#include "ce.h"
#include "pci.h"
-enum ath10k_pci_irq_mode {
- ATH10K_PCI_IRQ_AUTO = 0,
- ATH10K_PCI_IRQ_LEGACY = 1,
- ATH10K_PCI_IRQ_MSI = 2,
-};
-
enum ath10k_pci_reset_mode {
ATH10K_PCI_RESET_AUTO = 0,
ATH10K_PCI_RESET_WARM_ONLY = 1,
{ PCI_VDEVICE(ATHEROS, QCA6164_2_1_DEVICE_ID) }, /* PCI-E QCA6164 V2.1 */
{ PCI_VDEVICE(ATHEROS, QCA6174_2_1_DEVICE_ID) }, /* PCI-E QCA6174 V2.1 */
{ PCI_VDEVICE(ATHEROS, QCA99X0_2_0_DEVICE_ID) }, /* PCI-E QCA99X0 V2 */
+ { PCI_VDEVICE(ATHEROS, QCA9984_1_0_DEVICE_ID) }, /* PCI-E QCA9984 V1 */
{ PCI_VDEVICE(ATHEROS, QCA9377_1_0_DEVICE_ID) }, /* PCI-E QCA9377 V1 */
+ { PCI_VDEVICE(ATHEROS, QCA9887_1_0_DEVICE_ID) }, /* PCI-E QCA9887 */
{0}
};
{ QCA99X0_2_0_DEVICE_ID, QCA99X0_HW_2_0_CHIP_ID_REV },
+ { QCA9984_1_0_DEVICE_ID, QCA9984_HW_1_0_CHIP_ID_REV },
+
{ QCA9377_1_0_DEVICE_ID, QCA9377_HW_1_0_CHIP_ID_REV },
{ QCA9377_1_0_DEVICE_ID, QCA9377_HW_1_1_CHIP_ID_REV },
+
+ { QCA9887_1_0_DEVICE_ID, QCA9887_HW_1_0_CHIP_ID_REV },
};
static void ath10k_pci_buffer_cleanup(struct ath10k *ar);
static int ath10k_pci_cold_reset(struct ath10k *ar);
static int ath10k_pci_safe_chip_reset(struct ath10k *ar);
-static int ath10k_pci_wait_for_target_init(struct ath10k *ar);
static int ath10k_pci_init_irq(struct ath10k *ar);
static int ath10k_pci_deinit_irq(struct ath10k *ar);
static int ath10k_pci_request_irq(struct ath10k *ar);
spin_unlock_irqrestore(&ar_pci->ps_lock, flags);
}
-void ath10k_pci_write32(struct ath10k *ar, u32 offset, u32 value)
+static void ath10k_bus_pci_write32(struct ath10k *ar, u32 offset, u32 value)
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
int ret;
ath10k_pci_sleep(ar);
}
-u32 ath10k_pci_read32(struct ath10k *ar, u32 offset)
+static u32 ath10k_bus_pci_read32(struct ath10k *ar, u32 offset)
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
u32 val;
return val;
}
+inline void ath10k_pci_write32(struct ath10k *ar, u32 offset, u32 value)
+{
+ struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
+
+ ar_pci->bus_ops->write32(ar, offset, value);
+}
+
+inline u32 ath10k_pci_read32(struct ath10k *ar, u32 offset)
+{
+ struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
+
+ return ar_pci->bus_ops->read32(ar, offset);
+}
+
u32 ath10k_pci_soc_read32(struct ath10k *ar, u32 addr)
{
return ath10k_pci_read32(ar, RTC_SOC_BASE_ADDRESS + addr);
ath10k_pci_write32(ar, PCIE_LOCAL_BASE_ADDRESS + addr, val);
}
-static bool ath10k_pci_irq_pending(struct ath10k *ar)
+bool ath10k_pci_irq_pending(struct ath10k *ar)
{
u32 cause;
return false;
}
-static void ath10k_pci_disable_and_clear_legacy_irq(struct ath10k *ar)
+void ath10k_pci_disable_and_clear_legacy_irq(struct ath10k *ar)
{
/* IMPORTANT: INTR_CLR register has to be set after
* INTR_ENABLE is set to 0, otherwise interrupt can not be
PCIE_INTR_ENABLE_ADDRESS);
}
-static void ath10k_pci_enable_legacy_irq(struct ath10k *ar)
+void ath10k_pci_enable_legacy_irq(struct ath10k *ar)
{
ath10k_pci_write32(ar, SOC_CORE_BASE_ADDRESS +
PCIE_INTR_ENABLE_ADDRESS,
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
- if (ar_pci->num_msi_intrs > 1)
- return "msi-x";
-
- if (ar_pci->num_msi_intrs == 1)
+ if (ar_pci->oper_irq_mode == ATH10K_PCI_IRQ_MSI)
return "msi";
return "legacy";
spin_lock_bh(&ar_pci->ce_lock);
num = __ath10k_ce_rx_num_free_bufs(ce_pipe);
spin_unlock_bh(&ar_pci->ce_lock);
- while (num--) {
+
+ while (num >= 0) {
ret = __ath10k_pci_rx_post_buf(pipe);
if (ret) {
if (ret == -ENOSPC)
ATH10K_PCI_RX_POST_RETRY_MS);
break;
}
+ num--;
}
}
-static void ath10k_pci_rx_post(struct ath10k *ar)
+void ath10k_pci_rx_post(struct ath10k *ar)
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
int i;
ath10k_pci_rx_post_pipe(&ar_pci->pipe_info[i]);
}
-static void ath10k_pci_rx_replenish_retry(unsigned long ptr)
+void ath10k_pci_rx_replenish_retry(unsigned long ptr)
{
struct ath10k *ar = (void *)ptr;
switch (ar->hw_rev) {
case ATH10K_HW_QCA988X:
+ case ATH10K_HW_QCA9887:
case ATH10K_HW_QCA6174:
case ATH10K_HW_QCA9377:
val = (ath10k_pci_read32(ar, SOC_CORE_BASE_ADDRESS +
0x7ff) << 21;
break;
case ATH10K_HW_QCA99X0:
+ case ATH10K_HW_QCA9984:
+ case ATH10K_HW_QCA4019:
val = ath10k_pci_read32(ar, PCIE_BAR_REG_ADDRESS);
break;
}
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
int ret = 0;
- u32 buf;
- unsigned int completed_nbytes, orig_nbytes, remaining_bytes;
- unsigned int id;
- unsigned int flags;
+ u32 *buf;
+ unsigned int completed_nbytes, alloc_nbytes, remaining_bytes;
struct ath10k_ce_pipe *ce_diag;
/* Host buffer address in CE space */
u32 ce_data;
* 1) 4-byte alignment
* 2) Buffer in DMA-able space
*/
- orig_nbytes = nbytes;
+ alloc_nbytes = min_t(unsigned int, nbytes, DIAG_TRANSFER_LIMIT);
+
data_buf = (unsigned char *)dma_alloc_coherent(ar->dev,
- orig_nbytes,
+ alloc_nbytes,
&ce_data_base,
GFP_ATOMIC);
ret = -ENOMEM;
goto done;
}
- memset(data_buf, 0, orig_nbytes);
+ memset(data_buf, 0, alloc_nbytes);
- remaining_bytes = orig_nbytes;
+ remaining_bytes = nbytes;
ce_data = ce_data_base;
while (remaining_bytes) {
nbytes = min_t(unsigned int, remaining_bytes,
DIAG_TRANSFER_LIMIT);
- ret = __ath10k_ce_rx_post_buf(ce_diag, NULL, ce_data);
+ ret = __ath10k_ce_rx_post_buf(ce_diag, &ce_data, ce_data);
if (ret != 0)
goto done;
}
i = 0;
- while (ath10k_ce_completed_recv_next_nolock(ce_diag, NULL, &buf,
- &completed_nbytes,
- &id, &flags) != 0) {
+ while (ath10k_ce_completed_recv_next_nolock(ce_diag,
+ (void **)&buf,
+ &completed_nbytes)
+ != 0) {
mdelay(1);
if (i++ > DIAG_ACCESS_CE_TIMEOUT_MS) {
goto done;
}
- if (buf != ce_data) {
+ if (*buf != ce_data) {
ret = -EIO;
goto done;
}
remaining_bytes -= nbytes;
+
+ if (ret) {
+ ath10k_warn(ar, "failed to read diag value at 0x%x: %d\n",
+ address, ret);
+ break;
+ }
+ memcpy(data, data_buf, nbytes);
+
address += nbytes;
- ce_data += nbytes;
+ data += nbytes;
}
done:
- if (ret == 0)
- memcpy(data, data_buf, orig_nbytes);
- else
- ath10k_warn(ar, "failed to read diag value at 0x%x: %d\n",
- address, ret);
if (data_buf)
- dma_free_coherent(ar->dev, orig_nbytes, data_buf,
+ dma_free_coherent(ar->dev, alloc_nbytes, data_buf,
ce_data_base);
spin_unlock_bh(&ar_pci->ce_lock);
#define ath10k_pci_diag_read_hi(ar, dest, src, len) \
__ath10k_pci_diag_read_hi(ar, dest, HI_ITEM(src), len)
-static int ath10k_pci_diag_write_mem(struct ath10k *ar, u32 address,
- const void *data, int nbytes)
+int ath10k_pci_diag_write_mem(struct ath10k *ar, u32 address,
+ const void *data, int nbytes)
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
int ret = 0;
- u32 buf;
+ u32 *buf;
unsigned int completed_nbytes, orig_nbytes, remaining_bytes;
- unsigned int id;
- unsigned int flags;
struct ath10k_ce_pipe *ce_diag;
void *data_buf = NULL;
u32 ce_data; /* Host buffer address in CE space */
nbytes = min_t(int, remaining_bytes, DIAG_TRANSFER_LIMIT);
/* Set up to receive directly into Target(!) address */
- ret = __ath10k_ce_rx_post_buf(ce_diag, NULL, address);
+ ret = __ath10k_ce_rx_post_buf(ce_diag, &address, address);
if (ret != 0)
goto done;
}
i = 0;
- while (ath10k_ce_completed_recv_next_nolock(ce_diag, NULL, &buf,
- &completed_nbytes,
- &id, &flags) != 0) {
+ while (ath10k_ce_completed_recv_next_nolock(ce_diag,
+ (void **)&buf,
+ &completed_nbytes)
+ != 0) {
mdelay(1);
if (i++ > DIAG_ACCESS_CE_TIMEOUT_MS) {
goto done;
}
- if (buf != address) {
+ if (*buf != address) {
ret = -EIO;
goto done;
}
struct sk_buff *skb;
struct sk_buff_head list;
void *transfer_context;
- u32 ce_data;
unsigned int nbytes, max_nbytes;
- unsigned int transfer_id;
- unsigned int flags;
__skb_queue_head_init(&list);
while (ath10k_ce_completed_recv_next(ce_state, &transfer_context,
- &ce_data, &nbytes, &transfer_id,
- &flags) == 0) {
+ &nbytes) == 0) {
skb = transfer_context;
max_nbytes = skb->len + skb_tailroom(skb);
dma_unmap_single(ar->dev, ATH10K_SKB_RXCB(skb)->paddr,
ath10k_pci_rx_post_pipe(pipe_info);
}
+static void ath10k_pci_process_htt_rx_cb(struct ath10k_ce_pipe *ce_state,
+ void (*callback)(struct ath10k *ar,
+ struct sk_buff *skb))
+{
+ struct ath10k *ar = ce_state->ar;
+ struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
+ struct ath10k_pci_pipe *pipe_info = &ar_pci->pipe_info[ce_state->id];
+ struct ath10k_ce_pipe *ce_pipe = pipe_info->ce_hdl;
+ struct sk_buff *skb;
+ struct sk_buff_head list;
+ void *transfer_context;
+ unsigned int nbytes, max_nbytes, nentries;
+ int orig_len;
+
+ /* No need to aquire ce_lock for CE5, since this is the only place CE5
+ * is processed other than init and deinit. Before releasing CE5
+ * buffers, interrupts are disabled. Thus CE5 access is serialized.
+ */
+ __skb_queue_head_init(&list);
+ while (ath10k_ce_completed_recv_next_nolock(ce_state, &transfer_context,
+ &nbytes) == 0) {
+ skb = transfer_context;
+ max_nbytes = skb->len + skb_tailroom(skb);
+
+ if (unlikely(max_nbytes < nbytes)) {
+ ath10k_warn(ar, "rxed more than expected (nbytes %d, max %d)",
+ nbytes, max_nbytes);
+ continue;
+ }
+
+ dma_sync_single_for_cpu(ar->dev, ATH10K_SKB_RXCB(skb)->paddr,
+ max_nbytes, DMA_FROM_DEVICE);
+ skb_put(skb, nbytes);
+ __skb_queue_tail(&list, skb);
+ }
+
+ nentries = skb_queue_len(&list);
+ while ((skb = __skb_dequeue(&list))) {
+ ath10k_dbg(ar, ATH10K_DBG_PCI, "pci rx ce pipe %d len %d\n",
+ ce_state->id, skb->len);
+ ath10k_dbg_dump(ar, ATH10K_DBG_PCI_DUMP, NULL, "pci rx: ",
+ skb->data, skb->len);
+
+ orig_len = skb->len;
+ callback(ar, skb);
+ skb_push(skb, orig_len - skb->len);
+ skb_reset_tail_pointer(skb);
+ skb_trim(skb, 0);
+
+ /*let device gain the buffer again*/
+ dma_sync_single_for_device(ar->dev, ATH10K_SKB_RXCB(skb)->paddr,
+ skb->len + skb_tailroom(skb),
+ DMA_FROM_DEVICE);
+ }
+ ath10k_ce_rx_update_write_idx(ce_pipe, nentries);
+}
+
/* Called by lower (CE) layer when data is received from the Target. */
static void ath10k_pci_htc_rx_cb(struct ath10k_ce_pipe *ce_state)
{
*/
ath10k_ce_per_engine_service(ce_state->ar, 4);
- ath10k_pci_process_rx_cb(ce_state, ath10k_pci_htt_rx_deliver);
+ ath10k_pci_process_htt_rx_cb(ce_state, ath10k_pci_htt_rx_deliver);
}
-static int ath10k_pci_hif_tx_sg(struct ath10k *ar, u8 pipe_id,
- struct ath10k_hif_sg_item *items, int n_items)
+int ath10k_pci_hif_tx_sg(struct ath10k *ar, u8 pipe_id,
+ struct ath10k_hif_sg_item *items, int n_items)
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
struct ath10k_pci_pipe *pci_pipe = &ar_pci->pipe_info[pipe_id];
return err;
}
-static int ath10k_pci_hif_diag_read(struct ath10k *ar, u32 address, void *buf,
- size_t buf_len)
+int ath10k_pci_hif_diag_read(struct ath10k *ar, u32 address, void *buf,
+ size_t buf_len)
{
return ath10k_pci_diag_read_mem(ar, address, buf, buf_len);
}
-static u16 ath10k_pci_hif_get_free_queue_number(struct ath10k *ar, u8 pipe)
+u16 ath10k_pci_hif_get_free_queue_number(struct ath10k *ar, u8 pipe)
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
queue_work(ar->workqueue, &ar->restart_work);
}
-static void ath10k_pci_hif_send_complete_check(struct ath10k *ar, u8 pipe,
- int force)
+void ath10k_pci_hif_send_complete_check(struct ath10k *ar, u8 pipe,
+ int force)
{
ath10k_dbg(ar, ATH10K_DBG_PCI, "pci hif send complete check\n");
ath10k_ce_per_engine_service(ar, pipe);
}
-static void ath10k_pci_kill_tasklet(struct ath10k *ar)
+void ath10k_pci_kill_tasklet(struct ath10k *ar)
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
- int i;
tasklet_kill(&ar_pci->intr_tq);
- tasklet_kill(&ar_pci->msi_fw_err);
-
- for (i = 0; i < CE_COUNT; i++)
- tasklet_kill(&ar_pci->pipe_info[i].intr);
del_timer_sync(&ar_pci->rx_post_retry);
}
-static int ath10k_pci_hif_map_service_to_pipe(struct ath10k *ar, u16 service_id,
- u8 *ul_pipe, u8 *dl_pipe)
+int ath10k_pci_hif_map_service_to_pipe(struct ath10k *ar, u16 service_id,
+ u8 *ul_pipe, u8 *dl_pipe)
{
const struct service_to_pipe *entry;
bool ul_set = false, dl_set = false;
return 0;
}
-static void ath10k_pci_hif_get_default_pipe(struct ath10k *ar,
- u8 *ul_pipe, u8 *dl_pipe)
+void ath10k_pci_hif_get_default_pipe(struct ath10k *ar,
+ u8 *ul_pipe, u8 *dl_pipe)
{
ath10k_dbg(ar, ATH10K_DBG_PCI, "pci hif get default pipe\n");
switch (ar->hw_rev) {
case ATH10K_HW_QCA988X:
+ case ATH10K_HW_QCA9887:
case ATH10K_HW_QCA6174:
case ATH10K_HW_QCA9377:
val = ath10k_pci_read32(ar, SOC_CORE_BASE_ADDRESS +
CORE_CTRL_ADDRESS, val);
break;
case ATH10K_HW_QCA99X0:
+ case ATH10K_HW_QCA9984:
+ case ATH10K_HW_QCA4019:
/* TODO: Find appropriate register configuration for QCA99X0
* to mask irq/MSI.
*/
switch (ar->hw_rev) {
case ATH10K_HW_QCA988X:
+ case ATH10K_HW_QCA9887:
case ATH10K_HW_QCA6174:
case ATH10K_HW_QCA9377:
val = ath10k_pci_read32(ar, SOC_CORE_BASE_ADDRESS +
CORE_CTRL_ADDRESS, val);
break;
case ATH10K_HW_QCA99X0:
+ case ATH10K_HW_QCA9984:
+ case ATH10K_HW_QCA4019:
/* TODO: Find appropriate register configuration for QCA99X0
* to unmask irq/MSI.
*/
static void ath10k_pci_irq_sync(struct ath10k *ar)
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
- int i;
- for (i = 0; i < max(1, ar_pci->num_msi_intrs); i++)
- synchronize_irq(ar_pci->pdev->irq + i);
+ synchronize_irq(ar_pci->pdev->irq);
}
static void ath10k_pci_irq_enable(struct ath10k *ar)
}
}
-static void ath10k_pci_ce_deinit(struct ath10k *ar)
+void ath10k_pci_ce_deinit(struct ath10k *ar)
{
int i;
ath10k_ce_deinit_pipe(ar, i);
}
-static void ath10k_pci_flush(struct ath10k *ar)
+void ath10k_pci_flush(struct ath10k *ar)
{
ath10k_pci_kill_tasklet(ar);
ath10k_pci_buffer_cleanup(ar);
spin_unlock_irqrestore(&ar_pci->ps_lock, flags);
}
-static int ath10k_pci_hif_exchange_bmi_msg(struct ath10k *ar,
- void *req, u32 req_len,
- void *resp, u32 *resp_len)
+int ath10k_pci_hif_exchange_bmi_msg(struct ath10k *ar,
+ void *req, u32 req_len,
+ void *resp, u32 *resp_len)
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
struct ath10k_pci_pipe *pci_tx = &ar_pci->pipe_info[BMI_CE_NUM_TO_TARG];
DMA_FROM_DEVICE);
ret = dma_mapping_error(ar->dev, resp_paddr);
if (ret) {
- ret = EIO;
+ ret = -EIO;
goto err_req;
}
{
struct ath10k *ar = ce_state->ar;
struct bmi_xfer *xfer;
- u32 ce_data;
unsigned int nbytes;
- unsigned int transfer_id;
- unsigned int flags;
- if (ath10k_ce_completed_recv_next(ce_state, (void **)&xfer, &ce_data,
- &nbytes, &transfer_id, &flags))
+ if (ath10k_ce_completed_recv_next(ce_state, (void **)&xfer,
+ &nbytes))
return;
if (WARN_ON_ONCE(!xfer))
switch (ar_pci->pdev->device) {
case QCA988X_2_0_DEVICE_ID:
case QCA99X0_2_0_DEVICE_ID:
+ case QCA9984_1_0_DEVICE_ID:
+ case QCA9887_1_0_DEVICE_ID:
return 1;
case QCA6164_2_1_DEVICE_ID:
case QCA6174_2_1_DEVICE_ID:
return 1;
}
-static int ath10k_pci_init_config(struct ath10k *ar)
+static int ath10k_bus_get_num_banks(struct ath10k *ar)
+{
+ struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
+
+ return ar_pci->bus_ops->get_num_banks(ar);
+}
+
+int ath10k_pci_init_config(struct ath10k *ar)
{
u32 interconnect_targ_addr;
u32 pcie_state_targ_addr = 0;
/* first bank is switched to IRAM */
ealloc_value |= ((HI_EARLY_ALLOC_MAGIC << HI_EARLY_ALLOC_MAGIC_SHIFT) &
HI_EARLY_ALLOC_MAGIC_MASK);
- ealloc_value |= ((ath10k_pci_get_num_banks(ar) <<
+ ealloc_value |= ((ath10k_bus_get_num_banks(ar) <<
HI_EARLY_ALLOC_IRAM_BANKS_SHIFT) &
HI_EARLY_ALLOC_IRAM_BANKS_MASK);
target_service_to_ce_map_wlan[15].pipenum = __cpu_to_le32(1);
}
-static int ath10k_pci_alloc_pipes(struct ath10k *ar)
+int ath10k_pci_alloc_pipes(struct ath10k *ar)
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
struct ath10k_pci_pipe *pipe;
return 0;
}
-static void ath10k_pci_free_pipes(struct ath10k *ar)
+void ath10k_pci_free_pipes(struct ath10k *ar)
{
int i;
ath10k_ce_free_pipe(ar, i);
}
-static int ath10k_pci_init_pipes(struct ath10k *ar)
+int ath10k_pci_init_pipes(struct ath10k *ar)
{
int i, ret;
return 0;
}
+static int ath10k_pci_qca99x0_soft_chip_reset(struct ath10k *ar)
+{
+ ath10k_pci_irq_disable(ar);
+ return ath10k_pci_qca99x0_chip_reset(ar);
+}
+
static int ath10k_pci_safe_chip_reset(struct ath10k *ar)
{
- if (QCA_REV_988X(ar) || QCA_REV_6174(ar)) {
- return ath10k_pci_warm_reset(ar);
- } else if (QCA_REV_99X0(ar)) {
- ath10k_pci_irq_disable(ar);
- return ath10k_pci_qca99x0_chip_reset(ar);
- } else {
+ struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
+
+ if (!ar_pci->pci_soft_reset)
return -ENOTSUPP;
- }
+
+ return ar_pci->pci_soft_reset(ar);
}
static int ath10k_pci_qca988x_chip_reset(struct ath10k *ar)
static int ath10k_pci_chip_reset(struct ath10k *ar)
{
- if (QCA_REV_988X(ar))
- return ath10k_pci_qca988x_chip_reset(ar);
- else if (QCA_REV_6174(ar))
- return ath10k_pci_qca6174_chip_reset(ar);
- else if (QCA_REV_9377(ar))
- return ath10k_pci_qca6174_chip_reset(ar);
- else if (QCA_REV_99X0(ar))
- return ath10k_pci_qca99x0_chip_reset(ar);
- else
+ struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
+
+ if (WARN_ON(!ar_pci->pci_hard_reset))
return -ENOTSUPP;
+
+ return ar_pci->pci_hard_reset(ar);
}
static int ath10k_pci_hif_power_up(struct ath10k *ar)
return ret;
}
-static void ath10k_pci_hif_power_down(struct ath10k *ar)
+void ath10k_pci_hif_power_down(struct ath10k *ar)
{
ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot hif power down\n");
}
#endif
+static bool ath10k_pci_validate_cal(void *data, size_t size)
+{
+ __le16 *cal_words = data;
+ u16 checksum = 0;
+ size_t i;
+
+ if (size % 2 != 0)
+ return false;
+
+ for (i = 0; i < size / 2; i++)
+ checksum ^= le16_to_cpu(cal_words[i]);
+
+ return checksum == 0xffff;
+}
+
+static void ath10k_pci_enable_eeprom(struct ath10k *ar)
+{
+ /* Enable SI clock */
+ ath10k_pci_soc_write32(ar, CLOCK_CONTROL_OFFSET, 0x0);
+
+ /* Configure GPIOs for I2C operation */
+ ath10k_pci_write32(ar,
+ GPIO_BASE_ADDRESS + GPIO_PIN0_OFFSET +
+ 4 * QCA9887_1_0_I2C_SDA_GPIO_PIN,
+ SM(QCA9887_1_0_I2C_SDA_PIN_CONFIG,
+ GPIO_PIN0_CONFIG) |
+ SM(1, GPIO_PIN0_PAD_PULL));
+
+ ath10k_pci_write32(ar,
+ GPIO_BASE_ADDRESS + GPIO_PIN0_OFFSET +
+ 4 * QCA9887_1_0_SI_CLK_GPIO_PIN,
+ SM(QCA9887_1_0_SI_CLK_PIN_CONFIG, GPIO_PIN0_CONFIG) |
+ SM(1, GPIO_PIN0_PAD_PULL));
+
+ ath10k_pci_write32(ar,
+ GPIO_BASE_ADDRESS +
+ QCA9887_1_0_GPIO_ENABLE_W1TS_LOW_ADDRESS,
+ 1u << QCA9887_1_0_SI_CLK_GPIO_PIN);
+
+ /* In Swift ASIC - EEPROM clock will be (110MHz/512) = 214KHz */
+ ath10k_pci_write32(ar,
+ SI_BASE_ADDRESS + SI_CONFIG_OFFSET,
+ SM(1, SI_CONFIG_ERR_INT) |
+ SM(1, SI_CONFIG_BIDIR_OD_DATA) |
+ SM(1, SI_CONFIG_I2C) |
+ SM(1, SI_CONFIG_POS_SAMPLE) |
+ SM(1, SI_CONFIG_INACTIVE_DATA) |
+ SM(1, SI_CONFIG_INACTIVE_CLK) |
+ SM(8, SI_CONFIG_DIVIDER));
+}
+
+static int ath10k_pci_read_eeprom(struct ath10k *ar, u16 addr, u8 *out)
+{
+ u32 reg;
+ int wait_limit;
+
+ /* set device select byte and for the read operation */
+ reg = QCA9887_EEPROM_SELECT_READ |
+ SM(addr, QCA9887_EEPROM_ADDR_LO) |
+ SM(addr >> 8, QCA9887_EEPROM_ADDR_HI);
+ ath10k_pci_write32(ar, SI_BASE_ADDRESS + SI_TX_DATA0_OFFSET, reg);
+
+ /* write transmit data, transfer length, and START bit */
+ ath10k_pci_write32(ar, SI_BASE_ADDRESS + SI_CS_OFFSET,
+ SM(1, SI_CS_START) | SM(1, SI_CS_RX_CNT) |
+ SM(4, SI_CS_TX_CNT));
+
+ /* wait max 1 sec */
+ wait_limit = 100000;
+
+ /* wait for SI_CS_DONE_INT */
+ do {
+ reg = ath10k_pci_read32(ar, SI_BASE_ADDRESS + SI_CS_OFFSET);
+ if (MS(reg, SI_CS_DONE_INT))
+ break;
+
+ wait_limit--;
+ udelay(10);
+ } while (wait_limit > 0);
+
+ if (!MS(reg, SI_CS_DONE_INT)) {
+ ath10k_err(ar, "timeout while reading device EEPROM at %04x\n",
+ addr);
+ return -ETIMEDOUT;
+ }
+
+ /* clear SI_CS_DONE_INT */
+ ath10k_pci_write32(ar, SI_BASE_ADDRESS + SI_CS_OFFSET, reg);
+
+ if (MS(reg, SI_CS_DONE_ERR)) {
+ ath10k_err(ar, "failed to read device EEPROM at %04x\n", addr);
+ return -EIO;
+ }
+
+ /* extract receive data */
+ reg = ath10k_pci_read32(ar, SI_BASE_ADDRESS + SI_RX_DATA0_OFFSET);
+ *out = reg;
+
+ return 0;
+}
+
+static int ath10k_pci_hif_fetch_cal_eeprom(struct ath10k *ar, void **data,
+ size_t *data_len)
+{
+ u8 *caldata = NULL;
+ size_t calsize, i;
+ int ret;
+
+ if (!QCA_REV_9887(ar))
+ return -EOPNOTSUPP;
+
+ calsize = ar->hw_params.cal_data_len;
+ caldata = kmalloc(calsize, GFP_KERNEL);
+ if (!caldata)
+ return -ENOMEM;
+
+ ath10k_pci_enable_eeprom(ar);
+
+ for (i = 0; i < calsize; i++) {
+ ret = ath10k_pci_read_eeprom(ar, i, &caldata[i]);
+ if (ret)
+ goto err_free;
+ }
+
+ if (!ath10k_pci_validate_cal(caldata, calsize))
+ goto err_free;
+
+ *data = caldata;
+ *data_len = calsize;
+
+ return 0;
+
+err_free:
+ kfree(data);
+
+ return -EINVAL;
+}
+
static const struct ath10k_hif_ops ath10k_pci_hif_ops = {
.tx_sg = ath10k_pci_hif_tx_sg,
.diag_read = ath10k_pci_hif_diag_read,
.suspend = ath10k_pci_hif_suspend,
.resume = ath10k_pci_hif_resume,
#endif
+ .fetch_cal_eeprom = ath10k_pci_hif_fetch_cal_eeprom,
};
-static void ath10k_pci_ce_tasklet(unsigned long ptr)
-{
- struct ath10k_pci_pipe *pipe = (struct ath10k_pci_pipe *)ptr;
- struct ath10k_pci *ar_pci = pipe->ar_pci;
-
- ath10k_ce_per_engine_service(ar_pci->ar, pipe->pipe_num);
-}
-
-static void ath10k_msi_err_tasklet(unsigned long data)
-{
- struct ath10k *ar = (struct ath10k *)data;
-
- if (!ath10k_pci_has_fw_crashed(ar)) {
- ath10k_warn(ar, "received unsolicited fw crash interrupt\n");
- return;
- }
-
- ath10k_pci_irq_disable(ar);
- ath10k_pci_fw_crashed_clear(ar);
- ath10k_pci_fw_crashed_dump(ar);
-}
-
-/*
- * Handler for a per-engine interrupt on a PARTICULAR CE.
- * This is used in cases where each CE has a private MSI interrupt.
- */
-static irqreturn_t ath10k_pci_per_engine_handler(int irq, void *arg)
-{
- struct ath10k *ar = arg;
- struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
- int ce_id = irq - ar_pci->pdev->irq - MSI_ASSIGN_CE_INITIAL;
-
- if (ce_id < 0 || ce_id >= ARRAY_SIZE(ar_pci->pipe_info)) {
- ath10k_warn(ar, "unexpected/invalid irq %d ce_id %d\n", irq,
- ce_id);
- return IRQ_HANDLED;
- }
-
- /*
- * NOTE: We are able to derive ce_id from irq because we
- * use a one-to-one mapping for CE's 0..5.
- * CE's 6 & 7 do not use interrupts at all.
- *
- * This mapping must be kept in sync with the mapping
- * used by firmware.
- */
- tasklet_schedule(&ar_pci->pipe_info[ce_id].intr);
- return IRQ_HANDLED;
-}
-
-static irqreturn_t ath10k_pci_msi_fw_handler(int irq, void *arg)
-{
- struct ath10k *ar = arg;
- struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
-
- tasklet_schedule(&ar_pci->msi_fw_err);
- return IRQ_HANDLED;
-}
-
/*
* Top-level interrupt handler for all PCI interrupts from a Target.
* When a block of MSI interrupts is allocated, this top-level handler
return IRQ_NONE;
}
- if (ar_pci->num_msi_intrs == 0) {
+ if (ar_pci->oper_irq_mode == ATH10K_PCI_IRQ_LEGACY) {
if (!ath10k_pci_irq_pending(ar))
return IRQ_NONE;
ath10k_ce_per_engine_service_any(ar);
/* Re-enable legacy irq that was disabled in the irq handler */
- if (ar_pci->num_msi_intrs == 0)
+ if (ar_pci->oper_irq_mode == ATH10K_PCI_IRQ_LEGACY)
ath10k_pci_enable_legacy_irq(ar);
}
-static int ath10k_pci_request_irq_msix(struct ath10k *ar)
-{
- struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
- int ret, i;
-
- ret = request_irq(ar_pci->pdev->irq + MSI_ASSIGN_FW,
- ath10k_pci_msi_fw_handler,
- IRQF_SHARED, "ath10k_pci", ar);
- if (ret) {
- ath10k_warn(ar, "failed to request MSI-X fw irq %d: %d\n",
- ar_pci->pdev->irq + MSI_ASSIGN_FW, ret);
- return ret;
- }
-
- for (i = MSI_ASSIGN_CE_INITIAL; i <= MSI_ASSIGN_CE_MAX; i++) {
- ret = request_irq(ar_pci->pdev->irq + i,
- ath10k_pci_per_engine_handler,
- IRQF_SHARED, "ath10k_pci", ar);
- if (ret) {
- ath10k_warn(ar, "failed to request MSI-X ce irq %d: %d\n",
- ar_pci->pdev->irq + i, ret);
-
- for (i--; i >= MSI_ASSIGN_CE_INITIAL; i--)
- free_irq(ar_pci->pdev->irq + i, ar);
-
- free_irq(ar_pci->pdev->irq + MSI_ASSIGN_FW, ar);
- return ret;
- }
- }
-
- return 0;
-}
-
static int ath10k_pci_request_irq_msi(struct ath10k *ar)
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
- switch (ar_pci->num_msi_intrs) {
- case 0:
+ switch (ar_pci->oper_irq_mode) {
+ case ATH10K_PCI_IRQ_LEGACY:
return ath10k_pci_request_irq_legacy(ar);
- case 1:
+ case ATH10K_PCI_IRQ_MSI:
return ath10k_pci_request_irq_msi(ar);
default:
- return ath10k_pci_request_irq_msix(ar);
+ return -EINVAL;
}
}
static void ath10k_pci_free_irq(struct ath10k *ar)
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
- int i;
- /* There's at least one interrupt irregardless whether its legacy INTR
- * or MSI or MSI-X */
- for (i = 0; i < max(1, ar_pci->num_msi_intrs); i++)
- free_irq(ar_pci->pdev->irq + i, ar);
+ free_irq(ar_pci->pdev->irq, ar);
}
-static void ath10k_pci_init_irq_tasklets(struct ath10k *ar)
+void ath10k_pci_init_irq_tasklets(struct ath10k *ar)
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
- int i;
tasklet_init(&ar_pci->intr_tq, ath10k_pci_tasklet, (unsigned long)ar);
- tasklet_init(&ar_pci->msi_fw_err, ath10k_msi_err_tasklet,
- (unsigned long)ar);
-
- for (i = 0; i < CE_COUNT; i++) {
- ar_pci->pipe_info[i].ar_pci = ar_pci;
- tasklet_init(&ar_pci->pipe_info[i].intr, ath10k_pci_ce_tasklet,
- (unsigned long)&ar_pci->pipe_info[i]);
- }
}
static int ath10k_pci_init_irq(struct ath10k *ar)
ath10k_info(ar, "limiting irq mode to: %d\n",
ath10k_pci_irq_mode);
- /* Try MSI-X */
- if (ath10k_pci_irq_mode == ATH10K_PCI_IRQ_AUTO) {
- ar_pci->num_msi_intrs = MSI_ASSIGN_CE_MAX + 1;
- ret = pci_enable_msi_range(ar_pci->pdev, ar_pci->num_msi_intrs,
- ar_pci->num_msi_intrs);
- if (ret > 0)
- return 0;
-
- /* fall-through */
- }
-
/* Try MSI */
if (ath10k_pci_irq_mode != ATH10K_PCI_IRQ_LEGACY) {
- ar_pci->num_msi_intrs = 1;
+ ar_pci->oper_irq_mode = ATH10K_PCI_IRQ_MSI;
ret = pci_enable_msi(ar_pci->pdev);
if (ret == 0)
return 0;
* This write might get lost if target has NOT written BAR.
* For now, fix the race by repeating the write in below
* synchronization checking. */
- ar_pci->num_msi_intrs = 0;
+ ar_pci->oper_irq_mode = ATH10K_PCI_IRQ_LEGACY;
ath10k_pci_write32(ar, SOC_CORE_BASE_ADDRESS + PCIE_INTR_ENABLE_ADDRESS,
PCIE_INTR_FIRMWARE_MASK | PCIE_INTR_CE_MASK_ALL);
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
- switch (ar_pci->num_msi_intrs) {
- case 0:
+ switch (ar_pci->oper_irq_mode) {
+ case ATH10K_PCI_IRQ_LEGACY:
ath10k_pci_deinit_irq_legacy(ar);
break;
default:
return 0;
}
-static int ath10k_pci_wait_for_target_init(struct ath10k *ar)
+int ath10k_pci_wait_for_target_init(struct ath10k *ar)
{
struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
unsigned long timeout;
if (val & FW_IND_INITIALIZED)
break;
- if (ar_pci->num_msi_intrs == 0)
+ if (ar_pci->oper_irq_mode == ATH10K_PCI_IRQ_LEGACY)
/* Fix potential race by repeating CORE_BASE writes */
ath10k_pci_enable_legacy_irq(ar);
return false;
}
+int ath10k_pci_setup_resource(struct ath10k *ar)
+{
+ struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
+ int ret;
+
+ spin_lock_init(&ar_pci->ce_lock);
+ spin_lock_init(&ar_pci->ps_lock);
+
+ setup_timer(&ar_pci->rx_post_retry, ath10k_pci_rx_replenish_retry,
+ (unsigned long)ar);
+
+ if (QCA_REV_6174(ar))
+ ath10k_pci_override_ce_config(ar);
+
+ ret = ath10k_pci_alloc_pipes(ar);
+ if (ret) {
+ ath10k_err(ar, "failed to allocate copy engine pipes: %d\n",
+ ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+void ath10k_pci_release_resource(struct ath10k *ar)
+{
+ ath10k_pci_kill_tasklet(ar);
+ ath10k_pci_ce_deinit(ar);
+ ath10k_pci_free_pipes(ar);
+}
+
+static const struct ath10k_bus_ops ath10k_pci_bus_ops = {
+ .read32 = ath10k_bus_pci_read32,
+ .write32 = ath10k_bus_pci_write32,
+ .get_num_banks = ath10k_pci_get_num_banks,
+};
+
static int ath10k_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *pci_dev)
{
enum ath10k_hw_rev hw_rev;
u32 chip_id;
bool pci_ps;
+ int (*pci_soft_reset)(struct ath10k *ar);
+ int (*pci_hard_reset)(struct ath10k *ar);
switch (pci_dev->device) {
case QCA988X_2_0_DEVICE_ID:
hw_rev = ATH10K_HW_QCA988X;
pci_ps = false;
+ pci_soft_reset = ath10k_pci_warm_reset;
+ pci_hard_reset = ath10k_pci_qca988x_chip_reset;
+ break;
+ case QCA9887_1_0_DEVICE_ID:
+ dev_warn(&pdev->dev, "QCA9887 support is still experimental, there are likely bugs. You have been warned.\n");
+ hw_rev = ATH10K_HW_QCA9887;
+ pci_ps = false;
+ pci_soft_reset = ath10k_pci_warm_reset;
+ pci_hard_reset = ath10k_pci_qca988x_chip_reset;
break;
case QCA6164_2_1_DEVICE_ID:
case QCA6174_2_1_DEVICE_ID:
hw_rev = ATH10K_HW_QCA6174;
pci_ps = true;
+ pci_soft_reset = ath10k_pci_warm_reset;
+ pci_hard_reset = ath10k_pci_qca6174_chip_reset;
break;
case QCA99X0_2_0_DEVICE_ID:
hw_rev = ATH10K_HW_QCA99X0;
pci_ps = false;
+ pci_soft_reset = ath10k_pci_qca99x0_soft_chip_reset;
+ pci_hard_reset = ath10k_pci_qca99x0_chip_reset;
+ break;
+ case QCA9984_1_0_DEVICE_ID:
+ hw_rev = ATH10K_HW_QCA9984;
+ pci_ps = false;
+ pci_soft_reset = ath10k_pci_qca99x0_soft_chip_reset;
+ pci_hard_reset = ath10k_pci_qca99x0_chip_reset;
break;
case QCA9377_1_0_DEVICE_ID:
hw_rev = ATH10K_HW_QCA9377;
pci_ps = true;
+ pci_soft_reset = NULL;
+ pci_hard_reset = ath10k_pci_qca6174_chip_reset;
break;
default:
WARN_ON(1);
ar_pci->ar = ar;
ar->dev_id = pci_dev->device;
ar_pci->pci_ps = pci_ps;
+ ar_pci->bus_ops = &ath10k_pci_bus_ops;
+ ar_pci->pci_soft_reset = pci_soft_reset;
+ ar_pci->pci_hard_reset = pci_hard_reset;
ar->id.vendor = pdev->vendor;
ar->id.device = pdev->device;
ar->id.subsystem_vendor = pdev->subsystem_vendor;
ar->id.subsystem_device = pdev->subsystem_device;
- spin_lock_init(&ar_pci->ce_lock);
- spin_lock_init(&ar_pci->ps_lock);
-
- setup_timer(&ar_pci->rx_post_retry, ath10k_pci_rx_replenish_retry,
- (unsigned long)ar);
setup_timer(&ar_pci->ps_timer, ath10k_pci_ps_timer,
(unsigned long)ar);
- ret = ath10k_pci_claim(ar);
+ ret = ath10k_pci_setup_resource(ar);
if (ret) {
- ath10k_err(ar, "failed to claim device: %d\n", ret);
+ ath10k_err(ar, "failed to setup resource: %d\n", ret);
goto err_core_destroy;
}
- if (QCA_REV_6174(ar))
- ath10k_pci_override_ce_config(ar);
-
- ret = ath10k_pci_alloc_pipes(ar);
+ ret = ath10k_pci_claim(ar);
if (ret) {
- ath10k_err(ar, "failed to allocate copy engine pipes: %d\n",
- ret);
- goto err_sleep;
+ ath10k_err(ar, "failed to claim device: %d\n", ret);
+ goto err_free_pipes;
}
ret = ath10k_pci_force_wake(ar);
if (ret) {
ath10k_warn(ar, "failed to wake up device : %d\n", ret);
- goto err_free_pipes;
+ goto err_sleep;
}
ath10k_pci_ce_deinit(ar);
ret = ath10k_pci_init_irq(ar);
if (ret) {
ath10k_err(ar, "failed to init irqs: %d\n", ret);
- goto err_free_pipes;
+ goto err_sleep;
}
- ath10k_info(ar, "pci irq %s interrupts %d irq_mode %d reset_mode %d\n",
- ath10k_pci_get_irq_method(ar), ar_pci->num_msi_intrs,
+ ath10k_info(ar, "pci irq %s oper_irq_mode %d irq_mode %d reset_mode %d\n",
+ ath10k_pci_get_irq_method(ar), ar_pci->oper_irq_mode,
ath10k_pci_irq_mode, ath10k_pci_reset_mode);
ret = ath10k_pci_request_irq(ar);
err_deinit_irq:
ath10k_pci_deinit_irq(ar);
-err_free_pipes:
- ath10k_pci_free_pipes(ar);
-
err_sleep:
ath10k_pci_sleep_sync(ar);
ath10k_pci_release(ar);
+err_free_pipes:
+ ath10k_pci_free_pipes(ar);
+
err_core_destroy:
ath10k_core_destroy(ar);
ath10k_core_unregister(ar);
ath10k_pci_free_irq(ar);
- ath10k_pci_kill_tasklet(ar);
ath10k_pci_deinit_irq(ar);
- ath10k_pci_ce_deinit(ar);
- ath10k_pci_free_pipes(ar);
+ ath10k_pci_release_resource(ar);
ath10k_pci_sleep_sync(ar);
ath10k_pci_release(ar);
ath10k_core_destroy(ar);
printk(KERN_ERR "failed to register ath10k pci driver: %d\n",
ret);
+ ret = ath10k_ahb_init();
+ if (ret)
+ printk(KERN_ERR "ahb init failed: %d\n", ret);
+
return ret;
}
module_init(ath10k_pci_init);
static void __exit ath10k_pci_exit(void)
{
pci_unregister_driver(&ath10k_pci_driver);
+ ath10k_ahb_exit();
}
module_exit(ath10k_pci_exit);
MODULE_AUTHOR("Qualcomm Atheros");
-MODULE_DESCRIPTION("Driver support for Atheros QCA988X PCIe devices");
+MODULE_DESCRIPTION("Driver support for Qualcomm Atheros 802.11ac WLAN PCIe/AHB devices");
MODULE_LICENSE("Dual BSD/GPL");
/* QCA988x 2.0 firmware files */
-MODULE_FIRMWARE(QCA988X_HW_2_0_FW_DIR "/" QCA988X_HW_2_0_FW_FILE);
MODULE_FIRMWARE(QCA988X_HW_2_0_FW_DIR "/" ATH10K_FW_API2_FILE);
MODULE_FIRMWARE(QCA988X_HW_2_0_FW_DIR "/" ATH10K_FW_API3_FILE);
MODULE_FIRMWARE(QCA988X_HW_2_0_FW_DIR "/" ATH10K_FW_API4_FILE);
MODULE_FIRMWARE(QCA988X_HW_2_0_FW_DIR "/" QCA988X_HW_2_0_BOARD_DATA_FILE);
MODULE_FIRMWARE(QCA988X_HW_2_0_FW_DIR "/" ATH10K_BOARD_API2_FILE);
+/* QCA9887 1.0 firmware files */
+MODULE_FIRMWARE(QCA9887_HW_1_0_FW_DIR "/" ATH10K_FW_API5_FILE);
+MODULE_FIRMWARE(QCA9887_HW_1_0_FW_DIR "/" QCA9887_HW_1_0_BOARD_DATA_FILE);
+MODULE_FIRMWARE(QCA9887_HW_1_0_FW_DIR "/" ATH10K_BOARD_API2_FILE);
+
/* QCA6174 2.1 firmware files */
MODULE_FIRMWARE(QCA6174_HW_2_1_FW_DIR "/" ATH10K_FW_API4_FILE);
MODULE_FIRMWARE(QCA6174_HW_2_1_FW_DIR "/" ATH10K_FW_API5_FILE);