cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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mtk_drm_ddp_comp.h (6298B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * Copyright (c) 2015 MediaTek Inc.
      4 */
      5
      6#ifndef MTK_DRM_DDP_COMP_H
      7#define MTK_DRM_DDP_COMP_H
      8
      9#include <linux/io.h>
     10#include <linux/soc/mediatek/mtk-cmdq.h>
     11#include <linux/soc/mediatek/mtk-mmsys.h>
     12
     13struct device;
     14struct device_node;
     15struct drm_crtc;
     16struct drm_device;
     17struct mtk_plane_state;
     18struct drm_crtc_state;
     19
     20enum mtk_ddp_comp_type {
     21	MTK_DISP_AAL,
     22	MTK_DISP_BLS,
     23	MTK_DISP_CCORR,
     24	MTK_DISP_COLOR,
     25	MTK_DISP_DITHER,
     26	MTK_DISP_GAMMA,
     27	MTK_DISP_MUTEX,
     28	MTK_DISP_OD,
     29	MTK_DISP_OVL,
     30	MTK_DISP_OVL_2L,
     31	MTK_DISP_POSTMASK,
     32	MTK_DISP_PWM,
     33	MTK_DISP_RDMA,
     34	MTK_DISP_UFOE,
     35	MTK_DISP_WDMA,
     36	MTK_DPI,
     37	MTK_DSI,
     38	MTK_DDP_COMP_TYPE_MAX,
     39};
     40
     41struct mtk_ddp_comp;
     42struct cmdq_pkt;
     43struct mtk_ddp_comp_funcs {
     44	int (*clk_enable)(struct device *dev);
     45	void (*clk_disable)(struct device *dev);
     46	void (*config)(struct device *dev, unsigned int w,
     47		       unsigned int h, unsigned int vrefresh,
     48		       unsigned int bpc, struct cmdq_pkt *cmdq_pkt);
     49	void (*start)(struct device *dev);
     50	void (*stop)(struct device *dev);
     51	void (*register_vblank_cb)(struct device *dev,
     52				   void (*vblank_cb)(void *),
     53				   void *vblank_cb_data);
     54	void (*unregister_vblank_cb)(struct device *dev);
     55	void (*enable_vblank)(struct device *dev);
     56	void (*disable_vblank)(struct device *dev);
     57	unsigned int (*supported_rotations)(struct device *dev);
     58	unsigned int (*layer_nr)(struct device *dev);
     59	int (*layer_check)(struct device *dev,
     60			   unsigned int idx,
     61			   struct mtk_plane_state *state);
     62	void (*layer_config)(struct device *dev, unsigned int idx,
     63			     struct mtk_plane_state *state,
     64			     struct cmdq_pkt *cmdq_pkt);
     65	void (*gamma_set)(struct device *dev,
     66			  struct drm_crtc_state *state);
     67	void (*bgclr_in_on)(struct device *dev);
     68	void (*bgclr_in_off)(struct device *dev);
     69	void (*ctm_set)(struct device *dev,
     70			struct drm_crtc_state *state);
     71};
     72
     73struct mtk_ddp_comp {
     74	struct device *dev;
     75	int irq;
     76	enum mtk_ddp_comp_id id;
     77	const struct mtk_ddp_comp_funcs *funcs;
     78};
     79
     80static inline int mtk_ddp_comp_clk_enable(struct mtk_ddp_comp *comp)
     81{
     82	if (comp->funcs && comp->funcs->clk_enable)
     83		return comp->funcs->clk_enable(comp->dev);
     84
     85	return 0;
     86}
     87
     88static inline void mtk_ddp_comp_clk_disable(struct mtk_ddp_comp *comp)
     89{
     90	if (comp->funcs && comp->funcs->clk_disable)
     91		comp->funcs->clk_disable(comp->dev);
     92}
     93
     94static inline void mtk_ddp_comp_config(struct mtk_ddp_comp *comp,
     95				       unsigned int w, unsigned int h,
     96				       unsigned int vrefresh, unsigned int bpc,
     97				       struct cmdq_pkt *cmdq_pkt)
     98{
     99	if (comp->funcs && comp->funcs->config)
    100		comp->funcs->config(comp->dev, w, h, vrefresh, bpc, cmdq_pkt);
    101}
    102
    103static inline void mtk_ddp_comp_start(struct mtk_ddp_comp *comp)
    104{
    105	if (comp->funcs && comp->funcs->start)
    106		comp->funcs->start(comp->dev);
    107}
    108
    109static inline void mtk_ddp_comp_stop(struct mtk_ddp_comp *comp)
    110{
    111	if (comp->funcs && comp->funcs->stop)
    112		comp->funcs->stop(comp->dev);
    113}
    114
    115static inline void mtk_ddp_comp_register_vblank_cb(struct mtk_ddp_comp *comp,
    116						   void (*vblank_cb)(void *),
    117						   void *vblank_cb_data)
    118{
    119	if (comp->funcs && comp->funcs->register_vblank_cb)
    120		comp->funcs->register_vblank_cb(comp->dev, vblank_cb,
    121						vblank_cb_data);
    122}
    123
    124static inline void mtk_ddp_comp_unregister_vblank_cb(struct mtk_ddp_comp *comp)
    125{
    126	if (comp->funcs && comp->funcs->unregister_vblank_cb)
    127		comp->funcs->unregister_vblank_cb(comp->dev);
    128}
    129
    130static inline void mtk_ddp_comp_enable_vblank(struct mtk_ddp_comp *comp)
    131{
    132	if (comp->funcs && comp->funcs->enable_vblank)
    133		comp->funcs->enable_vblank(comp->dev);
    134}
    135
    136static inline void mtk_ddp_comp_disable_vblank(struct mtk_ddp_comp *comp)
    137{
    138	if (comp->funcs && comp->funcs->disable_vblank)
    139		comp->funcs->disable_vblank(comp->dev);
    140}
    141
    142static inline
    143unsigned int mtk_ddp_comp_supported_rotations(struct mtk_ddp_comp *comp)
    144{
    145	if (comp->funcs && comp->funcs->supported_rotations)
    146		return comp->funcs->supported_rotations(comp->dev);
    147
    148	return 0;
    149}
    150
    151static inline unsigned int mtk_ddp_comp_layer_nr(struct mtk_ddp_comp *comp)
    152{
    153	if (comp->funcs && comp->funcs->layer_nr)
    154		return comp->funcs->layer_nr(comp->dev);
    155
    156	return 0;
    157}
    158
    159static inline int mtk_ddp_comp_layer_check(struct mtk_ddp_comp *comp,
    160					   unsigned int idx,
    161					   struct mtk_plane_state *state)
    162{
    163	if (comp->funcs && comp->funcs->layer_check)
    164		return comp->funcs->layer_check(comp->dev, idx, state);
    165	return 0;
    166}
    167
    168static inline void mtk_ddp_comp_layer_config(struct mtk_ddp_comp *comp,
    169					     unsigned int idx,
    170					     struct mtk_plane_state *state,
    171					     struct cmdq_pkt *cmdq_pkt)
    172{
    173	if (comp->funcs && comp->funcs->layer_config)
    174		comp->funcs->layer_config(comp->dev, idx, state, cmdq_pkt);
    175}
    176
    177static inline void mtk_ddp_gamma_set(struct mtk_ddp_comp *comp,
    178				     struct drm_crtc_state *state)
    179{
    180	if (comp->funcs && comp->funcs->gamma_set)
    181		comp->funcs->gamma_set(comp->dev, state);
    182}
    183
    184static inline void mtk_ddp_comp_bgclr_in_on(struct mtk_ddp_comp *comp)
    185{
    186	if (comp->funcs && comp->funcs->bgclr_in_on)
    187		comp->funcs->bgclr_in_on(comp->dev);
    188}
    189
    190static inline void mtk_ddp_comp_bgclr_in_off(struct mtk_ddp_comp *comp)
    191{
    192	if (comp->funcs && comp->funcs->bgclr_in_off)
    193		comp->funcs->bgclr_in_off(comp->dev);
    194}
    195
    196static inline void mtk_ddp_ctm_set(struct mtk_ddp_comp *comp,
    197				   struct drm_crtc_state *state)
    198{
    199	if (comp->funcs && comp->funcs->ctm_set)
    200		comp->funcs->ctm_set(comp->dev, state);
    201}
    202
    203int mtk_ddp_comp_get_id(struct device_node *node,
    204			enum mtk_ddp_comp_type comp_type);
    205unsigned int mtk_drm_find_possible_crtc_by_comp(struct drm_device *drm,
    206						struct device *dev);
    207int mtk_ddp_comp_init(struct device_node *comp_node, struct mtk_ddp_comp *comp,
    208		      enum mtk_ddp_comp_id comp_id);
    209enum mtk_ddp_comp_type mtk_ddp_comp_get_type(enum mtk_ddp_comp_id comp_id);
    210void mtk_ddp_write(struct cmdq_pkt *cmdq_pkt, unsigned int value,
    211		   struct cmdq_client_reg *cmdq_reg, void __iomem *regs,
    212		   unsigned int offset);
    213void mtk_ddp_write_relaxed(struct cmdq_pkt *cmdq_pkt, unsigned int value,
    214			   struct cmdq_client_reg *cmdq_reg, void __iomem *regs,
    215			   unsigned int offset);
    216void mtk_ddp_write_mask(struct cmdq_pkt *cmdq_pkt, unsigned int value,
    217			struct cmdq_client_reg *cmdq_reg, void __iomem *regs,
    218			unsigned int offset, unsigned int mask);
    219#endif /* MTK_DRM_DDP_COMP_H */