From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- drivers/staging/sm750fb/ddk750_dvi.c | 99 ++++++++++++++++++++++++++++++++++++ 1 file changed, 99 insertions(+) create mode 100644 drivers/staging/sm750fb/ddk750_dvi.c (limited to 'drivers/staging/sm750fb/ddk750_dvi.c') diff --git a/drivers/staging/sm750fb/ddk750_dvi.c b/drivers/staging/sm750fb/ddk750_dvi.c new file mode 100644 index 000000000..f5932bbf1 --- /dev/null +++ b/drivers/staging/sm750fb/ddk750_dvi.c @@ -0,0 +1,99 @@ +#define USE_DVICHIP +#ifdef USE_DVICHIP +#include "ddk750_help.h" +#include "ddk750_reg.h" +#include "ddk750_dvi.h" +#include "ddk750_sii164.h" + + +/* This global variable contains all the supported driver and its corresponding + function API. Please set the function pointer to NULL whenever the function + is not supported. */ +static dvi_ctrl_device_t g_dcftSupportedDviController[] = +{ +#ifdef DVI_CTRL_SII164 + { + .pfnInit = sii164InitChip, + .pfnGetVendorId = sii164GetVendorID, + .pfnGetDeviceId = sii164GetDeviceID, +#ifdef SII164_FULL_FUNCTIONS + .pfnResetChip = sii164ResetChip, + .pfnGetChipString = sii164GetChipString, + .pfnSetPower = sii164SetPower, + .pfnEnableHotPlugDetection = sii164EnableHotPlugDetection, + .pfnIsConnected = sii164IsConnected, + .pfnCheckInterrupt = sii164CheckInterrupt, + .pfnClearInterrupt = sii164ClearInterrupt, +#endif + }, +#endif +}; + + +int dviInit( + unsigned char edgeSelect, + unsigned char busSelect, + unsigned char dualEdgeClkSelect, + unsigned char hsyncEnable, + unsigned char vsyncEnable, + unsigned char deskewEnable, + unsigned char deskewSetting, + unsigned char continuousSyncEnable, + unsigned char pllFilterEnable, + unsigned char pllFilterValue + ) +{ + dvi_ctrl_device_t *pCurrentDviCtrl; + pCurrentDviCtrl = g_dcftSupportedDviController; + if(pCurrentDviCtrl->pfnInit != NULL) + { + return pCurrentDviCtrl->pfnInit(edgeSelect, busSelect, dualEdgeClkSelect, hsyncEnable, + vsyncEnable, deskewEnable, deskewSetting, continuousSyncEnable, + pllFilterEnable, pllFilterValue); + } + return -1;//error +} + + +/* + * dviGetVendorID + * This function gets the vendor ID of the DVI controller chip. + * + * Output: + * Vendor ID + */ +unsigned short dviGetVendorID(void) +{ + dvi_ctrl_device_t *pCurrentDviCtrl; + + //pCurrentDviCtrl = getDviCtrl(); + pCurrentDviCtrl = g_dcftSupportedDviController; + if (pCurrentDviCtrl != (dvi_ctrl_device_t *)0) + return pCurrentDviCtrl->pfnGetVendorId(); + + return 0x0000; +} + + +/* + * dviGetDeviceID + * This function gets the device ID of the DVI controller chip. + * + * Output: + * Device ID + */ +unsigned short dviGetDeviceID(void) +{ + dvi_ctrl_device_t *pCurrentDviCtrl; + +// pCurrentDviCtrl = getDviCtrl(); + pCurrentDviCtrl = g_dcftSupportedDviController; + if (pCurrentDviCtrl != (dvi_ctrl_device_t *)0) + return pCurrentDviCtrl->pfnGetDeviceId(); + + return 0x0000; +} + +#endif + + -- cgit v1.2.3-54-g00ecf