Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-18 09:02:17 +00:00
Code Issues Packages Projects Releases Wiki Activity

[media] SOLO6x10: Fix video encoding on big-endian systems

Browse Source 
Signed-off-by: Krzysztof Ha?asa <khalasa@piap.pl>
[hans.verkuil@cisco.com: fix merge problems due to the recent solo sg_table changes]
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>

Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Krzysztof Hałasa 2013-09-12 08:28:07 -03:00 committed by Mauro Carvalho Chehab
parent a3d2d196e1
commit 4a61ad3c4a
1 changed files with 80 additions and 52 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

132
drivers/staging/media/solo6x10/solo6x10-v4l2-enc.c
View File

@ -95,38 +95,11 @@ static unsigned char vop_6110_pal_cif[] = {
0x01, 0x68, 0xce, 0x32, 0x28, 0x00, 0x00, 0x00,
};
struct vop_header {
/* VE_STATUS0 */
u32 mpeg_size:20, sad_motion_flag:1, video_motion_flag:1, vop_type:2,
channel:5, source_fl:1, interlace:1, progressive:1;
/* VE_STATUS1 */
u32 vsize:8, hsize:8, last_queue:4, nop0:8, scale:4;
/* VE_STATUS2 */
u32 mpeg_off;
/* VE_STATUS3 */
u32 jpeg_off;
/* VE_STATUS4 */
u32 jpeg_size:20, interval:10, nop1:2;
/* VE_STATUS5/6 */
u32 sec, usec;
/* VE_STATUS7/8/9 */
u32 nop2[3];
/* VE_STATUS10 */
u32 mpeg_size_alt:20, nop3:12;
u32 end_nops[5];
} __packed;
typedef __le32 vop_header[16];
struct solo_enc_buf {
enum solo_enc_types type;
struct vop_header *vh;
const vop_header *vh;
int motion;
};
@ -430,8 +403,64 @@ static int solo_send_desc(struct solo_enc_dev *solo_enc, int skip,
solo_enc->desc_count - 1);
}
/* Extract values from VOP header - VE_STATUSxx */
static inline int vop_interlaced(const vop_header *vh)
{
return (__le32_to_cpu((*vh)[0]) >> 30) & 1;
}
static inline u8 vop_channel(const vop_header *vh)
{
return (__le32_to_cpu((*vh)[0]) >> 24) & 0x1F;
}
static inline u8 vop_type(const vop_header *vh)
{
return (__le32_to_cpu((*vh)[0]) >> 22) & 3;
}
static inline u32 vop_mpeg_size(const vop_header *vh)
{
return __le32_to_cpu((*vh)[0]) & 0xFFFFF;
}
static inline u8 vop_hsize(const vop_header *vh)
{
return (__le32_to_cpu((*vh)[1]) >> 8) & 0xFF;
}
static inline u8 vop_vsize(const vop_header *vh)
{
return __le32_to_cpu((*vh)[1]) & 0xFF;
}
static inline u32 vop_mpeg_offset(const vop_header *vh)
{
return __le32_to_cpu((*vh)[2]);
}
static inline u32 vop_jpeg_offset(const vop_header *vh)
{
return __le32_to_cpu((*vh)[3]);
}
static inline u32 vop_jpeg_size(const vop_header *vh)
{
return __le32_to_cpu((*vh)[4]) & 0xFFFFF;
}
static inline u32 vop_sec(const vop_header *vh)
{
return __le32_to_cpu((*vh)[5]);
}
static inline u32 vop_usec(const vop_header *vh)
{
return __le32_to_cpu((*vh)[6]);
}
static int solo_fill_jpeg(struct solo_enc_dev *solo_enc,
struct vb2_buffer *vb, struct vop_header *vh)
struct vb2_buffer *vb, const vop_header *vh)
{
struct solo_dev *solo_dev = solo_enc->solo_dev;
struct sg_table *vbuf = vb2_dma_sg_plane_desc(vb, 0);
@ -440,29 +469,30 @@ static int solo_fill_jpeg(struct solo_enc_dev *solo_enc,
vb->v4l2_buf.flags |= V4L2_BUF_FLAG_KEYFRAME;
if (vb2_plane_size(vb, 0) < vh->jpeg_size + solo_enc->jpeg_len)
if (vb2_plane_size(vb, 0) < vop_jpeg_size(vh) + solo_enc->jpeg_len)
return -EIO;
sg_copy_from_buffer(vbuf->sgl, vbuf->nents,
solo_enc->jpeg_header,
solo_enc->jpeg_len);
frame_size = (vh->jpeg_size + solo_enc->jpeg_len + (DMA_ALIGN - 1))
frame_size = (vop_jpeg_size(vh) + solo_enc->jpeg_len + (DMA_ALIGN - 1))
& ~(DMA_ALIGN - 1);
vb2_set_plane_payload(vb, 0, vh->jpeg_size + solo_enc->jpeg_len);
vb2_set_plane_payload(vb, 0, vop_jpeg_size(vh) + solo_enc->jpeg_len);
dma_map_sg(&solo_dev->pdev->dev, vbuf->sgl, vbuf->nents,
DMA_FROM_DEVICE);
ret = solo_send_desc(solo_enc, solo_enc->jpeg_len, vbuf, vh->jpeg_off,
frame_size, SOLO_JPEG_EXT_ADDR(solo_dev),
SOLO_JPEG_EXT_SIZE(solo_dev));
ret = solo_send_desc(solo_enc, solo_enc->jpeg_len, vbuf,
vop_jpeg_offset(vh) - SOLO_JPEG_EXT_ADDR(solo_dev),
frame_size, SOLO_JPEG_EXT_ADDR(solo_dev),
SOLO_JPEG_EXT_SIZE(solo_dev));
dma_unmap_sg(&solo_dev->pdev->dev, vbuf->sgl, vbuf->nents,
DMA_FROM_DEVICE);
return ret;
}
static int solo_fill_mpeg(struct solo_enc_dev *solo_enc,
struct vb2_buffer *vb, struct vop_header *vh)
struct vb2_buffer *vb, const vop_header *vh)
{
struct solo_dev *solo_dev = solo_enc->solo_dev;
struct sg_table *vbuf = vb2_dma_sg_plane_desc(vb, 0);
@ -470,11 +500,11 @@ static int solo_fill_mpeg(struct solo_enc_dev *solo_enc,
int skip = 0;
int ret;
if (vb2_plane_size(vb, 0) < vh->mpeg_size)
if (vb2_plane_size(vb, 0) < vop_mpeg_size(vh))
return -EIO;
/* If this is a key frame, add extra header */
if (!vh->vop_type) {
if (!vop_type(vh)) {
sg_copy_from_buffer(vbuf->sgl, vbuf->nents,
solo_enc->vop,
solo_enc->vop_len);
@ -482,16 +512,16 @@ static int solo_fill_mpeg(struct solo_enc_dev *solo_enc,
skip = solo_enc->vop_len;
vb->v4l2_buf.flags |= V4L2_BUF_FLAG_KEYFRAME;
vb2_set_plane_payload(vb, 0, vh->mpeg_size + solo_enc->vop_len);
vb2_set_plane_payload(vb, 0, vop_mpeg_size(vh) + solo_enc->vop_len);
} else {
vb->v4l2_buf.flags |= V4L2_BUF_FLAG_PFRAME;
vb2_set_plane_payload(vb, 0, vh->mpeg_size);
vb2_set_plane_payload(vb, 0, vop_mpeg_size(vh));
}
/* Now get the actual mpeg payload */
frame_off = (vh->mpeg_off + sizeof(*vh))
frame_off = (vop_mpeg_offset(vh) - SOLO_MP4E_EXT_ADDR(solo_dev) + sizeof(*vh))
% SOLO_MP4E_EXT_SIZE(solo_dev);
frame_size = (vh->mpeg_size + skip + (DMA_ALIGN - 1))
frame_size = (vop_mpeg_size(vh) + skip + (DMA_ALIGN - 1))
& ~(DMA_ALIGN - 1);
dma_map_sg(&solo_dev->pdev->dev, vbuf->sgl, vbuf->nents,
@ -507,7 +537,7 @@ static int solo_fill_mpeg(struct solo_enc_dev *solo_enc,
static int solo_enc_fillbuf(struct solo_enc_dev *solo_enc,
struct vb2_buffer *vb, struct solo_enc_buf *enc_buf)
{
struct vop_header *vh = enc_buf->vh;
const vop_header *vh = enc_buf->vh;
int ret;
/* Check for motion flags */
@ -531,8 +561,8 @@ static int solo_enc_fillbuf(struct solo_enc_dev *solo_enc,
if (!ret) {
vb->v4l2_buf.sequence = solo_enc->sequence++;
vb->v4l2_buf.timestamp.tv_sec = vh->sec;
vb->v4l2_buf.timestamp.tv_usec = vh->usec;
vb->v4l2_buf.timestamp.tv_sec = vop_sec(vh);
vb->v4l2_buf.timestamp.tv_usec = vop_usec(vh);
}
vb2_buffer_done(vb, ret ? VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE);
@ -605,15 +635,13 @@ static void solo_handle_ring(struct solo_dev *solo_dev)
/* FAIL... */
if (enc_get_mpeg_dma(solo_dev, solo_dev->vh_dma, off,
sizeof(struct vop_header)))
sizeof(vop_header)))
continue;
enc_buf.vh = (struct vop_header *)solo_dev->vh_buf;
enc_buf.vh->mpeg_off -= SOLO_MP4E_EXT_ADDR(solo_dev);
enc_buf.vh->jpeg_off -= SOLO_JPEG_EXT_ADDR(solo_dev);
enc_buf.vh = solo_dev->vh_buf;
/* Sanity check */
if (enc_buf.vh->mpeg_off != off)
if (vop_mpeg_offset(enc_buf.vh) != SOLO_MP4E_EXT_ADDR(solo_dev) + off)
continue;
if (solo_motion_detected(solo_enc))
@ -1329,7 +1357,7 @@ int solo_enc_v4l2_init(struct solo_dev *solo_dev, unsigned nr)
init_waitqueue_head(&solo_dev->ring_thread_wait);
solo_dev->vh_size = sizeof(struct vop_header);
solo_dev->vh_size = sizeof(vop_header);
solo_dev->vh_buf = pci_alloc_consistent(solo_dev->pdev,
solo_dev->vh_size,
&solo_dev->vh_dma);