diff options
Diffstat (limited to 'drivers/video/mb86r0xgdc.c')
-rw-r--r-- | drivers/video/mb86r0xgdc.c | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/drivers/video/mb86r0xgdc.c b/drivers/video/mb86r0xgdc.c deleted file mode 100644 index bb7a749..0000000 --- a/drivers/video/mb86r0xgdc.c +++ /dev/null @@ -1,168 +0,0 @@ -/* - * (C) Copyright 2010 - * Matthias Weisser <weisserm@arcor.de> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* - * mb86r0xgdc.c - Graphic interface for Fujitsu MB86R0x integrated graphic - * controller. - */ - -#include <common.h> - -#include <malloc.h> -#include <asm/io.h> -#include <asm/arch/hardware.h> -#include <video_fb.h> -#include "videomodes.h" - -/* - * 4MB (at the end of system RAM) - */ -#define VIDEO_MEM_SIZE 0x400000 - -#define FB_SYNC_CLK_INV (1<<16) /* pixel clock inverted */ - -/* - * Graphic Device - */ -static GraphicDevice mb86r0x; - -static void dsp_init(struct mb86r0x_gdc_dsp *dsp, char *modestr, - u32 *videomem) -{ - struct ctfb_res_modes var_mode; - u32 dcm1, dcm2, dcm3; - u16 htp, hdp, hdb, hsp, vtr, vsp, vdp; - u8 hsw, vsw; - u32 l2m, l2em, l2oa0, l2da0, l2oa1, l2da1; - u16 l2dx, l2dy, l2wx, l2wy, l2ww, l2wh; - unsigned long div; - int bpp; - - bpp = video_get_params(&var_mode, modestr); - - if (bpp == 0) { - var_mode.xres = 640; - var_mode.yres = 480; - var_mode.pixclock = 39721; /* 25MHz */ - var_mode.left_margin = 48; - var_mode.right_margin = 16; - var_mode.upper_margin = 33; - var_mode.lower_margin = 10; - var_mode.hsync_len = 96; - var_mode.vsync_len = 2; - var_mode.sync = 0; - var_mode.vmode = 0; - bpp = 15; - } - - /* Fill memory with white */ - memset(videomem, 0xFF, var_mode.xres * var_mode.yres * 2); - - mb86r0x.winSizeX = var_mode.xres; - mb86r0x.winSizeY = var_mode.yres; - - /* LCD base clock is ~ 660MHZ. We do calculations in kHz */ - div = 660000 / (1000000000L / var_mode.pixclock); - if (div > 64) - div = 64; - if (0 == div) - div = 1; - - dcm1 = (div - 1) << 8; - dcm2 = 0x00000000; - if (var_mode.sync & FB_SYNC_CLK_INV) - dcm3 = 0x00000100; - else - dcm3 = 0x00000000; - - htp = var_mode.left_margin + var_mode.xres + - var_mode.hsync_len + var_mode.right_margin; - hdp = var_mode.xres; - hdb = var_mode.xres; - hsp = var_mode.xres + var_mode.right_margin; - hsw = var_mode.hsync_len; - - vsw = var_mode.vsync_len; - vtr = var_mode.upper_margin + var_mode.yres + - var_mode.vsync_len + var_mode.lower_margin; - vsp = var_mode.yres + var_mode.lower_margin; - vdp = var_mode.yres; - - l2m = ((var_mode.yres - 1) << (0)) | - (((var_mode.xres * 2) / 64) << (16)) | - ((1) << (31)); - - l2em = (1 << 0) | (1 << 1); - - l2oa0 = mb86r0x.frameAdrs; - l2da0 = mb86r0x.frameAdrs; - l2oa1 = mb86r0x.frameAdrs; - l2da1 = mb86r0x.frameAdrs; - l2dx = 0; - l2dy = 0; - l2wx = 0; - l2wy = 0; - l2ww = var_mode.xres; - l2wh = var_mode.yres - 1; - - writel(dcm1, &dsp->dcm1); - writel(dcm2, &dsp->dcm2); - writel(dcm3, &dsp->dcm3); - - writew(htp, &dsp->htp); - writew(hdp, &dsp->hdp); - writew(hdb, &dsp->hdb); - writew(hsp, &dsp->hsp); - writeb(hsw, &dsp->hsw); - - writeb(vsw, &dsp->vsw); - writew(vtr, &dsp->vtr); - writew(vsp, &dsp->vsp); - writew(vdp, &dsp->vdp); - - writel(l2m, &dsp->l2m); - writel(l2em, &dsp->l2em); - writel(l2oa0, &dsp->l2oa0); - writel(l2da0, &dsp->l2da0); - writel(l2oa1, &dsp->l2oa1); - writel(l2da1, &dsp->l2da1); - writew(l2dx, &dsp->l2dx); - writew(l2dy, &dsp->l2dy); - writew(l2wx, &dsp->l2wx); - writew(l2wy, &dsp->l2wy); - writew(l2ww, &dsp->l2ww); - writew(l2wh, &dsp->l2wh); - - writel(dcm1 | (1 << 18) | (1 << 31), &dsp->dcm1); -} - -void *video_hw_init(void) -{ - struct mb86r0x_gdc *gdc = (struct mb86r0x_gdc *) MB86R0x_GDC_BASE; - GraphicDevice *pGD = &mb86r0x; - char *s; - u32 *vid; - - memset(pGD, 0, sizeof(GraphicDevice)); - - pGD->gdfIndex = GDF_15BIT_555RGB; - pGD->gdfBytesPP = 2; - pGD->memSize = VIDEO_MEM_SIZE; - pGD->frameAdrs = PHYS_SDRAM + PHYS_SDRAM_SIZE - VIDEO_MEM_SIZE; - - vid = (u32 *)pGD->frameAdrs; - - s = getenv("videomode"); - if (s != NULL) - dsp_init(&gdc->dsp0, s, vid); - - s = getenv("videomode1"); - if (s != NULL) - dsp_init(&gdc->dsp1, s, vid); - - return pGD; -} |