Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

11 files changed, 6469 insertions, 0 deletions

diff --git a/drivers/media/usb/go7007/Kconfig b/drivers/media/usb/go7007/Kconfig
new file mode 100644
index 000000000..b2a15d9fb
--- /dev/null
+++ b/drivers/media/usb/go7007/Kconfig
@@ -0,0 +1,52 @@
+# SPDX-License-Identifier: GPL-2.0-only
+config VIDEO_GO7007
+	tristate "WIS GO7007 MPEG encoder support"
+	depends on VIDEO_DEV && I2C
+	depends on SND && USB
+	select VIDEOBUF2_VMALLOC
+	select VIDEO_TUNER
+	select CYPRESS_FIRMWARE
+	select SND_PCM
+	select VIDEO_SONY_BTF_MPX if MEDIA_SUBDRV_AUTOSELECT
+	select VIDEO_SAA711X if MEDIA_SUBDRV_AUTOSELECT
+	select VIDEO_TW2804 if MEDIA_SUBDRV_AUTOSELECT
+	select VIDEO_TW9903 if MEDIA_SUBDRV_AUTOSELECT
+	select VIDEO_TW9906 if MEDIA_SUBDRV_AUTOSELECT
+	select VIDEO_UDA1342 if MEDIA_SUBDRV_AUTOSELECT
+	select VIDEO_OV7640 if MEDIA_SUBDRV_AUTOSELECT && VIDEO_CAMERA_SENSOR
+	help
+	  This is a video4linux driver for the WIS GO7007 MPEG
+	  encoder chip.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called go7007.
+
+config VIDEO_GO7007_USB
+	tristate "WIS GO7007 USB support"
+	depends on VIDEO_GO7007 && USB
+	help
+	  This is a video4linux driver for the WIS GO7007 MPEG
+	  encoder chip over USB.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called go7007-usb.
+
+config VIDEO_GO7007_LOADER
+	tristate "WIS GO7007 Loader support"
+	depends on VIDEO_GO7007
+	default y
+	help
+	  This is a go7007 firmware loader driver for the WIS GO7007
+	  MPEG encoder chip over USB.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called go7007-loader.
+
+config VIDEO_GO7007_USB_S2250_BOARD
+	tristate "Sensoray 2250/2251 support"
+	depends on VIDEO_GO7007_USB && USB
+	help
+	  This is a video4linux driver for the Sensoray 2250/2251 device.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called s2250.
diff --git a/drivers/media/usb/go7007/Makefile b/drivers/media/usb/go7007/Makefile
new file mode 100644
index 000000000..712a3507f
--- /dev/null
+++ b/drivers/media/usb/go7007/Makefile
@@ -0,0 +1,12 @@
+# SPDX-License-Identifier: GPL-2.0
+obj-$(CONFIG_VIDEO_GO7007) += go7007.o
+obj-$(CONFIG_VIDEO_GO7007_USB) += go7007-usb.o
+obj-$(CONFIG_VIDEO_GO7007_LOADER) += go7007-loader.o
+obj-$(CONFIG_VIDEO_GO7007_USB_S2250_BOARD) += s2250.o
+
+go7007-y := go7007-v4l2.o go7007-driver.o go7007-i2c.o go7007-fw.o \
+		snd-go7007.o
+
+s2250-y := s2250-board.o
+
+ccflags-$(CONFIG_VIDEO_GO7007_LOADER:m=y) += -I $(srctree)/drivers/media/common
diff --git a/drivers/media/usb/go7007/go7007-driver.c b/drivers/media/usb/go7007/go7007-driver.c
new file mode 100644
index 000000000..0c24e2984
--- /dev/null
+++ b/drivers/media/usb/go7007/go7007-driver.c
@@ -0,0 +1,737 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2005-2006 Micronas USA Inc.
+ */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/sched.h>
+#include <linux/spinlock.h>
+#include <linux/unistd.h>
+#include <linux/time.h>
+#include <linux/mm.h>
+#include <linux/vmalloc.h>
+#include <linux/device.h>
+#include <linux/i2c.h>
+#include <linux/firmware.h>
+#include <linux/mutex.h>
+#include <linux/uaccess.h>
+#include <linux/slab.h>
+#include <linux/videodev2.h>
+#include <media/tuner.h>
+#include <media/v4l2-common.h>
+#include <media/v4l2-event.h>
+
+#include "go7007-priv.h"
+
+/*
+ * Wait for an interrupt to be delivered from the GO7007SB and return
+ * the associated value and data.
+ *
+ * Must be called with the hw_lock held.
+ */
+int go7007_read_interrupt(struct go7007 *go, u16 *value, u16 *data)
+{
+	go->interrupt_available = 0;
+	go->hpi_ops->read_interrupt(go);
+	if (wait_event_timeout(go->interrupt_waitq,
+				go->interrupt_available, 5*HZ) < 0) {
+		v4l2_err(&go->v4l2_dev, "timeout waiting for read interrupt\n");
+		return -1;
+	}
+	if (!go->interrupt_available)
+		return -1;
+	go->interrupt_available = 0;
+	*value = go->interrupt_value & 0xfffe;
+	*data = go->interrupt_data;
+	return 0;
+}
+EXPORT_SYMBOL(go7007_read_interrupt);
+
+/*
+ * Read a register/address on the GO7007SB.
+ *
+ * Must be called with the hw_lock held.
+ */
+int go7007_read_addr(struct go7007 *go, u16 addr, u16 *data)
+{
+	int count = 100;
+	u16 value;
+
+	if (go7007_write_interrupt(go, 0x0010, addr) < 0)
+		return -EIO;
+	while (count-- > 0) {
+		if (go7007_read_interrupt(go, &value, data) == 0 &&
+				value == 0xa000)
+			return 0;
+	}
+	return -EIO;
+}
+EXPORT_SYMBOL(go7007_read_addr);
+
+/*
+ * Send the boot firmware to the encoder, which just wakes it up and lets
+ * us talk to the GPIO pins and on-board I2C adapter.
+ *
+ * Must be called with the hw_lock held.
+ */
+static int go7007_load_encoder(struct go7007 *go)
+{
+	const struct firmware *fw_entry;
+	char fw_name[] = "go7007/go7007fw.bin";
+	void *bounce;
+	int fw_len, rv = 0;
+	u16 intr_val, intr_data;
+
+	if (go->boot_fw == NULL) {
+		if (request_firmware(&fw_entry, fw_name, go->dev)) {
+			v4l2_err(go, "unable to load firmware from file \"%s\"\n", fw_name);
+			return -1;
+		}
+		if (fw_entry->size < 16 || memcmp(fw_entry->data, "WISGO7007FW", 11)) {
+			v4l2_err(go, "file \"%s\" does not appear to be go7007 firmware\n", fw_name);
+			release_firmware(fw_entry);
+			return -1;
+		}
+		fw_len = fw_entry->size - 16;
+		bounce = kmemdup(fw_entry->data + 16, fw_len, GFP_KERNEL);
+		if (bounce == NULL) {
+			v4l2_err(go, "unable to allocate %d bytes for firmware transfer\n", fw_len);
+			release_firmware(fw_entry);
+			return -1;
+		}
+		release_firmware(fw_entry);
+		go->boot_fw_len = fw_len;
+		go->boot_fw = bounce;
+	}
+	if (go7007_interface_reset(go) < 0 ||
+	    go7007_send_firmware(go, go->boot_fw, go->boot_fw_len) < 0 ||
+	    go7007_read_interrupt(go, &intr_val, &intr_data) < 0 ||
+			(intr_val & ~0x1) != 0x5a5a) {
+		v4l2_err(go, "error transferring firmware\n");
+		rv = -1;
+	}
+	return rv;
+}
+
+MODULE_FIRMWARE("go7007/go7007fw.bin");
+
+/*
+ * Boot the encoder and register the I2C adapter if requested.  Do the
+ * minimum initialization necessary, since the board-specific code may
+ * still need to probe the board ID.
+ *
+ * Must NOT be called with the hw_lock held.
+ */
+int go7007_boot_encoder(struct go7007 *go, int init_i2c)
+{
+	int ret;
+
+	mutex_lock(&go->hw_lock);
+	ret = go7007_load_encoder(go);
+	mutex_unlock(&go->hw_lock);
+	if (ret < 0)
+		return -1;
+	if (!init_i2c)
+		return 0;
+	if (go7007_i2c_init(go) < 0)
+		return -1;
+	go->i2c_adapter_online = 1;
+	return 0;
+}
+EXPORT_SYMBOL(go7007_boot_encoder);
+
+/*
+ * Configure any hardware-related registers in the GO7007, such as GPIO
+ * pins and bus parameters, which are board-specific.  This assumes
+ * the boot firmware has already been downloaded.
+ *
+ * Must be called with the hw_lock held.
+ */
+static int go7007_init_encoder(struct go7007 *go)
+{
+	if (go->board_info->audio_flags & GO7007_AUDIO_I2S_MASTER) {
+		go7007_write_addr(go, 0x1000, 0x0811);
+		go7007_write_addr(go, 0x1000, 0x0c11);
+	}
+	switch (go->board_id) {
+	case GO7007_BOARDID_MATRIX_REV:
+		/* Set GPIO pin 0 to be an output (audio clock control) */
+		go7007_write_addr(go, 0x3c82, 0x0001);
+		go7007_write_addr(go, 0x3c80, 0x00fe);
+		break;
+	case GO7007_BOARDID_ADLINK_MPG24:
+		/* set GPIO5 to be an output, currently low */
+		go7007_write_addr(go, 0x3c82, 0x0000);
+		go7007_write_addr(go, 0x3c80, 0x00df);
+		break;
+	case GO7007_BOARDID_ADS_USBAV_709:
+		/* GPIO pin 0: audio clock control */
+		/*      pin 2: TW9906 reset */
+		/*      pin 3: capture LED */
+		go7007_write_addr(go, 0x3c82, 0x000d);
+		go7007_write_addr(go, 0x3c80, 0x00f2);
+		break;
+	}
+	return 0;
+}
+
+/*
+ * Send the boot firmware to the GO7007 and configure the registers.  This
+ * is the only way to stop the encoder once it has started streaming video.
+ *
+ * Must be called with the hw_lock held.
+ */
+int go7007_reset_encoder(struct go7007 *go)
+{
+	if (go7007_load_encoder(go) < 0)
+		return -1;
+	return go7007_init_encoder(go);
+}
+
+/*
+ * Attempt to instantiate an I2C client by ID, probably loading a module.
+ */
+static int init_i2c_module(struct i2c_adapter *adapter, const struct go_i2c *const i2c)
+{
+	struct go7007 *go = i2c_get_adapdata(adapter);
+	struct v4l2_device *v4l2_dev = &go->v4l2_dev;
+	struct v4l2_subdev *sd;
+	struct i2c_board_info info;
+
+	memset(&info, 0, sizeof(info));
+	strscpy(info.type, i2c->type, sizeof(info.type));
+	info.addr = i2c->addr;
+	info.flags = i2c->flags;
+
+	sd = v4l2_i2c_new_subdev_board(v4l2_dev, adapter, &info, NULL);
+	if (sd) {
+		if (i2c->is_video)
+			go->sd_video = sd;
+		if (i2c->is_audio)
+			go->sd_audio = sd;
+		return 0;
+	}
+
+	pr_info("go7007: probing for module i2c:%s failed\n", i2c->type);
+	return -EINVAL;
+}
+
+/*
+ * Detach and unregister the encoder.  The go7007 struct won't be freed
+ * until v4l2 finishes releasing its resources and all associated fds are
+ * closed by applications.
+ */
+static void go7007_remove(struct v4l2_device *v4l2_dev)
+{
+	struct go7007 *go = container_of(v4l2_dev, struct go7007, v4l2_dev);
+
+	v4l2_device_unregister(v4l2_dev);
+	if (go->hpi_ops->release)
+		go->hpi_ops->release(go);
+	if (go->i2c_adapter_online) {
+		i2c_del_adapter(&go->i2c_adapter);
+		go->i2c_adapter_online = 0;
+	}
+
+	kfree(go->boot_fw);
+	go7007_v4l2_remove(go);
+	kfree(go);
+}
+
+/*
+ * Finalize the GO7007 hardware setup, register the on-board I2C adapter
+ * (if used on this board), load the I2C client driver for the sensor
+ * (SAA7115 or whatever) and other devices, and register the ALSA and V4L2
+ * interfaces.
+ *
+ * Must NOT be called with the hw_lock held.
+ */
+int go7007_register_encoder(struct go7007 *go, unsigned num_i2c_devs)
+{
+	int i, ret;
+
+	dev_info(go->dev, "go7007: registering new %s\n", go->name);
+
+	go->v4l2_dev.release = go7007_remove;
+	ret = v4l2_device_register(go->dev, &go->v4l2_dev);
+	if (ret < 0)
+		return ret;
+
+	mutex_lock(&go->hw_lock);
+	ret = go7007_init_encoder(go);
+	mutex_unlock(&go->hw_lock);
+	if (ret < 0)
+		return ret;
+
+	ret = go7007_v4l2_ctrl_init(go);
+	if (ret < 0)
+		return ret;
+
+	if (!go->i2c_adapter_online &&
+			go->board_info->flags & GO7007_BOARD_USE_ONBOARD_I2C) {
+		ret = go7007_i2c_init(go);
+		if (ret < 0)
+			return ret;
+		go->i2c_adapter_online = 1;
+	}
+	if (go->i2c_adapter_online) {
+		if (go->board_id == GO7007_BOARDID_ADS_USBAV_709) {
+			/* Reset the TW9906 */
+			go7007_write_addr(go, 0x3c82, 0x0009);
+			msleep(50);
+			go7007_write_addr(go, 0x3c82, 0x000d);
+		}
+		for (i = 0; i < num_i2c_devs; ++i)
+			init_i2c_module(&go->i2c_adapter, &go->board_info->i2c_devs[i]);
+
+		if (go->tuner_type >= 0) {
+			struct tuner_setup setup = {
+				.addr = ADDR_UNSET,
+				.type = go->tuner_type,
+				.mode_mask = T_ANALOG_TV,
+			};
+
+			v4l2_device_call_all(&go->v4l2_dev, 0, tuner,
+				s_type_addr, &setup);
+		}
+		if (go->board_id == GO7007_BOARDID_ADLINK_MPG24)
+			v4l2_subdev_call(go->sd_video, video, s_routing,
+					0, 0, go->channel_number + 1);
+	}
+
+	ret = go7007_v4l2_init(go);
+	if (ret < 0)
+		return ret;
+
+	if (go->board_info->flags & GO7007_BOARD_HAS_AUDIO) {
+		go->audio_enabled = 1;
+		go7007_snd_init(go);
+	}
+	return 0;
+}
+EXPORT_SYMBOL(go7007_register_encoder);
+
+/*
+ * Send the encode firmware to the encoder, which will cause it
+ * to immediately start delivering the video and audio streams.
+ *
+ * Must be called with the hw_lock held.
+ */
+int go7007_start_encoder(struct go7007 *go)
+{
+	u8 *fw;
+	int fw_len, rv = 0, i, x, y;
+	u16 intr_val, intr_data;
+
+	go->modet_enable = 0;
+	for (i = 0; i < 4; i++)
+		go->modet[i].enable = 0;
+
+	switch (v4l2_ctrl_g_ctrl(go->modet_mode)) {
+	case V4L2_DETECT_MD_MODE_GLOBAL:
+		memset(go->modet_map, 0, sizeof(go->modet_map));
+		go->modet[0].enable = 1;
+		go->modet_enable = 1;
+		break;
+	case V4L2_DETECT_MD_MODE_REGION_GRID:
+		for (y = 0; y < go->height / 16; y++) {
+			for (x = 0; x < go->width / 16; x++) {
+				int idx = y * go->width / 16 + x;
+
+				go->modet[go->modet_map[idx]].enable = 1;
+			}
+		}
+		go->modet_enable = 1;
+		break;
+	}
+
+	if (go->dvd_mode)
+		go->modet_enable = 0;
+
+	if (go7007_construct_fw_image(go, &fw, &fw_len) < 0)
+		return -1;
+
+	if (go7007_send_firmware(go, fw, fw_len) < 0 ||
+			go7007_read_interrupt(go, &intr_val, &intr_data) < 0) {
+		v4l2_err(&go->v4l2_dev, "error transferring firmware\n");
+		rv = -1;
+		goto start_error;
+	}
+
+	go->state = STATE_DATA;
+	go->parse_length = 0;
+	go->seen_frame = 0;
+	if (go7007_stream_start(go) < 0) {
+		v4l2_err(&go->v4l2_dev, "error starting stream transfer\n");
+		rv = -1;
+		goto start_error;
+	}
+
+start_error:
+	kfree(fw);
+	return rv;
+}
+
+/*
+ * Store a byte in the current video buffer, if there is one.
+ */
+static inline void store_byte(struct go7007_buffer *vb, u8 byte)
+{
+	if (vb && vb->vb.vb2_buf.planes[0].bytesused < GO7007_BUF_SIZE) {
+		u8 *ptr = vb2_plane_vaddr(&vb->vb.vb2_buf, 0);
+
+		ptr[vb->vb.vb2_buf.planes[0].bytesused++] = byte;
+	}
+}
+
+static void go7007_set_motion_regions(struct go7007 *go, struct go7007_buffer *vb,
+		u32 motion_regions)
+{
+	if (motion_regions != go->modet_event_status) {
+		struct v4l2_event ev = {
+			.type = V4L2_EVENT_MOTION_DET,
+			.u.motion_det = {
+				.flags = V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ,
+				.frame_sequence = vb->vb.sequence,
+				.region_mask = motion_regions,
+			},
+		};
+
+		v4l2_event_queue(&go->vdev, &ev);
+		go->modet_event_status = motion_regions;
+	}
+}
+
+/*
+ * Determine regions with motion and send a motion detection event
+ * in case of changes.
+ */
+static void go7007_motion_regions(struct go7007 *go, struct go7007_buffer *vb)
+{
+	u32 *bytesused = &vb->vb.vb2_buf.planes[0].bytesused;
+	unsigned motion[4] = { 0, 0, 0, 0 };
+	u32 motion_regions = 0;
+	unsigned stride = (go->width + 7) >> 3;
+	unsigned x, y;
+	int i;
+
+	for (i = 0; i < 216; ++i)
+		store_byte(vb, go->active_map[i]);
+	for (y = 0; y < go->height / 16; y++) {
+		for (x = 0; x < go->width / 16; x++) {
+			if (!(go->active_map[y * stride + (x >> 3)] & (1 << (x & 7))))
+				continue;
+			motion[go->modet_map[y * (go->width / 16) + x]]++;
+		}
+	}
+	motion_regions = ((motion[0] > 0) << 0) |
+			 ((motion[1] > 0) << 1) |
+			 ((motion[2] > 0) << 2) |
+			 ((motion[3] > 0) << 3);
+	*bytesused -= 216;
+	go7007_set_motion_regions(go, vb, motion_regions);
+}
+
+/*
+ * Deliver the last video buffer and get a new one to start writing to.
+ */
+static struct go7007_buffer *frame_boundary(struct go7007 *go, struct go7007_buffer *vb)
+{
+	u32 *bytesused;
+	struct go7007_buffer *vb_tmp = NULL;
+	unsigned long flags;
+
+	if (vb == NULL) {
+		spin_lock_irqsave(&go->spinlock, flags);
+		if (!list_empty(&go->vidq_active))
+			vb = go->active_buf =
+				list_first_entry(&go->vidq_active, struct go7007_buffer, list);
+		spin_unlock_irqrestore(&go->spinlock, flags);
+		go->next_seq++;
+		return vb;
+	}
+	bytesused = &vb->vb.vb2_buf.planes[0].bytesused;
+
+	vb->vb.sequence = go->next_seq++;
+	if (vb->modet_active && *bytesused + 216 < GO7007_BUF_SIZE)
+		go7007_motion_regions(go, vb);
+	else
+		go7007_set_motion_regions(go, vb, 0);
+
+	vb->vb.vb2_buf.timestamp = ktime_get_ns();
+	vb_tmp = vb;
+	spin_lock_irqsave(&go->spinlock, flags);
+	list_del(&vb->list);
+	if (list_empty(&go->vidq_active))
+		vb = NULL;
+	else
+		vb = list_first_entry(&go->vidq_active,
+				struct go7007_buffer, list);
+	go->active_buf = vb;
+	spin_unlock_irqrestore(&go->spinlock, flags);
+	vb2_buffer_done(&vb_tmp->vb.vb2_buf, VB2_BUF_STATE_DONE);
+	return vb;
+}
+
+static void write_bitmap_word(struct go7007 *go)
+{
+	int x, y, i, stride = ((go->width >> 4) + 7) >> 3;
+
+	for (i = 0; i < 16; ++i) {
+		y = (((go->parse_length - 1) << 3) + i) / (go->width >> 4);
+		x = (((go->parse_length - 1) << 3) + i) % (go->width >> 4);
+		if (stride * y + (x >> 3) < sizeof(go->active_map))
+			go->active_map[stride * y + (x >> 3)] |=
+					(go->modet_word & 1) << (x & 0x7);
+		go->modet_word >>= 1;
+	}
+}
+
+/*
+ * Parse a chunk of the video stream into frames.  The frames are not
+ * delimited by the hardware, so we have to parse the frame boundaries
+ * based on the type of video stream we're receiving.
+ */
+void go7007_parse_video_stream(struct go7007 *go, u8 *buf, int length)
+{
+	struct go7007_buffer *vb = go->active_buf;
+	int i, seq_start_code = -1, gop_start_code = -1, frame_start_code = -1;
+
+	switch (go->format) {
+	case V4L2_PIX_FMT_MPEG4:
+		seq_start_code = 0xB0;
+		gop_start_code = 0xB3;
+		frame_start_code = 0xB6;
+		break;
+	case V4L2_PIX_FMT_MPEG1:
+	case V4L2_PIX_FMT_MPEG2:
+		seq_start_code = 0xB3;
+		gop_start_code = 0xB8;
+		frame_start_code = 0x00;
+		break;
+	}
+
+	for (i = 0; i < length; ++i) {
+		if (vb && vb->vb.vb2_buf.planes[0].bytesused >=
+				GO7007_BUF_SIZE - 3) {
+			v4l2_info(&go->v4l2_dev, "dropping oversized frame\n");
+			vb2_set_plane_payload(&vb->vb.vb2_buf, 0, 0);
+			vb->frame_offset = 0;
+			vb->modet_active = 0;
+			vb = go->active_buf = NULL;
+		}
+
+		switch (go->state) {
+		case STATE_DATA:
+			switch (buf[i]) {
+			case 0x00:
+				go->state = STATE_00;
+				break;
+			case 0xFF:
+				go->state = STATE_FF;
+				break;
+			default:
+				store_byte(vb, buf[i]);
+				break;
+			}
+			break;
+		case STATE_00:
+			switch (buf[i]) {
+			case 0x00:
+				go->state = STATE_00_00;
+				break;
+			case 0xFF:
+				store_byte(vb, 0x00);
+				go->state = STATE_FF;
+				break;
+			default:
+				store_byte(vb, 0x00);
+				store_byte(vb, buf[i]);
+				go->state = STATE_DATA;
+				break;
+			}
+			break;
+		case STATE_00_00:
+			switch (buf[i]) {
+			case 0x00:
+				store_byte(vb, 0x00);
+				/* go->state remains STATE_00_00 */
+				break;
+			case 0x01:
+				go->state = STATE_00_00_01;
+				break;
+			case 0xFF:
+				store_byte(vb, 0x00);
+				store_byte(vb, 0x00);
+				go->state = STATE_FF;
+				break;
+			default:
+				store_byte(vb, 0x00);
+				store_byte(vb, 0x00);
+				store_byte(vb, buf[i]);
+				go->state = STATE_DATA;
+				break;
+			}
+			break;
+		case STATE_00_00_01:
+			if (buf[i] == 0xF8 && go->modet_enable == 0) {
+				/* MODET start code, but MODET not enabled */
+				store_byte(vb, 0x00);
+				store_byte(vb, 0x00);
+				store_byte(vb, 0x01);
+				store_byte(vb, 0xF8);
+				go->state = STATE_DATA;
+				break;
+			}
+			/* If this is the start of a new MPEG frame,
+			 * get a new buffer */
+			if ((go->format == V4L2_PIX_FMT_MPEG1 ||
+			     go->format == V4L2_PIX_FMT_MPEG2 ||
+			     go->format == V4L2_PIX_FMT_MPEG4) &&
+			    (buf[i] == seq_start_code ||
+			     buf[i] == gop_start_code ||
+			     buf[i] == frame_start_code)) {
+				if (vb == NULL || go->seen_frame)
+					vb = frame_boundary(go, vb);
+				go->seen_frame = buf[i] == frame_start_code;
+				if (vb && go->seen_frame)
+					vb->frame_offset =
+					vb->vb.vb2_buf.planes[0].bytesused;
+			}
+			/* Handle any special chunk types, or just write the
+			 * start code to the (potentially new) buffer */
+			switch (buf[i]) {
+			case 0xF5: /* timestamp */
+				go->parse_length = 12;
+				go->state = STATE_UNPARSED;
+				break;
+			case 0xF6: /* vbi */
+				go->state = STATE_VBI_LEN_A;
+				break;
+			case 0xF8: /* MD map */
+				go->parse_length = 0;
+				memset(go->active_map, 0,
+						sizeof(go->active_map));
+				go->state = STATE_MODET_MAP;
+				break;
+			case 0xFF: /* Potential JPEG start code */
+				store_byte(vb, 0x00);
+				store_byte(vb, 0x00);
+				store_byte(vb, 0x01);
+				go->state = STATE_FF;
+				break;
+			default:
+				store_byte(vb, 0x00);
+				store_byte(vb, 0x00);
+				store_byte(vb, 0x01);
+				store_byte(vb, buf[i]);
+				go->state = STATE_DATA;
+				break;
+			}
+			break;
+		case STATE_FF:
+			switch (buf[i]) {
+			case 0x00:
+				store_byte(vb, 0xFF);
+				go->state = STATE_00;
+				break;
+			case 0xFF:
+				store_byte(vb, 0xFF);
+				/* go->state remains STATE_FF */
+				break;
+			case 0xD8:
+				if (go->format == V4L2_PIX_FMT_MJPEG)
+					vb = frame_boundary(go, vb);
+				fallthrough;
+			default:
+				store_byte(vb, 0xFF);
+				store_byte(vb, buf[i]);
+				go->state = STATE_DATA;
+				break;
+			}
+			break;
+		case STATE_VBI_LEN_A:
+			go->parse_length = buf[i] << 8;
+			go->state = STATE_VBI_LEN_B;
+			break;
+		case STATE_VBI_LEN_B:
+			go->parse_length |= buf[i];
+			if (go->parse_length > 0)
+				go->state = STATE_UNPARSED;
+			else
+				go->state = STATE_DATA;
+			break;
+		case STATE_MODET_MAP:
+			if (go->parse_length < 204) {
+				if (go->parse_length & 1) {
+					go->modet_word |= buf[i];
+					write_bitmap_word(go);
+				} else
+					go->modet_word = buf[i] << 8;
+			} else if (go->parse_length == 207 && vb) {
+				vb->modet_active = buf[i];
+			}
+			if (++go->parse_length == 208)
+				go->state = STATE_DATA;
+			break;
+		case STATE_UNPARSED:
+			if (--go->parse_length == 0)
+				go->state = STATE_DATA;
+			break;
+		}
+	}
+}
+EXPORT_SYMBOL(go7007_parse_video_stream);
+
+/*
+ * Allocate a new go7007 struct.  Used by the hardware-specific probe.
+ */
+struct go7007 *go7007_alloc(const struct go7007_board_info *board,
+						struct device *dev)
+{
+	struct go7007 *go;
+
+	go = kzalloc(sizeof(struct go7007), GFP_KERNEL);
+	if (go == NULL)
+		return NULL;
+	go->dev = dev;
+	go->board_info = board;
+	go->tuner_type = -1;
+	mutex_init(&go->hw_lock);
+	init_waitqueue_head(&go->frame_waitq);
+	spin_lock_init(&go->spinlock);
+	go->status = STATUS_INIT;
+	init_waitqueue_head(&go->interrupt_waitq);
+	go7007_update_board(go);
+	go->format = V4L2_PIX_FMT_MJPEG;
+	go->bitrate = 1500000;
+	go->fps_scale = 1;
+	go->aspect_ratio = GO7007_RATIO_1_1;
+
+	return go;
+}
+EXPORT_SYMBOL(go7007_alloc);
+
+void go7007_update_board(struct go7007 *go)
+{
+	const struct go7007_board_info *board = go->board_info;
+
+	if (board->sensor_flags & GO7007_SENSOR_TV) {
+		go->standard = GO7007_STD_NTSC;
+		go->std = V4L2_STD_NTSC_M;
+		go->width = 720;
+		go->height = 480;
+		go->sensor_framerate = 30000;
+	} else {
+		go->standard = GO7007_STD_OTHER;
+		go->width = board->sensor_width;
+		go->height = board->sensor_height;
+		go->sensor_framerate = board->sensor_framerate;
+	}
+	go->encoder_v_offset = board->sensor_v_offset;
+	go->encoder_h_offset = board->sensor_h_offset;
+}
+EXPORT_SYMBOL(go7007_update_board);
+
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/media/usb/go7007/go7007-fw.c b/drivers/media/usb/go7007/go7007-fw.c
new file mode 100644
index 000000000..018019ba4
--- /dev/null
+++ b/drivers/media/usb/go7007/go7007-fw.c
@@ -0,0 +1,1623 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2005-2006 Micronas USA Inc.
+ */
+
+/*
+ * This file contains code to generate a firmware image for the GO7007SB
+ * encoder.  Much of the firmware is read verbatim from a file, but some of
+ * it concerning bitrate control and other things that can be configured at
+ * run-time are generated dynamically.  Note that the format headers
+ * generated here do not affect the functioning of the encoder; they are
+ * merely parroted back to the host at the start of each frame.
+ */
+
+#include <linux/module.h>
+#include <linux/time.h>
+#include <linux/mm.h>
+#include <linux/device.h>
+#include <linux/i2c.h>
+#include <linux/firmware.h>
+#include <linux/slab.h>
+#include <asm/byteorder.h>
+
+#include "go7007-priv.h"
+
+#define GO7007_FW_NAME "go7007/go7007tv.bin"
+
+/* Constants used in the source firmware image to describe code segments */
+
+#define	FLAG_MODE_MJPEG		(1)
+#define	FLAG_MODE_MPEG1		(1<<1)
+#define	FLAG_MODE_MPEG2		(1<<2)
+#define	FLAG_MODE_MPEG4		(1<<3)
+#define	FLAG_MODE_H263		(1<<4)
+#define FLAG_MODE_ALL		(FLAG_MODE_MJPEG | FLAG_MODE_MPEG1 | \
+					FLAG_MODE_MPEG2 | FLAG_MODE_MPEG4 | \
+					FLAG_MODE_H263)
+#define FLAG_SPECIAL		(1<<8)
+
+#define SPECIAL_FRM_HEAD	0
+#define SPECIAL_BRC_CTRL	1
+#define SPECIAL_CONFIG		2
+#define SPECIAL_SEQHEAD		3
+#define SPECIAL_AV_SYNC		4
+#define SPECIAL_FINAL		5
+#define SPECIAL_AUDIO		6
+#define SPECIAL_MODET		7
+
+/* Little data class for creating MPEG headers bit-by-bit */
+
+struct code_gen {
+	unsigned char *p; /* destination */
+	u32 a; /* collects bits at the top of the variable */
+	int b; /* bit position of most recently-written bit */
+	int len; /* written out so far */
+};
+
+#define CODE_GEN(name, dest) struct code_gen name = { dest, 0, 32, 0 }
+
+#define CODE_ADD(name, val, length) do { \
+	name.b -= (length); \
+	name.a |= (val) << name.b; \
+	while (name.b <= 24) { \
+		*name.p = name.a >> 24; \
+		++name.p; \
+		name.a <<= 8; \
+		name.b += 8; \
+		name.len += 8; \
+	} \
+} while (0)
+
+#define CODE_LENGTH(name) (name.len + (32 - name.b))
+
+/* Tables for creating the bitrate control data */
+
+static const s16 converge_speed_ip[101] = {
+	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1, 1, 2,
+	2, 2, 2, 2, 2, 2, 2, 2, 2, 3,
+	3, 3, 3, 3, 3, 4, 4, 4, 4, 4,
+	5, 5, 5, 6, 6, 6, 7, 7, 8, 8,
+	9, 10, 10, 11, 12, 13, 14, 15, 16, 17,
+	19, 20, 22, 23, 25, 27, 30, 32, 35, 38,
+	41, 45, 49, 53, 58, 63, 69, 76, 83, 91,
+	100
+};
+
+static const s16 converge_speed_ipb[101] = {
+	3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+	3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+	3, 3, 3, 3, 3, 4, 4, 4, 4, 4,
+	4, 4, 4, 4, 5, 5, 5, 5, 5, 6,
+	6, 6, 6, 7, 7, 7, 7, 8, 8, 9,
+	9, 9, 10, 10, 11, 12, 12, 13, 14, 14,
+	15, 16, 17, 18, 19, 20, 22, 23, 25, 26,
+	28, 30, 32, 34, 37, 40, 42, 46, 49, 53,
+	57, 61, 66, 71, 77, 83, 90, 97, 106, 115,
+	125, 135, 147, 161, 175, 191, 209, 228, 249, 273,
+	300
+};
+
+static const s16 LAMBDA_table[4][101] = {
+	{	16, 16, 16, 16, 17, 17, 17, 18, 18, 18,
+		19, 19, 19, 20, 20, 20, 21, 21, 22, 22,
+		22, 23, 23, 24, 24, 25, 25, 25, 26, 26,
+		27, 27, 28, 28, 29, 29, 30, 31, 31, 32,
+		32, 33, 33, 34, 35, 35, 36, 37, 37, 38,
+		39, 39, 40, 41, 42, 42, 43, 44, 45, 46,
+		46, 47, 48, 49, 50, 51, 52, 53, 54, 55,
+		56, 57, 58, 59, 60, 61, 62, 63, 64, 65,
+		67, 68, 69, 70, 72, 73, 74, 76, 77, 78,
+		80, 81, 83, 84, 86, 87, 89, 90, 92, 94,
+		96
+	},
+	{
+		20, 20, 20, 21, 21, 21, 22, 22, 23, 23,
+		23, 24, 24, 25, 25, 26, 26, 27, 27, 28,
+		28, 29, 29, 30, 30, 31, 31, 32, 33, 33,
+		34, 34, 35, 36, 36, 37, 38, 38, 39, 40,
+		40, 41, 42, 43, 43, 44, 45, 46, 47, 48,
+		48, 49, 50, 51, 52, 53, 54, 55, 56, 57,
+		58, 59, 60, 61, 62, 64, 65, 66, 67, 68,
+		70, 71, 72, 73, 75, 76, 78, 79, 80, 82,
+		83, 85, 86, 88, 90, 91, 93, 95, 96, 98,
+		100, 102, 103, 105, 107, 109, 111, 113, 115, 117,
+		120
+	},
+	{
+		24, 24, 24, 25, 25, 26, 26, 27, 27, 28,
+		28, 29, 29, 30, 30, 31, 31, 32, 33, 33,
+		34, 34, 35, 36, 36, 37, 38, 38, 39, 40,
+		41, 41, 42, 43, 44, 44, 45, 46, 47, 48,
+		49, 50, 50, 51, 52, 53, 54, 55, 56, 57,
+		58, 59, 60, 62, 63, 64, 65, 66, 67, 69,
+		70, 71, 72, 74, 75, 76, 78, 79, 81, 82,
+		84, 85, 87, 88, 90, 92, 93, 95, 97, 98,
+		100, 102, 104, 106, 108, 110, 112, 114, 116, 118,
+		120, 122, 124, 127, 129, 131, 134, 136, 138, 141,
+		144
+	},
+	{
+		32, 32, 33, 33, 34, 34, 35, 36, 36, 37,
+		38, 38, 39, 40, 41, 41, 42, 43, 44, 44,
+		45, 46, 47, 48, 49, 50, 50, 51, 52, 53,
+		54, 55, 56, 57, 58, 59, 60, 62, 63, 64,
+		65, 66, 67, 69, 70, 71, 72, 74, 75, 76,
+		78, 79, 81, 82, 84, 85, 87, 88, 90, 92,
+		93, 95, 97, 98, 100, 102, 104, 106, 108, 110,
+		112, 114, 116, 118, 120, 122, 124, 127, 129, 131,
+		134, 136, 139, 141, 144, 146, 149, 152, 154, 157,
+		160, 163, 166, 169, 172, 175, 178, 181, 185, 188,
+		192
+	}
+};
+
+/* MPEG blank frame generation tables */
+
+enum mpeg_frame_type {
+	PFRAME,
+	BFRAME_PRE,
+	BFRAME_POST,
+	BFRAME_BIDIR,
+	BFRAME_EMPTY
+};
+
+static const u32 addrinctab[33][2] = {
+	{ 0x01, 1 },	{ 0x03, 3 },	{ 0x02, 3 },	{ 0x03, 4 },
+	{ 0x02, 4 },	{ 0x03, 5 },	{ 0x02, 5 },	{ 0x07, 7 },
+	{ 0x06, 7 },	{ 0x0b, 8 },	{ 0x0a, 8 },	{ 0x09, 8 },
+	{ 0x08, 8 },	{ 0x07, 8 },	{ 0x06, 8 },	{ 0x17, 10 },
+	{ 0x16, 10 },	{ 0x15, 10 },	{ 0x14, 10 },	{ 0x13, 10 },
+	{ 0x12, 10 },	{ 0x23, 11 },	{ 0x22, 11 },	{ 0x21, 11 },
+	{ 0x20, 11 },	{ 0x1f, 11 },	{ 0x1e, 11 },	{ 0x1d, 11 },
+	{ 0x1c, 11 },	{ 0x1b, 11 },	{ 0x1a, 11 },	{ 0x19, 11 },
+	{ 0x18, 11 }
+};
+
+/* Standard JPEG tables */
+
+static const u8 default_intra_quant_table[] = {
+	 8, 16, 19, 22, 26, 27, 29, 34,
+	16, 16, 22, 24, 27, 29, 34, 37,
+	19, 22, 26, 27, 29, 34, 34, 38,
+	22, 22, 26, 27, 29, 34, 37, 40,
+	22, 26, 27, 29, 32, 35, 40, 48,
+	26, 27, 29, 32, 35, 40, 48, 58,
+	26, 27, 29, 34, 38, 46, 56, 69,
+	27, 29, 35, 38, 46, 56, 69, 83
+};
+
+static const u8 bits_dc_luminance[] = {
+	0, 0, 1, 5, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0
+};
+
+static const u8 val_dc_luminance[] = {
+	0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11
+};
+
+static const u8 bits_dc_chrominance[] = {
+	0, 0, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0
+};
+
+static const u8 val_dc_chrominance[] = {
+	0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11
+};
+
+static const u8 bits_ac_luminance[] = {
+	0, 0, 2, 1, 3, 3, 2, 4, 3, 5, 5, 4, 4, 0, 0, 1, 0x7d
+};
+
+static const u8 val_ac_luminance[] = {
+	0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12,
+	0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61, 0x07,
+	0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xa1, 0x08,
+	0x23, 0x42, 0xb1, 0xc1, 0x15, 0x52, 0xd1, 0xf0,
+	0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0a, 0x16,
+	0x17, 0x18, 0x19, 0x1a, 0x25, 0x26, 0x27, 0x28,
+	0x29, 0x2a, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39,
+	0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49,
+	0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59,
+	0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69,
+	0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79,
+	0x7a, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89,
+	0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98,
+	0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
+	0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6,
+	0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5,
+	0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4,
+	0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe1, 0xe2,
+	0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea,
+	0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8,
+	0xf9, 0xfa
+};
+
+static const u8 bits_ac_chrominance[] = {
+	0, 0, 2, 1, 2, 4, 4, 3, 4, 7, 5, 4, 4, 0, 1, 2, 0x77
+};
+
+static const u8 val_ac_chrominance[] = {
+	0x00, 0x01, 0x02, 0x03, 0x11, 0x04, 0x05, 0x21,
+	0x31, 0x06, 0x12, 0x41, 0x51, 0x07, 0x61, 0x71,
+	0x13, 0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91,
+	0xa1, 0xb1, 0xc1, 0x09, 0x23, 0x33, 0x52, 0xf0,
+	0x15, 0x62, 0x72, 0xd1, 0x0a, 0x16, 0x24, 0x34,
+	0xe1, 0x25, 0xf1, 0x17, 0x18, 0x19, 0x1a, 0x26,
+	0x27, 0x28, 0x29, 0x2a, 0x35, 0x36, 0x37, 0x38,
+	0x39, 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48,
+	0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
+	0x59, 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68,
+	0x69, 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
+	0x79, 0x7a, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
+	0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96,
+	0x97, 0x98, 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5,
+	0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4,
+	0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3,
+	0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2,
+	0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda,
+	0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9,
+	0xea, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8,
+	0xf9, 0xfa
+};
+
+/* Zig-zag mapping for quant table
+ *
+ * OK, let's do this mapping on the actual table above so it doesn't have
+ * to be done on the fly.
+ */
+static const int zz[64] = {
+	0,   1,  8, 16,  9,  2,  3, 10, 17, 24, 32, 25, 18, 11,  4,  5,
+	12, 19, 26, 33, 40, 48, 41, 34, 27, 20, 13,  6,  7, 14, 21, 28,
+	35, 42, 49, 56, 57, 50, 43, 36, 29, 22, 15, 23, 30, 37, 44, 51,
+	58, 59, 52, 45, 38, 31, 39, 46, 53, 60, 61, 54, 47, 55, 62, 63
+};
+
+static int copy_packages(__le16 *dest, u16 *src, int pkg_cnt, int space)
+{
+	int i, cnt = pkg_cnt * 32;
+
+	if (space < cnt)
+		return -1;
+
+	for (i = 0; i < cnt; ++i)
+		dest[i] = cpu_to_le16p(src + i);
+
+	return cnt;
+}
+
+static int mjpeg_frame_header(struct go7007 *go, unsigned char *buf, int q)
+{
+	int i, p = 0;
+
+	buf[p++] = 0xff;
+	buf[p++] = 0xd8;
+	buf[p++] = 0xff;
+	buf[p++] = 0xdb;
+	buf[p++] = 0;
+	buf[p++] = 2 + 65;
+	buf[p++] = 0;
+	buf[p++] = default_intra_quant_table[0];
+	for (i = 1; i < 64; ++i)
+		/* buf[p++] = (default_intra_quant_table[i] * q) >> 3; */
+		buf[p++] = (default_intra_quant_table[zz[i]] * q) >> 3;
+	buf[p++] = 0xff;
+	buf[p++] = 0xc0;
+	buf[p++] = 0;
+	buf[p++] = 17;
+	buf[p++] = 8;
+	buf[p++] = go->height >> 8;
+	buf[p++] = go->height & 0xff;
+	buf[p++] = go->width >> 8;
+	buf[p++] = go->width & 0xff;
+	buf[p++] = 3;
+	buf[p++] = 1;
+	buf[p++] = 0x22;
+	buf[p++] = 0;
+	buf[p++] = 2;
+	buf[p++] = 0x11;
+	buf[p++] = 0;
+	buf[p++] = 3;
+	buf[p++] = 0x11;
+	buf[p++] = 0;
+	buf[p++] = 0xff;
+	buf[p++] = 0xc4;
+	buf[p++] = 418 >> 8;
+	buf[p++] = 418 & 0xff;
+	buf[p++] = 0x00;
+	memcpy(buf + p, bits_dc_luminance + 1, 16);
+	p += 16;
+	memcpy(buf + p, val_dc_luminance, sizeof(val_dc_luminance));
+	p += sizeof(val_dc_luminance);
+	buf[p++] = 0x01;
+	memcpy(buf + p, bits_dc_chrominance + 1, 16);
+	p += 16;
+	memcpy(buf + p, val_dc_chrominance, sizeof(val_dc_chrominance));
+	p += sizeof(val_dc_chrominance);
+	buf[p++] = 0x10;
+	memcpy(buf + p, bits_ac_luminance + 1, 16);
+	p += 16;
+	memcpy(buf + p, val_ac_luminance, sizeof(val_ac_luminance));
+	p += sizeof(val_ac_luminance);
+	buf[p++] = 0x11;
+	memcpy(buf + p, bits_ac_chrominance + 1, 16);
+	p += 16;
+	memcpy(buf + p, val_ac_chrominance, sizeof(val_ac_chrominance));
+	p += sizeof(val_ac_chrominance);
+	buf[p++] = 0xff;
+	buf[p++] = 0xda;
+	buf[p++] = 0;
+	buf[p++] = 12;
+	buf[p++] = 3;
+	buf[p++] = 1;
+	buf[p++] = 0x00;
+	buf[p++] = 2;
+	buf[p++] = 0x11;
+	buf[p++] = 3;
+	buf[p++] = 0x11;
+	buf[p++] = 0;
+	buf[p++] = 63;
+	buf[p++] = 0;
+	return p;
+}
+
+static int gen_mjpeghdr_to_package(struct go7007 *go, __le16 *code, int space)
+{
+	u8 *buf;
+	u16 mem = 0x3e00;
+	unsigned int addr = 0x19;
+	int size = 0, i, off = 0, chunk;
+
+	buf = kzalloc(4096, GFP_KERNEL);
+	if (buf == NULL)
+		return -ENOMEM;
+
+	for (i = 1; i < 32; ++i) {
+		mjpeg_frame_header(go, buf + size, i);
+		size += 80;
+	}
+	chunk = mjpeg_frame_header(go, buf + size, 1);
+	memmove(buf + size, buf + size + 80, chunk - 80);
+	size += chunk - 80;
+
+	for (i = 0; i < size; i += chunk * 2) {
+		if (space - off < 32) {
+			off = -1;
+			goto done;
+		}
+
+		code[off + 1] = __cpu_to_le16(0x8000 | mem);
+
+		chunk = 28;
+		if (mem + chunk > 0x4000)
+			chunk = 0x4000 - mem;
+		if (i + 2 * chunk > size)
+			chunk = (size - i) / 2;
+
+		if (chunk < 28) {
+			code[off] = __cpu_to_le16(0x4000 | chunk);
+			code[off + 31] = __cpu_to_le16(addr++);
+			mem = 0x3e00;
+		} else {
+			code[off] = __cpu_to_le16(0x1000 | 28);
+			code[off + 31] = 0;
+			mem += 28;
+		}
+
+		memcpy(&code[off + 2], buf + i, chunk * 2);
+		off += 32;
+	}
+done:
+	kfree(buf);
+	return off;
+}
+
+static int mpeg1_frame_header(struct go7007 *go, unsigned char *buf,
+		int modulo, int pict_struct, enum mpeg_frame_type frame)
+{
+	int i, j, mb_code, mb_len;
+	int rows = go->interlace_coding ? go->height / 32 : go->height / 16;
+	CODE_GEN(c, buf + 6);
+
+	switch (frame) {
+	case PFRAME:
+		mb_code = 0x1;
+		mb_len = 3;
+		break;
+	case BFRAME_PRE:
+		mb_code = 0x2;
+		mb_len = 4;
+		break;
+	case BFRAME_POST:
+		mb_code = 0x2;
+		mb_len = 3;
+		break;
+	case BFRAME_BIDIR:
+		mb_code = 0x2;
+		mb_len = 2;
+		break;
+	default: /* keep the compiler happy */
+		mb_code = mb_len = 0;
+		break;
+	}
+
+	CODE_ADD(c, frame == PFRAME ? 0x2 : 0x3, 13);
+	CODE_ADD(c, 0xffff, 16);
+	CODE_ADD(c, go->format == V4L2_PIX_FMT_MPEG2 ? 0x7 : 0x4, 4);
+	if (frame != PFRAME)
+		CODE_ADD(c, go->format == V4L2_PIX_FMT_MPEG2 ? 0x7 : 0x4, 4);
+	else
+		CODE_ADD(c, 0, 4); /* Is this supposed to be here?? */
+	CODE_ADD(c, 0, 3); /* What is this?? */
+	/* Byte-align with zeros */
+	j = 8 - (CODE_LENGTH(c) % 8);
+	if (j != 8)
+		CODE_ADD(c, 0, j);
+
+	if (go->format == V4L2_PIX_FMT_MPEG2) {
+		CODE_ADD(c, 0x1, 24);
+		CODE_ADD(c, 0xb5, 8);
+		CODE_ADD(c, 0x844, 12);
+		CODE_ADD(c, frame == PFRAME ? 0xff : 0x44, 8);
+		if (go->interlace_coding) {
+			CODE_ADD(c, pict_struct, 4);
+			if (go->dvd_mode)
+				CODE_ADD(c, 0x000, 11);
+			else
+				CODE_ADD(c, 0x200, 11);
+		} else {
+			CODE_ADD(c, 0x3, 4);
+			CODE_ADD(c, 0x20c, 11);
+		}
+		/* Byte-align with zeros */
+		j = 8 - (CODE_LENGTH(c) % 8);
+		if (j != 8)
+			CODE_ADD(c, 0, j);
+	}
+
+	for (i = 0; i < rows; ++i) {
+		CODE_ADD(c, 1, 24);
+		CODE_ADD(c, i + 1, 8);
+		CODE_ADD(c, 0x2, 6);
+		CODE_ADD(c, 0x1, 1);
+		CODE_ADD(c, mb_code, mb_len);
+		if (go->interlace_coding) {
+			CODE_ADD(c, 0x1, 2);
+			CODE_ADD(c, pict_struct == 1 ? 0x0 : 0x1, 1);
+		}
+		if (frame == BFRAME_BIDIR) {
+			CODE_ADD(c, 0x3, 2);
+			if (go->interlace_coding)
+				CODE_ADD(c, pict_struct == 1 ? 0x0 : 0x1, 1);
+		}
+		CODE_ADD(c, 0x3, 2);
+		for (j = (go->width >> 4) - 2; j >= 33; j -= 33)
+			CODE_ADD(c, 0x8, 11);
+		CODE_ADD(c, addrinctab[j][0], addrinctab[j][1]);
+		CODE_ADD(c, mb_code, mb_len);
+		if (go->interlace_coding) {
+			CODE_ADD(c, 0x1, 2);
+			CODE_ADD(c, pict_struct == 1 ? 0x0 : 0x1, 1);
+		}
+		if (frame == BFRAME_BIDIR) {
+			CODE_ADD(c, 0x3, 2);
+			if (go->interlace_coding)
+				CODE_ADD(c, pict_struct == 1 ? 0x0 : 0x1, 1);
+		}
+		CODE_ADD(c, 0x3, 2);
+
+		/* Byte-align with zeros */
+		j = 8 - (CODE_LENGTH(c) % 8);
+		if (j != 8)
+			CODE_ADD(c, 0, j);
+	}
+
+	i = CODE_LENGTH(c) + 4 * 8;
+	buf[2] = 0x00;
+	buf[3] = 0x00;
+	buf[4] = 0x01;
+	buf[5] = 0x00;
+	return i;
+}
+
+static int mpeg1_sequence_header(struct go7007 *go, unsigned char *buf, int ext)
+{
+	int i, aspect_ratio, picture_rate;
+	CODE_GEN(c, buf + 6);
+
+	if (go->format == V4L2_PIX_FMT_MPEG1) {
+		switch (go->aspect_ratio) {
+		case GO7007_RATIO_4_3:
+			aspect_ratio = go->standard == GO7007_STD_NTSC ? 3 : 2;
+			break;
+		case GO7007_RATIO_16_9:
+			aspect_ratio = go->standard == GO7007_STD_NTSC ? 5 : 4;
+			break;
+		default:
+			aspect_ratio = 1;
+			break;
+		}
+	} else {
+		switch (go->aspect_ratio) {
+		case GO7007_RATIO_4_3:
+			aspect_ratio = 2;
+			break;
+		case GO7007_RATIO_16_9:
+			aspect_ratio = 3;
+			break;
+		default:
+			aspect_ratio = 1;
+			break;
+		}
+	}
+	switch (go->sensor_framerate) {
+	case 24000:
+		picture_rate = 1;
+		break;
+	case 24024:
+		picture_rate = 2;
+		break;
+	case 25025:
+		picture_rate = go->interlace_coding ? 6 : 3;
+		break;
+	case 30000:
+		picture_rate = go->interlace_coding ? 7 : 4;
+		break;
+	case 30030:
+		picture_rate = go->interlace_coding ? 8 : 5;
+		break;
+	default:
+		picture_rate = 5; /* 30 fps seems like a reasonable default */
+		break;
+	}
+
+	CODE_ADD(c, go->width, 12);
+	CODE_ADD(c, go->height, 12);
+	CODE_ADD(c, aspect_ratio, 4);
+	CODE_ADD(c, picture_rate, 4);
+	CODE_ADD(c, go->format == V4L2_PIX_FMT_MPEG2 ? 20000 : 0x3ffff, 18);
+	CODE_ADD(c, 1, 1);
+	CODE_ADD(c, go->format == V4L2_PIX_FMT_MPEG2 ? 112 : 20, 10);
+	CODE_ADD(c, 0, 3);
+
+	/* Byte-align with zeros */
+	i = 8 - (CODE_LENGTH(c) % 8);
+	if (i != 8)
+		CODE_ADD(c, 0, i);
+
+	if (go->format == V4L2_PIX_FMT_MPEG2) {
+		CODE_ADD(c, 0x1, 24);
+		CODE_ADD(c, 0xb5, 8);
+		CODE_ADD(c, 0x148, 12);
+		if (go->interlace_coding)
+			CODE_ADD(c, 0x20001, 20);
+		else
+			CODE_ADD(c, 0xa0001, 20);
+		CODE_ADD(c, 0, 16);
+
+		/* Byte-align with zeros */
+		i = 8 - (CODE_LENGTH(c) % 8);
+		if (i != 8)
+			CODE_ADD(c, 0, i);
+
+		if (ext) {
+			CODE_ADD(c, 0x1, 24);
+			CODE_ADD(c, 0xb52, 12);
+			CODE_ADD(c, go->standard == GO7007_STD_NTSC ? 2 : 1, 3);
+			CODE_ADD(c, 0x105, 9);
+			CODE_ADD(c, 0x505, 16);
+			CODE_ADD(c, go->width, 14);
+			CODE_ADD(c, 1, 1);
+			CODE_ADD(c, go->height, 14);
+
+			/* Byte-align with zeros */
+			i = 8 - (CODE_LENGTH(c) % 8);
+			if (i != 8)
+				CODE_ADD(c, 0, i);
+		}
+	}
+
+	i = CODE_LENGTH(c) + 4 * 8;
+	buf[0] = i & 0xff;
+	buf[1] = i >> 8;
+	buf[2] = 0x00;
+	buf[3] = 0x00;
+	buf[4] = 0x01;
+	buf[5] = 0xb3;
+	return i;
+}
+
+static int gen_mpeg1hdr_to_package(struct go7007 *go,
+					__le16 *code, int space, int *framelen)
+{
+	u8 *buf;
+	u16 mem = 0x3e00;
+	unsigned int addr = 0x19;
+	int i, off = 0, chunk;
+
+	buf = kzalloc(5120, GFP_KERNEL);
+	if (buf == NULL)
+		return -ENOMEM;
+
+	framelen[0] = mpeg1_frame_header(go, buf, 0, 1, PFRAME);
+	if (go->interlace_coding)
+		framelen[0] += mpeg1_frame_header(go, buf + framelen[0] / 8,
+							0, 2, PFRAME);
+	buf[0] = framelen[0] & 0xff;
+	buf[1] = framelen[0] >> 8;
+	i = 368;
+	framelen[1] = mpeg1_frame_header(go, buf + i, 0, 1, BFRAME_PRE);
+	if (go->interlace_coding)
+		framelen[1] += mpeg1_frame_header(go, buf + i + framelen[1] / 8,
+							0, 2, BFRAME_PRE);
+	buf[i] = framelen[1] & 0xff;
+	buf[i + 1] = framelen[1] >> 8;
+	i += 1632;
+	framelen[2] = mpeg1_frame_header(go, buf + i, 0, 1, BFRAME_POST);
+	if (go->interlace_coding)
+		framelen[2] += mpeg1_frame_header(go, buf + i + framelen[2] / 8,
+							0, 2, BFRAME_POST);
+	buf[i] = framelen[2] & 0xff;
+	buf[i + 1] = framelen[2] >> 8;
+	i += 1432;
+	framelen[3] = mpeg1_frame_header(go, buf + i, 0, 1, BFRAME_BIDIR);
+	if (go->interlace_coding)
+		framelen[3] += mpeg1_frame_header(go, buf + i + framelen[3] / 8,
+							0, 2, BFRAME_BIDIR);
+	buf[i] = framelen[3] & 0xff;
+	buf[i + 1] = framelen[3] >> 8;
+	i += 1632 + 16;
+	mpeg1_sequence_header(go, buf + i, 0);
+	i += 40;
+	for (i = 0; i < 5120; i += chunk * 2) {
+		if (space - off < 32) {
+			off = -1;
+			goto done;
+		}
+
+		code[off + 1] = __cpu_to_le16(0x8000 | mem);
+
+		chunk = 28;
+		if (mem + chunk > 0x4000)
+			chunk = 0x4000 - mem;
+		if (i + 2 * chunk > 5120)
+			chunk = (5120 - i) / 2;
+
+		if (chunk < 28) {
+			code[off] = __cpu_to_le16(0x4000 | chunk);
+			code[off + 31] = __cpu_to_le16(addr);
+			if (mem + chunk == 0x4000) {
+				mem = 0x3e00;
+				++addr;
+			}
+		} else {
+			code[off] = __cpu_to_le16(0x1000 | 28);
+			code[off + 31] = 0;
+			mem += 28;
+		}
+
+		memcpy(&code[off + 2], buf + i, chunk * 2);
+		off += 32;
+	}
+done:
+	kfree(buf);
+	return off;
+}
+
+static int vti_bitlen(struct go7007 *go)
+{
+	unsigned int i, max_time_incr = go->sensor_framerate / go->fps_scale;
+
+	for (i = 31; (max_time_incr & ((1 << i) - 1)) == max_time_incr; --i)
+		;
+	return i + 1;
+}
+
+static int mpeg4_frame_header(struct go7007 *go, unsigned char *buf,
+		int modulo, enum mpeg_frame_type frame)
+{
+	int i;
+	CODE_GEN(c, buf + 6);
+	int mb_count = (go->width >> 4) * (go->height >> 4);
+
+	CODE_ADD(c, frame == PFRAME ? 0x1 : 0x2, 2);
+	if (modulo)
+		CODE_ADD(c, 0x1, 1);
+	CODE_ADD(c, 0x1, 2);
+	CODE_ADD(c, 0, vti_bitlen(go));
+	CODE_ADD(c, 0x3, 2);
+	if (frame == PFRAME)
+		CODE_ADD(c, 0, 1);
+	CODE_ADD(c, 0xc, 11);
+	if (frame != PFRAME)
+		CODE_ADD(c, 0x4, 3);
+	if (frame != BFRAME_EMPTY) {
+		for (i = 0; i < mb_count; ++i) {
+			switch (frame) {
+			case PFRAME:
+				CODE_ADD(c, 0x1, 1);
+				break;
+			case BFRAME_PRE:
+				CODE_ADD(c, 0x47, 8);
+				break;
+			case BFRAME_POST:
+				CODE_ADD(c, 0x27, 7);
+				break;
+			case BFRAME_BIDIR:
+				CODE_ADD(c, 0x5f, 8);
+				break;
+			case BFRAME_EMPTY: /* keep compiler quiet */
+				break;
+			}
+		}
+	}
+
+	/* Byte-align with a zero followed by ones */
+	i = 8 - (CODE_LENGTH(c) % 8);
+	CODE_ADD(c, 0, 1);
+	CODE_ADD(c, (1 << (i - 1)) - 1, i - 1);
+
+	i = CODE_LENGTH(c) + 4 * 8;
+	buf[0] = i & 0xff;
+	buf[1] = i >> 8;
+	buf[2] = 0x00;
+	buf[3] = 0x00;
+	buf[4] = 0x01;
+	buf[5] = 0xb6;
+	return i;
+}
+
+static int mpeg4_sequence_header(struct go7007 *go, unsigned char *buf, int ext)
+{
+	const unsigned char head[] = { 0x00, 0x00, 0x01, 0xb0, go->pali,
+		0x00, 0x00, 0x01, 0xb5, 0x09,
+		0x00, 0x00, 0x01, 0x00,
+		0x00, 0x00, 0x01, 0x20, };
+	int i, aspect_ratio;
+	int fps = go->sensor_framerate / go->fps_scale;
+	CODE_GEN(c, buf + 2 + sizeof(head));
+
+	switch (go->aspect_ratio) {
+	case GO7007_RATIO_4_3:
+		aspect_ratio = go->standard == GO7007_STD_NTSC ? 3 : 2;
+		break;
+	case GO7007_RATIO_16_9:
+		aspect_ratio = go->standard == GO7007_STD_NTSC ? 5 : 4;
+		break;
+	default:
+		aspect_ratio = 1;
+		break;
+	}
+
+	memcpy(buf + 2, head, sizeof(head));
+	CODE_ADD(c, 0x191, 17);
+	CODE_ADD(c, aspect_ratio, 4);
+	CODE_ADD(c, 0x1, 4);
+	CODE_ADD(c, fps, 16);
+	CODE_ADD(c, 0x3, 2);
+	CODE_ADD(c, 1001, vti_bitlen(go));
+	CODE_ADD(c, 1, 1);
+	CODE_ADD(c, go->width, 13);
+	CODE_ADD(c, 1, 1);
+	CODE_ADD(c, go->height, 13);
+	CODE_ADD(c, 0x2830, 14);
+
+	/* Byte-align */
+	i = 8 - (CODE_LENGTH(c) % 8);
+	CODE_ADD(c, 0, 1);
+	CODE_ADD(c, (1 << (i - 1)) - 1, i - 1);
+
+	i = CODE_LENGTH(c) + sizeof(head) * 8;
+	buf[0] = i & 0xff;
+	buf[1] = i >> 8;
+	return i;
+}
+
+static int gen_mpeg4hdr_to_package(struct go7007 *go,
+					__le16 *code, int space, int *framelen)
+{
+	u8 *buf;
+	u16 mem = 0x3e00;
+	unsigned int addr = 0x19;
+	int i, off = 0, chunk;
+
+	buf = kzalloc(5120, GFP_KERNEL);
+	if (buf == NULL)
+		return -ENOMEM;
+
+	framelen[0] = mpeg4_frame_header(go, buf, 0, PFRAME);
+	i = 368;
+	framelen[1] = mpeg4_frame_header(go, buf + i, 0, BFRAME_PRE);
+	i += 1632;
+	framelen[2] = mpeg4_frame_header(go, buf + i, 0, BFRAME_POST);
+	i += 1432;
+	framelen[3] = mpeg4_frame_header(go, buf + i, 0, BFRAME_BIDIR);
+	i += 1632;
+	mpeg4_frame_header(go, buf + i, 0, BFRAME_EMPTY);
+	i += 16;
+	mpeg4_sequence_header(go, buf + i, 0);
+	i += 40;
+	for (i = 0; i < 5120; i += chunk * 2) {
+		if (space - off < 32) {
+			off = -1;
+			goto done;
+		}
+
+		code[off + 1] = __cpu_to_le16(0x8000 | mem);
+
+		chunk = 28;
+		if (mem + chunk > 0x4000)
+			chunk = 0x4000 - mem;
+		if (i + 2 * chunk > 5120)
+			chunk = (5120 - i) / 2;
+
+		if (chunk < 28) {
+			code[off] = __cpu_to_le16(0x4000 | chunk);
+			code[off + 31] = __cpu_to_le16(addr);
+			if (mem + chunk == 0x4000) {
+				mem = 0x3e00;
+				++addr;
+			}
+		} else {
+			code[off] = __cpu_to_le16(0x1000 | 28);
+			code[off + 31] = 0;
+			mem += 28;
+		}
+
+		memcpy(&code[off + 2], buf + i, chunk * 2);
+		off += 32;
+	}
+	mem = 0x3e00;
+	addr = go->ipb ? 0x14f9 : 0x0af9;
+	memset(buf, 0, 5120);
+	framelen[4] = mpeg4_frame_header(go, buf, 1, PFRAME);
+	i = 368;
+	framelen[5] = mpeg4_frame_header(go, buf + i, 1, BFRAME_PRE);
+	i += 1632;
+	framelen[6] = mpeg4_frame_header(go, buf + i, 1, BFRAME_POST);
+	i += 1432;
+	framelen[7] = mpeg4_frame_header(go, buf + i, 1, BFRAME_BIDIR);
+	i += 1632;
+	mpeg4_frame_header(go, buf + i, 1, BFRAME_EMPTY);
+	i += 16;
+	for (i = 0; i < 5120; i += chunk * 2) {
+		if (space - off < 32) {
+			off = -1;
+			goto done;
+		}
+
+		code[off + 1] = __cpu_to_le16(0x8000 | mem);
+
+		chunk = 28;
+		if (mem + chunk > 0x4000)
+			chunk = 0x4000 - mem;
+		if (i + 2 * chunk > 5120)
+			chunk = (5120 - i) / 2;
+
+		if (chunk < 28) {
+			code[off] = __cpu_to_le16(0x4000 | chunk);
+			code[off + 31] = __cpu_to_le16(addr);
+			if (mem + chunk == 0x4000) {
+				mem = 0x3e00;
+				++addr;
+			}
+		} else {
+			code[off] = __cpu_to_le16(0x1000 | 28);
+			code[off + 31] = 0;
+			mem += 28;
+		}
+
+		memcpy(&code[off + 2], buf + i, chunk * 2);
+		off += 32;
+	}
+done:
+	kfree(buf);
+	return off;
+}
+
+static int brctrl_to_package(struct go7007 *go,
+					__le16 *code, int space, int *framelen)
+{
+	int converge_speed = 0;
+	int lambda = (go->format == V4L2_PIX_FMT_MJPEG || go->dvd_mode) ?
+				100 : 0;
+	int peak_rate = 6 * go->bitrate / 5;
+	int vbv_buffer = go->format == V4L2_PIX_FMT_MJPEG ?
+				go->bitrate :
+				(go->dvd_mode ? 900000 : peak_rate);
+	int fps = go->sensor_framerate / go->fps_scale;
+	int q = 0;
+	/* Bizarre math below depends on rounding errors in division */
+	u32 sgop_expt_addr = go->bitrate / 32 * (go->ipb ? 3 : 1) * 1001 / fps;
+	u32 sgop_peak_addr = peak_rate / 32 * 1001 / fps;
+	u32 total_expt_addr = go->bitrate / 32 * 1000 / fps * (fps / 1000);
+	u32 vbv_alert_addr = vbv_buffer * 3 / (4 * 32);
+	u32 cplx[] = {
+		q > 0 ? sgop_expt_addr * q :
+			2 * go->width * go->height * (go->ipb ? 6 : 4) / 32,
+		q > 0 ? sgop_expt_addr * q :
+			2 * go->width * go->height * (go->ipb ? 6 : 4) / 32,
+		q > 0 ? sgop_expt_addr * q :
+			2 * go->width * go->height * (go->ipb ? 6 : 4) / 32,
+		q > 0 ? sgop_expt_addr * q :
+			2 * go->width * go->height * (go->ipb ? 6 : 4) / 32,
+	};
+	u32 calc_q = q > 0 ? q : cplx[0] / sgop_expt_addr;
+	u16 pack[] = {
+		0x200e,		0x0000,
+		0xBF20,		go->ipb ? converge_speed_ipb[converge_speed]
+					: converge_speed_ip[converge_speed],
+		0xBF21,		go->ipb ? 2 : 0,
+		0xBF22,		go->ipb ? LAMBDA_table[0][lambda / 2 + 50]
+					: 32767,
+		0xBF23,		go->ipb ? LAMBDA_table[1][lambda] : 32767,
+		0xBF24,		32767,
+		0xBF25,		lambda > 99 ? 32767 : LAMBDA_table[3][lambda],
+		0xBF26,		sgop_expt_addr & 0x0000FFFF,
+		0xBF27,		sgop_expt_addr >> 16,
+		0xBF28,		sgop_peak_addr & 0x0000FFFF,
+		0xBF29,		sgop_peak_addr >> 16,
+		0xBF2A,		vbv_alert_addr & 0x0000FFFF,
+		0xBF2B,		vbv_alert_addr >> 16,
+		0xBF2C,		0,
+		0xBF2D,		0,
+		0,		0,
+
+		0x200e,		0x0000,
+		0xBF2E,		vbv_alert_addr & 0x0000FFFF,
+		0xBF2F,		vbv_alert_addr >> 16,
+		0xBF30,		cplx[0] & 0x0000FFFF,
+		0xBF31,		cplx[0] >> 16,
+		0xBF32,		cplx[1] & 0x0000FFFF,
+		0xBF33,		cplx[1] >> 16,
+		0xBF34,		cplx[2] & 0x0000FFFF,
+		0xBF35,		cplx[2] >> 16,
+		0xBF36,		cplx[3] & 0x0000FFFF,
+		0xBF37,		cplx[3] >> 16,
+		0xBF38,		0,
+		0xBF39,		0,
+		0xBF3A,		total_expt_addr & 0x0000FFFF,
+		0xBF3B,		total_expt_addr >> 16,
+		0,		0,
+
+		0x200e,		0x0000,
+		0xBF3C,		total_expt_addr & 0x0000FFFF,
+		0xBF3D,		total_expt_addr >> 16,
+		0xBF3E,		0,
+		0xBF3F,		0,
+		0xBF48,		0,
+		0xBF49,		0,
+		0xBF4A,		calc_q < 4 ? 4 : (calc_q > 124 ? 124 : calc_q),
+		0xBF4B,		4,
+		0xBF4C,		0,
+		0xBF4D,		0,
+		0xBF4E,		0,
+		0xBF4F,		0,
+		0xBF50,		0,
+		0xBF51,		0,
+		0,		0,
+
+		0x200e,		0x0000,
+		0xBF40,		sgop_expt_addr & 0x0000FFFF,
+		0xBF41,		sgop_expt_addr >> 16,
+		0xBF42,		0,
+		0xBF43,		0,
+		0xBF44,		0,
+		0xBF45,		0,
+		0xBF46,		(go->width >> 4) * (go->height >> 4),
+		0xBF47,		0,
+		0xBF64,		0,
+		0xBF65,		0,
+		0xBF18,		framelen[4],
+		0xBF19,		framelen[5],
+		0xBF1A,		framelen[6],
+		0xBF1B,		framelen[7],
+		0,		0,
+
+#if 0
+		/* Remove once we don't care about matching */
+		0x200e,		0x0000,
+		0xBF56,		4,
+		0xBF57,		0,
+		0xBF58,		5,
+		0xBF59,		0,
+		0xBF5A,		6,
+		0xBF5B,		0,
+		0xBF5C,		8,
+		0xBF5D,		0,
+		0xBF5E,		1,
+		0xBF5F,		0,
+		0xBF60,		1,
+		0xBF61,		0,
+		0xBF62,		0,
+		0xBF63,		0,
+		0,		0,
+#else
+		0x2008,		0x0000,
+		0xBF56,		4,
+		0xBF57,		0,
+		0xBF58,		5,
+		0xBF59,		0,
+		0xBF5A,		6,
+		0xBF5B,		0,
+		0xBF5C,		8,
+		0xBF5D,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+#endif
+
+		0x200e,		0x0000,
+		0xBF10,		0,
+		0xBF11,		0,
+		0xBF12,		0,
+		0xBF13,		0,
+		0xBF14,		0,
+		0xBF15,		0,
+		0xBF16,		0,
+		0xBF17,		0,
+		0xBF7E,		0,
+		0xBF7F,		1,
+		0xBF52,		framelen[0],
+		0xBF53,		framelen[1],
+		0xBF54,		framelen[2],
+		0xBF55,		framelen[3],
+		0,		0,
+	};
+
+	return copy_packages(code, pack, 6, space);
+}
+
+static int config_package(struct go7007 *go, __le16 *code, int space)
+{
+	int fps = go->sensor_framerate / go->fps_scale / 1000;
+	int rows = go->interlace_coding ? go->height / 32 : go->height / 16;
+	int brc_window_size = fps;
+	int q_min = 2, q_max = 31;
+	int THACCoeffSet0 = 0;
+	u16 pack[] = {
+		0x200e,		0x0000,
+		0xc002,		0x14b4,
+		0xc003,		0x28b4,
+		0xc004,		0x3c5a,
+		0xdc05,		0x2a77,
+		0xc6c3,		go->format == V4L2_PIX_FMT_MPEG4 ? 0 :
+				(go->format == V4L2_PIX_FMT_H263 ? 0 : 1),
+		0xc680,		go->format == V4L2_PIX_FMT_MPEG4 ? 0xf1 :
+				(go->format == V4L2_PIX_FMT_H263 ? 0x61 :
+									0xd3),
+		0xc780,		0x0140,
+		0xe009,		0x0001,
+		0xc60f,		0x0008,
+		0xd4ff,		0x0002,
+		0xe403,		2340,
+		0xe406,		75,
+		0xd411,		0x0001,
+		0xd410,		0xa1d6,
+		0x0001,		0x2801,
+
+		0x200d,		0x0000,
+		0xe402,		0x018b,
+		0xe401,		0x8b01,
+		0xd472,		(go->board_info->sensor_flags &
+							GO7007_SENSOR_TV) &&
+						(!go->interlace_coding) ?
+					0x01b0 : 0x0170,
+		0xd475,		(go->board_info->sensor_flags &
+							GO7007_SENSOR_TV) &&
+						(!go->interlace_coding) ?
+					0x0008 : 0x0009,
+		0xc404,		go->interlace_coding ? 0x44 :
+				(go->format == V4L2_PIX_FMT_MPEG4 ? 0x11 :
+				(go->format == V4L2_PIX_FMT_MPEG1 ? 0x02 :
+				(go->format == V4L2_PIX_FMT_MPEG2 ? 0x04 :
+				(go->format == V4L2_PIX_FMT_H263  ? 0x08 :
+								     0x20)))),
+		0xbf0a,		(go->format == V4L2_PIX_FMT_MPEG4 ? 8 :
+				(go->format == V4L2_PIX_FMT_MPEG1 ? 1 :
+				(go->format == V4L2_PIX_FMT_MPEG2 ? 2 :
+				(go->format == V4L2_PIX_FMT_H263 ? 4 : 16)))) |
+				((go->repeat_seqhead ? 1 : 0) << 6) |
+				((go->dvd_mode ? 1 : 0) << 9) |
+				((go->gop_header_enable ? 1 : 0) << 10),
+		0xbf0b,		0,
+		0xdd5a,		go->ipb ? 0x14 : 0x0a,
+		0xbf0c,		0,
+		0xbf0d,		0,
+		0xc683,		THACCoeffSet0,
+		0xc40a,		(go->width << 4) | rows,
+		0xe01a,		go->board_info->hpi_buffer_cap,
+		0,		0,
+		0,		0,
+
+		0x2008,		0,
+		0xe402,		0x88,
+		0xe401,		0x8f01,
+		0xbf6a,		0,
+		0xbf6b,		0,
+		0xbf6c,		0,
+		0xbf6d,		0,
+		0xbf6e,		0,
+		0xbf6f,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+
+		0x200e,		0,
+		0xbf66,		brc_window_size,
+		0xbf67,		0,
+		0xbf68,		q_min,
+		0xbf69,		q_max,
+		0xbfe0,		0,
+		0xbfe1,		0,
+		0xbfe2,		0,
+		0xbfe3,		go->ipb ? 3 : 1,
+		0xc031,		go->board_info->sensor_flags &
+					GO7007_SENSOR_VBI ? 1 : 0,
+		0xc01c,		0x1f,
+		0xdd8c,		0x15,
+		0xdd94,		0x15,
+		0xdd88,		go->ipb ? 0x1401 : 0x0a01,
+		0xdd90,		go->ipb ? 0x1401 : 0x0a01,
+		0,		0,
+
+		0x200e,		0,
+		0xbfe4,		0,
+		0xbfe5,		0,
+		0xbfe6,		0,
+		0xbfe7,		fps << 8,
+		0xbfe8,		0x3a00,
+		0xbfe9,		0,
+		0xbfea,		0,
+		0xbfeb,		0,
+		0xbfec,		(go->interlace_coding ? 1 << 15 : 0) |
+					(go->modet_enable ? 0xa : 0) |
+					(go->board_info->sensor_flags &
+						GO7007_SENSOR_VBI ? 1 : 0),
+		0xbfed,		0,
+		0xbfee,		0,
+		0xbfef,		0,
+		0xbff0,		go->board_info->sensor_flags &
+					GO7007_SENSOR_TV ? 0xf060 : 0xb060,
+		0xbff1,		0,
+		0,		0,
+	};
+
+	return copy_packages(code, pack, 5, space);
+}
+
+static int seqhead_to_package(struct go7007 *go, __le16 *code, int space,
+	int (*sequence_header_func)(struct go7007 *go,
+		unsigned char *buf, int ext))
+{
+	int vop_time_increment_bitlength = vti_bitlen(go);
+	int fps = go->sensor_framerate / go->fps_scale *
+					(go->interlace_coding ? 2 : 1);
+	unsigned char buf[40] = { };
+	int len = sequence_header_func(go, buf, 1);
+	u16 pack[] = {
+		0x2006,		0,
+		0xbf08,		fps,
+		0xbf09,		0,
+		0xbff2,		vop_time_increment_bitlength,
+		0xbff3,		(1 << vop_time_increment_bitlength) - 1,
+		0xbfe6,		0,
+		0xbfe7,		(fps / 1000) << 8,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+
+		0x2007,		0,
+		0xc800,		buf[2] << 8 | buf[3],
+		0xc801,		buf[4] << 8 | buf[5],
+		0xc802,		buf[6] << 8 | buf[7],
+		0xc803,		buf[8] << 8 | buf[9],
+		0xc406,		64,
+		0xc407,		len - 64,
+		0xc61b,		1,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+
+		0x200e,		0,
+		0xc808,		buf[10] << 8 | buf[11],
+		0xc809,		buf[12] << 8 | buf[13],
+		0xc80a,		buf[14] << 8 | buf[15],
+		0xc80b,		buf[16] << 8 | buf[17],
+		0xc80c,		buf[18] << 8 | buf[19],
+		0xc80d,		buf[20] << 8 | buf[21],
+		0xc80e,		buf[22] << 8 | buf[23],
+		0xc80f,		buf[24] << 8 | buf[25],
+		0xc810,		buf[26] << 8 | buf[27],
+		0xc811,		buf[28] << 8 | buf[29],
+		0xc812,		buf[30] << 8 | buf[31],
+		0xc813,		buf[32] << 8 | buf[33],
+		0xc814,		buf[34] << 8 | buf[35],
+		0xc815,		buf[36] << 8 | buf[37],
+		0,		0,
+		0,		0,
+		0,		0,
+	};
+
+	return copy_packages(code, pack, 3, space);
+}
+
+static int relative_prime(int big, int little)
+{
+	int remainder;
+
+	while (little != 0) {
+		remainder = big % little;
+		big = little;
+		little = remainder;
+	}
+	return big;
+}
+
+static int avsync_to_package(struct go7007 *go, __le16 *code, int space)
+{
+	int arate = go->board_info->audio_rate * 1001 * go->fps_scale;
+	int ratio = arate / go->sensor_framerate;
+	int adjratio = ratio * 215 / 100;
+	int rprime = relative_prime(go->sensor_framerate,
+					arate % go->sensor_framerate);
+	int f1 = (arate % go->sensor_framerate) / rprime;
+	int f2 = (go->sensor_framerate - arate % go->sensor_framerate) / rprime;
+	u16 pack[] = {
+		0x200e,		0,
+		0xbf98,		(u16)((-adjratio) & 0xffff),
+		0xbf99,		(u16)((-adjratio) >> 16),
+		0xbf92,		0,
+		0xbf93,		0,
+		0xbff4,		f1 > f2 ? f1 : f2,
+		0xbff5,		f1 < f2 ? f1 : f2,
+		0xbff6,		f1 < f2 ? ratio : ratio + 1,
+		0xbff7,		f1 > f2 ? ratio : ratio + 1,
+		0xbff8,		0,
+		0xbff9,		0,
+		0xbffa,		adjratio & 0xffff,
+		0xbffb,		adjratio >> 16,
+		0xbf94,		0,
+		0xbf95,		0,
+		0,		0,
+	};
+
+	return copy_packages(code, pack, 1, space);
+}
+
+static int final_package(struct go7007 *go, __le16 *code, int space)
+{
+	int rows = go->interlace_coding ? go->height / 32 : go->height / 16;
+	u16 pack[] = {
+		0x8000,
+		0,
+		0,
+		0,
+		0,
+		0,
+		0,
+		2,
+		((go->board_info->sensor_flags & GO7007_SENSOR_TV) &&
+						(!go->interlace_coding) ?
+					(1 << 14) | (1 << 9) : 0) |
+			((go->encoder_subsample ? 1 : 0) << 8) |
+			(go->board_info->sensor_flags &
+				GO7007_SENSOR_CONFIG_MASK),
+		((go->encoder_v_halve ? 1 : 0) << 14) |
+			(go->encoder_v_halve ? rows << 9 : rows << 8) |
+			(go->encoder_h_halve ? 1 << 6 : 0) |
+			(go->encoder_h_halve ? go->width >> 3 : go->width >> 4),
+		(1 << 15) | (go->encoder_v_offset << 6) |
+			(1 << 7) | (go->encoder_h_offset >> 2),
+		(1 << 6),
+		0,
+		0,
+		((go->fps_scale - 1) << 8) |
+			(go->board_info->sensor_flags & GO7007_SENSOR_TV ?
+						(1 << 7) : 0) |
+			0x41,
+		go->ipb ? 0xd4c : 0x36b,
+		(rows << 8) | (go->width >> 4),
+		go->format == V4L2_PIX_FMT_MPEG4 ? 0x0404 : 0,
+		(1 << 15) | ((go->interlace_coding ? 1 : 0) << 13) |
+			((go->closed_gop ? 1 : 0) << 12) |
+			((go->format == V4L2_PIX_FMT_MPEG4 ? 1 : 0) << 11) |
+		/*	(1 << 9) |   */
+			((go->ipb ? 3 : 0) << 7) |
+			((go->modet_enable ? 1 : 0) << 2) |
+			((go->dvd_mode ? 1 : 0) << 1) | 1,
+		(go->format == V4L2_PIX_FMT_MPEG1 ? 0x89a0 :
+			(go->format == V4L2_PIX_FMT_MPEG2 ? 0x89a0 :
+			(go->format == V4L2_PIX_FMT_MJPEG ? 0x89a0 :
+			(go->format == V4L2_PIX_FMT_MPEG4 ? 0x8920 :
+			(go->format == V4L2_PIX_FMT_H263 ? 0x8920 : 0))))),
+		go->ipb ? 0x1f15 : 0x1f0b,
+		go->ipb ? 0x0015 : 0x000b,
+		go->ipb ? 0xa800 : 0x5800,
+		0xffff,
+		0x0020 + 0x034b * 0,
+		0x0020 + 0x034b * 1,
+		0x0020 + 0x034b * 2,
+		0x0020 + 0x034b * 3,
+		0x0020 + 0x034b * 4,
+		0x0020 + 0x034b * 5,
+		go->ipb ? (go->gop_size / 3) : go->gop_size,
+		(go->height >> 4) * (go->width >> 4) * 110 / 100,
+	};
+
+	return copy_packages(code, pack, 1, space);
+}
+
+static int audio_to_package(struct go7007 *go, __le16 *code, int space)
+{
+	int clock_config = ((go->board_info->audio_flags &
+				GO7007_AUDIO_I2S_MASTER ? 1 : 0) << 11) |
+			((go->board_info->audio_flags &
+				GO7007_AUDIO_OKI_MODE ? 1 : 0) << 8) |
+			(((go->board_info->audio_bclk_div / 4) - 1) << 4) |
+			(go->board_info->audio_main_div - 1);
+	u16 pack[] = {
+		0x200d,		0,
+		0x9002,		0,
+		0x9002,		0,
+		0x9031,		0,
+		0x9032,		0,
+		0x9033,		0,
+		0x9034,		0,
+		0x9035,		0,
+		0x9036,		0,
+		0x9037,		0,
+		0x9040,		0,
+		0x9000,		clock_config,
+		0x9001,		(go->board_info->audio_flags & 0xffff) |
+					(1 << 9),
+		0x9000,		((go->board_info->audio_flags &
+						GO7007_AUDIO_I2S_MASTER ?
+						1 : 0) << 10) |
+					clock_config,
+		0,		0,
+		0,		0,
+		0x2005,		0,
+		0x9041,		0,
+		0x9042,		256,
+		0x9043,		0,
+		0x9044,		16,
+		0x9045,		16,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+	};
+
+	return copy_packages(code, pack, 2, space);
+}
+
+static int modet_to_package(struct go7007 *go, __le16 *code, int space)
+{
+	bool has_modet0 = go->modet[0].enable;
+	bool has_modet1 = go->modet[1].enable;
+	bool has_modet2 = go->modet[2].enable;
+	bool has_modet3 = go->modet[3].enable;
+	int ret, mb, i, addr, cnt = 0;
+	u16 pack[32];
+	u16 thresholds[] = {
+		0x200e,		0,
+		0xbf82,		has_modet0 ? go->modet[0].pixel_threshold : 32767,
+		0xbf83,		has_modet1 ? go->modet[1].pixel_threshold : 32767,
+		0xbf84,		has_modet2 ? go->modet[2].pixel_threshold : 32767,
+		0xbf85,		has_modet3 ? go->modet[3].pixel_threshold : 32767,
+		0xbf86,		has_modet0 ? go->modet[0].motion_threshold : 32767,
+		0xbf87,		has_modet1 ? go->modet[1].motion_threshold : 32767,
+		0xbf88,		has_modet2 ? go->modet[2].motion_threshold : 32767,
+		0xbf89,		has_modet3 ? go->modet[3].motion_threshold : 32767,
+		0xbf8a,		has_modet0 ? go->modet[0].mb_threshold : 32767,
+		0xbf8b,		has_modet1 ? go->modet[1].mb_threshold : 32767,
+		0xbf8c,		has_modet2 ? go->modet[2].mb_threshold : 32767,
+		0xbf8d,		has_modet3 ? go->modet[3].mb_threshold : 32767,
+		0xbf8e,		0,
+		0xbf8f,		0,
+		0,		0,
+	};
+
+	ret = copy_packages(code, thresholds, 1, space);
+	if (ret < 0)
+		return -1;
+	cnt += ret;
+
+	addr = 0xbac0;
+	memset(pack, 0, 64);
+	i = 0;
+	for (mb = 0; mb < 1624; ++mb) {
+		pack[i * 2 + 3] <<= 2;
+		pack[i * 2 + 3] |= go->modet_map[mb];
+		if (mb % 8 != 7)
+			continue;
+		pack[i * 2 + 2] = addr++;
+		++i;
+		if (i == 10 || mb == 1623) {
+			pack[0] = 0x2000 | i;
+			ret = copy_packages(code + cnt, pack, 1, space - cnt);
+			if (ret < 0)
+				return -1;
+			cnt += ret;
+			i = 0;
+			memset(pack, 0, 64);
+		}
+		pack[i * 2 + 3] = 0;
+	}
+
+	memset(pack, 0, 64);
+	i = 0;
+	for (addr = 0xbb90; addr < 0xbbfa; ++addr) {
+		pack[i * 2 + 2] = addr;
+		pack[i * 2 + 3] = 0;
+		++i;
+		if (i == 10 || addr == 0xbbf9) {
+			pack[0] = 0x2000 | i;
+			ret = copy_packages(code + cnt, pack, 1, space - cnt);
+			if (ret < 0)
+				return -1;
+			cnt += ret;
+			i = 0;
+			memset(pack, 0, 64);
+		}
+	}
+	return cnt;
+}
+
+static noinline_for_stack int do_special(struct go7007 *go, u16 type,
+					 __le16 *code, int space, int *framelen)
+{
+	switch (type) {
+	case SPECIAL_FRM_HEAD:
+		switch (go->format) {
+		case V4L2_PIX_FMT_MJPEG:
+			return gen_mjpeghdr_to_package(go, code, space);
+		case V4L2_PIX_FMT_MPEG1:
+		case V4L2_PIX_FMT_MPEG2:
+			return gen_mpeg1hdr_to_package(go, code, space,
+								framelen);
+		case V4L2_PIX_FMT_MPEG4:
+			return gen_mpeg4hdr_to_package(go, code, space,
+								framelen);
+		default:
+			break;
+		}
+		break;
+	case SPECIAL_BRC_CTRL:
+		return brctrl_to_package(go, code, space, framelen);
+	case SPECIAL_CONFIG:
+		return config_package(go, code, space);
+	case SPECIAL_SEQHEAD:
+		switch (go->format) {
+		case V4L2_PIX_FMT_MPEG1:
+		case V4L2_PIX_FMT_MPEG2:
+			return seqhead_to_package(go, code, space,
+					mpeg1_sequence_header);
+		case V4L2_PIX_FMT_MPEG4:
+			return seqhead_to_package(go, code, space,
+					mpeg4_sequence_header);
+		default:
+			return 0;
+		}
+	case SPECIAL_AV_SYNC:
+		return avsync_to_package(go, code, space);
+	case SPECIAL_FINAL:
+		return final_package(go, code, space);
+	case SPECIAL_AUDIO:
+		return audio_to_package(go, code, space);
+	case SPECIAL_MODET:
+		return modet_to_package(go, code, space);
+	}
+	dev_err(go->dev,
+		"firmware file contains unsupported feature %04x\n", type);
+	return -1;
+}
+
+int go7007_construct_fw_image(struct go7007 *go, u8 **fw, int *fwlen)
+{
+	const struct firmware *fw_entry;
+	__le16 *code, *src;
+	int framelen[8] = { }; /* holds the lengths of empty frame templates */
+	int codespace = 64 * 1024, i = 0, srclen, chunk_len, chunk_flags;
+	int mode_flag;
+	int ret;
+
+	switch (go->format) {
+	case V4L2_PIX_FMT_MJPEG:
+		mode_flag = FLAG_MODE_MJPEG;
+		break;
+	case V4L2_PIX_FMT_MPEG1:
+		mode_flag = FLAG_MODE_MPEG1;
+		break;
+	case V4L2_PIX_FMT_MPEG2:
+		mode_flag = FLAG_MODE_MPEG2;
+		break;
+	case V4L2_PIX_FMT_MPEG4:
+		mode_flag = FLAG_MODE_MPEG4;
+		break;
+	default:
+		return -1;
+	}
+	if (request_firmware(&fw_entry, GO7007_FW_NAME, go->dev)) {
+		dev_err(go->dev,
+			"unable to load firmware from file \"%s\"\n",
+			GO7007_FW_NAME);
+		return -1;
+	}
+	code = kcalloc(codespace, 2, GFP_KERNEL);
+	if (code == NULL)
+		goto fw_failed;
+
+	src = (__le16 *)fw_entry->data;
+	srclen = fw_entry->size / 2;
+	while (srclen >= 2) {
+		chunk_flags = __le16_to_cpu(src[0]);
+		chunk_len = __le16_to_cpu(src[1]);
+		if (chunk_len + 2 > srclen) {
+			dev_err(go->dev,
+				"firmware file \"%s\" appears to be corrupted\n",
+				GO7007_FW_NAME);
+			goto fw_failed;
+		}
+		if (chunk_flags & mode_flag) {
+			if (chunk_flags & FLAG_SPECIAL) {
+				ret = do_special(go, __le16_to_cpu(src[2]),
+					&code[i], codespace - i, framelen);
+				if (ret < 0) {
+					dev_err(go->dev,
+						"insufficient memory for firmware construction\n");
+					goto fw_failed;
+				}
+				i += ret;
+			} else {
+				if (codespace - i < chunk_len) {
+					dev_err(go->dev,
+						"insufficient memory for firmware construction\n");
+					goto fw_failed;
+				}
+				memcpy(&code[i], &src[2], chunk_len * 2);
+				i += chunk_len;
+			}
+		}
+		srclen -= chunk_len + 2;
+		src += chunk_len + 2;
+	}
+	release_firmware(fw_entry);
+	*fw = (u8 *)code;
+	*fwlen = i * 2;
+	return 0;
+
+fw_failed:
+	kfree(code);
+	release_firmware(fw_entry);
+	return -1;
+}
+
+MODULE_FIRMWARE(GO7007_FW_NAME);
diff --git a/drivers/media/usb/go7007/go7007-i2c.c b/drivers/media/usb/go7007/go7007-i2c.c
new file mode 100644
index 000000000..2880370e4
--- /dev/null
+++ b/drivers/media/usb/go7007/go7007-i2c.c
@@ -0,0 +1,208 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2005-2006 Micronas USA Inc.
+ */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/sched.h>
+#include <linux/list.h>
+#include <linux/unistd.h>
+#include <linux/time.h>
+#include <linux/device.h>
+#include <linux/i2c.h>
+#include <linux/mutex.h>
+#include <linux/uaccess.h>
+
+#include "go7007-priv.h"
+
+/********************* Driver for on-board I2C adapter *********************/
+
+/* #define GO7007_I2C_DEBUG */
+
+#define SPI_I2C_ADDR_BASE		0x1400
+#define STATUS_REG_ADDR			(SPI_I2C_ADDR_BASE + 0x2)
+#define I2C_CTRL_REG_ADDR		(SPI_I2C_ADDR_BASE + 0x6)
+#define I2C_DEV_UP_ADDR_REG_ADDR	(SPI_I2C_ADDR_BASE + 0x7)
+#define I2C_LO_ADDR_REG_ADDR		(SPI_I2C_ADDR_BASE + 0x8)
+#define I2C_DATA_REG_ADDR		(SPI_I2C_ADDR_BASE + 0x9)
+#define I2C_CLKFREQ_REG_ADDR		(SPI_I2C_ADDR_BASE + 0xa)
+
+#define I2C_STATE_MASK			0x0007
+#define I2C_READ_READY_MASK		0x0008
+
+/* There is only one I2C port on the TW2804 that feeds all four GO7007 VIPs
+ * on the Adlink PCI-MPG24, so access is shared between all of them. */
+static DEFINE_MUTEX(adlink_mpg24_i2c_lock);
+
+static int go7007_i2c_xfer(struct go7007 *go, u16 addr, int read,
+		u16 command, int flags, u8 *data)
+{
+	int i, ret = -EIO;
+	u16 val;
+
+	if (go->status == STATUS_SHUTDOWN)
+		return -ENODEV;
+
+#ifdef GO7007_I2C_DEBUG
+	if (read)
+		dev_dbg(go->dev, "go7007-i2c: reading 0x%02x on 0x%02x\n",
+			command, addr);
+	else
+		dev_dbg(go->dev,
+			"go7007-i2c: writing 0x%02x to 0x%02x on 0x%02x\n",
+			*data, command, addr);
+#endif
+
+	mutex_lock(&go->hw_lock);
+
+	if (go->board_id == GO7007_BOARDID_ADLINK_MPG24) {
+		/* Bridge the I2C port on this GO7007 to the shared bus */
+		mutex_lock(&adlink_mpg24_i2c_lock);
+		go7007_write_addr(go, 0x3c82, 0x0020);
+	}
+
+	/* Wait for I2C adapter to be ready */
+	for (i = 0; i < 10; ++i) {
+		if (go7007_read_addr(go, STATUS_REG_ADDR, &val) < 0)
+			goto i2c_done;
+		if (!(val & I2C_STATE_MASK))
+			break;
+		msleep(100);
+	}
+	if (i == 10) {
+		dev_err(go->dev, "go7007-i2c: I2C adapter is hung\n");
+		goto i2c_done;
+	}
+
+	/* Set target register (command) */
+	go7007_write_addr(go, I2C_CTRL_REG_ADDR, flags);
+	go7007_write_addr(go, I2C_LO_ADDR_REG_ADDR, command);
+
+	/* If we're writing, send the data and target address and we're done */
+	if (!read) {
+		go7007_write_addr(go, I2C_DATA_REG_ADDR, *data);
+		go7007_write_addr(go, I2C_DEV_UP_ADDR_REG_ADDR,
+					(addr << 9) | (command >> 8));
+		ret = 0;
+		goto i2c_done;
+	}
+
+	/* Otherwise, we're reading.  First clear i2c_rx_data_rdy. */
+	if (go7007_read_addr(go, I2C_DATA_REG_ADDR, &val) < 0)
+		goto i2c_done;
+
+	/* Send the target address plus read flag */
+	go7007_write_addr(go, I2C_DEV_UP_ADDR_REG_ADDR,
+			(addr << 9) | 0x0100 | (command >> 8));
+
+	/* Wait for i2c_rx_data_rdy */
+	for (i = 0; i < 10; ++i) {
+		if (go7007_read_addr(go, STATUS_REG_ADDR, &val) < 0)
+			goto i2c_done;
+		if (val & I2C_READ_READY_MASK)
+			break;
+		msleep(100);
+	}
+	if (i == 10) {
+		dev_err(go->dev, "go7007-i2c: I2C adapter is hung\n");
+		goto i2c_done;
+	}
+
+	/* Retrieve the read byte */
+	if (go7007_read_addr(go, I2C_DATA_REG_ADDR, &val) < 0)
+		goto i2c_done;
+	*data = val;
+	ret = 0;
+
+i2c_done:
+	if (go->board_id == GO7007_BOARDID_ADLINK_MPG24) {
+		/* Isolate the I2C port on this GO7007 from the shared bus */
+		go7007_write_addr(go, 0x3c82, 0x0000);
+		mutex_unlock(&adlink_mpg24_i2c_lock);
+	}
+	mutex_unlock(&go->hw_lock);
+	return ret;
+}
+
+static int go7007_smbus_xfer(struct i2c_adapter *adapter, u16 addr,
+		unsigned short flags, char read_write,
+		u8 command, int size, union i2c_smbus_data *data)
+{
+	struct go7007 *go = i2c_get_adapdata(adapter);
+
+	if (size != I2C_SMBUS_BYTE_DATA)
+		return -EIO;
+	return go7007_i2c_xfer(go, addr, read_write == I2C_SMBUS_READ, command,
+			flags & I2C_CLIENT_SCCB ? 0x10 : 0x00, &data->byte);
+}
+
+/* VERY LIMITED I2C master xfer function -- only needed because the
+ * SMBus functions only support 8-bit commands and the SAA7135 uses
+ * 16-bit commands.  The I2C interface on the GO7007, as limited as
+ * it is, does support this mode. */
+
+static int go7007_i2c_master_xfer(struct i2c_adapter *adapter,
+					struct i2c_msg msgs[], int num)
+{
+	struct go7007 *go = i2c_get_adapdata(adapter);
+	int i;
+
+	for (i = 0; i < num; ++i) {
+		/* We can only do two things here -- write three bytes, or
+		 * write two bytes and read one byte. */
+		if (msgs[i].len == 2) {
+			if (i + 1 == num || msgs[i].addr != msgs[i + 1].addr ||
+					(msgs[i].flags & I2C_M_RD) ||
+					!(msgs[i + 1].flags & I2C_M_RD) ||
+					msgs[i + 1].len != 1)
+				return -EIO;
+			if (go7007_i2c_xfer(go, msgs[i].addr, 1,
+					(msgs[i].buf[0] << 8) | msgs[i].buf[1],
+					0x01, &msgs[i + 1].buf[0]) < 0)
+				return -EIO;
+			++i;
+		} else if (msgs[i].len == 3) {
+			if (msgs[i].flags & I2C_M_RD)
+				return -EIO;
+			if (go7007_i2c_xfer(go, msgs[i].addr, 0,
+					(msgs[i].buf[0] << 8) | msgs[i].buf[1],
+					0x01, &msgs[i].buf[2]) < 0)
+				return -EIO;
+		} else
+			return -EIO;
+	}
+
+	return num;
+}
+
+static u32 go7007_functionality(struct i2c_adapter *adapter)
+{
+	return I2C_FUNC_SMBUS_BYTE_DATA;
+}
+
+static const struct i2c_algorithm go7007_algo = {
+	.smbus_xfer	= go7007_smbus_xfer,
+	.master_xfer	= go7007_i2c_master_xfer,
+	.functionality	= go7007_functionality,
+};
+
+static struct i2c_adapter go7007_adap_templ = {
+	.owner			= THIS_MODULE,
+	.name			= "WIS GO7007SB",
+	.algo			= &go7007_algo,
+};
+
+int go7007_i2c_init(struct go7007 *go)
+{
+	memcpy(&go->i2c_adapter, &go7007_adap_templ,
+			sizeof(go7007_adap_templ));
+	go->i2c_adapter.dev.parent = go->dev;
+	i2c_set_adapdata(&go->i2c_adapter, go);
+	if (i2c_add_adapter(&go->i2c_adapter) < 0) {
+		dev_err(go->dev,
+			"go7007-i2c: error: i2c_add_adapter failed\n");
+		return -1;
+	}
+	return 0;
+}
diff --git a/drivers/media/usb/go7007/go7007-loader.c b/drivers/media/usb/go7007/go7007-loader.c
new file mode 100644
index 000000000..243aa0ad0
--- /dev/null
+++ b/drivers/media/usb/go7007/go7007-loader.c
@@ -0,0 +1,133 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2008 Sensoray Company Inc.
+ */
+
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/usb.h>
+#include <linux/firmware.h>
+#include <cypress_firmware.h>
+
+struct fw_config {
+	u16 vendor;
+	u16 product;
+	const char * const fw_name1;
+	const char * const fw_name2;
+};
+
+static struct fw_config fw_configs[] = {
+	{ 0x1943, 0xa250, "go7007/s2250-1.fw", "go7007/s2250-2.fw" },
+	{ 0x093b, 0xa002, "go7007/px-m402u.fw", NULL },
+	{ 0x093b, 0xa004, "go7007/px-tv402u.fw", NULL },
+	{ 0x0eb1, 0x6666, "go7007/lr192.fw", NULL },
+	{ 0x0eb1, 0x6668, "go7007/wis-startrek.fw", NULL },
+	{ 0, 0, NULL, NULL }
+};
+MODULE_FIRMWARE("go7007/s2250-1.fw");
+MODULE_FIRMWARE("go7007/s2250-2.fw");
+MODULE_FIRMWARE("go7007/px-m402u.fw");
+MODULE_FIRMWARE("go7007/px-tv402u.fw");
+MODULE_FIRMWARE("go7007/lr192.fw");
+MODULE_FIRMWARE("go7007/wis-startrek.fw");
+
+static int go7007_loader_probe(struct usb_interface *interface,
+				const struct usb_device_id *id)
+{
+	struct usb_device *usbdev;
+	const struct firmware *fw;
+	u16 vendor, product;
+	const char *fw1, *fw2;
+	int ret;
+	int i;
+
+	usbdev = usb_get_dev(interface_to_usbdev(interface));
+	if (!usbdev)
+		goto failed2;
+
+	if (usbdev->descriptor.bNumConfigurations != 1) {
+		dev_err(&interface->dev, "can't handle multiple config\n");
+		goto failed2;
+	}
+
+	vendor = le16_to_cpu(usbdev->descriptor.idVendor);
+	product = le16_to_cpu(usbdev->descriptor.idProduct);
+
+	for (i = 0; fw_configs[i].fw_name1; i++)
+		if (fw_configs[i].vendor == vendor &&
+		    fw_configs[i].product == product)
+			break;
+
+	/* Should never happen */
+	if (fw_configs[i].fw_name1 == NULL)
+		goto failed2;
+
+	fw1 = fw_configs[i].fw_name1;
+	fw2 = fw_configs[i].fw_name2;
+
+	dev_info(&interface->dev, "loading firmware %s\n", fw1);
+
+	if (request_firmware(&fw, fw1, &usbdev->dev)) {
+		dev_err(&interface->dev,
+			"unable to load firmware from file \"%s\"\n", fw1);
+		goto failed2;
+	}
+	ret = cypress_load_firmware(usbdev, fw, CYPRESS_FX2);
+	release_firmware(fw);
+	if (0 != ret) {
+		dev_err(&interface->dev, "loader download failed\n");
+		goto failed2;
+	}
+
+	if (fw2 == NULL)
+		return 0;
+
+	if (request_firmware(&fw, fw2, &usbdev->dev)) {
+		dev_err(&interface->dev,
+			"unable to load firmware from file \"%s\"\n", fw2);
+		goto failed2;
+	}
+	ret = cypress_load_firmware(usbdev, fw, CYPRESS_FX2);
+	release_firmware(fw);
+	if (0 != ret) {
+		dev_err(&interface->dev, "firmware download failed\n");
+		goto failed2;
+	}
+	return 0;
+
+failed2:
+	usb_put_dev(usbdev);
+	dev_err(&interface->dev, "probe failed\n");
+	return -ENODEV;
+}
+
+static void go7007_loader_disconnect(struct usb_interface *interface)
+{
+	dev_info(&interface->dev, "disconnect\n");
+	usb_put_dev(interface_to_usbdev(interface));
+	usb_set_intfdata(interface, NULL);
+}
+
+static const struct usb_device_id go7007_loader_ids[] = {
+	{ USB_DEVICE(0x1943, 0xa250) },
+	{ USB_DEVICE(0x093b, 0xa002) },
+	{ USB_DEVICE(0x093b, 0xa004) },
+	{ USB_DEVICE(0x0eb1, 0x6666) },
+	{ USB_DEVICE(0x0eb1, 0x6668) },
+	{}                          /* Terminating entry */
+};
+
+MODULE_DEVICE_TABLE(usb, go7007_loader_ids);
+
+static struct usb_driver go7007_loader_driver = {
+	.name		= "go7007-loader",
+	.probe		= go7007_loader_probe,
+	.disconnect	= go7007_loader_disconnect,
+	.id_table	= go7007_loader_ids,
+};
+
+module_usb_driver(go7007_loader_driver);
+
+MODULE_AUTHOR("");
+MODULE_DESCRIPTION("firmware loader for go7007-usb");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/media/usb/go7007/go7007-priv.h b/drivers/media/usb/go7007/go7007-priv.h
new file mode 100644
index 000000000..94ce06986
--- /dev/null
+++ b/drivers/media/usb/go7007/go7007-priv.h
@@ -0,0 +1,298 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2005-2006 Micronas USA Inc.
+ */
+
+/*
+ * This is the private include file for the go7007 driver.  It should not
+ * be included by anybody but the driver itself, and especially not by
+ * user-space applications.
+ */
+
+#include <media/v4l2-device.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-fh.h>
+#include <media/videobuf2-v4l2.h>
+
+struct go7007;
+
+/* IDs to activate board-specific support code */
+#define GO7007_BOARDID_MATRIX_II	0
+#define GO7007_BOARDID_MATRIX_RELOAD	1
+#define GO7007_BOARDID_STAR_TREK	2
+#define GO7007_BOARDID_PCI_VOYAGER	3
+#define GO7007_BOARDID_XMEN		4
+#define GO7007_BOARDID_XMEN_II		5
+#define GO7007_BOARDID_XMEN_III		6
+#define GO7007_BOARDID_MATRIX_REV	7
+#define GO7007_BOARDID_PX_M402U		8
+#define GO7007_BOARDID_PX_TV402U	9
+#define GO7007_BOARDID_LIFEVIEW_LR192	10 /* TV Walker Ultra */
+#define GO7007_BOARDID_ENDURA		11
+#define GO7007_BOARDID_ADLINK_MPG24	12
+#define GO7007_BOARDID_SENSORAY_2250	13 /* Sensoray 2250/2251 */
+#define GO7007_BOARDID_ADS_USBAV_709    14
+
+/* Various characteristics of each board */
+#define GO7007_BOARD_HAS_AUDIO		(1<<0)
+#define GO7007_BOARD_USE_ONBOARD_I2C	(1<<1)
+#define GO7007_BOARD_HAS_TUNER		(1<<2)
+
+/* Characteristics of sensor devices */
+#define GO7007_SENSOR_VALID_POLAR	(1<<0)
+#define GO7007_SENSOR_HREF_POLAR	(1<<1)
+#define GO7007_SENSOR_VREF_POLAR	(1<<2)
+#define GO7007_SENSOR_FIELD_ID_POLAR	(1<<3)
+#define GO7007_SENSOR_BIT_WIDTH		(1<<4)
+#define GO7007_SENSOR_VALID_ENABLE	(1<<5)
+#define GO7007_SENSOR_656		(1<<6)
+#define GO7007_SENSOR_CONFIG_MASK	0x7f
+#define GO7007_SENSOR_TV		(1<<7)
+#define GO7007_SENSOR_VBI		(1<<8)
+#define GO7007_SENSOR_SCALING		(1<<9)
+#define GO7007_SENSOR_SAA7115		(1<<10)
+
+/* Characteristics of audio sensor devices */
+#define GO7007_AUDIO_I2S_MODE_1		(1)
+#define GO7007_AUDIO_I2S_MODE_2		(2)
+#define GO7007_AUDIO_I2S_MODE_3		(3)
+#define GO7007_AUDIO_BCLK_POLAR		(1<<2)
+#define GO7007_AUDIO_WORD_14		(14<<4)
+#define GO7007_AUDIO_WORD_16		(16<<4)
+#define GO7007_AUDIO_ONE_CHANNEL	(1<<11)
+#define GO7007_AUDIO_I2S_MASTER		(1<<16)
+#define GO7007_AUDIO_OKI_MODE		(1<<17)
+
+#define GO7007_CID_CUSTOM_BASE		(V4L2_CID_DETECT_CLASS_BASE + 0x1000)
+#define V4L2_CID_PIXEL_THRESHOLD0	(GO7007_CID_CUSTOM_BASE+1)
+#define V4L2_CID_MOTION_THRESHOLD0	(GO7007_CID_CUSTOM_BASE+2)
+#define V4L2_CID_MB_THRESHOLD0		(GO7007_CID_CUSTOM_BASE+3)
+#define V4L2_CID_PIXEL_THRESHOLD1	(GO7007_CID_CUSTOM_BASE+4)
+#define V4L2_CID_MOTION_THRESHOLD1	(GO7007_CID_CUSTOM_BASE+5)
+#define V4L2_CID_MB_THRESHOLD1		(GO7007_CID_CUSTOM_BASE+6)
+#define V4L2_CID_PIXEL_THRESHOLD2	(GO7007_CID_CUSTOM_BASE+7)
+#define V4L2_CID_MOTION_THRESHOLD2	(GO7007_CID_CUSTOM_BASE+8)
+#define V4L2_CID_MB_THRESHOLD2		(GO7007_CID_CUSTOM_BASE+9)
+#define V4L2_CID_PIXEL_THRESHOLD3	(GO7007_CID_CUSTOM_BASE+10)
+#define V4L2_CID_MOTION_THRESHOLD3	(GO7007_CID_CUSTOM_BASE+11)
+#define V4L2_CID_MB_THRESHOLD3		(GO7007_CID_CUSTOM_BASE+12)
+
+struct go7007_board_info {
+	unsigned int flags;
+	int hpi_buffer_cap;
+	unsigned int sensor_flags;
+	int sensor_width;
+	int sensor_height;
+	int sensor_framerate;
+	int sensor_h_offset;
+	int sensor_v_offset;
+	unsigned int audio_flags;
+	int audio_rate;
+	int audio_bclk_div;
+	int audio_main_div;
+	int num_i2c_devs;
+	struct go_i2c {
+		const char *type;
+		unsigned int is_video:1;
+		unsigned int is_audio:1;
+		int addr;
+		u32 flags;
+	} i2c_devs[5];
+	int num_inputs;
+	struct {
+		int video_input;
+		int audio_index;
+		char *name;
+	} inputs[4];
+	int video_config;
+	int num_aud_inputs;
+	struct {
+		int audio_input;
+		char *name;
+	} aud_inputs[3];
+};
+
+struct go7007_hpi_ops {
+	int (*interface_reset)(struct go7007 *go);
+	int (*write_interrupt)(struct go7007 *go, int addr, int data);
+	int (*read_interrupt)(struct go7007 *go);
+	int (*stream_start)(struct go7007 *go);
+	int (*stream_stop)(struct go7007 *go);
+	int (*send_firmware)(struct go7007 *go, u8 *data, int len);
+	int (*send_command)(struct go7007 *go, unsigned int cmd, void *arg);
+	void (*release)(struct go7007 *go);
+};
+
+/* The video buffer size must be a multiple of PAGE_SIZE */
+#define	GO7007_BUF_PAGES	(128 * 1024 / PAGE_SIZE)
+#define	GO7007_BUF_SIZE		(GO7007_BUF_PAGES << PAGE_SHIFT)
+
+struct go7007_buffer {
+	struct vb2_v4l2_buffer vb;
+	struct list_head list;
+	unsigned int frame_offset;
+	u32 modet_active;
+};
+
+#define GO7007_RATIO_1_1	0
+#define GO7007_RATIO_4_3	1
+#define GO7007_RATIO_16_9	2
+
+enum go7007_parser_state {
+	STATE_DATA,
+	STATE_00,
+	STATE_00_00,
+	STATE_00_00_01,
+	STATE_FF,
+	STATE_VBI_LEN_A,
+	STATE_VBI_LEN_B,
+	STATE_MODET_MAP,
+	STATE_UNPARSED,
+};
+
+struct go7007 {
+	struct device *dev;
+	u8 bus_info[32];
+	const struct go7007_board_info *board_info;
+	unsigned int board_id;
+	int tuner_type;
+	int channel_number; /* for multi-channel boards like Adlink PCI-MPG24 */
+	char name[64];
+	struct video_device vdev;
+	void *boot_fw;
+	unsigned boot_fw_len;
+	struct v4l2_device v4l2_dev;
+	struct v4l2_ctrl_handler hdl;
+	struct v4l2_ctrl *mpeg_video_encoding;
+	struct v4l2_ctrl *mpeg_video_gop_size;
+	struct v4l2_ctrl *mpeg_video_gop_closure;
+	struct v4l2_ctrl *mpeg_video_bitrate;
+	struct v4l2_ctrl *mpeg_video_aspect_ratio;
+	struct v4l2_ctrl *mpeg_video_b_frames;
+	struct v4l2_ctrl *mpeg_video_rep_seqheader;
+	struct v4l2_ctrl *modet_mode;
+	enum { STATUS_INIT, STATUS_ONLINE, STATUS_SHUTDOWN } status;
+	spinlock_t spinlock;
+	struct mutex hw_lock;
+	struct mutex serialize_lock;
+	int audio_enabled;
+	struct v4l2_subdev *sd_video;
+	struct v4l2_subdev *sd_audio;
+	u8 usb_buf[16];
+
+	/* Video input */
+	int input;
+	int aud_input;
+	enum { GO7007_STD_NTSC, GO7007_STD_PAL, GO7007_STD_OTHER } standard;
+	v4l2_std_id std;
+	int sensor_framerate;
+	int width;
+	int height;
+	int encoder_h_offset;
+	int encoder_v_offset;
+	unsigned int encoder_h_halve:1;
+	unsigned int encoder_v_halve:1;
+	unsigned int encoder_subsample:1;
+
+	/* Encoder config */
+	u32 format;
+	int bitrate;
+	int fps_scale;
+	int pali;
+	int aspect_ratio;
+	int gop_size;
+	unsigned int ipb:1;
+	unsigned int closed_gop:1;
+	unsigned int repeat_seqhead:1;
+	unsigned int seq_header_enable:1;
+	unsigned int gop_header_enable:1;
+	unsigned int dvd_mode:1;
+	unsigned int interlace_coding:1;
+
+	/* Motion detection */
+	unsigned int modet_enable:1;
+	struct {
+		unsigned int enable:1;
+		int pixel_threshold;
+		int motion_threshold;
+		int mb_threshold;
+	} modet[4];
+	unsigned char modet_map[1624];
+	unsigned char active_map[216];
+	u32 modet_event_status;
+
+	/* Video streaming */
+	struct mutex queue_lock;
+	struct vb2_queue vidq;
+	enum go7007_parser_state state;
+	int parse_length;
+	u16 modet_word;
+	int seen_frame;
+	u32 next_seq;
+	struct list_head vidq_active;
+	wait_queue_head_t frame_waitq;
+	struct go7007_buffer *active_buf;
+
+	/* Audio streaming */
+	void (*audio_deliver)(struct go7007 *go, u8 *buf, int length);
+	void *snd_context;
+
+	/* I2C */
+	int i2c_adapter_online;
+	struct i2c_adapter i2c_adapter;
+
+	/* HPI driver */
+	const struct go7007_hpi_ops *hpi_ops;
+	void *hpi_context;
+	int interrupt_available;
+	wait_queue_head_t interrupt_waitq;
+	unsigned short interrupt_value;
+	unsigned short interrupt_data;
+};
+
+static inline struct go7007 *to_go7007(struct v4l2_device *v4l2_dev)
+{
+	return container_of(v4l2_dev, struct go7007, v4l2_dev);
+}
+
+/* All of these must be called with the hpi_lock mutex held! */
+#define go7007_interface_reset(go) \
+			((go)->hpi_ops->interface_reset(go))
+#define	go7007_write_interrupt(go, x, y) \
+			((go)->hpi_ops->write_interrupt)((go), (x), (y))
+#define go7007_stream_start(go) \
+			((go)->hpi_ops->stream_start(go))
+#define go7007_stream_stop(go) \
+			((go)->hpi_ops->stream_stop(go))
+#define	go7007_send_firmware(go, x, y) \
+			((go)->hpi_ops->send_firmware)((go), (x), (y))
+#define go7007_write_addr(go, x, y) \
+			((go)->hpi_ops->write_interrupt)((go), (x)|0x8000, (y))
+
+/* go7007-driver.c */
+int go7007_read_addr(struct go7007 *go, u16 addr, u16 *data);
+int go7007_read_interrupt(struct go7007 *go, u16 *value, u16 *data);
+int go7007_boot_encoder(struct go7007 *go, int init_i2c);
+int go7007_reset_encoder(struct go7007 *go);
+int go7007_register_encoder(struct go7007 *go, unsigned num_i2c_devs);
+int go7007_start_encoder(struct go7007 *go);
+void go7007_parse_video_stream(struct go7007 *go, u8 *buf, int length);
+struct go7007 *go7007_alloc(const struct go7007_board_info *board,
+					struct device *dev);
+void go7007_update_board(struct go7007 *go);
+
+/* go7007-fw.c */
+int go7007_construct_fw_image(struct go7007 *go, u8 **fw, int *fwlen);
+
+/* go7007-i2c.c */
+int go7007_i2c_init(struct go7007 *go);
+int go7007_i2c_remove(struct go7007 *go);
+
+/* go7007-v4l2.c */
+int go7007_v4l2_init(struct go7007 *go);
+int go7007_v4l2_ctrl_init(struct go7007 *go);
+void go7007_v4l2_remove(struct go7007 *go);
+
+/* snd-go7007.c */
+int go7007_snd_init(struct go7007 *go);
+int go7007_snd_remove(struct go7007 *go);
diff --git a/drivers/media/usb/go7007/go7007-usb.c b/drivers/media/usb/go7007/go7007-usb.c
new file mode 100644
index 000000000..eeb85981e
--- /dev/null
+++ b/drivers/media/usb/go7007/go7007-usb.c
@@ -0,0 +1,1353 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2005-2006 Micronas USA Inc.
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/wait.h>
+#include <linux/list.h>
+#include <linux/slab.h>
+#include <linux/time.h>
+#include <linux/mm.h>
+#include <linux/usb.h>
+#include <linux/i2c.h>
+#include <asm/byteorder.h>
+#include <media/i2c/saa7115.h>
+#include <media/tuner.h>
+#include <media/i2c/uda1342.h>
+
+#include "go7007-priv.h"
+
+static unsigned int assume_endura;
+module_param(assume_endura, int, 0644);
+MODULE_PARM_DESC(assume_endura,
+			"when probing fails, hardware is a Pelco Endura");
+
+/* #define GO7007_I2C_DEBUG */ /* for debugging the EZ-USB I2C adapter */
+
+#define	HPI_STATUS_ADDR	0xFFF4
+#define	INT_PARAM_ADDR	0xFFF6
+#define	INT_INDEX_ADDR	0xFFF8
+
+/*
+ * Pipes on EZ-USB interface:
+ *	0 snd - Control
+ *	0 rcv - Control
+ *	2 snd - Download firmware (control)
+ *	4 rcv - Read Interrupt (interrupt)
+ *	6 rcv - Read Video (bulk)
+ *	8 rcv - Read Audio (bulk)
+ */
+
+#define GO7007_USB_EZUSB		(1<<0)
+#define GO7007_USB_EZUSB_I2C		(1<<1)
+
+struct go7007_usb_board {
+	unsigned int flags;
+	struct go7007_board_info main_info;
+};
+
+struct go7007_usb {
+	const struct go7007_usb_board *board;
+	struct mutex i2c_lock;
+	struct usb_device *usbdev;
+	struct urb *video_urbs[8];
+	struct urb *audio_urbs[8];
+	struct urb *intr_urb;
+};
+
+/*********************** Product specification data ***********************/
+
+static const struct go7007_usb_board board_matrix_ii = {
+	.flags		= GO7007_USB_EZUSB,
+	.main_info	= {
+		.flags		 = GO7007_BOARD_HAS_AUDIO |
+					GO7007_BOARD_USE_ONBOARD_I2C,
+		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
+					GO7007_AUDIO_WORD_16,
+		.audio_rate	 = 48000,
+		.audio_bclk_div	 = 8,
+		.audio_main_div	 = 2,
+		.hpi_buffer_cap  = 7,
+		.sensor_flags	 = GO7007_SENSOR_656 |
+					GO7007_SENSOR_VALID_ENABLE |
+					GO7007_SENSOR_TV |
+					GO7007_SENSOR_SAA7115 |
+					GO7007_SENSOR_VBI |
+					GO7007_SENSOR_SCALING,
+		.num_i2c_devs	 = 1,
+		.i2c_devs	 = {
+			{
+				.type	= "saa7115",
+				.addr	= 0x20,
+				.is_video = 1,
+			},
+		},
+		.num_inputs	 = 2,
+		.inputs		 = {
+			{
+				.video_input	= 0,
+				.name		= "Composite",
+			},
+			{
+				.video_input	= 9,
+				.name		= "S-Video",
+			},
+		},
+		.video_config	= SAA7115_IDQ_IS_DEFAULT,
+	},
+};
+
+static const struct go7007_usb_board board_matrix_reload = {
+	.flags		= GO7007_USB_EZUSB,
+	.main_info	= {
+		.flags		 = GO7007_BOARD_HAS_AUDIO |
+					GO7007_BOARD_USE_ONBOARD_I2C,
+		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
+					GO7007_AUDIO_I2S_MASTER |
+					GO7007_AUDIO_WORD_16,
+		.audio_rate	 = 48000,
+		.audio_bclk_div	 = 8,
+		.audio_main_div	 = 2,
+		.hpi_buffer_cap  = 7,
+		.sensor_flags	 = GO7007_SENSOR_656 |
+					GO7007_SENSOR_TV,
+		.num_i2c_devs	 = 1,
+		.i2c_devs	 = {
+			{
+				.type	= "saa7113",
+				.addr	= 0x25,
+				.is_video = 1,
+			},
+		},
+		.num_inputs	 = 2,
+		.inputs		 = {
+			{
+				.video_input	= 0,
+				.name		= "Composite",
+			},
+			{
+				.video_input	= 9,
+				.name		= "S-Video",
+			},
+		},
+		.video_config	= SAA7115_IDQ_IS_DEFAULT,
+	},
+};
+
+static const struct go7007_usb_board board_star_trek = {
+	.flags		= GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
+	.main_info	= {
+		.flags		 = GO7007_BOARD_HAS_AUDIO, /* |
+					GO7007_BOARD_HAS_TUNER, */
+		.sensor_flags	 = GO7007_SENSOR_656 |
+					GO7007_SENSOR_VALID_ENABLE |
+					GO7007_SENSOR_TV |
+					GO7007_SENSOR_SAA7115 |
+					GO7007_SENSOR_VBI |
+					GO7007_SENSOR_SCALING,
+		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
+					GO7007_AUDIO_WORD_16,
+		.audio_bclk_div	 = 8,
+		.audio_main_div	 = 2,
+		.hpi_buffer_cap  = 7,
+		.num_i2c_devs	 = 1,
+		.i2c_devs	 = {
+			{
+				.type	= "saa7115",
+				.addr	= 0x20,
+				.is_video = 1,
+			},
+		},
+		.num_inputs	 = 2,
+		.inputs		 = {
+		/*	{
+		 *		.video_input	= 3,
+		 *		.audio_index	= AUDIO_TUNER,
+		 *		.name		= "Tuner",
+		 *	},
+		 */
+			{
+				.video_input	= 1,
+			/*	.audio_index	= AUDIO_EXTERN, */
+				.name		= "Composite",
+			},
+			{
+				.video_input	= 8,
+			/*	.audio_index	= AUDIO_EXTERN, */
+				.name		= "S-Video",
+			},
+		},
+		.video_config	= SAA7115_IDQ_IS_DEFAULT,
+	},
+};
+
+static const struct go7007_usb_board board_px_tv402u = {
+	.flags		= GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
+	.main_info	= {
+		.flags		 = GO7007_BOARD_HAS_AUDIO |
+					GO7007_BOARD_HAS_TUNER,
+		.sensor_flags	 = GO7007_SENSOR_656 |
+					GO7007_SENSOR_VALID_ENABLE |
+					GO7007_SENSOR_TV |
+					GO7007_SENSOR_SAA7115 |
+					GO7007_SENSOR_VBI |
+					GO7007_SENSOR_SCALING,
+		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
+					GO7007_AUDIO_WORD_16,
+		.audio_bclk_div	 = 8,
+		.audio_main_div	 = 2,
+		.hpi_buffer_cap  = 7,
+		.num_i2c_devs	 = 5,
+		.i2c_devs	 = {
+			{
+				.type	= "saa7115",
+				.addr	= 0x20,
+				.is_video = 1,
+			},
+			{
+				.type	= "uda1342",
+				.addr	= 0x1a,
+				.is_audio = 1,
+			},
+			{
+				.type	= "tuner",
+				.addr	= 0x60,
+			},
+			{
+				.type	= "tuner",
+				.addr	= 0x43,
+			},
+			{
+				.type	= "sony-btf-mpx",
+				.addr	= 0x44,
+			},
+		},
+		.num_inputs	 = 3,
+		.inputs		 = {
+			{
+				.video_input	= 3,
+				.audio_index	= 0,
+				.name		= "Tuner",
+			},
+			{
+				.video_input	= 1,
+				.audio_index	= 1,
+				.name		= "Composite",
+			},
+			{
+				.video_input	= 8,
+				.audio_index	= 1,
+				.name		= "S-Video",
+			},
+		},
+		.video_config	= SAA7115_IDQ_IS_DEFAULT,
+		.num_aud_inputs	 = 2,
+		.aud_inputs	 = {
+			{
+				.audio_input	= UDA1342_IN2,
+				.name		= "Tuner",
+			},
+			{
+				.audio_input	= UDA1342_IN1,
+				.name		= "Line In",
+			},
+		},
+	},
+};
+
+static const struct go7007_usb_board board_xmen = {
+	.flags		= 0,
+	.main_info	= {
+		.flags		  = GO7007_BOARD_USE_ONBOARD_I2C,
+		.hpi_buffer_cap   = 0,
+		.sensor_flags	  = GO7007_SENSOR_VREF_POLAR,
+		.sensor_width	  = 320,
+		.sensor_height	  = 240,
+		.sensor_framerate = 30030,
+		.audio_flags	  = GO7007_AUDIO_ONE_CHANNEL |
+					GO7007_AUDIO_I2S_MODE_3 |
+					GO7007_AUDIO_WORD_14 |
+					GO7007_AUDIO_I2S_MASTER |
+					GO7007_AUDIO_BCLK_POLAR |
+					GO7007_AUDIO_OKI_MODE,
+		.audio_rate	  = 8000,
+		.audio_bclk_div	  = 48,
+		.audio_main_div	  = 1,
+		.num_i2c_devs	  = 1,
+		.i2c_devs	  = {
+			{
+				.type	= "ov7640",
+				.addr	= 0x21,
+			},
+		},
+		.num_inputs	  = 1,
+		.inputs		  = {
+			{
+				.name		= "Camera",
+			},
+		},
+	},
+};
+
+static const struct go7007_usb_board board_matrix_revolution = {
+	.flags		= GO7007_USB_EZUSB,
+	.main_info	= {
+		.flags		 = GO7007_BOARD_HAS_AUDIO |
+					GO7007_BOARD_USE_ONBOARD_I2C,
+		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
+					GO7007_AUDIO_I2S_MASTER |
+					GO7007_AUDIO_WORD_16,
+		.audio_rate	 = 48000,
+		.audio_bclk_div	 = 8,
+		.audio_main_div	 = 2,
+		.hpi_buffer_cap  = 7,
+		.sensor_flags	 = GO7007_SENSOR_656 |
+					GO7007_SENSOR_TV |
+					GO7007_SENSOR_VBI,
+		.num_i2c_devs	 = 1,
+		.i2c_devs	 = {
+			{
+				.type	= "tw9903",
+				.is_video = 1,
+				.addr	= 0x44,
+			},
+		},
+		.num_inputs	 = 2,
+		.inputs		 = {
+			{
+				.video_input	= 2,
+				.name		= "Composite",
+			},
+			{
+				.video_input	= 8,
+				.name		= "S-Video",
+			},
+		},
+	},
+};
+
+#if 0
+static const struct go7007_usb_board board_lifeview_lr192 = {
+	.flags		= GO7007_USB_EZUSB,
+	.main_info	= {
+		.flags		 = GO7007_BOARD_HAS_AUDIO |
+					GO7007_BOARD_USE_ONBOARD_I2C,
+		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
+					GO7007_AUDIO_WORD_16,
+		.audio_rate	 = 48000,
+		.audio_bclk_div	 = 8,
+		.audio_main_div	 = 2,
+		.hpi_buffer_cap  = 7,
+		.sensor_flags	 = GO7007_SENSOR_656 |
+					GO7007_SENSOR_VALID_ENABLE |
+					GO7007_SENSOR_TV |
+					GO7007_SENSOR_VBI |
+					GO7007_SENSOR_SCALING,
+		.num_i2c_devs	 = 0,
+		.num_inputs	 = 1,
+		.inputs		 = {
+			{
+				.video_input	= 0,
+				.name		= "Composite",
+			},
+		},
+	},
+};
+#endif
+
+static const struct go7007_usb_board board_endura = {
+	.flags		= 0,
+	.main_info	= {
+		.flags		 = 0,
+		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
+					GO7007_AUDIO_I2S_MASTER |
+					GO7007_AUDIO_WORD_16,
+		.audio_rate	 = 8000,
+		.audio_bclk_div	 = 48,
+		.audio_main_div	 = 8,
+		.hpi_buffer_cap  = 0,
+		.sensor_flags	 = GO7007_SENSOR_656 |
+					GO7007_SENSOR_TV,
+		.sensor_h_offset = 8,
+		.num_i2c_devs	 = 0,
+		.num_inputs	 = 1,
+		.inputs		 = {
+			{
+				.name		= "Camera",
+			},
+		},
+	},
+};
+
+static const struct go7007_usb_board board_adlink_mpg24 = {
+	.flags		= 0,
+	.main_info	= {
+		.flags		 = GO7007_BOARD_USE_ONBOARD_I2C,
+		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
+					GO7007_AUDIO_I2S_MASTER |
+					GO7007_AUDIO_WORD_16,
+		.audio_rate	 = 48000,
+		.audio_bclk_div	 = 8,
+		.audio_main_div	 = 2,
+		.hpi_buffer_cap  = 0,
+		.sensor_flags	 = GO7007_SENSOR_656 |
+					GO7007_SENSOR_TV |
+					GO7007_SENSOR_VBI,
+		.num_i2c_devs	 = 1,
+		.i2c_devs	 = {
+			{
+				.type	= "tw2804",
+				.addr	= 0x00, /* yes, really */
+				.flags  = I2C_CLIENT_TEN,
+				.is_video = 1,
+			},
+		},
+		.num_inputs	 = 1,
+		.inputs		 = {
+			{
+				.name		= "Composite",
+			},
+		},
+	},
+};
+
+static const struct go7007_usb_board board_sensoray_2250 = {
+	.flags		= GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
+	.main_info	= {
+		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
+					GO7007_AUDIO_I2S_MASTER |
+					GO7007_AUDIO_WORD_16,
+		.flags		 = GO7007_BOARD_HAS_AUDIO,
+		.audio_rate	 = 48000,
+		.audio_bclk_div	 = 8,
+		.audio_main_div	 = 2,
+		.hpi_buffer_cap  = 7,
+		.sensor_flags	 = GO7007_SENSOR_656 |
+					GO7007_SENSOR_TV,
+		.num_i2c_devs	 = 1,
+		.i2c_devs	 = {
+			{
+				.type	= "s2250",
+				.addr	= 0x43,
+				.is_video = 1,
+				.is_audio = 1,
+			},
+		},
+		.num_inputs	 = 2,
+		.inputs		 = {
+			{
+				.video_input	= 0,
+				.name		= "Composite",
+			},
+			{
+				.video_input	= 1,
+				.name		= "S-Video",
+			},
+		},
+		.num_aud_inputs	 = 3,
+		.aud_inputs	 = {
+			{
+				.audio_input	= 0,
+				.name		= "Line In",
+			},
+			{
+				.audio_input	= 1,
+				.name		= "Mic",
+			},
+			{
+				.audio_input	= 2,
+				.name		= "Mic Boost",
+			},
+		},
+	},
+};
+
+static const struct go7007_usb_board board_ads_usbav_709 = {
+	.flags		= GO7007_USB_EZUSB,
+	.main_info	= {
+		.flags		 = GO7007_BOARD_HAS_AUDIO |
+					GO7007_BOARD_USE_ONBOARD_I2C,
+		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
+					GO7007_AUDIO_I2S_MASTER |
+					GO7007_AUDIO_WORD_16,
+		.audio_rate	 = 48000,
+		.audio_bclk_div	 = 8,
+		.audio_main_div	 = 2,
+		.hpi_buffer_cap  = 7,
+		.sensor_flags	 = GO7007_SENSOR_656 |
+					GO7007_SENSOR_TV |
+					GO7007_SENSOR_VBI,
+		.num_i2c_devs	 = 1,
+		.i2c_devs	 = {
+			{
+				.type	= "tw9906",
+				.is_video = 1,
+				.addr	= 0x44,
+			},
+		},
+		.num_inputs	 = 2,
+		.inputs		 = {
+			{
+				.video_input	= 0,
+				.name		= "Composite",
+			},
+			{
+				.video_input	= 10,
+				.name		= "S-Video",
+			},
+		},
+	},
+};
+
+static const struct usb_device_id go7007_usb_id_table[] = {
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
+					USB_DEVICE_ID_MATCH_INT_INFO,
+		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
+		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
+		.bcdDevice_lo	= 0x200,   /* Revision number of XMen */
+		.bcdDevice_hi	= 0x200,
+		.bInterfaceClass	= 255,
+		.bInterfaceSubClass	= 0,
+		.bInterfaceProtocol	= 255,
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_XMEN,
+	},
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
+		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
+		.bcdDevice_lo	= 0x202,   /* Revision number of Matrix II */
+		.bcdDevice_hi	= 0x202,
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_MATRIX_II,
+	},
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
+		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
+		.bcdDevice_lo	= 0x204,   /* Revision number of Matrix */
+		.bcdDevice_hi	= 0x204,   /*     Reloaded */
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_MATRIX_RELOAD,
+	},
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
+					USB_DEVICE_ID_MATCH_INT_INFO,
+		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
+		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
+		.bcdDevice_lo	= 0x205,   /* Revision number of XMen-II */
+		.bcdDevice_hi	= 0x205,
+		.bInterfaceClass	= 255,
+		.bInterfaceSubClass	= 0,
+		.bInterfaceProtocol	= 255,
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_XMEN_II,
+	},
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
+		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
+		.bcdDevice_lo	= 0x208,   /* Revision number of Star Trek */
+		.bcdDevice_hi	= 0x208,
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_STAR_TREK,
+	},
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
+					USB_DEVICE_ID_MATCH_INT_INFO,
+		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
+		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
+		.bcdDevice_lo	= 0x209,   /* Revision number of XMen-III */
+		.bcdDevice_hi	= 0x209,
+		.bInterfaceClass	= 255,
+		.bInterfaceSubClass	= 0,
+		.bInterfaceProtocol	= 255,
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_XMEN_III,
+	},
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
+		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
+		.bcdDevice_lo	= 0x210,   /* Revision number of Matrix */
+		.bcdDevice_hi	= 0x210,   /*     Revolution */
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_MATRIX_REV,
+	},
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+		.idVendor	= 0x093b,  /* Vendor ID of Plextor */
+		.idProduct	= 0xa102,  /* Product ID of M402U */
+		.bcdDevice_lo	= 0x1,	   /* revision number of Blueberry */
+		.bcdDevice_hi	= 0x1,
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_PX_M402U,
+	},
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+		.idVendor	= 0x093b,  /* Vendor ID of Plextor */
+		.idProduct	= 0xa104,  /* Product ID of TV402U */
+		.bcdDevice_lo	= 0x1,
+		.bcdDevice_hi	= 0x1,
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_PX_TV402U,
+	},
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+		.idVendor	= 0x10fd,  /* Vendor ID of Anubis Electronics */
+		.idProduct	= 0xde00,  /* Product ID of Lifeview LR192 */
+		.bcdDevice_lo	= 0x1,
+		.bcdDevice_hi	= 0x1,
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_LIFEVIEW_LR192,
+	},
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+		.idVendor	= 0x1943,  /* Vendor ID Sensoray */
+		.idProduct	= 0x2250,  /* Product ID of 2250/2251 */
+		.bcdDevice_lo	= 0x1,
+		.bcdDevice_hi	= 0x1,
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_SENSORAY_2250,
+	},
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+		.idVendor	= 0x06e1,  /* Vendor ID of ADS Technologies */
+		.idProduct	= 0x0709,  /* Product ID of DVD Xpress DX2 */
+		.bcdDevice_lo	= 0x204,
+		.bcdDevice_hi	= 0x204,
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_ADS_USBAV_709,
+	},
+	{ }					/* Terminating entry */
+};
+
+MODULE_DEVICE_TABLE(usb, go7007_usb_id_table);
+
+/********************* Driver for EZ-USB HPI interface *********************/
+
+static int go7007_usb_vendor_request(struct go7007 *go, int request,
+		int value, int index, void *transfer_buffer, int length, int in)
+{
+	struct go7007_usb *usb = go->hpi_context;
+	int timeout = 5000;
+
+	if (in) {
+		return usb_control_msg(usb->usbdev,
+				usb_rcvctrlpipe(usb->usbdev, 0), request,
+				USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
+				value, index, transfer_buffer, length, timeout);
+	} else {
+		return usb_control_msg(usb->usbdev,
+				usb_sndctrlpipe(usb->usbdev, 0), request,
+				USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+				value, index, transfer_buffer, length, timeout);
+	}
+}
+
+static int go7007_usb_interface_reset(struct go7007 *go)
+{
+	struct go7007_usb *usb = go->hpi_context;
+	u16 intr_val, intr_data;
+
+	if (go->status == STATUS_SHUTDOWN)
+		return -1;
+	/* Reset encoder */
+	if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
+		return -1;
+	msleep(100);
+
+	if (usb->board->flags & GO7007_USB_EZUSB) {
+		/* Reset buffer in EZ-USB */
+		pr_debug("resetting EZ-USB buffers\n");
+		if (go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0 ||
+		    go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0)
+			return -1;
+
+		/* Reset encoder again */
+		if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
+			return -1;
+		msleep(100);
+	}
+
+	/* Wait for an interrupt to indicate successful hardware reset */
+	if (go7007_read_interrupt(go, &intr_val, &intr_data) < 0 ||
+			(intr_val & ~0x1) != 0x55aa) {
+		dev_err(go->dev, "unable to reset the USB interface\n");
+		return -1;
+	}
+	return 0;
+}
+
+static int go7007_usb_ezusb_write_interrupt(struct go7007 *go,
+						int addr, int data)
+{
+	struct go7007_usb *usb = go->hpi_context;
+	int i, r;
+	u16 status_reg = 0;
+	int timeout = 500;
+
+	pr_debug("WriteInterrupt: %04x %04x\n", addr, data);
+
+	for (i = 0; i < 100; ++i) {
+		r = usb_control_msg(usb->usbdev,
+				usb_rcvctrlpipe(usb->usbdev, 0), 0x14,
+				USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
+				0, HPI_STATUS_ADDR, go->usb_buf,
+				sizeof(status_reg), timeout);
+		if (r < 0)
+			break;
+		status_reg = le16_to_cpu(*((__le16 *)go->usb_buf));
+		if (!(status_reg & 0x0010))
+			break;
+		msleep(10);
+	}
+	if (r < 0)
+		goto write_int_error;
+	if (i == 100) {
+		dev_err(go->dev, "device is hung, status reg = 0x%04x\n", status_reg);
+		return -1;
+	}
+	r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0), 0x12,
+			USB_TYPE_VENDOR | USB_RECIP_DEVICE, data,
+			INT_PARAM_ADDR, NULL, 0, timeout);
+	if (r < 0)
+		goto write_int_error;
+	r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0),
+			0x12, USB_TYPE_VENDOR | USB_RECIP_DEVICE, addr,
+			INT_INDEX_ADDR, NULL, 0, timeout);
+	if (r < 0)
+		goto write_int_error;
+	return 0;
+
+write_int_error:
+	dev_err(go->dev, "error in WriteInterrupt: %d\n", r);
+	return r;
+}
+
+static int go7007_usb_onboard_write_interrupt(struct go7007 *go,
+						int addr, int data)
+{
+	struct go7007_usb *usb = go->hpi_context;
+	int r;
+	int timeout = 500;
+
+	pr_debug("WriteInterrupt: %04x %04x\n", addr, data);
+
+	go->usb_buf[0] = data & 0xff;
+	go->usb_buf[1] = data >> 8;
+	go->usb_buf[2] = addr & 0xff;
+	go->usb_buf[3] = addr >> 8;
+	go->usb_buf[4] = go->usb_buf[5] = go->usb_buf[6] = go->usb_buf[7] = 0;
+	r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 2), 0x00,
+			USB_TYPE_VENDOR | USB_RECIP_ENDPOINT, 0x55aa,
+			0xf0f0, go->usb_buf, 8, timeout);
+	if (r < 0) {
+		dev_err(go->dev, "error in WriteInterrupt: %d\n", r);
+		return r;
+	}
+	return 0;
+}
+
+static void go7007_usb_readinterrupt_complete(struct urb *urb)
+{
+	struct go7007 *go = (struct go7007 *)urb->context;
+	__le16 *regs = (__le16 *)urb->transfer_buffer;
+	int status = urb->status;
+
+	if (status) {
+		if (status != -ESHUTDOWN &&
+				go->status != STATUS_SHUTDOWN) {
+			dev_err(go->dev, "error in read interrupt: %d\n", urb->status);
+		} else {
+			wake_up(&go->interrupt_waitq);
+			return;
+		}
+	} else if (urb->actual_length != urb->transfer_buffer_length) {
+		dev_err(go->dev, "short read in interrupt pipe!\n");
+	} else {
+		go->interrupt_available = 1;
+		go->interrupt_data = __le16_to_cpu(regs[0]);
+		go->interrupt_value = __le16_to_cpu(regs[1]);
+		pr_debug("ReadInterrupt: %04x %04x\n",
+				go->interrupt_value, go->interrupt_data);
+	}
+
+	wake_up(&go->interrupt_waitq);
+}
+
+static int go7007_usb_read_interrupt(struct go7007 *go)
+{
+	struct go7007_usb *usb = go->hpi_context;
+	int r;
+
+	r = usb_submit_urb(usb->intr_urb, GFP_KERNEL);
+	if (r < 0) {
+		dev_err(go->dev, "unable to submit interrupt urb: %d\n", r);
+		return r;
+	}
+	return 0;
+}
+
+static void go7007_usb_read_video_pipe_complete(struct urb *urb)
+{
+	struct go7007 *go = (struct go7007 *)urb->context;
+	int r, status = urb->status;
+
+	if (!vb2_is_streaming(&go->vidq)) {
+		wake_up_interruptible(&go->frame_waitq);
+		return;
+	}
+	if (status) {
+		dev_err(go->dev, "error in video pipe: %d\n", status);
+		return;
+	}
+	if (urb->actual_length != urb->transfer_buffer_length) {
+		dev_err(go->dev, "short read in video pipe!\n");
+		return;
+	}
+	go7007_parse_video_stream(go, urb->transfer_buffer, urb->actual_length);
+	r = usb_submit_urb(urb, GFP_ATOMIC);
+	if (r < 0)
+		dev_err(go->dev, "error in video pipe: %d\n", r);
+}
+
+static void go7007_usb_read_audio_pipe_complete(struct urb *urb)
+{
+	struct go7007 *go = (struct go7007 *)urb->context;
+	int r, status = urb->status;
+
+	if (!vb2_is_streaming(&go->vidq))
+		return;
+	if (status) {
+		dev_err(go->dev, "error in audio pipe: %d\n",
+			status);
+		return;
+	}
+	if (urb->actual_length != urb->transfer_buffer_length) {
+		dev_err(go->dev, "short read in audio pipe!\n");
+		return;
+	}
+	if (go->audio_deliver != NULL)
+		go->audio_deliver(go, urb->transfer_buffer, urb->actual_length);
+	r = usb_submit_urb(urb, GFP_ATOMIC);
+	if (r < 0)
+		dev_err(go->dev, "error in audio pipe: %d\n", r);
+}
+
+static int go7007_usb_stream_start(struct go7007 *go)
+{
+	struct go7007_usb *usb = go->hpi_context;
+	int i, r;
+
+	for (i = 0; i < 8; ++i) {
+		r = usb_submit_urb(usb->video_urbs[i], GFP_KERNEL);
+		if (r < 0) {
+			dev_err(go->dev, "error submitting video urb %d: %d\n", i, r);
+			goto video_submit_failed;
+		}
+	}
+	if (!go->audio_enabled)
+		return 0;
+
+	for (i = 0; i < 8; ++i) {
+		r = usb_submit_urb(usb->audio_urbs[i], GFP_KERNEL);
+		if (r < 0) {
+			dev_err(go->dev, "error submitting audio urb %d: %d\n", i, r);
+			goto audio_submit_failed;
+		}
+	}
+	return 0;
+
+audio_submit_failed:
+	for (i = 0; i < 7; ++i)
+		usb_kill_urb(usb->audio_urbs[i]);
+video_submit_failed:
+	for (i = 0; i < 8; ++i)
+		usb_kill_urb(usb->video_urbs[i]);
+	return -1;
+}
+
+static int go7007_usb_stream_stop(struct go7007 *go)
+{
+	struct go7007_usb *usb = go->hpi_context;
+	int i;
+
+	if (go->status == STATUS_SHUTDOWN)
+		return 0;
+	for (i = 0; i < 8; ++i)
+		usb_kill_urb(usb->video_urbs[i]);
+	if (go->audio_enabled)
+		for (i = 0; i < 8; ++i)
+			usb_kill_urb(usb->audio_urbs[i]);
+	return 0;
+}
+
+static int go7007_usb_send_firmware(struct go7007 *go, u8 *data, int len)
+{
+	struct go7007_usb *usb = go->hpi_context;
+	int transferred, pipe;
+	int timeout = 500;
+
+	pr_debug("DownloadBuffer sending %d bytes\n", len);
+
+	if (usb->board->flags & GO7007_USB_EZUSB)
+		pipe = usb_sndbulkpipe(usb->usbdev, 2);
+	else
+		pipe = usb_sndbulkpipe(usb->usbdev, 3);
+
+	return usb_bulk_msg(usb->usbdev, pipe, data, len,
+					&transferred, timeout);
+}
+
+static void go7007_usb_release(struct go7007 *go)
+{
+	struct go7007_usb *usb = go->hpi_context;
+	struct urb *vurb, *aurb;
+	int i;
+
+	if (usb->intr_urb) {
+		usb_kill_urb(usb->intr_urb);
+		kfree(usb->intr_urb->transfer_buffer);
+		usb_free_urb(usb->intr_urb);
+	}
+
+	/* Free USB-related structs */
+	for (i = 0; i < 8; ++i) {
+		vurb = usb->video_urbs[i];
+		if (vurb) {
+			usb_kill_urb(vurb);
+			kfree(vurb->transfer_buffer);
+			usb_free_urb(vurb);
+		}
+		aurb = usb->audio_urbs[i];
+		if (aurb) {
+			usb_kill_urb(aurb);
+			kfree(aurb->transfer_buffer);
+			usb_free_urb(aurb);
+		}
+	}
+
+	kfree(go->hpi_context);
+}
+
+static const struct go7007_hpi_ops go7007_usb_ezusb_hpi_ops = {
+	.interface_reset	= go7007_usb_interface_reset,
+	.write_interrupt	= go7007_usb_ezusb_write_interrupt,
+	.read_interrupt		= go7007_usb_read_interrupt,
+	.stream_start		= go7007_usb_stream_start,
+	.stream_stop		= go7007_usb_stream_stop,
+	.send_firmware		= go7007_usb_send_firmware,
+	.release		= go7007_usb_release,
+};
+
+static const struct go7007_hpi_ops go7007_usb_onboard_hpi_ops = {
+	.interface_reset	= go7007_usb_interface_reset,
+	.write_interrupt	= go7007_usb_onboard_write_interrupt,
+	.read_interrupt		= go7007_usb_read_interrupt,
+	.stream_start		= go7007_usb_stream_start,
+	.stream_stop		= go7007_usb_stream_stop,
+	.send_firmware		= go7007_usb_send_firmware,
+	.release		= go7007_usb_release,
+};
+
+/********************* Driver for EZ-USB I2C adapter *********************/
+
+static int go7007_usb_i2c_master_xfer(struct i2c_adapter *adapter,
+					struct i2c_msg msgs[], int num)
+{
+	struct go7007 *go = i2c_get_adapdata(adapter);
+	struct go7007_usb *usb = go->hpi_context;
+	u8 *buf = go->usb_buf;
+	int buf_len, i;
+	int ret = -EIO;
+
+	if (go->status == STATUS_SHUTDOWN)
+		return -ENODEV;
+
+	mutex_lock(&usb->i2c_lock);
+
+	for (i = 0; i < num; ++i) {
+		/* The hardware command is "write some bytes then read some
+		 * bytes", so we try to coalesce a write followed by a read
+		 * into a single USB transaction */
+		if (i + 1 < num && msgs[i].addr == msgs[i + 1].addr &&
+				!(msgs[i].flags & I2C_M_RD) &&
+				(msgs[i + 1].flags & I2C_M_RD)) {
+#ifdef GO7007_I2C_DEBUG
+			pr_debug("i2c write/read %d/%d bytes on %02x\n",
+				msgs[i].len, msgs[i + 1].len, msgs[i].addr);
+#endif
+			buf[0] = 0x01;
+			buf[1] = msgs[i].len + 1;
+			buf[2] = msgs[i].addr << 1;
+			memcpy(&buf[3], msgs[i].buf, msgs[i].len);
+			buf_len = msgs[i].len + 3;
+			buf[buf_len++] = msgs[++i].len;
+		} else if (msgs[i].flags & I2C_M_RD) {
+#ifdef GO7007_I2C_DEBUG
+			pr_debug("i2c read %d bytes on %02x\n",
+					msgs[i].len, msgs[i].addr);
+#endif
+			buf[0] = 0x01;
+			buf[1] = 1;
+			buf[2] = msgs[i].addr << 1;
+			buf[3] = msgs[i].len;
+			buf_len = 4;
+		} else {
+#ifdef GO7007_I2C_DEBUG
+			pr_debug("i2c write %d bytes on %02x\n",
+					msgs[i].len, msgs[i].addr);
+#endif
+			buf[0] = 0x00;
+			buf[1] = msgs[i].len + 1;
+			buf[2] = msgs[i].addr << 1;
+			memcpy(&buf[3], msgs[i].buf, msgs[i].len);
+			buf_len = msgs[i].len + 3;
+			buf[buf_len++] = 0;
+		}
+		if (go7007_usb_vendor_request(go, 0x24, 0, 0,
+						buf, buf_len, 0) < 0)
+			goto i2c_done;
+		if (msgs[i].flags & I2C_M_RD) {
+			memset(buf, 0, msgs[i].len + 1);
+			if (go7007_usb_vendor_request(go, 0x25, 0, 0, buf,
+						msgs[i].len + 1, 1) < 0)
+				goto i2c_done;
+			memcpy(msgs[i].buf, buf + 1, msgs[i].len);
+		}
+	}
+	ret = num;
+
+i2c_done:
+	mutex_unlock(&usb->i2c_lock);
+	return ret;
+}
+
+static u32 go7007_usb_functionality(struct i2c_adapter *adapter)
+{
+	/* No errors are reported by the hardware, so we don't bother
+	 * supporting quick writes to avoid confusing probing */
+	return (I2C_FUNC_SMBUS_EMUL) & ~I2C_FUNC_SMBUS_QUICK;
+}
+
+static const struct i2c_algorithm go7007_usb_algo = {
+	.master_xfer	= go7007_usb_i2c_master_xfer,
+	.functionality	= go7007_usb_functionality,
+};
+
+static struct i2c_adapter go7007_usb_adap_templ = {
+	.owner			= THIS_MODULE,
+	.name			= "WIS GO7007SB EZ-USB",
+	.algo			= &go7007_usb_algo,
+};
+
+/********************* USB add/remove functions *********************/
+
+static int go7007_usb_probe(struct usb_interface *intf,
+		const struct usb_device_id *id)
+{
+	struct go7007 *go;
+	struct go7007_usb *usb;
+	const struct go7007_usb_board *board;
+	struct usb_device *usbdev = interface_to_usbdev(intf);
+	struct usb_host_endpoint *ep;
+	unsigned num_i2c_devs;
+	char *name;
+	int video_pipe, i, v_urb_len;
+
+	pr_debug("probing new GO7007 USB board\n");
+
+	switch (id->driver_info) {
+	case GO7007_BOARDID_MATRIX_II:
+		name = "WIS Matrix II or compatible";
+		board = &board_matrix_ii;
+		break;
+	case GO7007_BOARDID_MATRIX_RELOAD:
+		name = "WIS Matrix Reloaded or compatible";
+		board = &board_matrix_reload;
+		break;
+	case GO7007_BOARDID_MATRIX_REV:
+		name = "WIS Matrix Revolution or compatible";
+		board = &board_matrix_revolution;
+		break;
+	case GO7007_BOARDID_STAR_TREK:
+		name = "WIS Star Trek or compatible";
+		board = &board_star_trek;
+		break;
+	case GO7007_BOARDID_XMEN:
+		name = "WIS XMen or compatible";
+		board = &board_xmen;
+		break;
+	case GO7007_BOARDID_XMEN_II:
+		name = "WIS XMen II or compatible";
+		board = &board_xmen;
+		break;
+	case GO7007_BOARDID_XMEN_III:
+		name = "WIS XMen III or compatible";
+		board = &board_xmen;
+		break;
+	case GO7007_BOARDID_PX_M402U:
+		name = "Plextor PX-M402U";
+		board = &board_matrix_ii;
+		break;
+	case GO7007_BOARDID_PX_TV402U:
+		name = "Plextor PX-TV402U (unknown tuner)";
+		board = &board_px_tv402u;
+		break;
+	case GO7007_BOARDID_LIFEVIEW_LR192:
+		dev_err(&intf->dev, "The Lifeview TV Walker Ultra is not supported. Sorry!\n");
+		return -ENODEV;
+#if 0
+		name = "Lifeview TV Walker Ultra";
+		board = &board_lifeview_lr192;
+#endif
+		break;
+	case GO7007_BOARDID_SENSORAY_2250:
+		dev_info(&intf->dev, "Sensoray 2250 found\n");
+		name = "Sensoray 2250/2251";
+		board = &board_sensoray_2250;
+		break;
+	case GO7007_BOARDID_ADS_USBAV_709:
+		name = "ADS Tech DVD Xpress DX2";
+		board = &board_ads_usbav_709;
+		break;
+	default:
+		dev_err(&intf->dev, "unknown board ID %d!\n",
+				(unsigned int)id->driver_info);
+		return -ENODEV;
+	}
+
+	go = go7007_alloc(&board->main_info, &intf->dev);
+	if (go == NULL)
+		return -ENOMEM;
+
+	usb = kzalloc(sizeof(struct go7007_usb), GFP_KERNEL);
+	if (usb == NULL) {
+		kfree(go);
+		return -ENOMEM;
+	}
+
+	usb->board = board;
+	usb->usbdev = usbdev;
+	usb_make_path(usbdev, go->bus_info, sizeof(go->bus_info));
+	go->board_id = id->driver_info;
+	strscpy(go->name, name, sizeof(go->name));
+	if (board->flags & GO7007_USB_EZUSB)
+		go->hpi_ops = &go7007_usb_ezusb_hpi_ops;
+	else
+		go->hpi_ops = &go7007_usb_onboard_hpi_ops;
+	go->hpi_context = usb;
+
+	ep = usb->usbdev->ep_in[4];
+	if (!ep)
+		goto allocfail;
+
+	/* Allocate the URB and buffer for receiving incoming interrupts */
+	usb->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
+	if (usb->intr_urb == NULL)
+		goto allocfail;
+	usb->intr_urb->transfer_buffer = kmalloc_array(2, sizeof(u16),
+						       GFP_KERNEL);
+	if (usb->intr_urb->transfer_buffer == NULL)
+		goto allocfail;
+
+	if (usb_endpoint_type(&ep->desc) == USB_ENDPOINT_XFER_BULK)
+		usb_fill_bulk_urb(usb->intr_urb, usb->usbdev,
+			usb_rcvbulkpipe(usb->usbdev, 4),
+			usb->intr_urb->transfer_buffer, 2*sizeof(u16),
+			go7007_usb_readinterrupt_complete, go);
+	else
+		usb_fill_int_urb(usb->intr_urb, usb->usbdev,
+			usb_rcvintpipe(usb->usbdev, 4),
+			usb->intr_urb->transfer_buffer, 2*sizeof(u16),
+			go7007_usb_readinterrupt_complete, go, 8);
+	usb_set_intfdata(intf, &go->v4l2_dev);
+
+	/* Boot the GO7007 */
+	if (go7007_boot_encoder(go, go->board_info->flags &
+					GO7007_BOARD_USE_ONBOARD_I2C) < 0)
+		goto allocfail;
+
+	/* Register the EZ-USB I2C adapter, if we're using it */
+	if (board->flags & GO7007_USB_EZUSB_I2C) {
+		memcpy(&go->i2c_adapter, &go7007_usb_adap_templ,
+				sizeof(go7007_usb_adap_templ));
+		mutex_init(&usb->i2c_lock);
+		go->i2c_adapter.dev.parent = go->dev;
+		i2c_set_adapdata(&go->i2c_adapter, go);
+		if (i2c_add_adapter(&go->i2c_adapter) < 0) {
+			dev_err(go->dev, "error: i2c_add_adapter failed\n");
+			goto allocfail;
+		}
+		go->i2c_adapter_online = 1;
+	}
+
+	/* Pelco and Adlink reused the XMen and XMen-III vendor and product
+	 * IDs for their own incompatible designs.  We can detect XMen boards
+	 * by probing the sensor, but there is no way to probe the sensors on
+	 * the Pelco and Adlink designs so we default to the Adlink.  If it
+	 * is actually a Pelco, the user must set the assume_endura module
+	 * parameter. */
+	if ((go->board_id == GO7007_BOARDID_XMEN ||
+				go->board_id == GO7007_BOARDID_XMEN_III) &&
+			go->i2c_adapter_online) {
+		union i2c_smbus_data data;
+
+		/* Check to see if register 0x0A is 0x76 */
+		i2c_smbus_xfer(&go->i2c_adapter, 0x21, I2C_CLIENT_SCCB,
+			I2C_SMBUS_READ, 0x0A, I2C_SMBUS_BYTE_DATA, &data);
+		if (data.byte != 0x76) {
+			if (assume_endura) {
+				go->board_id = GO7007_BOARDID_ENDURA;
+				usb->board = board = &board_endura;
+				go->board_info = &board->main_info;
+				strscpy(go->name, "Pelco Endura",
+					sizeof(go->name));
+			} else {
+				u16 channel;
+
+				/* read channel number from GPIO[1:0] */
+				go7007_read_addr(go, 0x3c81, &channel);
+				channel &= 0x3;
+				go->board_id = GO7007_BOARDID_ADLINK_MPG24;
+				usb->board = board = &board_adlink_mpg24;
+				go->board_info = &board->main_info;
+				go->channel_number = channel;
+				snprintf(go->name, sizeof(go->name),
+					"Adlink PCI-MPG24, channel #%d",
+					channel);
+			}
+			go7007_update_board(go);
+		}
+	}
+
+	num_i2c_devs = go->board_info->num_i2c_devs;
+
+	/* Probe the tuner model on the TV402U */
+	if (go->board_id == GO7007_BOARDID_PX_TV402U) {
+		/* Board strapping indicates tuner model */
+		if (go7007_usb_vendor_request(go, 0x41, 0, 0, go->usb_buf, 3,
+					1) < 0) {
+			dev_err(go->dev, "GPIO read failed!\n");
+			goto allocfail;
+		}
+		switch (go->usb_buf[0] >> 6) {
+		case 1:
+			go->tuner_type = TUNER_SONY_BTF_PG472Z;
+			go->std = V4L2_STD_PAL;
+			strscpy(go->name, "Plextor PX-TV402U-EU",
+				sizeof(go->name));
+			break;
+		case 2:
+			go->tuner_type = TUNER_SONY_BTF_PK467Z;
+			go->std = V4L2_STD_NTSC_M_JP;
+			num_i2c_devs -= 2;
+			strscpy(go->name, "Plextor PX-TV402U-JP",
+				sizeof(go->name));
+			break;
+		case 3:
+			go->tuner_type = TUNER_SONY_BTF_PB463Z;
+			num_i2c_devs -= 2;
+			strscpy(go->name, "Plextor PX-TV402U-NA",
+				sizeof(go->name));
+			break;
+		default:
+			pr_debug("unable to detect tuner type!\n");
+			break;
+		}
+		/* Configure tuner mode selection inputs connected
+		 * to the EZ-USB GPIO output pins */
+		if (go7007_usb_vendor_request(go, 0x40, 0x7f02, 0,
+					NULL, 0, 0) < 0) {
+			dev_err(go->dev, "GPIO write failed!\n");
+			goto allocfail;
+		}
+	}
+
+	/* Print a nasty message if the user attempts to use a USB2.0 device in
+	 * a USB1.1 port.  There will be silent corruption of the stream. */
+	if ((board->flags & GO7007_USB_EZUSB) &&
+			usbdev->speed != USB_SPEED_HIGH)
+		dev_err(go->dev, "*** WARNING ***  This device must be connected to a USB 2.0 port! Attempting to capture video through a USB 1.1 port will result in stream corruption, even at low bitrates!\n");
+
+	/* Allocate the URBs and buffers for receiving the video stream */
+	if (board->flags & GO7007_USB_EZUSB) {
+		if (!usb->usbdev->ep_in[6])
+			goto allocfail;
+		v_urb_len = 1024;
+		video_pipe = usb_rcvbulkpipe(usb->usbdev, 6);
+	} else {
+		if (!usb->usbdev->ep_in[1])
+			goto allocfail;
+		v_urb_len = 512;
+		video_pipe = usb_rcvbulkpipe(usb->usbdev, 1);
+	}
+	for (i = 0; i < 8; ++i) {
+		usb->video_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
+		if (usb->video_urbs[i] == NULL)
+			goto allocfail;
+		usb->video_urbs[i]->transfer_buffer =
+						kmalloc(v_urb_len, GFP_KERNEL);
+		if (usb->video_urbs[i]->transfer_buffer == NULL)
+			goto allocfail;
+		usb_fill_bulk_urb(usb->video_urbs[i], usb->usbdev, video_pipe,
+				usb->video_urbs[i]->transfer_buffer, v_urb_len,
+				go7007_usb_read_video_pipe_complete, go);
+	}
+
+	/* Allocate the URBs and buffers for receiving the audio stream */
+	if ((board->flags & GO7007_USB_EZUSB) &&
+	    (board->main_info.flags & GO7007_BOARD_HAS_AUDIO)) {
+		if (!usb->usbdev->ep_in[8])
+			goto allocfail;
+		for (i = 0; i < 8; ++i) {
+			usb->audio_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
+			if (usb->audio_urbs[i] == NULL)
+				goto allocfail;
+			usb->audio_urbs[i]->transfer_buffer = kmalloc(4096,
+								GFP_KERNEL);
+			if (usb->audio_urbs[i]->transfer_buffer == NULL)
+				goto allocfail;
+			usb_fill_bulk_urb(usb->audio_urbs[i], usb->usbdev,
+				usb_rcvbulkpipe(usb->usbdev, 8),
+				usb->audio_urbs[i]->transfer_buffer, 4096,
+				go7007_usb_read_audio_pipe_complete, go);
+		}
+	}
+
+	/* Do any final GO7007 initialization, then register the
+	 * V4L2 and ALSA interfaces */
+	if (go7007_register_encoder(go, num_i2c_devs) < 0)
+		goto allocfail;
+
+	go->status = STATUS_ONLINE;
+	return 0;
+
+allocfail:
+	go7007_usb_release(go);
+	kfree(go);
+	return -ENOMEM;
+}
+
+static void go7007_usb_disconnect(struct usb_interface *intf)
+{
+	struct go7007 *go = to_go7007(usb_get_intfdata(intf));
+
+	mutex_lock(&go->queue_lock);
+	mutex_lock(&go->serialize_lock);
+
+	if (go->audio_enabled)
+		go7007_snd_remove(go);
+
+	go->status = STATUS_SHUTDOWN;
+	v4l2_device_disconnect(&go->v4l2_dev);
+	video_unregister_device(&go->vdev);
+	mutex_unlock(&go->serialize_lock);
+	mutex_unlock(&go->queue_lock);
+
+	v4l2_device_put(&go->v4l2_dev);
+}
+
+static struct usb_driver go7007_usb_driver = {
+	.name		= "go7007",
+	.probe		= go7007_usb_probe,
+	.disconnect	= go7007_usb_disconnect,
+	.id_table	= go7007_usb_id_table,
+};
+
+module_usb_driver(go7007_usb_driver);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/media/usb/go7007/go7007-v4l2.c b/drivers/media/usb/go7007/go7007-v4l2.c
new file mode 100644
index 000000000..b2edc4dea
--- /dev/null
+++ b/drivers/media/usb/go7007/go7007-v4l2.c
@@ -0,0 +1,1153 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2005-2006 Micronas USA Inc.
+ */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/sched.h>
+#include <linux/spinlock.h>
+#include <linux/slab.h>
+#include <linux/fs.h>
+#include <linux/unistd.h>
+#include <linux/time.h>
+#include <linux/vmalloc.h>
+#include <linux/pagemap.h>
+#include <linux/i2c.h>
+#include <linux/mutex.h>
+#include <linux/uaccess.h>
+#include <linux/videodev2.h>
+#include <media/v4l2-common.h>
+#include <media/v4l2-ioctl.h>
+#include <media/v4l2-subdev.h>
+#include <media/v4l2-event.h>
+#include <media/videobuf2-vmalloc.h>
+#include <media/i2c/saa7115.h>
+
+#include "go7007-priv.h"
+
+#define call_all(dev, o, f, args...) \
+	v4l2_device_call_until_err(dev, 0, o, f, ##args)
+
+static bool valid_pixelformat(u32 pixelformat)
+{
+	switch (pixelformat) {
+	case V4L2_PIX_FMT_MJPEG:
+	case V4L2_PIX_FMT_MPEG1:
+	case V4L2_PIX_FMT_MPEG2:
+	case V4L2_PIX_FMT_MPEG4:
+		return true;
+	default:
+		return false;
+	}
+}
+
+static u32 get_frame_type_flag(struct go7007_buffer *vb, int format)
+{
+	u8 *ptr = vb2_plane_vaddr(&vb->vb.vb2_buf, 0);
+
+	switch (format) {
+	case V4L2_PIX_FMT_MJPEG:
+		return V4L2_BUF_FLAG_KEYFRAME;
+	case V4L2_PIX_FMT_MPEG4:
+		switch ((ptr[vb->frame_offset + 4] >> 6) & 0x3) {
+		case 0:
+			return V4L2_BUF_FLAG_KEYFRAME;
+		case 1:
+			return V4L2_BUF_FLAG_PFRAME;
+		case 2:
+			return V4L2_BUF_FLAG_BFRAME;
+		default:
+			return 0;
+		}
+	case V4L2_PIX_FMT_MPEG1:
+	case V4L2_PIX_FMT_MPEG2:
+		switch ((ptr[vb->frame_offset + 5] >> 3) & 0x7) {
+		case 1:
+			return V4L2_BUF_FLAG_KEYFRAME;
+		case 2:
+			return V4L2_BUF_FLAG_PFRAME;
+		case 3:
+			return V4L2_BUF_FLAG_BFRAME;
+		default:
+			return 0;
+		}
+	}
+
+	return 0;
+}
+
+static void get_resolution(struct go7007 *go, int *width, int *height)
+{
+	switch (go->standard) {
+	case GO7007_STD_NTSC:
+		*width = 720;
+		*height = 480;
+		break;
+	case GO7007_STD_PAL:
+		*width = 720;
+		*height = 576;
+		break;
+	case GO7007_STD_OTHER:
+	default:
+		*width = go->board_info->sensor_width;
+		*height = go->board_info->sensor_height;
+		break;
+	}
+}
+
+static void set_formatting(struct go7007 *go)
+{
+	if (go->format == V4L2_PIX_FMT_MJPEG) {
+		go->pali = 0;
+		go->aspect_ratio = GO7007_RATIO_1_1;
+		go->gop_size = 0;
+		go->ipb = 0;
+		go->closed_gop = 0;
+		go->repeat_seqhead = 0;
+		go->seq_header_enable = 0;
+		go->gop_header_enable = 0;
+		go->dvd_mode = 0;
+		return;
+	}
+
+	switch (go->format) {
+	case V4L2_PIX_FMT_MPEG1:
+		go->pali = 0;
+		break;
+	default:
+	case V4L2_PIX_FMT_MPEG2:
+		go->pali = 0x48;
+		break;
+	case V4L2_PIX_FMT_MPEG4:
+		/* For future reference: this is the list of MPEG4
+		 * profiles that are available, although they are
+		 * untested:
+		 *
+		 * Profile		pali
+		 * --------------	----
+		 * PROFILE_S_L0		0x08
+		 * PROFILE_S_L1		0x01
+		 * PROFILE_S_L2		0x02
+		 * PROFILE_S_L3		0x03
+		 * PROFILE_ARTS_L1	0x91
+		 * PROFILE_ARTS_L2	0x92
+		 * PROFILE_ARTS_L3	0x93
+		 * PROFILE_ARTS_L4	0x94
+		 * PROFILE_AS_L0	0xf0
+		 * PROFILE_AS_L1	0xf1
+		 * PROFILE_AS_L2	0xf2
+		 * PROFILE_AS_L3	0xf3
+		 * PROFILE_AS_L4	0xf4
+		 * PROFILE_AS_L5	0xf5
+		 */
+		go->pali = 0xf5;
+		break;
+	}
+	go->gop_size = v4l2_ctrl_g_ctrl(go->mpeg_video_gop_size);
+	go->closed_gop = v4l2_ctrl_g_ctrl(go->mpeg_video_gop_closure);
+	go->ipb = v4l2_ctrl_g_ctrl(go->mpeg_video_b_frames) != 0;
+	go->bitrate = v4l2_ctrl_g_ctrl(go->mpeg_video_bitrate);
+	go->repeat_seqhead = v4l2_ctrl_g_ctrl(go->mpeg_video_rep_seqheader);
+	go->gop_header_enable = 1;
+	go->dvd_mode = 0;
+	if (go->format == V4L2_PIX_FMT_MPEG2)
+		go->dvd_mode =
+			go->bitrate == 9800000 &&
+			go->gop_size == 15 &&
+			go->ipb == 0 &&
+			go->repeat_seqhead == 1 &&
+			go->closed_gop;
+
+	switch (v4l2_ctrl_g_ctrl(go->mpeg_video_aspect_ratio)) {
+	default:
+	case V4L2_MPEG_VIDEO_ASPECT_1x1:
+		go->aspect_ratio = GO7007_RATIO_1_1;
+		break;
+	case V4L2_MPEG_VIDEO_ASPECT_4x3:
+		go->aspect_ratio = GO7007_RATIO_4_3;
+		break;
+	case V4L2_MPEG_VIDEO_ASPECT_16x9:
+		go->aspect_ratio = GO7007_RATIO_16_9;
+		break;
+	}
+}
+
+static int set_capture_size(struct go7007 *go, struct v4l2_format *fmt, int try)
+{
+	int sensor_height = 0, sensor_width = 0;
+	int width, height;
+
+	if (fmt != NULL && !valid_pixelformat(fmt->fmt.pix.pixelformat))
+		return -EINVAL;
+
+	get_resolution(go, &sensor_width, &sensor_height);
+
+	if (fmt == NULL) {
+		width = sensor_width;
+		height = sensor_height;
+	} else if (go->board_info->sensor_flags & GO7007_SENSOR_SCALING) {
+		if (fmt->fmt.pix.width > sensor_width)
+			width = sensor_width;
+		else if (fmt->fmt.pix.width < 144)
+			width = 144;
+		else
+			width = fmt->fmt.pix.width & ~0x0f;
+
+		if (fmt->fmt.pix.height > sensor_height)
+			height = sensor_height;
+		else if (fmt->fmt.pix.height < 96)
+			height = 96;
+		else
+			height = fmt->fmt.pix.height & ~0x0f;
+	} else {
+		width = fmt->fmt.pix.width;
+
+		if (width <= sensor_width / 4) {
+			width = sensor_width / 4;
+			height = sensor_height / 4;
+		} else if (width <= sensor_width / 2) {
+			width = sensor_width / 2;
+			height = sensor_height / 2;
+		} else {
+			width = sensor_width;
+			height = sensor_height;
+		}
+		width &= ~0xf;
+		height &= ~0xf;
+	}
+
+	if (fmt != NULL) {
+		u32 pixelformat = fmt->fmt.pix.pixelformat;
+
+		memset(fmt, 0, sizeof(*fmt));
+		fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+		fmt->fmt.pix.width = width;
+		fmt->fmt.pix.height = height;
+		fmt->fmt.pix.pixelformat = pixelformat;
+		fmt->fmt.pix.field = V4L2_FIELD_NONE;
+		fmt->fmt.pix.bytesperline = 0;
+		fmt->fmt.pix.sizeimage = GO7007_BUF_SIZE;
+		fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
+	}
+
+	if (try)
+		return 0;
+
+	if (fmt)
+		go->format = fmt->fmt.pix.pixelformat;
+	go->width = width;
+	go->height = height;
+	go->encoder_h_offset = go->board_info->sensor_h_offset;
+	go->encoder_v_offset = go->board_info->sensor_v_offset;
+
+	if (go->board_info->sensor_flags & GO7007_SENSOR_SCALING) {
+		struct v4l2_subdev_format format = {
+			.which = V4L2_SUBDEV_FORMAT_ACTIVE,
+		};
+
+		format.format.code = MEDIA_BUS_FMT_FIXED;
+		format.format.width = fmt ? fmt->fmt.pix.width : width;
+		format.format.height = height;
+		go->encoder_h_halve = 0;
+		go->encoder_v_halve = 0;
+		go->encoder_subsample = 0;
+		call_all(&go->v4l2_dev, pad, set_fmt, NULL, &format);
+	} else {
+		if (width <= sensor_width / 4) {
+			go->encoder_h_halve = 1;
+			go->encoder_v_halve = 1;
+			go->encoder_subsample = 1;
+		} else if (width <= sensor_width / 2) {
+			go->encoder_h_halve = 1;
+			go->encoder_v_halve = 1;
+			go->encoder_subsample = 0;
+		} else {
+			go->encoder_h_halve = 0;
+			go->encoder_v_halve = 0;
+			go->encoder_subsample = 0;
+		}
+	}
+	return 0;
+}
+
+static int vidioc_querycap(struct file *file, void  *priv,
+					struct v4l2_capability *cap)
+{
+	struct go7007 *go = video_drvdata(file);
+
+	strscpy(cap->driver, "go7007", sizeof(cap->driver));
+	strscpy(cap->card, go->name, sizeof(cap->card));
+	strscpy(cap->bus_info, go->bus_info, sizeof(cap->bus_info));
+	return 0;
+}
+
+static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
+					struct v4l2_fmtdesc *fmt)
+{
+	switch (fmt->index) {
+	case 0:
+		fmt->pixelformat = V4L2_PIX_FMT_MJPEG;
+		break;
+	case 1:
+		fmt->pixelformat = V4L2_PIX_FMT_MPEG1;
+		break;
+	case 2:
+		fmt->pixelformat = V4L2_PIX_FMT_MPEG2;
+		break;
+	case 3:
+		fmt->pixelformat = V4L2_PIX_FMT_MPEG4;
+		break;
+	default:
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
+					struct v4l2_format *fmt)
+{
+	struct go7007 *go = video_drvdata(file);
+
+	fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+	fmt->fmt.pix.width = go->width;
+	fmt->fmt.pix.height = go->height;
+	fmt->fmt.pix.pixelformat = go->format;
+	fmt->fmt.pix.field = V4L2_FIELD_NONE;
+	fmt->fmt.pix.bytesperline = 0;
+	fmt->fmt.pix.sizeimage = GO7007_BUF_SIZE;
+	fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
+
+	return 0;
+}
+
+static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
+			struct v4l2_format *fmt)
+{
+	struct go7007 *go = video_drvdata(file);
+
+	return set_capture_size(go, fmt, 1);
+}
+
+static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
+			struct v4l2_format *fmt)
+{
+	struct go7007 *go = video_drvdata(file);
+
+	if (vb2_is_busy(&go->vidq))
+		return -EBUSY;
+
+	return set_capture_size(go, fmt, 0);
+}
+
+static int go7007_queue_setup(struct vb2_queue *q,
+		unsigned int *num_buffers, unsigned int *num_planes,
+		unsigned int sizes[], struct device *alloc_devs[])
+{
+	sizes[0] = GO7007_BUF_SIZE;
+	*num_planes = 1;
+
+	if (*num_buffers < 2)
+		*num_buffers = 2;
+
+	return 0;
+}
+
+static void go7007_buf_queue(struct vb2_buffer *vb)
+{
+	struct vb2_queue *vq = vb->vb2_queue;
+	struct go7007 *go = vb2_get_drv_priv(vq);
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+	struct go7007_buffer *go7007_vb =
+		container_of(vbuf, struct go7007_buffer, vb);
+	unsigned long flags;
+
+	spin_lock_irqsave(&go->spinlock, flags);
+	list_add_tail(&go7007_vb->list, &go->vidq_active);
+	spin_unlock_irqrestore(&go->spinlock, flags);
+}
+
+static int go7007_buf_prepare(struct vb2_buffer *vb)
+{
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+	struct go7007_buffer *go7007_vb =
+		container_of(vbuf, struct go7007_buffer, vb);
+
+	go7007_vb->modet_active = 0;
+	go7007_vb->frame_offset = 0;
+	vb->planes[0].bytesused = 0;
+	return 0;
+}
+
+static void go7007_buf_finish(struct vb2_buffer *vb)
+{
+	struct vb2_queue *vq = vb->vb2_queue;
+	struct go7007 *go = vb2_get_drv_priv(vq);
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+	struct go7007_buffer *go7007_vb =
+		container_of(vbuf, struct go7007_buffer, vb);
+	u32 frame_type_flag = get_frame_type_flag(go7007_vb, go->format);
+
+	vbuf->flags &= ~(V4L2_BUF_FLAG_KEYFRAME | V4L2_BUF_FLAG_BFRAME |
+			V4L2_BUF_FLAG_PFRAME);
+	vbuf->flags |= frame_type_flag;
+	vbuf->field = V4L2_FIELD_NONE;
+}
+
+static int go7007_start_streaming(struct vb2_queue *q, unsigned int count)
+{
+	struct go7007 *go = vb2_get_drv_priv(q);
+	int ret;
+
+	set_formatting(go);
+	mutex_lock(&go->hw_lock);
+	go->next_seq = 0;
+	go->active_buf = NULL;
+	go->modet_event_status = 0;
+	q->streaming = 1;
+	if (go7007_start_encoder(go) < 0)
+		ret = -EIO;
+	else
+		ret = 0;
+	mutex_unlock(&go->hw_lock);
+	if (ret) {
+		q->streaming = 0;
+		return ret;
+	}
+	call_all(&go->v4l2_dev, video, s_stream, 1);
+	v4l2_ctrl_grab(go->mpeg_video_gop_size, true);
+	v4l2_ctrl_grab(go->mpeg_video_gop_closure, true);
+	v4l2_ctrl_grab(go->mpeg_video_bitrate, true);
+	v4l2_ctrl_grab(go->mpeg_video_aspect_ratio, true);
+	/* Turn on Capture LED */
+	if (go->board_id == GO7007_BOARDID_ADS_USBAV_709)
+		go7007_write_addr(go, 0x3c82, 0x0005);
+	return ret;
+}
+
+static void go7007_stop_streaming(struct vb2_queue *q)
+{
+	struct go7007 *go = vb2_get_drv_priv(q);
+	unsigned long flags;
+
+	q->streaming = 0;
+	go7007_stream_stop(go);
+	mutex_lock(&go->hw_lock);
+	go7007_reset_encoder(go);
+	mutex_unlock(&go->hw_lock);
+	call_all(&go->v4l2_dev, video, s_stream, 0);
+
+	spin_lock_irqsave(&go->spinlock, flags);
+	INIT_LIST_HEAD(&go->vidq_active);
+	spin_unlock_irqrestore(&go->spinlock, flags);
+	v4l2_ctrl_grab(go->mpeg_video_gop_size, false);
+	v4l2_ctrl_grab(go->mpeg_video_gop_closure, false);
+	v4l2_ctrl_grab(go->mpeg_video_bitrate, false);
+	v4l2_ctrl_grab(go->mpeg_video_aspect_ratio, false);
+	/* Turn on Capture LED */
+	if (go->board_id == GO7007_BOARDID_ADS_USBAV_709)
+		go7007_write_addr(go, 0x3c82, 0x000d);
+}
+
+static const struct vb2_ops go7007_video_qops = {
+	.queue_setup    = go7007_queue_setup,
+	.buf_queue      = go7007_buf_queue,
+	.buf_prepare    = go7007_buf_prepare,
+	.buf_finish     = go7007_buf_finish,
+	.start_streaming = go7007_start_streaming,
+	.stop_streaming = go7007_stop_streaming,
+	.wait_prepare   = vb2_ops_wait_prepare,
+	.wait_finish    = vb2_ops_wait_finish,
+};
+
+static int vidioc_g_parm(struct file *filp, void *priv,
+		struct v4l2_streamparm *parm)
+{
+	struct go7007 *go = video_drvdata(filp);
+	struct v4l2_fract timeperframe = {
+		.numerator = 1001 *  go->fps_scale,
+		.denominator = go->sensor_framerate,
+	};
+
+	if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+		return -EINVAL;
+
+	parm->parm.capture.readbuffers = 2;
+	parm->parm.capture.capability = V4L2_CAP_TIMEPERFRAME;
+	parm->parm.capture.timeperframe = timeperframe;
+
+	return 0;
+}
+
+static int vidioc_s_parm(struct file *filp, void *priv,
+		struct v4l2_streamparm *parm)
+{
+	struct go7007 *go = video_drvdata(filp);
+	unsigned int n, d;
+
+	if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+		return -EINVAL;
+
+	n = go->sensor_framerate *
+		parm->parm.capture.timeperframe.numerator;
+	d = 1001 * parm->parm.capture.timeperframe.denominator;
+	if (n != 0 && d != 0 && n > d)
+		go->fps_scale = (n + d/2) / d;
+	else
+		go->fps_scale = 1;
+
+	return vidioc_g_parm(filp, priv, parm);
+}
+
+/* VIDIOC_ENUMSTD on go7007 were used for enumerating the supported fps and
+   its resolution, when the device is not connected to TV.
+   This is were an API abuse, probably used by the lack of specific IOCTL's to
+   enumerate it, by the time the driver was written.
+
+   However, since kernel 2.6.19, two new ioctls (VIDIOC_ENUM_FRAMEINTERVALS
+   and VIDIOC_ENUM_FRAMESIZES) were added for this purpose.
+
+   The two functions below implement the newer ioctls
+*/
+static int vidioc_enum_framesizes(struct file *filp, void *priv,
+				  struct v4l2_frmsizeenum *fsize)
+{
+	struct go7007 *go = video_drvdata(filp);
+	int width, height;
+
+	if (fsize->index > 2)
+		return -EINVAL;
+
+	if (!valid_pixelformat(fsize->pixel_format))
+		return -EINVAL;
+
+	get_resolution(go, &width, &height);
+	fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE;
+	fsize->discrete.width = (width >> fsize->index) & ~0xf;
+	fsize->discrete.height = (height >> fsize->index) & ~0xf;
+	return 0;
+}
+
+static int vidioc_enum_frameintervals(struct file *filp, void *priv,
+				      struct v4l2_frmivalenum *fival)
+{
+	struct go7007 *go = video_drvdata(filp);
+	int width, height;
+	int i;
+
+	if (fival->index > 4)
+		return -EINVAL;
+
+	if (!valid_pixelformat(fival->pixel_format))
+		return -EINVAL;
+
+	if (!(go->board_info->sensor_flags & GO7007_SENSOR_SCALING)) {
+		get_resolution(go, &width, &height);
+		for (i = 0; i <= 2; i++)
+			if (fival->width == ((width >> i) & ~0xf) &&
+			    fival->height == ((height >> i) & ~0xf))
+				break;
+		if (i > 2)
+			return -EINVAL;
+	}
+	fival->type = V4L2_FRMIVAL_TYPE_DISCRETE;
+	fival->discrete.numerator = 1001 * (fival->index + 1);
+	fival->discrete.denominator = go->sensor_framerate;
+	return 0;
+}
+
+static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *std)
+{
+	struct go7007 *go = video_drvdata(file);
+
+	*std = go->std;
+	return 0;
+}
+
+static int go7007_s_std(struct go7007 *go)
+{
+	if (go->std & V4L2_STD_625_50) {
+		go->standard = GO7007_STD_PAL;
+		go->sensor_framerate = 25025;
+	} else {
+		go->standard = GO7007_STD_NTSC;
+		go->sensor_framerate = 30000;
+	}
+
+	call_all(&go->v4l2_dev, video, s_std, go->std);
+	set_capture_size(go, NULL, 0);
+	return 0;
+}
+
+static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id std)
+{
+	struct go7007 *go = video_drvdata(file);
+
+	if (vb2_is_busy(&go->vidq))
+		return -EBUSY;
+
+	go->std = std;
+
+	return go7007_s_std(go);
+}
+
+static int vidioc_querystd(struct file *file, void *priv, v4l2_std_id *std)
+{
+	struct go7007 *go = video_drvdata(file);
+
+	return call_all(&go->v4l2_dev, video, querystd, std);
+}
+
+static int vidioc_enum_input(struct file *file, void *priv,
+				struct v4l2_input *inp)
+{
+	struct go7007 *go = video_drvdata(file);
+
+	if (inp->index >= go->board_info->num_inputs)
+		return -EINVAL;
+
+	strscpy(inp->name, go->board_info->inputs[inp->index].name,
+		sizeof(inp->name));
+
+	/* If this board has a tuner, it will be the first input */
+	if ((go->board_info->flags & GO7007_BOARD_HAS_TUNER) &&
+			inp->index == 0)
+		inp->type = V4L2_INPUT_TYPE_TUNER;
+	else
+		inp->type = V4L2_INPUT_TYPE_CAMERA;
+
+	if (go->board_info->num_aud_inputs)
+		inp->audioset = (1 << go->board_info->num_aud_inputs) - 1;
+	else
+		inp->audioset = 0;
+	inp->tuner = 0;
+	if (go->board_info->sensor_flags & GO7007_SENSOR_TV)
+		inp->std = video_devdata(file)->tvnorms;
+	else
+		inp->std = 0;
+
+	return 0;
+}
+
+
+static int vidioc_g_input(struct file *file, void *priv, unsigned int *input)
+{
+	struct go7007 *go = video_drvdata(file);
+
+	*input = go->input;
+
+	return 0;
+}
+
+static int vidioc_enumaudio(struct file *file, void *fh, struct v4l2_audio *a)
+{
+	struct go7007 *go = video_drvdata(file);
+
+	if (a->index >= go->board_info->num_aud_inputs)
+		return -EINVAL;
+	strscpy(a->name, go->board_info->aud_inputs[a->index].name,
+		sizeof(a->name));
+	a->capability = V4L2_AUDCAP_STEREO;
+	return 0;
+}
+
+static int vidioc_g_audio(struct file *file, void *fh, struct v4l2_audio *a)
+{
+	struct go7007 *go = video_drvdata(file);
+
+	a->index = go->aud_input;
+	strscpy(a->name, go->board_info->aud_inputs[go->aud_input].name,
+		sizeof(a->name));
+	a->capability = V4L2_AUDCAP_STEREO;
+	return 0;
+}
+
+static int vidioc_s_audio(struct file *file, void *fh,
+	const struct v4l2_audio *a)
+{
+	struct go7007 *go = video_drvdata(file);
+
+	if (a->index >= go->board_info->num_aud_inputs)
+		return -EINVAL;
+	go->aud_input = a->index;
+	v4l2_subdev_call(go->sd_audio, audio, s_routing,
+		go->board_info->aud_inputs[go->aud_input].audio_input, 0, 0);
+	return 0;
+}
+
+static void go7007_s_input(struct go7007 *go)
+{
+	unsigned int input = go->input;
+
+	v4l2_subdev_call(go->sd_video, video, s_routing,
+			go->board_info->inputs[input].video_input, 0,
+			go->board_info->video_config);
+	if (go->board_info->num_aud_inputs) {
+		int aud_input = go->board_info->inputs[input].audio_index;
+
+		v4l2_subdev_call(go->sd_audio, audio, s_routing,
+			go->board_info->aud_inputs[aud_input].audio_input, 0, 0);
+		go->aud_input = aud_input;
+	}
+}
+
+static int vidioc_s_input(struct file *file, void *priv, unsigned int input)
+{
+	struct go7007 *go = video_drvdata(file);
+
+	if (input >= go->board_info->num_inputs)
+		return -EINVAL;
+	if (vb2_is_busy(&go->vidq))
+		return -EBUSY;
+
+	go->input = input;
+	go7007_s_input(go);
+
+	return 0;
+}
+
+static int vidioc_g_tuner(struct file *file, void *priv,
+				struct v4l2_tuner *t)
+{
+	struct go7007 *go = video_drvdata(file);
+
+	if (t->index != 0)
+		return -EINVAL;
+
+	strscpy(t->name, "Tuner", sizeof(t->name));
+	return call_all(&go->v4l2_dev, tuner, g_tuner, t);
+}
+
+static int vidioc_s_tuner(struct file *file, void *priv,
+				const struct v4l2_tuner *t)
+{
+	struct go7007 *go = video_drvdata(file);
+
+	if (t->index != 0)
+		return -EINVAL;
+
+	return call_all(&go->v4l2_dev, tuner, s_tuner, t);
+}
+
+static int vidioc_g_frequency(struct file *file, void *priv,
+				struct v4l2_frequency *f)
+{
+	struct go7007 *go = video_drvdata(file);
+
+	if (f->tuner)
+		return -EINVAL;
+
+	return call_all(&go->v4l2_dev, tuner, g_frequency, f);
+}
+
+static int vidioc_s_frequency(struct file *file, void *priv,
+				const struct v4l2_frequency *f)
+{
+	struct go7007 *go = video_drvdata(file);
+
+	if (f->tuner)
+		return -EINVAL;
+
+	return call_all(&go->v4l2_dev, tuner, s_frequency, f);
+}
+
+static int vidioc_log_status(struct file *file, void *priv)
+{
+	struct go7007 *go = video_drvdata(file);
+
+	v4l2_ctrl_log_status(file, priv);
+	return call_all(&go->v4l2_dev, core, log_status);
+}
+
+static int vidioc_subscribe_event(struct v4l2_fh *fh,
+				const struct v4l2_event_subscription *sub)
+{
+
+	switch (sub->type) {
+	case V4L2_EVENT_MOTION_DET:
+		/* Allow for up to 30 events (1 second for NTSC) to be
+		 * stored. */
+		return v4l2_event_subscribe(fh, sub, 30, NULL);
+	default:
+		return v4l2_ctrl_subscribe_event(fh, sub);
+	}
+}
+
+
+static int go7007_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+	struct go7007 *go =
+		container_of(ctrl->handler, struct go7007, hdl);
+	unsigned y;
+	u8 *mt;
+
+	switch (ctrl->id) {
+	case V4L2_CID_PIXEL_THRESHOLD0:
+		go->modet[0].pixel_threshold = ctrl->val;
+		break;
+	case V4L2_CID_MOTION_THRESHOLD0:
+		go->modet[0].motion_threshold = ctrl->val;
+		break;
+	case V4L2_CID_MB_THRESHOLD0:
+		go->modet[0].mb_threshold = ctrl->val;
+		break;
+	case V4L2_CID_PIXEL_THRESHOLD1:
+		go->modet[1].pixel_threshold = ctrl->val;
+		break;
+	case V4L2_CID_MOTION_THRESHOLD1:
+		go->modet[1].motion_threshold = ctrl->val;
+		break;
+	case V4L2_CID_MB_THRESHOLD1:
+		go->modet[1].mb_threshold = ctrl->val;
+		break;
+	case V4L2_CID_PIXEL_THRESHOLD2:
+		go->modet[2].pixel_threshold = ctrl->val;
+		break;
+	case V4L2_CID_MOTION_THRESHOLD2:
+		go->modet[2].motion_threshold = ctrl->val;
+		break;
+	case V4L2_CID_MB_THRESHOLD2:
+		go->modet[2].mb_threshold = ctrl->val;
+		break;
+	case V4L2_CID_PIXEL_THRESHOLD3:
+		go->modet[3].pixel_threshold = ctrl->val;
+		break;
+	case V4L2_CID_MOTION_THRESHOLD3:
+		go->modet[3].motion_threshold = ctrl->val;
+		break;
+	case V4L2_CID_MB_THRESHOLD3:
+		go->modet[3].mb_threshold = ctrl->val;
+		break;
+	case V4L2_CID_DETECT_MD_REGION_GRID:
+		mt = go->modet_map;
+		for (y = 0; y < go->height / 16; y++, mt += go->width / 16)
+			memcpy(mt, ctrl->p_new.p_u8 + y * (720 / 16), go->width / 16);
+		break;
+	default:
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static const struct v4l2_file_operations go7007_fops = {
+	.owner		= THIS_MODULE,
+	.open		= v4l2_fh_open,
+	.release	= vb2_fop_release,
+	.unlocked_ioctl	= video_ioctl2,
+	.read		= vb2_fop_read,
+	.mmap		= vb2_fop_mmap,
+	.poll		= vb2_fop_poll,
+};
+
+static const struct v4l2_ioctl_ops video_ioctl_ops = {
+	.vidioc_querycap          = vidioc_querycap,
+	.vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
+	.vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
+	.vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
+	.vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
+	.vidioc_reqbufs           = vb2_ioctl_reqbufs,
+	.vidioc_querybuf          = vb2_ioctl_querybuf,
+	.vidioc_qbuf              = vb2_ioctl_qbuf,
+	.vidioc_dqbuf             = vb2_ioctl_dqbuf,
+	.vidioc_g_std             = vidioc_g_std,
+	.vidioc_s_std             = vidioc_s_std,
+	.vidioc_querystd          = vidioc_querystd,
+	.vidioc_enum_input        = vidioc_enum_input,
+	.vidioc_g_input           = vidioc_g_input,
+	.vidioc_s_input           = vidioc_s_input,
+	.vidioc_enumaudio         = vidioc_enumaudio,
+	.vidioc_g_audio           = vidioc_g_audio,
+	.vidioc_s_audio           = vidioc_s_audio,
+	.vidioc_streamon          = vb2_ioctl_streamon,
+	.vidioc_streamoff         = vb2_ioctl_streamoff,
+	.vidioc_g_tuner           = vidioc_g_tuner,
+	.vidioc_s_tuner           = vidioc_s_tuner,
+	.vidioc_g_frequency       = vidioc_g_frequency,
+	.vidioc_s_frequency       = vidioc_s_frequency,
+	.vidioc_g_parm            = vidioc_g_parm,
+	.vidioc_s_parm            = vidioc_s_parm,
+	.vidioc_enum_framesizes   = vidioc_enum_framesizes,
+	.vidioc_enum_frameintervals = vidioc_enum_frameintervals,
+	.vidioc_log_status        = vidioc_log_status,
+	.vidioc_subscribe_event   = vidioc_subscribe_event,
+	.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
+};
+
+static const struct video_device go7007_template = {
+	.name		= "go7007",
+	.fops		= &go7007_fops,
+	.release	= video_device_release_empty,
+	.ioctl_ops	= &video_ioctl_ops,
+	.tvnorms	= V4L2_STD_ALL,
+};
+
+static const struct v4l2_ctrl_ops go7007_ctrl_ops = {
+	.s_ctrl = go7007_s_ctrl,
+};
+
+static const struct v4l2_ctrl_config go7007_pixel_threshold0_ctrl = {
+	.ops = &go7007_ctrl_ops,
+	.id = V4L2_CID_PIXEL_THRESHOLD0,
+	.name = "Pixel Threshold Region 0",
+	.type = V4L2_CTRL_TYPE_INTEGER,
+	.def = 20,
+	.max = 32767,
+	.step = 1,
+};
+
+static const struct v4l2_ctrl_config go7007_motion_threshold0_ctrl = {
+	.ops = &go7007_ctrl_ops,
+	.id = V4L2_CID_MOTION_THRESHOLD0,
+	.name = "Motion Threshold Region 0",
+	.type = V4L2_CTRL_TYPE_INTEGER,
+	.def = 80,
+	.max = 32767,
+	.step = 1,
+};
+
+static const struct v4l2_ctrl_config go7007_mb_threshold0_ctrl = {
+	.ops = &go7007_ctrl_ops,
+	.id = V4L2_CID_MB_THRESHOLD0,
+	.name = "MB Threshold Region 0",
+	.type = V4L2_CTRL_TYPE_INTEGER,
+	.def = 200,
+	.max = 32767,
+	.step = 1,
+};
+
+static const struct v4l2_ctrl_config go7007_pixel_threshold1_ctrl = {
+	.ops = &go7007_ctrl_ops,
+	.id = V4L2_CID_PIXEL_THRESHOLD1,
+	.name = "Pixel Threshold Region 1",
+	.type = V4L2_CTRL_TYPE_INTEGER,
+	.def = 20,
+	.max = 32767,
+	.step = 1,
+};
+
+static const struct v4l2_ctrl_config go7007_motion_threshold1_ctrl = {
+	.ops = &go7007_ctrl_ops,
+	.id = V4L2_CID_MOTION_THRESHOLD1,
+	.name = "Motion Threshold Region 1",
+	.type = V4L2_CTRL_TYPE_INTEGER,
+	.def = 80,
+	.max = 32767,
+	.step = 1,
+};
+
+static const struct v4l2_ctrl_config go7007_mb_threshold1_ctrl = {
+	.ops = &go7007_ctrl_ops,
+	.id = V4L2_CID_MB_THRESHOLD1,
+	.name = "MB Threshold Region 1",
+	.type = V4L2_CTRL_TYPE_INTEGER,
+	.def = 200,
+	.max = 32767,
+	.step = 1,
+};
+
+static const struct v4l2_ctrl_config go7007_pixel_threshold2_ctrl = {
+	.ops = &go7007_ctrl_ops,
+	.id = V4L2_CID_PIXEL_THRESHOLD2,
+	.name = "Pixel Threshold Region 2",
+	.type = V4L2_CTRL_TYPE_INTEGER,
+	.def = 20,
+	.max = 32767,
+	.step = 1,
+};
+
+static const struct v4l2_ctrl_config go7007_motion_threshold2_ctrl = {
+	.ops = &go7007_ctrl_ops,
+	.id = V4L2_CID_MOTION_THRESHOLD2,
+	.name = "Motion Threshold Region 2",
+	.type = V4L2_CTRL_TYPE_INTEGER,
+	.def = 80,
+	.max = 32767,
+	.step = 1,
+};
+
+static const struct v4l2_ctrl_config go7007_mb_threshold2_ctrl = {
+	.ops = &go7007_ctrl_ops,
+	.id = V4L2_CID_MB_THRESHOLD2,
+	.name = "MB Threshold Region 2",
+	.type = V4L2_CTRL_TYPE_INTEGER,
+	.def = 200,
+	.max = 32767,
+	.step = 1,
+};
+
+static const struct v4l2_ctrl_config go7007_pixel_threshold3_ctrl = {
+	.ops = &go7007_ctrl_ops,
+	.id = V4L2_CID_PIXEL_THRESHOLD3,
+	.name = "Pixel Threshold Region 3",
+	.type = V4L2_CTRL_TYPE_INTEGER,
+	.def = 20,
+	.max = 32767,
+	.step = 1,
+};
+
+static const struct v4l2_ctrl_config go7007_motion_threshold3_ctrl = {
+	.ops = &go7007_ctrl_ops,
+	.id = V4L2_CID_MOTION_THRESHOLD3,
+	.name = "Motion Threshold Region 3",
+	.type = V4L2_CTRL_TYPE_INTEGER,
+	.def = 80,
+	.max = 32767,
+	.step = 1,
+};
+
+static const struct v4l2_ctrl_config go7007_mb_threshold3_ctrl = {
+	.ops = &go7007_ctrl_ops,
+	.id = V4L2_CID_MB_THRESHOLD3,
+	.name = "MB Threshold Region 3",
+	.type = V4L2_CTRL_TYPE_INTEGER,
+	.def = 200,
+	.max = 32767,
+	.step = 1,
+};
+
+static const struct v4l2_ctrl_config go7007_mb_regions_ctrl = {
+	.ops = &go7007_ctrl_ops,
+	.id = V4L2_CID_DETECT_MD_REGION_GRID,
+	.dims = { 576 / 16, 720 / 16 },
+	.max = 3,
+	.step = 1,
+};
+
+int go7007_v4l2_ctrl_init(struct go7007 *go)
+{
+	struct v4l2_ctrl_handler *hdl = &go->hdl;
+	struct v4l2_ctrl *ctrl;
+
+	v4l2_ctrl_handler_init(hdl, 22);
+	go->mpeg_video_gop_size = v4l2_ctrl_new_std(hdl, NULL,
+			V4L2_CID_MPEG_VIDEO_GOP_SIZE, 0, 34, 1, 15);
+	go->mpeg_video_gop_closure = v4l2_ctrl_new_std(hdl, NULL,
+			V4L2_CID_MPEG_VIDEO_GOP_CLOSURE, 0, 1, 1, 1);
+	go->mpeg_video_bitrate = v4l2_ctrl_new_std(hdl, NULL,
+			V4L2_CID_MPEG_VIDEO_BITRATE,
+			64000, 10000000, 1, 9800000);
+	go->mpeg_video_b_frames = v4l2_ctrl_new_std(hdl, NULL,
+			V4L2_CID_MPEG_VIDEO_B_FRAMES, 0, 2, 2, 0);
+	go->mpeg_video_rep_seqheader = v4l2_ctrl_new_std(hdl, NULL,
+			V4L2_CID_MPEG_VIDEO_REPEAT_SEQ_HEADER, 0, 1, 1, 1);
+
+	go->mpeg_video_aspect_ratio = v4l2_ctrl_new_std_menu(hdl, NULL,
+			V4L2_CID_MPEG_VIDEO_ASPECT,
+			V4L2_MPEG_VIDEO_ASPECT_16x9, 0,
+			V4L2_MPEG_VIDEO_ASPECT_1x1);
+	ctrl = v4l2_ctrl_new_std(hdl, NULL,
+			V4L2_CID_JPEG_ACTIVE_MARKER, 0,
+			V4L2_JPEG_ACTIVE_MARKER_DQT |
+			V4L2_JPEG_ACTIVE_MARKER_DHT, 0,
+			V4L2_JPEG_ACTIVE_MARKER_DQT |
+			V4L2_JPEG_ACTIVE_MARKER_DHT);
+	if (ctrl)
+		ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
+	v4l2_ctrl_new_custom(hdl, &go7007_pixel_threshold0_ctrl, NULL);
+	v4l2_ctrl_new_custom(hdl, &go7007_motion_threshold0_ctrl, NULL);
+	v4l2_ctrl_new_custom(hdl, &go7007_mb_threshold0_ctrl, NULL);
+	v4l2_ctrl_new_custom(hdl, &go7007_pixel_threshold1_ctrl, NULL);
+	v4l2_ctrl_new_custom(hdl, &go7007_motion_threshold1_ctrl, NULL);
+	v4l2_ctrl_new_custom(hdl, &go7007_mb_threshold1_ctrl, NULL);
+	v4l2_ctrl_new_custom(hdl, &go7007_pixel_threshold2_ctrl, NULL);
+	v4l2_ctrl_new_custom(hdl, &go7007_motion_threshold2_ctrl, NULL);
+	v4l2_ctrl_new_custom(hdl, &go7007_mb_threshold2_ctrl, NULL);
+	v4l2_ctrl_new_custom(hdl, &go7007_pixel_threshold3_ctrl, NULL);
+	v4l2_ctrl_new_custom(hdl, &go7007_motion_threshold3_ctrl, NULL);
+	v4l2_ctrl_new_custom(hdl, &go7007_mb_threshold3_ctrl, NULL);
+	v4l2_ctrl_new_custom(hdl, &go7007_mb_regions_ctrl, NULL);
+	go->modet_mode = v4l2_ctrl_new_std_menu(hdl, NULL,
+			V4L2_CID_DETECT_MD_MODE,
+			V4L2_DETECT_MD_MODE_REGION_GRID,
+			1 << V4L2_DETECT_MD_MODE_THRESHOLD_GRID,
+			V4L2_DETECT_MD_MODE_DISABLED);
+	if (hdl->error) {
+		int rv = hdl->error;
+
+		v4l2_err(&go->v4l2_dev, "Could not register controls\n");
+		return rv;
+	}
+	go->v4l2_dev.ctrl_handler = hdl;
+	return 0;
+}
+
+int go7007_v4l2_init(struct go7007 *go)
+{
+	struct video_device *vdev = &go->vdev;
+	int rv;
+
+	mutex_init(&go->serialize_lock);
+	mutex_init(&go->queue_lock);
+
+	INIT_LIST_HEAD(&go->vidq_active);
+	go->vidq.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+	go->vidq.io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ;
+	go->vidq.ops = &go7007_video_qops;
+	go->vidq.mem_ops = &vb2_vmalloc_memops;
+	go->vidq.drv_priv = go;
+	go->vidq.buf_struct_size = sizeof(struct go7007_buffer);
+	go->vidq.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
+	go->vidq.lock = &go->queue_lock;
+	rv = vb2_queue_init(&go->vidq);
+	if (rv)
+		return rv;
+	*vdev = go7007_template;
+	vdev->lock = &go->serialize_lock;
+	vdev->queue = &go->vidq;
+	vdev->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE |
+			    V4L2_CAP_STREAMING;
+	if (go->board_info->num_aud_inputs)
+		vdev->device_caps |= V4L2_CAP_AUDIO;
+	if (go->board_info->flags & GO7007_BOARD_HAS_TUNER)
+		vdev->device_caps |= V4L2_CAP_TUNER;
+	video_set_drvdata(vdev, go);
+	vdev->v4l2_dev = &go->v4l2_dev;
+	if (!v4l2_device_has_op(&go->v4l2_dev, 0, video, querystd))
+		v4l2_disable_ioctl(vdev, VIDIOC_QUERYSTD);
+	if (!(go->board_info->flags & GO7007_BOARD_HAS_TUNER)) {
+		v4l2_disable_ioctl(vdev, VIDIOC_S_FREQUENCY);
+		v4l2_disable_ioctl(vdev, VIDIOC_G_FREQUENCY);
+		v4l2_disable_ioctl(vdev, VIDIOC_S_TUNER);
+		v4l2_disable_ioctl(vdev, VIDIOC_G_TUNER);
+	} else {
+		struct v4l2_frequency f = {
+			.type = V4L2_TUNER_ANALOG_TV,
+			.frequency = 980,
+		};
+
+		call_all(&go->v4l2_dev, tuner, s_frequency, &f);
+	}
+	if (!(go->board_info->sensor_flags & GO7007_SENSOR_TV)) {
+		v4l2_disable_ioctl(vdev, VIDIOC_G_STD);
+		v4l2_disable_ioctl(vdev, VIDIOC_S_STD);
+		vdev->tvnorms = 0;
+	}
+	if (go->board_info->sensor_flags & GO7007_SENSOR_SCALING)
+		v4l2_disable_ioctl(vdev, VIDIOC_ENUM_FRAMESIZES);
+	if (go->board_info->num_aud_inputs == 0) {
+		v4l2_disable_ioctl(vdev, VIDIOC_G_AUDIO);
+		v4l2_disable_ioctl(vdev, VIDIOC_S_AUDIO);
+		v4l2_disable_ioctl(vdev, VIDIOC_ENUMAUDIO);
+	}
+	/* Setup correct crystal frequency on this board */
+	if (go->board_info->sensor_flags & GO7007_SENSOR_SAA7115)
+		v4l2_subdev_call(go->sd_video, video, s_crystal_freq,
+				SAA7115_FREQ_24_576_MHZ,
+				SAA7115_FREQ_FL_APLL | SAA7115_FREQ_FL_UCGC |
+				SAA7115_FREQ_FL_DOUBLE_ASCLK);
+	go7007_s_input(go);
+	if (go->board_info->sensor_flags & GO7007_SENSOR_TV)
+		go7007_s_std(go);
+	rv = video_register_device(vdev, VFL_TYPE_VIDEO, -1);
+	if (rv < 0)
+		return rv;
+	dev_info(go->dev, "registered device %s [v4l2]\n",
+		 video_device_node_name(vdev));
+
+	return 0;
+}
+
+void go7007_v4l2_remove(struct go7007 *go)
+{
+	v4l2_ctrl_handler_free(&go->hdl);
+}
diff --git a/drivers/media/usb/go7007/s2250-board.c b/drivers/media/usb/go7007/s2250-board.c
new file mode 100644
index 000000000..2f45188bf
--- /dev/null
+++ b/drivers/media/usb/go7007/s2250-board.c
@@ -0,0 +1,629 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2008 Sensoray Company Inc.
+ */
+
+#include <linux/module.h>
+#include <linux/usb.h>
+#include <linux/i2c.h>
+#include <linux/videodev2.h>
+#include <linux/slab.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-common.h>
+#include <media/v4l2-subdev.h>
+#include "go7007-priv.h"
+
+MODULE_DESCRIPTION("Sensoray 2250/2251 i2c v4l2 subdev driver");
+MODULE_LICENSE("GPL v2");
+
+/*
+ * Note: this board has two i2c devices: a vpx3226f and a tlv320aic23b.
+ * Due to the unusual way these are accessed on this device we do not
+ * reuse the i2c drivers, but instead they are implemented in this
+ * driver. It would be nice to improve on this, though.
+ */
+
+#define TLV320_ADDRESS      0x34
+#define VPX322_ADDR_ANALOGCONTROL1	0x02
+#define VPX322_ADDR_BRIGHTNESS0		0x0127
+#define VPX322_ADDR_BRIGHTNESS1		0x0131
+#define VPX322_ADDR_CONTRAST0		0x0128
+#define VPX322_ADDR_CONTRAST1		0x0132
+#define VPX322_ADDR_HUE			0x00dc
+#define VPX322_ADDR_SAT			0x0030
+
+struct go7007_usb_board {
+	unsigned int flags;
+	struct go7007_board_info main_info;
+};
+
+struct go7007_usb {
+	struct go7007_usb_board *board;
+	struct mutex i2c_lock;
+	struct usb_device *usbdev;
+	struct urb *video_urbs[8];
+	struct urb *audio_urbs[8];
+	struct urb *intr_urb;
+};
+
+static unsigned char aud_regs[] = {
+	0x1e, 0x00,
+	0x00, 0x17,
+	0x02, 0x17,
+	0x04, 0xf9,
+	0x06, 0xf9,
+	0x08, 0x02,
+	0x0a, 0x00,
+	0x0c, 0x00,
+	0x0a, 0x00,
+	0x0c, 0x00,
+	0x0e, 0x02,
+	0x10, 0x00,
+	0x12, 0x01,
+	0x00, 0x00,
+};
+
+
+static unsigned char vid_regs[] = {
+	0xF2, 0x0f,
+	0xAA, 0x00,
+	0xF8, 0xff,
+	0x00, 0x00,
+};
+
+static u16 vid_regs_fp[] = {
+	0x028, 0x067,
+	0x120, 0x016,
+	0x121, 0xcF2,
+	0x122, 0x0F2,
+	0x123, 0x00c,
+	0x124, 0x2d0,
+	0x125, 0x2e0,
+	0x126, 0x004,
+	0x128, 0x1E0,
+	0x12A, 0x016,
+	0x12B, 0x0F2,
+	0x12C, 0x0F2,
+	0x12D, 0x00c,
+	0x12E, 0x2d0,
+	0x12F, 0x2e0,
+	0x130, 0x004,
+	0x132, 0x1E0,
+	0x140, 0x060,
+	0x153, 0x00C,
+	0x154, 0x200,
+	0x150, 0x801,
+	0x000, 0x000
+};
+
+/* PAL specific values */
+static u16 vid_regs_fp_pal[] = {
+	0x120, 0x017,
+	0x121, 0xd22,
+	0x122, 0x122,
+	0x12A, 0x017,
+	0x12B, 0x122,
+	0x12C, 0x122,
+	0x140, 0x060,
+	0x000, 0x000,
+};
+
+struct s2250 {
+	struct v4l2_subdev sd;
+	struct v4l2_ctrl_handler hdl;
+	v4l2_std_id std;
+	int input;
+	int brightness;
+	int contrast;
+	int saturation;
+	int hue;
+	int reg12b_val;
+	int audio_input;
+	struct i2c_client *audio;
+};
+
+static inline struct s2250 *to_state(struct v4l2_subdev *sd)
+{
+	return container_of(sd, struct s2250, sd);
+}
+
+/* from go7007-usb.c which is Copyright (C) 2005-2006 Micronas USA Inc.*/
+static int go7007_usb_vendor_request(struct go7007 *go, u16 request,
+	u16 value, u16 index, void *transfer_buffer, int length, int in)
+{
+	struct go7007_usb *usb = go->hpi_context;
+	int timeout = 5000;
+
+	if (in) {
+		return usb_control_msg(usb->usbdev,
+				usb_rcvctrlpipe(usb->usbdev, 0), request,
+				USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
+				value, index, transfer_buffer, length, timeout);
+	} else {
+		return usb_control_msg(usb->usbdev,
+				usb_sndctrlpipe(usb->usbdev, 0), request,
+				USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+				value, index, transfer_buffer, length, timeout);
+	}
+}
+/* end from go7007-usb.c which is Copyright (C) 2005-2006 Micronas USA Inc.*/
+
+static int write_reg(struct i2c_client *client, u8 reg, u8 value)
+{
+	struct go7007 *go = i2c_get_adapdata(client->adapter);
+	struct go7007_usb *usb;
+	int rc;
+	int dev_addr = client->addr << 1;  /* firmware wants 8-bit address */
+	u8 *buf;
+
+	if (go == NULL)
+		return -ENODEV;
+
+	if (go->status == STATUS_SHUTDOWN)
+		return -EBUSY;
+
+	buf = kzalloc(16, GFP_KERNEL);
+	if (buf == NULL)
+		return -ENOMEM;
+
+	usb = go->hpi_context;
+	if (mutex_lock_interruptible(&usb->i2c_lock) != 0) {
+		dev_info(&client->dev, "i2c lock failed\n");
+		kfree(buf);
+		return -EINTR;
+	}
+	rc = go7007_usb_vendor_request(go, 0x55, dev_addr,
+				       (reg<<8 | value),
+				       buf,
+				       16, 1);
+
+	mutex_unlock(&usb->i2c_lock);
+	kfree(buf);
+	return rc;
+}
+
+static int write_reg_fp(struct i2c_client *client, u16 addr, u16 val)
+{
+	struct go7007 *go = i2c_get_adapdata(client->adapter);
+	struct go7007_usb *usb;
+	int rc;
+	u8 *buf;
+	struct s2250 *dec = i2c_get_clientdata(client);
+
+	if (go == NULL)
+		return -ENODEV;
+
+	if (go->status == STATUS_SHUTDOWN)
+		return -EBUSY;
+
+	buf = kzalloc(16, GFP_KERNEL);
+
+	if (buf == NULL)
+		return -ENOMEM;
+
+
+
+	memset(buf, 0xcd, 6);
+
+	usb = go->hpi_context;
+	if (mutex_lock_interruptible(&usb->i2c_lock) != 0) {
+		dev_info(&client->dev, "i2c lock failed\n");
+		kfree(buf);
+		return -EINTR;
+	}
+	rc = go7007_usb_vendor_request(go, 0x57, addr, val, buf, 16, 1);
+	mutex_unlock(&usb->i2c_lock);
+	if (rc < 0) {
+		kfree(buf);
+		return rc;
+	}
+
+	if (buf[0] == 0) {
+		unsigned int subaddr, val_read;
+
+		subaddr = (buf[4] << 8) + buf[5];
+		val_read = (buf[2] << 8) + buf[3];
+		kfree(buf);
+		if (val_read != val) {
+			dev_info(&client->dev, "invalid fp write %x %x\n",
+				 val_read, val);
+			return -EFAULT;
+		}
+		if (subaddr != addr) {
+			dev_info(&client->dev, "invalid fp write addr %x %x\n",
+				 subaddr, addr);
+			return -EFAULT;
+		}
+	} else {
+		kfree(buf);
+		return -EFAULT;
+	}
+
+	/* save last 12b value */
+	if (addr == 0x12b)
+		dec->reg12b_val = val;
+
+	return 0;
+}
+
+static int read_reg_fp(struct i2c_client *client, u16 addr, u16 *val)
+{
+	struct go7007 *go = i2c_get_adapdata(client->adapter);
+	struct go7007_usb *usb;
+	int rc;
+	u8 *buf;
+
+	if (go == NULL)
+		return -ENODEV;
+
+	if (go->status == STATUS_SHUTDOWN)
+		return -EBUSY;
+
+	buf = kzalloc(16, GFP_KERNEL);
+
+	if (buf == NULL)
+		return -ENOMEM;
+
+
+
+	memset(buf, 0xcd, 6);
+	usb = go->hpi_context;
+	if (mutex_lock_interruptible(&usb->i2c_lock) != 0) {
+		dev_info(&client->dev, "i2c lock failed\n");
+		kfree(buf);
+		return -EINTR;
+	}
+	rc = go7007_usb_vendor_request(go, 0x58, addr, 0, buf, 16, 1);
+	mutex_unlock(&usb->i2c_lock);
+	if (rc < 0) {
+		kfree(buf);
+		return rc;
+	}
+
+	*val = (buf[0] << 8) | buf[1];
+	kfree(buf);
+
+	return 0;
+}
+
+
+static int write_regs(struct i2c_client *client, u8 *regs)
+{
+	int i;
+
+	for (i = 0; !((regs[i] == 0x00) && (regs[i+1] == 0x00)); i += 2) {
+		if (write_reg(client, regs[i], regs[i+1]) < 0) {
+			dev_info(&client->dev, "failed\n");
+			return -1;
+		}
+	}
+	return 0;
+}
+
+static int write_regs_fp(struct i2c_client *client, u16 *regs)
+{
+	int i;
+
+	for (i = 0; !((regs[i] == 0x00) && (regs[i+1] == 0x00)); i += 2) {
+		if (write_reg_fp(client, regs[i], regs[i+1]) < 0) {
+			dev_info(&client->dev, "failed fp\n");
+			return -1;
+		}
+	}
+	return 0;
+}
+
+
+/* ------------------------------------------------------------------------- */
+
+static int s2250_s_video_routing(struct v4l2_subdev *sd, u32 input, u32 output,
+				 u32 config)
+{
+	struct s2250 *state = to_state(sd);
+	struct i2c_client *client = v4l2_get_subdevdata(sd);
+	int vidsys;
+
+	vidsys = (state->std == V4L2_STD_NTSC) ? 0x01 : 0x00;
+	if (input == 0) {
+		/* composite */
+		write_reg_fp(client, 0x20, 0x020 | vidsys);
+		write_reg_fp(client, 0x21, 0x662);
+		write_reg_fp(client, 0x140, 0x060);
+	} else if (input == 1) {
+		/* S-Video */
+		write_reg_fp(client, 0x20, 0x040 | vidsys);
+		write_reg_fp(client, 0x21, 0x666);
+		write_reg_fp(client, 0x140, 0x060);
+	} else {
+		return -EINVAL;
+	}
+	state->input = input;
+	return 0;
+}
+
+static int s2250_s_std(struct v4l2_subdev *sd, v4l2_std_id norm)
+{
+	struct s2250 *state = to_state(sd);
+	struct i2c_client *client = v4l2_get_subdevdata(sd);
+	u16 vidsource;
+
+	vidsource = (state->input == 1) ? 0x040 : 0x020;
+	if (norm & V4L2_STD_625_50) {
+		write_regs_fp(client, vid_regs_fp);
+		write_regs_fp(client, vid_regs_fp_pal);
+		write_reg_fp(client, 0x20, vidsource);
+	} else {
+		write_regs_fp(client, vid_regs_fp);
+		write_reg_fp(client, 0x20, vidsource | 1);
+	}
+	state->std = norm;
+	return 0;
+}
+
+static int s2250_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+	struct s2250 *state = container_of(ctrl->handler, struct s2250, hdl);
+	struct i2c_client *client = v4l2_get_subdevdata(&state->sd);
+	u16 oldvalue;
+
+	switch (ctrl->id) {
+	case V4L2_CID_BRIGHTNESS:
+		read_reg_fp(client, VPX322_ADDR_BRIGHTNESS0, &oldvalue);
+		write_reg_fp(client, VPX322_ADDR_BRIGHTNESS0,
+			     ctrl->val | (oldvalue & ~0xff));
+		read_reg_fp(client, VPX322_ADDR_BRIGHTNESS1, &oldvalue);
+		write_reg_fp(client, VPX322_ADDR_BRIGHTNESS1,
+			     ctrl->val | (oldvalue & ~0xff));
+		write_reg_fp(client, 0x140, 0x60);
+		break;
+	case V4L2_CID_CONTRAST:
+		read_reg_fp(client, VPX322_ADDR_CONTRAST0, &oldvalue);
+		write_reg_fp(client, VPX322_ADDR_CONTRAST0,
+			     ctrl->val | (oldvalue & ~0x3f));
+		read_reg_fp(client, VPX322_ADDR_CONTRAST1, &oldvalue);
+		write_reg_fp(client, VPX322_ADDR_CONTRAST1,
+			     ctrl->val | (oldvalue & ~0x3f));
+		write_reg_fp(client, 0x140, 0x60);
+		break;
+	case V4L2_CID_SATURATION:
+		write_reg_fp(client, VPX322_ADDR_SAT, ctrl->val);
+		break;
+	case V4L2_CID_HUE:
+		write_reg_fp(client, VPX322_ADDR_HUE, ctrl->val);
+		break;
+	default:
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static int s2250_set_fmt(struct v4l2_subdev *sd,
+		struct v4l2_subdev_state *sd_state,
+		struct v4l2_subdev_format *format)
+{
+	struct v4l2_mbus_framefmt *fmt = &format->format;
+	struct s2250 *state = to_state(sd);
+	struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+	if (format->pad)
+		return -EINVAL;
+
+	if (format->which == V4L2_SUBDEV_FORMAT_TRY)
+		return 0;
+
+	if (fmt->height < 640) {
+		write_reg_fp(client, 0x12b, state->reg12b_val | 0x400);
+		write_reg_fp(client, 0x140, 0x060);
+	} else {
+		write_reg_fp(client, 0x12b, state->reg12b_val & ~0x400);
+		write_reg_fp(client, 0x140, 0x060);
+	}
+	return 0;
+}
+
+static int s2250_s_audio_routing(struct v4l2_subdev *sd, u32 input, u32 output,
+				 u32 config)
+{
+	struct s2250 *state = to_state(sd);
+
+	switch (input) {
+	case 0:
+		write_reg(state->audio, 0x08, 0x02); /* Line In */
+		break;
+	case 1:
+		write_reg(state->audio, 0x08, 0x04); /* Mic */
+		break;
+	case 2:
+		write_reg(state->audio, 0x08, 0x05); /* Mic Boost */
+		break;
+	default:
+		return -EINVAL;
+	}
+	state->audio_input = input;
+	return 0;
+}
+
+
+static int s2250_log_status(struct v4l2_subdev *sd)
+{
+	struct s2250 *state = to_state(sd);
+
+	v4l2_info(sd, "Standard: %s\n", state->std == V4L2_STD_NTSC ? "NTSC" :
+					state->std == V4L2_STD_PAL ? "PAL" :
+					state->std == V4L2_STD_SECAM ? "SECAM" :
+					"unknown");
+	v4l2_info(sd, "Input: %s\n", state->input == 0 ? "Composite" :
+					state->input == 1 ? "S-video" :
+					"error");
+	v4l2_info(sd, "Audio input: %s\n", state->audio_input == 0 ? "Line In" :
+					state->audio_input == 1 ? "Mic" :
+					state->audio_input == 2 ? "Mic Boost" :
+					"error");
+	return v4l2_ctrl_subdev_log_status(sd);
+}
+
+/* --------------------------------------------------------------------------*/
+
+static const struct v4l2_ctrl_ops s2250_ctrl_ops = {
+	.s_ctrl = s2250_s_ctrl,
+};
+
+static const struct v4l2_subdev_core_ops s2250_core_ops = {
+	.log_status = s2250_log_status,
+};
+
+static const struct v4l2_subdev_audio_ops s2250_audio_ops = {
+	.s_routing = s2250_s_audio_routing,
+};
+
+static const struct v4l2_subdev_video_ops s2250_video_ops = {
+	.s_std = s2250_s_std,
+	.s_routing = s2250_s_video_routing,
+};
+
+static const struct v4l2_subdev_pad_ops s2250_pad_ops = {
+	.set_fmt = s2250_set_fmt,
+};
+
+static const struct v4l2_subdev_ops s2250_ops = {
+	.core = &s2250_core_ops,
+	.audio = &s2250_audio_ops,
+	.video = &s2250_video_ops,
+	.pad = &s2250_pad_ops,
+};
+
+/* --------------------------------------------------------------------------*/
+
+static int s2250_probe(struct i2c_client *client,
+		       const struct i2c_device_id *id)
+{
+	struct i2c_client *audio;
+	struct i2c_adapter *adapter = client->adapter;
+	struct s2250 *state;
+	struct v4l2_subdev *sd;
+	u8 *data;
+	struct go7007 *go = i2c_get_adapdata(adapter);
+	struct go7007_usb *usb = go->hpi_context;
+	int err = -EIO;
+
+	audio = i2c_new_dummy_device(adapter, TLV320_ADDRESS >> 1);
+	if (IS_ERR(audio))
+		return PTR_ERR(audio);
+
+	state = kzalloc(sizeof(struct s2250), GFP_KERNEL);
+	if (state == NULL) {
+		i2c_unregister_device(audio);
+		return -ENOMEM;
+	}
+
+	sd = &state->sd;
+	v4l2_i2c_subdev_init(sd, client, &s2250_ops);
+
+	v4l2_info(sd, "initializing %s at address 0x%x on %s\n",
+	       "Sensoray 2250/2251", client->addr, client->adapter->name);
+
+	v4l2_ctrl_handler_init(&state->hdl, 4);
+	v4l2_ctrl_new_std(&state->hdl, &s2250_ctrl_ops,
+		V4L2_CID_BRIGHTNESS, -128, 127, 1, 0);
+	v4l2_ctrl_new_std(&state->hdl, &s2250_ctrl_ops,
+		V4L2_CID_CONTRAST, 0, 0x3f, 1, 0x32);
+	v4l2_ctrl_new_std(&state->hdl, &s2250_ctrl_ops,
+		V4L2_CID_SATURATION, 0, 4094, 1, 2070);
+	v4l2_ctrl_new_std(&state->hdl, &s2250_ctrl_ops,
+		V4L2_CID_HUE, -512, 511, 1, 0);
+	sd->ctrl_handler = &state->hdl;
+	if (state->hdl.error) {
+		err = state->hdl.error;
+		goto fail;
+	}
+
+	state->std = V4L2_STD_NTSC;
+	state->brightness = 50;
+	state->contrast = 50;
+	state->saturation = 50;
+	state->hue = 0;
+	state->audio = audio;
+
+	/* initialize the audio */
+	if (write_regs(audio, aud_regs) < 0) {
+		dev_err(&client->dev, "error initializing audio\n");
+		goto fail;
+	}
+
+	if (write_regs(client, vid_regs) < 0) {
+		dev_err(&client->dev, "error initializing decoder\n");
+		goto fail;
+	}
+	if (write_regs_fp(client, vid_regs_fp) < 0) {
+		dev_err(&client->dev, "error initializing decoder\n");
+		goto fail;
+	}
+	/* set default channel */
+	/* composite */
+	write_reg_fp(client, 0x20, 0x020 | 1);
+	write_reg_fp(client, 0x21, 0x662);
+	write_reg_fp(client, 0x140, 0x060);
+
+	/* set default audio input */
+	state->audio_input = 0;
+	write_reg(client, 0x08, 0x02); /* Line In */
+
+	if (mutex_lock_interruptible(&usb->i2c_lock) == 0) {
+		data = kzalloc(16, GFP_KERNEL);
+		if (data != NULL) {
+			int rc = go7007_usb_vendor_request(go, 0x41, 0, 0,
+						       data, 16, 1);
+
+			if (rc > 0) {
+				u8 mask;
+
+				data[0] = 0;
+				mask = 1<<5;
+				data[0] &= ~mask;
+				data[1] |= mask;
+				go7007_usb_vendor_request(go, 0x40, 0,
+							  (data[1]<<8)
+							  + data[1],
+							  data, 16, 0);
+			}
+			kfree(data);
+		}
+		mutex_unlock(&usb->i2c_lock);
+	}
+
+	v4l2_info(sd, "initialized successfully\n");
+	return 0;
+
+fail:
+	i2c_unregister_device(audio);
+	v4l2_ctrl_handler_free(&state->hdl);
+	kfree(state);
+	return err;
+}
+
+static void s2250_remove(struct i2c_client *client)
+{
+	struct s2250 *state = to_state(i2c_get_clientdata(client));
+
+	i2c_unregister_device(state->audio);
+	v4l2_device_unregister_subdev(&state->sd);
+	v4l2_ctrl_handler_free(&state->hdl);
+	kfree(state);
+}
+
+static const struct i2c_device_id s2250_id[] = {
+	{ "s2250", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, s2250_id);
+
+static struct i2c_driver s2250_driver = {
+	.driver = {
+		.name	= "s2250",
+	},
+	.probe		= s2250_probe,
+	.remove		= s2250_remove,
+	.id_table	= s2250_id,
+};
+
+module_i2c_driver(s2250_driver);
diff --git a/drivers/media/usb/go7007/snd-go7007.c b/drivers/media/usb/go7007/snd-go7007.c
new file mode 100644
index 000000000..9a6bd87fc
--- /dev/null
+++ b/drivers/media/usb/go7007/snd-go7007.c
@@ -0,0 +1,271 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2005-2006 Micronas USA Inc.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/spinlock.h>
+#include <linux/delay.h>
+#include <linux/sched.h>
+#include <linux/time.h>
+#include <linux/mm.h>
+#include <linux/i2c.h>
+#include <linux/mutex.h>
+#include <linux/uaccess.h>
+#include <linux/slab.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/initval.h>
+
+#include "go7007-priv.h"
+
+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
+static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
+static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
+
+module_param_array(index, int, NULL, 0444);
+module_param_array(id, charp, NULL, 0444);
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(index, "Index value for the go7007 audio driver");
+MODULE_PARM_DESC(id, "ID string for the go7007 audio driver");
+MODULE_PARM_DESC(enable, "Enable for the go7007 audio driver");
+
+struct go7007_snd {
+	struct snd_card *card;
+	struct snd_pcm *pcm;
+	struct snd_pcm_substream *substream;
+	spinlock_t lock;
+	int w_idx;
+	int hw_ptr;
+	int avail;
+	int capturing;
+};
+
+static const struct snd_pcm_hardware go7007_snd_capture_hw = {
+	.info			= (SNDRV_PCM_INFO_MMAP |
+					SNDRV_PCM_INFO_INTERLEAVED |
+					SNDRV_PCM_INFO_BLOCK_TRANSFER |
+					SNDRV_PCM_INFO_MMAP_VALID),
+	.formats		= SNDRV_PCM_FMTBIT_S16_LE,
+	.rates			= SNDRV_PCM_RATE_48000,
+	.rate_min		= 48000,
+	.rate_max		= 48000,
+	.channels_min		= 2,
+	.channels_max		= 2,
+	.buffer_bytes_max	= (128*1024),
+	.period_bytes_min	= 4096,
+	.period_bytes_max	= (128*1024),
+	.periods_min		= 1,
+	.periods_max		= 32,
+};
+
+static void parse_audio_stream_data(struct go7007 *go, u8 *buf, int length)
+{
+	struct go7007_snd *gosnd = go->snd_context;
+	struct snd_pcm_runtime *runtime = gosnd->substream->runtime;
+	int frames = bytes_to_frames(runtime, length);
+	unsigned long flags;
+
+	spin_lock_irqsave(&gosnd->lock, flags);
+	gosnd->hw_ptr += frames;
+	if (gosnd->hw_ptr >= runtime->buffer_size)
+		gosnd->hw_ptr -= runtime->buffer_size;
+	gosnd->avail += frames;
+	spin_unlock_irqrestore(&gosnd->lock, flags);
+	if (gosnd->w_idx + length > runtime->dma_bytes) {
+		int cpy = runtime->dma_bytes - gosnd->w_idx;
+
+		memcpy(runtime->dma_area + gosnd->w_idx, buf, cpy);
+		length -= cpy;
+		buf += cpy;
+		gosnd->w_idx = 0;
+	}
+	memcpy(runtime->dma_area + gosnd->w_idx, buf, length);
+	gosnd->w_idx += length;
+	spin_lock_irqsave(&gosnd->lock, flags);
+	if (gosnd->avail < runtime->period_size) {
+		spin_unlock_irqrestore(&gosnd->lock, flags);
+		return;
+	}
+	gosnd->avail -= runtime->period_size;
+	spin_unlock_irqrestore(&gosnd->lock, flags);
+	if (gosnd->capturing)
+		snd_pcm_period_elapsed(gosnd->substream);
+}
+
+static int go7007_snd_hw_params(struct snd_pcm_substream *substream,
+				struct snd_pcm_hw_params *hw_params)
+{
+	struct go7007 *go = snd_pcm_substream_chip(substream);
+
+	go->audio_deliver = parse_audio_stream_data;
+	return 0;
+}
+
+static int go7007_snd_hw_free(struct snd_pcm_substream *substream)
+{
+	struct go7007 *go = snd_pcm_substream_chip(substream);
+
+	go->audio_deliver = NULL;
+	return 0;
+}
+
+static int go7007_snd_capture_open(struct snd_pcm_substream *substream)
+{
+	struct go7007 *go = snd_pcm_substream_chip(substream);
+	struct go7007_snd *gosnd = go->snd_context;
+	unsigned long flags;
+	int r;
+
+	spin_lock_irqsave(&gosnd->lock, flags);
+	if (gosnd->substream == NULL) {
+		gosnd->substream = substream;
+		substream->runtime->hw = go7007_snd_capture_hw;
+		r = 0;
+	} else
+		r = -EBUSY;
+	spin_unlock_irqrestore(&gosnd->lock, flags);
+	return r;
+}
+
+static int go7007_snd_capture_close(struct snd_pcm_substream *substream)
+{
+	struct go7007 *go = snd_pcm_substream_chip(substream);
+	struct go7007_snd *gosnd = go->snd_context;
+
+	gosnd->substream = NULL;
+	return 0;
+}
+
+static int go7007_snd_pcm_prepare(struct snd_pcm_substream *substream)
+{
+	return 0;
+}
+
+static int go7007_snd_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+	struct go7007 *go = snd_pcm_substream_chip(substream);
+	struct go7007_snd *gosnd = go->snd_context;
+
+	switch (cmd) {
+	case SNDRV_PCM_TRIGGER_START:
+		/* Just set a flag to indicate we should signal ALSA when
+		 * sound comes in */
+		gosnd->capturing = 1;
+		return 0;
+	case SNDRV_PCM_TRIGGER_STOP:
+		gosnd->hw_ptr = gosnd->w_idx = gosnd->avail = 0;
+		gosnd->capturing = 0;
+		return 0;
+	default:
+		return -EINVAL;
+	}
+}
+
+static snd_pcm_uframes_t go7007_snd_pcm_pointer(struct snd_pcm_substream *substream)
+{
+	struct go7007 *go = snd_pcm_substream_chip(substream);
+	struct go7007_snd *gosnd = go->snd_context;
+
+	return gosnd->hw_ptr;
+}
+
+static const struct snd_pcm_ops go7007_snd_capture_ops = {
+	.open		= go7007_snd_capture_open,
+	.close		= go7007_snd_capture_close,
+	.hw_params	= go7007_snd_hw_params,
+	.hw_free	= go7007_snd_hw_free,
+	.prepare	= go7007_snd_pcm_prepare,
+	.trigger	= go7007_snd_pcm_trigger,
+	.pointer	= go7007_snd_pcm_pointer,
+};
+
+static int go7007_snd_free(struct snd_device *device)
+{
+	struct go7007 *go = device->device_data;
+
+	kfree(go->snd_context);
+	go->snd_context = NULL;
+	return 0;
+}
+
+static const struct snd_device_ops go7007_snd_device_ops = {
+	.dev_free	= go7007_snd_free,
+};
+
+int go7007_snd_init(struct go7007 *go)
+{
+	static int dev;
+	struct go7007_snd *gosnd;
+	int ret;
+
+	if (dev >= SNDRV_CARDS)
+		return -ENODEV;
+	if (!enable[dev]) {
+		dev++;
+		return -ENOENT;
+	}
+	gosnd = kmalloc(sizeof(struct go7007_snd), GFP_KERNEL);
+	if (gosnd == NULL)
+		return -ENOMEM;
+	spin_lock_init(&gosnd->lock);
+	gosnd->hw_ptr = gosnd->w_idx = gosnd->avail = 0;
+	gosnd->capturing = 0;
+	ret = snd_card_new(go->dev, index[dev], id[dev], THIS_MODULE, 0,
+			   &gosnd->card);
+	if (ret < 0)
+		goto free_snd;
+
+	ret = snd_device_new(gosnd->card, SNDRV_DEV_LOWLEVEL, go,
+			&go7007_snd_device_ops);
+	if (ret < 0)
+		goto free_card;
+
+	ret = snd_pcm_new(gosnd->card, "go7007", 0, 0, 1, &gosnd->pcm);
+	if (ret < 0)
+		goto free_card;
+
+	strscpy(gosnd->card->driver, "go7007", sizeof(gosnd->card->driver));
+	strscpy(gosnd->card->shortname, go->name, sizeof(gosnd->card->shortname));
+	strscpy(gosnd->card->longname, gosnd->card->shortname,
+		sizeof(gosnd->card->longname));
+
+	gosnd->pcm->private_data = go;
+	snd_pcm_set_ops(gosnd->pcm, SNDRV_PCM_STREAM_CAPTURE,
+			&go7007_snd_capture_ops);
+	snd_pcm_set_managed_buffer_all(gosnd->pcm, SNDRV_DMA_TYPE_VMALLOC,
+				       NULL, 0, 0);
+
+	ret = snd_card_register(gosnd->card);
+	if (ret < 0)
+		goto free_card;
+
+	gosnd->substream = NULL;
+	go->snd_context = gosnd;
+	v4l2_device_get(&go->v4l2_dev);
+	++dev;
+
+	return 0;
+
+free_card:
+	snd_card_free(gosnd->card);
+free_snd:
+	kfree(gosnd);
+	return ret;
+}
+EXPORT_SYMBOL(go7007_snd_init);
+
+int go7007_snd_remove(struct go7007 *go)
+{
+	struct go7007_snd *gosnd = go->snd_context;
+
+	snd_card_disconnect(gosnd->card);
+	snd_card_free_when_closed(gosnd->card);
+	v4l2_device_put(&go->v4l2_dev);
+	return 0;
+}
+EXPORT_SYMBOL(go7007_snd_remove);
+
+MODULE_LICENSE("GPL v2");