| 1 | /* |
| 2 | * GINGE - GINGE Is Not Gp2x Emulator |
| 3 | * (C) notaz, 2010-2011 |
| 4 | * |
| 5 | * This work is licensed under the MAME license, see COPYING file for details. |
| 6 | */ |
| 7 | #include <sys/types.h> |
| 8 | #include <sys/stat.h> |
| 9 | #include <fcntl.h> |
| 10 | #include <unistd.h> |
| 11 | #include <sys/mman.h> |
| 12 | #include <linux/input.h> |
| 13 | |
| 14 | #include "../common/warm/warm.h" |
| 15 | |
| 16 | extern int memdev, probably_caanoo; // leasing from wiz_video |
| 17 | |
| 18 | #define BTN_JOY BTN_JOYSTICK |
| 19 | |
| 20 | static struct in_default_bind wiz_evdev_defbinds[] = { |
| 21 | { KEY_UP, IN_BINDTYPE_PLAYER12, GP2X_UP }, |
| 22 | { KEY_DOWN, IN_BINDTYPE_PLAYER12, GP2X_DOWN }, |
| 23 | { KEY_LEFT, IN_BINDTYPE_PLAYER12, GP2X_LEFT }, |
| 24 | { KEY_RIGHT, IN_BINDTYPE_PLAYER12, GP2X_RIGHT }, |
| 25 | { BTN_JOY + 0, IN_BINDTYPE_PLAYER12, GP2X_A }, |
| 26 | { BTN_JOY + 1, IN_BINDTYPE_PLAYER12, GP2X_X }, |
| 27 | { BTN_JOY + 2, IN_BINDTYPE_PLAYER12, GP2X_B }, |
| 28 | { BTN_JOY + 3, IN_BINDTYPE_PLAYER12, GP2X_Y }, |
| 29 | { BTN_JOY + 4, IN_BINDTYPE_PLAYER12, GP2X_L }, |
| 30 | { BTN_JOY + 5, IN_BINDTYPE_PLAYER12, GP2X_R }, |
| 31 | { BTN_JOY + 8, IN_BINDTYPE_PLAYER12, GP2X_START }, |
| 32 | { BTN_JOY + 9, IN_BINDTYPE_PLAYER12, GP2X_SELECT }, |
| 33 | { BTN_JOY + 10, IN_BINDTYPE_PLAYER12, GP2X_PUSH }, |
| 34 | { BTN_JOY + 6, IN_BINDTYPE_EMU, 0 }, |
| 35 | { 0, 0, 0 } |
| 36 | }; |
| 37 | |
| 38 | static const struct in_pdata wiz_evdev_pdata = { |
| 39 | .defbinds = wiz_evdev_defbinds, |
| 40 | }; |
| 41 | |
| 42 | // todo: rm when generic code works on Wiz |
| 43 | #if 0 |
| 44 | static int gpiodev = -1; |
| 45 | |
| 46 | int host_init(void) |
| 47 | { |
| 48 | gpiodev = open("/dev/GPIO", O_RDONLY); |
| 49 | if (gpiodev < 0) |
| 50 | perror(PFX "couldn't open /dev/GPIO"); |
| 51 | |
| 52 | return 0; |
| 53 | } |
| 54 | |
| 55 | int host_read_btns(void) |
| 56 | { |
| 57 | int r, value = 0; |
| 58 | |
| 59 | r = read(gpiodev, &value, 4); |
| 60 | if (value & 0x02) |
| 61 | value |= 0x05; |
| 62 | if (value & 0x08) |
| 63 | value |= 0x14; |
| 64 | if (value & 0x20) |
| 65 | value |= 0x50; |
| 66 | if (value & 0x80) |
| 67 | value |= 0x41; |
| 68 | |
| 69 | return value; |
| 70 | } |
| 71 | #endif |
| 72 | |
| 73 | void *host_mmap_upper(void) |
| 74 | { |
| 75 | void *ret; |
| 76 | int r; |
| 77 | |
| 78 | // make sure this never happens on Caanoo |
| 79 | if (probably_caanoo) { |
| 80 | err("Wiz mmap code called on Caanoo?"); |
| 81 | return MAP_FAILED; |
| 82 | } |
| 83 | |
| 84 | // Wiz GP2X |
| 85 | // <linux mem> 03460000-03ffffff 00ba0000 |
| 86 | // 02aa0000-02dfffff 03100000-0345ffff 00360000 |
| 87 | // <linux mem> 03000000-030fffff 00100000 |
| 88 | // 03000000-03ffffff 02000000-02ffffff 01000000 |
| 89 | ret = mmap((void *)0x82000000, 0x1000000, PROT_READ|PROT_WRITE|PROT_EXEC, |
| 90 | MAP_SHARED|MAP_FIXED, memdev, 0x3000000); |
| 91 | if (ret != (void *)0x82000000) |
| 92 | goto fail; |
| 93 | |
| 94 | ret = mmap((void *)0x83000000, 0x100000, PROT_READ|PROT_WRITE|PROT_EXEC, |
| 95 | MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED, -1, 0); |
| 96 | if (ret != (void *)0x83000000) |
| 97 | goto fail; |
| 98 | |
| 99 | ret = mmap((void *)0x83100000, 0x360000, PROT_READ|PROT_WRITE|PROT_EXEC, |
| 100 | MAP_SHARED|MAP_FIXED, memdev, 0x2aa0000); |
| 101 | if (ret != (void *)0x83100000) |
| 102 | goto fail; |
| 103 | |
| 104 | ret = mmap((void *)0x83460000, 0xba0000, PROT_READ|PROT_WRITE|PROT_EXEC, |
| 105 | MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED, -1, 0); |
| 106 | if (ret != (void *)0x83460000) |
| 107 | goto fail; |
| 108 | |
| 109 | r = warm_change_cb_range(WCB_B_BIT|WCB_C_BIT, 1, (void *)0x82000000, 0x1000000); |
| 110 | r |= warm_change_cb_range(WCB_B_BIT|WCB_C_BIT, 1, (void *)0x83100000, 0x360000); |
| 111 | if (r != 0) |
| 112 | err("could not make upper mem cacheable.\n"); |
| 113 | |
| 114 | return (void *)0x82000000; |
| 115 | |
| 116 | fail: |
| 117 | err("mmap %p: ", ret); |
| 118 | perror(NULL); |
| 119 | exit(1); |
| 120 | } |
| 121 | |
| 122 | static void host_actions(int actions[IN_BINDTYPE_COUNT]) |
| 123 | { |
| 124 | if (probably_caanoo && (actions[IN_BINDTYPE_EMU] & 1)) { |
| 125 | // 'home key as Fn' handling |
| 126 | int act = actions[IN_BINDTYPE_PLAYER12]; |
| 127 | if (act & (1 << GP2X_START)) { |
| 128 | act &= ~(1 << GP2X_START); |
| 129 | act |= 1 << GP2X_VOL_UP; |
| 130 | } |
| 131 | if (act & (1 << GP2X_SELECT)) { |
| 132 | act &= ~(1 << GP2X_SELECT); |
| 133 | act |= 1 << GP2X_VOL_DOWN; |
| 134 | } |
| 135 | if (act & (1 << GP2X_Y)) |
| 136 | host_forced_exit(); |
| 137 | actions[IN_BINDTYPE_PLAYER12] = act; |
| 138 | } |
| 139 | } |
| 140 | |
| 141 | static void host_init_input(void) |
| 142 | { |
| 143 | in_evdev_init(&wiz_evdev_pdata); |
| 144 | } |
| 145 | |
| 146 | // vim:shiftwidth=2:expandtab |