budget.c

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/*
 * budget.c: driver for the SAA7146 based Budget DVB cards
 *
 * Compiled from various sources by Michael Hunold <[email protected]>
 *
 * Copyright (C) 2002 Ralph Metzler <[email protected]>
 *
 * Copyright (C) 1999-2002 Ralph  Metzler
 *                       & Marcus Metzler for convergence integrated media GmbH
 *
 * 26feb2004 Support for FS Activy Card (Grundig tuner) by
 *           Michael Dreher <[email protected]>,
 *           Oliver Endriss <[email protected]> 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/ 
 */

#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 <[email protected]> */

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, 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, 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, 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_tuner_set_params(struct dvb_frontend *fe)
{
    struct dtv_frontend_properties *c = &fe->dtv_property_cache;
    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 = (c->frequency + 479500) / 125;

    if (c->frequency > 2000000)
        pwr = 3;
    else if (c->frequency > 1800000)
        pwr = 2;
    else if (c->frequency > 1600000)
        pwr = 1;
    else if (c->frequency > 1200000)
        pwr = 0;
    else if (c->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 (fe->ops.i2c_gate_ctrl)
        fe->ops.i2c_gate_ctrl(fe, 1);
    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,
};

static int alps_tdbe2_tuner_set_params(struct dvb_frontend *fe)
{
    struct dtv_frontend_properties *c = &fe->dtv_property_cache;
    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 = (c->frequency + 35937500 + 31250) / 62500;

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

    if (fe->ops.i2c_gate_ctrl)
        fe->ops.i2c_gate_ctrl(fe, 1);
    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,
};

static int grundig_29504_401_tuner_set_params(struct dvb_frontend *fe)
{
    struct dtv_frontend_properties *c = &fe->dtv_property_cache;
    struct budget *budget = fe->dvb->priv;
    u8 *tuner_addr = fe->tuner_priv;
    u32 div;
    u8 cfg, cpump, band_select;
    u8 data[4];
    struct i2c_msg msg = { .flags = 0, .buf = data, .len = sizeof(data) };

    if (tuner_addr)
        msg.addr = *tuner_addr;
    else
        msg.addr = 0x61;

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

    cfg = 0x88;

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

    if (c->frequency < 175000000)
        band_select = 0x0e;
    else if (c->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 (fe->ops.i2c_gate_ctrl)
        fe->ops.i2c_gate_ctrl(fe, 1);
    if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
    return 0;
}

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

static struct l64781_config grundig_29504_401_config_activy = {
    .demod_address = 0x54,
};

static u8 tuner_address_grundig_29504_401_activy = 0x60;

static int grundig_29504_451_tuner_set_params(struct dvb_frontend *fe)
{
    struct dtv_frontend_properties *c = &fe->dtv_property_cache;
    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 = c->frequency / 125;
    data[0] = (div >> 8) & 0x7f;
    data[1] = div & 0xff;
    data[2] = 0x8e;
    data[3] = 0x00;

    if (fe->ops.i2c_gate_ctrl)
        fe->ops.i2c_gate_ctrl(fe, 1);
    if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
    return 0;
}

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

static int s5h1420_tuner_set_params(struct dvb_frontend *fe)
{
    struct dtv_frontend_properties *c = &fe->dtv_property_cache;
    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 = c->frequency / 1000;
    data[0] = (div >> 8) & 0x7f;
    data[1] = div & 0xff;
    data[2] = 0xc2;

    if (div < 1450)
        data[3] = 0x00;
    else if (div < 1850)
        data[3] = 0x40;
    else if (div < 2000)
        data[3] = 0x80;
    else
        data[3] = 0xc0;

    if (fe->ops.i2c_gate_ctrl)
        fe->ops.i2c_gate_ctrl(fe, 1);
    if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;

    return 0;
}

static struct s5h1420_config s5h1420_config = {
    .demod_address = 0x53,
    .invert = 1,
    .cdclk_polarity = 1,
};

static struct tda10086_config tda10086_config = {
    .demod_address = 0x0e,
    .invert = 0,
    .diseqc_tone = 1,
    .xtal_freq = TDA10086_XTAL_16M,
};

static struct stv0299_config alps_bsru6_config_activy = {
    .demod_address = 0x68,
    .inittab = alps_bsru6_inittab,
    .mclk = 88000000UL,
    .invert = 1,
    .op0_off = 1,
    .min_delay_ms = 100,
    .set_symbol_rate = alps_bsru6_set_symbol_rate,
};

static struct stv0299_config alps_bsbe1_config_activy = {
    .demod_address = 0x68,
    .inittab = alps_bsbe1_inittab,
    .mclk = 88000000UL,
    .invert = 1,
    .op0_off = 1,
    .min_delay_ms = 100,
    .set_symbol_rate = alps_bsbe1_set_symbol_rate,
};

static int alps_tdhd1_204_request_firmware(struct dvb_frontend *fe, const struct firmware **fw, char *name)
{
    struct budget *budget = (struct budget *)fe->dvb->priv;

    return request_firmware(fw, name, &budget->dev->pci->dev);
}


static int i2c_readreg(struct i2c_adapter *i2c, u8 adr, u8 reg)
{
    u8 val;
    struct i2c_msg msg[] = {
        { .addr = adr, .flags = 0, .buf = &reg, .len = 1 },
        { .addr = adr, .flags = I2C_M_RD, .buf = &val, .len = 1 }
    };

    return (i2c_transfer(i2c, msg, 2) != 2) ? -EIO : val;
}

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 struct stv090x_config tt1600_stv090x_config = {
    .device         = STV0903,
    .demod_mode     = STV090x_SINGLE,
    .clk_mode       = STV090x_CLK_EXT,

    .xtal           = 13500000,
    .address        = 0x68,

    .ts1_mode       = STV090x_TSMODE_DVBCI,
    .ts2_mode       = STV090x_TSMODE_SERIAL_CONTINUOUS,

    .repeater_level     = STV090x_RPTLEVEL_16,

    .tuner_init     = NULL,
    .tuner_sleep        = NULL,
    .tuner_set_mode     = NULL,
    .tuner_set_frequency    = NULL,
    .tuner_get_frequency    = NULL,
    .tuner_set_bandwidth    = NULL,
    .tuner_get_bandwidth    = NULL,
    .tuner_set_bbgain   = NULL,
    .tuner_get_bbgain   = NULL,
    .tuner_set_refclk   = NULL,
    .tuner_get_status   = NULL,
};

static struct stv6110x_config tt1600_stv6110x_config = {
    .addr           = 0x60,
    .refclk         = 27000000,
    .clk_div        = 2,
};

static struct isl6423_config tt1600_isl6423_config = {
    .current_max        = SEC_CURRENT_515m,
    .curlim         = SEC_CURRENT_LIM_ON,
    .mod_extern     = 1,
    .addr           = 0x08,
};

static void frontend_init(struct budget *budget)
{
    (void)alps_bsbe1_config; /* avoid warning */

    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 = dvb_attach(ves1x93_attach, &alps_bsrv2_config, &budget->i2c_adap);
        if (budget->dvb_frontend) {
            budget->dvb_frontend->ops.tuner_ops.set_params = alps_bsrv2_tuner_set_params;
            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 = dvb_attach(stv0299_attach, &alps_bsru6_config, &budget->i2c_adap);
        if (budget->dvb_frontend) {
            budget->dvb_frontend->ops.tuner_ops.set_params = alps_bsru6_tuner_set_params;
            budget->dvb_frontend->tuner_priv = &budget->i2c_adap;
            if (budget->dev->pci->subsystem_device == 0x1003 && diseqc_method == 0) {
                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 = dvb_attach(ves1820_attach, &alps_tdbe2_config, &budget->i2c_adap, read_pwm(budget));
        if (budget->dvb_frontend) {
            budget->dvb_frontend->ops.tuner_ops.set_params = alps_tdbe2_tuner_set_params;
            break;
        }
        break;

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

        budget->dvb_frontend = dvb_attach(l64781_attach, &grundig_29504_401_config, &budget->i2c_adap);
        if (budget->dvb_frontend) {
            budget->dvb_frontend->ops.tuner_ops.set_params = grundig_29504_401_tuner_set_params;
            budget->dvb_frontend->tuner_priv = NULL;
            break;
        }
        break;

    case 0x4f60: /* Fujitsu Siemens Activy Budget-S PCI rev AL (stv0299/tsa5059) */
    {
        int subtype = i2c_readreg(&budget->i2c_adap, 0x50, 0x67);

        if (subtype < 0)
            break;
        /* fixme: find a better way to identify the card */
        if (subtype < 0x36) {
            /* assume ALPS BSRU6 */
            budget->dvb_frontend = dvb_attach(stv0299_attach, &alps_bsru6_config_activy, &budget->i2c_adap);
            if (budget->dvb_frontend) {
                printk(KERN_INFO "budget: tuner ALPS BSRU6 detected\n");
                budget->dvb_frontend->ops.tuner_ops.set_params = alps_bsru6_tuner_set_params;
                budget->dvb_frontend->tuner_priv = &budget->i2c_adap;
                budget->dvb_frontend->ops.set_voltage = siemens_budget_set_voltage;
                budget->dvb_frontend->ops.dishnetwork_send_legacy_command = NULL;
                break;
            }
        } else {
            /* assume ALPS BSBE1 */
            /* reset tuner */
            saa7146_setgpio(budget->dev, 3, SAA7146_GPIO_OUTLO);
            msleep(50);
            saa7146_setgpio(budget->dev, 3, SAA7146_GPIO_OUTHI);
            msleep(250);
            budget->dvb_frontend = dvb_attach(stv0299_attach, &alps_bsbe1_config_activy, &budget->i2c_adap);
            if (budget->dvb_frontend) {
                printk(KERN_INFO "budget: tuner ALPS BSBE1 detected\n");
                budget->dvb_frontend->ops.tuner_ops.set_params = alps_bsbe1_tuner_set_params;
                budget->dvb_frontend->tuner_priv = &budget->i2c_adap;
                budget->dvb_frontend->ops.set_voltage = siemens_budget_set_voltage;
                budget->dvb_frontend->ops.dishnetwork_send_legacy_command = NULL;
                break;
            }
        }
        break;
    }

    case 0x4f61: // Fujitsu Siemens Activy Budget-S PCI rev GR (tda8083/Grundig 29504-451(tsa5522))
        budget->dvb_frontend = dvb_attach(tda8083_attach, &grundig_29504_451_config, &budget->i2c_adap);
        if (budget->dvb_frontend) {
            budget->dvb_frontend->ops.tuner_ops.set_params = grundig_29504_451_tuner_set_params;
            budget->dvb_frontend->ops.set_voltage = siemens_budget_set_voltage;
            budget->dvb_frontend->ops.dishnetwork_send_legacy_command = NULL;
        }
        break;

    case 0x5f60: /* Fujitsu Siemens Activy Budget-T PCI rev AL (tda10046/ALPS TDHD1-204A) */
        budget->dvb_frontend = dvb_attach(tda10046_attach, &alps_tdhd1_204a_config, &budget->i2c_adap);
        if (budget->dvb_frontend) {
            budget->dvb_frontend->ops.tuner_ops.set_params = alps_tdhd1_204a_tuner_set_params;
            budget->dvb_frontend->tuner_priv = &budget->i2c_adap;
        }
        break;

    case 0x5f61: /* Fujitsu Siemens Activy Budget-T PCI rev GR (L64781/Grundig 29504-401(tsa5060)) */
        budget->dvb_frontend = dvb_attach(l64781_attach, &grundig_29504_401_config_activy, &budget->i2c_adap);
        if (budget->dvb_frontend) {
            budget->dvb_frontend->tuner_priv = &tuner_address_grundig_29504_401_activy;
            budget->dvb_frontend->ops.tuner_ops.set_params = grundig_29504_401_tuner_set_params;
        }
        break;

    case 0x1016: // Hauppauge/TT Nova-S SE (samsung s5h1420/????(tda8260))
        budget->dvb_frontend = dvb_attach(s5h1420_attach, &s5h1420_config, &budget->i2c_adap);
        if (budget->dvb_frontend) {
            budget->dvb_frontend->ops.tuner_ops.set_params = s5h1420_tuner_set_params;
            if (dvb_attach(lnbp21_attach, budget->dvb_frontend, &budget->i2c_adap, 0, 0) == NULL) {
                printk("%s: No LNBP21 found!\n", __func__);
                goto error_out;
            }
            break;
        }

    case 0x1018: // TT Budget-S-1401 (philips tda10086/philips tda8262)
        // gpio2 is connected to CLB - reset it + leave it high
        saa7146_setgpio(budget->dev, 2, SAA7146_GPIO_OUTLO);
        msleep(1);
        saa7146_setgpio(budget->dev, 2, SAA7146_GPIO_OUTHI);
        msleep(1);

        budget->dvb_frontend = dvb_attach(tda10086_attach, &tda10086_config, &budget->i2c_adap);
        if (budget->dvb_frontend) {
            if (dvb_attach(tda826x_attach, budget->dvb_frontend, 0x60, &budget->i2c_adap, 0) == NULL)
                printk("%s: No tda826x found!\n", __func__);
            if (dvb_attach(lnbp21_attach, budget->dvb_frontend, &budget->i2c_adap, 0, 0) == NULL) {
                printk("%s: No LNBP21 found!\n", __func__);
                goto error_out;
            }
            break;
        }

    case 0x101c: { /* TT S2-1600 */
            struct stv6110x_devctl *ctl;
            saa7146_setgpio(budget->dev, 2, SAA7146_GPIO_OUTLO);
            msleep(50);
            saa7146_setgpio(budget->dev, 2, SAA7146_GPIO_OUTHI);
            msleep(250);

            budget->dvb_frontend = dvb_attach(stv090x_attach,
                              &tt1600_stv090x_config,
                              &budget->i2c_adap,
                              STV090x_DEMODULATOR_0);

            if (budget->dvb_frontend) {

                ctl = dvb_attach(stv6110x_attach,
                         budget->dvb_frontend,
                         &tt1600_stv6110x_config,
                         &budget->i2c_adap);

                if (ctl) {
                    tt1600_stv090x_config.tuner_init      = ctl->tuner_init;
                    tt1600_stv090x_config.tuner_sleep     = ctl->tuner_sleep;
                    tt1600_stv090x_config.tuner_set_mode      = ctl->tuner_set_mode;
                    tt1600_stv090x_config.tuner_set_frequency = ctl->tuner_set_frequency;
                    tt1600_stv090x_config.tuner_get_frequency = ctl->tuner_get_frequency;
                    tt1600_stv090x_config.tuner_set_bandwidth = ctl->tuner_set_bandwidth;
                    tt1600_stv090x_config.tuner_get_bandwidth = ctl->tuner_get_bandwidth;
                    tt1600_stv090x_config.tuner_set_bbgain    = ctl->tuner_set_bbgain;
                    tt1600_stv090x_config.tuner_get_bbgain    = ctl->tuner_get_bbgain;
                    tt1600_stv090x_config.tuner_set_refclk    = ctl->tuner_set_refclk;
                    tt1600_stv090x_config.tuner_get_status    = ctl->tuner_get_status;

                    /* call the init function once to initialize
                       tuner's clock output divider and demod's
                       master clock */
                    if (budget->dvb_frontend->ops.init)
                        budget->dvb_frontend->ops.init(budget->dvb_frontend);

                    if (dvb_attach(isl6423_attach,
                               budget->dvb_frontend,
                               &budget->i2c_adap,
                               &tt1600_isl6423_config) == NULL) {
                        printk(KERN_ERR "%s: No Intersil ISL6423 found!\n", __func__);
                        goto error_out;
                    }
                } else {
                    printk(KERN_ERR "%s: No STV6110(A) Silicon Tuner found!\n", __func__);
                    goto error_out;
                }
            }
        }
        break;

    case 0x1020: { /* Omicom S2 */
            struct stv6110x_devctl *ctl;
            saa7146_setgpio(budget->dev, 2, SAA7146_GPIO_OUTLO);
            msleep(50);
            saa7146_setgpio(budget->dev, 2, SAA7146_GPIO_OUTHI);
            msleep(250);

            budget->dvb_frontend = dvb_attach(stv090x_attach,
                              &tt1600_stv090x_config,
                              &budget->i2c_adap,
                              STV090x_DEMODULATOR_0);

            if (budget->dvb_frontend) {
                printk(KERN_INFO "budget: Omicom S2 detected\n");

                ctl = dvb_attach(stv6110x_attach,
                         budget->dvb_frontend,
                         &tt1600_stv6110x_config,
                         &budget->i2c_adap);

                if (ctl) {
                    tt1600_stv090x_config.tuner_init      = ctl->tuner_init;
                    tt1600_stv090x_config.tuner_sleep     = ctl->tuner_sleep;
                    tt1600_stv090x_config.tuner_set_mode      = ctl->tuner_set_mode;
                    tt1600_stv090x_config.tuner_set_frequency = ctl->tuner_set_frequency;
                    tt1600_stv090x_config.tuner_get_frequency = ctl->tuner_get_frequency;
                    tt1600_stv090x_config.tuner_set_bandwidth = ctl->tuner_set_bandwidth;
                    tt1600_stv090x_config.tuner_get_bandwidth = ctl->tuner_get_bandwidth;
                    tt1600_stv090x_config.tuner_set_bbgain    = ctl->tuner_set_bbgain;
                    tt1600_stv090x_config.tuner_get_bbgain    = ctl->tuner_get_bbgain;
                    tt1600_stv090x_config.tuner_set_refclk    = ctl->tuner_set_refclk;
                    tt1600_stv090x_config.tuner_get_status    = ctl->tuner_get_status;

                    /* call the init function once to initialize
                       tuner's clock output divider and demod's
                       master clock */
                    if (budget->dvb_frontend->ops.init)
                        budget->dvb_frontend->ops.init(budget->dvb_frontend);

                    if (dvb_attach(lnbh24_attach,
                            budget->dvb_frontend,
                            &budget->i2c_adap,
                            LNBH24_PCL | LNBH24_TTX,
                            LNBH24_TEN, 0x14>>1) == NULL) {
                        printk(KERN_ERR
                        "No LNBH24 found!\n");
                        goto error_out;
                    }
                } else {
                    printk(KERN_ERR "%s: No STV6110(A) Silicon Tuner found!\n", __func__);
                    goto error_out;
                }
            }
        }
        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))
            goto error_out;
    }
    return;

error_out:
    printk("budget: Frontend registration failed!\n");
    dvb_frontend_detach(budget->dvb_frontend);
    budget->dvb_frontend = NULL;
    return;
}

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;

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

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

    ttpci_budget_init_hooks(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);
        dvb_frontend_detach(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(ttbs1401, "TT-Budget-S-1401 PCI", BUDGET_TT);
MAKE_BUDGET_INFO(tt1600, "TT-Budget S2-1600 PCI", BUDGET_TT);
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);
MAKE_BUDGET_INFO(fsact,  "Fujitsu Siemens Activy Budget-T PCI (rev GR/Grundig frontend)", BUDGET_FS_ACTIVY);
MAKE_BUDGET_INFO(fsact1, "Fujitsu Siemens Activy Budget-T PCI (rev AL/ALPS TDHD1-204A)", BUDGET_FS_ACTIVY);
MAKE_BUDGET_INFO(omicom, "Omicom S2 PCI", BUDGET_TT);

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(ttbs,  0x13c2, 0x1016),
    MAKE_EXTENSION_PCI(ttbs1401, 0x13c2, 0x1018),
    MAKE_EXTENSION_PCI(tt1600, 0x13c2, 0x101c),
    MAKE_EXTENSION_PCI(fsacs1,0x1131, 0x4f60),
    MAKE_EXTENSION_PCI(fsacs0,0x1131, 0x4f61),
    MAKE_EXTENSION_PCI(fsact1, 0x1131, 0x5f60),
    MAKE_EXTENSION_PCI(fsact, 0x1131, 0x5f61),
    MAKE_EXTENSION_PCI(omicom, 0x14c4, 0x1020),
    {
        .vendor    = 0,
    }
};

MODULE_DEVICE_TABLE(pci, pci_tbl);

static struct saa7146_extension budget_extension = {
    .name       = "budget dvb",
    .flags      = SAA7146_USE_I2C_IRQ,

    .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");