drivers/media/dvb/dvb-usb/ttusb2.c - maze/linux - Git at Google

 /* DVB USB compliant linux driver for Technotrend DVB USB boxes and clones
  * (e.g. Pinnacle 400e DVB-S USB2.0).
  *
  * The Pinnacle 400e uses the same protocol as the Technotrend USB1.1 boxes.
  *
  * TDA8263 + TDA10086
  *
  * I2C addresses:
  * 0x08 - LNBP21PD   - LNB power supply
  * 0x0e - TDA10086   - Demodulator
  * 0x50 - FX2 eeprom
  * 0x60 - TDA8263    - Tuner
  * 0x78 ???
  *
  * Copyright (c) 2002 Holger Waechtler <holger@convergence.de>
  * Copyright (c) 2003 Felix Domke <tmbinc@elitedvb.net>
  * Copyright (C) 2005-6 Patrick Boettcher <pb@linuxtv.org>
  *
  *	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
  */
 #define DVB_USB_LOG_PREFIX "ttusb2"
 #include "dvb-usb.h"

 #include "ttusb2.h"

 #include "tda826x.h"
 #include "tda10086.h"
 #include "lnbp21.h"

 /* debug */
 static int dvb_usb_ttusb2_debug;
 #define deb_info(args...)   dprintk(dvb_usb_ttusb2_debug,0x01,args)
 module_param_named(debug,dvb_usb_ttusb2_debug, int, 0644);
 MODULE_PARM_DESC(debug, "set debugging level (1=info (or-able))." DVB_USB_DEBUG_STATUS);

 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);

 struct ttusb2_state {
 	u8 id;
 };

 static int ttusb2_msg(struct dvb_usb_device *d, u8 cmd,
 		u8 *wbuf, int wlen, u8 *rbuf, int rlen)
 {
 	struct ttusb2_state *st = d->priv;
 	u8 s[wlen+4],r[64] = { 0 };
 	int ret = 0;

 	memset(s,0,wlen+4);

 	s[0] = 0xaa;
 	s[1] = ++st->id;
 	s[2] = cmd;
 	s[3] = wlen;
 	memcpy(&s[4],wbuf,wlen);

 	ret = dvb_usb_generic_rw(d, s, wlen+4, r, 64, 0);

 	if (ret  != 0 ||
 		r[0] != 0x55 ||
 		r[1] != s[1] ||
 		r[2] != cmd ||
 		(rlen > 0 && r[3] != rlen)) {
 		warn("there might have been an error during control message transfer. (rlen = %d, was %d)",rlen,r[3]);
 		return -EIO;
 	}

 	if (rlen > 0)
 		memcpy(rbuf, &r[4], rlen);

 	return 0;
 }

 static int ttusb2_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
 {
 	struct dvb_usb_device *d = i2c_get_adapdata(adap);
 	static u8 obuf[60], ibuf[60];
 	int i,read;

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

 	if (num > 2)
 		warn("more than 2 i2c messages at a time is not handled yet. TODO.");

 	for (i = 0; i < num; i++) {
 		read = i+1 < num && (msg[i+1].flags & I2C_M_RD);

 		obuf[0] = (msg[i].addr << 1) | read;
 		obuf[1] = msg[i].len;

 		/* read request */
 		if (read)
 			obuf[2] = msg[i+1].len;
 		else
 			obuf[2] = 0;

 		memcpy(&obuf[3],msg[i].buf,msg[i].len);

 		if (ttusb2_msg(d, CMD_I2C_XFER, obuf, msg[i].len+3, ibuf, obuf[2] + 3) < 0) {
 			err("i2c transfer failed.");
 			break;
 		}

 		if (read) {
 			memcpy(msg[i+1].buf,&ibuf[3],msg[i+1].len);
 			i++;
 		}
 	}

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

 static u32 ttusb2_i2c_func(struct i2c_adapter *adapter)
 {
 	return I2C_FUNC_I2C;
 }

 static struct i2c_algorithm ttusb2_i2c_algo = {
 	.master_xfer   = ttusb2_i2c_xfer,
 	.functionality = ttusb2_i2c_func,
 };

 /* Callbacks for DVB USB */
 static int ttusb2_identify_state (struct usb_device *udev, struct
 		dvb_usb_device_properties *props, struct dvb_usb_device_description **desc,
 		int *cold)
 {
 	*cold = udev->descriptor.iManufacturer == 0 && udev->descriptor.iProduct == 0;
 	return 0;
 }

 static int ttusb2_power_ctrl(struct dvb_usb_device *d, int onoff)
 {
 	u8 b = onoff;
 	ttusb2_msg(d, CMD_POWER, &b, 0, NULL, 0);
 	return ttusb2_msg(d, CMD_POWER, &b, 1, NULL, 0);
 }


 static struct tda10086_config tda10086_config = {
 	.demod_address = 0x0e,
 	.invert = 0,
 	.diseqc_tone = 1,
 	.xtal_freq = TDA10086_XTAL_16M,
 };

 static int ttusb2_frontend_attach(struct dvb_usb_adapter *adap)
 {
 	if (usb_set_interface(adap->dev->udev,0,3) < 0)
 		err("set interface to alts=3 failed");

 	if ((adap->fe = dvb_attach(tda10086_attach, &tda10086_config, &adap->dev->i2c_adap)) == NULL) {
 		deb_info("TDA10086 attach failed\n");
 		return -ENODEV;
 	}

 	return 0;
 }

 static int ttusb2_tuner_attach(struct dvb_usb_adapter *adap)
 {
 	if (dvb_attach(tda826x_attach, adap->fe, 0x60, &adap->dev->i2c_adap, 0) == NULL) {
 		deb_info("TDA8263 attach failed\n");
 		return -ENODEV;
 	}

 	if (dvb_attach(lnbp21_attach, adap->fe, &adap->dev->i2c_adap, 0, 0) == NULL) {
 		deb_info("LNBP21 attach failed\n");
 		return -ENODEV;
 	}
 	return 0;
 }

 /* DVB USB Driver stuff */
 static struct dvb_usb_device_properties ttusb2_properties;
 static struct dvb_usb_device_properties ttusb2_properties_s2400;

 static int ttusb2_probe(struct usb_interface *intf,
 		const struct usb_device_id *id)
 {
 	if (0 == dvb_usb_device_init(intf, &ttusb2_properties,
 				     THIS_MODULE, NULL, adapter_nr) ||
 	    0 == dvb_usb_device_init(intf, &ttusb2_properties_s2400,
 				     THIS_MODULE, NULL, adapter_nr))
 		return 0;
 	return -ENODEV;
 }

 static struct usb_device_id ttusb2_table [] = {
 	{ USB_DEVICE(USB_VID_PINNACLE, USB_PID_PCTV_400E) },
 	{ USB_DEVICE(USB_VID_PINNACLE, USB_PID_PCTV_450E) },
 	{ USB_DEVICE(USB_VID_TECHNOTREND,
 		USB_PID_TECHNOTREND_CONNECT_S2400) },
 	{}		/* Terminating entry */
 };
 MODULE_DEVICE_TABLE (usb, ttusb2_table);

 static struct dvb_usb_device_properties ttusb2_properties = {
 	.caps = DVB_USB_IS_AN_I2C_ADAPTER,

 	.usb_ctrl = CYPRESS_FX2,
 	.firmware = "dvb-usb-pctv-400e-01.fw",

 	.size_of_priv = sizeof(struct ttusb2_state),

 	.num_adapters = 1,
 	.adapter = {
 		{
 			.streaming_ctrl   = NULL, // ttusb2_streaming_ctrl,

 			.frontend_attach  = ttusb2_frontend_attach,
 			.tuner_attach     = ttusb2_tuner_attach,

 			/* parameter for the MPEG2-data transfer */
 			.stream = {
 				.type = USB_ISOC,
 				.count = 5,
 				.endpoint = 0x02,
 				.u = {
 					.isoc = {
 						.framesperurb = 4,
 						.framesize = 940,
 						.interval = 1,
 					}
 				}
 			}
 		}
 	},

 	.power_ctrl       = ttusb2_power_ctrl,
 	.identify_state   = ttusb2_identify_state,

 	.i2c_algo         = &ttusb2_i2c_algo,

 	.generic_bulk_ctrl_endpoint = 0x01,

 	.num_device_descs = 2,
 	.devices = {
 		{   "Pinnacle 400e DVB-S USB2.0",
 			{ &ttusb2_table[0], NULL },
 			{ NULL },
 		},
 		{   "Pinnacle 450e DVB-S USB2.0",
 			{ &ttusb2_table[1], NULL },
 			{ NULL },
 		},
 	}
 };

 static struct dvb_usb_device_properties ttusb2_properties_s2400 = {
 	.caps = DVB_USB_IS_AN_I2C_ADAPTER,

 	.usb_ctrl = CYPRESS_FX2,
 	.firmware = "dvb-usb-tt-s2400-01.fw",

 	.size_of_priv = sizeof(struct ttusb2_state),

 	.num_adapters = 1,
 	.adapter = {
 		{
 			.streaming_ctrl   = NULL,

 			.frontend_attach  = ttusb2_frontend_attach,
 			.tuner_attach     = ttusb2_tuner_attach,

 			/* parameter for the MPEG2-data transfer */
 			.stream = {
 				.type = USB_ISOC,
 				.count = 5,
 				.endpoint = 0x02,
 				.u = {
 					.isoc = {
 						.framesperurb = 4,
 						.framesize = 940,
 						.interval = 1,
 					}
 				}
 			}
 		}
 	},

 	.power_ctrl       = ttusb2_power_ctrl,
 	.identify_state   = ttusb2_identify_state,

 	.i2c_algo         = &ttusb2_i2c_algo,

 	.generic_bulk_ctrl_endpoint = 0x01,

 	.num_device_descs = 1,
 	.devices = {
 		{   "Technotrend TT-connect S-2400",
 			{ &ttusb2_table[2], NULL },
 			{ NULL },
 		},
 	}
 };

 static struct usb_driver ttusb2_driver = {
 	.name		= "dvb_usb_ttusb2",
 	.probe		= ttusb2_probe,
 	.disconnect = dvb_usb_device_exit,
 	.id_table	= ttusb2_table,
 };

 /* module stuff */
 static int __init ttusb2_module_init(void)
 {
 	int result;
 	if ((result = usb_register(&ttusb2_driver))) {
 		err("usb_register failed. Error number %d",result);
 		return result;
 	}

 	return 0;
 }

 static void __exit ttusb2_module_exit(void)
 {
 	/* deregister this driver from the USB subsystem */
 	usb_deregister(&ttusb2_driver);
 }

 module_init (ttusb2_module_init);
 module_exit (ttusb2_module_exit);

 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
 MODULE_DESCRIPTION("Driver for Pinnacle PCTV 400e DVB-S USB2.0");
 MODULE_VERSION("1.0");
 MODULE_LICENSE("GPL");
	/* DVB USB compliant linux driver for Technotrend DVB USB boxes and clones
	* (e.g. Pinnacle 400e DVB-S USB2.0).
	*
	* The Pinnacle 400e uses the same protocol as the Technotrend USB1.1 boxes.
	*
	* TDA8263 + TDA10086
	*
	* I2C addresses:
	* 0x08 - LNBP21PD - LNB power supply
	* 0x0e - TDA10086 - Demodulator
	* 0x50 - FX2 eeprom
	* 0x60 - TDA8263 - Tuner
	* 0x78 ???
	*
	* Copyright (c) 2002 Holger Waechtler <holger@convergence.de>
	* Copyright (c) 2003 Felix Domke <tmbinc@elitedvb.net>
	* Copyright (C) 2005-6 Patrick Boettcher <pb@linuxtv.org>
	*
	* 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
	*/
	#define DVB_USB_LOG_PREFIX "ttusb2"
	#include "dvb-usb.h"

	#include "ttusb2.h"

	#include "tda826x.h"
	#include "tda10086.h"
	#include "lnbp21.h"

	/* debug */
	static int dvb_usb_ttusb2_debug;
	#define deb_info(args...) dprintk(dvb_usb_ttusb2_debug,0x01,args)
	module_param_named(debug,dvb_usb_ttusb2_debug, int, 0644);
	MODULE_PARM_DESC(debug, "set debugging level (1=info (or-able))." DVB_USB_DEBUG_STATUS);

	DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);

	struct ttusb2_state {
	u8 id;
	};

	static int ttusb2_msg(struct dvb_usb_device *d, u8 cmd,
	u8 wbuf, int wlen, u8 rbuf, int rlen)
	{
	struct ttusb2_state *st = d->priv;
	u8 s[wlen+4],r[64] = { 0 };
	int ret = 0;

	memset(s,0,wlen+4);

	s[0] = 0xaa;
	s[1] = ++st->id;
	s[2] = cmd;
	s[3] = wlen;
	memcpy(&s[4],wbuf,wlen);

	ret = dvb_usb_generic_rw(d, s, wlen+4, r, 64, 0);

	if (ret != 0 \|\|
	r[0] != 0x55 \|\|
	r[1] != s[1] \|\|
	r[2] != cmd \|\|
	(rlen > 0 && r[3] != rlen)) {
	warn("there might have been an error during control message transfer. (rlen = %d, was %d)",rlen,r[3]);
	return -EIO;
	}

	if (rlen > 0)
	memcpy(rbuf, &r[4], rlen);

	return 0;
	}

	static int ttusb2_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
	{
	struct dvb_usb_device *d = i2c_get_adapdata(adap);
	static u8 obuf[60], ibuf[60];
	int i,read;

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

	if (num > 2)
	warn("more than 2 i2c messages at a time is not handled yet. TODO.");

	for (i = 0; i < num; i++) {
	read = i+1 < num && (msg[i+1].flags & I2C_M_RD);

	obuf[0] = (msg[i].addr << 1) \| read;
	obuf[1] = msg[i].len;

	/* read request */
	if (read)
	obuf[2] = msg[i+1].len;
	else
	obuf[2] = 0;

	memcpy(&obuf[3],msg[i].buf,msg[i].len);

	if (ttusb2_msg(d, CMD_I2C_XFER, obuf, msg[i].len+3, ibuf, obuf[2] + 3) < 0) {
	err("i2c transfer failed.");
	break;
	}

	if (read) {
	memcpy(msg[i+1].buf,&ibuf[3],msg[i+1].len);
	i++;
	}
	}

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

	static u32 ttusb2_i2c_func(struct i2c_adapter *adapter)
	{
	return I2C_FUNC_I2C;
	}

	static struct i2c_algorithm ttusb2_i2c_algo = {
	.master_xfer = ttusb2_i2c_xfer,
	.functionality = ttusb2_i2c_func,
	};

	/* Callbacks for DVB USB */
	static int ttusb2_identify_state (struct usb_device *udev, struct
	dvb_usb_device_properties props, struct dvb_usb_device_description *desc,
	int *cold)
	{
	*cold = udev->descriptor.iManufacturer == 0 && udev->descriptor.iProduct == 0;
	return 0;
	}

	static int ttusb2_power_ctrl(struct dvb_usb_device *d, int onoff)
	{
	u8 b = onoff;
	ttusb2_msg(d, CMD_POWER, &b, 0, NULL, 0);
	return ttusb2_msg(d, CMD_POWER, &b, 1, NULL, 0);
	}


	static struct tda10086_config tda10086_config = {
	.demod_address = 0x0e,
	.invert = 0,
	.diseqc_tone = 1,
	.xtal_freq = TDA10086_XTAL_16M,
	};

	static int ttusb2_frontend_attach(struct dvb_usb_adapter *adap)
	{
	if (usb_set_interface(adap->dev->udev,0,3) < 0)
	err("set interface to alts=3 failed");

	if ((adap->fe = dvb_attach(tda10086_attach, &tda10086_config, &adap->dev->i2c_adap)) == NULL) {
	deb_info("TDA10086 attach failed\n");
	return -ENODEV;
	}

	return 0;
	}

	static int ttusb2_tuner_attach(struct dvb_usb_adapter *adap)
	{
	if (dvb_attach(tda826x_attach, adap->fe, 0x60, &adap->dev->i2c_adap, 0) == NULL) {
	deb_info("TDA8263 attach failed\n");
	return -ENODEV;
	}

	if (dvb_attach(lnbp21_attach, adap->fe, &adap->dev->i2c_adap, 0, 0) == NULL) {
	deb_info("LNBP21 attach failed\n");
	return -ENODEV;
	}
	return 0;
	}

	/* DVB USB Driver stuff */
	static struct dvb_usb_device_properties ttusb2_properties;
	static struct dvb_usb_device_properties ttusb2_properties_s2400;

	static int ttusb2_probe(struct usb_interface *intf,
	const struct usb_device_id *id)
	{
	if (0 == dvb_usb_device_init(intf, &ttusb2_properties,
	THIS_MODULE, NULL, adapter_nr) \|\|
	0 == dvb_usb_device_init(intf, &ttusb2_properties_s2400,
	THIS_MODULE, NULL, adapter_nr))
	return 0;
	return -ENODEV;
	}

	static struct usb_device_id ttusb2_table [] = {
	{ USB_DEVICE(USB_VID_PINNACLE, USB_PID_PCTV_400E) },
	{ USB_DEVICE(USB_VID_PINNACLE, USB_PID_PCTV_450E) },
	{ USB_DEVICE(USB_VID_TECHNOTREND,
	USB_PID_TECHNOTREND_CONNECT_S2400) },
	{} /* Terminating entry */
	};
	MODULE_DEVICE_TABLE (usb, ttusb2_table);

	static struct dvb_usb_device_properties ttusb2_properties = {
	.caps = DVB_USB_IS_AN_I2C_ADAPTER,

	.usb_ctrl = CYPRESS_FX2,
	.firmware = "dvb-usb-pctv-400e-01.fw",

	.size_of_priv = sizeof(struct ttusb2_state),

	.num_adapters = 1,
	.adapter = {
	{
	.streaming_ctrl = NULL, // ttusb2_streaming_ctrl,

	.frontend_attach = ttusb2_frontend_attach,
	.tuner_attach = ttusb2_tuner_attach,

	/* parameter for the MPEG2-data transfer */
	.stream = {
	.type = USB_ISOC,
	.count = 5,
	.endpoint = 0x02,
	.u = {
	.isoc = {
	.framesperurb = 4,
	.framesize = 940,
	.interval = 1,
	}
	}
	}
	}
	},

	.power_ctrl = ttusb2_power_ctrl,
	.identify_state = ttusb2_identify_state,

	.i2c_algo = &ttusb2_i2c_algo,

	.generic_bulk_ctrl_endpoint = 0x01,

	.num_device_descs = 2,
	.devices = {
	{ "Pinnacle 400e DVB-S USB2.0",
	{ &ttusb2_table[0], NULL },
	{ NULL },
	},
	{ "Pinnacle 450e DVB-S USB2.0",
	{ &ttusb2_table[1], NULL },
	{ NULL },
	},
	}
	};

	static struct dvb_usb_device_properties ttusb2_properties_s2400 = {
	.caps = DVB_USB_IS_AN_I2C_ADAPTER,

	.usb_ctrl = CYPRESS_FX2,
	.firmware = "dvb-usb-tt-s2400-01.fw",

	.size_of_priv = sizeof(struct ttusb2_state),

	.num_adapters = 1,
	.adapter = {
	{
	.streaming_ctrl = NULL,

	.frontend_attach = ttusb2_frontend_attach,
	.tuner_attach = ttusb2_tuner_attach,

	/* parameter for the MPEG2-data transfer */
	.stream = {
	.type = USB_ISOC,
	.count = 5,
	.endpoint = 0x02,
	.u = {
	.isoc = {
	.framesperurb = 4,
	.framesize = 940,
	.interval = 1,
	}
	}
	}
	}
	},

	.power_ctrl = ttusb2_power_ctrl,
	.identify_state = ttusb2_identify_state,

	.i2c_algo = &ttusb2_i2c_algo,

	.generic_bulk_ctrl_endpoint = 0x01,

	.num_device_descs = 1,
	.devices = {
	{ "Technotrend TT-connect S-2400",
	{ &ttusb2_table[2], NULL },
	{ NULL },
	},
	}
	};

	static struct usb_driver ttusb2_driver = {
	.name = "dvb_usb_ttusb2",
	.probe = ttusb2_probe,
	.disconnect = dvb_usb_device_exit,
	.id_table = ttusb2_table,
	};

	/* module stuff */
	static int __init ttusb2_module_init(void)
	{
	int result;
	if ((result = usb_register(&ttusb2_driver))) {
	err("usb_register failed. Error number %d",result);
	return result;
	}

	return 0;
	}

	static void __exit ttusb2_module_exit(void)
	{
	/* deregister this driver from the USB subsystem */
	usb_deregister(&ttusb2_driver);
	}

	module_init (ttusb2_module_init);
	module_exit (ttusb2_module_exit);

	MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
	MODULE_DESCRIPTION("Driver for Pinnacle PCTV 400e DVB-S USB2.0");
	MODULE_VERSION("1.0");
	MODULE_LICENSE("GPL");