[mirror_ubuntu-bionic-kernel.git] / drivers / media / usb / dvb-usb / dibusb-common.c

/* Common methods for dibusb-based-receivers.
 *
 * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@posteo.de)
 *
 *	This program is free software; you can redistribute it and/or modify it
 *	under the terms of the GNU General Public License as published by the Free
 *	Software Foundation, version 2.
 *
 * see Documentation/dvb/README.dvb-usb for more information
 */

#include "dibusb.h"

/* Max transfer size done by I2C transfer functions */
#define MAX_XFER_SIZE  64

static int debug;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "set debugging level (1=info (|-able))." DVB_USB_DEBUG_STATUS);
MODULE_LICENSE("GPL");

#define deb_info(args...) dprintk(debug,0x01,args)

/* common stuff used by the different dibusb modules */
int dibusb_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
{
	if (adap->priv != NULL) {
		struct dibusb_state *st = adap->priv;
		if (st->ops.fifo_ctrl != NULL)
			if (st->ops.fifo_ctrl(adap->fe_adap[0].fe, onoff)) {
				err("error while controlling the fifo of the demod.");
				return -ENODEV;
			}
	}
	return 0;
}
EXPORT_SYMBOL(dibusb_streaming_ctrl);

int dibusb_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, int onoff)
{
	if (adap->priv != NULL) {
		struct dibusb_state *st = adap->priv;
		if (st->ops.pid_ctrl != NULL)
			st->ops.pid_ctrl(adap->fe_adap[0].fe,
					 index, pid, onoff);
	}
	return 0;
}
EXPORT_SYMBOL(dibusb_pid_filter);

int dibusb_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
{
	if (adap->priv != NULL) {
		struct dibusb_state *st = adap->priv;
		if (st->ops.pid_parse != NULL)
			if (st->ops.pid_parse(adap->fe_adap[0].fe, onoff) < 0)
				err("could not handle pid_parser");
	}
	return 0;
}
EXPORT_SYMBOL(dibusb_pid_filter_ctrl);

int dibusb_power_ctrl(struct dvb_usb_device *d, int onoff)
{
	u8 *b;
	int ret;

	b = kmalloc(3, GFP_KERNEL);
	if (!b)
		return -ENOMEM;

	b[0] = DIBUSB_REQ_SET_IOCTL;
	b[1] = DIBUSB_IOCTL_CMD_POWER_MODE;
	b[2] = onoff ? DIBUSB_IOCTL_POWER_WAKEUP : DIBUSB_IOCTL_POWER_SLEEP;

	ret = dvb_usb_generic_write(d, b, 3);

	kfree(b);

	msleep(10);

	return ret;
}
EXPORT_SYMBOL(dibusb_power_ctrl);

int dibusb2_0_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
{
	int ret;
	u8 *b;

	b = kmalloc(3, GFP_KERNEL);
	if (!b)
		return -ENOMEM;

	if ((ret = dibusb_streaming_ctrl(adap,onoff)) < 0)
		goto ret;

	if (onoff) {
		b[0] = DIBUSB_REQ_SET_STREAMING_MODE;
		b[1] = 0x00;
		ret = dvb_usb_generic_write(adap->dev, b, 2);
		if (ret  < 0)
			goto ret;
	}

	b[0] = DIBUSB_REQ_SET_IOCTL;
	b[1] = onoff ? DIBUSB_IOCTL_CMD_ENABLE_STREAM : DIBUSB_IOCTL_CMD_DISABLE_STREAM;
	ret = dvb_usb_generic_write(adap->dev, b, 3);

ret:
	kfree(b);
	return ret;
}
EXPORT_SYMBOL(dibusb2_0_streaming_ctrl);

int dibusb2_0_power_ctrl(struct dvb_usb_device *d, int onoff)
{
	u8 *b;
	int ret;

	if (!onoff)
		return 0;

	b = kmalloc(3, GFP_KERNEL);
	if (!b)
		return -ENOMEM;

	b[0] = DIBUSB_REQ_SET_IOCTL;
	b[1] = DIBUSB_IOCTL_CMD_POWER_MODE;
	b[2] = DIBUSB_IOCTL_POWER_WAKEUP;

	ret = dvb_usb_generic_write(d, b, 3);

	kfree(b);

	return ret;
}
EXPORT_SYMBOL(dibusb2_0_power_ctrl);

static int dibusb_i2c_msg(struct dvb_usb_device *d, u8 addr,
			  u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
{
	u8 *sndbuf;
	int ret, wo, len;

	/* write only ? */
	wo = (rbuf == NULL || rlen == 0);

	len = 2 + wlen + (wo ? 0 : 2);

	sndbuf = kmalloc(MAX_XFER_SIZE, GFP_KERNEL);
	if (!sndbuf)
		return -ENOMEM;

	if (4 + wlen > MAX_XFER_SIZE) {
		warn("i2c wr: len=%d is too big!\n", wlen);
		ret = -EOPNOTSUPP;
		goto ret;
	}

	sndbuf[0] = wo ? DIBUSB_REQ_I2C_WRITE : DIBUSB_REQ_I2C_READ;
	sndbuf[1] = (addr << 1) | (wo ? 0 : 1);

	memcpy(&sndbuf[2], wbuf, wlen);

	if (!wo) {
		sndbuf[wlen + 2] = (rlen >> 8) & 0xff;
		sndbuf[wlen + 3] = rlen & 0xff;
	}

	ret = dvb_usb_generic_rw(d, sndbuf, len, rbuf, rlen, 0);

ret:
	kfree(sndbuf);
	return ret;
}

/*
 * I2C master xfer function
 */
static int dibusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
{
	struct dvb_usb_device *d = i2c_get_adapdata(adap);
	int i;

	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
		return -EAGAIN;

	for (i = 0; i < num; i++) {
		/* write/read request */
		if (i+1 < num && (msg[i].flags & I2C_M_RD) == 0
					  && (msg[i+1].flags & I2C_M_RD)) {
			if (dibusb_i2c_msg(d, msg[i].addr, msg[i].buf,msg[i].len,
						msg[i+1].buf,msg[i+1].len) < 0)
				break;
			i++;
		} else if ((msg[i].flags & I2C_M_RD) == 0) {
			if (dibusb_i2c_msg(d, msg[i].addr, msg[i].buf,msg[i].len,NULL,0) < 0)
				break;
		} else if (msg[i].addr != 0x50) {
			/* 0x50 is the address of the eeprom - we need to protect it
			 * from dibusb's bad i2c implementation: reads without
			 * writing the offset before are forbidden */
			if (dibusb_i2c_msg(d, msg[i].addr, NULL, 0, msg[i].buf, msg[i].len) < 0)
				break;
		}
	}

	mutex_unlock(&d->i2c_mutex);
	return i;
}

static u32 dibusb_i2c_func(struct i2c_adapter *adapter)
{
	return I2C_FUNC_I2C;
}

struct i2c_algorithm dibusb_i2c_algo = {
	.master_xfer   = dibusb_i2c_xfer,
	.functionality = dibusb_i2c_func,
};
EXPORT_SYMBOL(dibusb_i2c_algo);

int dibusb_read_eeprom_byte(struct dvb_usb_device *d, u8 offs, u8 *val)
{
	u8 wbuf[1] = { offs };
	return dibusb_i2c_msg(d, 0x50, wbuf, 1, val, 1);
}
EXPORT_SYMBOL(dibusb_read_eeprom_byte);

/*
 * common remote control stuff
 */
struct rc_map_table rc_map_dibusb_table[] = {
	/* Key codes for the little Artec T1/Twinhan/HAMA/ remote. */
	{ 0x0016, KEY_POWER },
	{ 0x0010, KEY_MUTE },
	{ 0x0003, KEY_1 },
	{ 0x0001, KEY_2 },
	{ 0x0006, KEY_3 },
	{ 0x0009, KEY_4 },
	{ 0x001d, KEY_5 },
	{ 0x001f, KEY_6 },
	{ 0x000d, KEY_7 },
	{ 0x0019, KEY_8 },
	{ 0x001b, KEY_9 },
	{ 0x0015, KEY_0 },
	{ 0x0005, KEY_CHANNELUP },
	{ 0x0002, KEY_CHANNELDOWN },
	{ 0x001e, KEY_VOLUMEUP },
	{ 0x000a, KEY_VOLUMEDOWN },
	{ 0x0011, KEY_RECORD },
	{ 0x0017, KEY_FAVORITES }, /* Heart symbol - Channel list. */
	{ 0x0014, KEY_PLAY },
	{ 0x001a, KEY_STOP },
	{ 0x0040, KEY_REWIND },
	{ 0x0012, KEY_FASTFORWARD },
	{ 0x000e, KEY_PREVIOUS }, /* Recall - Previous channel. */
	{ 0x004c, KEY_PAUSE },
	{ 0x004d, KEY_SCREEN }, /* Full screen mode. */
	{ 0x0054, KEY_AUDIO }, /* MTS - Switch to secondary audio. */
	/* additional keys TwinHan VisionPlus, the Artec seemingly not have */
	{ 0x000c, KEY_CANCEL }, /* Cancel */
	{ 0x001c, KEY_EPG }, /* EPG */
	{ 0x0000, KEY_TAB }, /* Tab */
	{ 0x0048, KEY_INFO }, /* Preview */
	{ 0x0004, KEY_LIST }, /* RecordList */
	{ 0x000f, KEY_TEXT }, /* Teletext */
	/* Key codes for the KWorld/ADSTech/JetWay remote. */
	{ 0x8612, KEY_POWER },
	{ 0x860f, KEY_SELECT }, /* source */
	{ 0x860c, KEY_UNKNOWN }, /* scan */
	{ 0x860b, KEY_EPG },
	{ 0x8610, KEY_MUTE },
	{ 0x8601, KEY_1 },
	{ 0x8602, KEY_2 },
	{ 0x8603, KEY_3 },
	{ 0x8604, KEY_4 },
	{ 0x8605, KEY_5 },
	{ 0x8606, KEY_6 },
	{ 0x8607, KEY_7 },
	{ 0x8608, KEY_8 },
	{ 0x8609, KEY_9 },
	{ 0x860a, KEY_0 },
	{ 0x8618, KEY_ZOOM },
	{ 0x861c, KEY_UNKNOWN }, /* preview */
	{ 0x8613, KEY_UNKNOWN }, /* snap */
	{ 0x8600, KEY_UNDO },
	{ 0x861d, KEY_RECORD },
	{ 0x860d, KEY_STOP },
	{ 0x860e, KEY_PAUSE },
	{ 0x8616, KEY_PLAY },
	{ 0x8611, KEY_BACK },
	{ 0x8619, KEY_FORWARD },
	{ 0x8614, KEY_UNKNOWN }, /* pip */
	{ 0x8615, KEY_ESC },
	{ 0x861a, KEY_UP },
	{ 0x861e, KEY_DOWN },
	{ 0x861f, KEY_LEFT },
	{ 0x861b, KEY_RIGHT },

	/* Key codes for the DiBcom MOD3000 remote. */
	{ 0x8000, KEY_MUTE },
	{ 0x8001, KEY_TEXT },
	{ 0x8002, KEY_HOME },
	{ 0x8003, KEY_POWER },

	{ 0x8004, KEY_RED },
	{ 0x8005, KEY_GREEN },
	{ 0x8006, KEY_YELLOW },
	{ 0x8007, KEY_BLUE },

	{ 0x8008, KEY_DVD },
	{ 0x8009, KEY_AUDIO },
	{ 0x800a, KEY_IMAGES },      /* Pictures */
	{ 0x800b, KEY_VIDEO },

	{ 0x800c, KEY_BACK },
	{ 0x800d, KEY_UP },
	{ 0x800e, KEY_RADIO },
	{ 0x800f, KEY_EPG },

	{ 0x8010, KEY_LEFT },
	{ 0x8011, KEY_OK },
	{ 0x8012, KEY_RIGHT },
	{ 0x8013, KEY_UNKNOWN },    /* SAP */

	{ 0x8014, KEY_TV },
	{ 0x8015, KEY_DOWN },
	{ 0x8016, KEY_MENU },       /* DVD Menu */
	{ 0x8017, KEY_LAST },

	{ 0x8018, KEY_RECORD },
	{ 0x8019, KEY_STOP },
	{ 0x801a, KEY_PAUSE },
	{ 0x801b, KEY_PLAY },

	{ 0x801c, KEY_PREVIOUS },
	{ 0x801d, KEY_REWIND },
	{ 0x801e, KEY_FASTFORWARD },
	{ 0x801f, KEY_NEXT},

	{ 0x8040, KEY_1 },
	{ 0x8041, KEY_2 },
	{ 0x8042, KEY_3 },
	{ 0x8043, KEY_CHANNELUP },

	{ 0x8044, KEY_4 },
	{ 0x8045, KEY_5 },
	{ 0x8046, KEY_6 },
	{ 0x8047, KEY_CHANNELDOWN },

	{ 0x8048, KEY_7 },
	{ 0x8049, KEY_8 },
	{ 0x804a, KEY_9 },
	{ 0x804b, KEY_VOLUMEUP },

	{ 0x804c, KEY_CLEAR },
	{ 0x804d, KEY_0 },
	{ 0x804e, KEY_ENTER },
	{ 0x804f, KEY_VOLUMEDOWN },
};
EXPORT_SYMBOL(rc_map_dibusb_table);

int dibusb_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
{
	u8 *buf;
	int ret;

	buf = kmalloc(5, GFP_KERNEL);
	if (!buf)
		return -ENOMEM;

	buf[0] = DIBUSB_REQ_POLL_REMOTE;

	ret = dvb_usb_generic_rw(d, buf, 1, buf, 5, 0);
	if (ret < 0)
		goto ret;

	dvb_usb_nec_rc_key_to_event(d, buf, event, state);

	if (buf[0] != 0)
		deb_info("key: %*ph\n", 5, buf);

	kfree(buf);

ret:
	return ret;
}
EXPORT_SYMBOL(dibusb_rc_query);
Commit	Line	Data
776338e1 JS	1	/* Common methods for dibusb-based-receivers.
776338e1 JS	2	*
99e44da7	3	* Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@posteo.de)
776338e1 JS	4	*
	5	* This program is free software; you can redistribute it and/or modify it
	6	* under the terms of the GNU General Public License as published by the Free
	7	* Software Foundation, version 2.
	8	*
	9	* see Documentation/dvb/README.dvb-usb for more information
	10	*/
028c70ff	11
776338e1 JS	12	#include "dibusb.h"
776338e1 JS	13
1d7fa359 MCC	14	/* Max transfer size done by I2C transfer functions */
	15	#define MAX_XFER_SIZE 64
	16
776338e1 JS	17	static int debug;
	18	module_param(debug, int, 0644);
	19	MODULE_PARM_DESC(debug, "set debugging level (1=info (\|-able))." DVB_USB_DEBUG_STATUS);
	20	MODULE_LICENSE("GPL");
	21
	22	#define deb_info(args...) dprintk(debug,0x01,args)
	23
	24	/* common stuff used by the different dibusb modules */
4d43e13f	25	int dibusb_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
776338e1	26	{
4d43e13f PB	27	if (adap->priv != NULL) {
4d43e13f PB	28	struct dibusb_state *st = adap->priv;
363bbf42	29	if (st->ops.fifo_ctrl != NULL)
b6bd5de2	30	if (st->ops.fifo_ctrl(adap->fe_adap[0].fe, onoff)) {
776338e1 JS	31	err("error while controlling the fifo of the demod.");
	32	return -ENODEV;
	33	}
	34	}
	35	return 0;
	36	}
	37	EXPORT_SYMBOL(dibusb_streaming_ctrl);
	38
4d43e13f	39	int dibusb_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, int onoff)
776338e1	40	{
4d43e13f PB	41	if (adap->priv != NULL) {
4d43e13f PB	42	struct dibusb_state *st = adap->priv;
363bbf42	43	if (st->ops.pid_ctrl != NULL)
b6bd5de2 MK	44	st->ops.pid_ctrl(adap->fe_adap[0].fe,
b6bd5de2 MK	45	index, pid, onoff);
776338e1 JS	46	}
	47	return 0;
	48	}
	49	EXPORT_SYMBOL(dibusb_pid_filter);
	50
4d43e13f	51	int dibusb_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
776338e1	52	{
4d43e13f PB	53	if (adap->priv != NULL) {
4d43e13f PB	54	struct dibusb_state *st = adap->priv;
363bbf42	55	if (st->ops.pid_parse != NULL)
b6bd5de2	56	if (st->ops.pid_parse(adap->fe_adap[0].fe, onoff) < 0)
776338e1 JS	57	err("could not handle pid_parser");
	58	}
	59	return 0;
	60	}
	61	EXPORT_SYMBOL(dibusb_pid_filter_ctrl);
	62
	63	int dibusb_power_ctrl(struct dvb_usb_device *d, int onoff)
	64	{
426398b1	65	u8 *b;
776338e1	66	int ret;
426398b1 MCC	67
	68	b = kmalloc(3, GFP_KERNEL);
	69	if (!b)
	70	return -ENOMEM;
	71
776338e1 JS	72	b[0] = DIBUSB_REQ_SET_IOCTL;
	73	b[1] = DIBUSB_IOCTL_CMD_POWER_MODE;
	74	b[2] = onoff ? DIBUSB_IOCTL_POWER_WAKEUP : DIBUSB_IOCTL_POWER_SLEEP;
426398b1 MCC	75
	76	ret = dvb_usb_generic_write(d, b, 3);
	77
	78	kfree(b);
	79
776338e1	80	msleep(10);
426398b1	81
776338e1 JS	82	return ret;
	83	}
	84	EXPORT_SYMBOL(dibusb_power_ctrl);
	85
4d43e13f	86	int dibusb2_0_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
776338e1	87	{
8126fdbc	88	int ret;
426398b1 MCC	89	u8 *b;
	90
	91	b = kmalloc(3, GFP_KERNEL);
	92	if (!b)
	93	return -ENOMEM;
8126fdbc	94
4d43e13f	95	if ((ret = dibusb_streaming_ctrl(adap,onoff)) < 0)
426398b1	96	goto ret;
776338e1	97
8126fdbc PB	98	if (onoff) {
	99	b[0] = DIBUSB_REQ_SET_STREAMING_MODE;
	100	b[1] = 0x00;
426398b1 MCC	101	ret = dvb_usb_generic_write(adap->dev, b, 2);
	102	if (ret < 0)
	103	goto ret;
8126fdbc	104	}
776338e1	105
8126fdbc PB	106	b[0] = DIBUSB_REQ_SET_IOCTL;
8126fdbc PB	107	b[1] = onoff ? DIBUSB_IOCTL_CMD_ENABLE_STREAM : DIBUSB_IOCTL_CMD_DISABLE_STREAM;
426398b1 MCC	108	ret = dvb_usb_generic_write(adap->dev, b, 3);
	109
	110	ret:
	111	kfree(b);
	112	return ret;
776338e1 JS	113	}
	114	EXPORT_SYMBOL(dibusb2_0_streaming_ctrl);
	115
	116	int dibusb2_0_power_ctrl(struct dvb_usb_device *d, int onoff)
	117	{
426398b1 MCC	118	u8 *b;
	119	int ret;
	120
	121	if (!onoff)
776338e1	122	return 0;
426398b1 MCC	123
	124	b = kmalloc(3, GFP_KERNEL);
	125	if (!b)
	126	return -ENOMEM;
	127
	128	b[0] = DIBUSB_REQ_SET_IOCTL;
	129	b[1] = DIBUSB_IOCTL_CMD_POWER_MODE;
	130	b[2] = DIBUSB_IOCTL_POWER_WAKEUP;
	131
	132	ret = dvb_usb_generic_write(d, b, 3);
	133
	134	kfree(b);
	135
	136	return ret;
776338e1 JS	137	}
	138	EXPORT_SYMBOL(dibusb2_0_power_ctrl);
	139
	140	static int dibusb_i2c_msg(struct dvb_usb_device *d, u8 addr,
	141	u8 wbuf, u16 wlen, u8 rbuf, u16 rlen)
	142	{
426398b1 MCC	143	u8 *sndbuf;
	144	int ret, wo, len;
	145
776338e1	146	/* write only ? */
426398b1 MCC	147	wo = (rbuf == NULL \|\| rlen == 0);
	148
	149	len = 2 + wlen + (wo ? 0 : 2);
776338e1	150
426398b1 MCC	151	sndbuf = kmalloc(MAX_XFER_SIZE, GFP_KERNEL);
	152	if (!sndbuf)
	153	return -ENOMEM;
776338e1	154
426398b1	155	if (4 + wlen > MAX_XFER_SIZE) {
1d7fa359	156	warn("i2c wr: len=%d is too big!\n", wlen);
426398b1 MCC	157	ret = -EOPNOTSUPP;
426398b1 MCC	158	goto ret;
1d7fa359 MCC	159	}
1d7fa359 MCC	160
776338e1 JS	161	sndbuf[0] = wo ? DIBUSB_REQ_I2C_WRITE : DIBUSB_REQ_I2C_READ;
	162	sndbuf[1] = (addr << 1) \| (wo ? 0 : 1);
	163
426398b1	164	memcpy(&sndbuf[2], wbuf, wlen);
776338e1 JS	165
776338e1 JS	166	if (!wo) {
426398b1 MCC	167	sndbuf[wlen + 2] = (rlen >> 8) & 0xff;
426398b1 MCC	168	sndbuf[wlen + 3] = rlen & 0xff;
776338e1 JS	169	}
776338e1 JS	170
426398b1 MCC	171	ret = dvb_usb_generic_rw(d, sndbuf, len, rbuf, rlen, 0);
	172
	173	ret:
	174	kfree(sndbuf);
	175	return ret;
776338e1 JS	176	}
	177
	178	/*
	179	* I2C master xfer function
	180	*/
	181	static int dibusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
	182	{
	183	struct dvb_usb_device *d = i2c_get_adapdata(adap);
	184	int i;
	185
3593cab5	186	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
776338e1 JS	187	return -EAGAIN;
776338e1 JS	188
776338e1 JS	189	for (i = 0; i < num; i++) {
776338e1 JS	190	/* write/read request */
81dae671 MC	191	if (i+1 < num && (msg[i].flags & I2C_M_RD) == 0
81dae671 MC	192	&& (msg[i+1].flags & I2C_M_RD)) {
776338e1 JS	193	if (dibusb_i2c_msg(d, msg[i].addr, msg[i].buf,msg[i].len,
	194	msg[i+1].buf,msg[i+1].len) < 0)
	195	break;
	196	i++;
81dae671	197	} else if ((msg[i].flags & I2C_M_RD) == 0) {
776338e1 JS	198	if (dibusb_i2c_msg(d, msg[i].addr, msg[i].buf,msg[i].len,NULL,0) < 0)
776338e1 JS	199	break;
38ffcd10 PB	200	} else if (msg[i].addr != 0x50) {
	201	/* 0x50 is the address of the eeprom - we need to protect it
	202	* from dibusb's bad i2c implementation: reads without
	203	* writing the offset before are forbidden */
	204	if (dibusb_i2c_msg(d, msg[i].addr, NULL, 0, msg[i].buf, msg[i].len) < 0)
	205	break;
	206	}
776338e1 JS	207	}
776338e1 JS	208
3593cab5	209	mutex_unlock(&d->i2c_mutex);
776338e1 JS	210	return i;
	211	}
	212
	213	static u32 dibusb_i2c_func(struct i2c_adapter *adapter)
	214	{
	215	return I2C_FUNC_I2C;
	216	}
	217
	218	struct i2c_algorithm dibusb_i2c_algo = {
776338e1 JS	219	.master_xfer = dibusb_i2c_xfer,
	220	.functionality = dibusb_i2c_func,
	221	};
	222	EXPORT_SYMBOL(dibusb_i2c_algo);
	223
	224	int dibusb_read_eeprom_byte(struct dvb_usb_device d, u8 offs, u8 val)
	225	{
	226	u8 wbuf[1] = { offs };
	227	return dibusb_i2c_msg(d, 0x50, wbuf, 1, val, 1);
	228	}
	229	EXPORT_SYMBOL(dibusb_read_eeprom_byte);
	230
776338e1 JS	231	/*
	232	* common remote control stuff
	233	*/
2f4f58d6	234	struct rc_map_table rc_map_dibusb_table[] = {
776338e1	235	/* Key codes for the little Artec T1/Twinhan/HAMA/ remote. */
2e365883 MCC	236	{ 0x0016, KEY_POWER },
	237	{ 0x0010, KEY_MUTE },
	238	{ 0x0003, KEY_1 },
	239	{ 0x0001, KEY_2 },
	240	{ 0x0006, KEY_3 },
	241	{ 0x0009, KEY_4 },
	242	{ 0x001d, KEY_5 },
	243	{ 0x001f, KEY_6 },
	244	{ 0x000d, KEY_7 },
	245	{ 0x0019, KEY_8 },
	246	{ 0x001b, KEY_9 },
	247	{ 0x0015, KEY_0 },
	248	{ 0x0005, KEY_CHANNELUP },
	249	{ 0x0002, KEY_CHANNELDOWN },
	250	{ 0x001e, KEY_VOLUMEUP },
	251	{ 0x000a, KEY_VOLUMEDOWN },
	252	{ 0x0011, KEY_RECORD },
	253	{ 0x0017, KEY_FAVORITES }, /* Heart symbol - Channel list. */
	254	{ 0x0014, KEY_PLAY },
	255	{ 0x001a, KEY_STOP },
	256	{ 0x0040, KEY_REWIND },
	257	{ 0x0012, KEY_FASTFORWARD },
	258	{ 0x000e, KEY_PREVIOUS }, /* Recall - Previous channel. */
	259	{ 0x004c, KEY_PAUSE },
	260	{ 0x004d, KEY_SCREEN }, /* Full screen mode. */
	261	{ 0x0054, KEY_AUDIO }, /* MTS - Switch to secondary audio. */
776338e1	262	/* additional keys TwinHan VisionPlus, the Artec seemingly not have */
2e365883 MCC	263	{ 0x000c, KEY_CANCEL }, /* Cancel */
	264	{ 0x001c, KEY_EPG }, /* EPG */
	265	{ 0x0000, KEY_TAB }, /* Tab */
	266	{ 0x0048, KEY_INFO }, /* Preview */
	267	{ 0x0004, KEY_LIST }, /* RecordList */
	268	{ 0x000f, KEY_TEXT }, /* Teletext */
776338e1	269	/* Key codes for the KWorld/ADSTech/JetWay remote. */
2e365883 MCC	270	{ 0x8612, KEY_POWER },
	271	{ 0x860f, KEY_SELECT }, /* source */
	272	{ 0x860c, KEY_UNKNOWN }, /* scan */
	273	{ 0x860b, KEY_EPG },
	274	{ 0x8610, KEY_MUTE },
	275	{ 0x8601, KEY_1 },
	276	{ 0x8602, KEY_2 },
	277	{ 0x8603, KEY_3 },
	278	{ 0x8604, KEY_4 },
	279	{ 0x8605, KEY_5 },
	280	{ 0x8606, KEY_6 },
	281	{ 0x8607, KEY_7 },
	282	{ 0x8608, KEY_8 },
	283	{ 0x8609, KEY_9 },
	284	{ 0x860a, KEY_0 },
	285	{ 0x8618, KEY_ZOOM },
	286	{ 0x861c, KEY_UNKNOWN }, /* preview */
	287	{ 0x8613, KEY_UNKNOWN }, /* snap */
	288	{ 0x8600, KEY_UNDO },
	289	{ 0x861d, KEY_RECORD },
	290	{ 0x860d, KEY_STOP },
	291	{ 0x860e, KEY_PAUSE },
	292	{ 0x8616, KEY_PLAY },
	293	{ 0x8611, KEY_BACK },
	294	{ 0x8619, KEY_FORWARD },
	295	{ 0x8614, KEY_UNKNOWN }, /* pip */
	296	{ 0x8615, KEY_ESC },
	297	{ 0x861a, KEY_UP },
	298	{ 0x861e, KEY_DOWN },
	299	{ 0x861f, KEY_LEFT },
	300	{ 0x861b, KEY_RIGHT },
a841e1f6 SH	301
a841e1f6 SH	302	/* Key codes for the DiBcom MOD3000 remote. */
2e365883 MCC	303	{ 0x8000, KEY_MUTE },
	304	{ 0x8001, KEY_TEXT },
	305	{ 0x8002, KEY_HOME },
	306	{ 0x8003, KEY_POWER },
	307
	308	{ 0x8004, KEY_RED },
	309	{ 0x8005, KEY_GREEN },
	310	{ 0x8006, KEY_YELLOW },
	311	{ 0x8007, KEY_BLUE },
	312
	313	{ 0x8008, KEY_DVD },
	314	{ 0x8009, KEY_AUDIO },
56c0893c	315	{ 0x800a, KEY_IMAGES }, /* Pictures */
2e365883 MCC	316	{ 0x800b, KEY_VIDEO },
	317
	318	{ 0x800c, KEY_BACK },
	319	{ 0x800d, KEY_UP },
	320	{ 0x800e, KEY_RADIO },
	321	{ 0x800f, KEY_EPG },
	322
	323	{ 0x8010, KEY_LEFT },
	324	{ 0x8011, KEY_OK },
	325	{ 0x8012, KEY_RIGHT },
	326	{ 0x8013, KEY_UNKNOWN }, /* SAP */
	327
	328	{ 0x8014, KEY_TV },
	329	{ 0x8015, KEY_DOWN },
	330	{ 0x8016, KEY_MENU }, /* DVD Menu */
	331	{ 0x8017, KEY_LAST },
	332
	333	{ 0x8018, KEY_RECORD },
	334	{ 0x8019, KEY_STOP },
	335	{ 0x801a, KEY_PAUSE },
	336	{ 0x801b, KEY_PLAY },
	337
	338	{ 0x801c, KEY_PREVIOUS },
	339	{ 0x801d, KEY_REWIND },
	340	{ 0x801e, KEY_FASTFORWARD },
	341	{ 0x801f, KEY_NEXT},
	342
	343	{ 0x8040, KEY_1 },
	344	{ 0x8041, KEY_2 },
	345	{ 0x8042, KEY_3 },
	346	{ 0x8043, KEY_CHANNELUP },
	347
	348	{ 0x8044, KEY_4 },
	349	{ 0x8045, KEY_5 },
	350	{ 0x8046, KEY_6 },
	351	{ 0x8047, KEY_CHANNELDOWN },
	352
	353	{ 0x8048, KEY_7 },
	354	{ 0x8049, KEY_8 },
	355	{ 0x804a, KEY_9 },
	356	{ 0x804b, KEY_VOLUMEUP },
	357
	358	{ 0x804c, KEY_CLEAR },
	359	{ 0x804d, KEY_0 },
	360	{ 0x804e, KEY_ENTER },
	361	{ 0x804f, KEY_VOLUMEDOWN },
776338e1	362	};
2f4f58d6	363	EXPORT_SYMBOL(rc_map_dibusb_table);
776338e1 JS	364
	365	int dibusb_rc_query(struct dvb_usb_device d, u32 event, int *state)
	366	{
426398b1	367	u8 *buf;
ff1c1235	368	int ret;
426398b1 MCC	369
	370	buf = kmalloc(5, GFP_KERNEL);
	371	if (!buf)
	372	return -ENOMEM;
	373
	374	buf[0] = DIBUSB_REQ_POLL_REMOTE;
	375
ff1c1235 MCC	376	ret = dvb_usb_generic_rw(d, buf, 1, buf, 5, 0);
	377	if (ret < 0)
	378	goto ret;
426398b1 MCC	379
	380	dvb_usb_nec_rc_key_to_event(d, buf, event, state);
	381
	382	if (buf[0] != 0)
	383	deb_info("key: %*ph\n", 5, buf);
	384
	385	kfree(buf);
	386
ff1c1235 MCC	387	ret:
ff1c1235 MCC	388	return ret;
776338e1 JS	389	}
776338e1 JS	390	EXPORT_SYMBOL(dibusb_rc_query);