Commit 3e978a82 authored by Manu Abraham's avatar Manu Abraham Committed by Mauro Carvalho Chehab
Browse files

V4L/DVB (13797): [Mantis/Hopper/TDA665x] Large overhaul, 



* Initial go at VP-3028, VP-3030 devices.
* I2C communication improvements,
* Add TDA665x support

Signed-off-by: default avatarManu Abraham <manu@linuxtv.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent ad0ac434

drivers/media/dvb/frontends/Kconfig

+11 −0
Original line number Diff line number Diff line
@@ -587,6 +587,17 @@ config DVB_ATBM8830 
	help

	  A DMB-TH tuner module. Say Y when you want to support this frontend.



config DVB_TDA665x

	tristate "TDA665x tuner"

	depends on DVB_CORE && I2C

	default m if DVB_FE_CUSTOMISE

	help

	  Support for tuner modules based on Philips TDA6650/TDA6651 chips.

	  Say Y when you want to support this chip.



	  Currently supported tuners:

	  * Panasonic ENV57H12D5 (ET-50DT)



comment "Tools to develop new frontends"



config DVB_DUMMY_FE

drivers/media/dvb/frontends/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -64,6 +64,7 @@ obj-$(CONFIG_DVB_TDA10048) += tda10048.o 
obj-$(CONFIG_DVB_TUNER_CX24113) += cx24113.o

obj-$(CONFIG_DVB_S5H1411) += s5h1411.o

obj-$(CONFIG_DVB_LGS8GL5) += lgs8gl5.o

obj-$(CONFIG_DVB_TDA665x) += tda665x.o

obj-$(CONFIG_DVB_LGS8GXX) += lgs8gxx.o

obj-$(CONFIG_DVB_ATBM8830) += atbm8830.o

obj-$(CONFIG_DVB_DUMMY_FE) += dvb_dummy_fe.o

drivers/media/dvb/frontends/tda665x.c

0 → 100644
+257 −0
Original line number Diff line number Diff line 
/*

	TDA665x tuner driver

	Copyright (C) Manu Abraham (abraham.manu@gmail.com)



	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 <linux/init.h>

#include <linux/kernel.h>

#include <linux/module.h>



#include "dvb_frontend.h"

#include "tda665x.h"



struct tda665x_state {

	struct dvb_frontend		*fe;

	struct i2c_adapter		*i2c;

	const struct tda665x_config	*config;



	u32 frequency;

	u32 bandwidth;

};



static int tda665x_read(struct tda665x_state *state, u8 *buf)

{

	const struct tda665x_config *config = state->config;

	int err = 0;

	struct i2c_msg msg = { .addr = config->addr, .flags = I2C_M_RD, .buf = buf, .len = 2 };



	err = i2c_transfer(state->i2c, &msg, 1);

	if (err != 1)

		goto exit;



	return err;

exit:

	printk("%s: I/O Error err=<%d>\n", __func__, err);

	return err;

}



static int tda665x_write(struct tda665x_state *state, u8 *buf, u8 length)

{

	const struct tda665x_config *config = state->config;

	int err = 0;

	struct i2c_msg msg = { .addr = config->addr, .flags = 0, .buf = buf, .len = length };



	err = i2c_transfer(state->i2c, &msg, 1);

	if (err != 1)

		goto exit;



	return err;

exit:

	printk("%s: I/O Error err=<%d>\n", __func__, err);

	return err;

}



static int tda665x_get_state(struct dvb_frontend *fe,

			     enum tuner_param param,

			     struct tuner_state *tstate)

{

	struct tda665x_state *state = fe->tuner_priv;

	int err = 0;



	switch (param) {

	case DVBFE_TUNER_FREQUENCY:

		tstate->frequency = state->frequency;

		break;

	case DVBFE_TUNER_BANDWIDTH:

		break;

	default:

		printk("%s: Unknown parameter (param=%d)\n", __func__, param);

		err = -EINVAL;

		break;

	}



	return err;

}



static int tda665x_get_status(struct dvb_frontend *fe, u32 *status)

{

	struct tda665x_state *state = fe->tuner_priv;

	u8 result = 0;

	int err = 0;



	*status = 0;



	err = tda665x_read(state, &result);

	if (err < 0)

		goto exit;



	if ((result >> 6) & 0x01) {

		printk("%s: Tuner Phase Locked\n", __func__);

		*status = 1;

	}



	return err;

exit:

	printk("%s: I/O Error\n", __func__);

	return err;

}



static int tda665x_set_state(struct dvb_frontend *fe,

			     enum tuner_param param,

			     struct tuner_state *tstate)

{

	struct tda665x_state *state = fe->tuner_priv;

	const struct tda665x_config *config = state->config;

	u32 frequency, status = 0;

	u8 buf[4];

	int err = 0;



	if (param & DVBFE_TUNER_FREQUENCY) {



		frequency = tstate->frequency;

		if ((frequency < config->frequency_max) || (frequency > config->frequency_min)) {

			printk("%s: Frequency beyond limits, frequency=%d\n", __func__, frequency);

			return -EINVAL;

		}



		frequency += config->frequency_offst;

		frequency *= config->ref_multiplier;

		frequency += config->ref_divider >> 1;

		frequency /= config->ref_divider;



		buf[0] = (u8 ) (frequency & 0x7f00) >> 8;

		buf[1] = (u8 ) (frequency & 0x00ff) >> 0;

		buf[2] = 0x80 | 0x40 | 0x02;

		buf[3] = 0x00;



		/* restore frequency */

		frequency = tstate->frequency;



		if (frequency < 153000000) {

			/* VHF-L */

			buf[3] |= 0x01; /* fc, Low Band, 47 - 153 MHz */

			if (frequency < 68000000)

				buf[3] |= 0x40; /* 83uA */

			if (frequency < 1040000000)

				buf[3] |= 0x60; /* 122uA */

			if (frequency < 1250000000)

				buf[3] |= 0x80; /* 163uA */

			else

				buf[3] |= 0xa0; /* 254uA */

		} else if (frequency < 438000000) {

			/* VHF-H */

			buf[3] |= 0x02; /* fc, Mid Band, 153 - 438 MHz */

			if (frequency < 230000000)

				buf[3] |= 0x40;

			if (frequency < 300000000)

				buf[3] |= 0x60;

			else

				buf[3] |= 0x80;

		} else {

			/* UHF */

			buf[3] |= 0x04; /* fc, High Band, 438 - 862 MHz */

			if (frequency < 470000000)

				buf[3] |= 0x60;

			if (frequency < 526000000)

				buf[3] |= 0x80;

			else

				buf[3] |= 0xa0;

		}



		/* Set params */

		err = tda665x_write(state, buf, 5);

		if (err < 0)

			goto exit;



		/* sleep for some time */

		printk("%s: Waiting to Phase LOCK\n", __func__);

		msleep(20);

		/* check status */

		err = tda665x_get_status(fe, &status);

		if (err < 0)

			goto exit;



		if (status == 1) {

			printk("%s: Tuner Phase locked: status=%d\n", __func__, status);

			state->frequency = frequency; /* cache successful state */

		} else {

			printk("%s: No Phase lock: status=%d\n", __func__, status);

		}

	} else {

		printk("%s: Unknown parameter (param=%d)\n", __func__, param);

		return -EINVAL;

	}



	return 0;

exit:

	printk("%s: I/O Error\n", __func__);

	return err;

}



static int tda665x_release(struct dvb_frontend *fe)

{

	struct tda665x_state *state = fe->tuner_priv;



	fe->tuner_priv = NULL;

	kfree(state);

	return 0;

}



static struct dvb_tuner_ops tda665x_ops = {



	.set_state	= tda665x_set_state,

	.get_state	= tda665x_get_state,

	.get_status	= tda665x_get_status,

	.release	= tda665x_release

};



struct dvb_frontend *tda665x_attach(struct dvb_frontend *fe,

				    const struct tda665x_config *config,

				    struct i2c_adapter *i2c)

{

	struct tda665x_state *state = NULL;

	struct dvb_tuner_info *info;



	state = kzalloc(sizeof (struct tda665x_state), GFP_KERNEL);

	if (state == NULL)

		goto exit;



	state->config		= config;

	state->i2c		= i2c;

	state->fe		= fe;

	fe->tuner_priv		= state;

	fe->ops.tuner_ops	= tda665x_ops;

	info			 = &fe->ops.tuner_ops.info;



	memcpy(info->name, config->name, sizeof (config->name));

	info->frequency_min	= config->frequency_min;

	info->frequency_max	= config->frequency_max;

	info->frequency_step	= config->frequency_offst;



	printk("%s: Attaching TDA665x (%s) tuner\n", __func__, info->name);



	return fe;



exit:

	kfree(state);

	return NULL;

}

EXPORT_SYMBOL(tda665x_attach);



MODULE_DESCRIPTION("TDA665x driver");

MODULE_AUTHOR("Manu Abraham");

MODULE_LICENSE("GPL");

drivers/media/dvb/frontends/tda665x.h

0 → 100644
+52 −0
Original line number Diff line number Diff line 
/*

	TDA665x tuner driver

	Copyright (C) Manu Abraham (abraham.manu@gmail.com)



	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 __TDA665x_H

#define __TDA665x_H



struct tda665x_config {

	char name[128];



	u8	addr;

	u32	frequency_min;

	u32	frequency_max;

	u32	frequency_offst;

	u32	ref_multiplier;

	u32	ref_divider;

};



#if defined(CONFIG_DVB_TDA665x) || (defined(CONFIG_DVB_TDA665x_MODULE) && defined(MODULE))



extern struct dvb_frontend *tda665x_attach(struct dvb_frontend *fe,

					   const struct tda665x_config *config,

					   struct i2c_adapter *i2c);



#else



static inline struct dvb_frontend *tda665x_attach(struct dvb_frontend *fe,

					   	  const struct tda665x_config *config,

						  struct i2c_adapter *i2c)

{

	printk(KERN_WARNING "%s: Driver disabled by Kconfig\n", __func__);

	return NULL;

}



#endif /* CONFIG_DVB_TDA665x */



#endif /* __TDA665x_H */

drivers/media/dvb/mantis/hopper_cards.c

+0 −1
Original line number Diff line number Diff line
@@ -219,7 +219,6 @@ static void __devexit hopper_pci_remove(struct pci_dev *pdev) 
	struct mantis_pci *mantis = pci_get_drvdata(pdev);



	if (mantis) {

//		mantis_uart_exit(mantis);

		mantis_dvb_exit(mantis);

		mantis_dma_exit(mantis);

		mantis_i2c_exit(mantis);

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