mirror of
https://github.com/RaySollium99/picodrive.git
synced 2025-09-05 07:17:45 -04:00
usbjoy fix, refresh rate lib
git-svn-id: file:///home/notaz/opt/svn/PicoDrive@183 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz
parent
aa15fda82c
commit
626f7c37bb
4 changed files with 172 additions and 30 deletions
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@ -1,7 +1,7 @@
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/* cpuctrl for GP2X
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Copyright (C) 2005 Hermes/PS2Reality
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Copyright (C) 2005 Hermes/PS2Reality
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the gamma-routine was provided by theoddbot
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parts (c) Rlyehs Work & (C) 2006 god_at_hell
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parts (c) Rlyehs Work & (C) 2006 god_at_hell
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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@ -20,52 +20,62 @@
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*/
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#include <sys/mman.h>
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#include <stdio.h>
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#include <math.h>
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#include "cpuctrl.h"
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/* system registers */
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static struct
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static struct
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{
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unsigned short SYSCLKENREG,SYSCSETREG,FPLLVSETREG,DUALINT920,DUALINT940,DUALCTRL940,MEMTIMEX0,MEMTIMEX1;
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unsigned short SYSCLKENREG,SYSCSETREG,UPLLVSETREG,FPLLVSETREG,
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DUALINT920,DUALINT940,DUALCTRL940,MEMTIMEX0,MEMTIMEX1,DISPCSETREG,
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DPC_HS_WIDTH,DPC_HS_STR,DPC_HS_END,DPC_VS_END,DPC_DE;
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}
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system_reg;
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static unsigned short dispclockdiv;
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static volatile unsigned short *MEM_REG;
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#define SYS_CLK_FREQ 7372800
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// Fout = (m * Fin) / (p * 2^s)
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// m = MDIV+8, p = PDIV+2, s = SDIV
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// m = (Fout * p * 2^s) / Fin
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void cpuctrl_init(void)
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{
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extern volatile unsigned short *gp2x_memregs; /* from minimal library rlyeh */
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MEM_REG=&gp2x_memregs[0];
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system_reg.SYSCSETREG=MEM_REG[0x91c>>1];
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system_reg.DISPCSETREG=MEM_REG[0x924>>1];
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system_reg.UPLLVSETREG=MEM_REG[0x916>>1];
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system_reg.FPLLVSETREG=MEM_REG[0x912>>1];
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system_reg.SYSCSETREG=MEM_REG[0x91c>>1];
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system_reg.SYSCLKENREG=MEM_REG[0x904>>1];
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system_reg.DUALINT920=MEM_REG[0x3B40>>1];
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system_reg.DUALINT940=MEM_REG[0x3B42>>1];
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system_reg.DUALCTRL940=MEM_REG[0x3B48>>1];
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system_reg.MEMTIMEX0=MEM_REG[0x3802>>1];
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system_reg.MEMTIMEX1=MEM_REG[0x3804>>1];
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dispclockdiv=MEM_REG[0x924>>1];
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system_reg.DPC_HS_WIDTH=MEM_REG[0x281A>>1];
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system_reg.DPC_HS_STR=MEM_REG[0x281C>>1];
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system_reg.DPC_HS_END=MEM_REG[0x281E>>1];
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system_reg.DPC_VS_END=MEM_REG[0x2822>>1];
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system_reg.DPC_DE=MEM_REG[0x2826>>1];
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}
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void cpuctrl_deinit(void)
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{
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MEM_REG[0x91c>>1]=system_reg.SYSCSETREG;
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MEM_REG[0x910>>1]=system_reg.FPLLVSETREG;
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MEM_REG[0x91c>>1]=system_reg.SYSCSETREG;
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MEM_REG[0x3B40>>1]=system_reg.DUALINT920;
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MEM_REG[0x3B42>>1]=system_reg.DUALINT940;
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MEM_REG[0x3B48>>1]=system_reg.DUALCTRL940;
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MEM_REG[0x904>>1]=system_reg.SYSCLKENREG;
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MEM_REG[0x924>>1]=dispclockdiv;
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MEM_REG[0x3802>>1]=system_reg.MEMTIMEX0;
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MEM_REG[0x3804>>1]=system_reg.MEMTIMEX1 /*| 0x9000*/;
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unset_LCD_custom_rate();
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}
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@ -94,7 +104,7 @@ void set_920_Div(unsigned short div)
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{
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unsigned short v;
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v = MEM_REG[0x91c>>1] & (~0x3);
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MEM_REG[0x91c>>1] = (div & 0x7) | v;
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MEM_REG[0x91c>>1] = (div & 0x7) | v;
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}
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@ -102,7 +112,7 @@ void set_DCLK_Div( unsigned short div )
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{
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unsigned short v;
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v = (unsigned short)( MEM_REG[0x91c>>1] & (~(0x7 << 6)) );
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MEM_REG[0x91c>>1] = ((div & 0x7) << 6) | v;
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MEM_REG[0x91c>>1] = ((div & 0x7) << 6) | v;
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}
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/*
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@ -110,12 +120,133 @@ void Disable_940(void)
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{
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MEM_REG[0x3B42>>1];
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MEM_REG[0x3B42>>1]=0;
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MEM_REG[0x3B46>>1]=0xffff;
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MEM_REG[0x3B46>>1]=0xffff;
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MEM_REG[0x3B48>>1]|= (1 << 7);
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MEM_REG[0x904>>1]&=0xfffe;
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}
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*/
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typedef struct
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{
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unsigned short reg, valmask, val;
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}
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reg_setting;
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// ~59.998, couldn't figure closer values
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static reg_setting rate_almost60[] =
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{
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{ 0x0914, 0xffff, (212<<8)|(2<<2)|1 }, /* UPLLSETVREG */
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{ 0x0924, 0xff00, (2<<14)|(36<<8) }, /* DISPCSETREG */
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{ 0x281A, 0x00ff, 1 }, /* .HSWID(T2) */
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{ 0x281C, 0x00ff, 0 }, /* .HSSTR(T8) */
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{ 0x281E, 0x00ff, 2 }, /* .HSEND(T7) */
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{ 0x2822, 0x01ff, 12 }, /* .VSEND (T9) */
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{ 0x2826, 0x0ff0, 34<<4 }, /* .DESTR(T3) */
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{ 0, 0, 0 }
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};
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// perfect 50Hz?
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static reg_setting rate_50[] =
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{
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{ 0x0914, 0xffff, (39<<8)|(0<<2)|2 }, /* UPLLSETVREG */
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{ 0x0924, 0xff00, (2<<14)|(7<<8) }, /* DISPCSETREG */
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{ 0x281A, 0x00ff, 31 }, /* .HSWID(T2) */
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{ 0x281C, 0x00ff, 16 }, /* .HSSTR(T8) */
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{ 0x281E, 0x00ff, 15 }, /* .HSEND(T7) */
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{ 0x2822, 0x01ff, 15 }, /* .VSEND (T9) */
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{ 0x2826, 0x0ff0, 37<<4 }, /* .DESTR(T3) */
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{ 0, 0, 0 }
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};
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// 16639/2 ~120.20
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static reg_setting rate_120_20[] =
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{
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{ 0x0914, 0xffff, (96<<8)|(0<<2)|2 }, /* UPLLSETVREG */
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{ 0x0924, 0xff00, (2<<14)|(7<<8) }, /* DISPCSETREG */
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{ 0x281A, 0x00ff, 19 }, /* .HSWID(T2) */
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{ 0x281C, 0x00ff, 7 }, /* .HSSTR(T8) */
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{ 0x281E, 0x00ff, 7 }, /* .HSEND(T7) */
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{ 0x2822, 0x01ff, 12 }, /* .VSEND (T9) */
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{ 0x2826, 0x0ff0, 37<<4 }, /* .DESTR(T3) */
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{ 0, 0, 0 }
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};
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// 19997/2 ~100.02
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static reg_setting rate_100_02[] =
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{
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{ 0x0914, 0xffff, (98<<8)|(0<<2)|2 }, /* UPLLSETVREG */
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{ 0x0924, 0xff00, (2<<14)|(8<<8) }, /* DISPCSETREG */
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{ 0x281A, 0x00ff, 26 }, /* .HSWID(T2) */
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{ 0x281C, 0x00ff, 6 }, /* .HSSTR(T8) */
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{ 0x281E, 0x00ff, 6 }, /* .HSEND(T7) */
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{ 0x2822, 0x01ff, 31 }, /* .VSEND (T9) */
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{ 0x2826, 0x0ff0, 37<<4 }, /* .DESTR(T3) */
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{ 0, 0, 0 }
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};
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// 120.00 97/0/2/7|25/ 7/ 7/11/37
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static reg_setting rate_120[] =
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{
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{ 0x0914, 0xffff, (97<<8)|(0<<2)|2 }, /* UPLLSETVREG */
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{ 0x0924, 0xff00, (2<<14)|(7<<8) }, /* DISPCSETREG */
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{ 0x281A, 0x00ff, 25 }, /* .HSWID(T2) */
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{ 0x281C, 0x00ff, 7 }, /* .HSSTR(T8) */
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{ 0x281E, 0x00ff, 7 }, /* .HSEND(T7) */
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{ 0x2822, 0x01ff, 11 }, /* .VSEND (T9) */
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{ 0x2826, 0x0ff0, 37<<4 }, /* .DESTR(T3) */
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{ 0, 0, 0 }
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};
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// 100.00 96/0/2/7|29/25/53/15/37
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static reg_setting rate_100[] =
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{
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{ 0x0914, 0xffff, (96<<8)|(0<<2)|2 }, /* UPLLSETVREG */
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{ 0x0924, 0xff00, (2<<14)|(7<<8) }, /* DISPCSETREG */
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{ 0x281A, 0x00ff, 29 }, /* .HSWID(T2) */
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{ 0x281C, 0x00ff, 25 }, /* .HSSTR(T8) */
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{ 0x281E, 0x00ff, 53 }, /* .HSEND(T7) */
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{ 0x2822, 0x01ff, 15 }, /* .VSEND (T9) */
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{ 0x2826, 0x0ff0, 37<<4 }, /* .DESTR(T3) */
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{ 0, 0, 0 }
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};
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static reg_setting *possible_rates[] = { rate_almost60, rate_50, rate_120_20, rate_100_02, rate_120, rate_100 };
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void set_LCD_custom_rate(lcd_rate_t rate)
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{
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reg_setting *set;
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if (MEM_REG[0x2800>>1] & 0x100) // tv-out
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{
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return;
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}
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printf("setting custom LCD refresh, mode=%i... ", rate); fflush(stdout);
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for (set = possible_rates[rate]; set->reg; set++)
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{
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unsigned short val = MEM_REG[set->reg >> 1];
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val &= ~set->valmask;
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val |= set->val;
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MEM_REG[set->reg >> 1] = val;
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}
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printf("done.\n");
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}
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void unset_LCD_custom_rate(void)
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{
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printf("reset to prev LCD refresh.\n");
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MEM_REG[0x914>>1]=system_reg.UPLLVSETREG;
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MEM_REG[0x924>>1]=system_reg.DISPCSETREG;
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MEM_REG[0x281A>>1]=system_reg.DPC_HS_WIDTH;
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MEM_REG[0x281C>>1]=system_reg.DPC_HS_STR;
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MEM_REG[0x281E>>1]=system_reg.DPC_HS_END;
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MEM_REG[0x2822>>1]=system_reg.DPC_VS_END;
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MEM_REG[0x2826>>1]=system_reg.DPC_DE;
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}
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void set_RAM_Timings(int tRC, int tRAS, int tWR, int tMRD, int tRFC, int tRP, int tRCD)
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{
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tRC -= 1; tRAS -= 1; tWR -= 1; tMRD -= 1; tRFC -= 1; tRP -= 1; tRCD -= 1; // ???
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@ -124,14 +255,6 @@ void set_RAM_Timings(int tRC, int tRAS, int tWR, int tMRD, int tRFC, int tRP, in
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}
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/*
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void gp2x_video_wait_vsync(void)
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{
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MEM_REG[0x2846>>1]=(MEM_REG[0x2846>>1] | 0x20) & ~2;
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while(!(MEM_REG[0x2846>>1] & 2));
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}
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*/
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void set_gamma(int g100)
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{
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float gamma = (float) g100 / 100;
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@ -9,8 +9,21 @@ extern void set_FCLK(unsigned MHZ); /* adjust the clock frequency (in Mhz units)
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extern void set_920_Div(unsigned short div); /* 0 to 7 divider (freq=FCLK/(1+div)) */
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extern void set_DCLK_Div(unsigned short div); /* 0 to 7 divider (freq=FCLK/(1+div)) */
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//extern void Disable_940(void); /* 940t down */
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//extern void gp2x_video_wait_vsync(void);
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extern void set_RAM_Timings(int tRC, int tRAS, int tWR, int tMRD, int tRFC, int tRP, int tRCD);
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extern void set_gamma(int g100);
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typedef enum
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{
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LCDR_60 = 0, /* ~59.998Hz, has interlacing problems, kills USB host */
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LCDR_50, /* 50Hz, has interlacing problems, kills USB host */
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LCDR_120_20, /* ~60.10*2Hz, used by FCE Ultra */
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LCDR_100_02, /* ~50.01*2Hz, used by FCE Ultra */
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LCDR_120, /* 120Hz */
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LCDR_100, /* 100Hz */
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} lcd_rate_t;
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extern void set_LCD_custom_rate(lcd_rate_t rate);
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extern void unset_LCD_custom_rate(void);
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#endif
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@ -34,6 +34,8 @@
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#include "usbjoy.h"
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/* This is a try to support analog joys. Untested. */
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#define DEAD_ZONE (8*1024)
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/*
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Function: joy_open
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@ -210,14 +212,16 @@ int joy_update (struct usbjoy * joy) {
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switch (events[i].type & ~JS_EVENT_INIT) {
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case JS_EVENT_AXIS:
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if (events[i].number == 0) {
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if (events[i].value == 0) joy->stateaxes[JOYLEFT] = joy->stateaxes[JOYRIGHT] = 0;
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else if (events[i].value < 0) joy->stateaxes[JOYLEFT] = 1;
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else joy->stateaxes[JOYRIGHT] = 1;
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joy->stateaxes[JOYLEFT] = joy->stateaxes[JOYRIGHT] = 0;
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if (events[i].value < -DEAD_ZONE) joy->stateaxes[JOYLEFT] = 1;
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else if (events[i].value > DEAD_ZONE) joy->stateaxes[JOYRIGHT] = 1;
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joy->axevals[0] = events[i].value;
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}
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else if (events[i].number == 1) {
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if (events[i].value == 0) joy->stateaxes[JOYUP] = joy->stateaxes[JOYDOWN] = 0;
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else if (events[i].value < 0) joy->stateaxes[JOYUP] = 1;
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else joy->stateaxes[JOYDOWN] = 1;
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joy->stateaxes[JOYUP] = joy->stateaxes[JOYDOWN] = 0;
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if (events[i].value < -DEAD_ZONE) joy->stateaxes[JOYUP] = 1;
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else if (events[i].value > DEAD_ZONE) joy->stateaxes[JOYDOWN] = 1;
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joy->axevals[1] = events[i].value;
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}
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event = 1;
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break;
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@ -418,6 +422,7 @@ void gp2x_usbjoy_deinit (void) {
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int i;
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for (i=0; i<num_of_joys; i++) {
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joy_close (joys[i]);
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joys[i] = NULL;
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}
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num_of_joys = 0;
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}
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@ -23,7 +23,7 @@
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#ifndef USBJOY_H
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#define USBJOY_H
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/* notaz: my Logitech has different button layout, and I want it to match gptx's */
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/* notaz: my Logitech has different button layout, and I want it to match gp2x's */
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typedef enum {
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JOY_TYPE_GENERIC,
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JOY_TYPE_LOGITECH
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@ -72,6 +72,7 @@ struct usbjoy {
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int numhats;
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int statebuttons[32];
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int stateaxes[4];
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int axevals[2];
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joy_type type;
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};
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