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 {
13     SM_UNKNOWN,
14     SM718,
15     SM750,
16     SM750LE,
17 }
18 logical_chip_type_t;
19 
20 
21 typedef enum _clock_type_t
22 {
23 	MXCLK_PLL,
24 	PRIMARY_PLL,
25 	SECONDARY_PLL,
26 	VGA0_PLL,
27 	VGA1_PLL,
28 }
29 clock_type_t;
30 
31 typedef struct _pll_value_t
32 {
33     clock_type_t clockType;
34     unsigned long inputFreq; /* Input clock frequency to the PLL */
35 
36     /* Use this when clockType = PANEL_PLL */
37     unsigned long M;
38     unsigned long N;
39     unsigned long OD;
40     unsigned long POD;
41 }
42 pll_value_t;
43 
44 /* input struct to initChipParam() function */
45 typedef struct _initchip_param_t
46 {
47     unsigned short powerMode;    /* Use power mode 0 or 1 */
48     unsigned short chipClock;    /* Speed of main chip clock in MHz unit
49                                     0 = keep the current clock setting
50                                     Others = the new main chip clock
51                                   */
52     unsigned short memClock;     /* Speed of memory clock in MHz unit
53                                     0 = keep the current clock setting
54                                     Others = the new memory clock
55                                   */
56     unsigned short masterClock;  /* Speed of master clock in MHz unit
57                                     0 = keep the current clock setting
58                                     Others = the new master clock
59                                   */
60     unsigned short setAllEngOff; /* 0 = leave all engine state untouched.
61                                     1 = make sure they are off: 2D, Overlay,
62                                     video alpha, alpha, hardware cursors
63                                  */
64     unsigned char resetMemory;   /* 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 
73 logical_chip_type_t getChipType(void);
74 unsigned int calcPllValue(unsigned int request,pll_value_t *pll);
75 unsigned int calcPllValue2(unsigned int,pll_value_t *);
76 unsigned int formatPllReg(pll_value_t *pPLL);
77 void ddk750_set_mmio(void __iomem *,unsigned short,char);
78 unsigned int ddk750_getVMSize(void);
79 int ddk750_initHw(initchip_param_t *);
80 unsigned int getPllValue(clock_type_t clockType, pll_value_t *pPLL);
81 unsigned int getChipClock(void);
82 void setChipClock(unsigned int);
83 void setMemoryClock(unsigned int frequency);
84 void setMasterClock(unsigned int frequency);
85 
86 
87 #endif
88