drivers/media/dvb/ttpci/budget.c - kernel/msm-4.19 - Gitiles

 /*
  * 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
  *
  * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
  *
  *
  * the project's page is at http://www.linuxtv.org/dvb/
  */

 #include "budget.h"
 #include "stv0299.h"
 #include "ves1x93.h"
 #include "ves1820.h"
 #include "l64781.h"
 #include "tda8083.h"

 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);
 			udelay(12500);
 			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.
  */
 static int SetVoltage_Activy (struct budget *budget, fe_sec_voltage_t voltage)
 {
 	struct saa7146_dev *dev=budget->dev;

 	dprintk(2, "budget: %p\n", budget);

 	switch (voltage) {
 		case SEC_VOLTAGE_13:
 			saa7146_setgpio(dev, 2, SAA7146_GPIO_OUTLO);
 			break;
 		case SEC_VOLTAGE_18:
 			saa7146_setgpio(dev, 2, SAA7146_GPIO_OUTHI);
 			break;
 		default:
 			return -EINVAL;
 	}

 	return 0;
 }

 static int siemens_budget_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage)
 {
 	struct budget* budget = (struct budget*) fe->dvb->priv;

 	return SetVoltage_Activy (budget, voltage);
 }

 static int budget_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t 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, fe_sec_mini_cmd_t minicmd)
 {
 	struct budget* budget = (struct budget*) fe->dvb->priv;

 	SendDiSEqCMsg (budget, 0, NULL, minicmd);

 	return 0;
 }

 static int alps_bsrv2_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 {
 	struct budget* budget = (struct budget*) fe->dvb->priv;
 	u8 pwr = 0;
 	u8 buf[4];
 	struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = buf, .len = sizeof(buf) };
 	u32 div = (params->frequency + 479500) / 125;

 	if (params->frequency > 2000000) pwr = 3;
 	else if (params->frequency > 1800000) pwr = 2;
 	else if (params->frequency > 1600000) pwr = 1;
 	else if (params->frequency > 1200000) pwr = 0;
 	else if (params->frequency >= 1100000) pwr = 1;
 	else pwr = 2;

 	buf[0] = (div >> 8) & 0x7f;
 	buf[1] = div & 0xff;
 	buf[2] = ((div & 0x18000) >> 10) | 0x95;
 	buf[3] = (pwr << 6) | 0x30;

         // NOTE: since we're using a prescaler of 2, we set the
 	// divisor frequency to 62.5kHz and divide by 125 above

 	if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
 	return 0;
 }

 static struct ves1x93_config alps_bsrv2_config =
 {
 	.demod_address = 0x08,
 	.xin = 90100000UL,
 	.invert_pwm = 0,
 	.pll_set = alps_bsrv2_pll_set,
 };

 static u8 alps_bsru6_inittab[] = {
 	0x01, 0x15,
 	0x02, 0x00,
 	0x03, 0x00,
         0x04, 0x7d,   /* F22FR = 0x7d, F22 = f_VCO / 128 / 0x7d = 22 kHz */
 	0x05, 0x35,   /* I2CT = 0, SCLT = 1, SDAT = 1 */
 	0x06, 0x40,   /* DAC not used, set to high impendance mode */
 	0x07, 0x00,   /* DAC LSB */
 	0x08, 0x40,   /* DiSEqC off, LNB power on OP2/LOCK pin on */
 	0x09, 0x00,   /* FIFO */
 	0x0c, 0x51,   /* OP1 ctl = Normal, OP1 val = 1 (LNB Power ON) */
 	0x0d, 0x82,   /* DC offset compensation = ON, beta_agc1 = 2 */
 	0x0e, 0x23,   /* alpha_tmg = 2, beta_tmg = 3 */
 	0x10, 0x3f,   // AGC2  0x3d
 	0x11, 0x84,
 	0x12, 0xb5,   // Lock detect: -64  Carrier freq detect:on
 	0x15, 0xc9,   // lock detector threshold
 	0x16, 0x00,
 	0x17, 0x00,
 	0x18, 0x00,
 	0x19, 0x00,
 	0x1a, 0x00,
 	0x1f, 0x50,
 	0x20, 0x00,
 	0x21, 0x00,
 	0x22, 0x00,
 	0x23, 0x00,
 	0x28, 0x00,  // out imp: normal  out type: parallel FEC mode:0
 	0x29, 0x1e,  // 1/2 threshold
 	0x2a, 0x14,  // 2/3 threshold
 	0x2b, 0x0f,  // 3/4 threshold
 	0x2c, 0x09,  // 5/6 threshold
 	0x2d, 0x05,  // 7/8 threshold
 	0x2e, 0x01,
 	0x31, 0x1f,  // test all FECs
 	0x32, 0x19,  // viterbi and synchro search
 	0x33, 0xfc,  // rs control
 	0x34, 0x93,  // error control
 	0x0f, 0x52,
 	0xff, 0xff
 };

 static int alps_bsru6_set_symbol_rate(struct dvb_frontend* fe, u32 srate, u32 ratio)
 {
 	u8 aclk = 0;
 	u8 bclk = 0;

 	if (srate < 1500000) { aclk = 0xb7; bclk = 0x47; }
 	else if (srate < 3000000) { aclk = 0xb7; bclk = 0x4b; }
 	else if (srate < 7000000) { aclk = 0xb7; bclk = 0x4f; }
 	else if (srate < 14000000) { aclk = 0xb7; bclk = 0x53; }
 	else if (srate < 30000000) { aclk = 0xb6; bclk = 0x53; }
 	else if (srate < 45000000) { aclk = 0xb4; bclk = 0x51; }

 	stv0299_writereg (fe, 0x13, aclk);
 	stv0299_writereg (fe, 0x14, bclk);
 	stv0299_writereg (fe, 0x1f, (ratio >> 16) & 0xff);
 	stv0299_writereg (fe, 0x20, (ratio >>  8) & 0xff);
 	stv0299_writereg (fe, 0x21, (ratio      ) & 0xf0);

 	return 0;
 }

 static int alps_bsru6_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 {
 	struct budget* budget = (struct budget*) fe->dvb->priv;
 	u8 data[4];
 	u32 div;
 	struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) };

 	if ((params->frequency < 950000) || (params->frequency > 2150000)) return -EINVAL;

 	div = (params->frequency + (125 - 1)) / 125; // round correctly
 	data[0] = (div >> 8) & 0x7f;
 	data[1] = div & 0xff;
 	data[2] = 0x80 | ((div & 0x18000) >> 10) | 4;
 	data[3] = 0xC4;

 	if (params->frequency > 1530000) data[3] = 0xc0;

 	if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
 	return 0;
 }

 static struct stv0299_config alps_bsru6_config = {

 	.demod_address = 0x68,
 	.inittab = alps_bsru6_inittab,
 	.mclk = 88000000UL,
 	.invert = 1,
 	.enhanced_tuning = 0,
 	.skip_reinit = 0,
 	.lock_output = STV0229_LOCKOUTPUT_1,
 	.volt13_op0_op1 = STV0299_VOLT13_OP1,
 	.min_delay_ms = 100,
 	.set_symbol_rate = alps_bsru6_set_symbol_rate,
 	.pll_set = alps_bsru6_pll_set,
 };

 static int alps_tdbe2_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 {
 	struct budget* budget = (struct budget*) fe->dvb->priv;
 	u32 div;
 	u8 data[4];
 	struct i2c_msg msg = { .addr = 0x62, .flags = 0, .buf = data, .len = sizeof(data) };

 	div = (params->frequency + 35937500 + 31250) / 62500;

 	data[0] = (div >> 8) & 0x7f;
 	data[1] = div & 0xff;
 	data[2] = 0x85 | ((div >> 10) & 0x60);
 	data[3] = (params->frequency < 174000000 ? 0x88 : params->frequency < 470000000 ? 0x84 : 0x81);

 	if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
 	return 0;
 }

 static struct ves1820_config alps_tdbe2_config = {
 	.demod_address = 0x09,
 	.xin = 57840000UL,
 	.invert = 1,
 	.selagc = VES1820_SELAGC_SIGNAMPERR,
 	.pll_set = alps_tdbe2_pll_set,
 };

 static int grundig_29504_401_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 {
 	struct budget* budget = (struct budget*) fe->dvb->priv;
 	u32 div;
 	u8 cfg, cpump, band_select;
 	u8 data[4];
 	struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) };

 	div = (36125000 + params->frequency) / 166666;

 	cfg = 0x88;

 	if (params->frequency < 175000000) cpump = 2;
 	else if (params->frequency < 390000000) cpump = 1;
 	else if (params->frequency < 470000000) cpump = 2;
 	else if (params->frequency < 750000000) cpump = 1;
 	else cpump = 3;

 	if (params->frequency < 175000000) band_select = 0x0e;
 	else if (params->frequency < 470000000) band_select = 0x05;
 	else band_select = 0x03;

 	data[0] = (div >> 8) & 0x7f;
 	data[1] = div & 0xff;
 	data[2] = ((div >> 10) & 0x60) | cfg;
 	data[3] = (cpump << 6) | band_select;

 	if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
 	return 0;
 }

 static struct l64781_config grundig_29504_401_config = {
 	.demod_address = 0x55,
 	.pll_set = grundig_29504_401_pll_set,
 };

 static int grundig_29504_451_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 {
 	struct budget* budget = (struct budget*) fe->dvb->priv;
 	u32 div;
 	u8 data[4];
 	struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) };

 	div = params->frequency / 125;
 	data[0] = (div >> 8) & 0x7f;
 	data[1] = div & 0xff;
 	data[2] = 0x8e;
 	data[3] = 0x00;

 	if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
 	return 0;
 }

 static struct tda8083_config grundig_29504_451_config = {
 	.demod_address = 0x68,
 	.pll_set = grundig_29504_451_pll_set,
 };

 static u8 read_pwm(struct budget* budget)
 {
 	u8 b = 0xff;
 	u8 pwm;
 	struct i2c_msg msg[] = { { .addr = 0x50,.flags = 0,.buf = &b,.len = 1 },
 				 { .addr = 0x50,.flags = I2C_M_RD,.buf = &pwm,.len = 1} };

         if ((i2c_transfer(&budget->i2c_adap, msg, 2) != 2) || (pwm == 0xff))
 		pwm = 0x48;

 	return pwm;
 }

 static void frontend_init(struct budget *budget)
 {
 	switch(budget->dev->pci->subsystem_device) {
 	case 0x1003: // Hauppauge/TT Nova budget (stv0299/ALPS BSRU6(tsa5059) OR ves1893/ALPS BSRV2(sp5659))
 	case 0x1013:
 		// try the ALPS BSRV2 first of all
 		budget->dvb_frontend = ves1x93_attach(&alps_bsrv2_config, &budget->i2c_adap);
 		if (budget->dvb_frontend) {
 			budget->dvb_frontend->ops->diseqc_send_master_cmd = budget_diseqc_send_master_cmd;
 		        budget->dvb_frontend->ops->diseqc_send_burst = budget_diseqc_send_burst;
 			budget->dvb_frontend->ops->set_tone = budget_set_tone;
 			break;
 		}

 		// try the ALPS BSRU6 now
 		budget->dvb_frontend = stv0299_attach(&alps_bsru6_config, &budget->i2c_adap);
 		if (budget->dvb_frontend) {
 			budget->dvb_frontend->ops->diseqc_send_master_cmd = budget_diseqc_send_master_cmd;
 			budget->dvb_frontend->ops->diseqc_send_burst = budget_diseqc_send_burst;
 			budget->dvb_frontend->ops->set_tone = budget_set_tone;
 			break;
 		}
 		break;

 	case 0x1004: // Hauppauge/TT DVB-C budget (ves1820/ALPS TDBE2(sp5659))

 		budget->dvb_frontend = ves1820_attach(&alps_tdbe2_config, &budget->i2c_adap, read_pwm(budget));
 		if (budget->dvb_frontend) break;
 		break;

 	case 0x1005: // Hauppauge/TT Nova-T budget (L64781/Grundig 29504-401(tsa5060))

 		budget->dvb_frontend = l64781_attach(&grundig_29504_401_config, &budget->i2c_adap);
 		if (budget->dvb_frontend) break;
 		break;

 	case 0x4f60: // Fujitsu Siemens Activy Budget-S PCI rev AL (stv0299/ALPS BSRU6(tsa5059))
 		budget->dvb_frontend = stv0299_attach(&alps_bsru6_config, &budget->i2c_adap);
 		if (budget->dvb_frontend) {
 			budget->dvb_frontend->ops->set_voltage = siemens_budget_set_voltage;
 			break;
 		}
 		break;

 	case 0x4f61: // Fujitsu Siemens Activy Budget-S PCI rev GR (tda8083/Grundig 29504-451(tsa5522))
 		budget->dvb_frontend = tda8083_attach(&grundig_29504_451_config, &budget->i2c_adap);
 		if (budget->dvb_frontend) {
 			budget->dvb_frontend->ops->set_voltage = siemens_budget_set_voltage;
 			break;
 		}
 		break;
 	}

 	if (budget->dvb_frontend == NULL) {
 		printk("budget: A frontend driver was not found for device %04x/%04x subsystem %04x/%04x\n",
 		       budget->dev->pci->vendor,
 		       budget->dev->pci->device,
 		       budget->dev->pci->subsystem_vendor,
 		       budget->dev->pci->subsystem_device);
 	} else {
 		if (dvb_register_frontend(&budget->dvb_adapter, budget->dvb_frontend)) {
 			printk("budget: Frontend registration failed!\n");
 			if (budget->dvb_frontend->ops->release)
 				budget->dvb_frontend->ops->release(budget->dvb_frontend);
 			budget->dvb_frontend = NULL;
 		}
 	}
 }

 static int budget_attach (struct saa7146_dev* dev, struct saa7146_pci_extension_data *info)
 {
 	struct budget *budget = NULL;
 	int err;

 	budget = kmalloc(sizeof(struct budget), GFP_KERNEL);
 	if( NULL == budget ) {
 		return -ENOMEM;
 	}

 	dprintk(2, "dev:%p, info:%p, budget:%p\n", dev, info, budget);

 	dev->ext_priv = budget;

 	if ((err = ttpci_budget_init (budget, dev, info, THIS_MODULE))) {
 		printk("==> failed\n");
 		kfree (budget);
 		return err;
 	}

 	budget->dvb_adapter.priv = budget;
 	frontend_init(budget);

 	return 0;
 }

 static int budget_detach (struct saa7146_dev* dev)
 {
 	struct budget *budget = (struct budget*) dev->ext_priv;
 	int err;

 	if (budget->dvb_frontend) dvb_unregister_frontend(budget->dvb_frontend);

 	err = ttpci_budget_deinit (budget);

 	kfree (budget);
 	dev->ext_priv = NULL;

 	return err;
 }

 static struct saa7146_extension budget_extension;

 MAKE_BUDGET_INFO(ttbs,	"TT-Budget/WinTV-NOVA-S  PCI",	BUDGET_TT);
 MAKE_BUDGET_INFO(ttbc,	"TT-Budget/WinTV-NOVA-C  PCI",	BUDGET_TT);
 MAKE_BUDGET_INFO(ttbt,	"TT-Budget/WinTV-NOVA-T  PCI",	BUDGET_TT);
 MAKE_BUDGET_INFO(satel,	"SATELCO Multimedia PCI",	BUDGET_TT_HW_DISEQC);
 MAKE_BUDGET_INFO(fsacs0, "Fujitsu Siemens Activy Budget-S PCI (rev GR/grundig frontend)", BUDGET_FS_ACTIVY);
 MAKE_BUDGET_INFO(fsacs1, "Fujitsu Siemens Activy Budget-S PCI (rev AL/alps frontend)", BUDGET_FS_ACTIVY);

 static struct pci_device_id pci_tbl[] = {
 	MAKE_EXTENSION_PCI(ttbs,  0x13c2, 0x1003),
 	MAKE_EXTENSION_PCI(ttbc,  0x13c2, 0x1004),
 	MAKE_EXTENSION_PCI(ttbt,  0x13c2, 0x1005),
 	MAKE_EXTENSION_PCI(satel, 0x13c2, 0x1013),
 	MAKE_EXTENSION_PCI(fsacs1,0x1131, 0x4f60),
 	MAKE_EXTENSION_PCI(fsacs0,0x1131, 0x4f61),
 	{
 		.vendor    = 0,
 	}
 };

 MODULE_DEVICE_TABLE(pci, pci_tbl);

 static struct saa7146_extension budget_extension = {
 	.name		= "budget dvb\0",
 	.flags		= 0,

 	.module		= THIS_MODULE,
 	.pci_tbl	= pci_tbl,
 	.attach		= budget_attach,
 	.detach		= budget_detach,

 	.irq_mask	= MASK_10,
 	.irq_func	= ttpci_budget_irq10_handler,
 };

 static int __init budget_init(void)
 {
 	return saa7146_register_extension(&budget_extension);
 }

 static void __exit budget_exit(void)
 {
 	saa7146_unregister_extension(&budget_extension);
 }

 module_init(budget_init);
 module_exit(budget_exit);

 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Ralph Metzler, Marcus Metzler, Michael Hunold, others");
 MODULE_DESCRIPTION("driver for the SAA7146 based so-called "
 		   "budget PCI DVB cards by Siemens, Technotrend, Hauppauge");
	/*
	* 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
	*
	* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
	* Or, point your browser to http://www.gnu.org/copyleft/gpl.html
	*
	*
	* the project's page is at http://www.linuxtv.org/dvb/
	*/

	#include "budget.h"
	#include "stv0299.h"
	#include "ves1x93.h"
	#include "ves1820.h"
	#include "l64781.h"
	#include "tda8083.h"

	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);
	udelay(12500);
	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.
	*/
	static int SetVoltage_Activy (struct budget *budget, fe_sec_voltage_t voltage)
	{
	struct saa7146_dev *dev=budget->dev;

	dprintk(2, "budget: %p\n", budget);

	switch (voltage) {
	case SEC_VOLTAGE_13:
	saa7146_setgpio(dev, 2, SAA7146_GPIO_OUTLO);
	break;
	case SEC_VOLTAGE_18:
	saa7146_setgpio(dev, 2, SAA7146_GPIO_OUTHI);
	break;
	default:
	return -EINVAL;
	}

	return 0;
	}

	static int siemens_budget_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage)
	{
	struct budget* budget = (struct budget*) fe->dvb->priv;

	return SetVoltage_Activy (budget, voltage);
	}

	static int budget_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t 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, fe_sec_mini_cmd_t minicmd)
	{
	struct budget* budget = (struct budget*) fe->dvb->priv;

	SendDiSEqCMsg (budget, 0, NULL, minicmd);

	return 0;
	}

	static int alps_bsrv2_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
	{
	struct budget* budget = (struct budget*) fe->dvb->priv;
	u8 pwr = 0;
	u8 buf[4];
	struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = buf, .len = sizeof(buf) };
	u32 div = (params->frequency + 479500) / 125;

	if (params->frequency > 2000000) pwr = 3;
	else if (params->frequency > 1800000) pwr = 2;
	else if (params->frequency > 1600000) pwr = 1;
	else if (params->frequency > 1200000) pwr = 0;
	else if (params->frequency >= 1100000) pwr = 1;
	else pwr = 2;

	buf[0] = (div >> 8) & 0x7f;
	buf[1] = div & 0xff;
	buf[2] = ((div & 0x18000) >> 10) \| 0x95;
	buf[3] = (pwr << 6) \| 0x30;

	// NOTE: since we're using a prescaler of 2, we set the
	// divisor frequency to 62.5kHz and divide by 125 above

	if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
	return 0;
	}

	static struct ves1x93_config alps_bsrv2_config =
	{
	.demod_address = 0x08,
	.xin = 90100000UL,
	.invert_pwm = 0,
	.pll_set = alps_bsrv2_pll_set,
	};

	static u8 alps_bsru6_inittab[] = {
	0x01, 0x15,
	0x02, 0x00,
	0x03, 0x00,
	0x04, 0x7d, /* F22FR = 0x7d, F22 = f_VCO / 128 / 0x7d = 22 kHz */
	0x05, 0x35, /* I2CT = 0, SCLT = 1, SDAT = 1 */
	0x06, 0x40, /* DAC not used, set to high impendance mode */
	0x07, 0x00, /* DAC LSB */
	0x08, 0x40, /* DiSEqC off, LNB power on OP2/LOCK pin on */
	0x09, 0x00, /* FIFO */
	0x0c, 0x51, /* OP1 ctl = Normal, OP1 val = 1 (LNB Power ON) */
	0x0d, 0x82, /* DC offset compensation = ON, beta_agc1 = 2 */
	0x0e, 0x23, /* alpha_tmg = 2, beta_tmg = 3 */
	0x10, 0x3f, // AGC2 0x3d
	0x11, 0x84,
	0x12, 0xb5, // Lock detect: -64 Carrier freq detect:on
	0x15, 0xc9, // lock detector threshold
	0x16, 0x00,
	0x17, 0x00,
	0x18, 0x00,
	0x19, 0x00,
	0x1a, 0x00,
	0x1f, 0x50,
	0x20, 0x00,
	0x21, 0x00,
	0x22, 0x00,
	0x23, 0x00,
	0x28, 0x00, // out imp: normal out type: parallel FEC mode:0
	0x29, 0x1e, // 1/2 threshold
	0x2a, 0x14, // 2/3 threshold
	0x2b, 0x0f, // 3/4 threshold
	0x2c, 0x09, // 5/6 threshold
	0x2d, 0x05, // 7/8 threshold
	0x2e, 0x01,
	0x31, 0x1f, // test all FECs
	0x32, 0x19, // viterbi and synchro search
	0x33, 0xfc, // rs control
	0x34, 0x93, // error control
	0x0f, 0x52,
	0xff, 0xff
	};

	static int alps_bsru6_set_symbol_rate(struct dvb_frontend* fe, u32 srate, u32 ratio)
	{
	u8 aclk = 0;
	u8 bclk = 0;

	if (srate < 1500000) { aclk = 0xb7; bclk = 0x47; }
	else if (srate < 3000000) { aclk = 0xb7; bclk = 0x4b; }
	else if (srate < 7000000) { aclk = 0xb7; bclk = 0x4f; }
	else if (srate < 14000000) { aclk = 0xb7; bclk = 0x53; }
	else if (srate < 30000000) { aclk = 0xb6; bclk = 0x53; }
	else if (srate < 45000000) { aclk = 0xb4; bclk = 0x51; }

	stv0299_writereg (fe, 0x13, aclk);
	stv0299_writereg (fe, 0x14, bclk);
	stv0299_writereg (fe, 0x1f, (ratio >> 16) & 0xff);
	stv0299_writereg (fe, 0x20, (ratio >> 8) & 0xff);
	stv0299_writereg (fe, 0x21, (ratio ) & 0xf0);

	return 0;
	}

	static int alps_bsru6_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
	{
	struct budget* budget = (struct budget*) fe->dvb->priv;
	u8 data[4];
	u32 div;
	struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) };

	if ((params->frequency < 950000) \|\| (params->frequency > 2150000)) return -EINVAL;

	div = (params->frequency + (125 - 1)) / 125; // round correctly
	data[0] = (div >> 8) & 0x7f;
	data[1] = div & 0xff;
	data[2] = 0x80 \| ((div & 0x18000) >> 10) \| 4;
	data[3] = 0xC4;

	if (params->frequency > 1530000) data[3] = 0xc0;

	if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
	return 0;
	}

	static struct stv0299_config alps_bsru6_config = {

	.demod_address = 0x68,
	.inittab = alps_bsru6_inittab,
	.mclk = 88000000UL,
	.invert = 1,
	.enhanced_tuning = 0,
	.skip_reinit = 0,
	.lock_output = STV0229_LOCKOUTPUT_1,
	.volt13_op0_op1 = STV0299_VOLT13_OP1,
	.min_delay_ms = 100,
	.set_symbol_rate = alps_bsru6_set_symbol_rate,
	.pll_set = alps_bsru6_pll_set,
	};

	static int alps_tdbe2_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
	{
	struct budget* budget = (struct budget*) fe->dvb->priv;
	u32 div;
	u8 data[4];
	struct i2c_msg msg = { .addr = 0x62, .flags = 0, .buf = data, .len = sizeof(data) };

	div = (params->frequency + 35937500 + 31250) / 62500;

	data[0] = (div >> 8) & 0x7f;
	data[1] = div & 0xff;
	data[2] = 0x85 \| ((div >> 10) & 0x60);
	data[3] = (params->frequency < 174000000 ? 0x88 : params->frequency < 470000000 ? 0x84 : 0x81);

	if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
	return 0;
	}

	static struct ves1820_config alps_tdbe2_config = {
	.demod_address = 0x09,
	.xin = 57840000UL,
	.invert = 1,
	.selagc = VES1820_SELAGC_SIGNAMPERR,
	.pll_set = alps_tdbe2_pll_set,
	};

	static int grundig_29504_401_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
	{
	struct budget* budget = (struct budget*) fe->dvb->priv;
	u32 div;
	u8 cfg, cpump, band_select;
	u8 data[4];
	struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) };

	div = (36125000 + params->frequency) / 166666;

	cfg = 0x88;

	if (params->frequency < 175000000) cpump = 2;
	else if (params->frequency < 390000000) cpump = 1;
	else if (params->frequency < 470000000) cpump = 2;
	else if (params->frequency < 750000000) cpump = 1;
	else cpump = 3;

	if (params->frequency < 175000000) band_select = 0x0e;
	else if (params->frequency < 470000000) band_select = 0x05;
	else band_select = 0x03;

	data[0] = (div >> 8) & 0x7f;
	data[1] = div & 0xff;
	data[2] = ((div >> 10) & 0x60) \| cfg;
	data[3] = (cpump << 6) \| band_select;

	if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
	return 0;
	}

	static struct l64781_config grundig_29504_401_config = {
	.demod_address = 0x55,
	.pll_set = grundig_29504_401_pll_set,
	};

	static int grundig_29504_451_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
	{
	struct budget* budget = (struct budget*) fe->dvb->priv;
	u32 div;
	u8 data[4];
	struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) };

	div = params->frequency / 125;
	data[0] = (div >> 8) & 0x7f;
	data[1] = div & 0xff;
	data[2] = 0x8e;
	data[3] = 0x00;

	if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
	return 0;
	}

	static struct tda8083_config grundig_29504_451_config = {
	.demod_address = 0x68,
	.pll_set = grundig_29504_451_pll_set,
	};

	static u8 read_pwm(struct budget* budget)
	{
	u8 b = 0xff;
	u8 pwm;
	struct i2c_msg msg[] = { { .addr = 0x50,.flags = 0,.buf = &b,.len = 1 },
	{ .addr = 0x50,.flags = I2C_M_RD,.buf = &pwm,.len = 1} };

	if ((i2c_transfer(&budget->i2c_adap, msg, 2) != 2) \|\| (pwm == 0xff))
	pwm = 0x48;

	return pwm;
	}

	static void frontend_init(struct budget *budget)
	{
	switch(budget->dev->pci->subsystem_device) {
	case 0x1003: // Hauppauge/TT Nova budget (stv0299/ALPS BSRU6(tsa5059) OR ves1893/ALPS BSRV2(sp5659))
	case 0x1013:
	// try the ALPS BSRV2 first of all
	budget->dvb_frontend = ves1x93_attach(&alps_bsrv2_config, &budget->i2c_adap);
	if (budget->dvb_frontend) {
	budget->dvb_frontend->ops->diseqc_send_master_cmd = budget_diseqc_send_master_cmd;
	budget->dvb_frontend->ops->diseqc_send_burst = budget_diseqc_send_burst;
	budget->dvb_frontend->ops->set_tone = budget_set_tone;
	break;
	}

	// try the ALPS BSRU6 now
	budget->dvb_frontend = stv0299_attach(&alps_bsru6_config, &budget->i2c_adap);
	if (budget->dvb_frontend) {
	budget->dvb_frontend->ops->diseqc_send_master_cmd = budget_diseqc_send_master_cmd;
	budget->dvb_frontend->ops->diseqc_send_burst = budget_diseqc_send_burst;
	budget->dvb_frontend->ops->set_tone = budget_set_tone;
	break;
	}
	break;

	case 0x1004: // Hauppauge/TT DVB-C budget (ves1820/ALPS TDBE2(sp5659))

	budget->dvb_frontend = ves1820_attach(&alps_tdbe2_config, &budget->i2c_adap, read_pwm(budget));
	if (budget->dvb_frontend) break;
	break;

	case 0x1005: // Hauppauge/TT Nova-T budget (L64781/Grundig 29504-401(tsa5060))

	budget->dvb_frontend = l64781_attach(&grundig_29504_401_config, &budget->i2c_adap);
	if (budget->dvb_frontend) break;
	break;

	case 0x4f60: // Fujitsu Siemens Activy Budget-S PCI rev AL (stv0299/ALPS BSRU6(tsa5059))
	budget->dvb_frontend = stv0299_attach(&alps_bsru6_config, &budget->i2c_adap);
	if (budget->dvb_frontend) {
	budget->dvb_frontend->ops->set_voltage = siemens_budget_set_voltage;
	break;
	}
	break;

	case 0x4f61: // Fujitsu Siemens Activy Budget-S PCI rev GR (tda8083/Grundig 29504-451(tsa5522))
	budget->dvb_frontend = tda8083_attach(&grundig_29504_451_config, &budget->i2c_adap);
	if (budget->dvb_frontend) {
	budget->dvb_frontend->ops->set_voltage = siemens_budget_set_voltage;
	break;
	}
	break;
	}

	if (budget->dvb_frontend == NULL) {
	printk("budget: A frontend driver was not found for device %04x/%04x subsystem %04x/%04x\n",
	budget->dev->pci->vendor,
	budget->dev->pci->device,
	budget->dev->pci->subsystem_vendor,
	budget->dev->pci->subsystem_device);
	} else {
	if (dvb_register_frontend(&budget->dvb_adapter, budget->dvb_frontend)) {
	printk("budget: Frontend registration failed!\n");
	if (budget->dvb_frontend->ops->release)
	budget->dvb_frontend->ops->release(budget->dvb_frontend);
	budget->dvb_frontend = NULL;
	}
	}
	}

	static int budget_attach (struct saa7146_dev* dev, struct saa7146_pci_extension_data *info)
	{
	struct budget *budget = NULL;
	int err;

	budget = kmalloc(sizeof(struct budget), GFP_KERNEL);
	if( NULL == budget ) {
	return -ENOMEM;
	}

	dprintk(2, "dev:%p, info:%p, budget:%p\n", dev, info, budget);

	dev->ext_priv = budget;

	if ((err = ttpci_budget_init (budget, dev, info, THIS_MODULE))) {
	printk("==> failed\n");
	kfree (budget);
	return err;
	}

	budget->dvb_adapter.priv = budget;
	frontend_init(budget);

	return 0;
	}

	static int budget_detach (struct saa7146_dev* dev)
	{
	struct budget budget = (struct budget) dev->ext_priv;
	int err;

	if (budget->dvb_frontend) dvb_unregister_frontend(budget->dvb_frontend);

	err = ttpci_budget_deinit (budget);

	kfree (budget);
	dev->ext_priv = NULL;

	return err;
	}

	static struct saa7146_extension budget_extension;

	MAKE_BUDGET_INFO(ttbs, "TT-Budget/WinTV-NOVA-S PCI", BUDGET_TT);
	MAKE_BUDGET_INFO(ttbc, "TT-Budget/WinTV-NOVA-C PCI", BUDGET_TT);
	MAKE_BUDGET_INFO(ttbt, "TT-Budget/WinTV-NOVA-T PCI", BUDGET_TT);
	MAKE_BUDGET_INFO(satel, "SATELCO Multimedia PCI", BUDGET_TT_HW_DISEQC);
	MAKE_BUDGET_INFO(fsacs0, "Fujitsu Siemens Activy Budget-S PCI (rev GR/grundig frontend)", BUDGET_FS_ACTIVY);
	MAKE_BUDGET_INFO(fsacs1, "Fujitsu Siemens Activy Budget-S PCI (rev AL/alps frontend)", BUDGET_FS_ACTIVY);

	static struct pci_device_id pci_tbl[] = {
	MAKE_EXTENSION_PCI(ttbs, 0x13c2, 0x1003),
	MAKE_EXTENSION_PCI(ttbc, 0x13c2, 0x1004),
	MAKE_EXTENSION_PCI(ttbt, 0x13c2, 0x1005),
	MAKE_EXTENSION_PCI(satel, 0x13c2, 0x1013),
	MAKE_EXTENSION_PCI(fsacs1,0x1131, 0x4f60),
	MAKE_EXTENSION_PCI(fsacs0,0x1131, 0x4f61),
	{
	.vendor = 0,
	}
	};

	MODULE_DEVICE_TABLE(pci, pci_tbl);

	static struct saa7146_extension budget_extension = {
	.name = "budget dvb\0",
	.flags = 0,

	.module = THIS_MODULE,
	.pci_tbl = pci_tbl,
	.attach = budget_attach,
	.detach = budget_detach,

	.irq_mask = MASK_10,
	.irq_func = ttpci_budget_irq10_handler,
	};

	static int __init budget_init(void)
	{
	return saa7146_register_extension(&budget_extension);
	}

	static void __exit budget_exit(void)
	{
	saa7146_unregister_extension(&budget_extension);
	}

	module_init(budget_init);
	module_exit(budget_exit);

	MODULE_LICENSE("GPL");
	MODULE_AUTHOR("Ralph Metzler, Marcus Metzler, Michael Hunold, others");
	MODULE_DESCRIPTION("driver for the SAA7146 based so-called "
	"budget PCI DVB cards by Siemens, Technotrend, Hauppauge");