nova-t-usb2.c

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/* DVB USB framework compliant Linux driver for the Hauppauge WinTV-NOVA-T usb2
 * DVB-T receiver.
 *
 * Copyright (C) 2004-5 Patrick Boettcher ([email protected])
 *
 *  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=rc,2=eeprom (|-able))." DVB_USB_DEBUG_STATUS);

DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);

#define deb_rc(args...) dprintk(debug,0x01,args)
#define deb_ee(args...) dprintk(debug,0x02,args)

/* Hauppauge NOVA-T USB2 keys */
static struct rc_map_table rc_map_haupp_table[] = {
    { 0x1e00, KEY_0 },
    { 0x1e01, KEY_1 },
    { 0x1e02, KEY_2 },
    { 0x1e03, KEY_3 },
    { 0x1e04, KEY_4 },
    { 0x1e05, KEY_5 },
    { 0x1e06, KEY_6 },
    { 0x1e07, KEY_7 },
    { 0x1e08, KEY_8 },
    { 0x1e09, KEY_9 },
    { 0x1e0a, KEY_KPASTERISK },
    { 0x1e0b, KEY_RED },
    { 0x1e0c, KEY_RADIO },
    { 0x1e0d, KEY_MENU },
    { 0x1e0e, KEY_GRAVE }, /* # */
    { 0x1e0f, KEY_MUTE },
    { 0x1e10, KEY_VOLUMEUP },
    { 0x1e11, KEY_VOLUMEDOWN },
    { 0x1e12, KEY_CHANNEL },
    { 0x1e14, KEY_UP },
    { 0x1e15, KEY_DOWN },
    { 0x1e16, KEY_LEFT },
    { 0x1e17, KEY_RIGHT },
    { 0x1e18, KEY_VIDEO },
    { 0x1e19, KEY_AUDIO },
    { 0x1e1a, KEY_IMAGES },
    { 0x1e1b, KEY_EPG },
    { 0x1e1c, KEY_TV },
    { 0x1e1e, KEY_NEXT },
    { 0x1e1f, KEY_BACK },
    { 0x1e20, KEY_CHANNELUP },
    { 0x1e21, KEY_CHANNELDOWN },
    { 0x1e24, KEY_LAST }, /* Skip backwards */
    { 0x1e25, KEY_OK },
    { 0x1e29, KEY_BLUE},
    { 0x1e2e, KEY_GREEN },
    { 0x1e30, KEY_PAUSE },
    { 0x1e32, KEY_REWIND },
    { 0x1e34, KEY_FASTFORWARD },
    { 0x1e35, KEY_PLAY },
    { 0x1e36, KEY_STOP },
    { 0x1e37, KEY_RECORD },
    { 0x1e38, KEY_YELLOW },
    { 0x1e3b, KEY_GOTO },
    { 0x1e3d, KEY_POWER },
};

/* Firmware bug? sometimes, when a new key is pressed, the previous pressed key
 * is delivered. No workaround yet, maybe a new firmware.
 */
static int nova_t_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
{
    u8 key[5],cmd[2] = { DIBUSB_REQ_POLL_REMOTE, 0x35 }, data,toggle,custom;
    u16 raw;
    int i;
    struct dibusb_device_state *st = d->priv;

    dvb_usb_generic_rw(d,cmd,2,key,5,0);

    *state = REMOTE_NO_KEY_PRESSED;
    switch (key[0]) {
        case DIBUSB_RC_HAUPPAUGE_KEY_PRESSED:
            raw = ((key[1] << 8) | key[2]) >> 3;
            toggle = !!(raw & 0x800);
            data = raw & 0x3f;
            custom = (raw >> 6) & 0x1f;

            deb_rc("raw key code 0x%02x, 0x%02x, 0x%02x to c: %02x d: %02x toggle: %d\n",key[1],key[2],key[3],custom,data,toggle);

            for (i = 0; i < ARRAY_SIZE(rc_map_haupp_table); i++) {
                if (rc5_data(&rc_map_haupp_table[i]) == data &&
                    rc5_custom(&rc_map_haupp_table[i]) == custom) {

                    deb_rc("c: %x, d: %x\n", rc5_data(&rc_map_haupp_table[i]),
                                 rc5_custom(&rc_map_haupp_table[i]));

                    *event = rc_map_haupp_table[i].keycode;
                    *state = REMOTE_KEY_PRESSED;
                    if (st->old_toggle == toggle) {
                        if (st->last_repeat_count++ < 2)
                            *state = REMOTE_NO_KEY_PRESSED;
                    } else {
                        st->last_repeat_count = 0;
                        st->old_toggle = toggle;
                    }
                    break;
                }
            }

            break;
        case DIBUSB_RC_HAUPPAUGE_KEY_EMPTY:
        default:
            break;
    }

    return 0;
}

static int nova_t_read_mac_address (struct dvb_usb_device *d, u8 mac[6])
{
    int i;
    u8 b;

    mac[0] = 0x00;
    mac[1] = 0x0d;
    mac[2] = 0xfe;

    /* this is a complete guess, but works for my box */
    for (i = 136; i < 139; i++) {
        dibusb_read_eeprom_byte(d,i, &b);

        mac[5 - (i - 136)] = b;
    }

    return 0;
}

/* USB Driver stuff */
static struct dvb_usb_device_properties nova_t_properties;

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

/* do not change the order of the ID table */
static struct usb_device_id nova_t_table [] = {
/* 00 */    { USB_DEVICE(USB_VID_HAUPPAUGE,     USB_PID_WINTV_NOVA_T_USB2_COLD) },
/* 01 */    { USB_DEVICE(USB_VID_HAUPPAUGE,     USB_PID_WINTV_NOVA_T_USB2_WARM) },
            { }     /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, nova_t_table);

static struct dvb_usb_device_properties nova_t_properties = {
    .caps = DVB_USB_IS_AN_I2C_ADAPTER,

    .usb_ctrl = CYPRESS_FX2,
    .firmware = "dvb-usb-nova-t-usb2-02.fw",

    .num_adapters     = 1,
    .adapter          = {
        {
        .num_frontends = 1,
        .fe = {{
            .caps = DVB_USB_ADAP_HAS_PID_FILTER | DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
            .pid_filter_count = 32,

            .streaming_ctrl   = dibusb2_0_streaming_ctrl,
            .pid_filter       = dibusb_pid_filter,
            .pid_filter_ctrl  = dibusb_pid_filter_ctrl,
            .frontend_attach  = dibusb_dib3000mc_frontend_attach,
            .tuner_attach     = dibusb_dib3000mc_tuner_attach,

            /* parameter for the MPEG2-data transfer */
                    .stream = {
                        .type = USB_BULK,
                .count = 7,
                .endpoint = 0x06,
                .u = {
                    .bulk = {
                        .buffersize = 4096,
                    }
                }
            },
        }},
            .size_of_priv     = sizeof(struct dibusb_state),
        }
    },
    .size_of_priv     = sizeof(struct dibusb_device_state),

    .power_ctrl       = dibusb2_0_power_ctrl,
    .read_mac_address = nova_t_read_mac_address,

    .rc.legacy = {
        .rc_interval      = 100,
        .rc_map_table     = rc_map_haupp_table,
        .rc_map_size      = ARRAY_SIZE(rc_map_haupp_table),
        .rc_query         = nova_t_rc_query,
    },

    .i2c_algo         = &dibusb_i2c_algo,

    .generic_bulk_ctrl_endpoint = 0x01,

    .num_device_descs = 1,
    .devices = {
        {   "Hauppauge WinTV-NOVA-T usb2",
            { &nova_t_table[0], NULL },
            { &nova_t_table[1], NULL },
        },
        { NULL },
    }
};

static struct usb_driver nova_t_driver = {
    .name       = "dvb_usb_nova_t_usb2",
    .probe      = nova_t_probe,
    .disconnect = dvb_usb_device_exit,
    .id_table   = nova_t_table,
};

module_usb_driver(nova_t_driver);

MODULE_AUTHOR("Patrick Boettcher <[email protected]>");
MODULE_DESCRIPTION("Hauppauge WinTV-NOVA-T usb2");
MODULE_VERSION("1.0");
MODULE_LICENSE("GPL");