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Merge tag 'mm-hotfixes-stable-2025-07-11-16-16' of git://git.kernel.org/pub/scm/linux...
[linux-block.git] / drivers / media / pci / saa7134 / saa7134-input.c
... / ...
CommitLineData
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 *
4 * handle saa7134 IR remotes via linux kernel input layer.
5 */
6
7#include "saa7134.h"
8#include "saa7134-reg.h"
9
10#include <linux/module.h>
11#include <linux/init.h>
12#include <linux/delay.h>
13#include <linux/interrupt.h>
14#include <linux/slab.h>
15
16#define MODULE_NAME "saa7134"
17
18static unsigned int disable_ir;
19module_param(disable_ir, int, 0444);
20MODULE_PARM_DESC(disable_ir,"disable infrared remote support");
21
22static unsigned int ir_debug;
23module_param(ir_debug, int, 0644);
24MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]");
25
26static int pinnacle_remote;
27module_param(pinnacle_remote, int, 0644); /* Choose Pinnacle PCTV remote */
28MODULE_PARM_DESC(pinnacle_remote, "Specify Pinnacle PCTV remote: 0=coloured, 1=grey (defaults to 0)");
29
30#define input_dbg(fmt, arg...) do { \
31 if (ir_debug) \
32 printk(KERN_DEBUG pr_fmt("input: " fmt), ## arg); \
33 } while (0)
34#define ir_dbg(ir, fmt, arg...) do { \
35 if (ir_debug) \
36 printk(KERN_DEBUG pr_fmt("ir %s: " fmt), ir->rc->device_name, \
37 ## arg); \
38 } while (0)
39
40/* Helper function for raw decoding at GPIO16 or GPIO18 */
41static int saa7134_raw_decode_irq(struct saa7134_dev *dev);
42
43/* -------------------- GPIO generic keycode builder -------------------- */
44
45static int build_key(struct saa7134_dev *dev)
46{
47 struct saa7134_card_ir *ir = dev->remote;
48 u32 gpio, data;
49
50 /* here comes the additional handshake steps for some cards */
51 switch (dev->board) {
52 case SAA7134_BOARD_GOTVIEW_7135:
53 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x80);
54 saa_clearb(SAA7134_GPIO_GPSTATUS1, 0x80);
55 break;
56 }
57 /* rising SAA7134_GPIO_GPRESCAN reads the status */
58 saa_clearb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
59 saa_setb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
60
61 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
62 if (ir->polling) {
63 if (ir->last_gpio == gpio)
64 return 0;
65 ir->last_gpio = gpio;
66 }
67
68 data = ir_extract_bits(gpio, ir->mask_keycode);
69 input_dbg("build_key gpio=0x%x mask=0x%x data=%d\n",
70 gpio, ir->mask_keycode, data);
71
72 switch (dev->board) {
73 case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG:
74 if (data == ir->mask_keycode)
75 rc_keyup(ir->dev);
76 else
77 rc_keydown_notimeout(ir->dev, RC_PROTO_UNKNOWN, data,
78 0);
79 return 0;
80 }
81
82 if (ir->polling) {
83 if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) ||
84 (ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) {
85 rc_keydown_notimeout(ir->dev, RC_PROTO_UNKNOWN, data,
86 0);
87 } else {
88 rc_keyup(ir->dev);
89 }
90 }
91 else { /* IRQ driven mode - handle key press and release in one go */
92 if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) ||
93 (ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) {
94 rc_keydown_notimeout(ir->dev, RC_PROTO_UNKNOWN, data,
95 0);
96 rc_keyup(ir->dev);
97 }
98 }
99
100 return 0;
101}
102
103/* --------------------- Chip specific I2C key builders ----------------- */
104
105static int get_key_flydvb_trio(struct IR_i2c *ir, enum rc_proto *protocol,
106 u32 *scancode, u8 *toggle)
107{
108 int gpio, rc;
109 int attempt = 0;
110 unsigned char b;
111
112 /* We need this to access GPI Used by the saa_readl macro. */
113 struct saa7134_dev *dev = ir->c->adapter->algo_data;
114
115 if (dev == NULL) {
116 ir_dbg(ir, "get_key_flydvb_trio: ir->c->adapter->algo_data is NULL!\n");
117 return -EIO;
118 }
119
120 /* rising SAA7134_GPIGPRESCAN reads the status */
121 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
122 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
123
124 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
125
126 if (0x40000 & ~gpio)
127 return 0; /* No button press */
128
129 /* poll IR chip */
130 /* weak up the IR chip */
131 b = 0;
132
133 while (1 != i2c_master_send(ir->c, &b, 1)) {
134 if ((attempt++) < 10) {
135 /*
136 * wait a bit for next attempt -
137 * I don't know how make it better
138 */
139 msleep(10);
140 continue;
141 }
142 ir_dbg(ir, "send wake up byte to pic16C505 (IR chip)failed %dx\n",
143 attempt);
144 return -EIO;
145 }
146 rc = i2c_master_recv(ir->c, &b, 1);
147 if (rc != 1) {
148 ir_dbg(ir, "read error\n");
149 if (rc < 0)
150 return rc;
151 return -EIO;
152 }
153
154 *protocol = RC_PROTO_UNKNOWN;
155 *scancode = b;
156 *toggle = 0;
157 return 1;
158}
159
160static int get_key_msi_tvanywhere_plus(struct IR_i2c *ir,
161 enum rc_proto *protocol,
162 u32 *scancode, u8 *toggle)
163{
164 unsigned char b;
165 int gpio, rc;
166
167 /* <dev> is needed to access GPIO. Used by the saa_readl macro. */
168 struct saa7134_dev *dev = ir->c->adapter->algo_data;
169 if (dev == NULL) {
170 ir_dbg(ir, "get_key_msi_tvanywhere_plus: ir->c->adapter->algo_data is NULL!\n");
171 return -EIO;
172 }
173
174 /* rising SAA7134_GPIO_GPRESCAN reads the status */
175
176 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
177 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
178
179 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
180
181 /* GPIO&0x40 is pulsed low when a button is pressed. Don't do
182 I2C receive if gpio&0x40 is not low. */
183
184 if (gpio & 0x40)
185 return 0; /* No button press */
186
187 /* GPIO says there is a button press. Get it. */
188
189 rc = i2c_master_recv(ir->c, &b, 1);
190 if (rc != 1) {
191 ir_dbg(ir, "read error\n");
192 if (rc < 0)
193 return rc;
194 return -EIO;
195 }
196
197 /* No button press */
198
199 if (b == 0xff)
200 return 0;
201
202 /* Button pressed */
203
204 input_dbg("get_key_msi_tvanywhere_plus: Key = 0x%02X\n", b);
205 *protocol = RC_PROTO_UNKNOWN;
206 *scancode = b;
207 *toggle = 0;
208 return 1;
209}
210
211/* copied and modified from get_key_msi_tvanywhere_plus() */
212static int get_key_kworld_pc150u(struct IR_i2c *ir, enum rc_proto *protocol,
213 u32 *scancode, u8 *toggle)
214{
215 unsigned char b;
216 unsigned int gpio;
217 int rc;
218
219 /* <dev> is needed to access GPIO. Used by the saa_readl macro. */
220 struct saa7134_dev *dev = ir->c->adapter->algo_data;
221 if (dev == NULL) {
222 ir_dbg(ir, "get_key_kworld_pc150u: ir->c->adapter->algo_data is NULL!\n");
223 return -EIO;
224 }
225
226 /* rising SAA7134_GPIO_GPRESCAN reads the status */
227
228 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
229 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
230
231 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
232
233 /* GPIO&0x100 is pulsed low when a button is pressed. Don't do
234 I2C receive if gpio&0x100 is not low. */
235
236 if (gpio & 0x100)
237 return 0; /* No button press */
238
239 /* GPIO says there is a button press. Get it. */
240
241 rc = i2c_master_recv(ir->c, &b, 1);
242 if (rc != 1) {
243 ir_dbg(ir, "read error\n");
244 if (rc < 0)
245 return rc;
246 return -EIO;
247 }
248
249 /* No button press */
250
251 if (b == 0xff)
252 return 0;
253
254 /* Button pressed */
255
256 input_dbg("get_key_kworld_pc150u: Key = 0x%02X\n", b);
257 *protocol = RC_PROTO_UNKNOWN;
258 *scancode = b;
259 *toggle = 0;
260 return 1;
261}
262
263static int get_key_purpletv(struct IR_i2c *ir, enum rc_proto *protocol,
264 u32 *scancode, u8 *toggle)
265{
266 int rc;
267 unsigned char b;
268
269 /* poll IR chip */
270 rc = i2c_master_recv(ir->c, &b, 1);
271 if (rc != 1) {
272 ir_dbg(ir, "read error\n");
273 if (rc < 0)
274 return rc;
275 return -EIO;
276 }
277
278 /* no button press */
279 if (b==0)
280 return 0;
281
282 /* repeating */
283 if (b & 0x80)
284 return 1;
285
286 *protocol = RC_PROTO_UNKNOWN;
287 *scancode = b;
288 *toggle = 0;
289 return 1;
290}
291
292static int get_key_beholdm6xx(struct IR_i2c *ir, enum rc_proto *protocol,
293 u32 *scancode, u8 *toggle)
294{
295 int rc;
296 unsigned char data[12];
297 u32 gpio;
298
299 struct saa7134_dev *dev = ir->c->adapter->algo_data;
300
301 /* rising SAA7134_GPIO_GPRESCAN reads the status */
302 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
303 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
304
305 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
306
307 if (0x400000 & ~gpio)
308 return 0; /* No button press */
309
310 ir->c->addr = 0x5a >> 1;
311
312 rc = i2c_master_recv(ir->c, data, 12);
313 if (rc != 12) {
314 ir_dbg(ir, "read error\n");
315 if (rc < 0)
316 return rc;
317 return -EIO;
318 }
319
320 if (data[9] != (unsigned char)(~data[8]))
321 return 0;
322
323 *protocol = RC_PROTO_NECX;
324 *scancode = RC_SCANCODE_NECX(data[11] << 8 | data[10], data[9]);
325 *toggle = 0;
326 return 1;
327}
328
329/* Common (grey or coloured) pinnacle PCTV remote handling
330 *
331 */
332static int get_key_pinnacle(struct IR_i2c *ir, enum rc_proto *protocol,
333 u32 *scancode, u8 *toggle, int parity_offset,
334 int marker, int code_modulo)
335{
336 int rc;
337 unsigned char b[4];
338 unsigned int start = 0,parity = 0,code = 0;
339
340 /* poll IR chip */
341 rc = i2c_master_recv(ir->c, b, 4);
342 if (rc != 4) {
343 ir_dbg(ir, "read error\n");
344 if (rc < 0)
345 return rc;
346 return -EIO;
347 }
348
349 for (start = 0; start < ARRAY_SIZE(b); start++) {
350 if (b[start] == marker) {
351 code=b[(start+parity_offset + 1) % 4];
352 parity=b[(start+parity_offset) % 4];
353 }
354 }
355
356 /* Empty Request */
357 if (parity == 0)
358 return 0;
359
360 /* Repeating... */
361 if (ir->old == parity)
362 return 0;
363
364 ir->old = parity;
365
366 /* drop special codes when a key is held down a long time for the grey controller
367 In this case, the second bit of the code is asserted */
368 if (marker == 0xfe && (code & 0x40))
369 return 0;
370
371 code %= code_modulo;
372
373 *protocol = RC_PROTO_UNKNOWN;
374 *scancode = code;
375 *toggle = 0;
376
377 ir_dbg(ir, "Pinnacle PCTV key %02x\n", code);
378 return 1;
379}
380
381/* The grey pinnacle PCTV remote
382 *
383 * There are one issue with this remote:
384 * - I2c packet does not change when the same key is pressed quickly. The workaround
385 * is to hold down each key for about half a second, so that another code is generated
386 * in the i2c packet, and the function can distinguish key presses.
387 *
388 * Sylvain Pasche <sylvain.pasche@gmail.com>
389 */
390static int get_key_pinnacle_grey(struct IR_i2c *ir, enum rc_proto *protocol,
391 u32 *scancode, u8 *toggle)
392{
393
394 return get_key_pinnacle(ir, protocol, scancode, toggle, 1, 0xfe, 0xff);
395}
396
397
398/* The new pinnacle PCTV remote (with the colored buttons)
399 *
400 * Ricardo Cerqueira <v4l@cerqueira.org>
401 */
402static int get_key_pinnacle_color(struct IR_i2c *ir, enum rc_proto *protocol,
403 u32 *scancode, u8 *toggle)
404{
405 /* code_modulo parameter (0x88) is used to reduce code value to fit inside IR_KEYTAB_SIZE
406 *
407 * this is the only value that results in 42 unique
408 * codes < 128
409 */
410
411 return get_key_pinnacle(ir, protocol, scancode, toggle, 2, 0x80, 0x88);
412}
413
414void saa7134_input_irq(struct saa7134_dev *dev)
415{
416 struct saa7134_card_ir *ir;
417
418 if (!dev || !dev->remote)
419 return;
420
421 ir = dev->remote;
422 if (!ir->running)
423 return;
424
425 if (!ir->polling && !ir->raw_decode) {
426 build_key(dev);
427 } else if (ir->raw_decode) {
428 saa7134_raw_decode_irq(dev);
429 }
430}
431
432static void saa7134_input_timer(struct timer_list *t)
433{
434 struct saa7134_card_ir *ir = timer_container_of(ir, t, timer);
435 struct saa7134_dev *dev = ir->dev->priv;
436
437 build_key(dev);
438 mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling));
439}
440
441int saa7134_ir_open(struct rc_dev *rc)
442{
443 struct saa7134_dev *dev = rc->priv;
444 struct saa7134_card_ir *ir = dev->remote;
445
446 /* Moved here from saa7134_input_init1() because the latter
447 * is not called on device resume */
448 switch (dev->board) {
449 case SAA7134_BOARD_MD2819:
450 case SAA7134_BOARD_KWORLD_VSTREAM_XPERT:
451 case SAA7134_BOARD_AVERMEDIA_305:
452 case SAA7134_BOARD_AVERMEDIA_307:
453 case SAA7134_BOARD_AVERMEDIA_505:
454 case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
455 case SAA7134_BOARD_AVERMEDIA_STUDIO_505:
456 case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
457 case SAA7134_BOARD_AVERMEDIA_STUDIO_507:
458 case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA:
459 case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
460 case SAA7134_BOARD_AVERMEDIA_M102:
461 case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS:
462 /* Without this we won't receive key up events */
463 saa_setb(SAA7134_GPIO_GPMODE0, 0x4);
464 saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4);
465 break;
466 case SAA7134_BOARD_AVERMEDIA_777:
467 case SAA7134_BOARD_AVERMEDIA_A16AR:
468 /* Without this we won't receive key up events */
469 saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
470 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
471 break;
472 case SAA7134_BOARD_AVERMEDIA_A16D:
473 /* Without this we won't receive key up events */
474 saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
475 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
476 break;
477 case SAA7134_BOARD_GOTVIEW_7135:
478 saa_setb(SAA7134_GPIO_GPMODE1, 0x80);
479 break;
480 }
481
482 ir->running = true;
483
484 if (ir->polling) {
485 timer_setup(&ir->timer, saa7134_input_timer, 0);
486 ir->timer.expires = jiffies + HZ;
487 add_timer(&ir->timer);
488 }
489
490 return 0;
491}
492
493void saa7134_ir_close(struct rc_dev *rc)
494{
495 struct saa7134_dev *dev = rc->priv;
496 struct saa7134_card_ir *ir = dev->remote;
497
498 if (ir->polling)
499 timer_delete_sync(&ir->timer);
500
501 ir->running = false;
502}
503
504int saa7134_input_init1(struct saa7134_dev *dev)
505{
506 struct saa7134_card_ir *ir;
507 struct rc_dev *rc;
508 char *ir_codes = NULL;
509 u32 mask_keycode = 0;
510 u32 mask_keydown = 0;
511 u32 mask_keyup = 0;
512 unsigned polling = 0;
513 bool raw_decode = false;
514 int err;
515
516 if (dev->has_remote != SAA7134_REMOTE_GPIO)
517 return -ENODEV;
518 if (disable_ir)
519 return -ENODEV;
520
521 /* detect & configure */
522 switch (dev->board) {
523 case SAA7134_BOARD_FLYVIDEO2000:
524 case SAA7134_BOARD_FLYVIDEO3000:
525 case SAA7134_BOARD_FLYTVPLATINUM_FM:
526 case SAA7134_BOARD_FLYTVPLATINUM_MINI2:
527 case SAA7134_BOARD_ROVERMEDIA_LINK_PRO_FM:
528 ir_codes = RC_MAP_FLYVIDEO;
529 mask_keycode = 0xEC00000;
530 mask_keydown = 0x0040000;
531 break;
532 case SAA7134_BOARD_CINERGY400:
533 case SAA7134_BOARD_CINERGY600:
534 case SAA7134_BOARD_CINERGY600_MK3:
535 ir_codes = RC_MAP_CINERGY;
536 mask_keycode = 0x00003f;
537 mask_keyup = 0x040000;
538 break;
539 case SAA7134_BOARD_ECS_TVP3XP:
540 case SAA7134_BOARD_ECS_TVP3XP_4CB5:
541 ir_codes = RC_MAP_EZTV;
542 mask_keycode = 0x00017c;
543 mask_keyup = 0x000002;
544 polling = 50; // ms
545 break;
546 case SAA7134_BOARD_KWORLD_XPERT:
547 case SAA7134_BOARD_AVACSSMARTTV:
548 ir_codes = RC_MAP_PIXELVIEW;
549 mask_keycode = 0x00001F;
550 mask_keyup = 0x000020;
551 polling = 50; // ms
552 break;
553 case SAA7134_BOARD_MD2819:
554 case SAA7134_BOARD_KWORLD_VSTREAM_XPERT:
555 case SAA7134_BOARD_AVERMEDIA_305:
556 case SAA7134_BOARD_AVERMEDIA_307:
557 case SAA7134_BOARD_AVERMEDIA_505:
558 case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
559 case SAA7134_BOARD_AVERMEDIA_STUDIO_505:
560 case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
561 case SAA7134_BOARD_AVERMEDIA_STUDIO_507:
562 case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA:
563 case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
564 case SAA7134_BOARD_AVERMEDIA_M102:
565 case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS:
566 ir_codes = RC_MAP_AVERMEDIA;
567 mask_keycode = 0x0007C8;
568 mask_keydown = 0x000010;
569 polling = 50; // ms
570 /* GPIO stuff moved to saa7134_ir_open() */
571 break;
572 case SAA7134_BOARD_AVERMEDIA_M135A:
573 ir_codes = RC_MAP_AVERMEDIA_M135A;
574 mask_keydown = 0x0040000; /* Enable GPIO18 line on both edges */
575 mask_keyup = 0x0040000;
576 mask_keycode = 0xffff;
577 raw_decode = true;
578 break;
579 case SAA7134_BOARD_AVERMEDIA_M733A:
580 ir_codes = RC_MAP_AVERMEDIA_M733A_RM_K6;
581 mask_keydown = 0x0040000;
582 mask_keyup = 0x0040000;
583 mask_keycode = 0xffff;
584 raw_decode = true;
585 break;
586 case SAA7134_BOARD_AVERMEDIA_777:
587 case SAA7134_BOARD_AVERMEDIA_A16AR:
588 ir_codes = RC_MAP_AVERMEDIA;
589 mask_keycode = 0x02F200;
590 mask_keydown = 0x000400;
591 polling = 50; // ms
592 /* GPIO stuff moved to saa7134_ir_open() */
593 break;
594 case SAA7134_BOARD_AVERMEDIA_A16D:
595 ir_codes = RC_MAP_AVERMEDIA_A16D;
596 mask_keycode = 0x02F200;
597 mask_keydown = 0x000400;
598 polling = 50; /* ms */
599 /* GPIO stuff moved to saa7134_ir_open() */
600 break;
601 case SAA7134_BOARD_KWORLD_TERMINATOR:
602 ir_codes = RC_MAP_PIXELVIEW;
603 mask_keycode = 0x00001f;
604 mask_keyup = 0x000060;
605 polling = 50; // ms
606 break;
607 case SAA7134_BOARD_MANLI_MTV001:
608 case SAA7134_BOARD_MANLI_MTV002:
609 ir_codes = RC_MAP_MANLI;
610 mask_keycode = 0x001f00;
611 mask_keyup = 0x004000;
612 polling = 50; /* ms */
613 break;
614 case SAA7134_BOARD_BEHOLD_409FM:
615 case SAA7134_BOARD_BEHOLD_401:
616 case SAA7134_BOARD_BEHOLD_403:
617 case SAA7134_BOARD_BEHOLD_403FM:
618 case SAA7134_BOARD_BEHOLD_405:
619 case SAA7134_BOARD_BEHOLD_405FM:
620 case SAA7134_BOARD_BEHOLD_407:
621 case SAA7134_BOARD_BEHOLD_407FM:
622 case SAA7134_BOARD_BEHOLD_409:
623 case SAA7134_BOARD_BEHOLD_505FM:
624 case SAA7134_BOARD_BEHOLD_505RDS_MK5:
625 case SAA7134_BOARD_BEHOLD_505RDS_MK3:
626 case SAA7134_BOARD_BEHOLD_507_9FM:
627 case SAA7134_BOARD_BEHOLD_507RDS_MK3:
628 case SAA7134_BOARD_BEHOLD_507RDS_MK5:
629 ir_codes = RC_MAP_MANLI;
630 mask_keycode = 0x003f00;
631 mask_keyup = 0x004000;
632 polling = 50; /* ms */
633 break;
634 case SAA7134_BOARD_BEHOLD_COLUMBUS_TVFM:
635 ir_codes = RC_MAP_BEHOLD_COLUMBUS;
636 mask_keycode = 0x003f00;
637 mask_keyup = 0x004000;
638 polling = 50; // ms
639 break;
640 case SAA7134_BOARD_SEDNA_PC_TV_CARDBUS:
641 ir_codes = RC_MAP_PCTV_SEDNA;
642 mask_keycode = 0x001f00;
643 mask_keyup = 0x004000;
644 polling = 50; // ms
645 break;
646 case SAA7134_BOARD_GOTVIEW_7135:
647 ir_codes = RC_MAP_GOTVIEW7135;
648 mask_keycode = 0x0003CC;
649 mask_keydown = 0x000010;
650 polling = 5; /* ms */
651 /* GPIO stuff moved to saa7134_ir_open() */
652 break;
653 case SAA7134_BOARD_VIDEOMATE_TV_PVR:
654 case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS:
655 case SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII:
656 ir_codes = RC_MAP_VIDEOMATE_TV_PVR;
657 mask_keycode = 0x00003F;
658 mask_keyup = 0x400000;
659 polling = 50; // ms
660 break;
661 case SAA7134_BOARD_PROTEUS_2309:
662 ir_codes = RC_MAP_PROTEUS_2309;
663 mask_keycode = 0x00007F;
664 mask_keyup = 0x000080;
665 polling = 50; // ms
666 break;
667 case SAA7134_BOARD_VIDEOMATE_DVBT_300:
668 case SAA7134_BOARD_VIDEOMATE_DVBT_200:
669 ir_codes = RC_MAP_VIDEOMATE_TV_PVR;
670 mask_keycode = 0x003F00;
671 mask_keyup = 0x040000;
672 break;
673 case SAA7134_BOARD_FLYDVBS_LR300:
674 case SAA7134_BOARD_FLYDVBT_LR301:
675 case SAA7134_BOARD_FLYDVBTDUO:
676 ir_codes = RC_MAP_FLYDVB;
677 mask_keycode = 0x0001F00;
678 mask_keydown = 0x0040000;
679 break;
680 case SAA7134_BOARD_ASUSTeK_P7131_DUAL:
681 case SAA7134_BOARD_ASUSTeK_P7131_HYBRID_LNA:
682 case SAA7134_BOARD_ASUSTeK_P7131_ANALOG:
683 ir_codes = RC_MAP_ASUS_PC39;
684 mask_keydown = 0x0040000; /* Enable GPIO18 line on both edges */
685 mask_keyup = 0x0040000;
686 mask_keycode = 0xffff;
687 raw_decode = true;
688 break;
689 case SAA7134_BOARD_ASUSTeK_PS3_100:
690 ir_codes = RC_MAP_ASUS_PS3_100;
691 mask_keydown = 0x0040000;
692 mask_keyup = 0x0040000;
693 mask_keycode = 0xffff;
694 raw_decode = true;
695 break;
696 case SAA7134_BOARD_ENCORE_ENLTV:
697 case SAA7134_BOARD_ENCORE_ENLTV_FM:
698 ir_codes = RC_MAP_ENCORE_ENLTV;
699 mask_keycode = 0x00007f;
700 mask_keyup = 0x040000;
701 polling = 50; // ms
702 break;
703 case SAA7134_BOARD_ENCORE_ENLTV_FM53:
704 case SAA7134_BOARD_ENCORE_ENLTV_FM3:
705 ir_codes = RC_MAP_ENCORE_ENLTV_FM53;
706 mask_keydown = 0x0040000; /* Enable GPIO18 line on both edges */
707 mask_keyup = 0x0040000;
708 mask_keycode = 0xffff;
709 raw_decode = true;
710 break;
711 case SAA7134_BOARD_10MOONSTVMASTER3:
712 ir_codes = RC_MAP_ENCORE_ENLTV;
713 mask_keycode = 0x5f80000;
714 mask_keyup = 0x8000000;
715 polling = 50; //ms
716 break;
717 case SAA7134_BOARD_GENIUS_TVGO_A11MCE:
718 ir_codes = RC_MAP_GENIUS_TVGO_A11MCE;
719 mask_keycode = 0xff;
720 mask_keydown = 0xf00000;
721 polling = 50; /* ms */
722 break;
723 case SAA7134_BOARD_REAL_ANGEL_220:
724 ir_codes = RC_MAP_REAL_AUDIO_220_32_KEYS;
725 mask_keycode = 0x3f00;
726 mask_keyup = 0x4000;
727 polling = 50; /* ms */
728 break;
729 case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG:
730 ir_codes = RC_MAP_KWORLD_PLUS_TV_ANALOG;
731 mask_keycode = 0x7f;
732 polling = 40; /* ms */
733 break;
734 case SAA7134_BOARD_VIDEOMATE_S350:
735 ir_codes = RC_MAP_VIDEOMATE_S350;
736 mask_keycode = 0x003f00;
737 mask_keydown = 0x040000;
738 break;
739 case SAA7134_BOARD_LEADTEK_WINFAST_DTV1000S:
740 ir_codes = RC_MAP_WINFAST;
741 mask_keycode = 0x5f00;
742 mask_keyup = 0x020000;
743 polling = 50; /* ms */
744 break;
745 case SAA7134_BOARD_VIDEOMATE_M1F:
746 ir_codes = RC_MAP_VIDEOMATE_K100;
747 mask_keycode = 0x0ff00;
748 mask_keyup = 0x040000;
749 break;
750 case SAA7134_BOARD_HAUPPAUGE_HVR1150:
751 case SAA7134_BOARD_HAUPPAUGE_HVR1120:
752 ir_codes = RC_MAP_HAUPPAUGE;
753 mask_keydown = 0x0040000; /* Enable GPIO18 line on both edges */
754 mask_keyup = 0x0040000;
755 mask_keycode = 0xffff;
756 raw_decode = true;
757 break;
758 case SAA7134_BOARD_LEADTEK_WINFAST_TV2100_FM:
759 ir_codes = RC_MAP_LEADTEK_Y04G0051;
760 mask_keydown = 0x0040000; /* Enable GPIO18 line on both edges */
761 mask_keyup = 0x0040000;
762 mask_keycode = 0xffff;
763 raw_decode = true;
764 break;
765 }
766 if (NULL == ir_codes) {
767 pr_err("Oops: IR config error [card=%d]\n", dev->board);
768 return -ENODEV;
769 }
770
771 ir = kzalloc(sizeof(*ir), GFP_KERNEL);
772 rc = rc_allocate_device(RC_DRIVER_SCANCODE);
773 if (!ir || !rc) {
774 err = -ENOMEM;
775 goto err_out_free;
776 }
777
778 ir->dev = rc;
779 dev->remote = ir;
780
781 /* init hardware-specific stuff */
782 ir->mask_keycode = mask_keycode;
783 ir->mask_keydown = mask_keydown;
784 ir->mask_keyup = mask_keyup;
785 ir->polling = polling;
786 ir->raw_decode = raw_decode;
787
788 /* init input device */
789 snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
790 pci_name(dev->pci));
791
792 rc->priv = dev;
793 rc->open = saa7134_ir_open;
794 rc->close = saa7134_ir_close;
795 if (raw_decode) {
796 rc->driver_type = RC_DRIVER_IR_RAW;
797 rc->allowed_protocols = RC_PROTO_BIT_ALL_IR_DECODER;
798 }
799
800 rc->device_name = saa7134_boards[dev->board].name;
801 rc->input_phys = ir->phys;
802 rc->input_id.bustype = BUS_PCI;
803 rc->input_id.version = 1;
804 if (dev->pci->subsystem_vendor) {
805 rc->input_id.vendor = dev->pci->subsystem_vendor;
806 rc->input_id.product = dev->pci->subsystem_device;
807 } else {
808 rc->input_id.vendor = dev->pci->vendor;
809 rc->input_id.product = dev->pci->device;
810 }
811 rc->dev.parent = &dev->pci->dev;
812 rc->map_name = ir_codes;
813 rc->driver_name = MODULE_NAME;
814 rc->min_timeout = 1;
815 rc->timeout = IR_DEFAULT_TIMEOUT;
816 rc->max_timeout = 10 * IR_DEFAULT_TIMEOUT;
817
818 err = rc_register_device(rc);
819 if (err)
820 goto err_out_free;
821
822 return 0;
823
824err_out_free:
825 rc_free_device(rc);
826 dev->remote = NULL;
827 kfree(ir);
828 return err;
829}
830
831void saa7134_input_fini(struct saa7134_dev *dev)
832{
833 if (NULL == dev->remote)
834 return;
835
836 rc_unregister_device(dev->remote->dev);
837 kfree(dev->remote);
838 dev->remote = NULL;
839}
840
841void saa7134_probe_i2c_ir(struct saa7134_dev *dev)
842{
843 struct i2c_board_info info;
844 struct i2c_msg msg_msi = {
845 .addr = 0x50,
846 .flags = I2C_M_RD,
847 .len = 0,
848 .buf = NULL,
849 };
850 int rc;
851
852 if (disable_ir) {
853 input_dbg("IR has been disabled, not probing for i2c remote\n");
854 return;
855 }
856
857 memset(&info, 0, sizeof(struct i2c_board_info));
858 memset(&dev->init_data, 0, sizeof(dev->init_data));
859 strscpy(info.type, "ir_video", I2C_NAME_SIZE);
860
861 switch (dev->board) {
862 case SAA7134_BOARD_PINNACLE_PCTV_110i:
863 case SAA7134_BOARD_PINNACLE_PCTV_310i:
864 dev->init_data.name = "Pinnacle PCTV";
865 if (pinnacle_remote == 0) {
866 dev->init_data.get_key = get_key_pinnacle_color;
867 dev->init_data.ir_codes = RC_MAP_PINNACLE_COLOR;
868 info.addr = 0x47;
869 } else {
870 dev->init_data.get_key = get_key_pinnacle_grey;
871 dev->init_data.ir_codes = RC_MAP_PINNACLE_GREY;
872 info.addr = 0x47;
873 }
874 break;
875 case SAA7134_BOARD_UPMOST_PURPLE_TV:
876 dev->init_data.name = "Purple TV";
877 dev->init_data.get_key = get_key_purpletv;
878 dev->init_data.ir_codes = RC_MAP_PURPLETV;
879 info.addr = 0x7a;
880 break;
881 case SAA7134_BOARD_MSI_TVATANYWHERE_PLUS:
882 dev->init_data.name = "MSI TV@nywhere Plus";
883 dev->init_data.get_key = get_key_msi_tvanywhere_plus;
884 dev->init_data.ir_codes = RC_MAP_MSI_TVANYWHERE_PLUS;
885 /*
886 * MSI TV@nyware Plus requires more frequent polling
887 * otherwise it will miss some keypresses
888 */
889 dev->init_data.polling_interval = 50;
890 info.addr = 0x30;
891 /* MSI TV@nywhere Plus controller doesn't seem to
892 respond to probes unless we read something from
893 an existing device. Weird...
894 REVISIT: might no longer be needed */
895 rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1);
896 input_dbg("probe 0x%02x @ %s: %s\n",
897 msg_msi.addr, dev->i2c_adap.name,
898 (1 == rc) ? "yes" : "no");
899 break;
900 case SAA7134_BOARD_SNAZIO_TVPVR_PRO:
901 dev->init_data.name = "SnaZio* TVPVR PRO";
902 dev->init_data.get_key = get_key_msi_tvanywhere_plus;
903 dev->init_data.ir_codes = RC_MAP_MSI_TVANYWHERE_PLUS;
904 /*
905 * MSI TV@nyware Plus requires more frequent polling
906 * otherwise it will miss some keypresses
907 */
908 dev->init_data.polling_interval = 50;
909 info.addr = 0x30;
910 /*
911 * MSI TV@nywhere Plus controller doesn't seem to
912 * respond to probes unless we read something from
913 * an existing device. Weird...
914 * REVISIT: might no longer be needed
915 */
916 rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1);
917 input_dbg("probe 0x%02x @ %s: %s\n",
918 msg_msi.addr, dev->i2c_adap.name,
919 (rc == 1) ? "yes" : "no");
920 break;
921 case SAA7134_BOARD_KWORLD_PC150U:
922 /* copied and modified from MSI TV@nywhere Plus */
923 dev->init_data.name = "Kworld PC150-U";
924 dev->init_data.get_key = get_key_kworld_pc150u;
925 dev->init_data.ir_codes = RC_MAP_KWORLD_PC150U;
926 info.addr = 0x30;
927 /* MSI TV@nywhere Plus controller doesn't seem to
928 respond to probes unless we read something from
929 an existing device. Weird...
930 REVISIT: might no longer be needed */
931 rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1);
932 input_dbg("probe 0x%02x @ %s: %s\n",
933 msg_msi.addr, dev->i2c_adap.name,
934 (1 == rc) ? "yes" : "no");
935 break;
936 case SAA7134_BOARD_HAUPPAUGE_HVR1110:
937 dev->init_data.name = saa7134_boards[dev->board].name;
938 dev->init_data.ir_codes = RC_MAP_HAUPPAUGE;
939 dev->init_data.type = RC_PROTO_BIT_RC5 |
940 RC_PROTO_BIT_RC6_MCE | RC_PROTO_BIT_RC6_6A_32;
941 dev->init_data.internal_get_key_func = IR_KBD_GET_KEY_HAUP_XVR;
942 info.addr = 0x71;
943 break;
944 case SAA7134_BOARD_BEHOLD_607FM_MK3:
945 case SAA7134_BOARD_BEHOLD_607FM_MK5:
946 case SAA7134_BOARD_BEHOLD_609FM_MK3:
947 case SAA7134_BOARD_BEHOLD_609FM_MK5:
948 case SAA7134_BOARD_BEHOLD_607RDS_MK3:
949 case SAA7134_BOARD_BEHOLD_607RDS_MK5:
950 case SAA7134_BOARD_BEHOLD_609RDS_MK3:
951 case SAA7134_BOARD_BEHOLD_609RDS_MK5:
952 case SAA7134_BOARD_BEHOLD_M6:
953 case SAA7134_BOARD_BEHOLD_M63:
954 case SAA7134_BOARD_BEHOLD_M6_EXTRA:
955 case SAA7134_BOARD_BEHOLD_H6:
956 case SAA7134_BOARD_BEHOLD_X7:
957 case SAA7134_BOARD_BEHOLD_H7:
958 case SAA7134_BOARD_BEHOLD_A7:
959 dev->init_data.name = "BeholdTV";
960 dev->init_data.get_key = get_key_beholdm6xx;
961 dev->init_data.ir_codes = RC_MAP_BEHOLD;
962 dev->init_data.type = RC_PROTO_BIT_NECX;
963 info.addr = 0x2d;
964 break;
965 case SAA7134_BOARD_AVERMEDIA_CARDBUS_501:
966 case SAA7134_BOARD_AVERMEDIA_CARDBUS_506:
967 info.addr = 0x40;
968 break;
969 case SAA7134_BOARD_AVERMEDIA_A706:
970 info.addr = 0x41;
971 break;
972 case SAA7134_BOARD_FLYDVB_TRIO:
973 dev->init_data.name = "FlyDVB Trio";
974 dev->init_data.get_key = get_key_flydvb_trio;
975 dev->init_data.ir_codes = RC_MAP_FLYDVB;
976 info.addr = 0x0b;
977 break;
978 default:
979 input_dbg("No I2C IR support for board %x\n", dev->board);
980 return;
981 }
982
983 if (dev->init_data.name)
984 info.platform_data = &dev->init_data;
985 i2c_new_client_device(&dev->i2c_adap, &info);
986}
987
988static int saa7134_raw_decode_irq(struct saa7134_dev *dev)
989{
990 struct saa7134_card_ir *ir = dev->remote;
991 int space;
992
993 /* Generate initial event */
994 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
995 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
996 space = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & ir->mask_keydown;
997 ir_raw_event_store_edge(dev->remote->dev, !space);
998
999 return 1;
1000}
Linux 6.x block layer and io_uring tree(s)