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Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h')
-rw-r--r--drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h150
1 files changed, 150 insertions, 0 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
new file mode 100644
index 000000000000..6b13ba97094d
--- /dev/null
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
@@ -0,0 +1,150 @@
+/*
+ * Copyright (c) 2015 MediaTek Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef MTK_DRM_DDP_COMP_H
+#define MTK_DRM_DDP_COMP_H
+
+#include <linux/io.h>
+
+struct device;
+struct device_node;
+struct drm_crtc;
+struct drm_device;
+struct mtk_plane_state;
+
+enum mtk_ddp_comp_type {
+ MTK_DISP_OVL,
+ MTK_DISP_RDMA,
+ MTK_DISP_WDMA,
+ MTK_DISP_COLOR,
+ MTK_DISP_AAL,
+ MTK_DISP_GAMMA,
+ MTK_DISP_UFOE,
+ MTK_DSI,
+ MTK_DPI,
+ MTK_DISP_PWM,
+ MTK_DISP_MUTEX,
+ MTK_DISP_OD,
+ MTK_DDP_COMP_TYPE_MAX,
+};
+
+enum mtk_ddp_comp_id {
+ DDP_COMPONENT_AAL,
+ DDP_COMPONENT_COLOR0,
+ DDP_COMPONENT_COLOR1,
+ DDP_COMPONENT_DPI0,
+ DDP_COMPONENT_DSI0,
+ DDP_COMPONENT_DSI1,
+ DDP_COMPONENT_GAMMA,
+ DDP_COMPONENT_OD,
+ DDP_COMPONENT_OVL0,
+ DDP_COMPONENT_OVL1,
+ DDP_COMPONENT_PWM0,
+ DDP_COMPONENT_PWM1,
+ DDP_COMPONENT_RDMA0,
+ DDP_COMPONENT_RDMA1,
+ DDP_COMPONENT_RDMA2,
+ DDP_COMPONENT_UFOE,
+ DDP_COMPONENT_WDMA0,
+ DDP_COMPONENT_WDMA1,
+ DDP_COMPONENT_ID_MAX,
+};
+
+struct mtk_ddp_comp;
+
+struct mtk_ddp_comp_funcs {
+ void (*config)(struct mtk_ddp_comp *comp, unsigned int w,
+ unsigned int h, unsigned int vrefresh);
+ void (*start)(struct mtk_ddp_comp *comp);
+ void (*stop)(struct mtk_ddp_comp *comp);
+ void (*enable_vblank)(struct mtk_ddp_comp *comp, struct drm_crtc *crtc);
+ void (*disable_vblank)(struct mtk_ddp_comp *comp);
+ void (*layer_on)(struct mtk_ddp_comp *comp, unsigned int idx);
+ void (*layer_off)(struct mtk_ddp_comp *comp, unsigned int idx);
+ void (*layer_config)(struct mtk_ddp_comp *comp, unsigned int idx,
+ struct mtk_plane_state *state);
+};
+
+struct mtk_ddp_comp {
+ struct clk *clk;
+ void __iomem *regs;
+ int irq;
+ struct device *larb_dev;
+ enum mtk_ddp_comp_id id;
+ const struct mtk_ddp_comp_funcs *funcs;
+};
+
+static inline void mtk_ddp_comp_config(struct mtk_ddp_comp *comp,
+ unsigned int w, unsigned int h,
+ unsigned int vrefresh)
+{
+ if (comp->funcs && comp->funcs->config)
+ comp->funcs->config(comp, w, h, vrefresh);
+}
+
+static inline void mtk_ddp_comp_start(struct mtk_ddp_comp *comp)
+{
+ if (comp->funcs && comp->funcs->start)
+ comp->funcs->start(comp);
+}
+
+static inline void mtk_ddp_comp_stop(struct mtk_ddp_comp *comp)
+{
+ if (comp->funcs && comp->funcs->stop)
+ comp->funcs->stop(comp);
+}
+
+static inline void mtk_ddp_comp_enable_vblank(struct mtk_ddp_comp *comp,
+ struct drm_crtc *crtc)
+{
+ if (comp->funcs && comp->funcs->enable_vblank)
+ comp->funcs->enable_vblank(comp, crtc);
+}
+
+static inline void mtk_ddp_comp_disable_vblank(struct mtk_ddp_comp *comp)
+{
+ if (comp->funcs && comp->funcs->disable_vblank)
+ comp->funcs->disable_vblank(comp);
+}
+
+static inline void mtk_ddp_comp_layer_on(struct mtk_ddp_comp *comp,
+ unsigned int idx)
+{
+ if (comp->funcs && comp->funcs->layer_on)
+ comp->funcs->layer_on(comp, idx);
+}
+
+static inline void mtk_ddp_comp_layer_off(struct mtk_ddp_comp *comp,
+ unsigned int idx)
+{
+ if (comp->funcs && comp->funcs->layer_off)
+ comp->funcs->layer_off(comp, idx);
+}
+
+static inline void mtk_ddp_comp_layer_config(struct mtk_ddp_comp *comp,
+ unsigned int idx,
+ struct mtk_plane_state *state)
+{
+ if (comp->funcs && comp->funcs->layer_config)
+ comp->funcs->layer_config(comp, idx, state);
+}
+
+int mtk_ddp_comp_get_id(struct device_node *node,
+ enum mtk_ddp_comp_type comp_type);
+int mtk_ddp_comp_init(struct device *dev, struct device_node *comp_node,
+ struct mtk_ddp_comp *comp, enum mtk_ddp_comp_id comp_id,
+ const struct mtk_ddp_comp_funcs *funcs);
+int mtk_ddp_comp_register(struct drm_device *drm, struct mtk_ddp_comp *comp);
+void mtk_ddp_comp_unregister(struct drm_device *drm, struct mtk_ddp_comp *comp);
+
+#endif /* MTK_DRM_DDP_COMP_H */