linux/drivers/video/i810/i810.h
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   1/*-*- linux-c -*-
   2 *  linux/drivers/video/i810.h -- Intel 810 General Definitions/Declarations
   3 *
   4 *      Copyright (C) 2001 Antonino Daplas<adaplas@pol.net>
   5 *      All Rights Reserved      
   6 *
   7 *
   8 *  This file is subject to the terms and conditions of the GNU General Public
   9 *  License. See the file COPYING in the main directory of this archive for
  10 *  more details.
  11 */
  12
  13#ifndef __I810_H__
  14#define __I810_H__
  15
  16#include <linux/list.h>
  17#include <linux/agp_backend.h>
  18#include <linux/fb.h>
  19#include <linux/i2c.h>
  20#include <linux/i2c-algo-bit.h>
  21#include <video/vga.h>
  22
  23/* Fence */
  24#define TILEWALK_X            (0 << 12)
  25#define TILEWALK_Y            (1 << 12)
  26
  27/* Raster ops */
  28#define COLOR_COPY_ROP        0xF0
  29#define PAT_COPY_ROP          0xCC
  30#define CLEAR_ROP             0x00
  31#define WHITE_ROP             0xFF
  32#define INVERT_ROP            0x55
  33#define XOR_ROP               0x5A
  34
  35/* 2D Engine definitions */
  36#define SOLIDPATTERN          0x80000000
  37#define NONSOLID              0x00000000
  38#define BPP8                  (0 << 24)
  39#define BPP16                 (1 << 24)
  40#define BPP24                 (2 << 24)
  41
  42#define PIXCONF8              (2 << 16)
  43#define PIXCONF15             (4 << 16)
  44#define PIXCONF16             (5 << 16)
  45#define PIXCONF24             (6 << 16)
  46#define PIXCONF32             (7 << 16)
  47
  48#define DYN_COLOR_EN          (1 << 26)
  49#define DYN_COLOR_DIS         (0 << 26)
  50#define INCREMENT             0x00000000
  51#define DECREMENT             (0x01 << 30)
  52#define ARB_ON                0x00000001
  53#define ARB_OFF               0x00000000
  54#define SYNC_FLIP             0x00000000
  55#define ASYNC_FLIP            0x00000040
  56#define OPTYPE_MASK           0xE0000000
  57#define PARSER_MASK           0x001F8000 
  58#define D2_MASK               0x001FC000         /* 2D mask */
  59
  60/* Instruction type */
  61/* There are more but pertains to 3D */
  62#define PARSER                0x00000000
  63#define BLIT                  (0x02 << 29)
  64#define RENDER                (0x03 << 29)
  65            
  66/* Parser */
  67#define NOP                   0x00               /* No operation, padding */
  68#define BP_INT                (0x01 << 23)         /* Breakpoint interrupt */
  69#define USR_INT               (0x02 << 23)         /* User interrupt */
  70#define WAIT_FOR_EVNT         (0x03 << 23)         /* Wait for event */
  71#define FLUSH                 (0x04 << 23)              
  72#define CONTEXT_SEL           (0x05 << 23)
  73#define REPORT_HEAD           (0x07 << 23)
  74#define ARB_ON_OFF            (0x08 << 23)
  75#define OVERLAY_FLIP          (0x11 << 23)
  76#define LOAD_SCAN_INC         (0x12 << 23)
  77#define LOAD_SCAN_EX          (0x13 << 23)
  78#define FRONT_BUFFER          (0x14 << 23)
  79#define DEST_BUFFER           (0x15 << 23)
  80#define Z_BUFFER              (0x16 << 23)       
  81
  82#define STORE_DWORD_IMM       (0x20 << 23)
  83#define STORE_DWORD_IDX       (0x21 << 23)
  84#define BATCH_BUFFER          (0x30 << 23)
  85
  86/* Blit */
  87#define SETUP_BLIT                      0x00
  88#define SETUP_MONO_PATTERN_SL_BLT       (0x10 << 22)
  89#define PIXEL_BLT                       (0x20 << 22)
  90#define SCANLINE_BLT                    (0x21 << 22)
  91#define TEXT_BLT                        (0x22 << 22)
  92#define TEXT_IMM_BLT                    (0x30 << 22)
  93#define COLOR_BLT                       (0x40 << 22)
  94#define MONO_PAT_BLIT                   (0x42 << 22)
  95#define SOURCE_COPY_BLIT                (0x43 << 22)
  96#define MONO_SOURCE_COPY_BLIT           (0x44 << 22)
  97#define SOURCE_COPY_IMMEDIATE           (0x60 << 22)
  98#define MONO_SOURCE_COPY_IMMEDIATE      (0x61 << 22)
  99
 100#define VERSION_MAJOR            0
 101#define VERSION_MINOR            9
 102#define VERSION_TEENIE           0
 103#define BRANCH_VERSION           ""
 104
 105
 106/* mvo: intel i815 */
 107#ifndef PCI_DEVICE_ID_INTEL_82815_100
 108  #define PCI_DEVICE_ID_INTEL_82815_100           0x1102
 109#endif
 110#ifndef PCI_DEVICE_ID_INTEL_82815_NOAGP
 111  #define PCI_DEVICE_ID_INTEL_82815_NOAGP         0x1112
 112#endif
 113#ifndef PCI_DEVICE_ID_INTEL_82815_FULL_CTRL
 114  #define PCI_DEVICE_ID_INTEL_82815_FULL_CTRL     0x1130
 115#endif 
 116
 117/* General Defines */
 118#define I810_PAGESIZE               4096
 119#define MAX_DMA_SIZE                (1024 * 4096)
 120#define SAREA_SIZE                  4096
 121#define PCI_I810_MISCC              0x72
 122#define MMIO_SIZE                   (512*1024)
 123#define GTT_SIZE                    (16*1024) 
 124#define RINGBUFFER_SIZE             (64*1024)
 125#define CURSOR_SIZE                 4096 
 126#define OFF                         0
 127#define ON                          1
 128#define MAX_KEY                     256
 129#define WAIT_COUNT                  10000000
 130#define IRING_PAD                   8
 131#define FONTDATAMAX                 8192
 132/* Masks (AND ops) and OR's */
 133#define FB_START_MASK               (0x3f << (32 - 6))
 134#define MMIO_ADDR_MASK              (0x1FFF << (32 - 13))
 135#define FREQ_MASK                   (1 << 4)
 136#define SCR_OFF                     0x20
 137#define DRAM_ON                     0x08            
 138#define DRAM_OFF                    0xE7
 139#define PG_ENABLE_MASK              0x01
 140#define RING_SIZE_MASK              (RINGBUFFER_SIZE - 1);
 141
 142/* defines for restoring registers partially */
 143#define ADDR_MAP_MASK               (0x07 << 5)
 144#define DISP_CTRL                   ~0
 145#define PIXCONF_0                   (0x64 << 8)
 146#define PIXCONF_2                   (0xF3 << 24)
 147#define PIXCONF_1                   (0xF0 << 16)
 148#define MN_MASK                     0x3FF03FF
 149#define P_OR                        (0x7 << 4)                    
 150#define DAC_BIT                     (1 << 16)
 151#define INTERLACE_BIT               (1 << 7)
 152#define IER_MASK                    (3 << 13)
 153#define IMR_MASK                    (3 << 13)
 154
 155/* Power Management */
 156#define DPMS_MASK                   0xF0000
 157#define POWERON                     0x00000
 158#define STANDBY                     0x20000
 159#define SUSPEND                     0x80000
 160#define POWERDOWN                   0xA0000
 161#define EMR_MASK                    ~0x3F
 162#define FW_BLC_MASK                 ~(0x3F|(7 << 8)|(0x3F << 12)|(7 << 20))
 163
 164/* Ringbuffer */
 165#define RBUFFER_START_MASK          0xFFFFF000
 166#define RBUFFER_SIZE_MASK           0x001FF000
 167#define RBUFFER_HEAD_MASK           0x001FFFFC
 168#define RBUFFER_TAIL_MASK           0x001FFFF8
 169
 170/* Video Timings */
 171#define REF_FREQ                    24000000
 172#define TARGET_N_MAX                30
 173
 174#define MAX_PIXELCLOCK              230000000
 175#define MIN_PIXELCLOCK               15000000
 176#define VFMAX                       60
 177#define VFMIN                       60
 178#define HFMAX                       30000
 179#define HFMIN                       29000
 180
 181/* Cursor */
 182#define CURSOR_ENABLE_MASK          0x1000             
 183#define CURSOR_MODE_64_TRANS        4
 184#define CURSOR_MODE_64_XOR          5
 185#define CURSOR_MODE_64_3C           6   
 186#define COORD_INACTIVE              0
 187#define COORD_ACTIVE                (1 << 4)
 188#define EXTENDED_PALETTE            1
 189  
 190/* AGP Memory Types*/
 191#define AGP_NORMAL_MEMORY           0
 192#define AGP_DCACHE_MEMORY           1
 193#define AGP_PHYSICAL_MEMORY         2
 194
 195/* Allocated resource Flags */
 196#define FRAMEBUFFER_REQ             1
 197#define MMIO_REQ                    2
 198#define PCI_DEVICE_ENABLED          4
 199#define HAS_FONTCACHE               8 
 200
 201/* driver flags */
 202#define HAS_MTRR                    1
 203#define HAS_ACCELERATION            2
 204#define ALWAYS_SYNC                 4
 205#define LOCKUP                      8
 206
 207struct gtt_data {
 208        struct agp_memory *i810_fb_memory;
 209        struct agp_memory *i810_cursor_memory;
 210};
 211
 212struct mode_registers {
 213        u32 pixclock, M, N, P;
 214        u8 cr00, cr01, cr02, cr03;
 215        u8 cr04, cr05, cr06, cr07;
 216        u8 cr09, cr10, cr11, cr12;
 217        u8 cr13, cr15, cr16, cr30;
 218        u8 cr31, cr32, cr33, cr35, cr39;
 219        u32 bpp8_100, bpp16_100;
 220        u32 bpp24_100, bpp8_133;
 221        u32 bpp16_133, bpp24_133;
 222        u8 msr;
 223};
 224
 225struct heap_data {
 226        unsigned long physical;
 227        __u8 __iomem *virtual;
 228        u32 offset;
 229        u32 size;
 230};      
 231
 232struct state_registers {
 233        u32 dclk_1d, dclk_2d, dclk_0ds;
 234        u32 pixconf, fw_blc, pgtbl_ctl;
 235        u32 fence0, hws_pga, dplystas;
 236        u16 bltcntl, hwstam, ier, iir, imr;
 237        u8 cr00, cr01, cr02, cr03, cr04;
 238        u8 cr05, cr06, cr07, cr08, cr09;
 239        u8 cr10, cr11, cr12, cr13, cr14;
 240        u8 cr15, cr16, cr17, cr80, gr10;
 241        u8 cr30, cr31, cr32, cr33, cr35;
 242        u8 cr39, cr41, cr70, sr01, msr;
 243};
 244
 245struct i810fb_par;
 246
 247struct i810fb_i2c_chan {
 248        struct i810fb_par *par;
 249        struct i2c_adapter adapter;
 250        struct i2c_algo_bit_data algo;
 251        unsigned long ddc_base;
 252};
 253
 254struct i810fb_par {
 255        struct mode_registers    regs;
 256        struct state_registers   hw_state;
 257        struct gtt_data          i810_gtt;
 258        struct fb_ops            i810fb_ops;
 259        struct pci_dev           *dev;
 260        struct heap_data         aperture;
 261        struct heap_data         fb;
 262        struct heap_data         iring;
 263        struct heap_data         cursor_heap;
 264        struct vgastate          state;
 265        struct i810fb_i2c_chan   chan[3];
 266        struct mutex             open_lock;
 267        unsigned int             use_count;
 268        u32 pseudo_palette[16];
 269        unsigned long mmio_start_phys;
 270        u8 __iomem *mmio_start_virtual;
 271        u8 *edid;
 272        u32 pitch;
 273        u32 pixconf;
 274        u32 watermark;
 275        u32 mem_freq;
 276        u32 res_flags;
 277        u32 dev_flags;
 278        u32 cur_tail;
 279        u32 depth;
 280        u32 blit_bpp;
 281        u32 ovract;
 282        u32 cur_state;
 283        u32 ddc_num;
 284        int mtrr_reg;
 285        u16 bltcntl;
 286        u8 interlace;
 287};
 288
 289/* 
 290 * Register I/O
 291 */
 292#define i810_readb(where, mmio) readb(mmio + where)
 293#define i810_readw(where, mmio) readw(mmio + where)
 294#define i810_readl(where, mmio) readl(mmio + where)
 295#define i810_writeb(where, mmio, val) writeb(val, mmio + where) 
 296#define i810_writew(where, mmio, val) writew(val, mmio + where)
 297#define i810_writel(where, mmio, val) writel(val, mmio + where)
 298
 299#endif /* __I810_H__ */
 300