text: /*
   * DVB USB Linux driver for Afatech AF9015 DVB-T USB2.0 receiver
   *
   * Copyright (C) 2007 Antti Palosaari <crope@iki.fi>
   *
   * 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 <linux/hash.h>
  #include <linux/slab.h>
  
  #include "af9015.h"
  #include "af9013.h"
  #include "mt2060.h"
  #include "qt1010.h"
  #include "tda18271.h"
  #include "mxl5005s.h"
  #include "mc44s803.h"
  
  static int dvb_usb_af9015_debug;
  module_param_named(debug, dvb_usb_af9015_debug, int, 0644);
  MODULE_PARM_DESC(debug, "set debugging level" DVB_USB_DEBUG_STATUS);
  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 DEFINE_MUTEX(af9015_usb_mutex);
  
  static struct af9015_config af9015_config;
  static struct dvb_usb_device_properties af9015_properties[3];
  static int af9015_properties_count = ARRAY_SIZE(af9015_properties);
  
  static struct af9013_config af9015_af9013_config[] = {
  	{
  		.demod_address = AF9015_I2C_DEMOD,
  		.output_mode = AF9013_OUTPUT_MODE_USB,
  		.api_version = { 0, 1, 9, 0 },
  		.gpio[0] = AF9013_GPIO_HI,
  		.gpio[3] = AF9013_GPIO_TUNER_ON,
  
  	}, {
  		.output_mode = AF9013_OUTPUT_MODE_SERIAL,
  		.api_version = { 0, 1, 9, 0 },
  		.gpio[0] = AF9013_GPIO_TUNER_ON,
  		.gpio[1] = AF9013_GPIO_LO,
  	}
  };
  
  static int af9015_rw_udev(struct usb_device *udev, struct req_t *req)
  {
  #define BUF_LEN 63
  #define REQ_HDR_LEN 8 /* send header size */
  #define ACK_HDR_LEN 2 /* rece header size */
  	int act_len, ret;
  	u8 buf[BUF_LEN];
  	u8 write = 1;
  	u8 msg_len = REQ_HDR_LEN;
  	static u8 seq; /* packet sequence number */
  
  	if (mutex_lock_interruptible(&af9015_usb_mutex) < 0)
  		return -EAGAIN;
  
  	buf[0] = req->cmd;
  	buf[1] = 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:
  	case GET_IR_CODE:
  		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:
  		err("unknown command:%d", req->cmd);
  		ret = -1;
  		goto error_unlock;
  	}
  
  	/* buffer overflow check */
  	if ((write && (req->data_len > BUF_LEN - REQ_HDR_LEN)) ||
  		(!write && (req->data_len > BUF_LEN - ACK_HDR_LEN))) {
  		err("too much data; cmd:%d len:%d", req->cmd, req->data_len);
  		ret = -EINVAL;
  		goto error_unlock;
  	}
  
  	/* write requested */
  	if (write) {
  		memcpy(&buf[REQ_HDR_LEN], req->data, req->data_len);
  		msg_len += req->data_len;
  	}
  
  	deb_xfer(">>> ");
  	debug_dump(buf, msg_len, deb_xfer);
  
  	/* send req */
  	ret = usb_bulk_msg(udev, usb_sndbulkpipe(udev, 0x02), buf, msg_len,
  		&act_len, AF9015_USB_TIMEOUT);
  	if (ret)
  		err("bulk message failed:%d (%d/%d)", ret, msg_len, act_len);
  	else
  		if (act_len != msg_len)
  			ret = -1; /* all data is not send */
  	if (ret)
  		goto error_unlock;
  
  	/* no ack for those packets */
  	if (req->cmd == DOWNLOAD_FIRMWARE || req->cmd == RECONNECT_USB)
  		goto exit_unlock;
  
  	/* write receives seq + status = 2 bytes
  	   read receives seq + status + data = 2 + N bytes */
  	msg_len = ACK_HDR_LEN;
  	if (!write)
  		msg_len += req->data_len;
  
  	ret = usb_bulk_msg(udev, usb_rcvbulkpipe(udev, 0x81), buf, msg_len,
  		&act_len, AF9015_USB_TIMEOUT);
  	if (ret) {
  		err("recv bulk message failed:%d", ret);
  		ret = -1;
  		goto error_unlock;
  	}
  
  	deb_xfer("<<< ");
  	debug_dump(buf, act_len, deb_xfer);
  
  	/* remote controller query status is 1 if remote code is not received */
  	if (req->cmd == GET_IR_CODE && buf[1] == 1) {
  		buf[1] = 0; /* clear command "error" status */
  		memset(&buf[2], 0, req->data_len);
  		buf[3] = 1; /* no remote code received mark */
  	}
  
  	/* check status */
  	if (buf[1]) {
  		err("command failed:%d", buf[1]);
  		ret = -1;
  		goto error_unlock;
  	}
  
  	/* read request, copy returned data to return buf */
  	if (!write)
  		memcpy(req->data, &buf[ACK_HDR_LEN], req->data_len);
  
  error_unlock:
  exit_unlock:
  	mutex_unlock(&af9015_usb_mutex);
  
  	return ret;
  }
  
  static int af9015_ctrl_msg(struct dvb_usb_device *d, struct req_t *req)
  {
  	return af9015_rw_udev(d->udev, req);
  }
  
  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_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)
  {
  	struct req_t req = {READ_MEMORY, AF9015_I2C_DEMOD, addr, 0, 0, 1, val};
  	return af9015_ctrl_msg(d, &req);
  }
  
  static int af9015_write_reg_i2c(struct dvb_usb_device *d, u8 addr, u16 reg,
  	u8 val)
  {
  	struct req_t req = {WRITE_I2C, addr, reg, 1, 1, 1, &val};
  
  	if (addr == af9015_af9013_config[0].demod_address ||
  	    addr == af9015_af9013_config[1].demod_address)
  		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 req_t req = {READ_I2C, addr, reg, 0, 1, 1, val};
  
  	if (addr == af9015_af9013_config[0].demod_address ||
  	    addr == af9015_af9013_config[1].demod_address)
  		req.addr_len = 3;
  
  	return af9015_ctrl_msg(d, &req);
  }
  
  static int af9015_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
  	int num)
  {
  	struct dvb_usb_device *d = i2c_get_adapdata(adap);
  	int ret = 0, i = 0;
  	u16 addr;
  	u8 mbox, addr_len;
  	struct req_t req;
  
  /* TODO: implement bus lock
  
  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 == af9015_af9013_config[0].demod_address ||
  		    msg[i].addr == af9015_af9013_config[1].demod_address) {
  			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 = 0;
  		}
  
  		if (num > i + 1 && (msg[i+1].flags & I2C_M_RD)) {
  			if (msg[i].addr ==
  				af9015_af9013_config[0].demod_address)
  				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) {
  			ret = -EINVAL;
  			if (msg[i].addr ==
  				af9015_af9013_config[0].demod_address)
  				goto error;
  			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].len;
  			req.data = &msg[i].buf[0];
  			ret = af9015_ctrl_msg(d, &req);
  			i += 1;
  		} else {
  			if (msg[i].addr ==
  				af9015_af9013_config[0].demod_address)
  				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_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_init_endpoint(struct dvb_usb_device *d)
  {
  	int ret;
  	u16 frame_size;
  	u8  packet_size;
  	deb_info("%s: USB speed:%d\n", __func__, d->udev->speed);
  
  	/* Windows driver uses packet count 21 for USB1.1 and 348 for USB2.0.
  	   We use smaller - about 1/4 from the original, 5 and 87. */
  #define TS_PACKET_SIZE            188
  
  #define TS_USB20_PACKET_COUNT      87
  #define TS_USB20_FRAME_SIZE       (TS_PACKET_SIZE*TS_USB20_PACKET_COUNT)
  
  #define TS_USB11_PACKET_COUNT       5
  #define TS_USB11_FRAME_SIZE       (TS_PACKET_SIZE*TS_USB11_PACKET_COUNT)
  
  #define TS_USB20_MAX_PACKET_SIZE  512
  #define TS_USB11_MAX_PACKET_SIZE   64
  
  	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 (af9015_config.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 (af9015_config.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 (af9015_config.dual_mode) {
  		ret = af9015_clear_reg_bit(d, 0xd50b, 1); /* negate EP5 reset */
  		if (ret)
  			goto error;
  	}
  
  	/* enable / disable mp2if2 */
  	if (af9015_config.dual_mode)
  		ret = af9015_set_reg_bit(d, 0xd50b, 0);
  	else
  		ret = af9015_clear_reg_bit(d, 0xd50b, 0);
  error:
  	if (ret)
  		err("endpoint init failed:%d", ret);
  	return ret;
  }
  
  static int af9015_copy_firmware(struct dvb_usb_device *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 };
  	deb_info("%s:\n", __func__);
  
  	fw_params[0] = af9015_config.firmware_size >> 8;
  	fw_params[1] = af9015_config.firmware_size & 0xff;
  	fw_params[2] = af9015_config.firmware_checksum >> 8;
  	fw_params[3] = af9015_config.firmware_checksum & 0xff;
  
  	/* wait 2nd demodulator ready */
  	msleep(100);
  
  	ret = af9015_read_reg_i2c(d, 0x3a, 0x98be, &val);
  	if (ret)
  		goto error;
  	else
  		deb_info("%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)
  		err("firmware copy cmd failed:%d", ret);
  	deb_info("%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, af9015_af9013_config[1].demod_address,
  		0xe205, 1);
  	deb_info("%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,
  			af9015_af9013_config[1].demod_address, 0x98be, &val);
  		deb_info("%s: firmware status cmd status:%d fw status:%02x\n",
  			__func__, ret, val);
  		if (ret)
  			goto error;
  
  		if (val == 0x0c || val == 0x04) /* success or fail */
  			break;
  	}
  
  	if (val == 0x04) {
  		err("firmware did not run");
  		ret = -1;
  	} else if (val != 0x0c) {
  		err("firmware boot timeout");
  		ret = -1;
  	}
  
  error:
  exit:
  	return ret;
  }
  
  /* hash (and dump) eeprom */
  static int af9015_eeprom_hash(struct usb_device *udev)
  {
  	static const unsigned int eeprom_size = 256;
  	unsigned int reg;
  	int ret;
  	u8 val, *eeprom;
  	struct req_t req = {READ_I2C, AF9015_I2C_EEPROM, 0, 0, 1, 1, &val};
  
  	eeprom = kmalloc(eeprom_size, GFP_KERNEL);
  	if (eeprom == NULL)
  		return -ENOMEM;
  
  	for (reg = 0; reg < eeprom_size; reg++) {
  		req.addr = reg;
  		ret = af9015_rw_udev(udev, &req);
  		if (ret)
  			goto free;
  		eeprom[reg] = val;
  	}
  
  	if (dvb_usb_af9015_debug & 0x01)
  		print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, eeprom,
  				eeprom_size);
  
  	BUG_ON(eeprom_size % 4);
  
  	af9015_config.eeprom_sum = 0;
  	for (reg = 0; reg < eeprom_size / sizeof(u32); reg++) {
  		af9015_config.eeprom_sum *= GOLDEN_RATIO_PRIME_32;
  		af9015_config.eeprom_sum += le32_to_cpu(((u32 *)eeprom)[reg]);
  	}
  
  	deb_info("%s: eeprom sum=%.8x\n", __func__, af9015_config.eeprom_sum);
  
  	ret = 0;
  free:
  	kfree(eeprom);
  	return ret;
  }
  
  static int af9015_download_ir_table(struct dvb_usb_device *d)
  {
  	int i, packets = 0, ret;
  	u16 addr = 0x9a56; /* ir-table start address */
  	struct req_t req = {WRITE_MEMORY, 0, 0, 0, 0, 1, NULL};
  	u8 *data = NULL;
  	deb_info("%s:\n", __func__);
  
  	data = af9015_config.ir_table;
  	packets = af9015_config.ir_table_size;
  
  	/* no remote */
  	if (!packets)
  		goto exit;
  
  	/* load remote ir-table */
  	for (i = 0; i < packets; i++) {
  		req.addr = addr + i;
  		req.data = &data[i];
  		ret = af9015_ctrl_msg(d, &req);
  		if (ret) {
  			err("ir-table download failed at packet %d with " \
  				"code %d", i, ret);
  			return ret;
  		}
  	}
  
  exit:
  	return 0;
  }
  
  static int af9015_init(struct dvb_usb_device *d)
  {
  	int ret;
  	deb_info("%s:\n", __func__);
  
  	ret = af9015_init_endpoint(d);
  	if (ret)
  		goto error;
  
  	ret = af9015_download_ir_table(d);
  	if (ret)
  		goto error;
  
  error:
  	return ret;
  }
  
  static int af9015_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
  {
  	int ret;
  	deb_info("%s: onoff:%d\n", __func__, onoff);
  
  	if (onoff)
  		ret = af9015_set_reg_bit(adap->dev, 0xd503, 0);
  	else
  		ret = af9015_clear_reg_bit(adap->dev, 0xd503, 0);
  
  	return ret;
  }
  
  static int af9015_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid,
  	int onoff)
  {
  	int ret;
  	u8 idx;
  
  	deb_info("%s: set pid filter, index %d, pid %x, onoff %d\n",
  		__func__, index, pid, onoff);
  
  	ret = af9015_write_reg(adap->dev, 0xd505, (pid & 0xff));
  	if (ret)
  		goto error;
  
  	ret = af9015_write_reg(adap->dev, 0xd506, (pid >> 8));
  	if (ret)
  		goto error;
  
  	idx = ((index & 0x1f) | (1 << 5));
  	ret = af9015_write_reg(adap->dev, 0xd504, idx);
  
  error:
  	return ret;
  }
  
  static int af9015_download_firmware(struct usb_device *udev,
  	const struct firmware *fw)
  {
  	int i, len, packets, remainder, ret;
  	struct req_t req = {DOWNLOAD_FIRMWARE, 0, 0, 0, 0, 0, NULL};
  	u16 addr = 0x5100; /* firmware start address */
  	u16 checksum = 0;
  
  	deb_info("%s:\n", __func__);
  
  	/* calc checksum */
  	for (i = 0; i < fw->size; i++)
  		checksum += fw->data[i];
  
  	af9015_config.firmware_size = fw->size;
  	af9015_config.firmware_checksum = checksum;
  
  	#define FW_PACKET_MAX_DATA  55
  
  	packets = fw->size / FW_PACKET_MAX_DATA;
  	remainder = fw->size % FW_PACKET_MAX_DATA;
  	len = FW_PACKET_MAX_DATA;
  	for (i = 0; i <= packets; i++) {
  		if (i == packets)  /* set size of the last packet */
  			len = remainder;
  
  		req.data_len = len;
  		req.data = (u8 *)(fw->data + i * FW_PACKET_MAX_DATA);
  		req.addr = addr;
  		addr += FW_PACKET_MAX_DATA;
  
  		ret = af9015_rw_udev(udev, &req);
  		if (ret) {
  			err("firmware download failed at packet %d with " \
  				"code %d", i, ret);
  			goto error;
  		}
  	}
  
  	/* firmware loaded, request boot */
  	req.cmd = BOOT;
  	ret = af9015_rw_udev(udev, &req);
  	if (ret) {
  		err("firmware boot failed:%d", ret);
  		goto error;
  	}
  
  error:
  	return ret;
  }
  
  struct af9015_setup {
  	unsigned int id;
  	struct dvb_usb_rc_key *rc_key_map;
  	unsigned int rc_key_map_size;
  	u8 *ir_table;
  	unsigned int ir_table_size;
  };
  
  static const struct af9015_setup *af9015_setup_match(unsigned int id,
  		const struct af9015_setup *table)
  {
  	for (; table->rc_key_map; table++)
  		if (table->id == id)
  			return table;
  	return NULL;
  }
  
  static const struct af9015_setup af9015_setup_modparam[] = {
  	{ AF9015_REMOTE_A_LINK_DTU_M,
  		ir_codes_af9015_table_a_link, ARRAY_SIZE(ir_codes_af9015_table_a_link),
  		af9015_ir_table_a_link, ARRAY_SIZE(af9015_ir_table_a_link) },
  	{ AF9015_REMOTE_MSI_DIGIVOX_MINI_II_V3,
  		ir_codes_af9015_table_msi, ARRAY_SIZE(ir_codes_af9015_table_msi),
  		af9015_ir_table_msi, ARRAY_SIZE(af9015_ir_table_msi) },
  	{ AF9015_REMOTE_MYGICTV_U718,
  		ir_codes_af9015_table_mygictv, ARRAY_SIZE(ir_codes_af9015_table_mygictv),
  		af9015_ir_table_mygictv, ARRAY_SIZE(af9015_ir_table_mygictv) },
  	{ AF9015_REMOTE_DIGITTRADE_DVB_T,
  		ir_codes_af9015_table_digittrade, ARRAY_SIZE(ir_codes_af9015_table_digittrade),
  		af9015_ir_table_digittrade, ARRAY_SIZE(af9015_ir_table_digittrade) },
  	{ AF9015_REMOTE_AVERMEDIA_KS,
  		ir_codes_af9015_table_avermedia, ARRAY_SIZE(ir_codes_af9015_table_avermedia),
  		af9015_ir_table_avermedia_ks, ARRAY_SIZE(af9015_ir_table_avermedia_ks) },
  	{ }
  };
  
  /* don't add new entries here anymore, use hashes instead */
  static const struct af9015_setup af9015_setup_usbids[] = {
  	{ USB_VID_LEADTEK,
  		ir_codes_af9015_table_leadtek, ARRAY_SIZE(ir_codes_af9015_table_leadtek),
  		af9015_ir_table_leadtek, ARRAY_SIZE(af9015_ir_table_leadtek) },
  	{ USB_VID_VISIONPLUS,
  		ir_codes_af9015_table_twinhan, ARRAY_SIZE(ir_codes_af9015_table_twinhan),
  		af9015_ir_table_twinhan, ARRAY_SIZE(af9015_ir_table_twinhan) },
  	{ USB_VID_KWORLD_2, /* TODO: use correct rc keys */
  		ir_codes_af9015_table_twinhan, ARRAY_SIZE(ir_codes_af9015_table_twinhan),
  		af9015_ir_table_kworld, ARRAY_SIZE(af9015_ir_table_kworld) },
  	{ USB_VID_AVERMEDIA,
  		ir_codes_af9015_table_avermedia, ARRAY_SIZE(ir_codes_af9015_table_avermedia),
  		af9015_ir_table_avermedia, ARRAY_SIZE(af9015_ir_table_avermedia) },
  	{ USB_VID_MSI_2,
  		ir_codes_af9015_table_msi_digivox_iii, ARRAY_SIZE(ir_codes_af9015_table_msi_digivox_iii),
  		af9015_ir_table_msi_digivox_iii, ARRAY_SIZE(af9015_ir_table_msi_digivox_iii) },
  	{ }
  };
  
  static const struct af9015_setup af9015_setup_hashes[] = {
  	{ 0xb8feb708,
  		ir_codes_af9015_table_msi, ARRAY_SIZE(ir_codes_af9015_table_msi),
  		af9015_ir_table_msi, ARRAY_SIZE(af9015_ir_table_msi) },
  	{ 0xa3703d00,
  		ir_codes_af9015_table_a_link, ARRAY_SIZE(ir_codes_af9015_table_a_link),
  		af9015_ir_table_a_link, ARRAY_SIZE(af9015_ir_table_a_link) },
  	{ 0x9b7dc64e,
  		ir_codes_af9015_table_mygictv, ARRAY_SIZE(ir_codes_af9015_table_mygictv),
  		af9015_ir_table_mygictv, ARRAY_SIZE(af9015_ir_table_mygictv) },
  	{ }
  };
  
  static void af9015_set_remote_config(struct usb_device *udev,
  		struct dvb_usb_device_properties *props)
  {
  	const struct af9015_setup *table = NULL;
  
  	if (dvb_usb_af9015_remote) {
  		/* load remote defined as module param */
  		table = af9015_setup_match(dvb_usb_af9015_remote,
  				af9015_setup_modparam);
  	} else {
  		u16 vendor = le16_to_cpu(udev->descriptor.idVendor);
  
  		table = af9015_setup_match(af9015_config.eeprom_sum,
  				af9015_setup_hashes);
  
  		if (!table && vendor == 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(udev, udev->descriptor.iManufacturer,
  				manufacturer, sizeof(manufacturer));
  			if (!strcmp("MSI", manufacturer)) {
  				/* iManufacturer 1 MSI
  				   iProduct      2 MSI K-VOX */
  				table = af9015_setup_match(
  					AF9015_REMOTE_MSI_DIGIVOX_MINI_II_V3,
  					af9015_setup_modparam);
  			} else if (udev->descriptor.idProduct ==
  				cpu_to_le16(USB_PID_TREKSTOR_DVBT)) {
  				table = &(const struct af9015_setup){ 0,
  					ir_codes_af9015_table_trekstor,
  					ARRAY_SIZE(ir_codes_af9015_table_trekstor),
  					af9015_ir_table_trekstor,
  					ARRAY_SIZE(af9015_ir_table_trekstor)
  				};
  			}
  		} else if (!table)
  			table = af9015_setup_match(vendor, af9015_setup_usbids);
  	}
  
  	if (table) {
  		props->rc_key_map = table->rc_key_map;
  		props->rc_key_map_size = table->rc_key_map_size;
  		af9015_config.ir_table = table->ir_table;
  		af9015_config.ir_table_size = table->ir_table_size;
  	}
  }
  
  static int af9015_read_config(struct usb_device *udev)
  {
  	int ret;
  	u8 val, i, offset = 0;
  	struct req_t req = {READ_I2C, AF9015_I2C_EEPROM, 0, 0, 1, 1, &val};
  
  	/* 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_rw_udev(udev, &req);
  		if (!ret)
  			break;
  	}
  	if (ret)
  		goto error;
  
  	ret = af9015_eeprom_hash(udev);
  	if (ret)
  		goto error;
  
  	deb_info("%s: IR mode:%d\n", __func__, val);
  	for (i = 0; i < af9015_properties_count; i++) {
  		if (val == AF9015_IR_MODE_DISABLED) {
  			af9015_properties[i].rc_key_map = NULL;
  			af9015_properties[i].rc_key_map_size  = 0;
  		} else
  			af9015_set_remote_config(udev, &af9015_properties[i]);
  	}
  
  	/* TS mode - one or two receivers */
  	req.addr = AF9015_EEPROM_TS_MODE;
  	ret = af9015_rw_udev(udev, &req);
  	if (ret)
  		goto error;
  	af9015_config.dual_mode = val;
  	deb_info("%s: TS mode:%d\n", __func__, af9015_config.dual_mode);
  
  	/* Set adapter0 buffer size according to USB port speed, adapter1 buffer
  	   size can be static because it is enabled only USB2.0 */
  	for (i = 0; i < af9015_properties_count; i++) {
  		/* USB1.1 set smaller buffersize and disable 2nd adapter */
  		if (udev->speed == USB_SPEED_FULL) {
  			af9015_properties[i].adapter[0].stream.u.bulk.buffersize
  				= TS_USB11_FRAME_SIZE;
  			/* disable 2nd adapter because we don't have
  			   PID-filters */
  			af9015_config.dual_mode = 0;
  		} else {
  			af9015_properties[i].adapter[0].stream.u.bulk.buffersize
  				= TS_USB20_FRAME_SIZE;
  		}
  	}
  
  	if (af9015_config.dual_mode) {
  		/* read 2nd demodulator I2C address */
  		req.addr = AF9015_EEPROM_DEMOD2_I2C;
  		ret = af9015_rw_udev(udev, &req);
  		if (ret)
  			goto error;
  		af9015_af9013_config[1].demod_address = val;
  
  		/* enable 2nd adapter */
  		for (i = 0; i < af9015_properties_count; i++)
  			af9015_properties[i].num_adapters = 2;
  
  	} else {
  		 /* disable 2nd adapter */
  		for (i = 0; i < af9015_properties_count; i++)
  			af9015_properties[i].num_adapters = 1;
  	}
  
  	for (i = 0; i < af9015_properties[0].num_adapters; i++) {
  		if (i == 1)
  			offset = AF9015_EEPROM_OFFSET;
  		/* xtal */
  		req.addr = AF9015_EEPROM_XTAL_TYPE1 + offset;
  		ret = af9015_rw_udev(udev, &req);
  		if (ret)
  			goto error;
  		switch (val) {
  		case 0:
  			af9015_af9013_config[i].adc_clock = 28800;
  			break;
  		case 1:
  			af9015_af9013_config[i].adc_clock = 20480;
  			break;
  		case 2:
  			af9015_af9013_config[i].adc_clock = 28000;
  			break;
  		case 3:
  			af9015_af9013_config[i].adc_clock = 25000;
  			break;
  		};
  		deb_info("%s: [%d] xtal:%d set adc_clock:%d\n", __func__, i,
  			val, af9015_af9013_config[i].adc_clock);
  
  		/* tuner IF */
  		req.addr = AF9015_EEPROM_IF1H + offset;
  		ret = af9015_rw_udev(udev, &req);
  		if (ret)
  			goto error;
  		af9015_af9013_config[i].tuner_if = val << 8;
  		req.addr = AF9015_EEPROM_IF1L + offset;
  		ret = af9015_rw_udev(udev, &req);
  		if (ret)
  			goto error;
  		af9015_af9013_config[i].tuner_if += val;
  		deb_info("%s: [%d] IF1:%d\n", __func__, i,
  			af9015_af9013_config[0].tuner_if);
  
  		/* MT2060 IF1 */
  		req.addr = AF9015_EEPROM_MT2060_IF1H  + offset;
  		ret = af9015_rw_udev(udev, &req);
  		if (ret)
  			goto error;
  		af9015_config.mt2060_if1[i] = val << 8;
  		req.addr = AF9015_EEPROM_MT2060_IF1L + offset;
  		ret = af9015_rw_udev(udev, &req);
  		if (ret)
  			goto error;
  		af9015_config.mt2060_if1[i] += val;
  		deb_info("%s: [%d] MT2060 IF1:%d\n", __func__, i,
  			af9015_config.mt2060_if1[i]);
  
  		/* tuner */
  		req.addr =  AF9015_EEPROM_TUNER_ID1 + offset;
  		ret = af9015_rw_udev(udev, &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:
  			af9015_af9013_config[i].rf_spec_inv = 1;
  			break;
  		case AF9013_TUNER_MXL5003D:
  		case AF9013_TUNER_MXL5005D:
  		case AF9013_TUNER_MXL5005R:
  			af9015_af9013_config[i].rf_spec_inv = 0;
  			break;
  		case AF9013_TUNER_MC44S803:
  			af9015_af9013_config[i].gpio[1] = AF9013_GPIO_LO;
  			af9015_af9013_config[i].rf_spec_inv = 1;
  			break;
  		case AF9013_TUNER_TDA18218:
  			warn("tuner NXP TDA18218 not supported yet");
  			return -ENODEV;
  		default:
  			warn("tuner id:%d not supported, please report!", val);
  			return -ENODEV;
  		};
  
  		af9015_af9013_config[i].tuner = val;
  		deb_info("%s: [%d] tuner id:%d\n", __func__, i, val);
  	}
  
  error:
  	if (ret)
  		err("eeprom read failed:%d", ret);
  
  	/* AverMedia AVerTV Volar Black HD (A850) device have bad EEPROM
  	   content :-( Override some wrong values here. */
  	if (le16_to_cpu(udev->descriptor.idVendor) == USB_VID_AVERMEDIA &&
  	    le16_to_cpu(udev->descriptor.idProduct) == USB_PID_AVERMEDIA_A850) {
  		deb_info("%s: AverMedia A850: overriding config\n", __func__);
  		/* disable dual mode */
  		af9015_config.dual_mode = 0;
  		 /* disable 2nd adapter */
  		for (i = 0; i < af9015_properties_count; i++)
  			af9015_properties[i].num_adapters = 1;
  
  		/* set correct IF */
  		af9015_af9013_config[0].tuner_if = 4570;
  	}
  
  	return ret;
  }
  
  static int af9015_identify_state(struct usb_device *udev,
  				 struct dvb_usb_device_properties *props,
  				 struct dvb_usb_device_description **desc,
  				 int *cold)
  {
  	int ret;
  	u8 reply;
  	struct req_t req = {GET_CONFIG, 0, 0, 0, 0, 1, &reply};
  
  	ret = af9015_rw_udev(udev, &req);
  	if (ret)
  		return ret;
  
  	deb_info("%s: reply:%02x\n", __func__, reply);
  	if (reply == 0x02)
  		*cold = 0;
  	else
  		*cold = 1;
  
  	return ret;
  }
  
  static int af9015_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
  {
  	u8 buf[8];
  	struct req_t req = {GET_IR_CODE, 0, 0, 0, 0, sizeof(buf), buf};
  	struct dvb_usb_rc_key *keymap = d->props.rc_key_map;
  	int i, ret;
  
  	memset(buf, 0, sizeof(buf));
  
  	ret = af9015_ctrl_msg(d, &req);
  	if (ret)
  		return ret;
  
  	*event = 0;
  	*state = REMOTE_NO_KEY_PRESSED;
  
  	for (i = 0; i < d->props.rc_key_map_size; i++) {
  		if (!buf[1] && rc5_custom(&keymap[i]) == buf[0] &&
  		    rc5_data(&keymap[i]) == buf[2]) {
  			*event = keymap[i].event;
  			*state = REMOTE_KEY_PRESSED;
  			break;
  		}
  	}
  	if (!buf[1])
  		deb_rc("%s: %02x %02x %02x %02x %02x %02x %02x %02x\n",
  			__func__, buf[0], buf[1], buf[2], buf[3], buf[4],
  			buf[5], buf[6], buf[7]);
  
  	return 0;
  }
  
  /* init 2nd I2C adapter */
  static int af9015_i2c_init(struct dvb_usb_device *d)
  {
  	int ret;
  	struct af9015_state *state = d->priv;
  	deb_info("%s:\n", __func__);
  
  	strncpy(state->i2c_adap.name, d->desc->name,
  		sizeof(state->i2c_adap.name));
  #ifdef I2C_ADAP_CLASS_TV_DIGITAL
  	state->i2c_adap.class = I2C_ADAP_CLASS_TV_DIGITAL,
  #else
  	state->i2c_adap.class = I2C_CLASS_TV_DIGITAL,
  #endif
  	state->i2c_adap.algo      = d->props.i2c_algo;
  	state->i2c_adap.algo_data = NULL;
  	state->i2c_adap.dev.parent = &d->udev->dev;
  
  	i2c_set_adapdata(&state->i2c_adap, d);
  
  	ret = i2c_add_adapter(&state->i2c_adap);
  	if (ret < 0)
  		err("could not add i2c adapter");
  
  	return ret;
  }
  
  static int af9015_af9013_frontend_attach(struct dvb_usb_adapter *adap)
  {
  	int ret;
  	struct af9015_state *state = adap->dev->priv;
  	struct i2c_adapter *i2c_adap;
  
  	if (adap->id == 0) {
  		/* select I2C adapter */
  		i2c_adap = &adap->dev->i2c_adap;
  
  		deb_info("%s: init I2C\n", __func__);
  		ret = af9015_i2c_init(adap->dev);
  	} else {
  		/* select I2C adapter */
  		i2c_adap = &state->i2c_adap;
  
  		/* copy firmware to 2nd demodulator */
  		if (af9015_config.dual_mode) {
  			ret = af9015_copy_firmware(adap->dev);
  			if (ret) {
  				err("firmware copy to 2nd frontend " \
  					"failed, will disable it");
  				af9015_config.dual_mode = 0;
  				return -ENODEV;
  			}
  		} else {
  			return -ENODEV;
  		}
  	}
  
  	/* attach demodulator */
  	adap->fe = dvb_attach(af9013_attach, &af9015_af9013_config[adap->id],
  		i2c_adap);
  
  	return adap->fe == 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 = 1,
  };
  
  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 int af9015_tuner_attach(struct dvb_usb_adapter *adap)
  {
  	struct af9015_state *state = adap->dev->priv;
  	struct i2c_adapter *i2c_adap;
  	int ret;
  	deb_info("%s: \n", __func__);
  
  	/* select I2C adapter */
  	if (adap->id == 0)
  		i2c_adap = &adap->dev->i2c_adap;
  	else
  		i2c_adap = &state->i2c_adap;
  
  	switch (af9015_af9013_config[adap->id].tuner) {
  	case AF9013_TUNER_MT2060:
  	case AF9013_TUNER_MT2060_2:
  		ret = dvb_attach(mt2060_attach, adap->fe, i2c_adap,
  			&af9015_mt2060_config,
  			af9015_config.mt2060_if1[adap->id])
  			== NULL ? -ENODEV : 0;
  		break;
  	case AF9013_TUNER_QT1010:
  	case AF9013_TUNER_QT1010A:
  		ret = dvb_attach(qt1010_attach, adap->fe, i2c_adap,
  			&af9015_qt1010_config) == NULL ? -ENODEV : 0;
  		break;
  	case AF9013_TUNER_TDA18271:
  		ret = dvb_attach(tda18271_attach, adap->fe, 0xc0, i2c_adap,
  			&af9015_tda18271_config) == NULL ? -ENODEV : 0;
  		break;
  	case AF9013_TUNER_MXL5003D:
  		ret = dvb_attach(mxl5005s_attach, adap->fe, i2c_adap,
  			&af9015_mxl5003_config) == NULL ? -ENODEV : 0;
  		break;
  	case AF9013_TUNER_MXL5005D:
  	case AF9013_TUNER_MXL5005R:
  		ret = dvb_attach(mxl5005s_attach, adap->fe, i2c_adap,
  			&af9015_mxl5005_config) == NULL ? -ENODEV : 0;
  		break;
  	case AF9013_TUNER_ENV77H11D5:
  		ret = dvb_attach(dvb_pll_attach, adap->fe, 0xc0, i2c_adap,
  			DVB_PLL_TDA665X) == NULL ? -ENODEV : 0;
  		break;
  	case AF9013_TUNER_MC44S803:
  		ret = dvb_attach(mc44s803_attach, adap->fe, i2c_adap,
  			&af9015_mc44s803_config) == NULL ? -ENODEV : 0;
  		break;
  	case AF9013_TUNER_UNKNOWN:
  	default:
  		ret = -ENODEV;
  		err("Unknown tuner id:%d",
  			af9015_af9013_config[adap->id].tuner);
  	}
  	return ret;
  }
  
  static struct usb_device_id af9015_usb_table[] = {
  /*  0 */{USB_DEVICE(USB_VID_AFATECH,   USB_PID_AFATECH_AF9015_9015)},
  	{USB_DEVICE(USB_VID_AFATECH,   USB_PID_AFATECH_AF9015_9016)},
  	{USB_DEVICE(USB_VID_LEADTEK,   USB_PID_WINFAST_DTV_DONGLE_GOLD)},
  	{USB_DEVICE(USB_VID_PINNACLE,  USB_PID_PINNACLE_PCTV71E)},
  	{USB_DEVICE(USB_VID_KWORLD_2,  USB_PID_KWORLD_399U)},
  /*  5 */{USB_DEVICE(USB_VID_VISIONPLUS,
  		USB_PID_TINYTWIN)},
  	{USB_DEVICE(USB_VID_VISIONPLUS,
  		USB_PID_AZUREWAVE_AD_TU700)},
  	{USB_DEVICE(USB_VID_TERRATEC,  USB_PID_TERRATEC_CINERGY_T_USB_XE_REV2)},
  	{USB_DEVICE(USB_VID_KWORLD_2,  USB_PID_KWORLD_PC160_2T)},
  	{USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_VOLAR_X)},
  /* 10 */{USB_DEVICE(USB_VID_XTENSIONS, USB_PID_XTENSIONS_XD_380)},
  	{USB_DEVICE(USB_VID_MSI_2,     USB_PID_MSI_DIGIVOX_DUO)},
  	{USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_VOLAR_X_2)},
  	{USB_DEVICE(USB_VID_TELESTAR,  USB_PID_TELESTAR_STARSTICK_2)},
  	{USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A309)},
  /* 15 */{USB_DEVICE(USB_VID_MSI_2,     USB_PID_MSI_DIGI_VOX_MINI_III)},
  	{USB_DEVICE(USB_VID_KWORLD_2,  USB_PID_KWORLD_395U)},
  	{USB_DEVICE(USB_VID_KWORLD_2,  USB_PID_KWORLD_395U_2)},
  	{USB_DEVICE(USB_VID_KWORLD_2,  USB_PID_KWORLD_395U_3)},
  	{USB_DEVICE(USB_VID_AFATECH,   USB_PID_TREKSTOR_DVBT)},
  /* 20 */{USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A850)},
  	{USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A805)},
  	{USB_DEVICE(USB_VID_KWORLD_2,  USB_PID_CONCEPTRONIC_CTVDIGRCU)},
  	{USB_DEVICE(USB_VID_KWORLD_2,  USB_PID_KWORLD_MC810)},
  	{USB_DEVICE(USB_VID_KYE,       USB_PID_GENIUS_TVGO_DVB_T03)},
  /* 25 */{USB_DEVICE(USB_VID_KWORLD_2,  USB_PID_KWORLD_399U_2)},
  	{USB_DEVICE(USB_VID_KWORLD_2,  USB_PID_KWORLD_PC160_T)},
  	{USB_DEVICE(USB_VID_KWORLD_2,  USB_PID_SVEON_STV20)},
  	{USB_DEVICE(USB_VID_KWORLD_2,  USB_PID_TINYTWIN_2)},
  	{USB_DEVICE(USB_VID_LEADTEK,   USB_PID_WINFAST_DTV2000DS)},
  /* 30 */{USB_DEVICE(USB_VID_KWORLD_2,  USB_PID_KWORLD_UB383_T)},
  	{USB_DEVICE(USB_VID_KWORLD_2,  USB_PID_KWORLD_395U_4)},
  	{0},
  };
  MODULE_DEVICE_TABLE(usb, af9015_usb_table);
  
  static struct dvb_usb_device_properties af9015_properties[] = {
  	{
  		.caps = DVB_USB_IS_AN_I2C_ADAPTER,
  
  		.usb_ctrl = DEVICE_SPECIFIC,
  		.download_firmware = af9015_download_firmware,
  		.firmware = "dvb-usb-af9015.fw",
  		.no_reconnect = 1,
  
  		.size_of_priv = sizeof(struct af9015_state),
  
  		.num_adapters = 2,
  		.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,
  
  				.frontend_attach =
  					af9015_af9013_frontend_attach,
  				.tuner_attach    = af9015_tuner_attach,
  				.stream = {
  					.type = USB_BULK,
  					.count = 6,
  					.endpoint = 0x84,
  				},
  			},
  			{
  				.frontend_attach =
  					af9015_af9013_frontend_attach,
  				.tuner_attach    = af9015_tuner_attach,
  				.stream = {
  					.type = USB_BULK,
  					.count = 6,
  					.endpoint = 0x85,
  					.u = {
  						.bulk = {
  							.buffersize =
  						TS_USB20_FRAME_SIZE,
  						}
  					}
  				},
  			}
  		},
  
  		.identify_state = af9015_identify_state,
  
  		.rc_query         = af9015_rc_query,
  		.rc_interval      = 150,
  
  		.i2c_algo = &af9015_i2c_algo,
  
  		.num_device_descs = 9, /* max 9 */
  		.devices = {
  			{
  				.name = "Afatech AF9015 DVB-T USB2.0 stick",
  				.cold_ids = {&af9015_usb_table[0],
  					     &af9015_usb_table[1], NULL},
  				.warm_ids = {NULL},
  			},
  			{
  				.name = "Leadtek WinFast DTV Dongle Gold",
  				.cold_ids = {&af9015_usb_table[2], NULL},
  				.warm_ids = {NULL},
  			},
  			{
  				.name = "Pinnacle PCTV 71e",
  				.cold_ids = {&af9015_usb_table[3], NULL},
  				.warm_ids = {NULL},
  			},
  			{
  				.name = "KWorld PlusTV Dual DVB-T Stick " \
  					"(DVB-T 399U)",
  				.cold_ids = {&af9015_usb_table[4],
  					     &af9015_usb_table[25], NULL},
  				.warm_ids = {NULL},
  			},
  			{
  				.name = "DigitalNow TinyTwin DVB-T Receiver",
  				.cold_ids = {&af9015_usb_table[5],
  					     &af9015_usb_table[28], NULL},
  				.warm_ids = {NULL},
  			},
  			{
  				.name = "TwinHan AzureWave AD-TU700(704J)",
  				.cold_ids = {&af9015_usb_table[6], NULL},
  				.warm_ids = {NULL},
  			},
  			{
  				.name = "TerraTec Cinergy T USB XE",
  				.cold_ids = {&af9015_usb_table[7], NULL},
  				.warm_ids = {NULL},
  			},
  			{
  				.name = "KWorld PlusTV Dual DVB-T PCI " \
  					"(DVB-T PC160-2T)",
  				.cold_ids = {&af9015_usb_table[8], NULL},
  				.warm_ids = {NULL},
  			},
  			{
  				.name = "AVerMedia AVerTV DVB-T Volar X",
  				.cold_ids = {&af9015_usb_table[9], NULL},
  				.warm_ids = {NULL},
  			},
  		}
  	}, {
  		.caps = DVB_USB_IS_AN_I2C_ADAPTER,
  
  		.usb_ctrl = DEVICE_SPECIFIC,
  		.download_firmware = af9015_download_firmware,
  		.firmware = "dvb-usb-af9015.fw",
  		.no_reconnect = 1,
  
  		.size_of_priv = sizeof(struct af9015_state),
  
  		.num_adapters = 2,
  		.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,
  
  				.frontend_attach =
  					af9015_af9013_frontend_attach,
  				.tuner_attach    = af9015_tuner_attach,
  				.stream = {
  					.type = USB_BULK,
  					.count = 6,
  					.endpoint = 0x84,
  				},
  			},
  			{
  				.frontend_attach =
  					af9015_af9013_frontend_attach,
  				.tuner_attach    = af9015_tuner_attach,
  				.stream = {
  					.type = USB_BULK,
  					.count = 6,
  					.endpoint = 0x85,
  					.u = {
  						.bulk = {
  							.buffersize =
  						TS_USB20_FRAME_SIZE,
  						}
  					}
  				},
  			}
  		},
  
  		.identify_state = af9015_identify_state,
  
  		.rc_query         = af9015_rc_query,
  		.rc_interval      = 150,
  
  		.i2c_algo = &af9015_i2c_algo,
  
  		.num_device_descs = 9, /* max 9 */
  		.devices = {
  			{
  				.name = "Xtensions XD-380",
  				.cold_ids = {&af9015_usb_table[10], NULL},
  				.warm_ids = {NULL},
  			},
  			{
  				.name = "MSI DIGIVOX Duo",
  				.cold_ids = {&af9015_usb_table[11], NULL},
  				.warm_ids = {NULL},
  			},
  			{
  				.name = "Fujitsu-Siemens Slim Mobile USB DVB-T",
  				.cold_ids = {&af9015_usb_table[12], NULL},
  				.warm_ids = {NULL},
  			},
  			{
  				.name = "Telestar Starstick 2",
  				.cold_ids = {&af9015_usb_table[13], NULL},
  				.warm_ids = {NULL},
  			},
  			{
  				.name = "AVerMedia A309",
  				.cold_ids = {&af9015_usb_table[14], NULL},
  				.warm_ids = {NULL},
  			},
  			{
  				.name = "MSI Digi VOX mini III",
  				.cold_ids = {&af9015_usb_table[15], NULL},
  				.warm_ids = {NULL},
  			},
  			{
  				.name = "KWorld USB DVB-T TV Stick II " \
  					"(VS-DVB-T 395U)",
  				.cold_ids = {&af9015_usb_table[16],
  					     &af9015_usb_table[17],
  					     &af9015_usb_table[18],
  					     &af9015_usb_table[31], NULL},
  				.warm_ids = {NULL},
  			},
  			{
  				.name = "TrekStor DVB-T USB Stick",
  				.cold_ids = {&af9015_usb_table[19], NULL},
  				.warm_ids = {NULL},
  			},
  			{
  				.name = "AverMedia AVerTV Volar Black HD " \
  					"(A850)",
  				.cold_ids = {&af9015_usb_table[20], NULL},
  				.warm_ids = {NULL},
  			},
  		}
  	}, {
  		.caps = DVB_USB_IS_AN_I2C_ADAPTER,
  
  		.usb_ctrl = DEVICE_SPECIFIC,
  		.download_firmware = af9015_download_firmware,
  		.firmware = "dvb-usb-af9015.fw",
  		.no_reconnect = 1,
  
  		.size_of_priv = sizeof(struct af9015_state),
  
  		.num_adapters = 2,
  		.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,
  
  				.frontend_attach =
  					af9015_af9013_frontend_attach,
  				.tuner_attach    = af9015_tuner_attach,
  				.stream = {
  					.type = USB_BULK,
  					.count = 6,
  					.endpoint = 0x84,
  				},
  			},
  			{
  				.frontend_attach =
  					af9015_af9013_frontend_attach,
  				.tuner_attach    = af9015_tuner_attach,
  				.stream = {
  					.type = USB_BULK,
  					.count = 6,
  					.endpoint = 0x85,
  					.u = {
  						.bulk = {
  							.buffersize =
  						TS_USB20_FRAME_SIZE,
  						}
  					}
  				},
  			}
  		},
  
  		.identify_state = af9015_identify_state,
  
  		.rc_query         = af9015_rc_query,
  		.rc_interval      = 150,
  
  		.i2c_algo = &af9015_i2c_algo,
  
  		.num_device_descs = 8, /* max 9 */
  		.devices = {
  			{
  				.name = "AverMedia AVerTV Volar GPS 805 (A805)",
  				.cold_ids = {&af9015_usb_table[21], NULL},
  				.warm_ids = {NULL},
  			},
  			{
  				.name = "Conceptronic USB2.0 DVB-T CTVDIGRCU " \
  					"V3.0",
  				.cold_ids = {&af9015_usb_table[22], NULL},
  				.warm_ids = {NULL},
  			},
  			{
  				.name = "KWorld Digial MC-810",
  				.cold_ids = {&af9015_usb_table[23], NULL},
  				.warm_ids = {NULL},
  			},
  			{
  				.name = "Genius TVGo DVB-T03",
  				.cold_ids = {&af9015_usb_table[24], NULL},
  				.warm_ids = {NULL},
  			},
  			{
  				.name = "KWorld PlusTV DVB-T PCI Pro Card " \
  					"(DVB-T PC160-T)",
  				.cold_ids = {&af9015_usb_table[26], NULL},
  				.warm_ids = {NULL},
  			},
  			{
  				.name = "Sveon STV20 Tuner USB DVB-T HDTV",
  				.cold_ids = {&af9015_usb_table[27], NULL},
  				.warm_ids = {NULL},
  			},
  			{
  				.name = "Leadtek WinFast DTV2000DS",
  				.cold_ids = {&af9015_usb_table[29], NULL},
  				.warm_ids = {NULL},
  			},
  			{
  				.name = "KWorld USB DVB-T Stick Mobile " \
  					"(UB383-T)",
  				.cold_ids = {&af9015_usb_table[30], NULL},
  				.warm_ids = {NULL},
  			},
  		}
  	},
  };
  
  static int af9015_usb_probe(struct usb_interface *intf,
  			    const struct usb_device_id *id)
  {
  	int ret = 0;
  	struct dvb_usb_device *d = NULL;
  	struct usb_device *udev = interface_to_usbdev(intf);
  	u8 i;
  
  	deb_info("%s: interface:%d\n", __func__,
  		intf->cur_altsetting->desc.bInterfaceNumber);
  
  	/* interface 0 is used by DVB-T receiver and
  	   interface 1 is for remote controller (HID) */
  	if (intf->cur_altsetting->desc.bInterfaceNumber == 0) {
  		ret = af9015_read_config(udev);
  		if (ret)
  			return ret;
  
  		for (i = 0; i < af9015_properties_count; i++) {
  			ret = dvb_usb_device_init(intf, &af9015_properties[i],
  				THIS_MODULE, &d, adapter_nr);
  			if (!ret)
  				break;
  			if (ret != -ENODEV)
  				return ret;
  		}
  		if (ret)
  			return ret;
  
  		if (d)
  			ret = af9015_init(d);
  	}
  
  	return ret;
  }
  
  static void af9015_i2c_exit(struct dvb_usb_device *d)
  {
  	struct af9015_state *state = d->priv;
  	deb_info("%s: \n", __func__);
  
  	/* remove 2nd I2C adapter */
  	if (d->state & DVB_USB_STATE_I2C)
  		i2c_del_adapter(&state->i2c_adap);
  }
  
  static void af9015_usb_device_exit(struct usb_interface *intf)
  {
  	struct dvb_usb_device *d = usb_get_intfdata(intf);
  	deb_info("%s: \n", __func__);
  
  	/* remove 2nd I2C adapter */
  	if (d != NULL && d->desc != NULL)
  		af9015_i2c_exit(d);
  
  	dvb_usb_device_exit(intf);
  }
  
  /* usb specific object needed to register this driver with the usb subsystem */
  static struct usb_driver af9015_usb_driver = {
  	.name = "dvb_usb_af9015",
  	.probe = af9015_usb_probe,
  	.disconnect = af9015_usb_device_exit,
  	.id_table = af9015_usb_table,
  };
  
  /* module stuff */
  static int __init af9015_usb_module_init(void)
  {
  	int ret;
  	ret = usb_register(&af9015_usb_driver);
  	if (ret)
  		err("module init failed:%d", ret);
  
  	return ret;
  }
  
  static void __exit af9015_usb_module_exit(void)
  {
  	/* deregister this driver from the USB subsystem */
  	usb_deregister(&af9015_usb_driver);
  }
  
  module_init(af9015_usb_module_init);
  module_exit(af9015_usb_module_exit);
  
  MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
  MODULE_DESCRIPTION("Driver for Afatech AF9015 DVB-T");
  MODULE_LICENSE("GPL");
  