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Based on 3 normalized pattern(s): 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 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 [author] [kishon] [vijay] [abraham] [i] [kishon]@[ti] [com] 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 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 [author] [graeme] [gregory] [gg]@[slimlogic] [co] [uk] [author] [kishon] [vijay] [abraham] [i] [kishon]@[ti] [com] [based] [on] [twl6030]_[usb] [c] [author] [hema] [hk] [hemahk]@[ti] [com] 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1105 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.202006027@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
159 lines
4.6 KiB
C
159 lines
4.6 KiB
C
/* 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 <crope@iki.fi>
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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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* 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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