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 #define GPU_MAX_LINE_LENGTH                     (65536 - 64)
  59
  60 #define PS3FB_FULL_MODE_BIT                     0x80
  61
  62 #define GPU_INTR_STATUS_VSYNC_0                 0       /* vsync on head A */
  63 #define GPU_INTR_STATUS_VSYNC_1                 1       /* vsync on head B */
  64 #define GPU_INTR_STATUS_FLIP_0                  3       /* flip head A */
  65 #define GPU_INTR_STATUS_FLIP_1                  4       /* flip head B */
  66 #define GPU_INTR_STATUS_QUEUE_0                 5       /* queue head A */
  67 #define GPU_INTR_STATUS_QUEUE_1                 6       /* queue head B */
  68
  69 #define GPU_DRIVER_INFO_VERSION                 0x211
  70
  71 /* gpu internals */
  72 struct display_head {
  73         u64 be_time_stamp;
  74         u32 status;
  75         u32 offset;
  76         u32 res1;
  77         u32 res2;
  78         u32 field;
  79         u32 reserved1;
  80
  81         u64 res3;
  82         u32 raster;
  83
  84         u64 vblank_count;
  85         u32 field_vsync;
  86         u32 reserved2;
  87 };
  88
  89 struct gpu_irq {
  90         u32 irq_outlet;
  91         u32 status;
  92         u32 mask;
  93         u32 video_cause;
  94         u32 graph_cause;
  95         u32 user_cause;
  96
  97         u32 res1;
  98         u64 res2;
  99
 100         u32 reserved[4];
 101 };
 102
 103 struct gpu_driver_info {
 104         u32 version_driver;
 105         u32 version_gpu;
 106         u32 memory_size;
 107         u32 hardware_channel;
 108
 109         u32 nvcore_frequency;
 110         u32 memory_frequency;
 111
 112         u32 reserved[1063];
 113         struct display_head display_head[8];
 114         struct gpu_irq irq;
 115 };
 116
 117 struct ps3fb_priv {
 118         unsigned int irq_no;
 119
 120         u64 context_handle, memory_handle;
 121         void *xdr_ea;
 122         size_t xdr_size;
 123         struct gpu_driver_info *dinfo;
 124
 125         u64 vblank_count;       /* frame count */
 126         wait_queue_head_t wait_vsync;
 127
 128         atomic_t ext_flip;      /* on/off flip with vsync */
 129         atomic_t f_count;       /* fb_open count */
 130         int is_blanked;
 131         int is_kicked;
 132         struct task_struct *task;
 133 };
 134 static struct ps3fb_priv ps3fb;
 135
 136 struct ps3fb_par {
 137         u32 pseudo_palette[16];
 138         int mode_id, new_mode_id;
 139         int res_index;
 140         unsigned int num_frames;        /* num of frame buffers */
 141         unsigned int width;
 142         unsigned int height;
 143         unsigned long full_offset;      /* start of fullscreen DDR fb */
 144         unsigned long fb_offset;        /* start of actual DDR fb */
 145         unsigned long pan_offset;
 146 };
 147
 148 struct ps3fb_res_table {
 149         u32 xres;
 150         u32 yres;
 151         u32 xoff;
 152         u32 yoff;
 153         u32 type;
 154 };
 155 #define PS3FB_RES_FULL 1
 156 static const struct ps3fb_res_table ps3fb_res[] = {
 157         /* res_x,y   margin_x,y  full */
 158         {  720,  480,  72,  48 , 0},
 159         {  720,  576,  72,  58 , 0},
 160         { 1280,  720,  78,  38 , 0},
 161         { 1920, 1080, 116,  58 , 0},
 162         /* full mode */
 163         {  720,  480,   0,   0 , PS3FB_RES_FULL},
 164         {  720,  576,   0,   0 , PS3FB_RES_FULL},
 165         { 1280,  720,   0,   0 , PS3FB_RES_FULL},
 166         { 1920, 1080,   0,   0 , PS3FB_RES_FULL},
 167         /* vesa: normally full mode */
 168         { 1280,  768,   0,   0 , 0},
 169         { 1280, 1024,   0,   0 , 0},
 170         { 1920, 1200,   0,   0 , 0},
 171         {    0,    0,   0,   0 , 0} };
 172
 173 /* default resolution */
 174 #define GPU_RES_INDEX   0               /* 720 x 480 */
 175
 176 static const struct fb_videomode ps3fb_modedb[] = {
 177     /* 60 Hz broadcast modes (modes "1" to "5") */
 178     {
 179         /* 480i */
 180         "480i", 60, 576, 384, 74074, 130, 89, 78, 57, 63, 6,
 181         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 182     },    {
 183         /* 480p */
 184         "480p", 60, 576, 384, 37037, 130, 89, 78, 57, 63, 6,
 185         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 186     },    {
 187         /* 720p */
 188         "720p", 60, 1124, 644, 13481, 298, 148, 57, 44, 80, 5,
 189         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 190     },    {
 191         /* 1080i */
 192         "1080i", 60, 1688, 964, 13481, 264, 160, 94, 62, 88, 5,
 193         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 194     },    {
 195         /* 1080p */
 196         "1080p", 60, 1688, 964, 6741, 264, 160, 94, 62, 88, 5,
 197         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 198     },
 199
 200     /* 50 Hz broadcast modes (modes "6" to "10") */
 201     {
 202         /* 576i */
 203         "576i", 50, 576, 460, 74074, 142, 83, 97, 63, 63, 5,
 204         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 205     },    {
 206         /* 576p */
 207         "576p", 50, 576, 460, 37037, 142, 83, 97, 63, 63, 5,
 208         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 209     },    {
 210         /* 720p */
 211         "720p", 50, 1124, 644, 13468, 298, 478, 57, 44, 80, 5,
 212         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 213     },    {
 214         /* 1080 */
 215         "1080i", 50, 1688, 964, 13468, 264, 600, 94, 62, 88, 5,
 216         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 217     },    {
 218         /* 1080p */
 219         "1080p", 50, 1688, 964, 6734, 264, 600, 94, 62, 88, 5,
 220         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 221     },
 222
 223     /* VESA modes (modes "11" to "13") */
 224     {
 225         /* WXGA */
 226         "wxga", 60, 1280, 768, 12924, 160, 24, 29, 3, 136, 6,
 227         0, FB_VMODE_NONINTERLACED,
 228         FB_MODE_IS_VESA
 229     }, {
 230         /* SXGA */
 231         "sxga", 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3,
 232         FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED,
 233         FB_MODE_IS_VESA
 234     }, {
 235         /* WUXGA */
 236         "wuxga", 60, 1920, 1200, 6494, 80, 48, 26, 3, 32, 6,
 237         FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED,
 238         FB_MODE_IS_VESA
 239     },
 240
 241     /* 60 Hz broadcast modes (full resolution versions of modes "1" to "5") */
 242     {
 243         /* 480if */
 244         "480if", 60, 720, 480, 74074, 58, 17, 30, 9, 63, 6,
 245         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 246     }, {
 247         /* 480pf */
 248         "480pf", 60, 720, 480, 37037, 58, 17, 30, 9, 63, 6,
 249         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 250     }, {
 251         /* 720pf */
 252         "720pf", 60, 1280, 720, 13481, 220, 70, 19, 6, 80, 5,
 253         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 254     }, {
 255         /* 1080if */
 256         "1080if", 60, 1920, 1080, 13481, 148, 44, 36, 4, 88, 5,
 257         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 258     }, {
 259         /* 1080pf */
 260         "1080pf", 60, 1920, 1080, 6741, 148, 44, 36, 4, 88, 5,
 261         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 262     },
 263
 264     /* 50 Hz broadcast modes (full resolution versions of modes "6" to "10") */
 265     {
 266         /* 576if */
 267         "576if", 50, 720, 576, 74074, 70, 11, 39, 5, 63, 5,
 268         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 269     }, {
 270         /* 576pf */
 271         "576pf", 50, 720, 576, 37037, 70, 11, 39, 5, 63, 5,
 272         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 273     }, {
 274         /* 720pf */
 275         "720pf", 50, 1280, 720, 13468, 220, 400, 19, 6, 80, 5,
 276         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 277     }, {
 278         /* 1080if */
 279         "1080f", 50, 1920, 1080, 13468, 148, 484, 36, 4, 88, 5,
 280         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 281     }, {
 282         /* 1080pf */
 283         "1080pf", 50, 1920, 1080, 6734, 148, 484, 36, 4, 88, 5,
 284         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 285     }
 286 };
 287
 288
 289 #define HEAD_A
 290 #define HEAD_B
 291
 292 #define X_OFF(i)        (ps3fb_res[i].xoff)     /* left/right margin (pixel) */
 293 #define Y_OFF(i)        (ps3fb_res[i].yoff)     /* top/bottom margin (pixel) */
 294 #define WIDTH(i)        (ps3fb_res[i].xres)     /* width of FB */
 295 #define HEIGHT(i)       (ps3fb_res[i].yres)     /* height of FB */
 296 #define BPP             4                       /* number of bytes per pixel */
 297
 298 /* Start of the virtual frame buffer (relative to fullscreen ) */
 299 #define VP_OFF(i)       ((WIDTH(i) * Y_OFF(i) + X_OFF(i)) * BPP)
 300
 301
 302 static int ps3fb_mode;
 303 module_param(ps3fb_mode, int, 0);
 304
 305 static char *mode_option __devinitdata;
 306
 307 static int ps3fb_get_res_table(u32 xres, u32 yres, int mode)
 308 {
 309         int full_mode;
 310         unsigned int i;
 311         u32 x, y, f;
 312
 313         full_mode = (mode & PS3FB_FULL_MODE_BIT) ? PS3FB_RES_FULL : 0;
 314         for (i = 0;; i++) {
 315                 x = ps3fb_res[i].xres;
 316                 y = ps3fb_res[i].yres;
 317                 f = ps3fb_res[i].type;
 318
 319                 if (!x) {
 320                         pr_debug("ERROR: ps3fb_get_res_table()\n");
 321                         return -1;
 322                 }
 323
 324                 if (full_mode == PS3FB_RES_FULL && f != PS3FB_RES_FULL)
 325                         continue;
 326
 327                 if (x == xres && (yres == 0 || y == yres))
 328                         break;
 329
 330                 x = x - 2 * ps3fb_res[i].xoff;
 331                 y = y - 2 * ps3fb_res[i].yoff;
 332                 if (x == xres && (yres == 0 || y == yres))
 333                         break;
 334         }
 335         return i;
 336 }
 337
 338 static unsigned int ps3fb_find_mode(const struct fb_var_screeninfo *var,
 339                                     u32 *ddr_line_length, u32 *xdr_line_length)
 340 {
 341         unsigned int i, mode;
 342
 343         for (i = 0; i < ARRAY_SIZE(ps3fb_modedb); i++)
 344                 if (var->xres == ps3fb_modedb[i].xres &&
 345                     var->yres == ps3fb_modedb[i].yres &&
 346                     var->pixclock == ps3fb_modedb[i].pixclock &&
 347                     var->hsync_len == ps3fb_modedb[i].hsync_len &&
 348                     var->vsync_len == ps3fb_modedb[i].vsync_len &&
 349                     var->left_margin == ps3fb_modedb[i].left_margin &&
 350                     var->right_margin == ps3fb_modedb[i].right_margin &&
 351                     var->upper_margin == ps3fb_modedb[i].upper_margin &&
 352                     var->lower_margin == ps3fb_modedb[i].lower_margin &&
 353                     var->sync == ps3fb_modedb[i].sync &&
 354                     (var->vmode & FB_VMODE_MASK) == ps3fb_modedb[i].vmode)
 355                         goto found;
 356
 357         pr_debug("ps3fb_find_mode: mode not found\n");
 358         return 0;
 359
 360 found:
 361         /* Cropped broadcast modes use the full line length */
 362         *ddr_line_length = ps3fb_modedb[i < 10 ? i + 13 : i].xres * BPP;
 363
 364         if (ps3_compare_firmware_version(1, 9, 0) >= 0) {
 365                 *xdr_line_length = GPU_ALIGN_UP(max(var->xres,
 366                                                     var->xres_virtual) * BPP);
 367                 if (*xdr_line_length > GPU_MAX_LINE_LENGTH)
 368                         *xdr_line_length = GPU_MAX_LINE_LENGTH;
 369         } else
 370                 *xdr_line_length = *ddr_line_length;
 371
 372         /* Full broadcast modes have the full mode bit set */
 373         mode = i > 12 ? (i - 12) | PS3FB_FULL_MODE_BIT : i + 1;
 374
 375         pr_debug("ps3fb_find_mode: mode %u\n", mode);
 376
 377         return mode;
 378 }
 379
 380 static const struct fb_videomode *ps3fb_default_mode(int id)
 381 {
 382         u32 mode = id & PS3AV_MODE_MASK;
 383         u32 flags;
 384
 385         if (mode < 1 || mode > 13)
 386                 return NULL;
 387
 388         flags = id & ~PS3AV_MODE_MASK;
 389
 390         if (mode <= 10 && flags & PS3FB_FULL_MODE_BIT) {
 391                 /* Full broadcast mode */
 392                 return &ps3fb_modedb[mode + 12];
 393         }
 394
 395         return &ps3fb_modedb[mode - 1];
 396 }
 397
 398 static void ps3fb_sync_image(struct device *dev, u64 frame_offset,
 399                              u64 dst_offset, u64 src_offset, u32 width,
 400                              u32 height, u32 dst_line_length,
 401                              u32 src_line_length)
 402 {
 403         int status;
 404         u64 line_length;
 405
 406         line_length = dst_line_length;
 407         if (src_line_length != dst_line_length)
 408                 line_length |= (u64)src_line_length << 32;
 409
 410         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 411                                            L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT,
 412                                            dst_offset, GPU_IOIF + src_offset,
 413                                            L1GPU_FB_BLIT_WAIT_FOR_COMPLETION |
 414                                            (width << 16) | height,
 415                                            line_length);
 416         if (status)
 417                 dev_err(dev,
 418                         "%s: lv1_gpu_context_attribute FB_BLIT failed: %d\n",
 419                         __func__, status);
 420 #ifdef HEAD_A
 421         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 422                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
 423                                            0, frame_offset, 0, 0);
 424         if (status)
 425                 dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
 426                         __func__, status);
 427 #endif
 428 #ifdef HEAD_B
 429         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 430                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
 431                                            1, frame_offset, 0, 0);
 432         if (status)
 433                 dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
 434                         __func__, status);
 435 #endif
 436 }
 437
 438 static int ps3fb_sync(struct fb_info *info, u32 frame)
 439 {
 440         struct ps3fb_par *par = info->par;
 441         int i, error = 0;
 442         u32 ddr_line_length, xdr_line_length;
 443         u64 ddr_base, xdr_base;
 444
 445         acquire_console_sem();
 446
 447         if (frame > par->num_frames - 1) {
 448                 dev_dbg(info->device, "%s: invalid frame number (%u)\n",
 449                         __func__, frame);
 450                 error = -EINVAL;
 451                 goto out;
 452         }
 453
 454         i = par->res_index;
 455         xdr_line_length = info->fix.line_length;
 456         ddr_line_length = ps3fb_res[i].xres * BPP;
 457         xdr_base = frame * info->var.yres_virtual * xdr_line_length;
 458         ddr_base = frame * ps3fb_res[i].yres * ddr_line_length;
 459
 460         ps3fb_sync_image(info->device, ddr_base + par->full_offset,
 461                          ddr_base + par->fb_offset, xdr_base + par->pan_offset,
 462                          par->width, par->height, ddr_line_length,
 463                          xdr_line_length);
 464
 465 out:
 466         release_console_sem();
 467         return error;
 468 }
 469
 470 static int ps3fb_open(struct fb_info *info, int user)
 471 {
 472         atomic_inc(&ps3fb.f_count);
 473         return 0;
 474 }
 475
 476 static int ps3fb_release(struct fb_info *info, int user)
 477 {
 478         if (atomic_dec_and_test(&ps3fb.f_count)) {
 479                 if (atomic_read(&ps3fb.ext_flip)) {
 480                         atomic_set(&ps3fb.ext_flip, 0);
 481                         ps3fb_sync(info, 0);    /* single buffer */
 482                 }
 483         }
 484         return 0;
 485 }
 486
 487     /*
 488      *  Setting the video mode has been split into two parts.
 489      *  First part, xxxfb_check_var, must not write anything
 490      *  to hardware, it should only verify and adjust var.
 491      *  This means it doesn't alter par but it does use hardware
 492      *  data from it to check this var.
 493      */
 494
 495 static int ps3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 496 {
 497         u32 xdr_line_length, ddr_line_length;
 498         int mode;
 499
 500         dev_dbg(info->device, "var->xres:%u info->var.xres:%u\n", var->xres,
 501                 info->var.xres);
 502         dev_dbg(info->device, "var->yres:%u info->var.yres:%u\n", var->yres,
 503                 info->var.yres);
 504
 505         /* FIXME For now we do exact matches only */
 506         mode = ps3fb_find_mode(var, &ddr_line_length, &xdr_line_length);
 507         if (!mode)
 508                 return -EINVAL;
 509
 510         /* Virtual screen */
 511         if (var->xres_virtual < var->xres)
 512                 var->xres_virtual = var->xres;
 513         if (var->yres_virtual < var->yres)
 514                 var->yres_virtual = var->yres;
 515
 516         if (var->xres_virtual > xdr_line_length / BPP) {
 517                 dev_dbg(info->device,
 518                         "Horizontal virtual screen size too large\n");
 519                 return -EINVAL;
 520         }
 521
 522         if (var->xoffset + var->xres > var->xres_virtual ||
 523             var->yoffset + var->yres > var->yres_virtual) {
 524                 dev_dbg(info->device, "panning out-of-range\n");
 525                 return -EINVAL;
 526         }
 527
 528         /* We support ARGB8888 only */
 529         if (var->bits_per_pixel > 32 || var->grayscale ||
 530             var->red.offset > 16 || var->green.offset > 8 ||
 531             var->blue.offset > 0 || var->transp.offset > 24 ||
 532             var->red.length > 8 || var->green.length > 8 ||
 533             var->blue.length > 8 || var->transp.length > 8 ||
 534             var->red.msb_right || var->green.msb_right ||
 535             var->blue.msb_right || var->transp.msb_right || var->nonstd) {
 536                 dev_dbg(info->device, "We support ARGB8888 only\n");
 537                 return -EINVAL;
 538         }
 539
 540         var->bits_per_pixel = 32;
 541         var->red.offset = 16;
 542         var->green.offset = 8;
 543         var->blue.offset = 0;
 544         var->transp.offset = 24;
 545         var->red.length = 8;
 546         var->green.length = 8;
 547         var->blue.length = 8;
 548         var->transp.length = 8;
 549         var->red.msb_right = 0;
 550         var->green.msb_right = 0;
 551         var->blue.msb_right = 0;
 552         var->transp.msb_right = 0;
 553
 554         /* Rotation is not supported */
 555         if (var->rotate) {
 556                 dev_dbg(info->device, "Rotation is not supported\n");
 557                 return -EINVAL;
 558         }
 559
 560         /* Memory limit */
 561         if (var->yres_virtual * xdr_line_length > ps3fb.xdr_size) {
 562                 dev_dbg(info->device, "Not enough memory\n");
 563                 return -ENOMEM;
 564         }
 565
 566         var->height = -1;
 567         var->width = -1;
 568
 569         return 0;
 570 }
 571
 572     /*
 573      * This routine actually sets the video mode.
 574      */
 575
 576 static int ps3fb_set_par(struct fb_info *info)
 577 {
 578         struct ps3fb_par *par = info->par;
 579         unsigned int mode, ddr_line_length, xdr_line_length, lines, maxlines;
 580         int i;
 581         unsigned long offset;
 582         u64 dst;
 583
 584         dev_dbg(info->device, "xres:%d xv:%d yres:%d yv:%d clock:%d\n",
 585                 info->var.xres, info->var.xres_virtual,
 586                 info->var.yres, info->var.yres_virtual, info->var.pixclock);
 587
 588         mode = ps3fb_find_mode(&info->var, &ddr_line_length, &xdr_line_length);
 589         if (!mode)
 590                 return -EINVAL;
 591
 592         i = ps3fb_get_res_table(info->var.xres, info->var.yres, mode);
 593         par->res_index = i;
 594
 595         info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea);
 596         info->fix.smem_len = ps3fb.xdr_size;
 597         info->fix.xpanstep = info->var.xres_virtual > info->var.xres ? 1 : 0;
 598         info->fix.ypanstep = info->var.yres_virtual > info->var.yres ? 1 : 0;
 599         info->fix.line_length = xdr_line_length;
 600
 601         info->screen_base = (char __iomem *)ps3fb.xdr_ea;
 602
 603         par->num_frames = ps3fb.xdr_size /
 604                           max(ps3fb_res[i].yres * ddr_line_length,
 605                               info->var.yres_virtual * xdr_line_length);
 606
 607         /* Keep the special bits we cannot set using fb_var_screeninfo */
 608         par->new_mode_id = (par->new_mode_id & ~PS3AV_MODE_MASK) | mode;
 609
 610         par->width = info->var.xres;
 611         par->height = info->var.yres;
 612         offset = VP_OFF(i);
 613         par->fb_offset = GPU_ALIGN_UP(offset);
 614         par->full_offset = par->fb_offset - offset;
 615         par->pan_offset = info->var.yoffset * xdr_line_length +
 616                           info->var.xoffset * BPP;
 617
 618         if (par->new_mode_id != par->mode_id) {
 619                 if (ps3av_set_video_mode(par->new_mode_id)) {
 620                         par->new_mode_id = par->mode_id;
 621                         return -EINVAL;
 622                 }
 623                 par->mode_id = par->new_mode_id;
 624         }
 625
 626         /* Clear XDR frame buffer memory */
 627         memset(ps3fb.xdr_ea, 0, ps3fb.xdr_size);
 628
 629         /* Clear DDR frame buffer memory */
 630         lines = ps3fb_res[i].yres * par->num_frames;
 631         if (par->full_offset)
 632                 lines++;
 633         maxlines = ps3fb.xdr_size / ddr_line_length;
 634         for (dst = 0; lines; dst += maxlines * ddr_line_length) {
 635                 unsigned int l = min(lines, maxlines);
 636                 ps3fb_sync_image(info->device, 0, dst, 0, ps3fb_res[i].xres, l,
 637                                  ddr_line_length, ddr_line_length);
 638                 lines -= l;
 639         }
 640
 641         return 0;
 642 }
 643
 644     /*
 645      *  Set a single color register. The values supplied are already
 646      *  rounded down to the hardware's capabilities (according to the
 647      *  entries in the var structure). Return != 0 for invalid regno.
 648      */
 649
 650 static int ps3fb_setcolreg(unsigned int regno, unsigned int red,
 651                            unsigned int green, unsigned int blue,
 652                            unsigned int transp, struct fb_info *info)
 653 {
 654         if (regno >= 16)
 655                 return 1;
 656
 657         red >>= 8;
 658         green >>= 8;
 659         blue >>= 8;
 660         transp >>= 8;
 661
 662         ((u32 *)info->pseudo_palette)[regno] = transp << 24 | red << 16 |
 663                                                green << 8 | blue;
 664         return 0;
 665 }
 666
 667 static int ps3fb_pan_display(struct fb_var_screeninfo *var,
 668                              struct fb_info *info)
 669 {
 670         struct ps3fb_par *par = info->par;
 671
 672         par->pan_offset = var->yoffset * info->fix.line_length +
 673                           var->xoffset * BPP;
 674         return 0;
 675 }
 676
 677     /*
 678      *  As we have a virtual frame buffer, we need our own mmap function
 679      */
 680
 681 static int ps3fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
 682 {
 683         unsigned long size, offset;
 684
 685         size = vma->vm_end - vma->vm_start;
 686         offset = vma->vm_pgoff << PAGE_SHIFT;
 687         if (offset + size > info->fix.smem_len)
 688                 return -EINVAL;
 689
 690         offset += info->fix.smem_start;
 691         if (remap_pfn_range(vma, vma->vm_start, offset >> PAGE_SHIFT,
 692                             size, vma->vm_page_prot))
 693                 return -EAGAIN;
 694
 695         dev_dbg(info->device, "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n",
 696                 offset, vma->vm_start);
 697         return 0;
 698 }
 699
 700     /*
 701      * Blank the display
 702      */
 703
 704 static int ps3fb_blank(int blank, struct fb_info *info)
 705 {
 706         int retval;
 707
 708         dev_dbg(info->device, "%s: blank:%d\n", __func__, blank);
 709         switch (blank) {
 710         case FB_BLANK_POWERDOWN:
 711         case FB_BLANK_HSYNC_SUSPEND:
 712         case FB_BLANK_VSYNC_SUSPEND:
 713         case FB_BLANK_NORMAL:
 714                 retval = ps3av_video_mute(1);   /* mute on */
 715                 if (!retval)
 716                         ps3fb.is_blanked = 1;
 717                 break;
 718
 719         default:                /* unblank */
 720                 retval = ps3av_video_mute(0);   /* mute off */
 721                 if (!retval)
 722                         ps3fb.is_blanked = 0;
 723                 break;
 724         }
 725         return retval;
 726 }
 727
 728 static int ps3fb_get_vblank(struct fb_vblank *vblank)
 729 {
 730         memset(vblank, 0, sizeof(*vblank));
 731         vblank->flags = FB_VBLANK_HAVE_VSYNC;
 732         return 0;
 733 }
 734
 735 static int ps3fb_wait_for_vsync(u32 crtc)
 736 {
 737         int ret;
 738         u64 count;
 739
 740         count = ps3fb.vblank_count;
 741         ret = wait_event_interruptible_timeout(ps3fb.wait_vsync,
 742                                                count != ps3fb.vblank_count,
 743                                                HZ / 10);
 744         if (!ret)
 745                 return -ETIMEDOUT;
 746
 747         return 0;
 748 }
 749
 750 static void ps3fb_flip_ctl(int on, void *data)
 751 {
 752         struct ps3fb_priv *priv = data;
 753         if (on)
 754                 atomic_dec_if_positive(&priv->ext_flip);
 755         else
 756                 atomic_inc(&priv->ext_flip);
 757 }
 758
 759
 760     /*
 761      * ioctl
 762      */
 763
 764 static int ps3fb_ioctl(struct fb_info *info, unsigned int cmd,
 765                        unsigned long arg)
 766 {
 767         void __user *argp = (void __user *)arg;
 768         u32 val;
 769         int retval = -EFAULT;
 770
 771         switch (cmd) {
 772         case FBIOGET_VBLANK:
 773                 {
 774                         struct fb_vblank vblank;
 775                         dev_dbg(info->device, "FBIOGET_VBLANK:\n");
 776                         retval = ps3fb_get_vblank(&vblank);
 777                         if (retval)
 778                                 break;
 779
 780                         if (copy_to_user(argp, &vblank, sizeof(vblank)))
 781                                 retval = -EFAULT;
 782                         break;
 783                 }
 784
 785         case FBIO_WAITFORVSYNC:
 786                 {
 787                         u32 crt;
 788                         dev_dbg(info->device, "FBIO_WAITFORVSYNC:\n");
 789                         if (get_user(crt, (u32 __user *) arg))
 790                                 break;
 791
 792                         retval = ps3fb_wait_for_vsync(crt);
 793                         break;
 794                 }
 795
 796         case PS3FB_IOCTL_SETMODE:
 797                 {
 798                         struct ps3fb_par *par = info->par;
 799                         const struct fb_videomode *mode;
 800                         struct fb_var_screeninfo var;
 801
 802                         if (copy_from_user(&val, argp, sizeof(val)))
 803                                 break;
 804
 805                         if (!(val & PS3AV_MODE_MASK)) {
 806                                 u32 id = ps3av_get_auto_mode();
 807                                 if (id > 0)
 808                                         val = (val & ~PS3AV_MODE_MASK) | id;
 809                         }
 810                         dev_dbg(info->device, "PS3FB_IOCTL_SETMODE:%x\n", val);
 811                         retval = -EINVAL;
 812                         mode = ps3fb_default_mode(val);
 813                         if (mode) {
 814                                 var = info->var;
 815                                 fb_videomode_to_var(&var, mode);
 816                                 acquire_console_sem();
 817                                 info->flags |= FBINFO_MISC_USEREVENT;
 818                                 /* Force, in case only special bits changed */
 819                                 var.activate |= FB_ACTIVATE_FORCE;
 820                                 par->new_mode_id = val;
 821                                 retval = fb_set_var(info, &var);
 822                                 info->flags &= ~FBINFO_MISC_USEREVENT;
 823                                 release_console_sem();
 824                         }
 825                         break;
 826                 }
 827
 828         case PS3FB_IOCTL_GETMODE:
 829                 val = ps3av_get_mode();
 830                 dev_dbg(info->device, "PS3FB_IOCTL_GETMODE:%x\n", val);
 831                 if (!copy_to_user(argp, &val, sizeof(val)))
 832                         retval = 0;
 833                 break;
 834
 835         case PS3FB_IOCTL_SCREENINFO:
 836                 {
 837                         struct ps3fb_par *par = info->par;
 838                         struct ps3fb_ioctl_res res;
 839                         dev_dbg(info->device, "PS3FB_IOCTL_SCREENINFO:\n");
 840                         res.xres = info->fix.line_length / BPP;
 841                         res.yres = info->var.yres_virtual;
 842                         res.xoff = (res.xres - info->var.xres) / 2;
 843                         res.yoff = (res.yres - info->var.yres) / 2;
 844                         res.num_frames = par->num_frames;
 845                         if (!copy_to_user(argp, &res, sizeof(res)))
 846                                 retval = 0;
 847                         break;
 848                 }
 849
 850         case PS3FB_IOCTL_ON:
 851                 dev_dbg(info->device, "PS3FB_IOCTL_ON:\n");
 852                 atomic_inc(&ps3fb.ext_flip);
 853                 retval = 0;
 854                 break;
 855
 856         case PS3FB_IOCTL_OFF:
 857                 dev_dbg(info->device, "PS3FB_IOCTL_OFF:\n");
 858                 atomic_dec_if_positive(&ps3fb.ext_flip);
 859                 retval = 0;
 860                 break;
 861
 862         case PS3FB_IOCTL_FSEL:
 863                 if (copy_from_user(&val, argp, sizeof(val)))
 864                         break;
 865
 866                 dev_dbg(info->device, "PS3FB_IOCTL_FSEL:%d\n", val);
 867                 retval = ps3fb_sync(info, val);
 868                 break;
 869
 870         default:
 871                 retval = -ENOIOCTLCMD;
 872                 break;
 873         }
 874         return retval;
 875 }
 876
 877 static int ps3fbd(void *arg)
 878 {
 879         struct fb_info *info = arg;
 880
 881         set_freezable();
 882         while (!kthread_should_stop()) {
 883                 try_to_freeze();
 884                 set_current_state(TASK_INTERRUPTIBLE);
 885                 if (ps3fb.is_kicked) {
 886                         ps3fb.is_kicked = 0;
 887                         ps3fb_sync(info, 0);    /* single buffer */
 888                 }
 889                 schedule();
 890         }
 891         return 0;
 892 }
 893
 894 static irqreturn_t ps3fb_vsync_interrupt(int irq, void *ptr)
 895 {
 896         struct device *dev = ptr;
 897         u64 v1;
 898         int status;
 899         struct display_head *head = &ps3fb.dinfo->display_head[1];
 900
 901         status = lv1_gpu_context_intr(ps3fb.context_handle, &v1);
 902         if (status) {
 903                 dev_err(dev, "%s: lv1_gpu_context_intr failed: %d\n", __func__,
 904                         status);
 905                 return IRQ_NONE;
 906         }
 907
 908         if (v1 & (1 << GPU_INTR_STATUS_VSYNC_1)) {
 909                 /* VSYNC */
 910                 ps3fb.vblank_count = head->vblank_count;
 911                 if (ps3fb.task && !ps3fb.is_blanked &&
 912                     !atomic_read(&ps3fb.ext_flip)) {
 913                         ps3fb.is_kicked = 1;
 914                         wake_up_process(ps3fb.task);
 915                 }
 916                 wake_up_interruptible(&ps3fb.wait_vsync);
 917         }
 918
 919         return IRQ_HANDLED;
 920 }
 921
 922
 923 static int ps3fb_vsync_settings(struct gpu_driver_info *dinfo,
 924                                 struct device *dev)
 925 {
 926         int error;
 927
 928         dev_dbg(dev, "version_driver:%x\n", dinfo->version_driver);
 929         dev_dbg(dev, "irq outlet:%x\n", dinfo->irq.irq_outlet);
 930         dev_dbg(dev,
 931                 "version_gpu: %x memory_size: %x ch: %x core_freq: %d "
 932                 "mem_freq:%d\n",
 933                 dinfo->version_gpu, dinfo->memory_size, dinfo->hardware_channel,
 934                 dinfo->nvcore_frequency/1000000, dinfo->memory_frequency/1000000);
 935
 936         if (dinfo->version_driver != GPU_DRIVER_INFO_VERSION) {
 937                 dev_err(dev, "%s: version_driver err:%x\n", __func__,
 938                         dinfo->version_driver);
 939                 return -EINVAL;
 940         }
 941
 942         error = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet,
 943                                    &ps3fb.irq_no);
 944         if (error) {
 945                 dev_err(dev, "%s: ps3_alloc_irq failed %d\n", __func__, error);
 946                 return error;
 947         }
 948
 949         error = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt, IRQF_DISABLED,
 950                             DEVICE_NAME, dev);
 951         if (error) {
 952                 dev_err(dev, "%s: request_irq failed %d\n", __func__, error);
 953                 ps3_irq_plug_destroy(ps3fb.irq_no);
 954                 return error;
 955         }
 956
 957         dinfo->irq.mask = (1 << GPU_INTR_STATUS_VSYNC_1) |
 958                           (1 << GPU_INTR_STATUS_FLIP_1);
 959         return 0;
 960 }
 961
 962 static int ps3fb_xdr_settings(u64 xdr_lpar, struct device *dev)
 963 {
 964         int status;
 965
 966         status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF,
 967                                        xdr_lpar, ps3fb_videomemory.size, 0);
 968         if (status) {
 969                 dev_err(dev, "%s: lv1_gpu_context_iomap failed: %d\n",
 970                         __func__, status);
 971                 return -ENXIO;
 972         }
 973         dev_dbg(dev,
 974                 "video:%p xdr_ea:%p ioif:%lx lpar:%lx phys:%lx size:%lx\n",
 975                 ps3fb_videomemory.address, ps3fb.xdr_ea, GPU_IOIF, xdr_lpar,
 976                 virt_to_abs(ps3fb.xdr_ea), ps3fb_videomemory.size);
 977
 978         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 979                                            L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP,
 980                                            xdr_lpar + ps3fb.xdr_size,
 981                                            GPU_CMD_BUF_SIZE,
 982                                            GPU_IOIF + ps3fb.xdr_size, 0);
 983         if (status) {
 984                 dev_err(dev,
 985                         "%s: lv1_gpu_context_attribute FB_SETUP failed: %d\n",
 986                         __func__, status);
 987                 return -ENXIO;
 988         }
 989         return 0;
 990 }
 991
 992 static struct fb_ops ps3fb_ops = {
 993         .fb_open        = ps3fb_open,
 994         .fb_release     = ps3fb_release,
 995         .fb_read        = fb_sys_read,
 996         .fb_write       = fb_sys_write,
 997         .fb_check_var   = ps3fb_check_var,
 998         .fb_set_par     = ps3fb_set_par,
 999         .fb_setcolreg   = ps3fb_setcolreg,
1000         .fb_pan_display = ps3fb_pan_display,
1001         .fb_fillrect    = sys_fillrect,
1002         .fb_copyarea    = sys_copyarea,
1003         .fb_imageblit   = sys_imageblit,
1004         .fb_mmap        = ps3fb_mmap,
1005         .fb_blank       = ps3fb_blank,
1006         .fb_ioctl       = ps3fb_ioctl,
1007         .fb_compat_ioctl = ps3fb_ioctl
1008 };
1009
1010 static struct fb_fix_screeninfo ps3fb_fix __initdata = {
1011         .id =           DEVICE_NAME,
1012         .type =         FB_TYPE_PACKED_PIXELS,
1013         .visual =       FB_VISUAL_TRUECOLOR,
1014         .accel =        FB_ACCEL_NONE,
1015 };
1016
1017 static int ps3fb_set_sync(struct device *dev)
1018 {
1019         int status;
1020
1021 #ifdef HEAD_A
1022         status = lv1_gpu_context_attribute(0x0,
1023                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
1024                                            0, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
1025         if (status) {
1026                 dev_err(dev,
1027                         "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
1028                         "%d\n",
1029                         __func__, status);
1030                 return -1;
1031         }
1032 #endif
1033 #ifdef HEAD_B
1034         status = lv1_gpu_context_attribute(0x0,
1035                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
1036                                            1, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
1037
1038         if (status) {
1039                 dev_err(dev,
1040                         "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
1041                         "%d\n",
1042                         __func__, status);
1043                 return -1;
1044         }
1045 #endif
1046         return 0;
1047 }
1048
1049 static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev)
1050 {
1051         struct fb_info *info;
1052         struct ps3fb_par *par;
1053         int retval = -ENOMEM;
1054         u32 xres, yres;
1055         u64 ddr_lpar = 0;
1056         u64 lpar_dma_control = 0;
1057         u64 lpar_driver_info = 0;
1058         u64 lpar_reports = 0;
1059         u64 lpar_reports_size = 0;
1060         u64 xdr_lpar;
1061         int status, res_index;
1062         struct task_struct *task;
1063
1064         status = ps3_open_hv_device(dev);
1065         if (status) {
1066                 dev_err(&dev->core, "%s: ps3_open_hv_device failed\n",
1067                         __func__);
1068                 goto err;
1069         }
1070
1071         if (!ps3fb_mode)
1072                 ps3fb_mode = ps3av_get_mode();
1073         dev_dbg(&dev->core, "ps3av_mode:%d\n", ps3fb_mode);
1074
1075         if (ps3fb_mode > 0 &&
1076             !ps3av_video_mode2res(ps3fb_mode, &xres, &yres)) {
1077                 res_index = ps3fb_get_res_table(xres, yres, ps3fb_mode);
1078                 dev_dbg(&dev->core, "res_index:%d\n", res_index);
1079         } else
1080                 res_index = GPU_RES_INDEX;
1081
1082         atomic_set(&ps3fb.f_count, -1); /* fbcon opens ps3fb */
1083         atomic_set(&ps3fb.ext_flip, 0); /* for flip with vsync */
1084         init_waitqueue_head(&ps3fb.wait_vsync);
1085
1086         ps3fb_set_sync(&dev->core);
1087
1088         /* get gpu context handle */
1089         status = lv1_gpu_memory_allocate(DDR_SIZE, 0, 0, 0, 0,
1090                                          &ps3fb.memory_handle, &ddr_lpar);
1091         if (status) {
1092                 dev_err(&dev->core, "%s: lv1_gpu_memory_allocate failed: %d\n",
1093                         __func__, status);
1094                 goto err;
1095         }
1096         dev_dbg(&dev->core, "ddr:lpar:0x%lx\n", ddr_lpar);
1097
1098         status = lv1_gpu_context_allocate(ps3fb.memory_handle, 0,
1099                                           &ps3fb.context_handle,
1100                                           &lpar_dma_control, &lpar_driver_info,
1101                                           &lpar_reports, &lpar_reports_size);
1102         if (status) {
1103                 dev_err(&dev->core,
1104                         "%s: lv1_gpu_context_attribute failed: %d\n", __func__,
1105                         status);
1106                 goto err_gpu_memory_free;
1107         }
1108
1109         /* vsync interrupt */
1110         ps3fb.dinfo = ioremap(lpar_driver_info, 128 * 1024);
1111         if (!ps3fb.dinfo) {
1112                 dev_err(&dev->core, "%s: ioremap failed\n", __func__);
1113                 goto err_gpu_context_free;
1114         }
1115
1116         retval = ps3fb_vsync_settings(ps3fb.dinfo, &dev->core);
1117         if (retval)
1118                 goto err_iounmap_dinfo;
1119
1120         /* XDR frame buffer */
1121         ps3fb.xdr_ea = ps3fb_videomemory.address;
1122         xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb.xdr_ea));
1123
1124         /* Clear memory to prevent kernel info leakage into userspace */
1125         memset(ps3fb.xdr_ea, 0, ps3fb_videomemory.size);
1126
1127         /* The GPU command buffer is at the end of video memory */
1128         ps3fb.xdr_size = ps3fb_videomemory.size - GPU_CMD_BUF_SIZE;
1129
1130         retval = ps3fb_xdr_settings(xdr_lpar, &dev->core);
1131         if (retval)
1132                 goto err_free_irq;
1133
1134         info = framebuffer_alloc(sizeof(struct ps3fb_par), &dev->core);
1135         if (!info)
1136                 goto err_free_irq;
1137
1138         par = info->par;
1139         par->mode_id = ~ps3fb_mode;     /* != ps3fb_mode, to trigger change */
1140         par->new_mode_id = ps3fb_mode;
1141         par->res_index = res_index;
1142         par->num_frames = 1;
1143
1144         info->screen_base = (char __iomem *)ps3fb.xdr_ea;
1145         info->fbops = &ps3fb_ops;
1146
1147         info->fix = ps3fb_fix;
1148         info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea);
1149         info->fix.smem_len = ps3fb.xdr_size;
1150         info->pseudo_palette = par->pseudo_palette;
1151         info->flags = FBINFO_DEFAULT | FBINFO_READS_FAST |
1152                       FBINFO_HWACCEL_XPAN | FBINFO_HWACCEL_YPAN;
1153
1154         retval = fb_alloc_cmap(&info->cmap, 256, 0);
1155         if (retval < 0)
1156                 goto err_framebuffer_release;
1157
1158         if (!fb_find_mode(&info->var, info, mode_option, ps3fb_modedb,
1159                           ARRAY_SIZE(ps3fb_modedb),
1160                           ps3fb_default_mode(par->new_mode_id), 32)) {
1161                 retval = -EINVAL;
1162                 goto err_fb_dealloc;
1163         }
1164
1165         fb_videomode_to_modelist(ps3fb_modedb, ARRAY_SIZE(ps3fb_modedb),
1166                                  &info->modelist);
1167
1168         retval = register_framebuffer(info);
1169         if (retval < 0)
1170                 goto err_fb_dealloc;
1171
1172         dev->core.driver_data = info;
1173
1174         dev_info(info->device, "%s %s, using %lu KiB of video memory\n",
1175                  dev_driver_string(info->dev), info->dev->bus_id,
1176                  ps3fb.xdr_size >> 10);
1177
1178         task = kthread_run(ps3fbd, info, DEVICE_NAME);
1179         if (IS_ERR(task)) {
1180                 retval = PTR_ERR(task);
1181                 goto err_unregister_framebuffer;
1182         }
1183
1184         ps3fb.task = task;
1185         ps3av_register_flip_ctl(ps3fb_flip_ctl, &ps3fb);
1186
1187         return 0;
1188
1189 err_unregister_framebuffer:
1190         unregister_framebuffer(info);
1191 err_fb_dealloc:
1192         fb_dealloc_cmap(&info->cmap);
1193 err_framebuffer_release:
1194         framebuffer_release(info);
1195 err_free_irq:
1196         free_irq(ps3fb.irq_no, dev);
1197         ps3_irq_plug_destroy(ps3fb.irq_no);
1198 err_iounmap_dinfo:
1199         iounmap((u8 __iomem *)ps3fb.dinfo);
1200 err_gpu_context_free:
1201         lv1_gpu_context_free(ps3fb.context_handle);
1202 err_gpu_memory_free:
1203         lv1_gpu_memory_free(ps3fb.memory_handle);
1204 err:
1205         return retval;
1206 }
1207
1208 static int ps3fb_shutdown(struct ps3_system_bus_device *dev)
1209 {
1210         int status;
1211         struct fb_info *info = dev->core.driver_data;
1212
1213         dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
1214
1215         ps3fb_flip_ctl(0, &ps3fb);      /* flip off */
1216         ps3fb.dinfo->irq.mask = 0;
1217
1218         if (info) {
1219                 unregister_framebuffer(info);
1220                 fb_dealloc_cmap(&info->cmap);
1221                 framebuffer_release(info);
1222         }
1223
1224         ps3av_register_flip_ctl(NULL, NULL);
1225         if (ps3fb.task) {
1226                 struct task_struct *task = ps3fb.task;
1227                 ps3fb.task = NULL;
1228                 kthread_stop(task);
1229         }
1230         if (ps3fb.irq_no) {
1231                 free_irq(ps3fb.irq_no, dev);
1232                 ps3_irq_plug_destroy(ps3fb.irq_no);
1233         }
1234         iounmap((u8 __iomem *)ps3fb.dinfo);
1235
1236         status = lv1_gpu_context_free(ps3fb.context_handle);
1237         if (status)
1238                 dev_dbg(&dev->core, "lv1_gpu_context_free failed: %d\n",
1239                         status);
1240
1241         status = lv1_gpu_memory_free(ps3fb.memory_handle);
1242         if (status)
1243                 dev_dbg(&dev->core, "lv1_gpu_memory_free failed: %d\n",
1244                         status);
1245
1246         ps3_close_hv_device(dev);
1247         dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
1248
1249         return 0;
1250 }
1251
1252 static struct ps3_system_bus_driver ps3fb_driver = {
1253         .match_id       = PS3_MATCH_ID_GRAPHICS,
1254         .core.name      = DEVICE_NAME,
1255         .core.owner     = THIS_MODULE,
1256         .probe          = ps3fb_probe,
1257         .remove         = ps3fb_shutdown,
1258         .shutdown       = ps3fb_shutdown,
1259 };
1260
1261 static int __init ps3fb_setup(void)
1262 {
1263         char *options;
1264
1265 #ifdef MODULE
1266         return 0;
1267 #endif
1268
1269         if (fb_get_options(DEVICE_NAME, &options))
1270                 return -ENXIO;
1271
1272         if (!options || !*options)
1273                 return 0;
1274
1275         while (1) {
1276                 char *this_opt = strsep(&options, ",");
1277
1278                 if (!this_opt)
1279                         break;
1280                 if (!*this_opt)
1281                         continue;
1282                 if (!strncmp(this_opt, "mode:", 5))
1283                         ps3fb_mode = simple_strtoul(this_opt + 5, NULL, 0);
1284                 else
1285                         mode_option = this_opt;
1286         }
1287         return 0;
1288 }
1289
1290 static int __init ps3fb_init(void)
1291 {
1292         if (!ps3fb_videomemory.address ||  ps3fb_setup())
1293                 return -ENXIO;
1294
1295         return ps3_system_bus_driver_register(&ps3fb_driver);
1296 }
1297
1298 static void __exit ps3fb_exit(void)
1299 {
1300         pr_debug(" -> %s:%d\n", __func__, __LINE__);
1301         ps3_system_bus_driver_unregister(&ps3fb_driver);
1302         pr_debug(" <- %s:%d\n", __func__, __LINE__);
1303 }
1304
1305 module_init(ps3fb_init);
1306 module_exit(ps3fb_exit);
1307
1308 MODULE_LICENSE("GPL");
1309 MODULE_DESCRIPTION("PS3 GPU Frame Buffer Driver");
1310 MODULE_AUTHOR("Sony Computer Entertainment Inc.");
1311 MODULE_ALIAS(PS3_MODULE_ALIAS_GRAPHICS);