diff options
Diffstat (limited to 'drivers/gpu/drm/rcar-du/rcar_du_vsp.c')
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_vsp.c | 460 |
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, ©->state); - - return ©->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; -} |
