vp7045.c

Go to the documentation of this file.

/* DVB USB compliant Linux driver for the
 *  - TwinhanDTV Alpha/MagicBoxII USB2.0 DVB-T receiver
 *  - DigitalNow TinyUSB2 DVB-t receiver
 *
 * Copyright (C) 2004-5 Patrick Boettcher ([email protected])
 *
 * Thanks to Twinhan who kindly provided hardware and information.
 *
 *  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 "vp7045.h"

/* debug */
static int dvb_usb_vp7045_debug;
module_param_named(debug,dvb_usb_vp7045_debug, int, 0644);
MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,rc=4 (or-able))." DVB_USB_DEBUG_STATUS);

DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);

#define deb_info(args...) dprintk(dvb_usb_vp7045_debug,0x01,args)
#define deb_xfer(args...) dprintk(dvb_usb_vp7045_debug,0x02,args)
#define deb_rc(args...)   dprintk(dvb_usb_vp7045_debug,0x04,args)

int vp7045_usb_op(struct dvb_usb_device *d, u8 cmd, u8 *out, int outlen, u8 *in, int inlen, int msec)
{
    int ret = 0;
    u8 *buf = d->priv;

    buf[0] = cmd;

    if (outlen > 19)
        outlen = 19;

    if (inlen > 11)
        inlen = 11;

    ret = mutex_lock_interruptible(&d->usb_mutex);
    if (ret)
        return ret;

    if (out != NULL && outlen > 0)
        memcpy(&buf[1], out, outlen);

    deb_xfer("out buffer: ");
    debug_dump(buf, outlen+1, deb_xfer);


    if (usb_control_msg(d->udev,
            usb_sndctrlpipe(d->udev,0),
            TH_COMMAND_OUT, USB_TYPE_VENDOR | USB_DIR_OUT, 0, 0,
            buf, 20, 2000) != 20) {
        err("USB control message 'out' went wrong.");
        ret = -EIO;
        goto unlock;
    }

    msleep(msec);

    if (usb_control_msg(d->udev,
            usb_rcvctrlpipe(d->udev,0),
            TH_COMMAND_IN, USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
            buf, 12, 2000) != 12) {
        err("USB control message 'in' went wrong.");
        ret = -EIO;
        goto unlock;
    }

    deb_xfer("in buffer: ");
    debug_dump(buf, 12, deb_xfer);

    if (in != NULL && inlen > 0)
        memcpy(in, &buf[1], inlen);

unlock:
    mutex_unlock(&d->usb_mutex);

    return ret;
}

u8 vp7045_read_reg(struct dvb_usb_device *d, u8 reg)
{
    u8 obuf[2] = { 0 },v;
    obuf[1] = reg;

    vp7045_usb_op(d,TUNER_REG_READ,obuf,2,&v,1,30);

    return v;
}

static int vp7045_power_ctrl(struct dvb_usb_device *d, int onoff)
{
    u8 v = onoff;
    return vp7045_usb_op(d,SET_TUNER_POWER,&v,1,NULL,0,150);
}

/* remote control stuff */

/* The keymapping struct. Somehow this should be loaded to the driver, but
 * currently it is hardcoded. */
static struct rc_map_table rc_map_vp7045_table[] = {
    { 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. */
    { 0x000c, KEY_CANCEL }, /* Cancel */
    { 0x001c, KEY_EPG }, /* EPG */
    { 0x0000, KEY_TAB }, /* Tab */
    { 0x0048, KEY_INFO }, /* Preview */
    { 0x0004, KEY_LIST }, /* RecordList */
    { 0x000f, KEY_TEXT }, /* Teletext */
    { 0x0041, KEY_PREVIOUSSONG },
    { 0x0042, KEY_NEXTSONG },
    { 0x004b, KEY_UP },
    { 0x0051, KEY_DOWN },
    { 0x004e, KEY_LEFT },
    { 0x0052, KEY_RIGHT },
    { 0x004f, KEY_ENTER },
    { 0x0013, KEY_CANCEL },
    { 0x004a, KEY_CLEAR },
    { 0x0054, KEY_PRINT }, /* Capture */
    { 0x0043, KEY_SUBTITLE }, /* Subtitle/CC */
    { 0x0008, KEY_VIDEO }, /* A/V */
    { 0x0007, KEY_SLEEP }, /* Hibernate */
    { 0x0045, KEY_ZOOM }, /* Zoom+ */
    { 0x0018, KEY_RED},
    { 0x0053, KEY_GREEN},
    { 0x005e, KEY_YELLOW},
    { 0x005f, KEY_BLUE}
};

static int vp7045_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
{
    u8 key;
    int i;
    vp7045_usb_op(d,RC_VAL_READ,NULL,0,&key,1,20);

    deb_rc("remote query key: %x %d\n",key,key);

    if (key == 0x44) {
        *state = REMOTE_NO_KEY_PRESSED;
        return 0;
    }

    for (i = 0; i < ARRAY_SIZE(rc_map_vp7045_table); i++)
        if (rc5_data(&rc_map_vp7045_table[i]) == key) {
            *state = REMOTE_KEY_PRESSED;
            *event = rc_map_vp7045_table[i].keycode;
            break;
        }
    return 0;
}

static int vp7045_read_eeprom(struct dvb_usb_device *d,u8 *buf, int len, int offset)
{
    int i = 0;
    u8 v,br[2];
    for (i=0; i < len; i++) {
        v = offset + i;
        vp7045_usb_op(d,GET_EE_VALUE,&v,1,br,2,5);
        buf[i] = br[1];
    }
    deb_info("VP7045 EEPROM read (offs: %d, len: %d) : ",offset, i);
    debug_dump(buf,i,deb_info);
    return 0;
}

static int vp7045_read_mac_addr(struct dvb_usb_device *d,u8 mac[6])
{
    return vp7045_read_eeprom(d,mac, 6, MAC_0_ADDR);
}

static int vp7045_frontend_attach(struct dvb_usb_adapter *adap)
{
    u8 buf[255] = { 0 };

    vp7045_usb_op(adap->dev,VENDOR_STRING_READ,NULL,0,buf,20,0);
    buf[10] = '\0';
    deb_info("firmware says: %s ",buf);

    vp7045_usb_op(adap->dev,PRODUCT_STRING_READ,NULL,0,buf,20,0);
    buf[10] = '\0';
    deb_info("%s ",buf);

    vp7045_usb_op(adap->dev,FW_VERSION_READ,NULL,0,buf,20,0);
    buf[10] = '\0';
    deb_info("v%s\n",buf);

/*  Dump the EEPROM */
/*  vp7045_read_eeprom(d,buf, 255, FX2_ID_ADDR); */

    adap->fe_adap[0].fe = vp7045_fe_attach(adap->dev);

    return 0;
}

static struct dvb_usb_device_properties vp7045_properties;

static int vp7045_usb_probe(struct usb_interface *intf,
        const struct usb_device_id *id)
{
    return dvb_usb_device_init(intf, &vp7045_properties,
                   THIS_MODULE, NULL, adapter_nr);
}

static struct usb_device_id vp7045_usb_table [] = {
        { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7045_COLD) },
        { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7045_WARM) },
        { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_DNTV_TINYUSB2_COLD) },
        { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_DNTV_TINYUSB2_WARM) },
        { 0 },
};
MODULE_DEVICE_TABLE(usb, vp7045_usb_table);

static struct dvb_usb_device_properties vp7045_properties = {
    .usb_ctrl = CYPRESS_FX2,
    .firmware = "dvb-usb-vp7045-01.fw",
    .size_of_priv = 20,

    .num_adapters = 1,
    .adapter = {
        {
        .num_frontends = 1,
        .fe = {{
            .frontend_attach  = vp7045_frontend_attach,
            /* parameter for the MPEG2-data transfer */
            .stream = {
                .type = USB_BULK,
                .count = 7,
                .endpoint = 0x02,
                .u = {
                    .bulk = {
                        .buffersize = 4096,
                    }
                }
            },
        }},
        }
    },
    .power_ctrl       = vp7045_power_ctrl,
    .read_mac_address = vp7045_read_mac_addr,

    .rc.legacy = {
        .rc_interval      = 400,
        .rc_map_table       = rc_map_vp7045_table,
        .rc_map_size  = ARRAY_SIZE(rc_map_vp7045_table),
        .rc_query         = vp7045_rc_query,
    },

    .num_device_descs = 2,
    .devices = {
        { .name = "Twinhan USB2.0 DVB-T receiver (TwinhanDTV Alpha/MagicBox II)",
          .cold_ids = { &vp7045_usb_table[0], NULL },
          .warm_ids = { &vp7045_usb_table[1], NULL },
        },
        { .name = "DigitalNow TinyUSB 2 DVB-t Receiver",
          .cold_ids = { &vp7045_usb_table[2], NULL },
          .warm_ids = { &vp7045_usb_table[3], NULL },
        },
        { NULL },
    }
};

/* usb specific object needed to register this driver with the usb subsystem */
static struct usb_driver vp7045_usb_driver = {
    .name       = "dvb_usb_vp7045",
    .probe      = vp7045_usb_probe,
    .disconnect = dvb_usb_device_exit,
    .id_table   = vp7045_usb_table,
};

module_usb_driver(vp7045_usb_driver);

MODULE_AUTHOR("Patrick Boettcher <[email protected]>");
MODULE_DESCRIPTION("Driver for Twinhan MagicBox/Alpha and DNTV tinyUSB2 DVB-T USB2.0");
MODULE_VERSION("1.0");
MODULE_LICENSE("GPL");