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 unsigned int ps3fb_find_mode(const struct fb_var_screeninfo *var,
 274                                     u32 *ddr_line_length, u32 *xdr_line_length)
 275 {
 276         unsigned int i, fi, mode;
 277
 278         for (i = 0; i < ARRAY_SIZE(ps3fb_modedb); i++)
 279                 if (var->xres == ps3fb_modedb[i].xres &&
 280                     var->yres == ps3fb_modedb[i].yres &&
 281                     var->pixclock == ps3fb_modedb[i].pixclock &&
 282                     var->hsync_len == ps3fb_modedb[i].hsync_len &&
 283                     var->vsync_len == ps3fb_modedb[i].vsync_len &&
 284                     var->left_margin == ps3fb_modedb[i].left_margin &&
 285                     var->right_margin == ps3fb_modedb[i].right_margin &&
 286                     var->upper_margin == ps3fb_modedb[i].upper_margin &&
 287                     var->lower_margin == ps3fb_modedb[i].lower_margin &&
 288                     var->sync == ps3fb_modedb[i].sync &&
 289                     (var->vmode & FB_VMODE_MASK) == ps3fb_modedb[i].vmode)
 290                         goto found;
 291
 292         pr_debug("ps3fb_find_mode: mode not found\n");
 293         return 0;
 294
 295 found:
 296         /* Cropped broadcast modes use the full line length */
 297         fi = i < PS3AV_MODE_1080P50 ? i + PS3AV_MODE_WUXGA : i;
 298         *ddr_line_length = ps3fb_modedb[fi].xres * BPP;
 299
 300         if (ps3_compare_firmware_version(1, 9, 0) >= 0) {
 301                 *xdr_line_length = GPU_ALIGN_UP(max(var->xres,
 302                                                     var->xres_virtual) * BPP);
 303                 if (*xdr_line_length > GPU_MAX_LINE_LENGTH)
 304                         *xdr_line_length = GPU_MAX_LINE_LENGTH;
 305         } else
 306                 *xdr_line_length = *ddr_line_length;
 307
 308         /* Full broadcast modes have the full mode bit set */
 309         mode = i+1;
 310         if (mode > PS3AV_MODE_WUXGA)
 311                 mode = (mode - PS3AV_MODE_WUXGA) | PS3AV_MODE_FULL;
 312
 313         pr_debug("ps3fb_find_mode: mode %u\n", mode);
 314
 315         return mode;
 316 }
 317
 318 static const struct fb_videomode *ps3fb_default_mode(int id)
 319 {
 320         u32 mode = id & PS3AV_MODE_MASK;
 321         u32 flags;
 322
 323         if (mode < PS3AV_MODE_480I || mode > PS3AV_MODE_WUXGA)
 324                 return NULL;
 325
 326         flags = id & ~PS3AV_MODE_MASK;
 327
 328         if (mode <= PS3AV_MODE_1080P50 && flags & PS3AV_MODE_FULL) {
 329                 /* Full broadcast mode */
 330                 return &ps3fb_modedb[mode + PS3AV_MODE_WUXGA - 1];
 331         }
 332
 333         return &ps3fb_modedb[mode - 1];
 334 }
 335
 336 static void ps3fb_sync_image(struct device *dev, u64 frame_offset,
 337                              u64 dst_offset, u64 src_offset, u32 width,
 338                              u32 height, u32 dst_line_length,
 339                              u32 src_line_length)
 340 {
 341         int status;
 342         u64 line_length;
 343
 344         line_length = dst_line_length;
 345         if (src_line_length != dst_line_length)
 346                 line_length |= (u64)src_line_length << 32;
 347
 348         src_offset += GPU_FB_START;
 349         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 350                                            L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT,
 351                                            dst_offset, GPU_IOIF + src_offset,
 352                                            L1GPU_FB_BLIT_WAIT_FOR_COMPLETION |
 353                                            (width << 16) | height,
 354                                            line_length);
 355         if (status)
 356                 dev_err(dev,
 357                         "%s: lv1_gpu_context_attribute FB_BLIT failed: %d\n",
 358                         __func__, status);
 359 #ifdef HEAD_A
 360         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 361                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
 362                                            0, frame_offset, 0, 0);
 363         if (status)
 364                 dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
 365                         __func__, status);
 366 #endif
 367 #ifdef HEAD_B
 368         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 369                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
 370                                            1, frame_offset, 0, 0);
 371         if (status)
 372                 dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
 373                         __func__, status);
 374 #endif
 375 }
 376
 377 static int ps3fb_sync(struct fb_info *info, u32 frame)
 378 {
 379         struct ps3fb_par *par = info->par;
 380         int error = 0;
 381         u64 ddr_base, xdr_base;
 382
 383         if (frame > par->num_frames - 1) {
 384                 dev_dbg(info->device, "%s: invalid frame number (%u)\n",
 385                         __func__, frame);
 386                 error = -EINVAL;
 387                 goto out;
 388         }
 389
 390         xdr_base = frame * par->xdr_frame_size;
 391         ddr_base = frame * par->ddr_frame_size;
 392
 393         ps3fb_sync_image(info->device, ddr_base + par->full_offset,
 394                          ddr_base + par->fb_offset, xdr_base + par->pan_offset,
 395                          par->width, par->height, par->ddr_line_length,
 396                          info->fix.line_length);
 397
 398 out:
 399         return error;
 400 }
 401
 402 static int ps3fb_open(struct fb_info *info, int user)
 403 {
 404         atomic_inc(&ps3fb.f_count);
 405         return 0;
 406 }
 407
 408 static int ps3fb_release(struct fb_info *info, int user)
 409 {
 410         if (atomic_dec_and_test(&ps3fb.f_count)) {
 411                 if (atomic_read(&ps3fb.ext_flip)) {
 412                         atomic_set(&ps3fb.ext_flip, 0);
 413                         if (!try_acquire_console_sem()) {
 414                                 ps3fb_sync(info, 0);    /* single buffer */
 415                                 release_console_sem();
 416                         }
 417                 }
 418         }
 419         return 0;
 420 }
 421
 422     /*
 423      *  Setting the video mode has been split into two parts.
 424      *  First part, xxxfb_check_var, must not write anything
 425      *  to hardware, it should only verify and adjust var.
 426      *  This means it doesn't alter par but it does use hardware
 427      *  data from it to check this var.
 428      */
 429
 430 static int ps3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 431 {
 432         u32 xdr_line_length, ddr_line_length;
 433         int mode;
 434
 435         dev_dbg(info->device, "var->xres:%u info->var.xres:%u\n", var->xres,
 436                 info->var.xres);
 437         dev_dbg(info->device, "var->yres:%u info->var.yres:%u\n", var->yres,
 438                 info->var.yres);
 439
 440         /* FIXME For now we do exact matches only */
 441         mode = ps3fb_find_mode(var, &ddr_line_length, &xdr_line_length);
 442         if (!mode)
 443                 return -EINVAL;
 444
 445         /* Virtual screen */
 446         if (var->xres_virtual < var->xres)
 447                 var->xres_virtual = var->xres;
 448         if (var->yres_virtual < var->yres)
 449                 var->yres_virtual = var->yres;
 450
 451         if (var->xres_virtual > xdr_line_length / BPP) {
 452                 dev_dbg(info->device,
 453                         "Horizontal virtual screen size too large\n");
 454                 return -EINVAL;
 455         }
 456
 457         if (var->xoffset + var->xres > var->xres_virtual ||
 458             var->yoffset + var->yres > var->yres_virtual) {
 459                 dev_dbg(info->device, "panning out-of-range\n");
 460                 return -EINVAL;
 461         }
 462
 463         /* We support ARGB8888 only */
 464         if (var->bits_per_pixel > 32 || var->grayscale ||
 465             var->red.offset > 16 || var->green.offset > 8 ||
 466             var->blue.offset > 0 || var->transp.offset > 24 ||
 467             var->red.length > 8 || var->green.length > 8 ||
 468             var->blue.length > 8 || var->transp.length > 8 ||
 469             var->red.msb_right || var->green.msb_right ||
 470             var->blue.msb_right || var->transp.msb_right || var->nonstd) {
 471                 dev_dbg(info->device, "We support ARGB8888 only\n");
 472                 return -EINVAL;
 473         }
 474
 475         var->bits_per_pixel = 32;
 476         var->red.offset = 16;
 477         var->green.offset = 8;
 478         var->blue.offset = 0;
 479         var->transp.offset = 24;
 480         var->red.length = 8;
 481         var->green.length = 8;
 482         var->blue.length = 8;
 483         var->transp.length = 8;
 484         var->red.msb_right = 0;
 485         var->green.msb_right = 0;
 486         var->blue.msb_right = 0;
 487         var->transp.msb_right = 0;
 488
 489         /* Rotation is not supported */
 490         if (var->rotate) {
 491                 dev_dbg(info->device, "Rotation is not supported\n");
 492                 return -EINVAL;
 493         }
 494
 495         /* Memory limit */
 496         if (var->yres_virtual * xdr_line_length > ps3fb.xdr_size) {
 497                 dev_dbg(info->device, "Not enough memory\n");
 498                 return -ENOMEM;
 499         }
 500
 501         var->height = -1;
 502         var->width = -1;
 503
 504         return 0;
 505 }
 506
 507     /*
 508      * This routine actually sets the video mode.
 509      */
 510
 511 static int ps3fb_set_par(struct fb_info *info)
 512 {
 513         struct ps3fb_par *par = info->par;
 514         unsigned int mode, ddr_line_length, xdr_line_length, lines, maxlines;
 515         unsigned int ddr_xoff, ddr_yoff, offset;
 516         const struct fb_videomode *vmode;
 517         u64 dst;
 518
 519         dev_dbg(info->device, "xres:%d xv:%d yres:%d yv:%d clock:%d\n",
 520                 info->var.xres, info->var.xres_virtual,
 521                 info->var.yres, info->var.yres_virtual, info->var.pixclock);
 522
 523         mode = ps3fb_find_mode(&info->var, &ddr_line_length, &xdr_line_length);
 524         if (!mode)
 525                 return -EINVAL;
 526
 527         vmode = ps3fb_default_mode(mode | PS3AV_MODE_FULL);
 528
 529         info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea);
 530         info->fix.smem_len = ps3fb.xdr_size;
 531         info->fix.xpanstep = info->var.xres_virtual > info->var.xres ? 1 : 0;
 532         info->fix.ypanstep = info->var.yres_virtual > info->var.yres ? 1 : 0;
 533         info->fix.line_length = xdr_line_length;
 534
 535         info->screen_base = (char __iomem *)ps3fb.xdr_ea;
 536
 537         par->ddr_line_length = ddr_line_length;
 538         par->ddr_frame_size = vmode->yres * ddr_line_length;
 539         par->xdr_frame_size = info->var.yres_virtual * xdr_line_length;
 540
 541         par->num_frames = ps3fb.xdr_size /
 542                           max(par->ddr_frame_size, par->xdr_frame_size);
 543
 544         /* Keep the special bits we cannot set using fb_var_screeninfo */
 545         par->new_mode_id = (par->new_mode_id & ~PS3AV_MODE_MASK) | mode;
 546
 547         par->width = info->var.xres;
 548         par->height = info->var.yres;
 549
 550         /* Start of the virtual frame buffer (relative to fullscreen) */
 551         ddr_xoff = info->var.left_margin - vmode->left_margin;
 552         ddr_yoff = info->var.upper_margin - vmode->upper_margin;
 553         offset = ddr_yoff * ddr_line_length + ddr_xoff * BPP;
 554
 555         par->fb_offset = GPU_ALIGN_UP(offset);
 556         par->full_offset = par->fb_offset - offset;
 557         par->pan_offset = info->var.yoffset * xdr_line_length +
 558                           info->var.xoffset * BPP;
 559
 560         if (par->new_mode_id != par->mode_id) {
 561                 if (ps3av_set_video_mode(par->new_mode_id)) {
 562                         par->new_mode_id = par->mode_id;
 563                         return -EINVAL;
 564                 }
 565                 par->mode_id = par->new_mode_id;
 566         }
 567
 568         /* Clear XDR frame buffer memory */
 569         memset(ps3fb.xdr_ea, 0, ps3fb.xdr_size);
 570
 571         /* Clear DDR frame buffer memory */
 572         lines = vmode->yres * par->num_frames;
 573         if (par->full_offset)
 574                 lines++;
 575         maxlines = ps3fb.xdr_size / ddr_line_length;
 576         for (dst = 0; lines; dst += maxlines * ddr_line_length) {
 577                 unsigned int l = min(lines, maxlines);
 578                 ps3fb_sync_image(info->device, 0, dst, 0, vmode->xres, l,
 579                                  ddr_line_length, ddr_line_length);
 580                 lines -= l;
 581         }
 582
 583         return 0;
 584 }
 585
 586     /*
 587      *  Set a single color register. The values supplied are already
 588      *  rounded down to the hardware's capabilities (according to the
 589      *  entries in the var structure). Return != 0 for invalid regno.
 590      */
 591
 592 static int ps3fb_setcolreg(unsigned int regno, unsigned int red,
 593                            unsigned int green, unsigned int blue,
 594                            unsigned int transp, struct fb_info *info)
 595 {
 596         if (regno >= 16)
 597                 return 1;
 598
 599         red >>= 8;
 600         green >>= 8;
 601         blue >>= 8;
 602         transp >>= 8;
 603
 604         ((u32 *)info->pseudo_palette)[regno] = transp << 24 | red << 16 |
 605                                                green << 8 | blue;
 606         return 0;
 607 }
 608
 609 static int ps3fb_pan_display(struct fb_var_screeninfo *var,
 610                              struct fb_info *info)
 611 {
 612         struct ps3fb_par *par = info->par;
 613
 614         par->pan_offset = var->yoffset * info->fix.line_length +
 615                           var->xoffset * BPP;
 616         return 0;
 617 }
 618
 619     /*
 620      *  As we have a virtual frame buffer, we need our own mmap function
 621      */
 622
 623 static int ps3fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
 624 {
 625         unsigned long size, offset;
 626
 627         size = vma->vm_end - vma->vm_start;
 628         offset = vma->vm_pgoff << PAGE_SHIFT;
 629         if (offset + size > info->fix.smem_len)
 630                 return -EINVAL;
 631
 632         offset += info->fix.smem_start;
 633         if (remap_pfn_range(vma, vma->vm_start, offset >> PAGE_SHIFT,
 634                             size, vma->vm_page_prot))
 635                 return -EAGAIN;
 636
 637         dev_dbg(info->device, "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n",
 638                 offset, vma->vm_start);
 639         return 0;
 640 }
 641
 642     /*
 643      * Blank the display
 644      */
 645
 646 static int ps3fb_blank(int blank, struct fb_info *info)
 647 {
 648         int retval;
 649
 650         dev_dbg(info->device, "%s: blank:%d\n", __func__, blank);
 651         switch (blank) {
 652         case FB_BLANK_POWERDOWN:
 653         case FB_BLANK_HSYNC_SUSPEND:
 654         case FB_BLANK_VSYNC_SUSPEND:
 655         case FB_BLANK_NORMAL:
 656                 retval = ps3av_video_mute(1);   /* mute on */
 657                 if (!retval)
 658                         ps3fb.is_blanked = 1;
 659                 break;
 660
 661         default:                /* unblank */
 662                 retval = ps3av_video_mute(0);   /* mute off */
 663                 if (!retval)
 664                         ps3fb.is_blanked = 0;
 665                 break;
 666         }
 667         return retval;
 668 }
 669
 670 static int ps3fb_get_vblank(struct fb_vblank *vblank)
 671 {
 672         memset(vblank, 0, sizeof(*vblank));
 673         vblank->flags = FB_VBLANK_HAVE_VSYNC;
 674         return 0;
 675 }
 676
 677 static int ps3fb_wait_for_vsync(u32 crtc)
 678 {
 679         int ret;
 680         u64 count;
 681
 682         count = ps3fb.vblank_count;
 683         ret = wait_event_interruptible_timeout(ps3fb.wait_vsync,
 684                                                count != ps3fb.vblank_count,
 685                                                HZ / 10);
 686         if (!ret)
 687                 return -ETIMEDOUT;
 688
 689         return 0;
 690 }
 691
 692 static void ps3fb_flip_ctl(int on, void *data)
 693 {
 694         struct ps3fb_priv *priv = data;
 695         if (on)
 696                 atomic_dec_if_positive(&priv->ext_flip);
 697         else
 698                 atomic_inc(&priv->ext_flip);
 699 }
 700
 701
 702     /*
 703      * ioctl
 704      */
 705
 706 static int ps3fb_ioctl(struct fb_info *info, unsigned int cmd,
 707                        unsigned long arg)
 708 {
 709         void __user *argp = (void __user *)arg;
 710         u32 val;
 711         int retval = -EFAULT;
 712
 713         switch (cmd) {
 714         case FBIOGET_VBLANK:
 715                 {
 716                         struct fb_vblank vblank;
 717                         dev_dbg(info->device, "FBIOGET_VBLANK:\n");
 718                         retval = ps3fb_get_vblank(&vblank);
 719                         if (retval)
 720                                 break;
 721
 722                         if (copy_to_user(argp, &vblank, sizeof(vblank)))
 723                                 retval = -EFAULT;
 724                         break;
 725                 }
 726
 727         case FBIO_WAITFORVSYNC:
 728                 {
 729                         u32 crt;
 730                         dev_dbg(info->device, "FBIO_WAITFORVSYNC:\n");
 731                         if (get_user(crt, (u32 __user *) arg))
 732                                 break;
 733
 734                         retval = ps3fb_wait_for_vsync(crt);
 735                         break;
 736                 }
 737
 738         case PS3FB_IOCTL_SETMODE:
 739                 {
 740                         struct ps3fb_par *par = info->par;
 741                         const struct fb_videomode *mode;
 742                         struct fb_var_screeninfo var;
 743
 744                         if (copy_from_user(&val, argp, sizeof(val)))
 745                                 break;
 746
 747                         if (!(val & PS3AV_MODE_MASK)) {
 748                                 u32 id = ps3av_get_auto_mode();
 749                                 if (id > 0)
 750                                         val = (val & ~PS3AV_MODE_MASK) | id;
 751                         }
 752                         dev_dbg(info->device, "PS3FB_IOCTL_SETMODE:%x\n", val);
 753                         retval = -EINVAL;
 754                         mode = ps3fb_default_mode(val);
 755                         if (mode) {
 756                                 var = info->var;
 757                                 fb_videomode_to_var(&var, mode);
 758                                 acquire_console_sem();
 759                                 info->flags |= FBINFO_MISC_USEREVENT;
 760                                 /* Force, in case only special bits changed */
 761                                 var.activate |= FB_ACTIVATE_FORCE;
 762                                 par->new_mode_id = val;
 763                                 retval = fb_set_var(info, &var);
 764                                 info->flags &= ~FBINFO_MISC_USEREVENT;
 765                                 release_console_sem();
 766                         }
 767                         break;
 768                 }
 769
 770         case PS3FB_IOCTL_GETMODE:
 771                 val = ps3av_get_mode();
 772                 dev_dbg(info->device, "PS3FB_IOCTL_GETMODE:%x\n", val);
 773                 if (!copy_to_user(argp, &val, sizeof(val)))
 774                         retval = 0;
 775                 break;
 776
 777         case PS3FB_IOCTL_SCREENINFO:
 778                 {
 779                         struct ps3fb_par *par = info->par;
 780                         struct ps3fb_ioctl_res res;
 781                         dev_dbg(info->device, "PS3FB_IOCTL_SCREENINFO:\n");
 782                         res.xres = info->fix.line_length / BPP;
 783                         res.yres = info->var.yres_virtual;
 784                         res.xoff = (res.xres - info->var.xres) / 2;
 785                         res.yoff = (res.yres - info->var.yres) / 2;
 786                         res.num_frames = par->num_frames;
 787                         if (!copy_to_user(argp, &res, sizeof(res)))
 788                                 retval = 0;
 789                         break;
 790                 }
 791
 792         case PS3FB_IOCTL_ON:
 793                 dev_dbg(info->device, "PS3FB_IOCTL_ON:\n");
 794                 atomic_inc(&ps3fb.ext_flip);
 795                 retval = 0;
 796                 break;
 797
 798         case PS3FB_IOCTL_OFF:
 799                 dev_dbg(info->device, "PS3FB_IOCTL_OFF:\n");
 800                 atomic_dec_if_positive(&ps3fb.ext_flip);
 801                 retval = 0;
 802                 break;
 803
 804         case PS3FB_IOCTL_FSEL:
 805                 if (copy_from_user(&val, argp, sizeof(val)))
 806                         break;
 807
 808                 dev_dbg(info->device, "PS3FB_IOCTL_FSEL:%d\n", val);
 809                 acquire_console_sem();
 810                 retval = ps3fb_sync(info, val);
 811                 release_console_sem();
 812                 break;
 813
 814         default:
 815                 retval = -ENOIOCTLCMD;
 816                 break;
 817         }
 818         return retval;
 819 }
 820
 821 static int ps3fbd(void *arg)
 822 {
 823         struct fb_info *info = arg;
 824
 825         set_freezable();
 826         while (!kthread_should_stop()) {
 827                 try_to_freeze();
 828                 set_current_state(TASK_INTERRUPTIBLE);
 829                 if (ps3fb.is_kicked) {
 830                         ps3fb.is_kicked = 0;
 831                         acquire_console_sem();
 832                         ps3fb_sync(info, 0);    /* single buffer */
 833                         release_console_sem();
 834                 }
 835                 schedule();
 836         }
 837         return 0;
 838 }
 839
 840 static irqreturn_t ps3fb_vsync_interrupt(int irq, void *ptr)
 841 {
 842         struct device *dev = ptr;
 843         u64 v1;
 844         int status;
 845         struct display_head *head = &ps3fb.dinfo->display_head[1];
 846
 847         status = lv1_gpu_context_intr(ps3fb.context_handle, &v1);
 848         if (status) {
 849                 dev_err(dev, "%s: lv1_gpu_context_intr failed: %d\n", __func__,
 850                         status);
 851                 return IRQ_NONE;
 852         }
 853
 854         if (v1 & (1 << GPU_INTR_STATUS_VSYNC_1)) {
 855                 /* VSYNC */
 856                 ps3fb.vblank_count = head->vblank_count;
 857                 if (ps3fb.task && !ps3fb.is_blanked &&
 858                     !atomic_read(&ps3fb.ext_flip)) {
 859                         ps3fb.is_kicked = 1;
 860                         wake_up_process(ps3fb.task);
 861                 }
 862                 wake_up_interruptible(&ps3fb.wait_vsync);
 863         }
 864
 865         return IRQ_HANDLED;
 866 }
 867
 868
 869 static int ps3fb_vsync_settings(struct gpu_driver_info *dinfo,
 870                                 struct device *dev)
 871 {
 872         int error;
 873
 874         dev_dbg(dev, "version_driver:%x\n", dinfo->version_driver);
 875         dev_dbg(dev, "irq outlet:%x\n", dinfo->irq.irq_outlet);
 876         dev_dbg(dev,
 877                 "version_gpu: %x memory_size: %x ch: %x core_freq: %d "
 878                 "mem_freq:%d\n",
 879                 dinfo->version_gpu, dinfo->memory_size, dinfo->hardware_channel,
 880                 dinfo->nvcore_frequency/1000000, dinfo->memory_frequency/1000000);
 881
 882         if (dinfo->version_driver != GPU_DRIVER_INFO_VERSION) {
 883                 dev_err(dev, "%s: version_driver err:%x\n", __func__,
 884                         dinfo->version_driver);
 885                 return -EINVAL;
 886         }
 887
 888         error = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet,
 889                                    &ps3fb.irq_no);
 890         if (error) {
 891                 dev_err(dev, "%s: ps3_alloc_irq failed %d\n", __func__, error);
 892                 return error;
 893         }
 894
 895         error = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt, IRQF_DISABLED,
 896                             DEVICE_NAME, dev);
 897         if (error) {
 898                 dev_err(dev, "%s: request_irq failed %d\n", __func__, error);
 899                 ps3_irq_plug_destroy(ps3fb.irq_no);
 900                 return error;
 901         }
 902
 903         dinfo->irq.mask = (1 << GPU_INTR_STATUS_VSYNC_1) |
 904                           (1 << GPU_INTR_STATUS_FLIP_1);
 905         return 0;
 906 }
 907
 908 static int ps3fb_xdr_settings(u64 xdr_lpar, struct device *dev)
 909 {
 910         int status;
 911
 912         status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF,
 913                                        xdr_lpar, ps3fb_videomemory.size, 0);
 914         if (status) {
 915                 dev_err(dev, "%s: lv1_gpu_context_iomap failed: %d\n",
 916                         __func__, status);
 917                 return -ENXIO;
 918         }
 919         dev_dbg(dev,
 920                 "video:%p xdr_ea:%p ioif:%lx lpar:%lx phys:%lx size:%lx\n",
 921                 ps3fb_videomemory.address, ps3fb.xdr_ea, GPU_IOIF, xdr_lpar,
 922                 virt_to_abs(ps3fb.xdr_ea), ps3fb_videomemory.size);
 923
 924         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 925                                            L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP,
 926                                            xdr_lpar, GPU_CMD_BUF_SIZE,
 927                                            GPU_IOIF, 0);
 928         if (status) {
 929                 dev_err(dev,
 930                         "%s: lv1_gpu_context_attribute FB_SETUP failed: %d\n",
 931                         __func__, status);
 932                 return -ENXIO;
 933         }
 934         return 0;
 935 }
 936
 937 static struct fb_ops ps3fb_ops = {
 938         .fb_open        = ps3fb_open,
 939         .fb_release     = ps3fb_release,
 940         .fb_read        = fb_sys_read,
 941         .fb_write       = fb_sys_write,
 942         .fb_check_var   = ps3fb_check_var,
 943         .fb_set_par     = ps3fb_set_par,
 944         .fb_setcolreg   = ps3fb_setcolreg,
 945         .fb_pan_display = ps3fb_pan_display,
 946         .fb_fillrect    = sys_fillrect,
 947         .fb_copyarea    = sys_copyarea,
 948         .fb_imageblit   = sys_imageblit,
 949         .fb_mmap        = ps3fb_mmap,
 950         .fb_blank       = ps3fb_blank,
 951         .fb_ioctl       = ps3fb_ioctl,
 952         .fb_compat_ioctl = ps3fb_ioctl
 953 };
 954
 955 static struct fb_fix_screeninfo ps3fb_fix __initdata = {
 956         .id =           DEVICE_NAME,
 957         .type =         FB_TYPE_PACKED_PIXELS,
 958         .visual =       FB_VISUAL_TRUECOLOR,
 959         .accel =        FB_ACCEL_NONE,
 960 };
 961
 962 static int ps3fb_set_sync(struct device *dev)
 963 {
 964         int status;
 965
 966 #ifdef HEAD_A
 967         status = lv1_gpu_context_attribute(0x0,
 968                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
 969                                            0, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
 970         if (status) {
 971                 dev_err(dev,
 972                         "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
 973                         "%d\n",
 974                         __func__, status);
 975                 return -1;
 976         }
 977 #endif
 978 #ifdef HEAD_B
 979         status = lv1_gpu_context_attribute(0x0,
 980                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
 981                                            1, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
 982
 983         if (status) {
 984                 dev_err(dev,
 985                         "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
 986                         "%d\n",
 987                         __func__, status);
 988                 return -1;
 989         }
 990 #endif
 991         return 0;
 992 }
 993
 994 static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev)
 995 {
 996         struct fb_info *info;
 997         struct ps3fb_par *par;
 998         int retval = -ENOMEM;
 999         u64 ddr_lpar = 0;
1000         u64 lpar_dma_control = 0;
1001         u64 lpar_driver_info = 0;
1002         u64 lpar_reports = 0;
1003         u64 lpar_reports_size = 0;
1004         u64 xdr_lpar;
1005         int status;
1006         struct task_struct *task;
1007         unsigned long max_ps3fb_size;
1008
1009         if (ps3fb_videomemory.size < GPU_CMD_BUF_SIZE) {
1010                 dev_err(&dev->core, "%s: Not enough video memory\n", __func__);
1011                 return -ENOMEM;
1012         }
1013
1014         status = ps3_open_hv_device(dev);
1015         if (status) {
1016                 dev_err(&dev->core, "%s: ps3_open_hv_device failed\n",
1017                         __func__);
1018                 goto err;
1019         }
1020
1021         if (!ps3fb_mode)
1022                 ps3fb_mode = ps3av_get_mode();
1023         dev_dbg(&dev->core, "ps3fb_mode: %d\n", ps3fb_mode);
1024
1025         atomic_set(&ps3fb.f_count, -1); /* fbcon opens ps3fb */
1026         atomic_set(&ps3fb.ext_flip, 0); /* for flip with vsync */
1027         init_waitqueue_head(&ps3fb.wait_vsync);
1028
1029         ps3fb_set_sync(&dev->core);
1030
1031         max_ps3fb_size = _ALIGN_UP(GPU_IOIF, 256*1024*1024) - GPU_IOIF;
1032         if (ps3fb_videomemory.size > max_ps3fb_size) {
1033                 dev_info(&dev->core, "Limiting ps3fb mem size to %lu bytes\n",
1034                          max_ps3fb_size);
1035                 ps3fb_videomemory.size = max_ps3fb_size;
1036         }
1037
1038         /* get gpu context handle */
1039         status = lv1_gpu_memory_allocate(ps3fb_videomemory.size, 0, 0, 0, 0,
1040                                          &ps3fb.memory_handle, &ddr_lpar);
1041         if (status) {
1042                 dev_err(&dev->core, "%s: lv1_gpu_memory_allocate failed: %d\n",
1043                         __func__, status);
1044                 goto err;
1045         }
1046         dev_dbg(&dev->core, "ddr:lpar:0x%lx\n", ddr_lpar);
1047
1048         status = lv1_gpu_context_allocate(ps3fb.memory_handle, 0,
1049                                           &ps3fb.context_handle,
1050                                           &lpar_dma_control, &lpar_driver_info,
1051                                           &lpar_reports, &lpar_reports_size);
1052         if (status) {
1053                 dev_err(&dev->core,
1054                         "%s: lv1_gpu_context_attribute failed: %d\n", __func__,
1055                         status);
1056                 goto err_gpu_memory_free;
1057         }
1058
1059         /* vsync interrupt */
1060         ps3fb.dinfo = ioremap(lpar_driver_info, 128 * 1024);
1061         if (!ps3fb.dinfo) {
1062                 dev_err(&dev->core, "%s: ioremap failed\n", __func__);
1063                 goto err_gpu_context_free;
1064         }
1065
1066         retval = ps3fb_vsync_settings(ps3fb.dinfo, &dev->core);
1067         if (retval)
1068                 goto err_iounmap_dinfo;
1069
1070         /* XDR frame buffer */
1071         ps3fb.xdr_ea = ps3fb_videomemory.address;
1072         xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb.xdr_ea));
1073
1074         /* Clear memory to prevent kernel info leakage into userspace */
1075         memset(ps3fb.xdr_ea, 0, ps3fb_videomemory.size);
1076
1077         /*
1078          * The GPU command buffer is at the start of video memory
1079          * As we don't use the full command buffer, we can put the actual
1080          * frame buffer at offset GPU_FB_START and save some precious XDR
1081          * memory
1082          */
1083         ps3fb.xdr_ea += GPU_FB_START;
1084         ps3fb.xdr_size = ps3fb_videomemory.size - GPU_FB_START;
1085
1086         retval = ps3fb_xdr_settings(xdr_lpar, &dev->core);
1087         if (retval)
1088                 goto err_free_irq;
1089
1090         info = framebuffer_alloc(sizeof(struct ps3fb_par), &dev->core);
1091         if (!info)
1092                 goto err_free_irq;
1093
1094         par = info->par;
1095         par->mode_id = ~ps3fb_mode;     /* != ps3fb_mode, to trigger change */
1096         par->new_mode_id = ps3fb_mode;
1097         par->num_frames = 1;
1098
1099         info->screen_base = (char __iomem *)ps3fb.xdr_ea;
1100         info->fbops = &ps3fb_ops;
1101
1102         info->fix = ps3fb_fix;
1103         info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea);
1104         info->fix.smem_len = ps3fb.xdr_size;
1105         info->pseudo_palette = par->pseudo_palette;
1106         info->flags = FBINFO_DEFAULT | FBINFO_READS_FAST |
1107                       FBINFO_HWACCEL_XPAN | FBINFO_HWACCEL_YPAN;
1108
1109         retval = fb_alloc_cmap(&info->cmap, 256, 0);
1110         if (retval < 0)
1111                 goto err_framebuffer_release;
1112
1113         if (!fb_find_mode(&info->var, info, mode_option, ps3fb_modedb,
1114                           ARRAY_SIZE(ps3fb_modedb),
1115                           ps3fb_default_mode(par->new_mode_id), 32)) {
1116                 retval = -EINVAL;
1117                 goto err_fb_dealloc;
1118         }
1119
1120         fb_videomode_to_modelist(ps3fb_modedb, ARRAY_SIZE(ps3fb_modedb),
1121                                  &info->modelist);
1122
1123         retval = register_framebuffer(info);
1124         if (retval < 0)
1125                 goto err_fb_dealloc;
1126
1127         dev->core.driver_data = info;
1128
1129         dev_info(info->device, "%s %s, using %lu KiB of video memory\n",
1130                  dev_driver_string(info->dev), info->dev->bus_id,
1131                  ps3fb.xdr_size >> 10);
1132
1133         task = kthread_run(ps3fbd, info, DEVICE_NAME);
1134         if (IS_ERR(task)) {
1135                 retval = PTR_ERR(task);
1136                 goto err_unregister_framebuffer;
1137         }
1138
1139         ps3fb.task = task;
1140         ps3av_register_flip_ctl(ps3fb_flip_ctl, &ps3fb);
1141
1142         return 0;
1143
1144 err_unregister_framebuffer:
1145         unregister_framebuffer(info);
1146 err_fb_dealloc:
1147         fb_dealloc_cmap(&info->cmap);
1148 err_framebuffer_release:
1149         framebuffer_release(info);
1150 err_free_irq:
1151         free_irq(ps3fb.irq_no, &dev->core);
1152         ps3_irq_plug_destroy(ps3fb.irq_no);
1153 err_iounmap_dinfo:
1154         iounmap((u8 __iomem *)ps3fb.dinfo);
1155 err_gpu_context_free:
1156         lv1_gpu_context_free(ps3fb.context_handle);
1157 err_gpu_memory_free:
1158         lv1_gpu_memory_free(ps3fb.memory_handle);
1159 err:
1160         return retval;
1161 }
1162
1163 static int ps3fb_shutdown(struct ps3_system_bus_device *dev)
1164 {
1165         int status;
1166         struct fb_info *info = dev->core.driver_data;
1167
1168         dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
1169
1170         ps3fb_flip_ctl(0, &ps3fb);      /* flip off */
1171         ps3fb.dinfo->irq.mask = 0;
1172
1173         ps3av_register_flip_ctl(NULL, NULL);
1174         if (ps3fb.task) {
1175                 struct task_struct *task = ps3fb.task;
1176                 ps3fb.task = NULL;
1177                 kthread_stop(task);
1178         }
1179         if (ps3fb.irq_no) {
1180                 free_irq(ps3fb.irq_no, &dev->core);
1181                 ps3_irq_plug_destroy(ps3fb.irq_no);
1182         }
1183         if (info) {
1184                 unregister_framebuffer(info);
1185                 fb_dealloc_cmap(&info->cmap);
1186                 framebuffer_release(info);
1187                 info = dev->core.driver_data = NULL;
1188         }
1189         iounmap((u8 __iomem *)ps3fb.dinfo);
1190
1191         status = lv1_gpu_context_free(ps3fb.context_handle);
1192         if (status)
1193                 dev_dbg(&dev->core, "lv1_gpu_context_free failed: %d\n",
1194                         status);
1195
1196         status = lv1_gpu_memory_free(ps3fb.memory_handle);
1197         if (status)
1198                 dev_dbg(&dev->core, "lv1_gpu_memory_free failed: %d\n",
1199                         status);
1200
1201         ps3_close_hv_device(dev);
1202         dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
1203
1204         return 0;
1205 }
1206
1207 static struct ps3_system_bus_driver ps3fb_driver = {
1208         .match_id       = PS3_MATCH_ID_GRAPHICS,
1209         .core.name      = DEVICE_NAME,
1210         .core.owner     = THIS_MODULE,
1211         .probe          = ps3fb_probe,
1212         .remove         = ps3fb_shutdown,
1213         .shutdown       = ps3fb_shutdown,
1214 };
1215
1216 static int __init ps3fb_setup(void)
1217 {
1218         char *options;
1219
1220 #ifdef MODULE
1221         return 0;
1222 #endif
1223
1224         if (fb_get_options(DEVICE_NAME, &options))
1225                 return -ENXIO;
1226
1227         if (!options || !*options)
1228                 return 0;
1229
1230         while (1) {
1231                 char *this_opt = strsep(&options, ",");
1232
1233                 if (!this_opt)
1234                         break;
1235                 if (!*this_opt)
1236                         continue;
1237                 if (!strncmp(this_opt, "mode:", 5))
1238                         ps3fb_mode = simple_strtoul(this_opt + 5, NULL, 0);
1239                 else
1240                         mode_option = this_opt;
1241         }
1242         return 0;
1243 }
1244
1245 static int __init ps3fb_init(void)
1246 {
1247         if (!ps3fb_videomemory.address ||  ps3fb_setup())
1248                 return -ENXIO;
1249
1250         return ps3_system_bus_driver_register(&ps3fb_driver);
1251 }
1252
1253 static void __exit ps3fb_exit(void)
1254 {
1255         pr_debug(" -> %s:%d\n", __func__, __LINE__);
1256         ps3_system_bus_driver_unregister(&ps3fb_driver);
1257         pr_debug(" <- %s:%d\n", __func__, __LINE__);
1258 }
1259
1260 module_init(ps3fb_init);
1261 module_exit(ps3fb_exit);
1262
1263 MODULE_LICENSE("GPL");
1264 MODULE_DESCRIPTION("PS3 GPU Frame Buffer Driver");
1265 MODULE_AUTHOR("Sony Computer Entertainment Inc.");
1266 MODULE_ALIAS(PS3_MODULE_ALIAS_GRAPHICS);