[net-next-2.6.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>

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

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, auxgpio;

	/* read gpio value */
	gpio = cx_read(ir->gpio_addr);
	if (core->board == CX88_BOARD_NPGTECH_REALTV_TOP10FM) {
		/* This board apparently uses a combination of 2 GPIO
		   to represent the keys. Additionally, the second GPIO
		   can be used for parity.

		   Example:

		   for key "5"
			gpio = 0x758, auxgpio = 0xe5 or 0xf5
		   for key "Power"
			gpio = 0x758, auxgpio = 0xed or 0xfd
		 */

		auxgpio = cx_read(MO_GP1_IO);
		/* Take out the parity part */
		gpio=(gpio & 0x7fd) + (auxgpio & 0xef);
	} else
		auxgpio = gpio;

	if (ir->polling) {
		if (ir->last_gpio == auxgpio)
			return;
		ir->last_gpio = auxgpio;
	}

	/* 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->core->board == CX88_BOARD_NORWOOD_MICRO) {
		u32 gpio_key = cx_read(MO_GP0_IO);

		data = (data << 4) | ((gpio_key & 0xf0) >> 4);

		ir_input_keydown(ir->input, &ir->ir, data, data);
		ir_input_nokey(ir->input, &ir->ir);

	} else 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:
	case CX88_BOARD_KWORLD_DVB_T_CX22702:
		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:
	case CX88_BOARD_HAUPPAUGE_HVR1300:
		ir_codes = ir_codes_hauppauge_new;
		ir_type = IR_TYPE_RC5;
		ir->sampling = 1;
		break;
	case CX88_BOARD_WINFAST_DTV2000H:
	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 = 50; /* 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_PROLINK_PLAYTVPVR:
	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_KWORLD_LTV883:
		ir_codes = ir_codes_pixelview;
		ir->gpio_addr = MO_GP1_IO;
		ir->mask_keycode = 0x1f;
		ir->mask_keyup = 0x60;
		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:
	case CX88_BOARD_AVERTV_STUDIO_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;
	case CX88_BOARD_NORWOOD_MICRO:
		ir_codes         = ir_codes_norwood;
		ir->gpio_addr    = MO_GP1_IO;
		ir->mask_keycode = 0x0e;
		ir->mask_keyup   = 0x80;
		ir->polling      = 50; /* ms */
		break;
	case CX88_BOARD_NPGTECH_REALTV_TOP10FM:
		ir_codes = ir_codes_npgtech;
		ir->gpio_addr = MO_GP0_IO;
		ir->mask_keycode = 0xfa;
		ir->polling = 50; /* 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->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:
	case CX88_BOARD_HAUPPAUGE_HVR1100:
	case CX88_BOARD_HAUPPAUGE_HVR1300:
		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
1da177e4	37	struct cx88_IR {
41ef7c1e	38	struct cx88_core *core;
b7df3910	39	struct input_dev *input;
41ef7c1e MCC	40	struct ir_input_state ir;
	41	char name[32];
	42	char phys[32];
1da177e4 LT	43
1da177e4 LT	44	/* sample from gpio pin 16 */
fc40b261	45	u32 sampling;
41ef7c1e MCC	46	u32 samples[16];
	47	int scount;
	48	unsigned long release;
1da177e4 LT	49
1da177e4 LT	50	/* poll external decoder */
41ef7c1e MCC	51	int polling;
	52	struct work_struct work;
	53	struct timer_list timer;
	54	u32 gpio_addr;
	55	u32 last_gpio;
	56	u32 mask_keycode;
	57	u32 mask_keydown;
	58	u32 mask_keyup;
1da177e4 LT	59	};
	60
	61	static int ir_debug = 0;
41ef7c1e	62	module_param(ir_debug, int, 0644); /* debug level [IR] */
1da177e4 LT	63	MODULE_PARM_DESC(ir_debug, "enable debug messages [IR]");
	64
	65	#define ir_dprintk(fmt, arg...) if (ir_debug) \
e52e98a7	66	printk(KERN_DEBUG "%s IR: " fmt , ir->core->name , ##arg)
1da177e4 LT	67
	68	/* ---------------------------------------------------------------------- */
	69
	70	static void cx88_ir_handle_key(struct cx88_IR *ir)
	71	{
	72	struct cx88_core *core = ir->core;
680543c5	73	u32 gpio, data, auxgpio;
1da177e4 LT	74
	75	/* read gpio value */
	76	gpio = cx_read(ir->gpio_addr);
be4f4519	77	if (core->board == CX88_BOARD_NPGTECH_REALTV_TOP10FM) {
680543c5 RC	78	/* This board apparently uses a combination of 2 GPIO
	79	to represent the keys. Additionally, the second GPIO
	80	can be used for parity.
	81
	82	Example:
	83
	84	for key "5"
	85	gpio = 0x758, auxgpio = 0xe5 or 0xf5
	86	for key "Power"
	87	gpio = 0x758, auxgpio = 0xed or 0xfd
	88	*/
	89
	90	auxgpio = cx_read(MO_GP1_IO);
	91	/* Take out the parity part */
a62c61d3	92	gpio=(gpio & 0x7fd) + (auxgpio & 0xef);
680543c5 RC	93	} else
	94	auxgpio = gpio;
	95
1da177e4	96	if (ir->polling) {
680543c5	97	if (ir->last_gpio == auxgpio)
1da177e4	98	return;
680543c5	99	ir->last_gpio = auxgpio;
1da177e4 LT	100	}
	101
	102	/* extract data */
	103	data = ir_extract_bits(gpio, ir->mask_keycode);
	104	ir_dprintk("irq gpio=0x%x code=%d \| %s%s%s\n",
41ef7c1e MCC	105	gpio, data,
	106	ir->polling ? "poll" : "irq",
	107	(gpio & ir->mask_keydown) ? " down" : "",
	108	(gpio & ir->mask_keyup) ? " up" : "");
1da177e4	109
d1009bd7 PN	110	if (ir->core->board == CX88_BOARD_NORWOOD_MICRO) {
	111	u32 gpio_key = cx_read(MO_GP0_IO);
	112
	113	data = (data << 4) \| ((gpio_key & 0xf0) >> 4);
	114
	115	ir_input_keydown(ir->input, &ir->ir, data, data);
	116	ir_input_nokey(ir->input, &ir->ir);
	117
	118	} else if (ir->mask_keydown) {
1da177e4 LT	119	/* bit set on keydown */
1da177e4 LT	120	if (gpio & ir->mask_keydown) {
b7df3910	121	ir_input_keydown(ir->input, &ir->ir, data, data);
1da177e4	122	} else {
b7df3910	123	ir_input_nokey(ir->input, &ir->ir);
1da177e4 LT	124	}
	125
	126	} else if (ir->mask_keyup) {
	127	/* bit cleared on keydown */
	128	if (0 == (gpio & ir->mask_keyup)) {
b7df3910	129	ir_input_keydown(ir->input, &ir->ir, data, data);
1da177e4	130	} else {
b7df3910	131	ir_input_nokey(ir->input, &ir->ir);
1da177e4 LT	132	}
	133
	134	} else {
	135	/* can't distinguish keydown/up :-/ */
b7df3910 DT	136	ir_input_keydown(ir->input, &ir->ir, data, data);
b7df3910 DT	137	ir_input_nokey(ir->input, &ir->ir);
1da177e4 LT	138	}
	139	}
	140
	141	static void ir_timer(unsigned long data)
	142	{
41ef7c1e	143	struct cx88_IR ir = (struct cx88_IR )data;
1da177e4 LT	144
	145	schedule_work(&ir->work);
	146	}
	147
	148	static void cx88_ir_work(void *data)
	149	{
	150	struct cx88_IR *ir = data;
	151	unsigned long timeout;
	152
	153	cx88_ir_handle_key(ir);
	154	timeout = jiffies + (ir->polling * HZ / 1000);
	155	mod_timer(&ir->timer, timeout);
	156	}
	157
	158	/* ---------------------------------------------------------------------- */
	159
	160	int cx88_ir_init(struct cx88_core core, struct pci_dev pci)
	161	{
	162	struct cx88_IR *ir;
b7df3910	163	struct input_dev *input_dev;
1da177e4 LT	164	IR_KEYTAB_TYPE *ir_codes = NULL;
	165	int ir_type = IR_TYPE_OTHER;
	166
b7df3910 DT	167	ir = kzalloc(sizeof(*ir), GFP_KERNEL);
	168	input_dev = input_allocate_device();
	169	if (!ir \|\| !input_dev) {
	170	kfree(ir);
	171	input_free_device(input_dev);
1da177e4	172	return -ENOMEM;
b7df3910 DT	173	}
	174
	175	ir->input = input_dev;
1da177e4 LT	176
	177	/* detect & configure */
	178	switch (core->board) {
	179	case CX88_BOARD_DNTV_LIVE_DVB_T:
b45009b0	180	case CX88_BOARD_KWORLD_DVB_T:
28ecc449	181	case CX88_BOARD_KWORLD_DVB_T_CX22702:
41ef7c1e MCC	182	ir_codes = ir_codes_dntv_live_dvb_t;
41ef7c1e MCC	183	ir->gpio_addr = MO_GP1_IO;
1da177e4	184	ir->mask_keycode = 0x1f;
41ef7c1e MCC	185	ir->mask_keyup = 0x60;
41ef7c1e MCC	186	ir->polling = 50; /* ms */
1da177e4	187	break;
e52e98a7 MCC	188	case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1:
	189	ir_codes = ir_codes_cinergy_1400;
	190	ir_type = IR_TYPE_PD;
fc40b261	191	ir->sampling = 0xeb04; /* address */
e52e98a7	192	break;
1da177e4 LT	193	case CX88_BOARD_HAUPPAUGE:
1da177e4 LT	194	case CX88_BOARD_HAUPPAUGE_DVB_T1:
fb56cb65 ST	195	case CX88_BOARD_HAUPPAUGE_NOVASE2_S1:
fb56cb65 ST	196	case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1:
611900c1	197	case CX88_BOARD_HAUPPAUGE_HVR1100:
aa481a65	198	case CX88_BOARD_HAUPPAUGE_HVR1300:
41ef7c1e MCC	199	ir_codes = ir_codes_hauppauge_new;
	200	ir_type = IR_TYPE_RC5;
	201	ir->sampling = 1;
1da177e4	202	break;
2de873e6	203	case CX88_BOARD_WINFAST_DTV2000H:
1da177e4	204	case CX88_BOARD_WINFAST2000XP_EXPERT:
41ef7c1e MCC	205	ir_codes = ir_codes_winfast;
41ef7c1e MCC	206	ir->gpio_addr = MO_GP0_IO;
1da177e4	207	ir->mask_keycode = 0x8f8;
41ef7c1e	208	ir->mask_keyup = 0x100;
2de873e6	209	ir->polling = 50; /* ms */
1da177e4 LT	210	break;
1da177e4 LT	211	case CX88_BOARD_IODATA_GVBCTV7E:
41ef7c1e MCC	212	ir_codes = ir_codes_iodata_bctv7e;
41ef7c1e MCC	213	ir->gpio_addr = MO_GP0_IO;
1da177e4 LT	214	ir->mask_keycode = 0xfd;
1da177e4 LT	215	ir->mask_keydown = 0x02;
41ef7c1e	216	ir->polling = 5; /* ms */
1da177e4	217	break;
a5daecba	218	case CX88_BOARD_PROLINK_PLAYTVPVR:
239df2e2	219	case CX88_BOARD_PIXELVIEW_PLAYTV_ULTRA_PRO:
41ef7c1e MCC	220	ir_codes = ir_codes_pixelview;
41ef7c1e MCC	221	ir->gpio_addr = MO_GP1_IO;
239df2e2	222	ir->mask_keycode = 0x1f;
41ef7c1e MCC	223	ir->mask_keyup = 0x80;
41ef7c1e MCC	224	ir->polling = 1; /* ms */
239df2e2	225	break;
b639f9d2 NS	226	case CX88_BOARD_KWORLD_LTV883:
	227	ir_codes = ir_codes_pixelview;
	228	ir->gpio_addr = MO_GP1_IO;
	229	ir->mask_keycode = 0x1f;
	230	ir->mask_keyup = 0x60;
	231	ir->polling = 1; /* ms */
	232	break;
a82decf6	233	case CX88_BOARD_ADSTECH_DVB_T_PCI:
41ef7c1e MCC	234	ir_codes = ir_codes_adstech_dvb_t_pci;
41ef7c1e MCC	235	ir->gpio_addr = MO_GP1_IO;
a82decf6	236	ir->mask_keycode = 0xbf;
41ef7c1e MCC	237	ir->mask_keyup = 0x40;
	238	ir->polling = 50; /* ms */
	239	break;
	240	case CX88_BOARD_MSI_TVANYWHERE_MASTER:
	241	ir_codes = ir_codes_msi_tvanywhere;
	242	ir->gpio_addr = MO_GP1_IO;
	243	ir->mask_keycode = 0x1f;
	244	ir->mask_keyup = 0x40;
	245	ir->polling = 1; /* ms */
a82decf6	246	break;
899ad11b	247	case CX88_BOARD_AVERTV_303:
565f4949	248	case CX88_BOARD_AVERTV_STUDIO_303:
899ad11b GG	249	ir_codes = ir_codes_avertv_303;
	250	ir->gpio_addr = MO_GP2_IO;
	251	ir->mask_keycode = 0xfb;
	252	ir->mask_keydown = 0x02;
	253	ir->polling = 50; /* ms */
	254	break;
fc40b261 CP	255	case CX88_BOARD_DNTV_LIVE_DVB_T_PRO:
	256	ir_codes = ir_codes_dntv_live_dvbt_pro;
	257	ir_type = IR_TYPE_PD;
	258	ir->sampling = 0xff00; /* address */
	259	break;
d1009bd7 PN	260	case CX88_BOARD_NORWOOD_MICRO:
	261	ir_codes = ir_codes_norwood;
	262	ir->gpio_addr = MO_GP1_IO;
	263	ir->mask_keycode = 0x0e;
	264	ir->mask_keyup = 0x80;
	265	ir->polling = 50; /* ms */
	266	break;
be4f4519	267	case CX88_BOARD_NPGTECH_REALTV_TOP10FM:
680543c5 RC	268	ir_codes = ir_codes_npgtech;
	269	ir->gpio_addr = MO_GP0_IO;
	270	ir->mask_keycode = 0xfa;
	271	ir->polling = 50; /* ms */
	272	break;
1da177e4	273	}
b45009b0	274
1da177e4 LT	275	if (NULL == ir_codes) {
1da177e4 LT	276	kfree(ir);
b7df3910	277	input_free_device(input_dev);
1da177e4 LT	278	return -ENODEV;
	279	}
	280
	281	/* init input device */
	282	snprintf(ir->name, sizeof(ir->name), "cx88 IR (%s)",
	283	cx88_boards[core->board].name);
41ef7c1e	284	snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0", pci_name(pci));
1da177e4	285
b7df3910 DT	286	ir_input_init(input_dev, &ir->ir, ir_type, ir_codes);
	287	input_dev->name = ir->name;
	288	input_dev->phys = ir->phys;
	289	input_dev->id.bustype = BUS_PCI;
	290	input_dev->id.version = 1;
1da177e4	291	if (pci->subsystem_vendor) {
b7df3910 DT	292	input_dev->id.vendor = pci->subsystem_vendor;
b7df3910 DT	293	input_dev->id.product = pci->subsystem_device;
1da177e4	294	} else {
b7df3910 DT	295	input_dev->id.vendor = pci->vendor;
b7df3910 DT	296	input_dev->id.product = pci->device;
1da177e4	297	}
b7df3910	298	input_dev->cdev.dev = &pci->dev;
1da177e4 LT	299	/* record handles to ourself */
	300	ir->core = core;
	301	core->ir = ir;
	302
	303	if (ir->polling) {
	304	INIT_WORK(&ir->work, cx88_ir_work, ir);
	305	init_timer(&ir->timer);
	306	ir->timer.function = ir_timer;
41ef7c1e	307	ir->timer.data = (unsigned long)ir;
1da177e4 LT	308	schedule_work(&ir->work);
	309	}
	310	if (ir->sampling) {
41ef7c1e MCC	311	core->pci_irqmask \|= (1 << 18); /* IR_SMP_INT */
	312	cx_write(MO_DDS_IO, 0xa80a80); /* 4 kHz sample rate */
	313	cx_write(MO_DDSCFG_IO, 0x5); /* enable */
1da177e4 LT	314	}
	315
	316	/* all done */
b7df3910	317	input_register_device(ir->input);
1da177e4 LT	318
	319	return 0;
	320	}
	321
	322	int cx88_ir_fini(struct cx88_core *core)
	323	{
	324	struct cx88_IR *ir = core->ir;
	325
	326	/* skip detach on non attached boards */
	327	if (NULL == ir)
	328	return 0;
	329
fc40b261 CP	330	if (ir->sampling) {
	331	cx_write(MO_DDSCFG_IO, 0x0);
	332	core->pci_irqmask &= ~(1 << 18);
	333	}
1da177e4 LT	334	if (ir->polling) {
	335	del_timer(&ir->timer);
	336	flush_scheduled_work();
	337	}
	338
b7df3910	339	input_unregister_device(ir->input);
1da177e4 LT	340	kfree(ir);
	341
	342	/* done */
	343	core->ir = NULL;
	344	return 0;
	345	}
	346
	347	/* ---------------------------------------------------------------------- */
	348
	349	void cx88_ir_irq(struct cx88_core *core)
	350	{
	351	struct cx88_IR *ir = core->ir;
e52e98a7	352	u32 samples, ircode;
1da177e4 LT	353	int i;
	354
	355	if (NULL == ir)
	356	return;
	357	if (!ir->sampling)
	358	return;
	359
	360	samples = cx_read(MO_SAMPLE_IO);
41ef7c1e	361	if (0 != samples && 0xffffffff != samples) {
1da177e4 LT	362	/* record sample data */
	363	if (ir->scount < ARRAY_SIZE(ir->samples))
	364	ir->samples[ir->scount++] = samples;
	365	return;
	366	}
	367	if (!ir->scount) {
	368	/* nothing to sample */
41ef7c1e	369	if (ir->ir.keypressed && time_after(jiffies, ir->release))
b7df3910	370	ir_input_nokey(ir->input, &ir->ir);
1da177e4 LT	371	return;
	372	}
	373
	374	/* have a complete sample */
	375	if (ir->scount < ARRAY_SIZE(ir->samples))
	376	ir->samples[ir->scount++] = samples;
	377	for (i = 0; i < ir->scount; i++)
	378	ir->samples[i] = ~ir->samples[i];
	379	if (ir_debug)
41ef7c1e	380	ir_dump_samples(ir->samples, ir->scount);
1da177e4 LT	381
	382	/* decode it */
	383	switch (core->board) {
e52e98a7	384	case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1:
fc40b261	385	case CX88_BOARD_DNTV_LIVE_DVB_T_PRO:
e52e98a7 MCC	386	ircode = ir_decode_pulsedistance(ir->samples, ir->scount, 1, 4);
	387
	388	if (ircode == 0xffffffff) { /* decoding error */
	389	ir_dprintk("pulse distance decoding error\n");
	390	break;
	391	}
	392
	393	ir_dprintk("pulse distance decoded: %x\n", ircode);
	394
	395	if (ircode == 0) { /* key still pressed */
	396	ir_dprintk("pulse distance decoded repeat code\n");
	397	ir->release = jiffies + msecs_to_jiffies(120);
	398	break;
	399	}
	400
fc40b261	401	if ((ircode & 0xffff) != (ir->sampling & 0xffff)) { /* wrong address */
e52e98a7	402	ir_dprintk("pulse distance decoded wrong address\n");
4ac97914	403	break;
e52e98a7 MCC	404	}
	405
	406	if (((~ircode >> 24) & 0xff) != ((ircode >> 16) & 0xff)) { /* wrong checksum */
	407	ir_dprintk("pulse distance decoded wrong check sum\n");
	408	break;
	409	}
	410
	411	ir_dprintk("Key Code: %x\n", (ircode >> 16) & 0x7f);
	412
b7df3910	413	ir_input_keydown(ir->input, &ir->ir, (ircode >> 16) & 0x7f, (ircode >> 16) & 0xff);
e52e98a7 MCC	414	ir->release = jiffies + msecs_to_jiffies(120);
e52e98a7 MCC	415	break;
1da177e4 LT	416	case CX88_BOARD_HAUPPAUGE:
1da177e4 LT	417	case CX88_BOARD_HAUPPAUGE_DVB_T1:
fb56cb65 ST	418	case CX88_BOARD_HAUPPAUGE_NOVASE2_S1:
fb56cb65 ST	419	case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1:
30367bfd	420	case CX88_BOARD_HAUPPAUGE_HVR1100:
aa481a65	421	case CX88_BOARD_HAUPPAUGE_HVR1300:
e52e98a7 MCC	422	ircode = ir_decode_biphase(ir->samples, ir->scount, 5, 7);
	423	ir_dprintk("biphase decoded: %x\n", ircode);
	424	if ((ircode & 0xfffff000) != 0x3000)
1da177e4	425	break;
b7df3910	426	ir_input_keydown(ir->input, &ir->ir, ircode & 0x3f, ircode);
1da177e4 LT	427	ir->release = jiffies + msecs_to_jiffies(120);
	428	break;
	429	}
	430
	431	ir->scount = 0;
	432	return;
	433	}
	434
	435	/* ---------------------------------------------------------------------- */
	436
	437	MODULE_AUTHOR("Gerd Knorr, Pavel Machek, Chris Pascoe");
	438	MODULE_DESCRIPTION("input driver for cx88 GPIO-based IR remote controls");
	439	MODULE_LICENSE("GPL");
1da177e4 LT	440	/*
	441	* Local variables:
	442	* c-basic-offset: 8
	443	* End:
	444	*/