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   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         unsigned long pan_offset;
 145 };
 146
 147 struct ps3fb_res_table {
 148         u32 xres;
 149         u32 yres;
 150         u32 xoff;
 151         u32 yoff;
 152         u32 type;
 153 };
 154 #define PS3FB_RES_FULL 1
 155 static const struct ps3fb_res_table ps3fb_res[] = {
 156         /* res_x,y   margin_x,y  full */
 157         {  720,  480,  72,  48 , 0},
 158         {  720,  576,  72,  58 , 0},
 159         { 1280,  720,  78,  38 , 0},
 160         { 1920, 1080, 116,  58 , 0},
 161         /* full mode */
 162         {  720,  480,   0,   0 , PS3FB_RES_FULL},
 163         {  720,  576,   0,   0 , PS3FB_RES_FULL},
 164         { 1280,  720,   0,   0 , PS3FB_RES_FULL},
 165         { 1920, 1080,   0,   0 , PS3FB_RES_FULL},
 166         /* vesa: normally full mode */
 167         { 1280,  768,   0,   0 , 0},
 168         { 1280, 1024,   0,   0 , 0},
 169         { 1920, 1200,   0,   0 , 0},
 170         {    0,    0,   0,   0 , 0} };
 171
 172 /* default resolution */
 173 #define GPU_RES_INDEX   0               /* 720 x 480 */
 174
 175 static const struct fb_videomode ps3fb_modedb[] = {
 176     /* 60 Hz broadcast modes (modes "1" to "5") */
 177     {
 178         /* 480i */
 179         "480i", 60, 576, 384, 74074, 130, 89, 78, 57, 63, 6,
 180         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 181     },    {
 182         /* 480p */
 183         "480p", 60, 576, 384, 37037, 130, 89, 78, 57, 63, 6,
 184         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 185     },    {
 186         /* 720p */
 187         "720p", 60, 1124, 644, 13481, 298, 148, 57, 44, 80, 5,
 188         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 189     },    {
 190         /* 1080i */
 191         "1080i", 60, 1688, 964, 13481, 264, 160, 94, 62, 88, 5,
 192         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 193     },    {
 194         /* 1080p */
 195         "1080p", 60, 1688, 964, 6741, 264, 160, 94, 62, 88, 5,
 196         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 197     },
 198
 199     /* 50 Hz broadcast modes (modes "6" to "10") */
 200     {
 201         /* 576i */
 202         "576i", 50, 576, 460, 74074, 142, 83, 97, 63, 63, 5,
 203         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 204     },    {
 205         /* 576p */
 206         "576p", 50, 576, 460, 37037, 142, 83, 97, 63, 63, 5,
 207         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 208     },    {
 209         /* 720p */
 210         "720p", 50, 1124, 644, 13468, 298, 478, 57, 44, 80, 5,
 211         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 212     },    {
 213         /* 1080 */
 214         "1080i", 50, 1688, 964, 13468, 264, 600, 94, 62, 88, 5,
 215         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 216     },    {
 217         /* 1080p */
 218         "1080p", 50, 1688, 964, 6734, 264, 600, 94, 62, 88, 5,
 219         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 220     },
 221
 222     /* VESA modes (modes "11" to "13") */
 223     {
 224         /* WXGA */
 225         "wxga", 60, 1280, 768, 12924, 160, 24, 29, 3, 136, 6,
 226         0, FB_VMODE_NONINTERLACED,
 227         FB_MODE_IS_VESA
 228     }, {
 229         /* SXGA */
 230         "sxga", 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3,
 231         FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED,
 232         FB_MODE_IS_VESA
 233     }, {
 234         /* WUXGA */
 235         "wuxga", 60, 1920, 1200, 6494, 80, 48, 26, 3, 32, 6,
 236         FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED,
 237         FB_MODE_IS_VESA
 238     },
 239
 240     /* 60 Hz broadcast modes (full resolution versions of modes "1" to "5") */
 241     {
 242         /* 480if */
 243         "480if", 60, 720, 480, 74074, 58, 17, 30, 9, 63, 6,
 244         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 245     }, {
 246         /* 480pf */
 247         "480pf", 60, 720, 480, 37037, 58, 17, 30, 9, 63, 6,
 248         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 249     }, {
 250         /* 720pf */
 251         "720pf", 60, 1280, 720, 13481, 220, 70, 19, 6, 80, 5,
 252         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 253     }, {
 254         /* 1080if */
 255         "1080if", 60, 1920, 1080, 13481, 148, 44, 36, 4, 88, 5,
 256         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 257     }, {
 258         /* 1080pf */
 259         "1080pf", 60, 1920, 1080, 6741, 148, 44, 36, 4, 88, 5,
 260         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 261     },
 262
 263     /* 50 Hz broadcast modes (full resolution versions of modes "6" to "10") */
 264     {
 265         /* 576if */
 266         "576if", 50, 720, 576, 74074, 70, 11, 39, 5, 63, 5,
 267         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 268     }, {
 269         /* 576pf */
 270         "576pf", 50, 720, 576, 37037, 70, 11, 39, 5, 63, 5,
 271         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 272     }, {
 273         /* 720pf */
 274         "720pf", 50, 1280, 720, 13468, 220, 400, 19, 6, 80, 5,
 275         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 276     }, {
 277         /* 1080if */
 278         "1080f", 50, 1920, 1080, 13468, 148, 484, 36, 4, 88, 5,
 279         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 280     }, {
 281         /* 1080pf */
 282         "1080pf", 50, 1920, 1080, 6734, 148, 484, 36, 4, 88, 5,
 283         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 284     }
 285 };
 286
 287
 288 #define HEAD_A
 289 #define HEAD_B
 290
 291 #define X_OFF(i)        (ps3fb_res[i].xoff)     /* left/right margin (pixel) */
 292 #define Y_OFF(i)        (ps3fb_res[i].yoff)     /* top/bottom margin (pixel) */
 293 #define WIDTH(i)        (ps3fb_res[i].xres)     /* width of FB */
 294 #define HEIGHT(i)       (ps3fb_res[i].yres)     /* height of FB */
 295 #define BPP             4                       /* number of bytes per pixel */
 296
 297 /* Start of the virtual frame buffer (relative to fullscreen ) */
 298 #define VP_OFF(i)       ((WIDTH(i) * Y_OFF(i) + X_OFF(i)) * BPP)
 299
 300
 301 static int ps3fb_mode;
 302 module_param(ps3fb_mode, int, 0);
 303
 304 static char *mode_option __devinitdata;
 305
 306 static int ps3fb_get_res_table(u32 xres, u32 yres, int mode)
 307 {
 308         int full_mode;
 309         unsigned int i;
 310         u32 x, y, f;
 311
 312         full_mode = (mode & PS3FB_FULL_MODE_BIT) ? PS3FB_RES_FULL : 0;
 313         for (i = 0;; i++) {
 314                 x = ps3fb_res[i].xres;
 315                 y = ps3fb_res[i].yres;
 316                 f = ps3fb_res[i].type;
 317
 318                 if (!x) {
 319                         pr_debug("ERROR: ps3fb_get_res_table()\n");
 320                         return -1;
 321                 }
 322
 323                 if (full_mode == PS3FB_RES_FULL && f != PS3FB_RES_FULL)
 324                         continue;
 325
 326                 if (x == xres && (yres == 0 || y == yres))
 327                         break;
 328
 329                 x = x - 2 * ps3fb_res[i].xoff;
 330                 y = y - 2 * ps3fb_res[i].yoff;
 331                 if (x == xres && (yres == 0 || y == yres))
 332                         break;
 333         }
 334         return i;
 335 }
 336
 337 static unsigned int ps3fb_find_mode(const struct fb_var_screeninfo *var,
 338                                     u32 *line_length)
 339 {
 340         unsigned int i, mode;
 341
 342         for (i = 0; i < ARRAY_SIZE(ps3fb_modedb); i++)
 343                 if (var->xres == ps3fb_modedb[i].xres &&
 344                     var->yres == ps3fb_modedb[i].yres &&
 345                     var->pixclock == ps3fb_modedb[i].pixclock &&
 346                     var->hsync_len == ps3fb_modedb[i].hsync_len &&
 347                     var->vsync_len == ps3fb_modedb[i].vsync_len &&
 348                     var->left_margin == ps3fb_modedb[i].left_margin &&
 349                     var->right_margin == ps3fb_modedb[i].right_margin &&
 350                     var->upper_margin == ps3fb_modedb[i].upper_margin &&
 351                     var->lower_margin == ps3fb_modedb[i].lower_margin &&
 352                     var->sync == ps3fb_modedb[i].sync &&
 353                     (var->vmode & FB_VMODE_MASK) == ps3fb_modedb[i].vmode) {
 354                         /* Cropped broadcast modes use the full line_length */
 355                         *line_length =
 356                             ps3fb_modedb[i < 10 ? i + 13 : i].xres * 4;
 357                         /* Full broadcast modes have the full mode bit set */
 358                         mode = i > 12 ? (i - 12) | PS3FB_FULL_MODE_BIT : i + 1;
 359
 360                         pr_debug("ps3fb_find_mode: mode %u\n", mode);
 361                         return mode;
 362                 }
 363
 364         pr_debug("ps3fb_find_mode: mode not found\n");
 365         return 0;
 366 }
 367
 368 static const struct fb_videomode *ps3fb_default_mode(int id)
 369 {
 370         u32 mode = id & PS3AV_MODE_MASK;
 371         u32 flags;
 372
 373         if (mode < 1 || mode > 13)
 374                 return NULL;
 375
 376         flags = id & ~PS3AV_MODE_MASK;
 377
 378         if (mode <= 10 && flags & PS3FB_FULL_MODE_BIT) {
 379                 /* Full broadcast mode */
 380                 return &ps3fb_modedb[mode + 12];
 381         }
 382
 383         return &ps3fb_modedb[mode - 1];
 384 }
 385
 386 static void ps3fb_sync_image(struct device *dev, u64 frame_offset,
 387                              u64 dst_offset, u64 src_offset, u32 width,
 388                              u32 height, u64 line_length)
 389 {
 390         int status;
 391
 392         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 393                                            L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT,
 394                                            dst_offset, GPU_IOIF + src_offset,
 395                                            L1GPU_FB_BLIT_WAIT_FOR_COMPLETION |
 396                                            (width << 16) | height,
 397                                            line_length);
 398         if (status)
 399                 dev_err(dev,
 400                         "%s: lv1_gpu_context_attribute FB_BLIT failed: %d\n",
 401                         __func__, status);
 402 #ifdef HEAD_A
 403         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 404                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
 405                                            0, frame_offset, 0, 0);
 406         if (status)
 407                 dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
 408                         __func__, status);
 409 #endif
 410 #ifdef HEAD_B
 411         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 412                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
 413                                            1, frame_offset, 0, 0);
 414         if (status)
 415                 dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
 416                         __func__, status);
 417 #endif
 418 }
 419
 420 static int ps3fb_sync(struct fb_info *info, u32 frame)
 421 {
 422         struct ps3fb_par *par = info->par;
 423         int i, error = 0;
 424         u32 xres, yres;
 425         u64 line_length, base;
 426
 427         acquire_console_sem();
 428
 429         if (frame > par->num_frames - 1) {
 430                 dev_dbg(info->device, "%s: invalid frame number (%u)\n",
 431                         __func__, frame);
 432                 error = -EINVAL;
 433                 goto out;
 434         }
 435
 436         i = par->res_index;
 437         xres = ps3fb_res[i].xres;
 438         yres = ps3fb_res[i].yres;
 439
 440         line_length = xres * BPP;
 441         base = frame * yres * line_length;
 442
 443         ps3fb_sync_image(info->device, base + par->full_offset,
 444                          base + par->fb_offset, base + par->pan_offset,
 445                          par->width, par->height, line_length);
 446
 447 out:
 448         release_console_sem();
 449         return error;
 450 }
 451
 452 static int ps3fb_open(struct fb_info *info, int user)
 453 {
 454         atomic_inc(&ps3fb.f_count);
 455         return 0;
 456 }
 457
 458 static int ps3fb_release(struct fb_info *info, int user)
 459 {
 460         if (atomic_dec_and_test(&ps3fb.f_count)) {
 461                 if (atomic_read(&ps3fb.ext_flip)) {
 462                         atomic_set(&ps3fb.ext_flip, 0);
 463                         ps3fb_sync(info, 0);    /* single buffer */
 464                 }
 465         }
 466         return 0;
 467 }
 468
 469     /*
 470      *  Setting the video mode has been split into two parts.
 471      *  First part, xxxfb_check_var, must not write anything
 472      *  to hardware, it should only verify and adjust var.
 473      *  This means it doesn't alter par but it does use hardware
 474      *  data from it to check this var.
 475      */
 476
 477 static int ps3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 478 {
 479         u32 line_length;
 480         int mode;
 481
 482         dev_dbg(info->device, "var->xres:%u info->var.xres:%u\n", var->xres,
 483                 info->var.xres);
 484         dev_dbg(info->device, "var->yres:%u info->var.yres:%u\n", var->yres,
 485                 info->var.yres);
 486
 487         /* FIXME For now we do exact matches only */
 488         mode = ps3fb_find_mode(var, &line_length);
 489         if (!mode)
 490                 return -EINVAL;
 491
 492         /* Virtual screen */
 493         if (var->xres_virtual < var->xres)
 494                 var->xres_virtual = var->xres;
 495         if (var->yres_virtual < var->yres)
 496                 var->yres_virtual = var->yres;
 497
 498         if (var->xres_virtual > line_length / BPP) {
 499                 dev_dbg(info->device,
 500                         "Horizontal virtual screen size too large\n");
 501                 return -EINVAL;
 502         }
 503
 504         if (var->xoffset + var->xres > var->xres_virtual ||
 505             var->yoffset + var->yres > var->yres_virtual) {
 506                 dev_dbg(info->device, "panning out-of-range\n");
 507                 return -EINVAL;
 508         }
 509
 510         /* We support ARGB8888 only */
 511         if (var->bits_per_pixel > 32 || var->grayscale ||
 512             var->red.offset > 16 || var->green.offset > 8 ||
 513             var->blue.offset > 0 || var->transp.offset > 24 ||
 514             var->red.length > 8 || var->green.length > 8 ||
 515             var->blue.length > 8 || var->transp.length > 8 ||
 516             var->red.msb_right || var->green.msb_right ||
 517             var->blue.msb_right || var->transp.msb_right || var->nonstd) {
 518                 dev_dbg(info->device, "We support ARGB8888 only\n");
 519                 return -EINVAL;
 520         }
 521
 522         var->bits_per_pixel = 32;
 523         var->red.offset = 16;
 524         var->green.offset = 8;
 525         var->blue.offset = 0;
 526         var->transp.offset = 24;
 527         var->red.length = 8;
 528         var->green.length = 8;
 529         var->blue.length = 8;
 530         var->transp.length = 8;
 531         var->red.msb_right = 0;
 532         var->green.msb_right = 0;
 533         var->blue.msb_right = 0;
 534         var->transp.msb_right = 0;
 535
 536         /* Rotation is not supported */
 537         if (var->rotate) {
 538                 dev_dbg(info->device, "Rotation is not supported\n");
 539                 return -EINVAL;
 540         }
 541
 542         /* Memory limit */
 543         if (var->yres_virtual * line_length > ps3fb.xdr_size) {
 544                 dev_dbg(info->device, "Not enough memory\n");
 545                 return -ENOMEM;
 546         }
 547
 548         var->height = -1;
 549         var->width = -1;
 550
 551         return 0;
 552 }
 553
 554     /*
 555      * This routine actually sets the video mode.
 556      */
 557
 558 static int ps3fb_set_par(struct fb_info *info)
 559 {
 560         struct ps3fb_par *par = info->par;
 561         unsigned int mode, line_length, lines, maxlines;
 562         int i;
 563         unsigned long offset, dst;
 564
 565         dev_dbg(info->device, "xres:%d xv:%d yres:%d yv:%d clock:%d\n",
 566                 info->var.xres, info->var.xres_virtual,
 567                 info->var.yres, info->var.yres_virtual, info->var.pixclock);
 568
 569         mode = ps3fb_find_mode(&info->var, &line_length);
 570         if (!mode)
 571                 return -EINVAL;
 572
 573         i = ps3fb_get_res_table(info->var.xres, info->var.yres, mode);
 574         par->res_index = i;
 575
 576         info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea);
 577         info->fix.smem_len = ps3fb.xdr_size;
 578         info->fix.xpanstep = info->var.xres_virtual > info->var.xres ? 1 : 0;
 579         info->fix.ypanstep = info->var.yres_virtual > info->var.yres ? 1 : 0;
 580         info->fix.line_length = line_length;
 581
 582         info->screen_base = (char __iomem *)ps3fb.xdr_ea;
 583
 584         par->num_frames = info->fix.smem_len/
 585                           (ps3fb_res[i].xres*ps3fb_res[i].yres*BPP);
 586
 587         /* Keep the special bits we cannot set using fb_var_screeninfo */
 588         par->new_mode_id = (par->new_mode_id & ~PS3AV_MODE_MASK) | mode;
 589
 590         par->width = info->var.xres;
 591         par->height = info->var.yres;
 592         offset = VP_OFF(i);
 593         par->fb_offset = GPU_ALIGN_UP(offset);
 594         par->full_offset = par->fb_offset - offset;
 595         par->pan_offset = info->var.yoffset * line_length +
 596                           info->var.xoffset * BPP;
 597
 598         if (par->new_mode_id != par->mode_id) {
 599                 if (ps3av_set_video_mode(par->new_mode_id)) {
 600                         par->new_mode_id = par->mode_id;
 601                         return -EINVAL;
 602                 }
 603                 par->mode_id = par->new_mode_id;
 604         }
 605
 606         /* Clear XDR frame buffer memory */
 607         memset(ps3fb.xdr_ea, 0, ps3fb.xdr_size);
 608
 609         /* Clear DDR frame buffer memory */
 610         lines = ps3fb_res[i].yres * par->num_frames;
 611         if (par->full_offset)
 612                 lines++;
 613         maxlines = ps3fb.xdr_size / line_length;
 614         for (dst = 0; lines; dst += maxlines * line_length) {
 615                 unsigned int l = min(lines, maxlines);
 616                 ps3fb_sync_image(info->device, 0, dst, 0, ps3fb_res[i].xres, l,
 617                                  line_length);
 618                 lines -= l;
 619         }
 620
 621         return 0;
 622 }
 623
 624     /*
 625      *  Set a single color register. The values supplied are already
 626      *  rounded down to the hardware's capabilities (according to the
 627      *  entries in the var structure). Return != 0 for invalid regno.
 628      */
 629
 630 static int ps3fb_setcolreg(unsigned int regno, unsigned int red,
 631                            unsigned int green, unsigned int blue,
 632                            unsigned int transp, struct fb_info *info)
 633 {
 634         if (regno >= 16)
 635                 return 1;
 636
 637         red >>= 8;
 638         green >>= 8;
 639         blue >>= 8;
 640         transp >>= 8;
 641
 642         ((u32 *)info->pseudo_palette)[regno] = transp << 24 | red << 16 |
 643                                                green << 8 | blue;
 644         return 0;
 645 }
 646
 647 static int ps3fb_pan_display(struct fb_var_screeninfo *var,
 648                              struct fb_info *info)
 649 {
 650         struct ps3fb_par *par = info->par;
 651
 652         par->pan_offset = var->yoffset * info->fix.line_length +
 653                           var->xoffset * BPP;
 654         return 0;
 655 }
 656
 657     /*
 658      *  As we have a virtual frame buffer, we need our own mmap function
 659      */
 660
 661 static int ps3fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
 662 {
 663         unsigned long size, offset;
 664
 665         size = vma->vm_end - vma->vm_start;
 666         offset = vma->vm_pgoff << PAGE_SHIFT;
 667         if (offset + size > info->fix.smem_len)
 668                 return -EINVAL;
 669
 670         offset += info->fix.smem_start;
 671         if (remap_pfn_range(vma, vma->vm_start, offset >> PAGE_SHIFT,
 672                             size, vma->vm_page_prot))
 673                 return -EAGAIN;
 674
 675         dev_dbg(info->device, "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n",
 676                 offset, vma->vm_start);
 677         return 0;
 678 }
 679
 680     /*
 681      * Blank the display
 682      */
 683
 684 static int ps3fb_blank(int blank, struct fb_info *info)
 685 {
 686         int retval;
 687
 688         dev_dbg(info->device, "%s: blank:%d\n", __func__, blank);
 689         switch (blank) {
 690         case FB_BLANK_POWERDOWN:
 691         case FB_BLANK_HSYNC_SUSPEND:
 692         case FB_BLANK_VSYNC_SUSPEND:
 693         case FB_BLANK_NORMAL:
 694                 retval = ps3av_video_mute(1);   /* mute on */
 695                 if (!retval)
 696                         ps3fb.is_blanked = 1;
 697                 break;
 698
 699         default:                /* unblank */
 700                 retval = ps3av_video_mute(0);   /* mute off */
 701                 if (!retval)
 702                         ps3fb.is_blanked = 0;
 703                 break;
 704         }
 705         return retval;
 706 }
 707
 708 static int ps3fb_get_vblank(struct fb_vblank *vblank)
 709 {
 710         memset(vblank, 0, sizeof(&vblank));
 711         vblank->flags = FB_VBLANK_HAVE_VSYNC;
 712         return 0;
 713 }
 714
 715 static int ps3fb_wait_for_vsync(u32 crtc)
 716 {
 717         int ret;
 718         u64 count;
 719
 720         count = ps3fb.vblank_count;
 721         ret = wait_event_interruptible_timeout(ps3fb.wait_vsync,
 722                                                count != ps3fb.vblank_count,
 723                                                HZ / 10);
 724         if (!ret)
 725                 return -ETIMEDOUT;
 726
 727         return 0;
 728 }
 729
 730 static void ps3fb_flip_ctl(int on, void *data)
 731 {
 732         struct ps3fb_priv *priv = data;
 733         if (on)
 734                 atomic_dec_if_positive(&priv->ext_flip);
 735         else
 736                 atomic_inc(&priv->ext_flip);
 737 }
 738
 739
 740     /*
 741      * ioctl
 742      */
 743
 744 static int ps3fb_ioctl(struct fb_info *info, unsigned int cmd,
 745                        unsigned long arg)
 746 {
 747         void __user *argp = (void __user *)arg;
 748         u32 val;
 749         int retval = -EFAULT;
 750
 751         switch (cmd) {
 752         case FBIOGET_VBLANK:
 753                 {
 754                         struct fb_vblank vblank;
 755                         dev_dbg(info->device, "FBIOGET_VBLANK:\n");
 756                         retval = ps3fb_get_vblank(&vblank);
 757                         if (retval)
 758                                 break;
 759
 760                         if (copy_to_user(argp, &vblank, sizeof(vblank)))
 761                                 retval = -EFAULT;
 762                         break;
 763                 }
 764
 765         case FBIO_WAITFORVSYNC:
 766                 {
 767                         u32 crt;
 768                         dev_dbg(info->device, "FBIO_WAITFORVSYNC:\n");
 769                         if (get_user(crt, (u32 __user *) arg))
 770                                 break;
 771
 772                         retval = ps3fb_wait_for_vsync(crt);
 773                         break;
 774                 }
 775
 776         case PS3FB_IOCTL_SETMODE:
 777                 {
 778                         struct ps3fb_par *par = info->par;
 779                         const struct fb_videomode *mode;
 780                         struct fb_var_screeninfo var;
 781
 782                         if (copy_from_user(&val, argp, sizeof(val)))
 783                                 break;
 784
 785                         if (!(val & PS3AV_MODE_MASK)) {
 786                                 u32 id = ps3av_get_auto_mode();
 787                                 if (id > 0)
 788                                         val = (val & ~PS3AV_MODE_MASK) | id;
 789                         }
 790                         dev_dbg(info->device, "PS3FB_IOCTL_SETMODE:%x\n", val);
 791                         retval = -EINVAL;
 792                         mode = ps3fb_default_mode(val);
 793                         if (mode) {
 794                                 var = info->var;
 795                                 fb_videomode_to_var(&var, mode);
 796                                 acquire_console_sem();
 797                                 info->flags |= FBINFO_MISC_USEREVENT;
 798                                 /* Force, in case only special bits changed */
 799                                 var.activate |= FB_ACTIVATE_FORCE;
 800                                 par->new_mode_id = val;
 801                                 retval = fb_set_var(info, &var);
 802                                 info->flags &= ~FBINFO_MISC_USEREVENT;
 803                                 release_console_sem();
 804                         }
 805                         break;
 806                 }
 807
 808         case PS3FB_IOCTL_GETMODE:
 809                 val = ps3av_get_mode();
 810                 dev_dbg(info->device, "PS3FB_IOCTL_GETMODE:%x\n", val);
 811                 if (!copy_to_user(argp, &val, sizeof(val)))
 812                         retval = 0;
 813                 break;
 814
 815         case PS3FB_IOCTL_SCREENINFO:
 816                 {
 817                         struct ps3fb_par *par = info->par;
 818                         struct ps3fb_ioctl_res res;
 819                         int i = par->res_index;
 820                         dev_dbg(info->device, "PS3FB_IOCTL_SCREENINFO:\n");
 821                         res.xres = ps3fb_res[i].xres;
 822                         res.yres = ps3fb_res[i].yres;
 823                         res.xoff = ps3fb_res[i].xoff;
 824                         res.yoff = ps3fb_res[i].yoff;
 825                         res.num_frames = par->num_frames;
 826                         if (!copy_to_user(argp, &res, sizeof(res)))
 827                                 retval = 0;
 828                         break;
 829                 }
 830
 831         case PS3FB_IOCTL_ON:
 832                 dev_dbg(info->device, "PS3FB_IOCTL_ON:\n");
 833                 atomic_inc(&ps3fb.ext_flip);
 834                 retval = 0;
 835                 break;
 836
 837         case PS3FB_IOCTL_OFF:
 838                 dev_dbg(info->device, "PS3FB_IOCTL_OFF:\n");
 839                 atomic_dec_if_positive(&ps3fb.ext_flip);
 840                 retval = 0;
 841                 break;
 842
 843         case PS3FB_IOCTL_FSEL:
 844                 if (copy_from_user(&val, argp, sizeof(val)))
 845                         break;
 846
 847                 dev_dbg(info->device, "PS3FB_IOCTL_FSEL:%d\n", val);
 848                 retval = ps3fb_sync(info, val);
 849                 break;
 850
 851         default:
 852                 retval = -ENOIOCTLCMD;
 853                 break;
 854         }
 855         return retval;
 856 }
 857
 858 static int ps3fbd(void *arg)
 859 {
 860         struct fb_info *info = arg;
 861
 862         set_freezable();
 863         while (!kthread_should_stop()) {
 864                 try_to_freeze();
 865                 set_current_state(TASK_INTERRUPTIBLE);
 866                 if (ps3fb.is_kicked) {
 867                         ps3fb.is_kicked = 0;
 868                         ps3fb_sync(info, 0);    /* single buffer */
 869                 }
 870                 schedule();
 871         }
 872         return 0;
 873 }
 874
 875 static irqreturn_t ps3fb_vsync_interrupt(int irq, void *ptr)
 876 {
 877         struct device *dev = ptr;
 878         u64 v1;
 879         int status;
 880         struct display_head *head = &ps3fb.dinfo->display_head[1];
 881
 882         status = lv1_gpu_context_intr(ps3fb.context_handle, &v1);
 883         if (status) {
 884                 dev_err(dev, "%s: lv1_gpu_context_intr failed: %d\n", __func__,
 885                         status);
 886                 return IRQ_NONE;
 887         }
 888
 889         if (v1 & (1 << GPU_INTR_STATUS_VSYNC_1)) {
 890                 /* VSYNC */
 891                 ps3fb.vblank_count = head->vblank_count;
 892                 if (ps3fb.task && !ps3fb.is_blanked &&
 893                     !atomic_read(&ps3fb.ext_flip)) {
 894                         ps3fb.is_kicked = 1;
 895                         wake_up_process(ps3fb.task);
 896                 }
 897                 wake_up_interruptible(&ps3fb.wait_vsync);
 898         }
 899
 900         return IRQ_HANDLED;
 901 }
 902
 903
 904 static int ps3fb_vsync_settings(struct gpu_driver_info *dinfo,
 905                                 struct device *dev)
 906 {
 907         int error;
 908
 909         dev_dbg(dev, "version_driver:%x\n", dinfo->version_driver);
 910         dev_dbg(dev, "irq outlet:%x\n", dinfo->irq.irq_outlet);
 911         dev_dbg(dev,
 912                 "version_gpu: %x memory_size: %x ch: %x core_freq: %d "
 913                 "mem_freq:%d\n",
 914                 dinfo->version_gpu, dinfo->memory_size, dinfo->hardware_channel,
 915                 dinfo->nvcore_frequency/1000000, dinfo->memory_frequency/1000000);
 916
 917         if (dinfo->version_driver != GPU_DRIVER_INFO_VERSION) {
 918                 dev_err(dev, "%s: version_driver err:%x\n", __func__,
 919                         dinfo->version_driver);
 920                 return -EINVAL;
 921         }
 922
 923         error = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet,
 924                                    &ps3fb.irq_no);
 925         if (error) {
 926                 dev_err(dev, "%s: ps3_alloc_irq failed %d\n", __func__, error);
 927                 return error;
 928         }
 929
 930         error = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt, IRQF_DISABLED,
 931                             DEVICE_NAME, dev);
 932         if (error) {
 933                 dev_err(dev, "%s: request_irq failed %d\n", __func__, error);
 934                 ps3_irq_plug_destroy(ps3fb.irq_no);
 935                 return error;
 936         }
 937
 938         dinfo->irq.mask = (1 << GPU_INTR_STATUS_VSYNC_1) |
 939                           (1 << GPU_INTR_STATUS_FLIP_1);
 940         return 0;
 941 }
 942
 943 static int ps3fb_xdr_settings(u64 xdr_lpar, struct device *dev)
 944 {
 945         int status;
 946
 947         status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF,
 948                                        xdr_lpar, ps3fb_videomemory.size, 0);
 949         if (status) {
 950                 dev_err(dev, "%s: lv1_gpu_context_iomap failed: %d\n",
 951                         __func__, status);
 952                 return -ENXIO;
 953         }
 954         dev_dbg(dev,
 955                 "video:%p xdr_ea:%p ioif:%lx lpar:%lx phys:%lx size:%lx\n",
 956                 ps3fb_videomemory.address, ps3fb.xdr_ea, GPU_IOIF, xdr_lpar,
 957                 virt_to_abs(ps3fb.xdr_ea), ps3fb_videomemory.size);
 958
 959         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 960                                            L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP,
 961                                            xdr_lpar + ps3fb.xdr_size,
 962                                            GPU_CMD_BUF_SIZE,
 963                                            GPU_IOIF + ps3fb.xdr_size, 0);
 964         if (status) {
 965                 dev_err(dev,
 966                         "%s: lv1_gpu_context_attribute FB_SETUP failed: %d\n",
 967                         __func__, status);
 968                 return -ENXIO;
 969         }
 970         return 0;
 971 }
 972
 973 static struct fb_ops ps3fb_ops = {
 974         .fb_open        = ps3fb_open,
 975         .fb_release     = ps3fb_release,
 976         .fb_read        = fb_sys_read,
 977         .fb_write       = fb_sys_write,
 978         .fb_check_var   = ps3fb_check_var,
 979         .fb_set_par     = ps3fb_set_par,
 980         .fb_setcolreg   = ps3fb_setcolreg,
 981         .fb_pan_display = ps3fb_pan_display,
 982         .fb_fillrect    = sys_fillrect,
 983         .fb_copyarea    = sys_copyarea,
 984         .fb_imageblit   = sys_imageblit,
 985         .fb_mmap        = ps3fb_mmap,
 986         .fb_blank       = ps3fb_blank,
 987         .fb_ioctl       = ps3fb_ioctl,
 988         .fb_compat_ioctl = ps3fb_ioctl
 989 };
 990
 991 static struct fb_fix_screeninfo ps3fb_fix __initdata = {
 992         .id =           DEVICE_NAME,
 993         .type =         FB_TYPE_PACKED_PIXELS,
 994         .visual =       FB_VISUAL_TRUECOLOR,
 995         .accel =        FB_ACCEL_NONE,
 996 };
 997
 998 static int ps3fb_set_sync(struct device *dev)
 999 {
1000         int status;
1001
1002 #ifdef HEAD_A
1003         status = lv1_gpu_context_attribute(0x0,
1004                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
1005                                            0, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
1006         if (status) {
1007                 dev_err(dev,
1008                         "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
1009                         "%d\n",
1010                         __func__, status);
1011                 return -1;
1012         }
1013 #endif
1014 #ifdef HEAD_B
1015         status = lv1_gpu_context_attribute(0x0,
1016                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
1017                                            1, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
1018
1019         if (status) {
1020                 dev_err(dev,
1021                         "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
1022                         "%d\n",
1023                         __func__, status);
1024                 return -1;
1025         }
1026 #endif
1027         return 0;
1028 }
1029
1030 static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev)
1031 {
1032         struct fb_info *info;
1033         struct ps3fb_par *par;
1034         int retval = -ENOMEM;
1035         u32 xres, yres;
1036         u64 ddr_lpar = 0;
1037         u64 lpar_dma_control = 0;
1038         u64 lpar_driver_info = 0;
1039         u64 lpar_reports = 0;
1040         u64 lpar_reports_size = 0;
1041         u64 xdr_lpar;
1042         int status, res_index;
1043         struct task_struct *task;
1044
1045         status = ps3_open_hv_device(dev);
1046         if (status) {
1047                 dev_err(&dev->core, "%s: ps3_open_hv_device failed\n",
1048                         __func__);
1049                 goto err;
1050         }
1051
1052         if (!ps3fb_mode)
1053                 ps3fb_mode = ps3av_get_mode();
1054         dev_dbg(&dev->core, "ps3av_mode:%d\n", ps3fb_mode);
1055
1056         if (ps3fb_mode > 0 &&
1057             !ps3av_video_mode2res(ps3fb_mode, &xres, &yres)) {
1058                 res_index = ps3fb_get_res_table(xres, yres, ps3fb_mode);
1059                 dev_dbg(&dev->core, "res_index:%d\n", res_index);
1060         } else
1061                 res_index = GPU_RES_INDEX;
1062
1063         atomic_set(&ps3fb.f_count, -1); /* fbcon opens ps3fb */
1064         atomic_set(&ps3fb.ext_flip, 0); /* for flip with vsync */
1065         init_waitqueue_head(&ps3fb.wait_vsync);
1066
1067         ps3fb_set_sync(&dev->core);
1068
1069         /* get gpu context handle */
1070         status = lv1_gpu_memory_allocate(DDR_SIZE, 0, 0, 0, 0,
1071                                          &ps3fb.memory_handle, &ddr_lpar);
1072         if (status) {
1073                 dev_err(&dev->core, "%s: lv1_gpu_memory_allocate failed: %d\n",
1074                         __func__, status);
1075                 goto err;
1076         }
1077         dev_dbg(&dev->core, "ddr:lpar:0x%lx\n", ddr_lpar);
1078
1079         status = lv1_gpu_context_allocate(ps3fb.memory_handle, 0,
1080                                           &ps3fb.context_handle,
1081                                           &lpar_dma_control, &lpar_driver_info,
1082                                           &lpar_reports, &lpar_reports_size);
1083         if (status) {
1084                 dev_err(&dev->core,
1085                         "%s: lv1_gpu_context_attribute failed: %d\n", __func__,
1086                         status);
1087                 goto err_gpu_memory_free;
1088         }
1089
1090         /* vsync interrupt */
1091         ps3fb.dinfo = ioremap(lpar_driver_info, 128 * 1024);
1092         if (!ps3fb.dinfo) {
1093                 dev_err(&dev->core, "%s: ioremap failed\n", __func__);
1094                 goto err_gpu_context_free;
1095         }
1096
1097         retval = ps3fb_vsync_settings(ps3fb.dinfo, &dev->core);
1098         if (retval)
1099                 goto err_iounmap_dinfo;
1100
1101         /* XDR frame buffer */
1102         ps3fb.xdr_ea = ps3fb_videomemory.address;
1103         xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb.xdr_ea));
1104
1105         /* Clear memory to prevent kernel info leakage into userspace */
1106         memset(ps3fb.xdr_ea, 0, ps3fb_videomemory.size);
1107
1108         /* The GPU command buffer is at the end of video memory */
1109         ps3fb.xdr_size = ps3fb_videomemory.size - GPU_CMD_BUF_SIZE;
1110
1111         retval = ps3fb_xdr_settings(xdr_lpar, &dev->core);
1112         if (retval)
1113                 goto err_free_irq;
1114
1115         info = framebuffer_alloc(sizeof(struct ps3fb_par), &dev->core);
1116         if (!info)
1117                 goto err_free_irq;
1118
1119         par = info->par;
1120         par->mode_id = ~ps3fb_mode;     /* != ps3fb_mode, to trigger change */
1121         par->new_mode_id = ps3fb_mode;
1122         par->res_index = res_index;
1123         par->num_frames = 1;
1124
1125         info->screen_base = (char __iomem *)ps3fb.xdr_ea;
1126         info->fbops = &ps3fb_ops;
1127
1128         info->fix = ps3fb_fix;
1129         info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea);
1130         info->fix.smem_len = ps3fb.xdr_size;
1131         info->pseudo_palette = par->pseudo_palette;
1132         info->flags = FBINFO_DEFAULT | FBINFO_READS_FAST |
1133                       FBINFO_HWACCEL_XPAN | FBINFO_HWACCEL_YPAN;
1134
1135         retval = fb_alloc_cmap(&info->cmap, 256, 0);
1136         if (retval < 0)
1137                 goto err_framebuffer_release;
1138
1139         if (!fb_find_mode(&info->var, info, mode_option, ps3fb_modedb,
1140                           ARRAY_SIZE(ps3fb_modedb),
1141                           ps3fb_default_mode(par->new_mode_id), 32)) {
1142                 retval = -EINVAL;
1143                 goto err_fb_dealloc;
1144         }
1145
1146         fb_videomode_to_modelist(ps3fb_modedb, ARRAY_SIZE(ps3fb_modedb),
1147                                  &info->modelist);
1148
1149         retval = register_framebuffer(info);
1150         if (retval < 0)
1151                 goto err_fb_dealloc;
1152
1153         dev->core.driver_data = info;
1154
1155         dev_info(info->device, "%s %s, using %lu KiB of video memory\n",
1156                  dev_driver_string(info->dev), info->dev->bus_id,
1157                  ps3fb.xdr_size >> 10);
1158
1159         task = kthread_run(ps3fbd, info, DEVICE_NAME);
1160         if (IS_ERR(task)) {
1161                 retval = PTR_ERR(task);
1162                 goto err_unregister_framebuffer;
1163         }
1164
1165         ps3fb.task = task;
1166         ps3av_register_flip_ctl(ps3fb_flip_ctl, &ps3fb);
1167
1168         return 0;
1169
1170 err_unregister_framebuffer:
1171         unregister_framebuffer(info);
1172 err_fb_dealloc:
1173         fb_dealloc_cmap(&info->cmap);
1174 err_framebuffer_release:
1175         framebuffer_release(info);
1176 err_free_irq:
1177         free_irq(ps3fb.irq_no, dev);
1178         ps3_irq_plug_destroy(ps3fb.irq_no);
1179 err_iounmap_dinfo:
1180         iounmap((u8 __iomem *)ps3fb.dinfo);
1181 err_gpu_context_free:
1182         lv1_gpu_context_free(ps3fb.context_handle);
1183 err_gpu_memory_free:
1184         lv1_gpu_memory_free(ps3fb.memory_handle);
1185 err:
1186         return retval;
1187 }
1188
1189 static int ps3fb_shutdown(struct ps3_system_bus_device *dev)
1190 {
1191         int status;
1192         struct fb_info *info = dev->core.driver_data;
1193
1194         dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
1195
1196         ps3fb_flip_ctl(0, &ps3fb);      /* flip off */
1197         ps3fb.dinfo->irq.mask = 0;
1198
1199         if (info) {
1200                 unregister_framebuffer(info);
1201                 fb_dealloc_cmap(&info->cmap);
1202                 framebuffer_release(info);
1203         }
1204
1205         ps3av_register_flip_ctl(NULL, NULL);
1206         if (ps3fb.task) {
1207                 struct task_struct *task = ps3fb.task;
1208                 ps3fb.task = NULL;
1209                 kthread_stop(task);
1210         }
1211         if (ps3fb.irq_no) {
1212                 free_irq(ps3fb.irq_no, dev);
1213                 ps3_irq_plug_destroy(ps3fb.irq_no);
1214         }
1215         iounmap((u8 __iomem *)ps3fb.dinfo);
1216
1217         status = lv1_gpu_context_free(ps3fb.context_handle);
1218         if (status)
1219                 dev_dbg(&dev->core, "lv1_gpu_context_free failed: %d\n",
1220                         status);
1221
1222         status = lv1_gpu_memory_free(ps3fb.memory_handle);
1223         if (status)
1224                 dev_dbg(&dev->core, "lv1_gpu_memory_free failed: %d\n",
1225                         status);
1226
1227         ps3_close_hv_device(dev);
1228         dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
1229
1230         return 0;
1231 }
1232
1233 static struct ps3_system_bus_driver ps3fb_driver = {
1234         .match_id       = PS3_MATCH_ID_GRAPHICS,
1235         .core.name      = DEVICE_NAME,
1236         .core.owner     = THIS_MODULE,
1237         .probe          = ps3fb_probe,
1238         .remove         = ps3fb_shutdown,
1239         .shutdown       = ps3fb_shutdown,
1240 };
1241
1242 static int __init ps3fb_setup(void)
1243 {
1244         char *options;
1245
1246 #ifdef MODULE
1247         return 0;
1248 #endif
1249
1250         if (fb_get_options(DEVICE_NAME, &options))
1251                 return -ENXIO;
1252
1253         if (!options || !*options)
1254                 return 0;
1255
1256         while (1) {
1257                 char *this_opt = strsep(&options, ",");
1258
1259                 if (!this_opt)
1260                         break;
1261                 if (!*this_opt)
1262                         continue;
1263                 if (!strncmp(this_opt, "mode:", 5))
1264                         ps3fb_mode = simple_strtoul(this_opt + 5, NULL, 0);
1265                 else
1266                         mode_option = this_opt;
1267         }
1268         return 0;
1269 }
1270
1271 static int __init ps3fb_init(void)
1272 {
1273         if (!ps3fb_videomemory.address ||  ps3fb_setup())
1274                 return -ENXIO;
1275
1276         return ps3_system_bus_driver_register(&ps3fb_driver);
1277 }
1278
1279 static void __exit ps3fb_exit(void)
1280 {
1281         pr_debug(" -> %s:%d\n", __func__, __LINE__);
1282         ps3_system_bus_driver_unregister(&ps3fb_driver);
1283         pr_debug(" <- %s:%d\n", __func__, __LINE__);
1284 }
1285
1286 module_init(ps3fb_init);
1287 module_exit(ps3fb_exit);
1288
1289 MODULE_LICENSE("GPL");
1290 MODULE_DESCRIPTION("PS3 GPU Frame Buffer Driver");
1291 MODULE_AUTHOR("Sony Computer Entertainment Inc.");
1292 MODULE_ALIAS(PS3_MODULE_ALIAS_GRAPHICS);