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      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 *
     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
     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
     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
    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
    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
    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
    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