[GitHub/mt8127/android_kernel_alcatel_ttab.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 "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,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, 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, 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, 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;
	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_ASKEY_CPH03X:
	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;
	case BTTV_BOARD_KOZUMI_KTV_01C:
		ir_codes         = ir_codes_pctv_sedna;
		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;
		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));

	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->dev.parent = &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>
1da177e4 LT	22	#include <linux/init.h>
	23	#include <linux/delay.h>
	24	#include <linux/interrupt.h>
	25	#include <linux/input.h>
1da177e4	26
1da177e4	27	#include "bttv.h"
4abdfed5	28	#include "bttvp.h"
1da177e4	29
6c6c0b2c	30
7d341a6a MCC	31	static int ir_debug;
7d341a6a MCC	32	module_param(ir_debug, int, 0644);
6c6c0b2c MW	33	static int repeat_delay = 500;
	34	module_param(repeat_delay, int, 0644);
	35	static int repeat_period = 33;
	36	module_param(repeat_period, int, 0644);
1da177e4	37
c408a6f6	38	static int ir_rc5_remote_gap = 885;
9160723e	39	module_param(ir_rc5_remote_gap, int, 0644);
c408a6f6	40	static int ir_rc5_key_timeout = 200;
9160723e HP	41	module_param(ir_rc5_key_timeout, int, 0644);
9160723e HP	42
7d341a6a MCC	43	#undef dprintk
	44	#define dprintk(arg...) do { \
	45	if (ir_debug >= 1) \
	46	printk(arg); \
	47	} while (0)
	48
4abdfed5	49	#define DEVNAME "bttv-input"
1da177e4 LT	50
	51	/* ---------------------------------------------------------------------- */
	52
4abdfed5	53	static void ir_handle_key(struct bttv *btv)
1da177e4	54	{
9160723e	55	struct card_ir *ir = btv->remote;
1da177e4 LT	56	u32 gpio,data;
	57
	58	/* read gpio value */
4abdfed5	59	gpio = bttv_gpio_read(&btv->c);
1da177e4 LT	60	if (ir->polling) {
	61	if (ir->last_gpio == gpio)
	62	return;
	63	ir->last_gpio = gpio;
	64	}
	65
	66	/* extract data */
	67	data = ir_extract_bits(gpio, ir->mask_keycode);
4abdfed5	68	dprintk(KERN_INFO DEVNAME ": irq gpio=0x%x code=%d \| %s%s%s\n",
1da177e4 LT	69	gpio, data,
	70	ir->polling ? "poll" : "irq",
	71	(gpio & ir->mask_keydown) ? " down" : "",
	72	(gpio & ir->mask_keyup) ? " up" : "");
	73
4abdfed5 RC	74	if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) \|\|
	75	(ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) {
	76	ir_input_keydown(ir->dev,&ir->ir,data,data);
1da177e4	77	} else {
b3d98135 MCC	78	/* HACK: Probably, ir->mask_keydown is missing
	79	for this board */
	80	if (btv->c.type == BTTV_BOARD_WINFAST2000)
	81	ir_input_keydown(ir->dev, &ir->ir, data, data);
	82
4abdfed5	83	ir_input_nokey(ir->dev,&ir->ir);
1da177e4	84	}
1da177e4	85
1da177e4 LT	86	}
1da177e4 LT	87
7d341a6a MCC	88	static void ir_enltv_handle_key(struct bttv *btv)
	89	{
	90	struct card_ir *ir = btv->remote;
	91	u32 gpio, data, keyup;
	92
	93	/* read gpio value */
	94	gpio = bttv_gpio_read(&btv->c);
	95
	96	/* extract data */
	97	data = ir_extract_bits(gpio, ir->mask_keycode);
	98
	99	/* Check if it is keyup */
	100	keyup = (gpio & ir->mask_keyup) ? 1 << 31 : 0;
	101
	102	if ((ir->last_gpio & 0x7f) != data) {
	103	dprintk(KERN_INFO DEVNAME ": gpio=0x%x code=%d \| %s\n",
	104	gpio, data,
	105	(gpio & ir->mask_keyup) ? " up" : "up/down");
	106
	107	ir_input_keydown(ir->dev, &ir->ir, data, data);
	108	if (keyup)
	109	ir_input_nokey(ir->dev, &ir->ir);
	110	} else {
	111	if ((ir->last_gpio & 1 << 31) == keyup)
	112	return;
	113
	114	dprintk(KERN_INFO DEVNAME ":(cnt) gpio=0x%x code=%d \| %s\n",
	115	gpio, data,
	116	(gpio & ir->mask_keyup) ? " up" : "down");
	117
	118	if (keyup)
	119	ir_input_nokey(ir->dev, &ir->ir);
	120	else
	121	ir_input_keydown(ir->dev, &ir->ir, data, data);
	122	}
	123
	124	ir->last_gpio = data \| keyup;
	125	}
	126
4abdfed5	127	void bttv_input_irq(struct bttv *btv)
1da177e4	128	{
9160723e	129	struct card_ir *ir = btv->remote;
1da177e4	130
4abdfed5 RC	131	if (!ir->polling)
4abdfed5 RC	132	ir_handle_key(btv);
1da177e4 LT	133	}
1da177e4 LT	134
4abdfed5	135	static void bttv_input_timer(unsigned long data)
1da177e4	136	{
4abdfed5	137	struct bttv btv = (struct bttv)data;
9160723e	138	struct card_ir *ir = btv->remote;
1da177e4	139
7d341a6a MCC	140	if (btv->c.type == BTTV_BOARD_ENLTV_FM_2)
	141	ir_enltv_handle_key(btv);
	142	else
	143	ir_handle_key(btv);
c1904956	144	mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling));
1da177e4 LT	145	}
1da177e4 LT	146
6c6c0b2c MW	147	/* ---------------------------------------------------------------*/
6c6c0b2c MW	148
4abdfed5	149	static int bttv_rc5_irq(struct bttv *btv)
6c6c0b2c	150	{
9160723e	151	struct card_ir *ir = btv->remote;
6c6c0b2c MW	152	struct timeval tv;
	153	u32 gpio;
	154	u32 gap;
c1904956	155	unsigned long current_jiffies;
6c6c0b2c MW	156
6c6c0b2c MW	157	/* read gpio port */
4abdfed5	158	gpio = bttv_gpio_read(&btv->c);
6c6c0b2c MW	159
	160	/* remote IRQ? */
	161	if (!(gpio & 0x20))
	162	return 0;
	163
	164	/* get time of bit */
	165	current_jiffies = jiffies;
	166	do_gettimeofday(&tv);
	167
	168	/* avoid overflow with gap >1s */
	169	if (tv.tv_sec - ir->base_time.tv_sec > 1) {
	170	gap = 200000;
	171	} else {
	172	gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
	173	tv.tv_usec - ir->base_time.tv_usec;
	174	}
	175
	176	/* active code => add bit */
	177	if (ir->active) {
	178	/* only if in the code (otherwise spurious IRQ or timer
	179	late) */
	180	if (ir->last_bit < 28) {
9160723e HP	181	ir->last_bit = (gap - ir_rc5_remote_gap / 2) /
9160723e HP	182	ir_rc5_remote_gap;
6c6c0b2c MW	183	ir->code \|= 1 << ir->last_bit;
	184	}
	185	/* starting new code */
	186	} else {
	187	ir->active = 1;
	188	ir->code = 0;
	189	ir->base_time = tv;
	190	ir->last_bit = 0;
	191
c1904956 DT	192	mod_timer(&ir->timer_end,
c1904956 DT	193	current_jiffies + msecs_to_jiffies(30));
6c6c0b2c MW	194	}
	195
	196	/* toggle GPIO pin 4 to reset the irq */
4abdfed5 RC	197	bttv_gpio_write(&btv->c, gpio & ~(1 << 4));
4abdfed5 RC	198	bttv_gpio_write(&btv->c, gpio \| (1 << 4));
6c6c0b2c MW	199	return 1;
	200	}
	201
1da177e4 LT	202	/* ---------------------------------------------------------------------- */
1da177e4 LT	203
9160723e	204	static void bttv_ir_start(struct bttv btv, struct card_ir ir)
b07b4783 DT	205	{
b07b4783 DT	206	if (ir->polling) {
c1904956	207	setup_timer(&ir->timer, bttv_input_timer, (unsigned long)btv);
fe06fe0a	208	ir->timer.expires = jiffies + msecs_to_jiffies(1000);
b07b4783 DT	209	add_timer(&ir->timer);
	210	} else if (ir->rc5_gpio) {
	211	/* set timer_end for code completion */
	212	init_timer(&ir->timer_end);
9160723e	213	ir->timer_end.function = ir_rc5_timer_end;
b07b4783 DT	214	ir->timer_end.data = (unsigned long)ir;
	215
	216	init_timer(&ir->timer_keyup);
9160723e	217	ir->timer_keyup.function = ir_rc5_timer_keyup;
b07b4783	218	ir->timer_keyup.data = (unsigned long)ir;
9160723e HP	219	ir->shift_by = 1;
	220	ir->start = 3;
	221	ir->addr = 0x0;
	222	ir->rc5_key_timeout = ir_rc5_key_timeout;
	223	ir->rc5_remote_gap = ir_rc5_remote_gap;
b07b4783 DT	224	}
	225	}
	226
	227	static void bttv_ir_stop(struct bttv *btv)
	228	{
	229	if (btv->remote->polling) {
	230	del_timer_sync(&btv->remote->timer);
	231	flush_scheduled_work();
	232	}
	233
	234	if (btv->remote->rc5_gpio) {
	235	u32 gpio;
	236
	237	del_timer_sync(&btv->remote->timer_end);
	238	flush_scheduled_work();
	239
	240	gpio = bttv_gpio_read(&btv->c);
	241	bttv_gpio_write(&btv->c, gpio & ~(1 << 4));
	242	}
	243	}
	244
4abdfed5	245	int bttv_input_init(struct bttv *btv)
1da177e4	246	{
9160723e	247	struct card_ir *ir;
1da177e4	248	IR_KEYTAB_TYPE *ir_codes = NULL;
4abdfed5	249	struct input_dev *input_dev;
1da177e4	250	int ir_type = IR_TYPE_OTHER;
b07b4783	251	int err = -ENOMEM;
1da177e4	252
4abdfed5 RC	253	if (!btv->has_remote)
	254	return -ENODEV;
	255
	256	ir = kzalloc(sizeof(*ir),GFP_KERNEL);
b7df3910	257	input_dev = input_allocate_device();
b07b4783 DT	258	if (!ir \|\| !input_dev)
b07b4783 DT	259	goto err_out_free;
1da177e4 LT	260
1da177e4 LT	261	/* detect & configure */
4abdfed5	262	switch (btv->c.type) {
5a25e84b MCC	263	case BTTV_BOARD_AVERMEDIA:
	264	case BTTV_BOARD_AVPHONE98:
	265	case BTTV_BOARD_AVERMEDIA98:
1da177e4 LT	266	ir_codes = ir_codes_avermedia;
	267	ir->mask_keycode = 0xf88000;
	268	ir->mask_keydown = 0x010000;
	269	ir->polling = 50; // ms
	270	break;
	271
5a25e84b MCC	272	case BTTV_BOARD_AVDVBT_761:
5a25e84b MCC	273	case BTTV_BOARD_AVDVBT_771:
1da177e4 LT	274	ir_codes = ir_codes_avermedia_dvbt;
	275	ir->mask_keycode = 0x0f00c0;
	276	ir->mask_keydown = 0x000020;
	277	ir->polling = 50; // ms
	278	break;
	279
5a25e84b	280	case BTTV_BOARD_PXELVWPLTVPAK:
1da177e4 LT	281	ir_codes = ir_codes_pixelview;
	282	ir->mask_keycode = 0x003e00;
	283	ir->mask_keyup = 0x010000;
	284	ir->polling = 50; // ms
4ac97914	285	break;
c663155c	286	case BTTV_BOARD_PV_M4900:
5a25e84b MCC	287	case BTTV_BOARD_PV_BT878P_9B:
5a25e84b MCC	288	case BTTV_BOARD_PV_BT878P_PLUS:
1da177e4 LT	289	ir_codes = ir_codes_pixelview;
	290	ir->mask_keycode = 0x001f00;
	291	ir->mask_keyup = 0x008000;
	292	ir->polling = 50; // ms
4ac97914	293	break;
1da177e4	294
5a25e84b	295	case BTTV_BOARD_WINFAST2000:
1da177e4 LT	296	ir_codes = ir_codes_winfast;
	297	ir->mask_keycode = 0x1f8;
	298	break;
5a25e84b MCC	299	case BTTV_BOARD_MAGICTVIEW061:
5a25e84b MCC	300	case BTTV_BOARD_MAGICTVIEW063:
1da177e4 LT	301	ir_codes = ir_codes_winfast;
	302	ir->mask_keycode = 0x0008e000;
	303	ir->mask_keydown = 0x00200000;
	304	break;
5a25e84b	305	case BTTV_BOARD_APAC_VIEWCOMP:
1da177e4 LT	306	ir_codes = ir_codes_apac_viewcomp;
	307	ir->mask_keycode = 0x001f00;
	308	ir->mask_keyup = 0x008000;
	309	ir->polling = 50; // ms
	310	break;
ed44f66e	311	case BTTV_BOARD_ASKEY_CPH03X:
5a25e84b	312	case BTTV_BOARD_CONCEPTRONIC_CTVFMI2:
4ab2b99b	313	case BTTV_BOARD_CONTVFMI:
b639f9d2	314	ir_codes = ir_codes_pixelview;
cc9d8d49 RC	315	ir->mask_keycode = 0x001F00;
	316	ir->mask_keyup = 0x006000;
	317	ir->polling = 50; // ms
	318	break;
6c6c0b2c MW	319	case BTTV_BOARD_NEBULA_DIGITV:
6c6c0b2c MW	320	ir_codes = ir_codes_nebula;
4abdfed5	321	btv->custom_irq = bttv_rc5_irq;
6c6c0b2c	322	ir->rc5_gpio = 1;
674434c6	323	break;
2d05ae6b JC	324	case BTTV_BOARD_MACHTV_MAGICTV:
	325	ir_codes = ir_codes_apac_viewcomp;
	326	ir->mask_keycode = 0x001F00;
	327	ir->mask_keyup = 0x004000;
	328	ir->polling = 50; /* ms */
	329	break;
e80faad3 ML	330	case BTTV_BOARD_KOZUMI_KTV_01C:
	331	ir_codes = ir_codes_pctv_sedna;
	332	ir->mask_keycode = 0x001f00;
	333	ir->mask_keyup = 0x006000;
	334	ir->polling = 50; /* ms */
	335	break;
7d341a6a MCC	336	case BTTV_BOARD_ENLTV_FM_2:
	337	ir_codes = ir_codes_encore_enltv2;
	338	ir->mask_keycode = 0x00fd00;
	339	ir->mask_keyup = 0x000080;
	340	ir->polling = 1; /* ms */
	341	ir->last_gpio = ir_extract_bits(bttv_gpio_read(&btv->c),
	342	ir->mask_keycode);
	343	break;
1da177e4 LT	344	}
1da177e4 LT	345	if (NULL == ir_codes) {
b07b4783 DT	346	dprintk(KERN_INFO "Ooops: IR config error [card=%d]\n", btv->c.type);
	347	err = -ENODEV;
	348	goto err_out_free;
1da177e4 LT	349	}
1da177e4 LT	350
6c6c0b2c MW	351	if (ir->rc5_gpio) {
6c6c0b2c MW	352	u32 gpio;
657de3cd	353	/* enable remote irq */
4abdfed5 RC	354	bttv_gpio_inout(&btv->c, (1 << 4), 1 << 4);
	355	gpio = bttv_gpio_read(&btv->c);
	356	bttv_gpio_write(&btv->c, gpio & ~(1 << 4));
	357	bttv_gpio_write(&btv->c, gpio \| (1 << 4));
6c6c0b2c MW	358	} else {
6c6c0b2c MW	359	/* init hardware-specific stuff */
4abdfed5	360	bttv_gpio_inout(&btv->c, ir->mask_keycode \| ir->mask_keydown, 0);
6c6c0b2c	361	}
1da177e4 LT	362
1da177e4 LT	363	/* init input device */
4abdfed5 RC	364	ir->dev = input_dev;
4abdfed5 RC	365
1da177e4	366	snprintf(ir->name, sizeof(ir->name), "bttv IR (card=%d)",
4abdfed5	367	btv->c.type);
1da177e4	368	snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
4abdfed5	369	pci_name(btv->c.pci));
1da177e4	370
b7df3910 DT	371	ir_input_init(input_dev, &ir->ir, ir_type, ir_codes);
	372	input_dev->name = ir->name;
	373	input_dev->phys = ir->phys;
	374	input_dev->id.bustype = BUS_PCI;
	375	input_dev->id.version = 1;
4abdfed5 RC	376	if (btv->c.pci->subsystem_vendor) {
	377	input_dev->id.vendor = btv->c.pci->subsystem_vendor;
	378	input_dev->id.product = btv->c.pci->subsystem_device;
1da177e4	379	} else {
4abdfed5 RC	380	input_dev->id.vendor = btv->c.pci->vendor;
4abdfed5 RC	381	input_dev->id.product = btv->c.pci->device;
1da177e4	382	}
2c8a3a33	383	input_dev->dev.parent = &btv->c.pci->dev;
1da177e4	384
4abdfed5	385	btv->remote = ir;
b07b4783	386	bttv_ir_start(btv, ir);
1da177e4 LT	387
1da177e4 LT	388	/* all done */
b07b4783 DT	389	err = input_register_device(btv->remote->dev);
	390	if (err)
	391	goto err_out_stop;
6c6c0b2c MW	392
6c6c0b2c MW	393	/* the remote isn't as bouncy as a keyboard */
4abdfed5 RC	394	ir->dev->rep[REP_DELAY] = repeat_delay;
4abdfed5 RC	395	ir->dev->rep[REP_PERIOD] = repeat_period;
1da177e4 LT	396
1da177e4 LT	397	return 0;
b07b4783 DT	398
	399	err_out_stop:
	400	bttv_ir_stop(btv);
	401	btv->remote = NULL;
	402	err_out_free:
	403	input_free_device(input_dev);
	404	kfree(ir);
	405	return err;
1da177e4 LT	406	}
1da177e4 LT	407
4abdfed5	408	void bttv_input_fini(struct bttv *btv)
1da177e4	409	{
4abdfed5 RC	410	if (btv->remote == NULL)
4abdfed5 RC	411	return;
1da177e4	412
b07b4783	413	bttv_ir_stop(btv);
4abdfed5 RC	414	input_unregister_device(btv->remote->dev);
	415	kfree(btv->remote);
	416	btv->remote = NULL;
1da177e4 LT	417	}
1da177e4 LT	418
1da177e4 LT	419
	420	/*
	421	* Local variables:
	422	* c-basic-offset: 8
	423	* End:
	424	*/