| 1 | /* |
| 2 | * (C) GraÅžvydas "notaz" Ignotas, 2010-2012 |
| 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 <sys/ioctl.h> |
| 14 | #include <unistd.h> |
| 15 | #include <linux/omapfb.h> |
| 16 | |
| 17 | #include "libpicofe/menu.h" |
| 18 | #include "libpicofe/input.h" |
| 19 | #include "libpicofe/linux/fbdev.h" |
| 20 | #include "libpicofe/linux/xenv.h" |
| 21 | #include "plugin_lib.h" |
| 22 | #include "pl_gun_ts.h" |
| 23 | #include "plat.h" |
| 24 | #include "plat_omap.h" |
| 25 | #include "menu.h" |
| 26 | |
| 27 | static struct vout_fbdev *main_fb, *layer_fb; |
| 28 | |
| 29 | static int omap_setup_layer_(int fd, int enabled, int x, int y, int w, int h) |
| 30 | { |
| 31 | struct omapfb_plane_info pi = { 0, }; |
| 32 | struct omapfb_mem_info mi = { 0, }; |
| 33 | int ret; |
| 34 | |
| 35 | ret = ioctl(fd, OMAPFB_QUERY_PLANE, &pi); |
| 36 | if (ret != 0) { |
| 37 | perror("QUERY_PLANE"); |
| 38 | return -1; |
| 39 | } |
| 40 | |
| 41 | ret = ioctl(fd, OMAPFB_QUERY_MEM, &mi); |
| 42 | if (ret != 0) { |
| 43 | perror("QUERY_MEM"); |
| 44 | return -1; |
| 45 | } |
| 46 | |
| 47 | /* must disable when changing stuff */ |
| 48 | if (pi.enabled) { |
| 49 | pi.enabled = 0; |
| 50 | ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi); |
| 51 | if (ret != 0) |
| 52 | perror("SETUP_PLANE"); |
| 53 | } |
| 54 | |
| 55 | // upto 1024x512 (2x resolution enhancement) |
| 56 | if (mi.size < 1024*512*2 * 3) { |
| 57 | mi.size = 1024*512*2 * 3; |
| 58 | ret = ioctl(fd, OMAPFB_SETUP_MEM, &mi); |
| 59 | if (ret != 0) { |
| 60 | perror("SETUP_MEM"); |
| 61 | return -1; |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | pi.pos_x = x; |
| 66 | pi.pos_y = y; |
| 67 | pi.out_width = w; |
| 68 | pi.out_height = h; |
| 69 | pi.enabled = enabled; |
| 70 | |
| 71 | ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi); |
| 72 | if (ret != 0) { |
| 73 | perror("SETUP_PLANE"); |
| 74 | return -1; |
| 75 | } |
| 76 | |
| 77 | return 0; |
| 78 | } |
| 79 | |
| 80 | static int omap_enable_layer(int enabled) |
| 81 | { |
| 82 | if (enabled) |
| 83 | pl_set_gun_rect(g_layer_x, g_layer_y, g_layer_w, g_layer_h); |
| 84 | |
| 85 | return omap_setup_layer_(vout_fbdev_get_fd(layer_fb), enabled, |
| 86 | g_layer_x, g_layer_y, g_layer_w, g_layer_h); |
| 87 | } |
| 88 | |
| 89 | void plat_omap_gvideo_open(void) |
| 90 | { |
| 91 | omap_enable_layer(1); |
| 92 | |
| 93 | // try to align redraws to vsync |
| 94 | vout_fbdev_wait_vsync(layer_fb); |
| 95 | } |
| 96 | |
| 97 | void *plat_gvideo_set_mode(int *w_in, int *h_in, int *bpp) |
| 98 | { |
| 99 | int l = 0, r = 0, t = 0, b = 0; |
| 100 | int w = *w_in, h = *h_in; |
| 101 | void *buf; |
| 102 | |
| 103 | if (g_scaler == SCALE_1_1 || g_scaler == SCALE_2_2) { |
| 104 | if (w > g_menuscreen_w) { |
| 105 | l = r = (w - g_menuscreen_w) / 2; |
| 106 | w -= l + r; |
| 107 | } |
| 108 | if (h > g_menuscreen_h) { |
| 109 | t = b = (h - g_menuscreen_h) / 2; |
| 110 | h -= t + b; |
| 111 | } |
| 112 | } |
| 113 | |
| 114 | buf = vout_fbdev_resize(layer_fb, w, h, *bpp, |
| 115 | l, r, t, b, 3); |
| 116 | |
| 117 | vout_fbdev_clear(layer_fb); |
| 118 | |
| 119 | omap_enable_layer(1); |
| 120 | |
| 121 | return buf; |
| 122 | } |
| 123 | |
| 124 | void *plat_gvideo_flip(void) |
| 125 | { |
| 126 | return vout_fbdev_flip(layer_fb); |
| 127 | } |
| 128 | |
| 129 | void plat_gvideo_close(void) |
| 130 | { |
| 131 | omap_enable_layer(0); |
| 132 | } |
| 133 | |
| 134 | void plat_video_menu_enter(int is_rom_loaded) |
| 135 | { |
| 136 | g_menuscreen_ptr = vout_fbdev_resize(main_fb, |
| 137 | g_menuscreen_w, g_menuscreen_h, 16, 0, 0, 0, 0, 3); |
| 138 | if (g_menuscreen_ptr == NULL) |
| 139 | fprintf(stderr, "warning: vout_fbdev_resize failed\n"); |
| 140 | |
| 141 | xenv_update(NULL, NULL, NULL, NULL); |
| 142 | } |
| 143 | |
| 144 | void plat_video_menu_begin(void) |
| 145 | { |
| 146 | } |
| 147 | |
| 148 | void plat_video_menu_end(void) |
| 149 | { |
| 150 | g_menuscreen_ptr = vout_fbdev_flip(main_fb); |
| 151 | } |
| 152 | |
| 153 | void plat_video_menu_leave(void) |
| 154 | { |
| 155 | /* have to get rid of panning so that plugins that |
| 156 | * use fb0 and don't ever pan can work. */ |
| 157 | vout_fbdev_clear(main_fb); |
| 158 | g_menuscreen_ptr = vout_fbdev_resize(main_fb, |
| 159 | g_menuscreen_w, g_menuscreen_h, 16, 0, 0, 0, 0, 1); |
| 160 | if (g_menuscreen_ptr == NULL) |
| 161 | fprintf(stderr, "warning: vout_fbdev_resize failed\n"); |
| 162 | } |
| 163 | |
| 164 | void plat_minimize(void) |
| 165 | { |
| 166 | int ret; |
| 167 | |
| 168 | ret = vout_fbdev_save(layer_fb); |
| 169 | if (ret != 0) { |
| 170 | printf("minimize: layer/fb handling failed\n"); |
| 171 | return; |
| 172 | } |
| 173 | |
| 174 | xenv_minimize(); |
| 175 | |
| 176 | in_set_config_int(0, IN_CFG_BLOCKING, 0); /* flush event queue */ |
| 177 | omap_enable_layer(0); /* restore layer mem */ |
| 178 | vout_fbdev_restore(layer_fb); |
| 179 | } |
| 180 | |
| 181 | void *plat_prepare_screenshot(int *w, int *h, int *bpp) |
| 182 | { |
| 183 | return NULL; |
| 184 | } |
| 185 | |
| 186 | void plat_omap_init(void) |
| 187 | { |
| 188 | const char *main_fb_name, *layer_fb_name; |
| 189 | int fd, ret, w, h; |
| 190 | |
| 191 | main_fb_name = getenv("FBDEV_MAIN"); |
| 192 | if (main_fb_name == NULL) |
| 193 | main_fb_name = "/dev/fb0"; |
| 194 | |
| 195 | layer_fb_name = getenv("FBDEV_LAYER"); |
| 196 | if (layer_fb_name == NULL) |
| 197 | layer_fb_name = "/dev/fb1"; |
| 198 | |
| 199 | // must set the layer up first to be able to use it |
| 200 | fd = open(layer_fb_name, O_RDWR); |
| 201 | if (fd == -1) { |
| 202 | fprintf(stderr, "%s: ", layer_fb_name); |
| 203 | perror("open"); |
| 204 | exit(1); |
| 205 | } |
| 206 | |
| 207 | g_layer_x = 80, g_layer_y = 0; |
| 208 | g_layer_w = 640, g_layer_h = 480; |
| 209 | |
| 210 | ret = omap_setup_layer_(fd, 0, g_layer_x, g_layer_y, g_layer_w, g_layer_h); |
| 211 | close(fd); |
| 212 | if (ret != 0) { |
| 213 | fprintf(stderr, "failed to set up layer, exiting.\n"); |
| 214 | exit(1); |
| 215 | } |
| 216 | |
| 217 | xenv_init(NULL, "PCSX-ReARMed"); |
| 218 | |
| 219 | w = h = 0; |
| 220 | main_fb = vout_fbdev_init(main_fb_name, &w, &h, 16, 2); |
| 221 | if (main_fb == NULL) { |
| 222 | fprintf(stderr, "couldn't init fb: %s\n", main_fb_name); |
| 223 | exit(1); |
| 224 | } |
| 225 | |
| 226 | g_menuscreen_w = w; |
| 227 | g_menuscreen_h = h; |
| 228 | g_menuscreen_ptr = vout_fbdev_flip(main_fb); |
| 229 | pl_rearmed_cbs.screen_w = w; |
| 230 | pl_rearmed_cbs.screen_h = h; |
| 231 | |
| 232 | w = 640; |
| 233 | h = 512; |
| 234 | layer_fb = vout_fbdev_init(layer_fb_name, &w, &h, 16, 3); |
| 235 | if (layer_fb == NULL) { |
| 236 | fprintf(stderr, "couldn't init fb: %s\n", layer_fb_name); |
| 237 | goto fail0; |
| 238 | } |
| 239 | |
| 240 | return; |
| 241 | |
| 242 | fail0: |
| 243 | vout_fbdev_finish(main_fb); |
| 244 | exit(1); |
| 245 | } |
| 246 | |
| 247 | void plat_omap_finish(void) |
| 248 | { |
| 249 | omap_enable_layer(0); |
| 250 | vout_fbdev_finish(layer_fb); |
| 251 | vout_fbdev_finish(main_fb); |
| 252 | xenv_finish(); |
| 253 | } |
| 254 | |