// SPDX-License-Identifier: GPL-2.0-or-later
/*
* budget.c: driver for the SAA7146 based Budget DVB cards
*
* Compiled from various sources by Michael Hunold <michael@mihu.de>
*
* Copyright (C) 2002 Ralph Metzler <rjkm@metzlerbros.de>
*
* Copyright (C) 1999-2002 Ralph Metzler
* & Marcus Metzler for convergence integrated media GmbH
*
* 26feb2004 Support for FS Activy Card (Grundig tuner) by
* Michael Dreher <michael@5dot1.de>,
* Oliver Endriss <o.endriss@gmx.de> and
* Andreas 'randy' Weinberger
*
* the project's page is at https://linuxtv.org
*/
#include "budget.h"
#include "stv0299.h"
#include "ves1x93.h"
#include "ves1820.h"
#include "l64781.h"
#include "tda8083.h"
#include "s5h1420.h"
#include "tda10086.h"
#include "tda826x.h"
#include "lnbp21.h"
#include "bsru6.h"
#include "bsbe1.h"
#include "tdhd1.h"
#include "stv6110x.h"
#include "stv090x.h"
#include "isl6423.h"
#include "lnbh24.h"
static int diseqc_method;
module_param(diseqc_method, int, 0444);
MODULE_PARM_DESC(diseqc_method, "Select DiSEqC method for subsystem id 13c2:1003, 0: default, 1: more reliable (for newer revisions only)");
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
static void Set22K (struct budget *budget, int state)
{
struct saa7146_dev *dev=budget->dev;
dprintk(2, "budget: %p\n", budget);
saa7146_setgpio(dev, 3, (state ? SAA7146_GPIO_OUTHI : SAA7146_GPIO_OUTLO));
}
/* Diseqc functions only for TT Budget card */
/* taken from the Skyvision DVB driver by
Ralph Metzler <rjkm@metzlerbros.de> */
static void DiseqcSendBit (struct budget *budget, int data)
{
struct saa7146_dev *dev=budget->dev;
dprintk(2, "budget: %p\n", budget);
saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTHI);
udelay(data ? 500 : 1000);
saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTLO);
udelay(data ? 1000 : 500);
}
static void DiseqcSendByte (struct budget *budget, int data)
{
int i, par=1, d;
dprintk(2, "budget: %p\n", budget);
for (i=7; i>=0; i--) {
d = (data>>i)&1;
par ^= d;
DiseqcSendBit(budget, d);
}
DiseqcSendBit(budget, par);
}
static int SendDiSEqCMsg (struct budget *budget, int len, u8 *msg, unsigned long burst)
{
struct saa7146_dev *dev=budget->dev;
int i;
dprintk(2, "budget: %p\n", budget);
saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTLO);
mdelay(16);
for (i=0; i<len; i++)
DiseqcSendByte(budget, msg[i]);
mdelay(16);
if (burst!=-1) {
if (burst)
DiseqcSendByte(budget, 0xff);
else {
saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTHI);
mdelay(12);
udelay(500);
saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTLO);
}
msleep(20);
}
return 0;
}
/*
* Routines for the Fujitsu Siemens Activy budget card
* 22 kHz tone and DiSEqC are handled by the frontend.
* Voltage must be set here.
* GPIO 1: LNBP EN, GPIO 2: LNBP VSEL
*/
static int SetVoltage_Activy(struct budget *budget,
enum fe_sec_voltage voltage)
{
struct saa7146_dev *dev=budget->dev;
dprintk(2, "budget: %p\n", budget);
switch (voltage) {
case SEC_VOLTAGE_13:
saa7146_setgpio(dev, 1, SAA7146_GPIO_OUTHI);
saa7146_setgpio(dev, 2, SAA7146_GPIO_OUTLO);
break;
case SEC_VOLTAGE_18:
saa7146_setgpio(dev, 1, SAA7146_GPIO_OUTHI);
saa7146_setgpio(dev, 2, SAA7146_GPIO_OUTHI);
break;
case SEC_VOLTAGE_OFF:
saa7146_setgpio(dev, 1, SAA7146_GPIO_OUTLO);
break;
default:
return -EINVAL;
}
return 0;
}
static int siemens_budget_set_voltage(struct dvb_frontend *fe,
enum fe_sec_voltage voltage)
{
struct budget* budget = (struct budget*) fe->dvb->priv;
return SetVoltage_Activy (budget, voltage);
}
static int budget_set_tone(struct dvb_frontend *fe,
enum fe_sec_tone_mode tone)
{
struct budget* budget = (struct budget*) fe->dvb->priv;
switch (tone) {
case SEC_TONE_ON:
Set22K (budget, 1);
break;
case SEC_TONE_OFF:
Set22K (budget, 0);
break;
default:
return -EINVAL;
}
return 0;
}
static int budget_diseqc_send_master_cmd(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd* cmd)
{
struct budget* budget = (struct budget*) fe->dvb->priv;
SendDiSEqCMsg (budget, cmd->msg_len, cmd->msg, 0);
return 0;
}
static int budget_diseqc_send_burst(struct dvb_frontend *fe,
enum fe_sec_mini_cmd minicmd)
{