path: root/drivers/media/common/tuners/mxl5007t.c

/*
 *  mxl5007t.c - driver for the MaxLinear MxL5007T silicon tuner
 *
 *  Copyright (C) 2008 Michael Krufky <mkrufky@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; 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/i2c.h>
#include <linux/types.h>
#include <linux/videodev2.h>
#include "tuner-i2c.h"
#include "mxl5007t.h"

static DEFINE_MUTEX(mxl5007t_list_mutex);
static LIST_HEAD(hybrid_tuner_instance_list);

static int mxl5007t_debug;
module_param_named(debug, mxl5007t_debug, int, 0644);
MODULE_PARM_DESC(debug, "set debug level");

/* ------------------------------------------------------------------------- */

#define mxl_printk(kern, fmt, arg...) \
	printk(kern "%s: " fmt "\n", __func__, ##arg)

#define mxl_err(fmt, arg...) \
	mxl_printk(KERN_ERR, "%d: " fmt, __LINE__, ##arg)

#define mxl_warn(fmt, arg...) \
	mxl_printk(KERN_WARNING, fmt, ##arg)

#define mxl_info(fmt, arg...) \
	mxl_printk(KERN_INFO, fmt, ##arg)

#define mxl_debug(fmt, arg...)				\
({							\
	if (mxl5007t_debug)				\
		mxl_printk(KERN_DEBUG, fmt, ##arg);	\
})

#define mxl_fail(ret)							\
({									\
	int __ret;							\
	__ret = (ret < 0);						\
	if (__ret)							\
		mxl_printk(KERN_ERR, "error %d on line %d",		\
			   ret, __LINE__);				\
	__ret;								\
})

/* ------------------------------------------------------------------------- */

#define MHz 1000000

enum mxl5007t_mode {
	MxL_MODE_OTA_DVBT_ATSC        =    0,
	MxL_MODE_OTA_NTSC_PAL_GH      =    1,
	MxL_MODE_OTA_PAL_IB           =    2,
	MxL_MODE_OTA_PAL_D_SECAM_KL   =    3,
	MxL_MODE_OTA_ISDBT            =    4,
	MxL_MODE_CABLE_DIGITAL        = 0x10,
	MxL_MODE_CABLE_NTSC_PAL_GH    = 0x11,
	MxL_MODE_CABLE_PAL_IB         = 0x12,
	MxL_MODE_CABLE_PAL_D_SECAM_KL = 0x13,
	MxL_MODE_CABLE_SCTE40         = 0x14,
};

enum mxl5007t_chip_version {
	MxL_UNKNOWN_ID     = 0x00,
	MxL_5007_V1_F1     = 0x11,
	MxL_5007_V1_F2     = 0x12,
	MxL_5007_V2_100_F1 = 0x21,
	MxL_5007_V2_100_F2 = 0x22,
	MxL_5007_V2_200_F1 = 0x23,
	MxL_5007_V2_200_F2 = 0x24,
};

struct reg_pair_t {
	u8 reg;
	u8 val;
};

/* ------------------------------------------------------------------------- */

static struct reg_pair_t init_tab[] = {
	{ 0x0b, 0x44 }, /* XTAL */
	{ 0x0c, 0x60 }, /* IF */
	{ 0x10, 0x00 }, /* MISC */
	{ 0x12, 0xca }, /* IDAC */
	{ 0x16, 0x90 }, /* MODE */
	{ 0x32, 0x38 }, /* MODE Analog/Digital */
	{ 0xd8, 0x18 }, /* CLK_OUT_ENABLE */
	{ 0x2c, 0x34 }, /* OVERRIDE */
	{ 0x4d, 0x40 }, /* OVERRIDE */
	{ 0x7f, 0x02 }, /* OVERRIDE */
	{ 0x9a, 0x52 }, /* OVERRIDE */
	{ 0x48, 0x5a }, /* OVERRIDE */
	{ 0x76, 0x1a }, /* OVERRIDE */
	{ 0x6a, 0x48 }, /* OVERRIDE */
	{ 0x64, 0x28 }, /* OVERRIDE */
	{ 0x66, 0xe6 }, /* OVERRIDE */
	{ 0x35, 0x0e }, /* OVERRIDE */
	{ 0x7e, 0x01 }, /* OVERRIDE */
	{ 0x83, 0x00 }, /* OVERRIDE */
	{ 0x04, 0x0b }, /* OVERRIDE */
	{ 0x05, 0x01 }, /* TOP_MASTER_ENABLE */
	{ 0, 0 }
};

static struct reg_pair_t init_tab_cable[] = {
	{ 0x0b, 0x44 }, /* XTAL */
	{ 0x0c, 0x60 }, /* IF */
	{ 0x10, 0x00 }, /* MISC */
	{ 0x12, 0xca }, /* IDAC */
	{ 0x16, 0x90 }, /* MODE */
	{ 0x32, 0x38 }, /* MODE A/D */
	{ 0x71, 0x3f }, /* TOP1 */
	{ 0x72, 0x3f }, /* TOP2 */
	{ 0x74, 0x3f }, /* TOP3 */
	{ 0xd8, 0x18 }, /* CLK_OUT_ENABLE */
	{ 0x2c, 0x34 }, /* OVERRIDE */
	{ 0x4d, 0x40 }, /* OVERRIDE */
	{ 0x7f, 0x02 }, /* OVERRIDE */
	{ 0x9a, 0x52 }, /* OVERRIDE */
	{ 0x48, 0x5a }, /* OVERRIDE */
	{ 0x76, 0x1a }, /* OVERRIDE */
	{ 0x6a, 0x48 }, /* OVERRIDE */
	{ 0x64, 0x28 }, /* OVERRIDE */
	{ 0x66, 0xe6 }, /* OVERRIDE */
	{ 0x35, 0x0e }, /* OVERRIDE */
	{ 0x7e, 0x01 }, /* OVERRIDE */
	{ 0x04, 0x0b