Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
1da177e4 LT |
2 | * |
3 | * handle saa7134 IR remotes via linux kernel input layer. | |
4 | * | |
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. | |
9 | * | |
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. | |
14 | * | |
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 | |
18 | * | |
19 | */ | |
20 | ||
21 | #include <linux/module.h> | |
1da177e4 LT |
22 | #include <linux/init.h> |
23 | #include <linux/delay.h> | |
1da177e4 LT |
24 | #include <linux/interrupt.h> |
25 | #include <linux/input.h> | |
5a0e3ad6 | 26 | #include <linux/slab.h> |
1da177e4 LT |
27 | |
28 | #include "saa7134-reg.h" | |
29 | #include "saa7134.h" | |
30 | ||
ff699e6b | 31 | static unsigned int disable_ir; |
1da177e4 LT |
32 | module_param(disable_ir, int, 0444); |
33 | MODULE_PARM_DESC(disable_ir,"disable infrared remote support"); | |
34 | ||
ff699e6b | 35 | static unsigned int ir_debug; |
1da177e4 LT |
36 | module_param(ir_debug, int, 0644); |
37 | MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]"); | |
38 | ||
ff699e6b | 39 | static int pinnacle_remote; |
b93eedb6 SP |
40 | module_param(pinnacle_remote, int, 0644); /* Choose Pinnacle PCTV remote */ |
41 | MODULE_PARM_DESC(pinnacle_remote, "Specify Pinnacle PCTV remote: 0=coloured, 1=grey (defaults to 0)"); | |
42 | ||
c408a6f6 | 43 | static int ir_rc5_remote_gap = 885; |
9160723e | 44 | module_param(ir_rc5_remote_gap, int, 0644); |
c408a6f6 | 45 | static int ir_rc5_key_timeout = 115; |
9160723e HP |
46 | module_param(ir_rc5_key_timeout, int, 0644); |
47 | ||
0938e319 P |
48 | static int repeat_delay = 500; |
49 | module_param(repeat_delay, int, 0644); | |
50 | MODULE_PARM_DESC(repeat_delay, "delay before key repeat started"); | |
51 | static int repeat_period = 33; | |
52 | module_param(repeat_period, int, 0644); | |
ac9bb7f5 | 53 | MODULE_PARM_DESC(repeat_period, "repeat period between " |
0938e319 P |
54 | "keypresses when key is down"); |
55 | ||
e8018c9e AMT |
56 | static unsigned int disable_other_ir; |
57 | module_param(disable_other_ir, int, 0644); | |
58 | MODULE_PARM_DESC(disable_other_ir, "disable full codes of " | |
59 | "alternative remotes from other manufacturers"); | |
60 | ||
1da177e4 LT |
61 | #define dprintk(fmt, arg...) if (ir_debug) \ |
62 | printk(KERN_DEBUG "%s/ir: " fmt, dev->name , ## arg) | |
ac9cd976 | 63 | #define i2cdprintk(fmt, arg...) if (ir_debug) \ |
1df8e986 | 64 | printk(KERN_DEBUG "%s/ir: " fmt, ir->name , ## arg) |
1da177e4 | 65 | |
622ecb30 | 66 | /* Helper functions for RC5 and NEC decoding at GPIO16 or GPIO18 */ |
9160723e | 67 | static int saa7134_rc5_irq(struct saa7134_dev *dev); |
622ecb30 MCC |
68 | static int saa7134_nec_irq(struct saa7134_dev *dev); |
69 | static void nec_task(unsigned long data); | |
70 | static void saa7134_nec_timer(unsigned long data); | |
9160723e | 71 | |
ac9cd976 | 72 | /* -------------------- GPIO generic keycode builder -------------------- */ |
1da177e4 LT |
73 | |
74 | static int build_key(struct saa7134_dev *dev) | |
75 | { | |
9160723e | 76 | struct card_ir *ir = dev->remote; |
1da177e4 LT |
77 | u32 gpio, data; |
78 | ||
0938e319 P |
79 | /* here comes the additional handshake steps for some cards */ |
80 | switch (dev->board) { | |
81 | case SAA7134_BOARD_GOTVIEW_7135: | |
82 | saa_setb(SAA7134_GPIO_GPSTATUS1, 0x80); | |
83 | saa_clearb(SAA7134_GPIO_GPSTATUS1, 0x80); | |
84 | break; | |
85 | } | |
1da177e4 LT |
86 | /* rising SAA7134_GPIO_GPRESCAN reads the status */ |
87 | saa_clearb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN); | |
88 | saa_setb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN); | |
89 | ||
90 | gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2); | |
4ac97914 MCC |
91 | if (ir->polling) { |
92 | if (ir->last_gpio == gpio) | |
93 | return 0; | |
94 | ir->last_gpio = gpio; | |
95 | } | |
1da177e4 | 96 | |
4ac97914 | 97 | data = ir_extract_bits(gpio, ir->mask_keycode); |
1da177e4 LT |
98 | dprintk("build_key gpio=0x%x mask=0x%x data=%d\n", |
99 | gpio, ir->mask_keycode, data); | |
100 | ||
26d5f3a3 MCC |
101 | switch (dev->board) { |
102 | case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG: | |
103 | if (data == ir->mask_keycode) | |
104 | ir_input_nokey(ir->dev, &ir->ir); | |
105 | else | |
8573b74a | 106 | ir_input_keydown(ir->dev, &ir->ir, data); |
26d5f3a3 MCC |
107 | return 0; |
108 | } | |
109 | ||
0602fbb2 PM |
110 | if (ir->polling) { |
111 | if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) || | |
112 | (ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) { | |
8573b74a | 113 | ir_input_keydown(ir->dev, &ir->ir, data); |
0602fbb2 PM |
114 | } else { |
115 | ir_input_nokey(ir->dev, &ir->ir); | |
116 | } | |
1da177e4 | 117 | } |
0602fbb2 PM |
118 | else { /* IRQ driven mode - handle key press and release in one go */ |
119 | if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) || | |
120 | (ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) { | |
8573b74a | 121 | ir_input_keydown(ir->dev, &ir->ir, data); |
0602fbb2 PM |
122 | ir_input_nokey(ir->dev, &ir->ir); |
123 | } | |
124 | } | |
125 | ||
1da177e4 LT |
126 | return 0; |
127 | } | |
128 | ||
ac9cd976 RC |
129 | /* --------------------- Chip specific I2C key builders ----------------- */ |
130 | ||
d995a187 LK |
131 | static int get_key_flydvb_trio(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) |
132 | { | |
133 | int gpio; | |
134 | int attempt = 0; | |
135 | unsigned char b; | |
136 | ||
137 | /* We need this to access GPI Used by the saa_readl macro. */ | |
138 | struct saa7134_dev *dev = ir->c->adapter->algo_data; | |
139 | ||
140 | if (dev == NULL) { | |
141 | dprintk("get_key_flydvb_trio: " | |
142 | "gir->c->adapter->algo_data is NULL!\n"); | |
143 | return -EIO; | |
144 | } | |
145 | ||
146 | /* rising SAA7134_GPIGPRESCAN reads the status */ | |
147 | saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); | |
148 | saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); | |
149 | ||
150 | gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2); | |
151 | ||
152 | if (0x40000 & ~gpio) | |
153 | return 0; /* No button press */ | |
154 | ||
155 | /* No button press - only before first key pressed */ | |
156 | if (b == 0xFF) | |
157 | return 0; | |
158 | ||
159 | /* poll IR chip */ | |
160 | /* weak up the IR chip */ | |
161 | b = 0; | |
162 | ||
163 | while (1 != i2c_master_send(ir->c, &b, 1)) { | |
164 | if ((attempt++) < 10) { | |
165 | /* | |
166 | * wait a bit for next attempt - | |
167 | * I don't know how make it better | |
168 | */ | |
169 | msleep(10); | |
170 | continue; | |
171 | } | |
172 | i2cdprintk("send wake up byte to pic16C505 (IR chip)" | |
173 | "failed %dx\n", attempt); | |
174 | return -EIO; | |
175 | } | |
176 | if (1 != i2c_master_recv(ir->c, &b, 1)) { | |
177 | i2cdprintk("read error\n"); | |
178 | return -EIO; | |
179 | } | |
180 | ||
181 | *ir_key = b; | |
182 | *ir_raw = b; | |
183 | return 1; | |
184 | } | |
185 | ||
ba340b40 BR |
186 | static int get_key_msi_tvanywhere_plus(struct IR_i2c *ir, u32 *ir_key, |
187 | u32 *ir_raw) | |
188 | { | |
189 | unsigned char b; | |
190 | int gpio; | |
191 | ||
192 | /* <dev> is needed to access GPIO. Used by the saa_readl macro. */ | |
c668f32d | 193 | struct saa7134_dev *dev = ir->c->adapter->algo_data; |
ba340b40 BR |
194 | if (dev == NULL) { |
195 | dprintk("get_key_msi_tvanywhere_plus: " | |
c668f32d | 196 | "gir->c->adapter->algo_data is NULL!\n"); |
ba340b40 BR |
197 | return -EIO; |
198 | } | |
199 | ||
200 | /* rising SAA7134_GPIO_GPRESCAN reads the status */ | |
201 | ||
202 | saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); | |
203 | saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); | |
204 | ||
205 | gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2); | |
206 | ||
207 | /* GPIO&0x40 is pulsed low when a button is pressed. Don't do | |
208 | I2C receive if gpio&0x40 is not low. */ | |
209 | ||
210 | if (gpio & 0x40) | |
211 | return 0; /* No button press */ | |
212 | ||
213 | /* GPIO says there is a button press. Get it. */ | |
214 | ||
c668f32d | 215 | if (1 != i2c_master_recv(ir->c, &b, 1)) { |
ba340b40 BR |
216 | i2cdprintk("read error\n"); |
217 | return -EIO; | |
218 | } | |
219 | ||
220 | /* No button press */ | |
221 | ||
222 | if (b == 0xff) | |
223 | return 0; | |
224 | ||
225 | /* Button pressed */ | |
226 | ||
227 | dprintk("get_key_msi_tvanywhere_plus: Key = 0x%02X\n", b); | |
228 | *ir_key = b; | |
229 | *ir_raw = b; | |
230 | return 1; | |
231 | } | |
232 | ||
ac9cd976 RC |
233 | static int get_key_purpletv(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) |
234 | { | |
235 | unsigned char b; | |
236 | ||
237 | /* poll IR chip */ | |
c668f32d | 238 | if (1 != i2c_master_recv(ir->c, &b, 1)) { |
ac9cd976 RC |
239 | i2cdprintk("read error\n"); |
240 | return -EIO; | |
241 | } | |
242 | ||
243 | /* no button press */ | |
244 | if (b==0) | |
245 | return 0; | |
246 | ||
247 | /* repeating */ | |
248 | if (b & 0x80) | |
249 | return 1; | |
250 | ||
251 | *ir_key = b; | |
252 | *ir_raw = b; | |
253 | return 1; | |
254 | } | |
255 | ||
177aaaf8 TG |
256 | static int get_key_hvr1110(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) |
257 | { | |
258 | unsigned char buf[5], cod4, code3, code4; | |
259 | ||
260 | /* poll IR chip */ | |
c668f32d | 261 | if (5 != i2c_master_recv(ir->c, buf, 5)) |
177aaaf8 TG |
262 | return -EIO; |
263 | ||
264 | cod4 = buf[4]; | |
265 | code4 = (cod4 >> 2); | |
266 | code3 = buf[3]; | |
267 | if (code3 == 0) | |
268 | /* no key pressed */ | |
269 | return 0; | |
270 | ||
271 | /* return key */ | |
272 | *ir_key = code4; | |
273 | *ir_raw = code4; | |
274 | return 1; | |
275 | } | |
276 | ||
e8018c9e AMT |
277 | |
278 | static int get_key_beholdm6xx(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) | |
279 | { | |
280 | unsigned char data[12]; | |
281 | u32 gpio; | |
282 | ||
c668f32d | 283 | struct saa7134_dev *dev = ir->c->adapter->algo_data; |
e8018c9e AMT |
284 | |
285 | /* rising SAA7134_GPIO_GPRESCAN reads the status */ | |
286 | saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); | |
287 | saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); | |
288 | ||
289 | gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2); | |
290 | ||
616f8878 | 291 | if (0x400000 & ~gpio) |
e8018c9e AMT |
292 | return 0; /* No button press */ |
293 | ||
c668f32d | 294 | ir->c->addr = 0x5a >> 1; |
e8018c9e | 295 | |
c668f32d | 296 | if (12 != i2c_master_recv(ir->c, data, 12)) { |
e8018c9e AMT |
297 | i2cdprintk("read error\n"); |
298 | return -EIO; | |
299 | } | |
300 | /* IR of this card normally decode signals NEC-standard from | |
301 | * - Sven IHOO MT 5.1R remote. xxyye718 | |
302 | * - Sven DVD HD-10xx remote. xxyyf708 | |
303 | * - BBK ... | |
304 | * - mayby others | |
305 | * So, skip not our, if disable full codes mode. | |
306 | */ | |
307 | if (data[10] != 0x6b && data[11] != 0x86 && disable_other_ir) | |
308 | return 0; | |
309 | ||
2d21ffe0 DB |
310 | /* Wrong data decode fix */ |
311 | if (data[9] != (unsigned char)(~data[8])) | |
312 | return 0; | |
313 | ||
e8018c9e AMT |
314 | *ir_key = data[9]; |
315 | *ir_raw = data[9]; | |
316 | ||
317 | return 1; | |
318 | } | |
319 | ||
1c22dad8 MCC |
320 | /* Common (grey or coloured) pinnacle PCTV remote handling |
321 | * | |
322 | */ | |
323 | static int get_key_pinnacle(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw, | |
324 | int parity_offset, int marker, int code_modulo) | |
325 | { | |
326 | unsigned char b[4]; | |
327 | unsigned int start = 0,parity = 0,code = 0; | |
328 | ||
329 | /* poll IR chip */ | |
c668f32d | 330 | if (4 != i2c_master_recv(ir->c, b, 4)) { |
1c22dad8 MCC |
331 | i2cdprintk("read error\n"); |
332 | return -EIO; | |
333 | } | |
334 | ||
335 | for (start = 0; start < ARRAY_SIZE(b); start++) { | |
336 | if (b[start] == marker) { | |
337 | code=b[(start+parity_offset + 1) % 4]; | |
338 | parity=b[(start+parity_offset) % 4]; | |
339 | } | |
340 | } | |
341 | ||
342 | /* Empty Request */ | |
343 | if (parity == 0) | |
344 | return 0; | |
345 | ||
346 | /* Repeating... */ | |
347 | if (ir->old == parity) | |
348 | return 0; | |
349 | ||
350 | ir->old = parity; | |
351 | ||
352 | /* drop special codes when a key is held down a long time for the grey controller | |
353 | In this case, the second bit of the code is asserted */ | |
354 | if (marker == 0xfe && (code & 0x40)) | |
355 | return 0; | |
356 | ||
357 | code %= code_modulo; | |
358 | ||
359 | *ir_raw = code; | |
360 | *ir_key = code; | |
361 | ||
362 | i2cdprintk("Pinnacle PCTV key %02x\n", code); | |
363 | ||
364 | return 1; | |
365 | } | |
366 | ||
367 | /* The grey pinnacle PCTV remote | |
368 | * | |
369 | * There are one issue with this remote: | |
370 | * - I2c packet does not change when the same key is pressed quickly. The workaround | |
371 | * is to hold down each key for about half a second, so that another code is generated | |
372 | * in the i2c packet, and the function can distinguish key presses. | |
373 | * | |
374 | * Sylvain Pasche <sylvain.pasche@gmail.com> | |
375 | */ | |
376 | static int get_key_pinnacle_grey(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) | |
377 | { | |
378 | ||
379 | return get_key_pinnacle(ir, ir_key, ir_raw, 1, 0xfe, 0xff); | |
380 | } | |
381 | ||
382 | ||
383 | /* The new pinnacle PCTV remote (with the colored buttons) | |
384 | * | |
385 | * Ricardo Cerqueira <v4l@cerqueira.org> | |
386 | */ | |
387 | static int get_key_pinnacle_color(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) | |
388 | { | |
389 | /* code_modulo parameter (0x88) is used to reduce code value to fit inside IR_KEYTAB_SIZE | |
390 | * | |
391 | * this is the only value that results in 42 unique | |
392 | * codes < 128 | |
393 | */ | |
394 | ||
395 | return get_key_pinnacle(ir, ir_key, ir_raw, 2, 0x80, 0x88); | |
396 | } | |
397 | ||
1da177e4 LT |
398 | void saa7134_input_irq(struct saa7134_dev *dev) |
399 | { | |
9160723e | 400 | struct card_ir *ir = dev->remote; |
1da177e4 | 401 | |
622ecb30 MCC |
402 | if (ir->nec_gpio) { |
403 | saa7134_nec_irq(dev); | |
404 | } else if (!ir->polling && !ir->rc5_gpio) { | |
1da177e4 | 405 | build_key(dev); |
9160723e HP |
406 | } else if (ir->rc5_gpio) { |
407 | saa7134_rc5_irq(dev); | |
408 | } | |
1da177e4 LT |
409 | } |
410 | ||
411 | static void saa7134_input_timer(unsigned long data) | |
412 | { | |
b4ba7884 | 413 | struct saa7134_dev *dev = (struct saa7134_dev *)data; |
9160723e | 414 | struct card_ir *ir = dev->remote; |
1da177e4 LT |
415 | |
416 | build_key(dev); | |
b4ba7884 | 417 | mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling)); |
1da177e4 LT |
418 | } |
419 | ||
c458473e | 420 | void saa7134_ir_start(struct saa7134_dev *dev, struct card_ir *ir) |
b07b4783 DT |
421 | { |
422 | if (ir->polling) { | |
b4ba7884 DT |
423 | setup_timer(&ir->timer, saa7134_input_timer, |
424 | (unsigned long)dev); | |
b07b4783 DT |
425 | ir->timer.expires = jiffies + HZ; |
426 | add_timer(&ir->timer); | |
9160723e HP |
427 | } else if (ir->rc5_gpio) { |
428 | /* set timer_end for code completion */ | |
429 | init_timer(&ir->timer_end); | |
430 | ir->timer_end.function = ir_rc5_timer_end; | |
431 | ir->timer_end.data = (unsigned long)ir; | |
432 | init_timer(&ir->timer_keyup); | |
433 | ir->timer_keyup.function = ir_rc5_timer_keyup; | |
434 | ir->timer_keyup.data = (unsigned long)ir; | |
435 | ir->shift_by = 2; | |
436 | ir->start = 0x2; | |
437 | ir->addr = 0x17; | |
438 | ir->rc5_key_timeout = ir_rc5_key_timeout; | |
439 | ir->rc5_remote_gap = ir_rc5_remote_gap; | |
622ecb30 MCC |
440 | } else if (ir->nec_gpio) { |
441 | setup_timer(&ir->timer_keyup, saa7134_nec_timer, | |
442 | (unsigned long)dev); | |
443 | tasklet_init(&ir->tlet, nec_task, (unsigned long)dev); | |
b07b4783 DT |
444 | } |
445 | } | |
446 | ||
c458473e | 447 | void saa7134_ir_stop(struct saa7134_dev *dev) |
b07b4783 DT |
448 | { |
449 | if (dev->remote->polling) | |
450 | del_timer_sync(&dev->remote->timer); | |
451 | } | |
452 | ||
1da177e4 LT |
453 | int saa7134_input_init1(struct saa7134_dev *dev) |
454 | { | |
9160723e | 455 | struct card_ir *ir; |
b7df3910 | 456 | struct input_dev *input_dev; |
715a2233 | 457 | struct ir_scancode_table *ir_codes = NULL; |
1da177e4 LT |
458 | u32 mask_keycode = 0; |
459 | u32 mask_keydown = 0; | |
460 | u32 mask_keyup = 0; | |
461 | int polling = 0; | |
9160723e | 462 | int rc5_gpio = 0; |
622ecb30 | 463 | int nec_gpio = 0; |
971e8298 | 464 | u64 ir_type = IR_TYPE_OTHER; |
b07b4783 | 465 | int err; |
1da177e4 | 466 | |
cb2444df | 467 | if (dev->has_remote != SAA7134_REMOTE_GPIO) |
1da177e4 LT |
468 | return -ENODEV; |
469 | if (disable_ir) | |
470 | return -ENODEV; | |
471 | ||
472 | /* detect & configure */ | |
473 | switch (dev->board) { | |
474 | case SAA7134_BOARD_FLYVIDEO2000: | |
475 | case SAA7134_BOARD_FLYVIDEO3000: | |
4ac97914 | 476 | case SAA7134_BOARD_FLYTVPLATINUM_FM: |
6af90ab5 | 477 | case SAA7134_BOARD_FLYTVPLATINUM_MINI2: |
23389b88 | 478 | case SAA7134_BOARD_ROVERMEDIA_LINK_PRO_FM: |
715a2233 | 479 | ir_codes = &ir_codes_flyvideo_table; |
1da177e4 LT |
480 | mask_keycode = 0xEC00000; |
481 | mask_keydown = 0x0040000; | |
482 | break; | |
483 | case SAA7134_BOARD_CINERGY400: | |
484 | case SAA7134_BOARD_CINERGY600: | |
485 | case SAA7134_BOARD_CINERGY600_MK3: | |
715a2233 | 486 | ir_codes = &ir_codes_cinergy_table; |
1da177e4 LT |
487 | mask_keycode = 0x00003f; |
488 | mask_keyup = 0x040000; | |
489 | break; | |
490 | case SAA7134_BOARD_ECS_TVP3XP: | |
491 | case SAA7134_BOARD_ECS_TVP3XP_4CB5: | |
715a2233 | 492 | ir_codes = &ir_codes_eztv_table; |
330a115a MCC |
493 | mask_keycode = 0x00017c; |
494 | mask_keyup = 0x000002; | |
1da177e4 | 495 | polling = 50; // ms |
330a115a MCC |
496 | break; |
497 | case SAA7134_BOARD_KWORLD_XPERT: | |
1da177e4 | 498 | case SAA7134_BOARD_AVACSSMARTTV: |
715a2233 | 499 | ir_codes = &ir_codes_pixelview_table; |
1da177e4 LT |
500 | mask_keycode = 0x00001F; |
501 | mask_keyup = 0x000020; | |
502 | polling = 50; // ms | |
503 | break; | |
504 | case SAA7134_BOARD_MD2819: | |
ac19ecc6 | 505 | case SAA7134_BOARD_KWORLD_VSTREAM_XPERT: |
1da177e4 LT |
506 | case SAA7134_BOARD_AVERMEDIA_305: |
507 | case SAA7134_BOARD_AVERMEDIA_307: | |
ac19ecc6 | 508 | case SAA7134_BOARD_AVERMEDIA_STUDIO_305: |
5a5e1da5 | 509 | case SAA7134_BOARD_AVERMEDIA_STUDIO_505: |
ac19ecc6 | 510 | case SAA7134_BOARD_AVERMEDIA_STUDIO_307: |
3ac706d2 | 511 | case SAA7134_BOARD_AVERMEDIA_STUDIO_507: |
df0dbbe2 | 512 | case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA: |
ac19ecc6 | 513 | case SAA7134_BOARD_AVERMEDIA_GO_007_FM: |
d2761f22 | 514 | case SAA7134_BOARD_AVERMEDIA_M102: |
6a2d802c | 515 | case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS: |
715a2233 | 516 | ir_codes = &ir_codes_avermedia_table; |
1da177e4 LT |
517 | mask_keycode = 0x0007C8; |
518 | mask_keydown = 0x000010; | |
519 | polling = 50; // ms | |
520 | /* Set GPIO pin2 to high to enable the IR controller */ | |
521 | saa_setb(SAA7134_GPIO_GPMODE0, 0x4); | |
522 | saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4); | |
523 | break; | |
36f6bb97 | 524 | case SAA7134_BOARD_AVERMEDIA_M135A: |
715a2233 | 525 | ir_codes = &ir_codes_avermedia_m135a_table; |
36f6bb97 MCC |
526 | mask_keydown = 0x0040000; |
527 | mask_keycode = 0x00013f; | |
528 | nec_gpio = 1; | |
529 | break; | |
450efcfd | 530 | case SAA7134_BOARD_AVERMEDIA_777: |
29e0f1a1 | 531 | case SAA7134_BOARD_AVERMEDIA_A16AR: |
715a2233 | 532 | ir_codes = &ir_codes_avermedia_table; |
450efcfd | 533 | mask_keycode = 0x02F200; |
534 | mask_keydown = 0x000400; | |
535 | polling = 50; // ms | |
536 | /* Without this we won't receive key up events */ | |
537 | saa_setb(SAA7134_GPIO_GPMODE1, 0x1); | |
538 | saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1); | |
4dd7406e | 539 | break; |
6e501a3f | 540 | case SAA7134_BOARD_AVERMEDIA_A16D: |
715a2233 | 541 | ir_codes = &ir_codes_avermedia_a16d_table; |
6e501a3f TF |
542 | mask_keycode = 0x02F200; |
543 | mask_keydown = 0x000400; | |
544 | polling = 50; /* ms */ | |
545 | /* Without this we won't receive key up events */ | |
546 | saa_setb(SAA7134_GPIO_GPMODE1, 0x1); | |
547 | saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1); | |
548 | break; | |
4ac97914 | 549 | case SAA7134_BOARD_KWORLD_TERMINATOR: |
715a2233 | 550 | ir_codes = &ir_codes_pixelview_table; |
dc2286cf JW |
551 | mask_keycode = 0x00001f; |
552 | mask_keyup = 0x000060; | |
553 | polling = 50; // ms | |
554 | break; | |
ac19ecc6 MCC |
555 | case SAA7134_BOARD_MANLI_MTV001: |
556 | case SAA7134_BOARD_MANLI_MTV002: | |
715a2233 | 557 | ir_codes = &ir_codes_manli_table; |
b34dddbe DB |
558 | mask_keycode = 0x001f00; |
559 | mask_keyup = 0x004000; | |
560 | polling = 50; /* ms */ | |
561 | break; | |
a8ff417e | 562 | case SAA7134_BOARD_BEHOLD_409FM: |
e8018c9e AMT |
563 | case SAA7134_BOARD_BEHOLD_401: |
564 | case SAA7134_BOARD_BEHOLD_403: | |
565 | case SAA7134_BOARD_BEHOLD_403FM: | |
566 | case SAA7134_BOARD_BEHOLD_405: | |
567 | case SAA7134_BOARD_BEHOLD_405FM: | |
568 | case SAA7134_BOARD_BEHOLD_407: | |
569 | case SAA7134_BOARD_BEHOLD_407FM: | |
570 | case SAA7134_BOARD_BEHOLD_409: | |
571 | case SAA7134_BOARD_BEHOLD_505FM: | |
9c6f97a0 DB |
572 | case SAA7134_BOARD_BEHOLD_505RDS_MK5: |
573 | case SAA7134_BOARD_BEHOLD_505RDS_MK3: | |
e8018c9e | 574 | case SAA7134_BOARD_BEHOLD_507_9FM: |
84d728c3 DB |
575 | case SAA7134_BOARD_BEHOLD_507RDS_MK3: |
576 | case SAA7134_BOARD_BEHOLD_507RDS_MK5: | |
715a2233 | 577 | ir_codes = &ir_codes_manli_table; |
b34dddbe DB |
578 | mask_keycode = 0x003f00; |
579 | mask_keyup = 0x004000; | |
580 | polling = 50; /* ms */ | |
581 | break; | |
582 | case SAA7134_BOARD_BEHOLD_COLUMBUS_TVFM: | |
715a2233 | 583 | ir_codes = &ir_codes_behold_columbus_table; |
b34dddbe | 584 | mask_keycode = 0x003f00; |
ac19ecc6 | 585 | mask_keyup = 0x004000; |
ac19ecc6 MCC |
586 | polling = 50; // ms |
587 | break; | |
17ce1ff9 | 588 | case SAA7134_BOARD_SEDNA_PC_TV_CARDBUS: |
715a2233 | 589 | ir_codes = &ir_codes_pctv_sedna_table; |
c3d93192 PM |
590 | mask_keycode = 0x001f00; |
591 | mask_keyup = 0x004000; | |
592 | polling = 50; // ms | |
593 | break; | |
4ac97914 | 594 | case SAA7134_BOARD_GOTVIEW_7135: |
715a2233 | 595 | ir_codes = &ir_codes_gotview7135_table; |
0938e319 | 596 | mask_keycode = 0x0003CC; |
6b961440 | 597 | mask_keydown = 0x000010; |
0938e319 P |
598 | polling = 5; /* ms */ |
599 | saa_setb(SAA7134_GPIO_GPMODE1, 0x80); | |
6b961440 | 600 | break; |
1da177e4 | 601 | case SAA7134_BOARD_VIDEOMATE_TV_PVR: |
2a9a9a84 | 602 | case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS: |
330a115a | 603 | case SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII: |
715a2233 | 604 | ir_codes = &ir_codes_videomate_tv_pvr_table; |
1da177e4 LT |
605 | mask_keycode = 0x00003F; |
606 | mask_keyup = 0x400000; | |
607 | polling = 50; // ms | |
608 | break; | |
b04c1baf | 609 | case SAA7134_BOARD_PROTEUS_2309: |
715a2233 | 610 | ir_codes = &ir_codes_proteus_2309_table; |
b04c1baf MM |
611 | mask_keycode = 0x00007F; |
612 | mask_keyup = 0x000080; | |
613 | polling = 50; // ms | |
614 | break; | |
4ac97914 MCC |
615 | case SAA7134_BOARD_VIDEOMATE_DVBT_300: |
616 | case SAA7134_BOARD_VIDEOMATE_DVBT_200: | |
715a2233 | 617 | ir_codes = &ir_codes_videomate_tv_pvr_table; |
fea095fe NS |
618 | mask_keycode = 0x003F00; |
619 | mask_keyup = 0x040000; | |
620 | break; | |
f5c965ab | 621 | case SAA7134_BOARD_FLYDVBS_LR300: |
3d8466ec | 622 | case SAA7134_BOARD_FLYDVBT_LR301: |
a8029170 | 623 | case SAA7134_BOARD_FLYDVBTDUO: |
715a2233 | 624 | ir_codes = &ir_codes_flydvb_table; |
3d8466ec GG |
625 | mask_keycode = 0x0001F00; |
626 | mask_keydown = 0x0040000; | |
627 | break; | |
9160723e | 628 | case SAA7134_BOARD_ASUSTeK_P7131_DUAL: |
904ab884 | 629 | case SAA7134_BOARD_ASUSTeK_P7131_HYBRID_LNA: |
dfb4ba1e | 630 | case SAA7134_BOARD_ASUSTeK_P7131_ANALOG: |
715a2233 | 631 | ir_codes = &ir_codes_asus_pc39_table; |
9160723e HP |
632 | mask_keydown = 0x0040000; |
633 | rc5_gpio = 1; | |
634 | break; | |
c36c459a JPS |
635 | case SAA7134_BOARD_ENCORE_ENLTV: |
636 | case SAA7134_BOARD_ENCORE_ENLTV_FM: | |
715a2233 | 637 | ir_codes = &ir_codes_encore_enltv_table; |
c36c459a JPS |
638 | mask_keycode = 0x00007f; |
639 | mask_keyup = 0x040000; | |
640 | polling = 50; // ms | |
641 | break; | |
bf1ece6a | 642 | case SAA7134_BOARD_ENCORE_ENLTV_FM53: |
715a2233 | 643 | ir_codes = &ir_codes_encore_enltv_fm53_table; |
bf1ece6a MCC |
644 | mask_keydown = 0x0040000; |
645 | mask_keycode = 0x00007f; | |
646 | nec_gpio = 1; | |
647 | break; | |
480f75ac | 648 | case SAA7134_BOARD_10MOONSTVMASTER3: |
715a2233 | 649 | ir_codes = &ir_codes_encore_enltv_table; |
480f75ac TW |
650 | mask_keycode = 0x5f80000; |
651 | mask_keyup = 0x8000000; | |
652 | polling = 50; //ms | |
653 | break; | |
f0ba356c | 654 | case SAA7134_BOARD_GENIUS_TVGO_A11MCE: |
715a2233 | 655 | ir_codes = &ir_codes_genius_tvgo_a11mce_table; |
f0ba356c AP |
656 | mask_keycode = 0xff; |
657 | mask_keydown = 0xf00000; | |
658 | polling = 50; /* ms */ | |
659 | break; | |
9b000191 | 660 | case SAA7134_BOARD_REAL_ANGEL_220: |
715a2233 | 661 | ir_codes = &ir_codes_real_audio_220_32_keys_table; |
9b000191 MCC |
662 | mask_keycode = 0x3f00; |
663 | mask_keyup = 0x4000; | |
664 | polling = 50; /* ms */ | |
665 | break; | |
26d5f3a3 | 666 | case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG: |
715a2233 | 667 | ir_codes = &ir_codes_kworld_plus_tv_analog_table; |
26d5f3a3 MCC |
668 | mask_keycode = 0x7f; |
669 | polling = 40; /* ms */ | |
670 | break; | |
ecfcfec8 | 671 | case SAA7134_BOARD_VIDEOMATE_S350: |
715a2233 | 672 | ir_codes = &ir_codes_videomate_s350_table; |
ecfcfec8 IL |
673 | mask_keycode = 0x003f00; |
674 | mask_keydown = 0x040000; | |
675 | break; | |
0700adec MO |
676 | case SAA7134_BOARD_LEADTEK_WINFAST_DTV1000S: |
677 | ir_codes = &ir_codes_winfast_table; | |
678 | mask_keycode = 0x5f00; | |
679 | mask_keyup = 0x020000; | |
117e1348 | 680 | polling = 50; /* ms */ |
0700adec | 681 | break; |
d995a187 | 682 | break; |
1da177e4 LT |
683 | } |
684 | if (NULL == ir_codes) { | |
685 | printk("%s: Oops: IR config error [card=%d]\n", | |
686 | dev->name, dev->board); | |
687 | return -ENODEV; | |
688 | } | |
689 | ||
b7df3910 DT |
690 | ir = kzalloc(sizeof(*ir), GFP_KERNEL); |
691 | input_dev = input_allocate_device(); | |
692 | if (!ir || !input_dev) { | |
b07b4783 DT |
693 | err = -ENOMEM; |
694 | goto err_out_free; | |
b7df3910 | 695 | } |
1da177e4 | 696 | |
d271d1c2 DT |
697 | ir->dev = input_dev; |
698 | ||
1da177e4 LT |
699 | /* init hardware-specific stuff */ |
700 | ir->mask_keycode = mask_keycode; | |
701 | ir->mask_keydown = mask_keydown; | |
702 | ir->mask_keyup = mask_keyup; | |
4ac97914 | 703 | ir->polling = polling; |
9160723e | 704 | ir->rc5_gpio = rc5_gpio; |
622ecb30 | 705 | ir->nec_gpio = nec_gpio; |
1da177e4 LT |
706 | |
707 | /* init input device */ | |
708 | snprintf(ir->name, sizeof(ir->name), "saa7134 IR (%s)", | |
709 | saa7134_boards[dev->board].name); | |
710 | snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0", | |
711 | pci_name(dev->pci)); | |
712 | ||
579e7d60 | 713 | err = ir_input_init(input_dev, &ir->ir, ir_type); |
055cd556 MCC |
714 | if (err < 0) |
715 | goto err_out_free; | |
716 | ||
b7df3910 DT |
717 | input_dev->name = ir->name; |
718 | input_dev->phys = ir->phys; | |
719 | input_dev->id.bustype = BUS_PCI; | |
720 | input_dev->id.version = 1; | |
1da177e4 | 721 | if (dev->pci->subsystem_vendor) { |
b7df3910 DT |
722 | input_dev->id.vendor = dev->pci->subsystem_vendor; |
723 | input_dev->id.product = dev->pci->subsystem_device; | |
1da177e4 | 724 | } else { |
b7df3910 DT |
725 | input_dev->id.vendor = dev->pci->vendor; |
726 | input_dev->id.product = dev->pci->device; | |
1da177e4 | 727 | } |
2c8a3a33 | 728 | input_dev->dev.parent = &dev->pci->dev; |
1da177e4 | 729 | |
1da177e4 | 730 | dev->remote = ir; |
b07b4783 DT |
731 | saa7134_ir_start(dev, ir); |
732 | ||
e93854da | 733 | err = ir_input_register(ir->dev, ir_codes, NULL); |
b07b4783 DT |
734 | if (err) |
735 | goto err_out_stop; | |
1da177e4 | 736 | |
0938e319 P |
737 | /* the remote isn't as bouncy as a keyboard */ |
738 | ir->dev->rep[REP_DELAY] = repeat_delay; | |
739 | ir->dev->rep[REP_PERIOD] = repeat_period; | |
740 | ||
1da177e4 | 741 | return 0; |
b07b4783 DT |
742 | |
743 | err_out_stop: | |
744 | saa7134_ir_stop(dev); | |
745 | dev->remote = NULL; | |
746 | err_out_free: | |
b07b4783 DT |
747 | kfree(ir); |
748 | return err; | |
1da177e4 LT |
749 | } |
750 | ||
751 | void saa7134_input_fini(struct saa7134_dev *dev) | |
752 | { | |
753 | if (NULL == dev->remote) | |
754 | return; | |
755 | ||
b07b4783 | 756 | saa7134_ir_stop(dev); |
38ef6aa8 | 757 | ir_input_unregister(dev->remote->dev); |
1da177e4 LT |
758 | kfree(dev->remote); |
759 | dev->remote = NULL; | |
760 | } | |
761 | ||
c668f32d | 762 | void saa7134_probe_i2c_ir(struct saa7134_dev *dev) |
ac9cd976 | 763 | { |
43e16ea2 | 764 | struct i2c_board_info info; |
c668f32d | 765 | |
c668f32d JD |
766 | struct i2c_msg msg_msi = { |
767 | .addr = 0x50, | |
768 | .flags = I2C_M_RD, | |
769 | .len = 0, | |
770 | .buf = NULL, | |
771 | }; | |
772 | ||
c668f32d JD |
773 | int rc; |
774 | ||
ac9cd976 | 775 | if (disable_ir) { |
c668f32d | 776 | dprintk("IR has been disabled, not probing for i2c remote\n"); |
ac9cd976 RC |
777 | return; |
778 | } | |
779 | ||
43e16ea2 | 780 | memset(&info, 0, sizeof(struct i2c_board_info)); |
7aedd5ec | 781 | memset(&dev->init_data, 0, sizeof(dev->init_data)); |
43e16ea2 | 782 | strlcpy(info.type, "ir_video", I2C_NAME_SIZE); |
c668f32d | 783 | |
ac9cd976 RC |
784 | switch (dev->board) { |
785 | case SAA7134_BOARD_PINNACLE_PCTV_110i: | |
eb591af3 | 786 | case SAA7134_BOARD_PINNACLE_PCTV_310i: |
7aedd5ec | 787 | dev->init_data.name = "Pinnacle PCTV"; |
b93eedb6 | 788 | if (pinnacle_remote == 0) { |
7aedd5ec MCC |
789 | dev->init_data.get_key = get_key_pinnacle_color; |
790 | dev->init_data.ir_codes = &ir_codes_pinnacle_color_table; | |
43e16ea2 | 791 | info.addr = 0x47; |
b93eedb6 | 792 | } else { |
7aedd5ec MCC |
793 | dev->init_data.get_key = get_key_pinnacle_grey; |
794 | dev->init_data.ir_codes = &ir_codes_pinnacle_grey_table; | |
43e16ea2 | 795 | info.addr = 0x47; |
b93eedb6 | 796 | } |
ac9cd976 RC |
797 | break; |
798 | case SAA7134_BOARD_UPMOST_PURPLE_TV: | |
7aedd5ec MCC |
799 | dev->init_data.name = "Purple TV"; |
800 | dev->init_data.get_key = get_key_purpletv; | |
801 | dev->init_data.ir_codes = &ir_codes_purpletv_table; | |
aef02aa1 | 802 | info.addr = 0x7a; |
ac9cd976 | 803 | break; |
ba340b40 | 804 | case SAA7134_BOARD_MSI_TVATANYWHERE_PLUS: |
7aedd5ec MCC |
805 | dev->init_data.name = "MSI TV@nywhere Plus"; |
806 | dev->init_data.get_key = get_key_msi_tvanywhere_plus; | |
807 | dev->init_data.ir_codes = &ir_codes_msi_tvanywhere_plus_table; | |
43e16ea2 | 808 | info.addr = 0x30; |
ec218a41 JD |
809 | /* MSI TV@nywhere Plus controller doesn't seem to |
810 | respond to probes unless we read something from | |
811 | an existing device. Weird... | |
812 | REVISIT: might no longer be needed */ | |
813 | rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1); | |
814 | dprintk(KERN_DEBUG "probe 0x%02x @ %s: %s\n", | |
815 | msg_msi.addr, dev->i2c_adap.name, | |
816 | (1 == rc) ? "yes" : "no"); | |
ba340b40 | 817 | break; |
177aaaf8 | 818 | case SAA7134_BOARD_HAUPPAUGE_HVR1110: |
7aedd5ec MCC |
819 | dev->init_data.name = "HVR 1110"; |
820 | dev->init_data.get_key = get_key_hvr1110; | |
821 | dev->init_data.ir_codes = &ir_codes_hauppauge_new_table; | |
30093e8b | 822 | info.addr = 0x71; |
177aaaf8 | 823 | break; |
84d728c3 DB |
824 | case SAA7134_BOARD_BEHOLD_607FM_MK3: |
825 | case SAA7134_BOARD_BEHOLD_607FM_MK5: | |
826 | case SAA7134_BOARD_BEHOLD_609FM_MK3: | |
827 | case SAA7134_BOARD_BEHOLD_609FM_MK5: | |
828 | case SAA7134_BOARD_BEHOLD_607RDS_MK3: | |
829 | case SAA7134_BOARD_BEHOLD_607RDS_MK5: | |
830 | case SAA7134_BOARD_BEHOLD_609RDS_MK3: | |
831 | case SAA7134_BOARD_BEHOLD_609RDS_MK5: | |
e8018c9e | 832 | case SAA7134_BOARD_BEHOLD_M6: |
878cf2a5 DB |
833 | case SAA7134_BOARD_BEHOLD_M63: |
834 | case SAA7134_BOARD_BEHOLD_M6_EXTRA: | |
02505271 | 835 | case SAA7134_BOARD_BEHOLD_H6: |
2012c87f | 836 | case SAA7134_BOARD_BEHOLD_X7: |
7aedd5ec MCC |
837 | dev->init_data.name = "BeholdTV"; |
838 | dev->init_data.get_key = get_key_beholdm6xx; | |
839 | dev->init_data.ir_codes = &ir_codes_behold_table; | |
30093e8b | 840 | info.addr = 0x2d; |
ac9cd976 | 841 | break; |
d9a88e63 JD |
842 | case SAA7134_BOARD_AVERMEDIA_CARDBUS_501: |
843 | case SAA7134_BOARD_AVERMEDIA_CARDBUS_506: | |
43e16ea2 | 844 | info.addr = 0x40; |
d9a88e63 | 845 | break; |
d995a187 LK |
846 | case SAA7134_BOARD_FLYDVB_TRIO: |
847 | dev->init_data.name = "FlyDVB Trio"; | |
848 | dev->init_data.get_key = get_key_flydvb_trio; | |
849 | dev->init_data.ir_codes = &ir_codes_flydvb_table; | |
850 | info.addr = 0x0b; | |
851 | break; | |
30093e8b JD |
852 | default: |
853 | dprintk("No I2C IR support for board %x\n", dev->board); | |
854 | return; | |
ac9cd976 RC |
855 | } |
856 | ||
7aedd5ec | 857 | if (dev->init_data.name) |
43e16ea2 | 858 | info.platform_data = &dev->init_data; |
30093e8b | 859 | i2c_new_device(&dev->i2c_adap, &info); |
ac9cd976 | 860 | } |
9160723e HP |
861 | |
862 | static int saa7134_rc5_irq(struct saa7134_dev *dev) | |
863 | { | |
864 | struct card_ir *ir = dev->remote; | |
865 | struct timeval tv; | |
866 | u32 gap; | |
867 | unsigned long current_jiffies, timeout; | |
868 | ||
869 | /* get time of bit */ | |
870 | current_jiffies = jiffies; | |
871 | do_gettimeofday(&tv); | |
872 | ||
873 | /* avoid overflow with gap >1s */ | |
874 | if (tv.tv_sec - ir->base_time.tv_sec > 1) { | |
875 | gap = 200000; | |
876 | } else { | |
877 | gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) + | |
878 | tv.tv_usec - ir->base_time.tv_usec; | |
879 | } | |
880 | ||
881 | /* active code => add bit */ | |
882 | if (ir->active) { | |
883 | /* only if in the code (otherwise spurious IRQ or timer | |
884 | late) */ | |
885 | if (ir->last_bit < 28) { | |
886 | ir->last_bit = (gap - ir_rc5_remote_gap / 2) / | |
887 | ir_rc5_remote_gap; | |
888 | ir->code |= 1 << ir->last_bit; | |
889 | } | |
890 | /* starting new code */ | |
891 | } else { | |
892 | ir->active = 1; | |
893 | ir->code = 0; | |
894 | ir->base_time = tv; | |
895 | ir->last_bit = 0; | |
896 | ||
897 | timeout = current_jiffies + (500 + 30 * HZ) / 1000; | |
898 | mod_timer(&ir->timer_end, timeout); | |
899 | } | |
900 | ||
901 | return 1; | |
902 | } | |
903 | ||
622ecb30 MCC |
904 | |
905 | /* On NEC protocol, One has 2.25 ms, and zero has 1.125 ms | |
906 | The first pulse (start) has 9 + 4.5 ms | |
1da177e4 | 907 | */ |
622ecb30 MCC |
908 | |
909 | static void saa7134_nec_timer(unsigned long data) | |
910 | { | |
911 | struct saa7134_dev *dev = (struct saa7134_dev *) data; | |
912 | struct card_ir *ir = dev->remote; | |
913 | ||
914 | dprintk("Cancel key repeat\n"); | |
915 | ||
916 | ir_input_nokey(ir->dev, &ir->ir); | |
917 | } | |
918 | ||
919 | static void nec_task(unsigned long data) | |
920 | { | |
921 | struct saa7134_dev *dev = (struct saa7134_dev *) data; | |
922 | struct card_ir *ir; | |
923 | struct timeval tv; | |
924 | int count, pulse, oldpulse, gap; | |
925 | u32 ircode = 0, not_code = 0; | |
926 | int ngap = 0; | |
927 | ||
928 | if (!data) { | |
929 | printk(KERN_ERR "saa713x/ir: Can't recover dev struct\n"); | |
930 | /* GPIO will be kept disabled */ | |
931 | return; | |
932 | } | |
933 | ||
934 | ir = dev->remote; | |
935 | ||
936 | /* rising SAA7134_GPIO_GPRESCAN reads the status */ | |
937 | saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); | |
938 | saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); | |
939 | ||
940 | oldpulse = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & ir->mask_keydown; | |
941 | pulse = oldpulse; | |
942 | ||
943 | do_gettimeofday(&tv); | |
944 | ir->base_time = tv; | |
945 | ||
946 | /* Decode NEC pulsecode. This code can take up to 76.5 ms to run. | |
947 | Unfortunately, using IRQ to decode pulse didn't work, since it uses | |
948 | a pulse train of 38KHz. This means one pulse on each 52 us | |
949 | */ | |
950 | do { | |
951 | /* Wait until the end of pulse/space or 5 ms */ | |
952 | for (count = 0; count < 500; count++) { | |
953 | udelay(10); | |
954 | /* rising SAA7134_GPIO_GPRESCAN reads the status */ | |
955 | saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); | |
956 | saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); | |
957 | pulse = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) | |
958 | & ir->mask_keydown; | |
959 | if (pulse != oldpulse) | |
960 | break; | |
961 | } | |
962 | ||
963 | do_gettimeofday(&tv); | |
964 | gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) + | |
965 | tv.tv_usec - ir->base_time.tv_usec; | |
966 | ||
967 | if (!pulse) { | |
968 | /* Bit 0 has 560 us, while bit 1 has 1120 us. | |
969 | Do something only if bit == 1 | |
970 | */ | |
971 | if (ngap && (gap > 560 + 280)) { | |
972 | unsigned int shift = ngap - 1; | |
973 | ||
974 | /* Address first, then command */ | |
975 | if (shift < 8) { | |
976 | shift += 8; | |
977 | ircode |= 1 << shift; | |
978 | } else if (shift < 16) { | |
979 | not_code |= 1 << shift; | |
980 | } else if (shift < 24) { | |
981 | shift -= 16; | |
982 | ircode |= 1 << shift; | |
983 | } else { | |
984 | shift -= 24; | |
985 | not_code |= 1 << shift; | |
986 | } | |
987 | } | |
988 | ngap++; | |
989 | } | |
990 | ||
991 | ||
992 | ir->base_time = tv; | |
993 | ||
994 | /* TIMEOUT - Long pulse */ | |
995 | if (gap >= 5000) | |
996 | break; | |
997 | oldpulse = pulse; | |
998 | } while (ngap < 32); | |
999 | ||
1000 | if (ngap == 32) { | |
1001 | /* FIXME: should check if not_code == ~ircode */ | |
1002 | ir->code = ir_extract_bits(ircode, ir->mask_keycode); | |
1003 | ||
1004 | dprintk("scancode = 0x%02x (code = 0x%02x, notcode= 0x%02x)\n", | |
1005 | ir->code, ircode, not_code); | |
1006 | ||
8573b74a | 1007 | ir_input_keydown(ir->dev, &ir->ir, ir->code); |
622ecb30 MCC |
1008 | } else |
1009 | dprintk("Repeat last key\n"); | |
1010 | ||
1011 | /* Keep repeating the last key */ | |
1012 | mod_timer(&ir->timer_keyup, jiffies + msecs_to_jiffies(150)); | |
1013 | ||
1014 | saa_setl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18); | |
1015 | } | |
1016 | ||
1017 | static int saa7134_nec_irq(struct saa7134_dev *dev) | |
1018 | { | |
1019 | struct card_ir *ir = dev->remote; | |
1020 | ||
1021 | saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18); | |
1022 | tasklet_schedule(&ir->tlet); | |
1023 | ||
1024 | return 1; | |
1025 | } |