diff options
Diffstat (limited to 'gp2x')
| -rw-r--r-- | gp2x/Makefile | 30 | ||||
| -rw-r--r-- | gp2x/gp2x.c | 198 | ||||
| -rw-r--r-- | gp2x/gp2x.h | 9 |
3 files changed, 201 insertions, 36 deletions
diff --git a/gp2x/Makefile b/gp2x/Makefile index 9d281c1..9f06dd8 100644 --- a/gp2x/Makefile +++ b/gp2x/Makefile @@ -4,17 +4,22 @@ # Global definitions -PREFIX ?= /opt/open2x/gcc-4.1.1-glibc-2.3.6 -CC = $(PREFIX)/bin/arm-open2x-linux-gcc -STRIP = $(PREFIX)/bin/arm-open2x-linux-strip +CC = $(CROSS_COMPILE)gcc OBJS = main.o cpu.o memory.u video.o input.o sound.o gp2x.o gui.o \ cheats.o zip.o cpu_threaded.z arm_stub.o video_blend.o \ warm.o upscale_aspect.o ifeq ($(WIZ),1) +POLLUX = 1 OBJS += pollux_dpc_set.o BIN = gpsp_wiz -else +endif +ifeq ($(CAANOO),1) +POLLUX = 1 +OBJS += pollux_dpc_set.o +BIN = gpsp_caanoo +endif +ifeq ($(BIN),) BIN = gpsp_gp2x endif @@ -27,14 +32,18 @@ CFLAGS += -DARM_ARCH -DGP2X_BUILD ifeq ($(WIZ),1) CFLAGS += -DWIZ_BUILD endif -# NOTE: -funroll-loops will slow down compiling considerably -CFLAGS += -O3 -std=c99 -msoft-float -funsigned-char -fno-common \ - -fno-builtin -Wall \ +ifeq ($(POLLUX),1) +CFLAGS += -DPOLLUX_BUILD +endif +CFLAGS += -std=c99 -msoft-float -funsigned-char -Wall -ggdb +ifndef DEBUG +CFLAGS += -O2 +endif -INCLUDES = `$(PREFIX)/bin/sdl-config --cflags` -I$(PREFIX)/include -LIBS = `$(PREFIX)/bin/sdl-config --libs` \ +INCLUDES = `sdl-config --cflags` +LIBS = `sdl-config --libs` \ -lm -ldl -lpthread -lz -ifneq ($(WIZ),1) +ifeq ($(WIZ)$(CAANOO),) LIBS += -static endif @@ -63,7 +72,6 @@ cpu.o cpu_threaded.z: CFLAGS += -Wno-unused-variable -Wno-unused-label $(BIN): $(OBJS) $(CC) $(OBJS) $(LIBS) -o $(BIN) - $(STRIP) $(BIN) clean: rm -f *.o *.u *.z $(BIN) diff --git a/gp2x/gp2x.c b/gp2x/gp2x.c index d03a548..b80315c 100644 --- a/gp2x/gp2x.c +++ b/gp2x/gp2x.c @@ -19,7 +19,7 @@ */ -#define _GNU_SOURCE +#define _GNU_SOURCE 1 #include "../common.h" #include <sys/mman.h> #include <sys/ioctl.h> @@ -27,13 +27,15 @@ #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 WIZ_BUILD -static u32 gpsp_gp2x_gpiodev; +#ifdef POLLUX_BUILD +static u32 gpsp_gp2x_indev; +static u32 saved_405c, saved_4060, saved_4058; #endif static u32 gp2x_audio_volume = 74/2; @@ -55,10 +57,17 @@ u32 button_plat_mask_to_config[PLAT_BUTTON_COUNT] = 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] = @@ -78,10 +87,10 @@ u32 gamepad_config_map[PLAT_BUTTON_COUNT] = BUTTON_ID_VOLDOWN, // Vol down BUTTON_ID_VOLUP, // Vol up BUTTON_ID_FPS, // Push - BUTTON_ID_MENU // Vol middle + BUTTON_ID_MENU // Vol middle / Home }; -#ifdef WIZ_BUILD +#ifdef POLLUX_BUILD #include <linux/fb.h> void *gpsp_gp2x_screen; #define fb_buf_count 4 @@ -94,6 +103,7 @@ 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); @@ -131,14 +141,32 @@ static void fb_video_init() 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] = fb_paddr[fb_work_buf]; + 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; @@ -157,6 +185,8 @@ void fb_use_buffers(int count) void wiz_lcd_set_portrait(int y) { + char *dpc_settings; +#ifdef WIZ_BUILD static int old_y = -1; int cmd[2] = { 0, 0 }; @@ -169,14 +199,20 @@ void wiz_lcd_set_portrait(int y) old_y = y; /* the above ioctl resets LCD timings, so set them here */ - pollux_dpc_set(gpsp_gp2x_memregs, getenv("pollux_dpc_set")); +#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[0x4058>>2] |= 0x10; + 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); } @@ -242,21 +278,94 @@ u32 wiz_load_gamepak(char *name) return ret; } -#endif +#define KEYBITS_BIT(x) (keybits[(x)/sizeof(keybits[0])/8] & \ + (1 << ((x) & (sizeof(keybits[0])*8-1)))) -void gpsp_plat_init(void) +static int abs_min, abs_max, lzone_step; + +static int open_caanoo_pad(void) { - char buff[256]; + 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_gpiodev = open("/dev/GPIO", O_RDONLY); + 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); @@ -264,16 +373,13 @@ void gpsp_plat_init(void) void gpsp_plat_quit(void) { - char buff1[256], buff2[256]; - - getcwd(buff1, sizeof(buff1)); chdir(main_path); warm_finish(); -#ifdef WIZ_BUILD - close(gpsp_gp2x_gpiodev); - fb_video_exit(); +#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); @@ -302,7 +408,7 @@ u32 gpsp_plat_joystick_read(void) { #ifdef WIZ_BUILD u32 value = 0; - read(gpsp_gp2x_gpiodev, &value, 4); + read(gpsp_gp2x_indev, &value, 4); if(value & 0x02) value |= 0x05; if(value & 0x08) @@ -312,7 +418,47 @@ u32 gpsp_plat_joystick_read(void) 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) @@ -368,18 +514,24 @@ void set_FCLK(u32 MHZ) { u32 v; u32 mdiv, pdiv, sdiv = 0; -#ifdef WIZ_BUILD +#ifdef POLLUX_BUILD + int i; #define SYS_CLK_FREQ 27 // m = MDIV, p = PDIV, s = SDIV pdiv = 9; mdiv = (MHZ * pdiv) / SYS_CLK_FREQ; - mdiv &= 0x3ff; + if (mdiv & ~0x3ff) + return; 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) + 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 diff --git a/gp2x/gp2x.h b/gp2x/gp2x.h index 2e6b8eb..9a72eae 100644 --- a/gp2x/gp2x.h +++ b/gp2x/gp2x.h @@ -7,8 +7,8 @@ enum GP2X_LEFT = 1 << 2, GP2X_DOWN = 1 << 4, GP2X_RIGHT = 1 << 6, - GP2X_START = 1 << 8, - GP2X_SELECT = 1 << 9, + GP2X_START = 1 << 8, // Wiz: Menu, Caanoo: I + GP2X_SELECT = 1 << 9, // Caanoo: II GP2X_L = 1 << 10, GP2X_R = 1 << 11, GP2X_A = 1 << 12, @@ -19,6 +19,11 @@ enum GP2X_VOL_UP = 1 << 16, GP2X_VOL_DOWN = 1 << 17, GP2X_PUSH = 1 << 18, +#elif defined(POLLUX_BUILD) + GP2X_HOME = 1 << 16, + GP2X_PUSH = 1 << 17, + GP2X_VOL_UP = 1 << 30, // dummy + GP2X_VOL_DOWN = 1 << 29, #else GP2X_VOL_DOWN = 1 << 22, GP2X_VOL_UP = 1 << 23, |