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Commit b021bd84 authored by Antti Palosaari's avatar Antti Palosaari Committed by Mauro Carvalho Chehab
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[media] HDIC HD29L2 DMB-TH USB2.0 reference design driver 



Signed-off-by: default avatarAntti Palosaari <crope@iki.fi>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent ee9b8c8c

drivers/media/dvb/dvb-usb/Kconfig

+7 −0
Original line number Diff line number Diff line
@@ -361,6 +361,13 @@ config DVB_USB_EC168 
	help

	  Say Y here to support the E3C EC168 DVB-T USB2.0 receiver.



config DVB_USB_HDIC

	tristate "HDIC HD29L2 reference design"

	depends on DVB_USB

	select DVB_HD29L2 if !DVB_FE_CUSTOMISE

	help

	  Say Y here to support the HDIC HD29L2 reference design.



config DVB_USB_AZ6027

	tristate "Azurewave DVB-S/S2 USB2.0 AZ6027 support"

	depends on DVB_USB

drivers/media/dvb/dvb-usb/Makefile

+3 −0
Original line number Diff line number Diff line
@@ -88,6 +88,9 @@ obj-$(CONFIG_DVB_USB_FRIIO) += dvb-usb-friio.o 
dvb-usb-ec168-objs = ec168.o

obj-$(CONFIG_DVB_USB_EC168) += dvb-usb-ec168.o



dvb-usb-hdic-objs = hdic.o

obj-$(CONFIG_DVB_USB_HDIC) += dvb-usb-hdic.o



dvb-usb-az6027-objs = az6027.o

obj-$(CONFIG_DVB_USB_AZ6027) += dvb-usb-az6027.o

drivers/media/dvb/dvb-usb/hdic.c

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+365 −0
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/*

 * DVB USB Linux driver for the HDIC receiver

 *

 * Copyright (C) 2011 Metropolia University of Applied Sciences, Electria R&D

 *

 * Author: 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 "hdic.h"

#include "hd29l2.h"

#include "mxl5007t.h"



/* debug */

static int dvb_usb_hdic_debug;

module_param_named(debug, dvb_usb_hdic_debug, int, 0644);

MODULE_PARM_DESC(debug, "set debugging level" DVB_USB_DEBUG_STATUS);

DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);

/*

 * I2C addresses (7bit) found by probing I2C bus:

 * 0x48 ??

 * 0x51 eeprom

 * 0x60 MaxLinear MXL5007T tuner

 * 0x73 HDIC HD29L2 demod

 *

 * Xtals:

 * 24.000 MHz Cypress CY7C68013A-56 (FX2)

 * 30.400 MHz HDIC HD29L2

 * 24.000 MHz MaxLinear MXL5007T

 *

 * I/Os:

 * RDY1 / SLWR == TS_CLK (USB_SLWR = !TS_CLK&TS_VALID)

 * PA1 / INT1  == 29L1_RESET RST_N

 */



/*

 * See Qanu DVB-T USB2.0 communication protocol specification for more

 * information used USB API.

 */



/* I2C */

static int hdic_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],

	int num)

{

	int ret;

	struct dvb_usb_device *d = i2c_get_adapdata(adap);

	u8 buf[64];



	/*

	 * increase sleep when there is a lot of errors:

	 * dvb-usb: recv bulk message failed: -110

	 */

#define HDIC_I2C_SLEEP 1



	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)

		return -EAGAIN;



	if (num == 2 && !(msg[0].flags & I2C_M_RD) &&

		(msg[1].flags & I2C_M_RD)) {

		/* I2C write + read combination (typical register read) */

		buf[0] = HDIC_CMD_I2C;

		buf[1] = (msg[0].addr << 1); /* I2C write */

		buf[2] = msg[0].len;

		buf[3] = 1; /* no I2C stop => repeated start */

		memcpy(&buf[4], msg[0].buf, msg[0].len);

		ret = dvb_usb_generic_rw(d, buf, 4+msg[0].len, buf, 1,

			HDIC_I2C_SLEEP);

		if (ret)

			goto err;



		buf[0] = HDIC_CMD_I2C;

		buf[1] = (msg[1].addr << 1) | 0x01; /* I2C read */

		buf[2] = msg[1].len;

		buf[3] = 0; /* I2C stop */

		ret = dvb_usb_generic_rw(d, buf, 4, buf, 1+msg[1].len,

			HDIC_I2C_SLEEP);

		if (ret)

			goto err;



		memcpy(msg[1].buf, &buf[1], msg[1].len);



	} else if (num == 1 && !(msg[0].flags & I2C_M_RD)) {

		/* I2C write (typical register write) */

		buf[0] = HDIC_CMD_I2C;

		buf[1] = (msg[0].addr << 1); /* I2C write */

		buf[2] = msg[0].len;

		buf[3] = 0; /* I2C stop */

		memcpy(&buf[4], msg[0].buf, msg[0].len);

		ret = dvb_usb_generic_rw(d, buf, 4+msg[0].len, buf, 1,

			HDIC_I2C_SLEEP);

		if (ret)

			goto err;

	} else {

		ret = -EOPNOTSUPP;

		goto err;

	}



	usleep_range(100, 1000);



	mutex_unlock(&d->i2c_mutex);



	return num;



err:

	deb_info("%s: failed=%d\n", __func__, ret);

	mutex_unlock(&d->i2c_mutex);

	return ret;

}



static u32 hdic_i2c_func(struct i2c_adapter *adapter)

{

	return I2C_FUNC_I2C;

}



static struct i2c_algorithm hdic_i2c_algo = {

	.master_xfer   = hdic_i2c_xfer,

	.functionality = hdic_i2c_func,

};



/* Callbacks for DVB USB */

static int hdic_power_ctrl(struct dvb_usb_device *d, int enable)

{

	u8 sbuf[] = { HDIC_CMD_SLEEP_MODE, enable ? 0 : 1 };

	u8 rbuf[1];



	deb_info("%s: enable=%d\n", __func__, enable);



	return dvb_usb_generic_rw(d, sbuf, sizeof(sbuf), rbuf, sizeof(rbuf), 0);

}



static int hdic_streaming_ctrl(struct dvb_usb_adapter *adap, int enable)

{

	u8 sbuf[] = { HDIC_CMD_CONTROL_STREAM_TRANSFER, enable };

	u8 rbuf[1];



	deb_info("%s: enable=%d\n", __func__, enable);



	return dvb_usb_generic_rw(adap->dev, sbuf, sizeof(sbuf), rbuf,

		sizeof(rbuf), 0);

}



/* general callback */

static int hdic_frontend_callback(void *priv, int component, int cmd, int arg)

{

	int ret;

	struct dvb_frontend *fe = priv;

	struct dvb_usb_adapter *adap = fe->dvb->priv;

	u8 sbuf[2] = { HDIC_CMD_DEMOD_RESET };

	u8 rbuf[1];



	deb_info("%s:\n", __func__);



	/* enable demod reset */

	sbuf[1] = 1;

	ret = dvb_usb_generic_rw(adap->dev, sbuf, sizeof(sbuf),

		rbuf, sizeof(rbuf), 0);

	if (ret)

		deb_info("%s: failed enable demod reset\n", __func__);



	usleep_range(100, 10000);



	/* disable demod reset */

	sbuf[1] = 0;

	ret = dvb_usb_generic_rw(adap->dev, sbuf, sizeof(sbuf), rbuf,

		sizeof(rbuf), 0);

	if (ret)

		deb_info("%s: failed disable demod reset\n", __func__);



	return 0;

}



static struct hd29l2_config hdic_hd29l2_config = {

	.i2c_addr = 0x73,

	.tuner_i2c_addr = 0x60,

	.ts_mode = HD29L2_TS_PARALLEL,

};



static int hdic_frontend_attach(struct dvb_usb_adapter *adap)

{

	int ret;

	u8 sbuf[2];

	u8 rbuf[3];



	deb_info("%s:\n", __func__);



	/* wake-up device */

	sbuf[0] = HDIC_CMD_GET_FIRMWARE_VERSION;

	ret = dvb_usb_generic_rw(adap->dev, sbuf, sizeof(sbuf), rbuf,

		sizeof(rbuf), 0);

	if (ret)

		deb_info("%s: failed wake-up\n", __func__);



	/* disable demod reset */

	sbuf[0] = HDIC_CMD_DEMOD_RESET;

	sbuf[1] = 0;

	ret = dvb_usb_generic_rw(adap->dev, sbuf, sizeof(sbuf), rbuf,

		sizeof(rbuf), 0);

	if (ret)

		deb_info("%s: failed disable demod reset\n", __func__);



	/* attach demod */

	adap->fe_adap[0].fe = dvb_attach(hd29l2_attach, &hdic_hd29l2_config,

		&adap->dev->i2c_adap);

	if (adap->fe_adap[0].fe == NULL) {

		ret = -ENODEV;

		goto err;

	}



	/* setup the reset callback */

	adap->fe_adap[0].fe->callback = hdic_frontend_callback;



	return 0;

err:

	deb_info("%s: failed=%d\n", __func__, ret);

	return ret;

}



static struct mxl5007t_config hdic_mxl5007t_config = {

	.xtal_freq_hz = MxL_XTAL_24_MHZ,

	.if_freq_hz = MxL_IF_36_15_MHZ,

	.invert_if = 1,

};



static int hdic_tuner_attach(struct dvb_usb_adapter *adap)

{

	int ret;



	deb_info("%s:\n", __func__);



	if (dvb_attach(mxl5007t_attach, adap->fe_adap[0].fe,

		&adap->dev->i2c_adap, 0x60, &hdic_mxl5007t_config) == NULL) {

		ret = -ENODEV;

		goto err;

	}



	return 0;

err:

	deb_info("%s: failed=%d\n", __func__, ret);

	return ret;

}



/* DVB USB Driver stuff */

static struct dvb_usb_device_properties hdic_properties;



static int hdic_probe(struct usb_interface *intf,

	const struct usb_device_id *id)

{

	return dvb_usb_device_init(intf, &hdic_properties, THIS_MODULE, NULL,

		adapter_nr);

}



/*

 * 04b4:1004 HDIC development board firmware

 * 04b4:8613 CY7C68013 EZ-USB FX2 USB 2.0 Development Kit

 */

static struct usb_device_id hdic_id[] = {

#define HDIC_8613       0 /* CY7C68013 EZ-USB FX2 USB 2.0 Development Kit */

#define HDIC_1004       1 /* HDIC 04b4:1004 */

#define HDIC_LINUX      2 /* HDIC Linux custom firmware */



	[HDIC_8613] = {USB_DEVICE(USB_VID_CYPRESS, 0x8613)},

	[HDIC_1004] = {USB_DEVICE(USB_VID_CYPRESS, 0x1004)},

	[HDIC_LINUX] = {USB_DEVICE(USB_VID_CYPRESS, 0x1e04)},

	{} /* terminating entry */

};



MODULE_DEVICE_TABLE(usb, hdic_id);



static struct dvb_usb_device_properties hdic_properties = {

	.caps = DVB_USB_IS_AN_I2C_ADAPTER,



	.usb_ctrl = CYPRESS_FX2,

	.firmware = "dvb-usb-hdic.fw",



	.num_adapters = 1,

	.adapter = {

		{

			.num_frontends = 1,

			.fe = {

				{

					.streaming_ctrl  = hdic_streaming_ctrl,

					.frontend_attach = hdic_frontend_attach,

					.tuner_attach    = hdic_tuner_attach,



					.stream = {

						.type = USB_BULK,

						.count = 5,

						.endpoint = 0x02,

						.u = {

							.bulk = {

								.buffersize =

									(4*512),

							}

						}

					},

				}

			},

		}

	},



	.power_ctrl = hdic_power_ctrl,



	.i2c_algo = &hdic_i2c_algo,



	.generic_bulk_ctrl_endpoint = 1,



	.num_device_descs = 1,

	.devices = {

		{

			.name = "HDIC reference design",

			.cold_ids = {&hdic_id[HDIC_8613],

				&hdic_id[HDIC_1004], NULL},

			.warm_ids = {&hdic_id[HDIC_LINUX], NULL},

		},

	}

};



static struct usb_driver hdic_driver = {

	.name       = "dvb_usb_hdic",

	.probe      = hdic_probe,

	.disconnect = dvb_usb_device_exit,

	.id_table   = hdic_id,

};



/* module stuff */

static int __init hdic_module_init(void)

{

	int ret;



	deb_info("%s:\n", __func__);



	ret = usb_register(&hdic_driver);

	if (ret)

		err("module init failed=%d", ret);



	return ret;

}



static void __exit hdic_module_exit(void)

{

	deb_info("%s:\n", __func__);



	/* deregister this driver from the USB subsystem */

	usb_deregister(&hdic_driver);

}



module_init(hdic_module_init);

module_exit(hdic_module_exit);



MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");

MODULE_DESCRIPTION("HDIC DMB-TH reference design USB2.0 driver (custom firmware)");

MODULE_LICENSE("GPL");

drivers/media/dvb/dvb-usb/hdic.h

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Original line number Diff line number Diff line 
/*

 * DVB USB Linux driver for the HDIC receiver

 *

 * Copyright (C) 2011 Metropolia University of Applied Sciences, Electria R&D

 *

 * Author: 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.

 */



#ifndef HDIC_H

#define HDIC_H



#define DVB_USB_LOG_PREFIX "hdic"

#include "dvb-usb.h"



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

#define deb_rc(args...)   dprintk(dvb_usb_hdic_debug, 0x02, args)

#define deb_xfer(args...) dprintk(dvb_usb_hdic_debug, 0x04, args)

#define deb_reg(args...)  dprintk(dvb_usb_hdic_debug, 0x08, args)

#define deb_i2c(args...)  dprintk(dvb_usb_hdic_debug, 0x10, args)

#define deb_fw(args...)   dprintk(dvb_usb_hdic_debug, 0x20, args)



enum hdic_cmd {

	HDIC_CMD_I2C                     = 0x00,

	HDIC_CMD_CONTROL_STREAM_TRANSFER = 0x03,

	HDIC_CMD_SLEEP_MODE              = 0x09,

	HDIC_CMD_GET_FIRMWARE_VERSION    = 0x0a,

	HDIC_CMD_DEMOD_RESET             = 0x0b,

};





#endif