frontend/plat_omap.c

   1 /*
   2  * (C) notaz, 2010
   3  *
   4  * This work is licensed under the terms of the GNU GPLv2 or later.
   5  * See the COPYING file in the top-level directory.
   6  */
   7
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <sys/types.h>
  11 #include <sys/stat.h>
  12 #include <fcntl.h>
  13 #include <unistd.h>
  14 #include <linux/input.h>
  15 #include <linux/omapfb.h>
  16
  17 #include "common/input.h"
  18 #include "common/menu.h"
  19 #include "linux/fbdev.h"
  20 #include "linux/oshide.h"
  21 #include "plugin_lib.h"
  22 #include "omap.h"
  23
  24
  25 static struct vout_fbdev *main_fb;
  26 int g_layer_x = 80, g_layer_y = 0;
  27 int g_layer_w = 640, g_layer_h = 480;
  28
  29 struct vout_fbdev *layer_fb;
  30
  31 static const char * const pandora_gpio_keys[KEY_MAX + 1] = {
  32         [0 ... KEY_MAX] = NULL,
  33         [KEY_UP]        = "Up",
  34         [KEY_LEFT]      = "Left",
  35         [KEY_RIGHT]     = "Right",
  36         [KEY_DOWN]      = "Down",
  37         [KEY_HOME]      = "A",
  38         [KEY_PAGEDOWN]  = "X",
  39         [KEY_END]       = "B",
  40         [KEY_PAGEUP]    = "Y",
  41         [KEY_RIGHTSHIFT]= "L",
  42         [KEY_RIGHTCTRL] = "R",
  43         [KEY_LEFTALT]   = "Start",
  44         [KEY_LEFTCTRL]  = "Select",
  45         [KEY_MENU]      = "Pandora",
  46 };
  47
  48 struct in_default_bind in_evdev_defbinds[] = {
  49         { KEY_UP,       IN_BINDTYPE_PLAYER12, DKEY_UP },
  50         { KEY_DOWN,     IN_BINDTYPE_PLAYER12, DKEY_DOWN },
  51         { KEY_LEFT,     IN_BINDTYPE_PLAYER12, DKEY_LEFT },
  52         { KEY_RIGHT,    IN_BINDTYPE_PLAYER12, DKEY_RIGHT },
  53         { KEY_SPACE,    IN_BINDTYPE_EMU, PEVB_MENU },
  54         { KEY_PAGEUP,   IN_BINDTYPE_PLAYER12, DKEY_TRIANGLE },
  55         { KEY_PAGEDOWN, IN_BINDTYPE_PLAYER12, DKEY_CROSS },
  56         { KEY_END,      IN_BINDTYPE_PLAYER12, DKEY_CIRCLE },
  57         { KEY_HOME,     IN_BINDTYPE_PLAYER12, DKEY_SQUARE },
  58         { KEY_LEFTALT,  IN_BINDTYPE_PLAYER12, DKEY_START },
  59         { KEY_LEFTCTRL, IN_BINDTYPE_PLAYER12, DKEY_SELECT },
  60         { KEY_RIGHTSHIFT,IN_BINDTYPE_PLAYER12, DKEY_L1 },
  61         { KEY_RIGHTCTRL, IN_BINDTYPE_PLAYER12, DKEY_R1 },
  62         { KEY_Q,        IN_BINDTYPE_PLAYER12, DKEY_L2 },
  63         { KEY_P,        IN_BINDTYPE_PLAYER12, DKEY_R2 },
  64         { 0, 0, 0 }
  65 };
  66
  67 static int omap_setup_layer_(int fd, int enabled, int x, int y, int w, int h, int first_call)
  68 {
  69         struct omapfb_plane_info pi;
  70         struct omapfb_mem_info mi;
  71         int ret;
  72
  73         ret = ioctl(fd, OMAPFB_QUERY_PLANE, &pi);
  74         if (ret != 0) {
  75                 perror("QUERY_PLANE");
  76                 return -1;
  77         }
  78
  79         ret = ioctl(fd, OMAPFB_QUERY_MEM, &mi);
  80         if (ret != 0) {
  81                 perror("QUERY_MEM");
  82                 return -1;
  83         }
  84
  85         /* must disable when changing stuff */
  86         if (pi.enabled) {
  87                 pi.enabled = 0;
  88                 ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi);
  89                 if (ret != 0)
  90                         perror("SETUP_PLANE");
  91         }
  92
  93         if (first_call) {
  94                 mi.size = 640*512*2*3;
  95                 ret = ioctl(fd, OMAPFB_SETUP_MEM, &mi);
  96                 if (ret != 0) {
  97                         perror("SETUP_MEM");
  98                         return -1;
  99                 }
 100         }
 101
 102         pi.pos_x = x;
 103         pi.pos_y = y;
 104         pi.out_width = w;
 105         pi.out_height = h;
 106         pi.enabled = enabled;
 107
 108         ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi);
 109         if (ret != 0) {
 110                 perror("SETUP_PLANE");
 111                 return -1;
 112         }
 113
 114         return 0;
 115 }
 116
 117 int omap_enable_layer(int enabled)
 118 {
 119         return omap_setup_layer_(vout_fbdev_get_fd(layer_fb), enabled,
 120                 g_layer_x, g_layer_y, g_layer_w, g_layer_h, 0);
 121 }
 122
 123 void plat_video_menu_enter(int is_rom_loaded)
 124 {
 125 }
 126
 127 void plat_video_menu_begin(void)
 128 {
 129 }
 130
 131 void plat_video_menu_end(void)
 132 {
 133         g_menuscreen_ptr = vout_fbdev_flip(main_fb);
 134 }
 135
 136 void plat_init(void)
 137 {
 138         const char *main_fb_name, *layer_fb_name;
 139         void *temp_frame;
 140         int fd, ret, w, h;
 141
 142         main_fb_name = getenv("FBDEV_MAIN");
 143         if (main_fb_name == NULL)
 144                 main_fb_name = "/dev/fb0";
 145
 146         layer_fb_name = getenv("FBDEV_LAYER");
 147         if (layer_fb_name == NULL)
 148                 layer_fb_name = "/dev/fb1";
 149
 150         // must set the layer up first to be able to use it
 151         fd = open(layer_fb_name, O_RDWR);
 152         if (fd == -1) {
 153                 fprintf(stderr, "%s: ", layer_fb_name);
 154                 perror("open");
 155                 exit(1);
 156         }
 157
 158         ret = omap_setup_layer_(fd, 1, g_layer_x, g_layer_y, g_layer_w, g_layer_h, 1);
 159         close(fd);
 160         if (ret != 0) {
 161                 fprintf(stderr, "failed to set up layer, exiting.\n");
 162                 exit(1);
 163         }
 164
 165         oshide_init();
 166
 167         w = h = 0;
 168         main_fb = vout_fbdev_init(main_fb_name, &w, &h, 16, 2);
 169         if (main_fb == NULL) {
 170                 fprintf(stderr, "couldn't init fb: %s\n", main_fb_name);
 171                 exit(1);
 172         }
 173
 174         g_menuscreen_w = w;
 175         g_menuscreen_h = h;
 176         g_menuscreen_ptr = vout_fbdev_flip(main_fb);
 177
 178         w = 640;
 179         h = 512; // ??
 180         layer_fb = vout_fbdev_init(layer_fb_name, &w, &h, 16, 3);
 181         if (layer_fb == NULL) {
 182                 fprintf(stderr, "couldn't init fb: %s\n", layer_fb_name);
 183                 goto fail0;
 184         }
 185
 186         temp_frame = calloc(g_menuscreen_w * g_menuscreen_h * 2, 1);
 187         if (temp_frame == NULL) {
 188                 fprintf(stderr, "OOM\n");
 189                 goto fail1;
 190         }
 191         g_menubg_ptr = temp_frame;
 192         g_menubg_src_ptr = temp_frame;
 193
 194         in_set_config(in_name_to_id("evdev:gpio-keys"), IN_CFG_KEY_NAMES,
 195                       pandora_gpio_keys, sizeof(pandora_gpio_keys));
 196         return;
 197
 198 fail1:
 199         vout_fbdev_finish(layer_fb);
 200 fail0:
 201         vout_fbdev_finish(main_fb);
 202         exit(1);
 203
 204 }
 205
 206 void plat_finish(void)
 207 {
 208         omap_enable_layer(0);
 209         vout_fbdev_finish(layer_fb);
 210         vout_fbdev_finish(main_fb);
 211         oshide_finish();
 212 }
 213