git.oblomov.eu Git - linux-2.6/blob - 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/platform_device.h>
  31 #include <linux/console.h>
  32 #include <linux/ioctl.h>
  33 #include <linux/notifier.h>
  34 #include <linux/reboot.h>
  35
  36 #include <asm/uaccess.h>
  37 #include <linux/fb.h>
  38 #include <linux/init.h>
  39 #include <asm/time.h>
  40
  41 #include <asm/abs_addr.h>
  42 #include <asm/lv1call.h>
  43 #include <asm/ps3av.h>
  44 #include <asm/ps3fb.h>
  45 #include <asm/ps3.h>
  46
  47 #ifdef PS3FB_DEBUG
  48 #define DPRINTK(fmt, args...) printk("%s: " fmt, __FUNCTION__ , ##args)
  49 #else
  50 #define DPRINTK(fmt, args...)
  51 #endif
  52
  53 #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC    0x101
  54 #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP    0x102
  55 #define L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP        0x600
  56 #define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT         0x601
  57 #define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT_SYNC    0x602
  58
  59 #define L1GPU_FB_BLIT_WAIT_FOR_COMPLETION       (1ULL << 32)
  60
  61 #define L1GPU_DISPLAY_SYNC_HSYNC                1
  62 #define L1GPU_DISPLAY_SYNC_VSYNC                2
  63
  64 #define DDR_SIZE                                (0)     /* used no ddr */
  65 #define GPU_OFFSET                              (64 * 1024)
  66 #define GPU_IOIF                                (0x0d000000UL)
  67
  68 #define PS3FB_FULL_MODE_BIT                     0x80
  69
  70 #define GPU_INTR_STATUS_VSYNC_0                 0       /* vsync on head A */
  71 #define GPU_INTR_STATUS_VSYNC_1                 1       /* vsync on head B */
  72 #define GPU_INTR_STATUS_FLIP_0                  3       /* flip head A */
  73 #define GPU_INTR_STATUS_FLIP_1                  4       /* flip head B */
  74 #define GPU_INTR_STATUS_QUEUE_0                 5       /* queue head A */
  75 #define GPU_INTR_STATUS_QUEUE_1                 6       /* queue head B */
  76
  77 #define GPU_DRIVER_INFO_VERSION                 0x211
  78
  79 /* gpu internals */
  80 struct display_head {
  81         u64 be_time_stamp;
  82         u32 status;
  83         u32 offset;
  84         u32 res1;
  85         u32 res2;
  86         u32 field;
  87         u32 reserved1;
  88
  89         u64 res3;
  90         u32 raster;
  91
  92         u64 vblank_count;
  93         u32 field_vsync;
  94         u32 reserved2;
  95 };
  96
  97 struct gpu_irq {
  98         u32 irq_outlet;
  99         u32 status;
 100         u32 mask;
 101         u32 video_cause;
 102         u32 graph_cause;
 103         u32 user_cause;
 104
 105         u32 res1;
 106         u64 res2;
 107
 108         u32 reserved[4];
 109 };
 110
 111 struct gpu_driver_info {
 112         u32 version_driver;
 113         u32 version_gpu;
 114         u32 memory_size;
 115         u32 hardware_channel;
 116
 117         u32 nvcore_frequency;
 118         u32 memory_frequency;
 119
 120         u32 reserved[1063];
 121         struct display_head display_head[8];
 122         struct gpu_irq irq;
 123 };
 124
 125 struct ps3fb_priv {
 126         unsigned int irq_no;
 127         void *dev;
 128
 129         u64 context_handle, memory_handle;
 130         void *xdr_ea;
 131         struct gpu_driver_info *dinfo;
 132         struct semaphore sem;
 133         u32 res_index;
 134
 135         u64 vblank_count;       /* frame count */
 136         wait_queue_head_t wait_vsync;
 137
 138         u32 num_frames;         /* num of frame buffers */
 139         atomic_t ext_flip;      /* on/off flip with vsync */
 140         atomic_t f_count;       /* fb_open count */
 141         int is_blanked;
 142 };
 143 static struct ps3fb_priv ps3fb;
 144
 145 struct ps3fb_res_table {
 146         u32 xres;
 147         u32 yres;
 148         u32 xoff;
 149         u32 yoff;
 150         u32 type;
 151 };
 152 #define PS3FB_RES_FULL 1
 153 static const struct ps3fb_res_table ps3fb_res[] = {
 154         /* res_x,y   margin_x,y  full */
 155         {  720,  480,  72,  48 , 0},
 156         {  720,  576,  72,  58 , 0},
 157         { 1280,  720,  78,  38 , 0},
 158         { 1920, 1080, 116,  58 , 0},
 159         /* full mode */
 160         {  720,  480,   0,   0 , PS3FB_RES_FULL},
 161         {  720,  576,   0,   0 , PS3FB_RES_FULL},
 162         { 1280,  720,   0,   0 , PS3FB_RES_FULL},
 163         { 1920, 1080,   0,   0 , PS3FB_RES_FULL},
 164         /* vesa: normally full mode */
 165         { 1280,  768,   0,   0 , 0},
 166         { 1280, 1024,   0,   0 , 0},
 167         { 1920, 1200,   0,   0 , 0},
 168         {    0,    0,   0,   0 , 0} };
 169
 170 /* default resolution */
 171 #define GPU_RES_INDEX 0         /* 720 x 480 */
 172
 173 static const struct fb_videomode ps3fb_modedb[] = {
 174     /* 60 Hz broadcast modes (modes "1" to "5") */
 175     {
 176         /* 480i */
 177         "480i", 60, 576, 384, 74074, 130, 89, 78, 57, 63, 6,
 178         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 179     },    {
 180         /* 480p */
 181         "480p", 60, 576, 384, 37037, 130, 89, 78, 57, 63, 6,
 182         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 183     },    {
 184         /* 720p */
 185         "720p", 60, 1124, 644, 13481, 298, 148, 57, 44, 80, 5,
 186         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 187     },    {
 188         /* 1080i */
 189         "1080i", 60, 1688, 964, 13481, 264, 160, 94, 62, 88, 5,
 190         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 191     },    {
 192         /* 1080p */
 193         "1080p", 60, 1688, 964, 6741, 264, 160, 94, 62, 88, 5,
 194         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 195     },
 196
 197     /* 50 Hz broadcast modes (modes "6" to "10") */
 198     {
 199         /* 576i */
 200         "576i", 50, 576, 460, 74074, 142, 83, 97, 63, 63, 5,
 201         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 202     },    {
 203         /* 576p */
 204         "576p", 50, 576, 460, 37037, 142, 83, 97, 63, 63, 5,
 205         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 206     },    {
 207         /* 720p */
 208         "720p", 50, 1124, 644, 13468, 298, 478, 57, 44, 80, 5,
 209         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 210     },    {
 211         /* 1080 */
 212         "1080i", 50, 1688, 964, 13468, 264, 600, 94, 62, 88, 5,
 213         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 214     },    {
 215         /* 1080p */
 216         "1080p", 50, 1688, 964, 6734, 264, 600, 94, 62, 88, 5,
 217         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 218     },
 219
 220     /* VESA modes (modes "11" to "13") */
 221     {
 222         /* WXGA */
 223         "wxga", 60, 1280, 768, 12924, 160, 24, 29, 3, 136, 6,
 224         0, FB_VMODE_NONINTERLACED,
 225         FB_MODE_IS_VESA
 226     }, {
 227         /* SXGA */
 228         "sxga", 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3,
 229         FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED,
 230         FB_MODE_IS_VESA
 231     }, {
 232         /* WUXGA */
 233         "wuxga", 60, 1920, 1200, 6494, 80, 48, 26, 3, 32, 6,
 234         FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED,
 235         FB_MODE_IS_VESA
 236     },
 237
 238     /* 60 Hz broadcast modes (full resolution versions of modes "1" to "5") */
 239     {
 240         /* 480if */
 241         "480if", 60, 720, 480, 74074, 58, 17, 30, 9, 63, 6,
 242         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 243     }, {
 244         /* 480pf */
 245         "480pf", 60, 720, 480, 37037, 58, 17, 30, 9, 63, 6,
 246         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 247     }, {
 248         /* 720pf */
 249         "720pf", 60, 1280, 720, 13481, 220, 70, 19, 6, 80, 5,
 250         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 251     }, {
 252         /* 1080if */
 253         "1080if", 60, 1920, 1080, 13481, 148, 44, 36, 4, 88, 5,
 254         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 255     }, {
 256         /* 1080pf */
 257         "1080pf", 60, 1920, 1080, 6741, 148, 44, 36, 4, 88, 5,
 258         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 259     },
 260
 261     /* 50 Hz broadcast modes (full resolution versions of modes "6" to "10") */
 262     {
 263         /* 576if */
 264         "576if", 50, 720, 576, 74074, 70, 11, 39, 5, 63, 5,
 265         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 266     }, {
 267         /* 576pf */
 268         "576pf", 50, 720, 576, 37037, 70, 11, 39, 5, 63, 5,
 269         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 270     }, {
 271         /* 720pf */
 272         "720pf", 50, 1280, 720, 13468, 220, 400, 19, 6, 80, 5,
 273         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 274     }, {
 275         /* 1080if */
 276         "1080f", 50, 1920, 1080, 13468, 148, 484, 36, 4, 88, 5,
 277         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 278     }, {
 279         /* 1080pf */
 280         "1080pf", 50, 1920, 1080, 6734, 148, 484, 36, 4, 88, 5,
 281         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 282     }
 283 };
 284
 285
 286 #define HEAD_A
 287 #define HEAD_B
 288
 289 #define X_OFF(i)        (ps3fb_res[i].xoff)     /* left/right margin (pixel) */
 290 #define Y_OFF(i)        (ps3fb_res[i].yoff)     /* top/bottom margin (pixel) */
 291 #define WIDTH(i)        (ps3fb_res[i].xres)     /* width of FB */
 292 #define HEIGHT(i)       (ps3fb_res[i].yres)     /* height of FB */
 293 #define BPP     4               /* number of bytes per pixel */
 294 #define VP_OFF(i)       (WIDTH(i) * Y_OFF(i) * BPP + X_OFF(i) * BPP)
 295 #define FB_OFF(i)       (GPU_OFFSET - VP_OFF(i) % GPU_OFFSET)
 296
 297 static int ps3fb_mode = 0;
 298 module_param(ps3fb_mode, bool, 0);
 299
 300 static char *mode_option __initdata = NULL;
 301
 302
 303 static int ps3fb_get_res_table(u32 xres, u32 yres)
 304 {
 305         int full_mode;
 306         unsigned int i;
 307         u32 x, y, f;
 308
 309         full_mode = (ps3fb_mode & PS3FB_FULL_MODE_BIT) ? PS3FB_RES_FULL : 0;
 310         for (i = 0;; i++) {
 311                 x = ps3fb_res[i].xres;
 312                 y = ps3fb_res[i].yres;
 313                 f = ps3fb_res[i].type;
 314
 315                 if (!x) {
 316                         DPRINTK("ERROR: ps3fb_get_res_table()\n");
 317                         return -1;
 318                 }
 319
 320                 if (full_mode == PS3FB_RES_FULL && f != PS3FB_RES_FULL)
 321                         continue;
 322
 323                 if (x == xres && (yres == 0 || y == yres))
 324                         break;
 325
 326                 x = x - 2 * ps3fb_res[i].xoff;
 327                 y = y - 2 * ps3fb_res[i].yoff;
 328                 if (x == xres && (yres == 0 || y == yres))
 329                         break;
 330         }
 331         return i;
 332 }
 333
 334 static unsigned int ps3fb_find_mode(const struct fb_var_screeninfo *var,
 335                                     u32 *line_length)
 336 {
 337         unsigned int i, mode;
 338
 339         for (i = 0; i < ARRAY_SIZE(ps3fb_modedb); i++)
 340                 if (var->xres == ps3fb_modedb[i].xres &&
 341                     var->yres == ps3fb_modedb[i].yres &&
 342                     var->pixclock == ps3fb_modedb[i].pixclock &&
 343                     var->hsync_len == ps3fb_modedb[i].hsync_len &&
 344                     var->vsync_len == ps3fb_modedb[i].vsync_len &&
 345                     var->left_margin == ps3fb_modedb[i].left_margin &&
 346                     var->right_margin == ps3fb_modedb[i].right_margin &&
 347                     var->upper_margin == ps3fb_modedb[i].upper_margin &&
 348                     var->lower_margin == ps3fb_modedb[i].lower_margin &&
 349                     var->sync == ps3fb_modedb[i].sync &&
 350                     (var->vmode & FB_VMODE_MASK) == ps3fb_modedb[i].vmode) {
 351                         /* Cropped broadcast modes use the full line_length */
 352                         *line_length =
 353                             ps3fb_modedb[i < 10 ? i + 13 : i].xres * 4;
 354                         /* Full broadcast modes have the full mode bit set */
 355                         mode = i > 12 ? (i - 12) | PS3FB_FULL_MODE_BIT : i + 1;
 356
 357                         DPRINTK("ps3fb_find_mode: mode %u\n", mode);
 358                         return mode;
 359                 }
 360
 361         DPRINTK("ps3fb_find_mode: mode not found\n");
 362         return 0;
 363
 364 }
 365
 366 static const struct fb_videomode *ps3fb_default_mode(void)
 367 {
 368         u32 mode = ps3fb_mode & PS3AV_MODE_MASK;
 369         u32 flags;
 370
 371         if (mode < 1 || mode > 13)
 372                 return NULL;
 373
 374         flags = ps3fb_mode & ~PS3AV_MODE_MASK;
 375
 376         if (mode <= 10 && flags & PS3FB_FULL_MODE_BIT) {
 377                 /* Full broadcast mode */
 378                 return &ps3fb_modedb[mode + 12];
 379         }
 380
 381         return &ps3fb_modedb[mode - 1];
 382 }
 383
 384 static int ps3fb_sync(u32 frame)
 385 {
 386         int i, status;
 387         u32 xres, yres;
 388         u64 fb_ioif, offset;
 389
 390         i = ps3fb.res_index;
 391         xres = ps3fb_res[i].xres;
 392         yres = ps3fb_res[i].yres;
 393
 394         if (frame > ps3fb.num_frames - 1) {
 395                 printk(KERN_WARNING "%s: invalid frame number (%u)\n",
 396                        __FUNCTION__, frame);
 397                 return -EINVAL;
 398         }
 399         offset = xres * yres * BPP * frame;
 400
 401         fb_ioif = GPU_IOIF + FB_OFF(i) + offset;
 402         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 403                                            L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT,
 404                                            offset, fb_ioif,
 405                                            L1GPU_FB_BLIT_WAIT_FOR_COMPLETION |
 406                                            (xres << 16) | yres,
 407                                            xres * BPP); /* line_length */
 408         if (status)
 409                 printk(KERN_ERR "%s: lv1_gpu_context_attribute FB_BLIT failed: %d\n",
 410                        __FUNCTION__, status);
 411 #ifdef HEAD_A
 412         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 413                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
 414                                            0, offset, 0, 0);
 415         if (status)
 416                 printk(KERN_ERR "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
 417                        __FUNCTION__, status);
 418 #endif
 419 #ifdef HEAD_B
 420         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 421                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
 422                                            1, offset, 0, 0);
 423         if (status)
 424                 printk(KERN_ERR "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
 425                        __FUNCTION__, status);
 426 #endif
 427         return 0;
 428 }
 429
 430
 431 static int ps3fb_open(struct fb_info *info, int user)
 432 {
 433         atomic_inc(&ps3fb.f_count);
 434         return 0;
 435 }
 436
 437 static int ps3fb_release(struct fb_info *info, int user)
 438 {
 439         if (atomic_dec_and_test(&ps3fb.f_count)) {
 440                 if (atomic_read(&ps3fb.ext_flip)) {
 441                         atomic_set(&ps3fb.ext_flip, 0);
 442                         ps3fb_sync(0);  /* single buffer */
 443                 }
 444         }
 445         return 0;
 446 }
 447
 448     /*
 449      *  Setting the video mode has been split into two parts.
 450      *  First part, xxxfb_check_var, must not write anything
 451      *  to hardware, it should only verify and adjust var.
 452      *  This means it doesn't alter par but it does use hardware
 453      *  data from it to check this var.
 454      */
 455
 456 static int ps3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 457 {
 458         u32 line_length;
 459         int mode;
 460         int i;
 461
 462         DPRINTK("var->xres:%u info->var.xres:%u\n", var->xres, info->var.xres);
 463         DPRINTK("var->yres:%u info->var.yres:%u\n", var->yres, info->var.yres);
 464
 465         /* FIXME For now we do exact matches only */
 466         mode = ps3fb_find_mode(var, &line_length);
 467         if (!mode)
 468                 return -EINVAL;
 469
 470         /*
 471          *  FB_VMODE_CONUPDATE and FB_VMODE_SMOOTH_XPAN are equal!
 472          *  as FB_VMODE_SMOOTH_XPAN is only used internally
 473          */
 474
 475         if (var->vmode & FB_VMODE_CONUPDATE) {
 476                 var->vmode |= FB_VMODE_YWRAP;
 477                 var->xoffset = info->var.xoffset;
 478                 var->yoffset = info->var.yoffset;
 479         }
 480
 481         /* Virtual screen and panning are not supported */
 482         if (var->xres_virtual > var->xres || var->yres_virtual > var->yres ||
 483             var->xoffset || var->yoffset) {
 484                 DPRINTK("Virtual screen and panning are not supported\n");
 485                 return -EINVAL;
 486         }
 487
 488         var->xres_virtual = var->xres;
 489         var->yres_virtual = var->yres;
 490
 491         /* We support ARGB8888 only */
 492         if (var->bits_per_pixel > 32 || var->grayscale ||
 493             var->red.offset > 16 || var->green.offset > 8 ||
 494             var->blue.offset > 0 || var->transp.offset > 24 ||
 495             var->red.length > 8 || var->green.length > 8 ||
 496             var->blue.length > 8 || var->transp.length > 8 ||
 497             var->red.msb_right || var->green.msb_right ||
 498             var->blue.msb_right || var->transp.msb_right || var->nonstd) {
 499                 DPRINTK("We support ARGB8888 only\n");
 500                 return -EINVAL;
 501         }
 502
 503         var->bits_per_pixel = 32;
 504         var->red.offset = 16;
 505         var->green.offset = 8;
 506         var->blue.offset = 0;
 507         var->transp.offset = 24;
 508         var->red.length = 8;
 509         var->green.length = 8;
 510         var->blue.length = 8;
 511         var->transp.length = 8;
 512         var->red.msb_right = 0;
 513         var->green.msb_right = 0;
 514         var->blue.msb_right = 0;
 515         var->transp.msb_right = 0;
 516
 517         /* Rotation is not supported */
 518         if (var->rotate) {
 519                 DPRINTK("Rotation is not supported\n");
 520                 return -EINVAL;
 521         }
 522
 523         /* Memory limit */
 524         i = ps3fb_get_res_table(var->xres, var->yres);
 525         if (ps3fb_res[i].xres*ps3fb_res[i].yres*BPP > ps3fb_videomemory.size) {
 526                 DPRINTK("Not enough memory\n");
 527                 return -ENOMEM;
 528         }
 529
 530         var->height = -1;
 531         var->width = -1;
 532
 533         return 0;
 534 }
 535
 536     /*
 537      * This routine actually sets the video mode.
 538      */
 539
 540 static int ps3fb_set_par(struct fb_info *info)
 541 {
 542         unsigned int mode;
 543         int i;
 544         unsigned long offset;
 545         static int first = 1;
 546
 547         DPRINTK("xres:%d xv:%d yres:%d yv:%d clock:%d\n",
 548                 info->var.xres, info->var.xres_virtual,
 549                 info->var.yres, info->var.yres_virtual, info->var.pixclock);
 550         i = ps3fb_get_res_table(info->var.xres, info->var.yres);
 551         ps3fb.res_index = i;
 552
 553         mode = ps3fb_find_mode(&info->var, &info->fix.line_length);
 554         if (!mode)
 555                 return -EINVAL;
 556
 557         offset = FB_OFF(i) + VP_OFF(i);
 558         info->fix.smem_len = ps3fb_videomemory.size - offset;
 559         info->screen_base = (char __iomem *)ps3fb.xdr_ea + offset;
 560         memset(ps3fb.xdr_ea, 0, ps3fb_videomemory.size);
 561
 562         ps3fb.num_frames = ps3fb_videomemory.size/
 563                            (ps3fb_res[i].xres*ps3fb_res[i].yres*BPP);
 564
 565         /* Keep the special bits we cannot set using fb_var_screeninfo */
 566         ps3fb_mode = (ps3fb_mode & ~PS3AV_MODE_MASK) | mode;
 567
 568         if (ps3av_set_video_mode(ps3fb_mode, first))
 569                 return -EINVAL;
 570
 571         first = 0;
 572         return 0;
 573 }
 574
 575     /*
 576      *  Set a single color register. The values supplied are already
 577      *  rounded down to the hardware's capabilities (according to the
 578      *  entries in the var structure). Return != 0 for invalid regno.
 579      */
 580
 581 static int ps3fb_setcolreg(unsigned int regno, unsigned int red,
 582                            unsigned int green, unsigned int blue,
 583                            unsigned int transp, struct fb_info *info)
 584 {
 585         if (regno >= 16)
 586                 return 1;
 587
 588         red >>= 8;
 589         green >>= 8;
 590         blue >>= 8;
 591         transp >>= 8;
 592
 593         ((u32 *)info->pseudo_palette)[regno] = transp << 24 | red << 16 |
 594                                                green << 8 | blue;
 595         return 0;
 596 }
 597
 598     /*
 599      *  As we have a virtual frame buffer, we need our own mmap function
 600      */
 601
 602 static int ps3fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
 603 {
 604         unsigned long size, offset;
 605         int i;
 606
 607         i = ps3fb_get_res_table(info->var.xres, info->var.yres);
 608         if (i == -1)
 609                 return -EINVAL;
 610
 611         size = vma->vm_end - vma->vm_start;
 612         offset = vma->vm_pgoff << PAGE_SHIFT;
 613         if (offset + size > info->fix.smem_len)
 614                 return -EINVAL;
 615
 616         offset += info->fix.smem_start + FB_OFF(i) + VP_OFF(i);
 617         if (remap_pfn_range(vma, vma->vm_start, offset >> PAGE_SHIFT,
 618                             size, vma->vm_page_prot))
 619                 return -EAGAIN;
 620
 621         printk(KERN_DEBUG "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n", offset,
 622                vma->vm_start);
 623         return 0;
 624 }
 625
 626     /*
 627      * Blank the display
 628      */
 629
 630 static int ps3fb_blank(int blank, struct fb_info *info)
 631 {
 632         int retval;
 633
 634         DPRINTK("%s: blank:%d\n", __FUNCTION__, blank);
 635         switch (blank) {
 636         case FB_BLANK_POWERDOWN:
 637         case FB_BLANK_HSYNC_SUSPEND:
 638         case FB_BLANK_VSYNC_SUSPEND:
 639         case FB_BLANK_NORMAL:
 640                 retval = ps3av_video_mute(1);   /* mute on */
 641                 if (!retval)
 642                         ps3fb.is_blanked = 1;
 643                 break;
 644
 645         default:                /* unblank */
 646                 retval = ps3av_video_mute(0);   /* mute off */
 647                 if (!retval)
 648                         ps3fb.is_blanked = 0;
 649                 break;
 650         }
 651         return retval;
 652 }
 653
 654 static int ps3fb_get_vblank(struct fb_vblank *vblank)
 655 {
 656         memset(vblank, 0, sizeof(&vblank));
 657         vblank->flags = FB_VBLANK_HAVE_VSYNC;
 658         return 0;
 659 }
 660
 661 int ps3fb_wait_for_vsync(u32 crtc)
 662 {
 663         int ret;
 664         u64 count;
 665
 666         count = ps3fb.vblank_count;
 667         ret = wait_event_interruptible_timeout(ps3fb.wait_vsync,
 668                                                count != ps3fb.vblank_count,
 669                                                HZ / 10);
 670         if (!ret)
 671                 return -ETIMEDOUT;
 672
 673         return 0;
 674 }
 675
 676 EXPORT_SYMBOL_GPL(ps3fb_wait_for_vsync);
 677
 678 void ps3fb_flip_ctl(int on)
 679 {
 680         if (on) {
 681                 if (atomic_read(&ps3fb.ext_flip) > 0) {
 682                         atomic_dec(&ps3fb.ext_flip);
 683                 }
 684         } else {
 685                 atomic_inc(&ps3fb.ext_flip);
 686         }
 687 }
 688
 689 EXPORT_SYMBOL_GPL(ps3fb_flip_ctl);
 690
 691     /*
 692      * ioctl
 693      */
 694
 695 static int ps3fb_ioctl(struct fb_info *info, unsigned int cmd,
 696                        unsigned long arg)
 697 {
 698         void __user *argp = (void __user *)arg;
 699         u32 val, old_mode;
 700         int retval = -EFAULT;
 701
 702         switch (cmd) {
 703         case FBIOGET_VBLANK:
 704                 {
 705                         struct fb_vblank vblank;
 706                         DPRINTK("FBIOGET_VBLANK:\n");
 707                         retval = ps3fb_get_vblank(&vblank);
 708                         if (retval)
 709                                 break;
 710
 711                         if (copy_to_user(argp, &vblank, sizeof(vblank)))
 712                                 retval = -EFAULT;
 713                         break;
 714                 }
 715
 716         case FBIO_WAITFORVSYNC:
 717                 {
 718                         u32 crt;
 719                         DPRINTK("FBIO_WAITFORVSYNC:\n");
 720                         if (get_user(crt, (u32 __user *) arg))
 721                                 break;
 722
 723                         retval = ps3fb_wait_for_vsync(crt);
 724                         break;
 725                 }
 726
 727         case PS3FB_IOCTL_SETMODE:
 728                 {
 729                         const struct fb_videomode *mode;
 730                         struct fb_var_screeninfo var;
 731
 732                         if (copy_from_user(&val, argp, sizeof(val)))
 733                                 break;
 734
 735                         DPRINTK("PS3FB_IOCTL_SETMODE:%x\n", val);
 736                         retval = -EINVAL;
 737                         old_mode = ps3fb_mode;
 738                         ps3fb_mode = val;
 739                         mode = ps3fb_default_mode();
 740                         if (mode) {
 741                                 var = info->var;
 742                                 fb_videomode_to_var(&var, mode);
 743                                 acquire_console_sem();
 744                                 info->flags |= FBINFO_MISC_USEREVENT;
 745                                 /* Force, in case only special bits changed */
 746                                 var.activate |= FB_ACTIVATE_FORCE;
 747                                 retval = fb_set_var(info, &var);
 748                                 info->flags &= ~FBINFO_MISC_USEREVENT;
 749                                 release_console_sem();
 750                         }
 751                         if (retval)
 752                                 ps3fb_mode = old_mode;
 753                         break;
 754                 }
 755
 756         case PS3FB_IOCTL_GETMODE:
 757                 val = ps3av_get_mode();
 758                 DPRINTK("PS3FB_IOCTL_GETMODE:%x\n", val);
 759                 if (!copy_to_user(argp, &val, sizeof(val)))
 760                         retval = 0;
 761                 break;
 762
 763         case PS3FB_IOCTL_SCREENINFO:
 764                 {
 765                         struct ps3fb_ioctl_res res;
 766                         int i = ps3fb.res_index;
 767                         DPRINTK("PS3FB_IOCTL_SCREENINFO:\n");
 768                         res.xres = ps3fb_res[i].xres;
 769                         res.yres = ps3fb_res[i].yres;
 770                         res.xoff = ps3fb_res[i].xoff;
 771                         res.yoff = ps3fb_res[i].yoff;
 772                         res.num_frames = ps3fb.num_frames;
 773                         if (!copy_to_user(argp, &res, sizeof(res)))
 774                                 retval = 0;
 775                         break;
 776                 }
 777
 778         case PS3FB_IOCTL_ON:
 779                 DPRINTK("PS3FB_IOCTL_ON:\n");
 780                 atomic_inc(&ps3fb.ext_flip);
 781                 retval = 0;
 782                 break;
 783
 784         case PS3FB_IOCTL_OFF:
 785                 DPRINTK("PS3FB_IOCTL_OFF:\n");
 786                 if (atomic_read(&ps3fb.ext_flip) > 0)
 787                         atomic_dec(&ps3fb.ext_flip);
 788                 retval = 0;
 789                 break;
 790
 791         case PS3FB_IOCTL_FSEL:
 792                 if (copy_from_user(&val, argp, sizeof(val)))
 793                         break;
 794
 795                 DPRINTK("PS3FB_IOCTL_FSEL:%d\n", val);
 796                 retval = ps3fb_sync(val);
 797                 break;
 798
 799         default:
 800                 retval = -ENOIOCTLCMD;
 801                 break;
 802         }
 803         return retval;
 804 }
 805
 806 static int ps3fbd(void *arg)
 807 {
 808         daemonize("ps3fbd");
 809         for (;;) {
 810                 down(&ps3fb.sem);
 811                 if (atomic_read(&ps3fb.ext_flip) == 0)
 812                         ps3fb_sync(0);  /* single buffer */
 813         }
 814         return 0;
 815 }
 816
 817 static irqreturn_t ps3fb_vsync_interrupt(int irq, void *ptr)
 818 {
 819         u64 v1;
 820         int status;
 821         struct display_head *head = &ps3fb.dinfo->display_head[1];
 822
 823         status = lv1_gpu_context_intr(ps3fb.context_handle, &v1);
 824         if (status) {
 825                 printk(KERN_ERR "%s: lv1_gpu_context_intr failed: %d\n",
 826                        __FUNCTION__, status);
 827                 return IRQ_NONE;
 828         }
 829
 830         if (v1 & (1 << GPU_INTR_STATUS_VSYNC_1)) {
 831                 /* VSYNC */
 832                 ps3fb.vblank_count = head->vblank_count;
 833                 if (!ps3fb.is_blanked)
 834                         up(&ps3fb.sem);
 835                 wake_up_interruptible(&ps3fb.wait_vsync);
 836         }
 837
 838         return IRQ_HANDLED;
 839 }
 840
 841 #ifndef MODULE
 842 static int __init ps3fb_setup(char *options)
 843 {
 844         char *this_opt;
 845         int mode = 0;
 846
 847         if (!options || !*options)
 848                 return 0;       /* no options */
 849
 850         while ((this_opt = strsep(&options, ",")) != NULL) {
 851                 if (!*this_opt)
 852                         continue;
 853                 if (!strncmp(this_opt, "mode:", 5))
 854                         mode = simple_strtoul(this_opt + 5, NULL, 0);
 855                 else
 856                         mode_option = this_opt;
 857         }
 858         return mode;
 859 }
 860 #endif  /* MODULE */
 861
 862     /*
 863      *  Initialisation
 864      */
 865
 866 static void ps3fb_platform_release(struct device *device)
 867 {
 868         /* This is called when the reference count goes to zero. */
 869 }
 870
 871 static int ps3fb_vsync_settings(struct gpu_driver_info *dinfo, void *dev)
 872 {
 873         int error;
 874
 875         DPRINTK("version_driver:%x\n", dinfo->version_driver);
 876         DPRINTK("irq outlet:%x\n", dinfo->irq.irq_outlet);
 877         DPRINTK("version_gpu:%x memory_size:%x ch:%x core_freq:%d mem_freq:%d\n",
 878                 dinfo->version_gpu, dinfo->memory_size, dinfo->hardware_channel,
 879                 dinfo->nvcore_frequency/1000000, dinfo->memory_frequency/1000000);
 880
 881         if (dinfo->version_driver != GPU_DRIVER_INFO_VERSION) {
 882                 printk(KERN_ERR "%s: version_driver err:%x\n", __FUNCTION__,
 883                        dinfo->version_driver);
 884                 return -EINVAL;
 885         }
 886
 887         ps3fb.dev = dev;
 888         error = ps3_alloc_irq(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet,
 889                               &ps3fb.irq_no);
 890         if (error) {
 891                 printk(KERN_ERR "%s: ps3_alloc_irq failed %d\n", __FUNCTION__,
 892                        error);
 893                 return error;
 894         }
 895
 896         error = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt, IRQF_DISABLED,
 897                             "ps3fb vsync", ps3fb.dev);
 898         if (error) {
 899                 printk(KERN_ERR "%s: request_irq failed %d\n", __FUNCTION__,
 900                        error);
 901                 ps3_free_irq(ps3fb.irq_no);
 902                 return error;
 903         }
 904
 905         dinfo->irq.mask = (1 << GPU_INTR_STATUS_VSYNC_1) |
 906                           (1 << GPU_INTR_STATUS_FLIP_1);
 907         return 0;
 908 }
 909
 910 static int ps3fb_xdr_settings(u64 xdr_lpar)
 911 {
 912         int status;
 913
 914         status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF,
 915                                        xdr_lpar, ps3fb_videomemory.size, 0);
 916         if (status) {
 917                 printk(KERN_ERR "%s: lv1_gpu_context_iomap failed: %d\n",
 918                        __FUNCTION__, status);
 919                 return -ENXIO;
 920         }
 921         DPRINTK("video:%p xdr_ea:%p ioif:%lx lpar:%lx phys:%lx size:%lx\n",
 922                 ps3fb_videomemory.address, ps3fb.xdr_ea, GPU_IOIF, xdr_lpar,
 923                 virt_to_abs(ps3fb.xdr_ea), ps3fb_videomemory.size);
 924
 925         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 926                                            L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP,
 927                                            xdr_lpar, ps3fb_videomemory.size,
 928                                            GPU_IOIF, 0);
 929         if (status) {
 930                 printk(KERN_ERR "%s: lv1_gpu_context_attribute FB_SETUP failed: %d\n",
 931                        __FUNCTION__, status);
 932                 return -ENXIO;
 933         }
 934         return 0;
 935 }
 936
 937 static struct fb_ops ps3fb_ops = {
 938         .fb_open        = ps3fb_open,
 939         .fb_release     = ps3fb_release,
 940         .fb_check_var   = ps3fb_check_var,
 941         .fb_set_par     = ps3fb_set_par,
 942         .fb_setcolreg   = ps3fb_setcolreg,
 943         .fb_fillrect    = cfb_fillrect,
 944         .fb_copyarea    = cfb_copyarea,
 945         .fb_imageblit   = cfb_imageblit,
 946         .fb_mmap        = ps3fb_mmap,
 947         .fb_blank       = ps3fb_blank,
 948         .fb_ioctl       = ps3fb_ioctl,
 949         .fb_compat_ioctl = ps3fb_ioctl
 950 };
 951
 952 static struct fb_fix_screeninfo ps3fb_fix __initdata = {
 953         .id =           "PS3 FB",
 954         .type =         FB_TYPE_PACKED_PIXELS,
 955         .visual =       FB_VISUAL_TRUECOLOR,
 956         .accel =        FB_ACCEL_NONE,
 957 };
 958
 959 static int __init ps3fb_probe(struct platform_device *dev)
 960 {
 961         struct fb_info *info;
 962         int retval = -ENOMEM;
 963         u64 ddr_lpar = 0;
 964         u64 lpar_dma_control = 0;
 965         u64 lpar_driver_info = 0;
 966         u64 lpar_reports = 0;
 967         u64 lpar_reports_size = 0;
 968         u64 xdr_lpar;
 969         int status;
 970         unsigned long offset;
 971
 972         /* get gpu context handle */
 973         status = lv1_gpu_memory_allocate(DDR_SIZE, 0, 0, 0, 0,
 974                                          &ps3fb.memory_handle, &ddr_lpar);
 975         if (status) {
 976                 printk(KERN_ERR "%s: lv1_gpu_memory_allocate failed: %d\n",
 977                        __FUNCTION__, status);
 978                 goto err;
 979         }
 980         DPRINTK("ddr:lpar:0x%lx\n", ddr_lpar);
 981
 982         status = lv1_gpu_context_allocate(ps3fb.memory_handle, 0,
 983                                           &ps3fb.context_handle,
 984                                           &lpar_dma_control, &lpar_driver_info,
 985                                           &lpar_reports, &lpar_reports_size);
 986         if (status) {
 987                 printk(KERN_ERR "%s: lv1_gpu_context_attribute failed: %d\n",
 988                        __FUNCTION__, status);
 989                 goto err_gpu_memory_free;
 990         }
 991
 992         /* vsync interrupt */
 993         ps3fb.dinfo = ioremap(lpar_driver_info, 128 * 1024);
 994         if (!ps3fb.dinfo) {
 995                 printk(KERN_ERR "%s: ioremap failed\n", __FUNCTION__);
 996                 goto err_gpu_context_free;
 997         }
 998
 999         retval = ps3fb_vsync_settings(ps3fb.dinfo, dev);
1000         if (retval)
1001                 goto err_iounmap_dinfo;
1002
1003         /* xdr frame buffer */
1004         ps3fb.xdr_ea = ps3fb_videomemory.address;
1005         xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb.xdr_ea));
1006         retval = ps3fb_xdr_settings(xdr_lpar);
1007         if (retval)
1008                 goto err_free_irq;
1009
1010         /*
1011          * ps3fb must clear memory to prevent kernel info
1012          * leakage into userspace
1013          */
1014         memset(ps3fb.xdr_ea, 0, ps3fb_videomemory.size);
1015         info = framebuffer_alloc(sizeof(u32) * 16, &dev->dev);
1016         if (!info)
1017                 goto err_free_irq;
1018
1019         offset = FB_OFF(ps3fb.res_index) + VP_OFF(ps3fb.res_index);
1020         info->screen_base = (char __iomem *)ps3fb.xdr_ea + offset;
1021         info->fbops = &ps3fb_ops;
1022
1023         info->fix = ps3fb_fix;
1024         info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea);
1025         info->fix.smem_len = ps3fb_videomemory.size - offset;
1026         info->pseudo_palette = info->par;
1027         info->par = NULL;
1028         info->flags = FBINFO_FLAG_DEFAULT;
1029
1030         retval = fb_alloc_cmap(&info->cmap, 256, 0);
1031         if (retval < 0)
1032                 goto err_framebuffer_release;
1033
1034         if (!fb_find_mode(&info->var, info, mode_option, ps3fb_modedb,
1035                           ARRAY_SIZE(ps3fb_modedb), ps3fb_default_mode(), 32)) {
1036                 retval = -EINVAL;
1037                 goto err_fb_dealloc;
1038         }
1039
1040         fb_videomode_to_modelist(ps3fb_modedb, ARRAY_SIZE(ps3fb_modedb),
1041                                  &info->modelist);
1042
1043         retval = register_framebuffer(info);
1044         if (retval < 0)
1045                 goto err_fb_dealloc;
1046
1047         platform_set_drvdata(dev, info);
1048
1049         printk(KERN_INFO
1050                "fb%d: PS3 frame buffer device, using %ld KiB of video memory\n",
1051                info->node, ps3fb_videomemory.size >> 10);
1052
1053         kernel_thread(ps3fbd, info, CLONE_KERNEL);
1054         return 0;
1055
1056 err_fb_dealloc:
1057         fb_dealloc_cmap(&info->cmap);
1058 err_framebuffer_release:
1059         framebuffer_release(info);
1060 err_free_irq:
1061         free_irq(ps3fb.irq_no, ps3fb.dev);
1062         ps3_free_irq(ps3fb.irq_no);
1063 err_iounmap_dinfo:
1064         iounmap((u8 __iomem *)ps3fb.dinfo);
1065 err_gpu_context_free:
1066         lv1_gpu_context_free(ps3fb.context_handle);
1067 err_gpu_memory_free:
1068         lv1_gpu_memory_free(ps3fb.memory_handle);
1069 err:
1070         return retval;
1071 }
1072
1073 static void ps3fb_shutdown(struct platform_device *dev)
1074 {
1075         ps3fb_flip_ctl(0);      /* flip off */
1076         ps3fb.dinfo->irq.mask = 0;
1077         free_irq(ps3fb.irq_no, ps3fb.dev);
1078         ps3_free_irq(ps3fb.irq_no);
1079         iounmap((u8 __iomem *)ps3fb.dinfo);
1080 }
1081
1082 void ps3fb_cleanup(void)
1083 {
1084         int status;
1085
1086         if (ps3fb.irq_no) {
1087                 free_irq(ps3fb.irq_no, ps3fb.dev);
1088                 ps3_free_irq(ps3fb.irq_no);
1089         }
1090         iounmap((u8 __iomem *)ps3fb.dinfo);
1091
1092         status = lv1_gpu_context_free(ps3fb.context_handle);
1093         if (status)
1094                 DPRINTK("lv1_gpu_context_free failed: %d\n", status);
1095
1096         status = lv1_gpu_memory_free(ps3fb.memory_handle);
1097         if (status)
1098                 DPRINTK("lv1_gpu_memory_free failed: %d\n", status);
1099
1100         ps3av_dev_close();
1101 }
1102
1103 EXPORT_SYMBOL_GPL(ps3fb_cleanup);
1104
1105 static int ps3fb_remove(struct platform_device *dev)
1106 {
1107         struct fb_info *info = platform_get_drvdata(dev);
1108
1109         if (info) {
1110                 unregister_framebuffer(info);
1111                 fb_dealloc_cmap(&info->cmap);
1112                 framebuffer_release(info);
1113         }
1114         ps3fb_cleanup();
1115         return 0;
1116 }
1117
1118 static struct platform_driver ps3fb_driver = {
1119         .probe  = ps3fb_probe,
1120         .remove = ps3fb_remove,
1121         .shutdown = ps3fb_shutdown,
1122         .driver = { .name = "ps3fb" }
1123 };
1124
1125 static struct platform_device ps3fb_device = {
1126         .name   = "ps3fb",
1127         .id     = 0,
1128         .dev    = { .release = ps3fb_platform_release }
1129 };
1130
1131 int ps3fb_set_sync(void)
1132 {
1133         int status;
1134
1135 #ifdef HEAD_A
1136         status = lv1_gpu_context_attribute(0x0,
1137                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
1138                                            0, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
1139         if (status) {
1140                 printk(KERN_ERR "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: %d\n",
1141                        __FUNCTION__, status);
1142                 return -1;
1143         }
1144 #endif
1145 #ifdef HEAD_B
1146         status = lv1_gpu_context_attribute(0x0,
1147                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
1148                                            1, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
1149
1150         if (status) {
1151                 printk(KERN_ERR "%s: lv1_gpu_context_attribute DISPLAY_MODE failed: %d\n",
1152                        __FUNCTION__, status);
1153                 return -1;
1154         }
1155 #endif
1156         return 0;
1157 }
1158
1159 EXPORT_SYMBOL_GPL(ps3fb_set_sync);
1160
1161 static int __init ps3fb_init(void)
1162 {
1163         int error;
1164 #ifndef MODULE
1165         int mode;
1166         char *option = NULL;
1167
1168         if (fb_get_options("ps3fb", &option))
1169                 goto err;
1170 #endif
1171
1172         if (!ps3fb_videomemory.address)
1173                 goto err;
1174
1175         error = ps3av_dev_open();
1176         if (error) {
1177                 printk(KERN_ERR "%s: ps3av_dev_open failed\n", __FUNCTION__);
1178                 goto err;
1179         }
1180
1181         ps3fb_mode = ps3av_get_mode();
1182         DPRINTK("ps3av_mode:%d\n", ps3fb_mode);
1183 #ifndef MODULE
1184         mode = ps3fb_setup(option);     /* check boot option */
1185         if (mode)
1186                 ps3fb_mode = mode;
1187 #endif
1188         if (ps3fb_mode > 0) {
1189                 u32 xres, yres;
1190                 ps3av_video_mode2res(ps3fb_mode, &xres, &yres);
1191                 ps3fb.res_index = ps3fb_get_res_table(xres, yres);
1192                 DPRINTK("res_index:%d\n", ps3fb.res_index);
1193         } else
1194                 ps3fb.res_index = GPU_RES_INDEX;
1195
1196         atomic_set(&ps3fb.f_count, -1); /* fbcon opens ps3fb */
1197         atomic_set(&ps3fb.ext_flip, 0); /* for flip with vsync */
1198         init_MUTEX(&ps3fb.sem);
1199         init_waitqueue_head(&ps3fb.wait_vsync);
1200         ps3fb.num_frames = 1;
1201
1202         error = platform_driver_register(&ps3fb_driver);
1203         if (!error) {
1204                 error = platform_device_register(&ps3fb_device);
1205                 if (error)
1206                         platform_driver_unregister(&ps3fb_driver);
1207         }
1208
1209         ps3fb_set_sync();
1210
1211         return error;
1212
1213 err:
1214         return -ENXIO;
1215 }
1216
1217 module_init(ps3fb_init);
1218
1219 #ifdef MODULE
1220 static void __exit ps3fb_exit(void)
1221 {
1222         platform_device_unregister(&ps3fb_device);
1223         platform_driver_unregister(&ps3fb_driver);
1224 }
1225
1226 module_exit(ps3fb_exit);
1227
1228 MODULE_LICENSE("GPL");
1229 #endif                          /* MODULE */