util.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
  47 int
  48 save_image(const char *filename, const char *buf, int len)
  49 {
  50         FILE *fp;
  51         int nwritten;
  52         int err = 0;
  53
  54         fp = fopen(filename, "w");
  55         if (!fp)
  56                 return (-1);
  57
  58         nwritten = fwrite(buf, 1, len, fp);
  59         if (nwritten != len)
  60                 err = -1;
  61
  62         fclose(fp);
  63
  64         return (err);
  65 }
  66
  67 int
  68 transfer_data(uint32_t *fifo, uint32_t src, uint32_t dst,
  69     uint32_t dst_offset, int32_t dst_pitch, uint32_t src_offset, int32_t src_pitch,
  70     uint32_t row_length, uint32_t row_count)
  71 {
  72         int h;
  73         int i = 0;
  74
  75         fifo[i++] = PS3GPU_MTH_HDR(2, 1, 0x184);
  76         fifo[i++] = src;
  77         fifo[i++] = dst;
  78
  79         while (row_count) {
  80                 h = row_count;
  81                 if (h > 2047)
  82                         h = 2047;
  83
  84                 fifo[i++] = PS3GPU_MTH_HDR(8, 1, 0x30c);
  85                 fifo[i++] = src_offset;
  86                 fifo[i++] = dst_offset;
  87                 fifo[i++] = src_pitch;
  88                 fifo[i++] = dst_pitch;
  89                 fifo[i++] = row_length;
  90                 fifo[i++] = h;
  91                 fifo[i++] = 0x00000101;
  92                 fifo[i++] = 0x00000000;
  93
  94                 src_offset += h * src_pitch;
  95                 dst_offset += h * dst_pitch;
  96                 row_count -= h;
  97         }
  98
  99         fifo[i++] = PS3GPU_MTH_HDR(1, 1, 0x310);
 100         fifo[i++] = 0x00000000;
 101
 102         return (i);
 103 }
 104
 105 int
 106 transfer_inline(uint32_t *fifo, uint32_t dst, uint32_t dst_offset,
 107     const uint32_t *data, uint32_t word_count)
 108 {
 109         int odd = word_count & 1;
 110         int i = 0;
 111
 112         fifo[i++] = PS3GPU_MTH_HDR(1, 3, 0x188);
 113         fifo[i++] = dst;
 114
 115         fifo[i++] = PS3GPU_MTH_HDR(1, 3, 0x30c);
 116         fifo[i++] = dst_offset & ~0x3f;
 117
 118         fifo[i++] = PS3GPU_MTH_HDR(2, 3, 0x300);
 119         fifo[i++] = 0x0000000b;
 120         fifo[i++] = 0x10001000;
 121
 122         fifo[i++] = PS3GPU_MTH_HDR(3, 5, 0x304);
 123         fifo[i++] = (dst_offset >> 2) & 0xf;
 124         fifo[i++] = 0x00010000 | word_count;
 125         fifo[i++] = 0x00010000 | word_count;
 126
 127         fifo[i++] = PS3GPU_MTH_HDR((word_count + 1) & ~1, 5, 0x400);
 128
 129         while (word_count--)
 130                 fifo[i++] = *data++;
 131
 132         if (odd)
 133                 fifo[i++] = 0x00000000;
 134
 135         return (i);
 136 }