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Commit | Line | Data |
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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 | ||
727e625c MCC |
31 | #define MODULE_NAME "saa7134" |
32 | ||
ff699e6b | 33 | static unsigned int disable_ir; |
1da177e4 LT |
34 | module_param(disable_ir, int, 0444); |
35 | MODULE_PARM_DESC(disable_ir,"disable infrared remote support"); | |
36 | ||
ff699e6b | 37 | static unsigned int ir_debug; |
1da177e4 LT |
38 | module_param(ir_debug, int, 0644); |
39 | MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]"); | |
40 | ||
ff699e6b | 41 | static int pinnacle_remote; |
b93eedb6 SP |
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)"); | |
44 | ||
c408a6f6 | 45 | static int ir_rc5_remote_gap = 885; |
9160723e | 46 | module_param(ir_rc5_remote_gap, int, 0644); |
c408a6f6 | 47 | static int ir_rc5_key_timeout = 115; |
9160723e HP |
48 | module_param(ir_rc5_key_timeout, int, 0644); |
49 | ||
0938e319 P |
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); | |
ac9bb7f5 | 55 | MODULE_PARM_DESC(repeat_period, "repeat period between " |
0938e319 P |
56 | "keypresses when key is down"); |
57 | ||
e8018c9e AMT |
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"); | |
62 | ||
1da177e4 LT |
63 | #define dprintk(fmt, arg...) if (ir_debug) \ |
64 | printk(KERN_DEBUG "%s/ir: " fmt, dev->name , ## arg) | |
ac9cd976 | 65 | #define i2cdprintk(fmt, arg...) if (ir_debug) \ |
1df8e986 | 66 | printk(KERN_DEBUG "%s/ir: " fmt, ir->name , ## arg) |
1da177e4 | 67 | |
622ecb30 | 68 | /* Helper functions for RC5 and NEC decoding at GPIO16 or GPIO18 */ |
9160723e | 69 | static int saa7134_rc5_irq(struct saa7134_dev *dev); |
622ecb30 MCC |
70 | static int saa7134_nec_irq(struct saa7134_dev *dev); |
71 | static void nec_task(unsigned long data); | |
72 | static void saa7134_nec_timer(unsigned long data); | |
9160723e | 73 | |
ac9cd976 | 74 | /* -------------------- GPIO generic keycode builder -------------------- */ |
1da177e4 LT |
75 | |
76 | static int build_key(struct saa7134_dev *dev) | |
77 | { | |
9160723e | 78 | struct card_ir *ir = dev->remote; |
1da177e4 LT |
79 | u32 gpio, data; |
80 | ||
0938e319 P |
81 | /* here comes the additional handshake steps for some cards */ |
82 | switch (dev->board) { | |
83 | case SAA7134_BOARD_GOTVIEW_7135: | |
84 | saa_setb(SAA7134_GPIO_GPSTATUS1, 0x80); | |
85 | saa_clearb(SAA7134_GPIO_GPSTATUS1, 0x80); | |
86 | break; | |
87 | } | |
1da177e4 LT |
88 | /* rising SAA7134_GPIO_GPRESCAN reads the status */ |
89 | saa_clearb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN); | |
90 | saa_setb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN); | |
91 | ||
92 | gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2); | |
4ac97914 MCC |
93 | if (ir->polling) { |
94 | if (ir->last_gpio == gpio) | |
95 | return 0; | |
96 | ir->last_gpio = gpio; | |
97 | } | |
1da177e4 | 98 | |
4ac97914 | 99 | data = ir_extract_bits(gpio, ir->mask_keycode); |
1da177e4 LT |
100 | dprintk("build_key gpio=0x%x mask=0x%x data=%d\n", |
101 | gpio, ir->mask_keycode, data); | |
102 | ||
26d5f3a3 MCC |
103 | switch (dev->board) { |
104 | case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG: | |
105 | if (data == ir->mask_keycode) | |
106 | ir_input_nokey(ir->dev, &ir->ir); | |
107 | else | |
8573b74a | 108 | ir_input_keydown(ir->dev, &ir->ir, data); |
26d5f3a3 MCC |
109 | return 0; |
110 | } | |
111 | ||
0602fbb2 PM |
112 | if (ir->polling) { |
113 | if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) || | |
114 | (ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) { | |
8573b74a | 115 | ir_input_keydown(ir->dev, &ir->ir, data); |
0602fbb2 PM |
116 | } else { |
117 | ir_input_nokey(ir->dev, &ir->ir); | |
118 | } | |
1da177e4 | 119 | } |
0602fbb2 PM |
120 | else { /* IRQ driven mode - handle key press and release in one go */ |
121 | if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) || | |
122 | (ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) { | |
8573b74a | 123 | ir_input_keydown(ir->dev, &ir->ir, data); |
0602fbb2 PM |
124 | ir_input_nokey(ir->dev, &ir->ir); |
125 | } | |
126 | } | |
127 | ||
1da177e4 LT |
128 | return 0; |
129 | } | |
130 | ||
ac9cd976 RC |
131 | /* --------------------- Chip specific I2C key builders ----------------- */ |
132 | ||
d995a187 LK |
133 | static int get_key_flydvb_trio(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) |
134 | { | |
135 | int gpio; | |
136 | int attempt = 0; | |
137 | unsigned char b; | |
138 | ||
139 | /* We need this to access GPI Used by the saa_readl macro. */ | |
140 | struct saa7134_dev *dev = ir->c->adapter->algo_data; | |
141 | ||
142 | if (dev == NULL) { | |
143 | dprintk("get_key_flydvb_trio: " | |
144 | "gir->c->adapter->algo_data is NULL!\n"); | |
145 | return -EIO; | |
146 | } | |
147 | ||
148 | /* rising SAA7134_GPIGPRESCAN reads the status */ | |
149 | saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); | |
150 | saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); | |
151 | ||
152 | gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2); | |
153 | ||
154 | if (0x40000 & ~gpio) | |
155 | return 0; /* No button press */ | |
156 | ||
157 | /* No button press - only before first key pressed */ | |
158 | if (b == 0xFF) | |
159 | return 0; | |
160 | ||
161 | /* poll IR chip */ | |
162 | /* weak up the IR chip */ | |
163 | b = 0; | |
164 | ||
165 | while (1 != i2c_master_send(ir->c, &b, 1)) { | |
166 | if ((attempt++) < 10) { | |
167 | /* | |
168 | * wait a bit for next attempt - | |
169 | * I don't know how make it better | |
170 | */ | |
171 | msleep(10); | |
172 | continue; | |
173 | } | |
174 | i2cdprintk("send wake up byte to pic16C505 (IR chip)" | |
175 | "failed %dx\n", attempt); | |
176 | return -EIO; | |
177 | } | |
178 | if (1 != i2c_master_recv(ir->c, &b, 1)) { | |
179 | i2cdprintk("read error\n"); | |
180 | return -EIO; | |
181 | } | |
182 | ||
183 | *ir_key = b; | |
184 | *ir_raw = b; | |
185 | return 1; | |
186 | } | |
187 | ||
ba340b40 BR |
188 | static int get_key_msi_tvanywhere_plus(struct IR_i2c *ir, u32 *ir_key, |
189 | u32 *ir_raw) | |
190 | { | |
191 | unsigned char b; | |
192 | int gpio; | |
193 | ||
194 | /* <dev> is needed to access GPIO. Used by the saa_readl macro. */ | |
c668f32d | 195 | struct saa7134_dev *dev = ir->c->adapter->algo_data; |
ba340b40 BR |
196 | if (dev == NULL) { |
197 | dprintk("get_key_msi_tvanywhere_plus: " | |
c668f32d | 198 | "gir->c->adapter->algo_data is NULL!\n"); |
ba340b40 BR |
199 | return -EIO; |
200 | } | |
201 | ||
202 | /* rising SAA7134_GPIO_GPRESCAN reads the status */ | |
203 | ||
204 | saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); | |
205 | saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); | |
206 | ||
207 | gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2); | |
208 | ||
209 | /* GPIO&0x40 is pulsed low when a button is pressed. Don't do | |
210 | I2C receive if gpio&0x40 is not low. */ | |
211 | ||
212 | if (gpio & 0x40) | |
213 | return 0; /* No button press */ | |
214 | ||
215 | /* GPIO says there is a button press. Get it. */ | |
216 | ||
c668f32d | 217 | if (1 != i2c_master_recv(ir->c, &b, 1)) { |
ba340b40 BR |
218 | i2cdprintk("read error\n"); |
219 | return -EIO; | |
220 | } | |
221 | ||
222 | /* No button press */ | |
223 | ||
224 | if (b == 0xff) | |
225 | return 0; | |
226 | ||
227 | /* Button pressed */ | |
228 | ||
229 | dprintk("get_key_msi_tvanywhere_plus: Key = 0x%02X\n", b); | |
230 | *ir_key = b; | |
231 | *ir_raw = b; | |
232 | return 1; | |
233 | } | |
234 | ||
ac9cd976 RC |
235 | static int get_key_purpletv(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) |
236 | { | |
237 | unsigned char b; | |
238 | ||
239 | /* poll IR chip */ | |
c668f32d | 240 | if (1 != i2c_master_recv(ir->c, &b, 1)) { |
ac9cd976 RC |
241 | i2cdprintk("read error\n"); |
242 | return -EIO; | |
243 | } | |
244 | ||
245 | /* no button press */ | |
246 | if (b==0) | |
247 | return 0; | |
248 | ||
249 | /* repeating */ | |
250 | if (b & 0x80) | |
251 | return 1; | |
252 | ||
253 | *ir_key = b; | |
254 | *ir_raw = b; | |
255 | return 1; | |
256 | } | |
257 | ||
177aaaf8 TG |
258 | static int get_key_hvr1110(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) |
259 | { | |
260 | unsigned char buf[5], cod4, code3, code4; | |
261 | ||
262 | /* poll IR chip */ | |
c668f32d | 263 | if (5 != i2c_master_recv(ir->c, buf, 5)) |
177aaaf8 TG |
264 | return -EIO; |
265 | ||
266 | cod4 = buf[4]; | |
267 | code4 = (cod4 >> 2); | |
268 | code3 = buf[3]; | |
269 | if (code3 == 0) | |
270 | /* no key pressed */ | |
271 | return 0; | |
272 | ||
273 | /* return key */ | |
274 | *ir_key = code4; | |
275 | *ir_raw = code4; | |
276 | return 1; | |
277 | } | |
278 | ||
e8018c9e AMT |
279 | |
280 | static int get_key_beholdm6xx(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) | |
281 | { | |
282 | unsigned char data[12]; | |
283 | u32 gpio; | |
284 | ||
c668f32d | 285 | struct saa7134_dev *dev = ir->c->adapter->algo_data; |
e8018c9e AMT |
286 | |
287 | /* rising SAA7134_GPIO_GPRESCAN reads the status */ | |
288 | saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); | |
289 | saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); | |
290 | ||
291 | gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2); | |
292 | ||
616f8878 | 293 | if (0x400000 & ~gpio) |
e8018c9e AMT |
294 | return 0; /* No button press */ |
295 | ||
c668f32d | 296 | ir->c->addr = 0x5a >> 1; |
e8018c9e | 297 | |
c668f32d | 298 | if (12 != i2c_master_recv(ir->c, data, 12)) { |
e8018c9e AMT |
299 | i2cdprintk("read error\n"); |
300 | return -EIO; | |
301 | } | |
302 | /* IR of this card normally decode signals NEC-standard from | |
303 | * - Sven IHOO MT 5.1R remote. xxyye718 | |
304 | * - Sven DVD HD-10xx remote. xxyyf708 | |
305 | * - BBK ... | |
306 | * - mayby others | |
307 | * So, skip not our, if disable full codes mode. | |
308 | */ | |
309 | if (data[10] != 0x6b && data[11] != 0x86 && disable_other_ir) | |
310 | return 0; | |
311 | ||
2d21ffe0 DB |
312 | /* Wrong data decode fix */ |
313 | if (data[9] != (unsigned char)(~data[8])) | |
314 | return 0; | |
315 | ||
e8018c9e AMT |
316 | *ir_key = data[9]; |
317 | *ir_raw = data[9]; | |
318 | ||
319 | return 1; | |
320 | } | |
321 | ||
1c22dad8 MCC |
322 | /* Common (grey or coloured) pinnacle PCTV remote handling |
323 | * | |
324 | */ | |
325 | static int get_key_pinnacle(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw, | |
326 | int parity_offset, int marker, int code_modulo) | |
327 | { | |
328 | unsigned char b[4]; | |
329 | unsigned int start = 0,parity = 0,code = 0; | |
330 | ||
331 | /* poll IR chip */ | |
c668f32d | 332 | if (4 != i2c_master_recv(ir->c, b, 4)) { |
1c22dad8 MCC |
333 | i2cdprintk("read error\n"); |
334 | return -EIO; | |
335 | } | |
336 | ||
337 | for (start = 0; start < ARRAY_SIZE(b); start++) { | |
338 | if (b[start] == marker) { | |
339 | code=b[(start+parity_offset + 1) % 4]; | |
340 | parity=b[(start+parity_offset) % 4]; | |
341 | } | |
342 | } | |
343 | ||
344 | /* Empty Request */ | |
345 | if (parity == 0) | |
346 | return 0; | |
347 | ||
348 | /* Repeating... */ | |
349 | if (ir->old == parity) | |
350 | return 0; | |
351 | ||
352 | ir->old = parity; | |
353 | ||
354 | /* drop special codes when a key is held down a long time for the grey controller | |
355 | In this case, the second bit of the code is asserted */ | |
356 | if (marker == 0xfe && (code & 0x40)) | |
357 | return 0; | |
358 | ||
359 | code %= code_modulo; | |
360 | ||
361 | *ir_raw = code; | |
362 | *ir_key = code; | |
363 | ||
364 | i2cdprintk("Pinnacle PCTV key %02x\n", code); | |
365 | ||
366 | return 1; | |
367 | } | |
368 | ||
369 | /* The grey pinnacle PCTV remote | |
370 | * | |
371 | * There are one issue with this remote: | |
372 | * - I2c packet does not change when the same key is pressed quickly. The workaround | |
373 | * is to hold down each key for about half a second, so that another code is generated | |
374 | * in the i2c packet, and the function can distinguish key presses. | |
375 | * | |
376 | * Sylvain Pasche <sylvain.pasche@gmail.com> | |
377 | */ | |
378 | static int get_key_pinnacle_grey(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) | |
379 | { | |
380 | ||
381 | return get_key_pinnacle(ir, ir_key, ir_raw, 1, 0xfe, 0xff); | |
382 | } | |
383 | ||
384 | ||
385 | /* The new pinnacle PCTV remote (with the colored buttons) | |
386 | * | |
387 | * Ricardo Cerqueira <v4l@cerqueira.org> | |
388 | */ | |
389 | static int get_key_pinnacle_color(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) | |
390 | { | |
391 | /* code_modulo parameter (0x88) is used to reduce code value to fit inside IR_KEYTAB_SIZE | |
392 | * | |
393 | * this is the only value that results in 42 unique | |
394 | * codes < 128 | |
395 | */ | |
396 | ||
397 | return get_key_pinnacle(ir, ir_key, ir_raw, 2, 0x80, 0x88); | |
398 | } | |
399 | ||
1da177e4 LT |
400 | void saa7134_input_irq(struct saa7134_dev *dev) |
401 | { | |
9160723e | 402 | struct card_ir *ir = dev->remote; |
1da177e4 | 403 | |
622ecb30 MCC |
404 | if (ir->nec_gpio) { |
405 | saa7134_nec_irq(dev); | |
406 | } else if (!ir->polling && !ir->rc5_gpio) { | |
1da177e4 | 407 | build_key(dev); |
9160723e HP |
408 | } else if (ir->rc5_gpio) { |
409 | saa7134_rc5_irq(dev); | |
410 | } | |
1da177e4 LT |
411 | } |
412 | ||
413 | static void saa7134_input_timer(unsigned long data) | |
414 | { | |
b4ba7884 | 415 | struct saa7134_dev *dev = (struct saa7134_dev *)data; |
9160723e | 416 | struct card_ir *ir = dev->remote; |
1da177e4 LT |
417 | |
418 | build_key(dev); | |
b4ba7884 | 419 | mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling)); |
1da177e4 LT |
420 | } |
421 | ||
c458473e | 422 | void saa7134_ir_start(struct saa7134_dev *dev, struct card_ir *ir) |
b07b4783 DT |
423 | { |
424 | if (ir->polling) { | |
b4ba7884 DT |
425 | setup_timer(&ir->timer, saa7134_input_timer, |
426 | (unsigned long)dev); | |
b07b4783 DT |
427 | ir->timer.expires = jiffies + HZ; |
428 | add_timer(&ir->timer); | |
9160723e HP |
429 | } else if (ir->rc5_gpio) { |
430 | /* set timer_end for code completion */ | |
431 | init_timer(&ir->timer_end); | |
432 | ir->timer_end.function = ir_rc5_timer_end; | |
433 | ir->timer_end.data = (unsigned long)ir; | |
434 | init_timer(&ir->timer_keyup); | |
435 | ir->timer_keyup.function = ir_rc5_timer_keyup; | |
436 | ir->timer_keyup.data = (unsigned long)ir; | |
437 | ir->shift_by = 2; | |
438 | ir->start = 0x2; | |
439 | ir->addr = 0x17; | |
440 | ir->rc5_key_timeout = ir_rc5_key_timeout; | |
441 | ir->rc5_remote_gap = ir_rc5_remote_gap; | |
622ecb30 MCC |
442 | } else if (ir->nec_gpio) { |
443 | setup_timer(&ir->timer_keyup, saa7134_nec_timer, | |
444 | (unsigned long)dev); | |
445 | tasklet_init(&ir->tlet, nec_task, (unsigned long)dev); | |
b07b4783 DT |
446 | } |
447 | } | |
448 | ||
c458473e | 449 | void saa7134_ir_stop(struct saa7134_dev *dev) |
b07b4783 DT |
450 | { |
451 | if (dev->remote->polling) | |
452 | del_timer_sync(&dev->remote->timer); | |
453 | } | |
454 | ||
1da177e4 LT |
455 | int saa7134_input_init1(struct saa7134_dev *dev) |
456 | { | |
9160723e | 457 | struct card_ir *ir; |
b7df3910 | 458 | struct input_dev *input_dev; |
715a2233 | 459 | struct ir_scancode_table *ir_codes = NULL; |
1da177e4 LT |
460 | u32 mask_keycode = 0; |
461 | u32 mask_keydown = 0; | |
462 | u32 mask_keyup = 0; | |
463 | int polling = 0; | |
9160723e | 464 | int rc5_gpio = 0; |
622ecb30 | 465 | int nec_gpio = 0; |
971e8298 | 466 | u64 ir_type = IR_TYPE_OTHER; |
b07b4783 | 467 | int err; |
1da177e4 | 468 | |
cb2444df | 469 | if (dev->has_remote != SAA7134_REMOTE_GPIO) |
1da177e4 LT |
470 | return -ENODEV; |
471 | if (disable_ir) | |
472 | return -ENODEV; | |
473 | ||
474 | /* detect & configure */ | |
475 | switch (dev->board) { | |
476 | case SAA7134_BOARD_FLYVIDEO2000: | |
477 | case SAA7134_BOARD_FLYVIDEO3000: | |
8f27fd96 | 478 | case SAA7134_BOARD_HAWELL_HW_404M7: |
4ac97914 | 479 | case SAA7134_BOARD_FLYTVPLATINUM_FM: |
6af90ab5 | 480 | case SAA7134_BOARD_FLYTVPLATINUM_MINI2: |
23389b88 | 481 | case SAA7134_BOARD_ROVERMEDIA_LINK_PRO_FM: |
715a2233 | 482 | ir_codes = &ir_codes_flyvideo_table; |
1da177e4 LT |
483 | mask_keycode = 0xEC00000; |
484 | mask_keydown = 0x0040000; | |
485 | break; | |
486 | case SAA7134_BOARD_CINERGY400: | |
487 | case SAA7134_BOARD_CINERGY600: | |
488 | case SAA7134_BOARD_CINERGY600_MK3: | |
715a2233 | 489 | ir_codes = &ir_codes_cinergy_table; |
1da177e4 LT |
490 | mask_keycode = 0x00003f; |
491 | mask_keyup = 0x040000; | |
492 | break; | |
493 | case SAA7134_BOARD_ECS_TVP3XP: | |
494 | case SAA7134_BOARD_ECS_TVP3XP_4CB5: | |
715a2233 | 495 | ir_codes = &ir_codes_eztv_table; |
330a115a MCC |
496 | mask_keycode = 0x00017c; |
497 | mask_keyup = 0x000002; | |
1da177e4 | 498 | polling = 50; // ms |
330a115a MCC |
499 | break; |
500 | case SAA7134_BOARD_KWORLD_XPERT: | |
1da177e4 | 501 | case SAA7134_BOARD_AVACSSMARTTV: |
715a2233 | 502 | ir_codes = &ir_codes_pixelview_table; |
1da177e4 LT |
503 | mask_keycode = 0x00001F; |
504 | mask_keyup = 0x000020; | |
505 | polling = 50; // ms | |
506 | break; | |
507 | case SAA7134_BOARD_MD2819: | |
ac19ecc6 | 508 | case SAA7134_BOARD_KWORLD_VSTREAM_XPERT: |
1da177e4 LT |
509 | case SAA7134_BOARD_AVERMEDIA_305: |
510 | case SAA7134_BOARD_AVERMEDIA_307: | |
ac19ecc6 | 511 | case SAA7134_BOARD_AVERMEDIA_STUDIO_305: |
5a5e1da5 | 512 | case SAA7134_BOARD_AVERMEDIA_STUDIO_505: |
ac19ecc6 | 513 | case SAA7134_BOARD_AVERMEDIA_STUDIO_307: |
3ac706d2 | 514 | case SAA7134_BOARD_AVERMEDIA_STUDIO_507: |
df0dbbe2 | 515 | case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA: |
ac19ecc6 | 516 | case SAA7134_BOARD_AVERMEDIA_GO_007_FM: |
d2761f22 | 517 | case SAA7134_BOARD_AVERMEDIA_M102: |
6a2d802c | 518 | case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS: |
715a2233 | 519 | ir_codes = &ir_codes_avermedia_table; |
1da177e4 LT |
520 | mask_keycode = 0x0007C8; |
521 | mask_keydown = 0x000010; | |
522 | polling = 50; // ms | |
523 | /* Set GPIO pin2 to high to enable the IR controller */ | |
524 | saa_setb(SAA7134_GPIO_GPMODE0, 0x4); | |
525 | saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4); | |
526 | break; | |
36f6bb97 | 527 | case SAA7134_BOARD_AVERMEDIA_M135A: |
d152b8b6 | 528 | ir_codes = &ir_codes_avermedia_m135a_rm_jx_table; |
36f6bb97 | 529 | mask_keydown = 0x0040000; |
d152b8b6 | 530 | mask_keycode = 0xffff; |
36f6bb97 MCC |
531 | nec_gpio = 1; |
532 | break; | |
450efcfd | 533 | case SAA7134_BOARD_AVERMEDIA_777: |
29e0f1a1 | 534 | case SAA7134_BOARD_AVERMEDIA_A16AR: |
715a2233 | 535 | ir_codes = &ir_codes_avermedia_table; |
450efcfd | 536 | mask_keycode = 0x02F200; |
537 | mask_keydown = 0x000400; | |
538 | polling = 50; // ms | |
539 | /* Without this we won't receive key up events */ | |
540 | saa_setb(SAA7134_GPIO_GPMODE1, 0x1); | |
541 | saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1); | |
4dd7406e | 542 | break; |
6e501a3f | 543 | case SAA7134_BOARD_AVERMEDIA_A16D: |
715a2233 | 544 | ir_codes = &ir_codes_avermedia_a16d_table; |
6e501a3f TF |
545 | mask_keycode = 0x02F200; |
546 | mask_keydown = 0x000400; | |
547 | polling = 50; /* ms */ | |
548 | /* Without this we won't receive key up events */ | |
549 | saa_setb(SAA7134_GPIO_GPMODE1, 0x1); | |
550 | saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1); | |
551 | break; | |
4ac97914 | 552 | case SAA7134_BOARD_KWORLD_TERMINATOR: |
715a2233 | 553 | ir_codes = &ir_codes_pixelview_table; |
dc2286cf JW |
554 | mask_keycode = 0x00001f; |
555 | mask_keyup = 0x000060; | |
556 | polling = 50; // ms | |
557 | break; | |
ac19ecc6 MCC |
558 | case SAA7134_BOARD_MANLI_MTV001: |
559 | case SAA7134_BOARD_MANLI_MTV002: | |
715a2233 | 560 | ir_codes = &ir_codes_manli_table; |
b34dddbe DB |
561 | mask_keycode = 0x001f00; |
562 | mask_keyup = 0x004000; | |
563 | polling = 50; /* ms */ | |
564 | break; | |
a8ff417e | 565 | case SAA7134_BOARD_BEHOLD_409FM: |
e8018c9e AMT |
566 | case SAA7134_BOARD_BEHOLD_401: |
567 | case SAA7134_BOARD_BEHOLD_403: | |
568 | case SAA7134_BOARD_BEHOLD_403FM: | |
569 | case SAA7134_BOARD_BEHOLD_405: | |
570 | case SAA7134_BOARD_BEHOLD_405FM: | |
571 | case SAA7134_BOARD_BEHOLD_407: | |
572 | case SAA7134_BOARD_BEHOLD_407FM: | |
573 | case SAA7134_BOARD_BEHOLD_409: | |
574 | case SAA7134_BOARD_BEHOLD_505FM: | |
9c6f97a0 DB |
575 | case SAA7134_BOARD_BEHOLD_505RDS_MK5: |
576 | case SAA7134_BOARD_BEHOLD_505RDS_MK3: | |
e8018c9e | 577 | case SAA7134_BOARD_BEHOLD_507_9FM: |
84d728c3 DB |
578 | case SAA7134_BOARD_BEHOLD_507RDS_MK3: |
579 | case SAA7134_BOARD_BEHOLD_507RDS_MK5: | |
715a2233 | 580 | ir_codes = &ir_codes_manli_table; |
b34dddbe DB |
581 | mask_keycode = 0x003f00; |
582 | mask_keyup = 0x004000; | |
583 | polling = 50; /* ms */ | |
584 | break; | |
585 | case SAA7134_BOARD_BEHOLD_COLUMBUS_TVFM: | |
715a2233 | 586 | ir_codes = &ir_codes_behold_columbus_table; |
b34dddbe | 587 | mask_keycode = 0x003f00; |
ac19ecc6 | 588 | mask_keyup = 0x004000; |
ac19ecc6 MCC |
589 | polling = 50; // ms |
590 | break; | |
17ce1ff9 | 591 | case SAA7134_BOARD_SEDNA_PC_TV_CARDBUS: |
715a2233 | 592 | ir_codes = &ir_codes_pctv_sedna_table; |
c3d93192 PM |
593 | mask_keycode = 0x001f00; |
594 | mask_keyup = 0x004000; | |
595 | polling = 50; // ms | |
596 | break; | |
4ac97914 | 597 | case SAA7134_BOARD_GOTVIEW_7135: |
715a2233 | 598 | ir_codes = &ir_codes_gotview7135_table; |
0938e319 | 599 | mask_keycode = 0x0003CC; |
6b961440 | 600 | mask_keydown = 0x000010; |
0938e319 P |
601 | polling = 5; /* ms */ |
602 | saa_setb(SAA7134_GPIO_GPMODE1, 0x80); | |
6b961440 | 603 | break; |
1da177e4 | 604 | case SAA7134_BOARD_VIDEOMATE_TV_PVR: |
2a9a9a84 | 605 | case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS: |
330a115a | 606 | case SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII: |
715a2233 | 607 | ir_codes = &ir_codes_videomate_tv_pvr_table; |
1da177e4 LT |
608 | mask_keycode = 0x00003F; |
609 | mask_keyup = 0x400000; | |
610 | polling = 50; // ms | |
611 | break; | |
b04c1baf | 612 | case SAA7134_BOARD_PROTEUS_2309: |
715a2233 | 613 | ir_codes = &ir_codes_proteus_2309_table; |
b04c1baf MM |
614 | mask_keycode = 0x00007F; |
615 | mask_keyup = 0x000080; | |
616 | polling = 50; // ms | |
617 | break; | |
4ac97914 MCC |
618 | case SAA7134_BOARD_VIDEOMATE_DVBT_300: |
619 | case SAA7134_BOARD_VIDEOMATE_DVBT_200: | |
715a2233 | 620 | ir_codes = &ir_codes_videomate_tv_pvr_table; |
fea095fe NS |
621 | mask_keycode = 0x003F00; |
622 | mask_keyup = 0x040000; | |
623 | break; | |
f5c965ab | 624 | case SAA7134_BOARD_FLYDVBS_LR300: |
3d8466ec | 625 | case SAA7134_BOARD_FLYDVBT_LR301: |
a8029170 | 626 | case SAA7134_BOARD_FLYDVBTDUO: |
715a2233 | 627 | ir_codes = &ir_codes_flydvb_table; |
3d8466ec GG |
628 | mask_keycode = 0x0001F00; |
629 | mask_keydown = 0x0040000; | |
630 | break; | |
9160723e | 631 | case SAA7134_BOARD_ASUSTeK_P7131_DUAL: |
904ab884 | 632 | case SAA7134_BOARD_ASUSTeK_P7131_HYBRID_LNA: |
dfb4ba1e | 633 | case SAA7134_BOARD_ASUSTeK_P7131_ANALOG: |
715a2233 | 634 | ir_codes = &ir_codes_asus_pc39_table; |
9160723e HP |
635 | mask_keydown = 0x0040000; |
636 | rc5_gpio = 1; | |
637 | break; | |
c36c459a JPS |
638 | case SAA7134_BOARD_ENCORE_ENLTV: |
639 | case SAA7134_BOARD_ENCORE_ENLTV_FM: | |
715a2233 | 640 | ir_codes = &ir_codes_encore_enltv_table; |
c36c459a JPS |
641 | mask_keycode = 0x00007f; |
642 | mask_keyup = 0x040000; | |
643 | polling = 50; // ms | |
644 | break; | |
bf1ece6a | 645 | case SAA7134_BOARD_ENCORE_ENLTV_FM53: |
715a2233 | 646 | ir_codes = &ir_codes_encore_enltv_fm53_table; |
bf1ece6a MCC |
647 | mask_keydown = 0x0040000; |
648 | mask_keycode = 0x00007f; | |
649 | nec_gpio = 1; | |
650 | break; | |
480f75ac | 651 | case SAA7134_BOARD_10MOONSTVMASTER3: |
715a2233 | 652 | ir_codes = &ir_codes_encore_enltv_table; |
480f75ac TW |
653 | mask_keycode = 0x5f80000; |
654 | mask_keyup = 0x8000000; | |
655 | polling = 50; //ms | |
656 | break; | |
f0ba356c | 657 | case SAA7134_BOARD_GENIUS_TVGO_A11MCE: |
715a2233 | 658 | ir_codes = &ir_codes_genius_tvgo_a11mce_table; |
f0ba356c AP |
659 | mask_keycode = 0xff; |
660 | mask_keydown = 0xf00000; | |
661 | polling = 50; /* ms */ | |
662 | break; | |
9b000191 | 663 | case SAA7134_BOARD_REAL_ANGEL_220: |
715a2233 | 664 | ir_codes = &ir_codes_real_audio_220_32_keys_table; |
9b000191 MCC |
665 | mask_keycode = 0x3f00; |
666 | mask_keyup = 0x4000; | |
667 | polling = 50; /* ms */ | |
668 | break; | |
26d5f3a3 | 669 | case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG: |
715a2233 | 670 | ir_codes = &ir_codes_kworld_plus_tv_analog_table; |
26d5f3a3 MCC |
671 | mask_keycode = 0x7f; |
672 | polling = 40; /* ms */ | |
673 | break; | |
ecfcfec8 | 674 | case SAA7134_BOARD_VIDEOMATE_S350: |
715a2233 | 675 | ir_codes = &ir_codes_videomate_s350_table; |
ecfcfec8 IL |
676 | mask_keycode = 0x003f00; |
677 | mask_keydown = 0x040000; | |
678 | break; | |
0700adec MO |
679 | case SAA7134_BOARD_LEADTEK_WINFAST_DTV1000S: |
680 | ir_codes = &ir_codes_winfast_table; | |
681 | mask_keycode = 0x5f00; | |
682 | mask_keyup = 0x020000; | |
117e1348 | 683 | polling = 50; /* ms */ |
0700adec | 684 | break; |
d995a187 | 685 | break; |
1da177e4 LT |
686 | } |
687 | if (NULL == ir_codes) { | |
688 | printk("%s: Oops: IR config error [card=%d]\n", | |
689 | dev->name, dev->board); | |
690 | return -ENODEV; | |
691 | } | |
692 | ||
b7df3910 DT |
693 | ir = kzalloc(sizeof(*ir), GFP_KERNEL); |
694 | input_dev = input_allocate_device(); | |
695 | if (!ir || !input_dev) { | |
b07b4783 DT |
696 | err = -ENOMEM; |
697 | goto err_out_free; | |
b7df3910 | 698 | } |
1da177e4 | 699 | |
d271d1c2 DT |
700 | ir->dev = input_dev; |
701 | ||
1da177e4 LT |
702 | /* init hardware-specific stuff */ |
703 | ir->mask_keycode = mask_keycode; | |
704 | ir->mask_keydown = mask_keydown; | |
705 | ir->mask_keyup = mask_keyup; | |
4ac97914 | 706 | ir->polling = polling; |
9160723e | 707 | ir->rc5_gpio = rc5_gpio; |
622ecb30 | 708 | ir->nec_gpio = nec_gpio; |
1da177e4 LT |
709 | |
710 | /* init input device */ | |
711 | snprintf(ir->name, sizeof(ir->name), "saa7134 IR (%s)", | |
712 | saa7134_boards[dev->board].name); | |
713 | snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0", | |
714 | pci_name(dev->pci)); | |
715 | ||
579e7d60 | 716 | err = ir_input_init(input_dev, &ir->ir, ir_type); |
055cd556 MCC |
717 | if (err < 0) |
718 | goto err_out_free; | |
719 | ||
b7df3910 DT |
720 | input_dev->name = ir->name; |
721 | input_dev->phys = ir->phys; | |
722 | input_dev->id.bustype = BUS_PCI; | |
723 | input_dev->id.version = 1; | |
1da177e4 | 724 | if (dev->pci->subsystem_vendor) { |
b7df3910 DT |
725 | input_dev->id.vendor = dev->pci->subsystem_vendor; |
726 | input_dev->id.product = dev->pci->subsystem_device; | |
1da177e4 | 727 | } else { |
b7df3910 DT |
728 | input_dev->id.vendor = dev->pci->vendor; |
729 | input_dev->id.product = dev->pci->device; | |
1da177e4 | 730 | } |
2c8a3a33 | 731 | input_dev->dev.parent = &dev->pci->dev; |
1da177e4 | 732 | |
1da177e4 | 733 | dev->remote = ir; |
b07b4783 DT |
734 | saa7134_ir_start(dev, ir); |
735 | ||
727e625c | 736 | err = ir_input_register(ir->dev, ir_codes, NULL, MODULE_NAME); |
b07b4783 DT |
737 | if (err) |
738 | goto err_out_stop; | |
1da177e4 | 739 | |
0938e319 P |
740 | /* the remote isn't as bouncy as a keyboard */ |
741 | ir->dev->rep[REP_DELAY] = repeat_delay; | |
742 | ir->dev->rep[REP_PERIOD] = repeat_period; | |
743 | ||
1da177e4 | 744 | return 0; |
b07b4783 DT |
745 | |
746 | err_out_stop: | |
747 | saa7134_ir_stop(dev); | |
748 | dev->remote = NULL; | |
749 | err_out_free: | |
b07b4783 DT |
750 | kfree(ir); |
751 | return err; | |
1da177e4 LT |
752 | } |
753 | ||
754 | void saa7134_input_fini(struct saa7134_dev *dev) | |
755 | { | |
756 | if (NULL == dev->remote) | |
757 | return; | |
758 | ||
b07b4783 | 759 | saa7134_ir_stop(dev); |
38ef6aa8 | 760 | ir_input_unregister(dev->remote->dev); |
1da177e4 LT |
761 | kfree(dev->remote); |
762 | dev->remote = NULL; | |
763 | } | |
764 | ||
c668f32d | 765 | void saa7134_probe_i2c_ir(struct saa7134_dev *dev) |
ac9cd976 | 766 | { |
43e16ea2 | 767 | struct i2c_board_info info; |
c668f32d | 768 | |
c668f32d JD |
769 | struct i2c_msg msg_msi = { |
770 | .addr = 0x50, | |
771 | .flags = I2C_M_RD, | |
772 | .len = 0, | |
773 | .buf = NULL, | |
774 | }; | |
775 | ||
c668f32d JD |
776 | int rc; |
777 | ||
ac9cd976 | 778 | if (disable_ir) { |
c668f32d | 779 | dprintk("IR has been disabled, not probing for i2c remote\n"); |
ac9cd976 RC |
780 | return; |
781 | } | |
782 | ||
43e16ea2 | 783 | memset(&info, 0, sizeof(struct i2c_board_info)); |
7aedd5ec | 784 | memset(&dev->init_data, 0, sizeof(dev->init_data)); |
43e16ea2 | 785 | strlcpy(info.type, "ir_video", I2C_NAME_SIZE); |
c668f32d | 786 | |
ac9cd976 RC |
787 | switch (dev->board) { |
788 | case SAA7134_BOARD_PINNACLE_PCTV_110i: | |
eb591af3 | 789 | case SAA7134_BOARD_PINNACLE_PCTV_310i: |
7aedd5ec | 790 | dev->init_data.name = "Pinnacle PCTV"; |
b93eedb6 | 791 | if (pinnacle_remote == 0) { |
7aedd5ec MCC |
792 | dev->init_data.get_key = get_key_pinnacle_color; |
793 | dev->init_data.ir_codes = &ir_codes_pinnacle_color_table; | |
43e16ea2 | 794 | info.addr = 0x47; |
b93eedb6 | 795 | } else { |
7aedd5ec MCC |
796 | dev->init_data.get_key = get_key_pinnacle_grey; |
797 | dev->init_data.ir_codes = &ir_codes_pinnacle_grey_table; | |
43e16ea2 | 798 | info.addr = 0x47; |
b93eedb6 | 799 | } |
ac9cd976 RC |
800 | break; |
801 | case SAA7134_BOARD_UPMOST_PURPLE_TV: | |
7aedd5ec MCC |
802 | dev->init_data.name = "Purple TV"; |
803 | dev->init_data.get_key = get_key_purpletv; | |
804 | dev->init_data.ir_codes = &ir_codes_purpletv_table; | |
aef02aa1 | 805 | info.addr = 0x7a; |
ac9cd976 | 806 | break; |
ba340b40 | 807 | case SAA7134_BOARD_MSI_TVATANYWHERE_PLUS: |
7aedd5ec MCC |
808 | dev->init_data.name = "MSI TV@nywhere Plus"; |
809 | dev->init_data.get_key = get_key_msi_tvanywhere_plus; | |
810 | dev->init_data.ir_codes = &ir_codes_msi_tvanywhere_plus_table; | |
43e16ea2 | 811 | info.addr = 0x30; |
ec218a41 JD |
812 | /* MSI TV@nywhere Plus controller doesn't seem to |
813 | respond to probes unless we read something from | |
814 | an existing device. Weird... | |
815 | REVISIT: might no longer be needed */ | |
816 | rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1); | |
817 | dprintk(KERN_DEBUG "probe 0x%02x @ %s: %s\n", | |
818 | msg_msi.addr, dev->i2c_adap.name, | |
819 | (1 == rc) ? "yes" : "no"); | |
ba340b40 | 820 | break; |
177aaaf8 | 821 | case SAA7134_BOARD_HAUPPAUGE_HVR1110: |
7aedd5ec MCC |
822 | dev->init_data.name = "HVR 1110"; |
823 | dev->init_data.get_key = get_key_hvr1110; | |
824 | dev->init_data.ir_codes = &ir_codes_hauppauge_new_table; | |
30093e8b | 825 | info.addr = 0x71; |
177aaaf8 | 826 | break; |
84d728c3 DB |
827 | case SAA7134_BOARD_BEHOLD_607FM_MK3: |
828 | case SAA7134_BOARD_BEHOLD_607FM_MK5: | |
829 | case SAA7134_BOARD_BEHOLD_609FM_MK3: | |
830 | case SAA7134_BOARD_BEHOLD_609FM_MK5: | |
831 | case SAA7134_BOARD_BEHOLD_607RDS_MK3: | |
832 | case SAA7134_BOARD_BEHOLD_607RDS_MK5: | |
833 | case SAA7134_BOARD_BEHOLD_609RDS_MK3: | |
834 | case SAA7134_BOARD_BEHOLD_609RDS_MK5: | |
e8018c9e | 835 | case SAA7134_BOARD_BEHOLD_M6: |
878cf2a5 DB |
836 | case SAA7134_BOARD_BEHOLD_M63: |
837 | case SAA7134_BOARD_BEHOLD_M6_EXTRA: | |
02505271 | 838 | case SAA7134_BOARD_BEHOLD_H6: |
2012c87f | 839 | case SAA7134_BOARD_BEHOLD_X7: |
7aedd5ec MCC |
840 | dev->init_data.name = "BeholdTV"; |
841 | dev->init_data.get_key = get_key_beholdm6xx; | |
842 | dev->init_data.ir_codes = &ir_codes_behold_table; | |
2ffbb64c | 843 | dev->init_data.type = IR_TYPE_NEC; |
30093e8b | 844 | info.addr = 0x2d; |
ac9cd976 | 845 | break; |
d9a88e63 JD |
846 | case SAA7134_BOARD_AVERMEDIA_CARDBUS_501: |
847 | case SAA7134_BOARD_AVERMEDIA_CARDBUS_506: | |
43e16ea2 | 848 | info.addr = 0x40; |
d9a88e63 | 849 | break; |
d995a187 LK |
850 | case SAA7134_BOARD_FLYDVB_TRIO: |
851 | dev->init_data.name = "FlyDVB Trio"; | |
852 | dev->init_data.get_key = get_key_flydvb_trio; | |
853 | dev->init_data.ir_codes = &ir_codes_flydvb_table; | |
854 | info.addr = 0x0b; | |
855 | break; | |
30093e8b JD |
856 | default: |
857 | dprintk("No I2C IR support for board %x\n", dev->board); | |
858 | return; | |
ac9cd976 RC |
859 | } |
860 | ||
7aedd5ec | 861 | if (dev->init_data.name) |
43e16ea2 | 862 | info.platform_data = &dev->init_data; |
30093e8b | 863 | i2c_new_device(&dev->i2c_adap, &info); |
ac9cd976 | 864 | } |
9160723e HP |
865 | |
866 | static int saa7134_rc5_irq(struct saa7134_dev *dev) | |
867 | { | |
868 | struct card_ir *ir = dev->remote; | |
869 | struct timeval tv; | |
870 | u32 gap; | |
871 | unsigned long current_jiffies, timeout; | |
872 | ||
873 | /* get time of bit */ | |
874 | current_jiffies = jiffies; | |
875 | do_gettimeofday(&tv); | |
876 | ||
877 | /* avoid overflow with gap >1s */ | |
878 | if (tv.tv_sec - ir->base_time.tv_sec > 1) { | |
879 | gap = 200000; | |
880 | } else { | |
881 | gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) + | |
882 | tv.tv_usec - ir->base_time.tv_usec; | |
883 | } | |
884 | ||
885 | /* active code => add bit */ | |
886 | if (ir->active) { | |
887 | /* only if in the code (otherwise spurious IRQ or timer | |
888 | late) */ | |
889 | if (ir->last_bit < 28) { | |
890 | ir->last_bit = (gap - ir_rc5_remote_gap / 2) / | |
891 | ir_rc5_remote_gap; | |
892 | ir->code |= 1 << ir->last_bit; | |
893 | } | |
894 | /* starting new code */ | |
895 | } else { | |
896 | ir->active = 1; | |
897 | ir->code = 0; | |
898 | ir->base_time = tv; | |
899 | ir->last_bit = 0; | |
900 | ||
901 | timeout = current_jiffies + (500 + 30 * HZ) / 1000; | |
902 | mod_timer(&ir->timer_end, timeout); | |
903 | } | |
904 | ||
905 | return 1; | |
906 | } | |
907 | ||
622ecb30 MCC |
908 | |
909 | /* On NEC protocol, One has 2.25 ms, and zero has 1.125 ms | |
910 | The first pulse (start) has 9 + 4.5 ms | |
1da177e4 | 911 | */ |
622ecb30 MCC |
912 | |
913 | static void saa7134_nec_timer(unsigned long data) | |
914 | { | |
915 | struct saa7134_dev *dev = (struct saa7134_dev *) data; | |
916 | struct card_ir *ir = dev->remote; | |
917 | ||
918 | dprintk("Cancel key repeat\n"); | |
919 | ||
920 | ir_input_nokey(ir->dev, &ir->ir); | |
921 | } | |
922 | ||
923 | static void nec_task(unsigned long data) | |
924 | { | |
925 | struct saa7134_dev *dev = (struct saa7134_dev *) data; | |
926 | struct card_ir *ir; | |
927 | struct timeval tv; | |
928 | int count, pulse, oldpulse, gap; | |
929 | u32 ircode = 0, not_code = 0; | |
930 | int ngap = 0; | |
931 | ||
932 | if (!data) { | |
933 | printk(KERN_ERR "saa713x/ir: Can't recover dev struct\n"); | |
934 | /* GPIO will be kept disabled */ | |
935 | return; | |
936 | } | |
937 | ||
938 | ir = dev->remote; | |
939 | ||
940 | /* rising SAA7134_GPIO_GPRESCAN reads the status */ | |
941 | saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); | |
942 | saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); | |
943 | ||
944 | oldpulse = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & ir->mask_keydown; | |
945 | pulse = oldpulse; | |
946 | ||
947 | do_gettimeofday(&tv); | |
948 | ir->base_time = tv; | |
949 | ||
950 | /* Decode NEC pulsecode. This code can take up to 76.5 ms to run. | |
951 | Unfortunately, using IRQ to decode pulse didn't work, since it uses | |
952 | a pulse train of 38KHz. This means one pulse on each 52 us | |
953 | */ | |
954 | do { | |
955 | /* Wait until the end of pulse/space or 5 ms */ | |
956 | for (count = 0; count < 500; count++) { | |
957 | udelay(10); | |
958 | /* rising SAA7134_GPIO_GPRESCAN reads the status */ | |
959 | saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); | |
960 | saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); | |
961 | pulse = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) | |
962 | & ir->mask_keydown; | |
963 | if (pulse != oldpulse) | |
964 | break; | |
965 | } | |
966 | ||
967 | do_gettimeofday(&tv); | |
968 | gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) + | |
969 | tv.tv_usec - ir->base_time.tv_usec; | |
970 | ||
971 | if (!pulse) { | |
972 | /* Bit 0 has 560 us, while bit 1 has 1120 us. | |
973 | Do something only if bit == 1 | |
974 | */ | |
975 | if (ngap && (gap > 560 + 280)) { | |
976 | unsigned int shift = ngap - 1; | |
977 | ||
978 | /* Address first, then command */ | |
979 | if (shift < 8) { | |
980 | shift += 8; | |
981 | ircode |= 1 << shift; | |
982 | } else if (shift < 16) { | |
983 | not_code |= 1 << shift; | |
984 | } else if (shift < 24) { | |
985 | shift -= 16; | |
986 | ircode |= 1 << shift; | |
987 | } else { | |
988 | shift -= 24; | |
989 | not_code |= 1 << shift; | |
990 | } | |
991 | } | |
992 | ngap++; | |
993 | } | |
994 | ||
995 | ||
996 | ir->base_time = tv; | |
997 | ||
998 | /* TIMEOUT - Long pulse */ | |
999 | if (gap >= 5000) | |
1000 | break; | |
1001 | oldpulse = pulse; | |
1002 | } while (ngap < 32); | |
1003 | ||
1004 | if (ngap == 32) { | |
1005 | /* FIXME: should check if not_code == ~ircode */ | |
1006 | ir->code = ir_extract_bits(ircode, ir->mask_keycode); | |
1007 | ||
1008 | dprintk("scancode = 0x%02x (code = 0x%02x, notcode= 0x%02x)\n", | |
1009 | ir->code, ircode, not_code); | |
1010 | ||
8573b74a | 1011 | ir_input_keydown(ir->dev, &ir->ir, ir->code); |
622ecb30 MCC |
1012 | } else |
1013 | dprintk("Repeat last key\n"); | |
1014 | ||
1015 | /* Keep repeating the last key */ | |
1016 | mod_timer(&ir->timer_keyup, jiffies + msecs_to_jiffies(150)); | |
1017 | ||
1018 | saa_setl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18); | |
1019 | } | |
1020 | ||
1021 | static int saa7134_nec_irq(struct saa7134_dev *dev) | |
1022 | { | |
1023 | struct card_ir *ir = dev->remote; | |
1024 | ||
1025 | saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18); | |
1026 | tasklet_schedule(&ir->tlet); | |
1027 | ||
1028 | return 1; | |
1029 | } |