diff options
Diffstat (limited to 'drivers/gpu/drm/sti/sti_drm_plane.c')
| -rw-r--r-- | drivers/gpu/drm/sti/sti_drm_plane.c | 251 |
1 files changed, 0 insertions, 251 deletions
diff --git a/drivers/gpu/drm/sti/sti_drm_plane.c b/drivers/gpu/drm/sti/sti_drm_plane.c deleted file mode 100644 index 64d4ed43dda3..000000000000 --- a/drivers/gpu/drm/sti/sti_drm_plane.c +++ /dev/null @@ -1,251 +0,0 @@ -/* - * Copyright (C) STMicroelectronics SA 2014 - * Authors: Benjamin Gaignard <benjamin.gaignard@st.com> - * Fabien Dessenne <fabien.dessenne@st.com> - * for STMicroelectronics. - * License terms: GNU General Public License (GPL), version 2 - */ - -#include <drm/drmP.h> -#include <drm/drm_atomic_helper.h> -#include <drm/drm_plane_helper.h> - -#include "sti_compositor.h" -#include "sti_drm_drv.h" -#include "sti_drm_plane.h" -#include "sti_vtg.h" - -enum sti_layer_desc sti_layer_default_zorder[] = { - STI_GDP_0, - STI_VID_0, - STI_GDP_1, - STI_VID_1, - STI_GDP_2, - STI_GDP_3, -}; - -/* (Background) < GDP0 < VID0 < GDP1 < VID1 < GDP2 < GDP3 < (ForeGround) */ - -static int -sti_drm_update_plane(struct drm_plane *plane, struct drm_crtc *crtc, - struct drm_framebuffer *fb, int crtc_x, int crtc_y, - unsigned int crtc_w, unsigned int crtc_h, - uint32_t src_x, uint32_t src_y, - uint32_t src_w, uint32_t src_h) -{ - struct sti_layer *layer = to_sti_layer(plane); - struct sti_mixer *mixer = to_sti_mixer(crtc); - int res; - - DRM_DEBUG_KMS("CRTC:%d (%s) drm plane:%d (%s)\n", - crtc->base.id, sti_mixer_to_str(mixer), - plane->base.id, sti_layer_to_str(layer)); - DRM_DEBUG_KMS("(%dx%d)@(%d,%d)\n", crtc_w, crtc_h, crtc_x, crtc_y); - - res = sti_mixer_set_layer_depth(mixer, layer); - if (res) { - DRM_ERROR("Can not set layer depth\n"); - return res; - } - - /* src_x are in 16.16 format. */ - res = sti_layer_prepare(layer, crtc, fb, - &crtc->mode, mixer->id, - crtc_x, crtc_y, crtc_w, crtc_h, - src_x >> 16, src_y >> 16, - src_w >> 16, src_h >> 16); - if (res) { - DRM_ERROR("Layer prepare failed\n"); - return res; - } - - res = sti_layer_commit(layer); - if (res) { - DRM_ERROR("Layer commit failed\n"); - return res; - } - - res = sti_mixer_set_layer_status(mixer, layer, true); - if (res) { - DRM_ERROR("Can not enable layer at mixer\n"); - return res; - } - - return 0; -} - -static int sti_drm_disable_plane(struct drm_plane *plane) -{ - struct sti_layer *layer; - struct sti_mixer *mixer; - int lay_res, mix_res; - - if (!plane->crtc) { - DRM_DEBUG_DRIVER("drm plane:%d not enabled\n", plane->base.id); - return 0; - } - layer = to_sti_layer(plane); - mixer = to_sti_mixer(plane->crtc); - - DRM_DEBUG_DRIVER("CRTC:%d (%s) drm plane:%d (%s)\n", - plane->crtc->base.id, sti_mixer_to_str(mixer), - plane->base.id, sti_layer_to_str(layer)); - - /* Disable layer at mixer level */ - mix_res = sti_mixer_set_layer_status(mixer, layer, false); - if (mix_res) - DRM_ERROR("Can not disable layer at mixer\n"); - - /* Wait a while to be sure that a Vsync event is received */ - msleep(WAIT_NEXT_VSYNC_MS); - - /* Then disable layer itself */ - lay_res = sti_layer_disable(layer); - if (lay_res) - DRM_ERROR("Layer disable failed\n"); - - if (lay_res || mix_res) - return -EINVAL; - - return 0; -} - -static void sti_drm_plane_destroy(struct drm_plane *plane) -{ - DRM_DEBUG_DRIVER("\n"); - - drm_plane_helper_disable(plane); - drm_plane_cleanup(plane); -} - -static int sti_drm_plane_set_property(struct drm_plane *plane, - struct drm_property *property, - uint64_t val) -{ - struct drm_device *dev = plane->dev; - struct sti_drm_private *private = dev->dev_private; - struct sti_layer *layer = to_sti_layer(plane); - - DRM_DEBUG_DRIVER("\n"); - - if (property == private->plane_zorder_property) { - layer->zorder = val; - return 0; - } - - return -EINVAL; -} - -static struct drm_plane_funcs sti_drm_plane_funcs = { - .update_plane = drm_atomic_helper_update_plane, - .disable_plane = drm_atomic_helper_disable_plane, - .destroy = sti_drm_plane_destroy, - .set_property = sti_drm_plane_set_property, - .reset = drm_atomic_helper_plane_reset, - .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, - .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, -}; - -static int sti_drm_plane_prepare_fb(struct drm_plane *plane, - struct drm_framebuffer *fb, - const struct drm_plane_state *new_state) -{ - return 0; -} - -static void sti_drm_plane_cleanup_fb(struct drm_plane *plane, - struct drm_framebuffer *fb, - const struct drm_plane_state *old_fb) -{ -} - -static int sti_drm_plane_atomic_check(struct drm_plane *plane, - struct drm_plane_state *state) -{ - return 0; -} - -static void sti_drm_plane_atomic_update(struct drm_plane *plane, - struct drm_plane_state *oldstate) -{ - struct drm_plane_state *state = plane->state; - - sti_drm_update_plane(plane, state->crtc, state->fb, - state->crtc_x, state->crtc_y, - state->crtc_w, state->crtc_h, - state->src_x, state->src_y, - state->src_w, state->src_h); -} - -static void sti_drm_plane_atomic_disable(struct drm_plane *plane, - struct drm_plane_state *oldstate) -{ - sti_drm_disable_plane(plane); -} - -static const struct drm_plane_helper_funcs sti_drm_plane_helpers_funcs = { - .prepare_fb = sti_drm_plane_prepare_fb, - .cleanup_fb = sti_drm_plane_cleanup_fb, - .atomic_check = sti_drm_plane_atomic_check, - .atomic_update = sti_drm_plane_atomic_update, - .atomic_disable = sti_drm_plane_atomic_disable, -}; - -static void sti_drm_plane_attach_zorder_property(struct drm_plane *plane, - uint64_t default_val) -{ - struct drm_device *dev = plane->dev; - struct sti_drm_private *private = dev->dev_private; - struct drm_property *prop; - struct sti_layer *layer = to_sti_layer(plane); - - prop = private->plane_zorder_property; - if (!prop) { - prop = drm_property_create_range(dev, 0, "zpos", 0, - GAM_MIXER_NB_DEPTH_LEVEL - 1); - if (!prop) - return; - - private->plane_zorder_property = prop; - } - - drm_object_attach_property(&plane->base, prop, default_val); - layer->zorder = default_val; -} - -struct drm_plane *sti_drm_plane_init(struct drm_device *dev, - struct sti_layer *layer, - unsigned int possible_crtcs, - enum drm_plane_type type) -{ - int err, i; - uint64_t default_zorder = 0; - - err = drm_universal_plane_init(dev, &layer->plane, possible_crtcs, - &sti_drm_plane_funcs, - sti_layer_get_formats(layer), - sti_layer_get_nb_formats(layer), type); - if (err) { - DRM_ERROR("Failed to initialize plane\n"); - return NULL; - } - - drm_plane_helper_add(&layer->plane, &sti_drm_plane_helpers_funcs); - - for (i = 0; i < ARRAY_SIZE(sti_layer_default_zorder); i++) - if (sti_layer_default_zorder[i] == layer->desc) - break; - - default_zorder = i + 1; - - if (type == DRM_PLANE_TYPE_OVERLAY) - sti_drm_plane_attach_zorder_property(&layer->plane, - default_zorder); - - DRM_DEBUG_DRIVER("drm plane:%d mapped to %s with zorder:%llu\n", - layer->plane.base.id, - sti_layer_to_str(layer), default_zorder); - - return &layer->plane; -} -EXPORT_SYMBOL(sti_drm_plane_init); |