[U-Boot] [PATCH] Add support for Jade display controller
Matthias Weisser
matthias.weisser at graf-syteco.de
Mon Jan 11 18:18:48 CET 2010
Signed-off-by: Matthias Weisser <matthias.weisser at graf-syteco.de>
---
drivers/video/Makefile | 1 +
drivers/video/cfb_console.c | 2 +-
drivers/video/jadegdc.c | 193 +++++++++++++++++++++++++++++++++++++++++++
3 files changed, 195 insertions(+), 1 deletions(-)
create mode 100644 drivers/video/jadegdc.c
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index bb6b5a0..aadc149 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -30,6 +30,7 @@ COBJS-$(CONFIG_ATMEL_LCD) += atmel_lcdfb.o
COBJS-$(CONFIG_CFB_CONSOLE) += cfb_console.o
COBJS-$(CONFIG_S6E63D6) += s6e63d6.o
COBJS-$(CONFIG_VIDEO_CT69000) += ct69000.o
+COBJS-$(CONFIG_VIDEO_JADEGDC) += jadegdc.o
COBJS-$(CONFIG_VIDEO_MB862xx) += mb862xx.o
COBJS-$(CONFIG_VIDEO_MX3) += mx3fb.o
COBJS-$(CONFIG_VIDEO_SED13806) += sed13806.o
diff --git a/drivers/video/cfb_console.c b/drivers/video/cfb_console.c
index c07a26e..506337b 100644
--- a/drivers/video/cfb_console.c
+++ b/drivers/video/cfb_console.c
@@ -321,7 +321,7 @@ void console_cursor (int state);
#else
#define SWAP16(x) (x)
#define SWAP32(x) (x)
-#if defined(VIDEO_FB_16BPP_WORD_SWAP)
+#if defined(VIDEO_FB_16BPP_WORD_SWAP) || defined(CONFIG_VIDEO_JADEGDC)
#define SHORTSWAP32(x) ( ((x) >> 16) | ((x) << 16) )
#else
#define SHORTSWAP32(x) (x)
diff --git a/drivers/video/jadegdc.c b/drivers/video/jadegdc.c
new file mode 100644
index 0000000..354de11
--- /dev/null
+++ b/drivers/video/jadegdc.c
@@ -0,0 +1,193 @@
+/*
+ * (C) Copyright 2007-2009
+ * Matthias Weisser <matthias.weisser at graf-syteco.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * jade.c - Graphic interface for Fujitsu Jade integrated graphic
+ * controller. Derived from mb862xx.c
+ */
+
+#include <common.h>
+
+#include <malloc.h>
+#include <mb862xx.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
+
+/*
+ * Graphic Device
+ */
+GraphicDevice jadegdc;
+
+void *video_hw_init(void)
+{
+ GraphicDevice *pGD = &jadegdc;
+ struct ctfb_res_modes var_mode[2];
+ unsigned long *vid;
+ unsigned long div;
+ unsigned long dspBase[2];
+ char *penv;
+ int bpp;
+ int i, j;
+
+ memset(pGD, 0, sizeof(GraphicDevice));
+
+ dspBase[0] = JADE_GDC_DISP0_PHYS_BASE;
+ dspBase[1] = JADE_GDC_DISP1_PHYS_BASE;
+
+ pGD->gdfIndex = GDF_15BIT_555RGB;
+ pGD->gdfBytesPP = 2;
+
+ pGD->memSize = VIDEO_MEM_SIZE;
+ pGD->frameAdrs = PHYS_SDRAM + PHYS_SDRAM_SIZE - VIDEO_MEM_SIZE;
+ vid = (unsigned long *)pGD->frameAdrs;
+
+ for (i = 0; i < 2; i++) {
+ char varName[32];
+ 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;
+
+ sprintf(varName, "gs_dsp_%d_param", i);
+
+ penv = getenv(varName);
+ if (penv == NULL) {
+ penv = getenv("videomode");
+ if ((i == 1) || (penv == NULL))
+ continue;
+ }
+
+ bpp = 0;
+ bpp = video_get_params(&var_mode[i], penv);
+
+ if (bpp == 0) {
+ var_mode[i].xres = 640;
+ var_mode[i].yres = 480;
+ var_mode[i].pixclock = 39721; /* 25MHz */
+ var_mode[i].left_margin = 48;
+ var_mode[i].right_margin = 16;
+ var_mode[i].upper_margin = 33;
+ var_mode[i].lower_margin = 10;
+ var_mode[i].hsync_len = 96;
+ var_mode[i].vsync_len = 2;
+ var_mode[i].sync = 0;
+ var_mode[i].vmode = 0;
+ }
+
+ for (j = 0; j < var_mode[i].xres * var_mode[i].yres / 2; j++)
+ *vid++ = 0xFFFFFFFF;
+
+ pGD->winSizeX = var_mode[i].xres;
+ pGD->winSizeY = var_mode[i].yres;
+
+ /* LCD base clock is ~ 660MHZ. We do calculations in kHz */
+ div = 660000 / (1000000000L / var_mode[i].pixclock);
+ if (div > 64)
+ div = 64;
+ if (0 == div)
+ div = 1;
+
+ dcm1 = (div - 1) << 8;
+ dcm2 = 0x00000000;
+ dcm3 = 0x00000000;
+
+ htp = var_mode[i].left_margin + var_mode[i].xres +
+ var_mode[i].hsync_len + var_mode[i].right_margin;
+ hdp = var_mode[i].xres;
+ hdb = var_mode[i].xres;
+ hsp = var_mode[i].xres + var_mode[i].right_margin;
+ hsw = var_mode[i].hsync_len;
+
+ vsw = var_mode[i].vsync_len;
+ vtr = var_mode[i].upper_margin + var_mode[i].yres +
+ var_mode[i].vsync_len + var_mode[i].lower_margin;
+ vsp = var_mode[i].yres + var_mode[i].lower_margin;
+ vdp = var_mode[i].yres;
+
+ l2m = ((var_mode[i].yres - 1) << (0)) |
+ (((var_mode[i].xres * 2) / 64) << (16)) |
+ ((1) << (31));
+
+ l2em = (1 << 0) | (1 << 1);
+
+ l2oa0 = pGD->frameAdrs;
+ l2da0 = pGD->frameAdrs;
+ l2oa1 = pGD->frameAdrs;
+ l2da1 = pGD->frameAdrs;
+ l2dx = 0;
+ l2dy = 0;
+ l2wx = 0;
+ l2wy = 0;
+ l2ww = var_mode[i].xres;
+ l2wh = var_mode[i].yres - 1;
+
+ writel(dcm1, dspBase[i] + GC_DCM1);
+ writel(dcm2, dspBase[i] + GC_DCM2);
+ writel(dcm3, dspBase[i] + GC_DCM3);
+
+ writew(htp, dspBase[i] + GC_HTP);
+ writew(hdp, dspBase[i] + GC_HDP);
+ writew(hdb, dspBase[i] + GC_HDB);
+ writew(hsp, dspBase[i] + GC_HSP);
+ writeb(hsw, dspBase[i] + GC_HSW);
+
+ writeb(vsw, dspBase[i] + GC_VSW);
+ writew(vtr, dspBase[i] + GC_VTR);
+ writew(vsp, dspBase[i] + GC_VSP);
+ writew(vdp, dspBase[i] + GC_VDP);
+
+ writel(l2m, dspBase[i] + GC_L2M);
+ writel(l2em, dspBase[i] + GC_L2EM);
+ writel(l2oa0, dspBase[i] + GC_L2OA0);
+ writel(l2da0, dspBase[i] + GC_L2DA0);
+ writel(l2oa1, dspBase[i] + GC_L2OA1);
+ writel(l2da1, dspBase[i] + GC_L2DA1);
+ writew(l2dx, dspBase[i] + GC_L2DX);
+ writew(l2dy, dspBase[i] + GC_L2DY);
+ writew(l2wx, dspBase[i] + GC_L2WX);
+ writew(l2wy, dspBase[i] + GC_L2WY);
+ writew(l2ww, dspBase[i] + GC_L2WW);
+ writew(l2wh, dspBase[i] + GC_L2WH);
+
+ writel(dcm1 | (1 << 18) | (1 << 31), dspBase[i] + GC_DCM1);
+ }
+
+ return pGD;
+}
+
+/*
+ * Set a RGB color in the LUT
+ */
+void video_set_lut(unsigned int index, unsigned char r,
+ unsigned char g, unsigned char b)
+{
+
+}
--
1.5.6.3
More information about the U-Boot
mailing list