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;    /**
49 				      * Speed of main chip clock in MHz unit
50 				      * 0 = keep the current clock setting
51 				      * Others = the new main chip clock
52 				      */
53 	unsigned short memClock;     /**
54 				      * Speed of memory clock in MHz unit
55 				      * 0 = keep the current clock setting
56 				      * Others = the new memory clock
57 				      */
58 	unsigned short masterClock;  /**
59 				      * Speed of master clock in MHz unit
60 				      * 0 = keep the current clock setting
61 				      * Others = the new master clock
62 				      */
63 	unsigned short setAllEngOff; /**
64 				      * 0 = leave all engine state untouched.
65 				      * 1 = make sure they are off: 2D, Overlay,
66 				      * video alpha, alpha, hardware cursors
67 				      */
68 	unsigned char resetMemory;   /**
69 				      * 0 = Do not reset the memory controller
70 				      * 1 = Reset the memory controller
71 				      */
72 
73 	/* More initialization parameter can be added if needed */
74 }
75 initchip_param_t;
76 
77 
78 logical_chip_type_t getChipType(void);
79 unsigned int calcPllValue(unsigned int request, pll_value_t *pll);
80 unsigned int calcPllValue2(unsigned int, pll_value_t *);
81 unsigned int formatPllReg(pll_value_t *pPLL);
82 void ddk750_set_mmio(void __iomem *, unsigned short, char);
83 unsigned int ddk750_getVMSize(void);
84 int ddk750_initHw(initchip_param_t *);
85 unsigned int getPllValue(clock_type_t clockType, pll_value_t *pPLL);
86 unsigned int getChipClock(void);
87 void setChipClock(unsigned int);
88 void setMemoryClock(unsigned int frequency);
89 void setMasterClock(unsigned int frequency);
90 
91 
92 #endif
93