LXR linux/drivers/staging/sm750fb/ddk750

   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        SM_UNKNOWN,
  13        SM718,
  14        SM750,
  15        SM750LE,
  16}
  17logical_chip_type_t;
  18
  19typedef enum _clock_type_t {
  20        MXCLK_PLL,
  21        PRIMARY_PLL,
  22        SECONDARY_PLL,
  23        VGA0_PLL,
  24        VGA1_PLL,
  25}
  26clock_type_t;
  27
  28typedef 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}
  38pll_value_t;
  39
  40/* input struct to initChipParam() function */
  41typedef 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}
  70initchip_param_t;
  71
  72logical_chip_type_t getChipType(void);
  73unsigned int calcPllValue(unsigned int request, pll_value_t *pll);
  74unsigned int formatPllReg(pll_value_t *pPLL);
  75void ddk750_set_mmio(void __iomem *, unsigned short, char);
  76unsigned int ddk750_getVMSize(void);
  77int ddk750_initHw(initchip_param_t *);
  78
  79#endif
  80