[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/init.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/input.h>
#include <linux/slab.h>

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


static int ir_debug;
module_param(ir_debug, int, 0644);
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);

#undef dprintk
#define dprintk(arg...) do {	\
	if (ir_debug >= 1)	\
		printk(arg);	\
} while (0)

#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);
	} else {
		/* HACK: Probably, ir->mask_keydown is missing
		   for this board */
		if (btv->c.type == BTTV_BOARD_WINFAST2000)
			ir_input_keydown(ir->dev, &ir->ir, data);

		ir_input_nokey(ir->dev,&ir->ir);
	}

}

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

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

	/* extract data */
	data = ir_extract_bits(gpio, ir->mask_keycode);

	/* Check if it is keyup */
	keyup = (gpio & ir->mask_keyup) ? 1 << 31 : 0;

	if ((ir->last_gpio & 0x7f) != data) {
		dprintk(KERN_INFO DEVNAME ": gpio=0x%x code=%d | %s\n",
			gpio, data,
			(gpio & ir->mask_keyup) ? " up" : "up/down");

		ir_input_keydown(ir->dev, &ir->ir, data);
		if (keyup)
			ir_input_nokey(ir->dev, &ir->ir);
	} else {
		if ((ir->last_gpio & 1 << 31) == keyup)
			return;

		dprintk(KERN_INFO DEVNAME ":(cnt) gpio=0x%x code=%d | %s\n",
			gpio, data,
			(gpio & ir->mask_keyup) ? " up" : "down");

		if (keyup)
			ir_input_nokey(ir->dev, &ir->ir);
		else
			ir_input_keydown(ir->dev, &ir->ir, data);
	}

	ir->last_gpio = data | keyup;
}

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;

	if (btv->c.type == BTTV_BOARD_ENLTV_FM_2)
		ir_enltv_handle_key(btv);
	else
		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 + msecs_to_jiffies(1000);
		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;
	struct ir_scancode_table *ir_codes = NULL;
	struct input_dev *input_dev;
	u64 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_table;
		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_table;
		ir->mask_keycode = 0x0f00c0;
		ir->mask_keydown = 0x000020;
		ir->polling      = 50; // ms
		break;

	case BTTV_BOARD_PXELVWPLTVPAK:
		ir_codes         = &ir_codes_pixelview_table;
		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_table;
		ir->mask_keycode = 0x001f00;
		ir->mask_keyup   = 0x008000;
		ir->polling      = 50; // ms
		break;

	case BTTV_BOARD_WINFAST2000:
		ir_codes         = &ir_codes_winfast_table;
		ir->mask_keycode = 0x1f8;
		break;
	case BTTV_BOARD_MAGICTVIEW061:
	case BTTV_BOARD_MAGICTVIEW063:
		ir_codes         = &ir_codes_winfast_table;
		ir->mask_keycode = 0x0008e000;
		ir->mask_keydown = 0x00200000;
		break;
	case BTTV_BOARD_APAC_VIEWCOMP:
		ir_codes         = &ir_codes_apac_viewcomp_table;
		ir->mask_keycode = 0x001f00;
		ir->mask_keyup   = 0x008000;
		ir->polling      = 50; // ms
		break;
	case BTTV_BOARD_ASKEY_CPH03X:
	case BTTV_BOARD_CONCEPTRONIC_CTVFMI2:
	case BTTV_BOARD_CONTVFMI:
		ir_codes         = &ir_codes_pixelview_table;
		ir->mask_keycode = 0x001F00;
		ir->mask_keyup   = 0x006000;
		ir->polling      = 50; // ms
		break;
	case BTTV_BOARD_NEBULA_DIGITV:
		ir_codes = &ir_codes_nebula_table;
		btv->custom_irq = bttv_rc5_irq;
		ir->rc5_gpio = 1;
		break;
	case BTTV_BOARD_MACHTV_MAGICTV:
		ir_codes         = &ir_codes_apac_viewcomp_table;
		ir->mask_keycode = 0x001F00;
		ir->mask_keyup   = 0x004000;
		ir->polling      = 50; /* ms */
		break;
	case BTTV_BOARD_KOZUMI_KTV_01C:
		ir_codes         = &ir_codes_pctv_sedna_table;
		ir->mask_keycode = 0x001f00;
		ir->mask_keyup   = 0x006000;
		ir->polling      = 50; /* ms */
		break;
	case BTTV_BOARD_ENLTV_FM_2:
		ir_codes         = &ir_codes_encore_enltv2_table;
		ir->mask_keycode = 0x00fd00;
		ir->mask_keyup   = 0x000080;
		ir->polling      = 1; /* ms */
		ir->last_gpio    = ir_extract_bits(bttv_gpio_read(&btv->c),
						   ir->mask_keycode);
		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));

	err = ir_input_init(input_dev, &ir->ir, ir_type);
	if (err < 0)
		goto err_out_free;

	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->dev.parent = &btv->c.pci->dev;

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

	/* all done */
	err = ir_input_register(btv->remote->dev, ir_codes, NULL);
	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:
	kfree(ir);
	return err;
}

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

	bttv_ir_stop(btv);
	ir_input_unregister(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>
1da177e4 LT	22	#include <linux/init.h>
	23	#include <linux/delay.h>
	24	#include <linux/interrupt.h>
	25	#include <linux/input.h>
5a0e3ad6	26	#include <linux/slab.h>
1da177e4	27
1da177e4	28	#include "bttv.h"
4abdfed5	29	#include "bttvp.h"
1da177e4	30
6c6c0b2c	31
7d341a6a MCC	32	static int ir_debug;
7d341a6a MCC	33	module_param(ir_debug, int, 0644);
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
7d341a6a MCC	44	#undef dprintk
	45	#define dprintk(arg...) do { \
	46	if (ir_debug >= 1) \
	47	printk(arg); \
	48	} while (0)
	49
4abdfed5	50	#define DEVNAME "bttv-input"
1da177e4 LT	51
	52	/* ---------------------------------------------------------------------- */
	53
4abdfed5	54	static void ir_handle_key(struct bttv *btv)
1da177e4	55	{
9160723e	56	struct card_ir *ir = btv->remote;
1da177e4 LT	57	u32 gpio,data;
	58
	59	/* read gpio value */
4abdfed5	60	gpio = bttv_gpio_read(&btv->c);
1da177e4 LT	61	if (ir->polling) {
	62	if (ir->last_gpio == gpio)
	63	return;
	64	ir->last_gpio = gpio;
	65	}
	66
	67	/* extract data */
	68	data = ir_extract_bits(gpio, ir->mask_keycode);
4abdfed5	69	dprintk(KERN_INFO DEVNAME ": irq gpio=0x%x code=%d \| %s%s%s\n",
1da177e4 LT	70	gpio, data,
	71	ir->polling ? "poll" : "irq",
	72	(gpio & ir->mask_keydown) ? " down" : "",
	73	(gpio & ir->mask_keyup) ? " up" : "");
	74
4abdfed5 RC	75	if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) \|\|
4abdfed5 RC	76	(ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) {
8573b74a	77	ir_input_keydown(ir->dev, &ir->ir, data);
1da177e4	78	} else {
b3d98135 MCC	79	/* HACK: Probably, ir->mask_keydown is missing
	80	for this board */
	81	if (btv->c.type == BTTV_BOARD_WINFAST2000)
8573b74a	82	ir_input_keydown(ir->dev, &ir->ir, data);
b3d98135	83
4abdfed5	84	ir_input_nokey(ir->dev,&ir->ir);
1da177e4	85	}
1da177e4	86
1da177e4 LT	87	}
1da177e4 LT	88
7d341a6a MCC	89	static void ir_enltv_handle_key(struct bttv *btv)
	90	{
	91	struct card_ir *ir = btv->remote;
	92	u32 gpio, data, keyup;
	93
	94	/* read gpio value */
	95	gpio = bttv_gpio_read(&btv->c);
	96
	97	/* extract data */
	98	data = ir_extract_bits(gpio, ir->mask_keycode);
	99
	100	/* Check if it is keyup */
	101	keyup = (gpio & ir->mask_keyup) ? 1 << 31 : 0;
	102
	103	if ((ir->last_gpio & 0x7f) != data) {
	104	dprintk(KERN_INFO DEVNAME ": gpio=0x%x code=%d \| %s\n",
	105	gpio, data,
	106	(gpio & ir->mask_keyup) ? " up" : "up/down");
	107
8573b74a	108	ir_input_keydown(ir->dev, &ir->ir, data);
7d341a6a MCC	109	if (keyup)
	110	ir_input_nokey(ir->dev, &ir->ir);
	111	} else {
	112	if ((ir->last_gpio & 1 << 31) == keyup)
	113	return;
	114
	115	dprintk(KERN_INFO DEVNAME ":(cnt) gpio=0x%x code=%d \| %s\n",
	116	gpio, data,
	117	(gpio & ir->mask_keyup) ? " up" : "down");
	118
	119	if (keyup)
	120	ir_input_nokey(ir->dev, &ir->ir);
	121	else
8573b74a	122	ir_input_keydown(ir->dev, &ir->ir, data);
7d341a6a MCC	123	}
	124
	125	ir->last_gpio = data \| keyup;
	126	}
	127
4abdfed5	128	void bttv_input_irq(struct bttv *btv)
1da177e4	129	{
9160723e	130	struct card_ir *ir = btv->remote;
1da177e4	131
4abdfed5 RC	132	if (!ir->polling)
4abdfed5 RC	133	ir_handle_key(btv);
1da177e4 LT	134	}
1da177e4 LT	135
4abdfed5	136	static void bttv_input_timer(unsigned long data)
1da177e4	137	{
4abdfed5	138	struct bttv btv = (struct bttv)data;
9160723e	139	struct card_ir *ir = btv->remote;
1da177e4	140
7d341a6a MCC	141	if (btv->c.type == BTTV_BOARD_ENLTV_FM_2)
	142	ir_enltv_handle_key(btv);
	143	else
	144	ir_handle_key(btv);
c1904956	145	mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling));
1da177e4 LT	146	}
1da177e4 LT	147
6c6c0b2c MW	148	/* ---------------------------------------------------------------*/
6c6c0b2c MW	149
4abdfed5	150	static int bttv_rc5_irq(struct bttv *btv)
6c6c0b2c	151	{
9160723e	152	struct card_ir *ir = btv->remote;
6c6c0b2c MW	153	struct timeval tv;
	154	u32 gpio;
	155	u32 gap;
c1904956	156	unsigned long current_jiffies;
6c6c0b2c MW	157
6c6c0b2c MW	158	/* read gpio port */
4abdfed5	159	gpio = bttv_gpio_read(&btv->c);
6c6c0b2c MW	160
	161	/* remote IRQ? */
	162	if (!(gpio & 0x20))
	163	return 0;
	164
	165	/* get time of bit */
	166	current_jiffies = jiffies;
	167	do_gettimeofday(&tv);
	168
	169	/* avoid overflow with gap >1s */
	170	if (tv.tv_sec - ir->base_time.tv_sec > 1) {
	171	gap = 200000;
	172	} else {
	173	gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
	174	tv.tv_usec - ir->base_time.tv_usec;
	175	}
	176
	177	/* active code => add bit */
	178	if (ir->active) {
	179	/* only if in the code (otherwise spurious IRQ or timer
	180	late) */
	181	if (ir->last_bit < 28) {
9160723e HP	182	ir->last_bit = (gap - ir_rc5_remote_gap / 2) /
9160723e HP	183	ir_rc5_remote_gap;
6c6c0b2c MW	184	ir->code \|= 1 << ir->last_bit;
	185	}
	186	/* starting new code */
	187	} else {
	188	ir->active = 1;
	189	ir->code = 0;
	190	ir->base_time = tv;
	191	ir->last_bit = 0;
	192
c1904956 DT	193	mod_timer(&ir->timer_end,
c1904956 DT	194	current_jiffies + msecs_to_jiffies(30));
6c6c0b2c MW	195	}
	196
	197	/* toggle GPIO pin 4 to reset the irq */
4abdfed5 RC	198	bttv_gpio_write(&btv->c, gpio & ~(1 << 4));
4abdfed5 RC	199	bttv_gpio_write(&btv->c, gpio \| (1 << 4));
6c6c0b2c MW	200	return 1;
	201	}
	202
1da177e4 LT	203	/* ---------------------------------------------------------------------- */
1da177e4 LT	204
9160723e	205	static void bttv_ir_start(struct bttv btv, struct card_ir ir)
b07b4783 DT	206	{
b07b4783 DT	207	if (ir->polling) {
c1904956	208	setup_timer(&ir->timer, bttv_input_timer, (unsigned long)btv);
fe06fe0a	209	ir->timer.expires = jiffies + msecs_to_jiffies(1000);
b07b4783 DT	210	add_timer(&ir->timer);
	211	} else if (ir->rc5_gpio) {
	212	/* set timer_end for code completion */
	213	init_timer(&ir->timer_end);
9160723e	214	ir->timer_end.function = ir_rc5_timer_end;
b07b4783 DT	215	ir->timer_end.data = (unsigned long)ir;
	216
	217	init_timer(&ir->timer_keyup);
9160723e	218	ir->timer_keyup.function = ir_rc5_timer_keyup;
b07b4783	219	ir->timer_keyup.data = (unsigned long)ir;
9160723e HP	220	ir->shift_by = 1;
	221	ir->start = 3;
	222	ir->addr = 0x0;
	223	ir->rc5_key_timeout = ir_rc5_key_timeout;
	224	ir->rc5_remote_gap = ir_rc5_remote_gap;
b07b4783 DT	225	}
	226	}
	227
	228	static void bttv_ir_stop(struct bttv *btv)
	229	{
	230	if (btv->remote->polling) {
	231	del_timer_sync(&btv->remote->timer);
	232	flush_scheduled_work();
	233	}
	234
	235	if (btv->remote->rc5_gpio) {
	236	u32 gpio;
	237
	238	del_timer_sync(&btv->remote->timer_end);
	239	flush_scheduled_work();
	240
	241	gpio = bttv_gpio_read(&btv->c);
	242	bttv_gpio_write(&btv->c, gpio & ~(1 << 4));
	243	}
	244	}
	245
4abdfed5	246	int bttv_input_init(struct bttv *btv)
1da177e4	247	{
9160723e	248	struct card_ir *ir;
715a2233	249	struct ir_scancode_table *ir_codes = NULL;
4abdfed5	250	struct input_dev *input_dev;
971e8298	251	u64 ir_type = IR_TYPE_OTHER;
b07b4783	252	int err = -ENOMEM;
1da177e4	253
4abdfed5 RC	254	if (!btv->has_remote)
	255	return -ENODEV;
	256
	257	ir = kzalloc(sizeof(*ir),GFP_KERNEL);
b7df3910	258	input_dev = input_allocate_device();
b07b4783 DT	259	if (!ir \|\| !input_dev)
b07b4783 DT	260	goto err_out_free;
1da177e4 LT	261
1da177e4 LT	262	/* detect & configure */
4abdfed5	263	switch (btv->c.type) {
5a25e84b MCC	264	case BTTV_BOARD_AVERMEDIA:
	265	case BTTV_BOARD_AVPHONE98:
	266	case BTTV_BOARD_AVERMEDIA98:
715a2233	267	ir_codes = &ir_codes_avermedia_table;
1da177e4 LT	268	ir->mask_keycode = 0xf88000;
	269	ir->mask_keydown = 0x010000;
	270	ir->polling = 50; // ms
	271	break;
	272
5a25e84b MCC	273	case BTTV_BOARD_AVDVBT_761:
5a25e84b MCC	274	case BTTV_BOARD_AVDVBT_771:
715a2233	275	ir_codes = &ir_codes_avermedia_dvbt_table;
1da177e4 LT	276	ir->mask_keycode = 0x0f00c0;
	277	ir->mask_keydown = 0x000020;
	278	ir->polling = 50; // ms
	279	break;
	280
5a25e84b	281	case BTTV_BOARD_PXELVWPLTVPAK:
715a2233	282	ir_codes = &ir_codes_pixelview_table;
1da177e4 LT	283	ir->mask_keycode = 0x003e00;
	284	ir->mask_keyup = 0x010000;
	285	ir->polling = 50; // ms
4ac97914	286	break;
c663155c	287	case BTTV_BOARD_PV_M4900:
5a25e84b MCC	288	case BTTV_BOARD_PV_BT878P_9B:
5a25e84b MCC	289	case BTTV_BOARD_PV_BT878P_PLUS:
715a2233	290	ir_codes = &ir_codes_pixelview_table;
1da177e4 LT	291	ir->mask_keycode = 0x001f00;
	292	ir->mask_keyup = 0x008000;
	293	ir->polling = 50; // ms
4ac97914	294	break;
1da177e4	295
5a25e84b	296	case BTTV_BOARD_WINFAST2000:
715a2233	297	ir_codes = &ir_codes_winfast_table;
1da177e4 LT	298	ir->mask_keycode = 0x1f8;
1da177e4 LT	299	break;
5a25e84b MCC	300	case BTTV_BOARD_MAGICTVIEW061:
5a25e84b MCC	301	case BTTV_BOARD_MAGICTVIEW063:
715a2233	302	ir_codes = &ir_codes_winfast_table;
1da177e4 LT	303	ir->mask_keycode = 0x0008e000;
	304	ir->mask_keydown = 0x00200000;
	305	break;
5a25e84b	306	case BTTV_BOARD_APAC_VIEWCOMP:
715a2233	307	ir_codes = &ir_codes_apac_viewcomp_table;
1da177e4 LT	308	ir->mask_keycode = 0x001f00;
	309	ir->mask_keyup = 0x008000;
	310	ir->polling = 50; // ms
	311	break;
ed44f66e	312	case BTTV_BOARD_ASKEY_CPH03X:
5a25e84b	313	case BTTV_BOARD_CONCEPTRONIC_CTVFMI2:
4ab2b99b	314	case BTTV_BOARD_CONTVFMI:
715a2233	315	ir_codes = &ir_codes_pixelview_table;
cc9d8d49 RC	316	ir->mask_keycode = 0x001F00;
	317	ir->mask_keyup = 0x006000;
	318	ir->polling = 50; // ms
	319	break;
6c6c0b2c	320	case BTTV_BOARD_NEBULA_DIGITV:
715a2233	321	ir_codes = &ir_codes_nebula_table;
4abdfed5	322	btv->custom_irq = bttv_rc5_irq;
6c6c0b2c	323	ir->rc5_gpio = 1;
674434c6	324	break;
2d05ae6b	325	case BTTV_BOARD_MACHTV_MAGICTV:
715a2233	326	ir_codes = &ir_codes_apac_viewcomp_table;
2d05ae6b JC	327	ir->mask_keycode = 0x001F00;
	328	ir->mask_keyup = 0x004000;
	329	ir->polling = 50; /* ms */
	330	break;
e80faad3	331	case BTTV_BOARD_KOZUMI_KTV_01C:
715a2233	332	ir_codes = &ir_codes_pctv_sedna_table;
e80faad3 ML	333	ir->mask_keycode = 0x001f00;
	334	ir->mask_keyup = 0x006000;
	335	ir->polling = 50; /* ms */
	336	break;
7d341a6a	337	case BTTV_BOARD_ENLTV_FM_2:
715a2233	338	ir_codes = &ir_codes_encore_enltv2_table;
7d341a6a MCC	339	ir->mask_keycode = 0x00fd00;
	340	ir->mask_keyup = 0x000080;
	341	ir->polling = 1; /* ms */
	342	ir->last_gpio = ir_extract_bits(bttv_gpio_read(&btv->c),
	343	ir->mask_keycode);
	344	break;
1da177e4 LT	345	}
1da177e4 LT	346	if (NULL == ir_codes) {
b07b4783 DT	347	dprintk(KERN_INFO "Ooops: IR config error [card=%d]\n", btv->c.type);
	348	err = -ENODEV;
	349	goto err_out_free;
1da177e4 LT	350	}
1da177e4 LT	351
6c6c0b2c MW	352	if (ir->rc5_gpio) {
6c6c0b2c MW	353	u32 gpio;
657de3cd	354	/* enable remote irq */
4abdfed5 RC	355	bttv_gpio_inout(&btv->c, (1 << 4), 1 << 4);
	356	gpio = bttv_gpio_read(&btv->c);
	357	bttv_gpio_write(&btv->c, gpio & ~(1 << 4));
	358	bttv_gpio_write(&btv->c, gpio \| (1 << 4));
6c6c0b2c MW	359	} else {
6c6c0b2c MW	360	/* init hardware-specific stuff */
4abdfed5	361	bttv_gpio_inout(&btv->c, ir->mask_keycode \| ir->mask_keydown, 0);
6c6c0b2c	362	}
1da177e4 LT	363
1da177e4 LT	364	/* init input device */
4abdfed5 RC	365	ir->dev = input_dev;
4abdfed5 RC	366
1da177e4	367	snprintf(ir->name, sizeof(ir->name), "bttv IR (card=%d)",
4abdfed5	368	btv->c.type);
1da177e4	369	snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
4abdfed5	370	pci_name(btv->c.pci));
1da177e4	371
579e7d60	372	err = ir_input_init(input_dev, &ir->ir, ir_type);
055cd556 MCC	373	if (err < 0)
	374	goto err_out_free;
	375
b7df3910 DT	376	input_dev->name = ir->name;
	377	input_dev->phys = ir->phys;
	378	input_dev->id.bustype = BUS_PCI;
	379	input_dev->id.version = 1;
4abdfed5 RC	380	if (btv->c.pci->subsystem_vendor) {
	381	input_dev->id.vendor = btv->c.pci->subsystem_vendor;
	382	input_dev->id.product = btv->c.pci->subsystem_device;
1da177e4	383	} else {
4abdfed5 RC	384	input_dev->id.vendor = btv->c.pci->vendor;
4abdfed5 RC	385	input_dev->id.product = btv->c.pci->device;
1da177e4	386	}
2c8a3a33	387	input_dev->dev.parent = &btv->c.pci->dev;
1da177e4	388
4abdfed5	389	btv->remote = ir;
b07b4783	390	bttv_ir_start(btv, ir);
1da177e4 LT	391
1da177e4 LT	392	/* all done */
e93854da	393	err = ir_input_register(btv->remote->dev, ir_codes, NULL);
b07b4783 DT	394	if (err)
b07b4783 DT	395	goto err_out_stop;
6c6c0b2c MW	396
6c6c0b2c MW	397	/* the remote isn't as bouncy as a keyboard */
4abdfed5 RC	398	ir->dev->rep[REP_DELAY] = repeat_delay;
4abdfed5 RC	399	ir->dev->rep[REP_PERIOD] = repeat_period;
1da177e4 LT	400
1da177e4 LT	401	return 0;
b07b4783 DT	402
	403	err_out_stop:
	404	bttv_ir_stop(btv);
	405	btv->remote = NULL;
	406	err_out_free:
b07b4783 DT	407	kfree(ir);
b07b4783 DT	408	return err;
1da177e4 LT	409	}
1da177e4 LT	410
4abdfed5	411	void bttv_input_fini(struct bttv *btv)
1da177e4	412	{
4abdfed5 RC	413	if (btv->remote == NULL)
4abdfed5 RC	414	return;
1da177e4	415
b07b4783	416	bttv_ir_stop(btv);
38ef6aa8	417	ir_input_unregister(btv->remote->dev);
4abdfed5 RC	418	kfree(btv->remote);
4abdfed5 RC	419	btv->remote = NULL;
1da177e4 LT	420	}
1da177e4 LT	421
1da177e4 LT	422
	423	/*
	424	* Local variables:
	425	* c-basic-offset: 8
	426	* End:
	427	*/