[media] cx23885: fmt, width and height are global, not per-fh
authorHans Verkuil <hans.verkuil@cisco.com>
Wed, 23 Apr 2014 10:52:07 +0000 (07:52 -0300)
committerMauro Carvalho Chehab <m.chehab@samsung.com>
Wed, 3 Sep 2014 10:55:24 +0000 (07:55 -0300)
Move these fields from cx23885_fh to cx23885_dev.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
drivers/media/pci/cx23885/cx23885-video.c
drivers/media/pci/cx23885/cx23885.h

index a68ab59..3dcee0a 100644 (file)
@@ -77,77 +77,14 @@ MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes");
 /* static data                                                         */
 
 #define FORMAT_FLAGS_PACKED       0x01
-#if 0
 static struct cx23885_fmt formats[] = {
        {
-               .name     = "8 bpp, gray",
-               .fourcc   = V4L2_PIX_FMT_GREY,
-               .depth    = 8,
-               .flags    = FORMAT_FLAGS_PACKED,
-       }, {
-               .name     = "15 bpp RGB, le",
-               .fourcc   = V4L2_PIX_FMT_RGB555,
-               .depth    = 16,
-               .flags    = FORMAT_FLAGS_PACKED,
-       }, {
-               .name     = "15 bpp RGB, be",
-               .fourcc   = V4L2_PIX_FMT_RGB555X,
-               .depth    = 16,
-               .flags    = FORMAT_FLAGS_PACKED,
-       }, {
-               .name     = "16 bpp RGB, le",
-               .fourcc   = V4L2_PIX_FMT_RGB565,
-               .depth    = 16,
-               .flags    = FORMAT_FLAGS_PACKED,
-       }, {
-               .name     = "16 bpp RGB, be",
-               .fourcc   = V4L2_PIX_FMT_RGB565X,
-               .depth    = 16,
-               .flags    = FORMAT_FLAGS_PACKED,
-       }, {
-               .name     = "24 bpp RGB, le",
-               .fourcc   = V4L2_PIX_FMT_BGR24,
-               .depth    = 24,
-               .flags    = FORMAT_FLAGS_PACKED,
-       }, {
-               .name     = "32 bpp RGB, le",
-               .fourcc   = V4L2_PIX_FMT_BGR32,
-               .depth    = 32,
-               .flags    = FORMAT_FLAGS_PACKED,
-       }, {
-               .name     = "32 bpp RGB, be",
-               .fourcc   = V4L2_PIX_FMT_RGB32,
-               .depth    = 32,
-               .flags    = FORMAT_FLAGS_PACKED,
-       }, {
-               .name     = "4:2:2, packed, YUYV",
-               .fourcc   = V4L2_PIX_FMT_YUYV,
-               .depth    = 16,
-               .flags    = FORMAT_FLAGS_PACKED,
-       }, {
-               .name     = "4:2:2, packed, UYVY",
-               .fourcc   = V4L2_PIX_FMT_UYVY,
-               .depth    = 16,
-               .flags    = FORMAT_FLAGS_PACKED,
-       },
-};
-#else
-static struct cx23885_fmt formats[] = {
-       {
-#if 0
-               .name     = "4:2:2, packed, UYVY",
-               .fourcc   = V4L2_PIX_FMT_UYVY,
-               .depth    = 16,
-               .flags    = FORMAT_FLAGS_PACKED,
-       }, {
-#endif
                .name     = "4:2:2, packed, YUYV",
                .fourcc   = V4L2_PIX_FMT_YUYV,
                .depth    = 16,
                .flags    = FORMAT_FLAGS_PACKED,
        }
 };
-#endif
 
 static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc)
 {
@@ -156,13 +93,6 @@ static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc)
        for (i = 0; i < ARRAY_SIZE(formats); i++)
                if (formats[i].fourcc == fourcc)
                        return formats+i;
-
-       printk(KERN_ERR "%s(%c%c%c%c) NOT FOUND\n", __func__,
-               (fourcc & 0xff),
-               ((fourcc >> 8) & 0xff),
-               ((fourcc >> 16) & 0xff),
-               ((fourcc >> 24) & 0xff)
-               );
        return NULL;
 }
 
@@ -502,8 +432,9 @@ static int buffer_setup(struct videobuf_queue *q, unsigned int *count,
        unsigned int *size)
 {
        struct cx23885_fh *fh = q->priv_data;
+       struct cx23885_dev *dev = fh->dev;
 
-       *size = fh->fmt->depth*fh->width*fh->height >> 3;
+       *size = (dev->fmt->depth * dev->width * dev->height) >> 3;
        if (0 == *count)
                *count = 32;
        if (*size * *count > vid_limit * 1024 * 1024)
@@ -523,21 +454,23 @@ static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
        struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb);
        int field_tff;
 
-       BUG_ON(NULL == fh->fmt);
-       if (fh->width  < 48 || fh->width  > norm_maxw(dev->tvnorm) ||
-           fh->height < 32 || fh->height > norm_maxh(dev->tvnorm))
+       if (WARN_ON(NULL == dev->fmt))
+               return -EINVAL;
+
+       if (dev->width  < 48 || dev->width  > norm_maxw(dev->tvnorm) ||
+           dev->height < 32 || dev->height > norm_maxh(dev->tvnorm))
                return -EINVAL;
-       buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
+       buf->vb.size = (dev->width * dev->height * dev->fmt->depth) >> 3;
        if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
                return -EINVAL;
 
-       if (buf->fmt       != fh->fmt    ||
-           buf->vb.width  != fh->width  ||
-           buf->vb.height != fh->height ||
+       if (buf->fmt       != dev->fmt    ||
+           buf->vb.width  != dev->width  ||
+           buf->vb.height != dev->height ||
            buf->vb.field  != field) {
-               buf->fmt       = fh->fmt;
-               buf->vb.width  = fh->width;
-               buf->vb.height = fh->height;
+               buf->fmt       = dev->fmt;
+               buf->vb.width  = dev->width;
+               buf->vb.height = dev->height;
                buf->vb.field  = field;
                init_buffer = 1;
        }
@@ -612,7 +545,7 @@ static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
        }
        dprintk(2, "[%p/%d] buffer_prep - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
                buf, buf->vb.i,
-               fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
+               dev->width, dev->height, dev->fmt->depth, dev->fmt->name,
                (unsigned long)buf->risc.dma);
 
        buf->vb.state = VIDEOBUF_PREPARED;
@@ -738,9 +671,6 @@ static int video_open(struct file *file)
        v4l2_fh_init(&fh->fh, vdev);
        file->private_data = &fh->fh;
        fh->dev      = dev;
-       fh->width    = 320;
-       fh->height   = 240;
-       fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_YUYV);
 
        videobuf_queue_sg_init(&fh->vidq, &cx23885_video_qops,
                            &dev->pci->dev, &dev->slock,
@@ -887,13 +817,14 @@ static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
        struct v4l2_format *f)
 {
        struct cx23885_fh *fh   = priv;
+       struct cx23885_dev *dev = fh->dev;
 
-       f->fmt.pix.width        = fh->width;
-       f->fmt.pix.height       = fh->height;
+       f->fmt.pix.width        = dev->width;
+       f->fmt.pix.height       = dev->height;
        f->fmt.pix.field        = fh->vidq.field;
-       f->fmt.pix.pixelformat  = fh->fmt->fourcc;
+       f->fmt.pix.pixelformat  = dev->fmt->fourcc;
        f->fmt.pix.bytesperline =
-               (f->fmt.pix.width * fh->fmt->depth) >> 3;
+               (f->fmt.pix.width * dev->fmt->depth) >> 3;
        f->fmt.pix.sizeimage =
                f->fmt.pix.height * f->fmt.pix.bytesperline;
        f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
@@ -951,7 +882,7 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
        struct v4l2_format *f)
 {
        struct cx23885_fh *fh = priv;
-       struct cx23885_dev *dev  = ((struct cx23885_fh *)priv)->dev;
+       struct cx23885_dev *dev  = fh->dev;
        struct v4l2_mbus_framefmt mbus_fmt;
        int err;
 
@@ -960,12 +891,12 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
 
        if (0 != err)
                return err;
-       fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
-       fh->width      = f->fmt.pix.width;
-       fh->height     = f->fmt.pix.height;
+       dev->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
+       dev->width      = f->fmt.pix.width;
+       dev->height     = f->fmt.pix.height;
        fh->vidq.field = f->fmt.pix.field;
        dprintk(2, "%s() width=%d height=%d field=%d\n", __func__,
-               fh->width, fh->height, fh->vidq.field);
+               dev->width, dev->height, fh->vidq.field);
        v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED);
        call_all(dev, video, s_mbus_fmt, &mbus_fmt);
        v4l2_fill_pix_format(&f->fmt.pix, &mbus_fmt);
@@ -976,7 +907,8 @@ static int vidioc_querycap(struct file *file, void  *priv,
        struct v4l2_capability *cap)
 {
        struct video_device *vdev = video_devdata(file);
-       struct cx23885_dev *dev  = ((struct cx23885_fh *)priv)->dev;
+       struct cx23885_fh *fh = priv;
+       struct cx23885_dev *dev = fh->dev;
 
        strcpy(cap->driver, "cx23885");
        strlcpy(cap->card, cx23885_boards[dev->board].name,
@@ -1619,6 +1551,9 @@ int cx23885_video_register(struct cx23885_dev *dev)
        strcpy(cx23885_vbi_template.name, "cx23885-vbi");
 
        dev->tvnorm = V4L2_STD_NTSC_M;
+       dev->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV);
+       dev->width = norm_maxw(dev->tvnorm);
+       dev->height = norm_maxh(dev->tvnorm);
 
        /* init video dma queues */
        INIT_LIST_HEAD(&dev->vidq.active);
index a88e951..260d177 100644 (file)
@@ -145,10 +145,6 @@ struct cx23885_fh {
        struct cx23885_dev         *dev;
        u32                        resources;
 
-       /* video capture */
-       struct cx23885_fmt         *fmt;
-       unsigned int               width, height;
-
        /* vbi capture */
        struct videobuf_queue      vidq;
        struct videobuf_queue      vbiq;
@@ -424,6 +420,10 @@ struct cx23885_dev {
        struct video_device        *video_dev;
        struct video_device        *vbi_dev;
 
+       /* video capture */
+       struct cx23885_fmt         *fmt;
+       unsigned int               width, height;
+
        struct cx23885_dmaqueue    vidq;
        struct cx23885_dmaqueue    vbiq;
        spinlock_t                 slock;