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158 lines
4.6 KiB
158 lines
4.6 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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* Montage Technology M88DS3103/M88RS6000 demodulator driver |
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* |
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* Copyright (C) 2013 Antti Palosaari <[email protected]> |
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*/ |
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#ifndef M88DS3103_H |
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#define M88DS3103_H |
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#include <linux/dvb/frontend.h> |
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/* |
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* I2C address |
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* 0x68, |
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*/ |
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/** |
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* enum m88ds3103_ts_mode - TS connection mode |
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* @M88DS3103_TS_SERIAL: TS output pin D0, normal |
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* @M88DS3103_TS_SERIAL_D7: TS output pin D7 |
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* @M88DS3103_TS_PARALLEL: TS Parallel mode |
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* @M88DS3103_TS_CI: TS CI Mode |
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*/ |
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enum m88ds3103_ts_mode { |
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M88DS3103_TS_SERIAL, |
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M88DS3103_TS_SERIAL_D7, |
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M88DS3103_TS_PARALLEL, |
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M88DS3103_TS_CI |
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}; |
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/** |
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* enum m88ds3103_clock_out |
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* @M88DS3103_CLOCK_OUT_DISABLED: Clock output is disabled |
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* @M88DS3103_CLOCK_OUT_ENABLED: Clock output is enabled with crystal |
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* clock. |
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* @M88DS3103_CLOCK_OUT_ENABLED_DIV2: Clock output is enabled with half |
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* crystal clock. |
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*/ |
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enum m88ds3103_clock_out { |
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M88DS3103_CLOCK_OUT_DISABLED, |
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M88DS3103_CLOCK_OUT_ENABLED, |
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M88DS3103_CLOCK_OUT_ENABLED_DIV2 |
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}; |
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/** |
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* struct m88ds3103_platform_data - Platform data for the m88ds3103 driver |
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* @clk: Clock frequency. |
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* @i2c_wr_max: Max bytes I2C adapter can write at once. |
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* @ts_mode: TS mode. |
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* @ts_clk: TS clock (KHz). |
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* @ts_clk_pol: TS clk polarity. 1-active at falling edge; 0-active at rising |
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* edge. |
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* @spec_inv: Input spectrum inversion. |
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* @agc: AGC configuration. |
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* @agc_inv: AGC polarity. |
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* @clk_out: Clock output. |
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* @envelope_mode: DiSEqC envelope mode. |
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* @lnb_hv_pol: LNB H/V pin polarity. 0: pin high set to VOLTAGE_18, pin low to |
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* set VOLTAGE_13. 1: pin high set to VOLTAGE_13, pin low to set VOLTAGE_18. |
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* @lnb_en_pol: LNB enable pin polarity. 0: pin high to disable, pin low to |
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* enable. 1: pin high to enable, pin low to disable. |
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* @get_dvb_frontend: Get DVB frontend. |
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* @get_i2c_adapter: Get I2C adapter. |
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*/ |
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struct m88ds3103_platform_data { |
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u32 clk; |
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u16 i2c_wr_max; |
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enum m88ds3103_ts_mode ts_mode; |
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u32 ts_clk; |
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enum m88ds3103_clock_out clk_out; |
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u8 ts_clk_pol:1; |
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u8 spec_inv:1; |
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u8 agc; |
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u8 agc_inv:1; |
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u8 envelope_mode:1; |
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u8 lnb_hv_pol:1; |
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u8 lnb_en_pol:1; |
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struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *); |
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struct i2c_adapter* (*get_i2c_adapter)(struct i2c_client *); |
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/* private: For legacy media attach wrapper. Do not set value. */ |
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u8 attach_in_use:1; |
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}; |
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/** |
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* struct m88ds3103_config - m88ds3102 configuration |
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* |
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* @i2c_addr: I2C address. Default: none, must set. Example: 0x68, ... |
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* @clock: Device's clock. Default: none, must set. Example: 27000000 |
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* @i2c_wr_max: Max bytes I2C provider is asked to write at once. |
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* Default: none, must set. Example: 33, 65, ... |
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* @ts_mode: TS output mode, as defined by &enum m88ds3103_ts_mode. |
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* Default: M88DS3103_TS_SERIAL. |
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* @ts_clk: TS clk in KHz. Default: 0. |
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* @ts_clk_pol: TS clk polarity.Default: 0. |
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* 1-active at falling edge; 0-active at rising edge. |
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* @spec_inv: Spectrum inversion. Default: 0. |
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* @agc_inv: AGC polarity. Default: 0. |
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* @clock_out: Clock output, as defined by &enum m88ds3103_clock_out. |
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* Default: M88DS3103_CLOCK_OUT_DISABLED. |
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* @envelope_mode: DiSEqC envelope mode. Default: 0. |
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* @agc: AGC configuration. Default: none, must set. |
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* @lnb_hv_pol: LNB H/V pin polarity. Default: 0. Values: |
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* 1: pin high set to VOLTAGE_13, pin low to set VOLTAGE_18; |
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* 0: pin high set to VOLTAGE_18, pin low to set VOLTAGE_13. |
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* @lnb_en_pol: LNB enable pin polarity. Default: 0. Values: |
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* 1: pin high to enable, pin low to disable; |
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* 0: pin high to disable, pin low to enable. |
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*/ |
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struct m88ds3103_config { |
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u8 i2c_addr; |
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u32 clock; |
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u16 i2c_wr_max; |
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u8 ts_mode; |
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u32 ts_clk; |
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u8 ts_clk_pol:1; |
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u8 spec_inv:1; |
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u8 agc_inv:1; |
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u8 clock_out; |
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u8 envelope_mode:1; |
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u8 agc; |
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u8 lnb_hv_pol:1; |
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u8 lnb_en_pol:1; |
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}; |
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#if defined(CONFIG_DVB_M88DS3103) || \ |
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(defined(CONFIG_DVB_M88DS3103_MODULE) && defined(MODULE)) |
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/** |
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* m88ds3103_attach - Attach a m88ds3103 demod |
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* |
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* @config: pointer to &struct m88ds3103_config with demod configuration. |
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* @i2c: i2c adapter to use. |
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* @tuner_i2c: on success, returns the I2C adapter associated with |
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* m88ds3103 tuner. |
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* |
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* return: FE pointer on success, NULL on failure. |
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* Note: Do not add new m88ds3103_attach() users! Use I2C bindings instead. |
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*/ |
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extern struct dvb_frontend *m88ds3103_attach( |
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const struct m88ds3103_config *config, |
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struct i2c_adapter *i2c, |
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struct i2c_adapter **tuner_i2c); |
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extern int m88ds3103_get_agc_pwm(struct dvb_frontend *fe, u8 *_agc_pwm); |
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#else |
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static inline struct dvb_frontend *m88ds3103_attach( |
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const struct m88ds3103_config *config, |
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struct i2c_adapter *i2c, |
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struct i2c_adapter **tuner_i2c) |
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{ |
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pr_warn("%s: driver disabled by Kconfig\n", __func__); |
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return NULL; |
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} |
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#define m88ds3103_get_agc_pwm NULL |
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#endif |
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#endif
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