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   1 /*
   2  *  linux/drivers/video/ps3fb.c -- PS3 GPU frame buffer device
   3  *
   4  *      Copyright (C) 2006 Sony Computer Entertainment Inc.
   5  *      Copyright 2006, 2007 Sony Corporation
   6  *
   7  *  This file is based on :
   8  *
   9  *  linux/drivers/video/vfb.c -- Virtual frame buffer device
  10  *
  11  *      Copyright (C) 2002 James Simmons
  12  *
  13  *      Copyright (C) 1997 Geert Uytterhoeven
  14  *
  15  *  This file is subject to the terms and conditions of the GNU General Public
  16  *  License. See the file COPYING in the main directory of this archive for
  17  *  more details.
  18  */
  19
  20 #include <linux/module.h>
  21 #include <linux/kernel.h>
  22 #include <linux/errno.h>
  23 #include <linux/string.h>
  24 #include <linux/mm.h>
  25 #include <linux/interrupt.h>
  26 #include <linux/console.h>
  27 #include <linux/ioctl.h>
  28 #include <linux/kthread.h>
  29 #include <linux/freezer.h>
  30 #include <linux/uaccess.h>
  31 #include <linux/fb.h>
  32 #include <linux/init.h>
  33
  34 #include <asm/abs_addr.h>
  35 #include <asm/lv1call.h>
  36 #include <asm/ps3av.h>
  37 #include <asm/ps3fb.h>
  38 #include <asm/ps3.h>
  39
  40
  41 #define DEVICE_NAME             "ps3fb"
  42
  43 #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC    0x101
  44 #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP    0x102
  45 #define L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP        0x600
  46 #define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT         0x601
  47 #define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT_SYNC    0x602
  48
  49 #define L1GPU_FB_BLIT_WAIT_FOR_COMPLETION       (1ULL << 32)
  50
  51 #define L1GPU_DISPLAY_SYNC_HSYNC                1
  52 #define L1GPU_DISPLAY_SYNC_VSYNC                2
  53
  54 #define 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 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         src_offset += GPU_FB_START;
 411         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 412                                            L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT,
 413                                            dst_offset, GPU_IOIF + src_offset,
 414                                            L1GPU_FB_BLIT_WAIT_FOR_COMPLETION |
 415                                            (width << 16) | height,
 416                                            line_length);
 417         if (status)
 418                 dev_err(dev,
 419                         "%s: lv1_gpu_context_attribute FB_BLIT failed: %d\n",
 420                         __func__, status);
 421 #ifdef HEAD_A
 422         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 423                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
 424                                            0, frame_offset, 0, 0);
 425         if (status)
 426                 dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
 427                         __func__, status);
 428 #endif
 429 #ifdef HEAD_B
 430         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 431                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
 432                                            1, frame_offset, 0, 0);
 433         if (status)
 434                 dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
 435                         __func__, status);
 436 #endif
 437 }
 438
 439 static int ps3fb_sync(struct fb_info *info, u32 frame)
 440 {
 441         struct ps3fb_par *par = info->par;
 442         int i, error = 0;
 443         u32 ddr_line_length, xdr_line_length;
 444         u64 ddr_base, xdr_base;
 445
 446         acquire_console_sem();
 447
 448         if (frame > par->num_frames - 1) {
 449                 dev_dbg(info->device, "%s: invalid frame number (%u)\n",
 450                         __func__, frame);
 451                 error = -EINVAL;
 452                 goto out;
 453         }
 454
 455         i = par->res_index;
 456         xdr_line_length = info->fix.line_length;
 457         ddr_line_length = ps3fb_res[i].xres * BPP;
 458         xdr_base = frame * info->var.yres_virtual * xdr_line_length;
 459         ddr_base = frame * ps3fb_res[i].yres * ddr_line_length;
 460
 461         ps3fb_sync_image(info->device, ddr_base + par->full_offset,
 462                          ddr_base + par->fb_offset, xdr_base + par->pan_offset,
 463                          par->width, par->height, ddr_line_length,
 464                          xdr_line_length);
 465
 466 out:
 467         release_console_sem();
 468         return error;
 469 }
 470
 471 static int ps3fb_open(struct fb_info *info, int user)
 472 {
 473         atomic_inc(&ps3fb.f_count);
 474         return 0;
 475 }
 476
 477 static int ps3fb_release(struct fb_info *info, int user)
 478 {
 479         if (atomic_dec_and_test(&ps3fb.f_count)) {
 480                 if (atomic_read(&ps3fb.ext_flip)) {
 481                         atomic_set(&ps3fb.ext_flip, 0);
 482                         ps3fb_sync(info, 0);    /* single buffer */
 483                 }
 484         }
 485         return 0;
 486 }
 487
 488     /*
 489      *  Setting the video mode has been split into two parts.
 490      *  First part, xxxfb_check_var, must not write anything
 491      *  to hardware, it should only verify and adjust var.
 492      *  This means it doesn't alter par but it does use hardware
 493      *  data from it to check this var.
 494      */
 495
 496 static int ps3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 497 {
 498         u32 xdr_line_length, ddr_line_length;
 499         int mode;
 500
 501         dev_dbg(info->device, "var->xres:%u info->var.xres:%u\n", var->xres,
 502                 info->var.xres);
 503         dev_dbg(info->device, "var->yres:%u info->var.yres:%u\n", var->yres,
 504                 info->var.yres);
 505
 506         /* FIXME For now we do exact matches only */
 507         mode = ps3fb_find_mode(var, &ddr_line_length, &xdr_line_length);
 508         if (!mode)
 509                 return -EINVAL;
 510
 511         /* Virtual screen */
 512         if (var->xres_virtual < var->xres)
 513                 var->xres_virtual = var->xres;
 514         if (var->yres_virtual < var->yres)
 515                 var->yres_virtual = var->yres;
 516
 517         if (var->xres_virtual > xdr_line_length / BPP) {
 518                 dev_dbg(info->device,
 519                         "Horizontal virtual screen size too large\n");
 520                 return -EINVAL;
 521         }
 522
 523         if (var->xoffset + var->xres > var->xres_virtual ||
 524             var->yoffset + var->yres > var->yres_virtual) {
 525                 dev_dbg(info->device, "panning out-of-range\n");
 526                 return -EINVAL;
 527         }
 528
 529         /* We support ARGB8888 only */
 530         if (var->bits_per_pixel > 32 || var->grayscale ||
 531             var->red.offset > 16 || var->green.offset > 8 ||
 532             var->blue.offset > 0 || var->transp.offset > 24 ||
 533             var->red.length > 8 || var->green.length > 8 ||
 534             var->blue.length > 8 || var->transp.length > 8 ||
 535             var->red.msb_right || var->green.msb_right ||
 536             var->blue.msb_right || var->transp.msb_right || var->nonstd) {
 537                 dev_dbg(info->device, "We support ARGB8888 only\n");
 538                 return -EINVAL;
 539         }
 540
 541         var->bits_per_pixel = 32;
 542         var->red.offset = 16;
 543         var->green.offset = 8;
 544         var->blue.offset = 0;
 545         var->transp.offset = 24;
 546         var->red.length = 8;
 547         var->green.length = 8;
 548         var->blue.length = 8;
 549         var->transp.length = 8;
 550         var->red.msb_right = 0;
 551         var->green.msb_right = 0;
 552         var->blue.msb_right = 0;
 553         var->transp.msb_right = 0;
 554
 555         /* Rotation is not supported */
 556         if (var->rotate) {
 557                 dev_dbg(info->device, "Rotation is not supported\n");
 558                 return -EINVAL;
 559         }
 560
 561         /* Memory limit */
 562         if (var->yres_virtual * xdr_line_length > ps3fb.xdr_size) {
 563                 dev_dbg(info->device, "Not enough memory\n");
 564                 return -ENOMEM;
 565         }
 566
 567         var->height = -1;
 568         var->width = -1;
 569
 570         return 0;
 571 }
 572
 573     /*
 574      * This routine actually sets the video mode.
 575      */
 576
 577 static int ps3fb_set_par(struct fb_info *info)
 578 {
 579         struct ps3fb_par *par = info->par;
 580         unsigned int mode, ddr_line_length, xdr_line_length, lines, maxlines;
 581         int i;
 582         unsigned long offset;
 583         u64 dst;
 584
 585         dev_dbg(info->device, "xres:%d xv:%d yres:%d yv:%d clock:%d\n",
 586                 info->var.xres, info->var.xres_virtual,
 587                 info->var.yres, info->var.yres_virtual, info->var.pixclock);
 588
 589         mode = ps3fb_find_mode(&info->var, &ddr_line_length, &xdr_line_length);
 590         if (!mode)
 591                 return -EINVAL;
 592
 593         i = ps3fb_get_res_table(info->var.xres, info->var.yres, mode);
 594         par->res_index = i;
 595
 596         info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea);
 597         info->fix.smem_len = ps3fb.xdr_size;
 598         info->fix.xpanstep = info->var.xres_virtual > info->var.xres ? 1 : 0;
 599         info->fix.ypanstep = info->var.yres_virtual > info->var.yres ? 1 : 0;
 600         info->fix.line_length = xdr_line_length;
 601
 602         info->screen_base = (char __iomem *)ps3fb.xdr_ea;
 603
 604         par->num_frames = ps3fb.xdr_size /
 605                           max(ps3fb_res[i].yres * ddr_line_length,
 606                               info->var.yres_virtual * xdr_line_length);
 607
 608         /* Keep the special bits we cannot set using fb_var_screeninfo */
 609         par->new_mode_id = (par->new_mode_id & ~PS3AV_MODE_MASK) | mode;
 610
 611         par->width = info->var.xres;
 612         par->height = info->var.yres;
 613         offset = VP_OFF(i);
 614         par->fb_offset = GPU_ALIGN_UP(offset);
 615         par->full_offset = par->fb_offset - offset;
 616         par->pan_offset = info->var.yoffset * xdr_line_length +
 617                           info->var.xoffset * BPP;
 618
 619         if (par->new_mode_id != par->mode_id) {
 620                 if (ps3av_set_video_mode(par->new_mode_id)) {
 621                         par->new_mode_id = par->mode_id;
 622                         return -EINVAL;
 623                 }
 624                 par->mode_id = par->new_mode_id;
 625         }
 626
 627         /* Clear XDR frame buffer memory */
 628         memset(ps3fb.xdr_ea, 0, ps3fb.xdr_size);
 629
 630         /* Clear DDR frame buffer memory */
 631         lines = ps3fb_res[i].yres * par->num_frames;
 632         if (par->full_offset)
 633                 lines++;
 634         maxlines = ps3fb.xdr_size / ddr_line_length;
 635         for (dst = 0; lines; dst += maxlines * ddr_line_length) {
 636                 unsigned int l = min(lines, maxlines);
 637                 ps3fb_sync_image(info->device, 0, dst, 0, ps3fb_res[i].xres, l,
 638                                  ddr_line_length, ddr_line_length);
 639                 lines -= l;
 640         }
 641
 642         return 0;
 643 }
 644
 645     /*
 646      *  Set a single color register. The values supplied are already
 647      *  rounded down to the hardware's capabilities (according to the
 648      *  entries in the var structure). Return != 0 for invalid regno.
 649      */
 650
 651 static int ps3fb_setcolreg(unsigned int regno, unsigned int red,
 652                            unsigned int green, unsigned int blue,
 653                            unsigned int transp, struct fb_info *info)
 654 {
 655         if (regno >= 16)
 656                 return 1;
 657
 658         red >>= 8;
 659         green >>= 8;
 660         blue >>= 8;
 661         transp >>= 8;
 662
 663         ((u32 *)info->pseudo_palette)[regno] = transp << 24 | red << 16 |
 664                                                green << 8 | blue;
 665         return 0;
 666 }
 667
 668 static int ps3fb_pan_display(struct fb_var_screeninfo *var,
 669                              struct fb_info *info)
 670 {
 671         struct ps3fb_par *par = info->par;
 672
 673         par->pan_offset = var->yoffset * info->fix.line_length +
 674                           var->xoffset * BPP;
 675         return 0;
 676 }
 677
 678     /*
 679      *  As we have a virtual frame buffer, we need our own mmap function
 680      */
 681
 682 static int ps3fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
 683 {
 684         unsigned long size, offset;
 685
 686         size = vma->vm_end - vma->vm_start;
 687         offset = vma->vm_pgoff << PAGE_SHIFT;
 688         if (offset + size > info->fix.smem_len)
 689                 return -EINVAL;
 690
 691         offset += info->fix.smem_start;
 692         if (remap_pfn_range(vma, vma->vm_start, offset >> PAGE_SHIFT,
 693                             size, vma->vm_page_prot))
 694                 return -EAGAIN;
 695
 696         dev_dbg(info->device, "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n",
 697                 offset, vma->vm_start);
 698         return 0;
 699 }
 700
 701     /*
 702      * Blank the display
 703      */
 704
 705 static int ps3fb_blank(int blank, struct fb_info *info)
 706 {
 707         int retval;
 708
 709         dev_dbg(info->device, "%s: blank:%d\n", __func__, blank);
 710         switch (blank) {
 711         case FB_BLANK_POWERDOWN:
 712         case FB_BLANK_HSYNC_SUSPEND:
 713         case FB_BLANK_VSYNC_SUSPEND:
 714         case FB_BLANK_NORMAL:
 715                 retval = ps3av_video_mute(1);   /* mute on */
 716                 if (!retval)
 717                         ps3fb.is_blanked = 1;
 718                 break;
 719
 720         default:                /* unblank */
 721                 retval = ps3av_video_mute(0);   /* mute off */
 722                 if (!retval)
 723                         ps3fb.is_blanked = 0;
 724                 break;
 725         }
 726         return retval;
 727 }
 728
 729 static int ps3fb_get_vblank(struct fb_vblank *vblank)
 730 {
 731         memset(vblank, 0, sizeof(*vblank));
 732         vblank->flags = FB_VBLANK_HAVE_VSYNC;
 733         return 0;
 734 }
 735
 736 static int ps3fb_wait_for_vsync(u32 crtc)
 737 {
 738         int ret;
 739         u64 count;
 740
 741         count = ps3fb.vblank_count;
 742         ret = wait_event_interruptible_timeout(ps3fb.wait_vsync,
 743                                                count != ps3fb.vblank_count,
 744                                                HZ / 10);
 745         if (!ret)
 746                 return -ETIMEDOUT;
 747
 748         return 0;
 749 }
 750
 751 static void ps3fb_flip_ctl(int on, void *data)
 752 {
 753         struct ps3fb_priv *priv = data;
 754         if (on)
 755                 atomic_dec_if_positive(&priv->ext_flip);
 756         else
 757                 atomic_inc(&priv->ext_flip);
 758 }
 759
 760
 761     /*
 762      * ioctl
 763      */
 764
 765 static int ps3fb_ioctl(struct fb_info *info, unsigned int cmd,
 766                        unsigned long arg)
 767 {
 768         void __user *argp = (void __user *)arg;
 769         u32 val;
 770         int retval = -EFAULT;
 771
 772         switch (cmd) {
 773         case FBIOGET_VBLANK:
 774                 {
 775                         struct fb_vblank vblank;
 776                         dev_dbg(info->device, "FBIOGET_VBLANK:\n");
 777                         retval = ps3fb_get_vblank(&vblank);
 778                         if (retval)
 779                                 break;
 780
 781                         if (copy_to_user(argp, &vblank, sizeof(vblank)))
 782                                 retval = -EFAULT;
 783                         break;
 784                 }
 785
 786         case FBIO_WAITFORVSYNC:
 787                 {
 788                         u32 crt;
 789                         dev_dbg(info->device, "FBIO_WAITFORVSYNC:\n");
 790                         if (get_user(crt, (u32 __user *) arg))
 791                                 break;
 792
 793                         retval = ps3fb_wait_for_vsync(crt);
 794                         break;
 795                 }
 796
 797         case PS3FB_IOCTL_SETMODE:
 798                 {
 799                         struct ps3fb_par *par = info->par;
 800                         const struct fb_videomode *mode;
 801                         struct fb_var_screeninfo var;
 802
 803                         if (copy_from_user(&val, argp, sizeof(val)))
 804                                 break;
 805
 806                         if (!(val & PS3AV_MODE_MASK)) {
 807                                 u32 id = ps3av_get_auto_mode();
 808                                 if (id > 0)
 809                                         val = (val & ~PS3AV_MODE_MASK) | id;
 810                         }
 811                         dev_dbg(info->device, "PS3FB_IOCTL_SETMODE:%x\n", val);
 812                         retval = -EINVAL;
 813                         mode = ps3fb_default_mode(val);
 814                         if (mode) {
 815                                 var = info->var;
 816                                 fb_videomode_to_var(&var, mode);
 817                                 acquire_console_sem();
 818                                 info->flags |= FBINFO_MISC_USEREVENT;
 819                                 /* Force, in case only special bits changed */
 820                                 var.activate |= FB_ACTIVATE_FORCE;
 821                                 par->new_mode_id = val;
 822                                 retval = fb_set_var(info, &var);
 823                                 info->flags &= ~FBINFO_MISC_USEREVENT;
 824                                 release_console_sem();
 825                         }
 826                         break;
 827                 }
 828
 829         case PS3FB_IOCTL_GETMODE:
 830                 val = ps3av_get_mode();
 831                 dev_dbg(info->device, "PS3FB_IOCTL_GETMODE:%x\n", val);
 832                 if (!copy_to_user(argp, &val, sizeof(val)))
 833                         retval = 0;
 834                 break;
 835
 836         case PS3FB_IOCTL_SCREENINFO:
 837                 {
 838                         struct ps3fb_par *par = info->par;
 839                         struct ps3fb_ioctl_res res;
 840                         dev_dbg(info->device, "PS3FB_IOCTL_SCREENINFO:\n");
 841                         res.xres = info->fix.line_length / BPP;
 842                         res.yres = info->var.yres_virtual;
 843                         res.xoff = (res.xres - info->var.xres) / 2;
 844                         res.yoff = (res.yres - info->var.yres) / 2;
 845                         res.num_frames = par->num_frames;
 846                         if (!copy_to_user(argp, &res, sizeof(res)))
 847                                 retval = 0;
 848                         break;
 849                 }
 850
 851         case PS3FB_IOCTL_ON:
 852                 dev_dbg(info->device, "PS3FB_IOCTL_ON:\n");
 853                 atomic_inc(&ps3fb.ext_flip);
 854                 retval = 0;
 855                 break;
 856
 857         case PS3FB_IOCTL_OFF:
 858                 dev_dbg(info->device, "PS3FB_IOCTL_OFF:\n");
 859                 atomic_dec_if_positive(&ps3fb.ext_flip);
 860                 retval = 0;
 861                 break;
 862
 863         case PS3FB_IOCTL_FSEL:
 864                 if (copy_from_user(&val, argp, sizeof(val)))
 865                         break;
 866
 867                 dev_dbg(info->device, "PS3FB_IOCTL_FSEL:%d\n", val);
 868                 retval = ps3fb_sync(info, val);
 869                 break;
 870
 871         default:
 872                 retval = -ENOIOCTLCMD;
 873                 break;
 874         }
 875         return retval;
 876 }
 877
 878 static int ps3fbd(void *arg)
 879 {
 880         struct fb_info *info = arg;
 881
 882         set_freezable();
 883         while (!kthread_should_stop()) {
 884                 try_to_freeze();
 885                 set_current_state(TASK_INTERRUPTIBLE);
 886                 if (ps3fb.is_kicked) {
 887                         ps3fb.is_kicked = 0;
 888                         ps3fb_sync(info, 0);    /* single buffer */
 889                 }
 890                 schedule();
 891         }
 892         return 0;
 893 }
 894
 895 static irqreturn_t ps3fb_vsync_interrupt(int irq, void *ptr)
 896 {
 897         struct device *dev = ptr;
 898         u64 v1;
 899         int status;
 900         struct display_head *head = &ps3fb.dinfo->display_head[1];
 901
 902         status = lv1_gpu_context_intr(ps3fb.context_handle, &v1);
 903         if (status) {
 904                 dev_err(dev, "%s: lv1_gpu_context_intr failed: %d\n", __func__,
 905                         status);
 906                 return IRQ_NONE;
 907         }
 908
 909         if (v1 & (1 << GPU_INTR_STATUS_VSYNC_1)) {
 910                 /* VSYNC */
 911                 ps3fb.vblank_count = head->vblank_count;
 912                 if (ps3fb.task && !ps3fb.is_blanked &&
 913                     !atomic_read(&ps3fb.ext_flip)) {
 914                         ps3fb.is_kicked = 1;
 915                         wake_up_process(ps3fb.task);
 916                 }
 917                 wake_up_interruptible(&ps3fb.wait_vsync);
 918         }
 919
 920         return IRQ_HANDLED;
 921 }
 922
 923
 924 static int ps3fb_vsync_settings(struct gpu_driver_info *dinfo,
 925                                 struct device *dev)
 926 {
 927         int error;
 928
 929         dev_dbg(dev, "version_driver:%x\n", dinfo->version_driver);
 930         dev_dbg(dev, "irq outlet:%x\n", dinfo->irq.irq_outlet);
 931         dev_dbg(dev,
 932                 "version_gpu: %x memory_size: %x ch: %x core_freq: %d "
 933                 "mem_freq:%d\n",
 934                 dinfo->version_gpu, dinfo->memory_size, dinfo->hardware_channel,
 935                 dinfo->nvcore_frequency/1000000, dinfo->memory_frequency/1000000);
 936
 937         if (dinfo->version_driver != GPU_DRIVER_INFO_VERSION) {
 938                 dev_err(dev, "%s: version_driver err:%x\n", __func__,
 939                         dinfo->version_driver);
 940                 return -EINVAL;
 941         }
 942
 943         error = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet,
 944                                    &ps3fb.irq_no);
 945         if (error) {
 946                 dev_err(dev, "%s: ps3_alloc_irq failed %d\n", __func__, error);
 947                 return error;
 948         }
 949
 950         error = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt, IRQF_DISABLED,
 951                             DEVICE_NAME, dev);
 952         if (error) {
 953                 dev_err(dev, "%s: request_irq failed %d\n", __func__, error);
 954                 ps3_irq_plug_destroy(ps3fb.irq_no);
 955                 return error;
 956         }
 957
 958         dinfo->irq.mask = (1 << GPU_INTR_STATUS_VSYNC_1) |
 959                           (1 << GPU_INTR_STATUS_FLIP_1);
 960         return 0;
 961 }
 962
 963 static int ps3fb_xdr_settings(u64 xdr_lpar, struct device *dev)
 964 {
 965         int status;
 966
 967         status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF,
 968                                        xdr_lpar, ps3fb_videomemory.size, 0);
 969         if (status) {
 970                 dev_err(dev, "%s: lv1_gpu_context_iomap failed: %d\n",
 971                         __func__, status);
 972                 return -ENXIO;
 973         }
 974         dev_dbg(dev,
 975                 "video:%p xdr_ea:%p ioif:%lx lpar:%lx phys:%lx size:%lx\n",
 976                 ps3fb_videomemory.address, ps3fb.xdr_ea, GPU_IOIF, xdr_lpar,
 977                 virt_to_abs(ps3fb.xdr_ea), ps3fb_videomemory.size);
 978
 979         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 980                                            L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP,
 981                                            xdr_lpar, GPU_CMD_BUF_SIZE,
 982                                            GPU_IOIF, 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         unsigned long max_ps3fb_size;
1064
1065         if (ps3fb_videomemory.size < GPU_CMD_BUF_SIZE) {
1066                 dev_err(&dev->core, "%s: Not enough video memory\n", __func__);
1067                 return -ENOMEM;
1068         }
1069
1070         status = ps3_open_hv_device(dev);
1071         if (status) {
1072                 dev_err(&dev->core, "%s: ps3_open_hv_device failed\n",
1073                         __func__);
1074                 goto err;
1075         }
1076
1077         if (!ps3fb_mode)
1078                 ps3fb_mode = ps3av_get_mode();
1079         dev_dbg(&dev->core, "ps3av_mode:%d\n", ps3fb_mode);
1080
1081         if (ps3fb_mode > 0 &&
1082             !ps3av_video_mode2res(ps3fb_mode, &xres, &yres)) {
1083                 res_index = ps3fb_get_res_table(xres, yres, ps3fb_mode);
1084                 dev_dbg(&dev->core, "res_index:%d\n", res_index);
1085         } else
1086                 res_index = GPU_RES_INDEX;
1087
1088         atomic_set(&ps3fb.f_count, -1); /* fbcon opens ps3fb */
1089         atomic_set(&ps3fb.ext_flip, 0); /* for flip with vsync */
1090         init_waitqueue_head(&ps3fb.wait_vsync);
1091
1092         ps3fb_set_sync(&dev->core);
1093
1094         max_ps3fb_size = _ALIGN_UP(GPU_IOIF, 256*1024*1024) - GPU_IOIF;
1095         if (ps3fb_videomemory.size > max_ps3fb_size) {
1096                 dev_info(&dev->core, "Limiting ps3fb mem size to %lu bytes\n",
1097                          max_ps3fb_size);
1098                 ps3fb_videomemory.size = max_ps3fb_size;
1099         }
1100
1101         /* get gpu context handle */
1102         status = lv1_gpu_memory_allocate(ps3fb_videomemory.size, 0, 0, 0, 0,
1103                                          &ps3fb.memory_handle, &ddr_lpar);
1104         if (status) {
1105                 dev_err(&dev->core, "%s: lv1_gpu_memory_allocate failed: %d\n",
1106                         __func__, status);
1107                 goto err;
1108         }
1109         dev_dbg(&dev->core, "ddr:lpar:0x%lx\n", ddr_lpar);
1110
1111         status = lv1_gpu_context_allocate(ps3fb.memory_handle, 0,
1112                                           &ps3fb.context_handle,
1113                                           &lpar_dma_control, &lpar_driver_info,
1114                                           &lpar_reports, &lpar_reports_size);
1115         if (status) {
1116                 dev_err(&dev->core,
1117                         "%s: lv1_gpu_context_attribute failed: %d\n", __func__,
1118                         status);
1119                 goto err_gpu_memory_free;
1120         }
1121
1122         /* vsync interrupt */
1123         ps3fb.dinfo = ioremap(lpar_driver_info, 128 * 1024);
1124         if (!ps3fb.dinfo) {
1125                 dev_err(&dev->core, "%s: ioremap failed\n", __func__);
1126                 goto err_gpu_context_free;
1127         }
1128
1129         retval = ps3fb_vsync_settings(ps3fb.dinfo, &dev->core);
1130         if (retval)
1131                 goto err_iounmap_dinfo;
1132
1133         /* XDR frame buffer */
1134         ps3fb.xdr_ea = ps3fb_videomemory.address;
1135         xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb.xdr_ea));
1136
1137         /* Clear memory to prevent kernel info leakage into userspace */
1138         memset(ps3fb.xdr_ea, 0, ps3fb_videomemory.size);
1139
1140         /*
1141          * The GPU command buffer is at the start of video memory
1142          * As we don't use the full command buffer, we can put the actual
1143          * frame buffer at offset GPU_FB_START and save some precious XDR
1144          * memory
1145          */
1146         ps3fb.xdr_ea += GPU_FB_START;
1147         ps3fb.xdr_size = ps3fb_videomemory.size - GPU_FB_START;
1148
1149         retval = ps3fb_xdr_settings(xdr_lpar, &dev->core);
1150         if (retval)
1151                 goto err_free_irq;
1152
1153         info = framebuffer_alloc(sizeof(struct ps3fb_par), &dev->core);
1154         if (!info)
1155                 goto err_free_irq;
1156
1157         par = info->par;
1158         par->mode_id = ~ps3fb_mode;     /* != ps3fb_mode, to trigger change */
1159         par->new_mode_id = ps3fb_mode;
1160         par->res_index = res_index;
1161         par->num_frames = 1;
1162
1163         info->screen_base = (char __iomem *)ps3fb.xdr_ea;
1164         info->fbops = &ps3fb_ops;
1165
1166         info->fix = ps3fb_fix;
1167         info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea);
1168         info->fix.smem_len = ps3fb.xdr_size;
1169         info->pseudo_palette = par->pseudo_palette;
1170         info->flags = FBINFO_DEFAULT | FBINFO_READS_FAST |
1171                       FBINFO_HWACCEL_XPAN | FBINFO_HWACCEL_YPAN;
1172
1173         retval = fb_alloc_cmap(&info->cmap, 256, 0);
1174         if (retval < 0)
1175                 goto err_framebuffer_release;
1176
1177         if (!fb_find_mode(&info->var, info, mode_option, ps3fb_modedb,
1178                           ARRAY_SIZE(ps3fb_modedb),
1179                           ps3fb_default_mode(par->new_mode_id), 32)) {
1180                 retval = -EINVAL;
1181                 goto err_fb_dealloc;
1182         }
1183
1184         fb_videomode_to_modelist(ps3fb_modedb, ARRAY_SIZE(ps3fb_modedb),
1185                                  &info->modelist);
1186
1187         retval = register_framebuffer(info);
1188         if (retval < 0)
1189                 goto err_fb_dealloc;
1190
1191         dev->core.driver_data = info;
1192
1193         dev_info(info->device, "%s %s, using %lu KiB of video memory\n",
1194                  dev_driver_string(info->dev), info->dev->bus_id,
1195                  ps3fb.xdr_size >> 10);
1196
1197         task = kthread_run(ps3fbd, info, DEVICE_NAME);
1198         if (IS_ERR(task)) {
1199                 retval = PTR_ERR(task);
1200                 goto err_unregister_framebuffer;
1201         }
1202
1203         ps3fb.task = task;
1204         ps3av_register_flip_ctl(ps3fb_flip_ctl, &ps3fb);
1205
1206         return 0;
1207
1208 err_unregister_framebuffer:
1209         unregister_framebuffer(info);
1210 err_fb_dealloc:
1211         fb_dealloc_cmap(&info->cmap);
1212 err_framebuffer_release:
1213         framebuffer_release(info);
1214 err_free_irq:
1215         free_irq(ps3fb.irq_no, &dev->core);
1216         ps3_irq_plug_destroy(ps3fb.irq_no);
1217 err_iounmap_dinfo:
1218         iounmap((u8 __iomem *)ps3fb.dinfo);
1219 err_gpu_context_free:
1220         lv1_gpu_context_free(ps3fb.context_handle);
1221 err_gpu_memory_free:
1222         lv1_gpu_memory_free(ps3fb.memory_handle);
1223 err:
1224         return retval;
1225 }
1226
1227 static int ps3fb_shutdown(struct ps3_system_bus_device *dev)
1228 {
1229         int status;
1230         struct fb_info *info = dev->core.driver_data;
1231
1232         dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
1233
1234         ps3fb_flip_ctl(0, &ps3fb);      /* flip off */
1235         ps3fb.dinfo->irq.mask = 0;
1236
1237         ps3av_register_flip_ctl(NULL, NULL);
1238         if (ps3fb.task) {
1239                 struct task_struct *task = ps3fb.task;
1240                 ps3fb.task = NULL;
1241                 kthread_stop(task);
1242         }
1243         if (ps3fb.irq_no) {
1244                 free_irq(ps3fb.irq_no, &dev->core);
1245                 ps3_irq_plug_destroy(ps3fb.irq_no);
1246         }
1247         if (info) {
1248                 unregister_framebuffer(info);
1249                 fb_dealloc_cmap(&info->cmap);
1250                 framebuffer_release(info);
1251                 info = dev->core.driver_data = NULL;
1252         }
1253         iounmap((u8 __iomem *)ps3fb.dinfo);
1254
1255         status = lv1_gpu_context_free(ps3fb.context_handle);
1256         if (status)
1257                 dev_dbg(&dev->core, "lv1_gpu_context_free failed: %d\n",
1258                         status);
1259
1260         status = lv1_gpu_memory_free(ps3fb.memory_handle);
1261         if (status)
1262                 dev_dbg(&dev->core, "lv1_gpu_memory_free failed: %d\n",
1263                         status);
1264
1265         ps3_close_hv_device(dev);
1266         dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
1267
1268         return 0;
1269 }
1270
1271 static struct ps3_system_bus_driver ps3fb_driver = {
1272         .match_id       = PS3_MATCH_ID_GRAPHICS,
1273         .core.name      = DEVICE_NAME,
1274         .core.owner     = THIS_MODULE,
1275         .probe          = ps3fb_probe,
1276         .remove         = ps3fb_shutdown,
1277         .shutdown       = ps3fb_shutdown,
1278 };
1279
1280 static int __init ps3fb_setup(void)
1281 {
1282         char *options;
1283
1284 #ifdef MODULE
1285         return 0;
1286 #endif
1287
1288         if (fb_get_options(DEVICE_NAME, &options))
1289                 return -ENXIO;
1290
1291         if (!options || !*options)
1292                 return 0;
1293
1294         while (1) {
1295                 char *this_opt = strsep(&options, ",");
1296
1297                 if (!this_opt)
1298                         break;
1299                 if (!*this_opt)
1300                         continue;
1301                 if (!strncmp(this_opt, "mode:", 5))
1302                         ps3fb_mode = simple_strtoul(this_opt + 5, NULL, 0);
1303                 else
1304                         mode_option = this_opt;
1305         }
1306         return 0;
1307 }
1308
1309 static int __init ps3fb_init(void)
1310 {
1311         if (!ps3fb_videomemory.address ||  ps3fb_setup())
1312                 return -ENXIO;
1313
1314         return ps3_system_bus_driver_register(&ps3fb_driver);
1315 }
1316
1317 static void __exit ps3fb_exit(void)
1318 {
1319         pr_debug(" -> %s:%d\n", __func__, __LINE__);
1320         ps3_system_bus_driver_unregister(&ps3fb_driver);
1321         pr_debug(" <- %s:%d\n", __func__, __LINE__);
1322 }
1323
1324 module_init(ps3fb_init);
1325 module_exit(ps3fb_exit);
1326
1327 MODULE_LICENSE("GPL");
1328 MODULE_DESCRIPTION("PS3 GPU Frame Buffer Driver");
1329 MODULE_AUTHOR("Sony Computer Entertainment Inc.");
1330 MODULE_ALIAS(PS3_MODULE_ALIAS_GRAPHICS);