kernel/drivers/staging/sm750fb/ddk750_dvi.c

   1 #define USE_DVICHIP
   2 #ifdef USE_DVICHIP
   3 #include "ddk750_help.h"
   4 #include "ddk750_reg.h"
   5 #include "ddk750_dvi.h"
   6 #include "ddk750_sii164.h"
   7
   8
   9 /* This global variable contains all the supported driver and its corresponding
  10    function API. Please set the function pointer to NULL whenever the function
  11    is not supported. */
  12 static dvi_ctrl_device_t g_dcftSupportedDviController[] =
  13 {
  14 #ifdef DVI_CTRL_SII164
  15     {
  16         .pfnInit = sii164InitChip,
  17         .pfnGetVendorId = sii164GetVendorID,
  18         .pfnGetDeviceId = sii164GetDeviceID,
  19 #ifdef SII164_FULL_FUNCTIONS
  20         .pfnResetChip = sii164ResetChip,
  21         .pfnGetChipString = sii164GetChipString,
  22         .pfnSetPower = sii164SetPower,
  23         .pfnEnableHotPlugDetection = sii164EnableHotPlugDetection,
  24         .pfnIsConnected = sii164IsConnected,
  25         .pfnCheckInterrupt = sii164CheckInterrupt,
  26         .pfnClearInterrupt = sii164ClearInterrupt,
  27 #endif
  28     },
  29 #endif
  30 };
  31
  32
  33 int dviInit(
  34     unsigned char edgeSelect,
  35     unsigned char busSelect,
  36     unsigned char dualEdgeClkSelect,
  37     unsigned char hsyncEnable,
  38     unsigned char vsyncEnable,
  39     unsigned char deskewEnable,
  40     unsigned char deskewSetting,
  41     unsigned char continuousSyncEnable,
  42     unsigned char pllFilterEnable,
  43     unsigned char pllFilterValue
  44                         )
  45 {
  46         dvi_ctrl_device_t *pCurrentDviCtrl;
  47         pCurrentDviCtrl = g_dcftSupportedDviController;
  48         if(pCurrentDviCtrl->pfnInit != NULL)
  49         {
  50                 return pCurrentDviCtrl->pfnInit(edgeSelect, busSelect, dualEdgeClkSelect, hsyncEnable,
  51                               vsyncEnable, deskewEnable, deskewSetting, continuousSyncEnable,
  52                               pllFilterEnable, pllFilterValue);
  53         }
  54         return -1;//error
  55 }
  56
  57
  58 /*
  59  *  dviGetVendorID
  60  *      This function gets the vendor ID of the DVI controller chip.
  61  *
  62  *  Output:
  63  *      Vendor ID
  64  */
  65 unsigned short dviGetVendorID(void)
  66 {
  67     dvi_ctrl_device_t *pCurrentDviCtrl;
  68
  69     //pCurrentDviCtrl = getDviCtrl();
  70     pCurrentDviCtrl = g_dcftSupportedDviController;
  71     if (pCurrentDviCtrl != (dvi_ctrl_device_t *)0)
  72         return pCurrentDviCtrl->pfnGetVendorId();
  73
  74     return 0x0000;
  75 }
  76
  77
  78 /*
  79  *  dviGetDeviceID
  80  *      This function gets the device ID of the DVI controller chip.
  81  *
  82  *  Output:
  83  *      Device ID
  84  */
  85 unsigned short dviGetDeviceID(void)
  86 {
  87     dvi_ctrl_device_t *pCurrentDviCtrl;
  88
  89 //    pCurrentDviCtrl = getDviCtrl();
  90         pCurrentDviCtrl = g_dcftSupportedDviController;
  91     if (pCurrentDviCtrl != (dvi_ctrl_device_t *)0)
  92         return pCurrentDviCtrl->pfnGetDeviceId();
  93
  94     return 0x0000;
  95 }
  96
  97 #endif
  98
  99