[deliverable/linux.git] / drivers / media / pci / ttpci / av7110_ir.c

/*
 * Driver for the remote control of SAA7146 based AV7110 cards
 *
 * Copyright (C) 1999-2003 Holger Waechtler <holger@convergence.de>
 * Copyright (C) 2003-2007 Oliver Endriss <o.endriss@gmx.de>
 *
 * 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.
 * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
 *
 */


#include <linux/types.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/proc_fs.h>
#include <linux/kernel.h>
#include <linux/bitops.h>

#include "av7110.h"
#include "av7110_hw.h"


#define AV_CNT		4

#define IR_RC5		0
#define IR_RCMM		1
#define IR_RC5_EXT	2 /* internal only */

#define IR_ALL		0xffffffff

#define UP_TIMEOUT	(HZ*7/25)


/* Note: enable ir debugging by or'ing debug with 16 */

static int ir_protocol[AV_CNT] = { IR_RCMM, IR_RCMM, IR_RCMM, IR_RCMM};
module_param_array(ir_protocol, int, NULL, 0644);
MODULE_PARM_DESC(ir_protocol, "Infrared protocol: 0 RC5, 1 RCMM (default)");

static int ir_inversion[AV_CNT];
module_param_array(ir_inversion, int, NULL, 0644);
MODULE_PARM_DESC(ir_inversion, "Inversion of infrared signal: 0 not inverted (default), 1 inverted");

static uint ir_device_mask[AV_CNT] = { IR_ALL, IR_ALL, IR_ALL, IR_ALL };
module_param_array(ir_device_mask, uint, NULL, 0644);
MODULE_PARM_DESC(ir_device_mask, "Bitmask of infrared devices: bit 0..31 = device 0..31 (default: all)");


static int av_cnt;
static struct av7110 *av_list[AV_CNT];

static u16 default_key_map [256] = {
	KEY_0, KEY_1, KEY_2, KEY_3, KEY_4, KEY_5, KEY_6, KEY_7,
	KEY_8, KEY_9, KEY_BACK, 0, KEY_POWER, KEY_MUTE, 0, KEY_INFO,
	KEY_VOLUMEUP, KEY_VOLUMEDOWN, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	KEY_CHANNELUP, KEY_CHANNELDOWN, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, KEY_TEXT, 0, 0, KEY_TV, 0, 0, 0, 0, 0, KEY_SETUP, 0, 0,
	0, 0, 0, KEY_SUBTITLE, 0, 0, KEY_LANGUAGE, 0,
	KEY_RADIO, 0, 0, 0, 0, KEY_EXIT, 0, 0,
	KEY_UP, KEY_DOWN, KEY_LEFT, KEY_RIGHT, KEY_OK, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, KEY_RED, KEY_GREEN, KEY_YELLOW,
	KEY_BLUE, 0, 0, 0, 0, 0, 0, 0, KEY_MENU, KEY_LIST, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, KEY_UP, KEY_UP, KEY_DOWN, KEY_DOWN,
	0, 0, 0, 0, KEY_EPG, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, KEY_VCR
};


/* key-up timer */
static void av7110_emit_keyup(unsigned long parm)
{
	struct infrared *ir = (struct infrared *) parm;

	if (!ir || !test_bit(ir->last_key, ir->input_dev->key))
		return;

	input_report_key(ir->input_dev, ir->last_key, 0);
	input_sync(ir->input_dev);
}


/* tasklet */
static void av7110_emit_key(unsigned long parm)
{
	struct infrared *ir = (struct infrared *) parm;
	u32 ircom = ir->ir_command;
	u8 data;
	u8 addr;
	u16 toggle;
	u16 keycode;

	/* extract device address and data */
	switch (ir->protocol) {
	case IR_RC5: /* RC5: 5 bits device address, 6 bits data */
		data = ircom & 0x3f;
		addr = (ircom >> 6) & 0x1f;
		toggle = ircom & 0x0800;
		break;

	case IR_RCMM: /* RCMM: ? bits device address, ? bits data */
		data = ircom & 0xff;
		addr = (ircom >> 8) & 0x1f;
		toggle = ircom & 0x8000;
		break;

	case IR_RC5_EXT: /* extended RC5: 5 bits device address, 7 bits data */
		data = ircom & 0x3f;
		addr = (ircom >> 6) & 0x1f;
		/* invert 7th data bit for backward compatibility with RC5 keymaps */
		if (!(ircom & 0x1000))
			data |= 0x40;
		toggle = ircom & 0x0800;
		break;

	default:
		printk("%s invalid protocol %x\n", __func__, ir->protocol);
		return;
	}

	input_event(ir->input_dev, EV_MSC, MSC_RAW, (addr << 16) | data);
	input_event(ir->input_dev, EV_MSC, MSC_SCAN, data);

	keycode = ir->key_map[data];

	dprintk(16, "%s: code %08x -> addr %i data 0x%02x -> keycode %i\n",
		__func__, ircom, addr, data, keycode);

	/* check device address */
	if (!(ir->device_mask & (1 << addr)))
		return;

	if (!keycode) {
		printk ("%s: code %08x -> addr %i data 0x%02x -> unknown key!\n",
			__func__, ircom, addr, data);
		return;
	}

	if (timer_pending(&ir->keyup_timer)) {
		del_timer(&ir->keyup_timer);
		if (ir->last_key != keycode || toggle != ir->last_toggle) {
			ir->delay_timer_finished = 0;
			input_event(ir->input_dev, EV_KEY, ir->last_key, 0);
			input_event(ir->input_dev, EV_KEY, keycode, 1);
			input_sync(ir->input_dev);
		} else if (ir->delay_timer_finished) {
			input_event(ir->input_dev, EV_KEY, keycode, 2);
			input_sync(ir->input_dev);
		}
	} else {
		ir->delay_timer_finished = 0;
		input_event(ir->input_dev, EV_KEY, keycode, 1);
		input_sync(ir->input_dev);
	}

	ir->last_key = keycode;
	ir->last_toggle = toggle;

	ir->keyup_timer.expires = jiffies + UP_TIMEOUT;
	add_timer(&ir->keyup_timer);

}


/* register with input layer */
static void input_register_keys(struct infrared *ir)
{
	int i;

	set_bit(EV_KEY, ir->input_dev->evbit);
	set_bit(EV_REP, ir->input_dev->evbit);
	set_bit(EV_MSC, ir->input_dev->evbit);

	set_bit(MSC_RAW, ir->input_dev->mscbit);
	set_bit(MSC_SCAN, ir->input_dev->mscbit);

	memset(ir->input_dev->keybit, 0, sizeof(ir->input_dev->keybit));

	for (i = 0; i < ARRAY_SIZE(ir->key_map); i++) {
		if (ir->key_map[i] > KEY_MAX)
			ir->key_map[i] = 0;
		else if (ir->key_map[i] > KEY_RESERVED)
			set_bit(ir->key_map[i], ir->input_dev->keybit);
	}

	ir->input_dev->keycode = ir->key_map;
	ir->input_dev->keycodesize = sizeof(ir->key_map[0]);
	ir->input_dev->keycodemax = ARRAY_SIZE(ir->key_map);
}


/* called by the input driver after rep[REP_DELAY] ms */
static void input_repeat_key(unsigned long parm)
{
	struct infrared *ir = (struct infrared *) parm;

	ir->delay_timer_finished = 1;
}


/* check for configuration changes */
int av7110_check_ir_config(struct av7110 *av7110, int force)
{
	int i;
	int modified = force;
	int ret = -ENODEV;

	for (i = 0; i < av_cnt; i++)
		if (av7110 == av_list[i])
			break;

	if (i < av_cnt && av7110) {
		if ((av7110->ir.protocol & 1) != ir_protocol[i] ||
		    av7110->ir.inversion != ir_inversion[i])
			modified = true;

		if (modified) {
			/* protocol */
			if (ir_protocol[i]) {
				ir_protocol[i] = 1;
				av7110->ir.protocol = IR_RCMM;
				av7110->ir.ir_config = 0x0001;
			} else if (FW_VERSION(av7110->arm_app) >= 0x2620) {
				av7110->ir.protocol = IR_RC5_EXT;
				av7110->ir.ir_config = 0x0002;
			} else {
				av7110->ir.protocol = IR_RC5;
				av7110->ir.ir_config = 0x0000;
			}
			/* inversion */
			if (ir_inversion[i]) {
				ir_inversion[i] = 1;
				av7110->ir.ir_config |= 0x8000;
			}
			av7110->ir.inversion = ir_inversion[i];
			/* update ARM */
			ret = av7110_fw_cmd(av7110, COMTYPE_PIDFILTER, SetIR, 1,
						av7110->ir.ir_config);
		} else
			ret = 0;

		/* address */
		if (av7110->ir.device_mask != ir_device_mask[i])
			av7110->ir.device_mask = ir_device_mask[i];
	}

	return ret;
}


/* /proc/av7110_ir interface */
static ssize_t av7110_ir_proc_write(struct file *file, const char __user *buffer,
				    size_t count, loff_t *pos)
{
	char *page;
	u32 ir_config;
	int size = sizeof ir_config + sizeof av_list[0]->ir.key_map;
	int i;

	if (count < size)
		return -EINVAL;

	page = vmalloc(size);
	if (!page)
		return -ENOMEM;

	if (copy_from_user(page, buffer, size)) {
		vfree(page);
		return -EFAULT;
	}

	memcpy(&ir_config, page, sizeof ir_config);

	for (i = 0; i < av_cnt; i++) {
		/* keymap */
		memcpy(av_list[i]->ir.key_map, page + sizeof ir_config,
			sizeof(av_list[i]->ir.key_map));
		/* protocol, inversion, address */
		ir_protocol[i] = ir_config & 0x0001;
		ir_inversion[i] = ir_config & 0x8000 ? 1 : 0;
		if (ir_config & 0x4000)
			ir_device_mask[i] = 1 << ((ir_config >> 16) & 0x1f);
		else
			ir_device_mask[i] = IR_ALL;
		/* update configuration */
		av7110_check_ir_config(av_list[i], false);
		input_register_keys(&av_list[i]->ir);
	}
	vfree(page);
	return count;
}

static const struct file_operations av7110_ir_proc_fops = {
	.owner		= THIS_MODULE,
	.write		= av7110_ir_proc_write,
	.llseek		= noop_llseek,
};

/* interrupt handler */
static void ir_handler(struct av7110 *av7110, u32 ircom)
{
	dprintk(4, "ir command = %08x\n", ircom);
	av7110->ir.ir_command = ircom;
	tasklet_schedule(&av7110->ir.ir_tasklet);
}


int av7110_ir_init(struct av7110 *av7110)
{
	struct input_dev *input_dev;
	static struct proc_dir_entry *e;
	int err;

	if (av_cnt >= ARRAY_SIZE(av_list))
		return -ENOSPC;

	av_list[av_cnt++] = av7110;
	av7110_check_ir_config(av7110, true);

	init_timer(&av7110->ir.keyup_timer);
	av7110->ir.keyup_timer.function = av7110_emit_keyup;
	av7110->ir.keyup_timer.data = (unsigned long) &av7110->ir;

	input_dev = input_allocate_device();
	if (!input_dev)
		return -ENOMEM;

	av7110->ir.input_dev = input_dev;
	snprintf(av7110->ir.input_phys, sizeof(av7110->ir.input_phys),
		"pci-%s/ir0", pci_name(av7110->dev->pci));

	input_dev->name = "DVB on-card IR receiver";

	input_dev->phys = av7110->ir.input_phys;
	input_dev->id.bustype = BUS_PCI;
	input_dev->id.version = 2;
	if (av7110->dev->pci->subsystem_vendor) {
		input_dev->id.vendor = av7110->dev->pci->subsystem_vendor;
		input_dev->id.product = av7110->dev->pci->subsystem_device;
	} else {
		input_dev->id.vendor = av7110->dev->pci->vendor;
		input_dev->id.product = av7110->dev->pci->device;
	}
	input_dev->dev.parent = &av7110->dev->pci->dev;
	/* initial keymap */
	memcpy(av7110->ir.key_map, default_key_map, sizeof av7110->ir.key_map);
	input_register_keys(&av7110->ir);
	err = input_register_device(input_dev);
	if (err) {
		input_free_device(input_dev);
		return err;
	}
	input_dev->timer.function = input_repeat_key;
	input_dev->timer.data = (unsigned long) &av7110->ir;

	if (av_cnt == 1) {
		e = proc_create("av7110_ir", S_IWUSR, NULL, &av7110_ir_proc_fops);
		if (e)
			proc_set_size(e, 4 + 256 * sizeof(u16));
	}

	tasklet_init(&av7110->ir.ir_tasklet, av7110_emit_key, (unsigned long) &av7110->ir);
	av7110->ir.ir_handler = ir_handler;

	return 0;
}


void av7110_ir_exit(struct av7110 *av7110)
{
	int i;

	if (av_cnt == 0)
		return;

	del_timer_sync(&av7110->ir.keyup_timer);
	av7110->ir.ir_handler = NULL;
	tasklet_kill(&av7110->ir.ir_tasklet);

	for (i = 0; i < av_cnt; i++)
		if (av_list[i] == av7110) {
			av_list[i] = av_list[av_cnt-1];
			av_list[av_cnt-1] = NULL;
			break;
		}

	if (av_cnt == 1)
		remove_proc_entry("av7110_ir", NULL);

	input_unregister_device(av7110->ir.input_dev);

	av_cnt--;
}

//MODULE_AUTHOR("Holger Waechtler <holger@convergence.de>, Oliver Endriss <o.endriss@gmx.de>");
//MODULE_LICENSE("GPL");
Commit	Line	Data
ee820a64 OE	1	/*
	2	* Driver for the remote control of SAA7146 based AV7110 cards
	3	*
	4	* Copyright (C) 1999-2003 Holger Waechtler <holger@convergence.de>
	5	* Copyright (C) 2003-2007 Oliver Endriss <o.endriss@gmx.de>
	6	*
	7	* This program is free software; you can redistribute it and/or
	8	* modify it under the terms of the GNU General Public License
	9	* as published by the Free Software Foundation; either version 2
	10	* of the License, or (at your option) any later version.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
	20	* Or, point your browser to http://www.gnu.org/copyleft/gpl.html
	21	*
	22	*/
	23
	24
1da177e4 LT	25	#include <linux/types.h>
	26	#include <linux/init.h>
	27	#include <linux/module.h>
1da177e4	28	#include <linux/proc_fs.h>
0496daa7	29	#include <linux/kernel.h>
1977f032	30	#include <linux/bitops.h>
1da177e4 LT	31
1da177e4 LT	32	#include "av7110.h"
03388ae3	33	#include "av7110_hw.h"
1da177e4	34
1da177e4	35
ee820a64 OE	36	#define AV_CNT 4
	37
	38	#define IR_RC5 0
	39	#define IR_RCMM 1
	40	#define IR_RC5_EXT 2 /* internal only */
	41
	42	#define IR_ALL 0xffffffff
	43
	44	#define UP_TIMEOUT (HZ*7/25)
	45
	46
	47	/* Note: enable ir debugging by or'ing debug with 16 */
	48
	49	static int ir_protocol[AV_CNT] = { IR_RCMM, IR_RCMM, IR_RCMM, IR_RCMM};
	50	module_param_array(ir_protocol, int, NULL, 0644);
	51	MODULE_PARM_DESC(ir_protocol, "Infrared protocol: 0 RC5, 1 RCMM (default)");
	52
	53	static int ir_inversion[AV_CNT];
	54	module_param_array(ir_inversion, int, NULL, 0644);
	55	MODULE_PARM_DESC(ir_inversion, "Inversion of infrared signal: 0 not inverted (default), 1 inverted");
	56
	57	static uint ir_device_mask[AV_CNT] = { IR_ALL, IR_ALL, IR_ALL, IR_ALL };
	58	module_param_array(ir_device_mask, uint, NULL, 0644);
	59	MODULE_PARM_DESC(ir_device_mask, "Bitmask of infrared devices: bit 0..31 = device 0..31 (default: all)");
1da177e4	60
1da177e4	61
ee820a64 OE	62	static int av_cnt;
ee820a64 OE	63	static struct av7110 *av_list[AV_CNT];
26a0f5db	64
ee820a64	65	static u16 default_key_map [256] = {
1da177e4 LT	66	KEY_0, KEY_1, KEY_2, KEY_3, KEY_4, KEY_5, KEY_6, KEY_7,
	67	KEY_8, KEY_9, KEY_BACK, 0, KEY_POWER, KEY_MUTE, 0, KEY_INFO,
	68	KEY_VOLUMEUP, KEY_VOLUMEDOWN, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	69	KEY_CHANNELUP, KEY_CHANNELDOWN, 0, 0, 0, 0, 0, 0,
	70	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	71	0, 0, 0, 0, KEY_TEXT, 0, 0, KEY_TV, 0, 0, 0, 0, 0, KEY_SETUP, 0, 0,
	72	0, 0, 0, KEY_SUBTITLE, 0, 0, KEY_LANGUAGE, 0,
	73	KEY_RADIO, 0, 0, 0, 0, KEY_EXIT, 0, 0,
	74	KEY_UP, KEY_DOWN, KEY_LEFT, KEY_RIGHT, KEY_OK, 0, 0, 0,
	75	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, KEY_RED, KEY_GREEN, KEY_YELLOW,
	76	KEY_BLUE, 0, 0, 0, 0, 0, 0, 0, KEY_MENU, KEY_LIST, 0, 0, 0, 0, 0, 0,
	77	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	78	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	79	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	80	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	81	0, 0, 0, 0, KEY_UP, KEY_UP, KEY_DOWN, KEY_DOWN,
	82	0, 0, 0, 0, KEY_EPG, 0, 0, 0,
	83	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	84	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	85	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, KEY_VCR
	86	};
	87
	88
ee820a64 OE	89	/* key-up timer */
ee820a64 OE	90	static void av7110_emit_keyup(unsigned long parm)
1da177e4	91	{
ee820a64 OE	92	struct infrared ir = (struct infrared ) parm;
	93
	94	if (!ir \|\| !test_bit(ir->last_key, ir->input_dev->key))
1da177e4 LT	95	return;
1da177e4 LT	96
ee820a64 OE	97	input_report_key(ir->input_dev, ir->last_key, 0);
ee820a64 OE	98	input_sync(ir->input_dev);
1da177e4 LT	99	}
	100
	101
ee820a64	102	/* tasklet */
03388ae3	103	static void av7110_emit_key(unsigned long parm)
1da177e4	104	{
ee820a64 OE	105	struct infrared ir = (struct infrared ) parm;
ee820a64 OE	106	u32 ircom = ir->ir_command;
1da177e4 LT	107	u8 data;
1da177e4 LT	108	u8 addr;
ee820a64	109	u16 toggle;
1da177e4 LT	110	u16 keycode;
	111
	112	/* extract device address and data */
ee820a64 OE	113	switch (ir->protocol) {
ee820a64 OE	114	case IR_RC5: /* RC5: 5 bits device address, 6 bits data */
03388ae3 OE	115	data = ircom & 0x3f;
03388ae3 OE	116	addr = (ircom >> 6) & 0x1f;
ee820a64	117	toggle = ircom & 0x0800;
03388ae3 OE	118	break;
03388ae3 OE	119
ee820a64	120	case IR_RCMM: /* RCMM: ? bits device address, ? bits data */
1da177e4	121	data = ircom & 0xff;
ee820a64 OE	122	addr = (ircom >> 8) & 0x1f;
ee820a64 OE	123	toggle = ircom & 0x8000;
03388ae3 OE	124	break;
03388ae3 OE	125
ee820a64	126	case IR_RC5_EXT: /* extended RC5: 5 bits device address, 7 bits data */
1da177e4 LT	127	data = ircom & 0x3f;
1da177e4 LT	128	addr = (ircom >> 6) & 0x1f;
03388ae3 OE	129	/* invert 7th data bit for backward compatibility with RC5 keymaps */
	130	if (!(ircom & 0x1000))
	131	data \|= 0x40;
ee820a64	132	toggle = ircom & 0x0800;
03388ae3 OE	133	break;
	134
	135	default:
3ca7fc84	136	printk("%s invalid protocol %x\n", __func__, ir->protocol);
03388ae3	137	return;
1da177e4 LT	138	}
1da177e4 LT	139
ac52ea3c OE	140	input_event(ir->input_dev, EV_MSC, MSC_RAW, (addr << 16) \| data);
	141	input_event(ir->input_dev, EV_MSC, MSC_SCAN, data);
	142
ee820a64	143	keycode = ir->key_map[data];
1da177e4	144
ee820a64	145	dprintk(16, "%s: code %08x -> addr %i data 0x%02x -> keycode %i\n",
3ca7fc84	146	__func__, ircom, addr, data, keycode);
1da177e4	147
ee820a64 OE	148	/* check device address */
	149	if (!(ir->device_mask & (1 << addr)))
	150	return;
1da177e4 LT	151
1da177e4 LT	152	if (!keycode) {
ee820a64	153	printk ("%s: code %08x -> addr %i data 0x%02x -> unknown key!\n",
3ca7fc84	154	__func__, ircom, addr, data);
1da177e4 LT	155	return;
	156	}
	157
ee820a64 OE	158	if (timer_pending(&ir->keyup_timer)) {
	159	del_timer(&ir->keyup_timer);
	160	if (ir->last_key != keycode \|\| toggle != ir->last_toggle) {
	161	ir->delay_timer_finished = 0;
	162	input_event(ir->input_dev, EV_KEY, ir->last_key, 0);
	163	input_event(ir->input_dev, EV_KEY, keycode, 1);
	164	input_sync(ir->input_dev);
	165	} else if (ir->delay_timer_finished) {
	166	input_event(ir->input_dev, EV_KEY, keycode, 2);
	167	input_sync(ir->input_dev);
b07b4783	168	}
26a0f5db	169	} else {
ee820a64 OE	170	ir->delay_timer_finished = 0;
	171	input_event(ir->input_dev, EV_KEY, keycode, 1);
	172	input_sync(ir->input_dev);
26a0f5db	173	}
1da177e4	174
ee820a64 OE	175	ir->last_key = keycode;
ee820a64 OE	176	ir->last_toggle = toggle;
1da177e4	177
ee820a64 OE	178	ir->keyup_timer.expires = jiffies + UP_TIMEOUT;
ee820a64 OE	179	add_timer(&ir->keyup_timer);
1da177e4	180
1da177e4 LT	181	}
1da177e4 LT	182
ee820a64 OE	183
	184	/* register with input layer */
	185	static void input_register_keys(struct infrared *ir)
1da177e4 LT	186	{
	187	int i;
	188
ee820a64 OE	189	set_bit(EV_KEY, ir->input_dev->evbit);
ee820a64 OE	190	set_bit(EV_REP, ir->input_dev->evbit);
ac52ea3c OE	191	set_bit(EV_MSC, ir->input_dev->evbit);
	192
	193	set_bit(MSC_RAW, ir->input_dev->mscbit);
	194	set_bit(MSC_SCAN, ir->input_dev->mscbit);
1da177e4	195
ee820a64 OE	196	memset(ir->input_dev->keybit, 0, sizeof(ir->input_dev->keybit));
	197
	198	for (i = 0; i < ARRAY_SIZE(ir->key_map); i++) {
	199	if (ir->key_map[i] > KEY_MAX)
	200	ir->key_map[i] = 0;
	201	else if (ir->key_map[i] > KEY_RESERVED)
	202	set_bit(ir->key_map[i], ir->input_dev->keybit);
1da177e4	203	}
ee820a64 OE	204
	205	ir->input_dev->keycode = ir->key_map;
	206	ir->input_dev->keycodesize = sizeof(ir->key_map[0]);
	207	ir->input_dev->keycodemax = ARRAY_SIZE(ir->key_map);
1da177e4 LT	208	}
	209
	210
ee820a64 OE	211	/* called by the input driver after rep[REP_DELAY] ms */
ee820a64 OE	212	static void input_repeat_key(unsigned long parm)
1da177e4	213	{
ee820a64 OE	214	struct infrared ir = (struct infrared ) parm;
	215
	216	ir->delay_timer_finished = 1;
1da177e4 LT	217	}
	218
	219
ee820a64 OE	220	/* check for configuration changes */
ee820a64 OE	221	int av7110_check_ir_config(struct av7110 *av7110, int force)
a22a6865	222	{
ee820a64 OE	223	int i;
	224	int modified = force;
	225	int ret = -ENODEV;
a22a6865	226
ee820a64 OE	227	for (i = 0; i < av_cnt; i++)
	228	if (av7110 == av_list[i])
	229	break;
	230
	231	if (i < av_cnt && av7110) {
	232	if ((av7110->ir.protocol & 1) != ir_protocol[i] \|\|
	233	av7110->ir.inversion != ir_inversion[i])
	234	modified = true;
	235
	236	if (modified) {
	237	/* protocol */
	238	if (ir_protocol[i]) {
	239	ir_protocol[i] = 1;
	240	av7110->ir.protocol = IR_RCMM;
	241	av7110->ir.ir_config = 0x0001;
	242	} else if (FW_VERSION(av7110->arm_app) >= 0x2620) {
	243	av7110->ir.protocol = IR_RC5_EXT;
	244	av7110->ir.ir_config = 0x0002;
	245	} else {
	246	av7110->ir.protocol = IR_RC5;
	247	av7110->ir.ir_config = 0x0000;
	248	}
	249	/* inversion */
	250	if (ir_inversion[i]) {
	251	ir_inversion[i] = 1;
	252	av7110->ir.ir_config \|= 0x8000;
	253	}
	254	av7110->ir.inversion = ir_inversion[i];
	255	/* update ARM */
	256	ret = av7110_fw_cmd(av7110, COMTYPE_PIDFILTER, SetIR, 1,
	257	av7110->ir.ir_config);
	258	} else
	259	ret = 0;
	260
	261	/* address */
	262	if (av7110->ir.device_mask != ir_device_mask[i])
	263	av7110->ir.device_mask = ir_device_mask[i];
a22a6865	264	}
ee820a64	265
a22a6865 AB	266	return ret;
	267	}
	268
	269
ee820a64	270	/* /proc/av7110_ir interface */
e0572325 AD	271	static ssize_t av7110_ir_proc_write(struct file file, const char __user buffer,
e0572325 AD	272	size_t count, loff_t *pos)
1da177e4 LT	273	{
1da177e4 LT	274	char *page;
03388ae3	275	u32 ir_config;
ee820a64	276	int size = sizeof ir_config + sizeof av_list[0]->ir.key_map;
03388ae3	277	int i;
1da177e4 LT	278
	279	if (count < size)
	280	return -EINVAL;
	281
d9bf2c03	282	page = vmalloc(size);
1da177e4 LT	283	if (!page)
	284	return -ENOMEM;
	285
	286	if (copy_from_user(page, buffer, size)) {
	287	vfree(page);
	288	return -EFAULT;
	289	}
	290
ee820a64 OE	291	memcpy(&ir_config, page, sizeof ir_config);
	292
	293	for (i = 0; i < av_cnt; i++) {
	294	/* keymap */
	295	memcpy(av_list[i]->ir.key_map, page + sizeof ir_config,
	296	sizeof(av_list[i]->ir.key_map));
	297	/* protocol, inversion, address */
	298	ir_protocol[i] = ir_config & 0x0001;
	299	ir_inversion[i] = ir_config & 0x8000 ? 1 : 0;
	300	if (ir_config & 0x4000)
	301	ir_device_mask[i] = 1 << ((ir_config >> 16) & 0x1f);
	302	else
	303	ir_device_mask[i] = IR_ALL;
	304	/* update configuration */
	305	av7110_check_ir_config(av_list[i], false);
	306	input_register_keys(&av_list[i]->ir);
	307	}
1da177e4	308	vfree(page);
1da177e4 LT	309	return count;
	310	}
	311
e0572325 AD	312	static const struct file_operations av7110_ir_proc_fops = {
	313	.owner = THIS_MODULE,
	314	.write = av7110_ir_proc_write,
6038f373	315	.llseek = noop_llseek,
e0572325	316	};
1da177e4	317
ee820a64	318	/* interrupt handler */
03388ae3 OE	319	static void ir_handler(struct av7110 *av7110, u32 ircom)
03388ae3 OE	320	{
ee820a64 OE	321	dprintk(4, "ir command = %08x\n", ircom);
	322	av7110->ir.ir_command = ircom;
	323	tasklet_schedule(&av7110->ir.ir_tasklet);
03388ae3	324	}
1da177e4	325
1da177e4	326
4c62e976	327	int av7110_ir_init(struct av7110 *av7110)
03388ae3	328	{
ee820a64	329	struct input_dev *input_dev;
03388ae3	330	static struct proc_dir_entry *e;
b07b4783	331	int err;
1da177e4	332
0496daa7	333	if (av_cnt >= ARRAY_SIZE(av_list))
03388ae3	334	return -ENOSPC;
1da177e4	335
03388ae3	336	av_list[av_cnt++] = av7110;
1b245768	337	av7110_check_ir_config(av7110, true);
1da177e4	338
ee820a64 OE	339	init_timer(&av7110->ir.keyup_timer);
	340	av7110->ir.keyup_timer.function = av7110_emit_keyup;
	341	av7110->ir.keyup_timer.data = (unsigned long) &av7110->ir;
	342
	343	input_dev = input_allocate_device();
	344	if (!input_dev)
	345	return -ENOMEM;
	346
	347	av7110->ir.input_dev = input_dev;
	348	snprintf(av7110->ir.input_phys, sizeof(av7110->ir.input_phys),
	349	"pci-%s/ir0", pci_name(av7110->dev->pci));
03388ae3	350
ee820a64 OE	351	input_dev->name = "DVB on-card IR receiver";
	352
	353	input_dev->phys = av7110->ir.input_phys;
	354	input_dev->id.bustype = BUS_PCI;
	355	input_dev->id.version = 2;
	356	if (av7110->dev->pci->subsystem_vendor) {
	357	input_dev->id.vendor = av7110->dev->pci->subsystem_vendor;
	358	input_dev->id.product = av7110->dev->pci->subsystem_device;
	359	} else {
	360	input_dev->id.vendor = av7110->dev->pci->vendor;
	361	input_dev->id.product = av7110->dev->pci->device;
	362	}
2c8a3a33	363	input_dev->dev.parent = &av7110->dev->pci->dev;
ee820a64 OE	364	/* initial keymap */
	365	memcpy(av7110->ir.key_map, default_key_map, sizeof av7110->ir.key_map);
	366	input_register_keys(&av7110->ir);
	367	err = input_register_device(input_dev);
	368	if (err) {
	369	input_free_device(input_dev);
	370	return err;
	371	}
	372	input_dev->timer.function = input_repeat_key;
	373	input_dev->timer.data = (unsigned long) &av7110->ir;
	374
	375	if (av_cnt == 1) {
e0572325 AD	376	e = proc_create("av7110_ir", S_IWUSR, NULL, &av7110_ir_proc_fops);
e0572325 AD	377	if (e)
271a15ea	378	proc_set_size(e, 4 + 256 * sizeof(u16));
1da177e4 LT	379	}
1da177e4 LT	380
ee820a64 OE	381	tasklet_init(&av7110->ir.ir_tasklet, av7110_emit_key, (unsigned long) &av7110->ir);
ee820a64 OE	382	av7110->ir.ir_handler = ir_handler;
03388ae3	383
1da177e4 LT	384	return 0;
	385	}
	386
	387
4c62e976	388	void av7110_ir_exit(struct av7110 *av7110)
1da177e4	389	{
03388ae3 OE	390	int i;
	391
	392	if (av_cnt == 0)
1da177e4	393	return;
03388ae3	394
ee820a64 OE	395	del_timer_sync(&av7110->ir.keyup_timer);
	396	av7110->ir.ir_handler = NULL;
	397	tasklet_kill(&av7110->ir.ir_tasklet);
	398
03388ae3 OE	399	for (i = 0; i < av_cnt; i++)
	400	if (av_list[i] == av7110) {
	401	av_list[i] = av_list[av_cnt-1];
	402	av_list[av_cnt-1] = NULL;
	403	break;
	404	}
	405
ee820a64	406	if (av_cnt == 1)
03388ae3	407	remove_proc_entry("av7110_ir", NULL);
ee820a64 OE	408
ee820a64 OE	409	input_unregister_device(av7110->ir.input_dev);
03388ae3 OE	410
03388ae3 OE	411	av_cnt--;
1da177e4 LT	412	}
1da177e4 LT	413
ee820a64	414	//MODULE_AUTHOR("Holger Waechtler <holger@convergence.de>, Oliver Endriss <o.endriss@gmx.de>");
1da177e4	415	//MODULE_LICENSE("GPL");