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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 | 70 | |
1c0eb0ff MCC |
71 | #define dprintk(fmt, arg...) if (ir_debug) \ |
72 | printk(KERN_DEBUG "cx88 IR: " fmt , ##arg) | |
73 | ||
1da177e4 LT |
74 | /* ---------------------------------------------------------------------- */ |
75 | ||
76 | static void cx88_ir_handle_key(struct cx88_IR *ir) | |
77 | { | |
78 | struct cx88_core *core = ir->core; | |
680543c5 | 79 | u32 gpio, data, auxgpio; |
1da177e4 LT |
80 | |
81 | /* read gpio value */ | |
82 | gpio = cx_read(ir->gpio_addr); | |
6a59d64c | 83 | switch (core->boardnr) { |
829ea964 | 84 | case CX88_BOARD_NPGTECH_REALTV_TOP10FM: |
680543c5 RC |
85 | /* This board apparently uses a combination of 2 GPIO |
86 | to represent the keys. Additionally, the second GPIO | |
87 | can be used for parity. | |
88 | ||
89 | Example: | |
90 | ||
91 | for key "5" | |
92 | gpio = 0x758, auxgpio = 0xe5 or 0xf5 | |
93 | for key "Power" | |
94 | gpio = 0x758, auxgpio = 0xed or 0xfd | |
95 | */ | |
96 | ||
97 | auxgpio = cx_read(MO_GP1_IO); | |
98 | /* Take out the parity part */ | |
a62c61d3 | 99 | gpio=(gpio & 0x7fd) + (auxgpio & 0xef); |
829ea964 MK |
100 | break; |
101 | case CX88_BOARD_WINFAST_DTV1000: | |
3047a176 | 102 | case CX88_BOARD_WINFAST_DTV1800H: |
8eb79c0b | 103 | case CX88_BOARD_WINFAST_DTV1800H_XC4000: |
f271a3af | 104 | case CX88_BOARD_WINFAST_DTV2000H_PLUS: |
3e9a4897 | 105 | case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL: |
e7d11ecb EP |
106 | gpio = (gpio & 0x6ff) | ((cx_read(MO_GP1_IO) << 8) & 0x900); |
107 | auxgpio = gpio; | |
829ea964 MK |
108 | break; |
109 | default: | |
680543c5 | 110 | auxgpio = gpio; |
829ea964 | 111 | } |
1da177e4 | 112 | if (ir->polling) { |
680543c5 | 113 | if (ir->last_gpio == auxgpio) |
1da177e4 | 114 | return; |
680543c5 | 115 | ir->last_gpio = auxgpio; |
1da177e4 LT |
116 | } |
117 | ||
118 | /* extract data */ | |
119 | data = ir_extract_bits(gpio, ir->mask_keycode); | |
120 | ir_dprintk("irq gpio=0x%x code=%d | %s%s%s\n", | |
41ef7c1e MCC |
121 | gpio, data, |
122 | ir->polling ? "poll" : "irq", | |
123 | (gpio & ir->mask_keydown) ? " down" : "", | |
124 | (gpio & ir->mask_keyup) ? " up" : ""); | |
1da177e4 | 125 | |
6a59d64c | 126 | if (ir->core->boardnr == CX88_BOARD_NORWOOD_MICRO) { |
d1009bd7 PN |
127 | u32 gpio_key = cx_read(MO_GP0_IO); |
128 | ||
129 | data = (data << 4) | ((gpio_key & 0xf0) >> 4); | |
130 | ||
ca86674b | 131 | rc_keydown(ir->dev, data, 0); |
d1009bd7 PN |
132 | |
133 | } else if (ir->mask_keydown) { | |
1da177e4 | 134 | /* bit set on keydown */ |
3bbd3f2d | 135 | if (gpio & ir->mask_keydown) |
ca86674b | 136 | rc_keydown_notimeout(ir->dev, data, 0); |
62c65031 | 137 | else |
ca86674b | 138 | rc_keyup(ir->dev); |
1da177e4 LT |
139 | |
140 | } else if (ir->mask_keyup) { | |
141 | /* bit cleared on keydown */ | |
3bbd3f2d | 142 | if (0 == (gpio & ir->mask_keyup)) |
ca86674b | 143 | rc_keydown_notimeout(ir->dev, data, 0); |
62c65031 | 144 | else |
ca86674b | 145 | rc_keyup(ir->dev); |
1da177e4 LT |
146 | |
147 | } else { | |
148 | /* can't distinguish keydown/up :-/ */ | |
ca86674b MCC |
149 | rc_keydown_notimeout(ir->dev, data, 0); |
150 | rc_keyup(ir->dev); | |
1da177e4 LT |
151 | } |
152 | } | |
153 | ||
3c1c48bb | 154 | static enum hrtimer_restart cx88_ir_work(struct hrtimer *timer) |
1da177e4 | 155 | { |
3c1c48bb AH |
156 | unsigned long missed; |
157 | struct cx88_IR *ir = container_of(timer, struct cx88_IR, timer); | |
1da177e4 LT |
158 | |
159 | cx88_ir_handle_key(ir); | |
3c1c48bb AH |
160 | missed = hrtimer_forward_now(&ir->timer, |
161 | ktime_set(0, ir->polling * 1000000)); | |
162 | if (missed > 1) | |
163 | ir_dprintk("Missed ticks %ld\n", missed - 1); | |
164 | ||
165 | return HRTIMER_RESTART; | |
1da177e4 LT |
166 | } |
167 | ||
92f4fc10 | 168 | static int __cx88_ir_start(void *priv) |
b07b4783 | 169 | { |
92f4fc10 MCC |
170 | struct cx88_core *core = priv; |
171 | struct cx88_IR *ir; | |
172 | ||
173 | if (!core || !core->ir) | |
174 | return -EINVAL; | |
175 | ||
176 | ir = core->ir; | |
177 | ||
b07b4783 | 178 | if (ir->polling) { |
3c1c48bb AH |
179 | hrtimer_init(&ir->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); |
180 | ir->timer.function = cx88_ir_work; | |
181 | hrtimer_start(&ir->timer, | |
182 | ktime_set(0, ir->polling * 1000000), | |
183 | HRTIMER_MODE_REL); | |
b07b4783 DT |
184 | } |
185 | if (ir->sampling) { | |
8ddac9ee | 186 | core->pci_irqmask |= PCI_INT_IR_SMPINT; |
2997137b DH |
187 | cx_write(MO_DDS_IO, 0x33F286 * ir_samplerate); /* samplerate */ |
188 | cx_write(MO_DDSCFG_IO, 0x5); /* enable */ | |
b07b4783 | 189 | } |
92f4fc10 | 190 | return 0; |
b07b4783 DT |
191 | } |
192 | ||
92f4fc10 | 193 | static void __cx88_ir_stop(void *priv) |
b07b4783 | 194 | { |
92f4fc10 MCC |
195 | struct cx88_core *core = priv; |
196 | struct cx88_IR *ir; | |
197 | ||
198 | if (!core || !core->ir) | |
199 | return; | |
200 | ||
201 | ir = core->ir; | |
b07b4783 DT |
202 | if (ir->sampling) { |
203 | cx_write(MO_DDSCFG_IO, 0x0); | |
8ddac9ee | 204 | core->pci_irqmask &= ~PCI_INT_IR_SMPINT; |
b07b4783 DT |
205 | } |
206 | ||
569b7ec7 | 207 | if (ir->polling) |
3c1c48bb | 208 | hrtimer_cancel(&ir->timer); |
b07b4783 DT |
209 | } |
210 | ||
92f4fc10 MCC |
211 | int cx88_ir_start(struct cx88_core *core) |
212 | { | |
213 | if (core->ir->users) | |
214 | return __cx88_ir_start(core); | |
215 | ||
216 | return 0; | |
217 | } | |
218 | ||
219 | void cx88_ir_stop(struct cx88_core *core) | |
220 | { | |
221 | if (core->ir->users) | |
222 | __cx88_ir_stop(core); | |
223 | } | |
224 | ||
d8b4b582 | 225 | static int cx88_ir_open(struct rc_dev *rc) |
92f4fc10 | 226 | { |
d8b4b582 | 227 | struct cx88_core *core = rc->priv; |
92f4fc10 MCC |
228 | |
229 | core->ir->users++; | |
230 | return __cx88_ir_start(core); | |
231 | } | |
232 | ||
d8b4b582 | 233 | static void cx88_ir_close(struct rc_dev *rc) |
92f4fc10 | 234 | { |
d8b4b582 | 235 | struct cx88_core *core = rc->priv; |
92f4fc10 MCC |
236 | |
237 | core->ir->users--; | |
238 | if (!core->ir->users) | |
239 | __cx88_ir_stop(core); | |
240 | } | |
241 | ||
1da177e4 LT |
242 | /* ---------------------------------------------------------------------- */ |
243 | ||
244 | int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci) | |
245 | { | |
246 | struct cx88_IR *ir; | |
d8b4b582 | 247 | struct rc_dev *dev; |
02858eed | 248 | char *ir_codes = NULL; |
52b66144 | 249 | u64 rc_type = RC_TYPE_OTHER; |
b07b4783 | 250 | int err = -ENOMEM; |
9dfe4e83 MCC |
251 | u32 hardware_mask = 0; /* For devices with a hardware mask, when |
252 | * used with a full-code IR table | |
253 | */ | |
1da177e4 | 254 | |
b7df3910 | 255 | ir = kzalloc(sizeof(*ir), GFP_KERNEL); |
d8b4b582 DH |
256 | dev = rc_allocate_device(); |
257 | if (!ir || !dev) | |
b07b4783 | 258 | goto err_out_free; |
b7df3910 | 259 | |
d8b4b582 | 260 | ir->dev = dev; |
1da177e4 LT |
261 | |
262 | /* detect & configure */ | |
6a59d64c | 263 | switch (core->boardnr) { |
1da177e4 | 264 | case CX88_BOARD_DNTV_LIVE_DVB_T: |
b45009b0 | 265 | case CX88_BOARD_KWORLD_DVB_T: |
28ecc449 | 266 | case CX88_BOARD_KWORLD_DVB_T_CX22702: |
02858eed | 267 | ir_codes = RC_MAP_DNTV_LIVE_DVB_T; |
41ef7c1e | 268 | ir->gpio_addr = MO_GP1_IO; |
1da177e4 | 269 | ir->mask_keycode = 0x1f; |
41ef7c1e MCC |
270 | ir->mask_keyup = 0x60; |
271 | ir->polling = 50; /* ms */ | |
1da177e4 | 272 | break; |
e52e98a7 | 273 | case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1: |
02858eed | 274 | ir_codes = RC_MAP_CINERGY_1400; |
fc40b261 | 275 | ir->sampling = 0xeb04; /* address */ |
e52e98a7 | 276 | break; |
1da177e4 LT |
277 | case CX88_BOARD_HAUPPAUGE: |
278 | case CX88_BOARD_HAUPPAUGE_DVB_T1: | |
fb56cb65 ST |
279 | case CX88_BOARD_HAUPPAUGE_NOVASE2_S1: |
280 | case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1: | |
611900c1 | 281 | case CX88_BOARD_HAUPPAUGE_HVR1100: |
76dc82ab | 282 | case CX88_BOARD_HAUPPAUGE_HVR3000: |
5bd1b663 ST |
283 | case CX88_BOARD_HAUPPAUGE_HVR4000: |
284 | case CX88_BOARD_HAUPPAUGE_HVR4000LITE: | |
f1735bb2 EB |
285 | case CX88_BOARD_PCHDTV_HD3000: |
286 | case CX88_BOARD_PCHDTV_HD5500: | |
501d8cd4 | 287 | case CX88_BOARD_HAUPPAUGE_IRONLY: |
af86ce79 | 288 | ir_codes = RC_MAP_HAUPPAUGE; |
41ef7c1e | 289 | ir->sampling = 1; |
1da177e4 | 290 | break; |
2de873e6 | 291 | case CX88_BOARD_WINFAST_DTV2000H: |
4d14c833 | 292 | case CX88_BOARD_WINFAST_DTV2000H_J: |
3047a176 | 293 | case CX88_BOARD_WINFAST_DTV1800H: |
8eb79c0b | 294 | case CX88_BOARD_WINFAST_DTV1800H_XC4000: |
f271a3af | 295 | case CX88_BOARD_WINFAST_DTV2000H_PLUS: |
02858eed | 296 | ir_codes = RC_MAP_WINFAST; |
41ef7c1e | 297 | ir->gpio_addr = MO_GP0_IO; |
1da177e4 | 298 | ir->mask_keycode = 0x8f8; |
41ef7c1e | 299 | ir->mask_keyup = 0x100; |
2de873e6 | 300 | ir->polling = 50; /* ms */ |
1da177e4 | 301 | break; |
ff97d93d | 302 | case CX88_BOARD_WINFAST2000XP_EXPERT: |
e7d11ecb | 303 | case CX88_BOARD_WINFAST_DTV1000: |
3e9a4897 | 304 | case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL: |
02858eed | 305 | ir_codes = RC_MAP_WINFAST; |
ff97d93d HP |
306 | ir->gpio_addr = MO_GP0_IO; |
307 | ir->mask_keycode = 0x8f8; | |
308 | ir->mask_keyup = 0x100; | |
309 | ir->polling = 1; /* ms */ | |
310 | break; | |
1da177e4 | 311 | case CX88_BOARD_IODATA_GVBCTV7E: |
02858eed | 312 | ir_codes = RC_MAP_IODATA_BCTV7E; |
41ef7c1e | 313 | ir->gpio_addr = MO_GP0_IO; |
1da177e4 LT |
314 | ir->mask_keycode = 0xfd; |
315 | ir->mask_keydown = 0x02; | |
41ef7c1e | 316 | ir->polling = 5; /* ms */ |
1da177e4 | 317 | break; |
ff97d93d | 318 | case CX88_BOARD_PROLINK_PLAYTVPVR: |
239df2e2 | 319 | case CX88_BOARD_PIXELVIEW_PLAYTV_ULTRA_PRO: |
9dfe4e83 MCC |
320 | /* |
321 | * It seems that this hardware is paired with NEC extended | |
322 | * address 0x866b. So, unfortunately, its usage with other | |
323 | * IR's with different address won't work. Still, there are | |
324 | * other IR's from the same manufacturer that works, like the | |
325 | * 002-T mini RC, provided with newer PV hardware | |
326 | */ | |
327 | ir_codes = RC_MAP_PIXELVIEW_MK12; | |
41ef7c1e | 328 | ir->gpio_addr = MO_GP1_IO; |
41ef7c1e | 329 | ir->mask_keyup = 0x80; |
26d5683d | 330 | ir->polling = 10; /* ms */ |
9dfe4e83 | 331 | hardware_mask = 0x3f; /* Hardware returns only 6 bits from command part */ |
239df2e2 | 332 | break; |
7f0dd179 | 333 | case CX88_BOARD_PROLINK_PV_8000GT: |
a31d2bb7 | 334 | case CX88_BOARD_PROLINK_PV_GLOBAL_XTREME: |
02858eed | 335 | ir_codes = RC_MAP_PIXELVIEW_NEW; |
7f0dd179 MCC |
336 | ir->gpio_addr = MO_GP1_IO; |
337 | ir->mask_keycode = 0x3f; | |
338 | ir->mask_keyup = 0x80; | |
339 | ir->polling = 1; /* ms */ | |
340 | break; | |
b639f9d2 | 341 | case CX88_BOARD_KWORLD_LTV883: |
02858eed | 342 | ir_codes = RC_MAP_PIXELVIEW; |
b639f9d2 NS |
343 | ir->gpio_addr = MO_GP1_IO; |
344 | ir->mask_keycode = 0x1f; | |
345 | ir->mask_keyup = 0x60; | |
346 | ir->polling = 1; /* ms */ | |
347 | break; | |
a82decf6 | 348 | case CX88_BOARD_ADSTECH_DVB_T_PCI: |
02858eed | 349 | ir_codes = RC_MAP_ADSTECH_DVB_T_PCI; |
41ef7c1e | 350 | ir->gpio_addr = MO_GP1_IO; |
a82decf6 | 351 | ir->mask_keycode = 0xbf; |
41ef7c1e MCC |
352 | ir->mask_keyup = 0x40; |
353 | ir->polling = 50; /* ms */ | |
354 | break; | |
355 | case CX88_BOARD_MSI_TVANYWHERE_MASTER: | |
02858eed | 356 | ir_codes = RC_MAP_MSI_TVANYWHERE; |
41ef7c1e MCC |
357 | ir->gpio_addr = MO_GP1_IO; |
358 | ir->mask_keycode = 0x1f; | |
359 | ir->mask_keyup = 0x40; | |
360 | ir->polling = 1; /* ms */ | |
a82decf6 | 361 | break; |
899ad11b | 362 | case CX88_BOARD_AVERTV_303: |
565f4949 | 363 | case CX88_BOARD_AVERTV_STUDIO_303: |
02858eed | 364 | ir_codes = RC_MAP_AVERTV_303; |
899ad11b GG |
365 | ir->gpio_addr = MO_GP2_IO; |
366 | ir->mask_keycode = 0xfb; | |
367 | ir->mask_keydown = 0x02; | |
368 | ir->polling = 50; /* ms */ | |
369 | break; | |
d8d86225 IL |
370 | case CX88_BOARD_OMICOM_SS4_PCI: |
371 | case CX88_BOARD_SATTRADE_ST4200: | |
372 | case CX88_BOARD_TBS_8920: | |
373 | case CX88_BOARD_TBS_8910: | |
374 | case CX88_BOARD_PROF_7300: | |
b699c271 | 375 | case CX88_BOARD_PROF_7301: |
d8d86225 | 376 | case CX88_BOARD_PROF_6200: |
02858eed | 377 | ir_codes = RC_MAP_TBS_NEC; |
d8d86225 IL |
378 | ir->sampling = 0xff00; /* address */ |
379 | break; | |
0cb73639 | 380 | case CX88_BOARD_TEVII_S464: |
d8d86225 IL |
381 | case CX88_BOARD_TEVII_S460: |
382 | case CX88_BOARD_TEVII_S420: | |
02858eed | 383 | ir_codes = RC_MAP_TEVII_NEC; |
d8d86225 IL |
384 | ir->sampling = 0xff00; /* address */ |
385 | break; | |
fc40b261 | 386 | case CX88_BOARD_DNTV_LIVE_DVB_T_PRO: |
02858eed | 387 | ir_codes = RC_MAP_DNTV_LIVE_DVBT_PRO; |
715a2233 | 388 | ir->sampling = 0xff00; /* address */ |
fc40b261 | 389 | break; |
d1009bd7 | 390 | case CX88_BOARD_NORWOOD_MICRO: |
02858eed | 391 | ir_codes = RC_MAP_NORWOOD; |
d1009bd7 PN |
392 | ir->gpio_addr = MO_GP1_IO; |
393 | ir->mask_keycode = 0x0e; | |
394 | ir->mask_keyup = 0x80; | |
395 | ir->polling = 50; /* ms */ | |
396 | break; | |
be4f4519 | 397 | case CX88_BOARD_NPGTECH_REALTV_TOP10FM: |
02858eed | 398 | ir_codes = RC_MAP_NPGTECH; |
715a2233 | 399 | ir->gpio_addr = MO_GP0_IO; |
680543c5 | 400 | ir->mask_keycode = 0xfa; |
715a2233 | 401 | ir->polling = 50; /* ms */ |
680543c5 | 402 | break; |
9121106a | 403 | case CX88_BOARD_PINNACLE_PCTV_HD_800i: |
02858eed | 404 | ir_codes = RC_MAP_PINNACLE_PCTV_HD; |
715a2233 | 405 | ir->sampling = 1; |
9121106a | 406 | break; |
ba928034 | 407 | case CX88_BOARD_POWERCOLOR_REAL_ANGEL: |
02858eed | 408 | ir_codes = RC_MAP_POWERCOLOR_REAL_ANGEL; |
715a2233 | 409 | ir->gpio_addr = MO_GP2_IO; |
ba928034 | 410 | ir->mask_keycode = 0x7e; |
715a2233 | 411 | ir->polling = 100; /* ms */ |
ba928034 | 412 | break; |
111ac84a SI |
413 | case CX88_BOARD_TWINHAN_VP1027_DVBS: |
414 | ir_codes = RC_MAP_TWINHAN_VP1027_DVBS; | |
52b66144 | 415 | rc_type = RC_TYPE_NEC; |
111ac84a SI |
416 | ir->sampling = 0xff00; /* address */ |
417 | break; | |
1da177e4 | 418 | } |
b45009b0 | 419 | |
2997137b | 420 | if (!ir_codes) { |
b07b4783 DT |
421 | err = -ENODEV; |
422 | goto err_out_free; | |
1da177e4 LT |
423 | } |
424 | ||
9dfe4e83 MCC |
425 | /* |
426 | * The usage of mask_keycode were very convenient, due to several | |
427 | * reasons. Among others, the scancode tables were using the scancode | |
428 | * as the index elements. So, the less bits it was used, the smaller | |
429 | * the table were stored. After the input changes, the better is to use | |
430 | * the full scancodes, since it allows replacing the IR remote by | |
431 | * another one. Unfortunately, there are still some hardware, like | |
432 | * Pixelview Ultra Pro, where only part of the scancode is sent via | |
433 | * GPIO. So, there's no way to get the full scancode. Due to that, | |
434 | * hardware_mask were introduced here: it represents those hardware | |
435 | * that has such limits. | |
436 | */ | |
437 | if (hardware_mask && !ir->mask_keycode) | |
438 | ir->mask_keycode = hardware_mask; | |
439 | ||
1da177e4 | 440 | /* init input device */ |
6a59d64c | 441 | snprintf(ir->name, sizeof(ir->name), "cx88 IR (%s)", core->board.name); |
41ef7c1e | 442 | snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0", pci_name(pci)); |
1da177e4 | 443 | |
d8b4b582 DH |
444 | dev->input_name = ir->name; |
445 | dev->input_phys = ir->phys; | |
446 | dev->input_id.bustype = BUS_PCI; | |
447 | dev->input_id.version = 1; | |
1da177e4 | 448 | if (pci->subsystem_vendor) { |
d8b4b582 DH |
449 | dev->input_id.vendor = pci->subsystem_vendor; |
450 | dev->input_id.product = pci->subsystem_device; | |
1da177e4 | 451 | } else { |
d8b4b582 DH |
452 | dev->input_id.vendor = pci->vendor; |
453 | dev->input_id.product = pci->device; | |
1da177e4 | 454 | } |
d8b4b582 DH |
455 | dev->dev.parent = &pci->dev; |
456 | dev->map_name = ir_codes; | |
457 | dev->driver_name = MODULE_NAME; | |
458 | dev->priv = core; | |
459 | dev->open = cx88_ir_open; | |
460 | dev->close = cx88_ir_close; | |
461 | dev->scanmask = hardware_mask; | |
1da177e4 | 462 | |
2997137b | 463 | if (ir->sampling) { |
d8b4b582 DH |
464 | dev->driver_type = RC_DRIVER_IR_RAW; |
465 | dev->timeout = 10 * 1000 * 1000; /* 10 ms */ | |
466 | } else { | |
467 | dev->driver_type = RC_DRIVER_SCANCODE; | |
52b66144 | 468 | dev->allowed_protos = rc_type; |
d8b4b582 DH |
469 | } |
470 | ||
471 | ir->core = core; | |
472 | core->ir = ir; | |
1da177e4 LT |
473 | |
474 | /* all done */ | |
d8b4b582 | 475 | err = rc_register_device(dev); |
b07b4783 | 476 | if (err) |
92f4fc10 | 477 | goto err_out_free; |
1da177e4 LT |
478 | |
479 | return 0; | |
b07b4783 | 480 | |
d8b4b582 DH |
481 | err_out_free: |
482 | rc_free_device(dev); | |
92f4fc10 | 483 | core->ir = NULL; |
b07b4783 DT |
484 | kfree(ir); |
485 | return err; | |
1da177e4 LT |
486 | } |
487 | ||
488 | int cx88_ir_fini(struct cx88_core *core) | |
489 | { | |
490 | struct cx88_IR *ir = core->ir; | |
491 | ||
492 | /* skip detach on non attached boards */ | |
493 | if (NULL == ir) | |
494 | return 0; | |
495 | ||
92f4fc10 | 496 | cx88_ir_stop(core); |
d8b4b582 | 497 | rc_unregister_device(ir->dev); |
1da177e4 LT |
498 | kfree(ir); |
499 | ||
500 | /* done */ | |
501 | core->ir = NULL; | |
502 | return 0; | |
503 | } | |
504 | ||
505 | /* ---------------------------------------------------------------------- */ | |
506 | ||
507 | void cx88_ir_irq(struct cx88_core *core) | |
508 | { | |
509 | struct cx88_IR *ir = core->ir; | |
2997137b DH |
510 | u32 samples; |
511 | unsigned todo, bits; | |
512 | struct ir_raw_event ev; | |
1da177e4 | 513 | |
2997137b | 514 | if (!ir || !ir->sampling) |
1da177e4 LT |
515 | return; |
516 | ||
2997137b DH |
517 | /* |
518 | * Samples are stored in a 32 bit register, oldest sample in | |
519 | * the msb. A set bit represents space and an unset bit | |
520 | * represents a pulse. | |
521 | */ | |
1da177e4 | 522 | samples = cx_read(MO_SAMPLE_IO); |
e52e98a7 | 523 | |
d8b4b582 | 524 | if (samples == 0xff && ir->dev->idle) |
2997137b | 525 | return; |
e52e98a7 | 526 | |
2997137b DH |
527 | init_ir_raw_event(&ev); |
528 | for (todo = 32; todo > 0; todo -= bits) { | |
529 | ev.pulse = samples & 0x80000000 ? false : true; | |
530 | bits = min(todo, 32U - fls(ev.pulse ? samples : ~samples)); | |
2a164d02 | 531 | ev.duration = (bits * (NSEC_PER_SEC / 1000)) / ir_samplerate; |
d8b4b582 | 532 | ir_raw_event_store_with_filter(ir->dev, &ev); |
2997137b | 533 | samples <<= bits; |
1da177e4 | 534 | } |
d8b4b582 | 535 | ir_raw_event_handle(ir->dev); |
1da177e4 LT |
536 | } |
537 | ||
1c0eb0ff MCC |
538 | static int get_key_pvr2000(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) |
539 | { | |
540 | int flags, code; | |
541 | ||
542 | /* poll IR chip */ | |
543 | flags = i2c_smbus_read_byte_data(ir->c, 0x10); | |
544 | if (flags < 0) { | |
545 | dprintk("read error\n"); | |
546 | return 0; | |
547 | } | |
548 | /* key pressed ? */ | |
549 | if (0 == (flags & 0x80)) | |
550 | return 0; | |
551 | ||
552 | /* read actual key code */ | |
553 | code = i2c_smbus_read_byte_data(ir->c, 0x00); | |
554 | if (code < 0) { | |
555 | dprintk("read error\n"); | |
556 | return 0; | |
557 | } | |
558 | ||
559 | dprintk("IR Key/Flags: (0x%02x/0x%02x)\n", | |
560 | code & 0xff, flags & 0xff); | |
561 | ||
562 | *ir_key = code & 0xff; | |
563 | *ir_raw = code; | |
564 | return 1; | |
565 | } | |
566 | ||
44243fc2 MCC |
567 | void cx88_i2c_init_ir(struct cx88_core *core) |
568 | { | |
569 | struct i2c_board_info info; | |
1c0eb0ff | 570 | const unsigned short default_addr_list[] = { |
44243fc2 MCC |
571 | 0x18, 0x6b, 0x71, |
572 | I2C_CLIENT_END | |
573 | }; | |
1c0eb0ff MCC |
574 | const unsigned short pvr2000_addr_list[] = { |
575 | 0x18, 0x1a, | |
576 | I2C_CLIENT_END | |
577 | }; | |
578 | const unsigned short *addr_list = default_addr_list; | |
44243fc2 MCC |
579 | const unsigned short *addrp; |
580 | /* Instantiate the IR receiver device, if present */ | |
581 | if (0 != core->i2c_rc) | |
582 | return; | |
583 | ||
584 | memset(&info, 0, sizeof(struct i2c_board_info)); | |
585 | strlcpy(info.type, "ir_video", I2C_NAME_SIZE); | |
586 | ||
1c0eb0ff MCC |
587 | switch (core->boardnr) { |
588 | case CX88_BOARD_LEADTEK_PVR2000: | |
589 | addr_list = pvr2000_addr_list; | |
590 | core->init_data.name = "cx88 Leadtek PVR 2000 remote"; | |
591 | core->init_data.type = RC_TYPE_UNKNOWN; | |
592 | core->init_data.get_key = get_key_pvr2000; | |
593 | core->init_data.ir_codes = RC_MAP_EMPTY; | |
594 | break; | |
595 | } | |
596 | ||
44243fc2 MCC |
597 | /* |
598 | * We can't call i2c_new_probed_device() because it uses | |
599 | * quick writes for probing and at least some RC receiver | |
600 | * devices only reply to reads. | |
601 | * Also, Hauppauge XVR needs to be specified, as address 0x71 | |
602 | * conflicts with another remote type used with saa7134 | |
603 | */ | |
604 | for (addrp = addr_list; *addrp != I2C_CLIENT_END; addrp++) { | |
605 | info.platform_data = NULL; | |
606 | memset(&core->init_data, 0, sizeof(core->init_data)); | |
607 | ||
608 | if (*addrp == 0x71) { | |
609 | /* Hauppauge XVR */ | |
610 | core->init_data.name = "cx88 Hauppauge XVR remote"; | |
af86ce79 | 611 | core->init_data.ir_codes = RC_MAP_HAUPPAUGE; |
52b66144 | 612 | core->init_data.type = RC_TYPE_RC5; |
44243fc2 MCC |
613 | core->init_data.internal_get_key_func = IR_KBD_GET_KEY_HAUP_XVR; |
614 | ||
615 | info.platform_data = &core->init_data; | |
616 | } | |
617 | if (i2c_smbus_xfer(&core->i2c_adap, *addrp, 0, | |
618 | I2C_SMBUS_READ, 0, | |
619 | I2C_SMBUS_QUICK, NULL) >= 0) { | |
620 | info.addr = *addrp; | |
621 | i2c_new_device(&core->i2c_adap, &info); | |
622 | break; | |
623 | } | |
624 | } | |
625 | } | |
626 | ||
1da177e4 LT |
627 | /* ---------------------------------------------------------------------- */ |
628 | ||
629 | MODULE_AUTHOR("Gerd Knorr, Pavel Machek, Chris Pascoe"); | |
630 | MODULE_DESCRIPTION("input driver for cx88 GPIO-based IR remote controls"); | |
631 | MODULE_LICENSE("GPL"); |