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 */
11typedef enum _logical_chip_type_t
12{
13    SM_UNKNOWN,
14    SM718,
15    SM750,
16    SM750LE,
17}
18logical_chip_type_t;
19
20
21typedef enum _clock_type_t
22{
23	MXCLK_PLL,
24	PRIMARY_PLL,
25	SECONDARY_PLL,
26	VGA0_PLL,
27	VGA1_PLL,
28}
29clock_type_t;
30
31typedef 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}
42pll_value_t;
43
44/* input struct to initChipParam() function */
45typedef 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}
70initchip_param_t;
71
72
73logical_chip_type_t getChipType(void);
74unsigned int calcPllValue(unsigned int request,pll_value_t *pll);
75unsigned int calcPllValue2(unsigned int,pll_value_t *);
76unsigned int formatPllReg(pll_value_t *pPLL);
77void ddk750_set_mmio(void __iomem *,unsigned short,char);
78unsigned int ddk750_getVMSize(void);
79int ddk750_initHw(initchip_param_t *);
80unsigned int getPllValue(clock_type_t clockType, pll_value_t *pPLL);
81unsigned int getChipClock(void);
82void setChipClock(unsigned int);
83void setMemoryClock(unsigned int frequency);
84void setMasterClock(unsigned int frequency);
85
86
87#endif
88