dibusb-common.c

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/* Common methods for dibusb-based-receivers.
 *
 * Copyright (C) 2004-5 Patrick Boettcher ([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, version 2.
 *
 * see Documentation/dvb/README.dvb-usb for more information
 */
#include "dibusb.h"

static int debug;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "set debugging level (1=info (|-able))." DVB_USB_DEBUG_STATUS);
MODULE_LICENSE("GPL");

#define deb_info(args...) dprintk(debug,0x01,args)

/* common stuff used by the different dibusb modules */
int dibusb_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
{
    if (adap->priv != NULL) {
        struct dibusb_state *st = adap->priv;
        if (st->ops.fifo_ctrl != NULL)
            if (st->ops.fifo_ctrl(adap->fe_adap[0].fe, onoff)) {
                err("error while controlling the fifo of the demod.");
                return -ENODEV;
            }
    }
    return 0;
}
EXPORT_SYMBOL(dibusb_streaming_ctrl);

int dibusb_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, int onoff)
{
    if (adap->priv != NULL) {
        struct dibusb_state *st = adap->priv;
        if (st->ops.pid_ctrl != NULL)
            st->ops.pid_ctrl(adap->fe_adap[0].fe,
                     index, pid, onoff);
    }
    return 0;
}
EXPORT_SYMBOL(dibusb_pid_filter);

int dibusb_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
{
    if (adap->priv != NULL) {
        struct dibusb_state *st = adap->priv;
        if (st->ops.pid_parse != NULL)
            if (st->ops.pid_parse(adap->fe_adap[0].fe, onoff) < 0)
                err("could not handle pid_parser");
    }
    return 0;
}
EXPORT_SYMBOL(dibusb_pid_filter_ctrl);

int dibusb_power_ctrl(struct dvb_usb_device *d, int onoff)
{
    u8 b[3];
    int ret;
    b[0] = DIBUSB_REQ_SET_IOCTL;
    b[1] = DIBUSB_IOCTL_CMD_POWER_MODE;
    b[2] = onoff ? DIBUSB_IOCTL_POWER_WAKEUP : DIBUSB_IOCTL_POWER_SLEEP;
    ret = dvb_usb_generic_write(d,b,3);
    msleep(10);
    return ret;
}
EXPORT_SYMBOL(dibusb_power_ctrl);

int dibusb2_0_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
{
    u8 b[3] = { 0 };
    int ret;

    if ((ret = dibusb_streaming_ctrl(adap,onoff)) < 0)
        return ret;

    if (onoff) {
        b[0] = DIBUSB_REQ_SET_STREAMING_MODE;
        b[1] = 0x00;
        if ((ret = dvb_usb_generic_write(adap->dev,b,2)) < 0)
            return ret;
    }

    b[0] = DIBUSB_REQ_SET_IOCTL;
    b[1] = onoff ? DIBUSB_IOCTL_CMD_ENABLE_STREAM : DIBUSB_IOCTL_CMD_DISABLE_STREAM;
    return dvb_usb_generic_write(adap->dev,b,3);
}
EXPORT_SYMBOL(dibusb2_0_streaming_ctrl);

int dibusb2_0_power_ctrl(struct dvb_usb_device *d, int onoff)
{
    if (onoff) {
        u8 b[3] = { DIBUSB_REQ_SET_IOCTL, DIBUSB_IOCTL_CMD_POWER_MODE, DIBUSB_IOCTL_POWER_WAKEUP };
        return dvb_usb_generic_write(d,b,3);
    } else
        return 0;
}
EXPORT_SYMBOL(dibusb2_0_power_ctrl);

static int dibusb_i2c_msg(struct dvb_usb_device *d, u8 addr,
              u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
{
    u8 sndbuf[wlen+4]; /* lead(1) devaddr,direction(1) addr(2) data(wlen) (len(2) (when reading)) */
    /* write only ? */
    int wo = (rbuf == NULL || rlen == 0),
        len = 2 + wlen + (wo ? 0 : 2);

    sndbuf[0] = wo ? DIBUSB_REQ_I2C_WRITE : DIBUSB_REQ_I2C_READ;
    sndbuf[1] = (addr << 1) | (wo ? 0 : 1);

    memcpy(&sndbuf[2],wbuf,wlen);

    if (!wo) {
        sndbuf[wlen+2] = (rlen >> 8) & 0xff;
        sndbuf[wlen+3] = rlen & 0xff;
    }

    return dvb_usb_generic_rw(d,sndbuf,len,rbuf,rlen,0);
}

/*
 * I2C master xfer function
 */
static int dibusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
{
    struct dvb_usb_device *d = i2c_get_adapdata(adap);
    int i;

    if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
        return -EAGAIN;

    for (i = 0; i < num; i++) {
        /* write/read request */
        if (i+1 < num && (msg[i].flags & I2C_M_RD) == 0
                      && (msg[i+1].flags & I2C_M_RD)) {
            if (dibusb_i2c_msg(d, msg[i].addr, msg[i].buf,msg[i].len,
                        msg[i+1].buf,msg[i+1].len) < 0)
                break;
            i++;
        } else if ((msg[i].flags & I2C_M_RD) == 0) {
            if (dibusb_i2c_msg(d, msg[i].addr, msg[i].buf,msg[i].len,NULL,0) < 0)
                break;
        } else if (msg[i].addr != 0x50) {
            /* 0x50 is the address of the eeprom - we need to protect it
             * from dibusb's bad i2c implementation: reads without
             * writing the offset before are forbidden */
            if (dibusb_i2c_msg(d, msg[i].addr, NULL, 0, msg[i].buf, msg[i].len) < 0)
                break;
        }
    }

    mutex_unlock(&d->i2c_mutex);
    return i;
}

static u32 dibusb_i2c_func(struct i2c_adapter *adapter)
{
    return I2C_FUNC_I2C;
}

struct i2c_algorithm dibusb_i2c_algo = {
    .master_xfer   = dibusb_i2c_xfer,
    .functionality = dibusb_i2c_func,
};
EXPORT_SYMBOL(dibusb_i2c_algo);

int dibusb_read_eeprom_byte(struct dvb_usb_device *d, u8 offs, u8 *val)
{
    u8 wbuf[1] = { offs };
    return dibusb_i2c_msg(d, 0x50, wbuf, 1, val, 1);
}
EXPORT_SYMBOL(dibusb_read_eeprom_byte);

/* 3000MC/P stuff */
// Config Adjacent channels  Perf -cal22
static struct dibx000_agc_config dib3000p_mt2060_agc_config = {
    .band_caps = BAND_VHF | BAND_UHF,
    .setup     = (1 << 8) | (5 << 5) | (1 << 4) | (1 << 3) | (0 << 2) | (2 << 0),

    .agc1_max = 48497,
    .agc1_min = 23593,
    .agc2_max = 46531,
    .agc2_min = 24904,

    .agc1_pt1 = 0x65,
    .agc1_pt2 = 0x69,

    .agc1_slope1 = 0x51,
    .agc1_slope2 = 0x27,

    .agc2_pt1 = 0,
    .agc2_pt2 = 0x33,

    .agc2_slope1 = 0x35,
    .agc2_slope2 = 0x37,
};

static struct dib3000mc_config stk3000p_dib3000p_config = {
    &dib3000p_mt2060_agc_config,

    .max_time     = 0x196,
    .ln_adc_level = 0x1cc7,

    .output_mpeg2_in_188_bytes = 1,

    .agc_command1 = 1,
    .agc_command2 = 1,
};

static struct dibx000_agc_config dib3000p_panasonic_agc_config = {
    .band_caps = BAND_VHF | BAND_UHF,
    .setup     = (1 << 8) | (5 << 5) | (1 << 4) | (1 << 3) | (0 << 2) | (2 << 0),

    .agc1_max = 56361,
    .agc1_min = 22282,
    .agc2_max = 47841,
    .agc2_min = 36045,

    .agc1_pt1 = 0x3b,
    .agc1_pt2 = 0x6b,

    .agc1_slope1 = 0x55,
    .agc1_slope2 = 0x1d,

    .agc2_pt1 = 0,
    .agc2_pt2 = 0x0a,

    .agc2_slope1 = 0x95,
    .agc2_slope2 = 0x1e,
};

#if defined(CONFIG_DVB_DIB3000MC) ||                    \
    (defined(CONFIG_DVB_DIB3000MC_MODULE) && defined(MODULE))

static struct dib3000mc_config mod3000p_dib3000p_config = {
    &dib3000p_panasonic_agc_config,

    .max_time     = 0x51,
    .ln_adc_level = 0x1cc7,

    .output_mpeg2_in_188_bytes = 1,

    .agc_command1 = 1,
    .agc_command2 = 1,
};

int dibusb_dib3000mc_frontend_attach(struct dvb_usb_adapter *adap)
{
    if (adap->dev->udev->descriptor.idVendor  == USB_VID_LITEON &&
            adap->dev->udev->descriptor.idProduct ==
            USB_PID_LITEON_DVB_T_WARM) {
        msleep(1000);
    }

    adap->fe_adap[0].fe = dvb_attach(dib3000mc_attach,
                     &adap->dev->i2c_adap,
                     DEFAULT_DIB3000P_I2C_ADDRESS,
                     &mod3000p_dib3000p_config);
    if ((adap->fe_adap[0].fe) == NULL)
        adap->fe_adap[0].fe = dvb_attach(dib3000mc_attach,
                         &adap->dev->i2c_adap,
                         DEFAULT_DIB3000MC_I2C_ADDRESS,
                         &mod3000p_dib3000p_config);
    if ((adap->fe_adap[0].fe) != NULL) {
        if (adap->priv != NULL) {
            struct dibusb_state *st = adap->priv;
            st->ops.pid_parse = dib3000mc_pid_parse;
            st->ops.pid_ctrl  = dib3000mc_pid_control;
        }
        return 0;
    }
    return -ENODEV;
}
EXPORT_SYMBOL(dibusb_dib3000mc_frontend_attach);

static struct mt2060_config stk3000p_mt2060_config = {
    0x60
};

int dibusb_dib3000mc_tuner_attach(struct dvb_usb_adapter *adap)
{
    struct dibusb_state *st = adap->priv;
    u8 a,b;
    u16 if1 = 1220;
    struct i2c_adapter *tun_i2c;

    // First IF calibration for Liteon Sticks
    if (adap->dev->udev->descriptor.idVendor  == USB_VID_LITEON &&
        adap->dev->udev->descriptor.idProduct == USB_PID_LITEON_DVB_T_WARM) {

        dibusb_read_eeprom_byte(adap->dev,0x7E,&a);
        dibusb_read_eeprom_byte(adap->dev,0x7F,&b);

        if (a == 0x00)
            if1 += b;
        else if (a == 0x80)
            if1 -= b;
        else
            warn("LITE-ON DVB-T: Strange IF1 calibration :%2X %2X\n", a, b);

    } else if (adap->dev->udev->descriptor.idVendor  == USB_VID_DIBCOM &&
           adap->dev->udev->descriptor.idProduct == USB_PID_DIBCOM_MOD3001_WARM) {
        u8 desc;
        dibusb_read_eeprom_byte(adap->dev, 7, &desc);
        if (desc == 2) {
            a = 127;
            do {
                dibusb_read_eeprom_byte(adap->dev, a, &desc);
                a--;
            } while (a > 7 && (desc == 0xff || desc == 0x00));
            if (desc & 0x80)
                if1 -= (0xff - desc);
            else
                if1 += desc;
        }
    }

    tun_i2c = dib3000mc_get_tuner_i2c_master(adap->fe_adap[0].fe, 1);
    if (dvb_attach(mt2060_attach, adap->fe_adap[0].fe, tun_i2c, &stk3000p_mt2060_config, if1) == NULL) {
        /* not found - use panasonic pll parameters */
        if (dvb_attach(dvb_pll_attach, adap->fe_adap[0].fe, 0x60, tun_i2c, DVB_PLL_ENV57H1XD5) == NULL)
            return -ENOMEM;
    } else {
        st->mt2060_present = 1;
        /* set the correct parameters for the dib3000p */
        dib3000mc_set_config(adap->fe_adap[0].fe, &stk3000p_dib3000p_config);
    }
    return 0;
}
EXPORT_SYMBOL(dibusb_dib3000mc_tuner_attach);
#endif

/*
 * common remote control stuff
 */
struct rc_map_table rc_map_dibusb_table[] = {
    /* Key codes for the little Artec T1/Twinhan/HAMA/ remote. */
    { 0x0016, KEY_POWER },
    { 0x0010, KEY_MUTE },
    { 0x0003, KEY_1 },
    { 0x0001, KEY_2 },
    { 0x0006, KEY_3 },
    { 0x0009, KEY_4 },
    { 0x001d, KEY_5 },
    { 0x001f, KEY_6 },
    { 0x000d, KEY_7 },
    { 0x0019, KEY_8 },
    { 0x001b, KEY_9 },
    { 0x0015, KEY_0 },
    { 0x0005, KEY_CHANNELUP },
    { 0x0002, KEY_CHANNELDOWN },
    { 0x001e, KEY_VOLUMEUP },
    { 0x000a, KEY_VOLUMEDOWN },
    { 0x0011, KEY_RECORD },
    { 0x0017, KEY_FAVORITES }, /* Heart symbol - Channel list. */
    { 0x0014, KEY_PLAY },
    { 0x001a, KEY_STOP },
    { 0x0040, KEY_REWIND },
    { 0x0012, KEY_FASTFORWARD },
    { 0x000e, KEY_PREVIOUS }, /* Recall - Previous channel. */
    { 0x004c, KEY_PAUSE },
    { 0x004d, KEY_SCREEN }, /* Full screen mode. */
    { 0x0054, KEY_AUDIO }, /* MTS - Switch to secondary audio. */
    /* additional keys TwinHan VisionPlus, the Artec seemingly not have */
    { 0x000c, KEY_CANCEL }, /* Cancel */
    { 0x001c, KEY_EPG }, /* EPG */
    { 0x0000, KEY_TAB }, /* Tab */
    { 0x0048, KEY_INFO }, /* Preview */
    { 0x0004, KEY_LIST }, /* RecordList */
    { 0x000f, KEY_TEXT }, /* Teletext */
    /* Key codes for the KWorld/ADSTech/JetWay remote. */
    { 0x8612, KEY_POWER },
    { 0x860f, KEY_SELECT }, /* source */
    { 0x860c, KEY_UNKNOWN }, /* scan */
    { 0x860b, KEY_EPG },
    { 0x8610, KEY_MUTE },
    { 0x8601, KEY_1 },
    { 0x8602, KEY_2 },
    { 0x8603, KEY_3 },
    { 0x8604, KEY_4 },
    { 0x8605, KEY_5 },
    { 0x8606, KEY_6 },
    { 0x8607, KEY_7 },
    { 0x8608, KEY_8 },
    { 0x8609, KEY_9 },
    { 0x860a, KEY_0 },
    { 0x8618, KEY_ZOOM },
    { 0x861c, KEY_UNKNOWN }, /* preview */
    { 0x8613, KEY_UNKNOWN }, /* snap */
    { 0x8600, KEY_UNDO },
    { 0x861d, KEY_RECORD },
    { 0x860d, KEY_STOP },
    { 0x860e, KEY_PAUSE },
    { 0x8616, KEY_PLAY },
    { 0x8611, KEY_BACK },
    { 0x8619, KEY_FORWARD },
    { 0x8614, KEY_UNKNOWN }, /* pip */
    { 0x8615, KEY_ESC },
    { 0x861a, KEY_UP },
    { 0x861e, KEY_DOWN },
    { 0x861f, KEY_LEFT },
    { 0x861b, KEY_RIGHT },

    /* Key codes for the DiBcom MOD3000 remote. */
    { 0x8000, KEY_MUTE },
    { 0x8001, KEY_TEXT },
    { 0x8002, KEY_HOME },
    { 0x8003, KEY_POWER },

    { 0x8004, KEY_RED },
    { 0x8005, KEY_GREEN },
    { 0x8006, KEY_YELLOW },
    { 0x8007, KEY_BLUE },

    { 0x8008, KEY_DVD },
    { 0x8009, KEY_AUDIO },
    { 0x800a, KEY_IMAGES },      /* Pictures */
    { 0x800b, KEY_VIDEO },

    { 0x800c, KEY_BACK },
    { 0x800d, KEY_UP },
    { 0x800e, KEY_RADIO },
    { 0x800f, KEY_EPG },

    { 0x8010, KEY_LEFT },
    { 0x8011, KEY_OK },
    { 0x8012, KEY_RIGHT },
    { 0x8013, KEY_UNKNOWN },    /* SAP */

    { 0x8014, KEY_TV },
    { 0x8015, KEY_DOWN },
    { 0x8016, KEY_MENU },       /* DVD Menu */
    { 0x8017, KEY_LAST },

    { 0x8018, KEY_RECORD },
    { 0x8019, KEY_STOP },
    { 0x801a, KEY_PAUSE },
    { 0x801b, KEY_PLAY },

    { 0x801c, KEY_PREVIOUS },
    { 0x801d, KEY_REWIND },
    { 0x801e, KEY_FASTFORWARD },
    { 0x801f, KEY_NEXT},

    { 0x8040, KEY_1 },
    { 0x8041, KEY_2 },
    { 0x8042, KEY_3 },
    { 0x8043, KEY_CHANNELUP },

    { 0x8044, KEY_4 },
    { 0x8045, KEY_5 },
    { 0x8046, KEY_6 },
    { 0x8047, KEY_CHANNELDOWN },

    { 0x8048, KEY_7 },
    { 0x8049, KEY_8 },
    { 0x804a, KEY_9 },
    { 0x804b, KEY_VOLUMEUP },

    { 0x804c, KEY_CLEAR },
    { 0x804d, KEY_0 },
    { 0x804e, KEY_ENTER },
    { 0x804f, KEY_VOLUMEDOWN },
};
EXPORT_SYMBOL(rc_map_dibusb_table);

int dibusb_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
{
    u8 key[5],cmd = DIBUSB_REQ_POLL_REMOTE;
    dvb_usb_generic_rw(d,&cmd,1,key,5,0);
    dvb_usb_nec_rc_key_to_event(d,key,event,state);
    if (key[0] != 0)
        deb_info("key: %*ph\n", 5, key);
    return 0;
}
EXPORT_SYMBOL(dibusb_rc_query);