path: root/drivers/media/usb/cx231xx/cx231xx-dvb.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 DVB device driver for cx231xx

 Copyright (C) 2008 <srinivasa.deevi at conexant dot com>
		Based on em28xx driver

 */

#include "cx231xx.h"
#include <linux/kernel.h>
#include <linux/slab.h>

#include <media/dvbdev.h>
#include <media/dmxdev.h>
#include <media/dvb_demux.h>
#include <media/dvb_net.h>
#include <media/dvb_frontend.h>
#include <media/v4l2-common.h>
#include <media/tuner.h>

#include "xc5000.h"
#include "s5h1432.h"
#include "tda18271.h"
#include "s5h1411.h"
#include "lgdt3305.h"
#include "si2165.h"
#include "si2168.h"
#include "mb86a20s.h"
#include "si2157.h"
#include "lgdt3306a.h"
#include "r820t.h"
#include "mn88473.h"

MODULE_DESCRIPTION("driver for cx231xx based DVB cards");
MODULE_AUTHOR("Srinivasa Deevi <srinivasa.deevi@conexant.com>");
MODULE_LICENSE("GPL");

static unsigned int debug;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "enable debug messages [dvb]");

DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);

#define CX231XX_DVB_NUM_BUFS 5
#define CX231XX_DVB_MAX_PACKETSIZE 564
#define CX231XX_DVB_MAX_PACKETS 64
#define CX231XX_DVB_MAX_FRONTENDS 2

struct cx231xx_dvb {
	struct dvb_frontend *frontend[CX231XX_DVB_MAX_FRONTENDS];

	/* feed count management */
	struct mutex lock;
	int nfeeds;

	/* general boilerplate stuff */
	struct dvb_adapter adapter;
	struct dvb_demux demux;
	struct dmxdev dmxdev;
	struct dmx_frontend fe_hw;
	struct dmx_frontend fe_mem;
	struct dvb_net net;
	struct i2c_client *i2c_client_demod[2];
	struct i2c_client *i2c_client_tuner;
};

static struct s5h1432_config dvico_s5h1432_config = {
	.output_mode   = S5H1432_SERIAL_OUTPUT,
	.gpio          = S5H1432_GPIO_ON,
	.qam_if        = S5H1432_IF_4000,
	.vsb_if        = S5H1432_IF_4000,
	.inversion     = S5H1432_INVERSION_OFF,
	.status_mode   = S5H1432_DEMODLOCKING,
	.mpeg_timing   = S5H1432_MPEGTIMING_CONTINUOUS_NONINVERTING_CLOCK,
};

static struct tda18271_std_map cnxt_rde253s_tda18271_std_map = {
	.dvbt_6   = { .if_freq = 4000, .agc_mode = 3, .std = 4,
		      .if_lvl = 1, .rfagc_top = 0x37, },
	.dvbt_7   = { .if_freq = 4000, .agc_mode = 3, .std = 5,
		      .if_lvl = 1, .rfagc_top = 0x37, },
	.dvbt_8   = { .if_freq = 4000, .agc_mode = 3, .std = 6,
		      .if_lvl = 1, .rfagc_top = 0x37, },
};

static struct tda18271_std_map mb86a20s_tda18271_config = {
	.dvbt_6   = { .if_freq = 4000, .agc_mode = 3, .std = 4,
		      .if_lvl = 0, .rfagc_top = 0x37, },
};

static struct tda18271_config cnxt_rde253s_tunerconfig = {
	.std_map = &cnxt_rde253s_tda18271_std_map,
	.gate    = TDA18271_GATE_ANALOG,
};

static struct s5h1411_config tda18271_s5h1411_config = {
	.output_mode   = S5H1411_SERIAL_OUTPUT,
	.gpio          = S5H1411_GPIO_OFF,
	.vsb_if        = S5H1411_IF_3250,
	.qam_if        = S5H1411_IF_4000,
	.inversion     = S5H1411_INVERSION_ON,
	.status_mode   = S5H1411_DEMODLOCKING,
	.mpeg_timing   = S5H1411_MPEGTIMING_CONTINUOUS_NONINVERTING_CLOCK,
};
static struct s5h1411_config xc5000_s5h1411_config = {
	.output_mode   = S5H1411_SERIAL_OUTPUT,
	.gpio          = S5H1411_GPIO_OFF,
	.vsb_if        = S5H1411_IF_3250,
	.qam_if        = S5H1411_IF_3250,
	.inversion     = S5H1411_INVERSION_OFF,
	.status_mode   = S5H1411_DEMODLOCKING,
	.mpeg_timing   = S5H1411_MPEGTIMING_CONTINUOUS_NONINVERTING_CLOCK,
};

static struct lgdt3305_config hcw_lgdt3305_config = {
	.i2c_addr           = 0x0e,
	.mpeg_mode          = LGDT3305_MPEG_SERIAL,
	.tpclk_edge         = LGDT3305_TPCLK_FALLING_EDGE,
	.tpvalid_polarity   = LGDT3305_TP_VALID_HIGH,
	.deny_i2c_rptr      = 1,
	.spectral_inversion = 1,
	.qam_if_khz         = 4000,
	.vsb_if_khz         = 3250,
};

static struct tda18271_std_map hauppauge_tda18271_std_map = {
	.atsc_6   = { .if_freq = 3250, .agc_mode = 3, .std = 4,
		      .if_lvl = 1, .rfagc_top =