[media] az6007: convert it to use dvb-usb-v2

Change it to use dvb-usb-v2. The driver should be working as before.
The only functional changes should be at the driver debug logs.

This driver needs the cypress firmware load, so, auto-selects it.

Acked-by: Antti Palosaari <crope@iki.fi>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

3 files changed, 0 insertions, 966 deletions

diff --git a/drivers/media/dvb/dvb-usb/Kconfig b/drivers/media/dvb/dvb-usb/Kconfig
index 67b91b74976f..29bba9a24875 100644
--- a/drivers/media/dvb/dvb-usb/Kconfig
+++ b/drivers/media/dvb/dvb-usb/Kconfig
@@ -296,14 +296,6 @@ config DVB_USB_FRIIO
 	help
 	  Say Y here to support the Japanese DTV receiver Friio.
 
-config DVB_USB_AZ6007
-	tristate "AzureWave 6007 and clones DVB-T/C USB2.0 support"
-	depends on DVB_USB
-	select DVB_DRXK if !DVB_FE_CUSTOMISE
-	select MEDIA_TUNER_MT2063 if !DVB_FE_CUSTOMISE
-	help
-	  Say Y here to support theAfatech AF9005 based DVB-T/DVB-C receivers.
-
 config DVB_USB_AZ6027
 	tristate "Azurewave DVB-S/S2 USB2.0 AZ6027 support"
 	depends on DVB_USB
diff --git a/drivers/media/dvb/dvb-usb/Makefile b/drivers/media/dvb/dvb-usb/Makefile
index 4b70599b38d9..5261c7dae982 100644
--- a/drivers/media/dvb/dvb-usb/Makefile
+++ b/drivers/media/dvb/dvb-usb/Makefile
@@ -69,9 +69,6 @@ obj-$(CONFIG_DVB_USB_CINERGY_T2) += dvb-usb-cinergyT2.o
 dvb-usb-friio-objs = friio.o friio-fe.o
 obj-$(CONFIG_DVB_USB_FRIIO) += dvb-usb-friio.o
 
-dvb-usb-az6007-objs = az6007.o
-obj-$(CONFIG_DVB_USB_AZ6007) += dvb-usb-az6007.o
-
 dvb-usb-az6027-objs = az6027.o
 obj-$(CONFIG_DVB_USB_AZ6027) += dvb-usb-az6027.o
 
diff --git a/drivers/media/dvb/dvb-usb/az6007.c b/drivers/media/dvb/dvb-usb/az6007.c
deleted file mode 100644
index 86861e6f86d2..000000000000
--- a/drivers/media/dvb/dvb-usb/az6007.c
+++ /dev/null
@@ -1,955 +0,0 @@
-/*
- * Driver for AzureWave 6007 DVB-C/T USB2.0 and clones
- *
- * Copyright (c) Henry Wang <Henry.wang@AzureWave.com>
- *
- * This driver was made publicly available by Terratec, at:
- *	http://linux.terratec.de/files/TERRATEC_H7/20110323_TERRATEC_H7_Linux.tar.gz
- * The original driver's license is GPL, as declared with MODULE_LICENSE()
- *
- * Copyright (c) 2010-2011 Mauro Carvalho Chehab <mchehab@redhat.com>
- *	Driver modified by in order to work with upstream drxk driver, and
- *	tons of bugs got fixed.
- *
- * 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 under version 2 of the License.
- *
- * 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.
- */
-
-#include "drxk.h"
-#include "mt2063.h"
-#include "dvb_ca_en50221.h"
-
-#define DVB_USB_LOG_PREFIX "az6007"
-#include "dvb-usb.h"
-
-/* debug */
-int dvb_usb_az6007_debug;
-module_param_named(debug, dvb_usb_az6007_debug, int, 0644);
-MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,rc=4 (or-able))."
-		 DVB_USB_DEBUG_STATUS);
-
-#define deb_info(args...) dprintk(dvb_usb_az6007_debug, 0x01, args)
-#define deb_xfer(args...) dprintk(dvb_usb_az6007_debug, 0x02, args)
-#define deb_rc(args...)   dprintk(dvb_usb_az6007_debug, 0x04, args)
-#define deb_fe(args...)   dprintk(dvb_usb_az6007_debug, 0x08, args)
-
-DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
-
-/* Known requests (Cypress FX2 firmware + az6007 "private" ones*/
-
-#define FX2_OED			0xb5
-#define AZ6007_READ_DATA	0xb7
-#define AZ6007_I2C_RD		0xb9
-#define AZ6007_POWER		0xbc
-#define AZ6007_I2C_WR		0xbd
-#define FX2_SCON1		0xc0
-#define AZ6007_TS_THROUGH	0xc7
-#define AZ6007_READ_IR		0xb4
-
-struct az6007_device_state {
-	struct mutex		mutex;
-	struct mutex		ca_mutex;
-	struct dvb_ca_en50221	ca;
-	unsigned		warm:1;
-	int			(*gate_ctrl) (struct dvb_frontend *, int);
-	unsigned char		data[4096];
-};
-
-static struct drxk_config terratec_h7_drxk = {
-	.adr = 0x29,
-	.parallel_ts = true,
-	.dynamic_clk = true,
-	.single_master = true,
-	.enable_merr_cfg = true,
-	.no_i2c_bridge = false,
-	.chunk_size = 64,
-	.mpeg_out_clk_strength = 0x02,
-	.microcode_name = "dvb-usb-terratec-h7-drxk.fw",
-};
-
-static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
-{
-	struct dvb_usb_adapter *adap = fe->sec_priv;
-	struct az6007_device_state *st;
-	int status = 0;
-
-	deb_info("%s: %s\n", __func__, enable ? "enable" : "disable");
-
-	if (!adap)
-		return -EINVAL;
-
-	st = adap->dev->priv;
-
-	if (!st)
-		return -EINVAL;
-
-	if (enable)
-		status = st->gate_ctrl(fe, 1);
-	else
-		status = st->gate_ctrl(fe, 0);
-
-	return status;
-}
-
-static struct mt2063_config az6007_mt2063_config = {
-	.tuner_address = 0x60,
-	.refclock = 36125000,
-};
-
-static int __az6007_read(struct usb_device *udev, u8 req, u16 value,
-			    u16 index, u8 *b, int blen)
-{
-	int ret;
-
-	ret = usb_control_msg(udev,
-			      usb_rcvctrlpipe(udev, 0),
-			      req,
-			      USB_TYPE_VENDOR | USB_DIR_IN,
-			      value, index, b, blen, 5000);
-	if (ret < 0) {
-		warn("usb read operation failed. (%d)", ret);
-		return -EIO;
-	}
-
-	deb_xfer("in: req. %02x, val: %04x, ind: %04x, buffer: ", req, value,
-		 index);
-	debug_dump(b, blen, deb_xfer);
-
-	return ret;
-}
-
-static int az6007_read(struct dvb_usb_device *d, u8 req, u16 value,
-			    u16 index, u8 *b, int blen)
-{
-	struct az6007_device_state *st = d->priv;
-	int ret;
-
-	if (mutex_lock_interruptible(&st->mutex) < 0)
-		return -EAGAIN;
-
-	ret = __az6007_read(d->udev, req, value, index, b, blen);
-
-	mutex_unlock(&st->mutex);
-
-	return ret;
-}
-
-static int __az6007_write(struct usb_device *udev, u8 req, u16 value,
-			     u16 index, u8 *b, int blen)
-{
-	int ret;
-
-	deb_xfer("out: req. %02x, val: %04x, ind: %04x, buffer: ", req, value,
-		 index);
-	debug_dump(b, blen, deb_xfer);
-
-	if (blen > 64) {
-		err("az6007: tried to write %d bytes, but I2C max size is 64 bytes\n",
-		    blen);
-		return -EOPNOTSUPP;
-	}
-
-	ret = usb_control_msg(udev,
-			      usb_sndctrlpipe(udev, 0),
-			      req,
-			      USB_TYPE_VENDOR | USB_DIR_OUT,
-			      value, index, b, blen, 5000);
-	if (ret != blen) {
-		err("usb write operation failed. (%d)", ret);
-		return -EIO;
-	}
-
-	return 0;
-}
-
-static int az6007_write(struct dvb_usb_device *d, u8 req, u16 value,
-			    u16 index, u8 *b, int blen)
-{
-	struct az6007_device_state *st = d->priv;
-	int ret;
-
-	if (mutex_lock_interruptible(&st->mutex) < 0)
-		return -EAGAIN;
-
-	ret = __az6007_write(d->udev, req, value, index, b, blen);
-
-	mutex_unlock(&st->mutex);
-
-	return ret;
-}
-
-static int az6007_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
-{
-	struct dvb_usb_device *d = adap->dev;
-
-	deb_info("%s: %s", __func__, onoff ? "enable" : "disable");
-
-	return az6007_write(d, 0xbc, onoff, 0, NULL, 0);
-}
-
-/* remote control stuff (does not work with my box) */
-static int az6007_rc_query(struct dvb_usb_device *d)
-{
-	struct az6007_device_state *st = d->priv;
-	unsigned code = 0;
-
-	az6007_read(d, AZ6007_READ_IR, 0, 0, st->data, 10);
-
-	if (st->data[1] == 0x44)
-		return 0;
-
-	if ((st->data[1] ^ st->data[2]) == 0xff)
-		code = st->data[1];
-	else
-		code = st->data[1] << 8 | st->data[2];
-
-	if ((st->data[3] ^ st->data[4]) == 0xff)
-		code = code << 8 | st->data[3];
-	else
-		code = code << 16 | st->data[3] << 8 | st->data[4];
-
-	rc_keydown(d->rc_dev, code, st->data[5]);
-
-	return 0;
-}
-
-static int az6007_ci_read_attribute_mem(struct dvb_ca_en50221 *ca,
-					int slot,
-					int address)
-{
-	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
-	struct az6007_device_state *state = (struct az6007_device_state *)d->priv;
-
-	int ret;
-	u8 req;
-	u16 value;
-	u16 index;
-	int blen;
-	u8 *b;
-
-	if (slot != 0)
-		return -EINVAL;
-
-	b = kmalloc(12, GFP_KERNEL);
-	if (!b)
-		return -ENOMEM;
-
-	mutex_lock(&state->ca_mutex);
-
-	req = 0xC1;
-	value = address;
-	index = 0;
-	blen = 1;
-
-	ret = az6007_read(d, req, value, index, b, blen);
-	if (ret < 0) {
-		warn("usb in operation failed. (%d)", ret);
-		ret = -EINVAL;
-	} else {
-		ret = b[0];
-	}
-
-	mutex_unlock(&state->ca_mutex);
-	kfree(b);
-	return ret;
-}
-
-static int az6007_ci_write_attribute_mem(struct dvb_ca_en50221 *ca,
-					 int slot,
-					 int address,
-					 u8 value)
-{
-	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
-	struct az6007_device_state *state = (struct az6007_device_state *)d->priv;
-
-	int ret;
-	u8 req;
-	u16 value1;
-	u16 index;
-	int blen;
-
-	deb_info("%s %d", __func__, slot);
-	if (slot != 0)
-		return -EINVAL;
-
-	mutex_lock(&state->ca_mutex);
-	req = 0xC2;
-	value1 = address;
-	index = value;
-	blen = 0;
-
-	ret = az6007_write(d, req, value1, index, NULL, blen);
-	if (ret != 0)
-		warn("usb out operation failed. (%d)", ret);
-
-	mutex_unlock(&state->ca_mutex);
-	return ret;
-}
-
-static int az6007_ci_read_cam_control(struct dvb_ca_en50221 *ca,
-				      int slot,
-				      u8 address)
-{
-	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
-	struct az6007_device_state *state = (struct az6007_device_state *)d->priv;
-
-	int ret;
-	u8 req;
-	u16 value;
-	u16 index;
-	int blen;
-	u8 *b;
-
-	if (slot != 0)
-		return -EINVAL;
-
-	b = kmalloc(12, GFP_KERNEL);
-	if (!b)
-		return -ENOMEM;
-
-	mutex_lock(&state->ca_mutex);
-
-	req = 0xC3;
-	value = address;
-	index = 0;
-	blen = 2;
-
-	ret = az6007_read(d, req, value, index, b, blen);
-	if (ret < 0) {
-		warn("usb in operation failed. (%d)", ret);
-		ret = -EINVAL;
-	} else {
-		if (b[0] == 0)
-			warn("Read CI IO error");
-
-		ret = b[1];
-		deb_info("read cam data = %x from 0x%x", b[1], value);
-	}
-
-	mutex_unlock(&state->ca_mutex);
-	kfree(b);
-	return ret;
-}
-
-static int az6007_ci_write_cam_control(struct dvb_ca_en50221 *ca,
-				       int slot,
-				       u8 address,
-				       u8 value)
-{
-	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
-	struct az6007_device_state *state = (struct az6007_device_state *)d->priv;
-
-	int ret;
-	u8 req;
-	u16 value1;
-	u16 index;
-	int blen;
-
-	if (slot != 0)
-		return -EINVAL;
-
-	mutex_lock(&state->ca_mutex);
-	req = 0xC4;
-	value1 = address;
-	index = value;
-	blen = 0;
-
-	ret = az6007_write(d, req, value1, index, NULL, blen);
-	if (ret != 0) {
-		warn("usb out operation failed. (%d)", ret);
-		goto failed;
-	}
-
-failed:
-	mutex_unlock(&state->ca_mutex);
-	return ret;
-}
-
-static int CI_CamReady(struct dvb_ca_en50221 *ca, int slot)
-{
-	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
-
-	int ret;
-	u8 req;
-	u16 value;
-	u16 index;
-	int blen;
-	u8 *b;
-
-	b = kmalloc(12, GFP_KERNEL);
-	if (!b)
-		return -ENOMEM;
-
-	req = 0xC8;
-	value = 0;
-	index = 0;
-	blen = 1;
-
-	ret = az6007_read(d, req, value, index, b, blen);
-	if (ret < 0) {
-		warn("usb in operation failed. (%d)", ret);
-		ret = -EIO;
-	} else{
-		ret = b[0];
-	}
-	kfree(b);
-	return ret;
-}
-
-static int az6007_ci_slot_reset(struct dvb_ca_en50221 *ca, int slot)
-{
-	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
-	struct az6007_device_state *state = (struct az6007_device_state *)d->priv;
-
-	int ret, i;
-	u8 req;
-	u16 value;
-	u16 index;
-	int blen;
-
-	mutex_lock(&state->ca_mutex);
-
-	req = 0xC6;
-	value = 1;
-	index = 0;
-	blen = 0;
-
-	ret = az6007_write(d, req, value, index, NULL, blen);
-	if (ret != 0) {
-		warn("usb out operation failed. (%d)", ret);
-		goto failed;
-	}
-
-	msleep(500);
-	req = 0xC6;
-	value = 0;
-	index = 0;
-	blen = 0;
-
-	ret = az6007_write(d, req, value, index, NULL, blen);
-	if (ret != 0) {
-		warn("usb out operation failed. (%d)", ret);
-		goto failed;
-	}
-
-	for (i = 0; i < 15; i++) {
-		msleep(100);
-
-		if (CI_CamReady(ca, slot)) {
-			deb_info("CAM Ready");
-			break;
-		}
-	}
-	msleep(5000);
-
-failed:
-	mutex_unlock(&state->ca_mutex);
-	return ret;
-}
-
-static int az6007_ci_slot_shutdown(struct dvb_ca_en50221 *ca, int slot)
-{
-	return 0;
-}
-
-static int az6007_ci_slot_ts_enable(struct dvb_ca_en50221 *ca, int slot)
-{
-	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
-	struct az6007_device_state *state = (struct az6007_device_state *)d->priv;
-
-	int ret;
-	u8 req;
-	u16 value;
-	u16 index;
-	int blen;
-
-	deb_info("%s", __func__);
-	mutex_lock(&state->ca_mutex);
-	req = 0xC7;
-	value = 1;
-	index = 0;
-	blen = 0;
-
-	ret = az6007_write(d, req, value, index, NULL, blen);
-	if (ret != 0) {
-		warn("usb out operation failed. (%d)", ret);
-		goto failed;
-	}
-
-failed:
-	mutex_unlock(&state->ca_mutex);
-	return ret;
-}
-
-static int az6007_ci_poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open)
-{
-	struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
-	struct az6007_device_state *state = (struct az6007_device_state *)d->priv;
-	int ret;
-	u8 req;
-	u16 value;
-	u16 index;
-	int blen;
-	u8 *b;
-
-	b = kmalloc(12, GFP_KERNEL);
-	if (!b)
-		return -ENOMEM;
-	mutex_lock(&state->ca_mutex);
-
-	req = 0xC5;
-	value = 0;
-	index = 0;
-	blen = 1;
-
-	ret = az6007_read(d, req, value, index, b, blen);
-	if (ret < 0) {
-		warn("usb in operation failed. (%d)", ret);
-		ret = -EIO;
-	} else
-		ret = 0;
-
-	if (!ret && b[0] == 1) {
-		ret = DVB_CA_EN50221_POLL_CAM_PRESENT |
-		      DVB_CA_EN50221_POLL_CAM_READY;
-	}
-
-	mutex_unlock(&state->ca_mutex);
-	kfree(b);
-	return ret;
-}
-
-
-static void az6007_ci_uninit(struct dvb_usb_device *d)
-{
-	struct az6007_device_state *state;
-
-	deb_info("%s", __func__);
-
-	if (NULL == d)
-		return;
-
-	state = (struct az6007_device_state *)d->priv;
-	if (NULL == state)
-		return;
-
-	if (NULL == state->ca.data)
-		return;
-
-	dvb_ca_en50221_release(&state->ca);
-
-	memset(&state->ca, 0, sizeof(state->ca));
-}
-
-
-static int az6007_ci_init(struct dvb_usb_adapter *a)
-{
-	struct dvb_usb_device *d = a->dev;
-	struct az6007_device_state *state = (struct az6007_device_state *)d->priv;
-	int ret;
-
-	deb_info("%s", __func__);
-
-	mutex_init(&state->ca_mutex);
-
-	state->ca.owner			= THIS_MODULE;
-	state->ca.read_attribute_mem	= az6007_ci_read_attribute_mem;
-	state->ca.write_attribute_mem	= az6007_ci_write_attribute_mem;
-	state->ca.read_cam_control	= az6007_ci_read_cam_control;
-	state->ca.write_cam_control	= az6007_ci_write_cam_control;
-	state->ca.slot_reset		= az6007_ci_slot_reset;
-	state->ca.slot_shutdown		= az6007_ci_slot_shutdown;
-	state->ca.slot_ts_enable	= az6007_ci_slot_ts_enable;
-	state->ca.poll_slot_status	= az6007_ci_poll_slot_status;
-	state->ca.data			= d;
-
-	ret = dvb_ca_en50221_init(&a->dvb_adap,
-				  &state->ca,
-				  0, /* flags */
-				  1);/* n_slots */
-	if (ret != 0) {
-		err("Cannot initialize CI: Error %d.", ret);
-		memset(&state->ca, 0, sizeof(state->ca));
-		return ret;
-	}
-
-	deb_info("CI initialized.");
-
-	return 0;
-}
-
-static int az6007_read_mac_addr(struct dvb_usb_device *d, u8 mac[6])
-{
-	struct az6007_device_state *st = d->priv;
-	int ret;
-
-	ret = az6007_read(d, AZ6007_READ_DATA, 6, 0, st->data, 6);
-	memcpy(mac, st->data, 6);
-
-	if (ret > 0)
-		deb_info("%s: mac is %pM\n", __func__, mac);
-
-	return ret;
-}
-
-static int az6007_frontend_attach(struct dvb_usb_adapter *adap)
-{
-	struct az6007_device_state *st = adap->dev->priv;
-
-	deb_info("attaching demod drxk");
-
-	adap->fe_adap[0].fe = dvb_attach(drxk_attach, &terratec_h7_drxk,
-					 &adap->dev->i2c_adap);
-	if (!adap->fe_adap[0].fe)
-		return -EINVAL;
-
-	adap->fe_adap[0].fe->sec_priv = adap;
-	st->gate_ctrl = adap->fe_adap[0].fe->ops.i2c_gate_ctrl;
-	adap->fe_adap[0].fe->ops.i2c_gate_ctrl = drxk_gate_ctrl;
-
-	az6007_ci_init(adap);
-
-	return 0;
-}
-
-static int az6007_tuner_attach(struct dvb_usb_adapter *adap)
-{
-	deb_info("attaching tuner mt2063");
-
-	/* Attach mt2063 to DVB-C frontend */
-	if (adap->fe_adap[0].fe->ops.i2c_gate_ctrl)
-		adap->fe_adap[0].fe->ops.i2c_gate_ctrl(adap->fe_adap[0].fe, 1);
-	if (!dvb_attach(mt2063_attach, adap->fe_adap[0].fe,
-			&az6007_mt2063_config,
-			&adap->dev->i2c_adap))
-		return -EINVAL;
-
-	if (adap->fe_adap[0].fe->ops.i2c_gate_ctrl)
-		adap->fe_adap[0].fe->ops.i2c_gate_ctrl(adap->fe_adap[0].fe, 0);
-
-	return 0;
-}
-
-int az6007_power_ctrl(struct dvb_usb_device *d, int onoff)
-{
-	struct az6007_device_state *st = d->priv;
-	int ret;
-
-	deb_info("%s()\n", __func__);
-
-	if (!st->warm) {
-		mutex_init(&st->mutex);
-
-		ret = az6007_write(d, AZ6007_POWER, 0, 2, NULL, 0);
-		if (ret < 0)
-			return ret;
-		msleep(60);
-		ret = az6007_write(d, AZ6007_POWER, 1, 4, NULL, 0);
-		if (ret < 0)
-			return ret;
-		msleep(100);
-		ret = az6007_write(d, AZ6007_POWER, 1, 3, NULL, 0);
-		if (ret < 0)
-			return ret;
-		msleep(20);
-		ret = az6007_write(d, AZ6007_POWER, 1, 4, NULL, 0);
-		if (ret < 0)
-			return ret;
-
-		msleep(400);
-		ret = az6007_write(d, FX2_SCON1, 0, 3, NULL, 0);
-		if (ret < 0)
-			return ret;
-		msleep(150);
-		ret = az6007_write(d, FX2_SCON1, 1, 3, NULL, 0);
-		if (ret < 0)
-			return ret;
-		msleep(430);
-		ret = az6007_write(d, AZ6007_POWER, 0, 0, NULL, 0);
-		if (ret < 0)
-			return ret;
-
-		st->warm = true;
-
-		return 0;
-	}
-
-	if (!onoff)
-		return 0;
-
-	az6007_write(d, AZ6007_POWER, 0, 0, NULL, 0);
-	az6007_write(d, AZ6007_TS_THROUGH, 0, 0, NULL, 0);
-
-	return 0;
-}
-
-/* I2C */
-static int az6007_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[],
-			   int num)
-{
-	struct dvb_usb_device *d = i2c_get_adapdata(adap);
-	struct az6007_device_state *st = d->priv;
-	int i, j, len;
-	int ret = 0;
-	u16 index;
-	u16 value;
-	int length;
-	u8 req, addr;
-
-	if (mutex_lock_interruptible(&st->mutex) < 0)
-		return -EAGAIN;
-
-	for (i = 0; i < num; i++) {
-		addr = msgs[i].addr << 1;
-		if (((i + 1) < num)
-		    && (msgs[i].len == 1)
-		    && (!msgs[i].flags & I2C_M_RD)
-		    && (msgs[i + 1].flags & I2C_M_RD)
-		    && (msgs[i].addr == msgs[i + 1].addr)) {
-			/*
-			 * A write + read xfer for the same address, where
-			 * the first xfer has just 1 byte length.
-			 * Need to join both into one operation
-			 */
-			if (dvb_usb_az6007_debug & 2)
-				printk(KERN_DEBUG
-				       "az6007 I2C xfer write+read addr=0x%x len=%d/%d: ",
-				       addr, msgs[i].len, msgs[i + 1].len);
-			req = AZ6007_I2C_RD;
-			index = msgs[i].buf[0];
-			value = addr | (1 << 8);
-			length = 6 + msgs[i + 1].len;
-			len = msgs[i + 1].len;
-			ret = __az6007_read(d->udev, req, value, index,
-					    st->data, length);
-			if (ret >= len) {
-				for (j = 0; j < len; j++) {
-					msgs[i + 1].buf[j] = st->data[j + 5];
-					if (dvb_usb_az6007_debug & 2)
-						printk(KERN_CONT
-						       "0x%02x ",
-						       msgs[i + 1].buf[j]);
-				}
-			} else
-				ret = -EIO;
-			i++;
-		} else if (!(msgs[i].flags & I2C_M_RD)) {
-			/* write bytes */
-			if (dvb_usb_az6007_debug & 2)
-				printk(KERN_DEBUG
-				       "az6007 I2C xfer write addr=0x%x len=%d: ",
-				       addr, msgs[i].len);
-			req = AZ6007_I2C_WR;
-			index = msgs[i].buf[0];
-			value = addr | (1 << 8);
-			length = msgs[i].len - 1;
-			len = msgs[i].len - 1;
-			if (dvb_usb_az6007_debug & 2)
-				printk(KERN_CONT "(0x%02x) ", msgs[i].buf[0]);
-			for (j = 0; j < len; j++) {
-				st->data[j] = msgs[i].buf[j + 1];
-				if (dvb_usb_az6007_debug & 2)
-					printk(KERN_CONT "0x%02x ",
-					       st->data[j]);
-			}
-			ret =  __az6007_write(d->udev, req, value, index,
-					      st->data, length);
-		} else {
-			/* read bytes */
-			if (dvb_usb_az6007_debug & 2)
-				printk(KERN_DEBUG
-				       "az6007 I2C xfer read addr=0x%x len=%d: ",
-				       addr, msgs[i].len);
-			req = AZ6007_I2C_RD;
-			index = msgs[i].buf[0];
-			value = addr;
-			length = msgs[i].len + 6;
-			len = msgs[i].len;
-			ret = __az6007_read(d->udev, req, value, index,
-					    st->data, length);
-			for (j = 0; j < len; j++) {
-				msgs[i].buf[j] = st->data[j + 5];
-				if (dvb_usb_az6007_debug & 2)
-					printk(KERN_CONT
-					       "0x%02x ", st->data[j + 5]);
-			}
-		}
-		if (dvb_usb_az6007_debug & 2)
-			printk(KERN_CONT "\n");
-		if (ret < 0)
-			goto err;
-	}
-err:
-	mutex_unlock(&st->mutex);
-
-	if (ret < 0) {
-		info("%s ERROR: %i", __func__, ret);
-		return ret;
-	}
-	return num;
-}
-
-static u32 az6007_i2c_func(struct i2c_adapter *adapter)
-{
-	return I2C_FUNC_I2C;
-}
-
-static struct i2c_algorithm az6007_i2c_algo = {
-	.master_xfer = az6007_i2c_xfer,
-	.functionality = az6007_i2c_func,
-};
-
-int az6007_identify_state(struct usb_device *udev,
-			  struct dvb_usb_device_properties *props,
-			  struct dvb_usb_device_description **desc, int *cold)
-{
-	int ret;
-	u8 *mac;
-
-	mac = kmalloc(6, GFP_ATOMIC);
-	if (!mac)
-		return -ENOMEM;
-
-	/* Try to read the mac address */
-	ret = __az6007_read(udev, AZ6007_READ_DATA, 6, 0, mac, 6);
-	if (ret == 6)
-		*cold = 0;
-	else
-		*cold = 1;
-
-	kfree(mac);
-
-	if (*cold) {
-		__az6007_write(udev, 0x09, 1, 0, NULL, 0);
-		__az6007_write(udev, 0x00, 0, 0, NULL, 0);
-		__az6007_write(udev, 0x00, 0, 0, NULL, 0);
-	}
-
-	deb_info("Device is on %s state\n", *cold ? "warm" : "cold");
-	return 0;
-}
-
-static struct dvb_usb_device_properties az6007_properties;
-
-static void az6007_usb_disconnect(struct usb_interface *intf)
-{
-	struct dvb_usb_device *d = usb_get_intfdata(intf);
-	az6007_ci_uninit(d);
-	dvb_usb_device_exit(intf);
-}
-
-static int az6007_usb_probe(struct usb_interface *intf,
-			    const struct usb_device_id *id)
-{
-	return dvb_usb_device_init(intf, &az6007_properties,
-				   THIS_MODULE, NULL, adapter_nr);
-}
-
-static struct usb_device_id az6007_usb_table[] = {
-	{USB_DEVICE(USB_VID_AZUREWAVE, USB_PID_AZUREWAVE_6007)},
-	{USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_H7)},
-	{USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_H7_2)},
-	{0},
-};
-
-MODULE_DEVICE_TABLE(usb, az6007_usb_table);
-
-static struct dvb_usb_device_properties az6007_properties = {
-	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
-	.usb_ctrl = CYPRESS_FX2,
-	.firmware            = "dvb-usb-terratec-h7-az6007.fw",
-	.no_reconnect        = 1,
-	.size_of_priv        = sizeof(struct az6007_device_state),
-	.identify_state	     = az6007_identify_state,
-	.num_adapters = 1,
-	.adapter = {
-		{
-		.num_frontends = 1,
-		.fe = {{
-			.streaming_ctrl   = az6007_streaming_ctrl,
-			.tuner_attach     = az6007_tuner_attach,
-			.frontend_attach  = az6007_frontend_attach,
-
-			/* parameter for the MPEG2-data transfer */
-			.stream = {
-				.type = USB_BULK,
-				.count = 10,
-				.endpoint = 0x02,
-				.u = {
-					.bulk = {
-						.buffersize = 4096,
-					}
-				}
-			},
-		} }
-	} },
-	.power_ctrl       = az6007_power_ctrl,
-	.read_mac_address = az6007_read_mac_addr,
-
-	.rc.core = {
-		.rc_interval      = 400,
-		.rc_codes         = RC_MAP_NEC_TERRATEC_CINERGY_XS,
-		.module_name	  = "az6007",
-		.rc_query         = az6007_rc_query,
-		.allowed_protos   = RC_TYPE_NEC,
-	},
-	.i2c_algo         = &az6007_i2c_algo,
-
-	.num_device_descs = 2,
-	.devices = {
-		{ .name = "AzureWave DTV StarBox DVB-T/C USB2.0 (az6007)",
-		  .cold_ids = { &az6007_usb_table[0], NULL },
-		  .warm_ids = { NULL },
-		},
-		{ .name = "TerraTec DTV StarBox DVB-T/C USB2.0 (az6007)",
-		  .cold_ids = { &az6007_usb_table[1], &az6007_usb_table[2], NULL },
-		  .warm_ids = { NULL },
-		},
-		{ NULL },
-	}
-};
-
-/* usb specific object needed to register this driver with the usb subsystem */
-static struct usb_driver az6007_usb_driver = {
-	.name		= "dvb_usb_az6007",
-	.probe		= az6007_usb_probe,
-	.disconnect	= az6007_usb_disconnect,
-	.id_table	= az6007_usb_table,
-};
-
-/* module stuff */
-static int __init az6007_usb_module_init(void)
-{
-	int result;
-	deb_info("az6007 usb module init\n");
-
-	result = usb_register(&az6007_usb_driver);
-	if (result) {
-		err("usb_register failed. (%d)", result);
-		return result;
-	}
-
-	return 0;
-}
-
-static void __exit az6007_usb_module_exit(void)
-{
-	/* deregister this driver from the USB subsystem */
-	deb_info("az6007 usb module exit\n");
-	usb_deregister(&az6007_usb_driver);
-}
-
-module_init(az6007_usb_module_init);
-module_exit(az6007_usb_module_exit);
-
-MODULE_AUTHOR("Henry Wang <Henry.wang@AzureWave.com>");
-MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@redhat.com>");
-MODULE_DESCRIPTION("Driver for AzureWave 6007 DVB-C/T USB2.0 and clones");
-MODULE_VERSION("1.1");
-MODULE_LICENSE("GPL");