1 /* 2 * Copyright 2009, Haiku, Inc. All rights reserved. 3 * Distributed under the terms of the MIT License. 4 */ 5 #ifndef _ACCELERANT_H_ 6 #define _ACCELERANT_H_ 7 8 9 #include <GraphicsDefs.h> 10 #include <OS.h> 11 12 13 #if defined(__cplusplus) 14 extern "C" { 15 #endif 16 17 18 #define B_ACCELERANT_ENTRY_POINT "get_accelerant_hook" 19 #define B_ACCELERANT_VERSION 1 20 21 22 typedef void* (*GetAccelerantHook)(uint32, void*); 23 24 void* get_accelerant_hook(uint32 feature, void* data); 25 26 27 enum { 28 /* initialization */ 29 B_INIT_ACCELERANT = 0, /* required */ 30 B_ACCELERANT_CLONE_INFO_SIZE, /* required */ 31 B_GET_ACCELERANT_CLONE_INFO, /* required */ 32 B_CLONE_ACCELERANT, /* required */ 33 B_UNINIT_ACCELERANT, /* required */ 34 B_GET_ACCELERANT_DEVICE_INFO, /* required */ 35 B_ACCELERANT_RETRACE_SEMAPHORE, /* optional */ 36 37 /* mode configuration */ 38 B_ACCELERANT_MODE_COUNT = 0x100, /* required */ 39 B_GET_MODE_LIST, /* required */ 40 B_PROPOSE_DISPLAY_MODE, /* optional */ 41 B_SET_DISPLAY_MODE, /* required */ 42 B_GET_DISPLAY_MODE, /* required */ 43 B_GET_FRAME_BUFFER_CONFIG, /* required */ 44 B_GET_PIXEL_CLOCK_LIMITS, /* required */ 45 B_GET_TIMING_CONSTRAINTS, /* optional */ 46 B_MOVE_DISPLAY, /* optional */ 47 B_SET_INDEXED_COLORS, /* required if driver supports 8bit */ 48 /* indexed modes */ 49 B_DPMS_CAPABILITIES, /* required if driver supports DPMS */ 50 B_DPMS_MODE, /* required if driver supports DPMS */ 51 B_SET_DPMS_MODE, /* required if driver supports DPMS */ 52 B_GET_PREFERRED_DISPLAY_MODE, /* optional */ 53 B_GET_MONITOR_INFO, /* optional */ 54 B_GET_EDID_INFO, /* optional */ 55 56 /* cursor managment */ 57 B_MOVE_CURSOR = 0x200, /* optional */ 58 B_SET_CURSOR_SHAPE, /* optional */ 59 B_SHOW_CURSOR, /* optional */ 60 61 /* synchronization */ 62 B_ACCELERANT_ENGINE_COUNT = 0x300, /* required */ 63 B_ACQUIRE_ENGINE, /* required */ 64 B_RELEASE_ENGINE, /* required */ 65 B_WAIT_ENGINE_IDLE, /* required */ 66 B_GET_SYNC_TOKEN, /* required */ 67 B_SYNC_TO_TOKEN, /* required */ 68 69 /* 2D acceleration */ 70 B_SCREEN_TO_SCREEN_BLIT = 0x400, /* optional */ 71 B_FILL_RECTANGLE, /* optional */ 72 B_INVERT_RECTANGLE, /* optional */ 73 B_FILL_SPAN, /* optional */ 74 B_SCREEN_TO_SCREEN_TRANSPARENT_BLIT, /* optional */ 75 B_SCREEN_TO_SCREEN_SCALED_FILTERED_BLIT, /* optional. 76 NOTE: source and dest may NOT overlap */ 77 78 /* 3D acceleration */ 79 B_ACCELERANT_PRIVATE_START = (int)0x80000000 80 }; 81 82 83 typedef struct { 84 uint32 version; /* structure version number */ 85 char name[32]; /* a name the user will recognize */ 86 /* the device by */ 87 char chipset[32]; /* the chipset used by the device */ 88 char serial_no[32]; /* serial number for the device */ 89 uint32 memory; /* amount of memory on the device, */ 90 /* in bytes */ 91 uint32 dac_speed; /* nominal DAC speed, in MHz */ 92 } accelerant_device_info; 93 94 95 typedef struct { 96 uint32 pixel_clock; /* kHz */ 97 uint16 h_display; /* in pixels (not character clocks) */ 98 uint16 h_sync_start; 99 uint16 h_sync_end; 100 uint16 h_total; 101 uint16 v_display; /* in lines */ 102 uint16 v_sync_start; 103 uint16 v_sync_end; 104 uint16 v_total; 105 uint32 flags; /* sync polarity, etc. */ 106 } display_timing; 107 108 typedef struct { 109 display_timing timing; /* CTRC info */ 110 uint32 space; /* pixel configuration */ 111 uint16 virtual_width; /* in pixels */ 112 uint16 virtual_height; /* in lines */ 113 uint16 h_display_start; /* first displayed pixel in line */ 114 uint16 v_display_start; /* first displayed line */ 115 uint32 flags; /* mode flags (Some drivers use this */ 116 /* for dual head related options.) */ 117 } display_mode; 118 119 typedef struct { 120 void* frame_buffer; /* pointer to first byte of frame */ 121 /* buffer in virtual memory */ 122 123 void* frame_buffer_dma; /* pointer to first byte of frame */ 124 /* buffer in physical memory for DMA */ 125 126 uint32 bytes_per_row; /* number of bytes in one */ 127 /* virtual_width line */ 128 /* not neccesarily the same as */ 129 /* virtual_width * byte_per_pixel */ 130 } frame_buffer_config; 131 132 typedef struct { 133 uint16 h_res; /* minimum effective change in */ 134 /* horizontal pixels, usually 8 */ 135 136 uint16 h_sync_min; /* min/max horizontal sync pulse */ 137 /* width in pixels, a multiple of */ 138 /* h_res */ 139 uint16 h_sync_max; 140 uint16 h_blank_min; /* min/max horizontal blank pulse */ 141 /* width in pixels, a multiple of */ 142 /* h_res */ 143 uint16 h_blank_max; 144 uint16 v_res; /* minimum effective change in */ 145 /* vertical lines, usually 1 */ 146 147 uint16 v_sync_min; /* min/max vertical sync pulse */ 148 /* width in lines, a multiple of */ 149 /* v_res */ 150 uint16 v_sync_max; 151 uint16 v_blank_min; /* min/max vertical blank pulse */ 152 /* width in linex, a multiple of */ 153 /* v_res */ 154 uint16 v_blank_max; 155 } display_timing_constraints; 156 157 158 // WARNING: This is experimental new Haiku API 159 typedef struct { 160 uint32 version; 161 char vendor[128]; 162 char name[128]; 163 char serial_number[128]; 164 uint32 product_id; 165 struct { 166 uint16 week; 167 uint16 year; 168 } produced; 169 float width; 170 float height; 171 uint32 min_horizontal_frequency; /* in kHz */ 172 uint32 max_horizontal_frequency; 173 uint32 min_vertical_frequency; /* in Hz */ 174 uint32 max_vertical_frequency; 175 uint32 max_pixel_clock; /* in kHz */ 176 } monitor_info; 177 178 179 /* mode flags */ 180 enum { 181 B_SCROLL = 1 << 0, 182 B_8_BIT_DAC = 1 << 1, 183 B_HARDWARE_CURSOR = 1 << 2, 184 B_PARALLEL_ACCESS = 1 << 3, 185 B_DPMS = 1 << 4, 186 B_IO_FB_NA = 1 << 5 187 }; 188 189 190 /* power saver flags */ 191 enum { 192 B_DPMS_ON = 1 << 0, 193 B_DPMS_STAND_BY = 1 << 1, 194 B_DPMS_SUSPEND = 1 << 2, 195 B_DPMS_OFF = 1 << 3 196 }; 197 198 199 /* timing flags */ 200 enum { 201 B_BLANK_PEDESTAL = 1 << 27, 202 B_TIMING_INTERLACED = 1 << 28, 203 B_POSITIVE_HSYNC = 1 << 29, 204 B_POSITIVE_VSYNC = 1 << 30, 205 B_SYNC_ON_GREEN = 1 << 31 206 }; 207 208 209 typedef struct { 210 uint16 src_left; /* guaranteed constrained to */ 211 /* virtual width and height */ 212 uint16 src_top; 213 uint16 dest_left; 214 uint16 dest_top; 215 uint16 width; /* 0 to N, where zero means */ 216 /* one pixel, one means two pixels, */ 217 /* etc. */ 218 uint16 height; /* 0 to M, where zero means one */ 219 /* line, one means two lines, etc. */ 220 } blit_params; 221 222 223 typedef struct { 224 uint16 src_left; /* guaranteed constrained to */ 225 /* virtual width and height */ 226 uint16 src_top; 227 uint16 src_width; /* 0 to N, where zero means one */ 228 /* pixel, one means two pixels, */ 229 /* etc. */ 230 uint16 src_height; /* 0 to M, where zero means one */ 231 /* line, one means two lines, etc. */ 232 uint16 dest_left; 233 uint16 dest_top; 234 uint16 dest_width; /* 0 to N, where zero means one */ 235 /* pixel, one means two pixels, etc. */ 236 uint16 dest_height; /* 0 to M, where zero means one */ 237 /* line, one means two lines, etc. */ 238 } scaled_blit_params; 239 240 241 typedef struct { 242 uint16 left; /* guaranteed constrained to */ 243 /* virtual width and height */ 244 uint16 top; 245 uint16 right; 246 uint16 bottom; 247 } fill_rect_params; 248 249 250 typedef struct { 251 uint32 engine_id; /* 0 == no engine, 1,2,3 etc */ 252 /* individual engines */ 253 uint32 capability_mask; /* features this engine supports */ 254 void* opaque; /* optional pointer to engine */ 255 /* private storage */ 256 } engine_token; 257 258 259 enum { /* engine capabilities */ 260 B_2D_ACCELERATION = 1 << 0, 261 B_3D_ACCELERATION = 1 << 1 262 }; 263 264 265 typedef struct { 266 uint64 counter; /* counts issued primatives */ 267 uint32 engine_id; /* what engine the counter is for */ 268 char opaque[12]; /* 12 bytes of private storage */ 269 } sync_token; 270 271 272 /* Masks for color info */ 273 /* B_CMAP8 - 0x000000ff */ 274 /* B_RGB15/16 - 0x0000ffff */ 275 /* B_RGB24 - 0x00ffffff */ 276 /* B_RGB32 - 0xffffffff */ 277 278 typedef status_t (*init_accelerant)(int fd); 279 typedef ssize_t (*accelerant_clone_info_size)(void); 280 typedef void (*get_accelerant_clone_info)(void* data); 281 typedef status_t (*clone_accelerant)(void* data); 282 typedef void (*uninit_accelerant)(void); 283 typedef status_t (*get_accelerant_device_info)(accelerant_device_info* adi); 284 285 typedef uint32 (*accelerant_mode_count)(void); 286 typedef status_t (*get_mode_list)(display_mode*); 287 typedef status_t (*propose_display_mode)(display_mode* target, 288 display_mode* low, display_mode* high); 289 typedef status_t (*set_display_mode)(display_mode* mode_to_set); 290 typedef status_t (*get_display_mode)(display_mode* current_mode); 291 typedef status_t (*get_frame_buffer_config)(frame_buffer_config* 292 a_frame_buffer); 293 typedef status_t (*get_pixel_clock_limits)(display_mode* dm, uint32* low, 294 uint32* high); 295 typedef status_t (*move_display_area)(uint16 h_display_start, 296 uint16 v_display_start); 297 typedef status_t (*get_timing_constraints)(display_timing_constraints* dtc); 298 typedef void (*set_indexed_colors)(uint count, uint8 first, uint8* color_data, 299 uint32 flags); 300 typedef uint32 (*dpms_capabilities)(void); 301 typedef uint32 (*dpms_mode)(void); 302 typedef status_t (*set_dpms_mode)(uint32 dpms_flags); 303 typedef status_t (*get_preferred_display_mode)(display_mode* preferredMode); 304 typedef status_t (*get_monitor_info)(monitor_info* info); 305 typedef status_t (*get_edid_info)(void* info, uint32 size, uint32* _version); 306 typedef sem_id (*accelerant_retrace_semaphore)(void); 307 308 typedef status_t (*set_cursor_shape)(uint16 width, uint16 height, 309 uint16 hot_x, uint16 hot_y, uint8* andMask, uint8* xorMask); 310 typedef void (*move_cursor)(uint16 x, uint16 y); 311 typedef void (*show_cursor)(bool is_visible); 312 313 typedef uint32 (*accelerant_engine_count)(void); 314 typedef status_t (*acquire_engine)(uint32 capabilities, uint32 max_wait, 315 sync_token* st, engine_token** et); 316 typedef status_t (*release_engine)(engine_token* et, sync_token* st); 317 typedef void (*wait_engine_idle)(void); 318 typedef status_t (*get_sync_token)(engine_token* et, sync_token* st); 319 typedef status_t (*sync_to_token)(sync_token* st); 320 321 typedef void (*screen_to_screen_blit)(engine_token* et, blit_params* list, 322 uint32 count); 323 typedef void (*fill_rectangle)(engine_token* et, uint32 color, 324 fill_rect_params* list, uint32 count); 325 typedef void (*invert_rectangle)(engine_token* et, fill_rect_params* list, 326 uint32 count); 327 typedef void (*screen_to_screen_transparent_blit)(engine_token* et, 328 uint32 transparent_color, blit_params* list, uint32 count); 329 typedef void (*screen_to_screen_scaled_filtered_blit)(engine_token* et, 330 scaled_blit_params* list, uint32 count); 331 332 typedef void (*fill_span)(engine_token* et, uint32 color, uint16* list, 333 uint32 count); 334 /* 335 The uint16* list points to a list of tripples: 336 list[N+0] Y co-ordinate of span 337 list[N+1] Left x co-ordinate of span 338 list[N+2] Right x co-ordinate of span 339 where N is in the range 0 to count-1. 340 */ 341 342 343 #if defined(__cplusplus) 344 } 345 #endif 346 347 #endif 348