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 
20 typedef enum _clock_type_t {
21 	MXCLK_PLL,
22 	PRIMARY_PLL,
23 	SECONDARY_PLL,
24 	VGA0_PLL,
25 	VGA1_PLL,
26 }
27 clock_type_t;
28 
29 typedef struct _pll_value_t {
30 	clock_type_t clockType;
31 	unsigned long inputFreq; /* Input clock frequency to the PLL */
32 
33 	/* Use this when clockType = PANEL_PLL */
34 	unsigned long M;
35 	unsigned long N;
36 	unsigned long OD;
37 	unsigned long POD;
38 }
39 pll_value_t;
40 
41 /* input struct to initChipParam() function */
42 typedef struct _initchip_param_t {
43 	unsigned short powerMode;    /* Use power mode 0 or 1 */
44 	unsigned short chipClock;    /**
45 				      * Speed of main chip clock in MHz unit
46 				      * 0 = keep the current clock setting
47 				      * Others = the new main chip clock
48 				      */
49 	unsigned short memClock;     /**
50 				      * Speed of memory clock in MHz unit
51 				      * 0 = keep the current clock setting
52 				      * Others = the new memory clock
53 				      */
54 	unsigned short masterClock;  /**
55 				      * Speed of master clock in MHz unit
56 				      * 0 = keep the current clock setting
57 				      * Others = the new master clock
58 				      */
59 	unsigned short setAllEngOff; /**
60 				      * 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;   /**
65 				      * 0 = Do not reset the memory controller
66 				      * 1 = Reset the memory controller
67 				      */
68 
69 	/* More initialization parameter can be added if needed */
70 }
71 initchip_param_t;
72 
73 
74 logical_chip_type_t getChipType(void);
75 unsigned int calcPllValue(unsigned int request, pll_value_t *pll);
76 unsigned int calcPllValue2(unsigned int, pll_value_t *);
77 unsigned int formatPllReg(pll_value_t *pPLL);
78 void ddk750_set_mmio(void __iomem *, unsigned short, char);
79 unsigned int ddk750_getVMSize(void);
80 int ddk750_initHw(initchip_param_t *);
81 
82 
83 #endif
84