776 static int mixer_resources_init(struct mixer_context *mixer_ctx)  in mixer_resources_init()  argument
778 	struct device *dev = &mixer_ctx->pdev->dev;  in mixer_resources_init()
782 	spin_lock_init(&mixer_ctx->reg_slock);  in mixer_resources_init()
784 	mixer_ctx->mixer = devm_clk_get(dev, "mixer");  in mixer_resources_init()
785 	if (IS_ERR(mixer_ctx->mixer)) {  in mixer_resources_init()
790 	mixer_ctx->hdmi = devm_clk_get(dev, "hdmi");  in mixer_resources_init()
791 	if (IS_ERR(mixer_ctx->hdmi)) {  in mixer_resources_init()
793 		return PTR_ERR(mixer_ctx->hdmi);  in mixer_resources_init()
796 	mixer_ctx->sclk_hdmi = devm_clk_get(dev, "sclk_hdmi");  in mixer_resources_init()
797 	if (IS_ERR(mixer_ctx->sclk_hdmi)) {  in mixer_resources_init()
801 	res = platform_get_resource(mixer_ctx->pdev, IORESOURCE_MEM, 0);  in mixer_resources_init()
807 	mixer_ctx->mixer_regs = devm_ioremap(dev, res->start,  in mixer_resources_init()
809 	if (mixer_ctx->mixer_regs == NULL) {  in mixer_resources_init()
814 	ret = platform_get_irq(mixer_ctx->pdev, 0);  in mixer_resources_init()
817 	mixer_ctx->irq = ret;  in mixer_resources_init()
819 	ret = devm_request_irq(dev, mixer_ctx->irq, mixer_irq_handler,  in mixer_resources_init()
820 			       0, "drm_mixer", mixer_ctx);  in mixer_resources_init()
829 static int vp_resources_init(struct mixer_context *mixer_ctx)  in vp_resources_init()  argument
831 	struct device *dev = &mixer_ctx->pdev->dev;  in vp_resources_init()
834 	mixer_ctx->vp = devm_clk_get(dev, "vp");  in vp_resources_init()
835 	if (IS_ERR(mixer_ctx->vp)) {  in vp_resources_init()
840 	if (test_bit(MXR_BIT_HAS_SCLK, &mixer_ctx->flags)) {  in vp_resources_init()
841 		mixer_ctx->sclk_mixer = devm_clk_get(dev, "sclk_mixer");  in vp_resources_init()
842 		if (IS_ERR(mixer_ctx->sclk_mixer)) {  in vp_resources_init()
846 		mixer_ctx->mout_mixer = devm_clk_get(dev, "mout_mixer");  in vp_resources_init()
847 		if (IS_ERR(mixer_ctx->mout_mixer)) {  in vp_resources_init()
852 		if (mixer_ctx->sclk_hdmi && mixer_ctx->mout_mixer)  in vp_resources_init()
853 			clk_set_parent(mixer_ctx->mout_mixer,  in vp_resources_init()
854 				       mixer_ctx->sclk_hdmi);  in vp_resources_init()
857 	res = platform_get_resource(mixer_ctx->pdev, IORESOURCE_MEM, 1);  in vp_resources_init()
863 	mixer_ctx->vp_regs = devm_ioremap(dev, res->start,  in vp_resources_init()
865 	if (mixer_ctx->vp_regs == NULL) {  in vp_resources_init()
873 static int mixer_initialize(struct mixer_context *mixer_ctx,  in mixer_initialize()  argument
878 	mixer_ctx->drm_dev = drm_dev;  in mixer_initialize()
881 	ret = mixer_resources_init(mixer_ctx);  in mixer_initialize()
883 		DRM_DEV_ERROR(mixer_ctx->dev,  in mixer_initialize()
888 	if (test_bit(MXR_BIT_VP_ENABLED, &mixer_ctx->flags)) {  in mixer_initialize()
890 		ret = vp_resources_init(mixer_ctx);  in mixer_initialize()
892 			DRM_DEV_ERROR(mixer_ctx->dev,  in mixer_initialize()
898 	return exynos_drm_register_dma(drm_dev, mixer_ctx->dev,  in mixer_initialize()
899 				       &mixer_ctx->dma_priv);  in mixer_initialize()
902 static void mixer_ctx_remove(struct mixer_context *mixer_ctx)  in mixer_ctx_remove()  argument
904 	exynos_drm_unregister_dma(mixer_ctx->drm_dev, mixer_ctx->dev,  in mixer_ctx_remove()
905 				  &mixer_ctx->dma_priv);  in mixer_ctx_remove()
910 	struct mixer_context *mixer_ctx = crtc->ctx;  in mixer_enable_vblank()  local
912 	__set_bit(MXR_BIT_VSYNC, &mixer_ctx->flags);  in mixer_enable_vblank()
913 	if (!test_bit(MXR_BIT_POWERED, &mixer_ctx->flags))  in mixer_enable_vblank()
917 	mixer_reg_writemask(mixer_ctx, MXR_INT_STATUS, ~0, MXR_INT_CLEAR_VSYNC);  in mixer_enable_vblank()
918 	mixer_reg_writemask(mixer_ctx, MXR_INT_EN, ~0, MXR_INT_EN_VSYNC);  in mixer_enable_vblank()
925 	struct mixer_context *mixer_ctx = crtc->ctx;  in mixer_disable_vblank()  local
927 	__clear_bit(MXR_BIT_VSYNC, &mixer_ctx->flags);  in mixer_disable_vblank()
929 	if (!test_bit(MXR_BIT_POWERED, &mixer_ctx->flags))  in mixer_disable_vblank()
933 	mixer_reg_writemask(mixer_ctx, MXR_INT_STATUS, ~0, MXR_INT_CLEAR_VSYNC);  in mixer_disable_vblank()
934 	mixer_reg_writemask(mixer_ctx, MXR_INT_EN, 0, MXR_INT_EN_VSYNC);  in mixer_disable_vblank()
952 	struct mixer_context *mixer_ctx = crtc->ctx;  in mixer_update_plane()  local
954 	DRM_DEV_DEBUG_KMS(mixer_ctx->dev, "win: %d\n", plane->index);  in mixer_update_plane()
956 	if (!test_bit(MXR_BIT_POWERED, &mixer_ctx->flags))  in mixer_update_plane()
960 		vp_video_buffer(mixer_ctx, plane);  in mixer_update_plane()
962 		mixer_graph_buffer(mixer_ctx, plane);  in mixer_update_plane()
968 	struct mixer_context *mixer_ctx = crtc->ctx;  in mixer_disable_plane()  local
971 	DRM_DEV_DEBUG_KMS(mixer_ctx->dev, "win: %d\n", plane->index);  in mixer_disable_plane()
973 	if (!test_bit(MXR_BIT_POWERED, &mixer_ctx->flags))  in mixer_disable_plane()
976 	spin_lock_irqsave(&mixer_ctx->reg_slock, flags);  in mixer_disable_plane()
977 	mixer_cfg_layer(mixer_ctx, plane->index, 0, false);  in mixer_disable_plane()
978 	spin_unlock_irqrestore(&mixer_ctx->reg_slock, flags);  in mixer_disable_plane()
983 	struct mixer_context *mixer_ctx = crtc->ctx;  in mixer_atomic_flush()  local
985 	if (!test_bit(MXR_BIT_POWERED, &mixer_ctx->flags))  in mixer_atomic_flush()
988 	mixer_enable_sync(mixer_ctx);  in mixer_atomic_flush()