drivers/video/fbdev/sm712.h

   1 /*
   2  * Silicon Motion SM712 frame buffer device
   3  *
   4  * Copyright (C) 2006 Silicon Motion Technology Corp.
   5  * Authors:     Ge Wang, gewang@siliconmotion.com
   6  *              Boyod boyod.yang@siliconmotion.com.cn
   7  *
   8  * Copyright (C) 2009 Lemote, Inc.
   9  * Author: Wu Zhangjin, wuzhangjin@gmail.com
  10  *
  11  *  This file is subject to the terms and conditions of the GNU General Public
  12  *  License. See the file COPYING in the main directory of this archive for
  13  *  more details.
  14  */
  15
  16 #define FB_ACCEL_SMI_LYNX 88
  17
  18 #define SCREEN_X_RES      1024
  19 #define SCREEN_Y_RES      600
  20 #define SCREEN_BPP        16
  21
  22 /*Assume SM712 graphics chip has 4MB VRAM */
  23 #define SM712_VIDEOMEMORYSIZE     0x00400000
  24 /*Assume SM722 graphics chip has 8MB VRAM */
  25 #define SM722_VIDEOMEMORYSIZE     0x00800000
  26
  27 #define dac_reg (0x3c8)
  28 #define dac_val (0x3c9)
  29
  30 extern void __iomem *smtc_regbaseaddress;
  31 #define smtc_mmiowb(dat, reg)   writeb(dat, smtc_regbaseaddress + reg)
  32
  33 #define smtc_mmiorb(reg)        readb(smtc_regbaseaddress + reg)
  34
  35 #define SIZE_SR00_SR04      (0x04 - 0x00 + 1)
  36 #define SIZE_SR10_SR24      (0x24 - 0x10 + 1)
  37 #define SIZE_SR30_SR75      (0x75 - 0x30 + 1)
  38 #define SIZE_SR80_SR93      (0x93 - 0x80 + 1)
  39 #define SIZE_SRA0_SRAF      (0xAF - 0xA0 + 1)
  40 #define SIZE_GR00_GR08      (0x08 - 0x00 + 1)
  41 #define SIZE_AR00_AR14      (0x14 - 0x00 + 1)
  42 #define SIZE_CR00_CR18      (0x18 - 0x00 + 1)
  43 #define SIZE_CR30_CR4D      (0x4D - 0x30 + 1)
  44 #define SIZE_CR90_CRA7      (0xA7 - 0x90 + 1)
  45
  46 static inline void smtc_crtcw(int reg, int val)
  47 {
  48         smtc_mmiowb(reg, 0x3d4);
  49         smtc_mmiowb(val, 0x3d5);
  50 }
  51
  52 static inline void smtc_grphw(int reg, int val)
  53 {
  54         smtc_mmiowb(reg, 0x3ce);
  55         smtc_mmiowb(val, 0x3cf);
  56 }
  57
  58 static inline void smtc_attrw(int reg, int val)
  59 {
  60         smtc_mmiorb(0x3da);
  61         smtc_mmiowb(reg, 0x3c0);
  62         smtc_mmiorb(0x3c1);
  63         smtc_mmiowb(val, 0x3c0);
  64 }
  65
  66 static inline void smtc_seqw(int reg, int val)
  67 {
  68         smtc_mmiowb(reg, 0x3c4);
  69         smtc_mmiowb(val, 0x3c5);
  70 }
  71
  72 static inline unsigned int smtc_seqr(int reg)
  73 {
  74         smtc_mmiowb(reg, 0x3c4);
  75         return smtc_mmiorb(0x3c5);
  76 }
  77
  78 /* The next structure holds all information relevant for a specific video mode.
  79  */
  80
  81 struct modeinit {
  82         int mmsizex;
  83         int mmsizey;
  84         int bpp;
  85         int hz;
  86         unsigned char init_misc;
  87         unsigned char init_sr00_sr04[SIZE_SR00_SR04];
  88         unsigned char init_sr10_sr24[SIZE_SR10_SR24];
  89         unsigned char init_sr30_sr75[SIZE_SR30_SR75];
  90         unsigned char init_sr80_sr93[SIZE_SR80_SR93];
  91         unsigned char init_sra0_sraf[SIZE_SRA0_SRAF];
  92         unsigned char init_gr00_gr08[SIZE_GR00_GR08];
  93         unsigned char init_ar00_ar14[SIZE_AR00_AR14];
  94         unsigned char init_cr00_cr18[SIZE_CR00_CR18];
  95         unsigned char init_cr30_cr4d[SIZE_CR30_CR4D];
  96         unsigned char init_cr90_cra7[SIZE_CR90_CRA7];
  97 };
  98
  99 #ifdef __BIG_ENDIAN
 100 #define pal_rgb(r, g, b, val)   (((r & 0xf800) >> 8) | \
 101                                 ((g & 0xe000) >> 13) | \
 102                                 ((g & 0x1c00) << 3) | \
 103                                 ((b & 0xf800) >> 3))
 104 #define big_addr                0x800000
 105 #define mmio_addr               0x00800000
 106 #define seqw17()                smtc_seqw(0x17, 0x30)
 107 #define big_pixel_depth(p, d)   {if (p == 24) {p = 32; d = 32; } }
 108 #define big_swap(p)             ((p & 0xff00ff00 >> 8) | (p & 0x00ff00ff << 8))
 109 #else
 110 #define pal_rgb(r, g, b, val)   val
 111 #define big_addr                0
 112 #define mmio_addr               0x00c00000
 113 #define seqw17()                do { } while (0)
 114 #define big_pixel_depth(p, d)   do { } while (0)
 115 #define big_swap(p)             p
 116 #endif