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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 LT |
27 | #include <linux/input.h> |
28 | #include <linux/pci.h> | |
5a0e3ad6 | 29 | #include <linux/slab.h> |
1da177e4 | 30 | #include <linux/module.h> |
1da177e4 | 31 | |
1da177e4 | 32 | #include "cx88.h" |
3bbd3f2d | 33 | #include <media/ir-core.h> |
d21838dd | 34 | #include <media/ir-common.h> |
1da177e4 | 35 | |
727e625c MCC |
36 | #define MODULE_NAME "cx88xx" |
37 | ||
1da177e4 LT |
38 | /* ---------------------------------------------------------------------- */ |
39 | ||
1da177e4 | 40 | struct cx88_IR { |
41ef7c1e | 41 | struct cx88_core *core; |
b7df3910 | 42 | struct input_dev *input; |
92f4fc10 | 43 | struct ir_dev_props props; |
3bbd3f2d | 44 | u64 ir_type; |
92f4fc10 MCC |
45 | |
46 | int users; | |
47 | ||
41ef7c1e MCC |
48 | char name[32]; |
49 | char phys[32]; | |
1da177e4 LT |
50 | |
51 | /* sample from gpio pin 16 */ | |
fc40b261 | 52 | u32 sampling; |
41ef7c1e MCC |
53 | u32 samples[16]; |
54 | int scount; | |
1da177e4 LT |
55 | |
56 | /* poll external decoder */ | |
41ef7c1e | 57 | int polling; |
3c1c48bb | 58 | struct hrtimer timer; |
41ef7c1e MCC |
59 | u32 gpio_addr; |
60 | u32 last_gpio; | |
61 | u32 mask_keycode; | |
62 | u32 mask_keydown; | |
63 | u32 mask_keyup; | |
1da177e4 LT |
64 | }; |
65 | ||
ff699e6b | 66 | static int ir_debug; |
41ef7c1e | 67 | module_param(ir_debug, int, 0644); /* debug level [IR] */ |
1da177e4 LT |
68 | MODULE_PARM_DESC(ir_debug, "enable debug messages [IR]"); |
69 | ||
70 | #define ir_dprintk(fmt, arg...) if (ir_debug) \ | |
e52e98a7 | 71 | printk(KERN_DEBUG "%s IR: " fmt , ir->core->name , ##arg) |
1da177e4 LT |
72 | |
73 | /* ---------------------------------------------------------------------- */ | |
74 | ||
75 | static void cx88_ir_handle_key(struct cx88_IR *ir) | |
76 | { | |
77 | struct cx88_core *core = ir->core; | |
680543c5 | 78 | u32 gpio, data, auxgpio; |
1da177e4 LT |
79 | |
80 | /* read gpio value */ | |
81 | gpio = cx_read(ir->gpio_addr); | |
6a59d64c | 82 | switch (core->boardnr) { |
829ea964 | 83 | case CX88_BOARD_NPGTECH_REALTV_TOP10FM: |
680543c5 RC |
84 | /* This board apparently uses a combination of 2 GPIO |
85 | to represent the keys. Additionally, the second GPIO | |
86 | can be used for parity. | |
87 | ||
88 | Example: | |
89 | ||
90 | for key "5" | |
91 | gpio = 0x758, auxgpio = 0xe5 or 0xf5 | |
92 | for key "Power" | |
93 | gpio = 0x758, auxgpio = 0xed or 0xfd | |
94 | */ | |
95 | ||
96 | auxgpio = cx_read(MO_GP1_IO); | |
97 | /* Take out the parity part */ | |
a62c61d3 | 98 | gpio=(gpio & 0x7fd) + (auxgpio & 0xef); |
829ea964 MK |
99 | break; |
100 | case CX88_BOARD_WINFAST_DTV1000: | |
3047a176 | 101 | case CX88_BOARD_WINFAST_DTV1800H: |
3e9a4897 | 102 | case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL: |
e7d11ecb EP |
103 | gpio = (gpio & 0x6ff) | ((cx_read(MO_GP1_IO) << 8) & 0x900); |
104 | auxgpio = gpio; | |
829ea964 MK |
105 | break; |
106 | default: | |
680543c5 | 107 | auxgpio = gpio; |
829ea964 | 108 | } |
1da177e4 | 109 | if (ir->polling) { |
680543c5 | 110 | if (ir->last_gpio == auxgpio) |
1da177e4 | 111 | return; |
680543c5 | 112 | ir->last_gpio = auxgpio; |
1da177e4 LT |
113 | } |
114 | ||
115 | /* extract data */ | |
116 | data = ir_extract_bits(gpio, ir->mask_keycode); | |
117 | ir_dprintk("irq gpio=0x%x code=%d | %s%s%s\n", | |
41ef7c1e MCC |
118 | gpio, data, |
119 | ir->polling ? "poll" : "irq", | |
120 | (gpio & ir->mask_keydown) ? " down" : "", | |
121 | (gpio & ir->mask_keyup) ? " up" : ""); | |
1da177e4 | 122 | |
6a59d64c | 123 | if (ir->core->boardnr == CX88_BOARD_NORWOOD_MICRO) { |
d1009bd7 PN |
124 | u32 gpio_key = cx_read(MO_GP0_IO); |
125 | ||
126 | data = (data << 4) | ((gpio_key & 0xf0) >> 4); | |
127 | ||
3bbd3f2d | 128 | ir_keydown(ir->input, data, 0); |
d1009bd7 PN |
129 | |
130 | } else if (ir->mask_keydown) { | |
1da177e4 | 131 | /* bit set on keydown */ |
3bbd3f2d DH |
132 | if (gpio & ir->mask_keydown) |
133 | ir_keydown(ir->input, data, 0); | |
1da177e4 LT |
134 | |
135 | } else if (ir->mask_keyup) { | |
136 | /* bit cleared on keydown */ | |
3bbd3f2d DH |
137 | if (0 == (gpio & ir->mask_keyup)) |
138 | ir_keydown(ir->input, data, 0); | |
1da177e4 LT |
139 | |
140 | } else { | |
141 | /* can't distinguish keydown/up :-/ */ | |
3bbd3f2d | 142 | ir_keydown(ir->input, data, 0); |
1da177e4 LT |
143 | } |
144 | } | |
145 | ||
3c1c48bb | 146 | static enum hrtimer_restart cx88_ir_work(struct hrtimer *timer) |
1da177e4 | 147 | { |
3c1c48bb AH |
148 | unsigned long missed; |
149 | struct cx88_IR *ir = container_of(timer, struct cx88_IR, timer); | |
1da177e4 LT |
150 | |
151 | cx88_ir_handle_key(ir); | |
3c1c48bb AH |
152 | missed = hrtimer_forward_now(&ir->timer, |
153 | ktime_set(0, ir->polling * 1000000)); | |
154 | if (missed > 1) | |
155 | ir_dprintk("Missed ticks %ld\n", missed - 1); | |
156 | ||
157 | return HRTIMER_RESTART; | |
1da177e4 LT |
158 | } |
159 | ||
92f4fc10 | 160 | static int __cx88_ir_start(void *priv) |
b07b4783 | 161 | { |
92f4fc10 MCC |
162 | struct cx88_core *core = priv; |
163 | struct cx88_IR *ir; | |
164 | ||
165 | if (!core || !core->ir) | |
166 | return -EINVAL; | |
167 | ||
168 | ir = core->ir; | |
169 | ||
b07b4783 | 170 | if (ir->polling) { |
3c1c48bb AH |
171 | hrtimer_init(&ir->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); |
172 | ir->timer.function = cx88_ir_work; | |
173 | hrtimer_start(&ir->timer, | |
174 | ktime_set(0, ir->polling * 1000000), | |
175 | HRTIMER_MODE_REL); | |
b07b4783 DT |
176 | } |
177 | if (ir->sampling) { | |
8ddac9ee | 178 | core->pci_irqmask |= PCI_INT_IR_SMPINT; |
b07b4783 DT |
179 | cx_write(MO_DDS_IO, 0xa80a80); /* 4 kHz sample rate */ |
180 | cx_write(MO_DDSCFG_IO, 0x5); /* enable */ | |
181 | } | |
92f4fc10 | 182 | return 0; |
b07b4783 DT |
183 | } |
184 | ||
92f4fc10 | 185 | static void __cx88_ir_stop(void *priv) |
b07b4783 | 186 | { |
92f4fc10 MCC |
187 | struct cx88_core *core = priv; |
188 | struct cx88_IR *ir; | |
189 | ||
190 | if (!core || !core->ir) | |
191 | return; | |
192 | ||
193 | ir = core->ir; | |
b07b4783 DT |
194 | if (ir->sampling) { |
195 | cx_write(MO_DDSCFG_IO, 0x0); | |
8ddac9ee | 196 | core->pci_irqmask &= ~PCI_INT_IR_SMPINT; |
b07b4783 DT |
197 | } |
198 | ||
569b7ec7 | 199 | if (ir->polling) |
3c1c48bb | 200 | hrtimer_cancel(&ir->timer); |
b07b4783 DT |
201 | } |
202 | ||
92f4fc10 MCC |
203 | int cx88_ir_start(struct cx88_core *core) |
204 | { | |
205 | if (core->ir->users) | |
206 | return __cx88_ir_start(core); | |
207 | ||
208 | return 0; | |
209 | } | |
210 | ||
211 | void cx88_ir_stop(struct cx88_core *core) | |
212 | { | |
213 | if (core->ir->users) | |
214 | __cx88_ir_stop(core); | |
215 | } | |
216 | ||
217 | static int cx88_ir_open(void *priv) | |
218 | { | |
219 | struct cx88_core *core = priv; | |
220 | ||
221 | core->ir->users++; | |
222 | return __cx88_ir_start(core); | |
223 | } | |
224 | ||
225 | static void cx88_ir_close(void *priv) | |
226 | { | |
227 | struct cx88_core *core = priv; | |
228 | ||
229 | core->ir->users--; | |
230 | if (!core->ir->users) | |
231 | __cx88_ir_stop(core); | |
232 | } | |
233 | ||
1da177e4 LT |
234 | /* ---------------------------------------------------------------------- */ |
235 | ||
236 | int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci) | |
237 | { | |
238 | struct cx88_IR *ir; | |
b7df3910 | 239 | struct input_dev *input_dev; |
02858eed | 240 | char *ir_codes = NULL; |
971e8298 | 241 | u64 ir_type = IR_TYPE_OTHER; |
b07b4783 | 242 | int err = -ENOMEM; |
9dfe4e83 MCC |
243 | u32 hardware_mask = 0; /* For devices with a hardware mask, when |
244 | * used with a full-code IR table | |
245 | */ | |
1da177e4 | 246 | |
b7df3910 DT |
247 | ir = kzalloc(sizeof(*ir), GFP_KERNEL); |
248 | input_dev = input_allocate_device(); | |
b07b4783 DT |
249 | if (!ir || !input_dev) |
250 | goto err_out_free; | |
b7df3910 DT |
251 | |
252 | ir->input = input_dev; | |
1da177e4 LT |
253 | |
254 | /* detect & configure */ | |
6a59d64c | 255 | switch (core->boardnr) { |
1da177e4 | 256 | case CX88_BOARD_DNTV_LIVE_DVB_T: |
b45009b0 | 257 | case CX88_BOARD_KWORLD_DVB_T: |
28ecc449 | 258 | case CX88_BOARD_KWORLD_DVB_T_CX22702: |
02858eed | 259 | ir_codes = RC_MAP_DNTV_LIVE_DVB_T; |
41ef7c1e | 260 | ir->gpio_addr = MO_GP1_IO; |
1da177e4 | 261 | ir->mask_keycode = 0x1f; |
41ef7c1e MCC |
262 | ir->mask_keyup = 0x60; |
263 | ir->polling = 50; /* ms */ | |
1da177e4 | 264 | break; |
e52e98a7 | 265 | case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1: |
02858eed | 266 | ir_codes = RC_MAP_CINERGY_1400; |
5a143b12 | 267 | ir_type = IR_TYPE_NEC; |
fc40b261 | 268 | ir->sampling = 0xeb04; /* address */ |
e52e98a7 | 269 | break; |
1da177e4 LT |
270 | case CX88_BOARD_HAUPPAUGE: |
271 | case CX88_BOARD_HAUPPAUGE_DVB_T1: | |
fb56cb65 ST |
272 | case CX88_BOARD_HAUPPAUGE_NOVASE2_S1: |
273 | case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1: | |
611900c1 | 274 | case CX88_BOARD_HAUPPAUGE_HVR1100: |
76dc82ab | 275 | case CX88_BOARD_HAUPPAUGE_HVR3000: |
5bd1b663 ST |
276 | case CX88_BOARD_HAUPPAUGE_HVR4000: |
277 | case CX88_BOARD_HAUPPAUGE_HVR4000LITE: | |
f1735bb2 EB |
278 | case CX88_BOARD_PCHDTV_HD3000: |
279 | case CX88_BOARD_PCHDTV_HD5500: | |
501d8cd4 | 280 | case CX88_BOARD_HAUPPAUGE_IRONLY: |
02858eed | 281 | ir_codes = RC_MAP_HAUPPAUGE_NEW; |
41ef7c1e MCC |
282 | ir_type = IR_TYPE_RC5; |
283 | ir->sampling = 1; | |
1da177e4 | 284 | break; |
2de873e6 | 285 | case CX88_BOARD_WINFAST_DTV2000H: |
4d14c833 | 286 | case CX88_BOARD_WINFAST_DTV2000H_J: |
3047a176 | 287 | case CX88_BOARD_WINFAST_DTV1800H: |
02858eed | 288 | ir_codes = RC_MAP_WINFAST; |
41ef7c1e | 289 | ir->gpio_addr = MO_GP0_IO; |
1da177e4 | 290 | ir->mask_keycode = 0x8f8; |
41ef7c1e | 291 | ir->mask_keyup = 0x100; |
2de873e6 | 292 | ir->polling = 50; /* ms */ |
1da177e4 | 293 | break; |
ff97d93d | 294 | case CX88_BOARD_WINFAST2000XP_EXPERT: |
e7d11ecb | 295 | case CX88_BOARD_WINFAST_DTV1000: |
3e9a4897 | 296 | case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL: |
02858eed | 297 | ir_codes = RC_MAP_WINFAST; |
ff97d93d HP |
298 | ir->gpio_addr = MO_GP0_IO; |
299 | ir->mask_keycode = 0x8f8; | |
300 | ir->mask_keyup = 0x100; | |
301 | ir->polling = 1; /* ms */ | |
302 | break; | |
1da177e4 | 303 | case CX88_BOARD_IODATA_GVBCTV7E: |
02858eed | 304 | ir_codes = RC_MAP_IODATA_BCTV7E; |
41ef7c1e | 305 | ir->gpio_addr = MO_GP0_IO; |
1da177e4 LT |
306 | ir->mask_keycode = 0xfd; |
307 | ir->mask_keydown = 0x02; | |
41ef7c1e | 308 | ir->polling = 5; /* ms */ |
1da177e4 | 309 | break; |
ff97d93d | 310 | case CX88_BOARD_PROLINK_PLAYTVPVR: |
239df2e2 | 311 | case CX88_BOARD_PIXELVIEW_PLAYTV_ULTRA_PRO: |
9dfe4e83 MCC |
312 | /* |
313 | * It seems that this hardware is paired with NEC extended | |
314 | * address 0x866b. So, unfortunately, its usage with other | |
315 | * IR's with different address won't work. Still, there are | |
316 | * other IR's from the same manufacturer that works, like the | |
317 | * 002-T mini RC, provided with newer PV hardware | |
318 | */ | |
319 | ir_codes = RC_MAP_PIXELVIEW_MK12; | |
41ef7c1e | 320 | ir->gpio_addr = MO_GP1_IO; |
41ef7c1e | 321 | ir->mask_keyup = 0x80; |
26d5683d | 322 | ir->polling = 10; /* ms */ |
9dfe4e83 | 323 | hardware_mask = 0x3f; /* Hardware returns only 6 bits from command part */ |
239df2e2 | 324 | break; |
7f0dd179 | 325 | case CX88_BOARD_PROLINK_PV_8000GT: |
a31d2bb7 | 326 | case CX88_BOARD_PROLINK_PV_GLOBAL_XTREME: |
02858eed | 327 | ir_codes = RC_MAP_PIXELVIEW_NEW; |
7f0dd179 MCC |
328 | ir->gpio_addr = MO_GP1_IO; |
329 | ir->mask_keycode = 0x3f; | |
330 | ir->mask_keyup = 0x80; | |
331 | ir->polling = 1; /* ms */ | |
332 | break; | |
b639f9d2 | 333 | case CX88_BOARD_KWORLD_LTV883: |
02858eed | 334 | ir_codes = RC_MAP_PIXELVIEW; |
b639f9d2 NS |
335 | ir->gpio_addr = MO_GP1_IO; |
336 | ir->mask_keycode = 0x1f; | |
337 | ir->mask_keyup = 0x60; | |
338 | ir->polling = 1; /* ms */ | |
339 | break; | |
a82decf6 | 340 | case CX88_BOARD_ADSTECH_DVB_T_PCI: |
02858eed | 341 | ir_codes = RC_MAP_ADSTECH_DVB_T_PCI; |
41ef7c1e | 342 | ir->gpio_addr = MO_GP1_IO; |
a82decf6 | 343 | ir->mask_keycode = 0xbf; |
41ef7c1e MCC |
344 | ir->mask_keyup = 0x40; |
345 | ir->polling = 50; /* ms */ | |
346 | break; | |
347 | case CX88_BOARD_MSI_TVANYWHERE_MASTER: | |
02858eed | 348 | ir_codes = RC_MAP_MSI_TVANYWHERE; |
41ef7c1e MCC |
349 | ir->gpio_addr = MO_GP1_IO; |
350 | ir->mask_keycode = 0x1f; | |
351 | ir->mask_keyup = 0x40; | |
352 | ir->polling = 1; /* ms */ | |
a82decf6 | 353 | break; |
899ad11b | 354 | case CX88_BOARD_AVERTV_303: |
565f4949 | 355 | case CX88_BOARD_AVERTV_STUDIO_303: |
02858eed | 356 | ir_codes = RC_MAP_AVERTV_303; |
899ad11b GG |
357 | ir->gpio_addr = MO_GP2_IO; |
358 | ir->mask_keycode = 0xfb; | |
359 | ir->mask_keydown = 0x02; | |
360 | ir->polling = 50; /* ms */ | |
361 | break; | |
d8d86225 IL |
362 | case CX88_BOARD_OMICOM_SS4_PCI: |
363 | case CX88_BOARD_SATTRADE_ST4200: | |
364 | case CX88_BOARD_TBS_8920: | |
365 | case CX88_BOARD_TBS_8910: | |
366 | case CX88_BOARD_PROF_7300: | |
b699c271 | 367 | case CX88_BOARD_PROF_7301: |
d8d86225 | 368 | case CX88_BOARD_PROF_6200: |
02858eed | 369 | ir_codes = RC_MAP_TBS_NEC; |
5a143b12 | 370 | ir_type = IR_TYPE_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; |
5a143b12 | 376 | ir_type = IR_TYPE_NEC; |
d8d86225 IL |
377 | ir->sampling = 0xff00; /* address */ |
378 | break; | |
fc40b261 | 379 | case CX88_BOARD_DNTV_LIVE_DVB_T_PRO: |
02858eed | 380 | ir_codes = RC_MAP_DNTV_LIVE_DVBT_PRO; |
5a143b12 | 381 | ir_type = IR_TYPE_NEC; |
715a2233 | 382 | ir->sampling = 0xff00; /* address */ |
fc40b261 | 383 | break; |
d1009bd7 | 384 | case CX88_BOARD_NORWOOD_MICRO: |
02858eed | 385 | ir_codes = RC_MAP_NORWOOD; |
d1009bd7 PN |
386 | ir->gpio_addr = MO_GP1_IO; |
387 | ir->mask_keycode = 0x0e; | |
388 | ir->mask_keyup = 0x80; | |
389 | ir->polling = 50; /* ms */ | |
390 | break; | |
be4f4519 | 391 | case CX88_BOARD_NPGTECH_REALTV_TOP10FM: |
02858eed | 392 | ir_codes = RC_MAP_NPGTECH; |
715a2233 | 393 | ir->gpio_addr = MO_GP0_IO; |
680543c5 | 394 | ir->mask_keycode = 0xfa; |
715a2233 | 395 | ir->polling = 50; /* ms */ |
680543c5 | 396 | break; |
9121106a | 397 | case CX88_BOARD_PINNACLE_PCTV_HD_800i: |
02858eed | 398 | ir_codes = RC_MAP_PINNACLE_PCTV_HD; |
715a2233 MCC |
399 | ir_type = IR_TYPE_RC5; |
400 | ir->sampling = 1; | |
9121106a | 401 | break; |
ba928034 | 402 | case CX88_BOARD_POWERCOLOR_REAL_ANGEL: |
02858eed | 403 | ir_codes = RC_MAP_POWERCOLOR_REAL_ANGEL; |
715a2233 | 404 | ir->gpio_addr = MO_GP2_IO; |
ba928034 | 405 | ir->mask_keycode = 0x7e; |
715a2233 | 406 | ir->polling = 100; /* ms */ |
ba928034 | 407 | break; |
111ac84a SI |
408 | case CX88_BOARD_TWINHAN_VP1027_DVBS: |
409 | ir_codes = RC_MAP_TWINHAN_VP1027_DVBS; | |
410 | ir_type = IR_TYPE_NEC; | |
411 | ir->sampling = 0xff00; /* address */ | |
412 | break; | |
1da177e4 | 413 | } |
b45009b0 | 414 | |
1da177e4 | 415 | if (NULL == ir_codes) { |
b07b4783 DT |
416 | err = -ENODEV; |
417 | goto err_out_free; | |
1da177e4 LT |
418 | } |
419 | ||
9dfe4e83 MCC |
420 | /* |
421 | * The usage of mask_keycode were very convenient, due to several | |
422 | * reasons. Among others, the scancode tables were using the scancode | |
423 | * as the index elements. So, the less bits it was used, the smaller | |
424 | * the table were stored. After the input changes, the better is to use | |
425 | * the full scancodes, since it allows replacing the IR remote by | |
426 | * another one. Unfortunately, there are still some hardware, like | |
427 | * Pixelview Ultra Pro, where only part of the scancode is sent via | |
428 | * GPIO. So, there's no way to get the full scancode. Due to that, | |
429 | * hardware_mask were introduced here: it represents those hardware | |
430 | * that has such limits. | |
431 | */ | |
432 | if (hardware_mask && !ir->mask_keycode) | |
433 | ir->mask_keycode = hardware_mask; | |
434 | ||
1da177e4 | 435 | /* init input device */ |
6a59d64c | 436 | snprintf(ir->name, sizeof(ir->name), "cx88 IR (%s)", core->board.name); |
41ef7c1e | 437 | snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0", pci_name(pci)); |
1da177e4 | 438 | |
3bbd3f2d | 439 | ir->ir_type = ir_type; |
055cd556 | 440 | |
b7df3910 DT |
441 | input_dev->name = ir->name; |
442 | input_dev->phys = ir->phys; | |
443 | input_dev->id.bustype = BUS_PCI; | |
444 | input_dev->id.version = 1; | |
1da177e4 | 445 | if (pci->subsystem_vendor) { |
b7df3910 DT |
446 | input_dev->id.vendor = pci->subsystem_vendor; |
447 | input_dev->id.product = pci->subsystem_device; | |
1da177e4 | 448 | } else { |
b7df3910 DT |
449 | input_dev->id.vendor = pci->vendor; |
450 | input_dev->id.product = pci->device; | |
1da177e4 | 451 | } |
2c8a3a33 | 452 | input_dev->dev.parent = &pci->dev; |
1da177e4 LT |
453 | /* record handles to ourself */ |
454 | ir->core = core; | |
455 | core->ir = ir; | |
456 | ||
92f4fc10 MCC |
457 | ir->props.priv = core; |
458 | ir->props.open = cx88_ir_open; | |
459 | ir->props.close = cx88_ir_close; | |
9dfe4e83 | 460 | ir->props.scanmask = hardware_mask; |
1da177e4 LT |
461 | |
462 | /* all done */ | |
02858eed | 463 | err = ir_input_register(ir->input, ir_codes, &ir->props, MODULE_NAME); |
b07b4783 | 464 | if (err) |
92f4fc10 | 465 | goto err_out_free; |
1da177e4 LT |
466 | |
467 | return 0; | |
b07b4783 | 468 | |
b07b4783 | 469 | err_out_free: |
92f4fc10 | 470 | core->ir = NULL; |
b07b4783 DT |
471 | kfree(ir); |
472 | return err; | |
1da177e4 LT |
473 | } |
474 | ||
475 | int cx88_ir_fini(struct cx88_core *core) | |
476 | { | |
477 | struct cx88_IR *ir = core->ir; | |
478 | ||
479 | /* skip detach on non attached boards */ | |
480 | if (NULL == ir) | |
481 | return 0; | |
482 | ||
92f4fc10 | 483 | cx88_ir_stop(core); |
38ef6aa8 | 484 | ir_input_unregister(ir->input); |
1da177e4 LT |
485 | kfree(ir); |
486 | ||
487 | /* done */ | |
488 | core->ir = NULL; | |
489 | return 0; | |
490 | } | |
491 | ||
492 | /* ---------------------------------------------------------------------- */ | |
493 | ||
494 | void cx88_ir_irq(struct cx88_core *core) | |
495 | { | |
496 | struct cx88_IR *ir = core->ir; | |
e52e98a7 | 497 | u32 samples, ircode; |
34c08029 | 498 | int i, start, range, toggle, dev, code; |
1da177e4 LT |
499 | |
500 | if (NULL == ir) | |
501 | return; | |
502 | if (!ir->sampling) | |
503 | return; | |
504 | ||
505 | samples = cx_read(MO_SAMPLE_IO); | |
41ef7c1e | 506 | if (0 != samples && 0xffffffff != samples) { |
1da177e4 LT |
507 | /* record sample data */ |
508 | if (ir->scount < ARRAY_SIZE(ir->samples)) | |
509 | ir->samples[ir->scount++] = samples; | |
510 | return; | |
511 | } | |
512 | if (!ir->scount) { | |
513 | /* nothing to sample */ | |
1da177e4 LT |
514 | return; |
515 | } | |
516 | ||
517 | /* have a complete sample */ | |
518 | if (ir->scount < ARRAY_SIZE(ir->samples)) | |
519 | ir->samples[ir->scount++] = samples; | |
520 | for (i = 0; i < ir->scount; i++) | |
521 | ir->samples[i] = ~ir->samples[i]; | |
522 | if (ir_debug) | |
41ef7c1e | 523 | ir_dump_samples(ir->samples, ir->scount); |
1da177e4 LT |
524 | |
525 | /* decode it */ | |
6a59d64c | 526 | switch (core->boardnr) { |
d8d86225 IL |
527 | case CX88_BOARD_TEVII_S460: |
528 | case CX88_BOARD_TEVII_S420: | |
e52e98a7 | 529 | case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1: |
fc40b261 | 530 | case CX88_BOARD_DNTV_LIVE_DVB_T_PRO: |
d8d86225 IL |
531 | case CX88_BOARD_OMICOM_SS4_PCI: |
532 | case CX88_BOARD_SATTRADE_ST4200: | |
533 | case CX88_BOARD_TBS_8920: | |
534 | case CX88_BOARD_TBS_8910: | |
535 | case CX88_BOARD_PROF_7300: | |
b699c271 | 536 | case CX88_BOARD_PROF_7301: |
d8d86225 | 537 | case CX88_BOARD_PROF_6200: |
111ac84a | 538 | case CX88_BOARD_TWINHAN_VP1027_DVBS: |
e52e98a7 MCC |
539 | ircode = ir_decode_pulsedistance(ir->samples, ir->scount, 1, 4); |
540 | ||
541 | if (ircode == 0xffffffff) { /* decoding error */ | |
542 | ir_dprintk("pulse distance decoding error\n"); | |
543 | break; | |
544 | } | |
545 | ||
546 | ir_dprintk("pulse distance decoded: %x\n", ircode); | |
547 | ||
548 | if (ircode == 0) { /* key still pressed */ | |
549 | ir_dprintk("pulse distance decoded repeat code\n"); | |
3bbd3f2d | 550 | ir_repeat(ir->input); |
e52e98a7 MCC |
551 | break; |
552 | } | |
553 | ||
fc40b261 | 554 | if ((ircode & 0xffff) != (ir->sampling & 0xffff)) { /* wrong address */ |
e52e98a7 | 555 | ir_dprintk("pulse distance decoded wrong address\n"); |
4ac97914 | 556 | break; |
e52e98a7 MCC |
557 | } |
558 | ||
559 | if (((~ircode >> 24) & 0xff) != ((ircode >> 16) & 0xff)) { /* wrong checksum */ | |
560 | ir_dprintk("pulse distance decoded wrong check sum\n"); | |
561 | break; | |
562 | } | |
563 | ||
3bbd3f2d DH |
564 | ir_dprintk("Key Code: %x\n", (ircode >> 16) & 0xff); |
565 | ir_keydown(ir->input, (ircode >> 16) & 0xff, 0); | |
e52e98a7 | 566 | break; |
1da177e4 LT |
567 | case CX88_BOARD_HAUPPAUGE: |
568 | case CX88_BOARD_HAUPPAUGE_DVB_T1: | |
fb56cb65 ST |
569 | case CX88_BOARD_HAUPPAUGE_NOVASE2_S1: |
570 | case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1: | |
30367bfd | 571 | case CX88_BOARD_HAUPPAUGE_HVR1100: |
76dc82ab | 572 | case CX88_BOARD_HAUPPAUGE_HVR3000: |
5bd1b663 ST |
573 | case CX88_BOARD_HAUPPAUGE_HVR4000: |
574 | case CX88_BOARD_HAUPPAUGE_HVR4000LITE: | |
f1735bb2 EB |
575 | case CX88_BOARD_PCHDTV_HD3000: |
576 | case CX88_BOARD_PCHDTV_HD5500: | |
501d8cd4 | 577 | case CX88_BOARD_HAUPPAUGE_IRONLY: |
34c08029 DB |
578 | ircode = ir_decode_biphase(ir->samples, ir->scount, 5, 7); |
579 | ir_dprintk("biphase decoded: %x\n", ircode); | |
580 | /* | |
581 | * RC5 has an extension bit which adds a new range | |
582 | * of available codes, this is detected here. Also | |
583 | * hauppauge remotes (black/silver) always use | |
584 | * specific device ids. If we do not filter the | |
585 | * device ids then messages destined for devices | |
586 | * such as TVs (id=0) will get through to the | |
587 | * device causing mis-fired events. | |
588 | */ | |
589 | /* split rc5 data block ... */ | |
590 | start = (ircode & 0x2000) >> 13; | |
591 | range = (ircode & 0x1000) >> 12; | |
592 | toggle= (ircode & 0x0800) >> 11; | |
593 | dev = (ircode & 0x07c0) >> 6; | |
594 | code = (ircode & 0x003f) | ((range << 6) ^ 0x0040); | |
595 | if( start != 1) | |
596 | /* no key pressed */ | |
597 | break; | |
598 | if ( dev != 0x1e && dev != 0x1f ) | |
599 | /* not a hauppauge remote */ | |
600 | break; | |
3bbd3f2d | 601 | ir_keydown(ir->input, code, toggle); |
34c08029 DB |
602 | break; |
603 | case CX88_BOARD_PINNACLE_PCTV_HD_800i: | |
e52e98a7 MCC |
604 | ircode = ir_decode_biphase(ir->samples, ir->scount, 5, 7); |
605 | ir_dprintk("biphase decoded: %x\n", ircode); | |
606 | if ((ircode & 0xfffff000) != 0x3000) | |
1da177e4 | 607 | break; |
3bbd3f2d DH |
608 | /* Note: bit 0x800 being the toggle is assumed, not checked |
609 | with real hardware */ | |
610 | ir_keydown(ir->input, ircode & 0x3f, ircode & 0x0800 ? 1 : 0); | |
1da177e4 LT |
611 | break; |
612 | } | |
613 | ||
614 | ir->scount = 0; | |
615 | return; | |
616 | } | |
617 | ||
44243fc2 MCC |
618 | |
619 | void cx88_i2c_init_ir(struct cx88_core *core) | |
620 | { | |
621 | struct i2c_board_info info; | |
622 | const unsigned short addr_list[] = { | |
623 | 0x18, 0x6b, 0x71, | |
624 | I2C_CLIENT_END | |
625 | }; | |
626 | const unsigned short *addrp; | |
627 | /* Instantiate the IR receiver device, if present */ | |
628 | if (0 != core->i2c_rc) | |
629 | return; | |
630 | ||
631 | memset(&info, 0, sizeof(struct i2c_board_info)); | |
632 | strlcpy(info.type, "ir_video", I2C_NAME_SIZE); | |
633 | ||
634 | /* | |
635 | * We can't call i2c_new_probed_device() because it uses | |
636 | * quick writes for probing and at least some RC receiver | |
637 | * devices only reply to reads. | |
638 | * Also, Hauppauge XVR needs to be specified, as address 0x71 | |
639 | * conflicts with another remote type used with saa7134 | |
640 | */ | |
641 | for (addrp = addr_list; *addrp != I2C_CLIENT_END; addrp++) { | |
642 | info.platform_data = NULL; | |
643 | memset(&core->init_data, 0, sizeof(core->init_data)); | |
644 | ||
645 | if (*addrp == 0x71) { | |
646 | /* Hauppauge XVR */ | |
647 | core->init_data.name = "cx88 Hauppauge XVR remote"; | |
648 | core->init_data.ir_codes = RC_MAP_HAUPPAUGE_NEW; | |
649 | core->init_data.type = IR_TYPE_RC5; | |
650 | core->init_data.internal_get_key_func = IR_KBD_GET_KEY_HAUP_XVR; | |
651 | ||
652 | info.platform_data = &core->init_data; | |
653 | } | |
654 | if (i2c_smbus_xfer(&core->i2c_adap, *addrp, 0, | |
655 | I2C_SMBUS_READ, 0, | |
656 | I2C_SMBUS_QUICK, NULL) >= 0) { | |
657 | info.addr = *addrp; | |
658 | i2c_new_device(&core->i2c_adap, &info); | |
659 | break; | |
660 | } | |
661 | } | |
662 | } | |
663 | ||
1da177e4 LT |
664 | /* ---------------------------------------------------------------------- */ |
665 | ||
666 | MODULE_AUTHOR("Gerd Knorr, Pavel Machek, Chris Pascoe"); | |
667 | MODULE_DESCRIPTION("input driver for cx88 GPIO-based IR remote controls"); | |
668 | MODULE_LICENSE("GPL"); |