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> | |
22 | #include <linux/moduleparam.h> | |
23 | #include <linux/init.h> | |
24 | #include <linux/delay.h> | |
25 | #include <linux/sched.h> | |
26 | #include <linux/interrupt.h> | |
27 | #include <linux/input.h> | |
28 | ||
29 | #include "saa7134-reg.h" | |
30 | #include "saa7134.h" | |
31 | ||
32 | static unsigned int disable_ir = 0; | |
33 | module_param(disable_ir, int, 0444); | |
34 | MODULE_PARM_DESC(disable_ir,"disable infrared remote support"); | |
35 | ||
36 | static unsigned int ir_debug = 0; | |
37 | module_param(ir_debug, int, 0644); | |
38 | MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]"); | |
39 | ||
b93eedb6 SP |
40 | static int pinnacle_remote = 0; |
41 | module_param(pinnacle_remote, int, 0644); /* Choose Pinnacle PCTV remote */ | |
42 | MODULE_PARM_DESC(pinnacle_remote, "Specify Pinnacle PCTV remote: 0=coloured, 1=grey (defaults to 0)"); | |
43 | ||
1da177e4 LT |
44 | #define dprintk(fmt, arg...) if (ir_debug) \ |
45 | printk(KERN_DEBUG "%s/ir: " fmt, dev->name , ## arg) | |
ac9cd976 RC |
46 | #define i2cdprintk(fmt, arg...) if (ir_debug) \ |
47 | printk(KERN_DEBUG "%s/ir: " fmt, ir->c.name , ## arg) | |
1da177e4 | 48 | |
ac9cd976 | 49 | /* -------------------- GPIO generic keycode builder -------------------- */ |
1da177e4 LT |
50 | |
51 | static int build_key(struct saa7134_dev *dev) | |
52 | { | |
53 | struct saa7134_ir *ir = dev->remote; | |
54 | u32 gpio, data; | |
55 | ||
56 | /* rising SAA7134_GPIO_GPRESCAN reads the status */ | |
57 | saa_clearb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN); | |
58 | saa_setb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN); | |
59 | ||
60 | gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2); | |
4ac97914 MCC |
61 | if (ir->polling) { |
62 | if (ir->last_gpio == gpio) | |
63 | return 0; | |
64 | ir->last_gpio = gpio; | |
65 | } | |
1da177e4 | 66 | |
4ac97914 | 67 | data = ir_extract_bits(gpio, ir->mask_keycode); |
1da177e4 LT |
68 | dprintk("build_key gpio=0x%x mask=0x%x data=%d\n", |
69 | gpio, ir->mask_keycode, data); | |
70 | ||
0602fbb2 PM |
71 | if (ir->polling) { |
72 | if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) || | |
73 | (ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) { | |
74 | ir_input_keydown(ir->dev, &ir->ir, data, data); | |
75 | } else { | |
76 | ir_input_nokey(ir->dev, &ir->ir); | |
77 | } | |
1da177e4 | 78 | } |
0602fbb2 PM |
79 | else { /* IRQ driven mode - handle key press and release in one go */ |
80 | if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) || | |
81 | (ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) { | |
82 | ir_input_keydown(ir->dev, &ir->ir, data, data); | |
83 | ir_input_nokey(ir->dev, &ir->ir); | |
84 | } | |
85 | } | |
86 | ||
1da177e4 LT |
87 | return 0; |
88 | } | |
89 | ||
ac9cd976 RC |
90 | /* --------------------- Chip specific I2C key builders ----------------- */ |
91 | ||
92 | static int get_key_purpletv(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) | |
93 | { | |
94 | unsigned char b; | |
95 | ||
96 | /* poll IR chip */ | |
97 | if (1 != i2c_master_recv(&ir->c,&b,1)) { | |
98 | i2cdprintk("read error\n"); | |
99 | return -EIO; | |
100 | } | |
101 | ||
102 | /* no button press */ | |
103 | if (b==0) | |
104 | return 0; | |
105 | ||
106 | /* repeating */ | |
107 | if (b & 0x80) | |
108 | return 1; | |
109 | ||
110 | *ir_key = b; | |
111 | *ir_raw = b; | |
112 | return 1; | |
113 | } | |
114 | ||
1da177e4 LT |
115 | void saa7134_input_irq(struct saa7134_dev *dev) |
116 | { | |
4ac97914 | 117 | struct saa7134_ir *ir = dev->remote; |
1da177e4 | 118 | |
4ac97914 | 119 | if (!ir->polling) |
1da177e4 LT |
120 | build_key(dev); |
121 | } | |
122 | ||
123 | static void saa7134_input_timer(unsigned long data) | |
124 | { | |
125 | struct saa7134_dev *dev = (struct saa7134_dev*)data; | |
126 | struct saa7134_ir *ir = dev->remote; | |
127 | unsigned long timeout; | |
128 | ||
129 | build_key(dev); | |
130 | timeout = jiffies + (ir->polling * HZ / 1000); | |
131 | mod_timer(&ir->timer, timeout); | |
132 | } | |
133 | ||
b07b4783 DT |
134 | static void saa7134_ir_start(struct saa7134_dev *dev, struct saa7134_ir *ir) |
135 | { | |
136 | if (ir->polling) { | |
137 | init_timer(&ir->timer); | |
138 | ir->timer.function = saa7134_input_timer; | |
139 | ir->timer.data = (unsigned long)dev; | |
140 | ir->timer.expires = jiffies + HZ; | |
141 | add_timer(&ir->timer); | |
142 | } | |
143 | } | |
144 | ||
145 | static void saa7134_ir_stop(struct saa7134_dev *dev) | |
146 | { | |
147 | if (dev->remote->polling) | |
148 | del_timer_sync(&dev->remote->timer); | |
149 | } | |
150 | ||
1da177e4 LT |
151 | int saa7134_input_init1(struct saa7134_dev *dev) |
152 | { | |
153 | struct saa7134_ir *ir; | |
b7df3910 | 154 | struct input_dev *input_dev; |
1da177e4 LT |
155 | IR_KEYTAB_TYPE *ir_codes = NULL; |
156 | u32 mask_keycode = 0; | |
157 | u32 mask_keydown = 0; | |
158 | u32 mask_keyup = 0; | |
159 | int polling = 0; | |
160 | int ir_type = IR_TYPE_OTHER; | |
b07b4783 | 161 | int err; |
1da177e4 | 162 | |
cb2444df | 163 | if (dev->has_remote != SAA7134_REMOTE_GPIO) |
1da177e4 LT |
164 | return -ENODEV; |
165 | if (disable_ir) | |
166 | return -ENODEV; | |
167 | ||
168 | /* detect & configure */ | |
169 | switch (dev->board) { | |
170 | case SAA7134_BOARD_FLYVIDEO2000: | |
171 | case SAA7134_BOARD_FLYVIDEO3000: | |
4ac97914 | 172 | case SAA7134_BOARD_FLYTVPLATINUM_FM: |
6af90ab5 | 173 | case SAA7134_BOARD_FLYTVPLATINUM_MINI2: |
4c0f631e | 174 | ir_codes = ir_codes_flyvideo; |
1da177e4 LT |
175 | mask_keycode = 0xEC00000; |
176 | mask_keydown = 0x0040000; | |
177 | break; | |
178 | case SAA7134_BOARD_CINERGY400: | |
179 | case SAA7134_BOARD_CINERGY600: | |
180 | case SAA7134_BOARD_CINERGY600_MK3: | |
4c0f631e | 181 | ir_codes = ir_codes_cinergy; |
1da177e4 LT |
182 | mask_keycode = 0x00003f; |
183 | mask_keyup = 0x040000; | |
184 | break; | |
185 | case SAA7134_BOARD_ECS_TVP3XP: | |
186 | case SAA7134_BOARD_ECS_TVP3XP_4CB5: | |
4c0f631e | 187 | ir_codes = ir_codes_eztv; |
330a115a MCC |
188 | mask_keycode = 0x00017c; |
189 | mask_keyup = 0x000002; | |
1da177e4 | 190 | polling = 50; // ms |
330a115a MCC |
191 | break; |
192 | case SAA7134_BOARD_KWORLD_XPERT: | |
1da177e4 | 193 | case SAA7134_BOARD_AVACSSMARTTV: |
b639f9d2 | 194 | ir_codes = ir_codes_pixelview; |
1da177e4 LT |
195 | mask_keycode = 0x00001F; |
196 | mask_keyup = 0x000020; | |
197 | polling = 50; // ms | |
198 | break; | |
199 | case SAA7134_BOARD_MD2819: | |
ac19ecc6 | 200 | case SAA7134_BOARD_KWORLD_VSTREAM_XPERT: |
1da177e4 LT |
201 | case SAA7134_BOARD_AVERMEDIA_305: |
202 | case SAA7134_BOARD_AVERMEDIA_307: | |
ac19ecc6 MCC |
203 | case SAA7134_BOARD_AVERMEDIA_STUDIO_305: |
204 | case SAA7134_BOARD_AVERMEDIA_STUDIO_307: | |
3ac706d2 | 205 | case SAA7134_BOARD_AVERMEDIA_STUDIO_507: |
ac19ecc6 | 206 | case SAA7134_BOARD_AVERMEDIA_GO_007_FM: |
b639f9d2 | 207 | ir_codes = ir_codes_avermedia; |
1da177e4 LT |
208 | mask_keycode = 0x0007C8; |
209 | mask_keydown = 0x000010; | |
210 | polling = 50; // ms | |
211 | /* Set GPIO pin2 to high to enable the IR controller */ | |
212 | saa_setb(SAA7134_GPIO_GPMODE0, 0x4); | |
213 | saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4); | |
214 | break; | |
450efcfd | 215 | case SAA7134_BOARD_AVERMEDIA_777: |
29e0f1a1 | 216 | case SAA7134_BOARD_AVERMEDIA_A16AR: |
450efcfd | 217 | ir_codes = ir_codes_avermedia; |
218 | mask_keycode = 0x02F200; | |
219 | mask_keydown = 0x000400; | |
220 | polling = 50; // ms | |
221 | /* Without this we won't receive key up events */ | |
222 | saa_setb(SAA7134_GPIO_GPMODE1, 0x1); | |
223 | saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1); | |
4dd7406e | 224 | break; |
4ac97914 | 225 | case SAA7134_BOARD_KWORLD_TERMINATOR: |
b639f9d2 | 226 | ir_codes = ir_codes_pixelview; |
dc2286cf JW |
227 | mask_keycode = 0x00001f; |
228 | mask_keyup = 0x000060; | |
229 | polling = 50; // ms | |
230 | break; | |
ac19ecc6 MCC |
231 | case SAA7134_BOARD_MANLI_MTV001: |
232 | case SAA7134_BOARD_MANLI_MTV002: | |
a8ff417e | 233 | case SAA7134_BOARD_BEHOLD_409FM: |
4c0f631e | 234 | ir_codes = ir_codes_manli; |
ac19ecc6 MCC |
235 | mask_keycode = 0x001f00; |
236 | mask_keyup = 0x004000; | |
ac19ecc6 MCC |
237 | polling = 50; // ms |
238 | break; | |
17ce1ff9 | 239 | case SAA7134_BOARD_SEDNA_PC_TV_CARDBUS: |
4c0f631e | 240 | ir_codes = ir_codes_pctv_sedna; |
c3d93192 PM |
241 | mask_keycode = 0x001f00; |
242 | mask_keyup = 0x004000; | |
243 | polling = 50; // ms | |
244 | break; | |
4ac97914 | 245 | case SAA7134_BOARD_GOTVIEW_7135: |
4c0f631e | 246 | ir_codes = ir_codes_gotview7135; |
6b961440 NS |
247 | mask_keycode = 0x0003EC; |
248 | mask_keyup = 0x008000; | |
249 | mask_keydown = 0x000010; | |
250 | polling = 50; // ms | |
251 | break; | |
1da177e4 | 252 | case SAA7134_BOARD_VIDEOMATE_TV_PVR: |
2a9a9a84 | 253 | case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS: |
330a115a | 254 | case SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII: |
4c0f631e | 255 | ir_codes = ir_codes_videomate_tv_pvr; |
1da177e4 LT |
256 | mask_keycode = 0x00003F; |
257 | mask_keyup = 0x400000; | |
258 | polling = 50; // ms | |
259 | break; | |
b04c1baf MM |
260 | case SAA7134_BOARD_PROTEUS_2309: |
261 | ir_codes = ir_codes_proteus_2309; | |
262 | mask_keycode = 0x00007F; | |
263 | mask_keyup = 0x000080; | |
264 | polling = 50; // ms | |
265 | break; | |
4ac97914 MCC |
266 | case SAA7134_BOARD_VIDEOMATE_DVBT_300: |
267 | case SAA7134_BOARD_VIDEOMATE_DVBT_200: | |
4c0f631e | 268 | ir_codes = ir_codes_videomate_tv_pvr; |
fea095fe NS |
269 | mask_keycode = 0x003F00; |
270 | mask_keyup = 0x040000; | |
271 | break; | |
3d8466ec | 272 | case SAA7134_BOARD_FLYDVBT_LR301: |
a8029170 | 273 | case SAA7134_BOARD_FLYDVBTDUO: |
3d8466ec GG |
274 | ir_codes = ir_codes_flydvb; |
275 | mask_keycode = 0x0001F00; | |
276 | mask_keydown = 0x0040000; | |
277 | break; | |
1da177e4 LT |
278 | } |
279 | if (NULL == ir_codes) { | |
280 | printk("%s: Oops: IR config error [card=%d]\n", | |
281 | dev->name, dev->board); | |
282 | return -ENODEV; | |
283 | } | |
284 | ||
b7df3910 DT |
285 | ir = kzalloc(sizeof(*ir), GFP_KERNEL); |
286 | input_dev = input_allocate_device(); | |
287 | if (!ir || !input_dev) { | |
b07b4783 DT |
288 | err = -ENOMEM; |
289 | goto err_out_free; | |
b7df3910 | 290 | } |
1da177e4 | 291 | |
d271d1c2 DT |
292 | ir->dev = input_dev; |
293 | ||
1da177e4 LT |
294 | /* init hardware-specific stuff */ |
295 | ir->mask_keycode = mask_keycode; | |
296 | ir->mask_keydown = mask_keydown; | |
297 | ir->mask_keyup = mask_keyup; | |
4ac97914 | 298 | ir->polling = polling; |
1da177e4 LT |
299 | |
300 | /* init input device */ | |
301 | snprintf(ir->name, sizeof(ir->name), "saa7134 IR (%s)", | |
302 | saa7134_boards[dev->board].name); | |
303 | snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0", | |
304 | pci_name(dev->pci)); | |
305 | ||
b7df3910 DT |
306 | ir_input_init(input_dev, &ir->ir, ir_type, ir_codes); |
307 | input_dev->name = ir->name; | |
308 | input_dev->phys = ir->phys; | |
309 | input_dev->id.bustype = BUS_PCI; | |
310 | input_dev->id.version = 1; | |
1da177e4 | 311 | if (dev->pci->subsystem_vendor) { |
b7df3910 DT |
312 | input_dev->id.vendor = dev->pci->subsystem_vendor; |
313 | input_dev->id.product = dev->pci->subsystem_device; | |
1da177e4 | 314 | } else { |
b7df3910 DT |
315 | input_dev->id.vendor = dev->pci->vendor; |
316 | input_dev->id.product = dev->pci->device; | |
1da177e4 | 317 | } |
b7df3910 | 318 | input_dev->cdev.dev = &dev->pci->dev; |
1da177e4 | 319 | |
1da177e4 | 320 | dev->remote = ir; |
b07b4783 DT |
321 | saa7134_ir_start(dev, ir); |
322 | ||
323 | err = input_register_device(ir->dev); | |
324 | if (err) | |
325 | goto err_out_stop; | |
1da177e4 | 326 | |
1da177e4 | 327 | return 0; |
b07b4783 DT |
328 | |
329 | err_out_stop: | |
330 | saa7134_ir_stop(dev); | |
331 | dev->remote = NULL; | |
332 | err_out_free: | |
333 | input_free_device(input_dev); | |
334 | kfree(ir); | |
335 | return err; | |
1da177e4 LT |
336 | } |
337 | ||
338 | void saa7134_input_fini(struct saa7134_dev *dev) | |
339 | { | |
340 | if (NULL == dev->remote) | |
341 | return; | |
342 | ||
b07b4783 | 343 | saa7134_ir_stop(dev); |
b7df3910 | 344 | input_unregister_device(dev->remote->dev); |
1da177e4 LT |
345 | kfree(dev->remote); |
346 | dev->remote = NULL; | |
347 | } | |
348 | ||
ac9cd976 RC |
349 | void saa7134_set_i2c_ir(struct saa7134_dev *dev, struct IR_i2c *ir) |
350 | { | |
351 | if (disable_ir) { | |
cb2444df | 352 | dprintk("Found supported i2c remote, but IR has been disabled\n"); |
ac9cd976 RC |
353 | ir->get_key=NULL; |
354 | return; | |
355 | } | |
356 | ||
357 | switch (dev->board) { | |
358 | case SAA7134_BOARD_PINNACLE_PCTV_110i: | |
eb591af3 | 359 | case SAA7134_BOARD_PINNACLE_PCTV_310i: |
ac9cd976 | 360 | snprintf(ir->c.name, sizeof(ir->c.name), "Pinnacle PCTV"); |
b93eedb6 SP |
361 | if (pinnacle_remote == 0) { |
362 | ir->get_key = get_key_pinnacle_color; | |
363 | ir->ir_codes = ir_codes_pinnacle_color; | |
364 | } else { | |
365 | ir->get_key = get_key_pinnacle_grey; | |
366 | ir->ir_codes = ir_codes_pinnacle_grey; | |
367 | } | |
ac9cd976 RC |
368 | break; |
369 | case SAA7134_BOARD_UPMOST_PURPLE_TV: | |
370 | snprintf(ir->c.name, sizeof(ir->c.name), "Purple TV"); | |
371 | ir->get_key = get_key_purpletv; | |
372 | ir->ir_codes = ir_codes_purpletv; | |
373 | break; | |
374 | default: | |
375 | dprintk("Shouldn't get here: Unknown board %x for I2C IR?\n",dev->board); | |
376 | break; | |
377 | } | |
378 | ||
379 | } | |
1da177e4 LT |
380 | /* ---------------------------------------------------------------------- |
381 | * Local variables: | |
382 | * c-basic-offset: 8 | |
383 | * End: | |
384 | */ |