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- /*
- * Montage Technology M88DS3103/M88RS6000 demodulator driver
- *
- * Copyright (C) 2013 Antti Palosaari <crope@iki.fi>
- *
- * 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; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
- #ifndef M88DS3103_H
- #define M88DS3103_H
- #include <linux/dvb/frontend.h>
- /*
- * I2C address
- * 0x68,
- */
- /**
- * struct m88ds3103_platform_data - Platform data for the m88ds3103 driver
- * @clk: Clock frequency.
- * @i2c_wr_max: Max bytes I2C adapter can write at once.
- * @ts_mode: TS mode.
- * @ts_clk: TS clock (KHz).
- * @ts_clk_pol: TS clk polarity. 1-active at falling edge; 0-active at rising
- * edge.
- * @spec_inv: Input spectrum inversion.
- * @agc: AGC configuration.
- * @agc_inv: AGC polarity.
- * @clk_out: Clock output.
- * @envelope_mode: DiSEqC envelope mode.
- * @lnb_hv_pol: LNB H/V pin polarity. 0: pin high set to VOLTAGE_18, pin low to
- * set VOLTAGE_13. 1: pin high set to VOLTAGE_13, pin low to set VOLTAGE_18.
- * @lnb_en_pol: LNB enable pin polarity. 0: pin high to disable, pin low to
- * enable. 1: pin high to enable, pin low to disable.
- * @get_dvb_frontend: Get DVB frontend.
- * @get_i2c_adapter: Get I2C adapter.
- */
- struct m88ds3103_platform_data {
- u32 clk;
- u16 i2c_wr_max;
- #define M88DS3103_TS_SERIAL 0 /* TS output pin D0, normal */
- #define M88DS3103_TS_SERIAL_D7 1 /* TS output pin D7 */
- #define M88DS3103_TS_PARALLEL 2 /* TS Parallel mode */
- #define M88DS3103_TS_CI 3 /* TS CI Mode */
- u8 ts_mode:2;
- u32 ts_clk;
- u8 ts_clk_pol:1;
- u8 spec_inv:1;
- u8 agc;
- u8 agc_inv:1;
- #define M88DS3103_CLOCK_OUT_DISABLED 0
- #define M88DS3103_CLOCK_OUT_ENABLED 1
- #define M88DS3103_CLOCK_OUT_ENABLED_DIV2 2
- u8 clk_out:2;
- u8 envelope_mode:1;
- u8 lnb_hv_pol:1;
- u8 lnb_en_pol:1;
- struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *);
- struct i2c_adapter* (*get_i2c_adapter)(struct i2c_client *);
- /* private: For legacy media attach wrapper. Do not set value. */
- u8 attach_in_use:1;
- };
- /*
- * Do not add new m88ds3103_attach() users! Use I2C bindings instead.
- */
- struct m88ds3103_config {
- /*
- * I2C address
- * Default: none, must set
- * 0x68, ...
- */
- u8 i2c_addr;
- /*
- * clock
- * Default: none, must set
- * 27000000
- */
- u32 clock;
- /*
- * max bytes I2C provider is asked to write at once
- * Default: none, must set
- * 33, 65, ...
- */
- u16 i2c_wr_max;
- /*
- * TS output mode
- * Default: M88DS3103_TS_SERIAL
- */
- #define M88DS3103_TS_SERIAL 0 /* TS output pin D0, normal */
- #define M88DS3103_TS_SERIAL_D7 1 /* TS output pin D7 */
- #define M88DS3103_TS_PARALLEL 2 /* TS Parallel mode */
- #define M88DS3103_TS_CI 3 /* TS CI Mode */
- u8 ts_mode;
- /*
- * TS clk in KHz
- * Default: 0.
- */
- u32 ts_clk;
- /*
- * TS clk polarity.
- * Default: 0. 1-active at falling edge; 0-active at rising edge.
- */
- u8 ts_clk_pol:1;
- /*
- * spectrum inversion
- * Default: 0
- */
- u8 spec_inv:1;
- /*
- * AGC polarity
- * Default: 0
- */
- u8 agc_inv:1;
- /*
- * clock output
- * Default: M88DS3103_CLOCK_OUT_DISABLED
- */
- #define M88DS3103_CLOCK_OUT_DISABLED 0
- #define M88DS3103_CLOCK_OUT_ENABLED 1
- #define M88DS3103_CLOCK_OUT_ENABLED_DIV2 2
- u8 clock_out;
- /*
- * DiSEqC envelope mode
- * Default: 0
- */
- u8 envelope_mode:1;
- /*
- * AGC configuration
- * Default: none, must set
- */
- u8 agc;
- /*
- * LNB H/V pin polarity
- * Default: 0.
- * 1: pin high set to VOLTAGE_13, pin low to set VOLTAGE_18.
- * 0: pin high set to VOLTAGE_18, pin low to set VOLTAGE_13.
- */
- u8 lnb_hv_pol:1;
- /*
- * LNB enable pin polarity
- * Default: 0.
- * 1: pin high to enable, pin low to disable.
- * 0: pin high to disable, pin low to enable.
- */
- u8 lnb_en_pol:1;
- };
- #if defined(CONFIG_DVB_M88DS3103) || \
- (defined(CONFIG_DVB_M88DS3103_MODULE) && defined(MODULE))
- extern struct dvb_frontend *m88ds3103_attach(
- const struct m88ds3103_config *config,
- struct i2c_adapter *i2c,
- struct i2c_adapter **tuner_i2c);
- extern int m88ds3103_get_agc_pwm(struct dvb_frontend *fe, u8 *_agc_pwm);
- #else
- static inline struct dvb_frontend *m88ds3103_attach(
- const struct m88ds3103_config *config,
- struct i2c_adapter *i2c,
- struct i2c_adapter **tuner_i2c)
- {
- pr_warn("%s: driver disabled by Kconfig\n", __func__);
- return NULL;
- }
- #define m88ds3103_get_agc_pwm NULL
- #endif
- #endif
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