/*
* Samsung S5P/EXYNOS4 SoC series camera interface (camera capture) driver
*
- * Copyright (C) 2010 - 2011 Samsung Electronics Co., Ltd.
- * Author: Sylwester Nawrocki, <s.nawrocki@samsung.com>
+ * Copyright (C) 2010 - 2012 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 version 2 as
#include "fimc-core.h"
#include "fimc-reg.h"
-static int fimc_init_capture(struct fimc_dev *fimc)
+static int fimc_capture_hw_init(struct fimc_dev *fimc)
{
struct fimc_ctx *ctx = fimc->vid_cap.ctx;
struct fimc_pipeline *p = &fimc->pipeline;
fimc_hw_set_mainscaler(ctx);
fimc_hw_set_target_format(ctx);
fimc_hw_set_rotation(ctx);
- fimc_hw_set_effect(ctx, false);
+ fimc_hw_set_effect(ctx);
fimc_hw_set_output_path(ctx);
fimc_hw_set_out_dma(ctx);
if (fimc->variant->has_alpha)
return ret;
}
+/*
+ * Reinitialize the driver so it is ready to start the streaming again.
+ * Set fimc->state to indicate stream off and the hardware shut down state.
+ * If not suspending (@suspend is false), return any buffers to videobuf2.
+ * Otherwise put any owned buffers onto the pending buffers queue, so they
+ * can be re-spun when the device is being resumed. Also perform FIMC
+ * software reset and disable streaming on the whole pipeline if required.
+ */
static int fimc_capture_state_cleanup(struct fimc_dev *fimc, bool suspend)
{
struct fimc_vid_cap *cap = &fimc->vid_cap;
struct fimc_dev *fimc = ctx->fimc_dev;
int ret;
- if (!test_bit(ST_CAPT_APPLY_CFG, &fimc->state))
- return 0;
-
fimc_hw_set_camera_offset(fimc, &ctx->s_frame);
ret = fimc_set_scaler_info(ctx);
fimc_hw_set_mainscaler(ctx);
fimc_hw_set_target_format(ctx);
fimc_hw_set_rotation(ctx);
+ fimc_hw_set_effect(ctx);
fimc_prepare_dma_offset(ctx, &ctx->d_frame);
fimc_hw_set_out_dma(ctx);
if (fimc->variant->has_alpha)
set_bit(ST_CAPT_RUN, &fimc->state);
}
- fimc_capture_config_update(cap->ctx);
+ if (test_bit(ST_CAPT_APPLY_CFG, &fimc->state))
+ fimc_capture_config_update(cap->ctx);
done:
if (cap->active_buf_cnt == 1) {
fimc_deactivate_capture(fimc);
vid_cap->frame_count = 0;
- ret = fimc_init_capture(fimc);
- if (ret)
- goto error;
+ ret = fimc_capture_hw_init(fimc);
+ if (ret) {
+ fimc_capture_state_cleanup(fimc, false);
+ return ret;
+ }
set_bit(ST_CAPT_PEND, &fimc->state);
}
return 0;
-error:
- fimc_capture_state_cleanup(fimc, false);
- return ret;
}
static int stop_streaming(struct vb2_queue *q)
vid_cap->buf_index = 0;
fimc_pipeline_initialize(&fimc->pipeline, &vid_cap->vfd->entity,
false);
- fimc_init_capture(fimc);
+ fimc_capture_hw_init(fimc);
clear_bit(ST_CAPT_SUSPENDED, &fimc->state);
if (pixm)
sizes[i] = max(size, pixm->plane_fmt[i].sizeimage);
else
- sizes[i] = size;
+ sizes[i] = max_t(u32, size, frame->payload[i]);
+
allocators[i] = ctx->fimc_dev->alloc_ctx;
}
if (WARN_ON(vid_cap->ctx == NULL))
return -ENXIO;
- if (vid_cap->ctx->ctrls_rdy)
+ if (vid_cap->ctx->ctrls.ready)
return 0;
ret = fimc_ctrls_create(vid_cap->ctx);
- if (ret || vid_cap->user_subdev_api)
+ if (ret || vid_cap->user_subdev_api || !vid_cap->ctx->ctrls.ready)
return ret;
- return v4l2_ctrl_add_handler(&vid_cap->ctx->ctrl_handler,
+ return v4l2_ctrl_add_handler(&vid_cap->ctx->ctrls.handler,
fimc->pipeline.subdevs[IDX_SENSOR]->ctrl_handler);
}
if (ret < 0) {
dev_err(&fimc->pdev->dev,
"Video pipeline initialization failed\n");
+ clear_bit(ST_CAPT_BUSY, &fimc->state);
pm_runtime_put_sync(&fimc->pdev->dev);
fimc->vid_cap.refcnt--;
v4l2_fh_release(file);
- clear_bit(ST_CAPT_BUSY, &fimc->state);
return ret;
}
ret = fimc_capture_ctrls_create(fimc);
{
bool rotation = ctx->rotation == 90 || ctx->rotation == 270;
struct fimc_dev *fimc = ctx->fimc_dev;
- struct samsung_fimc_variant *var = fimc->variant;
+ struct fimc_variant *var = fimc->variant;
struct fimc_pix_limit *pl = var->pix_limit;
struct fimc_frame *dst = &ctx->d_frame;
u32 depth, min_w, max_w, min_h, align_h = 3;
}
/* Apply the scaler and the output DMA constraints */
max_w = rotation ? pl->out_rot_en_w : pl->out_rot_dis_w;
- min_w = ctx->state & FIMC_DST_CROP ? dst->width : var->min_out_pixsize;
- min_h = ctx->state & FIMC_DST_CROP ? dst->height : var->min_out_pixsize;
+ if (ctx->state & FIMC_COMPOSE) {
+ min_w = dst->offs_h + dst->width;
+ min_h = dst->offs_v + dst->height;
+ } else {
+ min_w = var->min_out_pixsize;
+ min_h = var->min_out_pixsize;
+ }
if (var->min_vsize_align == 1 && !rotation)
align_h = fimc_fmt_is_rgb(ffmt->color) ? 0 : 1;
return ffmt;
}
-static void fimc_capture_try_crop(struct fimc_ctx *ctx, struct v4l2_rect *r,
- int pad)
+static void fimc_capture_try_selection(struct fimc_ctx *ctx,
+ struct v4l2_rect *r,
+ int target)
{
bool rotate = ctx->rotation == 90 || ctx->rotation == 270;
struct fimc_dev *fimc = ctx->fimc_dev;
- struct samsung_fimc_variant *var = fimc->variant;
+ struct fimc_variant *var = fimc->variant;
struct fimc_pix_limit *pl = var->pix_limit;
struct fimc_frame *sink = &ctx->s_frame;
u32 max_w, max_h, min_w = 0, min_h = 0, min_sz;
r->left = r->top = 0;
return;
}
- if (pad == FIMC_SD_PAD_SOURCE) {
+ if (target == V4L2_SEL_TGT_COMPOSE_ACTIVE) {
if (ctx->rotation != 90 && ctx->rotation != 270)
align_h = 1;
max_sc_h = min(SCALER_MAX_HRATIO, 1 << (ffs(sink->width) - 3));
max_sc_h = max_sc_v = 1;
}
/*
- * For the crop rectangle at source pad the following constraints
- * must be met:
+ * For the compose rectangle the following constraints must be met:
* - it must fit in the sink pad format rectangle (f_width/f_height);
* - maximum downscaling ratio is 64;
* - maximum crop size depends if the rotator is used or not;
rotate ? pl->out_rot_en_w : pl->out_rot_dis_w,
rotate ? sink->f_height : sink->f_width);
max_h = min_t(u32, FIMC_CAMIF_MAX_HEIGHT, sink->f_height);
- if (pad == FIMC_SD_PAD_SOURCE) {
+
+ if (target == V4L2_SEL_TGT_COMPOSE_ACTIVE) {
min_w = min_t(u32, max_w, sink->f_width / max_sc_h);
min_h = min_t(u32, max_h, sink->f_height / max_sc_v);
if (rotate) {
v4l_bound_align_image(&r->width, min_w, max_w, ffs(min_sz) - 1,
&r->height, min_h, max_h, align_h,
align_sz);
- /* Adjust left/top if cropping rectangle is out of bounds */
+ /* Adjust left/top if crop/compose rectangle is out of bounds */
r->left = clamp_t(u32, r->left, 0, sink->f_width - r->width);
r->top = clamp_t(u32, r->top, 0, sink->f_height - r->height);
r->left = round_down(r->left, var->hor_offs_align);
- dbg("pad%d: (%d,%d)/%dx%d, sink fmt: %dx%d",
- pad, r->left, r->top, r->width, r->height,
+ dbg("target %#x: (%d,%d)/%dx%d, sink fmt: %dx%d",
+ target, r->left, r->top, r->width, r->height,
sink->f_width, sink->f_height);
}
struct fimc_dev *fimc = video_drvdata(file);
struct fimc_ctx *ctx = fimc->vid_cap.ctx;
- if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
- return -EINVAL;
-
return fimc_fill_format(&ctx->d_frame, f);
}
struct v4l2_mbus_framefmt mf;
struct fimc_fmt *ffmt = NULL;
- if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
- return -EINVAL;
-
if (pix->pixelformat == V4L2_PIX_FMT_JPEG) {
fimc_capture_try_format(ctx, &pix->width, &pix->height,
NULL, &pix->pixelformat,
struct fimc_fmt *s_fmt = NULL;
int ret, i;
- if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
- return -EINVAL;
if (vb2_is_busy(&fimc->vid_cap.vbq))
return -EBUSY;
pix->width = mf->width;
pix->height = mf->height;
}
+
fimc_adjust_mplane_format(ff->fmt, pix->width, pix->height, pix);
for (i = 0; i < ff->fmt->colplanes; i++)
- ff->payload[i] =
- (pix->width * pix->height * ff->fmt->depth[i]) / 8;
+ ff->payload[i] = pix->plane_fmt[i].sizeimage;
set_frame_bounds(ff, pix->width, pix->height);
/* Reset the composition rectangle if not yet configured */
- if (!(ctx->state & FIMC_DST_CROP))
+ if (!(ctx->state & FIMC_COMPOSE))
set_frame_crop(ff, 0, 0, pix->width, pix->height);
fimc_capture_mark_jpeg_xfer(ctx, fimc_fmt_is_jpeg(ff->fmt->color));
struct v4l2_rect rect = s->r;
struct fimc_frame *f;
unsigned long flags;
- unsigned int pad;
if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
return -EINVAL;
- switch (s->target) {
- case V4L2_SEL_TGT_COMPOSE_DEFAULT:
- case V4L2_SEL_TGT_COMPOSE_BOUNDS:
- case V4L2_SEL_TGT_COMPOSE_ACTIVE:
+ if (s->target == V4L2_SEL_TGT_COMPOSE_ACTIVE)
f = &ctx->d_frame;
- pad = FIMC_SD_PAD_SOURCE;
- break;
- case V4L2_SEL_TGT_CROP_BOUNDS:
- case V4L2_SEL_TGT_CROP_DEFAULT:
- case V4L2_SEL_TGT_CROP_ACTIVE:
+ else if (s->target == V4L2_SEL_TGT_CROP_ACTIVE)
f = &ctx->s_frame;
- pad = FIMC_SD_PAD_SINK;
- break;
- default:
+ else
return -EINVAL;
- }
- fimc_capture_try_crop(ctx, &rect, pad);
+ fimc_capture_try_selection(ctx, &rect, s->target);
if (s->flags & V4L2_SEL_FLAG_LE &&
!enclosed_rectangle(&rect, &s->r))
ff->fmt = ffmt;
/* Reset the crop rectangle if required. */
- if (!(fmt->pad == FIMC_SD_PAD_SOURCE && (ctx->state & FIMC_DST_CROP)))
+ if (!(fmt->pad == FIMC_SD_PAD_SOURCE && (ctx->state & FIMC_COMPOSE)))
set_frame_crop(ff, 0, 0, mf->width, mf->height);
if (fmt->pad == FIMC_SD_PAD_SINK)
- ctx->state &= ~FIMC_DST_CROP;
+ ctx->state &= ~FIMC_COMPOSE;
mutex_unlock(&fimc->lock);
return 0;
}
-static int fimc_subdev_get_crop(struct v4l2_subdev *sd,
- struct v4l2_subdev_fh *fh,
- struct v4l2_subdev_crop *crop)
+static int fimc_subdev_get_selection(struct v4l2_subdev *sd,
+ struct v4l2_subdev_fh *fh,
+ struct v4l2_subdev_selection *sel)
{
struct fimc_dev *fimc = v4l2_get_subdevdata(sd);
struct fimc_ctx *ctx = fimc->vid_cap.ctx;
- struct v4l2_rect *r = &crop->rect;
- struct fimc_frame *ff;
+ struct fimc_frame *f = &ctx->s_frame;
+ struct v4l2_rect *r = &sel->r;
+ struct v4l2_rect *try_sel;
+
+ if (sel->pad != FIMC_SD_PAD_SINK)
+ return -EINVAL;
- if (crop->which == V4L2_SUBDEV_FORMAT_TRY) {
- crop->rect = *v4l2_subdev_get_try_crop(fh, crop->pad);
+ mutex_lock(&fimc->lock);
+
+ switch (sel->target) {
+ case V4L2_SUBDEV_SEL_TGT_COMPOSE_BOUNDS:
+ f = &ctx->d_frame;
+ case V4L2_SUBDEV_SEL_TGT_CROP_BOUNDS:
+ r->width = f->o_width;
+ r->height = f->o_height;
+ r->left = 0;
+ r->top = 0;
+ mutex_unlock(&fimc->lock);
return 0;
+
+ case V4L2_SUBDEV_SEL_TGT_CROP_ACTUAL:
+ try_sel = v4l2_subdev_get_try_crop(fh, sel->pad);
+ break;
+ case V4L2_SUBDEV_SEL_TGT_COMPOSE_ACTUAL:
+ try_sel = v4l2_subdev_get_try_compose(fh, sel->pad);
+ f = &ctx->d_frame;
+ break;
+ default:
+ mutex_unlock(&fimc->lock);
+ return -EINVAL;
}
- ff = crop->pad == FIMC_SD_PAD_SINK ?
- &ctx->s_frame : &ctx->d_frame;
- mutex_lock(&fimc->lock);
- r->left = ff->offs_h;
- r->top = ff->offs_v;
- r->width = ff->width;
- r->height = ff->height;
- mutex_unlock(&fimc->lock);
+ if (sel->which == V4L2_SUBDEV_FORMAT_TRY) {
+ sel->r = *try_sel;
+ } else {
+ r->left = f->offs_h;
+ r->top = f->offs_v;
+ r->width = f->width;
+ r->height = f->height;
+ }
- dbg("ff:%p, pad%d: l:%d, t:%d, %dx%d, f_w: %d, f_h: %d",
- ff, crop->pad, r->left, r->top, r->width, r->height,
- ff->f_width, ff->f_height);
+ dbg("target %#x: l:%d, t:%d, %dx%d, f_w: %d, f_h: %d",
+ sel->pad, r->left, r->top, r->width, r->height,
+ f->f_width, f->f_height);
+ mutex_unlock(&fimc->lock);
return 0;
}
-static int fimc_subdev_set_crop(struct v4l2_subdev *sd,
- struct v4l2_subdev_fh *fh,
- struct v4l2_subdev_crop *crop)
+static int fimc_subdev_set_selection(struct v4l2_subdev *sd,
+ struct v4l2_subdev_fh *fh,
+ struct v4l2_subdev_selection *sel)
{
struct fimc_dev *fimc = v4l2_get_subdevdata(sd);
struct fimc_ctx *ctx = fimc->vid_cap.ctx;
- struct v4l2_rect *r = &crop->rect;
- struct fimc_frame *ff;
+ struct fimc_frame *f = &ctx->s_frame;
+ struct v4l2_rect *r = &sel->r;
+ struct v4l2_rect *try_sel;
unsigned long flags;
- dbg("(%d,%d)/%dx%d", r->left, r->top, r->width, r->height);
-
- ff = crop->pad == FIMC_SD_PAD_SOURCE ?
- &ctx->d_frame : &ctx->s_frame;
+ if (sel->pad != FIMC_SD_PAD_SINK)
+ return -EINVAL;
mutex_lock(&fimc->lock);
- fimc_capture_try_crop(ctx, r, crop->pad);
+ fimc_capture_try_selection(ctx, r, V4L2_SEL_TGT_CROP_ACTIVE);
- if (crop->which == V4L2_SUBDEV_FORMAT_TRY) {
+ switch (sel->target) {
+ case V4L2_SUBDEV_SEL_TGT_COMPOSE_BOUNDS:
+ f = &ctx->d_frame;
+ case V4L2_SUBDEV_SEL_TGT_CROP_BOUNDS:
+ r->width = f->o_width;
+ r->height = f->o_height;
+ r->left = 0;
+ r->top = 0;
mutex_unlock(&fimc->lock);
- *v4l2_subdev_get_try_crop(fh, crop->pad) = *r;
return 0;
+
+ case V4L2_SUBDEV_SEL_TGT_CROP_ACTUAL:
+ try_sel = v4l2_subdev_get_try_crop(fh, sel->pad);
+ break;
+ case V4L2_SUBDEV_SEL_TGT_COMPOSE_ACTUAL:
+ try_sel = v4l2_subdev_get_try_compose(fh, sel->pad);
+ f = &ctx->d_frame;
+ break;
+ default:
+ mutex_unlock(&fimc->lock);
+ return -EINVAL;
}
- spin_lock_irqsave(&fimc->slock, flags);
- set_frame_crop(ff, r->left, r->top, r->width, r->height);
- if (crop->pad == FIMC_SD_PAD_SOURCE)
- ctx->state |= FIMC_DST_CROP;
- set_bit(ST_CAPT_APPLY_CFG, &fimc->state);
- spin_unlock_irqrestore(&fimc->slock, flags);
+ if (sel->which == V4L2_SUBDEV_FORMAT_TRY) {
+ *try_sel = sel->r;
+ } else {
+ spin_lock_irqsave(&fimc->slock, flags);
+ set_frame_crop(f, r->left, r->top, r->width, r->height);
+ set_bit(ST_CAPT_APPLY_CFG, &fimc->state);
+ spin_unlock_irqrestore(&fimc->slock, flags);
+ if (sel->target == V4L2_SUBDEV_SEL_TGT_COMPOSE_ACTUAL)
+ ctx->state |= FIMC_COMPOSE;
+ }
- dbg("pad%d: (%d,%d)/%dx%d", crop->pad, r->left, r->top,
+ dbg("target %#x: (%d,%d)/%dx%d", sel->target, r->left, r->top,
r->width, r->height);
mutex_unlock(&fimc->lock);
static struct v4l2_subdev_pad_ops fimc_subdev_pad_ops = {
.enum_mbus_code = fimc_subdev_enum_mbus_code,
+ .get_selection = fimc_subdev_get_selection,
+ .set_selection = fimc_subdev_set_selection,
.get_fmt = fimc_subdev_get_fmt,
.set_fmt = fimc_subdev_set_fmt,
- .get_crop = fimc_subdev_get_crop,
- .set_crop = fimc_subdev_set_crop,
};
static struct v4l2_subdev_ops fimc_subdev_ops = {
return -ENOMEM;
ctx->fimc_dev = fimc;
- ctx->in_path = FIMC_CAMERA;
- ctx->out_path = FIMC_DMA;
+ ctx->in_path = FIMC_IO_CAMERA;
+ ctx->out_path = FIMC_IO_DMA;
ctx->state = FIMC_CTX_CAP;
ctx->s_frame.fmt = fimc_find_format(NULL, NULL, FMT_FLAGS_CAM, 0);
ctx->d_frame.fmt = ctx->s_frame.fmt;
v4l2_info(v4l2_dev, "Registered %s as /dev/%s\n",
vfd->name, video_device_node_name(vfd));
- vfd->ctrl_handler = &ctx->ctrl_handler;
+ vfd->ctrl_handler = &ctx->ctrls.handler;
return 0;
err_vd:
projects / cascardo / linux.git / blobdiff