Commit 4b1431ca authored by Hartmut Hackmann's avatar Hartmut Hackmann Committed by Mauro Carvalho Chehab
Browse files

V4L/DVB (7224): Initial DVB-S support for MD8800 /CTX948 



Support is not complete yet and untested.

Signed-off-by: default avatarHartmut Hackmann <hartmut.hackmann@t-online.de>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent 26ec394e

drivers/media/dvb/frontends/isl6405.c

0 → 100644
+164 −0
Original line number Diff line number Diff line 
/*

 * isl6405.c - driver for dual lnb supply and control ic ISL6405

 *

 * Copyright (C) 2008 Hartmut Hackmann

 * Copyright (C) 2006 Oliver Endriss

 *

 * 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.

 * Or, point your browser to http://www.gnu.org/copyleft/gpl.html

 *

 *

 * the project's page is at http://www.linuxtv.org

 */

#include <linux/delay.h>

#include <linux/errno.h>

#include <linux/init.h>

#include <linux/kernel.h>

#include <linux/module.h>

#include <linux/string.h>

#include <linux/slab.h>



#include "dvb_frontend.h"

#include "isl6405.h"



struct isl6405 {

	u8			config;

	u8			override_or;

	u8			override_and;

	struct i2c_adapter	*i2c;

	u8			i2c_addr;

};



static int isl6405_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)

{

	struct isl6405 *isl6405 = (struct isl6405 *) fe->sec_priv;

	struct i2c_msg msg = {	.addr = isl6405->i2c_addr, .flags = 0,

				.buf = &isl6405->config,

				.len = sizeof(isl6405->config) };



	if (isl6405->override_or & 0x80) {

		isl6405->config &= ~(ISL6405_VSEL2 | ISL6405_EN2);

		switch (voltage) {

		case SEC_VOLTAGE_OFF:

			break;

		case SEC_VOLTAGE_13:

			isl6405->config |= ISL6405_EN2;

			break;

		case SEC_VOLTAGE_18:

			isl6405->config |= (ISL6405_EN2 | ISL6405_VSEL2);

			break;

		default:

			return -EINVAL;

		}

	} else {

		isl6405->config &= ~(ISL6405_VSEL1 | ISL6405_EN1);

		switch (voltage) {

		case SEC_VOLTAGE_OFF:

			break;

		case SEC_VOLTAGE_13:

			isl6405->config |= ISL6405_EN1;

			break;

		case SEC_VOLTAGE_18:

			isl6405->config |= (ISL6405_EN1 | ISL6405_VSEL1);

			break;

		default:

			return -EINVAL;

		};

	}

	isl6405->config |= isl6405->override_or;

	isl6405->config &= isl6405->override_and;



	return (i2c_transfer(isl6405->i2c, &msg, 1) == 1) ? 0 : -EIO;

}



static int isl6405_enable_high_lnb_voltage(struct dvb_frontend *fe, long arg)

{

	struct isl6405 *isl6405 = (struct isl6405 *) fe->sec_priv;

	struct i2c_msg msg = {	.addr = isl6405->i2c_addr, .flags = 0,

				.buf = &isl6405->config,

				.len = sizeof(isl6405->config) };



	if (isl6405->override_or & 0x80) {

		if (arg)

			isl6405->config |= ISL6405_LLC2;

		else

			isl6405->config &= ~ISL6405_LLC2;

	} else {

		if (arg)

			isl6405->config |= ISL6405_LLC1;

		else

			isl6405->config &= ~ISL6405_LLC1;

	}

	isl6405->config |= isl6405->override_or;

	isl6405->config &= isl6405->override_and;



	return (i2c_transfer(isl6405->i2c, &msg, 1) == 1) ? 0 : -EIO;

}



static void isl6405_release(struct dvb_frontend *fe)

{

	/* power off */

	isl6405_set_voltage(fe, SEC_VOLTAGE_OFF);



	/* free */

	kfree(fe->sec_priv);

	fe->sec_priv = NULL;

}



struct dvb_frontend *isl6405_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c,

				    u8 i2c_addr, u8 override_set, u8 override_clear)

{

	struct isl6405 *isl6405 = kmalloc(sizeof(struct isl6405), GFP_KERNEL);

	if (!isl6405)

		return NULL;



	/* default configuration */

	if (override_set & 0x80)

		isl6405->config = ISL6405_ISEL2;

	else

		isl6405->config = ISL6405_ISEL1;

	isl6405->i2c = i2c;

	isl6405->i2c_addr = i2c_addr;

	fe->sec_priv = isl6405;



	/* bits which should be forced to '1' */

	isl6405->override_or = override_set;



	/* bits which should be forced to '0' */

	isl6405->override_and = ~override_clear;



	/* detect if it is present or not */

	if (isl6405_set_voltage(fe, SEC_VOLTAGE_OFF)) {

		kfree(isl6405);

		fe->sec_priv = NULL;

		return NULL;

	}



	/* install release callback */

	fe->ops.release_sec = isl6405_release;



	/* override frontend ops */

	fe->ops.set_voltage = isl6405_set_voltage;

	fe->ops.enable_high_lnb_voltage = isl6405_enable_high_lnb_voltage;



	return fe;

}

EXPORT_SYMBOL(isl6405_attach);



MODULE_DESCRIPTION("Driver for lnb supply and control ic isl6405");

MODULE_AUTHOR("Hartmut Hackmann & Oliver Endriss");

MODULE_LICENSE("GPL");

drivers/media/dvb/frontends/isl6405.h

0 → 100644
+74 −0
Original line number Diff line number Diff line 
/*

 * isl6405.h - driver for dual lnb supply and control ic ISL6405

 *

 * Copyright (C) 2008 Hartmut Hackmann

 * Copyright (C) 2006 Oliver Endriss

 *

 * 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.

 * Or, point your browser to http://www.gnu.org/copyleft/gpl.html

 *

 *

 * the project's page is at http://www.linuxtv.org

 */



#ifndef _ISL6405_H

#define _ISL6405_H



#include <linux/dvb/frontend.h>



/* system register bits */



/* this bit selects register (control) 1 or 2

   note that the bit maps are different */



#define ISL6405_SR	0x80



/* SR = 0 */

#define ISL6405_OLF1	0x01

#define ISL6405_EN1	0x02

#define ISL6405_VSEL1	0x04

#define ISL6405_LLC1	0x08

#define ISL6405_ENT1	0x10

#define ISL6405_ISEL1	0x20

#define ISL6405_DCL	0x40



/* SR = 1 */

#define ISL6405_OLF2	0x01

#define ISL6405_OTF	0x02

#define ISL6405_EN2	0x04

#define ISL6405_VSEL2	0x08

#define ISL6405_LLC2	0x10

#define ISL6405_ENT2	0x20

#define ISL6405_ISEL2	0x40



#if defined(CONFIG_DVB_ISL6405) || (defined(CONFIG_DVB_ISL6405_MODULE) && defined(MODULE))

/* override_set and override_clear control which system register bits (above)

 * to always set & clear

 */

extern struct dvb_frontend *isl6405_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c,

					   u8 i2c_addr, u8 override_set, u8 override_clear);

#else

static inline struct dvb_frontend *isl6405_attach(struct dvb_frontend *fe,

						  struct i2c_adapter *i2c, u8 i2c_addr,

						  u8 override_set, u8 override_clear)

{

	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);

	return NULL;

}

#endif /* CONFIG_DVB_ISL6405 */



#endif

drivers/media/video/saa7134/saa7134-dvb.c

+17 −1
Original line number Diff line number Diff line
@@ -43,6 +43,7 @@ 
#include "tda826x.h"

#include "tda827x.h"

#include "isl6421.h"

#include "isl6405.h"



MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");

MODULE_LICENSE("GPL");
@@ -990,7 +991,22 @@ static int dvb_init(struct saa7134_dev *dev) 
		configure_tda827x_fe(dev, &tevion_dvbt220rf_config);

		break;

	case SAA7134_BOARD_MEDION_MD8800_QUADRO:

		if (!use_frontend) {     /* terrestrial */

			configure_tda827x_fe(dev, &md8800_dvbt_config);

		} else {        /* satellite */

			dev->dvb.frontend = dvb_attach(tda10086_attach,

							&flydvbs, &dev->i2c_adap);

			if (dev->dvb.frontend) {

				if (dvb_attach(tda826x_attach, dev->dvb.frontend,

						0x60, &dev->i2c_adap, 0) == NULL)

					wprintk("%s: Medion Quadro, no tda826x "

						"found !\n", __FUNCTION__);

				if (dvb_attach(isl6405_attach, dev->dvb.frontend,

						&dev->i2c_adap, 0x08, 0, 0) == NULL)

					wprintk("%s: Medion Quadro, no ISL6405 "

						"found !\n", __FUNCTION__);

			}

		}

		break;

	case SAA7134_BOARD_AVERMEDIA_AVERTVHD_A180:

		dev->dvb.frontend = dvb_attach(nxt200x_attach, &avertvhda180,