drivers/video/ps3fb.c

   1 /*
   2  *  linux/drivers/video/ps3fb.c -- PS3 GPU frame buffer device
   3  *
   4  *      Copyright (C) 2006 Sony Computer Entertainment Inc.
   5  *      Copyright 2006, 2007 Sony Corporation
   6  *
   7  *  This file is based on :
   8  *
   9  *  linux/drivers/video/vfb.c -- Virtual frame buffer device
  10  *
  11  *      Copyright (C) 2002 James Simmons
  12  *
  13  *      Copyright (C) 1997 Geert Uytterhoeven
  14  *
  15  *  This file is subject to the terms and conditions of the GNU General Public
  16  *  License. See the file COPYING in the main directory of this archive for
  17  *  more details.
  18  */
  19
  20 #include <linux/module.h>
  21 #include <linux/kernel.h>
  22 #include <linux/errno.h>
  23 #include <linux/string.h>
  24 #include <linux/mm.h>
  25 #include <linux/interrupt.h>
  26 #include <linux/console.h>
  27 #include <linux/ioctl.h>
  28 #include <linux/kthread.h>
  29 #include <linux/freezer.h>
  30 #include <linux/uaccess.h>
  31 #include <linux/fb.h>
  32 #include <linux/init.h>
  33
  34 #include <asm/abs_addr.h>
  35 #include <asm/lv1call.h>
  36 #include <asm/ps3av.h>
  37 #include <asm/ps3fb.h>
  38 #include <asm/ps3.h>
  39
  40
  41 #define DEVICE_NAME             "ps3fb"
  42
  43 #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC    0x101
  44 #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP    0x102
  45 #define L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP        0x600
  46 #define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT         0x601
  47 #define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT_SYNC    0x602
  48
  49 #define L1GPU_FB_BLIT_WAIT_FOR_COMPLETION       (1ULL << 32)
  50
  51 #define L1GPU_DISPLAY_SYNC_HSYNC                1
  52 #define L1GPU_DISPLAY_SYNC_VSYNC                2
  53
  54 #define DDR_SIZE                                (0)     /* used no ddr */
  55 #define GPU_CMD_BUF_SIZE                        (64 * 1024)
  56 #define GPU_IOIF                                (0x0d000000UL)
  57 #define GPU_ALIGN_UP(x)                         _ALIGN_UP((x), 64)
  58
  59 #define PS3FB_FULL_MODE_BIT                     0x80
  60
  61 #define GPU_INTR_STATUS_VSYNC_0                 0       /* vsync on head A */
  62 #define GPU_INTR_STATUS_VSYNC_1                 1       /* vsync on head B */
  63 #define GPU_INTR_STATUS_FLIP_0                  3       /* flip head A */
  64 #define GPU_INTR_STATUS_FLIP_1                  4       /* flip head B */
  65 #define GPU_INTR_STATUS_QUEUE_0                 5       /* queue head A */
  66 #define GPU_INTR_STATUS_QUEUE_1                 6       /* queue head B */
  67
  68 #define GPU_DRIVER_INFO_VERSION                 0x211
  69
  70 /* gpu internals */
  71 struct display_head {
  72         u64 be_time_stamp;
  73         u32 status;
  74         u32 offset;
  75         u32 res1;
  76         u32 res2;
  77         u32 field;
  78         u32 reserved1;
  79
  80         u64 res3;
  81         u32 raster;
  82
  83         u64 vblank_count;
  84         u32 field_vsync;
  85         u32 reserved2;
  86 };
  87
  88 struct gpu_irq {
  89         u32 irq_outlet;
  90         u32 status;
  91         u32 mask;
  92         u32 video_cause;
  93         u32 graph_cause;
  94         u32 user_cause;
  95
  96         u32 res1;
  97         u64 res2;
  98
  99         u32 reserved[4];
 100 };
 101
 102 struct gpu_driver_info {
 103         u32 version_driver;
 104         u32 version_gpu;
 105         u32 memory_size;
 106         u32 hardware_channel;
 107
 108         u32 nvcore_frequency;
 109         u32 memory_frequency;
 110
 111         u32 reserved[1063];
 112         struct display_head display_head[8];
 113         struct gpu_irq irq;
 114 };
 115
 116 struct ps3fb_priv {
 117         unsigned int irq_no;
 118
 119         u64 context_handle, memory_handle;
 120         void *xdr_ea;
 121         size_t xdr_size;
 122         struct gpu_driver_info *dinfo;
 123
 124         u64 vblank_count;       /* frame count */
 125         wait_queue_head_t wait_vsync;
 126
 127         atomic_t ext_flip;      /* on/off flip with vsync */
 128         atomic_t f_count;       /* fb_open count */
 129         int is_blanked;
 130         int is_kicked;
 131         struct task_struct *task;
 132 };
 133 static struct ps3fb_priv ps3fb;
 134
 135 struct ps3fb_par {
 136         u32 pseudo_palette[16];
 137         int mode_id, new_mode_id;
 138         int res_index;
 139         unsigned int num_frames;        /* num of frame buffers */
 140         unsigned int width;
 141         unsigned int height;
 142         unsigned long full_offset;      /* start of fullscreen DDR fb */
 143         unsigned long fb_offset;        /* start of actual DDR fb */
 144 };
 145
 146 struct ps3fb_res_table {
 147         u32 xres;
 148         u32 yres;
 149         u32 xoff;
 150         u32 yoff;
 151         u32 type;
 152 };
 153 #define PS3FB_RES_FULL 1
 154 static const struct ps3fb_res_table ps3fb_res[] = {
 155         /* res_x,y   margin_x,y  full */
 156         {  720,  480,  72,  48 , 0},
 157         {  720,  576,  72,  58 , 0},
 158         { 1280,  720,  78,  38 , 0},
 159         { 1920, 1080, 116,  58 , 0},
 160         /* full mode */
 161         {  720,  480,   0,   0 , PS3FB_RES_FULL},
 162         {  720,  576,   0,   0 , PS3FB_RES_FULL},
 163         { 1280,  720,   0,   0 , PS3FB_RES_FULL},
 164         { 1920, 1080,   0,   0 , PS3FB_RES_FULL},
 165         /* vesa: normally full mode */
 166         { 1280,  768,   0,   0 , 0},
 167         { 1280, 1024,   0,   0 , 0},
 168         { 1920, 1200,   0,   0 , 0},
 169         {    0,    0,   0,   0 , 0} };
 170
 171 /* default resolution */
 172 #define GPU_RES_INDEX   0               /* 720 x 480 */
 173
 174 static const struct fb_videomode ps3fb_modedb[] = {
 175     /* 60 Hz broadcast modes (modes "1" to "5") */
 176     {
 177         /* 480i */
 178         "480i", 60, 576, 384, 74074, 130, 89, 78, 57, 63, 6,
 179         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 180     },    {
 181         /* 480p */
 182         "480p", 60, 576, 384, 37037, 130, 89, 78, 57, 63, 6,
 183         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 184     },    {
 185         /* 720p */
 186         "720p", 60, 1124, 644, 13481, 298, 148, 57, 44, 80, 5,
 187         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 188     },    {
 189         /* 1080i */
 190         "1080i", 60, 1688, 964, 13481, 264, 160, 94, 62, 88, 5,
 191         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 192     },    {
 193         /* 1080p */
 194         "1080p", 60, 1688, 964, 6741, 264, 160, 94, 62, 88, 5,
 195         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 196     },
 197
 198     /* 50 Hz broadcast modes (modes "6" to "10") */
 199     {
 200         /* 576i */
 201         "576i", 50, 576, 460, 74074, 142, 83, 97, 63, 63, 5,
 202         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 203     },    {
 204         /* 576p */
 205         "576p", 50, 576, 460, 37037, 142, 83, 97, 63, 63, 5,
 206         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 207     },    {
 208         /* 720p */
 209         "720p", 50, 1124, 644, 13468, 298, 478, 57, 44, 80, 5,
 210         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 211     },    {
 212         /* 1080 */
 213         "1080i", 50, 1688, 964, 13468, 264, 600, 94, 62, 88, 5,
 214         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 215     },    {
 216         /* 1080p */
 217         "1080p", 50, 1688, 964, 6734, 264, 600, 94, 62, 88, 5,
 218         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 219     },
 220
 221     /* VESA modes (modes "11" to "13") */
 222     {
 223         /* WXGA */
 224         "wxga", 60, 1280, 768, 12924, 160, 24, 29, 3, 136, 6,
 225         0, FB_VMODE_NONINTERLACED,
 226         FB_MODE_IS_VESA
 227     }, {
 228         /* SXGA */
 229         "sxga", 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3,
 230         FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED,
 231         FB_MODE_IS_VESA
 232     }, {
 233         /* WUXGA */
 234         "wuxga", 60, 1920, 1200, 6494, 80, 48, 26, 3, 32, 6,
 235         FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED,
 236         FB_MODE_IS_VESA
 237     },
 238
 239     /* 60 Hz broadcast modes (full resolution versions of modes "1" to "5") */
 240     {
 241         /* 480if */
 242         "480if", 60, 720, 480, 74074, 58, 17, 30, 9, 63, 6,
 243         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 244     }, {
 245         /* 480pf */
 246         "480pf", 60, 720, 480, 37037, 58, 17, 30, 9, 63, 6,
 247         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 248     }, {
 249         /* 720pf */
 250         "720pf", 60, 1280, 720, 13481, 220, 70, 19, 6, 80, 5,
 251         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 252     }, {
 253         /* 1080if */
 254         "1080if", 60, 1920, 1080, 13481, 148, 44, 36, 4, 88, 5,
 255         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 256     }, {
 257         /* 1080pf */
 258         "1080pf", 60, 1920, 1080, 6741, 148, 44, 36, 4, 88, 5,
 259         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 260     },
 261
 262     /* 50 Hz broadcast modes (full resolution versions of modes "6" to "10") */
 263     {
 264         /* 576if */
 265         "576if", 50, 720, 576, 74074, 70, 11, 39, 5, 63, 5,
 266         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 267     }, {
 268         /* 576pf */
 269         "576pf", 50, 720, 576, 37037, 70, 11, 39, 5, 63, 5,
 270         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 271     }, {
 272         /* 720pf */
 273         "720pf", 50, 1280, 720, 13468, 220, 400, 19, 6, 80, 5,
 274         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 275     }, {
 276         /* 1080if */
 277         "1080f", 50, 1920, 1080, 13468, 148, 484, 36, 4, 88, 5,
 278         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 279     }, {
 280         /* 1080pf */
 281         "1080pf", 50, 1920, 1080, 6734, 148, 484, 36, 4, 88, 5,
 282         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 283     }
 284 };
 285
 286
 287 #define HEAD_A
 288 #define HEAD_B
 289
 290 #define X_OFF(i)        (ps3fb_res[i].xoff)     /* left/right margin (pixel) */
 291 #define Y_OFF(i)        (ps3fb_res[i].yoff)     /* top/bottom margin (pixel) */
 292 #define WIDTH(i)        (ps3fb_res[i].xres)     /* width of FB */
 293 #define HEIGHT(i)       (ps3fb_res[i].yres)     /* height of FB */
 294 #define BPP             4                       /* number of bytes per pixel */
 295
 296 /* Start of the virtual frame buffer (relative to fullscreen ) */
 297 #define VP_OFF(i)       ((WIDTH(i) * Y_OFF(i) + X_OFF(i)) * BPP)
 298
 299
 300 static int ps3fb_mode;
 301 module_param(ps3fb_mode, int, 0);
 302
 303 static char *mode_option __devinitdata;
 304
 305 static int ps3fb_get_res_table(u32 xres, u32 yres, int mode)
 306 {
 307         int full_mode;
 308         unsigned int i;
 309         u32 x, y, f;
 310
 311         full_mode = (mode & PS3FB_FULL_MODE_BIT) ? PS3FB_RES_FULL : 0;
 312         for (i = 0;; i++) {
 313                 x = ps3fb_res[i].xres;
 314                 y = ps3fb_res[i].yres;
 315                 f = ps3fb_res[i].type;
 316
 317                 if (!x) {
 318                         pr_debug("ERROR: ps3fb_get_res_table()\n");
 319                         return -1;
 320                 }
 321
 322                 if (full_mode == PS3FB_RES_FULL && f != PS3FB_RES_FULL)
 323                         continue;
 324
 325                 if (x == xres && (yres == 0 || y == yres))
 326                         break;
 327
 328                 x = x - 2 * ps3fb_res[i].xoff;
 329                 y = y - 2 * ps3fb_res[i].yoff;
 330                 if (x == xres && (yres == 0 || y == yres))
 331                         break;
 332         }
 333         return i;
 334 }
 335
 336 static unsigned int ps3fb_find_mode(const struct fb_var_screeninfo *var,
 337                                     u32 *line_length)
 338 {
 339         unsigned int i, mode;
 340
 341         for (i = 0; i < ARRAY_SIZE(ps3fb_modedb); i++)
 342                 if (var->xres == ps3fb_modedb[i].xres &&
 343                     var->yres == ps3fb_modedb[i].yres &&
 344                     var->pixclock == ps3fb_modedb[i].pixclock &&
 345                     var->hsync_len == ps3fb_modedb[i].hsync_len &&
 346                     var->vsync_len == ps3fb_modedb[i].vsync_len &&
 347                     var->left_margin == ps3fb_modedb[i].left_margin &&
 348                     var->right_margin == ps3fb_modedb[i].right_margin &&
 349                     var->upper_margin == ps3fb_modedb[i].upper_margin &&
 350                     var->lower_margin == ps3fb_modedb[i].lower_margin &&
 351                     var->sync == ps3fb_modedb[i].sync &&
 352                     (var->vmode & FB_VMODE_MASK) == ps3fb_modedb[i].vmode) {
 353                         /* Cropped broadcast modes use the full line_length */
 354                         *line_length =
 355                             ps3fb_modedb[i < 10 ? i + 13 : i].xres * 4;
 356                         /* Full broadcast modes have the full mode bit set */
 357                         mode = i > 12 ? (i - 12) | PS3FB_FULL_MODE_BIT : i + 1;
 358
 359                         pr_debug("ps3fb_find_mode: mode %u\n", mode);
 360                         return mode;
 361                 }
 362
 363         pr_debug("ps3fb_find_mode: mode not found\n");
 364         return 0;
 365 }
 366
 367 static const struct fb_videomode *ps3fb_default_mode(int id)
 368 {
 369         u32 mode = id & PS3AV_MODE_MASK;
 370         u32 flags;
 371
 372         if (mode < 1 || mode > 13)
 373                 return NULL;
 374
 375         flags = id & ~PS3AV_MODE_MASK;
 376
 377         if (mode <= 10 && flags & PS3FB_FULL_MODE_BIT) {
 378                 /* Full broadcast mode */
 379                 return &ps3fb_modedb[mode + 12];
 380         }
 381
 382         return &ps3fb_modedb[mode - 1];
 383 }
 384
 385 static void ps3fb_sync_image(struct device *dev, u64 frame_offset,
 386                              u64 dst_offset, u64 src_offset, u32 width,
 387                              u32 height, u64 line_length)
 388 {
 389         int status;
 390
 391         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 392                                            L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT,
 393                                            dst_offset, GPU_IOIF + src_offset,
 394                                            L1GPU_FB_BLIT_WAIT_FOR_COMPLETION |
 395                                            (width << 16) | height,
 396                                            line_length);
 397         if (status)
 398                 dev_err(dev,
 399                         "%s: lv1_gpu_context_attribute FB_BLIT failed: %d\n",
 400                         __func__, status);
 401 #ifdef HEAD_A
 402         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 403                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
 404                                            0, frame_offset, 0, 0);
 405         if (status)
 406                 dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
 407                         __func__, status);
 408 #endif
 409 #ifdef HEAD_B
 410         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 411                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
 412                                            1, frame_offset, 0, 0);
 413         if (status)
 414                 dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
 415                         __func__, status);
 416 #endif
 417 }
 418
 419 static int ps3fb_sync(struct fb_info *info, u32 frame)
 420 {
 421         struct ps3fb_par *par = info->par;
 422         int i, error = 0;
 423         u32 xres, yres;
 424         u64 line_length, base;
 425
 426         acquire_console_sem();
 427
 428         if (frame > par->num_frames - 1) {
 429                 dev_dbg(info->device, "%s: invalid frame number (%u)\n",
 430                         __func__, frame);
 431                 error = -EINVAL;
 432                 goto out;
 433         }
 434
 435         i = par->res_index;
 436         xres = ps3fb_res[i].xres;
 437         yres = ps3fb_res[i].yres;
 438
 439         line_length = xres * BPP;
 440         base = frame * yres * line_length;
 441
 442         ps3fb_sync_image(info->device, base + par->full_offset,
 443                          base + par->fb_offset, base, par->width, par->height,
 444                          line_length);
 445
 446 out:
 447         release_console_sem();
 448         return error;
 449 }
 450
 451 static int ps3fb_open(struct fb_info *info, int user)
 452 {
 453         atomic_inc(&ps3fb.f_count);
 454         return 0;
 455 }
 456
 457 static int ps3fb_release(struct fb_info *info, int user)
 458 {
 459         if (atomic_dec_and_test(&ps3fb.f_count)) {
 460                 if (atomic_read(&ps3fb.ext_flip)) {
 461                         atomic_set(&ps3fb.ext_flip, 0);
 462                         ps3fb_sync(info, 0);    /* single buffer */
 463                 }
 464         }
 465         return 0;
 466 }
 467
 468     /*
 469      *  Setting the video mode has been split into two parts.
 470      *  First part, xxxfb_check_var, must not write anything
 471      *  to hardware, it should only verify and adjust var.
 472      *  This means it doesn't alter par but it does use hardware
 473      *  data from it to check this var.
 474      */
 475
 476 static int ps3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 477 {
 478         u32 line_length;
 479         int mode;
 480
 481         dev_dbg(info->device, "var->xres:%u info->var.xres:%u\n", var->xres,
 482                 info->var.xres);
 483         dev_dbg(info->device, "var->yres:%u info->var.yres:%u\n", var->yres,
 484                 info->var.yres);
 485
 486         /* FIXME For now we do exact matches only */
 487         mode = ps3fb_find_mode(var, &line_length);
 488         if (!mode)
 489                 return -EINVAL;
 490
 491         /*
 492          *  FB_VMODE_CONUPDATE and FB_VMODE_SMOOTH_XPAN are equal!
 493          *  as FB_VMODE_SMOOTH_XPAN is only used internally
 494          */
 495
 496         if (var->vmode & FB_VMODE_CONUPDATE) {
 497                 var->vmode |= FB_VMODE_YWRAP;
 498                 var->xoffset = info->var.xoffset;
 499                 var->yoffset = info->var.yoffset;
 500         }
 501
 502         /* Virtual screen and panning are not supported */
 503         if (var->xres_virtual > var->xres || var->yres_virtual > var->yres ||
 504             var->xoffset || var->yoffset) {
 505                 dev_dbg(info->device,
 506                         "Virtual screen and panning are not supported\n");
 507                 return -EINVAL;
 508         }
 509
 510         var->xres_virtual = var->xres;
 511         var->yres_virtual = var->yres;
 512
 513         /* We support ARGB8888 only */
 514         if (var->bits_per_pixel > 32 || var->grayscale ||
 515             var->red.offset > 16 || var->green.offset > 8 ||
 516             var->blue.offset > 0 || var->transp.offset > 24 ||
 517             var->red.length > 8 || var->green.length > 8 ||
 518             var->blue.length > 8 || var->transp.length > 8 ||
 519             var->red.msb_right || var->green.msb_right ||
 520             var->blue.msb_right || var->transp.msb_right || var->nonstd) {
 521                 dev_dbg(info->device, "We support ARGB8888 only\n");
 522                 return -EINVAL;
 523         }
 524
 525         var->bits_per_pixel = 32;
 526         var->red.offset = 16;
 527         var->green.offset = 8;
 528         var->blue.offset = 0;
 529         var->transp.offset = 24;
 530         var->red.length = 8;
 531         var->green.length = 8;
 532         var->blue.length = 8;
 533         var->transp.length = 8;
 534         var->red.msb_right = 0;
 535         var->green.msb_right = 0;
 536         var->blue.msb_right = 0;
 537         var->transp.msb_right = 0;
 538
 539         /* Rotation is not supported */
 540         if (var->rotate) {
 541                 dev_dbg(info->device, "Rotation is not supported\n");
 542                 return -EINVAL;
 543         }
 544
 545         /* Memory limit */
 546         if (var->yres * line_length > ps3fb.xdr_size) {
 547                 dev_dbg(info->device, "Not enough memory\n");
 548                 return -ENOMEM;
 549         }
 550
 551         var->height = -1;
 552         var->width = -1;
 553
 554         return 0;
 555 }
 556
 557     /*
 558      * This routine actually sets the video mode.
 559      */
 560
 561 static int ps3fb_set_par(struct fb_info *info)
 562 {
 563         struct ps3fb_par *par = info->par;
 564         unsigned int mode, lines, maxlines;
 565         int i;
 566         unsigned long offset, dst;
 567
 568         dev_dbg(info->device, "xres:%d xv:%d yres:%d yv:%d clock:%d\n",
 569                 info->var.xres, info->var.xres_virtual,
 570                 info->var.yres, info->var.yres_virtual, info->var.pixclock);
 571
 572         mode = ps3fb_find_mode(&info->var, &info->fix.line_length);
 573         if (!mode)
 574                 return -EINVAL;
 575
 576         i = ps3fb_get_res_table(info->var.xres, info->var.yres, mode);
 577         par->res_index = i;
 578
 579         info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea);
 580         info->fix.smem_len = ps3fb.xdr_size;
 581         info->screen_base = (char __iomem *)ps3fb.xdr_ea;
 582
 583         par->num_frames = info->fix.smem_len/
 584                           (ps3fb_res[i].xres*ps3fb_res[i].yres*BPP);
 585
 586         /* Keep the special bits we cannot set using fb_var_screeninfo */
 587         par->new_mode_id = (par->new_mode_id & ~PS3AV_MODE_MASK) | mode;
 588
 589         par->width = info->var.xres;
 590         par->height = info->var.yres;
 591         offset = VP_OFF(i);
 592         par->fb_offset = GPU_ALIGN_UP(offset);
 593         par->full_offset = par->fb_offset - offset;
 594
 595         if (par->new_mode_id != par->mode_id) {
 596                 if (ps3av_set_video_mode(par->new_mode_id)) {
 597                         par->new_mode_id = par->mode_id;
 598                         return -EINVAL;
 599                 }
 600                 par->mode_id = par->new_mode_id;
 601         }
 602
 603         /* Clear XDR frame buffer memory */
 604         memset(ps3fb.xdr_ea, 0, ps3fb.xdr_size);
 605
 606         /* Clear DDR frame buffer memory */
 607         lines = ps3fb_res[i].yres * par->num_frames;
 608         if (par->full_offset)
 609                 lines++;
 610         maxlines = ps3fb.xdr_size / info->fix.line_length;
 611         for (dst = 0; lines; dst += maxlines * info->fix.line_length) {
 612                 unsigned int l = min(lines, maxlines);
 613                 ps3fb_sync_image(info->device, 0, dst, 0, ps3fb_res[i].xres, l,
 614                                  info->fix.line_length);
 615                 lines -= l;
 616         }
 617
 618         return 0;
 619 }
 620
 621     /*
 622      *  Set a single color register. The values supplied are already
 623      *  rounded down to the hardware's capabilities (according to the
 624      *  entries in the var structure). Return != 0 for invalid regno.
 625      */
 626
 627 static int ps3fb_setcolreg(unsigned int regno, unsigned int red,
 628                            unsigned int green, unsigned int blue,
 629                            unsigned int transp, struct fb_info *info)
 630 {
 631         if (regno >= 16)
 632                 return 1;
 633
 634         red >>= 8;
 635         green >>= 8;
 636         blue >>= 8;
 637         transp >>= 8;
 638
 639         ((u32 *)info->pseudo_palette)[regno] = transp << 24 | red << 16 |
 640                                                green << 8 | blue;
 641         return 0;
 642 }
 643
 644     /*
 645      *  As we have a virtual frame buffer, we need our own mmap function
 646      */
 647
 648 static int ps3fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
 649 {
 650         unsigned long size, offset;
 651
 652         size = vma->vm_end - vma->vm_start;
 653         offset = vma->vm_pgoff << PAGE_SHIFT;
 654         if (offset + size > info->fix.smem_len)
 655                 return -EINVAL;
 656
 657         offset += info->fix.smem_start;
 658         if (remap_pfn_range(vma, vma->vm_start, offset >> PAGE_SHIFT,
 659                             size, vma->vm_page_prot))
 660                 return -EAGAIN;
 661
 662         dev_dbg(info->device, "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n",
 663                 offset, vma->vm_start);
 664         return 0;
 665 }
 666
 667     /*
 668      * Blank the display
 669      */
 670
 671 static int ps3fb_blank(int blank, struct fb_info *info)
 672 {
 673         int retval;
 674
 675         dev_dbg(info->device, "%s: blank:%d\n", __func__, blank);
 676         switch (blank) {
 677         case FB_BLANK_POWERDOWN:
 678         case FB_BLANK_HSYNC_SUSPEND:
 679         case FB_BLANK_VSYNC_SUSPEND:
 680         case FB_BLANK_NORMAL:
 681                 retval = ps3av_video_mute(1);   /* mute on */
 682                 if (!retval)
 683                         ps3fb.is_blanked = 1;
 684                 break;
 685
 686         default:                /* unblank */
 687                 retval = ps3av_video_mute(0);   /* mute off */
 688                 if (!retval)
 689                         ps3fb.is_blanked = 0;
 690                 break;
 691         }
 692         return retval;
 693 }
 694
 695 static int ps3fb_get_vblank(struct fb_vblank *vblank)
 696 {
 697         memset(vblank, 0, sizeof(&vblank));
 698         vblank->flags = FB_VBLANK_HAVE_VSYNC;
 699         return 0;
 700 }
 701
 702 static int ps3fb_wait_for_vsync(u32 crtc)
 703 {
 704         int ret;
 705         u64 count;
 706
 707         count = ps3fb.vblank_count;
 708         ret = wait_event_interruptible_timeout(ps3fb.wait_vsync,
 709                                                count != ps3fb.vblank_count,
 710                                                HZ / 10);
 711         if (!ret)
 712                 return -ETIMEDOUT;
 713
 714         return 0;
 715 }
 716
 717 static void ps3fb_flip_ctl(int on, void *data)
 718 {
 719         struct ps3fb_priv *priv = data;
 720         if (on)
 721                 atomic_dec_if_positive(&priv->ext_flip);
 722         else
 723                 atomic_inc(&priv->ext_flip);
 724 }
 725
 726
 727     /*
 728      * ioctl
 729      */
 730
 731 static int ps3fb_ioctl(struct fb_info *info, unsigned int cmd,
 732                        unsigned long arg)
 733 {
 734         void __user *argp = (void __user *)arg;
 735         u32 val;
 736         int retval = -EFAULT;
 737
 738         switch (cmd) {
 739         case FBIOGET_VBLANK:
 740                 {
 741                         struct fb_vblank vblank;
 742                         dev_dbg(info->device, "FBIOGET_VBLANK:\n");
 743                         retval = ps3fb_get_vblank(&vblank);
 744                         if (retval)
 745                                 break;
 746
 747                         if (copy_to_user(argp, &vblank, sizeof(vblank)))
 748                                 retval = -EFAULT;
 749                         break;
 750                 }
 751
 752         case FBIO_WAITFORVSYNC:
 753                 {
 754                         u32 crt;
 755                         dev_dbg(info->device, "FBIO_WAITFORVSYNC:\n");
 756                         if (get_user(crt, (u32 __user *) arg))
 757                                 break;
 758
 759                         retval = ps3fb_wait_for_vsync(crt);
 760                         break;
 761                 }
 762
 763         case PS3FB_IOCTL_SETMODE:
 764                 {
 765                         struct ps3fb_par *par = info->par;
 766                         const struct fb_videomode *mode;
 767                         struct fb_var_screeninfo var;
 768
 769                         if (copy_from_user(&val, argp, sizeof(val)))
 770                                 break;
 771
 772                         if (!(val & PS3AV_MODE_MASK)) {
 773                                 u32 id = ps3av_get_auto_mode();
 774                                 if (id > 0)
 775                                         val = (val & ~PS3AV_MODE_MASK) | id;
 776                         }
 777                         dev_dbg(info->device, "PS3FB_IOCTL_SETMODE:%x\n", val);
 778                         retval = -EINVAL;
 779                         mode = ps3fb_default_mode(val);
 780                         if (mode) {
 781                                 var = info->var;
 782                                 fb_videomode_to_var(&var, mode);
 783                                 acquire_console_sem();
 784                                 info->flags |= FBINFO_MISC_USEREVENT;
 785                                 /* Force, in case only special bits changed */
 786                                 var.activate |= FB_ACTIVATE_FORCE;
 787                                 par->new_mode_id = val;
 788                                 retval = fb_set_var(info, &var);
 789                                 info->flags &= ~FBINFO_MISC_USEREVENT;
 790                                 release_console_sem();
 791                         }
 792                         break;
 793                 }
 794
 795         case PS3FB_IOCTL_GETMODE:
 796                 val = ps3av_get_mode();
 797                 dev_dbg(info->device, "PS3FB_IOCTL_GETMODE:%x\n", val);
 798                 if (!copy_to_user(argp, &val, sizeof(val)))
 799                         retval = 0;
 800                 break;
 801
 802         case PS3FB_IOCTL_SCREENINFO:
 803                 {
 804                         struct ps3fb_par *par = info->par;
 805                         struct ps3fb_ioctl_res res;
 806                         int i = par->res_index;
 807                         dev_dbg(info->device, "PS3FB_IOCTL_SCREENINFO:\n");
 808                         res.xres = ps3fb_res[i].xres;
 809                         res.yres = ps3fb_res[i].yres;
 810                         res.xoff = ps3fb_res[i].xoff;
 811                         res.yoff = ps3fb_res[i].yoff;
 812                         res.num_frames = par->num_frames;
 813                         if (!copy_to_user(argp, &res, sizeof(res)))
 814                                 retval = 0;
 815                         break;
 816                 }
 817
 818         case PS3FB_IOCTL_ON:
 819                 dev_dbg(info->device, "PS3FB_IOCTL_ON:\n");
 820                 atomic_inc(&ps3fb.ext_flip);
 821                 retval = 0;
 822                 break;
 823
 824         case PS3FB_IOCTL_OFF:
 825                 dev_dbg(info->device, "PS3FB_IOCTL_OFF:\n");
 826                 atomic_dec_if_positive(&ps3fb.ext_flip);
 827                 retval = 0;
 828                 break;
 829
 830         case PS3FB_IOCTL_FSEL:
 831                 if (copy_from_user(&val, argp, sizeof(val)))
 832                         break;
 833
 834                 dev_dbg(info->device, "PS3FB_IOCTL_FSEL:%d\n", val);
 835                 retval = ps3fb_sync(info, val);
 836                 break;
 837
 838         default:
 839                 retval = -ENOIOCTLCMD;
 840                 break;
 841         }
 842         return retval;
 843 }
 844
 845 static int ps3fbd(void *arg)
 846 {
 847         struct fb_info *info = arg;
 848
 849         set_freezable();
 850         while (!kthread_should_stop()) {
 851                 try_to_freeze();
 852                 set_current_state(TASK_INTERRUPTIBLE);
 853                 if (ps3fb.is_kicked) {
 854                         ps3fb.is_kicked = 0;
 855                         ps3fb_sync(info, 0);    /* single buffer */
 856                 }
 857                 schedule();
 858         }
 859         return 0;
 860 }
 861
 862 static irqreturn_t ps3fb_vsync_interrupt(int irq, void *ptr)
 863 {
 864         struct device *dev = ptr;
 865         u64 v1;
 866         int status;
 867         struct display_head *head = &ps3fb.dinfo->display_head[1];
 868
 869         status = lv1_gpu_context_intr(ps3fb.context_handle, &v1);
 870         if (status) {
 871                 dev_err(dev, "%s: lv1_gpu_context_intr failed: %d\n", __func__,
 872                         status);
 873                 return IRQ_NONE;
 874         }
 875
 876         if (v1 & (1 << GPU_INTR_STATUS_VSYNC_1)) {
 877                 /* VSYNC */
 878                 ps3fb.vblank_count = head->vblank_count;
 879                 if (ps3fb.task && !ps3fb.is_blanked &&
 880                     !atomic_read(&ps3fb.ext_flip)) {
 881                         ps3fb.is_kicked = 1;
 882                         wake_up_process(ps3fb.task);
 883                 }
 884                 wake_up_interruptible(&ps3fb.wait_vsync);
 885         }
 886
 887         return IRQ_HANDLED;
 888 }
 889
 890
 891 static int ps3fb_vsync_settings(struct gpu_driver_info *dinfo,
 892                                 struct device *dev)
 893 {
 894         int error;
 895
 896         dev_dbg(dev, "version_driver:%x\n", dinfo->version_driver);
 897         dev_dbg(dev, "irq outlet:%x\n", dinfo->irq.irq_outlet);
 898         dev_dbg(dev,
 899                 "version_gpu: %x memory_size: %x ch: %x core_freq: %d "
 900                 "mem_freq:%d\n",
 901                 dinfo->version_gpu, dinfo->memory_size, dinfo->hardware_channel,
 902                 dinfo->nvcore_frequency/1000000, dinfo->memory_frequency/1000000);
 903
 904         if (dinfo->version_driver != GPU_DRIVER_INFO_VERSION) {
 905                 dev_err(dev, "%s: version_driver err:%x\n", __func__,
 906                         dinfo->version_driver);
 907                 return -EINVAL;
 908         }
 909
 910         error = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet,
 911                                    &ps3fb.irq_no);
 912         if (error) {
 913                 dev_err(dev, "%s: ps3_alloc_irq failed %d\n", __func__, error);
 914                 return error;
 915         }
 916
 917         error = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt, IRQF_DISABLED,
 918                             DEVICE_NAME, dev);
 919         if (error) {
 920                 dev_err(dev, "%s: request_irq failed %d\n", __func__, error);
 921                 ps3_irq_plug_destroy(ps3fb.irq_no);
 922                 return error;
 923         }
 924
 925         dinfo->irq.mask = (1 << GPU_INTR_STATUS_VSYNC_1) |
 926                           (1 << GPU_INTR_STATUS_FLIP_1);
 927         return 0;
 928 }
 929
 930 static int ps3fb_xdr_settings(u64 xdr_lpar, struct device *dev)
 931 {
 932         int status;
 933
 934         status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF,
 935                                        xdr_lpar, ps3fb_videomemory.size, 0);
 936         if (status) {
 937                 dev_err(dev, "%s: lv1_gpu_context_iomap failed: %d\n",
 938                         __func__, status);
 939                 return -ENXIO;
 940         }
 941         dev_dbg(dev,
 942                 "video:%p xdr_ea:%p ioif:%lx lpar:%lx phys:%lx size:%lx\n",
 943                 ps3fb_videomemory.address, ps3fb.xdr_ea, GPU_IOIF, xdr_lpar,
 944                 virt_to_abs(ps3fb.xdr_ea), ps3fb_videomemory.size);
 945
 946         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 947                                            L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP,
 948                                            xdr_lpar + ps3fb.xdr_size,
 949                                            GPU_CMD_BUF_SIZE,
 950                                            GPU_IOIF + ps3fb.xdr_size, 0);
 951         if (status) {
 952                 dev_err(dev,
 953                         "%s: lv1_gpu_context_attribute FB_SETUP failed: %d\n",
 954                         __func__, status);
 955                 return -ENXIO;
 956         }
 957         return 0;
 958 }
 959
 960 static struct fb_ops ps3fb_ops = {
 961         .fb_open        = ps3fb_open,
 962         .fb_release     = ps3fb_release,
 963         .fb_read        = fb_sys_read,
 964         .fb_write       = fb_sys_write,
 965         .fb_check_var   = ps3fb_check_var,
 966         .fb_set_par     = ps3fb_set_par,
 967         .fb_setcolreg   = ps3fb_setcolreg,
 968         .fb_fillrect    = sys_fillrect,
 969         .fb_copyarea    = sys_copyarea,
 970         .fb_imageblit   = sys_imageblit,
 971         .fb_mmap        = ps3fb_mmap,
 972         .fb_blank       = ps3fb_blank,
 973         .fb_ioctl       = ps3fb_ioctl,
 974         .fb_compat_ioctl = ps3fb_ioctl
 975 };
 976
 977 static struct fb_fix_screeninfo ps3fb_fix __initdata = {
 978         .id =           DEVICE_NAME,
 979         .type =         FB_TYPE_PACKED_PIXELS,
 980         .visual =       FB_VISUAL_TRUECOLOR,
 981         .accel =        FB_ACCEL_NONE,
 982 };
 983
 984 static int ps3fb_set_sync(struct device *dev)
 985 {
 986         int status;
 987
 988 #ifdef HEAD_A
 989         status = lv1_gpu_context_attribute(0x0,
 990                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
 991                                            0, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
 992         if (status) {
 993                 dev_err(dev,
 994                         "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
 995                         "%d\n",
 996                         __func__, status);
 997                 return -1;
 998         }
 999 #endif
1000 #ifdef HEAD_B
1001         status = lv1_gpu_context_attribute(0x0,
1002                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
1003                                            1, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
1004
1005         if (status) {
1006                 dev_err(dev,
1007                         "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
1008                         "%d\n",
1009                         __func__, status);
1010                 return -1;
1011         }
1012 #endif
1013         return 0;
1014 }
1015
1016 static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev)
1017 {
1018         struct fb_info *info;
1019         struct ps3fb_par *par;
1020         int retval = -ENOMEM;
1021         u32 xres, yres;
1022         u64 ddr_lpar = 0;
1023         u64 lpar_dma_control = 0;
1024         u64 lpar_driver_info = 0;
1025         u64 lpar_reports = 0;
1026         u64 lpar_reports_size = 0;
1027         u64 xdr_lpar;
1028         int status, res_index;
1029         struct task_struct *task;
1030
1031         status = ps3_open_hv_device(dev);
1032         if (status) {
1033                 dev_err(&dev->core, "%s: ps3_open_hv_device failed\n",
1034                         __func__);
1035                 goto err;
1036         }
1037
1038         if (!ps3fb_mode)
1039                 ps3fb_mode = ps3av_get_mode();
1040         dev_dbg(&dev->core, "ps3av_mode:%d\n", ps3fb_mode);
1041
1042         if (ps3fb_mode > 0 &&
1043             !ps3av_video_mode2res(ps3fb_mode, &xres, &yres)) {
1044                 res_index = ps3fb_get_res_table(xres, yres, ps3fb_mode);
1045                 dev_dbg(&dev->core, "res_index:%d\n", res_index);
1046         } else
1047                 res_index = GPU_RES_INDEX;
1048
1049         atomic_set(&ps3fb.f_count, -1); /* fbcon opens ps3fb */
1050         atomic_set(&ps3fb.ext_flip, 0); /* for flip with vsync */
1051         init_waitqueue_head(&ps3fb.wait_vsync);
1052
1053         ps3fb_set_sync(&dev->core);
1054
1055         /* get gpu context handle */
1056         status = lv1_gpu_memory_allocate(DDR_SIZE, 0, 0, 0, 0,
1057                                          &ps3fb.memory_handle, &ddr_lpar);
1058         if (status) {
1059                 dev_err(&dev->core, "%s: lv1_gpu_memory_allocate failed: %d\n",
1060                         __func__, status);
1061                 goto err;
1062         }
1063         dev_dbg(&dev->core, "ddr:lpar:0x%lx\n", ddr_lpar);
1064
1065         status = lv1_gpu_context_allocate(ps3fb.memory_handle, 0,
1066                                           &ps3fb.context_handle,
1067                                           &lpar_dma_control, &lpar_driver_info,
1068                                           &lpar_reports, &lpar_reports_size);
1069         if (status) {
1070                 dev_err(&dev->core,
1071                         "%s: lv1_gpu_context_attribute failed: %d\n", __func__,
1072                         status);
1073                 goto err_gpu_memory_free;
1074         }
1075
1076         /* vsync interrupt */
1077         ps3fb.dinfo = ioremap(lpar_driver_info, 128 * 1024);
1078         if (!ps3fb.dinfo) {
1079                 dev_err(&dev->core, "%s: ioremap failed\n", __func__);
1080                 goto err_gpu_context_free;
1081         }
1082
1083         retval = ps3fb_vsync_settings(ps3fb.dinfo, &dev->core);
1084         if (retval)
1085                 goto err_iounmap_dinfo;
1086
1087         /* XDR frame buffer */
1088         ps3fb.xdr_ea = ps3fb_videomemory.address;
1089         xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb.xdr_ea));
1090
1091         /* Clear memory to prevent kernel info leakage into userspace */
1092         memset(ps3fb.xdr_ea, 0, ps3fb_videomemory.size);
1093
1094         /* The GPU command buffer is at the end of video memory */
1095         ps3fb.xdr_size = ps3fb_videomemory.size - GPU_CMD_BUF_SIZE;
1096
1097         retval = ps3fb_xdr_settings(xdr_lpar, &dev->core);
1098         if (retval)
1099                 goto err_free_irq;
1100
1101         info = framebuffer_alloc(sizeof(struct ps3fb_par), &dev->core);
1102         if (!info)
1103                 goto err_free_irq;
1104
1105         par = info->par;
1106         par->mode_id = ~ps3fb_mode;     /* != ps3fb_mode, to trigger change */
1107         par->new_mode_id = ps3fb_mode;
1108         par->res_index = res_index;
1109         par->num_frames = 1;
1110
1111         info->screen_base = (char __iomem *)ps3fb.xdr_ea;
1112         info->fbops = &ps3fb_ops;
1113
1114         info->fix = ps3fb_fix;
1115         info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea);
1116         info->fix.smem_len = ps3fb.xdr_size;
1117         info->pseudo_palette = par->pseudo_palette;
1118         info->flags = FBINFO_DEFAULT | FBINFO_READS_FAST;
1119
1120         retval = fb_alloc_cmap(&info->cmap, 256, 0);
1121         if (retval < 0)
1122                 goto err_framebuffer_release;
1123
1124         if (!fb_find_mode(&info->var, info, mode_option, ps3fb_modedb,
1125                           ARRAY_SIZE(ps3fb_modedb),
1126                           ps3fb_default_mode(par->new_mode_id), 32)) {
1127                 retval = -EINVAL;
1128                 goto err_fb_dealloc;
1129         }
1130
1131         fb_videomode_to_modelist(ps3fb_modedb, ARRAY_SIZE(ps3fb_modedb),
1132                                  &info->modelist);
1133
1134         retval = register_framebuffer(info);
1135         if (retval < 0)
1136                 goto err_fb_dealloc;
1137
1138         dev->core.driver_data = info;
1139
1140         dev_info(info->device, "%s %s, using %lu KiB of video memory\n",
1141                  dev_driver_string(info->dev), info->dev->bus_id,
1142                  ps3fb.xdr_size >> 10);
1143
1144         task = kthread_run(ps3fbd, info, DEVICE_NAME);
1145         if (IS_ERR(task)) {
1146                 retval = PTR_ERR(task);
1147                 goto err_unregister_framebuffer;
1148         }
1149
1150         ps3fb.task = task;
1151         ps3av_register_flip_ctl(ps3fb_flip_ctl, &ps3fb);
1152
1153         return 0;
1154
1155 err_unregister_framebuffer:
1156         unregister_framebuffer(info);
1157 err_fb_dealloc:
1158         fb_dealloc_cmap(&info->cmap);
1159 err_framebuffer_release:
1160         framebuffer_release(info);
1161 err_free_irq:
1162         free_irq(ps3fb.irq_no, dev);
1163         ps3_irq_plug_destroy(ps3fb.irq_no);
1164 err_iounmap_dinfo:
1165         iounmap((u8 __iomem *)ps3fb.dinfo);
1166 err_gpu_context_free:
1167         lv1_gpu_context_free(ps3fb.context_handle);
1168 err_gpu_memory_free:
1169         lv1_gpu_memory_free(ps3fb.memory_handle);
1170 err:
1171         return retval;
1172 }
1173
1174 static int ps3fb_shutdown(struct ps3_system_bus_device *dev)
1175 {
1176         int status;
1177         struct fb_info *info = dev->core.driver_data;
1178
1179         dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
1180
1181         ps3fb_flip_ctl(0, &ps3fb);      /* flip off */
1182         ps3fb.dinfo->irq.mask = 0;
1183
1184         if (info) {
1185                 unregister_framebuffer(info);
1186                 fb_dealloc_cmap(&info->cmap);
1187                 framebuffer_release(info);
1188         }
1189
1190         ps3av_register_flip_ctl(NULL, NULL);
1191         if (ps3fb.task) {
1192                 struct task_struct *task = ps3fb.task;
1193                 ps3fb.task = NULL;
1194                 kthread_stop(task);
1195         }
1196         if (ps3fb.irq_no) {
1197                 free_irq(ps3fb.irq_no, dev);
1198                 ps3_irq_plug_destroy(ps3fb.irq_no);
1199         }
1200         iounmap((u8 __iomem *)ps3fb.dinfo);
1201
1202         status = lv1_gpu_context_free(ps3fb.context_handle);
1203         if (status)
1204                 dev_dbg(&dev->core, "lv1_gpu_context_free failed: %d\n",
1205                         status);
1206
1207         status = lv1_gpu_memory_free(ps3fb.memory_handle);
1208         if (status)
1209                 dev_dbg(&dev->core, "lv1_gpu_memory_free failed: %d\n",
1210                         status);
1211
1212         ps3_close_hv_device(dev);
1213         dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
1214
1215         return 0;
1216 }
1217
1218 static struct ps3_system_bus_driver ps3fb_driver = {
1219         .match_id       = PS3_MATCH_ID_GRAPHICS,
1220         .core.name      = DEVICE_NAME,
1221         .core.owner     = THIS_MODULE,
1222         .probe          = ps3fb_probe,
1223         .remove         = ps3fb_shutdown,
1224         .shutdown       = ps3fb_shutdown,
1225 };
1226
1227 static int __init ps3fb_setup(void)
1228 {
1229         char *options;
1230
1231 #ifdef MODULE
1232         return 0;
1233 #endif
1234
1235         if (fb_get_options(DEVICE_NAME, &options))
1236                 return -ENXIO;
1237
1238         if (!options || !*options)
1239                 return 0;
1240
1241         while (1) {
1242                 char *this_opt = strsep(&options, ",");
1243
1244                 if (!this_opt)
1245                         break;
1246                 if (!*this_opt)
1247                         continue;
1248                 if (!strncmp(this_opt, "mode:", 5))
1249                         ps3fb_mode = simple_strtoul(this_opt + 5, NULL, 0);
1250                 else
1251                         mode_option = this_opt;
1252         }
1253         return 0;
1254 }
1255
1256 static int __init ps3fb_init(void)
1257 {
1258         if (!ps3fb_videomemory.address ||  ps3fb_setup())
1259                 return -ENXIO;
1260
1261         return ps3_system_bus_driver_register(&ps3fb_driver);
1262 }
1263
1264 static void __exit ps3fb_exit(void)
1265 {
1266         pr_debug(" -> %s:%d\n", __func__, __LINE__);
1267         ps3_system_bus_driver_unregister(&ps3fb_driver);
1268         pr_debug(" <- %s:%d\n", __func__, __LINE__);
1269 }
1270
1271 module_init(ps3fb_init);
1272 module_exit(ps3fb_exit);
1273
1274 MODULE_LICENSE("GPL");
1275 MODULE_DESCRIPTION("PS3 GPU Frame Buffer Driver");
1276 MODULE_AUTHOR("Sony Computer Entertainment Inc.");
1277 MODULE_ALIAS(PS3_MODULE_ALIAS_GRAPHICS);