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2f701695fd
It's unused, and really this helper should only look at the state structure and nothing else. v2: Fix commit message (Laurent). v3: Rebase onto mtk driver merge. Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Eric Anholt <eric@anholt.net> Cc: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Cc: Inki Dae <inki.dae@samsung.com> Cc: Tomi Valkeinen <tomi.valkeinen@ti.com> Cc: Mark Yao <mark.yao@rock-chips.com> Acked-by: Thierry Reding <thierry.reding@gmail.com> Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Eric Anholt <eric@anholt.net> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1462804451-15318-2-git-send-email-daniel.vetter@ffwll.ch
385 lines
9.5 KiB
C
385 lines
9.5 KiB
C
/*
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* rcar_du_vsp.h -- R-Car Display Unit VSP-Based Compositor
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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 <drm/drmP.h>
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#include <drm/drm_atomic_helper.h>
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#include <drm/drm_crtc.h>
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#include <drm/drm_crtc_helper.h>
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#include <drm/drm_fb_cma_helper.h>
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#include <drm/drm_gem_cma_helper.h>
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#include <drm/drm_plane_helper.h>
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#include <linux/of_platform.h>
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#include <linux/videodev2.h>
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#include <media/vsp1.h>
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#include "rcar_du_drv.h"
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#include "rcar_du_kms.h"
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#include "rcar_du_vsp.h"
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void rcar_du_vsp_enable(struct rcar_du_crtc *crtc)
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{
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const struct drm_display_mode *mode = &crtc->crtc.state->adjusted_mode;
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struct rcar_du_device *rcdu = crtc->group->dev;
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struct rcar_du_plane_state state = {
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.state = {
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.crtc = &crtc->crtc,
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.crtc_x = 0,
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.crtc_y = 0,
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.crtc_w = mode->hdisplay,
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.crtc_h = mode->vdisplay,
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.src_x = 0,
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.src_y = 0,
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.src_w = mode->hdisplay << 16,
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.src_h = mode->vdisplay << 16,
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},
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.format = rcar_du_format_info(DRM_FORMAT_ARGB8888),
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.source = RCAR_DU_PLANE_VSPD1,
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.alpha = 255,
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.colorkey = 0,
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.zpos = 0,
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};
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if (rcdu->info->gen >= 3)
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state.hwindex = (crtc->index % 2) ? 2 : 0;
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else
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state.hwindex = crtc->index % 2;
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__rcar_du_plane_setup(crtc->group, &state);
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/* Ensure that the plane source configuration takes effect by requesting
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* a restart of the group. See rcar_du_plane_atomic_update() for a more
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* detailed explanation.
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*
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* TODO: Check whether this is still needed on Gen3.
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*/
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crtc->group->need_restart = true;
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vsp1_du_setup_lif(crtc->vsp->vsp, mode->hdisplay, mode->vdisplay);
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}
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void rcar_du_vsp_disable(struct rcar_du_crtc *crtc)
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{
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vsp1_du_setup_lif(crtc->vsp->vsp, 0, 0);
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}
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void rcar_du_vsp_atomic_begin(struct rcar_du_crtc *crtc)
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{
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vsp1_du_atomic_begin(crtc->vsp->vsp);
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}
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void rcar_du_vsp_atomic_flush(struct rcar_du_crtc *crtc)
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{
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vsp1_du_atomic_flush(crtc->vsp->vsp);
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}
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/* Keep the two tables in sync. */
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static const u32 formats_kms[] = {
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DRM_FORMAT_RGB332,
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DRM_FORMAT_ARGB4444,
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DRM_FORMAT_XRGB4444,
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DRM_FORMAT_ARGB1555,
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DRM_FORMAT_XRGB1555,
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DRM_FORMAT_RGB565,
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DRM_FORMAT_BGR888,
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DRM_FORMAT_RGB888,
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DRM_FORMAT_BGRA8888,
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DRM_FORMAT_BGRX8888,
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DRM_FORMAT_ARGB8888,
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DRM_FORMAT_XRGB8888,
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DRM_FORMAT_UYVY,
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DRM_FORMAT_VYUY,
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DRM_FORMAT_YUYV,
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DRM_FORMAT_YVYU,
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DRM_FORMAT_NV12,
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DRM_FORMAT_NV21,
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DRM_FORMAT_NV16,
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DRM_FORMAT_NV61,
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DRM_FORMAT_YUV420,
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DRM_FORMAT_YVU420,
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DRM_FORMAT_YUV422,
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DRM_FORMAT_YVU422,
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DRM_FORMAT_YUV444,
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DRM_FORMAT_YVU444,
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};
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static const u32 formats_v4l2[] = {
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V4L2_PIX_FMT_RGB332,
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V4L2_PIX_FMT_ARGB444,
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V4L2_PIX_FMT_XRGB444,
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V4L2_PIX_FMT_ARGB555,
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V4L2_PIX_FMT_XRGB555,
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V4L2_PIX_FMT_RGB565,
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V4L2_PIX_FMT_RGB24,
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V4L2_PIX_FMT_BGR24,
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V4L2_PIX_FMT_ARGB32,
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V4L2_PIX_FMT_XRGB32,
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V4L2_PIX_FMT_ABGR32,
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V4L2_PIX_FMT_XBGR32,
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V4L2_PIX_FMT_UYVY,
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V4L2_PIX_FMT_VYUY,
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V4L2_PIX_FMT_YUYV,
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V4L2_PIX_FMT_YVYU,
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V4L2_PIX_FMT_NV12M,
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V4L2_PIX_FMT_NV21M,
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V4L2_PIX_FMT_NV16M,
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V4L2_PIX_FMT_NV61M,
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V4L2_PIX_FMT_YUV420M,
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V4L2_PIX_FMT_YVU420M,
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V4L2_PIX_FMT_YUV422M,
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V4L2_PIX_FMT_YVU422M,
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V4L2_PIX_FMT_YUV444M,
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V4L2_PIX_FMT_YVU444M,
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};
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static void rcar_du_vsp_plane_setup(struct rcar_du_vsp_plane *plane)
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{
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struct rcar_du_vsp_plane_state *state =
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to_rcar_vsp_plane_state(plane->plane.state);
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struct drm_framebuffer *fb = plane->plane.state->fb;
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struct v4l2_rect src;
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struct v4l2_rect dst;
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dma_addr_t paddr[2] = { 0, };
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u32 pixelformat = 0;
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unsigned int i;
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src.left = state->state.src_x >> 16;
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src.top = state->state.src_y >> 16;
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src.width = state->state.src_w >> 16;
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src.height = state->state.src_h >> 16;
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dst.left = state->state.crtc_x;
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dst.top = state->state.crtc_y;
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dst.width = state->state.crtc_w;
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dst.height = state->state.crtc_h;
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for (i = 0; i < state->format->planes; ++i) {
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struct drm_gem_cma_object *gem;
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gem = drm_fb_cma_get_gem_obj(fb, i);
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paddr[i] = gem->paddr + fb->offsets[i];
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}
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for (i = 0; i < ARRAY_SIZE(formats_kms); ++i) {
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if (formats_kms[i] == state->format->fourcc) {
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pixelformat = formats_v4l2[i];
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break;
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}
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}
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WARN_ON(!pixelformat);
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vsp1_du_atomic_update(plane->vsp->vsp, plane->index, pixelformat,
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fb->pitches[0], paddr, &src, &dst);
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}
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static int rcar_du_vsp_plane_atomic_check(struct drm_plane *plane,
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struct drm_plane_state *state)
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{
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struct rcar_du_vsp_plane_state *rstate = to_rcar_vsp_plane_state(state);
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struct rcar_du_vsp_plane *rplane = to_rcar_vsp_plane(plane);
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struct rcar_du_device *rcdu = rplane->vsp->dev;
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if (!state->fb || !state->crtc) {
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rstate->format = NULL;
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return 0;
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}
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if (state->src_w >> 16 != state->crtc_w ||
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state->src_h >> 16 != state->crtc_h) {
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dev_dbg(rcdu->dev, "%s: scaling not supported\n", __func__);
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return -EINVAL;
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}
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rstate->format = rcar_du_format_info(state->fb->pixel_format);
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if (rstate->format == NULL) {
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dev_dbg(rcdu->dev, "%s: unsupported format %08x\n", __func__,
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state->fb->pixel_format);
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return -EINVAL;
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}
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return 0;
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}
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static void rcar_du_vsp_plane_atomic_update(struct drm_plane *plane,
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struct drm_plane_state *old_state)
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{
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struct rcar_du_vsp_plane *rplane = to_rcar_vsp_plane(plane);
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if (plane->state->crtc)
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rcar_du_vsp_plane_setup(rplane);
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else
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vsp1_du_atomic_update(rplane->vsp->vsp, rplane->index, 0, 0, 0,
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NULL, NULL);
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}
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static const struct drm_plane_helper_funcs rcar_du_vsp_plane_helper_funcs = {
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.atomic_check = rcar_du_vsp_plane_atomic_check,
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.atomic_update = rcar_du_vsp_plane_atomic_update,
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};
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static struct drm_plane_state *
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rcar_du_vsp_plane_atomic_duplicate_state(struct drm_plane *plane)
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{
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struct rcar_du_vsp_plane_state *state;
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struct rcar_du_vsp_plane_state *copy;
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if (WARN_ON(!plane->state))
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return NULL;
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state = to_rcar_vsp_plane_state(plane->state);
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copy = kmemdup(state, sizeof(*state), GFP_KERNEL);
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if (copy == NULL)
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return NULL;
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__drm_atomic_helper_plane_duplicate_state(plane, ©->state);
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return ©->state;
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}
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static void rcar_du_vsp_plane_atomic_destroy_state(struct drm_plane *plane,
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struct drm_plane_state *state)
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{
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__drm_atomic_helper_plane_destroy_state(state);
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kfree(to_rcar_vsp_plane_state(state));
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}
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static void rcar_du_vsp_plane_reset(struct drm_plane *plane)
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{
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struct rcar_du_vsp_plane_state *state;
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if (plane->state) {
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rcar_du_vsp_plane_atomic_destroy_state(plane, plane->state);
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plane->state = NULL;
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}
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state = kzalloc(sizeof(*state), GFP_KERNEL);
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if (state == NULL)
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return;
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state->alpha = 255;
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plane->state = &state->state;
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plane->state->plane = plane;
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}
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static int rcar_du_vsp_plane_atomic_set_property(struct drm_plane *plane,
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struct drm_plane_state *state, struct drm_property *property,
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uint64_t val)
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{
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struct rcar_du_vsp_plane_state *rstate = to_rcar_vsp_plane_state(state);
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struct rcar_du_device *rcdu = to_rcar_vsp_plane(plane)->vsp->dev;
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if (property == rcdu->props.alpha)
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rstate->alpha = val;
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else
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return -EINVAL;
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return 0;
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}
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static int rcar_du_vsp_plane_atomic_get_property(struct drm_plane *plane,
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const struct drm_plane_state *state, struct drm_property *property,
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uint64_t *val)
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{
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const struct rcar_du_vsp_plane_state *rstate =
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container_of(state, const struct rcar_du_vsp_plane_state, state);
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struct rcar_du_device *rcdu = to_rcar_vsp_plane(plane)->vsp->dev;
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if (property == rcdu->props.alpha)
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*val = rstate->alpha;
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else
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return -EINVAL;
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return 0;
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}
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static const struct drm_plane_funcs rcar_du_vsp_plane_funcs = {
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.update_plane = drm_atomic_helper_update_plane,
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.disable_plane = drm_atomic_helper_disable_plane,
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.reset = rcar_du_vsp_plane_reset,
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.set_property = drm_atomic_helper_plane_set_property,
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.destroy = drm_plane_cleanup,
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.atomic_duplicate_state = rcar_du_vsp_plane_atomic_duplicate_state,
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.atomic_destroy_state = rcar_du_vsp_plane_atomic_destroy_state,
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.atomic_set_property = rcar_du_vsp_plane_atomic_set_property,
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.atomic_get_property = rcar_du_vsp_plane_atomic_get_property,
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};
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int rcar_du_vsp_init(struct rcar_du_vsp *vsp)
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{
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struct rcar_du_device *rcdu = vsp->dev;
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struct platform_device *pdev;
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struct device_node *np;
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unsigned int i;
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int ret;
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/* Find the VSP device and initialize it. */
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np = of_parse_phandle(rcdu->dev->of_node, "vsps", vsp->index);
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if (!np) {
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dev_err(rcdu->dev, "vsps node not found\n");
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return -ENXIO;
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}
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pdev = of_find_device_by_node(np);
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of_node_put(np);
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if (!pdev)
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return -ENXIO;
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vsp->vsp = &pdev->dev;
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ret = vsp1_du_init(vsp->vsp);
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if (ret < 0)
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return ret;
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/* The VSP2D (Gen3) has 5 RPFs, but the VSP1D (Gen2) is limited to
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* 4 RPFs.
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*/
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vsp->num_planes = rcdu->info->gen >= 3 ? 5 : 4;
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vsp->planes = devm_kcalloc(rcdu->dev, vsp->num_planes,
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sizeof(*vsp->planes), GFP_KERNEL);
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if (!vsp->planes)
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return -ENOMEM;
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for (i = 0; i < vsp->num_planes; ++i) {
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enum drm_plane_type type = i ? DRM_PLANE_TYPE_OVERLAY
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: DRM_PLANE_TYPE_PRIMARY;
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struct rcar_du_vsp_plane *plane = &vsp->planes[i];
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plane->vsp = vsp;
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plane->index = i;
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ret = drm_universal_plane_init(rcdu->ddev, &plane->plane,
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1 << vsp->index,
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&rcar_du_vsp_plane_funcs,
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formats_kms,
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ARRAY_SIZE(formats_kms), type,
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NULL);
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if (ret < 0)
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return ret;
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drm_plane_helper_add(&plane->plane,
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&rcar_du_vsp_plane_helper_funcs);
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if (type == DRM_PLANE_TYPE_PRIMARY)
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continue;
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drm_object_attach_property(&plane->plane.base,
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rcdu->props.alpha, 255);
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}
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return 0;
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}
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