drivers/video/intelfb/intelfb.h

   1 #ifndef _INTELFB_H
   2 #define _INTELFB_H
   3
   4 /* $DHD: intelfb/intelfb.h,v 1.40 2003/06/27 15:06:25 dawes Exp $ */
   5
   6 #include <linux/agp_backend.h>
   7 #include <linux/fb.h>
   8
   9
  10 /*** Version/name ***/
  11 #define INTELFB_VERSION                 "0.9.2"
  12 #define INTELFB_MODULE_NAME             "intelfb"
  13 #define SUPPORTED_CHIPSETS              "830M/845G/852GM/855GM/865G/915G/915GM"
  14
  15
  16 /*** Debug/feature defines ***/
  17
  18 #ifndef DEBUG
  19 #define DEBUG                           0
  20 #endif
  21
  22 #ifndef VERBOSE
  23 #define VERBOSE                         0
  24 #endif
  25
  26 #ifndef REGDUMP
  27 #define REGDUMP                         0
  28 #endif
  29
  30 #ifndef DETECT_VGA_CLASS_ONLY
  31 #define DETECT_VGA_CLASS_ONLY           1
  32 #endif
  33
  34 #ifndef ALLOCATE_FOR_PANNING
  35 #define ALLOCATE_FOR_PANNING            1
  36 #endif
  37
  38 #ifndef PREFERRED_MODE
  39 #define PREFERRED_MODE                  "1024x768-32@70"
  40 #endif
  41
  42 /*** hw-related values ***/
  43
  44 /* PCI ids for supported devices */
  45 #define PCI_DEVICE_ID_INTEL_830M        0x3577
  46 #define PCI_DEVICE_ID_INTEL_845G        0x2562
  47 #define PCI_DEVICE_ID_INTEL_85XGM       0x3582
  48 #define PCI_DEVICE_ID_INTEL_865G        0x2572
  49 #define PCI_DEVICE_ID_INTEL_915G        0x2582
  50 #define PCI_DEVICE_ID_INTEL_915GM       0x2592
  51
  52 /* Size of MMIO region */
  53 #define INTEL_REG_SIZE                  0x80000
  54
  55 #define STRIDE_ALIGNMENT                16
  56
  57 #define PALETTE_8_ENTRIES               256
  58
  59
  60 /*** Macros ***/
  61
  62 /* basic arithmetic */
  63 #define KB(x)                   ((x) * 1024)
  64 #define MB(x)                   ((x) * 1024 * 1024)
  65 #define BtoKB(x)                ((x) / 1024)
  66 #define BtoMB(x)                ((x) / 1024 / 1024)
  67
  68 #define GTT_PAGE_SIZE           KB(4)
  69
  70 #define ROUND_UP_TO(x, y)       (((x) + (y) - 1) / (y) * (y))
  71 #define ROUND_DOWN_TO(x, y)     ((x) / (y) * (y))
  72 #define ROUND_UP_TO_PAGE(x)     ROUND_UP_TO((x), GTT_PAGE_SIZE)
  73 #define ROUND_DOWN_TO_PAGE(x)   ROUND_DOWN_TO((x), GTT_PAGE_SIZE)
  74
  75 /* messages */
  76 #define PFX                     INTELFB_MODULE_NAME ": "
  77
  78 #define ERR_MSG(fmt, args...)   printk(KERN_ERR PFX fmt, ## args)
  79 #define WRN_MSG(fmt, args...)   printk(KERN_WARNING PFX fmt, ## args)
  80 #define NOT_MSG(fmt, args...)   printk(KERN_NOTICE PFX fmt, ## args)
  81 #define INF_MSG(fmt, args...)   printk(KERN_INFO PFX fmt, ## args)
  82 #if DEBUG
  83 #define DBG_MSG(fmt, args...)   printk(KERN_DEBUG PFX fmt, ## args)
  84 #else
  85 #define DBG_MSG(fmt, args...)   while (0) printk(fmt, ## args)
  86 #endif
  87
  88 /* get commonly used pointers */
  89 #define GET_DINFO(info)         (info)->par
  90
  91 /* misc macros */
  92 #define ACCEL(d, i)                                                     \
  93         ((d)->accel && !(d)->ring_lockup &&                             \
  94          ((i)->var.accel_flags & FB_ACCELF_TEXT))
  95
  96 /*#define NOACCEL_CHIPSET(d)                                            \
  97         ((d)->chipset != INTEL_865G)*/
  98 #define NOACCEL_CHIPSET(d)                                              \
  99         (0)
 100
 101 #define FIXED_MODE(d) ((d)->fixed_mode)
 102
 103 /*** Driver paramters ***/
 104
 105 #define RINGBUFFER_SIZE         KB(64)
 106 #define HW_CURSOR_SIZE          KB(4)
 107
 108 /* Intel agpgart driver */
 109 #define AGP_PHYSICAL_MEMORY     2
 110
 111 /*** Data Types ***/
 112
 113 /* supported chipsets */
 114 enum intel_chips {
 115         INTEL_830M,
 116         INTEL_845G,
 117         INTEL_85XGM,
 118         INTEL_852GM,
 119         INTEL_852GME,
 120         INTEL_855GM,
 121         INTEL_855GME,
 122         INTEL_865G,
 123         INTEL_915G,
 124         INTEL_915GM
 125 };
 126
 127 struct intelfb_hwstate {
 128         u32 vga0_divisor;
 129         u32 vga1_divisor;
 130         u32 vga_pd;
 131         u32 dpll_a;
 132         u32 dpll_b;
 133         u32 fpa0;
 134         u32 fpa1;
 135         u32 fpb0;
 136         u32 fpb1;
 137         u32 palette_a[PALETTE_8_ENTRIES];
 138         u32 palette_b[PALETTE_8_ENTRIES];
 139         u32 htotal_a;
 140         u32 hblank_a;
 141         u32 hsync_a;
 142         u32 vtotal_a;
 143         u32 vblank_a;
 144         u32 vsync_a;
 145         u32 src_size_a;
 146         u32 bclrpat_a;
 147         u32 htotal_b;
 148         u32 hblank_b;
 149         u32 hsync_b;
 150         u32 vtotal_b;
 151         u32 vblank_b;
 152         u32 vsync_b;
 153         u32 src_size_b;
 154         u32 bclrpat_b;
 155         u32 adpa;
 156         u32 dvoa;
 157         u32 dvob;
 158         u32 dvoc;
 159         u32 dvoa_srcdim;
 160         u32 dvob_srcdim;
 161         u32 dvoc_srcdim;
 162         u32 lvds;
 163         u32 pipe_a_conf;
 164         u32 pipe_b_conf;
 165         u32 disp_arb;
 166         u32 cursor_a_control;
 167         u32 cursor_b_control;
 168         u32 cursor_a_base;
 169         u32 cursor_b_base;
 170         u32 cursor_size;
 171         u32 disp_a_ctrl;
 172         u32 disp_b_ctrl;
 173         u32 disp_a_base;
 174         u32 disp_b_base;
 175         u32 cursor_a_palette[4];
 176         u32 cursor_b_palette[4];
 177         u32 disp_a_stride;
 178         u32 disp_b_stride;
 179         u32 vgacntrl;
 180         u32 add_id;
 181         u32 swf0x[7];
 182         u32 swf1x[7];
 183         u32 swf3x[3];
 184         u32 fence[8];
 185         u32 instpm;
 186         u32 mem_mode;
 187         u32 fw_blc_0;
 188         u32 fw_blc_1;
 189 };
 190
 191 struct intelfb_heap_data {
 192         u32 physical;
 193         u8 __iomem *virtual;
 194         u32 offset;  // in GATT pages
 195         u32 size;    // in bytes
 196 };
 197
 198 struct intelfb_info {
 199         struct fb_info *info;
 200         struct fb_ops  *fbops;
 201         struct pci_dev *pdev;
 202
 203         struct intelfb_hwstate save_state;
 204
 205         /* agpgart structs */
 206         struct agp_memory *gtt_fb_mem;     // use all stolen memory or vram
 207         struct agp_memory *gtt_ring_mem;   // ring buffer
 208         struct agp_memory *gtt_cursor_mem; // hw cursor
 209
 210         /* use a gart reserved fb mem */
 211         u8 fbmem_gart;
 212
 213         /* mtrr support */
 214         u32 mtrr_reg;
 215         u32 has_mtrr;
 216
 217         /* heap data */
 218         struct intelfb_heap_data aperture;
 219         struct intelfb_heap_data fb;
 220         struct intelfb_heap_data ring;
 221         struct intelfb_heap_data cursor;
 222
 223         /* mmio regs */
 224         u32 mmio_base_phys;
 225         u8 __iomem *mmio_base;
 226
 227         /* fb start offset (in bytes) */
 228         u32 fb_start;
 229
 230         /* ring buffer */
 231         u8 __iomem *ring_head;
 232         u32 ring_tail;
 233         u32 ring_tail_mask;
 234         u32 ring_space;
 235         u32 ring_lockup;
 236
 237         /* palette */
 238         u32 pseudo_palette[17];
 239
 240         /* chip info */
 241         int pci_chipset;
 242         int chipset;
 243         const char *name;
 244         int mobile;
 245
 246         /* current mode */
 247         int bpp, depth;
 248         u32 visual;
 249         int xres, yres, pitch;
 250         int pixclock;
 251
 252         /* current pipe */
 253         int pipe;
 254
 255         /* some flags */
 256         int accel;
 257         int hwcursor;
 258         int fixed_mode;
 259         int ring_active;
 260
 261         /* hw cursor */
 262         int cursor_on;
 263         int cursor_blanked;
 264         u8  cursor_src[64];
 265
 266         /* initial parameters */
 267         int initial_vga;
 268         struct fb_var_screeninfo initial_var;
 269         u32 initial_fb_base;
 270         u32 initial_video_ram;
 271         u32 initial_pitch;
 272
 273         /* driver registered */
 274         int registered;
 275 };
 276
 277 /*** function prototypes ***/
 278
 279 extern int intelfb_var_to_depth(const struct fb_var_screeninfo *var);
 280
 281 #endif /* _INTELFB_H */