forked from Minki/linux
28fafca787
This patch adds several performance improvements and prepares the usage of firmware-based devices. Signed-off-by: Olivier Grenie <olivier.grenie@dibcom.fr> Signed-off-by: Patrick Boettcher <patrick.boettcher@dibcom.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
140 lines
4.0 KiB
C
140 lines
4.0 KiB
C
/*
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* Linux-DVB Driver for DiBcom's DiB0090 base-band RF Tuner.
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*
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* Copyright (C) 2005-7 DiBcom (http://www.dibcom.fr/)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation, version 2.
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*/
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#ifndef DIB0090_H
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#define DIB0090_H
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struct dvb_frontend;
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struct i2c_adapter;
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#define DEFAULT_DIB0090_I2C_ADDRESS 0x60
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struct dib0090_io_config {
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u32 clock_khz;
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u8 pll_bypass:1;
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u8 pll_range:1;
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u8 pll_prediv:6;
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u8 pll_loopdiv:6;
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u8 adc_clock_ratio; /* valid is 8, 7 ,6 */
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u16 pll_int_loop_filt;
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};
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struct dib0090_wbd_slope {
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u16 max_freq; /* for every frequency less than or equal to that field: this information is correct */
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u16 slope_cold;
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u16 offset_cold;
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u16 slope_hot;
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u16 offset_hot;
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u8 wbd_gain;
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};
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struct dib0090_low_if_offset_table {
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int std;
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u32 RF_freq;
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s32 offset_khz;
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};
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struct dib0090_config {
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struct dib0090_io_config io;
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int (*reset) (struct dvb_frontend *, int);
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int (*sleep) (struct dvb_frontend *, int);
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/* offset in kHz */
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int freq_offset_khz_uhf;
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int freq_offset_khz_vhf;
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int (*get_adc_power) (struct dvb_frontend *);
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u8 clkouttobamse:1; /* activate or deactivate clock output */
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u8 analog_output;
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u8 i2c_address;
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/* add drives and other things if necessary */
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u16 wbd_vhf_offset;
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u16 wbd_cband_offset;
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u8 use_pwm_agc;
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u8 clkoutdrive;
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u8 ls_cfg_pad_drv;
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u8 data_tx_drv;
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u8 in_soc;
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const struct dib0090_low_if_offset_table *low_if;
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u8 fref_clock_ratio;
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u16 force_cband_input;
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struct dib0090_wbd_slope *wbd;
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};
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#if defined(CONFIG_DVB_TUNER_DIB0090) || (defined(CONFIG_DVB_TUNER_DIB0090_MODULE) && defined(MODULE))
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extern struct dvb_frontend *dib0090_register(struct dvb_frontend *fe, struct i2c_adapter *i2c, const struct dib0090_config *config);
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extern struct dvb_frontend *dib0090_fw_register(struct dvb_frontend *fe, struct i2c_adapter *i2c, const struct dib0090_config *config);
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extern void dib0090_dcc_freq(struct dvb_frontend *fe, u8 fast);
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extern void dib0090_pwm_gain_reset(struct dvb_frontend *fe);
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extern u16 dib0090_get_wbd_offset(struct dvb_frontend *tuner);
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extern int dib0090_gain_control(struct dvb_frontend *fe);
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extern enum frontend_tune_state dib0090_get_tune_state(struct dvb_frontend *fe);
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extern int dib0090_set_tune_state(struct dvb_frontend *fe, enum frontend_tune_state tune_state);
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extern void dib0090_get_current_gain(struct dvb_frontend *fe, u16 * rf, u16 * bb, u16 * rf_gain_limit, u16 * rflt);
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#else
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static inline struct dvb_frontend *dib0090_register(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dib0090_config *config)
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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 struct dvb_frontend *dib0090_fw_register(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dib0090_config *config)
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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 void dib0090_dcc_freq(struct dvb_frontend *fe, u8 fast)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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}
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static inline void dib0090_pwm_gain_reset(struct dvb_frontend *fe)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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}
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static inline u16 dib0090_get_wbd_offset(struct dvb_frontend *tuner)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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return 0;
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}
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static inline int dib0090_gain_control(struct dvb_frontend *fe)
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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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static inline enum frontend_tune_state dib0090_get_tune_state(struct dvb_frontend *fe)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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return CT_DONE;
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}
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static inline int dib0090_set_tune_state(struct dvb_frontend *fe, enum frontend_tune_state tune_state)
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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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static inline void dib0090_get_current_gain(struct dvb_frontend *fe, u16 * rf, u16 * bb, u16 * rf_gain_limit, u16 * rflt)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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}
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#endif
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#endif
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