drivers/media/dvb/dvb-usb/friio.h

   1 /* DVB USB compliant Linux driver for the Friio USB2.0 ISDB-T receiver.
   2  *
   3  * Copyright (C) 2009 Akihiro Tsukada <tskd2@yahoo.co.jp>
   4  *
   5  * This module is based off the the gl861 and vp702x modules.
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the Free
   9  * Software Foundation, version 2.
  10  *
  11  * see Documentation/dvb/README.dvb-usb for more information
  12  */
  13 #ifndef _DVB_USB_FRIIO_H_
  14 #define _DVB_USB_FRIIO_H_
  15
  16 /**
  17  *      Friio Components
  18  *       USB hub:                                AU4254
  19  *         USB controller(+ TS dmx & streaming): GL861
  20  *         Frontend:                             comtech JDVBT-90502
  21  *             (tuner PLL:                       tua6034, I2C addr:(0xC0 >> 1))
  22  *             (OFDM demodulator:                TC90502, I2C addr:(0x30 >> 1))
  23  *         LED x3 (+LNB) controll:               PIC 16F676
  24  *         EEPROM:                               24C08
  25  *
  26  *        (USB smart card reader:                AU9522)
  27  *
  28  */
  29
  30 #define DVB_USB_LOG_PREFIX "friio"
  31 #include "dvb-usb.h"
  32
  33 extern int dvb_usb_friio_debug;
  34 #define deb_info(args...) dprintk(dvb_usb_friio_debug, 0x01, args)
  35 #define deb_xfer(args...) dprintk(dvb_usb_friio_debug, 0x02, args)
  36 #define deb_rc(args...)   dprintk(dvb_usb_friio_debug, 0x04, args)
  37 #define deb_fe(args...)   dprintk(dvb_usb_friio_debug, 0x08, args)
  38
  39 /* Vendor requests */
  40 #define GL861_WRITE             0x40
  41 #define GL861_READ              0xc0
  42
  43 /* command bytes */
  44 #define GL861_REQ_I2C_WRITE     0x01
  45 #define GL861_REQ_I2C_READ      0x02
  46 /* For control msg with data argument */
  47 /* Used for accessing the PLL on the secondary I2C bus of FE via GL861 */
  48 #define GL861_REQ_I2C_DATA_CTRL_WRITE   0x03
  49
  50 #define GL861_ALTSETTING_COUNT  2
  51 #define FRIIO_BULK_ALTSETTING   0
  52 #define FRIIO_ISOC_ALTSETTING   1
  53
  54 /* LED & LNB control via PIC. */
  55 /* basically, it's serial control with clock and strobe. */
  56 /* write the below 4bit control data to the reg 0x00 at the I2C addr 0x00 */
  57 /* when controlling the LEDs, 32bit(saturation, R, G, B) is sent on the bit3*/
  58 #define FRIIO_CTL_LNB (1 << 0)
  59 #define FRIIO_CTL_STROBE (1 << 1)
  60 #define FRIIO_CTL_CLK (1 << 2)
  61 #define FRIIO_CTL_LED (1 << 3)
  62
  63 /* Front End related */
  64
  65 #define FRIIO_DEMOD_ADDR  (0x30 >> 1)
  66 #define FRIIO_PLL_ADDR  (0xC0 >> 1)
  67
  68 #define JDVBT90502_PLL_CLK      4000000
  69 #define JDVBT90502_PLL_DIVIDER  28
  70
  71 #define JDVBT90502_2ND_I2C_REG 0xFE
  72
  73 /* byte index for pll i2c command data structure*/
  74 /* see datasheet for tua6034 */
  75 #define DEMOD_REDIRECT_REG 0
  76 #define ADDRESS_BYTE       1
  77 #define DIVIDER_BYTE1      2
  78 #define DIVIDER_BYTE2      3
  79 #define CONTROL_BYTE       4
  80 #define BANDSWITCH_BYTE    5
  81 #define AGC_CTRL_BYTE      5
  82 #define PLL_CMD_LEN        6
  83
  84 /* bit masks for PLL STATUS response */
  85 #define PLL_STATUS_POR_MODE   0x80 /* 1: Power on Reset (test) Mode */
  86 #define PLL_STATUS_LOCKED     0x40 /* 1: locked */
  87 #define PLL_STATUS_AGC_ACTIVE 0x08 /* 1:active */
  88 #define PLL_STATUS_TESTMODE   0x07 /* digital output level (5 level) */
  89   /* 0.15Vcc step   0x00: < 0.15Vcc, ..., 0x04: >= 0.6Vcc (<= 1Vcc) */
  90
  91
  92 struct jdvbt90502_config {
  93         u8 demod_address; /* i2c addr for demodulator IC */
  94         u8 pll_address;   /* PLL addr on the secondary i2c*/
  95 };
  96 extern struct jdvbt90502_config friio_fe_config;
  97
  98 extern struct dvb_frontend *jdvbt90502_attach(struct dvb_usb_device *d);
  99 #endif