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path: root/drivers/staging/go7007/go7007-v4l2.c
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Diffstat (limited to 'drivers/staging/go7007/go7007-v4l2.c')
-rw-r--r--drivers/staging/go7007/go7007-v4l2.c1839
1 files changed, 0 insertions, 1839 deletions
diff --git a/drivers/staging/go7007/go7007-v4l2.c b/drivers/staging/go7007/go7007-v4l2.c
deleted file mode 100644
index 2b27d8da70a..00000000000
--- a/drivers/staging/go7007/go7007-v4l2.c
+++ /dev/null
@@ -1,1839 +0,0 @@
-/*
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/version.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/videodev2.h>
-#include <media/v4l2-common.h>
-#include <media/v4l2-ioctl.h>
-#include <media/v4l2-subdev.h>
-#include <linux/i2c.h>
-#include <linux/mutex.h>
-#include <linux/uaccess.h>
-#include <asm/system.h>
-
-#include "go7007.h"
-#include "go7007-priv.h"
-#include "wis-i2c.h"
-
-/* Temporary defines until accepted in v4l-dvb */
-#ifndef V4L2_MPEG_STREAM_TYPE_MPEG_ELEM
-#define V4L2_MPEG_STREAM_TYPE_MPEG_ELEM 6 /* MPEG elementary stream */
-#endif
-#ifndef V4L2_MPEG_VIDEO_ENCODING_MPEG_4
-#define V4L2_MPEG_VIDEO_ENCODING_MPEG_4 3
-#endif
-
-#define call_all(dev, o, f, args...) \
- v4l2_device_call_until_err(dev, 0, o, f, ##args)
-
-static void deactivate_buffer(struct go7007_buffer *gobuf)
-{
- int i;
-
- if (gobuf->state != BUF_STATE_IDLE) {
- list_del(&gobuf->stream);
- gobuf->state = BUF_STATE_IDLE;
- }
- if (gobuf->page_count > 0) {
- for (i = 0; i < gobuf->page_count; ++i)
- page_cache_release(gobuf->pages[i]);
- gobuf->page_count = 0;
- }
-}
-
-static void abort_queued(struct go7007 *go)
-{
- struct go7007_buffer *gobuf, *next;
-
- list_for_each_entry_safe(gobuf, next, &go->stream, stream) {
- deactivate_buffer(gobuf);
- }
-}
-
-static int go7007_streamoff(struct go7007 *go)
-{
- int retval = -EINVAL;
- unsigned long flags;
-
- mutex_lock(&go->hw_lock);
- if (go->streaming) {
- go->streaming = 0;
- go7007_stream_stop(go);
- spin_lock_irqsave(&go->spinlock, flags);
- abort_queued(go);
- spin_unlock_irqrestore(&go->spinlock, flags);
- go7007_reset_encoder(go);
- retval = 0;
- }
- mutex_unlock(&go->hw_lock);
- return 0;
-}
-
-static int go7007_open(struct file *file)
-{
- struct go7007 *go = video_get_drvdata(video_devdata(file));
- struct go7007_file *gofh;
-
- if (go->status != STATUS_ONLINE)
- return -EBUSY;
- gofh = kmalloc(sizeof(struct go7007_file), GFP_KERNEL);
- if (gofh == NULL)
- return -ENOMEM;
- ++go->ref_count;
- gofh->go = go;
- mutex_init(&gofh->lock);
- gofh->buf_count = 0;
- file->private_data = gofh;
- return 0;
-}
-
-static int go7007_release(struct file *file)
-{
- struct go7007_file *gofh = file->private_data;
- struct go7007 *go = gofh->go;
-
- if (gofh->buf_count > 0) {
- go7007_streamoff(go);
- go->in_use = 0;
- kfree(gofh->bufs);
- gofh->buf_count = 0;
- }
- kfree(gofh);
- if (--go->ref_count == 0)
- kfree(go);
- file->private_data = NULL;
- return 0;
-}
-
-static u32 get_frame_type_flag(struct go7007_buffer *gobuf, int format)
-{
- u8 *f = page_address(gobuf->pages[0]);
-
- switch (format) {
- case GO7007_FORMAT_MJPEG:
- return V4L2_BUF_FLAG_KEYFRAME;
- case GO7007_FORMAT_MPEG4:
- switch ((f[gobuf->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 GO7007_FORMAT_MPEG1:
- case GO7007_FORMAT_MPEG2:
- switch ((f[gobuf->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 int set_capture_size(struct go7007 *go, struct v4l2_format *fmt, int try)
-{
- int sensor_height = 0, sensor_width = 0;
- int width, height, i;
-
- if (fmt != NULL && fmt->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG &&
- fmt->fmt.pix.pixelformat != V4L2_PIX_FMT_MPEG &&
- fmt->fmt.pix.pixelformat != V4L2_PIX_FMT_MPEG4)
- return -EINVAL;
-
- switch (go->standard) {
- case GO7007_STD_NTSC:
- sensor_width = 720;
- sensor_height = 480;
- break;
- case GO7007_STD_PAL:
- sensor_width = 720;
- sensor_height = 576;
- break;
- case GO7007_STD_OTHER:
- sensor_width = go->board_info->sensor_width;
- sensor_height = go->board_info->sensor_height;
- break;
- }
-
- 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 {
- int requested_size = fmt->fmt.pix.width * fmt->fmt.pix.height;
- int sensor_size = sensor_width * sensor_height;
-
- if (64 * requested_size < 9 * sensor_size) {
- width = sensor_width / 4;
- height = sensor_height / 4;
- } else if (64 * requested_size < 36 * sensor_size) {
- 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;
-
- 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;
- for (i = 0; i < 4; ++i)
- go->modet[i].enable = 0;
- for (i = 0; i < 1624; ++i)
- go->modet_map[i] = 0;
-
- if (go->board_info->sensor_flags & GO7007_SENSOR_SCALING) {
- struct v4l2_mbus_framefmt mbus_fmt;
-
- mbus_fmt.code = V4L2_MBUS_FMT_FIXED;
- if (fmt != NULL)
- mbus_fmt.width = fmt->fmt.pix.width;
- else
- mbus_fmt.width = width;
-
- if (height > sensor_height / 2) {
- mbus_fmt.height = height / 2;
- go->encoder_v_halve = 0;
- } else {
- mbus_fmt.height = height;
- go->encoder_v_halve = 1;
- }
- 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;
- }
- }
-
- if (fmt == NULL)
- return 0;
-
- switch (fmt->fmt.pix.pixelformat) {
- case V4L2_PIX_FMT_MPEG:
- if (go->format == GO7007_FORMAT_MPEG1 ||
- go->format == GO7007_FORMAT_MPEG2 ||
- go->format == GO7007_FORMAT_MPEG4)
- break;
- go->format = GO7007_FORMAT_MPEG1;
- go->pali = 0;
- go->aspect_ratio = GO7007_RATIO_1_1;
- go->gop_size = go->sensor_framerate / 1000;
- go->ipb = 0;
- go->closed_gop = 1;
- go->repeat_seqhead = 1;
- go->seq_header_enable = 1;
- go->gop_header_enable = 1;
- go->dvd_mode = 0;
- break;
- /* Backwards compatibility only! */
- case V4L2_PIX_FMT_MPEG4:
- if (go->format == GO7007_FORMAT_MPEG4)
- break;
- go->format = GO7007_FORMAT_MPEG4;
- go->pali = 0xf5;
- go->aspect_ratio = GO7007_RATIO_1_1;
- go->gop_size = go->sensor_framerate / 1000;
- go->ipb = 0;
- go->closed_gop = 1;
- go->repeat_seqhead = 1;
- go->seq_header_enable = 1;
- go->gop_header_enable = 1;
- go->dvd_mode = 0;
- break;
- case V4L2_PIX_FMT_MJPEG:
- go->format = GO7007_FORMAT_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;
- break;
- }
- return 0;
-}
-
-#if 0
-static int clip_to_modet_map(struct go7007 *go, int region,
- struct v4l2_clip *clip_list)
-{
- struct v4l2_clip clip, *clip_ptr;
- int x, y, mbnum;
-
- /* Check if coordinates are OK and if any macroblocks are already
- * used by other regions (besides 0) */
- clip_ptr = clip_list;
- while (clip_ptr) {
- if (copy_from_user(&clip, clip_ptr, sizeof(clip)))
- return -EFAULT;
- if (clip.c.left < 0 || (clip.c.left & 0xF) ||
- clip.c.width <= 0 || (clip.c.width & 0xF))
- return -EINVAL;
- if (clip.c.left + clip.c.width > go->width)
- return -EINVAL;
- if (clip.c.top < 0 || (clip.c.top & 0xF) ||
- clip.c.height <= 0 || (clip.c.height & 0xF))
- return -EINVAL;
- if (clip.c.top + clip.c.height > go->height)
- return -EINVAL;
- for (y = 0; y < clip.c.height; y += 16)
- for (x = 0; x < clip.c.width; x += 16) {
- mbnum = (go->width >> 4) *
- ((clip.c.top + y) >> 4) +
- ((clip.c.left + x) >> 4);
- if (go->modet_map[mbnum] != 0 &&
- go->modet_map[mbnum] != region)
- return -EBUSY;
- }
- clip_ptr = clip.next;
- }
-
- /* Clear old region macroblocks */
- for (mbnum = 0; mbnum < 1624; ++mbnum)
- if (go->modet_map[mbnum] == region)
- go->modet_map[mbnum] = 0;
-
- /* Claim macroblocks in this list */
- clip_ptr = clip_list;
- while (clip_ptr) {
- if (copy_from_user(&clip, clip_ptr, sizeof(clip)))
- return -EFAULT;
- for (y = 0; y < clip.c.height; y += 16)
- for (x = 0; x < clip.c.width; x += 16) {
- mbnum = (go->width >> 4) *
- ((clip.c.top + y) >> 4) +
- ((clip.c.left + x) >> 4);
- go->modet_map[mbnum] = region;
- }
- clip_ptr = clip.next;
- }
- return 0;
-}
-#endif
-
-static int mpeg_query_ctrl(struct v4l2_queryctrl *ctrl)
-{
- static const u32 mpeg_ctrls[] = {
- V4L2_CID_MPEG_CLASS,
- V4L2_CID_MPEG_STREAM_TYPE,
- V4L2_CID_MPEG_VIDEO_ENCODING,
- V4L2_CID_MPEG_VIDEO_ASPECT,
- V4L2_CID_MPEG_VIDEO_GOP_SIZE,
- V4L2_CID_MPEG_VIDEO_GOP_CLOSURE,
- V4L2_CID_MPEG_VIDEO_BITRATE,
- 0
- };
- static const u32 *ctrl_classes[] = {
- mpeg_ctrls,
- NULL
- };
-
- ctrl->id = v4l2_ctrl_next(ctrl_classes, ctrl->id);
-
- switch (ctrl->id) {
- case V4L2_CID_MPEG_CLASS:
- return v4l2_ctrl_query_fill(ctrl, 0, 0, 0, 0);
- case V4L2_CID_MPEG_STREAM_TYPE:
- return v4l2_ctrl_query_fill(ctrl,
- V4L2_MPEG_STREAM_TYPE_MPEG2_DVD,
- V4L2_MPEG_STREAM_TYPE_MPEG_ELEM, 1,
- V4L2_MPEG_STREAM_TYPE_MPEG_ELEM);
- case V4L2_CID_MPEG_VIDEO_ENCODING:
- return v4l2_ctrl_query_fill(ctrl,
- V4L2_MPEG_VIDEO_ENCODING_MPEG_1,
- V4L2_MPEG_VIDEO_ENCODING_MPEG_4, 1,
- V4L2_MPEG_VIDEO_ENCODING_MPEG_2);
- case V4L2_CID_MPEG_VIDEO_ASPECT:
- return v4l2_ctrl_query_fill(ctrl,
- V4L2_MPEG_VIDEO_ASPECT_1x1,
- V4L2_MPEG_VIDEO_ASPECT_16x9, 1,
- V4L2_MPEG_VIDEO_ASPECT_1x1);
- case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
- return v4l2_ctrl_query_fill(ctrl, 0, 34, 1, 15);
- case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE:
- return v4l2_ctrl_query_fill(ctrl, 0, 1, 1, 0);
- case V4L2_CID_MPEG_VIDEO_BITRATE:
- return v4l2_ctrl_query_fill(ctrl,
- 64000,
- 10000000, 1,
- 1500000);
- default:
- return -EINVAL;
- }
- return 0;
-}
-
-static int mpeg_s_ctrl(struct v4l2_control *ctrl, struct go7007 *go)
-{
- /* pretty sure we can't change any of these while streaming */
- if (go->streaming)
- return -EBUSY;
-
- switch (ctrl->id) {
- case V4L2_CID_MPEG_STREAM_TYPE:
- switch (ctrl->value) {
- case V4L2_MPEG_STREAM_TYPE_MPEG2_DVD:
- go->format = GO7007_FORMAT_MPEG2;
- go->bitrate = 9800000;
- go->gop_size = 15;
- go->pali = 0x48;
- go->closed_gop = 1;
- go->repeat_seqhead = 0;
- go->seq_header_enable = 1;
- go->gop_header_enable = 1;
- go->dvd_mode = 1;
- break;
- case V4L2_MPEG_STREAM_TYPE_MPEG_ELEM:
- /* todo: */
- break;
- default:
- return -EINVAL;
- }
- break;
- case V4L2_CID_MPEG_VIDEO_ENCODING:
- switch (ctrl->value) {
- case V4L2_MPEG_VIDEO_ENCODING_MPEG_1:
- go->format = GO7007_FORMAT_MPEG1;
- go->pali = 0;
- break;
- case V4L2_MPEG_VIDEO_ENCODING_MPEG_2:
- go->format = GO7007_FORMAT_MPEG2;
- /*if (mpeg->pali >> 24 == 2)
- go->pali = mpeg->pali & 0xff;
- else*/
- go->pali = 0x48;
- break;
- case V4L2_MPEG_VIDEO_ENCODING_MPEG_4:
- go->format = GO7007_FORMAT_MPEG4;
- /*if (mpeg->pali >> 24 == 4)
- go->pali = mpeg->pali & 0xff;
- else*/
- go->pali = 0xf5;
- break;
- default:
- return -EINVAL;
- }
- go->gop_header_enable =
- /*mpeg->flags & GO7007_MPEG_OMIT_GOP_HEADER
- ? 0 :*/ 1;
- /*if (mpeg->flags & GO7007_MPEG_REPEAT_SEQHEADER)
- go->repeat_seqhead = 1;
- else*/
- go->repeat_seqhead = 0;
- go->dvd_mode = 0;
- break;
- case V4L2_CID_MPEG_VIDEO_ASPECT:
- if (go->format == GO7007_FORMAT_MJPEG)
- return -EINVAL;
- switch (ctrl->value) {
- 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;
- case V4L2_MPEG_VIDEO_ASPECT_221x100:
- default:
- return -EINVAL;
- }
- break;
- case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
- if (ctrl->value < 0 || ctrl->value > 34)
- return -EINVAL;
- go->gop_size = ctrl->value;
- break;
- case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE:
- if (ctrl->value != 0 && ctrl->value != 1)
- return -EINVAL;
- go->closed_gop = ctrl->value;
- break;
- case V4L2_CID_MPEG_VIDEO_BITRATE:
- /* Upper bound is kind of arbitrary here */
- if (ctrl->value < 64000 || ctrl->value > 10000000)
- return -EINVAL;
- go->bitrate = ctrl->value;
- break;
- default:
- return -EINVAL;
- }
- return 0;
-}
-
-static int mpeg_g_ctrl(struct v4l2_control *ctrl, struct go7007 *go)
-{
- switch (ctrl->id) {
- case V4L2_CID_MPEG_STREAM_TYPE:
- if (go->dvd_mode)
- ctrl->value = V4L2_MPEG_STREAM_TYPE_MPEG2_DVD;
- else
- ctrl->value = V4L2_MPEG_STREAM_TYPE_MPEG_ELEM;
- break;
- case V4L2_CID_MPEG_VIDEO_ENCODING:
- switch (go->format) {
- case GO7007_FORMAT_MPEG1:
- ctrl->value = V4L2_MPEG_VIDEO_ENCODING_MPEG_1;
- break;
- case GO7007_FORMAT_MPEG2:
- ctrl->value = V4L2_MPEG_VIDEO_ENCODING_MPEG_2;
- break;
- case GO7007_FORMAT_MPEG4:
- ctrl->value = V4L2_MPEG_VIDEO_ENCODING_MPEG_4;
- break;
- default:
- return -EINVAL;
- }
- break;
- case V4L2_CID_MPEG_VIDEO_ASPECT:
- switch (go->aspect_ratio) {
- case GO7007_RATIO_1_1:
- ctrl->value = V4L2_MPEG_VIDEO_ASPECT_1x1;
- break;
- case GO7007_RATIO_4_3:
- ctrl->value = V4L2_MPEG_VIDEO_ASPECT_4x3;
- break;
- case GO7007_RATIO_16_9:
- ctrl->value = V4L2_MPEG_VIDEO_ASPECT_16x9;
- break;
- default:
- return -EINVAL;
- }
- break;
- case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
- ctrl->value = go->gop_size;
- break;
- case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE:
- ctrl->value = go->closed_gop;
- break;
- case V4L2_CID_MPEG_VIDEO_BITRATE:
- ctrl->value = go->bitrate;
- break;
- default:
- return -EINVAL;
- }
- return 0;
-}
-
-static int vidioc_querycap(struct file *file, void *priv,
- struct v4l2_capability *cap)
-{
- struct go7007 *go = ((struct go7007_file *) priv)->go;
-
- strlcpy(cap->driver, "go7007", sizeof(cap->driver));
- strlcpy(cap->card, go->name, sizeof(cap->card));
-#if 0
- strlcpy(cap->bus_info, dev_name(&dev->udev->dev), sizeof(cap->bus_info));
-#endif
-
- cap->version = KERNEL_VERSION(0, 9, 8);
-
- cap->capabilities = V4L2_CAP_VIDEO_CAPTURE |
- V4L2_CAP_STREAMING; /* | V4L2_CAP_AUDIO; */
-
- if (go->board_info->flags & GO7007_BOARD_HAS_TUNER)
- cap->capabilities |= V4L2_CAP_TUNER;
-
- 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_MPEG;
- desc = "MPEG1/MPEG2/MPEG4";
- 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 = ((struct go7007_file *) priv)->go;
-
- 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 == GO7007_FORMAT_MJPEG) ?
- V4L2_PIX_FMT_MJPEG : V4L2_PIX_FMT_MPEG;
- 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 = ((struct go7007_file *) priv)->go;
-
- 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 = ((struct go7007_file *) priv)->go;
-
- if (go->streaming)
- return -EBUSY;
-
- return set_capture_size(go, fmt, 0);
-}
-
-static int vidioc_reqbufs(struct file *file, void *priv,
- struct v4l2_requestbuffers *req)
-{
- struct go7007_file *gofh = priv;
- struct go7007 *go = gofh->go;
- int retval = -EBUSY;
- unsigned int count, i;
-
- if (go->streaming)
- return retval;
-
- if (req->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
- req->memory != V4L2_MEMORY_MMAP)
- return -EINVAL;
-
- mutex_lock(&gofh->lock);
- for (i = 0; i < gofh->buf_count; ++i)
- if (gofh->bufs[i].mapped > 0)
- goto unlock_and_return;
-
- mutex_lock(&go->hw_lock);
- if (go->in_use > 0 && gofh->buf_count == 0) {
- mutex_unlock(&go->hw_lock);
- goto unlock_and_return;
- }
-
- if (gofh->buf_count > 0)
- kfree(gofh->bufs);
-
- retval = -ENOMEM;
- count = req->count;
- if (count > 0) {
- if (count < 2)
- count = 2;
- if (count > 32)
- count = 32;
-
- gofh->bufs = kcalloc(count, sizeof(struct go7007_buffer),
- GFP_KERNEL);
-
- if (!gofh->bufs) {
- mutex_unlock(&go->hw_lock);
- goto unlock_and_return;
- }
-
- for (i = 0; i < count; ++i) {
- gofh->bufs[i].go = go;
- gofh->bufs[i].index = i;
- gofh->bufs[i].state = BUF_STATE_IDLE;
- gofh->bufs[i].mapped = 0;
- }
-
- go->in_use = 1;
- } else {
- go->in_use = 0;
- }
-
- gofh->buf_count = count;
- mutex_unlock(&go->hw_lock);
- mutex_unlock(&gofh->lock);
-
- memset(req, 0, sizeof(*req));
-
- req->count = count;
- req->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- req->memory = V4L2_MEMORY_MMAP;
-
- return 0;
-
-unlock_and_return:
- mutex_unlock(&gofh->lock);
- return retval;
-}
-
-static int vidioc_querybuf(struct file *file, void *priv,
- struct v4l2_buffer *buf)
-{
- struct go7007_file *gofh = priv;
- int retval = -EINVAL;
- unsigned int index;
-
- if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
- return retval;
-
- index = buf->index;
-
- mutex_lock(&gofh->lock);
- if (index >= gofh->buf_count)
- goto unlock_and_return;
-
- memset(buf, 0, sizeof(*buf));
- buf->index = index;
- buf->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-
- switch (gofh->bufs[index].state) {
- case BUF_STATE_QUEUED:
- buf->flags = V4L2_BUF_FLAG_QUEUED;
- break;
- case BUF_STATE_DONE:
- buf->flags = V4L2_BUF_FLAG_DONE;
- break;
- default:
- buf->flags = 0;
- }
-
- if (gofh->bufs[index].mapped)
- buf->flags |= V4L2_BUF_FLAG_MAPPED;
- buf->memory = V4L2_MEMORY_MMAP;
- buf->m.offset = index * GO7007_BUF_SIZE;
- buf->length = GO7007_BUF_SIZE;
- mutex_unlock(&gofh->lock);
-
- return 0;
-
-unlock_and_return:
- mutex_unlock(&gofh->lock);
- return retval;
-}
-
-static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
-{
- struct go7007_file *gofh = priv;
- struct go7007 *go = gofh->go;
- struct go7007_buffer *gobuf;
- unsigned long flags;
- int retval = -EINVAL;
- int ret;
-
- if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
- buf->memory != V4L2_MEMORY_MMAP)
- return retval;
-
- mutex_lock(&gofh->lock);
- if (buf->index < 0 || buf->index >= gofh->buf_count)
- goto unlock_and_return;
-
- gobuf = &gofh->bufs[buf->index];
- if (!gobuf->mapped)
- goto unlock_and_return;
-
- retval = -EBUSY;
- if (gobuf->state != BUF_STATE_IDLE)
- goto unlock_and_return;
-
- /* offset will be 0 until we really support USERPTR streaming */
- gobuf->offset = gobuf->user_addr & ~PAGE_MASK;
- gobuf->bytesused = 0;
- gobuf->frame_offset = 0;
- gobuf->modet_active = 0;
- if (gobuf->offset > 0)
- gobuf->page_count = GO7007_BUF_PAGES + 1;
- else
- gobuf->page_count = GO7007_BUF_PAGES;
-
- retval = -ENOMEM;
- down_read(&current->mm->mmap_sem);
- ret = get_user_pages(current, current->mm,
- gobuf->user_addr & PAGE_MASK, gobuf->page_count,
- 1, 1, gobuf->pages, NULL);
- up_read(&current->mm->mmap_sem);
-
- if (ret != gobuf->page_count) {
- int i;
- for (i = 0; i < ret; ++i)
- page_cache_release(gobuf->pages[i]);
- gobuf->page_count = 0;
- goto unlock_and_return;
- }
-
- gobuf->state = BUF_STATE_QUEUED;
- spin_lock_irqsave(&go->spinlock, flags);
- list_add_tail(&gobuf->stream, &go->stream);
- spin_unlock_irqrestore(&go->spinlock, flags);
- mutex_unlock(&gofh->lock);
-
- return 0;
-
-unlock_and_return:
- mutex_unlock(&gofh->lock);
- return retval;
-}
-
-
-static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
-{
- struct go7007_file *gofh = priv;
- struct go7007 *go = gofh->go;
- struct go7007_buffer *gobuf;
- int retval = -EINVAL;
- unsigned long flags;
- u32 frame_type_flag;
- DEFINE_WAIT(wait);
-
- if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
- return retval;
- if (buf->memory != V4L2_MEMORY_MMAP)
- return retval;
-
- mutex_lock(&gofh->lock);
- if (list_empty(&go->stream))
- goto unlock_and_return;
- gobuf = list_entry(go->stream.next,
- struct go7007_buffer, stream);
-
- retval = -EAGAIN;
- if (gobuf->state != BUF_STATE_DONE &&
- !(file->f_flags & O_NONBLOCK)) {
- for (;;) {
- prepare_to_wait(&go->frame_waitq, &wait,
- TASK_INTERRUPTIBLE);
- if (gobuf->state == BUF_STATE_DONE)
- break;
- if (signal_pending(current)) {
- retval = -ERESTARTSYS;
- break;
- }
- schedule();
- }
- finish_wait(&go->frame_waitq, &wait);
- }
- if (gobuf->state != BUF_STATE_DONE)
- goto unlock_and_return;
-
- spin_lock_irqsave(&go->spinlock, flags);
- deactivate_buffer(gobuf);
- spin_unlock_irqrestore(&go->spinlock, flags);
- frame_type_flag = get_frame_type_flag(gobuf, go->format);
- gobuf->state = BUF_STATE_IDLE;
-
- memset(buf, 0, sizeof(*buf));
- buf->index = gobuf->index;
- buf->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- buf->bytesused = gobuf->bytesused;
- buf->flags = V4L2_BUF_FLAG_MAPPED | frame_type_flag;
- buf->field = V4L2_FIELD_NONE;
- buf->timestamp = gobuf->timestamp;
- buf->sequence = gobuf->seq;
- buf->memory = V4L2_MEMORY_MMAP;
- buf->m.offset = gobuf->index * GO7007_BUF_SIZE;
- buf->length = GO7007_BUF_SIZE;
- buf->reserved = gobuf->modet_active;
-
- mutex_unlock(&gofh->lock);
- return 0;
-
-unlock_and_return:
- mutex_unlock(&gofh->lock);
- return retval;
-}
-
-static int vidioc_streamon(struct file *file, void *priv,
- enum v4l2_buf_type type)
-{
- struct go7007_file *gofh = priv;
- struct go7007 *go = gofh->go;
- int retval = 0;
-
- if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
- return -EINVAL;
-
- mutex_lock(&gofh->lock);
- mutex_lock(&go->hw_lock);
-
- if (!go->streaming) {
- go->streaming = 1;
- go->next_seq = 0;
- go->active_buf = NULL;
- if (go7007_start_encoder(go) < 0)
- retval = -EIO;
- else
- retval = 0;
- }
- mutex_unlock(&go->hw_lock);
- mutex_unlock(&gofh->lock);
-
- return retval;
-}
-
-static int vidioc_streamoff(struct file *file, void *priv,
- enum v4l2_buf_type type)
-{
- struct go7007_file *gofh = priv;
- struct go7007 *go = gofh->go;
-
- if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
- return -EINVAL;
- mutex_lock(&gofh->lock);
- go7007_streamoff(go);
- mutex_unlock(&gofh->lock);
-
- return 0;
-}
-
-static int vidioc_queryctrl(struct file *file, void *priv,
- struct v4l2_queryctrl *query)
-{
- struct go7007 *go = ((struct go7007_file *) priv)->go;
- int id = query->id;
-
- if (0 == call_all(&go->v4l2_dev, core, queryctrl, query))
- return 0;
-
- query->id = id;
- return mpeg_query_ctrl(query);
-}
-
-static int vidioc_g_ctrl(struct file *file, void *priv,
- struct v4l2_control *ctrl)
-{
- struct go7007 *go = ((struct go7007_file *) priv)->go;
-
- if (0 == call_all(&go->v4l2_dev, core, g_ctrl, ctrl))
- return 0;
-
- return mpeg_g_ctrl(ctrl, go);
-}
-
-static int vidioc_s_ctrl(struct file *file, void *priv,
- struct v4l2_control *ctrl)
-{
- struct go7007 *go = ((struct go7007_file *) priv)->go;
-
- if (0 == call_all(&go->v4l2_dev, core, s_ctrl, ctrl))
- return 0;
-
- return mpeg_s_ctrl(ctrl, go);
-}
-
-static int vidioc_g_parm(struct file *filp, void *priv,
- struct v4l2_streamparm *parm)
-{
- struct go7007 *go = ((struct go7007_file *) priv)->go;
- 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.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 = ((struct go7007_file *) priv)->go;
- unsigned int n, d;
-
- if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
- return -EINVAL;
- if (parm->parm.capture.capturemode != 0)
- 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 0;
-}
-
-/* VIDIOC_ENUMSTD on go7007 were used for enumberating the supported fps and
- its resolution, when the device is not connected to TV.
- This were an API abuse, probably used by the lack of specific IOCTL's to
- enumberate it, by the time the driver were 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 bellow implements the newer ioctls
-*/
-static int vidioc_enum_framesizes(struct file *filp, void *priv,
- struct v4l2_frmsizeenum *fsize)
-{
- struct go7007 *go = ((struct go7007_file *) priv)->go;
-
- /* Return -EINVAL, if it is a TV board */
- if ((go->board_info->flags & GO7007_BOARD_HAS_TUNER) ||
- (go->board_info->sensor_flags & GO7007_SENSOR_TV))
- return -EINVAL;
-
- if (fsize->index > 0)
- return -EINVAL;
-
- fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE;
- fsize->discrete.width = go->board_info->sensor_width;
- fsize->discrete.height = go->board_info->sensor_height;
-
- return 0;
-}
-
-static int vidioc_enum_frameintervals(struct file *filp, void *priv,
- struct v4l2_frmivalenum *fival)
-{
- struct go7007 *go = ((struct go7007_file *) priv)->go;
-
- /* Return -EINVAL, if it is a TV board */
- if ((go->board_info->flags & GO7007_BOARD_HAS_TUNER) ||
- (go->board_info->sensor_flags & GO7007_SENSOR_TV))
- return -EINVAL;
-
- if (fival->index > 0)
- return -EINVAL;
-
- fival->type = V4L2_FRMIVAL_TYPE_DISCRETE;
- fival->discrete.numerator = 1001;
- fival->discrete.denominator = go->board_info->sensor_framerate;
-
- return 0;
-}
-
-static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *std)
-{
- struct go7007 *go = ((struct go7007_file *) priv)->go;
-
- switch (go->standard) {
- case GO7007_STD_NTSC:
- *std = V4L2_STD_NTSC;
- break;
- case GO7007_STD_PAL:
- *std = V4L2_STD_PAL;
- break;
- default:
- return -EINVAL;
- }
-
- return 0;
-}
-
-static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *std)
-{
- struct go7007 *go = ((struct go7007_file *) priv)->go;
-
- if (go->streaming)
- return -EBUSY;
-
- if (!(go->board_info->sensor_flags & GO7007_SENSOR_TV) && *std != 0)
- return -EINVAL;
-
- if (*std == 0)
- return -EINVAL;
-
- if ((go->board_info->flags & GO7007_BOARD_HAS_TUNER) &&
- go->input == go->board_info->num_inputs - 1) {
- if (!go->i2c_adapter_online)
- return -EIO;
- if (call_all(&go->v4l2_dev, core, s_std, *std) < 0)
- return -EINVAL;
- }
-
- if (*std & V4L2_STD_NTSC) {
- go->standard = GO7007_STD_NTSC;
- go->sensor_framerate = 30000;
- } else if (*std & V4L2_STD_PAL) {
- go->standard = GO7007_STD_PAL;
- go->sensor_framerate = 25025;
- } else if (*std & V4L2_STD_SECAM) {
- go->standard = GO7007_STD_PAL;
- go->sensor_framerate = 25025;
- } else
- return -EINVAL;
-
- call_all(&go->v4l2_dev, core, s_std, *std);
- set_capture_size(go, NULL, 0);
-
- return 0;
-}
-
-static int vidioc_querystd(struct file *file, void *priv, v4l2_std_id *std)
-{
- struct go7007 *go = ((struct go7007_file *) priv)->go;
-
- if ((go->board_info->flags & GO7007_BOARD_HAS_TUNER) &&
- go->input == go->board_info->num_inputs - 1) {
- if (!go->i2c_adapter_online)
- return -EIO;
- return call_all(&go->v4l2_dev, video, querystd, std);
- } else if (go->board_info->sensor_flags & GO7007_SENSOR_TV)
- *std = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM;
- else
- *std = 0;
-
- return 0;
-}
-
-static int vidioc_enum_input(struct file *file, void *priv,
- struct v4l2_input *inp)
-{
- struct go7007 *go = ((struct go7007_file *) priv)->go;
-
- 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 last input */
- if ((go->board_info->flags & GO7007_BOARD_HAS_TUNER) &&
- inp->index == go->board_info->num_inputs - 1)
- inp->type = V4L2_INPUT_TYPE_TUNER;
- else
- inp->type = V4L2_INPUT_TYPE_CAMERA;
-
- inp->audioset = 0;
- inp->tuner = 0;
- if (go->board_info->sensor_flags & GO7007_SENSOR_TV)
- inp->std = V4L2_STD_NTSC | V4L2_STD_PAL |
- V4L2_STD_SECAM;
- else
- inp->std = 0;
-
- return 0;
-}
-
-
-static int vidioc_g_input(struct file *file, void *priv, unsigned int *input)
-{
- struct go7007 *go = ((struct go7007_file *) priv)->go;
-
- *input = go->input;
-
- return 0;
-}
-
-static int vidioc_s_input(struct file *file, void *priv, unsigned int input)
-{
- struct go7007 *go = ((struct go7007_file *) priv)->go;
-
- if (input >= go->board_info->num_inputs)
- return -EINVAL;
- if (go->streaming)
- return -EBUSY;
-
- go->input = input;
-
- return call_all(&go->v4l2_dev, video, s_routing, input, 0, 0);
-}
-
-static int vidioc_g_tuner(struct file *file, void *priv,
- struct v4l2_tuner *t)
-{
- struct go7007 *go = ((struct go7007_file *) priv)->go;
-
- if (!(go->board_info->flags & GO7007_BOARD_HAS_TUNER))
- return -EINVAL;
- if (t->index != 0)
- return -EINVAL;
- if (!go->i2c_adapter_online)
- return -EIO;
-
- return call_all(&go->v4l2_dev, tuner, g_tuner, t);
-}
-
-static int vidioc_s_tuner(struct file *file, void *priv,
- struct v4l2_tuner *t)
-{
- struct go7007 *go = ((struct go7007_file *) priv)->go;
-
- if (!(go->board_info->flags & GO7007_BOARD_HAS_TUNER))
- return -EINVAL;
- if (t->index != 0)
- return -EINVAL;
- if (!go->i2c_adapter_online)
- return -EIO;
-
- switch (go->board_id) {
- case GO7007_BOARDID_PX_TV402U_NA:
- case GO7007_BOARDID_PX_TV402U_JP:
- /* No selectable options currently */
- if (t->audmode != V4L2_TUNER_MODE_STEREO)
- return -EINVAL;
- break;
- }
-
- 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 = ((struct go7007_file *) priv)->go;
-
- if (!(go->board_info->flags & GO7007_BOARD_HAS_TUNER))
- return -EINVAL;
- if (!go->i2c_adapter_online)
- return -EIO;
-
- f->type = V4L2_TUNER_ANALOG_TV;
-
- return call_all(&go->v4l2_dev, tuner, g_frequency, f);
-}
-
-static int vidioc_s_frequency(struct file *file, void *priv,
- struct v4l2_frequency *f)
-{
- struct go7007 *go = ((struct go7007_file *) priv)->go;
-
- if (!(go->board_info->flags & GO7007_BOARD_HAS_TUNER))
- return -EINVAL;
- if (!go->i2c_adapter_online)
- return -EIO;
-
- return call_all(&go->v4l2_dev, tuner, s_frequency, f);
-}
-
-static int vidioc_cropcap(struct file *file, void *priv,
- struct v4l2_cropcap *cropcap)
-{
- struct go7007 *go = ((struct go7007_file *) priv)->go;
-
- if (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
- return -EINVAL;
-
- /* These specify the raw input of the sensor */
- switch (go->standard) {
- case GO7007_STD_NTSC:
- cropcap->bounds.top = 0;
- cropcap->bounds.left = 0;
- cropcap->bounds.width = 720;
- cropcap->bounds.height = 480;
- cropcap->defrect.top = 0;
- cropcap->defrect.left = 0;
- cropcap->defrect.width = 720;
- cropcap->defrect.height = 480;
- break;
- case GO7007_STD_PAL:
- cropcap->bounds.top = 0;
- cropcap->bounds.left = 0;
- cropcap->bounds.width = 720;
- cropcap->bounds.height = 576;
- cropcap->defrect.top = 0;
- cropcap->defrect.left = 0;
- cropcap->defrect.width = 720;
- cropcap->defrect.height = 576;
- break;
- case GO7007_STD_OTHER:
- cropcap->bounds.top = 0;
- cropcap->bounds.left = 0;
- cropcap->bounds.width = go->board_info->sensor_width;
- cropcap->bounds.height = go->board_info->sensor_height;
- cropcap->defrect.top = 0;
- cropcap->defrect.left = 0;
- cropcap->defrect.width = go->board_info->sensor_width;
- cropcap->defrect.height = go->board_info->sensor_height;
- break;
- }
-
- return 0;
-}
-
-static int vidioc_g_crop(struct file *file, void *priv, struct v4l2_crop *crop)
-{
- struct go7007 *go = ((struct go7007_file *) priv)->go;
-
- if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
- return -EINVAL;
-
- crop->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-
- /* These specify the raw input of the sensor */
- switch (go->standard) {
- case GO7007_STD_NTSC:
- crop->c.top = 0;
- crop->c.left = 0;
- crop->c.width = 720;
- crop->c.height = 480;
- break;
- case GO7007_STD_PAL:
- crop->c.top = 0;
- crop->c.left = 0;
- crop->c.width = 720;
- crop->c.height = 576;
- break;
- case GO7007_STD_OTHER:
- crop->c.top = 0;
- crop->c.left = 0;
- crop->c.width = go->board_info->sensor_width;
- crop->c.height = go->board_info->sensor_height;
- break;
- }
-
- return 0;
-}
-
-/* FIXME: vidioc_s_crop is not really implemented!!!
- */
-static int vidioc_s_crop(struct file *file, void *priv, struct v4l2_crop *crop)
-{
- if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
- return -EINVAL;
-
- return 0;
-}
-
-static int vidioc_g_jpegcomp(struct file *file, void *priv,
- struct v4l2_jpegcompression *params)
-{
- memset(params, 0, sizeof(*params));
- params->quality = 50; /* ?? */
- params->jpeg_markers = V4L2_JPEG_MARKER_DHT |
- V4L2_JPEG_MARKER_DQT;
-
- return 0;
-}
-
-static int vidioc_s_jpegcomp(struct file *file, void *priv,
- struct v4l2_jpegcompression *params)
-{
- if (params->quality != 50 ||
- params->jpeg_markers != (V4L2_JPEG_MARKER_DHT |
- V4L2_JPEG_MARKER_DQT))
- return -EINVAL;
-
- return 0;
-}
-
-/* FIXME:
- Those ioctls are private, and not needed, since several standard
- extended controls already provide streaming control.
- So, those ioctls should be converted into vidioc_g_ext_ctrls()
- and vidioc_s_ext_ctrls()
- */
-
-#if 0
- /* Temporary ioctls for controlling compression characteristics */
- case GO7007IOC_S_BITRATE:
- {
- int *bitrate = arg;
-
- if (go->streaming)
- return -EINVAL;
- /* Upper bound is kind of arbitrary here */
- if (*bitrate < 64000 || *bitrate > 10000000)
- return -EINVAL;
- go->bitrate = *bitrate;
- return 0;
- }
- case GO7007IOC_G_BITRATE:
- {
- int *bitrate = arg;
-
- *bitrate = go->bitrate;
- return 0;
- }
- case GO7007IOC_S_COMP_PARAMS:
- {
- struct go7007_comp_params *comp = arg;
-
- if (go->format == GO7007_FORMAT_MJPEG)
- return -EINVAL;
- if (comp->gop_size > 0)
- go->gop_size = comp->gop_size;
- else
- go->gop_size = go->sensor_framerate / 1000;
- if (go->gop_size != 15)
- go->dvd_mode = 0;
- /*go->ipb = comp->max_b_frames > 0;*/ /* completely untested */
- if (go->board_info->sensor_flags & GO7007_SENSOR_TV) {
- switch (comp->aspect_ratio) {
- case GO7007_ASPECT_RATIO_4_3_NTSC:
- case GO7007_ASPECT_RATIO_4_3_PAL:
- go->aspect_ratio = GO7007_RATIO_4_3;
- break;
- case GO7007_ASPECT_RATIO_16_9_NTSC:
- case GO7007_ASPECT_RATIO_16_9_PAL:
- go->aspect_ratio = GO7007_RATIO_16_9;
- break;
- default:
- go->aspect_ratio = GO7007_RATIO_1_1;
- break;
- }
- }
- if (comp->flags & GO7007_COMP_OMIT_SEQ_HEADER) {
- go->dvd_mode = 0;
- go->seq_header_enable = 0;
- } else {
- go->seq_header_enable = 1;
- }
- /* fall-through */
- }
- case GO7007IOC_G_COMP_PARAMS:
- {
- struct go7007_comp_params *comp = arg;
-
- if (go->format == GO7007_FORMAT_MJPEG)
- return -EINVAL;
- memset(comp, 0, sizeof(*comp));
- comp->gop_size = go->gop_size;
- comp->max_b_frames = go->ipb ? 2 : 0;
- switch (go->aspect_ratio) {
- case GO7007_RATIO_4_3:
- if (go->standard == GO7007_STD_NTSC)
- comp->aspect_ratio =
- GO7007_ASPECT_RATIO_4_3_NTSC;
- else
- comp->aspect_ratio =
- GO7007_ASPECT_RATIO_4_3_PAL;
- break;
- case GO7007_RATIO_16_9:
- if (go->standard == GO7007_STD_NTSC)
- comp->aspect_ratio =
- GO7007_ASPECT_RATIO_16_9_NTSC;
- else
- comp->aspect_ratio =
- GO7007_ASPECT_RATIO_16_9_PAL;
- break;
- default:
- comp->aspect_ratio = GO7007_ASPECT_RATIO_1_1;
- break;
- }
- if (go->closed_gop)
- comp->flags |= GO7007_COMP_CLOSED_GOP;
- if (!go->seq_header_enable)
- comp->flags |= GO7007_COMP_OMIT_SEQ_HEADER;
- return 0;
- }
- case GO7007IOC_S_MPEG_PARAMS:
- {
- struct go7007_mpeg_params *mpeg = arg;
-
- if (go->format != GO7007_FORMAT_MPEG1 &&
- go->format != GO7007_FORMAT_MPEG2 &&
- go->format != GO7007_FORMAT_MPEG4)
- return -EINVAL;
-
- if (mpeg->flags & GO7007_MPEG_FORCE_DVD_MODE) {
- go->format = GO7007_FORMAT_MPEG2;
- go->bitrate = 9800000;
- go->gop_size = 15;
- go->pali = 0x48;
- go->closed_gop = 1;
- go->repeat_seqhead = 0;
- go->seq_header_enable = 1;
- go->gop_header_enable = 1;
- go->dvd_mode = 1;
- } else {
- switch (mpeg->mpeg_video_standard) {
- case GO7007_MPEG_VIDEO_MPEG1:
- go->format = GO7007_FORMAT_MPEG1;
- go->pali = 0;
- break;
- case GO7007_MPEG_VIDEO_MPEG2:
- go->format = GO7007_FORMAT_MPEG2;
- if (mpeg->pali >> 24 == 2)
- go->pali = mpeg->pali & 0xff;
- else
- go->pali = 0x48;
- break;
- case GO7007_MPEG_VIDEO_MPEG4:
- go->format = GO7007_FORMAT_MPEG4;
- if (mpeg->pali >> 24 == 4)
- go->pali = mpeg->pali & 0xff;
- else
- go->pali = 0xf5;
- break;
- default:
- return -EINVAL;
- }
- go->gop_header_enable =
- mpeg->flags & GO7007_MPEG_OMIT_GOP_HEADER
- ? 0 : 1;
- if (mpeg->flags & GO7007_MPEG_REPEAT_SEQHEADER)
- go->repeat_seqhead = 1;
- else
- go->repeat_seqhead = 0;
- go->dvd_mode = 0;
- }
- /* fall-through */
- }
- case GO7007IOC_G_MPEG_PARAMS:
- {
- struct go7007_mpeg_params *mpeg = arg;
-
- memset(mpeg, 0, sizeof(*mpeg));
- switch (go->format) {
- case GO7007_FORMAT_MPEG1:
- mpeg->mpeg_video_standard = GO7007_MPEG_VIDEO_MPEG1;
- mpeg->pali = 0;
- break;
- case GO7007_FORMAT_MPEG2:
- mpeg->mpeg_video_standard = GO7007_MPEG_VIDEO_MPEG2;
- mpeg->pali = GO7007_MPEG_PROFILE(2, go->pali);
- break;
- case GO7007_FORMAT_MPEG4:
- mpeg->mpeg_video_standard = GO7007_MPEG_VIDEO_MPEG4;
- mpeg->pali = GO7007_MPEG_PROFILE(4, go->pali);
- break;
- default:
- return -EINVAL;
- }
- if (!go->gop_header_enable)
- mpeg->flags |= GO7007_MPEG_OMIT_GOP_HEADER;
- if (go->repeat_seqhead)
- mpeg->flags |= GO7007_MPEG_REPEAT_SEQHEADER;
- if (go->dvd_mode)
- mpeg->flags |= GO7007_MPEG_FORCE_DVD_MODE;
- return 0;
- }
- case GO7007IOC_S_MD_PARAMS:
- {
- struct go7007_md_params *mdp = arg;
-
- if (mdp->region > 3)
- return -EINVAL;
- if (mdp->trigger > 0) {
- go->modet[mdp->region].pixel_threshold =
- mdp->pixel_threshold >> 1;
- go->modet[mdp->region].motion_threshold =
- mdp->motion_threshold >> 1;
- go->modet[mdp->region].mb_threshold =
- mdp->trigger >> 1;
- go->modet[mdp->region].enable = 1;
- } else
- go->modet[mdp->region].enable = 0;
- /* fall-through */
- }
- case GO7007IOC_G_MD_PARAMS:
- {
- struct go7007_md_params *mdp = arg;
- int region = mdp->region;
-
- if (mdp->region > 3)
- return -EINVAL;
- memset(mdp, 0, sizeof(struct go7007_md_params));
- mdp->region = region;
- if (!go->modet[region].enable)
- return 0;
- mdp->pixel_threshold =
- (go->modet[region].pixel_threshold << 1) + 1;
- mdp->motion_threshold =
- (go->modet[region].motion_threshold << 1) + 1;
- mdp->trigger =
- (go->modet[region].mb_threshold << 1) + 1;
- return 0;
- }
- case GO7007IOC_S_MD_REGION:
- {
- struct go7007_md_region *region = arg;
-
- if (region->region < 1 || region->region > 3)
- return -EINVAL;
- return clip_to_modet_map(go, region->region, region->clips);
- }
-#endif
-
-static ssize_t go7007_read(struct file *file, char __user *data,
- size_t count, loff_t *ppos)
-{
- return -EINVAL;
-}
-
-static void go7007_vm_open(struct vm_area_struct *vma)
-{
- struct go7007_buffer *gobuf = vma->vm_private_data;
-
- ++gobuf->mapped;
-}
-
-static void go7007_vm_close(struct vm_area_struct *vma)
-{
- struct go7007_buffer *gobuf = vma->vm_private_data;
- unsigned long flags;
-
- if (--gobuf->mapped == 0) {
- spin_lock_irqsave(&gobuf->go->spinlock, flags);
- deactivate_buffer(gobuf);
- spin_unlock_irqrestore(&gobuf->go->spinlock, flags);
- }
-}
-
-/* Copied from videobuf-dma-sg.c */
-static int go7007_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
-{
- struct page *page;
-
- page = alloc_page(GFP_USER | __GFP_DMA32);
- if (!page)
- return VM_FAULT_OOM;
- clear_user_highpage(page, (unsigned long)vmf->virtual_address);
- vmf->page = page;
- return 0;
-}
-
-static struct vm_operations_struct go7007_vm_ops = {
- .open = go7007_vm_open,
- .close = go7007_vm_close,
- .fault = go7007_vm_fault,
-};
-
-static int go7007_mmap(struct file *file, struct vm_area_struct *vma)
-{
- struct go7007_file *gofh = file->private_data;
- unsigned int index;
-
- if (gofh->go->status != STATUS_ONLINE)
- return -EIO;
- if (!(vma->vm_flags & VM_SHARED))
- return -EINVAL; /* only support VM_SHARED mapping */
- if (vma->vm_end - vma->vm_start != GO7007_BUF_SIZE)
- return -EINVAL; /* must map exactly one full buffer */
- mutex_lock(&gofh->lock);
- index = vma->vm_pgoff / GO7007_BUF_PAGES;
- if (index >= gofh->buf_count) {
- mutex_unlock(&gofh->lock);
- return -EINVAL; /* trying to map beyond requested buffers */
- }
- if (index * GO7007_BUF_PAGES != vma->vm_pgoff) {
- mutex_unlock(&gofh->lock);
- return -EINVAL; /* offset is not aligned on buffer boundary */
- }
- if (gofh->bufs[index].mapped > 0) {
- mutex_unlock(&gofh->lock);
- return -EBUSY;
- }
- gofh->bufs[index].mapped = 1;
- gofh->bufs[index].user_addr = vma->vm_start;
- vma->vm_ops = &go7007_vm_ops;
- vma->vm_flags |= VM_DONTEXPAND;
- vma->vm_flags &= ~VM_IO;
- vma->vm_private_data = &gofh->bufs[index];
- mutex_unlock(&gofh->lock);
- return 0;
-}
-
-static unsigned int go7007_poll(struct file *file, poll_table *wait)
-{
- struct go7007_file *gofh = file->private_data;
- struct go7007_buffer *gobuf;
-
- if (list_empty(&gofh->go->stream))
- return POLLERR;
- gobuf = list_entry(gofh->go->stream.next, struct go7007_buffer, stream);
- poll_wait(file, &gofh->go->frame_waitq, wait);
- if (gobuf->state == BUF_STATE_DONE)
- return POLLIN | POLLRDNORM;
- return 0;
-}
-
-static void go7007_vfl_release(struct video_device *vfd)
-{
- struct go7007 *go = video_get_drvdata(vfd);
-
- video_device_release(vfd);
- if (--go->ref_count == 0)
- kfree(go);
-}
-
-static struct v4l2_file_operations go7007_fops = {
- .owner = THIS_MODULE,
- .open = go7007_open,
- .release = go7007_release,
- .ioctl = video_ioctl2,
- .read = go7007_read,
- .mmap = go7007_mmap,
- .poll = go7007_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 = vidioc_reqbufs,
- .vidioc_querybuf = vidioc_querybuf,
- .vidioc_qbuf = vidioc_qbuf,
- .vidioc_dqbuf = vidioc_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_queryctrl = vidioc_queryctrl,
- .vidioc_g_ctrl = vidioc_g_ctrl,
- .vidioc_s_ctrl = vidioc_s_ctrl,
- .vidioc_streamon = vidioc_streamon,
- .vidioc_streamoff = vidioc_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_cropcap = vidioc_cropcap,
- .vidioc_g_crop = vidioc_g_crop,
- .vidioc_s_crop = vidioc_s_crop,
- .vidioc_g_jpegcomp = vidioc_g_jpegcomp,
- .vidioc_s_jpegcomp = vidioc_s_jpegcomp,
-};
-
-static struct video_device go7007_template = {
- .name = "go7007",
- .fops = &go7007_fops,
- .release = go7007_vfl_release,
- .ioctl_ops = &video_ioctl_ops,
- .tvnorms = V4L2_STD_ALL,
- .current_norm = V4L2_STD_NTSC,
-};
-
-int go7007_v4l2_init(struct go7007 *go)
-{
- int rv;
-
- go->video_dev = video_device_alloc();
- if (go->video_dev == NULL)
- return -ENOMEM;
- *go->video_dev = go7007_template;
- go->video_dev->parent = go->dev;
- rv = video_register_device(go->video_dev, VFL_TYPE_GRABBER, -1);
- if (rv < 0) {
- video_device_release(go->video_dev);
- go->video_dev = NULL;
- return rv;
- }
- rv = v4l2_device_register(go->dev, &go->v4l2_dev);
- if (rv < 0) {
- video_device_release(go->video_dev);
- go->video_dev = NULL;
- return rv;
- }
- video_set_drvdata(go->video_dev, go);
- ++go->ref_count;
- printk(KERN_INFO "%s: registered device %s [v4l2]\n",
- go->video_dev->name, video_device_node_name(go->video_dev));
-
- return 0;
-}
-
-void go7007_v4l2_remove(struct go7007 *go)
-{
- unsigned long flags;
-
- mutex_lock(&go->hw_lock);
- if (go->streaming) {
- go->streaming = 0;
- go7007_stream_stop(go);
- spin_lock_irqsave(&go->spinlock, flags);
- abort_queued(go);
- spin_unlock_irqrestore(&go->spinlock, flags);
- }
- mutex_unlock(&go->hw_lock);
- if (go->video_dev)
- video_unregister_device(go->video_dev);
- v4l2_device_unregister(&go->v4l2_dev);
-}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 18:36:24 +0000