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[media] s5p-mfc: Extract open/close MFC instance commands

Browse Source 
This is in preparation for a new flow to fix issues with streamon, which
should not be allocating buffer memory.

Signed-off-by: Pawel Osciak <posciak@chromium.org>
Signed-off-by: Arun Kumar K <arun.kk@samsung.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Pawel Osciak 2014-05-19 09:32:59 -03:00 committed by Mauro Carvalho Chehab
parent 38beac65a2
commit 818cd91ab8
5 changed files with 74 additions and 55 deletions
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19
drivers/media/platform/s5p-mfc/s5p_mfc.c
View File

@ -877,24 +877,7 @@ static int s5p_mfc_release(struct file *file)
* return instance and free resources */
if (ctx->inst_no != MFC_NO_INSTANCE_SET) {
mfc_debug(2, "Has to free instance\n");
ctx->state = MFCINST_RETURN_INST;
set_work_bit_irqsave(ctx);
s5p_mfc_clean_ctx_int_flags(ctx);
s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
/* Wait until instance is returned or timeout occurred */
if (s5p_mfc_wait_for_done_ctx
(ctx, S5P_MFC_R2H_CMD_CLOSE_INSTANCE_RET, 0)) {
s5p_mfc_clock_off();
mfc_err("Err returning instance\n");
}
mfc_debug(2, "After free instance\n");
/* Free resources */
s5p_mfc_hw_call(dev->mfc_ops, release_codec_buffers, ctx);
s5p_mfc_hw_call(dev->mfc_ops, release_instance_buffer, ctx);
if (ctx->type == MFCINST_DECODER)
s5p_mfc_hw_call(dev->mfc_ops, release_dec_desc_buffer,
ctx);
s5p_mfc_close_mfc_inst(dev, ctx);
ctx->inst_no = MFC_NO_INSTANCE_SET;
}
/* hardware locking scheme */

61
drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c
View File

@ -400,3 +400,64 @@ int s5p_mfc_wakeup(struct s5p_mfc_dev *dev)
return 0;
}
int s5p_mfc_open_mfc_inst(struct s5p_mfc_dev *dev, struct s5p_mfc_ctx *ctx)
{
int ret = 0;
ret = s5p_mfc_hw_call(dev->mfc_ops, alloc_instance_buffer, ctx);
if (ret) {
mfc_err("Failed allocating instance buffer\n");
goto err;
}
if (ctx->type == MFCINST_DECODER) {
ret = s5p_mfc_hw_call(dev->mfc_ops,
alloc_dec_temp_buffers, ctx);
if (ret) {
mfc_err("Failed allocating temporary buffers\n");
goto err_free_inst_buf;
}
}
set_work_bit_irqsave(ctx);
s5p_mfc_clean_ctx_int_flags(ctx);
s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
if (s5p_mfc_wait_for_done_ctx(ctx,
S5P_MFC_R2H_CMD_OPEN_INSTANCE_RET, 0)) {
/* Error or timeout */
mfc_err("Error getting instance from hardware\n");
ret = -EIO;
goto err_free_desc_buf;
}
mfc_debug(2, "Got instance number: %d\n", ctx->inst_no);
return ret;
err_free_desc_buf:
if (ctx->type == MFCINST_DECODER)
s5p_mfc_hw_call(dev->mfc_ops, release_dec_desc_buffer, ctx);
err_free_inst_buf:
s5p_mfc_hw_call(dev->mfc_ops, release_instance_buffer, ctx);
err:
return ret;
}
void s5p_mfc_close_mfc_inst(struct s5p_mfc_dev *dev, struct s5p_mfc_ctx *ctx)
{
ctx->state = MFCINST_RETURN_INST;
set_work_bit_irqsave(ctx);
s5p_mfc_clean_ctx_int_flags(ctx);
s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
/* Wait until instance is returned or timeout occurred */
if (s5p_mfc_wait_for_done_ctx(ctx,
S5P_MFC_R2H_CMD_CLOSE_INSTANCE_RET, 0))
mfc_err("Err returning instance\n");
/* Free resources */
s5p_mfc_hw_call(dev->mfc_ops, release_codec_buffers, ctx);
s5p_mfc_hw_call(dev->mfc_ops, release_instance_buffer, ctx);
if (ctx->type == MFCINST_DECODER)
s5p_mfc_hw_call(dev->mfc_ops, release_dec_desc_buffer, ctx);
ctx->state = MFCINST_FREE;
}

3
drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.h
View File

@ -28,4 +28,7 @@ int s5p_mfc_wakeup(struct s5p_mfc_dev *dev);
int s5p_mfc_reset(struct s5p_mfc_dev *dev);
int s5p_mfc_open_mfc_inst(struct s5p_mfc_dev *dev, struct s5p_mfc_ctx *ctx);
void s5p_mfc_close_mfc_inst(struct s5p_mfc_dev *dev, struct s5p_mfc_ctx *ctx);
#endif /* S5P_MFC_CTRL_H */

28
drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
View File

@ -25,6 +25,7 @@
#include <media/v4l2-event.h>
#include <media/videobuf2-core.h>
#include "s5p_mfc_common.h"
#include "s5p_mfc_ctrl.h"
#include "s5p_mfc_debug.h"
#include "s5p_mfc_dec.h"
#include "s5p_mfc_intr.h"
@ -674,36 +675,19 @@ static int vidioc_streamon(struct file *file, void *priv,
mfc_debug_enter();
if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
if (ctx->state == MFCINST_INIT) {
ctx->dst_bufs_cnt = 0;
ctx->src_bufs_cnt = 0;
ctx->capture_state = QUEUE_FREE;
ctx->output_state = QUEUE_FREE;
s5p_mfc_hw_call(dev->mfc_ops, alloc_instance_buffer,
ctx);
s5p_mfc_hw_call(dev->mfc_ops, alloc_dec_temp_buffers,
ctx);
set_work_bit_irqsave(ctx);
s5p_mfc_clean_ctx_int_flags(ctx);
s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
if (s5p_mfc_wait_for_done_ctx(ctx,
S5P_MFC_R2H_CMD_OPEN_INSTANCE_RET, 0)) {
/* Error or timeout */
mfc_err("Error getting instance from hardware\n");
s5p_mfc_hw_call(dev->mfc_ops,
release_instance_buffer, ctx);
s5p_mfc_hw_call(dev->mfc_ops,
release_dec_desc_buffer, ctx);
return -EIO;
}
mfc_debug(2, "Got instance number: %d\n", ctx->inst_no);
ret = s5p_mfc_open_mfc_inst(dev, ctx);
if (ret)
return ret;
}
ret = vb2_streamon(&ctx->vq_src, type);
}
else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
} else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
ret = vb2_streamon(&ctx->vq_dst, type);
}
mfc_debug_leave();
return ret;
}

18
drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
View File

@ -26,6 +26,7 @@
#include <media/v4l2-ctrls.h>
#include <media/videobuf2-core.h>
#include "s5p_mfc_common.h"
#include "s5p_mfc_ctrl.h"
#include "s5p_mfc_debug.h"
#include "s5p_mfc_enc.h"
#include "s5p_mfc_intr.h"
@ -1106,20 +1107,7 @@ static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
pix_fmt_mp->plane_fmt[0].bytesperline = 0;
ctx->dst_bufs_cnt = 0;
ctx->capture_state = QUEUE_FREE;
s5p_mfc_hw_call(dev->mfc_ops, alloc_instance_buffer, ctx);
set_work_bit_irqsave(ctx);
s5p_mfc_clean_ctx_int_flags(ctx);
s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
if (s5p_mfc_wait_for_done_ctx(ctx, \
S5P_MFC_R2H_CMD_OPEN_INSTANCE_RET, 1)) {
/* Error or timeout */
mfc_err("Error getting instance from hardware\n");
s5p_mfc_hw_call(dev->mfc_ops, release_instance_buffer,
ctx);
ret = -EIO;
goto out;
}
mfc_debug(2, "Got instance number: %d\n", ctx->inst_no);
ret = s5p_mfc_open_mfc_inst(dev, ctx);
} else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
/* src_fmt is validated by call to vidioc_try_fmt */
ctx->src_fmt = find_format(f, MFC_FMT_RAW);
@ -1140,7 +1128,7 @@ static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
ctx->output_state = QUEUE_FREE;
} else {
mfc_err("invalid buf type\n");
return -EINVAL;
ret = -EINVAL;
}
out:
mfc_debug_leave();