diff options
Diffstat (limited to 'drivers/media/video/pwc/pwc-v4l.c')
| -rw-r--r-- | drivers/media/video/pwc/pwc-v4l.c | 1033 |
1 files changed, 492 insertions, 541 deletions
diff --git a/drivers/media/video/pwc/pwc-v4l.c b/drivers/media/video/pwc/pwc-v4l.c index 8ca4d22..aa87e46 100644 --- a/drivers/media/video/pwc/pwc-v4l.c +++ b/drivers/media/video/pwc/pwc-v4l.c @@ -341,604 +341,555 @@ static int pwc_vidioc_set_fmt(struct pwc_device *pdev, struct v4l2_format *f) } -long pwc_video_do_ioctl(struct file *file, unsigned int cmd, void *arg) +static int pwc_querycap(struct file *file, void *fh, struct v4l2_capability *cap) { struct video_device *vdev = video_devdata(file); - struct pwc_device *pdev; - DECLARE_WAITQUEUE(wait, current); - - if (vdev == NULL) - return -EFAULT; - pdev = video_get_drvdata(vdev); - if (pdev == NULL) - return -EFAULT; + struct pwc_device *pdev = video_drvdata(file); + + strcpy(cap->driver, PWC_NAME); + strlcpy(cap->card, vdev->name, sizeof(cap->card)); + usb_make_path(pdev->udev, cap->bus_info, sizeof(cap->bus_info)); + cap->version = PWC_VERSION_CODE; + cap->capabilities = + V4L2_CAP_VIDEO_CAPTURE | + V4L2_CAP_STREAMING | + V4L2_CAP_READWRITE; + return 0; +} -#ifdef CONFIG_USB_PWC_DEBUG - if (PWC_DEBUG_LEVEL_IOCTL & pwc_trace) { - v4l_printk_ioctl(cmd); - printk("\n"); - } -#endif - - - switch (cmd) { - /* V4L2 Layer */ - case VIDIOC_QUERYCAP: - { - struct v4l2_capability *cap = arg; - - PWC_DEBUG_IOCTL("ioctl(VIDIOC_QUERYCAP) This application "\ - "try to use the v4l2 layer\n"); - strcpy(cap->driver,PWC_NAME); - strlcpy(cap->card, vdev->name, sizeof(cap->card)); - usb_make_path(pdev->udev,cap->bus_info,sizeof(cap->bus_info)); - cap->version = PWC_VERSION_CODE; - cap->capabilities = - V4L2_CAP_VIDEO_CAPTURE | - V4L2_CAP_STREAMING | - V4L2_CAP_READWRITE; - return 0; - } +static int pwc_enum_input(struct file *file, void *fh, struct v4l2_input *i) +{ + if (i->index) /* Only one INPUT is supported */ + return -EINVAL; - case VIDIOC_ENUMINPUT: - { - struct v4l2_input *i = arg; + strcpy(i->name, "usb"); + return 0; +} - if ( i->index ) /* Only one INPUT is supported */ - return -EINVAL; +static int pwc_g_input(struct file *file, void *fh, unsigned int *i) +{ + *i = 0; + return 0; +} - memset(i, 0, sizeof(struct v4l2_input)); - strcpy(i->name, "usb"); - return 0; - } +static int pwc_s_input(struct file *file, void *fh, unsigned int i) +{ + return i ? -EINVAL : 0; +} - case VIDIOC_G_INPUT: - { - int *i = arg; - *i = 0; /* Only one INPUT is supported */ - return 0; - } - case VIDIOC_S_INPUT: - { - int *i = arg; +static int pwc_queryctrl(struct file *file, void *fh, struct v4l2_queryctrl *c) +{ + int i; - if ( *i ) { /* Only one INPUT is supported */ - PWC_DEBUG_IOCTL("Only one input source is"\ - " supported with this webcam.\n"); - return -EINVAL; - } + for (i = 0; i < sizeof(pwc_controls) / sizeof(struct v4l2_queryctrl); i++) { + if (pwc_controls[i].id == c->id) { + PWC_DEBUG_IOCTL("ioctl(VIDIOC_QUERYCTRL) found\n"); + memcpy(c, &pwc_controls[i], sizeof(struct v4l2_queryctrl)); return 0; } + } + return -EINVAL; +} - /* TODO: */ - case VIDIOC_QUERYCTRL: - { - struct v4l2_queryctrl *c = arg; - int i; - - PWC_DEBUG_IOCTL("ioctl(VIDIOC_QUERYCTRL) query id=%d\n", c->id); - for (i=0; i<sizeof(pwc_controls)/sizeof(struct v4l2_queryctrl); i++) { - if (pwc_controls[i].id == c->id) { - PWC_DEBUG_IOCTL("ioctl(VIDIOC_QUERYCTRL) found\n"); - memcpy(c,&pwc_controls[i],sizeof(struct v4l2_queryctrl)); - return 0; - } - } - PWC_DEBUG_IOCTL("ioctl(VIDIOC_QUERYCTRL) not found\n"); +static int pwc_g_ctrl(struct file *file, void *fh, struct v4l2_control *c) +{ + struct pwc_device *pdev = video_drvdata(file); + int ret; + switch (c->id) { + case V4L2_CID_BRIGHTNESS: + c->value = pwc_get_brightness(pdev); + if (c->value < 0) return -EINVAL; - } - case VIDIOC_G_CTRL: - { - struct v4l2_control *c = arg; - int ret; - - switch (c->id) - { - case V4L2_CID_BRIGHTNESS: - c->value = pwc_get_brightness(pdev); - if (c->value<0) - return -EINVAL; - return 0; - case V4L2_CID_CONTRAST: - c->value = pwc_get_contrast(pdev); - if (c->value<0) - return -EINVAL; - return 0; - case V4L2_CID_SATURATION: - ret = pwc_get_saturation(pdev, &c->value); - if (ret<0) - return -EINVAL; - return 0; - case V4L2_CID_GAMMA: - c->value = pwc_get_gamma(pdev); - if (c->value<0) - return -EINVAL; - return 0; - case V4L2_CID_RED_BALANCE: - ret = pwc_get_red_gain(pdev, &c->value); - if (ret<0) - return -EINVAL; - c->value >>= 8; - return 0; - case V4L2_CID_BLUE_BALANCE: - ret = pwc_get_blue_gain(pdev, &c->value); - if (ret<0) - return -EINVAL; - c->value >>= 8; - return 0; - case V4L2_CID_AUTO_WHITE_BALANCE: - ret = pwc_get_awb(pdev); - if (ret<0) - return -EINVAL; - c->value = (ret == PWC_WB_MANUAL)?0:1; - return 0; - case V4L2_CID_GAIN: - ret = pwc_get_agc(pdev, &c->value); - if (ret<0) - return -EINVAL; - c->value >>= 8; - return 0; - case V4L2_CID_AUTOGAIN: - ret = pwc_get_agc(pdev, &c->value); - if (ret<0) - return -EINVAL; - c->value = (c->value < 0)?1:0; - return 0; - case V4L2_CID_EXPOSURE: - ret = pwc_get_shutter_speed(pdev, &c->value); - if (ret<0) - return -EINVAL; - return 0; - case V4L2_CID_PRIVATE_COLOUR_MODE: - ret = pwc_get_colour_mode(pdev, &c->value); - if (ret < 0) - return -EINVAL; - return 0; - case V4L2_CID_PRIVATE_AUTOCONTOUR: - ret = pwc_get_contour(pdev, &c->value); - if (ret < 0) - return -EINVAL; - c->value=(c->value == -1?1:0); - return 0; - case V4L2_CID_PRIVATE_CONTOUR: - ret = pwc_get_contour(pdev, &c->value); - if (ret < 0) - return -EINVAL; - c->value >>= 10; - return 0; - case V4L2_CID_PRIVATE_BACKLIGHT: - ret = pwc_get_backlight(pdev, &c->value); - if (ret < 0) - return -EINVAL; - return 0; - case V4L2_CID_PRIVATE_FLICKERLESS: - ret = pwc_get_flicker(pdev, &c->value); - if (ret < 0) - return -EINVAL; - c->value=(c->value?1:0); - return 0; - case V4L2_CID_PRIVATE_NOISE_REDUCTION: - ret = pwc_get_dynamic_noise(pdev, &c->value); - if (ret < 0) - return -EINVAL; - return 0; - - case V4L2_CID_PRIVATE_SAVE_USER: - case V4L2_CID_PRIVATE_RESTORE_USER: - case V4L2_CID_PRIVATE_RESTORE_FACTORY: - return -EINVAL; - } + return 0; + case V4L2_CID_CONTRAST: + c->value = pwc_get_contrast(pdev); + if (c->value < 0) return -EINVAL; - } - case VIDIOC_S_CTRL: - { - struct v4l2_control *c = arg; - int ret; - - switch (c->id) - { - case V4L2_CID_BRIGHTNESS: - c->value <<= 9; - ret = pwc_set_brightness(pdev, c->value); - if (ret<0) - return -EINVAL; - return 0; - case V4L2_CID_CONTRAST: - c->value <<= 10; - ret = pwc_set_contrast(pdev, c->value); - if (ret<0) - return -EINVAL; - return 0; - case V4L2_CID_SATURATION: - ret = pwc_set_saturation(pdev, c->value); - if (ret<0) - return -EINVAL; - return 0; - case V4L2_CID_GAMMA: - c->value <<= 11; - ret = pwc_set_gamma(pdev, c->value); - if (ret<0) - return -EINVAL; - return 0; - case V4L2_CID_RED_BALANCE: - c->value <<= 8; - ret = pwc_set_red_gain(pdev, c->value); - if (ret<0) - return -EINVAL; - return 0; - case V4L2_CID_BLUE_BALANCE: - c->value <<= 8; - ret = pwc_set_blue_gain(pdev, c->value); - if (ret<0) - return -EINVAL; - return 0; - case V4L2_CID_AUTO_WHITE_BALANCE: - c->value = (c->value == 0)?PWC_WB_MANUAL:PWC_WB_AUTO; - ret = pwc_set_awb(pdev, c->value); - if (ret<0) - return -EINVAL; - return 0; - case V4L2_CID_EXPOSURE: - c->value <<= 8; - ret = pwc_set_shutter_speed(pdev, c->value?0:1, c->value); - if (ret<0) - return -EINVAL; - return 0; - case V4L2_CID_AUTOGAIN: - /* autogain off means nothing without a gain */ - if (c->value == 0) - return 0; - ret = pwc_set_agc(pdev, c->value, 0); - if (ret<0) - return -EINVAL; - return 0; - case V4L2_CID_GAIN: - c->value <<= 8; - ret = pwc_set_agc(pdev, 0, c->value); - if (ret<0) - return -EINVAL; - return 0; - case V4L2_CID_PRIVATE_SAVE_USER: - if (pwc_save_user(pdev)) - return -EINVAL; - return 0; - case V4L2_CID_PRIVATE_RESTORE_USER: - if (pwc_restore_user(pdev)) - return -EINVAL; - return 0; - case V4L2_CID_PRIVATE_RESTORE_FACTORY: - if (pwc_restore_factory(pdev)) - return -EINVAL; - return 0; - case V4L2_CID_PRIVATE_COLOUR_MODE: - ret = pwc_set_colour_mode(pdev, c->value); - if (ret < 0) - return -EINVAL; - return 0; - case V4L2_CID_PRIVATE_AUTOCONTOUR: - c->value=(c->value == 1)?-1:0; - ret = pwc_set_contour(pdev, c->value); - if (ret < 0) - return -EINVAL; - return 0; - case V4L2_CID_PRIVATE_CONTOUR: - c->value <<= 10; - ret = pwc_set_contour(pdev, c->value); - if (ret < 0) - return -EINVAL; - return 0; - case V4L2_CID_PRIVATE_BACKLIGHT: - ret = pwc_set_backlight(pdev, c->value); - if (ret < 0) - return -EINVAL; - return 0; - case V4L2_CID_PRIVATE_FLICKERLESS: - ret = pwc_set_flicker(pdev, c->value); - if (ret < 0) - return -EINVAL; - case V4L2_CID_PRIVATE_NOISE_REDUCTION: - ret = pwc_set_dynamic_noise(pdev, c->value); - if (ret < 0) - return -EINVAL; - return 0; - - } + return 0; + case V4L2_CID_SATURATION: + ret = pwc_get_saturation(pdev, &c->value); + if (ret < 0) return -EINVAL; - } + return 0; + case V4L2_CID_GAMMA: + c->value = pwc_get_gamma(pdev); + if (c->value < 0) + return -EINVAL; + return 0; + case V4L2_CID_RED_BALANCE: + ret = pwc_get_red_gain(pdev, &c->value); + if (ret < 0) + return -EINVAL; + c->value >>= 8; + return 0; + case V4L2_CID_BLUE_BALANCE: + ret = pwc_get_blue_gain(pdev, &c->value); + if (ret < 0) + return -EINVAL; + c->value >>= 8; + return 0; + case V4L2_CID_AUTO_WHITE_BALANCE: + ret = pwc_get_awb(pdev); + if (ret < 0) + return -EINVAL; + c->value = (ret == PWC_WB_MANUAL) ? 0 : 1; + return 0; + case V4L2_CID_GAIN: + ret = pwc_get_agc(pdev, &c->value); + if (ret < 0) + return -EINVAL; + c->value >>= 8; + return 0; + case V4L2_CID_AUTOGAIN: + ret = pwc_get_agc(pdev, &c->value); + if (ret < 0) + return -EINVAL; + c->value = (c->value < 0) ? 1 : 0; + return 0; + case V4L2_CID_EXPOSURE: + ret = pwc_get_shutter_speed(pdev, &c->value); + if (ret < 0) + return -EINVAL; + return 0; + case V4L2_CID_PRIVATE_COLOUR_MODE: + ret = pwc_get_colour_mode(pdev, &c->value); + if (ret < 0) + return -EINVAL; + return 0; + case V4L2_CID_PRIVATE_AUTOCONTOUR: + ret = pwc_get_contour(pdev, &c->value); + if (ret < 0) + return -EINVAL; + c->value = (c->value == -1 ? 1 : 0); + return 0; + case V4L2_CID_PRIVATE_CONTOUR: + ret = pwc_get_contour(pdev, &c->value); + if (ret < 0) + return -EINVAL; + c->value >>= 10; + return 0; + case V4L2_CID_PRIVATE_BACKLIGHT: + ret = pwc_get_backlight(pdev, &c->value); + if (ret < 0) + return -EINVAL; + return 0; + case V4L2_CID_PRIVATE_FLICKERLESS: + ret = pwc_get_flicker(pdev, &c->value); + if (ret < 0) + return -EINVAL; + c->value = (c->value ? 1 : 0); + return 0; + case V4L2_CID_PRIVATE_NOISE_REDUCTION: + ret = pwc_get_dynamic_noise(pdev, &c->value); + if (ret < 0) + return -EINVAL; + return 0; - case VIDIOC_ENUM_FMT: - { - struct v4l2_fmtdesc *f = arg; - int index; - - if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - - /* We only support two format: the raw format, and YUV */ - index = f->index; - memset(f,0,sizeof(struct v4l2_fmtdesc)); - f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - f->index = index; - switch(index) - { - case 0: - /* RAW format */ - f->pixelformat = pdev->type<=646?V4L2_PIX_FMT_PWC1:V4L2_PIX_FMT_PWC2; - f->flags = V4L2_FMT_FLAG_COMPRESSED; - strlcpy(f->description,"Raw Philips Webcam",sizeof(f->description)); - break; - case 1: - f->pixelformat = V4L2_PIX_FMT_YUV420; - strlcpy(f->description,"4:2:0, planar, Y-Cb-Cr",sizeof(f->description)); - break; - default: - return -EINVAL; - } - return 0; - } + case V4L2_CID_PRIVATE_SAVE_USER: + case V4L2_CID_PRIVATE_RESTORE_USER: + case V4L2_CID_PRIVATE_RESTORE_FACTORY: + return -EINVAL; + } + return -EINVAL; +} - case VIDIOC_G_FMT: - { - struct v4l2_format *f = arg; +static int pwc_s_ctrl(struct file *file, void *fh, struct v4l2_control *c) +{ + struct pwc_device *pdev = video_drvdata(file); + int ret; + + switch (c->id) { + case V4L2_CID_BRIGHTNESS: + c->value <<= 9; + ret = pwc_set_brightness(pdev, c->value); + if (ret < 0) + return -EINVAL; + return 0; + case V4L2_CID_CONTRAST: + c->value <<= 10; + ret = pwc_set_contrast(pdev, c->value); + if (ret < 0) + return -EINVAL; + return 0; + case V4L2_CID_SATURATION: + ret = pwc_set_saturation(pdev, c->value); + if (ret < 0) + return -EINVAL; + return 0; + case V4L2_CID_GAMMA: + c->value <<= 11; + ret = pwc_set_gamma(pdev, c->value); + if (ret < 0) + return -EINVAL; + return 0; + case V4L2_CID_RED_BALANCE: + c->value <<= 8; + ret = pwc_set_red_gain(pdev, c->value); + if (ret < 0) + return -EINVAL; + return 0; + case V4L2_CID_BLUE_BALANCE: + c->value <<= 8; + ret = pwc_set_blue_gain(pdev, c->value); + if (ret < 0) + return -EINVAL; + return 0; + case V4L2_CID_AUTO_WHITE_BALANCE: + c->value = (c->value == 0) ? PWC_WB_MANUAL : PWC_WB_AUTO; + ret = pwc_set_awb(pdev, c->value); + if (ret < 0) + return -EINVAL; + return 0; + case V4L2_CID_EXPOSURE: + c->value <<= 8; + ret = pwc_set_shutter_speed(pdev, c->value ? 0 : 1, c->value); + if (ret < 0) + return -EINVAL; + return 0; + case V4L2_CID_AUTOGAIN: + /* autogain off means nothing without a gain */ + if (c->value == 0) + return 0; + ret = pwc_set_agc(pdev, c->value, 0); + if (ret < 0) + return -EINVAL; + return 0; + case V4L2_CID_GAIN: + c->value <<= 8; + ret = pwc_set_agc(pdev, 0, c->value); + if (ret < 0) + return -EINVAL; + return 0; + case V4L2_CID_PRIVATE_SAVE_USER: + if (pwc_save_user(pdev)) + return -EINVAL; + return 0; + case V4L2_CID_PRIVATE_RESTORE_USER: + if (pwc_restore_user(pdev)) + return -EINVAL; + return 0; + case V4L2_CID_PRIVATE_RESTORE_FACTORY: + if (pwc_restore_factory(pdev)) + return -EINVAL; + return 0; + case V4L2_CID_PRIVATE_COLOUR_MODE: + ret = pwc_set_colour_mode(pdev, c->value); + if (ret < 0) + return -EINVAL; + return 0; + case V4L2_CID_PRIVATE_AUTOCONTOUR: + c->value = (c->value == 1) ? -1 : 0; + ret = pwc_set_contour(pdev, c->value); + if (ret < 0) + return -EINVAL; + return 0; + case V4L2_CID_PRIVATE_CONTOUR: + c->value <<= 10; + ret = pwc_set_contour(pdev, c->value); + if (ret < 0) + return -EINVAL; + return 0; + case V4L2_CID_PRIVATE_BACKLIGHT: + ret = pwc_set_backlight(pdev, c->value); + if (ret < 0) + return -EINVAL; + return 0; + case V4L2_CID_PRIVATE_FLICKERLESS: + ret = pwc_set_flicker(pdev, c->value); + if (ret < 0) + return -EINVAL; + case V4L2_CID_PRIVATE_NOISE_REDUCTION: + ret = pwc_set_dynamic_noise(pdev, c->value); + if (ret < 0) + return -EINVAL; + return 0; - PWC_DEBUG_IOCTL("ioctl(VIDIOC_G_FMT) return size %dx%d\n",pdev->image.x,pdev->image.y); - if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; + } + return -EINVAL; +} - pwc_vidioc_fill_fmt(pdev, f); +static int pwc_enum_fmt_vid_cap(struct file *file, void *fh, struct v4l2_fmtdesc *f) +{ + struct pwc_device *pdev = video_drvdata(file); + + /* We only support two format: the raw format, and YUV */ + switch (f->index) { + case 0: + /* RAW format */ + f->pixelformat = pdev->type <= 646 ? V4L2_PIX_FMT_PWC1 : V4L2_PIX_FMT_PWC2; + f->flags = V4L2_FMT_FLAG_COMPRESSED; + strlcpy(f->description, "Raw Philips Webcam", sizeof(f->description)); + break; + case 1: + f->pixelformat = V4L2_PIX_FMT_YUV420; + strlcpy(f->description, "4:2:0, planar, Y-Cb-Cr", sizeof(f->description)); + break; + default: + return -EINVAL; + } + return 0; +} - return 0; - } +static int pwc_g_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *f) +{ + struct pwc_device *pdev = video_drvdata(file); - case VIDIOC_TRY_FMT: - return pwc_vidioc_try_fmt(pdev, arg); + PWC_DEBUG_IOCTL("ioctl(VIDIOC_G_FMT) return size %dx%d\n", + pdev->image.x, pdev->image.y); + pwc_vidioc_fill_fmt(pdev, f); + return 0; +} - case VIDIOC_S_FMT: - return pwc_vidioc_set_fmt(pdev, arg); +static int pwc_try_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *f) +{ + struct pwc_device *pdev = video_drvdata(file); - case VIDIOC_G_STD: - { - v4l2_std_id *std = arg; - *std = V4L2_STD_UNKNOWN; - return 0; - } + return pwc_vidioc_try_fmt(pdev, f); +} - case VIDIOC_S_STD: - { - v4l2_std_id *std = arg; - if (*std != V4L2_STD_UNKNOWN) - return -EINVAL; - return 0; - } +static int pwc_s_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *f) +{ + struct pwc_device *pdev = video_drvdata(file); - case VIDIOC_ENUMSTD: - { - struct v4l2_standard *std = arg; - if (std->index != 0) - return -EINVAL; - std->id = V4L2_STD_UNKNOWN; - strlcpy(std->name, "webcam", sizeof(std->name)); - return 0; - } + return pwc_vidioc_set_fmt(pdev, f); +} - case VIDIOC_REQBUFS: - { - struct v4l2_requestbuffers *rb = arg; - int nbuffers; +static int pwc_reqbufs(struct file *file, void *fh, struct v4l2_requestbuffers *rb) +{ + int nbuffers; - PWC_DEBUG_IOCTL("ioctl(VIDIOC_REQBUFS) count=%d\n",rb->count); - if (rb->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - if (rb->memory != V4L2_MEMORY_MMAP) - return -EINVAL; + PWC_DEBUG_IOCTL("ioctl(VIDIOC_REQBUFS) count=%d\n", rb->count); + if (rb->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + if (rb->memory != V4L2_MEMORY_MMAP) + return -EINVAL; - nbuffers = rb->count; - if (nbuffers < 2) - nbuffers = 2; - else if (nbuffers > pwc_mbufs) - nbuffers = pwc_mbufs; - /* Force to use our # of buffers */ - rb->count = pwc_mbufs; - return 0; - } + nbuffers = rb->count; + if (nbuffers < 2) + nbuffers = 2; + else if (nbuffers > pwc_mbufs) + nbuffers = pwc_mbufs; + /* Force to use our # of buffers */ + rb->count = pwc_mbufs; + return 0; +} - case VIDIOC_QUERYBUF: - { - struct v4l2_buffer *buf = arg; - int index; +static int pwc_querybuf(struct file *file, void *fh, struct v4l2_buffer *buf) +{ + struct pwc_device *pdev = video_drvdata(file); + int index; - PWC_DEBUG_IOCTL("ioctl(VIDIOC_QUERYBUF) index=%d\n",buf->index); - if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { - PWC_DEBUG_IOCTL("ioctl(VIDIOC_QUERYBUF) Bad type\n"); - return -EINVAL; - } - if (buf->memory != V4L2_MEMORY_MMAP) { - PWC_DEBUG_IOCTL("ioctl(VIDIOC_QUERYBUF) Bad memory type\n"); - return -EINVAL; - } - index = buf->index; - if (index < 0 || index >= pwc_mbufs) { - PWC_DEBUG_IOCTL("ioctl(VIDIOC_QUERYBUF) Bad index %d\n", buf->index); - return -EINVAL; - } + PWC_DEBUG_IOCTL("ioctl(VIDIOC_QUERYBUF) index=%d\n", buf->index); + if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { + PWC_DEBUG_IOCTL("ioctl(VIDIOC_QUERYBUF) Bad type\n"); + return -EINVAL; + } + index = buf->index; + if (index < 0 || index >= pwc_mbufs) { + PWC_DEBUG_IOCTL("ioctl(VIDIOC_QUERYBUF) Bad index %d\n", buf->index); + return -EINVAL; + } - memset(buf, 0, sizeof(struct v4l2_buffer)); - buf->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - buf->index = index; - buf->m.offset = index * pdev->len_per_image; - if (pdev->pixfmt != V4L2_PIX_FMT_YUV420) - buf->bytesused = pdev->frame_size + sizeof(struct pwc_raw_frame); - else - buf->bytesused = pdev->view.size; - buf->field = V4L2_FIELD_NONE; - buf->memory = V4L2_MEMORY_MMAP; - //buf->flags = V4L2_BUF_FLAG_MAPPED; - buf->length = pdev->len_per_image; - - PWC_DEBUG_READ("VIDIOC_QUERYBUF: index=%d\n",buf->index); - PWC_DEBUG_READ("VIDIOC_QUERYBUF: m.offset=%d\n",buf->m.offset); - PWC_DEBUG_READ("VIDIOC_QUERYBUF: bytesused=%d\n",buf->bytesused); + buf->m.offset = index * pdev->len_per_image; + if (pdev->pixfmt != V4L2_PIX_FMT_YUV420) + buf->bytesused = pdev->frame_size + sizeof(struct pwc_raw_frame); + else + buf->bytesused = pdev->view.size; + buf->field = V4L2_FIELD_NONE; + buf->memory = V4L2_MEMORY_MMAP; + /*buf->flags = V4L2_BUF_FLAG_MAPPED;*/ + buf->length = pdev->len_per_image; - return 0; - } + PWC_DEBUG_READ("VIDIOC_QUERYBUF: index=%d\n", buf->index); + PWC_DEBUG_READ("VIDIOC_QUERYBUF: m.offset=%d\n", buf->m.offset); + PWC_DEBUG_READ("VIDIOC_QUERYBUF: bytesused=%d\n", buf->bytesused); - case VIDIOC_QBUF: - { - struct v4l2_buffer *buf = arg; + return 0; +} - PWC_DEBUG_IOCTL("ioctl(VIDIOC_QBUF) index=%d\n",buf->index); - if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - if (buf->memory != V4L2_MEMORY_MMAP) - return -EINVAL; - if (buf->index >= pwc_mbufs) - return -EINVAL; +static int pwc_qbuf(struct file *file, void *fh, struct v4l2_buffer *buf) +{ + PWC_DEBUG_IOCTL("ioctl(VIDIOC_QBUF) index=%d\n", buf->index); + if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + if (buf->memory != V4L2_MEMORY_MMAP) + return -EINVAL; + if (buf->index >= pwc_mbufs) + return -EINVAL; - buf->flags |= V4L2_BUF_FLAG_QUEUED; - buf->flags &= ~V4L2_BUF_FLAG_DONE; + buf->flags |= V4L2_BUF_FLAG_QUEUED; + buf->flags &= ~V4L2_BUF_FLAG_DONE; - return 0; - } + return 0; +} - case VIDIOC_DQBUF: - { - struct v4l2_buffer *buf = arg; - int ret; +static int pwc_dqbuf(struct file *file, void *fh, struct v4l2_buffer *buf) +{ + DECLARE_WAITQUEUE(wait, current); + struct pwc_device *pdev = video_drvdata(file); + int ret; - PWC_DEBUG_IOCTL("ioctl(VIDIOC_DQBUF)\n"); + PWC_DEBUG_IOCTL("ioctl(VIDIOC_DQBUF)\n"); - if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; + if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; - /* Add ourselves to the frame wait-queue. - - FIXME: needs auditing for safety. - QUESTION: In what respect? I think that using the - frameq is safe now. - */ - add_wait_queue(&pdev->frameq, &wait); - while (pdev->full_frames == NULL) { - if (pdev->error_status) { - remove_wait_queue(&pdev->frameq, &wait); - set_current_state(TASK_RUNNING); - return -pdev->error_status; - } + add_wait_queue(&pdev->frameq, &wait); + while (pdev->full_frames == NULL) { + if (pdev->error_status) { + remove_wait_queue(&pdev->frameq, &wait); + set_current_state(TASK_RUNNING); + return -pdev->error_status; + } - if (signal_pending(current)) { - remove_wait_queue(&pdev->frameq, &wait); - set_current_state(TASK_RUNNING); - return -ERESTARTSYS; - } - schedule(); - set_current_state(TASK_INTERRUPTIBLE); - } + if (signal_pending(current)) { remove_wait_queue(&pdev->frameq, &wait); set_current_state(TASK_RUNNING); + return -ERESTARTSYS; + } + mutex_unlock(&pdev->modlock); + schedule(); + set_current_state(TASK_INTERRUPTIBLE); + mutex_lock(&pdev->modlock); + } + remove_wait_queue(&pdev->frameq, &wait); + set_current_state(TASK_RUNNING); - PWC_DEBUG_IOCTL("VIDIOC_DQBUF: frame ready.\n"); - /* Decompress data in pdev->images[pdev->fill_image] */ - ret = pwc_handle_frame(pdev); - if (ret) - return -EFAULT; - PWC_DEBUG_IOCTL("VIDIOC_DQBUF: after pwc_handle_frame\n"); - - buf->index = pdev->fill_image; - if (pdev->pixfmt != V4L2_PIX_FMT_YUV420) - buf->bytesused = pdev->frame_size + sizeof(struct pwc_raw_frame); - else - buf->bytesused = pdev->view.size; - buf->flags = V4L2_BUF_FLAG_MAPPED; - buf->field = V4L2_FIELD_NONE; - do_gettimeofday(&buf->timestamp); - buf->sequence = 0; - buf->memory = V4L2_MEMORY_MMAP; - buf->m.offset = pdev->fill_image * pdev->len_per_image; - buf->length = pdev->len_per_image; - pwc_next_image(pdev); - - PWC_DEBUG_IOCTL("VIDIOC_DQBUF: buf->index=%d\n",buf->index); - PWC_DEBUG_IOCTL("VIDIOC_DQBUF: buf->length=%d\n",buf->length); - PWC_DEBUG_IOCTL("VIDIOC_DQBUF: m.offset=%d\n",buf->m.offset); - PWC_DEBUG_IOCTL("VIDIOC_DQBUF: bytesused=%d\n",buf->bytesused); - PWC_DEBUG_IOCTL("VIDIOC_DQBUF: leaving\n"); - return 0; + PWC_DEBUG_IOCTL("VIDIOC_DQBUF: frame ready.\n"); + /* Decompress data in pdev->images[pdev->fill_image] */ + ret = pwc_handle_frame(pdev); + if (ret) + return -EFAULT; + PWC_DEBUG_IOCTL("VIDIOC_DQBUF: after pwc_handle_frame\n"); + + buf->index = pdev->fill_image; + if (pdev->pixfmt != V4L2_PIX_FMT_YUV420) + buf->bytesused = pdev->frame_size + sizeof(struct pwc_raw_frame); + else + buf->bytesused = pdev->view.size; + buf->flags = V4L2_BUF_FLAG_MAPPED; + buf->field = V4L2_FIELD_NONE; + do_gettimeofday(&buf->timestamp); + buf->sequence = 0; + buf->memory = V4L2_MEMORY_MMAP; + buf->m.offset = pdev->fill_image * pdev->len_per_image; + buf->length = pdev->len_per_image; + pwc_next_image(pdev); + + PWC_DEBUG_IOCTL("VIDIOC_DQBUF: buf->index=%d\n", buf->index); + PWC_DEBUG_IOCTL("VIDIOC_DQBUF: buf->length=%d\n", buf->length); + PWC_DEBUG_IOCTL("VIDIOC_DQBUF: m.offset=%d\n", buf->m.offset); + PWC_DEBUG_IOCTL("VIDIOC_DQBUF: bytesused=%d\n", buf->bytesused); + PWC_DEBUG_IOCTL("VIDIOC_DQBUF: leaving\n"); + return 0; - } +} - case VIDIOC_STREAMON: - { - return pwc_isoc_init(pdev); - } +static int pwc_streamon(struct file *file, void *fh, enum v4l2_buf_type i) +{ + struct pwc_device *pdev = video_drvdata(file); - case VIDIOC_STREAMOFF: - { - pwc_isoc_cleanup(pdev); - return 0; - } + return pwc_isoc_init(pdev); +} - case VIDIOC_ENUM_FRAMESIZES: - { - struct v4l2_frmsizeenum *fsize = arg; - unsigned int i = 0, index = fsize->index; - - if (fsize->pixel_format == V4L2_PIX_FMT_YUV420) { - for (i = 0; i < PSZ_MAX; i++) { - if (pdev->image_mask & (1UL << i)) { - if (!index--) { - fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; - fsize->discrete.width = pwc_image_sizes[i].x; - fsize->discrete.height = pwc_image_sizes[i].y; - return 0; - } - } - } - } else if (fsize->index == 0 && - ((fsize->pixel_format == V4L2_PIX_FMT_PWC1 && DEVICE_USE_CODEC1(pdev->type)) || - (fsize->pixel_format == V4L2_PIX_FMT_PWC2 && DEVICE_USE_CODEC23(pdev->type)))) { - - fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; - fsize->discrete.width = pdev->abs_max.x; - fsize->discrete.height = pdev->abs_max.y; - return 0; - } - return -EINVAL; - } +static int pwc_streamoff(struct file *file, void *fh, enum v4l2_buf_type i) +{ + struct pwc_device *pdev = video_drvdata(file); - case VIDIOC_ENUM_FRAMEINTERVALS: - { - struct v4l2_frmivalenum *fival = arg; - int size = -1; - unsigned int i; - - for (i = 0; i < PSZ_MAX; i++) { - if (pwc_image_sizes[i].x == fival->width && - pwc_image_sizes[i].y == fival->height) { - size = i; - break; + pwc_isoc_cleanup(pdev); + return 0; +} + +static int pwc_enum_framesizes(struct file *file, void *fh, + struct v4l2_frmsizeenum *fsize) +{ + struct pwc_device *pdev = video_drvdata(file); + unsigned int i = 0, index = fsize->index; + + if (fsize->pixel_format == V4L2_PIX_FMT_YUV420) { + for (i = 0; i < PSZ_MAX; i++) { + if (pdev->image_mask & (1UL << i)) { + if (!index--) { + fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; + fsize->discrete.width = pwc_image_sizes[i].x; + fsize->discrete.height = pwc_image_sizes[i].y; + return 0; } } + } + } else if (fsize->index == 0 && + ((fsize->pixel_format == V4L2_PIX_FMT_PWC1 && DEVICE_USE_CODEC1(pdev->type)) || + (fsize->pixel_format == V4L2_PIX_FMT_PWC2 && DEVICE_USE_CODEC23(pdev->type)))) { + + fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; + fsize->discrete.width = pdev->abs_max.x; + fsize->discrete.height = pdev->abs_max.y; + return 0; + } + return -EINVAL; +} - /* TODO: Support raw format */ - if (size < 0 || fival->pixel_format != V4L2_PIX_FMT_YUV420) { - return -EINVAL; - } +static int pwc_enum_frameintervals(struct file *file, void *fh, + struct v4l2_frmivalenum *fival) +{ + struct pwc_device *pdev = video_drvdata(file); + int size = -1; + unsigned int i; + + for (i = 0; i < PSZ_MAX; i++) { + if (pwc_image_sizes[i].x == fival->width && + pwc_image_sizes[i].y == fival->height) { + size = i; + break; + } + } - i = pwc_get_fps(pdev, fival->index, size); - if (!i) - return -EINVAL; + /* TODO: Support raw format */ + if (size < 0 || fival->pixel_format != V4L2_PIX_FMT_YUV420) + return -EINVAL; - fival->type = V4L2_FRMIVAL_TYPE_DISCRETE; - fival->discrete.numerator = 1; - fival->discrete.denominator = i; + i = pwc_get_fps(pdev, fival->index, size); + if (!i) + return -EINVAL; - return 0; - } + fival->type = V4L2_FRMIVAL_TYPE_DISCRETE; + fival->discrete.numerator = 1; + fival->discrete.denominator = i; - default: - return pwc_ioctl(pdev, cmd, arg); - } /* ..switch */ return 0; } +static long pwc_default(struct file *file, void *fh, bool valid_prio, + int cmd, void *arg) +{ + struct pwc_device *pdev = video_drvdata(file); + + return pwc_ioctl(pdev, cmd, arg); +} + +const struct v4l2_ioctl_ops pwc_ioctl_ops = { + .vidioc_querycap = pwc_querycap, + .vidioc_enum_input = pwc_enum_input, + .vidioc_g_input = pwc_g_input, + .vidioc_s_input = pwc_s_input, + .vidioc_enum_fmt_vid_cap = pwc_enum_fmt_vid_cap, + .vidioc_g_fmt_vid_cap = pwc_g_fmt_vid_cap, + .vidioc_s_fmt_vid_cap = pwc_s_fmt_vid_cap, + .vidioc_try_fmt_vid_cap = pwc_try_fmt_vid_cap, + .vidioc_queryctrl = pwc_queryctrl, + .vidioc_g_ctrl = pwc_g_ctrl, + .vidioc_s_ctrl = pwc_s_ctrl, + .vidioc_reqbufs = pwc_reqbufs, + .vidioc_querybuf = pwc_querybuf, + .vidioc_qbuf = pwc_qbuf, + .vidioc_dqbuf = pwc_dqbuf, + .vidioc_streamon = pwc_streamon, + .vidioc_streamoff = pwc_streamoff, + .vidioc_enum_framesizes = pwc_enum_framesizes, + .vidioc_enum_frameintervals = pwc_enum_frameintervals, + .vidioc_default = pwc_default, +}; + + /* vim: set cino= formatoptions=croql cindent shiftwidth=8 tabstop=8: */ |
