[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / media / dvb / dvb-usb / au6610.c

/*
 * DVB USB Linux driver for Alcor Micro AU6610 DVB-T USB2.0.
 *
 * Copyright (C) 2006 Antti Palosaari <crope@iki.fi>
 *
 *    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., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include "au6610.h"
#include "zl10353.h"
#include "qt1010.h"

/* debug */
static int dvb_usb_au6610_debug;
module_param_named(debug, dvb_usb_au6610_debug, int, 0644);
MODULE_PARM_DESC(debug, "set debugging level" DVB_USB_DEBUG_STATUS);
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);

static int au6610_usb_msg(struct dvb_usb_device *d, u8 operation, u8 addr,
			  u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
{
	int ret;
	u16 index;
	u8 usb_buf[6]; /* enough for all known requests,
			  read returns 5 and write 6 bytes */
	switch (wlen) {
	case 1:
		index = wbuf[0] << 8;
		break;
	case 2:
		index = wbuf[0] << 8;
		index += wbuf[1];
		break;
	default:
		warn("wlen = %x, aborting.", wlen);
		return -EINVAL;
	}

	ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), operation,
			      USB_TYPE_VENDOR|USB_DIR_IN, addr << 1, index,
			      usb_buf, sizeof(usb_buf), AU6610_USB_TIMEOUT);
	if (ret < 0)
		return ret;

	switch (operation) {
	case AU6610_REQ_I2C_READ:
	case AU6610_REQ_USB_READ:
		/* requested value is always 5th byte in buffer */
		rbuf[0] = usb_buf[4];
	}

	return ret;
}

static int au6610_i2c_msg(struct dvb_usb_device *d, u8 addr,
			  u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
{
	u8 request;
	u8 wo = (rbuf == NULL || rlen == 0); /* write-only */

	if (wo) {
		request = AU6610_REQ_I2C_WRITE;
	} else { /* rw */
		request = AU6610_REQ_I2C_READ;
	}

	return au6610_usb_msg(d, request, addr, wbuf, wlen, rbuf, rlen);
}


/* I2C */
static int au6610_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
			   int num)
{
	struct dvb_usb_device *d = i2c_get_adapdata(adap);
	int i;

	if (num > 2)
		return -EINVAL;

	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+1].flags & I2C_M_RD)) {
			if (au6610_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 (au6610_i2c_msg(d, msg[i].addr, msg[i].buf,
					       msg[i].len, NULL, 0) < 0)
				break;
	}

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


static u32 au6610_i2c_func(struct i2c_adapter *adapter)
{
	return I2C_FUNC_I2C;
}

static struct i2c_algorithm au6610_i2c_algo = {
	.master_xfer   = au6610_i2c_xfer,
	.functionality = au6610_i2c_func,
};

/* Callbacks for DVB USB */
static struct zl10353_config au6610_zl10353_config = {
	.demod_address = 0x0f,
	.no_tuner = 1,
	.parallel_ts = 1,
};

static int au6610_zl10353_frontend_attach(struct dvb_usb_adapter *adap)
{
	adap->fe = dvb_attach(zl10353_attach, &au6610_zl10353_config,
		&adap->dev->i2c_adap);
	if (adap->fe == NULL)
		return -ENODEV;

	return 0;
}

static struct qt1010_config au6610_qt1010_config = {
	.i2c_address = 0x62
};

static int au6610_qt1010_tuner_attach(struct dvb_usb_adapter *adap)
{
	return dvb_attach(qt1010_attach,
			  adap->fe, &adap->dev->i2c_adap,
			  &au6610_qt1010_config) == NULL ? -ENODEV : 0;
}

/* DVB USB Driver stuff */
static struct dvb_usb_device_properties au6610_properties;

static int au6610_probe(struct usb_interface *intf,
			const struct usb_device_id *id)
{
	struct dvb_usb_device *d;
	struct usb_host_interface *alt;
	int ret;

	if (intf->num_altsetting < AU6610_ALTSETTING_COUNT)
		return -ENODEV;

	ret = dvb_usb_device_init(intf, &au6610_properties, THIS_MODULE, &d,
				  adapter_nr);
	if (ret == 0) {
		alt = usb_altnum_to_altsetting(intf, AU6610_ALTSETTING);

		if (alt == NULL) {
			deb_info("%s: no alt found!\n", __func__);
			return -ENODEV;
		}
		ret = usb_set_interface(d->udev, alt->desc.bInterfaceNumber,
					alt->desc.bAlternateSetting);
	}

	return ret;
}

static struct usb_device_id au6610_table [] = {
	{ USB_DEVICE(USB_VID_ALCOR_MICRO, USB_PID_SIGMATEK_DVB_110) },
	{ }		/* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, au6610_table);

static struct dvb_usb_device_properties au6610_properties = {
	.caps = DVB_USB_IS_AN_I2C_ADAPTER,

	.usb_ctrl = DEVICE_SPECIFIC,

	.size_of_priv = 0,

	.num_adapters = 1,
	.adapter = {
		{
			.frontend_attach  = au6610_zl10353_frontend_attach,
			.tuner_attach     = au6610_qt1010_tuner_attach,

			.stream = {
				.type = USB_ISOC,
				.count = 5,
				.endpoint = 0x82,
				.u = {
					.isoc = {
						.framesperurb = 40,
						.framesize = 942,
						.interval = 1,
					}
				}
			},
		}
	},

	.i2c_algo = &au6610_i2c_algo,

	.num_device_descs = 1,
	.devices = {
		{
			.name = "Sigmatek DVB-110 DVB-T USB2.0",
			.cold_ids = {NULL},
			.warm_ids = {&au6610_table[0], NULL},
		},
	}
};

static struct usb_driver au6610_driver = {
	.name       = "dvb_usb_au6610",
	.probe      = au6610_probe,
	.disconnect = dvb_usb_device_exit,
	.id_table   = au6610_table,
};

/* module stuff */
static int __init au6610_module_init(void)
{
	int ret;

	ret = usb_register(&au6610_driver);
	if (ret)
		err("usb_register failed. Error number %d", ret);

	return ret;
}

static void __exit au6610_module_exit(void)
{
	/* deregister this driver from the USB subsystem */
	usb_deregister(&au6610_driver);
}

module_init(au6610_module_init);
module_exit(au6610_module_exit);

MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
MODULE_DESCRIPTION("Driver for Alcor Micro AU6610 DVB-T USB2.0");
MODULE_VERSION("0.1");
MODULE_LICENSE("GPL");
Commit	Line	Data
53af158a AP	1	/*
53af158a AP	2	* DVB USB Linux driver for Alcor Micro AU6610 DVB-T USB2.0.
5decdd27	3	*
4c7e3ea9	4	* Copyright (C) 2006 Antti Palosaari <crope@iki.fi>
5decdd27	5	*
53af158a AP	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
5decdd27	10	*
53af158a AP	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
5decdd27 AP	19	*/
	20
	21	#include "au6610.h"
5decdd27 AP	22	#include "zl10353.h"
	23	#include "qt1010.h"
	24
	25	/* debug */
	26	static int dvb_usb_au6610_debug;
	27	module_param_named(debug, dvb_usb_au6610_debug, int, 0644);
53af158a	28	MODULE_PARM_DESC(debug, "set debugging level" DVB_USB_DEBUG_STATUS);
78e92006 JG	29	DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
78e92006 JG	30
5decdd27 AP	31	static int au6610_usb_msg(struct dvb_usb_device *d, u8 operation, u8 addr,
	32	u8 wbuf, u16 wlen, u8 rbuf, u16 rlen)
	33	{
	34	int ret;
	35	u16 index;
38d0629f MK	36	u8 usb_buf[6]; /* enough for all known requests,
38d0629f MK	37	read returns 5 and write 6 bytes */
5decdd27 AP	38	switch (wlen) {
	39	case 1:
	40	index = wbuf[0] << 8;
	41	break;
	42	case 2:
	43	index = wbuf[0] << 8;
	44	index += wbuf[1];
	45	break;
	46	default:
	47	warn("wlen = %x, aborting.", wlen);
	48	return -EINVAL;
	49	}
	50
	51	ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), operation,
b6b2d268 AP	52	USB_TYPE_VENDOR\|USB_DIR_IN, addr << 1, index,
b6b2d268 AP	53	usb_buf, sizeof(usb_buf), AU6610_USB_TIMEOUT);
5decdd27 AP	54	if (ret < 0)
	55	return ret;
	56
	57	switch (operation) {
	58	case AU6610_REQ_I2C_READ:
	59	case AU6610_REQ_USB_READ:
	60	/* requested value is always 5th byte in buffer */
	61	rbuf[0] = usb_buf[4];
	62	}
	63
	64	return ret;
	65	}
	66
38d0629f MK	67	static int au6610_i2c_msg(struct dvb_usb_device *d, u8 addr,
38d0629f MK	68	u8 wbuf, u16 wlen, u8 rbuf, u16 rlen)
5decdd27 AP	69	{
	70	u8 request;
	71	u8 wo = (rbuf == NULL \|\| rlen == 0); /* write-only */
	72
	73	if (wo) {
	74	request = AU6610_REQ_I2C_WRITE;
	75	} else { /* rw */
	76	request = AU6610_REQ_I2C_READ;
	77	}
	78
	79	return au6610_usb_msg(d, request, addr, wbuf, wlen, rbuf, rlen);
	80	}
	81
	82
	83	/* I2C */
38d0629f MK	84	static int au6610_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
38d0629f MK	85	int num)
5decdd27 AP	86	{
	87	struct dvb_usb_device *d = i2c_get_adapdata(adap);
	88	int i;
	89
5decdd27 AP	90	if (num > 2)
	91	return -EINVAL;
	92
c80296d7 RK	93	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
	94	return -EAGAIN;
	95
5decdd27 AP	96	for (i = 0; i < num; i++) {
	97	/* write/read request */
	98	if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) {
	99	if (au6610_i2c_msg(d, msg[i].addr, msg[i].buf,
38d0629f MK	100	msg[i].len, msg[i+1].buf,
38d0629f MK	101	msg[i+1].len) < 0)
5decdd27 AP	102	break;
	103	i++;
	104	} else if (au6610_i2c_msg(d, msg[i].addr, msg[i].buf,
	105	msg[i].len, NULL, 0) < 0)
	106	break;
	107	}
	108
	109	mutex_unlock(&d->i2c_mutex);
	110	return i;
	111	}
	112
	113
	114	static u32 au6610_i2c_func(struct i2c_adapter *adapter)
	115	{
	116	return I2C_FUNC_I2C;
	117	}
	118
	119	static struct i2c_algorithm au6610_i2c_algo = {
	120	.master_xfer = au6610_i2c_xfer,
	121	.functionality = au6610_i2c_func,
	122	};
	123
	124	/* Callbacks for DVB USB */
5decdd27	125	static struct zl10353_config au6610_zl10353_config = {
26a154c3	126	.demod_address = 0x0f,
5decdd27 AP	127	.no_tuner = 1,
	128	.parallel_ts = 1,
	129	};
	130
5decdd27 AP	131	static int au6610_zl10353_frontend_attach(struct dvb_usb_adapter *adap)
5decdd27 AP	132	{
b6b2d268 AP	133	adap->fe = dvb_attach(zl10353_attach, &au6610_zl10353_config,
	134	&adap->dev->i2c_adap);
	135	if (adap->fe == NULL)
53af158a	136	return -ENODEV;
5decdd27	137
b6b2d268	138	return 0;
5decdd27 AP	139	}
5decdd27 AP	140
4c7e3ea9	141	static struct qt1010_config au6610_qt1010_config = {
26a154c3	142	.i2c_address = 0x62
4c7e3ea9 AP	143	};
	144
	145	static int au6610_qt1010_tuner_attach(struct dvb_usb_adapter *adap)
	146	{
4c7e3ea9 AP	147	return dvb_attach(qt1010_attach,
	148	adap->fe, &adap->dev->i2c_adap,
	149	&au6610_qt1010_config) == NULL ? -ENODEV : 0;
	150	}
	151
5decdd27 AP	152	/* DVB USB Driver stuff */
	153	static struct dvb_usb_device_properties au6610_properties;
	154
38d0629f MK	155	static int au6610_probe(struct usb_interface *intf,
38d0629f MK	156	const struct usb_device_id *id)
5decdd27 AP	157	{
	158	struct dvb_usb_device *d;
	159	struct usb_host_interface *alt;
	160	int ret;
	161
	162	if (intf->num_altsetting < AU6610_ALTSETTING_COUNT)
	163	return -ENODEV;
	164
78e92006 JG	165	ret = dvb_usb_device_init(intf, &au6610_properties, THIS_MODULE, &d,
	166	adapter_nr);
	167	if (ret == 0) {
5decdd27 AP	168	alt = usb_altnum_to_altsetting(intf, AU6610_ALTSETTING);
	169
	170	if (alt == NULL) {
53af158a	171	deb_info("%s: no alt found!\n", __func__);
5decdd27 AP	172	return -ENODEV;
	173	}
	174	ret = usb_set_interface(d->udev, alt->desc.bInterfaceNumber,
	175	alt->desc.bAlternateSetting);
	176	}
	177
	178	return ret;
	179	}
	180
5decdd27 AP	181	static struct usb_device_id au6610_table [] = {
	182	{ USB_DEVICE(USB_VID_ALCOR_MICRO, USB_PID_SIGMATEK_DVB_110) },
	183	{ } /* Terminating entry */
	184	};
b6b2d268	185	MODULE_DEVICE_TABLE(usb, au6610_table);
5decdd27 AP	186
	187	static struct dvb_usb_device_properties au6610_properties = {
	188	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
53af158a	189
5decdd27	190	.usb_ctrl = DEVICE_SPECIFIC,
53af158a AP	191
	192	.size_of_priv = 0,
	193
5decdd27 AP	194	.num_adapters = 1,
	195	.adapter = {
	196	{
	197	.frontend_attach = au6610_zl10353_frontend_attach,
4c7e3ea9	198	.tuner_attach = au6610_qt1010_tuner_attach,
5decdd27 AP	199
	200	.stream = {
	201	.type = USB_ISOC,
	202	.count = 5,
	203	.endpoint = 0x82,
	204	.u = {
	205	.isoc = {
	206	.framesperurb = 40,
b6b2d268	207	.framesize = 942,
53af158a	208	.interval = 1,
5decdd27 AP	209	}
	210	}
	211	},
	212	}
	213	},
53af158a	214
5decdd27	215	.i2c_algo = &au6610_i2c_algo,
bbf23af2	216
5decdd27 AP	217	.num_device_descs = 1,
	218	.devices = {
	219	{
bbf23af2 AP	220	.name = "Sigmatek DVB-110 DVB-T USB2.0",
	221	.cold_ids = {NULL},
	222	.warm_ids = {&au6610_table[0], NULL},
5decdd27 AP	223	},
	224	}
	225	};
	226
	227	static struct usb_driver au6610_driver = {
	228	.name = "dvb_usb_au6610",
	229	.probe = au6610_probe,
	230	.disconnect = dvb_usb_device_exit,
	231	.id_table = au6610_table,
	232	};
	233
	234	/* module stuff */
	235	static int __init au6610_module_init(void)
	236	{
	237	int ret;
	238
b6b2d268 AP	239	ret = usb_register(&au6610_driver);
b6b2d268 AP	240	if (ret)
5decdd27	241	err("usb_register failed. Error number %d", ret);
5decdd27	242
b6b2d268	243	return ret;
5decdd27 AP	244	}
	245
	246	static void __exit au6610_module_exit(void)
	247	{
	248	/* deregister this driver from the USB subsystem */
	249	usb_deregister(&au6610_driver);
	250	}
	251
b6b2d268 AP	252	module_init(au6610_module_init);
b6b2d268 AP	253	module_exit(au6610_module_exit);
5decdd27 AP	254
5decdd27 AP	255	MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
53af158a	256	MODULE_DESCRIPTION("Driver for Alcor Micro AU6610 DVB-T USB2.0");
5decdd27 AP	257	MODULE_VERSION("0.1");
5decdd27 AP	258	MODULE_LICENSE("GPL");