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 #ifdef CONFIG_FB_INTEL_I2C
  10 #include <linux/i2c.h>
  11 #include <linux/i2c-algo-bit.h>
  12 #endif
  13
  14 /*** Version/name ***/
  15 #define INTELFB_VERSION                 "0.9.6"
  16 #define INTELFB_MODULE_NAME             "intelfb"
  17 #define SUPPORTED_CHIPSETS              "830M/845G/852GM/855GM/865G/915G/915GM/945G/945GM/945GME/965G/965GM"
  18
  19
  20 /*** Debug/feature defines ***/
  21
  22 #ifndef DEBUG
  23 #define DEBUG                           0
  24 #endif
  25
  26 #ifndef VERBOSE
  27 #define VERBOSE                         0
  28 #endif
  29
  30 #ifndef REGDUMP
  31 #define REGDUMP                         0
  32 #endif
  33
  34 #ifndef DETECT_VGA_CLASS_ONLY
  35 #define DETECT_VGA_CLASS_ONLY           1
  36 #endif
  37
  38 #ifndef ALLOCATE_FOR_PANNING
  39 #define ALLOCATE_FOR_PANNING            1
  40 #endif
  41
  42 #ifndef PREFERRED_MODE
  43 #define PREFERRED_MODE                  "1024x768-32@70"
  44 #endif
  45
  46 /*** hw-related values ***/
  47
  48 /* Resource Allocation */
  49 #define INTELFB_FB_ACQUIRED                 1
  50 #define INTELFB_MMIO_ACQUIRED               2
  51
  52 /* PCI ids for supported devices */
  53 #define PCI_DEVICE_ID_INTEL_830M        0x3577
  54 #define PCI_DEVICE_ID_INTEL_845G        0x2562
  55 #define PCI_DEVICE_ID_INTEL_85XGM       0x3582
  56 #define PCI_DEVICE_ID_INTEL_854         0x358E
  57 #define PCI_DEVICE_ID_INTEL_865G        0x2572
  58 #define PCI_DEVICE_ID_INTEL_915G        0x2582
  59 #define PCI_DEVICE_ID_INTEL_915GM       0x2592
  60 #define PCI_DEVICE_ID_INTEL_945G        0x2772
  61 #define PCI_DEVICE_ID_INTEL_945GM       0x27A2
  62 #define PCI_DEVICE_ID_INTEL_945GME      0x27AE
  63 #define PCI_DEVICE_ID_INTEL_965G        0x29A2
  64 #define PCI_DEVICE_ID_INTEL_965GM       0x2A02
  65
  66 /* Size of MMIO region */
  67 #define INTEL_REG_SIZE                  0x80000
  68
  69 #define STRIDE_ALIGNMENT                16
  70 #define STRIDE_ALIGNMENT_I9XX           64
  71
  72 #define PALETTE_8_ENTRIES               256
  73
  74
  75 /*** Macros ***/
  76
  77 /* basic arithmetic */
  78 #define KB(x)                   ((x) * 1024)
  79 #define MB(x)                   ((x) * 1024 * 1024)
  80 #define BtoKB(x)                ((x) / 1024)
  81 #define BtoMB(x)                ((x) / 1024 / 1024)
  82
  83 #define GTT_PAGE_SIZE           KB(4)
  84
  85 #define ROUND_UP_TO(x, y)       (((x) + (y) - 1) / (y) * (y))
  86 #define ROUND_DOWN_TO(x, y)     ((x) / (y) * (y))
  87 #define ROUND_UP_TO_PAGE(x)     ROUND_UP_TO((x), GTT_PAGE_SIZE)
  88 #define ROUND_DOWN_TO_PAGE(x)   ROUND_DOWN_TO((x), GTT_PAGE_SIZE)
  89
  90 /* messages */
  91 #define PFX                     INTELFB_MODULE_NAME ": "
  92
  93 #define ERR_MSG(fmt, args...)   printk(KERN_ERR PFX fmt, ## args)
  94 #define WRN_MSG(fmt, args...)   printk(KERN_WARNING PFX fmt, ## args)
  95 #define NOT_MSG(fmt, args...)   printk(KERN_NOTICE PFX fmt, ## args)
  96 #define INF_MSG(fmt, args...)   printk(KERN_INFO PFX fmt, ## args)
  97 #if DEBUG
  98 #define DBG_MSG(fmt, args...)   printk(KERN_DEBUG PFX fmt, ## args)
  99 #else
 100 #define DBG_MSG(fmt, args...)   while (0) printk(fmt, ## args)
 101 #endif
 102
 103 /* get commonly used pointers */
 104 #define GET_DINFO(info)         (info)->par
 105
 106 /* misc macros */
 107 #define ACCEL(d, i)                                                     \
 108         ((d)->accel && !(d)->ring_lockup &&                             \
 109          ((i)->var.accel_flags & FB_ACCELF_TEXT))
 110
 111 /*#define NOACCEL_CHIPSET(d)                                            \
 112         ((d)->chipset != INTEL_865G)*/
 113 #define NOACCEL_CHIPSET(d)                                              \
 114         (0)
 115
 116 #define FIXED_MODE(d) ((d)->fixed_mode)
 117
 118 /*** Driver parameters ***/
 119
 120 #define RINGBUFFER_SIZE         KB(64)
 121 #define HW_CURSOR_SIZE          KB(4)
 122
 123 /* Intel agpgart driver */
 124 #define AGP_PHYSICAL_MEMORY     2
 125
 126 /* store information about an Ixxx DVO */
 127 /* The i830->i865 use multiple DVOs with multiple i2cs */
 128 /* the i915, i945 have a single sDVO i2c bus - which is different */
 129 #define MAX_OUTPUTS 6
 130
 131 /* these are outputs from the chip - integrated only
 132    external chips are via DVO or SDVO output */
 133 #define INTELFB_OUTPUT_UNUSED 0
 134 #define INTELFB_OUTPUT_ANALOG 1
 135 #define INTELFB_OUTPUT_DVO 2
 136 #define INTELFB_OUTPUT_SDVO 3
 137 #define INTELFB_OUTPUT_LVDS 4
 138 #define INTELFB_OUTPUT_TVOUT 5
 139
 140 #define INTELFB_DVO_CHIP_NONE 0
 141 #define INTELFB_DVO_CHIP_LVDS 1
 142 #define INTELFB_DVO_CHIP_TMDS 2
 143 #define INTELFB_DVO_CHIP_TVOUT 4
 144
 145 #define INTELFB_OUTPUT_PIPE_NC  0
 146 #define INTELFB_OUTPUT_PIPE_A   1
 147 #define INTELFB_OUTPUT_PIPE_B   2
 148
 149 /*** Data Types ***/
 150
 151 /* supported chipsets */
 152 enum intel_chips {
 153         INTEL_830M,
 154         INTEL_845G,
 155         INTEL_85XGM,
 156         INTEL_852GM,
 157         INTEL_852GME,
 158         INTEL_854,
 159         INTEL_855GM,
 160         INTEL_855GME,
 161         INTEL_865G,
 162         INTEL_915G,
 163         INTEL_915GM,
 164         INTEL_945G,
 165         INTEL_945GM,
 166         INTEL_945GME,
 167         INTEL_965G,
 168         INTEL_965GM,
 169 };
 170
 171 struct intelfb_hwstate {
 172         u32 vga0_divisor;
 173         u32 vga1_divisor;
 174         u32 vga_pd;
 175         u32 dpll_a;
 176         u32 dpll_b;
 177         u32 fpa0;
 178         u32 fpa1;
 179         u32 fpb0;
 180         u32 fpb1;
 181         u32 palette_a[PALETTE_8_ENTRIES];
 182         u32 palette_b[PALETTE_8_ENTRIES];
 183         u32 htotal_a;
 184         u32 hblank_a;
 185         u32 hsync_a;
 186         u32 vtotal_a;
 187         u32 vblank_a;
 188         u32 vsync_a;
 189         u32 src_size_a;
 190         u32 bclrpat_a;
 191         u32 htotal_b;
 192         u32 hblank_b;
 193         u32 hsync_b;
 194         u32 vtotal_b;
 195         u32 vblank_b;
 196         u32 vsync_b;
 197         u32 src_size_b;
 198         u32 bclrpat_b;
 199         u32 adpa;
 200         u32 dvoa;
 201         u32 dvob;
 202         u32 dvoc;
 203         u32 dvoa_srcdim;
 204         u32 dvob_srcdim;
 205         u32 dvoc_srcdim;
 206         u32 lvds;
 207         u32 pipe_a_conf;
 208         u32 pipe_b_conf;
 209         u32 disp_arb;
 210         u32 cursor_a_control;
 211         u32 cursor_b_control;
 212         u32 cursor_a_base;
 213         u32 cursor_b_base;
 214         u32 cursor_size;
 215         u32 disp_a_ctrl;
 216         u32 disp_b_ctrl;
 217         u32 disp_a_base;
 218         u32 disp_b_base;
 219         u32 cursor_a_palette[4];
 220         u32 cursor_b_palette[4];
 221         u32 disp_a_stride;
 222         u32 disp_b_stride;
 223         u32 vgacntrl;
 224         u32 add_id;
 225         u32 swf0x[7];
 226         u32 swf1x[7];
 227         u32 swf3x[3];
 228         u32 fence[8];
 229         u32 instpm;
 230         u32 mem_mode;
 231         u32 fw_blc_0;
 232         u32 fw_blc_1;
 233         u16 hwstam;
 234         u16 ier;
 235         u16 iir;
 236         u16 imr;
 237 };
 238
 239 struct intelfb_heap_data {
 240         u32 physical;
 241         u8 __iomem *virtual;
 242         u32 offset;             /* in GATT pages */
 243         u32 size;               /* in bytes */
 244 };
 245
 246 #ifdef CONFIG_FB_INTEL_I2C
 247 struct intelfb_i2c_chan {
 248     struct intelfb_info *dinfo;
 249     u32 reg;
 250     struct i2c_adapter adapter;
 251     struct i2c_algo_bit_data algo;
 252 };
 253 #endif
 254
 255 struct intelfb_output_rec {
 256     int type;
 257     int pipe;
 258     int flags;
 259
 260 #ifdef CONFIG_FB_INTEL_I2C
 261     struct intelfb_i2c_chan i2c_bus;
 262     struct intelfb_i2c_chan ddc_bus;
 263 #endif
 264 };
 265
 266 struct intelfb_vsync {
 267         wait_queue_head_t wait;
 268         unsigned int count;
 269         int pan_display;
 270         u32 pan_offset;
 271 };
 272
 273 struct intelfb_info {
 274         struct fb_info *info;
 275         struct fb_ops  *fbops;
 276         struct pci_dev *pdev;
 277
 278         struct intelfb_hwstate save_state;
 279
 280         /* agpgart structs */
 281         struct agp_memory *gtt_fb_mem;     /* use all stolen memory or vram */
 282         struct agp_memory *gtt_ring_mem;   /* ring buffer */
 283         struct agp_memory *gtt_cursor_mem; /* hw cursor */
 284
 285         /* use a gart reserved fb mem */
 286         u8 fbmem_gart;
 287
 288         /* mtrr support */
 289         int mtrr_reg;
 290         u32 has_mtrr;
 291
 292         /* heap data */
 293         struct intelfb_heap_data aperture;
 294         struct intelfb_heap_data fb;
 295         struct intelfb_heap_data ring;
 296         struct intelfb_heap_data cursor;
 297
 298         /* mmio regs */
 299         u32 mmio_base_phys;
 300         u8 __iomem *mmio_base;
 301
 302         /* fb start offset (in bytes) */
 303         u32 fb_start;
 304
 305         /* ring buffer */
 306         u32 ring_head;
 307         u32 ring_tail;
 308         u32 ring_tail_mask;
 309         u32 ring_space;
 310         u32 ring_lockup;
 311
 312         /* palette */
 313         u32 pseudo_palette[16];
 314
 315         /* chip info */
 316         int pci_chipset;
 317         int chipset;
 318         const char *name;
 319         int mobile;
 320
 321         /* current mode */
 322         int bpp, depth;
 323         u32 visual;
 324         int xres, yres, pitch;
 325         int pixclock;
 326
 327         /* current pipe */
 328         int pipe;
 329
 330         /* some flags */
 331         int accel;
 332         int hwcursor;
 333         int fixed_mode;
 334         int ring_active;
 335         int flag;
 336         unsigned long irq_flags;
 337         int open;
 338
 339         /* vsync */
 340         struct intelfb_vsync vsync;
 341         spinlock_t int_lock;
 342
 343         /* hw cursor */
 344         int cursor_on;
 345         int cursor_blanked;
 346         u8  cursor_src[64];
 347
 348         /* initial parameters */
 349         int initial_vga;
 350         struct fb_var_screeninfo initial_var;
 351         u32 initial_fb_base;
 352         u32 initial_video_ram;
 353         u32 initial_pitch;
 354
 355         /* driver registered */
 356         int registered;
 357
 358         /* index into plls */
 359         int pll_index;
 360
 361         /* outputs */
 362         int num_outputs;
 363         struct intelfb_output_rec output[MAX_OUTPUTS];
 364 };
 365
 366 #define IS_I9XX(dinfo) (((dinfo)->chipset == INTEL_915G) ||     \
 367                         ((dinfo)->chipset == INTEL_915GM) ||    \
 368                         ((dinfo)->chipset == INTEL_945G) ||     \
 369                         ((dinfo)->chipset == INTEL_945GM) ||    \
 370                         ((dinfo)->chipset == INTEL_945GME) ||   \
 371                         ((dinfo)->chipset == INTEL_965G) ||     \
 372                         ((dinfo)->chipset == INTEL_965GM))
 373
 374 #ifndef FBIO_WAITFORVSYNC
 375 #define FBIO_WAITFORVSYNC       _IOW('F', 0x20, __u32)
 376 #endif
 377
 378 /*** function prototypes ***/
 379
 380 extern int intelfb_var_to_depth(const struct fb_var_screeninfo *var);
 381
 382 #ifdef CONFIG_FB_INTEL_I2C
 383 extern void intelfb_create_i2c_busses(struct intelfb_info *dinfo);
 384 extern void intelfb_delete_i2c_busses(struct intelfb_info *dinfo);
 385 #endif
 386
 387 #endif /* _INTELFB_H */