[linux-2.6-block.git] / drivers / media / video / cx88 / cx88-input.c

/*
 *
 * Device driver for GPIO attached remote control interfaces
 * on Conexant 2388x based TV/DVB cards.
 *
 * Copyright (c) 2003 Pavel Machek
 * Copyright (c) 2004 Gerd Knorr
 * Copyright (c) 2004 Chris Pascoe
 *
 * 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/init.h>
#include <linux/delay.h>
#include <linux/input.h>
#include <linux/pci.h>
#include <linux/module.h>
#include <linux/moduleparam.h>

#include <media/ir-common.h>

#include "cx88.h"

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

/* DigitalNow DNTV Live DVB-T Remote */
static IR_KEYTAB_TYPE ir_codes_dntv_live_dvb_t[IR_KEYTAB_SIZE] = {
	[0x00] = KEY_ESC,		/* 'go up a level?' */
	/* Keys 0 to 9 */
	[0x0a] = KEY_KP0,
	[0x01] = KEY_KP1,
	[0x02] = KEY_KP2,
	[0x03] = KEY_KP3,
	[0x04] = KEY_KP4,
	[0x05] = KEY_KP5,
	[0x06] = KEY_KP6,
	[0x07] = KEY_KP7,
	[0x08] = KEY_KP8,
	[0x09] = KEY_KP9,

	[0x0b] = KEY_TUNER,		/* tv/fm */
	[0x0c] = KEY_SEARCH,		/* scan */
	[0x0d] = KEY_STOP,
	[0x0e] = KEY_PAUSE,
	[0x0f] = KEY_LIST,		/* source */

	[0x10] = KEY_MUTE,
	[0x11] = KEY_REWIND,		/* backward << */
	[0x12] = KEY_POWER,
	[0x13] = KEY_S,			/* snap */
	[0x14] = KEY_AUDIO,		/* stereo */
	[0x15] = KEY_CLEAR,		/* reset */
	[0x16] = KEY_PLAY,
	[0x17] = KEY_ENTER,
	[0x18] = KEY_ZOOM,		/* full screen */
	[0x19] = KEY_FASTFORWARD,	/* forward >> */
	[0x1a] = KEY_CHANNELUP,
	[0x1b] = KEY_VOLUMEUP,
	[0x1c] = KEY_INFO,		/* preview */
	[0x1d] = KEY_RECORD,		/* record */
	[0x1e] = KEY_CHANNELDOWN,
	[0x1f] = KEY_VOLUMEDOWN,
};

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

/* IO-DATA BCTV7E Remote */
static IR_KEYTAB_TYPE ir_codes_iodata_bctv7e[IR_KEYTAB_SIZE] = {
	[0x40] = KEY_TV,
	[0x20] = KEY_RADIO,		/* FM */
	[0x60] = KEY_EPG,
	[0x00] = KEY_POWER,

	/* Keys 0 to 9 */
	[0x44] = KEY_KP0,		/* 10 */
	[0x50] = KEY_KP1,
	[0x30] = KEY_KP2,
	[0x70] = KEY_KP3,
	[0x48] = KEY_KP4,
	[0x28] = KEY_KP5,
	[0x68] = KEY_KP6,
	[0x58] = KEY_KP7,
	[0x38] = KEY_KP8,
	[0x78] = KEY_KP9,

	[0x10] = KEY_L,			/* Live */
	[0x08] = KEY_T,			/* Time Shift */

	[0x18] = KEY_PLAYPAUSE,		/* Play */

	[0x24] = KEY_ENTER,		/* 11 */
	[0x64] = KEY_ESC,		/* 12 */
	[0x04] = KEY_M,			/* Multi */

	[0x54] = KEY_VIDEO,
	[0x34] = KEY_CHANNELUP,
	[0x74] = KEY_VOLUMEUP,
	[0x14] = KEY_MUTE,

	[0x4c] = KEY_S,			/* SVIDEO */
	[0x2c] = KEY_CHANNELDOWN,
	[0x6c] = KEY_VOLUMEDOWN,
	[0x0c] = KEY_ZOOM,

	[0x5c] = KEY_PAUSE,
	[0x3c] = KEY_C,			/* || (red) */
	[0x7c] = KEY_RECORD,		/* recording */
	[0x1c] = KEY_STOP,

	[0x41] = KEY_REWIND,		/* backward << */
	[0x21] = KEY_PLAY,
	[0x61] = KEY_FASTFORWARD,	/* forward >> */
	[0x01] = KEY_NEXT,		/* skip >| */
};

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

/* ADS Tech Instant TV DVB-T PCI Remote */
static IR_KEYTAB_TYPE ir_codes_adstech_dvb_t_pci[IR_KEYTAB_SIZE] = {
	/* Keys 0 to 9 */
	[0x4d] = KEY_0,
	[0x57] = KEY_1,
	[0x4f] = KEY_2,
	[0x53] = KEY_3,
	[0x56] = KEY_4,
	[0x4e] = KEY_5,
	[0x5e] = KEY_6,
	[0x54] = KEY_7,
	[0x4c] = KEY_8,
	[0x5c] = KEY_9,

	[0x5b] = KEY_POWER,
	[0x5f] = KEY_MUTE,
	[0x55] = KEY_GOTO,
	[0x5d] = KEY_SEARCH,
	[0x17] = KEY_EPG,		/* Guide */
	[0x1f] = KEY_MENU,
	[0x0f] = KEY_UP,
	[0x46] = KEY_DOWN,
	[0x16] = KEY_LEFT,
	[0x1e] = KEY_RIGHT,
	[0x0e] = KEY_SELECT,		/* Enter */
	[0x5a] = KEY_INFO,
	[0x52] = KEY_EXIT,
	[0x59] = KEY_PREVIOUS,
	[0x51] = KEY_NEXT,
	[0x58] = KEY_REWIND,
	[0x50] = KEY_FORWARD,
	[0x44] = KEY_PLAYPAUSE,
	[0x07] = KEY_STOP,
	[0x1b] = KEY_RECORD,
	[0x13] = KEY_TUNER,		/* Live */
	[0x0a] = KEY_A,
	[0x12] = KEY_B,
	[0x03] = KEY_PROG1,		/* 1 */
	[0x01] = KEY_PROG2,		/* 2 */
	[0x00] = KEY_PROG3,		/* 3 */
	[0x06] = KEY_DVD,
	[0x48] = KEY_AUX,		/* Photo */
	[0x40] = KEY_VIDEO,
	[0x19] = KEY_AUDIO,		/* Music */
	[0x0b] = KEY_CHANNELUP,
	[0x08] = KEY_CHANNELDOWN,
	[0x15] = KEY_VOLUMEUP,
	[0x1c] = KEY_VOLUMEDOWN,
};

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

/* MSI TV@nywhere remote */
static IR_KEYTAB_TYPE ir_codes_msi_tvanywhere[IR_KEYTAB_SIZE] = {
	/* Keys 0 to 9 */
	[0x00] = KEY_0,
	[0x01] = KEY_1,
	[0x02] = KEY_2,
	[0x03] = KEY_3,
	[0x04] = KEY_4,
	[0x05] = KEY_5,
	[0x06] = KEY_6,
	[0x07] = KEY_7,
	[0x08] = KEY_8,
	[0x09] = KEY_9,

	[0x0c] = KEY_MUTE,
	[0x0f] = KEY_SCREEN,		/* Full Screen */
	[0x10] = KEY_F,			/* Funtion */
	[0x11] = KEY_T,			/* Time shift */
	[0x12] = KEY_POWER,
	[0x13] = KEY_MEDIA,		/* MTS */
	[0x14] = KEY_SLOW,
	[0x16] = KEY_REWIND,		/* backward << */
	[0x17] = KEY_ENTER,		/* Return */
	[0x18] = KEY_FASTFORWARD,	/* forward >> */
	[0x1a] = KEY_CHANNELUP,
	[0x1b] = KEY_VOLUMEUP,
	[0x1e] = KEY_CHANNELDOWN,
	[0x1f] = KEY_VOLUMEDOWN,
};

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

/* Cinergy 1400 DVB-T */
static IR_KEYTAB_TYPE ir_codes_cinergy_1400[IR_KEYTAB_SIZE] = {
	[0x01] = KEY_POWER,
	[0x02] = KEY_1,
	[0x03] = KEY_2,
	[0x04] = KEY_3,
	[0x05] = KEY_4,
	[0x06] = KEY_5,
	[0x07] = KEY_6,
	[0x08] = KEY_7,
	[0x09] = KEY_8,
	[0x0a] = KEY_9,
	[0x0c] = KEY_0,

	[0x0b] = KEY_VIDEO,
	[0x0d] = KEY_REFRESH,
	[0x0e] = KEY_SELECT,
	[0x0f] = KEY_EPG,
	[0x10] = KEY_UP,
	[0x11] = KEY_LEFT,
	[0x12] = KEY_OK,
	[0x13] = KEY_RIGHT,
	[0x14] = KEY_DOWN,
	[0x15] = KEY_TEXT,
	[0x16] = KEY_INFO,

	[0x17] = KEY_RED,
	[0x18] = KEY_GREEN,
	[0x19] = KEY_YELLOW,
	[0x1a] = KEY_BLUE,

	[0x1b] = KEY_CHANNELUP,
	[0x1c] = KEY_VOLUMEUP,
	[0x1d] = KEY_MUTE,
	[0x1e] = KEY_VOLUMEDOWN,
	[0x1f] = KEY_CHANNELDOWN,

	[0x40] = KEY_PAUSE,
	[0x4c] = KEY_PLAY,
	[0x58] = KEY_RECORD,
	[0x54] = KEY_PREVIOUS,
	[0x48] = KEY_STOP,
	[0x5c] = KEY_NEXT,
};

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

struct cx88_IR {
	struct cx88_core *core;
	struct input_dev *input;
	struct ir_input_state ir;
	char name[32];
	char phys[32];

	/* sample from gpio pin 16 */
	int sampling;
	u32 samples[16];
	int scount;
	unsigned long release;

	/* poll external decoder */
	int polling;
	struct work_struct work;
	struct timer_list timer;
	u32 gpio_addr;
	u32 last_gpio;
	u32 mask_keycode;
	u32 mask_keydown;
	u32 mask_keyup;
};

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

#define ir_dprintk(fmt, arg...)	if (ir_debug) \
	printk(KERN_DEBUG "%s IR: " fmt , ir->core->name , ##arg)

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

static void cx88_ir_handle_key(struct cx88_IR *ir)
{
	struct cx88_core *core = ir->core;
	u32 gpio, data;

	/* read gpio value */
	gpio = cx_read(ir->gpio_addr);
	if (ir->polling) {
		if (ir->last_gpio == gpio)
			return;
		ir->last_gpio = gpio;
	}

	/* extract data */
	data = ir_extract_bits(gpio, ir->mask_keycode);
	ir_dprintk("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) {
		/* bit set on keydown */
		if (gpio & ir->mask_keydown) {
			ir_input_keydown(ir->input, &ir->ir, data, data);
		} else {
			ir_input_nokey(ir->input, &ir->ir);
		}

	} else if (ir->mask_keyup) {
		/* bit cleared on keydown */
		if (0 == (gpio & ir->mask_keyup)) {
			ir_input_keydown(ir->input, &ir->ir, data, data);
		} else {
			ir_input_nokey(ir->input, &ir->ir);
		}

	} else {
		/* can't distinguish keydown/up :-/ */
		ir_input_keydown(ir->input, &ir->ir, data, data);
		ir_input_nokey(ir->input, &ir->ir);
	}
}

static void ir_timer(unsigned long data)
{
	struct cx88_IR *ir = (struct cx88_IR *)data;

	schedule_work(&ir->work);
}

static void cx88_ir_work(void *data)
{
	struct cx88_IR *ir = data;
	unsigned long timeout;

	cx88_ir_handle_key(ir);
	timeout = jiffies + (ir->polling * HZ / 1000);
	mod_timer(&ir->timer, timeout);
}

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

int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci)
{
	struct cx88_IR *ir;
	struct input_dev *input_dev;
	IR_KEYTAB_TYPE *ir_codes = NULL;
	int ir_type = IR_TYPE_OTHER;

	ir = kzalloc(sizeof(*ir), GFP_KERNEL);
	input_dev = input_allocate_device();
	if (!ir || !input_dev) {
		kfree(ir);
		input_free_device(input_dev);
		return -ENOMEM;
	}

	ir->input = input_dev;

	/* detect & configure */
	switch (core->board) {
	case CX88_BOARD_DNTV_LIVE_DVB_T:
	case CX88_BOARD_KWORLD_DVB_T:
		ir_codes = ir_codes_dntv_live_dvb_t;
		ir->gpio_addr = MO_GP1_IO;
		ir->mask_keycode = 0x1f;
		ir->mask_keyup = 0x60;
		ir->polling = 50; /* ms */
		break;
	case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1:
		ir_codes = ir_codes_cinergy_1400;
		ir_type = IR_TYPE_PD;
		ir->sampling = 1;
		break;
	case CX88_BOARD_HAUPPAUGE:
	case CX88_BOARD_HAUPPAUGE_DVB_T1:
		ir_codes = ir_codes_hauppauge_new;
		ir_type = IR_TYPE_RC5;
		ir->sampling = 1;
		break;
	case CX88_BOARD_WINFAST2000XP_EXPERT:
		ir_codes = ir_codes_winfast;
		ir->gpio_addr = MO_GP0_IO;
		ir->mask_keycode = 0x8f8;
		ir->mask_keyup = 0x100;
		ir->polling = 1; /* ms */
		break;
	case CX88_BOARD_IODATA_GVBCTV7E:
		ir_codes = ir_codes_iodata_bctv7e;
		ir->gpio_addr = MO_GP0_IO;
		ir->mask_keycode = 0xfd;
		ir->mask_keydown = 0x02;
		ir->polling = 5; /* ms */
		break;
	case CX88_BOARD_PIXELVIEW_PLAYTV_ULTRA_PRO:
		ir_codes = ir_codes_pixelview;
		ir->gpio_addr = MO_GP1_IO;
		ir->mask_keycode = 0x1f;
		ir->mask_keyup = 0x80;
		ir->polling = 1; /* ms */
		break;
	case CX88_BOARD_ADSTECH_DVB_T_PCI:
		ir_codes = ir_codes_adstech_dvb_t_pci;
		ir->gpio_addr = MO_GP1_IO;
		ir->mask_keycode = 0xbf;
		ir->mask_keyup = 0x40;
		ir->polling = 50; /* ms */
		break;
	case CX88_BOARD_MSI_TVANYWHERE_MASTER:
		ir_codes = ir_codes_msi_tvanywhere;
		ir->gpio_addr = MO_GP1_IO;
		ir->mask_keycode = 0x1f;
		ir->mask_keyup = 0x40;
		ir->polling = 1; /* ms */
		break;
	}

	if (NULL == ir_codes) {
		kfree(ir);
		input_free_device(input_dev);
		return -ENODEV;
	}

	/* init input device */
	snprintf(ir->name, sizeof(ir->name), "cx88 IR (%s)",
		 cx88_boards[core->board].name);
	snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0", pci_name(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 (pci->subsystem_vendor) {
		input_dev->id.vendor = pci->subsystem_vendor;
		input_dev->id.product = pci->subsystem_device;
	} else {
		input_dev->id.vendor = pci->vendor;
		input_dev->id.product = pci->device;
	}
	input_dev->cdev.dev = &pci->dev;

	/* record handles to ourself */
	ir->core = core;
	core->ir = ir;

	if (ir->polling) {
		INIT_WORK(&ir->work, cx88_ir_work, ir);
		init_timer(&ir->timer);
		ir->timer.function = ir_timer;
		ir->timer.data = (unsigned long)ir;
		schedule_work(&ir->work);
	}
	if (ir->sampling) {
		core->pci_irqmask |= (1 << 18);	/* IR_SMP_INT */
		cx_write(MO_DDS_IO, 0xa80a80);	/* 4 kHz sample rate */
		cx_write(MO_DDSCFG_IO, 0x5);	/* enable */
	}

	/* all done */
	input_register_device(ir->input);

	return 0;
}

int cx88_ir_fini(struct cx88_core *core)
{
	struct cx88_IR *ir = core->ir;

	/* skip detach on non attached boards */
	if (NULL == ir)
		return 0;

	if (ir->polling) {
		del_timer(&ir->timer);
		flush_scheduled_work();
	}

	input_unregister_device(ir->input);
	kfree(ir);

	/* done */
	core->ir = NULL;
	return 0;
}

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

void cx88_ir_irq(struct cx88_core *core)
{
	struct cx88_IR *ir = core->ir;
	u32 samples, ircode;
	int i;

	if (NULL == ir)
		return;
	if (!ir->sampling)
		return;

	samples = cx_read(MO_SAMPLE_IO);
	if (0 != samples && 0xffffffff != samples) {
		/* record sample data */
		if (ir->scount < ARRAY_SIZE(ir->samples))
			ir->samples[ir->scount++] = samples;
		return;
	}
	if (!ir->scount) {
		/* nothing to sample */
		if (ir->ir.keypressed && time_after(jiffies, ir->release))
			ir_input_nokey(ir->input, &ir->ir);
		return;
	}

	/* have a complete sample */
	if (ir->scount < ARRAY_SIZE(ir->samples))
		ir->samples[ir->scount++] = samples;
	for (i = 0; i < ir->scount; i++)
		ir->samples[i] = ~ir->samples[i];
	if (ir_debug)
		ir_dump_samples(ir->samples, ir->scount);

	/* decode it */
	switch (core->board) {
	case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1:
		ircode = ir_decode_pulsedistance(ir->samples, ir->scount, 1, 4);

		if (ircode == 0xffffffff) { /* decoding error */
			ir_dprintk("pulse distance decoding error\n");
			break;
		}

		ir_dprintk("pulse distance decoded: %x\n", ircode);

		if (ircode == 0) { /* key still pressed */
			ir_dprintk("pulse distance decoded repeat code\n");
			ir->release = jiffies + msecs_to_jiffies(120);
			break;
		}

		if ((ircode & 0xffff) != 0xeb04) { /* wrong address */
			ir_dprintk("pulse distance decoded wrong address\n");
 			break;
		}

		if (((~ircode >> 24) & 0xff) != ((ircode >> 16) & 0xff)) { /* wrong checksum */
			ir_dprintk("pulse distance decoded wrong check sum\n");
			break;
		}

		ir_dprintk("Key Code: %x\n", (ircode >> 16) & 0x7f);

		ir_input_keydown(ir->input, &ir->ir, (ircode >> 16) & 0x7f, (ircode >> 16) & 0xff);
		ir->release = jiffies + msecs_to_jiffies(120);
		break;
	case CX88_BOARD_HAUPPAUGE:
	case CX88_BOARD_HAUPPAUGE_DVB_T1:
		ircode = ir_decode_biphase(ir->samples, ir->scount, 5, 7);
		ir_dprintk("biphase decoded: %x\n", ircode);
		if ((ircode & 0xfffff000) != 0x3000)
			break;
		ir_input_keydown(ir->input, &ir->ir, ircode & 0x3f, ircode);
		ir->release = jiffies + msecs_to_jiffies(120);
		break;
	}

	ir->scount = 0;
	return;
}

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

MODULE_AUTHOR("Gerd Knorr, Pavel Machek, Chris Pascoe");
MODULE_DESCRIPTION("input driver for cx88 GPIO-based IR remote controls");
MODULE_LICENSE("GPL");

/*
 * Local variables:
 * c-basic-offset: 8
 * End:
 */
Commit	Line	Data
1da177e4	1	/*
1da177e4 LT	2	*
	3	* Device driver for GPIO attached remote control interfaces
	4	* on Conexant 2388x based TV/DVB cards.
	5	*
	6	* Copyright (c) 2003 Pavel Machek
	7	* Copyright (c) 2004 Gerd Knorr
	8	* Copyright (c) 2004 Chris Pascoe
	9	*
	10	* This program is free software; you can redistribute it and/or modify
	11	* it under the terms of the GNU General Public License as published by
	12	* the Free Software Foundation; either version 2 of the License, or
	13	* (at your option) any later version.
	14	*
	15	* This program is distributed in the hope that it will be useful,
	16	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	17	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	18	* GNU General Public License for more details.
	19	*
	20	* You should have received a copy of the GNU General Public License
	21	* along with this program; if not, write to the Free Software
	22	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	23	*/
	24
	25	#include <linux/init.h>
	26	#include <linux/delay.h>
	27	#include <linux/input.h>
	28	#include <linux/pci.h>
	29	#include <linux/module.h>
	30	#include <linux/moduleparam.h>
	31
	32	#include <media/ir-common.h>
	33
	34	#include "cx88.h"
	35
	36	/* ---------------------------------------------------------------------- */
	37
	38	/* DigitalNow DNTV Live DVB-T Remote */
	39	static IR_KEYTAB_TYPE ir_codes_dntv_live_dvb_t[IR_KEYTAB_SIZE] = {
41ef7c1e MCC	40	[0x00] = KEY_ESC, /* 'go up a level?' */
	41	/* Keys 0 to 9 */
	42	[0x0a] = KEY_KP0,
	43	[0x01] = KEY_KP1,
	44	[0x02] = KEY_KP2,
	45	[0x03] = KEY_KP3,
	46	[0x04] = KEY_KP4,
	47	[0x05] = KEY_KP5,
	48	[0x06] = KEY_KP6,
	49	[0x07] = KEY_KP7,
	50	[0x08] = KEY_KP8,
	51	[0x09] = KEY_KP9,
	52
	53	[0x0b] = KEY_TUNER, /* tv/fm */
	54	[0x0c] = KEY_SEARCH, /* scan */
	55	[0x0d] = KEY_STOP,
	56	[0x0e] = KEY_PAUSE,
	57	[0x0f] = KEY_LIST, /* source */
	58
	59	[0x10] = KEY_MUTE,
	60	[0x11] = KEY_REWIND, /* backward << */
	61	[0x12] = KEY_POWER,
	62	[0x13] = KEY_S, /* snap */
	63	[0x14] = KEY_AUDIO, /* stereo */
	64	[0x15] = KEY_CLEAR, /* reset */
	65	[0x16] = KEY_PLAY,
	66	[0x17] = KEY_ENTER,
	67	[0x18] = KEY_ZOOM, /* full screen */
	68	[0x19] = KEY_FASTFORWARD, /* forward >> */
	69	[0x1a] = KEY_CHANNELUP,
	70	[0x1b] = KEY_VOLUMEUP,
	71	[0x1c] = KEY_INFO, /* preview */
	72	[0x1d] = KEY_RECORD, /* record */
	73	[0x1e] = KEY_CHANNELDOWN,
	74	[0x1f] = KEY_VOLUMEDOWN,
1da177e4 LT	75	};
	76
	77	/* ---------------------------------------------------------------------- */
	78
	79	/* IO-DATA BCTV7E Remote */
	80	static IR_KEYTAB_TYPE ir_codes_iodata_bctv7e[IR_KEYTAB_SIZE] = {
41ef7c1e MCC	81	[0x40] = KEY_TV,
	82	[0x20] = KEY_RADIO, /* FM */
	83	[0x60] = KEY_EPG,
	84	[0x00] = KEY_POWER,
	85
	86	/* Keys 0 to 9 */
	87	[0x44] = KEY_KP0, /* 10 */
	88	[0x50] = KEY_KP1,
	89	[0x30] = KEY_KP2,
	90	[0x70] = KEY_KP3,
	91	[0x48] = KEY_KP4,
	92	[0x28] = KEY_KP5,
	93	[0x68] = KEY_KP6,
	94	[0x58] = KEY_KP7,
	95	[0x38] = KEY_KP8,
	96	[0x78] = KEY_KP9,
	97
	98	[0x10] = KEY_L, /* Live */
	99	[0x08] = KEY_T, /* Time Shift */
	100
	101	[0x18] = KEY_PLAYPAUSE, /* Play */
	102
	103	[0x24] = KEY_ENTER, /* 11 */
	104	[0x64] = KEY_ESC, /* 12 */
	105	[0x04] = KEY_M, /* Multi */
	106
	107	[0x54] = KEY_VIDEO,
	108	[0x34] = KEY_CHANNELUP,
	109	[0x74] = KEY_VOLUMEUP,
	110	[0x14] = KEY_MUTE,
	111
	112	[0x4c] = KEY_S, /* SVIDEO */
	113	[0x2c] = KEY_CHANNELDOWN,
	114	[0x6c] = KEY_VOLUMEDOWN,
	115	[0x0c] = KEY_ZOOM,
	116
	117	[0x5c] = KEY_PAUSE,
	118	[0x3c] = KEY_C, /* \|\| (red) */
	119	[0x7c] = KEY_RECORD, /* recording */
	120	[0x1c] = KEY_STOP,
	121
	122	[0x41] = KEY_REWIND, /* backward << */
	123	[0x21] = KEY_PLAY,
	124	[0x61] = KEY_FASTFORWARD, /* forward >> */
	125	[0x01] = KEY_NEXT, /* skip >\| */
1da177e4 LT	126	};
	127
	128	/* ---------------------------------------------------------------------- */
	129
a82decf6 MCC	130	/* ADS Tech Instant TV DVB-T PCI Remote */
a82decf6 MCC	131	static IR_KEYTAB_TYPE ir_codes_adstech_dvb_t_pci[IR_KEYTAB_SIZE] = {
41ef7c1e MCC	132	/* Keys 0 to 9 */
	133	[0x4d] = KEY_0,
	134	[0x57] = KEY_1,
	135	[0x4f] = KEY_2,
	136	[0x53] = KEY_3,
	137	[0x56] = KEY_4,
	138	[0x4e] = KEY_5,
	139	[0x5e] = KEY_6,
	140	[0x54] = KEY_7,
	141	[0x4c] = KEY_8,
	142	[0x5c] = KEY_9,
	143
	144	[0x5b] = KEY_POWER,
	145	[0x5f] = KEY_MUTE,
	146	[0x55] = KEY_GOTO,
	147	[0x5d] = KEY_SEARCH,
	148	[0x17] = KEY_EPG, /* Guide */
	149	[0x1f] = KEY_MENU,
	150	[0x0f] = KEY_UP,
	151	[0x46] = KEY_DOWN,
	152	[0x16] = KEY_LEFT,
	153	[0x1e] = KEY_RIGHT,
	154	[0x0e] = KEY_SELECT, /* Enter */
	155	[0x5a] = KEY_INFO,
	156	[0x52] = KEY_EXIT,
	157	[0x59] = KEY_PREVIOUS,
	158	[0x51] = KEY_NEXT,
	159	[0x58] = KEY_REWIND,
	160	[0x50] = KEY_FORWARD,
	161	[0x44] = KEY_PLAYPAUSE,
	162	[0x07] = KEY_STOP,
	163	[0x1b] = KEY_RECORD,
	164	[0x13] = KEY_TUNER, /* Live */
	165	[0x0a] = KEY_A,
	166	[0x12] = KEY_B,
	167	[0x03] = KEY_PROG1, /* 1 */
	168	[0x01] = KEY_PROG2, /* 2 */
	169	[0x00] = KEY_PROG3, /* 3 */
	170	[0x06] = KEY_DVD,
	171	[0x48] = KEY_AUX, /* Photo */
	172	[0x40] = KEY_VIDEO,
	173	[0x19] = KEY_AUDIO, /* Music */
	174	[0x0b] = KEY_CHANNELUP,
	175	[0x08] = KEY_CHANNELDOWN,
	176	[0x15] = KEY_VOLUMEUP,
	177	[0x1c] = KEY_VOLUMEDOWN,
a82decf6 MCC	178	};
	179
	180	/* ---------------------------------------------------------------------- */
	181
	182	/* MSI TV@nywhere remote */
	183	static IR_KEYTAB_TYPE ir_codes_msi_tvanywhere[IR_KEYTAB_SIZE] = {
41ef7c1e MCC	184	/* Keys 0 to 9 */
	185	[0x00] = KEY_0,
	186	[0x01] = KEY_1,
	187	[0x02] = KEY_2,
	188	[0x03] = KEY_3,
	189	[0x04] = KEY_4,
	190	[0x05] = KEY_5,
	191	[0x06] = KEY_6,
	192	[0x07] = KEY_7,
	193	[0x08] = KEY_8,
	194	[0x09] = KEY_9,
	195
	196	[0x0c] = KEY_MUTE,
	197	[0x0f] = KEY_SCREEN, /* Full Screen */
	198	[0x10] = KEY_F, /* Funtion */
	199	[0x11] = KEY_T, /* Time shift */
	200	[0x12] = KEY_POWER,
	201	[0x13] = KEY_MEDIA, /* MTS */
	202	[0x14] = KEY_SLOW,
	203	[0x16] = KEY_REWIND, /* backward << */
	204	[0x17] = KEY_ENTER, /* Return */
	205	[0x18] = KEY_FASTFORWARD, /* forward >> */
	206	[0x1a] = KEY_CHANNELUP,
	207	[0x1b] = KEY_VOLUMEUP,
	208	[0x1e] = KEY_CHANNELDOWN,
	209	[0x1f] = KEY_VOLUMEDOWN,
a82decf6 MCC	210	};
	211
	212	/* ---------------------------------------------------------------------- */
	213
e52e98a7 MCC	214	/* Cinergy 1400 DVB-T */
	215	static IR_KEYTAB_TYPE ir_codes_cinergy_1400[IR_KEYTAB_SIZE] = {
	216	[0x01] = KEY_POWER,
	217	[0x02] = KEY_1,
	218	[0x03] = KEY_2,
	219	[0x04] = KEY_3,
	220	[0x05] = KEY_4,
	221	[0x06] = KEY_5,
	222	[0x07] = KEY_6,
	223	[0x08] = KEY_7,
	224	[0x09] = KEY_8,
	225	[0x0a] = KEY_9,
	226	[0x0c] = KEY_0,
	227
	228	[0x0b] = KEY_VIDEO,
	229	[0x0d] = KEY_REFRESH,
	230	[0x0e] = KEY_SELECT,
	231	[0x0f] = KEY_EPG,
	232	[0x10] = KEY_UP,
	233	[0x11] = KEY_LEFT,
	234	[0x12] = KEY_OK,
	235	[0x13] = KEY_RIGHT,
	236	[0x14] = KEY_DOWN,
	237	[0x15] = KEY_TEXT,
	238	[0x16] = KEY_INFO,
	239
	240	[0x17] = KEY_RED,
	241	[0x18] = KEY_GREEN,
	242	[0x19] = KEY_YELLOW,
	243	[0x1a] = KEY_BLUE,
	244
	245	[0x1b] = KEY_CHANNELUP,
	246	[0x1c] = KEY_VOLUMEUP,
	247	[0x1d] = KEY_MUTE,
	248	[0x1e] = KEY_VOLUMEDOWN,
	249	[0x1f] = KEY_CHANNELDOWN,
	250
	251	[0x40] = KEY_PAUSE,
	252	[0x4c] = KEY_PLAY,
	253	[0x58] = KEY_RECORD,
	254	[0x54] = KEY_PREVIOUS,
	255	[0x48] = KEY_STOP,
	256	[0x5c] = KEY_NEXT,
	257	};
	258
	259	/* ---------------------------------------------------------------------- */
	260
1da177e4	261	struct cx88_IR {
41ef7c1e	262	struct cx88_core *core;
b7df3910	263	struct input_dev *input;
41ef7c1e MCC	264	struct ir_input_state ir;
	265	char name[32];
	266	char phys[32];
1da177e4 LT	267
1da177e4 LT	268	/* sample from gpio pin 16 */
41ef7c1e MCC	269	int sampling;
	270	u32 samples[16];
	271	int scount;
	272	unsigned long release;
1da177e4 LT	273
1da177e4 LT	274	/* poll external decoder */
41ef7c1e MCC	275	int polling;
	276	struct work_struct work;
	277	struct timer_list timer;
	278	u32 gpio_addr;
	279	u32 last_gpio;
	280	u32 mask_keycode;
	281	u32 mask_keydown;
	282	u32 mask_keyup;
1da177e4 LT	283	};
	284
	285	static int ir_debug = 0;
41ef7c1e	286	module_param(ir_debug, int, 0644); /* debug level [IR] */
1da177e4 LT	287	MODULE_PARM_DESC(ir_debug, "enable debug messages [IR]");
	288
	289	#define ir_dprintk(fmt, arg...) if (ir_debug) \
e52e98a7	290	printk(KERN_DEBUG "%s IR: " fmt , ir->core->name , ##arg)
1da177e4 LT	291
	292	/* ---------------------------------------------------------------------- */
	293
	294	static void cx88_ir_handle_key(struct cx88_IR *ir)
	295	{
	296	struct cx88_core *core = ir->core;
	297	u32 gpio, data;
	298
	299	/* read gpio value */
	300	gpio = cx_read(ir->gpio_addr);
	301	if (ir->polling) {
	302	if (ir->last_gpio == gpio)
	303	return;
	304	ir->last_gpio = gpio;
	305	}
	306
	307	/* extract data */
	308	data = ir_extract_bits(gpio, ir->mask_keycode);
	309	ir_dprintk("irq gpio=0x%x code=%d \| %s%s%s\n",
41ef7c1e MCC	310	gpio, data,
	311	ir->polling ? "poll" : "irq",
	312	(gpio & ir->mask_keydown) ? " down" : "",
	313	(gpio & ir->mask_keyup) ? " up" : "");
1da177e4 LT	314
	315	if (ir->mask_keydown) {
	316	/* bit set on keydown */
	317	if (gpio & ir->mask_keydown) {
b7df3910	318	ir_input_keydown(ir->input, &ir->ir, data, data);
1da177e4	319	} else {
b7df3910	320	ir_input_nokey(ir->input, &ir->ir);
1da177e4 LT	321	}
	322
	323	} else if (ir->mask_keyup) {
	324	/* bit cleared on keydown */
	325	if (0 == (gpio & ir->mask_keyup)) {
b7df3910	326	ir_input_keydown(ir->input, &ir->ir, data, data);
1da177e4	327	} else {
b7df3910	328	ir_input_nokey(ir->input, &ir->ir);
1da177e4 LT	329	}
	330
	331	} else {
	332	/* can't distinguish keydown/up :-/ */
b7df3910 DT	333	ir_input_keydown(ir->input, &ir->ir, data, data);
b7df3910 DT	334	ir_input_nokey(ir->input, &ir->ir);
1da177e4 LT	335	}
	336	}
	337
	338	static void ir_timer(unsigned long data)
	339	{
41ef7c1e	340	struct cx88_IR ir = (struct cx88_IR )data;
1da177e4 LT	341
	342	schedule_work(&ir->work);
	343	}
	344
	345	static void cx88_ir_work(void *data)
	346	{
	347	struct cx88_IR *ir = data;
	348	unsigned long timeout;
	349
	350	cx88_ir_handle_key(ir);
	351	timeout = jiffies + (ir->polling * HZ / 1000);
	352	mod_timer(&ir->timer, timeout);
	353	}
	354
	355	/* ---------------------------------------------------------------------- */
	356
	357	int cx88_ir_init(struct cx88_core core, struct pci_dev pci)
	358	{
	359	struct cx88_IR *ir;
b7df3910	360	struct input_dev *input_dev;
1da177e4 LT	361	IR_KEYTAB_TYPE *ir_codes = NULL;
	362	int ir_type = IR_TYPE_OTHER;
	363
b7df3910 DT	364	ir = kzalloc(sizeof(*ir), GFP_KERNEL);
	365	input_dev = input_allocate_device();
	366	if (!ir \|\| !input_dev) {
	367	kfree(ir);
	368	input_free_device(input_dev);
1da177e4	369	return -ENOMEM;
b7df3910 DT	370	}
	371
	372	ir->input = input_dev;
1da177e4 LT	373
	374	/* detect & configure */
	375	switch (core->board) {
	376	case CX88_BOARD_DNTV_LIVE_DVB_T:
b45009b0	377	case CX88_BOARD_KWORLD_DVB_T:
41ef7c1e MCC	378	ir_codes = ir_codes_dntv_live_dvb_t;
41ef7c1e MCC	379	ir->gpio_addr = MO_GP1_IO;
1da177e4	380	ir->mask_keycode = 0x1f;
41ef7c1e MCC	381	ir->mask_keyup = 0x60;
41ef7c1e MCC	382	ir->polling = 50; /* ms */
1da177e4	383	break;
e52e98a7 MCC	384	case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1:
	385	ir_codes = ir_codes_cinergy_1400;
	386	ir_type = IR_TYPE_PD;
	387	ir->sampling = 1;
	388	break;
1da177e4 LT	389	case CX88_BOARD_HAUPPAUGE:
1da177e4 LT	390	case CX88_BOARD_HAUPPAUGE_DVB_T1:
41ef7c1e MCC	391	ir_codes = ir_codes_hauppauge_new;
	392	ir_type = IR_TYPE_RC5;
	393	ir->sampling = 1;
1da177e4 LT	394	break;
1da177e4 LT	395	case CX88_BOARD_WINFAST2000XP_EXPERT:
41ef7c1e MCC	396	ir_codes = ir_codes_winfast;
41ef7c1e MCC	397	ir->gpio_addr = MO_GP0_IO;
1da177e4	398	ir->mask_keycode = 0x8f8;
41ef7c1e MCC	399	ir->mask_keyup = 0x100;
41ef7c1e MCC	400	ir->polling = 1; /* ms */
1da177e4 LT	401	break;
1da177e4 LT	402	case CX88_BOARD_IODATA_GVBCTV7E:
41ef7c1e MCC	403	ir_codes = ir_codes_iodata_bctv7e;
41ef7c1e MCC	404	ir->gpio_addr = MO_GP0_IO;
1da177e4 LT	405	ir->mask_keycode = 0xfd;
1da177e4 LT	406	ir->mask_keydown = 0x02;
41ef7c1e	407	ir->polling = 5; /* ms */
1da177e4	408	break;
239df2e2	409	case CX88_BOARD_PIXELVIEW_PLAYTV_ULTRA_PRO:
41ef7c1e MCC	410	ir_codes = ir_codes_pixelview;
41ef7c1e MCC	411	ir->gpio_addr = MO_GP1_IO;
239df2e2	412	ir->mask_keycode = 0x1f;
41ef7c1e MCC	413	ir->mask_keyup = 0x80;
41ef7c1e MCC	414	ir->polling = 1; /* ms */
239df2e2	415	break;
a82decf6	416	case CX88_BOARD_ADSTECH_DVB_T_PCI:
41ef7c1e MCC	417	ir_codes = ir_codes_adstech_dvb_t_pci;
41ef7c1e MCC	418	ir->gpio_addr = MO_GP1_IO;
a82decf6	419	ir->mask_keycode = 0xbf;
41ef7c1e MCC	420	ir->mask_keyup = 0x40;
	421	ir->polling = 50; /* ms */
	422	break;
	423	case CX88_BOARD_MSI_TVANYWHERE_MASTER:
	424	ir_codes = ir_codes_msi_tvanywhere;
	425	ir->gpio_addr = MO_GP1_IO;
	426	ir->mask_keycode = 0x1f;
	427	ir->mask_keyup = 0x40;
	428	ir->polling = 1; /* ms */
a82decf6	429	break;
1da177e4	430	}
b45009b0	431
1da177e4 LT	432	if (NULL == ir_codes) {
1da177e4 LT	433	kfree(ir);
b7df3910	434	input_free_device(input_dev);
1da177e4 LT	435	return -ENODEV;
	436	}
	437
	438	/* init input device */
	439	snprintf(ir->name, sizeof(ir->name), "cx88 IR (%s)",
	440	cx88_boards[core->board].name);
41ef7c1e	441	snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0", pci_name(pci));
1da177e4	442
b7df3910 DT	443	ir_input_init(input_dev, &ir->ir, ir_type, ir_codes);
	444	input_dev->name = ir->name;
	445	input_dev->phys = ir->phys;
	446	input_dev->id.bustype = BUS_PCI;
	447	input_dev->id.version = 1;
1da177e4	448	if (pci->subsystem_vendor) {
b7df3910 DT	449	input_dev->id.vendor = pci->subsystem_vendor;
b7df3910 DT	450	input_dev->id.product = pci->subsystem_device;
1da177e4	451	} else {
b7df3910 DT	452	input_dev->id.vendor = pci->vendor;
b7df3910 DT	453	input_dev->id.product = pci->device;
1da177e4	454	}
b7df3910	455	input_dev->cdev.dev = &pci->dev;
1da177e4 LT	456
	457	/* record handles to ourself */
	458	ir->core = core;
	459	core->ir = ir;
	460
	461	if (ir->polling) {
	462	INIT_WORK(&ir->work, cx88_ir_work, ir);
	463	init_timer(&ir->timer);
	464	ir->timer.function = ir_timer;
41ef7c1e	465	ir->timer.data = (unsigned long)ir;
1da177e4 LT	466	schedule_work(&ir->work);
	467	}
	468	if (ir->sampling) {
41ef7c1e MCC	469	core->pci_irqmask \|= (1 << 18); /* IR_SMP_INT */
	470	cx_write(MO_DDS_IO, 0xa80a80); /* 4 kHz sample rate */
	471	cx_write(MO_DDSCFG_IO, 0x5); /* enable */
1da177e4 LT	472	}
	473
	474	/* all done */
b7df3910	475	input_register_device(ir->input);
1da177e4 LT	476
	477	return 0;
	478	}
	479
	480	int cx88_ir_fini(struct cx88_core *core)
	481	{
	482	struct cx88_IR *ir = core->ir;
	483
	484	/* skip detach on non attached boards */
	485	if (NULL == ir)
	486	return 0;
	487
	488	if (ir->polling) {
	489	del_timer(&ir->timer);
	490	flush_scheduled_work();
	491	}
	492
b7df3910	493	input_unregister_device(ir->input);
1da177e4 LT	494	kfree(ir);
	495
	496	/* done */
	497	core->ir = NULL;
	498	return 0;
	499	}
	500
	501	/* ---------------------------------------------------------------------- */
	502
	503	void cx88_ir_irq(struct cx88_core *core)
	504	{
	505	struct cx88_IR *ir = core->ir;
e52e98a7	506	u32 samples, ircode;
1da177e4 LT	507	int i;
	508
	509	if (NULL == ir)
	510	return;
	511	if (!ir->sampling)
	512	return;
	513
	514	samples = cx_read(MO_SAMPLE_IO);
41ef7c1e	515	if (0 != samples && 0xffffffff != samples) {
1da177e4 LT	516	/* record sample data */
	517	if (ir->scount < ARRAY_SIZE(ir->samples))
	518	ir->samples[ir->scount++] = samples;
	519	return;
	520	}
	521	if (!ir->scount) {
	522	/* nothing to sample */
41ef7c1e	523	if (ir->ir.keypressed && time_after(jiffies, ir->release))
b7df3910	524	ir_input_nokey(ir->input, &ir->ir);
1da177e4 LT	525	return;
	526	}
	527
	528	/* have a complete sample */
	529	if (ir->scount < ARRAY_SIZE(ir->samples))
	530	ir->samples[ir->scount++] = samples;
	531	for (i = 0; i < ir->scount; i++)
	532	ir->samples[i] = ~ir->samples[i];
	533	if (ir_debug)
41ef7c1e	534	ir_dump_samples(ir->samples, ir->scount);
1da177e4 LT	535
	536	/* decode it */
	537	switch (core->board) {
e52e98a7 MCC	538	case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1:
	539	ircode = ir_decode_pulsedistance(ir->samples, ir->scount, 1, 4);
	540
	541	if (ircode == 0xffffffff) { /* decoding error */
	542	ir_dprintk("pulse distance decoding error\n");
	543	break;
	544	}
	545
	546	ir_dprintk("pulse distance decoded: %x\n", ircode);
	547
	548	if (ircode == 0) { /* key still pressed */
	549	ir_dprintk("pulse distance decoded repeat code\n");
	550	ir->release = jiffies + msecs_to_jiffies(120);
	551	break;
	552	}
	553
	554	if ((ircode & 0xffff) != 0xeb04) { /* wrong address */
	555	ir_dprintk("pulse distance decoded wrong address\n");
	556	break;
	557	}
	558
	559	if (((~ircode >> 24) & 0xff) != ((ircode >> 16) & 0xff)) { /* wrong checksum */
	560	ir_dprintk("pulse distance decoded wrong check sum\n");
	561	break;
	562	}
	563
	564	ir_dprintk("Key Code: %x\n", (ircode >> 16) & 0x7f);
	565
b7df3910	566	ir_input_keydown(ir->input, &ir->ir, (ircode >> 16) & 0x7f, (ircode >> 16) & 0xff);
e52e98a7 MCC	567	ir->release = jiffies + msecs_to_jiffies(120);
e52e98a7 MCC	568	break;
1da177e4 LT	569	case CX88_BOARD_HAUPPAUGE:
1da177e4 LT	570	case CX88_BOARD_HAUPPAUGE_DVB_T1:
e52e98a7 MCC	571	ircode = ir_decode_biphase(ir->samples, ir->scount, 5, 7);
	572	ir_dprintk("biphase decoded: %x\n", ircode);
	573	if ((ircode & 0xfffff000) != 0x3000)
1da177e4	574	break;
b7df3910	575	ir_input_keydown(ir->input, &ir->ir, ircode & 0x3f, ircode);
1da177e4 LT	576	ir->release = jiffies + msecs_to_jiffies(120);
	577	break;
	578	}
	579
	580	ir->scount = 0;
	581	return;
	582	}
	583
	584	/* ---------------------------------------------------------------------- */
	585
	586	MODULE_AUTHOR("Gerd Knorr, Pavel Machek, Chris Pascoe");
	587	MODULE_DESCRIPTION("input driver for cx88 GPIO-based IR remote controls");
	588	MODULE_LICENSE("GPL");
	589
	590	/*
	591	* Local variables:
	592	* c-basic-offset: 8
	593	* End:
	594	*/