2 * handle saa7134 IR remotes via linux kernel input layer.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 #include <linux/module.h>
21 #include <linux/init.h>
22 #include <linux/delay.h>
23 #include <linux/sched.h>
24 #include <linux/interrupt.h>
25 #include <linux/input.h>
27 #include "saa7134-reg.h"
30 static unsigned int disable_ir
= 0;
31 MODULE_PARM(disable_ir
,"i");
32 MODULE_PARM_DESC(disable_ir
,"disable infrared remote support");
34 static unsigned int ir_debug
= 0;
35 MODULE_PARM(ir_debug
,"i");
36 MODULE_PARM_DESC(ir_debug
,"enable debug messages [IR]");
38 #define dprintk(fmt, arg...) if (ir_debug) \
39 printk(KERN_DEBUG "%s/ir: " fmt, dev->name , ## arg)
41 /* ---------------------------------------------------------------------- */
43 static IR_KEYTAB_TYPE flyvideo_codes
[IR_KEYTAB_SIZE
] = {
55 [ 14 ] = KEY_TUNER
, // Air/Cable
56 [ 17 ] = KEY_VIDEO
, // Video
57 [ 21 ] = KEY_AUDIO
, // Audio
58 [ 0 ] = KEY_POWER
, // Pover
59 [ 2 ] = KEY_ZOOM
, // Fullscreen
60 [ 27 ] = KEY_MUTE
, // Mute
61 [ 20 ] = KEY_VOLUMEUP
,
62 [ 23 ] = KEY_VOLUMEDOWN
,
63 [ 18 ] = KEY_CHANNELUP
, // Channel +
64 [ 19 ] = KEY_CHANNELDOWN
, // Channel -
65 [ 6 ] = KEY_AGAIN
, // Recal
66 [ 16 ] = KEY_KPENTER
, // Enter
69 [ 26 ] = KEY_F22
, // Stereo
70 [ 24 ] = KEY_EDIT
, // AV Source
74 static IR_KEYTAB_TYPE cinergy_codes
[IR_KEYTAB_SIZE
] = {
87 [ 0x0b ] = KEY_PROG1
, // app
88 [ 0x0c ] = KEY_ZOOM
, // zoom/fullscreen
89 [ 0x0d ] = KEY_CHANNELUP
, // channel
90 [ 0x0e ] = KEY_CHANNELDOWN
, // channel-
91 [ 0x0f ] = KEY_VOLUMEUP
,
92 [ 0x10 ] = KEY_VOLUMEDOWN
,
93 [ 0x11 ] = KEY_TUNER
, // AV
94 [ 0x12 ] = KEY_NUMLOCK
, // -/--
95 [ 0x13 ] = KEY_AUDIO
, // audio
100 [ 0x18 ] = KEY_RIGHT
,
102 [ 0x1a ] = BTN_RIGHT
,
103 [ 0x1b ] = KEY_WWW
, // text
104 [ 0x1c ] = KEY_REWIND
,
105 [ 0x1d ] = KEY_FORWARD
,
106 [ 0x1e ] = KEY_RECORD
,
108 [ 0x20 ] = KEY_PREVIOUSSONG
,
109 [ 0x21 ] = KEY_NEXTSONG
,
110 [ 0x22 ] = KEY_PAUSE
,
114 /* Alfons Geser <a.geser@cox.net>
115 * updates from Job D. R. Borges <jobdrb@ig.com.br> */
116 static IR_KEYTAB_TYPE eztv_codes
[IR_KEYTAB_SIZE
] = {
118 [ 1 ] = KEY_TV
, // DVR
119 [ 21 ] = KEY_DVD
, // DVD
120 [ 23 ] = KEY_AUDIO
, // music
121 // DVR mode / DVD mode / music mode
123 [ 27 ] = KEY_MUTE
, // mute
124 [ 2 ] = KEY_LANGUAGE
, // MTS/SAP / audio / autoseek
125 [ 30 ] = KEY_SUBTITLE
, // closed captioning / subtitle / seek
126 [ 22 ] = KEY_ZOOM
, // full screen
127 [ 28 ] = KEY_VIDEO
, // video source / eject / delall
128 [ 29 ] = KEY_RESTART
, // playback / angle / del
129 [ 47 ] = KEY_SEARCH
, // scan / menu / playlist
130 [ 48 ] = KEY_CHANNEL
, // CH surfing / bookmark / memo
132 [ 49 ] = KEY_HELP
, // help
133 [ 50 ] = KEY_MODE
, // num/memo
134 [ 51 ] = KEY_ESC
, // cancel
136 [ 12 ] = KEY_UP
, // up
137 [ 16 ] = KEY_DOWN
, // down
138 [ 8 ] = KEY_LEFT
, // left
139 [ 4 ] = KEY_RIGHT
, // right
140 [ 3 ] = KEY_SELECT
, // select
142 [ 31 ] = KEY_REWIND
, // rewind
143 [ 32 ] = KEY_PLAYPAUSE
, // play/pause
144 [ 41 ] = KEY_FORWARD
, // forward
145 [ 20 ] = KEY_AGAIN
, // repeat
146 [ 43 ] = KEY_RECORD
, // recording
147 [ 44 ] = KEY_STOP
, // stop
148 [ 45 ] = KEY_PLAY
, // play
149 [ 46 ] = KEY_SHUFFLE
, // snapshot / shuffle
162 [ 42 ] = KEY_VOLUMEUP
,
163 [ 17 ] = KEY_VOLUMEDOWN
,
164 [ 24 ] = KEY_CHANNELUP
, // CH.tracking up
165 [ 25 ] = KEY_CHANNELDOWN
, // CH.tracking down
167 [ 19 ] = KEY_KPENTER
, // enter
168 [ 33 ] = KEY_KPDOT
, // . (decimal dot)
171 static IR_KEYTAB_TYPE avacssmart_codes
[IR_KEYTAB_SIZE
] = {
172 [ 30 ] = KEY_POWER
, // power
173 [ 28 ] = KEY_SEARCH
, // scan
174 [ 7 ] = KEY_SELECT
, // source
176 [ 22 ] = KEY_VOLUMEUP
,
177 [ 20 ] = KEY_VOLUMEDOWN
,
178 [ 31 ] = KEY_CHANNELUP
,
179 [ 23 ] = KEY_CHANNELDOWN
,
194 [ 3 ] = KEY_TUNER
, // tv/fm
195 [ 4 ] = KEY_REWIND
, // fm tuning left or function left
196 [ 12 ] = KEY_FORWARD
, // fm tuning right or function right
203 [ 14 ] = KEY_MENU
, // function
204 [ 19 ] = KEY_AGAIN
, // recall
205 [ 29 ] = KEY_RESTART
, // reset
208 [ 13 ] = KEY_F21
, // mts
209 [ 15 ] = KEY_F22
, // min
210 [ 26 ] = KEY_F23
, // freeze
212 /* ---------------------------------------------------------------------- */
214 static int build_key(struct saa7134_dev
*dev
)
216 struct saa7134_ir
*ir
= dev
->remote
;
219 /* rising SAA7134_GPIO_GPRESCAN reads the status */
220 saa_clearb(SAA7134_GPIO_GPMODE3
,SAA7134_GPIO_GPRESCAN
);
221 saa_setb(SAA7134_GPIO_GPMODE3
,SAA7134_GPIO_GPRESCAN
);
223 gpio
= saa_readl(SAA7134_GPIO_GPSTATUS0
>> 2);
225 if (ir
->last_gpio
== gpio
)
227 ir
->last_gpio
= gpio
;
230 data
= ir_extract_bits(gpio
, ir
->mask_keycode
);
231 dprintk("build_key gpio=0x%x mask=0x%x data=%d\n",
232 gpio
, ir
->mask_keycode
, data
);
234 if ((ir
->mask_keydown
&& (0 != (gpio
& ir
->mask_keydown
))) ||
235 (ir
->mask_keyup
&& (0 == (gpio
& ir
->mask_keyup
)))) {
236 ir_input_keydown(&ir
->dev
,&ir
->ir
,data
,data
);
238 ir_input_nokey(&ir
->dev
,&ir
->ir
);
243 /* ---------------------------------------------------------------------- */
245 void saa7134_input_irq(struct saa7134_dev
*dev
)
247 struct saa7134_ir
*ir
= dev
->remote
;
253 static void saa7134_input_timer(unsigned long data
)
255 struct saa7134_dev
*dev
= (struct saa7134_dev
*)data
;
256 struct saa7134_ir
*ir
= dev
->remote
;
257 unsigned long timeout
;
260 timeout
= jiffies
+ (ir
->polling
* HZ
/ 1000);
261 mod_timer(&ir
->timer
, timeout
);
264 int saa7134_input_init1(struct saa7134_dev
*dev
)
266 struct saa7134_ir
*ir
;
267 IR_KEYTAB_TYPE
*ir_codes
= NULL
;
268 u32 mask_keycode
= 0;
269 u32 mask_keydown
= 0;
272 int ir_type
= IR_TYPE_OTHER
;
274 if (!dev
->has_remote
)
279 /* detect & configure */
280 switch (dev
->board
) {
281 case SAA7134_BOARD_FLYVIDEO2000
:
282 case SAA7134_BOARD_FLYVIDEO3000
:
283 ir_codes
= flyvideo_codes
;
284 mask_keycode
= 0xEC00000;
285 mask_keydown
= 0x0040000;
287 case SAA7134_BOARD_CINERGY400
:
288 case SAA7134_BOARD_CINERGY600
:
289 ir_codes
= cinergy_codes
;
290 mask_keycode
= 0x00003f;
291 mask_keyup
= 0x040000;
293 case SAA7134_BOARD_ECS_TVP3XP
:
294 case SAA7134_BOARD_ECS_TVP3XP_4CB5
:
295 ir_codes
= eztv_codes
;
296 mask_keycode
= 0x00017c;
297 mask_keyup
= 0x000002;
300 case SAA7134_BOARD_AVACSSMARTTV
:
301 ir_codes
= avacssmart_codes
;
302 mask_keycode
= 0x00001F;
303 mask_keyup
= 0x000020;
307 if (NULL
== ir_codes
) {
308 printk("%s: Oops: IR config error [card=%d]\n",
309 dev
->name
, dev
->board
);
313 ir
= kmalloc(sizeof(*ir
),GFP_KERNEL
);
316 memset(ir
,0,sizeof(*ir
));
318 /* init hardware-specific stuff */
319 ir
->mask_keycode
= mask_keycode
;
320 ir
->mask_keydown
= mask_keydown
;
321 ir
->mask_keyup
= mask_keyup
;
322 ir
->polling
= polling
;
324 /* init input device */
325 snprintf(ir
->name
, sizeof(ir
->name
), "saa7134 IR (%s)",
326 saa7134_boards
[dev
->board
].name
);
327 snprintf(ir
->phys
, sizeof(ir
->phys
), "pci-%s/ir0",
330 ir_input_init(&ir
->dev
, &ir
->ir
, ir_type
, ir_codes
);
331 ir
->dev
.name
= ir
->name
;
332 ir
->dev
.phys
= ir
->phys
;
333 ir
->dev
.id
.bustype
= BUS_PCI
;
334 ir
->dev
.id
.version
= 1;
335 if (dev
->pci
->subsystem_vendor
) {
336 ir
->dev
.id
.vendor
= dev
->pci
->subsystem_vendor
;
337 ir
->dev
.id
.product
= dev
->pci
->subsystem_device
;
339 ir
->dev
.id
.vendor
= dev
->pci
->vendor
;
340 ir
->dev
.id
.product
= dev
->pci
->device
;
346 init_timer(&ir
->timer
);
347 ir
->timer
.function
= saa7134_input_timer
;
348 ir
->timer
.data
= (unsigned long)dev
;
349 ir
->timer
.expires
= jiffies
+ HZ
;
350 add_timer(&ir
->timer
);
353 input_register_device(&dev
->remote
->dev
);
354 printk("%s: registered input device for IR\n",dev
->name
);
358 void saa7134_input_fini(struct saa7134_dev
*dev
)
360 if (NULL
== dev
->remote
)
363 input_unregister_device(&dev
->remote
->dev
);
364 if (dev
->remote
->polling
)
365 del_timer_sync(&dev
->remote
->timer
);
370 /* ----------------------------------------------------------------------