drivers/video/ps3fb.c

   1 /*
   2  *  linux/drivers/video/ps3fb.c -- PS3 GPU frame buffer device
   3  *
   4  *      Copyright (C) 2006 Sony Computer Entertainment Inc.
   5  *      Copyright 2006, 2007 Sony Corporation
   6  *
   7  *  This file is based on :
   8  *
   9  *  linux/drivers/video/vfb.c -- Virtual frame buffer device
  10  *
  11  *      Copyright (C) 2002 James Simmons
  12  *
  13  *      Copyright (C) 1997 Geert Uytterhoeven
  14  *
  15  *  This file is subject to the terms and conditions of the GNU General Public
  16  *  License. See the file COPYING in the main directory of this archive for
  17  *  more details.
  18  */
  19
  20 #include <linux/module.h>
  21 #include <linux/kernel.h>
  22 #include <linux/errno.h>
  23 #include <linux/string.h>
  24 #include <linux/mm.h>
  25 #include <linux/interrupt.h>
  26 #include <linux/console.h>
  27 #include <linux/ioctl.h>
  28 #include <linux/kthread.h>
  29 #include <linux/freezer.h>
  30 #include <linux/uaccess.h>
  31 #include <linux/fb.h>
  32 #include <linux/init.h>
  33
  34 #include <asm/abs_addr.h>
  35 #include <asm/lv1call.h>
  36 #include <asm/ps3av.h>
  37 #include <asm/ps3fb.h>
  38 #include <asm/ps3.h>
  39
  40
  41 #define DEVICE_NAME             "ps3fb"
  42
  43 #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC    0x101
  44 #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP    0x102
  45 #define L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP        0x600
  46 #define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT         0x601
  47 #define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT_SYNC    0x602
  48
  49 #define L1GPU_FB_BLIT_WAIT_FOR_COMPLETION       (1ULL << 32)
  50
  51 #define L1GPU_DISPLAY_SYNC_HSYNC                1
  52 #define L1GPU_DISPLAY_SYNC_VSYNC                2
  53
  54 #define GPU_CMD_BUF_SIZE                        (2 * 1024 * 1024)
  55 #define GPU_FB_START                            (64 * 1024)
  56 #define GPU_IOIF                                (0x0d000000UL)
  57 #define GPU_ALIGN_UP(x)                         _ALIGN_UP((x), 64)
  58 #define GPU_MAX_LINE_LENGTH                     (65536 - 64)
  59
  60 #define GPU_INTR_STATUS_VSYNC_0                 0       /* vsync on head A */
  61 #define GPU_INTR_STATUS_VSYNC_1                 1       /* vsync on head B */
  62 #define GPU_INTR_STATUS_FLIP_0                  3       /* flip head A */
  63 #define GPU_INTR_STATUS_FLIP_1                  4       /* flip head B */
  64 #define GPU_INTR_STATUS_QUEUE_0                 5       /* queue head A */
  65 #define GPU_INTR_STATUS_QUEUE_1                 6       /* queue head B */
  66
  67 #define GPU_DRIVER_INFO_VERSION                 0x211
  68
  69 /* gpu internals */
  70 struct display_head {
  71         u64 be_time_stamp;
  72         u32 status;
  73         u32 offset;
  74         u32 res1;
  75         u32 res2;
  76         u32 field;
  77         u32 reserved1;
  78
  79         u64 res3;
  80         u32 raster;
  81
  82         u64 vblank_count;
  83         u32 field_vsync;
  84         u32 reserved2;
  85 };
  86
  87 struct gpu_irq {
  88         u32 irq_outlet;
  89         u32 status;
  90         u32 mask;
  91         u32 video_cause;
  92         u32 graph_cause;
  93         u32 user_cause;
  94
  95         u32 res1;
  96         u64 res2;
  97
  98         u32 reserved[4];
  99 };
 100
 101 struct gpu_driver_info {
 102         u32 version_driver;
 103         u32 version_gpu;
 104         u32 memory_size;
 105         u32 hardware_channel;
 106
 107         u32 nvcore_frequency;
 108         u32 memory_frequency;
 109
 110         u32 reserved[1063];
 111         struct display_head display_head[8];
 112         struct gpu_irq irq;
 113 };
 114
 115 struct ps3fb_priv {
 116         unsigned int irq_no;
 117
 118         u64 context_handle, memory_handle;
 119         void *xdr_ea;
 120         size_t xdr_size;
 121         struct gpu_driver_info *dinfo;
 122
 123         u64 vblank_count;       /* frame count */
 124         wait_queue_head_t wait_vsync;
 125
 126         atomic_t ext_flip;      /* on/off flip with vsync */
 127         atomic_t f_count;       /* fb_open count */
 128         int is_blanked;
 129         int is_kicked;
 130         struct task_struct *task;
 131 };
 132 static struct ps3fb_priv ps3fb;
 133
 134 struct ps3fb_par {
 135         u32 pseudo_palette[16];
 136         int mode_id, new_mode_id;
 137         int res_index;
 138         unsigned int num_frames;        /* num of frame buffers */
 139         unsigned int width;
 140         unsigned int height;
 141         unsigned long full_offset;      /* start of fullscreen DDR fb */
 142         unsigned long fb_offset;        /* start of actual DDR fb */
 143         unsigned long pan_offset;
 144 };
 145
 146 struct ps3fb_res_table {
 147         u32 xres;
 148         u32 yres;
 149         u32 xoff;
 150         u32 yoff;
 151         u32 type;
 152 };
 153 #define PS3FB_RES_FULL 1
 154 static const struct ps3fb_res_table ps3fb_res[] = {
 155         /* res_x,y   margin_x,y  full */
 156         {  720,  480,  72,  48 , 0},
 157         {  720,  576,  72,  58 , 0},
 158         { 1280,  720,  78,  38 , 0},
 159         { 1920, 1080, 116,  58 , 0},
 160         /* full mode */
 161         {  720,  480,   0,   0 , PS3FB_RES_FULL},
 162         {  720,  576,   0,   0 , PS3FB_RES_FULL},
 163         { 1280,  720,   0,   0 , PS3FB_RES_FULL},
 164         { 1920, 1080,   0,   0 , PS3FB_RES_FULL},
 165         /* vesa: normally full mode */
 166         { 1280,  768,   0,   0 , 0},
 167         { 1280, 1024,   0,   0 , 0},
 168         { 1920, 1200,   0,   0 , 0},
 169         {    0,    0,   0,   0 , 0} };
 170
 171 /* default resolution */
 172 #define GPU_RES_INDEX   0               /* 720 x 480 */
 173
 174 static const struct fb_videomode ps3fb_modedb[] = {
 175     /* 60 Hz broadcast modes (modes "1" to "5") */
 176     {
 177         /* 480i */
 178         "480i", 60, 576, 384, 74074, 130, 89, 78, 57, 63, 6,
 179         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 180     },    {
 181         /* 480p */
 182         "480p", 60, 576, 384, 37037, 130, 89, 78, 57, 63, 6,
 183         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 184     },    {
 185         /* 720p */
 186         "720p", 60, 1124, 644, 13481, 298, 148, 57, 44, 80, 5,
 187         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 188     },    {
 189         /* 1080i */
 190         "1080i", 60, 1688, 964, 13481, 264, 160, 94, 62, 88, 5,
 191         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 192     },    {
 193         /* 1080p */
 194         "1080p", 60, 1688, 964, 6741, 264, 160, 94, 62, 88, 5,
 195         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 196     },
 197
 198     /* 50 Hz broadcast modes (modes "6" to "10") */
 199     {
 200         /* 576i */
 201         "576i", 50, 576, 460, 74074, 142, 83, 97, 63, 63, 5,
 202         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 203     },    {
 204         /* 576p */
 205         "576p", 50, 576, 460, 37037, 142, 83, 97, 63, 63, 5,
 206         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 207     },    {
 208         /* 720p */
 209         "720p", 50, 1124, 644, 13468, 298, 478, 57, 44, 80, 5,
 210         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 211     },    {
 212         /* 1080 */
 213         "1080i", 50, 1688, 964, 13468, 264, 600, 94, 62, 88, 5,
 214         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 215     },    {
 216         /* 1080p */
 217         "1080p", 50, 1688, 964, 6734, 264, 600, 94, 62, 88, 5,
 218         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 219     },
 220
 221     /* VESA modes (modes "11" to "13") */
 222     {
 223         /* WXGA */
 224         "wxga", 60, 1280, 768, 12924, 160, 24, 29, 3, 136, 6,
 225         0, FB_VMODE_NONINTERLACED,
 226         FB_MODE_IS_VESA
 227     }, {
 228         /* SXGA */
 229         "sxga", 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3,
 230         FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED,
 231         FB_MODE_IS_VESA
 232     }, {
 233         /* WUXGA */
 234         "wuxga", 60, 1920, 1200, 6494, 80, 48, 26, 3, 32, 6,
 235         FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED,
 236         FB_MODE_IS_VESA
 237     },
 238
 239     /* 60 Hz broadcast modes (full resolution versions of modes "1" to "5") */
 240     {
 241         /* 480if */
 242         "480if", 60, 720, 480, 74074, 58, 17, 30, 9, 63, 6,
 243         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 244     }, {
 245         /* 480pf */
 246         "480pf", 60, 720, 480, 37037, 58, 17, 30, 9, 63, 6,
 247         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 248     }, {
 249         /* 720pf */
 250         "720pf", 60, 1280, 720, 13481, 220, 70, 19, 6, 80, 5,
 251         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 252     }, {
 253         /* 1080if */
 254         "1080if", 60, 1920, 1080, 13481, 148, 44, 36, 4, 88, 5,
 255         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 256     }, {
 257         /* 1080pf */
 258         "1080pf", 60, 1920, 1080, 6741, 148, 44, 36, 4, 88, 5,
 259         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 260     },
 261
 262     /* 50 Hz broadcast modes (full resolution versions of modes "6" to "10") */
 263     {
 264         /* 576if */
 265         "576if", 50, 720, 576, 74074, 70, 11, 39, 5, 63, 5,
 266         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 267     }, {
 268         /* 576pf */
 269         "576pf", 50, 720, 576, 37037, 70, 11, 39, 5, 63, 5,
 270         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 271     }, {
 272         /* 720pf */
 273         "720pf", 50, 1280, 720, 13468, 220, 400, 19, 6, 80, 5,
 274         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 275     }, {
 276         /* 1080if */
 277         "1080f", 50, 1920, 1080, 13468, 148, 484, 36, 4, 88, 5,
 278         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 279     }, {
 280         /* 1080pf */
 281         "1080pf", 50, 1920, 1080, 6734, 148, 484, 36, 4, 88, 5,
 282         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 283     }
 284 };
 285
 286
 287 #define HEAD_A
 288 #define HEAD_B
 289
 290 #define BPP             4                       /* number of bytes per pixel */
 291
 292
 293 static int ps3fb_mode;
 294 module_param(ps3fb_mode, int, 0);
 295
 296 static char *mode_option __devinitdata;
 297
 298 static int ps3fb_get_res_table(u32 xres, u32 yres, int mode)
 299 {
 300         int full_mode;
 301         unsigned int i;
 302         u32 x, y, f;
 303
 304         full_mode = (mode & PS3AV_MODE_FULL) ? PS3FB_RES_FULL : 0;
 305         for (i = 0;; i++) {
 306                 x = ps3fb_res[i].xres;
 307                 y = ps3fb_res[i].yres;
 308                 f = ps3fb_res[i].type;
 309
 310                 if (!x) {
 311                         pr_debug("ERROR: ps3fb_get_res_table()\n");
 312                         return -1;
 313                 }
 314
 315                 if (full_mode == PS3FB_RES_FULL && f != PS3FB_RES_FULL)
 316                         continue;
 317
 318                 if (x == xres && (yres == 0 || y == yres))
 319                         break;
 320
 321                 x = x - 2 * ps3fb_res[i].xoff;
 322                 y = y - 2 * ps3fb_res[i].yoff;
 323                 if (x == xres && (yres == 0 || y == yres))
 324                         break;
 325         }
 326         return i;
 327 }
 328
 329 static unsigned int ps3fb_find_mode(const struct fb_var_screeninfo *var,
 330                                     u32 *ddr_line_length, u32 *xdr_line_length)
 331 {
 332         unsigned int i, fi, mode;
 333
 334         for (i = 0; i < ARRAY_SIZE(ps3fb_modedb); i++)
 335                 if (var->xres == ps3fb_modedb[i].xres &&
 336                     var->yres == ps3fb_modedb[i].yres &&
 337                     var->pixclock == ps3fb_modedb[i].pixclock &&
 338                     var->hsync_len == ps3fb_modedb[i].hsync_len &&
 339                     var->vsync_len == ps3fb_modedb[i].vsync_len &&
 340                     var->left_margin == ps3fb_modedb[i].left_margin &&
 341                     var->right_margin == ps3fb_modedb[i].right_margin &&
 342                     var->upper_margin == ps3fb_modedb[i].upper_margin &&
 343                     var->lower_margin == ps3fb_modedb[i].lower_margin &&
 344                     var->sync == ps3fb_modedb[i].sync &&
 345                     (var->vmode & FB_VMODE_MASK) == ps3fb_modedb[i].vmode)
 346                         goto found;
 347
 348         pr_debug("ps3fb_find_mode: mode not found\n");
 349         return 0;
 350
 351 found:
 352         /* Cropped broadcast modes use the full line length */
 353         fi = i < PS3AV_MODE_1080P50 ? i + PS3AV_MODE_WUXGA : i;
 354         *ddr_line_length = ps3fb_modedb[fi].xres * BPP;
 355
 356         if (ps3_compare_firmware_version(1, 9, 0) >= 0) {
 357                 *xdr_line_length = GPU_ALIGN_UP(max(var->xres,
 358                                                     var->xres_virtual) * BPP);
 359                 if (*xdr_line_length > GPU_MAX_LINE_LENGTH)
 360                         *xdr_line_length = GPU_MAX_LINE_LENGTH;
 361         } else
 362                 *xdr_line_length = *ddr_line_length;
 363
 364         /* Full broadcast modes have the full mode bit set */
 365         mode = i+1;
 366         if (mode > PS3AV_MODE_WUXGA)
 367                 mode = (mode - PS3AV_MODE_WUXGA) | PS3AV_MODE_FULL;
 368
 369         pr_debug("ps3fb_find_mode: mode %u\n", mode);
 370
 371         return mode;
 372 }
 373
 374 static const struct fb_videomode *ps3fb_default_mode(int id)
 375 {
 376         u32 mode = id & PS3AV_MODE_MASK;
 377         u32 flags;
 378
 379         if (mode < PS3AV_MODE_480I || mode > PS3AV_MODE_WUXGA)
 380                 return NULL;
 381
 382         flags = id & ~PS3AV_MODE_MASK;
 383
 384         if (mode <= PS3AV_MODE_1080P50 && flags & PS3AV_MODE_FULL) {
 385                 /* Full broadcast mode */
 386                 return &ps3fb_modedb[mode + PS3AV_MODE_WUXGA - 1];
 387         }
 388
 389         return &ps3fb_modedb[mode - 1];
 390 }
 391
 392 static void ps3fb_sync_image(struct device *dev, u64 frame_offset,
 393                              u64 dst_offset, u64 src_offset, u32 width,
 394                              u32 height, u32 dst_line_length,
 395                              u32 src_line_length)
 396 {
 397         int status;
 398         u64 line_length;
 399
 400         line_length = dst_line_length;
 401         if (src_line_length != dst_line_length)
 402                 line_length |= (u64)src_line_length << 32;
 403
 404         src_offset += GPU_FB_START;
 405         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 406                                            L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT,
 407                                            dst_offset, GPU_IOIF + src_offset,
 408                                            L1GPU_FB_BLIT_WAIT_FOR_COMPLETION |
 409                                            (width << 16) | height,
 410                                            line_length);
 411         if (status)
 412                 dev_err(dev,
 413                         "%s: lv1_gpu_context_attribute FB_BLIT failed: %d\n",
 414                         __func__, status);
 415 #ifdef HEAD_A
 416         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 417                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
 418                                            0, frame_offset, 0, 0);
 419         if (status)
 420                 dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
 421                         __func__, status);
 422 #endif
 423 #ifdef HEAD_B
 424         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 425                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
 426                                            1, frame_offset, 0, 0);
 427         if (status)
 428                 dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
 429                         __func__, status);
 430 #endif
 431 }
 432
 433 static int ps3fb_sync(struct fb_info *info, u32 frame)
 434 {
 435         struct ps3fb_par *par = info->par;
 436         int i, error = 0;
 437         u32 ddr_line_length, xdr_line_length;
 438         u64 ddr_base, xdr_base;
 439
 440         if (frame > par->num_frames - 1) {
 441                 dev_dbg(info->device, "%s: invalid frame number (%u)\n",
 442                         __func__, frame);
 443                 error = -EINVAL;
 444                 goto out;
 445         }
 446
 447         i = par->res_index;
 448         xdr_line_length = info->fix.line_length;
 449         ddr_line_length = ps3fb_res[i].xres * BPP;
 450         xdr_base = frame * info->var.yres_virtual * xdr_line_length;
 451         ddr_base = frame * ps3fb_res[i].yres * ddr_line_length;
 452
 453         ps3fb_sync_image(info->device, ddr_base + par->full_offset,
 454                          ddr_base + par->fb_offset, xdr_base + par->pan_offset,
 455                          par->width, par->height, ddr_line_length,
 456                          xdr_line_length);
 457
 458 out:
 459         return error;
 460 }
 461
 462 static int ps3fb_open(struct fb_info *info, int user)
 463 {
 464         atomic_inc(&ps3fb.f_count);
 465         return 0;
 466 }
 467
 468 static int ps3fb_release(struct fb_info *info, int user)
 469 {
 470         if (atomic_dec_and_test(&ps3fb.f_count)) {
 471                 if (atomic_read(&ps3fb.ext_flip)) {
 472                         atomic_set(&ps3fb.ext_flip, 0);
 473                         if (!try_acquire_console_sem()) {
 474                                 ps3fb_sync(info, 0);    /* single buffer */
 475                                 release_console_sem();
 476                         }
 477                 }
 478         }
 479         return 0;
 480 }
 481
 482     /*
 483      *  Setting the video mode has been split into two parts.
 484      *  First part, xxxfb_check_var, must not write anything
 485      *  to hardware, it should only verify and adjust var.
 486      *  This means it doesn't alter par but it does use hardware
 487      *  data from it to check this var.
 488      */
 489
 490 static int ps3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 491 {
 492         u32 xdr_line_length, ddr_line_length;
 493         int mode;
 494
 495         dev_dbg(info->device, "var->xres:%u info->var.xres:%u\n", var->xres,
 496                 info->var.xres);
 497         dev_dbg(info->device, "var->yres:%u info->var.yres:%u\n", var->yres,
 498                 info->var.yres);
 499
 500         /* FIXME For now we do exact matches only */
 501         mode = ps3fb_find_mode(var, &ddr_line_length, &xdr_line_length);
 502         if (!mode)
 503                 return -EINVAL;
 504
 505         /* Virtual screen */
 506         if (var->xres_virtual < var->xres)
 507                 var->xres_virtual = var->xres;
 508         if (var->yres_virtual < var->yres)
 509                 var->yres_virtual = var->yres;
 510
 511         if (var->xres_virtual > xdr_line_length / BPP) {
 512                 dev_dbg(info->device,
 513                         "Horizontal virtual screen size too large\n");
 514                 return -EINVAL;
 515         }
 516
 517         if (var->xoffset + var->xres > var->xres_virtual ||
 518             var->yoffset + var->yres > var->yres_virtual) {
 519                 dev_dbg(info->device, "panning out-of-range\n");
 520                 return -EINVAL;
 521         }
 522
 523         /* We support ARGB8888 only */
 524         if (var->bits_per_pixel > 32 || var->grayscale ||
 525             var->red.offset > 16 || var->green.offset > 8 ||
 526             var->blue.offset > 0 || var->transp.offset > 24 ||
 527             var->red.length > 8 || var->green.length > 8 ||
 528             var->blue.length > 8 || var->transp.length > 8 ||
 529             var->red.msb_right || var->green.msb_right ||
 530             var->blue.msb_right || var->transp.msb_right || var->nonstd) {
 531                 dev_dbg(info->device, "We support ARGB8888 only\n");
 532                 return -EINVAL;
 533         }
 534
 535         var->bits_per_pixel = 32;
 536         var->red.offset = 16;
 537         var->green.offset = 8;
 538         var->blue.offset = 0;
 539         var->transp.offset = 24;
 540         var->red.length = 8;
 541         var->green.length = 8;
 542         var->blue.length = 8;
 543         var->transp.length = 8;
 544         var->red.msb_right = 0;
 545         var->green.msb_right = 0;
 546         var->blue.msb_right = 0;
 547         var->transp.msb_right = 0;
 548
 549         /* Rotation is not supported */
 550         if (var->rotate) {
 551                 dev_dbg(info->device, "Rotation is not supported\n");
 552                 return -EINVAL;
 553         }
 554
 555         /* Memory limit */
 556         if (var->yres_virtual * xdr_line_length > ps3fb.xdr_size) {
 557                 dev_dbg(info->device, "Not enough memory\n");
 558                 return -ENOMEM;
 559         }
 560
 561         var->height = -1;
 562         var->width = -1;
 563
 564         return 0;
 565 }
 566
 567     /*
 568      * This routine actually sets the video mode.
 569      */
 570
 571 static int ps3fb_set_par(struct fb_info *info)
 572 {
 573         struct ps3fb_par *par = info->par;
 574         unsigned int mode, ddr_line_length, xdr_line_length, lines, maxlines;
 575         int i;
 576         unsigned long offset;
 577         u64 dst;
 578
 579         dev_dbg(info->device, "xres:%d xv:%d yres:%d yv:%d clock:%d\n",
 580                 info->var.xres, info->var.xres_virtual,
 581                 info->var.yres, info->var.yres_virtual, info->var.pixclock);
 582
 583         mode = ps3fb_find_mode(&info->var, &ddr_line_length, &xdr_line_length);
 584         if (!mode)
 585                 return -EINVAL;
 586
 587         i = ps3fb_get_res_table(info->var.xres, info->var.yres, mode);
 588         par->res_index = i;
 589
 590         info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea);
 591         info->fix.smem_len = ps3fb.xdr_size;
 592         info->fix.xpanstep = info->var.xres_virtual > info->var.xres ? 1 : 0;
 593         info->fix.ypanstep = info->var.yres_virtual > info->var.yres ? 1 : 0;
 594         info->fix.line_length = xdr_line_length;
 595
 596         info->screen_base = (char __iomem *)ps3fb.xdr_ea;
 597
 598         par->num_frames = ps3fb.xdr_size /
 599                           max(ps3fb_res[i].yres * ddr_line_length,
 600                               info->var.yres_virtual * xdr_line_length);
 601
 602         /* Keep the special bits we cannot set using fb_var_screeninfo */
 603         par->new_mode_id = (par->new_mode_id & ~PS3AV_MODE_MASK) | mode;
 604
 605         par->width = info->var.xres;
 606         par->height = info->var.yres;
 607
 608         /* Start of the virtual frame buffer (relative to fullscreen) */
 609         offset = ps3fb_res[i].yoff * ddr_line_length + ps3fb_res[i].xoff * BPP;
 610
 611         par->fb_offset = GPU_ALIGN_UP(offset);
 612         par->full_offset = par->fb_offset - offset;
 613         par->pan_offset = info->var.yoffset * xdr_line_length +
 614                           info->var.xoffset * BPP;
 615
 616         if (par->new_mode_id != par->mode_id) {
 617                 if (ps3av_set_video_mode(par->new_mode_id)) {
 618                         par->new_mode_id = par->mode_id;
 619                         return -EINVAL;
 620                 }
 621                 par->mode_id = par->new_mode_id;
 622         }
 623
 624         /* Clear XDR frame buffer memory */
 625         memset(ps3fb.xdr_ea, 0, ps3fb.xdr_size);
 626
 627         /* Clear DDR frame buffer memory */
 628         lines = ps3fb_res[i].yres * par->num_frames;
 629         if (par->full_offset)
 630                 lines++;
 631         maxlines = ps3fb.xdr_size / ddr_line_length;
 632         for (dst = 0; lines; dst += maxlines * ddr_line_length) {
 633                 unsigned int l = min(lines, maxlines);
 634                 ps3fb_sync_image(info->device, 0, dst, 0, ps3fb_res[i].xres, l,
 635                                  ddr_line_length, ddr_line_length);
 636                 lines -= l;
 637         }
 638
 639         return 0;
 640 }
 641
 642     /*
 643      *  Set a single color register. The values supplied are already
 644      *  rounded down to the hardware's capabilities (according to the
 645      *  entries in the var structure). Return != 0 for invalid regno.
 646      */
 647
 648 static int ps3fb_setcolreg(unsigned int regno, unsigned int red,
 649                            unsigned int green, unsigned int blue,
 650                            unsigned int transp, struct fb_info *info)
 651 {
 652         if (regno >= 16)
 653                 return 1;
 654
 655         red >>= 8;
 656         green >>= 8;
 657         blue >>= 8;
 658         transp >>= 8;
 659
 660         ((u32 *)info->pseudo_palette)[regno] = transp << 24 | red << 16 |
 661                                                green << 8 | blue;
 662         return 0;
 663 }
 664
 665 static int ps3fb_pan_display(struct fb_var_screeninfo *var,
 666                              struct fb_info *info)
 667 {
 668         struct ps3fb_par *par = info->par;
 669
 670         par->pan_offset = var->yoffset * info->fix.line_length +
 671                           var->xoffset * BPP;
 672         return 0;
 673 }
 674
 675     /*
 676      *  As we have a virtual frame buffer, we need our own mmap function
 677      */
 678
 679 static int ps3fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
 680 {
 681         unsigned long size, offset;
 682
 683         size = vma->vm_end - vma->vm_start;
 684         offset = vma->vm_pgoff << PAGE_SHIFT;
 685         if (offset + size > info->fix.smem_len)
 686                 return -EINVAL;
 687
 688         offset += info->fix.smem_start;
 689         if (remap_pfn_range(vma, vma->vm_start, offset >> PAGE_SHIFT,
 690                             size, vma->vm_page_prot))
 691                 return -EAGAIN;
 692
 693         dev_dbg(info->device, "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n",
 694                 offset, vma->vm_start);
 695         return 0;
 696 }
 697
 698     /*
 699      * Blank the display
 700      */
 701
 702 static int ps3fb_blank(int blank, struct fb_info *info)
 703 {
 704         int retval;
 705
 706         dev_dbg(info->device, "%s: blank:%d\n", __func__, blank);
 707         switch (blank) {
 708         case FB_BLANK_POWERDOWN:
 709         case FB_BLANK_HSYNC_SUSPEND:
 710         case FB_BLANK_VSYNC_SUSPEND:
 711         case FB_BLANK_NORMAL:
 712                 retval = ps3av_video_mute(1);   /* mute on */
 713                 if (!retval)
 714                         ps3fb.is_blanked = 1;
 715                 break;
 716
 717         default:                /* unblank */
 718                 retval = ps3av_video_mute(0);   /* mute off */
 719                 if (!retval)
 720                         ps3fb.is_blanked = 0;
 721                 break;
 722         }
 723         return retval;
 724 }
 725
 726 static int ps3fb_get_vblank(struct fb_vblank *vblank)
 727 {
 728         memset(vblank, 0, sizeof(*vblank));
 729         vblank->flags = FB_VBLANK_HAVE_VSYNC;
 730         return 0;
 731 }
 732
 733 static int ps3fb_wait_for_vsync(u32 crtc)
 734 {
 735         int ret;
 736         u64 count;
 737
 738         count = ps3fb.vblank_count;
 739         ret = wait_event_interruptible_timeout(ps3fb.wait_vsync,
 740                                                count != ps3fb.vblank_count,
 741                                                HZ / 10);
 742         if (!ret)
 743                 return -ETIMEDOUT;
 744
 745         return 0;
 746 }
 747
 748 static void ps3fb_flip_ctl(int on, void *data)
 749 {
 750         struct ps3fb_priv *priv = data;
 751         if (on)
 752                 atomic_dec_if_positive(&priv->ext_flip);
 753         else
 754                 atomic_inc(&priv->ext_flip);
 755 }
 756
 757
 758     /*
 759      * ioctl
 760      */
 761
 762 static int ps3fb_ioctl(struct fb_info *info, unsigned int cmd,
 763                        unsigned long arg)
 764 {
 765         void __user *argp = (void __user *)arg;
 766         u32 val;
 767         int retval = -EFAULT;
 768
 769         switch (cmd) {
 770         case FBIOGET_VBLANK:
 771                 {
 772                         struct fb_vblank vblank;
 773                         dev_dbg(info->device, "FBIOGET_VBLANK:\n");
 774                         retval = ps3fb_get_vblank(&vblank);
 775                         if (retval)
 776                                 break;
 777
 778                         if (copy_to_user(argp, &vblank, sizeof(vblank)))
 779                                 retval = -EFAULT;
 780                         break;
 781                 }
 782
 783         case FBIO_WAITFORVSYNC:
 784                 {
 785                         u32 crt;
 786                         dev_dbg(info->device, "FBIO_WAITFORVSYNC:\n");
 787                         if (get_user(crt, (u32 __user *) arg))
 788                                 break;
 789
 790                         retval = ps3fb_wait_for_vsync(crt);
 791                         break;
 792                 }
 793
 794         case PS3FB_IOCTL_SETMODE:
 795                 {
 796                         struct ps3fb_par *par = info->par;
 797                         const struct fb_videomode *mode;
 798                         struct fb_var_screeninfo var;
 799
 800                         if (copy_from_user(&val, argp, sizeof(val)))
 801                                 break;
 802
 803                         if (!(val & PS3AV_MODE_MASK)) {
 804                                 u32 id = ps3av_get_auto_mode();
 805                                 if (id > 0)
 806                                         val = (val & ~PS3AV_MODE_MASK) | id;
 807                         }
 808                         dev_dbg(info->device, "PS3FB_IOCTL_SETMODE:%x\n", val);
 809                         retval = -EINVAL;
 810                         mode = ps3fb_default_mode(val);
 811                         if (mode) {
 812                                 var = info->var;
 813                                 fb_videomode_to_var(&var, mode);
 814                                 acquire_console_sem();
 815                                 info->flags |= FBINFO_MISC_USEREVENT;
 816                                 /* Force, in case only special bits changed */
 817                                 var.activate |= FB_ACTIVATE_FORCE;
 818                                 par->new_mode_id = val;
 819                                 retval = fb_set_var(info, &var);
 820                                 info->flags &= ~FBINFO_MISC_USEREVENT;
 821                                 release_console_sem();
 822                         }
 823                         break;
 824                 }
 825
 826         case PS3FB_IOCTL_GETMODE:
 827                 val = ps3av_get_mode();
 828                 dev_dbg(info->device, "PS3FB_IOCTL_GETMODE:%x\n", val);
 829                 if (!copy_to_user(argp, &val, sizeof(val)))
 830                         retval = 0;
 831                 break;
 832
 833         case PS3FB_IOCTL_SCREENINFO:
 834                 {
 835                         struct ps3fb_par *par = info->par;
 836                         struct ps3fb_ioctl_res res;
 837                         dev_dbg(info->device, "PS3FB_IOCTL_SCREENINFO:\n");
 838                         res.xres = info->fix.line_length / BPP;
 839                         res.yres = info->var.yres_virtual;
 840                         res.xoff = (res.xres - info->var.xres) / 2;
 841                         res.yoff = (res.yres - info->var.yres) / 2;
 842                         res.num_frames = par->num_frames;
 843                         if (!copy_to_user(argp, &res, sizeof(res)))
 844                                 retval = 0;
 845                         break;
 846                 }
 847
 848         case PS3FB_IOCTL_ON:
 849                 dev_dbg(info->device, "PS3FB_IOCTL_ON:\n");
 850                 atomic_inc(&ps3fb.ext_flip);
 851                 retval = 0;
 852                 break;
 853
 854         case PS3FB_IOCTL_OFF:
 855                 dev_dbg(info->device, "PS3FB_IOCTL_OFF:\n");
 856                 atomic_dec_if_positive(&ps3fb.ext_flip);
 857                 retval = 0;
 858                 break;
 859
 860         case PS3FB_IOCTL_FSEL:
 861                 if (copy_from_user(&val, argp, sizeof(val)))
 862                         break;
 863
 864                 dev_dbg(info->device, "PS3FB_IOCTL_FSEL:%d\n", val);
 865                 acquire_console_sem();
 866                 retval = ps3fb_sync(info, val);
 867                 release_console_sem();
 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                         acquire_console_sem();
 888                         ps3fb_sync(info, 0);    /* single buffer */
 889                         release_console_sem();
 890                 }
 891                 schedule();
 892         }
 893         return 0;
 894 }
 895
 896 static irqreturn_t ps3fb_vsync_interrupt(int irq, void *ptr)
 897 {
 898         struct device *dev = ptr;
 899         u64 v1;
 900         int status;
 901         struct display_head *head = &ps3fb.dinfo->display_head[1];
 902
 903         status = lv1_gpu_context_intr(ps3fb.context_handle, &v1);
 904         if (status) {
 905                 dev_err(dev, "%s: lv1_gpu_context_intr failed: %d\n", __func__,
 906                         status);
 907                 return IRQ_NONE;
 908         }
 909
 910         if (v1 & (1 << GPU_INTR_STATUS_VSYNC_1)) {
 911                 /* VSYNC */
 912                 ps3fb.vblank_count = head->vblank_count;
 913                 if (ps3fb.task && !ps3fb.is_blanked &&
 914                     !atomic_read(&ps3fb.ext_flip)) {
 915                         ps3fb.is_kicked = 1;
 916                         wake_up_process(ps3fb.task);
 917                 }
 918                 wake_up_interruptible(&ps3fb.wait_vsync);
 919         }
 920
 921         return IRQ_HANDLED;
 922 }
 923
 924
 925 static int ps3fb_vsync_settings(struct gpu_driver_info *dinfo,
 926                                 struct device *dev)
 927 {
 928         int error;
 929
 930         dev_dbg(dev, "version_driver:%x\n", dinfo->version_driver);
 931         dev_dbg(dev, "irq outlet:%x\n", dinfo->irq.irq_outlet);
 932         dev_dbg(dev,
 933                 "version_gpu: %x memory_size: %x ch: %x core_freq: %d "
 934                 "mem_freq:%d\n",
 935                 dinfo->version_gpu, dinfo->memory_size, dinfo->hardware_channel,
 936                 dinfo->nvcore_frequency/1000000, dinfo->memory_frequency/1000000);
 937
 938         if (dinfo->version_driver != GPU_DRIVER_INFO_VERSION) {
 939                 dev_err(dev, "%s: version_driver err:%x\n", __func__,
 940                         dinfo->version_driver);
 941                 return -EINVAL;
 942         }
 943
 944         error = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet,
 945                                    &ps3fb.irq_no);
 946         if (error) {
 947                 dev_err(dev, "%s: ps3_alloc_irq failed %d\n", __func__, error);
 948                 return error;
 949         }
 950
 951         error = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt, IRQF_DISABLED,
 952                             DEVICE_NAME, dev);
 953         if (error) {
 954                 dev_err(dev, "%s: request_irq failed %d\n", __func__, error);
 955                 ps3_irq_plug_destroy(ps3fb.irq_no);
 956                 return error;
 957         }
 958
 959         dinfo->irq.mask = (1 << GPU_INTR_STATUS_VSYNC_1) |
 960                           (1 << GPU_INTR_STATUS_FLIP_1);
 961         return 0;
 962 }
 963
 964 static int ps3fb_xdr_settings(u64 xdr_lpar, struct device *dev)
 965 {
 966         int status;
 967
 968         status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF,
 969                                        xdr_lpar, ps3fb_videomemory.size, 0);
 970         if (status) {
 971                 dev_err(dev, "%s: lv1_gpu_context_iomap failed: %d\n",
 972                         __func__, status);
 973                 return -ENXIO;
 974         }
 975         dev_dbg(dev,
 976                 "video:%p xdr_ea:%p ioif:%lx lpar:%lx phys:%lx size:%lx\n",
 977                 ps3fb_videomemory.address, ps3fb.xdr_ea, GPU_IOIF, xdr_lpar,
 978                 virt_to_abs(ps3fb.xdr_ea), ps3fb_videomemory.size);
 979
 980         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 981                                            L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP,
 982                                            xdr_lpar, GPU_CMD_BUF_SIZE,
 983                                            GPU_IOIF, 0);
 984         if (status) {
 985                 dev_err(dev,
 986                         "%s: lv1_gpu_context_attribute FB_SETUP failed: %d\n",
 987                         __func__, status);
 988                 return -ENXIO;
 989         }
 990         return 0;
 991 }
 992
 993 static struct fb_ops ps3fb_ops = {
 994         .fb_open        = ps3fb_open,
 995         .fb_release     = ps3fb_release,
 996         .fb_read        = fb_sys_read,
 997         .fb_write       = fb_sys_write,
 998         .fb_check_var   = ps3fb_check_var,
 999         .fb_set_par     = ps3fb_set_par,
1000         .fb_setcolreg   = ps3fb_setcolreg,
1001         .fb_pan_display = ps3fb_pan_display,
1002         .fb_fillrect    = sys_fillrect,
1003         .fb_copyarea    = sys_copyarea,
1004         .fb_imageblit   = sys_imageblit,
1005         .fb_mmap        = ps3fb_mmap,
1006         .fb_blank       = ps3fb_blank,
1007         .fb_ioctl       = ps3fb_ioctl,
1008         .fb_compat_ioctl = ps3fb_ioctl
1009 };
1010
1011 static struct fb_fix_screeninfo ps3fb_fix __initdata = {
1012         .id =           DEVICE_NAME,
1013         .type =         FB_TYPE_PACKED_PIXELS,
1014         .visual =       FB_VISUAL_TRUECOLOR,
1015         .accel =        FB_ACCEL_NONE,
1016 };
1017
1018 static int ps3fb_set_sync(struct device *dev)
1019 {
1020         int status;
1021
1022 #ifdef HEAD_A
1023         status = lv1_gpu_context_attribute(0x0,
1024                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
1025                                            0, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
1026         if (status) {
1027                 dev_err(dev,
1028                         "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
1029                         "%d\n",
1030                         __func__, status);
1031                 return -1;
1032         }
1033 #endif
1034 #ifdef HEAD_B
1035         status = lv1_gpu_context_attribute(0x0,
1036                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
1037                                            1, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
1038
1039         if (status) {
1040                 dev_err(dev,
1041                         "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
1042                         "%d\n",
1043                         __func__, status);
1044                 return -1;
1045         }
1046 #endif
1047         return 0;
1048 }
1049
1050 static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev)
1051 {
1052         struct fb_info *info;
1053         struct ps3fb_par *par;
1054         int retval = -ENOMEM;
1055         u32 xres, yres;
1056         u64 ddr_lpar = 0;
1057         u64 lpar_dma_control = 0;
1058         u64 lpar_driver_info = 0;
1059         u64 lpar_reports = 0;
1060         u64 lpar_reports_size = 0;
1061         u64 xdr_lpar;
1062         int status, res_index;
1063         struct task_struct *task;
1064         unsigned long max_ps3fb_size;
1065
1066         if (ps3fb_videomemory.size < GPU_CMD_BUF_SIZE) {
1067                 dev_err(&dev->core, "%s: Not enough video memory\n", __func__);
1068                 return -ENOMEM;
1069         }
1070
1071         status = ps3_open_hv_device(dev);
1072         if (status) {
1073                 dev_err(&dev->core, "%s: ps3_open_hv_device failed\n",
1074                         __func__);
1075                 goto err;
1076         }
1077
1078         if (!ps3fb_mode)
1079                 ps3fb_mode = ps3av_get_mode();
1080         dev_dbg(&dev->core, "ps3fb_mode: %d\n", ps3fb_mode);
1081
1082         if (ps3fb_mode > 0 &&
1083             !ps3av_video_mode2res(ps3fb_mode, &xres, &yres)) {
1084                 res_index = ps3fb_get_res_table(xres, yres, ps3fb_mode);
1085                 dev_dbg(&dev->core, "res_index:%d\n", res_index);
1086         } else
1087                 res_index = GPU_RES_INDEX;
1088
1089         atomic_set(&ps3fb.f_count, -1); /* fbcon opens ps3fb */
1090         atomic_set(&ps3fb.ext_flip, 0); /* for flip with vsync */
1091         init_waitqueue_head(&ps3fb.wait_vsync);
1092
1093         ps3fb_set_sync(&dev->core);
1094
1095         max_ps3fb_size = _ALIGN_UP(GPU_IOIF, 256*1024*1024) - GPU_IOIF;
1096         if (ps3fb_videomemory.size > max_ps3fb_size) {
1097                 dev_info(&dev->core, "Limiting ps3fb mem size to %lu bytes\n",
1098                          max_ps3fb_size);
1099                 ps3fb_videomemory.size = max_ps3fb_size;
1100         }
1101
1102         /* get gpu context handle */
1103         status = lv1_gpu_memory_allocate(ps3fb_videomemory.size, 0, 0, 0, 0,
1104                                          &ps3fb.memory_handle, &ddr_lpar);
1105         if (status) {
1106                 dev_err(&dev->core, "%s: lv1_gpu_memory_allocate failed: %d\n",
1107                         __func__, status);
1108                 goto err;
1109         }
1110         dev_dbg(&dev->core, "ddr:lpar:0x%lx\n", ddr_lpar);
1111
1112         status = lv1_gpu_context_allocate(ps3fb.memory_handle, 0,
1113                                           &ps3fb.context_handle,
1114                                           &lpar_dma_control, &lpar_driver_info,
1115                                           &lpar_reports, &lpar_reports_size);
1116         if (status) {
1117                 dev_err(&dev->core,
1118                         "%s: lv1_gpu_context_attribute failed: %d\n", __func__,
1119                         status);
1120                 goto err_gpu_memory_free;
1121         }
1122
1123         /* vsync interrupt */
1124         ps3fb.dinfo = ioremap(lpar_driver_info, 128 * 1024);
1125         if (!ps3fb.dinfo) {
1126                 dev_err(&dev->core, "%s: ioremap failed\n", __func__);
1127                 goto err_gpu_context_free;
1128         }
1129
1130         retval = ps3fb_vsync_settings(ps3fb.dinfo, &dev->core);
1131         if (retval)
1132                 goto err_iounmap_dinfo;
1133
1134         /* XDR frame buffer */
1135         ps3fb.xdr_ea = ps3fb_videomemory.address;
1136         xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb.xdr_ea));
1137
1138         /* Clear memory to prevent kernel info leakage into userspace */
1139         memset(ps3fb.xdr_ea, 0, ps3fb_videomemory.size);
1140
1141         /*
1142          * The GPU command buffer is at the start of video memory
1143          * As we don't use the full command buffer, we can put the actual
1144          * frame buffer at offset GPU_FB_START and save some precious XDR
1145          * memory
1146          */
1147         ps3fb.xdr_ea += GPU_FB_START;
1148         ps3fb.xdr_size = ps3fb_videomemory.size - GPU_FB_START;
1149
1150         retval = ps3fb_xdr_settings(xdr_lpar, &dev->core);
1151         if (retval)
1152                 goto err_free_irq;
1153
1154         info = framebuffer_alloc(sizeof(struct ps3fb_par), &dev->core);
1155         if (!info)
1156                 goto err_free_irq;
1157
1158         par = info->par;
1159         par->mode_id = ~ps3fb_mode;     /* != ps3fb_mode, to trigger change */
1160         par->new_mode_id = ps3fb_mode;
1161         par->res_index = res_index;
1162         par->num_frames = 1;
1163
1164         info->screen_base = (char __iomem *)ps3fb.xdr_ea;
1165         info->fbops = &ps3fb_ops;
1166
1167         info->fix = ps3fb_fix;
1168         info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea);
1169         info->fix.smem_len = ps3fb.xdr_size;
1170         info->pseudo_palette = par->pseudo_palette;
1171         info->flags = FBINFO_DEFAULT | FBINFO_READS_FAST |
1172                       FBINFO_HWACCEL_XPAN | FBINFO_HWACCEL_YPAN;
1173
1174         retval = fb_alloc_cmap(&info->cmap, 256, 0);
1175         if (retval < 0)
1176                 goto err_framebuffer_release;
1177
1178         if (!fb_find_mode(&info->var, info, mode_option, ps3fb_modedb,
1179                           ARRAY_SIZE(ps3fb_modedb),
1180                           ps3fb_default_mode(par->new_mode_id), 32)) {
1181                 retval = -EINVAL;
1182                 goto err_fb_dealloc;
1183         }
1184
1185         fb_videomode_to_modelist(ps3fb_modedb, ARRAY_SIZE(ps3fb_modedb),
1186                                  &info->modelist);
1187
1188         retval = register_framebuffer(info);
1189         if (retval < 0)
1190                 goto err_fb_dealloc;
1191
1192         dev->core.driver_data = info;
1193
1194         dev_info(info->device, "%s %s, using %lu KiB of video memory\n",
1195                  dev_driver_string(info->dev), info->dev->bus_id,
1196                  ps3fb.xdr_size >> 10);
1197
1198         task = kthread_run(ps3fbd, info, DEVICE_NAME);
1199         if (IS_ERR(task)) {
1200                 retval = PTR_ERR(task);
1201                 goto err_unregister_framebuffer;
1202         }
1203
1204         ps3fb.task = task;
1205         ps3av_register_flip_ctl(ps3fb_flip_ctl, &ps3fb);
1206
1207         return 0;
1208
1209 err_unregister_framebuffer:
1210         unregister_framebuffer(info);
1211 err_fb_dealloc:
1212         fb_dealloc_cmap(&info->cmap);
1213 err_framebuffer_release:
1214         framebuffer_release(info);
1215 err_free_irq:
1216         free_irq(ps3fb.irq_no, &dev->core);
1217         ps3_irq_plug_destroy(ps3fb.irq_no);
1218 err_iounmap_dinfo:
1219         iounmap((u8 __iomem *)ps3fb.dinfo);
1220 err_gpu_context_free:
1221         lv1_gpu_context_free(ps3fb.context_handle);
1222 err_gpu_memory_free:
1223         lv1_gpu_memory_free(ps3fb.memory_handle);
1224 err:
1225         return retval;
1226 }
1227
1228 static int ps3fb_shutdown(struct ps3_system_bus_device *dev)
1229 {
1230         int status;
1231         struct fb_info *info = dev->core.driver_data;
1232
1233         dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
1234
1235         ps3fb_flip_ctl(0, &ps3fb);      /* flip off */
1236         ps3fb.dinfo->irq.mask = 0;
1237
1238         ps3av_register_flip_ctl(NULL, NULL);
1239         if (ps3fb.task) {
1240                 struct task_struct *task = ps3fb.task;
1241                 ps3fb.task = NULL;
1242                 kthread_stop(task);
1243         }
1244         if (ps3fb.irq_no) {
1245                 free_irq(ps3fb.irq_no, &dev->core);
1246                 ps3_irq_plug_destroy(ps3fb.irq_no);
1247         }
1248         if (info) {
1249                 unregister_framebuffer(info);
1250                 fb_dealloc_cmap(&info->cmap);
1251                 framebuffer_release(info);
1252                 info = dev->core.driver_data = NULL;
1253         }
1254         iounmap((u8 __iomem *)ps3fb.dinfo);
1255
1256         status = lv1_gpu_context_free(ps3fb.context_handle);
1257         if (status)
1258                 dev_dbg(&dev->core, "lv1_gpu_context_free failed: %d\n",
1259                         status);
1260
1261         status = lv1_gpu_memory_free(ps3fb.memory_handle);
1262         if (status)
1263                 dev_dbg(&dev->core, "lv1_gpu_memory_free failed: %d\n",
1264                         status);
1265
1266         ps3_close_hv_device(dev);
1267         dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
1268
1269         return 0;
1270 }
1271
1272 static struct ps3_system_bus_driver ps3fb_driver = {
1273         .match_id       = PS3_MATCH_ID_GRAPHICS,
1274         .core.name      = DEVICE_NAME,
1275         .core.owner     = THIS_MODULE,
1276         .probe          = ps3fb_probe,
1277         .remove         = ps3fb_shutdown,
1278         .shutdown       = ps3fb_shutdown,
1279 };
1280
1281 static int __init ps3fb_setup(void)
1282 {
1283         char *options;
1284
1285 #ifdef MODULE
1286         return 0;
1287 #endif
1288
1289         if (fb_get_options(DEVICE_NAME, &options))
1290                 return -ENXIO;
1291
1292         if (!options || !*options)
1293                 return 0;
1294
1295         while (1) {
1296                 char *this_opt = strsep(&options, ",");
1297
1298                 if (!this_opt)
1299                         break;
1300                 if (!*this_opt)
1301                         continue;
1302                 if (!strncmp(this_opt, "mode:", 5))
1303                         ps3fb_mode = simple_strtoul(this_opt + 5, NULL, 0);
1304                 else
1305                         mode_option = this_opt;
1306         }
1307         return 0;
1308 }
1309
1310 static int __init ps3fb_init(void)
1311 {
1312         if (!ps3fb_videomemory.address ||  ps3fb_setup())
1313                 return -ENXIO;
1314
1315         return ps3_system_bus_driver_register(&ps3fb_driver);
1316 }
1317
1318 static void __exit ps3fb_exit(void)
1319 {
1320         pr_debug(" -> %s:%d\n", __func__, __LINE__);
1321         ps3_system_bus_driver_unregister(&ps3fb_driver);
1322         pr_debug(" <- %s:%d\n", __func__, __LINE__);
1323 }
1324
1325 module_init(ps3fb_init);
1326 module_exit(ps3fb_exit);
1327
1328 MODULE_LICENSE("GPL");
1329 MODULE_DESCRIPTION("PS3 GPU Frame Buffer Driver");
1330 MODULE_AUTHOR("Sony Computer Entertainment Inc.");
1331 MODULE_ALIAS(PS3_MODULE_ALIAS_GRAPHICS);