/* * stb0899.c * * ST DVB-S/DVB-S2 Frontend Driver  * * Copyright (C) 2001 fnbrd <fnbrd@gmx.de> *             & 2002-2004 Andreas Oberritter <obi@linuxtv.org> *             & 2003 Wolfram Joost <dbox2@frokaschwei.de> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/string.h> #include <linux/slab.h> #include <linux/i2c.h> #include "stb0899.h" #include "stb0899_common.h" #include "stb0899_drv.h" #include "stb0899_chip.h"int debug = 1;module_param(debug, int, 0644);//int g_DvbsMode = 0;extern FE_STB0899_LOOKUP_t FE_STB0899_CN_LookUp;extern FE_STB0899_LOOKUP_t FE_STB0899_RF_LookUp;extern FE_STB0899_LOOKUP_t FE_STB0899_DVBS2RF_LookUp;struct stb0899_state {	struct i2c_adapter		*i2c_adap;	const struct stb0899_config	*config;	struct dvb_frontend		frontend;	u16				g_DvbsMode;	FE_STB0899_Handle_t	 	m_Handle;	u8				signal;	fe_sec_mini_cmd_t 		minicmd;	fe_sec_tone_mode_t 		tone;};int stb0899_set_standard(struct dvb_frontend* fe, u16 *standard){	struct stb0899_state *state = fe->demodulator_priv;		//printk(KERN_ERR "stb0899_set_standard = %d \n", *standard);	state->g_DvbsMode = *standard;	return 0;}int STB0899_Lock_Channel (struct stb0899_state * state, u32 freq, u32 symb ){		FE_STB0899_InternalParams_t *pInlParams;	FE_STB0899_SearchParams_t Params;	FE_STB0899_SearchResult_t Results;	FE_STB0899_Error_t ChipError;	FE_STB0899_SignalInfo_t pInfo;	memset(&Params, 0, sizeof(Params));	memset(&Results, 0, sizeof(Results));	memset(&ChipError, 0, sizeof(ChipError));	memset(&pInfo, 0, sizeof(pInfo));	/* Search parameters */	//printk(KERN_ERR "freq=%ld,symb=%ld\n",freq,symb);	Params.Frequency = freq;      	/*tuner frequency (in KHz)*/	Params.SymbolRate = symb;     	/*symbol rate  (in bds)*/	Params.SearchRange = 40000000;	/*range of the search (in Hz)*/	Params.IQ_Inversion = FE_IQ_AUTO;	/* I,Q Inversion */	if (state->g_DvbsMode==1)	{		Params.Standard	= FE_DVBS2_STANDARD;		Params.Modulation = FE_MOD_8PSK;	}	else if (state->g_DvbsMode==2)	{		Params.Standard = FE_DSS_STANDARD;		Params.Modulation = FE_MOD_QPSK;	}	else	{		Params.Standard = FE_DVBS1_STANDARD;		Params.Modulation = FE_MOD_QPSK;	}	pInlParams = (FE_STB0899_InternalParams_t *)state->m_Handle;	/* Launch the search algorithm	*/	ChipError = FE_STB0899_Search(state->m_Handle, &Params, &Results);	if (pInlParams->hTuner->Chip->ChipError || pInlParams->hDemod->ChipError)	{	 	return -1;	}	else	{		FE_STB0899_GetSignalInfo(state->m_Handle, &pInfo);				if (pInfo.Locked)		{			printk(KERN_ERR "^_^ Transponder locked\r\n");			return 0;		}		else		{			printk(KERN_ERR ":( Transponder not found\r\n");			return -1;		}	}}int st0899_initialize(struct dvb_frontend* fe){	struct stb0899_state *state = fe->demodulator_priv;		STB0899_InitParams_t	DemodInit;	/*Demod init params*/	TUNER_InitParams_t	TunerInit;	/*Tuner init params*/	STCHIP_Info_t		DemodChip;	/*Demod chip init params*/	STCHIP_Info_t		TunerChip;	/*Tuner chip init params*/	STCHIP_Info_t		LnbInit;	/* Front-end (Demod + tuner) init params*/	FE_STB0899_InitParams_t	Init;			u32 STB0899Val[STB0899_NBREGS] = {		0x30,0x32,0x80,0x4,0x0,0x0,0x0,0x20,0x99,0xa8,0xb,0x11,0xa,0x5,0x0,0x0,0x0,0x0,0xfe,		0x3,0x7c,0xf4,0xf3,0xfc,0xff,0xff,0x0,0x88,0x5c,0x0,0x0,0x0,0x0,0x33,0x6d,0x90,0x60,  //5C <-> F8		0x0,0x82,0x82,0x82,0x82,0x82,0x82,0x82,0x82,0x82,0x82,0x82,0x82,0x82,0x82,0x82,0x82,		0x82,0x82,0x82,0x82,0x82,0xb8,0xba,0x1c,0x82,0x91,0x82,0x7e,0x82,0x82,0x82,0x20,0x82,		0x82,0x82,0x82,0x82,0x82,0x82,0x82,0x17,0x2,0x0,0x1,0x20,0x0,0xb,0x0,0x0,0x0,0xa,0x2,		0x3ed097b6,0x3792,0x3fba,0x7aa,0x201,0xf,0x3fb4a20,0x200c17,0x16,0x0,0x0,0x0,0x3ed097b6,		0x0,0x0,0xf6cdc01,0x0,0x3993,0xd3c6f,0x0,0x0,0x238e38e,0x0,0x0,0x0,0x0,0x0,0x0,0x39488000,		0x1,0x2,0x0,0x17d3,0x0,0x1,0x7,0x2,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,		0x0,0x0,0x0,0xffff,0x101,0xfefe,0x404,0xcfcf,0xbebe,0xc2c2,0xc0c0,0xc1c1,0xc1c1,0xc1c1,		0xc0c1,0xc1c1,0xc0c1,0xc1c1,0xc0c1,0xc1c1,0xc0c1,0xc1c1,0xc1c1,0xc1c1,0xc1c1,0xc1c1,0xc1c1,		0xc1c1,0xc1c1,0xc1c1,0xc1c1,0xc1c1,0xc1c1,0xc1c1,0xc1c1,0xc1c1,0xc1c1,0xc1c1,0xc1c1,0xc1c1,		0xc1c1,0xc1c1,0xc1c1,0xc1c1,0xc1c1,0xc1c1,0xc1c1,0xc1c1,0xc1c1,0xc1c1,0xc1c1,0x1,0x5654,0x0,0x20019,		0x4b3237,0x3dd17,0x8008,0x2a3106,0x6140a,0x8000,0x0,0x0,0x471,0x17b0465,0x2,0x196464,0x603,		0x2046666,0x10046583,0x10404,0x2aa8a,0x0,0x1,0x500,0x28a0a0,0x0,0x800c17,0xd01,0x0,0x54802,		0x0,0x0,0x0,0x0,0x0,0x400,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,		0xffa,0xffd,0xfff,0xffe,0x0,0x36b,0x5,0x1,0x1,0xfff,0xffd,0xfff,0x1,0xfff,0x1,0x1,0x1,0x2,0xffe,		0xfff,0x0,0xffd,0x0,0xc9,0x1,0x10,0x23,0x4e,0x34,0x84,0xf7,0x87,0x94,0x41,0xf1,0xe3,0xb4,0x10,		0x30,0xfd,0xff,0xc,0xf,0x6c,0x80,0x6,0x0,0x30,0x7f,0x0,0xbc,0xea,0x31,0x2b,0x80,0x1d,0xa6,0x2f,		0x68,0x40,0x2f,0x68,0x40,0x2,0xff,0x4,0x5,0x2,0xfd,0x3,0x7,0x8,0xf5,0x0,0x0,0x86,0x2a,0x0,0x0,0x0,		0x0,0xa,0xad,0x6,0x1,0xb0,0x7a,0x58,0x38,0x34,0x24,0xff,0x19,0xb1,0x42,0x41,0x12,0xc,0x0,0x0,0x69,		0x0,0x2,0x0,0x0,0x1b,0xb3,0x0,0x0,0xbc,0xcc,0xbd,0x90,0xb6,0x95,0x8d,0x27,0x3,0x5c,0x19,0x48,0x0,		0x0,0x0,0x77,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0xf0,0x2,0x45,0x60,0xe3,0x0,0x47,0x5,0x18,		0x19,0x2b,0x0,0x1,0x0,0x26,0x8,0xb4,0x28,0x4b5,0xb4b,0x78,0x1e0,0xa8c0,0xc,0x1,0x545,		0x40,0x0,0x0,0x8,0x8,0x4db,0x0,0x8,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,		0x0,0x0,0x0,0x0,0x0,0x0,0x0,0xc0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,		0x0,0x0,0x0,0x30	};	u32 DefSTV6100Val[STB6100_NBREGS]=	{		0x81,0x94,0x4a,0x26,0x3c,0x3b,0xcd,0xdc,0x8f,0x4d,0xeb,0xde	};		memset(&DemodInit, 0, sizeof(DemodInit));	memset(&TunerInit, 0, sizeof(TunerInit));	memset(&DemodChip, 0, sizeof(DemodChip));	memset(&TunerChip, 0, sizeof(TunerChip));		/* Demodulator */	DemodInit.Chip = &DemodChip;	DemodInit.NbDefVal = STB0899_NBREGS;	DemodInit.DefVal = STB0899Val;   	DemodInit.Chip->RepeaterHost = NULL;   	DemodInit.Chip->RepeaterFn = NULL;   	DemodInit.Chip->Repeater = FALSE;	DemodInit.Chip->I2cAddr = state->config->demod_address;	strcpy(DemodInit.Chip->Name,"DEMOD");		/* Tuner  */	TunerInit.Chip = &TunerChip;	TunerInit.NbDefVal = STB6100_NBREGS;	TunerInit.DefVal = DefSTV6100Val;	TunerInit.Chip->RepeaterFn = STB0899_RepeaterFn;	TunerInit.Chip->Repeater = TRUE;	TunerInit.Chip->I2cAddr = 0xc0 >> 1;	strcpy(TunerInit.Chip->Name,"STB6100");	/*Lnbp21*/	LnbInit.RepeaterHost = NULL;	LnbInit.RepeaterFn = NULL;	LnbInit.Repeater = FALSE;	LnbInit.I2cAddr = 0x10 >> 1;	strcpy(LnbInit.Name,"LNBP21");		/* Front-end */	if (state->g_DvbsMode==1)		Init.Standard = FE_DVBS2_STANDARD;	else if (state->g_DvbsMode==2)		Init.Standard = FE_DSS_STANDARD;	else		Init.Standard = FE_DVBS1_STANDARD;			Init.Clock = FE_PARALLEL_CLOCK; /*Data mode*/	Init.Parity = FE_PARITY_ON; 	/*Data parity*/	Init.STB0899Init = &DemodInit; 	/*Demod initial params*/	Init.TunerInit = &TunerInit; 	/*Tuner initial params*/	Init.LnbInit = &LnbInit;	/*Lnb   initial params*/		state->m_Handle = FE_STB0899_Init(&Init);	if(state->m_Handle != 0)	{		if ((TunerInit.Chip->ChipError) || (DemodInit.Chip->ChipError))		{			printk(KERN_ERR "STB0899 initialize finished Dmmodulator Error=%d", DemodInit.Chip->ChipError);		}		else		{			printk(KERN_ERR "STB0899 initialize success \n");		}		return 0;	}	else	{		printk(KERN_ERR "STB0899 initialize failed");		return -1;	}}int stb0899_set_frontend (struct dvb_frontend* fe, struct dvb_frontend_parameters* params ){	struct stb0899_state *state = fe->demodulator_priv;		FE_STB0899_InternalParams_t *pInlParams;	int ret = -1;	int Retry = 2;		while (Retry--)	{		pInlParams = (FE_STB0899_InternalParams_t *)state->m_Handle;		if ( (state->m_Handle == 0) || ( (state->m_Handle != 0) && ((pInlParams->hTuner->Chip->ChipError) || (pInlParams->hDemod->ChipError))) )		{			st0899_initialize(fe);			if (state->m_Handle == 0)			{				return -1; //initialize failed			}		}		if(params != NULL)		{			ret = STB0899_Lock_Channel(state, params->frequency, params->u.qpsk.symbol_rate);		}		if (ret == 0)		{			return 0;		}		else		{			if (pInlParams->hTuner->Chip->ChipError || pInlParams->hDemod->ChipError)			{				printk(KERN_ERR "STB0899 search finish,but TunerError=%d,DemodError=%d\n", pInlParams->hTuner->Chip->ChipError, pInlParams->hDemod->ChipError);			}			break;		}	}	return -1;}int stb0899_send_diseqc_msg(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd* cmd){	struct stb0899_state *state = fe->demodulator_priv;	FE_STB0899_InternalParams_t *pInlParams;		if (state->m_Handle)	{		pInlParams = (FE_STB0899_InternalParams_t *)state->m_Handle;				ChipSetField(pInlParams->hLnb,FLNBP21_EN,1);		if (FE_STB0899_DiseqcSend(state->m_Handle, cmd->msg, cmd->msg_len))			return -1;		else			return 0;	}	return 0;}int stb0899_send_diseqc_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t minicmd){	return 0;}int stb0899_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone){	struct stb0899_state *state = fe->demodulator_priv;	FE_STB0899_InternalParams_t *pInlParams;		if (state->m_Handle)	{		pInlParams = (FE_STB0899_InternalParams_t *)state->m_Handle;				if (FE_STB0899_Set22KHZContinues(state->m_Handle, tone))		{			return -1;		}	}	return 0;}int stb0899_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage){	struct stb0899_state *state = fe->demodulator_priv;	FE_STB0899_InternalParams_t *pInlParams;	if (state->m_Handle)	{		pInlParams = (FE_STB0899_InternalParams_t *)state->m_Handle;		switch(voltage)		{			case SEC_VOLTAGE_13:				ChipSetField(pInlParams->hLnb,FLNBP21_EN,1);				ChipSetField(pInlParams->hLnb,FLNBP21_VSEL,0);			break;					case SEC_VOLTAGE_18:				ChipSetField(pInlParams->hLnb,FLNBP21_EN,1);				ChipSetField(pInlParams->hLnb,FLNBP21_VSEL,1);			break;			case SEC_VOLTAGE_OFF:				ChipSetField(pInlParams->hLnb,FLNBP21_EN,0);			break;						default:				return -1;			}	}	return 0;}void stb0899_release(struct dvb_frontend* fe){	struct stb0899_state *state = fe->demodulator_priv;	kfree(state);}int stb0899_read_status(struct dvb_frontend* fe, fe_status_t* status){	struct stb0899_state *state = fe->demodulator_priv;	FE_STB0899_InternalParams_t *pInlParams;		*status = 0;	if (state->m_Handle)	{		pInlParams = (FE_STB0899_InternalParams_t *)state->m_Handle;		switch(pInlParams->Standard)		{			case FE_DVBS1_STANDARD:			case FE_DSS_STANDARD:				state->signal = ChipGetField(pInlParams->hDemod, FSTB0899_LOCKEDVIT);				if (state->signal)					*status |= 0x1f;			break;			case FE_DVBS2_STANDARD:				state->signal = (FE_DVBS2_GetState(pInlParams->hDemod, 10) == FE_DVBS2_DATAOK) ? 1 : 0;				if (state->signal)					*status |= 0x1f;			break;		}	}	else	{		return -1;	}	return 0;}int stb0899_read_ber(struct dvb_frontend* fe, u32* ber){	struct stb0899_state *state = fe->demodulator_priv;	FE_STB0899_InternalParams_t *pInlParams;		*ber = 0;	if (state->m_Handle)	{		pInlParams = (FE_STB0899_InternalParams_t *)state->m_Handle;		*ber = FE_STB0899_GetError(pInlParams->hDemod, pInlParams->Standard);	}	else	{		return -1;	}	return 0;}int stb0899_read_signal_strength(struct dvb_frontend* fe, u16* strength){	struct stb0899_state *state = fe->demodulator_priv;	FE_STB0899_InternalParams_t *pInlParams;		*strength = 0;	if (state->m_Handle)	{		pInlParams = (FE_STB0899_InternalParams_t *)state->m_Handle;		switch(pInlParams->Standard)		{			case FE_DVBS1_STANDARD:			case FE_DSS_STANDARD:				*strength = FE_STB0899_GetRFLevel(pInlParams->hDemod, &FE_STB0899_RF_LookUp, (STB0899_STANDARD)pInlParams->Standard);			break;			case FE_DVBS2_STANDARD:				*strength = FE_STB0899_GetRFLevel(pInlParams->hDemod, &FE_STB0899_DVBS2RF_LookUp, (STB0899_STANDARD)pInlParams->Standard);			break;		}	}	else	{		return -1;	}	return 0;}int stb0899_read_snr(struct dvb_frontend* fe, u16* snr){	struct stb0899_state *state = fe->demodulator_priv;	FE_STB0899_InternalParams_t *pInlParams;		*snr = 0;	if (state->m_Handle)	{		pInlParams = (FE_STB0899_InternalParams_t *)state->m_Handle;				*snr = CarrierGetQuality(pInlParams->hDemod, &FE_STB0899_CN_LookUp, (STB0899_STANDARD)pInlParams->Standard);	}	else	{		return -1;	}	return 0;}int stb0899_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks){	*ucblocks = 0;	return 0;}static int stb0899_i2c_gate_ctrl(struct dvb_frontend* fe, int enable){	struct stb0899_state * state = fe->demodulator_priv;	FE_STB0899_InternalParams_t * pInlParams;	pInlParams = (FE_STB0899_InternalParams_t *)state->m_Handle;	if (enable) 	{		ChipSetOneRegister(pInlParams->hDemod, RSTB0899_I2CRPT, 0x5c|0x80);	} 	else 	{		ChipSetOneRegister(pInlParams->hDemod, RSTB0899_I2CRPT, 0x5c&0x7f);	}	return 0;}	 static struct dvb_frontend_ops stb0899_ops = {	.info = {		.name			= "ST STB0899 DVB-S2",		.type			= FE_QPSK,		.frequency_min		= 950000,		.frequency_max		= 2150000,		.frequency_stepsize	= 125,		.frequency_tolerance	= 0,		.symbol_rate_min	= 1000000,		.symbol_rate_max	= 45000000,		.symbol_rate_tolerance	= 500,		.caps			= FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 |					  FE_CAN_FEC_3_4 | FE_CAN_FEC_5_6 |					  FE_CAN_FEC_7_8 | FE_CAN_QPSK    |					  FE_CAN_FEC_AUTO	},		.init = st0899_initialize,	.release = stb0899_release,		.set_standard = stb0899_set_standard,	.set_frontend = stb0899_set_frontend,	.diseqc_send_master_cmd = stb0899_send_diseqc_msg,	.diseqc_send_burst = stb0899_send_diseqc_burst,	.set_tone = stb0899_set_tone,	.set_voltage = stb0899_set_voltage,	.i2c_gate_ctrl = stb0899_i2c_gate_ctrl,			.read_status = stb0899_read_status,	.read_ber = stb0899_read_ber,	.read_signal_strength = stb0899_read_signal_strength,	.read_snr = stb0899_read_snr,	.read_ucblocks = stb0899_read_ucblocks,};struct dvb_frontend *stb0899_attach(const struct stb0899_config *config, struct i2c_adapter *i2c_adap){		struct stb0899_state *state = NULL;	state = kmalloc(sizeof (struct stb0899_state), GFP_KERNEL);	if (state == NULL)		goto error;	state->config = config;	state->i2c_adap = i2c_adap;	state->g_DvbsMode = 1;	memcpy(&state->frontend.ops, &stb0899_ops, sizeof (struct dvb_frontend_ops));	state->frontend.demodulator_priv = state;	return &state->frontend;error:	kfree(state);	return NULL;}MODULE_LICENSE("GPL");EXPORT_SYMBOL(stb0899_attach);