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 
18 static unsigned int disable_ir;
19 module_param(disable_ir, int, 0444);
20 MODULE_PARM_DESC(disable_ir,"disable infrared remote support");
21 
22 static unsigned int ir_debug;
23 module_param(ir_debug, int, 0644);
24 MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]");
25 
26 static int pinnacle_remote;
27 module_param(pinnacle_remote, int, 0644);    /* Choose Pinnacle PCTV remote */
28 MODULE_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 */
41 static int saa7134_raw_decode_irq(struct saa7134_dev *dev);
42 
43 /* -------------------- GPIO generic keycode builder -------------------- */
44 
build_key(struct saa7134_dev * dev)45 static 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 
get_key_flydvb_trio(struct IR_i2c * ir,enum rc_proto * protocol,u32 * scancode,u8 * toggle)105 static 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 
get_key_msi_tvanywhere_plus(struct IR_i2c * ir,enum rc_proto * protocol,u32 * scancode,u8 * toggle)160 static 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() */
get_key_kworld_pc150u(struct IR_i2c * ir,enum rc_proto * protocol,u32 * scancode,u8 * toggle)212 static 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 
get_key_purpletv(struct IR_i2c * ir,enum rc_proto * protocol,u32 * scancode,u8 * toggle)263 static 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 
get_key_beholdm6xx(struct IR_i2c * ir,enum rc_proto * protocol,u32 * scancode,u8 * toggle)292 static 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  */
get_key_pinnacle(struct IR_i2c * ir,enum rc_proto * protocol,u32 * scancode,u8 * toggle,int parity_offset,int marker,int code_modulo)332 static 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  */
get_key_pinnacle_grey(struct IR_i2c * ir,enum rc_proto * protocol,u32 * scancode,u8 * toggle)390 static 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  */
get_key_pinnacle_color(struct IR_i2c * ir,enum rc_proto * protocol,u32 * scancode,u8 * toggle)402 static 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 
saa7134_input_irq(struct saa7134_dev * dev)414 void 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 
saa7134_input_timer(struct timer_list * t)432 static void saa7134_input_timer(struct timer_list *t)
433 {
434 	struct saa7134_card_ir *ir = from_timer(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 
saa7134_ir_open(struct rc_dev * rc)441 int 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 
saa7134_ir_close(struct rc_dev * rc)493 void 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 		del_timer_sync(&ir->timer);
500 
501 	ir->running = false;
502 }
503 
saa7134_input_init1(struct saa7134_dev * dev)504 int 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 
824 err_out_free:
825 	rc_free_device(rc);
826 	dev->remote = NULL;
827 	kfree(ir);
828 	return err;
829 }
830 
saa7134_input_fini(struct saa7134_dev * dev)831 void 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 
saa7134_probe_i2c_ir(struct saa7134_dev * dev)841 void 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 
saa7134_raw_decode_irq(struct saa7134_dev * dev)988 static 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 }
1001