V4L/DVB (10796): Add init code for NetUP Dual DVB-S2 CI card

/*

 * netup-init.c

 *

 * NetUP Dual DVB-S2 CI driver

 *

 * Copyright (C) 2009 NetUP Inc.

 * Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>

 * Copyright (C) 2009 Abylay Ospan <aospan@netup.ru>

 *

 * 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 "cx23885.h"

static void i2c_av_write(struct i2c_adapter *i2c, u16 reg, u8 val)

{

	int ret;

	u8 buf[3];

	struct i2c_msg msg = {

		.addr	= 0x88 >> 1,

		.flags	= 0,

		.buf	= buf,

		.len	= 3

	};

	buf[0] = reg >> 8;

	buf[1] = reg & 0xff;

	buf[2] = val;

	ret = i2c_transfer(i2c, &msg, 1);

	if (ret != 1)

		printk(KERN_ERR "%s: i2c write error!\n", __func__);

}

static void i2c_av_write4(struct i2c_adapter *i2c, u16 reg, u32 val)

{

	int ret;

	u8 buf[6];

	struct i2c_msg msg = {

		.addr	= 0x88 >> 1,

		.flags	= 0,

		.buf	= buf,

		.len	= 6

	};

	buf[0] = reg >> 8;

	buf[1] = reg & 0xff;

	buf[2] = val & 0xff;

	buf[3] = (val >> 8) & 0xff;

	buf[4] = (val >> 16) & 0xff;

	buf[5] = val >> 24;

	ret = i2c_transfer(i2c, &msg, 1);

	if (ret != 1)

		printk(KERN_ERR "%s: i2c write error!\n", __func__);

}

static u8 i2c_av_read(struct i2c_adapter *i2c, u16 reg)

{

	int ret;

	u8 buf[2];

	struct i2c_msg msg = {

		.addr	= 0x88 >> 1,

		.flags	= 0,

		.buf	= buf,

		.len	= 2

	};

	buf[0] = reg >> 8;

	buf[1] = reg & 0xff;

	ret = i2c_transfer(i2c, &msg, 1);

	if (ret != 1)

		printk(KERN_ERR "%s: i2c write error!\n", __func__);

	msg.flags = I2C_M_RD;

	msg.len = 1;

	ret = i2c_transfer(i2c, &msg, 1);

	if (ret != 1)

		printk(KERN_ERR "%s: i2c read error!\n", __func__);

	return buf[0];

}

static void i2c_av_and_or(struct i2c_adapter *i2c, u16 reg, unsigned and_mask,

								u8 or_value)

{

	i2c_av_write(i2c, reg, (i2c_av_read(i2c, reg) & and_mask) | or_value);

}

/* set 27MHz on AUX_CLK */

void netup_initialize(struct cx23885_dev *dev)

{

	struct cx23885_i2c *i2c_bus = &dev->i2c_bus[2];

	struct i2c_adapter *i2c = &i2c_bus->i2c_adap;

	/* Stop microcontroller */

	i2c_av_and_or(i2c, 0x803, ~0x10, 0x00);

	/* Aux PLL frac for 27 MHz */

	i2c_av_write4(i2c, 0x114, 0xea0eb3);

	/* Aux PLL int for 27 MHz */

	i2c_av_write4(i2c, 0x110, 0x090319);

	/* start microcontroller */

	i2c_av_and_or(i2c, 0x803, ~0x10, 0x10);

}

/*

 * netup-init.h

 *

 * NetUP Dual DVB-S2 CI driver

 *

 * Copyright (C) 2009 NetUP Inc.

 * Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>

 * Copyright (C) 2009 Abylay Ospan <aospan@netup.ru>

 *

 * 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.

 */

extern void netup_initialize(struct cx23885_dev *dev);