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Based on 1 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 you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 675 mass ave cambridge ma 02139 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 441 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc) Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190520071858.739733335@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
137 lines
3.6 KiB
C
137 lines
3.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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Driver for Philips tda1004xh OFDM Frontend
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(c) 2004 Andrew de Quincey
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*/
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#ifndef TDA1004X_H
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#define TDA1004X_H
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#include <linux/dvb/frontend.h>
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#include <linux/firmware.h>
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enum tda10046_xtal {
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TDA10046_XTAL_4M,
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TDA10046_XTAL_16M,
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};
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enum tda10046_agc {
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TDA10046_AGC_DEFAULT, /* original configuration */
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TDA10046_AGC_IFO_AUTO_NEG, /* IF AGC only, automatic, negative */
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TDA10046_AGC_IFO_AUTO_POS, /* IF AGC only, automatic, positive */
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TDA10046_AGC_TDA827X, /* IF AGC only, special setup for tda827x */
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};
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/* Many (hybrid) boards use GPIO 1 and 3
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GPIO1 analog - dvb switch
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GPIO3 firmware eeprom address switch
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*/
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enum tda10046_gpio {
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TDA10046_GPTRI = 0x00, /* All GPIOs tristate */
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TDA10046_GP00 = 0x40, /* GPIO3=0, GPIO1=0 */
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TDA10046_GP01 = 0x42, /* GPIO3=0, GPIO1=1 */
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TDA10046_GP10 = 0x48, /* GPIO3=1, GPIO1=0 */
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TDA10046_GP11 = 0x4a, /* GPIO3=1, GPIO1=1 */
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TDA10046_GP00_I = 0x80, /* GPIO3=0, GPIO1=0, invert in sleep mode*/
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TDA10046_GP01_I = 0x82, /* GPIO3=0, GPIO1=1, invert in sleep mode */
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TDA10046_GP10_I = 0x88, /* GPIO3=1, GPIO1=0, invert in sleep mode */
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TDA10046_GP11_I = 0x8a, /* GPIO3=1, GPIO1=1, invert in sleep mode */
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};
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enum tda10046_if {
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TDA10046_FREQ_3617, /* original config, 36,166 MHZ */
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TDA10046_FREQ_3613, /* 36,13 MHZ */
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TDA10046_FREQ_045, /* low IF, 4.0, 4.5, or 5.0 MHZ */
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TDA10046_FREQ_052, /* low IF, 5.1667 MHZ for tda9889 */
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};
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enum tda10046_tsout {
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TDA10046_TS_PARALLEL = 0x00, /* parallel transport stream, default */
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TDA10046_TS_SERIAL = 0x01, /* serial transport stream */
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};
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struct tda1004x_config
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{
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/* the demodulator's i2c address */
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u8 demod_address;
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/* does the "inversion" need inverted? */
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u8 invert;
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/* Does the OCLK signal need inverted? */
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u8 invert_oclk;
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/* parallel or serial transport stream */
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enum tda10046_tsout ts_mode;
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/* Xtal frequency, 4 or 16MHz*/
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enum tda10046_xtal xtal_freq;
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/* IF frequency */
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enum tda10046_if if_freq;
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/* AGC configuration */
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enum tda10046_agc agc_config;
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/* setting of GPIO1 and 3 */
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enum tda10046_gpio gpio_config;
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/* slave address and configuration of the tuner */
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u8 tuner_address;
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u8 antenna_switch;
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/* if the board uses another I2c Bridge (tda8290), its address */
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u8 i2c_gate;
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/* request firmware for device */
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int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name);
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};
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enum tda1004x_demod {
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TDA1004X_DEMOD_TDA10045,
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TDA1004X_DEMOD_TDA10046,
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};
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struct tda1004x_state {
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struct i2c_adapter* i2c;
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const struct tda1004x_config* config;
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struct dvb_frontend frontend;
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/* private demod data */
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enum tda1004x_demod demod_type;
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};
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#if IS_REACHABLE(CONFIG_DVB_TDA1004X)
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extern struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config,
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struct i2c_adapter* i2c);
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extern struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config,
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struct i2c_adapter* i2c);
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#else
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static inline struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config,
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struct i2c_adapter* i2c)
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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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static inline struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config,
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struct i2c_adapter* i2c)
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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 // CONFIG_DVB_TDA1004X
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static inline int tda1004x_writereg(struct dvb_frontend *fe, u8 reg, u8 val) {
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int r = 0;
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u8 buf[] = {reg, val};
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if (fe->ops.write)
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r = fe->ops.write(fe, buf, 2);
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return r;
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}
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#endif // TDA1004X_H
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