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 /* Resource Allocation */
  45 #define INTELFB_FB_ACQUIRED                 1
  46 #define INTELFB_MMIO_ACQUIRED               2
  47
  48 /* PCI ids for supported devices */
  49 #define PCI_DEVICE_ID_INTEL_830M        0x3577
  50 #define PCI_DEVICE_ID_INTEL_845G        0x2562
  51 #define PCI_DEVICE_ID_INTEL_85XGM       0x3582
  52 #define PCI_DEVICE_ID_INTEL_865G        0x2572
  53 #define PCI_DEVICE_ID_INTEL_915G        0x2582
  54 #define PCI_DEVICE_ID_INTEL_915GM       0x2592
  55
  56 /* Size of MMIO region */
  57 #define INTEL_REG_SIZE                  0x80000
  58
  59 #define STRIDE_ALIGNMENT                16
  60
  61 #define PALETTE_8_ENTRIES               256
  62
  63
  64 /*** Macros ***/
  65
  66 /* basic arithmetic */
  67 #define KB(x)                   ((x) * 1024)
  68 #define MB(x)                   ((x) * 1024 * 1024)
  69 #define BtoKB(x)                ((x) / 1024)
  70 #define BtoMB(x)                ((x) / 1024 / 1024)
  71
  72 #define GTT_PAGE_SIZE           KB(4)
  73
  74 #define ROUND_UP_TO(x, y)       (((x) + (y) - 1) / (y) * (y))
  75 #define ROUND_DOWN_TO(x, y)     ((x) / (y) * (y))
  76 #define ROUND_UP_TO_PAGE(x)     ROUND_UP_TO((x), GTT_PAGE_SIZE)
  77 #define ROUND_DOWN_TO_PAGE(x)   ROUND_DOWN_TO((x), GTT_PAGE_SIZE)
  78
  79 /* messages */
  80 #define PFX                     INTELFB_MODULE_NAME ": "
  81
  82 #define ERR_MSG(fmt, args...)   printk(KERN_ERR PFX fmt, ## args)
  83 #define WRN_MSG(fmt, args...)   printk(KERN_WARNING PFX fmt, ## args)
  84 #define NOT_MSG(fmt, args...)   printk(KERN_NOTICE PFX fmt, ## args)
  85 #define INF_MSG(fmt, args...)   printk(KERN_INFO PFX fmt, ## args)
  86 #if DEBUG
  87 #define DBG_MSG(fmt, args...)   printk(KERN_DEBUG PFX fmt, ## args)
  88 #else
  89 #define DBG_MSG(fmt, args...)   while (0) printk(fmt, ## args)
  90 #endif
  91
  92 /* get commonly used pointers */
  93 #define GET_DINFO(info)         (info)->par
  94
  95 /* misc macros */
  96 #define ACCEL(d, i)                                                     \
  97         ((d)->accel && !(d)->ring_lockup &&                             \
  98          ((i)->var.accel_flags & FB_ACCELF_TEXT))
  99
 100 /*#define NOACCEL_CHIPSET(d)                                            \
 101         ((d)->chipset != INTEL_865G)*/
 102 #define NOACCEL_CHIPSET(d)                                              \
 103         (0)
 104
 105 #define FIXED_MODE(d) ((d)->fixed_mode)
 106
 107 /*** Driver paramters ***/
 108
 109 #define RINGBUFFER_SIZE         KB(64)
 110 #define HW_CURSOR_SIZE          KB(4)
 111
 112 /* Intel agpgart driver */
 113 #define AGP_PHYSICAL_MEMORY     2
 114
 115 /*** Data Types ***/
 116
 117 /* supported chipsets */
 118 enum intel_chips {
 119         INTEL_830M,
 120         INTEL_845G,
 121         INTEL_85XGM,
 122         INTEL_852GM,
 123         INTEL_852GME,
 124         INTEL_855GM,
 125         INTEL_855GME,
 126         INTEL_865G,
 127         INTEL_915G,
 128         INTEL_915GM
 129 };
 130
 131 struct intelfb_hwstate {
 132         u32 vga0_divisor;
 133         u32 vga1_divisor;
 134         u32 vga_pd;
 135         u32 dpll_a;
 136         u32 dpll_b;
 137         u32 fpa0;
 138         u32 fpa1;
 139         u32 fpb0;
 140         u32 fpb1;
 141         u32 palette_a[PALETTE_8_ENTRIES];
 142         u32 palette_b[PALETTE_8_ENTRIES];
 143         u32 htotal_a;
 144         u32 hblank_a;
 145         u32 hsync_a;
 146         u32 vtotal_a;
 147         u32 vblank_a;
 148         u32 vsync_a;
 149         u32 src_size_a;
 150         u32 bclrpat_a;
 151         u32 htotal_b;
 152         u32 hblank_b;
 153         u32 hsync_b;
 154         u32 vtotal_b;
 155         u32 vblank_b;
 156         u32 vsync_b;
 157         u32 src_size_b;
 158         u32 bclrpat_b;
 159         u32 adpa;
 160         u32 dvoa;
 161         u32 dvob;
 162         u32 dvoc;
 163         u32 dvoa_srcdim;
 164         u32 dvob_srcdim;
 165         u32 dvoc_srcdim;
 166         u32 lvds;
 167         u32 pipe_a_conf;
 168         u32 pipe_b_conf;
 169         u32 disp_arb;
 170         u32 cursor_a_control;
 171         u32 cursor_b_control;
 172         u32 cursor_a_base;
 173         u32 cursor_b_base;
 174         u32 cursor_size;
 175         u32 disp_a_ctrl;
 176         u32 disp_b_ctrl;
 177         u32 disp_a_base;
 178         u32 disp_b_base;
 179         u32 cursor_a_palette[4];
 180         u32 cursor_b_palette[4];
 181         u32 disp_a_stride;
 182         u32 disp_b_stride;
 183         u32 vgacntrl;
 184         u32 add_id;
 185         u32 swf0x[7];
 186         u32 swf1x[7];
 187         u32 swf3x[3];
 188         u32 fence[8];
 189         u32 instpm;
 190         u32 mem_mode;
 191         u32 fw_blc_0;
 192         u32 fw_blc_1;
 193 };
 194
 195 struct intelfb_heap_data {
 196         u32 physical;
 197         u8 __iomem *virtual;
 198         u32 offset;  // in GATT pages
 199         u32 size;    // in bytes
 200 };
 201
 202 struct intelfb_info {
 203         struct fb_info *info;
 204         struct fb_ops  *fbops;
 205         struct pci_dev *pdev;
 206
 207         struct intelfb_hwstate save_state;
 208
 209         /* agpgart structs */
 210         struct agp_memory *gtt_fb_mem;     // use all stolen memory or vram
 211         struct agp_memory *gtt_ring_mem;   // ring buffer
 212         struct agp_memory *gtt_cursor_mem; // hw cursor
 213
 214         /* use a gart reserved fb mem */
 215         u8 fbmem_gart;
 216
 217         /* mtrr support */
 218         u32 mtrr_reg;
 219         u32 has_mtrr;
 220
 221         /* heap data */
 222         struct intelfb_heap_data aperture;
 223         struct intelfb_heap_data fb;
 224         struct intelfb_heap_data ring;
 225         struct intelfb_heap_data cursor;
 226
 227         /* mmio regs */
 228         u32 mmio_base_phys;
 229         u8 __iomem *mmio_base;
 230
 231         /* fb start offset (in bytes) */
 232         u32 fb_start;
 233
 234         /* ring buffer */
 235         u8 __iomem *ring_head;
 236         u32 ring_tail;
 237         u32 ring_tail_mask;
 238         u32 ring_space;
 239         u32 ring_lockup;
 240
 241         /* palette */
 242         u32 pseudo_palette[17];
 243
 244         /* chip info */
 245         int pci_chipset;
 246         int chipset;
 247         const char *name;
 248         int mobile;
 249
 250         /* current mode */
 251         int bpp, depth;
 252         u32 visual;
 253         int xres, yres, pitch;
 254         int pixclock;
 255
 256         /* current pipe */
 257         int pipe;
 258
 259         /* some flags */
 260         int accel;
 261         int hwcursor;
 262         int fixed_mode;
 263         int ring_active;
 264         int flag;
 265
 266         /* hw cursor */
 267         int cursor_on;
 268         int cursor_blanked;
 269         u8  cursor_src[64];
 270
 271         /* initial parameters */
 272         int initial_vga;
 273         struct fb_var_screeninfo initial_var;
 274         u32 initial_fb_base;
 275         u32 initial_video_ram;
 276         u32 initial_pitch;
 277
 278         /* driver registered */
 279         int registered;
 280 };
 281
 282 /*** function prototypes ***/
 283
 284 extern int intelfb_var_to_depth(const struct fb_var_screeninfo *var);
 285
 286 #endif /* _INTELFB_H */