[mirror_ubuntu-zesty-kernel.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, 2005 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 "cx88.h"
#include <media/ir-common.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,
};

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

/* AVERTV STUDIO 303 Remote */
static IR_KEYTAB_TYPE ir_codes_avertv_303[IR_KEYTAB_SIZE] = {
	[ 0x2a ] = KEY_KP1,
	[ 0x32 ] = KEY_KP2,
	[ 0x3a ] = KEY_KP3,
	[ 0x4a ] = KEY_KP4,
	[ 0x52 ] = KEY_KP5,
	[ 0x5a ] = KEY_KP6,
	[ 0x6a ] = KEY_KP7,
	[ 0x72 ] = KEY_KP8,
	[ 0x7a ] = KEY_KP9,
	[ 0x0e ] = KEY_KP0,

	[ 0x02 ] = KEY_POWER,
	[ 0x22 ] = KEY_VIDEO,
	[ 0x42 ] = KEY_AUDIO,
	[ 0x62 ] = KEY_ZOOM,
	[ 0x0a ] = KEY_TV,
	[ 0x12 ] = KEY_CD,
	[ 0x1a ] = KEY_TEXT,

	[ 0x16 ] = KEY_SUBTITLE,
	[ 0x1e ] = KEY_REWIND,
	[ 0x06 ] = KEY_PRINT,

	[ 0x2e ] = KEY_SEARCH,
	[ 0x36 ] = KEY_SLEEP,
	[ 0x3e ] = KEY_SHUFFLE,
	[ 0x26 ] = KEY_MUTE,

	[ 0x4e ] = KEY_RECORD,
	[ 0x56 ] = KEY_PAUSE,
	[ 0x5e ] = KEY_STOP,
	[ 0x46 ] = KEY_PLAY,

	[ 0x6e ] = KEY_RED,
	[ 0x0b ] = KEY_GREEN,
	[ 0x66 ] = KEY_YELLOW,
	[ 0x03 ] = KEY_BLUE,

	[ 0x76 ] = KEY_LEFT,
	[ 0x7e ] = KEY_RIGHT,
	[ 0x13 ] = KEY_DOWN,
	[ 0x1b ] = KEY_UP,
};

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

/* DigitalNow DNTV Live! DVB-T Pro Remote */
static IR_KEYTAB_TYPE ir_codes_dntv_live_dvbt_pro[IR_KEYTAB_SIZE] = {
	[ 0x16 ] = KEY_POWER,
	[ 0x5b ] = KEY_HOME,

	[ 0x55 ] = KEY_TV,		/* live tv */
	[ 0x58 ] = KEY_TUNER,		/* digital Radio */
	[ 0x5a ] = KEY_RADIO,		/* FM radio */
	[ 0x59 ] = KEY_DVD,		/* dvd menu */
	[ 0x03 ] = KEY_1,
	[ 0x01 ] = KEY_2,
	[ 0x06 ] = KEY_3,
	[ 0x09 ] = KEY_4,
	[ 0x1d ] = KEY_5,
	[ 0x1f ] = KEY_6,
	[ 0x0d ] = KEY_7,
	[ 0x19 ] = KEY_8,
	[ 0x1b ] = KEY_9,
	[ 0x0c ] = KEY_CANCEL,
	[ 0x15 ] = KEY_0,
	[ 0x4a ] = KEY_CLEAR,
	[ 0x13 ] = KEY_BACK,
	[ 0x00 ] = KEY_TAB,
	[ 0x4b ] = KEY_UP,
	[ 0x4e ] = KEY_LEFT,
	[ 0x4f ] = KEY_OK,
	[ 0x52 ] = KEY_RIGHT,
	[ 0x51 ] = KEY_DOWN,
	[ 0x1e ] = KEY_VOLUMEUP,
	[ 0x0a ] = KEY_VOLUMEDOWN,
	[ 0x02 ] = KEY_CHANNELDOWN,
	[ 0x05 ] = KEY_CHANNELUP,
	[ 0x11 ] = KEY_RECORD,
	[ 0x14 ] = KEY_PLAY,
	[ 0x4c ] = KEY_PAUSE,
	[ 0x1a ] = KEY_STOP,
	[ 0x40 ] = KEY_REWIND,
	[ 0x12 ] = KEY_FASTFORWARD,
	[ 0x41 ] = KEY_PREVIOUSSONG,	/* replay |< */
	[ 0x42 ] = KEY_NEXTSONG,	/* skip >| */
	[ 0x54 ] = KEY_CAMERA,		/* capture */
	[ 0x50 ] = KEY_LANGUAGE,	/* sap */
	[ 0x47 ] = KEY_TV2,		/* pip */
	[ 0x4d ] = KEY_SCREEN,
	[ 0x43 ] = KEY_SUBTITLE,
	[ 0x10 ] = KEY_MUTE,
	[ 0x49 ] = KEY_AUDIO,		/* l/r */
	[ 0x07 ] = KEY_SLEEP,
	[ 0x08 ] = KEY_VIDEO,		/* a/v */
	[ 0x0e ] = KEY_PREVIOUS,	/* recall */
	[ 0x45 ] = KEY_ZOOM,		/* zoom + */
	[ 0x46 ] = KEY_ANGLE,		/* zoom - */
	[ 0x56 ] = KEY_RED,
	[ 0x57 ] = KEY_GREEN,
	[ 0x5c ] = KEY_YELLOW,
	[ 0x5d ] = KEY_BLUE,
};

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

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 */
	u32 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 = 0xeb04; /* address */
		break;
	case CX88_BOARD_HAUPPAUGE:
	case CX88_BOARD_HAUPPAUGE_DVB_T1:
	case CX88_BOARD_HAUPPAUGE_NOVASE2_S1:
	case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1:
	case CX88_BOARD_HAUPPAUGE_HVR1100:
		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;
	case CX88_BOARD_AVERTV_303:
		ir_codes         = ir_codes_avertv_303;
		ir->gpio_addr    = MO_GP2_IO;
		ir->mask_keycode = 0xfb;
		ir->mask_keydown = 0x02;
		ir->polling      = 50; /* ms */
		break;
	case CX88_BOARD_DNTV_LIVE_DVB_T_PRO:
		ir_codes = ir_codes_dntv_live_dvbt_pro;
		ir_type = IR_TYPE_PD;
		ir->sampling = 0xff00; /* address */
		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->sampling) {
		cx_write(MO_DDSCFG_IO, 0x0);
		core->pci_irqmask &= ~(1 << 18);
	}
	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:
	case CX88_BOARD_DNTV_LIVE_DVB_T_PRO:
		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) != (ir->sampling & 0xffff)) { /* 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:
	case CX88_BOARD_HAUPPAUGE_NOVASE2_S1:
	case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1:
		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
fc40b261	8	* Copyright (c) 2004, 2005 Chris Pascoe
1da177e4 LT	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
1da177e4	32	#include "cx88.h"
d21838dd	33	#include <media/ir-common.h>
1da177e4 LT	34
	35	/* ---------------------------------------------------------------------- */
	36
	37	/* DigitalNow DNTV Live DVB-T Remote */
	38	static IR_KEYTAB_TYPE ir_codes_dntv_live_dvb_t[IR_KEYTAB_SIZE] = {
41ef7c1e MCC	39	[0x00] = KEY_ESC, /* 'go up a level?' */
	40	/* Keys 0 to 9 */
	41	[0x0a] = KEY_KP0,
	42	[0x01] = KEY_KP1,
	43	[0x02] = KEY_KP2,
	44	[0x03] = KEY_KP3,
	45	[0x04] = KEY_KP4,
	46	[0x05] = KEY_KP5,
	47	[0x06] = KEY_KP6,
	48	[0x07] = KEY_KP7,
	49	[0x08] = KEY_KP8,
	50	[0x09] = KEY_KP9,
	51
	52	[0x0b] = KEY_TUNER, /* tv/fm */
	53	[0x0c] = KEY_SEARCH, /* scan */
	54	[0x0d] = KEY_STOP,
	55	[0x0e] = KEY_PAUSE,
	56	[0x0f] = KEY_LIST, /* source */
	57
	58	[0x10] = KEY_MUTE,
	59	[0x11] = KEY_REWIND, /* backward << */
	60	[0x12] = KEY_POWER,
	61	[0x13] = KEY_S, /* snap */
	62	[0x14] = KEY_AUDIO, /* stereo */
	63	[0x15] = KEY_CLEAR, /* reset */
	64	[0x16] = KEY_PLAY,
	65	[0x17] = KEY_ENTER,
	66	[0x18] = KEY_ZOOM, /* full screen */
	67	[0x19] = KEY_FASTFORWARD, /* forward >> */
	68	[0x1a] = KEY_CHANNELUP,
	69	[0x1b] = KEY_VOLUMEUP,
	70	[0x1c] = KEY_INFO, /* preview */
	71	[0x1d] = KEY_RECORD, /* record */
	72	[0x1e] = KEY_CHANNELDOWN,
	73	[0x1f] = KEY_VOLUMEDOWN,
1da177e4 LT	74	};
	75
	76	/* ---------------------------------------------------------------------- */
	77
	78	/* IO-DATA BCTV7E Remote */
	79	static IR_KEYTAB_TYPE ir_codes_iodata_bctv7e[IR_KEYTAB_SIZE] = {
41ef7c1e MCC	80	[0x40] = KEY_TV,
	81	[0x20] = KEY_RADIO, /* FM */
	82	[0x60] = KEY_EPG,
	83	[0x00] = KEY_POWER,
	84
	85	/* Keys 0 to 9 */
	86	[0x44] = KEY_KP0, /* 10 */
	87	[0x50] = KEY_KP1,
	88	[0x30] = KEY_KP2,
	89	[0x70] = KEY_KP3,
	90	[0x48] = KEY_KP4,
	91	[0x28] = KEY_KP5,
	92	[0x68] = KEY_KP6,
	93	[0x58] = KEY_KP7,
	94	[0x38] = KEY_KP8,
	95	[0x78] = KEY_KP9,
	96
	97	[0x10] = KEY_L, /* Live */
	98	[0x08] = KEY_T, /* Time Shift */
	99
	100	[0x18] = KEY_PLAYPAUSE, /* Play */
	101
	102	[0x24] = KEY_ENTER, /* 11 */
	103	[0x64] = KEY_ESC, /* 12 */
	104	[0x04] = KEY_M, /* Multi */
	105
	106	[0x54] = KEY_VIDEO,
	107	[0x34] = KEY_CHANNELUP,
	108	[0x74] = KEY_VOLUMEUP,
	109	[0x14] = KEY_MUTE,
	110
	111	[0x4c] = KEY_S, /* SVIDEO */
	112	[0x2c] = KEY_CHANNELDOWN,
	113	[0x6c] = KEY_VOLUMEDOWN,
	114	[0x0c] = KEY_ZOOM,
	115
	116	[0x5c] = KEY_PAUSE,
	117	[0x3c] = KEY_C, /* \|\| (red) */
	118	[0x7c] = KEY_RECORD, /* recording */
	119	[0x1c] = KEY_STOP,
	120
	121	[0x41] = KEY_REWIND, /* backward << */
	122	[0x21] = KEY_PLAY,
	123	[0x61] = KEY_FASTFORWARD, /* forward >> */
	124	[0x01] = KEY_NEXT, /* skip >\| */
1da177e4 LT	125	};
	126
	127	/* ---------------------------------------------------------------------- */
	128
a82decf6 MCC	129	/* ADS Tech Instant TV DVB-T PCI Remote */
a82decf6 MCC	130	static IR_KEYTAB_TYPE ir_codes_adstech_dvb_t_pci[IR_KEYTAB_SIZE] = {
41ef7c1e MCC	131	/* Keys 0 to 9 */
	132	[0x4d] = KEY_0,
	133	[0x57] = KEY_1,
	134	[0x4f] = KEY_2,
	135	[0x53] = KEY_3,
	136	[0x56] = KEY_4,
	137	[0x4e] = KEY_5,
	138	[0x5e] = KEY_6,
	139	[0x54] = KEY_7,
	140	[0x4c] = KEY_8,
	141	[0x5c] = KEY_9,
	142
	143	[0x5b] = KEY_POWER,
	144	[0x5f] = KEY_MUTE,
	145	[0x55] = KEY_GOTO,
	146	[0x5d] = KEY_SEARCH,
	147	[0x17] = KEY_EPG, /* Guide */
	148	[0x1f] = KEY_MENU,
	149	[0x0f] = KEY_UP,
	150	[0x46] = KEY_DOWN,
	151	[0x16] = KEY_LEFT,
	152	[0x1e] = KEY_RIGHT,
	153	[0x0e] = KEY_SELECT, /* Enter */
	154	[0x5a] = KEY_INFO,
	155	[0x52] = KEY_EXIT,
	156	[0x59] = KEY_PREVIOUS,
	157	[0x51] = KEY_NEXT,
	158	[0x58] = KEY_REWIND,
	159	[0x50] = KEY_FORWARD,
	160	[0x44] = KEY_PLAYPAUSE,
	161	[0x07] = KEY_STOP,
	162	[0x1b] = KEY_RECORD,
	163	[0x13] = KEY_TUNER, /* Live */
	164	[0x0a] = KEY_A,
	165	[0x12] = KEY_B,
	166	[0x03] = KEY_PROG1, /* 1 */
	167	[0x01] = KEY_PROG2, /* 2 */
	168	[0x00] = KEY_PROG3, /* 3 */
	169	[0x06] = KEY_DVD,
	170	[0x48] = KEY_AUX, /* Photo */
	171	[0x40] = KEY_VIDEO,
	172	[0x19] = KEY_AUDIO, /* Music */
	173	[0x0b] = KEY_CHANNELUP,
	174	[0x08] = KEY_CHANNELDOWN,
	175	[0x15] = KEY_VOLUMEUP,
	176	[0x1c] = KEY_VOLUMEDOWN,
a82decf6 MCC	177	};
	178
	179	/* ---------------------------------------------------------------------- */
	180
	181	/* MSI TV@nywhere remote */
	182	static IR_KEYTAB_TYPE ir_codes_msi_tvanywhere[IR_KEYTAB_SIZE] = {
41ef7c1e MCC	183	/* Keys 0 to 9 */
	184	[0x00] = KEY_0,
	185	[0x01] = KEY_1,
	186	[0x02] = KEY_2,
	187	[0x03] = KEY_3,
	188	[0x04] = KEY_4,
	189	[0x05] = KEY_5,
	190	[0x06] = KEY_6,
	191	[0x07] = KEY_7,
	192	[0x08] = KEY_8,
	193	[0x09] = KEY_9,
	194
	195	[0x0c] = KEY_MUTE,
	196	[0x0f] = KEY_SCREEN, /* Full Screen */
	197	[0x10] = KEY_F, /* Funtion */
	198	[0x11] = KEY_T, /* Time shift */
	199	[0x12] = KEY_POWER,
	200	[0x13] = KEY_MEDIA, /* MTS */
	201	[0x14] = KEY_SLOW,
	202	[0x16] = KEY_REWIND, /* backward << */
	203	[0x17] = KEY_ENTER, /* Return */
	204	[0x18] = KEY_FASTFORWARD, /* forward >> */
	205	[0x1a] = KEY_CHANNELUP,
	206	[0x1b] = KEY_VOLUMEUP,
	207	[0x1e] = KEY_CHANNELDOWN,
	208	[0x1f] = KEY_VOLUMEDOWN,
a82decf6 MCC	209	};
	210
	211	/* ---------------------------------------------------------------------- */
	212
e52e98a7 MCC	213	/* Cinergy 1400 DVB-T */
	214	static IR_KEYTAB_TYPE ir_codes_cinergy_1400[IR_KEYTAB_SIZE] = {
	215	[0x01] = KEY_POWER,
	216	[0x02] = KEY_1,
	217	[0x03] = KEY_2,
	218	[0x04] = KEY_3,
	219	[0x05] = KEY_4,
	220	[0x06] = KEY_5,
	221	[0x07] = KEY_6,
	222	[0x08] = KEY_7,
	223	[0x09] = KEY_8,
	224	[0x0a] = KEY_9,
	225	[0x0c] = KEY_0,
	226
	227	[0x0b] = KEY_VIDEO,
	228	[0x0d] = KEY_REFRESH,
	229	[0x0e] = KEY_SELECT,
	230	[0x0f] = KEY_EPG,
	231	[0x10] = KEY_UP,
	232	[0x11] = KEY_LEFT,
	233	[0x12] = KEY_OK,
	234	[0x13] = KEY_RIGHT,
	235	[0x14] = KEY_DOWN,
	236	[0x15] = KEY_TEXT,
	237	[0x16] = KEY_INFO,
	238
	239	[0x17] = KEY_RED,
	240	[0x18] = KEY_GREEN,
	241	[0x19] = KEY_YELLOW,
	242	[0x1a] = KEY_BLUE,
	243
	244	[0x1b] = KEY_CHANNELUP,
	245	[0x1c] = KEY_VOLUMEUP,
	246	[0x1d] = KEY_MUTE,
	247	[0x1e] = KEY_VOLUMEDOWN,
	248	[0x1f] = KEY_CHANNELDOWN,
	249
	250	[0x40] = KEY_PAUSE,
	251	[0x4c] = KEY_PLAY,
	252	[0x58] = KEY_RECORD,
	253	[0x54] = KEY_PREVIOUS,
	254	[0x48] = KEY_STOP,
	255	[0x5c] = KEY_NEXT,
	256	};
	257
	258	/* ---------------------------------------------------------------------- */
	259
899ad11b GG	260	/* AVERTV STUDIO 303 Remote */
	261	static IR_KEYTAB_TYPE ir_codes_avertv_303[IR_KEYTAB_SIZE] = {
	262	[ 0x2a ] = KEY_KP1,
	263	[ 0x32 ] = KEY_KP2,
	264	[ 0x3a ] = KEY_KP3,
	265	[ 0x4a ] = KEY_KP4,
	266	[ 0x52 ] = KEY_KP5,
	267	[ 0x5a ] = KEY_KP6,
	268	[ 0x6a ] = KEY_KP7,
	269	[ 0x72 ] = KEY_KP8,
	270	[ 0x7a ] = KEY_KP9,
	271	[ 0x0e ] = KEY_KP0,
	272
	273	[ 0x02 ] = KEY_POWER,
	274	[ 0x22 ] = KEY_VIDEO,
	275	[ 0x42 ] = KEY_AUDIO,
	276	[ 0x62 ] = KEY_ZOOM,
	277	[ 0x0a ] = KEY_TV,
	278	[ 0x12 ] = KEY_CD,
	279	[ 0x1a ] = KEY_TEXT,
	280
	281	[ 0x16 ] = KEY_SUBTITLE,
	282	[ 0x1e ] = KEY_REWIND,
	283	[ 0x06 ] = KEY_PRINT,
	284
	285	[ 0x2e ] = KEY_SEARCH,
	286	[ 0x36 ] = KEY_SLEEP,
	287	[ 0x3e ] = KEY_SHUFFLE,
	288	[ 0x26 ] = KEY_MUTE,
	289
	290	[ 0x4e ] = KEY_RECORD,
	291	[ 0x56 ] = KEY_PAUSE,
	292	[ 0x5e ] = KEY_STOP,
	293	[ 0x46 ] = KEY_PLAY,
	294
	295	[ 0x6e ] = KEY_RED,
	296	[ 0x0b ] = KEY_GREEN,
	297	[ 0x66 ] = KEY_YELLOW,
	298	[ 0x03 ] = KEY_BLUE,
	299
	300	[ 0x76 ] = KEY_LEFT,
	301	[ 0x7e ] = KEY_RIGHT,
	302	[ 0x13 ] = KEY_DOWN,
	303	[ 0x1b ] = KEY_UP,
	304	};
	305
	306	/* ---------------------------------------------------------------------- */
	307
fc40b261 CP	308	/* DigitalNow DNTV Live! DVB-T Pro Remote */
	309	static IR_KEYTAB_TYPE ir_codes_dntv_live_dvbt_pro[IR_KEYTAB_SIZE] = {
	310	[ 0x16 ] = KEY_POWER,
	311	[ 0x5b ] = KEY_HOME,
	312
	313	[ 0x55 ] = KEY_TV, /* live tv */
	314	[ 0x58 ] = KEY_TUNER, /* digital Radio */
	315	[ 0x5a ] = KEY_RADIO, /* FM radio */
	316	[ 0x59 ] = KEY_DVD, /* dvd menu */
	317	[ 0x03 ] = KEY_1,
	318	[ 0x01 ] = KEY_2,
	319	[ 0x06 ] = KEY_3,
	320	[ 0x09 ] = KEY_4,
	321	[ 0x1d ] = KEY_5,
	322	[ 0x1f ] = KEY_6,
	323	[ 0x0d ] = KEY_7,
	324	[ 0x19 ] = KEY_8,
	325	[ 0x1b ] = KEY_9,
	326	[ 0x0c ] = KEY_CANCEL,
	327	[ 0x15 ] = KEY_0,
	328	[ 0x4a ] = KEY_CLEAR,
	329	[ 0x13 ] = KEY_BACK,
	330	[ 0x00 ] = KEY_TAB,
	331	[ 0x4b ] = KEY_UP,
	332	[ 0x4e ] = KEY_LEFT,
	333	[ 0x4f ] = KEY_OK,
	334	[ 0x52 ] = KEY_RIGHT,
	335	[ 0x51 ] = KEY_DOWN,
	336	[ 0x1e ] = KEY_VOLUMEUP,
	337	[ 0x0a ] = KEY_VOLUMEDOWN,
	338	[ 0x02 ] = KEY_CHANNELDOWN,
	339	[ 0x05 ] = KEY_CHANNELUP,
	340	[ 0x11 ] = KEY_RECORD,
	341	[ 0x14 ] = KEY_PLAY,
	342	[ 0x4c ] = KEY_PAUSE,
	343	[ 0x1a ] = KEY_STOP,
	344	[ 0x40 ] = KEY_REWIND,
	345	[ 0x12 ] = KEY_FASTFORWARD,
	346	[ 0x41 ] = KEY_PREVIOUSSONG, /* replay \|< */
	347	[ 0x42 ] = KEY_NEXTSONG, /* skip >\| */
	348	[ 0x54 ] = KEY_CAMERA, /* capture */
	349	[ 0x50 ] = KEY_LANGUAGE, /* sap */
	350	[ 0x47 ] = KEY_TV2, /* pip */
	351	[ 0x4d ] = KEY_SCREEN,
	352	[ 0x43 ] = KEY_SUBTITLE,
	353	[ 0x10 ] = KEY_MUTE,
	354	[ 0x49 ] = KEY_AUDIO, /* l/r */
	355	[ 0x07 ] = KEY_SLEEP,
	356	[ 0x08 ] = KEY_VIDEO, /* a/v */
	357	[ 0x0e ] = KEY_PREVIOUS, /* recall */
	358	[ 0x45 ] = KEY_ZOOM, /* zoom + */
	359	[ 0x46 ] = KEY_ANGLE, /* zoom - */
	360	[ 0x56 ] = KEY_RED,
	361	[ 0x57 ] = KEY_GREEN,
	362	[ 0x5c ] = KEY_YELLOW,
	363	[ 0x5d ] = KEY_BLUE,
	364	};
	365
	366	/* ---------------------------------------------------------------------- */
	367
1da177e4	368	struct cx88_IR {
41ef7c1e	369	struct cx88_core *core;
b7df3910	370	struct input_dev *input;
41ef7c1e MCC	371	struct ir_input_state ir;
	372	char name[32];
	373	char phys[32];
1da177e4 LT	374
1da177e4 LT	375	/* sample from gpio pin 16 */
fc40b261	376	u32 sampling;
41ef7c1e MCC	377	u32 samples[16];
	378	int scount;
	379	unsigned long release;
1da177e4 LT	380
1da177e4 LT	381	/* poll external decoder */
41ef7c1e MCC	382	int polling;
	383	struct work_struct work;
	384	struct timer_list timer;
	385	u32 gpio_addr;
	386	u32 last_gpio;
	387	u32 mask_keycode;
	388	u32 mask_keydown;
	389	u32 mask_keyup;
1da177e4 LT	390	};
	391
	392	static int ir_debug = 0;
41ef7c1e	393	module_param(ir_debug, int, 0644); /* debug level [IR] */
1da177e4 LT	394	MODULE_PARM_DESC(ir_debug, "enable debug messages [IR]");
	395
	396	#define ir_dprintk(fmt, arg...) if (ir_debug) \
e52e98a7	397	printk(KERN_DEBUG "%s IR: " fmt , ir->core->name , ##arg)
1da177e4 LT	398
	399	/* ---------------------------------------------------------------------- */
	400
	401	static void cx88_ir_handle_key(struct cx88_IR *ir)
	402	{
	403	struct cx88_core *core = ir->core;
	404	u32 gpio, data;
	405
	406	/* read gpio value */
	407	gpio = cx_read(ir->gpio_addr);
	408	if (ir->polling) {
	409	if (ir->last_gpio == gpio)
	410	return;
	411	ir->last_gpio = gpio;
	412	}
	413
	414	/* extract data */
	415	data = ir_extract_bits(gpio, ir->mask_keycode);
	416	ir_dprintk("irq gpio=0x%x code=%d \| %s%s%s\n",
41ef7c1e MCC	417	gpio, data,
	418	ir->polling ? "poll" : "irq",
	419	(gpio & ir->mask_keydown) ? " down" : "",
	420	(gpio & ir->mask_keyup) ? " up" : "");
1da177e4 LT	421
	422	if (ir->mask_keydown) {
	423	/* bit set on keydown */
	424	if (gpio & ir->mask_keydown) {
b7df3910	425	ir_input_keydown(ir->input, &ir->ir, data, data);
1da177e4	426	} else {
b7df3910	427	ir_input_nokey(ir->input, &ir->ir);
1da177e4 LT	428	}
	429
	430	} else if (ir->mask_keyup) {
	431	/* bit cleared on keydown */
	432	if (0 == (gpio & ir->mask_keyup)) {
b7df3910	433	ir_input_keydown(ir->input, &ir->ir, data, data);
1da177e4	434	} else {
b7df3910	435	ir_input_nokey(ir->input, &ir->ir);
1da177e4 LT	436	}
	437
	438	} else {
	439	/* can't distinguish keydown/up :-/ */
b7df3910 DT	440	ir_input_keydown(ir->input, &ir->ir, data, data);
b7df3910 DT	441	ir_input_nokey(ir->input, &ir->ir);
1da177e4 LT	442	}
	443	}
	444
	445	static void ir_timer(unsigned long data)
	446	{
41ef7c1e	447	struct cx88_IR ir = (struct cx88_IR )data;
1da177e4 LT	448
	449	schedule_work(&ir->work);
	450	}
	451
	452	static void cx88_ir_work(void *data)
	453	{
	454	struct cx88_IR *ir = data;
	455	unsigned long timeout;
	456
	457	cx88_ir_handle_key(ir);
	458	timeout = jiffies + (ir->polling * HZ / 1000);
	459	mod_timer(&ir->timer, timeout);
	460	}
	461
	462	/* ---------------------------------------------------------------------- */
	463
	464	int cx88_ir_init(struct cx88_core core, struct pci_dev pci)
	465	{
	466	struct cx88_IR *ir;
b7df3910	467	struct input_dev *input_dev;
1da177e4 LT	468	IR_KEYTAB_TYPE *ir_codes = NULL;
	469	int ir_type = IR_TYPE_OTHER;
	470
b7df3910 DT	471	ir = kzalloc(sizeof(*ir), GFP_KERNEL);
	472	input_dev = input_allocate_device();
	473	if (!ir \|\| !input_dev) {
	474	kfree(ir);
	475	input_free_device(input_dev);
1da177e4	476	return -ENOMEM;
b7df3910 DT	477	}
	478
	479	ir->input = input_dev;
1da177e4 LT	480
	481	/* detect & configure */
	482	switch (core->board) {
	483	case CX88_BOARD_DNTV_LIVE_DVB_T:
b45009b0	484	case CX88_BOARD_KWORLD_DVB_T:
41ef7c1e MCC	485	ir_codes = ir_codes_dntv_live_dvb_t;
41ef7c1e MCC	486	ir->gpio_addr = MO_GP1_IO;
1da177e4	487	ir->mask_keycode = 0x1f;
41ef7c1e MCC	488	ir->mask_keyup = 0x60;
41ef7c1e MCC	489	ir->polling = 50; /* ms */
1da177e4	490	break;
e52e98a7 MCC	491	case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1:
	492	ir_codes = ir_codes_cinergy_1400;
	493	ir_type = IR_TYPE_PD;
fc40b261	494	ir->sampling = 0xeb04; /* address */
e52e98a7	495	break;
1da177e4 LT	496	case CX88_BOARD_HAUPPAUGE:
1da177e4 LT	497	case CX88_BOARD_HAUPPAUGE_DVB_T1:
fb56cb65 ST	498	case CX88_BOARD_HAUPPAUGE_NOVASE2_S1:
fb56cb65 ST	499	case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1:
611900c1	500	case CX88_BOARD_HAUPPAUGE_HVR1100:
41ef7c1e MCC	501	ir_codes = ir_codes_hauppauge_new;
	502	ir_type = IR_TYPE_RC5;
	503	ir->sampling = 1;
1da177e4 LT	504	break;
1da177e4 LT	505	case CX88_BOARD_WINFAST2000XP_EXPERT:
41ef7c1e MCC	506	ir_codes = ir_codes_winfast;
41ef7c1e MCC	507	ir->gpio_addr = MO_GP0_IO;
1da177e4	508	ir->mask_keycode = 0x8f8;
41ef7c1e MCC	509	ir->mask_keyup = 0x100;
41ef7c1e MCC	510	ir->polling = 1; /* ms */
1da177e4 LT	511	break;
1da177e4 LT	512	case CX88_BOARD_IODATA_GVBCTV7E:
41ef7c1e MCC	513	ir_codes = ir_codes_iodata_bctv7e;
41ef7c1e MCC	514	ir->gpio_addr = MO_GP0_IO;
1da177e4 LT	515	ir->mask_keycode = 0xfd;
1da177e4 LT	516	ir->mask_keydown = 0x02;
41ef7c1e	517	ir->polling = 5; /* ms */
1da177e4	518	break;
239df2e2	519	case CX88_BOARD_PIXELVIEW_PLAYTV_ULTRA_PRO:
41ef7c1e MCC	520	ir_codes = ir_codes_pixelview;
41ef7c1e MCC	521	ir->gpio_addr = MO_GP1_IO;
239df2e2	522	ir->mask_keycode = 0x1f;
41ef7c1e MCC	523	ir->mask_keyup = 0x80;
41ef7c1e MCC	524	ir->polling = 1; /* ms */
239df2e2	525	break;
a82decf6	526	case CX88_BOARD_ADSTECH_DVB_T_PCI:
41ef7c1e MCC	527	ir_codes = ir_codes_adstech_dvb_t_pci;
41ef7c1e MCC	528	ir->gpio_addr = MO_GP1_IO;
a82decf6	529	ir->mask_keycode = 0xbf;
41ef7c1e MCC	530	ir->mask_keyup = 0x40;
	531	ir->polling = 50; /* ms */
	532	break;
	533	case CX88_BOARD_MSI_TVANYWHERE_MASTER:
	534	ir_codes = ir_codes_msi_tvanywhere;
	535	ir->gpio_addr = MO_GP1_IO;
	536	ir->mask_keycode = 0x1f;
	537	ir->mask_keyup = 0x40;
	538	ir->polling = 1; /* ms */
a82decf6	539	break;
899ad11b GG	540	case CX88_BOARD_AVERTV_303:
	541	ir_codes = ir_codes_avertv_303;
	542	ir->gpio_addr = MO_GP2_IO;
	543	ir->mask_keycode = 0xfb;
	544	ir->mask_keydown = 0x02;
	545	ir->polling = 50; /* ms */
	546	break;
fc40b261 CP	547	case CX88_BOARD_DNTV_LIVE_DVB_T_PRO:
	548	ir_codes = ir_codes_dntv_live_dvbt_pro;
	549	ir_type = IR_TYPE_PD;
	550	ir->sampling = 0xff00; /* address */
	551	break;
1da177e4	552	}
b45009b0	553
1da177e4 LT	554	if (NULL == ir_codes) {
1da177e4 LT	555	kfree(ir);
b7df3910	556	input_free_device(input_dev);
1da177e4 LT	557	return -ENODEV;
	558	}
	559
	560	/* init input device */
	561	snprintf(ir->name, sizeof(ir->name), "cx88 IR (%s)",
	562	cx88_boards[core->board].name);
41ef7c1e	563	snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0", pci_name(pci));
1da177e4	564
b7df3910 DT	565	ir_input_init(input_dev, &ir->ir, ir_type, ir_codes);
	566	input_dev->name = ir->name;
	567	input_dev->phys = ir->phys;
	568	input_dev->id.bustype = BUS_PCI;
	569	input_dev->id.version = 1;
1da177e4	570	if (pci->subsystem_vendor) {
b7df3910 DT	571	input_dev->id.vendor = pci->subsystem_vendor;
b7df3910 DT	572	input_dev->id.product = pci->subsystem_device;
1da177e4	573	} else {
b7df3910 DT	574	input_dev->id.vendor = pci->vendor;
b7df3910 DT	575	input_dev->id.product = pci->device;
1da177e4	576	}
b7df3910	577	input_dev->cdev.dev = &pci->dev;
1da177e4 LT	578	/* record handles to ourself */
	579	ir->core = core;
	580	core->ir = ir;
	581
	582	if (ir->polling) {
	583	INIT_WORK(&ir->work, cx88_ir_work, ir);
	584	init_timer(&ir->timer);
	585	ir->timer.function = ir_timer;
41ef7c1e	586	ir->timer.data = (unsigned long)ir;
1da177e4 LT	587	schedule_work(&ir->work);
	588	}
	589	if (ir->sampling) {
41ef7c1e MCC	590	core->pci_irqmask \|= (1 << 18); /* IR_SMP_INT */
	591	cx_write(MO_DDS_IO, 0xa80a80); /* 4 kHz sample rate */
	592	cx_write(MO_DDSCFG_IO, 0x5); /* enable */
1da177e4 LT	593	}
	594
	595	/* all done */
b7df3910	596	input_register_device(ir->input);
1da177e4 LT	597
	598	return 0;
	599	}
	600
	601	int cx88_ir_fini(struct cx88_core *core)
	602	{
	603	struct cx88_IR *ir = core->ir;
	604
	605	/* skip detach on non attached boards */
	606	if (NULL == ir)
	607	return 0;
	608
fc40b261 CP	609	if (ir->sampling) {
	610	cx_write(MO_DDSCFG_IO, 0x0);
	611	core->pci_irqmask &= ~(1 << 18);
	612	}
1da177e4 LT	613	if (ir->polling) {
	614	del_timer(&ir->timer);
	615	flush_scheduled_work();
	616	}
	617
b7df3910	618	input_unregister_device(ir->input);
1da177e4 LT	619	kfree(ir);
	620
	621	/* done */
	622	core->ir = NULL;
	623	return 0;
	624	}
	625
	626	/* ---------------------------------------------------------------------- */
	627
	628	void cx88_ir_irq(struct cx88_core *core)
	629	{
	630	struct cx88_IR *ir = core->ir;
e52e98a7	631	u32 samples, ircode;
1da177e4 LT	632	int i;
	633
	634	if (NULL == ir)
	635	return;
	636	if (!ir->sampling)
	637	return;
	638
	639	samples = cx_read(MO_SAMPLE_IO);
41ef7c1e	640	if (0 != samples && 0xffffffff != samples) {
1da177e4 LT	641	/* record sample data */
	642	if (ir->scount < ARRAY_SIZE(ir->samples))
	643	ir->samples[ir->scount++] = samples;
	644	return;
	645	}
	646	if (!ir->scount) {
	647	/* nothing to sample */
41ef7c1e	648	if (ir->ir.keypressed && time_after(jiffies, ir->release))
b7df3910	649	ir_input_nokey(ir->input, &ir->ir);
1da177e4 LT	650	return;
	651	}
	652
	653	/* have a complete sample */
	654	if (ir->scount < ARRAY_SIZE(ir->samples))
	655	ir->samples[ir->scount++] = samples;
	656	for (i = 0; i < ir->scount; i++)
	657	ir->samples[i] = ~ir->samples[i];
	658	if (ir_debug)
41ef7c1e	659	ir_dump_samples(ir->samples, ir->scount);
1da177e4 LT	660
	661	/* decode it */
	662	switch (core->board) {
e52e98a7	663	case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1:
fc40b261	664	case CX88_BOARD_DNTV_LIVE_DVB_T_PRO:
e52e98a7 MCC	665	ircode = ir_decode_pulsedistance(ir->samples, ir->scount, 1, 4);
	666
	667	if (ircode == 0xffffffff) { /* decoding error */
	668	ir_dprintk("pulse distance decoding error\n");
	669	break;
	670	}
	671
	672	ir_dprintk("pulse distance decoded: %x\n", ircode);
	673
	674	if (ircode == 0) { /* key still pressed */
	675	ir_dprintk("pulse distance decoded repeat code\n");
	676	ir->release = jiffies + msecs_to_jiffies(120);
	677	break;
	678	}
	679
fc40b261	680	if ((ircode & 0xffff) != (ir->sampling & 0xffff)) { /* wrong address */
e52e98a7	681	ir_dprintk("pulse distance decoded wrong address\n");
4ac97914	682	break;
e52e98a7 MCC	683	}
	684
	685	if (((~ircode >> 24) & 0xff) != ((ircode >> 16) & 0xff)) { /* wrong checksum */
	686	ir_dprintk("pulse distance decoded wrong check sum\n");
	687	break;
	688	}
	689
	690	ir_dprintk("Key Code: %x\n", (ircode >> 16) & 0x7f);
	691
b7df3910	692	ir_input_keydown(ir->input, &ir->ir, (ircode >> 16) & 0x7f, (ircode >> 16) & 0xff);
e52e98a7 MCC	693	ir->release = jiffies + msecs_to_jiffies(120);
e52e98a7 MCC	694	break;
1da177e4 LT	695	case CX88_BOARD_HAUPPAUGE:
1da177e4 LT	696	case CX88_BOARD_HAUPPAUGE_DVB_T1:
fb56cb65 ST	697	case CX88_BOARD_HAUPPAUGE_NOVASE2_S1:
fb56cb65 ST	698	case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1:
e52e98a7 MCC	699	ircode = ir_decode_biphase(ir->samples, ir->scount, 5, 7);
	700	ir_dprintk("biphase decoded: %x\n", ircode);
	701	if ((ircode & 0xfffff000) != 0x3000)
1da177e4	702	break;
b7df3910	703	ir_input_keydown(ir->input, &ir->ir, ircode & 0x3f, ircode);
1da177e4 LT	704	ir->release = jiffies + msecs_to_jiffies(120);
	705	break;
	706	}
	707
	708	ir->scount = 0;
	709	return;
	710	}
	711
	712	/* ---------------------------------------------------------------------- */
	713
	714	MODULE_AUTHOR("Gerd Knorr, Pavel Machek, Chris Pascoe");
	715	MODULE_DESCRIPTION("input driver for cx88 GPIO-based IR remote controls");
	716	MODULE_LICENSE("GPL");
1da177e4 LT	717	/*
	718	* Local variables:
	719	* c-basic-offset: 8
	720	* End:
	721	*/