/* * budget-patch.c: driver for Budget Patch, * hardware modification of DVB-S cards enabling full TS * * Written by Emard <emard@softhome.net> * * Original idea by Roberto Deza <rdeza@unav.es> * * Special thanks to Holger Waechtler, Michael Hunold, Marian Durkovic * and Metzlerbros * * 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 "av7110.h"#include "av7110_hw.h"#include "budget.h"#include "stv0299.h"#include "ves1x93.h"#include "tda8083.h"#define budget_patch budgetstatic struct saa7146_extension budget_extension;MAKE_BUDGET_INFO(ttbp, "TT-Budget/Patch DVB-S 1.x PCI", BUDGET_PATCH);//MAKE_BUDGET_INFO(satel,"TT-Budget/Patch SATELCO PCI", BUDGET_TT_HW_DISEQC);static struct pci_device_id pci_tbl[] = {	MAKE_EXTENSION_PCI(ttbp,0x13c2, 0x0000),//        MAKE_EXTENSION_PCI(satel, 0x13c2, 0x1013),	{		.vendor    = 0,	}};/* those lines are for budget-patch to be tried** on a true budget card and observe the** behaviour of VSYNC generated by rps1.** this code was shamelessly copy/pasted from budget.c*/static void gpio_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;}/* shamelessly copy/pasted from budget.c*/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:		gpio_Set22K (budget, 1);		break;	case SEC_TONE_OFF:		gpio_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 budget_av7110_send_fw_cmd(struct budget_patch *budget, u16* buf, int length){	int i;	dprintk(2, "budget: %p\n", budget);	for (i = 2; i < length; i++)	{		  ttpci_budget_debiwrite(budget, DEBINOSWAP, COMMAND + 2*i, 2, (u32) buf[i], 0,0);		  msleep(5);	}	if (length)		  ttpci_budget_debiwrite(budget, DEBINOSWAP, COMMAND + 2, 2, (u32) buf[1], 0,0);	else		  ttpci_budget_debiwrite(budget, DEBINOSWAP, COMMAND + 2, 2, 0, 0,0);	msleep(5);	ttpci_budget_debiwrite(budget, DEBINOSWAP, COMMAND, 2, (u32) buf[0], 0,0);	msleep(5);	return 0;}static void av7110_set22k(struct budget_patch *budget, int state){	u16 buf[2] = {( COMTYPE_AUDIODAC << 8) | (state ? ON22K : OFF22K), 0};	dprintk(2, "budget: %p\n", budget);	budget_av7110_send_fw_cmd(budget, buf, 2);}static int av7110_send_diseqc_msg(struct budget_patch *budget, int len, u8 *msg, int burst){	int i;	u16 buf[18] = { ((COMTYPE_AUDIODAC << 8) | SendDiSEqC),		16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };	dprintk(2, "budget: %p\n", budget);	if (len>10)		len=10;	buf[1] = len+2;	buf[2] = len;	if (burst != -1)		buf[3]=burst ? 0x01 : 0x00;	else		buf[3]=0xffff;	for (i=0; i<len; i++)		buf[i+4]=msg[i];	budget_av7110_send_fw_cmd(budget, buf, 18);	return 0;}static int budget_patch_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone){	struct budget_patch* budget = (struct budget_patch*) fe->dvb->priv;	switch (tone) {	case SEC_TONE_ON:		av7110_set22k (budget, 1);		break;	case SEC_TONE_OFF:		av7110_set22k (budget, 0);		break;	default:		return -EINVAL;	}	return 0;}static int budget_patch_diseqc_send_master_cmd(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd* cmd){	struct budget_patch* budget = (struct budget_patch*) fe->dvb->priv;	av7110_send_diseqc_msg (budget, cmd->msg_len, cmd->msg, 0);	return 0;}static int budget_patch_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t minicmd){	struct budget_patch* budget = (struct budget_patch*) fe->dvb->priv;	av7110_send_diseqc_msg (budget, 0, NULL, minicmd);	return 0;}static int alps_bsrv2_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params){	struct budget_patch* budget = (struct budget_patch*) 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, 0xb9,	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 i2c_adapter *i2c, struct dvb_frontend_parameters* params){	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(i2c, &msg, 1) != 1) return -EIO;	return 0;}static struct stv0299_config alps_bsru6_config = {