display_buffer.c

   1 /*-
   2  * Copyright (C) 2011, 2012 glevand <geoffrey.levand@mail.ru>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer,
  10  *    without modification, immediately at the beginning of the file.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  *
  26  * $FreeBSD$
  27  */
  28
  29 #include <stdio.h>
  30 #include <stdlib.h>
  31 #include <stdint.h>
  32 #include <string.h>
  33
  34 #include <sys/types.h>
  35 #include <sys/stat.h>
  36 #include <sys/uio.h>
  37 #include <sys/ioctl.h>
  38 #include <sys/mman.h>
  39 #include <sys/fbio.h>
  40 #include <sys/consio.h>
  41 #include <fcntl.h>
  42 #include <unistd.h>
  43
  44 #include "ps3gpu_ctl.h"
  45 #include "ps3gpu_mth.h"
  46 #include "reset_gpu_state.h"
  47 #include "util.h"
  48
  49 #define PS3GPU_DEV_PATH "/dev/ps3gpu"
  50
  51 #define DISPLAY_WIDTH   1920
  52 #define DISPLAY_HEIGHT  1080
  53 #define DISPLAY_BPP     4
  54 #define DISPLAY_PITCH   (DISPLAY_WIDTH * DISPLAY_BPP)
  55
  56 int
  57 main(int argc, char **argv)
  58 {
  59         struct ps3gpu_ctl_context_allocate context_allocate;
  60         struct ps3gpu_ctl_context_free context_free;
  61         struct ps3gpu_ctl_memory_allocate memory_allocate;
  62         struct ps3gpu_ctl_setup_control setup_control;
  63         struct ps3gpu_ctl_display_buffer_set display_buffer_set;
  64         int context_id;
  65         volatile uint32_t *control;
  66         volatile uint8_t *driver_info;
  67         uint32_t *fifo, *reset_gpu, *db[2];
  68         unsigned long fifo_handle, db_handle[2];
  69         unsigned int fifo_gaddr, reset_gpu_gaddr, db_gaddr[2];
  70         int fd = -1;
  71         int err;
  72
  73         /* Open GPU device */
  74
  75         fd = open(PS3GPU_DEV_PATH, O_RDWR);
  76         if (fd < 0) {
  77                 perror("open");
  78                 goto done;
  79         }
  80
  81         /* Create GPU context */
  82
  83         context_allocate.vram_size = 64; /* MB */
  84
  85         err = ioctl(fd, PS3GPU_CTL_CONTEXT_ALLOCATE, &context_allocate);
  86         if (err < 0) {
  87                 perror("ioctl");
  88                 goto done;
  89         }
  90
  91         context_id = context_allocate.context_id;
  92
  93         printf("context id %d\n", context_id);
  94         printf("control handle 0x%lx size %d\n",
  95             context_allocate.control_handle, context_allocate.control_size);
  96         printf("driver_info handle 0x%lx size %d\n",
  97             context_allocate.driver_info_handle, context_allocate.driver_info_size);
  98
  99         /* Map control registers */
 100
 101         control = mmap(NULL, context_allocate.control_size,
 102             PROT_READ | PROT_WRITE, MAP_SHARED, fd, context_allocate.control_handle);
 103         if (control == (void *) MAP_FAILED) {
 104                 perror("mmap");
 105                 goto done;
 106         }
 107
 108         /* Map driver info */
 109
 110         driver_info = mmap(NULL, context_allocate.driver_info_size,
 111             PROT_READ | PROT_WRITE, MAP_SHARED, fd, context_allocate.driver_info_handle);
 112         if (driver_info == (void *) MAP_FAILED) {
 113                 perror("mmap");
 114                 goto done;
 115         }
 116
 117         printf("channel id %d\n", get_channel_id(driver_info));
 118
 119         /* Allocate FIFO */
 120
 121         memory_allocate.context_id = context_id;
 122         memory_allocate.type = PS3GPU_CTL_MEMORY_TYPE_GART;
 123         memory_allocate.size = 64 * 1024;
 124         memory_allocate.align = 12;
 125
 126         err = ioctl(fd, PS3GPU_CTL_MEMORY_ALLOCATE, &memory_allocate);
 127         if (err < 0) {
 128                 perror("ioctl");
 129                 goto done;
 130         }
 131
 132         fifo_handle = memory_allocate.handle;
 133         fifo_gaddr = memory_allocate.gpu_addr;
 134
 135         printf("fifo handle 0x%lx gpu addr 0x%08x\n",
 136             fifo_handle, fifo_gaddr);
 137
 138         /* Map FIFO */
 139
 140         fifo = mmap(NULL, memory_allocate.size,
 141             PROT_READ | PROT_WRITE, MAP_SHARED, fd, fifo_handle);
 142         if (fifo == (void *) MAP_FAILED) {
 143                 perror("mmap");
 144                 goto done;
 145         }
 146
 147         /* Setup FIFO */
 148
 149         setup_control.context_id = context_id;
 150         setup_control.put = fifo_handle;
 151         setup_control.get = fifo_handle;
 152         setup_control.ref = 0xdeadbabe;
 153
 154         err = ioctl(fd, PS3GPU_CTL_SETUP_CONTROL, &setup_control);
 155         if (err < 0) {
 156                 perror("ioctl");
 157                 goto done;
 158         }
 159
 160         printf("FIFO put 0x%08x get 0x%08x ref 0x%08x\n",
 161             control[0x10], control[0x11], control[0x12]);
 162
 163         /* Allocate FIFO for resetting GPU state */
 164
 165         memory_allocate.context_id = context_id;
 166         memory_allocate.type = PS3GPU_CTL_MEMORY_TYPE_GART;
 167         memory_allocate.size = 4 * 1024;
 168         memory_allocate.align = 12;
 169
 170         err = ioctl(fd, PS3GPU_CTL_MEMORY_ALLOCATE, &memory_allocate);
 171         if (err < 0) {
 172                 perror("ioctl");
 173                 goto done;
 174         }
 175
 176         reset_gpu_gaddr = memory_allocate.gpu_addr;
 177
 178         printf("reset GPU state handle 0x%lx gpu addr 0x%08x\n",
 179             memory_allocate.handle, reset_gpu_gaddr);
 180
 181         /* Map FIFO for resetting GPU state */
 182
 183         reset_gpu = mmap(NULL, memory_allocate.size,
 184             PROT_READ | PROT_WRITE, MAP_SHARED, fd, memory_allocate.handle);
 185         if (reset_gpu == (void *) MAP_FAILED) {
 186                 perror("mmap");
 187                 goto done;
 188         }
 189
 190         memcpy(reset_gpu, reset_gpu_state_3d, reset_gpu_state_3d_size);
 191
 192         /* Kick FIFO */
 193
 194         fifo[0] = PS3GPU_MTH_HDR(0, 0, reset_gpu_gaddr | PS3GPU_MTH_ADDR_CALL);
 195         fifo[1] = PS3GPU_MTH_HDR(1, 0, PS3GPU_MTH_ADDR_REF);
 196         fifo[2] = 0xcafef00d;
 197
 198         control[0x10] = fifo_gaddr + 3 * sizeof(uint32_t);
 199
 200         while (control[0x10] != control[0x11])
 201                 usleep(1000);
 202
 203         printf("FIFO put 0x%08x get 0x%08x ref 0x%08x\n",
 204             control[0x10], control[0x11], control[0x12]);
 205
 206         /* Allocate display buffers */
 207
 208         memory_allocate.context_id = context_id;
 209         memory_allocate.type = PS3GPU_CTL_MEMORY_TYPE_VIDEO;
 210         memory_allocate.size = 9 * 1024 * 1024;
 211         memory_allocate.align = 12;
 212
 213         err = ioctl(fd, PS3GPU_CTL_MEMORY_ALLOCATE, &memory_allocate);
 214         if (err < 0) {
 215                 perror("ioctl");
 216                 goto done;
 217         }
 218
 219         db_handle[0] = memory_allocate.handle;
 220         db_gaddr[0] = memory_allocate.gpu_addr;
 221
 222         printf("DB0 handle 0x%lx gpu addr 0x%08x\n",
 223             db_handle[0], db_gaddr[0]);
 224
 225         db[0] = mmap(NULL, memory_allocate.size,
 226             PROT_READ | PROT_WRITE, MAP_SHARED, fd, db_handle[0]);
 227         if (db[0] == (void *) MAP_FAILED) {
 228                 perror("mmap");
 229                 goto done;
 230         }
 231
 232         memset32(db[0], 0xff00ff00, DISPLAY_HEIGHT * DISPLAY_WIDTH);
 233
 234         memory_allocate.context_id = context_id;
 235         memory_allocate.type = PS3GPU_CTL_MEMORY_TYPE_VIDEO;
 236         memory_allocate.size = 9 * 1024 * 1024;
 237         memory_allocate.align = 12;
 238
 239         err = ioctl(fd, PS3GPU_CTL_MEMORY_ALLOCATE, &memory_allocate);
 240         if (err < 0) {
 241                 perror("ioctl");
 242                 goto done;
 243         }
 244
 245         db_handle[1] = memory_allocate.handle;
 246         db_gaddr[1] = memory_allocate.gpu_addr;
 247
 248         printf("DB1 handle 0x%lx gpu addr 0x%08x\n",
 249             db_handle[1], db_gaddr[1]);
 250
 251         db[1] = mmap(NULL, memory_allocate.size,
 252             PROT_READ | PROT_WRITE, MAP_SHARED, fd, db_handle[1]);
 253         if (db[1] == (void *) MAP_FAILED) {
 254                 perror("mmap");
 255                 goto done;
 256         }
 257
 258         memset32(db[1], 0xffffff00, DISPLAY_HEIGHT * DISPLAY_WIDTH);
 259
 260         /* Set display buffers */
 261
 262         display_buffer_set.context_id = context_id;
 263         display_buffer_set.buffer_id = 0;
 264         display_buffer_set.width = DISPLAY_WIDTH;
 265         display_buffer_set.height = DISPLAY_HEIGHT;
 266         display_buffer_set.pitch = DISPLAY_PITCH;
 267         display_buffer_set.offset = db_handle[0];
 268
 269         err = ioctl(fd, PS3GPU_CTL_DISPLAY_BUFFER_SET, &display_buffer_set);
 270         if (err < 0) {
 271                 perror("ioctl");
 272                 goto done;
 273         }
 274
 275         display_buffer_set.context_id = context_id;
 276         display_buffer_set.buffer_id = 1;
 277         display_buffer_set.width = DISPLAY_WIDTH;
 278         display_buffer_set.height = DISPLAY_HEIGHT;
 279         display_buffer_set.pitch = DISPLAY_PITCH;
 280         display_buffer_set.offset = db_handle[1];
 281
 282         err = ioctl(fd, PS3GPU_CTL_DISPLAY_BUFFER_SET, &display_buffer_set);
 283         if (err < 0) {
 284                 perror("ioctl");
 285                 goto done;
 286         }
 287
 288         /* Flip display buffer 0 */
 289
 290         setup_control.context_id = context_id;
 291         setup_control.put = fifo_handle;
 292         setup_control.get = fifo_handle;
 293         setup_control.ref = 0xdeadbabe;
 294
 295         err = ioctl(fd, PS3GPU_CTL_SETUP_CONTROL, &setup_control);
 296         if (err < 0) {
 297                 perror("ioctl");
 298                 goto done;
 299         }
 300
 301         err = flip_display_buffer(fifo, get_channel_id(driver_info), 0, 0);
 302
 303         control[0x10] = fifo_gaddr + err * sizeof(uint32_t);
 304
 305         while (control[0x10] != control[0x11])
 306                 usleep(1000);
 307
 308         printf("FIFO put 0x%08x get 0x%08x ref 0x%08x\n",
 309             control[0x10], control[0x11], control[0x12]);
 310
 311         usleep(3000000);
 312
 313         /* Flip display buffer 1 */
 314
 315         setup_control.context_id = context_id;
 316         setup_control.put = fifo_handle;
 317         setup_control.get = fifo_handle;
 318         setup_control.ref = 0xdeadbabe;
 319
 320         err = ioctl(fd, PS3GPU_CTL_SETUP_CONTROL, &setup_control);
 321         if (err < 0) {
 322                 perror("ioctl");
 323                 goto done;
 324         }
 325
 326         err = flip_display_buffer(fifo, get_channel_id(driver_info), 1, 0);
 327
 328         control[0x10] = fifo_gaddr + err * sizeof(uint32_t);
 329
 330         while (control[0x10] != control[0x11])
 331                 usleep(1000);
 332
 333         printf("FIFO put 0x%08x get 0x%08x ref 0x%08x\n",
 334             control[0x10], control[0x11], control[0x12]);
 335
 336         /* Destroy GPU context */
 337
 338         context_free.context_id = context_id;
 339
 340         err = ioctl(fd, PS3GPU_CTL_CONTEXT_FREE, &context_free);
 341         if (err < 0) {
 342                 perror("ioctl");
 343                 goto done;
 344         }
 345
 346 done:
 347
 348         if (fd >= 0)
 349                 close(fd);
 350
 351         /* Restore console */
 352
 353         ioctl(0, SW_TEXT_80x25, NULL);
 354
 355         exit(0);
 356 }