path: root/drivers/media/usb/dvb-usb-v2/lmedm04.c

// SPDX-License-Identifier: GPL-2.0-only
/* DVB USB compliant linux driver for
 *
 * DM04/QQBOX DVB-S USB BOX	LME2510C + SHARP:BS2F7HZ7395
 *				LME2510C + LG TDQY-P001F
 *				LME2510C + BS2F7HZ0194
 *				LME2510 + LG TDQY-P001F
 *				LME2510 + BS2F7HZ0194
 *
 * MVB7395 (LME2510C+SHARP:BS2F7HZ7395)
 * SHARP:BS2F7HZ7395 = (STV0288+Sharp IX2505V)
 *
 * MV001F (LME2510+LGTDQY-P001F)
 * LG TDQY - P001F =(TDA8263 + TDA10086H)
 *
 * MVB0001F (LME2510C+LGTDQT-P001F)
 *
 * MV0194 (LME2510+SHARP:BS2F7HZ0194)
 * SHARP:BS2F7HZ0194 = (STV0299+IX2410)
 *
 * MVB0194 (LME2510C+SHARP0194)
 *
 * LME2510C + M88RS2000
 *
 * For firmware see Documentation/admin-guide/media/lmedm04.rst
 *
 * I2C addresses:
 * 0xd0 - STV0288	- Demodulator
 * 0xc0 - Sharp IX2505V	- Tuner
 * --
 * 0x1c - TDA10086   - Demodulator
 * 0xc0 - TDA8263    - Tuner
 * --
 * 0xd0 - STV0299	- Demodulator
 * 0xc0 - IX2410	- Tuner
 *
 * VID = 3344  PID LME2510=1122 LME2510C=1120
 *
 * Copyright (C) 2010 Malcolm Priestley (tvboxspy@gmail.com)
 * LME2510(C)(C) Leaguerme (Shenzhen) MicroElectronics Co., Ltd.
 *
 * see Documentation/driver-api/media/drivers/dvb-usb.rst for more information
 *
 * Known Issues :
 *	LME2510: Non Intel USB chipsets fail to maintain High Speed on
 * Boot or Hot Plug.
 *
 * QQbox suffers from noise on LNB voltage.
 *
 *	LME2510: SHARP:BS2F7HZ0194(MV0194) cannot cold reset and share system
 * with other tuners. After a cold reset streaming will not start.
 *
 * M88RS2000 suffers from loss of lock.
 */
#define DVB_USB_LOG_PREFIX "LME2510(C)"
#include <linux/usb.h>
#include <linux/usb/input.h>
#include <media/rc-core.h>

#include "dvb_usb.h"
#include "lmedm04.h"
#include "tda826x.h"
#include "tda10086.h"
#include "stv0288.h"
#include "ix2505v.h"
#include "stv0299.h"
#include "dvb-pll.h"
#include "z0194a.h"
#include "m88rs2000.h"
#include "ts2020.h"


#define LME2510_C_S7395	"dvb-usb-lme2510c-s7395.fw";
#define LME2510_C_LG	"dvb-usb-lme2510c-lg.fw";
#define LME2510_C_S0194	"dvb-usb-lme2510c-s0194.fw";
#define LME2510_C_RS2000 "dvb-usb-lme2510c-rs2000.fw";
#define LME2510_LG	"dvb-usb-lme2510-lg.fw";
#define LME2510_S0194	"dvb-usb-lme2510-s0194.fw";

/* debug */
static int dvb_usb_lme2510_debug;
#define lme_debug(var, level, args...) do { \
	if ((var >= level)) \
		pr_debug(DVB_USB_LOG_PREFIX": " args); \
} while (0)
#define deb_info(level, args...) lme_debug(dvb_usb_lme2510_debug, level, args)
#define debug_data_snipet(level, name, p) \
	 deb_info(level, name" (%8phN)", p);
#define info(args...) pr_info(DVB_USB_LOG_PREFIX": "args)

module_param_named(debug, dvb_usb_lme2510_debug, int, 0644);
MODULE_PARM_DESC(debug, "set debugging level (1=info (or-able)).");

static int dvb_usb_lme2510_firmware;
module_param_named(firmware, dvb_usb_lme2510_firmware, int, 0644);
MODULE_PARM_DESC(firmware, "set default firmware 0=Sharp7395 1=LG");

static int pid_filter;
module_param_named(pid, pid_filter, int, 0644);
MODULE_PARM_DESC(pid, "set default 0=default 1=off 2=on");


DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);

#define TUNER_DEFAULT	0x0
#define TUNER_LG	0x1
#define TUNER_S7395	0x2
#define TUNER_S0194	0x3
#define TUNER_RS2000	0x4

struct lme2510_state {
	unsigned long int_urb_due;
	enum fe_status lock_status;
	u8 id;
	u8 tuner_config;
	u8 signal_level;
	u8 signal_sn;
	u8 time_key;
	u8 i2c_talk_onoff;
	u8 i2c_gate;
	u8 i2c_tuner_gate_w;
	u8 i2c_tuner_gate_r;
	u8 i2c_tuner_addr;
	u8 stream_on;
	u8 pid_size;
	u8 pid_off;
	u8 int_buffer[128];
	struct urb *lme_urb;
	u8 usb_buffer[64];
	/* Frontend original calls */
	int (*fe_read_status)(struct dvb_frontend *, enum fe_status *);
	int (*fe_read_signal_strength)(struct dvb_frontend *, u16 *);
	int (*fe_read_snr)(struct dvb_frontend *, u16 *);
	int (*fe_read_ber)(struct dvb_frontend *, u32 *);
	int (*fe_read_ucblocks)(struct dvb_frontend *, u32 *);
	int (*fe_set_voltage)(struct dvb_frontend *, enum fe_sec_voltage);
	u8 dvb_usb_lme2510_firmware;
};

static int lme2510_usb_talk(struct dvb_usb_device *d,
			    u8 *wbuf, int wlen, u8 *rbuf, int rlen)
{
	struct lme2510_state *st = d->priv;
	int ret = 0;

	if (max(wlen, rlen) > sizeof(st-><