X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=platform%2Fgp2x%2Fsoc_mmsp2.c;fp=platform%2Fgp2x%2Fgp2x.c;h=86e3ac871b65a29d43dc7a6bb1827b87b596ecdd;hb=421713439805e3d389c420a04afc48fc267eb28f;hp=f350352f66ba38966676d8fa867e1106f329f9a1;hpb=e54507e8567e1f52954ced5f85737195ee65c7b5;p=picodrive.git diff --git a/platform/gp2x/gp2x.c b/platform/gp2x/soc_mmsp2.c similarity index 56% rename from platform/gp2x/gp2x.c rename to platform/gp2x/soc_mmsp2.c index f350352..86e3ac8 100644 --- a/platform/gp2x/gp2x.c +++ b/platform/gp2x/soc_mmsp2.c @@ -1,385 +1,280 @@ -/** - * All this is mostly based on rlyeh's minimal library. - * Copied here to review all his code and understand what's going on. -**/ - -/* - - GP2X minimal library v0.A by rlyeh, (c) 2005. emulnation.info@rlyeh (swap it!) - - Thanks to Squidge, Robster, snaff, Reesy and NK, for the help & previous work! :-) - - License - ======= - - Free for non-commercial projects (it would be nice receiving a mail from you). - Other cases, ask me first. - - GamePark Holdings is not allowed to use this library and/or use parts from it. - -*/ - - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "gp2x.h" -#include "../linux/sndout_oss.h" -#include "../common/arm_utils.h" -#include "../common/arm_linux.h" -#include "../common/emu.h" - -volatile unsigned short *gp2x_memregs; -//static -volatile unsigned long *gp2x_memregl; -static void *gp2x_screens[4]; -static int screensel = 0; -//static -int memdev = 0; -static int touchdev = -1; -static int touchcal[7] = { 6203, 0, -1501397, 0, -4200, 16132680, 65536 }; - -#define FRAMEBUFF_WHOLESIZE (0x30000*4) // 320*240*2 + some more -#define FRAMEBUFF_ADDR0 (0x4000000-FRAMEBUFF_WHOLESIZE) -#define FRAMEBUFF_ADDR1 (FRAMEBUFF_ADDR0+0x30000) -#define FRAMEBUFF_ADDR2 (FRAMEBUFF_ADDR1+0x30000) -#define FRAMEBUFF_ADDR3 (FRAMEBUFF_ADDR2+0x30000) - -static const int gp2x_screenaddrs[4] = { FRAMEBUFF_ADDR0, FRAMEBUFF_ADDR1, FRAMEBUFF_ADDR2, FRAMEBUFF_ADDR3 }; -static int gp2x_screenaddrs_use[4]; -static unsigned short gp2x_screenaddr_old[4]; - - -/* video stuff */ -void gp2x_video_flip(void) -{ - unsigned short lsw = (unsigned short) gp2x_screenaddrs_use[screensel&3]; - unsigned short msw = (unsigned short)(gp2x_screenaddrs_use[screensel&3] >> 16); - - gp2x_memregs[0x2910>>1] = msw; - gp2x_memregs[0x2914>>1] = msw; - gp2x_memregs[0x290E>>1] = lsw; - gp2x_memregs[0x2912>>1] = lsw; - - // jump to other buffer: - g_screen_ptr = gp2x_screens[++screensel&3]; -} - -/* doulblebuffered flip */ -void gp2x_video_flip2(void) -{ - unsigned short msw = (unsigned short)(gp2x_screenaddrs_use[screensel&1] >> 16); - - gp2x_memregs[0x2910>>1] = msw; - gp2x_memregs[0x2914>>1] = msw; - gp2x_memregs[0x290E>>1] = 0; - gp2x_memregs[0x2912>>1] = 0; - - // jump to other buffer: - g_screen_ptr = gp2x_screens[++screensel&1]; -} - - -void gp2x_video_changemode2(int bpp) -{ - gp2x_memregs[0x28DA>>1]=(((bpp+1)/8)<<9)|0xAB; /*8/15/16/24bpp...*/ - gp2x_memregs[0x290C>>1]=320*((bpp+1)/8); /*line width in bytes*/ -} - - -void gp2x_video_changemode(int bpp) -{ - gp2x_video_changemode2(bpp); - - gp2x_memset_all_buffers(0, 0, 320*240*2); - gp2x_video_flip(); -} - - -void gp2x_video_setpalette(int *pal, int len) -{ - unsigned short *g=(unsigned short *)pal; - volatile unsigned short *memreg = &gp2x_memregs[0x295A>>1]; - gp2x_memregs[0x2958>>1] = 0; - - len *= 2; - while(len--) *memreg=*g++; -} - - -// TV Compatible function // -void gp2x_video_RGB_setscaling(int ln_offs, int W, int H) -{ - float escalaw, escalah; - int bpp = (gp2x_memregs[0x28DA>>1]>>9)&0x3; - unsigned short scalw; - - // set offset - gp2x_screenaddrs_use[0] = gp2x_screenaddrs[0] + ln_offs * 320 * bpp; - gp2x_screenaddrs_use[1] = gp2x_screenaddrs[1] + ln_offs * 320 * bpp; - gp2x_screenaddrs_use[2] = gp2x_screenaddrs[2] + ln_offs * 320 * bpp; - gp2x_screenaddrs_use[3] = gp2x_screenaddrs[3] + ln_offs * 320 * bpp; - - escalaw = 1024.0; // RGB Horiz LCD - escalah = 320.0; // RGB Vert LCD - - if(gp2x_memregs[0x2800>>1]&0x100) //TV-Out - { - escalaw=489.0; // RGB Horiz TV (PAL, NTSC) - if (gp2x_memregs[0x2818>>1] == 287) //PAL - escalah=274.0; // RGB Vert TV PAL - else if (gp2x_memregs[0x2818>>1] == 239) //NTSC - escalah=331.0; // RGB Vert TV NTSC - } - - // scale horizontal - scalw = (unsigned short)((float)escalaw *(W/320.0)); - /* if there is no horizontal scaling, vertical doesn't work. Here is a nasty wrokaround... */ - if (H != 240 && W == 320) scalw--; - gp2x_memregs[0x2906>>1]=scalw; - // scale vertical - gp2x_memregl[0x2908>>2]=(unsigned long)((float)escalah *bpp *(H/240.0)); -} - - -void gp2x_video_wait_vsync(void) -{ - unsigned short v = gp2x_memregs[0x1182>>1]; - while (!((v ^ gp2x_memregs[0x1182>>1]) & 0x10)) spend_cycles(1024); -} - - -void gp2x_video_flush_cache(void) -{ - // since we are using the mmu hack, we must flush the cache first - cache_flush_d_inval_i(g_screen_ptr, (char *)g_screen_ptr + 320*240*2); -} - - -void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len) -{ - char *dst; - if (buffers & (1<<0)) { dst = (char *)gp2x_screens[0] + offset; if (dst != data) memcpy(dst, data, len); } - if (buffers & (1<<1)) { dst = (char *)gp2x_screens[1] + offset; if (dst != data) memcpy(dst, data, len); } - if (buffers & (1<<2)) { dst = (char *)gp2x_screens[2] + offset; if (dst != data) memcpy(dst, data, len); } - if (buffers & (1<<3)) { dst = (char *)gp2x_screens[3] + offset; if (dst != data) memcpy(dst, data, len); } -} - - -void gp2x_memcpy_all_buffers(void *data, int offset, int len) -{ - gp2x_memcpy_buffers(0xf, data, offset, len); -} - - -void gp2x_memset_all_buffers(int offset, int byte, int len) -{ - memset((char *)gp2x_screens[0] + offset, byte, len); - memset((char *)gp2x_screens[1] + offset, byte, len); - memset((char *)gp2x_screens[2] + offset, byte, len); - memset((char *)gp2x_screens[3] + offset, byte, len); -} - - -void gp2x_pd_clone_buffer2(void) -{ - memcpy(g_screen_ptr, gp2x_screens[2], 320*240*2); -} - - -typedef struct ucb1x00_ts_event -{ - unsigned short pressure; - unsigned short x; - unsigned short y; - unsigned short pad; - struct timeval stamp; -} UCB1X00_TS_EVENT; - -int gp2x_touchpad_read(int *x, int *y) -{ - UCB1X00_TS_EVENT event; - static int zero_seen = 0; - int retval; - - if (touchdev < 0) return -1; - - retval = read(touchdev, &event, sizeof(event)); - if (retval <= 0) { - printf("touch read failed %i %i\n", retval, errno); - return -1; - } - // this is to ignore the messed-up 4.1.x driver - if (event.pressure == 0) zero_seen = 1; - - if (x) *x = (event.x * touchcal[0] + touchcal[2]) >> 16; - if (y) *y = (event.y * touchcal[4] + touchcal[5]) >> 16; - // printf("read %i %i %i\n", event.pressure, *x, *y); - - return zero_seen ? event.pressure : 0; -} - - -/* 940 */ -void Pause940(int yes) -{ - if(yes) - gp2x_memregs[0x0904>>1] &= 0xFFFE; - else - gp2x_memregs[0x0904>>1] |= 1; -} - - -void Reset940(int yes, int bank) -{ - gp2x_memregs[0x3B48>>1] = ((yes&1) << 7) | (bank & 0x03); -} - -static void proc_set(const char *path, const char *val) -{ - FILE *f; - char tmp[16]; - - f = fopen(path, "w"); - if (f == NULL) { - printf("failed to open: %s\n", path); - return; - } - - fprintf(f, "0\n"); - fclose(f); - - printf("\"%s\" is set to: ", path); - f = fopen(path, "r"); - if (f == NULL) { - printf("(open failed)\n"); - return; - } - - fgets(tmp, sizeof(tmp), f); - printf("%s", tmp); - fclose(f); -} - - -/* common */ -void gp2x_init(void) -{ - printf("entering init()\n"); fflush(stdout); - - memdev = open("/dev/mem", O_RDWR); - if (memdev == -1) - { - perror("open(\"/dev/mem\")"); - exit(1); - } - - gp2x_memregs = mmap(0, 0x10000, PROT_READ|PROT_WRITE, MAP_SHARED, memdev, 0xc0000000); - printf("memregs are @ %p\n", gp2x_memregs); - if(gp2x_memregs == MAP_FAILED) - { - perror("mmap(memregs)"); - exit(1); - } - gp2x_memregl = (unsigned long *) gp2x_memregs; - - gp2x_memregs[0x2880>>1] &= ~0x383; // disable cursor, subpict, osd, video layers - - gp2x_screens[0] = mmap(0, FRAMEBUFF_WHOLESIZE, PROT_WRITE, MAP_SHARED, memdev, FRAMEBUFF_ADDR0); - if(gp2x_screens[0] == MAP_FAILED) - { - perror("mmap(g_screen_ptr)"); - exit(1); - } - printf("framebuffers point to %p\n", gp2x_screens[0]); - gp2x_screens[1] = (char *) gp2x_screens[0]+0x30000; - gp2x_screens[2] = (char *) gp2x_screens[1]+0x30000; - gp2x_screens[3] = (char *) gp2x_screens[2]+0x30000; - - g_screen_ptr = gp2x_screens[0]; - screensel = 0; - - gp2x_screenaddr_old[0] = gp2x_memregs[0x290E>>1]; - gp2x_screenaddr_old[1] = gp2x_memregs[0x2910>>1]; - gp2x_screenaddr_old[2] = gp2x_memregs[0x2912>>1]; - gp2x_screenaddr_old[3] = gp2x_memregs[0x2914>>1]; - - memcpy(gp2x_screenaddrs_use, gp2x_screenaddrs, sizeof(gp2x_screenaddrs)); - gp2x_memset_all_buffers(0, 0, 320*240*2); - - // snd - sndout_oss_init(); - - // touchscreen - touchdev = open("/dev/touchscreen/wm97xx", O_RDONLY); - if (touchdev >= 0) { - FILE *pcf = fopen("/etc/pointercal", "r"); - if (pcf) { - fscanf(pcf, "%d %d %d %d %d %d %d", &touchcal[0], &touchcal[1], - &touchcal[2], &touchcal[3], &touchcal[4], &touchcal[5], &touchcal[6]); - fclose(pcf); - } - printf("found touchscreen/wm97xx\n"); - } - - /* disable Linux read-ahead */ - proc_set("/proc/sys/vm/max-readahead", "0\n"); - proc_set("/proc/sys/vm/min-readahead", "0\n"); - - printf("exitting init()\n"); fflush(stdout); -} - -char *ext_menu = 0, *ext_state = 0; - -void gp2x_deinit(void) -{ - Reset940(1, 3); - Pause940(1); - - gp2x_video_changemode(15); - gp2x_memregs[0x290E>>1] = gp2x_screenaddr_old[0]; - gp2x_memregs[0x2910>>1] = gp2x_screenaddr_old[1]; - gp2x_memregs[0x2912>>1] = gp2x_screenaddr_old[2]; - gp2x_memregs[0x2914>>1] = gp2x_screenaddr_old[3]; - - munmap(gp2x_screens[0], FRAMEBUFF_WHOLESIZE); - munmap((void *)gp2x_memregs, 0x10000); - close(memdev); - if (touchdev >= 0) close(touchdev); - - sndout_oss_exit(); - - printf("all done, running "); - - // Zaq121's alternative frontend support from MAME - if (ext_menu && ext_state) { - printf("%s -state %s\n", ext_menu, ext_state); - execl(ext_menu, ext_menu, "-state", ext_state, NULL); - } else if(ext_menu) { - printf("%s\n", ext_menu); - execl(ext_menu, ext_menu, NULL); - } else { - printf("gp2xmenu\n"); - chdir("/usr/gp2x"); - execl("gp2xmenu", "gp2xmenu", NULL); - } -} - -/* lprintf */ -void lprintf(const char *fmt, ...) -{ - va_list vl; - - va_start(vl, fmt); - vprintf(fmt, vl); - va_end(vl); -} - +#include +#include +#include +#include +#include +#include +#include +#include + +#include "soc.h" +#include "soc_mmsp2.h" +#include "gp2x.h" +#include "../common/emu.h" +#include "../common/arm_utils.h" + +volatile unsigned short *gp2x_memregs; +volatile unsigned long *gp2x_memregl; +extern void *gp2x_screens[4]; +static int screensel = 0; + +int memdev = 0; /* used by code940 */ +static int touchdev = -1; +static int touchcal[7] = { 6203, 0, -1501397, 0, -4200, 16132680, 65536 }; + +#define FRAMEBUFF_SIZE 0x30000 +#define FRAMEBUFF_WHOLESIZE (FRAMEBUFF_SIZE*4) // 320*240*2 + some more +#define FRAMEBUFF_ADDR0 (0x4000000 - FRAMEBUFF_WHOLESIZE) +#define FRAMEBUFF_ADDR1 (FRAMEBUFF_ADDR0 + FRAMEBUFF_SIZE) +#define FRAMEBUFF_ADDR2 (FRAMEBUFF_ADDR1 + FRAMEBUFF_SIZE) +#define FRAMEBUFF_ADDR3 (FRAMEBUFF_ADDR2 + FRAMEBUFF_SIZE) + +static const int gp2x_screenaddrs[4] = { FRAMEBUFF_ADDR0, FRAMEBUFF_ADDR1, FRAMEBUFF_ADDR2, FRAMEBUFF_ADDR3 }; +static int gp2x_screenaddrs_use[4]; +static unsigned short gp2x_screenaddr_old[4]; + + +/* video stuff */ +void gp2x_video_flip(void) +{ + unsigned short lsw = (unsigned short) gp2x_screenaddrs_use[screensel&3]; + unsigned short msw = (unsigned short)(gp2x_screenaddrs_use[screensel&3] >> 16); + + gp2x_memregs[0x2910>>1] = msw; + gp2x_memregs[0x2914>>1] = msw; + gp2x_memregs[0x290E>>1] = lsw; + gp2x_memregs[0x2912>>1] = lsw; + + // jump to other buffer: + g_screen_ptr = gp2x_screens[++screensel&3]; +} + +/* doulblebuffered flip */ +void gp2x_video_flip2(void) +{ + unsigned short msw = (unsigned short)(gp2x_screenaddrs_use[screensel&1] >> 16); + + gp2x_memregs[0x2910>>1] = msw; + gp2x_memregs[0x2914>>1] = msw; + gp2x_memregs[0x290E>>1] = 0; + gp2x_memregs[0x2912>>1] = 0; + + // jump to other buffer: + g_screen_ptr = gp2x_screens[++screensel&1]; +} + +void gp2x_video_changemode_ll(int bpp) +{ + gp2x_memregs[0x28DA>>1] = (((bpp+1)/8)<<9)|0xAB; /*8/15/16/24bpp...*/ + gp2x_memregs[0x290C>>1] = 320*((bpp+1)/8); /*line width in bytes*/ +} + +void gp2x_video_setpalette(int *pal, int len) +{ + unsigned short *g = (unsigned short *)pal; + volatile unsigned short *memreg = &gp2x_memregs[0x295A>>1]; + + gp2x_memregs[0x2958>>1] = 0; + + len *= 2; + while (len--) + *memreg = *g++; +} + +// TV Compatible function // +void gp2x_video_RGB_setscaling(int ln_offs, int W, int H) +{ + float escalaw, escalah; + int bpp = (gp2x_memregs[0x28DA>>1]>>9)&0x3; + unsigned short scalw; + + // set offset + gp2x_screenaddrs_use[0] = gp2x_screenaddrs[0] + ln_offs * 320 * bpp; + gp2x_screenaddrs_use[1] = gp2x_screenaddrs[1] + ln_offs * 320 * bpp; + gp2x_screenaddrs_use[2] = gp2x_screenaddrs[2] + ln_offs * 320 * bpp; + gp2x_screenaddrs_use[3] = gp2x_screenaddrs[3] + ln_offs * 320 * bpp; + + escalaw = 1024.0; // RGB Horiz LCD + escalah = 320.0; // RGB Vert LCD + + if(gp2x_memregs[0x2800>>1]&0x100) //TV-Out + { + escalaw=489.0; // RGB Horiz TV (PAL, NTSC) + if (gp2x_memregs[0x2818>>1] == 287) //PAL + escalah=274.0; // RGB Vert TV PAL + else if (gp2x_memregs[0x2818>>1] == 239) //NTSC + escalah=331.0; // RGB Vert TV NTSC + } + + // scale horizontal + scalw = (unsigned short)((float)escalaw *(W/320.0)); + /* if there is no horizontal scaling, vertical doesn't work. Here is a nasty wrokaround... */ + if (H != 240 && W == 320) scalw--; + gp2x_memregs[0x2906>>1]=scalw; + // scale vertical + gp2x_memregl[0x2908>>2]=(unsigned long)((float)escalah *bpp *(H/240.0)); +} + +void gp2x_video_wait_vsync(void) +{ + unsigned short v = gp2x_memregs[0x1182>>1]; + while (!((v ^ gp2x_memregs[0x1182>>1]) & 0x10)) + spend_cycles(1024); +} + +/* 940 */ +void pause940(int yes) +{ + if (yes) + gp2x_memregs[0x0904>>1] &= 0xFFFE; + else + gp2x_memregs[0x0904>>1] |= 1; +} + +void reset940(int yes, int bank) +{ + gp2x_memregs[0x3B48>>1] = ((yes&1) << 7) | (bank & 0x03); +} + + +/* these are not quite MMSP2 related, + * more to GP2X F100/F200 consoles themselves. */ +typedef struct ucb1x00_ts_event +{ + unsigned short pressure; + unsigned short x; + unsigned short y; + unsigned short pad; + struct timeval stamp; +} UCB1X00_TS_EVENT; + +int gp2x_touchpad_read(int *x, int *y) +{ + UCB1X00_TS_EVENT event; + static int zero_seen = 0; + int retval; + + if (touchdev < 0) return -1; + + retval = read(touchdev, &event, sizeof(event)); + if (retval <= 0) { + perror("touch read failed"); + return -1; + } + // this is to ignore the messed-up 4.1.x driver + if (event.pressure == 0) zero_seen = 1; + + if (x) *x = (event.x * touchcal[0] + touchcal[2]) >> 16; + if (y) *y = (event.y * touchcal[4] + touchcal[5]) >> 16; + // printf("read %i %i %i\n", event.pressure, *x, *y); + + return zero_seen ? event.pressure : 0; +} + +static void proc_set(const char *path, const char *val) +{ + FILE *f; + char tmp[16]; + + f = fopen(path, "w"); + if (f == NULL) { + printf("failed to open: %s\n", path); + return; + } + + fprintf(f, "0\n"); + fclose(f); + + printf("\"%s\" is set to: ", path); + f = fopen(path, "r"); + if (f == NULL) { + printf("(open failed)\n"); + return; + } + + fgets(tmp, sizeof(tmp), f); + printf("%s", tmp); + fclose(f); +} + + +void mmsp2_init(void) +{ + int i; + + memdev = open("/dev/mem", O_RDWR); + if (memdev == -1) + { + perror("open(\"/dev/mem\")"); + exit(1); + } + + gp2x_memregs = mmap(0, 0x10000, PROT_READ|PROT_WRITE, MAP_SHARED, memdev, 0xc0000000); + if (gp2x_memregs == MAP_FAILED) + { + perror("mmap(memregs)"); + exit(1); + } + gp2x_memregl = (unsigned long *) gp2x_memregs; + + gp2x_memregs[0x2880>>1] &= ~0x383; // disable cursor, subpict, osd, video layers + + gp2x_screens[0] = mmap(0, FRAMEBUFF_WHOLESIZE, PROT_WRITE, MAP_SHARED, + memdev, gp2x_screenaddrs[0]); + if (gp2x_screens[0] == MAP_FAILED) + { + perror("mmap(g_screen_ptr)"); + exit(1); + } + printf("framebuffers:\n"); + printf(" %08x -> %p\n", gp2x_screenaddrs[0], gp2x_screens[0]); + for (i = 1; i < 4; i++) + { + gp2x_screens[i] = (char *) gp2x_screens[i - 1] + FRAMEBUFF_SIZE; + printf(" %08x -> %p\n", gp2x_screenaddrs[i], gp2x_screens[i]); + } + + g_screen_ptr = gp2x_screens[0]; + screensel = 0; + + gp2x_screenaddr_old[0] = gp2x_memregs[0x290E>>1]; + gp2x_screenaddr_old[1] = gp2x_memregs[0x2910>>1]; + gp2x_screenaddr_old[2] = gp2x_memregs[0x2912>>1]; + gp2x_screenaddr_old[3] = gp2x_memregs[0x2914>>1]; + + memcpy(gp2x_screenaddrs_use, gp2x_screenaddrs, sizeof(gp2x_screenaddrs)); + + // touchscreen + touchdev = open("/dev/touchscreen/wm97xx", O_RDONLY); + if (touchdev >= 0) { + FILE *pcf = fopen("/etc/pointercal", "r"); + if (pcf) { + fscanf(pcf, "%d %d %d %d %d %d %d", &touchcal[0], &touchcal[1], + &touchcal[2], &touchcal[3], &touchcal[4], &touchcal[5], &touchcal[6]); + fclose(pcf); + } + printf("found touchscreen/wm97xx\n"); + } + + /* disable Linux read-ahead */ + proc_set("/proc/sys/vm/max-readahead", "0\n"); + proc_set("/proc/sys/vm/min-readahead", "0\n"); +} + +void mmsp2_finish(void) +{ + reset940(1, 3); + pause940(1); + + gp2x_memregs[0x290E>>1] = gp2x_screenaddr_old[0]; + gp2x_memregs[0x2910>>1] = gp2x_screenaddr_old[1]; + gp2x_memregs[0x2912>>1] = gp2x_screenaddr_old[2]; + gp2x_memregs[0x2914>>1] = gp2x_screenaddr_old[3]; + + munmap(gp2x_screens[0], FRAMEBUFF_WHOLESIZE); + munmap((void *)gp2x_memregs, 0x10000); + close(memdev); + if (touchdev >= 0) + close(touchdev); +} +