return dib0700_ctrl_wr(adap->dev, b, 4);
}
+/* Number of keypresses to ignore before start repeating */
+#define RC_REPEAT_DELAY_V1_20 10
+
+/* This is the structure of the RC response packet starting in firmware 1.20 */
+struct dib0700_rc_response {
+ u8 report_id;
+ u8 data_state;
+ u16 system;
+ u8 data;
+ u8 not_data;
+};
+#define RC_MSG_SIZE_V1_20 6
+
+static void dib0700_rc_urb_completion(struct urb *purb)
+{
+ struct dvb_usb_device *d = purb->context;
+ struct dvb_usb_rc_key *keymap;
+ struct dib0700_state *st;
+ struct dib0700_rc_response poll_reply;
+ u8 *buf;
+ int found = 0;
+ u32 event;
+ int state;
+ int i;
+
+ deb_info("%s()\n", __func__);
+ if (d == NULL)
+ return;
+
+ if (d->rc_input_dev == NULL) {
+ /* This will occur if disable_rc_polling=1 */
+ usb_free_urb(purb);
+ return;
+ }
+
+ keymap = d->props.rc_key_map;
+ st = d->priv;
+ buf = (u8 *)purb->transfer_buffer;
+
+ if (purb->status < 0) {
+ deb_info("discontinuing polling\n");
+ usb_free_urb(purb);
+ return;
+ }
+
+ if (purb->actual_length != RC_MSG_SIZE_V1_20) {
+ deb_info("malformed rc msg size=%d\n", purb->actual_length);
+ goto resubmit;
+ }
+
+ /* Set initial results in case we exit the function early */
+ event = 0;
+ state = REMOTE_NO_KEY_PRESSED;
+
+ deb_data("IR raw %02X %02X %02X %02X %02X %02X (len %d)\n", buf[0],
+ buf[1], buf[2], buf[3], buf[4], buf[5], purb->actual_length);
+
+ switch (dvb_usb_dib0700_ir_proto) {
+ case 0:
+ /* NEC Protocol */
+ poll_reply.report_id = 0;
+ poll_reply.data_state = 1;
+ poll_reply.system = buf[2];
+ poll_reply.data = buf[4];
+ poll_reply.not_data = buf[5];
+
+ /* NEC protocol sends repeat code as 0 0 0 FF */
+ if ((poll_reply.system == 0x00) && (poll_reply.data == 0x00)
+ && (poll_reply.not_data == 0xff)) {
+ poll_reply.data_state = 2;
+ break;
+ }
+ break;
+ default:
+ /* RC5 Protocol */
+ poll_reply.report_id = buf[0];
+ poll_reply.data_state = buf[1];
+ poll_reply.system = (buf[2] << 8) | buf[3];
+ poll_reply.data = buf[4];
+ poll_reply.not_data = buf[5];
+ break;
+ }
+
+ if ((poll_reply.data + poll_reply.not_data) != 0xff) {
+ /* Key failed integrity check */
+ err("key failed integrity check: %04x %02x %02x",
+ poll_reply.system,
+ poll_reply.data, poll_reply.not_data);
+ goto resubmit;
+ }
+
+ deb_data("rid=%02x ds=%02x sm=%04x d=%02x nd=%02x\n",
+ poll_reply.report_id, poll_reply.data_state,
+ poll_reply.system, poll_reply.data, poll_reply.not_data);
+
+ /* Find the key in the map */
+ for (i = 0; i < d->props.rc_key_map_size; i++) {
+ if (rc5_custom(&keymap[i]) == (poll_reply.system & 0xff) &&
+ rc5_data(&keymap[i]) == poll_reply.data) {
+ event = keymap[i].event;
+ found = 1;
+ break;
+ }
+ }
+
+ if (found == 0) {
+ err("Unknown remote controller key: %04x %02x %02x",
+ poll_reply.system, poll_reply.data, poll_reply.not_data);
+ d->last_event = 0;
+ goto resubmit;
+ }
+
+ if (poll_reply.data_state == 1) {
+ /* New key hit */
+ st->rc_counter = 0;
+ event = keymap[i].event;
+ state = REMOTE_KEY_PRESSED;
+ d->last_event = keymap[i].event;
+ } else if (poll_reply.data_state == 2) {
+ /* Key repeated */
+ st->rc_counter++;
+
+ /* prevents unwanted double hits */
+ if (st->rc_counter > RC_REPEAT_DELAY_V1_20) {
+ event = d->last_event;
+ state = REMOTE_KEY_PRESSED;
+ st->rc_counter = RC_REPEAT_DELAY_V1_20;
+ }
+ } else {
+ err("Unknown data state [%d]", poll_reply.data_state);
+ }
+
+ switch (state) {
+ case REMOTE_NO_KEY_PRESSED:
+ break;
+ case REMOTE_KEY_PRESSED:
+ deb_info("key pressed\n");
+ d->last_event = event;
+ case REMOTE_KEY_REPEAT:
+ deb_info("key repeated\n");
+ input_event(d->rc_input_dev, EV_KEY, event, 1);
+ input_event(d->rc_input_dev, EV_KEY, d->last_event, 0);
+ input_sync(d->rc_input_dev);
+ break;
+ default:
+ break;
+ }
+
+resubmit:
+ /* Clean the buffer before we requeue */
+ memset(purb->transfer_buffer, 0, RC_MSG_SIZE_V1_20);
+
+ /* Requeue URB */
+ usb_submit_urb(purb, GFP_ATOMIC);
+}
+
int dib0700_rc_setup(struct dvb_usb_device *d)
{
+ struct dib0700_state *st = d->priv;
u8 rc_setup[3] = {REQUEST_SET_RC, dvb_usb_dib0700_ir_proto, 0};
- int i = dib0700_ctrl_wr(d, rc_setup, 3);
+ struct urb *purb;
+ int ret;
+ int i;
+
+ if (d->props.rc_key_map == NULL)
+ return 0;
+
+ /* Set the IR mode */
+ i = dib0700_ctrl_wr(d, rc_setup, 3);
if (i<0) {
err("ir protocol setup failed");
return -1;
}
+
+ if (st->fw_version < 0x10200)
+ return 0;
+
+ /* Starting in firmware 1.20, the RC info is provided on a bulk pipe */
+ purb = usb_alloc_urb(0, GFP_KERNEL);
+ if (purb == NULL) {
+ err("rc usb alloc urb failed\n");
+ return -1;
+ }
+
+ purb->transfer_buffer = kzalloc(RC_MSG_SIZE_V1_20, GFP_KERNEL);
+ if (purb->transfer_buffer == NULL) {
+ err("rc kzalloc failed\n");
+ usb_free_urb(purb);
+ return -1;
+ }
+
+ purb->status = -EINPROGRESS;
+ usb_fill_bulk_urb(purb, d->udev, usb_rcvbulkpipe(d->udev, 1),
+ purb->transfer_buffer, RC_MSG_SIZE_V1_20,
+ dib0700_rc_urb_completion, d);
+
+ ret = usb_submit_urb(purb, GFP_ATOMIC);
+ if (ret != 0) {
+ err("rc submit urb failed\n");
+ return -1;
+ }
+
return 0;
}
/* Number of keypresses to ignore before start repeating */
#define RC_REPEAT_DELAY 6
-#define RC_REPEAT_DELAY_V1_20 10
-
-
-/* Used by firmware versions < 1.20 (deprecated) */
-static int dib0700_rc_query_legacy(struct dvb_usb_device *d, u32 *event,
- int *state)
+static int dib0700_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
{
u8 key[4];
int i;
struct dvb_usb_rc_key *keymap = d->props.rc_key_map;
struct dib0700_state *st = d->priv;
+
*event = 0;
*state = REMOTE_NO_KEY_PRESSED;
+
+ if (st->fw_version >= 0x10200) {
+ /* For 1.20 firmware , We need to keep the RC polling
+ callback so we can reuse the input device setup in
+ dvb-usb-remote.c. However, the actual work is being done
+ in the bulk URB completion handler. */
+ return 0;
+ }
+
i=dib0700_ctrl_rd(d,rc_request,2,key,4);
if (i<=0) {
err("RC Query Failed");
return 0;
}
-/* This is the structure of the RC response packet starting in firmware 1.20 */
-struct dib0700_rc_response {
- u8 report_id;
- u8 data_state;
- u16 system;
- u8 data;
- u8 not_data;
-};
-
-/* This supports the new IR response format for firmware v1.20 */
-static int dib0700_rc_query_v1_20(struct dvb_usb_device *d, u32 *event,
- int *state)
-{
- struct dvb_usb_rc_key *keymap = d->props.rc_key_map;
- struct dib0700_state *st = d->priv;
- struct dib0700_rc_response poll_reply;
- u8 buf[6];
- int i;
- int status;
- int actlen;
- int found = 0;
-
- /* Set initial results in case we exit the function early */
- *event = 0;
- *state = REMOTE_NO_KEY_PRESSED;
-
- /* Firmware v1.20 provides RC data via bulk endpoint 1 */
- status = usb_bulk_msg(d->udev, usb_rcvbulkpipe(d->udev, 1), buf,
- sizeof(buf), &actlen, 50);
- if (status < 0) {
- /* No data available (meaning no key press) */
- return 0;
- }
-
-
- switch (dvb_usb_dib0700_ir_proto) {
- case 0:
- poll_reply.report_id = 0;
- poll_reply.data_state = 1;
- poll_reply.system = buf[2];
- poll_reply.data = buf[4];
- poll_reply.not_data = buf[5];
-
- /* NEC protocol sends repeat code as 0 0 0 FF */
- if ((poll_reply.system == 0x00) && (poll_reply.data == 0x00)
- && (poll_reply.not_data == 0xff)) {
- poll_reply.data_state = 2;
- break;
- }
- break;
- default:
- if (actlen != sizeof(buf)) {
- /* We didn't get back the 6 byte message we expected */
- err("Unexpected RC response size [%d]", actlen);
- return -1;
- }
-
- poll_reply.report_id = buf[0];
- poll_reply.data_state = buf[1];
- poll_reply.system = (buf[2] << 8) | buf[3];
- poll_reply.data = buf[4];
- poll_reply.not_data = buf[5];
-
- break;
- }
-
- if ((poll_reply.data + poll_reply.not_data) != 0xff) {
- /* Key failed integrity check */
- err("key failed integrity check: %04x %02x %02x",
- poll_reply.system,
- poll_reply.data, poll_reply.not_data);
- return -1;
- }
-
-
- /* Find the key in the map */
- for (i = 0; i < d->props.rc_key_map_size; i++) {
- if (rc5_custom(&keymap[i]) == (poll_reply.system & 0xff) &&
- rc5_data(&keymap[i]) == poll_reply.data) {
- *event = keymap[i].event;
- found = 1;
- break;
- }
- }
-
- if (found == 0) {
- err("Unknown remote controller key: %04x %02x %02x",
- poll_reply.system,
- poll_reply.data, poll_reply.not_data);
- d->last_event = 0;
- return 0;
- }
-
- if (poll_reply.data_state == 1) {
- /* New key hit */
- st->rc_counter = 0;
- *event = keymap[i].event;
- *state = REMOTE_KEY_PRESSED;
- d->last_event = keymap[i].event;
- } else if (poll_reply.data_state == 2) {
- /* Key repeated */
- st->rc_counter++;
-
- /* prevents unwanted double hits */
- if (st->rc_counter > RC_REPEAT_DELAY_V1_20) {
- *event = d->last_event;
- *state = REMOTE_KEY_PRESSED;
- st->rc_counter = RC_REPEAT_DELAY_V1_20;
- }
- } else {
- err("Unknown data state [%d]", poll_reply.data_state);
- }
-
- return 0;
-}
-
-static int dib0700_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
-{
- struct dib0700_state *st = d->priv;
-
- /* Because some people may have improperly named firmware files,
- let's figure out whether to use the new firmware call or the legacy
- call based on the firmware version embedded in the file */
- if (st->rc_func_version == 0) {
- u32 hwver, romver, ramver, fwtype;
- int ret = dib0700_get_version(d, &hwver, &romver, &ramver,
- &fwtype);
- if (ret < 0) {
- err("Could not determine version info");
- return -1;
- }
- if (ramver < 0x10200)
- st->rc_func_version = 1;
- else
- st->rc_func_version = 2;
- }
-
- if (st->rc_func_version == 2)
- return dib0700_rc_query_v1_20(d, event, state);
- else
- return dib0700_rc_query_legacy(d, event, state);
-}
-
static struct dvb_usb_rc_key dib0700_rc_keys[] = {
/* Key codes for the tiny Pinnacle remote*/
{ 0x0700, KEY_MUTE },
projects / kernel / kernel-generic.git / commitdiff