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/moduleparam.h>
23 #include <linux/init.h>
24 #include <linux/delay.h>
25 #include <linux/sched.h>
26 #include <linux/interrupt.h>
27 #include <linux/input.h>
29 #include "saa7134-reg.h"
32 static unsigned int disable_ir
= 0;
33 module_param(disable_ir
, int, 0444);
34 MODULE_PARM_DESC(disable_ir
,"disable infrared remote support");
36 static unsigned int ir_debug
= 0;
37 module_param(ir_debug
, int, 0644);
38 MODULE_PARM_DESC(ir_debug
,"enable debug messages [IR]");
40 static int pinnacle_remote
= 0;
41 module_param(pinnacle_remote
, int, 0644); /* Choose Pinnacle PCTV remote */
42 MODULE_PARM_DESC(pinnacle_remote
, "Specify Pinnacle PCTV remote: 0=coloured, 1=grey (defaults to 0)");
44 #define dprintk(fmt, arg...) if (ir_debug) \
45 printk(KERN_DEBUG "%s/ir: " fmt, dev->name , ## arg)
46 #define i2cdprintk(fmt, arg...) if (ir_debug) \
47 printk(KERN_DEBUG "%s/ir: " fmt, ir->c.name , ## arg)
49 /* -------------------- GPIO generic keycode builder -------------------- */
51 static int build_key(struct saa7134_dev
*dev
)
53 struct saa7134_ir
*ir
= dev
->remote
;
56 /* rising SAA7134_GPIO_GPRESCAN reads the status */
57 saa_clearb(SAA7134_GPIO_GPMODE3
,SAA7134_GPIO_GPRESCAN
);
58 saa_setb(SAA7134_GPIO_GPMODE3
,SAA7134_GPIO_GPRESCAN
);
60 gpio
= saa_readl(SAA7134_GPIO_GPSTATUS0
>> 2);
62 if (ir
->last_gpio
== gpio
)
67 data
= ir_extract_bits(gpio
, ir
->mask_keycode
);
68 dprintk("build_key gpio=0x%x mask=0x%x data=%d\n",
69 gpio
, ir
->mask_keycode
, data
);
72 if ((ir
->mask_keydown
&& (0 != (gpio
& ir
->mask_keydown
))) ||
73 (ir
->mask_keyup
&& (0 == (gpio
& ir
->mask_keyup
)))) {
74 ir_input_keydown(ir
->dev
, &ir
->ir
, data
, data
);
76 ir_input_nokey(ir
->dev
, &ir
->ir
);
79 else { /* IRQ driven mode - handle key press and release in one go */
80 if ((ir
->mask_keydown
&& (0 != (gpio
& ir
->mask_keydown
))) ||
81 (ir
->mask_keyup
&& (0 == (gpio
& ir
->mask_keyup
)))) {
82 ir_input_keydown(ir
->dev
, &ir
->ir
, data
, data
);
83 ir_input_nokey(ir
->dev
, &ir
->ir
);
90 /* --------------------- Chip specific I2C key builders ----------------- */
92 static int get_key_purpletv(struct IR_i2c
*ir
, u32
*ir_key
, u32
*ir_raw
)
97 if (1 != i2c_master_recv(&ir
->c
,&b
,1)) {
98 i2cdprintk("read error\n");
102 /* no button press */
115 void saa7134_input_irq(struct saa7134_dev
*dev
)
117 struct saa7134_ir
*ir
= dev
->remote
;
123 static void saa7134_input_timer(unsigned long data
)
125 struct saa7134_dev
*dev
= (struct saa7134_dev
*)data
;
126 struct saa7134_ir
*ir
= dev
->remote
;
127 unsigned long timeout
;
130 timeout
= jiffies
+ (ir
->polling
* HZ
/ 1000);
131 mod_timer(&ir
->timer
, timeout
);
134 static void saa7134_ir_start(struct saa7134_dev
*dev
, struct saa7134_ir
*ir
)
137 init_timer(&ir
->timer
);
138 ir
->timer
.function
= saa7134_input_timer
;
139 ir
->timer
.data
= (unsigned long)dev
;
140 ir
->timer
.expires
= jiffies
+ HZ
;
141 add_timer(&ir
->timer
);
145 static void saa7134_ir_stop(struct saa7134_dev
*dev
)
147 if (dev
->remote
->polling
)
148 del_timer_sync(&dev
->remote
->timer
);
151 int saa7134_input_init1(struct saa7134_dev
*dev
)
153 struct saa7134_ir
*ir
;
154 struct input_dev
*input_dev
;
155 IR_KEYTAB_TYPE
*ir_codes
= NULL
;
156 u32 mask_keycode
= 0;
157 u32 mask_keydown
= 0;
160 int ir_type
= IR_TYPE_OTHER
;
163 if (dev
->has_remote
!= SAA7134_REMOTE_GPIO
)
168 /* detect & configure */
169 switch (dev
->board
) {
170 case SAA7134_BOARD_FLYVIDEO2000
:
171 case SAA7134_BOARD_FLYVIDEO3000
:
172 case SAA7134_BOARD_FLYTVPLATINUM_FM
:
173 case SAA7134_BOARD_FLYTVPLATINUM_MINI2
:
174 ir_codes
= ir_codes_flyvideo
;
175 mask_keycode
= 0xEC00000;
176 mask_keydown
= 0x0040000;
178 case SAA7134_BOARD_CINERGY400
:
179 case SAA7134_BOARD_CINERGY600
:
180 case SAA7134_BOARD_CINERGY600_MK3
:
181 ir_codes
= ir_codes_cinergy
;
182 mask_keycode
= 0x00003f;
183 mask_keyup
= 0x040000;
185 case SAA7134_BOARD_ECS_TVP3XP
:
186 case SAA7134_BOARD_ECS_TVP3XP_4CB5
:
187 ir_codes
= ir_codes_eztv
;
188 mask_keycode
= 0x00017c;
189 mask_keyup
= 0x000002;
192 case SAA7134_BOARD_KWORLD_XPERT
:
193 case SAA7134_BOARD_AVACSSMARTTV
:
194 ir_codes
= ir_codes_pixelview
;
195 mask_keycode
= 0x00001F;
196 mask_keyup
= 0x000020;
199 case SAA7134_BOARD_MD2819
:
200 case SAA7134_BOARD_KWORLD_VSTREAM_XPERT
:
201 case SAA7134_BOARD_AVERMEDIA_305
:
202 case SAA7134_BOARD_AVERMEDIA_307
:
203 case SAA7134_BOARD_AVERMEDIA_STUDIO_305
:
204 case SAA7134_BOARD_AVERMEDIA_STUDIO_307
:
205 case SAA7134_BOARD_AVERMEDIA_STUDIO_507
:
206 case SAA7134_BOARD_AVERMEDIA_GO_007_FM
:
207 ir_codes
= ir_codes_avermedia
;
208 mask_keycode
= 0x0007C8;
209 mask_keydown
= 0x000010;
211 /* Set GPIO pin2 to high to enable the IR controller */
212 saa_setb(SAA7134_GPIO_GPMODE0
, 0x4);
213 saa_setb(SAA7134_GPIO_GPSTATUS0
, 0x4);
215 case SAA7134_BOARD_AVERMEDIA_777
:
216 case SAA7134_BOARD_AVERMEDIA_A16AR
:
217 ir_codes
= ir_codes_avermedia
;
218 mask_keycode
= 0x02F200;
219 mask_keydown
= 0x000400;
221 /* Without this we won't receive key up events */
222 saa_setb(SAA7134_GPIO_GPMODE1
, 0x1);
223 saa_setb(SAA7134_GPIO_GPSTATUS1
, 0x1);
225 case SAA7134_BOARD_KWORLD_TERMINATOR
:
226 ir_codes
= ir_codes_pixelview
;
227 mask_keycode
= 0x00001f;
228 mask_keyup
= 0x000060;
231 case SAA7134_BOARD_MANLI_MTV001
:
232 case SAA7134_BOARD_MANLI_MTV002
:
233 case SAA7134_BOARD_BEHOLD_409FM
:
234 ir_codes
= ir_codes_manli
;
235 mask_keycode
= 0x001f00;
236 mask_keyup
= 0x004000;
239 case SAA7134_BOARD_SEDNA_PC_TV_CARDBUS
:
240 ir_codes
= ir_codes_pctv_sedna
;
241 mask_keycode
= 0x001f00;
242 mask_keyup
= 0x004000;
245 case SAA7134_BOARD_GOTVIEW_7135
:
246 ir_codes
= ir_codes_gotview7135
;
247 mask_keycode
= 0x0003EC;
248 mask_keyup
= 0x008000;
249 mask_keydown
= 0x000010;
252 case SAA7134_BOARD_VIDEOMATE_TV_PVR
:
253 case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS
:
254 case SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII
:
255 ir_codes
= ir_codes_videomate_tv_pvr
;
256 mask_keycode
= 0x00003F;
257 mask_keyup
= 0x400000;
260 case SAA7134_BOARD_PROTEUS_2309
:
261 ir_codes
= ir_codes_proteus_2309
;
262 mask_keycode
= 0x00007F;
263 mask_keyup
= 0x000080;
266 case SAA7134_BOARD_VIDEOMATE_DVBT_300
:
267 case SAA7134_BOARD_VIDEOMATE_DVBT_200
:
268 ir_codes
= ir_codes_videomate_tv_pvr
;
269 mask_keycode
= 0x003F00;
270 mask_keyup
= 0x040000;
272 case SAA7134_BOARD_FLYDVBT_LR301
:
273 case SAA7134_BOARD_FLYDVBTDUO
:
274 ir_codes
= ir_codes_flydvb
;
275 mask_keycode
= 0x0001F00;
276 mask_keydown
= 0x0040000;
279 if (NULL
== ir_codes
) {
280 printk("%s: Oops: IR config error [card=%d]\n",
281 dev
->name
, dev
->board
);
285 ir
= kzalloc(sizeof(*ir
), GFP_KERNEL
);
286 input_dev
= input_allocate_device();
287 if (!ir
|| !input_dev
) {
294 /* init hardware-specific stuff */
295 ir
->mask_keycode
= mask_keycode
;
296 ir
->mask_keydown
= mask_keydown
;
297 ir
->mask_keyup
= mask_keyup
;
298 ir
->polling
= polling
;
300 /* init input device */
301 snprintf(ir
->name
, sizeof(ir
->name
), "saa7134 IR (%s)",
302 saa7134_boards
[dev
->board
].name
);
303 snprintf(ir
->phys
, sizeof(ir
->phys
), "pci-%s/ir0",
306 ir_input_init(input_dev
, &ir
->ir
, ir_type
, ir_codes
);
307 input_dev
->name
= ir
->name
;
308 input_dev
->phys
= ir
->phys
;
309 input_dev
->id
.bustype
= BUS_PCI
;
310 input_dev
->id
.version
= 1;
311 if (dev
->pci
->subsystem_vendor
) {
312 input_dev
->id
.vendor
= dev
->pci
->subsystem_vendor
;
313 input_dev
->id
.product
= dev
->pci
->subsystem_device
;
315 input_dev
->id
.vendor
= dev
->pci
->vendor
;
316 input_dev
->id
.product
= dev
->pci
->device
;
318 input_dev
->cdev
.dev
= &dev
->pci
->dev
;
321 saa7134_ir_start(dev
, ir
);
323 err
= input_register_device(ir
->dev
);
330 saa7134_ir_stop(dev
);
333 input_free_device(input_dev
);
338 void saa7134_input_fini(struct saa7134_dev
*dev
)
340 if (NULL
== dev
->remote
)
343 saa7134_ir_stop(dev
);
344 input_unregister_device(dev
->remote
->dev
);
349 void saa7134_set_i2c_ir(struct saa7134_dev
*dev
, struct IR_i2c
*ir
)
352 dprintk("Found supported i2c remote, but IR has been disabled\n");
357 switch (dev
->board
) {
358 case SAA7134_BOARD_PINNACLE_PCTV_110i
:
359 case SAA7134_BOARD_PINNACLE_PCTV_310i
:
360 snprintf(ir
->c
.name
, sizeof(ir
->c
.name
), "Pinnacle PCTV");
361 if (pinnacle_remote
== 0) {
362 ir
->get_key
= get_key_pinnacle_color
;
363 ir
->ir_codes
= ir_codes_pinnacle_color
;
365 ir
->get_key
= get_key_pinnacle_grey
;
366 ir
->ir_codes
= ir_codes_pinnacle_grey
;
369 case SAA7134_BOARD_UPMOST_PURPLE_TV
:
370 snprintf(ir
->c
.name
, sizeof(ir
->c
.name
), "Purple TV");
371 ir
->get_key
= get_key_purpletv
;
372 ir
->ir_codes
= ir_codes_purpletv
;
375 dprintk("Shouldn't get here: Unknown board %x for I2C IR?\n",dev
->board
);
380 /* ----------------------------------------------------------------------