Commit | Line | Data |
---|---|---|
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> | |
29 | #include <linux/module.h> | |
1da177e4 | 30 | |
1da177e4 | 31 | #include "cx88.h" |
d21838dd | 32 | #include <media/ir-common.h> |
1da177e4 LT |
33 | |
34 | /* ---------------------------------------------------------------------- */ | |
35 | ||
1da177e4 | 36 | struct cx88_IR { |
41ef7c1e | 37 | struct cx88_core *core; |
b7df3910 | 38 | struct input_dev *input; |
41ef7c1e MCC |
39 | struct ir_input_state ir; |
40 | char name[32]; | |
41 | char phys[32]; | |
1da177e4 LT |
42 | |
43 | /* sample from gpio pin 16 */ | |
fc40b261 | 44 | u32 sampling; |
41ef7c1e MCC |
45 | u32 samples[16]; |
46 | int scount; | |
47 | unsigned long release; | |
1da177e4 LT |
48 | |
49 | /* poll external decoder */ | |
41ef7c1e | 50 | int polling; |
3c1c48bb | 51 | struct hrtimer timer; |
41ef7c1e MCC |
52 | u32 gpio_addr; |
53 | u32 last_gpio; | |
54 | u32 mask_keycode; | |
55 | u32 mask_keydown; | |
56 | u32 mask_keyup; | |
1da177e4 LT |
57 | }; |
58 | ||
ff699e6b | 59 | static int ir_debug; |
41ef7c1e | 60 | module_param(ir_debug, int, 0644); /* debug level [IR] */ |
1da177e4 LT |
61 | MODULE_PARM_DESC(ir_debug, "enable debug messages [IR]"); |
62 | ||
63 | #define ir_dprintk(fmt, arg...) if (ir_debug) \ | |
e52e98a7 | 64 | printk(KERN_DEBUG "%s IR: " fmt , ir->core->name , ##arg) |
1da177e4 LT |
65 | |
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: |
680543c5 RC |
77 | /* This board apparently uses a combination of 2 GPIO |
78 | to represent the keys. Additionally, the second GPIO | |
79 | can be used for parity. | |
80 | ||
81 | Example: | |
82 | ||
83 | for key "5" | |
84 | gpio = 0x758, auxgpio = 0xe5 or 0xf5 | |
85 | for key "Power" | |
86 | gpio = 0x758, auxgpio = 0xed or 0xfd | |
87 | */ | |
88 | ||
89 | auxgpio = cx_read(MO_GP1_IO); | |
90 | /* Take out the parity part */ | |
a62c61d3 | 91 | gpio=(gpio & 0x7fd) + (auxgpio & 0xef); |
829ea964 MK |
92 | break; |
93 | case CX88_BOARD_WINFAST_DTV1000: | |
3047a176 | 94 | case CX88_BOARD_WINFAST_DTV1800H: |
3e9a4897 | 95 | case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL: |
e7d11ecb EP |
96 | gpio = (gpio & 0x6ff) | ((cx_read(MO_GP1_IO) << 8) & 0x900); |
97 | auxgpio = gpio; | |
829ea964 MK |
98 | break; |
99 | default: | |
680543c5 | 100 | auxgpio = gpio; |
829ea964 | 101 | } |
1da177e4 | 102 | if (ir->polling) { |
680543c5 | 103 | if (ir->last_gpio == auxgpio) |
1da177e4 | 104 | return; |
680543c5 | 105 | ir->last_gpio = auxgpio; |
1da177e4 LT |
106 | } |
107 | ||
108 | /* extract data */ | |
109 | data = ir_extract_bits(gpio, ir->mask_keycode); | |
110 | ir_dprintk("irq gpio=0x%x code=%d | %s%s%s\n", | |
41ef7c1e MCC |
111 | gpio, data, |
112 | ir->polling ? "poll" : "irq", | |
113 | (gpio & ir->mask_keydown) ? " down" : "", | |
114 | (gpio & ir->mask_keyup) ? " up" : ""); | |
1da177e4 | 115 | |
6a59d64c | 116 | if (ir->core->boardnr == CX88_BOARD_NORWOOD_MICRO) { |
d1009bd7 PN |
117 | u32 gpio_key = cx_read(MO_GP0_IO); |
118 | ||
119 | data = (data << 4) | ((gpio_key & 0xf0) >> 4); | |
120 | ||
8573b74a | 121 | ir_input_keydown(ir->input, &ir->ir, data); |
d1009bd7 PN |
122 | ir_input_nokey(ir->input, &ir->ir); |
123 | ||
124 | } else if (ir->mask_keydown) { | |
1da177e4 LT |
125 | /* bit set on keydown */ |
126 | if (gpio & ir->mask_keydown) { | |
8573b74a | 127 | ir_input_keydown(ir->input, &ir->ir, data); |
1da177e4 | 128 | } else { |
b7df3910 | 129 | ir_input_nokey(ir->input, &ir->ir); |
1da177e4 LT |
130 | } |
131 | ||
132 | } else if (ir->mask_keyup) { | |
133 | /* bit cleared on keydown */ | |
134 | if (0 == (gpio & ir->mask_keyup)) { | |
8573b74a | 135 | ir_input_keydown(ir->input, &ir->ir, data); |
1da177e4 | 136 | } else { |
b7df3910 | 137 | ir_input_nokey(ir->input, &ir->ir); |
1da177e4 LT |
138 | } |
139 | ||
140 | } else { | |
141 | /* can't distinguish keydown/up :-/ */ | |
8573b74a | 142 | ir_input_keydown(ir->input, &ir->ir, data); |
b7df3910 | 143 | ir_input_nokey(ir->input, &ir->ir); |
1da177e4 LT |
144 | } |
145 | } | |
146 | ||
3c1c48bb | 147 | static enum hrtimer_restart cx88_ir_work(struct hrtimer *timer) |
1da177e4 | 148 | { |
3c1c48bb AH |
149 | unsigned long missed; |
150 | struct cx88_IR *ir = container_of(timer, struct cx88_IR, timer); | |
1da177e4 LT |
151 | |
152 | cx88_ir_handle_key(ir); | |
3c1c48bb AH |
153 | missed = hrtimer_forward_now(&ir->timer, |
154 | ktime_set(0, ir->polling * 1000000)); | |
155 | if (missed > 1) | |
156 | ir_dprintk("Missed ticks %ld\n", missed - 1); | |
157 | ||
158 | return HRTIMER_RESTART; | |
1da177e4 LT |
159 | } |
160 | ||
13595a51 | 161 | void cx88_ir_start(struct cx88_core *core, struct cx88_IR *ir) |
b07b4783 DT |
162 | { |
163 | if (ir->polling) { | |
3c1c48bb AH |
164 | hrtimer_init(&ir->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); |
165 | ir->timer.function = cx88_ir_work; | |
166 | hrtimer_start(&ir->timer, | |
167 | ktime_set(0, ir->polling * 1000000), | |
168 | HRTIMER_MODE_REL); | |
b07b4783 DT |
169 | } |
170 | if (ir->sampling) { | |
8ddac9ee | 171 | core->pci_irqmask |= PCI_INT_IR_SMPINT; |
b07b4783 DT |
172 | cx_write(MO_DDS_IO, 0xa80a80); /* 4 kHz sample rate */ |
173 | cx_write(MO_DDSCFG_IO, 0x5); /* enable */ | |
174 | } | |
175 | } | |
176 | ||
13595a51 | 177 | void cx88_ir_stop(struct cx88_core *core, struct cx88_IR *ir) |
b07b4783 DT |
178 | { |
179 | if (ir->sampling) { | |
180 | cx_write(MO_DDSCFG_IO, 0x0); | |
8ddac9ee | 181 | core->pci_irqmask &= ~PCI_INT_IR_SMPINT; |
b07b4783 DT |
182 | } |
183 | ||
569b7ec7 | 184 | if (ir->polling) |
3c1c48bb | 185 | hrtimer_cancel(&ir->timer); |
b07b4783 DT |
186 | } |
187 | ||
1da177e4 LT |
188 | /* ---------------------------------------------------------------------- */ |
189 | ||
190 | int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci) | |
191 | { | |
192 | struct cx88_IR *ir; | |
b7df3910 | 193 | struct input_dev *input_dev; |
715a2233 | 194 | struct ir_scancode_table *ir_codes = NULL; |
1da177e4 | 195 | int ir_type = IR_TYPE_OTHER; |
b07b4783 | 196 | int err = -ENOMEM; |
1da177e4 | 197 | |
b7df3910 DT |
198 | ir = kzalloc(sizeof(*ir), GFP_KERNEL); |
199 | input_dev = input_allocate_device(); | |
b07b4783 DT |
200 | if (!ir || !input_dev) |
201 | goto err_out_free; | |
b7df3910 DT |
202 | |
203 | ir->input = input_dev; | |
1da177e4 LT |
204 | |
205 | /* detect & configure */ | |
6a59d64c | 206 | switch (core->boardnr) { |
1da177e4 | 207 | case CX88_BOARD_DNTV_LIVE_DVB_T: |
b45009b0 | 208 | case CX88_BOARD_KWORLD_DVB_T: |
28ecc449 | 209 | case CX88_BOARD_KWORLD_DVB_T_CX22702: |
715a2233 | 210 | ir_codes = &ir_codes_dntv_live_dvb_t_table; |
41ef7c1e | 211 | ir->gpio_addr = MO_GP1_IO; |
1da177e4 | 212 | ir->mask_keycode = 0x1f; |
41ef7c1e MCC |
213 | ir->mask_keyup = 0x60; |
214 | ir->polling = 50; /* ms */ | |
1da177e4 | 215 | break; |
e52e98a7 | 216 | case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1: |
715a2233 | 217 | ir_codes = &ir_codes_cinergy_1400_table; |
e52e98a7 | 218 | ir_type = IR_TYPE_PD; |
fc40b261 | 219 | ir->sampling = 0xeb04; /* address */ |
e52e98a7 | 220 | break; |
1da177e4 LT |
221 | case CX88_BOARD_HAUPPAUGE: |
222 | case CX88_BOARD_HAUPPAUGE_DVB_T1: | |
fb56cb65 ST |
223 | case CX88_BOARD_HAUPPAUGE_NOVASE2_S1: |
224 | case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1: | |
611900c1 | 225 | case CX88_BOARD_HAUPPAUGE_HVR1100: |
76dc82ab | 226 | case CX88_BOARD_HAUPPAUGE_HVR3000: |
5bd1b663 ST |
227 | case CX88_BOARD_HAUPPAUGE_HVR4000: |
228 | case CX88_BOARD_HAUPPAUGE_HVR4000LITE: | |
f1735bb2 EB |
229 | case CX88_BOARD_PCHDTV_HD3000: |
230 | case CX88_BOARD_PCHDTV_HD5500: | |
501d8cd4 | 231 | case CX88_BOARD_HAUPPAUGE_IRONLY: |
715a2233 | 232 | ir_codes = &ir_codes_hauppauge_new_table; |
41ef7c1e MCC |
233 | ir_type = IR_TYPE_RC5; |
234 | ir->sampling = 1; | |
1da177e4 | 235 | break; |
2de873e6 | 236 | case CX88_BOARD_WINFAST_DTV2000H: |
4d14c833 | 237 | case CX88_BOARD_WINFAST_DTV2000H_J: |
3047a176 | 238 | case CX88_BOARD_WINFAST_DTV1800H: |
715a2233 | 239 | ir_codes = &ir_codes_winfast_table; |
41ef7c1e | 240 | ir->gpio_addr = MO_GP0_IO; |
1da177e4 | 241 | ir->mask_keycode = 0x8f8; |
41ef7c1e | 242 | ir->mask_keyup = 0x100; |
2de873e6 | 243 | ir->polling = 50; /* ms */ |
1da177e4 | 244 | break; |
ff97d93d | 245 | case CX88_BOARD_WINFAST2000XP_EXPERT: |
e7d11ecb | 246 | case CX88_BOARD_WINFAST_DTV1000: |
3e9a4897 | 247 | case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL: |
715a2233 | 248 | ir_codes = &ir_codes_winfast_table; |
ff97d93d HP |
249 | ir->gpio_addr = MO_GP0_IO; |
250 | ir->mask_keycode = 0x8f8; | |
251 | ir->mask_keyup = 0x100; | |
252 | ir->polling = 1; /* ms */ | |
253 | break; | |
1da177e4 | 254 | case CX88_BOARD_IODATA_GVBCTV7E: |
715a2233 | 255 | ir_codes = &ir_codes_iodata_bctv7e_table; |
41ef7c1e | 256 | ir->gpio_addr = MO_GP0_IO; |
1da177e4 LT |
257 | ir->mask_keycode = 0xfd; |
258 | ir->mask_keydown = 0x02; | |
41ef7c1e | 259 | ir->polling = 5; /* ms */ |
1da177e4 | 260 | break; |
ff97d93d | 261 | case CX88_BOARD_PROLINK_PLAYTVPVR: |
239df2e2 | 262 | case CX88_BOARD_PIXELVIEW_PLAYTV_ULTRA_PRO: |
715a2233 | 263 | ir_codes = &ir_codes_pixelview_table; |
41ef7c1e | 264 | ir->gpio_addr = MO_GP1_IO; |
239df2e2 | 265 | ir->mask_keycode = 0x1f; |
41ef7c1e MCC |
266 | ir->mask_keyup = 0x80; |
267 | ir->polling = 1; /* ms */ | |
239df2e2 | 268 | break; |
7f0dd179 | 269 | case CX88_BOARD_PROLINK_PV_8000GT: |
a31d2bb7 | 270 | case CX88_BOARD_PROLINK_PV_GLOBAL_XTREME: |
715a2233 | 271 | ir_codes = &ir_codes_pixelview_new_table; |
7f0dd179 MCC |
272 | ir->gpio_addr = MO_GP1_IO; |
273 | ir->mask_keycode = 0x3f; | |
274 | ir->mask_keyup = 0x80; | |
275 | ir->polling = 1; /* ms */ | |
276 | break; | |
b639f9d2 | 277 | case CX88_BOARD_KWORLD_LTV883: |
715a2233 | 278 | ir_codes = &ir_codes_pixelview_table; |
b639f9d2 NS |
279 | ir->gpio_addr = MO_GP1_IO; |
280 | ir->mask_keycode = 0x1f; | |
281 | ir->mask_keyup = 0x60; | |
282 | ir->polling = 1; /* ms */ | |
283 | break; | |
a82decf6 | 284 | case CX88_BOARD_ADSTECH_DVB_T_PCI: |
715a2233 | 285 | ir_codes = &ir_codes_adstech_dvb_t_pci_table; |
41ef7c1e | 286 | ir->gpio_addr = MO_GP1_IO; |
a82decf6 | 287 | ir->mask_keycode = 0xbf; |
41ef7c1e MCC |
288 | ir->mask_keyup = 0x40; |
289 | ir->polling = 50; /* ms */ | |
290 | break; | |
291 | case CX88_BOARD_MSI_TVANYWHERE_MASTER: | |
715a2233 | 292 | ir_codes = &ir_codes_msi_tvanywhere_table; |
41ef7c1e MCC |
293 | ir->gpio_addr = MO_GP1_IO; |
294 | ir->mask_keycode = 0x1f; | |
295 | ir->mask_keyup = 0x40; | |
296 | ir->polling = 1; /* ms */ | |
a82decf6 | 297 | break; |
899ad11b | 298 | case CX88_BOARD_AVERTV_303: |
565f4949 | 299 | case CX88_BOARD_AVERTV_STUDIO_303: |
715a2233 | 300 | ir_codes = &ir_codes_avertv_303_table; |
899ad11b GG |
301 | ir->gpio_addr = MO_GP2_IO; |
302 | ir->mask_keycode = 0xfb; | |
303 | ir->mask_keydown = 0x02; | |
304 | ir->polling = 50; /* ms */ | |
305 | break; | |
d8d86225 IL |
306 | case CX88_BOARD_OMICOM_SS4_PCI: |
307 | case CX88_BOARD_SATTRADE_ST4200: | |
308 | case CX88_BOARD_TBS_8920: | |
309 | case CX88_BOARD_TBS_8910: | |
310 | case CX88_BOARD_PROF_7300: | |
b699c271 | 311 | case CX88_BOARD_PROF_7301: |
d8d86225 IL |
312 | case CX88_BOARD_PROF_6200: |
313 | ir_codes = &ir_codes_tbs_nec_table; | |
314 | ir_type = IR_TYPE_PD; | |
315 | ir->sampling = 0xff00; /* address */ | |
316 | break; | |
317 | case CX88_BOARD_TEVII_S460: | |
318 | case CX88_BOARD_TEVII_S420: | |
9d2ba7ad | 319 | ir_codes = &ir_codes_tevii_nec_table; |
d8d86225 IL |
320 | ir_type = IR_TYPE_PD; |
321 | ir->sampling = 0xff00; /* address */ | |
322 | break; | |
fc40b261 | 323 | case CX88_BOARD_DNTV_LIVE_DVB_T_PRO: |
715a2233 MCC |
324 | ir_codes = &ir_codes_dntv_live_dvbt_pro_table; |
325 | ir_type = IR_TYPE_PD; | |
326 | ir->sampling = 0xff00; /* address */ | |
fc40b261 | 327 | break; |
d1009bd7 | 328 | case CX88_BOARD_NORWOOD_MICRO: |
715a2233 | 329 | ir_codes = &ir_codes_norwood_table; |
d1009bd7 PN |
330 | ir->gpio_addr = MO_GP1_IO; |
331 | ir->mask_keycode = 0x0e; | |
332 | ir->mask_keyup = 0x80; | |
333 | ir->polling = 50; /* ms */ | |
334 | break; | |
be4f4519 | 335 | case CX88_BOARD_NPGTECH_REALTV_TOP10FM: |
715a2233 MCC |
336 | ir_codes = &ir_codes_npgtech_table; |
337 | ir->gpio_addr = MO_GP0_IO; | |
680543c5 | 338 | ir->mask_keycode = 0xfa; |
715a2233 | 339 | ir->polling = 50; /* ms */ |
680543c5 | 340 | break; |
9121106a | 341 | case CX88_BOARD_PINNACLE_PCTV_HD_800i: |
715a2233 MCC |
342 | ir_codes = &ir_codes_pinnacle_pctv_hd_table; |
343 | ir_type = IR_TYPE_RC5; | |
344 | ir->sampling = 1; | |
9121106a | 345 | break; |
ba928034 | 346 | case CX88_BOARD_POWERCOLOR_REAL_ANGEL: |
715a2233 MCC |
347 | ir_codes = &ir_codes_powercolor_real_angel_table; |
348 | ir->gpio_addr = MO_GP2_IO; | |
ba928034 | 349 | ir->mask_keycode = 0x7e; |
715a2233 | 350 | ir->polling = 100; /* ms */ |
ba928034 | 351 | break; |
1da177e4 | 352 | } |
b45009b0 | 353 | |
1da177e4 | 354 | if (NULL == ir_codes) { |
b07b4783 DT |
355 | err = -ENODEV; |
356 | goto err_out_free; | |
1da177e4 LT |
357 | } |
358 | ||
359 | /* init input device */ | |
6a59d64c | 360 | snprintf(ir->name, sizeof(ir->name), "cx88 IR (%s)", core->board.name); |
41ef7c1e | 361 | snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0", pci_name(pci)); |
1da177e4 | 362 | |
579e7d60 | 363 | err = ir_input_init(input_dev, &ir->ir, ir_type); |
055cd556 MCC |
364 | if (err < 0) |
365 | goto err_out_free; | |
366 | ||
b7df3910 DT |
367 | input_dev->name = ir->name; |
368 | input_dev->phys = ir->phys; | |
369 | input_dev->id.bustype = BUS_PCI; | |
370 | input_dev->id.version = 1; | |
1da177e4 | 371 | if (pci->subsystem_vendor) { |
b7df3910 DT |
372 | input_dev->id.vendor = pci->subsystem_vendor; |
373 | input_dev->id.product = pci->subsystem_device; | |
1da177e4 | 374 | } else { |
b7df3910 DT |
375 | input_dev->id.vendor = pci->vendor; |
376 | input_dev->id.product = pci->device; | |
1da177e4 | 377 | } |
2c8a3a33 | 378 | input_dev->dev.parent = &pci->dev; |
1da177e4 LT |
379 | /* record handles to ourself */ |
380 | ir->core = core; | |
381 | core->ir = ir; | |
382 | ||
b07b4783 | 383 | cx88_ir_start(core, ir); |
1da177e4 LT |
384 | |
385 | /* all done */ | |
579e7d60 | 386 | err = ir_input_register(ir->input, ir_codes); |
b07b4783 DT |
387 | if (err) |
388 | goto err_out_stop; | |
1da177e4 LT |
389 | |
390 | return 0; | |
b07b4783 DT |
391 | |
392 | err_out_stop: | |
393 | cx88_ir_stop(core, ir); | |
394 | core->ir = NULL; | |
395 | err_out_free: | |
b07b4783 DT |
396 | kfree(ir); |
397 | return err; | |
1da177e4 LT |
398 | } |
399 | ||
400 | int cx88_ir_fini(struct cx88_core *core) | |
401 | { | |
402 | struct cx88_IR *ir = core->ir; | |
403 | ||
404 | /* skip detach on non attached boards */ | |
405 | if (NULL == ir) | |
406 | return 0; | |
407 | ||
b07b4783 | 408 | cx88_ir_stop(core, ir); |
38ef6aa8 | 409 | ir_input_unregister(ir->input); |
1da177e4 LT |
410 | kfree(ir); |
411 | ||
412 | /* done */ | |
413 | core->ir = NULL; | |
414 | return 0; | |
415 | } | |
416 | ||
417 | /* ---------------------------------------------------------------------- */ | |
418 | ||
419 | void cx88_ir_irq(struct cx88_core *core) | |
420 | { | |
421 | struct cx88_IR *ir = core->ir; | |
e52e98a7 | 422 | u32 samples, ircode; |
34c08029 | 423 | int i, start, range, toggle, dev, code; |
1da177e4 LT |
424 | |
425 | if (NULL == ir) | |
426 | return; | |
427 | if (!ir->sampling) | |
428 | return; | |
429 | ||
430 | samples = cx_read(MO_SAMPLE_IO); | |
41ef7c1e | 431 | if (0 != samples && 0xffffffff != samples) { |
1da177e4 LT |
432 | /* record sample data */ |
433 | if (ir->scount < ARRAY_SIZE(ir->samples)) | |
434 | ir->samples[ir->scount++] = samples; | |
435 | return; | |
436 | } | |
437 | if (!ir->scount) { | |
438 | /* nothing to sample */ | |
41ef7c1e | 439 | if (ir->ir.keypressed && time_after(jiffies, ir->release)) |
b7df3910 | 440 | ir_input_nokey(ir->input, &ir->ir); |
1da177e4 LT |
441 | return; |
442 | } | |
443 | ||
444 | /* have a complete sample */ | |
445 | if (ir->scount < ARRAY_SIZE(ir->samples)) | |
446 | ir->samples[ir->scount++] = samples; | |
447 | for (i = 0; i < ir->scount; i++) | |
448 | ir->samples[i] = ~ir->samples[i]; | |
449 | if (ir_debug) | |
41ef7c1e | 450 | ir_dump_samples(ir->samples, ir->scount); |
1da177e4 LT |
451 | |
452 | /* decode it */ | |
6a59d64c | 453 | switch (core->boardnr) { |
d8d86225 IL |
454 | case CX88_BOARD_TEVII_S460: |
455 | case CX88_BOARD_TEVII_S420: | |
e52e98a7 | 456 | case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1: |
fc40b261 | 457 | case CX88_BOARD_DNTV_LIVE_DVB_T_PRO: |
d8d86225 IL |
458 | case CX88_BOARD_OMICOM_SS4_PCI: |
459 | case CX88_BOARD_SATTRADE_ST4200: | |
460 | case CX88_BOARD_TBS_8920: | |
461 | case CX88_BOARD_TBS_8910: | |
462 | case CX88_BOARD_PROF_7300: | |
b699c271 | 463 | case CX88_BOARD_PROF_7301: |
d8d86225 | 464 | case CX88_BOARD_PROF_6200: |
e52e98a7 MCC |
465 | ircode = ir_decode_pulsedistance(ir->samples, ir->scount, 1, 4); |
466 | ||
467 | if (ircode == 0xffffffff) { /* decoding error */ | |
468 | ir_dprintk("pulse distance decoding error\n"); | |
469 | break; | |
470 | } | |
471 | ||
472 | ir_dprintk("pulse distance decoded: %x\n", ircode); | |
473 | ||
474 | if (ircode == 0) { /* key still pressed */ | |
475 | ir_dprintk("pulse distance decoded repeat code\n"); | |
476 | ir->release = jiffies + msecs_to_jiffies(120); | |
477 | break; | |
478 | } | |
479 | ||
fc40b261 | 480 | if ((ircode & 0xffff) != (ir->sampling & 0xffff)) { /* wrong address */ |
e52e98a7 | 481 | ir_dprintk("pulse distance decoded wrong address\n"); |
4ac97914 | 482 | break; |
e52e98a7 MCC |
483 | } |
484 | ||
485 | if (((~ircode >> 24) & 0xff) != ((ircode >> 16) & 0xff)) { /* wrong checksum */ | |
486 | ir_dprintk("pulse distance decoded wrong check sum\n"); | |
487 | break; | |
488 | } | |
489 | ||
490 | ir_dprintk("Key Code: %x\n", (ircode >> 16) & 0x7f); | |
491 | ||
8573b74a | 492 | ir_input_keydown(ir->input, &ir->ir, (ircode >> 16) & 0x7f); |
e52e98a7 MCC |
493 | ir->release = jiffies + msecs_to_jiffies(120); |
494 | break; | |
1da177e4 LT |
495 | case CX88_BOARD_HAUPPAUGE: |
496 | case CX88_BOARD_HAUPPAUGE_DVB_T1: | |
fb56cb65 ST |
497 | case CX88_BOARD_HAUPPAUGE_NOVASE2_S1: |
498 | case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1: | |
30367bfd | 499 | case CX88_BOARD_HAUPPAUGE_HVR1100: |
76dc82ab | 500 | case CX88_BOARD_HAUPPAUGE_HVR3000: |
5bd1b663 ST |
501 | case CX88_BOARD_HAUPPAUGE_HVR4000: |
502 | case CX88_BOARD_HAUPPAUGE_HVR4000LITE: | |
f1735bb2 EB |
503 | case CX88_BOARD_PCHDTV_HD3000: |
504 | case CX88_BOARD_PCHDTV_HD5500: | |
501d8cd4 | 505 | case CX88_BOARD_HAUPPAUGE_IRONLY: |
34c08029 DB |
506 | ircode = ir_decode_biphase(ir->samples, ir->scount, 5, 7); |
507 | ir_dprintk("biphase decoded: %x\n", ircode); | |
508 | /* | |
509 | * RC5 has an extension bit which adds a new range | |
510 | * of available codes, this is detected here. Also | |
511 | * hauppauge remotes (black/silver) always use | |
512 | * specific device ids. If we do not filter the | |
513 | * device ids then messages destined for devices | |
514 | * such as TVs (id=0) will get through to the | |
515 | * device causing mis-fired events. | |
516 | */ | |
517 | /* split rc5 data block ... */ | |
518 | start = (ircode & 0x2000) >> 13; | |
519 | range = (ircode & 0x1000) >> 12; | |
520 | toggle= (ircode & 0x0800) >> 11; | |
521 | dev = (ircode & 0x07c0) >> 6; | |
522 | code = (ircode & 0x003f) | ((range << 6) ^ 0x0040); | |
523 | if( start != 1) | |
524 | /* no key pressed */ | |
525 | break; | |
526 | if ( dev != 0x1e && dev != 0x1f ) | |
527 | /* not a hauppauge remote */ | |
528 | break; | |
8573b74a | 529 | ir_input_keydown(ir->input, &ir->ir, code); |
34c08029 DB |
530 | ir->release = jiffies + msecs_to_jiffies(120); |
531 | break; | |
532 | case CX88_BOARD_PINNACLE_PCTV_HD_800i: | |
e52e98a7 MCC |
533 | ircode = ir_decode_biphase(ir->samples, ir->scount, 5, 7); |
534 | ir_dprintk("biphase decoded: %x\n", ircode); | |
535 | if ((ircode & 0xfffff000) != 0x3000) | |
1da177e4 | 536 | break; |
8573b74a | 537 | ir_input_keydown(ir->input, &ir->ir, ircode & 0x3f); |
1da177e4 LT |
538 | ir->release = jiffies + msecs_to_jiffies(120); |
539 | break; | |
540 | } | |
541 | ||
542 | ir->scount = 0; | |
543 | return; | |
544 | } | |
545 | ||
546 | /* ---------------------------------------------------------------------- */ | |
547 | ||
548 | MODULE_AUTHOR("Gerd Knorr, Pavel Machek, Chris Pascoe"); | |
549 | MODULE_DESCRIPTION("input driver for cx88 GPIO-based IR remote controls"); | |
550 | MODULE_LICENSE("GPL"); | |
1da177e4 LT |
551 | /* |
552 | * Local variables: | |
553 | * c-basic-offset: 8 | |
554 | * End: | |
555 | */ |