xref: /openbmc/linux/drivers/media/pci/saa7134/saa7134-input.c (revision 4b4193256c8d3bc3a5397b5cd9494c2ad386317d)
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