1 // SPDX-License-Identifier: GPL-2.0-or-later
9  *   Maxime Ripard <maxime.ripard@free-electrons.com>
27 static void sun8i_ui_layer_update_alpha(struct sun8i_mixer *mixer, int channel,  in sun8i_ui_layer_update_alpha()  argument
32 	ch_base = sun8i_channel_base(mixer, channel);  in sun8i_ui_layer_update_alpha()
37 	val = SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA(plane->state->alpha >> 8);  in sun8i_ui_layer_update_alpha()
39 	val |= (plane->state->alpha == DRM_BLEND_ALPHA_OPAQUE) ?  in sun8i_ui_layer_update_alpha()
43 	regmap_update_bits(mixer->engine.regs,  in sun8i_ui_layer_update_alpha()
48 static int sun8i_ui_layer_update_coord(struct sun8i_mixer *mixer, int channel,  in sun8i_ui_layer_update_coord()  argument
52 	struct drm_plane_state *state = plane->state;  in sun8i_ui_layer_update_coord()
58 	DRM_DEBUG_DRIVER("Updating UI channel %d overlay %d\n",  in sun8i_ui_layer_update_coord()
59 			 channel, overlay);  in sun8i_ui_layer_update_coord()
62 	ch_base = sun8i_channel_base(mixer, channel);  in sun8i_ui_layer_update_coord()
64 	src_w = drm_rect_width(&state->src) >> 16;  in sun8i_ui_layer_update_coord()
65 	src_h = drm_rect_height(&state->src) >> 16;  in sun8i_ui_layer_update_coord()
66 	dst_w = drm_rect_width(&state->dst);  in sun8i_ui_layer_update_coord()
67 	dst_h = drm_rect_height(&state->dst);  in sun8i_ui_layer_update_coord()
69 	hphase = state->src.x1 & 0xffff;  in sun8i_ui_layer_update_coord()
70 	vphase = state->src.y1 & 0xffff;  in sun8i_ui_layer_update_coord()
77 			 state->src.x1 >> 16, state->src.y1 >> 16);  in sun8i_ui_layer_update_coord()
79 	regmap_write(mixer->engine.regs,  in sun8i_ui_layer_update_coord()
82 	regmap_write(mixer->engine.regs,  in sun8i_ui_layer_update_coord()
91 		hscale = state->src_w / state->crtc_w;  in sun8i_ui_layer_update_coord()
92 		vscale = state->src_h / state->crtc_h;  in sun8i_ui_layer_update_coord()
94 		sun8i_ui_scaler_setup(mixer, channel, src_w, src_h, dst_w,  in sun8i_ui_layer_update_coord()
96 		sun8i_ui_scaler_enable(mixer, channel, true);  in sun8i_ui_layer_update_coord()
99 		sun8i_ui_scaler_enable(mixer, channel, false);  in sun8i_ui_layer_update_coord()
104 			 state->dst.x1, state->dst.y1);  in sun8i_ui_layer_update_coord()
106 	regmap_write(mixer->engine.regs,  in sun8i_ui_layer_update_coord()
108 		     SUN8I_MIXER_COORD(state->dst.x1, state->dst.y1));  in sun8i_ui_layer_update_coord()
109 	regmap_write(mixer->engine.regs,  in sun8i_ui_layer_update_coord()
116 static int sun8i_ui_layer_update_formats(struct sun8i_mixer *mixer, int channel,  in sun8i_ui_layer_update_formats()  argument
119 	struct drm_plane_state *state = plane->state;  in sun8i_ui_layer_update_formats()
124 	ch_base = sun8i_channel_base(mixer, channel);  in sun8i_ui_layer_update_formats()
126 	fmt = state->fb->format;  in sun8i_ui_layer_update_formats()
127 	ret = sun8i_mixer_drm_format_to_hw(fmt->format, &hw_fmt);  in sun8i_ui_layer_update_formats()
128 	if (ret || fmt->is_yuv) {  in sun8i_ui_layer_update_formats()
130 		return -EINVAL;  in sun8i_ui_layer_update_formats()
134 	regmap_update_bits(mixer->engine.regs,  in sun8i_ui_layer_update_formats()
141 static int sun8i_ui_layer_update_buffer(struct sun8i_mixer *mixer, int channel,  in sun8i_ui_layer_update_buffer()  argument
144 	struct drm_plane_state *state = plane->state;  in sun8i_ui_layer_update_buffer()
145 	struct drm_framebuffer *fb = state->fb;  in sun8i_ui_layer_update_buffer()
151 	ch_base = sun8i_channel_base(mixer, channel);  in sun8i_ui_layer_update_buffer()
156 	DRM_DEBUG_DRIVER("Using GEM @ %pad\n", &gem->dma_addr);  in sun8i_ui_layer_update_buffer()
159 	bpp = fb->format->cpp[0];  in sun8i_ui_layer_update_buffer()
160 	dma_addr = gem->dma_addr + fb->offsets[0];  in sun8i_ui_layer_update_buffer()
163 	dma_addr += (state->src.x1 >> 16) * bpp;  in sun8i_ui_layer_update_buffer()
164 	dma_addr += (state->src.y1 >> 16) * fb->pitches[0];  in sun8i_ui_layer_update_buffer()
167 	DRM_DEBUG_DRIVER("Layer line width: %d bytes\n", fb->pitches[0]);  in sun8i_ui_layer_update_buffer()
168 	regmap_write(mixer->engine.regs,  in sun8i_ui_layer_update_buffer()
170 		     fb->pitches[0]);  in sun8i_ui_layer_update_buffer()
174 	regmap_write(mixer->engine.regs,  in sun8i_ui_layer_update_buffer()
187 	struct drm_crtc *crtc = new_plane_state->crtc;  in sun8i_ui_layer_atomic_check()
197 		return -EINVAL;  in sun8i_ui_layer_atomic_check()
202 	if (layer->mixer->cfg->scaler_mask & BIT(layer->channel)) {  in sun8i_ui_layer_atomic_check()
220 	unsigned int zpos = new_state->normalized_zpos;  in sun8i_ui_layer_atomic_update()
221 	struct sun8i_mixer *mixer = layer->mixer;  in sun8i_ui_layer_atomic_update()
223 	if (!new_state->crtc || !new_state->visible)  in sun8i_ui_layer_atomic_update()
226 	sun8i_ui_layer_update_coord(mixer, layer->channel,  in sun8i_ui_layer_atomic_update()
227 				    layer->overlay, plane, zpos);  in sun8i_ui_layer_atomic_update()
228 	sun8i_ui_layer_update_alpha(mixer, layer->channel,  in sun8i_ui_layer_atomic_update()
229 				    layer->overlay, plane);  in sun8i_ui_layer_atomic_update()
230 	sun8i_ui_layer_update_formats(mixer, layer->channel,  in sun8i_ui_layer_atomic_update()
231 				      layer->overlay, plane);  in sun8i_ui_layer_atomic_update()
232 	sun8i_ui_layer_update_buffer(mixer, layer->channel,  in sun8i_ui_layer_atomic_update()
233 				     layer->overlay, plane);  in sun8i_ui_layer_atomic_update()
283 	int channel = mixer->cfg->vi_num + index;  in sun8i_ui_layer_init_one()  local
288 	layer = devm_kzalloc(drm->dev, sizeof(*layer), GFP_KERNEL);  in sun8i_ui_layer_init_one()
290 		return ERR_PTR(-ENOMEM);  in sun8i_ui_layer_init_one()
296 	ret = drm_universal_plane_init(drm, &layer->plane, 0,  in sun8i_ui_layer_init_one()
302 		dev_err(drm->dev, "Couldn't initialize layer\n");  in sun8i_ui_layer_init_one()
306 	plane_cnt = mixer->cfg->ui_num + mixer->cfg->vi_num;  in sun8i_ui_layer_init_one()
308 	ret = drm_plane_create_alpha_property(&layer->plane);  in sun8i_ui_layer_init_one()
310 		dev_err(drm->dev, "Couldn't add alpha property\n");  in sun8i_ui_layer_init_one()
314 	ret = drm_plane_create_zpos_property(&layer->plane, channel,  in sun8i_ui_layer_init_one()
315 					     0, plane_cnt - 1);  in sun8i_ui_layer_init_one()
317 		dev_err(drm->dev, "Couldn't add zpos property\n");  in sun8i_ui_layer_init_one()
321 	drm_plane_helper_add(&layer->plane, &sun8i_ui_layer_helper_funcs);  in sun8i_ui_layer_init_one()
322 	layer->mixer = mixer;  in sun8i_ui_layer_init_one()
323 	layer->type = SUN8I_LAYER_TYPE_UI;  in sun8i_ui_layer_init_one()
324 	layer->channel = channel;  in sun8i_ui_layer_init_one()
325 	layer->overlay = 0;  in sun8i_ui_layer_init_one()