sm712fb.c 44.3 KB
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/*
 * Silicon Motion SM7XX frame buffer device
 *
 * Copyright (C) 2006 Silicon Motion Technology Corp.
 * Authors:  Ge Wang, gewang@siliconmotion.com
 *	     Boyod boyod.yang@siliconmotion.com.cn
 *
 * Copyright (C) 2009 Lemote, Inc.
 * Author:   Wu Zhangjin, wuzhangjin@gmail.com
 *
 * Copyright (C) 2011 Igalia, S.L.
 * Author:   Javier M. Mellid <jmunhoz@igalia.com>
 *
 * 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.
 *
 * Framebuffer driver for Silicon Motion SM710, SM712, SM721 and SM722 chips
 */

#include <linux/io.h>
#include <linux/fb.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/uaccess.h>
#include <linux/module.h>
#include <linux/console.h>
#include <linux/screen_info.h>

#include <linux/pm.h>

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#include "sm712.h"
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/*
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 * Private structure
 */
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struct smtcfb_info {
	struct pci_dev *pdev;
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	struct fb_info *fb;
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	u16 chip_id;
	u8  chip_rev_id;

	void __iomem *lfb;	/* linear frame buffer */
	void __iomem *dp_regs;	/* drawing processor control regs */
	void __iomem *vp_regs;	/* video processor control regs */
	void __iomem *cp_regs;	/* capture processor control regs */
	void __iomem *mmio;	/* memory map IO port */

	u_int width;
	u_int height;
	u_int hz;

	u32 colreg[17];
};

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void __iomem *smtc_regbaseaddress;	/* Memory Map IO starting address */
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static const struct fb_var_screeninfo smtcfb_var = {
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	.xres           = 1024,
	.yres           = 600,
	.xres_virtual   = 1024,
	.yres_virtual   = 600,
	.bits_per_pixel = 16,
	.red            = {16, 8, 0},
	.green          = {8, 8, 0},
	.blue           = {0, 8, 0},
	.activate       = FB_ACTIVATE_NOW,
	.height         = -1,
	.width          = -1,
	.vmode          = FB_VMODE_NONINTERLACED,
	.nonstd         = 0,
	.accel_flags    = FB_ACCELF_TEXT,
};

static struct fb_fix_screeninfo smtcfb_fix = {
	.id             = "smXXXfb",
	.type           = FB_TYPE_PACKED_PIXELS,
	.visual         = FB_VISUAL_TRUECOLOR,
	.line_length    = 800 * 3,
	.accel          = FB_ACCEL_SMI_LYNX,
	.type_aux       = 0,
	.xpanstep       = 0,
	.ypanstep       = 0,
	.ywrapstep      = 0,
};

struct vesa_mode {
	char index[6];
	u16  lfb_width;
	u16  lfb_height;
	u16  lfb_depth;
};

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static const struct vesa_mode vesa_mode_table[] = {
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	{"0x301", 640,  480,  8},
	{"0x303", 800,  600,  8},
	{"0x305", 1024, 768,  8},
	{"0x307", 1280, 1024, 8},

	{"0x311", 640,  480,  16},
	{"0x314", 800,  600,  16},
	{"0x317", 1024, 768,  16},
	{"0x31A", 1280, 1024, 16},

	{"0x312", 640,  480,  24},
	{"0x315", 800,  600,  24},
	{"0x318", 1024, 768,  24},
	{"0x31B", 1280, 1024, 24},
};

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/**********************************************************************
			 SM712 Mode table.
 **********************************************************************/
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static const struct modeinit vgamode[] = {
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	{
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		/*  mode#0: 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,
		},
	},
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	{
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		/*  mode#1: 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,
		},
	},
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	{
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		/*  mode#0: 640 x 480  32Bpp  60Hz */
		640, 480, 32, 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,
		},
	},
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	{	/*  mode#2: 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 */
			0x34, 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#3: 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,
			0xF7, 0x00, 0x00, 0x00, 0xEF, 0xFF, 0x36, 0x36,
			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#7: 800 x 600  32Bpp  60Hz */
		800, 600, 32, 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 */
			0x34, 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,
		},
	},
473
	/* We use 1024x768 table to light 1024x600 panel for lemote */
474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709
	{	/*  mode#4: 1024 x 600  16Bpp  60Hz  */
		1024, 600, 16, 60,
		/*  Init_MISC */
		0xEB,
		{	/*  Init_SR0_SR4 */
			0x03, 0x01, 0x0F, 0x00, 0x0E,
		},
		{	/*  Init_SR10_SR24 */
			0xC8, 0x40, 0x14, 0x60, 0x00, 0x0A, 0x17, 0x20,
			0x51, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
			0xC4, 0x30, 0x02, 0x00, 0x01,
		},
		{	/*  Init_SR30_SR75 */
			0x22, 0x03, 0x24, 0x09, 0xC0, 0x22, 0x22, 0x22,
			0x22, 0x22, 0x22, 0x22, 0x00, 0x00, 0x03, 0xFF,
			0x00, 0xFC, 0x00, 0x00, 0x20, 0x18, 0x00, 0xFC,
			0x20, 0x0C, 0x44, 0x20, 0x00, 0x22, 0x22, 0x22,
			0x06, 0x68, 0xA7, 0x7F, 0x83, 0x24, 0xFF, 0x03,
			0x00, 0x60, 0x59, 0x22, 0x22, 0x00, 0x00, 0x22,
			0x01, 0x80, 0x7A, 0x1A, 0x1A, 0x00, 0x00, 0x00,
			0x50, 0x03, 0x16, 0x02, 0x0D, 0x82, 0x09, 0x02,
			0x04, 0x45, 0x3F, 0x30, 0x40, 0x20,
		},
		{	/*  Init_SR80_SR93 */
			0xFF, 0x07, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x3A,
			0xF7, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x3A, 0x3A,
			0x00, 0x00, 0x00, 0x00,
		},
		{	/*  Init_SRA0_SRAF */
			0x00, 0xFB, 0x9F, 0x01, 0x00, 0xED, 0xED, 0xED,
			0x7B, 0xFB, 0xFF, 0xFF, 0x97, 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 */
			0xA3, 0x7F, 0x7F, 0x00, 0x85, 0x16, 0x24, 0xF5,
			0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			0x03, 0x09, 0xFF, 0x80, 0x40, 0xFF, 0x00, 0xE3,
			0xFF,
		},
		{	/*  Init_CR30_CR4D */
			0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, 0x20,
			0x00, 0x00, 0x00, 0x40, 0x00, 0xFF, 0xBF, 0xFF,
			0xA3, 0x7F, 0x00, 0x82, 0x0b, 0x6f, 0x57, 0x00,
			0x5c, 0x0f, 0xE0, 0xe0, 0x7F, 0x57,
		},
		{	/*  Init_CR90_CRA7 */
			0x55, 0xD9, 0x5D, 0xE1, 0x86, 0x1B, 0x8E, 0x26,
			0xDA, 0x8D, 0xDE, 0x94, 0x00, 0x00, 0x18, 0x00,
			0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x15, 0x03,
		},
	},
	{	/*  mode#5: 1024 x 768  24Bpp  60Hz */
		1024, 768, 24, 60,
		/*  Init_MISC */
		0xEB,
		{	/*  Init_SR0_SR4 */
			0x03, 0x01, 0x0F, 0x03, 0x0E,
		},
		{	/*  Init_SR10_SR24 */
			0xF3, 0xB6, 0xC0, 0xDD, 0x00, 0x0E, 0x17, 0x2C,
			0x99, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
			0xC4, 0x30, 0x02, 0x01, 0x01,
		},
		{	/*  Init_SR30_SR75 */
			0x38, 0x03, 0x20, 0x09, 0xC0, 0x3A, 0x3A, 0x3A,
			0x3A, 0x3A, 0x3A, 0x3A, 0x00, 0x00, 0x03, 0xFF,
			0x00, 0xFC, 0x00, 0x00, 0x20, 0x18, 0x00, 0xFC,
			0x20, 0x0C, 0x44, 0x20, 0x00, 0x00, 0x00, 0x3A,
			0x06, 0x68, 0xA7, 0x7F, 0x83, 0x24, 0xFF, 0x03,
			0x00, 0x60, 0x59, 0x3A, 0x3A, 0x00, 0x00, 0x3A,
			0x01, 0x80, 0x7E, 0x1A, 0x1A, 0x00, 0x00, 0x00,
			0x50, 0x03, 0x74, 0x14, 0x3B, 0x0D, 0x09, 0x02,
			0x04, 0x45, 0x30, 0x30, 0x40, 0x20,
		},
		{	/*  Init_SR80_SR93 */
			0xFF, 0x07, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x3A,
			0xF7, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x3A, 0x3A,
			0x00, 0x00, 0x00, 0x00,
		},
		{	/*  Init_SRA0_SRAF */
			0x00, 0xFB, 0x9F, 0x01, 0x00, 0xED, 0xED, 0xED,
			0x7B, 0xFB, 0xFF, 0xFF, 0x97, 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 */
			0xA3, 0x7F, 0x7F, 0x00, 0x85, 0x16, 0x24, 0xF5,
			0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			0x03, 0x09, 0xFF, 0x80, 0x40, 0xFF, 0x00, 0xE3,
			0xFF,
		},
		{	/*  Init_CR30_CR4D */
			0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, 0x20,
			0x00, 0x00, 0x00, 0x40, 0x00, 0xFF, 0xBF, 0xFF,
			0xA3, 0x7F, 0x00, 0x86, 0x15, 0x24, 0xFF, 0x00,
			0x01, 0x07, 0xE5, 0x20, 0x7F, 0xFF,
		},
		{	/*  Init_CR90_CRA7 */
			0x55, 0xD9, 0x5D, 0xE1, 0x86, 0x1B, 0x8E, 0x26,
			0xDA, 0x8D, 0xDE, 0x94, 0x00, 0x00, 0x18, 0x00,
			0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x15, 0x03,
		},
	},
	{	/*  mode#4: 1024 x 768  32Bpp  60Hz */
		1024, 768, 32, 60,
		/*  Init_MISC */
		0xEB,
		{	/*  Init_SR0_SR4 */
			0x03, 0x01, 0x0F, 0x03, 0x0E,
		},
		{	/*  Init_SR10_SR24 */
			0xF3, 0xB6, 0xC0, 0xDD, 0x00, 0x0E, 0x17, 0x2C,
			0x99, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
			0xC4, 0x32, 0x02, 0x01, 0x01,
		},
		{	/*  Init_SR30_SR75 */
			0x38, 0x03, 0x20, 0x09, 0xC0, 0x3A, 0x3A, 0x3A,
			0x3A, 0x3A, 0x3A, 0x3A, 0x00, 0x00, 0x03, 0xFF,
			0x00, 0xFC, 0x00, 0x00, 0x20, 0x18, 0x00, 0xFC,
			0x20, 0x0C, 0x44, 0x20, 0x00, 0x00, 0x00, 0x3A,
			0x06, 0x68, 0xA7, 0x7F, 0x83, 0x24, 0xFF, 0x03,
			0x00, 0x60, 0x59, 0x3A, 0x3A, 0x00, 0x00, 0x3A,
			0x01, 0x80, 0x7E, 0x1A, 0x1A, 0x00, 0x00, 0x00,
			0x50, 0x03, 0x74, 0x14, 0x3B, 0x0D, 0x09, 0x02,
			0x04, 0x45, 0x30, 0x30, 0x40, 0x20,
		},
		{	/*  Init_SR80_SR93 */
			0xFF, 0x07, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x3A,
			0xF7, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x3A, 0x3A,
			0x00, 0x00, 0x00, 0x00,
		},
		{	/*  Init_SRA0_SRAF */
			0x00, 0xFB, 0x9F, 0x01, 0x00, 0xED, 0xED, 0xED,
			0x7B, 0xFB, 0xFF, 0xFF, 0x97, 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 */
			0xA3, 0x7F, 0x7F, 0x00, 0x85, 0x16, 0x24, 0xF5,
			0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			0x03, 0x09, 0xFF, 0x80, 0x40, 0xFF, 0x00, 0xE3,
			0xFF,
		},
		{	/*  Init_CR30_CR4D */
			0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, 0x20,
			0x00, 0x00, 0x00, 0x40, 0x00, 0xFF, 0xBF, 0xFF,
			0xA3, 0x7F, 0x00, 0x86, 0x15, 0x24, 0xFF, 0x00,
			0x01, 0x07, 0xE5, 0x20, 0x7F, 0xFF,
		},
		{	/*  Init_CR90_CRA7 */
			0x55, 0xD9, 0x5D, 0xE1, 0x86, 0x1B, 0x8E, 0x26,
			0xDA, 0x8D, 0xDE, 0x94, 0x00, 0x00, 0x18, 0x00,
			0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x15, 0x03,
		},
	},
	{	/*  mode#6: 320 x 240  16Bpp  60Hz */
		320, 240, 16, 60,
		/*  Init_MISC */
		0xEB,
		{	/*  Init_SR0_SR4 */
			0x03, 0x01, 0x0F, 0x03, 0x0E,
		},
		{	/*  Init_SR10_SR24 */
			0xF3, 0xB6, 0xC0, 0xDD, 0x00, 0x0E, 0x17, 0x2C,
			0x99, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
			0xC4, 0x32, 0x02, 0x01, 0x01,
		},
		{	/*  Init_SR30_SR75 */
			0x38, 0x03, 0x20, 0x09, 0xC0, 0x3A, 0x3A, 0x3A,
			0x3A, 0x3A, 0x3A, 0x3A, 0x00, 0x00, 0x03, 0xFF,
			0x00, 0xFC, 0x00, 0x00, 0x20, 0x18, 0x00, 0xFC,
			0x20, 0x0C, 0x44, 0x20, 0x00, 0x00, 0x00, 0x3A,
			0x06, 0x68, 0xA7, 0x7F, 0x83, 0x24, 0xFF, 0x03,
			0x00, 0x60, 0x59, 0x3A, 0x3A, 0x00, 0x00, 0x3A,
			0x01, 0x80, 0x7E, 0x1A, 0x1A, 0x00, 0x00, 0x00,
			0x50, 0x03, 0x74, 0x14, 0x08, 0x43, 0x08, 0x43,
			0x04, 0x45, 0x30, 0x30, 0x40, 0x20,
		},
		{	/*  Init_SR80_SR93 */
			0xFF, 0x07, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x3A,
			0xF7, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x3A, 0x3A,
			0x00, 0x00, 0x00, 0x00,
		},
		{	/*  Init_SRA0_SRAF */
			0x00, 0xFB, 0x9F, 0x01, 0x00, 0xED, 0xED, 0xED,
			0x7B, 0xFB, 0xFF, 0xFF, 0x97, 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 */
			0xA3, 0x7F, 0x7F, 0x00, 0x85, 0x16, 0x24, 0xF5,
			0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			0x03, 0x09, 0xFF, 0x80, 0x40, 0xFF, 0x00, 0xE3,
			0xFF,
		},
		{	/*  Init_CR30_CR4D */
			0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, 0x20,
			0x00, 0x00, 0x30, 0x40, 0x00, 0xFF, 0xBF, 0xFF,
			0x2E, 0x27, 0x00, 0x2b, 0x0c, 0x0F, 0xEF, 0x00,
			0xFe, 0x0f, 0x01, 0xC0, 0x27, 0xEF,
		},
		{	/*  Init_CR90_CRA7 */
			0x55, 0xD9, 0x5D, 0xE1, 0x86, 0x1B, 0x8E, 0x26,
			0xDA, 0x8D, 0xDE, 0x94, 0x00, 0x00, 0x18, 0x00,
			0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x15, 0x03,
		},
	},
710

711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769
	{	/*  mode#8: 320 x 240  32Bpp  60Hz */
		320, 240, 32, 60,
		/*  Init_MISC */
		0xEB,
		{	/*  Init_SR0_SR4 */
			0x03, 0x01, 0x0F, 0x03, 0x0E,
		},
		{	/*  Init_SR10_SR24 */
			0xF3, 0xB6, 0xC0, 0xDD, 0x00, 0x0E, 0x17, 0x2C,
			0x99, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
			0xC4, 0x32, 0x02, 0x01, 0x01,
		},
		{	/*  Init_SR30_SR75 */
			0x38, 0x03, 0x20, 0x09, 0xC0, 0x3A, 0x3A, 0x3A,
			0x3A, 0x3A, 0x3A, 0x3A, 0x00, 0x00, 0x03, 0xFF,
			0x00, 0xFC, 0x00, 0x00, 0x20, 0x18, 0x00, 0xFC,
			0x20, 0x0C, 0x44, 0x20, 0x00, 0x00, 0x00, 0x3A,
			0x06, 0x68, 0xA7, 0x7F, 0x83, 0x24, 0xFF, 0x03,
			0x00, 0x60, 0x59, 0x3A, 0x3A, 0x00, 0x00, 0x3A,
			0x01, 0x80, 0x7E, 0x1A, 0x1A, 0x00, 0x00, 0x00,
			0x50, 0x03, 0x74, 0x14, 0x08, 0x43, 0x08, 0x43,
			0x04, 0x45, 0x30, 0x30, 0x40, 0x20,
		},
		{	/*  Init_SR80_SR93 */
			0xFF, 0x07, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x3A,
			0xF7, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x3A, 0x3A,
			0x00, 0x00, 0x00, 0x00,
		},
		{	/*  Init_SRA0_SRAF */
			0x00, 0xFB, 0x9F, 0x01, 0x00, 0xED, 0xED, 0xED,
			0x7B, 0xFB, 0xFF, 0xFF, 0x97, 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 */
			0xA3, 0x7F, 0x7F, 0x00, 0x85, 0x16, 0x24, 0xF5,
			0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
			0x03, 0x09, 0xFF, 0x80, 0x40, 0xFF, 0x00, 0xE3,
			0xFF,
		},
		{	/*  Init_CR30_CR4D */
			0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, 0x20,
			0x00, 0x00, 0x30, 0x40, 0x00, 0xFF, 0xBF, 0xFF,
			0x2E, 0x27, 0x00, 0x2b, 0x0c, 0x0F, 0xEF, 0x00,
			0xFe, 0x0f, 0x01, 0xC0, 0x27, 0xEF,
		},
		{	/*  Init_CR90_CRA7 */
			0x55, 0xD9, 0x5D, 0xE1, 0x86, 0x1B, 0x8E, 0x26,
			0xDA, 0x8D, 0xDE, 0x94, 0x00, 0x00, 0x18, 0x00,
			0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x15, 0x03,
		},
	},
770 771
};

772
static struct screen_info smtc_scr_info;
773

774 775
static char *mode_option;

776
/* process command line options, get vga parameter */
777
static void __init sm7xx_vga_setup(char *options)
778 779 780 781
{
	int i;

	if (!options || !*options)
782
		return;
783 784 785 786 787

	smtc_scr_info.lfb_width = 0;
	smtc_scr_info.lfb_height = 0;
	smtc_scr_info.lfb_depth = 0;

788
	pr_debug("%s = %s\n", __func__, options);
789 790 791 792 793 794 795

	for (i = 0; i < ARRAY_SIZE(vesa_mode_table); i++) {
		if (strstr(options, vesa_mode_table[i].index)) {
			smtc_scr_info.lfb_width  = vesa_mode_table[i].lfb_width;
			smtc_scr_info.lfb_height =
						vesa_mode_table[i].lfb_height;
			smtc_scr_info.lfb_depth  = vesa_mode_table[i].lfb_depth;
796
			return;
797 798 799 800
		}
	}
}

801 802
static void sm712_setpalette(int regno, unsigned int red, unsigned int green,
			     unsigned int blue, struct fb_info *info)
803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898
{
	/* set bit 5:4 = 01 (write LCD RAM only) */
	smtc_seqw(0x66, (smtc_seqr(0x66) & 0xC3) | 0x10);

	smtc_mmiowb(regno, dac_reg);
	smtc_mmiowb(red >> 10, dac_val);
	smtc_mmiowb(green >> 10, dac_val);
	smtc_mmiowb(blue >> 10, dac_val);
}

/* chan_to_field
 *
 * convert a colour value into a field position
 *
 * from pxafb.c
 */

static inline unsigned int chan_to_field(unsigned int chan,
					 struct fb_bitfield *bf)
{
	chan &= 0xffff;
	chan >>= 16 - bf->length;
	return chan << bf->offset;
}

static int smtc_blank(int blank_mode, struct fb_info *info)
{
	/* clear DPMS setting */
	switch (blank_mode) {
	case FB_BLANK_UNBLANK:
		/* Screen On: HSync: On, VSync : On */
		smtc_seqw(0x01, (smtc_seqr(0x01) & (~0x20)));
		smtc_seqw(0x6a, 0x16);
		smtc_seqw(0x6b, 0x02);
		smtc_seqw(0x21, (smtc_seqr(0x21) & 0x77));
		smtc_seqw(0x22, (smtc_seqr(0x22) & (~0x30)));
		smtc_seqw(0x23, (smtc_seqr(0x23) & (~0xc0)));
		smtc_seqw(0x24, (smtc_seqr(0x24) | 0x01));
		smtc_seqw(0x31, (smtc_seqr(0x31) | 0x03));
		break;
	case FB_BLANK_NORMAL:
		/* Screen Off: HSync: On, VSync : On   Soft blank */
		smtc_seqw(0x01, (smtc_seqr(0x01) & (~0x20)));
		smtc_seqw(0x6a, 0x16);
		smtc_seqw(0x6b, 0x02);
		smtc_seqw(0x22, (smtc_seqr(0x22) & (~0x30)));
		smtc_seqw(0x23, (smtc_seqr(0x23) & (~0xc0)));
		smtc_seqw(0x24, (smtc_seqr(0x24) | 0x01));
		smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00));
		break;
	case FB_BLANK_VSYNC_SUSPEND:
		/* Screen On: HSync: On, VSync : Off */
		smtc_seqw(0x01, (smtc_seqr(0x01) | 0x20));
		smtc_seqw(0x20, (smtc_seqr(0x20) & (~0xB0)));
		smtc_seqw(0x6a, 0x0c);
		smtc_seqw(0x6b, 0x02);
		smtc_seqw(0x21, (smtc_seqr(0x21) | 0x88));
		smtc_seqw(0x22, ((smtc_seqr(0x22) & (~0x30)) | 0x20));
		smtc_seqw(0x23, ((smtc_seqr(0x23) & (~0xc0)) | 0x20));
		smtc_seqw(0x24, (smtc_seqr(0x24) & (~0x01)));
		smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00));
		smtc_seqw(0x34, (smtc_seqr(0x34) | 0x80));
		break;
	case FB_BLANK_HSYNC_SUSPEND:
		/* Screen On: HSync: Off, VSync : On */
		smtc_seqw(0x01, (smtc_seqr(0x01) | 0x20));
		smtc_seqw(0x20, (smtc_seqr(0x20) & (~0xB0)));
		smtc_seqw(0x6a, 0x0c);
		smtc_seqw(0x6b, 0x02);
		smtc_seqw(0x21, (smtc_seqr(0x21) | 0x88));
		smtc_seqw(0x22, ((smtc_seqr(0x22) & (~0x30)) | 0x10));
		smtc_seqw(0x23, ((smtc_seqr(0x23) & (~0xc0)) | 0xD8));
		smtc_seqw(0x24, (smtc_seqr(0x24) & (~0x01)));
		smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00));
		smtc_seqw(0x34, (smtc_seqr(0x34) | 0x80));
		break;
	case FB_BLANK_POWERDOWN:
		/* Screen On: HSync: Off, VSync : Off */
		smtc_seqw(0x01, (smtc_seqr(0x01) | 0x20));
		smtc_seqw(0x20, (smtc_seqr(0x20) & (~0xB0)));
		smtc_seqw(0x6a, 0x0c);
		smtc_seqw(0x6b, 0x02);
		smtc_seqw(0x21, (smtc_seqr(0x21) | 0x88));
		smtc_seqw(0x22, ((smtc_seqr(0x22) & (~0x30)) | 0x30));
		smtc_seqw(0x23, ((smtc_seqr(0x23) & (~0xc0)) | 0xD8));
		smtc_seqw(0x24, (smtc_seqr(0x24) & (~0x01)));
		smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00));
		smtc_seqw(0x34, (smtc_seqr(0x34) | 0x80));
		break;
	default:
		return -EINVAL;
	}

	return 0;
}

899 900 901
static int smtc_setcolreg(unsigned int regno, unsigned int red,
			  unsigned int green, unsigned int blue,
			  unsigned int trans, struct fb_info *info)
902 903 904 905 906 907 908 909 910
{
	struct smtcfb_info *sfb;
	u32 val;

	sfb = info->par;

	if (regno > 255)
		return 1;

911
	switch (sfb->fb->fix.visual) {
912 913 914 915 916
	case FB_VISUAL_DIRECTCOLOR:
	case FB_VISUAL_TRUECOLOR:
		/*
		 * 16/32 bit true-colour, use pseudo-palette for 16 base color
		 */
917 918 919 920 921 922 923 924
		if (regno >= 16)
			break;
		if (sfb->fb->var.bits_per_pixel == 16) {
			u32 *pal = sfb->fb->pseudo_palette;

			val = chan_to_field(red, &sfb->fb->var.red);
			val |= chan_to_field(green, &sfb->fb->var.green);
			val |= chan_to_field(blue, &sfb->fb->var.blue);
925
			pal[regno] = pal_rgb(red, green, blue, val);
926 927
		} else {
			u32 *pal = sfb->fb->pseudo_palette;
928

929 930 931
			val = chan_to_field(red, &sfb->fb->var.red);
			val |= chan_to_field(green, &sfb->fb->var.green);
			val |= chan_to_field(blue, &sfb->fb->var.blue);
932
			pal[regno] = big_swap(val);
933 934 935 936 937 938 939 940 941 942 943 944 945 946 947
		}
		break;

	case FB_VISUAL_PSEUDOCOLOR:
		/* color depth 8 bit */
		sm712_setpalette(regno, red, green, blue, info);
		break;

	default:
		return 1;	/* unknown type */
	}

	return 0;
}

948 949
static ssize_t smtcfb_read(struct fb_info *info, char __user *buf,
			   size_t count, loff_t *ppos)
950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981
{
	unsigned long p = *ppos;

	u32 *buffer, *dst;
	u32 __iomem *src;
	int c, i, cnt = 0, err = 0;
	unsigned long total_size;

	if (!info || !info->screen_base)
		return -ENODEV;

	if (info->state != FBINFO_STATE_RUNNING)
		return -EPERM;

	total_size = info->screen_size;

	if (total_size == 0)
		total_size = info->fix.smem_len;

	if (p >= total_size)
		return 0;

	if (count >= total_size)
		count = total_size;

	if (count + p > total_size)
		count = total_size - p;

	buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
	if (!buffer)
		return -ENOMEM;

982
	src = (u32 __iomem *)(info->screen_base + p);
983 984 985 986 987 988 989 990 991

	if (info->fbops->fb_sync)
		info->fbops->fb_sync(info);

	while (count) {
		c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
		dst = buffer;
		for (i = c >> 2; i--;) {
			*dst = fb_readl(src++);
992
			*dst = big_swap(*dst);
993 994 995
			dst++;
		}
		if (c & 3) {
996 997
			u8 *dst8 = (u8 *)dst;
			u8 __iomem *src8 = (u8 __iomem *)src;
998 999 1000 1001 1002 1003 1004 1005 1006

			for (i = c & 3; i--;) {
				if (i & 1) {
					*dst8++ = fb_readb(++src8);
				} else {
					*dst8++ = fb_readb(--src8);
					src8 += 2;
				}
			}
1007
			src = (u32 __iomem *)src8;
1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024
		}

		if (copy_to_user(buf, buffer, c)) {
			err = -EFAULT;
			break;
		}
		*ppos += c;
		buf += c;
		cnt += c;
		count -= c;
	}

	kfree(buffer);

	return (err) ? err : cnt;
}

1025 1026
static ssize_t smtcfb_write(struct fb_info *info, const char __user *buf,
			    size_t count, loff_t *ppos)
1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064
{
	unsigned long p = *ppos;

	u32 *buffer, *src;
	u32 __iomem *dst;
	int c, i, cnt = 0, err = 0;
	unsigned long total_size;

	if (!info || !info->screen_base)
		return -ENODEV;

	if (info->state != FBINFO_STATE_RUNNING)
		return -EPERM;

	total_size = info->screen_size;

	if (total_size == 0)
		total_size = info->fix.smem_len;

	if (p > total_size)
		return -EFBIG;

	if (count > total_size) {
		err = -EFBIG;
		count = total_size;
	}

	if (count + p > total_size) {
		if (!err)
			err = -ENOSPC;

		count = total_size - p;
	}

	buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
	if (!buffer)
		return -ENOMEM;

1065
	dst = (u32 __iomem *)(info->screen_base + p);
1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079

	if (info->fbops->fb_sync)
		info->fbops->fb_sync(info);

	while (count) {
		c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
		src = buffer;

		if (copy_from_user(src, buf, c)) {
			err = -EFAULT;
			break;
		}

		for (i = c >> 2; i--;) {
1080
			fb_writel(big_swap(*src), dst++);
1081 1082 1083
			src++;
		}
		if (c & 3) {
1084 1085
			u8 *src8 = (u8 *)src;
			u8 __iomem *dst8 = (u8 __iomem *)dst;
1086 1087 1088 1089 1090 1091 1092 1093 1094

			for (i = c & 3; i--;) {
				if (i & 1) {
					fb_writeb(*src8++, ++dst8);
				} else {
					fb_writeb(*src8++, --dst8);
					dst8 += 2;
				}
			}
1095
			dst = (u32 __iomem *)dst8;
1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111
		}

		*ppos += c;
		buf += c;
		cnt += c;
		count -= c;
	}

	kfree(buffer);

	return (cnt) ? cnt : err;
}

static void sm7xx_set_timing(struct smtcfb_info *sfb)
{
	int i = 0, j = 0;
1112
	u32 m_nscreenstride;
1113 1114

	dev_dbg(&sfb->pdev->dev,
1115 1116
		"sfb->width=%d sfb->height=%d sfb->fb->var.bits_per_pixel=%d sfb->hz=%d\n",
		sfb->width, sfb->height, sfb->fb->var.bits_per_pixel, sfb->hz);
1117

1118
	for (j = 0; j < ARRAY_SIZE(vgamode); j++) {
1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147
		if (vgamode[j].mmsizex != sfb->width ||
		    vgamode[j].mmsizey != sfb->height ||
		    vgamode[j].bpp != sfb->fb->var.bits_per_pixel ||
		    vgamode[j].hz != sfb->hz)
			continue;

		dev_dbg(&sfb->pdev->dev,
			"vgamode[j].mmsizex=%d vgamode[j].mmSizeY=%d vgamode[j].bpp=%d vgamode[j].hz=%d\n",
			vgamode[j].mmsizex, vgamode[j].mmsizey,
			vgamode[j].bpp, vgamode[j].hz);

		dev_dbg(&sfb->pdev->dev, "vgamode index=%d\n", j);

		smtc_mmiowb(0x0, 0x3c6);

		smtc_seqw(0, 0x1);

		smtc_mmiowb(vgamode[j].init_misc, 0x3c2);

		/* init SEQ register SR00 - SR04 */
		for (i = 0; i < SIZE_SR00_SR04; i++)
			smtc_seqw(i, vgamode[j].init_sr00_sr04[i]);

		/* init SEQ register SR10 - SR24 */
		for (i = 0; i < SIZE_SR10_SR24; i++)
			smtc_seqw(i + 0x10, vgamode[j].init_sr10_sr24[i]);

		/* init SEQ register SR30 - SR75 */
		for (i = 0; i < SIZE_SR30_SR75; i++)
1148
			if ((i + 0x30) != 0x30 && (i + 0x30) != 0x62 &&
1149 1150 1151
			    (i + 0x30) != 0x6a && (i + 0x30) != 0x6b &&
			    (i + 0x30) != 0x70 && (i + 0x30) != 0x71 &&
			    (i + 0x30) != 0x74 && (i + 0x30) != 0x75)
1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181
				smtc_seqw(i + 0x30,
					  vgamode[j].init_sr30_sr75[i]);

		/* init SEQ register SR80 - SR93 */
		for (i = 0; i < SIZE_SR80_SR93; i++)
			smtc_seqw(i + 0x80, vgamode[j].init_sr80_sr93[i]);

		/* init SEQ register SRA0 - SRAF */
		for (i = 0; i < SIZE_SRA0_SRAF; i++)
			smtc_seqw(i + 0xa0, vgamode[j].init_sra0_sraf[i]);

		/* init Graphic register GR00 - GR08 */
		for (i = 0; i < SIZE_GR00_GR08; i++)
			smtc_grphw(i, vgamode[j].init_gr00_gr08[i]);

		/* init Attribute register AR00 - AR14 */
		for (i = 0; i < SIZE_AR00_AR14; i++)
			smtc_attrw(i, vgamode[j].init_ar00_ar14[i]);

		/* init CRTC register CR00 - CR18 */
		for (i = 0; i < SIZE_CR00_CR18; i++)
			smtc_crtcw(i, vgamode[j].init_cr00_cr18[i]);

		/* init CRTC register CR30 - CR4D */
		for (i = 0; i < SIZE_CR30_CR4D; i++)
			smtc_crtcw(i + 0x30, vgamode[j].init_cr30_cr4d[i]);

		/* init CRTC register CR90 - CRA7 */
		for (i = 0; i < SIZE_CR90_CRA7; i++)
			smtc_crtcw(i + 0x90, vgamode[j].init_cr90_cra7[i]);
1182 1183 1184 1185 1186 1187 1188 1189
	}
	smtc_mmiowb(0x67, 0x3c2);

	/* set VPR registers */
	writel(0x0, sfb->vp_regs + 0x0C);
	writel(0x0, sfb->vp_regs + 0x40);

	/* set data width */
1190
	m_nscreenstride = (sfb->width * sfb->fb->var.bits_per_pixel) / 64;
1191
	switch (sfb->fb->var.bits_per_pixel) {
1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204
	case 8:
		writel(0x0, sfb->vp_regs + 0x0);
		break;
	case 16:
		writel(0x00020000, sfb->vp_regs + 0x0);
		break;
	case 24:
		writel(0x00040000, sfb->vp_regs + 0x0);
		break;
	case 32:
		writel(0x00030000, sfb->vp_regs + 0x0);
		break;
	}
1205
	writel((u32)(((m_nscreenstride + 2) << 16) | m_nscreenstride),
1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221
	       sfb->vp_regs + 0x10);
}

static void smtc_set_timing(struct smtcfb_info *sfb)
{
	switch (sfb->chip_id) {
	case 0x710:
	case 0x712:
	case 0x720:
		sm7xx_set_timing(sfb);
		break;
	}
}

static void smtcfb_setmode(struct smtcfb_info *sfb)
{
1222
	switch (sfb->fb->var.bits_per_pixel) {
1223
	case 32:
1224 1225 1226 1227 1228 1229 1230 1231
		sfb->fb->fix.visual       = FB_VISUAL_TRUECOLOR;
		sfb->fb->fix.line_length  = sfb->fb->var.xres * 4;
		sfb->fb->var.red.length   = 8;
		sfb->fb->var.green.length = 8;
		sfb->fb->var.blue.length  = 8;
		sfb->fb->var.red.offset   = 16;
		sfb->fb->var.green.offset = 8;
		sfb->fb->var.blue.offset  = 0;
1232 1233
		break;
	case 24:
1234 1235 1236 1237 1238 1239 1240 1241
		sfb->fb->fix.visual       = FB_VISUAL_TRUECOLOR;
		sfb->fb->fix.line_length  = sfb->fb->var.xres * 3;
		sfb->fb->var.red.length   = 8;
		sfb->fb->var.green.length = 8;
		sfb->fb->var.blue.length  = 8;
		sfb->fb->var.red.offset   = 16;
		sfb->fb->var.green.offset = 8;
		sfb->fb->var.blue.offset  = 0;
1242 1243
		break;
	case 8:
1244 1245 1246 1247 1248 1249 1250 1251
		sfb->fb->fix.visual       = FB_VISUAL_PSEUDOCOLOR;
		sfb->fb->fix.line_length  = sfb->fb->var.xres;
		sfb->fb->var.red.length   = 3;
		sfb->fb->var.green.length = 3;
		sfb->fb->var.blue.length  = 2;
		sfb->fb->var.red.offset   = 5;
		sfb->fb->var.green.offset = 2;
		sfb->fb->var.blue.offset  = 0;
1252 1253 1254
		break;
	case 16:
	default:
1255 1256 1257 1258 1259 1260 1261 1262
		sfb->fb->fix.visual       = FB_VISUAL_TRUECOLOR;
		sfb->fb->fix.line_length  = sfb->fb->var.xres * 2;
		sfb->fb->var.red.length   = 5;
		sfb->fb->var.green.length = 6;
		sfb->fb->var.blue.length  = 5;
		sfb->fb->var.red.offset   = 11;
		sfb->fb->var.green.offset = 5;
		sfb->fb->var.blue.offset  = 0;
1263 1264 1265
		break;
	}

1266 1267
	sfb->width  = sfb->fb->var.xres;
	sfb->height = sfb->fb->var.yres;
1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314
	sfb->hz = 60;
	smtc_set_timing(sfb);
}

static int smtc_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
{
	/* sanity checks */
	if (var->xres_virtual < var->xres)
		var->xres_virtual = var->xres;

	if (var->yres_virtual < var->yres)
		var->yres_virtual = var->yres;

	/* set valid default bpp */
	if ((var->bits_per_pixel != 8)  && (var->bits_per_pixel != 16) &&
	    (var->bits_per_pixel != 24) && (var->bits_per_pixel != 32))
		var->bits_per_pixel = 16;

	return 0;
}

static int smtc_set_par(struct fb_info *info)
{
	smtcfb_setmode(info->par);

	return 0;
}

static struct fb_ops smtcfb_ops = {
	.owner        = THIS_MODULE,
	.fb_check_var = smtc_check_var,
	.fb_set_par   = smtc_set_par,
	.fb_setcolreg = smtc_setcolreg,
	.fb_blank     = smtc_blank,
	.fb_fillrect  = cfb_fillrect,
	.fb_imageblit = cfb_imageblit,
	.fb_copyarea  = cfb_copyarea,
	.fb_read      = smtcfb_read,
	.fb_write     = smtcfb_write,
};

/*
 * Unmap in the memory mapped IO registers
 */

static void smtc_unmap_mmio(struct smtcfb_info *sfb)
{
1315 1316
	if (sfb && smtc_regbaseaddress)
		smtc_regbaseaddress = NULL;
1317 1318 1319 1320 1321 1322 1323
}

/*
 * Map in the screen memory
 */

static int smtc_map_smem(struct smtcfb_info *sfb,
1324
			 struct pci_dev *pdev, u_long smem_len)
1325
{
1326
	sfb->fb->fix.smem_start = pci_resource_start(pdev, 0);
1327

1328
	if (sfb->fb->var.bits_per_pixel == 32)
1329
		sfb->fb->fix.smem_start += big_addr;
1330

1331
	sfb->fb->fix.smem_len = smem_len;
1332

1333
	sfb->fb->screen_base = sfb->lfb;
1334

1335
	if (!sfb->fb->screen_base) {
1336
		dev_err(&pdev->dev,
1337
			"%s: unable to map screen memory\n", sfb->fb->fix.id);
1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349
		return -ENOMEM;
	}

	return 0;
}

/*
 * Unmap in the screen memory
 *
 */
static void smtc_unmap_smem(struct smtcfb_info *sfb)
{
1350 1351 1352
	if (sfb && sfb->fb->screen_base) {
		iounmap(sfb->fb->screen_base);
		sfb->fb->screen_base = NULL;
1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365
	}
}

/*
 * We need to wake up the device and make sure its in linear memory mode.
 */
static inline void sm7xx_init_hw(void)
{
	outb_p(0x18, 0x3c4);
	outb_p(0x11, 0x3c5);
}

static int smtcfb_pci_probe(struct pci_dev *pdev,
1366
			    const struct pci_device_id *ent)
1367 1368
{
	struct smtcfb_info *sfb;
1369
	struct fb_info *info;
1370 1371 1372 1373
	u_long smem_size = 0x00800000;	/* default 8MB */
	int err;
	unsigned long mmio_base;

S
Sudip Mukherjee 已提交
1374
	dev_info(&pdev->dev, "Silicon Motion display driver.\n");
1375 1376 1377 1378 1379

	err = pci_enable_device(pdev);	/* enable SMTC chip */
	if (err)
		return err;

1380 1381 1382 1383 1384 1385
	err = pci_request_region(pdev, 0, "sm7xxfb");
	if (err < 0) {
		dev_err(&pdev->dev, "cannot reserve framebuffer region\n");
		goto failed_regions;
	}

1386 1387
	sprintf(smtcfb_fix.id, "sm%Xfb", ent->device);

1388 1389 1390
	info = framebuffer_alloc(sizeof(*sfb), &pdev->dev);
	if (!info) {
		dev_err(&pdev->dev, "framebuffer_alloc failed\n");
1391 1392 1393 1394
		err = -ENOMEM;
		goto failed_free;
	}

1395 1396
	sfb = info->par;
	sfb->fb = info;
1397
	sfb->chip_id = ent->device;
1398 1399 1400 1401 1402 1403 1404
	sfb->pdev = pdev;
	info->flags = FBINFO_FLAG_DEFAULT;
	info->fbops = &smtcfb_ops;
	info->fix = smtcfb_fix;
	info->var = smtcfb_var;
	info->pseudo_palette = sfb->colreg;
	info->par = sfb;
1405 1406 1407 1408 1409 1410 1411

	pci_set_drvdata(pdev, sfb);

	sm7xx_init_hw();

	/* get mode parameter from smtc_scr_info */
	if (smtc_scr_info.lfb_width != 0) {
1412 1413 1414
		sfb->fb->var.xres = smtc_scr_info.lfb_width;
		sfb->fb->var.yres = smtc_scr_info.lfb_height;
		sfb->fb->var.bits_per_pixel = smtc_scr_info.lfb_depth;
1415 1416
	} else {
		/* default resolution 1024x600 16bit mode */
1417 1418 1419
		sfb->fb->var.xres = SCREEN_X_RES;
		sfb->fb->var.yres = SCREEN_Y_RES;
		sfb->fb->var.bits_per_pixel = SCREEN_BPP;
1420 1421
	}

1422
	big_pixel_depth(sfb->fb->var.bits_per_pixel, smtc_scr_info.lfb_depth);
1423 1424 1425 1426 1427 1428 1429
	/* Map address and memory detection */
	mmio_base = pci_resource_start(pdev, 0);
	pci_read_config_byte(pdev, PCI_REVISION_ID, &sfb->chip_rev_id);

	switch (sfb->chip_id) {
	case 0x710:
	case 0x712:
1430 1431
		sfb->fb->fix.mmio_start = mmio_base + 0x00400000;
		sfb->fb->fix.mmio_len = 0x00400000;
1432
		smem_size = SM712_VIDEOMEMORYSIZE;
1433
		sfb->lfb = ioremap(mmio_base, mmio_addr);
1434 1435 1436 1437 1438 1439 1440 1441
		if (!sfb->lfb) {
			dev_err(&pdev->dev,
				"%s: unable to map memory mapped IO!\n",
				sfb->fb->fix.id);
			err = -ENOMEM;
			goto failed_fb;
		}

1442
		sfb->mmio = (smtc_regbaseaddress =
1443 1444 1445
		    sfb->lfb + 0x00700000);
		sfb->dp_regs = sfb->lfb + 0x00408000;
		sfb->vp_regs = sfb->lfb + 0x0040c000;
1446
		if (sfb->fb->var.bits_per_pixel == 32) {
1447
			sfb->lfb += big_addr;
S
Sudip Mukherjee 已提交
1448
			dev_info(&pdev->dev, "sfb->lfb=%p\n", sfb->lfb);
1449 1450 1451 1452 1453 1454 1455 1456 1457
		}

		/* set MCLK = 14.31818 * (0x16 / 0x2) */
		smtc_seqw(0x6a, 0x16);
		smtc_seqw(0x6b, 0x02);
		smtc_seqw(0x62, 0x3e);
		/* enable PCI burst */
		smtc_seqw(0x17, 0x20);
		/* enable word swap */
1458
		if (sfb->fb->var.bits_per_pixel == 32)
1459
			seqw17();
1460 1461
		break;
	case 0x720:
1462 1463
		sfb->fb->fix.mmio_start = mmio_base;
		sfb->fb->fix.mmio_len = 0x00200000;
1464 1465 1466
		smem_size = SM722_VIDEOMEMORYSIZE;
		sfb->dp_regs = ioremap(mmio_base, 0x00a00000);
		sfb->lfb = sfb->dp_regs + 0x00200000;
1467
		sfb->mmio = (smtc_regbaseaddress =
1468 1469 1470 1471 1472 1473 1474 1475 1476
		    sfb->dp_regs + 0x000c0000);
		sfb->vp_regs = sfb->dp_regs + 0x800;

		smtc_seqw(0x62, 0xff);
		smtc_seqw(0x6a, 0x0d);
		smtc_seqw(0x6b, 0x02);
		break;
	default:
		dev_err(&pdev->dev,
S
Sudip Mukherjee 已提交
1477
			"No valid Silicon Motion display chip was detected!\n");
1478 1479 1480 1481 1482

		goto failed_fb;
	}

	/* can support 32 bpp */
1483
	if (sfb->fb->var.bits_per_pixel == 15)
1484
		sfb->fb->var.bits_per_pixel = 16;
1485

1486 1487
	sfb->fb->var.xres_virtual = sfb->fb->var.xres;
	sfb->fb->var.yres_virtual = sfb->fb->var.yres;
1488 1489 1490 1491 1492 1493
	err = smtc_map_smem(sfb, pdev, smem_size);
	if (err)
		goto failed;

	smtcfb_setmode(sfb);

1494
	err = register_framebuffer(info);
1495 1496 1497 1498
	if (err < 0)
		goto failed;

	dev_info(&pdev->dev,
S
Sudip Mukherjee 已提交
1499
		 "Silicon Motion SM%X Rev%X primary display mode %dx%d-%d Init Complete.\n",
1500 1501
		 sfb->chip_id, sfb->chip_rev_id, sfb->fb->var.xres,
		 sfb->fb->var.yres, sfb->fb->var.bits_per_pixel);
1502 1503 1504 1505

	return 0;

failed:
S
Sudip Mukherjee 已提交
1506
	dev_err(&pdev->dev, "Silicon Motion, Inc. primary display init fail.\n");
1507 1508 1509 1510

	smtc_unmap_smem(sfb);
	smtc_unmap_mmio(sfb);
failed_fb:
1511
	framebuffer_release(info);
1512 1513

failed_free:
1514 1515 1516
	pci_release_region(pdev, 0);

failed_regions:
1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533
	pci_disable_device(pdev);

	return err;
}

/*
 * 0x710 (LynxEM)
 * 0x712 (LynxEM+)
 * 0x720 (Lynx3DM, Lynx3DM+)
 */
static const struct pci_device_id smtcfb_pci_table[] = {
	{ PCI_DEVICE(0x126f, 0x710), },
	{ PCI_DEVICE(0x126f, 0x712), },
	{ PCI_DEVICE(0x126f, 0x720), },
	{0,}
};

1534 1535
MODULE_DEVICE_TABLE(pci, smtcfb_pci_table);

1536 1537 1538 1539 1540 1541 1542
static void smtcfb_pci_remove(struct pci_dev *pdev)
{
	struct smtcfb_info *sfb;

	sfb = pci_get_drvdata(pdev);
	smtc_unmap_smem(sfb);
	smtc_unmap_mmio(sfb);
1543 1544
	unregister_framebuffer(sfb->fb);
	framebuffer_release(sfb->fb);
1545
	pci_release_region(pdev, 0);
1546
	pci_disable_device(pdev);
1547 1548
}

1549
static int __maybe_unused smtcfb_pci_suspend(struct device *device)
1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562
{
	struct pci_dev *pdev = to_pci_dev(device);
	struct smtcfb_info *sfb;

	sfb = pci_get_drvdata(pdev);

	/* set the hw in sleep mode use external clock and self memory refresh
	 * so that we can turn off internal PLLs later on
	 */
	smtc_seqw(0x20, (smtc_seqr(0x20) | 0xc0));
	smtc_seqw(0x69, (smtc_seqr(0x69) & 0xf7));

	console_lock();
1563
	fb_set_suspend(sfb->fb, 1);
1564 1565 1566 1567 1568 1569 1570 1571
	console_unlock();

	/* additionally turn off all function blocks including internal PLLs */
	smtc_seqw(0x21, 0xff);

	return 0;
}

1572
static int __maybe_unused smtcfb_pci_resume(struct device *device)
1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589
{
	struct pci_dev *pdev = to_pci_dev(device);
	struct smtcfb_info *sfb;

	sfb = pci_get_drvdata(pdev);

	/* reinit hardware */
	sm7xx_init_hw();
	switch (sfb->chip_id) {
	case 0x710:
	case 0x712:
		/* set MCLK = 14.31818 *  (0x16 / 0x2) */
		smtc_seqw(0x6a, 0x16);
		smtc_seqw(0x6b, 0x02);
		smtc_seqw(0x62, 0x3e);
		/* enable PCI burst */
		smtc_seqw(0x17, 0x20);
1590
		if (sfb->fb->var.bits_per_pixel == 32)
1591
			seqw17();
1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605
		break;
	case 0x720:
		smtc_seqw(0x62, 0xff);
		smtc_seqw(0x6a, 0x0d);
		smtc_seqw(0x6b, 0x02);
		break;
	}

	smtc_seqw(0x34, (smtc_seqr(0x34) | 0xc0));
	smtc_seqw(0x33, ((smtc_seqr(0x33) | 0x08) & 0xfb));

	smtcfb_setmode(sfb);

	console_lock();
1606
	fb_set_suspend(sfb->fb, 0);
1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618
	console_unlock();

	return 0;
}

static SIMPLE_DEV_PM_OPS(sm7xx_pm_ops, smtcfb_pci_suspend, smtcfb_pci_resume);

static struct pci_driver smtcfb_driver = {
	.name = "smtcfb",
	.id_table = smtcfb_pci_table,
	.probe = smtcfb_pci_probe,
	.remove = smtcfb_pci_remove,
1619
	.driver.pm  = &sm7xx_pm_ops,
1620 1621
};

1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642
static int __init sm712fb_init(void)
{
	char *option = NULL;

	if (fb_get_options("sm712fb", &option))
		return -ENODEV;
	if (option && *option)
		mode_option = option;
	sm7xx_vga_setup(mode_option);

	return pci_register_driver(&smtcfb_driver);
}

module_init(sm712fb_init);

static void __exit sm712fb_exit(void)
{
	pci_unregister_driver(&smtcfb_driver);
}

module_exit(sm712fb_exit);
1643 1644 1645 1646

MODULE_AUTHOR("Siliconmotion ");
MODULE_DESCRIPTION("Framebuffer driver for SMI Graphic Cards");
MODULE_LICENSE("GPL");