diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/video/kyro/STG4000Ramdac.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/video/kyro/STG4000Ramdac.c | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/ANDROID_3.4.5/drivers/video/kyro/STG4000Ramdac.c b/ANDROID_3.4.5/drivers/video/kyro/STG4000Ramdac.c deleted file mode 100644 index e6ad037e..00000000 --- a/ANDROID_3.4.5/drivers/video/kyro/STG4000Ramdac.c +++ /dev/null @@ -1,163 +0,0 @@ -/* - * linux/drivers/video/kyro/STG4000Ramdac.c - * - * Copyright (C) 2002 STMicroelectronics - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file COPYING in the main directory of this archive - * for more details. - */ - -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/types.h> -#include <video/kyro.h> - -#include "STG4000Reg.h" -#include "STG4000Interface.h" - -static u32 STG_PIXEL_BUS_WIDTH = 128; /* 128 bit bus width */ -static u32 REF_CLOCK = 14318; - -int InitialiseRamdac(volatile STG4000REG __iomem * pSTGReg, - u32 displayDepth, - u32 displayWidth, - u32 displayHeight, - s32 HSyncPolarity, - s32 VSyncPolarity, u32 * pixelClock) -{ - u32 tmp = 0; - u32 F = 0, R = 0, P = 0; - u32 stride = 0; - u32 ulPdiv = 0; - u32 physicalPixelDepth = 0; - /* Make sure DAC is in Reset */ - tmp = STG_READ_REG(SoftwareReset); - - if (tmp & 0x1) { - CLEAR_BIT(1); - STG_WRITE_REG(SoftwareReset, tmp); - } - - /* Set Pixel Format */ - tmp = STG_READ_REG(DACPixelFormat); - CLEAR_BITS_FRM_TO(0, 2); - - /* Set LUT not used from 16bpp to 32 bpp ??? */ - CLEAR_BITS_FRM_TO(8, 9); - - switch (displayDepth) { - case 16: - { - physicalPixelDepth = 16; - tmp |= _16BPP; - break; - } - case 32: - { - /* Set for 32 bits per pixel */ - physicalPixelDepth = 32; - tmp |= _32BPP; - break; - } - default: - return -EINVAL; - } - - STG_WRITE_REG(DACPixelFormat, tmp); - - /* Workout Bus transfer bandwidth according to pixel format */ - ulPdiv = STG_PIXEL_BUS_WIDTH / physicalPixelDepth; - - /* Get Screen Stride in pixels */ - stride = displayWidth; - - /* Set Primary size info */ - tmp = STG_READ_REG(DACPrimSize); - CLEAR_BITS_FRM_TO(0, 10); - CLEAR_BITS_FRM_TO(12, 31); - tmp |= - ((((displayHeight - 1) << 12) | (((displayWidth / ulPdiv) - - 1) << 23)) - | (stride / ulPdiv)); - STG_WRITE_REG(DACPrimSize, tmp); - - - /* Set Pixel Clock */ - *pixelClock = ProgramClock(REF_CLOCK, *pixelClock, &F, &R, &P); - - /* Set DAC PLL Mode */ - tmp = STG_READ_REG(DACPLLMode); - CLEAR_BITS_FRM_TO(0, 15); - /* tmp |= ((P-1) | ((F-2) << 2) | ((R-2) << 11)); */ - tmp |= ((P) | ((F - 2) << 2) | ((R - 2) << 11)); - STG_WRITE_REG(DACPLLMode, tmp); - - /* Set Prim Address */ - tmp = STG_READ_REG(DACPrimAddress); - CLEAR_BITS_FRM_TO(0, 20); - CLEAR_BITS_FRM_TO(20, 31); - STG_WRITE_REG(DACPrimAddress, tmp); - - /* Set Cursor details with HW Cursor disabled */ - tmp = STG_READ_REG(DACCursorCtrl); - tmp &= ~SET_BIT(31); - STG_WRITE_REG(DACCursorCtrl, tmp); - - tmp = STG_READ_REG(DACCursorAddr); - CLEAR_BITS_FRM_TO(0, 20); - STG_WRITE_REG(DACCursorAddr, tmp); - - /* Set Video Window */ - tmp = STG_READ_REG(DACVidWinStart); - CLEAR_BITS_FRM_TO(0, 10); - CLEAR_BITS_FRM_TO(16, 26); - STG_WRITE_REG(DACVidWinStart, tmp); - - tmp = STG_READ_REG(DACVidWinEnd); - CLEAR_BITS_FRM_TO(0, 10); - CLEAR_BITS_FRM_TO(16, 26); - STG_WRITE_REG(DACVidWinEnd, tmp); - - /* Set DAC Border Color to default */ - tmp = STG_READ_REG(DACBorderColor); - CLEAR_BITS_FRM_TO(0, 23); - STG_WRITE_REG(DACBorderColor, tmp); - - /* Set Graphics and Overlay Burst Control */ - STG_WRITE_REG(DACBurstCtrl, 0x0404); - - /* Set CRC Trigger to default */ - tmp = STG_READ_REG(DACCrcTrigger); - CLEAR_BIT(0); - STG_WRITE_REG(DACCrcTrigger, tmp); - - /* Set Video Port Control to default */ - tmp = STG_READ_REG(DigVidPortCtrl); - CLEAR_BIT(8); - CLEAR_BITS_FRM_TO(16, 27); - CLEAR_BITS_FRM_TO(1, 3); - CLEAR_BITS_FRM_TO(10, 11); - STG_WRITE_REG(DigVidPortCtrl, tmp); - - return 0; -} - -/* Ramdac control, turning output to the screen on and off */ -void DisableRamdacOutput(volatile STG4000REG __iomem * pSTGReg) -{ - u32 tmp; - - /* Disable DAC for Graphics Stream Control */ - tmp = (STG_READ_REG(DACStreamCtrl)) & ~SET_BIT(0); - STG_WRITE_REG(DACStreamCtrl, tmp); -} - -void EnableRamdacOutput(volatile STG4000REG __iomem * pSTGReg) -{ - u32 tmp; - - /* Enable DAC for Graphics Stream Control */ - tmp = (STG_READ_REG(DACStreamCtrl)) | SET_BIT(0); - STG_WRITE_REG(DACStreamCtrl, tmp); -} |