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-rw-r--r--drivers/media/usb/go7007/Kconfig52
-rw-r--r--drivers/media/usb/go7007/Makefile12
-rw-r--r--drivers/media/usb/go7007/go7007-driver.c737
-rw-r--r--drivers/media/usb/go7007/go7007-fw.c1623
-rw-r--r--drivers/media/usb/go7007/go7007-i2c.c208
-rw-r--r--drivers/media/usb/go7007/go7007-loader.c133
-rw-r--r--drivers/media/usb/go7007/go7007-priv.h298
-rw-r--r--drivers/media/usb/go7007/go7007-usb.c1353
-rw-r--r--drivers/media/usb/go7007/go7007-v4l2.c1153
-rw-r--r--drivers/media/usb/go7007/s2250-board.c630
-rw-r--r--drivers/media/usb/go7007/snd-go7007.c271
11 files changed, 6470 insertions, 0 deletions
diff --git a/drivers/media/usb/go7007/Kconfig b/drivers/media/usb/go7007/Kconfig
new file mode 100644
index 000000000..4ff79940a
--- /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_OV7640 if MEDIA_SUBDRV_AUTOSELECT && MEDIA_CAMERA_SUPPORT
+ select VIDEO_UDA1342 if MEDIA_SUBDRV_AUTOSELECT
+ 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..6650eab91
--- /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");
+ vb->vb.vb2_buf.planes[0].bytesused = 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..2e5913bcc
--- /dev/null
+++ b/drivers/media/usb/go7007/s2250-board.c
@@ -0,0 +1,630 @@
+// 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_pad_config *cfg,
+ 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 int 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);
+ return 0;
+}
+
+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..2ce85ab38
--- /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 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");
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-29 16:46:32 +0000