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path: root/drivers/media/dvb/dvb-usb/dib0700_devices.c
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Diffstat (limited to 'drivers/media/dvb/dvb-usb/dib0700_devices.c')
-rw-r--r--drivers/media/dvb/dvb-usb/dib0700_devices.c160
1 files changed, 11 insertions, 149 deletions
diff --git a/drivers/media/dvb/dvb-usb/dib0700_devices.c b/drivers/media/dvb/dvb-usb/dib0700_devices.c
index 44972d01bbd..34eab05afc6 100644
--- a/drivers/media/dvb/dvb-usb/dib0700_devices.c
+++ b/drivers/media/dvb/dvb-usb/dib0700_devices.c
@@ -472,20 +472,25 @@ static u8 rc_request[] = { REQUEST_POLL_RC, 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");
@@ -557,149 +562,6 @@ static int dib0700_rc_query_legacy(struct dvb_usb_device *d, u32 *event,
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 },