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path: root/drivers/media/platform/s5p-fimc/fimc-m2m.c
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Diffstat (limited to 'drivers/media/platform/s5p-fimc/fimc-m2m.c')
-rw-r--r--drivers/media/platform/s5p-fimc/fimc-m2m.c136
1 files changed, 76 insertions, 60 deletions
diff --git a/drivers/media/platform/s5p-fimc/fimc-m2m.c b/drivers/media/platform/s5p-fimc/fimc-m2m.c
index 1d21da4bd24b..f3d535cdd87f 100644
--- a/drivers/media/platform/s5p-fimc/fimc-m2m.c
+++ b/drivers/media/platform/s5p-fimc/fimc-m2m.c
@@ -1,8 +1,8 @@
/*
* Samsung S5P/EXYNOS4 SoC series FIMC (video postprocessor) driver
*
- * Copyright (C) 2012 Samsung Electronics Co., Ltd.
- * Sylwester Nawrocki, <s.nawrocki@samsung.com>
+ * Copyright (C) 2012 - 2013 Samsung Electronics Co., Ltd.
+ * Sylwester Nawrocki <s.nawrocki@samsung.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published
@@ -160,8 +160,7 @@ static void fimc_device_run(void *priv)
fimc_hw_set_output_addr(fimc, &df->paddr, -1);
fimc_activate_capture(ctx);
- ctx->state &= (FIMC_CTX_M2M | FIMC_CTX_CAP |
- FIMC_SRC_FMT | FIMC_DST_FMT);
+ ctx->state &= (FIMC_CTX_M2M | FIMC_CTX_CAP);
fimc_hw_activate_input_dma(fimc, true);
dma_unlock:
@@ -294,13 +293,14 @@ static int fimc_m2m_g_fmt_mplane(struct file *file, void *fh,
if (IS_ERR(frame))
return PTR_ERR(frame);
- return fimc_fill_format(frame, f);
+ __fimc_get_format(frame, f);
+ return 0;
}
static int fimc_try_fmt_mplane(struct fimc_ctx *ctx, struct v4l2_format *f)
{
struct fimc_dev *fimc = ctx->fimc_dev;
- struct fimc_variant *variant = fimc->variant;
+ const struct fimc_variant *variant = fimc->variant;
struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp;
struct fimc_fmt *fmt;
u32 max_w, mod_x, mod_y;
@@ -308,8 +308,6 @@ static int fimc_try_fmt_mplane(struct fimc_ctx *ctx, struct v4l2_format *f)
if (!IS_M2M(f->type))
return -EINVAL;
- dbg("w: %d, h: %d", pix->width, pix->height);
-
fmt = fimc_find_format(&pix->pixelformat, NULL,
get_m2m_fmt_flags(f->type), 0);
if (WARN(fmt == NULL, "Pixel format lookup failed"))
@@ -349,19 +347,39 @@ static int fimc_m2m_try_fmt_mplane(struct file *file, void *fh,
struct v4l2_format *f)
{
struct fimc_ctx *ctx = fh_to_ctx(fh);
-
return fimc_try_fmt_mplane(ctx, f);
}
+static void __set_frame_format(struct fimc_frame *frame, struct fimc_fmt *fmt,
+ struct v4l2_pix_format_mplane *pixm)
+{
+ int i;
+
+ for (i = 0; i < fmt->colplanes; i++) {
+ frame->bytesperline[i] = pixm->plane_fmt[i].bytesperline;
+ frame->payload[i] = pixm->plane_fmt[i].sizeimage;
+ }
+
+ frame->f_width = pixm->width;
+ frame->f_height = pixm->height;
+ frame->o_width = pixm->width;
+ frame->o_height = pixm->height;
+ frame->width = pixm->width;
+ frame->height = pixm->height;
+ frame->offs_h = 0;
+ frame->offs_v = 0;
+ frame->fmt = fmt;
+}
+
static int fimc_m2m_s_fmt_mplane(struct file *file, void *fh,
struct v4l2_format *f)
{
struct fimc_ctx *ctx = fh_to_ctx(fh);
struct fimc_dev *fimc = ctx->fimc_dev;
+ struct fimc_fmt *fmt;
struct vb2_queue *vq;
struct fimc_frame *frame;
- struct v4l2_pix_format_mplane *pix;
- int i, ret = 0;
+ int ret;
ret = fimc_try_fmt_mplane(ctx, f);
if (ret)
@@ -379,31 +397,16 @@ static int fimc_m2m_s_fmt_mplane(struct file *file, void *fh,
else
frame = &ctx->d_frame;
- pix = &f->fmt.pix_mp;
- frame->fmt = fimc_find_format(&pix->pixelformat, NULL,
- get_m2m_fmt_flags(f->type), 0);
- if (!frame->fmt)
+ fmt = fimc_find_format(&f->fmt.pix_mp.pixelformat, NULL,
+ get_m2m_fmt_flags(f->type), 0);
+ if (!fmt)
return -EINVAL;
+ __set_frame_format(frame, fmt, &f->fmt.pix_mp);
+
/* Update RGB Alpha control state and value range */
fimc_alpha_ctrl_update(ctx);
- for (i = 0; i < frame->fmt->colplanes; i++) {
- frame->payload[i] =
- (pix->width * pix->height * frame->fmt->depth[i]) / 8;
- }
-
- fimc_fill_frame(frame, f);
-
- ctx->scaler.enabled = 1;
-
- if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
- fimc_ctx_state_set(FIMC_PARAMS | FIMC_DST_FMT, ctx);
- else
- fimc_ctx_state_set(FIMC_PARAMS | FIMC_SRC_FMT, ctx);
-
- dbg("f_w: %d, f_h: %d", frame->f_width, frame->f_height);
-
return 0;
}
@@ -411,7 +414,6 @@ static int fimc_m2m_reqbufs(struct file *file, void *fh,
struct v4l2_requestbuffers *reqbufs)
{
struct fimc_ctx *ctx = fh_to_ctx(fh);
-
return v4l2_m2m_reqbufs(file, ctx->m2m_ctx, reqbufs);
}
@@ -419,7 +421,6 @@ static int fimc_m2m_querybuf(struct file *file, void *fh,
struct v4l2_buffer *buf)
{
struct fimc_ctx *ctx = fh_to_ctx(fh);
-
return v4l2_m2m_querybuf(file, ctx->m2m_ctx, buf);
}
@@ -427,7 +428,6 @@ static int fimc_m2m_qbuf(struct file *file, void *fh,
struct v4l2_buffer *buf)
{
struct fimc_ctx *ctx = fh_to_ctx(fh);
-
return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf);
}
@@ -435,7 +435,6 @@ static int fimc_m2m_dqbuf(struct file *file, void *fh,
struct v4l2_buffer *buf)
{
struct fimc_ctx *ctx = fh_to_ctx(fh);
-
return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf);
}
@@ -443,7 +442,6 @@ static int fimc_m2m_expbuf(struct file *file, void *fh,
struct v4l2_exportbuffer *eb)
{
struct fimc_ctx *ctx = fh_to_ctx(fh);
-
return v4l2_m2m_expbuf(file, ctx->m2m_ctx, eb);
}
@@ -452,15 +450,6 @@ static int fimc_m2m_streamon(struct file *file, void *fh,
enum v4l2_buf_type type)
{
struct fimc_ctx *ctx = fh_to_ctx(fh);
-
- /* The source and target color format need to be set */
- if (V4L2_TYPE_IS_OUTPUT(type)) {
- if (!fimc_ctx_state_is_set(FIMC_SRC_FMT, ctx))
- return -EINVAL;
- } else if (!fimc_ctx_state_is_set(FIMC_DST_FMT, ctx)) {
- return -EINVAL;
- }
-
return v4l2_m2m_streamon(file, ctx->m2m_ctx, type);
}
@@ -468,7 +457,6 @@ static int fimc_m2m_streamoff(struct file *file, void *fh,
enum v4l2_buf_type type)
{
struct fimc_ctx *ctx = fh_to_ctx(fh);
-
return v4l2_m2m_streamoff(file, ctx->m2m_ctx, type);
}
@@ -576,20 +564,18 @@ static int fimc_m2m_s_crop(struct file *file, void *fh, const struct v4l2_crop *
&ctx->s_frame : &ctx->d_frame;
/* Check to see if scaling ratio is within supported range */
- if (fimc_ctx_state_is_set(FIMC_DST_FMT | FIMC_SRC_FMT, ctx)) {
- if (cr.type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
- ret = fimc_check_scaler_ratio(ctx, cr.c.width,
- cr.c.height, ctx->d_frame.width,
- ctx->d_frame.height, ctx->rotation);
- } else {
- ret = fimc_check_scaler_ratio(ctx, ctx->s_frame.width,
- ctx->s_frame.height, cr.c.width,
- cr.c.height, ctx->rotation);
- }
- if (ret) {
- v4l2_err(&fimc->m2m.vfd, "Out of scaler range\n");
- return -EINVAL;
- }
+ if (cr.type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+ ret = fimc_check_scaler_ratio(ctx, cr.c.width,
+ cr.c.height, ctx->d_frame.width,
+ ctx->d_frame.height, ctx->rotation);
+ } else {
+ ret = fimc_check_scaler_ratio(ctx, ctx->s_frame.width,
+ ctx->s_frame.height, cr.c.width,
+ cr.c.height, ctx->rotation);
+ }
+ if (ret) {
+ v4l2_err(&fimc->m2m.vfd, "Out of scaler range\n");
+ return -EINVAL;
}
f->offs_h = cr.c.left;
@@ -652,6 +638,29 @@ static int queue_init(void *priv, struct vb2_queue *src_vq,
return vb2_queue_init(dst_vq);
}
+static int fimc_m2m_set_default_format(struct fimc_ctx *ctx)
+{
+ struct v4l2_pix_format_mplane pixm = {
+ .pixelformat = V4L2_PIX_FMT_RGB32,
+ .width = 800,
+ .height = 600,
+ .plane_fmt[0] = {
+ .bytesperline = 800 * 4,
+ .sizeimage = 800 * 4 * 600,
+ },
+ };
+ struct fimc_fmt *fmt;
+
+ fmt = fimc_find_format(&pixm.pixelformat, NULL, FMT_FLAGS_M2M, 0);
+ if (!fmt)
+ return -EINVAL;
+
+ __set_frame_format(&ctx->s_frame, fmt, &pixm);
+ __set_frame_format(&ctx->d_frame, fmt, &pixm);
+
+ return 0;
+}
+
static int fimc_m2m_open(struct file *file)
{
struct fimc_dev *fimc = video_drvdata(file);
@@ -696,6 +705,7 @@ static int fimc_m2m_open(struct file *file)
ctx->flags = 0;
ctx->in_path = FIMC_IO_DMA;
ctx->out_path = FIMC_IO_DMA;
+ ctx->scaler.enabled = 1;
ctx->m2m_ctx = v4l2_m2m_ctx_init(fimc->m2m.m2m_dev, ctx, queue_init);
if (IS_ERR(ctx->m2m_ctx)) {
@@ -706,9 +716,15 @@ static int fimc_m2m_open(struct file *file)
if (fimc->m2m.refcnt++ == 0)
set_bit(ST_M2M_RUN, &fimc->state);
+ ret = fimc_m2m_set_default_format(ctx);
+ if (ret < 0)
+ goto error_m2m_ctx;
+
mutex_unlock(&fimc->lock);
return 0;
+error_m2m_ctx:
+ v4l2_m2m_ctx_release(ctx->m2m_ctx);
error_c:
fimc_ctrls_delete(ctx);
error_fh: