| /* |
| * 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 |
