1 #ifndef __NV50_SCREEN_H__
2 #define __NV50_SCREEN_H__
3 
4 #include "nouveau/nouveau_screen.h"
5 #include "nouveau/nouveau_fence.h"
6 #include "nouveau/nouveau_mm.h"
7 #include "nouveau/nouveau_heap.h"
8 
9 #include "nv50_winsys.h"
10 #include "nv50_stateobj.h"
11 
12 #define NV50_TIC_MAX_ENTRIES 2048
13 #define NV50_TSC_MAX_ENTRIES 2048
14 
15 /* doesn't count reserved slots (for auxiliary constants, immediates, etc.) */
16 #define NV50_MAX_PIPE_CONSTBUFS 14
17 
18 struct nv50_context;
19 
20 #define NV50_CODE_BO_SIZE_LOG2 19
21 
22 #define NV50_SCREEN_RESIDENT_BO_COUNT 5
23 
24 struct nv50_blitctx;
25 
26 struct nv50_screen {
27    struct nouveau_screen base;
28 
29    struct nv50_context *cur_ctx;
30 
31    struct nouveau_bo *code;
32    struct nouveau_bo *uniforms;
33    struct nouveau_bo *txc; /* TIC (offset 0) and TSC (65536) */
34    struct nouveau_bo *stack_bo;
35    struct nouveau_bo *tls_bo;
36 
37    unsigned TPs;
38    unsigned MPsInTP;
39    unsigned max_tls_space;
40    unsigned cur_tls_space;
41 
42    struct nouveau_heap *vp_code_heap;
43    struct nouveau_heap *gp_code_heap;
44    struct nouveau_heap *fp_code_heap;
45 
46    struct nv50_blitctx *blitctx;
47 
48    struct {
49       void **entries;
50       int next;
51       uint32_t lock[NV50_TIC_MAX_ENTRIES / 32];
52    } tic;
53 
54    struct {
55       void **entries;
56       int next;
57       uint32_t lock[NV50_TSC_MAX_ENTRIES / 32];
58    } tsc;
59 
60    struct {
61       uint32_t *map;
62       struct nouveau_bo *bo;
63    } fence;
64 
65    struct nouveau_object *sync;
66 
67    struct nouveau_object *tesla;
68    struct nouveau_object *eng2d;
69    struct nouveau_object *m2mf;
70 };
71 
72 static INLINE struct nv50_screen *
nv50_screen(struct pipe_screen * screen)73 nv50_screen(struct pipe_screen *screen)
74 {
75    return (struct nv50_screen *)screen;
76 }
77 
78 boolean nv50_blitctx_create(struct nv50_screen *);
79 
80 int nv50_screen_tic_alloc(struct nv50_screen *, void *);
81 int nv50_screen_tsc_alloc(struct nv50_screen *, void *);
82 
83 static INLINE void
nv50_resource_fence(struct nv04_resource * res,uint32_t flags)84 nv50_resource_fence(struct nv04_resource *res, uint32_t flags)
85 {
86    struct nv50_screen *screen = nv50_screen(res->base.screen);
87 
88    if (res->mm) {
89       nouveau_fence_ref(screen->base.fence.current, &res->fence);
90       if (flags & NOUVEAU_BO_WR)
91          nouveau_fence_ref(screen->base.fence.current, &res->fence_wr);
92    }
93 }
94 
95 static INLINE void
nv50_resource_validate(struct nv04_resource * res,uint32_t flags)96 nv50_resource_validate(struct nv04_resource *res, uint32_t flags)
97 {
98    if (likely(res->bo)) {
99       if (flags & NOUVEAU_BO_WR)
100          res->status |= NOUVEAU_BUFFER_STATUS_GPU_WRITING;
101       if (flags & NOUVEAU_BO_RD)
102          res->status |= NOUVEAU_BUFFER_STATUS_GPU_READING;
103 
104       nv50_resource_fence(res, flags);
105    }
106 }
107 
108 struct nv50_format {
109    uint32_t rt;
110    uint32_t tic;
111    uint32_t vtx;
112    uint32_t usage;
113 };
114 
115 extern const struct nv50_format nv50_format_table[];
116 
117 static INLINE void
nv50_screen_tic_unlock(struct nv50_screen * screen,struct nv50_tic_entry * tic)118 nv50_screen_tic_unlock(struct nv50_screen *screen, struct nv50_tic_entry *tic)
119 {
120    if (tic->id >= 0)
121       screen->tic.lock[tic->id / 32] &= ~(1 << (tic->id % 32));
122 }
123 
124 static INLINE void
nv50_screen_tsc_unlock(struct nv50_screen * screen,struct nv50_tsc_entry * tsc)125 nv50_screen_tsc_unlock(struct nv50_screen *screen, struct nv50_tsc_entry *tsc)
126 {
127    if (tsc->id >= 0)
128       screen->tsc.lock[tsc->id / 32] &= ~(1 << (tsc->id % 32));
129 }
130 
131 static INLINE void
nv50_screen_tic_free(struct nv50_screen * screen,struct nv50_tic_entry * tic)132 nv50_screen_tic_free(struct nv50_screen *screen, struct nv50_tic_entry *tic)
133 {
134    if (tic->id >= 0) {
135       screen->tic.entries[tic->id] = NULL;
136       screen->tic.lock[tic->id / 32] &= ~(1 << (tic->id % 32));
137    }
138 }
139 
140 static INLINE void
nv50_screen_tsc_free(struct nv50_screen * screen,struct nv50_tsc_entry * tsc)141 nv50_screen_tsc_free(struct nv50_screen *screen, struct nv50_tsc_entry *tsc)
142 {
143    if (tsc->id >= 0) {
144       screen->tsc.entries[tsc->id] = NULL;
145       screen->tsc.lock[tsc->id / 32] &= ~(1 << (tsc->id % 32));
146    }
147 }
148 
149 extern int nv50_tls_realloc(struct nv50_screen *screen, unsigned tls_space);
150 
151 #endif
152