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path: root/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
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Diffstat (limited to 'drivers/gpu/drm/rcar-du/rcar_du_vsp.c')
-rw-r--r--drivers/gpu/drm/rcar-du/rcar_du_vsp.c460
1 files changed, 0 insertions, 460 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
deleted file mode 100644
index f870445ebc8d..000000000000
--- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
+++ /dev/null
@@ -1,460 +0,0 @@
-/*
- * rcar_du_vsp.h -- R-Car Display Unit VSP-Based Compositor
- *
- * 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.
- */
-
-#include <drm/drmP.h>
-#include <drm/drm_atomic_helper.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_crtc_helper.h>
-#include <drm/drm_fb_cma_helper.h>
-#include <drm/drm_gem_cma_helper.h>
-#include <drm/drm_plane_helper.h>
-
-#include <linux/dma-mapping.h>
-#include <linux/of_platform.h>
-#include <linux/scatterlist.h>
-#include <linux/videodev2.h>
-
-#include <media/vsp1.h>
-
-#include "rcar_du_drv.h"
-#include "rcar_du_kms.h"
-#include "rcar_du_vsp.h"
-
-static void rcar_du_vsp_complete(void *private)
-{
- struct rcar_du_crtc *crtc = private;
-
- rcar_du_crtc_finish_page_flip(crtc);
-}
-
-void rcar_du_vsp_enable(struct rcar_du_crtc *crtc)
-{
- const struct drm_display_mode *mode = &crtc->crtc.state->adjusted_mode;
- struct rcar_du_device *rcdu = crtc->group->dev;
- struct vsp1_du_lif_config cfg = {
- .width = mode->hdisplay,
- .height = mode->vdisplay,
- .callback = rcar_du_vsp_complete,
- .callback_data = crtc,
- };
- struct rcar_du_plane_state state = {
- .state = {
- .crtc = &crtc->crtc,
- .crtc_x = 0,
- .crtc_y = 0,
- .crtc_w = mode->hdisplay,
- .crtc_h = mode->vdisplay,
- .src_x = 0,
- .src_y = 0,
- .src_w = mode->hdisplay << 16,
- .src_h = mode->vdisplay << 16,
- .zpos = 0,
- },
- .format = rcar_du_format_info(DRM_FORMAT_ARGB8888),
- .source = RCAR_DU_PLANE_VSPD1,
- .alpha = 255,
- .colorkey = 0,
- };
-
- if (rcdu->info->gen >= 3)
- state.hwindex = (crtc->index % 2) ? 2 : 0;
- else
- state.hwindex = crtc->index % 2;
-
- __rcar_du_plane_setup(crtc->group, &state);
-
- /* Ensure that the plane source configuration takes effect by requesting
- * a restart of the group. See rcar_du_plane_atomic_update() for a more
- * detailed explanation.
- *
- * TODO: Check whether this is still needed on Gen3.
- */
- crtc->group->need_restart = true;
-
- vsp1_du_setup_lif(crtc->vsp->vsp, &cfg);
-}
-
-void rcar_du_vsp_disable(struct rcar_du_crtc *crtc)
-{
- vsp1_du_setup_lif(crtc->vsp->vsp, NULL);
-}
-
-void rcar_du_vsp_atomic_begin(struct rcar_du_crtc *crtc)
-{
- vsp1_du_atomic_begin(crtc->vsp->vsp);
-}
-
-void rcar_du_vsp_atomic_flush(struct rcar_du_crtc *crtc)
-{
- vsp1_du_atomic_flush(crtc->vsp->vsp);
-}
-
-/* Keep the two tables in sync. */
-static const u32 formats_kms[] = {
- DRM_FORMAT_RGB332,
- DRM_FORMAT_ARGB4444,
- DRM_FORMAT_XRGB4444,
- DRM_FORMAT_ARGB1555,
- DRM_FORMAT_XRGB1555,
- DRM_FORMAT_RGB565,
- DRM_FORMAT_BGR888,
- DRM_FORMAT_RGB888,
- DRM_FORMAT_BGRA8888,
- DRM_FORMAT_BGRX8888,
- DRM_FORMAT_ARGB8888,
- DRM_FORMAT_XRGB8888,
- DRM_FORMAT_UYVY,
- DRM_FORMAT_VYUY,
- DRM_FORMAT_YUYV,
- DRM_FORMAT_YVYU,
- DRM_FORMAT_NV12,
- DRM_FORMAT_NV21,
- DRM_FORMAT_NV16,
- DRM_FORMAT_NV61,
- DRM_FORMAT_YUV420,
- DRM_FORMAT_YVU420,
- DRM_FORMAT_YUV422,
- DRM_FORMAT_YVU422,
- DRM_FORMAT_YUV444,
- DRM_FORMAT_YVU444,
-};
-
-static const u32 formats_v4l2[] = {
- V4L2_PIX_FMT_RGB332,
- V4L2_PIX_FMT_ARGB444,
- V4L2_PIX_FMT_XRGB444,
- V4L2_PIX_FMT_ARGB555,
- V4L2_PIX_FMT_XRGB555,
- V4L2_PIX_FMT_RGB565,
- V4L2_PIX_FMT_RGB24,
- V4L2_PIX_FMT_BGR24,
- V4L2_PIX_FMT_ARGB32,
- V4L2_PIX_FMT_XRGB32,
- V4L2_PIX_FMT_ABGR32,
- V4L2_PIX_FMT_XBGR32,
- V4L2_PIX_FMT_UYVY,
- V4L2_PIX_FMT_VYUY,
- V4L2_PIX_FMT_YUYV,
- V4L2_PIX_FMT_YVYU,
- V4L2_PIX_FMT_NV12M,
- V4L2_PIX_FMT_NV21M,
- V4L2_PIX_FMT_NV16M,
- V4L2_PIX_FMT_NV61M,
- V4L2_PIX_FMT_YUV420M,
- V4L2_PIX_FMT_YVU420M,
- V4L2_PIX_FMT_YUV422M,
- V4L2_PIX_FMT_YVU422M,
- V4L2_PIX_FMT_YUV444M,
- V4L2_PIX_FMT_YVU444M,
-};
-
-static void rcar_du_vsp_plane_setup(struct rcar_du_vsp_plane *plane)
-{
- struct rcar_du_vsp_plane_state *state =
- to_rcar_vsp_plane_state(plane->plane.state);
- struct drm_framebuffer *fb = plane->plane.state->fb;
- struct vsp1_du_atomic_config cfg = {
- .pixelformat = 0,
- .pitch = fb->pitches[0],
- .alpha = state->alpha,
- .zpos = state->state.zpos,
- };
- unsigned int i;
-
- cfg.src.left = state->state.src_x >> 16;
- cfg.src.top = state->state.src_y >> 16;
- cfg.src.width = state->state.src_w >> 16;
- cfg.src.height = state->state.src_h >> 16;
-
- cfg.dst.left = state->state.crtc_x;
- cfg.dst.top = state->state.crtc_y;
- cfg.dst.width = state->state.crtc_w;
- cfg.dst.height = state->state.crtc_h;
-
- for (i = 0; i < state->format->planes; ++i)
- cfg.mem[i] = sg_dma_address(state->sg_tables[i].sgl)
- + fb->offsets[i];
-
- for (i = 0; i < ARRAY_SIZE(formats_kms); ++i) {
- if (formats_kms[i] == state->format->fourcc) {
- cfg.pixelformat = formats_v4l2[i];
- break;
- }
- }
-
- vsp1_du_atomic_update(plane->vsp->vsp, plane->index, &cfg);
-}
-
-static int rcar_du_vsp_plane_prepare_fb(struct drm_plane *plane,
- struct drm_plane_state *state)
-{
- struct rcar_du_vsp_plane_state *rstate = to_rcar_vsp_plane_state(state);
- struct rcar_du_vsp *vsp = to_rcar_vsp_plane(plane)->vsp;
- struct rcar_du_device *rcdu = vsp->dev;
- unsigned int i;
- int ret;
-
- if (!state->fb)
- return 0;
-
- for (i = 0; i < rstate->format->planes; ++i) {
- struct drm_gem_cma_object *gem =
- drm_fb_cma_get_gem_obj(state->fb, i);
- struct sg_table *sgt = &rstate->sg_tables[i];
-
- ret = dma_get_sgtable(rcdu->dev, sgt, gem->vaddr, gem->paddr,
- gem->base.size);
- if (ret)
- goto fail;
-
- ret = vsp1_du_map_sg(vsp->vsp, sgt);
- if (!ret) {
- sg_free_table(sgt);
- ret = -ENOMEM;
- goto fail;
- }
- }
-
- return 0;
-
-fail:
- while (i--) {
- struct sg_table *sgt = &rstate->sg_tables[i];
-
- vsp1_du_unmap_sg(vsp->vsp, sgt);
- sg_free_table(sgt);
- }
-
- return ret;
-}
-
-static void rcar_du_vsp_plane_cleanup_fb(struct drm_plane *plane,
- struct drm_plane_state *state)
-{
- struct rcar_du_vsp_plane_state *rstate = to_rcar_vsp_plane_state(state);
- struct rcar_du_vsp *vsp = to_rcar_vsp_plane(plane)->vsp;
- unsigned int i;
-
- if (!state->fb)
- return;
-
- for (i = 0; i < rstate->format->planes; ++i) {
- struct sg_table *sgt = &rstate->sg_tables[i];
-
- vsp1_du_unmap_sg(vsp->vsp, sgt);
- sg_free_table(sgt);
- }
-}
-
-static int rcar_du_vsp_plane_atomic_check(struct drm_plane *plane,
- struct drm_plane_state *state)
-{
- struct rcar_du_vsp_plane_state *rstate = to_rcar_vsp_plane_state(state);
- struct rcar_du_vsp_plane *rplane = to_rcar_vsp_plane(plane);
- struct rcar_du_device *rcdu = rplane->vsp->dev;
-
- if (!state->fb || !state->crtc) {
- rstate->format = NULL;
- return 0;
- }
-
- if (state->src_w >> 16 != state->crtc_w ||
- state->src_h >> 16 != state->crtc_h) {
- dev_dbg(rcdu->dev, "%s: scaling not supported\n", __func__);
- return -EINVAL;
- }
-
- rstate->format = rcar_du_format_info(state->fb->format->format);
- if (rstate->format == NULL) {
- dev_dbg(rcdu->dev, "%s: unsupported format %08x\n", __func__,
- state->fb->format->format);
- return -EINVAL;
- }
-
- return 0;
-}
-
-static void rcar_du_vsp_plane_atomic_update(struct drm_plane *plane,
- struct drm_plane_state *old_state)
-{
- struct rcar_du_vsp_plane *rplane = to_rcar_vsp_plane(plane);
-
- if (plane->state->crtc)
- rcar_du_vsp_plane_setup(rplane);
- else
- vsp1_du_atomic_update(rplane->vsp->vsp, rplane->index, NULL);
-}
-
-static const struct drm_plane_helper_funcs rcar_du_vsp_plane_helper_funcs = {
- .prepare_fb = rcar_du_vsp_plane_prepare_fb,
- .cleanup_fb = rcar_du_vsp_plane_cleanup_fb,
- .atomic_check = rcar_du_vsp_plane_atomic_check,
- .atomic_update = rcar_du_vsp_plane_atomic_update,
-};
-
-static struct drm_plane_state *
-rcar_du_vsp_plane_atomic_duplicate_state(struct drm_plane *plane)
-{
- struct rcar_du_vsp_plane_state *state;
- struct rcar_du_vsp_plane_state *copy;
-
- if (WARN_ON(!plane->state))
- return NULL;
-
- state = to_rcar_vsp_plane_state(plane->state);
- copy = kmemdup(state, sizeof(*state), GFP_KERNEL);
- if (copy == NULL)
- return NULL;
-
- __drm_atomic_helper_plane_duplicate_state(plane, &copy->state);
-
- return &copy->state;
-}
-
-static void rcar_du_vsp_plane_atomic_destroy_state(struct drm_plane *plane,
- struct drm_plane_state *state)
-{
- __drm_atomic_helper_plane_destroy_state(state);
- kfree(to_rcar_vsp_plane_state(state));
-}
-
-static void rcar_du_vsp_plane_reset(struct drm_plane *plane)
-{
- struct rcar_du_vsp_plane_state *state;
-
- if (plane->state) {
- rcar_du_vsp_plane_atomic_destroy_state(plane, plane->state);
- plane->state = NULL;
- }
-
- state = kzalloc(sizeof(*state), GFP_KERNEL);
- if (state == NULL)
- return;
-
- state->alpha = 255;
- state->state.zpos = plane->type == DRM_PLANE_TYPE_PRIMARY ? 0 : 1;
-
- plane->state = &state->state;
- plane->state->plane = plane;
-}
-
-static int rcar_du_vsp_plane_atomic_set_property(struct drm_plane *plane,
- struct drm_plane_state *state, struct drm_property *property,
- uint64_t val)
-{
- struct rcar_du_vsp_plane_state *rstate = to_rcar_vsp_plane_state(state);
- struct rcar_du_device *rcdu = to_rcar_vsp_plane(plane)->vsp->dev;
-
- if (property == rcdu->props.alpha)
- rstate->alpha = val;
- else
- return -EINVAL;
-
- return 0;
-}
-
-static int rcar_du_vsp_plane_atomic_get_property(struct drm_plane *plane,
- const struct drm_plane_state *state, struct drm_property *property,
- uint64_t *val)
-{
- const struct rcar_du_vsp_plane_state *rstate =
- container_of(state, const struct rcar_du_vsp_plane_state, state);
- struct rcar_du_device *rcdu = to_rcar_vsp_plane(plane)->vsp->dev;
-
- if (property == rcdu->props.alpha)
- *val = rstate->alpha;
- else
- return -EINVAL;
-
- return 0;
-}
-
-static const struct drm_plane_funcs rcar_du_vsp_plane_funcs = {
- .update_plane = drm_atomic_helper_update_plane,
- .disable_plane = drm_atomic_helper_disable_plane,
- .reset = rcar_du_vsp_plane_reset,
- .set_property = drm_atomic_helper_plane_set_property,
- .destroy = drm_plane_cleanup,
- .atomic_duplicate_state = rcar_du_vsp_plane_atomic_duplicate_state,
- .atomic_destroy_state = rcar_du_vsp_plane_atomic_destroy_state,
- .atomic_set_property = rcar_du_vsp_plane_atomic_set_property,
- .atomic_get_property = rcar_du_vsp_plane_atomic_get_property,
-};
-
-int rcar_du_vsp_init(struct rcar_du_vsp *vsp)
-{
- struct rcar_du_device *rcdu = vsp->dev;
- struct platform_device *pdev;
- struct device_node *np;
- unsigned int i;
- int ret;
-
- /* Find the VSP device and initialize it. */
- np = of_parse_phandle(rcdu->dev->of_node, "vsps", vsp->index);
- if (!np) {
- dev_err(rcdu->dev, "vsps node not found\n");
- return -ENXIO;
- }
-
- pdev = of_find_device_by_node(np);
- of_node_put(np);
- if (!pdev)
- return -ENXIO;
-
- vsp->vsp = &pdev->dev;
-
- ret = vsp1_du_init(vsp->vsp);
- if (ret < 0)
- return ret;
-
- /* The VSP2D (Gen3) has 5 RPFs, but the VSP1D (Gen2) is limited to
- * 4 RPFs.
- */
- vsp->num_planes = rcdu->info->gen >= 3 ? 5 : 4;
-
- vsp->planes = devm_kcalloc(rcdu->dev, vsp->num_planes,
- sizeof(*vsp->planes), GFP_KERNEL);
- if (!vsp->planes)
- return -ENOMEM;
-
- for (i = 0; i < vsp->num_planes; ++i) {
- enum drm_plane_type type = i ? DRM_PLANE_TYPE_OVERLAY
- : DRM_PLANE_TYPE_PRIMARY;
- struct rcar_du_vsp_plane *plane = &vsp->planes[i];
-
- plane->vsp = vsp;
- plane->index = i;
-
- ret = drm_universal_plane_init(rcdu->ddev, &plane->plane,
- 1 << vsp->index,
- &rcar_du_vsp_plane_funcs,
- formats_kms,
- ARRAY_SIZE(formats_kms), type,
- NULL);
- if (ret < 0)
- return ret;
-
- drm_plane_helper_add(&plane->plane,
- &rcar_du_vsp_plane_helper_funcs);
-
- if (type == DRM_PLANE_TYPE_PRIMARY)
- continue;
-
- drm_object_attach_property(&plane->plane.base,
- rcdu->props.alpha, 255);
- drm_plane_create_zpos_property(&plane->plane, 1, 1,
- vsp->num_planes - 1);
- }
-
- return 0;
-}