kernel_optimize_test/drivers/media/dvb/frontends/dib0090.h
Olivier Grenie 28fafca787 [media] DiB0090: misc improvements
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>
2011-03-21 20:31:41 -03:00

140 lines
4.0 KiB
C

/*
* Linux-DVB Driver for DiBcom's DiB0090 base-band RF Tuner.
*
* Copyright (C) 2005-7 DiBcom (http://www.dibcom.fr/)
*
* 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, version 2.
*/
#ifndef DIB0090_H
#define DIB0090_H
struct dvb_frontend;
struct i2c_adapter;
#define DEFAULT_DIB0090_I2C_ADDRESS 0x60
struct dib0090_io_config {
u32 clock_khz;
u8 pll_bypass:1;
u8 pll_range:1;
u8 pll_prediv:6;
u8 pll_loopdiv:6;
u8 adc_clock_ratio; /* valid is 8, 7 ,6 */
u16 pll_int_loop_filt;
};
struct dib0090_wbd_slope {
u16 max_freq; /* for every frequency less than or equal to that field: this information is correct */
u16 slope_cold;
u16 offset_cold;
u16 slope_hot;
u16 offset_hot;
u8 wbd_gain;
};
struct dib0090_low_if_offset_table {
int std;
u32 RF_freq;
s32 offset_khz;
};
struct dib0090_config {
struct dib0090_io_config io;
int (*reset) (struct dvb_frontend *, int);
int (*sleep) (struct dvb_frontend *, int);
/* offset in kHz */
int freq_offset_khz_uhf;
int freq_offset_khz_vhf;
int (*get_adc_power) (struct dvb_frontend *);
u8 clkouttobamse:1; /* activate or deactivate clock output */
u8 analog_output;
u8 i2c_address;
/* add drives and other things if necessary */
u16 wbd_vhf_offset;
u16 wbd_cband_offset;
u8 use_pwm_agc;
u8 clkoutdrive;
u8 ls_cfg_pad_drv;
u8 data_tx_drv;
u8 in_soc;
const struct dib0090_low_if_offset_table *low_if;
u8 fref_clock_ratio;
u16 force_cband_input;
struct dib0090_wbd_slope *wbd;
};
#if defined(CONFIG_DVB_TUNER_DIB0090) || (defined(CONFIG_DVB_TUNER_DIB0090_MODULE) && defined(MODULE))
extern struct dvb_frontend *dib0090_register(struct dvb_frontend *fe, struct i2c_adapter *i2c, const struct dib0090_config *config);
extern struct dvb_frontend *dib0090_fw_register(struct dvb_frontend *fe, struct i2c_adapter *i2c, const struct dib0090_config *config);
extern void dib0090_dcc_freq(struct dvb_frontend *fe, u8 fast);
extern void dib0090_pwm_gain_reset(struct dvb_frontend *fe);
extern u16 dib0090_get_wbd_offset(struct dvb_frontend *tuner);
extern int dib0090_gain_control(struct dvb_frontend *fe);
extern enum frontend_tune_state dib0090_get_tune_state(struct dvb_frontend *fe);
extern int dib0090_set_tune_state(struct dvb_frontend *fe, enum frontend_tune_state tune_state);
extern void dib0090_get_current_gain(struct dvb_frontend *fe, u16 * rf, u16 * bb, u16 * rf_gain_limit, u16 * rflt);
#else
static inline struct dvb_frontend *dib0090_register(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dib0090_config *config)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
static inline struct dvb_frontend *dib0090_fw_register(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dib0090_config *config)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
static inline void dib0090_dcc_freq(struct dvb_frontend *fe, u8 fast)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
}
static inline void dib0090_pwm_gain_reset(struct dvb_frontend *fe)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
}
static inline u16 dib0090_get_wbd_offset(struct dvb_frontend *tuner)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return 0;
}
static inline int dib0090_gain_control(struct dvb_frontend *fe)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return -ENODEV;
}
static inline enum frontend_tune_state dib0090_get_tune_state(struct dvb_frontend *fe)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return CT_DONE;
}
static inline int dib0090_set_tune_state(struct dvb_frontend *fe, enum frontend_tune_state tune_state)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return -ENODEV;
}
static inline void dib0090_get_current_gain(struct dvb_frontend *fe, u16 * rf, u16 * bb, u16 * rf_gain_limit, u16 * rflt)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
}
#endif
#endif