1 #ifndef DDK750_CHIP_H__ 2 #define DDK750_CHIP_H__ 3 #define DEFAULT_INPUT_CLOCK 14318181 /* Default reference clock */ 4 #define SM750LE_REVISION_ID (char)0xfe 5 6 /* This is all the chips recognized by this library */ 7 typedef enum _logical_chip_type_t 8 { 9 SM_UNKNOWN, 10 SM718, 11 SM750, 12 SM750LE, 13 } 14 logical_chip_type_t; 15 16 17 typedef enum _clock_type_t 18 { 19 MXCLK_PLL, 20 PRIMARY_PLL, 21 SECONDARY_PLL, 22 VGA0_PLL, 23 VGA1_PLL, 24 } 25 clock_type_t; 26 27 typedef struct _pll_value_t 28 { 29 clock_type_t clockType; 30 unsigned long inputFreq; /* Input clock frequency to the PLL */ 31 32 /* Use this when clockType = PANEL_PLL */ 33 unsigned long M; 34 unsigned long N; 35 unsigned long OD; 36 unsigned long POD; 37 } 38 pll_value_t; 39 40 /* input struct to initChipParam() function */ 41 typedef struct _initchip_param_t 42 { 43 unsigned short powerMode; /* Use power mode 0 or 1 */ 44 unsigned short chipClock; /* Speed of main chip clock in MHz unit 45 0 = keep the current clock setting 46 Others = the new main chip clock 47 */ 48 unsigned short memClock; /* Speed of memory clock in MHz unit 49 0 = keep the current clock setting 50 Others = the new memory clock 51 */ 52 unsigned short masterClock; /* Speed of master clock in MHz unit 53 0 = keep the current clock setting 54 Others = the new master clock 55 */ 56 unsigned short setAllEngOff; /* 0 = leave all engine state untouched. 57 1 = make sure they are off: 2D, Overlay, 58 video alpha, alpha, hardware cursors 59 */ 60 unsigned char resetMemory; /* 0 = Do not reset the memory controller 61 1 = Reset the memory controller 62 */ 63 64 /* More initialization parameter can be added if needed */ 65 } 66 initchip_param_t; 67 68 69 logical_chip_type_t getChipType(void); 70 unsigned int calcPllValue(unsigned int request,pll_value_t *pll); 71 unsigned int calcPllValue2(unsigned int,pll_value_t *); 72 unsigned int formatPllReg(pll_value_t *pPLL); 73 void ddk750_set_mmio(volatile unsigned char *,unsigned short,char); 74 unsigned int ddk750_getVMSize(void); 75 int ddk750_initHw(initchip_param_t *); 76 unsigned int getPllValue(clock_type_t clockType, pll_value_t *pPLL); 77 unsigned int getChipClock(void); 78 void setChipClock(unsigned int); 79 void setMemoryClock(unsigned int frequency); 80 void setMasterClock(unsigned int frequency); 81 82 83 #endif 84