2013-02-25 04:39:16 -07:00
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/*
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2015-04-16 18:36:00 -06:00
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* Montage Technology M88DS3103/M88RS6000 demodulator driver
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2013-02-25 04:39:16 -07:00
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*
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* Copyright (C) 2013 Antti Palosaari <crope@iki.fi>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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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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2015-04-16 17:04:55 -06:00
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/*
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* I2C address
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* 0x68,
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*/
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2017-11-29 12:02:22 -07:00
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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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2015-04-16 17:04:55 -06:00
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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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2017-11-29 12:02:22 -07:00
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enum m88ds3103_ts_mode ts_mode;
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2015-04-16 17:04:55 -06:00
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u32 ts_clk;
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enum m88ds3103_clock_out clk_out;
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2015-04-16 17:04:55 -06:00
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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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2017-11-29 12:02:22 -07:00
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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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2015-04-16 17:04:55 -06:00
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*/
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2013-02-25 04:39:16 -07:00
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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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2014-08-10 22:22:45 -06:00
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u32 ts_clk;
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u8 ts_clk_pol:1;
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2013-02-25 04:39:16 -07:00
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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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2014-08-10 22:22:45 -06:00
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u8 lnb_hv_pol:1;
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u8 lnb_en_pol:1;
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2013-02-25 04:39:16 -07:00
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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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2017-11-29 12:02:22 -07:00
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/**
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* 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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2013-02-25 04:39:16 -07:00
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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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2015-05-26 09:04:00 -06:00
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extern int m88ds3103_get_agc_pwm(struct dvb_frontend *fe, u8 *_agc_pwm);
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2013-02-25 04:39:16 -07:00
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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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2015-05-26 09:04:00 -06:00
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#define m88ds3103_get_agc_pwm NULL
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2013-02-25 04:39:16 -07:00
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#endif
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#endif
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