mirror of https://gitee.com/openkylin/linux.git
[media] v4l: vsp1: Add VSP+DU support
Implement internal control of the VSP pipeline to be used by the DU DRM/KMS driver when using the VSP as an internal composer handled through DRM/KMS only. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Laurent Pinchart
Mauro Carvalho Chehab
parent
babca007e7
commit
f3af9572e8
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@ -1,5 +1,5 @@
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vsp1-y := vsp1_drv.o vsp1_entity.o vsp1_pipe.o
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vsp1-y += vsp1_video.o
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vsp1-y += vsp1_drm.o vsp1_video.o
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vsp1-y += vsp1_rpf.o vsp1_rwpf.o vsp1_wpf.o
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vsp1-y += vsp1_hsit.o vsp1_lif.o vsp1_lut.o
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vsp1-y += vsp1_bru.o vsp1_sru.o vsp1_uds.o
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@ -26,6 +26,7 @@
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struct clk;
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struct device;
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struct vsp1_drm;
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struct vsp1_platform_data;
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struct vsp1_bru;
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struct vsp1_hsit;
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@ -78,8 +79,8 @@ struct vsp1_device {
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struct v4l2_device v4l2_dev;
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struct media_device media_dev;
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struct media_entity_operations media_ops;
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struct vsp1_drm *drm;
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};
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int vsp1_device_get(struct vsp1_device *vsp1);
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@ -0,0 +1,552 @@
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/*
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* vsp1_drm.c -- R-Car VSP1 DRM API
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*
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* Copyright (C) 2015 Renesas Electronics Corporation
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*
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* Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include <linux/device.h>
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#include <linux/slab.h>
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#include <linux/vsp1.h>
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#include <media/media-entity.h>
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#include <media/v4l2-subdev.h>
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#include "vsp1.h"
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#include "vsp1_bru.h"
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#include "vsp1_drm.h"
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#include "vsp1_lif.h"
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#include "vsp1_pipe.h"
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#include "vsp1_rwpf.h"
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/* -----------------------------------------------------------------------------
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* Runtime Handling
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*/
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static int vsp1_drm_pipeline_run(struct vsp1_pipeline *pipe)
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{
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struct vsp1_device *vsp1 = pipe->output->entity.vsp1;
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int ret;
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if (vsp1->drm->update) {
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struct vsp1_entity *entity;
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list_for_each_entry(entity, &pipe->entities, list_pipe) {
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/* Skip unused RPFs. */
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if (entity->type == VSP1_ENTITY_RPF) {
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struct vsp1_rwpf *rpf =
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to_rwpf(&entity->subdev);
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if (!pipe->inputs[rpf->entity.index])
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continue;
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}
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vsp1_entity_route_setup(entity);
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ret = v4l2_subdev_call(&entity->subdev, video,
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s_stream, 1);
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if (ret < 0) {
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dev_err(vsp1->dev,
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"DRM pipeline start failure on entity %s\n",
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entity->subdev.name);
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return ret;
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}
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}
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vsp1->drm->update = false;
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}
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vsp1_pipeline_run(pipe);
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return 0;
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}
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static void vsp1_drm_pipeline_frame_end(struct vsp1_pipeline *pipe)
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{
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unsigned long flags;
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spin_lock_irqsave(&pipe->irqlock, flags);
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if (pipe->num_inputs)
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vsp1_drm_pipeline_run(pipe);
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spin_unlock_irqrestore(&pipe->irqlock, flags);
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}
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/* -----------------------------------------------------------------------------
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* DU Driver API
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*/
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int vsp1_du_init(struct device *dev)
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{
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struct vsp1_device *vsp1 = dev_get_drvdata(dev);
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if (!vsp1)
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return -EPROBE_DEFER;
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return 0;
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}
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EXPORT_SYMBOL_GPL(vsp1_du_init);
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/**
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* vsp1_du_setup_lif - Setup the output part of the VSP pipeline
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* @dev: the VSP device
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* @width: output frame width in pixels
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* @height: output frame height in pixels
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*
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* Configure the output part of VSP DRM pipeline for the given frame @width and
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* @height. This sets up formats on the BRU source pad, the WPF0 sink and source
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* pads, and the LIF sink pad.
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*
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* As the media bus code on the BRU source pad is conditioned by the
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* configuration of the BRU sink 0 pad, we also set up the formats on all BRU
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* sinks, even if the configuration will be overwritten later by
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* vsp1_du_setup_rpf(). This ensures that the BRU configuration is set to a well
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* defined state.
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*
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* Return 0 on success or a negative error code on failure.
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*/
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int vsp1_du_setup_lif(struct device *dev, unsigned int width,
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unsigned int height)
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{
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struct vsp1_device *vsp1 = dev_get_drvdata(dev);
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struct vsp1_pipeline *pipe = &vsp1->drm->pipe;
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struct vsp1_bru *bru = vsp1->bru;
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struct v4l2_subdev_format format;
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unsigned int i;
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int ret;
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dev_dbg(vsp1->dev, "%s: configuring LIF with format %ux%u\n",
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__func__, width, height);
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if (width == 0 || height == 0) {
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/* Zero width or height means the CRTC is being disabled, stop
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* the pipeline and turn the light off.
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*/
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ret = vsp1_pipeline_stop(pipe);
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if (ret == -ETIMEDOUT)
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dev_err(vsp1->dev, "DRM pipeline stop timeout\n");
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media_entity_pipeline_stop(&pipe->output->entity.subdev.entity);
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for (i = 0; i < bru->entity.source_pad; ++i) {
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bru->inputs[i].rpf = NULL;
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pipe->inputs[i] = NULL;
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}
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pipe->num_inputs = 0;
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vsp1_device_put(vsp1);
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dev_dbg(vsp1->dev, "%s: pipeline disabled\n", __func__);
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return 0;
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}
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/* Configure the format at the BRU sinks and propagate it through the
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* pipeline.
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*/
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memset(&format, 0, sizeof(format));
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format.which = V4L2_SUBDEV_FORMAT_ACTIVE;
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for (i = 0; i < bru->entity.source_pad; ++i) {
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format.pad = i;
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format.format.width = width;
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format.format.height = height;
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format.format.code = MEDIA_BUS_FMT_ARGB8888_1X32;
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format.format.field = V4L2_FIELD_NONE;
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ret = v4l2_subdev_call(&bru->entity.subdev, pad,
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set_fmt, NULL, &format);
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if (ret < 0)
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return ret;
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dev_dbg(vsp1->dev, "%s: set format %ux%u (%x) on BRU pad %u\n",
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__func__, format.format.width, format.format.height,
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format.format.code, i);
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}
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format.pad = bru->entity.source_pad;
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format.format.width = width;
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format.format.height = height;
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format.format.code = MEDIA_BUS_FMT_ARGB8888_1X32;
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format.format.field = V4L2_FIELD_NONE;
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ret = v4l2_subdev_call(&bru->entity.subdev, pad, set_fmt, NULL,
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&format);
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if (ret < 0)
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return ret;
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dev_dbg(vsp1->dev, "%s: set format %ux%u (%x) on BRU pad %u\n",
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__func__, format.format.width, format.format.height,
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format.format.code, i);
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format.pad = RWPF_PAD_SINK;
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ret = v4l2_subdev_call(&vsp1->wpf[0]->entity.subdev, pad, set_fmt, NULL,
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&format);
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if (ret < 0)
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return ret;
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dev_dbg(vsp1->dev, "%s: set format %ux%u (%x) on WPF0 sink\n",
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__func__, format.format.width, format.format.height,
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format.format.code);
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format.pad = RWPF_PAD_SOURCE;
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ret = v4l2_subdev_call(&vsp1->wpf[0]->entity.subdev, pad, get_fmt, NULL,
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&format);
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if (ret < 0)
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return ret;
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dev_dbg(vsp1->dev, "%s: got format %ux%u (%x) on WPF0 source\n",
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__func__, format.format.width, format.format.height,
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format.format.code);
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format.pad = LIF_PAD_SINK;
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ret = v4l2_subdev_call(&vsp1->lif->entity.subdev, pad, set_fmt, NULL,
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&format);
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if (ret < 0)
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return ret;
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dev_dbg(vsp1->dev, "%s: set format %ux%u (%x) on LIF sink\n",
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__func__, format.format.width, format.format.height,
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format.format.code);
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/* Verify that the format at the output of the pipeline matches the
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* requested frame size and media bus code.
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*/
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if (format.format.width != width || format.format.height != height ||
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format.format.code != MEDIA_BUS_FMT_ARGB8888_1X32) {
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dev_dbg(vsp1->dev, "%s: format mismatch\n", __func__);
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return -EPIPE;
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}
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/* Mark the pipeline as streaming and enable the VSP1. This will store
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* the pipeline pointer in all entities, which the s_stream handlers
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* will need. We don't start the entities themselves right at this point
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* as there's no plane configured yet, so we can't start processing
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* buffers.
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*/
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ret = vsp1_device_get(vsp1);
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if (ret < 0)
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return ret;
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ret = media_entity_pipeline_start(&pipe->output->entity.subdev.entity,
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&pipe->pipe);
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if (ret < 0) {
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dev_dbg(vsp1->dev, "%s: pipeline start failed\n", __func__);
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vsp1_device_put(vsp1);
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return ret;
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}
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dev_dbg(vsp1->dev, "%s: pipeline enabled\n", __func__);
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return 0;
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}
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EXPORT_SYMBOL_GPL(vsp1_du_setup_lif);
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/**
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* vsp1_du_setup_rpf - Setup one RPF input of the VSP pipeline
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* @dev: the VSP device
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* @rpf_index: index of the RPF to setup (0-based)
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* @pixelformat: V4L2 pixel format for the RPF memory input
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* @pitch: number of bytes per line in the image stored in memory
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* @mem: DMA addresses of the memory buffers (one per plane)
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* @src: the source crop rectangle for the RPF
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* @dst: the destination compose rectangle for the BRU input
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*
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* Configure the VSP to perform composition of the image referenced by @mem
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* through RPF @rpf_index, using the @src crop rectangle and the @dst
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* composition rectangle. The Z-order is fixed with RPF 0 at the bottom.
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*
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* Image format as stored in memory is expressed as a V4L2 @pixelformat value.
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* As a special case, setting the pixel format to 0 will disable the RPF. The
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* @pitch, @mem, @src and @dst parameters are ignored in that case. Calling the
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* function on a disabled RPF is allowed.
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*
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* The memory pitch is configurable to allow for padding at end of lines, or
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* simple for images that extend beyond the crop rectangle boundaries. The
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* @pitch value is expressed in bytes and applies to all planes for multiplanar
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* formats.
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*
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* The source memory buffer is referenced by the DMA address of its planes in
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* the @mem array. Up to two planes are supported. The second plane DMA address
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* is ignored for formats using a single plane.
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*
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* This function isn't reentrant, the caller needs to serialize calls.
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*
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* TODO: Implement Z-order control by decoupling the RPF index from the BRU
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* input index.
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*
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* Return 0 on success or a negative error code on failure.
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*/
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int vsp1_du_setup_rpf(struct device *dev, unsigned int rpf_index,
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u32 pixelformat, unsigned int pitch,
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dma_addr_t mem[2], const struct v4l2_rect *src,
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const struct v4l2_rect *dst)
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{
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struct vsp1_device *vsp1 = dev_get_drvdata(dev);
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struct vsp1_pipeline *pipe = &vsp1->drm->pipe;
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const struct vsp1_format_info *fmtinfo;
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struct v4l2_subdev_selection sel;
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struct v4l2_subdev_format format;
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struct vsp1_rwpf_memory memory;
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struct vsp1_rwpf *rpf;
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unsigned long flags;
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bool start_stop = false;
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int ret;
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if (rpf_index >= vsp1->pdata.rpf_count)
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return -EINVAL;
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rpf = vsp1->rpf[rpf_index];
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if (pixelformat == 0) {
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dev_dbg(vsp1->dev, "%s: RPF%u: disable requested\n", __func__,
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rpf_index);
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spin_lock_irqsave(&pipe->irqlock, flags);
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if (pipe->inputs[rpf_index]) {
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/* Remove the RPF from the pipeline if it was previously
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* enabled.
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*/
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vsp1->bru->inputs[rpf_index].rpf = NULL;
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pipe->inputs[rpf_index] = NULL;
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vsp1->drm->update = true;
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start_stop = --pipe->num_inputs == 0;
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}
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spin_unlock_irqrestore(&pipe->irqlock, flags);
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/* Stop the pipeline if we're the last user. */
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if (start_stop)
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vsp1_pipeline_stop(pipe);
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return 0;
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}
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dev_dbg(vsp1->dev,
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"%s: RPF%u: (%u,%u)/%ux%u -> (%u,%u)/%ux%u (%08x), pitch %u dma { %pad, %pad }\n",
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__func__, rpf_index,
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src->left, src->top, src->width, src->height,
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dst->left, dst->top, dst->width, dst->height,
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pixelformat, pitch, &mem[0], &mem[1]);
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/* Set the stride at the RPF input. */
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fmtinfo = vsp1_get_format_info(pixelformat);
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if (!fmtinfo) {
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dev_dbg(vsp1->dev, "Unsupport pixel format %08x for RPF\n",
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pixelformat);
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return -EINVAL;
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}
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rpf->fmtinfo = fmtinfo;
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rpf->format.num_planes = fmtinfo->planes;
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rpf->format.plane_fmt[0].bytesperline = pitch;
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rpf->format.plane_fmt[1].bytesperline = pitch;
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/* Configure the format on the RPF sink pad and propagate it up to the
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* BRU sink pad.
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*/
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memset(&format, 0, sizeof(format));
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format.which = V4L2_SUBDEV_FORMAT_ACTIVE;
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format.pad = RWPF_PAD_SINK;
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format.format.width = src->width + src->left;
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format.format.height = src->height + src->top;
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format.format.code = fmtinfo->mbus;
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format.format.field = V4L2_FIELD_NONE;
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ret = v4l2_subdev_call(&rpf->entity.subdev, pad, set_fmt, NULL,
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&format);
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if (ret < 0)
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return ret;
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dev_dbg(vsp1->dev,
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"%s: set format %ux%u (%x) on RPF%u sink\n",
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__func__, format.format.width, format.format.height,
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format.format.code, rpf->entity.index);
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memset(&sel, 0, sizeof(sel));
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sel.which = V4L2_SUBDEV_FORMAT_ACTIVE;
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sel.pad = RWPF_PAD_SINK;
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sel.target = V4L2_SEL_TGT_CROP;
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sel.r = *src;
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ret = v4l2_subdev_call(&rpf->entity.subdev, pad, set_selection, NULL,
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&sel);
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if (ret < 0)
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return ret;
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dev_dbg(vsp1->dev,
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"%s: set selection (%u,%u)/%ux%u on RPF%u sink\n",
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__func__, sel.r.left, sel.r.top, sel.r.width, sel.r.height,
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rpf->entity.index);
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/* RPF source, hardcode the format to ARGB8888 to turn on format
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* conversion if needed.
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*/
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format.pad = RWPF_PAD_SOURCE;
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ret = v4l2_subdev_call(&rpf->entity.subdev, pad, get_fmt, NULL,
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&format);
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if (ret < 0)
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return ret;
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dev_dbg(vsp1->dev,
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"%s: got format %ux%u (%x) on RPF%u source\n",
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__func__, format.format.width, format.format.height,
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format.format.code, rpf->entity.index);
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format.format.code = MEDIA_BUS_FMT_ARGB8888_1X32;
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ret = v4l2_subdev_call(&rpf->entity.subdev, pad, set_fmt, NULL,
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&format);
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if (ret < 0)
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return ret;
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/* BRU sink, propagate the format from the RPF source. */
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format.pad = rpf->entity.index;
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ret = v4l2_subdev_call(&vsp1->bru->entity.subdev, pad, set_fmt, NULL,
|
||||
&format);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
dev_dbg(vsp1->dev, "%s: set format %ux%u (%x) on BRU pad %u\n",
|
||||
__func__, format.format.width, format.format.height,
|
||||
format.format.code, format.pad);
|
||||
|
||||
sel.pad = rpf->entity.index;
|
||||
sel.target = V4L2_SEL_TGT_COMPOSE;
|
||||
sel.r = *dst;
|
||||
|
||||
ret = v4l2_subdev_call(&vsp1->bru->entity.subdev, pad, set_selection,
|
||||
NULL, &sel);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
dev_dbg(vsp1->dev,
|
||||
"%s: set selection (%u,%u)/%ux%u on BRU pad %u\n",
|
||||
__func__, sel.r.left, sel.r.top, sel.r.width, sel.r.height,
|
||||
sel.pad);
|
||||
|
||||
/* Store the compose rectangle coordinates in the RPF. */
|
||||
rpf->location.left = dst->left;
|
||||
rpf->location.top = dst->top;
|
||||
|
||||
/* Set the memory buffer address. */
|
||||
memory.num_planes = fmtinfo->planes;
|
||||
memory.addr[0] = mem[0];
|
||||
memory.addr[1] = mem[1];
|
||||
|
||||
rpf->ops->set_memory(rpf, &memory);
|
||||
|
||||
spin_lock_irqsave(&pipe->irqlock, flags);
|
||||
|
||||
/* If the RPF was previously stopped set the BRU input to the RPF and
|
||||
* store the RPF in the pipeline inputs array.
|
||||
*/
|
||||
if (!pipe->inputs[rpf->entity.index]) {
|
||||
vsp1->bru->inputs[rpf_index].rpf = rpf;
|
||||
pipe->inputs[rpf->entity.index] = rpf;
|
||||
start_stop = pipe->num_inputs++ == 0;
|
||||
}
|
||||
|
||||
/* Start the pipeline if it's currently stopped. */
|
||||
vsp1->drm->update = true;
|
||||
if (start_stop)
|
||||
vsp1_drm_pipeline_run(pipe);
|
||||
|
||||
spin_unlock_irqrestore(&pipe->irqlock, flags);
|
||||
|
||||
return 0;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(vsp1_du_setup_rpf);
|
||||
|
||||
/* -----------------------------------------------------------------------------
|
||||
* Initialization
|
||||
*/
|
||||
|
||||
int vsp1_drm_create_links(struct vsp1_device *vsp1)
|
||||
{
|
||||
const u32 flags = MEDIA_LNK_FL_ENABLED | MEDIA_LNK_FL_IMMUTABLE;
|
||||
unsigned int i;
|
||||
int ret;
|
||||
|
||||
/* VSPD instances require a BRU to perform composition and a LIF to
|
||||
* output to the DU.
|
||||
*/
|
||||
if (!vsp1->bru || !vsp1->lif)
|
||||
return -ENXIO;
|
||||
|
||||
for (i = 0; i < vsp1->pdata.rpf_count; ++i) {
|
||||
struct vsp1_rwpf *rpf = vsp1->rpf[i];
|
||||
|
||||
ret = media_create_pad_link(&rpf->entity.subdev.entity,
|
||||
RWPF_PAD_SOURCE,
|
||||
&vsp1->bru->entity.subdev.entity,
|
||||
i, flags);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
rpf->entity.sink = &vsp1->bru->entity.subdev.entity;
|
||||
rpf->entity.sink_pad = i;
|
||||
}
|
||||
|
||||
ret = media_create_pad_link(&vsp1->bru->entity.subdev.entity,
|
||||
vsp1->bru->entity.source_pad,
|
||||
&vsp1->wpf[0]->entity.subdev.entity,
|
||||
RWPF_PAD_SINK, flags);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
vsp1->bru->entity.sink = &vsp1->wpf[0]->entity.subdev.entity;
|
||||
vsp1->bru->entity.sink_pad = RWPF_PAD_SINK;
|
||||
|
||||
ret = media_create_pad_link(&vsp1->wpf[0]->entity.subdev.entity,
|
||||
RWPF_PAD_SOURCE,
|
||||
&vsp1->lif->entity.subdev.entity,
|
||||
LIF_PAD_SINK, flags);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int vsp1_drm_init(struct vsp1_device *vsp1)
|
||||
{
|
||||
struct vsp1_pipeline *pipe;
|
||||
unsigned int i;
|
||||
|
||||
vsp1->drm = devm_kzalloc(vsp1->dev, sizeof(*vsp1->drm), GFP_KERNEL);
|
||||
if (!vsp1->drm)
|
||||
return -ENOMEM;
|
||||
|
||||
pipe = &vsp1->drm->pipe;
|
||||
|
||||
vsp1_pipeline_init(pipe);
|
||||
pipe->frame_end = vsp1_drm_pipeline_frame_end;
|
||||
|
||||
/* The DRM pipeline is static, add entities manually. */
|
||||
for (i = 0; i < vsp1->pdata.rpf_count; ++i) {
|
||||
struct vsp1_rwpf *input = vsp1->rpf[i];
|
||||
|
||||
list_add_tail(&input->entity.list_pipe, &pipe->entities);
|
||||
}
|
||||
|
||||
list_add_tail(&vsp1->bru->entity.list_pipe, &pipe->entities);
|
||||
list_add_tail(&vsp1->wpf[0]->entity.list_pipe, &pipe->entities);
|
||||
list_add_tail(&vsp1->lif->entity.list_pipe, &pipe->entities);
|
||||
|
||||
pipe->bru = &vsp1->bru->entity;
|
||||
pipe->lif = &vsp1->lif->entity;
|
||||
pipe->output = vsp1->wpf[0];
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -0,0 +1,26 @@
|
|||
/*
|
||||
* vsp1_drm.h -- R-Car VSP1 DRM/KMS Interface
|
||||
*
|
||||
* Copyright (C) 2015 Renesas Electronics Corporation
|
||||
*
|
||||
* Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.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 by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*/
|
||||
#ifndef __VSP1_DRM_H__
|
||||
#define __VSP1_DRM_H__
|
||||
|
||||
#include "vsp1_pipe.h"
|
||||
|
||||
struct vsp1_drm {
|
||||
struct vsp1_pipeline pipe;
|
||||
bool update;
|
||||
};
|
||||
|
||||
int vsp1_drm_init(struct vsp1_device *vsp1);
|
||||
int vsp1_drm_create_links(struct vsp1_device *vsp1);
|
||||
|
||||
#endif /* __VSP1_DRM_H__ */
|
||||
|
|
@ -25,6 +25,7 @@
|
|||
|
||||
#include "vsp1.h"
|
||||
#include "vsp1_bru.h"
|
||||
#include "vsp1_drm.h"
|
||||
#include "vsp1_hsit.h"
|
||||
#include "vsp1_lif.h"
|
||||
#include "vsp1_lut.h"
|
||||
|
|
@ -120,7 +121,7 @@ static int vsp1_create_sink_links(struct vsp1_device *vsp1,
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int vsp1_create_links(struct vsp1_device *vsp1)
|
||||
static int vsp1_uapi_create_links(struct vsp1_device *vsp1)
|
||||
{
|
||||
struct vsp1_entity *entity;
|
||||
unsigned int i;
|
||||
|
|
@ -145,9 +146,6 @@ static int vsp1_create_links(struct vsp1_device *vsp1)
|
|||
return ret;
|
||||
}
|
||||
|
||||
if (!vsp1->pdata.uapi)
|
||||
return 0;
|
||||
|
||||
for (i = 0; i < vsp1->pdata.rpf_count; ++i) {
|
||||
struct vsp1_rwpf *rpf = vsp1->rpf[i];
|
||||
|
||||
|
|
@ -360,15 +358,22 @@ static int vsp1_create_entities(struct vsp1_device *vsp1)
|
|||
}
|
||||
|
||||
/* Create links. */
|
||||
ret = vsp1_create_links(vsp1);
|
||||
if (vsp1->pdata.uapi)
|
||||
ret = vsp1_uapi_create_links(vsp1);
|
||||
else
|
||||
ret = vsp1_drm_create_links(vsp1);
|
||||
if (ret < 0)
|
||||
goto done;
|
||||
|
||||
if (vsp1->pdata.uapi) {
|
||||
/* Register subdev nodes if the userspace API is enabled or initialize
|
||||
* the DRM pipeline otherwise.
|
||||
*/
|
||||
if (vsp1->pdata.uapi)
|
||||
ret = v4l2_device_register_subdev_nodes(&vsp1->v4l2_dev);
|
||||
if (ret < 0)
|
||||
goto done;
|
||||
}
|
||||
else
|
||||
ret = vsp1_drm_init(vsp1);
|
||||
if (ret < 0)
|
||||
goto done;
|
||||
|
||||
ret = media_device_register(mdev);
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,30 @@
|
|||
/*
|
||||
* vsp1.h -- R-Car VSP1 API
|
||||
*
|
||||
* Copyright (C) 2015 Renesas Electronics Corporation
|
||||
*
|
||||
* Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.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 by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*/
|
||||
#ifndef __MEDIA_VSP1_H__
|
||||
#define __MEDIA_VSP1_H__
|
||||
|
||||
#include <linux/types.h>
|
||||
|
||||
struct device;
|
||||
struct v4l2_rect;
|
||||
|
||||
int vsp1_du_init(struct device *dev);
|
||||
|
||||
int vsp1_du_setup_lif(struct device *dev, unsigned int width,
|
||||
unsigned int height);
|
||||
|
||||
int vsp1_du_setup_rpf(struct device *dev, unsigned int rpf, u32 pixelformat,
|
||||
unsigned int pitch, dma_addr_t mem[2],
|
||||
const struct v4l2_rect *src, const struct v4l2_rect *dst);
|
||||
|
||||
#endif /* __MEDIA_VSP1_H__ */
|
||||
Loading…
Reference in New Issue