cx88-input.c

  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
 26struct 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
 48static unsigned int ir_samplerate = 4;
 49module_param(ir_samplerate, uint, 0444);
 50MODULE_PARM_DESC(ir_samplerate, "IR samplerate in kHz, 1 - 20, default 4");
 51
 52static int ir_debug;
 53module_param(ir_debug, int, 0644);	/* debug level [IR] */
 54MODULE_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
 68static 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
168static 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
182static 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
206static 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
224int cx88_ir_start(struct cx88_core *core)
225{
226	if (core->ir->users)
227		return __cx88_ir_start(core);
228
229	return 0;
230}
231EXPORT_SYMBOL(cx88_ir_start);
232
233void cx88_ir_stop(struct cx88_core *core)
234{
235	if (core->ir->users)
236		__cx88_ir_stop(core);
237}
238EXPORT_SYMBOL(cx88_ir_stop);
239
240static 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
248static 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
259int 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
497err_out_free:
498	rc_free_device(dev);
499	core->ir = NULL;
500	kfree(ir);
501	return err;
502}
503
504int 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
523void 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
553static 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
584void 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
648MODULE_AUTHOR("Gerd Knorr, Pavel Machek, Chris Pascoe");
649MODULE_DESCRIPTION("input driver for cx88 GPIO-based IR remote controls");
650MODULE_LICENSE("GPL");