linux/drivers/media/tuners/si2157_priv.h
Brad Love 7e80a8d14d media: si2157: Add analog tuning related functions
Include set_analog_params, get_frequency, and get_bandwidth.

Tested with NTSC and PAL standards via ch3/4 generator. Other standards
are included, but are untested due to lack of generator.

Signed-off-by: Brad Love <brad@nextdimension.cc>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2020-04-21 16:46:25 +02:00

61 lines
1.3 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Silicon Labs Si2146/2147/2148/2157/2158 silicon tuner driver
*
* Copyright (C) 2014 Antti Palosaari <crope@iki.fi>
*/
#ifndef SI2157_PRIV_H
#define SI2157_PRIV_H
#include <linux/firmware.h>
#include <media/v4l2-mc.h>
#include "si2157.h"
enum si2157_pads {
SI2157_PAD_RF_INPUT,
SI2157_PAD_VID_OUT,
SI2157_PAD_AUD_OUT,
SI2157_NUM_PADS
};
/* state struct */
struct si2157_dev {
struct mutex i2c_mutex;
struct dvb_frontend *fe;
unsigned int active:1;
unsigned int inversion:1;
unsigned int dont_load_firmware:1;
u8 chiptype;
u8 if_port;
u32 if_frequency;
u32 bandwidth;
u32 frequency;
struct delayed_work stat_work;
#if defined(CONFIG_MEDIA_CONTROLLER)
struct media_device *mdev;
struct media_entity ent;
struct media_pad pad[SI2157_NUM_PADS];
#endif
};
#define SI2157_CHIPTYPE_SI2157 0
#define SI2157_CHIPTYPE_SI2146 1
#define SI2157_CHIPTYPE_SI2141 2
#define SI2157_CHIPTYPE_SI2177 3
/* firmware command struct */
#define SI2157_ARGLEN 30
struct si2157_cmd {
u8 args[SI2157_ARGLEN];
unsigned wlen;
unsigned rlen;
};
#define SI2158_A20_FIRMWARE "dvb-tuner-si2158-a20-01.fw"
#define SI2141_A10_FIRMWARE "dvb-tuner-si2141-a10-01.fw"
#define SI2157_A30_FIRMWARE "dvb-tuner-si2157-a30-01.fw"
#endif