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Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_ddp_comp.h')
-rw-r--r--drivers/gpu/drm/mediatek/mtk_ddp_comp.h342
1 files changed, 342 insertions, 0 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_ddp_comp.h
new file mode 100644
index 000000000000..26236691ce4c
--- /dev/null
+++ b/drivers/gpu/drm/mediatek/mtk_ddp_comp.h
@@ -0,0 +1,342 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2015 MediaTek Inc.
+ */
+
+#ifndef MTK_DDP_COMP_H
+#define MTK_DDP_COMP_H
+
+#include <linux/io.h>
+#include <linux/pm_runtime.h>
+#include <linux/soc/mediatek/mtk-cmdq.h>
+#include <linux/soc/mediatek/mtk-mmsys.h>
+#include <linux/soc/mediatek/mtk-mutex.h>
+
+#include <drm/drm_modes.h>
+
+struct device;
+struct device_node;
+struct drm_crtc;
+struct drm_device;
+struct mtk_plane_state;
+struct drm_crtc_state;
+
+enum mtk_ddp_comp_type {
+ MTK_DISP_AAL,
+ MTK_DISP_BLS,
+ MTK_DISP_CCORR,
+ MTK_DISP_COLOR,
+ MTK_DISP_DITHER,
+ MTK_DISP_DSC,
+ MTK_DISP_GAMMA,
+ MTK_DISP_MERGE,
+ MTK_DISP_MUTEX,
+ MTK_DISP_OD,
+ MTK_DISP_OVL,
+ MTK_DISP_OVL_2L,
+ MTK_DISP_OVL_ADAPTOR,
+ MTK_DISP_POSTMASK,
+ MTK_DISP_PWM,
+ MTK_DISP_RDMA,
+ MTK_DISP_UFOE,
+ MTK_DISP_WDMA,
+ MTK_DPI,
+ MTK_DP_INTF,
+ MTK_DSI,
+ MTK_DDP_COMP_TYPE_MAX,
+};
+
+struct mtk_ddp_comp;
+struct cmdq_pkt;
+struct mtk_ddp_comp_funcs {
+ int (*power_on)(struct device *dev);
+ void (*power_off)(struct device *dev);
+ int (*clk_enable)(struct device *dev);
+ void (*clk_disable)(struct device *dev);
+ void (*config)(struct device *dev, unsigned int w,
+ unsigned int h, unsigned int vrefresh,
+ unsigned int bpc, struct cmdq_pkt *cmdq_pkt);
+ void (*start)(struct device *dev);
+ void (*stop)(struct device *dev);
+ void (*register_vblank_cb)(struct device *dev,
+ void (*vblank_cb)(void *),
+ void *vblank_cb_data);
+ void (*unregister_vblank_cb)(struct device *dev);
+ void (*enable_vblank)(struct device *dev);
+ void (*disable_vblank)(struct device *dev);
+ unsigned int (*supported_rotations)(struct device *dev);
+ unsigned int (*layer_nr)(struct device *dev);
+ int (*layer_check)(struct device *dev,
+ unsigned int idx,
+ struct mtk_plane_state *state);
+ void (*layer_config)(struct device *dev, unsigned int idx,
+ struct mtk_plane_state *state,
+ struct cmdq_pkt *cmdq_pkt);
+ unsigned int (*gamma_get_lut_size)(struct device *dev);
+ void (*gamma_set)(struct device *dev,
+ struct drm_crtc_state *state);
+ void (*bgclr_in_on)(struct device *dev);
+ void (*bgclr_in_off)(struct device *dev);
+ void (*ctm_set)(struct device *dev,
+ struct drm_crtc_state *state);
+ struct device * (*dma_dev_get)(struct device *dev);
+ const u32 *(*get_formats)(struct device *dev);
+ size_t (*get_num_formats)(struct device *dev);
+ void (*connect)(struct device *dev, struct device *mmsys_dev, unsigned int next);
+ void (*disconnect)(struct device *dev, struct device *mmsys_dev, unsigned int next);
+ void (*add)(struct device *dev, struct mtk_mutex *mutex);
+ void (*remove)(struct device *dev, struct mtk_mutex *mutex);
+ unsigned int (*encoder_index)(struct device *dev);
+ enum drm_mode_status (*mode_valid)(struct device *dev, const struct drm_display_mode *mode);
+};
+
+struct mtk_ddp_comp {
+ struct device *dev;
+ int irq;
+ unsigned int id;
+ int encoder_index;
+ const struct mtk_ddp_comp_funcs *funcs;
+};
+
+static inline int mtk_ddp_comp_power_on(struct mtk_ddp_comp *comp)
+{
+ if (comp->funcs && comp->funcs->power_on)
+ return comp->funcs->power_on(comp->dev);
+ else
+ return pm_runtime_resume_and_get(comp->dev);
+ return 0;
+}
+
+static inline void mtk_ddp_comp_power_off(struct mtk_ddp_comp *comp)
+{
+ if (comp->funcs && comp->funcs->power_off)
+ comp->funcs->power_off(comp->dev);
+ else
+ pm_runtime_put(comp->dev);
+}
+
+static inline int mtk_ddp_comp_clk_enable(struct mtk_ddp_comp *comp)
+{
+ if (comp->funcs && comp->funcs->clk_enable)
+ return comp->funcs->clk_enable(comp->dev);
+
+ return 0;
+}
+
+static inline void mtk_ddp_comp_clk_disable(struct mtk_ddp_comp *comp)
+{
+ if (comp->funcs && comp->funcs->clk_disable)
+ comp->funcs->clk_disable(comp->dev);
+}
+
+static inline
+enum drm_mode_status mtk_ddp_comp_mode_valid(struct mtk_ddp_comp *comp,
+ const struct drm_display_mode *mode)
+{
+ if (comp && comp->funcs && comp->funcs->mode_valid)
+ return comp->funcs->mode_valid(comp->dev, mode);
+ return MODE_OK;
+}
+
+static inline void mtk_ddp_comp_config(struct mtk_ddp_comp *comp,
+ unsigned int w, unsigned int h,
+ unsigned int vrefresh, unsigned int bpc,
+ struct cmdq_pkt *cmdq_pkt)
+{
+ if (comp->funcs && comp->funcs->config)
+ comp->funcs->config(comp->dev, w, h, vrefresh, bpc, cmdq_pkt);
+}
+
+static inline void mtk_ddp_comp_start(struct mtk_ddp_comp *comp)
+{
+ if (comp->funcs && comp->funcs->start)
+ comp->funcs->start(comp->dev);
+}
+
+static inline void mtk_ddp_comp_stop(struct mtk_ddp_comp *comp)
+{
+ if (comp->funcs && comp->funcs->stop)
+ comp->funcs->stop(comp->dev);
+}
+
+static inline void mtk_ddp_comp_register_vblank_cb(struct mtk_ddp_comp *comp,
+ void (*vblank_cb)(void *),
+ void *vblank_cb_data)
+{
+ if (comp->funcs && comp->funcs->register_vblank_cb)
+ comp->funcs->register_vblank_cb(comp->dev, vblank_cb,
+ vblank_cb_data);
+}
+
+static inline void mtk_ddp_comp_unregister_vblank_cb(struct mtk_ddp_comp *comp)
+{
+ if (comp->funcs && comp->funcs->unregister_vblank_cb)
+ comp->funcs->unregister_vblank_cb(comp->dev);
+}
+
+static inline void mtk_ddp_comp_enable_vblank(struct mtk_ddp_comp *comp)
+{
+ if (comp->funcs && comp->funcs->enable_vblank)
+ comp->funcs->enable_vblank(comp->dev);
+}
+
+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->dev);
+}
+
+static inline
+unsigned int mtk_ddp_comp_supported_rotations(struct mtk_ddp_comp *comp)
+{
+ if (comp->funcs && comp->funcs->supported_rotations)
+ return comp->funcs->supported_rotations(comp->dev);
+
+ return 0;
+}
+
+static inline unsigned int mtk_ddp_comp_layer_nr(struct mtk_ddp_comp *comp)
+{
+ if (comp->funcs && comp->funcs->layer_nr)
+ return comp->funcs->layer_nr(comp->dev);
+
+ return 0;
+}
+
+static inline int mtk_ddp_comp_layer_check(struct mtk_ddp_comp *comp,
+ unsigned int idx,
+ struct mtk_plane_state *state)
+{
+ if (comp->funcs && comp->funcs->layer_check)
+ return comp->funcs->layer_check(comp->dev, idx, state);
+ return 0;
+}
+
+static inline void mtk_ddp_comp_layer_config(struct mtk_ddp_comp *comp,
+ unsigned int idx,
+ struct mtk_plane_state *state,
+ struct cmdq_pkt *cmdq_pkt)
+{
+ if (comp->funcs && comp->funcs->layer_config)
+ comp->funcs->layer_config(comp->dev, idx, state, cmdq_pkt);
+}
+
+static inline unsigned int mtk_ddp_gamma_get_lut_size(struct mtk_ddp_comp *comp)
+{
+ if (comp->funcs && comp->funcs->gamma_get_lut_size)
+ return comp->funcs->gamma_get_lut_size(comp->dev);
+
+ return 0;
+}
+
+static inline void mtk_ddp_gamma_set(struct mtk_ddp_comp *comp,
+ struct drm_crtc_state *state)
+{
+ if (comp->funcs && comp->funcs->gamma_set)
+ comp->funcs->gamma_set(comp->dev, state);
+}
+
+static inline void mtk_ddp_comp_bgclr_in_on(struct mtk_ddp_comp *comp)
+{
+ if (comp->funcs && comp->funcs->bgclr_in_on)
+ comp->funcs->bgclr_in_on(comp->dev);
+}
+
+static inline void mtk_ddp_comp_bgclr_in_off(struct mtk_ddp_comp *comp)
+{
+ if (comp->funcs && comp->funcs->bgclr_in_off)
+ comp->funcs->bgclr_in_off(comp->dev);
+}
+
+static inline void mtk_ddp_ctm_set(struct mtk_ddp_comp *comp,
+ struct drm_crtc_state *state)
+{
+ if (comp->funcs && comp->funcs->ctm_set)
+ comp->funcs->ctm_set(comp->dev, state);
+}
+
+static inline struct device *mtk_ddp_comp_dma_dev_get(struct mtk_ddp_comp *comp)
+{
+ if (comp->funcs && comp->funcs->dma_dev_get)
+ return comp->funcs->dma_dev_get(comp->dev);
+ return comp->dev;
+}
+
+static inline
+const u32 *mtk_ddp_comp_get_formats(struct mtk_ddp_comp *comp)
+{
+ if (comp->funcs && comp->funcs->get_formats)
+ return comp->funcs->get_formats(comp->dev);
+
+ return NULL;
+}
+
+static inline
+size_t mtk_ddp_comp_get_num_formats(struct mtk_ddp_comp *comp)
+{
+ if (comp->funcs && comp->funcs->get_num_formats)
+ return comp->funcs->get_num_formats(comp->dev);
+
+ return 0;
+}
+
+static inline bool mtk_ddp_comp_add(struct mtk_ddp_comp *comp, struct mtk_mutex *mutex)
+{
+ if (comp->funcs && comp->funcs->add) {
+ comp->funcs->add(comp->dev, mutex);
+ return true;
+ }
+ return false;
+}
+
+static inline bool mtk_ddp_comp_remove(struct mtk_ddp_comp *comp, struct mtk_mutex *mutex)
+{
+ if (comp->funcs && comp->funcs->remove) {
+ comp->funcs->remove(comp->dev, mutex);
+ return true;
+ }
+ return false;
+}
+
+static inline bool mtk_ddp_comp_connect(struct mtk_ddp_comp *comp, struct device *mmsys_dev,
+ unsigned int next)
+{
+ if (comp->funcs && comp->funcs->connect) {
+ comp->funcs->connect(comp->dev, mmsys_dev, next);
+ return true;
+ }
+ return false;
+}
+
+static inline bool mtk_ddp_comp_disconnect(struct mtk_ddp_comp *comp, struct device *mmsys_dev,
+ unsigned int next)
+{
+ if (comp->funcs && comp->funcs->disconnect) {
+ comp->funcs->disconnect(comp->dev, mmsys_dev, next);
+ return true;
+ }
+ return false;
+}
+
+static inline void mtk_ddp_comp_encoder_index_set(struct mtk_ddp_comp *comp)
+{
+ if (comp->funcs && comp->funcs->encoder_index)
+ comp->encoder_index = (int)comp->funcs->encoder_index(comp->dev);
+}
+
+int mtk_ddp_comp_get_id(struct device_node *node,
+ enum mtk_ddp_comp_type comp_type);
+unsigned int mtk_find_possible_crtcs(struct drm_device *drm, struct device *dev);
+int mtk_ddp_comp_init(struct device_node *comp_node, struct mtk_ddp_comp *comp,
+ unsigned int comp_id);
+enum mtk_ddp_comp_type mtk_ddp_comp_get_type(unsigned int comp_id);
+void mtk_ddp_write(struct cmdq_pkt *cmdq_pkt, unsigned int value,
+ struct cmdq_client_reg *cmdq_reg, void __iomem *regs,
+ unsigned int offset);
+void mtk_ddp_write_relaxed(struct cmdq_pkt *cmdq_pkt, unsigned int value,
+ struct cmdq_client_reg *cmdq_reg, void __iomem *regs,
+ unsigned int offset);
+void mtk_ddp_write_mask(struct cmdq_pkt *cmdq_pkt, unsigned int value,
+ struct cmdq_client_reg *cmdq_reg, void __iomem *regs,
+ unsigned int offset, unsigned int mask);
+#endif /* MTK_DDP_COMP_H */