1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
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
9 * Copyright (c) 2004, 2005 Chris Pascoe
10 */
11
12 #include "cx88.h"
13
14 #include <linux/init.h>
15 #include <linux/hrtimer.h>
16 #include <linux/pci.h>
17 #include <linux/slab.h>
18 #include <linux/module.h>
19
20 #include <media/rc-core.h>
21
22 #define MODULE_NAME "cx88xx"
23
24 /* ---------------------------------------------------------------------- */
25
26 struct cx88_IR {
27 struct cx88_core *core;
28 struct rc_dev *dev;
29
30 int users;
31
32 char name[32];
33 char phys[32];
34
35 /* sample from gpio pin 16 */
36 u32 sampling;
37
38 /* poll external decoder */
39 int polling;
40 struct hrtimer timer;
41 u32 gpio_addr;
42 u32 last_gpio;
43 u32 mask_keycode;
44 u32 mask_keydown;
45 u32 mask_keyup;
46 };
47
48 static unsigned int ir_samplerate = 4;
49 module_param(ir_samplerate, uint, 0444);
50 MODULE_PARM_DESC(ir_samplerate, "IR samplerate in kHz, 1 - 20, default 4");
51
52 static int ir_debug;
53 module_param(ir_debug, int, 0644); /* debug level [IR] */
54 MODULE_PARM_DESC(ir_debug, "enable debug messages [IR]");
55
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)
60
61 #define dprintk(fmt, arg...) do { \
62 if (ir_debug) \
63 printk(KERN_DEBUG "cx88 IR: " fmt, ##arg); \
64 } while (0)
65
66 /* ---------------------------------------------------------------------- */
67
cx88_ir_handle_key(struct cx88_IR * ir)68 static void cx88_ir_handle_key(struct cx88_IR *ir)
69 {
70 struct cx88_core *core = ir->core;
71 u32 gpio, data, auxgpio;
72
73 /* read gpio value */
74 gpio = cx_read(ir->gpio_addr);
75 switch (core->boardnr) {
76 case CX88_BOARD_NPGTECH_REALTV_TOP10FM:
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
88 */
89
90 auxgpio = cx_read(MO_GP1_IO);
91 /* Take out the parity part */
92 gpio = (gpio & 0x7fd) + (auxgpio & 0xef);
93 break;
94 case CX88_BOARD_WINFAST_DTV1000:
95 case CX88_BOARD_WINFAST_DTV1800H:
96 case CX88_BOARD_WINFAST_DTV1800H_XC4000:
97 case CX88_BOARD_WINFAST_DTV2000H_PLUS:
98 case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL:
99 case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F36:
100 case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F43:
101 gpio = (gpio & 0x6ff) | ((cx_read(MO_GP1_IO) << 8) & 0x900);
102 auxgpio = gpio;
103 break;
104 default:
105 auxgpio = gpio;
106 }
107 if (ir->polling) {
108 if (ir->last_gpio == auxgpio)
109 return;
110 ir->last_gpio = auxgpio;
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",
116 gpio, data,
117 ir->polling ? "poll" : "irq",
118 (gpio & ir->mask_keydown) ? " down" : "",
119 (gpio & ir->mask_keyup) ? " up" : "");
120
121 if (ir->core->boardnr == CX88_BOARD_NORWOOD_MICRO) {
122 u32 gpio_key = cx_read(MO_GP0_IO);
123
124 data = (data << 4) | ((gpio_key & 0xf0) >> 4);
125
126 rc_keydown(ir->dev, RC_PROTO_UNKNOWN, data, 0);
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))
140 rc_keydown_notimeout(ir->dev, RC_PROTO_NECX, scancode,
141 0);
142 else
143 rc_keyup(ir->dev);
144
145 } else if (ir->mask_keydown) {
146 /* bit set on keydown */
147 if (gpio & ir->mask_keydown)
148 rc_keydown_notimeout(ir->dev, RC_PROTO_UNKNOWN, data,
149 0);
150 else
151 rc_keyup(ir->dev);
152
153 } else if (ir->mask_keyup) {
154 /* bit cleared on keydown */
155 if (0 == (gpio & ir->mask_keyup))
156 rc_keydown_notimeout(ir->dev, RC_PROTO_UNKNOWN, data,
157 0);
158 else
159 rc_keyup(ir->dev);
160
161 } else {
162 /* can't distinguish keydown/up :-/ */
163 rc_keydown_notimeout(ir->dev, RC_PROTO_UNKNOWN, data, 0);
164 rc_keyup(ir->dev);
165 }
166 }
167
cx88_ir_work(struct hrtimer * timer)168 static enum hrtimer_restart cx88_ir_work(struct hrtimer *timer)
169 {
170 u64 missed;
171 struct cx88_IR *ir = container_of(timer, struct cx88_IR, timer);
172
173 cx88_ir_handle_key(ir);
174 missed = hrtimer_forward_now(&ir->timer,
175 ktime_set(0, ir->polling * 1000000));
176 if (missed > 1)
177 ir_dprintk("Missed ticks %llu\n", missed - 1);
178
179 return HRTIMER_RESTART;
180 }
181
__cx88_ir_start(void * priv)182 static int __cx88_ir_start(void *priv)
183 {
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
192 if (ir->polling) {
193 hrtimer_setup(&ir->timer, cx88_ir_work, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
194 hrtimer_start(&ir->timer,
195 ktime_set(0, ir->polling * 1000000),
196 HRTIMER_MODE_REL);
197 }
198 if (ir->sampling) {
199 core->pci_irqmask |= PCI_INT_IR_SMPINT;
200 cx_write(MO_DDS_IO, 0x33F286 * ir_samplerate); /* samplerate */
201 cx_write(MO_DDSCFG_IO, 0x5); /* enable */
202 }
203 return 0;
204 }
205
__cx88_ir_stop(void * priv)206 static void __cx88_ir_stop(void *priv)
207 {
208 struct cx88_core *core = priv;
209 struct cx88_IR *ir;
210
211 if (!core || !core->ir)
212 return;
213
214 ir = core->ir;
215 if (ir->sampling) {
216 cx_write(MO_DDSCFG_IO, 0x0);
217 core->pci_irqmask &= ~PCI_INT_IR_SMPINT;
218 }
219
220 if (ir->polling)
221 hrtimer_cancel(&ir->timer);
222 }
223
cx88_ir_start(struct cx88_core * core)224 int cx88_ir_start(struct cx88_core *core)
225 {
226 if (core->ir->users)
227 return __cx88_ir_start(core);
228
229 return 0;
230 }
231 EXPORT_SYMBOL(cx88_ir_start);
232
cx88_ir_stop(struct cx88_core * core)233 void cx88_ir_stop(struct cx88_core *core)
234 {
235 if (core->ir->users)
236 __cx88_ir_stop(core);
237 }
238 EXPORT_SYMBOL(cx88_ir_stop);
239
cx88_ir_open(struct rc_dev * rc)240 static int cx88_ir_open(struct rc_dev *rc)
241 {
242 struct cx88_core *core = rc->priv;
243
244 core->ir->users++;
245 return __cx88_ir_start(core);
246 }
247
cx88_ir_close(struct rc_dev * rc)248 static void cx88_ir_close(struct rc_dev *rc)
249 {
250 struct cx88_core *core = rc->priv;
251
252 core->ir->users--;
253 if (!core->ir->users)
254 __cx88_ir_stop(core);
255 }
256
257 /* ---------------------------------------------------------------------- */
258
cx88_ir_init(struct cx88_core * core,struct pci_dev * pci)259 int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci)
260 {
261 struct cx88_IR *ir;
262 struct rc_dev *dev;
263 char *ir_codes = NULL;
264 u64 rc_proto = RC_PROTO_BIT_OTHER;
265 int err = -ENOMEM;
266 u32 hardware_mask = 0; /* For devices with a hardware mask, when
267 * used with a full-code IR table
268 */
269
270 ir = kzalloc(sizeof(*ir), GFP_KERNEL);
271 dev = rc_allocate_device(RC_DRIVER_IR_RAW);
272 if (!ir || !dev)
273 goto err_out_free;
274
275 ir->dev = dev;
276
277 /* detect & configure */
278 switch (core->boardnr) {
279 case CX88_BOARD_DNTV_LIVE_DVB_T:
280 case CX88_BOARD_KWORLD_DVB_T:
281 case CX88_BOARD_KWORLD_DVB_T_CX22702:
282 ir_codes = RC_MAP_DNTV_LIVE_DVB_T;
283 ir->gpio_addr = MO_GP1_IO;
284 ir->mask_keycode = 0x1f;
285 ir->mask_keyup = 0x60;
286 ir->polling = 50; /* ms */
287 break;
288 case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1:
289 ir_codes = RC_MAP_CINERGY_1400;
290 ir->sampling = 0xeb04; /* address */
291 break;
292 case CX88_BOARD_HAUPPAUGE:
293 case CX88_BOARD_HAUPPAUGE_DVB_T1:
294 case CX88_BOARD_HAUPPAUGE_NOVASE2_S1:
295 case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1:
296 case CX88_BOARD_HAUPPAUGE_HVR1100:
297 case CX88_BOARD_HAUPPAUGE_HVR3000:
298 case CX88_BOARD_HAUPPAUGE_HVR4000:
299 case CX88_BOARD_HAUPPAUGE_HVR4000LITE:
300 case CX88_BOARD_PCHDTV_HD3000:
301 case CX88_BOARD_PCHDTV_HD5500:
302 case CX88_BOARD_HAUPPAUGE_IRONLY:
303 ir_codes = RC_MAP_HAUPPAUGE;
304 ir->sampling = 1;
305 break;
306 case CX88_BOARD_WINFAST_DTV2000H:
307 case CX88_BOARD_WINFAST_DTV2000H_J:
308 case CX88_BOARD_WINFAST_DTV1800H:
309 case CX88_BOARD_WINFAST_DTV1800H_XC4000:
310 case CX88_BOARD_WINFAST_DTV2000H_PLUS:
311 ir_codes = RC_MAP_WINFAST;
312 ir->gpio_addr = MO_GP0_IO;
313 ir->mask_keycode = 0x8f8;
314 ir->mask_keyup = 0x100;
315 ir->polling = 50; /* ms */
316 break;
317 case CX88_BOARD_WINFAST2000XP_EXPERT:
318 case CX88_BOARD_WINFAST_DTV1000:
319 case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL:
320 case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F36:
321 case CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F43:
322 ir_codes = RC_MAP_WINFAST;
323 ir->gpio_addr = MO_GP0_IO;
324 ir->mask_keycode = 0x8f8;
325 ir->mask_keyup = 0x100;
326 ir->polling = 1; /* ms */
327 break;
328 case CX88_BOARD_IODATA_GVBCTV7E:
329 ir_codes = RC_MAP_IODATA_BCTV7E;
330 ir->gpio_addr = MO_GP0_IO;
331 ir->mask_keycode = 0xfd;
332 ir->mask_keydown = 0x02;
333 ir->polling = 5; /* ms */
334 break;
335 case CX88_BOARD_PROLINK_PLAYTVPVR:
336 case CX88_BOARD_PIXELVIEW_PLAYTV_ULTRA_PRO:
337 /*
338 * It seems that this hardware is paired with NEC extended
339 * address 0x866b. So, unfortunately, its usage with other
340 * IR's with different address won't work. Still, there are
341 * other IR's from the same manufacturer that works, like the
342 * 002-T mini RC, provided with newer PV hardware
343 */
344 ir_codes = RC_MAP_PIXELVIEW_MK12;
345 rc_proto = RC_PROTO_BIT_NECX;
346 ir->gpio_addr = MO_GP1_IO;
347 ir->mask_keyup = 0x80;
348 ir->polling = 10; /* ms */
349 hardware_mask = 0x3f; /* Hardware returns only 6 bits from command part */
350 break;
351 case CX88_BOARD_PROLINK_PV_8000GT:
352 case CX88_BOARD_PROLINK_PV_GLOBAL_XTREME:
353 ir_codes = RC_MAP_PIXELVIEW_NEW;
354 ir->gpio_addr = MO_GP1_IO;
355 ir->mask_keycode = 0x3f;
356 ir->mask_keyup = 0x80;
357 ir->polling = 1; /* ms */
358 break;
359 case CX88_BOARD_KWORLD_LTV883:
360 ir_codes = RC_MAP_PIXELVIEW;
361 ir->gpio_addr = MO_GP1_IO;
362 ir->mask_keycode = 0x1f;
363 ir->mask_keyup = 0x60;
364 ir->polling = 1; /* ms */
365 break;
366 case CX88_BOARD_ADSTECH_DVB_T_PCI:
367 ir_codes = RC_MAP_ADSTECH_DVB_T_PCI;
368 ir->gpio_addr = MO_GP1_IO;
369 ir->mask_keycode = 0xbf;
370 ir->mask_keyup = 0x40;
371 ir->polling = 50; /* ms */
372 break;
373 case CX88_BOARD_MSI_TVANYWHERE_MASTER:
374 ir_codes = RC_MAP_MSI_TVANYWHERE;
375 ir->gpio_addr = MO_GP1_IO;
376 ir->mask_keycode = 0x1f;
377 ir->mask_keyup = 0x40;
378 ir->polling = 1; /* ms */
379 break;
380 case CX88_BOARD_AVERTV_303:
381 case CX88_BOARD_AVERTV_STUDIO_303:
382 ir_codes = RC_MAP_AVERTV_303;
383 ir->gpio_addr = MO_GP2_IO;
384 ir->mask_keycode = 0xfb;
385 ir->mask_keydown = 0x02;
386 ir->polling = 50; /* ms */
387 break;
388 case CX88_BOARD_OMICOM_SS4_PCI:
389 case CX88_BOARD_SATTRADE_ST4200:
390 case CX88_BOARD_TBS_8920:
391 case CX88_BOARD_TBS_8910:
392 case CX88_BOARD_PROF_7300:
393 case CX88_BOARD_PROF_7301:
394 case CX88_BOARD_PROF_6200:
395 ir_codes = RC_MAP_TBS_NEC;
396 ir->sampling = 0xff00; /* address */
397 break;
398 case CX88_BOARD_TEVII_S464:
399 case CX88_BOARD_TEVII_S460:
400 case CX88_BOARD_TEVII_S420:
401 ir_codes = RC_MAP_TEVII_NEC;
402 ir->sampling = 0xff00; /* address */
403 break;
404 case CX88_BOARD_DNTV_LIVE_DVB_T_PRO:
405 ir_codes = RC_MAP_DNTV_LIVE_DVBT_PRO;
406 ir->sampling = 0xff00; /* address */
407 break;
408 case CX88_BOARD_NORWOOD_MICRO:
409 ir_codes = RC_MAP_NORWOOD;
410 ir->gpio_addr = MO_GP1_IO;
411 ir->mask_keycode = 0x0e;
412 ir->mask_keyup = 0x80;
413 ir->polling = 50; /* ms */
414 break;
415 case CX88_BOARD_NPGTECH_REALTV_TOP10FM:
416 ir_codes = RC_MAP_NPGTECH;
417 ir->gpio_addr = MO_GP0_IO;
418 ir->mask_keycode = 0xfa;
419 ir->polling = 50; /* ms */
420 break;
421 case CX88_BOARD_PINNACLE_PCTV_HD_800i:
422 ir_codes = RC_MAP_PINNACLE_PCTV_HD;
423 ir->sampling = 1;
424 break;
425 case CX88_BOARD_POWERCOLOR_REAL_ANGEL:
426 ir_codes = RC_MAP_POWERCOLOR_REAL_ANGEL;
427 ir->gpio_addr = MO_GP2_IO;
428 ir->mask_keycode = 0x7e;
429 ir->polling = 100; /* ms */
430 break;
431 case CX88_BOARD_TWINHAN_VP1027_DVBS:
432 ir_codes = RC_MAP_TWINHAN_VP1027_DVBS;
433 ir->sampling = 0xff00; /* address */
434 break;
435 }
436
437 if (!ir_codes) {
438 err = -ENODEV;
439 goto err_out_free;
440 }
441
442 /*
443 * The usage of mask_keycode were very convenient, due to several
444 * reasons. Among others, the scancode tables were using the scancode
445 * as the index elements. So, the less bits it was used, the smaller
446 * the table were stored. After the input changes, the better is to use
447 * the full scancodes, since it allows replacing the IR remote by
448 * another one. Unfortunately, there are still some hardware, like
449 * Pixelview Ultra Pro, where only part of the scancode is sent via
450 * GPIO. So, there's no way to get the full scancode. Due to that,
451 * hardware_mask were introduced here: it represents those hardware
452 * that has such limits.
453 */
454 if (hardware_mask && !ir->mask_keycode)
455 ir->mask_keycode = hardware_mask;
456
457 /* init input device */
458 snprintf(ir->name, sizeof(ir->name), "cx88 IR (%s)", core->board.name);
459 snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0", pci_name(pci));
460
461 dev->device_name = ir->name;
462 dev->input_phys = ir->phys;
463 dev->input_id.bustype = BUS_PCI;
464 dev->input_id.version = 1;
465 if (pci->subsystem_vendor) {
466 dev->input_id.vendor = pci->subsystem_vendor;
467 dev->input_id.product = pci->subsystem_device;
468 } else {
469 dev->input_id.vendor = pci->vendor;
470 dev->input_id.product = pci->device;
471 }
472 dev->dev.parent = &pci->dev;
473 dev->map_name = ir_codes;
474 dev->driver_name = MODULE_NAME;
475 dev->priv = core;
476 dev->open = cx88_ir_open;
477 dev->close = cx88_ir_close;
478 dev->scancode_mask = hardware_mask;
479
480 if (ir->sampling) {
481 dev->timeout = MS_TO_US(10); /* 10 ms */
482 } else {
483 dev->driver_type = RC_DRIVER_SCANCODE;
484 dev->allowed_protocols = rc_proto;
485 }
486
487 ir->core = core;
488 core->ir = ir;
489
490 /* all done */
491 err = rc_register_device(dev);
492 if (err)
493 goto err_out_free;
494
495 return 0;
496
497 err_out_free:
498 rc_free_device(dev);
499 core->ir = NULL;
500 kfree(ir);
501 return err;
502 }
503
cx88_ir_fini(struct cx88_core * core)504 int cx88_ir_fini(struct cx88_core *core)
505 {
506 struct cx88_IR *ir = core->ir;
507
508 /* skip detach on non attached boards */
509 if (!ir)
510 return 0;
511
512 cx88_ir_stop(core);
513 rc_unregister_device(ir->dev);
514 kfree(ir);
515
516 /* done */
517 core->ir = NULL;
518 return 0;
519 }
520
521 /* ---------------------------------------------------------------------- */
522
cx88_ir_irq(struct cx88_core * core)523 void cx88_ir_irq(struct cx88_core *core)
524 {
525 struct cx88_IR *ir = core->ir;
526 u32 samples;
527 unsigned int todo, bits;
528 struct ir_raw_event ev = {};
529
530 if (!ir || !ir->sampling)
531 return;
532
533 /*
534 * Samples are stored in a 32 bit register, oldest sample in
535 * the msb. A set bit represents space and an unset bit
536 * represents a pulse.
537 */
538 samples = cx_read(MO_SAMPLE_IO);
539
540 if (samples == 0xff && ir->dev->idle)
541 return;
542
543 for (todo = 32; todo > 0; todo -= bits) {
544 ev.pulse = samples & 0x80000000 ? false : true;
545 bits = min(todo, 32U - fls(ev.pulse ? samples : ~samples));
546 ev.duration = (bits * (USEC_PER_SEC / 1000)) / ir_samplerate;
547 ir_raw_event_store_with_filter(ir->dev, &ev);
548 samples <<= bits;
549 }
550 ir_raw_event_handle(ir->dev);
551 }
552
get_key_pvr2000(struct IR_i2c * ir,enum rc_proto * protocol,u32 * scancode,u8 * toggle)553 static int get_key_pvr2000(struct IR_i2c *ir, enum rc_proto *protocol,
554 u32 *scancode, u8 *toggle)
555 {
556 int flags, code;
557
558 /* poll IR chip */
559 flags = i2c_smbus_read_byte_data(ir->c, 0x10);
560 if (flags < 0) {
561 dprintk("read error\n");
562 return 0;
563 }
564 /* key pressed ? */
565 if (0 == (flags & 0x80))
566 return 0;
567
568 /* read actual key code */
569 code = i2c_smbus_read_byte_data(ir->c, 0x00);
570 if (code < 0) {
571 dprintk("read error\n");
572 return 0;
573 }
574
575 dprintk("IR Key/Flags: (0x%02x/0x%02x)\n",
576 code & 0xff, flags & 0xff);
577
578 *protocol = RC_PROTO_UNKNOWN;
579 *scancode = code & 0xff;
580 *toggle = 0;
581 return 1;
582 }
583
cx88_i2c_init_ir(struct cx88_core * core)584 void cx88_i2c_init_ir(struct cx88_core *core)
585 {
586 struct i2c_board_info info;
587 static const unsigned short default_addr_list[] = {
588 0x18, 0x33, 0x6b, 0x71,
589 I2C_CLIENT_END
590 };
591 static const unsigned short pvr2000_addr_list[] = {
592 0x18, 0x1a,
593 I2C_CLIENT_END
594 };
595 const unsigned short *addr_list = default_addr_list;
596 const unsigned short *addrp;
597 /* Instantiate the IR receiver device, if present */
598 if (core->i2c_rc != 0)
599 return;
600
601 memset(&info, 0, sizeof(struct i2c_board_info));
602 strscpy(info.type, "ir_video", I2C_NAME_SIZE);
603
604 switch (core->boardnr) {
605 case CX88_BOARD_LEADTEK_PVR2000:
606 addr_list = pvr2000_addr_list;
607 core->init_data.name = "cx88 Leadtek PVR 2000 remote";
608 core->init_data.type = RC_PROTO_BIT_UNKNOWN;
609 core->init_data.get_key = get_key_pvr2000;
610 core->init_data.ir_codes = RC_MAP_EMPTY;
611 break;
612 }
613
614 /*
615 * We can't call i2c_new_scanned_device() because it uses
616 * quick writes for probing and at least some RC receiver
617 * devices only reply to reads.
618 * Also, Hauppauge XVR needs to be specified, as address 0x71
619 * conflicts with another remote type used with saa7134
620 */
621 for (addrp = addr_list; *addrp != I2C_CLIENT_END; addrp++) {
622 info.platform_data = NULL;
623 memset(&core->init_data, 0, sizeof(core->init_data));
624
625 if (*addrp == 0x71) {
626 /* Hauppauge Z8F0811 */
627 strscpy(info.type, "ir_z8f0811_haup", I2C_NAME_SIZE);
628 core->init_data.name = core->board.name;
629 core->init_data.ir_codes = RC_MAP_HAUPPAUGE;
630 core->init_data.type = RC_PROTO_BIT_RC5 |
631 RC_PROTO_BIT_RC6_MCE | RC_PROTO_BIT_RC6_6A_32;
632 core->init_data.internal_get_key_func = IR_KBD_GET_KEY_HAUP_XVR;
633
634 info.platform_data = &core->init_data;
635 }
636 if (i2c_smbus_xfer(&core->i2c_adap, *addrp, 0,
637 I2C_SMBUS_READ, 0,
638 I2C_SMBUS_QUICK, NULL) >= 0) {
639 info.addr = *addrp;
640 i2c_new_client_device(&core->i2c_adap, &info);
641 break;
642 }
643 }
644 }
645
646 /* ---------------------------------------------------------------------- */
647
648 MODULE_AUTHOR("Gerd Knorr, Pavel Machek, Chris Pascoe");
649 MODULE_DESCRIPTION("input driver for cx88 GPIO-based IR remote controls");
650 MODULE_LICENSE("GPL");
651