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