drivers/video/ps3fb.c

   1 /*
   2  *  linux/drivers/video/ps3fb.c -- PS3 GPU frame buffer device
   3  *
   4  *      Copyright (C) 2006 Sony Computer Entertainment Inc.
   5  *      Copyright 2006, 2007 Sony Corporation
   6  *
   7  *  This file is based on :
   8  *
   9  *  linux/drivers/video/vfb.c -- Virtual frame buffer device
  10  *
  11  *      Copyright (C) 2002 James Simmons
  12  *
  13  *      Copyright (C) 1997 Geert Uytterhoeven
  14  *
  15  *  This file is subject to the terms and conditions of the GNU General Public
  16  *  License. See the file COPYING in the main directory of this archive for
  17  *  more details.
  18  */
  19
  20 #include <linux/module.h>
  21 #include <linux/kernel.h>
  22 #include <linux/errno.h>
  23 #include <linux/string.h>
  24 #include <linux/mm.h>
  25 #include <linux/tty.h>
  26 #include <linux/slab.h>
  27 #include <linux/vmalloc.h>
  28 #include <linux/delay.h>
  29 #include <linux/interrupt.h>
  30 #include <linux/console.h>
  31 #include <linux/ioctl.h>
  32 #include <linux/notifier.h>
  33 #include <linux/reboot.h>
  34 #include <linux/kthread.h>
  35 #include <linux/freezer.h>
  36
  37 #include <linux/uaccess.h>
  38 #include <linux/fb.h>
  39 #include <linux/init.h>
  40 #include <asm/time.h>
  41
  42 #include <asm/abs_addr.h>
  43 #include <asm/lv1call.h>
  44 #include <asm/ps3av.h>
  45 #include <asm/ps3fb.h>
  46 #include <asm/ps3.h>
  47
  48
  49 #define DEVICE_NAME             "ps3fb"
  50
  51 #ifdef PS3FB_DEBUG
  52 #define DPRINTK(fmt, args...) printk("%s: " fmt, __func__ , ##args)
  53 #else
  54 #define DPRINTK(fmt, args...)
  55 #endif
  56
  57 #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC    0x101
  58 #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP    0x102
  59 #define L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP        0x600
  60 #define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT         0x601
  61 #define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT_SYNC    0x602
  62
  63 #define L1GPU_FB_BLIT_WAIT_FOR_COMPLETION       (1ULL << 32)
  64
  65 #define L1GPU_DISPLAY_SYNC_HSYNC                1
  66 #define L1GPU_DISPLAY_SYNC_VSYNC                2
  67
  68 #define DDR_SIZE                                (0)     /* used no ddr */
  69 #define GPU_OFFSET                              (64 * 1024)
  70 #define GPU_IOIF                                (0x0d000000UL)
  71
  72 #define PS3FB_FULL_MODE_BIT                     0x80
  73
  74 #define GPU_INTR_STATUS_VSYNC_0                 0       /* vsync on head A */
  75 #define GPU_INTR_STATUS_VSYNC_1                 1       /* vsync on head B */
  76 #define GPU_INTR_STATUS_FLIP_0                  3       /* flip head A */
  77 #define GPU_INTR_STATUS_FLIP_1                  4       /* flip head B */
  78 #define GPU_INTR_STATUS_QUEUE_0                 5       /* queue head A */
  79 #define GPU_INTR_STATUS_QUEUE_1                 6       /* queue head B */
  80
  81 #define GPU_DRIVER_INFO_VERSION                 0x211
  82
  83 /* gpu internals */
  84 struct display_head {
  85         u64 be_time_stamp;
  86         u32 status;
  87         u32 offset;
  88         u32 res1;
  89         u32 res2;
  90         u32 field;
  91         u32 reserved1;
  92
  93         u64 res3;
  94         u32 raster;
  95
  96         u64 vblank_count;
  97         u32 field_vsync;
  98         u32 reserved2;
  99 };
 100
 101 struct gpu_irq {
 102         u32 irq_outlet;
 103         u32 status;
 104         u32 mask;
 105         u32 video_cause;
 106         u32 graph_cause;
 107         u32 user_cause;
 108
 109         u32 res1;
 110         u64 res2;
 111
 112         u32 reserved[4];
 113 };
 114
 115 struct gpu_driver_info {
 116         u32 version_driver;
 117         u32 version_gpu;
 118         u32 memory_size;
 119         u32 hardware_channel;
 120
 121         u32 nvcore_frequency;
 122         u32 memory_frequency;
 123
 124         u32 reserved[1063];
 125         struct display_head display_head[8];
 126         struct gpu_irq irq;
 127 };
 128
 129 struct ps3fb_priv {
 130         unsigned int irq_no;
 131
 132         u64 context_handle, memory_handle;
 133         void *xdr_ea;
 134         struct gpu_driver_info *dinfo;
 135         u32 res_index;
 136
 137         u64 vblank_count;       /* frame count */
 138         wait_queue_head_t wait_vsync;
 139
 140         u32 num_frames;         /* num of frame buffers */
 141         atomic_t ext_flip;      /* on/off flip with vsync */
 142         atomic_t f_count;       /* fb_open count */
 143         int is_blanked;
 144         int is_kicked;
 145         struct task_struct *task;
 146 };
 147 static struct ps3fb_priv ps3fb;
 148
 149 struct ps3fb_res_table {
 150         u32 xres;
 151         u32 yres;
 152         u32 xoff;
 153         u32 yoff;
 154         u32 type;
 155 };
 156 #define PS3FB_RES_FULL 1
 157 static const struct ps3fb_res_table ps3fb_res[] = {
 158         /* res_x,y   margin_x,y  full */
 159         {  720,  480,  72,  48 , 0},
 160         {  720,  576,  72,  58 , 0},
 161         { 1280,  720,  78,  38 , 0},
 162         { 1920, 1080, 116,  58 , 0},
 163         /* full mode */
 164         {  720,  480,   0,   0 , PS3FB_RES_FULL},
 165         {  720,  576,   0,   0 , PS3FB_RES_FULL},
 166         { 1280,  720,   0,   0 , PS3FB_RES_FULL},
 167         { 1920, 1080,   0,   0 , PS3FB_RES_FULL},
 168         /* vesa: normally full mode */
 169         { 1280,  768,   0,   0 , 0},
 170         { 1280, 1024,   0,   0 , 0},
 171         { 1920, 1200,   0,   0 , 0},
 172         {    0,    0,   0,   0 , 0} };
 173
 174 /* default resolution */
 175 #define GPU_RES_INDEX   0               /* 720 x 480 */
 176
 177 static const struct fb_videomode ps3fb_modedb[] = {
 178     /* 60 Hz broadcast modes (modes "1" to "5") */
 179     {
 180         /* 480i */
 181         "480i", 60, 576, 384, 74074, 130, 89, 78, 57, 63, 6,
 182         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 183     },    {
 184         /* 480p */
 185         "480p", 60, 576, 384, 37037, 130, 89, 78, 57, 63, 6,
 186         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 187     },    {
 188         /* 720p */
 189         "720p", 60, 1124, 644, 13481, 298, 148, 57, 44, 80, 5,
 190         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 191     },    {
 192         /* 1080i */
 193         "1080i", 60, 1688, 964, 13481, 264, 160, 94, 62, 88, 5,
 194         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 195     },    {
 196         /* 1080p */
 197         "1080p", 60, 1688, 964, 6741, 264, 160, 94, 62, 88, 5,
 198         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 199     },
 200
 201     /* 50 Hz broadcast modes (modes "6" to "10") */
 202     {
 203         /* 576i */
 204         "576i", 50, 576, 460, 74074, 142, 83, 97, 63, 63, 5,
 205         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 206     },    {
 207         /* 576p */
 208         "576p", 50, 576, 460, 37037, 142, 83, 97, 63, 63, 5,
 209         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 210     },    {
 211         /* 720p */
 212         "720p", 50, 1124, 644, 13468, 298, 478, 57, 44, 80, 5,
 213         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 214     },    {
 215         /* 1080 */
 216         "1080i", 50, 1688, 964, 13468, 264, 600, 94, 62, 88, 5,
 217         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 218     },    {
 219         /* 1080p */
 220         "1080p", 50, 1688, 964, 6734, 264, 600, 94, 62, 88, 5,
 221         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 222     },
 223
 224     /* VESA modes (modes "11" to "13") */
 225     {
 226         /* WXGA */
 227         "wxga", 60, 1280, 768, 12924, 160, 24, 29, 3, 136, 6,
 228         0, FB_VMODE_NONINTERLACED,
 229         FB_MODE_IS_VESA
 230     }, {
 231         /* SXGA */
 232         "sxga", 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3,
 233         FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED,
 234         FB_MODE_IS_VESA
 235     }, {
 236         /* WUXGA */
 237         "wuxga", 60, 1920, 1200, 6494, 80, 48, 26, 3, 32, 6,
 238         FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED,
 239         FB_MODE_IS_VESA
 240     },
 241
 242     /* 60 Hz broadcast modes (full resolution versions of modes "1" to "5") */
 243     {
 244         /* 480if */
 245         "480if", 60, 720, 480, 74074, 58, 17, 30, 9, 63, 6,
 246         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 247     }, {
 248         /* 480pf */
 249         "480pf", 60, 720, 480, 37037, 58, 17, 30, 9, 63, 6,
 250         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 251     }, {
 252         /* 720pf */
 253         "720pf", 60, 1280, 720, 13481, 220, 70, 19, 6, 80, 5,
 254         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 255     }, {
 256         /* 1080if */
 257         "1080if", 60, 1920, 1080, 13481, 148, 44, 36, 4, 88, 5,
 258         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 259     }, {
 260         /* 1080pf */
 261         "1080pf", 60, 1920, 1080, 6741, 148, 44, 36, 4, 88, 5,
 262         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 263     },
 264
 265     /* 50 Hz broadcast modes (full resolution versions of modes "6" to "10") */
 266     {
 267         /* 576if */
 268         "576if", 50, 720, 576, 74074, 70, 11, 39, 5, 63, 5,
 269         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 270     }, {
 271         /* 576pf */
 272         "576pf", 50, 720, 576, 37037, 70, 11, 39, 5, 63, 5,
 273         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 274     }, {
 275         /* 720pf */
 276         "720pf", 50, 1280, 720, 13468, 220, 400, 19, 6, 80, 5,
 277         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 278     }, {
 279         /* 1080if */
 280         "1080f", 50, 1920, 1080, 13468, 148, 484, 36, 4, 88, 5,
 281         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 282     }, {
 283         /* 1080pf */
 284         "1080pf", 50, 1920, 1080, 6734, 148, 484, 36, 4, 88, 5,
 285         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 286     }
 287 };
 288
 289
 290 #define HEAD_A
 291 #define HEAD_B
 292
 293 #define X_OFF(i)        (ps3fb_res[i].xoff)     /* left/right margin (pixel) */
 294 #define Y_OFF(i)        (ps3fb_res[i].yoff)     /* top/bottom margin (pixel) */
 295 #define WIDTH(i)        (ps3fb_res[i].xres)     /* width of FB */
 296 #define HEIGHT(i)       (ps3fb_res[i].yres)     /* height of FB */
 297 #define BPP     4               /* number of bytes per pixel */
 298 #define VP_OFF(i)       (WIDTH(i) * Y_OFF(i) * BPP + X_OFF(i) * BPP)
 299 #define FB_OFF(i)       (GPU_OFFSET - VP_OFF(i) % GPU_OFFSET)
 300
 301 static int ps3fb_mode;
 302 module_param(ps3fb_mode, int, 0);
 303
 304 static char *mode_option __devinitdata;
 305
 306 static int ps3fb_get_res_table(u32 xres, u32 yres, int mode)
 307 {
 308         int full_mode;
 309         unsigned int i;
 310         u32 x, y, f;
 311
 312         full_mode = (mode & PS3FB_FULL_MODE_BIT) ? PS3FB_RES_FULL : 0;
 313         for (i = 0;; i++) {
 314                 x = ps3fb_res[i].xres;
 315                 y = ps3fb_res[i].yres;
 316                 f = ps3fb_res[i].type;
 317
 318                 if (!x) {
 319                         DPRINTK("ERROR: ps3fb_get_res_table()\n");
 320                         return -1;
 321                 }
 322
 323                 if (full_mode == PS3FB_RES_FULL && f != PS3FB_RES_FULL)
 324                         continue;
 325
 326                 if (x == xres && (yres == 0 || y == yres))
 327                         break;
 328
 329                 x = x - 2 * ps3fb_res[i].xoff;
 330                 y = y - 2 * ps3fb_res[i].yoff;
 331                 if (x == xres && (yres == 0 || y == yres))
 332                         break;
 333         }
 334         return i;
 335 }
 336
 337 static unsigned int ps3fb_find_mode(const struct fb_var_screeninfo *var,
 338                                     u32 *line_length)
 339 {
 340         unsigned int i, mode;
 341
 342         for (i = 0; i < ARRAY_SIZE(ps3fb_modedb); i++)
 343                 if (var->xres == ps3fb_modedb[i].xres &&
 344                     var->yres == ps3fb_modedb[i].yres &&
 345                     var->pixclock == ps3fb_modedb[i].pixclock &&
 346                     var->hsync_len == ps3fb_modedb[i].hsync_len &&
 347                     var->vsync_len == ps3fb_modedb[i].vsync_len &&
 348                     var->left_margin == ps3fb_modedb[i].left_margin &&
 349                     var->right_margin == ps3fb_modedb[i].right_margin &&
 350                     var->upper_margin == ps3fb_modedb[i].upper_margin &&
 351                     var->lower_margin == ps3fb_modedb[i].lower_margin &&
 352                     var->sync == ps3fb_modedb[i].sync &&
 353                     (var->vmode & FB_VMODE_MASK) == ps3fb_modedb[i].vmode) {
 354                         /* Cropped broadcast modes use the full line_length */
 355                         *line_length =
 356                             ps3fb_modedb[i < 10 ? i + 13 : i].xres * 4;
 357                         /* Full broadcast modes have the full mode bit set */
 358                         mode = i > 12 ? (i - 12) | PS3FB_FULL_MODE_BIT : i + 1;
 359
 360                         DPRINTK("ps3fb_find_mode: mode %u\n", mode);
 361                         return mode;
 362                 }
 363
 364         DPRINTK("ps3fb_find_mode: mode not found\n");
 365         return 0;
 366
 367 }
 368
 369 static const struct fb_videomode *ps3fb_default_mode(void)
 370 {
 371         u32 mode = ps3fb_mode & PS3AV_MODE_MASK;
 372         u32 flags;
 373
 374         if (mode < 1 || mode > 13)
 375                 return NULL;
 376
 377         flags = ps3fb_mode & ~PS3AV_MODE_MASK;
 378
 379         if (mode <= 10 && flags & PS3FB_FULL_MODE_BIT) {
 380                 /* Full broadcast mode */
 381                 return &ps3fb_modedb[mode + 12];
 382         }
 383
 384         return &ps3fb_modedb[mode - 1];
 385 }
 386
 387 static int ps3fb_sync(u32 frame)
 388 {
 389         int i, status;
 390         u32 xres, yres;
 391         u64 fb_ioif, offset;
 392
 393         i = ps3fb.res_index;
 394         xres = ps3fb_res[i].xres;
 395         yres = ps3fb_res[i].yres;
 396
 397         if (frame > ps3fb.num_frames - 1) {
 398                 printk(KERN_WARNING "%s: invalid frame number (%u)\n",
 399                        __func__, frame);
 400                 return -EINVAL;
 401         }
 402         offset = xres * yres * BPP * frame;
 403
 404         fb_ioif = GPU_IOIF + FB_OFF(i) + offset;
 405         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 406                                            L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT,
 407                                            offset, fb_ioif,
 408                                            L1GPU_FB_BLIT_WAIT_FOR_COMPLETION |
 409                                            (xres << 16) | yres,
 410                                            xres * BPP); /* line_length */
 411         if (status)
 412                 printk(KERN_ERR
 413                        "%s: lv1_gpu_context_attribute FB_BLIT failed: %d\n",
 414                        __func__, status);
 415 #ifdef HEAD_A
 416         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 417                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
 418                                            0, offset, 0, 0);
 419         if (status)
 420                 printk(KERN_ERR
 421                        "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
 422                        __func__, status);
 423 #endif
 424 #ifdef HEAD_B
 425         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 426                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
 427                                            1, offset, 0, 0);
 428         if (status)
 429                 printk(KERN_ERR
 430                        "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
 431                        __func__, status);
 432 #endif
 433         return 0;
 434 }
 435
 436
 437 static int ps3fb_open(struct fb_info *info, int user)
 438 {
 439         atomic_inc(&ps3fb.f_count);
 440         return 0;
 441 }
 442
 443 static int ps3fb_release(struct fb_info *info, int user)
 444 {
 445         if (atomic_dec_and_test(&ps3fb.f_count)) {
 446                 if (atomic_read(&ps3fb.ext_flip)) {
 447                         atomic_set(&ps3fb.ext_flip, 0);
 448                         ps3fb_sync(0);  /* single buffer */
 449                 }
 450         }
 451         return 0;
 452 }
 453
 454     /*
 455      *  Setting the video mode has been split into two parts.
 456      *  First part, xxxfb_check_var, must not write anything
 457      *  to hardware, it should only verify and adjust var.
 458      *  This means it doesn't alter par but it does use hardware
 459      *  data from it to check this var.
 460      */
 461
 462 static int ps3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 463 {
 464         u32 line_length;
 465         int mode;
 466         int i;
 467
 468         DPRINTK("var->xres:%u info->var.xres:%u\n", var->xres, info->var.xres);
 469         DPRINTK("var->yres:%u info->var.yres:%u\n", var->yres, info->var.yres);
 470
 471         /* FIXME For now we do exact matches only */
 472         mode = ps3fb_find_mode(var, &line_length);
 473         if (!mode)
 474                 return -EINVAL;
 475
 476         /*
 477          *  FB_VMODE_CONUPDATE and FB_VMODE_SMOOTH_XPAN are equal!
 478          *  as FB_VMODE_SMOOTH_XPAN is only used internally
 479          */
 480
 481         if (var->vmode & FB_VMODE_CONUPDATE) {
 482                 var->vmode |= FB_VMODE_YWRAP;
 483                 var->xoffset = info->var.xoffset;
 484                 var->yoffset = info->var.yoffset;
 485         }
 486
 487         /* Virtual screen and panning are not supported */
 488         if (var->xres_virtual > var->xres || var->yres_virtual > var->yres ||
 489             var->xoffset || var->yoffset) {
 490                 DPRINTK("Virtual screen and panning are not supported\n");
 491                 return -EINVAL;
 492         }
 493
 494         var->xres_virtual = var->xres;
 495         var->yres_virtual = var->yres;
 496
 497         /* We support ARGB8888 only */
 498         if (var->bits_per_pixel > 32 || var->grayscale ||
 499             var->red.offset > 16 || var->green.offset > 8 ||
 500             var->blue.offset > 0 || var->transp.offset > 24 ||
 501             var->red.length > 8 || var->green.length > 8 ||
 502             var->blue.length > 8 || var->transp.length > 8 ||
 503             var->red.msb_right || var->green.msb_right ||
 504             var->blue.msb_right || var->transp.msb_right || var->nonstd) {
 505                 DPRINTK("We support ARGB8888 only\n");
 506                 return -EINVAL;
 507         }
 508
 509         var->bits_per_pixel = 32;
 510         var->red.offset = 16;
 511         var->green.offset = 8;
 512         var->blue.offset = 0;
 513         var->transp.offset = 24;
 514         var->red.length = 8;
 515         var->green.length = 8;
 516         var->blue.length = 8;
 517         var->transp.length = 8;
 518         var->red.msb_right = 0;
 519         var->green.msb_right = 0;
 520         var->blue.msb_right = 0;
 521         var->transp.msb_right = 0;
 522
 523         /* Rotation is not supported */
 524         if (var->rotate) {
 525                 DPRINTK("Rotation is not supported\n");
 526                 return -EINVAL;
 527         }
 528
 529         /* Memory limit */
 530         i = ps3fb_get_res_table(var->xres, var->yres, mode);
 531         if (ps3fb_res[i].xres*ps3fb_res[i].yres*BPP > ps3fb_videomemory.size) {
 532                 DPRINTK("Not enough memory\n");
 533                 return -ENOMEM;
 534         }
 535
 536         var->height = -1;
 537         var->width = -1;
 538
 539         return 0;
 540 }
 541
 542     /*
 543      * This routine actually sets the video mode.
 544      */
 545
 546 static int ps3fb_set_par(struct fb_info *info)
 547 {
 548         unsigned int mode;
 549         int i;
 550         unsigned long offset;
 551         static int first = 1;
 552
 553         DPRINTK("xres:%d xv:%d yres:%d yv:%d clock:%d\n",
 554                 info->var.xres, info->var.xres_virtual,
 555                 info->var.yres, info->var.yres_virtual, info->var.pixclock);
 556
 557         mode = ps3fb_find_mode(&info->var, &info->fix.line_length);
 558         if (!mode)
 559                 return -EINVAL;
 560
 561         i = ps3fb_get_res_table(info->var.xres, info->var.yres, mode);
 562         ps3fb.res_index = i;
 563
 564         offset = FB_OFF(i) + VP_OFF(i);
 565         info->fix.smem_len = ps3fb_videomemory.size - offset;
 566         info->screen_base = (char __iomem *)ps3fb.xdr_ea + offset;
 567         memset(ps3fb.xdr_ea, 0, ps3fb_videomemory.size);
 568
 569         ps3fb.num_frames = ps3fb_videomemory.size/
 570                            (ps3fb_res[i].xres*ps3fb_res[i].yres*BPP);
 571
 572         /* Keep the special bits we cannot set using fb_var_screeninfo */
 573         ps3fb_mode = (ps3fb_mode & ~PS3AV_MODE_MASK) | mode;
 574
 575         if (ps3av_set_video_mode(ps3fb_mode, first))
 576                 return -EINVAL;
 577
 578         first = 0;
 579         return 0;
 580 }
 581
 582     /*
 583      *  Set a single color register. The values supplied are already
 584      *  rounded down to the hardware's capabilities (according to the
 585      *  entries in the var structure). Return != 0 for invalid regno.
 586      */
 587
 588 static int ps3fb_setcolreg(unsigned int regno, unsigned int red,
 589                            unsigned int green, unsigned int blue,
 590                            unsigned int transp, struct fb_info *info)
 591 {
 592         if (regno >= 16)
 593                 return 1;
 594
 595         red >>= 8;
 596         green >>= 8;
 597         blue >>= 8;
 598         transp >>= 8;
 599
 600         ((u32 *)info->pseudo_palette)[regno] = transp << 24 | red << 16 |
 601                                                green << 8 | blue;
 602         return 0;
 603 }
 604
 605     /*
 606      *  As we have a virtual frame buffer, we need our own mmap function
 607      */
 608
 609 static int ps3fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
 610 {
 611         unsigned long size, offset;
 612         int i;
 613
 614         i = ps3fb_get_res_table(info->var.xres, info->var.yres, ps3fb_mode);
 615         if (i == -1)
 616                 return -EINVAL;
 617
 618         size = vma->vm_end - vma->vm_start;
 619         offset = vma->vm_pgoff << PAGE_SHIFT;
 620         if (offset + size > info->fix.smem_len)
 621                 return -EINVAL;
 622
 623         offset += info->fix.smem_start + FB_OFF(i) + VP_OFF(i);
 624         if (remap_pfn_range(vma, vma->vm_start, offset >> PAGE_SHIFT,
 625                             size, vma->vm_page_prot))
 626                 return -EAGAIN;
 627
 628         printk(KERN_DEBUG "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n", offset,
 629                vma->vm_start);
 630         return 0;
 631 }
 632
 633     /*
 634      * Blank the display
 635      */
 636
 637 static int ps3fb_blank(int blank, struct fb_info *info)
 638 {
 639         int retval;
 640
 641         DPRINTK("%s: blank:%d\n", __func__, blank);
 642         switch (blank) {
 643         case FB_BLANK_POWERDOWN:
 644         case FB_BLANK_HSYNC_SUSPEND:
 645         case FB_BLANK_VSYNC_SUSPEND:
 646         case FB_BLANK_NORMAL:
 647                 retval = ps3av_video_mute(1);   /* mute on */
 648                 if (!retval)
 649                         ps3fb.is_blanked = 1;
 650                 break;
 651
 652         default:                /* unblank */
 653                 retval = ps3av_video_mute(0);   /* mute off */
 654                 if (!retval)
 655                         ps3fb.is_blanked = 0;
 656                 break;
 657         }
 658         return retval;
 659 }
 660
 661 static int ps3fb_get_vblank(struct fb_vblank *vblank)
 662 {
 663         memset(vblank, 0, sizeof(&vblank));
 664         vblank->flags = FB_VBLANK_HAVE_VSYNC;
 665         return 0;
 666 }
 667
 668 int ps3fb_wait_for_vsync(u32 crtc)
 669 {
 670         int ret;
 671         u64 count;
 672
 673         count = ps3fb.vblank_count;
 674         ret = wait_event_interruptible_timeout(ps3fb.wait_vsync,
 675                                                count != ps3fb.vblank_count,
 676                                                HZ / 10);
 677         if (!ret)
 678                 return -ETIMEDOUT;
 679
 680         return 0;
 681 }
 682
 683 EXPORT_SYMBOL_GPL(ps3fb_wait_for_vsync);
 684
 685 void ps3fb_flip_ctl(int on, void *data)
 686 {
 687         struct ps3fb_priv *priv = data;
 688         if (on)
 689                 atomic_dec_if_positive(&priv->ext_flip);
 690         else
 691                 atomic_inc(&priv->ext_flip);
 692 }
 693
 694
 695     /*
 696      * ioctl
 697      */
 698
 699 static int ps3fb_ioctl(struct fb_info *info, unsigned int cmd,
 700                        unsigned long arg)
 701 {
 702         void __user *argp = (void __user *)arg;
 703         u32 val, old_mode;
 704         int retval = -EFAULT;
 705
 706         switch (cmd) {
 707         case FBIOGET_VBLANK:
 708                 {
 709                         struct fb_vblank vblank;
 710                         DPRINTK("FBIOGET_VBLANK:\n");
 711                         retval = ps3fb_get_vblank(&vblank);
 712                         if (retval)
 713                                 break;
 714
 715                         if (copy_to_user(argp, &vblank, sizeof(vblank)))
 716                                 retval = -EFAULT;
 717                         break;
 718                 }
 719
 720         case FBIO_WAITFORVSYNC:
 721                 {
 722                         u32 crt;
 723                         DPRINTK("FBIO_WAITFORVSYNC:\n");
 724                         if (get_user(crt, (u32 __user *) arg))
 725                                 break;
 726
 727                         retval = ps3fb_wait_for_vsync(crt);
 728                         break;
 729                 }
 730
 731         case PS3FB_IOCTL_SETMODE:
 732                 {
 733                         const struct fb_videomode *mode;
 734                         struct fb_var_screeninfo var;
 735
 736                         if (copy_from_user(&val, argp, sizeof(val)))
 737                                 break;
 738
 739                         if (!(val & PS3AV_MODE_MASK)) {
 740                                 u32 id = ps3av_get_auto_mode(0);
 741                                 if (id > 0)
 742                                         val = (val & ~PS3AV_MODE_MASK) | id;
 743                         }
 744                         DPRINTK("PS3FB_IOCTL_SETMODE:%x\n", val);
 745                         retval = -EINVAL;
 746                         old_mode = ps3fb_mode;
 747                         ps3fb_mode = val;
 748                         mode = ps3fb_default_mode();
 749                         if (mode) {
 750                                 var = info->var;
 751                                 fb_videomode_to_var(&var, mode);
 752                                 acquire_console_sem();
 753                                 info->flags |= FBINFO_MISC_USEREVENT;
 754                                 /* Force, in case only special bits changed */
 755                                 var.activate |= FB_ACTIVATE_FORCE;
 756                                 retval = fb_set_var(info, &var);
 757                                 info->flags &= ~FBINFO_MISC_USEREVENT;
 758                                 release_console_sem();
 759                         }
 760                         if (retval)
 761                                 ps3fb_mode = old_mode;
 762                         break;
 763                 }
 764
 765         case PS3FB_IOCTL_GETMODE:
 766                 val = ps3av_get_mode();
 767                 DPRINTK("PS3FB_IOCTL_GETMODE:%x\n", val);
 768                 if (!copy_to_user(argp, &val, sizeof(val)))
 769                         retval = 0;
 770                 break;
 771
 772         case PS3FB_IOCTL_SCREENINFO:
 773                 {
 774                         struct ps3fb_ioctl_res res;
 775                         int i = ps3fb.res_index;
 776                         DPRINTK("PS3FB_IOCTL_SCREENINFO:\n");
 777                         res.xres = ps3fb_res[i].xres;
 778                         res.yres = ps3fb_res[i].yres;
 779                         res.xoff = ps3fb_res[i].xoff;
 780                         res.yoff = ps3fb_res[i].yoff;
 781                         res.num_frames = ps3fb.num_frames;
 782                         if (!copy_to_user(argp, &res, sizeof(res)))
 783                                 retval = 0;
 784                         break;
 785                 }
 786
 787         case PS3FB_IOCTL_ON:
 788                 DPRINTK("PS3FB_IOCTL_ON:\n");
 789                 atomic_inc(&ps3fb.ext_flip);
 790                 retval = 0;
 791                 break;
 792
 793         case PS3FB_IOCTL_OFF:
 794                 DPRINTK("PS3FB_IOCTL_OFF:\n");
 795                 atomic_dec_if_positive(&ps3fb.ext_flip);
 796                 retval = 0;
 797                 break;
 798
 799         case PS3FB_IOCTL_FSEL:
 800                 if (copy_from_user(&val, argp, sizeof(val)))
 801                         break;
 802
 803                 DPRINTK("PS3FB_IOCTL_FSEL:%d\n", val);
 804                 retval = ps3fb_sync(val);
 805                 break;
 806
 807         default:
 808                 retval = -ENOIOCTLCMD;
 809                 break;
 810         }
 811         return retval;
 812 }
 813
 814 static int ps3fbd(void *arg)
 815 {
 816         set_freezable();
 817         while (!kthread_should_stop()) {
 818                 try_to_freeze();
 819                 set_current_state(TASK_INTERRUPTIBLE);
 820                 if (ps3fb.is_kicked) {
 821                         ps3fb.is_kicked = 0;
 822                         ps3fb_sync(0);  /* single buffer */
 823                 }
 824                 schedule();
 825         }
 826         return 0;
 827 }
 828
 829 static irqreturn_t ps3fb_vsync_interrupt(int irq, void *ptr)
 830 {
 831         u64 v1;
 832         int status;
 833         struct display_head *head = &ps3fb.dinfo->display_head[1];
 834
 835         status = lv1_gpu_context_intr(ps3fb.context_handle, &v1);
 836         if (status) {
 837                 printk(KERN_ERR "%s: lv1_gpu_context_intr failed: %d\n",
 838                        __func__, status);
 839                 return IRQ_NONE;
 840         }
 841
 842         if (v1 & (1 << GPU_INTR_STATUS_VSYNC_1)) {
 843                 /* VSYNC */
 844                 ps3fb.vblank_count = head->vblank_count;
 845                 if (ps3fb.task && !ps3fb.is_blanked &&
 846                     !atomic_read(&ps3fb.ext_flip)) {
 847                         ps3fb.is_kicked = 1;
 848                         wake_up_process(ps3fb.task);
 849                 }
 850                 wake_up_interruptible(&ps3fb.wait_vsync);
 851         }
 852
 853         return IRQ_HANDLED;
 854 }
 855
 856
 857 static int ps3fb_vsync_settings(struct gpu_driver_info *dinfo,
 858                                 struct ps3_system_bus_device *dev)
 859 {
 860         int error;
 861
 862         DPRINTK("version_driver:%x\n", dinfo->version_driver);
 863         DPRINTK("irq outlet:%x\n", dinfo->irq.irq_outlet);
 864         DPRINTK("version_gpu:%x memory_size:%x ch:%x core_freq:%d mem_freq:%d\n",
 865                 dinfo->version_gpu, dinfo->memory_size, dinfo->hardware_channel,
 866                 dinfo->nvcore_frequency/1000000, dinfo->memory_frequency/1000000);
 867
 868         if (dinfo->version_driver != GPU_DRIVER_INFO_VERSION) {
 869                 printk(KERN_ERR "%s: version_driver err:%x\n", __func__,
 870                        dinfo->version_driver);
 871                 return -EINVAL;
 872         }
 873
 874         error = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet,
 875                                    &ps3fb.irq_no);
 876         if (error) {
 877                 printk(KERN_ERR "%s: ps3_alloc_irq failed %d\n", __func__,
 878                        error);
 879                 return error;
 880         }
 881
 882         error = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt, IRQF_DISABLED,
 883                             DEVICE_NAME, dev);
 884         if (error) {
 885                 printk(KERN_ERR "%s: request_irq failed %d\n", __func__,
 886                        error);
 887                 ps3_irq_plug_destroy(ps3fb.irq_no);
 888                 return error;
 889         }
 890
 891         dinfo->irq.mask = (1 << GPU_INTR_STATUS_VSYNC_1) |
 892                           (1 << GPU_INTR_STATUS_FLIP_1);
 893         return 0;
 894 }
 895
 896 static int ps3fb_xdr_settings(u64 xdr_lpar)
 897 {
 898         int status;
 899
 900         status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF,
 901                                        xdr_lpar, ps3fb_videomemory.size, 0);
 902         if (status) {
 903                 printk(KERN_ERR "%s: lv1_gpu_context_iomap failed: %d\n",
 904                        __func__, status);
 905                 return -ENXIO;
 906         }
 907         DPRINTK("video:%p xdr_ea:%p ioif:%lx lpar:%lx phys:%lx size:%lx\n",
 908                 ps3fb_videomemory.address, ps3fb.xdr_ea, GPU_IOIF, xdr_lpar,
 909                 virt_to_abs(ps3fb.xdr_ea), ps3fb_videomemory.size);
 910
 911         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 912                                            L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP,
 913                                            xdr_lpar, ps3fb_videomemory.size,
 914                                            GPU_IOIF, 0);
 915         if (status) {
 916                 printk(KERN_ERR
 917                        "%s: lv1_gpu_context_attribute FB_SETUP failed: %d\n",
 918                        __func__, status);
 919                 return -ENXIO;
 920         }
 921         return 0;
 922 }
 923
 924 static struct fb_ops ps3fb_ops = {
 925         .fb_open        = ps3fb_open,
 926         .fb_release     = ps3fb_release,
 927         .fb_read        = fb_sys_read,
 928         .fb_write       = fb_sys_write,
 929         .fb_check_var   = ps3fb_check_var,
 930         .fb_set_par     = ps3fb_set_par,
 931         .fb_setcolreg   = ps3fb_setcolreg,
 932         .fb_fillrect    = sys_fillrect,
 933         .fb_copyarea    = sys_copyarea,
 934         .fb_imageblit   = sys_imageblit,
 935         .fb_mmap        = ps3fb_mmap,
 936         .fb_blank       = ps3fb_blank,
 937         .fb_ioctl       = ps3fb_ioctl,
 938         .fb_compat_ioctl = ps3fb_ioctl
 939 };
 940
 941 static struct fb_fix_screeninfo ps3fb_fix __initdata = {
 942         .id =           DEVICE_NAME,
 943         .type =         FB_TYPE_PACKED_PIXELS,
 944         .visual =       FB_VISUAL_TRUECOLOR,
 945         .accel =        FB_ACCEL_NONE,
 946 };
 947
 948 static int ps3fb_set_sync(void)
 949 {
 950         int status;
 951
 952 #ifdef HEAD_A
 953         status = lv1_gpu_context_attribute(0x0,
 954                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
 955                                            0, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
 956         if (status) {
 957                 printk(KERN_ERR "%s: lv1_gpu_context_attribute DISPLAY_SYNC "
 958                        "failed: %d\n", __func__, status);
 959                 return -1;
 960         }
 961 #endif
 962 #ifdef HEAD_B
 963         status = lv1_gpu_context_attribute(0x0,
 964                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
 965                                            1, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
 966
 967         if (status) {
 968                 printk(KERN_ERR "%s: lv1_gpu_context_attribute DISPLAY_MODE "
 969                        "failed: %d\n", __func__, status);
 970                 return -1;
 971         }
 972 #endif
 973         return 0;
 974 }
 975
 976 static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev)
 977 {
 978         struct fb_info *info;
 979         int retval = -ENOMEM;
 980         u32 xres, yres;
 981         u64 ddr_lpar = 0;
 982         u64 lpar_dma_control = 0;
 983         u64 lpar_driver_info = 0;
 984         u64 lpar_reports = 0;
 985         u64 lpar_reports_size = 0;
 986         u64 xdr_lpar;
 987         int status;
 988         unsigned long offset;
 989         struct task_struct *task;
 990
 991         status = ps3_open_hv_device(dev);
 992         if (status) {
 993                 printk(KERN_ERR "%s: ps3_open_hv_device failed\n", __func__);
 994                 goto err;
 995         }
 996
 997         if (!ps3fb_mode)
 998                 ps3fb_mode = ps3av_get_mode();
 999         DPRINTK("ps3av_mode:%d\n", ps3fb_mode);
1000
1001         if (ps3fb_mode > 0 &&
1002             !ps3av_video_mode2res(ps3fb_mode, &xres, &yres)) {
1003                 ps3fb.res_index = ps3fb_get_res_table(xres, yres, ps3fb_mode);
1004                 DPRINTK("res_index:%d\n", ps3fb.res_index);
1005         } else
1006                 ps3fb.res_index = GPU_RES_INDEX;
1007
1008         atomic_set(&ps3fb.f_count, -1); /* fbcon opens ps3fb */
1009         atomic_set(&ps3fb.ext_flip, 0); /* for flip with vsync */
1010         init_waitqueue_head(&ps3fb.wait_vsync);
1011         ps3fb.num_frames = 1;
1012
1013         ps3fb_set_sync();
1014
1015         /* get gpu context handle */
1016         status = lv1_gpu_memory_allocate(DDR_SIZE, 0, 0, 0, 0,
1017                                          &ps3fb.memory_handle, &ddr_lpar);
1018         if (status) {
1019                 printk(KERN_ERR "%s: lv1_gpu_memory_allocate failed: %d\n",
1020                        __func__, status);
1021                 goto err;
1022         }
1023         DPRINTK("ddr:lpar:0x%lx\n", ddr_lpar);
1024
1025         status = lv1_gpu_context_allocate(ps3fb.memory_handle, 0,
1026                                           &ps3fb.context_handle,
1027                                           &lpar_dma_control, &lpar_driver_info,
1028                                           &lpar_reports, &lpar_reports_size);
1029         if (status) {
1030                 printk(KERN_ERR "%s: lv1_gpu_context_attribute failed: %d\n",
1031                        __func__, status);
1032                 goto err_gpu_memory_free;
1033         }
1034
1035         /* vsync interrupt */
1036         ps3fb.dinfo = ioremap(lpar_driver_info, 128 * 1024);
1037         if (!ps3fb.dinfo) {
1038                 printk(KERN_ERR "%s: ioremap failed\n", __func__);
1039                 goto err_gpu_context_free;
1040         }
1041
1042         retval = ps3fb_vsync_settings(ps3fb.dinfo, dev);
1043         if (retval)
1044                 goto err_iounmap_dinfo;
1045
1046         /* xdr frame buffer */
1047         ps3fb.xdr_ea = ps3fb_videomemory.address;
1048         xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb.xdr_ea));
1049         retval = ps3fb_xdr_settings(xdr_lpar);
1050         if (retval)
1051                 goto err_free_irq;
1052
1053         /*
1054          * ps3fb must clear memory to prevent kernel info
1055          * leakage into userspace
1056          */
1057         memset(ps3fb.xdr_ea, 0, ps3fb_videomemory.size);
1058         info = framebuffer_alloc(sizeof(u32) * 16, &dev->core);
1059         if (!info)
1060                 goto err_free_irq;
1061
1062         offset = FB_OFF(ps3fb.res_index) + VP_OFF(ps3fb.res_index);
1063         info->screen_base = (char __iomem *)ps3fb.xdr_ea + offset;
1064         info->fbops = &ps3fb_ops;
1065
1066         info->fix = ps3fb_fix;
1067         info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea);
1068         info->fix.smem_len = ps3fb_videomemory.size - offset;
1069         info->pseudo_palette = info->par;
1070         info->par = NULL;
1071         info->flags = FBINFO_DEFAULT | FBINFO_READS_FAST;
1072
1073         retval = fb_alloc_cmap(&info->cmap, 256, 0);
1074         if (retval < 0)
1075                 goto err_framebuffer_release;
1076
1077         if (!fb_find_mode(&info->var, info, mode_option, ps3fb_modedb,
1078                           ARRAY_SIZE(ps3fb_modedb), ps3fb_default_mode(), 32)) {
1079                 retval = -EINVAL;
1080                 goto err_fb_dealloc;
1081         }
1082
1083         fb_videomode_to_modelist(ps3fb_modedb, ARRAY_SIZE(ps3fb_modedb),
1084                                  &info->modelist);
1085
1086         retval = register_framebuffer(info);
1087         if (retval < 0)
1088                 goto err_fb_dealloc;
1089
1090         dev->core.driver_data = info;
1091
1092         printk(KERN_INFO
1093                "fb%d: PS3 frame buffer device, using %ld KiB of video memory\n",
1094                info->node, ps3fb_videomemory.size >> 10);
1095
1096         task = kthread_run(ps3fbd, info, DEVICE_NAME);
1097         if (IS_ERR(task)) {
1098                 retval = PTR_ERR(task);
1099                 goto err_unregister_framebuffer;
1100         }
1101
1102         ps3fb.task = task;
1103         ps3av_register_flip_ctl(ps3fb_flip_ctl, &ps3fb);
1104
1105         return 0;
1106
1107 err_unregister_framebuffer:
1108         unregister_framebuffer(info);
1109 err_fb_dealloc:
1110         fb_dealloc_cmap(&info->cmap);
1111 err_framebuffer_release:
1112         framebuffer_release(info);
1113 err_free_irq:
1114         free_irq(ps3fb.irq_no, dev);
1115         ps3_irq_plug_destroy(ps3fb.irq_no);
1116 err_iounmap_dinfo:
1117         iounmap((u8 __iomem *)ps3fb.dinfo);
1118 err_gpu_context_free:
1119         lv1_gpu_context_free(ps3fb.context_handle);
1120 err_gpu_memory_free:
1121         lv1_gpu_memory_free(ps3fb.memory_handle);
1122 err:
1123         return retval;
1124 }
1125
1126 static int ps3fb_shutdown(struct ps3_system_bus_device *dev)
1127 {
1128         int status;
1129         struct fb_info *info = dev->core.driver_data;
1130
1131         DPRINTK(" -> %s:%d\n", __func__, __LINE__);
1132
1133         ps3fb_flip_ctl(0, &ps3fb);      /* flip off */
1134         ps3fb.dinfo->irq.mask = 0;
1135
1136         if (info) {
1137                 unregister_framebuffer(info);
1138                 fb_dealloc_cmap(&info->cmap);
1139                 framebuffer_release(info);
1140         }
1141
1142         ps3av_register_flip_ctl(NULL, NULL);
1143         if (ps3fb.task) {
1144                 struct task_struct *task = ps3fb.task;
1145                 ps3fb.task = NULL;
1146                 kthread_stop(task);
1147         }
1148         if (ps3fb.irq_no) {
1149                 free_irq(ps3fb.irq_no, dev);
1150                 ps3_irq_plug_destroy(ps3fb.irq_no);
1151         }
1152         iounmap((u8 __iomem *)ps3fb.dinfo);
1153
1154         status = lv1_gpu_context_free(ps3fb.context_handle);
1155         if (status)
1156                 DPRINTK("lv1_gpu_context_free failed: %d\n", status);
1157
1158         status = lv1_gpu_memory_free(ps3fb.memory_handle);
1159         if (status)
1160                 DPRINTK("lv1_gpu_memory_free failed: %d\n", status);
1161
1162         ps3_close_hv_device(dev);
1163         DPRINTK(" <- %s:%d\n", __func__, __LINE__);
1164
1165         return 0;
1166 }
1167
1168 static struct ps3_system_bus_driver ps3fb_driver = {
1169         .match_id       = PS3_MATCH_ID_GRAPHICS,
1170         .core.name      = DEVICE_NAME,
1171         .core.owner     = THIS_MODULE,
1172         .probe          = ps3fb_probe,
1173         .remove         = ps3fb_shutdown,
1174         .shutdown       = ps3fb_shutdown,
1175 };
1176
1177 static int __init ps3fb_setup(void)
1178 {
1179         char *options;
1180
1181 #ifdef MODULE
1182         return 0;
1183 #endif
1184
1185         if (fb_get_options(DEVICE_NAME, &options))
1186                 return -ENXIO;
1187
1188         if (!options || !*options)
1189                 return 0;
1190
1191         while (1) {
1192                 char *this_opt = strsep(&options, ",");
1193
1194                 if (!this_opt)
1195                         break;
1196                 if (!*this_opt)
1197                         continue;
1198                 if (!strncmp(this_opt, "mode:", 5))
1199                         ps3fb_mode = simple_strtoul(this_opt + 5, NULL, 0);
1200                 else
1201                         mode_option = this_opt;
1202         }
1203         return 0;
1204 }
1205
1206 static int __init ps3fb_init(void)
1207 {
1208         if (!ps3fb_videomemory.address ||  ps3fb_setup())
1209                 return -ENXIO;
1210
1211         return ps3_system_bus_driver_register(&ps3fb_driver);
1212 }
1213
1214 static void __exit ps3fb_exit(void)
1215 {
1216         DPRINTK(" -> %s:%d\n", __func__, __LINE__);
1217         ps3_system_bus_driver_unregister(&ps3fb_driver);
1218         DPRINTK(" <- %s:%d\n", __func__, __LINE__);
1219 }
1220
1221 module_init(ps3fb_init);
1222 module_exit(ps3fb_exit);
1223
1224 MODULE_LICENSE("GPL");
1225 MODULE_DESCRIPTION("PS3 GPU Frame Buffer Driver");
1226 MODULE_AUTHOR("Sony Computer Entertainment Inc.");
1227 MODULE_ALIAS(PS3_MODULE_ALIAS_GRAPHICS);