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 dprintk("get_key_flydvb_trio: "
145 "gir->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 dprintk("get_key_msi_tvanywhere_plus: "
199 "gir->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_RM_JX
;
661 mask_keydown
= 0x0040000; /* Enable GPIO18 line on both edges */
662 mask_keyup
= 0x0040000;
663 mask_keycode
= 0xffff;
666 case SAA7134_BOARD_AVERMEDIA_777
:
667 case SAA7134_BOARD_AVERMEDIA_A16AR
:
668 ir_codes
= RC_MAP_AVERMEDIA
;
669 mask_keycode
= 0x02F200;
670 mask_keydown
= 0x000400;
672 /* Without this we won't receive key up events */
673 saa_setb(SAA7134_GPIO_GPMODE1
, 0x1);
674 saa_setb(SAA7134_GPIO_GPSTATUS1
, 0x1);
676 case SAA7134_BOARD_AVERMEDIA_A16D
:
677 ir_codes
= RC_MAP_AVERMEDIA_A16D
;
678 mask_keycode
= 0x02F200;
679 mask_keydown
= 0x000400;
680 polling
= 50; /* ms */
681 /* Without this we won't receive key up events */
682 saa_setb(SAA7134_GPIO_GPMODE1
, 0x1);
683 saa_setb(SAA7134_GPIO_GPSTATUS1
, 0x1);
685 case SAA7134_BOARD_KWORLD_TERMINATOR
:
686 ir_codes
= RC_MAP_PIXELVIEW
;
687 mask_keycode
= 0x00001f;
688 mask_keyup
= 0x000060;
691 case SAA7134_BOARD_MANLI_MTV001
:
692 case SAA7134_BOARD_MANLI_MTV002
:
693 ir_codes
= RC_MAP_MANLI
;
694 mask_keycode
= 0x001f00;
695 mask_keyup
= 0x004000;
696 polling
= 50; /* ms */
698 case SAA7134_BOARD_BEHOLD_409FM
:
699 case SAA7134_BOARD_BEHOLD_401
:
700 case SAA7134_BOARD_BEHOLD_403
:
701 case SAA7134_BOARD_BEHOLD_403FM
:
702 case SAA7134_BOARD_BEHOLD_405
:
703 case SAA7134_BOARD_BEHOLD_405FM
:
704 case SAA7134_BOARD_BEHOLD_407
:
705 case SAA7134_BOARD_BEHOLD_407FM
:
706 case SAA7134_BOARD_BEHOLD_409
:
707 case SAA7134_BOARD_BEHOLD_505FM
:
708 case SAA7134_BOARD_BEHOLD_505RDS_MK5
:
709 case SAA7134_BOARD_BEHOLD_505RDS_MK3
:
710 case SAA7134_BOARD_BEHOLD_507_9FM
:
711 case SAA7134_BOARD_BEHOLD_507RDS_MK3
:
712 case SAA7134_BOARD_BEHOLD_507RDS_MK5
:
713 ir_codes
= RC_MAP_MANLI
;
714 mask_keycode
= 0x003f00;
715 mask_keyup
= 0x004000;
716 polling
= 50; /* ms */
718 case SAA7134_BOARD_BEHOLD_COLUMBUS_TVFM
:
719 ir_codes
= RC_MAP_BEHOLD_COLUMBUS
;
720 mask_keycode
= 0x003f00;
721 mask_keyup
= 0x004000;
724 case SAA7134_BOARD_SEDNA_PC_TV_CARDBUS
:
725 ir_codes
= RC_MAP_PCTV_SEDNA
;
726 mask_keycode
= 0x001f00;
727 mask_keyup
= 0x004000;
730 case SAA7134_BOARD_GOTVIEW_7135
:
731 ir_codes
= RC_MAP_GOTVIEW7135
;
732 mask_keycode
= 0x0003CC;
733 mask_keydown
= 0x000010;
734 polling
= 5; /* ms */
735 saa_setb(SAA7134_GPIO_GPMODE1
, 0x80);
737 case SAA7134_BOARD_VIDEOMATE_TV_PVR
:
738 case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS
:
739 case SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII
:
740 ir_codes
= RC_MAP_VIDEOMATE_TV_PVR
;
741 mask_keycode
= 0x00003F;
742 mask_keyup
= 0x400000;
745 case SAA7134_BOARD_PROTEUS_2309
:
746 ir_codes
= RC_MAP_PROTEUS_2309
;
747 mask_keycode
= 0x00007F;
748 mask_keyup
= 0x000080;
751 case SAA7134_BOARD_VIDEOMATE_DVBT_300
:
752 case SAA7134_BOARD_VIDEOMATE_DVBT_200
:
753 ir_codes
= RC_MAP_VIDEOMATE_TV_PVR
;
754 mask_keycode
= 0x003F00;
755 mask_keyup
= 0x040000;
757 case SAA7134_BOARD_FLYDVBS_LR300
:
758 case SAA7134_BOARD_FLYDVBT_LR301
:
759 case SAA7134_BOARD_FLYDVBTDUO
:
760 ir_codes
= RC_MAP_FLYDVB
;
761 mask_keycode
= 0x0001F00;
762 mask_keydown
= 0x0040000;
764 case SAA7134_BOARD_ASUSTeK_P7131_DUAL
:
765 case SAA7134_BOARD_ASUSTeK_P7131_HYBRID_LNA
:
766 case SAA7134_BOARD_ASUSTeK_P7131_ANALOG
:
767 ir_codes
= RC_MAP_ASUS_PC39
;
768 mask_keydown
= 0x0040000;
771 case SAA7134_BOARD_ENCORE_ENLTV
:
772 case SAA7134_BOARD_ENCORE_ENLTV_FM
:
773 ir_codes
= RC_MAP_ENCORE_ENLTV
;
774 mask_keycode
= 0x00007f;
775 mask_keyup
= 0x040000;
778 case SAA7134_BOARD_ENCORE_ENLTV_FM53
:
779 ir_codes
= RC_MAP_ENCORE_ENLTV_FM53
;
780 mask_keydown
= 0x0040000;
781 mask_keycode
= 0x00007f;
784 case SAA7134_BOARD_10MOONSTVMASTER3
:
785 ir_codes
= RC_MAP_ENCORE_ENLTV
;
786 mask_keycode
= 0x5f80000;
787 mask_keyup
= 0x8000000;
790 case SAA7134_BOARD_GENIUS_TVGO_A11MCE
:
791 ir_codes
= RC_MAP_GENIUS_TVGO_A11MCE
;
793 mask_keydown
= 0xf00000;
794 polling
= 50; /* ms */
796 case SAA7134_BOARD_REAL_ANGEL_220
:
797 ir_codes
= RC_MAP_REAL_AUDIO_220_32_KEYS
;
798 mask_keycode
= 0x3f00;
800 polling
= 50; /* ms */
802 case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG
:
803 ir_codes
= RC_MAP_KWORLD_PLUS_TV_ANALOG
;
805 polling
= 40; /* ms */
807 case SAA7134_BOARD_VIDEOMATE_S350
:
808 ir_codes
= RC_MAP_VIDEOMATE_S350
;
809 mask_keycode
= 0x003f00;
810 mask_keydown
= 0x040000;
812 case SAA7134_BOARD_LEADTEK_WINFAST_DTV1000S
:
813 ir_codes
= RC_MAP_WINFAST
;
814 mask_keycode
= 0x5f00;
815 mask_keyup
= 0x020000;
816 polling
= 50; /* ms */
820 if (NULL
== ir_codes
) {
821 printk("%s: Oops: IR config error [card=%d]\n",
822 dev
->name
, dev
->board
);
826 ir
= kzalloc(sizeof(*ir
), GFP_KERNEL
);
827 input_dev
= input_allocate_device();
828 if (!ir
|| !input_dev
) {
838 /* init hardware-specific stuff */
839 ir
->mask_keycode
= mask_keycode
;
840 ir
->mask_keydown
= mask_keydown
;
841 ir
->mask_keyup
= mask_keyup
;
842 ir
->polling
= polling
;
843 ir
->rc5_gpio
= rc5_gpio
;
844 ir
->nec_gpio
= nec_gpio
;
845 ir
->raw_decode
= raw_decode
;
847 /* init input device */
848 snprintf(ir
->name
, sizeof(ir
->name
), "saa7134 IR (%s)",
849 saa7134_boards
[dev
->board
].name
);
850 snprintf(ir
->phys
, sizeof(ir
->phys
), "pci-%s/ir0",
854 ir
->props
.priv
= dev
;
855 ir
->props
.open
= saa7134_ir_open
;
856 ir
->props
.close
= saa7134_ir_close
;
858 if (!raw_decode
&& allow_protocol_change
) {
859 ir
->props
.allowed_protos
= IR_TYPE_RC5
| IR_TYPE_NEC
;
860 ir
->props
.change_protocol
= saa7134_ir_change_protocol
;
863 err
= ir_input_init(input_dev
, &ir
->ir
, ir_type
);
867 input_dev
->name
= ir
->name
;
868 input_dev
->phys
= ir
->phys
;
869 input_dev
->id
.bustype
= BUS_PCI
;
870 input_dev
->id
.version
= 1;
871 if (dev
->pci
->subsystem_vendor
) {
872 input_dev
->id
.vendor
= dev
->pci
->subsystem_vendor
;
873 input_dev
->id
.product
= dev
->pci
->subsystem_device
;
875 input_dev
->id
.vendor
= dev
->pci
->vendor
;
876 input_dev
->id
.product
= dev
->pci
->device
;
878 input_dev
->dev
.parent
= &dev
->pci
->dev
;
880 err
= ir_input_register(ir
->dev
, ir_codes
, &ir
->props
, MODULE_NAME
);
884 err
= ir_raw_event_register(ir
->dev
);
889 /* the remote isn't as bouncy as a keyboard */
890 ir
->dev
->rep
[REP_DELAY
] = repeat_delay
;
891 ir
->dev
->rep
[REP_PERIOD
] = repeat_period
;
901 void saa7134_input_fini(struct saa7134_dev
*dev
)
903 if (NULL
== dev
->remote
)
906 saa7134_ir_stop(dev
);
907 ir_raw_event_unregister(dev
->remote
->dev
);
908 ir_input_unregister(dev
->remote
->dev
);
913 void saa7134_probe_i2c_ir(struct saa7134_dev
*dev
)
915 struct i2c_board_info info
;
917 struct i2c_msg msg_msi
= {
927 dprintk("IR has been disabled, not probing for i2c remote\n");
931 memset(&info
, 0, sizeof(struct i2c_board_info
));
932 memset(&dev
->init_data
, 0, sizeof(dev
->init_data
));
933 strlcpy(info
.type
, "ir_video", I2C_NAME_SIZE
);
935 switch (dev
->board
) {
936 case SAA7134_BOARD_PINNACLE_PCTV_110i
:
937 case SAA7134_BOARD_PINNACLE_PCTV_310i
:
938 dev
->init_data
.name
= "Pinnacle PCTV";
939 if (pinnacle_remote
== 0) {
940 dev
->init_data
.get_key
= get_key_pinnacle_color
;
941 dev
->init_data
.ir_codes
= RC_MAP_PINNACLE_COLOR
;
944 dev
->init_data
.get_key
= get_key_pinnacle_grey
;
945 dev
->init_data
.ir_codes
= RC_MAP_PINNACLE_GREY
;
949 case SAA7134_BOARD_UPMOST_PURPLE_TV
:
950 dev
->init_data
.name
= "Purple TV";
951 dev
->init_data
.get_key
= get_key_purpletv
;
952 dev
->init_data
.ir_codes
= RC_MAP_PURPLETV
;
955 case SAA7134_BOARD_MSI_TVATANYWHERE_PLUS
:
956 dev
->init_data
.name
= "MSI TV@nywhere Plus";
957 dev
->init_data
.get_key
= get_key_msi_tvanywhere_plus
;
958 dev
->init_data
.ir_codes
= RC_MAP_MSI_TVANYWHERE_PLUS
;
960 /* MSI TV@nywhere Plus controller doesn't seem to
961 respond to probes unless we read something from
962 an existing device. Weird...
963 REVISIT: might no longer be needed */
964 rc
= i2c_transfer(&dev
->i2c_adap
, &msg_msi
, 1);
965 dprintk(KERN_DEBUG
"probe 0x%02x @ %s: %s\n",
966 msg_msi
.addr
, dev
->i2c_adap
.name
,
967 (1 == rc
) ? "yes" : "no");
969 case SAA7134_BOARD_HAUPPAUGE_HVR1110
:
970 dev
->init_data
.name
= "HVR 1110";
971 dev
->init_data
.get_key
= get_key_hvr1110
;
972 dev
->init_data
.ir_codes
= RC_MAP_HAUPPAUGE_NEW
;
975 case SAA7134_BOARD_BEHOLD_607FM_MK3
:
976 case SAA7134_BOARD_BEHOLD_607FM_MK5
:
977 case SAA7134_BOARD_BEHOLD_609FM_MK3
:
978 case SAA7134_BOARD_BEHOLD_609FM_MK5
:
979 case SAA7134_BOARD_BEHOLD_607RDS_MK3
:
980 case SAA7134_BOARD_BEHOLD_607RDS_MK5
:
981 case SAA7134_BOARD_BEHOLD_609RDS_MK3
:
982 case SAA7134_BOARD_BEHOLD_609RDS_MK5
:
983 case SAA7134_BOARD_BEHOLD_M6
:
984 case SAA7134_BOARD_BEHOLD_M63
:
985 case SAA7134_BOARD_BEHOLD_M6_EXTRA
:
986 case SAA7134_BOARD_BEHOLD_H6
:
987 case SAA7134_BOARD_BEHOLD_X7
:
988 dev
->init_data
.name
= "BeholdTV";
989 dev
->init_data
.get_key
= get_key_beholdm6xx
;
990 dev
->init_data
.ir_codes
= RC_MAP_BEHOLD
;
991 dev
->init_data
.type
= IR_TYPE_NEC
;
994 case SAA7134_BOARD_AVERMEDIA_CARDBUS_501
:
995 case SAA7134_BOARD_AVERMEDIA_CARDBUS_506
:
998 case SAA7134_BOARD_FLYDVB_TRIO
:
999 dev
->init_data
.name
= "FlyDVB Trio";
1000 dev
->init_data
.get_key
= get_key_flydvb_trio
;
1001 dev
->init_data
.ir_codes
= RC_MAP_FLYDVB
;
1005 dprintk("No I2C IR support for board %x\n", dev
->board
);
1009 if (dev
->init_data
.name
)
1010 info
.platform_data
= &dev
->init_data
;
1011 i2c_new_device(&dev
->i2c_adap
, &info
);
1014 static int saa7134_raw_decode_irq(struct saa7134_dev
*dev
)
1016 struct card_ir
*ir
= dev
->remote
;
1017 unsigned long timeout
;
1020 /* Generate initial event */
1021 saa_clearb(SAA7134_GPIO_GPMODE3
, SAA7134_GPIO_GPRESCAN
);
1022 saa_setb(SAA7134_GPIO_GPMODE3
, SAA7134_GPIO_GPRESCAN
);
1023 space
= saa_readl(SAA7134_GPIO_GPSTATUS0
>> 2) & ir
->mask_keydown
;
1024 ir_raw_event_store(dev
->remote
->dev
, space
? IR_SPACE
: IR_PULSE
);
1028 * Wait 15 ms from the start of the first IR event before processing
1029 * the event. This time is enough for NEC protocol. May need adjustments
1030 * to work with other protocols.
1033 timeout
= jiffies
+ jiffies_to_msecs(15);
1034 mod_timer(&ir
->timer_end
, timeout
);
1041 static int saa7134_rc5_irq(struct saa7134_dev
*dev
)
1043 struct card_ir
*ir
= dev
->remote
;
1046 unsigned long current_jiffies
, timeout
;
1048 /* get time of bit */
1049 current_jiffies
= jiffies
;
1050 do_gettimeofday(&tv
);
1052 /* avoid overflow with gap >1s */
1053 if (tv
.tv_sec
- ir
->base_time
.tv_sec
> 1) {
1056 gap
= 1000000 * (tv
.tv_sec
- ir
->base_time
.tv_sec
) +
1057 tv
.tv_usec
- ir
->base_time
.tv_usec
;
1060 /* active code => add bit */
1062 /* only if in the code (otherwise spurious IRQ or timer
1064 if (ir
->last_bit
< 28) {
1065 ir
->last_bit
= (gap
- ir_rc5_remote_gap
/ 2) /
1067 ir
->code
|= 1 << ir
->last_bit
;
1069 /* starting new code */
1076 timeout
= current_jiffies
+ (500 + 30 * HZ
) / 1000;
1077 mod_timer(&ir
->timer_end
, timeout
);
1083 /* On NEC protocol, One has 2.25 ms, and zero has 1.125 ms
1084 The first pulse (start) has 9 + 4.5 ms
1087 static void saa7134_nec_timer(unsigned long data
)
1089 struct saa7134_dev
*dev
= (struct saa7134_dev
*) data
;
1090 struct card_ir
*ir
= dev
->remote
;
1092 dprintk("Cancel key repeat\n");
1094 ir_input_nokey(ir
->dev
, &ir
->ir
);
1097 static void nec_task(unsigned long data
)
1099 struct saa7134_dev
*dev
= (struct saa7134_dev
*) data
;
1102 int count
, pulse
, oldpulse
, gap
;
1103 u32 ircode
= 0, not_code
= 0;
1107 printk(KERN_ERR
"saa713x/ir: Can't recover dev struct\n");
1108 /* GPIO will be kept disabled */
1114 /* rising SAA7134_GPIO_GPRESCAN reads the status */
1115 saa_clearb(SAA7134_GPIO_GPMODE3
, SAA7134_GPIO_GPRESCAN
);
1116 saa_setb(SAA7134_GPIO_GPMODE3
, SAA7134_GPIO_GPRESCAN
);
1118 oldpulse
= saa_readl(SAA7134_GPIO_GPSTATUS0
>> 2) & ir
->mask_keydown
;
1121 do_gettimeofday(&tv
);
1124 /* Decode NEC pulsecode. This code can take up to 76.5 ms to run.
1125 Unfortunately, using IRQ to decode pulse didn't work, since it uses
1126 a pulse train of 38KHz. This means one pulse on each 52 us
1129 /* Wait until the end of pulse/space or 5 ms */
1130 for (count
= 0; count
< 500; count
++) {
1132 /* rising SAA7134_GPIO_GPRESCAN reads the status */
1133 saa_clearb(SAA7134_GPIO_GPMODE3
, SAA7134_GPIO_GPRESCAN
);
1134 saa_setb(SAA7134_GPIO_GPMODE3
, SAA7134_GPIO_GPRESCAN
);
1135 pulse
= saa_readl(SAA7134_GPIO_GPSTATUS0
>> 2)
1137 if (pulse
!= oldpulse
)
1141 do_gettimeofday(&tv
);
1142 gap
= 1000000 * (tv
.tv_sec
- ir
->base_time
.tv_sec
) +
1143 tv
.tv_usec
- ir
->base_time
.tv_usec
;
1146 /* Bit 0 has 560 us, while bit 1 has 1120 us.
1147 Do something only if bit == 1
1149 if (ngap
&& (gap
> 560 + 280)) {
1150 unsigned int shift
= ngap
- 1;
1152 /* Address first, then command */
1155 ircode
|= 1 << shift
;
1156 } else if (shift
< 16) {
1157 not_code
|= 1 << shift
;
1158 } else if (shift
< 24) {
1160 ircode
|= 1 << shift
;
1163 not_code
|= 1 << shift
;
1172 /* TIMEOUT - Long pulse */
1176 } while (ngap
< 32);
1179 /* FIXME: should check if not_code == ~ircode */
1180 ir
->code
= ir_extract_bits(ircode
, ir
->mask_keycode
);
1182 dprintk("scancode = 0x%02x (code = 0x%02x, notcode= 0x%02x)\n",
1183 ir
->code
, ircode
, not_code
);
1185 ir_input_keydown(ir
->dev
, &ir
->ir
, ir
->code
);
1187 dprintk("Repeat last key\n");
1189 /* Keep repeating the last key */
1190 mod_timer(&ir
->timer_keyup
, jiffies
+ msecs_to_jiffies(150));
1192 saa_setl(SAA7134_IRQ2
, SAA7134_IRQ2_INTE_GPIO18_P
);
1195 static int saa7134_nec_irq(struct saa7134_dev
*dev
)
1197 struct card_ir
*ir
= dev
->remote
;
1199 saa_clearl(SAA7134_IRQ2
, SAA7134_IRQ2_INTE_GPIO18_P
);
1200 tasklet_schedule(&ir
->tlet
);