dvb-bt8xx.c

Go to the documentation of this file.

/*
 * Bt8xx based DVB adapter driver
 *
 * Copyright (C) 2002,2003 Florian Schirmer <[email protected]>
 *
 * 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.
 *
 */

#define pr_fmt(fmt) "dvb_bt8xx: " fmt

#include <linux/bitops.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/i2c.h>

#include "dmxdev.h"
#include "dvbdev.h"
#include "dvb_demux.h"
#include "dvb_frontend.h"
#include "dvb-bt8xx.h"
#include "bt878.h"

static int debug;

module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");

DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);

#define dprintk( args... ) \
    do { \
        if (debug) printk(KERN_DEBUG args); \
    } while (0)

#define IF_FREQUENCYx6 217    /* 6 * 36.16666666667MHz */

static void dvb_bt8xx_task(unsigned long data)
{
    struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *)data;

    //printk("%d ", card->bt->finished_block);

    while (card->bt->last_block != card->bt->finished_block) {
        (card->bt->TS_Size ? dvb_dmx_swfilter_204 : dvb_dmx_swfilter)
            (&card->demux,
             &card->bt->buf_cpu[card->bt->last_block *
                        card->bt->block_bytes],
             card->bt->block_bytes);
        card->bt->last_block = (card->bt->last_block + 1) %
                    card->bt->block_count;
    }
}

static int dvb_bt8xx_start_feed(struct dvb_demux_feed *dvbdmxfeed)
{
    struct dvb_demux*dvbdmx = dvbdmxfeed->demux;
    struct dvb_bt8xx_card *card = dvbdmx->priv;
    int rc;

    dprintk("dvb_bt8xx: start_feed\n");

    if (!dvbdmx->dmx.frontend)
        return -EINVAL;

    mutex_lock(&card->lock);
    card->nfeeds++;
    rc = card->nfeeds;
    if (card->nfeeds == 1)
        bt878_start(card->bt, card->gpio_mode,
                card->op_sync_orin, card->irq_err_ignore);
    mutex_unlock(&card->lock);
    return rc;
}

static int dvb_bt8xx_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
{
    struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
    struct dvb_bt8xx_card *card = dvbdmx->priv;

    dprintk("dvb_bt8xx: stop_feed\n");

    if (!dvbdmx->dmx.frontend)
        return -EINVAL;

    mutex_lock(&card->lock);
    card->nfeeds--;
    if (card->nfeeds == 0)
        bt878_stop(card->bt);
    mutex_unlock(&card->lock);

    return 0;
}

static int is_pci_slot_eq(struct pci_dev* adev, struct pci_dev* bdev)
{
    if ((adev->subsystem_vendor == bdev->subsystem_vendor) &&
        (adev->subsystem_device == bdev->subsystem_device) &&
        (adev->bus->number == bdev->bus->number) &&
        (PCI_SLOT(adev->devfn) == PCI_SLOT(bdev->devfn)))
        return 1;
    return 0;
}

static struct bt878 __devinit *dvb_bt8xx_878_match(unsigned int bttv_nr, struct pci_dev* bttv_pci_dev)
{
    unsigned int card_nr;

    /* Hmm, n squared. Hope n is small */
    for (card_nr = 0; card_nr < bt878_num; card_nr++)
        if (is_pci_slot_eq(bt878[card_nr].dev, bttv_pci_dev))
            return &bt878[card_nr];
    return NULL;
}

static int thomson_dtt7579_demod_init(struct dvb_frontend* fe)
{
    static u8 mt352_clock_config [] = { 0x89, 0x38, 0x38 };
    static u8 mt352_reset [] = { 0x50, 0x80 };
    static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
    static u8 mt352_agc_cfg [] = { 0x67, 0x28, 0x20 };
    static u8 mt352_gpp_ctl_cfg [] = { 0x8C, 0x33 };
    static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };

    mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
    udelay(2000);
    mt352_write(fe, mt352_reset, sizeof(mt352_reset));
    mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));

    mt352_write(fe, mt352_agc_cfg, sizeof(mt352_agc_cfg));
    mt352_write(fe, mt352_gpp_ctl_cfg, sizeof(mt352_gpp_ctl_cfg));
    mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));

    return 0;
}

static int thomson_dtt7579_tuner_calc_regs(struct dvb_frontend *fe, u8* pllbuf, int buf_len)
{
    struct dtv_frontend_properties *c = &fe->dtv_property_cache;
    u32 div;
    unsigned char bs = 0;
    unsigned char cp = 0;

    if (buf_len < 5)
        return -EINVAL;

    div = (((c->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;

    if (c->frequency < 542000000)
        cp = 0xb4;
    else if (c->frequency < 771000000)
        cp = 0xbc;
    else
        cp = 0xf4;

    if (c->frequency == 0)
        bs = 0x03;
    else if (c->frequency < 443250000)
        bs = 0x02;
    else
        bs = 0x08;

    pllbuf[0] = 0x60;
    pllbuf[1] = div >> 8;
    pllbuf[2] = div & 0xff;
    pllbuf[3] = cp;
    pllbuf[4] = bs;

    return 5;
}

static struct mt352_config thomson_dtt7579_config = {
    .demod_address = 0x0f,
    .demod_init = thomson_dtt7579_demod_init,
};

static struct zl10353_config thomson_dtt7579_zl10353_config = {
    .demod_address = 0x0f,
};

static int cx24108_tuner_set_params(struct dvb_frontend *fe)
{
    struct dtv_frontend_properties *c = &fe->dtv_property_cache;
    u32 freq = c->frequency;
    int i, a, n, pump;
    u32 band, pll;
    u32 osci[]={950000,1019000,1075000,1178000,1296000,1432000,
        1576000,1718000,1856000,2036000,2150000};
    u32 bandsel[]={0,0x00020000,0x00040000,0x00100800,0x00101000,
        0x00102000,0x00104000,0x00108000,0x00110000,
        0x00120000,0x00140000};

    #define XTAL 1011100 /* Hz, really 1.0111 MHz and a /10 prescaler */
    dprintk("cx24108 debug: entering SetTunerFreq, freq=%d\n", freq);

    /* This is really the bit driving the tuner chip cx24108 */

    if (freq<950000)
        freq = 950000; /* kHz */
    else if (freq>2150000)
        freq = 2150000; /* satellite IF is 950..2150MHz */

    /* decide which VCO to use for the input frequency */
    for(i = 1; (i < ARRAY_SIZE(osci) - 1) && (osci[i] < freq); i++);
    dprintk("cx24108 debug: select vco #%d (f=%d)\n", i, freq);
    band=bandsel[i];
    /* the gain values must be set by SetSymbolrate */
    /* compute the pll divider needed, from Conexant data sheet,
       resolved for (n*32+a), remember f(vco) is f(receive) *2 or *4,
       depending on the divider bit. It is set to /4 on the 2 lowest
       bands  */
    n=((i<=2?2:1)*freq*10L)/(XTAL/100);
    a=n%32; n/=32; if(a==0) n--;
    pump=(freq<(osci[i-1]+osci[i])/2);
    pll=0xf8000000|
        ((pump?1:2)<<(14+11))|
        ((n&0x1ff)<<(5+11))|
        ((a&0x1f)<<11);
    /* everything is shifted left 11 bits to left-align the bits in the
       32bit word. Output to the tuner goes MSB-aligned, after all */
    dprintk("cx24108 debug: pump=%d, n=%d, a=%d\n", pump, n, a);
    cx24110_pll_write(fe,band);
    /* set vga and vca to their widest-band settings, as a precaution.
       SetSymbolrate might not be called to set this up */
    cx24110_pll_write(fe,0x500c0000);
    cx24110_pll_write(fe,0x83f1f800);
    cx24110_pll_write(fe,pll);
    //writereg(client,0x56,0x7f);

    return 0;
}

static int pinnsat_tuner_init(struct dvb_frontend* fe)
{
    struct dvb_bt8xx_card *card = fe->dvb->priv;

    bttv_gpio_enable(card->bttv_nr, 1, 1);  /* output */
    bttv_write_gpio(card->bttv_nr, 1, 1);   /* relay on */

    return 0;
}

static int pinnsat_tuner_sleep(struct dvb_frontend* fe)
{
    struct dvb_bt8xx_card *card = fe->dvb->priv;

    bttv_write_gpio(card->bttv_nr, 1, 0);   /* relay off */

    return 0;
}

static struct cx24110_config pctvsat_config = {
    .demod_address = 0x55,
};

static int microtune_mt7202dtf_tuner_set_params(struct dvb_frontend *fe)
{
    struct dtv_frontend_properties *c = &fe->dtv_property_cache;
    struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
    u8 cfg, cpump, band_select;
    u8 data[4];
    u32 div;
    struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = data, .len = sizeof(data) };

    div = (36000000 + c->frequency + 83333) / 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 = 2;
    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);
    i2c_transfer(card->i2c_adapter, &msg, 1);
    return (div * 166666 - 36000000);
}

static int microtune_mt7202dtf_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
{
    struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;

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

static struct sp887x_config microtune_mt7202dtf_config = {
    .demod_address = 0x70,
    .request_firmware = microtune_mt7202dtf_request_firmware,
};

static int advbt771_samsung_tdtc9251dh0_demod_init(struct dvb_frontend* fe)
{
    static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
    static u8 mt352_reset [] = { 0x50, 0x80 };
    static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
    static u8 mt352_agc_cfg [] = { 0x67, 0x10, 0x23, 0x00, 0xFF, 0xFF,
                       0x00, 0xFF, 0x00, 0x40, 0x40 };
    static u8 mt352_av771_extra[] = { 0xB5, 0x7A };
    static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };

    mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
    udelay(2000);
    mt352_write(fe, mt352_reset, sizeof(mt352_reset));
    mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));

    mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
    udelay(2000);
    mt352_write(fe, mt352_av771_extra,sizeof(mt352_av771_extra));
    mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));

    return 0;
}

static int advbt771_samsung_tdtc9251dh0_tuner_calc_regs(struct dvb_frontend *fe, u8 *pllbuf, int buf_len)
{
    struct dtv_frontend_properties *c = &fe->dtv_property_cache;
    u32 div;
    unsigned char bs = 0;
    unsigned char cp = 0;

    if (buf_len < 5) return -EINVAL;

    div = (((c->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;

    if (c->frequency < 150000000)
        cp = 0xB4;
    else if (c->frequency < 173000000)
        cp = 0xBC;
    else if (c->frequency < 250000000)
        cp = 0xB4;
    else if (c->frequency < 400000000)
        cp = 0xBC;
    else if (c->frequency < 420000000)
        cp = 0xF4;
    else if (c->frequency < 470000000)
        cp = 0xFC;
    else if (c->frequency < 600000000)
        cp = 0xBC;
    else if (c->frequency < 730000000)
        cp = 0xF4;
    else
        cp = 0xFC;

    if (c->frequency < 150000000)
        bs = 0x01;
    else if (c->frequency < 173000000)
        bs = 0x01;
    else if (c->frequency < 250000000)
        bs = 0x02;
    else if (c->frequency < 400000000)
        bs = 0x02;
    else if (c->frequency < 420000000)
        bs = 0x02;
    else if (c->frequency < 470000000)
        bs = 0x02;
    else if (c->frequency < 600000000)
        bs = 0x08;
    else if (c->frequency < 730000000)
        bs = 0x08;
    else
        bs = 0x08;

    pllbuf[0] = 0x61;
    pllbuf[1] = div >> 8;
    pllbuf[2] = div & 0xff;
    pllbuf[3] = cp;
    pllbuf[4] = bs;

    return 5;
}

static struct mt352_config advbt771_samsung_tdtc9251dh0_config = {
    .demod_address = 0x0f,
    .demod_init = advbt771_samsung_tdtc9251dh0_demod_init,
};

static struct dst_config dst_config = {
    .demod_address = 0x55,
};

static int or51211_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
{
    struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;

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

static void or51211_setmode(struct dvb_frontend * fe, int mode)
{
    struct dvb_bt8xx_card *bt = fe->dvb->priv;
    bttv_write_gpio(bt->bttv_nr, 0x0002, mode);   /* Reset */
    msleep(20);
}

static void or51211_reset(struct dvb_frontend * fe)
{
    struct dvb_bt8xx_card *bt = fe->dvb->priv;

    /* RESET DEVICE
     * reset is controlled by GPIO-0
     * when set to 0 causes reset and when to 1 for normal op
     * must remain reset for 128 clock cycles on a 50Mhz clock
     * also PRM1 PRM2 & PRM4 are controlled by GPIO-1,GPIO-2 & GPIO-4
     * We assume that the reset has be held low long enough or we
     * have been reset by a power on.  When the driver is unloaded
     * reset set to 0 so if reloaded we have been reset.
     */
    /* reset & PRM1,2&4 are outputs */
    int ret = bttv_gpio_enable(bt->bttv_nr, 0x001F, 0x001F);
    if (ret != 0)
        printk(KERN_WARNING "or51211: Init Error - Can't Reset DVR (%i)\n", ret);
    bttv_write_gpio(bt->bttv_nr, 0x001F, 0x0000);   /* Reset */
    msleep(20);
    /* Now set for normal operation */
    bttv_write_gpio(bt->bttv_nr, 0x0001F, 0x0001);
    /* wait for operation to begin */
    msleep(500);
}

static void or51211_sleep(struct dvb_frontend * fe)
{
    struct dvb_bt8xx_card *bt = fe->dvb->priv;
    bttv_write_gpio(bt->bttv_nr, 0x0001, 0x0000);
}

static struct or51211_config or51211_config = {
    .demod_address = 0x15,
    .request_firmware = or51211_request_firmware,
    .setmode = or51211_setmode,
    .reset = or51211_reset,
    .sleep = or51211_sleep,
};

static int vp3021_alps_tded4_tuner_set_params(struct dvb_frontend *fe)
{
    struct dtv_frontend_properties *c = &fe->dtv_property_cache;
    struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
    u8 buf[4];
    u32 div;
    struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = buf, .len = sizeof(buf) };

    div = (c->frequency + 36166667) / 166667;

    buf[0] = (div >> 8) & 0x7F;
    buf[1] = div & 0xFF;
    buf[2] = 0x85;
    if ((c->frequency >= 47000000) && (c->frequency < 153000000))
        buf[3] = 0x01;
    else if ((c->frequency >= 153000000) && (c->frequency < 430000000))
        buf[3] = 0x02;
    else if ((c->frequency >= 430000000) && (c->frequency < 824000000))
        buf[3] = 0x0C;
    else if ((c->frequency >= 824000000) && (c->frequency < 863000000))
        buf[3] = 0x8C;
    else
        return -EINVAL;

    if (fe->ops.i2c_gate_ctrl)
        fe->ops.i2c_gate_ctrl(fe, 1);
    i2c_transfer(card->i2c_adapter, &msg, 1);
    return 0;
}

static struct nxt6000_config vp3021_alps_tded4_config = {
    .demod_address = 0x0a,
    .clock_inversion = 1,
};

static int digitv_alps_tded4_demod_init(struct dvb_frontend* fe)
{
    static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
    static u8 mt352_reset [] = { 0x50, 0x80 };
    static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
    static u8 mt352_agc_cfg [] = { 0x67, 0x20, 0xa0 };
    static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };

    mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
    udelay(2000);
    mt352_write(fe, mt352_reset, sizeof(mt352_reset));
    mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
    mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
    mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));

    return 0;
}

static int digitv_alps_tded4_tuner_calc_regs(struct dvb_frontend *fe,  u8 *pllbuf, int buf_len)
{
    u32 div;
    struct dtv_frontend_properties *c = &fe->dtv_property_cache;

    if (buf_len < 5)
        return -EINVAL;

    div = (((c->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;

    pllbuf[0] = 0x61;
    pllbuf[1] = (div >> 8) & 0x7F;
    pllbuf[2] = div & 0xFF;
    pllbuf[3] = 0x85;

    dprintk("frequency %u, div %u\n", c->frequency, div);

    if (c->frequency < 470000000)
        pllbuf[4] = 0x02;
    else if (c->frequency > 823000000)
        pllbuf[4] = 0x88;
    else
        pllbuf[4] = 0x08;

    if (c->bandwidth_hz == 8000000)
        pllbuf[4] |= 0x04;

    return 5;
}

static void digitv_alps_tded4_reset(struct dvb_bt8xx_card *bt)
{
    /*
     * Reset the frontend, must be called before trying
     * to initialise the MT352 or mt352_attach
     * will fail. Same goes for the nxt6000 frontend.
     *
     */

    int ret = bttv_gpio_enable(bt->bttv_nr, 0x08, 0x08);
    if (ret != 0)
        printk(KERN_WARNING "digitv_alps_tded4: Init Error - Can't Reset DVR (%i)\n", ret);

    /* Pulse the reset line */
    bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */
    bttv_write_gpio(bt->bttv_nr, 0x08, 0x00); /* Low  */
    msleep(100);

    bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */
}

static struct mt352_config digitv_alps_tded4_config = {
    .demod_address = 0x0a,
    .demod_init = digitv_alps_tded4_demod_init,
};

static struct lgdt330x_config tdvs_tua6034_config = {
    .demod_address    = 0x0e,
    .demod_chip       = LGDT3303,
    .serial_mpeg      = 0x40, /* TPSERIAL for 3303 in TOP_CONTROL */
};

static void lgdt330x_reset(struct dvb_bt8xx_card *bt)
{
    /* Set pin 27 of the lgdt3303 chip high to reset the frontend */

    /* Pulse the reset line */
    bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000001); /* High */
    bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000000); /* Low  */
    msleep(100);

    bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000001); /* High */
    msleep(100);
}

static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
{
    struct dst_state* state = NULL;

    switch(type) {
    case BTTV_BOARD_DVICO_DVBT_LITE:
        card->fe = dvb_attach(mt352_attach, &thomson_dtt7579_config, card->i2c_adapter);

        if (card->fe == NULL)
            card->fe = dvb_attach(zl10353_attach, &thomson_dtt7579_zl10353_config,
                          card->i2c_adapter);

        if (card->fe != NULL) {
            card->fe->ops.tuner_ops.calc_regs = thomson_dtt7579_tuner_calc_regs;
            card->fe->ops.info.frequency_min = 174000000;
            card->fe->ops.info.frequency_max = 862000000;
        }
        break;

    case BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE:
        lgdt330x_reset(card);
        card->fe = dvb_attach(lgdt330x_attach, &tdvs_tua6034_config, card->i2c_adapter);
        if (card->fe != NULL) {
            dvb_attach(simple_tuner_attach, card->fe,
                   card->i2c_adapter, 0x61,
                   TUNER_LG_TDVS_H06XF);
            dprintk ("dvb_bt8xx: lgdt330x detected\n");
        }
        break;

    case BTTV_BOARD_NEBULA_DIGITV:
        /*
         * It is possible to determine the correct frontend using the I2C bus (see the Nebula SDK);
         * this would be a cleaner solution than trying each frontend in turn.
         */

        /* Old Nebula (marked (c)2003 on high profile pci card) has nxt6000 demod */
        digitv_alps_tded4_reset(card);
        card->fe = dvb_attach(nxt6000_attach, &vp3021_alps_tded4_config, card->i2c_adapter);
        if (card->fe != NULL) {
            card->fe->ops.tuner_ops.set_params = vp3021_alps_tded4_tuner_set_params;
            dprintk ("dvb_bt8xx: an nxt6000 was detected on your digitv card\n");
            break;
        }

        /* New Nebula (marked (c)2005 on low profile pci card) has mt352 demod */
        digitv_alps_tded4_reset(card);
        card->fe = dvb_attach(mt352_attach, &digitv_alps_tded4_config, card->i2c_adapter);

        if (card->fe != NULL) {
            card->fe->ops.tuner_ops.calc_regs = digitv_alps_tded4_tuner_calc_regs;
            dprintk ("dvb_bt8xx: an mt352 was detected on your digitv card\n");
        }
        break;

    case BTTV_BOARD_AVDVBT_761:
        card->fe = dvb_attach(sp887x_attach, &microtune_mt7202dtf_config, card->i2c_adapter);
        if (card->fe) {
            card->fe->ops.tuner_ops.set_params = microtune_mt7202dtf_tuner_set_params;
        }
        break;

    case BTTV_BOARD_AVDVBT_771:
        card->fe = dvb_attach(mt352_attach, &advbt771_samsung_tdtc9251dh0_config, card->i2c_adapter);
        if (card->fe != NULL) {
            card->fe->ops.tuner_ops.calc_regs = advbt771_samsung_tdtc9251dh0_tuner_calc_regs;
            card->fe->ops.info.frequency_min = 174000000;
            card->fe->ops.info.frequency_max = 862000000;
        }
        break;

    case BTTV_BOARD_TWINHAN_DST:
        /*  DST is not a frontend driver !!!        */
        state = kmalloc(sizeof (struct dst_state), GFP_KERNEL);
        if (!state) {
            pr_err("No memory\n");
            break;
        }
        /*  Setup the Card                  */
        state->config = &dst_config;
        state->i2c = card->i2c_adapter;
        state->bt = card->bt;
        state->dst_ca = NULL;
        /*  DST is not a frontend, attaching the ASIC   */
        if (dvb_attach(dst_attach, state, &card->dvb_adapter) == NULL) {
            pr_err("%s: Could not find a Twinhan DST\n", __func__);
            break;
        }
        /*  Attach other DST peripherals if any     */
        /*  Conditional Access device           */
        card->fe = &state->frontend;
        if (state->dst_hw_cap & DST_TYPE_HAS_CA)
            dvb_attach(dst_ca_attach, state, &card->dvb_adapter);
        break;

    case BTTV_BOARD_PINNACLESAT:
        card->fe = dvb_attach(cx24110_attach, &pctvsat_config, card->i2c_adapter);
        if (card->fe) {
            card->fe->ops.tuner_ops.init = pinnsat_tuner_init;
            card->fe->ops.tuner_ops.sleep = pinnsat_tuner_sleep;
            card->fe->ops.tuner_ops.set_params = cx24108_tuner_set_params;
        }
        break;

    case BTTV_BOARD_PC_HDTV:
        card->fe = dvb_attach(or51211_attach, &or51211_config, card->i2c_adapter);
        if (card->fe != NULL)
            dvb_attach(simple_tuner_attach, card->fe,
                   card->i2c_adapter, 0x61,
                   TUNER_PHILIPS_FCV1236D);
        break;
    }

    if (card->fe == NULL)
        pr_err("A frontend driver was not found for device [%04x:%04x] subsystem [%04x:%04x]\n",
               card->bt->dev->vendor,
               card->bt->dev->device,
               card->bt->dev->subsystem_vendor,
               card->bt->dev->subsystem_device);
    else
        if (dvb_register_frontend(&card->dvb_adapter, card->fe)) {
            pr_err("Frontend registration failed!\n");
            dvb_frontend_detach(card->fe);
            card->fe = NULL;
        }
}

static int __devinit dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type)
{
    int result;

    result = dvb_register_adapter(&card->dvb_adapter, card->card_name,
                      THIS_MODULE, &card->bt->dev->dev,
                      adapter_nr);
    if (result < 0) {
        pr_err("dvb_register_adapter failed (errno = %d)\n", result);
        return result;
    }
    card->dvb_adapter.priv = card;

    card->bt->adapter = card->i2c_adapter;

    memset(&card->demux, 0, sizeof(struct dvb_demux));

    card->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING;

    card->demux.priv = card;
    card->demux.filternum = 256;
    card->demux.feednum = 256;
    card->demux.start_feed = dvb_bt8xx_start_feed;
    card->demux.stop_feed = dvb_bt8xx_stop_feed;
    card->demux.write_to_decoder = NULL;

    result = dvb_dmx_init(&card->demux);
    if (result < 0) {
        pr_err("dvb_dmx_init failed (errno = %d)\n", result);
        goto err_unregister_adaptor;
    }

    card->dmxdev.filternum = 256;
    card->dmxdev.demux = &card->demux.dmx;
    card->dmxdev.capabilities = 0;

    result = dvb_dmxdev_init(&card->dmxdev, &card->dvb_adapter);
    if (result < 0) {
        pr_err("dvb_dmxdev_init failed (errno = %d)\n", result);
        goto err_dmx_release;
    }

    card->fe_hw.source = DMX_FRONTEND_0;

    result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_hw);
    if (result < 0) {
        pr_err("dvb_dmx_init failed (errno = %d)\n", result);
        goto err_dmxdev_release;
    }

    card->fe_mem.source = DMX_MEMORY_FE;

    result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_mem);
    if (result < 0) {
        pr_err("dvb_dmx_init failed (errno = %d)\n", result);
        goto err_remove_hw_frontend;
    }

    result = card->demux.dmx.connect_frontend(&card->demux.dmx, &card->fe_hw);
    if (result < 0) {
        pr_err("dvb_dmx_init failed (errno = %d)\n", result);
        goto err_remove_mem_frontend;
    }

    result = dvb_net_init(&card->dvb_adapter, &card->dvbnet, &card->demux.dmx);
    if (result < 0) {
        pr_err("dvb_net_init failed (errno = %d)\n", result);
        goto err_disconnect_frontend;
    }

    tasklet_init(&card->bt->tasklet, dvb_bt8xx_task, (unsigned long) card);

    frontend_init(card, type);

    return 0;

err_disconnect_frontend:
    card->demux.dmx.disconnect_frontend(&card->demux.dmx);
err_remove_mem_frontend:
    card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
err_remove_hw_frontend:
    card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
err_dmxdev_release:
    dvb_dmxdev_release(&card->dmxdev);
err_dmx_release:
    dvb_dmx_release(&card->demux);
err_unregister_adaptor:
    dvb_unregister_adapter(&card->dvb_adapter);
    return result;
}

static int __devinit dvb_bt8xx_probe(struct bttv_sub_device *sub)
{
    struct dvb_bt8xx_card *card;
    struct pci_dev* bttv_pci_dev;
    int ret;

    if (!(card = kzalloc(sizeof(struct dvb_bt8xx_card), GFP_KERNEL)))
        return -ENOMEM;

    mutex_init(&card->lock);
    card->bttv_nr = sub->core->nr;
    strlcpy(card->card_name, sub->core->v4l2_dev.name, sizeof(card->card_name));
    card->i2c_adapter = &sub->core->i2c_adap;

    switch(sub->core->type) {
    case BTTV_BOARD_PINNACLESAT:
        card->gpio_mode = 0x0400c060;
        /* should be: BT878_A_GAIN=0,BT878_A_PWRDN,BT878_DA_DPM,BT878_DA_SBR,
                  BT878_DA_IOM=1,BT878_DA_APP to enable serial highspeed mode. */
        card->op_sync_orin = BT878_RISC_SYNC_MASK;
        card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
        break;

    case BTTV_BOARD_DVICO_DVBT_LITE:
        card->gpio_mode = 0x0400C060;
        card->op_sync_orin = BT878_RISC_SYNC_MASK;
        card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
        /* 26, 15, 14, 6, 5
         * A_PWRDN  DA_DPM DA_SBR DA_IOM_DA
         * DA_APP(parallel) */
        break;

    case BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE:
        card->gpio_mode = 0x0400c060;
        card->op_sync_orin = BT878_RISC_SYNC_MASK;
        card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
        break;

    case BTTV_BOARD_NEBULA_DIGITV:
    case BTTV_BOARD_AVDVBT_761:
        card->gpio_mode = (1 << 26) | (1 << 14) | (1 << 5);
        card->op_sync_orin = BT878_RISC_SYNC_MASK;
        card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
        /* A_PWRDN DA_SBR DA_APP (high speed serial) */
        break;

    case BTTV_BOARD_AVDVBT_771: //case 0x07711461:
        card->gpio_mode = 0x0400402B;
        card->op_sync_orin = BT878_RISC_SYNC_MASK;
        card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
        /* A_PWRDN DA_SBR  DA_APP[0] PKTP=10 RISC_ENABLE FIFO_ENABLE*/
        break;

    case BTTV_BOARD_TWINHAN_DST:
        card->gpio_mode = 0x2204f2c;
        card->op_sync_orin = BT878_RISC_SYNC_MASK;
        card->irq_err_ignore = BT878_APABORT | BT878_ARIPERR |
                       BT878_APPERR | BT878_AFBUS;
        /* 25,21,14,11,10,9,8,3,2 then
         * 0x33 = 5,4,1,0
         * A_SEL=SML, DA_MLB, DA_SBR,
         * DA_SDR=f, fifo trigger = 32 DWORDS
         * IOM = 0 == audio A/D
         * DPM = 0 == digital audio mode
         * == async data parallel port
         * then 0x33 (13 is set by start_capture)
         * DA_APP = async data parallel port,
         * ACAP_EN = 1,
         * RISC+FIFO ENABLE */
        break;

    case BTTV_BOARD_PC_HDTV:
        card->gpio_mode = 0x0100EC7B;
        card->op_sync_orin = BT878_RISC_SYNC_MASK;
        card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
        break;

    default:
        pr_err("Unknown bttv card type: %d\n", sub->core->type);
        kfree(card);
        return -ENODEV;
    }

    dprintk("dvb_bt8xx: identified card%d as %s\n", card->bttv_nr, card->card_name);

    if (!(bttv_pci_dev = bttv_get_pcidev(card->bttv_nr))) {
        pr_err("no pci device for card %d\n", card->bttv_nr);
        kfree(card);
        return -ENODEV;
    }

    if (!(card->bt = dvb_bt8xx_878_match(card->bttv_nr, bttv_pci_dev))) {
        pr_err("unable to determine DMA core of card %d,\n", card->bttv_nr);
        pr_err("if you have the ALSA bt87x audio driver installed, try removing it.\n");

        kfree(card);
        return -ENODEV;
    }

    mutex_init(&card->bt->gpio_lock);
    card->bt->bttv_nr = sub->core->nr;

    if ( (ret = dvb_bt8xx_load_card(card, sub->core->type)) ) {
        kfree(card);
        return ret;
    }

    dev_set_drvdata(&sub->dev, card);
    return 0;
}

static void dvb_bt8xx_remove(struct bttv_sub_device *sub)
{
    struct dvb_bt8xx_card *card = dev_get_drvdata(&sub->dev);

    dprintk("dvb_bt8xx: unloading card%d\n", card->bttv_nr);

    bt878_stop(card->bt);
    tasklet_kill(&card->bt->tasklet);
    dvb_net_release(&card->dvbnet);
    card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
    card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
    dvb_dmxdev_release(&card->dmxdev);
    dvb_dmx_release(&card->demux);
    if (card->fe) {
        dvb_unregister_frontend(card->fe);
        dvb_frontend_detach(card->fe);
    }
    dvb_unregister_adapter(&card->dvb_adapter);

    kfree(card);
}

static struct bttv_sub_driver driver = {
    .drv = {
        .name       = "dvb-bt8xx",
    },
    .probe      = dvb_bt8xx_probe,
    .remove     = dvb_bt8xx_remove,
    /* FIXME:
     * .shutdown    = dvb_bt8xx_shutdown,
     * .suspend = dvb_bt8xx_suspend,
     * .resume  = dvb_bt8xx_resume,
     */
};

static int __init dvb_bt8xx_init(void)
{
    return bttv_sub_register(&driver, "dvb");
}

static void __exit dvb_bt8xx_exit(void)
{
    bttv_sub_unregister(&driver);
}

module_init(dvb_bt8xx_init);
module_exit(dvb_bt8xx_exit);

MODULE_DESCRIPTION("Bt8xx based DVB adapter driver");
MODULE_AUTHOR("Florian Schirmer <[email protected]>");
MODULE_LICENSE("GPL");