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dibusb-common.c

/* Common methods for dibusb-based-receivers.
 *
 * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de)
 *
 *    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,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,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,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+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 (dibusb_i2c_msg(d, msg[i].addr, msg[i].buf,msg[i].len,NULL,0) < 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->fe = dvb_attach(dib3000mc_attach, &adap->dev->i2c_adap, DEFAULT_DIB3000P_I2C_ADDRESS,  &mod3000p_dib3000p_config)) != NULL ||
            (adap->fe = dvb_attach(dib3000mc_attach, &adap->dev->i2c_adap, DEFAULT_DIB3000MC_I2C_ADDRESS, &mod3000p_dib3000p_config)) != 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, 1);
      if (dvb_attach(mt2060_attach, adap->fe, tun_i2c, &stk3000p_mt2060_config, if1) == NULL) {
            /* not found - use panasonic pll parameters */
            if (dvb_attach(dvb_pll_attach, adap->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, &stk3000p_dib3000p_config);
      }
      return 0;
}
EXPORT_SYMBOL(dibusb_dib3000mc_tuner_attach);
#endif

/*
 * common remote control stuff
 */
struct dvb_usb_rc_key dibusb_rc_keys[] = {
      /* Key codes for the little Artec T1/Twinhan/HAMA/ remote. */
      { 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. */
      /* additional keys TwinHan VisionPlus, the Artec seemingly not have */
      { 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 */
      /* Key codes for the KWorld/ADSTech/JetWay remote. */
      { 0x86, 0x12, KEY_POWER },
      { 0x86, 0x0f, KEY_SELECT }, /* source */
      { 0x86, 0x0c, KEY_UNKNOWN }, /* scan */
      { 0x86, 0x0b, KEY_EPG },
      { 0x86, 0x10, KEY_MUTE },
      { 0x86, 0x01, KEY_1 },
      { 0x86, 0x02, KEY_2 },
      { 0x86, 0x03, KEY_3 },
      { 0x86, 0x04, KEY_4 },
      { 0x86, 0x05, KEY_5 },
      { 0x86, 0x06, KEY_6 },
      { 0x86, 0x07, KEY_7 },
      { 0x86, 0x08, KEY_8 },
      { 0x86, 0x09, KEY_9 },
      { 0x86, 0x0a, KEY_0 },
      { 0x86, 0x18, KEY_ZOOM },
      { 0x86, 0x1c, KEY_UNKNOWN }, /* preview */
      { 0x86, 0x13, KEY_UNKNOWN }, /* snap */
      { 0x86, 0x00, KEY_UNDO },
      { 0x86, 0x1d, KEY_RECORD },
      { 0x86, 0x0d, KEY_STOP },
      { 0x86, 0x0e, KEY_PAUSE },
      { 0x86, 0x16, KEY_PLAY },
      { 0x86, 0x11, KEY_BACK },
      { 0x86, 0x19, KEY_FORWARD },
      { 0x86, 0x14, KEY_UNKNOWN }, /* pip */
      { 0x86, 0x15, KEY_ESC },
      { 0x86, 0x1a, KEY_UP },
      { 0x86, 0x1e, KEY_DOWN },
      { 0x86, 0x1f, KEY_LEFT },
      { 0x86, 0x1b, KEY_RIGHT },

      /* Key codes for the DiBcom MOD3000 remote. */
      { 0x80, 0x00, KEY_MUTE },
      { 0x80, 0x01, KEY_TEXT },
      { 0x80, 0x02, KEY_HOME },
      { 0x80, 0x03, KEY_POWER },

      { 0x80, 0x04, KEY_RED },
      { 0x80, 0x05, KEY_GREEN },
      { 0x80, 0x06, KEY_YELLOW },
      { 0x80, 0x07, KEY_BLUE },

      { 0x80, 0x08, KEY_DVD },
      { 0x80, 0x09, KEY_AUDIO },
      { 0x80, 0x0a, KEY_MEDIA },      /* Pictures */
      { 0x80, 0x0b, KEY_VIDEO },

      { 0x80, 0x0c, KEY_BACK },
      { 0x80, 0x0d, KEY_UP },
      { 0x80, 0x0e, KEY_RADIO },
      { 0x80, 0x0f, KEY_EPG },

      { 0x80, 0x10, KEY_LEFT },
      { 0x80, 0x11, KEY_OK },
      { 0x80, 0x12, KEY_RIGHT },
      { 0x80, 0x13, KEY_UNKNOWN },    /* SAP */

      { 0x80, 0x14, KEY_TV },
      { 0x80, 0x15, KEY_DOWN },
      { 0x80, 0x16, KEY_MENU },       /* DVD Menu */
      { 0x80, 0x17, KEY_LAST },

      { 0x80, 0x18, KEY_RECORD },
      { 0x80, 0x19, KEY_STOP },
      { 0x80, 0x1a, KEY_PAUSE },
      { 0x80, 0x1b, KEY_PLAY },

      { 0x80, 0x1c, KEY_PREVIOUS },
      { 0x80, 0x1d, KEY_REWIND },
      { 0x80, 0x1e, KEY_FASTFORWARD },
      { 0x80, 0x1f, KEY_NEXT},

      { 0x80, 0x40, KEY_1 },
      { 0x80, 0x41, KEY_2 },
      { 0x80, 0x42, KEY_3 },
      { 0x80, 0x43, KEY_CHANNELUP },

      { 0x80, 0x44, KEY_4 },
      { 0x80, 0x45, KEY_5 },
      { 0x80, 0x46, KEY_6 },
      { 0x80, 0x47, KEY_CHANNELDOWN },

      { 0x80, 0x48, KEY_7 },
      { 0x80, 0x49, KEY_8 },
      { 0x80, 0x4a, KEY_9 },
      { 0x80, 0x4b, KEY_VOLUMEUP },

      { 0x80, 0x4c, KEY_CLEAR },
      { 0x80, 0x4d, KEY_0 },
      { 0x80, 0x4e, KEY_ENTER },
      { 0x80, 0x4f, KEY_VOLUMEDOWN },
};
EXPORT_SYMBOL(dibusb_rc_keys);

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: %x %x %x %x %x\n",key[0],key[1],key[2],key[3],key[4]);
      return 0;
}
EXPORT_SYMBOL(dibusb_rc_query);

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