Commit | Line | Data |
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56f08d83 | 1 | /* |
2 | * (C) GraÅžvydas "notaz" Ignotas, 2011 | |
3 | * | |
4 | * This work is licensed under the terms of any of these licenses | |
5 | * (at your option): | |
6 | * - GNU GPL, version 2 or later. | |
7 | * - GNU LGPL, version 2.1 or later. | |
8 | * See the COPYING file in the top-level directory. | |
9 | */ | |
10 | ||
11 | #include <stdint.h> | |
12 | ||
6f2ee2be | 13 | #ifdef __cplusplus |
14 | extern "C" { | |
15 | #endif | |
16 | ||
56f08d83 | 17 | #define CMD_BUFFER_LEN 1024 |
18 | ||
89df80c6 PC |
19 | #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
20 | #define HTOLE32(x) __builtin_bswap32(x) | |
21 | #define HTOLE16(x) __builtin_bswap16(x) | |
22 | #define LE32TOH(x) __builtin_bswap32(x) | |
23 | #define LE16TOH(x) __builtin_bswap16(x) | |
24 | #else | |
25 | #define HTOLE32(x) (x) | |
26 | #define HTOLE16(x) (x) | |
27 | #define LE32TOH(x) (x) | |
28 | #define LE16TOH(x) (x) | |
29 | #endif | |
30 | ||
f23b103c PC |
31 | #define BIT(x) (1 << (x)) |
32 | ||
33 | #define PSX_GPU_STATUS_DHEIGHT BIT(19) | |
34 | #define PSX_GPU_STATUS_RGB24 BIT(21) | |
35 | #define PSX_GPU_STATUS_INTERLACE BIT(22) | |
36 | #define PSX_GPU_STATUS_BLANKING BIT(23) | |
37 | #define PSX_GPU_STATUS_IMG BIT(27) | |
38 | #define PSX_GPU_STATUS_DMA(x) ((x) << 29) | |
39 | #define PSX_GPU_STATUS_DMA_MASK (BIT(29) | BIT(30)) | |
40 | ||
56f08d83 | 41 | struct psx_gpu { |
56f08d83 | 42 | uint32_t cmd_buffer[CMD_BUFFER_LEN]; |
43 | uint32_t regs[16]; | |
9ee0fd5b | 44 | uint16_t *vram; |
f23b103c | 45 | uint32_t status; |
6e9bdaef | 46 | uint32_t gp0; |
47 | uint32_t ex_regs[8]; | |
56f08d83 | 48 | struct { |
8dd855cd | 49 | int hres, vres; |
56f08d83 | 50 | int x, y, w, h; |
8dd855cd | 51 | int x1, x2; |
56f08d83 | 52 | int y1, y2; |
53 | } screen; | |
54 | struct { | |
55 | int x, y, w, h; | |
05740673 | 56 | short int offset, is_read; |
57 | } dma, dma_start; | |
56f08d83 | 58 | int cmd_len; |
56f08d83 | 59 | uint32_t zero; |
fc84f618 | 60 | struct { |
61 | uint32_t fb_dirty:1; | |
5440b88e | 62 | uint32_t old_interlace:1; |
63 | uint32_t allow_interlace:2; | |
aafcb4dd | 64 | uint32_t blanked:1; |
0b02eb77 | 65 | uint32_t enhancement_enable:1; |
66 | uint32_t enhancement_active:1; | |
3ece2f0c | 67 | uint32_t *frame_count; |
68 | uint32_t *hcnt; /* hsync count */ | |
deb18d24 | 69 | struct { |
70 | uint32_t addr; | |
1c72b1c2 | 71 | uint32_t cycles; |
deb18d24 | 72 | uint32_t frame; |
73 | uint32_t hcnt; | |
74 | } last_list; | |
5440b88e | 75 | uint32_t last_vram_read_frame; |
fc84f618 | 76 | } state; |
77 | struct { | |
9fe27e25 | 78 | int32_t set:3; /* -1 auto, 0 off, 1-3 fixed */ |
79 | int32_t cnt:3; /* amount skipped in a row */ | |
fc84f618 | 80 | uint32_t active:1; |
fb4c6fba | 81 | uint32_t allow:1; |
fc84f618 | 82 | uint32_t frame_ready:1; |
83 | const int *advice; | |
fb4c6fba | 84 | uint32_t last_flip_frame; |
fbb4bfff | 85 | uint32_t pending_fill[3]; |
fc84f618 | 86 | } frameskip; |
a8be0deb | 87 | uint16_t *(*get_enhancement_bufer) |
fa56d360 | 88 | (int *x, int *y, int *w, int *h, int *vram_h); |
9ee0fd5b | 89 | void *(*mmap)(unsigned int size); |
90 | void (*munmap)(void *ptr, unsigned int size); | |
56f08d83 | 91 | }; |
92 | ||
93 | extern struct psx_gpu gpu; | |
94 | ||
95 | extern const unsigned char cmd_lengths[256]; | |
96 | ||
b243416b | 97 | int do_cmd_list(uint32_t *list, int count, int *last_cmd); |
56f08d83 | 98 | |
914455e6 | 99 | struct rearmed_cbs; |
100 | ||
9394ada5 | 101 | int renderer_init(void); |
e929dec5 | 102 | void renderer_finish(void); |
5b745e5b | 103 | void renderer_sync_ecmds(uint32_t * ecmds); |
05740673 | 104 | void renderer_update_caches(int x, int y, int w, int h); |
9394ada5 | 105 | void renderer_flush_queues(void); |
5440b88e | 106 | void renderer_set_interlace(int enable, int is_odd); |
914455e6 | 107 | void renderer_set_config(const struct rearmed_cbs *config); |
e929dec5 | 108 | void renderer_notify_res_change(void); |
9394ada5 | 109 | |
5440b88e | 110 | int vout_init(void); |
111 | int vout_finish(void); | |
112 | void vout_update(void); | |
aafcb4dd | 113 | void vout_blank(void); |
5440b88e | 114 | void vout_set_config(const struct rearmed_cbs *config); |
6f2ee2be | 115 | |
096ec49b | 116 | /* listing these here for correct linkage if rasterizer uses c++ */ |
117 | struct GPUFreeze; | |
096ec49b | 118 | |
119 | long GPUinit(void); | |
120 | long GPUshutdown(void); | |
121 | void GPUwriteDataMem(uint32_t *mem, int count); | |
122 | long GPUdmaChain(uint32_t *rambase, uint32_t addr); | |
123 | void GPUwriteData(uint32_t data); | |
124 | void GPUreadDataMem(uint32_t *mem, int count); | |
125 | uint32_t GPUreadData(void); | |
126 | uint32_t GPUreadStatus(void); | |
127 | void GPUwriteStatus(uint32_t data); | |
128 | long GPUfreeze(uint32_t type, struct GPUFreeze *freeze); | |
129 | void GPUupdateLace(void); | |
130 | long GPUopen(void **dpy); | |
131 | long GPUclose(void); | |
72e5023f | 132 | void GPUvBlank(int is_vblank, int lcf); |
096ec49b | 133 | void GPUrearmedCallbacks(const struct rearmed_cbs *cbs_); |
134 | ||
6f2ee2be | 135 | #ifdef __cplusplus |
136 | } | |
137 | #endif |