original source from gpsp09-2xb_src.tar.bz2

1 files changed, 72 insertions, 0 deletions

diff --git a/gp2x/cpuctrl.h b/gp2x/cpuctrl.h
new file mode 100644
index 0000000..13ffa26
--- /dev/null
+++ b/gp2x/cpuctrl.h
@@ -0,0 +1,72 @@
+#if !defined(_CPUCTRL_)
+#define _CPUCTRL_
+
+void cpuctrl_init(); // call this at first
+
+void save_system_regs(); // save some registers
+void load_system_regs();
+
+void set_FCLK(unsigned MHZ); // adjust the clock frequency (in Mhz units)
+void set_add_ULCDCLK(int addclock);
+void set_add_FLCDCLK(int addclock);
+
+unsigned get_FCLK();
+unsigned get_freq_UCLK();
+unsigned get_freq_ACLK();
+unsigned get_freq_920_CLK();
+unsigned get_freq_940_CLK();
+unsigned get_freq_DCLK();
+unsigned get_LCDClk();
+char get_Clkgen();
+unsigned get_state940();
+
+void set_920_Div(unsigned short div); /* 0 to 7 divider (freq=FCLK/(1+div)) */
+unsigned short get_920_Div();
+
+void set_940_Div(unsigned short div); /* 0 to 7 divider (freq=FCLK/(1+div)) */
+unsigned short get_940_Div();
+
+void set_DCLK_Div(unsigned short div); /* 0 to 7 divider (freq=FCLK/(1+div)) */
+unsigned short get_DCLK_Div();
+
+unsigned short Disable_Int_920();
+unsigned short Disable_Int_940();
+
+void Enable_Int_920(unsigned short flag);
+void Enable_Int_940(unsigned short flag);
+
+void Disable_940(); // 940t down
+
+extern volatile unsigned  *arm940code; // memory address of 940t code
+
+void Load_940_code(unsigned *code,int size); // enable 940t, load 940t code  and clock 940t off
+
+void clock_940_off(); // 940t stops
+void clock_940_on();  // 940t running
+
+//Memory Timings
+unsigned get_CAS();    //CAS Latency
+unsigned get_tRC();    //ACTIVE to ACTIVE /AUTOREFRESH command delay
+unsigned get_tRAS();   //ACTIVE to PRECHARGE delay
+unsigned get_tWR();    //Write recovery time
+unsigned get_tMRD();   //LOAD MODE REGISTER command cycle time
+unsigned get_tRFC();   //AUTO REFRESH command period
+unsigned get_tRP();    //PRECHARGE command period
+unsigned get_tRCD();   //RAS to CAS Delay
+unsigned get_REFPERD();//Refresh Period
+
+void set_CAS();
+void set_tRC();
+void set_tRAS();
+void set_tWR();
+void set_tMRD();
+void set_tRFC();
+void set_tRP();
+void set_tRCD();
+void set_REFPERD();
+
+void set_gamma(float gamma);
+
+unsigned get_YBNKLVL();
+void set_YBNKLVL(unsigned short val);
+#endif