diff options
Diffstat (limited to 'drivers/media/dvb/dvb-usb/dib0700_devices.c')
| -rw-r--r-- | drivers/media/dvb/dvb-usb/dib0700_devices.c | 160 |
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 44972d01bbd0..34eab05afc6c 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 }, |
