diff options
Diffstat (limited to 'gp2x/gp2x.c')
| -rw-r--r-- | gp2x/gp2x.c | 545 |
1 files changed, 0 insertions, 545 deletions
diff --git a/gp2x/gp2x.c b/gp2x/gp2x.c deleted file mode 100644 index b80315c..0000000 --- a/gp2x/gp2x.c +++ /dev/null @@ -1,545 +0,0 @@ -/* - Parts used from cpuctrl, Copyright (C) 2005 Hermes/PS2Reality - Portions Copyright (C) 2009 notaz - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - -*/ - - -#define _GNU_SOURCE 1 -#include "../common.h" -#include <sys/mman.h> -#include <sys/ioctl.h> -#include <sys/soundcard.h> -#include <sys/types.h> -#include <unistd.h> -#include <ctype.h> -#include <linux/input.h> -#include "gp2x.h" -#include "pollux_dpc_set.h" - -static u32 gpsp_gp2x_dev_audio; -static u32 gpsp_gp2x_dev; -#ifdef POLLUX_BUILD -static u32 gpsp_gp2x_indev; -static u32 saved_405c, saved_4060, saved_4058; -#endif - -static u32 gp2x_audio_volume = 74/2; - -static volatile u16 *gpsp_gp2x_memregs; -static volatile u32 *gpsp_gp2x_memregl; - -u32 button_plat_mask_to_config[PLAT_BUTTON_COUNT] = -{ - GP2X_UP, - GP2X_LEFT, - GP2X_DOWN, - GP2X_RIGHT, - GP2X_START, - GP2X_SELECT, - GP2X_L, - GP2X_R, - GP2X_A, - GP2X_B, - GP2X_X, - GP2X_Y, -#if defined(POLLUX_BUILD) && !defined(WIZ_BUILD) - 0, - 0, - GP2X_PUSH, - GP2X_HOME, -#else - GP2X_VOL_DOWN, - GP2X_VOL_UP, - GP2X_PUSH, - GP2X_VOL_MIDDLE -#endif -}; - -u32 gamepad_config_map[PLAT_BUTTON_COUNT] = -{ - BUTTON_ID_UP, // Up - BUTTON_ID_LEFT, // Left - BUTTON_ID_DOWN, // Down - BUTTON_ID_RIGHT, // Right - BUTTON_ID_START, // Start - BUTTON_ID_SELECT, // Select - BUTTON_ID_L, // Ltrigger - BUTTON_ID_R, // Rtrigger - BUTTON_ID_FPS, // A - BUTTON_ID_A, // B - BUTTON_ID_B, // X - BUTTON_ID_MENU, // Y - BUTTON_ID_VOLDOWN, // Vol down - BUTTON_ID_VOLUP, // Vol up - BUTTON_ID_FPS, // Push - BUTTON_ID_MENU // Vol middle / Home -}; - -#ifdef POLLUX_BUILD -#include <linux/fb.h> -void *gpsp_gp2x_screen; -#define fb_buf_count 4 -static u32 fb_paddr[fb_buf_count]; -static void *fb_vaddr[fb_buf_count]; -static u32 fb_work_buf; -static int fb_buf_use; -static int fbdev; - -static void fb_video_init() -{ - struct fb_fix_screeninfo fbfix; - unsigned int r; - int i, ret; - - fbdev = open("/dev/fb0", O_RDWR); - if (fbdev < 0) { - perror("can't open fbdev"); - exit(1); - } - - ret = ioctl(fbdev, FBIOGET_FSCREENINFO, &fbfix); - if (ret == -1) - { - perror("ioctl(fbdev) failed"); - exit(1); - } - - printf("framebuffer: \"%s\" @ %08lx\n", fbfix.id, fbfix.smem_start); - fb_paddr[0] = fbfix.smem_start; - - fb_vaddr[0] = mmap(0, 320*240*2*fb_buf_count, PROT_READ|PROT_WRITE, - MAP_SHARED, gpsp_gp2x_dev, fb_paddr[0]); - if (fb_vaddr[0] == MAP_FAILED) - { - perror("mmap(fb_vaddr) failed"); - exit(1); - } - memset(fb_vaddr[0], 0, 320*240*2*fb_buf_count); - - printf(" %p -> %08x\n", fb_vaddr[0], fb_paddr[0]); - for (i = 1; i < fb_buf_count; i++) - { - fb_paddr[i] = fb_paddr[i-1] + 320*240*2; - fb_vaddr[i] = (char *)fb_vaddr[i-1] + 320*240*2; - printf(" %p -> %08x\n", fb_vaddr[i], fb_paddr[i]); - } - fb_work_buf = 0; - fb_buf_use = fb_buf_count; - - saved_405c = gpsp_gp2x_memregl[0x405c>>2]; - saved_4060 = gpsp_gp2x_memregl[0x4060>>2]; - saved_4058 = gpsp_gp2x_memregl[0x4058>>2]; - - // set mode; program both MLCs so that TV-out works - gpsp_gp2x_memregl[0x405c>>2] = gpsp_gp2x_memregl[0x445c>>2] = 2; - gpsp_gp2x_memregl[0x4060>>2] = gpsp_gp2x_memregl[0x4460>>2] = 320 * 2; - - r = gpsp_gp2x_memregl[0x4058>>2]; - r = (r & 0xffff) | (0x4432 << 16) | 0x10; - gpsp_gp2x_memregl[0x4058>>2] = r; - - r = gpsp_gp2x_memregl[0x4458>>2]; - r = (r & 0xffff) | (0x4432 << 16) | 0x10; - gpsp_gp2x_memregl[0x4458>>2] = r; - - pollux_video_flip(); - warm_change_cb_upper(WCB_C_BIT|WCB_B_BIT, 1); -} - -void pollux_video_flip() -{ - gpsp_gp2x_memregl[0x406C>>2] = - gpsp_gp2x_memregl[0x446C>>2] = fb_paddr[fb_work_buf]; - gpsp_gp2x_memregl[0x4058>>2] |= 0x10; - gpsp_gp2x_memregl[0x4458>>2] |= 0x10; - fb_work_buf++; - if (fb_work_buf >= fb_buf_use) - fb_work_buf = 0; - gpsp_gp2x_screen = fb_vaddr[fb_work_buf]; -} - -void fb_use_buffers(int count) -{ - if (count < 1) - count = 1; - else if (count > fb_buf_count) - count = fb_buf_count; - fb_buf_use = count; - memset(fb_vaddr[0], 0, 320*240*2*count); -} - -void wiz_lcd_set_portrait(int y) -{ - char *dpc_settings; -#ifdef WIZ_BUILD - static int old_y = -1; - int cmd[2] = { 0, 0 }; - - if (old_y == y) - return; - cmd[0] = y ? 6 : 5; - ioctl(fbdev, _IOW('D', 90, int[2]), cmd); - gpsp_gp2x_memregl[0x4004>>2] = y ? 0x013f00ef : 0x00ef013f; - gpsp_gp2x_memregl[0x4000>>2] |= 1 << 3; - old_y = y; - - /* the above ioctl resets LCD timings, so set them here */ -#endif - - dpc_settings = getenv("pollux_dpc_set"); - if (dpc_settings != NULL) - pollux_dpc_set(gpsp_gp2x_memregs, dpc_settings); -} - -static void fb_video_exit() -{ - /* switch to default fb mem, turn portrait off */ - gpsp_gp2x_memregl[0x406c>>2] = fb_paddr[0]; - gpsp_gp2x_memregl[0x405c>>2] = saved_405c; - gpsp_gp2x_memregl[0x4060>>2] = saved_4060; - gpsp_gp2x_memregl[0x4058>>2] = saved_4058 | 0x10; - wiz_lcd_set_portrait(0); - close(fbdev); -} - -static int wiz_gamepak_fd = -1; -static u32 wiz_gamepak_size; - -static void wiz_gamepak_cleanup() -{ - if (wiz_gamepak_size) - munmap(gamepak_rom, wiz_gamepak_size); - if (wiz_gamepak_fd >= 0) - close(wiz_gamepak_fd); - gamepak_rom = NULL; - wiz_gamepak_size = 0; - wiz_gamepak_fd = -1; -} - -u32 wiz_load_gamepak(char *name) -{ - char *dot_position = strrchr(name, '.'); - u32 ret; - - if (!strcasecmp(dot_position, ".zip")) - { - if (wiz_gamepak_fd >= 0) - { - wiz_gamepak_cleanup(); - printf("switching to ROM malloc\n"); - init_gamepak_buffer(); - } - return load_file_zip(name); - } - - if (wiz_gamepak_fd < 0) - { - extern void *gamepak_memory_map; - free(gamepak_rom); - free(gamepak_memory_map); - gamepak_memory_map = NULL; - printf("switching to ROM mmap\n"); - } - else - wiz_gamepak_cleanup(); - - wiz_gamepak_fd = open(name, O_RDONLY|O_NOATIME, S_IRUSR); - if (wiz_gamepak_fd < 0) - { - perror("wiz_load_gamepak: open failed"); - return -1; - } - - ret = lseek(wiz_gamepak_fd, 0, SEEK_END); - wiz_gamepak_size = gamepak_ram_buffer_size = ret; - - gamepak_rom = mmap(0, ret, PROT_READ, MAP_SHARED, wiz_gamepak_fd, 0); - if (gamepak_rom == MAP_FAILED) - { - perror("wiz_load_gamepak: mmap failed"); - return -1; - } - - return ret; -} - -#define KEYBITS_BIT(x) (keybits[(x)/sizeof(keybits[0])/8] & \ - (1 << ((x) & (sizeof(keybits[0])*8-1)))) - -static int abs_min, abs_max, lzone_step; - -static int open_caanoo_pad(void) -{ - long keybits[KEY_CNT / sizeof(long) / 8]; - long absbits[(ABS_MAX+1) / sizeof(long) / 8]; - struct input_absinfo ainfo; - int fd = -1, i; - - memset(keybits, 0, sizeof(keybits)); - memset(absbits, 0, sizeof(absbits)); - - for (i = 0;; i++) - { - int support = 0, need; - int ret; - char name[64]; - - snprintf(name, sizeof(name), "/dev/input/event%d", i); - fd = open(name, O_RDONLY|O_NONBLOCK); - if (fd == -1) - break; - - /* check supported events */ - ret = ioctl(fd, EVIOCGBIT(0, sizeof(support)), &support); - if (ret == -1) { - printf("in_evdev: ioctl failed on %s\n", name); - goto skip; - } - - need = (1 << EV_KEY) | (1 << EV_ABS); - if ((support & need) != need) - goto skip; - - ret = ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keybits)), keybits); - if (ret == -1) { - printf("in_evdev: ioctl failed on %s\n", name); - goto skip; - } - - if (!KEYBITS_BIT(BTN_JOYSTICK)) - goto skip; - - ret = ioctl(fd, EVIOCGABS(ABS_X), &ainfo); - if (ret == -1) - goto skip; - - abs_min = ainfo.minimum; - abs_max = ainfo.maximum; - lzone_step = (abs_max - abs_min) / 2 / 9; - - ioctl(fd, EVIOCGNAME(sizeof(name)), name); - printf("using \"%s\" (type %08x)\n", name, support); - break; - -skip: - close(fd); - fd = -1; - } - - if (fd == -1) { - printf("missing input device\n"); - exit(1); - } - - return fd; -} -#endif // POLLUX_BUILD - -void gpsp_plat_init(void) -{ - gpsp_gp2x_dev = open("/dev/mem", O_RDWR); - gpsp_gp2x_dev_audio = open("/dev/mixer", O_RDWR); - gpsp_gp2x_memregl = (u32 *)mmap(0, 0x10000, PROT_READ|PROT_WRITE, MAP_SHARED, - gpsp_gp2x_dev, 0xc0000000); - gpsp_gp2x_memregs = (u16 *)gpsp_gp2x_memregl; - warm_init(); -#ifdef POLLUX_BUILD -#ifdef WIZ_BUILD - gpsp_gp2x_indev = open("/dev/GPIO", O_RDONLY); -#else - gpsp_gp2x_indev = open_caanoo_pad(); -#endif - fb_video_init(); - (void)open_caanoo_pad; -#endif - - gp2x_sound_volume(1); -} - -void gpsp_plat_quit(void) -{ - chdir(main_path); - - warm_finish(); -#ifdef POLLUX_BUILD - wiz_gamepak_cleanup(); - close(gpsp_gp2x_indev); - fb_video_exit(); -#endif - munmap((void *)gpsp_gp2x_memregl, 0x10000); - close(gpsp_gp2x_dev_audio); - close(gpsp_gp2x_dev); - - fcloseall(); - sync(); - exit(0); -} - -void gp2x_sound_volume(u32 volume_up) -{ - u32 volume; - if((volume_up == 0) && (gp2x_audio_volume > 0)) - gp2x_audio_volume--; - - if((volume_up != 0) && (gp2x_audio_volume < 100)) - gp2x_audio_volume++; - - volume = (gp2x_audio_volume * 0x50) / 100; - volume = (gp2x_audio_volume << 8) | gp2x_audio_volume; - ioctl(gpsp_gp2x_dev_audio, SOUND_MIXER_WRITE_PCM, &volume); -} - -u32 gpsp_plat_joystick_read(void) -{ -#ifdef WIZ_BUILD - u32 value = 0; - read(gpsp_gp2x_indev, &value, 4); - if(value & 0x02) - value |= 0x05; - if(value & 0x08) - value |= 0x14; - if(value & 0x20) - value |= 0x50; - if(value & 0x80) - value |= 0x41; - return value; -#elif defined(POLLUX_BUILD) - // caanoo - static const int evdev_to_gp2x[] = { - GP2X_A, GP2X_X, GP2X_B, GP2X_Y, GP2X_L, GP2X_R, - GP2X_HOME, 0, GP2X_START, GP2X_SELECT, GP2X_PUSH - }; - int keybits[KEY_CNT / sizeof(int)]; - struct input_absinfo ainfo; - int lzone = analog_sensitivity_level * lzone_step; - u32 retval = 0; - int i, ret; - - ret = ioctl(gpsp_gp2x_indev, EVIOCGKEY(sizeof(keybits)), keybits); - if (ret == -1) { - perror("EVIOCGKEY ioctl failed"); - sleep(1); - return 0; - } - - for (i = 0; i < sizeof(evdev_to_gp2x) / sizeof(evdev_to_gp2x[0]); i++) { - if (KEYBITS_BIT(BTN_TRIGGER + i)) - retval |= evdev_to_gp2x[i]; - } - - if (lzone != 0) - lzone--; - - ret = ioctl(gpsp_gp2x_indev, EVIOCGABS(ABS_X), &ainfo); - if (ret != -1) { - if (ainfo.value <= abs_min + lzone) retval |= GP2X_LEFT; - else if (ainfo.value >= abs_max - lzone) retval |= GP2X_RIGHT; - } - ret = ioctl(gpsp_gp2x_indev, EVIOCGABS(ABS_Y), &ainfo); - if (ret != -1) { - if (ainfo.value <= abs_min + lzone) retval |= GP2X_UP; - else if (ainfo.value >= abs_max - lzone) retval |= GP2X_DOWN; - } - - return retval; -#else - // GP2X - u32 value = (gpsp_gp2x_memregs[0x1198 >> 1] & 0x00FF); - - if(value == 0xFD) - value = 0xFA; - if(value == 0xF7) - value = 0xEB; - if(value == 0xDF) - value = 0xAF; - if(value == 0x7F) - value = 0xBE; - - return ~((gpsp_gp2x_memregs[0x1184 >> 1] & 0xFF00) | value | - (gpsp_gp2x_memregs[0x1186 >> 1] << 16)); -#endif -} - -u32 gpsp_plat_buttons_to_cursor(u32 buttons) -{ - gui_action_type new_button = CURSOR_NONE; - - if(buttons & GP2X_A) - new_button = CURSOR_BACK; - - if(buttons & GP2X_X) - new_button = CURSOR_EXIT; - - if(buttons & GP2X_B) - new_button = CURSOR_SELECT; - - if(buttons & GP2X_UP) - new_button = CURSOR_UP; - - if(buttons & GP2X_DOWN) - new_button = CURSOR_DOWN; - - if(buttons & GP2X_LEFT) - new_button = CURSOR_LEFT; - - if(buttons & GP2X_RIGHT) - new_button = CURSOR_RIGHT; - - if(buttons & GP2X_L) - new_button = CURSOR_L; - - if(buttons & GP2X_R) - new_button = CURSOR_R; - - return new_button; -} - -// Fout = (m * Fin) / (p * 2^s) -void set_FCLK(u32 MHZ) -{ - u32 v; - u32 mdiv, pdiv, sdiv = 0; -#ifdef POLLUX_BUILD - int i; - #define SYS_CLK_FREQ 27 - // m = MDIV, p = PDIV, s = SDIV - pdiv = 9; - mdiv = (MHZ * pdiv) / SYS_CLK_FREQ; - if (mdiv & ~0x3ff) - return; - v = (pdiv<<18) | (mdiv<<8) | sdiv; - - gpsp_gp2x_memregl[0xf004>>2] = v; - gpsp_gp2x_memregl[0xf07c>>2] |= 0x8000; - for (i = 0; (gpsp_gp2x_memregl[0xf07c>>2] & 0x8000) && i < 0x100000; i++) - ; - - // must restart sound as it's PLL is shared with CPU one - sound_exit(); - init_sound(0); -#else - #define SYS_CLK_FREQ 7372800 - // m = MDIV + 8, p = PDIV + 2, s = SDIV - pdiv = 3; - mdiv = (MHZ * pdiv * 1000000) / SYS_CLK_FREQ; - mdiv &= 0xff; - v = ((mdiv-8)<<8) | ((pdiv-2)<<2) | sdiv; - gpsp_gp2x_memregs[0x910>>1] = v; -#endif -} - |