path: root/drivers/media/dvb-frontends/rtl2832.c

/*
 * Realtek RTL2832 DVB-T demodulator driver
 *
 * Copyright (C) 2012 Thomas Mair <thomas.mair86@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.,
 *	51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include "rtl2832_priv.h"
#include "dvb_math.h"
#include <linux/bitops.h>

int rtl2832_debug;
module_param_named(debug, rtl2832_debug, int, 0644);
MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");

#define REG_MASK(b) (BIT(b + 1) - 1)

static const struct rtl2832_reg_entry registers[] = {
	[DVBT_SOFT_RST]		= {0x1, 0x1,   2, 2},
	[DVBT_IIC_REPEAT]	= {0x1, 0x1,   3, 3},
	[DVBT_TR_WAIT_MIN_8K]	= {0x1, 0x88, 11, 2},
	[DVBT_RSD_BER_FAIL_VAL]	= {0x1, 0x8f, 15, 0},
	[DVBT_EN_BK_TRK]	= {0x1, 0xa6,  7, 7},
	[DVBT_AD_EN_REG]	= {0x0, 0x8,   7, 7},
	[DVBT_AD_EN_REG1]	= {0x0, 0x8,   6, 6},
	[DVBT_EN_BBIN]		= {0x1, 0xb1,  0, 0},
	[DVBT_MGD_THD0]		= {0x1, 0x95,  7, 0},
	[DVBT_MGD_THD1]		= {0x1, 0x96,  7, 0},
	[DVBT_MGD_THD2]		= {0x1, 0x97,  7, 0},
	[DVBT_MGD_THD3]		= {0x1, 0x98,  7, 0},
	[DVBT_MGD_THD4]		= {0x1, 0x99,  7, 0},
	[DVBT_MGD_THD5]		= {0x1, 0x9a,  7, 0},
	[DVBT_MGD_THD6]		= {0x1, 0x9b,  7, 0},
	[DVBT_MGD_THD7]		= {0x1, 0x9c,  7, 0},
	[DVBT_EN_CACQ_NOTCH]	= {0x1, 0x61,  4, 4},
	[DVBT_AD_AV_REF]	= {0x0, 0x9,   6, 0},
	[DVBT_REG_PI]		= {0x0, 0xa,   2, 0},
	[DVBT_PIP_ON]		= {0x0, 0x21,  3, 3},
	[DVBT_SCALE1_B92]	= {0x2, 0x92,  7, 0},
	[DVBT_SCALE1_B93]	= {0x2, 0x93,  7, 0},
	[DVBT_SCALE1_BA7]	= {0x2, 0xa7,  7, 0},
	[DVBT_SCALE1_BA9]	= {0x2, 0xa9,  7, 0},
	[DVBT_SCALE1_BAA]	= {0x2, 0xaa,  7, 0},
	[DVBT_SCALE1_BAB]	= {0x2, 0xab,  7, 0},
	[DVBT_SCALE1_BAC]	= {0x2, 0xac,  7, 0},
	[DVBT_SCALE1_BB0]	= {0x2, 0xb0,  7, 0},
	[DVBT_SCALE1_BB1]	= {0x2, 0xb1,  7, 0},
	[DVBT_KB_P1]		= {0x1, 0x64,  3, 1},
	[DVBT_KB_P2]		= {0x1, 0x64,  6, 4},
	[DVBT_KB_P3]		= {0x1, 0x65,  2, 0},
	[DVBT_OPT_ADC_IQ]	= {0x0, 0x6,   5, 4},
	[DVBT_AD_AVI]		= {0x0, 0x9,   1, 0},
	[DVBT_AD_AVQ]		= {0x0, 0x9,   3, 2},
	[DVBT_K1_CR_STEP12]	= {0x2, 0xad,  9, 4},
	[DVBT_TRK_KS_P2]	= {0x1, 0x6f,  2, 0},
	[DVBT_TRK_KS_I2]	= {0x1, 0x70,  5, 3},
	[DVBT_TR_THD_SET2]	= {0x1, 0x72,  3, 0},
	[DVBT_TRK_KC_P2]	= {0x1, 0x73,  5, 3},
	[DVBT_TRK_KC_I2]	= {0x1, 0x75,  2, 0},
	[DVBT_CR_THD_SET2]	= {0x1, 0x76,  7, 6},
	[DVBT_PSET_IFFREQ]	= {0x1, 0x19, 21, 0},
	[DVBT_SPEC_INV]		= {0x1, 0x15,  0, 0</