kernel_samsung_a34x-permissive/drivers/gpu/drm/mediatek/mtk_fence.h
2024-04-28 15:49:01 +02:00

189 lines
5.1 KiB
C
Executable file

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2019 MediaTek Inc.
*/
#ifndef __MTK_FENCE_H__
#define __MTK_FENCE_H__
#include <linux/mutex.h>
#include <linux/list.h>
#include <drm/mediatek_drm.h>
#include "mtk_drm_ddp_comp.h"
#include "mtk_drm_crtc.h"
#include "mtk_drm_plane.h"
#if defined(CONFIG_MTK_IOMMU_V2)
#include "ion_drv.h"
#include "ion_priv.h"
#include <soc/mediatek/smi.h>
#include "mtk_iommu_ext.h"
#include "pseudo_m4u.h"
#endif
#ifdef __cplusplus
extern "C" {
#endif
#define MTK_INVALID_ION_FD (-1)
#define MTK_INVALID_FENCE_FD (-1)
#define MTK_KERNEL_NO_ION_FD (-99)
struct fb_overlay_buffer_t {
/* Input */
int layer_id;
unsigned int layer_en;
unsigned int cache_sync;
/* Output */
unsigned int index;
int fence_fd;
};
enum BUFFER_STATE { create, insert, reg_configed, reg_updated, read_done };
enum MTK_TIMELINE_ENUM {
MTK_TIMELINE_OUTPUT_TIMELINE_ID = MTK_PLANE_INPUT_LAYER_COUNT,
MTK_TIMELINE_PRIMARY_PRESENT_TIMELINE_ID,
MTK_TIMELINE_OUTPUT_INTERFACE_TIMELINE_ID,
MTK_TIMELINE_SECONDARY_PRESENT_TIMELINE_ID,
MTK_TIMELINE_SF_PRIMARY_PRESENT_TIMELINE_ID,
MTK_TIMELINE_COUNT,
};
struct mtk_fence_buf_info {
struct list_head list;
unsigned int idx;
int fence;
#if defined(CONFIG_MTK_IOMMU_V2)
struct ion_client *client;
struct ion_handle *hnd;
#endif
unsigned long mva;
unsigned int size;
unsigned int mva_offset;
enum BUFFER_STATE buf_state;
unsigned int set_input_ticket;
unsigned int trigger_ticket; /* we can't update trigger_ticket_end,*/
/*because can't gurantee ticket being updated before cmdq callback*/
unsigned int release_ticket;
unsigned int enable;
unsigned long long ts_create;
unsigned long long ts_period_keep;
unsigned int seq;
unsigned int layer_type;
};
struct mtk_fence_sync_info {
unsigned int inited;
struct mutex mutex_lock;
unsigned int layer_id;
unsigned int fence_idx;
unsigned int timeline_idx;
unsigned int inc;
unsigned int cur_idx;
struct sw_sync_timeline *timeline;
struct list_head buf_list;
};
/* use another struct to avoid fence dependency with ddp_ovl.h */
struct FENCE_LAYER_INFO {
unsigned int layer;
unsigned int layer_en;
unsigned int fmt;
unsigned long addr;
unsigned long vaddr;
unsigned int src_x;
unsigned int src_y;
unsigned int src_w;
unsigned int src_h;
unsigned int src_pitch;
unsigned int dst_x;
unsigned int dst_y;
unsigned int dst_w;
unsigned int dst_h; /* clip region */
unsigned int keyEn;
unsigned int key;
unsigned int aen;
unsigned char alpha;
unsigned int isDirty;
unsigned int buff_idx;
unsigned int security;
};
struct mtk_fence_info {
unsigned int inited;
struct mutex sync_lock;
unsigned int layer_id;
unsigned int fence_idx;
unsigned int timeline_idx;
unsigned int fence_fd;
unsigned int inc;
unsigned int cur_idx;
struct sync_timeline *timeline;
struct list_head buf_list;
struct FENCE_LAYER_INFO cached_config;
};
struct mtk_fence_session_sync_info {
unsigned int session_id;
struct mtk_fence_info session_layer_info[MTK_TIMELINE_COUNT];
};
char *mtk_fence_session_mode_spy(unsigned int session_id);
void mtk_init_fence(void);
unsigned int mtk_query_frm_seq_by_addr(unsigned int session_id,
unsigned int layer_id,
unsigned long phy_addr);
bool mtk_update_buf_info(unsigned int session_id, unsigned int layer_id,
unsigned int idx, unsigned int mva_offset,
unsigned int seq);
struct mtk_fence_buf_info *mtk_init_buf_info(struct mtk_fence_buf_info *buf);
void mtk_release_fence(unsigned int session_id, unsigned int layer_id,
int fence);
void mtk_release_layer_fence(unsigned int session_id, unsigned int layer_id);
int mtk_release_present_fence(unsigned int session_id, unsigned int fence_idx, ktime_t time);
int mtk_release_sf_present_fence(unsigned int session_id,
unsigned int fence_idx);
int mtk_fence_get_output_timeline_id(void);
int mtk_fence_get_interface_timeline_id(void);
struct mtk_fence_buf_info *
mtk_fence_prepare_buf(struct drm_device *dev, struct drm_mtk_gem_submit *buf);
int mtk_fence_init(void);
int mtk_fence_get_cached_layer_info(unsigned int session_id,
unsigned int timeline_idx,
unsigned int *layer_en, unsigned long *addr,
unsigned int *fence_idx);
int mtk_fence_put_cached_layer_info(unsigned int session_id,
unsigned int timeline_idx,
struct mtk_plane_input_config *src,
unsigned long mva);
int mtk_fence_convert_input_to_fence_layer_info(
struct mtk_plane_input_config *src, struct FENCE_LAYER_INFO *dst,
unsigned long dst_mva);
unsigned int mtk_fence_query_buf_info(unsigned int session_id,
unsigned int timeline_id,
unsigned int idx, unsigned long *mva,
unsigned int *size, void **va,
int need_sync);
int mtk_fence_get_ovl_timeline_id(int layer_id);
int mtk_fence_get_present_timeline_id(unsigned int session_id);
int mtk_fence_get_sf_present_timeline_id(unsigned int session_id);
struct mtk_fence_session_sync_info *
disp_get_session_sync_info(unsigned int session_id);
void mtk_release_session_fence(unsigned int session_id);
struct mtk_fence_info *mtk_fence_get_layer_info(unsigned int session_id,
unsigned int timeline_id);
#ifdef __cplusplus
} /* extern C */
#endif
#endif