1 #ifndef DDK750_CHIP_H__ 2 #define DDK750_CHIP_H__ 3 #define DEFAULT_INPUT_CLOCK 14318181 /* Default reference clock */ 4 #ifndef SM750LE_REVISION_ID 5 #define SM750LE_REVISION_ID ((unsigned char)0xfe) 6 #endif 7 8 #include <linux/io.h> 9 10 /* This is all the chips recognized by this library */ 11 typedef enum _logical_chip_type_t { 12 SM_UNKNOWN, 13 SM718, 14 SM750, 15 SM750LE, 16 } 17 logical_chip_type_t; 18 19 typedef enum _clock_type_t { 20 MXCLK_PLL, 21 PRIMARY_PLL, 22 SECONDARY_PLL, 23 VGA0_PLL, 24 VGA1_PLL, 25 } 26 clock_type_t; 27 28 typedef struct _pll_value_t { 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 unsigned short powerMode; /* Use power mode 0 or 1 */ 43 unsigned short chipClock; /** 44 * 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; /** 49 * Speed of memory clock in MHz unit 50 * 0 = keep the current clock setting 51 * Others = the new memory clock 52 */ 53 unsigned short masterClock; /** 54 * Speed of master clock in MHz unit 55 * 0 = keep the current clock setting 56 * Others = the new master clock 57 */ 58 unsigned short setAllEngOff; /** 59 * 0 = leave all engine state untouched. 60 * 1 = make sure they are off: 2D, Overlay, 61 * video alpha, alpha, hardware cursors 62 */ 63 unsigned char resetMemory; /** 64 * 0 = Do not reset the memory controller 65 * 1 = Reset the memory controller 66 */ 67 68 /* More initialization parameter can be added if needed */ 69 } 70 initchip_param_t; 71 72 logical_chip_type_t sm750_get_chip_type(void); 73 unsigned int calcPllValue(unsigned int request, pll_value_t *pll); 74 unsigned int formatPllReg(pll_value_t *pPLL); 75 void ddk750_set_mmio(void __iomem *, unsigned short, char); 76 unsigned int ddk750_getVMSize(void); 77 int ddk750_initHw(initchip_param_t *); 78 79 #endif 80