1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Copyright (C) Rockchip Electronics Co., Ltd.
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Author: Huang Lee <Putin.li@rock-chips.com>
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun #ifndef __LINUX_RGA_FENCE_H_
9*4882a593Smuzhiyun #define __LINUX_RGA_FENCE_H_
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun struct rga_fence_context {
12*4882a593Smuzhiyun unsigned int context;
13*4882a593Smuzhiyun unsigned int seqno;
14*4882a593Smuzhiyun spinlock_t spinlock;
15*4882a593Smuzhiyun };
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun struct rga_fence_waiter {
18*4882a593Smuzhiyun /* Base sync driver waiter structure */
19*4882a593Smuzhiyun struct dma_fence_cb waiter;
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun void *private;
22*4882a593Smuzhiyun };
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun #ifdef CONFIG_ROCKCHIP_RGA_ASYNC
25*4882a593Smuzhiyun int rga_fence_context_init(struct rga_fence_context **ctx);
26*4882a593Smuzhiyun void rga_fence_context_remove(struct rga_fence_context **ctx);
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun struct dma_fence *rga_dma_fence_alloc(void);
29*4882a593Smuzhiyun int rga_dma_fence_get_fd(struct dma_fence *fence);
30*4882a593Smuzhiyun struct dma_fence *rga_get_dma_fence_from_fd(int fence_fd);
31*4882a593Smuzhiyun int rga_dma_fence_wait(struct dma_fence *fence);
32*4882a593Smuzhiyun int rga_dma_fence_add_callback(struct dma_fence *fence, dma_fence_func_t func, void *private);
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun
rga_dma_fence_put(struct dma_fence * fence)35*4882a593Smuzhiyun static inline void rga_dma_fence_put(struct dma_fence *fence)
36*4882a593Smuzhiyun {
37*4882a593Smuzhiyun if (fence)
38*4882a593Smuzhiyun dma_fence_put(fence);
39*4882a593Smuzhiyun }
40*4882a593Smuzhiyun
rga_dma_fence_signal(struct dma_fence * fence,int error)41*4882a593Smuzhiyun static inline void rga_dma_fence_signal(struct dma_fence *fence, int error)
42*4882a593Smuzhiyun {
43*4882a593Smuzhiyun if (fence) {
44*4882a593Smuzhiyun if (error != 0)
45*4882a593Smuzhiyun dma_fence_set_error(fence, error);
46*4882a593Smuzhiyun dma_fence_signal(fence);
47*4882a593Smuzhiyun }
48*4882a593Smuzhiyun }
49*4882a593Smuzhiyun
rga_dma_fence_get_status(struct dma_fence * fence)50*4882a593Smuzhiyun static inline int rga_dma_fence_get_status(struct dma_fence *fence)
51*4882a593Smuzhiyun {
52*4882a593Smuzhiyun if (fence)
53*4882a593Smuzhiyun return dma_fence_get_status(fence);
54*4882a593Smuzhiyun else
55*4882a593Smuzhiyun return 1;
56*4882a593Smuzhiyun }
57*4882a593Smuzhiyun
58*4882a593Smuzhiyun #else
rga_dma_fence_alloc(void)59*4882a593Smuzhiyun static inline struct dma_fence *rga_dma_fence_alloc(void)
60*4882a593Smuzhiyun {
61*4882a593Smuzhiyun return NULL;
62*4882a593Smuzhiyun }
63*4882a593Smuzhiyun
rga_dma_fence_get_fd(struct dma_fence * fence)64*4882a593Smuzhiyun static inline int rga_dma_fence_get_fd(struct dma_fence *fence)
65*4882a593Smuzhiyun {
66*4882a593Smuzhiyun return 0;
67*4882a593Smuzhiyun }
68*4882a593Smuzhiyun
rga_get_dma_fence_from_fd(int fence_fd)69*4882a593Smuzhiyun static inline struct dma_fence *rga_get_dma_fence_from_fd(int fence_fd)
70*4882a593Smuzhiyun {
71*4882a593Smuzhiyun return NULL;
72*4882a593Smuzhiyun }
73*4882a593Smuzhiyun
rga_dma_fence_wait(struct dma_fence * fence)74*4882a593Smuzhiyun static inline int rga_dma_fence_wait(struct dma_fence *fence)
75*4882a593Smuzhiyun {
76*4882a593Smuzhiyun return 0;
77*4882a593Smuzhiyun }
78*4882a593Smuzhiyun
rga_dma_fence_add_callback(struct dma_fence * fence,dma_fence_func_t func,void * private)79*4882a593Smuzhiyun static inline int rga_dma_fence_add_callback(struct dma_fence *fence,
80*4882a593Smuzhiyun dma_fence_func_t func,
81*4882a593Smuzhiyun void *private)
82*4882a593Smuzhiyun {
83*4882a593Smuzhiyun return 0;
84*4882a593Smuzhiyun }
85*4882a593Smuzhiyun
rga_dma_fence_put(struct dma_fence * fence)86*4882a593Smuzhiyun static inline void rga_dma_fence_put(struct dma_fence *fence)
87*4882a593Smuzhiyun {
88*4882a593Smuzhiyun }
89*4882a593Smuzhiyun
rga_dma_fence_signal(struct dma_fence * fence,int error)90*4882a593Smuzhiyun static inline void rga_dma_fence_signal(struct dma_fence *fence, int error)
91*4882a593Smuzhiyun {
92*4882a593Smuzhiyun }
93*4882a593Smuzhiyun
rga_dma_fence_get_status(struct dma_fence * fence)94*4882a593Smuzhiyun static inline int rga_dma_fence_get_status(struct dma_fence *fence)
95*4882a593Smuzhiyun {
96*4882a593Smuzhiyun return 0;
97*4882a593Smuzhiyun }
98*4882a593Smuzhiyun
99*4882a593Smuzhiyun #endif /* #ifdef CONFIG_SYNC_FILE */
100*4882a593Smuzhiyun
101*4882a593Smuzhiyun #endif /* __LINUX_RGA_FENCE_H_ */
102