[linux-2.6-block.git] / drivers / media / video / bt8xx / bttv-input.c

/*
 *
 * Copyright (c) 2003 Gerd Knorr
 * Copyright (c) 2003 Pavel Machek
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/input.h>

#include "bttv.h"
#include "bttvp.h"


static int debug;
module_param(debug, int, 0644);    /* debug level (0,1,2) */
static int repeat_delay = 500;
module_param(repeat_delay, int, 0644);
static int repeat_period = 33;
module_param(repeat_period, int, 0644);

static int ir_rc5_remote_gap = 885;
module_param(ir_rc5_remote_gap, int, 0644);
static int ir_rc5_key_timeout = 200;
module_param(ir_rc5_key_timeout, int, 0644);

#define DEVNAME "bttv-input"

/* ---------------------------------------------------------------------- */

static void ir_handle_key(struct bttv *btv)
{
	struct card_ir *ir = btv->remote;
	u32 gpio,data;

	/* read gpio value */
	gpio = bttv_gpio_read(&btv->c);
	if (ir->polling) {
		if (ir->last_gpio == gpio)
			return;
		ir->last_gpio = gpio;
	}

	/* extract data */
	data = ir_extract_bits(gpio, ir->mask_keycode);
	dprintk(KERN_INFO DEVNAME ": irq gpio=0x%x code=%d | %s%s%s\n",
		gpio, data,
		ir->polling               ? "poll"  : "irq",
		(gpio & ir->mask_keydown) ? " down" : "",
		(gpio & ir->mask_keyup)   ? " up"   : "");

	if ((ir->mask_keydown  &&  (0 != (gpio & ir->mask_keydown))) ||
	    (ir->mask_keyup    &&  (0 == (gpio & ir->mask_keyup)))) {
		ir_input_keydown(ir->dev,&ir->ir,data,data);
	} else {
		ir_input_nokey(ir->dev,&ir->ir);
	}

}

void bttv_input_irq(struct bttv *btv)
{
	struct card_ir *ir = btv->remote;

	if (!ir->polling)
		ir_handle_key(btv);
}

static void bttv_input_timer(unsigned long data)
{
	struct bttv *btv = (struct bttv*)data;
	struct card_ir *ir = btv->remote;
	unsigned long timeout;

	ir_handle_key(btv);
	timeout = jiffies + (ir->polling * HZ / 1000);
	mod_timer(&ir->timer, timeout);
}

/* ---------------------------------------------------------------*/

static int bttv_rc5_irq(struct bttv *btv)
{
	struct card_ir *ir = btv->remote;
	struct timeval tv;
	u32 gpio;
	u32 gap;
	unsigned long current_jiffies, timeout;

	/* read gpio port */
	gpio = bttv_gpio_read(&btv->c);

	/* remote IRQ? */
	if (!(gpio & 0x20))
		return 0;

	/* get time of bit */
	current_jiffies = jiffies;
	do_gettimeofday(&tv);

	/* avoid overflow with gap >1s */
	if (tv.tv_sec - ir->base_time.tv_sec > 1) {
		gap = 200000;
	} else {
		gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
		    tv.tv_usec - ir->base_time.tv_usec;
	}

	/* active code => add bit */
	if (ir->active) {
		/* only if in the code (otherwise spurious IRQ or timer
		   late) */
		if (ir->last_bit < 28) {
			ir->last_bit = (gap - ir_rc5_remote_gap / 2) /
			    ir_rc5_remote_gap;
			ir->code |= 1 << ir->last_bit;
		}
		/* starting new code */
	} else {
		ir->active = 1;
		ir->code = 0;
		ir->base_time = tv;
		ir->last_bit = 0;

		timeout = current_jiffies + (500 + 30 * HZ) / 1000;
		mod_timer(&ir->timer_end, timeout);
	}

	/* toggle GPIO pin 4 to reset the irq */
	bttv_gpio_write(&btv->c, gpio & ~(1 << 4));
	bttv_gpio_write(&btv->c, gpio | (1 << 4));
	return 1;
}

/* ---------------------------------------------------------------------- */

static void bttv_ir_start(struct bttv *btv, struct card_ir *ir)
{
	if (ir->polling) {
		init_timer(&ir->timer);
		ir->timer.function = bttv_input_timer;
		ir->timer.data     = (unsigned long)btv;
		ir->timer.expires  = jiffies + HZ;
		add_timer(&ir->timer);
	} else if (ir->rc5_gpio) {
		/* set timer_end for code completion */
		init_timer(&ir->timer_end);
		ir->timer_end.function = ir_rc5_timer_end;
		ir->timer_end.data = (unsigned long)ir;

		init_timer(&ir->timer_keyup);
		ir->timer_keyup.function = ir_rc5_timer_keyup;
		ir->timer_keyup.data = (unsigned long)ir;
		ir->shift_by = 1;
		ir->start = 3;
		ir->addr = 0x0;
		ir->rc5_key_timeout = ir_rc5_key_timeout;
		ir->rc5_remote_gap = ir_rc5_remote_gap;
	}
}

static void bttv_ir_stop(struct bttv *btv)
{
	if (btv->remote->polling) {
		del_timer_sync(&btv->remote->timer);
		flush_scheduled_work();
	}

	if (btv->remote->rc5_gpio) {
		u32 gpio;

		del_timer_sync(&btv->remote->timer_end);
		flush_scheduled_work();

		gpio = bttv_gpio_read(&btv->c);
		bttv_gpio_write(&btv->c, gpio & ~(1 << 4));
	}
}

int bttv_input_init(struct bttv *btv)
{
	struct card_ir *ir;
	IR_KEYTAB_TYPE *ir_codes = NULL;
	struct input_dev *input_dev;
	int ir_type = IR_TYPE_OTHER;
	int err = -ENOMEM;

	if (!btv->has_remote)
		return -ENODEV;

	ir = kzalloc(sizeof(*ir),GFP_KERNEL);
	input_dev = input_allocate_device();
	if (!ir || !input_dev)
		goto err_out_free;

	/* detect & configure */
	switch (btv->c.type) {
	case BTTV_BOARD_AVERMEDIA:
	case BTTV_BOARD_AVPHONE98:
	case BTTV_BOARD_AVERMEDIA98:
		ir_codes         = ir_codes_avermedia;
		ir->mask_keycode = 0xf88000;
		ir->mask_keydown = 0x010000;
		ir->polling      = 50; // ms
		break;

	case BTTV_BOARD_AVDVBT_761:
	case BTTV_BOARD_AVDVBT_771:
		ir_codes         = ir_codes_avermedia_dvbt;
		ir->mask_keycode = 0x0f00c0;
		ir->mask_keydown = 0x000020;
		ir->polling      = 50; // ms
		break;

	case BTTV_BOARD_PXELVWPLTVPAK:
		ir_codes         = ir_codes_pixelview;
		ir->mask_keycode = 0x003e00;
		ir->mask_keyup   = 0x010000;
		ir->polling      = 50; // ms
		break;
	case BTTV_BOARD_PV_M4900:
	case BTTV_BOARD_PV_BT878P_9B:
	case BTTV_BOARD_PV_BT878P_PLUS:
		ir_codes         = ir_codes_pixelview;
		ir->mask_keycode = 0x001f00;
		ir->mask_keyup   = 0x008000;
		ir->polling      = 50; // ms
		break;

	case BTTV_BOARD_WINFAST2000:
		ir_codes         = ir_codes_winfast;
		ir->mask_keycode = 0x1f8;
		break;
	case BTTV_BOARD_MAGICTVIEW061:
	case BTTV_BOARD_MAGICTVIEW063:
		ir_codes         = ir_codes_winfast;
		ir->mask_keycode = 0x0008e000;
		ir->mask_keydown = 0x00200000;
		break;
	case BTTV_BOARD_APAC_VIEWCOMP:
		ir_codes         = ir_codes_apac_viewcomp;
		ir->mask_keycode = 0x001f00;
		ir->mask_keyup   = 0x008000;
		ir->polling      = 50; // ms
		break;
	case BTTV_BOARD_CONCEPTRONIC_CTVFMI2:
	case BTTV_BOARD_CONTVFMI:
		ir_codes         = ir_codes_pixelview;
		ir->mask_keycode = 0x001F00;
		ir->mask_keyup   = 0x006000;
		ir->polling      = 50; // ms
		break;
	case BTTV_BOARD_NEBULA_DIGITV:
		ir_codes = ir_codes_nebula;
		btv->custom_irq = bttv_rc5_irq;
		ir->rc5_gpio = 1;
		break;
	case BTTV_BOARD_MACHTV_MAGICTV:
		ir_codes         = ir_codes_apac_viewcomp;
		ir->mask_keycode = 0x001F00;
		ir->mask_keyup   = 0x004000;
		ir->polling      = 50; /* ms */
		break;
	}
	if (NULL == ir_codes) {
		dprintk(KERN_INFO "Ooops: IR config error [card=%d]\n", btv->c.type);
		err = -ENODEV;
		goto err_out_free;
	}

	if (ir->rc5_gpio) {
		u32 gpio;
		/* enable remote irq */
		bttv_gpio_inout(&btv->c, (1 << 4), 1 << 4);
		gpio = bttv_gpio_read(&btv->c);
		bttv_gpio_write(&btv->c, gpio & ~(1 << 4));
		bttv_gpio_write(&btv->c, gpio | (1 << 4));
	} else {
		/* init hardware-specific stuff */
		bttv_gpio_inout(&btv->c, ir->mask_keycode | ir->mask_keydown, 0);
	}

	/* init input device */
	ir->dev = input_dev;

	snprintf(ir->name, sizeof(ir->name), "bttv IR (card=%d)",
		 btv->c.type);
	snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
		 pci_name(btv->c.pci));

	ir_input_init(input_dev, &ir->ir, ir_type, ir_codes);
	input_dev->name = ir->name;
	input_dev->phys = ir->phys;
	input_dev->id.bustype = BUS_PCI;
	input_dev->id.version = 1;
	if (btv->c.pci->subsystem_vendor) {
		input_dev->id.vendor  = btv->c.pci->subsystem_vendor;
		input_dev->id.product = btv->c.pci->subsystem_device;
	} else {
		input_dev->id.vendor  = btv->c.pci->vendor;
		input_dev->id.product = btv->c.pci->device;
	}
	input_dev->cdev.dev = &btv->c.pci->dev;

	btv->remote = ir;
	bttv_ir_start(btv, ir);

	/* all done */
	err = input_register_device(btv->remote->dev);
	if (err)
		goto err_out_stop;

	/* the remote isn't as bouncy as a keyboard */
	ir->dev->rep[REP_DELAY] = repeat_delay;
	ir->dev->rep[REP_PERIOD] = repeat_period;

	return 0;

 err_out_stop:
	bttv_ir_stop(btv);
	btv->remote = NULL;
 err_out_free:
	input_free_device(input_dev);
	kfree(ir);
	return err;
}

void bttv_input_fini(struct bttv *btv)
{
	if (btv->remote == NULL)
		return;

	bttv_ir_stop(btv);
	input_unregister_device(btv->remote->dev);
	kfree(btv->remote);
	btv->remote = NULL;
}


/*
 * Local variables:
 * c-basic-offset: 8
 * End:
 */
Commit	Line	Data
1da177e4	1	/*
1da177e4 LT	2	*
	3	* Copyright (c) 2003 Gerd Knorr
	4	* Copyright (c) 2003 Pavel Machek
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	19	*/
	20
	21	#include <linux/module.h>
	22	#include <linux/moduleparam.h>
	23	#include <linux/init.h>
	24	#include <linux/delay.h>
	25	#include <linux/interrupt.h>
	26	#include <linux/input.h>
1da177e4	27
1da177e4	28	#include "bttv.h"
4abdfed5	29	#include "bttvp.h"
1da177e4	30
6c6c0b2c	31
1da177e4 LT	32	static int debug;
1da177e4 LT	33	module_param(debug, int, 0644); /* debug level (0,1,2) */
6c6c0b2c MW	34	static int repeat_delay = 500;
	35	module_param(repeat_delay, int, 0644);
	36	static int repeat_period = 33;
	37	module_param(repeat_period, int, 0644);
1da177e4	38
c408a6f6	39	static int ir_rc5_remote_gap = 885;
9160723e	40	module_param(ir_rc5_remote_gap, int, 0644);
c408a6f6	41	static int ir_rc5_key_timeout = 200;
9160723e HP	42	module_param(ir_rc5_key_timeout, int, 0644);
9160723e HP	43
4abdfed5	44	#define DEVNAME "bttv-input"
1da177e4 LT	45
	46	/* ---------------------------------------------------------------------- */
	47
4abdfed5	48	static void ir_handle_key(struct bttv *btv)
1da177e4	49	{
9160723e	50	struct card_ir *ir = btv->remote;
1da177e4 LT	51	u32 gpio,data;
	52
	53	/* read gpio value */
4abdfed5	54	gpio = bttv_gpio_read(&btv->c);
1da177e4 LT	55	if (ir->polling) {
	56	if (ir->last_gpio == gpio)
	57	return;
	58	ir->last_gpio = gpio;
	59	}
	60
	61	/* extract data */
	62	data = ir_extract_bits(gpio, ir->mask_keycode);
4abdfed5	63	dprintk(KERN_INFO DEVNAME ": irq gpio=0x%x code=%d \| %s%s%s\n",
1da177e4 LT	64	gpio, data,
	65	ir->polling ? "poll" : "irq",
	66	(gpio & ir->mask_keydown) ? " down" : "",
	67	(gpio & ir->mask_keyup) ? " up" : "");
	68
4abdfed5 RC	69	if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) \|\|
	70	(ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) {
	71	ir_input_keydown(ir->dev,&ir->ir,data,data);
1da177e4	72	} else {
4abdfed5	73	ir_input_nokey(ir->dev,&ir->ir);
1da177e4	74	}
1da177e4	75
1da177e4 LT	76	}
1da177e4 LT	77
4abdfed5	78	void bttv_input_irq(struct bttv *btv)
1da177e4	79	{
9160723e	80	struct card_ir *ir = btv->remote;
1da177e4	81
4abdfed5 RC	82	if (!ir->polling)
4abdfed5 RC	83	ir_handle_key(btv);
1da177e4 LT	84	}
1da177e4 LT	85
4abdfed5	86	static void bttv_input_timer(unsigned long data)
1da177e4	87	{
4abdfed5	88	struct bttv btv = (struct bttv)data;
9160723e	89	struct card_ir *ir = btv->remote;
1da177e4 LT	90	unsigned long timeout;
1da177e4 LT	91
4abdfed5	92	ir_handle_key(btv);
1da177e4 LT	93	timeout = jiffies + (ir->polling * HZ / 1000);
	94	mod_timer(&ir->timer, timeout);
	95	}
	96
6c6c0b2c MW	97	/* ---------------------------------------------------------------*/
6c6c0b2c MW	98
4abdfed5	99	static int bttv_rc5_irq(struct bttv *btv)
6c6c0b2c	100	{
9160723e	101	struct card_ir *ir = btv->remote;
6c6c0b2c MW	102	struct timeval tv;
	103	u32 gpio;
	104	u32 gap;
	105	unsigned long current_jiffies, timeout;
	106
	107	/* read gpio port */
4abdfed5	108	gpio = bttv_gpio_read(&btv->c);
6c6c0b2c MW	109
	110	/* remote IRQ? */
	111	if (!(gpio & 0x20))
	112	return 0;
	113
	114	/* get time of bit */
	115	current_jiffies = jiffies;
	116	do_gettimeofday(&tv);
	117
	118	/* avoid overflow with gap >1s */
	119	if (tv.tv_sec - ir->base_time.tv_sec > 1) {
	120	gap = 200000;
	121	} else {
	122	gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
	123	tv.tv_usec - ir->base_time.tv_usec;
	124	}
	125
	126	/* active code => add bit */
	127	if (ir->active) {
	128	/* only if in the code (otherwise spurious IRQ or timer
	129	late) */
	130	if (ir->last_bit < 28) {
9160723e HP	131	ir->last_bit = (gap - ir_rc5_remote_gap / 2) /
9160723e HP	132	ir_rc5_remote_gap;
6c6c0b2c MW	133	ir->code \|= 1 << ir->last_bit;
	134	}
	135	/* starting new code */
	136	} else {
	137	ir->active = 1;
	138	ir->code = 0;
	139	ir->base_time = tv;
	140	ir->last_bit = 0;
	141
	142	timeout = current_jiffies + (500 + 30 * HZ) / 1000;
	143	mod_timer(&ir->timer_end, timeout);
	144	}
	145
	146	/* toggle GPIO pin 4 to reset the irq */
4abdfed5 RC	147	bttv_gpio_write(&btv->c, gpio & ~(1 << 4));
4abdfed5 RC	148	bttv_gpio_write(&btv->c, gpio \| (1 << 4));
6c6c0b2c MW	149	return 1;
	150	}
	151
1da177e4 LT	152	/* ---------------------------------------------------------------------- */
1da177e4 LT	153
9160723e	154	static void bttv_ir_start(struct bttv btv, struct card_ir ir)
b07b4783 DT	155	{
	156	if (ir->polling) {
	157	init_timer(&ir->timer);
	158	ir->timer.function = bttv_input_timer;
	159	ir->timer.data = (unsigned long)btv;
	160	ir->timer.expires = jiffies + HZ;
	161	add_timer(&ir->timer);
	162	} else if (ir->rc5_gpio) {
	163	/* set timer_end for code completion */
	164	init_timer(&ir->timer_end);
9160723e	165	ir->timer_end.function = ir_rc5_timer_end;
b07b4783 DT	166	ir->timer_end.data = (unsigned long)ir;
	167
	168	init_timer(&ir->timer_keyup);
9160723e	169	ir->timer_keyup.function = ir_rc5_timer_keyup;
b07b4783	170	ir->timer_keyup.data = (unsigned long)ir;
9160723e HP	171	ir->shift_by = 1;
	172	ir->start = 3;
	173	ir->addr = 0x0;
	174	ir->rc5_key_timeout = ir_rc5_key_timeout;
	175	ir->rc5_remote_gap = ir_rc5_remote_gap;
b07b4783 DT	176	}
	177	}
	178
	179	static void bttv_ir_stop(struct bttv *btv)
	180	{
	181	if (btv->remote->polling) {
	182	del_timer_sync(&btv->remote->timer);
	183	flush_scheduled_work();
	184	}
	185
	186	if (btv->remote->rc5_gpio) {
	187	u32 gpio;
	188
	189	del_timer_sync(&btv->remote->timer_end);
	190	flush_scheduled_work();
	191
	192	gpio = bttv_gpio_read(&btv->c);
	193	bttv_gpio_write(&btv->c, gpio & ~(1 << 4));
	194	}
	195	}
	196
4abdfed5	197	int bttv_input_init(struct bttv *btv)
1da177e4	198	{
9160723e	199	struct card_ir *ir;
1da177e4	200	IR_KEYTAB_TYPE *ir_codes = NULL;
4abdfed5	201	struct input_dev *input_dev;
1da177e4	202	int ir_type = IR_TYPE_OTHER;
b07b4783	203	int err = -ENOMEM;
1da177e4	204
4abdfed5 RC	205	if (!btv->has_remote)
	206	return -ENODEV;
	207
	208	ir = kzalloc(sizeof(*ir),GFP_KERNEL);
b7df3910	209	input_dev = input_allocate_device();
b07b4783 DT	210	if (!ir \|\| !input_dev)
b07b4783 DT	211	goto err_out_free;
1da177e4 LT	212
1da177e4 LT	213	/* detect & configure */
4abdfed5	214	switch (btv->c.type) {
5a25e84b MCC	215	case BTTV_BOARD_AVERMEDIA:
	216	case BTTV_BOARD_AVPHONE98:
	217	case BTTV_BOARD_AVERMEDIA98:
1da177e4 LT	218	ir_codes = ir_codes_avermedia;
	219	ir->mask_keycode = 0xf88000;
	220	ir->mask_keydown = 0x010000;
	221	ir->polling = 50; // ms
	222	break;
	223
5a25e84b MCC	224	case BTTV_BOARD_AVDVBT_761:
5a25e84b MCC	225	case BTTV_BOARD_AVDVBT_771:
1da177e4 LT	226	ir_codes = ir_codes_avermedia_dvbt;
	227	ir->mask_keycode = 0x0f00c0;
	228	ir->mask_keydown = 0x000020;
	229	ir->polling = 50; // ms
	230	break;
	231
5a25e84b	232	case BTTV_BOARD_PXELVWPLTVPAK:
1da177e4 LT	233	ir_codes = ir_codes_pixelview;
	234	ir->mask_keycode = 0x003e00;
	235	ir->mask_keyup = 0x010000;
	236	ir->polling = 50; // ms
4ac97914	237	break;
c663155c	238	case BTTV_BOARD_PV_M4900:
5a25e84b MCC	239	case BTTV_BOARD_PV_BT878P_9B:
5a25e84b MCC	240	case BTTV_BOARD_PV_BT878P_PLUS:
1da177e4 LT	241	ir_codes = ir_codes_pixelview;
	242	ir->mask_keycode = 0x001f00;
	243	ir->mask_keyup = 0x008000;
	244	ir->polling = 50; // ms
4ac97914	245	break;
1da177e4	246
5a25e84b	247	case BTTV_BOARD_WINFAST2000:
1da177e4 LT	248	ir_codes = ir_codes_winfast;
	249	ir->mask_keycode = 0x1f8;
	250	break;
5a25e84b MCC	251	case BTTV_BOARD_MAGICTVIEW061:
5a25e84b MCC	252	case BTTV_BOARD_MAGICTVIEW063:
1da177e4 LT	253	ir_codes = ir_codes_winfast;
	254	ir->mask_keycode = 0x0008e000;
	255	ir->mask_keydown = 0x00200000;
	256	break;
5a25e84b	257	case BTTV_BOARD_APAC_VIEWCOMP:
1da177e4 LT	258	ir_codes = ir_codes_apac_viewcomp;
	259	ir->mask_keycode = 0x001f00;
	260	ir->mask_keyup = 0x008000;
	261	ir->polling = 50; // ms
	262	break;
5a25e84b	263	case BTTV_BOARD_CONCEPTRONIC_CTVFMI2:
4ab2b99b	264	case BTTV_BOARD_CONTVFMI:
b639f9d2	265	ir_codes = ir_codes_pixelview;
cc9d8d49 RC	266	ir->mask_keycode = 0x001F00;
	267	ir->mask_keyup = 0x006000;
	268	ir->polling = 50; // ms
	269	break;
6c6c0b2c MW	270	case BTTV_BOARD_NEBULA_DIGITV:
6c6c0b2c MW	271	ir_codes = ir_codes_nebula;
4abdfed5	272	btv->custom_irq = bttv_rc5_irq;
6c6c0b2c	273	ir->rc5_gpio = 1;
674434c6	274	break;
2d05ae6b JC	275	case BTTV_BOARD_MACHTV_MAGICTV:
	276	ir_codes = ir_codes_apac_viewcomp;
	277	ir->mask_keycode = 0x001F00;
	278	ir->mask_keyup = 0x004000;
	279	ir->polling = 50; /* ms */
	280	break;
1da177e4 LT	281	}
1da177e4 LT	282	if (NULL == ir_codes) {
b07b4783 DT	283	dprintk(KERN_INFO "Ooops: IR config error [card=%d]\n", btv->c.type);
	284	err = -ENODEV;
	285	goto err_out_free;
1da177e4 LT	286	}
1da177e4 LT	287
6c6c0b2c MW	288	if (ir->rc5_gpio) {
6c6c0b2c MW	289	u32 gpio;
657de3cd	290	/* enable remote irq */
4abdfed5 RC	291	bttv_gpio_inout(&btv->c, (1 << 4), 1 << 4);
	292	gpio = bttv_gpio_read(&btv->c);
	293	bttv_gpio_write(&btv->c, gpio & ~(1 << 4));
	294	bttv_gpio_write(&btv->c, gpio \| (1 << 4));
6c6c0b2c MW	295	} else {
6c6c0b2c MW	296	/* init hardware-specific stuff */
4abdfed5	297	bttv_gpio_inout(&btv->c, ir->mask_keycode \| ir->mask_keydown, 0);
6c6c0b2c	298	}
1da177e4 LT	299
1da177e4 LT	300	/* init input device */
4abdfed5 RC	301	ir->dev = input_dev;
4abdfed5 RC	302
1da177e4	303	snprintf(ir->name, sizeof(ir->name), "bttv IR (card=%d)",
4abdfed5	304	btv->c.type);
1da177e4	305	snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
4abdfed5	306	pci_name(btv->c.pci));
1da177e4	307
b7df3910 DT	308	ir_input_init(input_dev, &ir->ir, ir_type, ir_codes);
	309	input_dev->name = ir->name;
	310	input_dev->phys = ir->phys;
	311	input_dev->id.bustype = BUS_PCI;
	312	input_dev->id.version = 1;
4abdfed5 RC	313	if (btv->c.pci->subsystem_vendor) {
	314	input_dev->id.vendor = btv->c.pci->subsystem_vendor;
	315	input_dev->id.product = btv->c.pci->subsystem_device;
1da177e4	316	} else {
4abdfed5 RC	317	input_dev->id.vendor = btv->c.pci->vendor;
4abdfed5 RC	318	input_dev->id.product = btv->c.pci->device;
1da177e4	319	}
4abdfed5	320	input_dev->cdev.dev = &btv->c.pci->dev;
1da177e4	321
4abdfed5	322	btv->remote = ir;
b07b4783	323	bttv_ir_start(btv, ir);
1da177e4 LT	324
1da177e4 LT	325	/* all done */
b07b4783 DT	326	err = input_register_device(btv->remote->dev);
	327	if (err)
	328	goto err_out_stop;
6c6c0b2c MW	329
6c6c0b2c MW	330	/* the remote isn't as bouncy as a keyboard */
4abdfed5 RC	331	ir->dev->rep[REP_DELAY] = repeat_delay;
4abdfed5 RC	332	ir->dev->rep[REP_PERIOD] = repeat_period;
1da177e4 LT	333
1da177e4 LT	334	return 0;
b07b4783 DT	335
	336	err_out_stop:
	337	bttv_ir_stop(btv);
	338	btv->remote = NULL;
	339	err_out_free:
	340	input_free_device(input_dev);
	341	kfree(ir);
	342	return err;
1da177e4 LT	343	}
1da177e4 LT	344
4abdfed5	345	void bttv_input_fini(struct bttv *btv)
1da177e4	346	{
4abdfed5 RC	347	if (btv->remote == NULL)
4abdfed5 RC	348	return;
1da177e4	349
b07b4783	350	bttv_ir_stop(btv);
4abdfed5 RC	351	input_unregister_device(btv->remote->dev);
	352	kfree(btv->remote);
	353	btv->remote = NULL;
1da177e4 LT	354	}
1da177e4 LT	355
1da177e4 LT	356
	357	/*
	358	* Local variables:
	359	* c-basic-offset: 8
	360	* End:
	361	*/