#include <linux/device.h>
#include <linux/module.h>
#include <linux/slab.h>
-#include <linux/usb.h>
#include <linux/input.h>
+#include <linux/usb.h>
+#include <linux/usb/input.h>
#include <media/ir-core.h>
-#include <media/ir-common.h>
#define DRIVER_VERSION "1.91"
#define DRIVER_AUTHOR "Jarod Wilson <jarod@wilsonet.com>"
#define USB_BUFLEN 32 /* USB reception buffer length */
#define USB_CTRL_MSG_SZ 2 /* Size of usb ctrl msg on gen1 hw */
#define MCE_G1_INIT_MSGS 40 /* Init messages on gen1 hw to throw out */
+#define MS_TO_NS(msec) ((msec) * 1000)
/* MCE constants */
#define MCE_CMDBUF_SIZE 384 /* MCE Command buffer length */
#define MCE_PACKET_LENGTH_MASK 0x1f /* Packet length mask */
/* Sub-commands, which follow MCE_COMMAND_HEADER or MCE_HW_CMD_HEADER */
+#define MCE_CMD_SIG_END 0x01 /* End of signal */
#define MCE_CMD_PING 0x03 /* Ping device */
#define MCE_CMD_UNKNOWN 0x04 /* Unknown */
#define MCE_CMD_UNKNOWN2 0x05 /* Unknown */
#define MCE_CMD_G_TXMASK 0x13 /* Set TX port bitmask */
#define MCE_CMD_S_RXSENSOR 0x14 /* Set RX sensor (std/learning) */
#define MCE_CMD_G_RXSENSOR 0x15 /* Get RX sensor (std/learning) */
+#define MCE_RSP_PULSE_COUNT 0x15 /* RX pulse count (only if learning) */
#define MCE_CMD_TX_PORTS 0x16 /* Get number of TX ports */
#define MCE_CMD_G_WAKESRC 0x17 /* Get wake source */
#define MCE_CMD_UNKNOWN7 0x18 /* Unknown */
MCE_GEN3,
MCE_GEN2_TX_INV,
POLARIS_EVK,
+ CX_HYBRID_TV,
};
struct mceusb_model {
u32 mce_gen3:1;
u32 tx_mask_inverted:1;
u32 is_polaris:1;
+ u32 no_tx:1;
const char *rc_map; /* Allow specify a per-board map */
const char *name; /* per-board name */
* to allow testing it
*/
.rc_map = RC_MAP_RC5_HAUPPAUGE_NEW,
- .name = "cx231xx MCE IR",
+ .name = "Conexant Hybrid TV (cx231xx) MCE IR",
+ },
+ [CX_HYBRID_TV] = {
+ .is_polaris = 1,
+ .no_tx = 1, /* tx isn't wired up at all */
+ .name = "Conexant Hybrid TV (cx231xx) MCE IR",
},
};
{ USB_DEVICE(VENDOR_FORMOSA, 0xe03c) },
/* Formosa Industrial Computing */
{ USB_DEVICE(VENDOR_FORMOSA, 0xe03e) },
+ /* Fintek eHome Infrared Transceiver (HP branded) */
+ { USB_DEVICE(VENDOR_FINTEK, 0x5168) },
/* Fintek eHome Infrared Transceiver */
{ USB_DEVICE(VENDOR_FINTEK, 0x0602) },
/* Fintek eHome Infrared Transceiver (in the AOpen MP45) */
{ USB_DEVICE(VENDOR_NORTHSTAR, 0xe004) },
/* TiVo PC IR Receiver */
{ USB_DEVICE(VENDOR_TIVO, 0x2000) },
- /* Conexant SDK */
+ /* Conexant Hybrid TV "Shelby" Polaris SDK */
{ USB_DEVICE(VENDOR_CONEXANT, 0x58a1),
.driver_info = POLARIS_EVK },
+ /* Conexant Hybrid TV RDU253S Polaris */
+ { USB_DEVICE(VENDOR_CONEXANT, 0x58a5),
+ .driver_info = CX_HYBRID_TV },
/* Terminating entry */
{ }
};
struct mceusb_dev {
/* ir-core bits */
struct ir_dev_props *props;
- struct ir_raw_event rawir;
+
+ /* optional features we can enable */
+ bool carrier_report_enabled;
+ bool learning_enabled;
/* core device bits */
struct device *dev;
/* buffers and dma */
unsigned char *buf_in;
unsigned int len_in;
+ dma_addr_t dma_in;
+ dma_addr_t dma_out;
enum {
CMD_HEADER = 0,
CMD_DATA,
PARSE_IRDATA,
} parser_state;
- u8 cmd, rem; /* Remaining IR data bytes in packet */
- dma_addr_t dma_in;
- dma_addr_t dma_out;
+ u8 cmd, rem; /* Remaining IR data bytes in packet */
struct {
u32 connected:1;
u32 tx_mask_inverted:1;
u32 microsoft_gen1:1;
+ u32 no_tx:1;
} flags;
/* transmit support */
case MCE_CMD_UNKNOWN:
case MCE_CMD_S_CARRIER:
case MCE_CMD_S_TIMEOUT:
- case MCE_CMD_G_RXSENSOR:
+ case MCE_RSP_PULSE_COUNT:
datasize = 2;
break;
+ case MCE_CMD_SIG_END:
case MCE_CMD_S_TXMASK:
case MCE_CMD_S_RXSENSOR:
datasize = 1;
return;
/* skip meaningless 0xb1 0x60 header bytes on orig receiver */
- if (ir->flags.microsoft_gen1 && !out)
+ if (ir->flags.microsoft_gen1 && !out && !offset)
skip = 2;
if (len <= skip)
break;
case MCE_COMMAND_HEADER:
switch (subcmd) {
+ case MCE_CMD_SIG_END:
+ dev_info(dev, "End of signal\n");
+ break;
case MCE_CMD_PING:
dev_info(dev, "Ping\n");
break;
inout, data1 == 0x02 ? "short" : "long");
break;
case MCE_CMD_G_RXSENSOR:
- if (len == 2)
+ /* aka MCE_RSP_PULSE_COUNT */
+ if (out)
dev_info(dev, "Get receive sensor\n");
- else
- dev_info(dev, "Received pulse count is %d\n",
+ else if (ir->learning_enabled)
+ dev_info(dev, "RX pulse count: %d\n",
((data1 << 8) | data2));
break;
case MCE_RSP_CMD_INVALID:
return ret ? ret : n;
}
-/* Sets active IR outputs -- mce devices typically (all?) have two */
+/* Sets active IR outputs -- mce devices typically have two */
static int mceusb_set_tx_mask(void *priv, u32 mask)
{
struct mceusb_dev *ir = priv;
if (carrier == 0) {
ir->carrier = carrier;
- cmdbuf[2] = 0x01;
+ cmdbuf[2] = MCE_CMD_SIG_END;
cmdbuf[3] = MCE_IRDATA_TRAILER;
dev_dbg(ir->dev, "%s: disabling carrier "
"modulation\n", __func__);
return carrier;
}
+/*
+ * We don't do anything but print debug spew for many of the command bits
+ * we receive from the hardware, but some of them are useful information
+ * we want to store so that we can use them.
+ */
+static void mceusb_handle_command(struct mceusb_dev *ir, int index)
+{
+ u8 hi = ir->buf_in[index + 1] & 0xff;
+ u8 lo = ir->buf_in[index + 2] & 0xff;
+
+ switch (ir->buf_in[index]) {
+ /* 2-byte return value commands */
+ case MCE_CMD_S_TIMEOUT:
+ ir->props->timeout = MS_TO_NS((hi << 8 | lo) / 2);
+ break;
+
+ /* 1-byte return value commands */
+ case MCE_CMD_S_TXMASK:
+ ir->tx_mask = hi;
+ break;
+ case MCE_CMD_S_RXSENSOR:
+ ir->learning_enabled = (hi == 0x02);
+ break;
+ default:
+ break;
+ }
+}
+
static void mceusb_process_ir_data(struct mceusb_dev *ir, int buf_len)
{
DEFINE_IR_RAW_EVENT(rawir);
if (ir->flags.microsoft_gen1)
i = 2;
+ /* if there's no data, just return now */
+ if (buf_len <= i)
+ return;
+
for (; i < buf_len; i++) {
switch (ir->parser_state) {
case SUBCMD:
ir->rem = mceusb_cmdsize(ir->cmd, ir->buf_in[i]);
mceusb_dev_printdata(ir, ir->buf_in, i - 1,
ir->rem + 2, false);
+ mceusb_handle_command(ir, i);
ir->parser_state = CMD_DATA;
break;
case PARSE_IRDATA:
ir->rem--;
rawir.pulse = ((ir->buf_in[i] & MCE_PULSE_BIT) != 0);
rawir.duration = (ir->buf_in[i] & MCE_PULSE_MASK)
- * MCE_TIME_UNIT * 1000;
-
- if ((ir->buf_in[i] & MCE_PULSE_MASK) == 0x7f) {
- if (ir->rawir.pulse == rawir.pulse) {
- ir->rawir.duration += rawir.duration;
- } else {
- ir->rawir.duration = rawir.duration;
- ir->rawir.pulse = rawir.pulse;
- }
- if (ir->rem)
- break;
- }
- rawir.duration += ir->rawir.duration;
- ir->rawir.duration = 0;
- ir->rawir.pulse = rawir.pulse;
+ * MS_TO_NS(MCE_TIME_UNIT);
dev_dbg(ir->dev, "Storing %s with duration %d\n",
rawir.pulse ? "pulse" : "space",
rawir.duration);
- ir_raw_event_store(ir->idev, &rawir);
+ ir_raw_event_store_with_filter(ir->idev, &rawir);
break;
case CMD_DATA:
ir->rem--;
continue;
}
ir->rem = (ir->cmd & MCE_PACKET_LENGTH_MASK);
- mceusb_dev_printdata(ir, ir->buf_in, i, ir->rem + 1, false);
- if (ir->rem) {
+ mceusb_dev_printdata(ir, ir->buf_in,
+ i, ir->rem + 1, false);
+ if (ir->rem)
ir->parser_state = PARSE_IRDATA;
- break;
- }
- /*
- * a package with len=0 (e. g. 0x80) means end of
- * data. We could use it to do the call to
- * ir_raw_event_handle(). For now, we don't need to
- * use it.
- */
break;
}
mce_async_out(ir, GET_CARRIER_FREQ, sizeof(GET_CARRIER_FREQ));
mce_sync_in(ir, NULL, maxp);
- /* get the transmitter bitmask */
- mce_async_out(ir, GET_TX_BITMASK, sizeof(GET_TX_BITMASK));
- mce_sync_in(ir, NULL, maxp);
+ if (!ir->flags.no_tx) {
+ /* get the transmitter bitmask */
+ mce_async_out(ir, GET_TX_BITMASK, sizeof(GET_TX_BITMASK));
+ mce_sync_in(ir, NULL, maxp);
+ }
/* get receiver timeout value */
mce_async_out(ir, GET_RX_TIMEOUT, sizeof(GET_RX_TIMEOUT));
props->priv = ir;
props->driver_type = RC_DRIVER_IR_RAW;
props->allowed_protos = IR_TYPE_ALL;
- props->s_tx_mask = mceusb_set_tx_mask;
- props->s_tx_carrier = mceusb_set_tx_carrier;
- props->tx_ir = mceusb_tx_ir;
+ if (!ir->flags.no_tx) {
+ props->s_tx_mask = mceusb_set_tx_mask;
+ props->s_tx_carrier = mceusb_set_tx_carrier;
+ props->tx_ir = mceusb_tx_ir;
+ }
ir->props = props;
+ usb_to_input_id(ir->usbdev, &idev->id);
+ idev->dev.parent = ir->dev;
+
if (mceusb_model[ir->model].rc_map)
rc_map = mceusb_model[ir->model].rc_map;
bool tx_mask_inverted;
bool is_polaris;
- dev_dbg(&intf->dev, ": %s called\n", __func__);
+ dev_dbg(&intf->dev, "%s called\n", __func__);
idesc = intf->cur_altsetting;
ep_in = ep;
ep_in->bmAttributes = USB_ENDPOINT_XFER_INT;
ep_in->bInterval = 1;
- dev_dbg(&intf->dev, ": acceptable inbound endpoint "
+ dev_dbg(&intf->dev, "acceptable inbound endpoint "
"found\n");
}
ep_out = ep;
ep_out->bmAttributes = USB_ENDPOINT_XFER_INT;
ep_out->bInterval = 1;
- dev_dbg(&intf->dev, ": acceptable outbound endpoint "
+ dev_dbg(&intf->dev, "acceptable outbound endpoint "
"found\n");
}
}
if (ep_in == NULL) {
- dev_dbg(&intf->dev, ": inbound and/or endpoint not found\n");
+ dev_dbg(&intf->dev, "inbound and/or endpoint not found\n");
return -ENODEV;
}
ir->len_in = maxp;
ir->flags.microsoft_gen1 = is_microsoft_gen1;
ir->flags.tx_mask_inverted = tx_mask_inverted;
+ ir->flags.no_tx = mceusb_model[model].no_tx;
ir->model = model;
- init_ir_raw_event(&ir->rawir);
-
/* Saving usb interface data for use by the transmitter routine */
ir->usb_ep_in = ep_in;
ir->usb_ep_out = ep_out;
mceusb_get_parameters(ir);
- mceusb_set_tx_mask(ir, MCE_DEFAULT_TX_MASK);
+ if (!ir->flags.no_tx)
+ mceusb_set_tx_mask(ir, MCE_DEFAULT_TX_MASK);
usb_set_intfdata(intf, ir);
projects / cascardo / linux.git / blobdiff