[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;

	ir_handle_key(btv);
	mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling));
}

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

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;

	/* 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;

		mod_timer(&ir->timer_end,
			  current_jiffies + msecs_to_jiffies(30));
	}

	/* 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) {
		setup_timer(&ir->timer, bttv_input_timer, (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	90
4abdfed5	91	ir_handle_key(btv);
c1904956	92	mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling));
1da177e4 LT	93	}
1da177e4 LT	94
6c6c0b2c MW	95	/* ---------------------------------------------------------------*/
6c6c0b2c MW	96
4abdfed5	97	static int bttv_rc5_irq(struct bttv *btv)
6c6c0b2c	98	{
9160723e	99	struct card_ir *ir = btv->remote;
6c6c0b2c MW	100	struct timeval tv;
	101	u32 gpio;
	102	u32 gap;
c1904956	103	unsigned long current_jiffies;
6c6c0b2c MW	104
6c6c0b2c MW	105	/* read gpio port */
4abdfed5	106	gpio = bttv_gpio_read(&btv->c);
6c6c0b2c MW	107
	108	/* remote IRQ? */
	109	if (!(gpio & 0x20))
	110	return 0;
	111
	112	/* get time of bit */
	113	current_jiffies = jiffies;
	114	do_gettimeofday(&tv);
	115
	116	/* avoid overflow with gap >1s */
	117	if (tv.tv_sec - ir->base_time.tv_sec > 1) {
	118	gap = 200000;
	119	} else {
	120	gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
	121	tv.tv_usec - ir->base_time.tv_usec;
	122	}
	123
	124	/* active code => add bit */
	125	if (ir->active) {
	126	/* only if in the code (otherwise spurious IRQ or timer
	127	late) */
	128	if (ir->last_bit < 28) {
9160723e HP	129	ir->last_bit = (gap - ir_rc5_remote_gap / 2) /
9160723e HP	130	ir_rc5_remote_gap;
6c6c0b2c MW	131	ir->code \|= 1 << ir->last_bit;
	132	}
	133	/* starting new code */
	134	} else {
	135	ir->active = 1;
	136	ir->code = 0;
	137	ir->base_time = tv;
	138	ir->last_bit = 0;
	139
c1904956 DT	140	mod_timer(&ir->timer_end,
c1904956 DT	141	current_jiffies + msecs_to_jiffies(30));
6c6c0b2c MW	142	}
	143
	144	/* toggle GPIO pin 4 to reset the irq */
4abdfed5 RC	145	bttv_gpio_write(&btv->c, gpio & ~(1 << 4));
4abdfed5 RC	146	bttv_gpio_write(&btv->c, gpio \| (1 << 4));
6c6c0b2c MW	147	return 1;
	148	}
	149
1da177e4 LT	150	/* ---------------------------------------------------------------------- */
1da177e4 LT	151
9160723e	152	static void bttv_ir_start(struct bttv btv, struct card_ir ir)
b07b4783 DT	153	{
b07b4783 DT	154	if (ir->polling) {
c1904956	155	setup_timer(&ir->timer, bttv_input_timer, (unsigned long)btv);
b07b4783 DT	156	ir->timer.expires = jiffies + HZ;
	157	add_timer(&ir->timer);
	158	} else if (ir->rc5_gpio) {
	159	/* set timer_end for code completion */
	160	init_timer(&ir->timer_end);
9160723e	161	ir->timer_end.function = ir_rc5_timer_end;
b07b4783 DT	162	ir->timer_end.data = (unsigned long)ir;
	163
	164	init_timer(&ir->timer_keyup);
9160723e	165	ir->timer_keyup.function = ir_rc5_timer_keyup;
b07b4783	166	ir->timer_keyup.data = (unsigned long)ir;
9160723e HP	167	ir->shift_by = 1;
	168	ir->start = 3;
	169	ir->addr = 0x0;
	170	ir->rc5_key_timeout = ir_rc5_key_timeout;
	171	ir->rc5_remote_gap = ir_rc5_remote_gap;
b07b4783 DT	172	}
	173	}
	174
	175	static void bttv_ir_stop(struct bttv *btv)
	176	{
	177	if (btv->remote->polling) {
	178	del_timer_sync(&btv->remote->timer);
	179	flush_scheduled_work();
	180	}
	181
	182	if (btv->remote->rc5_gpio) {
	183	u32 gpio;
	184
	185	del_timer_sync(&btv->remote->timer_end);
	186	flush_scheduled_work();
	187
	188	gpio = bttv_gpio_read(&btv->c);
	189	bttv_gpio_write(&btv->c, gpio & ~(1 << 4));
	190	}
	191	}
	192
4abdfed5	193	int bttv_input_init(struct bttv *btv)
1da177e4	194	{
9160723e	195	struct card_ir *ir;
1da177e4	196	IR_KEYTAB_TYPE *ir_codes = NULL;
4abdfed5	197	struct input_dev *input_dev;
1da177e4	198	int ir_type = IR_TYPE_OTHER;
b07b4783	199	int err = -ENOMEM;
1da177e4	200
4abdfed5 RC	201	if (!btv->has_remote)
	202	return -ENODEV;
	203
	204	ir = kzalloc(sizeof(*ir),GFP_KERNEL);
b7df3910	205	input_dev = input_allocate_device();
b07b4783 DT	206	if (!ir \|\| !input_dev)
b07b4783 DT	207	goto err_out_free;
1da177e4 LT	208
1da177e4 LT	209	/* detect & configure */
4abdfed5	210	switch (btv->c.type) {
5a25e84b MCC	211	case BTTV_BOARD_AVERMEDIA:
	212	case BTTV_BOARD_AVPHONE98:
	213	case BTTV_BOARD_AVERMEDIA98:
1da177e4 LT	214	ir_codes = ir_codes_avermedia;
	215	ir->mask_keycode = 0xf88000;
	216	ir->mask_keydown = 0x010000;
	217	ir->polling = 50; // ms
	218	break;
	219
5a25e84b MCC	220	case BTTV_BOARD_AVDVBT_761:
5a25e84b MCC	221	case BTTV_BOARD_AVDVBT_771:
1da177e4 LT	222	ir_codes = ir_codes_avermedia_dvbt;
	223	ir->mask_keycode = 0x0f00c0;
	224	ir->mask_keydown = 0x000020;
	225	ir->polling = 50; // ms
	226	break;
	227
5a25e84b	228	case BTTV_BOARD_PXELVWPLTVPAK:
1da177e4 LT	229	ir_codes = ir_codes_pixelview;
	230	ir->mask_keycode = 0x003e00;
	231	ir->mask_keyup = 0x010000;
	232	ir->polling = 50; // ms
4ac97914	233	break;
c663155c	234	case BTTV_BOARD_PV_M4900:
5a25e84b MCC	235	case BTTV_BOARD_PV_BT878P_9B:
5a25e84b MCC	236	case BTTV_BOARD_PV_BT878P_PLUS:
1da177e4 LT	237	ir_codes = ir_codes_pixelview;
	238	ir->mask_keycode = 0x001f00;
	239	ir->mask_keyup = 0x008000;
	240	ir->polling = 50; // ms
4ac97914	241	break;
1da177e4	242
5a25e84b	243	case BTTV_BOARD_WINFAST2000:
1da177e4 LT	244	ir_codes = ir_codes_winfast;
	245	ir->mask_keycode = 0x1f8;
	246	break;
5a25e84b MCC	247	case BTTV_BOARD_MAGICTVIEW061:
5a25e84b MCC	248	case BTTV_BOARD_MAGICTVIEW063:
1da177e4 LT	249	ir_codes = ir_codes_winfast;
	250	ir->mask_keycode = 0x0008e000;
	251	ir->mask_keydown = 0x00200000;
	252	break;
5a25e84b	253	case BTTV_BOARD_APAC_VIEWCOMP:
1da177e4 LT	254	ir_codes = ir_codes_apac_viewcomp;
	255	ir->mask_keycode = 0x001f00;
	256	ir->mask_keyup = 0x008000;
	257	ir->polling = 50; // ms
	258	break;
5a25e84b	259	case BTTV_BOARD_CONCEPTRONIC_CTVFMI2:
4ab2b99b	260	case BTTV_BOARD_CONTVFMI:
b639f9d2	261	ir_codes = ir_codes_pixelview;
cc9d8d49 RC	262	ir->mask_keycode = 0x001F00;
	263	ir->mask_keyup = 0x006000;
	264	ir->polling = 50; // ms
	265	break;
6c6c0b2c MW	266	case BTTV_BOARD_NEBULA_DIGITV:
6c6c0b2c MW	267	ir_codes = ir_codes_nebula;
4abdfed5	268	btv->custom_irq = bttv_rc5_irq;
6c6c0b2c	269	ir->rc5_gpio = 1;
674434c6	270	break;
2d05ae6b JC	271	case BTTV_BOARD_MACHTV_MAGICTV:
	272	ir_codes = ir_codes_apac_viewcomp;
	273	ir->mask_keycode = 0x001F00;
	274	ir->mask_keyup = 0x004000;
	275	ir->polling = 50; /* ms */
	276	break;
1da177e4 LT	277	}
1da177e4 LT	278	if (NULL == ir_codes) {
b07b4783 DT	279	dprintk(KERN_INFO "Ooops: IR config error [card=%d]\n", btv->c.type);
	280	err = -ENODEV;
	281	goto err_out_free;
1da177e4 LT	282	}
1da177e4 LT	283
6c6c0b2c MW	284	if (ir->rc5_gpio) {
6c6c0b2c MW	285	u32 gpio;
657de3cd	286	/* enable remote irq */
4abdfed5 RC	287	bttv_gpio_inout(&btv->c, (1 << 4), 1 << 4);
	288	gpio = bttv_gpio_read(&btv->c);
	289	bttv_gpio_write(&btv->c, gpio & ~(1 << 4));
	290	bttv_gpio_write(&btv->c, gpio \| (1 << 4));
6c6c0b2c MW	291	} else {
6c6c0b2c MW	292	/* init hardware-specific stuff */
4abdfed5	293	bttv_gpio_inout(&btv->c, ir->mask_keycode \| ir->mask_keydown, 0);
6c6c0b2c	294	}
1da177e4 LT	295
1da177e4 LT	296	/* init input device */
4abdfed5 RC	297	ir->dev = input_dev;
4abdfed5 RC	298
1da177e4	299	snprintf(ir->name, sizeof(ir->name), "bttv IR (card=%d)",
4abdfed5	300	btv->c.type);
1da177e4	301	snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
4abdfed5	302	pci_name(btv->c.pci));
1da177e4	303
b7df3910 DT	304	ir_input_init(input_dev, &ir->ir, ir_type, ir_codes);
	305	input_dev->name = ir->name;
	306	input_dev->phys = ir->phys;
	307	input_dev->id.bustype = BUS_PCI;
	308	input_dev->id.version = 1;
4abdfed5 RC	309	if (btv->c.pci->subsystem_vendor) {
	310	input_dev->id.vendor = btv->c.pci->subsystem_vendor;
	311	input_dev->id.product = btv->c.pci->subsystem_device;
1da177e4	312	} else {
4abdfed5 RC	313	input_dev->id.vendor = btv->c.pci->vendor;
4abdfed5 RC	314	input_dev->id.product = btv->c.pci->device;
1da177e4	315	}
4abdfed5	316	input_dev->cdev.dev = &btv->c.pci->dev;
1da177e4	317
4abdfed5	318	btv->remote = ir;
b07b4783	319	bttv_ir_start(btv, ir);
1da177e4 LT	320
1da177e4 LT	321	/* all done */
b07b4783 DT	322	err = input_register_device(btv->remote->dev);
	323	if (err)
	324	goto err_out_stop;
6c6c0b2c MW	325
6c6c0b2c MW	326	/* the remote isn't as bouncy as a keyboard */
4abdfed5 RC	327	ir->dev->rep[REP_DELAY] = repeat_delay;
4abdfed5 RC	328	ir->dev->rep[REP_PERIOD] = repeat_period;
1da177e4 LT	329
1da177e4 LT	330	return 0;
b07b4783 DT	331
	332	err_out_stop:
	333	bttv_ir_stop(btv);
	334	btv->remote = NULL;
	335	err_out_free:
	336	input_free_device(input_dev);
	337	kfree(ir);
	338	return err;
1da177e4 LT	339	}
1da177e4 LT	340
4abdfed5	341	void bttv_input_fini(struct bttv *btv)
1da177e4	342	{
4abdfed5 RC	343	if (btv->remote == NULL)
4abdfed5 RC	344	return;
1da177e4	345
b07b4783	346	bttv_ir_stop(btv);
4abdfed5 RC	347	input_unregister_device(btv->remote->dev);
	348	kfree(btv->remote);
	349	btv->remote = NULL;
1da177e4 LT	350	}
1da177e4 LT	351
1da177e4 LT	352
	353	/*
	354	* Local variables:
	355	* c-basic-offset: 8
	356	* End:
	357	*/