linux-imx

/* DVB USB framework compliant Linux driver for the Opera1 DVB-S Card

*

* Copyright (C) 2006 Mario Hlawitschka (dh1pa@amsat.org)

* Copyright (C) 2006 Marco Gittler (g.marco@freenet.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/media/dvb-drivers/dvb-usb.rst for more information

*/

​

#define DVB_USB_LOG_PREFIX "opera"

​

#include "dvb-usb.h"

#include "stv0299.h"

​

#define OPERA_READ_MSG 0

#define OPERA_WRITE_MSG 1

#define OPERA_I2C_TUNER 0xd1

​

#define READ_FX2_REG_REQ  0xba

#define READ_MAC_ADDR 0x08

#define OPERA_WRITE_FX2 0xbb

#define OPERA_TUNER_REQ 0xb1

#define REG_1F_SYMBOLRATE_BYTE0 0x1f

#define REG_20_SYMBOLRATE_BYTE1 0x20

#define REG_21_SYMBOLRATE_BYTE2 0x21

​

#define ADDR_B600_VOLTAGE_13V (0x02)

#define ADDR_B601_VOLTAGE_18V (0x03)

#define ADDR_B1A6_STREAM_CTRL (0x04)

#define ADDR_B880_READ_REMOTE (0x05)

​

struct opera1_state {

    u32 last_key_pressed;

};

struct rc_map_opera_table {

    u32 keycode;

    u32 event;

};

​

static int dvb_usb_opera1_debug;

module_param_named(debug, dvb_usb_opera1_debug, int, 0644);

MODULE_PARM_DESC(debug,

         "set debugging level (1=info,xfer=2,pll=4,ts=8,err=16,rc=32,fw=64 (or-able))."

         DVB_USB_DEBUG_STATUS);

​

DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);

​

​

static int opera1_xilinx_rw(struct usb_device *dev, u8 request, u16 value,

                u8 * data, u16 len, int flags)

{

    int ret;

    u8 tmp;

    u8 *buf;

    unsigned int pipe = (flags == OPERA_READ_MSG) ?

        usb_rcvctrlpipe(dev,0) : usb_sndctrlpipe(dev, 0);

    u8 request_type = (flags == OPERA_READ_MSG) ? USB_DIR_IN : USB_DIR_OUT;

​

    buf = kmalloc(len, GFP_KERNEL);

    if (!buf)

        return -ENOMEM;

​

    if (flags == OPERA_WRITE_MSG)

        memcpy(buf, data, len);

    ret = usb_control_msg(dev, pipe, request,

            request_type | USB_TYPE_VENDOR, value, 0x0,

            buf, len, 2000);

​

    if (request == OPERA_TUNER_REQ) {

        tmp = buf[0];

        if (usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),

                OPERA_TUNER_REQ, USB_DIR_IN | USB_TYPE_VENDOR,

                0x01, 0x0, buf, 1, 2000) < 1 || buf[0] != 0x08) {

            ret = 0;

            goto out;

        }

        buf[0] = tmp;

    }

    if (flags == OPERA_READ_MSG)

        memcpy(data, buf, len);

out:

    kfree(buf);

    return ret;

}

​

/* I2C */

​

static int opera1_usb_i2c_msgxfer(struct dvb_usb_device *dev, u16 addr,

                  u8 * buf, u16 len)