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vp7045.c

/* 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 (patrick.boettcher@desy.de)
 *
 * 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 */
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);

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 inbuf[12] = { 0 }, outbuf[20] = { 0 };

      outbuf[0] = cmd;

      if (outlen > 19)
            outlen = 19;

      if (inlen > 11)
            inlen = 11;

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

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

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

      if (usb_control_msg(d->udev,
                  usb_sndctrlpipe(d->udev,0),
                  TH_COMMAND_OUT, USB_TYPE_VENDOR | USB_DIR_OUT, 0, 0,
                  outbuf, 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,
                  inbuf, 12, 2000) != 12) {
            err("USB control message 'in' went wrong.");
            ret = -EIO;
            goto unlock;
      }

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

      if (in != NULL && inlen > 0)
            memcpy(in,&inbuf[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 dvb_usb_rc_key vp7045_rc_keys[] = {
      { 0x00, 0x16, KEY_POWER },
      { 0x00, 0x10, KEY_MUTE },
      { 0x00, 0x03, KEY_1 },
      { 0x00, 0x01, KEY_2 },
      { 0x00, 0x06, KEY_3 },
      { 0x00, 0x09, KEY_4 },
      { 0x00, 0x1d, KEY_5 },
      { 0x00, 0x1f, KEY_6 },
      { 0x00, 0x0d, KEY_7 },
      { 0x00, 0x19, KEY_8 },
      { 0x00, 0x1b, KEY_9 },
      { 0x00, 0x15, KEY_0 },
      { 0x00, 0x05, KEY_CHANNELUP },
      { 0x00, 0x02, KEY_CHANNELDOWN },
      { 0x00, 0x1e, KEY_VOLUMEUP },
      { 0x00, 0x0a, KEY_VOLUMEDOWN },
      { 0x00, 0x11, KEY_RECORD },
      { 0x00, 0x17, KEY_FAVORITES }, /* Heart symbol - Channel list. */
      { 0x00, 0x14, KEY_PLAY },
      { 0x00, 0x1a, KEY_STOP },
      { 0x00, 0x40, KEY_REWIND },
      { 0x00, 0x12, KEY_FASTFORWARD },
      { 0x00, 0x0e, KEY_PREVIOUS }, /* Recall - Previous channel. */
      { 0x00, 0x4c, KEY_PAUSE },
      { 0x00, 0x4d, KEY_SCREEN }, /* Full screen mode. */
      { 0x00, 0x54, KEY_AUDIO }, /* MTS - Switch to secondary audio. */
      { 0x00, 0x0c, KEY_CANCEL }, /* Cancel */
      { 0x00, 0x1c, KEY_EPG }, /* EPG */
      { 0x00, 0x00, KEY_TAB }, /* Tab */
      { 0x00, 0x48, KEY_INFO }, /* Preview */
      { 0x00, 0x04, KEY_LIST }, /* RecordList */
      { 0x00, 0x0f, KEY_TEXT }, /* Teletext */
      { 0x00, 0x41, KEY_PREVIOUSSONG },
      { 0x00, 0x42, KEY_NEXTSONG },
      { 0x00, 0x4b, KEY_UP },
      { 0x00, 0x51, KEY_DOWN },
      { 0x00, 0x4e, KEY_LEFT },
      { 0x00, 0x52, KEY_RIGHT },
      { 0x00, 0x4f, KEY_ENTER },
      { 0x00, 0x13, KEY_CANCEL },
      { 0x00, 0x4a, KEY_CLEAR },
      { 0x00, 0x54, KEY_PRINT }, /* Capture */
      { 0x00, 0x43, KEY_SUBTITLE }, /* Subtitle/CC */
      { 0x00, 0x08, KEY_VIDEO }, /* A/V */
      { 0x00, 0x07, KEY_SLEEP }, /* Hibernate */
      { 0x00, 0x45, KEY_ZOOM }, /* Zoom+ */
      { 0x00, 0x18, KEY_RED},
      { 0x00, 0x53, KEY_GREEN},
      { 0x00, 0x5e, KEY_YELLOW},
      { 0x00, 0x5f, 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(vp7045_rc_keys); i++)
            if (vp7045_rc_keys[i].data == key) {
                  *state = REMOTE_KEY_PRESSED;
                  *event = vp7045_rc_keys[i].event;
                  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 = 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);
}

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",

      .num_adapters = 1,
      .adapter = {
            {
                  .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_interval      = 400,
      .rc_key_map       = vp7045_rc_keys,
      .rc_key_map_size  = ARRAY_SIZE(vp7045_rc_keys),
      .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 stuff */
static int __init vp7045_usb_module_init(void)
{
      int result;
      if ((result = usb_register(&vp7045_usb_driver))) {
            err("usb_register failed. (%d)",result);
            return result;
      }

      return 0;
}

static void __exit vp7045_usb_module_exit(void)
{
      /* deregister this driver from the USB subsystem */
      usb_deregister(&vp7045_usb_driver);
}

module_init(vp7045_usb_module_init);
module_exit(vp7045_usb_module_exit);

MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
MODULE_DESCRIPTION("Driver for Twinhan MagicBox/Alpha and DNTV tinyUSB2 DVB-T USB2.0");
MODULE_VERSION("1.0");
MODULE_LICENSE("GPL");

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