135 строки
3.7 KiB
C
135 строки
3.7 KiB
C
/*
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STV0900/0903 Multistandard Broadcast Frontend driver
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Copyright (C) Manu Abraham <abraham.manu@gmail.com>
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Copyright (C) ST Microelectronics
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __STV090x_H
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#define __STV090x_H
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enum stv090x_demodulator {
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STV090x_DEMODULATOR_0 = 1,
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STV090x_DEMODULATOR_1
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};
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enum stv090x_device {
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STV0903 = 0,
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STV0900,
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};
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enum stv090x_mode {
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STV090x_DUAL = 0,
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STV090x_SINGLE
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};
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enum stv090x_tsmode {
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STV090x_TSMODE_SERIAL_PUNCTURED = 1,
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STV090x_TSMODE_SERIAL_CONTINUOUS,
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STV090x_TSMODE_PARALLEL_PUNCTURED,
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STV090x_TSMODE_DVBCI
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};
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enum stv090x_clkmode {
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STV090x_CLK_INT = 0, /* Clk i/p = CLKI */
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STV090x_CLK_EXT = 2 /* Clk i/p = XTALI */
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};
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enum stv090x_i2crpt {
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STV090x_RPTLEVEL_256 = 0,
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STV090x_RPTLEVEL_128 = 1,
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STV090x_RPTLEVEL_64 = 2,
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STV090x_RPTLEVEL_32 = 3,
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STV090x_RPTLEVEL_16 = 4,
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STV090x_RPTLEVEL_8 = 5,
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STV090x_RPTLEVEL_4 = 6,
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STV090x_RPTLEVEL_2 = 7,
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};
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enum stv090x_adc_range {
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STV090x_ADC_2Vpp = 0,
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STV090x_ADC_1Vpp = 1
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};
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struct stv090x_config {
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enum stv090x_device device;
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enum stv090x_mode demod_mode;
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enum stv090x_clkmode clk_mode;
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u32 xtal; /* default: 8000000 */
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u8 address; /* default: 0x68 */
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u8 ts1_mode;
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u8 ts2_mode;
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u32 ts1_clk;
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u32 ts2_clk;
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u8 ts1_tei : 1;
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u8 ts2_tei : 1;
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enum stv090x_i2crpt repeater_level;
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u8 tuner_bbgain; /* default: 10db */
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enum stv090x_adc_range adc1_range; /* default: 2Vpp */
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enum stv090x_adc_range adc2_range; /* default: 2Vpp */
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bool diseqc_envelope_mode;
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int (*tuner_init) (struct dvb_frontend *fe);
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int (*tuner_sleep) (struct dvb_frontend *fe);
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int (*tuner_set_mode) (struct dvb_frontend *fe, enum tuner_mode mode);
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int (*tuner_set_frequency) (struct dvb_frontend *fe, u32 frequency);
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int (*tuner_get_frequency) (struct dvb_frontend *fe, u32 *frequency);
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int (*tuner_set_bandwidth) (struct dvb_frontend *fe, u32 bandwidth);
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int (*tuner_get_bandwidth) (struct dvb_frontend *fe, u32 *bandwidth);
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int (*tuner_set_bbgain) (struct dvb_frontend *fe, u32 gain);
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int (*tuner_get_bbgain) (struct dvb_frontend *fe, u32 *gain);
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int (*tuner_set_refclk) (struct dvb_frontend *fe, u32 refclk);
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int (*tuner_get_status) (struct dvb_frontend *fe, u32 *status);
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void (*tuner_i2c_lock) (struct dvb_frontend *fe, int lock);
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};
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#if IS_ENABLED(CONFIG_DVB_STV090x)
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extern struct dvb_frontend *stv090x_attach(const struct stv090x_config *config,
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struct i2c_adapter *i2c,
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enum stv090x_demodulator demod);
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/* dir = 0 -> output, dir = 1 -> input/open-drain */
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extern int stv090x_set_gpio(struct dvb_frontend *fe, u8 gpio,
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u8 dir, u8 value, u8 xor_value);
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#else
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static inline struct dvb_frontend *stv090x_attach(const struct stv090x_config *config,
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struct i2c_adapter *i2c,
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enum stv090x_demodulator demod)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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return NULL;
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}
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static inline int stv090x_set_gpio(struct dvb_frontend *fe, u8 gpio,
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u8 opd, u8 value, u8 xor_value)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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return -ENODEV;
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}
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#endif /* CONFIG_DVB_STV090x */
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#endif /* __STV090x_H */
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