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 #define FIRST_NATIVE_MODE_INDEX 10
 150
 151 static const struct fb_videomode ps3fb_modedb[] = {
 152     /* 60 Hz broadcast modes (modes "1" to "5") */
 153     {
 154         /* 480i */
 155         "480i", 60, 576, 384, 74074, 130, 89, 78, 57, 63, 6,
 156         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 157     },    {
 158         /* 480p */
 159         "480p", 60, 576, 384, 37037, 130, 89, 78, 57, 63, 6,
 160         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 161     },    {
 162         /* 720p */
 163         "720p", 60, 1124, 644, 13481, 298, 148, 57, 44, 80, 5,
 164         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 165     },    {
 166         /* 1080i */
 167         "1080i", 60, 1688, 964, 13481, 264, 160, 94, 62, 88, 5,
 168         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 169     },    {
 170         /* 1080p */
 171         "1080p", 60, 1688, 964, 6741, 264, 160, 94, 62, 88, 5,
 172         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 173     },
 174
 175     /* 50 Hz broadcast modes (modes "6" to "10") */
 176     {
 177         /* 576i */
 178         "576i", 50, 576, 460, 74074, 142, 83, 97, 63, 63, 5,
 179         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 180     },    {
 181         /* 576p */
 182         "576p", 50, 576, 460, 37037, 142, 83, 97, 63, 63, 5,
 183         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 184     },    {
 185         /* 720p */
 186         "720p", 50, 1124, 644, 13468, 298, 478, 57, 44, 80, 5,
 187         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 188     },    {
 189         /* 1080 */
 190         "1080i", 50, 1688, 964, 13468, 264, 600, 94, 62, 88, 5,
 191         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 192     },    {
 193         /* 1080p */
 194         "1080p", 50, 1688, 964, 6734, 264, 600, 94, 62, 88, 5,
 195         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 196     },
 197
 198     [FIRST_NATIVE_MODE_INDEX] =
 199     /* 60 Hz broadcast modes (full resolution versions of modes "1" to "5") */
 200     {
 201         /* 480if */
 202         "480if", 60, 720, 480, 74074, 58, 17, 30, 9, 63, 6,
 203         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 204     }, {
 205         /* 480pf */
 206         "480pf", 60, 720, 480, 37037, 58, 17, 30, 9, 63, 6,
 207         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 208     }, {
 209         /* 720pf */
 210         "720pf", 60, 1280, 720, 13481, 220, 70, 19, 6, 80, 5,
 211         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 212     }, {
 213         /* 1080if */
 214         "1080if", 60, 1920, 1080, 13481, 148, 44, 36, 4, 88, 5,
 215         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 216     }, {
 217         /* 1080pf */
 218         "1080pf", 60, 1920, 1080, 6741, 148, 44, 36, 4, 88, 5,
 219         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 220     },
 221
 222     /* 50 Hz broadcast modes (full resolution versions of modes "6" to "10") */
 223     {
 224         /* 576if */
 225         "576if", 50, 720, 576, 74074, 70, 11, 39, 5, 63, 5,
 226         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 227     }, {
 228         /* 576pf */
 229         "576pf", 50, 720, 576, 37037, 70, 11, 39, 5, 63, 5,
 230         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 231     }, {
 232         /* 720pf */
 233         "720pf", 50, 1280, 720, 13468, 220, 400, 19, 6, 80, 5,
 234         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 235     }, {
 236         /* 1080if */
 237         "1080f", 50, 1920, 1080, 13468, 148, 484, 36, 4, 88, 5,
 238         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 239     }, {
 240         /* 1080pf */
 241         "1080pf", 50, 1920, 1080, 6734, 148, 484, 36, 4, 88, 5,
 242         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 243     },
 244
 245     /* VESA modes (modes "11" to "13") */
 246     {
 247         /* WXGA */
 248         "wxga", 60, 1280, 768, 12924, 160, 24, 29, 3, 136, 6,
 249         0, FB_VMODE_NONINTERLACED,
 250         FB_MODE_IS_VESA
 251     }, {
 252         /* SXGA */
 253         "sxga", 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3,
 254         FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED,
 255         FB_MODE_IS_VESA
 256     }, {
 257         /* WUXGA */
 258         "wuxga", 60, 1920, 1200, 6494, 80, 48, 26, 3, 32, 6,
 259         FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED,
 260         FB_MODE_IS_VESA
 261     }
 262 };
 263
 264
 265 #define HEAD_A
 266 #define HEAD_B
 267
 268 #define BPP             4                       /* number of bytes per pixel */
 269
 270
 271 static int ps3fb_mode;
 272 module_param(ps3fb_mode, int, 0);
 273
 274 static char *mode_option __devinitdata;
 275
 276 static int ps3fb_cmp_mode(const struct fb_videomode *vmode,
 277                           const struct fb_var_screeninfo *var)
 278 {
 279         /* resolution + black border must match a native resolution */
 280         if (vmode->left_margin + vmode->xres + vmode->right_margin !=
 281             var->left_margin + var->xres + var->right_margin ||
 282             vmode->upper_margin + vmode->yres + vmode->lower_margin !=
 283             var->upper_margin + var->yres + var->lower_margin)
 284                 return -1;
 285
 286         /* minimum limits for margins */
 287         if (vmode->left_margin > var->left_margin ||
 288             vmode->right_margin > var->right_margin ||
 289             vmode->upper_margin > var->upper_margin ||
 290             vmode->lower_margin > var->lower_margin)
 291                 return -1;
 292
 293         /* these fields must match exactly */
 294         if (vmode->pixclock != var->pixclock ||
 295             vmode->hsync_len != var->hsync_len ||
 296             vmode->vsync_len != var->vsync_len ||
 297             vmode->sync != var->sync ||
 298             vmode->vmode != (var->vmode & FB_VMODE_MASK))
 299                 return -1;
 300
 301         return 0;
 302 }
 303
 304 static const struct fb_videomode *ps3fb_native_vmode(enum ps3av_mode_num id)
 305 {
 306         return &ps3fb_modedb[FIRST_NATIVE_MODE_INDEX + id - 1];
 307 }
 308
 309 static const struct fb_videomode *ps3fb_vmode(int id)
 310 {
 311         u32 mode = id & PS3AV_MODE_MASK;
 312
 313         if (mode < PS3AV_MODE_480I || mode > PS3AV_MODE_WUXGA)
 314                 return NULL;
 315
 316         if (mode <= PS3AV_MODE_1080P50 && !(id & PS3AV_MODE_FULL)) {
 317                 /* Non-fullscreen broadcast mode */
 318                 return &ps3fb_modedb[mode - 1];
 319         }
 320
 321         return ps3fb_native_vmode(mode);
 322 }
 323
 324 static unsigned int ps3fb_find_mode(struct fb_var_screeninfo *var,
 325                                     u32 *ddr_line_length, u32 *xdr_line_length)
 326 {
 327         unsigned int id;
 328         const struct fb_videomode *vmode;
 329
 330         for (id = PS3AV_MODE_480I; id <= PS3AV_MODE_WUXGA; id++) {
 331                 vmode = ps3fb_native_vmode(id);
 332                 if (!ps3fb_cmp_mode(vmode, var))
 333                         goto found;
 334         }
 335
 336         pr_debug("%s: mode not found\n", __func__);
 337         return 0;
 338
 339 found:
 340         *ddr_line_length = vmode->xres * BPP;
 341
 342         if (!var->xres) {
 343                 var->xres = 1;
 344                 var->right_margin--;
 345         }
 346         if (!var->yres) {
 347                 var->yres = 1;
 348                 var->lower_margin--;
 349         }
 350
 351         if (ps3_compare_firmware_version(1, 9, 0) >= 0) {
 352                 *xdr_line_length = GPU_ALIGN_UP(max(var->xres,
 353                                                     var->xres_virtual) * BPP);
 354                 if (*xdr_line_length > GPU_MAX_LINE_LENGTH)
 355                         *xdr_line_length = GPU_MAX_LINE_LENGTH;
 356         } else
 357                 *xdr_line_length = *ddr_line_length;
 358
 359         if (vmode->sync & FB_SYNC_BROADCAST) {
 360                 /* Full broadcast modes have the full mode bit set */
 361                 if (vmode->xres == var->xres && vmode->yres == var->yres)
 362                         id |= PS3AV_MODE_FULL;
 363         }
 364
 365         pr_debug("%s: mode %u\n", __func__, id);
 366         return id;
 367 }
 368
 369 static void ps3fb_sync_image(struct device *dev, u64 frame_offset,
 370                              u64 dst_offset, u64 src_offset, u32 width,
 371                              u32 height, u32 dst_line_length,
 372                              u32 src_line_length)
 373 {
 374         int status;
 375         u64 line_length;
 376
 377         line_length = dst_line_length;
 378         if (src_line_length != dst_line_length)
 379                 line_length |= (u64)src_line_length << 32;
 380
 381         src_offset += GPU_FB_START;
 382         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 383                                            L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT,
 384                                            dst_offset, GPU_IOIF + src_offset,
 385                                            L1GPU_FB_BLIT_WAIT_FOR_COMPLETION |
 386                                            (width << 16) | height,
 387                                            line_length);
 388         if (status)
 389                 dev_err(dev,
 390                         "%s: lv1_gpu_context_attribute FB_BLIT failed: %d\n",
 391                         __func__, status);
 392 #ifdef HEAD_A
 393         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 394                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
 395                                            0, frame_offset, 0, 0);
 396         if (status)
 397                 dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
 398                         __func__, status);
 399 #endif
 400 #ifdef HEAD_B
 401         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 402                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
 403                                            1, frame_offset, 0, 0);
 404         if (status)
 405                 dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
 406                         __func__, status);
 407 #endif
 408 }
 409
 410 static int ps3fb_sync(struct fb_info *info, u32 frame)
 411 {
 412         struct ps3fb_par *par = info->par;
 413         int error = 0;
 414         u64 ddr_base, xdr_base;
 415
 416         if (frame > par->num_frames - 1) {
 417                 dev_dbg(info->device, "%s: invalid frame number (%u)\n",
 418                         __func__, frame);
 419                 error = -EINVAL;
 420                 goto out;
 421         }
 422
 423         xdr_base = frame * par->xdr_frame_size;
 424         ddr_base = frame * par->ddr_frame_size;
 425
 426         ps3fb_sync_image(info->device, ddr_base + par->full_offset,
 427                          ddr_base + par->fb_offset, xdr_base + par->pan_offset,
 428                          par->width, par->height, par->ddr_line_length,
 429                          info->fix.line_length);
 430
 431 out:
 432         return error;
 433 }
 434
 435 static int ps3fb_open(struct fb_info *info, int user)
 436 {
 437         atomic_inc(&ps3fb.f_count);
 438         return 0;
 439 }
 440
 441 static int ps3fb_release(struct fb_info *info, int user)
 442 {
 443         if (atomic_dec_and_test(&ps3fb.f_count)) {
 444                 if (atomic_read(&ps3fb.ext_flip)) {
 445                         atomic_set(&ps3fb.ext_flip, 0);
 446                         if (!try_acquire_console_sem()) {
 447                                 ps3fb_sync(info, 0);    /* single buffer */
 448                                 release_console_sem();
 449                         }
 450                 }
 451         }
 452         return 0;
 453 }
 454
 455     /*
 456      *  Setting the video mode has been split into two parts.
 457      *  First part, xxxfb_check_var, must not write anything
 458      *  to hardware, it should only verify and adjust var.
 459      *  This means it doesn't alter par but it does use hardware
 460      *  data from it to check this var.
 461      */
 462
 463 static int ps3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 464 {
 465         u32 xdr_line_length, ddr_line_length;
 466         int mode;
 467
 468         dev_dbg(info->device, "var->xres:%u info->var.xres:%u\n", var->xres,
 469                 info->var.xres);
 470         dev_dbg(info->device, "var->yres:%u info->var.yres:%u\n", var->yres,
 471                 info->var.yres);
 472
 473         /* FIXME For now we do exact matches only */
 474         mode = ps3fb_find_mode(var, &ddr_line_length, &xdr_line_length);
 475         if (!mode)
 476                 return -EINVAL;
 477
 478         /* Virtual screen */
 479         if (var->xres_virtual < var->xres)
 480                 var->xres_virtual = var->xres;
 481         if (var->yres_virtual < var->yres)
 482                 var->yres_virtual = var->yres;
 483
 484         if (var->xres_virtual > xdr_line_length / BPP) {
 485                 dev_dbg(info->device,
 486                         "Horizontal virtual screen size too large\n");
 487                 return -EINVAL;
 488         }
 489
 490         if (var->xoffset + var->xres > var->xres_virtual ||
 491             var->yoffset + var->yres > var->yres_virtual) {
 492                 dev_dbg(info->device, "panning out-of-range\n");
 493                 return -EINVAL;
 494         }
 495
 496         /* We support ARGB8888 only */
 497         if (var->bits_per_pixel > 32 || var->grayscale ||
 498             var->red.offset > 16 || var->green.offset > 8 ||
 499             var->blue.offset > 0 || var->transp.offset > 24 ||
 500             var->red.length > 8 || var->green.length > 8 ||
 501             var->blue.length > 8 || var->transp.length > 8 ||
 502             var->red.msb_right || var->green.msb_right ||
 503             var->blue.msb_right || var->transp.msb_right || var->nonstd) {
 504                 dev_dbg(info->device, "We support ARGB8888 only\n");
 505                 return -EINVAL;
 506         }
 507
 508         var->bits_per_pixel = 32;
 509         var->red.offset = 16;
 510         var->green.offset = 8;
 511         var->blue.offset = 0;
 512         var->transp.offset = 24;
 513         var->red.length = 8;
 514         var->green.length = 8;
 515         var->blue.length = 8;
 516         var->transp.length = 8;
 517         var->red.msb_right = 0;
 518         var->green.msb_right = 0;
 519         var->blue.msb_right = 0;
 520         var->transp.msb_right = 0;
 521
 522         /* Rotation is not supported */
 523         if (var->rotate) {
 524                 dev_dbg(info->device, "Rotation is not supported\n");
 525                 return -EINVAL;
 526         }
 527
 528         /* Memory limit */
 529         if (var->yres_virtual * xdr_line_length > ps3fb.xdr_size) {
 530                 dev_dbg(info->device, "Not enough memory\n");
 531                 return -ENOMEM;
 532         }
 533
 534         var->height = -1;
 535         var->width = -1;
 536
 537         return 0;
 538 }
 539
 540     /*
 541      * This routine actually sets the video mode.
 542      */
 543
 544 static int ps3fb_set_par(struct fb_info *info)
 545 {
 546         struct ps3fb_par *par = info->par;
 547         unsigned int mode, ddr_line_length, xdr_line_length, lines, maxlines;
 548         unsigned int ddr_xoff, ddr_yoff, offset;
 549         const struct fb_videomode *vmode;
 550         u64 dst;
 551
 552         dev_dbg(info->device, "xres:%d xv:%d yres:%d yv:%d clock:%d\n",
 553                 info->var.xres, info->var.xres_virtual,
 554                 info->var.yres, info->var.yres_virtual, info->var.pixclock);
 555
 556         mode = ps3fb_find_mode(&info->var, &ddr_line_length, &xdr_line_length);
 557         if (!mode)
 558                 return -EINVAL;
 559
 560         vmode = ps3fb_native_vmode(mode & PS3AV_MODE_MASK);
 561
 562         info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea);
 563         info->fix.smem_len = ps3fb.xdr_size;
 564         info->fix.xpanstep = info->var.xres_virtual > info->var.xres ? 1 : 0;
 565         info->fix.ypanstep = info->var.yres_virtual > info->var.yres ? 1 : 0;
 566         info->fix.line_length = xdr_line_length;
 567
 568         info->screen_base = (char __iomem *)ps3fb.xdr_ea;
 569
 570         par->ddr_line_length = ddr_line_length;
 571         par->ddr_frame_size = vmode->yres * ddr_line_length;
 572         par->xdr_frame_size = info->var.yres_virtual * xdr_line_length;
 573
 574         par->num_frames = ps3fb.xdr_size /
 575                           max(par->ddr_frame_size, par->xdr_frame_size);
 576
 577         /* Keep the special bits we cannot set using fb_var_screeninfo */
 578         par->new_mode_id = (par->new_mode_id & ~PS3AV_MODE_MASK) | mode;
 579
 580         par->width = info->var.xres;
 581         par->height = info->var.yres;
 582
 583         /* Start of the virtual frame buffer (relative to fullscreen) */
 584         ddr_xoff = info->var.left_margin - vmode->left_margin;
 585         ddr_yoff = info->var.upper_margin - vmode->upper_margin;
 586         offset = ddr_yoff * ddr_line_length + ddr_xoff * BPP;
 587
 588         par->fb_offset = GPU_ALIGN_UP(offset);
 589         par->full_offset = par->fb_offset - offset;
 590         par->pan_offset = info->var.yoffset * xdr_line_length +
 591                           info->var.xoffset * BPP;
 592
 593         if (par->new_mode_id != par->mode_id) {
 594                 if (ps3av_set_video_mode(par->new_mode_id)) {
 595                         par->new_mode_id = par->mode_id;
 596                         return -EINVAL;
 597                 }
 598                 par->mode_id = par->new_mode_id;
 599         }
 600
 601         /* Clear XDR frame buffer memory */
 602         memset(ps3fb.xdr_ea, 0, ps3fb.xdr_size);
 603
 604         /* Clear DDR frame buffer memory */
 605         lines = vmode->yres * par->num_frames;
 606         if (par->full_offset)
 607                 lines++;
 608         maxlines = ps3fb.xdr_size / ddr_line_length;
 609         for (dst = 0; lines; dst += maxlines * ddr_line_length) {
 610                 unsigned int l = min(lines, maxlines);
 611                 ps3fb_sync_image(info->device, 0, dst, 0, vmode->xres, l,
 612                                  ddr_line_length, ddr_line_length);
 613                 lines -= l;
 614         }
 615
 616         return 0;
 617 }
 618
 619     /*
 620      *  Set a single color register. The values supplied are already
 621      *  rounded down to the hardware's capabilities (according to the
 622      *  entries in the var structure). Return != 0 for invalid regno.
 623      */
 624
 625 static int ps3fb_setcolreg(unsigned int regno, unsigned int red,
 626                            unsigned int green, unsigned int blue,
 627                            unsigned int transp, struct fb_info *info)
 628 {
 629         if (regno >= 16)
 630                 return 1;
 631
 632         red >>= 8;
 633         green >>= 8;
 634         blue >>= 8;
 635         transp >>= 8;
 636
 637         ((u32 *)info->pseudo_palette)[regno] = transp << 24 | red << 16 |
 638                                                green << 8 | blue;
 639         return 0;
 640 }
 641
 642 static int ps3fb_pan_display(struct fb_var_screeninfo *var,
 643                              struct fb_info *info)
 644 {
 645         struct ps3fb_par *par = info->par;
 646
 647         par->pan_offset = var->yoffset * info->fix.line_length +
 648                           var->xoffset * BPP;
 649         return 0;
 650 }
 651
 652     /*
 653      *  As we have a virtual frame buffer, we need our own mmap function
 654      */
 655
 656 static int ps3fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
 657 {
 658         unsigned long size, offset;
 659
 660         size = vma->vm_end - vma->vm_start;
 661         offset = vma->vm_pgoff << PAGE_SHIFT;
 662         if (offset + size > info->fix.smem_len)
 663                 return -EINVAL;
 664
 665         offset += info->fix.smem_start;
 666         if (remap_pfn_range(vma, vma->vm_start, offset >> PAGE_SHIFT,
 667                             size, vma->vm_page_prot))
 668                 return -EAGAIN;
 669
 670         dev_dbg(info->device, "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n",
 671                 offset, vma->vm_start);
 672         return 0;
 673 }
 674
 675     /*
 676      * Blank the display
 677      */
 678
 679 static int ps3fb_blank(int blank, struct fb_info *info)
 680 {
 681         int retval;
 682
 683         dev_dbg(info->device, "%s: blank:%d\n", __func__, blank);
 684         switch (blank) {
 685         case FB_BLANK_POWERDOWN:
 686         case FB_BLANK_HSYNC_SUSPEND:
 687         case FB_BLANK_VSYNC_SUSPEND:
 688         case FB_BLANK_NORMAL:
 689                 retval = ps3av_video_mute(1);   /* mute on */
 690                 if (!retval)
 691                         ps3fb.is_blanked = 1;
 692                 break;
 693
 694         default:                /* unblank */
 695                 retval = ps3av_video_mute(0);   /* mute off */
 696                 if (!retval)
 697                         ps3fb.is_blanked = 0;
 698                 break;
 699         }
 700         return retval;
 701 }
 702
 703 static int ps3fb_get_vblank(struct fb_vblank *vblank)
 704 {
 705         memset(vblank, 0, sizeof(*vblank));
 706         vblank->flags = FB_VBLANK_HAVE_VSYNC;
 707         return 0;
 708 }
 709
 710 static int ps3fb_wait_for_vsync(u32 crtc)
 711 {
 712         int ret;
 713         u64 count;
 714
 715         count = ps3fb.vblank_count;
 716         ret = wait_event_interruptible_timeout(ps3fb.wait_vsync,
 717                                                count != ps3fb.vblank_count,
 718                                                HZ / 10);
 719         if (!ret)
 720                 return -ETIMEDOUT;
 721
 722         return 0;
 723 }
 724
 725 static void ps3fb_flip_ctl(int on, void *data)
 726 {
 727         struct ps3fb_priv *priv = data;
 728         if (on)
 729                 atomic_dec_if_positive(&priv->ext_flip);
 730         else
 731                 atomic_inc(&priv->ext_flip);
 732 }
 733
 734
 735     /*
 736      * ioctl
 737      */
 738
 739 static int ps3fb_ioctl(struct fb_info *info, unsigned int cmd,
 740                        unsigned long arg)
 741 {
 742         void __user *argp = (void __user *)arg;
 743         u32 val;
 744         int retval = -EFAULT;
 745
 746         switch (cmd) {
 747         case FBIOGET_VBLANK:
 748                 {
 749                         struct fb_vblank vblank;
 750                         dev_dbg(info->device, "FBIOGET_VBLANK:\n");
 751                         retval = ps3fb_get_vblank(&vblank);
 752                         if (retval)
 753                                 break;
 754
 755                         if (copy_to_user(argp, &vblank, sizeof(vblank)))
 756                                 retval = -EFAULT;
 757                         break;
 758                 }
 759
 760         case FBIO_WAITFORVSYNC:
 761                 {
 762                         u32 crt;
 763                         dev_dbg(info->device, "FBIO_WAITFORVSYNC:\n");
 764                         if (get_user(crt, (u32 __user *) arg))
 765                                 break;
 766
 767                         retval = ps3fb_wait_for_vsync(crt);
 768                         break;
 769                 }
 770
 771         case PS3FB_IOCTL_SETMODE:
 772                 {
 773                         struct ps3fb_par *par = info->par;
 774                         const struct fb_videomode *vmode;
 775                         struct fb_var_screeninfo var;
 776
 777                         if (copy_from_user(&val, argp, sizeof(val)))
 778                                 break;
 779
 780                         if (!(val & PS3AV_MODE_MASK)) {
 781                                 u32 id = ps3av_get_auto_mode();
 782                                 if (id > 0)
 783                                         val = (val & ~PS3AV_MODE_MASK) | id;
 784                         }
 785                         dev_dbg(info->device, "PS3FB_IOCTL_SETMODE:%x\n", val);
 786                         retval = -EINVAL;
 787                         vmode = ps3fb_vmode(val);
 788                         if (vmode) {
 789                                 var = info->var;
 790                                 fb_videomode_to_var(&var, vmode);
 791                                 acquire_console_sem();
 792                                 info->flags |= FBINFO_MISC_USEREVENT;
 793                                 /* Force, in case only special bits changed */
 794                                 var.activate |= FB_ACTIVATE_FORCE;
 795                                 par->new_mode_id = val;
 796                                 retval = fb_set_var(info, &var);
 797                                 info->flags &= ~FBINFO_MISC_USEREVENT;
 798                                 release_console_sem();
 799                         }
 800                         break;
 801                 }
 802
 803         case PS3FB_IOCTL_GETMODE:
 804                 val = ps3av_get_mode();
 805                 dev_dbg(info->device, "PS3FB_IOCTL_GETMODE:%x\n", val);
 806                 if (!copy_to_user(argp, &val, sizeof(val)))
 807                         retval = 0;
 808                 break;
 809
 810         case PS3FB_IOCTL_SCREENINFO:
 811                 {
 812                         struct ps3fb_par *par = info->par;
 813                         struct ps3fb_ioctl_res res;
 814                         dev_dbg(info->device, "PS3FB_IOCTL_SCREENINFO:\n");
 815                         res.xres = info->fix.line_length / BPP;
 816                         res.yres = info->var.yres_virtual;
 817                         res.xoff = (res.xres - info->var.xres) / 2;
 818                         res.yoff = (res.yres - info->var.yres) / 2;
 819                         res.num_frames = par->num_frames;
 820                         if (!copy_to_user(argp, &res, sizeof(res)))
 821                                 retval = 0;
 822                         break;
 823                 }
 824
 825         case PS3FB_IOCTL_ON:
 826                 dev_dbg(info->device, "PS3FB_IOCTL_ON:\n");
 827                 atomic_inc(&ps3fb.ext_flip);
 828                 retval = 0;
 829                 break;
 830
 831         case PS3FB_IOCTL_OFF:
 832                 dev_dbg(info->device, "PS3FB_IOCTL_OFF:\n");
 833                 atomic_dec_if_positive(&ps3fb.ext_flip);
 834                 retval = 0;
 835                 break;
 836
 837         case PS3FB_IOCTL_FSEL:
 838                 if (copy_from_user(&val, argp, sizeof(val)))
 839                         break;
 840
 841                 dev_dbg(info->device, "PS3FB_IOCTL_FSEL:%d\n", val);
 842                 acquire_console_sem();
 843                 retval = ps3fb_sync(info, val);
 844                 release_console_sem();
 845                 break;
 846
 847         default:
 848                 retval = -ENOIOCTLCMD;
 849                 break;
 850         }
 851         return retval;
 852 }
 853
 854 static int ps3fbd(void *arg)
 855 {
 856         struct fb_info *info = arg;
 857
 858         set_freezable();
 859         while (!kthread_should_stop()) {
 860                 try_to_freeze();
 861                 set_current_state(TASK_INTERRUPTIBLE);
 862                 if (ps3fb.is_kicked) {
 863                         ps3fb.is_kicked = 0;
 864                         acquire_console_sem();
 865                         ps3fb_sync(info, 0);    /* single buffer */
 866                         release_console_sem();
 867                 }
 868                 schedule();
 869         }
 870         return 0;
 871 }
 872
 873 static irqreturn_t ps3fb_vsync_interrupt(int irq, void *ptr)
 874 {
 875         struct device *dev = ptr;
 876         u64 v1;
 877         int status;
 878         struct display_head *head = &ps3fb.dinfo->display_head[1];
 879
 880         status = lv1_gpu_context_intr(ps3fb.context_handle, &v1);
 881         if (status) {
 882                 dev_err(dev, "%s: lv1_gpu_context_intr failed: %d\n", __func__,
 883                         status);
 884                 return IRQ_NONE;
 885         }
 886
 887         if (v1 & (1 << GPU_INTR_STATUS_VSYNC_1)) {
 888                 /* VSYNC */
 889                 ps3fb.vblank_count = head->vblank_count;
 890                 if (ps3fb.task && !ps3fb.is_blanked &&
 891                     !atomic_read(&ps3fb.ext_flip)) {
 892                         ps3fb.is_kicked = 1;
 893                         wake_up_process(ps3fb.task);
 894                 }
 895                 wake_up_interruptible(&ps3fb.wait_vsync);
 896         }
 897
 898         return IRQ_HANDLED;
 899 }
 900
 901
 902 static int ps3fb_vsync_settings(struct gpu_driver_info *dinfo,
 903                                 struct device *dev)
 904 {
 905         int error;
 906
 907         dev_dbg(dev, "version_driver:%x\n", dinfo->version_driver);
 908         dev_dbg(dev, "irq outlet:%x\n", dinfo->irq.irq_outlet);
 909         dev_dbg(dev,
 910                 "version_gpu: %x memory_size: %x ch: %x core_freq: %d "
 911                 "mem_freq:%d\n",
 912                 dinfo->version_gpu, dinfo->memory_size, dinfo->hardware_channel,
 913                 dinfo->nvcore_frequency/1000000, dinfo->memory_frequency/1000000);
 914
 915         if (dinfo->version_driver != GPU_DRIVER_INFO_VERSION) {
 916                 dev_err(dev, "%s: version_driver err:%x\n", __func__,
 917                         dinfo->version_driver);
 918                 return -EINVAL;
 919         }
 920
 921         error = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet,
 922                                    &ps3fb.irq_no);
 923         if (error) {
 924                 dev_err(dev, "%s: ps3_alloc_irq failed %d\n", __func__, error);
 925                 return error;
 926         }
 927
 928         error = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt, IRQF_DISABLED,
 929                             DEVICE_NAME, dev);
 930         if (error) {
 931                 dev_err(dev, "%s: request_irq failed %d\n", __func__, error);
 932                 ps3_irq_plug_destroy(ps3fb.irq_no);
 933                 return error;
 934         }
 935
 936         dinfo->irq.mask = (1 << GPU_INTR_STATUS_VSYNC_1) |
 937                           (1 << GPU_INTR_STATUS_FLIP_1);
 938         return 0;
 939 }
 940
 941 static int ps3fb_xdr_settings(u64 xdr_lpar, struct device *dev)
 942 {
 943         int status;
 944
 945         status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF,
 946                                        xdr_lpar, ps3fb_videomemory.size, 0);
 947         if (status) {
 948                 dev_err(dev, "%s: lv1_gpu_context_iomap failed: %d\n",
 949                         __func__, status);
 950                 return -ENXIO;
 951         }
 952         dev_dbg(dev,
 953                 "video:%p xdr_ea:%p ioif:%lx lpar:%lx phys:%lx size:%lx\n",
 954                 ps3fb_videomemory.address, ps3fb.xdr_ea, GPU_IOIF, xdr_lpar,
 955                 virt_to_abs(ps3fb.xdr_ea), ps3fb_videomemory.size);
 956
 957         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 958                                            L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP,
 959                                            xdr_lpar, GPU_CMD_BUF_SIZE,
 960                                            GPU_IOIF, 0);
 961         if (status) {
 962                 dev_err(dev,
 963                         "%s: lv1_gpu_context_attribute FB_SETUP failed: %d\n",
 964                         __func__, status);
 965                 return -ENXIO;
 966         }
 967         return 0;
 968 }
 969
 970 static struct fb_ops ps3fb_ops = {
 971         .fb_open        = ps3fb_open,
 972         .fb_release     = ps3fb_release,
 973         .fb_read        = fb_sys_read,
 974         .fb_write       = fb_sys_write,
 975         .fb_check_var   = ps3fb_check_var,
 976         .fb_set_par     = ps3fb_set_par,
 977         .fb_setcolreg   = ps3fb_setcolreg,
 978         .fb_pan_display = ps3fb_pan_display,
 979         .fb_fillrect    = sys_fillrect,
 980         .fb_copyarea    = sys_copyarea,
 981         .fb_imageblit   = sys_imageblit,
 982         .fb_mmap        = ps3fb_mmap,
 983         .fb_blank       = ps3fb_blank,
 984         .fb_ioctl       = ps3fb_ioctl,
 985         .fb_compat_ioctl = ps3fb_ioctl
 986 };
 987
 988 static struct fb_fix_screeninfo ps3fb_fix __initdata = {
 989         .id =           DEVICE_NAME,
 990         .type =         FB_TYPE_PACKED_PIXELS,
 991         .visual =       FB_VISUAL_TRUECOLOR,
 992         .accel =        FB_ACCEL_NONE,
 993 };
 994
 995 static int ps3fb_set_sync(struct device *dev)
 996 {
 997         int status;
 998
 999 #ifdef HEAD_A
1000         status = lv1_gpu_context_attribute(0x0,
1001                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
1002                                            0, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
1003         if (status) {
1004                 dev_err(dev,
1005                         "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
1006                         "%d\n",
1007                         __func__, status);
1008                 return -1;
1009         }
1010 #endif
1011 #ifdef HEAD_B
1012         status = lv1_gpu_context_attribute(0x0,
1013                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
1014                                            1, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
1015
1016         if (status) {
1017                 dev_err(dev,
1018                         "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
1019                         "%d\n",
1020                         __func__, status);
1021                 return -1;
1022         }
1023 #endif
1024         return 0;
1025 }
1026
1027 static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev)
1028 {
1029         struct fb_info *info;
1030         struct ps3fb_par *par;
1031         int retval = -ENOMEM;
1032         u64 ddr_lpar = 0;
1033         u64 lpar_dma_control = 0;
1034         u64 lpar_driver_info = 0;
1035         u64 lpar_reports = 0;
1036         u64 lpar_reports_size = 0;
1037         u64 xdr_lpar;
1038         int status;
1039         struct task_struct *task;
1040         unsigned long max_ps3fb_size;
1041
1042         if (ps3fb_videomemory.size < GPU_CMD_BUF_SIZE) {
1043                 dev_err(&dev->core, "%s: Not enough video memory\n", __func__);
1044                 return -ENOMEM;
1045         }
1046
1047         status = ps3_open_hv_device(dev);
1048         if (status) {
1049                 dev_err(&dev->core, "%s: ps3_open_hv_device failed\n",
1050                         __func__);
1051                 goto err;
1052         }
1053
1054         if (!ps3fb_mode)
1055                 ps3fb_mode = ps3av_get_mode();
1056         dev_dbg(&dev->core, "ps3fb_mode: %d\n", ps3fb_mode);
1057
1058         atomic_set(&ps3fb.f_count, -1); /* fbcon opens ps3fb */
1059         atomic_set(&ps3fb.ext_flip, 0); /* for flip with vsync */
1060         init_waitqueue_head(&ps3fb.wait_vsync);
1061
1062         ps3fb_set_sync(&dev->core);
1063
1064         max_ps3fb_size = _ALIGN_UP(GPU_IOIF, 256*1024*1024) - GPU_IOIF;
1065         if (ps3fb_videomemory.size > max_ps3fb_size) {
1066                 dev_info(&dev->core, "Limiting ps3fb mem size to %lu bytes\n",
1067                          max_ps3fb_size);
1068                 ps3fb_videomemory.size = max_ps3fb_size;
1069         }
1070
1071         /* get gpu context handle */
1072         status = lv1_gpu_memory_allocate(ps3fb_videomemory.size, 0, 0, 0, 0,
1073                                          &ps3fb.memory_handle, &ddr_lpar);
1074         if (status) {
1075                 dev_err(&dev->core, "%s: lv1_gpu_memory_allocate failed: %d\n",
1076                         __func__, status);
1077                 goto err;
1078         }
1079         dev_dbg(&dev->core, "ddr:lpar:0x%lx\n", ddr_lpar);
1080
1081         status = lv1_gpu_context_allocate(ps3fb.memory_handle, 0,
1082                                           &ps3fb.context_handle,
1083                                           &lpar_dma_control, &lpar_driver_info,
1084                                           &lpar_reports, &lpar_reports_size);
1085         if (status) {
1086                 dev_err(&dev->core,
1087                         "%s: lv1_gpu_context_attribute failed: %d\n", __func__,
1088                         status);
1089                 goto err_gpu_memory_free;
1090         }
1091
1092         /* vsync interrupt */
1093         ps3fb.dinfo = ioremap(lpar_driver_info, 128 * 1024);
1094         if (!ps3fb.dinfo) {
1095                 dev_err(&dev->core, "%s: ioremap failed\n", __func__);
1096                 goto err_gpu_context_free;
1097         }
1098
1099         retval = ps3fb_vsync_settings(ps3fb.dinfo, &dev->core);
1100         if (retval)
1101                 goto err_iounmap_dinfo;
1102
1103         /* XDR frame buffer */
1104         ps3fb.xdr_ea = ps3fb_videomemory.address;
1105         xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb.xdr_ea));
1106
1107         /* Clear memory to prevent kernel info leakage into userspace */
1108         memset(ps3fb.xdr_ea, 0, ps3fb_videomemory.size);
1109
1110         /*
1111          * The GPU command buffer is at the start of video memory
1112          * As we don't use the full command buffer, we can put the actual
1113          * frame buffer at offset GPU_FB_START and save some precious XDR
1114          * memory
1115          */
1116         ps3fb.xdr_ea += GPU_FB_START;
1117         ps3fb.xdr_size = ps3fb_videomemory.size - GPU_FB_START;
1118
1119         retval = ps3fb_xdr_settings(xdr_lpar, &dev->core);
1120         if (retval)
1121                 goto err_free_irq;
1122
1123         info = framebuffer_alloc(sizeof(struct ps3fb_par), &dev->core);
1124         if (!info)
1125                 goto err_free_irq;
1126
1127         par = info->par;
1128         par->mode_id = ~ps3fb_mode;     /* != ps3fb_mode, to trigger change */
1129         par->new_mode_id = ps3fb_mode;
1130         par->num_frames = 1;
1131
1132         info->screen_base = (char __iomem *)ps3fb.xdr_ea;
1133         info->fbops = &ps3fb_ops;
1134
1135         info->fix = ps3fb_fix;
1136         info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea);
1137         info->fix.smem_len = ps3fb.xdr_size;
1138         info->pseudo_palette = par->pseudo_palette;
1139         info->flags = FBINFO_DEFAULT | FBINFO_READS_FAST |
1140                       FBINFO_HWACCEL_XPAN | FBINFO_HWACCEL_YPAN;
1141
1142         retval = fb_alloc_cmap(&info->cmap, 256, 0);
1143         if (retval < 0)
1144                 goto err_framebuffer_release;
1145
1146         if (!fb_find_mode(&info->var, info, mode_option, ps3fb_modedb,
1147                           ARRAY_SIZE(ps3fb_modedb),
1148                           ps3fb_vmode(par->new_mode_id), 32)) {
1149                 retval = -EINVAL;
1150                 goto err_fb_dealloc;
1151         }
1152
1153         fb_videomode_to_modelist(ps3fb_modedb, ARRAY_SIZE(ps3fb_modedb),
1154                                  &info->modelist);
1155
1156         retval = register_framebuffer(info);
1157         if (retval < 0)
1158                 goto err_fb_dealloc;
1159
1160         dev->core.driver_data = info;
1161
1162         dev_info(info->device, "%s %s, using %lu KiB of video memory\n",
1163                  dev_driver_string(info->dev), info->dev->bus_id,
1164                  ps3fb.xdr_size >> 10);
1165
1166         task = kthread_run(ps3fbd, info, DEVICE_NAME);
1167         if (IS_ERR(task)) {
1168                 retval = PTR_ERR(task);
1169                 goto err_unregister_framebuffer;
1170         }
1171
1172         ps3fb.task = task;
1173         ps3av_register_flip_ctl(ps3fb_flip_ctl, &ps3fb);
1174
1175         return 0;
1176
1177 err_unregister_framebuffer:
1178         unregister_framebuffer(info);
1179 err_fb_dealloc:
1180         fb_dealloc_cmap(&info->cmap);
1181 err_framebuffer_release:
1182         framebuffer_release(info);
1183 err_free_irq:
1184         free_irq(ps3fb.irq_no, &dev->core);
1185         ps3_irq_plug_destroy(ps3fb.irq_no);
1186 err_iounmap_dinfo:
1187         iounmap((u8 __iomem *)ps3fb.dinfo);
1188 err_gpu_context_free:
1189         lv1_gpu_context_free(ps3fb.context_handle);
1190 err_gpu_memory_free:
1191         lv1_gpu_memory_free(ps3fb.memory_handle);
1192 err:
1193         return retval;
1194 }
1195
1196 static int ps3fb_shutdown(struct ps3_system_bus_device *dev)
1197 {
1198         int status;
1199         struct fb_info *info = dev->core.driver_data;
1200
1201         dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
1202
1203         ps3fb_flip_ctl(0, &ps3fb);      /* flip off */
1204         ps3fb.dinfo->irq.mask = 0;
1205
1206         ps3av_register_flip_ctl(NULL, NULL);
1207         if (ps3fb.task) {
1208                 struct task_struct *task = ps3fb.task;
1209                 ps3fb.task = NULL;
1210                 kthread_stop(task);
1211         }
1212         if (ps3fb.irq_no) {
1213                 free_irq(ps3fb.irq_no, &dev->core);
1214                 ps3_irq_plug_destroy(ps3fb.irq_no);
1215         }
1216         if (info) {
1217                 unregister_framebuffer(info);
1218                 fb_dealloc_cmap(&info->cmap);
1219                 framebuffer_release(info);
1220                 info = dev->core.driver_data = NULL;
1221         }
1222         iounmap((u8 __iomem *)ps3fb.dinfo);
1223
1224         status = lv1_gpu_context_free(ps3fb.context_handle);
1225         if (status)
1226                 dev_dbg(&dev->core, "lv1_gpu_context_free failed: %d\n",
1227                         status);
1228
1229         status = lv1_gpu_memory_free(ps3fb.memory_handle);
1230         if (status)
1231                 dev_dbg(&dev->core, "lv1_gpu_memory_free failed: %d\n",
1232                         status);
1233
1234         ps3_close_hv_device(dev);
1235         dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
1236
1237         return 0;
1238 }
1239
1240 static struct ps3_system_bus_driver ps3fb_driver = {
1241         .match_id       = PS3_MATCH_ID_GRAPHICS,
1242         .core.name      = DEVICE_NAME,
1243         .core.owner     = THIS_MODULE,
1244         .probe          = ps3fb_probe,
1245         .remove         = ps3fb_shutdown,
1246         .shutdown       = ps3fb_shutdown,
1247 };
1248
1249 static int __init ps3fb_setup(void)
1250 {
1251         char *options;
1252
1253 #ifdef MODULE
1254         return 0;
1255 #endif
1256
1257         if (fb_get_options(DEVICE_NAME, &options))
1258                 return -ENXIO;
1259
1260         if (!options || !*options)
1261                 return 0;
1262
1263         while (1) {
1264                 char *this_opt = strsep(&options, ",");
1265
1266                 if (!this_opt)
1267                         break;
1268                 if (!*this_opt)
1269                         continue;
1270                 if (!strncmp(this_opt, "mode:", 5))
1271                         ps3fb_mode = simple_strtoul(this_opt + 5, NULL, 0);
1272                 else
1273                         mode_option = this_opt;
1274         }
1275         return 0;
1276 }
1277
1278 static int __init ps3fb_init(void)
1279 {
1280         if (!ps3fb_videomemory.address ||  ps3fb_setup())
1281                 return -ENXIO;
1282
1283         return ps3_system_bus_driver_register(&ps3fb_driver);
1284 }
1285
1286 static void __exit ps3fb_exit(void)
1287 {
1288         pr_debug(" -> %s:%d\n", __func__, __LINE__);
1289         ps3_system_bus_driver_unregister(&ps3fb_driver);
1290         pr_debug(" <- %s:%d\n", __func__, __LINE__);
1291 }
1292
1293 module_init(ps3fb_init);
1294 module_exit(ps3fb_exit);
1295
1296 MODULE_LICENSE("GPL");
1297 MODULE_DESCRIPTION("PS3 GPU Frame Buffer Driver");
1298 MODULE_AUTHOR("Sony Computer Entertainment Inc.");
1299 MODULE_ALIAS(PS3_MODULE_ALIAS_GRAPHICS);