From d2100979fd519b40c61dbdc6808120755513c88a Mon Sep 17 00:00:00 2001 From: aliaspider Date: Wed, 4 Nov 2015 18:17:04 +0100 Subject: cleanups --- src/gp2x_sdk.c | 767 --------------------------------------------------------- 1 file changed, 767 deletions(-) delete mode 100644 src/gp2x_sdk.c (limited to 'src/gp2x_sdk.c') diff --git a/src/gp2x_sdk.c b/src/gp2x_sdk.c deleted file mode 100644 index 9385fed..0000000 --- a/src/gp2x_sdk.c +++ /dev/null @@ -1,767 +0,0 @@ - -#define DEBUG - -#include -#include -#include -#include -#include -#include -#include -#include -#include "menu.h" -#include "gp2x_sdk.h" -#include "squidgehack.h" -#include - -#define SYS_CLK_FREQ 7372800 - -volatile unsigned short gp2x_palette[512][2]; - -static int fb_size=(320*240*2)+(16*2); -static int mmuHackStatus=0; - -//unsigned long gp2x_ticks_per_second=7372800/1000; -unsigned long gp2x_dev[5]={0,0,0,0,0}; -unsigned long gp2x_physvram[4]={0,0,0,0}; - -unsigned short *framebuffer16[4]={0,0,0,0}; -static unsigned short *framebuffer_mmap[4]={0,0,0,0}; -unsigned short *gp2x_logvram15[2], gp2x_sound_buffer[4+((44100*2)*8)]; //*2=stereo, *4=max buffers -volatile unsigned short *gp2x_memregs; -volatile unsigned long *gp2x_memregl; -volatile unsigned long *gp2x_blitter = NULL; -unsigned int *gp2x_intVectors; -unsigned char *framebuffer8[4], *gp2x_screen8prev, *gp2x_logvram8[2]; - -volatile short *pOutput[8]; -int InitFramebuffer=0; -int Timer=0; -volatile int SoundThreadFlag=0; -volatile int CurrentSoundBank=0; -int CurrentFrameBuffer=0; -int CurrentFrag=0; -unsigned int ExistingIntHandler; - -// 1024x8 8x8 font, i love it :) -const unsigned int font8x8[]= {0x0,0x0,0xc3663c18,0x3c2424e7,0xe724243c,0x183c66c3,0xc16f3818,0x18386fc1,0x83f61c18,0x181cf683,0xe7c3993c,0x3c99c3,0x3f7fffff,0xe7cf9f,0x3c99c3e7,0xe7c399,0x3160c080,0x40e1b,0xcbcbc37e,0x7ec3c3db,0x3c3c3c18,0x81c087e,0x8683818,0x60f0e08,0x81422418,0x18244281,0xbd5a2418,0x18245abd,0x818181ff,0xff8181,0xa1c181ff,0xff8995,0x63633e,0x3e6363,0x606060,0x606060,0x3e60603e,0x3e0303,0x3e60603e,0x3e6060,0x3e636363,0x606060,0x3e03033e,0x3e6060,0x3e03033e,0x3e6363,0x60603e,0x606060,0x3e63633e,0x3e6363,0x3e63633e,0x3e6060,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x18181818,0x180018,0x666666,0x0,0x367f3600,0x367f36,0x3c067c18,0x183e60,0x18366600,0x62660c,0xe1c361c,0x6e337b,0x181818,0x0,0x18183870,0x703818,0x18181c0e,0xe1c18,0xff3c6600,0x663c,0x7e181800,0x1818,0x0,0x60c0c00,0x7e000000,0x0,0x0,0x181800,0x18306040,0x2060c,0x6e76663c,0x3c6666,0x18181c18,0x7e1818,0x3060663c,0x7e0c18,0x3018307e,0x3c6660,0x363c3830,0x30307e,0x603e067e,0x3c6660,0x3e06063c,0x3c6666,0x1830607e,0xc0c0c,0x3c66663c,0x3c6666,0x7c66663c,0x1c3060,0x181800,0x1818,0x181800,0xc1818,0xc183060,0x603018,0x7e0000,0x7e00,0x30180c06,0x60c18,0x3060663c,0x180018,0x5676663c,0x7c0676,0x66663c18,0x66667e,0x3e66663e,0x3e6666,0x606663c,0x3c6606,0x6666361e,0x1e3666,0x3e06067e,0x7e0606,0x3e06067e,0x60606,0x7606067c,0x7c6666,0x7e666666,0x666666,0x1818183c,0x3c1818,0x60606060,0x3c6660,0xe1e3666,0x66361e,0x6060606,0x7e0606,0x6b7f7763,0x636363,0x7e7e6e66,0x666676,0x6666663c,0x3c6666,0x3e66663e,0x60606,0x6666663c,0x6c366e,0x3e66663e,0x666636,0x3c06663c,0x3c6660,0x1818187e,0x181818,0x66666666,0x7c6666,0x66666666,0x183c66,0x6b636363,0x63777f,0x183c6666,0x66663c,0x3c666666,0x181818,0x1830607e,0x7e060c,0x18181878,0x781818,0x180c0602,0x406030,0x1818181e,0x1e1818,0x63361c08,0x0,0x0,0x7f0000,0xc060300,0x0,0x603c0000,0x7c667c,0x663e0606,0x3e6666,0x63c0000,0x3c0606,0x667c6060,0x7c6666,0x663c0000,0x3c067e,0xc3e0c38,0xc0c0c,0x667c0000,0x3e607c66,0x663e0606,0x666666,0x181c0018,0x3c1818,0x18180018,0xe181818,0x36660606,0x66361e,0x1818181c,0x3c1818,0x7f370000,0x63636b,0x663e0000,0x666666,0x663c0000,0x3c6666,0x663e0000,0x63e6666,0x667c0000,0x607c6666,0x663e0000,0x60606,0x67c0000,0x3e603c,0x187e1800,0x701818,0x66660000,0x7c6666,0x66660000,0x183c66,0x63630000,0x363e6b,0x3c660000,0x663c18,0x66660000,0x3e607c66,0x307e0000,0x7e0c18,0xc181870,0x701818,0x18181818,0x18181818,0x3018180e,0xe1818,0x794f0600,0x30}; - -pthread_t gp2x_sound_thread=0, gp2x_sound_thread_exit=0; -struct fb_fix_screeninfo fb0_fixed_info; -struct fb_fix_screeninfo fb1_fixed_info; - -int altVolumeCtrl = 0; - -/* -######################## -Graphics functions -######################## - */ - -static void debug(char *text, int pause) -{ - unsigned short bppmode; - bppmode=gp2x_memregs[0x28DA>>1]; - bppmode>>=9; - bppmode<<=3; - - if(bppmode==8) - { - gp_clearFramebuffer8(framebuffer8[currFB],0); - gp_drawString(0,0,strlen(text),text,0x51,framebuffer16[currFB]); - } - else - { - gp_clearFramebuffer8(framebuffer16[currFB],0); - gp_drawString(0,0,strlen(text),text,(unsigned short)MENU_RGB(31,31,31),framebuffer16[currFB]); - } - MenuFlip(); - if(pause) MenuPause(); - -} - -static int clipping_x1 = 0; -static int clipping_x2 = 319; -static int clipping_y1 = 0; -static int clipping_y2 = 239; - -void gp_setClipping(int x1, int y1, int x2, int y2) { - if (x1 < 0) x1 = 0; - if (x1 > 319) x1 = 319; - if (x2 < 0) x2 = 0; - if (x2 > 319) x2 = 319; - if (y1 < 0) y1 = 0; - if (y1 > 239) y1 = 239; - if (y2 < 0) y2 = 0; - if (y2 > 239) y2 = 239; - - if (x1 < x2) { - clipping_x1 = x1; - clipping_x2 = x2; - } else { - clipping_x2 = x1; - clipping_x1 = x2; - } - - if (y1 < y2) { - clipping_y1 = y1; - clipping_y2 = y2; - } else { - clipping_y2 = y1; - clipping_y1 = y2; - } -} - -static __inline__ -void gp_drawPixel8 ( int x, int y, unsigned char c, unsigned char *framebuffer ) -{ - if ((x < clipping_x1) || (x > clipping_x2) || (y < clipping_y1) || (y > clipping_y2)) return; - *(framebuffer +(320*y)+x ) = c; -} - -static __inline__ -void gp_drawPixel16 ( int x, int y, unsigned short c, unsigned short *framebuffer ) -{ - if ((x < clipping_x1) || (x > clipping_x2) || (y < clipping_y1) || (y > clipping_y2)) return; - *(framebuffer +(320*y)+x ) = c; -} - -static -void set_char8x8_16bpp (int xx,int yy,int offset,unsigned short mode,unsigned short *framebuffer) -{ - unsigned int y, pixel; - offset *= 2; - pixel = font8x8[0 + offset]; - for (y = 0; y < 4; y++) - { - if (pixel&(1<<(0+(y<<3)))) gp_drawPixel16(xx+0, yy+y, mode, framebuffer); - if (pixel&(1<<(1+(y<<3)))) gp_drawPixel16(xx+1, yy+y, mode, framebuffer); - if (pixel&(1<<(2+(y<<3)))) gp_drawPixel16(xx+2, yy+y, mode, framebuffer); - if (pixel&(1<<(3+(y<<3)))) gp_drawPixel16(xx+3, yy+y, mode, framebuffer); - if (pixel&(1<<(4+(y<<3)))) gp_drawPixel16(xx+4, yy+y, mode, framebuffer); - if (pixel&(1<<(5+(y<<3)))) gp_drawPixel16(xx+5, yy+y, mode, framebuffer); - if (pixel&(1<<(6+(y<<3)))) gp_drawPixel16(xx+6, yy+y, mode, framebuffer); - if (pixel&(1<<(7+(y<<3)))) gp_drawPixel16(xx+7, yy+y, mode, framebuffer); - } - pixel = font8x8[1 + offset]; - for (y = 0; y < 4; y++) - { - if (pixel&(1<<(0+(y<<3)))) gp_drawPixel16(xx+0, yy+y+4, mode, framebuffer); - if (pixel&(1<<(1+(y<<3)))) gp_drawPixel16(xx+1, yy+y+4, mode, framebuffer); - if (pixel&(1<<(2+(y<<3)))) gp_drawPixel16(xx+2, yy+y+4, mode, framebuffer); - if (pixel&(1<<(3+(y<<3)))) gp_drawPixel16(xx+3, yy+y+4, mode, framebuffer); - if (pixel&(1<<(4+(y<<3)))) gp_drawPixel16(xx+4, yy+y+4, mode, framebuffer); - if (pixel&(1<<(5+(y<<3)))) gp_drawPixel16(xx+5, yy+y+4, mode, framebuffer); - if (pixel&(1<<(6+(y<<3)))) gp_drawPixel16(xx+6, yy+y+4, mode, framebuffer); - if (pixel&(1<<(7+(y<<3)))) gp_drawPixel16(xx+7, yy+y+4, mode, framebuffer); - - } -} - -static -void set_char8x8_8bpp (int xx,int yy,int offset,unsigned char mode,unsigned char *framebuffer) -{ - unsigned int y, pixel; - offset *= 2; - pixel = font8x8[0 + offset]; - for (y = 0; y < 4; y++) - { - if (pixel&(1<<(0+(y<<3)))) gp_drawPixel8(xx+0, yy+y, mode, framebuffer); - if (pixel&(1<<(1+(y<<3)))) gp_drawPixel8(xx+1, yy+y, mode, framebuffer); - if (pixel&(1<<(2+(y<<3)))) gp_drawPixel8(xx+2, yy+y, mode, framebuffer); - if (pixel&(1<<(3+(y<<3)))) gp_drawPixel8(xx+3, yy+y, mode, framebuffer); - if (pixel&(1<<(4+(y<<3)))) gp_drawPixel8(xx+4, yy+y, mode, framebuffer); - if (pixel&(1<<(5+(y<<3)))) gp_drawPixel8(xx+5, yy+y, mode, framebuffer); - if (pixel&(1<<(6+(y<<3)))) gp_drawPixel8(xx+6, yy+y, mode, framebuffer); - if (pixel&(1<<(7+(y<<3)))) gp_drawPixel8(xx+7, yy+y, mode, framebuffer); - } - pixel = font8x8[1 + offset]; - for (y = 0; y < 4; y++) - { - if (pixel&(1<<(0+(y<<3)))) gp_drawPixel8(xx+0, yy+y+4, mode, framebuffer); - if (pixel&(1<<(1+(y<<3)))) gp_drawPixel8(xx+1, yy+y+4, mode, framebuffer); - if (pixel&(1<<(2+(y<<3)))) gp_drawPixel8(xx+2, yy+y+4, mode, framebuffer); - if (pixel&(1<<(3+(y<<3)))) gp_drawPixel8(xx+3, yy+y+4, mode, framebuffer); - if (pixel&(1<<(4+(y<<3)))) gp_drawPixel8(xx+4, yy+y+4, mode, framebuffer); - if (pixel&(1<<(5+(y<<3)))) gp_drawPixel8(xx+5, yy+y+4, mode, framebuffer); - if (pixel&(1<<(6+(y<<3)))) gp_drawPixel8(xx+6, yy+y+4, mode, framebuffer); - if (pixel&(1<<(7+(y<<3)))) gp_drawPixel8(xx+7, yy+y+4, mode, framebuffer); - - } -} - -void gp_drawString (int x,int y,int len,char *buffer,unsigned short color,void *framebuffer) -{ - int l,base=0; - unsigned short bppmode; - bppmode=gp2x_memregs[0x28DA>>1]; - bppmode>>=9; - bppmode<<=3; - - for (l=0;l>1]; - bppmode>>=9; - bppmode<<=3; - if(bppmode==8) gp_clearFramebuffer8((unsigned char*)framebuffer,(unsigned char)pal); - else gp_clearFramebuffer16((unsigned short*)framebuffer,(unsigned short)pal); -} - - - - -unsigned int gp_getButton(unsigned char enable_diagnals) -{ - unsigned int value=(gp2x_memregs[0x1198>>1] & 0x00FF); - //gp2x_memregs[0x1198>>1] - /* - 0x1FE = UP 1 1111 1110 - 0x17E 1 0111 1110 - 0x17F 1 0111 1111 - 0X13F 1 0011 1111 - 0x1BF = RIGHT 1 1011 1111 - 0X19F 1 1001 1111 - 0X1DF 1 1101 1111 - 0X1CF 1 1100 1111 - 0x1EF = DOWN 1 1110 1111 - 0x1E7 1 1110 0111 - 0x1F7 1 1111 0111 - 0x1F3 1 1111 0011 - 0x1FB = LEFT 1 1111 1011 - 0x1F9 1 1111 1001 - 0x1FD 1 1111 1101 - 0x1FC 1 1111 1100 - - */ - switch(value) - { - //UP - case 0x7E: - case 0xFC: - value = 0xFE; - break; - - //RIGHT - case 0x3F: - case 0x9F: - value = 0xBF; - break; - - //DOWN - case 0xCF: - case 0xE7: - value = 0xEF; - break; - - //LEFT - case 0xF3: - case 0xF9: - value = 0xFB; - break; - } - - if (enable_diagnals) - { - - if(value==0xFD) value=0xFA; - if(value==0xF7) value=0xEB; - if(value==0xDF) value=0xAF; - if(value==0x7F) value=0xBE; - } - - - return ~((gp2x_memregs[0x1184>>1] & 0xFF00) | value | (gp2x_memregs[0x1186>>1] << 16)); -} - -void gp_initGraphics(unsigned short bpp, int flip, int applyMmuHack) -{ - - int x = 0; - unsigned int key = 0; - unsigned int offset = 0; - char buf[256]; - - -#ifdef DEBUG - printf("Entering gp_initGraphics....\r\n"); -#endif - /* - First check that frame buffer memory has not already been setup - */ - if (!InitFramebuffer) - { -#ifdef DEBUG - sprintf(buf, "Initing buffer\r\n"); - printf(buf); -#endif - gp2x_dev[0] = open("/dev/fb0", O_RDWR); - gp2x_dev[1] = open("/dev/fb1", O_RDWR); - gp2x_dev[2] = open("/dev/mem", O_RDWR); - -#ifdef DEBUG - sprintf(buf, "Devices opened\r\n"); - printf(buf); - sprintf(buf, "/dev/fb0: %x \r\n", gp2x_dev[0]); - printf(buf); - sprintf(buf, "/dev/fb1: %x \r\n", gp2x_dev[1]); - printf(buf); - sprintf(buf, "/dev/mem: %x \r\n", gp2x_dev[2]); - printf(buf); -#endif - - gp2x_memregs=(unsigned short *)mmap(0, 0x10000, PROT_READ|PROT_WRITE, MAP_SHARED, gp2x_dev[2], 0xc0000000); - gp2x_memregl=(unsigned long *)gp2x_memregs; - if (!gp2x_blitter) gp2x_blitter=(unsigned long *)mmap(0, 0x100, PROT_READ|PROT_WRITE, MAP_SHARED, gp2x_dev[2], 0xe0020000); - - if (!framebuffer_mmap[0]) framebuffer_mmap[0]=(void *)mmap(0, fb_size, PROT_READ|PROT_WRITE, MAP_SHARED, gp2x_dev[2], (gp2x_physvram[0]=0x04000000-(0x26000*4) )); - if (!framebuffer_mmap[1]) framebuffer_mmap[1]=(void *)mmap(0, fb_size, PROT_READ|PROT_WRITE, MAP_SHARED, gp2x_dev[2], (gp2x_physvram[1]=0x04000000-(0x26000*3) )); - if (!framebuffer_mmap[2]) framebuffer_mmap[2]=(void *)mmap(0, fb_size, PROT_READ|PROT_WRITE, MAP_SHARED, gp2x_dev[2], (gp2x_physvram[2]=0x04000000-(0x26000*2) )); - if (!framebuffer_mmap[3]) framebuffer_mmap[3]=(void *)mmap(0, fb_size, PROT_READ|PROT_WRITE, MAP_SHARED, gp2x_dev[2], (gp2x_physvram[3]=0x04000000-(0x26000*1) )); - - if (applyMmuHack) - { - printf("Applying MMUHACK..."); fflush(stdout); - mmuHackStatus = mmuhack(); - sprintf(buf, "Done\r\n. MMUHACK returned: %x\r\n", mmuHackStatus); - printf(buf); fflush(stdout); - } - - // offset externally visible buffers by 8 - // this allows DrMD to not worry about clipping - framebuffer16[0]=framebuffer_mmap[0]+8; - framebuffer16[1]=framebuffer_mmap[1]+8; - framebuffer16[2]=framebuffer_mmap[2]+8; - framebuffer16[3]=framebuffer_mmap[3]+8; - //ofset physical buffer as well - gp2x_physvram[0]+=16; - gp2x_physvram[1]+=16; - gp2x_physvram[2]+=16; - gp2x_physvram[3]+=16; - // clear all the framebuffers to black - // otherwise you get crap displayed on the screen the first time - // you start - framebuffer8[0]=(unsigned char*)framebuffer16[0]; - framebuffer8[1]=(unsigned char*)framebuffer16[1]; - framebuffer8[2]=(unsigned char*)framebuffer16[2]; - framebuffer8[3]=(unsigned char*)framebuffer16[3]; - - // Clear the frame buffers - memset(framebuffer16[0],0,320*240*2); - memset(framebuffer16[1],0,320*240*2); - memset(framebuffer16[2],0,320*240*2); - memset(framebuffer16[3],0,320*240*2); - - InitFramebuffer=1; - - //gp2x_memregs[0x0F16>>1] = 0x830a; - //usleep(1000000); - //gp2x_memregs[0x0F58>>1] = 0x100c; - //usleep(1000000); - - - } - - - // Set graphics mode - gp2x_memregs[0x28DA>>1]=(((bpp+1)/8)<<9)|0xAB; /*8/15/16/24bpp...*/ - gp2x_memregs[0x290C>>1]=320*((bpp+1)/8); - - //TV out fix - gp_video_RGB_setscaling(320,240); - - // 2d accel - //gp2x_memregs[0x904 >> 1] |= 1<<10; //SYSCLKENREG (System Clock Enable Register) maybe bit 10 is 2d accer - //gp2x_memregs[0x90a >> 1] = 0xffff; // Reset clock timings for all devices - - gp_setFramebuffer(flip,1); - -#ifdef DEBUG - printf("Leaving gp_initGraphics....\r\n"); -#endif -} - -void gp_setFramebuffer(int flip, int sync) -{ - CurrentFrameBuffer=flip; - unsigned int address=(unsigned int)gp2x_physvram[flip]; - unsigned short x=0; - /*switch(sync) - { - case 0: - // No sync - break; - - case 1: - // VSync - while(1) - { - x=gp2x_memregs[0x1182>>1]; - if((x&(1<<4)) == 0) - { - break; - } - } - break; - case 2: - // HSync - while(1) - { - x=gp2x_memregs[0x1182>>1]; - if((x&(1<<5)) == 0) - { - break; - } - } - break; - }*/ - - gp2x_memregs[0x290E>>1]=(unsigned short)(address & 0xffff); - gp2x_memregs[0x2910>>1]=(unsigned short)(address >> 16); - gp2x_memregs[0x2912>>1]=(unsigned short)(address & 0xffff); - gp2x_memregs[0x2914>>1]=(unsigned short)(address >> 16); -} - -void gp2x_video_setpalette(void) -{ - unsigned short *g=(unsigned short *)gp2x_palette; int i=512; - gp2x_memregs[0x2958>>1]=0; - while(i--) gp2x_memregs[0x295A>>1]=*g++; -} - -/* -######################## -Sound functions -######################## - */ -static -void *gp2x_sound_play(void) -{ - //struct timespec ts; ts.tv_sec=0, ts.tv_nsec=1000; - while(! gp2x_sound_thread_exit) - { - Timer++; - CurrentSoundBank++; - - if (CurrentSoundBank >= 8) CurrentSoundBank = 0; - - if (SoundThreadFlag==SOUND_THREAD_SOUND_ON) - { - write(gp2x_dev[3], (void *)pOutput[CurrentSoundBank], gp2x_sound_buffer[1]); - ioctl(gp2x_dev[3], SOUND_PCM_SYNC, 0); - //ts.tv_sec=0, ts.tv_nsec=(gp2x_sound_buffer[3]<<16)|gp2x_sound_buffer[2]; - //nanosleep(&ts, NULL); - } - else - { - write(gp2x_dev[3], (void *)&gp2x_sound_buffer[4], gp2x_sound_buffer[1]); - ioctl(gp2x_dev[3], SOUND_PCM_SYNC, 0); - //ts.tv_sec=0, ts.tv_nsec=(gp2x_sound_buffer[3]<<16)|gp2x_sound_buffer[2]; - //nanosleep(&ts, NULL); - } - } - - return NULL; -} - -void gp2x_sound_play_bank(int bank) -{ - write(gp2x_dev[3], (void *)(&gp2x_sound_buffer[4+(bank*gp2x_sound_buffer[1])]), gp2x_sound_buffer[1]); -} - -void gp2x_sound_sync(void) -{ - ioctl(gp2x_dev[3], SOUND_PCM_SYNC, 0); -} - -void gp_sound_volume(int l, int r) -{ - if(!gp2x_dev[4]) - { - gp2x_dev[4] = open("/dev/mixer", O_WRONLY); - } - - l=((l<<8)|r); - if (altVolumeCtrl) //For FW >= 4.0 - { - ioctl(gp2x_dev[4], SOUND_MIXER_WRITE_VOLUME, &l); - } - ioctl(gp2x_dev[4], SOUND_MIXER_WRITE_PCM, &l); -} - -unsigned long gp_timer_read(void) -{ - // Once again another peice of direct hardware access bites the dust - // the code below is broken in firmware 2.1.1 so I've replaced it with a - // to a linux function which seems to work - //return gp2x_memregl[0x0A00>>2]/gp2x_ticks_per_second; - struct timeval tval; // timing - - gettimeofday(&tval, 0); - //tval.tv_usec - //tval.tv_sec - return (tval.tv_sec*1000000)+tval.tv_usec; -} - -int gp_initSound(int rate, int bits, int stereo, int Hz, int frag) -{ - int status; - int i=0; - int nonblocking=1; - unsigned int bufferStart=0; - int result; - char text[256]; - - //Check if firmware version > 4 - FILE *fVersion = fopen("/usr/gp2x/version","r"); - if (fVersion) - { - if (fgetc(fVersion) == '4') - { - altVolumeCtrl = 1; - } - fclose(fVersion); - } - - //int frag=0x00020010; // double buffer - frag size = 1<<0xf = 32768 - - //8 = 256 = 2 fps loss = good sound - //9 = 512 = 1 fps loss = good sound - //A = 1024 = - //f = 32768 = 0 fps loss = bad sound - if ((frag!= CurrentFrag)&&(gp2x_dev[3]!=0)) - { - // Different frag config required - // close device in order to re-adjust - close(gp2x_dev[3]); - gp2x_dev[3]=0; - } - - if (gp2x_dev[3]==0) - { - gp2x_dev[3] = open("/dev/dsp", O_WRONLY); - printf("Opening sound device: %x\r\n",gp2x_dev[3]); - ioctl(gp2x_dev[3], SNDCTL_DSP_SETFRAGMENT, &frag); - CurrentFrag=frag; // save frag config - } - - //ioctl(gp2x_dev[3], SNDCTL_DSP_RESET, 0); - result=ioctl(gp2x_dev[3], SNDCTL_DSP_SPEED, &rate); - if(result==-1) - { - debug("Error setting DSP Speed",1); - return(-1); - } - - result=ioctl(gp2x_dev[3], SNDCTL_DSP_SETFMT, &bits); - if(result==-1) - { - debug("Error setting DSP format",1); - return(-1); - } - - result=ioctl(gp2x_dev[3], SNDCTL_DSP_STEREO, &stereo); - if(result==-1) - { - debug("Error setting DSP format",1); - return(-1); - } - //printf("Disable Blocking: %x\r\n",ioctl(gp2x_dev[3], 0x5421, &nonblocking)); - - gp2x_sound_buffer[1]=(gp2x_sound_buffer[0]=(rate/Hz)) << (stereo + (bits==16)); - gp2x_sound_buffer[2]=(1000000000/Hz)&0xFFFF; - gp2x_sound_buffer[3]=(1000000000/Hz)>>16; - - bufferStart= &gp2x_sound_buffer[4]; - pOutput[0] = (short*)bufferStart+(0*gp2x_sound_buffer[1]); - pOutput[1] = (short*)bufferStart+(1*gp2x_sound_buffer[1]); - pOutput[2] = (short*)bufferStart+(2*gp2x_sound_buffer[1]); - pOutput[3] = (short*)bufferStart+(3*gp2x_sound_buffer[1]); - pOutput[4] = (short*)bufferStart+(4*gp2x_sound_buffer[1]); - pOutput[5] = (short*)bufferStart+(5*gp2x_sound_buffer[1]); - pOutput[6] = (short*)bufferStart+(6*gp2x_sound_buffer[1]); - pOutput[7] = (short*)bufferStart+(7*gp2x_sound_buffer[1]); - - if(!gp2x_sound_thread) - { - pthread_create( &gp2x_sound_thread, NULL, gp2x_sound_play, NULL); - //atexit(gp_Reset); - } - - for(i=0;i<(gp2x_sound_buffer[1]*8);i++) - { - gp2x_sound_buffer[4+i] = 0; - } - - return(0); -} - -void gp_stopSound(void) -{ - unsigned int i=0; - gp2x_sound_thread_exit=1; - printf("Killing Thread\r\n"); - for(i=0;i<(gp2x_sound_buffer[1]*8);i++) - { - gp2x_sound_buffer[4+i] = 0; - } - usleep(100000); - printf("Thread is dead\r\n"); - gp2x_sound_thread=0; - gp2x_sound_thread_exit=0; - CurrentSoundBank=0; -} - - -/* -######################## -System functions -######################## - */ -void gp_Reset(void) -{ - unsigned int i=0; - - - if( gp2x_sound_thread) - { - gp2x_sound_thread_exit=1; - usleep(500); - } - - gp2x_memregs[0x28DA>>1]=0x4AB; - gp2x_memregs[0x290C>>1]=640; - munmap((void *)gp2x_memregs, 0x10000); - - munmap(framebuffer_mmap[0], fb_size); - munmap(framebuffer_mmap[1], fb_size); - munmap(framebuffer_mmap[2], fb_size); - munmap(framebuffer_mmap[3], fb_size); - - if (gp2x_dev[0]) close(gp2x_dev[0]); - if (gp2x_dev[1]) close(gp2x_dev[1]); - if (gp2x_dev[2]) close(gp2x_dev[2]); - if (gp2x_dev[3]) close(gp2x_dev[3]); - if (gp2x_dev[4]) close(gp2x_dev[4]); - - fcloseall(); - - // If MMUHACK was applied succesfully then remove it - if (mmuHackStatus) mmuunhack(); - - chdir("/usr/gp2x"); - execl("gp2xmenu",NULL); -} - -void gp_video_RGB_setscaling(int W, int H) -{ - float escalaw,escalah; - int bpp=(gp2x_memregs[0x28DA>>1]>>9)&0x3; - - 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 - } - else //LCD - { - escalaw=1024.0; //RGB Horiz LCD - escalah=320.0; //RGB Vert LCD - } - - // scale horizontal - gp2x_memregs[0x2906>>1]=(unsigned short)((float)escalaw *(W/320.0)); - // scale vertical - gp2x_memregl[0x2908>>2]=(unsigned long)((float)escalah *bpp *(H/240.0)); -} - -void gp_setCpuspeed(unsigned int MHZ) -{ - unsigned v; - unsigned mdiv,pdiv=3,scale=0; - - MHZ*=1000000; - mdiv=(MHZ*pdiv)/SYS_CLK_FREQ; - mdiv=((mdiv-8)<<8) & 0xff00; - pdiv=((pdiv-2)<<2) & 0xfc; - scale&=3; - v=mdiv | pdiv | scale; - gp2x_memregs[0x910>>1]=v; - -} - -// craigix: --trc 6 --tras 4 --twr 1 --tmrd 1 --trfc 1 --trp 2 --trcd 2 -// set_RAM_Timings(6, 4, 1, 1, 1, 2, 2); -void set_RAM_Timings(int tRC, int tRAS, int tWR, int tMRD, int tRFC, int tRP, int tRCD) -{ - tRC -= 1; tRAS -= 1; tWR -= 1; tMRD -= 1; tRFC -= 1; tRP -= 1; tRCD -= 1; // ??? - gp2x_memregs[0x3802>>1] = ((tMRD & 0xF) << 12) | ((tRFC & 0xF) << 8) | ((tRP & 0xF) << 4) | (tRCD & 0xF); - gp2x_memregs[0x3804>>1] = /*0x9000 |*/ ((tRC & 0xF) << 8) | ((tRAS & 0xF) << 4) | (tWR & 0xF); -} - -void set_gamma(int g100) -{ - float gamma = (float) g100 / 100; - int i; - gamma = 1/gamma; - - //enable gamma - gp2x_memregs[0x2880>>1]&=~(1<<12); - - gp2x_memregs[0x295C>>1]=0; - for(i=0; i<256; i++) - { - unsigned char g; - unsigned short s; - g =(unsigned char)(255.0*pow(i/255.0,gamma)); - s = (g<<8) | g; - gp2x_memregs[0x295E>>1]= s; - gp2x_memregs[0x295E>>1]= g; - } -} - - - - - -- cgit v1.2.3