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/*
* Driver for Micronas DVB-T drx397xD demodulator
*
* Copyright (C) 2007 Henk vergonet <Henk.Vergonet@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 _DRX397XD_H_INCLUDED
#define _DRX397XD_H_INCLUDED
#include <linux/dvb/frontend.h>
#define DRX_F_STEPSIZE 166667
#define DRX_F_OFFSET 36000000
#define I2C_ADR_C0(x) \
( cpu_to_le32( \
(u32)( \
(((u32)(x) & (u32)0x000000ffUL) ) | \
(((u32)(x) & (u32)0x0000ff00UL) << 16) | \
(((u32)(x) & (u32)0x0fff0000UL) >> 8) | \
( (u32)0x00c00000UL) \
)) \
)
#define I2C_ADR_E0(x) \
( cpu_to_le32( \
(u32)( \
(((u32)(x) & (u32)0x000000ffUL) ) | \
(((u32)(x) & (u32)0x0000ff00UL) << 16) | \
(((u32)(x) & (u32)0x0fff0000UL) >> 8) | \
( (u32)0x00e00000UL) \
)) \
)
struct drx397xD_CfgRfAgc /* 0x7c */
{
int d00; /* 2 */
u16 w04;
u16 w06;
};
struct drx397xD_CfgIfAgc /* 0x68 */
{
int d00; /* 0 */
u16 w04; /* 0 */
u16 w06;
u16 w08;
u16 w0A;
u16 w0C;
};
struct drx397xD_s20 {
int d04;
u32 d18;
u32 d1C;
u32 d20;
u32 d14;
u32 d24;
u32 d0C;
u32 d08;
};
struct drx397xD_config
{
/* demodulator's I2C address */
u8 demod_address; /* 0x0f */
struct drx397xD_CfgIfAgc ifagc; /* 0x68 */
struct drx397xD_CfgRfAgc rfagc; /* 0x7c */
u32 s20d24;
/* HI_CfgCommand parameters */
u16 w50, w52, /* w54, */ w56;
int d5C;
int d60;
int d48;
int d28;
u32 f_if; /* d14: intermediate frequency [Hz] */
/* 36000000 on Cinergy 2400i DT */
/* 42800000 on Pinnacle Hybrid PRO 330e */
u16 f_osc; /* s66: 48000 oscillator frequency [kHz] */
u16 w92; /* 20000 */
u16 wA0;
u16 w98;
u16 w9A;
u16 w9C; /* 0xe0 */
u16 w9E; /* 0x00 */
/* used for signal strength calculations in
drx397x_read_signal_strength
*/
u16 ss78; // 2200
u16 ss7A; // 150
u16 ss76; // 820
};
#if defined(CONFIG_DVB_DRX397XD) || (defined(CONFIG_DVB_DRX397XD_MODULE) && defined(MODULE))
extern struct dvb_frontend* drx397xD_attach(const struct drx397xD_config *config,
struct i2c_adapter *i2c);
#else
static inline struct dvb_frontend* drx397xD_attach(const struct drx397xD_config *config,
struct i2c_adapter *i2c)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif /* CONFIG_DVB_DRX397XD */
#endif /* _DRX397XD_H_INCLUDED */
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