/*
* Silicon Motion SM712 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
*
* 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.
*/
#define FB_ACCEL_SMI_LYNX 88
#define SCREEN_X_RES 1024
#define SCREEN_Y_RES 600
#define SCREEN_BPP 16
/*Assume SM712 graphics chip has 4MB VRAM */
#define SM712_VIDEOMEMORYSIZE 0x00400000
/*Assume SM722 graphics chip has 8MB VRAM */
#define SM722_VIDEOMEMORYSIZE 0x00800000
#define dac_reg (0x3c8)
#define dac_val (0x3c9)
extern void __iomem *smtc_regbaseaddress;
#define smtc_mmiowb(dat, reg) writeb(dat, smtc_regbaseaddress + reg)
#define smtc_mmiorb(reg) readb(smtc_regbaseaddress + reg)
#define SIZE_SR00_SR04 (0x04 - 0x00 + 1)
#define SIZE_SR10_SR24 (0x24 - 0x10 + 1)
#define SIZE_SR30_SR75 (0x75 - 0x30 + 1)
#define SIZE_SR80_SR93 (0x93 - 0x80 + 1)
#define SIZE_SRA0_SRAF (0xAF - 0xA0 + 1)
#define SIZE_GR00_GR08 (0x08 - 0x00 + 1)
#define SIZE_AR00_AR14 (0x14 - 0x00 + 1)
#define SIZE_CR00_CR18 (0x18 - 0x00 + 1)
#define SIZE_CR30_CR4D (0x4D - 0x30 + 1)
#define SIZE_CR90_CRA7 (0xA7 - 0x90 + 1)
static inline void smtc_crtcw(int reg, int val)
{
smtc_mmiowb(reg, 0x3d4);
smtc_mmiowb(val, 0x3d5);
}
static inline void smtc_grphw(int reg, int val)
{
smtc_mmiowb(reg, 0x3ce);
smtc_mmiowb(val, 0x3cf);
}
static inline void smtc_attrw(int reg, int val)
{
smtc_mmiorb(0x3da);
smtc_mmiowb(reg, 0x3c0);
smtc_mmiorb(0x3c1);
smtc_mmiowb(val, 0x3c0);
}
static inline void smtc_seqw(int reg, int val)
{
smtc_mmiowb(reg, 0x3c4);
smtc_mmiowb(val, 0x3c5);
}
static inline unsigned int smtc_seqr(int reg)
{
smtc_mmiowb(reg, 0x3c4);
return smtc_mmiorb(0x3c5);
}
/* The next structure holds all information relevant for a specific video mode.
*/
struct modeinit {
int mmsizex;
int mmsizey;
int bpp;
int hz;
unsigned char init_misc;
unsigned char init_sr00_sr04[SIZE_SR00_SR04];
unsigned char init_sr10_sr24[SIZE_SR10_SR24];
unsigned char init_sr30_sr75[SIZE_SR30_SR75];
unsigned char init_sr80_sr93[SIZE_SR80_SR93];
unsigned char init_sra0_sraf[SIZE_SRA0_SRAF];
unsigned char init_gr00_gr08[SIZE_GR00_GR08];
unsigned char init_ar00_ar14[SIZE_AR00_AR14];
unsigned char init_cr00_cr18[SIZE_CR00_CR18];
unsigned char init_cr30_cr4d[SIZE_CR30_CR4D];
unsigned char init_cr90_cra7[SIZE_CR90_CRA7];
};
#ifdef __BIG_ENDIAN
#define pal_rgb(r, g, b, val) (((r & 0xf800) >> 8) | \
((g & 0xe000) >> 13) | \
((g & 0x1c00) << 3) | \
((b & 0xf800) >> 3))
#define big_addr 0x800000
#define mmio_addr 0x00800000
#define seqw17() smtc_seqw(0x17, 0x30)
#define big_pixel_depth(p, d) {if (p == 24) {p = 32; d = 32; } }
#define big_swap(p) ((p & 0xff00ff00 >> 8) | (p & 0x00ff00ff << 8))
#else
#define pal_rgb(r, g, b, val) val
#define big_addr 0
#define mmio_addr 0x00c00000
#define seqw17() do { } while (0)
#define big_pixel_depth(p, d) do { } while (0)
#define big_swap(p) p
#endif
