Lines Matching +full:pulse +full:- +full:code
1 // SPDX-License-Identifier: GPL-2.0-or-later
6 * Copyright (c) 2000-2003 Gerd Knorr <kraxel@bytesex.org>
23 * - drivers/char/pctv_zilogir.[ch] from Hauppauge Broadway product
25 * - drivers/staging/media/lirc/lirc_zilog.c
26 * Copyright (c) 2000 Gerd Knorr <kraxel@goldbach.in-berlin.de>
50 #include <media/rc-core.h>
51 #include <media/i2c/ir-kbd-i2c.h>
63 int start, range, toggle, dev, code, ircode, vendor; in get_key_haup_common() local
66 if (size != i2c_master_recv(ir->c, buf, size)) in get_key_haup_common()
67 return -EIO; in get_key_haup_common()
77 code = (buf[offset+1] >> 2) & 0x3f; in get_key_haup_common()
82 * 1 = 0-63, 0 = 64 - 127 in get_key_haup_common()
89 ircode = (start << 12) | (toggle << 11) | (dev << 6) | code; in get_key_haup_common()
94 code += 64; 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()
98 start, range, toggle, dev, code); in get_key_haup_common()
101 *scancode = RC_SCANCODE_RC5(dev, code); in get_key_haup_common()
106 code = buf[4]; 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()
116 *ptoggle, vendor, dev, code); 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()
122 vendor, dev, code); in get_key_haup_common()
125 *scancode = RC_SCANCODE_RC6_6A(vendor, dev, code); in get_key_haup_common()
151 ret = i2c_master_send(ir->c, buf, 1); in get_key_haup_xvr()
153 return (ret < 0) ? ret : -EINVAL; in get_key_haup_xvr()
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()
170 return -EIO; in get_key_pixelview()
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()
191 return -EIO; in get_key_fusionhdtv()
195 dev_dbg(&ir->rc->dev, "%s: %*ph\n", __func__, 4, buf); in get_key_fusionhdtv()
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()
219 return -EIO; in get_key_knc1()
226 dev_dbg(&ir->rc->dev, "key %02x\n", b); in get_key_knc1()
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()
252 return -EIO; 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()
262 return -EIO; 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()
283 /* ----------------------------------------------------------------------- */
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()
313 * If the transmit code is holding the lock, skip polling for in ir_work()
316 if (mutex_trylock(&ir->lock)) { in ir_work()
318 mutex_unlock(&ir->lock); in ir_work()
319 if (rc == -ENODEV) { 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()
333 schedule_delayed_work(&ir->work, 0); in ir_open()
340 struct IR_i2c *ir = dev->priv; in ir_close()
342 cancel_delayed_work_sync(&ir->work); in ir_close()
358 * As you can see here, very few different lengths of pulse and space
360 * recorded IR. It's best to work with generated IR, like from ir-ctl or
361 * the in-kernel encoders.
365 u16 pulse[7]; /* not aligned */ member
379 p = &code_block->length; in send_data_block()
380 for (i = 0; p < code_block->csum; i++) in send_data_block()
381 code_block->csum[i & 1] ^= *p++; in send_data_block()
383 p = &code_block->length; in send_data_block()
386 int tosend = sizeof(*code_block) - i; in send_data_block()
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()
398 return ret < 0 ? ret : -EIO; 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()
408 return ret < 0 ? ret : -EIO; 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()
416 return ret < 0 ? ret : -EIO; in send_data_block()
428 put_unaligned_be16(0x1000, &code_block.pulse[3]); 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()
438 return ret < 0 ? ret : -EIO; in zilog_init()
441 dev_info(&ir->c->dev, "Zilog/Hauppauge IR blaster firmware version %d.%d.%d\n", in zilog_init()
448 * If the last slot for pulse is the same as the current slot for pulse,
455 while (count--) { in copy_codes()
472 while (--count) { in cmp_no_trail()
477 return (*a & 0xf0) - (*b & 0xf0); in cmp_no_trail()
493 return -1; in find_slot()
499 struct IR_i2c *ir = rcdev->priv; in zilog_ir_format()
504 code_block->carrier_pulse = DIV_ROUND_CLOSEST( in zilog_ir_format()
505 ir->duty_cycle * XTAL_FREQ / 1000, ir->carrier); in zilog_ir_format()
506 code_block->carrier_space = DIV_ROUND_CLOSEST( in zilog_ir_format()
507 (100 - ir->duty_cycle) * XTAL_FREQ / 1000, ir->carrier); in zilog_ir_format()
510 if (c >= ARRAY_SIZE(codes) - 1) { in zilog_ir_format()
511 dev_warn(&rcdev->dev, "IR too long, cannot transmit\n"); in zilog_ir_format()
512 return -EINVAL; in zilog_ir_format()
520 return -EINVAL; in zilog_ir_format()
525 s = find_slot(code_block->space, in zilog_ir_format()
526 ARRAY_SIZE(code_block->space), l); in zilog_ir_format()
527 if (s == -1) { in zilog_ir_format()
528 dev_warn(&rcdev->dev, "Too many different lengths spaces, cannot transmit"); in zilog_ir_format()
529 return -EINVAL; in zilog_ir_format()
532 /* We have a pulse and space */ in zilog_ir_format()
535 p = find_slot(code_block->pulse, in zilog_ir_format()
536 ARRAY_SIZE(code_block->pulse), l); in zilog_ir_format()
537 if (p == -1) { in zilog_ir_format()
538 dev_warn(&rcdev->dev, "Too many different lengths pulses, cannot transmit"); in zilog_ir_format()
539 return -EINVAL; in zilog_ir_format()
544 /* We have to encode the trailing pulse. Find the shortest space */ in zilog_ir_format()
546 for (i = 1; i < ARRAY_SIZE(code_block->space); i++) { in zilog_ir_format()
547 u16 d = get_unaligned_be16(&code_block->space[i]); in zilog_ir_format()
549 if (get_unaligned_be16(&code_block->space[s]) > d) in zilog_ir_format()
555 dev_dbg(&rcdev->dev, "generated %d codes\n", c); in zilog_ir_format()
558 * Are the last N codes (so pulse + space) repeating 3 times? in zilog_ir_format()
559 * if so we can shorten the codes list and use code 0xc0 to repeat in zilog_ir_format()
564 for (rep = c / 3; rep >= 1; rep--) { in zilog_ir_format()
565 if (!memcmp(&codes[c - rep * 3], &codes[c - rep * 2], rep) && in zilog_ir_format()
566 !cmp_no_trail(&codes[c - rep], &codes[c - rep * 2], rep)) { in zilog_ir_format()
573 /* first copy any leading non-repeating */ in zilog_ir_format()
574 int leading = c - rep * 3; in zilog_ir_format()
576 if (leading >= ARRAY_SIZE(code_block->codes) - 3 - rep) { in zilog_ir_format()
577 dev_warn(&rcdev->dev, "IR too long, cannot transmit\n"); in zilog_ir_format()
578 return -EINVAL; in zilog_ir_format()
581 dev_dbg(&rcdev->dev, "found trailing %d repeat\n", rep); in zilog_ir_format()
582 copy_codes(code_block->codes, codes, leading); in zilog_ir_format()
583 code_block->codes[leading] = 0x82; in zilog_ir_format()
584 copy_codes(code_block->codes + leading + 1, codes + leading, in zilog_ir_format()
587 code_block->codes[c++] = 0xc0; in zilog_ir_format()
589 if (c >= ARRAY_SIZE(code_block->codes) - 3) { in zilog_ir_format()
590 dev_warn(&rcdev->dev, "IR too long, cannot transmit\n"); in zilog_ir_format()
591 return -EINVAL; in zilog_ir_format()
594 dev_dbg(&rcdev->dev, "found no trailing repeat\n"); in zilog_ir_format()
595 code_block->codes[0] = 0x82; in zilog_ir_format()
596 copy_codes(code_block->codes + 1, codes, c); in zilog_ir_format()
598 code_block->codes[c++] = 0xc4; in zilog_ir_format()
601 while (c < ARRAY_SIZE(code_block->codes)) in zilog_ir_format()
602 code_block->codes[c++] = 0x83; in zilog_ir_format()
610 struct IR_i2c *ir = rcdev->priv; in zilog_tx()
619 ret = mutex_lock_interruptible(&ir->lock); 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()
638 ret = -EIO; 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()
649 ret = -EIO; 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()
677 ret = -EIO; in zilog_tx()
681 ret = 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()
684 ret = -EIO; in zilog_tx()
687 dev_err(&ir->rc->dev, "unexpected IR TX response #2: %02x\n", in zilog_tx()
689 ret = -EIO; 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()
707 return -EINVAL; in zilog_tx_carrier()
709 ir->carrier = carrier; in zilog_tx_carrier()
716 struct IR_i2c *ir = dev->priv; in zilog_tx_duty_cycle()
718 ir->duty_cycle = duty_cycle; in zilog_tx_duty_cycle()
730 struct i2c_adapter *adap = client->adapter; in ir_probe()
731 unsigned short addr = client->addr; in ir_probe()
732 bool probe_tx = (id->driver_data & FLAG_TX) != 0; in ir_probe()
735 if ((id->driver_data & FLAG_HDPVR) && !enable_hdpvr) { in ir_probe()
736 …dev_err(&client->dev, "IR for HDPVR is known to cause problems during recording, use enable_hdpvr … in ir_probe()
737 return -ENODEV; in ir_probe()
740 ir = devm_kzalloc(&client->dev, sizeof(*ir), GFP_KERNEL); in ir_probe()
742 return -ENOMEM; in ir_probe()
744 ir->c = client; in ir_probe()
745 ir->polling_interval = DEFAULT_POLLING_INTERVAL; 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()
785 /* RM-KV remote, seems to be same as RM-K6 */ in ir_probe()
790 ir->get_key = get_key_haup_xvr; in ir_probe()
794 ir->polling_interval = 125; in ir_probe()
800 if (client->dev.platform_data) { in ir_probe()
802 client->dev.platform_data; in ir_probe()
804 ir_codes = init_data->ir_codes; in ir_probe()
805 rc = init_data->rc_dev; in ir_probe()
807 name = init_data->name; in ir_probe()
808 if (init_data->type) in ir_probe()
809 rc_proto = init_data->type; in ir_probe()
811 if (init_data->polling_interval) in ir_probe()
812 ir->polling_interval = init_data->polling_interval; in ir_probe()
814 switch (init_data->internal_get_key_func) { in ir_probe()
817 ir->get_key = init_data->get_key; in ir_probe()
820 ir->get_key = get_key_pixelview; in ir_probe()
823 ir->get_key = get_key_haup; in ir_probe()
826 ir->get_key = get_key_knc1; in ir_probe()
829 ir->get_key = get_key_fusionhdtv; in ir_probe()
832 ir->get_key = get_key_haup_xvr; in ir_probe()
835 ir->get_key = get_key_avermedia_cardbus; in ir_probe()
847 return -ENOMEM; in ir_probe()
849 ir->rc = rc; in ir_probe()
852 if (!name || !ir->get_key || !rc_proto || !ir_codes) { in ir_probe()
853 dev_warn(&client->dev, "Unsupported device at address 0x%02x\n", in ir_probe()
855 err = -ENODEV; in ir_probe()
859 ir->ir_codes = ir_codes; in ir_probe()
861 snprintf(ir->phys, sizeof(ir->phys), "%s/%s", dev_name(&adap->dev), in ir_probe()
862 dev_name(&client->dev)); in ir_probe()
868 rc->input_id.bustype = BUS_I2C; in ir_probe()
869 rc->input_phys = ir->phys; in ir_probe()
870 rc->device_name = name; in ir_probe()
871 rc->dev.parent = &client->dev; in ir_probe()
872 rc->priv = ir; in ir_probe()
873 rc->open = ir_open; in ir_probe()
874 rc->close = ir_close; in ir_probe()
879 rc->map_name = ir->ir_codes; in ir_probe()
880 rc->allowed_protocols = rc_proto; in ir_probe()
881 if (!rc->driver_name) in ir_probe()
882 rc->driver_name = KBUILD_MODNAME; in ir_probe()
884 mutex_init(&ir->lock); in ir_probe()
886 INIT_DELAYED_WORK(&ir->work, ir_work); in ir_probe()
889 ir->tx_c = i2c_new_dummy_device(client->adapter, 0x70); in ir_probe()
890 if (IS_ERR(ir->tx_c)) { in ir_probe()
891 dev_err(&client->dev, "failed to setup tx i2c address"); in ir_probe()
892 err = PTR_ERR(ir->tx_c); in ir_probe()
895 ir->carrier = 38000; in ir_probe()
896 ir->duty_cycle = 40; in ir_probe()
897 rc->tx_ir = zilog_tx; in ir_probe()
898 rc->s_tx_carrier = zilog_tx_carrier; in ir_probe()
899 rc->s_tx_duty_cycle = zilog_tx_duty_cycle; in ir_probe()
910 if (!IS_ERR(ir->tx_c)) in ir_probe()
911 i2c_unregister_device(ir->tx_c); in ir_probe()
922 cancel_delayed_work_sync(&ir->work); in ir_remove()
924 i2c_unregister_device(ir->tx_c); in ir_remove()
926 rc_unregister_device(ir->rc); in ir_remove()
943 .name = "ir-kbd-i2c",
952 /* ----------------------------------------------------------------------- */