diff options
Diffstat (limited to 'drivers/media/tuners/tda18271.h')
| -rw-r--r-- | drivers/media/tuners/tda18271.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/drivers/media/tuners/tda18271.h b/drivers/media/tuners/tda18271.h new file mode 100644 index 0000000000..38006b3411 --- /dev/null +++ b/drivers/media/tuners/tda18271.h @@ -0,0 +1,127 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + tda18271.h - header for the Philips / NXP TDA18271 silicon tuner + + Copyright (C) 2007, 2008 Michael Krufky <mkrufky@linuxtv.org> + +*/ + +#ifndef __TDA18271_H__ +#define __TDA18271_H__ + +#include <linux/i2c.h> +#include <media/dvb_frontend.h> + +struct tda18271_std_map_item { + u16 if_freq; + + /* EP3[4:3] */ + unsigned int agc_mode:2; + /* EP3[2:0] */ + unsigned int std:3; + /* EP4[7] */ + unsigned int fm_rfn:1; + /* EP4[4:2] */ + unsigned int if_lvl:3; + /* EB22[6:0] */ + unsigned int rfagc_top:7; +}; + +struct tda18271_std_map { + struct tda18271_std_map_item fm_radio; + struct tda18271_std_map_item atv_b; + struct tda18271_std_map_item atv_dk; + struct tda18271_std_map_item atv_gh; + struct tda18271_std_map_item atv_i; + struct tda18271_std_map_item atv_l; + struct tda18271_std_map_item atv_lc; + struct tda18271_std_map_item atv_mn; + struct tda18271_std_map_item atsc_6; + struct tda18271_std_map_item dvbt_6; + struct tda18271_std_map_item dvbt_7; + struct tda18271_std_map_item dvbt_8; + struct tda18271_std_map_item qam_6; + struct tda18271_std_map_item qam_7; + struct tda18271_std_map_item qam_8; +}; + +enum tda18271_role { + TDA18271_MASTER = 0, + TDA18271_SLAVE, +}; + +enum tda18271_i2c_gate { + TDA18271_GATE_AUTO = 0, + TDA18271_GATE_ANALOG, + TDA18271_GATE_DIGITAL, +}; + +enum tda18271_output_options { + /* slave tuner output & loop through & xtal oscillator always on */ + TDA18271_OUTPUT_LT_XT_ON = 0, + + /* slave tuner output loop through off */ + TDA18271_OUTPUT_LT_OFF = 1, + + /* xtal oscillator off */ + TDA18271_OUTPUT_XT_OFF = 2, +}; + +enum tda18271_small_i2c { + TDA18271_39_BYTE_CHUNK_INIT = 0, + TDA18271_16_BYTE_CHUNK_INIT = 16, + TDA18271_08_BYTE_CHUNK_INIT = 8, + TDA18271_03_BYTE_CHUNK_INIT = 3, +}; + +struct tda18271_config { + /* override default if freq / std settings (optional) */ + struct tda18271_std_map *std_map; + + /* master / slave tuner: master uses main pll, slave uses cal pll */ + enum tda18271_role role; + + /* use i2c gate provided by analog or digital demod */ + enum tda18271_i2c_gate gate; + + /* output options that can be disabled */ + enum tda18271_output_options output_opt; + + /* some i2c providers can't write all 39 registers at once */ + enum tda18271_small_i2c small_i2c; + + /* force rf tracking filter calibration on startup */ + unsigned int rf_cal_on_startup:1; + + /* prevent any register access during attach(), + * delaying both IR & RF calibration until init() + * module option 'cal' overrides this delay */ + unsigned int delay_cal:1; + + /* interface to saa713x / tda829x */ + unsigned int config; +}; + +#define TDA18271_CALLBACK_CMD_AGC_ENABLE 0 + +enum tda18271_mode { + TDA18271_ANALOG = 0, + TDA18271_DIGITAL, +}; + +#if IS_REACHABLE(CONFIG_MEDIA_TUNER_TDA18271) +extern struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr, + struct i2c_adapter *i2c, + struct tda18271_config *cfg); +#else +static inline struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, + u8 addr, + struct i2c_adapter *i2c, + struct tda18271_config *cfg) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif + +#endif /* __TDA18271_H__ */ |