Release 4.7 drivers/staging/sm750fb/ddk750_chip.h

#ifndef DDK750_CHIP_H__

#define DDK750_CHIP_H__

#define DEFAULT_INPUT_CLOCK 14318181 
/* Default reference clock */
#ifndef SM750LE_REVISION_ID

#define SM750LE_REVISION_ID ((unsigned char)0xfe)
#endif

#include <linux/io.h>

/* This is all the chips recognized by this library */

typedef enum _logical_chip_type_t {
	
SM_UNKNOWN,
	
SM718,
	
SM750,
	
SM750LE,
}

logical_chip_type_t;


typedef enum _clock_type_t {
	
MXCLK_PLL,
	
PRIMARY_PLL,
	
SECONDARY_PLL,
	
VGA0_PLL,
	
VGA1_PLL,
}

clock_type_t;


typedef struct _pll_value_t {
	
clock_type_t clockType;
	
unsigned long inputFreq; /* Input clock frequency to the PLL */

	/* Use this when clockType = PANEL_PLL */
	
unsigned long M;
	
unsigned long N;
	
unsigned long OD;
	
unsigned long POD;
}

pll_value_t;

/* input struct to initChipParam() function */

typedef struct _initchip_param_t {
	
unsigned short powerMode;    /* Use power mode 0 or 1 */
	
unsigned short chipClock;    /**
                                      * Speed of main chip clock in MHz unit
                                      * 0 = keep the current clock setting
                                      * Others = the new main chip clock
                                      */
	
unsigned short memClock;     /**
                                      * Speed of memory clock in MHz unit
                                      * 0 = keep the current clock setting
                                      * Others = the new memory clock
                                      */
	
unsigned short masterClock;  /**
                                      * Speed of master clock in MHz unit
                                      * 0 = keep the current clock setting
                                      * Others = the new master clock
                                      */
	
unsigned short setAllEngOff; /**
                                      * 0 = leave all engine state untouched.
                                      * 1 = make sure they are off: 2D, Overlay,
                                      * video alpha, alpha, hardware cursors
                                      */
	
unsigned char resetMemory;   /**
                                      * 0 = Do not reset the memory controller
                                      * 1 = Reset the memory controller
                                      */

	/* More initialization parameter can be added if needed */
}

initchip_param_t;

logical_chip_type_t getChipType(void);
unsigned int calcPllValue(unsigned int request, pll_value_t *pll);
unsigned int formatPllReg(pll_value_t *pPLL);
void ddk750_set_mmio(void __iomem *, unsigned short, char);
unsigned int ddk750_getVMSize(void);
int ddk750_initHw(initchip_param_t *);

#endif
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Directory: drivers/staging/sm750fb

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