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-rw-r--r--drivers/video/Kconfig31
-rw-r--r--drivers/video/Makefile1
-rw-r--r--drivers/video/cfb_console.c10
-rw-r--r--drivers/video/ct69000.c1168
4 files changed, 2 insertions, 1208 deletions
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 61dfed8..082cc4a 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -562,36 +562,9 @@ config CONSOLE_SCROLL_LINES
console jump but can help speed up operation when scrolling
is slow.
-config VIDEO_CT69000
- bool "Enable Chips & Technologies 69000 video driver"
- depends on VIDEO
- help
- This enables a frame buffer driver for the Chips & Technologies
- ct69000, a fairly old graphics device (circa 2000) which is used
- on some hardware. It operates over the ISA bus, and supports
- some acceleration features.
-
- For the CT69000 and SMI_LYNXEM drivers, videomode is
- selected via environment 'videomode'. Two different ways
- are possible:
- - "videomode=num" 'num' is a standard LiLo mode numbers.
- Following standard modes are supported (* is default):
-
- Colors 640x480 800x600 1024x768 1152x864 1280x1024
- -------------+---------------------------------------------
- 8 bits | 0x301* 0x303 0x305 0x161 0x307
- 15 bits | 0x310 0x313 0x316 0x162 0x319
- 16 bits | 0x311 0x314 0x317 0x163 0x31A
- 24 bits | 0x312 0x315 0x318 ? 0x31B
- -------------+---------------------------------------------
- (i.e. setenv videomode 317; saveenv; reset;)
-
- - "videomode=bootargs" all the video parameters are parsed
- from the bootargs. (See drivers/video/videomodes.c)
-
config SYS_CONSOLE_BG_COL
hex "Background colour"
- depends on CFB_CONSOLE || VIDEO_CT69000
+ depends on CFB_CONSOLE
default 0x00
help
Defines the background colour for the console. The value is from
@@ -602,7 +575,7 @@ config SYS_CONSOLE_BG_COL
config SYS_CONSOLE_FG_COL
hex "Foreground colour"
- depends on CFB_CONSOLE || VIDEO_CT69000
+ depends on CFB_CONSOLE
default 0xa0
help
Defines the foreground colour for the console. The value is from
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index 847b880..5cf8909 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -35,7 +35,6 @@ obj-$(CONFIG_S6E63D6) += s6e63d6.o
obj-$(CONFIG_LD9040) += ld9040.o
obj-$(CONFIG_VIDEO_BCM2835) += bcm2835.o
obj-$(CONFIG_VIDEO_COREBOOT) += coreboot.o
-obj-$(CONFIG_VIDEO_CT69000) += ct69000.o videomodes.o
obj-$(CONFIG_VIDEO_DA8XX) += da8xx-fb.o videomodes.o
obj-$(CONFIG_VIDEO_LCD_ANX9804) += anx9804.o
obj-$(CONFIG_VIDEO_LCD_HITACHI_TX18D42VM) += hitachi_tx18d42vm_lcd.o
diff --git a/drivers/video/cfb_console.c b/drivers/video/cfb_console.c
index f548020..b6fc7e1 100644
--- a/drivers/video/cfb_console.c
+++ b/drivers/video/cfb_console.c
@@ -72,16 +72,6 @@
#include <video.h>
#include <linux/compiler.h>
-/*
- * Defines for the CT69000 driver
- */
-#ifdef CONFIG_VIDEO_CT69000
-
-#define VIDEO_FB_LITTLE_ENDIAN
-#define VIDEO_HW_RECTFILL
-#define VIDEO_HW_BITBLT
-#endif
-
#if defined(CONFIG_VIDEO_MXS)
#define VIDEO_FB_16BPP_WORD_SWAP
#endif
diff --git a/drivers/video/ct69000.c b/drivers/video/ct69000.c
deleted file mode 100644
index a74e4e6..0000000
--- a/drivers/video/ct69000.c
+++ /dev/null
@@ -1,1168 +0,0 @@
-/* ported from ctfb.c (linux kernel):
- * Created in Jan - July 2000 by Thomas Höhenleitner <th@visuelle-maschinen.de>
- *
- * Ported to U-Boot:
- * (C) Copyright 2002 Denis Peter, MPL AG Switzerland
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-
-#ifdef CONFIG_VIDEO
-
-#include <pci.h>
-#include <video_fb.h>
-#include "videomodes.h"
-
-/* debug */
-#undef VGA_DEBUG
-#undef VGA_DUMP_REG
-#ifdef VGA_DEBUG
-#undef _DEBUG
-#define _DEBUG 1
-#else
-#undef _DEBUG
-#define _DEBUG 0
-#endif
-
-/* Macros */
-#ifndef min
-#define min( a, b ) ( ( a ) < ( b ) ) ? ( a ) : ( b )
-#endif
-#ifndef max
-#define max( a, b ) ( ( a ) > ( b ) ) ? ( a ) : ( b )
-#endif
-#ifdef minmax
-#error "term minmax already used."
-#endif
-#define minmax( a, x, b ) max( ( a ), min( ( x ), ( b ) ) )
-#define N_ELTS( x ) ( sizeof( x ) / sizeof( x[ 0 ] ) )
-
-/* CT Register Offsets */
-#define CT_AR_O 0x3c0 /* Index and Data write port of the attribute Registers */
-#define CT_GR_O 0x3ce /* Index port of the Graphic Controller Registers */
-#define CT_SR_O 0x3c4 /* Index port of the Sequencer Controller */
-#define CT_CR_O 0x3d4 /* Index port of the CRT Controller */
-#define CT_XR_O 0x3d6 /* Extended Register index */
-#define CT_MSR_W_O 0x3c2 /* Misc. Output Register (write only) */
-#define CT_LUT_MASK_O 0x3c6 /* Color Palette Mask */
-#define CT_LUT_START_O 0x3c8 /* Color Palette Write Mode Index */
-#define CT_LUT_RGB_O 0x3c9 /* Color Palette Data Port */
-#define CT_STATUS_REG0_O 0x3c2 /* Status Register 0 (read only) */
-#define CT_STATUS_REG1_O 0x3da /* Input Status Register 1 (read only) */
-
-#define CT_FP_O 0x3d0 /* Index port of the Flat panel Registers */
-#define CT_MR_O 0x3d2 /* Index Port of the Multimedia Extension */
-
-/* defines for the memory mapped registers */
-#define BR00_o 0x400000 /* Source and Destination Span Register */
-#define BR01_o 0x400004 /* Pattern/Source Expansion Background Color & Transparency Key Register */
-#define BR02_o 0x400008 /* Pattern/Source Expansion Foreground Color Register */
-#define BR03_o 0x40000C /* Monochrome Source Control Register */
-#define BR04_o 0x400010 /* BitBLT Control Register */
-#define BR05_o 0x400014 /* Pattern Address Registe */
-#define BR06_o 0x400018 /* Source Address Register */
-#define BR07_o 0x40001C /* Destination Address Register */
-#define BR08_o 0x400020 /* Destination Width & Height Register */
-#define BR09_o 0x400024 /* Source Expansion Background Color & Transparency Key Register */
-#define BR0A_o 0x400028 /* Source Expansion Foreground Color Register */
-
-#define CURSOR_SIZE 0x1000 /* in KByte for HW Cursor */
-#define PATTERN_ADR (pGD->dprBase + CURSOR_SIZE) /* pattern Memory after Cursor Memory */
-#define PATTERN_SIZE 8*8*4 /* 4 Bytes per Pixel 8 x 8 Pixel */
-#define ACCELMEMORY (CURSOR_SIZE + PATTERN_SIZE) /* reserved Memory for BITBlt and hw cursor */
-
-/* Some Mode definitions */
-#define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */
-#define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */
-#define FB_SYNC_EXT 4 /* external sync */
-#define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */
-#define FB_SYNC_BROADCAST 16 /* broadcast video timings */
- /* vtotal = 144d/288n/576i => PAL */
- /* vtotal = 121d/242n/484i => NTSC */
-#define FB_SYNC_ON_GREEN 32 /* sync on green */
-
-#define FB_VMODE_NONINTERLACED 0 /* non interlaced */
-#define FB_VMODE_INTERLACED 1 /* interlaced */
-#define FB_VMODE_DOUBLE 2 /* double scan */
-#define FB_VMODE_MASK 255
-
-#define FB_VMODE_YWRAP 256 /* ywrap instead of panning */
-#define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */
-#define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */
-
-#define text 0
-#define fntwidth 8
-
-/* table for VGA Initialization */
-typedef struct {
- const unsigned char reg;
- const unsigned char val;
-} CT_CFG_TABLE;
-
-/* this table provides some basic initialisations such as Memory Clock etc */
-static CT_CFG_TABLE xreg[] = {
- {0x09, 0x01}, /* CRT Controller Extensions Enable */
- {0x0A, 0x02}, /* Frame Buffer Mapping */
- {0x0B, 0x01}, /* PCI Write Burst support */
- {0x20, 0x00}, /* BitBLT Configuration */
- {0x40, 0x03}, /* Memory Access Control */
- {0x60, 0x00}, /* Video Pin Control */
- {0x61, 0x00}, /* DPMS Synch control */
- {0x62, 0x00}, /* GPIO Pin Control */
- {0x63, 0xBD}, /* GPIO Pin Data */
- {0x67, 0x00}, /* Pin Tri-State */
- {0x80, 0x80}, /* Pixel Pipeline Config 0 register */
- {0xA0, 0x00}, /* Cursor 1 Control Reg */
- {0xA1, 0x00}, /* Cursor 1 Vertical Extension Reg */
- {0xA2, 0x00}, /* Cursor 1 Base Address Low */
- {0xA3, 0x00}, /* Cursor 1 Base Address High */
- {0xA4, 0x00}, /* Cursor 1 X-Position Low */
- {0xA5, 0x00}, /* Cursor 1 X-Position High */
- {0xA6, 0x00}, /* Cursor 1 Y-Position Low */
- {0xA7, 0x00}, /* Cursor 1 Y-Position High */
- {0xA8, 0x00}, /* Cursor 2 Control Reg */
- {0xA9, 0x00}, /* Cursor 2 Vertical Extension Reg */
- {0xAA, 0x00}, /* Cursor 2 Base Address Low */
- {0xAB, 0x00}, /* Cursor 2 Base Address High */
- {0xAC, 0x00}, /* Cursor 2 X-Position Low */
- {0xAD, 0x00}, /* Cursor 2 X-Position High */
- {0xAE, 0x00}, /* Cursor 2 Y-Position Low */
- {0xAF, 0x00}, /* Cursor 2 Y-Position High */
- {0xC0, 0x7D}, /* Dot Clock 0 VCO M-Divisor */
- {0xC1, 0x07}, /* Dot Clock 0 VCO N-Divisor */
- {0xC3, 0x34}, /* Dot Clock 0 Divisor select */
- {0xC4, 0x55}, /* Dot Clock 1 VCO M-Divisor */
- {0xC5, 0x09}, /* Dot Clock 1 VCO N-Divisor */
- {0xC7, 0x24}, /* Dot Clock 1 Divisor select */
- {0xC8, 0x7D}, /* Dot Clock 2 VCO M-Divisor */
- {0xC9, 0x07}, /* Dot Clock 2 VCO N-Divisor */
- {0xCB, 0x34}, /* Dot Clock 2 Divisor select */
- {0xCC, 0x38}, /* Memory Clock 0 VCO M-Divisor */
- {0xCD, 0x03}, /* Memory Clock 0 VCO N-Divisor */
- {0xCE, 0x90}, /* Memory Clock 0 Divisor select */
- {0xCF, 0x06}, /* Clock Config */
- {0xD0, 0x0F}, /* Power Down */
- {0xD1, 0x01}, /* Power Down BitBLT */
- {0xFF, 0xFF} /* end of table */
-};
-/* Clock Config:
- * =============
- *
- * PD Registers:
- * -------------
- * Bit2 and Bit4..6 are used for the Loop Divisor and Post Divisor.
- * They are encoded as follows:
- *
- * +---+--------------+
- * | 2 | Loop Divisor |
- * +---+--------------+
- * | 1 | 1 |
- * +---+--------------+
- * | 0 | 4 |
- * +---+--------------+
- * Note: The Memory Clock does not have a Loop Divisor.
- * +---+---+---+--------------+
- * | 6 | 5 | 4 | Post Divisor |
- * +---+---+---+--------------+
- * | 0 | 0 | 0 | 1 |
- * +---+---+---+--------------+
- * | 0 | 0 | 1 | 2 |
- * +---+---+---+--------------+
- * | 0 | 1 | 0 | 4 |
- * +---+---+---+--------------+
- * | 0 | 1 | 1 | 8 |
- * +---+---+---+--------------+
- * | 1 | 0 | 0 | 16 |
- * +---+---+---+--------------+
- * | 1 | 0 | 1 | 32 |
- * +---+---+---+--------------+
- * | 1 | 1 | X | reserved |
- * +---+---+---+--------------+
- *
- * All other bits are reserved in these registers.
- *
- * Clock VCO M Registers:
- * ----------------------
- * These Registers contain the M Value -2.
- *
- * Clock VCO N Registers:
- * ----------------------
- * These Registers contain the N Value -2.
- *
- * Formulas:
- * ---------
- * Fvco = (Fref * Loop Divisor * M/N), whereas 100MHz < Fvco < 220MHz
- * Fout = Fvco / Post Divisor
- *
- * Dot Clk0 (default 25MHz):
- * -------------------------
- * Fvco = 14.318 * 127 / 9 = 202.045MHz
- * Fout = 202.045MHz / 8 = 25.25MHz
- * Post Divisor = 8
- * Loop Divisor = 1
- * XRC0 = (M - 2) = 125 = 0x7D
- * XRC1 = (N - 2) = 7 = 0x07
- * XRC3 = 0x34
- *
- * Dot Clk1 (default 28MHz):
- * -------------------------
- * Fvco = 14.318 * 87 / 11 = 113.24MHz
- * Fout = 113.24MHz / 4 = 28.31MHz
- * Post Divisor = 4
- * Loop Divisor = 1
- * XRC4 = (M - 2) = 85 = 0x55
- * XRC5 = (N - 2) = 9 = 0x09
- * XRC7 = 0x24
- *
- * Dot Clk2 (variable for extended modes set to 25MHz):
- * ----------------------------------------------------
- * Fvco = 14.318 * 127 / 9 = 202.045MHz
- * Fout = 202.045MHz / 8 = 25.25MHz
- * Post Divisor = 8
- * Loop Divisor = 1
- * XRC8 = (M - 2) = 125 = 0x7D
- * XRC9 = (N - 2) = 7 = 0x07
- * XRCB = 0x34
- *
- * Memory Clk for most modes >50MHz:
- * ----------------------------------
- * Fvco = 14.318 * 58 / 5 = 166MHz
- * Fout = 166MHz / 2 = 83MHz
- * Post Divisor = 2
- * XRCC = (M - 2) = 57 = 0x38
- * XRCD = (N - 2) = 3 = 0x03
- * XRCE = 0x90
- *
- * Note Bit7 enables the clock source from the VCO
- *
- */
-
-/*******************************************************************
- * Chips struct
- *******************************************************************/
-struct ctfb_chips_properties {
- int device_id; /* PCI Device ID */
- unsigned long max_mem; /* memory for frame buffer */
- int vld_set; /* value of VLD if bit2 in clock control is set */
- int vld_not_set; /* value of VLD if bit2 in clock control is set */
- int mn_diff; /* difference between M/N Value + mn_diff = M/N Register */
- int mn_min; /* min value of M/N Value */
- int mn_max; /* max value of M/N Value */
- int vco_min; /* VCO Min in MHz */
- int vco_max; /* VCO Max in MHz */
-};
-
-static const struct ctfb_chips_properties chips[] = {
- {PCI_DEVICE_ID_CT_69000, 0x200000, 1, 4, -2, 3, 257, 100, 220},
- {PCI_DEVICE_ID_CT_65555, 0x100000, 16, 4, 0, 1, 255, 48, 220}, /* NOT TESTED */
- {0, 0, 0, 0, 0, 0, 0, 0, 0} /* Terminator */
-};
-
-/*
- * The Graphic Device
- */
-GraphicDevice ctfb;
-
-/*******************************************************************************
-*
-* Low Level Routines
-*/
-
-/*******************************************************************************
-*
-* Read CT ISA register
-*/
-#ifdef VGA_DEBUG
-static unsigned char
-ctRead (unsigned short index)
-{
- GraphicDevice *pGD = (GraphicDevice *) & ctfb;
- if (index == CT_AR_O)
- /* synch the Flip Flop */
- in8 (pGD->isaBase + CT_STATUS_REG1_O);
-
- return (in8 (pGD->isaBase + index));
-}
-#endif
-/*******************************************************************************
-*
-* Write CT ISA register
-*/
-static void
-ctWrite (unsigned short index, unsigned char val)
-{
- GraphicDevice *pGD = (GraphicDevice *) & ctfb;
-
- out8 ((pGD->isaBase + index), val);
-}
-
-/*******************************************************************************
-*
-* Read CT ISA register indexed
-*/
-static unsigned char
-ctRead_i (unsigned short index, char reg)
-{
- GraphicDevice *pGD = (GraphicDevice *) & ctfb;
- if (index == CT_AR_O)
- /* synch the Flip Flop */
- in8 (pGD->isaBase + CT_STATUS_REG1_O);
- out8 ((pGD->isaBase + index), reg);
- return (in8 (pGD->isaBase + index + 1));
-}
-
-/*******************************************************************************
-*
-* Write CT ISA register indexed
-*/
-static void
-ctWrite_i (unsigned short index, char reg, char val)
-{
- GraphicDevice *pGD = (GraphicDevice *) & ctfb;
- if (index == CT_AR_O) {
- /* synch the Flip Flop */
- in8 (pGD->isaBase + CT_STATUS_REG1_O);
- out8 ((pGD->isaBase + index), reg);
- out8 ((pGD->isaBase + index), val);
- } else {
- out8 ((pGD->isaBase + index), reg);
- out8 ((pGD->isaBase + index + 1), val);
- }
-}
-
-/*******************************************************************************
-*
-* Write a table of CT ISA register
-*/
-static void
-ctLoadRegs (unsigned short index, CT_CFG_TABLE * regTab)
-{
- while (regTab->reg != 0xFF) {
- ctWrite_i (index, regTab->reg, regTab->val);
- regTab++;
- }
-}
-
-/*****************************************************************************/
-static void
-SetArRegs (void)
-{
- int i, tmp;
-
- for (i = 0; i < 0x10; i++)
- ctWrite_i (CT_AR_O, i, i);
- if (text)
- tmp = 0x04;
- else
- tmp = 0x41;
-
- ctWrite_i (CT_AR_O, 0x10, tmp); /* Mode Control Register */
- ctWrite_i (CT_AR_O, 0x11, 0x00); /* Overscan Color Register */
- ctWrite_i (CT_AR_O, 0x12, 0x0f); /* Memory Plane Enable Register */
- if (fntwidth == 9)
- tmp = 0x08;
- else
- tmp = 0x00;
- ctWrite_i (CT_AR_O, 0x13, tmp); /* Horizontal Pixel Panning */
- ctWrite_i (CT_AR_O, 0x14, 0x00); /* Color Select Register */
- ctWrite (CT_AR_O, 0x20); /* enable video */
-}
-
-/*****************************************************************************/
-static void
-SetGrRegs (void)
-{ /* Set Graphics Mode */
- int i;
-
- for (i = 0; i < 0x05; i++)
- ctWrite_i (CT_GR_O, i, 0);
- if (text) {
- ctWrite_i (CT_GR_O, 0x05, 0x10);
- ctWrite_i (CT_GR_O, 0x06, 0x02);
- } else {
- ctWrite_i (CT_GR_O, 0x05, 0x40);
- ctWrite_i (CT_GR_O, 0x06, 0x05);
- }
- ctWrite_i (CT_GR_O, 0x07, 0x0f);
- ctWrite_i (CT_GR_O, 0x08, 0xff);
-}
-
-/*****************************************************************************/
-static void
-SetSrRegs (void)
-{
- int tmp = 0;
-
- ctWrite_i (CT_SR_O, 0x00, 0x00); /* reset */
- /*rr( sr, 0x01, tmp );
- if( fntwidth == 8 ) tmp |= 0x01; else tmp &= ~0x01;
- wr( sr, 0x01, tmp ); */
- if (fntwidth == 8)
- ctWrite_i (CT_SR_O, 0x01, 0x01); /* Clocking Mode Register */
- else
- ctWrite_i (CT_SR_O, 0x01, 0x00); /* Clocking Mode Register */
- ctWrite_i (CT_SR_O, 0x02, 0x0f); /* Enable CPU wr access to given memory plane */
- ctWrite_i (CT_SR_O, 0x03, 0x00); /* Character Map Select Register */
- if (text)
- tmp = 0x02;
- else
- tmp = 0x0e;
- ctWrite_i (CT_SR_O, 0x04, tmp); /* Enable CPU accesses to the rest of the 256KB
- total VGA memory beyond the first 64KB and set
- fb mapping mode. */
- ctWrite_i (CT_SR_O, 0x00, 0x03); /* enable */
-}
-
-/*****************************************************************************/
-static void
-SetBitsPerPixelIntoXrRegs (int bpp)
-{
- unsigned int n = (bpp >> 3), tmp; /* only for 15, 8, 16, 24 bpp */
- static char md[4] = { 0x04, 0x02, 0x05, 0x06 }; /* DisplayColorMode */
- static char off[4] = { ~0x20, ~0x30, ~0x20, ~0x10 }; /* mask */
- static char on[4] = { 0x10, 0x00, 0x10, 0x20 }; /* mask */
- if (bpp == 15)
- n = 0;
- tmp = ctRead_i (CT_XR_O, 0x20);
- tmp &= off[n];
- tmp |= on[n];
- ctWrite_i (CT_XR_O, 0x20, tmp); /* BitBLT Configuration */
- ctWrite_i (CT_XR_O, 0x81, md[n]);
-}
-
-/*****************************************************************************/
-static void
-SetCrRegs (struct ctfb_res_modes *var, int bits_per_pixel)
-{ /* he -le- ht|0 hd -ri- hs -h- he */
- unsigned char cr[0x7a];
- int i, tmp;
- unsigned int hd, hs, he, ht, hbe; /* Horizontal. */
- unsigned int vd, vs, ve, vt; /* vertical */
- unsigned int bpp, wd, dblscan, interlaced, bcast, CrtHalfLine;
- unsigned int CompSyncCharClkDelay, CompSyncPixelClkDelay;
- unsigned int NTSC_PAL_HorizontalPulseWidth, BlDelayCtrl;
- unsigned int HorizontalEqualizationPulses;
- unsigned int HorizontalSerration1Start, HorizontalSerration2Start;
-
- const int LineCompare = 0x3ff;
- unsigned int TextScanLines = 1; /* this is in fact a vertical zoom factor */
- unsigned int RAMDAC_BlankPedestalEnable = 0; /* 1=en-, 0=disable, see XR82 */
-
- hd = (var->xres) / 8; /* HDisp. */
- hs = (var->xres + var->right_margin) / 8; /* HsStrt */
- he = (var->xres + var->right_margin + var->hsync_len) / 8; /* HsEnd */
- ht = (var->left_margin + var->xres + var->right_margin + var->hsync_len) / 8; /* HTotal */
- hbe = ht - 1; /* HBlankEnable todo docu wants ht here, but it does not work */
- /* ve -up- vt|0 vd -lo- vs -v- ve */
- vd = var->yres; /* VDisplay */
- vs = var->yres + var->lower_margin; /* VSyncStart */
- ve = var->yres + var->lower_margin + var->vsync_len; /* VSyncEnd */
- vt = var->upper_margin + var->yres + var->lower_margin + var->vsync_len; /* VTotal */
- bpp = bits_per_pixel;
- dblscan = (var->vmode & FB_VMODE_DOUBLE) ? 1 : 0;
- interlaced = var->vmode & FB_VMODE_INTERLACED;
- bcast = var->sync & FB_SYNC_BROADCAST;
- CrtHalfLine = bcast ? (hd >> 1) : 0;
- BlDelayCtrl = bcast ? 1 : 0;
- CompSyncCharClkDelay = 0; /* 2 bit */
- CompSyncPixelClkDelay = 0; /* 3 bit */
- if (bcast) {
- NTSC_PAL_HorizontalPulseWidth = 7; /*( var->hsync_len >> 1 ) + 1 */
- HorizontalEqualizationPulses = 0; /* inverse value */
- HorizontalSerration1Start = 31; /* ( ht >> 1 ) */
- HorizontalSerration2Start = 89; /* ( ht >> 1 ) */
- } else {
- NTSC_PAL_HorizontalPulseWidth = 0;
- /* 4 bit: hsync pulse width = ( ( CR74[4:0] - CR74[5] )
- * / 2 ) + 1 --> CR74[4:0] = 2*(hs-1) + CR74[5] */
- HorizontalEqualizationPulses = 1; /* inverse value */
- HorizontalSerration1Start = 0; /* ( ht >> 1 ) */
- HorizontalSerration2Start = 0; /* ( ht >> 1 ) */
- }
-
- if (bpp == 15)
- bpp = 16;
- wd = var->xres * bpp / 64; /* double words per line */
- if (interlaced) { /* we divide all vertical timings, exept vd */
- vs >>= 1;
- ve >>= 1;
- vt >>= 1;
- }
- memset (cr, 0, sizeof (cr));
- cr[0x00] = 0xff & (ht - 5);
- cr[0x01] = hd - 1; /* soll:4f ist 59 */
- cr[0x02] = hd;
- cr[0x03] = (hbe & 0x1F) | 0x80; /* hd + ht - hd */
- cr[0x04] = hs;
- cr[0x05] = ((hbe & 0x20) << 2) | (he & 0x1f);
- cr[0x06] = (vt - 2) & 0xFF;
- cr[0x30] = (vt - 2) >> 8;
- cr[0x07] = ((vt & 0x100) >> 8)
- | ((vd & 0x100) >> 7)
- | ((vs & 0x100) >> 6)
- | ((vs & 0x100) >> 5)
- | ((LineCompare & 0x100) >> 4)
- | ((vt & 0x200) >> 4)
- | ((vd & 0x200) >> 3)
- | ((vs & 0x200) >> 2);
- cr[0x08] = 0x00;
- cr[0x09] = (dblscan << 7)
- | ((LineCompare & 0x200) >> 3)
- | ((vs & 0x200) >> 4)
- | (TextScanLines - 1);
- cr[0x10] = vs & 0xff; /* VSyncPulseStart */
- cr[0x32] = (vs & 0xf00) >> 8; /* VSyncPulseStart */
- cr[0x11] = (ve & 0x0f); /* | 0x20; */
- cr[0x12] = (vd - 1) & 0xff; /* LineCount */
- cr[0x31] = ((vd - 1) & 0xf00) >> 8; /* LineCount */
- cr[0x13] = wd & 0xff;
- cr[0x41] = (wd & 0xf00) >> 8;
- cr[0x15] = vs & 0xff;
- cr[0x33] = (vs & 0xf00) >> 8;
- cr[0x38] = (0x100 & (ht - 5)) >> 8;
- cr[0x3C] = 0xc0 & hbe;
- cr[0x16] = (vt - 1) & 0xff; /* vbe - docu wants vt here, */
- cr[0x17] = 0xe3; /* but it does not work */
- cr[0x18] = 0xff & LineCompare;
- cr[0x22] = 0xff; /* todo? */
- cr[0x70] = interlaced ? (0x80 | CrtHalfLine) : 0x00; /* check:0xa6 */
- cr[0x71] = 0x80 | (RAMDAC_BlankPedestalEnable << 6)
- | (BlDelayCtrl << 5)
- | ((0x03 & CompSyncCharClkDelay) << 3)
- | (0x07 & CompSyncPixelClkDelay); /* todo: see XR82 */
- cr[0x72] = HorizontalSerration1Start;
- cr[0x73] = HorizontalSerration2Start;
- cr[0x74] = (HorizontalEqualizationPulses << 5)
- | NTSC_PAL_HorizontalPulseWidth;
- /* todo: ct69000 has also 0x75-79 */
- /* now set the registers */
- for (i = 0; i <= 0x0d; i++) { /*CR00 .. CR0D */
- ctWrite_i (CT_CR_O, i, cr[i]);
- }
- for (i = 0x10; i <= 0x18; i++) { /*CR10 .. CR18 */
- ctWrite_i (CT_CR_O, i, cr[i]);
- }
- i = 0x22; /*CR22 */
- ctWrite_i (CT_CR_O, i, cr[i]);
- for (i = 0x30; i <= 0x33; i++) { /*CR30 .. CR33 */
- ctWrite_i (CT_CR_O, i, cr[i]);
- }
- i = 0x38; /*CR38 */
- ctWrite_i (CT_CR_O, i, cr[i]);
- i = 0x3C; /*CR3C */
- ctWrite_i (CT_CR_O, i, cr[i]);
- for (i = 0x40; i <= 0x41; i++) { /*CR40 .. CR41 */
- ctWrite_i (CT_CR_O, i, cr[i]);
- }
- for (i = 0x70; i <= 0x74; i++) { /*CR70 .. CR74 */
- ctWrite_i (CT_CR_O, i, cr[i]);
- }
- tmp = ctRead_i (CT_CR_O, 0x40);
- tmp &= 0x0f;
- tmp |= 0x80;
- ctWrite_i (CT_CR_O, 0x40, tmp); /* StartAddressEnable */
-}
-
-/* pixelclock control */
-
-/*****************************************************************************
- We have a rational number p/q and need an m/n which is very close to p/q
- but has m and n within mnmin and mnmax. We have no floating point in the
- kernel. We can use long long without divide. And we have time to compute...
-******************************************************************************/
-static unsigned int
-FindBestPQFittingMN (unsigned int p, unsigned int q, unsigned int mnmin,
- unsigned int mnmax, unsigned int *pm, unsigned int *pn)
-{
- /* this code is not for general purpose usable but good for our number ranges */
- unsigned int n = mnmin, m = 0;
- long long int L = 0, P = p, Q = q, H = P >> 1;
- long long int D = 0x7ffffffffffffffLL;
- for (n = mnmin; n <= mnmax; n++) {
- m = mnmin; /* p/q ~ m/n -> p*n ~ m*q -> p*n-x*q ~ 0 */
- L = P * n - m * Q; /* n * vco - m * fref should be near 0 */
- while (L > 0 && m < mnmax) {
- L -= q; /* difference is greater as 0 subtract fref */
- m++; /* and increment m */
- }
- /* difference is less or equal than 0 or m > maximum */
- if (m > mnmax)
- break; /* no solution: if we increase n we get the same situation */
- /* L is <= 0 now */
- if (-L > H && m > mnmin) { /* if difference > the half fref */
- L += q; /* we take the situation before */
- m--; /* because its closer to 0 */
- }
- L = (L < 0) ? -L : +L; /* absolute value */
- if (D < L) /* if last difference was better take next n */
- continue;
- D = L;
- *pm = m;
- *pn = n; /* keep improved data */
- if (D == 0)
- break; /* best result we can get */
- }
- return (unsigned int) (0xffffffff & D);
-}
-
-/* that is the hardware < 69000 we have to manage
- +---------+ +-------------------+ +----------------------+ +--+
- | REFCLK |__|NTSC Divisor Select|__|FVCO Reference Divisor|__|÷N|__
- | 14.3MHz | |(NTSCDS) (÷1, ÷5) | |Select (RDS) (÷1, ÷4) | | | |
- +---------+ +-------------------+ +----------------------+ +--+ |
- ___________________________________________________________________|
- |
- | fvco fout
- | +--------+ +------------+ +-----+ +-------------------+ +----+
- +-| Phase |__|Charge Pump |__| VCO |_____|Post Divisor (PD) |___|CLK |--->
- +-| Detect | |& Filter VCO| | | | |÷1, 2, 4, 8, 16, 32| | |
- | +--------+ +------------+ +-----+ | +-------------------+ +----+
- | |
- | +--+ +---------------+ |
- |____|÷M|___|VCO Loop Divide|__________|
- | | |(VLD)(÷4, ÷16) |
- +--+ +---------------+
-****************************************************************************
- that is the hardware >= 69000 we have to manage
- +---------+ +--+
- | REFCLK |__|÷N|__
- | 14.3MHz | | | |
- +---------+ +--+ |
- __________________|
- |
- | fvco fout
- | +--------+ +------------+ +-----+ +-------------------+ +----+
- +-| Phase |__|Charge Pump |__| VCO |_____|Post Divisor (PD) |___|CLK |--->
- +-| Detect | |& Filter VCO| | | | |÷1, 2, 4, 8, 16, 32| | |
- | +--------+ +------------+ +-----+ | +-------------------+ +----+
- | |
- | +--+ +---------------+ |
- |____|÷M|___|VCO Loop Divide|__________|
- | | |(VLD)(÷1, ÷4) |
- +--+ +---------------+
-
-
-*/
-
-#define VIDEO_FREF 14318180; /* Hz */
-/*****************************************************************************/
-static int
-ReadPixClckFromXrRegsBack (struct ctfb_chips_properties *param)
-{
- unsigned int m, n, vld, pd, PD, fref, xr_cb, i, pixclock;
- i = 0;
- pixclock = -1;
- fref = VIDEO_FREF;
- m = ctRead_i (CT_XR_O, 0xc8);
- n = ctRead_i (CT_XR_O, 0xc9);
- m -= param->mn_diff;
- n -= param->mn_diff;
- xr_cb = ctRead_i (CT_XR_O, 0xcb);
- PD = (0x70 & xr_cb) >> 4;
- pd = 1;
- for (i = 0; i < PD; i++) {
- pd *= 2;
- }
- vld = (0x04 & xr_cb) ? param->vld_set : param->vld_not_set;
- if (n * vld * m) {
- unsigned long long p = 1000000000000LL * pd * n;
- unsigned long long q = (long long) fref * vld * m;
- while ((p > 0xffffffffLL) || (q > 0xffffffffLL)) {
- p >>= 1; /* can't divide with long long so we scale down */
- q >>= 1;
- }
- pixclock = (unsigned) p / (unsigned) q;
- } else
- printf ("Invalid data in xr regs.\n");
- return pixclock;
-}
-
-/*****************************************************************************/
-static void
-FindAndSetPllParamIntoXrRegs (unsigned int pixelclock,
- struct ctfb_chips_properties *param)
-{
- unsigned int m, n, vld, pd, PD, fref, xr_cb;
- unsigned int fvcomin, fvcomax, pclckmin, pclckmax, pclk;
- unsigned int pfreq, fvco, new_pixclock;
- unsigned int D,nback,mback;
-
- fref = VIDEO_FREF;
- pd = 1;
- PD = 0;
- fvcomin = param->vco_min;
- fvcomax = param->vco_max; /* MHz */
- pclckmin = 1000000 / fvcomax + 1; /* 4546 */
- pclckmax = 32000000 / fvcomin - 1; /* 666665 */
- pclk = minmax (pclckmin, pixelclock, pclckmax); /* ps pp */
- pfreq = 250 * (4000000000U / pclk);
- fvco = pfreq; /* Hz */
- new_pixclock = 0;
- while (fvco < fvcomin * 1000000) {
- /* double VCO starting with the pixelclock frequency
- * as long as it is lower than the minimal VCO frequency */
- fvco *= 2;
- pd *= 2;
- PD++;
- }
- /* fvco is exactly pd * pixelclock and higher than the ninmal VCO frequency */
- /* first try */
- vld = param->vld_set;
- D=FindBestPQFittingMN (fvco / vld, fref, param->mn_min, param->mn_max, &m, &n); /* rds = 1 */
- mback=m;
- nback=n;
- /* second try */
- vld = param->vld_not_set;
- if(D<FindBestPQFittingMN (fvco / vld, fref, param->mn_min, param->mn_max, &m, &n)) { /* rds = 1 */
- /* first try was better */
- m=mback;
- n=nback;
- vld = param->vld_set;
- }
- m += param->mn_diff;
- n += param->mn_diff;
- debug("VCO %d, pd %d, m %d n %d vld %d\n", fvco, pd, m, n, vld);
- xr_cb = ((0x7 & PD) << 4) | (vld == param->vld_set ? 0x04 : 0);
- /* All four of the registers used for dot clock 2 (XRC8 - XRCB) must be
- * written, and in order from XRC8 to XRCB, before the hardware will
- * update the synthesizer s settings.
- */
- ctWrite_i (CT_XR_O, 0xc8, m);
- ctWrite_i (CT_XR_O, 0xc9, n); /* xrca does not exist in CT69000 and CT69030 */
- ctWrite_i (CT_XR_O, 0xca, 0); /* because of a hw bug I guess, but we write */
- ctWrite_i (CT_XR_O, 0xcb, xr_cb); /* 0 to it for savety */
- new_pixclock = ReadPixClckFromXrRegsBack (param);
- debug("pixelclock.set = %d, pixelclock.real = %d\n",
- pixelclock, new_pixclock);
-}
-
-/*****************************************************************************/
-static void
-SetMsrRegs (struct ctfb_res_modes *mode)
-{
- unsigned char h_synch_high, v_synch_high;
-
- h_synch_high = (mode->sync & FB_SYNC_HOR_HIGH_ACT) ? 0 : 0x40; /* horizontal Synch High active */
- v_synch_high = (mode->sync & FB_SYNC_VERT_HIGH_ACT) ? 0 : 0x80; /* vertical Synch High active */
- ctWrite (CT_MSR_W_O, (h_synch_high | v_synch_high | 0x29));
- /* upper64K==0x20, CLC2select==0x08, RAMenable==0x02!(todo), CGA==0x01
- * Selects the upper 64KB page.Bit5=1
- * CLK2 (left reserved in standard VGA) Bit3|2=1|0
- * Disables CPU access to frame buffer. Bit1=0
- * Sets the I/O address decode for ST01, FCR, and all CR registers
- * to the 3Dx I/O address range (CGA emulation). Bit0=1
- */
-}
-
-/************************************************************************************/
-#ifdef VGA_DUMP_REG
-
-static void
-ctDispRegs (unsigned short index, int from, int to)
-{
- unsigned char status;
- int i;
-
- for (i = from; i < to; i++) {
- status = ctRead_i (index, i);
- printf ("%02X: is %02X\n", i, status);
- }
-}
-
-void
-video_dump_reg (void)
-{
- int i;
-
- printf ("Extended Regs:\n");
- ctDispRegs (CT_XR_O, 0, 0xC);
- ctDispRegs (CT_XR_O, 0xe, 0xf);
- ctDispRegs (CT_XR_O, 0x20, 0x21);
- ctDispRegs (CT_XR_O, 0x40, 0x50);
- ctDispRegs (CT_XR_O, 0x60, 0x64);
- ctDispRegs (CT_XR_O, 0x67, 0x68);
- ctDispRegs (CT_XR_O, 0x70, 0x72);
- ctDispRegs (CT_XR_O, 0x80, 0x83);
- ctDispRegs (CT_XR_O, 0xA0, 0xB0);
- ctDispRegs (CT_XR_O, 0xC0, 0xD3);
- printf ("Sequencer Regs:\n");
- ctDispRegs (CT_SR_O, 0, 0x8);
- printf ("Graphic Regs:\n");
- ctDispRegs (CT_GR_O, 0, 0x9);
- printf ("CRT Regs:\n");
- ctDispRegs (CT_CR_O, 0, 0x19);
- ctDispRegs (CT_CR_O, 0x22, 0x23);
- ctDispRegs (CT_CR_O, 0x30, 0x34);
- ctDispRegs (CT_CR_O, 0x38, 0x39);
- ctDispRegs (CT_CR_O, 0x3C, 0x3D);
- ctDispRegs (CT_CR_O, 0x40, 0x42);
- ctDispRegs (CT_CR_O, 0x70, 0x80);
- /* don't display the attributes */
-}
-
-#endif
-
-/***************************************************************
- * Wait for BitBlt ready
- */
-static int
-video_wait_bitblt (unsigned long addr)
-{
- unsigned long br04;
- int i = 0;
- br04 = in32r (addr);
- while (br04 & 0x80000000) {
- udelay (1);
- br04 = in32r (addr);
- if (i++ > 1000000) {
- printf ("ERROR Timeout %lx\n", br04);
- return 1;
- }
- }
- return 0;
-}
-
-/***************************************************************
- * Set up BitBlt Registrs
- */
-static void
-SetDrawingEngine (int bits_per_pixel)
-{
- unsigned long br04, br00;
- unsigned char tmp;
-
- GraphicDevice *pGD = (GraphicDevice *) & ctfb;
-
- tmp = ctRead_i (CT_XR_O, 0x20); /* BitBLT Configuration */
- tmp |= 0x02; /* reset BitBLT */
- ctWrite_i (CT_XR_O, 0x20, tmp); /* BitBLT Configuration */
- udelay (10);
- tmp &= 0xfd; /* release reset BitBLT */
- ctWrite_i (CT_XR_O, 0x20, tmp); /* BitBLT Configuration */
- video_wait_bitblt (pGD->pciBase + BR04_o);
-
- /* set pattern Address */
- out32r (pGD->pciBase + BR05_o, PATTERN_ADR & 0x003ffff8);
- br04 = 0;
- if (bits_per_pixel == 1) {
- br04 |= 0x00040000; /* monochome Pattern */
- br04 |= 0x00001000; /* monochome source */
- }
- br00 = ((pGD->winSizeX * pGD->gdfBytesPP) << 16) + (pGD->winSizeX * pGD->gdfBytesPP); /* bytes per scanline */
- out32r (pGD->pciBase + BR00_o, br00); /* */
- out32r (pGD->pciBase + BR08_o, (10 << 16) + 10); /* dummy */
- out32r (pGD->pciBase + BR04_o, br04); /* write all 0 */
- out32r (pGD->pciBase + BR07_o, 0); /* destination */
- video_wait_bitblt (pGD->pciBase + BR04_o);
-}
-
-/****************************************************************************
-* supported Video Chips
-*/
-static struct pci_device_id supported[] = {
- {PCI_VENDOR_ID_CT, PCI_DEVICE_ID_CT_69000},
- {}
-};
-
-/*******************************************************************************
-*
-* Init video chip
-*/
-void *
-video_hw_init (void)
-{
- GraphicDevice *pGD = (GraphicDevice *) & ctfb;
- unsigned short device_id;
- pci_dev_t devbusfn;
- int videomode;
- unsigned long t1, hsynch, vsynch;
- unsigned int pci_mem_base, *vm;
- int tmp, i, bits_per_pixel;
- char *penv;
- struct ctfb_res_modes *res_mode;
- struct ctfb_res_modes var_mode;
- struct ctfb_chips_properties *chips_param;
- /* Search for video chip */
-
- if ((devbusfn = pci_find_devices (supported, 0)) < 0) {
-#ifdef CONFIG_VIDEO_ONBOARD
- printf ("Video: Controller not found !\n");
-#endif
- return (NULL);
- }
-
- /* PCI setup */
- pci_write_config_dword (devbusfn, PCI_COMMAND,
- (PCI_COMMAND_MEMORY | PCI_COMMAND_IO));
- pci_read_config_word (devbusfn, PCI_DEVICE_ID, &device_id);
- pci_read_config_dword (devbusfn, PCI_BASE_ADDRESS_0, &pci_mem_base);
- pci_mem_base = pci_mem_to_phys (devbusfn, pci_mem_base);
-
- /* get chips params */
- for (chips_param = (struct ctfb_chips_properties *) &chips[0];
- chips_param->device_id != 0; chips_param++) {
- if (chips_param->device_id == device_id)
- break;
- }
- if (chips_param->device_id == 0) {
-#ifdef CONFIG_VIDEO_ONBOARD
- printf ("Video: controller 0x%X not supported\n", device_id);
-#endif
- return NULL;
- }
- /* supported Video controller found */
- printf ("Video: ");
-
- tmp = 0;
- videomode = 0x301;
- /* get video mode via environment */
- if ((penv = getenv ("videomode")) != NULL) {
- /* deceide if it is a string */
- if (penv[0] <= '9') {
- videomode = (int) simple_strtoul (penv, NULL, 16);
- tmp = 1;
- }
- } else {
- tmp = 1;
- }
- if (tmp) {
- /* parameter are vesa modes */
- /* search params */
- for (i = 0; i < VESA_MODES_COUNT; i++) {
- if (vesa_modes[i].vesanr == videomode)
- break;
- }
- if (i == VESA_MODES_COUNT) {
- printf ("no VESA Mode found, switching to mode 0x301 ");
- i = 0;
- }
- res_mode =
- (struct ctfb_res_modes *) &res_mode_init[vesa_modes[i].
- resindex];
- bits_per_pixel = vesa_modes[i].bits_per_pixel;
- } else {
-
- res_mode = (struct ctfb_res_modes *) &var_mode;
- bits_per_pixel = video_get_params (res_mode, penv);
- }
-
- /* calculate available color depth for controller memory */
- if (bits_per_pixel == 15)
- tmp = 2;
- else
- tmp = bits_per_pixel >> 3; /* /8 */
- if (((chips_param->max_mem -
- ACCELMEMORY) / (res_mode->xres * res_mode->yres)) < tmp) {
- tmp =
- ((chips_param->max_mem -
- ACCELMEMORY) / (res_mode->xres * res_mode->yres));
- if (tmp == 0) {
- printf
- ("No matching videomode found .-> reduce resolution\n");
- return NULL;
- } else {
- printf ("Switching back to %d Bits per Pixel ",
- tmp << 3);
- bits_per_pixel = tmp << 3;
- }
- }
-
- /* calculate hsynch and vsynch freq (info only) */
- t1 = (res_mode->left_margin + res_mode->xres +
- res_mode->right_margin + res_mode->hsync_len) / 8;
- t1 *= 8;
- t1 *= res_mode->pixclock;
- t1 /= 1000;
- hsynch = 1000000000L / t1;
- t1 *=
- (res_mode->upper_margin + res_mode->yres +
- res_mode->lower_margin + res_mode->vsync_len);
- t1 /= 1000;
- vsynch = 1000000000L / t1;
-
- /* fill in Graphic device struct */
- sprintf (pGD->modeIdent, "%dx%dx%d %ldkHz %ldHz", res_mode->xres,
- res_mode->yres, bits_per_pixel, (hsynch / 1000),
- (vsynch / 1000));
- printf ("%s\n", pGD->modeIdent);
- pGD->winSizeX = res_mode->xres;
- pGD->winSizeY = res_mode->yres;
- pGD->plnSizeX = res_mode->xres;
- pGD->plnSizeY = res_mode->yres;
- switch (bits_per_pixel) {
- case 8:
- pGD->gdfBytesPP = 1;
- pGD->gdfIndex = GDF__8BIT_INDEX;
- break;
- case 15:
- pGD->gdfBytesPP = 2;
- pGD->gdfIndex = GDF_15BIT_555RGB;
- break;
- case 16:
- pGD->gdfBytesPP = 2;
- pGD->gdfIndex = GDF_16BIT_565RGB;
- break;
- case 24:
- pGD->gdfBytesPP = 3;
- pGD->gdfIndex = GDF_24BIT_888RGB;
- break;
- }
- pGD->isaBase = CONFIG_SYS_ISA_IO_BASE_ADDRESS;
- pGD->pciBase = pci_mem_base;
- pGD->frameAdrs = pci_mem_base;
- pGD->memSize = chips_param->max_mem;
- /* Cursor Start Address */
- pGD->dprBase =
- (pGD->winSizeX * pGD->winSizeY * pGD->gdfBytesPP) + pci_mem_base;
- if ((pGD->dprBase & 0x0fff) != 0) {
- /* allign it */
- pGD->dprBase &= 0xfffff000;
- pGD->dprBase += 0x00001000;
- }
- debug("Cursor Start %x Pattern Start %x\n", pGD->dprBase,
- PATTERN_ADR);
- pGD->vprBase = pci_mem_base; /* Dummy */
- pGD->cprBase = pci_mem_base; /* Dummy */
- /* set up Hardware */
-
- ctWrite (CT_MSR_W_O, 0x01);
-
- /* set the extended Registers */
- ctLoadRegs (CT_XR_O, xreg);
- /* set atribute registers */
- SetArRegs ();
- /* set Graphics register */
- SetGrRegs ();
- /* set sequencer */
- SetSrRegs ();
-
- /* set msr */
- SetMsrRegs (res_mode);
-
- /* set CRT Registers */
- SetCrRegs (res_mode, bits_per_pixel);
- /* set color mode */
- SetBitsPerPixelIntoXrRegs (bits_per_pixel);
-
- /* set PLL */
- FindAndSetPllParamIntoXrRegs (res_mode->pixclock, chips_param);
-
- ctWrite_i (CT_SR_O, 0, 0x03); /* clear synchronous reset */
- /* Clear video memory */
- i = pGD->memSize / 4;
- vm = (unsigned int *) pGD->pciBase;
- while (i--)
- *vm++ = 0;
- SetDrawingEngine (bits_per_pixel);
-#ifdef VGA_DUMP_REG
- video_dump_reg ();
-#endif
-
- return ((void *) &ctfb);
-}
-
- /*******************************************************************************
-*
-* Set a RGB color in the LUT (8 bit index)
-*/
-void
-video_set_lut (unsigned int index, /* color number */
- unsigned char r, /* red */
- unsigned char g, /* green */
- unsigned char b /* blue */
- )
-{
-
- ctWrite (CT_LUT_MASK_O, 0xff);
-
- ctWrite (CT_LUT_START_O, (char) index);
-
- ctWrite (CT_LUT_RGB_O, r); /* red */
- ctWrite (CT_LUT_RGB_O, g); /* green */
- ctWrite (CT_LUT_RGB_O, b); /* blue */
- udelay (1);
- ctWrite (CT_LUT_MASK_O, 0xff);
-}
-
-/*******************************************************************************
-*
-* Drawing engine fill on screen region
-*/
-void
-video_hw_rectfill (unsigned int bpp, /* bytes per pixel */
- unsigned int dst_x, /* dest pos x */
- unsigned int dst_y, /* dest pos y */
- unsigned int dim_x, /* frame width */
- unsigned int dim_y, /* frame height */
- unsigned int color /* fill color */
- )
-{
- GraphicDevice *pGD = (GraphicDevice *) & ctfb;
- unsigned long *p, br04;
-
- video_wait_bitblt (pGD->pciBase + BR04_o);
-
- p = (unsigned long *) PATTERN_ADR;
- dim_x *= bpp;
- if (bpp == 3)
- bpp++; /* 24Bit needs a 32bit pattern */
- memset (p, color, (bpp * sizeof (unsigned char) * 8 * 8)); /* 8 x 8 pattern data */
- out32r (pGD->pciBase + BR07_o, ((pGD->winSizeX * dst_y) + dst_x) * pGD->gdfBytesPP); /* destination */
- br04 = in32r (pGD->pciBase + BR04_o) & 0xffffff00;
- br04 |= 0xF0; /* write Pattern P -> D */
- out32r (pGD->pciBase + BR04_o, br04); /* */
- out32r (pGD->pciBase + BR08_o, (dim_y << 16) + dim_x); /* starts the BITBlt */
- video_wait_bitblt (pGD->pciBase + BR04_o);
-}
-
-/*******************************************************************************
-*
-* Drawing engine bitblt with screen region
-*/
-void
-video_hw_bitblt (unsigned int bpp, /* bytes per pixel */
- unsigned int src_x, /* source pos x */
- unsigned int src_y, /* source pos y */
- unsigned int dst_x, /* dest pos x */
- unsigned int dst_y, /* dest pos y */
- unsigned int dim_x, /* frame width */
- unsigned int dim_y /* frame height */
- )
-{
- GraphicDevice *pGD = (GraphicDevice *) & ctfb;
- unsigned long br04;
-
- br04 = in32r (pGD->pciBase + BR04_o);
-
- /* to prevent data corruption due to overlap, we have to
- * find out if, and how the frames overlaps */
- if (src_x < dst_x) {
- /* src is more left than dest
- * the frame may overlap -> start from right to left */
- br04 |= 0x00000100; /* set bit 8 */
- src_x += dim_x;
- dst_x += dim_x;
- } else {
- br04 &= 0xfffffeff; /* clear bit 8 left to right */
- }
- if (src_y < dst_y) {
- /* src is higher than dst
- * the frame may overlap => start from bottom */
- br04 |= 0x00000200; /* set bit 9 */
- src_y += dim_y;
- dst_y += dim_y;
- } else {
- br04 &= 0xfffffdff; /* clear bit 9 top to bottom */
- }
- dim_x *= bpp;
- out32r (pGD->pciBase + BR06_o, ((pGD->winSizeX * src_y) + src_x) * pGD->gdfBytesPP); /* source */
- out32r (pGD->pciBase + BR07_o, ((pGD->winSizeX * dst_y) + dst_x) * pGD->gdfBytesPP); /* destination */
- br04 &= 0xffffff00;
- br04 |= 0x000000CC; /* S -> D */
- out32r (pGD->pciBase + BR04_o, br04); /* */
- out32r (pGD->pciBase + BR08_o, (dim_y << 16) + dim_x); /* start the BITBlt */
- video_wait_bitblt (pGD->pciBase + BR04_o);
-}
-#endif /* CONFIG_VIDEO */
generated by cgit v0.10.2 at 2024-11-18 18:55:32 (GMT)