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linux-next/drivers/media/dvb/frontends/stv090x_priv.h
Andreas Regel 96506a5086 V4L/DVB (13976): [STV090x] Added mutex protection around tuner I2C access.
With this change it is possible to have the same I2C address for both tuners.

Signed-off-by: Andreas Regel <andreas.regel@gmx.de>
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-02-26 15:10:36 -03:00

280 lines
6.3 KiB
C

/*
STV0900/0903 Multistandard Broadcast Frontend driver
Copyright (C) Manu Abraham <abraham.manu@gmail.com>
Copyright (C) ST Microelectronics
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 __STV090x_PRIV_H
#define __STV090x_PRIV_H
#include "dvb_frontend.h"
#define FE_ERROR 0
#define FE_NOTICE 1
#define FE_INFO 2
#define FE_DEBUG 3
#define FE_DEBUGREG 4
#define dprintk(__y, __z, format, arg...) do { \
if (__z) { \
if ((verbose > FE_ERROR) && (verbose > __y)) \
printk(KERN_ERR "%s: " format "\n", __func__ , ##arg); \
else if ((verbose > FE_NOTICE) && (verbose > __y)) \
printk(KERN_NOTICE "%s: " format "\n", __func__ , ##arg); \
else if ((verbose > FE_INFO) && (verbose > __y)) \
printk(KERN_INFO "%s: " format "\n", __func__ , ##arg); \
else if ((verbose > FE_DEBUG) && (verbose > __y)) \
printk(KERN_DEBUG "%s: " format "\n", __func__ , ##arg); \
} else { \
if (verbose > __y) \
printk(format, ##arg); \
} \
} while (0)
#define STV090x_READ_DEMOD(__state, __reg) (( \
(__state)->demod == STV090x_DEMODULATOR_1) ? \
stv090x_read_reg(__state, STV090x_P2_##__reg) : \
stv090x_read_reg(__state, STV090x_P1_##__reg))
#define STV090x_WRITE_DEMOD(__state, __reg, __data) (( \
(__state)->demod == STV090x_DEMODULATOR_1) ? \
stv090x_write_reg(__state, STV090x_P2_##__reg, __data) :\
stv090x_write_reg(__state, STV090x_P1_##__reg, __data))
#define STV090x_ADDR_OFFST(__state, __x) (( \
(__state->demod) == STV090x_DEMODULATOR_1) ? \
STV090x_P1_##__x : \
STV090x_P2_##__x)
#define STV090x_SETFIELD(mask, bitf, val) (mask = (mask & (~(((1 << STV090x_WIDTH_##bitf) - 1) <<\
STV090x_OFFST_##bitf))) | \
(val << STV090x_OFFST_##bitf))
#define STV090x_GETFIELD(val, bitf) ((val >> STV090x_OFFST_##bitf) & ((1 << STV090x_WIDTH_##bitf) - 1))
#define STV090x_SETFIELD_Px(mask, bitf, val) (mask = (mask & (~(((1 << STV090x_WIDTH_Px_##bitf) - 1) <<\
STV090x_OFFST_Px_##bitf))) | \
(val << STV090x_OFFST_Px_##bitf))
#define STV090x_GETFIELD_Px(val, bitf) ((val >> STV090x_OFFST_Px_##bitf) & ((1 << STV090x_WIDTH_Px_##bitf) - 1))
#define MAKEWORD16(__a, __b) (((__a) << 8) | (__b))
#define MSB(__x) ((__x >> 8) & 0xff)
#define LSB(__x) (__x & 0xff)
#define STV090x_IQPOWER_THRESHOLD 30
#define STV090x_SEARCH_AGC2_TH_CUT20 700
#define STV090x_SEARCH_AGC2_TH_CUT30 1400
#define STV090x_SEARCH_AGC2_TH(__ver) \
((__ver <= 0x20) ? \
STV090x_SEARCH_AGC2_TH_CUT20 : \
STV090x_SEARCH_AGC2_TH_CUT30)
enum stv090x_signal_state {
STV090x_NOAGC1,
STV090x_NOCARRIER,
STV090x_NODATA,
STV090x_DATAOK,
STV090x_RANGEOK,
STV090x_OUTOFRANGE
};
enum stv090x_fec {
STV090x_PR12 = 0,
STV090x_PR23,
STV090x_PR34,
STV090x_PR45,
STV090x_PR56,
STV090x_PR67,
STV090x_PR78,
STV090x_PR89,
STV090x_PR910,
STV090x_PRERR
};
enum stv090x_modulation {
STV090x_QPSK,
STV090x_8PSK,
STV090x_16APSK,
STV090x_32APSK,
STV090x_UNKNOWN
};
enum stv090x_frame {
STV090x_LONG_FRAME,
STV090x_SHORT_FRAME
};
enum stv090x_pilot {
STV090x_PILOTS_OFF,
STV090x_PILOTS_ON
};
enum stv090x_rolloff {
STV090x_RO_35,
STV090x_RO_25,
STV090x_RO_20
};
enum stv090x_inversion {
STV090x_IQ_AUTO,
STV090x_IQ_NORMAL,
STV090x_IQ_SWAP
};
enum stv090x_modcod {
STV090x_DUMMY_PLF = 0,
STV090x_QPSK_14,
STV090x_QPSK_13,
STV090x_QPSK_25,
STV090x_QPSK_12,
STV090x_QPSK_35,
STV090x_QPSK_23,
STV090x_QPSK_34,
STV090x_QPSK_45,
STV090x_QPSK_56,
STV090x_QPSK_89,
STV090x_QPSK_910,
STV090x_8PSK_35,
STV090x_8PSK_23,
STV090x_8PSK_34,
STV090x_8PSK_56,
STV090x_8PSK_89,
STV090x_8PSK_910,
STV090x_16APSK_23,
STV090x_16APSK_34,
STV090x_16APSK_45,
STV090x_16APSK_56,
STV090x_16APSK_89,
STV090x_16APSK_910,
STV090x_32APSK_34,
STV090x_32APSK_45,
STV090x_32APSK_56,
STV090x_32APSK_89,
STV090x_32APSK_910,
STV090x_MODCODE_UNKNOWN
};
enum stv090x_search {
STV090x_SEARCH_DSS = 0,
STV090x_SEARCH_DVBS1,
STV090x_SEARCH_DVBS2,
STV090x_SEARCH_AUTO
};
enum stv090x_algo {
STV090x_BLIND_SEARCH,
STV090x_COLD_SEARCH,
STV090x_WARM_SEARCH
};
enum stv090x_delsys {
STV090x_ERROR = 0,
STV090x_DVBS1 = 1,
STV090x_DVBS2,
STV090x_DSS
};
struct stv090x_long_frame_crloop {
enum stv090x_modcod modcod;
u8 crl_pilots_on_2;
u8 crl_pilots_off_2;
u8 crl_pilots_on_5;
u8 crl_pilots_off_5;
u8 crl_pilots_on_10;
u8 crl_pilots_off_10;
u8 crl_pilots_on_20;
u8 crl_pilots_off_20;
u8 crl_pilots_on_30;
u8 crl_pilots_off_30;
};
struct stv090x_short_frame_crloop {
enum stv090x_modulation modulation;
u8 crl_2; /* SR < 3M */
u8 crl_5; /* 3 < SR <= 7M */
u8 crl_10; /* 7 < SR <= 15M */
u8 crl_20; /* 10 < SR <= 25M */
u8 crl_30; /* 10 < SR <= 45M */
};
struct stv090x_reg {
u16 addr;
u8 data;
};
struct stv090x_tab {
s32 real;
s32 read;
};
struct stv090x_internal {
struct i2c_adapter *i2c_adap;
u8 i2c_addr;
struct mutex demod_lock; /* Lock access to shared register */
struct mutex tuner_lock; /* Lock access to tuners */
s32 mclk; /* Masterclock Divider factor */
u32 dev_ver;
int num_used;
};
struct stv090x_state {
enum stv090x_device device;
enum stv090x_demodulator demod;
enum stv090x_mode demod_mode;
struct stv090x_internal *internal;
struct i2c_adapter *i2c;
const struct stv090x_config *config;
struct dvb_frontend frontend;
u32 *verbose; /* Cached module verbosity */
enum stv090x_delsys delsys;
enum stv090x_fec fec;
enum stv090x_modulation modulation;
enum stv090x_modcod modcod;
enum stv090x_search search_mode;
enum stv090x_frame frame_len;
enum stv090x_pilot pilots;
enum stv090x_rolloff rolloff;
enum stv090x_inversion inversion;
enum stv090x_algo algo;
u32 frequency;
u32 srate;
s32 tuner_bw;
s32 search_range;
s32 DemodTimeout;
s32 FecTimeout;
};
#endif /* __STV090x_PRIV_H */