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 GPU_CMD_BUF_SIZE                        (2 * 1024 * 1024)
  55 #define GPU_FB_START                            (64 * 1024)
  56 #define GPU_IOIF                                (0x0d000000UL)
  57 #define GPU_ALIGN_UP(x)                         _ALIGN_UP((x), 64)
  58 #define GPU_MAX_LINE_LENGTH                     (65536 - 64)
  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         size_t xdr_size;
 121         struct gpu_driver_info *dinfo;
 122
 123         u64 vblank_count;       /* frame count */
 124         wait_queue_head_t wait_vsync;
 125
 126         atomic_t ext_flip;      /* on/off flip with vsync */
 127         atomic_t f_count;       /* fb_open count */
 128         int is_blanked;
 129         int is_kicked;
 130         struct task_struct *task;
 131 };
 132 static struct ps3fb_priv ps3fb;
 133
 134 struct ps3fb_par {
 135         u32 pseudo_palette[16];
 136         int mode_id, new_mode_id;
 137         unsigned int num_frames;        /* num of frame buffers */
 138         unsigned int width;
 139         unsigned int height;
 140         unsigned int ddr_line_length;
 141         unsigned int ddr_frame_size;
 142         unsigned int xdr_frame_size;
 143         unsigned int full_offset;       /* start of fullscreen DDR fb */
 144         unsigned int fb_offset;         /* start of actual DDR fb */
 145         unsigned int pan_offset;
 146 };
 147
 148
 149 static const struct fb_videomode ps3fb_modedb[] = {
 150     /* 60 Hz broadcast modes (modes "1" to "5") */
 151     {
 152         /* 480i */
 153         "480i", 60, 576, 384, 74074, 130, 89, 78, 57, 63, 6,
 154         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 155     },    {
 156         /* 480p */
 157         "480p", 60, 576, 384, 37037, 130, 89, 78, 57, 63, 6,
 158         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 159     },    {
 160         /* 720p */
 161         "720p", 60, 1124, 644, 13481, 298, 148, 57, 44, 80, 5,
 162         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 163     },    {
 164         /* 1080i */
 165         "1080i", 60, 1688, 964, 13481, 264, 160, 94, 62, 88, 5,
 166         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 167     },    {
 168         /* 1080p */
 169         "1080p", 60, 1688, 964, 6741, 264, 160, 94, 62, 88, 5,
 170         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 171     },
 172
 173     /* 50 Hz broadcast modes (modes "6" to "10") */
 174     {
 175         /* 576i */
 176         "576i", 50, 576, 460, 74074, 142, 83, 97, 63, 63, 5,
 177         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 178     },    {
 179         /* 576p */
 180         "576p", 50, 576, 460, 37037, 142, 83, 97, 63, 63, 5,
 181         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 182     },    {
 183         /* 720p */
 184         "720p", 50, 1124, 644, 13468, 298, 478, 57, 44, 80, 5,
 185         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 186     },    {
 187         /* 1080 */
 188         "1080i", 50, 1688, 964, 13468, 264, 600, 94, 62, 88, 5,
 189         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 190     },    {
 191         /* 1080p */
 192         "1080p", 50, 1688, 964, 6734, 264, 600, 94, 62, 88, 5,
 193         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 194     },
 195
 196     /* VESA modes (modes "11" to "13") */
 197     {
 198         /* WXGA */
 199         "wxga", 60, 1280, 768, 12924, 160, 24, 29, 3, 136, 6,
 200         0, FB_VMODE_NONINTERLACED,
 201         FB_MODE_IS_VESA
 202     }, {
 203         /* SXGA */
 204         "sxga", 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3,
 205         FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED,
 206         FB_MODE_IS_VESA
 207     }, {
 208         /* WUXGA */
 209         "wuxga", 60, 1920, 1200, 6494, 80, 48, 26, 3, 32, 6,
 210         FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED,
 211         FB_MODE_IS_VESA
 212     },
 213
 214     /* 60 Hz broadcast modes (full resolution versions of modes "1" to "5") */
 215     {
 216         /* 480if */
 217         "480if", 60, 720, 480, 74074, 58, 17, 30, 9, 63, 6,
 218         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 219     }, {
 220         /* 480pf */
 221         "480pf", 60, 720, 480, 37037, 58, 17, 30, 9, 63, 6,
 222         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 223     }, {
 224         /* 720pf */
 225         "720pf", 60, 1280, 720, 13481, 220, 70, 19, 6, 80, 5,
 226         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 227     }, {
 228         /* 1080if */
 229         "1080if", 60, 1920, 1080, 13481, 148, 44, 36, 4, 88, 5,
 230         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 231     }, {
 232         /* 1080pf */
 233         "1080pf", 60, 1920, 1080, 6741, 148, 44, 36, 4, 88, 5,
 234         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 235     },
 236
 237     /* 50 Hz broadcast modes (full resolution versions of modes "6" to "10") */
 238     {
 239         /* 576if */
 240         "576if", 50, 720, 576, 74074, 70, 11, 39, 5, 63, 5,
 241         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 242     }, {
 243         /* 576pf */
 244         "576pf", 50, 720, 576, 37037, 70, 11, 39, 5, 63, 5,
 245         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 246     }, {
 247         /* 720pf */
 248         "720pf", 50, 1280, 720, 13468, 220, 400, 19, 6, 80, 5,
 249         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 250     }, {
 251         /* 1080if */
 252         "1080f", 50, 1920, 1080, 13468, 148, 484, 36, 4, 88, 5,
 253         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 254     }, {
 255         /* 1080pf */
 256         "1080pf", 50, 1920, 1080, 6734, 148, 484, 36, 4, 88, 5,
 257         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 258     }
 259 };
 260
 261
 262 #define HEAD_A
 263 #define HEAD_B
 264
 265 #define BPP             4                       /* number of bytes per pixel */
 266
 267
 268 static int ps3fb_mode;
 269 module_param(ps3fb_mode, int, 0);
 270
 271 static char *mode_option __devinitdata;
 272
 273 static int ps3fb_cmp_mode(const struct fb_videomode *vmode,
 274                           const struct fb_var_screeninfo *var)
 275 {
 276         /* resolution + black border must match a native resolution */
 277         if (vmode->left_margin + vmode->xres + vmode->right_margin !=
 278             var->left_margin + var->xres + var->right_margin ||
 279             vmode->upper_margin + vmode->yres + vmode->lower_margin !=
 280             var->upper_margin + var->yres + var->lower_margin)
 281                 return -1;
 282
 283         /* minimum limits for margins */
 284         if (vmode->left_margin > var->left_margin ||
 285             vmode->right_margin > var->right_margin ||
 286             vmode->upper_margin > var->upper_margin ||
 287             vmode->lower_margin > var->lower_margin)
 288                 return -1;
 289
 290         /* these fields must match exactly */
 291         if (vmode->pixclock != var->pixclock ||
 292             vmode->hsync_len != var->hsync_len ||
 293             vmode->vsync_len != var->vsync_len ||
 294             vmode->sync != var->sync ||
 295             vmode->vmode != (var->vmode & FB_VMODE_MASK))
 296                 return -1;
 297
 298         return 0;
 299 }
 300
 301 static unsigned int ps3fb_find_mode(struct fb_var_screeninfo *var,
 302                                     u32 *ddr_line_length, u32 *xdr_line_length)
 303 {
 304         unsigned int i, mode;
 305
 306         for (i = PS3AV_MODE_1080P50; i < ARRAY_SIZE(ps3fb_modedb); i++)
 307                 if (!ps3fb_cmp_mode(&ps3fb_modedb[i], var))
 308                         goto found;
 309
 310         pr_debug("ps3fb_find_mode: mode not found\n");
 311         return 0;
 312
 313 found:
 314         *ddr_line_length = ps3fb_modedb[i].xres * BPP;
 315
 316         if (!var->xres) {
 317                 var->xres = 1;
 318                 var->right_margin--;
 319         }
 320         if (!var->yres) {
 321                 var->yres = 1;
 322                 var->lower_margin--;
 323         }
 324
 325         if (ps3_compare_firmware_version(1, 9, 0) >= 0) {
 326                 *xdr_line_length = GPU_ALIGN_UP(max(var->xres,
 327                                                     var->xres_virtual) * BPP);
 328                 if (*xdr_line_length > GPU_MAX_LINE_LENGTH)
 329                         *xdr_line_length = GPU_MAX_LINE_LENGTH;
 330         } else
 331                 *xdr_line_length = *ddr_line_length;
 332
 333         mode = i+1;
 334         if (mode > PS3AV_MODE_WUXGA) {
 335                 mode -= PS3AV_MODE_WUXGA;
 336                 /* Full broadcast modes have the full mode bit set */
 337                 if (ps3fb_modedb[i].xres == var->xres &&
 338                     ps3fb_modedb[i].yres == var->yres)
 339                         mode |= PS3AV_MODE_FULL;
 340         }
 341
 342         pr_debug("ps3fb_find_mode: mode %u\n", mode);
 343
 344         return mode;
 345 }
 346
 347 static const struct fb_videomode *ps3fb_default_mode(int id)
 348 {
 349         u32 mode = id & PS3AV_MODE_MASK;
 350         u32 flags;
 351
 352         if (mode < PS3AV_MODE_480I || mode > PS3AV_MODE_WUXGA)
 353                 return NULL;
 354
 355         flags = id & ~PS3AV_MODE_MASK;
 356
 357         if (mode <= PS3AV_MODE_1080P50 && flags & PS3AV_MODE_FULL) {
 358                 /* Full broadcast mode */
 359                 return &ps3fb_modedb[mode + PS3AV_MODE_WUXGA - 1];
 360         }
 361
 362         return &ps3fb_modedb[mode - 1];
 363 }
 364
 365 static void ps3fb_sync_image(struct device *dev, u64 frame_offset,
 366                              u64 dst_offset, u64 src_offset, u32 width,
 367                              u32 height, u32 dst_line_length,
 368                              u32 src_line_length)
 369 {
 370         int status;
 371         u64 line_length;
 372
 373         line_length = dst_line_length;
 374         if (src_line_length != dst_line_length)
 375                 line_length |= (u64)src_line_length << 32;
 376
 377         src_offset += GPU_FB_START;
 378         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 379                                            L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT,
 380                                            dst_offset, GPU_IOIF + src_offset,
 381                                            L1GPU_FB_BLIT_WAIT_FOR_COMPLETION |
 382                                            (width << 16) | height,
 383                                            line_length);
 384         if (status)
 385                 dev_err(dev,
 386                         "%s: lv1_gpu_context_attribute FB_BLIT failed: %d\n",
 387                         __func__, status);
 388 #ifdef HEAD_A
 389         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 390                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
 391                                            0, frame_offset, 0, 0);
 392         if (status)
 393                 dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
 394                         __func__, status);
 395 #endif
 396 #ifdef HEAD_B
 397         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 398                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
 399                                            1, frame_offset, 0, 0);
 400         if (status)
 401                 dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
 402                         __func__, status);
 403 #endif
 404 }
 405
 406 static int ps3fb_sync(struct fb_info *info, u32 frame)
 407 {
 408         struct ps3fb_par *par = info->par;
 409         int error = 0;
 410         u64 ddr_base, xdr_base;
 411
 412         if (frame > par->num_frames - 1) {
 413                 dev_dbg(info->device, "%s: invalid frame number (%u)\n",
 414                         __func__, frame);
 415                 error = -EINVAL;
 416                 goto out;
 417         }
 418
 419         xdr_base = frame * par->xdr_frame_size;
 420         ddr_base = frame * par->ddr_frame_size;
 421
 422         ps3fb_sync_image(info->device, ddr_base + par->full_offset,
 423                          ddr_base + par->fb_offset, xdr_base + par->pan_offset,
 424                          par->width, par->height, par->ddr_line_length,
 425                          info->fix.line_length);
 426
 427 out:
 428         return error;
 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                         if (!try_acquire_console_sem()) {
 443                                 ps3fb_sync(info, 0);    /* single buffer */
 444                                 release_console_sem();
 445                         }
 446                 }
 447         }
 448         return 0;
 449 }
 450
 451     /*
 452      *  Setting the video mode has been split into two parts.
 453      *  First part, xxxfb_check_var, must not write anything
 454      *  to hardware, it should only verify and adjust var.
 455      *  This means it doesn't alter par but it does use hardware
 456      *  data from it to check this var.
 457      */
 458
 459 static int ps3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 460 {
 461         u32 xdr_line_length, ddr_line_length;
 462         int mode;
 463
 464         dev_dbg(info->device, "var->xres:%u info->var.xres:%u\n", var->xres,
 465                 info->var.xres);
 466         dev_dbg(info->device, "var->yres:%u info->var.yres:%u\n", var->yres,
 467                 info->var.yres);
 468
 469         /* FIXME For now we do exact matches only */
 470         mode = ps3fb_find_mode(var, &ddr_line_length, &xdr_line_length);
 471         if (!mode)
 472                 return -EINVAL;
 473
 474         /* Virtual screen */
 475         if (var->xres_virtual < var->xres)
 476                 var->xres_virtual = var->xres;
 477         if (var->yres_virtual < var->yres)
 478                 var->yres_virtual = var->yres;
 479
 480         if (var->xres_virtual > xdr_line_length / BPP) {
 481                 dev_dbg(info->device,
 482                         "Horizontal virtual screen size too large\n");
 483                 return -EINVAL;
 484         }
 485
 486         if (var->xoffset + var->xres > var->xres_virtual ||
 487             var->yoffset + var->yres > var->yres_virtual) {
 488                 dev_dbg(info->device, "panning out-of-range\n");
 489                 return -EINVAL;
 490         }
 491
 492         /* We support ARGB8888 only */
 493         if (var->bits_per_pixel > 32 || var->grayscale ||
 494             var->red.offset > 16 || var->green.offset > 8 ||
 495             var->blue.offset > 0 || var->transp.offset > 24 ||
 496             var->red.length > 8 || var->green.length > 8 ||
 497             var->blue.length > 8 || var->transp.length > 8 ||
 498             var->red.msb_right || var->green.msb_right ||
 499             var->blue.msb_right || var->transp.msb_right || var->nonstd) {
 500                 dev_dbg(info->device, "We support ARGB8888 only\n");
 501                 return -EINVAL;
 502         }
 503
 504         var->bits_per_pixel = 32;
 505         var->red.offset = 16;
 506         var->green.offset = 8;
 507         var->blue.offset = 0;
 508         var->transp.offset = 24;
 509         var->red.length = 8;
 510         var->green.length = 8;
 511         var->blue.length = 8;
 512         var->transp.length = 8;
 513         var->red.msb_right = 0;
 514         var->green.msb_right = 0;
 515         var->blue.msb_right = 0;
 516         var->transp.msb_right = 0;
 517
 518         /* Rotation is not supported */
 519         if (var->rotate) {
 520                 dev_dbg(info->device, "Rotation is not supported\n");
 521                 return -EINVAL;
 522         }
 523
 524         /* Memory limit */
 525         if (var->yres_virtual * xdr_line_length > ps3fb.xdr_size) {
 526                 dev_dbg(info->device, "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         struct ps3fb_par *par = info->par;
 543         unsigned int mode, ddr_line_length, xdr_line_length, lines, maxlines;
 544         unsigned int ddr_xoff, ddr_yoff, offset;
 545         const struct fb_videomode *vmode;
 546         u64 dst;
 547
 548         dev_dbg(info->device, "xres:%d xv:%d yres:%d yv:%d clock:%d\n",
 549                 info->var.xres, info->var.xres_virtual,
 550                 info->var.yres, info->var.yres_virtual, info->var.pixclock);
 551
 552         mode = ps3fb_find_mode(&info->var, &ddr_line_length, &xdr_line_length);
 553         if (!mode)
 554                 return -EINVAL;
 555
 556         vmode = ps3fb_default_mode(mode | PS3AV_MODE_FULL);
 557
 558         info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea);
 559         info->fix.smem_len = ps3fb.xdr_size;
 560         info->fix.xpanstep = info->var.xres_virtual > info->var.xres ? 1 : 0;
 561         info->fix.ypanstep = info->var.yres_virtual > info->var.yres ? 1 : 0;
 562         info->fix.line_length = xdr_line_length;
 563
 564         info->screen_base = (char __iomem *)ps3fb.xdr_ea;
 565
 566         par->ddr_line_length = ddr_line_length;
 567         par->ddr_frame_size = vmode->yres * ddr_line_length;
 568         par->xdr_frame_size = info->var.yres_virtual * xdr_line_length;
 569
 570         par->num_frames = ps3fb.xdr_size /
 571                           max(par->ddr_frame_size, par->xdr_frame_size);
 572
 573         /* Keep the special bits we cannot set using fb_var_screeninfo */
 574         par->new_mode_id = (par->new_mode_id & ~PS3AV_MODE_MASK) | mode;
 575
 576         par->width = info->var.xres;
 577         par->height = info->var.yres;
 578
 579         /* Start of the virtual frame buffer (relative to fullscreen) */
 580         ddr_xoff = info->var.left_margin - vmode->left_margin;
 581         ddr_yoff = info->var.upper_margin - vmode->upper_margin;
 582         offset = ddr_yoff * ddr_line_length + ddr_xoff * BPP;
 583
 584         par->fb_offset = GPU_ALIGN_UP(offset);
 585         par->full_offset = par->fb_offset - offset;
 586         par->pan_offset = info->var.yoffset * xdr_line_length +
 587                           info->var.xoffset * BPP;
 588
 589         if (par->new_mode_id != par->mode_id) {
 590                 if (ps3av_set_video_mode(par->new_mode_id)) {
 591                         par->new_mode_id = par->mode_id;
 592                         return -EINVAL;
 593                 }
 594                 par->mode_id = par->new_mode_id;
 595         }
 596
 597         /* Clear XDR frame buffer memory */
 598         memset(ps3fb.xdr_ea, 0, ps3fb.xdr_size);
 599
 600         /* Clear DDR frame buffer memory */
 601         lines = vmode->yres * par->num_frames;
 602         if (par->full_offset)
 603                 lines++;
 604         maxlines = ps3fb.xdr_size / ddr_line_length;
 605         for (dst = 0; lines; dst += maxlines * ddr_line_length) {
 606                 unsigned int l = min(lines, maxlines);
 607                 ps3fb_sync_image(info->device, 0, dst, 0, vmode->xres, l,
 608                                  ddr_line_length, ddr_line_length);
 609                 lines -= l;
 610         }
 611
 612         return 0;
 613 }
 614
 615     /*
 616      *  Set a single color register. The values supplied are already
 617      *  rounded down to the hardware's capabilities (according to the
 618      *  entries in the var structure). Return != 0 for invalid regno.
 619      */
 620
 621 static int ps3fb_setcolreg(unsigned int regno, unsigned int red,
 622                            unsigned int green, unsigned int blue,
 623                            unsigned int transp, struct fb_info *info)
 624 {
 625         if (regno >= 16)
 626                 return 1;
 627
 628         red >>= 8;
 629         green >>= 8;
 630         blue >>= 8;
 631         transp >>= 8;
 632
 633         ((u32 *)info->pseudo_palette)[regno] = transp << 24 | red << 16 |
 634                                                green << 8 | blue;
 635         return 0;
 636 }
 637
 638 static int ps3fb_pan_display(struct fb_var_screeninfo *var,
 639                              struct fb_info *info)
 640 {
 641         struct ps3fb_par *par = info->par;
 642
 643         par->pan_offset = var->yoffset * info->fix.line_length +
 644                           var->xoffset * BPP;
 645         return 0;
 646 }
 647
 648     /*
 649      *  As we have a virtual frame buffer, we need our own mmap function
 650      */
 651
 652 static int ps3fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
 653 {
 654         unsigned long size, offset;
 655
 656         size = vma->vm_end - vma->vm_start;
 657         offset = vma->vm_pgoff << PAGE_SHIFT;
 658         if (offset + size > info->fix.smem_len)
 659                 return -EINVAL;
 660
 661         offset += info->fix.smem_start;
 662         if (remap_pfn_range(vma, vma->vm_start, offset >> PAGE_SHIFT,
 663                             size, vma->vm_page_prot))
 664                 return -EAGAIN;
 665
 666         dev_dbg(info->device, "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n",
 667                 offset, vma->vm_start);
 668         return 0;
 669 }
 670
 671     /*
 672      * Blank the display
 673      */
 674
 675 static int ps3fb_blank(int blank, struct fb_info *info)
 676 {
 677         int retval;
 678
 679         dev_dbg(info->device, "%s: blank:%d\n", __func__, blank);
 680         switch (blank) {
 681         case FB_BLANK_POWERDOWN:
 682         case FB_BLANK_HSYNC_SUSPEND:
 683         case FB_BLANK_VSYNC_SUSPEND:
 684         case FB_BLANK_NORMAL:
 685                 retval = ps3av_video_mute(1);   /* mute on */
 686                 if (!retval)
 687                         ps3fb.is_blanked = 1;
 688                 break;
 689
 690         default:                /* unblank */
 691                 retval = ps3av_video_mute(0);   /* mute off */
 692                 if (!retval)
 693                         ps3fb.is_blanked = 0;
 694                 break;
 695         }
 696         return retval;
 697 }
 698
 699 static int ps3fb_get_vblank(struct fb_vblank *vblank)
 700 {
 701         memset(vblank, 0, sizeof(*vblank));
 702         vblank->flags = FB_VBLANK_HAVE_VSYNC;
 703         return 0;
 704 }
 705
 706 static int ps3fb_wait_for_vsync(u32 crtc)
 707 {
 708         int ret;
 709         u64 count;
 710
 711         count = ps3fb.vblank_count;
 712         ret = wait_event_interruptible_timeout(ps3fb.wait_vsync,
 713                                                count != ps3fb.vblank_count,
 714                                                HZ / 10);
 715         if (!ret)
 716                 return -ETIMEDOUT;
 717
 718         return 0;
 719 }
 720
 721 static void ps3fb_flip_ctl(int on, void *data)
 722 {
 723         struct ps3fb_priv *priv = data;
 724         if (on)
 725                 atomic_dec_if_positive(&priv->ext_flip);
 726         else
 727                 atomic_inc(&priv->ext_flip);
 728 }
 729
 730
 731     /*
 732      * ioctl
 733      */
 734
 735 static int ps3fb_ioctl(struct fb_info *info, unsigned int cmd,
 736                        unsigned long arg)
 737 {
 738         void __user *argp = (void __user *)arg;
 739         u32 val;
 740         int retval = -EFAULT;
 741
 742         switch (cmd) {
 743         case FBIOGET_VBLANK:
 744                 {
 745                         struct fb_vblank vblank;
 746                         dev_dbg(info->device, "FBIOGET_VBLANK:\n");
 747                         retval = ps3fb_get_vblank(&vblank);
 748                         if (retval)
 749                                 break;
 750
 751                         if (copy_to_user(argp, &vblank, sizeof(vblank)))
 752                                 retval = -EFAULT;
 753                         break;
 754                 }
 755
 756         case FBIO_WAITFORVSYNC:
 757                 {
 758                         u32 crt;
 759                         dev_dbg(info->device, "FBIO_WAITFORVSYNC:\n");
 760                         if (get_user(crt, (u32 __user *) arg))
 761                                 break;
 762
 763                         retval = ps3fb_wait_for_vsync(crt);
 764                         break;
 765                 }
 766
 767         case PS3FB_IOCTL_SETMODE:
 768                 {
 769                         struct ps3fb_par *par = info->par;
 770                         const struct fb_videomode *mode;
 771                         struct fb_var_screeninfo var;
 772
 773                         if (copy_from_user(&val, argp, sizeof(val)))
 774                                 break;
 775
 776                         if (!(val & PS3AV_MODE_MASK)) {
 777                                 u32 id = ps3av_get_auto_mode();
 778                                 if (id > 0)
 779                                         val = (val & ~PS3AV_MODE_MASK) | id;
 780                         }
 781                         dev_dbg(info->device, "PS3FB_IOCTL_SETMODE:%x\n", val);
 782                         retval = -EINVAL;
 783                         mode = ps3fb_default_mode(val);
 784                         if (mode) {
 785                                 var = info->var;
 786                                 fb_videomode_to_var(&var, mode);
 787                                 acquire_console_sem();
 788                                 info->flags |= FBINFO_MISC_USEREVENT;
 789                                 /* Force, in case only special bits changed */
 790                                 var.activate |= FB_ACTIVATE_FORCE;
 791                                 par->new_mode_id = val;
 792                                 retval = fb_set_var(info, &var);
 793                                 info->flags &= ~FBINFO_MISC_USEREVENT;
 794                                 release_console_sem();
 795                         }
 796                         break;
 797                 }
 798
 799         case PS3FB_IOCTL_GETMODE:
 800                 val = ps3av_get_mode();
 801                 dev_dbg(info->device, "PS3FB_IOCTL_GETMODE:%x\n", val);
 802                 if (!copy_to_user(argp, &val, sizeof(val)))
 803                         retval = 0;
 804                 break;
 805
 806         case PS3FB_IOCTL_SCREENINFO:
 807                 {
 808                         struct ps3fb_par *par = info->par;
 809                         struct ps3fb_ioctl_res res;
 810                         dev_dbg(info->device, "PS3FB_IOCTL_SCREENINFO:\n");
 811                         res.xres = info->fix.line_length / BPP;
 812                         res.yres = info->var.yres_virtual;
 813                         res.xoff = (res.xres - info->var.xres) / 2;
 814                         res.yoff = (res.yres - info->var.yres) / 2;
 815                         res.num_frames = par->num_frames;
 816                         if (!copy_to_user(argp, &res, sizeof(res)))
 817                                 retval = 0;
 818                         break;
 819                 }
 820
 821         case PS3FB_IOCTL_ON:
 822                 dev_dbg(info->device, "PS3FB_IOCTL_ON:\n");
 823                 atomic_inc(&ps3fb.ext_flip);
 824                 retval = 0;
 825                 break;
 826
 827         case PS3FB_IOCTL_OFF:
 828                 dev_dbg(info->device, "PS3FB_IOCTL_OFF:\n");
 829                 atomic_dec_if_positive(&ps3fb.ext_flip);
 830                 retval = 0;
 831                 break;
 832
 833         case PS3FB_IOCTL_FSEL:
 834                 if (copy_from_user(&val, argp, sizeof(val)))
 835                         break;
 836
 837                 dev_dbg(info->device, "PS3FB_IOCTL_FSEL:%d\n", val);
 838                 acquire_console_sem();
 839                 retval = ps3fb_sync(info, val);
 840                 release_console_sem();
 841                 break;
 842
 843         default:
 844                 retval = -ENOIOCTLCMD;
 845                 break;
 846         }
 847         return retval;
 848 }
 849
 850 static int ps3fbd(void *arg)
 851 {
 852         struct fb_info *info = arg;
 853
 854         set_freezable();
 855         while (!kthread_should_stop()) {
 856                 try_to_freeze();
 857                 set_current_state(TASK_INTERRUPTIBLE);
 858                 if (ps3fb.is_kicked) {
 859                         ps3fb.is_kicked = 0;
 860                         acquire_console_sem();
 861                         ps3fb_sync(info, 0);    /* single buffer */
 862                         release_console_sem();
 863                 }
 864                 schedule();
 865         }
 866         return 0;
 867 }
 868
 869 static irqreturn_t ps3fb_vsync_interrupt(int irq, void *ptr)
 870 {
 871         struct device *dev = ptr;
 872         u64 v1;
 873         int status;
 874         struct display_head *head = &ps3fb.dinfo->display_head[1];
 875
 876         status = lv1_gpu_context_intr(ps3fb.context_handle, &v1);
 877         if (status) {
 878                 dev_err(dev, "%s: lv1_gpu_context_intr failed: %d\n", __func__,
 879                         status);
 880                 return IRQ_NONE;
 881         }
 882
 883         if (v1 & (1 << GPU_INTR_STATUS_VSYNC_1)) {
 884                 /* VSYNC */
 885                 ps3fb.vblank_count = head->vblank_count;
 886                 if (ps3fb.task && !ps3fb.is_blanked &&
 887                     !atomic_read(&ps3fb.ext_flip)) {
 888                         ps3fb.is_kicked = 1;
 889                         wake_up_process(ps3fb.task);
 890                 }
 891                 wake_up_interruptible(&ps3fb.wait_vsync);
 892         }
 893
 894         return IRQ_HANDLED;
 895 }
 896
 897
 898 static int ps3fb_vsync_settings(struct gpu_driver_info *dinfo,
 899                                 struct device *dev)
 900 {
 901         int error;
 902
 903         dev_dbg(dev, "version_driver:%x\n", dinfo->version_driver);
 904         dev_dbg(dev, "irq outlet:%x\n", dinfo->irq.irq_outlet);
 905         dev_dbg(dev,
 906                 "version_gpu: %x memory_size: %x ch: %x core_freq: %d "
 907                 "mem_freq:%d\n",
 908                 dinfo->version_gpu, dinfo->memory_size, dinfo->hardware_channel,
 909                 dinfo->nvcore_frequency/1000000, dinfo->memory_frequency/1000000);
 910
 911         if (dinfo->version_driver != GPU_DRIVER_INFO_VERSION) {
 912                 dev_err(dev, "%s: version_driver err:%x\n", __func__,
 913                         dinfo->version_driver);
 914                 return -EINVAL;
 915         }
 916
 917         error = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet,
 918                                    &ps3fb.irq_no);
 919         if (error) {
 920                 dev_err(dev, "%s: ps3_alloc_irq failed %d\n", __func__, error);
 921                 return error;
 922         }
 923
 924         error = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt, IRQF_DISABLED,
 925                             DEVICE_NAME, dev);
 926         if (error) {
 927                 dev_err(dev, "%s: request_irq failed %d\n", __func__, error);
 928                 ps3_irq_plug_destroy(ps3fb.irq_no);
 929                 return error;
 930         }
 931
 932         dinfo->irq.mask = (1 << GPU_INTR_STATUS_VSYNC_1) |
 933                           (1 << GPU_INTR_STATUS_FLIP_1);
 934         return 0;
 935 }
 936
 937 static int ps3fb_xdr_settings(u64 xdr_lpar, struct device *dev)
 938 {
 939         int status;
 940
 941         status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF,
 942                                        xdr_lpar, ps3fb_videomemory.size, 0);
 943         if (status) {
 944                 dev_err(dev, "%s: lv1_gpu_context_iomap failed: %d\n",
 945                         __func__, status);
 946                 return -ENXIO;
 947         }
 948         dev_dbg(dev,
 949                 "video:%p xdr_ea:%p ioif:%lx lpar:%lx phys:%lx size:%lx\n",
 950                 ps3fb_videomemory.address, ps3fb.xdr_ea, GPU_IOIF, xdr_lpar,
 951                 virt_to_abs(ps3fb.xdr_ea), ps3fb_videomemory.size);
 952
 953         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 954                                            L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP,
 955                                            xdr_lpar, GPU_CMD_BUF_SIZE,
 956                                            GPU_IOIF, 0);
 957         if (status) {
 958                 dev_err(dev,
 959                         "%s: lv1_gpu_context_attribute FB_SETUP failed: %d\n",
 960                         __func__, status);
 961                 return -ENXIO;
 962         }
 963         return 0;
 964 }
 965
 966 static struct fb_ops ps3fb_ops = {
 967         .fb_open        = ps3fb_open,
 968         .fb_release     = ps3fb_release,
 969         .fb_read        = fb_sys_read,
 970         .fb_write       = fb_sys_write,
 971         .fb_check_var   = ps3fb_check_var,
 972         .fb_set_par     = ps3fb_set_par,
 973         .fb_setcolreg   = ps3fb_setcolreg,
 974         .fb_pan_display = ps3fb_pan_display,
 975         .fb_fillrect    = sys_fillrect,
 976         .fb_copyarea    = sys_copyarea,
 977         .fb_imageblit   = sys_imageblit,
 978         .fb_mmap        = ps3fb_mmap,
 979         .fb_blank       = ps3fb_blank,
 980         .fb_ioctl       = ps3fb_ioctl,
 981         .fb_compat_ioctl = ps3fb_ioctl
 982 };
 983
 984 static struct fb_fix_screeninfo ps3fb_fix __initdata = {
 985         .id =           DEVICE_NAME,
 986         .type =         FB_TYPE_PACKED_PIXELS,
 987         .visual =       FB_VISUAL_TRUECOLOR,
 988         .accel =        FB_ACCEL_NONE,
 989 };
 990
 991 static int ps3fb_set_sync(struct device *dev)
 992 {
 993         int status;
 994
 995 #ifdef HEAD_A
 996         status = lv1_gpu_context_attribute(0x0,
 997                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
 998                                            0, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
 999         if (status) {
1000                 dev_err(dev,
1001                         "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
1002                         "%d\n",
1003                         __func__, status);
1004                 return -1;
1005         }
1006 #endif
1007 #ifdef HEAD_B
1008         status = lv1_gpu_context_attribute(0x0,
1009                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
1010                                            1, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
1011
1012         if (status) {
1013                 dev_err(dev,
1014                         "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
1015                         "%d\n",
1016                         __func__, status);
1017                 return -1;
1018         }
1019 #endif
1020         return 0;
1021 }
1022
1023 static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev)
1024 {
1025         struct fb_info *info;
1026         struct ps3fb_par *par;
1027         int retval = -ENOMEM;
1028         u64 ddr_lpar = 0;
1029         u64 lpar_dma_control = 0;
1030         u64 lpar_driver_info = 0;
1031         u64 lpar_reports = 0;
1032         u64 lpar_reports_size = 0;
1033         u64 xdr_lpar;
1034         int status;
1035         struct task_struct *task;
1036         unsigned long max_ps3fb_size;
1037
1038         if (ps3fb_videomemory.size < GPU_CMD_BUF_SIZE) {
1039                 dev_err(&dev->core, "%s: Not enough video memory\n", __func__);
1040                 return -ENOMEM;
1041         }
1042
1043         status = ps3_open_hv_device(dev);
1044         if (status) {
1045                 dev_err(&dev->core, "%s: ps3_open_hv_device failed\n",
1046                         __func__);
1047                 goto err;
1048         }
1049
1050         if (!ps3fb_mode)
1051                 ps3fb_mode = ps3av_get_mode();
1052         dev_dbg(&dev->core, "ps3fb_mode: %d\n", ps3fb_mode);
1053
1054         atomic_set(&ps3fb.f_count, -1); /* fbcon opens ps3fb */
1055         atomic_set(&ps3fb.ext_flip, 0); /* for flip with vsync */
1056         init_waitqueue_head(&ps3fb.wait_vsync);
1057
1058         ps3fb_set_sync(&dev->core);
1059
1060         max_ps3fb_size = _ALIGN_UP(GPU_IOIF, 256*1024*1024) - GPU_IOIF;
1061         if (ps3fb_videomemory.size > max_ps3fb_size) {
1062                 dev_info(&dev->core, "Limiting ps3fb mem size to %lu bytes\n",
1063                          max_ps3fb_size);
1064                 ps3fb_videomemory.size = max_ps3fb_size;
1065         }
1066
1067         /* get gpu context handle */
1068         status = lv1_gpu_memory_allocate(ps3fb_videomemory.size, 0, 0, 0, 0,
1069                                          &ps3fb.memory_handle, &ddr_lpar);
1070         if (status) {
1071                 dev_err(&dev->core, "%s: lv1_gpu_memory_allocate failed: %d\n",
1072                         __func__, status);
1073                 goto err;
1074         }
1075         dev_dbg(&dev->core, "ddr:lpar:0x%lx\n", ddr_lpar);
1076
1077         status = lv1_gpu_context_allocate(ps3fb.memory_handle, 0,
1078                                           &ps3fb.context_handle,
1079                                           &lpar_dma_control, &lpar_driver_info,
1080                                           &lpar_reports, &lpar_reports_size);
1081         if (status) {
1082                 dev_err(&dev->core,
1083                         "%s: lv1_gpu_context_attribute failed: %d\n", __func__,
1084                         status);
1085                 goto err_gpu_memory_free;
1086         }
1087
1088         /* vsync interrupt */
1089         ps3fb.dinfo = ioremap(lpar_driver_info, 128 * 1024);
1090         if (!ps3fb.dinfo) {
1091                 dev_err(&dev->core, "%s: ioremap failed\n", __func__);
1092                 goto err_gpu_context_free;
1093         }
1094
1095         retval = ps3fb_vsync_settings(ps3fb.dinfo, &dev->core);
1096         if (retval)
1097                 goto err_iounmap_dinfo;
1098
1099         /* XDR frame buffer */
1100         ps3fb.xdr_ea = ps3fb_videomemory.address;
1101         xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb.xdr_ea));
1102
1103         /* Clear memory to prevent kernel info leakage into userspace */
1104         memset(ps3fb.xdr_ea, 0, ps3fb_videomemory.size);
1105
1106         /*
1107          * The GPU command buffer is at the start of video memory
1108          * As we don't use the full command buffer, we can put the actual
1109          * frame buffer at offset GPU_FB_START and save some precious XDR
1110          * memory
1111          */
1112         ps3fb.xdr_ea += GPU_FB_START;
1113         ps3fb.xdr_size = ps3fb_videomemory.size - GPU_FB_START;
1114
1115         retval = ps3fb_xdr_settings(xdr_lpar, &dev->core);
1116         if (retval)
1117                 goto err_free_irq;
1118
1119         info = framebuffer_alloc(sizeof(struct ps3fb_par), &dev->core);
1120         if (!info)
1121                 goto err_free_irq;
1122
1123         par = info->par;
1124         par->mode_id = ~ps3fb_mode;     /* != ps3fb_mode, to trigger change */
1125         par->new_mode_id = ps3fb_mode;
1126         par->num_frames = 1;
1127
1128         info->screen_base = (char __iomem *)ps3fb.xdr_ea;
1129         info->fbops = &ps3fb_ops;
1130
1131         info->fix = ps3fb_fix;
1132         info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea);
1133         info->fix.smem_len = ps3fb.xdr_size;
1134         info->pseudo_palette = par->pseudo_palette;
1135         info->flags = FBINFO_DEFAULT | FBINFO_READS_FAST |
1136                       FBINFO_HWACCEL_XPAN | FBINFO_HWACCEL_YPAN;
1137
1138         retval = fb_alloc_cmap(&info->cmap, 256, 0);
1139         if (retval < 0)
1140                 goto err_framebuffer_release;
1141
1142         if (!fb_find_mode(&info->var, info, mode_option, ps3fb_modedb,
1143                           ARRAY_SIZE(ps3fb_modedb),
1144                           ps3fb_default_mode(par->new_mode_id), 32)) {
1145                 retval = -EINVAL;
1146                 goto err_fb_dealloc;
1147         }
1148
1149         fb_videomode_to_modelist(ps3fb_modedb, ARRAY_SIZE(ps3fb_modedb),
1150                                  &info->modelist);
1151
1152         retval = register_framebuffer(info);
1153         if (retval < 0)
1154                 goto err_fb_dealloc;
1155
1156         dev->core.driver_data = info;
1157
1158         dev_info(info->device, "%s %s, using %lu KiB of video memory\n",
1159                  dev_driver_string(info->dev), info->dev->bus_id,
1160                  ps3fb.xdr_size >> 10);
1161
1162         task = kthread_run(ps3fbd, info, DEVICE_NAME);
1163         if (IS_ERR(task)) {
1164                 retval = PTR_ERR(task);
1165                 goto err_unregister_framebuffer;
1166         }
1167
1168         ps3fb.task = task;
1169         ps3av_register_flip_ctl(ps3fb_flip_ctl, &ps3fb);
1170
1171         return 0;
1172
1173 err_unregister_framebuffer:
1174         unregister_framebuffer(info);
1175 err_fb_dealloc:
1176         fb_dealloc_cmap(&info->cmap);
1177 err_framebuffer_release:
1178         framebuffer_release(info);
1179 err_free_irq:
1180         free_irq(ps3fb.irq_no, &dev->core);
1181         ps3_irq_plug_destroy(ps3fb.irq_no);
1182 err_iounmap_dinfo:
1183         iounmap((u8 __iomem *)ps3fb.dinfo);
1184 err_gpu_context_free:
1185         lv1_gpu_context_free(ps3fb.context_handle);
1186 err_gpu_memory_free:
1187         lv1_gpu_memory_free(ps3fb.memory_handle);
1188 err:
1189         return retval;
1190 }
1191
1192 static int ps3fb_shutdown(struct ps3_system_bus_device *dev)
1193 {
1194         int status;
1195         struct fb_info *info = dev->core.driver_data;
1196
1197         dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
1198
1199         ps3fb_flip_ctl(0, &ps3fb);      /* flip off */
1200         ps3fb.dinfo->irq.mask = 0;
1201
1202         ps3av_register_flip_ctl(NULL, NULL);
1203         if (ps3fb.task) {
1204                 struct task_struct *task = ps3fb.task;
1205                 ps3fb.task = NULL;
1206                 kthread_stop(task);
1207         }
1208         if (ps3fb.irq_no) {
1209                 free_irq(ps3fb.irq_no, &dev->core);
1210                 ps3_irq_plug_destroy(ps3fb.irq_no);
1211         }
1212         if (info) {
1213                 unregister_framebuffer(info);
1214                 fb_dealloc_cmap(&info->cmap);
1215                 framebuffer_release(info);
1216                 info = dev->core.driver_data = NULL;
1217         }
1218         iounmap((u8 __iomem *)ps3fb.dinfo);
1219
1220         status = lv1_gpu_context_free(ps3fb.context_handle);
1221         if (status)
1222                 dev_dbg(&dev->core, "lv1_gpu_context_free failed: %d\n",
1223                         status);
1224
1225         status = lv1_gpu_memory_free(ps3fb.memory_handle);
1226         if (status)
1227                 dev_dbg(&dev->core, "lv1_gpu_memory_free failed: %d\n",
1228                         status);
1229
1230         ps3_close_hv_device(dev);
1231         dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
1232
1233         return 0;
1234 }
1235
1236 static struct ps3_system_bus_driver ps3fb_driver = {
1237         .match_id       = PS3_MATCH_ID_GRAPHICS,
1238         .core.name      = DEVICE_NAME,
1239         .core.owner     = THIS_MODULE,
1240         .probe          = ps3fb_probe,
1241         .remove         = ps3fb_shutdown,
1242         .shutdown       = ps3fb_shutdown,
1243 };
1244
1245 static int __init ps3fb_setup(void)
1246 {
1247         char *options;
1248
1249 #ifdef MODULE
1250         return 0;
1251 #endif
1252
1253         if (fb_get_options(DEVICE_NAME, &options))
1254                 return -ENXIO;
1255
1256         if (!options || !*options)
1257                 return 0;
1258
1259         while (1) {
1260                 char *this_opt = strsep(&options, ",");
1261
1262                 if (!this_opt)
1263                         break;
1264                 if (!*this_opt)
1265                         continue;
1266                 if (!strncmp(this_opt, "mode:", 5))
1267                         ps3fb_mode = simple_strtoul(this_opt + 5, NULL, 0);
1268                 else
1269                         mode_option = this_opt;
1270         }
1271         return 0;
1272 }
1273
1274 static int __init ps3fb_init(void)
1275 {
1276         if (!ps3fb_videomemory.address ||  ps3fb_setup())
1277                 return -ENXIO;
1278
1279         return ps3_system_bus_driver_register(&ps3fb_driver);
1280 }
1281
1282 static void __exit ps3fb_exit(void)
1283 {
1284         pr_debug(" -> %s:%d\n", __func__, __LINE__);
1285         ps3_system_bus_driver_unregister(&ps3fb_driver);
1286         pr_debug(" <- %s:%d\n", __func__, __LINE__);
1287 }
1288
1289 module_init(ps3fb_init);
1290 module_exit(ps3fb_exit);
1291
1292 MODULE_LICENSE("GPL");
1293 MODULE_DESCRIPTION("PS3 GPU Frame Buffer Driver");
1294 MODULE_AUTHOR("Sony Computer Entertainment Inc.");
1295 MODULE_ALIAS(PS3_MODULE_ALIAS_GRAPHICS);