Lines Matching full:ir
4 * keyboard input driver for i2c IR remote controls
51 #include <media/i2c/ir-kbd-i2c.h>
59 static int get_key_haup_common(struct IR_i2c *ir, enum rc_proto *protocol, in get_key_haup_common() argument
65 /* poll IR chip */ in get_key_haup_common()
66 if (size != i2c_master_recv(ir->c, buf, size)) in get_key_haup_common()
96 dev_dbg(&ir->rc->dev, in get_key_haup_common()
97 "ir hauppauge (rc5): s%d r%d t%d dev=%d code=%d\n", in get_key_haup_common()
114 dev_dbg(&ir->rc->dev, in get_key_haup_common()
115 "ir hauppauge (rc6-mce): t%d vendor=%d dev=%d code=%d\n", in get_key_haup_common()
120 dev_dbg(&ir->rc->dev, in get_key_haup_common()
121 "ir hauppauge (rc6-6a-32): vendor=%d dev=%d code=%d\n", in get_key_haup_common()
133 static int get_key_haup(struct IR_i2c *ir, enum rc_proto *protocol, in get_key_haup() argument
136 return get_key_haup_common(ir, protocol, scancode, toggle, 3); in get_key_haup()
139 static int get_key_haup_xvr(struct IR_i2c *ir, enum rc_proto *protocol, in get_key_haup_xvr() argument
151 ret = i2c_master_send(ir->c, buf, 1); in get_key_haup_xvr()
155 return get_key_haup_common(ir, protocol, scancode, toggle, 6); in get_key_haup_xvr()
158 static int get_key_pixelview(struct IR_i2c *ir, enum rc_proto *protocol, in get_key_pixelview() argument
164 /* poll IR chip */ in get_key_pixelview()
165 rc = i2c_master_recv(ir->c, &b, 1); in get_key_pixelview()
167 dev_dbg(&ir->rc->dev, "read error\n"); in get_key_pixelview()
179 static int get_key_fusionhdtv(struct IR_i2c *ir, enum rc_proto *protocol, in get_key_fusionhdtv() argument
185 /* poll IR chip */ in get_key_fusionhdtv()
186 rc = i2c_master_recv(ir->c, buf, 4); in get_key_fusionhdtv()
188 dev_dbg(&ir->rc->dev, "read error\n"); in get_key_fusionhdtv()
195 dev_dbg(&ir->rc->dev, "%s: %*ph\n", __func__, 4, buf); in get_key_fusionhdtv()
197 /* no key pressed or signal from other ir remote */ in get_key_fusionhdtv()
207 static int get_key_knc1(struct IR_i2c *ir, enum rc_proto *protocol, in get_key_knc1() argument
213 /* poll IR chip */ in get_key_knc1()
214 rc = i2c_master_recv(ir->c, &b, 1); in get_key_knc1()
216 dev_dbg(&ir->rc->dev, "read error\n"); in get_key_knc1()
226 dev_dbg(&ir->rc->dev, "key %02x\n", b); in get_key_knc1()
241 static int get_key_avermedia_cardbus(struct IR_i2c *ir, enum rc_proto *protocol, in get_key_avermedia_cardbus() argument
245 struct i2c_msg msg[] = { { .addr = ir->c->addr, .flags = 0, in get_key_avermedia_cardbus()
247 { .addr = ir->c->addr, .flags = I2C_M_RD, in get_key_avermedia_cardbus()
250 if (2 != i2c_transfer(ir->c->adapter, msg, 2)) { in get_key_avermedia_cardbus()
251 dev_dbg(&ir->rc->dev, "read error\n"); in get_key_avermedia_cardbus()
260 if (2 != i2c_transfer(ir->c->adapter, msg, 2)) { in get_key_avermedia_cardbus()
261 dev_dbg(&ir->rc->dev, "read error\n"); in get_key_avermedia_cardbus()
268 dev_dbg(&ir->rc->dev, "read key 0x%02x/0x%02x\n", key, keygroup); in get_key_avermedia_cardbus()
270 dev_warn(&ir->rc->dev, "warning: invalid key group 0x%02x for key 0x%02x\n", in get_key_avermedia_cardbus()
277 if (ir->c->addr == 0x41) /* AVerMedia EM78P153 */ in get_key_avermedia_cardbus()
285 static int ir_key_poll(struct IR_i2c *ir) in ir_key_poll() argument
292 dev_dbg(&ir->rc->dev, "%s\n", __func__); in ir_key_poll()
293 rc = ir->get_key(ir, &protocol, &scancode, &toggle); in ir_key_poll()
295 dev_warn(&ir->rc->dev, "error %d\n", rc); in ir_key_poll()
300 dev_dbg(&ir->rc->dev, "%s: proto = 0x%04x, scancode = 0x%08x\n", in ir_key_poll()
302 rc_keydown(ir->rc, protocol, scancode, toggle); in ir_key_poll()
310 struct IR_i2c *ir = container_of(work, struct IR_i2c, work.work); in ir_work() local
314 * IR, we'll get it to it next time round in ir_work()
316 if (mutex_trylock(&ir->lock)) { in ir_work()
317 rc = ir_key_poll(ir); in ir_work()
318 mutex_unlock(&ir->lock); in ir_work()
320 rc_unregister_device(ir->rc); in ir_work()
321 ir->rc = NULL; in ir_work()
326 schedule_delayed_work(&ir->work, msecs_to_jiffies(ir->polling_interval)); in ir_work()
331 struct IR_i2c *ir = dev->priv; in ir_open() local
333 schedule_delayed_work(&ir->work, 0); in ir_open()
340 struct IR_i2c *ir = dev->priv; in ir_close() local
342 cancel_delayed_work_sync(&ir->work); in ir_close()
360 * recorded IR. It's best to work with generated IR, like from ir-ctl or
373 static int send_data_block(struct IR_i2c *ir, int cmd, in send_data_block() argument
393 dev_dbg(&ir->rc->dev, "%*ph", tosend + 1, buf); in send_data_block()
394 ret = i2c_master_send(ir->tx_c, buf, tosend + 1); in send_data_block()
396 dev_dbg(&ir->rc->dev, in send_data_block()
405 ret = i2c_master_send(ir->tx_c, buf, 2); in send_data_block()
407 dev_err(&ir->rc->dev, "i2c_master_send failed with %d\n", ret); in send_data_block()
413 ret = i2c_master_send(ir->tx_c, buf, 1); in send_data_block()
415 dev_err(&ir->rc->dev, "i2c_master_send failed with %d\n", ret); in send_data_block()
422 static int zilog_init(struct IR_i2c *ir) in zilog_init() argument
430 ret = send_data_block(ir, ZILOG_INIT_END, &code_block); in zilog_init()
434 ret = i2c_master_recv(ir->tx_c, buf, 4); in zilog_init()
436 dev_err(&ir->c->dev, "failed to retrieve firmware version: %d\n", in zilog_init()
441 dev_info(&ir->c->dev, "Zilog/Hauppauge IR blaster firmware version %d.%d.%d\n", in zilog_init()
499 struct IR_i2c *ir = rcdev->priv; in zilog_ir_format() local
505 ir->duty_cycle * XTAL_FREQ / 1000, ir->carrier); in zilog_ir_format()
507 (100 - ir->duty_cycle) * XTAL_FREQ / 1000, ir->carrier); in zilog_ir_format()
511 dev_warn(&rcdev->dev, "IR too long, cannot transmit\n"); in zilog_ir_format()
577 dev_warn(&rcdev->dev, "IR too long, cannot transmit\n"); in zilog_ir_format()
590 dev_warn(&rcdev->dev, "IR too long, cannot transmit\n"); in zilog_ir_format()
610 struct IR_i2c *ir = rcdev->priv; in zilog_tx() local
619 ret = mutex_lock_interruptible(&ir->lock); in zilog_tx()
623 ret = send_data_block(ir, ZILOG_UIR_END, &code_block); in zilog_tx()
627 ret = i2c_master_recv(ir->tx_c, buf, 1); in zilog_tx()
629 dev_err(&ir->rc->dev, "i2c_master_recv failed with %d\n", ret); in zilog_tx()
633 dev_dbg(&ir->rc->dev, "code set status: %02x\n", buf[0]); in zilog_tx()
636 dev_err(&ir->rc->dev, "unexpected IR TX response %02x\n", in zilog_tx()
645 ret = i2c_master_send(ir->tx_c, buf, 2); in zilog_tx()
647 dev_err(&ir->rc->dev, "i2c_master_send failed with %d\n", ret); in zilog_tx()
653 dev_dbg(&ir->rc->dev, "send command sent\n"); in zilog_tx()
664 ret = i2c_master_send(ir->tx_c, buf, 1); in zilog_tx()
667 dev_dbg(&ir->rc->dev, in zilog_tx()
673 dev_err(&ir->rc->dev, in zilog_tx()
674 "IR TX chip never got ready: last i2c_master_send failed with %d\n", in zilog_tx()
681 i = i2c_master_recv(ir->tx_c, buf, 1); in zilog_tx()
683 dev_err(&ir->rc->dev, "i2c_master_recv failed with %d\n", ret); in zilog_tx()
687 dev_err(&ir->rc->dev, "unexpected IR TX response #2: %02x\n", in zilog_tx()
692 dev_dbg(&ir->rc->dev, "transmit complete\n"); in zilog_tx()
697 mutex_unlock(&ir->lock); in zilog_tx()
704 struct IR_i2c *ir = dev->priv; in zilog_tx_carrier() local
709 ir->carrier = carrier; in zilog_tx_carrier()
716 struct IR_i2c *ir = dev->priv; in zilog_tx_duty_cycle() local
718 ir->duty_cycle = duty_cycle; in zilog_tx_duty_cycle()
728 struct IR_i2c *ir; in ir_probe() local
736 …dev_err(&client->dev, "IR for HDPVR is known to cause problems during recording, use enable_hdpvr … in ir_probe()
740 ir = devm_kzalloc(&client->dev, sizeof(*ir), GFP_KERNEL); in ir_probe()
741 if (!ir) in ir_probe()
744 ir->c = client; in ir_probe()
745 ir->polling_interval = DEFAULT_POLLING_INTERVAL; in ir_probe()
746 i2c_set_clientdata(client, ir); in ir_probe()
751 ir->get_key = get_key_pixelview; in ir_probe()
759 ir->get_key = get_key_haup; in ir_probe()
765 ir->get_key = get_key_knc1; in ir_probe()
771 ir->get_key = get_key_fusionhdtv; in ir_probe()
777 ir->get_key = get_key_avermedia_cardbus; in ir_probe()
783 ir->get_key = get_key_avermedia_cardbus; in ir_probe()
790 ir->get_key = get_key_haup_xvr; in ir_probe()
811 ir->polling_interval = init_data->polling_interval; in ir_probe()
816 ir->get_key = init_data->get_key; in ir_probe()
819 ir->get_key = get_key_pixelview; in ir_probe()
822 ir->get_key = get_key_haup; in ir_probe()
825 ir->get_key = get_key_knc1; in ir_probe()
828 ir->get_key = get_key_fusionhdtv; in ir_probe()
831 ir->get_key = get_key_haup_xvr; in ir_probe()
834 ir->get_key = get_key_avermedia_cardbus; in ir_probe()
848 ir->rc = rc; in ir_probe()
851 if (!name || !ir->get_key || !rc_proto || !ir_codes) { in ir_probe()
858 ir->ir_codes = ir_codes; in ir_probe()
860 snprintf(ir->phys, sizeof(ir->phys), "%s/%s", dev_name(&adap->dev), in ir_probe()
868 rc->input_phys = ir->phys; in ir_probe()
871 rc->priv = ir; in ir_probe()
878 rc->map_name = ir->ir_codes; in ir_probe()
883 mutex_init(&ir->lock); in ir_probe()
885 INIT_DELAYED_WORK(&ir->work, ir_work); in ir_probe()
888 ir->tx_c = i2c_new_dummy_device(client->adapter, 0x70); in ir_probe()
889 if (IS_ERR(ir->tx_c)) { in ir_probe()
891 err = PTR_ERR(ir->tx_c); in ir_probe()
893 } else if (!zilog_init(ir)) { in ir_probe()
894 ir->carrier = 38000; in ir_probe()
895 ir->duty_cycle = 40; in ir_probe()
909 if (!IS_ERR(ir->tx_c)) in ir_probe()
910 i2c_unregister_device(ir->tx_c); in ir_probe()
919 struct IR_i2c *ir = i2c_get_clientdata(client); in ir_remove() local
921 cancel_delayed_work_sync(&ir->work); in ir_remove()
923 i2c_unregister_device(ir->tx_c); in ir_remove()
925 rc_unregister_device(ir->rc); in ir_remove()
931 /* Generic entry for any IR receiver */
933 /* IR device specific entries should be added here */
942 .name = "ir-kbd-i2c",
954 MODULE_DESCRIPTION("input driver for i2c IR remote controls");