/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * drivers/media/radio/si470x/radio-si470x.h * * Driver for radios with Silicon Labs Si470x FM Radio Receivers * * Copyright (c) 2009 Tobias Lorenz <[email protected]> */ /* driver definitions */ #define DRIVER_NAME … /* kernel includes */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> #include <linux/sched.h> #include <linux/slab.h> #include <linux/input.h> #include <linux/videodev2.h> #include <linux/mutex.h> #include <media/v4l2-common.h> #include <media/v4l2-ioctl.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-event.h> #include <media/v4l2-device.h> #include <asm/unaligned.h> /************************************************************************** * Register Definitions **************************************************************************/ #define RADIO_REGISTER_SIZE … #define RADIO_REGISTER_NUM … #define RDS_REGISTER_NUM … #define DEVICEID … #define DEVICEID_PN … #define DEVICEID_MFGID … #define SI_CHIPID … #define SI_CHIPID_REV … #define SI_CHIPID_DEV … #define SI_CHIPID_FIRMWARE … #define POWERCFG … #define POWERCFG_DSMUTE … #define POWERCFG_DMUTE … #define POWERCFG_MONO … #define POWERCFG_RDSM … #define POWERCFG_SKMODE … #define POWERCFG_SEEKUP … #define POWERCFG_SEEK … #define POWERCFG_DISABLE … #define POWERCFG_ENABLE … #define CHANNEL … #define CHANNEL_TUNE … #define CHANNEL_CHAN … #define SYSCONFIG1 … #define SYSCONFIG1_RDSIEN … #define SYSCONFIG1_STCIEN … #define SYSCONFIG1_RDS … #define SYSCONFIG1_DE … #define SYSCONFIG1_AGCD … #define SYSCONFIG1_BLNDADJ … #define SYSCONFIG1_GPIO3 … #define SYSCONFIG1_GPIO2 … #define SYSCONFIG1_GPIO2_DIS … #define SYSCONFIG1_GPIO2_INT … #define SYSCONFIG1_GPIO1 … #define SYSCONFIG2 … #define SYSCONFIG2_SEEKTH … #define SYSCONFIG2_BAND … #define SYSCONFIG2_SPACE … #define SYSCONFIG2_VOLUME … #define SYSCONFIG3 … #define SYSCONFIG3_SMUTER … #define SYSCONFIG3_SMUTEA … #define SYSCONFIG3_SKSNR … #define SYSCONFIG3_SKCNT … #define TEST1 … #define TEST1_AHIZEN … #define TEST2 … /* TEST2 only contains reserved bits */ #define BOOTCONFIG … /* BOOTCONFIG only contains reserved bits */ #define STATUSRSSI … #define STATUSRSSI_RDSR … #define STATUSRSSI_STC … #define STATUSRSSI_SF … #define STATUSRSSI_AFCRL … #define STATUSRSSI_RDSS … #define STATUSRSSI_BLERA … #define STATUSRSSI_ST … #define STATUSRSSI_RSSI … #define READCHAN … #define READCHAN_BLERB … #define READCHAN_BLERC … #define READCHAN_BLERD … #define READCHAN_READCHAN … #define RDSA … #define RDSA_RDSA … #define RDSB … #define RDSB_RDSB … #define RDSC … #define RDSC_RDSC … #define RDSD … #define RDSD_RDSD … /************************************************************************** * General Driver Definitions **************************************************************************/ /* * si470x_device - private data */ struct si470x_device { … }; /************************************************************************** * Firmware Versions **************************************************************************/ #define RADIO_FW_VERSION … /************************************************************************** * Frequency Multiplicator **************************************************************************/ /* * The frequency is set in units of 62.5 Hz when using V4L2_TUNER_CAP_LOW, * 62.5 kHz otherwise. * The tuner is able to have a channel spacing of 50, 100 or 200 kHz. * tuner->capability is therefore set to V4L2_TUNER_CAP_LOW * The FREQ_MUL is then: 1 MHz / 62.5 Hz = 16000 */ #define FREQ_MUL … /************************************************************************** * Common Functions **************************************************************************/ extern const struct video_device si470x_viddev_template; extern const struct v4l2_ctrl_ops si470x_ctrl_ops; int si470x_disconnect_check(struct si470x_device *radio); int si470x_set_freq(struct si470x_device *radio, unsigned int freq); int si470x_start(struct si470x_device *radio); int si470x_stop(struct si470x_device *radio);
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