{CPU_FTR_NODSISRALIGN, 0, 0, 1, 1, 1},
{0, MMU_FTR_CI_LARGE_PAGE, 0, 1, 2, 0},
{CPU_FTR_REAL_LE, PPC_FEATURE_TRUE_LE, 5, 0, 0},
+ /*
+ * If the kernel doesn't support TM (ie. CONFIG_PPC_TRANSACTIONAL_MEM=n),
+ * we don't want to turn on CPU_FTR_TM here, so we use CPU_FTR_TM_COMP
+ * which is 0 if the kernel doesn't support TM.
+ */
+ {CPU_FTR_TM_COMP, 0, 0, 22, 0, 0},
};
static void __init scan_features(unsigned long node, const unsigned char *ftrs,
if (!early_init_dt_verify(params))
panic("BUG: Failed verifying flat device tree, bad version?");
- /* Setup flat device-tree pointer */
- initial_boot_params = params;
-
#ifdef CONFIG_PPC_RTAS
/* Some machines might need RTAS info for debugging, grab it now. */
of_scan_flat_dt(early_init_dt_scan_rtas, NULL);
reserve_crashkernel();
early_reserve_mem();
- /*
- * Ensure that total memory size is page-aligned, because otherwise
- * mark_bootmem() gets upset.
- */
+ /* Ensure that total memory size is page-aligned. */
limit = ALIGN(memory_limit ?: memblock_phys_mem_size(), PAGE_SIZE);
memblock_enforce_memory_limit(limit);
*/
of_scan_flat_dt(early_init_dt_scan_cpus, NULL);
if (boot_cpuid < 0) {
- printk("Failed to indentify boot CPU !\n");
+ printk("Failed to identify boot CPU !\n");
BUG();
}
#define pr_fmt(fmt) "hv-24x7: " fmt
#include <linux/perf_event.h>
+#include <linux/rbtree.h>
#include <linux/module.h>
#include <linux/slab.h>
+#include <linux/vmalloc.h>
+
#include <asm/firmware.h>
#include <asm/hvcall.h>
#include <asm/io.h>
+#include <linux/byteorder/generic.h>
#include "hv-24x7.h"
#include "hv-24x7-catalog.h"
#include "hv-common.h"
+static const char *event_domain_suffix(unsigned domain)
+{
+ switch (domain) {
+#define DOMAIN(n, v, x, c) \
+ case HV_PERF_DOMAIN_##n: \
+ return "__" #n;
+#include "hv-24x7-domains.h"
+#undef DOMAIN
+ default:
+ WARN(1, "unknown domain %d\n", domain);
+ return "__UNKNOWN_DOMAIN_SUFFIX";
+ }
+}
+
+static bool domain_is_valid(unsigned domain)
+{
+ switch (domain) {
+#define DOMAIN(n, v, x, c) \
+ case HV_PERF_DOMAIN_##n: \
+ /* fall through */
+#include "hv-24x7-domains.h"
+#undef DOMAIN
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool is_physical_domain(unsigned domain)
+{
+ switch (domain) {
+#define DOMAIN(n, v, x, c) \
+ case HV_PERF_DOMAIN_##n: \
+ return c;
+#include "hv-24x7-domains.h"
+#undef DOMAIN
+ default:
+ return false;
+ }
+}
+
+static bool catalog_entry_domain_is_valid(unsigned domain)
+{
+ return is_physical_domain(domain);
+}
+
/*
* TODO: Merging events:
* - Think of the hcall as an interface to a 4d array of counters:
/*
* Example usage:
- * perf stat -e 'hv_24x7/domain=2,offset=8,starting_index=0,lpar=0xffffffff/'
+ * perf stat -e 'hv_24x7/domain=2,offset=8,vcpu=0,lpar=0xffffffff/'
*/
/* u3 0-6, one of HV_24X7_PERF_DOMAIN */
EVENT_DEFINE_RANGE_FORMAT(domain, config, 0, 3);
/* u16 */
-EVENT_DEFINE_RANGE_FORMAT(starting_index, config, 16, 31);
+EVENT_DEFINE_RANGE_FORMAT(core, config, 16, 31);
+EVENT_DEFINE_RANGE_FORMAT(vcpu, config, 16, 31);
/* u32, see "data_offset" */
EVENT_DEFINE_RANGE_FORMAT(offset, config, 32, 63);
/* u16 */
static struct attribute *format_attrs[] = {
&format_attr_domain.attr,
&format_attr_offset.attr,
- &format_attr_starting_index.attr,
+ &format_attr_core.attr,
+ &format_attr_vcpu.attr,
&format_attr_lpar.attr,
NULL,
};
.attrs = format_attrs,
};
+static struct attribute_group event_group = {
+ .name = "events",
+ /* .attrs is set in init */
+};
+
+static struct attribute_group event_desc_group = {
+ .name = "event_descs",
+ /* .attrs is set in init */
+};
+
+static struct attribute_group event_long_desc_group = {
+ .name = "event_long_descs",
+ /* .attrs is set in init */
+};
+
static struct kmem_cache *hv_page_cache;
+static char *event_name(struct hv_24x7_event_data *ev, int *len)
+{
+ *len = be16_to_cpu(ev->event_name_len) - 2;
+ return (char *)ev->remainder;
+}
+
+static char *event_desc(struct hv_24x7_event_data *ev, int *len)
+{
+ unsigned nl = be16_to_cpu(ev->event_name_len);
+ __be16 *desc_len = (__be16 *)(ev->remainder + nl - 2);
+ *len = be16_to_cpu(*desc_len) - 2;
+ return (char *)ev->remainder + nl;
+}
+
+static char *event_long_desc(struct hv_24x7_event_data *ev, int *len)
+{
+ unsigned nl = be16_to_cpu(ev->event_name_len);
+ __be16 *desc_len_ = (__be16 *)(ev->remainder + nl - 2);
+ unsigned desc_len = be16_to_cpu(*desc_len_);
+ __be16 *long_desc_len = (__be16 *)(ev->remainder + nl + desc_len - 2);
+ *len = be16_to_cpu(*long_desc_len) - 2;
+ return (char *)ev->remainder + nl + desc_len;
+}
+
+static bool event_fixed_portion_is_within(struct hv_24x7_event_data *ev,
+ void *end)
+{
+ void *start = ev;
+
+ return (start + offsetof(struct hv_24x7_event_data, remainder)) < end;
+}
+
+/*
+ * Things we don't check:
+ * - padding for desc, name, and long/detailed desc is required to be '\0'
+ * bytes.
+ *
+ * Return NULL if we pass end,
+ * Otherwise return the address of the byte just following the event.
+ */
+static void *event_end(struct hv_24x7_event_data *ev, void *end)
+{
+ void *start = ev;
+ __be16 *dl_, *ldl_;
+ unsigned dl, ldl;
+ unsigned nl = be16_to_cpu(ev->event_name_len);
+
+ if (nl < 2) {
+ pr_debug("%s: name length too short: %d", __func__, nl);
+ return NULL;
+ }
+
+ if (start + nl > end) {
+ pr_debug("%s: start=%p + nl=%u > end=%p",
+ __func__, start, nl, end);
+ return NULL;
+ }
+
+ dl_ = (__be16 *)(ev->remainder + nl - 2);
+ if (!IS_ALIGNED((uintptr_t)dl_, 2))
+ pr_warn("desc len not aligned %p", dl_);
+ dl = be16_to_cpu(*dl_);
+ if (dl < 2) {
+ pr_debug("%s: desc len too short: %d", __func__, dl);
+ return NULL;
+ }
+
+ if (start + nl + dl > end) {
+ pr_debug("%s: (start=%p + nl=%u + dl=%u)=%p > end=%p",
+ __func__, start, nl, dl, start + nl + dl, end);
+ return NULL;
+ }
+
+ ldl_ = (__be16 *)(ev->remainder + nl + dl - 2);
+ if (!IS_ALIGNED((uintptr_t)ldl_, 2))
+ pr_warn("long desc len not aligned %p", ldl_);
+ ldl = be16_to_cpu(*ldl_);
+ if (ldl < 2) {
+ pr_debug("%s: long desc len too short (ldl=%u)",
+ __func__, ldl);
+ return NULL;
+ }
+
+ if (start + nl + dl + ldl > end) {
+ pr_debug("%s: start=%p + nl=%u + dl=%u + ldl=%u > end=%p",
+ __func__, start, nl, dl, ldl, end);
+ return NULL;
+ }
+
+ return start + nl + dl + ldl;
+}
+
static unsigned long h_get_24x7_catalog_page_(unsigned long phys_4096,
unsigned long version,
unsigned long index)
version, index);
}
+static unsigned core_domains[] = {
+ HV_PERF_DOMAIN_PHYS_CORE,
+ HV_PERF_DOMAIN_VCPU_HOME_CORE,
+ HV_PERF_DOMAIN_VCPU_HOME_CHIP,
+ HV_PERF_DOMAIN_VCPU_HOME_NODE,
+ HV_PERF_DOMAIN_VCPU_REMOTE_NODE,
+};
+/* chip event data always yeilds a single event, core yeilds multiple */
+#define MAX_EVENTS_PER_EVENT_DATA ARRAY_SIZE(core_domains)
+
+static char *event_fmt(struct hv_24x7_event_data *event, unsigned domain)
+{
+ const char *sindex;
+ const char *lpar;
+
+ if (is_physical_domain(domain)) {
+ lpar = "0x0";
+ sindex = "core";
+ } else {
+ lpar = "?";
+ sindex = "vcpu";
+ }
+
+ return kasprintf(GFP_KERNEL,
+ "domain=0x%x,offset=0x%x,%s=?,lpar=%s",
+ domain,
+ be16_to_cpu(event->event_counter_offs) +
+ be16_to_cpu(event->event_group_record_offs),
+ sindex,
+ lpar);
+}
+
+/* Avoid trusting fw to NUL terminate strings */
+static char *memdup_to_str(char *maybe_str, int max_len, gfp_t gfp)
+{
+ return kasprintf(gfp, "%.*s", max_len, maybe_str);
+}
+
+static ssize_t device_show_string(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct dev_ext_attribute *d;
+
+ d = container_of(attr, struct dev_ext_attribute, attr);
+ return sprintf(buf, "%s\n", (char *)d->var);
+}
+
+static struct attribute *device_str_attr_create_(char *name, char *str)
+{
+ struct dev_ext_attribute *attr = kzalloc(sizeof(*attr), GFP_KERNEL);
+
+ if (!attr)
+ return NULL;
+
+ attr->var = str;
+ attr->attr.attr.name = name;
+ attr->attr.attr.mode = 0444;
+ attr->attr.show = device_show_string;
+ return &attr->attr.attr;
+}
+
+static struct attribute *device_str_attr_create(char *name, int name_max,
+ int name_nonce,
+ char *str, size_t str_max)
+{
+ char *n;
+ char *s = memdup_to_str(str, str_max, GFP_KERNEL);
+ struct attribute *a;
+
+ if (!s)
+ return NULL;
+
+ if (!name_nonce)
+ n = kasprintf(GFP_KERNEL, "%.*s", name_max, name);
+ else
+ n = kasprintf(GFP_KERNEL, "%.*s__%d", name_max, name,
+ name_nonce);
+ if (!n)
+ goto out_s;
+
+ a = device_str_attr_create_(n, s);
+ if (!a)
+ goto out_n;
+
+ return a;
+out_n:
+ kfree(n);
+out_s:
+ kfree(s);
+ return NULL;
+}
+
+static void device_str_attr_destroy(struct attribute *attr)
+{
+ struct dev_ext_attribute *d;
+
+ d = container_of(attr, struct dev_ext_attribute, attr.attr);
+ kfree(d->var);
+ kfree(d->attr.attr.name);
+ kfree(d);
+}
+
+static struct attribute *event_to_attr(unsigned ix,
+ struct hv_24x7_event_data *event,
+ unsigned domain,
+ int nonce)
+{
+ int event_name_len;
+ char *ev_name, *a_ev_name, *val;
+ const char *ev_suffix;
+ struct attribute *attr;
+
+ if (!domain_is_valid(domain)) {
+ pr_warn("catalog event %u has invalid domain %u\n",
+ ix, domain);
+ return NULL;
+ }
+
+ val = event_fmt(event, domain);
+ if (!val)
+ return NULL;
+
+ ev_suffix = event_domain_suffix(domain);
+ ev_name = event_name(event, &event_name_len);
+ if (!nonce)
+ a_ev_name = kasprintf(GFP_KERNEL, "%.*s%s",
+ (int)event_name_len, ev_name, ev_suffix);
+ else
+ a_ev_name = kasprintf(GFP_KERNEL, "%.*s%s__%d",
+ (int)event_name_len, ev_name, ev_suffix, nonce);
+
+
+ if (!a_ev_name)
+ goto out_val;
+
+ attr = device_str_attr_create_(a_ev_name, val);
+ if (!attr)
+ goto out_name;
+
+ return attr;
+out_name:
+ kfree(a_ev_name);
+out_val:
+ kfree(val);
+ return NULL;
+}
+
+static struct attribute *event_to_desc_attr(struct hv_24x7_event_data *event,
+ int nonce)
+{
+ int nl, dl;
+ char *name = event_name(event, &nl);
+ char *desc = event_desc(event, &dl);
+
+ /* If there isn't a description, don't create the sysfs file */
+ if (!dl)
+ return NULL;
+
+ return device_str_attr_create(name, nl, nonce, desc, dl);
+}
+
+static struct attribute *
+event_to_long_desc_attr(struct hv_24x7_event_data *event, int nonce)
+{
+ int nl, dl;
+ char *name = event_name(event, &nl);
+ char *desc = event_long_desc(event, &dl);
+
+ /* If there isn't a description, don't create the sysfs file */
+ if (!dl)
+ return NULL;
+
+ return device_str_attr_create(name, nl, nonce, desc, dl);
+}
+
+static ssize_t event_data_to_attrs(unsigned ix, struct attribute **attrs,
+ struct hv_24x7_event_data *event, int nonce)
+{
+ unsigned i;
+
+ switch (event->domain) {
+ case HV_PERF_DOMAIN_PHYS_CHIP:
+ *attrs = event_to_attr(ix, event, event->domain, nonce);
+ return 1;
+ case HV_PERF_DOMAIN_PHYS_CORE:
+ for (i = 0; i < ARRAY_SIZE(core_domains); i++) {
+ attrs[i] = event_to_attr(ix, event, core_domains[i],
+ nonce);
+ if (!attrs[i]) {
+ pr_warn("catalog event %u: individual attr %u "
+ "creation failure\n", ix, i);
+ for (; i; i--)
+ device_str_attr_destroy(attrs[i - 1]);
+ return -1;
+ }
+ }
+ return i;
+ default:
+ pr_warn("catalog event %u: domain %u is not allowed in the "
+ "catalog\n", ix, event->domain);
+ return -1;
+ }
+}
+
+static size_t event_to_attr_ct(struct hv_24x7_event_data *event)
+{
+ switch (event->domain) {
+ case HV_PERF_DOMAIN_PHYS_CHIP:
+ return 1;
+ case HV_PERF_DOMAIN_PHYS_CORE:
+ return ARRAY_SIZE(core_domains);
+ default:
+ return 0;
+ }
+}
+
+static unsigned long vmalloc_to_phys(void *v)
+{
+ struct page *p = vmalloc_to_page(v);
+
+ BUG_ON(!p);
+ return page_to_phys(p) + offset_in_page(v);
+}
+
+/* */
+struct event_uniq {
+ struct rb_node node;
+ const char *name;
+ int nl;
+ unsigned ct;
+ unsigned domain;
+};
+
+static int memord(const void *d1, size_t s1, const void *d2, size_t s2)
+{
+ if (s1 < s2)
+ return 1;
+ if (s2 > s1)
+ return -1;
+
+ return memcmp(d1, d2, s1);
+}
+
+static int ev_uniq_ord(const void *v1, size_t s1, unsigned d1, const void *v2,
+ size_t s2, unsigned d2)
+{
+ int r = memord(v1, s1, v2, s2);
+
+ if (r)
+ return r;
+ if (d1 > d2)
+ return 1;
+ if (d2 > d1)
+ return -1;
+ return 0;
+}
+
+static int event_uniq_add(struct rb_root *root, const char *name, int nl,
+ unsigned domain)
+{
+ struct rb_node **new = &(root->rb_node), *parent = NULL;
+ struct event_uniq *data;
+
+ /* Figure out where to put new node */
+ while (*new) {
+ struct event_uniq *it;
+ int result;
+
+ it = container_of(*new, struct event_uniq, node);
+ result = ev_uniq_ord(name, nl, domain, it->name, it->nl,
+ it->domain);
+
+ parent = *new;
+ if (result < 0)
+ new = &((*new)->rb_left);
+ else if (result > 0)
+ new = &((*new)->rb_right);
+ else {
+ it->ct++;
+ pr_info("found a duplicate event %.*s, ct=%u\n", nl,
+ name, it->ct);
+ return it->ct;
+ }
+ }
+
+ data = kmalloc(sizeof(*data), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ *data = (struct event_uniq) {
+ .name = name,
+ .nl = nl,
+ .ct = 0,
+ .domain = domain,
+ };
+
+ /* Add new node and rebalance tree. */
+ rb_link_node(&data->node, parent, new);
+ rb_insert_color(&data->node, root);
+
+ /* data->ct */
+ return 0;
+}
+
+static void event_uniq_destroy(struct rb_root *root)
+{
+ /*
+ * the strings we point to are in the giant block of memory filled by
+ * the catalog, and are freed separately.
+ */
+ struct event_uniq *pos, *n;
+
+ rbtree_postorder_for_each_entry_safe(pos, n, root, node)
+ kfree(pos);
+}
+
+
+/*
+ * ensure the event structure's sizes are self consistent and don't cause us to
+ * read outside of the event
+ *
+ * On success, return the event length in bytes.
+ * Otherwise, return -1 (and print as appropriate).
+ */
+static ssize_t catalog_event_len_validate(struct hv_24x7_event_data *event,
+ size_t event_idx,
+ size_t event_data_bytes,
+ size_t event_entry_count,
+ size_t offset, void *end)
+{
+ ssize_t ev_len;
+ void *ev_end, *calc_ev_end;
+
+ if (offset >= event_data_bytes)
+ return -1;
+
+ if (event_idx >= event_entry_count) {
+ pr_devel("catalog event data has %zu bytes of padding after last event\n",
+ event_data_bytes - offset);
+ return -1;
+ }
+
+ if (!event_fixed_portion_is_within(event, end)) {
+ pr_warn("event %zu fixed portion is not within range\n",
+ event_idx);
+ return -1;
+ }
+
+ ev_len = be16_to_cpu(event->length);
+
+ if (ev_len % 16)
+ pr_info("event %zu has length %zu not divisible by 16: event=%pK\n",
+ event_idx, ev_len, event);
+
+ ev_end = (__u8 *)event + ev_len;
+ if (ev_end > end) {
+ pr_warn("event %zu has .length=%zu, ends after buffer end: ev_end=%pK > end=%pK, offset=%zu\n",
+ event_idx, ev_len, ev_end, end,
+ offset);
+ return -1;
+ }
+
+ calc_ev_end = event_end(event, end);
+ if (!calc_ev_end) {
+ pr_warn("event %zu has a calculated length which exceeds buffer length %zu: event=%pK end=%pK, offset=%zu\n",
+ event_idx, event_data_bytes, event, end,
+ offset);
+ return -1;
+ }
+
+ if (calc_ev_end > ev_end) {
+ pr_warn("event %zu exceeds it's own length: event=%pK, end=%pK, offset=%zu, calc_ev_end=%pK\n",
+ event_idx, event, ev_end, offset, calc_ev_end);
+ return -1;
+ }
+
+ return ev_len;
+}
+
+#define MAX_4K (SIZE_MAX / 4096)
+
+static void create_events_from_catalog(struct attribute ***events_,
+ struct attribute ***event_descs_,
+ struct attribute ***event_long_descs_)
+{
+ unsigned long hret;
+ size_t catalog_len, catalog_page_len, event_entry_count,
+ event_data_len, event_data_offs,
+ event_data_bytes, junk_events, event_idx, event_attr_ct, i,
+ attr_max, event_idx_last, desc_ct, long_desc_ct;
+ ssize_t ct, ev_len;
+ uint32_t catalog_version_num;
+ struct attribute **events, **event_descs, **event_long_descs;
+ struct hv_24x7_catalog_page_0 *page_0 =
+ kmem_cache_alloc(hv_page_cache, GFP_KERNEL);
+ void *page = page_0;
+ void *event_data, *end;
+ struct hv_24x7_event_data *event;
+ struct rb_root ev_uniq = RB_ROOT;
+
+ if (!page)
+ goto e_out;
+
+ hret = h_get_24x7_catalog_page(page, 0, 0);
+ if (hret)
+ goto e_free;
+
+ catalog_version_num = be64_to_cpu(page_0->version);
+ catalog_page_len = be32_to_cpu(page_0->length);
+
+ if (MAX_4K < catalog_page_len) {
+ pr_err("invalid page count: %zu\n", catalog_page_len);
+ goto e_free;
+ }
+
+ catalog_len = catalog_page_len * 4096;
+
+ event_entry_count = be16_to_cpu(page_0->event_entry_count);
+ event_data_offs = be16_to_cpu(page_0->event_data_offs);
+ event_data_len = be16_to_cpu(page_0->event_data_len);
+
+ pr_devel("cv %zu cl %zu eec %zu edo %zu edl %zu\n",
+ (size_t)catalog_version_num, catalog_len,
+ event_entry_count, event_data_offs, event_data_len);
+
+ if ((MAX_4K < event_data_len)
+ || (MAX_4K < event_data_offs)
+ || (MAX_4K - event_data_offs < event_data_len)) {
+ pr_err("invalid event data offs %zu and/or len %zu\n",
+ event_data_offs, event_data_len);
+ goto e_free;
+ }
+
+ if ((event_data_offs + event_data_len) > catalog_page_len) {
+ pr_err("event data %zu-%zu does not fit inside catalog 0-%zu\n",
+ event_data_offs,
+ event_data_offs + event_data_len,
+ catalog_page_len);
+ goto e_free;
+ }
+
+ if (SIZE_MAX / MAX_EVENTS_PER_EVENT_DATA - 1 < event_entry_count) {
+ pr_err("event_entry_count %zu is invalid\n",
+ event_entry_count);
+ goto e_free;
+ }
+
+ event_data_bytes = event_data_len * 4096;
+
+ /*
+ * event data can span several pages, events can cross between these
+ * pages. Use vmalloc to make this easier.
+ */
+ event_data = vmalloc(event_data_bytes);
+ if (!event_data) {
+ pr_err("could not allocate event data\n");
+ goto e_free;
+ }
+
+ end = event_data + event_data_bytes;
+
+ /*
+ * using vmalloc_to_phys() like this only works if PAGE_SIZE is
+ * divisible by 4096
+ */
+ BUILD_BUG_ON(PAGE_SIZE % 4096);
+
+ for (i = 0; i < event_data_len; i++) {
+ hret = h_get_24x7_catalog_page_(
+ vmalloc_to_phys(event_data + i * 4096),
+ catalog_version_num,
+ i + event_data_offs);
+ if (hret) {
+ pr_err("failed to get event data in page %zu\n",
+ i + event_data_offs);
+ goto e_event_data;
+ }
+ }
+
+ /*
+ * scan the catalog to determine the number of attributes we need, and
+ * verify it at the same time.
+ */
+ for (junk_events = 0, event = event_data, event_idx = 0, attr_max = 0;
+ ;
+ event_idx++, event = (void *)event + ev_len) {
+ size_t offset = (void *)event - (void *)event_data;
+ char *name;
+ int nl;
+
+ ev_len = catalog_event_len_validate(event, event_idx,
+ event_data_bytes,
+ event_entry_count,
+ offset, end);
+ if (ev_len < 0)
+ break;
+
+ name = event_name(event, &nl);
+
+ if (event->event_group_record_len == 0) {
+ pr_devel("invalid event %zu (%.*s): group_record_len == 0, skipping\n",
+ event_idx, nl, name);
+ junk_events++;
+ continue;
+ }
+
+ if (!catalog_entry_domain_is_valid(event->domain)) {
+ pr_info("event %zu (%.*s) has invalid domain %d\n",
+ event_idx, nl, name, event->domain);
+ junk_events++;
+ continue;
+ }
+
+ attr_max += event_to_attr_ct(event);
+ }
+
+ event_idx_last = event_idx;
+ if (event_idx_last != event_entry_count)
+ pr_warn("event buffer ended before listed # of events were parsed (got %zu, wanted %zu, junk %zu)\n",
+ event_idx_last, event_entry_count, junk_events);
+
+ events = kmalloc_array(attr_max + 1, sizeof(*events), GFP_KERNEL);
+ if (!events)
+ goto e_event_data;
+
+ event_descs = kmalloc_array(event_idx + 1, sizeof(*event_descs),
+ GFP_KERNEL);
+ if (!event_descs)
+ goto e_event_attrs;
+
+ event_long_descs = kmalloc_array(event_idx + 1,
+ sizeof(*event_long_descs), GFP_KERNEL);
+ if (!event_long_descs)
+ goto e_event_descs;
+
+ /* Iterate over the catalog filling in the attribute vector */
+ for (junk_events = 0, event_attr_ct = 0, desc_ct = 0, long_desc_ct = 0,
+ event = event_data, event_idx = 0;
+ event_idx < event_idx_last;
+ event_idx++, ev_len = be16_to_cpu(event->length),
+ event = (void *)event + ev_len) {
+ char *name;
+ int nl;
+ int nonce;
+ /*
+ * these are the only "bad" events that are intermixed and that
+ * we can ignore without issue. make sure to skip them here
+ */
+ if (event->event_group_record_len == 0)
+ continue;
+ if (!catalog_entry_domain_is_valid(event->domain))
+ continue;
+
+ name = event_name(event, &nl);
+ nonce = event_uniq_add(&ev_uniq, name, nl, event->domain);
+ ct = event_data_to_attrs(event_idx, events + event_attr_ct,
+ event, nonce);
+ if (ct <= 0) {
+ pr_warn("event %zu (%.*s) creation failure, skipping\n",
+ event_idx, nl, name);
+ junk_events++;
+ } else {
+ event_attr_ct += ct;
+ event_descs[desc_ct] = event_to_desc_attr(event, nonce);
+ if (event_descs[desc_ct])
+ desc_ct++;
+ event_long_descs[long_desc_ct] =
+ event_to_long_desc_attr(event, nonce);
+ if (event_long_descs[long_desc_ct])
+ long_desc_ct++;
+ }
+ }
+
+ pr_info("read %zu catalog entries, created %zu event attrs (%zu failures), %zu descs\n",
+ event_idx, event_attr_ct, junk_events, desc_ct);
+
+ events[event_attr_ct] = NULL;
+ event_descs[desc_ct] = NULL;
+ event_long_descs[long_desc_ct] = NULL;
+
+ event_uniq_destroy(&ev_uniq);
+ vfree(event_data);
+ kmem_cache_free(hv_page_cache, page);
+
+ *events_ = events;
+ *event_descs_ = event_descs;
+ *event_long_descs_ = event_long_descs;
+ return;
+
+e_event_descs:
+ kfree(event_descs);
+e_event_attrs:
+ kfree(events);
+e_event_data:
+ vfree(event_data);
+e_free:
+ kmem_cache_free(hv_page_cache, page);
+e_out:
+ *events_ = NULL;
+ *event_descs_ = NULL;
+ *event_long_descs_ = NULL;
+}
+
static ssize_t catalog_read(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr, char *buf,
loff_t offset, size_t count)
} \
ret = sprintf(buf, _fmt, _expr); \
e_free: \
- kfree(page); \
+ kmem_cache_free(hv_page_cache, page); \
return ret; \
} \
static DEVICE_ATTR_RO(_name)
static const struct attribute_group *attr_groups[] = {
&format_group,
+ &event_group,
+ &event_desc_group,
+ &event_long_desc_group,
&if_group,
NULL,
};
-static bool is_physical_domain(int domain)
-{
- return domain == HV_24X7_PERF_DOMAIN_PHYSICAL_CHIP ||
- domain == HV_24X7_PERF_DOMAIN_PHYSICAL_CORE;
-}
+DEFINE_PER_CPU(char, hv_24x7_reqb[4096]) __aligned(4096);
+DEFINE_PER_CPU(char, hv_24x7_resb[4096]) __aligned(4096);
static unsigned long single_24x7_request(u8 domain, u32 offset, u16 ix,
u16 lpar, u64 *res,
bool success_expected)
{
- unsigned long ret = -ENOMEM;
+ unsigned long ret;
/*
* request_buffer and result_buffer are not required to be 4k aligned,
BUILD_BUG_ON(sizeof(*request_buffer) > 4096);
BUILD_BUG_ON(sizeof(*result_buffer) > 4096);
- request_buffer = kmem_cache_zalloc(hv_page_cache, GFP_USER);
- if (!request_buffer)
- goto out;
+ request_buffer = (void *)get_cpu_var(hv_24x7_reqb);
+ result_buffer = (void *)get_cpu_var(hv_24x7_resb);
- result_buffer = kmem_cache_zalloc(hv_page_cache, GFP_USER);
- if (!result_buffer)
- goto out_free_request_buffer;
+ memset(request_buffer, 0, 4096);
+ memset(result_buffer, 0, 4096);
*request_buffer = (struct reqb) {
.buf = {
domain, offset, ix, lpar, ret, ret,
result_buffer->buf.detailed_rc,
result_buffer->buf.failing_request_ix);
- goto out_free_result_buffer;
+ goto out;
}
*res = be64_to_cpu(result_buffer->result);
-out_free_result_buffer:
- kfree(result_buffer);
-out_free_request_buffer:
- kfree(request_buffer);
out:
return ret;
}
static unsigned long event_24x7_request(struct perf_event *event, u64 *res,
bool success_expected)
{
+ u16 idx;
+ unsigned domain = event_get_domain(event);
+
+ if (is_physical_domain(domain))
+ idx = event_get_core(event);
+ else
+ idx = event_get_vcpu(event);
+
return single_24x7_request(event_get_domain(event),
event_get_offset(event),
- event_get_starting_index(event),
+ idx,
event_get_lpar(event),
res,
success_expected);
return -EIO;
}
- /* PHYSICAL domains & other lpars require extra capabilities */
+ /* Physical domains & other lpars require extra capabilities */
if (!caps.collect_privileged && (is_physical_domain(domain) ||
(event_get_lpar(event) != event_get_lpar_max()))) {
- pr_devel("hv permisions disallow: is_physical_domain:%d, lpar=0x%llx\n",
+ pr_devel("hv permissions disallow: is_physical_domain:%d, lpar=0x%llx\n",
is_physical_domain(domain),
event_get_lpar(event));
return -EACCES;
/* sampling not supported */
h_24x7_pmu.capabilities |= PERF_PMU_CAP_NO_INTERRUPT;
+ create_events_from_catalog(&event_group.attrs,
+ &event_desc_group.attrs,
+ &event_long_desc_group.attrs);
+
r = perf_pmu_register(&h_24x7_pmu, h_24x7_pmu.name, -1);
if (r)
return r;
/*
- * Montage M88DS3103 demodulator driver
+ * Montage M88DS3103/M88RS6000 demodulator driver
*
* Copyright (C) 2013 Antti Palosaari <crope@iki.fi>
*
dev_dbg(&priv->i2c->dev, "%s: tab_len=%d\n", __func__, tab_len);
- if (tab_len > 83) {
+ if (tab_len > 86) {
ret = -EINVAL;
goto err;
}
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int ret, len;
const struct m88ds3103_reg_val *init;
- u8 u8tmp, u8tmp1, u8tmp2;
- u8 buf[2];
- u16 u16tmp, divide_ratio;
+ u8 u8tmp, u8tmp1 = 0, u8tmp2 = 0; /* silence compiler warning */
+ u8 buf[3];
+ u16 u16tmp, divide_ratio = 0;
u32 tuner_frequency, target_mclk;
s32 s32tmp;
goto err;
}
+ /* reset */
+ ret = m88ds3103_wr_reg(priv, 0x07, 0x80);
+ if (ret)
+ goto err;
+
+ ret = m88ds3103_wr_reg(priv, 0x07, 0x00);
+ if (ret)
+ goto err;
+
+ /* Disable demod clock path */
+ if (priv->chip_id == M88RS6000_CHIP_ID) {
+ ret = m88ds3103_wr_reg(priv, 0x06, 0xe0);
+ if (ret)
+ goto err;
+ }
+
/* program tuner */
if (fe->ops.tuner_ops.set_params) {
ret = fe->ops.tuner_ops.set_params(fe);
tuner_frequency = c->frequency;
}
- /* reset */
- ret = m88ds3103_wr_reg(priv, 0x07, 0x80);
- if (ret)
- goto err;
-
- ret = m88ds3103_wr_reg(priv, 0x07, 0x00);
- if (ret)
- goto err;
-
- ret = m88ds3103_wr_reg(priv, 0xb2, 0x01);
- if (ret)
- goto err;
+ /* select M88RS6000 demod main mclk and ts mclk from tuner die. */
+ if (priv->chip_id == M88RS6000_CHIP_ID) {
+ if (c->symbol_rate > 45010000)
+ priv->mclk_khz = 110250;
+ else
+ priv->mclk_khz = 96000;
- ret = m88ds3103_wr_reg(priv, 0x00, 0x01);
- if (ret)
- goto err;
+ if (c->delivery_system == SYS_DVBS)
+ target_mclk = 96000;
+ else
+ target_mclk = 144000;
- switch (c->delivery_system) {
- case SYS_DVBS:
- len = ARRAY_SIZE(m88ds3103_dvbs_init_reg_vals);
- init = m88ds3103_dvbs_init_reg_vals;
- target_mclk = 96000;
- break;
- case SYS_DVBS2:
- len = ARRAY_SIZE(m88ds3103_dvbs2_init_reg_vals);
- init = m88ds3103_dvbs2_init_reg_vals;
+ /* Enable demod clock path */
+ ret = m88ds3103_wr_reg(priv, 0x06, 0x00);
+ if (ret)
+ goto err;
+ usleep_range(10000, 20000);
+ } else {
+ /* set M88DS3103 mclk and ts mclk. */
+ priv->mclk_khz = 96000;
switch (priv->cfg->ts_mode) {
case M88DS3103_TS_SERIAL:
case M88DS3103_TS_SERIAL_D7:
- if (c->symbol_rate < 18000000)
- target_mclk = 96000;
- else
- target_mclk = 144000;
+ target_mclk = priv->cfg->ts_clk;
break;
case M88DS3103_TS_PARALLEL:
case M88DS3103_TS_CI:
- if (c->symbol_rate < 18000000)
+ if (c->delivery_system == SYS_DVBS)
target_mclk = 96000;
- else if (c->symbol_rate < 28000000)
- target_mclk = 144000;
- else
- target_mclk = 192000;
+ else {
+ if (c->symbol_rate < 18000000)
+ target_mclk = 96000;
+ else if (c->symbol_rate < 28000000)
+ target_mclk = 144000;
+ else
+ target_mclk = 192000;
+ }
break;
default:
dev_dbg(&priv->i2c->dev, "%s: invalid ts_mode\n",
ret = -EINVAL;
goto err;
}
+
+ switch (target_mclk) {
+ case 96000:
+ u8tmp1 = 0x02; /* 0b10 */
+ u8tmp2 = 0x01; /* 0b01 */
+ break;
+ case 144000:
+ u8tmp1 = 0x00; /* 0b00 */
+ u8tmp2 = 0x01; /* 0b01 */
+ break;
+ case 192000:
+ u8tmp1 = 0x03; /* 0b11 */
+ u8tmp2 = 0x00; /* 0b00 */
+ break;
+ }
+ ret = m88ds3103_wr_reg_mask(priv, 0x22, u8tmp1 << 6, 0xc0);
+ if (ret)
+ goto err;
+ ret = m88ds3103_wr_reg_mask(priv, 0x24, u8tmp2 << 6, 0xc0);
+ if (ret)
+ goto err;
+ }
+
+ ret = m88ds3103_wr_reg(priv, 0xb2, 0x01);
+ if (ret)
+ goto err;
+
+ ret = m88ds3103_wr_reg(priv, 0x00, 0x01);
+ if (ret)
+ goto err;
+
+ switch (c->delivery_system) {
+ case SYS_DVBS:
+ if (priv->chip_id == M88RS6000_CHIP_ID) {
+ len = ARRAY_SIZE(m88rs6000_dvbs_init_reg_vals);
+ init = m88rs6000_dvbs_init_reg_vals;
+ } else {
+ len = ARRAY_SIZE(m88ds3103_dvbs_init_reg_vals);
+ init = m88ds3103_dvbs_init_reg_vals;
+ }
+ break;
+ case SYS_DVBS2:
+ if (priv->chip_id == M88RS6000_CHIP_ID) {
+ len = ARRAY_SIZE(m88rs6000_dvbs2_init_reg_vals);
+ init = m88rs6000_dvbs2_init_reg_vals;
+ } else {
+ len = ARRAY_SIZE(m88ds3103_dvbs2_init_reg_vals);
+ init = m88ds3103_dvbs2_init_reg_vals;
+ }
break;
default:
dev_dbg(&priv->i2c->dev, "%s: invalid delivery_system\n",
goto err;
}
- u8tmp1 = 0; /* silence compiler warning */
+ if (priv->chip_id == M88RS6000_CHIP_ID) {
+ if ((c->delivery_system == SYS_DVBS2)
+ && ((c->symbol_rate / 1000) <= 5000)) {
+ ret = m88ds3103_wr_reg(priv, 0xc0, 0x04);
+ if (ret)
+ goto err;
+ buf[0] = 0x09;
+ buf[1] = 0x22;
+ buf[2] = 0x88;
+ ret = m88ds3103_wr_regs(priv, 0x8a, buf, 3);
+ if (ret)
+ goto err;
+ }
+ ret = m88ds3103_wr_reg_mask(priv, 0x9d, 0x08, 0x08);
+ if (ret)
+ goto err;
+ ret = m88ds3103_wr_reg(priv, 0xf1, 0x01);
+ if (ret)
+ goto err;
+ ret = m88ds3103_wr_reg_mask(priv, 0x30, 0x80, 0x80);
+ if (ret)
+ goto err;
+ }
+
switch (priv->cfg->ts_mode) {
case M88DS3103_TS_SERIAL:
u8tmp1 = 0x00;
ret = m88ds3103_wr_reg_mask(priv, 0x29, u8tmp1, 0x20);
if (ret)
goto err;
- }
-
- if (priv->cfg->ts_clk) {
- divide_ratio = DIV_ROUND_UP(target_mclk, priv->cfg->ts_clk);
- u8tmp1 = divide_ratio / 2;
- u8tmp2 = DIV_ROUND_UP(divide_ratio, 2);
- } else {
- divide_ratio = 0;
u8tmp1 = 0;
u8tmp2 = 0;
+ break;
+ default:
+ if (priv->cfg->ts_clk) {
+ divide_ratio = DIV_ROUND_UP(target_mclk, priv->cfg->ts_clk);
+ u8tmp1 = divide_ratio / 2;
+ u8tmp2 = DIV_ROUND_UP(divide_ratio, 2);
+ }
}
dev_dbg(&priv->i2c->dev,
if (ret)
goto err;
- switch (target_mclk) {
- case 96000:
- u8tmp1 = 0x02; /* 0b10 */
- u8tmp2 = 0x01; /* 0b01 */
- break;
- case 144000:
- u8tmp1 = 0x00; /* 0b00 */
- u8tmp2 = 0x01; /* 0b01 */
- break;
- case 192000:
- u8tmp1 = 0x03; /* 0b11 */
- u8tmp2 = 0x00; /* 0b00 */
- break;
- }
-
- ret = m88ds3103_wr_reg_mask(priv, 0x22, u8tmp1 << 6, 0xc0);
- if (ret)
- goto err;
-
- ret = m88ds3103_wr_reg_mask(priv, 0x24, u8tmp2 << 6, 0xc0);
- if (ret)
- goto err;
-
if (c->symbol_rate <= 3000000)
u8tmp = 0x20;
else if (c->symbol_rate <= 10000000)
if (ret)
goto err;
- u16tmp = DIV_ROUND_CLOSEST((c->symbol_rate / 1000) << 15, M88DS3103_MCLK_KHZ / 2);
+ u16tmp = DIV_ROUND_CLOSEST((c->symbol_rate / 1000) << 15, priv->mclk_khz / 2);
buf[0] = (u16tmp >> 0) & 0xff;
buf[1] = (u16tmp >> 8) & 0xff;
ret = m88ds3103_wr_regs(priv, 0x61, buf, 2);
(tuner_frequency - c->frequency));
s32tmp = 0x10000 * (tuner_frequency - c->frequency);
- s32tmp = DIV_ROUND_CLOSEST(s32tmp, M88DS3103_MCLK_KHZ);
+ s32tmp = DIV_ROUND_CLOSEST(s32tmp, priv->mclk_khz);
if (s32tmp < 0)
s32tmp += 0x10000;
struct m88ds3103_priv *priv = fe->demodulator_priv;
int ret, len, remaining;
const struct firmware *fw = NULL;
- u8 *fw_file = M88DS3103_FIRMWARE;
+ u8 *fw_file;
u8 u8tmp;
dev_dbg(&priv->i2c->dev, "%s:\n", __func__);
if (ret)
goto err;
- /* reset */
- ret = m88ds3103_wr_reg(priv, 0x07, 0x60);
- if (ret)
- goto err;
-
- ret = m88ds3103_wr_reg(priv, 0x07, 0x00);
- if (ret)
- goto err;
-
/* firmware status */
ret = m88ds3103_rd_reg(priv, 0xb9, &u8tmp);
if (ret)
if (u8tmp)
goto skip_fw_download;
+ /* global reset, global diseqc reset, golbal fec reset */
+ ret = m88ds3103_wr_reg(priv, 0x07, 0xe0);
+ if (ret)
+ goto err;
+
+ ret = m88ds3103_wr_reg(priv, 0x07, 0x00);
+ if (ret)
+ goto err;
+
/* cold state - try to download firmware */
dev_info(&priv->i2c->dev, "%s: found a '%s' in cold state\n",
KBUILD_MODNAME, m88ds3103_ops.info.name);
+ if (priv->chip_id == M88RS6000_CHIP_ID)
+ fw_file = M88RS6000_FIRMWARE;
+ else
+ fw_file = M88DS3103_FIRMWARE;
/* request the firmware, this will block and timeout */
ret = request_firmware(&fw, fw_file, priv->i2c->dev.parent);
if (ret) {
- dev_err(&priv->i2c->dev, "%s: firmare file '%s' not found\n",
+ dev_err(&priv->i2c->dev, "%s: firmware file '%s' not found\n",
KBUILD_MODNAME, fw_file);
goto err;
}
ret = m88ds3103_wr_reg(priv, 0xb2, 0x01);
if (ret)
- goto err;
+ goto error_fw_release;
for (remaining = fw->size; remaining > 0;
remaining -= (priv->cfg->i2c_wr_max - 1)) {
dev_err(&priv->i2c->dev,
"%s: firmware download failed=%d\n",
KBUILD_MODNAME, ret);
- goto err;
+ goto error_fw_release;
}
}
ret = m88ds3103_wr_reg(priv, 0xb2, 0x00);
if (ret)
- goto err;
+ goto error_fw_release;
release_firmware(fw);
fw = NULL;
priv->warm = true;
return 0;
-err:
- if (fw)
- release_firmware(fw);
+error_fw_release:
+ release_firmware(fw);
+err:
dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
{
struct m88ds3103_priv *priv = fe->demodulator_priv;
int ret;
+ u8 u8tmp;
dev_dbg(&priv->i2c->dev, "%s:\n", __func__);
priv->delivery_system = SYS_UNDEFINED;
/* TS Hi-Z */
- ret = m88ds3103_wr_reg_mask(priv, 0x27, 0x00, 0x01);
+ if (priv->chip_id == M88RS6000_CHIP_ID)
+ u8tmp = 0x29;
+ else
+ u8tmp = 0x27;
+ ret = m88ds3103_wr_reg_mask(priv, u8tmp, 0x00, 0x01);
if (ret)
goto err;
goto err;
c->symbol_rate = 1ull * ((buf[1] << 8) | (buf[0] << 0)) *
- M88DS3103_MCLK_KHZ * 1000 / 0x10000;
+ priv->mclk_khz * 1000 / 0x10000;
return 0;
err:
priv->i2c = i2c;
mutex_init(&priv->i2c_mutex);
- ret = m88ds3103_rd_reg(priv, 0x01, &chip_id);
+ /* 0x00: chip id[6:0], 0x01: chip ver[7:0], 0x02: chip ver[15:8] */
+ ret = m88ds3103_rd_reg(priv, 0x00, &chip_id);
if (ret)
goto err;
- dev_dbg(&priv->i2c->dev, "%s: chip_id=%02x\n", __func__, chip_id);
+ chip_id >>= 1;
+ dev_info(&priv->i2c->dev, "%s: chip_id=%02x\n", __func__, chip_id);
switch (chip_id) {
- case 0xd0:
+ case M88RS6000_CHIP_ID:
+ case M88DS3103_CHIP_ID:
break;
default:
goto err;
}
+ priv->chip_id = chip_id;
switch (priv->cfg->clock_out) {
case M88DS3103_CLOCK_OUT_DISABLED:
goto err;
}
+ /* 0x29 register is defined differently for m88rs6000. */
+ /* set internal tuner address to 0x21 */
+ if (chip_id == M88RS6000_CHIP_ID)
+ u8tmp = 0x00;
+
ret = m88ds3103_wr_reg(priv, 0x29, u8tmp);
if (ret)
goto err;
/* create dvb_frontend */
memcpy(&priv->fe.ops, &m88ds3103_ops, sizeof(struct dvb_frontend_ops));
+ if (priv->chip_id == M88RS6000_CHIP_ID)
+ strncpy(priv->fe.ops.info.name,
+ "Montage M88RS6000", sizeof(priv->fe.ops.info.name));
priv->fe.demodulator_priv = priv;
return &priv->fe;
MODULE_DESCRIPTION("Montage M88DS3103 DVB-S/S2 demodulator driver");
MODULE_LICENSE("GPL");
MODULE_FIRMWARE(M88DS3103_FIRMWARE);
+MODULE_FIRMWARE(M88RS6000_FIRMWARE);
#define SI2168_B40_FIRMWARE_FALLBACK "dvb-demod-si2168-02.fw"
/* state struct */
-struct si2168 {
- struct i2c_client *client;
+struct si2168_dev {
struct i2c_adapter *adapter;
struct mutex i2c_mutex;
struct dvb_frontend fe;
bool active;
bool fw_loaded;
u8 ts_mode;
+ bool ts_clock_inv;
};
- /* firmare command struct */
+ /* firmware command struct */
#define SI2168_ARGLEN 30
struct si2168_cmd {
u8 args[SI2168_ARGLEN];
*/
#include <linux/err.h>
+#include <linux/of.h>
#include <linux/slab.h>
#include <linux/stat.h>
#include <linux/pm_runtime.h>
return 0;
}
-/*
- * Read extended CSD.
- */
-static int mmc_get_ext_csd(struct mmc_card *card, u8 **new_ext_csd)
-{
- int err;
- u8 *ext_csd;
-
- BUG_ON(!card);
- BUG_ON(!new_ext_csd);
-
- *new_ext_csd = NULL;
-
- if (card->csd.mmca_vsn < CSD_SPEC_VER_4)
- return 0;
-
- /*
- * As the ext_csd is so large and mostly unused, we don't store the
- * raw block in mmc_card.
- */
- ext_csd = kmalloc(512, GFP_KERNEL);
- if (!ext_csd) {
- pr_err("%s: could not allocate a buffer to "
- "receive the ext_csd.\n", mmc_hostname(card->host));
- return -ENOMEM;
- }
-
- err = mmc_send_ext_csd(card, ext_csd);
- if (err) {
- kfree(ext_csd);
- *new_ext_csd = NULL;
-
- /* If the host or the card can't do the switch,
- * fail more gracefully. */
- if ((err != -EINVAL)
- && (err != -ENOSYS)
- && (err != -EFAULT))
- return err;
-
- /*
- * High capacity cards should have this "magic" size
- * stored in their CSD.
- */
- if (card->csd.capacity == (4096 * 512)) {
- pr_err("%s: unable to read EXT_CSD "
- "on a possible high capacity card. "
- "Card will be ignored.\n",
- mmc_hostname(card->host));
- } else {
- pr_warn("%s: unable to read EXT_CSD, performance might suffer\n",
- mmc_hostname(card->host));
- err = 0;
- }
- } else
- *new_ext_csd = ext_csd;
-
- return err;
-}
-
static void mmc_select_card_type(struct mmc_card *card)
{
struct mmc_host *host = card->host;
/*
* Decode extended CSD.
*/
-static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd)
+static int mmc_decode_ext_csd(struct mmc_card *card, u8 *ext_csd)
{
int err = 0, idx;
unsigned int part_size;
-
- BUG_ON(!card);
-
- if (!ext_csd)
- return 0;
+ struct device_node *np;
+ bool broken_hpi = false;
/* Version is coded in the CSD_STRUCTURE byte in the EXT_CSD register */
card->ext_csd.raw_ext_csd_structure = ext_csd[EXT_CSD_STRUCTURE];
}
}
+ np = mmc_of_find_child_device(card->host, 0);
+ if (np && of_device_is_compatible(np, "mmc-card"))
+ broken_hpi = of_property_read_bool(np, "broken-hpi");
+ of_node_put(np);
+
/*
* The EXT_CSD format is meant to be forward compatible. As long
* as CSD_STRUCTURE does not change, all values for EXT_CSD_REV
/* check whether the eMMC card supports BKOPS */
if (ext_csd[EXT_CSD_BKOPS_SUPPORT] & 0x1) {
card->ext_csd.bkops = 1;
- card->ext_csd.bkops_en = ext_csd[EXT_CSD_BKOPS_EN];
+ card->ext_csd.man_bkops_en =
+ (ext_csd[EXT_CSD_BKOPS_EN] &
+ EXT_CSD_MANUAL_BKOPS_MASK);
card->ext_csd.raw_bkops_status =
ext_csd[EXT_CSD_BKOPS_STATUS];
- if (!card->ext_csd.bkops_en)
- pr_info("%s: BKOPS_EN bit is not set\n",
+ if (!card->ext_csd.man_bkops_en)
+ pr_info("%s: MAN_BKOPS_EN bit is not set\n",
mmc_hostname(card->host));
}
/* check whether the eMMC card supports HPI */
- if (ext_csd[EXT_CSD_HPI_FEATURES] & 0x1) {
+ if (!broken_hpi && (ext_csd[EXT_CSD_HPI_FEATURES] & 0x1)) {
card->ext_csd.hpi = 1;
if (ext_csd[EXT_CSD_HPI_FEATURES] & 0x2)
card->ext_csd.hpi_cmd = MMC_STOP_TRANSMISSION;
card->ext_csd.data_sector_size = 512;
}
+ /* eMMC v5 or later */
+ if (card->ext_csd.rev >= 7) {
+ memcpy(card->ext_csd.fwrev, &ext_csd[EXT_CSD_FIRMWARE_VERSION],
+ MMC_FIRMWARE_LEN);
+ card->ext_csd.ffu_capable =
+ (ext_csd[EXT_CSD_SUPPORTED_MODE] & 0x1) &&
+ !(ext_csd[EXT_CSD_FW_CONFIG] & 0x1);
+ }
out:
return err;
}
-static inline void mmc_free_ext_csd(u8 *ext_csd)
+static int mmc_read_ext_csd(struct mmc_card *card)
{
+ u8 *ext_csd;
+ int err;
+
+ if (!mmc_can_ext_csd(card))
+ return 0;
+
+ err = mmc_get_ext_csd(card, &ext_csd);
+ if (err) {
+ /* If the host or the card can't do the switch,
+ * fail more gracefully. */
+ if ((err != -EINVAL)
+ && (err != -ENOSYS)
+ && (err != -EFAULT))
+ return err;
+
+ /*
+ * High capacity cards should have this "magic" size
+ * stored in their CSD.
+ */
+ if (card->csd.capacity == (4096 * 512)) {
+ pr_err("%s: unable to read EXT_CSD on a possible high capacity card. Card will be ignored.\n",
+ mmc_hostname(card->host));
+ } else {
+ pr_warn("%s: unable to read EXT_CSD, performance might suffer\n",
+ mmc_hostname(card->host));
+ err = 0;
+ }
+
+ return err;
+ }
+
+ err = mmc_decode_ext_csd(card, ext_csd);
kfree(ext_csd);
+ return err;
}
-
static int mmc_compare_ext_csds(struct mmc_card *card, unsigned bus_width)
{
u8 *bw_ext_csd;
return 0;
err = mmc_get_ext_csd(card, &bw_ext_csd);
-
- if (err || bw_ext_csd == NULL) {
- err = -EINVAL;
- goto out;
- }
+ if (err)
+ return err;
/* only compare read only fields */
err = !((card->ext_csd.raw_partition_support ==
if (err)
err = -EINVAL;
-out:
- mmc_free_ext_csd(bw_ext_csd);
+ kfree(bw_ext_csd);
return err;
}
MMC_DEV_ATTR(date, "%02d/%04d\n", card->cid.month, card->cid.year);
MMC_DEV_ATTR(erase_size, "%u\n", card->erase_size << 9);
MMC_DEV_ATTR(preferred_erase_size, "%u\n", card->pref_erase << 9);
-MMC_DEV_ATTR(fwrev, "0x%x\n", card->cid.fwrev);
+MMC_DEV_ATTR(ffu_capable, "%d\n", card->ext_csd.ffu_capable);
MMC_DEV_ATTR(hwrev, "0x%x\n", card->cid.hwrev);
MMC_DEV_ATTR(manfid, "0x%06x\n", card->cid.manfid);
MMC_DEV_ATTR(name, "%s\n", card->cid.prod_name);
MMC_DEV_ATTR(raw_rpmb_size_mult, "%#x\n", card->ext_csd.raw_rpmb_size_mult);
MMC_DEV_ATTR(rel_sectors, "%#x\n", card->ext_csd.rel_sectors);
+static ssize_t mmc_fwrev_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct mmc_card *card = mmc_dev_to_card(dev);
+
+ if (card->ext_csd.rev < 7) {
+ return sprintf(buf, "0x%x\n", card->cid.fwrev);
+ } else {
+ return sprintf(buf, "0x%*phN\n", MMC_FIRMWARE_LEN,
+ card->ext_csd.fwrev);
+ }
+}
+
+static DEVICE_ATTR(fwrev, S_IRUGO, mmc_fwrev_show, NULL);
+
static struct attribute *mmc_std_attrs[] = {
&dev_attr_cid.attr,
&dev_attr_csd.attr,
&dev_attr_erase_size.attr,
&dev_attr_preferred_erase_size.attr,
&dev_attr_fwrev.attr,
+ &dev_attr_ffu_capable.attr,
&dev_attr_hwrev.attr,
&dev_attr_manfid.attr,
&dev_attr_name.attr,
unsigned int pwrclass_val = 0;
int err = 0;
- /* Power class selection is supported for versions >= 4.0 */
- if (card->csd.mmca_vsn < CSD_SPEC_VER_4)
- return 0;
-
- /* Power class values are defined only for 4/8 bit bus */
- if (bus_width == EXT_CSD_BUS_WIDTH_1)
- return 0;
-
switch (1 << host->ios.vdd) {
case MMC_VDD_165_195:
if (host->ios.clock <= MMC_HIGH_26_MAX_DTR)
int err, ddr;
/* Power class selection is supported for versions >= 4.0 */
- if (card->csd.mmca_vsn < CSD_SPEC_VER_4)
+ if (!mmc_can_ext_csd(card))
return 0;
bus_width = host->ios.bus_width;
unsigned idx, bus_width = 0;
int err = 0;
- if ((card->csd.mmca_vsn < CSD_SPEC_VER_4) &&
+ if (!mmc_can_ext_csd(card) ||
!(host->caps & (MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA)))
return 0;
ext_csd_bits,
card->ext_csd.generic_cmd6_time);
if (err) {
- pr_warn("%s: switch to bus width %d ddr failed\n",
+ pr_err("%s: switch to bus width %d ddr failed\n",
mmc_hostname(host), 1 << bus_width);
return err;
}
card->ext_csd.generic_cmd6_time,
true, true, true);
if (err) {
- pr_warn("%s: switch to high-speed from hs200 failed, err:%d\n",
+ pr_err("%s: switch to high-speed from hs200 failed, err:%d\n",
mmc_hostname(host), err);
return err;
}
EXT_CSD_DDR_BUS_WIDTH_8,
card->ext_csd.generic_cmd6_time);
if (err) {
- pr_warn("%s: switch to bus width for hs400 failed, err:%d\n",
+ pr_err("%s: switch to bus width for hs400 failed, err:%d\n",
mmc_hostname(host), err);
return err;
}
card->ext_csd.generic_cmd6_time,
true, true, true);
if (err) {
- pr_warn("%s: switch to hs400 failed, err:%d\n",
+ pr_err("%s: switch to hs400 failed, err:%d\n",
mmc_hostname(host), err);
return err;
}
{
int err = 0;
- if ((card->csd.mmca_vsn < CSD_SPEC_VER_4 &&
- card->ext_csd.hs_max_dtr == 0))
+ if (!mmc_can_ext_csd(card))
goto bus_speed;
if (card->mmc_avail_type & EXT_CSD_CARD_TYPE_HS200)
return err;
}
-const u8 tuning_blk_pattern_4bit[MMC_TUNING_BLK_PATTERN_4BIT_SIZE] = {
- 0xff, 0x0f, 0xff, 0x00, 0xff, 0xcc, 0xc3, 0xcc,
- 0xc3, 0x3c, 0xcc, 0xff, 0xfe, 0xff, 0xfe, 0xef,
- 0xff, 0xdf, 0xff, 0xdd, 0xff, 0xfb, 0xff, 0xfb,
- 0xbf, 0xff, 0x7f, 0xff, 0x77, 0xf7, 0xbd, 0xef,
- 0xff, 0xf0, 0xff, 0xf0, 0x0f, 0xfc, 0xcc, 0x3c,
- 0xcc, 0x33, 0xcc, 0xcf, 0xff, 0xef, 0xff, 0xee,
- 0xff, 0xfd, 0xff, 0xfd, 0xdf, 0xff, 0xbf, 0xff,
- 0xbb, 0xff, 0xf7, 0xff, 0xf7, 0x7f, 0x7b, 0xde,
-};
-EXPORT_SYMBOL(tuning_blk_pattern_4bit);
-
-const u8 tuning_blk_pattern_8bit[MMC_TUNING_BLK_PATTERN_8BIT_SIZE] = {
- 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0x00,
- 0xff, 0xff, 0xcc, 0xcc, 0xcc, 0x33, 0xcc, 0xcc,
- 0xcc, 0x33, 0x33, 0xcc, 0xcc, 0xcc, 0xff, 0xff,
- 0xff, 0xee, 0xff, 0xff, 0xff, 0xee, 0xee, 0xff,
- 0xff, 0xff, 0xdd, 0xff, 0xff, 0xff, 0xdd, 0xdd,
- 0xff, 0xff, 0xff, 0xbb, 0xff, 0xff, 0xff, 0xbb,
- 0xbb, 0xff, 0xff, 0xff, 0x77, 0xff, 0xff, 0xff,
- 0x77, 0x77, 0xff, 0x77, 0xbb, 0xdd, 0xee, 0xff,
- 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00,
- 0x00, 0xff, 0xff, 0xcc, 0xcc, 0xcc, 0x33, 0xcc,
- 0xcc, 0xcc, 0x33, 0x33, 0xcc, 0xcc, 0xcc, 0xff,
- 0xff, 0xff, 0xee, 0xff, 0xff, 0xff, 0xee, 0xee,
- 0xff, 0xff, 0xff, 0xdd, 0xff, 0xff, 0xff, 0xdd,
- 0xdd, 0xff, 0xff, 0xff, 0xbb, 0xff, 0xff, 0xff,
- 0xbb, 0xbb, 0xff, 0xff, 0xff, 0x77, 0xff, 0xff,
- 0xff, 0x77, 0x77, 0xff, 0x77, 0xbb, 0xdd, 0xee,
-};
-EXPORT_SYMBOL(tuning_blk_pattern_8bit);
-
/*
* Execute tuning sequence to seek the proper bus operating
* conditions for HS200 and HS400, which sends CMD21 to the device.
static int mmc_hs200_tuning(struct mmc_card *card)
{
struct mmc_host *host = card->host;
- int err = 0;
/*
* Timing should be adjusted to the HS400 target
if (host->ops->prepare_hs400_tuning)
host->ops->prepare_hs400_tuning(host, &host->ios);
- if (host->ops->execute_tuning) {
- mmc_host_clk_hold(host);
- err = host->ops->execute_tuning(host,
- MMC_SEND_TUNING_BLOCK_HS200);
- mmc_host_clk_release(host);
-
- if (err)
- pr_warn("%s: tuning execution failed\n",
- mmc_hostname(host));
- }
-
- return err;
+ return mmc_execute_tuning(card);
}
/*
int err;
u32 cid[4];
u32 rocr;
- u8 *ext_csd = NULL;
BUG_ON(!host);
WARN_ON(!host->claimed);
memcpy(card->raw_cid, cid, sizeof(card->raw_cid));
}
+ /*
+ * Call the optional HC's init_card function to handle quirks.
+ */
+ if (host->ops->init_card)
+ host->ops->init_card(host, card);
+
/*
* For native busses: set card RCA and quit open drain mode.
*/
}
if (!oldcard) {
- /*
- * Fetch and process extended CSD.
- */
-
- err = mmc_get_ext_csd(card, &ext_csd);
- if (err)
- goto free_card;
- err = mmc_read_ext_csd(card, ext_csd);
+ /* Read extended CSD. */
+ err = mmc_read_ext_csd(card);
if (err)
goto free_card;
if (mmc_card_hs200(card)) {
err = mmc_hs200_tuning(card);
if (err)
- goto err;
+ goto free_card;
err = mmc_select_hs400(card);
if (err)
- goto err;
+ goto free_card;
} else if (mmc_card_hs(card)) {
/* Select the desired bus width optionally */
err = mmc_select_bus_width(card);
if (!IS_ERR_VALUE(err)) {
err = mmc_select_hs_ddr(card);
if (err)
- goto err;
+ goto free_card;
}
}
if (!oldcard)
host->card = card;
- mmc_free_ext_csd(ext_csd);
return 0;
free_card:
if (!oldcard)
mmc_remove_card(card);
err:
- mmc_free_ext_csd(ext_csd);
-
return err;
}
err = _mmc_suspend(host, true);
if (err)
- pr_err("%s: error %d doing aggessive suspend\n",
+ pr_err("%s: error %d doing aggressive suspend\n",
mmc_hostname(host), err);
return err;
err = _mmc_resume(host);
if (err)
- pr_err("%s: error %d doing aggessive resume\n",
+ pr_err("%s: error %d doing aggressive resume\n",
mmc_hostname(host), err);
return 0;
return ret;
}
+int mmc_can_reset(struct mmc_card *card)
+{
+ u8 rst_n_function;
+
+ rst_n_function = card->ext_csd.rst_n_function;
+ if ((rst_n_function & EXT_CSD_RST_N_EN_MASK) != EXT_CSD_RST_N_ENABLED)
+ return 0;
+ return 1;
+}
+EXPORT_SYMBOL(mmc_can_reset);
+
+static int mmc_reset(struct mmc_host *host)
+{
+ struct mmc_card *card = host->card;
+ u32 status;
+
+ if (!(host->caps & MMC_CAP_HW_RESET) || !host->ops->hw_reset)
+ return -EOPNOTSUPP;
+
+ if (!mmc_can_reset(card))
+ return -EOPNOTSUPP;
+
+ mmc_host_clk_hold(host);
+ mmc_set_clock(host, host->f_init);
+
+ host->ops->hw_reset(host);
+
+ /* If the reset has happened, then a status command will fail */
+ if (!mmc_send_status(card, &status)) {
+ mmc_host_clk_release(host);
+ return -ENOSYS;
+ }
+
+ /* Set initial state and call mmc_set_ios */
+ mmc_set_initial_state(host);
+ mmc_host_clk_release(host);
+
+ return mmc_power_restore(host);
+}
+
static const struct mmc_bus_ops mmc_ops = {
.remove = mmc_remove,
.detect = mmc_detect,
.power_restore = mmc_power_restore,
.alive = mmc_alive,
.shutdown = mmc_shutdown,
+ .reset = mmc_reset,
};
/*
* SPI mode doesn't define CMD19 and tuning is only valid for SDR50 and
* SDR104 mode SD-cards. Note that tuning is mandatory for SDR104.
*/
- if (!mmc_host_is_spi(card->host) && card->host->ops->execute_tuning &&
- (card->sd_bus_speed == UHS_SDR50_BUS_SPEED ||
- card->sd_bus_speed == UHS_SDR104_BUS_SPEED)) {
- mmc_host_clk_hold(card->host);
- err = card->host->ops->execute_tuning(card->host,
- MMC_SEND_TUNING_BLOCK);
- mmc_host_clk_release(card->host);
- }
-
+ if (!mmc_host_is_spi(card->host) &&
+ (card->sd_bus_speed == UHS_SDR50_BUS_SPEED ||
+ card->sd_bus_speed == UHS_SDR104_BUS_SPEED))
+ err = mmc_execute_tuning(card);
out:
kfree(status);
memcpy(card->raw_cid, cid, sizeof(card->raw_cid));
}
+ /*
+ * Call the optional HC's init_card function to handle quirks.
+ */
+ if (host->ops->init_card)
+ host->ops->init_card(host, card);
+
/*
* For native busses: get card RCA and quit open drain mode.
*/
err = _mmc_sd_suspend(host);
if (err)
- pr_err("%s: error %d doing aggessive suspend\n",
+ pr_err("%s: error %d doing aggressive suspend\n",
mmc_hostname(host), err);
return err;
err = _mmc_sd_resume(host);
if (err)
- pr_err("%s: error %d doing aggessive resume\n",
+ pr_err("%s: error %d doing aggressive resume\n",
mmc_hostname(host), err);
return 0;
return ret;
}
+static int mmc_sd_reset(struct mmc_host *host)
+{
+ mmc_power_cycle(host, host->card->ocr);
+ return mmc_sd_power_restore(host);
+}
+
static const struct mmc_bus_ops mmc_sd_ops = {
.remove = mmc_sd_remove,
.detect = mmc_sd_detect,
.power_restore = mmc_sd_power_restore,
.alive = mmc_sd_alive,
.shutdown = mmc_sd_suspend,
+ .reset = mmc_sd_reset,
};
/*
return err;
}
-
mask = MX28_BF_GPMI_STAT_READY_BUSY(1 << chip);
reg = readl(r->gpmi_regs + HW_GPMI_STAT);
} else
- dev_err(this->dev, "unknow arch.\n");
+ dev_err(this->dev, "unknown arch.\n");
return reg & mask;
}
set_dma_type(this, DMA_FOR_READ_ECC_PAGE);
return start_dma_with_bch_irq(this, desc);
}
+
+/**
+ * gpmi_copy_bits - copy bits from one memory region to another
+ * @dst: destination buffer
+ * @dst_bit_off: bit offset we're starting to write at
+ * @src: source buffer
+ * @src_bit_off: bit offset we're starting to read from
+ * @nbits: number of bits to copy
+ *
+ * This functions copies bits from one memory region to another, and is used by
+ * the GPMI driver to copy ECC sections which are not guaranteed to be byte
+ * aligned.
+ *
+ * src and dst should not overlap.
+ *
+ */
+void gpmi_copy_bits(u8 *dst, size_t dst_bit_off,
+ const u8 *src, size_t src_bit_off,
+ size_t nbits)
+{
+ size_t i;
+ size_t nbytes;
+ u32 src_buffer = 0;
+ size_t bits_in_src_buffer = 0;
+
+ if (!nbits)
+ return;
+
+ /*
+ * Move src and dst pointers to the closest byte pointer and store bit
+ * offsets within a byte.
+ */
+ src += src_bit_off / 8;
+ src_bit_off %= 8;
+
+ dst += dst_bit_off / 8;
+ dst_bit_off %= 8;
+
+ /*
+ * Initialize the src_buffer value with bits available in the first
+ * byte of data so that we end up with a byte aligned src pointer.
+ */
+ if (src_bit_off) {
+ src_buffer = src[0] >> src_bit_off;
+ if (nbits >= (8 - src_bit_off)) {
+ bits_in_src_buffer += 8 - src_bit_off;
+ } else {
+ src_buffer &= GENMASK(nbits - 1, 0);
+ bits_in_src_buffer += nbits;
+ }
+ nbits -= bits_in_src_buffer;
+ src++;
+ }
+
+ /* Calculate the number of bytes that can be copied from src to dst. */
+ nbytes = nbits / 8;
+
+ /* Try to align dst to a byte boundary. */
+ if (dst_bit_off) {
+ if (bits_in_src_buffer < (8 - dst_bit_off) && nbytes) {
+ src_buffer |= src[0] << bits_in_src_buffer;
+ bits_in_src_buffer += 8;
+ src++;
+ nbytes--;
+ }
+
+ if (bits_in_src_buffer >= (8 - dst_bit_off)) {
+ dst[0] &= GENMASK(dst_bit_off - 1, 0);
+ dst[0] |= src_buffer << dst_bit_off;
+ src_buffer >>= (8 - dst_bit_off);
+ bits_in_src_buffer -= (8 - dst_bit_off);
+ dst_bit_off = 0;
+ dst++;
+ if (bits_in_src_buffer > 7) {
+ bits_in_src_buffer -= 8;
+ dst[0] = src_buffer;
+ dst++;
+ src_buffer >>= 8;
+ }
+ }
+ }
+
+ if (!bits_in_src_buffer && !dst_bit_off) {
+ /*
+ * Both src and dst pointers are byte aligned, thus we can
+ * just use the optimized memcpy function.
+ */
+ if (nbytes)
+ memcpy(dst, src, nbytes);
+ } else {
+ /*
+ * src buffer is not byte aligned, hence we have to copy each
+ * src byte to the src_buffer variable before extracting a byte
+ * to store in dst.
+ */
+ for (i = 0; i < nbytes; i++) {
+ src_buffer |= src[i] << bits_in_src_buffer;
+ dst[i] = src_buffer;
+ src_buffer >>= 8;
+ }
+ }
+ /* Update dst and src pointers */
+ dst += nbytes;
+ src += nbytes;
+
+ /*
+ * nbits is the number of remaining bits. It should not exceed 8 as
+ * we've already copied as much bytes as possible.
+ */
+ nbits %= 8;
+
+ /*
+ * If there's no more bits to copy to the destination and src buffer
+ * was already byte aligned, then we're done.
+ */
+ if (!nbits && !bits_in_src_buffer)
+ return;
+
+ /* Copy the remaining bits to src_buffer */
+ if (nbits)
+ src_buffer |= (*src & GENMASK(nbits - 1, 0)) <<
+ bits_in_src_buffer;
+ bits_in_src_buffer += nbits;
+
+ /*
+ * In case there were not enough bits to get a byte aligned dst buffer
+ * prepare the src_buffer variable to match the dst organization (shift
+ * src_buffer by dst_bit_off and retrieve the least significant bits
+ * from dst).
+ */
+ if (dst_bit_off)
+ src_buffer = (src_buffer << dst_bit_off) |
+ (*dst & GENMASK(dst_bit_off - 1, 0));
+ bits_in_src_buffer += dst_bit_off;
+
+ /*
+ * Keep most significant bits from dst if we end up with an unaligned
+ * number of bits.
+ */
+ nbytes = bits_in_src_buffer / 8;
+ if (bits_in_src_buffer % 8) {
+ src_buffer |= (dst[nbytes] &
+ GENMASK(7, bits_in_src_buffer % 8)) <<
+ (nbytes * 8);
+ nbytes++;
+ }
+
+ /* Copy the remaining bytes to dst */
+ for (i = 0; i < nbytes; i++) {
+ dst[i] = src_buffer;
+ src_buffer >>= 8;
+ }
+}
/* Setup-op general parameters */
setup_p->gen_params.spcl_id = vf->sp_cl_id;
setup_p->gen_params.stat_id = vfq_stat_id(vf, q);
+ setup_p->gen_params.fp_hsi = vf->fp_hsi;
/* Setup-op pause params:
* Nothing to do, the pause thresholds are set by default to 0 which
mc = kzalloc(mc_num * sizeof(struct bnx2x_mcast_list_elem),
GFP_KERNEL);
if (!mc) {
- BNX2X_ERR("Cannot Configure mulicasts due to lack of memory\n");
+ BNX2X_ERR("Cannot Configure multicasts due to lack of memory\n");
return -ENOMEM;
}
}
cookie.vf = vf;
cookie.state = VF_ACQUIRED;
- bnx2x_stats_safe_exec(bp, bnx2x_set_vf_state, &cookie);
+ rc = bnx2x_stats_safe_exec(bp, bnx2x_set_vf_state, &cookie);
+ if (rc)
+ goto op_err;
}
DP(BNX2X_MSG_IOV, "set state to acquired\n");
return err;
}
-int qlcnic_nic_add_mac(struct qlcnic_adapter *adapter, const u8 *addr, u16 vlan)
+int qlcnic_nic_add_mac(struct qlcnic_adapter *adapter, const u8 *addr, u16 vlan,
+ enum qlcnic_mac_type mac_type)
{
struct qlcnic_mac_vlan_list *cur;
struct list_head *head;
}
cur->vlan_id = vlan;
+ cur->mac_type = mac_type;
+
list_add_tail(&cur->list, &adapter->mac_list);
return 0;
}
+void qlcnic_flush_mcast_mac(struct qlcnic_adapter *adapter)
+{
+ struct qlcnic_mac_vlan_list *cur;
+ struct list_head *head, *tmp;
+
+ list_for_each_safe(head, tmp, &adapter->mac_list) {
+ cur = list_entry(head, struct qlcnic_mac_vlan_list, list);
+ if (cur->mac_type != QLCNIC_MULTICAST_MAC)
+ continue;
+
+ qlcnic_sre_macaddr_change(adapter, cur->mac_addr,
+ cur->vlan_id, QLCNIC_MAC_DEL);
+ list_del(&cur->list);
+ kfree(cur);
+ }
+}
+
static void __qlcnic_set_multi(struct net_device *netdev, u16 vlan)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state))
return;
- qlcnic_nic_add_mac(adapter, adapter->mac_addr, vlan);
- qlcnic_nic_add_mac(adapter, bcast_addr, vlan);
+ qlcnic_nic_add_mac(adapter, adapter->mac_addr, vlan,
+ QLCNIC_UNICAST_MAC);
+ qlcnic_nic_add_mac(adapter, bcast_addr, vlan, QLCNIC_BROADCAST_MAC);
if (netdev->flags & IFF_PROMISC) {
if (!(adapter->flags & QLCNIC_PROMISC_DISABLED))
(netdev_mc_count(netdev) > ahw->max_mc_count)) {
mode = VPORT_MISS_MODE_ACCEPT_MULTI;
} else if (!netdev_mc_empty(netdev)) {
+ qlcnic_flush_mcast_mac(adapter);
netdev_for_each_mc_addr(ha, netdev)
- qlcnic_nic_add_mac(adapter, ha->addr, vlan);
+ qlcnic_nic_add_mac(adapter, ha->addr, vlan,
+ QLCNIC_MULTICAST_MAC);
}
/* configure unicast MAC address, if there is not sufficient space
mode = VPORT_MISS_MODE_ACCEPT_ALL;
} else if (!netdev_uc_empty(netdev)) {
netdev_for_each_uc_addr(ha, netdev)
- qlcnic_nic_add_mac(adapter, ha->addr, vlan);
+ qlcnic_nic_add_mac(adapter, ha->addr, vlan,
+ QLCNIC_UNICAST_MAC);
}
if (mode == VPORT_MISS_MODE_ACCEPT_ALL &&
if (rv)
netdev_err(adapter->netdev,
- "Failed to set Rx coalescing parametrs\n");
+ "Failed to set Rx coalescing parameters\n");
return rv;
}
#include "htt.h"
#include "txrx.h"
#include "testmode.h"
+#include "wmi.h"
+#include "wmi-ops.h"
/**********/
/* Crypto */
static int ath10k_send_key(struct ath10k_vif *arvif,
struct ieee80211_key_conf *key,
enum set_key_cmd cmd,
- const u8 *macaddr)
+ const u8 *macaddr, bool def_idx)
{
struct ath10k *ar = arvif->ar;
struct wmi_vdev_install_key_arg arg = {
switch (key->cipher) {
case WLAN_CIPHER_SUITE_CCMP:
arg.key_cipher = WMI_CIPHER_AES_CCM;
- if (arvif->vdev_type == WMI_VDEV_TYPE_AP)
- key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV_MGMT;
- else
- key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
+ key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV_MGMT;
break;
case WLAN_CIPHER_SUITE_TKIP:
arg.key_cipher = WMI_CIPHER_TKIP;
* Otherwise pairwise key must be set */
if (memcmp(macaddr, arvif->vif->addr, ETH_ALEN))
arg.key_flags = WMI_KEY_PAIRWISE;
+
+ if (def_idx)
+ arg.key_flags |= WMI_KEY_TX_USAGE;
break;
+ case WLAN_CIPHER_SUITE_AES_CMAC:
+ /* this one needs to be done in software */
+ return 1;
default:
ath10k_warn(ar, "cipher %d is not supported\n", key->cipher);
return -EOPNOTSUPP;
static int ath10k_install_key(struct ath10k_vif *arvif,
struct ieee80211_key_conf *key,
enum set_key_cmd cmd,
- const u8 *macaddr)
+ const u8 *macaddr, bool def_idx)
{
struct ath10k *ar = arvif->ar;
int ret;
reinit_completion(&ar->install_key_done);
- ret = ath10k_send_key(arvif, key, cmd, macaddr);
+ ret = ath10k_send_key(arvif, key, cmd, macaddr, def_idx);
if (ret)
return ret;
struct ath10k_peer *peer;
int ret;
int i;
+ bool def_idx;
lockdep_assert_held(&ar->conf_mutex);
for (i = 0; i < ARRAY_SIZE(arvif->wep_keys); i++) {
if (arvif->wep_keys[i] == NULL)
continue;
+ /* set TX_USAGE flag for default key id */
+ if (arvif->def_wep_key_idx == i)
+ def_idx = true;
+ else
+ def_idx = false;
ret = ath10k_install_key(arvif, arvif->wep_keys[i], SET_KEY,
- addr);
+ addr, def_idx);
if (ret)
return ret;
+ spin_lock_bh(&ar->data_lock);
peer->keys[i] = arvif->wep_keys[i];
+ spin_unlock_bh(&ar->data_lock);
}
return 0;
if (peer->keys[i] == NULL)
continue;
+ /* key flags are not required to delete the key */
ret = ath10k_install_key(arvif, peer->keys[i],
- DISABLE_KEY, addr);
+ DISABLE_KEY, addr, false);
if (ret && first_errno == 0)
first_errno = ret;
ath10k_warn(ar, "failed to remove peer wep key %d: %d\n",
i, ret);
+ spin_lock_bh(&ar->data_lock);
peer->keys[i] = NULL;
+ spin_unlock_bh(&ar->data_lock);
}
return first_errno;
}
+bool ath10k_mac_is_peer_wep_key_set(struct ath10k *ar, const u8 *addr,
+ u8 keyidx)
+{
+ struct ath10k_peer *peer;
+ int i;
+
+ lockdep_assert_held(&ar->data_lock);
+
+ /* We don't know which vdev this peer belongs to,
+ * since WMI doesn't give us that information.
+ *
+ * FIXME: multi-bss needs to be handled.
+ */
+ peer = ath10k_peer_find(ar, 0, addr);
+ if (!peer)
+ return false;
+
+ for (i = 0; i < ARRAY_SIZE(peer->keys); i++) {
+ if (peer->keys[i] && peer->keys[i]->keyidx == keyidx)
+ return true;
+ }
+
+ return false;
+}
+
static int ath10k_clear_vdev_key(struct ath10k_vif *arvif,
struct ieee80211_key_conf *key)
{
if (i == ARRAY_SIZE(peer->keys))
break;
-
- ret = ath10k_install_key(arvif, key, DISABLE_KEY, addr);
+ /* key flags are not required to delete the key */
+ ret = ath10k_install_key(arvif, key, DISABLE_KEY, addr, false);
if (ret && first_errno == 0)
first_errno = ret;
case IEEE80211_BAND_2GHZ:
switch (chandef->width) {
case NL80211_CHAN_WIDTH_20_NOHT:
- phymode = MODE_11G;
+ if (chandef->chan->flags & IEEE80211_CHAN_NO_OFDM)
+ phymode = MODE_11B;
+ else
+ phymode = MODE_11G;
break;
case NL80211_CHAN_WIDTH_20:
phymode = MODE_11NG_HT20;
lockdep_assert_held(&ar->conf_mutex);
+ if (ar->num_peers >= ar->max_num_peers)
+ return -ENOBUFS;
+
ret = ath10k_wmi_peer_create(ar, vdev_id, addr);
if (ret) {
ath10k_warn(ar, "failed to create wmi peer %pM on vdev %i: %i\n",
addr, vdev_id, ret);
return ret;
}
- spin_lock_bh(&ar->data_lock);
+
ar->num_peers++;
- spin_unlock_bh(&ar->data_lock);
return 0;
}
return 0;
}
-static int ath10k_mac_set_rts(struct ath10k_vif *arvif, u32 value)
+static int ath10k_mac_set_rts(struct ath10k_vif *arvif, u32 value)
{
struct ath10k *ar = arvif->ar;
u32 vdev_param;
- if (value != 0xFFFFFFFF)
- value = min_t(u32, arvif->ar->hw->wiphy->rts_threshold,
- ATH10K_RTS_MAX);
-
vdev_param = ar->wmi.vdev_param->rts_threshold;
return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, value);
}
if (ret)
return ret;
- spin_lock_bh(&ar->data_lock);
ar->num_peers--;
- spin_unlock_bh(&ar->data_lock);
return 0;
}
list_del(&peer->list);
kfree(peer);
}
- ar->num_peers = 0;
spin_unlock_bh(&ar->data_lock);
+
+ ar->num_peers = 0;
+ ar->num_stations = 0;
}
/************************/
/* Interface management */
/************************/
+void ath10k_mac_vif_beacon_free(struct ath10k_vif *arvif)
+{
+ struct ath10k *ar = arvif->ar;
+
+ lockdep_assert_held(&ar->data_lock);
+
+ if (!arvif->beacon)
+ return;
+
+ if (!arvif->beacon_buf)
+ dma_unmap_single(ar->dev, ATH10K_SKB_CB(arvif->beacon)->paddr,
+ arvif->beacon->len, DMA_TO_DEVICE);
+
+ if (WARN_ON(arvif->beacon_state != ATH10K_BEACON_SCHEDULED &&
+ arvif->beacon_state != ATH10K_BEACON_SENT))
+ return;
+
+ dev_kfree_skb_any(arvif->beacon);
+
+ arvif->beacon = NULL;
+ arvif->beacon_state = ATH10K_BEACON_SCHEDULED;
+}
+
+static void ath10k_mac_vif_beacon_cleanup(struct ath10k_vif *arvif)
+{
+ struct ath10k *ar = arvif->ar;
+
+ lockdep_assert_held(&ar->data_lock);
+
+ ath10k_mac_vif_beacon_free(arvif);
+
+ if (arvif->beacon_buf) {
+ dma_free_coherent(ar->dev, IEEE80211_MAX_FRAME_LEN,
+ arvif->beacon_buf, arvif->beacon_paddr);
+ arvif->beacon_buf = NULL;
+ }
+}
+
static inline int ath10k_vdev_setup_sync(struct ath10k *ar)
{
int ret;
lockdep_assert_held(&ar->conf_mutex);
+ if (test_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags))
+ return -ESHUTDOWN;
+
ret = wait_for_completion_timeout(&ar->vdev_setup_done,
ATH10K_VDEV_SETUP_TIMEOUT_HZ);
if (ret == 0)
arg.channel.max_reg_power = channel->max_reg_power * 2;
arg.channel.max_antenna_gain = channel->max_antenna_gain * 2;
+ reinit_completion(&ar->vdev_setup_done);
+
ret = ath10k_wmi_vdev_start(ar, &arg);
if (ret) {
ath10k_warn(ar, "failed to request monitor vdev %i start: %d\n",
ath10k_warn(ar, "failed to put down monitor vdev %i: %d\n",
ar->monitor_vdev_id, ret);
+ reinit_completion(&ar->vdev_setup_done);
+
ret = ath10k_wmi_vdev_stop(ar, ar->monitor_vdev_id);
if (ret)
ath10k_warn(ar, "failed to to request monitor vdev %i stop: %d\n",
return -ENOMEM;
}
- bit = ffs(ar->free_vdev_map);
+ bit = __ffs64(ar->free_vdev_map);
- ar->monitor_vdev_id = bit - 1;
+ ar->monitor_vdev_id = bit;
ret = ath10k_wmi_vdev_create(ar, ar->monitor_vdev_id,
WMI_VDEV_TYPE_MONITOR,
return ret;
}
- ar->free_vdev_map &= ~(1 << ar->monitor_vdev_id);
+ ar->free_vdev_map &= ~(1LL << ar->monitor_vdev_id);
ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %d created\n",
ar->monitor_vdev_id);
return ret;
}
- ar->free_vdev_map |= 1 << ar->monitor_vdev_id;
+ ar->free_vdev_map |= 1LL << ar->monitor_vdev_id;
ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %d deleted\n",
ar->monitor_vdev_id);
return ret;
}
+static int ath10k_mac_setup_bcn_p2p_ie(struct ath10k_vif *arvif,
+ struct sk_buff *bcn)
+{
+ struct ath10k *ar = arvif->ar;
+ struct ieee80211_mgmt *mgmt;
+ const u8 *p2p_ie;
+ int ret;
+
+ if (arvif->vdev_type != WMI_VDEV_TYPE_AP)
+ return 0;
+
+ if (arvif->vdev_subtype != WMI_VDEV_SUBTYPE_P2P_GO)
+ return 0;
+
+ mgmt = (void *)bcn->data;
+ p2p_ie = cfg80211_find_vendor_ie(WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P,
+ mgmt->u.beacon.variable,
+ bcn->len - (mgmt->u.beacon.variable -
+ bcn->data));
+ if (!p2p_ie)
+ return -ENOENT;
+
+ ret = ath10k_wmi_p2p_go_bcn_ie(ar, arvif->vdev_id, p2p_ie);
+ if (ret) {
+ ath10k_warn(ar, "failed to submit p2p go bcn ie for vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int ath10k_mac_remove_vendor_ie(struct sk_buff *skb, unsigned int oui,
+ u8 oui_type, size_t ie_offset)
+{
+ size_t len;
+ const u8 *next;
+ const u8 *end;
+ u8 *ie;
+
+ if (WARN_ON(skb->len < ie_offset))
+ return -EINVAL;
+
+ ie = (u8 *)cfg80211_find_vendor_ie(oui, oui_type,
+ skb->data + ie_offset,
+ skb->len - ie_offset);
+ if (!ie)
+ return -ENOENT;
+
+ len = ie[1] + 2;
+ end = skb->data + skb->len;
+ next = ie + len;
+
+ if (WARN_ON(next > end))
+ return -EINVAL;
+
+ memmove(ie, next, end - next);
+ skb_trim(skb, skb->len - len);
+
+ return 0;
+}
+
+static int ath10k_mac_setup_bcn_tmpl(struct ath10k_vif *arvif)
+{
+ struct ath10k *ar = arvif->ar;
+ struct ieee80211_hw *hw = ar->hw;
+ struct ieee80211_vif *vif = arvif->vif;
+ struct ieee80211_mutable_offsets offs = {};
+ struct sk_buff *bcn;
+ int ret;
+
+ if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map))
+ return 0;
+
+ bcn = ieee80211_beacon_get_template(hw, vif, &offs);
+ if (!bcn) {
+ ath10k_warn(ar, "failed to get beacon template from mac80211\n");
+ return -EPERM;
+ }
+
+ ret = ath10k_mac_setup_bcn_p2p_ie(arvif, bcn);
+ if (ret) {
+ ath10k_warn(ar, "failed to setup p2p go bcn ie: %d\n", ret);
+ kfree_skb(bcn);
+ return ret;
+ }
+
+ /* P2P IE is inserted by firmware automatically (as configured above)
+ * so remove it from the base beacon template to avoid duplicate P2P
+ * IEs in beacon frames.
+ */
+ ath10k_mac_remove_vendor_ie(bcn, WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P,
+ offsetof(struct ieee80211_mgmt,
+ u.beacon.variable));
+
+ ret = ath10k_wmi_bcn_tmpl(ar, arvif->vdev_id, offs.tim_offset, bcn, 0,
+ 0, NULL, 0);
+ kfree_skb(bcn);
+
+ if (ret) {
+ ath10k_warn(ar, "failed to submit beacon template command: %d\n",
+ ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int ath10k_mac_setup_prb_tmpl(struct ath10k_vif *arvif)
+{
+ struct ath10k *ar = arvif->ar;
+ struct ieee80211_hw *hw = ar->hw;
+ struct ieee80211_vif *vif = arvif->vif;
+ struct sk_buff *prb;
+ int ret;
+
+ if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map))
+ return 0;
+
+ prb = ieee80211_proberesp_get(hw, vif);
+ if (!prb) {
+ ath10k_warn(ar, "failed to get probe resp template from mac80211\n");
+ return -EPERM;
+ }
+
+ ret = ath10k_wmi_prb_tmpl(ar, arvif->vdev_id, prb);
+ kfree_skb(prb);
+
+ if (ret) {
+ ath10k_warn(ar, "failed to submit probe resp template command: %d\n",
+ ret);
+ return ret;
+ }
+
+ return 0;
+}
+
static void ath10k_control_beaconing(struct ath10k_vif *arvif,
struct ieee80211_bss_conf *info)
{
arvif->is_up = false;
spin_lock_bh(&arvif->ar->data_lock);
- if (arvif->beacon) {
- dma_unmap_single(arvif->ar->dev,
- ATH10K_SKB_CB(arvif->beacon)->paddr,
- arvif->beacon->len, DMA_TO_DEVICE);
- dev_kfree_skb_any(arvif->beacon);
-
- arvif->beacon = NULL;
- arvif->beacon_sent = false;
- }
+ ath10k_mac_vif_beacon_free(arvif);
spin_unlock_bh(&arvif->ar->data_lock);
return;
if (is_zero_ether_addr(arvif->bssid))
return;
- ret = ath10k_peer_delete(arvif->ar, arvif->vdev_id,
- arvif->bssid);
- if (ret) {
- ath10k_warn(ar, "failed to delete IBSS BSSID peer %pM for vdev %d: %d\n",
- arvif->bssid, arvif->vdev_id, ret);
- return;
- }
-
memset(arvif->bssid, 0, ETH_ALEN);
return;
arvif->vdev_id, ret);
}
-/*
- * Review this when mac80211 gains per-interface powersave support.
- */
+static int ath10k_mac_vif_recalc_ps_wake_threshold(struct ath10k_vif *arvif)
+{
+ struct ath10k *ar = arvif->ar;
+ u32 param;
+ u32 value;
+ int ret;
+
+ lockdep_assert_held(&arvif->ar->conf_mutex);
+
+ if (arvif->u.sta.uapsd)
+ value = WMI_STA_PS_TX_WAKE_THRESHOLD_NEVER;
+ else
+ value = WMI_STA_PS_TX_WAKE_THRESHOLD_ALWAYS;
+
+ param = WMI_STA_PS_PARAM_TX_WAKE_THRESHOLD;
+ ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param, value);
+ if (ret) {
+ ath10k_warn(ar, "failed to submit ps wake threshold %u on vdev %i: %d\n",
+ value, arvif->vdev_id, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int ath10k_mac_vif_recalc_ps_poll_count(struct ath10k_vif *arvif)
+{
+ struct ath10k *ar = arvif->ar;
+ u32 param;
+ u32 value;
+ int ret;
+
+ lockdep_assert_held(&arvif->ar->conf_mutex);
+
+ if (arvif->u.sta.uapsd)
+ value = WMI_STA_PS_PSPOLL_COUNT_UAPSD;
+ else
+ value = WMI_STA_PS_PSPOLL_COUNT_NO_MAX;
+
+ param = WMI_STA_PS_PARAM_PSPOLL_COUNT;
+ ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
+ param, value);
+ if (ret) {
+ ath10k_warn(ar, "failed to submit ps poll count %u on vdev %i: %d\n",
+ value, arvif->vdev_id, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
static int ath10k_mac_vif_setup_ps(struct ath10k_vif *arvif)
{
struct ath10k *ar = arvif->ar;
+ struct ieee80211_vif *vif = arvif->vif;
struct ieee80211_conf *conf = &ar->hw->conf;
enum wmi_sta_powersave_param param;
enum wmi_sta_ps_mode psmode;
int ret;
+ int ps_timeout;
lockdep_assert_held(&arvif->ar->conf_mutex);
if (arvif->vif->type != NL80211_IFTYPE_STATION)
return 0;
- if (conf->flags & IEEE80211_CONF_PS) {
+ if (vif->bss_conf.ps) {
psmode = WMI_STA_PS_MODE_ENABLED;
param = WMI_STA_PS_PARAM_INACTIVITY_TIME;
+ ps_timeout = conf->dynamic_ps_timeout;
+ if (ps_timeout == 0) {
+ /* Firmware doesn't like 0 */
+ ps_timeout = ieee80211_tu_to_usec(
+ vif->bss_conf.beacon_int) / 1000;
+ }
+
ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param,
- conf->dynamic_ps_timeout);
+ ps_timeout);
if (ret) {
ath10k_warn(ar, "failed to set inactivity time for vdev %d: %i\n",
arvif->vdev_id, ret);
return 0;
}
+static int ath10k_mac_vif_disable_keepalive(struct ath10k_vif *arvif)
+{
+ struct ath10k *ar = arvif->ar;
+ struct wmi_sta_keepalive_arg arg = {};
+ int ret;
+
+ lockdep_assert_held(&arvif->ar->conf_mutex);
+
+ if (arvif->vdev_type != WMI_VDEV_TYPE_STA)
+ return 0;
+
+ if (!test_bit(WMI_SERVICE_STA_KEEP_ALIVE, ar->wmi.svc_map))
+ return 0;
+
+ /* Some firmware revisions have a bug and ignore the `enabled` field.
+ * Instead use the interval to disable the keepalive.
+ */
+ arg.vdev_id = arvif->vdev_id;
+ arg.enabled = 1;
+ arg.method = WMI_STA_KEEPALIVE_METHOD_NULL_FRAME;
+ arg.interval = WMI_STA_KEEPALIVE_INTERVAL_DISABLE;
+
+ ret = ath10k_wmi_sta_keepalive(ar, &arg);
+ if (ret) {
+ ath10k_warn(ar, "failed to submit keepalive on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
/**********************/
/* Station management */
/**********************/
+static u32 ath10k_peer_assoc_h_listen_intval(struct ath10k *ar,
+ struct ieee80211_vif *vif)
+{
+ /* Some firmware revisions have unstable STA powersave when listen
+ * interval is set too high (e.g. 5). The symptoms are firmware doesn't
+ * generate NullFunc frames properly even if buffered frames have been
+ * indicated in Beacon TIM. Firmware would seldom wake up to pull
+ * buffered frames. Often pinging the device from AP would simply fail.
+ *
+ * As a workaround set it to 1.
+ */
+ if (vif->type == NL80211_IFTYPE_STATION)
+ return 1;
+
+ return ar->hw->conf.listen_interval;
+}
+
static void ath10k_peer_assoc_h_basic(struct ath10k *ar,
- struct ath10k_vif *arvif,
+ struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
- struct ieee80211_bss_conf *bss_conf,
struct wmi_peer_assoc_complete_arg *arg)
{
+ struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
+
lockdep_assert_held(&ar->conf_mutex);
ether_addr_copy(arg->addr, sta->addr);
arg->vdev_id = arvif->vdev_id;
arg->peer_aid = sta->aid;
arg->peer_flags |= WMI_PEER_AUTH;
-
- if (arvif->vdev_type == WMI_VDEV_TYPE_STA)
- /*
- * Seems FW have problems with Power Save in STA
- * mode when we setup this parameter to high (eg. 5).
- * Often we see that FW don't send NULL (with clean P flags)
- * frame even there is info about buffered frames in beacons.
- * Sometimes we have to wait more than 10 seconds before FW
- * will wakeup. Often sending one ping from AP to our device
- * just fail (more than 50%).
- *
- * Seems setting this FW parameter to 1 couse FW
- * will check every beacon and will wakup immediately
- * after detection buffered data.
- */
- arg->peer_listen_intval = 1;
- else
- arg->peer_listen_intval = ar->hw->conf.listen_interval;
-
+ arg->peer_listen_intval = ath10k_peer_assoc_h_listen_intval(ar, vif);
arg->peer_num_spatial_streams = 1;
-
- /*
- * The assoc capabilities are available only in managed mode.
- */
- if (arvif->vdev_type == WMI_VDEV_TYPE_STA && bss_conf)
- arg->peer_caps = bss_conf->assoc_capability;
+ arg->peer_caps = vif->bss_conf.assoc_capability;
}
static void ath10k_peer_assoc_h_crypto(struct ath10k *ar,
- struct ath10k_vif *arvif,
+ struct ieee80211_vif *vif,
struct wmi_peer_assoc_complete_arg *arg)
{
- struct ieee80211_vif *vif = arvif->vif;
struct ieee80211_bss_conf *info = &vif->bss_conf;
struct cfg80211_bss *bss;
const u8 *rsnie = NULL;
return;
arg->peer_flags |= WMI_PEER_VHT;
+
+ if (ar->hw->conf.chandef.chan->band == IEEE80211_BAND_2GHZ)
+ arg->peer_flags |= WMI_PEER_VHT_2G;
+
arg->peer_vht_caps = vht_cap->cap;
ampdu_factor = (vht_cap->cap &
}
static void ath10k_peer_assoc_h_qos(struct ath10k *ar,
- struct ath10k_vif *arvif,
+ struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
- struct ieee80211_bss_conf *bss_conf,
struct wmi_peer_assoc_complete_arg *arg)
{
+ struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
+
switch (arvif->vdev_type) {
case WMI_VDEV_TYPE_AP:
if (sta->wme)
}
break;
case WMI_VDEV_TYPE_STA:
- if (bss_conf->qos)
+ if (vif->bss_conf.qos)
+ arg->peer_flags |= WMI_PEER_QOS;
+ break;
+ case WMI_VDEV_TYPE_IBSS:
+ if (sta->wme)
arg->peer_flags |= WMI_PEER_QOS;
break;
default:
break;
}
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac peer %pM qos %d\n",
+ sta->addr, !!(arg->peer_flags & WMI_PEER_QOS));
+}
+
+static bool ath10k_mac_sta_has_11g_rates(struct ieee80211_sta *sta)
+{
+ /* First 4 rates in ath10k_rates are CCK (11b) rates. */
+ return sta->supp_rates[IEEE80211_BAND_2GHZ] >> 4;
}
static void ath10k_peer_assoc_h_phymode(struct ath10k *ar,
- struct ath10k_vif *arvif,
+ struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct wmi_peer_assoc_complete_arg *arg)
{
switch (ar->hw->conf.chandef.chan->band) {
case IEEE80211_BAND_2GHZ:
- if (sta->ht_cap.ht_supported) {
+ if (sta->vht_cap.vht_supported) {
+ if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
+ phymode = MODE_11AC_VHT40;
+ else
+ phymode = MODE_11AC_VHT20;
+ } else if (sta->ht_cap.ht_supported) {
if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
phymode = MODE_11NG_HT40;
else
phymode = MODE_11NG_HT20;
- } else {
+ } else if (ath10k_mac_sta_has_11g_rates(sta)) {
phymode = MODE_11G;
+ } else {
+ phymode = MODE_11B;
}
break;
}
static int ath10k_peer_assoc_prepare(struct ath10k *ar,
- struct ath10k_vif *arvif,
+ struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
- struct ieee80211_bss_conf *bss_conf,
struct wmi_peer_assoc_complete_arg *arg)
{
lockdep_assert_held(&ar->conf_mutex);
memset(arg, 0, sizeof(*arg));
- ath10k_peer_assoc_h_basic(ar, arvif, sta, bss_conf, arg);
- ath10k_peer_assoc_h_crypto(ar, arvif, arg);
+ ath10k_peer_assoc_h_basic(ar, vif, sta, arg);
+ ath10k_peer_assoc_h_crypto(ar, vif, arg);
ath10k_peer_assoc_h_rates(ar, sta, arg);
ath10k_peer_assoc_h_ht(ar, sta, arg);
ath10k_peer_assoc_h_vht(ar, sta, arg);
- ath10k_peer_assoc_h_qos(ar, arvif, sta, bss_conf, arg);
- ath10k_peer_assoc_h_phymode(ar, arvif, sta, arg);
+ ath10k_peer_assoc_h_qos(ar, vif, sta, arg);
+ ath10k_peer_assoc_h_phymode(ar, vif, sta, arg);
return 0;
}
lockdep_assert_held(&ar->conf_mutex);
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i assoc bssid %pM aid %d\n",
+ arvif->vdev_id, arvif->bssid, arvif->aid);
+
rcu_read_lock();
ap_sta = ieee80211_find_sta(vif, bss_conf->bssid);
* before calling ath10k_setup_peer_smps() which might sleep. */
ht_cap = ap_sta->ht_cap;
- ret = ath10k_peer_assoc_prepare(ar, arvif, ap_sta,
- bss_conf, &peer_arg);
+ ret = ath10k_peer_assoc_prepare(ar, vif, ap_sta, &peer_arg);
if (ret) {
ath10k_warn(ar, "failed to prepare peer assoc for %pM vdev %i: %d\n",
bss_conf->bssid, arvif->vdev_id, ret);
"mac vdev %d up (associated) bssid %pM aid %d\n",
arvif->vdev_id, bss_conf->bssid, bss_conf->aid);
+ WARN_ON(arvif->is_up);
+
arvif->aid = bss_conf->aid;
ether_addr_copy(arvif->bssid, bss_conf->bssid);
arvif->is_up = true;
}
-/*
- * FIXME: flush TIDs
- */
static void ath10k_bss_disassoc(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
lockdep_assert_held(&ar->conf_mutex);
- /*
- * For some reason, calling VDEV-DOWN before VDEV-STOP
- * makes the FW to send frames via HTT after disassociation.
- * No idea why this happens, even though VDEV-DOWN is supposed
- * to be analogous to link down, so just stop the VDEV.
- */
- ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d stop (disassociated\n",
- arvif->vdev_id);
-
- /* FIXME: check return value */
- ret = ath10k_vdev_stop(arvif);
-
- /*
- * If we don't call VDEV-DOWN after VDEV-STOP FW will remain active and
- * report beacons from previously associated network through HTT.
- * This in turn would spam mac80211 WARN_ON if we bring down all
- * interfaces as it expects there is no rx when no interface is
- * running.
- */
- ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d down\n", arvif->vdev_id);
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i disassoc bssid %pM\n",
+ arvif->vdev_id, arvif->bssid);
- /* FIXME: why don't we print error if wmi call fails? */
ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
+ if (ret)
+ ath10k_warn(ar, "faield to down vdev %i: %d\n",
+ arvif->vdev_id, ret);
- arvif->def_wep_key_idx = 0;
+ arvif->def_wep_key_idx = -1;
- arvif->is_started = false;
arvif->is_up = false;
}
-static int ath10k_station_assoc(struct ath10k *ar, struct ath10k_vif *arvif,
- struct ieee80211_sta *sta, bool reassoc)
+static int ath10k_station_assoc(struct ath10k *ar,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ bool reassoc)
{
+ struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
struct wmi_peer_assoc_complete_arg peer_arg;
int ret = 0;
lockdep_assert_held(&ar->conf_mutex);
- ret = ath10k_peer_assoc_prepare(ar, arvif, sta, NULL, &peer_arg);
+ ret = ath10k_peer_assoc_prepare(ar, vif, sta, &peer_arg);
if (ret) {
ath10k_warn(ar, "failed to prepare WMI peer assoc for %pM vdev %i: %i\n",
sta->addr, arvif->vdev_id, ret);
return ret;
}
- ret = ath10k_setup_peer_smps(ar, arvif, sta->addr, &sta->ht_cap);
- if (ret) {
- ath10k_warn(ar, "failed to setup peer SMPS for vdev %d: %d\n",
- arvif->vdev_id, ret);
- return ret;
- }
-
- if (!sta->wme && !reassoc) {
- arvif->num_legacy_stations++;
- ret = ath10k_recalc_rtscts_prot(arvif);
+ /* Re-assoc is run only to update supported rates for given station. It
+ * doesn't make much sense to reconfigure the peer completely.
+ */
+ if (!reassoc) {
+ ret = ath10k_setup_peer_smps(ar, arvif, sta->addr,
+ &sta->ht_cap);
if (ret) {
- ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n",
+ ath10k_warn(ar, "failed to setup peer SMPS for vdev %d: %d\n",
arvif->vdev_id, ret);
return ret;
}
- }
- ret = ath10k_install_peer_wep_keys(arvif, sta->addr);
- if (ret) {
- ath10k_warn(ar, "failed to install peer wep keys for vdev %i: %d\n",
- arvif->vdev_id, ret);
- return ret;
- }
+ ret = ath10k_peer_assoc_qos_ap(ar, arvif, sta);
+ if (ret) {
+ ath10k_warn(ar, "failed to set qos params for STA %pM for vdev %i: %d\n",
+ sta->addr, arvif->vdev_id, ret);
+ return ret;
+ }
- ret = ath10k_peer_assoc_qos_ap(ar, arvif, sta);
- if (ret) {
- ath10k_warn(ar, "failed to set qos params for STA %pM for vdev %i: %d\n",
- sta->addr, arvif->vdev_id, ret);
- return ret;
+ if (!sta->wme) {
+ arvif->num_legacy_stations++;
+ ret = ath10k_recalc_rtscts_prot(arvif);
+ if (ret) {
+ ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+ }
+
+ /* Plumb cached keys only for static WEP */
+ if (arvif->def_wep_key_idx != -1) {
+ ret = ath10k_install_peer_wep_keys(arvif, sta->addr);
+ if (ret) {
+ ath10k_warn(ar, "failed to install peer wep keys for vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+ }
}
return ret;
}
-static int ath10k_station_disassoc(struct ath10k *ar, struct ath10k_vif *arvif,
+static int ath10k_station_disassoc(struct ath10k *ar,
+ struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
+ struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
int ret = 0;
lockdep_assert_held(&ar->conf_mutex);
ch->passive = passive;
ch->freq = channel->center_freq;
+ ch->band_center_freq1 = channel->center_freq;
ch->min_power = 0;
ch->max_power = channel->max_power * 2;
ch->max_reg_power = channel->max_reg_power * 2;
* used only for CQM purposes (e.g. hostapd station keepalive ping) so
* it is safe to downgrade to NullFunc.
*/
+ hdr = (void *)skb->data;
if (ieee80211_is_qos_nullfunc(hdr->frame_control)) {
hdr->frame_control &= ~__cpu_to_le16(IEEE80211_STYPE_QOS_DATA);
cb->htt.tid = HTT_DATA_TX_EXT_TID_NON_QOS_MCAST_BCAST;
}
}
-static void ath10k_tx_wep_key_work(struct work_struct *work)
-{
- struct ath10k_vif *arvif = container_of(work, struct ath10k_vif,
- wep_key_work);
- struct ath10k *ar = arvif->ar;
- int ret, keyidx = arvif->def_wep_key_newidx;
-
- mutex_lock(&arvif->ar->conf_mutex);
-
- if (arvif->ar->state != ATH10K_STATE_ON)
- goto unlock;
-
- if (arvif->def_wep_key_idx == keyidx)
- goto unlock;
-
- ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d set keyidx %d\n",
- arvif->vdev_id, keyidx);
-
- ret = ath10k_wmi_vdev_set_param(arvif->ar,
- arvif->vdev_id,
- arvif->ar->wmi.vdev_param->def_keyid,
- keyidx);
- if (ret) {
- ath10k_warn(ar, "failed to update wep key index for vdev %d: %d\n",
- arvif->vdev_id,
- ret);
- goto unlock;
- }
-
- arvif->def_wep_key_idx = keyidx;
-
-unlock:
- mutex_unlock(&arvif->ar->conf_mutex);
-}
-
-static void ath10k_tx_h_update_wep_key(struct ieee80211_vif *vif,
- struct ieee80211_key_conf *key,
- struct sk_buff *skb)
-{
- struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
- struct ath10k *ar = arvif->ar;
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
-
- if (!ieee80211_has_protected(hdr->frame_control))
- return;
-
- if (!key)
- return;
-
- if (key->cipher != WLAN_CIPHER_SUITE_WEP40 &&
- key->cipher != WLAN_CIPHER_SUITE_WEP104)
- return;
-
- if (key->keyidx == arvif->def_wep_key_idx)
- return;
-
- /* FIXME: Most likely a few frames will be TXed with an old key. Simply
- * queueing frames until key index is updated is not an option because
- * sk_buff may need more processing to be done, e.g. offchannel */
- arvif->def_wep_key_newidx = key->keyidx;
- ieee80211_queue_work(ar->hw, &arvif->wep_key_work);
-}
-
static void ath10k_tx_h_add_p2p_noa_ie(struct ath10k *ar,
struct ieee80211_vif *vif,
struct sk_buff *skb)
}
}
+static bool ath10k_mac_need_offchan_tx_work(struct ath10k *ar)
+{
+ /* FIXME: Not really sure since when the behaviour changed. At some
+ * point new firmware stopped requiring creation of peer entries for
+ * offchannel tx (and actually creating them causes issues with wmi-htc
+ * tx credit replenishment and reliability). Assuming it's at least 3.4
+ * because that's when the `freq` was introduced to TX_FRM HTT command.
+ */
+ return !(ar->htt.target_version_major >= 3 &&
+ ar->htt.target_version_minor >= 4);
+}
+
static void ath10k_tx_htt(struct ath10k *ar, struct sk_buff *skb)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
ret = wait_for_completion_timeout(&ar->offchan_tx_completed,
3 * HZ);
- if (ret <= 0)
+ if (ret == 0)
ath10k_warn(ar, "timed out waiting for offchannel skb %p\n",
skb);
case ATH10K_SCAN_IDLE:
break;
case ATH10K_SCAN_RUNNING:
- case ATH10K_SCAN_ABORTING:
if (ar->scan.is_roc)
ieee80211_remain_on_channel_expired(ar->hw);
- else
+ /* fall through */
+ case ATH10K_SCAN_ABORTING:
+ if (!ar->scan.is_roc)
ieee80211_scan_completed(ar->hw,
(ar->scan.state ==
ATH10K_SCAN_ABORTING));
struct ath10k *ar = hw->priv;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_vif *vif = info->control.vif;
- struct ieee80211_key_conf *key = info->control.hw_key;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
/* We should disable CCK RATE due to P2P */
/* it makes no sense to process injected frames like that */
if (vif && vif->type != NL80211_IFTYPE_MONITOR) {
ath10k_tx_h_nwifi(hw, skb);
- ath10k_tx_h_update_wep_key(vif, key, skb);
ath10k_tx_h_add_p2p_noa_ie(ar, vif, skb);
ath10k_tx_h_seq_no(vif, skb);
}
if (info->flags & IEEE80211_TX_CTL_TX_OFFCHAN) {
spin_lock_bh(&ar->data_lock);
- ATH10K_SKB_CB(skb)->htt.is_offchan = true;
+ ATH10K_SKB_CB(skb)->htt.freq = ar->scan.roc_freq;
ATH10K_SKB_CB(skb)->vdev_id = ar->scan.vdev_id;
spin_unlock_bh(&ar->data_lock);
- ath10k_dbg(ar, ATH10K_DBG_MAC, "queued offchannel skb %p\n",
- skb);
+ if (ath10k_mac_need_offchan_tx_work(ar)) {
+ ATH10K_SKB_CB(skb)->htt.freq = 0;
+ ATH10K_SKB_CB(skb)->htt.is_offchan = true;
- skb_queue_tail(&ar->offchan_tx_queue, skb);
- ieee80211_queue_work(hw, &ar->offchan_tx_work);
- return;
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "queued offchannel skb %p\n",
+ skb);
+
+ skb_queue_tail(&ar->offchan_tx_queue, skb);
+ ieee80211_queue_work(hw, &ar->offchan_tx_work);
+ return;
+ }
}
ath10k_tx_htt(ar, skb);
}
/* Must not be called with conf_mutex held as workers can use that also. */
-static void ath10k_drain_tx(struct ath10k *ar)
+void ath10k_drain_tx(struct ath10k *ar)
{
/* make sure rcu-protected mac80211 tx path itself is drained */
synchronize_net();
ath10k_hif_power_down(ar);
spin_lock_bh(&ar->data_lock);
- list_for_each_entry(arvif, &ar->arvifs, list) {
- if (!arvif->beacon)
- continue;
-
- dma_unmap_single(arvif->ar->dev,
- ATH10K_SKB_CB(arvif->beacon)->paddr,
- arvif->beacon->len, DMA_TO_DEVICE);
- dev_kfree_skb_any(arvif->beacon);
- arvif->beacon = NULL;
- }
+ list_for_each_entry(arvif, &ar->arvifs, list)
+ ath10k_mac_vif_beacon_cleanup(arvif);
spin_unlock_bh(&ar->data_lock);
}
return 0;
}
+static void ath10k_check_chain_mask(struct ath10k *ar, u32 cm, const char *dbg)
+{
+ /* It is not clear that allowing gaps in chainmask
+ * is helpful. Probably it will not do what user
+ * is hoping for, so warn in that case.
+ */
+ if (cm == 15 || cm == 7 || cm == 3 || cm == 1 || cm == 0)
+ return;
+
+ ath10k_warn(ar, "mac %s antenna chainmask may be invalid: 0x%x. Suggested values: 15, 7, 3, 1 or 0.\n",
+ dbg, cm);
+}
+
static int __ath10k_set_antenna(struct ath10k *ar, u32 tx_ant, u32 rx_ant)
{
int ret;
lockdep_assert_held(&ar->conf_mutex);
+ ath10k_check_chain_mask(ar, tx_ant, "tx");
+ ath10k_check_chain_mask(ar, rx_ant, "rx");
+
ar->cfg_tx_chainmask = tx_ant;
ar->cfg_rx_chainmask = rx_ant;
ath10k_monitor_recalc(ar);
}
+static int ath10k_mac_txpower_setup(struct ath10k *ar, int txpower)
+{
+ int ret;
+ u32 param;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac txpower %d\n", txpower);
+
+ param = ar->wmi.pdev_param->txpower_limit2g;
+ ret = ath10k_wmi_pdev_set_param(ar, param, txpower * 2);
+ if (ret) {
+ ath10k_warn(ar, "failed to set 2g txpower %d: %d\n",
+ txpower, ret);
+ return ret;
+ }
+
+ param = ar->wmi.pdev_param->txpower_limit5g;
+ ret = ath10k_wmi_pdev_set_param(ar, param, txpower * 2);
+ if (ret) {
+ ath10k_warn(ar, "failed to set 5g txpower %d: %d\n",
+ txpower, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int ath10k_mac_txpower_recalc(struct ath10k *ar)
+{
+ struct ath10k_vif *arvif;
+ int ret, txpower = -1;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ list_for_each_entry(arvif, &ar->arvifs, list) {
+ WARN_ON(arvif->txpower < 0);
+
+ if (txpower == -1)
+ txpower = arvif->txpower;
+ else
+ txpower = min(txpower, arvif->txpower);
+ }
+
+ if (WARN_ON(txpower == -1))
+ return -EINVAL;
+
+ ret = ath10k_mac_txpower_setup(ar, txpower);
+ if (ret) {
+ ath10k_warn(ar, "failed to setup tx power %d: %d\n",
+ txpower, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
static int ath10k_config(struct ieee80211_hw *hw, u32 changed)
{
struct ath10k *ar = hw->priv;
struct ieee80211_conf *conf = &hw->conf;
int ret = 0;
- u32 param;
mutex_lock(&ar->conf_mutex);
}
}
- if (changed & IEEE80211_CONF_CHANGE_POWER) {
- ath10k_dbg(ar, ATH10K_DBG_MAC, "mac config power %d\n",
- hw->conf.power_level);
-
- param = ar->wmi.pdev_param->txpower_limit2g;
- ret = ath10k_wmi_pdev_set_param(ar, param,
- hw->conf.power_level * 2);
- if (ret)
- ath10k_warn(ar, "failed to set 2g txpower %d: %d\n",
- hw->conf.power_level, ret);
-
- param = ar->wmi.pdev_param->txpower_limit5g;
- ret = ath10k_wmi_pdev_set_param(ar, param,
- hw->conf.power_level * 2);
- if (ret)
- ath10k_warn(ar, "failed to set 5g txpower %d: %d\n",
- hw->conf.power_level, ret);
- }
-
if (changed & IEEE80211_CONF_CHANGE_PS)
ath10k_config_ps(ar);
return ret;
}
+static u32 get_nss_from_chainmask(u16 chain_mask)
+{
+ if ((chain_mask & 0x15) == 0x15)
+ return 4;
+ else if ((chain_mask & 0x7) == 0x7)
+ return 3;
+ else if ((chain_mask & 0x3) == 0x3)
+ return 2;
+ return 1;
+}
+
/*
* TODO:
* Figure out how to handle WMI_VDEV_SUBTYPE_P2P_DEVICE,
int bit;
u32 vdev_param;
+ vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD;
+
mutex_lock(&ar->conf_mutex);
memset(arvif, 0, sizeof(*arvif));
arvif->ar = ar;
arvif->vif = vif;
- INIT_WORK(&arvif->wep_key_work, ath10k_tx_wep_key_work);
INIT_LIST_HEAD(&arvif->list);
if (ar->free_vdev_map == 0) {
ret = -EBUSY;
goto err;
}
- bit = ffs(ar->free_vdev_map);
+ bit = __ffs64(ar->free_vdev_map);
- arvif->vdev_id = bit - 1;
- arvif->vdev_subtype = WMI_VDEV_SUBTYPE_NONE;
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac create vdev %i map %llx\n",
+ bit, ar->free_vdev_map);
- if (ar->p2p)
- arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_DEVICE;
+ arvif->vdev_id = bit;
+ arvif->vdev_subtype = WMI_VDEV_SUBTYPE_NONE;
switch (vif->type) {
+ case NL80211_IFTYPE_P2P_DEVICE:
+ arvif->vdev_type = WMI_VDEV_TYPE_STA;
+ arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_DEVICE;
+ break;
case NL80211_IFTYPE_UNSPECIFIED:
case NL80211_IFTYPE_STATION:
arvif->vdev_type = WMI_VDEV_TYPE_STA;
break;
}
- ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev create %d (add interface) type %d subtype %d\n",
- arvif->vdev_id, arvif->vdev_type, arvif->vdev_subtype);
+ /* Some firmware revisions don't wait for beacon tx completion before
+ * sending another SWBA event. This could lead to hardware using old
+ * (freed) beacon data in some cases, e.g. tx credit starvation
+ * combined with missed TBTT. This is very very rare.
+ *
+ * On non-IOMMU-enabled hosts this could be a possible security issue
+ * because hw could beacon some random data on the air. On
+ * IOMMU-enabled hosts DMAR faults would occur in most cases and target
+ * device would crash.
+ *
+ * Since there are no beacon tx completions (implicit nor explicit)
+ * propagated to host the only workaround for this is to allocate a
+ * DMA-coherent buffer for a lifetime of a vif and use it for all
+ * beacon tx commands. Worst case for this approach is some beacons may
+ * become corrupted, e.g. have garbled IEs or out-of-date TIM bitmap.
+ */
+ if (vif->type == NL80211_IFTYPE_ADHOC ||
+ vif->type == NL80211_IFTYPE_AP) {
+ arvif->beacon_buf = dma_zalloc_coherent(ar->dev,
+ IEEE80211_MAX_FRAME_LEN,
+ &arvif->beacon_paddr,
+ GFP_ATOMIC);
+ if (!arvif->beacon_buf) {
+ ret = -ENOMEM;
+ ath10k_warn(ar, "failed to allocate beacon buffer: %d\n",
+ ret);
+ goto err;
+ }
+ }
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev create %d (add interface) type %d subtype %d bcnmode %s\n",
+ arvif->vdev_id, arvif->vdev_type, arvif->vdev_subtype,
+ arvif->beacon_buf ? "single-buf" : "per-skb");
ret = ath10k_wmi_vdev_create(ar, arvif->vdev_id, arvif->vdev_type,
arvif->vdev_subtype, vif->addr);
goto err;
}
- ar->free_vdev_map &= ~(1 << arvif->vdev_id);
+ ar->free_vdev_map &= ~(1LL << arvif->vdev_id);
list_add(&arvif->list, &ar->arvifs);
- vdev_param = ar->wmi.vdev_param->def_keyid;
- ret = ath10k_wmi_vdev_set_param(ar, 0, vdev_param,
- arvif->def_wep_key_idx);
+ /* It makes no sense to have firmware do keepalives. mac80211 already
+ * takes care of this with idle connection polling.
+ */
+ ret = ath10k_mac_vif_disable_keepalive(arvif);
if (ret) {
- ath10k_warn(ar, "failed to set vdev %i default key id: %d\n",
+ ath10k_warn(ar, "failed to disable keepalive on vdev %i: %d\n",
arvif->vdev_id, ret);
goto err_vdev_delete;
}
+ arvif->def_wep_key_idx = -1;
+
vdev_param = ar->wmi.vdev_param->tx_encap_type;
ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
ATH10K_HW_TXRX_NATIVE_WIFI);
goto err_vdev_delete;
}
+ if (ar->cfg_tx_chainmask) {
+ u16 nss = get_nss_from_chainmask(ar->cfg_tx_chainmask);
+
+ vdev_param = ar->wmi.vdev_param->nss;
+ ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
+ nss);
+ if (ret) {
+ ath10k_warn(ar, "failed to set vdev %i chainmask 0x%x, nss %i: %d\n",
+ arvif->vdev_id, ar->cfg_tx_chainmask, nss,
+ ret);
+ goto err_vdev_delete;
+ }
+ }
+
if (arvif->vdev_type == WMI_VDEV_TYPE_AP) {
ret = ath10k_peer_create(ar, arvif->vdev_id, vif->addr);
if (ret) {
goto err_peer_delete;
}
- param = WMI_STA_PS_PARAM_TX_WAKE_THRESHOLD;
- value = WMI_STA_PS_TX_WAKE_THRESHOLD_ALWAYS;
- ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
- param, value);
+ ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif);
if (ret) {
- ath10k_warn(ar, "failed to set vdev %i TX wake thresh: %d\n",
+ ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n",
arvif->vdev_id, ret);
goto err_peer_delete;
}
- param = WMI_STA_PS_PARAM_PSPOLL_COUNT;
- value = WMI_STA_PS_PSPOLL_COUNT_NO_MAX;
- ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
- param, value);
+ ret = ath10k_mac_vif_recalc_ps_poll_count(arvif);
if (ret) {
- ath10k_warn(ar, "failed to set vdev %i PSPOLL count: %d\n",
+ ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n",
arvif->vdev_id, ret);
goto err_peer_delete;
}
goto err_peer_delete;
}
+ arvif->txpower = vif->bss_conf.txpower;
+ ret = ath10k_mac_txpower_recalc(ar);
+ if (ret) {
+ ath10k_warn(ar, "failed to recalc tx power: %d\n", ret);
+ goto err_peer_delete;
+ }
+
mutex_unlock(&ar->conf_mutex);
return 0;
err_vdev_delete:
ath10k_wmi_vdev_delete(ar, arvif->vdev_id);
- ar->free_vdev_map |= 1 << arvif->vdev_id;
+ ar->free_vdev_map |= 1LL << arvif->vdev_id;
list_del(&arvif->list);
err:
+ if (arvif->beacon_buf) {
+ dma_free_coherent(ar->dev, IEEE80211_MAX_FRAME_LEN,
+ arvif->beacon_buf, arvif->beacon_paddr);
+ arvif->beacon_buf = NULL;
+ }
+
mutex_unlock(&ar->conf_mutex);
return ret;
mutex_lock(&ar->conf_mutex);
- cancel_work_sync(&arvif->wep_key_work);
-
spin_lock_bh(&ar->data_lock);
- if (arvif->beacon) {
- dma_unmap_single(arvif->ar->dev,
- ATH10K_SKB_CB(arvif->beacon)->paddr,
- arvif->beacon->len, DMA_TO_DEVICE);
- dev_kfree_skb_any(arvif->beacon);
- arvif->beacon = NULL;
- }
-
+ ath10k_mac_vif_beacon_cleanup(arvif);
spin_unlock_bh(&ar->data_lock);
ret = ath10k_spectral_vif_stop(arvif);
ath10k_warn(ar, "failed to stop spectral for vdev %i: %d\n",
arvif->vdev_id, ret);
- ar->free_vdev_map |= 1 << arvif->vdev_id;
+ ar->free_vdev_map |= 1LL << arvif->vdev_id;
list_del(&arvif->list);
if (arvif->vdev_type == WMI_VDEV_TYPE_AP) {
if (ret)
ath10k_warn(ar, "failed to set beacon mode for vdev %d: %i\n",
arvif->vdev_id, ret);
+
+ ret = ath10k_mac_setup_bcn_tmpl(arvif);
+ if (ret)
+ ath10k_warn(ar, "failed to update beacon template: %d\n",
+ ret);
+ }
+
+ if (changed & BSS_CHANGED_AP_PROBE_RESP) {
+ ret = ath10k_mac_setup_prb_tmpl(arvif);
+ if (ret)
+ ath10k_warn(ar, "failed to setup probe resp template on vdev %i: %d\n",
+ arvif->vdev_id, ret);
}
- if (changed & BSS_CHANGED_BEACON_INFO) {
+ if (changed & (BSS_CHANGED_BEACON_INFO | BSS_CHANGED_BEACON)) {
arvif->dtim_period = info->dtim_period;
ath10k_dbg(ar, ATH10K_DBG_MAC,
arvif->u.ap.hidden_ssid = info->hidden_ssid;
}
- /*
- * Firmware manages AP self-peer internally so make sure to not create
- * it in driver. Otherwise AP self-peer deletion may timeout later.
- */
- if (changed & BSS_CHANGED_BSSID &&
- vif->type != NL80211_IFTYPE_AP) {
- if (!is_zero_ether_addr(info->bssid)) {
- ath10k_dbg(ar, ATH10K_DBG_MAC,
- "mac vdev %d create peer %pM\n",
- arvif->vdev_id, info->bssid);
-
- ret = ath10k_peer_create(ar, arvif->vdev_id,
- info->bssid);
- if (ret)
- ath10k_warn(ar, "failed to add peer %pM for vdev %d when changing bssid: %i\n",
- info->bssid, arvif->vdev_id, ret);
-
- if (vif->type == NL80211_IFTYPE_STATION) {
- /*
- * this is never erased as we it for crypto key
- * clearing; this is FW requirement
- */
- ether_addr_copy(arvif->bssid, info->bssid);
-
- ath10k_dbg(ar, ATH10K_DBG_MAC,
- "mac vdev %d start %pM\n",
- arvif->vdev_id, info->bssid);
-
- ret = ath10k_vdev_start(arvif);
- if (ret) {
- ath10k_warn(ar, "failed to start vdev %i: %d\n",
- arvif->vdev_id, ret);
- goto exit;
- }
-
- arvif->is_started = true;
- }
-
- /*
- * Mac80211 does not keep IBSS bssid when leaving IBSS,
- * so driver need to store it. It is needed when leaving
- * IBSS in order to remove BSSID peer.
- */
- if (vif->type == NL80211_IFTYPE_ADHOC)
- memcpy(arvif->bssid, info->bssid,
- ETH_ALEN);
- }
- }
+ if (changed & BSS_CHANGED_BSSID && !is_zero_ether_addr(info->bssid))
+ ether_addr_copy(arvif->bssid, info->bssid);
if (changed & BSS_CHANGED_BEACON_ENABLED)
ath10k_control_beaconing(arvif, info);
ath10k_monitor_stop(ar);
ath10k_bss_assoc(hw, vif, info);
ath10k_monitor_recalc(ar);
+ } else {
+ ath10k_bss_disassoc(hw, vif);
}
}
-exit:
+ if (changed & BSS_CHANGED_TXPOWER) {
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev_id %i txpower %d\n",
+ arvif->vdev_id, info->txpower);
+
+ arvif->txpower = info->txpower;
+ ret = ath10k_mac_txpower_recalc(ar);
+ if (ret)
+ ath10k_warn(ar, "failed to recalc tx power: %d\n", ret);
+ }
+
+ if (changed & BSS_CHANGED_PS) {
+ ret = ath10k_mac_vif_setup_ps(arvif);
+ if (ret)
+ ath10k_warn(ar, "failed to setup ps on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ }
+
mutex_unlock(&ar->conf_mutex);
}
struct ath10k *ar = hw->priv;
mutex_lock(&ar->conf_mutex);
- cancel_delayed_work_sync(&ar->scan.timeout);
ath10k_scan_abort(ar);
mutex_unlock(&ar->conf_mutex);
+
+ cancel_delayed_work_sync(&ar->scan.timeout);
}
static void ath10k_set_key_h_def_keyidx(struct ath10k *ar,
const u8 *peer_addr;
bool is_wep = key->cipher == WLAN_CIPHER_SUITE_WEP40 ||
key->cipher == WLAN_CIPHER_SUITE_WEP104;
+ bool def_idx = false;
int ret = 0;
if (key->keyidx > WMI_MAX_KEY_INDEX)
ath10k_clear_vdev_key(arvif, key);
}
- ret = ath10k_install_key(arvif, key, cmd, peer_addr);
+ /* set TX_USAGE flag for all the keys incase of dot1x-WEP. For
+ * static WEP, do not set this flag for the keys whose key id
+ * is greater than default key id.
+ */
+ if (arvif->def_wep_key_idx == -1)
+ def_idx = true;
+
+ ret = ath10k_install_key(arvif, key, cmd, peer_addr, def_idx);
if (ret) {
ath10k_warn(ar, "failed to install key for vdev %i peer %pM: %d\n",
arvif->vdev_id, peer_addr, ret);
return ret;
}
+static void ath10k_set_default_unicast_key(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ int keyidx)
+{
+ struct ath10k *ar = hw->priv;
+ struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
+ int ret;
+
+ mutex_lock(&arvif->ar->conf_mutex);
+
+ if (arvif->ar->state != ATH10K_STATE_ON)
+ goto unlock;
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d set keyidx %d\n",
+ arvif->vdev_id, keyidx);
+
+ ret = ath10k_wmi_vdev_set_param(arvif->ar,
+ arvif->vdev_id,
+ arvif->ar->wmi.vdev_param->def_keyid,
+ keyidx);
+
+ if (ret) {
+ ath10k_warn(ar, "failed to update wep key index for vdev %d: %d\n",
+ arvif->vdev_id,
+ ret);
+ goto unlock;
+ }
+
+ arvif->def_wep_key_idx = keyidx;
+unlock:
+ mutex_unlock(&arvif->ar->conf_mutex);
+}
+
static void ath10k_sta_rc_update_wk(struct work_struct *wk)
{
struct ath10k *ar;
sta->addr, smps, err);
}
- if (changed & IEEE80211_RC_SUPP_RATES_CHANGED) {
- ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM supp rates\n",
+ if (changed & IEEE80211_RC_SUPP_RATES_CHANGED ||
+ changed & IEEE80211_RC_NSS_CHANGED) {
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM supp rates/nss\n",
sta->addr);
- err = ath10k_station_assoc(ar, arvif, sta, true);
+ err = ath10k_station_assoc(ar, arvif->vif, sta, true);
if (err)
ath10k_warn(ar, "failed to reassociate station: %pM\n",
sta->addr);
mutex_unlock(&ar->conf_mutex);
}
+static int ath10k_mac_inc_num_stations(struct ath10k_vif *arvif)
+{
+ struct ath10k *ar = arvif->ar;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ if (arvif->vdev_type != WMI_VDEV_TYPE_AP &&
+ arvif->vdev_type != WMI_VDEV_TYPE_IBSS)
+ return 0;
+
+ if (ar->num_stations >= ar->max_num_stations)
+ return -ENOBUFS;
+
+ ar->num_stations++;
+
+ return 0;
+}
+
+static void ath10k_mac_dec_num_stations(struct ath10k_vif *arvif)
+{
+ struct ath10k *ar = arvif->ar;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ if (arvif->vdev_type != WMI_VDEV_TYPE_AP &&
+ arvif->vdev_type != WMI_VDEV_TYPE_IBSS)
+ return;
+
+ ar->num_stations--;
+}
+
static int ath10k_sta_state(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct ath10k *ar = hw->priv;
struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
- int max_num_peers;
int ret = 0;
if (old_state == IEEE80211_STA_NOTEXIST &&
mutex_lock(&ar->conf_mutex);
if (old_state == IEEE80211_STA_NOTEXIST &&
- new_state == IEEE80211_STA_NONE &&
- vif->type != NL80211_IFTYPE_STATION) {
+ new_state == IEEE80211_STA_NONE) {
/*
* New station addition.
*/
- if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features))
- max_num_peers = TARGET_10X_NUM_PEERS_MAX - 1;
- else
- max_num_peers = TARGET_NUM_PEERS;
+ ath10k_dbg(ar, ATH10K_DBG_MAC,
+ "mac vdev %d peer create %pM (new sta) sta %d / %d peer %d / %d\n",
+ arvif->vdev_id, sta->addr,
+ ar->num_stations + 1, ar->max_num_stations,
+ ar->num_peers + 1, ar->max_num_peers);
- if (ar->num_peers >= max_num_peers) {
- ath10k_warn(ar, "number of peers exceeded: peers number %d (max peers %d)\n",
- ar->num_peers, max_num_peers);
- ret = -ENOBUFS;
+ ret = ath10k_mac_inc_num_stations(arvif);
+ if (ret) {
+ ath10k_warn(ar, "refusing to associate station: too many connected already (%d)\n",
+ ar->max_num_stations);
goto exit;
}
- ath10k_dbg(ar, ATH10K_DBG_MAC,
- "mac vdev %d peer create %pM (new sta) num_peers %d\n",
- arvif->vdev_id, sta->addr, ar->num_peers);
-
ret = ath10k_peer_create(ar, arvif->vdev_id, sta->addr);
- if (ret)
+ if (ret) {
ath10k_warn(ar, "failed to add peer %pM for vdev %d when adding a new sta: %i\n",
sta->addr, arvif->vdev_id, ret);
+ ath10k_mac_dec_num_stations(arvif);
+ goto exit;
+ }
+
+ if (vif->type == NL80211_IFTYPE_STATION) {
+ WARN_ON(arvif->is_started);
+
+ ret = ath10k_vdev_start(arvif);
+ if (ret) {
+ ath10k_warn(ar, "failed to start vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ WARN_ON(ath10k_peer_delete(ar, arvif->vdev_id,
+ sta->addr));
+ ath10k_mac_dec_num_stations(arvif);
+ goto exit;
+ }
+
+ arvif->is_started = true;
+ }
} else if ((old_state == IEEE80211_STA_NONE &&
new_state == IEEE80211_STA_NOTEXIST)) {
/*
ath10k_dbg(ar, ATH10K_DBG_MAC,
"mac vdev %d peer delete %pM (sta gone)\n",
arvif->vdev_id, sta->addr);
+
+ if (vif->type == NL80211_IFTYPE_STATION) {
+ WARN_ON(!arvif->is_started);
+
+ ret = ath10k_vdev_stop(arvif);
+ if (ret)
+ ath10k_warn(ar, "failed to stop vdev %i: %d\n",
+ arvif->vdev_id, ret);
+
+ arvif->is_started = false;
+ }
+
ret = ath10k_peer_delete(ar, arvif->vdev_id, sta->addr);
if (ret)
ath10k_warn(ar, "failed to delete peer %pM for vdev %d: %i\n",
sta->addr, arvif->vdev_id, ret);
- if (vif->type == NL80211_IFTYPE_STATION)
- ath10k_bss_disassoc(hw, vif);
+ ath10k_mac_dec_num_stations(arvif);
} else if (old_state == IEEE80211_STA_AUTH &&
new_state == IEEE80211_STA_ASSOC &&
(vif->type == NL80211_IFTYPE_AP ||
ath10k_dbg(ar, ATH10K_DBG_MAC, "mac sta %pM associated\n",
sta->addr);
- ret = ath10k_station_assoc(ar, arvif, sta, false);
+ ret = ath10k_station_assoc(ar, vif, sta, false);
if (ret)
ath10k_warn(ar, "failed to associate station %pM for vdev %i: %i\n",
sta->addr, arvif->vdev_id, ret);
ath10k_dbg(ar, ATH10K_DBG_MAC, "mac sta %pM disassociated\n",
sta->addr);
- ret = ath10k_station_disassoc(ar, arvif, sta);
+ ret = ath10k_station_disassoc(ar, vif, sta);
if (ret)
ath10k_warn(ar, "failed to disassociate station: %pM vdev %i: %i\n",
sta->addr, arvif->vdev_id, ret);
u16 ac, bool enable)
{
struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
+ struct wmi_sta_uapsd_auto_trig_arg arg = {};
+ u32 prio = 0, acc = 0;
u32 value = 0;
int ret = 0;
case IEEE80211_AC_VO:
value = WMI_STA_PS_UAPSD_AC3_DELIVERY_EN |
WMI_STA_PS_UAPSD_AC3_TRIGGER_EN;
+ prio = 7;
+ acc = 3;
break;
case IEEE80211_AC_VI:
value = WMI_STA_PS_UAPSD_AC2_DELIVERY_EN |
WMI_STA_PS_UAPSD_AC2_TRIGGER_EN;
+ prio = 5;
+ acc = 2;
break;
case IEEE80211_AC_BE:
value = WMI_STA_PS_UAPSD_AC1_DELIVERY_EN |
WMI_STA_PS_UAPSD_AC1_TRIGGER_EN;
+ prio = 2;
+ acc = 1;
break;
case IEEE80211_AC_BK:
value = WMI_STA_PS_UAPSD_AC0_DELIVERY_EN |
WMI_STA_PS_UAPSD_AC0_TRIGGER_EN;
+ prio = 0;
+ acc = 0;
break;
}
if (ret)
ath10k_warn(ar, "failed to set rx wake param: %d\n", ret);
+ ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif);
+ if (ret) {
+ ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+
+ ret = ath10k_mac_vif_recalc_ps_poll_count(arvif);
+ if (ret) {
+ ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+
+ if (test_bit(WMI_SERVICE_STA_UAPSD_BASIC_AUTO_TRIG, ar->wmi.svc_map) ||
+ test_bit(WMI_SERVICE_STA_UAPSD_VAR_AUTO_TRIG, ar->wmi.svc_map)) {
+ /* Only userspace can make an educated decision when to send
+ * trigger frame. The following effectively disables u-UAPSD
+ * autotrigger in firmware (which is enabled by default
+ * provided the autotrigger service is available).
+ */
+
+ arg.wmm_ac = acc;
+ arg.user_priority = prio;
+ arg.service_interval = 0;
+ arg.suspend_interval = WMI_STA_UAPSD_MAX_INTERVAL_MSEC;
+ arg.delay_interval = WMI_STA_UAPSD_MAX_INTERVAL_MSEC;
+
+ ret = ath10k_wmi_vdev_sta_uapsd(ar, arvif->vdev_id,
+ arvif->bssid, &arg, 1);
+ if (ret) {
+ ath10k_warn(ar, "failed to set uapsd auto trigger %d\n",
+ ret);
+ return ret;
+ }
+ }
+
exit:
return ret;
}
const struct ieee80211_tx_queue_params *params)
{
struct ath10k *ar = hw->priv;
+ struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
struct wmi_wmm_params_arg *p = NULL;
int ret;
switch (ac) {
case IEEE80211_AC_VO:
- p = &ar->wmm_params.ac_vo;
+ p = &arvif->wmm_params.ac_vo;
break;
case IEEE80211_AC_VI:
- p = &ar->wmm_params.ac_vi;
+ p = &arvif->wmm_params.ac_vi;
break;
case IEEE80211_AC_BE:
- p = &ar->wmm_params.ac_be;
+ p = &arvif->wmm_params.ac_be;
break;
case IEEE80211_AC_BK:
- p = &ar->wmm_params.ac_bk;
+ p = &arvif->wmm_params.ac_bk;
break;
}
*/
p->txop = params->txop * 32;
- /* FIXME: FW accepts wmm params per hw, not per vif */
- ret = ath10k_wmi_pdev_set_wmm_params(ar, &ar->wmm_params);
- if (ret) {
- ath10k_warn(ar, "failed to set wmm params: %d\n", ret);
- goto exit;
+ if (ar->wmi.ops->gen_vdev_wmm_conf) {
+ ret = ath10k_wmi_vdev_wmm_conf(ar, arvif->vdev_id,
+ &arvif->wmm_params);
+ if (ret) {
+ ath10k_warn(ar, "failed to set vdev wmm params on vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ goto exit;
+ }
+ } else {
+ /* This won't work well with multi-interface cases but it's
+ * better than nothing.
+ */
+ ret = ath10k_wmi_pdev_set_wmm_params(ar, &arvif->wmm_params);
+ if (ret) {
+ ath10k_warn(ar, "failed to set wmm params: %d\n", ret);
+ goto exit;
+ }
}
ret = ath10k_conf_tx_uapsd(ar, vif, ac, params->uapsd);
if (ret)
goto exit;
+ duration = max(duration, WMI_SCAN_CHAN_MIN_TIME_MSEC);
+
memset(&arg, 0, sizeof(arg));
ath10k_wmi_start_scan_init(ar, &arg);
arg.vdev_id = arvif->vdev_id;
struct ath10k *ar = hw->priv;
mutex_lock(&ar->conf_mutex);
- cancel_delayed_work_sync(&ar->scan.timeout);
ath10k_scan_abort(ar);
mutex_unlock(&ar->conf_mutex);
+ cancel_delayed_work_sync(&ar->scan.timeout);
+
return 0;
}
return ret;
}
-static int ath10k_set_frag_threshold(struct ieee80211_hw *hw, u32 value)
-{
- struct ath10k *ar = hw->priv;
- struct ath10k_vif *arvif;
- int ret = 0;
-
- mutex_lock(&ar->conf_mutex);
- list_for_each_entry(arvif, &ar->arvifs, list) {
- ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d fragmentation threshold %d\n",
- arvif->vdev_id, value);
-
- ret = ath10k_mac_set_rts(arvif, value);
- if (ret) {
- ath10k_warn(ar, "failed to set fragmentation threshold for vdev %d: %d\n",
- arvif->vdev_id, ret);
- break;
- }
- }
- mutex_unlock(&ar->conf_mutex);
-
- return ret;
-}
-
static void ath10k_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
u32 queues, bool drop)
{
empty = (ar->htt.num_pending_tx == 0);
spin_unlock_bh(&ar->htt.tx_lock);
- skip = (ar->state == ATH10K_STATE_WEDGED);
+ skip = (ar->state == ATH10K_STATE_WEDGED) ||
+ test_bit(ATH10K_FLAG_CRASH_FLUSH,
+ &ar->dev_flags);
(empty || skip);
}), ATH10K_FLUSH_TIMEOUT_HZ);
}
#endif
-static void ath10k_restart_complete(struct ieee80211_hw *hw)
+static void ath10k_reconfig_complete(struct ieee80211_hw *hw,
+ enum ieee80211_reconfig_type reconfig_type)
{
struct ath10k *ar = hw->priv;
+ if (reconfig_type != IEEE80211_RECONFIG_TYPE_RESTART)
+ return;
+
mutex_lock(&ar->conf_mutex);
/* If device failed to restart it will be in a different state, e.g.
if (ar->state == ATH10K_STATE_RESTARTED) {
ath10k_info(ar, "device successfully recovered\n");
ar->state = ATH10K_STATE_ON;
+ ieee80211_wake_queues(ar->hw);
}
mutex_unlock(&ar->conf_mutex);
survey->channel = &sband->channels[idx];
+ if (ar->rx_channel == survey->channel)
+ survey->filled |= SURVEY_INFO_IN_USE;
+
exit:
mutex_unlock(&ar->conf_mutex);
return ret;
u32 legacy = 0x00ff;
u8 ht = 0xff, i;
u16 vht = 0x3ff;
+ u16 nrf = ar->num_rf_chains;
+
+ if (ar->cfg_tx_chainmask)
+ nrf = get_nss_from_chainmask(ar->cfg_tx_chainmask);
switch (band) {
case IEEE80211_BAND_2GHZ:
if (mask->control[band].legacy != legacy)
return false;
- for (i = 0; i < ar->num_rf_chains; i++)
+ for (i = 0; i < nrf; i++)
if (mask->control[band].ht_mcs[i] != ht)
return false;
- for (i = 0; i < ar->num_rf_chains; i++)
+ for (i = 0; i < nrf; i++)
if (mask->control[band].vht_mcs[i] != vht)
return false;
u8 fixed_nss = ar->num_rf_chains;
u8 force_sgi;
+ if (ar->cfg_tx_chainmask)
+ fixed_nss = get_nss_from_chainmask(ar->cfg_tx_chainmask);
+
force_sgi = mask->control[band].gi;
if (force_sgi == NL80211_TXRATE_FORCE_LGI)
return -EINVAL;
bw = WMI_PEER_CHWIDTH_80MHZ;
break;
case IEEE80211_STA_RX_BW_160:
- ath10k_warn(ar, "Invalid bandwith %d in rc update for %pM\n",
+ ath10k_warn(ar, "Invalid bandwidth %d in rc update for %pM\n",
sta->bandwidth, sta->addr);
bw = WMI_PEER_CHWIDTH_20MHZ;
break;
.hw_scan = ath10k_hw_scan,
.cancel_hw_scan = ath10k_cancel_hw_scan,
.set_key = ath10k_set_key,
+ .set_default_unicast_key = ath10k_set_default_unicast_key,
.sta_state = ath10k_sta_state,
.conf_tx = ath10k_conf_tx,
.remain_on_channel = ath10k_remain_on_channel,
.cancel_remain_on_channel = ath10k_cancel_remain_on_channel,
.set_rts_threshold = ath10k_set_rts_threshold,
- .set_frag_threshold = ath10k_set_frag_threshold,
.flush = ath10k_flush,
.tx_last_beacon = ath10k_tx_last_beacon,
.set_antenna = ath10k_set_antenna,
.get_antenna = ath10k_get_antenna,
- .restart_complete = ath10k_restart_complete,
+ .reconfig_complete = ath10k_reconfig_complete,
.get_survey = ath10k_get_survey,
.set_bitrate_mask = ath10k_set_bitrate_mask,
.sta_rc_update = ath10k_sta_rc_update,
.get_tsf = ath10k_get_tsf,
.ampdu_action = ath10k_ampdu_action,
+ .get_et_sset_count = ath10k_debug_get_et_sset_count,
+ .get_et_stats = ath10k_debug_get_et_stats,
+ .get_et_strings = ath10k_debug_get_et_strings,
CFG80211_TESTMODE_CMD(ath10k_tm_cmd)
.suspend = ath10k_suspend,
.resume = ath10k_resume,
#endif
+#ifdef CONFIG_MAC80211_DEBUGFS
+ .sta_add_debugfs = ath10k_sta_add_debugfs,
+#endif
};
#define RATETAB_ENT(_rate, _rateid, _flags) { \
CHAN5G(165, 5825, 0),
};
+/* Note: Be careful if you re-order these. There is code which depends on this
+ * ordering.
+ */
static struct ieee80211_rate ath10k_rates[] = {
/* CCK */
RATETAB_ENT(10, 0x82, 0),
.types = BIT(NL80211_IFTYPE_P2P_GO)
},
{
+ .max = 1,
+ .types = BIT(NL80211_IFTYPE_P2P_DEVICE)
+ },
+ {
.max = 7,
.types = BIT(NL80211_IFTYPE_AP)
},
int ath10k_mac_register(struct ath10k *ar)
{
+ static const u32 cipher_suites[] = {
+ WLAN_CIPHER_SUITE_WEP40,
+ WLAN_CIPHER_SUITE_WEP104,
+ WLAN_CIPHER_SUITE_TKIP,
+ WLAN_CIPHER_SUITE_CCMP,
+ WLAN_CIPHER_SUITE_AES_CMAC,
+ };
struct ieee80211_supported_band *band;
struct ieee80211_sta_vht_cap vht_cap;
struct ieee80211_sta_ht_cap ht_cap;
band->bitrates = ath10k_g_rates;
band->ht_cap = ht_cap;
- /* vht is not supported in 2.4 GHz */
+ /* Enable the VHT support at 2.4 GHz */
+ band->vht_cap = vht_cap;
ar->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = band;
}
BIT(NL80211_IFTYPE_STATION) |
BIT(NL80211_IFTYPE_AP);
- if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) {
- /* TODO: Have to deal with 2x2 chips if/when the come out. */
- ar->supp_tx_chainmask = TARGET_10X_TX_CHAIN_MASK;
- ar->supp_rx_chainmask = TARGET_10X_RX_CHAIN_MASK;
- } else {
- ar->supp_tx_chainmask = TARGET_TX_CHAIN_MASK;
- ar->supp_rx_chainmask = TARGET_RX_CHAIN_MASK;
- }
-
ar->hw->wiphy->available_antennas_rx = ar->supp_rx_chainmask;
ar->hw->wiphy->available_antennas_tx = ar->supp_tx_chainmask;
if (!test_bit(ATH10K_FW_FEATURE_NO_P2P, ar->fw_features))
ar->hw->wiphy->interface_modes |=
+ BIT(NL80211_IFTYPE_P2P_DEVICE) |
BIT(NL80211_IFTYPE_P2P_CLIENT) |
BIT(NL80211_IFTYPE_P2P_GO);
ar->hw->flags = IEEE80211_HW_SIGNAL_DBM |
IEEE80211_HW_SUPPORTS_PS |
IEEE80211_HW_SUPPORTS_DYNAMIC_PS |
- IEEE80211_HW_SUPPORTS_UAPSD |
IEEE80211_HW_MFP_CAPABLE |
IEEE80211_HW_REPORTS_TX_ACK_STATUS |
IEEE80211_HW_HAS_RATE_CONTROL |
IEEE80211_HW_AP_LINK_PS |
- IEEE80211_HW_SPECTRUM_MGMT;
-
- /* MSDU can have HTT TX fragment pushed in front. The additional 4
- * bytes is used for padding/alignment if necessary. */
- ar->hw->extra_tx_headroom += sizeof(struct htt_data_tx_desc_frag)*2 + 4;
+ IEEE80211_HW_SPECTRUM_MGMT |
+ IEEE80211_HW_SW_CRYPTO_CONTROL;
ar->hw->wiphy->features |= NL80211_FEATURE_STATIC_SMPS;
ar->hw->max_listen_interval = ATH10K_MAX_HW_LISTEN_INTERVAL;
+ if (test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)) {
+ ar->hw->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
+
+ /* Firmware delivers WPS/P2P Probe Requests frames to driver so
+ * that userspace (e.g. wpa_supplicant/hostapd) can generate
+ * correct Probe Responses. This is more of a hack advert..
+ */
+ ar->hw->wiphy->probe_resp_offload |=
+ NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
+ NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
+ NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
+ }
+
ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
ar->hw->wiphy->max_remain_on_channel_duration = 5000;
ar->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
+ ar->hw->wiphy->features |= NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE;
+
/*
* on LL hardware queues are managed entirely by the FW
* so we only advertise to mac we can do the queues thing
*/
ar->hw->queues = 4;
- if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) {
- ar->hw->wiphy->iface_combinations = ath10k_10x_if_comb;
- ar->hw->wiphy->n_iface_combinations =
- ARRAY_SIZE(ath10k_10x_if_comb);
- } else {
+ switch (ar->wmi.op_version) {
+ case ATH10K_FW_WMI_OP_VERSION_MAIN:
+ case ATH10K_FW_WMI_OP_VERSION_TLV:
ar->hw->wiphy->iface_combinations = ath10k_if_comb;
ar->hw->wiphy->n_iface_combinations =
ARRAY_SIZE(ath10k_if_comb);
-
ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
+ break;
+ case ATH10K_FW_WMI_OP_VERSION_10_1:
+ case ATH10K_FW_WMI_OP_VERSION_10_2:
+ case ATH10K_FW_WMI_OP_VERSION_10_2_4:
+ ar->hw->wiphy->iface_combinations = ath10k_10x_if_comb;
+ ar->hw->wiphy->n_iface_combinations =
+ ARRAY_SIZE(ath10k_10x_if_comb);
+ break;
+ case ATH10K_FW_WMI_OP_VERSION_UNSET:
+ case ATH10K_FW_WMI_OP_VERSION_MAX:
+ WARN_ON(1);
+ ret = -EINVAL;
+ goto err_free;
}
ar->hw->netdev_features = NETIF_F_HW_CSUM;
goto err_free;
}
+ ar->hw->wiphy->cipher_suites = cipher_suites;
+ ar->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
+
ret = ieee80211_register_hw(ar->hw);
if (ret) {
ath10k_err(ar, "failed to register ieee80211: %d\n", ret);
#include <linux/bitops.h>
#include "smd.h"
+struct wcn36xx_cfg_val {
+ u32 cfg_id;
+ u32 value;
+};
+
+#define WCN36XX_CFG_VAL(id, val) \
+{ \
+ .cfg_id = WCN36XX_HAL_CFG_ ## id, \
+ .value = val \
+}
+
+static struct wcn36xx_cfg_val wcn36xx_cfg_vals[] = {
+ WCN36XX_CFG_VAL(CURRENT_TX_ANTENNA, 1),
+ WCN36XX_CFG_VAL(CURRENT_RX_ANTENNA, 1),
+ WCN36XX_CFG_VAL(LOW_GAIN_OVERRIDE, 0),
+ WCN36XX_CFG_VAL(POWER_STATE_PER_CHAIN, 785),
+ WCN36XX_CFG_VAL(CAL_PERIOD, 5),
+ WCN36XX_CFG_VAL(CAL_CONTROL, 1),
+ WCN36XX_CFG_VAL(PROXIMITY, 0),
+ WCN36XX_CFG_VAL(NETWORK_DENSITY, 3),
+ WCN36XX_CFG_VAL(MAX_MEDIUM_TIME, 6000),
+ WCN36XX_CFG_VAL(MAX_MPDUS_IN_AMPDU, 64),
+ WCN36XX_CFG_VAL(RTS_THRESHOLD, 2347),
+ WCN36XX_CFG_VAL(SHORT_RETRY_LIMIT, 6),
+ WCN36XX_CFG_VAL(LONG_RETRY_LIMIT, 6),
+ WCN36XX_CFG_VAL(FRAGMENTATION_THRESHOLD, 8000),
+ WCN36XX_CFG_VAL(DYNAMIC_THRESHOLD_ZERO, 5),
+ WCN36XX_CFG_VAL(DYNAMIC_THRESHOLD_ONE, 10),
+ WCN36XX_CFG_VAL(DYNAMIC_THRESHOLD_TWO, 15),
+ WCN36XX_CFG_VAL(FIXED_RATE, 0),
+ WCN36XX_CFG_VAL(RETRYRATE_POLICY, 4),
+ WCN36XX_CFG_VAL(RETRYRATE_SECONDARY, 0),
+ WCN36XX_CFG_VAL(RETRYRATE_TERTIARY, 0),
+ WCN36XX_CFG_VAL(FORCE_POLICY_PROTECTION, 5),
+ WCN36XX_CFG_VAL(FIXED_RATE_MULTICAST_24GHZ, 1),
+ WCN36XX_CFG_VAL(FIXED_RATE_MULTICAST_5GHZ, 5),
+ WCN36XX_CFG_VAL(DEFAULT_RATE_INDEX_5GHZ, 5),
+ WCN36XX_CFG_VAL(MAX_BA_SESSIONS, 40),
+ WCN36XX_CFG_VAL(PS_DATA_INACTIVITY_TIMEOUT, 200),
+ WCN36XX_CFG_VAL(PS_ENABLE_BCN_FILTER, 1),
+ WCN36XX_CFG_VAL(PS_ENABLE_RSSI_MONITOR, 1),
+ WCN36XX_CFG_VAL(NUM_BEACON_PER_RSSI_AVERAGE, 20),
+ WCN36XX_CFG_VAL(STATS_PERIOD, 10),
+ WCN36XX_CFG_VAL(CFP_MAX_DURATION, 30000),
+ WCN36XX_CFG_VAL(FRAME_TRANS_ENABLED, 0),
+ WCN36XX_CFG_VAL(BA_THRESHOLD_HIGH, 128),
+ WCN36XX_CFG_VAL(MAX_BA_BUFFERS, 2560),
+ WCN36XX_CFG_VAL(DYNAMIC_PS_POLL_VALUE, 0),
+ WCN36XX_CFG_VAL(TX_PWR_CTRL_ENABLE, 1),
+ WCN36XX_CFG_VAL(ENABLE_CLOSE_LOOP, 1),
+ WCN36XX_CFG_VAL(ENABLE_LPWR_IMG_TRANSITION, 0),
+ WCN36XX_CFG_VAL(MAX_ASSOC_LIMIT, 10),
+ WCN36XX_CFG_VAL(ENABLE_MCC_ADAPTIVE_SCHEDULER, 0),
+};
+
static int put_cfg_tlv_u32(struct wcn36xx *wcn, size_t *len, u32 id, u32 value)
{
struct wcn36xx_hal_cfg *entry;
int wcn36xx_smd_start(struct wcn36xx *wcn)
{
- struct wcn36xx_hal_mac_start_req_msg msg_body;
+ struct wcn36xx_hal_mac_start_req_msg msg_body, *body;
int ret = 0;
+ int i;
+ size_t len;
mutex_lock(&wcn->hal_mutex);
INIT_HAL_MSG(msg_body, WCN36XX_HAL_START_REQ);
PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
+ body = (struct wcn36xx_hal_mac_start_req_msg *)wcn->hal_buf;
+ len = body->header.len;
+
+ for (i = 0; i < ARRAY_SIZE(wcn36xx_cfg_vals); i++) {
+ ret = put_cfg_tlv_u32(wcn, &len, wcn36xx_cfg_vals[i].cfg_id,
+ wcn36xx_cfg_vals[i].value);
+ if (ret)
+ goto out;
+ }
+ body->header.len = len;
+ body->params.len = len - sizeof(*body);
+
wcn36xx_dbg(WCN36XX_DBG_HAL, "hal start type %d\n",
msg_body.params.type);
- ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
+ ret = wcn36xx_smd_send_and_wait(wcn, body->header.len);
if (ret) {
wcn36xx_err("Sending hal_start failed\n");
goto out;
} else if (packet_type == WCN36XX_HAL_KEEP_ALIVE_UNSOLICIT_ARP_RSP) {
/* TODO: it also support ARP response type */
} else {
- wcn36xx_warn("unknow keep alive packet type %d\n", packet_type);
+ wcn36xx_warn("unknown keep alive packet type %d\n", packet_type);
ret = -EINVAL;
goto out;
}
#include "../wifi.h"
#include "../base.h"
#include "../pci.h"
+#include "../core.h"
#include "reg.h"
#include "def.h"
#include "phy.h"
(pwr_val << 16) | (pwr_val << 24);
}
-static void rtl8723be_dm_diginit(struct ieee80211_hw *hw)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
-
- dm_digtable->dig_enable_flag = true;
- dm_digtable->cur_igvalue = rtl_get_bbreg(hw, ROFDM0_XAAGCCORE1, 0x7f);
- dm_digtable->rssi_lowthresh = DM_DIG_THRESH_LOW;
- dm_digtable->rssi_highthresh = DM_DIG_THRESH_HIGH;
- dm_digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW;
- dm_digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH;
- dm_digtable->rx_gain_max = DM_DIG_MAX;
- dm_digtable->rx_gain_min = DM_DIG_MIN;
- dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT;
- dm_digtable->back_range_max = DM_DIG_BACKOFF_MAX;
- dm_digtable->back_range_min = DM_DIG_BACKOFF_MIN;
- dm_digtable->pre_cck_cca_thres = 0xff;
- dm_digtable->cur_cck_cca_thres = 0x83;
- dm_digtable->forbidden_igi = DM_DIG_MIN;
- dm_digtable->large_fa_hit = 0;
- dm_digtable->recover_cnt = 0;
- dm_digtable->dig_dynamic_min = DM_DIG_MIN;
- dm_digtable->dig_dynamic_min_1 = DM_DIG_MIN;
- dm_digtable->media_connect_0 = false;
- dm_digtable->media_connect_1 = false;
- rtlpriv->dm.dm_initialgain_enable = true;
- dm_digtable->bt30_cur_igi = 0x32;
-}
-
void rtl8723be_dm_init_rate_adaptive_mask(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
void rtl8723be_dm_init(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
+ u32 cur_igvalue = rtl_get_bbreg(hw, ROFDM0_XAAGCCORE1, 0x7f);
rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER;
- rtl8723be_dm_diginit(hw);
+ rtl_dm_diginit(hw, cur_igvalue);
rtl8723be_dm_init_rate_adaptive_mask(hw);
rtl8723_dm_init_edca_turbo(hw);
rtl8723_dm_init_dynamic_bb_powersaving(hw);
rtl_dm_dig->min_undec_pwdb_for_dm =
rtlpriv->dm.entry_min_undec_sm_pwdb;
RT_TRACE(rtlpriv, COMP_BB_POWERSAVING, DBG_LOUD,
- "AP Ext Port or disconnet PWDB = 0x%x\n",
+ "AP Ext Port or disconnect PWDB = 0x%x\n",
rtl_dm_dig->min_undec_pwdb_for_dm);
}
RT_TRACE(rtlpriv, COMP_DIG, DBG_LOUD, "MinUndecoratedPWDBForDM =%d\n",
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
- u8 dig_dynamic_min, dig_maxofmin;
+ u8 dig_min_0, dig_maxofmin;
bool bfirstconnect, bfirstdisconnect;
u8 dm_dig_max, dm_dig_min;
u8 current_igi = dm_digtable->cur_igvalue;
if (mac->act_scanning)
return;
- dig_dynamic_min = dm_digtable->dig_dynamic_min;
+ dig_min_0 = dm_digtable->dig_min_0;
bfirstconnect = (mac->link_state >= MAC80211_LINKED) &&
!dm_digtable->media_connect_0;
bfirstdisconnect = (mac->link_state < MAC80211_LINKED) &&
if (rtlpriv->dm.one_entry_only) {
offset = 12;
if (dm_digtable->rssi_val_min - offset < dm_dig_min)
- dig_dynamic_min = dm_dig_min;
+ dig_min_0 = dm_dig_min;
else if (dm_digtable->rssi_val_min - offset >
dig_maxofmin)
- dig_dynamic_min = dig_maxofmin;
+ dig_min_0 = dig_maxofmin;
else
- dig_dynamic_min =
+ dig_min_0 =
dm_digtable->rssi_val_min - offset;
} else {
- dig_dynamic_min = dm_dig_min;
+ dig_min_0 = dm_dig_min;
}
} else {
dm_digtable->rx_gain_max = dm_dig_max;
- dig_dynamic_min = dm_dig_min;
+ dig_min_0 = dm_dig_min;
RT_TRACE(rtlpriv, COMP_DIG, DBG_LOUD, "no link\n");
}
} else {
if (dm_digtable->large_fa_hit < 3) {
if ((dm_digtable->forbidden_igi - 1) <
- dig_dynamic_min) {
+ dig_min_0) {
dm_digtable->forbidden_igi =
- dig_dynamic_min;
+ dig_min_0;
dm_digtable->rx_gain_min =
- dig_dynamic_min;
+ dig_min_0;
} else {
dm_digtable->forbidden_igi--;
dm_digtable->rx_gain_min =
rtl8723be_dm_write_dig(hw, current_igi);
dm_digtable->media_connect_0 =
((mac->link_state >= MAC80211_LINKED) ? true : false);
- dm_digtable->dig_dynamic_min = dig_dynamic_min;
+ dm_digtable->dig_min_0 = dig_min_0;
}
static void rtl8723be_dm_false_alarm_counter_statistics(
#include "../wifi.h"
#include "../base.h"
#include "../pci.h"
+#include "../core.h"
#include "reg.h"
#include "def.h"
#include "phy.h"
}
}
-static void rtl8821ae_dm_diginit(struct ieee80211_hw *hw)
-{
- struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
-
- dm_digtable->cur_igvalue = rtl_get_bbreg(hw, ROFDM0_XAAGCCORE1, 0x7f);
- dm_digtable->rssi_lowthresh = DM_DIG_THRESH_LOW;
- dm_digtable->rssi_highthresh = DM_DIG_THRESH_HIGH;
- dm_digtable->fa_lowthresh = DM_FALSEALARM_THRESH_LOW;
- dm_digtable->fa_highthresh = DM_FALSEALARM_THRESH_HIGH;
- dm_digtable->rx_gain_max = DM_DIG_MAX;
- dm_digtable->rx_gain_min = DM_DIG_MIN;
- dm_digtable->back_val = DM_DIG_BACKOFF_DEFAULT;
- dm_digtable->back_range_max = DM_DIG_BACKOFF_MAX;
- dm_digtable->back_range_min = DM_DIG_BACKOFF_MIN;
- dm_digtable->pre_cck_cca_thres = 0xff;
- dm_digtable->cur_cck_cca_thres = 0x83;
- dm_digtable->forbidden_igi = DM_DIG_MIN;
- dm_digtable->large_fa_hit = 0;
- dm_digtable->recover_cnt = 0;
- dm_digtable->dig_dynamic_min = DM_DIG_MIN;
- dm_digtable->dig_dynamic_min_1 = DM_DIG_MIN;
- dm_digtable->media_connect_0 = false;
- dm_digtable->media_connect_1 = false;
- rtlpriv->dm.dm_initialgain_enable = true;
- dm_digtable->bt30_cur_igi = 0x32;
-}
-
void rtl8821ae_dm_init_edca_turbo(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_phy *rtlphy = &rtlpriv->phy;
+ u32 cur_igvalue = rtl_get_bbreg(hw, ROFDM0_XAAGCCORE1, 0x7f);
spin_lock(&rtlpriv->locks.iqk_lock);
rtlphy->lck_inprogress = false;
rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER;
rtl8821ae_dm_common_info_self_init(hw);
- rtl8821ae_dm_diginit(hw);
+ rtl_dm_diginit(hw, cur_igvalue);
rtl8821ae_dm_init_rate_adaptive_mask(hw);
rtl8821ae_dm_init_edca_turbo(hw);
rtl8821ae_dm_initialize_txpower_tracking_thermalmeter(hw);
struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
- u8 dig_dynamic_min;
+ u8 dig_min_0;
u8 dig_max_of_min;
bool first_connect, first_disconnect;
u8 dm_dig_max, dm_dig_min, offset;
}
/*add by Neil Chen to avoid PSD is processing*/
- dig_dynamic_min = dm_digtable->dig_dynamic_min;
+ dig_min_0 = dm_digtable->dig_min_0;
first_connect = (mac->link_state >= MAC80211_LINKED) &&
(!dm_digtable->media_connect_0);
first_disconnect = (mac->link_state < MAC80211_LINKED) &&
offset = 0;
if (dm_digtable->rssi_val_min - offset < dm_dig_min)
- dig_dynamic_min = dm_dig_min;
+ dig_min_0 = dm_dig_min;
else if (dm_digtable->rssi_val_min -
offset > dig_max_of_min)
- dig_dynamic_min = dig_max_of_min;
+ dig_min_0 = dig_max_of_min;
else
- dig_dynamic_min =
+ dig_min_0 =
dm_digtable->rssi_val_min - offset;
RT_TRACE(rtlpriv, COMP_DIG, DBG_LOUD,
- "bOneEntryOnly=TRUE, dig_dynamic_min=0x%x\n",
- dig_dynamic_min);
+ "bOneEntryOnly=TRUE, dig_min_0=0x%x\n",
+ dig_min_0);
} else {
- dig_dynamic_min = dm_dig_min;
+ dig_min_0 = dm_dig_min;
}
} else {
dm_digtable->rx_gain_max = dm_dig_max;
- dig_dynamic_min = dm_dig_min;
+ dig_min_0 = dm_dig_min;
RT_TRACE(rtlpriv, COMP_DIG, DBG_LOUD,
"No Link\n");
}
if (rtlpriv->falsealm_cnt.cnt_all > 10000) {
RT_TRACE(rtlpriv, COMP_DIG, DBG_LOUD,
- "Abnornally false alarm case.\n");
+ "Abnormally false alarm case.\n");
if (dm_digtable->large_fa_hit != 3)
dm_digtable->large_fa_hit++;
} else {
if (dm_digtable->large_fa_hit < 3) {
if ((dm_digtable->forbidden_igi - 1) <
- dig_dynamic_min) {
+ dig_min_0) {
dm_digtable->forbidden_igi =
- dig_dynamic_min;
+ dig_min_0;
dm_digtable->rx_gain_min =
- dig_dynamic_min;
+ dig_min_0;
RT_TRACE(rtlpriv, COMP_DIG, DBG_LOUD,
"Normal Case: At Lower Bound\n");
} else {
rtl8821ae_dm_write_dig(hw, current_igi);
dm_digtable->media_connect_0 =
((mac->link_state >= MAC80211_LINKED) ? true : false);
- dm_digtable->dig_dynamic_min = dig_dynamic_min;
+ dm_digtable->dig_min_0 = dig_min_0;
}
static void rtl8821ae_dm_common_info_self_update(struct ieee80211_hw *hw)
if (rtldm->tx_rate != 0xFF)
tx_rate = rtl8821ae_hw_rate_to_mrate(hw, rtldm->tx_rate);
- RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
- "===>rtl8812ae_dm_txpwr_track_set_pwr\n");
+ RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, "===>%s\n", __func__);
if (tx_rate != 0xFF) { /* Mimic Modify High Rate BBSwing Limit.*/
/*CCK*/
if (method == BBSWING) {
RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
- "===>rtl8812ae_dm_txpwr_track_set_pwr\n");
+ "===>%s\n", __func__);
if (rf_path == RF90_PATH_A) {
final_swing_idx[RF90_PATH_A] =
(rtldm->ofdm_index[RF90_PATH_A] >
rtldm->txpower_trackinginit = true;
RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
- "===>rtl8812ae_dm_txpower_tracking_callback_thermalmeter,\n pDM_Odm->BbSwingIdxCckBase: %d,pDM_Odm->BbSwingIdxOfdmBase[A]:%d, pDM_Odm->DefaultOfdmIndex: %d\n",
+ "===>%s,\n pDM_Odm->BbSwingIdxCckBase: %d,pDM_Odm->BbSwingIdxOfdmBase[A]:%d, pDM_Odm->DefaultOfdmIndex: %d\n",
+ __func__,
rtldm->swing_idx_cck_base,
rtldm->swing_idx_ofdm_base[RF90_PATH_A],
rtldm->default_ofdm_index);
}
}
- RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD,
- "<===rtl8812ae_dm_txpower_tracking_callback_thermalmeter\n");
+ RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, "<===%s\n", __func__);
}
void rtl8821ae_dm_check_txpower_tracking_thermalmeter(struct ieee80211_hw *hw)
break;
default:
- dev_dbg(pct->dev, "unknow alt_setting %d\n", alt_setting);
+ dev_dbg(pct->dev, "unknown alt_setting %d\n", alt_setting);
return -EINVAL;
}
const char *function = NULL;
unsigned long *configs;
unsigned int nconfigs = 0;
- bool has_config = 0;
struct property *prop;
- const char *group, *gpio_name;
- struct device_node *np_config;
- ret = of_property_read_string(np, "ste,function", &function);
+ ret = of_property_read_string(np, "function", &function);
if (ret >= 0) {
- ret = of_property_count_strings(np, "ste,pins");
+ const char *group;
+
+ ret = of_property_count_strings(np, "groups");
if (ret < 0)
goto exit;
if (ret < 0)
goto exit;
- of_property_for_each_string(np, "ste,pins", prop, group) {
+ of_property_for_each_string(np, "groups", prop, group) {
ret = abx500_dt_add_map_mux(map, reserved_maps,
num_maps, group, function);
if (ret < 0)
}
}
- ret = pinconf_generic_parse_dt_config(np, &configs, &nconfigs);
- if (nconfigs)
- has_config = 1;
- np_config = of_parse_phandle(np, "ste,config", 0);
- if (np_config) {
- ret = pinconf_generic_parse_dt_config(np_config, &configs,
- &nconfigs);
- if (ret)
- goto exit;
- has_config |= nconfigs;
- }
- if (has_config) {
- ret = of_property_count_strings(np, "ste,pins");
+ ret = pinconf_generic_parse_dt_config(np, pctldev, &configs, &nconfigs);
+ if (nconfigs) {
+ const char *gpio_name;
+ const char *pin;
+
+ ret = of_property_count_strings(np, "pins");
if (ret < 0)
goto exit;
if (ret < 0)
goto exit;
- of_property_for_each_string(np, "ste,pins", prop, group) {
- gpio_name = abx500_find_pin_name(pctldev, group);
+ of_property_for_each_string(np, "pins", prop, pin) {
+ gpio_name = abx500_find_pin_name(pctldev, pin);
ret = abx500_dt_add_map_configs(map, reserved_maps,
num_maps, gpio_name, configs, 1);
static const struct pinconf_ops abx500_pinconf_ops = {
.pin_config_get = abx500_pin_config_get,
.pin_config_set = abx500_pin_config_set,
+ .is_generic = true,
};
static struct pinctrl_desc abx500_pinctrl_desc = {
static struct platform_driver abx500_gpio_driver = {
.driver = {
.name = "abx500-gpio",
- .owner = THIS_MODULE,
.of_match_table = abx500_gpio_match,
},
.probe = abx500_gpio_probe,
// module_param_string_array(vendor_labels, NULL, 0444);
#define ch_printk(prefix, ch, fmt, a...) \
- sdev_printk(prefix, (ch)->device, "[%s] " fmt, \
- (ch)->name, ##a)
+ sdev_prefix_printk(prefix, (ch)->device, (ch)->name, fmt, ##a)
#define DPRINTK(fmt, arg...) \
do { \
}
static int
-ch_do_scsi(scsi_changer *ch, unsigned char *cmd,
+ch_do_scsi(scsi_changer *ch, unsigned char *cmd, int cmd_len,
void *buffer, unsigned buflength,
enum dma_data_direction direction)
{
retry:
errno = 0;
- if (debug) {
- DPRINTK("command: ");
- __scsi_print_command(cmd);
- }
-
result = scsi_execute_req(ch->device, cmd, direction, buffer,
buflength, &sshdr, timeout * HZ,
MAX_RETRIES, NULL);
- DPRINTK("result: 0x%x\n",result);
if (driver_byte(result) & DRIVER_SENSE) {
if (debug)
- scsi_print_sense_hdr(ch->name, &sshdr);
+ scsi_print_sense_hdr(ch->device, ch->name, &sshdr);
errno = ch_find_errno(&sshdr);
switch(sshdr.sense_key) {
cmd[3] = elem & 0xff;
cmd[5] = 1;
cmd[9] = 255;
- if (0 == (result = ch_do_scsi(ch, cmd, buffer, 256, DMA_FROM_DEVICE))) {
+ if (0 == (result = ch_do_scsi(ch, cmd, 12,
+ buffer, 256, DMA_FROM_DEVICE))) {
if (((buffer[16] << 8) | buffer[17]) != elem) {
DPRINTK("asked for element 0x%02x, got 0x%02x\n",
elem,(buffer[16] << 8) | buffer[17]);
memset(cmd,0,sizeof(cmd));
cmd[0] = INITIALIZE_ELEMENT_STATUS;
cmd[1] = (ch->device->lun & 0x7) << 5;
- err = ch_do_scsi(ch, cmd, NULL, 0, DMA_NONE);
+ err = ch_do_scsi(ch, cmd, 6, NULL, 0, DMA_NONE);
VPRINTK(KERN_INFO, "... finished\n");
return err;
}
cmd[1] = (ch->device->lun & 0x7) << 5;
cmd[2] = 0x1d;
cmd[4] = 255;
- result = ch_do_scsi(ch, cmd, buffer, 255, DMA_FROM_DEVICE);
+ result = ch_do_scsi(ch, cmd, 10, buffer, 255, DMA_FROM_DEVICE);
if (0 != result) {
cmd[1] |= (1<<3);
- result = ch_do_scsi(ch, cmd, buffer, 255, DMA_FROM_DEVICE);
+ result = ch_do_scsi(ch, cmd, 10, buffer, 255, DMA_FROM_DEVICE);
}
if (0 == result) {
ch->firsts[CHET_MT] =
ch->firsts[CHET_DT],
ch->counts[CHET_DT]);
} else {
- VPRINTK(KERN_INFO, "reading element address assigment page failed!\n");
+ VPRINTK(KERN_INFO, "reading element address assignment page failed!\n");
}
/* vendor specific element types */
cmd[4] = (elem >> 8) & 0xff;
cmd[5] = elem & 0xff;
cmd[8] = rotate ? 1 : 0;
- return ch_do_scsi(ch, cmd, NULL, 0, DMA_NONE);
+ return ch_do_scsi(ch, cmd, 10, NULL, 0, DMA_NONE);
}
static int
cmd[6] = (dest >> 8) & 0xff;
cmd[7] = dest & 0xff;
cmd[10] = rotate ? 1 : 0;
- return ch_do_scsi(ch, cmd, NULL,0, DMA_NONE);
+ return ch_do_scsi(ch, cmd, 12, NULL,0, DMA_NONE);
}
static int
cmd[9] = dest2 & 0xff;
cmd[10] = (rotate1 ? 1 : 0) | (rotate2 ? 2 : 0);
- return ch_do_scsi(ch, cmd, NULL,0, DMA_NONE);
+ return ch_do_scsi(ch, cmd, 12, NULL, 0, DMA_NONE);
}
static void
memcpy(buffer,tag,32);
ch_check_voltag(buffer);
- result = ch_do_scsi(ch, cmd, buffer, 256, DMA_TO_DEVICE);
+ result = ch_do_scsi(ch, cmd, 12, buffer, 256, DMA_TO_DEVICE);
kfree(buffer);
return result;
}
int retval;
void __user *argp = (void __user *)arg;
+ retval = scsi_ioctl_block_when_processing_errors(ch->device, cmd,
+ file->f_flags & O_NDELAY);
+ if (retval)
+ return retval;
+
switch (cmd) {
case CHIOGPARAMS:
{
ch_cmd[5] = 1;
ch_cmd[9] = 255;
- result = ch_do_scsi(ch, ch_cmd, buffer, 256, DMA_FROM_DEVICE);
+ result = ch_do_scsi(ch, ch_cmd, 12,
+ buffer, 256, DMA_FROM_DEVICE);
if (!result) {
cge.cge_status = buffer[18];
cge.cge_flags = 0;
}
static struct scsi_driver ch_template = {
- .owner = THIS_MODULE,
.gendrv = {
.name = "ch",
+ .owner = THIS_MODULE,
.probe = ch_probe,
.remove = ch_remove,
},
struct fc_rport *rport;
unsigned long flags;
- qla2x00_rport_del(fcport);
-
rport_ids.node_name = wwn_to_u64(fcport->node_name);
rport_ids.port_name = wwn_to_u64(fcport->port_name);
rport_ids.port_id = fcport->d_id.b.domain << 16 |
blob = qla2x00_request_firmware(vha);
if (!blob) {
ql_log(ql_log_info, vha, 0x0083,
- "Fimware image unavailable.\n");
+ "Firmware image unavailable.\n");
ql_log(ql_log_info, vha, 0x0084,
"Firmware images can be retrieved from: "QLA_FW_URL ".\n");
return QLA_FUNCTION_FAILED;
blob = qla2x00_request_firmware(vha);
if (!blob) {
ql_log(ql_log_warn, vha, 0x0090,
- "Fimware image unavailable.\n");
+ "Firmware image unavailable.\n");
ql_log(ql_log_warn, vha, 0x0091,
"Firmware images can be retrieved from: "
QLA_FW_URL ".\n");
static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
-static int qla2x00_change_queue_depth(struct scsi_device *, int, int);
-static int qla2x00_change_queue_type(struct scsi_device *, int);
static void qla2x00_clear_drv_active(struct qla_hw_data *);
static void qla2x00_free_device(scsi_qla_host_t *);
static void qla83xx_disable_laser(scsi_qla_host_t *vha);
.slave_destroy = qla2xxx_slave_destroy,
.scan_finished = qla2xxx_scan_finished,
.scan_start = qla2xxx_scan_start,
- .change_queue_depth = qla2x00_change_queue_depth,
- .change_queue_type = qla2x00_change_queue_type,
+ .change_queue_depth = scsi_change_queue_depth,
.this_id = -1,
.cmd_per_lun = 3,
.use_clustering = ENABLE_CLUSTERING,
.shost_attrs = qla2x00_host_attrs,
.supported_mode = MODE_INITIATOR,
+ .use_blk_tags = 1,
+ .track_queue_depth = 1,
};
static struct scsi_transport_template *qla2xxx_transport_template = NULL;
}
ha->flags.cpu_affinity_enabled = 1;
ql_dbg(ql_dbg_multiq, vha, 0xc007,
- "CPU affinity mode enalbed, "
+ "CPU affinity mode enabled, "
"no. of response queues:%d no. of request queues:%d.\n",
ha->max_rsp_queues, ha->max_req_queues);
ql_dbg(ql_dbg_init, vha, 0x00e9,
- "CPU affinity mode enalbed, "
+ "CPU affinity mode enabled, "
"no. of response queues:%d no. of request queues:%d.\n",
ha->max_rsp_queues, ha->max_req_queues);
}
* Return target busy if we've received a non-zero retry_delay_timer
* in a FCP_RSP.
*/
- if (time_after(jiffies, fcport->retry_delay_timestamp))
+ if (fcport->retry_delay_timestamp == 0) {
+ /* retry delay not set */
+ } else if (time_after(jiffies, fcport->retry_delay_timestamp))
fcport->retry_delay_timestamp = 0;
else
goto qc24_target_busy;
if (IS_T10_PI_CAPABLE(vha->hw))
blk_queue_update_dma_alignment(sdev->request_queue, 0x7);
- if (sdev->tagged_supported)
- scsi_activate_tcq(sdev, req->max_q_depth);
- else
- scsi_deactivate_tcq(sdev, req->max_q_depth);
+ scsi_change_queue_depth(sdev, req->max_q_depth);
return 0;
}
sdev->hostdata = NULL;
}
-static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth)
-{
- fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
-
- if (!scsi_track_queue_full(sdev, qdepth))
- return;
-
- ql_dbg(ql_dbg_io, fcport->vha, 0x3029,
- "Queue depth adjusted-down to %d for nexus=%ld:%d:%llu.\n",
- sdev->queue_depth, fcport->vha->host_no, sdev->id, sdev->lun);
-}
-
-static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth)
-{
- fc_port_t *fcport = sdev->hostdata;
- struct scsi_qla_host *vha = fcport->vha;
- struct req_que *req = NULL;
-
- req = vha->req;
- if (!req)
- return;
-
- if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth)
- return;
-
- if (sdev->ordered_tags)
- scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth);
- else
- scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth);
-
- ql_dbg(ql_dbg_io, vha, 0x302a,
- "Queue depth adjusted-up to %d for nexus=%ld:%d:%llu.\n",
- sdev->queue_depth, fcport->vha->host_no, sdev->id, sdev->lun);
-}
-
-static int
-qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
-{
- switch (reason) {
- case SCSI_QDEPTH_DEFAULT:
- scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
- break;
- case SCSI_QDEPTH_QFULL:
- qla2x00_handle_queue_full(sdev, qdepth);
- break;
- case SCSI_QDEPTH_RAMP_UP:
- qla2x00_adjust_sdev_qdepth_up(sdev, qdepth);
- break;
- default:
- return -EOPNOTSUPP;
- }
-
- return sdev->queue_depth;
-}
-
-static int
-qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
-{
- if (sdev->tagged_supported) {
- scsi_set_tag_type(sdev, tag_type);
- if (tag_type)
- scsi_activate_tcq(sdev, sdev->queue_depth);
- else
- scsi_deactivate_tcq(sdev, sdev->queue_depth);
- } else
- tag_type = 0;
-
- return tag_type;
-}
-
/**
* qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
* @ha: HA context
break;
default:
ql_log(ql_log_warn, base_vha, 0xb05f,
- "Unknow work-code=0x%x.\n", work_code);
+ "Unknown work-code=0x%x.\n", work_code);
}
return;
break;
default:
ql_log(ql_log_warn, base_vha, 0xb071,
- "Unknow Device State: %x.\n", dev_state);
+ "Unknown Device State: %x.\n", dev_state);
qla83xx_idc_unlock(base_vha, 0);
qla8xxx_dev_failed_handler(base_vha);
rval = QLA_FUNCTION_FAILED;
static int goldfish_tty_console_setup(struct console *co, char *options)
{
- if ((unsigned)co->index > goldfish_tty_line_count)
+ if ((unsigned)co->index >= goldfish_tty_line_count)
return -ENODEV;
- if (goldfish_ttys[co->index].base == 0)
+ if (!goldfish_ttys[co->index].base)
return -ENODEV;
return 0;
}
{
struct goldfish_tty *qtty;
int ret = -EINVAL;
- int i;
struct resource *r;
struct device *ttydev;
void __iomem *base;
mutex_unlock(&goldfish_tty_lock);
return 0;
- tty_unregister_device(goldfish_tty_driver, i);
err_tty_register_device_failed:
free_irq(irq, pdev);
err_request_irq_failed:
unregister_console(&qtty->console);
tty_unregister_device(goldfish_tty_driver, pdev->id);
iounmap(qtty->base);
- qtty->base = 0;
+ qtty->base = NULL;
free_irq(qtty->irq, pdev);
goldfish_tty_current_line_count--;
if (goldfish_tty_current_line_count == 0)
/*
* transform bits from aa.bbb.ccc to ccc.bbb.aa
*/
- ret |= tmp & 0xc0 >> 6;
- ret |= tmp & 0x38 >> 1;
- ret |= tmp & 0x07 << 5;
+ ret |= (tmp & 0xc0) >> 6;
+ ret |= (tmp & 0x38) >> 1;
+ ret |= (tmp & 0x07) << 5;
*data = ret & 0xff;
#endif
}
/*
* transform bits from ccc.bbb.aa to aa.bbb.ccc
*/
- ret |= tmp & 0xe0 >> 5;
- ret |= tmp & 0x1c << 1;
- ret |= tmp & 0x03 << 6;
+ ret |= (tmp & 0xe0) >> 5;
+ ret |= (tmp & 0x1c) << 1;
+ ret |= (tmp & 0x03) << 6;
*data = ret & 0xff;
#endif
}
return;
}
- set_RTS(hw, PRIO_SETUP, channel_idx,
+ ret = set_RTS(hw, PRIO_SETUP, channel_idx,
(hw->control_lines [channel_idx] &
IPW_CONTROL_LINE_RTS) != 0);
if (ret) {
#ifndef __LINUX_STACKTRACE_H
#define __LINUX_STACKTRACE_H
+#include <linux/types.h>
+
struct task_struct;
struct pt_regs;
#ifdef CONFIG_STACKTRACE
- struct task_struct;
-
struct stack_trace {
unsigned int nr_entries, max_entries;
unsigned long *entries;
struct stack_trace *trace);
extern void print_stack_trace(struct stack_trace *trace, int spaces);
+extern int snprint_stack_trace(char *buf, size_t size,
+ struct stack_trace *trace, int spaces);
#ifdef CONFIG_USER_STACKTRACE_SUPPORT
extern void save_stack_trace_user(struct stack_trace *trace);
# define save_stack_trace_tsk(tsk, trace) do { } while (0)
# define save_stack_trace_user(trace) do { } while (0)
# define print_stack_trace(trace, spaces) do { } while (0)
+# define snprint_stack_trace(buf, size, trace, spaces) do { } while (0)
#endif
#endif
#include <linux/mempolicy.h>
#include <linux/key.h>
#include <linux/buffer_head.h>
-#include <linux/page_cgroup.h>
+#include <linux/page_ext.h>
#include <linux/debug_locks.h>
#include <linux/debugobjects.h>
#include <linux/lockdep.h>
#include <linux/context_tracking.h>
#include <linux/random.h>
#include <linux/list.h>
+#include <linux/integrity.h>
+#include <linux/proc_ns.h>
#include <asm/io.h>
#include <asm/bugs.h>
#include <asm/sections.h>
#include <asm/cacheflush.h>
-#ifdef CONFIG_X86_LOCAL_APIC
-#include <asm/smp.h>
-#endif
-
static int kernel_init(void *);
extern void init_IRQ(void);
* rely on the BIOS and skip the reset operation.
*
* This is useful if kernel is booting in an unreliable environment.
- * For ex. kdump situaiton where previous kernel has crashed, BIOS has been
+ * For ex. kdump situation where previous kernel has crashed, BIOS has been
* skipped and devices will be in unknown state.
*/
unsigned int reset_devices;
#ifndef CONFIG_SMP
static const unsigned int setup_max_cpus = NR_CPUS;
-#ifdef CONFIG_X86_LOCAL_APIC
-static void __init smp_init(void)
-{
- APIC_init_uniprocessor();
-}
-#else
-#define smp_init() do { } while (0)
-#endif
-
static inline void setup_nr_cpu_ids(void) { }
static inline void smp_prepare_cpus(unsigned int maxcpus) { }
#endif
static void __init mm_init(void)
{
/*
- * page_cgroup requires contiguous pages,
+ * page_ext requires contiguous pages,
* bigger than MAX_ORDER unless SPARSEMEM.
*/
- page_cgroup_init_flatmem();
+ page_ext_init_flatmem();
mem_init();
kmem_cache_init();
percpu_init_late();
local_irq_disable();
idr_init_cache();
rcu_init();
+
+ /* trace_printk() and trace points may be used after this */
+ trace_init();
+
context_tracking_init();
radix_tree_init();
/* init some links before init_ISA_irqs() */
initrd_start = 0;
}
#endif
- page_cgroup_init();
+ page_ext_init();
debug_objects_mem_init();
kmemleak_init();
setup_per_cpu_pageset();
/* rootfs populating might need page-writeback */
page_writeback_init();
proc_root_init();
- cgroup_init();
+ nsfs_init();
cpuset_init();
+ cgroup_init();
taskstats_init_early();
delayacct_init();
ret = run_init_process(execute_command);
if (!ret)
return 0;
- pr_err("Failed to execute %s (error %d). Attempting defaults...\n",
- execute_command, ret);
+ panic("Requested init %s failed (error %d).",
+ execute_command, ret);
}
if (!try_to_run_init_process("/sbin/init") ||
!try_to_run_init_process("/etc/init") ||
* Ok, we have completed the initial bootup, and
* we're essentially up and running. Get rid of the
* initmem segments and start the user-mode stuff..
+ *
+ * rootfs is available now, try loading the public keys
+ * and default modules
*/
- /* rootfs is available now, try loading default modules */
+ integrity_load_keys();
load_default_modules();
}
#include <linux/interrupt.h>
#include <linux/slab.h>
+#include <linux/prefetch.h>
#include <asm/bitops.h>
#include "xprt_rdma.h"
* Globals/Macros
*/
-#ifdef RPC_DEBUG
+#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
# define RPCDBG_FACILITY RPCDBG_TRANS
#endif
static void rpcrdma_reset_frmrs(struct rpcrdma_ia *);
+static void rpcrdma_reset_fmrs(struct rpcrdma_ia *);
/*
* internal functions
static DECLARE_TASKLET(rpcrdma_tasklet_g, rpcrdma_run_tasklet, 0UL);
+static const char * const async_event[] = {
+ "CQ error",
+ "QP fatal error",
+ "QP request error",
+ "QP access error",
+ "communication established",
+ "send queue drained",
+ "path migration successful",
+ "path mig error",
+ "device fatal error",
+ "port active",
+ "port error",
+ "LID change",
+ "P_key change",
+ "SM change",
+ "SRQ error",
+ "SRQ limit reached",
+ "last WQE reached",
+ "client reregister",
+ "GID change",
+};
+
+#define ASYNC_MSG(status) \
+ ((status) < ARRAY_SIZE(async_event) ? \
+ async_event[(status)] : "unknown async error")
+
+static void
+rpcrdma_schedule_tasklet(struct list_head *sched_list)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&rpcrdma_tk_lock_g, flags);
+ list_splice_tail(sched_list, &rpcrdma_tasklets_g);
+ spin_unlock_irqrestore(&rpcrdma_tk_lock_g, flags);
+ tasklet_schedule(&rpcrdma_tasklet_g);
+}
+
static void
rpcrdma_qp_async_error_upcall(struct ib_event *event, void *context)
{
struct rpcrdma_ep *ep = context;
- dprintk("RPC: %s: QP error %X on device %s ep %p\n",
- __func__, event->event, event->device->name, context);
+ pr_err("RPC: %s: %s on device %s ep %p\n",
+ __func__, ASYNC_MSG(event->event),
+ event->device->name, context);
if (ep->rep_connected == 1) {
ep->rep_connected = -EIO;
- ep->rep_func(ep);
+ rpcrdma_conn_func(ep);
wake_up_all(&ep->rep_connect_wait);
}
}
{
struct rpcrdma_ep *ep = context;
- dprintk("RPC: %s: CQ error %X on device %s ep %p\n",
- __func__, event->event, event->device->name, context);
+ pr_err("RPC: %s: %s on device %s ep %p\n",
+ __func__, ASYNC_MSG(event->event),
+ event->device->name, context);
if (ep->rep_connected == 1) {
ep->rep_connected = -EIO;
- ep->rep_func(ep);
+ rpcrdma_conn_func(ep);
wake_up_all(&ep->rep_connect_wait);
}
}
+static const char * const wc_status[] = {
+ "success",
+ "local length error",
+ "local QP operation error",
+ "local EE context operation error",
+ "local protection error",
+ "WR flushed",
+ "memory management operation error",
+ "bad response error",
+ "local access error",
+ "remote invalid request error",
+ "remote access error",
+ "remote operation error",
+ "transport retry counter exceeded",
+ "RNR retrycounter exceeded",
+ "local RDD violation error",
+ "remove invalid RD request",
+ "operation aborted",
+ "invalid EE context number",
+ "invalid EE context state",
+ "fatal error",
+ "response timeout error",
+ "general error",
+};
+
+#define COMPLETION_MSG(status) \
+ ((status) < ARRAY_SIZE(wc_status) ? \
+ wc_status[(status)] : "unexpected completion error")
+
static void
rpcrdma_sendcq_process_wc(struct ib_wc *wc)
{
- struct rpcrdma_mw *frmr = (struct rpcrdma_mw *)(unsigned long)wc->wr_id;
+ if (likely(wc->status == IB_WC_SUCCESS))
+ return;
- dprintk("RPC: %s: frmr %p status %X opcode %d\n",
- __func__, frmr, wc->status, wc->opcode);
+ /* WARNING: Only wr_id and status are reliable at this point */
+ if (wc->wr_id == 0ULL) {
+ if (wc->status != IB_WC_WR_FLUSH_ERR)
+ pr_err("RPC: %s: SEND: %s\n",
+ __func__, COMPLETION_MSG(wc->status));
+ } else {
+ struct rpcrdma_mw *r;
- if (wc->wr_id == 0ULL)
- return;
- if (wc->status != IB_WC_SUCCESS)
- frmr->r.frmr.fr_state = FRMR_IS_STALE;
+ r = (struct rpcrdma_mw *)(unsigned long)wc->wr_id;
+ r->r.frmr.fr_state = FRMR_IS_STALE;
+ pr_err("RPC: %s: frmr %p (stale): %s\n",
+ __func__, r, COMPLETION_MSG(wc->status));
+ }
}
static int
struct rpcrdma_rep *rep =
(struct rpcrdma_rep *)(unsigned long)wc->wr_id;
- dprintk("RPC: %s: rep %p status %X opcode %X length %u\n",
- __func__, rep, wc->status, wc->opcode, wc->byte_len);
+ /* WARNING: Only wr_id and status are reliable at this point */
+ if (wc->status != IB_WC_SUCCESS)
+ goto out_fail;
- if (wc->status != IB_WC_SUCCESS) {
- rep->rr_len = ~0U;
- goto out_schedule;
- }
+ /* status == SUCCESS means all fields in wc are trustworthy */
if (wc->opcode != IB_WC_RECV)
return;
+ dprintk("RPC: %s: rep %p opcode 'recv', length %u: success\n",
+ __func__, rep, wc->byte_len);
+
rep->rr_len = wc->byte_len;
ib_dma_sync_single_for_cpu(rdmab_to_ia(rep->rr_buffer)->ri_id->device,
- rep->rr_iov.addr, rep->rr_len, DMA_FROM_DEVICE);
-
- if (rep->rr_len >= 16) {
- struct rpcrdma_msg *p = (struct rpcrdma_msg *)rep->rr_base;
- unsigned int credits = ntohl(p->rm_credit);
-
- if (credits == 0)
- credits = 1; /* don't deadlock */
- else if (credits > rep->rr_buffer->rb_max_requests)
- credits = rep->rr_buffer->rb_max_requests;
- atomic_set(&rep->rr_buffer->rb_credits, credits);
- }
+ rdmab_addr(rep->rr_rdmabuf),
+ rep->rr_len, DMA_FROM_DEVICE);
+ prefetch(rdmab_to_msg(rep->rr_rdmabuf));
out_schedule:
list_add_tail(&rep->rr_list, sched_list);
+ return;
+out_fail:
+ if (wc->status != IB_WC_WR_FLUSH_ERR)
+ pr_err("RPC: %s: rep %p: %s\n",
+ __func__, rep, COMPLETION_MSG(wc->status));
+ rep->rr_len = ~0U;
+ goto out_schedule;
}
static int
struct list_head sched_list;
struct ib_wc *wcs;
int budget, count, rc;
- unsigned long flags;
INIT_LIST_HEAD(&sched_list);
budget = RPCRDMA_WC_BUDGET / RPCRDMA_POLLSIZE;
rc = 0;
out_schedule:
- spin_lock_irqsave(&rpcrdma_tk_lock_g, flags);
- list_splice_tail(&sched_list, &rpcrdma_tasklets_g);
- spin_unlock_irqrestore(&rpcrdma_tk_lock_g, flags);
- tasklet_schedule(&rpcrdma_tasklet_g);
+ rpcrdma_schedule_tasklet(&sched_list);
return rc;
}
static void
rpcrdma_flush_cqs(struct rpcrdma_ep *ep)
{
- rpcrdma_recvcq_upcall(ep->rep_attr.recv_cq, ep);
- rpcrdma_sendcq_upcall(ep->rep_attr.send_cq, ep);
+ struct ib_wc wc;
+ LIST_HEAD(sched_list);
+
+ while (ib_poll_cq(ep->rep_attr.recv_cq, 1, &wc) > 0)
+ rpcrdma_recvcq_process_wc(&wc, &sched_list);
+ if (!list_empty(&sched_list))
+ rpcrdma_schedule_tasklet(&sched_list);
+ while (ib_poll_cq(ep->rep_attr.send_cq, 1, &wc) > 0)
+ rpcrdma_sendcq_process_wc(&wc);
}
-#ifdef RPC_DEBUG
+#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
static const char * const conn[] = {
"address resolved",
"address error",
struct rpcrdma_xprt *xprt = id->context;
struct rpcrdma_ia *ia = &xprt->rx_ia;
struct rpcrdma_ep *ep = &xprt->rx_ep;
-#ifdef RPC_DEBUG
+#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
struct sockaddr_in *addr = (struct sockaddr_in *) &ep->rep_remote_addr;
#endif
- struct ib_qp_attr attr;
- struct ib_qp_init_attr iattr;
+ struct ib_qp_attr *attr = &ia->ri_qp_attr;
+ struct ib_qp_init_attr *iattr = &ia->ri_qp_init_attr;
int connstate = 0;
switch (event->event) {
break;
case RDMA_CM_EVENT_ESTABLISHED:
connstate = 1;
- ib_query_qp(ia->ri_id->qp, &attr,
- IB_QP_MAX_QP_RD_ATOMIC | IB_QP_MAX_DEST_RD_ATOMIC,
- &iattr);
+ ib_query_qp(ia->ri_id->qp, attr,
+ IB_QP_MAX_QP_RD_ATOMIC | IB_QP_MAX_DEST_RD_ATOMIC,
+ iattr);
dprintk("RPC: %s: %d responder resources"
" (%d initiator)\n",
- __func__, attr.max_dest_rd_atomic, attr.max_rd_atomic);
+ __func__, attr->max_dest_rd_atomic,
+ attr->max_rd_atomic);
goto connected;
case RDMA_CM_EVENT_CONNECT_ERROR:
connstate = -ENOTCONN;
case RDMA_CM_EVENT_DEVICE_REMOVAL:
connstate = -ENODEV;
connected:
- atomic_set(&rpcx_to_rdmax(ep->rep_xprt)->rx_buf.rb_credits, 1);
dprintk("RPC: %s: %sconnected\n",
__func__, connstate > 0 ? "" : "dis");
ep->rep_connected = connstate;
- ep->rep_func(ep);
+ rpcrdma_conn_func(ep);
wake_up_all(&ep->rep_connect_wait);
/*FALLTHROUGH*/
default:
break;
}
-#ifdef RPC_DEBUG
+#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
if (connstate == 1) {
- int ird = attr.max_dest_rd_atomic;
+ int ird = attr->max_dest_rd_atomic;
int tird = ep->rep_remote_cma.responder_resources;
printk(KERN_INFO "rpcrdma: connection to %pI4:%u "
"on %s, memreg %d slots %d ird %d%s\n",
rpcrdma_ia_open(struct rpcrdma_xprt *xprt, struct sockaddr *addr, int memreg)
{
int rc, mem_priv;
- struct ib_device_attr devattr;
struct rpcrdma_ia *ia = &xprt->rx_ia;
+ struct ib_device_attr *devattr = &ia->ri_devattr;
ia->ri_id = rpcrdma_create_id(xprt, ia, addr);
if (IS_ERR(ia->ri_id)) {
goto out2;
}
- /*
- * Query the device to determine if the requested memory
- * registration strategy is supported. If it isn't, set the
- * strategy to a globally supported model.
- */
- rc = ib_query_device(ia->ri_id->device, &devattr);
+ rc = ib_query_device(ia->ri_id->device, devattr);
if (rc) {
dprintk("RPC: %s: ib_query_device failed %d\n",
__func__, rc);
- goto out2;
+ goto out3;
}
- if (devattr.device_cap_flags & IB_DEVICE_LOCAL_DMA_LKEY) {
+ if (devattr->device_cap_flags & IB_DEVICE_LOCAL_DMA_LKEY) {
ia->ri_have_dma_lkey = 1;
ia->ri_dma_lkey = ia->ri_id->device->local_dma_lkey;
}
if (memreg == RPCRDMA_FRMR) {
/* Requires both frmr reg and local dma lkey */
- if ((devattr.device_cap_flags &
+ if ((devattr->device_cap_flags &
(IB_DEVICE_MEM_MGT_EXTENSIONS|IB_DEVICE_LOCAL_DMA_LKEY)) !=
(IB_DEVICE_MEM_MGT_EXTENSIONS|IB_DEVICE_LOCAL_DMA_LKEY)) {
dprintk("RPC: %s: FRMR registration "
/* Mind the ia limit on FRMR page list depth */
ia->ri_max_frmr_depth = min_t(unsigned int,
RPCRDMA_MAX_DATA_SEGS,
- devattr.max_fast_reg_page_list_len);
+ devattr->max_fast_reg_page_list_len);
}
}
if (memreg == RPCRDMA_MTHCAFMR) {
"phys register failed with %lX\n",
__func__, PTR_ERR(ia->ri_bind_mem));
rc = -ENOMEM;
- goto out2;
+ goto out3;
}
break;
default:
printk(KERN_ERR "RPC: Unsupported memory "
"registration mode: %d\n", memreg);
rc = -ENOMEM;
- goto out2;
+ goto out3;
}
dprintk("RPC: %s: memory registration strategy is %d\n",
__func__, memreg);
rwlock_init(&ia->ri_qplock);
return 0;
+
+out3:
+ ib_dealloc_pd(ia->ri_pd);
+ ia->ri_pd = NULL;
out2:
rdma_destroy_id(ia->ri_id);
ia->ri_id = NULL;
rpcrdma_ep_create(struct rpcrdma_ep *ep, struct rpcrdma_ia *ia,
struct rpcrdma_create_data_internal *cdata)
{
- struct ib_device_attr devattr;
+ struct ib_device_attr *devattr = &ia->ri_devattr;
struct ib_cq *sendcq, *recvcq;
int rc, err;
- rc = ib_query_device(ia->ri_id->device, &devattr);
- if (rc) {
- dprintk("RPC: %s: ib_query_device failed %d\n",
- __func__, rc);
- return rc;
- }
-
/* check provider's send/recv wr limits */
- if (cdata->max_requests > devattr.max_qp_wr)
- cdata->max_requests = devattr.max_qp_wr;
+ if (cdata->max_requests > devattr->max_qp_wr)
+ cdata->max_requests = devattr->max_qp_wr;
ep->rep_attr.event_handler = rpcrdma_qp_async_error_upcall;
ep->rep_attr.qp_context = ep;
}
ep->rep_attr.cap.max_send_wr *= depth;
- if (ep->rep_attr.cap.max_send_wr > devattr.max_qp_wr) {
- cdata->max_requests = devattr.max_qp_wr / depth;
+ if (ep->rep_attr.cap.max_send_wr > devattr->max_qp_wr) {
+ cdata->max_requests = devattr->max_qp_wr / depth;
if (!cdata->max_requests)
return -EINVAL;
ep->rep_attr.cap.max_send_wr = cdata->max_requests *
ep->rep_attr.qp_type = IB_QPT_RC;
ep->rep_attr.port_num = ~0;
+ if (cdata->padding) {
+ ep->rep_padbuf = rpcrdma_alloc_regbuf(ia, cdata->padding,
+ GFP_KERNEL);
+ if (IS_ERR(ep->rep_padbuf))
+ return PTR_ERR(ep->rep_padbuf);
+ } else
+ ep->rep_padbuf = NULL;
+
dprintk("RPC: %s: requested max: dtos: send %d recv %d; "
"iovs: send %d recv %d\n",
__func__,
/* set trigger for requesting send completion */
ep->rep_cqinit = ep->rep_attr.cap.max_send_wr/2 - 1;
- if (ep->rep_cqinit <= 2)
+ if (ep->rep_cqinit > RPCRDMA_MAX_UNSIGNALED_SENDS)
+ ep->rep_cqinit = RPCRDMA_MAX_UNSIGNALED_SENDS;
+ else if (ep->rep_cqinit <= 2)
ep->rep_cqinit = 0;
INIT_CQCOUNT(ep);
- ep->rep_ia = ia;
init_waitqueue_head(&ep->rep_connect_wait);
INIT_DELAYED_WORK(&ep->rep_connect_worker, rpcrdma_connect_worker);
/* Client offers RDMA Read but does not initiate */
ep->rep_remote_cma.initiator_depth = 0;
- if (devattr.max_qp_rd_atom > 32) /* arbitrary but <= 255 */
+ if (devattr->max_qp_rd_atom > 32) /* arbitrary but <= 255 */
ep->rep_remote_cma.responder_resources = 32;
else
- ep->rep_remote_cma.responder_resources = devattr.max_qp_rd_atom;
+ ep->rep_remote_cma.responder_resources =
+ devattr->max_qp_rd_atom;
ep->rep_remote_cma.retry_count = 7;
ep->rep_remote_cma.flow_control = 0;
dprintk("RPC: %s: ib_destroy_cq returned %i\n",
__func__, err);
out1:
+ rpcrdma_free_regbuf(ia, ep->rep_padbuf);
return rc;
}
ia->ri_id->qp = NULL;
}
- /* padding - could be done in rpcrdma_buffer_destroy... */
- if (ep->rep_pad_mr) {
- rpcrdma_deregister_internal(ia, ep->rep_pad_mr, &ep->rep_pad);
- ep->rep_pad_mr = NULL;
- }
+ rpcrdma_free_regbuf(ia, ep->rep_padbuf);
rpcrdma_clean_cq(ep->rep_attr.recv_cq);
rc = ib_destroy_cq(ep->rep_attr.recv_cq);
rpcrdma_ep_disconnect(ep, ia);
rpcrdma_flush_cqs(ep);
- if (ia->ri_memreg_strategy == RPCRDMA_FRMR)
+ switch (ia->ri_memreg_strategy) {
+ case RPCRDMA_FRMR:
rpcrdma_reset_frmrs(ia);
+ break;
+ case RPCRDMA_MTHCAFMR:
+ rpcrdma_reset_fmrs(ia);
+ break;
+ case RPCRDMA_ALLPHYSICAL:
+ break;
+ default:
+ rc = -EIO;
+ goto out;
+ }
xprt = container_of(ia, struct rpcrdma_xprt, rx_ia);
id = rpcrdma_create_id(xprt, ia,
}
}
+static struct rpcrdma_req *
+rpcrdma_create_req(struct rpcrdma_xprt *r_xprt)
+{
+ struct rpcrdma_req *req;
+
+ req = kzalloc(sizeof(*req), GFP_KERNEL);
+ if (req == NULL)
+ return ERR_PTR(-ENOMEM);
+
+ req->rl_buffer = &r_xprt->rx_buf;
+ return req;
+}
+
+static struct rpcrdma_rep *
+rpcrdma_create_rep(struct rpcrdma_xprt *r_xprt)
+{
+ struct rpcrdma_create_data_internal *cdata = &r_xprt->rx_data;
+ struct rpcrdma_ia *ia = &r_xprt->rx_ia;
+ struct rpcrdma_rep *rep;
+ int rc;
+
+ rc = -ENOMEM;
+ rep = kzalloc(sizeof(*rep), GFP_KERNEL);
+ if (rep == NULL)
+ goto out;
+
+ rep->rr_rdmabuf = rpcrdma_alloc_regbuf(ia, cdata->inline_rsize,
+ GFP_KERNEL);
+ if (IS_ERR(rep->rr_rdmabuf)) {
+ rc = PTR_ERR(rep->rr_rdmabuf);
+ goto out_free;
+ }
+
+ rep->rr_buffer = &r_xprt->rx_buf;
+ return rep;
+
+out_free:
+ kfree(rep);
+out:
+ return ERR_PTR(rc);
+}
+
static int
rpcrdma_init_fmrs(struct rpcrdma_ia *ia, struct rpcrdma_buffer *buf)
{
int i, rc;
i = (buf->rb_max_requests + 1) * RPCRDMA_MAX_SEGS;
- dprintk("RPC: %s: initalizing %d FMRs\n", __func__, i);
+ dprintk("RPC: %s: initializing %d FMRs\n", __func__, i);
while (i--) {
r = kzalloc(sizeof(*r), GFP_KERNEL);
int i, rc;
i = (buf->rb_max_requests + 1) * RPCRDMA_MAX_SEGS;
- dprintk("RPC: %s: initalizing %d FRMRs\n", __func__, i);
+ dprintk("RPC: %s: initializing %d FRMRs\n", __func__, i);
while (i--) {
r = kzalloc(sizeof(*r), GFP_KERNEL);
}
int
-rpcrdma_buffer_create(struct rpcrdma_buffer *buf, struct rpcrdma_ep *ep,
- struct rpcrdma_ia *ia, struct rpcrdma_create_data_internal *cdata)
+rpcrdma_buffer_create(struct rpcrdma_xprt *r_xprt)
{
+ struct rpcrdma_buffer *buf = &r_xprt->rx_buf;
+ struct rpcrdma_ia *ia = &r_xprt->rx_ia;
+ struct rpcrdma_create_data_internal *cdata = &r_xprt->rx_data;
char *p;
- size_t len, rlen, wlen;
+ size_t len;
int i, rc;
buf->rb_max_requests = cdata->max_requests;
spin_lock_init(&buf->rb_lock);
- atomic_set(&buf->rb_credits, 1);
/* Need to allocate:
* 1. arrays for send and recv pointers
* 2. arrays of struct rpcrdma_req to fill in pointers
* 3. array of struct rpcrdma_rep for replies
- * 4. padding, if any
* Send/recv buffers in req/rep need to be registered
*/
len = buf->rb_max_requests *
(sizeof(struct rpcrdma_req *) + sizeof(struct rpcrdma_rep *));
- len += cdata->padding;
p = kzalloc(len, GFP_KERNEL);
if (p == NULL) {
buf->rb_recv_bufs = (struct rpcrdma_rep **) p;
p = (char *) &buf->rb_recv_bufs[buf->rb_max_requests];
- /*
- * Register the zeroed pad buffer, if any.
- */
- if (cdata->padding) {
- rc = rpcrdma_register_internal(ia, p, cdata->padding,
- &ep->rep_pad_mr, &ep->rep_pad);
- if (rc)
- goto out;
- }
- p += cdata->padding;
-
INIT_LIST_HEAD(&buf->rb_mws);
INIT_LIST_HEAD(&buf->rb_all);
switch (ia->ri_memreg_strategy) {
break;
}
- /*
- * Allocate/init the request/reply buffers. Doing this
- * using kmalloc for now -- one for each buf.
- */
- wlen = 1 << fls(cdata->inline_wsize + sizeof(struct rpcrdma_req));
- rlen = 1 << fls(cdata->inline_rsize + sizeof(struct rpcrdma_rep));
- dprintk("RPC: %s: wlen = %zu, rlen = %zu\n",
- __func__, wlen, rlen);
-
for (i = 0; i < buf->rb_max_requests; i++) {
struct rpcrdma_req *req;
struct rpcrdma_rep *rep;
- req = kmalloc(wlen, GFP_KERNEL);
- if (req == NULL) {
+ req = rpcrdma_create_req(r_xprt);
+ if (IS_ERR(req)) {
dprintk("RPC: %s: request buffer %d alloc"
" failed\n", __func__, i);
- rc = -ENOMEM;
+ rc = PTR_ERR(req);
goto out;
}
- memset(req, 0, sizeof(struct rpcrdma_req));
buf->rb_send_bufs[i] = req;
- buf->rb_send_bufs[i]->rl_buffer = buf;
-
- rc = rpcrdma_register_internal(ia, req->rl_base,
- wlen - offsetof(struct rpcrdma_req, rl_base),
- &buf->rb_send_bufs[i]->rl_handle,
- &buf->rb_send_bufs[i]->rl_iov);
- if (rc)
- goto out;
- buf->rb_send_bufs[i]->rl_size = wlen -
- sizeof(struct rpcrdma_req);
-
- rep = kmalloc(rlen, GFP_KERNEL);
- if (rep == NULL) {
+ rep = rpcrdma_create_rep(r_xprt);
+ if (IS_ERR(rep)) {
dprintk("RPC: %s: reply buffer %d alloc failed\n",
__func__, i);
- rc = -ENOMEM;
+ rc = PTR_ERR(rep);
goto out;
}
- memset(rep, 0, sizeof(struct rpcrdma_rep));
buf->rb_recv_bufs[i] = rep;
- buf->rb_recv_bufs[i]->rr_buffer = buf;
-
- rc = rpcrdma_register_internal(ia, rep->rr_base,
- rlen - offsetof(struct rpcrdma_rep, rr_base),
- &buf->rb_recv_bufs[i]->rr_handle,
- &buf->rb_recv_bufs[i]->rr_iov);
- if (rc)
- goto out;
-
}
- dprintk("RPC: %s: max_requests %d\n",
- __func__, buf->rb_max_requests);
- /* done */
+
return 0;
out:
rpcrdma_buffer_destroy(buf);
return rc;
}
+static void
+rpcrdma_destroy_rep(struct rpcrdma_ia *ia, struct rpcrdma_rep *rep)
+{
+ if (!rep)
+ return;
+
+ rpcrdma_free_regbuf(ia, rep->rr_rdmabuf);
+ kfree(rep);
+}
+
+static void
+rpcrdma_destroy_req(struct rpcrdma_ia *ia, struct rpcrdma_req *req)
+{
+ if (!req)
+ return;
+
+ rpcrdma_free_regbuf(ia, req->rl_sendbuf);
+ rpcrdma_free_regbuf(ia, req->rl_rdmabuf);
+ kfree(req);
+}
+
static void
rpcrdma_destroy_fmrs(struct rpcrdma_buffer *buf)
{
dprintk("RPC: %s: entering\n", __func__);
for (i = 0; i < buf->rb_max_requests; i++) {
- if (buf->rb_recv_bufs && buf->rb_recv_bufs[i]) {
- rpcrdma_deregister_internal(ia,
- buf->rb_recv_bufs[i]->rr_handle,
- &buf->rb_recv_bufs[i]->rr_iov);
- kfree(buf->rb_recv_bufs[i]);
- }
- if (buf->rb_send_bufs && buf->rb_send_bufs[i]) {
- rpcrdma_deregister_internal(ia,
- buf->rb_send_bufs[i]->rl_handle,
- &buf->rb_send_bufs[i]->rl_iov);
- kfree(buf->rb_send_bufs[i]);
- }
+ if (buf->rb_recv_bufs)
+ rpcrdma_destroy_rep(ia, buf->rb_recv_bufs[i]);
+ if (buf->rb_send_bufs)
+ rpcrdma_destroy_req(ia, buf->rb_send_bufs[i]);
}
switch (ia->ri_memreg_strategy) {
kfree(buf->rb_pool);
}
+/* After a disconnect, unmap all FMRs.
+ *
+ * This is invoked only in the transport connect worker in order
+ * to serialize with rpcrdma_register_fmr_external().
+ */
+static void
+rpcrdma_reset_fmrs(struct rpcrdma_ia *ia)
+{
+ struct rpcrdma_xprt *r_xprt =
+ container_of(ia, struct rpcrdma_xprt, rx_ia);
+ struct rpcrdma_buffer *buf = &r_xprt->rx_buf;
+ struct list_head *pos;
+ struct rpcrdma_mw *r;
+ LIST_HEAD(l);
+ int rc;
+
+ list_for_each(pos, &buf->rb_all) {
+ r = list_entry(pos, struct rpcrdma_mw, mw_all);
+
+ INIT_LIST_HEAD(&l);
+ list_add(&r->r.fmr->list, &l);
+ rc = ib_unmap_fmr(&l);
+ if (rc)
+ dprintk("RPC: %s: ib_unmap_fmr failed %i\n",
+ __func__, rc);
+ }
+}
+
/* After a disconnect, a flushed FAST_REG_MR can leave an FRMR in
* an unusable state. Find FRMRs in this state and dereg / reg
* each. FRMRs that are VALID and attached to an rpcrdma_req are
int i;
for (i = 1, seg++; i < RPCRDMA_MAX_SEGS; seg++, i++)
- rpcrdma_buffer_put_mr(&seg->mr_chunk.rl_mw, buf);
- rpcrdma_buffer_put_mr(&seg1->mr_chunk.rl_mw, buf);
+ rpcrdma_buffer_put_mr(&seg->rl_mw, buf);
+ rpcrdma_buffer_put_mr(&seg1->rl_mw, buf);
}
static void
list_add(&r->mw_list, stale);
continue;
}
- req->rl_segments[i].mr_chunk.rl_mw = r;
+ req->rl_segments[i].rl_mw = r;
if (unlikely(i-- == 0))
return req; /* Success */
}
r = list_entry(buf->rb_mws.next,
struct rpcrdma_mw, mw_list);
list_del(&r->mw_list);
- req->rl_segments[i].mr_chunk.rl_mw = r;
+ req->rl_segments[i].rl_mw = r;
if (unlikely(i-- == 0))
return req; /* Success */
}
struct rpcrdma_buffer *buffers = req->rl_buffer;
unsigned long flags;
- if (req->rl_iov.length == 0) /* special case xprt_rdma_allocate() */
- buffers = ((struct rpcrdma_req *) buffers)->rl_buffer;
spin_lock_irqsave(&buffers->rb_lock, flags);
if (buffers->rb_recv_index < buffers->rb_max_requests) {
req->rl_reply = buffers->rb_recv_bufs[buffers->rb_recv_index];
* Wrappers for internal-use kmalloc memory registration, used by buffer code.
*/
-int
+static int
rpcrdma_register_internal(struct rpcrdma_ia *ia, void *va, int len,
struct ib_mr **mrp, struct ib_sge *iov)
{
return rc;
}
-int
+static int
rpcrdma_deregister_internal(struct rpcrdma_ia *ia,
struct ib_mr *mr, struct ib_sge *iov)
{
return rc;
}
+/**
+ * rpcrdma_alloc_regbuf - kmalloc and register memory for SEND/RECV buffers
+ * @ia: controlling rpcrdma_ia
+ * @size: size of buffer to be allocated, in bytes
+ * @flags: GFP flags
+ *
+ * Returns pointer to private header of an area of internally
+ * registered memory, or an ERR_PTR. The registered buffer follows
+ * the end of the private header.
+ *
+ * xprtrdma uses a regbuf for posting an outgoing RDMA SEND, or for
+ * receiving the payload of RDMA RECV operations. regbufs are not
+ * used for RDMA READ/WRITE operations, thus are registered only for
+ * LOCAL access.
+ */
+struct rpcrdma_regbuf *
+rpcrdma_alloc_regbuf(struct rpcrdma_ia *ia, size_t size, gfp_t flags)
+{
+ struct rpcrdma_regbuf *rb;
+ int rc;
+
+ rc = -ENOMEM;
+ rb = kmalloc(sizeof(*rb) + size, flags);
+ if (rb == NULL)
+ goto out;
+
+ rb->rg_size = size;
+ rb->rg_owner = NULL;
+ rc = rpcrdma_register_internal(ia, rb->rg_base, size,
+ &rb->rg_mr, &rb->rg_iov);
+ if (rc)
+ goto out_free;
+
+ return rb;
+
+out_free:
+ kfree(rb);
+out:
+ return ERR_PTR(rc);
+}
+
+/**
+ * rpcrdma_free_regbuf - deregister and free registered buffer
+ * @ia: controlling rpcrdma_ia
+ * @rb: regbuf to be deregistered and freed
+ */
+void
+rpcrdma_free_regbuf(struct rpcrdma_ia *ia, struct rpcrdma_regbuf *rb)
+{
+ if (rb) {
+ rpcrdma_deregister_internal(ia, rb->rg_mr, &rb->rg_iov);
+ kfree(rb);
+ }
+}
+
/*
* Wrappers for chunk registration, shared by read/write chunk code.
*/
struct rpcrdma_xprt *r_xprt)
{
struct rpcrdma_mr_seg *seg1 = seg;
- struct rpcrdma_mw *mw = seg1->mr_chunk.rl_mw;
+ struct rpcrdma_mw *mw = seg1->rl_mw;
struct rpcrdma_frmr *frmr = &mw->r.frmr;
struct ib_mr *mr = frmr->fr_mr;
struct ib_send_wr fastreg_wr, *bad_wr;
struct ib_send_wr invalidate_wr, *bad_wr;
int rc;
- seg1->mr_chunk.rl_mw->r.frmr.fr_state = FRMR_IS_INVALID;
+ seg1->rl_mw->r.frmr.fr_state = FRMR_IS_INVALID;
memset(&invalidate_wr, 0, sizeof invalidate_wr);
- invalidate_wr.wr_id = (unsigned long)(void *)seg1->mr_chunk.rl_mw;
+ invalidate_wr.wr_id = (unsigned long)(void *)seg1->rl_mw;
invalidate_wr.opcode = IB_WR_LOCAL_INV;
- invalidate_wr.ex.invalidate_rkey = seg1->mr_chunk.rl_mw->r.frmr.fr_mr->rkey;
+ invalidate_wr.ex.invalidate_rkey = seg1->rl_mw->r.frmr.fr_mr->rkey;
DECR_CQCOUNT(&r_xprt->rx_ep);
read_lock(&ia->ri_qplock);
read_unlock(&ia->ri_qplock);
if (rc) {
/* Force rpcrdma_buffer_get() to retry */
- seg1->mr_chunk.rl_mw->r.frmr.fr_state = FRMR_IS_STALE;
+ seg1->rl_mw->r.frmr.fr_state = FRMR_IS_STALE;
dprintk("RPC: %s: failed ib_post_send for invalidate,"
" status %i\n", __func__, rc);
}
offset_in_page((seg-1)->mr_offset + (seg-1)->mr_len))
break;
}
- rc = ib_map_phys_fmr(seg1->mr_chunk.rl_mw->r.fmr,
- physaddrs, i, seg1->mr_dma);
+ rc = ib_map_phys_fmr(seg1->rl_mw->r.fmr, physaddrs, i, seg1->mr_dma);
if (rc) {
dprintk("RPC: %s: failed ib_map_phys_fmr "
"%u@0x%llx+%i (%d)... status %i\n", __func__,
while (i--)
rpcrdma_unmap_one(ia, --seg);
} else {
- seg1->mr_rkey = seg1->mr_chunk.rl_mw->r.fmr->rkey;
+ seg1->mr_rkey = seg1->rl_mw->r.fmr->rkey;
seg1->mr_base = seg1->mr_dma + pageoff;
seg1->mr_nsegs = i;
seg1->mr_len = len;
LIST_HEAD(l);
int rc;
- list_add(&seg1->mr_chunk.rl_mw->r.fmr->list, &l);
+ list_add(&seg1->rl_mw->r.fmr->list, &l);
rc = ib_unmap_fmr(&l);
read_lock(&ia->ri_qplock);
while (seg1->mr_nsegs--)
break;
default:
- return -1;
+ return -EIO;
}
if (rc)
- return -1;
+ return rc;
return nsegs;
}
recv_wr.next = NULL;
recv_wr.wr_id = (u64) (unsigned long) rep;
- recv_wr.sg_list = &rep->rr_iov;
+ recv_wr.sg_list = &rep->rr_rdmabuf->rg_iov;
recv_wr.num_sge = 1;
ib_dma_sync_single_for_cpu(ia->ri_id->device,
- rep->rr_iov.addr, rep->rr_iov.length, DMA_BIDIRECTIONAL);
+ rdmab_addr(rep->rr_rdmabuf),
+ rdmab_length(rep->rr_rdmabuf),
+ DMA_BIDIRECTIONAL);
rc = ib_post_recv(ia->ri_id->qp, &recv_wr, &recv_wr_fail);
#include <linux/ctype.h>
#include <linux/slab.h>
#include <linux/of.h>
-#include <linux/gpio.h>
-#include <linux/of_gpio.h>
-#include <sound/ac97_codec.h>
#include <sound/core.h>
#include <sound/jack.h>
#include <sound/pcm.h>
module_param(pmdown_time, int, 0);
MODULE_PARM_DESC(pmdown_time, "DAPM stream powerdown time (msecs)");
-struct snd_ac97_reset_cfg {
- struct pinctrl *pctl;
- struct pinctrl_state *pstate_reset;
- struct pinctrl_state *pstate_warm_reset;
- struct pinctrl_state *pstate_run;
- int gpio_sdata;
- int gpio_sync;
- int gpio_reset;
-};
-
/* returns the minimum number of bytes needed to represent
* a particular given value */
static int min_bytes_needed(unsigned long val)
static DEVICE_ATTR(pmdown_time, 0644, pmdown_time_show, pmdown_time_set);
+static struct attribute *soc_dev_attrs[] = {
+ &dev_attr_codec_reg.attr,
+ &dev_attr_pmdown_time.attr,
+ NULL
+};
+
+static umode_t soc_dev_attr_is_visible(struct kobject *kobj,
+ struct attribute *attr, int idx)
+{
+ struct device *dev = kobj_to_dev(kobj);
+ struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev);
+
+ if (attr == &dev_attr_pmdown_time.attr)
+ return attr->mode; /* always visible */
+ return rtd->codec ? attr->mode : 0; /* enabled only with codec */
+}
+
+static const struct attribute_group soc_dapm_dev_group = {
+ .attrs = soc_dapm_dev_attrs,
+ .is_visible = soc_dev_attr_is_visible,
+};
+
+static const struct attribute_group soc_dev_roup = {
+ .attrs = soc_dev_attrs,
+ .is_visible = soc_dev_attr_is_visible,
+};
+
+static const struct attribute_group *soc_dev_attr_groups[] = {
+ &soc_dapm_dev_group,
+ &soc_dev_roup,
+ NULL
+};
+
#ifdef CONFIG_DEBUG_FS
static ssize_t codec_reg_read_file(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
- debugfs_create_bool("cache_sync", 0444, codec->component.debugfs_root,
- &codec->cache_sync);
-
codec->debugfs_reg = debugfs_create_file("codec_reg", 0644,
codec->component.debugfs_root,
codec, &codec_reg_fops);
if (!buf)
return -ENOMEM;
+ mutex_lock(&client_mutex);
+
list_for_each_entry(codec, &codec_list, list) {
len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n",
codec->component.name);
}
}
+ mutex_unlock(&client_mutex);
+
if (ret >= 0)
ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
if (!buf)
return -ENOMEM;
+ mutex_lock(&client_mutex);
+
list_for_each_entry(component, &component_list, list) {
list_for_each_entry(dai, &component->dai_list, list) {
len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n",
}
}
+ mutex_unlock(&client_mutex);
+
ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
kfree(buf);
if (!buf)
return -ENOMEM;
+ mutex_lock(&client_mutex);
+
list_for_each_entry(platform, &platform_list, list) {
len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n",
platform->component.name);
}
}
+ mutex_unlock(&client_mutex);
+
ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
kfree(buf);
}
EXPORT_SYMBOL_GPL(snd_soc_get_pcm_runtime);
-#ifdef CONFIG_SND_SOC_AC97_BUS
-/* unregister ac97 codec */
-static int soc_ac97_dev_unregister(struct snd_soc_codec *codec)
-{
- if (codec->ac97->dev.bus)
- device_unregister(&codec->ac97->dev);
- return 0;
-}
-
-/* stop no dev release warning */
-static void soc_ac97_device_release(struct device *dev){}
-
-/* register ac97 codec to bus */
-static int soc_ac97_dev_register(struct snd_soc_codec *codec)
-{
- int err;
-
- codec->ac97->dev.bus = &ac97_bus_type;
- codec->ac97->dev.parent = codec->component.card->dev;
- codec->ac97->dev.release = soc_ac97_device_release;
-
- dev_set_name(&codec->ac97->dev, "%d-%d:%s",
- codec->component.card->snd_card->number, 0,
- codec->component.name);
- err = device_register(&codec->ac97->dev);
- if (err < 0) {
- dev_err(codec->dev, "ASoC: Can't register ac97 bus\n");
- codec->ac97->dev.bus = NULL;
- return err;
- }
- return 0;
-}
-#endif
-
static void codec2codec_close_delayed_work(struct work_struct *work)
{
/* Currently nothing to do for c2c links
for (i = 0; i < card->num_rtd; i++) {
struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
- struct snd_soc_platform *platform = card->rtd[i].platform;
if (card->rtd[i].dai_link->ignore_suspend)
continue;
- if (cpu_dai->driver->suspend && !cpu_dai->driver->ac97_control)
+ if (cpu_dai->driver->suspend && !cpu_dai->driver->bus_control)
cpu_dai->driver->suspend(cpu_dai);
- if (platform->driver->suspend && !platform->suspended) {
- platform->driver->suspend(cpu_dai);
- platform->suspended = 1;
- }
}
/* close any waiting streams and save state */
SND_SOC_DAPM_STREAM_SUSPEND);
}
- /* Recheck all analogue paths too */
- dapm_mark_io_dirty(&card->dapm);
+ /* Recheck all endpoints too, their state is affected by suspend */
+ dapm_mark_endpoints_dirty(card);
snd_soc_dapm_sync(&card->dapm);
/* suspend all CODECs */
if (codec->driver->suspend)
codec->driver->suspend(codec);
codec->suspended = 1;
- codec->cache_sync = 1;
if (codec->component.regmap)
regcache_mark_dirty(codec->component.regmap);
/* deactivate pins to sleep state */
if (card->rtd[i].dai_link->ignore_suspend)
continue;
- if (cpu_dai->driver->suspend && cpu_dai->driver->ac97_control)
+ if (cpu_dai->driver->suspend && cpu_dai->driver->bus_control)
cpu_dai->driver->suspend(cpu_dai);
/* deactivate pins to sleep state */
if (card->resume_pre)
card->resume_pre(card);
- /* resume AC97 DAIs */
+ /* resume control bus DAIs */
for (i = 0; i < card->num_rtd; i++) {
struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
if (card->rtd[i].dai_link->ignore_suspend)
continue;
- if (cpu_dai->driver->resume && cpu_dai->driver->ac97_control)
+ if (cpu_dai->driver->resume && cpu_dai->driver->bus_control)
cpu_dai->driver->resume(cpu_dai);
}
for (i = 0; i < card->num_rtd; i++) {
struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
- struct snd_soc_platform *platform = card->rtd[i].platform;
if (card->rtd[i].dai_link->ignore_suspend)
continue;
- if (cpu_dai->driver->resume && !cpu_dai->driver->ac97_control)
+ if (cpu_dai->driver->resume && !cpu_dai->driver->bus_control)
cpu_dai->driver->resume(cpu_dai);
- if (platform->driver->resume && platform->suspended) {
- platform->driver->resume(cpu_dai);
- platform->suspended = 0;
- }
}
if (card->resume_post)
/* userspace can access us now we are back as we were before */
snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D0);
- /* Recheck all analogue paths too */
- dapm_mark_io_dirty(&card->dapm);
+ /* Recheck all endpoints too, their state is affected by suspend */
+ dapm_mark_endpoints_dirty(card);
snd_soc_dapm_sync(&card->dapm);
}
int snd_soc_resume(struct device *dev)
{
struct snd_soc_card *card = dev_get_drvdata(dev);
- int i, ac97_control = 0;
+ bool bus_control = false;
+ int i;
/* If the card is not initialized yet there is nothing to do */
if (!card->instantiated)
}
}
- /* AC97 devices might have other drivers hanging off them so
- * need to resume immediately. Other drivers don't have that
- * problem and may take a substantial amount of time to resume
+ /*
+ * DAIs that also act as the control bus master might have other drivers
+ * hanging off them so need to resume immediately. Other drivers don't
+ * have that problem and may take a substantial amount of time to resume
* due to I/O costs and anti-pop so handle them out of line.
*/
for (i = 0; i < card->num_rtd; i++) {
struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
- ac97_control |= cpu_dai->driver->ac97_control;
+ bus_control |= cpu_dai->driver->bus_control;
}
- if (ac97_control) {
- dev_dbg(dev, "ASoC: Resuming AC97 immediately\n");
+ if (bus_control) {
+ dev_dbg(dev, "ASoC: Resuming control bus master immediately\n");
soc_resume_deferred(&card->deferred_resume_work);
} else {
dev_dbg(dev, "ASoC: Scheduling resume work\n");
{
struct snd_soc_component *component;
+ lockdep_assert_held(&client_mutex);
+
list_for_each_entry(component, &component_list, list) {
if (of_node) {
if (component->dev->of_node == of_node)
struct snd_soc_component *component;
struct snd_soc_dai *dai;
+ lockdep_assert_held(&client_mutex);
+
/* Find CPU DAI from registered DAIs*/
list_for_each_entry(component, &component_list, list) {
if (dlc->of_node && component->dev->of_node != dlc->of_node)
continue;
- if (dlc->name && strcmp(dev_name(component->dev), dlc->name))
+ if (dlc->name && strcmp(component->name, dlc->name))
continue;
list_for_each_entry(dai, &component->dai_list, list) {
if (dlc->dai_name && strcmp(dai->name, dlc->dai_name))
/* unregister the rtd device */
if (rtd->dev_registered) {
- device_remove_file(rtd->dev, &dev_attr_pmdown_time);
- device_remove_file(rtd->dev, &dev_attr_codec_reg);
device_unregister(rtd->dev);
rtd->dev_registered = 0;
}
device_initialize(rtd->dev);
rtd->dev->parent = rtd->card->dev;
rtd->dev->release = rtd_release;
+ rtd->dev->groups = soc_dev_attr_groups;
dev_set_name(rtd->dev, "%s", name);
dev_set_drvdata(rtd->dev, rtd);
mutex_init(&rtd->pcm_mutex);
return ret;
}
rtd->dev_registered = 1;
-
- if (rtd->codec) {
- /* add DAPM sysfs entries for this codec */
- ret = snd_soc_dapm_sys_add(rtd->dev);
- if (ret < 0)
- dev_err(rtd->dev,
- "ASoC: failed to add codec dapm sysfs entries: %d\n",
- ret);
-
- /* add codec sysfs entries */
- ret = device_create_file(rtd->dev, &dev_attr_codec_reg);
- if (ret < 0)
- dev_err(rtd->dev,
- "ASoC: failed to add codec sysfs files: %d\n",
- ret);
- }
-
return 0;
}
return 0;
}
-static int soc_probe_codec_dai(struct snd_soc_card *card,
- struct snd_soc_dai *codec_dai,
- int order)
+static int soc_probe_dai(struct snd_soc_dai *dai, int order)
{
int ret;
- if (!codec_dai->probed && codec_dai->driver->probe_order == order) {
- if (codec_dai->driver->probe) {
- ret = codec_dai->driver->probe(codec_dai);
+ if (!dai->probed && dai->driver->probe_order == order) {
+ if (dai->driver->probe) {
+ ret = dai->driver->probe(dai);
if (ret < 0) {
- dev_err(codec_dai->dev,
- "ASoC: failed to probe CODEC DAI %s: %d\n",
- codec_dai->name, ret);
+ dev_err(dai->dev,
+ "ASoC: failed to probe DAI %s: %d\n",
+ dai->name, ret);
return ret;
}
}
- /* mark codec_dai as probed and add to card dai list */
- codec_dai->probed = 1;
+ dai->probed = 1;
}
return 0;
{
struct snd_soc_dai_link *dai_link = &card->dai_link[num];
struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
- struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
int i, ret;
dev_dbg(card->dev, "ASoC: probe %s dai link %d late %d\n",
card->name, num, order);
- /* config components */
- cpu_dai->platform = platform;
- cpu_dai->card = card;
- for (i = 0; i < rtd->num_codecs; i++)
- rtd->codec_dais[i]->card = card;
-
/* set default power off timeout */
rtd->pmdown_time = pmdown_time;
- /* probe the cpu_dai */
- if (!cpu_dai->probed &&
- cpu_dai->driver->probe_order == order) {
- if (cpu_dai->driver->probe) {
- ret = cpu_dai->driver->probe(cpu_dai);
- if (ret < 0) {
- dev_err(cpu_dai->dev,
- "ASoC: failed to probe CPU DAI %s: %d\n",
- cpu_dai->name, ret);
- return ret;
- }
- }
- cpu_dai->probed = 1;
- }
+ ret = soc_probe_dai(cpu_dai, order);
+ if (ret)
+ return ret;
/* probe the CODEC DAI */
for (i = 0; i < rtd->num_codecs; i++) {
- ret = soc_probe_codec_dai(card, rtd->codec_dais[i], order);
+ ret = soc_probe_dai(rtd->codec_dais[i], order);
if (ret)
return ret;
}
}
#endif
- ret = device_create_file(rtd->dev, &dev_attr_pmdown_time);
- if (ret < 0)
- dev_warn(rtd->dev, "ASoC: failed to add pmdown_time sysfs: %d\n",
- ret);
-
if (cpu_dai->driver->compress_dai) {
/*create compress_device"*/
ret = soc_new_compress(rtd, num);
}
}
- /* add platform data for AC97 devices */
- for (i = 0; i < rtd->num_codecs; i++) {
- if (rtd->codec_dais[i]->driver->ac97_control)
- snd_ac97_dev_add_pdata(rtd->codec_dais[i]->codec->ac97,
- rtd->cpu_dai->ac97_pdata);
- }
-
- return 0;
-}
-
-#ifdef CONFIG_SND_SOC_AC97_BUS
-static int soc_register_ac97_codec(struct snd_soc_codec *codec,
- struct snd_soc_dai *codec_dai)
-{
- int ret;
-
- /* Only instantiate AC97 if not already done by the adaptor
- * for the generic AC97 subsystem.
- */
- if (codec_dai->driver->ac97_control && !codec->ac97_registered) {
- /*
- * It is possible that the AC97 device is already registered to
- * the device subsystem. This happens when the device is created
- * via snd_ac97_mixer(). Currently only SoC codec that does so
- * is the generic AC97 glue but others migh emerge.
- *
- * In those cases we don't try to register the device again.
- */
- if (!codec->ac97_created)
- return 0;
-
- ret = soc_ac97_dev_register(codec);
- if (ret < 0) {
- dev_err(codec->dev,
- "ASoC: AC97 device register failed: %d\n", ret);
- return ret;
- }
-
- codec->ac97_registered = 1;
- }
- return 0;
-}
-
-static void soc_unregister_ac97_codec(struct snd_soc_codec *codec)
-{
- if (codec->ac97_registered) {
- soc_ac97_dev_unregister(codec);
- codec->ac97_registered = 0;
- }
-}
-
-static int soc_register_ac97_dai_link(struct snd_soc_pcm_runtime *rtd)
-{
- int i, ret;
-
- for (i = 0; i < rtd->num_codecs; i++) {
- struct snd_soc_dai *codec_dai = rtd->codec_dais[i];
-
- ret = soc_register_ac97_codec(codec_dai->codec, codec_dai);
- if (ret) {
- while (--i >= 0)
- soc_unregister_ac97_codec(codec_dai->codec);
- return ret;
- }
- }
-
return 0;
}
-static void soc_unregister_ac97_dai_link(struct snd_soc_pcm_runtime *rtd)
-{
- int i;
-
- for (i = 0; i < rtd->num_codecs; i++)
- soc_unregister_ac97_codec(rtd->codec_dais[i]->codec);
-}
-#endif
-
static int soc_bind_aux_dev(struct snd_soc_card *card, int num)
{
struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num];
return 0;
}
+/**
+ * snd_soc_runtime_set_dai_fmt() - Change DAI link format for a ASoC runtime
+ * @rtd: The runtime for which the DAI link format should be changed
+ * @dai_fmt: The new DAI link format
+ *
+ * This function updates the DAI link format for all DAIs connected to the DAI
+ * link for the specified runtime.
+ *
+ * Note: For setups with a static format set the dai_fmt field in the
+ * corresponding snd_dai_link struct instead of using this function.
+ *
+ * Returns 0 on success, otherwise a negative error code.
+ */
+int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
+ unsigned int dai_fmt)
+{
+ struct snd_soc_dai **codec_dais = rtd->codec_dais;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ unsigned int i;
+ int ret;
+
+ for (i = 0; i < rtd->num_codecs; i++) {
+ struct snd_soc_dai *codec_dai = codec_dais[i];
+
+ ret = snd_soc_dai_set_fmt(codec_dai, dai_fmt);
+ if (ret != 0 && ret != -ENOTSUPP) {
+ dev_warn(codec_dai->dev,
+ "ASoC: Failed to set DAI format: %d\n", ret);
+ return ret;
+ }
+ }
+
+ /* Flip the polarity for the "CPU" end of a CODEC<->CODEC link */
+ if (cpu_dai->codec) {
+ unsigned int inv_dai_fmt;
+
+ inv_dai_fmt = dai_fmt & ~SND_SOC_DAIFMT_MASTER_MASK;
+ switch (dai_fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ inv_dai_fmt |= SND_SOC_DAIFMT_CBS_CFS;
+ break;
+ case SND_SOC_DAIFMT_CBM_CFS:
+ inv_dai_fmt |= SND_SOC_DAIFMT_CBS_CFM;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFM:
+ inv_dai_fmt |= SND_SOC_DAIFMT_CBM_CFS;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ inv_dai_fmt |= SND_SOC_DAIFMT_CBM_CFM;
+ break;
+ }
+
+ dai_fmt = inv_dai_fmt;
+ }
+
+ ret = snd_soc_dai_set_fmt(cpu_dai, dai_fmt);
+ if (ret != 0 && ret != -ENOTSUPP) {
+ dev_warn(cpu_dai->dev,
+ "ASoC: Failed to set DAI format: %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_runtime_set_dai_fmt);
+
static int snd_soc_instantiate_card(struct snd_soc_card *card)
{
struct snd_soc_codec *codec;
- struct snd_soc_dai_link *dai_link;
- int ret, i, order, dai_fmt;
+ int ret, i, order;
+ mutex_lock(&client_mutex);
mutex_lock_nested(&card->mutex, SND_SOC_CARD_CLASS_INIT);
/* bind DAIs */
card->num_dapm_routes);
for (i = 0; i < card->num_links; i++) {
- struct snd_soc_pcm_runtime *rtd = &card->rtd[i];
- dai_link = &card->dai_link[i];
- dai_fmt = dai_link->dai_fmt;
-
- if (dai_fmt) {
- struct snd_soc_dai **codec_dais = rtd->codec_dais;
- int j;
-
- for (j = 0; j < rtd->num_codecs; j++) {
- struct snd_soc_dai *codec_dai = codec_dais[j];
-
- ret = snd_soc_dai_set_fmt(codec_dai, dai_fmt);
- if (ret != 0 && ret != -ENOTSUPP)
- dev_warn(codec_dai->dev,
- "ASoC: Failed to set DAI format: %d\n",
- ret);
- }
- }
-
- /* If this is a regular CPU link there will be a platform */
- if (dai_fmt &&
- (dai_link->platform_name || dai_link->platform_of_node)) {
- ret = snd_soc_dai_set_fmt(card->rtd[i].cpu_dai,
- dai_fmt);
- if (ret != 0 && ret != -ENOTSUPP)
- dev_warn(card->rtd[i].cpu_dai->dev,
- "ASoC: Failed to set DAI format: %d\n",
- ret);
- } else if (dai_fmt) {
- /* Flip the polarity for the "CPU" end */
- dai_fmt &= ~SND_SOC_DAIFMT_MASTER_MASK;
- switch (dai_link->dai_fmt &
- SND_SOC_DAIFMT_MASTER_MASK) {
- case SND_SOC_DAIFMT_CBM_CFM:
- dai_fmt |= SND_SOC_DAIFMT_CBS_CFS;
- break;
- case SND_SOC_DAIFMT_CBM_CFS:
- dai_fmt |= SND_SOC_DAIFMT_CBS_CFM;
- break;
- case SND_SOC_DAIFMT_CBS_CFM:
- dai_fmt |= SND_SOC_DAIFMT_CBM_CFS;
- break;
- case SND_SOC_DAIFMT_CBS_CFS:
- dai_fmt |= SND_SOC_DAIFMT_CBM_CFM;
- break;
- }
-
- ret = snd_soc_dai_set_fmt(card->rtd[i].cpu_dai,
- dai_fmt);
- if (ret != 0 && ret != -ENOTSUPP)
- dev_warn(card->rtd[i].cpu_dai->dev,
- "ASoC: Failed to set DAI format: %d\n",
- ret);
- }
+ if (card->dai_link[i].dai_fmt)
+ snd_soc_runtime_set_dai_fmt(&card->rtd[i],
+ card->dai_link[i].dai_fmt);
}
snprintf(card->snd_card->shortname, sizeof(card->snd_card->shortname),
}
}
- if (card->fully_routed)
- snd_soc_dapm_auto_nc_pins(card);
-
snd_soc_dapm_new_widgets(card);
ret = snd_card_register(card->snd_card);
goto probe_aux_dev_err;
}
-#ifdef CONFIG_SND_SOC_AC97_BUS
- /* register any AC97 codecs */
- for (i = 0; i < card->num_rtd; i++) {
- ret = soc_register_ac97_dai_link(&card->rtd[i]);
- if (ret < 0) {
- dev_err(card->dev,
- "ASoC: failed to register AC97: %d\n", ret);
- while (--i >= 0)
- soc_unregister_ac97_dai_link(&card->rtd[i]);
- goto probe_aux_dev_err;
- }
- }
-#endif
-
card->instantiated = 1;
snd_soc_dapm_sync(&card->dapm);
mutex_unlock(&card->mutex);
+ mutex_unlock(&client_mutex);
return 0;
base_error:
mutex_unlock(&card->mutex);
+ mutex_unlock(&client_mutex);
return ret;
}
static struct platform_driver soc_driver = {
.driver = {
.name = "soc-audio",
- .owner = THIS_MODULE,
.pm = &snd_soc_pm_ops,
},
.probe = soc_probe,
};
/**
- * snd_soc_new_ac97_codec - initailise AC97 device
- * @codec: audio codec
- * @ops: AC97 bus operations
- * @num: AC97 codec number
+ * snd_soc_cnew - create new control
+ * @_template: control template
+ * @data: control private data
+ * @long_name: control long name
+ * @prefix: control name prefix
+ *
+ * Create a new mixer control from a template control.
*
- * Initialises AC97 codec resources for use by ad-hoc devices only.
+ * Returns 0 for success, else error.
*/
-int snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
- struct snd_ac97_bus_ops *ops, int num)
+struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
+ void *data, const char *long_name,
+ const char *prefix)
{
- codec->ac97 = kzalloc(sizeof(struct snd_ac97), GFP_KERNEL);
- if (codec->ac97 == NULL)
- return -ENOMEM;
-
- codec->ac97->bus = kzalloc(sizeof(struct snd_ac97_bus), GFP_KERNEL);
- if (codec->ac97->bus == NULL) {
- kfree(codec->ac97);
- codec->ac97 = NULL;
- return -ENOMEM;
- }
-
- codec->ac97->bus->ops = ops;
- codec->ac97->num = num;
-
- /*
- * Mark the AC97 device to be created by us. This way we ensure that the
- * device will be registered with the device subsystem later on.
- */
- codec->ac97_created = 1;
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_soc_new_ac97_codec);
+ struct snd_kcontrol_new template;
+ struct snd_kcontrol *kcontrol;
+ char *name = NULL;
-static struct snd_ac97_reset_cfg snd_ac97_rst_cfg;
+ memcpy(&template, _template, sizeof(template));
+ template.index = 0;
-static void snd_soc_ac97_warm_reset(struct snd_ac97 *ac97)
-{
- struct pinctrl *pctl = snd_ac97_rst_cfg.pctl;
+ if (!long_name)
+ long_name = template.name;
- pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_warm_reset);
+ if (prefix) {
+ name = kasprintf(GFP_KERNEL, "%s %s", prefix, long_name);
+ if (!name)
+ return NULL;
- gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 1);
+ template.name = name;
+ } else {
+ template.name = long_name;
+ }
- udelay(10);
+ kcontrol = snd_ctl_new1(&template, data);
- gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 0);
+ kfree(name);
- pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_run);
- msleep(2);
+ return kcontrol;
}
+EXPORT_SYMBOL_GPL(snd_soc_cnew);
-static void snd_soc_ac97_reset(struct snd_ac97 *ac97)
+static int snd_soc_add_controls(struct snd_card *card, struct device *dev,
+ const struct snd_kcontrol_new *controls, int num_controls,
+ const char *prefix, void *data)
{
- struct pinctrl *pctl = snd_ac97_rst_cfg.pctl;
+ int err, i;
- pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_reset);
+ for (i = 0; i < num_controls; i++) {
+ const struct snd_kcontrol_new *control = &controls[i];
+ err = snd_ctl_add(card, snd_soc_cnew(control, data,
+ control->name, prefix));
+ if (err < 0) {
+ dev_err(dev, "ASoC: Failed to add %s: %d\n",
+ control->name, err);
+ return err;
+ }
+ }
- gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 0);
- gpio_direction_output(snd_ac97_rst_cfg.gpio_sdata, 0);
- gpio_direction_output(snd_ac97_rst_cfg.gpio_reset, 0);
+ return 0;
+}
- udelay(10);
+struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
+ const char *name)
+{
+ struct snd_card *card = soc_card->snd_card;
+ struct snd_kcontrol *kctl;
- gpio_direction_output(snd_ac97_rst_cfg.gpio_reset, 1);
+ if (unlikely(!name))
+ return NULL;
- pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_run);
- msleep(2);
+ list_for_each_entry(kctl, &card->controls, list)
+ if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name)))
+ return kctl;
+ return NULL;
}
+EXPORT_SYMBOL_GPL(snd_soc_card_get_kcontrol);
-static int snd_soc_ac97_parse_pinctl(struct device *dev,
- struct snd_ac97_reset_cfg *cfg)
+/**
+ * snd_soc_add_component_controls - Add an array of controls to a component.
+ *
+ * @component: Component to add controls to
+ * @controls: Array of controls to add
+ * @num_controls: Number of elements in the array
+ *
+ * Return: 0 for success, else error.
+ */
+int snd_soc_add_component_controls(struct snd_soc_component *component,
+ const struct snd_kcontrol_new *controls, unsigned int num_controls)
{
- struct pinctrl *p;
- struct pinctrl_state *state;
- int gpio;
- int ret;
+ struct snd_card *card = component->card->snd_card;
- p = devm_pinctrl_get(dev);
- if (IS_ERR(p)) {
- dev_err(dev, "Failed to get pinctrl\n");
- return PTR_ERR(p);
- }
- cfg->pctl = p;
-
- state = pinctrl_lookup_state(p, "ac97-reset");
- if (IS_ERR(state)) {
- dev_err(dev, "Can't find pinctrl state ac97-reset\n");
- return PTR_ERR(state);
- }
- cfg->pstate_reset = state;
-
- state = pinctrl_lookup_state(p, "ac97-warm-reset");
- if (IS_ERR(state)) {
- dev_err(dev, "Can't find pinctrl state ac97-warm-reset\n");
- return PTR_ERR(state);
- }
- cfg->pstate_warm_reset = state;
-
- state = pinctrl_lookup_state(p, "ac97-running");
- if (IS_ERR(state)) {
- dev_err(dev, "Can't find pinctrl state ac97-running\n");
- return PTR_ERR(state);
- }
- cfg->pstate_run = state;
-
- gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 0);
- if (gpio < 0) {
- dev_err(dev, "Can't find ac97-sync gpio\n");
- return gpio;
- }
- ret = devm_gpio_request(dev, gpio, "AC97 link sync");
- if (ret) {
- dev_err(dev, "Failed requesting ac97-sync gpio\n");
- return ret;
- }
- cfg->gpio_sync = gpio;
-
- gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 1);
- if (gpio < 0) {
- dev_err(dev, "Can't find ac97-sdata gpio %d\n", gpio);
- return gpio;
- }
- ret = devm_gpio_request(dev, gpio, "AC97 link sdata");
- if (ret) {
- dev_err(dev, "Failed requesting ac97-sdata gpio\n");
- return ret;
- }
- cfg->gpio_sdata = gpio;
-
- gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 2);
- if (gpio < 0) {
- dev_err(dev, "Can't find ac97-reset gpio\n");
- return gpio;
- }
- ret = devm_gpio_request(dev, gpio, "AC97 link reset");
- if (ret) {
- dev_err(dev, "Failed requesting ac97-reset gpio\n");
- return ret;
- }
- cfg->gpio_reset = gpio;
-
- return 0;
-}
-
-struct snd_ac97_bus_ops *soc_ac97_ops;
-EXPORT_SYMBOL_GPL(soc_ac97_ops);
-
-int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
-{
- if (ops == soc_ac97_ops)
- return 0;
-
- if (soc_ac97_ops && ops)
- return -EBUSY;
-
- soc_ac97_ops = ops;
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops);
-
-/**
- * snd_soc_set_ac97_ops_of_reset - Set ac97 ops with generic ac97 reset functions
- *
- * This function sets the reset and warm_reset properties of ops and parses
- * the device node of pdev to get pinctrl states and gpio numbers to use.
- */
-int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
- struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct snd_ac97_reset_cfg cfg;
- int ret;
-
- ret = snd_soc_ac97_parse_pinctl(dev, &cfg);
- if (ret)
- return ret;
-
- ret = snd_soc_set_ac97_ops(ops);
- if (ret)
- return ret;
-
- ops->warm_reset = snd_soc_ac97_warm_reset;
- ops->reset = snd_soc_ac97_reset;
-
- snd_ac97_rst_cfg = cfg;
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops_of_reset);
-
-/**
- * snd_soc_free_ac97_codec - free AC97 codec device
- * @codec: audio codec
- *
- * Frees AC97 codec device resources.
- */
-void snd_soc_free_ac97_codec(struct snd_soc_codec *codec)
-{
-#ifdef CONFIG_SND_SOC_AC97_BUS
- soc_unregister_ac97_codec(codec);
-#endif
- kfree(codec->ac97->bus);
- kfree(codec->ac97);
- codec->ac97 = NULL;
- codec->ac97_created = 0;
-}
-EXPORT_SYMBOL_GPL(snd_soc_free_ac97_codec);
-
-/**
- * snd_soc_cnew - create new control
- * @_template: control template
- * @data: control private data
- * @long_name: control long name
- * @prefix: control name prefix
- *
- * Create a new mixer control from a template control.
- *
- * Returns 0 for success, else error.
- */
-struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
- void *data, const char *long_name,
- const char *prefix)
-{
- struct snd_kcontrol_new template;
- struct snd_kcontrol *kcontrol;
- char *name = NULL;
-
- memcpy(&template, _template, sizeof(template));
- template.index = 0;
-
- if (!long_name)
- long_name = template.name;
-
- if (prefix) {
- name = kasprintf(GFP_KERNEL, "%s %s", prefix, long_name);
- if (!name)
- return NULL;
-
- template.name = name;
- } else {
- template.name = long_name;
- }
-
- kcontrol = snd_ctl_new1(&template, data);
-
- kfree(name);
-
- return kcontrol;
-}
-EXPORT_SYMBOL_GPL(snd_soc_cnew);
-
-static int snd_soc_add_controls(struct snd_card *card, struct device *dev,
- const struct snd_kcontrol_new *controls, int num_controls,
- const char *prefix, void *data)
-{
- int err, i;
-
- for (i = 0; i < num_controls; i++) {
- const struct snd_kcontrol_new *control = &controls[i];
- err = snd_ctl_add(card, snd_soc_cnew(control, data,
- control->name, prefix));
- if (err < 0) {
- dev_err(dev, "ASoC: Failed to add %s: %d\n",
- control->name, err);
- return err;
- }
- }
-
- return 0;
-}
-
-struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
- const char *name)
-{
- struct snd_card *card = soc_card->snd_card;
- struct snd_kcontrol *kctl;
-
- if (unlikely(!name))
- return NULL;
-
- list_for_each_entry(kctl, &card->controls, list)
- if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name)))
- return kctl;
- return NULL;
-}
-EXPORT_SYMBOL_GPL(snd_soc_card_get_kcontrol);
-
-/**
- * snd_soc_add_component_controls - Add an array of controls to a component.
- *
- * @component: Component to add controls to
- * @controls: Array of controls to add
- * @num_controls: Number of elements in the array
- *
- * Return: 0 for success, else error.
- */
-int snd_soc_add_component_controls(struct snd_soc_component *component,
- const struct snd_kcontrol_new *controls, unsigned int num_controls)
-{
- struct snd_card *card = component->card->snd_card;
-
- return snd_soc_add_controls(card, component->dev, controls,
- num_controls, component->name_prefix, component);
-}
-EXPORT_SYMBOL_GPL(snd_soc_add_component_controls);
-
-/**
- * snd_soc_add_codec_controls - add an array of controls to a codec.
- * Convenience function to add a list of controls. Many codecs were
- * duplicating this code.
- *
- * @codec: codec to add controls to
- * @controls: array of controls to add
- * @num_controls: number of elements in the array
- *
- * Return 0 for success, else error.
- */
-int snd_soc_add_codec_controls(struct snd_soc_codec *codec,
- const struct snd_kcontrol_new *controls, unsigned int num_controls)
-{
- return snd_soc_add_component_controls(&codec->component, controls,
- num_controls);
-}
-EXPORT_SYMBOL_GPL(snd_soc_add_codec_controls);
-
-/**
- * snd_soc_add_platform_controls - add an array of controls to a platform.
- * Convenience function to add a list of controls.
- *
- * @platform: platform to add controls to
- * @controls: array of controls to add
- * @num_controls: number of elements in the array
- *
- * Return 0 for success, else error.
- */
-int snd_soc_add_platform_controls(struct snd_soc_platform *platform,
- const struct snd_kcontrol_new *controls, unsigned int num_controls)
-{
- return snd_soc_add_component_controls(&platform->component, controls,
- num_controls);
-}
-EXPORT_SYMBOL_GPL(snd_soc_add_platform_controls);
-
-/**
- * snd_soc_add_card_controls - add an array of controls to a SoC card.
- * Convenience function to add a list of controls.
- *
- * @soc_card: SoC card to add controls to
- * @controls: array of controls to add
- * @num_controls: number of elements in the array
- *
- * Return 0 for success, else error.
- */
-int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
- const struct snd_kcontrol_new *controls, int num_controls)
-{
- struct snd_card *card = soc_card->snd_card;
-
- return snd_soc_add_controls(card, soc_card->dev, controls, num_controls,
- NULL, soc_card);
-}
-EXPORT_SYMBOL_GPL(snd_soc_add_card_controls);
-
-/**
- * snd_soc_add_dai_controls - add an array of controls to a DAI.
- * Convienience function to add a list of controls.
- *
- * @dai: DAI to add controls to
- * @controls: array of controls to add
- * @num_controls: number of elements in the array
- *
- * Return 0 for success, else error.
- */
-int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
- const struct snd_kcontrol_new *controls, int num_controls)
-{
- struct snd_card *card = dai->card->snd_card;
-
- return snd_soc_add_controls(card, dai->dev, controls, num_controls,
- NULL, dai);
-}
-EXPORT_SYMBOL_GPL(snd_soc_add_dai_controls);
-
-/**
- * snd_soc_info_enum_double - enumerated double mixer info callback
- * @kcontrol: mixer control
- * @uinfo: control element information
- *
- * Callback to provide information about a double enumerated
- * mixer control.
- *
- * Returns 0 for success.
- */
-int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_info *uinfo)
-{
- struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
-
- uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
- uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
- uinfo->value.enumerated.items = e->items;
-
- if (uinfo->value.enumerated.item >= e->items)
- uinfo->value.enumerated.item = e->items - 1;
- strlcpy(uinfo->value.enumerated.name,
- e->texts[uinfo->value.enumerated.item],
- sizeof(uinfo->value.enumerated.name));
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_soc_info_enum_double);
-
-/**
- * snd_soc_get_enum_double - enumerated double mixer get callback
- * @kcontrol: mixer control
- * @ucontrol: control element information
- *
- * Callback to get the value of a double enumerated mixer.
- *
- * Returns 0 for success.
- */
-int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
- unsigned int val, item;
- unsigned int reg_val;
- int ret;
-
- ret = snd_soc_component_read(component, e->reg, ®_val);
- if (ret)
- return ret;
- val = (reg_val >> e->shift_l) & e->mask;
- item = snd_soc_enum_val_to_item(e, val);
- ucontrol->value.enumerated.item[0] = item;
- if (e->shift_l != e->shift_r) {
- val = (reg_val >> e->shift_l) & e->mask;
- item = snd_soc_enum_val_to_item(e, val);
- ucontrol->value.enumerated.item[1] = item;
- }
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_soc_get_enum_double);
-
-/**
- * snd_soc_put_enum_double - enumerated double mixer put callback
- * @kcontrol: mixer control
- * @ucontrol: control element information
- *
- * Callback to set the value of a double enumerated mixer.
- *
- * Returns 0 for success.
- */
-int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
- unsigned int *item = ucontrol->value.enumerated.item;
- unsigned int val;
- unsigned int mask;
-
- if (item[0] >= e->items)
- return -EINVAL;
- val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l;
- mask = e->mask << e->shift_l;
- if (e->shift_l != e->shift_r) {
- if (item[1] >= e->items)
- return -EINVAL;
- val |= snd_soc_enum_item_to_val(e, item[1]) << e->shift_r;
- mask |= e->mask << e->shift_r;
- }
-
- return snd_soc_component_update_bits(component, e->reg, mask, val);
-}
-EXPORT_SYMBOL_GPL(snd_soc_put_enum_double);
-
-/**
- * snd_soc_read_signed - Read a codec register and interprete as signed value
- * @component: component
- * @reg: Register to read
- * @mask: Mask to use after shifting the register value
- * @shift: Right shift of register value
- * @sign_bit: Bit that describes if a number is negative or not.
- * @signed_val: Pointer to where the read value should be stored
- *
- * This functions reads a codec register. The register value is shifted right
- * by 'shift' bits and masked with the given 'mask'. Afterwards it translates
- * the given registervalue into a signed integer if sign_bit is non-zero.
- *
- * Returns 0 on sucess, otherwise an error value
- */
-static int snd_soc_read_signed(struct snd_soc_component *component,
- unsigned int reg, unsigned int mask, unsigned int shift,
- unsigned int sign_bit, int *signed_val)
-{
- int ret;
- unsigned int val;
-
- ret = snd_soc_component_read(component, reg, &val);
- if (ret < 0)
- return ret;
-
- val = (val >> shift) & mask;
-
- if (!sign_bit) {
- *signed_val = val;
- return 0;
- }
-
- /* non-negative number */
- if (!(val & BIT(sign_bit))) {
- *signed_val = val;
- return 0;
- }
-
- ret = val;
-
- /*
- * The register most probably does not contain a full-sized int.
- * Instead we have an arbitrary number of bits in a signed
- * representation which has to be translated into a full-sized int.
- * This is done by filling up all bits above the sign-bit.
- */
- ret |= ~((int)(BIT(sign_bit) - 1));
-
- *signed_val = ret;
-
- return 0;
-}
-
-/**
- * snd_soc_info_volsw - single mixer info callback
- * @kcontrol: mixer control
- * @uinfo: control element information
- *
- * Callback to provide information about a single mixer control, or a double
- * mixer control that spans 2 registers.
- *
- * Returns 0 for success.
- */
-int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_info *uinfo)
-{
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- int platform_max;
-
- if (!mc->platform_max)
- mc->platform_max = mc->max;
- platform_max = mc->platform_max;
-
- if (platform_max == 1 && !strstr(kcontrol->id.name, " Volume"))
- uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
- else
- uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
-
- uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1;
- uinfo->value.integer.min = 0;
- uinfo->value.integer.max = platform_max - mc->min;
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_soc_info_volsw);
-
-/**
- * snd_soc_get_volsw - single mixer get callback
- * @kcontrol: mixer control
- * @ucontrol: control element information
- *
- * Callback to get the value of a single mixer control, or a double mixer
- * control that spans 2 registers.
- *
- * Returns 0 for success.
- */
-int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- unsigned int reg = mc->reg;
- unsigned int reg2 = mc->rreg;
- unsigned int shift = mc->shift;
- unsigned int rshift = mc->rshift;
- int max = mc->max;
- int min = mc->min;
- int sign_bit = mc->sign_bit;
- unsigned int mask = (1 << fls(max)) - 1;
- unsigned int invert = mc->invert;
- int val;
- int ret;
-
- if (sign_bit)
- mask = BIT(sign_bit + 1) - 1;
-
- ret = snd_soc_read_signed(component, reg, mask, shift, sign_bit, &val);
- if (ret)
- return ret;
-
- ucontrol->value.integer.value[0] = val - min;
- if (invert)
- ucontrol->value.integer.value[0] =
- max - ucontrol->value.integer.value[0];
-
- if (snd_soc_volsw_is_stereo(mc)) {
- if (reg == reg2)
- ret = snd_soc_read_signed(component, reg, mask, rshift,
- sign_bit, &val);
- else
- ret = snd_soc_read_signed(component, reg2, mask, shift,
- sign_bit, &val);
- if (ret)
- return ret;
-
- ucontrol->value.integer.value[1] = val - min;
- if (invert)
- ucontrol->value.integer.value[1] =
- max - ucontrol->value.integer.value[1];
- }
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_soc_get_volsw);
-
-/**
- * snd_soc_put_volsw - single mixer put callback
- * @kcontrol: mixer control
- * @ucontrol: control element information
- *
- * Callback to set the value of a single mixer control, or a double mixer
- * control that spans 2 registers.
- *
- * Returns 0 for success.
- */
-int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- unsigned int reg = mc->reg;
- unsigned int reg2 = mc->rreg;
- unsigned int shift = mc->shift;
- unsigned int rshift = mc->rshift;
- int max = mc->max;
- int min = mc->min;
- unsigned int sign_bit = mc->sign_bit;
- unsigned int mask = (1 << fls(max)) - 1;
- unsigned int invert = mc->invert;
- int err;
- bool type_2r = false;
- unsigned int val2 = 0;
- unsigned int val, val_mask;
-
- if (sign_bit)
- mask = BIT(sign_bit + 1) - 1;
-
- val = ((ucontrol->value.integer.value[0] + min) & mask);
- if (invert)
- val = max - val;
- val_mask = mask << shift;
- val = val << shift;
- if (snd_soc_volsw_is_stereo(mc)) {
- val2 = ((ucontrol->value.integer.value[1] + min) & mask);
- if (invert)
- val2 = max - val2;
- if (reg == reg2) {
- val_mask |= mask << rshift;
- val |= val2 << rshift;
- } else {
- val2 = val2 << shift;
- type_2r = true;
- }
- }
- err = snd_soc_component_update_bits(component, reg, val_mask, val);
- if (err < 0)
- return err;
-
- if (type_2r)
- err = snd_soc_component_update_bits(component, reg2, val_mask,
- val2);
-
- return err;
-}
-EXPORT_SYMBOL_GPL(snd_soc_put_volsw);
-
-/**
- * snd_soc_get_volsw_sx - single mixer get callback
- * @kcontrol: mixer control
- * @ucontrol: control element information
- *
- * Callback to get the value of a single mixer control, or a double mixer
- * control that spans 2 registers.
- *
- * Returns 0 for success.
- */
-int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- unsigned int reg = mc->reg;
- unsigned int reg2 = mc->rreg;
- unsigned int shift = mc->shift;
- unsigned int rshift = mc->rshift;
- int max = mc->max;
- int min = mc->min;
- int mask = (1 << (fls(min + max) - 1)) - 1;
- unsigned int val;
- int ret;
-
- ret = snd_soc_component_read(component, reg, &val);
- if (ret < 0)
- return ret;
-
- ucontrol->value.integer.value[0] = ((val >> shift) - min) & mask;
-
- if (snd_soc_volsw_is_stereo(mc)) {
- ret = snd_soc_component_read(component, reg2, &val);
- if (ret < 0)
- return ret;
-
- val = ((val >> rshift) - min) & mask;
- ucontrol->value.integer.value[1] = val;
- }
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_soc_get_volsw_sx);
-
-/**
- * snd_soc_put_volsw_sx - double mixer set callback
- * @kcontrol: mixer control
- * @uinfo: control element information
- *
- * Callback to set the value of a double mixer control that spans 2 registers.
- *
- * Returns 0 for success.
- */
-int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
-
- unsigned int reg = mc->reg;
- unsigned int reg2 = mc->rreg;
- unsigned int shift = mc->shift;
- unsigned int rshift = mc->rshift;
- int max = mc->max;
- int min = mc->min;
- int mask = (1 << (fls(min + max) - 1)) - 1;
- int err = 0;
- unsigned int val, val_mask, val2 = 0;
-
- val_mask = mask << shift;
- val = (ucontrol->value.integer.value[0] + min) & mask;
- val = val << shift;
-
- err = snd_soc_component_update_bits(component, reg, val_mask, val);
- if (err < 0)
- return err;
-
- if (snd_soc_volsw_is_stereo(mc)) {
- val_mask = mask << rshift;
- val2 = (ucontrol->value.integer.value[1] + min) & mask;
- val2 = val2 << rshift;
-
- err = snd_soc_component_update_bits(component, reg2, val_mask,
- val2);
- }
- return err;
-}
-EXPORT_SYMBOL_GPL(snd_soc_put_volsw_sx);
-
-/**
- * snd_soc_info_volsw_s8 - signed mixer info callback
- * @kcontrol: mixer control
- * @uinfo: control element information
- *
- * Callback to provide information about a signed mixer control.
- *
- * Returns 0 for success.
- */
-int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_info *uinfo)
-{
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- int platform_max;
- int min = mc->min;
-
- if (!mc->platform_max)
- mc->platform_max = mc->max;
- platform_max = mc->platform_max;
-
- uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
- uinfo->count = 2;
- uinfo->value.integer.min = 0;
- uinfo->value.integer.max = platform_max - min;
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_soc_info_volsw_s8);
-
-/**
- * snd_soc_get_volsw_s8 - signed mixer get callback
- * @kcontrol: mixer control
- * @ucontrol: control element information
- *
- * Callback to get the value of a signed mixer control.
- *
- * Returns 0 for success.
- */
-int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- unsigned int reg = mc->reg;
- unsigned int val;
- int min = mc->min;
- int ret;
-
- ret = snd_soc_component_read(component, reg, &val);
- if (ret)
- return ret;
-
- ucontrol->value.integer.value[0] =
- ((signed char)(val & 0xff))-min;
- ucontrol->value.integer.value[1] =
- ((signed char)((val >> 8) & 0xff))-min;
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_soc_get_volsw_s8);
-
-/**
- * snd_soc_put_volsw_sgn - signed mixer put callback
- * @kcontrol: mixer control
- * @ucontrol: control element information
- *
- * Callback to set the value of a signed mixer control.
- *
- * Returns 0 for success.
- */
-int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- unsigned int reg = mc->reg;
- int min = mc->min;
- unsigned int val;
-
- val = (ucontrol->value.integer.value[0]+min) & 0xff;
- val |= ((ucontrol->value.integer.value[1]+min) & 0xff) << 8;
-
- return snd_soc_component_update_bits(component, reg, 0xffff, val);
-}
-EXPORT_SYMBOL_GPL(snd_soc_put_volsw_s8);
-
-/**
- * snd_soc_info_volsw_range - single mixer info callback with range.
- * @kcontrol: mixer control
- * @uinfo: control element information
- *
- * Callback to provide information, within a range, about a single
- * mixer control.
- *
- * returns 0 for success.
- */
-int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_info *uinfo)
-{
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- int platform_max;
- int min = mc->min;
-
- if (!mc->platform_max)
- mc->platform_max = mc->max;
- platform_max = mc->platform_max;
-
- uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
- uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1;
- uinfo->value.integer.min = 0;
- uinfo->value.integer.max = platform_max - min;
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_soc_info_volsw_range);
-
-/**
- * snd_soc_put_volsw_range - single mixer put value callback with range.
- * @kcontrol: mixer control
- * @ucontrol: control element information
- *
- * Callback to set the value, within a range, for a single mixer control.
- *
- * Returns 0 for success.
- */
-int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- unsigned int reg = mc->reg;
- unsigned int rreg = mc->rreg;
- unsigned int shift = mc->shift;
- int min = mc->min;
- int max = mc->max;
- unsigned int mask = (1 << fls(max)) - 1;
- unsigned int invert = mc->invert;
- unsigned int val, val_mask;
- int ret;
-
- if (invert)
- val = (max - ucontrol->value.integer.value[0]) & mask;
- else
- val = ((ucontrol->value.integer.value[0] + min) & mask);
- val_mask = mask << shift;
- val = val << shift;
-
- ret = snd_soc_component_update_bits(component, reg, val_mask, val);
- if (ret < 0)
- return ret;
-
- if (snd_soc_volsw_is_stereo(mc)) {
- if (invert)
- val = (max - ucontrol->value.integer.value[1]) & mask;
- else
- val = ((ucontrol->value.integer.value[1] + min) & mask);
- val_mask = mask << shift;
- val = val << shift;
-
- ret = snd_soc_component_update_bits(component, rreg, val_mask,
- val);
- }
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(snd_soc_put_volsw_range);
-
-/**
- * snd_soc_get_volsw_range - single mixer get callback with range
- * @kcontrol: mixer control
- * @ucontrol: control element information
- *
- * Callback to get the value, within a range, of a single mixer control.
- *
- * Returns 0 for success.
- */
-int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- unsigned int reg = mc->reg;
- unsigned int rreg = mc->rreg;
- unsigned int shift = mc->shift;
- int min = mc->min;
- int max = mc->max;
- unsigned int mask = (1 << fls(max)) - 1;
- unsigned int invert = mc->invert;
- unsigned int val;
- int ret;
-
- ret = snd_soc_component_read(component, reg, &val);
- if (ret)
- return ret;
-
- ucontrol->value.integer.value[0] = (val >> shift) & mask;
- if (invert)
- ucontrol->value.integer.value[0] =
- max - ucontrol->value.integer.value[0];
- else
- ucontrol->value.integer.value[0] =
- ucontrol->value.integer.value[0] - min;
-
- if (snd_soc_volsw_is_stereo(mc)) {
- ret = snd_soc_component_read(component, rreg, &val);
- if (ret)
- return ret;
-
- ucontrol->value.integer.value[1] = (val >> shift) & mask;
- if (invert)
- ucontrol->value.integer.value[1] =
- max - ucontrol->value.integer.value[1];
- else
- ucontrol->value.integer.value[1] =
- ucontrol->value.integer.value[1] - min;
- }
-
- return 0;
+ return snd_soc_add_controls(card, component->dev, controls,
+ num_controls, component->name_prefix, component);
}
-EXPORT_SYMBOL_GPL(snd_soc_get_volsw_range);
+EXPORT_SYMBOL_GPL(snd_soc_add_component_controls);
/**
- * snd_soc_limit_volume - Set new limit to an existing volume control.
+ * snd_soc_add_codec_controls - add an array of controls to a codec.
+ * Convenience function to add a list of controls. Many codecs were
+ * duplicating this code.
*
- * @codec: where to look for the control
- * @name: Name of the control
- * @max: new maximum limit
+ * @codec: codec to add controls to
+ * @controls: array of controls to add
+ * @num_controls: number of elements in the array
*
* Return 0 for success, else error.
*/
-int snd_soc_limit_volume(struct snd_soc_codec *codec,
- const char *name, int max)
-{
- struct snd_card *card = codec->component.card->snd_card;
- struct snd_kcontrol *kctl;
- struct soc_mixer_control *mc;
- int found = 0;
- int ret = -EINVAL;
-
- /* Sanity check for name and max */
- if (unlikely(!name || max <= 0))
- return -EINVAL;
-
- list_for_each_entry(kctl, &card->controls, list) {
- if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) {
- found = 1;
- break;
- }
- }
- if (found) {
- mc = (struct soc_mixer_control *)kctl->private_value;
- if (max <= mc->max) {
- mc->platform_max = max;
- ret = 0;
- }
- }
- return ret;
-}
-EXPORT_SYMBOL_GPL(snd_soc_limit_volume);
-
-int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_info *uinfo)
-{
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_bytes *params = (void *)kcontrol->private_value;
-
- uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
- uinfo->count = params->num_regs * component->val_bytes;
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_soc_bytes_info);
-
-int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_bytes *params = (void *)kcontrol->private_value;
- int ret;
-
- if (component->regmap)
- ret = regmap_raw_read(component->regmap, params->base,
- ucontrol->value.bytes.data,
- params->num_regs * component->val_bytes);
- else
- ret = -EINVAL;
-
- /* Hide any masked bytes to ensure consistent data reporting */
- if (ret == 0 && params->mask) {
- switch (component->val_bytes) {
- case 1:
- ucontrol->value.bytes.data[0] &= ~params->mask;
- break;
- case 2:
- ((u16 *)(&ucontrol->value.bytes.data))[0]
- &= cpu_to_be16(~params->mask);
- break;
- case 4:
- ((u32 *)(&ucontrol->value.bytes.data))[0]
- &= cpu_to_be32(~params->mask);
- break;
- default:
- return -EINVAL;
- }
- }
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(snd_soc_bytes_get);
-
-int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_bytes *params = (void *)kcontrol->private_value;
- int ret, len;
- unsigned int val, mask;
- void *data;
-
- if (!component->regmap || !params->num_regs)
- return -EINVAL;
-
- len = params->num_regs * component->val_bytes;
-
- data = kmemdup(ucontrol->value.bytes.data, len, GFP_KERNEL | GFP_DMA);
- if (!data)
- return -ENOMEM;
-
- /*
- * If we've got a mask then we need to preserve the register
- * bits. We shouldn't modify the incoming data so take a
- * copy.
- */
- if (params->mask) {
- ret = regmap_read(component->regmap, params->base, &val);
- if (ret != 0)
- goto out;
-
- val &= params->mask;
-
- switch (component->val_bytes) {
- case 1:
- ((u8 *)data)[0] &= ~params->mask;
- ((u8 *)data)[0] |= val;
- break;
- case 2:
- mask = ~params->mask;
- ret = regmap_parse_val(component->regmap,
- &mask, &mask);
- if (ret != 0)
- goto out;
-
- ((u16 *)data)[0] &= mask;
-
- ret = regmap_parse_val(component->regmap,
- &val, &val);
- if (ret != 0)
- goto out;
-
- ((u16 *)data)[0] |= val;
- break;
- case 4:
- mask = ~params->mask;
- ret = regmap_parse_val(component->regmap,
- &mask, &mask);
- if (ret != 0)
- goto out;
-
- ((u32 *)data)[0] &= mask;
-
- ret = regmap_parse_val(component->regmap,
- &val, &val);
- if (ret != 0)
- goto out;
-
- ((u32 *)data)[0] |= val;
- break;
- default:
- ret = -EINVAL;
- goto out;
- }
- }
-
- ret = regmap_raw_write(component->regmap, params->base,
- data, len);
-
-out:
- kfree(data);
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(snd_soc_bytes_put);
-
-int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_info *ucontrol)
-{
- struct soc_bytes_ext *params = (void *)kcontrol->private_value;
-
- ucontrol->type = SNDRV_CTL_ELEM_TYPE_BYTES;
- ucontrol->count = params->max;
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_soc_bytes_info_ext);
-
-int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
- unsigned int size, unsigned int __user *tlv)
-{
- struct soc_bytes_ext *params = (void *)kcontrol->private_value;
- unsigned int count = size < params->max ? size : params->max;
- int ret = -ENXIO;
-
- switch (op_flag) {
- case SNDRV_CTL_TLV_OP_READ:
- if (params->get)
- ret = params->get(tlv, count);
- break;
- case SNDRV_CTL_TLV_OP_WRITE:
- if (params->put)
- ret = params->put(tlv, count);
- break;
- }
- return ret;
-}
-EXPORT_SYMBOL_GPL(snd_soc_bytes_tlv_callback);
-
-/**
- * snd_soc_info_xr_sx - signed multi register info callback
- * @kcontrol: mreg control
- * @uinfo: control element information
- *
- * Callback to provide information of a control that can
- * span multiple codec registers which together
- * forms a single signed value in a MSB/LSB manner.
- *
- * Returns 0 for success.
- */
-int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_info *uinfo)
-{
- struct soc_mreg_control *mc =
- (struct soc_mreg_control *)kcontrol->private_value;
- uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
- uinfo->count = 1;
- uinfo->value.integer.min = mc->min;
- uinfo->value.integer.max = mc->max;
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_soc_info_xr_sx);
-
-/**
- * snd_soc_get_xr_sx - signed multi register get callback
- * @kcontrol: mreg control
- * @ucontrol: control element information
- *
- * Callback to get the value of a control that can span
- * multiple codec registers which together forms a single
- * signed value in a MSB/LSB manner. The control supports
- * specifying total no of bits used to allow for bitfields
- * across the multiple codec registers.
- *
- * Returns 0 for success.
- */
-int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
+int snd_soc_add_codec_controls(struct snd_soc_codec *codec,
+ const struct snd_kcontrol_new *controls, unsigned int num_controls)
{
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_mreg_control *mc =
- (struct soc_mreg_control *)kcontrol->private_value;
- unsigned int regbase = mc->regbase;
- unsigned int regcount = mc->regcount;
- unsigned int regwshift = component->val_bytes * BITS_PER_BYTE;
- unsigned int regwmask = (1<<regwshift)-1;
- unsigned int invert = mc->invert;
- unsigned long mask = (1UL<<mc->nbits)-1;
- long min = mc->min;
- long max = mc->max;
- long val = 0;
- unsigned int regval;
- unsigned int i;
- int ret;
-
- for (i = 0; i < regcount; i++) {
- ret = snd_soc_component_read(component, regbase+i, ®val);
- if (ret)
- return ret;
- val |= (regval & regwmask) << (regwshift*(regcount-i-1));
- }
- val &= mask;
- if (min < 0 && val > max)
- val |= ~mask;
- if (invert)
- val = max - val;
- ucontrol->value.integer.value[0] = val;
-
- return 0;
+ return snd_soc_add_component_controls(&codec->component, controls,
+ num_controls);
}
-EXPORT_SYMBOL_GPL(snd_soc_get_xr_sx);
+EXPORT_SYMBOL_GPL(snd_soc_add_codec_controls);
/**
- * snd_soc_put_xr_sx - signed multi register get callback
- * @kcontrol: mreg control
- * @ucontrol: control element information
+ * snd_soc_add_platform_controls - add an array of controls to a platform.
+ * Convenience function to add a list of controls.
*
- * Callback to set the value of a control that can span
- * multiple codec registers which together forms a single
- * signed value in a MSB/LSB manner. The control supports
- * specifying total no of bits used to allow for bitfields
- * across the multiple codec registers.
+ * @platform: platform to add controls to
+ * @controls: array of controls to add
+ * @num_controls: number of elements in the array
*
- * Returns 0 for success.
+ * Return 0 for success, else error.
*/
-int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
+int snd_soc_add_platform_controls(struct snd_soc_platform *platform,
+ const struct snd_kcontrol_new *controls, unsigned int num_controls)
{
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_mreg_control *mc =
- (struct soc_mreg_control *)kcontrol->private_value;
- unsigned int regbase = mc->regbase;
- unsigned int regcount = mc->regcount;
- unsigned int regwshift = component->val_bytes * BITS_PER_BYTE;
- unsigned int regwmask = (1<<regwshift)-1;
- unsigned int invert = mc->invert;
- unsigned long mask = (1UL<<mc->nbits)-1;
- long max = mc->max;
- long val = ucontrol->value.integer.value[0];
- unsigned int i, regval, regmask;
- int err;
-
- if (invert)
- val = max - val;
- val &= mask;
- for (i = 0; i < regcount; i++) {
- regval = (val >> (regwshift*(regcount-i-1))) & regwmask;
- regmask = (mask >> (regwshift*(regcount-i-1))) & regwmask;
- err = snd_soc_component_update_bits(component, regbase+i,
- regmask, regval);
- if (err < 0)
- return err;
- }
-
- return 0;
+ return snd_soc_add_component_controls(&platform->component, controls,
+ num_controls);
}
-EXPORT_SYMBOL_GPL(snd_soc_put_xr_sx);
+EXPORT_SYMBOL_GPL(snd_soc_add_platform_controls);
/**
- * snd_soc_get_strobe - strobe get callback
- * @kcontrol: mixer control
- * @ucontrol: control element information
+ * snd_soc_add_card_controls - add an array of controls to a SoC card.
+ * Convenience function to add a list of controls.
*
- * Callback get the value of a strobe mixer control.
+ * @soc_card: SoC card to add controls to
+ * @controls: array of controls to add
+ * @num_controls: number of elements in the array
*
- * Returns 0 for success.
+ * Return 0 for success, else error.
*/
-int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
+int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
+ const struct snd_kcontrol_new *controls, int num_controls)
{
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- unsigned int reg = mc->reg;
- unsigned int shift = mc->shift;
- unsigned int mask = 1 << shift;
- unsigned int invert = mc->invert != 0;
- unsigned int val;
- int ret;
-
- ret = snd_soc_component_read(component, reg, &val);
- if (ret)
- return ret;
-
- val &= mask;
-
- if (shift != 0 && val != 0)
- val = val >> shift;
- ucontrol->value.enumerated.item[0] = val ^ invert;
+ struct snd_card *card = soc_card->snd_card;
- return 0;
+ return snd_soc_add_controls(card, soc_card->dev, controls, num_controls,
+ NULL, soc_card);
}
-EXPORT_SYMBOL_GPL(snd_soc_get_strobe);
+EXPORT_SYMBOL_GPL(snd_soc_add_card_controls);
/**
- * snd_soc_put_strobe - strobe put callback
- * @kcontrol: mixer control
- * @ucontrol: control element information
+ * snd_soc_add_dai_controls - add an array of controls to a DAI.
+ * Convienience function to add a list of controls.
*
- * Callback strobe a register bit to high then low (or the inverse)
- * in one pass of a single mixer enum control.
+ * @dai: DAI to add controls to
+ * @controls: array of controls to add
+ * @num_controls: number of elements in the array
*
- * Returns 1 for success.
+ * Return 0 for success, else error.
*/
-int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
+int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
+ const struct snd_kcontrol_new *controls, int num_controls)
{
- struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- unsigned int reg = mc->reg;
- unsigned int shift = mc->shift;
- unsigned int mask = 1 << shift;
- unsigned int invert = mc->invert != 0;
- unsigned int strobe = ucontrol->value.enumerated.item[0] != 0;
- unsigned int val1 = (strobe ^ invert) ? mask : 0;
- unsigned int val2 = (strobe ^ invert) ? 0 : mask;
- int err;
-
- err = snd_soc_component_update_bits(component, reg, mask, val1);
- if (err < 0)
- return err;
+ struct snd_card *card = dai->component->card->snd_card;
- return snd_soc_component_update_bits(component, reg, mask, val2);
+ return snd_soc_add_controls(card, dai->dev, controls, num_controls,
+ NULL, dai);
}
-EXPORT_SYMBOL_GPL(snd_soc_put_strobe);
+EXPORT_SYMBOL_GPL(snd_soc_add_dai_controls);
/**
* snd_soc_dai_set_sysclk - configure DAI system or master clock.
}
/**
- * snd_soc_dai_set_tdm_slot - configure DAI TDM.
- * @dai: DAI
+ * snd_soc_dai_set_tdm_slot() - Configures a DAI for TDM operation
+ * @dai: The DAI to configure
* @tx_mask: bitmask representing active TX slots.
* @rx_mask: bitmask representing active RX slots.
* @slots: Number of slots in use.
* @slot_width: Width in bits for each slot.
*
- * Configures a DAI for TDM operation. Both mask and slots are codec and DAI
- * specific.
+ * This function configures the specified DAI for TDM operation. @slot contains
+ * the total number of slots of the TDM stream and @slot_with the width of each
+ * slot in bit clock cycles. @tx_mask and @rx_mask are bitmasks specifying the
+ * active slots of the TDM stream for the specified DAI, i.e. which slots the
+ * DAI should write to or read from. If a bit is set the corresponding slot is
+ * active, if a bit is cleared the corresponding slot is inactive. Bit 0 maps to
+ * the first slot, bit 1 to the second slot and so on. The first active slot
+ * maps to the first channel of the DAI, the second active slot to the second
+ * channel and so on.
+ *
+ * TDM mode can be disabled by passing 0 for @slots. In this case @tx_mask,
+ * @rx_mask and @slot_width will be ignored.
+ *
+ * Returns 0 on success, a negative error code otherwise.
*/
int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai,
unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width)
card->instantiated = false;
snd_soc_dapm_shutdown(card);
soc_cleanup_card_resources(card);
+ dev_dbg(card->dev, "ASoC: Unregistered card '%s'\n", card->name);
}
- dev_dbg(card->dev, "ASoC: Unregistered card '%s'\n", card->name);
return 0;
}
return 0;
}
-static void snd_soc_component_init_regmap(struct snd_soc_component *component)
+static void snd_soc_component_setup_regmap(struct snd_soc_component *component)
{
- if (!component->regmap)
- component->regmap = dev_get_regmap(component->dev, NULL);
- if (component->regmap) {
- int val_bytes = regmap_get_val_bytes(component->regmap);
- /* Errors are legitimate for non-integer byte multiples */
- if (val_bytes > 0)
- component->val_bytes = val_bytes;
- }
+ int val_bytes = regmap_get_val_bytes(component->regmap);
+
+ /* Errors are legitimate for non-integer byte multiples */
+ if (val_bytes > 0)
+ component->val_bytes = val_bytes;
+}
+
+#ifdef CONFIG_REGMAP
+
+/**
+ * snd_soc_component_init_regmap() - Initialize regmap instance for the component
+ * @component: The component for which to initialize the regmap instance
+ * @regmap: The regmap instance that should be used by the component
+ *
+ * This function allows deferred assignment of the regmap instance that is
+ * associated with the component. Only use this if the regmap instance is not
+ * yet ready when the component is registered. The function must also be called
+ * before the first IO attempt of the component.
+ */
+void snd_soc_component_init_regmap(struct snd_soc_component *component,
+ struct regmap *regmap)
+{
+ component->regmap = regmap;
+ snd_soc_component_setup_regmap(component);
}
+EXPORT_SYMBOL_GPL(snd_soc_component_init_regmap);
+
+/**
+ * snd_soc_component_exit_regmap() - De-initialize regmap instance for the component
+ * @component: The component for which to de-initialize the regmap instance
+ *
+ * Calls regmap_exit() on the regmap instance associated to the component and
+ * removes the regmap instance from the component.
+ *
+ * This function should only be used if snd_soc_component_init_regmap() was used
+ * to initialize the regmap instance.
+ */
+void snd_soc_component_exit_regmap(struct snd_soc_component *component)
+{
+ regmap_exit(component->regmap);
+ component->regmap = NULL;
+}
+EXPORT_SYMBOL_GPL(snd_soc_component_exit_regmap);
+
+#endif
static void snd_soc_component_add_unlocked(struct snd_soc_component *component)
{
- if (!component->write && !component->read)
- snd_soc_component_init_regmap(component);
+ if (!component->write && !component->read) {
+ if (!component->regmap)
+ component->regmap = dev_get_regmap(component->dev, NULL);
+ if (component->regmap)
+ snd_soc_component_setup_regmap(component);
+ }
list_add(&component->list, &component_list);
}
list_del(&component->list);
}
-static void snd_soc_component_del(struct snd_soc_component *component)
-{
- mutex_lock(&client_mutex);
- snd_soc_component_del_unlocked(component);
- mutex_unlock(&client_mutex);
-}
-
int snd_soc_register_component(struct device *dev,
const struct snd_soc_component_driver *cmpnt_drv,
struct snd_soc_dai_driver *dai_drv,
ret = snd_soc_register_dais(cmpnt, dai_drv, num_dai, true);
if (ret < 0) {
- dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret);
+ dev_err(dev, "ASoC: Failed to register DAIs: %d\n", ret);
goto err_cleanup;
}
{
struct snd_soc_component *cmpnt;
+ mutex_lock(&client_mutex);
list_for_each_entry(cmpnt, &component_list, list) {
if (dev == cmpnt->dev && cmpnt->registered_as_component)
goto found;
}
+ mutex_unlock(&client_mutex);
return;
found:
- snd_soc_component_del(cmpnt);
+ snd_soc_component_del_unlocked(cmpnt);
+ mutex_unlock(&client_mutex);
snd_soc_component_cleanup(cmpnt);
kfree(cmpnt);
}
{
struct snd_soc_platform *platform;
+ mutex_lock(&client_mutex);
list_for_each_entry(platform, &platform_list, list) {
- if (dev == platform->dev)
+ if (dev == platform->dev) {
+ mutex_unlock(&client_mutex);
return platform;
+ }
}
+ mutex_unlock(&client_mutex);
return NULL;
}
codec->dev = dev;
codec->driver = codec_drv;
codec->component.val_bytes = codec_drv->reg_word_size;
- mutex_init(&codec->mutex);
#ifdef CONFIG_DEBUG_FS
codec->component.init_debugfs = soc_init_codec_debugfs;
ret = snd_soc_register_dais(&codec->component, dai_drv, num_dai, false);
if (ret < 0) {
- dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret);
+ dev_err(dev, "ASoC: Failed to register DAIs: %d\n", ret);
goto err_cleanup;
}
{
struct snd_soc_codec *codec;
+ mutex_lock(&client_mutex);
list_for_each_entry(codec, &codec_list, list) {
if (dev == codec->dev)
goto found;
}
+ mutex_unlock(&client_mutex);
return;
found:
-
- mutex_lock(&client_mutex);
list_del(&codec->list);
snd_soc_component_del_unlocked(&codec->component);
mutex_unlock(&client_mutex);
}
EXPORT_SYMBOL_GPL(snd_soc_of_parse_daifmt);
-int snd_soc_of_get_dai_name(struct device_node *of_node,
- const char **dai_name)
+static int snd_soc_get_dai_name(struct of_phandle_args *args,
+ const char **dai_name)
{
struct snd_soc_component *pos;
- struct of_phandle_args args;
- int ret;
-
- ret = of_parse_phandle_with_args(of_node, "sound-dai",
- "#sound-dai-cells", 0, &args);
- if (ret)
- return ret;
-
- ret = -EPROBE_DEFER;
+ int ret = -EPROBE_DEFER;
mutex_lock(&client_mutex);
list_for_each_entry(pos, &component_list, list) {
- if (pos->dev->of_node != args.np)
+ if (pos->dev->of_node != args->np)
continue;
if (pos->driver->of_xlate_dai_name) {
- ret = pos->driver->of_xlate_dai_name(pos, &args, dai_name);
+ ret = pos->driver->of_xlate_dai_name(pos,
+ args,
+ dai_name);
} else {
int id = -1;
- switch (args.args_count) {
+ switch (args->args_count) {
case 0:
id = 0; /* same as dai_drv[0] */
break;
case 1:
- id = args.args[0];
+ id = args->args[0];
break;
default:
/* not supported */
break;
}
mutex_unlock(&client_mutex);
+ return ret;
+}
+
+int snd_soc_of_get_dai_name(struct device_node *of_node,
+ const char **dai_name)
+{
+ struct of_phandle_args args;
+ int ret;
+
+ ret = of_parse_phandle_with_args(of_node, "sound-dai",
+ "#sound-dai-cells", 0, &args);
+ if (ret)
+ return ret;
+
+ ret = snd_soc_get_dai_name(&args, dai_name);
of_node_put(args.np);
}
EXPORT_SYMBOL_GPL(snd_soc_of_get_dai_name);
+/*
+ * snd_soc_of_get_dai_link_codecs - Parse a list of CODECs in the devicetree
+ * @dev: Card device
+ * @of_node: Device node
+ * @dai_link: DAI link
+ *
+ * Builds an array of CODEC DAI components from the DAI link property
+ * 'sound-dai'.
+ * The array is set in the DAI link and the number of DAIs is set accordingly.
+ * The device nodes in the array (of_node) must be dereferenced by the caller.
+ *
+ * Returns 0 for success
+ */
+int snd_soc_of_get_dai_link_codecs(struct device *dev,
+ struct device_node *of_node,
+ struct snd_soc_dai_link *dai_link)
+{
+ struct of_phandle_args args;
+ struct snd_soc_dai_link_component *component;
+ char *name;
+ int index, num_codecs, ret;
+
+ /* Count the number of CODECs */
+ name = "sound-dai";
+ num_codecs = of_count_phandle_with_args(of_node, name,
+ "#sound-dai-cells");
+ if (num_codecs <= 0) {
+ if (num_codecs == -ENOENT)
+ dev_err(dev, "No 'sound-dai' property\n");
+ else
+ dev_err(dev, "Bad phandle in 'sound-dai'\n");
+ return num_codecs;
+ }
+ component = devm_kzalloc(dev,
+ sizeof *component * num_codecs,
+ GFP_KERNEL);
+ if (!component)
+ return -ENOMEM;
+ dai_link->codecs = component;
+ dai_link->num_codecs = num_codecs;
+
+ /* Parse the list */
+ for (index = 0, component = dai_link->codecs;
+ index < dai_link->num_codecs;
+ index++, component++) {
+ ret = of_parse_phandle_with_args(of_node, name,
+ "#sound-dai-cells",
+ index, &args);
+ if (ret)
+ goto err;
+ component->of_node = args.np;
+ ret = snd_soc_get_dai_name(&args, &component->dai_name);
+ if (ret < 0)
+ goto err;
+ }
+ return 0;
+err:
+ for (index = 0, component = dai_link->codecs;
+ index < dai_link->num_codecs;
+ index++, component++) {
+ if (!component->of_node)
+ break;
+ of_node_put(component->of_node);
+ component->of_node = NULL;
+ }
+ dai_link->codecs = NULL;
+ dai_link->num_codecs = 0;
+ return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_of_get_dai_link_codecs);
+
static int __init snd_soc_init(void)
{
#ifdef CONFIG_DEBUG_FS
return -EINVAL;
}
if (field->name[0] == '[') {
- pr_err("Semantic error: %s is not a pointor"
+ pr_err("Semantic error: %s is not a pointer"
" nor array.\n", varname);
return -EINVAL;
}
int ret = 0;
#if _ELFUTILS_PREREQ(0, 142)
+ Elf *elf;
+ GElf_Ehdr ehdr;
+ GElf_Shdr shdr;
+
/* Get the call frame information from this dwarf */
- pf->cfi = dwarf_getcfi_elf(dwarf_getelf(dbg->dbg));
+ elf = dwarf_getelf(dbg->dbg);
+ if (elf == NULL)
+ return -EINVAL;
+
+ if (gelf_getehdr(elf, &ehdr) == NULL)
+ return -EINVAL;
+
+ if (elf_section_by_name(elf, &ehdr, &shdr, ".eh_frame", NULL) &&
+ shdr.sh_type == SHT_PROGBITS) {
+ pf->cfi = dwarf_getcfi_elf(elf);
+ } else {
+ pf->cfi = dwarf_getcfi(dbg->dbg);
+ }
#endif
off = 0;
projects / cascardo / linux.git / commitdiff