[net-next-2.6.git] / drivers / media / video / saa7134 / saa7134-input.c

/*
 *
 * handle saa7134 IR remotes via linux kernel input layer.
 *
 * 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 "saa7134-reg.h"
#include "saa7134.h"

static unsigned int disable_ir = 0;
module_param(disable_ir, int, 0444);
MODULE_PARM_DESC(disable_ir,"disable infrared remote support");

static unsigned int ir_debug = 0;
module_param(ir_debug, int, 0644);
MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]");

static int pinnacle_remote = 0;
module_param(pinnacle_remote, int, 0644);    /* Choose Pinnacle PCTV remote */
MODULE_PARM_DESC(pinnacle_remote, "Specify Pinnacle PCTV remote: 0=coloured, 1=grey (defaults to 0)");

int ir_rc5_remote_gap = 885;
module_param(ir_rc5_remote_gap, int, 0644);
int ir_rc5_key_timeout = 115;
module_param(ir_rc5_key_timeout, int, 0644);

#define dprintk(fmt, arg...)	if (ir_debug) \
	printk(KERN_DEBUG "%s/ir: " fmt, dev->name , ## arg)
#define i2cdprintk(fmt, arg...)    if (ir_debug) \
	printk(KERN_DEBUG "%s/ir: " fmt, ir->c.name , ## arg)

/** rc5 functions */
static int saa7134_rc5_irq(struct saa7134_dev *dev);

/* -------------------- GPIO generic keycode builder -------------------- */

static int build_key(struct saa7134_dev *dev)
{
	struct card_ir *ir = dev->remote;
	u32 gpio, data;

	/* rising SAA7134_GPIO_GPRESCAN reads the status */
	saa_clearb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
	saa_setb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);

	gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
	if (ir->polling) {
		if (ir->last_gpio == gpio)
			return 0;
		ir->last_gpio = gpio;
	}

	data = ir_extract_bits(gpio, ir->mask_keycode);
	dprintk("build_key gpio=0x%x mask=0x%x data=%d\n",
		gpio, ir->mask_keycode, data);

	if (ir->polling) {
		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);
		}
	}
	else {	/* IRQ driven mode - handle key press and release in one go */
		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);
			ir_input_nokey(ir->dev, &ir->ir);
		}
	}

	return 0;
}

/* --------------------- Chip specific I2C key builders ----------------- */

static int get_key_purpletv(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
{
	unsigned char b;

	/* poll IR chip */
	if (1 != i2c_master_recv(&ir->c,&b,1)) {
		i2cdprintk("read error\n");
		return -EIO;
	}

	/* no button press */
	if (b==0)
		return 0;

	/* repeating */
	if (b & 0x80)
		return 1;

	*ir_key = b;
	*ir_raw = b;
	return 1;
}

static int get_key_hvr1110(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw)
{
	unsigned char buf[5], cod4, code3, code4;

	/* poll IR chip */
	if (5 != i2c_master_recv(&ir->c,buf,5))
		return -EIO;

	cod4	= buf[4];
	code4	= (cod4 >> 2);
	code3	= buf[3];
	if (code3 == 0)
		/* no key pressed */
		return 0;

	/* return key */
	*ir_key = code4;
	*ir_raw = code4;
	return 1;
}

void saa7134_input_irq(struct saa7134_dev *dev)
{
	struct card_ir *ir = dev->remote;

	if (!ir->polling && !ir->rc5_gpio) {
		build_key(dev);
	} else if (ir->rc5_gpio) {
		saa7134_rc5_irq(dev);
	}
}

static void saa7134_input_timer(unsigned long data)
{
	struct saa7134_dev *dev = (struct saa7134_dev*)data;
	struct card_ir *ir = dev->remote;
	unsigned long timeout;

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

static void saa7134_ir_start(struct saa7134_dev *dev, struct card_ir *ir)
{
	if (ir->polling) {
		init_timer(&ir->timer);
		ir->timer.function = saa7134_input_timer;
		ir->timer.data     = (unsigned long)dev;
		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 = 2;
		ir->start = 0x2;
		ir->addr = 0x17;
		ir->rc5_key_timeout = ir_rc5_key_timeout;
		ir->rc5_remote_gap = ir_rc5_remote_gap;
	}
}

static void saa7134_ir_stop(struct saa7134_dev *dev)
{
	if (dev->remote->polling)
		del_timer_sync(&dev->remote->timer);
}

int saa7134_input_init1(struct saa7134_dev *dev)
{
	struct card_ir *ir;
	struct input_dev *input_dev;
	IR_KEYTAB_TYPE *ir_codes = NULL;
	u32 mask_keycode = 0;
	u32 mask_keydown = 0;
	u32 mask_keyup   = 0;
	int polling      = 0;
	int rc5_gpio	 = 0;
	int ir_type      = IR_TYPE_OTHER;
	int err;

	if (dev->has_remote != SAA7134_REMOTE_GPIO)
		return -ENODEV;
	if (disable_ir)
		return -ENODEV;

	/* detect & configure */
	switch (dev->board) {
	case SAA7134_BOARD_FLYVIDEO2000:
	case SAA7134_BOARD_FLYVIDEO3000:
	case SAA7134_BOARD_FLYTVPLATINUM_FM:
	case SAA7134_BOARD_FLYTVPLATINUM_MINI2:
		ir_codes     = ir_codes_flyvideo;
		mask_keycode = 0xEC00000;
		mask_keydown = 0x0040000;
		break;
	case SAA7134_BOARD_CINERGY400:
	case SAA7134_BOARD_CINERGY600:
	case SAA7134_BOARD_CINERGY600_MK3:
		ir_codes     = ir_codes_cinergy;
		mask_keycode = 0x00003f;
		mask_keyup   = 0x040000;
		break;
	case SAA7134_BOARD_ECS_TVP3XP:
	case SAA7134_BOARD_ECS_TVP3XP_4CB5:
		ir_codes     = ir_codes_eztv;
		mask_keycode = 0x00017c;
		mask_keyup   = 0x000002;
		polling      = 50; // ms
		break;
	case SAA7134_BOARD_KWORLD_XPERT:
	case SAA7134_BOARD_AVACSSMARTTV:
		ir_codes     = ir_codes_pixelview;
		mask_keycode = 0x00001F;
		mask_keyup   = 0x000020;
		polling      = 50; // ms
		break;
	case SAA7134_BOARD_MD2819:
	case SAA7134_BOARD_KWORLD_VSTREAM_XPERT:
	case SAA7134_BOARD_AVERMEDIA_305:
	case SAA7134_BOARD_AVERMEDIA_307:
	case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
	case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
	case SAA7134_BOARD_AVERMEDIA_STUDIO_507:
	case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
		ir_codes     = ir_codes_avermedia;
		mask_keycode = 0x0007C8;
		mask_keydown = 0x000010;
		polling      = 50; // ms
		/* Set GPIO pin2 to high to enable the IR controller */
		saa_setb(SAA7134_GPIO_GPMODE0, 0x4);
		saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4);
		break;
	case SAA7134_BOARD_AVERMEDIA_777:
	case SAA7134_BOARD_AVERMEDIA_A16AR:
		ir_codes     = ir_codes_avermedia;
		mask_keycode = 0x02F200;
		mask_keydown = 0x000400;
		polling      = 50; // ms
		/* Without this we won't receive key up events */
		saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
		saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
		break;
	case SAA7134_BOARD_KWORLD_TERMINATOR:
		ir_codes     = ir_codes_pixelview;
		mask_keycode = 0x00001f;
		mask_keyup   = 0x000060;
		polling      = 50; // ms
		break;
	case SAA7134_BOARD_MANLI_MTV001:
	case SAA7134_BOARD_MANLI_MTV002:
	case SAA7134_BOARD_BEHOLD_409FM:
		ir_codes     = ir_codes_manli;
		mask_keycode = 0x001f00;
		mask_keyup   = 0x004000;
		polling      = 50; // ms
		break;
	case SAA7134_BOARD_SEDNA_PC_TV_CARDBUS:
		ir_codes     = ir_codes_pctv_sedna;
		mask_keycode = 0x001f00;
		mask_keyup   = 0x004000;
		polling      = 50; // ms
		break;
	case SAA7134_BOARD_GOTVIEW_7135:
		ir_codes     = ir_codes_gotview7135;
		mask_keycode = 0x0003EC;
		mask_keyup   = 0x008000;
		mask_keydown = 0x000010;
		polling	     = 50; // ms
		break;
	case SAA7134_BOARD_VIDEOMATE_TV_PVR:
	case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS:
	case SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII:
		ir_codes     = ir_codes_videomate_tv_pvr;
		mask_keycode = 0x00003F;
		mask_keyup   = 0x400000;
		polling      = 50; // ms
		break;
	case SAA7134_BOARD_PROTEUS_2309:
		ir_codes     = ir_codes_proteus_2309;
		mask_keycode = 0x00007F;
		mask_keyup   = 0x000080;
		polling      = 50; // ms
		break;
	case SAA7134_BOARD_VIDEOMATE_DVBT_300:
	case SAA7134_BOARD_VIDEOMATE_DVBT_200:
		ir_codes     = ir_codes_videomate_tv_pvr;
		mask_keycode = 0x003F00;
		mask_keyup   = 0x040000;
		break;
	case SAA7134_BOARD_FLYDVBT_LR301:
	case SAA7134_BOARD_FLYDVBTDUO:
		ir_codes     = ir_codes_flydvb;
		mask_keycode = 0x0001F00;
		mask_keydown = 0x0040000;
		break;
	case SAA7134_BOARD_ASUSTeK_P7131_DUAL:
		ir_codes     = ir_codes_asus_pc39;
		mask_keydown = 0x0040000;
		rc5_gpio = 1;
		break;
	case SAA7134_BOARD_ENCORE_ENLTV:
	case SAA7134_BOARD_ENCORE_ENLTV_FM:
		ir_codes     = ir_codes_encore_enltv;
		mask_keycode = 0x00007f;
		mask_keyup   = 0x040000;
		polling      = 50; // ms
		break;
	}
	if (NULL == ir_codes) {
		printk("%s: Oops: IR config error [card=%d]\n",
		       dev->name, dev->board);
		return -ENODEV;
	}

	ir = kzalloc(sizeof(*ir), GFP_KERNEL);
	input_dev = input_allocate_device();
	if (!ir || !input_dev) {
		err = -ENOMEM;
		goto err_out_free;
	}

	ir->dev = input_dev;

	/* init hardware-specific stuff */
	ir->mask_keycode = mask_keycode;
	ir->mask_keydown = mask_keydown;
	ir->mask_keyup   = mask_keyup;
	ir->polling      = polling;
	ir->rc5_gpio	 = rc5_gpio;

	/* init input device */
	snprintf(ir->name, sizeof(ir->name), "saa7134 IR (%s)",
		 saa7134_boards[dev->board].name);
	snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
		 pci_name(dev->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 (dev->pci->subsystem_vendor) {
		input_dev->id.vendor  = dev->pci->subsystem_vendor;
		input_dev->id.product = dev->pci->subsystem_device;
	} else {
		input_dev->id.vendor  = dev->pci->vendor;
		input_dev->id.product = dev->pci->device;
	}
	input_dev->cdev.dev = &dev->pci->dev;

	dev->remote = ir;
	saa7134_ir_start(dev, ir);

	err = input_register_device(ir->dev);
	if (err)
		goto err_out_stop;

	return 0;

 err_out_stop:
	saa7134_ir_stop(dev);
	dev->remote = NULL;
 err_out_free:
	input_free_device(input_dev);
	kfree(ir);
	return err;
}

void saa7134_input_fini(struct saa7134_dev *dev)
{
	if (NULL == dev->remote)
		return;

	saa7134_ir_stop(dev);
	input_unregister_device(dev->remote->dev);
	kfree(dev->remote);
	dev->remote = NULL;
}

void saa7134_set_i2c_ir(struct saa7134_dev *dev, struct IR_i2c *ir)
{
	if (disable_ir) {
		dprintk("Found supported i2c remote, but IR has been disabled\n");
		ir->get_key=NULL;
		return;
	}

	switch (dev->board) {
	case SAA7134_BOARD_PINNACLE_PCTV_110i:
	case SAA7134_BOARD_PINNACLE_PCTV_310i:
		snprintf(ir->c.name, sizeof(ir->c.name), "Pinnacle PCTV");
		if (pinnacle_remote == 0) {
			ir->get_key   = get_key_pinnacle_color;
			ir->ir_codes = ir_codes_pinnacle_color;
		} else {
			ir->get_key   = get_key_pinnacle_grey;
			ir->ir_codes = ir_codes_pinnacle_grey;
		}
		break;
	case SAA7134_BOARD_UPMOST_PURPLE_TV:
		snprintf(ir->c.name, sizeof(ir->c.name), "Purple TV");
		ir->get_key   = get_key_purpletv;
		ir->ir_codes  = ir_codes_purpletv;
		break;
	case SAA7134_BOARD_HAUPPAUGE_HVR1110:
		snprintf(ir->c.name, sizeof(ir->c.name), "HVR 1110");
		ir->get_key   = get_key_hvr1110;
		ir->ir_codes  = ir_codes_hauppauge_new;
		break;
	default:
		dprintk("Shouldn't get here: Unknown board %x for I2C IR?\n",dev->board);
		break;
	}

}

static int saa7134_rc5_irq(struct saa7134_dev *dev)
{
	struct card_ir *ir = dev->remote;
	struct timeval tv;
	u32 gap;
	unsigned long current_jiffies, timeout;

	/* 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);
	}

	return 1;
}

/* ----------------------------------------------------------------------
 * Local variables:
 * c-basic-offset: 8
 * End:
 */
Commit	Line	Data
1da177e4	1	/*
1da177e4 LT	2	*
	3	* handle saa7134 IR remotes via linux kernel input layer.
	4	*
	5	* This program is free software; you can redistribute it and/or modify
	6	* it under the terms of the GNU General Public License as published by
	7	* the Free Software Foundation; either version 2 of the License, or
	8	* (at your option) any later version.
	9	*
	10	* This program is distributed in the hope that it will be useful,
	11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	* GNU General Public License for more details.
	14	*
	15	* You should have received a copy of the GNU General Public License
	16	* along with this program; if not, write to the Free Software
	17	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	18	*
	19	*/
	20
	21	#include <linux/module.h>
	22	#include <linux/moduleparam.h>
	23	#include <linux/init.h>
	24	#include <linux/delay.h>
1da177e4 LT	25	#include <linux/interrupt.h>
	26	#include <linux/input.h>
	27
	28	#include "saa7134-reg.h"
	29	#include "saa7134.h"
	30
	31	static unsigned int disable_ir = 0;
	32	module_param(disable_ir, int, 0444);
	33	MODULE_PARM_DESC(disable_ir,"disable infrared remote support");
	34
	35	static unsigned int ir_debug = 0;
	36	module_param(ir_debug, int, 0644);
	37	MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]");
	38
b93eedb6 SP	39	static int pinnacle_remote = 0;
	40	module_param(pinnacle_remote, int, 0644); /* Choose Pinnacle PCTV remote */
	41	MODULE_PARM_DESC(pinnacle_remote, "Specify Pinnacle PCTV remote: 0=coloured, 1=grey (defaults to 0)");
	42
9160723e HP	43	int ir_rc5_remote_gap = 885;
	44	module_param(ir_rc5_remote_gap, int, 0644);
	45	int ir_rc5_key_timeout = 115;
	46	module_param(ir_rc5_key_timeout, int, 0644);
	47
1da177e4 LT	48	#define dprintk(fmt, arg...) if (ir_debug) \
1da177e4 LT	49	printk(KERN_DEBUG "%s/ir: " fmt, dev->name , ## arg)
ac9cd976 RC	50	#define i2cdprintk(fmt, arg...) if (ir_debug) \
ac9cd976 RC	51	printk(KERN_DEBUG "%s/ir: " fmt, ir->c.name , ## arg)
1da177e4	52
9160723e HP	53	/** rc5 functions */
	54	static int saa7134_rc5_irq(struct saa7134_dev *dev);
	55
ac9cd976	56	/* -------------------- GPIO generic keycode builder -------------------- */
1da177e4 LT	57
	58	static int build_key(struct saa7134_dev *dev)
	59	{
9160723e	60	struct card_ir *ir = dev->remote;
1da177e4 LT	61	u32 gpio, data;
	62
	63	/* rising SAA7134_GPIO_GPRESCAN reads the status */
	64	saa_clearb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
	65	saa_setb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN);
	66
	67	gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2);
4ac97914 MCC	68	if (ir->polling) {
	69	if (ir->last_gpio == gpio)
	70	return 0;
	71	ir->last_gpio = gpio;
	72	}
1da177e4	73
4ac97914	74	data = ir_extract_bits(gpio, ir->mask_keycode);
1da177e4 LT	75	dprintk("build_key gpio=0x%x mask=0x%x data=%d\n",
	76	gpio, ir->mask_keycode, data);
	77
0602fbb2 PM	78	if (ir->polling) {
	79	if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) \|\|
	80	(ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) {
	81	ir_input_keydown(ir->dev, &ir->ir, data, data);
	82	} else {
	83	ir_input_nokey(ir->dev, &ir->ir);
	84	}
1da177e4	85	}
0602fbb2 PM	86	else { /* IRQ driven mode - handle key press and release in one go */
	87	if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) \|\|
	88	(ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) {
	89	ir_input_keydown(ir->dev, &ir->ir, data, data);
	90	ir_input_nokey(ir->dev, &ir->ir);
	91	}
	92	}
	93
1da177e4 LT	94	return 0;
	95	}
	96
ac9cd976 RC	97	/* --------------------- Chip specific I2C key builders ----------------- */
	98
	99	static int get_key_purpletv(struct IR_i2c ir, u32 ir_key, u32 *ir_raw)
	100	{
	101	unsigned char b;
	102
	103	/* poll IR chip */
	104	if (1 != i2c_master_recv(&ir->c,&b,1)) {
	105	i2cdprintk("read error\n");
	106	return -EIO;
	107	}
	108
	109	/* no button press */
	110	if (b==0)
	111	return 0;
	112
	113	/* repeating */
	114	if (b & 0x80)
	115	return 1;
	116
	117	*ir_key = b;
	118	*ir_raw = b;
	119	return 1;
	120	}
	121
177aaaf8 TG	122	static int get_key_hvr1110(struct IR_i2c ir, u32 ir_key, u32 *ir_raw)
	123	{
	124	unsigned char buf[5], cod4, code3, code4;
	125
	126	/* poll IR chip */
	127	if (5 != i2c_master_recv(&ir->c,buf,5))
	128	return -EIO;
	129
	130	cod4 = buf[4];
	131	code4 = (cod4 >> 2);
	132	code3 = buf[3];
	133	if (code3 == 0)
	134	/* no key pressed */
	135	return 0;
	136
	137	/* return key */
	138	*ir_key = code4;
	139	*ir_raw = code4;
	140	return 1;
	141	}
	142
1da177e4 LT	143	void saa7134_input_irq(struct saa7134_dev *dev)
1da177e4 LT	144	{
9160723e	145	struct card_ir *ir = dev->remote;
1da177e4	146
9160723e	147	if (!ir->polling && !ir->rc5_gpio) {
1da177e4	148	build_key(dev);
9160723e HP	149	} else if (ir->rc5_gpio) {
	150	saa7134_rc5_irq(dev);
	151	}
1da177e4 LT	152	}
	153
	154	static void saa7134_input_timer(unsigned long data)
	155	{
	156	struct saa7134_dev dev = (struct saa7134_dev)data;
9160723e	157	struct card_ir *ir = dev->remote;
1da177e4 LT	158	unsigned long timeout;
	159
	160	build_key(dev);
	161	timeout = jiffies + (ir->polling * HZ / 1000);
	162	mod_timer(&ir->timer, timeout);
	163	}
	164
9160723e	165	static void saa7134_ir_start(struct saa7134_dev dev, struct card_ir ir)
b07b4783 DT	166	{
	167	if (ir->polling) {
	168	init_timer(&ir->timer);
	169	ir->timer.function = saa7134_input_timer;
	170	ir->timer.data = (unsigned long)dev;
	171	ir->timer.expires = jiffies + HZ;
	172	add_timer(&ir->timer);
9160723e HP	173	} else if (ir->rc5_gpio) {
	174	/* set timer_end for code completion */
	175	init_timer(&ir->timer_end);
	176	ir->timer_end.function = ir_rc5_timer_end;
	177	ir->timer_end.data = (unsigned long)ir;
	178	init_timer(&ir->timer_keyup);
	179	ir->timer_keyup.function = ir_rc5_timer_keyup;
	180	ir->timer_keyup.data = (unsigned long)ir;
	181	ir->shift_by = 2;
	182	ir->start = 0x2;
	183	ir->addr = 0x17;
	184	ir->rc5_key_timeout = ir_rc5_key_timeout;
	185	ir->rc5_remote_gap = ir_rc5_remote_gap;
b07b4783 DT	186	}
	187	}
	188
	189	static void saa7134_ir_stop(struct saa7134_dev *dev)
	190	{
	191	if (dev->remote->polling)
	192	del_timer_sync(&dev->remote->timer);
	193	}
	194
1da177e4 LT	195	int saa7134_input_init1(struct saa7134_dev *dev)
1da177e4 LT	196	{
9160723e	197	struct card_ir *ir;
b7df3910	198	struct input_dev *input_dev;
1da177e4 LT	199	IR_KEYTAB_TYPE *ir_codes = NULL;
	200	u32 mask_keycode = 0;
	201	u32 mask_keydown = 0;
	202	u32 mask_keyup = 0;
	203	int polling = 0;
9160723e	204	int rc5_gpio = 0;
1da177e4	205	int ir_type = IR_TYPE_OTHER;
b07b4783	206	int err;
1da177e4	207
cb2444df	208	if (dev->has_remote != SAA7134_REMOTE_GPIO)
1da177e4 LT	209	return -ENODEV;
	210	if (disable_ir)
	211	return -ENODEV;
	212
	213	/* detect & configure */
	214	switch (dev->board) {
	215	case SAA7134_BOARD_FLYVIDEO2000:
	216	case SAA7134_BOARD_FLYVIDEO3000:
4ac97914	217	case SAA7134_BOARD_FLYTVPLATINUM_FM:
6af90ab5	218	case SAA7134_BOARD_FLYTVPLATINUM_MINI2:
4c0f631e	219	ir_codes = ir_codes_flyvideo;
1da177e4 LT	220	mask_keycode = 0xEC00000;
	221	mask_keydown = 0x0040000;
	222	break;
	223	case SAA7134_BOARD_CINERGY400:
	224	case SAA7134_BOARD_CINERGY600:
	225	case SAA7134_BOARD_CINERGY600_MK3:
4c0f631e	226	ir_codes = ir_codes_cinergy;
1da177e4 LT	227	mask_keycode = 0x00003f;
	228	mask_keyup = 0x040000;
	229	break;
	230	case SAA7134_BOARD_ECS_TVP3XP:
	231	case SAA7134_BOARD_ECS_TVP3XP_4CB5:
4c0f631e	232	ir_codes = ir_codes_eztv;
330a115a MCC	233	mask_keycode = 0x00017c;
330a115a MCC	234	mask_keyup = 0x000002;
1da177e4	235	polling = 50; // ms
330a115a MCC	236	break;
330a115a MCC	237	case SAA7134_BOARD_KWORLD_XPERT:
1da177e4	238	case SAA7134_BOARD_AVACSSMARTTV:
b639f9d2	239	ir_codes = ir_codes_pixelview;
1da177e4 LT	240	mask_keycode = 0x00001F;
	241	mask_keyup = 0x000020;
	242	polling = 50; // ms
	243	break;
	244	case SAA7134_BOARD_MD2819:
ac19ecc6	245	case SAA7134_BOARD_KWORLD_VSTREAM_XPERT:
1da177e4 LT	246	case SAA7134_BOARD_AVERMEDIA_305:
1da177e4 LT	247	case SAA7134_BOARD_AVERMEDIA_307:
ac19ecc6 MCC	248	case SAA7134_BOARD_AVERMEDIA_STUDIO_305:
ac19ecc6 MCC	249	case SAA7134_BOARD_AVERMEDIA_STUDIO_307:
3ac706d2	250	case SAA7134_BOARD_AVERMEDIA_STUDIO_507:
ac19ecc6	251	case SAA7134_BOARD_AVERMEDIA_GO_007_FM:
b639f9d2	252	ir_codes = ir_codes_avermedia;
1da177e4 LT	253	mask_keycode = 0x0007C8;
	254	mask_keydown = 0x000010;
	255	polling = 50; // ms
	256	/* Set GPIO pin2 to high to enable the IR controller */
	257	saa_setb(SAA7134_GPIO_GPMODE0, 0x4);
	258	saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4);
	259	break;
450efcfd	260	case SAA7134_BOARD_AVERMEDIA_777:
29e0f1a1	261	case SAA7134_BOARD_AVERMEDIA_A16AR:
450efcfd	262	ir_codes = ir_codes_avermedia;
	263	mask_keycode = 0x02F200;
	264	mask_keydown = 0x000400;
	265	polling = 50; // ms
	266	/* Without this we won't receive key up events */
	267	saa_setb(SAA7134_GPIO_GPMODE1, 0x1);
	268	saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1);
4dd7406e	269	break;
4ac97914	270	case SAA7134_BOARD_KWORLD_TERMINATOR:
b639f9d2	271	ir_codes = ir_codes_pixelview;
dc2286cf JW	272	mask_keycode = 0x00001f;
	273	mask_keyup = 0x000060;
	274	polling = 50; // ms
	275	break;
ac19ecc6 MCC	276	case SAA7134_BOARD_MANLI_MTV001:
ac19ecc6 MCC	277	case SAA7134_BOARD_MANLI_MTV002:
a8ff417e	278	case SAA7134_BOARD_BEHOLD_409FM:
4c0f631e	279	ir_codes = ir_codes_manli;
ac19ecc6 MCC	280	mask_keycode = 0x001f00;
ac19ecc6 MCC	281	mask_keyup = 0x004000;
ac19ecc6 MCC	282	polling = 50; // ms
ac19ecc6 MCC	283	break;
17ce1ff9	284	case SAA7134_BOARD_SEDNA_PC_TV_CARDBUS:
4c0f631e	285	ir_codes = ir_codes_pctv_sedna;
c3d93192 PM	286	mask_keycode = 0x001f00;
	287	mask_keyup = 0x004000;
	288	polling = 50; // ms
	289	break;
4ac97914	290	case SAA7134_BOARD_GOTVIEW_7135:
4c0f631e	291	ir_codes = ir_codes_gotview7135;
6b961440 NS	292	mask_keycode = 0x0003EC;
	293	mask_keyup = 0x008000;
	294	mask_keydown = 0x000010;
	295	polling = 50; // ms
	296	break;
1da177e4	297	case SAA7134_BOARD_VIDEOMATE_TV_PVR:
2a9a9a84	298	case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS:
330a115a	299	case SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII:
4c0f631e	300	ir_codes = ir_codes_videomate_tv_pvr;
1da177e4 LT	301	mask_keycode = 0x00003F;
	302	mask_keyup = 0x400000;
	303	polling = 50; // ms
	304	break;
b04c1baf MM	305	case SAA7134_BOARD_PROTEUS_2309:
	306	ir_codes = ir_codes_proteus_2309;
	307	mask_keycode = 0x00007F;
	308	mask_keyup = 0x000080;
	309	polling = 50; // ms
	310	break;
4ac97914 MCC	311	case SAA7134_BOARD_VIDEOMATE_DVBT_300:
4ac97914 MCC	312	case SAA7134_BOARD_VIDEOMATE_DVBT_200:
4c0f631e	313	ir_codes = ir_codes_videomate_tv_pvr;
fea095fe NS	314	mask_keycode = 0x003F00;
	315	mask_keyup = 0x040000;
	316	break;
3d8466ec	317	case SAA7134_BOARD_FLYDVBT_LR301:
a8029170	318	case SAA7134_BOARD_FLYDVBTDUO:
3d8466ec GG	319	ir_codes = ir_codes_flydvb;
	320	mask_keycode = 0x0001F00;
	321	mask_keydown = 0x0040000;
	322	break;
9160723e HP	323	case SAA7134_BOARD_ASUSTeK_P7131_DUAL:
	324	ir_codes = ir_codes_asus_pc39;
	325	mask_keydown = 0x0040000;
	326	rc5_gpio = 1;
	327	break;
c36c459a JPS	328	case SAA7134_BOARD_ENCORE_ENLTV:
	329	case SAA7134_BOARD_ENCORE_ENLTV_FM:
	330	ir_codes = ir_codes_encore_enltv;
	331	mask_keycode = 0x00007f;
	332	mask_keyup = 0x040000;
	333	polling = 50; // ms
	334	break;
1da177e4 LT	335	}
	336	if (NULL == ir_codes) {
	337	printk("%s: Oops: IR config error [card=%d]\n",
	338	dev->name, dev->board);
	339	return -ENODEV;
	340	}
	341
b7df3910 DT	342	ir = kzalloc(sizeof(*ir), GFP_KERNEL);
	343	input_dev = input_allocate_device();
	344	if (!ir \|\| !input_dev) {
b07b4783 DT	345	err = -ENOMEM;
b07b4783 DT	346	goto err_out_free;
b7df3910	347	}
1da177e4	348
d271d1c2 DT	349	ir->dev = input_dev;
d271d1c2 DT	350
1da177e4 LT	351	/* init hardware-specific stuff */
	352	ir->mask_keycode = mask_keycode;
	353	ir->mask_keydown = mask_keydown;
	354	ir->mask_keyup = mask_keyup;
4ac97914	355	ir->polling = polling;
9160723e	356	ir->rc5_gpio = rc5_gpio;
1da177e4 LT	357
	358	/* init input device */
	359	snprintf(ir->name, sizeof(ir->name), "saa7134 IR (%s)",
	360	saa7134_boards[dev->board].name);
	361	snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
	362	pci_name(dev->pci));
	363
b7df3910 DT	364	ir_input_init(input_dev, &ir->ir, ir_type, ir_codes);
	365	input_dev->name = ir->name;
	366	input_dev->phys = ir->phys;
	367	input_dev->id.bustype = BUS_PCI;
	368	input_dev->id.version = 1;
1da177e4	369	if (dev->pci->subsystem_vendor) {
b7df3910 DT	370	input_dev->id.vendor = dev->pci->subsystem_vendor;
b7df3910 DT	371	input_dev->id.product = dev->pci->subsystem_device;
1da177e4	372	} else {
b7df3910 DT	373	input_dev->id.vendor = dev->pci->vendor;
b7df3910 DT	374	input_dev->id.product = dev->pci->device;
1da177e4	375	}
b7df3910	376	input_dev->cdev.dev = &dev->pci->dev;
1da177e4	377
1da177e4	378	dev->remote = ir;
b07b4783 DT	379	saa7134_ir_start(dev, ir);
	380
	381	err = input_register_device(ir->dev);
	382	if (err)
	383	goto err_out_stop;
1da177e4	384
1da177e4	385	return 0;
b07b4783 DT	386
	387	err_out_stop:
	388	saa7134_ir_stop(dev);
	389	dev->remote = NULL;
	390	err_out_free:
	391	input_free_device(input_dev);
	392	kfree(ir);
	393	return err;
1da177e4 LT	394	}
	395
	396	void saa7134_input_fini(struct saa7134_dev *dev)
	397	{
	398	if (NULL == dev->remote)
	399	return;
	400
b07b4783	401	saa7134_ir_stop(dev);
b7df3910	402	input_unregister_device(dev->remote->dev);
1da177e4 LT	403	kfree(dev->remote);
	404	dev->remote = NULL;
	405	}
	406
ac9cd976 RC	407	void saa7134_set_i2c_ir(struct saa7134_dev dev, struct IR_i2c ir)
	408	{
	409	if (disable_ir) {
cb2444df	410	dprintk("Found supported i2c remote, but IR has been disabled\n");
ac9cd976 RC	411	ir->get_key=NULL;
	412	return;
	413	}
	414
	415	switch (dev->board) {
	416	case SAA7134_BOARD_PINNACLE_PCTV_110i:
eb591af3	417	case SAA7134_BOARD_PINNACLE_PCTV_310i:
ac9cd976	418	snprintf(ir->c.name, sizeof(ir->c.name), "Pinnacle PCTV");
b93eedb6 SP	419	if (pinnacle_remote == 0) {
	420	ir->get_key = get_key_pinnacle_color;
	421	ir->ir_codes = ir_codes_pinnacle_color;
	422	} else {
	423	ir->get_key = get_key_pinnacle_grey;
	424	ir->ir_codes = ir_codes_pinnacle_grey;
	425	}
ac9cd976 RC	426	break;
	427	case SAA7134_BOARD_UPMOST_PURPLE_TV:
	428	snprintf(ir->c.name, sizeof(ir->c.name), "Purple TV");
	429	ir->get_key = get_key_purpletv;
	430	ir->ir_codes = ir_codes_purpletv;
	431	break;
177aaaf8 TG	432	case SAA7134_BOARD_HAUPPAUGE_HVR1110:
	433	snprintf(ir->c.name, sizeof(ir->c.name), "HVR 1110");
	434	ir->get_key = get_key_hvr1110;
	435	ir->ir_codes = ir_codes_hauppauge_new;
	436	break;
ac9cd976 RC	437	default:
	438	dprintk("Shouldn't get here: Unknown board %x for I2C IR?\n",dev->board);
	439	break;
	440	}
	441
	442	}
9160723e HP	443
	444	static int saa7134_rc5_irq(struct saa7134_dev *dev)
	445	{
	446	struct card_ir *ir = dev->remote;
	447	struct timeval tv;
	448	u32 gap;
	449	unsigned long current_jiffies, timeout;
	450
	451	/* get time of bit */
	452	current_jiffies = jiffies;
	453	do_gettimeofday(&tv);
	454
	455	/* avoid overflow with gap >1s */
	456	if (tv.tv_sec - ir->base_time.tv_sec > 1) {
	457	gap = 200000;
	458	} else {
	459	gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
	460	tv.tv_usec - ir->base_time.tv_usec;
	461	}
	462
	463	/* active code => add bit */
	464	if (ir->active) {
	465	/* only if in the code (otherwise spurious IRQ or timer
	466	late) */
	467	if (ir->last_bit < 28) {
	468	ir->last_bit = (gap - ir_rc5_remote_gap / 2) /
	469	ir_rc5_remote_gap;
	470	ir->code \|= 1 << ir->last_bit;
	471	}
	472	/* starting new code */
	473	} else {
	474	ir->active = 1;
	475	ir->code = 0;
	476	ir->base_time = tv;
	477	ir->last_bit = 0;
	478
	479	timeout = current_jiffies + (500 + 30 * HZ) / 1000;
	480	mod_timer(&ir->timer_end, timeout);
	481	}
	482
	483	return 1;
	484	}
	485
1da177e4 LT	486	/* ----------------------------------------------------------------------
	487	* Local variables:
	488	* c-basic-offset: 8
	489	* End:
	490	*/