2 * (C) GraÅžvydas "notaz" Ignotas, 2011
4 * This work is licensed under the terms of any of these licenses
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.
11 #ifndef __GPULIB_GPU_H__
12 #define __GPULIB_GPU_H__
20 #define CMD_BUFFER_LEN 1024
22 #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
23 #define HTOLE32(x) __builtin_bswap32(x)
24 #define HTOLE16(x) __builtin_bswap16(x)
25 #define LE32TOH(x) __builtin_bswap32(x)
26 #define LE16TOH(x) __builtin_bswap16(x)
28 #define HTOLE32(x) (x)
29 #define HTOLE16(x) (x)
30 #define LE32TOH(x) (x)
31 #define LE16TOH(x) (x)
34 #define BIT(x) (1 << (x))
36 #define PSX_GPU_STATUS_DHEIGHT BIT(19)
37 #define PSX_GPU_STATUS_RGB24 BIT(21)
38 #define PSX_GPU_STATUS_INTERLACE BIT(22)
39 #define PSX_GPU_STATUS_BLANKING BIT(23)
40 #define PSX_GPU_STATUS_IMG BIT(27)
41 #define PSX_GPU_STATUS_DMA(x) ((x) << 29)
42 #define PSX_GPU_STATUS_DMA_MASK (BIT(29) | BIT(30))
45 uint32_t cmd_buffer[CMD_BUFFER_LEN];
59 short int offset, is_read;
65 uint32_t old_interlace:1;
66 uint32_t allow_interlace:2;
68 uint32_t enhancement_enable:1;
69 uint32_t enhancement_active:1;
70 uint32_t *frame_count;
71 uint32_t *hcnt; /* hsync count */
78 uint32_t last_vram_read_frame;
81 int32_t set:3; /* -1 auto, 0 off, 1-3 fixed */
82 int32_t cnt:3; /* amount skipped in a row */
85 uint32_t frame_ready:1;
87 uint32_t last_flip_frame;
88 uint32_t pending_fill[3];
90 uint16_t *(*get_enhancement_bufer)
91 (int *x, int *y, int *w, int *h, int *vram_h);
92 void *(*mmap)(unsigned int size);
93 void (*munmap)(void *ptr, unsigned int size);
96 extern struct psx_gpu gpu;
98 extern const unsigned char cmd_lengths[256];
100 int do_cmd_list(uint32_t *list, int count, int *last_cmd);
104 int renderer_init(void);
105 void renderer_finish(void);
106 void renderer_sync_ecmds(uint32_t * ecmds);
107 void renderer_update_caches(int x, int y, int w, int h);
108 void renderer_flush_queues(void);
109 void renderer_set_interlace(int enable, int is_odd);
110 void renderer_set_config(const struct rearmed_cbs *config);
111 void renderer_notify_res_change(void);
114 int vout_finish(void);
115 void vout_update(void);
116 void vout_blank(void);
117 void vout_set_config(const struct rearmed_cbs *config);
119 /* listing these here for correct linkage if rasterizer uses c++ */
123 long GPUshutdown(void);
124 void GPUwriteDataMem(uint32_t *mem, int count);
125 long GPUdmaChain(uint32_t *rambase, uint32_t addr, uint32_t *progress_addr);
126 void GPUwriteData(uint32_t data);
127 void GPUreadDataMem(uint32_t *mem, int count);
128 uint32_t GPUreadData(void);
129 uint32_t GPUreadStatus(void);
130 void GPUwriteStatus(uint32_t data);
131 long GPUfreeze(uint32_t type, struct GPUFreeze *freeze);
132 void GPUupdateLace(void);
133 long GPUopen(void **dpy);
135 void GPUvBlank(int is_vblank, int lcf);
136 void GPUrearmedCallbacks(const struct rearmed_cbs *cbs_);
142 #endif /* __GPULIB_GPU_H__ */