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-rw-r--r--drivers/media/platform/coda/Makefile2
-rw-r--r--drivers/media/platform/coda/coda-bit.c205
-rw-r--r--drivers/media/platform/coda/coda-common.c113
-rw-r--r--drivers/media/platform/coda/coda-jpeg.c1
-rw-r--r--drivers/media/platform/coda/coda.h18
-rw-r--r--drivers/media/platform/coda/trace.h203
6 files changed, 422 insertions, 120 deletions
diff --git a/drivers/media/platform/coda/Makefile b/drivers/media/platform/coda/Makefile
index 25ce15561695..834e504bf085 100644
--- a/drivers/media/platform/coda/Makefile
+++ b/drivers/media/platform/coda/Makefile
@@ -1,3 +1,5 @@
+ccflags-y += -I$(src)
+
coda-objs := coda-common.o coda-bit.o coda-h264.o coda-jpeg.o
obj-$(CONFIG_VIDEO_CODA) += coda.o
diff --git a/drivers/media/platform/coda/coda-bit.c b/drivers/media/platform/coda/coda-bit.c
index 856b542b35b9..d0430071d2ee 100644
--- a/drivers/media/platform/coda/coda-bit.c
+++ b/drivers/media/platform/coda/coda-bit.c
@@ -15,6 +15,7 @@
#include <linux/clk.h>
#include <linux/irqreturn.h>
#include <linux/kernel.h>
+#include <linux/log2.h>
#include <linux/platform_device.h>
#include <linux/reset.h>
#include <linux/slab.h>
@@ -29,13 +30,18 @@
#include <media/videobuf2-vmalloc.h>
#include "coda.h"
+#define CREATE_TRACE_POINTS
+#include "trace.h"
+#define CODA_PARA_BUF_SIZE (10 * 1024)
#define CODA7_PS_BUF_SIZE 0x28000
#define CODA9_PS_SAVE_SIZE (512 * 1024)
#define CODA_DEFAULT_GAMMA 4096
#define CODA9_DEFAULT_GAMMA 24576 /* 0.75 * 32768 */
+static void coda_free_bitstream_buffer(struct coda_ctx *ctx);
+
static inline int coda_is_initialized(struct coda_dev *dev)
{
return coda_read(dev, CODA_REG_BIT_CUR_PC) != 0;
@@ -84,15 +90,21 @@ static void coda_command_async(struct coda_ctx *ctx, int cmd)
coda_write(dev, ctx->params.codec_mode, CODA_REG_BIT_RUN_COD_STD);
coda_write(dev, ctx->params.codec_mode_aux, CODA7_REG_BIT_RUN_AUX_STD);
+ trace_coda_bit_run(ctx, cmd);
+
coda_write(dev, cmd, CODA_REG_BIT_RUN_COMMAND);
}
static int coda_command_sync(struct coda_ctx *ctx, int cmd)
{
struct coda_dev *dev = ctx->dev;
+ int ret;
coda_command_async(ctx, cmd);
- return coda_wait_timeout(dev);
+ ret = coda_wait_timeout(dev);
+ trace_coda_bit_done(ctx);
+
+ return ret;
}
int coda_hw_reset(struct coda_ctx *ctx)
@@ -177,10 +189,6 @@ static int coda_bitstream_queue(struct coda_ctx *ctx,
if (n < src_size)
return -ENOSPC;
- dma_sync_single_for_device(&ctx->dev->plat_dev->dev,
- ctx->bitstream.paddr, ctx->bitstream.size,
- DMA_TO_DEVICE);
-
src_buf->v4l2_buf.sequence = ctx->qsequence++;
return 0;
@@ -214,7 +222,7 @@ static bool coda_bitstream_try_queue(struct coda_ctx *ctx,
return true;
}
-void coda_fill_bitstream(struct coda_ctx *ctx)
+void coda_fill_bitstream(struct coda_ctx *ctx, bool streaming)
{
struct vb2_buffer *src_buf;
struct coda_buffer_meta *meta;
@@ -235,9 +243,12 @@ void coda_fill_bitstream(struct coda_ctx *ctx)
if (ctx->codec->src_fourcc == V4L2_PIX_FMT_JPEG &&
!coda_jpeg_check_buffer(ctx, src_buf)) {
v4l2_err(&ctx->dev->v4l2_dev,
- "dropping invalid JPEG frame\n");
+ "dropping invalid JPEG frame %d\n",
+ ctx->qsequence);
src_buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
- v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_ERROR);
+ v4l2_m2m_buf_done(src_buf, streaming ?
+ VB2_BUF_STATE_ERROR :
+ VB2_BUF_STATE_QUEUED);
continue;
}
@@ -262,6 +273,8 @@ void coda_fill_bitstream(struct coda_ctx *ctx)
ctx->bitstream_fifo.kfifo.mask;
list_add_tail(&meta->list,
&ctx->buffer_meta_list);
+
+ trace_coda_bit_queue(ctx, src_buf, meta);
}
v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE);
@@ -297,6 +310,14 @@ static void coda_parabuf_write(struct coda_ctx *ctx, int index, u32 value)
p[index ^ 1] = value;
}
+static inline int coda_alloc_context_buf(struct coda_ctx *ctx,
+ struct coda_aux_buf *buf, size_t size,
+ const char *name)
+{
+ return coda_alloc_aux_buf(ctx->dev, buf, size, name, ctx->debugfs_entry);
+}
+
+
static void coda_free_framebuffers(struct coda_ctx *ctx)
{
int i;
@@ -377,6 +398,7 @@ static void coda_free_context_buffers(struct coda_ctx *ctx)
coda_free_aux_buf(dev, &ctx->psbuf);
if (dev->devtype->product != CODA_DX6)
coda_free_aux_buf(dev, &ctx->workbuf);
+ coda_free_aux_buf(dev, &ctx->parabuf);
}
static int coda_alloc_context_buffers(struct coda_ctx *ctx,
@@ -386,57 +408,42 @@ static int coda_alloc_context_buffers(struct coda_ctx *ctx,
size_t size;
int ret;
+ if (!ctx->parabuf.vaddr) {
+ ret = coda_alloc_context_buf(ctx, &ctx->parabuf,
+ CODA_PARA_BUF_SIZE, "parabuf");
+ if (ret < 0)
+ return ret;
+ }
+
if (dev->devtype->product == CODA_DX6)
return 0;
- if (ctx->psbuf.vaddr) {
- v4l2_err(&dev->v4l2_dev, "psmembuf still allocated\n");
- return -EBUSY;
- }
- if (ctx->slicebuf.vaddr) {
- v4l2_err(&dev->v4l2_dev, "slicebuf still allocated\n");
- return -EBUSY;
- }
- if (ctx->workbuf.vaddr) {
- v4l2_err(&dev->v4l2_dev, "context buffer still allocated\n");
- ret = -EBUSY;
- return -ENOMEM;
- }
-
- if (q_data->fourcc == V4L2_PIX_FMT_H264) {
+ if (!ctx->slicebuf.vaddr && q_data->fourcc == V4L2_PIX_FMT_H264) {
/* worst case slice size */
size = (DIV_ROUND_UP(q_data->width, 16) *
DIV_ROUND_UP(q_data->height, 16)) * 3200 / 8 + 512;
ret = coda_alloc_context_buf(ctx, &ctx->slicebuf, size,
"slicebuf");
- if (ret < 0) {
- v4l2_err(&dev->v4l2_dev,
- "failed to allocate %d byte slice buffer",
- ctx->slicebuf.size);
- return ret;
- }
+ if (ret < 0)
+ goto err;
}
- if (dev->devtype->product == CODA_7541) {
+ if (!ctx->psbuf.vaddr && dev->devtype->product == CODA_7541) {
ret = coda_alloc_context_buf(ctx, &ctx->psbuf,
CODA7_PS_BUF_SIZE, "psbuf");
- if (ret < 0) {
- v4l2_err(&dev->v4l2_dev,
- "failed to allocate psmem buffer");
+ if (ret < 0)
goto err;
- }
}
- size = dev->devtype->workbuf_size;
- if (dev->devtype->product == CODA_960 &&
- q_data->fourcc == V4L2_PIX_FMT_H264)
- size += CODA9_PS_SAVE_SIZE;
- ret = coda_alloc_context_buf(ctx, &ctx->workbuf, size, "workbuf");
- if (ret < 0) {
- v4l2_err(&dev->v4l2_dev,
- "failed to allocate %d byte context buffer",
- ctx->workbuf.size);
- goto err;
+ if (!ctx->workbuf.vaddr) {
+ size = dev->devtype->workbuf_size;
+ if (dev->devtype->product == CODA_960 &&
+ q_data->fourcc == V4L2_PIX_FMT_H264)
+ size += CODA9_PS_SAVE_SIZE;
+ ret = coda_alloc_context_buf(ctx, &ctx->workbuf, size,
+ "workbuf");
+ if (ret < 0)
+ goto err;
}
return 0;
@@ -709,6 +716,27 @@ err_clk_per:
* Encoder context operations
*/
+static int coda_encoder_reqbufs(struct coda_ctx *ctx,
+ struct v4l2_requestbuffers *rb)
+{
+ struct coda_q_data *q_data_src;
+ int ret;
+
+ if (rb->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
+ return 0;
+
+ if (rb->count) {
+ q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
+ ret = coda_alloc_context_buffers(ctx, q_data_src);
+ if (ret < 0)
+ return ret;
+ } else {
+ coda_free_context_buffers(ctx);
+ }
+
+ return 0;
+}
+
static int coda_start_encoding(struct coda_ctx *ctx)
{
struct coda_dev *dev = ctx->dev;
@@ -725,11 +753,6 @@ static int coda_start_encoding(struct coda_ctx *ctx)
q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
dst_fourcc = q_data_dst->fourcc;
- /* Allocate per-instance buffers */
- ret = coda_alloc_context_buffers(ctx, q_data_src);
- if (ret < 0)
- return ret;
-
buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
bitstream_buf = vb2_dma_contig_plane_dma_addr(buf, 0);
bitstream_size = q_data_dst->sizeimage;
@@ -1227,6 +1250,8 @@ static int coda_prepare_encode(struct coda_ctx *ctx)
coda_write(dev, ctx->iram_info.axi_sram_use,
CODA7_REG_BIT_AXI_SRAM_USE);
+ trace_coda_enc_pic_run(ctx, src_buf);
+
coda_command_async(ctx, CODA_COMMAND_PIC_RUN);
return 0;
@@ -1241,6 +1266,8 @@ static void coda_finish_encode(struct coda_ctx *ctx)
src_buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
+ trace_coda_enc_pic_done(ctx, dst_buf);
+
/* Get results from the coda */
start_ptr = coda_read(dev, CODA_CMD_ENC_PIC_BB_START);
wr_ptr = coda_read(dev, CODA_REG_BIT_WR_PTR(ctx->reg_idx));
@@ -1311,7 +1338,6 @@ static void coda_seq_end_work(struct work_struct *work)
ctx->bitstream.vaddr, ctx->bitstream.size);
coda_free_framebuffers(ctx);
- coda_free_context_buffers(ctx);
mutex_unlock(&dev->coda_mutex);
mutex_unlock(&ctx->buffer_mutex);
@@ -1322,11 +1348,13 @@ static void coda_bit_release(struct coda_ctx *ctx)
mutex_lock(&ctx->buffer_mutex);
coda_free_framebuffers(ctx);
coda_free_context_buffers(ctx);
+ coda_free_bitstream_buffer(ctx);
mutex_unlock(&ctx->buffer_mutex);
}
const struct coda_context_ops coda_bit_encode_ops = {
.queue_init = coda_encoder_queue_init,
+ .reqbufs = coda_encoder_reqbufs,
.start_streaming = coda_start_encoding,
.prepare_run = coda_prepare_encode,
.finish_run = coda_finish_encode,
@@ -1338,6 +1366,65 @@ const struct coda_context_ops coda_bit_encode_ops = {
* Decoder context operations
*/
+static int coda_alloc_bitstream_buffer(struct coda_ctx *ctx,
+ struct coda_q_data *q_data)
+{
+ if (ctx->bitstream.vaddr)
+ return 0;
+
+ ctx->bitstream.size = roundup_pow_of_two(q_data->sizeimage * 2);
+ ctx->bitstream.vaddr = dma_alloc_writecombine(
+ &ctx->dev->plat_dev->dev, ctx->bitstream.size,
+ &ctx->bitstream.paddr, GFP_KERNEL);
+ if (!ctx->bitstream.vaddr) {
+ v4l2_err(&ctx->dev->v4l2_dev,
+ "failed to allocate bitstream ringbuffer");
+ return -ENOMEM;
+ }
+ kfifo_init(&ctx->bitstream_fifo,
+ ctx->bitstream.vaddr, ctx->bitstream.size);
+
+ return 0;
+}
+
+static void coda_free_bitstream_buffer(struct coda_ctx *ctx)
+{
+ if (ctx->bitstream.vaddr == NULL)
+ return;
+
+ dma_free_writecombine(&ctx->dev->plat_dev->dev, ctx->bitstream.size,
+ ctx->bitstream.vaddr, ctx->bitstream.paddr);
+ ctx->bitstream.vaddr = NULL;
+ kfifo_init(&ctx->bitstream_fifo, NULL, 0);
+}
+
+static int coda_decoder_reqbufs(struct coda_ctx *ctx,
+ struct v4l2_requestbuffers *rb)
+{
+ struct coda_q_data *q_data_src;
+ int ret;
+
+ if (rb->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
+ return 0;
+
+ if (rb->count) {
+ q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
+ ret = coda_alloc_context_buffers(ctx, q_data_src);
+ if (ret < 0)
+ return ret;
+ ret = coda_alloc_bitstream_buffer(ctx, q_data_src);
+ if (ret < 0) {
+ coda_free_context_buffers(ctx);
+ return ret;
+ }
+ } else {
+ coda_free_bitstream_buffer(ctx);
+ coda_free_context_buffers(ctx);
+ }
+
+ return 0;
+}
+
static int __coda_start_decoding(struct coda_ctx *ctx)
{
struct coda_q_data *q_data_src, *q_data_dst;
@@ -1356,11 +1443,6 @@ static int __coda_start_decoding(struct coda_ctx *ctx)
src_fourcc = q_data_src->fourcc;
dst_fourcc = q_data_dst->fourcc;
- /* Allocate per-instance buffers */
- ret = coda_alloc_context_buffers(ctx, q_data_src);
- if (ret < 0)
- return ret;
-
coda_write(dev, ctx->parabuf.paddr, CODA_REG_BIT_PARA_BUF_ADDR);
/* Update coda bitstream read and write pointers from kfifo */
@@ -1579,7 +1661,7 @@ static int coda_prepare_decode(struct coda_ctx *ctx)
/* Try to copy source buffer contents into the bitstream ringbuffer */
mutex_lock(&ctx->bitstream_mutex);
- coda_fill_bitstream(ctx);
+ coda_fill_bitstream(ctx, true);
mutex_unlock(&ctx->bitstream_mutex);
if (coda_get_bitstream_payload(ctx) < 512 &&
@@ -1675,6 +1757,8 @@ static int coda_prepare_decode(struct coda_ctx *ctx)
/* Clear decode success flag */
coda_write(dev, 0, CODA_RET_DEC_PIC_SUCCESS);
+ trace_coda_dec_pic_run(ctx, meta);
+
coda_command_async(ctx, CODA_COMMAND_PIC_RUN);
return 0;
@@ -1704,7 +1788,7 @@ static void coda_finish_decode(struct coda_ctx *ctx)
* by up to 512 bytes
*/
if (ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG) {
- if (coda_get_bitstream_payload(ctx) >= CODA_MAX_FRAME_SIZE - 512)
+ if (coda_get_bitstream_payload(ctx) >= ctx->bitstream.size - 512)
kfifo_init(&ctx->bitstream_fifo,
ctx->bitstream.vaddr, ctx->bitstream.size);
}
@@ -1835,6 +1919,8 @@ static void coda_finish_decode(struct coda_ctx *ctx)
}
mutex_unlock(&ctx->bitstream_mutex);
+ trace_coda_dec_pic_done(ctx, &ctx->frame_metas[decoded_idx]);
+
val = coda_read(dev, CODA_RET_DEC_PIC_TYPE) & 0x7;
if (val == 0)
ctx->frame_types[decoded_idx] = V4L2_BUF_FLAG_KEYFRAME;
@@ -1874,6 +1960,8 @@ static void coda_finish_decode(struct coda_ctx *ctx)
dst_buf->v4l2_buf.timecode = meta->timecode;
dst_buf->v4l2_buf.timestamp = meta->timestamp;
+ trace_coda_dec_rot_done(ctx, meta, dst_buf);
+
switch (q_data_dst->fourcc) {
case V4L2_PIX_FMT_YUV420:
case V4L2_PIX_FMT_YVU420:
@@ -1906,6 +1994,7 @@ static void coda_finish_decode(struct coda_ctx *ctx)
const struct coda_context_ops coda_bit_decode_ops = {
.queue_init = coda_decoder_queue_init,
+ .reqbufs = coda_decoder_reqbufs,
.start_streaming = coda_start_decoding,
.prepare_run = coda_prepare_decode,
.finish_run = coda_finish_decode,
@@ -1931,6 +2020,8 @@ irqreturn_t coda_irq_handler(int irq, void *data)
return IRQ_HANDLED;
}
+ trace_coda_bit_done(ctx);
+
if (ctx->aborting) {
v4l2_dbg(1, coda_debug, &ctx->dev->v4l2_dev,
"task has been aborted\n");
diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c
index 6f32e6d6b156..8e6fe0200117 100644
--- a/drivers/media/platform/coda/coda-common.c
+++ b/drivers/media/platform/coda/coda-common.c
@@ -46,7 +46,6 @@
#define CODADX6_MAX_INSTANCES 4
#define CODA_MAX_FORMATS 4
-#define CODA_PARA_BUF_SIZE (10 * 1024)
#define CODA_ISRAM_SIZE (2048 * 2)
#define MIN_W 176
@@ -696,6 +695,26 @@ static int coda_s_fmt_vid_out(struct file *file, void *priv,
return coda_s_fmt(ctx, &f_cap);
}
+static int coda_reqbufs(struct file *file, void *priv,
+ struct v4l2_requestbuffers *rb)
+{
+ struct coda_ctx *ctx = fh_to_ctx(priv);
+ int ret;
+
+ ret = v4l2_m2m_reqbufs(file, ctx->fh.m2m_ctx, rb);
+ if (ret)
+ return ret;
+
+ /*
+ * Allow to allocate instance specific per-context buffers, such as
+ * bitstream ringbuffer, slice buffer, work buffer, etc. if needed.
+ */
+ if (rb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT && ctx->ops->reqbufs)
+ return ctx->ops->reqbufs(ctx, rb);
+
+ return 0;
+}
+
static int coda_qbuf(struct file *file, void *priv,
struct v4l2_buffer *buf)
{
@@ -841,7 +860,7 @@ static const struct v4l2_ioctl_ops coda_ioctl_ops = {
.vidioc_try_fmt_vid_out = coda_try_fmt_vid_out,
.vidioc_s_fmt_vid_out = coda_s_fmt_vid_out,
- .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
+ .vidioc_reqbufs = coda_reqbufs,
.vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
.vidioc_qbuf = coda_qbuf,
@@ -1173,7 +1192,7 @@ static void coda_buf_queue(struct vb2_buffer *vb)
mutex_lock(&ctx->bitstream_mutex);
v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb);
if (vb2_is_streaming(vb->vb2_queue))
- coda_fill_bitstream(ctx);
+ coda_fill_bitstream(ctx, true);
mutex_unlock(&ctx->bitstream_mutex);
} else {
v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb);
@@ -1215,8 +1234,9 @@ void coda_free_aux_buf(struct coda_dev *dev,
buf->vaddr, buf->paddr);
buf->vaddr = NULL;
buf->size = 0;
+ debugfs_remove(buf->dentry);
+ buf->dentry = NULL;
}
- debugfs_remove(buf->dentry);
}
static int coda_start_streaming(struct vb2_queue *q, unsigned int count)
@@ -1232,9 +1252,9 @@ static int coda_start_streaming(struct vb2_queue *q, unsigned int count)
if (q_data_src->fourcc == V4L2_PIX_FMT_H264 ||
(q_data_src->fourcc == V4L2_PIX_FMT_JPEG &&
ctx->dev->devtype->product == CODA_7541)) {
- /* copy the buffers that where queued before streamon */
+ /* copy the buffers that were queued before streamon */
mutex_lock(&ctx->bitstream_mutex);
- coda_fill_bitstream(ctx);
+ coda_fill_bitstream(ctx, false);
mutex_unlock(&ctx->bitstream_mutex);
if (coda_get_bitstream_payload(ctx) < 512) {
@@ -1262,12 +1282,23 @@ static int coda_start_streaming(struct vb2_queue *q, unsigned int count)
if (!(ctx->streamon_out & ctx->streamon_cap))
return 0;
+ q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
+ if ((q_data_src->width != q_data_dst->width &&
+ round_up(q_data_src->width, 16) != q_data_dst->width) ||
+ (q_data_src->height != q_data_dst->height &&
+ round_up(q_data_src->height, 16) != q_data_dst->height)) {
+ v4l2_err(v4l2_dev, "can't convert %dx%d to %dx%d\n",
+ q_data_src->width, q_data_src->height,
+ q_data_dst->width, q_data_dst->height);
+ ret = -EINVAL;
+ goto err;
+ }
+
/* Allow BIT decoder device_run with no new buffers queued */
if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit)
v4l2_m2m_set_src_buffered(ctx->fh.m2m_ctx, true);
ctx->gopcounter = ctx->params.gop_size - 1;
- q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
ctx->codec = coda_find_codec(ctx->dev, q_data_src->fourcc,
q_data_dst->fourcc);
@@ -1308,6 +1339,9 @@ static void coda_stop_streaming(struct vb2_queue *q)
struct coda_ctx *ctx = vb2_get_drv_priv(q);
struct coda_dev *dev = ctx->dev;
struct vb2_buffer *buf;
+ bool stop;
+
+ stop = ctx->streamon_out && ctx->streamon_cap;
if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
@@ -1332,7 +1366,7 @@ static void coda_stop_streaming(struct vb2_queue *q)
v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);
}
- if (!ctx->streamon_out && !ctx->streamon_cap) {
+ if (stop) {
struct coda_buffer_meta *meta;
if (ctx->ops->seq_end_work) {
@@ -1457,7 +1491,7 @@ static const struct v4l2_ctrl_ops coda_ctrl_ops = {
static void coda_encode_ctrls(struct coda_ctx *ctx)
{
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
- V4L2_CID_MPEG_VIDEO_BITRATE, 0, 32767000, 1, 0);
+ V4L2_CID_MPEG_VIDEO_BITRATE, 0, 32767000, 1000, 0);
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 60, 1, 16);
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
@@ -1541,6 +1575,13 @@ static int coda_queue_init(struct coda_ctx *ctx, struct vb2_queue *vq)
vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
vq->lock = &ctx->dev->dev_mutex;
+ /* One way to indicate end-of-stream for coda is to set the
+ * bytesused == 0. However by default videobuf2 handles bytesused
+ * equal to 0 as a special case and changes its value to the size
+ * of the buffer. Set the allow_zero_bytesused flag, so
+ * that videobuf2 will keep the value of bytesused intact.
+ */
+ vq->allow_zero_bytesused = 1;
return vb2_queue_init(vq);
}
@@ -1621,6 +1662,11 @@ static int coda_open(struct file *file)
set_bit(idx, &dev->instance_mask);
name = kasprintf(GFP_KERNEL, "context%d", idx);
+ if (!name) {
+ ret = -ENOMEM;
+ goto err_coda_name_init;
+ }
+
ctx->debugfs_entry = debugfs_create_dir(name, dev->debugfs_root);
kfree(name);
@@ -1682,28 +1728,6 @@ static int coda_open(struct file *file)
ctx->fh.ctrl_handler = &ctx->ctrls;
- if (ctx->use_bit) {
- ret = coda_alloc_context_buf(ctx, &ctx->parabuf,
- CODA_PARA_BUF_SIZE, "parabuf");
- if (ret < 0) {
- v4l2_err(&dev->v4l2_dev, "failed to allocate parabuf");
- goto err_dma_alloc;
- }
- }
- if (ctx->use_bit && ctx->inst_type == CODA_INST_DECODER) {
- ctx->bitstream.size = CODA_MAX_FRAME_SIZE;
- ctx->bitstream.vaddr = dma_alloc_writecombine(
- &dev->plat_dev->dev, ctx->bitstream.size,
- &ctx->bitstream.paddr, GFP_KERNEL);
- if (!ctx->bitstream.vaddr) {
- v4l2_err(&dev->v4l2_dev,
- "failed to allocate bitstream ringbuffer");
- ret = -ENOMEM;
- goto err_dma_writecombine;
- }
- }
- kfifo_init(&ctx->bitstream_fifo,
- ctx->bitstream.vaddr, ctx->bitstream.size);
mutex_init(&ctx->bitstream_mutex);
mutex_init(&ctx->buffer_mutex);
INIT_LIST_HEAD(&ctx->buffer_meta_list);
@@ -1717,12 +1741,6 @@ static int coda_open(struct file *file)
return 0;
-err_dma_writecombine:
- if (ctx->dev->devtype->product == CODA_DX6)
- coda_free_aux_buf(dev, &ctx->workbuf);
- coda_free_aux_buf(dev, &ctx->parabuf);
-err_dma_alloc:
- v4l2_ctrl_handler_free(&ctx->ctrls);
err_ctrls_setup:
v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
err_ctx_init:
@@ -1735,6 +1753,7 @@ err_pm_get:
v4l2_fh_del(&ctx->fh);
v4l2_fh_exit(&ctx->fh);
clear_bit(ctx->idx, &dev->instance_mask);
+err_coda_name_init:
err_coda_max:
kfree(ctx);
return ret;
@@ -1764,14 +1783,9 @@ static int coda_release(struct file *file)
list_del(&ctx->list);
coda_unlock(ctx);
- if (ctx->bitstream.vaddr) {
- dma_free_writecombine(&dev->plat_dev->dev, ctx->bitstream.size,
- ctx->bitstream.vaddr, ctx->bitstream.paddr);
- }
if (ctx->dev->devtype->product == CODA_DX6)
coda_free_aux_buf(dev, &ctx->workbuf);
- coda_free_aux_buf(dev, &ctx->parabuf);
v4l2_ctrl_handler_free(&ctx->ctrls);
clk_disable_unprepare(dev->clk_ahb);
clk_disable_unprepare(dev->clk_per);
@@ -1901,8 +1915,7 @@ static int coda_register_device(struct coda_dev *dev, int i)
if (i >= dev->devtype->num_vdevs)
return -EINVAL;
- snprintf(vfd->name, sizeof(vfd->name), "%s",
- dev->devtype->vdevs[i]->name);
+ strlcpy(vfd->name, dev->devtype->vdevs[i]->name, sizeof(vfd->name));
vfd->fops = &coda_fops;
vfd->ioctl_ops = &coda_ioctl_ops;
vfd->release = video_device_release_empty,
@@ -1933,10 +1946,8 @@ static void coda_fw_callback(const struct firmware *fw, void *context)
/* allocate auxiliary per-device code buffer for the BIT processor */
ret = coda_alloc_aux_buf(dev, &dev->codebuf, fw->size, "codebuf",
dev->debugfs_root);
- if (ret < 0) {
- dev_err(&pdev->dev, "failed to allocate code buffer\n");
+ if (ret < 0)
goto put_pm;
- }
/* Copy the whole firmware image to the code buffer */
memcpy(dev->codebuf.vaddr, fw->data, fw->size);
@@ -2174,20 +2185,16 @@ static int coda_probe(struct platform_device *pdev)
ret = coda_alloc_aux_buf(dev, &dev->workbuf,
dev->devtype->workbuf_size, "workbuf",
dev->debugfs_root);
- if (ret < 0) {
- dev_err(&pdev->dev, "failed to allocate work buffer\n");
+ if (ret < 0)
goto err_v4l2_register;
- }
}
if (dev->devtype->tempbuf_size) {
ret = coda_alloc_aux_buf(dev, &dev->tempbuf,
dev->devtype->tempbuf_size, "tempbuf",
dev->debugfs_root);
- if (ret < 0) {
- dev_err(&pdev->dev, "failed to allocate temp buffer\n");
+ if (ret < 0)
goto err_v4l2_register;
- }
}
dev->iram.size = dev->devtype->iram_size;
diff --git a/drivers/media/platform/coda/coda-jpeg.c b/drivers/media/platform/coda/coda-jpeg.c
index 8fa3e353f9e2..11e734bc2cbd 100644
--- a/drivers/media/platform/coda/coda-jpeg.c
+++ b/drivers/media/platform/coda/coda-jpeg.c
@@ -13,6 +13,7 @@
#include <linux/swab.h>
#include "coda.h"
+#include "trace.h"
#define SOI_MARKER 0xffd8
#define EOI_MARKER 0xffd9
diff --git a/drivers/media/platform/coda/coda.h b/drivers/media/platform/coda/coda.h
index 0c35cd5032ff..6a5c8f6c688e 100644
--- a/drivers/media/platform/coda/coda.h
+++ b/drivers/media/platform/coda/coda.h
@@ -12,6 +12,9 @@
* (at your option) any later version.
*/
+#ifndef __CODA_H__
+#define __CODA_H__
+
#include <linux/debugfs.h>
#include <linux/irqreturn.h>
#include <linux/mutex.h>
@@ -26,7 +29,6 @@
#include "coda_regs.h"
#define CODA_MAX_FRAMEBUFFERS 8
-#define CODA_MAX_FRAME_SIZE 0x100000
#define FMO_SLICE_SAVE_BUF_SIZE (32)
enum {
@@ -178,6 +180,7 @@ struct coda_ctx;
struct coda_context_ops {
int (*queue_init)(void *priv, struct vb2_queue *src_vq,
struct vb2_queue *dst_vq);
+ int (*reqbufs)(struct coda_ctx *ctx, struct v4l2_requestbuffers *rb);
int (*start_streaming)(struct coda_ctx *ctx);
int (*prepare_run)(struct coda_ctx *ctx);
void (*finish_run)(struct coda_ctx *ctx);
@@ -249,13 +252,6 @@ int coda_alloc_aux_buf(struct coda_dev *dev, struct coda_aux_buf *buf,
size_t size, const char *name, struct dentry *parent);
void coda_free_aux_buf(struct coda_dev *dev, struct coda_aux_buf *buf);
-static inline int coda_alloc_context_buf(struct coda_ctx *ctx,
- struct coda_aux_buf *buf, size_t size,
- const char *name)
-{
- return coda_alloc_aux_buf(ctx->dev, buf, size, name, ctx->debugfs_entry);
-}
-
int coda_encoder_queue_init(void *priv, struct vb2_queue *src_vq,
struct vb2_queue *dst_vq);
int coda_decoder_queue_init(void *priv, struct vb2_queue *src_vq,
@@ -263,7 +259,7 @@ int coda_decoder_queue_init(void *priv, struct vb2_queue *src_vq,
int coda_hw_reset(struct coda_ctx *ctx);
-void coda_fill_bitstream(struct coda_ctx *ctx);
+void coda_fill_bitstream(struct coda_ctx *ctx, bool streaming);
void coda_set_gdi_regs(struct coda_ctx *ctx);
@@ -284,7 +280,7 @@ const char *coda_product_name(int product);
int coda_check_firmware(struct coda_dev *dev);
-static inline int coda_get_bitstream_payload(struct coda_ctx *ctx)
+static inline unsigned int coda_get_bitstream_payload(struct coda_ctx *ctx)
{
return kfifo_len(&ctx->bitstream_fifo);
}
@@ -301,3 +297,5 @@ extern const struct coda_context_ops coda_bit_encode_ops;
extern const struct coda_context_ops coda_bit_decode_ops;
irqreturn_t coda_irq_handler(int irq, void *data);
+
+#endif /* __CODA_H__ */
diff --git a/drivers/media/platform/coda/trace.h b/drivers/media/platform/coda/trace.h
new file mode 100644
index 000000000000..d1d06cbd1f6a
--- /dev/null
+++ b/drivers/media/platform/coda/trace.h
@@ -0,0 +1,203 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM coda
+
+#if !defined(__CODA_TRACE_H__) || defined(TRACE_HEADER_MULTI_READ)
+#define __CODA_TRACE_H__
+
+#include <linux/tracepoint.h>
+#include <media/videobuf2-core.h>
+
+#include "coda.h"
+
+#define TRACE_SYSTEM_STRING __stringify(TRACE_SYSTEM)
+
+TRACE_EVENT(coda_bit_run,
+ TP_PROTO(struct coda_ctx *ctx, int cmd),
+
+ TP_ARGS(ctx, cmd),
+
+ TP_STRUCT__entry(
+ __field(int, minor)
+ __field(int, ctx)
+ __field(int, cmd)
+ ),
+
+ TP_fast_assign(
+ __entry->minor = ctx->fh.vdev->minor;
+ __entry->ctx = ctx->idx;
+ __entry->cmd = cmd;
+ ),
+
+ TP_printk("minor = %d, ctx = %d, cmd = %d",
+ __entry->minor, __entry->ctx, __entry->cmd)
+);
+
+TRACE_EVENT(coda_bit_done,
+ TP_PROTO(struct coda_ctx *ctx),
+
+ TP_ARGS(ctx),
+
+ TP_STRUCT__entry(
+ __field(int, minor)
+ __field(int, ctx)
+ ),
+
+ TP_fast_assign(
+ __entry->minor = ctx->fh.vdev->minor;
+ __entry->ctx = ctx->idx;
+ ),
+
+ TP_printk("minor = %d, ctx = %d", __entry->minor, __entry->ctx)
+);
+
+TRACE_EVENT(coda_enc_pic_run,
+ TP_PROTO(struct coda_ctx *ctx, struct vb2_buffer *buf),
+
+ TP_ARGS(ctx, buf),
+
+ TP_STRUCT__entry(
+ __field(int, minor)
+ __field(int, index)
+ __field(int, ctx)
+ ),
+
+ TP_fast_assign(
+ __entry->minor = ctx->fh.vdev->minor;
+ __entry->index = buf->v4l2_buf.index;
+ __entry->ctx = ctx->idx;
+ ),
+
+ TP_printk("minor = %d, index = %d, ctx = %d",
+ __entry->minor, __entry->index, __entry->ctx)
+);
+
+TRACE_EVENT(coda_enc_pic_done,
+ TP_PROTO(struct coda_ctx *ctx, struct vb2_buffer *buf),
+
+ TP_ARGS(ctx, buf),
+
+ TP_STRUCT__entry(
+ __field(int, minor)
+ __field(int, index)
+ __field(int, ctx)
+ ),
+
+ TP_fast_assign(
+ __entry->minor = ctx->fh.vdev->minor;
+ __entry->index = buf->v4l2_buf.index;
+ __entry->ctx = ctx->idx;
+ ),
+
+ TP_printk("minor = %d, index = %d, ctx = %d",
+ __entry->minor, __entry->index, __entry->ctx)
+);
+
+TRACE_EVENT(coda_bit_queue,
+ TP_PROTO(struct coda_ctx *ctx, struct vb2_buffer *buf,
+ struct coda_buffer_meta *meta),
+
+ TP_ARGS(ctx, buf, meta),
+
+ TP_STRUCT__entry(
+ __field(int, minor)
+ __field(int, index)
+ __field(int, start)
+ __field(int, end)
+ __field(int, ctx)
+ ),
+
+ TP_fast_assign(
+ __entry->minor = ctx->fh.vdev->minor;
+ __entry->index = buf->v4l2_buf.index;
+ __entry->start = meta->start;
+ __entry->end = meta->end;
+ __entry->ctx = ctx->idx;
+ ),
+
+ TP_printk("minor = %d, index = %d, start = 0x%x, end = 0x%x, ctx = %d",
+ __entry->minor, __entry->index, __entry->start, __entry->end,
+ __entry->ctx)
+);
+
+TRACE_EVENT(coda_dec_pic_run,
+ TP_PROTO(struct coda_ctx *ctx, struct coda_buffer_meta *meta),
+
+ TP_ARGS(ctx, meta),
+
+ TP_STRUCT__entry(
+ __field(int, minor)
+ __field(int, start)
+ __field(int, end)
+ __field(int, ctx)
+ ),
+
+ TP_fast_assign(
+ __entry->minor = ctx->fh.vdev->minor;
+ __entry->start = meta ? meta->start : 0;
+ __entry->end = meta ? meta->end : 0;
+ __entry->ctx = ctx->idx;
+ ),
+
+ TP_printk("minor = %d, start = 0x%x, end = 0x%x, ctx = %d",
+ __entry->minor, __entry->start, __entry->end, __entry->ctx)
+);
+
+TRACE_EVENT(coda_dec_pic_done,
+ TP_PROTO(struct coda_ctx *ctx, struct coda_buffer_meta *meta),
+
+ TP_ARGS(ctx, meta),
+
+ TP_STRUCT__entry(
+ __field(int, minor)
+ __field(int, start)
+ __field(int, end)
+ __field(int, ctx)
+ ),
+
+ TP_fast_assign(
+ __entry->minor = ctx->fh.vdev->minor;
+ __entry->start = meta->start;
+ __entry->end = meta->end;
+ __entry->ctx = ctx->idx;
+ ),
+
+ TP_printk("minor = %d, start = 0x%x, end = 0x%x, ctx = %d",
+ __entry->minor, __entry->start, __entry->end, __entry->ctx)
+);
+
+TRACE_EVENT(coda_dec_rot_done,
+ TP_PROTO(struct coda_ctx *ctx, struct coda_buffer_meta *meta,
+ struct vb2_buffer *buf),
+
+ TP_ARGS(ctx, meta, buf),
+
+ TP_STRUCT__entry(
+ __field(int, minor)
+ __field(int, start)
+ __field(int, end)
+ __field(int, index)
+ __field(int, ctx)
+ ),
+
+ TP_fast_assign(
+ __entry->minor = ctx->fh.vdev->minor;
+ __entry->start = meta->start;
+ __entry->end = meta->end;
+ __entry->index = buf->v4l2_buf.index;
+ __entry->ctx = ctx->idx;
+ ),
+
+ TP_printk("minor = %d, start = 0x%x, end = 0x%x, index = %d, ctx = %d",
+ __entry->minor, __entry->start, __entry->end, __entry->index,
+ __entry->ctx)
+);
+
+#endif /* __CODA_TRACE_H__ */
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE trace
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>