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 #include <linux/ioport.h> 10 #include <linux/uaccess.h> 11 12 extern void __iomem *mmio750; 13 14 /* software control endianness */ 15 static inline u32 peek32(u32 addr) 16 { 17 return readl(addr + mmio750); 18 } 19 20 static inline void poke32(u32 addr, u32 data) 21 { 22 writel(data, addr + mmio750); 23 } 24 25 /* This is all the chips recognized by this library */ 26 typedef enum _logical_chip_type_t { 27 SM_UNKNOWN, 28 SM718, 29 SM750, 30 SM750LE, 31 } 32 logical_chip_type_t; 33 34 typedef enum _clock_type_t { 35 MXCLK_PLL, 36 PRIMARY_PLL, 37 SECONDARY_PLL, 38 VGA0_PLL, 39 VGA1_PLL, 40 } 41 clock_type_t; 42 43 struct pll_value { 44 clock_type_t clockType; 45 unsigned long inputFreq; /* Input clock frequency to the PLL */ 46 47 /* Use this when clockType = PANEL_PLL */ 48 unsigned long M; 49 unsigned long N; 50 unsigned long OD; 51 unsigned long POD; 52 }; 53 54 /* input struct to initChipParam() function */ 55 struct initchip_param { 56 /* Use power mode 0 or 1 */ 57 unsigned short powerMode; 58 59 /* 60 * Speed of main chip clock in MHz unit 61 * 0 = keep the current clock setting 62 * Others = the new main chip clock 63 */ 64 unsigned short chipClock; 65 66 /* 67 * Speed of memory clock in MHz unit 68 * 0 = keep the current clock setting 69 * Others = the new memory clock 70 */ 71 unsigned short memClock; 72 73 /* 74 * Speed of master clock in MHz unit 75 * 0 = keep the current clock setting 76 * Others = the new master clock 77 */ 78 unsigned short masterClock; 79 80 /* 81 * 0 = leave all engine state untouched. 82 * 1 = make sure they are off: 2D, Overlay, 83 * video alpha, alpha, hardware cursors 84 */ 85 unsigned short setAllEngOff; 86 87 /* 88 * 0 = Do not reset the memory controller 89 * 1 = Reset the memory controller 90 */ 91 unsigned char resetMemory; 92 93 /* More initialization parameter can be added if needed */ 94 }; 95 96 logical_chip_type_t sm750_get_chip_type(void); 97 void sm750_set_chip_type(unsigned short devId, u8 revId); 98 unsigned int sm750_calc_pll_value(unsigned int request, struct pll_value *pll); 99 unsigned int sm750_format_pll_reg(struct pll_value *pPLL); 100 unsigned int ddk750_get_vm_size(void); 101 int ddk750_init_hw(struct initchip_param *pinit_param); 102 103 #endif 104