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path: root/drivers/media/usb/go7007/go7007-v4l2.c
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Diffstat (limited to 'drivers/media/usb/go7007/go7007-v4l2.c')
-rw-r--r--drivers/media/usb/go7007/go7007-v4l2.c1173
1 files changed, 1173 insertions, 0 deletions
diff --git a/drivers/media/usb/go7007/go7007-v4l2.c b/drivers/media/usb/go7007/go7007-v4l2.c
new file mode 100644
index 000000000..d6bf982ef
--- /dev/null
+++ b/drivers/media/usb/go7007/go7007-v4l2.c
@@ -0,0 +1,1173 @@
+/*
+ * Copyright (C) 2005-2006 Micronas USA Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <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/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, 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_mbus_framefmt mbus_fmt;
+
+ mbus_fmt.code = MEDIA_BUS_FMT_FIXED;
+ mbus_fmt.width = fmt ? fmt->fmt.pix.width : width;
+ mbus_fmt.height = height;
+ go->encoder_h_halve = 0;
+ go->encoder_v_halve = 0;
+ go->encoder_subsample = 0;
+ call_all(&go->v4l2_dev, video, s_mbus_fmt, &mbus_fmt);
+ } 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);
+
+ strlcpy(cap->driver, "go7007", sizeof(cap->driver));
+ strlcpy(cap->card, go->name, sizeof(cap->card));
+ strlcpy(cap->bus_info, go->bus_info, sizeof(cap->bus_info));
+
+ cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE |
+ V4L2_CAP_STREAMING;
+
+ if (go->board_info->num_aud_inputs)
+ cap->device_caps |= V4L2_CAP_AUDIO;
+ if (go->board_info->flags & GO7007_BOARD_HAS_TUNER)
+ cap->device_caps |= V4L2_CAP_TUNER;
+ cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
+ return 0;
+}
+
+static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
+ struct v4l2_fmtdesc *fmt)
+{
+ char *desc = NULL;
+
+ switch (fmt->index) {
+ case 0:
+ fmt->pixelformat = V4L2_PIX_FMT_MJPEG;
+ desc = "Motion JPEG";
+ break;
+ case 1:
+ fmt->pixelformat = V4L2_PIX_FMT_MPEG1;
+ desc = "MPEG-1 ES";
+ break;
+ case 2:
+ fmt->pixelformat = V4L2_PIX_FMT_MPEG2;
+ desc = "MPEG-2 ES";
+ break;
+ case 3:
+ fmt->pixelformat = V4L2_PIX_FMT_MPEG4;
+ desc = "MPEG-4 ES";
+ break;
+ default:
+ return -EINVAL;
+ }
+ fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ fmt->flags = V4L2_FMT_FLAG_COMPRESSED;
+
+ strncpy(fmt->description, desc, sizeof(fmt->description));
+
+ 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,
+ const struct v4l2_format *fmt,
+ unsigned int *num_buffers, unsigned int *num_planes,
+ unsigned int sizes[], void *alloc_ctxs[])
+{
+ 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 go7007_buffer *go7007_vb =
+ container_of(vb, 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 go7007_buffer *go7007_vb =
+ container_of(vb, struct go7007_buffer, vb);
+
+ go7007_vb->modet_active = 0;
+ go7007_vb->frame_offset = 0;
+ vb->v4l2_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 go7007_buffer *go7007_vb =
+ container_of(vb, struct go7007_buffer, vb);
+ u32 frame_type_flag = get_frame_type_flag(go7007_vb, go->format);
+ struct v4l2_buffer *buf = &vb->v4l2_buf;
+
+ buf->flags &= ~(V4L2_BUF_FLAG_KEYFRAME | V4L2_BUF_FLAG_BFRAME |
+ V4L2_BUF_FLAG_PFRAME);
+ buf->flags |= frame_type_flag;
+ buf->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 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;
+
+ strncpy(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;
+ strlcpy(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;
+ strlcpy(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;
+
+ strlcpy(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_CTRL:
+ return v4l2_ctrl_subscribe_event(fh, sub);
+ 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);
+ }
+ return -EINVAL;
+}
+
+
+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 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 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;
+ video_set_drvdata(vdev, go);
+ vdev->v4l2_dev = &go->v4l2_dev;
+ if (!v4l2_device_has_op(&go->v4l2_dev, 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_GRABBER, -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);
+}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-02 13:59:56 +0000