📄 smifb.c
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/***************************************************************************
smifb.c - Silicon Motion, Inc. LynxEM+ frame buffer device
-------------------
begin : Thu Aug 9 2001
copyright : (C) 2001 by Szu-Tao Huang
email : johuang@siliconmotion.com
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#include <linux/config.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/tty.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/fb.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/pgtable.h>
#include <asm/system.h>
#include <asm/uaccess.h>
#include <video/fbcon.h>
#include <video/fbcon-cfb8.h>
#include <video/fbcon-cfb16.h>
#include <video/fbcon-cfb24.h>
static char *SMIRegs; // point to virtual Memory Map IO starting address
static char *SMILFB; // point to virtual video memory starting address
static struct par_info hw; // used to record hardware information
#include "smifb.h"
struct ModeInit VGAMode[numVGAModes] =
{
{
/* mode#0: 640 x 480 8Bpp 60Hz */
640, 480, 8, 60,
/* Init_MISC */
0xE3,
{ /* Init_SR0_SR4 */
0x03, 0x01, 0x0F, 0x00, 0x0E,
},
{ /* Init_SR10_SR24 */
0xFF, 0xBE, 0xEF, 0xFF, 0x00, 0x0E, 0x17, 0x2C,
0x99, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xC4, 0x30, 0x02, 0x01, 0x01,
},
{ /* Init_SR30_SR75 */
0x32, 0x03, 0xA0, 0x09, 0xC0, 0x32, 0x32, 0x32,
0x32, 0x32, 0x32, 0x32, 0x00, 0x00, 0x03, 0xFF,
0x00, 0xFC, 0x00, 0x00, 0x20, 0x18, 0x00, 0xFC,
0x20, 0x0C, 0x44, 0x20, 0x00, 0x32, 0x32, 0x32,
0x04, 0x24, 0x63, 0x4F, 0x52, 0x0B, 0xDF, 0xEA,
0x04, 0x50, 0x19, 0x32, 0x32, 0x00, 0x00, 0x32,
0x01, 0x80, 0x7E, 0x1A, 0x1A, 0x00, 0x00, 0x00,
0x50, 0x03, 0x74, 0x14, 0x07, 0x82, 0x07, 0x04,
0x00, 0x45, 0x30, 0x30, 0x40, 0x30,
},
{ /* Init_SR80_SR93 */
0xFF, 0x07, 0x00, 0x6F, 0x7F, 0x7F, 0xFF, 0x32,
0xF7, 0x00, 0x00, 0x00, 0xEF, 0xFF, 0x32, 0x32,
0x00, 0x00, 0x00, 0x00,
},
{ /* Init_SRA0_SRAF */
0x00, 0xFF, 0xBF, 0xFF, 0xFF, 0xED, 0xED, 0xED,
0x7B, 0xFF, 0xFF, 0xFF, 0xBF, 0xEF, 0xFF, 0xDF,
},
{ /* Init_GR00_GR08 */
0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x05, 0x0F,
0xFF,
},
{ /* Init_AR00_AR14 */
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x41, 0x00, 0x0F, 0x00, 0x00,
},
{ /* Init_CR00_CR18 */
0x5F, 0x4F, 0x4F, 0x00, 0x53, 0x1F, 0x0B, 0x3E,
0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xEA, 0x0C, 0xDF, 0x50, 0x40, 0xDF, 0x00, 0xE3,
0xFF,
},
{ /* Init_CR30_CR4D */
0x00, 0x00, 0x00, 0x00, 0x00, 0x55, 0x03, 0x20,
0x00, 0x00, 0x00, 0x40, 0x00, 0xE7, 0xFF, 0xFD,
0x5F, 0x4F, 0x00, 0x54, 0x00, 0x0B, 0xDF, 0x00,
0xEA, 0x0C, 0x2E, 0x00, 0x4F, 0xDF,
},
{ /* Init_CR90_CRA7 */
0x56, 0xDD, 0x5E, 0xEA, 0x87, 0x44, 0x8F, 0x55,
0x0A, 0x8F, 0x55, 0x0A, 0x00, 0x00, 0x18, 0x00,
0x11, 0x10, 0x0B, 0x0A, 0x0A, 0x0A, 0x0A, 0x00,
},
},
{
/* mode#1: 640 x 480 16Bpp 60Hz */
640, 480, 16, 60,
/* Init_MISC */
0xE3,
{ /* Init_SR0_SR4 */
0x03, 0x01, 0x0F, 0x00, 0x0E,
},
{ /* Init_SR10_SR24 */
0xFF, 0xBE, 0xEF, 0xFF, 0x00, 0x0E, 0x17, 0x2C,
0x99, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xC4, 0x30, 0x02, 0x01, 0x01,
},
{ /* Init_SR30_SR75 */
0x32, 0x03, 0xA0, 0x09, 0xC0, 0x32, 0x32, 0x32,
0x32, 0x32, 0x32, 0x32, 0x00, 0x00, 0x03, 0xFF,
0x00, 0xFC, 0x00, 0x00, 0x20, 0x18, 0x00, 0xFC,
0x20, 0x0C, 0x44, 0x20, 0x00, 0x32, 0x32, 0x32,
0x04, 0x24, 0x63, 0x4F, 0x52, 0x0B, 0xDF, 0xEA,
0x04, 0x50, 0x19, 0x32, 0x32, 0x00, 0x00, 0x32,
0x01, 0x80, 0x7E, 0x1A, 0x1A, 0x00, 0x00, 0x00,
0x50, 0x03, 0x74, 0x14, 0x07, 0x82, 0x07, 0x04,
0x00, 0x45, 0x30, 0x30, 0x40, 0x30,
},
{ /* Init_SR80_SR93 */
0xFF, 0x07, 0x00, 0x6F, 0x7F, 0x7F, 0xFF, 0x32,
0xF7, 0x00, 0x00, 0x00, 0xEF, 0xFF, 0x32, 0x32,
0x00, 0x00, 0x00, 0x00,
},
{ /* Init_SRA0_SRAF */
0x00, 0xFF, 0xBF, 0xFF, 0xFF, 0xED, 0xED, 0xED,
0x7B, 0xFF, 0xFF, 0xFF, 0xBF, 0xEF, 0xFF, 0xDF,
},
{ /* Init_GR00_GR08 */
0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x05, 0x0F,
0xFF,
},
{ /* Init_AR00_AR14 */
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x41, 0x00, 0x0F, 0x00, 0x00,
},
{ /* Init_CR00_CR18 */
0x5F, 0x4F, 0x4F, 0x00, 0x53, 0x1F, 0x0B, 0x3E,
0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xEA, 0x0C, 0xDF, 0x50, 0x40, 0xDF, 0x00, 0xE3,
0xFF,
},
{ /* Init_CR30_CR4D */
0x00, 0x00, 0x00, 0x00, 0x00, 0x55, 0x03, 0x20,
0x00, 0x00, 0x00, 0x40, 0x00, 0xE7, 0xFF, 0xFD,
0x5F, 0x4F, 0x00, 0x54, 0x00, 0x0B, 0xDF, 0x00,
0xEA, 0x0C, 0x2E, 0x00, 0x4F, 0xDF,
},
{ /* Init_CR90_CRA7 */
0x56, 0xDD, 0x5E, 0xEA, 0x87, 0x44, 0x8F, 0x55,
0x0A, 0x8F, 0x55, 0x0A, 0x00, 0x00, 0x18, 0x00,
0x11, 0x10, 0x0B, 0x0A, 0x0A, 0x0A, 0x0A, 0x00,
},
},
{
/* mode#2: 640 x 480 24Bpp 60Hz */
640, 480, 24, 60,
/* Init_MISC */
0xE3,
{ /* Init_SR0_SR4 */
0x03, 0x01, 0x0F, 0x00, 0x0E,
},
{ /* Init_SR10_SR24 */
0xFF, 0xBE, 0xEF, 0xFF, 0x00, 0x0E, 0x17, 0x2C,
0x99, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xC4, 0x30, 0x02, 0x01, 0x01,
},
{ /* Init_SR30_SR75 */
0x32, 0x03, 0xA0, 0x09, 0xC0, 0x32, 0x32, 0x32,
0x32, 0x32, 0x32, 0x32, 0x00, 0x00, 0x03, 0xFF,
0x00, 0xFC, 0x00, 0x00, 0x20, 0x18, 0x00, 0xFC,
0x20, 0x0C, 0x44, 0x20, 0x00, 0x32, 0x32, 0x32,
0x04, 0x24, 0x63, 0x4F, 0x52, 0x0B, 0xDF, 0xEA,
0x04, 0x50, 0x19, 0x32, 0x32, 0x00, 0x00, 0x32,
0x01, 0x80, 0x7E, 0x1A, 0x1A, 0x00, 0x00, 0x00,
0x50, 0x03, 0x74, 0x14, 0x07, 0x82, 0x07, 0x04,
0x00, 0x45, 0x30, 0x30, 0x40, 0x30,
},
{ /* Init_SR80_SR93 */
0xFF, 0x07, 0x00, 0x6F, 0x7F, 0x7F, 0xFF, 0x32,
0xF7, 0x00, 0x00, 0x00, 0xEF, 0xFF, 0x32, 0x32,
0x00, 0x00, 0x00, 0x00,
},
{ /* Init_SRA0_SRAF */
0x00, 0xFF, 0xBF, 0xFF, 0xFF, 0xED, 0xED, 0xED,
0x7B, 0xFF, 0xFF, 0xFF, 0xBF, 0xEF, 0xFF, 0xDF,
},
{ /* Init_GR00_GR08 */
0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x05, 0x0F,
0xFF,
},
{ /* Init_AR00_AR14 */
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x41, 0x00, 0x0F, 0x00, 0x00,
},
{ /* Init_CR00_CR18 */
0x5F, 0x4F, 0x4F, 0x00, 0x53, 0x1F, 0x0B, 0x3E,
0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xEA, 0x0C, 0xDF, 0x50, 0x40, 0xDF, 0x00, 0xE3,
0xFF,
},
{ /* Init_CR30_CR4D */
0x00, 0x00, 0x00, 0x00, 0x00, 0x55, 0x03, 0x20,
0x00, 0x00, 0x00, 0x40, 0x00, 0xE7, 0xFF, 0xFD,
0x5F, 0x4F, 0x00, 0x54, 0x00, 0x0B, 0xDF, 0x00,
0xEA, 0x0C, 0x2E, 0x00, 0x4F, 0xDF,
},
{ /* Init_CR90_CRA7 */
0x56, 0xDD, 0x5E, 0xEA, 0x87, 0x44, 0x8F, 0x55,
0x0A, 0x8F, 0x55, 0x0A, 0x00, 0x00, 0x18, 0x00,
0x11, 0x10, 0x0B, 0x0A, 0x0A, 0x0A, 0x0A, 0x00,
},
},
{/* mode#3: 800 x 600 8Bpp 60Hz */
800,600,8,60,
0x2B, /* Init_MISC */
{ /* Init_SR0_SR4 */
0x03, 0x01, 0x0F, 0x03, 0x0E,
},
{ /* Init_SR10_SR24 */
0xFF, 0xBE, 0xEE, 0xFF, 0x00, 0x0E, 0x17, 0x2C,
0x99, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
0xC4, 0x30, 0x02, 0x01, 0x01,
},
{ /* Init_SR30_SR75 */
0x24, 0x03, 0x20, 0x09, 0xC0, 0x24, 0x24, 0x24,
0x24, 0x24, 0x24, 0x24, 0x00, 0x00, 0x03, 0xFF,
0x00, 0xFC, 0x00, 0x00, 0x20, 0x38, 0x00, 0xFC,
0x20, 0x0C, 0x44, 0x20, 0x00, 0x24, 0x24, 0x24,
0x04, 0x48, 0x83, 0x63, 0x68, 0x72, 0x57, 0x58,
0x04, 0x55, 0x59, 0x24, 0x24, 0x00, 0x00, 0x24,
0x01, 0x80, 0x7A, 0x1A, 0x1A, 0x00, 0x00, 0x00,
0x50, 0x03, 0x74, 0x14, 0x1C, 0x85, 0x35, 0x13,
0x02, 0x45, 0x30, 0x35, 0x40, 0x20,
},
{ /* Init_SR80_SR93 */
0xFF, 0x87, 0x00, 0x6F, 0x7F, 0x7F, 0xFF, 0x24,
0x90, 0x01, 0x2C, 0x01, 0xFF, 0x00, 0x24, 0x24,
0x00, 0x00, 0x00, 0x00,
},
{ /* Init_SRA0_SRAF */
0x00, 0xFF, 0xBF, 0xFF, 0xFF, 0xED, 0xED, 0xED,
0x7B, 0xFF, 0xFF, 0xFF, 0xBF, 0xEF, 0xBF, 0xDF,
},
{ /* Init_GR00_GR08 */
0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x05, 0x0F,
0xFF,
},
{ /* Init_AR00_AR14 */
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x41, 0x00, 0x0F, 0x00, 0x00,
},
{ /* Init_CR00_CR18 */
0x7F, 0x63, 0x63, 0x00, 0x68, 0x18, 0x72, 0xF0,
0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x58, 0x0C, 0x57, 0x64, 0x40, 0x57, 0x00, 0xE3,
0xFF,
},
{ /* Init_CR30_CR4D */
0x00, 0x00, 0x00, 0x00, 0x00, 0x33, 0x03, 0x20,
0x00, 0x00, 0x00, 0x40, 0x00, 0xE7, 0xBF, 0xFD,
0x7F, 0x63, 0x00, 0x69, 0x18, 0x72, 0x57, 0x00,
0x58, 0x0C, 0xE0, 0x20, 0x63, 0x57,
},
{ /* Init_CR90_CRA7 */
0x56, 0x4B, 0x5E, 0x55, 0x86, 0x9D, 0x8E, 0xAA,
0xDB, 0x2A, 0xDF, 0x33, 0x00, 0x00, 0x18, 0x00,
0x20, 0x1F, 0x1A, 0x19, 0x0F, 0x0F, 0x0F, 0x00,
},
},
{/* mode#4: 800 x 600 16Bpp 60Hz */
800, 600, 16, 60,
/* Init_MISC */
0x2B,
{ /* Init_SR0_SR4 */
0x03, 0x01, 0x0F, 0x03, 0x0E,
},
{ /* Init_SR10_SR24 */
0xFF, 0xBE, 0xEE, 0xFF, 0x00, 0x0E, 0x17, 0x2C,
0x99, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
0xC4, 0x30, 0x02, 0x01, 0x01,
},
{ /* Init_SR30_SR75 */
0x24, 0x03, 0x20, 0x09, 0xC0, 0x24, 0x24, 0x24,
0x24, 0x24, 0x24, 0x24, 0x00, 0x00, 0x03, 0xFF,
0x00, 0xFC, 0x00, 0x00, 0x20, 0x38, 0x00, 0xFC,
0x20, 0x0C, 0x44, 0x20, 0x00, 0x24, 0x24, 0x24,
0x04, 0x48, 0x83, 0x63, 0x68, 0x72, 0x57, 0x58,
0x04, 0x55, 0x59, 0x24, 0x24, 0x00, 0x00, 0x24,
0x01, 0x80, 0x7A, 0x1A, 0x1A, 0x00, 0x00, 0x00,
0x50, 0x03, 0x74, 0x14, 0x1C, 0x85, 0x35, 0x13,
0x02, 0x45, 0x30, 0x35, 0x40, 0x20,
},
{ /* Init_SR80_SR93 */
0x00, 0x00, 0x00, 0x6F, 0x7F, 0x7F, 0xFF, 0x24,
0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x24, 0x24,
0x00, 0x00, 0x00, 0x00,
},
{ /* Init_SRA0_SRAF */
0x00, 0xFF, 0xBF, 0xFF, 0xFF, 0xED, 0xED, 0xED,
0x7B, 0xFF, 0xFF, 0xFF, 0xBF, 0xEF, 0xBF, 0xDF,
},
{ /* Init_GR00_GR08 */
0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x05, 0x0F,
0xFF,
},
{ /* Init_AR00_AR14 */
0x00 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x41, 0x00, 0x0F, 0x00, 0x00,
},
{ /* Init_CR00_CR18 */
0x7F, 0x63, 0x63, 0x00, 0x68, 0x18, 0x72, 0xF0,
0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x58, 0x0C, 0x57, 0x64, 0x40, 0x57, 0x00, 0xE3,
0xFF,
},
{ /* Init_CR30_CR4D */
0x00, 0x00, 0x00, 0x00, 0x00, 0x33, 0x03, 0x20,
0x00, 0x00, 0x00, 0x40, 0x00, 0xE7, 0xBF, 0xFD,
0x7F, 0x63, 0x00, 0x69, 0x18, 0x72, 0x57, 0x00,
0x58, 0x0C, 0xE0, 0x20, 0x63, 0x57,
},
{ /* Init_CR90_CRA7 */
0x56, 0x4B, 0x5E, 0x55, 0x86, 0x9D, 0x8E, 0xAA,
0xDB, 0x2A, 0xDF, 0x33, 0x00, 0x00, 0x18, 0x00,
0x20, 0x1F, 0x1A, 0x19, 0x0F, 0x0F, 0x0F, 0x00,
},
},
{/* mode#5: 800 x 600 24Bpp 60Hz */
800,600,24,60,
0x2B,
{ /* Init_SR0_SR4 */
0x03, 0x01, 0x0F, 0x03, 0x0E,
},
{ /* Init_SR10_SR24 */
0xFF, 0xBE, 0xEE, 0xFF, 0x00, 0x0E, 0x17, 0x2C,
0x99, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xC4, 0x30, 0x02, 0x01, 0x01,
},
{ /* Init_SR30_SR75 */
0x36, 0x03, 0x20, 0x09, 0xC0, 0x36, 0x36, 0x36,
0x36, 0x36, 0x36, 0x36, 0x00, 0x00, 0x03, 0xFF,
0x00, 0xFC, 0x00, 0x00, 0x20, 0x18, 0x00, 0xFC,
0x20, 0x0C, 0x44, 0x20, 0x00, 0x36, 0x36, 0x36,
0x04, 0x48, 0x83, 0x63, 0x68, 0x72, 0x57, 0x58,
0x04, 0x55, 0x59, 0x36, 0x36, 0x00, 0x00, 0x36,
0x01, 0x80, 0x7E, 0x1A, 0x1A, 0x00, 0x00, 0x00,
0x50, 0x03, 0x74, 0x14, 0x1C, 0x85, 0x35, 0x13,
0x02, 0x45, 0x30, 0x30, 0x40, 0x20,
},
{ /* Init_SR80_SR93 */
0xFF, 0x07, 0x00, 0x6F, 0x7F, 0x7F, 0xFF, 0x36,
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