| 1 | #include <stdio.h> |
| 2 | #include <stdlib.h> |
| 3 | #include <string.h> |
| 4 | |
| 5 | #include "plat_gp2x.h" |
| 6 | #include "soc.h" |
| 7 | #include "warm.h" |
| 8 | #include "../common/plat.h" |
| 9 | #include "../common/readpng.h" |
| 10 | #include "../common/menu.h" |
| 11 | #include "../common/emu.h" |
| 12 | #include "../common/input.h" |
| 13 | #include "../linux/sndout_oss.h" |
| 14 | |
| 15 | #include <pico/pico.h> |
| 16 | |
| 17 | /* GP2X local */ |
| 18 | int default_cpu_clock; |
| 19 | int gp2x_dev_id; |
| 20 | int gp2x_current_bpp; |
| 21 | void *gp2x_screens[4]; |
| 22 | |
| 23 | #include <linux/input.h> |
| 24 | |
| 25 | static const char * const caanoo_keys[KEY_MAX + 1] = { |
| 26 | [0 ... KEY_MAX] = NULL, |
| 27 | [KEY_UP] = "Up", |
| 28 | [KEY_LEFT] = "Left", |
| 29 | [KEY_RIGHT] = "Right", |
| 30 | [KEY_DOWN] = "Down", |
| 31 | [BTN_TRIGGER] = "A", |
| 32 | [BTN_THUMB] = "X", |
| 33 | [BTN_THUMB2] = "B", |
| 34 | [BTN_TOP] = "Y", |
| 35 | [BTN_TOP2] = "L", |
| 36 | [BTN_PINKIE] = "R", |
| 37 | [BTN_BASE] = "Home", |
| 38 | [BTN_BASE2] = "Lock", |
| 39 | [BTN_BASE3] = "I", |
| 40 | [BTN_BASE4] = "II", |
| 41 | [BTN_BASE5] = "Push", |
| 42 | }; |
| 43 | |
| 44 | void gp2x_video_changemode(int bpp) |
| 45 | { |
| 46 | gp2x_video_changemode_ll(bpp); |
| 47 | |
| 48 | gp2x_current_bpp = bpp < 0 ? -bpp : bpp; |
| 49 | } |
| 50 | |
| 51 | static void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len) |
| 52 | { |
| 53 | char *dst; |
| 54 | if (buffers & (1<<0)) { dst = (char *)gp2x_screens[0] + offset; if (dst != data) memcpy(dst, data, len); } |
| 55 | if (buffers & (1<<1)) { dst = (char *)gp2x_screens[1] + offset; if (dst != data) memcpy(dst, data, len); } |
| 56 | if (buffers & (1<<2)) { dst = (char *)gp2x_screens[2] + offset; if (dst != data) memcpy(dst, data, len); } |
| 57 | if (buffers & (1<<3)) { dst = (char *)gp2x_screens[3] + offset; if (dst != data) memcpy(dst, data, len); } |
| 58 | } |
| 59 | |
| 60 | void gp2x_memcpy_all_buffers(void *data, int offset, int len) |
| 61 | { |
| 62 | gp2x_memcpy_buffers(0xf, data, offset, len); |
| 63 | } |
| 64 | |
| 65 | void gp2x_memset_all_buffers(int offset, int byte, int len) |
| 66 | { |
| 67 | memset((char *)gp2x_screens[0] + offset, byte, len); |
| 68 | memset((char *)gp2x_screens[1] + offset, byte, len); |
| 69 | memset((char *)gp2x_screens[2] + offset, byte, len); |
| 70 | memset((char *)gp2x_screens[3] + offset, byte, len); |
| 71 | } |
| 72 | |
| 73 | void gp2x_make_fb_bufferable(int yes) |
| 74 | { |
| 75 | int ret = 0; |
| 76 | |
| 77 | yes = yes ? 1 : 0; |
| 78 | ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[0], 320*240*2); |
| 79 | ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[1], 320*240*2); |
| 80 | ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[2], 320*240*2); |
| 81 | ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[3], 320*240*2); |
| 82 | |
| 83 | if (ret) |
| 84 | fprintf(stderr, "could not make fb buferable.\n"); |
| 85 | else |
| 86 | printf("made fb buferable.\n"); |
| 87 | } |
| 88 | |
| 89 | /* common */ |
| 90 | void plat_video_menu_enter(int is_rom_loaded) |
| 91 | { |
| 92 | if (gp2x_current_bpp != 16 || gp2x_dev_id == GP2X_DEV_WIZ) { |
| 93 | /* try to switch nicely avoiding glitches */ |
| 94 | gp2x_video_wait_vsync(); |
| 95 | memset(gp2x_screens[0], 0, 320*240*2); |
| 96 | memset(gp2x_screens[1], 0, 320*240*2); |
| 97 | gp2x_video_flip2(); // might flip to fb2/3 |
| 98 | gp2x_video_flip2(); // ..so we do it again |
| 99 | } |
| 100 | else |
| 101 | gp2x_video_flip2(); |
| 102 | |
| 103 | // switch to 16bpp |
| 104 | gp2x_video_changemode_ll(16); |
| 105 | gp2x_video_RGB_setscaling(0, 320, 240); |
| 106 | } |
| 107 | |
| 108 | void plat_video_menu_begin(void) |
| 109 | { |
| 110 | g_menuscreen_ptr = g_screen_ptr; |
| 111 | } |
| 112 | |
| 113 | void plat_video_menu_end(void) |
| 114 | { |
| 115 | gp2x_video_flip2(); |
| 116 | } |
| 117 | |
| 118 | void plat_early_init(void) |
| 119 | { |
| 120 | gp2x_soc_t soc; |
| 121 | FILE *f; |
| 122 | |
| 123 | soc = soc_detect(); |
| 124 | switch (soc) |
| 125 | { |
| 126 | case SOCID_MMSP2: |
| 127 | default_cpu_clock = 200; |
| 128 | gp2x_dev_id = GP2X_DEV_GP2X; |
| 129 | break; |
| 130 | case SOCID_POLLUX: |
| 131 | default_cpu_clock = 533; |
| 132 | f = fopen("/dev/accel", "rb"); |
| 133 | if (f) { |
| 134 | printf("detected Caanoo\n"); |
| 135 | gp2x_dev_id = GP2X_DEV_CAANOO; |
| 136 | fclose(f); |
| 137 | } |
| 138 | else { |
| 139 | printf("detected Wiz\n"); |
| 140 | gp2x_dev_id = GP2X_DEV_WIZ; |
| 141 | } |
| 142 | break; |
| 143 | default: |
| 144 | printf("could not recognize SoC, running in dummy mode.\n"); |
| 145 | break; |
| 146 | } |
| 147 | |
| 148 | // just use gettimeofday until plat_init() |
| 149 | gp2x_get_ticks_ms = plat_get_ticks_ms_good; |
| 150 | gp2x_get_ticks_us = plat_get_ticks_us_good; |
| 151 | } |
| 152 | |
| 153 | void plat_init(void) |
| 154 | { |
| 155 | gp2x_soc_t soc; |
| 156 | |
| 157 | soc = soc_detect(); |
| 158 | switch (soc) |
| 159 | { |
| 160 | case SOCID_MMSP2: |
| 161 | mmsp2_init(); |
| 162 | break; |
| 163 | case SOCID_POLLUX: |
| 164 | pollux_init(); |
| 165 | break; |
| 166 | default: |
| 167 | dummy_init(); |
| 168 | break; |
| 169 | } |
| 170 | |
| 171 | warm_init(); |
| 172 | |
| 173 | gp2x_memset_all_buffers(0, 0, 320*240*2); |
| 174 | |
| 175 | // use buffer2 for menubg to save mem (using only buffers 0, 1 in menu) |
| 176 | g_menubg_ptr = gp2x_screens[2]; |
| 177 | |
| 178 | // snd |
| 179 | sndout_oss_init(); |
| 180 | |
| 181 | if (gp2x_dev_id == GP2X_DEV_CAANOO) |
| 182 | in_set_config(in_name_to_id("evdev:pollux-analog"), IN_CFG_KEY_NAMES, |
| 183 | caanoo_keys, sizeof(caanoo_keys)); |
| 184 | |
| 185 | gp2x_menu_init(); |
| 186 | } |
| 187 | |
| 188 | void plat_finish(void) |
| 189 | { |
| 190 | gp2x_soc_t soc; |
| 191 | |
| 192 | warm_finish(); |
| 193 | |
| 194 | soc = soc_detect(); |
| 195 | switch (soc) |
| 196 | { |
| 197 | case SOCID_MMSP2: |
| 198 | mmsp2_finish(); |
| 199 | break; |
| 200 | case SOCID_POLLUX: |
| 201 | pollux_finish(); |
| 202 | break; |
| 203 | default: |
| 204 | dummy_finish(); |
| 205 | break; |
| 206 | } |
| 207 | |
| 208 | sndout_oss_exit(); |
| 209 | } |
| 210 | |