X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=gp2x%2Fgp2x.c;h=d03a548fadb6e40d2a32d056efa41fc1906aa4f1;hb=d40aa461c5267826ec092f80b9e4db6cc38466b1;hp=88f17313fe138ac0f6388e6b49c4063409649636;hpb=4742480dcabcbd9d23fd8cb9a655fc8c9c314513;p=gpsp.git diff --git a/gp2x/gp2x.c b/gp2x/gp2x.c index 88f1731..d03a548 100644 --- a/gp2x/gp2x.c +++ b/gp2x/gp2x.c @@ -1,6 +1,6 @@ -/* Parts used from cpuctrl */ -/* cpuctrl for GP2X - Copyright (C) 2005 Hermes/PS2Reality +/* + 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 @@ -19,75 +19,268 @@ */ +#define _GNU_SOURCE +#include "../common.h" #include #include #include -#include "../common.h" +#include +#include +#include #include "gp2x.h" -#include "warm.h" +#include "pollux_dpc_set.h" -extern int main_cpuspeed(int argc, char *argv[]); -extern SDL_Surface* screen; +static u32 gpsp_gp2x_dev_audio; +static u32 gpsp_gp2x_dev; +#ifdef WIZ_BUILD +static u32 gpsp_gp2x_gpiodev; +#endif -u32 gp2x_audio_volume = 74/2; -u32 gpsp_gp2x_dev_audio = 0; -u32 gpsp_gp2x_dev = 0; -u32 gpsp_gp2x_gpiodev = 0; +static u32 gp2x_audio_volume = 74/2; static volatile u16 *gpsp_gp2x_memregs; static volatile u32 *gpsp_gp2x_memregl; -unsigned short *gp2x_memregs; -static volatile u16 *MEM_REG; +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, + GP2X_VOL_DOWN, + GP2X_VOL_UP, + GP2X_PUSH, + GP2X_VOL_MIDDLE +}; + +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 +}; + +#ifdef WIZ_BUILD +#include +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; + 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; + + pollux_video_flip(); + warm_change_cb_upper(WCB_C_BIT|WCB_B_BIT, 1); +} + +void pollux_video_flip() +{ + gpsp_gp2x_memregl[0x406C>>2] = fb_paddr[fb_work_buf]; + gpsp_gp2x_memregl[0x4058>>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) +{ + 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 */ + pollux_dpc_set(gpsp_gp2x_memregs, getenv("pollux_dpc_set")); +} + +static void fb_video_exit() +{ + /* switch to default fb mem, turn portrait off */ + gpsp_gp2x_memregl[0x406C>>2] = fb_paddr[0]; + gpsp_gp2x_memregl[0x4058>>2] |= 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; +} -s32 gp2x_load_mmuhack() +u32 wiz_load_gamepak(char *name) { - s32 mmufd = open("/dev/mmuhack", O_RDWR); + 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(mmufd < 0) + if (wiz_gamepak_fd < 0) { - system("/sbin/insmod mmuhack.o"); - mmufd = open("/dev/mmuhack", O_RDWR); + 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(); - if(mmufd < 0) + 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; - close(mmufd); - return 0; + 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; } -void gp2x_init() +#endif + +void gpsp_plat_init(void) { + char buff[256]; + gpsp_gp2x_dev = open("/dev/mem", O_RDWR); gpsp_gp2x_dev_audio = open("/dev/mixer", O_RDWR); - gpsp_gp2x_memregl = - (unsigned long *)mmap(0, 0x10000, PROT_READ|PROT_WRITE, MAP_SHARED, + gpsp_gp2x_memregl = (u32 *)mmap(0, 0x10000, PROT_READ|PROT_WRITE, MAP_SHARED, gpsp_gp2x_dev, 0xc0000000); - gpsp_gp2x_memregs = (unsigned short *)gpsp_gp2x_memregl; + gpsp_gp2x_memregs = (u16 *)gpsp_gp2x_memregl; + warm_init(); #ifdef WIZ_BUILD gpsp_gp2x_gpiodev = open("/dev/GPIO", O_RDONLY); + fb_video_init(); #endif - warm_init(); - clear_screen(0); -// main_cpuspeed(0, NULL); - gp2x_memregs = (void *)gpsp_gp2x_memregs; - cpuctrl_init(); gp2x_sound_volume(1); } -void gp2x_quit() +void gpsp_plat_quit(void) { - munmap((void *)gpsp_gp2x_memregl, 0x10000); - close(gpsp_gp2x_dev_audio); - close(gpsp_gp2x_dev); + char buff1[256], buff2[256]; + + getcwd(buff1, sizeof(buff1)); + chdir(main_path); + + warm_finish(); #ifdef WIZ_BUILD close(gpsp_gp2x_gpiodev); + fb_video_exit(); + wiz_gamepak_cleanup(); #endif + munmap((void *)gpsp_gp2x_memregl, 0x10000); + close(gpsp_gp2x_dev_audio); + close(gpsp_gp2x_dev); - //chdir("/usr/gp2x"); - //execl("gp2xmenu", "gp2xmenu", NULL); + fcloseall(); + sync(); exit(0); } @@ -105,7 +298,7 @@ void gp2x_sound_volume(u32 volume_up) ioctl(gpsp_gp2x_dev_audio, SOUND_MIXER_WRITE_PCM, &volume); } -u32 gpsp_gp2x_joystick_read(void) +u32 gpsp_plat_joystick_read(void) { #ifdef WIZ_BUILD u32 value = 0; @@ -136,13 +329,65 @@ u32 gpsp_gp2x_joystick_read(void) #endif } -#ifdef WIZ_BUILD -void cpuctrl_init(void) +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 WIZ_BUILD + #define SYS_CLK_FREQ 27 + // m = MDIV, p = PDIV, s = SDIV + pdiv = 9; + mdiv = (MHZ * pdiv) / SYS_CLK_FREQ; + mdiv &= 0x3ff; + v = (pdiv<<18) | (mdiv<<8) | sdiv; + + gpsp_gp2x_memregl[0xf004>>2] = v; + gpsp_gp2x_memregl[0xf07c>>2] |= 0x8000; + while (gpsp_gp2x_memregl[0xf07c>>2] & 0x8000) + ; +#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 +}