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