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Commit | Line | Data |
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1da177e4 | 1 | /* |
1da177e4 LT |
2 | * |
3 | * Device driver for GPIO attached remote control interfaces | |
4 | * on Conexant 2388x based TV/DVB cards. | |
5 | * | |
6 | * Copyright (c) 2003 Pavel Machek | |
7 | * Copyright (c) 2004 Gerd Knorr | |
fc40b261 | 8 | * Copyright (c) 2004, 2005 Chris Pascoe |
1da177e4 LT |
9 | * |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2 of the License, or | |
13 | * (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
23 | */ | |
24 | ||
25 | #include <linux/init.h> | |
3c1c48bb | 26 | #include <linux/hrtimer.h> |
1da177e4 | 27 | #include <linux/pci.h> |
5a0e3ad6 | 28 | #include <linux/slab.h> |
1da177e4 | 29 | #include <linux/module.h> |
1da177e4 | 30 | |
1da177e4 | 31 | #include "cx88.h" |
6bda9644 | 32 | #include <media/rc-core.h> |
1da177e4 | 33 | |
727e625c MCC |
34 | #define MODULE_NAME "cx88xx" |
35 | ||
1da177e4 LT |
36 | /* ---------------------------------------------------------------------- */ |
37 | ||
1da177e4 | 38 | struct cx88_IR { |
41ef7c1e | 39 | struct cx88_core *core; |
d8b4b582 | 40 | struct rc_dev *dev; |
92f4fc10 MCC |
41 | |
42 | int users; | |
43 | ||
41ef7c1e MCC |
44 | char name[32]; |
45 | char phys[32]; | |
1da177e4 LT |
46 | |
47 | /* sample from gpio pin 16 */ | |
fc40b261 | 48 | u32 sampling; |
1da177e4 LT |
49 | |
50 | /* poll external decoder */ | |
41ef7c1e | 51 | int polling; |
3c1c48bb | 52 | struct hrtimer timer; |
41ef7c1e MCC |
53 | u32 gpio_addr; |
54 | u32 last_gpio; | |
55 | u32 mask_keycode; | |
56 | u32 mask_keydown; | |
57 | u32 mask_keyup; | |
1da177e4 LT |
58 | }; |
59 | ||
2997137b DH |
60 | static unsigned ir_samplerate = 4; |
61 | module_param(ir_samplerate, uint, 0444); | |
62 | MODULE_PARM_DESC(ir_samplerate, "IR samplerate in kHz, 1 - 20, default 4"); | |
63 | ||
ff699e6b | 64 | static int ir_debug; |
41ef7c1e | 65 | module_param(ir_debug, int, 0644); /* debug level [IR] */ |
1da177e4 LT |
66 | MODULE_PARM_DESC(ir_debug, "enable debug messages [IR]"); |
67 | ||
68 | #define ir_dprintk(fmt, arg...) if (ir_debug) \ | |
e52e98a7 | 69 | printk(KERN_DEBUG "%s IR: " fmt , ir->core->name , ##arg) |
1da177e4 LT |
70 | |
71 | /* ---------------------------------------------------------------------- */ | |
72 | ||
73 | static void cx88_ir_handle_key(struct cx88_IR *ir) | |
74 | { | |
75 | struct cx88_core *core = ir->core; | |
680543c5 | 76 | u32 gpio, data, auxgpio; |
1da177e4 LT |
77 | |
78 | /* read gpio value */ | |
79 | gpio = cx_read(ir->gpio_addr); | |
6a59d64c | 80 | switch (core->boardnr) { |
829ea964 | 81 | case CX88_BOARD_NPGTECH_REALTV_TOP10FM: |
680543c5 RC |
82 | /* This board apparently uses a combination of 2 GPIO |
83 | to represent the keys. Additionally, the second GPIO | |
84 | can be used for parity. | |
85 | ||
86 | Example: | |
87 | ||
88 | for key "5" | |
89 | gpio = 0x758, auxgpio = 0xe5 or 0xf5 | |
90 | for key "Power" | |
91 | gpio = 0x758, auxgpio = 0xed or 0xfd | |
92 | */ | |
93 | ||
94 | auxgpio = cx_read(MO_GP1_IO); | |
95 | /* Take out the parity part */ | |
a62c61d3 | 96 | gpio=(gpio & 0x7fd) + (auxgpio & 0xef); |
829ea964 MK |
97 | break; |
98 | case CX88_BOARD_WINFAST_DTV1000: | |
3047a176 | 99 | case CX88_BOARD_WINFAST_DTV1800H: |
3e9a4897 | 100 | case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL: |
e7d11ecb EP |
101 | gpio = (gpio & 0x6ff) | ((cx_read(MO_GP1_IO) << 8) & 0x900); |
102 | auxgpio = gpio; | |
829ea964 MK |
103 | break; |
104 | default: | |
680543c5 | 105 | auxgpio = gpio; |
829ea964 | 106 | } |
1da177e4 | 107 | if (ir->polling) { |
680543c5 | 108 | if (ir->last_gpio == auxgpio) |
1da177e4 | 109 | return; |
680543c5 | 110 | ir->last_gpio = auxgpio; |
1da177e4 LT |
111 | } |
112 | ||
113 | /* extract data */ | |
114 | data = ir_extract_bits(gpio, ir->mask_keycode); | |
115 | ir_dprintk("irq gpio=0x%x code=%d | %s%s%s\n", | |
41ef7c1e MCC |
116 | gpio, data, |
117 | ir->polling ? "poll" : "irq", | |
118 | (gpio & ir->mask_keydown) ? " down" : "", | |
119 | (gpio & ir->mask_keyup) ? " up" : ""); | |
1da177e4 | 120 | |
6a59d64c | 121 | if (ir->core->boardnr == CX88_BOARD_NORWOOD_MICRO) { |
d1009bd7 PN |
122 | u32 gpio_key = cx_read(MO_GP0_IO); |
123 | ||
124 | data = (data << 4) | ((gpio_key & 0xf0) >> 4); | |
125 | ||
ca86674b | 126 | rc_keydown(ir->dev, data, 0); |
d1009bd7 PN |
127 | |
128 | } else if (ir->mask_keydown) { | |
1da177e4 | 129 | /* bit set on keydown */ |
3bbd3f2d | 130 | if (gpio & ir->mask_keydown) |
ca86674b | 131 | rc_keydown_notimeout(ir->dev, data, 0); |
62c65031 | 132 | else |
ca86674b | 133 | rc_keyup(ir->dev); |
1da177e4 LT |
134 | |
135 | } else if (ir->mask_keyup) { | |
136 | /* bit cleared on keydown */ | |
3bbd3f2d | 137 | if (0 == (gpio & ir->mask_keyup)) |
ca86674b | 138 | rc_keydown_notimeout(ir->dev, data, 0); |
62c65031 | 139 | else |
ca86674b | 140 | rc_keyup(ir->dev); |
1da177e4 LT |
141 | |
142 | } else { | |
143 | /* can't distinguish keydown/up :-/ */ | |
ca86674b MCC |
144 | rc_keydown_notimeout(ir->dev, data, 0); |
145 | rc_keyup(ir->dev); | |
1da177e4 LT |
146 | } |
147 | } | |
148 | ||
3c1c48bb | 149 | static enum hrtimer_restart cx88_ir_work(struct hrtimer *timer) |
1da177e4 | 150 | { |
3c1c48bb AH |
151 | unsigned long missed; |
152 | struct cx88_IR *ir = container_of(timer, struct cx88_IR, timer); | |
1da177e4 LT |
153 | |
154 | cx88_ir_handle_key(ir); | |
3c1c48bb AH |
155 | missed = hrtimer_forward_now(&ir->timer, |
156 | ktime_set(0, ir->polling * 1000000)); | |
157 | if (missed > 1) | |
158 | ir_dprintk("Missed ticks %ld\n", missed - 1); | |
159 | ||
160 | return HRTIMER_RESTART; | |
1da177e4 LT |
161 | } |
162 | ||
92f4fc10 | 163 | static int __cx88_ir_start(void *priv) |
b07b4783 | 164 | { |
92f4fc10 MCC |
165 | struct cx88_core *core = priv; |
166 | struct cx88_IR *ir; | |
167 | ||
168 | if (!core || !core->ir) | |
169 | return -EINVAL; | |
170 | ||
171 | ir = core->ir; | |
172 | ||
b07b4783 | 173 | if (ir->polling) { |
3c1c48bb AH |
174 | hrtimer_init(&ir->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); |
175 | ir->timer.function = cx88_ir_work; | |
176 | hrtimer_start(&ir->timer, | |
177 | ktime_set(0, ir->polling * 1000000), | |
178 | HRTIMER_MODE_REL); | |
b07b4783 DT |
179 | } |
180 | if (ir->sampling) { | |
8ddac9ee | 181 | core->pci_irqmask |= PCI_INT_IR_SMPINT; |
2997137b DH |
182 | cx_write(MO_DDS_IO, 0x33F286 * ir_samplerate); /* samplerate */ |
183 | cx_write(MO_DDSCFG_IO, 0x5); /* enable */ | |
b07b4783 | 184 | } |
92f4fc10 | 185 | return 0; |
b07b4783 DT |
186 | } |
187 | ||
92f4fc10 | 188 | static void __cx88_ir_stop(void *priv) |
b07b4783 | 189 | { |
92f4fc10 MCC |
190 | struct cx88_core *core = priv; |
191 | struct cx88_IR *ir; | |
192 | ||
193 | if (!core || !core->ir) | |
194 | return; | |
195 | ||
196 | ir = core->ir; | |
b07b4783 DT |
197 | if (ir->sampling) { |
198 | cx_write(MO_DDSCFG_IO, 0x0); | |
8ddac9ee | 199 | core->pci_irqmask &= ~PCI_INT_IR_SMPINT; |
b07b4783 DT |
200 | } |
201 | ||
569b7ec7 | 202 | if (ir->polling) |
3c1c48bb | 203 | hrtimer_cancel(&ir->timer); |
b07b4783 DT |
204 | } |
205 | ||
92f4fc10 MCC |
206 | int cx88_ir_start(struct cx88_core *core) |
207 | { | |
208 | if (core->ir->users) | |
209 | return __cx88_ir_start(core); | |
210 | ||
211 | return 0; | |
212 | } | |
213 | ||
214 | void cx88_ir_stop(struct cx88_core *core) | |
215 | { | |
216 | if (core->ir->users) | |
217 | __cx88_ir_stop(core); | |
218 | } | |
219 | ||
d8b4b582 | 220 | static int cx88_ir_open(struct rc_dev *rc) |
92f4fc10 | 221 | { |
d8b4b582 | 222 | struct cx88_core *core = rc->priv; |
92f4fc10 MCC |
223 | |
224 | core->ir->users++; | |
225 | return __cx88_ir_start(core); | |
226 | } | |
227 | ||
d8b4b582 | 228 | static void cx88_ir_close(struct rc_dev *rc) |
92f4fc10 | 229 | { |
d8b4b582 | 230 | struct cx88_core *core = rc->priv; |
92f4fc10 MCC |
231 | |
232 | core->ir->users--; | |
233 | if (!core->ir->users) | |
234 | __cx88_ir_stop(core); | |
235 | } | |
236 | ||
1da177e4 LT |
237 | /* ---------------------------------------------------------------------- */ |
238 | ||
239 | int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci) | |
240 | { | |
241 | struct cx88_IR *ir; | |
d8b4b582 | 242 | struct rc_dev *dev; |
02858eed | 243 | char *ir_codes = NULL; |
52b66144 | 244 | u64 rc_type = RC_TYPE_OTHER; |
b07b4783 | 245 | int err = -ENOMEM; |
9dfe4e83 MCC |
246 | u32 hardware_mask = 0; /* For devices with a hardware mask, when |
247 | * used with a full-code IR table | |
248 | */ | |
1da177e4 | 249 | |
b7df3910 | 250 | ir = kzalloc(sizeof(*ir), GFP_KERNEL); |
d8b4b582 DH |
251 | dev = rc_allocate_device(); |
252 | if (!ir || !dev) | |
b07b4783 | 253 | goto err_out_free; |
b7df3910 | 254 | |
d8b4b582 | 255 | ir->dev = dev; |
1da177e4 LT |
256 | |
257 | /* detect & configure */ | |
6a59d64c | 258 | switch (core->boardnr) { |
1da177e4 | 259 | case CX88_BOARD_DNTV_LIVE_DVB_T: |
b45009b0 | 260 | case CX88_BOARD_KWORLD_DVB_T: |
28ecc449 | 261 | case CX88_BOARD_KWORLD_DVB_T_CX22702: |
02858eed | 262 | ir_codes = RC_MAP_DNTV_LIVE_DVB_T; |
41ef7c1e | 263 | ir->gpio_addr = MO_GP1_IO; |
1da177e4 | 264 | ir->mask_keycode = 0x1f; |
41ef7c1e MCC |
265 | ir->mask_keyup = 0x60; |
266 | ir->polling = 50; /* ms */ | |
1da177e4 | 267 | break; |
e52e98a7 | 268 | case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1: |
02858eed | 269 | ir_codes = RC_MAP_CINERGY_1400; |
fc40b261 | 270 | ir->sampling = 0xeb04; /* address */ |
e52e98a7 | 271 | break; |
1da177e4 LT |
272 | case CX88_BOARD_HAUPPAUGE: |
273 | case CX88_BOARD_HAUPPAUGE_DVB_T1: | |
fb56cb65 ST |
274 | case CX88_BOARD_HAUPPAUGE_NOVASE2_S1: |
275 | case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1: | |
611900c1 | 276 | case CX88_BOARD_HAUPPAUGE_HVR1100: |
76dc82ab | 277 | case CX88_BOARD_HAUPPAUGE_HVR3000: |
5bd1b663 ST |
278 | case CX88_BOARD_HAUPPAUGE_HVR4000: |
279 | case CX88_BOARD_HAUPPAUGE_HVR4000LITE: | |
f1735bb2 EB |
280 | case CX88_BOARD_PCHDTV_HD3000: |
281 | case CX88_BOARD_PCHDTV_HD5500: | |
501d8cd4 | 282 | case CX88_BOARD_HAUPPAUGE_IRONLY: |
02858eed | 283 | ir_codes = RC_MAP_HAUPPAUGE_NEW; |
41ef7c1e | 284 | ir->sampling = 1; |
1da177e4 | 285 | break; |
2de873e6 | 286 | case CX88_BOARD_WINFAST_DTV2000H: |
4d14c833 | 287 | case CX88_BOARD_WINFAST_DTV2000H_J: |
3047a176 | 288 | case CX88_BOARD_WINFAST_DTV1800H: |
02858eed | 289 | ir_codes = RC_MAP_WINFAST; |
41ef7c1e | 290 | ir->gpio_addr = MO_GP0_IO; |
1da177e4 | 291 | ir->mask_keycode = 0x8f8; |
41ef7c1e | 292 | ir->mask_keyup = 0x100; |
2de873e6 | 293 | ir->polling = 50; /* ms */ |
1da177e4 | 294 | break; |
ff97d93d | 295 | case CX88_BOARD_WINFAST2000XP_EXPERT: |
e7d11ecb | 296 | case CX88_BOARD_WINFAST_DTV1000: |
3e9a4897 | 297 | case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL: |
02858eed | 298 | ir_codes = RC_MAP_WINFAST; |
ff97d93d HP |
299 | ir->gpio_addr = MO_GP0_IO; |
300 | ir->mask_keycode = 0x8f8; | |
301 | ir->mask_keyup = 0x100; | |
302 | ir->polling = 1; /* ms */ | |
303 | break; | |
1da177e4 | 304 | case CX88_BOARD_IODATA_GVBCTV7E: |
02858eed | 305 | ir_codes = RC_MAP_IODATA_BCTV7E; |
41ef7c1e | 306 | ir->gpio_addr = MO_GP0_IO; |
1da177e4 LT |
307 | ir->mask_keycode = 0xfd; |
308 | ir->mask_keydown = 0x02; | |
41ef7c1e | 309 | ir->polling = 5; /* ms */ |
1da177e4 | 310 | break; |
ff97d93d | 311 | case CX88_BOARD_PROLINK_PLAYTVPVR: |
239df2e2 | 312 | case CX88_BOARD_PIXELVIEW_PLAYTV_ULTRA_PRO: |
9dfe4e83 MCC |
313 | /* |
314 | * It seems that this hardware is paired with NEC extended | |
315 | * address 0x866b. So, unfortunately, its usage with other | |
316 | * IR's with different address won't work. Still, there are | |
317 | * other IR's from the same manufacturer that works, like the | |
318 | * 002-T mini RC, provided with newer PV hardware | |
319 | */ | |
320 | ir_codes = RC_MAP_PIXELVIEW_MK12; | |
41ef7c1e | 321 | ir->gpio_addr = MO_GP1_IO; |
41ef7c1e | 322 | ir->mask_keyup = 0x80; |
26d5683d | 323 | ir->polling = 10; /* ms */ |
9dfe4e83 | 324 | hardware_mask = 0x3f; /* Hardware returns only 6 bits from command part */ |
239df2e2 | 325 | break; |
7f0dd179 | 326 | case CX88_BOARD_PROLINK_PV_8000GT: |
a31d2bb7 | 327 | case CX88_BOARD_PROLINK_PV_GLOBAL_XTREME: |
02858eed | 328 | ir_codes = RC_MAP_PIXELVIEW_NEW; |
7f0dd179 MCC |
329 | ir->gpio_addr = MO_GP1_IO; |
330 | ir->mask_keycode = 0x3f; | |
331 | ir->mask_keyup = 0x80; | |
332 | ir->polling = 1; /* ms */ | |
333 | break; | |
b639f9d2 | 334 | case CX88_BOARD_KWORLD_LTV883: |
02858eed | 335 | ir_codes = RC_MAP_PIXELVIEW; |
b639f9d2 NS |
336 | ir->gpio_addr = MO_GP1_IO; |
337 | ir->mask_keycode = 0x1f; | |
338 | ir->mask_keyup = 0x60; | |
339 | ir->polling = 1; /* ms */ | |
340 | break; | |
a82decf6 | 341 | case CX88_BOARD_ADSTECH_DVB_T_PCI: |
02858eed | 342 | ir_codes = RC_MAP_ADSTECH_DVB_T_PCI; |
41ef7c1e | 343 | ir->gpio_addr = MO_GP1_IO; |
a82decf6 | 344 | ir->mask_keycode = 0xbf; |
41ef7c1e MCC |
345 | ir->mask_keyup = 0x40; |
346 | ir->polling = 50; /* ms */ | |
347 | break; | |
348 | case CX88_BOARD_MSI_TVANYWHERE_MASTER: | |
02858eed | 349 | ir_codes = RC_MAP_MSI_TVANYWHERE; |
41ef7c1e MCC |
350 | ir->gpio_addr = MO_GP1_IO; |
351 | ir->mask_keycode = 0x1f; | |
352 | ir->mask_keyup = 0x40; | |
353 | ir->polling = 1; /* ms */ | |
a82decf6 | 354 | break; |
899ad11b | 355 | case CX88_BOARD_AVERTV_303: |
565f4949 | 356 | case CX88_BOARD_AVERTV_STUDIO_303: |
02858eed | 357 | ir_codes = RC_MAP_AVERTV_303; |
899ad11b GG |
358 | ir->gpio_addr = MO_GP2_IO; |
359 | ir->mask_keycode = 0xfb; | |
360 | ir->mask_keydown = 0x02; | |
361 | ir->polling = 50; /* ms */ | |
362 | break; | |
d8d86225 IL |
363 | case CX88_BOARD_OMICOM_SS4_PCI: |
364 | case CX88_BOARD_SATTRADE_ST4200: | |
365 | case CX88_BOARD_TBS_8920: | |
366 | case CX88_BOARD_TBS_8910: | |
367 | case CX88_BOARD_PROF_7300: | |
b699c271 | 368 | case CX88_BOARD_PROF_7301: |
d8d86225 | 369 | case CX88_BOARD_PROF_6200: |
02858eed | 370 | ir_codes = RC_MAP_TBS_NEC; |
d8d86225 IL |
371 | ir->sampling = 0xff00; /* address */ |
372 | break; | |
373 | case CX88_BOARD_TEVII_S460: | |
374 | case CX88_BOARD_TEVII_S420: | |
02858eed | 375 | ir_codes = RC_MAP_TEVII_NEC; |
d8d86225 IL |
376 | ir->sampling = 0xff00; /* address */ |
377 | break; | |
fc40b261 | 378 | case CX88_BOARD_DNTV_LIVE_DVB_T_PRO: |
02858eed | 379 | ir_codes = RC_MAP_DNTV_LIVE_DVBT_PRO; |
715a2233 | 380 | ir->sampling = 0xff00; /* address */ |
fc40b261 | 381 | break; |
d1009bd7 | 382 | case CX88_BOARD_NORWOOD_MICRO: |
02858eed | 383 | ir_codes = RC_MAP_NORWOOD; |
d1009bd7 PN |
384 | ir->gpio_addr = MO_GP1_IO; |
385 | ir->mask_keycode = 0x0e; | |
386 | ir->mask_keyup = 0x80; | |
387 | ir->polling = 50; /* ms */ | |
388 | break; | |
be4f4519 | 389 | case CX88_BOARD_NPGTECH_REALTV_TOP10FM: |
02858eed | 390 | ir_codes = RC_MAP_NPGTECH; |
715a2233 | 391 | ir->gpio_addr = MO_GP0_IO; |
680543c5 | 392 | ir->mask_keycode = 0xfa; |
715a2233 | 393 | ir->polling = 50; /* ms */ |
680543c5 | 394 | break; |
9121106a | 395 | case CX88_BOARD_PINNACLE_PCTV_HD_800i: |
02858eed | 396 | ir_codes = RC_MAP_PINNACLE_PCTV_HD; |
715a2233 | 397 | ir->sampling = 1; |
9121106a | 398 | break; |
ba928034 | 399 | case CX88_BOARD_POWERCOLOR_REAL_ANGEL: |
02858eed | 400 | ir_codes = RC_MAP_POWERCOLOR_REAL_ANGEL; |
715a2233 | 401 | ir->gpio_addr = MO_GP2_IO; |
ba928034 | 402 | ir->mask_keycode = 0x7e; |
715a2233 | 403 | ir->polling = 100; /* ms */ |
ba928034 | 404 | break; |
111ac84a SI |
405 | case CX88_BOARD_TWINHAN_VP1027_DVBS: |
406 | ir_codes = RC_MAP_TWINHAN_VP1027_DVBS; | |
52b66144 | 407 | rc_type = RC_TYPE_NEC; |
111ac84a SI |
408 | ir->sampling = 0xff00; /* address */ |
409 | break; | |
1da177e4 | 410 | } |
b45009b0 | 411 | |
2997137b | 412 | if (!ir_codes) { |
b07b4783 DT |
413 | err = -ENODEV; |
414 | goto err_out_free; | |
1da177e4 LT |
415 | } |
416 | ||
9dfe4e83 MCC |
417 | /* |
418 | * The usage of mask_keycode were very convenient, due to several | |
419 | * reasons. Among others, the scancode tables were using the scancode | |
420 | * as the index elements. So, the less bits it was used, the smaller | |
421 | * the table were stored. After the input changes, the better is to use | |
422 | * the full scancodes, since it allows replacing the IR remote by | |
423 | * another one. Unfortunately, there are still some hardware, like | |
424 | * Pixelview Ultra Pro, where only part of the scancode is sent via | |
425 | * GPIO. So, there's no way to get the full scancode. Due to that, | |
426 | * hardware_mask were introduced here: it represents those hardware | |
427 | * that has such limits. | |
428 | */ | |
429 | if (hardware_mask && !ir->mask_keycode) | |
430 | ir->mask_keycode = hardware_mask; | |
431 | ||
1da177e4 | 432 | /* init input device */ |
6a59d64c | 433 | snprintf(ir->name, sizeof(ir->name), "cx88 IR (%s)", core->board.name); |
41ef7c1e | 434 | snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0", pci_name(pci)); |
1da177e4 | 435 | |
d8b4b582 DH |
436 | dev->input_name = ir->name; |
437 | dev->input_phys = ir->phys; | |
438 | dev->input_id.bustype = BUS_PCI; | |
439 | dev->input_id.version = 1; | |
1da177e4 | 440 | if (pci->subsystem_vendor) { |
d8b4b582 DH |
441 | dev->input_id.vendor = pci->subsystem_vendor; |
442 | dev->input_id.product = pci->subsystem_device; | |
1da177e4 | 443 | } else { |
d8b4b582 DH |
444 | dev->input_id.vendor = pci->vendor; |
445 | dev->input_id.product = pci->device; | |
1da177e4 | 446 | } |
d8b4b582 DH |
447 | dev->dev.parent = &pci->dev; |
448 | dev->map_name = ir_codes; | |
449 | dev->driver_name = MODULE_NAME; | |
450 | dev->priv = core; | |
451 | dev->open = cx88_ir_open; | |
452 | dev->close = cx88_ir_close; | |
453 | dev->scanmask = hardware_mask; | |
1da177e4 | 454 | |
2997137b | 455 | if (ir->sampling) { |
d8b4b582 DH |
456 | dev->driver_type = RC_DRIVER_IR_RAW; |
457 | dev->timeout = 10 * 1000 * 1000; /* 10 ms */ | |
458 | } else { | |
459 | dev->driver_type = RC_DRIVER_SCANCODE; | |
52b66144 | 460 | dev->allowed_protos = rc_type; |
d8b4b582 DH |
461 | } |
462 | ||
463 | ir->core = core; | |
464 | core->ir = ir; | |
1da177e4 LT |
465 | |
466 | /* all done */ | |
d8b4b582 | 467 | err = rc_register_device(dev); |
b07b4783 | 468 | if (err) |
92f4fc10 | 469 | goto err_out_free; |
1da177e4 LT |
470 | |
471 | return 0; | |
b07b4783 | 472 | |
d8b4b582 DH |
473 | err_out_free: |
474 | rc_free_device(dev); | |
92f4fc10 | 475 | core->ir = NULL; |
b07b4783 DT |
476 | kfree(ir); |
477 | return err; | |
1da177e4 LT |
478 | } |
479 | ||
480 | int cx88_ir_fini(struct cx88_core *core) | |
481 | { | |
482 | struct cx88_IR *ir = core->ir; | |
483 | ||
484 | /* skip detach on non attached boards */ | |
485 | if (NULL == ir) | |
486 | return 0; | |
487 | ||
92f4fc10 | 488 | cx88_ir_stop(core); |
d8b4b582 | 489 | rc_unregister_device(ir->dev); |
1da177e4 LT |
490 | kfree(ir); |
491 | ||
492 | /* done */ | |
493 | core->ir = NULL; | |
494 | return 0; | |
495 | } | |
496 | ||
497 | /* ---------------------------------------------------------------------- */ | |
498 | ||
499 | void cx88_ir_irq(struct cx88_core *core) | |
500 | { | |
501 | struct cx88_IR *ir = core->ir; | |
2997137b DH |
502 | u32 samples; |
503 | unsigned todo, bits; | |
504 | struct ir_raw_event ev; | |
1da177e4 | 505 | |
2997137b | 506 | if (!ir || !ir->sampling) |
1da177e4 LT |
507 | return; |
508 | ||
2997137b DH |
509 | /* |
510 | * Samples are stored in a 32 bit register, oldest sample in | |
511 | * the msb. A set bit represents space and an unset bit | |
512 | * represents a pulse. | |
513 | */ | |
1da177e4 | 514 | samples = cx_read(MO_SAMPLE_IO); |
e52e98a7 | 515 | |
d8b4b582 | 516 | if (samples == 0xff && ir->dev->idle) |
2997137b | 517 | return; |
e52e98a7 | 518 | |
2997137b DH |
519 | init_ir_raw_event(&ev); |
520 | for (todo = 32; todo > 0; todo -= bits) { | |
521 | ev.pulse = samples & 0x80000000 ? false : true; | |
522 | bits = min(todo, 32U - fls(ev.pulse ? samples : ~samples)); | |
523 | ev.duration = (bits * NSEC_PER_SEC) / (1000 * ir_samplerate); | |
d8b4b582 | 524 | ir_raw_event_store_with_filter(ir->dev, &ev); |
2997137b | 525 | samples <<= bits; |
1da177e4 | 526 | } |
d8b4b582 | 527 | ir_raw_event_handle(ir->dev); |
1da177e4 LT |
528 | } |
529 | ||
44243fc2 MCC |
530 | void cx88_i2c_init_ir(struct cx88_core *core) |
531 | { | |
532 | struct i2c_board_info info; | |
533 | const unsigned short addr_list[] = { | |
534 | 0x18, 0x6b, 0x71, | |
535 | I2C_CLIENT_END | |
536 | }; | |
537 | const unsigned short *addrp; | |
538 | /* Instantiate the IR receiver device, if present */ | |
539 | if (0 != core->i2c_rc) | |
540 | return; | |
541 | ||
542 | memset(&info, 0, sizeof(struct i2c_board_info)); | |
543 | strlcpy(info.type, "ir_video", I2C_NAME_SIZE); | |
544 | ||
545 | /* | |
546 | * We can't call i2c_new_probed_device() because it uses | |
547 | * quick writes for probing and at least some RC receiver | |
548 | * devices only reply to reads. | |
549 | * Also, Hauppauge XVR needs to be specified, as address 0x71 | |
550 | * conflicts with another remote type used with saa7134 | |
551 | */ | |
552 | for (addrp = addr_list; *addrp != I2C_CLIENT_END; addrp++) { | |
553 | info.platform_data = NULL; | |
554 | memset(&core->init_data, 0, sizeof(core->init_data)); | |
555 | ||
556 | if (*addrp == 0x71) { | |
557 | /* Hauppauge XVR */ | |
558 | core->init_data.name = "cx88 Hauppauge XVR remote"; | |
559 | core->init_data.ir_codes = RC_MAP_HAUPPAUGE_NEW; | |
52b66144 | 560 | core->init_data.type = RC_TYPE_RC5; |
44243fc2 MCC |
561 | core->init_data.internal_get_key_func = IR_KBD_GET_KEY_HAUP_XVR; |
562 | ||
563 | info.platform_data = &core->init_data; | |
564 | } | |
565 | if (i2c_smbus_xfer(&core->i2c_adap, *addrp, 0, | |
566 | I2C_SMBUS_READ, 0, | |
567 | I2C_SMBUS_QUICK, NULL) >= 0) { | |
568 | info.addr = *addrp; | |
569 | i2c_new_device(&core->i2c_adap, &info); | |
570 | break; | |
571 | } | |
572 | } | |
573 | } | |
574 | ||
1da177e4 LT |
575 | /* ---------------------------------------------------------------------- */ |
576 | ||
577 | MODULE_AUTHOR("Gerd Knorr, Pavel Machek, Chris Pascoe"); | |
578 | MODULE_DESCRIPTION("input driver for cx88 GPIO-based IR remote controls"); | |
579 | MODULE_LICENSE("GPL"); |