af9015.c

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/*
 * DVB USB Linux driver for Afatech AF9015 DVB-T USB2.0 receiver
 *
 * Copyright (C) 2007 Antti Palosaari <[email protected]>
 *
 * Thanks to Afatech who kindly provided 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; either version 2 of the License, or
 *    (at your option) any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with this program; if not, write to the Free Software
 *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

#include "af9015.h"

static int dvb_usb_af9015_remote;
module_param_named(remote, dvb_usb_af9015_remote, int, 0644);
MODULE_PARM_DESC(remote, "select remote");
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);

static int af9015_ctrl_msg(struct dvb_usb_device *d, struct req_t *req)
{
#define BUF_LEN 63
#define REQ_HDR_LEN 8 /* send header size */
#define ACK_HDR_LEN 2 /* rece header size */
    struct af9015_state *state = d_to_priv(d);
    int ret, wlen, rlen;
    u8 buf[BUF_LEN];
    u8 write = 1;

    buf[0] = req->cmd;
    buf[1] = state->seq++;
    buf[2] = req->i2c_addr;
    buf[3] = req->addr >> 8;
    buf[4] = req->addr & 0xff;
    buf[5] = req->mbox;
    buf[6] = req->addr_len;
    buf[7] = req->data_len;

    switch (req->cmd) {
    case GET_CONFIG:
    case READ_MEMORY:
    case RECONNECT_USB:
        write = 0;
        break;
    case READ_I2C:
        write = 0;
        buf[2] |= 0x01; /* set I2C direction */
    case WRITE_I2C:
        buf[0] = READ_WRITE_I2C;
        break;
    case WRITE_MEMORY:
        if (((req->addr & 0xff00) == 0xff00) ||
            ((req->addr & 0xff00) == 0xae00))
            buf[0] = WRITE_VIRTUAL_MEMORY;
    case WRITE_VIRTUAL_MEMORY:
    case COPY_FIRMWARE:
    case DOWNLOAD_FIRMWARE:
    case BOOT:
        break;
    default:
        dev_err(&d->udev->dev, "%s: unknown command=%d\n",
                KBUILD_MODNAME, req->cmd);
        ret = -EIO;
        goto error;
    }

    /* buffer overflow check */
    if ((write && (req->data_len > BUF_LEN - REQ_HDR_LEN)) ||
            (!write && (req->data_len > BUF_LEN - ACK_HDR_LEN))) {
        dev_err(&d->udev->dev, "%s: too much data; cmd=%d len=%d\n",
                KBUILD_MODNAME, req->cmd, req->data_len);
        ret = -EINVAL;
        goto error;
    }

    /* write receives seq + status = 2 bytes
       read receives seq + status + data = 2 + N bytes */
    wlen = REQ_HDR_LEN;
    rlen = ACK_HDR_LEN;
    if (write) {
        wlen += req->data_len;
        memcpy(&buf[REQ_HDR_LEN], req->data, req->data_len);
    } else {
        rlen += req->data_len;
    }

    /* no ack for these packets */
    if (req->cmd == DOWNLOAD_FIRMWARE || req->cmd == RECONNECT_USB)
        rlen = 0;

    ret = dvb_usbv2_generic_rw(d, buf, wlen, buf, rlen);
    if (ret)
        goto error;

    /* check status */
    if (rlen && buf[1]) {
        dev_err(&d->udev->dev, "%s: command failed=%d\n",
                KBUILD_MODNAME, buf[1]);
        ret = -EIO;
        goto error;
    }

    /* read request, copy returned data to return buf */
    if (!write)
        memcpy(req->data, &buf[ACK_HDR_LEN], req->data_len);
error:
    return ret;
}

static int af9015_write_regs(struct dvb_usb_device *d, u16 addr, u8 *val,
    u8 len)
{
    struct req_t req = {WRITE_MEMORY, AF9015_I2C_DEMOD, addr, 0, 0, len,
        val};
    return af9015_ctrl_msg(d, &req);
}

static int af9015_read_regs(struct dvb_usb_device *d, u16 addr, u8 *val, u8 len)
{
    struct req_t req = {READ_MEMORY, AF9015_I2C_DEMOD, addr, 0, 0, len,
        val};
    return af9015_ctrl_msg(d, &req);
}

static int af9015_write_reg(struct dvb_usb_device *d, u16 addr, u8 val)
{
    return af9015_write_regs(d, addr, &val, 1);
}

static int af9015_read_reg(struct dvb_usb_device *d, u16 addr, u8 *val)
{
    return af9015_read_regs(d, addr, val, 1);
}

static int af9015_write_reg_i2c(struct dvb_usb_device *d, u8 addr, u16 reg,
    u8 val)
{
    struct af9015_state *state = d_to_priv(d);
    struct req_t req = {WRITE_I2C, addr, reg, 1, 1, 1, &val};

    if (addr == state->af9013_config[0].i2c_addr ||
        addr == state->af9013_config[1].i2c_addr)
        req.addr_len = 3;

    return af9015_ctrl_msg(d, &req);
}

static int af9015_read_reg_i2c(struct dvb_usb_device *d, u8 addr, u16 reg,
    u8 *val)
{
    struct af9015_state *state = d_to_priv(d);
    struct req_t req = {READ_I2C, addr, reg, 0, 1, 1, val};

    if (addr == state->af9013_config[0].i2c_addr ||
        addr == state->af9013_config[1].i2c_addr)
        req.addr_len = 3;

    return af9015_ctrl_msg(d, &req);
}

static int af9015_do_reg_bit(struct dvb_usb_device *d, u16 addr, u8 bit, u8 op)
{
    int ret;
    u8 val, mask = 0x01;

    ret = af9015_read_reg(d, addr, &val);
    if (ret)
        return ret;

    mask <<= bit;
    if (op) {
        /* set bit */
        val |= mask;
    } else {
        /* clear bit */
        mask ^= 0xff;
        val &= mask;
    }

    return af9015_write_reg(d, addr, val);
}

static int af9015_set_reg_bit(struct dvb_usb_device *d, u16 addr, u8 bit)
{
    return af9015_do_reg_bit(d, addr, bit, 1);
}

static int af9015_clear_reg_bit(struct dvb_usb_device *d, u16 addr, u8 bit)
{
    return af9015_do_reg_bit(d, addr, bit, 0);
}

static int af9015_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
    int num)
{
    struct dvb_usb_device *d = i2c_get_adapdata(adap);
    struct af9015_state *state = d_to_priv(d);
    int ret = 0, i = 0;
    u16 addr;
    u8 uninitialized_var(mbox), addr_len;
    struct req_t req;

/*
The bus lock is needed because there is two tuners both using same I2C-address.
Due to that the only way to select correct tuner is use demodulator I2C-gate.

................................................
. AF9015 includes integrated AF9013 demodulator.
. ____________                   ____________  .                ____________
.|     uC     |                 |   demod    | .               |    tuner   |
.|------------|                 |------------| .               |------------|
.|   AF9015   |                 |  AF9013/5  | .               |   MXL5003  |
.|            |--+----I2C-------|-----/ -----|-.-----I2C-------|            |
.|            |  |              | addr 0x38  | .               |  addr 0xc6 |
.|____________|  |              |____________| .               |____________|
.................|..............................
         |               ____________                   ____________
         |              |   demod    |                 |    tuner   |
         |              |------------|                 |------------|
         |              |   AF9013   |                 |   MXL5003  |
         +----I2C-------|-----/ -----|-------I2C-------|            |
                | addr 0x3a  |                 |  addr 0xc6 |
                |____________|                 |____________|
*/
    if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
        return -EAGAIN;

    while (i < num) {
        if (msg[i].addr == state->af9013_config[0].i2c_addr ||
            msg[i].addr == state->af9013_config[1].i2c_addr) {
            addr = msg[i].buf[0] << 8;
            addr += msg[i].buf[1];
            mbox = msg[i].buf[2];
            addr_len = 3;
        } else {
            addr = msg[i].buf[0];
            addr_len = 1;
            /* mbox is don't care in that case */
        }

        if (num > i + 1 && (msg[i+1].flags & I2C_M_RD)) {
            if (msg[i].len > 3 || msg[i+1].len > 61) {
                ret = -EOPNOTSUPP;
                goto error;
            }
            if (msg[i].addr == state->af9013_config[0].i2c_addr)
                req.cmd = READ_MEMORY;
            else
                req.cmd = READ_I2C;
            req.i2c_addr = msg[i].addr;
            req.addr = addr;
            req.mbox = mbox;
            req.addr_len = addr_len;
            req.data_len = msg[i+1].len;
            req.data = &msg[i+1].buf[0];
            ret = af9015_ctrl_msg(d, &req);
            i += 2;
        } else if (msg[i].flags & I2C_M_RD) {
            if (msg[i].len > 61) {
                ret = -EOPNOTSUPP;
                goto error;
            }
            if (msg[i].addr == state->af9013_config[0].i2c_addr) {
                ret = -EINVAL;
                goto error;
            }
            req.cmd = READ_I2C;
            req.i2c_addr = msg[i].addr;
            req.addr = addr;
            req.mbox = mbox;
            req.addr_len = addr_len;
            req.data_len = msg[i].len;
            req.data = &msg[i].buf[0];
            ret = af9015_ctrl_msg(d, &req);
            i += 1;
        } else {
            if (msg[i].len > 21) {
                ret = -EOPNOTSUPP;
                goto error;
            }
            if (msg[i].addr == state->af9013_config[0].i2c_addr)
                req.cmd = WRITE_MEMORY;
            else
                req.cmd = WRITE_I2C;
            req.i2c_addr = msg[i].addr;
            req.addr = addr;
            req.mbox = mbox;
            req.addr_len = addr_len;
            req.data_len = msg[i].len-addr_len;
            req.data = &msg[i].buf[addr_len];
            ret = af9015_ctrl_msg(d, &req);
            i += 1;
        }
        if (ret)
            goto error;

    }
    ret = i;

error:
    mutex_unlock(&d->i2c_mutex);

    return ret;
}

static u32 af9015_i2c_func(struct i2c_adapter *adapter)
{
    return I2C_FUNC_I2C;
}

static struct i2c_algorithm af9015_i2c_algo = {
    .master_xfer = af9015_i2c_xfer,
    .functionality = af9015_i2c_func,
};

static int af9015_identify_state(struct dvb_usb_device *d, const char **name)
{
    int ret;
    u8 reply;
    struct req_t req = {GET_CONFIG, 0, 0, 0, 0, 1, &reply};

    ret = af9015_ctrl_msg(d, &req);
    if (ret)
        return ret;

    dev_dbg(&d->udev->dev, "%s: reply=%02x\n", __func__, reply);

    if (reply == 0x02)
        ret = WARM;
    else
        ret = COLD;

    return ret;
}

static int af9015_download_firmware(struct dvb_usb_device *d,
    const struct firmware *fw)
{
    struct af9015_state *state = d_to_priv(d);
    int i, len, remaining, ret;
    struct req_t req = {DOWNLOAD_FIRMWARE, 0, 0, 0, 0, 0, NULL};
    u16 checksum = 0;
    dev_dbg(&d->udev->dev, "%s:\n", __func__);

    /* calc checksum */
    for (i = 0; i < fw->size; i++)
        checksum += fw->data[i];

    state->firmware_size = fw->size;
    state->firmware_checksum = checksum;

    #define FW_ADDR 0x5100 /* firmware start address */
    #define LEN_MAX 55 /* max packet size */
    for (remaining = fw->size; remaining > 0; remaining -= LEN_MAX) {
        len = remaining;
        if (len > LEN_MAX)
            len = LEN_MAX;

        req.data_len = len;
        req.data = (u8 *) &fw->data[fw->size - remaining];
        req.addr = FW_ADDR + fw->size - remaining;

        ret = af9015_ctrl_msg(d, &req);
        if (ret) {
            dev_err(&d->udev->dev,
                    "%s: firmware download failed=%d\n",
                    KBUILD_MODNAME, ret);
            goto error;
        }
    }

    /* firmware loaded, request boot */
    req.cmd = BOOT;
    req.data_len = 0;
    ret = af9015_ctrl_msg(d, &req);
    if (ret) {
        dev_err(&d->udev->dev, "%s: firmware boot failed=%d\n",
                KBUILD_MODNAME, ret);
        goto error;
    }

error:
    return ret;
}

/* hash (and dump) eeprom */
static int af9015_eeprom_hash(struct dvb_usb_device *d)
{
    struct af9015_state *state = d_to_priv(d);
    int ret, i;
    static const unsigned int AF9015_EEPROM_SIZE = 256;
    u8 buf[AF9015_EEPROM_SIZE];
    struct req_t req = {READ_I2C, AF9015_I2C_EEPROM, 0, 0, 1, 1, NULL};

    /* read eeprom */
    for (i = 0; i < AF9015_EEPROM_SIZE; i++) {
        req.addr = i;
        req.data = &buf[i];
        ret = af9015_ctrl_msg(d, &req);
        if (ret < 0)
            goto err;
    }

    /* calculate checksum */
    for (i = 0; i < AF9015_EEPROM_SIZE / sizeof(u32); i++) {
        state->eeprom_sum *= GOLDEN_RATIO_PRIME_32;
        state->eeprom_sum += le32_to_cpu(((u32 *)buf)[i]);
    }

    for (i = 0; i < AF9015_EEPROM_SIZE; i += 16)
        dev_dbg(&d->udev->dev, "%s: %*ph\n", __func__, 16, buf + i);

    dev_dbg(&d->udev->dev, "%s: eeprom sum=%.8x\n",
            __func__, state->eeprom_sum);
    return 0;
err:
    dev_err(&d->udev->dev, "%s: eeprom failed=%d\n", KBUILD_MODNAME, ret);
    return ret;
}

static int af9015_read_config(struct dvb_usb_device *d)
{
    struct af9015_state *state = d_to_priv(d);
    int ret;
    u8 val, i, offset = 0;
    struct req_t req = {READ_I2C, AF9015_I2C_EEPROM, 0, 0, 1, 1, &val};

    dev_dbg(&d->udev->dev, "%s:\n", __func__);

    /* IR remote controller */
    req.addr = AF9015_EEPROM_IR_MODE;
    /* first message will timeout often due to possible hw bug */
    for (i = 0; i < 4; i++) {
        ret = af9015_ctrl_msg(d, &req);
        if (!ret)
            break;
    }
    if (ret)
        goto error;

    ret = af9015_eeprom_hash(d);
    if (ret)
        goto error;

    state->ir_mode = val;
    dev_dbg(&d->udev->dev, "%s: IR mode=%d\n", __func__, val);

    /* TS mode - one or two receivers */
    req.addr = AF9015_EEPROM_TS_MODE;
    ret = af9015_ctrl_msg(d, &req);
    if (ret)
        goto error;

    state->dual_mode = val;
    dev_dbg(&d->udev->dev, "%s: TS mode=%d\n", __func__, state->dual_mode);

    /* disable 2nd adapter because we don't have PID-filters */
    if (d->udev->speed == USB_SPEED_FULL)
        state->dual_mode = 0;

    if (state->dual_mode) {
        /* read 2nd demodulator I2C address */
        req.addr = AF9015_EEPROM_DEMOD2_I2C;
        ret = af9015_ctrl_msg(d, &req);
        if (ret)
            goto error;

        state->af9013_config[1].i2c_addr = val;
    }

    for (i = 0; i < state->dual_mode + 1; i++) {
        if (i == 1)
            offset = AF9015_EEPROM_OFFSET;
        /* xtal */
        req.addr = AF9015_EEPROM_XTAL_TYPE1 + offset;
        ret = af9015_ctrl_msg(d, &req);
        if (ret)
            goto error;
        switch (val) {
        case 0:
            state->af9013_config[i].clock = 28800000;
            break;
        case 1:
            state->af9013_config[i].clock = 20480000;
            break;
        case 2:
            state->af9013_config[i].clock = 28000000;
            break;
        case 3:
            state->af9013_config[i].clock = 25000000;
            break;
        }
        dev_dbg(&d->udev->dev, "%s: [%d] xtal=%d set clock=%d\n",
                __func__, i, val,
                state->af9013_config[i].clock);

        /* IF frequency */
        req.addr = AF9015_EEPROM_IF1H + offset;
        ret = af9015_ctrl_msg(d, &req);
        if (ret)
            goto error;

        state->af9013_config[i].if_frequency = val << 8;

        req.addr = AF9015_EEPROM_IF1L + offset;
        ret = af9015_ctrl_msg(d, &req);
        if (ret)
            goto error;

        state->af9013_config[i].if_frequency += val;
        state->af9013_config[i].if_frequency *= 1000;
        dev_dbg(&d->udev->dev, "%s: [%d] IF frequency=%d\n", __func__,
                i, state->af9013_config[i].if_frequency);

        /* MT2060 IF1 */
        req.addr = AF9015_EEPROM_MT2060_IF1H  + offset;
        ret = af9015_ctrl_msg(d, &req);
        if (ret)
            goto error;
        state->mt2060_if1[i] = val << 8;
        req.addr = AF9015_EEPROM_MT2060_IF1L + offset;
        ret = af9015_ctrl_msg(d, &req);
        if (ret)
            goto error;
        state->mt2060_if1[i] += val;
        dev_dbg(&d->udev->dev, "%s: [%d] MT2060 IF1=%d\n", __func__, i,
                state->mt2060_if1[i]);

        /* tuner */
        req.addr =  AF9015_EEPROM_TUNER_ID1 + offset;
        ret = af9015_ctrl_msg(d, &req);
        if (ret)
            goto error;
        switch (val) {
        case AF9013_TUNER_ENV77H11D5:
        case AF9013_TUNER_MT2060:
        case AF9013_TUNER_QT1010:
        case AF9013_TUNER_UNKNOWN:
        case AF9013_TUNER_MT2060_2:
        case AF9013_TUNER_TDA18271:
        case AF9013_TUNER_QT1010A:
        case AF9013_TUNER_TDA18218:
            state->af9013_config[i].spec_inv = 1;
            break;
        case AF9013_TUNER_MXL5003D:
        case AF9013_TUNER_MXL5005D:
        case AF9013_TUNER_MXL5005R:
        case AF9013_TUNER_MXL5007T:
            state->af9013_config[i].spec_inv = 0;
            break;
        case AF9013_TUNER_MC44S803:
            state->af9013_config[i].gpio[1] = AF9013_GPIO_LO;
            state->af9013_config[i].spec_inv = 1;
            break;
        default:
            dev_err(&d->udev->dev, "%s: tuner id=%d not " \
                    "supported, please report!\n",
                    KBUILD_MODNAME, val);
            return -ENODEV;
        }

        state->af9013_config[i].tuner = val;
        dev_dbg(&d->udev->dev, "%s: [%d] tuner id=%d\n",
                __func__, i, val);
    }

error:
    if (ret)
        dev_err(&d->udev->dev, "%s: eeprom read failed=%d\n",
                KBUILD_MODNAME, ret);

    /* AverMedia AVerTV Volar Black HD (A850) device have bad EEPROM
       content :-( Override some wrong values here. Ditto for the
       AVerTV Red HD+ (A850T) device. */
    if (le16_to_cpu(d->udev->descriptor.idVendor) == USB_VID_AVERMEDIA &&
        ((le16_to_cpu(d->udev->descriptor.idProduct) ==
            USB_PID_AVERMEDIA_A850) ||
        (le16_to_cpu(d->udev->descriptor.idProduct) ==
            USB_PID_AVERMEDIA_A850T))) {
        dev_dbg(&d->udev->dev,
                "%s: AverMedia A850: overriding config\n",
                __func__);
        /* disable dual mode */
        state->dual_mode = 0;

        /* set correct IF */
        state->af9013_config[0].if_frequency = 4570000;
    }

    return ret;
}

static int af9015_get_stream_config(struct dvb_frontend *fe, u8 *ts_type,
        struct usb_data_stream_properties *stream)
{
    struct dvb_usb_device *d = fe_to_d(fe);
    dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, fe_to_adap(fe)->id);

    if (d->udev->speed == USB_SPEED_FULL)
        stream->u.bulk.buffersize = TS_USB11_FRAME_SIZE;

    return 0;
}

static int af9015_get_adapter_count(struct dvb_usb_device *d)
{
    struct af9015_state *state = d_to_priv(d);
    return state->dual_mode + 1;
}

/* override demod callbacks for resource locking */
static int af9015_af9013_set_frontend(struct dvb_frontend *fe)
{
    int ret;
    struct af9015_state *state = fe_to_priv(fe);

    if (mutex_lock_interruptible(&state->fe_mutex))
        return -EAGAIN;

    ret = state->set_frontend[fe_to_adap(fe)->id](fe);

    mutex_unlock(&state->fe_mutex);

    return ret;
}

/* override demod callbacks for resource locking */
static int af9015_af9013_read_status(struct dvb_frontend *fe,
    fe_status_t *status)
{
    int ret;
    struct af9015_state *state = fe_to_priv(fe);

    if (mutex_lock_interruptible(&state->fe_mutex))
        return -EAGAIN;

    ret = state->read_status[fe_to_adap(fe)->id](fe, status);

    mutex_unlock(&state->fe_mutex);

    return ret;
}

/* override demod callbacks for resource locking */
static int af9015_af9013_init(struct dvb_frontend *fe)
{
    int ret;
    struct af9015_state *state = fe_to_priv(fe);

    if (mutex_lock_interruptible(&state->fe_mutex))
        return -EAGAIN;

    ret = state->init[fe_to_adap(fe)->id](fe);

    mutex_unlock(&state->fe_mutex);

    return ret;
}

/* override demod callbacks for resource locking */
static int af9015_af9013_sleep(struct dvb_frontend *fe)
{
    int ret;
    struct af9015_state *state = fe_to_priv(fe);

    if (mutex_lock_interruptible(&state->fe_mutex))
        return -EAGAIN;

    ret = state->sleep[fe_to_adap(fe)->id](fe);

    mutex_unlock(&state->fe_mutex);

    return ret;
}

/* override tuner callbacks for resource locking */
static int af9015_tuner_init(struct dvb_frontend *fe)
{
    int ret;
    struct af9015_state *state = fe_to_priv(fe);

    if (mutex_lock_interruptible(&state->fe_mutex))
        return -EAGAIN;

    ret = state->tuner_init[fe_to_adap(fe)->id](fe);

    mutex_unlock(&state->fe_mutex);

    return ret;
}

/* override tuner callbacks for resource locking */
static int af9015_tuner_sleep(struct dvb_frontend *fe)
{
    int ret;
    struct af9015_state *state = fe_to_priv(fe);

    if (mutex_lock_interruptible(&state->fe_mutex))
        return -EAGAIN;

    ret = state->tuner_sleep[fe_to_adap(fe)->id](fe);

    mutex_unlock(&state->fe_mutex);

    return ret;
}

static int af9015_copy_firmware(struct dvb_usb_device *d)
{
    struct af9015_state *state = d_to_priv(d);
    int ret;
    u8 fw_params[4];
    u8 val, i;
    struct req_t req = {COPY_FIRMWARE, 0, 0x5100, 0, 0, sizeof(fw_params),
        fw_params };
    dev_dbg(&d->udev->dev, "%s:\n", __func__);

    fw_params[0] = state->firmware_size >> 8;
    fw_params[1] = state->firmware_size & 0xff;
    fw_params[2] = state->firmware_checksum >> 8;
    fw_params[3] = state->firmware_checksum & 0xff;

    /* wait 2nd demodulator ready */
    msleep(100);

    ret = af9015_read_reg_i2c(d, state->af9013_config[1].i2c_addr,
            0x98be, &val);
    if (ret)
        goto error;
    else
        dev_dbg(&d->udev->dev, "%s: firmware status=%02x\n",
                __func__, val);

    if (val == 0x0c) /* fw is running, no need for download */
        goto exit;

    /* set I2C master clock to fast (to speed up firmware copy) */
    ret = af9015_write_reg(d, 0xd416, 0x04); /* 0x04 * 400ns */
    if (ret)
        goto error;

    msleep(50);

    /* copy firmware */
    ret = af9015_ctrl_msg(d, &req);
    if (ret)
        dev_err(&d->udev->dev, "%s: firmware copy cmd failed=%d\n",
                KBUILD_MODNAME, ret);

    dev_dbg(&d->udev->dev, "%s: firmware copy done\n", __func__);

    /* set I2C master clock back to normal */
    ret = af9015_write_reg(d, 0xd416, 0x14); /* 0x14 * 400ns */
    if (ret)
        goto error;

    /* request boot firmware */
    ret = af9015_write_reg_i2c(d, state->af9013_config[1].i2c_addr,
            0xe205, 1);
    dev_dbg(&d->udev->dev, "%s: firmware boot cmd status=%d\n",
            __func__, ret);
    if (ret)
        goto error;

    for (i = 0; i < 15; i++) {
        msleep(100);

        /* check firmware status */
        ret = af9015_read_reg_i2c(d, state->af9013_config[1].i2c_addr,
                0x98be, &val);
        dev_dbg(&d->udev->dev, "%s: firmware status cmd status=%d " \
                "firmware status=%02x\n", __func__, ret, val);
        if (ret)
            goto error;

        if (val == 0x0c || val == 0x04) /* success or fail */
            break;
    }

    if (val == 0x04) {
        dev_err(&d->udev->dev, "%s: firmware did not run\n",
                KBUILD_MODNAME);
        ret = -ETIMEDOUT;
    } else if (val != 0x0c) {
        dev_err(&d->udev->dev, "%s: firmware boot timeout\n",
                KBUILD_MODNAME);
        ret = -ETIMEDOUT;
    }

error:
exit:
    return ret;
}

static int af9015_af9013_frontend_attach(struct dvb_usb_adapter *adap)
{
    int ret;
    struct af9015_state *state = adap_to_priv(adap);

    if (adap->id == 0) {
        state->af9013_config[0].ts_mode = AF9013_TS_USB;
        memcpy(state->af9013_config[0].api_version, "\x0\x1\x9\x0", 4);
        state->af9013_config[0].gpio[0] = AF9013_GPIO_HI;
        state->af9013_config[0].gpio[3] = AF9013_GPIO_TUNER_ON;
    } else if (adap->id == 1) {
        state->af9013_config[1].ts_mode = AF9013_TS_SERIAL;
        memcpy(state->af9013_config[1].api_version, "\x0\x1\x9\x0", 4);
        state->af9013_config[1].gpio[0] = AF9013_GPIO_TUNER_ON;
        state->af9013_config[1].gpio[1] = AF9013_GPIO_LO;

        /* copy firmware to 2nd demodulator */
        if (state->dual_mode) {
            ret = af9015_copy_firmware(adap_to_d(adap));
            if (ret) {
                dev_err(&adap_to_d(adap)->udev->dev,
                        "%s: firmware copy to 2nd " \
                        "frontend failed, will " \
                        "disable it\n", KBUILD_MODNAME);
                state->dual_mode = 0;
                return -ENODEV;
            }
        } else {
            return -ENODEV;
        }
    }

    /* attach demodulator */
    adap->fe[0] = dvb_attach(af9013_attach,
        &state->af9013_config[adap->id], &adap_to_d(adap)->i2c_adap);

    /*
     * AF9015 firmware does not like if it gets interrupted by I2C adapter
     * request on some critical phases. During normal operation I2C adapter
     * is used only 2nd demodulator and tuner on dual tuner devices.
     * Override demodulator callbacks and use mutex for limit access to
     * those "critical" paths to keep AF9015 happy.
     */
    if (adap->fe[0]) {
        state->set_frontend[adap->id] =
            adap->fe[0]->ops.set_frontend;
        adap->fe[0]->ops.set_frontend =
            af9015_af9013_set_frontend;

        state->read_status[adap->id] =
            adap->fe[0]->ops.read_status;
        adap->fe[0]->ops.read_status =
            af9015_af9013_read_status;

        state->init[adap->id] = adap->fe[0]->ops.init;
        adap->fe[0]->ops.init = af9015_af9013_init;

        state->sleep[adap->id] = adap->fe[0]->ops.sleep;
        adap->fe[0]->ops.sleep = af9015_af9013_sleep;
    }

    return adap->fe[0] == NULL ? -ENODEV : 0;
}

static struct mt2060_config af9015_mt2060_config = {
    .i2c_address = 0xc0,
    .clock_out = 0,
};

static struct qt1010_config af9015_qt1010_config = {
    .i2c_address = 0xc4,
};

static struct tda18271_config af9015_tda18271_config = {
    .gate = TDA18271_GATE_DIGITAL,
    .small_i2c = TDA18271_16_BYTE_CHUNK_INIT,
};

static struct mxl5005s_config af9015_mxl5003_config = {
    .i2c_address     = 0xc6,
    .if_freq         = IF_FREQ_4570000HZ,
    .xtal_freq       = CRYSTAL_FREQ_16000000HZ,
    .agc_mode        = MXL_SINGLE_AGC,
    .tracking_filter = MXL_TF_DEFAULT,
    .rssi_enable     = MXL_RSSI_ENABLE,
    .cap_select      = MXL_CAP_SEL_ENABLE,
    .div_out         = MXL_DIV_OUT_4,
    .clock_out       = MXL_CLOCK_OUT_DISABLE,
    .output_load     = MXL5005S_IF_OUTPUT_LOAD_200_OHM,
    .top         = MXL5005S_TOP_25P2,
    .mod_mode        = MXL_DIGITAL_MODE,
    .if_mode         = MXL_ZERO_IF,
    .AgcMasterByte   = 0x00,
};

static struct mxl5005s_config af9015_mxl5005_config = {
    .i2c_address     = 0xc6,
    .if_freq         = IF_FREQ_4570000HZ,
    .xtal_freq       = CRYSTAL_FREQ_16000000HZ,
    .agc_mode        = MXL_SINGLE_AGC,
    .tracking_filter = MXL_TF_OFF,
    .rssi_enable     = MXL_RSSI_ENABLE,
    .cap_select      = MXL_CAP_SEL_ENABLE,
    .div_out         = MXL_DIV_OUT_4,
    .clock_out       = MXL_CLOCK_OUT_DISABLE,
    .output_load     = MXL5005S_IF_OUTPUT_LOAD_200_OHM,
    .top         = MXL5005S_TOP_25P2,
    .mod_mode        = MXL_DIGITAL_MODE,
    .if_mode         = MXL_ZERO_IF,
    .AgcMasterByte   = 0x00,
};

static struct mc44s803_config af9015_mc44s803_config = {
    .i2c_address = 0xc0,
    .dig_out = 1,
};

static struct tda18218_config af9015_tda18218_config = {
    .i2c_address = 0xc0,
    .i2c_wr_max = 21, /* max wr bytes AF9015 I2C adap can handle at once */
};

static struct mxl5007t_config af9015_mxl5007t_config = {
    .xtal_freq_hz = MxL_XTAL_24_MHZ,
    .if_freq_hz = MxL_IF_4_57_MHZ,
};

static int af9015_tuner_attach(struct dvb_usb_adapter *adap)
{
    struct dvb_usb_device *d = adap_to_d(adap);
    struct af9015_state *state = d_to_priv(d);
    int ret;
    dev_dbg(&d->udev->dev, "%s:\n", __func__);

    switch (state->af9013_config[adap->id].tuner) {
    case AF9013_TUNER_MT2060:
    case AF9013_TUNER_MT2060_2:
        ret = dvb_attach(mt2060_attach, adap->fe[0],
            &adap_to_d(adap)->i2c_adap, &af9015_mt2060_config,
            state->mt2060_if1[adap->id])
            == NULL ? -ENODEV : 0;
        break;
    case AF9013_TUNER_QT1010:
    case AF9013_TUNER_QT1010A:
        ret = dvb_attach(qt1010_attach, adap->fe[0],
            &adap_to_d(adap)->i2c_adap,
            &af9015_qt1010_config) == NULL ? -ENODEV : 0;
        break;
    case AF9013_TUNER_TDA18271:
        ret = dvb_attach(tda18271_attach, adap->fe[0], 0xc0,
            &adap_to_d(adap)->i2c_adap,
            &af9015_tda18271_config) == NULL ? -ENODEV : 0;
        break;
    case AF9013_TUNER_TDA18218:
        ret = dvb_attach(tda18218_attach, adap->fe[0],
            &adap_to_d(adap)->i2c_adap,
            &af9015_tda18218_config) == NULL ? -ENODEV : 0;
        break;
    case AF9013_TUNER_MXL5003D:
        ret = dvb_attach(mxl5005s_attach, adap->fe[0],
            &adap_to_d(adap)->i2c_adap,
            &af9015_mxl5003_config) == NULL ? -ENODEV : 0;
        break;
    case AF9013_TUNER_MXL5005D:
    case AF9013_TUNER_MXL5005R:
        ret = dvb_attach(mxl5005s_attach, adap->fe[0],
            &adap_to_d(adap)->i2c_adap,
            &af9015_mxl5005_config) == NULL ? -ENODEV : 0;
        break;
    case AF9013_TUNER_ENV77H11D5:
        ret = dvb_attach(dvb_pll_attach, adap->fe[0], 0xc0,
            &adap_to_d(adap)->i2c_adap,
            DVB_PLL_TDA665X) == NULL ? -ENODEV : 0;
        break;
    case AF9013_TUNER_MC44S803:
        ret = dvb_attach(mc44s803_attach, adap->fe[0],
            &adap_to_d(adap)->i2c_adap,
            &af9015_mc44s803_config) == NULL ? -ENODEV : 0;
        break;
    case AF9013_TUNER_MXL5007T:
        ret = dvb_attach(mxl5007t_attach, adap->fe[0],
            &adap_to_d(adap)->i2c_adap,
            0xc0, &af9015_mxl5007t_config) == NULL ? -ENODEV : 0;
        break;
    case AF9013_TUNER_UNKNOWN:
    default:
        dev_err(&d->udev->dev, "%s: unknown tuner id=%d\n",
                KBUILD_MODNAME,
                state->af9013_config[adap->id].tuner);
        ret = -ENODEV;
    }

    if (adap->fe[0]->ops.tuner_ops.init) {
        state->tuner_init[adap->id] =
            adap->fe[0]->ops.tuner_ops.init;
        adap->fe[0]->ops.tuner_ops.init = af9015_tuner_init;
    }

    if (adap->fe[0]->ops.tuner_ops.sleep) {
        state->tuner_sleep[adap->id] =
            adap->fe[0]->ops.tuner_ops.sleep;
        adap->fe[0]->ops.tuner_ops.sleep = af9015_tuner_sleep;
    }

    return ret;
}

static int af9015_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
{
    struct dvb_usb_device *d = adap_to_d(adap);
    int ret;
    dev_dbg(&d->udev->dev, "%s: onoff=%d\n", __func__, onoff);

    if (onoff)
        ret = af9015_set_reg_bit(d, 0xd503, 0);
    else
        ret = af9015_clear_reg_bit(d, 0xd503, 0);

    return ret;
}

static int af9015_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid,
    int onoff)
{
    struct dvb_usb_device *d = adap_to_d(adap);
    int ret;
    u8 idx;
    dev_dbg(&d->udev->dev, "%s: index=%d pid=%04x onoff=%d\n",
            __func__, index, pid, onoff);

    ret = af9015_write_reg(d, 0xd505, (pid & 0xff));
    if (ret)
        goto error;

    ret = af9015_write_reg(d, 0xd506, (pid >> 8));
    if (ret)
        goto error;

    idx = ((index & 0x1f) | (1 << 5));
    ret = af9015_write_reg(d, 0xd504, idx);

error:
    return ret;
}

static int af9015_init_endpoint(struct dvb_usb_device *d)
{
    struct af9015_state *state = d_to_priv(d);
    int ret;
    u16 frame_size;
    u8  packet_size;
    dev_dbg(&d->udev->dev, "%s: USB speed=%d\n", __func__, d->udev->speed);

    if (d->udev->speed == USB_SPEED_FULL) {
        frame_size = TS_USB11_FRAME_SIZE/4;
        packet_size = TS_USB11_MAX_PACKET_SIZE/4;
    } else {
        frame_size = TS_USB20_FRAME_SIZE/4;
        packet_size = TS_USB20_MAX_PACKET_SIZE/4;
    }

    ret = af9015_set_reg_bit(d, 0xd507, 2); /* assert EP4 reset */
    if (ret)
        goto error;
    ret = af9015_set_reg_bit(d, 0xd50b, 1); /* assert EP5 reset */
    if (ret)
        goto error;
    ret = af9015_clear_reg_bit(d, 0xdd11, 5); /* disable EP4 */
    if (ret)
        goto error;
    ret = af9015_clear_reg_bit(d, 0xdd11, 6); /* disable EP5 */
    if (ret)
        goto error;
    ret = af9015_set_reg_bit(d, 0xdd11, 5); /* enable EP4 */
    if (ret)
        goto error;
    if (state->dual_mode) {
        ret = af9015_set_reg_bit(d, 0xdd11, 6); /* enable EP5 */
        if (ret)
            goto error;
    }
    ret = af9015_clear_reg_bit(d, 0xdd13, 5); /* disable EP4 NAK */
    if (ret)
        goto error;
    if (state->dual_mode) {
        ret = af9015_clear_reg_bit(d, 0xdd13, 6); /* disable EP5 NAK */
        if (ret)
            goto error;
    }
    /* EP4 xfer length */
    ret = af9015_write_reg(d, 0xdd88, frame_size & 0xff);
    if (ret)
        goto error;
    ret = af9015_write_reg(d, 0xdd89, frame_size >> 8);
    if (ret)
        goto error;
    /* EP5 xfer length */
    ret = af9015_write_reg(d, 0xdd8a, frame_size & 0xff);
    if (ret)
        goto error;
    ret = af9015_write_reg(d, 0xdd8b, frame_size >> 8);
    if (ret)
        goto error;
    ret = af9015_write_reg(d, 0xdd0c, packet_size); /* EP4 packet size */
    if (ret)
        goto error;
    ret = af9015_write_reg(d, 0xdd0d, packet_size); /* EP5 packet size */
    if (ret)
        goto error;
    ret = af9015_clear_reg_bit(d, 0xd507, 2); /* negate EP4 reset */
    if (ret)
        goto error;
    if (state->dual_mode) {
        ret = af9015_clear_reg_bit(d, 0xd50b, 1); /* negate EP5 reset */
        if (ret)
            goto error;
    }

    /* enable / disable mp2if2 */
    if (state->dual_mode)
        ret = af9015_set_reg_bit(d, 0xd50b, 0);
    else
        ret = af9015_clear_reg_bit(d, 0xd50b, 0);

error:
    if (ret)
        dev_err(&d->udev->dev, "%s: endpoint init failed=%d\n",
                KBUILD_MODNAME, ret);

    return ret;
}

static int af9015_init(struct dvb_usb_device *d)
{
    struct af9015_state *state = d_to_priv(d);
    int ret;
    dev_dbg(&d->udev->dev, "%s:\n", __func__);

    mutex_init(&state->fe_mutex);

    /* init RC canary */
    ret = af9015_write_reg(d, 0x98e9, 0xff);
    if (ret)
        goto error;

    ret = af9015_init_endpoint(d);
    if (ret)
        goto error;

error:
    return ret;
}

struct af9015_rc_setup {
    unsigned int id;
    char *rc_codes;
};

static char *af9015_rc_setup_match(unsigned int id,
    const struct af9015_rc_setup *table)
{
    for (; table->rc_codes; table++)
        if (table->id == id)
            return table->rc_codes;
    return NULL;
}

static const struct af9015_rc_setup af9015_rc_setup_modparam[] = {
    { AF9015_REMOTE_A_LINK_DTU_M, RC_MAP_ALINK_DTU_M },
    { AF9015_REMOTE_MSI_DIGIVOX_MINI_II_V3, RC_MAP_MSI_DIGIVOX_II },
    { AF9015_REMOTE_MYGICTV_U718, RC_MAP_TOTAL_MEDIA_IN_HAND },
    { AF9015_REMOTE_DIGITTRADE_DVB_T, RC_MAP_DIGITTRADE },
    { AF9015_REMOTE_AVERMEDIA_KS, RC_MAP_AVERMEDIA_RM_KS },
    { }
};

static const struct af9015_rc_setup af9015_rc_setup_hashes[] = {
    { 0xb8feb708, RC_MAP_MSI_DIGIVOX_II },
    { 0xa3703d00, RC_MAP_ALINK_DTU_M },
    { 0x9b7dc64e, RC_MAP_TOTAL_MEDIA_IN_HAND }, /* MYGICTV U718 */
    { 0x5d49e3db, RC_MAP_DIGITTRADE }, /* LC-Power LC-USB-DVBT */
    { }
};

static int af9015_rc_query(struct dvb_usb_device *d)
{
    struct af9015_state *state = d_to_priv(d);
    int ret;
    u8 buf[17];

    /* read registers needed to detect remote controller code */
    ret = af9015_read_regs(d, 0x98d9, buf, sizeof(buf));
    if (ret)
        goto error;

    /* If any of these are non-zero, assume invalid data */
    if (buf[1] || buf[2] || buf[3]) {
        dev_dbg(&d->udev->dev, "%s: invalid data\n", __func__);
        return ret;
    }

    /* Check for repeat of previous code */
    if ((state->rc_repeat != buf[6] || buf[0]) &&
            !memcmp(&buf[12], state->rc_last, 4)) {
        dev_dbg(&d->udev->dev, "%s: key repeated\n", __func__);
        rc_keydown(d->rc_dev, state->rc_keycode, 0);
        state->rc_repeat = buf[6];
        return ret;
    }

    /* Only process key if canary killed */
    if (buf[16] != 0xff && buf[0] != 0x01) {
        dev_dbg(&d->udev->dev, "%s: key pressed %*ph\n",
                __func__, 4, buf + 12);

        /* Reset the canary */
        ret = af9015_write_reg(d, 0x98e9, 0xff);
        if (ret)
            goto error;

        /* Remember this key */
        memcpy(state->rc_last, &buf[12], 4);
        if (buf[14] == (u8) ~buf[15]) {
            if (buf[12] == (u8) ~buf[13]) {
                /* NEC */
                state->rc_keycode = buf[12] << 8 | buf[14];
            } else {
                /* NEC extended*/
                state->rc_keycode = buf[12] << 16 |
                    buf[13] << 8 | buf[14];
            }
        } else {
            /* 32 bit NEC */
            state->rc_keycode = buf[12] << 24 | buf[13] << 16 |
                    buf[14] << 8 | buf[15];
        }
        rc_keydown(d->rc_dev, state->rc_keycode, 0);
    } else {
        dev_dbg(&d->udev->dev, "%s: no key press\n", __func__);
        /* Invalidate last keypress */
        /* Not really needed, but helps with debug */
        state->rc_last[2] = state->rc_last[3];
    }

    state->rc_repeat = buf[6];
    state->rc_failed = false;

error:
    if (ret) {
        dev_warn(&d->udev->dev, "%s: rc query failed=%d\n",
                KBUILD_MODNAME, ret);

        /* allow random errors as dvb-usb will stop polling on error */
        if (!state->rc_failed)
            ret = 0;

        state->rc_failed = true;
    }

    return ret;
}

static int af9015_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc)
{
    struct af9015_state *state = d_to_priv(d);
    u16 vid = le16_to_cpu(d->udev->descriptor.idVendor);

    if (state->ir_mode == AF9015_IR_MODE_DISABLED)
        return 0;

    /* try to load remote based module param */
    if (!rc->map_name)
        rc->map_name = af9015_rc_setup_match(dvb_usb_af9015_remote,
                af9015_rc_setup_modparam);

    /* try to load remote based eeprom hash */
    if (!rc->map_name)
        rc->map_name = af9015_rc_setup_match(state->eeprom_sum,
                af9015_rc_setup_hashes);

    /* try to load remote based USB iManufacturer string */
    if (!rc->map_name && vid == USB_VID_AFATECH) {
        /* Check USB manufacturer and product strings and try
           to determine correct remote in case of chip vendor
           reference IDs are used.
           DO NOT ADD ANYTHING NEW HERE. Use hashes instead. */
        char manufacturer[10];
        memset(manufacturer, 0, sizeof(manufacturer));
        usb_string(d->udev, d->udev->descriptor.iManufacturer,
            manufacturer, sizeof(manufacturer));
        if (!strcmp("MSI", manufacturer)) {
            /* iManufacturer 1 MSI
               iProduct      2 MSI K-VOX */
            rc->map_name = af9015_rc_setup_match(
                    AF9015_REMOTE_MSI_DIGIVOX_MINI_II_V3,
                    af9015_rc_setup_modparam);
        }
    }

    /* load empty to enable rc */
    if (!rc->map_name)
        rc->map_name = RC_MAP_EMPTY;

    rc->allowed_protos = RC_TYPE_NEC;
    rc->query = af9015_rc_query;
    rc->interval = 500;

    return 0;
}

/* interface 0 is used by DVB-T receiver and
   interface 1 is for remote controller (HID) */
static struct dvb_usb_device_properties af9015_props = {
    .driver_name = KBUILD_MODNAME,
    .owner = THIS_MODULE,
    .adapter_nr = adapter_nr,
    .size_of_priv = sizeof(struct af9015_state),

    .generic_bulk_ctrl_endpoint = 0x02,
    .generic_bulk_ctrl_endpoint_response = 0x81,

    .identify_state = af9015_identify_state,
    .firmware = AF9015_FIRMWARE,
    .download_firmware = af9015_download_firmware,

    .i2c_algo = &af9015_i2c_algo,
    .read_config = af9015_read_config,
    .frontend_attach = af9015_af9013_frontend_attach,
    .tuner_attach = af9015_tuner_attach,
    .init = af9015_init,
    .get_rc_config = af9015_get_rc_config,
    .get_stream_config = af9015_get_stream_config,

    .get_adapter_count = af9015_get_adapter_count,
    .adapter = {
        {
            .caps = DVB_USB_ADAP_HAS_PID_FILTER |
                DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
            .pid_filter_count = 32,
            .pid_filter = af9015_pid_filter,
            .pid_filter_ctrl = af9015_pid_filter_ctrl,

            .stream = DVB_USB_STREAM_BULK(0x84, 8, TS_USB20_FRAME_SIZE),
        }, {
            .stream = DVB_USB_STREAM_BULK(0x85, 8, TS_USB20_FRAME_SIZE),
        },
    },
};

static const struct usb_device_id af9015_id_table[] = {
    { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9015_9015,
        &af9015_props, "Afatech AF9015 reference design", NULL) },
    { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9015_9016,
        &af9015_props, "Afatech AF9015 reference design", NULL) },
    { DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV_DONGLE_GOLD,
        &af9015_props, "Leadtek WinFast DTV Dongle Gold", RC_MAP_LEADTEK_Y04G0051) },
    { DVB_USB_DEVICE(USB_VID_PINNACLE, USB_PID_PINNACLE_PCTV71E,
        &af9015_props, "Pinnacle PCTV 71e", NULL) },
    { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_KWORLD_399U,
        &af9015_props, "KWorld PlusTV Dual DVB-T Stick (DVB-T 399U)", NULL) },
    { DVB_USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TINYTWIN,
        &af9015_props, "DigitalNow TinyTwin", RC_MAP_AZUREWAVE_AD_TU700) },
    { DVB_USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_AZUREWAVE_AD_TU700,
        &af9015_props, "TwinHan AzureWave AD-TU700(704J)", RC_MAP_AZUREWAVE_AD_TU700) },
    { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_USB_XE_REV2,
        &af9015_props, "TerraTec Cinergy T USB XE", NULL) },
    { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_KWORLD_PC160_2T,
        &af9015_props, "KWorld PlusTV Dual DVB-T PCI (DVB-T PC160-2T)", NULL) },
    { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_VOLAR_X,
        &af9015_props, "AVerMedia AVerTV DVB-T Volar X", RC_MAP_AVERMEDIA_M135A) },
    { DVB_USB_DEVICE(USB_VID_XTENSIONS, USB_PID_XTENSIONS_XD_380,
        &af9015_props, "Xtensions XD-380", NULL) },
    { DVB_USB_DEVICE(USB_VID_MSI_2, USB_PID_MSI_DIGIVOX_DUO,
        &af9015_props, "MSI DIGIVOX Duo", RC_MAP_MSI_DIGIVOX_III) },
    { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_VOLAR_X_2,
        &af9015_props, "Fujitsu-Siemens Slim Mobile USB DVB-T", NULL) },
    { DVB_USB_DEVICE(USB_VID_TELESTAR,  USB_PID_TELESTAR_STARSTICK_2,
        &af9015_props, "Telestar Starstick 2", NULL) },
    { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A309,
        &af9015_props, "AVerMedia A309", NULL) },
    { DVB_USB_DEVICE(USB_VID_MSI_2, USB_PID_MSI_DIGI_VOX_MINI_III,
        &af9015_props, "MSI Digi VOX mini III", RC_MAP_MSI_DIGIVOX_III) },
    { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_KWORLD_395U,
        &af9015_props, "KWorld USB DVB-T TV Stick II (VS-DVB-T 395U)", NULL) },
    { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_KWORLD_395U_2,
        &af9015_props, "KWorld USB DVB-T TV Stick II (VS-DVB-T 395U)", NULL) },
    { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_KWORLD_395U_3,
        &af9015_props, "KWorld USB DVB-T TV Stick II (VS-DVB-T 395U)", NULL) },
    { DVB_USB_DEVICE(USB_VID_AFATECH, USB_PID_TREKSTOR_DVBT,
        &af9015_props, "TrekStor DVB-T USB Stick", RC_MAP_TREKSTOR) },
    { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A850,
        &af9015_props, "AverMedia AVerTV Volar Black HD (A850)", NULL) },
    { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A805,
        &af9015_props, "AverMedia AVerTV Volar GPS 805 (A805)", NULL) },
    { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_CONCEPTRONIC_CTVDIGRCU,
        &af9015_props, "Conceptronic USB2.0 DVB-T CTVDIGRCU V3.0", NULL) },
    { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_KWORLD_MC810,
        &af9015_props, "KWorld Digial MC-810", NULL) },
    { DVB_USB_DEVICE(USB_VID_KYE, USB_PID_GENIUS_TVGO_DVB_T03,
        &af9015_props, "Genius TVGo DVB-T03", NULL) },
    { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_KWORLD_399U_2,
        &af9015_props, "KWorld PlusTV Dual DVB-T Stick (DVB-T 399U)", NULL) },
    { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_KWORLD_PC160_T,
        &af9015_props, "KWorld PlusTV DVB-T PCI Pro Card (DVB-T PC160-T)", NULL) },
    { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV20,
        &af9015_props, "Sveon STV20 Tuner USB DVB-T HDTV", NULL) },
    { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_TINYTWIN_2,
        &af9015_props, "DigitalNow TinyTwin v2", RC_MAP_DIGITALNOW_TINYTWIN) },
    { DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV2000DS,
        &af9015_props, "Leadtek WinFast DTV2000DS", RC_MAP_LEADTEK_Y04G0051) },
    { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_KWORLD_UB383_T,
        &af9015_props, "KWorld USB DVB-T Stick Mobile (UB383-T)", NULL) },
    { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_KWORLD_395U_4,
        &af9015_props, "KWorld USB DVB-T TV Stick II (VS-DVB-T 395U)", NULL) },
    { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A815M,
        &af9015_props, "AverMedia AVerTV Volar M (A815Mac)", NULL) },
    { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK_RC,
        &af9015_props, "TerraTec Cinergy T Stick RC", RC_MAP_TERRATEC_SLIM_2) },
    { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK_DUAL_RC,
        &af9015_props, "TerraTec Cinergy T Stick Dual RC", RC_MAP_TERRATEC_SLIM) },
    { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A850T,
        &af9015_props, "AverMedia AVerTV Red HD+ (A850T)", NULL) },
    { DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_TINYTWIN_3,
        &af9015_props, "DigitalNow TinyTwin v3", RC_MAP_DIGITALNOW_TINYTWIN) },
    { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV22,
        &af9015_props, "Sveon STV22 Dual USB DVB-T Tuner HDTV", RC_MAP_MSI_DIGIVOX_III) },
    { }
};
MODULE_DEVICE_TABLE(usb, af9015_id_table);

/* usb specific object needed to register this driver with the usb subsystem */
static struct usb_driver af9015_usb_driver = {
    .name = KBUILD_MODNAME,
    .id_table = af9015_id_table,
    .probe = dvb_usbv2_probe,
    .disconnect = dvb_usbv2_disconnect,
    .suspend = dvb_usbv2_suspend,
    .resume = dvb_usbv2_resume,
    .reset_resume = dvb_usbv2_reset_resume,
    .no_dynamic_id = 1,
    .soft_unbind = 1,
};

module_usb_driver(af9015_usb_driver);

MODULE_AUTHOR("Antti Palosaari <[email protected]>");
MODULE_DESCRIPTION("Afatech AF9015 driver");
MODULE_LICENSE("GPL");
MODULE_FIRMWARE(AF9015_FIRMWARE);