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1 | /* |
2 | * $Id: ir-kbd-gpio.c,v 1.12 2005/02/22 12:28:40 kraxel Exp $ | |
3 | * | |
4 | * Copyright (c) 2003 Gerd Knorr | |
5 | * Copyright (c) 2003 Pavel Machek | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | */ | |
21 | ||
22 | #include <linux/module.h> | |
23 | #include <linux/moduleparam.h> | |
24 | #include <linux/init.h> | |
25 | #include <linux/delay.h> | |
26 | #include <linux/interrupt.h> | |
27 | #include <linux/input.h> | |
28 | #include <linux/pci.h> | |
29 | ||
30 | #include <media/ir-common.h> | |
31 | ||
32 | #include "bttv.h" | |
33 | ||
34 | /* ---------------------------------------------------------------------- */ | |
35 | ||
36 | static IR_KEYTAB_TYPE ir_codes_avermedia[IR_KEYTAB_SIZE] = { | |
37 | [ 34 ] = KEY_KP0, | |
38 | [ 40 ] = KEY_KP1, | |
39 | [ 24 ] = KEY_KP2, | |
40 | [ 56 ] = KEY_KP3, | |
41 | [ 36 ] = KEY_KP4, | |
42 | [ 20 ] = KEY_KP5, | |
43 | [ 52 ] = KEY_KP6, | |
44 | [ 44 ] = KEY_KP7, | |
45 | [ 28 ] = KEY_KP8, | |
46 | [ 60 ] = KEY_KP9, | |
47 | ||
48 | [ 48 ] = KEY_EJECTCD, // Unmarked on my controller | |
49 | [ 0 ] = KEY_POWER, | |
50 | [ 18 ] = BTN_LEFT, // DISPLAY/L | |
51 | [ 50 ] = BTN_RIGHT, // LOOP/R | |
52 | [ 10 ] = KEY_MUTE, | |
53 | [ 38 ] = KEY_RECORD, | |
54 | [ 22 ] = KEY_PAUSE, | |
55 | [ 54 ] = KEY_STOP, | |
56 | [ 30 ] = KEY_VOLUMEDOWN, | |
57 | [ 62 ] = KEY_VOLUMEUP, | |
58 | ||
59 | [ 32 ] = KEY_TUNER, // TV/FM | |
60 | [ 16 ] = KEY_CD, | |
61 | [ 8 ] = KEY_VIDEO, | |
62 | [ 4 ] = KEY_AUDIO, | |
63 | [ 12 ] = KEY_ZOOM, // full screen | |
64 | [ 2 ] = KEY_INFO, // preview | |
65 | [ 42 ] = KEY_SEARCH, // autoscan | |
66 | [ 26 ] = KEY_STOP, // freeze | |
67 | [ 58 ] = KEY_RECORD, // capture | |
68 | [ 6 ] = KEY_PLAY, // unmarked | |
69 | [ 46 ] = KEY_RED, // unmarked | |
70 | [ 14 ] = KEY_GREEN, // unmarked | |
71 | ||
72 | [ 33 ] = KEY_YELLOW, // unmarked | |
73 | [ 17 ] = KEY_CHANNELDOWN, | |
74 | [ 49 ] = KEY_CHANNELUP, | |
75 | [ 1 ] = KEY_BLUE, // unmarked | |
76 | }; | |
77 | ||
78 | /* Matt Jesson <dvb@jesson.eclipse.co.uk */ | |
79 | static IR_KEYTAB_TYPE ir_codes_avermedia_dvbt[IR_KEYTAB_SIZE] = { | |
80 | [ 0x28 ] = KEY_KP0, //'0' / 'enter' | |
81 | [ 0x22 ] = KEY_KP1, //'1' | |
82 | [ 0x12 ] = KEY_KP2, //'2' / 'up arrow' | |
83 | [ 0x32 ] = KEY_KP3, //'3' | |
84 | [ 0x24 ] = KEY_KP4, //'4' / 'left arrow' | |
85 | [ 0x14 ] = KEY_KP5, //'5' | |
86 | [ 0x34 ] = KEY_KP6, //'6' / 'right arrow' | |
87 | [ 0x26 ] = KEY_KP7, //'7' | |
88 | [ 0x16 ] = KEY_KP8, //'8' / 'down arrow' | |
89 | [ 0x36 ] = KEY_KP9, //'9' | |
90 | ||
91 | [ 0x20 ] = KEY_LIST, // 'source' | |
92 | [ 0x10 ] = KEY_TEXT, // 'teletext' | |
93 | [ 0x00 ] = KEY_POWER, // 'power' | |
94 | [ 0x04 ] = KEY_AUDIO, // 'audio' | |
95 | [ 0x06 ] = KEY_ZOOM, // 'full screen' | |
96 | [ 0x18 ] = KEY_VIDEO, // 'display' | |
97 | [ 0x38 ] = KEY_SEARCH, // 'loop' | |
98 | [ 0x08 ] = KEY_INFO, // 'preview' | |
99 | [ 0x2a ] = KEY_REWIND, // 'backward <<' | |
100 | [ 0x1a ] = KEY_FASTFORWARD, // 'forward >>' | |
101 | [ 0x3a ] = KEY_RECORD, // 'capture' | |
102 | [ 0x0a ] = KEY_MUTE, // 'mute' | |
103 | [ 0x2c ] = KEY_RECORD, // 'record' | |
104 | [ 0x1c ] = KEY_PAUSE, // 'pause' | |
105 | [ 0x3c ] = KEY_STOP, // 'stop' | |
106 | [ 0x0c ] = KEY_PLAY, // 'play' | |
107 | [ 0x2e ] = KEY_RED, // 'red' | |
108 | [ 0x01 ] = KEY_BLUE, // 'blue' / 'cancel' | |
109 | [ 0x0e ] = KEY_YELLOW, // 'yellow' / 'ok' | |
110 | [ 0x21 ] = KEY_GREEN, // 'green' | |
111 | [ 0x11 ] = KEY_CHANNELDOWN, // 'channel -' | |
112 | [ 0x31 ] = KEY_CHANNELUP, // 'channel +' | |
113 | [ 0x1e ] = KEY_VOLUMEDOWN, // 'volume -' | |
114 | [ 0x3e ] = KEY_VOLUMEUP, // 'volume +' | |
115 | }; | |
116 | ||
117 | static IR_KEYTAB_TYPE ir_codes_pixelview[IR_KEYTAB_SIZE] = { | |
118 | [ 2 ] = KEY_KP0, | |
119 | [ 1 ] = KEY_KP1, | |
120 | [ 11 ] = KEY_KP2, | |
121 | [ 27 ] = KEY_KP3, | |
122 | [ 5 ] = KEY_KP4, | |
123 | [ 9 ] = KEY_KP5, | |
124 | [ 21 ] = KEY_KP6, | |
125 | [ 6 ] = KEY_KP7, | |
126 | [ 10 ] = KEY_KP8, | |
127 | [ 18 ] = KEY_KP9, | |
128 | ||
129 | [ 3 ] = KEY_TUNER, // TV/FM | |
130 | [ 7 ] = KEY_SEARCH, // scan | |
131 | [ 28 ] = KEY_ZOOM, // full screen | |
132 | [ 30 ] = KEY_POWER, | |
133 | [ 23 ] = KEY_VOLUMEDOWN, | |
134 | [ 31 ] = KEY_VOLUMEUP, | |
135 | [ 20 ] = KEY_CHANNELDOWN, | |
136 | [ 22 ] = KEY_CHANNELUP, | |
137 | [ 24 ] = KEY_MUTE, | |
138 | ||
139 | [ 0 ] = KEY_LIST, // source | |
140 | [ 19 ] = KEY_INFO, // loop | |
141 | [ 16 ] = KEY_LAST, // +100 | |
142 | [ 13 ] = KEY_CLEAR, // reset | |
143 | [ 12 ] = BTN_RIGHT, // fun++ | |
144 | [ 4 ] = BTN_LEFT, // fun-- | |
145 | [ 14 ] = KEY_GOTO, // function | |
146 | [ 15 ] = KEY_STOP, // freeze | |
147 | }; | |
148 | ||
149 | /* Attila Kondoros <attila.kondoros@chello.hu> */ | |
150 | static IR_KEYTAB_TYPE ir_codes_apac_viewcomp[IR_KEYTAB_SIZE] = { | |
151 | ||
152 | [ 1 ] = KEY_KP1, | |
153 | [ 2 ] = KEY_KP2, | |
154 | [ 3 ] = KEY_KP3, | |
155 | [ 4 ] = KEY_KP4, | |
156 | [ 5 ] = KEY_KP5, | |
157 | [ 6 ] = KEY_KP6, | |
158 | [ 7 ] = KEY_KP7, | |
159 | [ 8 ] = KEY_KP8, | |
160 | [ 9 ] = KEY_KP9, | |
161 | [ 0 ] = KEY_KP0, | |
162 | [ 23 ] = KEY_LAST, // +100 | |
163 | [ 10 ] = KEY_LIST, // recall | |
164 | ||
165 | ||
166 | [ 28 ] = KEY_TUNER, // TV/FM | |
167 | [ 21 ] = KEY_SEARCH, // scan | |
168 | [ 18 ] = KEY_POWER, // power | |
169 | [ 31 ] = KEY_VOLUMEDOWN, // vol up | |
170 | [ 27 ] = KEY_VOLUMEUP, // vol down | |
171 | [ 30 ] = KEY_CHANNELDOWN, // chn up | |
172 | [ 26 ] = KEY_CHANNELUP, // chn down | |
173 | ||
174 | [ 17 ] = KEY_VIDEO, // video | |
175 | [ 15 ] = KEY_ZOOM, // full screen | |
176 | [ 19 ] = KEY_MUTE, // mute/unmute | |
177 | [ 16 ] = KEY_TEXT, // min | |
178 | ||
179 | [ 13 ] = KEY_STOP, // freeze | |
180 | [ 14 ] = KEY_RECORD, // record | |
181 | [ 29 ] = KEY_PLAYPAUSE, // stop | |
182 | [ 25 ] = KEY_PLAY, // play | |
183 | ||
184 | [ 22 ] = KEY_GOTO, // osd | |
185 | [ 20 ] = KEY_REFRESH, // default | |
186 | [ 12 ] = KEY_KPPLUS, // fine tune >>>> | |
187 | [ 24 ] = KEY_KPMINUS // fine tune <<<< | |
188 | }; | |
189 | ||
190 | /* ---------------------------------------------------------------------- */ | |
191 | ||
192 | struct IR { | |
193 | struct bttv_sub_device *sub; | |
194 | struct input_dev input; | |
195 | struct ir_input_state ir; | |
196 | char name[32]; | |
197 | char phys[32]; | |
198 | u32 mask_keycode; | |
199 | u32 mask_keydown; | |
200 | u32 mask_keyup; | |
201 | ||
202 | int polling; | |
203 | u32 last_gpio; | |
204 | struct work_struct work; | |
205 | struct timer_list timer; | |
206 | }; | |
207 | ||
208 | static int debug; | |
209 | module_param(debug, int, 0644); /* debug level (0,1,2) */ | |
210 | ||
211 | #define DEVNAME "ir-kbd-gpio" | |
212 | #define dprintk(fmt, arg...) if (debug) \ | |
213 | printk(KERN_DEBUG DEVNAME ": " fmt , ## arg) | |
214 | ||
215 | static void ir_irq(struct bttv_sub_device *sub); | |
216 | static int ir_probe(struct device *dev); | |
217 | static int ir_remove(struct device *dev); | |
218 | ||
219 | static struct bttv_sub_driver driver = { | |
220 | .drv = { | |
221 | .name = DEVNAME, | |
222 | .probe = ir_probe, | |
223 | .remove = ir_remove, | |
224 | }, | |
225 | .gpio_irq = ir_irq, | |
226 | }; | |
227 | ||
228 | /* ---------------------------------------------------------------------- */ | |
229 | ||
230 | static void ir_handle_key(struct IR *ir) | |
231 | { | |
232 | u32 gpio,data; | |
233 | ||
234 | /* read gpio value */ | |
235 | gpio = bttv_gpio_read(ir->sub->core); | |
236 | if (ir->polling) { | |
237 | if (ir->last_gpio == gpio) | |
238 | return; | |
239 | ir->last_gpio = gpio; | |
240 | } | |
241 | ||
242 | /* extract data */ | |
243 | data = ir_extract_bits(gpio, ir->mask_keycode); | |
244 | dprintk(DEVNAME ": irq gpio=0x%x code=%d | %s%s%s\n", | |
245 | gpio, data, | |
246 | ir->polling ? "poll" : "irq", | |
247 | (gpio & ir->mask_keydown) ? " down" : "", | |
248 | (gpio & ir->mask_keyup) ? " up" : ""); | |
249 | ||
250 | if (ir->mask_keydown) { | |
251 | /* bit set on keydown */ | |
252 | if (gpio & ir->mask_keydown) { | |
253 | ir_input_keydown(&ir->input,&ir->ir,data,data); | |
254 | } else { | |
255 | ir_input_nokey(&ir->input,&ir->ir); | |
256 | } | |
257 | ||
258 | } else if (ir->mask_keyup) { | |
259 | /* bit cleared on keydown */ | |
260 | if (0 == (gpio & ir->mask_keyup)) { | |
261 | ir_input_keydown(&ir->input,&ir->ir,data,data); | |
262 | } else { | |
263 | ir_input_nokey(&ir->input,&ir->ir); | |
264 | } | |
265 | ||
266 | } else { | |
267 | /* can't disturgissh keydown/up :-/ */ | |
268 | ir_input_keydown(&ir->input,&ir->ir,data,data); | |
269 | ir_input_nokey(&ir->input,&ir->ir); | |
270 | } | |
271 | } | |
272 | ||
273 | static void ir_irq(struct bttv_sub_device *sub) | |
274 | { | |
275 | struct IR *ir = dev_get_drvdata(&sub->dev); | |
276 | ||
277 | if (!ir->polling) | |
278 | ir_handle_key(ir); | |
279 | } | |
280 | ||
281 | static void ir_timer(unsigned long data) | |
282 | { | |
283 | struct IR *ir = (struct IR*)data; | |
284 | ||
285 | schedule_work(&ir->work); | |
286 | } | |
287 | ||
288 | static void ir_work(void *data) | |
289 | { | |
290 | struct IR *ir = data; | |
291 | unsigned long timeout; | |
292 | ||
293 | ir_handle_key(ir); | |
294 | timeout = jiffies + (ir->polling * HZ / 1000); | |
295 | mod_timer(&ir->timer, timeout); | |
296 | } | |
297 | ||
298 | /* ---------------------------------------------------------------------- */ | |
299 | ||
300 | static int ir_probe(struct device *dev) | |
301 | { | |
302 | struct bttv_sub_device *sub = to_bttv_sub_dev(dev); | |
303 | struct IR *ir; | |
304 | IR_KEYTAB_TYPE *ir_codes = NULL; | |
305 | int ir_type = IR_TYPE_OTHER; | |
306 | ||
307 | ir = kmalloc(sizeof(*ir),GFP_KERNEL); | |
308 | if (NULL == ir) | |
309 | return -ENOMEM; | |
310 | memset(ir,0,sizeof(*ir)); | |
311 | ||
312 | /* detect & configure */ | |
313 | switch (sub->core->type) { | |
314 | case BTTV_AVERMEDIA: | |
315 | case BTTV_AVPHONE98: | |
316 | case BTTV_AVERMEDIA98: | |
317 | ir_codes = ir_codes_avermedia; | |
318 | ir->mask_keycode = 0xf88000; | |
319 | ir->mask_keydown = 0x010000; | |
320 | ir->polling = 50; // ms | |
321 | break; | |
322 | ||
323 | case BTTV_AVDVBT_761: | |
324 | case BTTV_AVDVBT_771: | |
325 | ir_codes = ir_codes_avermedia_dvbt; | |
326 | ir->mask_keycode = 0x0f00c0; | |
327 | ir->mask_keydown = 0x000020; | |
328 | ir->polling = 50; // ms | |
329 | break; | |
330 | ||
331 | case BTTV_PXELVWPLTVPAK: | |
332 | ir_codes = ir_codes_pixelview; | |
333 | ir->mask_keycode = 0x003e00; | |
334 | ir->mask_keyup = 0x010000; | |
335 | ir->polling = 50; // ms | |
336 | break; | |
337 | case BTTV_PV_BT878P_9B: | |
338 | case BTTV_PV_BT878P_PLUS: | |
339 | ir_codes = ir_codes_pixelview; | |
340 | ir->mask_keycode = 0x001f00; | |
341 | ir->mask_keyup = 0x008000; | |
342 | ir->polling = 50; // ms | |
343 | break; | |
344 | ||
345 | case BTTV_WINFAST2000: | |
346 | ir_codes = ir_codes_winfast; | |
347 | ir->mask_keycode = 0x1f8; | |
348 | break; | |
349 | case BTTV_MAGICTVIEW061: | |
350 | case BTTV_MAGICTVIEW063: | |
351 | ir_codes = ir_codes_winfast; | |
352 | ir->mask_keycode = 0x0008e000; | |
353 | ir->mask_keydown = 0x00200000; | |
354 | break; | |
355 | case BTTV_APAC_VIEWCOMP: | |
356 | ir_codes = ir_codes_apac_viewcomp; | |
357 | ir->mask_keycode = 0x001f00; | |
358 | ir->mask_keyup = 0x008000; | |
359 | ir->polling = 50; // ms | |
360 | break; | |
361 | } | |
362 | if (NULL == ir_codes) { | |
363 | kfree(ir); | |
364 | return -ENODEV; | |
365 | } | |
366 | ||
367 | /* init hardware-specific stuff */ | |
368 | bttv_gpio_inout(sub->core, ir->mask_keycode | ir->mask_keydown, 0); | |
369 | ir->sub = sub; | |
370 | ||
371 | /* init input device */ | |
372 | snprintf(ir->name, sizeof(ir->name), "bttv IR (card=%d)", | |
373 | sub->core->type); | |
374 | snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0", | |
375 | pci_name(sub->core->pci)); | |
376 | ||
377 | ir_input_init(&ir->input, &ir->ir, ir_type, ir_codes); | |
378 | ir->input.name = ir->name; | |
379 | ir->input.phys = ir->phys; | |
380 | ir->input.id.bustype = BUS_PCI; | |
381 | ir->input.id.version = 1; | |
382 | if (sub->core->pci->subsystem_vendor) { | |
383 | ir->input.id.vendor = sub->core->pci->subsystem_vendor; | |
384 | ir->input.id.product = sub->core->pci->subsystem_device; | |
385 | } else { | |
386 | ir->input.id.vendor = sub->core->pci->vendor; | |
387 | ir->input.id.product = sub->core->pci->device; | |
388 | } | |
389 | ||
390 | if (ir->polling) { | |
391 | INIT_WORK(&ir->work, ir_work, ir); | |
392 | init_timer(&ir->timer); | |
393 | ir->timer.function = ir_timer; | |
394 | ir->timer.data = (unsigned long)ir; | |
395 | schedule_work(&ir->work); | |
396 | } | |
397 | ||
398 | /* all done */ | |
399 | dev_set_drvdata(dev,ir); | |
400 | input_register_device(&ir->input); | |
401 | printk(DEVNAME ": %s detected at %s\n",ir->input.name,ir->input.phys); | |
402 | ||
403 | return 0; | |
404 | } | |
405 | ||
406 | static int ir_remove(struct device *dev) | |
407 | { | |
408 | struct IR *ir = dev_get_drvdata(dev); | |
409 | ||
410 | if (ir->polling) { | |
411 | del_timer(&ir->timer); | |
412 | flush_scheduled_work(); | |
413 | } | |
414 | ||
415 | input_unregister_device(&ir->input); | |
416 | kfree(ir); | |
417 | return 0; | |
418 | } | |
419 | ||
420 | /* ---------------------------------------------------------------------- */ | |
421 | ||
422 | MODULE_AUTHOR("Gerd Knorr, Pavel Machek"); | |
423 | MODULE_DESCRIPTION("input driver for bt8x8 gpio IR remote controls"); | |
424 | MODULE_LICENSE("GPL"); | |
425 | ||
426 | static int ir_init(void) | |
427 | { | |
428 | return bttv_sub_register(&driver, "remote"); | |
429 | } | |
430 | ||
431 | static void ir_fini(void) | |
432 | { | |
433 | bttv_sub_unregister(&driver); | |
434 | } | |
435 | ||
436 | module_init(ir_init); | |
437 | module_exit(ir_fini); | |
438 | ||
439 | ||
440 | /* | |
441 | * Local variables: | |
442 | * c-basic-offset: 8 | |
443 | * End: | |
444 | */ |