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