X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=frontend%2Fgp2x%2Fin_gp2x.c;fp=frontend%2Fgp2x%2Fin_gp2x.c;h=b750e6886bb5fbf2768867bad08e60ba74106d62;hp=0000000000000000000000000000000000000000;hb=221be40d20d1fc4e1c597b087ea54130b80739f1;hpb=50306d8d6e20ede70c2dea274ae1099082aea88f diff --git a/frontend/gp2x/in_gp2x.c b/frontend/gp2x/in_gp2x.c new file mode 100644 index 00000000..b750e688 --- /dev/null +++ b/frontend/gp2x/in_gp2x.c @@ -0,0 +1,324 @@ +#include +#include +#include +#include +#include +#include +#include + +#include "../common/input.h" +#include "in_gp2x.h" + +#define IN_GP2X_PREFIX "gp2x:" +#define IN_GP2X_NBUTTONS 32 + +/* note: in_gp2x hadles combos (if 2 btns have the same bind, + * both must be pressed for action to happen) */ +static int in_gp2x_combo_keys = 0; +static int in_gp2x_combo_acts = 0; +static int gpiodev = -1; /* Wiz only */ + +static int (*in_gp2x_get_bits)(void); + +static const char *in_gp2x_keys[IN_GP2X_NBUTTONS] = { + [0 ... IN_GP2X_NBUTTONS-1] = NULL, + [GP2X_BTN_UP] = "Up", [GP2X_BTN_LEFT] = "Left", + [GP2X_BTN_DOWN] = "Down", [GP2X_BTN_RIGHT] = "Right", + [GP2X_BTN_START] = "Start", [GP2X_BTN_SELECT] = "Select", + [GP2X_BTN_L] = "L", [GP2X_BTN_R] = "R", + [GP2X_BTN_A] = "A", [GP2X_BTN_B] = "B", + [GP2X_BTN_X] = "X", [GP2X_BTN_Y] = "Y", + [GP2X_BTN_VOL_DOWN] = "VOL DOWN", + [GP2X_BTN_VOL_UP] = "VOL UP", + [GP2X_BTN_PUSH] = "PUSH" +}; + + +static int in_gp2x_get_mmsp2_bits(void) +{ + extern volatile unsigned short *gp2x_memregs; + int value; + value = gp2x_memregs[0x1198>>1] & 0xff; // GPIO M + if (value == 0xFD) value = 0xFA; + if (value == 0xF7) value = 0xEB; + if (value == 0xDF) value = 0xAF; + if (value == 0x7F) value = 0xBE; + value |= gp2x_memregs[0x1184>>1] & 0xFF00; // GPIO C + value |= gp2x_memregs[0x1186>>1] << 16; // GPIO D + value = ~value & 0x08c0ff55; + + return value; +} + +static int in_gp2x_get_wiz_bits(void) +{ + int r, value = 0; + r = read(gpiodev, &value, 4); + if (value & 0x02) + value |= 0x05; + if (value & 0x08) + value |= 0x14; + if (value & 0x20) + value |= 0x50; + if (value & 0x80) + value |= 0x41; + + /* convert to GP2X style */ + value &= 0x7ff55; + if (value & (1 << 16)) + value |= 1 << GP2X_BTN_VOL_UP; + if (value & (1 << 17)) + value |= 1 << GP2X_BTN_VOL_DOWN; + if (value & (1 << 18)) + value |= 1 << GP2X_BTN_PUSH; + value &= ~0x70000; + + return value; +} + +#ifdef FAKE_IN_GP2X +volatile unsigned short *gp2x_memregs; +int gp2x_dev_id = -1; + +static int in_gp2x_get_fake_bits(void) +{ + extern int current_keys; + return current_keys; +} +#endif + +static void in_gp2x_probe(void) +{ + switch (gp2x_dev_id) + { + case GP2X_DEV_GP2X: + in_gp2x_get_bits = in_gp2x_get_mmsp2_bits; + break; + case GP2X_DEV_WIZ: + gpiodev = open("/dev/GPIO", O_RDONLY); + if (gpiodev < 0) { + perror("in_gp2x: couldn't open /dev/GPIO"); + return; + } + in_gp2x_get_bits = in_gp2x_get_wiz_bits; + break; + // we'll use evdev for Caanoo + default: +#ifdef FAKE_IN_GP2X + in_gp2x_get_bits = in_gp2x_get_fake_bits; + break; +#endif + return; + } + + in_register(IN_GP2X_PREFIX "GP2X pad", -1, NULL, + IN_GP2X_NBUTTONS, in_gp2x_keys, 1); +} + +static void in_gp2x_free(void *drv_data) +{ + if (gpiodev >= 0) { + close(gpiodev); + gpiodev = -1; + } +} + +static const char * const * +in_gp2x_get_key_names(int *count) +{ + *count = IN_GP2X_NBUTTONS; + return in_gp2x_keys; +} + +/* ORs result with pressed buttons */ +static int in_gp2x_update(void *drv_data, const int *binds, int *result) +{ + int type_start = 0; + int i, t, keys; + + keys = in_gp2x_get_bits(); + + if (keys & in_gp2x_combo_keys) { + result[IN_BINDTYPE_EMU] = in_combos_do(keys, binds, GP2X_BTN_PUSH, + in_gp2x_combo_keys, in_gp2x_combo_acts); + type_start = IN_BINDTYPE_PLAYER12; + } + + for (i = 0; keys; i++, keys >>= 1) { + if (!(keys & 1)) + continue; + + for (t = type_start; t < IN_BINDTYPE_COUNT; t++) + result[t] |= binds[IN_BIND_OFFS(i, t)]; + } + + return 0; +} + +int in_gp2x_update_keycode(void *data, int *is_down) +{ + static int old_val = 0; + int val, diff, i; + + val = in_gp2x_get_bits(); + diff = val ^ old_val; + if (diff == 0) + return -1; + + /* take one bit only */ + for (i = 0; i < sizeof(diff)*8; i++) + if (diff & (1< kc */ + keycode = -keycode; + for (i = 0; i < KEY_PBTN_MAP_SIZE; i++) + if (key_pbtn_map[i].pbtn == keycode) + return key_pbtn_map[i].key; + } + else + { + for (i = 0; i < KEY_PBTN_MAP_SIZE; i++) + if (key_pbtn_map[i].key == keycode) + return key_pbtn_map[i].pbtn; + } + + return 0; +} + +#if 0 // TODO: move to pico +static const struct { + short code; + char btype; + char bit; +} in_gp2x_defbinds[] = +{ + /* MXYZ SACB RLDU */ + { BTN_UP, IN_BINDTYPE_PLAYER12, 0 }, + { BTN_DOWN, IN_BINDTYPE_PLAYER12, 1 }, + { BTN_LEFT, IN_BINDTYPE_PLAYER12, 2 }, + { BTN_RIGHT, IN_BINDTYPE_PLAYER12, 3 }, + { BTN_X, IN_BINDTYPE_PLAYER12, 4 }, /* B */ + { BTN_B, IN_BINDTYPE_PLAYER12, 5 }, /* C */ + { BTN_A, IN_BINDTYPE_PLAYER12, 6 }, /* A */ + { BTN_START, IN_BINDTYPE_PLAYER12, 7 }, + { BTN_SELECT, IN_BINDTYPE_EMU, PEVB_MENU }, +// { BTN_Y, IN_BINDTYPE_EMU, PEVB_SWITCH_RND }, + { BTN_L, IN_BINDTYPE_EMU, PEVB_STATE_SAVE }, + { BTN_R, IN_BINDTYPE_EMU, PEVB_STATE_LOAD }, + { BTN_VOL_UP, IN_BINDTYPE_EMU, PEVB_VOL_UP }, + { BTN_VOL_DOWN, IN_BINDTYPE_EMU, PEVB_VOL_DOWN }, + { 0, 0, 0 }, +}; +#endif + +static void in_gp2x_get_def_binds(int *binds) +{ + int i; + + for (i = 0; 1; i++) { + if (in_gp2x_defbinds[i].bit == 0 && in_gp2x_defbinds[i].code == 0) + break; + binds[IN_BIND_OFFS(in_gp2x_defbinds[i].code, in_gp2x_defbinds[i].btype)] = + 1 << in_gp2x_defbinds[i].bit; + } +} + +/* remove binds of missing keys, count remaining ones */ +static int in_gp2x_clean_binds(void *drv_data, int *binds, int *def_binds) +{ + int i, count = 0; +// int eb, have_vol = 0, have_menu = 0; + + for (i = 0; i < IN_GP2X_NBUTTONS; i++) { + int t, offs; + for (t = 0; t < IN_BINDTYPE_COUNT; t++) { + offs = IN_BIND_OFFS(i, t); + if (in_gp2x_keys[i] == NULL) + binds[offs] = def_binds[offs] = 0; + if (binds[offs]) + count++; + } +#if 0 + eb = binds[IN_BIND_OFFS(i, IN_BINDTYPE_EMU)]; + if (eb & (PEV_VOL_DOWN|PEV_VOL_UP)) + have_vol = 1; + if (eb & PEV_MENU) + have_menu = 1; +#endif + } + + // TODO: move to pico +#if 0 + /* autobind some important keys, if they are unbound */ + if (!have_vol && binds[GP2X_BTN_VOL_UP] == 0 && binds[GP2X_BTN_VOL_DOWN] == 0) { + binds[IN_BIND_OFFS(GP2X_BTN_VOL_UP, IN_BINDTYPE_EMU)] = PEV_VOL_UP; + binds[IN_BIND_OFFS(GP2X_BTN_VOL_DOWN, IN_BINDTYPE_EMU)] = PEV_VOL_DOWN; + count += 2; + } + + if (!have_menu) { + binds[IN_BIND_OFFS(GP2X_BTN_SELECT, IN_BINDTYPE_EMU)] = PEV_MENU; + count++; + } +#endif + + in_combos_find(binds, GP2X_BTN_PUSH, &in_gp2x_combo_keys, &in_gp2x_combo_acts); + + return count; +} + +static const in_drv_t in_gp2x_drv = { + .prefix = IN_GP2X_PREFIX, + .probe = in_gp2x_probe, + .free = in_gp2x_free, + .get_key_names = in_gp2x_get_key_names, + .get_def_binds = in_gp2x_get_def_binds, + .clean_binds = in_gp2x_clean_binds, + .update = in_gp2x_update, + .update_keycode = in_gp2x_update_keycode, + .menu_translate = in_gp2x_menu_translate, +}; + +void in_gp2x_init(void) +{ + if (gp2x_dev_id == GP2X_DEV_WIZ) + in_gp2x_keys[GP2X_BTN_START] = "MENU"; + + in_gp2x_combo_keys = in_gp2x_combo_acts = 0; + + in_register_driver(&in_gp2x_drv); +} +