3 * handle saa7134 IR remotes via linux kernel input layer.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #include <linux/module.h>
22 #include <linux/init.h>
23 #include <linux/delay.h>
24 #include <linux/interrupt.h>
25 #include <linux/input.h>
26 #include <linux/slab.h>
28 #include "saa7134-reg.h"
31 #define MODULE_NAME "saa7134"
33 static unsigned int disable_ir;
34 module_param(disable_ir, int, 0444);
35 MODULE_PARM_DESC(disable_ir,"disable infrared remote support");
37 static unsigned int ir_debug;
38 module_param(ir_debug, int, 0644);
39 MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]");
41 static int pinnacle_remote;
42 module_param(pinnacle_remote, int, 0644); /* Choose Pinnacle PCTV remote */
43 MODULE_PARM_DESC(pinnacle_remote, "Specify Pinnacle PCTV remote: 0=coloured, 1=grey (defaults to 0)");
45 static int ir_rc5_remote_gap = 885;
46 module_param(ir_rc5_remote_gap, int, 0644);
47 static int ir_rc5_key_timeout = 115;
48 module_param(ir_rc5_key_timeout, int, 0644);
50 static int repeat_delay = 500;
51 module_param(repeat_delay, int, 0644);
52 MODULE_PARM_DESC(repeat_delay, "delay before key repeat started");
53 static int repeat_period = 33;
54 module_param(repeat_period, int, 0644);
55 MODULE_PARM_DESC(repeat_period, "repeat period between "
56 "keypresses when key is down");
58 static unsigned int disable_other_ir;
59 module_param(disable_other_ir, int, 0644);
60 MODULE_PARM_DESC(disable_other_ir, "disable full codes of "
61 "alternative remotes from other manufacturers");
63 #define dprintk(fmt, arg...) if (ir_debug) \
64 printk(KERN_DEBUG "%s/ir: " fmt, dev->name , ## arg)
65 #define i2cdprintk(fmt, arg...) if (ir_debug) \
66 printk(KERN_DEBUG "%s/ir: " fmt, ir->name , ## arg)
68 /* Helper functions for RC5 and NEC decoding at GPIO16 or GPIO18 */
69 static int saa7134_rc5_irq(struct saa7134_dev *dev);
70 static int saa7134_nec_irq(struct saa7134_dev *dev);
71 static int saa7134_raw_decode_irq(struct saa7134_dev *dev);
72 static void nec_task(unsigned long data);
73 static void saa7134_nec_timer(unsigned long data);
75 /* -------------------- GPIO generic keycode builder -------------------- */
77 static int build_key(struct saa7134_dev *dev)
79 struct card_ir *ir = dev->remote;
82 /* here comes the additional handshake steps for some cards */
84 case SAA7134_BOARD_GOTVIEW_7135:
85 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x80);
86 saa_clearb(SAA7134_GPIO_GPSTATUS1, 0x80);
89 /* rising SAA7134_GPIO_GPRESCAN reads the status */
90 saa_clearb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
91 saa_setb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
93 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
95 if (ir->last_gpio == gpio)
100 data = ir_extract_bits(gpio, ir->mask_keycode);
101 dprintk("build_key gpio=0x%x mask=0x%x data=%d\n",
102 gpio, ir->mask_keycode, data);
104 switch (dev->board) {
105 case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG:
106 if (data == ir->mask_keycode)
107 ir_input_nokey(ir->dev, &ir->ir);
109 ir_input_keydown(ir->dev, &ir->ir, data);
114 if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) ||
115 (ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) {
116 ir_input_keydown(ir->dev, &ir->ir, data);
118 ir_input_nokey(ir->dev, &ir->ir);
121 else { /* IRQ driven mode - handle key press and release in one go */
122 if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) ||
123 (ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) {
124 ir_input_keydown(ir->dev, &ir->ir, data);
125 ir_input_nokey(ir->dev, &ir->ir);
132 /* --------------------- Chip specific I2C key builders ----------------- */
134 static int get_key_flydvb_trio(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
140 /* We need this to access GPI Used by the saa_readl macro. */
141 struct saa7134_dev *dev = ir->c->adapter->algo_data;
144 i2cdprintk("get_key_flydvb_trio: "
145 "ir->c->adapter->algo_data is NULL!\n");
149 /* rising SAA7134_GPIGPRESCAN reads the status */
150 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
151 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
153 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
156 return 0; /* No button press */
158 /* No button press - only before first key pressed */
163 /* weak up the IR chip */
166 while (1 != i2c_master_send(ir->c, &b, 1)) {
167 if ((attempt++) < 10) {
169 * wait a bit for next attempt -
170 * I don't know how make it better
175 i2cdprintk("send wake up byte to pic16C505 (IR chip)"
176 "failed %dx\n", attempt);
179 if (1 != i2c_master_recv(ir->c, &b, 1)) {
180 i2cdprintk("read error\n");
189 static int get_key_msi_tvanywhere_plus(struct IR_i2c *ir, u32 *ir_key,
195 /* <dev> is needed to access GPIO. Used by the saa_readl macro. */
196 struct saa7134_dev *dev = ir->c->adapter->algo_data;
198 i2cdprintk("get_key_msi_tvanywhere_plus: "
199 "ir->c->adapter->algo_data is NULL!\n");
203 /* rising SAA7134_GPIO_GPRESCAN reads the status */
205 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
206 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
208 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
210 /* GPIO&0x40 is pulsed low when a button is pressed. Don't do
211 I2C receive if gpio&0x40 is not low. */
214 return 0; /* No button press */
216 /* GPIO says there is a button press. Get it. */
218 if (1 != i2c_master_recv(ir->c, &b, 1)) {
219 i2cdprintk("read error\n");
223 /* No button press */
230 dprintk("get_key_msi_tvanywhere_plus: Key = 0x%02X\n", b);
236 static int get_key_purpletv(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
241 if (1 != i2c_master_recv(ir->c, &b, 1)) {
242 i2cdprintk("read error\n");
246 /* no button press */
259 static int get_key_hvr1110(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
261 unsigned char buf[5], cod4, code3, code4;
264 if (5 != i2c_master_recv(ir->c, buf, 5))
281 static int get_key_beholdm6xx(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
283 unsigned char data[12];
286 struct saa7134_dev *dev = ir->c->adapter->algo_data;
288 /* rising SAA7134_GPIO_GPRESCAN reads the status */
289 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
290 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
292 gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
294 if (0x400000 & ~gpio)
295 return 0; /* No button press */
297 ir->c->addr = 0x5a >> 1;
299 if (12 != i2c_master_recv(ir->c, data, 12)) {
300 i2cdprintk("read error\n");
303 /* IR of this card normally decode signals NEC-standard from
304 * - Sven IHOO MT 5.1R remote. xxyye718
305 * - Sven DVD HD-10xx remote. xxyyf708
308 * So, skip not our, if disable full codes mode.
310 if (data[10] != 0x6b && data[11] != 0x86 && disable_other_ir)
313 /* Wrong data decode fix */
314 if (data[9] != (unsigned char)(~data[8]))
323 /* Common (grey or coloured) pinnacle PCTV remote handling
326 static int get_key_pinnacle(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw,
327 int parity_offset, int marker, int code_modulo)
330 unsigned int start = 0,parity = 0,code = 0;
333 if (4 != i2c_master_recv(ir->c, b, 4)) {
334 i2cdprintk("read error\n");
338 for (start = 0; start < ARRAY_SIZE(b); start++) {
339 if (b[start] == marker) {
340 code=b[(start+parity_offset + 1) % 4];
341 parity=b[(start+parity_offset) % 4];
350 if (ir->old == parity)
355 /* drop special codes when a key is held down a long time for the grey controller
356 In this case, the second bit of the code is asserted */
357 if (marker == 0xfe && (code & 0x40))
365 i2cdprintk("Pinnacle PCTV key %02x\n", code);
370 /* The grey pinnacle PCTV remote
372 * There are one issue with this remote:
373 * - I2c packet does not change when the same key is pressed quickly. The workaround
374 * is to hold down each key for about half a second, so that another code is generated
375 * in the i2c packet, and the function can distinguish key presses.
377 * Sylvain Pasche <sylvain.pasche@gmail.com>
379 static int get_key_pinnacle_grey(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
382 return get_key_pinnacle(ir, ir_key, ir_raw, 1, 0xfe, 0xff);
386 /* The new pinnacle PCTV remote (with the colored buttons)
388 * Ricardo Cerqueira <v4l@cerqueira.org>
390 static int get_key_pinnacle_color(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
392 /* code_modulo parameter (0x88) is used to reduce code value to fit inside IR_KEYTAB_SIZE
394 * this is the only value that results in 42 unique
398 return get_key_pinnacle(ir, ir_key, ir_raw, 2, 0x80, 0x88);
401 void saa7134_input_irq(struct saa7134_dev *dev)
405 if (!dev || !dev->remote)
413 saa7134_nec_irq(dev);
414 } else if (!ir->polling && !ir->rc5_gpio && !ir->raw_decode) {
416 } else if (ir->rc5_gpio) {
417 saa7134_rc5_irq(dev);
418 } else if (ir->raw_decode) {
419 saa7134_raw_decode_irq(dev);
423 static void saa7134_input_timer(unsigned long data)
425 struct saa7134_dev *dev = (struct saa7134_dev *)data;
426 struct card_ir *ir = dev->remote;
429 mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling));
432 void ir_raw_decode_timer_end(unsigned long data)
434 struct saa7134_dev *dev = (struct saa7134_dev *)data;
435 struct card_ir *ir = dev->remote;
437 ir_raw_event_handle(dev->remote->dev);
442 static int __saa7134_ir_start(void *priv)
444 struct saa7134_dev *dev = priv;
459 setup_timer(&ir->timer, saa7134_input_timer,
461 ir->timer.expires = jiffies + HZ;
462 add_timer(&ir->timer);
463 } else if (ir->rc5_gpio) {
464 /* set timer_end for code completion */
465 init_timer(&ir->timer_end);
466 ir->timer_end.function = ir_rc5_timer_end;
467 ir->timer_end.data = (unsigned long)ir;
468 init_timer(&ir->timer_keyup);
469 ir->timer_keyup.function = ir_rc5_timer_keyup;
470 ir->timer_keyup.data = (unsigned long)ir;
474 ir->rc5_key_timeout = ir_rc5_key_timeout;
475 ir->rc5_remote_gap = ir_rc5_remote_gap;
476 } else if (ir->nec_gpio) {
477 setup_timer(&ir->timer_keyup, saa7134_nec_timer,
479 tasklet_init(&ir->tlet, nec_task, (unsigned long)dev);
480 } else if (ir->raw_decode) {
481 /* set timer_end for code completion */
482 init_timer(&ir->timer_end);
483 ir->timer_end.function = ir_raw_decode_timer_end;
484 ir->timer_end.data = (unsigned long)dev;
491 static void __saa7134_ir_stop(void *priv)
493 struct saa7134_dev *dev = priv;
505 if (dev->remote->polling)
506 del_timer_sync(&dev->remote->timer);
507 else if (ir->rc5_gpio)
508 del_timer_sync(&ir->timer_end);
509 else if (ir->nec_gpio)
510 tasklet_kill(&ir->tlet);
511 else if (ir->raw_decode) {
512 del_timer_sync(&ir->timer_end);
521 int saa7134_ir_start(struct saa7134_dev *dev)
523 if (dev->remote->users)
524 return __saa7134_ir_start(dev);
529 void saa7134_ir_stop(struct saa7134_dev *dev)
531 if (dev->remote->users)
532 __saa7134_ir_stop(dev);
535 static int saa7134_ir_open(void *priv)
537 struct saa7134_dev *dev = priv;
539 dev->remote->users++;
540 return __saa7134_ir_start(dev);
543 static void saa7134_ir_close(void *priv)
545 struct saa7134_dev *dev = priv;
547 dev->remote->users--;
548 if (!dev->remote->users)
549 __saa7134_ir_stop(dev);
553 int saa7134_ir_change_protocol(void *priv, u64 ir_type)
555 struct saa7134_dev *dev = priv;
556 struct card_ir *ir = dev->remote;
557 u32 nec_gpio, rc5_gpio;
559 if (ir_type == IR_TYPE_RC5) {
560 dprintk("Changing protocol to RC5\n");
563 } else if (ir_type == IR_TYPE_NEC) {
564 dprintk("Changing protocol to NEC\n");
568 dprintk("IR protocol type %ud is not supported\n",
574 saa7134_ir_stop(dev);
575 ir->nec_gpio = nec_gpio;
576 ir->rc5_gpio = rc5_gpio;
577 saa7134_ir_start(dev);
579 ir->nec_gpio = nec_gpio;
580 ir->rc5_gpio = rc5_gpio;
586 int saa7134_input_init1(struct saa7134_dev *dev)
589 struct input_dev *input_dev;
590 char *ir_codes = NULL;
591 u32 mask_keycode = 0;
592 u32 mask_keydown = 0;
598 int allow_protocol_change = 0;
599 u64 ir_type = IR_TYPE_OTHER;
602 if (dev->has_remote != SAA7134_REMOTE_GPIO)
607 /* detect & configure */
608 switch (dev->board) {
609 case SAA7134_BOARD_FLYVIDEO2000:
610 case SAA7134_BOARD_FLYVIDEO3000:
611 case SAA7134_BOARD_FLYTVPLATINUM_FM:
612 case SAA7134_BOARD_FLYTVPLATINUM_MINI2:
613 case SAA7134_BOARD_ROVERMEDIA_LINK_PRO_FM:
614 ir_codes = RC_MAP_FLYVIDEO;
615 mask_keycode = 0xEC00000;
616 mask_keydown = 0x0040000;
618 case SAA7134_BOARD_CINERGY400:
619 case SAA7134_BOARD_CINERGY600:
620 case SAA7134_BOARD_CINERGY600_MK3:
621 ir_codes = RC_MAP_CINERGY;
622 mask_keycode = 0x00003f;
623 mask_keyup = 0x040000;
625 case SAA7134_BOARD_ECS_TVP3XP:
626 case SAA7134_BOARD_ECS_TVP3XP_4CB5:
627 ir_codes = RC_MAP_EZTV;
628 mask_keycode = 0x00017c;
629 mask_keyup = 0x000002;
632 case SAA7134_BOARD_KWORLD_XPERT:
633 case SAA7134_BOARD_AVACSSMARTTV:
634 ir_codes = RC_MAP_PIXELVIEW;
635 mask_keycode = 0x00001F;
636 mask_keyup = 0x000020;
639 case SAA7134_BOARD_MD2819:
640 case SAA7134_BOARD_KWORLD_VSTREAM_XPERT:
641 case SAA7134_BOARD_AVERMEDIA_305:
642 case SAA7134_BOARD_AVERMEDIA_307:
643 case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
644 case SAA7134_BOARD_AVERMEDIA_STUDIO_505:
645 case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
646 case SAA7134_BOARD_AVERMEDIA_STUDIO_507:
647 case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA:
648 case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
649 case SAA7134_BOARD_AVERMEDIA_M102:
650 case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS:
651 ir_codes = RC_MAP_AVERMEDIA;
652 mask_keycode = 0x0007C8;
653 mask_keydown = 0x000010;
655 /* Set GPIO pin2 to high to enable the IR controller */
656 saa_setb(SAA7134_GPIO_GPMODE0, 0x4);
657 saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4);
659 case SAA7134_BOARD_AVERMEDIA_M135A:
660 ir_codes = RC_MAP_AVERMEDIA_M135A;
661 mask_keydown = 0x0040000; /* Enable GPIO18 line on both edges */
662 mask_keyup = 0x0040000;
663 mask_keycode = 0xffff;
666 case SAA7134_BOARD_AVERMEDIA_M733A:
667 ir_codes = RC_MAP_AVERMEDIA_M733A_RM_K6;
668 mask_keydown = 0x0040000;
669 mask_keyup = 0x0040000;
670 mask_keycode = 0xffff;
673 case SAA7134_BOARD_AVERMEDIA_777:
674 case SAA7134_BOARD_AVERMEDIA_A16AR:
675 ir_codes = RC_MAP_AVERMEDIA;
676 mask_keycode = 0x02F200;
677 mask_keydown = 0x000400;
679 /* Without this we won't receive key up events */
680 saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
681 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
683 case SAA7134_BOARD_AVERMEDIA_A16D:
684 ir_codes = RC_MAP_AVERMEDIA_A16D;
685 mask_keycode = 0x02F200;
686 mask_keydown = 0x000400;
687 polling = 50; /* ms */
688 /* Without this we won't receive key up events */
689 saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
690 saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
692 case SAA7134_BOARD_KWORLD_TERMINATOR:
693 ir_codes = RC_MAP_PIXELVIEW;
694 mask_keycode = 0x00001f;
695 mask_keyup = 0x000060;
698 case SAA7134_BOARD_MANLI_MTV001:
699 case SAA7134_BOARD_MANLI_MTV002:
700 ir_codes = RC_MAP_MANLI;
701 mask_keycode = 0x001f00;
702 mask_keyup = 0x004000;
703 polling = 50; /* ms */
705 case SAA7134_BOARD_BEHOLD_409FM:
706 case SAA7134_BOARD_BEHOLD_401:
707 case SAA7134_BOARD_BEHOLD_403:
708 case SAA7134_BOARD_BEHOLD_403FM:
709 case SAA7134_BOARD_BEHOLD_405:
710 case SAA7134_BOARD_BEHOLD_405FM:
711 case SAA7134_BOARD_BEHOLD_407:
712 case SAA7134_BOARD_BEHOLD_407FM:
713 case SAA7134_BOARD_BEHOLD_409:
714 case SAA7134_BOARD_BEHOLD_505FM:
715 case SAA7134_BOARD_BEHOLD_505RDS_MK5:
716 case SAA7134_BOARD_BEHOLD_505RDS_MK3:
717 case SAA7134_BOARD_BEHOLD_507_9FM:
718 case SAA7134_BOARD_BEHOLD_507RDS_MK3:
719 case SAA7134_BOARD_BEHOLD_507RDS_MK5:
720 ir_codes = RC_MAP_MANLI;
721 mask_keycode = 0x003f00;
722 mask_keyup = 0x004000;
723 polling = 50; /* ms */
725 case SAA7134_BOARD_BEHOLD_COLUMBUS_TVFM:
726 ir_codes = RC_MAP_BEHOLD_COLUMBUS;
727 mask_keycode = 0x003f00;
728 mask_keyup = 0x004000;
731 case SAA7134_BOARD_SEDNA_PC_TV_CARDBUS:
732 ir_codes = RC_MAP_PCTV_SEDNA;
733 mask_keycode = 0x001f00;
734 mask_keyup = 0x004000;
737 case SAA7134_BOARD_GOTVIEW_7135:
738 ir_codes = RC_MAP_GOTVIEW7135;
739 mask_keycode = 0x0003CC;
740 mask_keydown = 0x000010;
741 polling = 5; /* ms */
742 saa_setb(SAA7134_GPIO_GPMODE1, 0x80);
744 case SAA7134_BOARD_VIDEOMATE_TV_PVR:
745 case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS:
746 case SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII:
747 ir_codes = RC_MAP_VIDEOMATE_TV_PVR;
748 mask_keycode = 0x00003F;
749 mask_keyup = 0x400000;
752 case SAA7134_BOARD_PROTEUS_2309:
753 ir_codes = RC_MAP_PROTEUS_2309;
754 mask_keycode = 0x00007F;
755 mask_keyup = 0x000080;
758 case SAA7134_BOARD_VIDEOMATE_DVBT_300:
759 case SAA7134_BOARD_VIDEOMATE_DVBT_200:
760 ir_codes = RC_MAP_VIDEOMATE_TV_PVR;
761 mask_keycode = 0x003F00;
762 mask_keyup = 0x040000;
764 case SAA7134_BOARD_FLYDVBS_LR300:
765 case SAA7134_BOARD_FLYDVBT_LR301:
766 case SAA7134_BOARD_FLYDVBTDUO:
767 ir_codes = RC_MAP_FLYDVB;
768 mask_keycode = 0x0001F00;
769 mask_keydown = 0x0040000;
771 case SAA7134_BOARD_ASUSTeK_P7131_DUAL:
772 case SAA7134_BOARD_ASUSTeK_P7131_HYBRID_LNA:
773 case SAA7134_BOARD_ASUSTeK_P7131_ANALOG:
774 ir_codes = RC_MAP_ASUS_PC39;
775 mask_keydown = 0x0040000;
778 case SAA7134_BOARD_ENCORE_ENLTV:
779 case SAA7134_BOARD_ENCORE_ENLTV_FM:
780 ir_codes = RC_MAP_ENCORE_ENLTV;
781 mask_keycode = 0x00007f;
782 mask_keyup = 0x040000;
785 case SAA7134_BOARD_ENCORE_ENLTV_FM53:
786 ir_codes = RC_MAP_ENCORE_ENLTV_FM53;
787 mask_keydown = 0x0040000;
788 mask_keycode = 0x00007f;
791 case SAA7134_BOARD_10MOONSTVMASTER3:
792 ir_codes = RC_MAP_ENCORE_ENLTV;
793 mask_keycode = 0x5f80000;
794 mask_keyup = 0x8000000;
797 case SAA7134_BOARD_GENIUS_TVGO_A11MCE:
798 ir_codes = RC_MAP_GENIUS_TVGO_A11MCE;
800 mask_keydown = 0xf00000;
801 polling = 50; /* ms */
803 case SAA7134_BOARD_REAL_ANGEL_220:
804 ir_codes = RC_MAP_REAL_AUDIO_220_32_KEYS;
805 mask_keycode = 0x3f00;
807 polling = 50; /* ms */
809 case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG:
810 ir_codes = RC_MAP_KWORLD_PLUS_TV_ANALOG;
812 polling = 40; /* ms */
814 case SAA7134_BOARD_VIDEOMATE_S350:
815 ir_codes = RC_MAP_VIDEOMATE_S350;
816 mask_keycode = 0x003f00;
817 mask_keydown = 0x040000;
819 case SAA7134_BOARD_LEADTEK_WINFAST_DTV1000S:
820 ir_codes = RC_MAP_WINFAST;
821 mask_keycode = 0x5f00;
822 mask_keyup = 0x020000;
823 polling = 50; /* ms */
826 if (NULL == ir_codes) {
827 printk("%s: Oops: IR config error [card=%d]\n",
828 dev->name, dev->board);
832 ir = kzalloc(sizeof(*ir), GFP_KERNEL);
833 input_dev = input_allocate_device();
834 if (!ir || !input_dev) {
844 /* init hardware-specific stuff */
845 ir->mask_keycode = mask_keycode;
846 ir->mask_keydown = mask_keydown;
847 ir->mask_keyup = mask_keyup;
848 ir->polling = polling;
849 ir->rc5_gpio = rc5_gpio;
850 ir->nec_gpio = nec_gpio;
851 ir->raw_decode = raw_decode;
853 /* init input device */
854 snprintf(ir->name, sizeof(ir->name), "saa7134 IR (%s)",
855 saa7134_boards[dev->board].name);
856 snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
860 ir->props.priv = dev;
861 ir->props.open = saa7134_ir_open;
862 ir->props.close = saa7134_ir_close;
865 ir->props.driver_type = RC_DRIVER_IR_RAW;
867 if (!raw_decode && allow_protocol_change) {
868 ir->props.allowed_protos = IR_TYPE_RC5 | IR_TYPE_NEC;
869 ir->props.change_protocol = saa7134_ir_change_protocol;
872 err = ir_input_init(input_dev, &ir->ir, ir_type);
876 input_dev->name = ir->name;
877 input_dev->phys = ir->phys;
878 input_dev->id.bustype = BUS_PCI;
879 input_dev->id.version = 1;
880 if (dev->pci->subsystem_vendor) {
881 input_dev->id.vendor = dev->pci->subsystem_vendor;
882 input_dev->id.product = dev->pci->subsystem_device;
884 input_dev->id.vendor = dev->pci->vendor;
885 input_dev->id.product = dev->pci->device;
887 input_dev->dev.parent = &dev->pci->dev;
889 err = ir_input_register(ir->dev, ir_codes, &ir->props, MODULE_NAME);
893 /* the remote isn't as bouncy as a keyboard */
894 ir->dev->rep[REP_DELAY] = repeat_delay;
895 ir->dev->rep[REP_PERIOD] = repeat_period;
905 void saa7134_input_fini(struct saa7134_dev *dev)
907 if (NULL == dev->remote)
910 saa7134_ir_stop(dev);
911 ir_input_unregister(dev->remote->dev);
916 void saa7134_probe_i2c_ir(struct saa7134_dev *dev)
918 struct i2c_board_info info;
920 struct i2c_msg msg_msi = {
930 dprintk("IR has been disabled, not probing for i2c remote\n");
934 memset(&info, 0, sizeof(struct i2c_board_info));
935 memset(&dev->init_data, 0, sizeof(dev->init_data));
936 strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
938 switch (dev->board) {
939 case SAA7134_BOARD_PINNACLE_PCTV_110i:
940 case SAA7134_BOARD_PINNACLE_PCTV_310i:
941 dev->init_data.name = "Pinnacle PCTV";
942 if (pinnacle_remote == 0) {
943 dev->init_data.get_key = get_key_pinnacle_color;
944 dev->init_data.ir_codes = RC_MAP_PINNACLE_COLOR;
947 dev->init_data.get_key = get_key_pinnacle_grey;
948 dev->init_data.ir_codes = RC_MAP_PINNACLE_GREY;
952 case SAA7134_BOARD_UPMOST_PURPLE_TV:
953 dev->init_data.name = "Purple TV";
954 dev->init_data.get_key = get_key_purpletv;
955 dev->init_data.ir_codes = RC_MAP_PURPLETV;
958 case SAA7134_BOARD_MSI_TVATANYWHERE_PLUS:
959 dev->init_data.name = "MSI TV@nywhere Plus";
960 dev->init_data.get_key = get_key_msi_tvanywhere_plus;
961 dev->init_data.ir_codes = RC_MAP_MSI_TVANYWHERE_PLUS;
963 /* MSI TV@nywhere Plus controller doesn't seem to
964 respond to probes unless we read something from
965 an existing device. Weird...
966 REVISIT: might no longer be needed */
967 rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1);
968 dprintk(KERN_DEBUG "probe 0x%02x @ %s: %s\n",
969 msg_msi.addr, dev->i2c_adap.name,
970 (1 == rc) ? "yes" : "no");
972 case SAA7134_BOARD_HAUPPAUGE_HVR1110:
973 dev->init_data.name = "HVR 1110";
974 dev->init_data.get_key = get_key_hvr1110;
975 dev->init_data.ir_codes = RC_MAP_HAUPPAUGE_NEW;
978 case SAA7134_BOARD_BEHOLD_607FM_MK3:
979 case SAA7134_BOARD_BEHOLD_607FM_MK5:
980 case SAA7134_BOARD_BEHOLD_609FM_MK3:
981 case SAA7134_BOARD_BEHOLD_609FM_MK5:
982 case SAA7134_BOARD_BEHOLD_607RDS_MK3:
983 case SAA7134_BOARD_BEHOLD_607RDS_MK5:
984 case SAA7134_BOARD_BEHOLD_609RDS_MK3:
985 case SAA7134_BOARD_BEHOLD_609RDS_MK5:
986 case SAA7134_BOARD_BEHOLD_M6:
987 case SAA7134_BOARD_BEHOLD_M63:
988 case SAA7134_BOARD_BEHOLD_M6_EXTRA:
989 case SAA7134_BOARD_BEHOLD_H6:
990 case SAA7134_BOARD_BEHOLD_X7:
991 case SAA7134_BOARD_BEHOLD_H7:
992 case SAA7134_BOARD_BEHOLD_A7:
993 dev->init_data.name = "BeholdTV";
994 dev->init_data.get_key = get_key_beholdm6xx;
995 dev->init_data.ir_codes = RC_MAP_BEHOLD;
996 dev->init_data.type = IR_TYPE_NEC;
999 case SAA7134_BOARD_AVERMEDIA_CARDBUS_501:
1000 case SAA7134_BOARD_AVERMEDIA_CARDBUS_506:
1003 case SAA7134_BOARD_FLYDVB_TRIO:
1004 dev->init_data.name = "FlyDVB Trio";
1005 dev->init_data.get_key = get_key_flydvb_trio;
1006 dev->init_data.ir_codes = RC_MAP_FLYDVB;
1010 dprintk("No I2C IR support for board %x\n", dev->board);
1014 if (dev->init_data.name)
1015 info.platform_data = &dev->init_data;
1016 i2c_new_device(&dev->i2c_adap, &info);
1019 static int saa7134_raw_decode_irq(struct saa7134_dev *dev)
1021 struct card_ir *ir = dev->remote;
1022 unsigned long timeout;
1025 /* Generate initial event */
1026 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
1027 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
1028 space = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & ir->mask_keydown;
1029 ir_raw_event_store_edge(dev->remote->dev, space ? IR_SPACE : IR_PULSE);
1033 * Wait 15 ms from the start of the first IR event before processing
1034 * the event. This time is enough for NEC protocol. May need adjustments
1035 * to work with other protocols.
1038 timeout = jiffies + jiffies_to_msecs(15);
1039 mod_timer(&ir->timer_end, timeout);
1046 static int saa7134_rc5_irq(struct saa7134_dev *dev)
1048 struct card_ir *ir = dev->remote;
1051 unsigned long current_jiffies, timeout;
1053 /* get time of bit */
1054 current_jiffies = jiffies;
1055 do_gettimeofday(&tv);
1057 /* avoid overflow with gap >1s */
1058 if (tv.tv_sec - ir->base_time.tv_sec > 1) {
1061 gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
1062 tv.tv_usec - ir->base_time.tv_usec;
1065 /* active code => add bit */
1067 /* only if in the code (otherwise spurious IRQ or timer
1069 if (ir->last_bit < 28) {
1070 ir->last_bit = (gap - ir_rc5_remote_gap / 2) /
1072 ir->code |= 1 << ir->last_bit;
1074 /* starting new code */
1081 timeout = current_jiffies + (500 + 30 * HZ) / 1000;
1082 mod_timer(&ir->timer_end, timeout);
1088 /* On NEC protocol, One has 2.25 ms, and zero has 1.125 ms
1089 The first pulse (start) has 9 + 4.5 ms
1092 static void saa7134_nec_timer(unsigned long data)
1094 struct saa7134_dev *dev = (struct saa7134_dev *) data;
1095 struct card_ir *ir = dev->remote;
1097 dprintk("Cancel key repeat\n");
1099 ir_input_nokey(ir->dev, &ir->ir);
1102 static void nec_task(unsigned long data)
1104 struct saa7134_dev *dev = (struct saa7134_dev *) data;
1107 int count, pulse, oldpulse, gap;
1108 u32 ircode = 0, not_code = 0;
1112 printk(KERN_ERR "saa713x/ir: Can't recover dev struct\n");
1113 /* GPIO will be kept disabled */
1119 /* rising SAA7134_GPIO_GPRESCAN reads the status */
1120 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
1121 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
1123 oldpulse = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & ir->mask_keydown;
1126 do_gettimeofday(&tv);
1129 /* Decode NEC pulsecode. This code can take up to 76.5 ms to run.
1130 Unfortunately, using IRQ to decode pulse didn't work, since it uses
1131 a pulse train of 38KHz. This means one pulse on each 52 us
1134 /* Wait until the end of pulse/space or 5 ms */
1135 for (count = 0; count < 500; count++) {
1137 /* rising SAA7134_GPIO_GPRESCAN reads the status */
1138 saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
1139 saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
1140 pulse = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2)
1142 if (pulse != oldpulse)
1146 do_gettimeofday(&tv);
1147 gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
1148 tv.tv_usec - ir->base_time.tv_usec;
1151 /* Bit 0 has 560 us, while bit 1 has 1120 us.
1152 Do something only if bit == 1
1154 if (ngap && (gap > 560 + 280)) {
1155 unsigned int shift = ngap - 1;
1157 /* Address first, then command */
1160 ircode |= 1 << shift;
1161 } else if (shift < 16) {
1162 not_code |= 1 << shift;
1163 } else if (shift < 24) {
1165 ircode |= 1 << shift;
1168 not_code |= 1 << shift;
1177 /* TIMEOUT - Long pulse */
1181 } while (ngap < 32);
1184 /* FIXME: should check if not_code == ~ircode */
1185 ir->code = ir_extract_bits(ircode, ir->mask_keycode);
1187 dprintk("scancode = 0x%02x (code = 0x%02x, notcode= 0x%02x)\n",
1188 ir->code, ircode, not_code);
1190 ir_input_keydown(ir->dev, &ir->ir, ir->code);
1192 dprintk("Repeat last key\n");
1194 /* Keep repeating the last key */
1195 mod_timer(&ir->timer_keyup, jiffies + msecs_to_jiffies(150));
1197 saa_setl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_P);
1200 static int saa7134_nec_irq(struct saa7134_dev *dev)
1202 struct card_ir *ir = dev->remote;
1204 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_P);
1205 tasklet_schedule(&ir->tlet);