annotate src/video/ipod/SDL_ipodvideo.c @ 1779:67fc81efcfc3

Made it easier to test some things on the framebuffer console
author Sam Lantinga <slouken@libsdl.org>
date Mon, 08 May 2006 05:30:15 +0000
parents 8d9bb0cf2c2a
children 782fd950bd46 c121d94672cb a1b03ba2fcd0
rev   line source
1402
d910939febfa Use consistent identifiers for the various platforms we support.
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 Sam Lantinga
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4
d910939febfa Use consistent identifiers for the various platforms we support.
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5 This library is free software; you can redistribute it and/or
d910939febfa Use consistent identifiers for the various platforms we support.
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6 modify it under the terms of the GNU Lesser General Public
d910939febfa Use consistent identifiers for the various platforms we support.
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7 License as published by the Free Software Foundation; either
d910939febfa Use consistent identifiers for the various platforms we support.
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
d910939febfa Use consistent identifiers for the various platforms we support.
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
d910939febfa Use consistent identifiers for the various platforms we support.
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
d910939febfa Use consistent identifiers for the various platforms we support.
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13 Lesser General Public License for more details.
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14
d910939febfa Use consistent identifiers for the various platforms we support.
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15 You should have received a copy of the GNU Lesser General Public
d910939febfa Use consistent identifiers for the various platforms we support.
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 #include <sys/types.h>
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25 #include <sys/ioctl.h>
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26
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27 #include <unistd.h>
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28 #include <fcntl.h>
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29 #include <string.h>
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30 #include <termios.h>
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31 #include <ctype.h>
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32
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33 #include <linux/vt.h>
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34 #include <linux/kd.h>
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35 #include <linux/keyboard.h>
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36 #include <linux/fb.h>
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37
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38 #include "SDL_video.h"
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39 #include "SDL_mouse.h"
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40 #include "../SDL_sysvideo.h"
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41 #include "../SDL_pixels_c.h"
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42 #include "../../events/SDL_events_c.h"
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43 #include "SDL_sysevents.h"
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44 #include "SDL_ipodvideo.h"
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45
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46 #define _THIS SDL_VideoDevice *this
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47
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48 static int iPod_VideoInit (_THIS, SDL_PixelFormat *vformat);
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49 static SDL_Rect **iPod_ListModes (_THIS, SDL_PixelFormat *format, Uint32 flags);
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50 static SDL_Surface *iPod_SetVideoMode (_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
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51 static int iPod_SetColors (_THIS, int firstcolor, int ncolors, SDL_Color *colors);
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52 static void iPod_UpdateRects (_THIS, int nrects, SDL_Rect *rects);
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53 static void iPod_VideoQuit (_THIS);
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54 static void iPod_PumpEvents (_THIS);
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55
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56 static long iPod_GetGeneration();
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57
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58 static int initd = 0;
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59 static int kbfd = -1;
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60 static int fbfd = -1;
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61 static int oldvt = -1;
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62 static int curvt = -1;
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63 static int old_kbmode = -1;
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64 static long generation = 0;
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65 static struct termios old_termios, cur_termios;
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66
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67 FILE *dbgout;
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68
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69 #define LCD_DATA 0x10
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70 #define LCD_CMD 0x08
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71 #define IPOD_OLD_LCD_BASE 0xc0001000
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72 #define IPOD_OLD_LCD_RTC 0xcf001110
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73 #define IPOD_NEW_LCD_BASE 0x70003000
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74 #define IPOD_NEW_LCD_RTC 0x60005010
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75
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76 static unsigned long lcd_base, lcd_rtc, lcd_width, lcd_height;
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77
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78 static long iPod_GetGeneration()
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79 {
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80 int i;
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81 char cpuinfo[256];
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82 char *ptr;
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83 FILE *file;
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84
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85 if ((file = fopen("/proc/cpuinfo", "r")) != NULL) {
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86 while (fgets(cpuinfo, sizeof(cpuinfo), file) != NULL)
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87 if (SDL_strncmp(cpuinfo, "Revision", 8) == 0)
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88 break;
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89 fclose(file);
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90 }
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91 for (i = 0; !isspace(cpuinfo[i]); i++);
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92 for (; isspace(cpuinfo[i]); i++);
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93 ptr = cpuinfo + i + 2;
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94
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95 return SDL_strtol(ptr, NULL, 10);
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96 }
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97
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98 static int iPod_Available()
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99 {
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100 return 1;
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101 }
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102
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103 static void iPod_DeleteDevice (SDL_VideoDevice *device)
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104 {
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105 free (device->hidden);
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106 free (device);
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107 }
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108
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109 void iPod_InitOSKeymap (_THIS) {}
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110
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111 static SDL_VideoDevice *iPod_CreateDevice (int devindex)
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112 {
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113 SDL_VideoDevice *this;
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114
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115 this = (SDL_VideoDevice *)SDL_malloc (sizeof(SDL_VideoDevice));
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116 if (this) {
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117 memset (this, 0, sizeof *this);
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118 this->hidden = (struct SDL_PrivateVideoData *) SDL_malloc (sizeof(struct SDL_PrivateVideoData));
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119 }
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120 if (!this || !this->hidden) {
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121 SDL_OutOfMemory();
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122 if (this)
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123 SDL_free (this);
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124 return 0;
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125 }
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126 memset (this->hidden, 0, sizeof(struct SDL_PrivateVideoData));
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127
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128 generation = iPod_GetGeneration();
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129
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130 this->VideoInit = iPod_VideoInit;
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131 this->ListModes = iPod_ListModes;
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132 this->SetVideoMode = iPod_SetVideoMode;
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133 this->SetColors = iPod_SetColors;
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134 this->UpdateRects = iPod_UpdateRects;
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135 this->VideoQuit = iPod_VideoQuit;
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136 this->AllocHWSurface = 0;
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137 this->CheckHWBlit = 0;
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138 this->FillHWRect = 0;
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139 this->SetHWColorKey = 0;
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140 this->SetHWAlpha = 0;
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141 this->LockHWSurface = 0;
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142 this->UnlockHWSurface = 0;
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143 this->FlipHWSurface = 0;
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144 this->FreeHWSurface = 0;
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145 this->SetCaption = 0;
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146 this->SetIcon = 0;
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147 this->IconifyWindow = 0;
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diff changeset
148 this->GrabInput = 0;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
149 this->GetWMInfo = 0;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
150 this->InitOSKeymap = iPod_InitOSKeymap;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
151 this->PumpEvents = iPod_PumpEvents;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
152 this->free = iPod_DeleteDevice;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
153
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
154 return this;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
155 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
156
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
157 VideoBootStrap iPod_bootstrap = {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
158 "ipod", "iPod Framebuffer Driver",
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
159 iPod_Available, iPod_CreateDevice
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
160 };
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
161
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
162 //--//
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
163
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
164 static int iPod_VideoInit (_THIS, SDL_PixelFormat *vformat)
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
165 {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
166 if (!initd) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
167 /*** Code adapted/copied from SDL fbcon driver. ***/
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
168
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
169 static const char * const tty0[] = { "/dev/tty0", "/dev/vc/0", 0 };
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
170 static const char * const vcs[] = { "/dev/vc/%d", "/dev/tty%d", 0 };
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
171 int i, tty0_fd;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
172
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
173 dbgout = fdopen (open ("/etc/sdlpod.log", O_WRONLY | O_SYNC | O_APPEND), "a");
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
174 if (dbgout) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
175 setbuf (dbgout, 0);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
176 fprintf (dbgout, "--> Started SDL <--\n");
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
177 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
178
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
179 // Try to query for a free VT
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
180 tty0_fd = -1;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
181 for ( i=0; tty0[i] && (tty0_fd < 0); ++i ) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
182 tty0_fd = open(tty0[i], O_WRONLY, 0);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
183 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
184 if ( tty0_fd < 0 ) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
185 tty0_fd = dup(0); /* Maybe stdin is a VT? */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
186 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
187 ioctl(tty0_fd, VT_OPENQRY, &curvt);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
188 close(tty0_fd);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
189
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
190 tty0_fd = open("/dev/tty", O_RDWR, 0);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
191 if ( tty0_fd >= 0 ) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
192 ioctl(tty0_fd, TIOCNOTTY, 0);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
193 close(tty0_fd);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
194 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
195
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
196 if ( (geteuid() == 0) && (curvt > 0) ) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
197 for ( i=0; vcs[i] && (kbfd < 0); ++i ) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
198 char vtpath[12];
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
199
1338
604d73db6802 Removed uses of stdlib.h and string.h
Sam Lantinga <slouken@libsdl.org>
parents: 1336
diff changeset
200 SDL_snprintf(vtpath, SDL_arraysize(vtpath), vcs[i], curvt);
1140
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
201 kbfd = open(vtpath, O_RDWR);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
202 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
203 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
204 if ( kbfd < 0 ) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
205 if (dbgout) fprintf (dbgout, "Couldn't open any VC\n");
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
206 return -1;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
207 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
208 if (dbgout) fprintf (stderr, "Current VT: %d\n", curvt);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
209
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
210 if (kbfd >= 0) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
211 /* Switch to the correct virtual terminal */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
212 if ( curvt > 0 ) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
213 struct vt_stat vtstate;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
214
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
215 if ( ioctl(kbfd, VT_GETSTATE, &vtstate) == 0 ) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
216 oldvt = vtstate.v_active;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
217 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
218 if ( ioctl(kbfd, VT_ACTIVATE, curvt) == 0 ) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
219 if (dbgout) fprintf (dbgout, "Waiting for switch to this VT... ");
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
220 ioctl(kbfd, VT_WAITACTIVE, curvt);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
221 if (dbgout) fprintf (dbgout, "done!\n");
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
222 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
223 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
224
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
225 // Set terminal input mode
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
226 if (tcgetattr (kbfd, &old_termios) < 0) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
227 if (dbgout) fprintf (dbgout, "Can't get termios\n");
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
228 return -1;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
229 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
230 cur_termios = old_termios;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
231 // cur_termios.c_iflag &= ~(ICRNL | INPCK | ISTRIP | IXON);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
232 // cur_termios.c_iflag |= (BRKINT);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
233 // cur_termios.c_lflag &= ~(ICANON | ECHO | ISIG | IEXTEN);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
234 // cur_termios.c_oflag &= ~(OPOST);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
235 // cur_termios.c_oflag |= (ONOCR | ONLRET);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
236 cur_termios.c_lflag &= ~(ICANON | ECHO | ISIG);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
237 cur_termios.c_iflag &= ~(ISTRIP | IGNCR | ICRNL | INLCR | IXOFF | IXON);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
238 cur_termios.c_cc[VMIN] = 0;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
239 cur_termios.c_cc[VTIME] = 0;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
240
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
241 if (tcsetattr (kbfd, TCSAFLUSH, &cur_termios) < 0) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
242 if (dbgout) fprintf (dbgout, "Can't set termios\n");
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
243 return -1;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
244 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
245 if (ioctl (kbfd, KDSKBMODE, K_MEDIUMRAW) < 0) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
246 if (dbgout) fprintf (dbgout, "Can't set medium-raw mode\n");
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
247 return -1;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
248 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
249 if (ioctl (kbfd, KDSETMODE, KD_GRAPHICS) < 0) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
250 if (dbgout) fprintf (dbgout, "Can't set graphics\n");
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
251 return -1;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
252 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
253 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
254
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
255 // Open the framebuffer
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
256 if ((fbfd = open ("/dev/fb0", O_RDWR)) < 0) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
257 if (dbgout) fprintf (dbgout, "Can't open framebuffer\n");
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
258 return -1;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
259 } else {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
260 struct fb_var_screeninfo vinfo;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
261
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
262 if (dbgout) fprintf (dbgout, "Generation: %ld\n", generation);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
263
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
264 if (generation >= 40000) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
265 lcd_base = IPOD_NEW_LCD_BASE;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
266 } else {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
267 lcd_base = IPOD_OLD_LCD_BASE;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
268 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
269
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
270 ioctl (fbfd, FBIOGET_VSCREENINFO, &vinfo);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
271 close (fbfd);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
272
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
273 if (lcd_base == IPOD_OLD_LCD_BASE)
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
274 lcd_rtc = IPOD_OLD_LCD_RTC;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
275 else if (lcd_base == IPOD_NEW_LCD_BASE)
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
276 lcd_rtc = IPOD_NEW_LCD_RTC;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
277 else {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
278 SDL_SetError ("Unknown iPod version");
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
279 return -1;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
280 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
281
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
282 lcd_width = vinfo.xres;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
283 lcd_height = vinfo.yres;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
284
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
285 if (dbgout) fprintf (dbgout, "LCD is %dx%d\n", lcd_width, lcd_height);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
286 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
287
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
288 fcntl (kbfd, F_SETFL, O_RDWR | O_NONBLOCK);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
289
1545
8d9bb0cf2c2a Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
290 /* Determine the current screen size */
8d9bb0cf2c2a Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
291 this->info.current_w = lcd_width;
8d9bb0cf2c2a Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
292 this->info.current_h = lcd_height;
8d9bb0cf2c2a Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
293
1140
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
294 if ((generation >= 60000) && (generation < 70000)) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
295 vformat->BitsPerPixel = 16;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
296 vformat->Rmask = 0xF800;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
297 vformat->Gmask = 0x07E0;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
298 vformat->Bmask = 0x001F;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
299 } else {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
300 vformat->BitsPerPixel = 8;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
301 vformat->Rmask = vformat->Gmask = vformat->Bmask = 0;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
302 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
303
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
304 initd = 1;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
305 if (dbgout) fprintf (dbgout, "Initialized.\n\n");
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
306 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
307 return 0;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
308 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
309
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
310 static SDL_Rect **iPod_ListModes (_THIS, SDL_PixelFormat *format, Uint32 flags)
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
311 {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
312 int width, height, fd;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
313 static SDL_Rect r;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
314 static SDL_Rect *rs[2] = { &r, 0 };
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
315
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
316 if ((fd = open ("/dev/fb0", O_RDWR)) < 0) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
317 return 0;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
318 } else {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
319 struct fb_var_screeninfo vinfo;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
320
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
321 ioctl (fbfd, FBIOGET_VSCREENINFO, &vinfo);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
322 close (fbfd);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
323
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
324 width = vinfo.xres;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
325 height = vinfo.yres;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
326 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
327 r.x = r.y = 0;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
328 r.w = width;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
329 r.h = height;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
330 return rs;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
331 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
332
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
333
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
334 static SDL_Surface *iPod_SetVideoMode (_THIS, SDL_Surface *current, int width, int height, int bpp,
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
335 Uint32 flags)
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
336 {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
337 Uint32 Rmask, Gmask, Bmask;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
338 if (bpp > 8) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
339 Rmask = 0xF800;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
340 Gmask = 0x07E0;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
341 Bmask = 0x001F;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
342 } else {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
343 Rmask = Gmask = Bmask = 0;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
344 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
345
1338
604d73db6802 Removed uses of stdlib.h and string.h
Sam Lantinga <slouken@libsdl.org>
parents: 1336
diff changeset
346 if (this->hidden->buffer) SDL_free (this->hidden->buffer);
604d73db6802 Removed uses of stdlib.h and string.h
Sam Lantinga <slouken@libsdl.org>
parents: 1336
diff changeset
347 this->hidden->buffer = SDL_malloc (width * height * (bpp / 8));
1140
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
348 if (!this->hidden->buffer) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
349 SDL_SetError ("Couldn't allocate buffer for requested mode");
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
350 return 0;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
351 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
352
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
353 memset (this->hidden->buffer, 0, width * height * (bpp / 8));
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
354
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
355 if (!SDL_ReallocFormat (current, bpp, Rmask, Gmask, Bmask, 0)) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
356 SDL_SetError ("Couldn't allocate new pixel format");
1338
604d73db6802 Removed uses of stdlib.h and string.h
Sam Lantinga <slouken@libsdl.org>
parents: 1336
diff changeset
357 SDL_free (this->hidden->buffer);
1140
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
358 this->hidden->buffer = 0;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
359 return 0;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
360 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
361
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
362 if (bpp <= 8) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
363 int i, j;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
364 for (i = 0; i < 256; i += 4) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
365 for (j = 0; j < 4; j++) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
366 current->format->palette->colors[i+j].r = 85 * j;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
367 current->format->palette->colors[i+j].g = 85 * j;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
368 current->format->palette->colors[i+j].b = 85 * j;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
369 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
370 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
371 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
372
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
373 current->flags = flags & SDL_FULLSCREEN;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
374 this->hidden->w = current->w = width;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
375 this->hidden->h = current->h = height;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
376 current->pitch = current->w * (bpp / 8);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
377 current->pixels = this->hidden->buffer;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
378
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
379 return current;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
380 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
381
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
382 static int iPod_SetColors (_THIS, int firstcolor, int ncolors, SDL_Color *colors)
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
383 {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
384 if (SDL_VideoSurface && SDL_VideoSurface->format && SDL_VideoSurface->format->palette) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
385 int i, j;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
386 for (i = 0; i < 256; i += 4) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
387 for (j = 0; j < 4; j++) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
388 SDL_VideoSurface->format->palette->colors[i+j].r = 85 * j;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
389 SDL_VideoSurface->format->palette->colors[i+j].g = 85 * j;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
390 SDL_VideoSurface->format->palette->colors[i+j].b = 85 * j;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
391 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
392 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
393 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
394 return 0;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
395 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
396
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
397 static void iPod_VideoQuit (_THIS)
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
398 {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
399 ioctl (kbfd, KDSETMODE, KD_TEXT);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
400 tcsetattr (kbfd, TCSAFLUSH, &old_termios);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
401 old_kbmode = -1;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
402
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
403 if (oldvt > 0)
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
404 ioctl (kbfd, VT_ACTIVATE, oldvt);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
405
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
406 if (kbfd > 0)
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
407 close (kbfd);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
408
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
409 if (dbgout) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
410 fprintf (dbgout, "<-- Ended SDL -->\n");
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
411 fclose (dbgout);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
412 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
413
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
414 kbfd = -1;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
415 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
416
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
417 static char iPod_SC_keymap[] = {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
418 0, /* 0 - no key */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
419 '[' - 0x40, /* ESC (Ctrl+[) */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
420 '1', '2', '3', '4', '5', '6', '7', '8', '9',
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
421 '-', '=',
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
422 '\b', '\t', /* Backspace, Tab (Ctrl+H,Ctrl+I) */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
423 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']',
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
424 '\n', 0, /* Enter, Left CTRL */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
425 'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', '\'', '`',
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
426 0, '\\', /* left shift, backslash */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
427 'z', 'x', 'c', 'v', 'b', 'n', 'm', ',', '.', '/',
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
428 0, '*', 0, ' ', 0, /* right shift, KP mul, left alt, space, capslock */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
429 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* F1-10 */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
430 0, 0, /* numlock, scrollock */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
431 '7', '8', '9', '-', '4', '5', '6', '+', '1', '2', '3', '0', '.', /* numeric keypad */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
432 0, 0, /* padding */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
433 0, 0, 0, /* "less" (?), F11, F12 */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
434 0, 0, 0, 0, 0, 0, 0, /* padding */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
435 '\n', 0, '/', 0, 0, /* KP enter, Rctrl, Ctrl, KP div, PrtSc, RAlt */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
436 0, 0, 0, 0, 0, 0, 0, 0, 0, /* Break, Home, Up, PgUp, Left, Right, End, Down, PgDn */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
437 0, 0, /* Ins, Del */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
438 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* padding */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
439 0, 0, /* RWin, LWin */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
440 0 /* no key */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
441 };
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
442
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
443
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
444 static void iPod_keyboard()
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
445 {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
446 unsigned char keybuf[128];
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
447 int i, nread;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
448 SDL_keysym keysym;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
449 SDL_Event ev;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
450
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
451 keysym.mod = 0;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
452 keysym.scancode = 0xff;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
453 memset (&ev, 0, sizeof(SDL_Event));
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
454
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
455 nread = read (kbfd, keybuf, 128);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
456 for (i = 0; i < nread; i++) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
457 char ascii = iPod_SC_keymap[keybuf[i] & 0x7f];
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
458
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
459 if (dbgout) fprintf (dbgout, "Key! %02x is %c %s", keybuf[i], ascii, (keybuf[i] & 0x80)? "up" : "down");
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
460
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
461 keysym.sym = keysym.unicode = ascii;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
462 ev.type = (keybuf[i] & 0x80)? SDL_KEYUP : SDL_KEYDOWN;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
463 ev.key.state = 0;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
464 ev.key.keysym = keysym;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
465 SDL_PushEvent (&ev);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
466 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
467 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
468
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
469 static void iPod_PumpEvents (_THIS)
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
470 {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
471 fd_set fdset;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
472 int max_fd = 0;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
473 static struct timeval zero;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
474 int posted;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
475
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
476 do {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
477 posted = 0;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
478
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
479 FD_ZERO (&fdset);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
480 if (kbfd >= 0) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
481 FD_SET (kbfd, &fdset);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
482 max_fd = kbfd;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
483 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
484 if (dbgout) fprintf (dbgout, "Selecting");
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
485 if (select (max_fd + 1, &fdset, 0, 0, &zero) > 0) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
486 if (dbgout) fprintf (dbgout, " -> match!\n");
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
487 iPod_keyboard();
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
488 posted++;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
489 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
490 if (dbgout) fprintf (dbgout, "\n");
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
491 } while (posted);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
492 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
493
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
494 // enough space for 160x128x2
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
495 static char ipod_scr[160 * (128/4)];
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
496
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
497 #define outl(datum,addr) (*(volatile unsigned long *)(addr) = (datum))
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
498 #define inl(addr) (*(volatile unsigned long *)(addr))
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
499
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
500 /*** The following LCD code is taken from Linux kernel uclinux-2.4.24-uc0-ipod2,
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
501 file arch/armnommu/mach-ipod/fb.c. A few modifications have been made. ***/
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
502
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
503 /* get current usec counter */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
504 static int M_timer_get_current(void)
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
505 {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
506 return inl(lcd_rtc);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
507 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
508
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
509 /* check if number of useconds has past */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
510 static int M_timer_check(int clock_start, int usecs)
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
511 {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
512 unsigned long clock;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
513 clock = inl(lcd_rtc);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
514
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
515 if ( (clock - clock_start) >= usecs ) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
516 return 1;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
517 } else {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
518 return 0;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
519 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
520 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
521
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
522 /* wait for LCD with timeout */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
523 static void M_lcd_wait_write(void)
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
524 {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
525 if ( (inl(lcd_base) & 0x8000) != 0 ) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
526 int start = M_timer_get_current();
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
527
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
528 do {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
529 if ( (inl(lcd_base) & (unsigned int)0x8000) == 0 )
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
530 break;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
531 } while ( M_timer_check(start, 1000) == 0 );
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
532 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
533 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
534
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
535
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
536 /* send LCD data */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
537 static void M_lcd_send_data(int data_lo, int data_hi)
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
538 {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
539 M_lcd_wait_write();
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
540
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
541 outl(data_lo, lcd_base + LCD_DATA);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
542
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
543 M_lcd_wait_write();
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
544
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
545 outl(data_hi, lcd_base + LCD_DATA);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
546
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
547 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
548
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
549 /* send LCD command */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
550 static void
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
551 M_lcd_prepare_cmd(int cmd)
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
552 {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
553 M_lcd_wait_write();
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
554
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
555 outl(0x0, lcd_base + LCD_CMD);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
556
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
557 M_lcd_wait_write();
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
558
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
559 outl(cmd, lcd_base + LCD_CMD);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
560
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
561 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
562
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
563 /* send LCD command and data */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
564 static void M_lcd_cmd_and_data(int cmd, int data_lo, int data_hi)
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
565 {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
566 M_lcd_prepare_cmd(cmd);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
567
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
568 M_lcd_send_data(data_lo, data_hi);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
569 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
570
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
571 // Copied from uW
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
572 static void M_update_display(int sx, int sy, int mx, int my)
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
573 {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
574 int y;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
575 unsigned short cursor_pos;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
576
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
577 sx >>= 3;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
578 mx >>= 3;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
579
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
580 cursor_pos = sx + (sy << 5);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
581
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
582 for ( y = sy; y <= my; y++ ) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
583 unsigned char *img_data;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
584 int x;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
585
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
586 /* move the cursor */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
587 M_lcd_cmd_and_data(0x11, cursor_pos >> 8, cursor_pos & 0xff);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
588
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
589 /* setup for printing */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
590 M_lcd_prepare_cmd(0x12);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
591
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
592 img_data = ipod_scr + (sx << 1) + (y * (lcd_width/4));
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
593
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
594 /* loops up to 160 times */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
595 for ( x = sx; x <= mx; x++ ) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
596 /* display eight pixels */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
597 M_lcd_send_data(*(img_data + 1), *img_data);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
598
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
599 img_data += 2;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
600 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
601
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
602 /* update cursor pos counter */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
603 cursor_pos += 0x20;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
604 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
605 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
606
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
607 /* get current usec counter */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
608 static int C_timer_get_current(void)
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
609 {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
610 return inl(0x60005010);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
611 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
612
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
613 /* check if number of useconds has past */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
614 static int C_timer_check(int clock_start, int usecs)
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
615 {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
616 unsigned long clock;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
617 clock = inl(0x60005010);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
618
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
619 if ( (clock - clock_start) >= usecs ) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
620 return 1;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
621 } else {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
622 return 0;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
623 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
624 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
625
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
626 /* wait for LCD with timeout */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
627 static void C_lcd_wait_write(void)
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
628 {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
629 if ((inl(0x70008A0C) & 0x80000000) != 0) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
630 int start = C_timer_get_current();
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
631
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
632 do {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
633 if ((inl(0x70008A0C) & 0x80000000) == 0)
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
634 break;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
635 } while (C_timer_check(start, 1000) == 0);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
636 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
637 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
638 static void C_lcd_cmd_data(int cmd, int data)
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
639 {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
640 C_lcd_wait_write();
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
641 outl(cmd | 0x80000000, 0x70008A0C);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
642
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
643 C_lcd_wait_write();
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
644 outl(data | 0x80000000, 0x70008A0C);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
645 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
646
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
647 static void C_update_display(int sx, int sy, int mx, int my)
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
648 {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
649 int height = (my - sy) + 1;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
650 int width = (mx - sx) + 1;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
651
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
652 char *addr = SDL_VideoSurface->pixels;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
653
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
654 if (width & 1) width++;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
655
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
656 /* start X and Y */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
657 C_lcd_cmd_data(0x12, (sy & 0xff));
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
658 C_lcd_cmd_data(0x13, (((SDL_VideoSurface->w - 1) - sx) & 0xff));
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
659
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
660 /* max X and Y */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
661 C_lcd_cmd_data(0x15, (((sy + height) - 1) & 0xff));
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
662 C_lcd_cmd_data(0x16, (((((SDL_VideoSurface->w - 1) - sx) - width) + 1) & 0xff));
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
663
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
664 addr += sx + sy * SDL_VideoSurface->pitch;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
665
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
666 while (height > 0) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
667 int h, x, y, pixels_to_write;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
668
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
669 pixels_to_write = (width * height) * 2;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
670
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
671 /* calculate how much we can do in one go */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
672 h = height;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
673 if (pixels_to_write > 64000) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
674 h = (64000/2) / width;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
675 pixels_to_write = (width * h) * 2;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
676 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
677
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
678 outl(0x10000080, 0x70008A20);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
679 outl((pixels_to_write - 1) | 0xC0010000, 0x70008A24);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
680 outl(0x34000000, 0x70008A20);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
681
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
682 /* for each row */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
683 for (x = 0; x < h; x++)
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
684 {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
685 /* for each column */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
686 for (y = 0; y < width; y += 2) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
687 unsigned two_pixels;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
688
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
689 two_pixels = addr[0] | (addr[1] << 16);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
690 addr += 2;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
691
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
692 while ((inl(0x70008A20) & 0x1000000) == 0);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
693
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
694 /* output 2 pixels */
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
695 outl(two_pixels, 0x70008B00);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
696 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
697
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
698 addr += SDL_VideoSurface->w - width;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
699 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
700
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
701 while ((inl(0x70008A20) & 0x4000000) == 0);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
702
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
703 outl(0x0, 0x70008A24);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
704
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
705 height = height - h;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
706 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
707 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
708
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
709 // Should work with photo. However, I don't have one, so I'm not sure.
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
710 static void iPod_UpdateRects (_THIS, int nrects, SDL_Rect *rects)
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
711 {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
712 if (SDL_VideoSurface->format->BitsPerPixel == 16) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
713 C_update_display (0, 0, lcd_width, lcd_height);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
714 } else {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
715 int i, y, x;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
716 for (i = 0; i < nrects; i++) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
717 SDL_Rect *r = rects + i;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
718 if (!r) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
719 continue;
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
720 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
721
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
722 for (y = r->y; (y < r->y + r->h) && y < lcd_height; y++) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
723 for (x = r->x; (x < r->x + r->w) && x < lcd_width; x++) {
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
724 ipod_scr[y*(lcd_width/4) + x/4] &= ~(3 << (2 * (x%4)));
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
725 ipod_scr[y*(lcd_width/4) + x/4] |=
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
726 (((Uint8*)(SDL_VideoSurface->pixels))[ y*SDL_VideoSurface->pitch + x ] & 3) << (2 * (x%4));
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
727 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
728 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
729 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
730
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
731 M_update_display (0, 0, lcd_width, lcd_height);
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
732 }
af8b0f9ac2f4 iPod Linux framebuffer support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
733 }