diff options
Diffstat (limited to 'frontend/gp2x/in_gp2x.c')
| -rw-r--r-- | frontend/gp2x/in_gp2x.c | 311 |
1 files changed, 0 insertions, 311 deletions
diff --git a/frontend/gp2x/in_gp2x.c b/frontend/gp2x/in_gp2x.c deleted file mode 100644 index 6b274a0..0000000 --- a/frontend/gp2x/in_gp2x.c +++ /dev/null @@ -1,311 +0,0 @@ -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <unistd.h> - -#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<<i)) - break; - - old_val ^= 1 << i; - - if (is_down) - *is_down = !!(val & (1<<i)); - return i; -} - -static const struct { - short key; - short pbtn; -} key_pbtn_map[] = -{ - { GP2X_BTN_UP, PBTN_UP }, - { GP2X_BTN_DOWN, PBTN_DOWN }, - { GP2X_BTN_LEFT, PBTN_LEFT }, - { GP2X_BTN_RIGHT, PBTN_RIGHT }, - { GP2X_BTN_B, PBTN_MOK }, - { GP2X_BTN_X, PBTN_MBACK }, - { GP2X_BTN_A, PBTN_MA2 }, - { GP2X_BTN_Y, PBTN_MA3 }, - { GP2X_BTN_L, PBTN_L }, - { GP2X_BTN_R, PBTN_R }, - { GP2X_BTN_SELECT, PBTN_MENU }, -}; - -#define KEY_PBTN_MAP_SIZE (sizeof(key_pbtn_map) / sizeof(key_pbtn_map[0])) - -static int in_gp2x_menu_translate(void *drv_data, int keycode, char *charcode) -{ - int i; - if (keycode < 0) - { - /* menu -> 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 - -/* 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, - .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(const struct in_default_bind *defbinds) -{ - 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, defbinds); -} - |