1 #ifndef NOUVEAU_WINSYS_H
2 #define NOUVEAU_WINSYS_H
3 
4 #include <stdint.h>
5 #include <inttypes.h>
6 
7 #include "pipe/p_defines.h"
8 
9 #include <drm.h>
10 #include <nouveau.h>
11 
12 #ifndef NV04_PFIFO_MAX_PACKET_LEN
13 #define NV04_PFIFO_MAX_PACKET_LEN 2047
14 #endif
15 
16 #define NOUVEAU_MIN_BUFFER_MAP_ALIGN      64
17 #define NOUVEAU_MIN_BUFFER_MAP_ALIGN_MASK (NOUVEAU_MIN_BUFFER_MAP_ALIGN - 1)
18 
19 static inline uint32_t
PUSH_AVAIL(struct nouveau_pushbuf * push)20 PUSH_AVAIL(struct nouveau_pushbuf *push)
21 {
22    return push->end - push->cur;
23 }
24 
25 static inline bool
PUSH_SPACE(struct nouveau_pushbuf * push,uint32_t size)26 PUSH_SPACE(struct nouveau_pushbuf *push, uint32_t size)
27 {
28    /* Provide a buffer so that fences always have room to be emitted */
29    size += 8;
30    if (PUSH_AVAIL(push) < size)
31       return nouveau_pushbuf_space(push, size, 0, 0) == 0;
32    return true;
33 }
34 
35 static inline void
PUSH_DATA(struct nouveau_pushbuf * push,uint32_t data)36 PUSH_DATA(struct nouveau_pushbuf *push, uint32_t data)
37 {
38    *push->cur++ = data;
39 }
40 
41 static inline void
PUSH_DATAp(struct nouveau_pushbuf * push,const void * data,uint32_t size)42 PUSH_DATAp(struct nouveau_pushbuf *push, const void *data, uint32_t size)
43 {
44    memcpy(push->cur, data, size * 4);
45    push->cur += size;
46 }
47 
48 static inline void
PUSH_DATAf(struct nouveau_pushbuf * push,float f)49 PUSH_DATAf(struct nouveau_pushbuf *push, float f)
50 {
51    union { float f; uint32_t i; } u;
52    u.f = f;
53    PUSH_DATA(push, u.i);
54 }
55 
56 static inline void
PUSH_KICK(struct nouveau_pushbuf * push)57 PUSH_KICK(struct nouveau_pushbuf *push)
58 {
59    nouveau_pushbuf_kick(push, push->channel);
60 }
61 
62 
63 #define NOUVEAU_RESOURCE_FLAG_LINEAR   (PIPE_RESOURCE_FLAG_DRV_PRIV << 0)
64 #define NOUVEAU_RESOURCE_FLAG_DRV_PRIV (PIPE_RESOURCE_FLAG_DRV_PRIV << 1)
65 
66 static inline uint32_t
nouveau_screen_transfer_flags(unsigned pipe)67 nouveau_screen_transfer_flags(unsigned pipe)
68 {
69    uint32_t flags = 0;
70 
71    if (!(pipe & PIPE_TRANSFER_UNSYNCHRONIZED)) {
72       if (pipe & PIPE_TRANSFER_READ)
73          flags |= NOUVEAU_BO_RD;
74       if (pipe & PIPE_TRANSFER_WRITE)
75          flags |= NOUVEAU_BO_WR;
76       if (pipe & PIPE_TRANSFER_DONTBLOCK)
77          flags |= NOUVEAU_BO_NOBLOCK;
78    }
79 
80    return flags;
81 }
82 
83 extern struct nouveau_screen *
84 nv30_screen_create(struct nouveau_device *);
85 
86 extern struct nouveau_screen *
87 nv50_screen_create(struct nouveau_device *);
88 
89 extern struct nouveau_screen *
90 nvc0_screen_create(struct nouveau_device *);
91 
92 #endif
93