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linuxdebug/drivers/video/fbdev/sm712fb.c

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null pointer error
2024-07-16 15:50:57 +02:00
/*
* 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/aperture.h>
#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>
#include "sm712.h"
/*
* Private structure
*/
struct smtcfb_info {
struct pci_dev *pdev;
struct fb_info *fb;
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];
};
void __iomem *smtc_regbaseaddress; /* Memory Map IO starting address */
static const struct fb_var_screeninfo smtcfb_var = {
.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;
};
static const struct vesa_mode vesa_mode_table[] = {
{"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},
};
/**********************************************************************
SM712 Mode table.
**********************************************************************/
static const struct modeinit vgamode[] = {
{
/* 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,
},
},
{
/* 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,
},
},
{
/* 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,
},
},
{ /* 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,
},
},
/* We use 1024x768 table to light 1024x600 panel for lemote */
{ /* 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,
},
},
{ /* 1024 x 768 16Bpp 60Hz */
1024, 768, 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, 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,
0x0F, 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#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,
},
},
{ /* 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,
},
},
};
static struct screen_info smtc_scr_info;
static char *mode_option;
/* process command line options, get vga parameter */
static void __init sm7xx_vga_setup(char *options)
{
int i;
if (!options || !*options)
return;
smtc_scr_info.lfb_width = 0;
smtc_scr_info.lfb_height = 0;
smtc_scr_info.lfb_depth = 0;
pr_debug("%s = %s\n", __func__, options);
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;
return;
}
}
}
static void sm712_setpalette(int regno, unsigned int red, unsigned int green,
unsigned int blue, struct fb_info *info)
{
/* 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)
{
struct smtcfb_info *sfb = info->par;
/* clear DPMS setting */
switch (blank_mode) {
case FB_BLANK_UNBLANK:
/* Screen On: HSync: On, VSync : On */
switch (sfb->chip_id) {
case 0x710:
case 0x712:
smtc_seqw(0x6a, 0x16);
smtc_seqw(0x6b, 0x02);
break;
case 0x720:
smtc_seqw(0x6a, 0x0d);
smtc_seqw(0x6b, 0x02);
break;
}
smtc_seqw(0x23, (smtc_seqr(0x23) & (~0xc0)));
smtc_seqw(0x01, (smtc_seqr(0x01) & (~0x20)));
smtc_seqw(0x21, (smtc_seqr(0x21) & 0x77));
smtc_seqw(0x22, (smtc_seqr(0x22) & (~0x30)));
smtc_seqw(0x31, (smtc_seqr(0x31) | 0x03));
smtc_seqw(0x24, (smtc_seqr(0x24) | 0x01));
break;
case FB_BLANK_NORMAL:
/* Screen Off: HSync: On, VSync : On Soft blank */
smtc_seqw(0x24, (smtc_seqr(0x24) | 0x01));
smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00));
smtc_seqw(0x23, (smtc_seqr(0x23) & (~0xc0)));
smtc_seqw(0x01, (smtc_seqr(0x01) & (~0x20)));
smtc_seqw(0x22, (smtc_seqr(0x22) & (~0x30)));
smtc_seqw(0x6a, 0x16);
smtc_seqw(0x6b, 0x02);
break;
case FB_BLANK_VSYNC_SUSPEND:
/* Screen On: HSync: On, VSync : Off */
smtc_seqw(0x24, (smtc_seqr(0x24) & (~0x01)));
smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00));
smtc_seqw(0x23, ((smtc_seqr(0x23) & (~0xc0)) | 0x20));
smtc_seqw(0x01, (smtc_seqr(0x01) | 0x20));
smtc_seqw(0x21, (smtc_seqr(0x21) | 0x88));
smtc_seqw(0x20, (smtc_seqr(0x20) & (~0xB0)));
smtc_seqw(0x22, ((smtc_seqr(0x22) & (~0x30)) | 0x20));
smtc_seqw(0x34, (smtc_seqr(0x34) | 0x80));
smtc_seqw(0x6a, 0x0c);
smtc_seqw(0x6b, 0x02);
break;
case FB_BLANK_HSYNC_SUSPEND:
/* Screen On: HSync: Off, VSync : On */
smtc_seqw(0x24, (smtc_seqr(0x24) & (~0x01)));
smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00));
smtc_seqw(0x23, ((smtc_seqr(0x23) & (~0xc0)) | 0xD8));
smtc_seqw(0x01, (smtc_seqr(0x01) | 0x20));
smtc_seqw(0x21, (smtc_seqr(0x21) | 0x88));
smtc_seqw(0x20, (smtc_seqr(0x20) & (~0xB0)));
smtc_seqw(0x22, ((smtc_seqr(0x22) & (~0x30)) | 0x10));
smtc_seqw(0x34, (smtc_seqr(0x34) | 0x80));
smtc_seqw(0x6a, 0x0c);
smtc_seqw(0x6b, 0x02);
break;
case FB_BLANK_POWERDOWN:
/* Screen On: HSync: Off, VSync : Off */
smtc_seqw(0x24, (smtc_seqr(0x24) & (~0x01)));
smtc_seqw(0x31, ((smtc_seqr(0x31) & (~0x07)) | 0x00));
smtc_seqw(0x23, ((smtc_seqr(0x23) & (~0xc0)) | 0xD8));
smtc_seqw(0x01, (smtc_seqr(0x01) | 0x20));
smtc_seqw(0x21, (smtc_seqr(0x21) | 0x88));
smtc_seqw(0x20, (smtc_seqr(0x20) & (~0xB0)));
smtc_seqw(0x22, ((smtc_seqr(0x22) & (~0x30)) | 0x30));
smtc_seqw(0x34, (smtc_seqr(0x34) | 0x80));
smtc_seqw(0x6a, 0x0c);
smtc_seqw(0x6b, 0x02);
break;
default:
return -EINVAL;
}
return 0;
}
static int smtc_setcolreg(unsigned int regno, unsigned int red,
unsigned int green, unsigned int blue,
unsigned int trans, struct fb_info *info)
{
struct smtcfb_info *sfb;
u32 val;
sfb = info->par;
if (regno > 255)
return 1;
switch (sfb->fb->fix.visual) {
case FB_VISUAL_DIRECTCOLOR:
case FB_VISUAL_TRUECOLOR:
/*
* 16/32 bit true-colour, use pseudo-palette for 16 base color
*/
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);
pal[regno] = pal_rgb(red, green, blue, val);
} else {
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);
pal[regno] = big_swap(val);
}
break;
case FB_VISUAL_PSEUDOCOLOR:
/* color depth 8 bit */
sm712_setpalette(regno, red, green, blue, info);
break;
default:
return 1; /* unknown type */
}
return 0;
}
static ssize_t smtcfb_read(struct fb_info *info, char __user *buf,
size_t count, loff_t *ppos)
{
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(PAGE_SIZE, GFP_KERNEL);
if (!buffer)
return -ENOMEM;
src = (u32 __iomem *)(info->screen_base + p);
if (info->fbops->fb_sync)
info->fbops->fb_sync(info);
while (count) {
c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
dst = buffer;
for (i = (c + 3) >> 2; i--;) {
u32 val;
val = fb_readl(src);
*dst = big_swap(val);
src++;
dst++;
}
if (copy_to_user(buf, buffer, c)) {
err = -EFAULT;
break;
}
*ppos += c;
buf += c;
cnt += c;
count -= c;
}
kfree(buffer);
return (err) ? err : cnt;
}
static ssize_t smtcfb_write(struct fb_info *info, const char __user *buf,
size_t count, loff_t *ppos)
{
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(PAGE_SIZE, GFP_KERNEL);
if (!buffer)
return -ENOMEM;
dst = (u32 __iomem *)(info->screen_base + p);
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 + 3) >> 2; i--;) {
fb_writel(big_swap(*src), dst);
dst++;
src++;
}
*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;
u32 m_nscreenstride;
dev_dbg(&sfb->pdev->dev,
"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);
for (j = 0; j < ARRAY_SIZE(vgamode); j++) {
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++)
if ((i + 0x30) != 0x30 && (i + 0x30) != 0x62 &&
(i + 0x30) != 0x6a && (i + 0x30) != 0x6b &&
(i + 0x30) != 0x70 && (i + 0x30) != 0x71 &&
(i + 0x30) != 0x74 && (i + 0x30) != 0x75)
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++) {
if ((i + 0x30) >= 0x3B && (i + 0x30) <= 0x3F)
/* side-effect, don't write to CR3B-CR3F */
continue;
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]);
}
smtc_mmiowb(0x67, 0x3c2);
/* set VPR registers */
writel(0x0, sfb->vp_regs + 0x0C);
writel(0x0, sfb->vp_regs + 0x40);
/* set data width */
m_nscreenstride = (sfb->width * sfb->fb->var.bits_per_pixel) / 64;
switch (sfb->fb->var.bits_per_pixel) {
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;
}
writel((u32)(((m_nscreenstride + 2) << 16) | m_nscreenstride),
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)
{
switch (sfb->fb->var.bits_per_pixel) {
case 32:
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;
break;
case 24:
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;
break;
case 8:
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;
break;
case 16:
default:
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;
break;
}
sfb->width = sfb->fb->var.xres;
sfb->height = sfb->fb->var.yres;
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 const 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)
{
if (sfb && smtc_regbaseaddress)
smtc_regbaseaddress = NULL;
}
/*
* Map in the screen memory
*/
static int smtc_map_smem(struct smtcfb_info *sfb,
struct pci_dev *pdev, u_long smem_len)
{
sfb->fb->fix.smem_start = pci_resource_start(pdev, 0);
if (sfb->chip_id == 0x720)
/* on SM720, the framebuffer starts at the 1 MB offset */
sfb->fb->fix.smem_start += 0x00200000;
/* XXX: is it safe for SM720 on Big-Endian? */
if (sfb->fb->var.bits_per_pixel == 32)
sfb->fb->fix.smem_start += big_addr;
sfb->fb->fix.smem_len = smem_len;
sfb->fb->screen_base = sfb->lfb;
if (!sfb->fb->screen_base) {
dev_err(&pdev->dev,
"%s: unable to map screen memory\n", sfb->fb->fix.id);
return -ENOMEM;
}
return 0;
}
/*
* Unmap in the screen memory
*
*/
static void smtc_unmap_smem(struct smtcfb_info *sfb)
{
if (sfb && sfb->fb->screen_base) {
if (sfb->chip_id == 0x720)
sfb->fb->screen_base -= 0x00200000;
iounmap(sfb->fb->screen_base);
sfb->fb->screen_base = NULL;
}
}
/*
* 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 u_long sm7xx_vram_probe(struct smtcfb_info *sfb)
{
u8 vram;
switch (sfb->chip_id) {
case 0x710:
case 0x712:
/*
* Assume SM712 graphics chip has 4MB VRAM.
*
* FIXME: SM712 can have 2MB VRAM, which is used on earlier
* laptops, such as IBM Thinkpad 240X. This driver would
* probably crash on those machines. If anyone gets one of
* those and is willing to help, run "git blame" and send me
* an E-mail.
*/
return 0x00400000;
case 0x720:
outb_p(0x76, 0x3c4);
vram = inb_p(0x3c5) >> 6;
if (vram == 0x00)
return 0x00800000; /* 8 MB */
else if (vram == 0x01)
return 0x01000000; /* 16 MB */
else if (vram == 0x02)
return 0x00400000; /* illegal, fallback to 4 MB */
else if (vram == 0x03)
return 0x00400000; /* 4 MB */
}
return 0; /* unknown hardware */
}
static void sm7xx_resolution_probe(struct smtcfb_info *sfb)
{
/* get mode parameter from smtc_scr_info */
if (smtc_scr_info.lfb_width != 0) {
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;
goto final;
}
/*
* No parameter, default resolution is 1024x768-16.
*
* FIXME: earlier laptops, such as IBM Thinkpad 240X, has a 800x600
* panel, also see the comments about Thinkpad 240X above.
*/
sfb->fb->var.xres = SCREEN_X_RES;
sfb->fb->var.yres = SCREEN_Y_RES_PC;
sfb->fb->var.bits_per_pixel = SCREEN_BPP;
#ifdef CONFIG_MIPS
/*
* Loongson MIPS netbooks use 1024x600 LCD panels, which is the original
* target platform of this driver, but nearly all old x86 laptops have
* 1024x768. Lighting 768 panels using 600's timings would partially
* garble the display, so we don't want that. But it's not possible to
* distinguish them reliably.
*
* So we change the default to 768, but keep 600 as-is on MIPS.
*/
sfb->fb->var.yres = SCREEN_Y_RES_NETBOOK;
#endif
final:
big_pixel_depth(sfb->fb->var.bits_per_pixel, smtc_scr_info.lfb_depth);
}
static int smtcfb_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
struct smtcfb_info *sfb;
struct fb_info *info;
u_long smem_size;
int err;
unsigned long mmio_base;
dev_info(&pdev->dev, "Silicon Motion display driver.\n");
err = aperture_remove_conflicting_pci_devices(pdev, "smtcfb");
if (err)
return err;
err = pci_enable_device(pdev); /* enable SMTC chip */
if (err)
return err;
err = pci_request_region(pdev, 0, "sm7xxfb");
if (err < 0) {
dev_err(&pdev->dev, "cannot reserve framebuffer region\n");
goto failed_regions;
}
sprintf(smtcfb_fix.id, "sm%Xfb", ent->device);
info = framebuffer_alloc(sizeof(*sfb), &pdev->dev);
if (!info) {
err = -ENOMEM;
goto failed_free;
}
sfb = info->par;
sfb->fb = info;
sfb->chip_id = ent->device;
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;
pci_set_drvdata(pdev, sfb);
sm7xx_init_hw();
/* Map address and memory detection */
mmio_base = pci_resource_start(pdev, 0);
pci_read_config_byte(pdev, PCI_REVISION_ID, &sfb->chip_rev_id);
smem_size = sm7xx_vram_probe(sfb);
dev_info(&pdev->dev, "%lu MiB of VRAM detected.\n",
smem_size / 1048576);
switch (sfb->chip_id) {
case 0x710:
case 0x712:
sfb->fb->fix.mmio_start = mmio_base + 0x00400000;
sfb->fb->fix.mmio_len = 0x00400000;
sfb->lfb = ioremap(mmio_base, mmio_addr);
if (!sfb->lfb) {
dev_err(&pdev->dev,
"%s: unable to map memory mapped IO!\n",
sfb->fb->fix.id);
err = -ENOMEM;
goto failed_fb;
}
sfb->mmio = (smtc_regbaseaddress =
sfb->lfb + 0x00700000);
sfb->dp_regs = sfb->lfb + 0x00408000;
sfb->vp_regs = sfb->lfb + 0x0040c000;
if (sfb->fb->var.bits_per_pixel == 32) {
sfb->lfb += big_addr;
dev_info(&pdev->dev, "sfb->lfb=%p\n", sfb->lfb);
}
/* 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 */
if (sfb->fb->var.bits_per_pixel == 32)
seqw17();
break;
case 0x720:
sfb->fb->fix.mmio_start = mmio_base;
sfb->fb->fix.mmio_len = 0x00200000;
sfb->dp_regs = ioremap(mmio_base, 0x00200000 + smem_size);
if (!sfb->dp_regs) {
dev_err(&pdev->dev,
"%s: unable to map memory mapped IO!\n",
sfb->fb->fix.id);
err = -ENOMEM;
goto failed_fb;
}
sfb->lfb = sfb->dp_regs + 0x00200000;
sfb->mmio = (smtc_regbaseaddress =
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,
"No valid Silicon Motion display chip was detected!\n");
err = -ENODEV;
goto failed_fb;
}
/* probe and decide resolution */
sm7xx_resolution_probe(sfb);
/* can support 32 bpp */
if (sfb->fb->var.bits_per_pixel == 15)
sfb->fb->var.bits_per_pixel = 16;
sfb->fb->var.xres_virtual = sfb->fb->var.xres;
sfb->fb->var.yres_virtual = sfb->fb->var.yres;
err = smtc_map_smem(sfb, pdev, smem_size);
if (err)
goto failed;
/*
* The screen would be temporarily garbled when sm712fb takes over
* vesafb or VGA text mode. Zero the framebuffer.
*/
memset_io(sfb->lfb, 0, sfb->fb->fix.smem_len);
err = register_framebuffer(info);
if (err < 0)
goto failed;
dev_info(&pdev->dev,
"Silicon Motion SM%X Rev%X primary display mode %dx%d-%d Init Complete.\n",
sfb->chip_id, sfb->chip_rev_id, sfb->fb->var.xres,
sfb->fb->var.yres, sfb->fb->var.bits_per_pixel);
return 0;
failed:
dev_err(&pdev->dev, "Silicon Motion, Inc. primary display init fail.\n");
smtc_unmap_smem(sfb);
smtc_unmap_mmio(sfb);
failed_fb:
framebuffer_release(info);
failed_free:
pci_release_region(pdev, 0);
failed_regions:
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,}
};
MODULE_DEVICE_TABLE(pci, smtcfb_pci_table);
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);
unregister_framebuffer(sfb->fb);
framebuffer_release(sfb->fb);
pci_release_region(pdev, 0);
pci_disable_device(pdev);
}
static int __maybe_unused smtcfb_pci_suspend(struct device *device)
{
struct smtcfb_info *sfb = dev_get_drvdata(device);
/* 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();
fb_set_suspend(sfb->fb, 1);
console_unlock();
/* additionally turn off all function blocks including internal PLLs */
smtc_seqw(0x21, 0xff);
return 0;
}
static int __maybe_unused smtcfb_pci_resume(struct device *device)
{
struct smtcfb_info *sfb = dev_get_drvdata(device);
/* 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);
if (sfb->fb->var.bits_per_pixel == 32)
seqw17();
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();
fb_set_suspend(sfb->fb, 0);
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,
.driver.pm = &sm7xx_pm_ops,
};
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);
MODULE_AUTHOR("Siliconmotion ");
MODULE_DESCRIPTION("Framebuffer driver for SMI Graphic Cards");
MODULE_LICENSE("GPL");