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Commit | Line | Data |
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c942fddf | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
1da177e4 | 2 | /* |
1da177e4 LT |
3 | * |
4 | * Device driver for GPIO attached remote control interfaces | |
5 | * on Conexant 2388x based TV/DVB cards. | |
6 | * | |
7 | * Copyright (c) 2003 Pavel Machek | |
8 | * Copyright (c) 2004 Gerd Knorr | |
fc40b261 | 9 | * Copyright (c) 2004, 2005 Chris Pascoe |
1da177e4 LT |
10 | */ |
11 | ||
65bc2fe8 MCC |
12 | #include "cx88.h" |
13 | ||
1da177e4 | 14 | #include <linux/init.h> |
3c1c48bb | 15 | #include <linux/hrtimer.h> |
1da177e4 | 16 | #include <linux/pci.h> |
5a0e3ad6 | 17 | #include <linux/slab.h> |
1da177e4 | 18 | #include <linux/module.h> |
1da177e4 | 19 | |
6bda9644 | 20 | #include <media/rc-core.h> |
1da177e4 | 21 | |
727e625c MCC |
22 | #define MODULE_NAME "cx88xx" |
23 | ||
1da177e4 LT |
24 | /* ---------------------------------------------------------------------- */ |
25 | ||
1da177e4 | 26 | struct cx88_IR { |
41ef7c1e | 27 | struct cx88_core *core; |
d8b4b582 | 28 | struct rc_dev *dev; |
92f4fc10 MCC |
29 | |
30 | int users; | |
31 | ||
41ef7c1e MCC |
32 | char name[32]; |
33 | char phys[32]; | |
1da177e4 LT |
34 | |
35 | /* sample from gpio pin 16 */ | |
fc40b261 | 36 | u32 sampling; |
1da177e4 LT |
37 | |
38 | /* poll external decoder */ | |
41ef7c1e | 39 | int polling; |
3c1c48bb | 40 | struct hrtimer timer; |
41ef7c1e MCC |
41 | u32 gpio_addr; |
42 | u32 last_gpio; | |
43 | u32 mask_keycode; | |
44 | u32 mask_keydown; | |
45 | u32 mask_keyup; | |
1da177e4 LT |
46 | }; |
47 | ||
7b61ba8f | 48 | static unsigned int ir_samplerate = 4; |
2997137b DH |
49 | module_param(ir_samplerate, uint, 0444); |
50 | MODULE_PARM_DESC(ir_samplerate, "IR samplerate in kHz, 1 - 20, default 4"); | |
51 | ||
ff699e6b | 52 | static int ir_debug; |
41ef7c1e | 53 | module_param(ir_debug, int, 0644); /* debug level [IR] */ |
1da177e4 LT |
54 | MODULE_PARM_DESC(ir_debug, "enable debug messages [IR]"); |
55 | ||
399426ca MCC |
56 | #define ir_dprintk(fmt, arg...) do { \ |
57 | if (ir_debug) \ | |
58 | printk(KERN_DEBUG "%s IR: " fmt, ir->core->name, ##arg);\ | |
59 | } while (0) | |
1da177e4 | 60 | |
399426ca MCC |
61 | #define dprintk(fmt, arg...) do { \ |
62 | if (ir_debug) \ | |
63 | printk(KERN_DEBUG "cx88 IR: " fmt, ##arg); \ | |
64 | } while (0) | |
1c0eb0ff | 65 | |
1da177e4 LT |
66 | /* ---------------------------------------------------------------------- */ |
67 | ||
68 | static void cx88_ir_handle_key(struct cx88_IR *ir) | |
69 | { | |
70 | struct cx88_core *core = ir->core; | |
680543c5 | 71 | u32 gpio, data, auxgpio; |
1da177e4 LT |
72 | |
73 | /* read gpio value */ | |
74 | gpio = cx_read(ir->gpio_addr); | |
6a59d64c | 75 | switch (core->boardnr) { |
829ea964 | 76 | case CX88_BOARD_NPGTECH_REALTV_TOP10FM: |
399426ca MCC |
77 | /* |
78 | * This board apparently uses a combination of 2 GPIO | |
79 | * to represent the keys. Additionally, the second GPIO | |
80 | * can be used for parity. | |
81 | * | |
82 | * Example: | |
83 | * | |
84 | * for key "5" | |
85 | * gpio = 0x758, auxgpio = 0xe5 or 0xf5 | |
86 | * for key "Power" | |
87 | * gpio = 0x758, auxgpio = 0xed or 0xfd | |
680543c5 RC |
88 | */ |
89 | ||
90 | auxgpio = cx_read(MO_GP1_IO); | |
91 | /* Take out the parity part */ | |
7b61ba8f | 92 | gpio = (gpio & 0x7fd) + (auxgpio & 0xef); |
829ea964 MK |
93 | break; |
94 | case CX88_BOARD_WINFAST_DTV1000: | |
3047a176 | 95 | case CX88_BOARD_WINFAST_DTV1800H: |
8eb79c0b | 96 | case CX88_BOARD_WINFAST_DTV1800H_XC4000: |
f271a3af | 97 | case CX88_BOARD_WINFAST_DTV2000H_PLUS: |
3e9a4897 | 98 | case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL: |
84463d5f IV |
99 | case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F36: |
100 | case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F43: | |
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 | ||
6d741bfe | 126 | rc_keydown(ir->dev, RC_PROTO_UNKNOWN, data, 0); |
120703f9 DH |
127 | |
128 | } else if (ir->core->boardnr == CX88_BOARD_PROLINK_PLAYTVPVR || | |
129 | ir->core->boardnr == CX88_BOARD_PIXELVIEW_PLAYTV_ULTRA_PRO) { | |
130 | /* bit cleared on keydown, NEC scancode, 0xAAAACC, A = 0x866b */ | |
131 | u16 addr; | |
132 | u8 cmd; | |
133 | u32 scancode; | |
134 | ||
135 | addr = (data >> 8) & 0xffff; | |
136 | cmd = (data >> 0) & 0x00ff; | |
137 | scancode = RC_SCANCODE_NECX(addr, cmd); | |
138 | ||
139 | if (0 == (gpio & ir->mask_keyup)) | |
6d741bfe | 140 | rc_keydown_notimeout(ir->dev, RC_PROTO_NECX, scancode, |
399426ca | 141 | 0); |
120703f9 DH |
142 | else |
143 | rc_keyup(ir->dev); | |
d1009bd7 PN |
144 | |
145 | } else if (ir->mask_keydown) { | |
1da177e4 | 146 | /* bit set on keydown */ |
3bbd3f2d | 147 | if (gpio & ir->mask_keydown) |
6d741bfe SY |
148 | rc_keydown_notimeout(ir->dev, RC_PROTO_UNKNOWN, data, |
149 | 0); | |
62c65031 | 150 | else |
ca86674b | 151 | rc_keyup(ir->dev); |
1da177e4 LT |
152 | |
153 | } else if (ir->mask_keyup) { | |
154 | /* bit cleared on keydown */ | |
3bbd3f2d | 155 | if (0 == (gpio & ir->mask_keyup)) |
6d741bfe SY |
156 | rc_keydown_notimeout(ir->dev, RC_PROTO_UNKNOWN, data, |
157 | 0); | |
62c65031 | 158 | else |
ca86674b | 159 | rc_keyup(ir->dev); |
1da177e4 LT |
160 | |
161 | } else { | |
162 | /* can't distinguish keydown/up :-/ */ | |
6d741bfe | 163 | rc_keydown_notimeout(ir->dev, RC_PROTO_UNKNOWN, data, 0); |
ca86674b | 164 | rc_keyup(ir->dev); |
1da177e4 LT |
165 | } |
166 | } | |
167 | ||
3c1c48bb | 168 | static enum hrtimer_restart cx88_ir_work(struct hrtimer *timer) |
1da177e4 | 169 | { |
3c1c48bb AH |
170 | unsigned long missed; |
171 | struct cx88_IR *ir = container_of(timer, struct cx88_IR, timer); | |
1da177e4 LT |
172 | |
173 | cx88_ir_handle_key(ir); | |
dde67d50 JJ |
174 | missed = hrtimer_forward_now(&ir->timer, |
175 | ktime_set(0, ir->polling * 1000000)); | |
3c1c48bb AH |
176 | if (missed > 1) |
177 | ir_dprintk("Missed ticks %ld\n", missed - 1); | |
178 | ||
179 | return HRTIMER_RESTART; | |
1da177e4 LT |
180 | } |
181 | ||
92f4fc10 | 182 | static int __cx88_ir_start(void *priv) |
b07b4783 | 183 | { |
92f4fc10 MCC |
184 | struct cx88_core *core = priv; |
185 | struct cx88_IR *ir; | |
186 | ||
187 | if (!core || !core->ir) | |
188 | return -EINVAL; | |
189 | ||
190 | ir = core->ir; | |
191 | ||
b07b4783 | 192 | if (ir->polling) { |
3c1c48bb AH |
193 | hrtimer_init(&ir->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); |
194 | ir->timer.function = cx88_ir_work; | |
dde67d50 JJ |
195 | hrtimer_start(&ir->timer, |
196 | ktime_set(0, ir->polling * 1000000), | |
3c1c48bb | 197 | HRTIMER_MODE_REL); |
b07b4783 DT |
198 | } |
199 | if (ir->sampling) { | |
8ddac9ee | 200 | core->pci_irqmask |= PCI_INT_IR_SMPINT; |
2997137b DH |
201 | cx_write(MO_DDS_IO, 0x33F286 * ir_samplerate); /* samplerate */ |
202 | cx_write(MO_DDSCFG_IO, 0x5); /* enable */ | |
b07b4783 | 203 | } |
92f4fc10 | 204 | return 0; |
b07b4783 DT |
205 | } |
206 | ||
92f4fc10 | 207 | static void __cx88_ir_stop(void *priv) |
b07b4783 | 208 | { |
92f4fc10 MCC |
209 | struct cx88_core *core = priv; |
210 | struct cx88_IR *ir; | |
211 | ||
212 | if (!core || !core->ir) | |
213 | return; | |
214 | ||
215 | ir = core->ir; | |
b07b4783 DT |
216 | if (ir->sampling) { |
217 | cx_write(MO_DDSCFG_IO, 0x0); | |
8ddac9ee | 218 | core->pci_irqmask &= ~PCI_INT_IR_SMPINT; |
b07b4783 DT |
219 | } |
220 | ||
569b7ec7 | 221 | if (ir->polling) |
3c1c48bb | 222 | hrtimer_cancel(&ir->timer); |
b07b4783 DT |
223 | } |
224 | ||
92f4fc10 MCC |
225 | int cx88_ir_start(struct cx88_core *core) |
226 | { | |
227 | if (core->ir->users) | |
228 | return __cx88_ir_start(core); | |
229 | ||
230 | return 0; | |
231 | } | |
399426ca | 232 | EXPORT_SYMBOL(cx88_ir_start); |
92f4fc10 MCC |
233 | |
234 | void cx88_ir_stop(struct cx88_core *core) | |
235 | { | |
236 | if (core->ir->users) | |
237 | __cx88_ir_stop(core); | |
238 | } | |
399426ca | 239 | EXPORT_SYMBOL(cx88_ir_stop); |
92f4fc10 | 240 | |
d8b4b582 | 241 | static int cx88_ir_open(struct rc_dev *rc) |
92f4fc10 | 242 | { |
d8b4b582 | 243 | struct cx88_core *core = rc->priv; |
92f4fc10 MCC |
244 | |
245 | core->ir->users++; | |
246 | return __cx88_ir_start(core); | |
247 | } | |
248 | ||
d8b4b582 | 249 | static void cx88_ir_close(struct rc_dev *rc) |
92f4fc10 | 250 | { |
d8b4b582 | 251 | struct cx88_core *core = rc->priv; |
92f4fc10 MCC |
252 | |
253 | core->ir->users--; | |
254 | if (!core->ir->users) | |
255 | __cx88_ir_stop(core); | |
256 | } | |
257 | ||
1da177e4 LT |
258 | /* ---------------------------------------------------------------------- */ |
259 | ||
260 | int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci) | |
261 | { | |
262 | struct cx88_IR *ir; | |
d8b4b582 | 263 | struct rc_dev *dev; |
02858eed | 264 | char *ir_codes = NULL; |
6d741bfe | 265 | u64 rc_proto = RC_PROTO_BIT_OTHER; |
b07b4783 | 266 | int err = -ENOMEM; |
9dfe4e83 MCC |
267 | u32 hardware_mask = 0; /* For devices with a hardware mask, when |
268 | * used with a full-code IR table | |
269 | */ | |
1da177e4 | 270 | |
b7df3910 | 271 | ir = kzalloc(sizeof(*ir), GFP_KERNEL); |
0f7499fd | 272 | dev = rc_allocate_device(RC_DRIVER_IR_RAW); |
d8b4b582 | 273 | if (!ir || !dev) |
b07b4783 | 274 | goto err_out_free; |
b7df3910 | 275 | |
d8b4b582 | 276 | ir->dev = dev; |
1da177e4 LT |
277 | |
278 | /* detect & configure */ | |
6a59d64c | 279 | switch (core->boardnr) { |
1da177e4 | 280 | case CX88_BOARD_DNTV_LIVE_DVB_T: |
b45009b0 | 281 | case CX88_BOARD_KWORLD_DVB_T: |
28ecc449 | 282 | case CX88_BOARD_KWORLD_DVB_T_CX22702: |
02858eed | 283 | ir_codes = RC_MAP_DNTV_LIVE_DVB_T; |
41ef7c1e | 284 | ir->gpio_addr = MO_GP1_IO; |
1da177e4 | 285 | ir->mask_keycode = 0x1f; |
41ef7c1e MCC |
286 | ir->mask_keyup = 0x60; |
287 | ir->polling = 50; /* ms */ | |
1da177e4 | 288 | break; |
e52e98a7 | 289 | case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1: |
02858eed | 290 | ir_codes = RC_MAP_CINERGY_1400; |
fc40b261 | 291 | ir->sampling = 0xeb04; /* address */ |
e52e98a7 | 292 | break; |
1da177e4 LT |
293 | case CX88_BOARD_HAUPPAUGE: |
294 | case CX88_BOARD_HAUPPAUGE_DVB_T1: | |
fb56cb65 ST |
295 | case CX88_BOARD_HAUPPAUGE_NOVASE2_S1: |
296 | case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1: | |
611900c1 | 297 | case CX88_BOARD_HAUPPAUGE_HVR1100: |
76dc82ab | 298 | case CX88_BOARD_HAUPPAUGE_HVR3000: |
5bd1b663 ST |
299 | case CX88_BOARD_HAUPPAUGE_HVR4000: |
300 | case CX88_BOARD_HAUPPAUGE_HVR4000LITE: | |
f1735bb2 EB |
301 | case CX88_BOARD_PCHDTV_HD3000: |
302 | case CX88_BOARD_PCHDTV_HD5500: | |
501d8cd4 | 303 | case CX88_BOARD_HAUPPAUGE_IRONLY: |
af86ce79 | 304 | ir_codes = RC_MAP_HAUPPAUGE; |
41ef7c1e | 305 | ir->sampling = 1; |
1da177e4 | 306 | break; |
2de873e6 | 307 | case CX88_BOARD_WINFAST_DTV2000H: |
4d14c833 | 308 | case CX88_BOARD_WINFAST_DTV2000H_J: |
3047a176 | 309 | case CX88_BOARD_WINFAST_DTV1800H: |
8eb79c0b | 310 | case CX88_BOARD_WINFAST_DTV1800H_XC4000: |
f271a3af | 311 | case CX88_BOARD_WINFAST_DTV2000H_PLUS: |
02858eed | 312 | ir_codes = RC_MAP_WINFAST; |
41ef7c1e | 313 | ir->gpio_addr = MO_GP0_IO; |
1da177e4 | 314 | ir->mask_keycode = 0x8f8; |
41ef7c1e | 315 | ir->mask_keyup = 0x100; |
2de873e6 | 316 | ir->polling = 50; /* ms */ |
1da177e4 | 317 | break; |
ff97d93d | 318 | case CX88_BOARD_WINFAST2000XP_EXPERT: |
e7d11ecb | 319 | case CX88_BOARD_WINFAST_DTV1000: |
3e9a4897 | 320 | case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL: |
84463d5f IV |
321 | case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F36: |
322 | case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F43: | |
02858eed | 323 | ir_codes = RC_MAP_WINFAST; |
ff97d93d HP |
324 | ir->gpio_addr = MO_GP0_IO; |
325 | ir->mask_keycode = 0x8f8; | |
326 | ir->mask_keyup = 0x100; | |
327 | ir->polling = 1; /* ms */ | |
328 | break; | |
1da177e4 | 329 | case CX88_BOARD_IODATA_GVBCTV7E: |
02858eed | 330 | ir_codes = RC_MAP_IODATA_BCTV7E; |
41ef7c1e | 331 | ir->gpio_addr = MO_GP0_IO; |
1da177e4 LT |
332 | ir->mask_keycode = 0xfd; |
333 | ir->mask_keydown = 0x02; | |
41ef7c1e | 334 | ir->polling = 5; /* ms */ |
1da177e4 | 335 | break; |
ff97d93d | 336 | case CX88_BOARD_PROLINK_PLAYTVPVR: |
239df2e2 | 337 | case CX88_BOARD_PIXELVIEW_PLAYTV_ULTRA_PRO: |
9dfe4e83 MCC |
338 | /* |
339 | * It seems that this hardware is paired with NEC extended | |
340 | * address 0x866b. So, unfortunately, its usage with other | |
341 | * IR's with different address won't work. Still, there are | |
342 | * other IR's from the same manufacturer that works, like the | |
343 | * 002-T mini RC, provided with newer PV hardware | |
344 | */ | |
345 | ir_codes = RC_MAP_PIXELVIEW_MK12; | |
6d741bfe | 346 | rc_proto = RC_PROTO_BIT_NECX; |
41ef7c1e | 347 | ir->gpio_addr = MO_GP1_IO; |
41ef7c1e | 348 | ir->mask_keyup = 0x80; |
26d5683d | 349 | ir->polling = 10; /* ms */ |
9dfe4e83 | 350 | hardware_mask = 0x3f; /* Hardware returns only 6 bits from command part */ |
239df2e2 | 351 | break; |
7f0dd179 | 352 | case CX88_BOARD_PROLINK_PV_8000GT: |
a31d2bb7 | 353 | case CX88_BOARD_PROLINK_PV_GLOBAL_XTREME: |
02858eed | 354 | ir_codes = RC_MAP_PIXELVIEW_NEW; |
7f0dd179 MCC |
355 | ir->gpio_addr = MO_GP1_IO; |
356 | ir->mask_keycode = 0x3f; | |
357 | ir->mask_keyup = 0x80; | |
358 | ir->polling = 1; /* ms */ | |
359 | break; | |
b639f9d2 | 360 | case CX88_BOARD_KWORLD_LTV883: |
02858eed | 361 | ir_codes = RC_MAP_PIXELVIEW; |
b639f9d2 NS |
362 | ir->gpio_addr = MO_GP1_IO; |
363 | ir->mask_keycode = 0x1f; | |
364 | ir->mask_keyup = 0x60; | |
365 | ir->polling = 1; /* ms */ | |
366 | break; | |
a82decf6 | 367 | case CX88_BOARD_ADSTECH_DVB_T_PCI: |
02858eed | 368 | ir_codes = RC_MAP_ADSTECH_DVB_T_PCI; |
41ef7c1e | 369 | ir->gpio_addr = MO_GP1_IO; |
a82decf6 | 370 | ir->mask_keycode = 0xbf; |
41ef7c1e MCC |
371 | ir->mask_keyup = 0x40; |
372 | ir->polling = 50; /* ms */ | |
373 | break; | |
374 | case CX88_BOARD_MSI_TVANYWHERE_MASTER: | |
02858eed | 375 | ir_codes = RC_MAP_MSI_TVANYWHERE; |
41ef7c1e MCC |
376 | ir->gpio_addr = MO_GP1_IO; |
377 | ir->mask_keycode = 0x1f; | |
378 | ir->mask_keyup = 0x40; | |
379 | ir->polling = 1; /* ms */ | |
a82decf6 | 380 | break; |
899ad11b | 381 | case CX88_BOARD_AVERTV_303: |
565f4949 | 382 | case CX88_BOARD_AVERTV_STUDIO_303: |
02858eed | 383 | ir_codes = RC_MAP_AVERTV_303; |
899ad11b GG |
384 | ir->gpio_addr = MO_GP2_IO; |
385 | ir->mask_keycode = 0xfb; | |
386 | ir->mask_keydown = 0x02; | |
387 | ir->polling = 50; /* ms */ | |
388 | break; | |
d8d86225 IL |
389 | case CX88_BOARD_OMICOM_SS4_PCI: |
390 | case CX88_BOARD_SATTRADE_ST4200: | |
391 | case CX88_BOARD_TBS_8920: | |
392 | case CX88_BOARD_TBS_8910: | |
393 | case CX88_BOARD_PROF_7300: | |
b699c271 | 394 | case CX88_BOARD_PROF_7301: |
d8d86225 | 395 | case CX88_BOARD_PROF_6200: |
02858eed | 396 | ir_codes = RC_MAP_TBS_NEC; |
d8d86225 IL |
397 | ir->sampling = 0xff00; /* address */ |
398 | break; | |
0cb73639 | 399 | case CX88_BOARD_TEVII_S464: |
d8d86225 IL |
400 | case CX88_BOARD_TEVII_S460: |
401 | case CX88_BOARD_TEVII_S420: | |
02858eed | 402 | ir_codes = RC_MAP_TEVII_NEC; |
d8d86225 IL |
403 | ir->sampling = 0xff00; /* address */ |
404 | break; | |
fc40b261 | 405 | case CX88_BOARD_DNTV_LIVE_DVB_T_PRO: |
02858eed | 406 | ir_codes = RC_MAP_DNTV_LIVE_DVBT_PRO; |
715a2233 | 407 | ir->sampling = 0xff00; /* address */ |
fc40b261 | 408 | break; |
d1009bd7 | 409 | case CX88_BOARD_NORWOOD_MICRO: |
02858eed | 410 | ir_codes = RC_MAP_NORWOOD; |
d1009bd7 PN |
411 | ir->gpio_addr = MO_GP1_IO; |
412 | ir->mask_keycode = 0x0e; | |
413 | ir->mask_keyup = 0x80; | |
414 | ir->polling = 50; /* ms */ | |
415 | break; | |
be4f4519 | 416 | case CX88_BOARD_NPGTECH_REALTV_TOP10FM: |
02858eed | 417 | ir_codes = RC_MAP_NPGTECH; |
715a2233 | 418 | ir->gpio_addr = MO_GP0_IO; |
680543c5 | 419 | ir->mask_keycode = 0xfa; |
715a2233 | 420 | ir->polling = 50; /* ms */ |
680543c5 | 421 | break; |
9121106a | 422 | case CX88_BOARD_PINNACLE_PCTV_HD_800i: |
02858eed | 423 | ir_codes = RC_MAP_PINNACLE_PCTV_HD; |
715a2233 | 424 | ir->sampling = 1; |
9121106a | 425 | break; |
ba928034 | 426 | case CX88_BOARD_POWERCOLOR_REAL_ANGEL: |
02858eed | 427 | ir_codes = RC_MAP_POWERCOLOR_REAL_ANGEL; |
715a2233 | 428 | ir->gpio_addr = MO_GP2_IO; |
ba928034 | 429 | ir->mask_keycode = 0x7e; |
715a2233 | 430 | ir->polling = 100; /* ms */ |
ba928034 | 431 | break; |
111ac84a SI |
432 | case CX88_BOARD_TWINHAN_VP1027_DVBS: |
433 | ir_codes = RC_MAP_TWINHAN_VP1027_DVBS; | |
111ac84a SI |
434 | ir->sampling = 0xff00; /* address */ |
435 | break; | |
1da177e4 | 436 | } |
b45009b0 | 437 | |
2997137b | 438 | if (!ir_codes) { |
b07b4783 DT |
439 | err = -ENODEV; |
440 | goto err_out_free; | |
1da177e4 LT |
441 | } |
442 | ||
9dfe4e83 MCC |
443 | /* |
444 | * The usage of mask_keycode were very convenient, due to several | |
445 | * reasons. Among others, the scancode tables were using the scancode | |
446 | * as the index elements. So, the less bits it was used, the smaller | |
447 | * the table were stored. After the input changes, the better is to use | |
448 | * the full scancodes, since it allows replacing the IR remote by | |
449 | * another one. Unfortunately, there are still some hardware, like | |
450 | * Pixelview Ultra Pro, where only part of the scancode is sent via | |
451 | * GPIO. So, there's no way to get the full scancode. Due to that, | |
452 | * hardware_mask were introduced here: it represents those hardware | |
453 | * that has such limits. | |
454 | */ | |
455 | if (hardware_mask && !ir->mask_keycode) | |
456 | ir->mask_keycode = hardware_mask; | |
457 | ||
1da177e4 | 458 | /* init input device */ |
6a59d64c | 459 | snprintf(ir->name, sizeof(ir->name), "cx88 IR (%s)", core->board.name); |
41ef7c1e | 460 | snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0", pci_name(pci)); |
1da177e4 | 461 | |
518f4b26 | 462 | dev->device_name = ir->name; |
d8b4b582 DH |
463 | dev->input_phys = ir->phys; |
464 | dev->input_id.bustype = BUS_PCI; | |
465 | dev->input_id.version = 1; | |
1da177e4 | 466 | if (pci->subsystem_vendor) { |
d8b4b582 DH |
467 | dev->input_id.vendor = pci->subsystem_vendor; |
468 | dev->input_id.product = pci->subsystem_device; | |
1da177e4 | 469 | } else { |
d8b4b582 DH |
470 | dev->input_id.vendor = pci->vendor; |
471 | dev->input_id.product = pci->device; | |
1da177e4 | 472 | } |
d8b4b582 DH |
473 | dev->dev.parent = &pci->dev; |
474 | dev->map_name = ir_codes; | |
475 | dev->driver_name = MODULE_NAME; | |
476 | dev->priv = core; | |
477 | dev->open = cx88_ir_open; | |
478 | dev->close = cx88_ir_close; | |
9d2f1d3c | 479 | dev->scancode_mask = hardware_mask; |
1da177e4 | 480 | |
2997137b | 481 | if (ir->sampling) { |
d8b4b582 DH |
482 | dev->timeout = 10 * 1000 * 1000; /* 10 ms */ |
483 | } else { | |
484 | dev->driver_type = RC_DRIVER_SCANCODE; | |
6d741bfe | 485 | dev->allowed_protocols = rc_proto; |
d8b4b582 DH |
486 | } |
487 | ||
488 | ir->core = core; | |
489 | core->ir = ir; | |
1da177e4 LT |
490 | |
491 | /* all done */ | |
d8b4b582 | 492 | err = rc_register_device(dev); |
b07b4783 | 493 | if (err) |
92f4fc10 | 494 | goto err_out_free; |
1da177e4 LT |
495 | |
496 | return 0; | |
b07b4783 | 497 | |
d8b4b582 DH |
498 | err_out_free: |
499 | rc_free_device(dev); | |
92f4fc10 | 500 | core->ir = NULL; |
b07b4783 DT |
501 | kfree(ir); |
502 | return err; | |
1da177e4 LT |
503 | } |
504 | ||
505 | int cx88_ir_fini(struct cx88_core *core) | |
506 | { | |
507 | struct cx88_IR *ir = core->ir; | |
508 | ||
509 | /* skip detach on non attached boards */ | |
399426ca | 510 | if (!ir) |
1da177e4 LT |
511 | return 0; |
512 | ||
92f4fc10 | 513 | cx88_ir_stop(core); |
d8b4b582 | 514 | rc_unregister_device(ir->dev); |
1da177e4 LT |
515 | kfree(ir); |
516 | ||
517 | /* done */ | |
518 | core->ir = NULL; | |
519 | return 0; | |
520 | } | |
521 | ||
522 | /* ---------------------------------------------------------------------- */ | |
523 | ||
524 | void cx88_ir_irq(struct cx88_core *core) | |
525 | { | |
526 | struct cx88_IR *ir = core->ir; | |
2997137b | 527 | u32 samples; |
7b61ba8f | 528 | unsigned int todo, bits; |
183e19f5 | 529 | struct ir_raw_event ev = {}; |
1da177e4 | 530 | |
2997137b | 531 | if (!ir || !ir->sampling) |
1da177e4 LT |
532 | return; |
533 | ||
2997137b DH |
534 | /* |
535 | * Samples are stored in a 32 bit register, oldest sample in | |
536 | * the msb. A set bit represents space and an unset bit | |
537 | * represents a pulse. | |
538 | */ | |
1da177e4 | 539 | samples = cx_read(MO_SAMPLE_IO); |
e52e98a7 | 540 | |
d8b4b582 | 541 | if (samples == 0xff && ir->dev->idle) |
2997137b | 542 | return; |
e52e98a7 | 543 | |
2997137b DH |
544 | for (todo = 32; todo > 0; todo -= bits) { |
545 | ev.pulse = samples & 0x80000000 ? false : true; | |
546 | bits = min(todo, 32U - fls(ev.pulse ? samples : ~samples)); | |
2a164d02 | 547 | ev.duration = (bits * (NSEC_PER_SEC / 1000)) / ir_samplerate; |
d8b4b582 | 548 | ir_raw_event_store_with_filter(ir->dev, &ev); |
2997137b | 549 | samples <<= bits; |
1da177e4 | 550 | } |
d8b4b582 | 551 | ir_raw_event_handle(ir->dev); |
1da177e4 LT |
552 | } |
553 | ||
6d741bfe | 554 | static int get_key_pvr2000(struct IR_i2c *ir, enum rc_proto *protocol, |
4dd9bb91 | 555 | u32 *scancode, u8 *toggle) |
1c0eb0ff MCC |
556 | { |
557 | int flags, code; | |
558 | ||
559 | /* poll IR chip */ | |
560 | flags = i2c_smbus_read_byte_data(ir->c, 0x10); | |
561 | if (flags < 0) { | |
562 | dprintk("read error\n"); | |
563 | return 0; | |
564 | } | |
565 | /* key pressed ? */ | |
566 | if (0 == (flags & 0x80)) | |
567 | return 0; | |
568 | ||
569 | /* read actual key code */ | |
570 | code = i2c_smbus_read_byte_data(ir->c, 0x00); | |
571 | if (code < 0) { | |
572 | dprintk("read error\n"); | |
573 | return 0; | |
574 | } | |
575 | ||
576 | dprintk("IR Key/Flags: (0x%02x/0x%02x)\n", | |
399426ca | 577 | code & 0xff, flags & 0xff); |
1c0eb0ff | 578 | |
6d741bfe | 579 | *protocol = RC_PROTO_UNKNOWN; |
4dd9bb91 DH |
580 | *scancode = code & 0xff; |
581 | *toggle = 0; | |
1c0eb0ff MCC |
582 | return 1; |
583 | } | |
584 | ||
44243fc2 MCC |
585 | void cx88_i2c_init_ir(struct cx88_core *core) |
586 | { | |
587 | struct i2c_board_info info; | |
4b8a14c8 | 588 | static const unsigned short default_addr_list[] = { |
44243fc2 MCC |
589 | 0x18, 0x6b, 0x71, |
590 | I2C_CLIENT_END | |
591 | }; | |
4b8a14c8 | 592 | static const unsigned short pvr2000_addr_list[] = { |
1c0eb0ff MCC |
593 | 0x18, 0x1a, |
594 | I2C_CLIENT_END | |
595 | }; | |
596 | const unsigned short *addr_list = default_addr_list; | |
44243fc2 MCC |
597 | const unsigned short *addrp; |
598 | /* Instantiate the IR receiver device, if present */ | |
7b61ba8f | 599 | if (core->i2c_rc != 0) |
44243fc2 MCC |
600 | return; |
601 | ||
602 | memset(&info, 0, sizeof(struct i2c_board_info)); | |
c0decac1 | 603 | strscpy(info.type, "ir_video", I2C_NAME_SIZE); |
44243fc2 | 604 | |
1c0eb0ff MCC |
605 | switch (core->boardnr) { |
606 | case CX88_BOARD_LEADTEK_PVR2000: | |
607 | addr_list = pvr2000_addr_list; | |
608 | core->init_data.name = "cx88 Leadtek PVR 2000 remote"; | |
6d741bfe | 609 | core->init_data.type = RC_PROTO_BIT_UNKNOWN; |
1c0eb0ff MCC |
610 | core->init_data.get_key = get_key_pvr2000; |
611 | core->init_data.ir_codes = RC_MAP_EMPTY; | |
612 | break; | |
613 | } | |
614 | ||
44243fc2 MCC |
615 | /* |
616 | * We can't call i2c_new_probed_device() because it uses | |
617 | * quick writes for probing and at least some RC receiver | |
618 | * devices only reply to reads. | |
619 | * Also, Hauppauge XVR needs to be specified, as address 0x71 | |
620 | * conflicts with another remote type used with saa7134 | |
621 | */ | |
622 | for (addrp = addr_list; *addrp != I2C_CLIENT_END; addrp++) { | |
623 | info.platform_data = NULL; | |
624 | memset(&core->init_data, 0, sizeof(core->init_data)); | |
625 | ||
626 | if (*addrp == 0x71) { | |
39054f07 | 627 | /* Hauppauge Z8F0811 */ |
c0decac1 | 628 | strscpy(info.type, "ir_z8f0811_haup", I2C_NAME_SIZE); |
39054f07 | 629 | core->init_data.name = core->board.name; |
af86ce79 | 630 | core->init_data.ir_codes = RC_MAP_HAUPPAUGE; |
6d741bfe SY |
631 | core->init_data.type = RC_PROTO_BIT_RC5 | |
632 | RC_PROTO_BIT_RC6_MCE | RC_PROTO_BIT_RC6_6A_32; | |
44243fc2 MCC |
633 | core->init_data.internal_get_key_func = IR_KBD_GET_KEY_HAUP_XVR; |
634 | ||
635 | info.platform_data = &core->init_data; | |
636 | } | |
637 | if (i2c_smbus_xfer(&core->i2c_adap, *addrp, 0, | |
399426ca MCC |
638 | I2C_SMBUS_READ, 0, |
639 | I2C_SMBUS_QUICK, NULL) >= 0) { | |
44243fc2 MCC |
640 | info.addr = *addrp; |
641 | i2c_new_device(&core->i2c_adap, &info); | |
642 | break; | |
643 | } | |
644 | } | |
645 | } | |
646 | ||
1da177e4 LT |
647 | /* ---------------------------------------------------------------------- */ |
648 | ||
649 | MODULE_AUTHOR("Gerd Knorr, Pavel Machek, Chris Pascoe"); | |
650 | MODULE_DESCRIPTION("input driver for cx88 GPIO-based IR remote controls"); | |
651 | MODULE_LICENSE("GPL"); |