git.oblomov.eu Git - linux-2.6/blob - 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         struct gpu_driver_info *dinfo;
 120
 121         u64 vblank_count;       /* frame count */
 122         wait_queue_head_t wait_vsync;
 123
 124         atomic_t ext_flip;      /* on/off flip with vsync */
 125         atomic_t f_count;       /* fb_open count */
 126         int is_blanked;
 127         int is_kicked;
 128         struct task_struct *task;
 129 };
 130 static struct ps3fb_priv ps3fb;
 131
 132 struct ps3fb_par {
 133         u32 pseudo_palette[16];
 134         int mode_id, new_mode_id;
 135         unsigned int num_frames;        /* num of frame buffers */
 136         unsigned int width;
 137         unsigned int height;
 138         unsigned int ddr_line_length;
 139         unsigned int ddr_frame_size;
 140         unsigned int xdr_frame_size;
 141         unsigned int full_offset;       /* start of fullscreen DDR fb */
 142         unsigned int fb_offset;         /* start of actual DDR fb */
 143         unsigned int pan_offset;
 144 };
 145
 146
 147 #define FIRST_NATIVE_MODE_INDEX 10
 148
 149 static const struct fb_videomode ps3fb_modedb[] = {
 150     /* 60 Hz broadcast modes (modes "1" to "5") */
 151     {
 152         /* 480i */
 153         "480i", 60, 576, 384, 74074, 130, 89, 78, 57, 63, 6,
 154         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 155     },    {
 156         /* 480p */
 157         "480p", 60, 576, 384, 37037, 130, 89, 78, 57, 63, 6,
 158         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 159     },    {
 160         /* 720p */
 161         "720p", 60, 1124, 644, 13481, 298, 148, 57, 44, 80, 5,
 162         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 163     },    {
 164         /* 1080i */
 165         "1080i", 60, 1688, 964, 13481, 264, 160, 94, 62, 88, 5,
 166         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 167     },    {
 168         /* 1080p */
 169         "1080p", 60, 1688, 964, 6741, 264, 160, 94, 62, 88, 5,
 170         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 171     },
 172
 173     /* 50 Hz broadcast modes (modes "6" to "10") */
 174     {
 175         /* 576i */
 176         "576i", 50, 576, 460, 74074, 142, 83, 97, 63, 63, 5,
 177         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 178     },    {
 179         /* 576p */
 180         "576p", 50, 576, 460, 37037, 142, 83, 97, 63, 63, 5,
 181         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 182     },    {
 183         /* 720p */
 184         "720p", 50, 1124, 644, 13468, 298, 478, 57, 44, 80, 5,
 185         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 186     },    {
 187         /* 1080i */
 188         "1080i", 50, 1688, 964, 13468, 264, 600, 94, 62, 88, 5,
 189         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 190     },    {
 191         /* 1080p */
 192         "1080p", 50, 1688, 964, 6734, 264, 600, 94, 62, 88, 5,
 193         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 194     },
 195
 196     [FIRST_NATIVE_MODE_INDEX] =
 197     /* 60 Hz broadcast modes (full resolution versions of modes "1" to "5") */
 198     {
 199         /* 480if */
 200         "480if", 60, 720, 480, 74074, 58, 17, 30, 9, 63, 6,
 201         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 202     }, {
 203         /* 480pf */
 204         "480pf", 60, 720, 480, 37037, 58, 17, 30, 9, 63, 6,
 205         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 206     }, {
 207         /* 720pf */
 208         "720pf", 60, 1280, 720, 13481, 220, 70, 19, 6, 80, 5,
 209         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 210     }, {
 211         /* 1080if */
 212         "1080if", 60, 1920, 1080, 13481, 148, 44, 36, 4, 88, 5,
 213         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 214     }, {
 215         /* 1080pf */
 216         "1080pf", 60, 1920, 1080, 6741, 148, 44, 36, 4, 88, 5,
 217         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 218     },
 219
 220     /* 50 Hz broadcast modes (full resolution versions of modes "6" to "10") */
 221     {
 222         /* 576if */
 223         "576if", 50, 720, 576, 74074, 70, 11, 39, 5, 63, 5,
 224         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 225     }, {
 226         /* 576pf */
 227         "576pf", 50, 720, 576, 37037, 70, 11, 39, 5, 63, 5,
 228         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 229     }, {
 230         /* 720pf */
 231         "720pf", 50, 1280, 720, 13468, 220, 400, 19, 6, 80, 5,
 232         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 233     }, {
 234         /* 1080if */
 235         "1080if", 50, 1920, 1080, 13468, 148, 484, 36, 4, 88, 5,
 236         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 237     }, {
 238         /* 1080pf */
 239         "1080pf", 50, 1920, 1080, 6734, 148, 484, 36, 4, 88, 5,
 240         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 241     },
 242
 243     /* VESA modes (modes "11" to "13") */
 244     {
 245         /* WXGA */
 246         "wxga", 60, 1280, 768, 12924, 160, 24, 29, 3, 136, 6,
 247         0, FB_VMODE_NONINTERLACED,
 248         FB_MODE_IS_VESA
 249     }, {
 250         /* SXGA */
 251         "sxga", 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3,
 252         FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED,
 253         FB_MODE_IS_VESA
 254     }, {
 255         /* WUXGA */
 256         "wuxga", 60, 1920, 1200, 6494, 80, 48, 26, 3, 32, 6,
 257         FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED,
 258         FB_MODE_IS_VESA
 259     }
 260 };
 261
 262
 263 #define HEAD_A
 264 #define HEAD_B
 265
 266 #define BPP             4                       /* number of bytes per pixel */
 267
 268
 269 static int ps3fb_mode;
 270 module_param(ps3fb_mode, int, 0);
 271
 272 static char *mode_option __devinitdata;
 273
 274 static int ps3fb_cmp_mode(const struct fb_videomode *vmode,
 275                           const struct fb_var_screeninfo *var)
 276 {
 277         long xres, yres, left_margin, right_margin, upper_margin, lower_margin;
 278         long dx, dy;
 279
 280         /* maximum values */
 281         if (var->xres > vmode->xres || var->yres > vmode->yres ||
 282             var->pixclock > vmode->pixclock ||
 283             var->hsync_len > vmode->hsync_len ||
 284             var->vsync_len > vmode->vsync_len)
 285                 return -1;
 286
 287         /* progressive/interlaced must match */
 288         if ((var->vmode & FB_VMODE_MASK) != vmode->vmode)
 289                 return -1;
 290
 291         /* minimum resolution */
 292         xres = max(var->xres, 1U);
 293         yres = max(var->yres, 1U);
 294
 295         /* minimum margins */
 296         left_margin = max(var->left_margin, vmode->left_margin);
 297         right_margin = max(var->right_margin, vmode->right_margin);
 298         upper_margin = max(var->upper_margin, vmode->upper_margin);
 299         lower_margin = max(var->lower_margin, vmode->lower_margin);
 300
 301         /* resolution + margins may not exceed native parameters */
 302         dx = ((long)vmode->left_margin + (long)vmode->xres +
 303               (long)vmode->right_margin) -
 304              (left_margin + xres + right_margin);
 305         if (dx < 0)
 306                 return -1;
 307
 308         dy = ((long)vmode->upper_margin + (long)vmode->yres +
 309               (long)vmode->lower_margin) -
 310              (upper_margin + yres + lower_margin);
 311         if (dy < 0)
 312                 return -1;
 313
 314         /* exact match */
 315         if (!dx && !dy)
 316                 return 0;
 317
 318         /* resolution difference */
 319         return (vmode->xres - xres) * (vmode->yres - yres);
 320 }
 321
 322 static const struct fb_videomode *ps3fb_native_vmode(enum ps3av_mode_num id)
 323 {
 324         return &ps3fb_modedb[FIRST_NATIVE_MODE_INDEX + id - 1];
 325 }
 326
 327 static const struct fb_videomode *ps3fb_vmode(int id)
 328 {
 329         u32 mode = id & PS3AV_MODE_MASK;
 330
 331         if (mode < PS3AV_MODE_480I || mode > PS3AV_MODE_WUXGA)
 332                 return NULL;
 333
 334         if (mode <= PS3AV_MODE_1080P50 && !(id & PS3AV_MODE_FULL)) {
 335                 /* Non-fullscreen broadcast mode */
 336                 return &ps3fb_modedb[mode - 1];
 337         }
 338
 339         return ps3fb_native_vmode(mode);
 340 }
 341
 342 static unsigned int ps3fb_find_mode(struct fb_var_screeninfo *var,
 343                                     u32 *ddr_line_length, u32 *xdr_line_length)
 344 {
 345         unsigned int id, best_id;
 346         int diff, best_diff;
 347         const struct fb_videomode *vmode;
 348         long gap;
 349
 350         best_id = 0;
 351         best_diff = INT_MAX;
 352         pr_debug("%s: wanted %u [%u] %u x %u [%u] %u\n", __func__,
 353                  var->left_margin, var->xres, var->right_margin,
 354                  var->upper_margin, var->yres, var->lower_margin);
 355         for (id = PS3AV_MODE_480I; id <= PS3AV_MODE_WUXGA; id++) {
 356                 vmode = ps3fb_native_vmode(id);
 357                 diff = ps3fb_cmp_mode(vmode, var);
 358                 pr_debug("%s: mode %u: %u [%u] %u x %u [%u] %u: diff = %d\n",
 359                          __func__, id, vmode->left_margin, vmode->xres,
 360                          vmode->right_margin, vmode->upper_margin,
 361                          vmode->yres, vmode->lower_margin, diff);
 362                 if (diff < 0)
 363                         continue;
 364                 if (diff < best_diff) {
 365                         best_id = id;
 366                         if (!diff)
 367                                 break;
 368                         best_diff = diff;
 369                 }
 370         }
 371
 372         if (!best_id) {
 373                 pr_debug("%s: no suitable mode found\n", __func__);
 374                 return 0;
 375         }
 376
 377         id = best_id;
 378         vmode = ps3fb_native_vmode(id);
 379
 380         *ddr_line_length = vmode->xres * BPP;
 381
 382         /* minimum resolution */
 383         if (!var->xres)
 384                 var->xres = 1;
 385         if (!var->yres)
 386                 var->yres = 1;
 387
 388         /* minimum virtual resolution */
 389         if (var->xres_virtual < var->xres)
 390                 var->xres_virtual = var->xres;
 391         if (var->yres_virtual < var->yres)
 392                 var->yres_virtual = var->yres;
 393
 394         /* minimum margins */
 395         if (var->left_margin < vmode->left_margin)
 396                 var->left_margin = vmode->left_margin;
 397         if (var->right_margin < vmode->right_margin)
 398                 var->right_margin = vmode->right_margin;
 399         if (var->upper_margin < vmode->upper_margin)
 400                 var->upper_margin = vmode->upper_margin;
 401         if (var->lower_margin < vmode->lower_margin)
 402                 var->lower_margin = vmode->lower_margin;
 403
 404         /* extra margins */
 405         gap = ((long)vmode->left_margin + (long)vmode->xres +
 406                (long)vmode->right_margin) -
 407               ((long)var->left_margin + (long)var->xres +
 408                (long)var->right_margin);
 409         if (gap > 0) {
 410                 var->left_margin += gap/2;
 411                 var->right_margin += (gap+1)/2;
 412                 pr_debug("%s: rounded up H to %u [%u] %u\n", __func__,
 413                          var->left_margin, var->xres, var->right_margin);
 414         }
 415
 416         gap = ((long)vmode->upper_margin + (long)vmode->yres +
 417                (long)vmode->lower_margin) -
 418               ((long)var->upper_margin + (long)var->yres +
 419                (long)var->lower_margin);
 420         if (gap > 0) {
 421                 var->upper_margin += gap/2;
 422                 var->lower_margin += (gap+1)/2;
 423                 pr_debug("%s: rounded up V to %u [%u] %u\n", __func__,
 424                          var->upper_margin, var->yres, var->lower_margin);
 425         }
 426
 427         /* fixed fields */
 428         var->pixclock = vmode->pixclock;
 429         var->hsync_len = vmode->hsync_len;
 430         var->vsync_len = vmode->vsync_len;
 431         var->sync = vmode->sync;
 432
 433         if (ps3_compare_firmware_version(1, 9, 0) >= 0) {
 434                 *xdr_line_length = GPU_ALIGN_UP(var->xres_virtual * BPP);
 435                 if (*xdr_line_length > GPU_MAX_LINE_LENGTH)
 436                         *xdr_line_length = GPU_MAX_LINE_LENGTH;
 437         } else
 438                 *xdr_line_length = *ddr_line_length;
 439
 440         if (vmode->sync & FB_SYNC_BROADCAST) {
 441                 /* Full broadcast modes have the full mode bit set */
 442                 if (vmode->xres == var->xres && vmode->yres == var->yres)
 443                         id |= PS3AV_MODE_FULL;
 444         }
 445
 446         pr_debug("%s: mode %u\n", __func__, id);
 447         return id;
 448 }
 449
 450 static void ps3fb_sync_image(struct device *dev, u64 frame_offset,
 451                              u64 dst_offset, u64 src_offset, u32 width,
 452                              u32 height, u32 dst_line_length,
 453                              u32 src_line_length)
 454 {
 455         int status;
 456         u64 line_length;
 457
 458         line_length = dst_line_length;
 459         if (src_line_length != dst_line_length)
 460                 line_length |= (u64)src_line_length << 32;
 461
 462         src_offset += GPU_FB_START;
 463         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 464                                            L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT,
 465                                            dst_offset, GPU_IOIF + src_offset,
 466                                            L1GPU_FB_BLIT_WAIT_FOR_COMPLETION |
 467                                            (width << 16) | height,
 468                                            line_length);
 469         if (status)
 470                 dev_err(dev,
 471                         "%s: lv1_gpu_context_attribute FB_BLIT failed: %d\n",
 472                         __func__, status);
 473 #ifdef HEAD_A
 474         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 475                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
 476                                            0, frame_offset, 0, 0);
 477         if (status)
 478                 dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
 479                         __func__, status);
 480 #endif
 481 #ifdef HEAD_B
 482         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 483                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
 484                                            1, frame_offset, 0, 0);
 485         if (status)
 486                 dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
 487                         __func__, status);
 488 #endif
 489 }
 490
 491 static int ps3fb_sync(struct fb_info *info, u32 frame)
 492 {
 493         struct ps3fb_par *par = info->par;
 494         int error = 0;
 495         u64 ddr_base, xdr_base;
 496
 497         if (frame > par->num_frames - 1) {
 498                 dev_dbg(info->device, "%s: invalid frame number (%u)\n",
 499                         __func__, frame);
 500                 error = -EINVAL;
 501                 goto out;
 502         }
 503
 504         xdr_base = frame * par->xdr_frame_size;
 505         ddr_base = frame * par->ddr_frame_size;
 506
 507         ps3fb_sync_image(info->device, ddr_base + par->full_offset,
 508                          ddr_base + par->fb_offset, xdr_base + par->pan_offset,
 509                          par->width, par->height, par->ddr_line_length,
 510                          info->fix.line_length);
 511
 512 out:
 513         return error;
 514 }
 515
 516 static int ps3fb_open(struct fb_info *info, int user)
 517 {
 518         atomic_inc(&ps3fb.f_count);
 519         return 0;
 520 }
 521
 522 static int ps3fb_release(struct fb_info *info, int user)
 523 {
 524         if (atomic_dec_and_test(&ps3fb.f_count)) {
 525                 if (atomic_read(&ps3fb.ext_flip)) {
 526                         atomic_set(&ps3fb.ext_flip, 0);
 527                         if (!try_acquire_console_sem()) {
 528                                 ps3fb_sync(info, 0);    /* single buffer */
 529                                 release_console_sem();
 530                         }
 531                 }
 532         }
 533         return 0;
 534 }
 535
 536     /*
 537      *  Setting the video mode has been split into two parts.
 538      *  First part, xxxfb_check_var, must not write anything
 539      *  to hardware, it should only verify and adjust var.
 540      *  This means it doesn't alter par but it does use hardware
 541      *  data from it to check this var.
 542      */
 543
 544 static int ps3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 545 {
 546         u32 xdr_line_length, ddr_line_length;
 547         int mode;
 548
 549         mode = ps3fb_find_mode(var, &ddr_line_length, &xdr_line_length);
 550         if (!mode)
 551                 return -EINVAL;
 552
 553         /* Virtual screen */
 554         if (var->xres_virtual > xdr_line_length / BPP) {
 555                 dev_dbg(info->device,
 556                         "Horizontal virtual screen size too large\n");
 557                 return -EINVAL;
 558         }
 559
 560         if (var->xoffset + var->xres > var->xres_virtual ||
 561             var->yoffset + var->yres > var->yres_virtual) {
 562                 dev_dbg(info->device, "panning out-of-range\n");
 563                 return -EINVAL;
 564         }
 565
 566         /* We support ARGB8888 only */
 567         if (var->bits_per_pixel > 32 || var->grayscale ||
 568             var->red.offset > 16 || var->green.offset > 8 ||
 569             var->blue.offset > 0 || var->transp.offset > 24 ||
 570             var->red.length > 8 || var->green.length > 8 ||
 571             var->blue.length > 8 || var->transp.length > 8 ||
 572             var->red.msb_right || var->green.msb_right ||
 573             var->blue.msb_right || var->transp.msb_right || var->nonstd) {
 574                 dev_dbg(info->device, "We support ARGB8888 only\n");
 575                 return -EINVAL;
 576         }
 577
 578         var->bits_per_pixel = 32;
 579         var->red.offset = 16;
 580         var->green.offset = 8;
 581         var->blue.offset = 0;
 582         var->transp.offset = 24;
 583         var->red.length = 8;
 584         var->green.length = 8;
 585         var->blue.length = 8;
 586         var->transp.length = 8;
 587         var->red.msb_right = 0;
 588         var->green.msb_right = 0;
 589         var->blue.msb_right = 0;
 590         var->transp.msb_right = 0;
 591
 592         /* Rotation is not supported */
 593         if (var->rotate) {
 594                 dev_dbg(info->device, "Rotation is not supported\n");
 595                 return -EINVAL;
 596         }
 597
 598         /* Memory limit */
 599         if (var->yres_virtual * xdr_line_length > info->fix.smem_len) {
 600                 dev_dbg(info->device, "Not enough memory\n");
 601                 return -ENOMEM;
 602         }
 603
 604         var->height = -1;
 605         var->width = -1;
 606
 607         return 0;
 608 }
 609
 610     /*
 611      * This routine actually sets the video mode.
 612      */
 613
 614 static int ps3fb_set_par(struct fb_info *info)
 615 {
 616         struct ps3fb_par *par = info->par;
 617         unsigned int mode, ddr_line_length, xdr_line_length, lines, maxlines;
 618         unsigned int ddr_xoff, ddr_yoff, offset;
 619         const struct fb_videomode *vmode;
 620         u64 dst;
 621
 622         mode = ps3fb_find_mode(&info->var, &ddr_line_length, &xdr_line_length);
 623         if (!mode)
 624                 return -EINVAL;
 625
 626         vmode = ps3fb_native_vmode(mode & PS3AV_MODE_MASK);
 627
 628         info->fix.xpanstep = info->var.xres_virtual > info->var.xres ? 1 : 0;
 629         info->fix.ypanstep = info->var.yres_virtual > info->var.yres ? 1 : 0;
 630         info->fix.line_length = xdr_line_length;
 631
 632         par->ddr_line_length = ddr_line_length;
 633         par->ddr_frame_size = vmode->yres * ddr_line_length;
 634         par->xdr_frame_size = info->var.yres_virtual * xdr_line_length;
 635
 636         par->num_frames = info->fix.smem_len /
 637                           max(par->ddr_frame_size, par->xdr_frame_size);
 638
 639         /* Keep the special bits we cannot set using fb_var_screeninfo */
 640         par->new_mode_id = (par->new_mode_id & ~PS3AV_MODE_MASK) | mode;
 641
 642         par->width = info->var.xres;
 643         par->height = info->var.yres;
 644
 645         /* Start of the virtual frame buffer (relative to fullscreen) */
 646         ddr_xoff = info->var.left_margin - vmode->left_margin;
 647         ddr_yoff = info->var.upper_margin - vmode->upper_margin;
 648         offset = ddr_yoff * ddr_line_length + ddr_xoff * BPP;
 649
 650         par->fb_offset = GPU_ALIGN_UP(offset);
 651         par->full_offset = par->fb_offset - offset;
 652         par->pan_offset = info->var.yoffset * xdr_line_length +
 653                           info->var.xoffset * BPP;
 654
 655         if (par->new_mode_id != par->mode_id) {
 656                 if (ps3av_set_video_mode(par->new_mode_id)) {
 657                         par->new_mode_id = par->mode_id;
 658                         return -EINVAL;
 659                 }
 660                 par->mode_id = par->new_mode_id;
 661         }
 662
 663         /* Clear XDR frame buffer memory */
 664         memset((void __force *)info->screen_base, 0, info->fix.smem_len);
 665
 666         /* Clear DDR frame buffer memory */
 667         lines = vmode->yres * par->num_frames;
 668         if (par->full_offset)
 669                 lines++;
 670         maxlines = info->fix.smem_len / ddr_line_length;
 671         for (dst = 0; lines; dst += maxlines * ddr_line_length) {
 672                 unsigned int l = min(lines, maxlines);
 673                 ps3fb_sync_image(info->device, 0, dst, 0, vmode->xres, l,
 674                                  ddr_line_length, ddr_line_length);
 675                 lines -= l;
 676         }
 677
 678         return 0;
 679 }
 680
 681     /*
 682      *  Set a single color register. The values supplied are already
 683      *  rounded down to the hardware's capabilities (according to the
 684      *  entries in the var structure). Return != 0 for invalid regno.
 685      */
 686
 687 static int ps3fb_setcolreg(unsigned int regno, unsigned int red,
 688                            unsigned int green, unsigned int blue,
 689                            unsigned int transp, struct fb_info *info)
 690 {
 691         if (regno >= 16)
 692                 return 1;
 693
 694         red >>= 8;
 695         green >>= 8;
 696         blue >>= 8;
 697         transp >>= 8;
 698
 699         ((u32 *)info->pseudo_palette)[regno] = transp << 24 | red << 16 |
 700                                                green << 8 | blue;
 701         return 0;
 702 }
 703
 704 static int ps3fb_pan_display(struct fb_var_screeninfo *var,
 705                              struct fb_info *info)
 706 {
 707         struct ps3fb_par *par = info->par;
 708
 709         par->pan_offset = var->yoffset * info->fix.line_length +
 710                           var->xoffset * BPP;
 711         return 0;
 712 }
 713
 714     /*
 715      *  As we have a virtual frame buffer, we need our own mmap function
 716      */
 717
 718 static int ps3fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
 719 {
 720         unsigned long size, offset;
 721
 722         size = vma->vm_end - vma->vm_start;
 723         offset = vma->vm_pgoff << PAGE_SHIFT;
 724         if (offset + size > info->fix.smem_len)
 725                 return -EINVAL;
 726
 727         offset += info->fix.smem_start;
 728         if (remap_pfn_range(vma, vma->vm_start, offset >> PAGE_SHIFT,
 729                             size, vma->vm_page_prot))
 730                 return -EAGAIN;
 731
 732         dev_dbg(info->device, "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n",
 733                 offset, vma->vm_start);
 734         return 0;
 735 }
 736
 737     /*
 738      * Blank the display
 739      */
 740
 741 static int ps3fb_blank(int blank, struct fb_info *info)
 742 {
 743         int retval;
 744
 745         dev_dbg(info->device, "%s: blank:%d\n", __func__, blank);
 746         switch (blank) {
 747         case FB_BLANK_POWERDOWN:
 748         case FB_BLANK_HSYNC_SUSPEND:
 749         case FB_BLANK_VSYNC_SUSPEND:
 750         case FB_BLANK_NORMAL:
 751                 retval = ps3av_video_mute(1);   /* mute on */
 752                 if (!retval)
 753                         ps3fb.is_blanked = 1;
 754                 break;
 755
 756         default:                /* unblank */
 757                 retval = ps3av_video_mute(0);   /* mute off */
 758                 if (!retval)
 759                         ps3fb.is_blanked = 0;
 760                 break;
 761         }
 762         return retval;
 763 }
 764
 765 static int ps3fb_get_vblank(struct fb_vblank *vblank)
 766 {
 767         memset(vblank, 0, sizeof(*vblank));
 768         vblank->flags = FB_VBLANK_HAVE_VSYNC;
 769         return 0;
 770 }
 771
 772 static int ps3fb_wait_for_vsync(u32 crtc)
 773 {
 774         int ret;
 775         u64 count;
 776
 777         count = ps3fb.vblank_count;
 778         ret = wait_event_interruptible_timeout(ps3fb.wait_vsync,
 779                                                count != ps3fb.vblank_count,
 780                                                HZ / 10);
 781         if (!ret)
 782                 return -ETIMEDOUT;
 783
 784         return 0;
 785 }
 786
 787 static void ps3fb_flip_ctl(int on, void *data)
 788 {
 789         struct ps3fb_priv *priv = data;
 790         if (on)
 791                 atomic_dec_if_positive(&priv->ext_flip);
 792         else
 793                 atomic_inc(&priv->ext_flip);
 794 }
 795
 796
 797     /*
 798      * ioctl
 799      */
 800
 801 static int ps3fb_ioctl(struct fb_info *info, unsigned int cmd,
 802                        unsigned long arg)
 803 {
 804         void __user *argp = (void __user *)arg;
 805         u32 val;
 806         int retval = -EFAULT;
 807
 808         switch (cmd) {
 809         case FBIOGET_VBLANK:
 810                 {
 811                         struct fb_vblank vblank;
 812                         dev_dbg(info->device, "FBIOGET_VBLANK:\n");
 813                         retval = ps3fb_get_vblank(&vblank);
 814                         if (retval)
 815                                 break;
 816
 817                         if (copy_to_user(argp, &vblank, sizeof(vblank)))
 818                                 retval = -EFAULT;
 819                         break;
 820                 }
 821
 822         case FBIO_WAITFORVSYNC:
 823                 {
 824                         u32 crt;
 825                         dev_dbg(info->device, "FBIO_WAITFORVSYNC:\n");
 826                         if (get_user(crt, (u32 __user *) arg))
 827                                 break;
 828
 829                         retval = ps3fb_wait_for_vsync(crt);
 830                         break;
 831                 }
 832
 833         case PS3FB_IOCTL_SETMODE:
 834                 {
 835                         struct ps3fb_par *par = info->par;
 836                         const struct fb_videomode *vmode;
 837                         struct fb_var_screeninfo var;
 838
 839                         if (copy_from_user(&val, argp, sizeof(val)))
 840                                 break;
 841
 842                         if (!(val & PS3AV_MODE_MASK)) {
 843                                 u32 id = ps3av_get_auto_mode();
 844                                 if (id > 0)
 845                                         val = (val & ~PS3AV_MODE_MASK) | id;
 846                         }
 847                         dev_dbg(info->device, "PS3FB_IOCTL_SETMODE:%x\n", val);
 848                         retval = -EINVAL;
 849                         vmode = ps3fb_vmode(val);
 850                         if (vmode) {
 851                                 var = info->var;
 852                                 fb_videomode_to_var(&var, vmode);
 853                                 acquire_console_sem();
 854                                 info->flags |= FBINFO_MISC_USEREVENT;
 855                                 /* Force, in case only special bits changed */
 856                                 var.activate |= FB_ACTIVATE_FORCE;
 857                                 par->new_mode_id = val;
 858                                 retval = fb_set_var(info, &var);
 859                                 info->flags &= ~FBINFO_MISC_USEREVENT;
 860                                 release_console_sem();
 861                         }
 862                         break;
 863                 }
 864
 865         case PS3FB_IOCTL_GETMODE:
 866                 val = ps3av_get_mode();
 867                 dev_dbg(info->device, "PS3FB_IOCTL_GETMODE:%x\n", val);
 868                 if (!copy_to_user(argp, &val, sizeof(val)))
 869                         retval = 0;
 870                 break;
 871
 872         case PS3FB_IOCTL_SCREENINFO:
 873                 {
 874                         struct ps3fb_par *par = info->par;
 875                         struct ps3fb_ioctl_res res;
 876                         dev_dbg(info->device, "PS3FB_IOCTL_SCREENINFO:\n");
 877                         res.xres = info->fix.line_length / BPP;
 878                         res.yres = info->var.yres_virtual;
 879                         res.xoff = (res.xres - info->var.xres) / 2;
 880                         res.yoff = (res.yres - info->var.yres) / 2;
 881                         res.num_frames = par->num_frames;
 882                         if (!copy_to_user(argp, &res, sizeof(res)))
 883                                 retval = 0;
 884                         break;
 885                 }
 886
 887         case PS3FB_IOCTL_ON:
 888                 dev_dbg(info->device, "PS3FB_IOCTL_ON:\n");
 889                 atomic_inc(&ps3fb.ext_flip);
 890                 retval = 0;
 891                 break;
 892
 893         case PS3FB_IOCTL_OFF:
 894                 dev_dbg(info->device, "PS3FB_IOCTL_OFF:\n");
 895                 atomic_dec_if_positive(&ps3fb.ext_flip);
 896                 retval = 0;
 897                 break;
 898
 899         case PS3FB_IOCTL_FSEL:
 900                 if (copy_from_user(&val, argp, sizeof(val)))
 901                         break;
 902
 903                 dev_dbg(info->device, "PS3FB_IOCTL_FSEL:%d\n", val);
 904                 acquire_console_sem();
 905                 retval = ps3fb_sync(info, val);
 906                 release_console_sem();
 907                 break;
 908
 909         default:
 910                 retval = -ENOIOCTLCMD;
 911                 break;
 912         }
 913         return retval;
 914 }
 915
 916 static int ps3fbd(void *arg)
 917 {
 918         struct fb_info *info = arg;
 919
 920         set_freezable();
 921         while (!kthread_should_stop()) {
 922                 try_to_freeze();
 923                 set_current_state(TASK_INTERRUPTIBLE);
 924                 if (ps3fb.is_kicked) {
 925                         ps3fb.is_kicked = 0;
 926                         acquire_console_sem();
 927                         ps3fb_sync(info, 0);    /* single buffer */
 928                         release_console_sem();
 929                 }
 930                 schedule();
 931         }
 932         return 0;
 933 }
 934
 935 static irqreturn_t ps3fb_vsync_interrupt(int irq, void *ptr)
 936 {
 937         struct device *dev = ptr;
 938         u64 v1;
 939         int status;
 940         struct display_head *head = &ps3fb.dinfo->display_head[1];
 941
 942         status = lv1_gpu_context_intr(ps3fb.context_handle, &v1);
 943         if (status) {
 944                 dev_err(dev, "%s: lv1_gpu_context_intr failed: %d\n", __func__,
 945                         status);
 946                 return IRQ_NONE;
 947         }
 948
 949         if (v1 & (1 << GPU_INTR_STATUS_VSYNC_1)) {
 950                 /* VSYNC */
 951                 ps3fb.vblank_count = head->vblank_count;
 952                 if (ps3fb.task && !ps3fb.is_blanked &&
 953                     !atomic_read(&ps3fb.ext_flip)) {
 954                         ps3fb.is_kicked = 1;
 955                         wake_up_process(ps3fb.task);
 956                 }
 957                 wake_up_interruptible(&ps3fb.wait_vsync);
 958         }
 959
 960         return IRQ_HANDLED;
 961 }
 962
 963
 964 static int ps3fb_vsync_settings(struct gpu_driver_info *dinfo,
 965                                 struct device *dev)
 966 {
 967         int error;
 968
 969         dev_dbg(dev, "version_driver:%x\n", dinfo->version_driver);
 970         dev_dbg(dev, "irq outlet:%x\n", dinfo->irq.irq_outlet);
 971         dev_dbg(dev,
 972                 "version_gpu: %x memory_size: %x ch: %x core_freq: %d "
 973                 "mem_freq:%d\n",
 974                 dinfo->version_gpu, dinfo->memory_size, dinfo->hardware_channel,
 975                 dinfo->nvcore_frequency/1000000, dinfo->memory_frequency/1000000);
 976
 977         if (dinfo->version_driver != GPU_DRIVER_INFO_VERSION) {
 978                 dev_err(dev, "%s: version_driver err:%x\n", __func__,
 979                         dinfo->version_driver);
 980                 return -EINVAL;
 981         }
 982
 983         error = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet,
 984                                    &ps3fb.irq_no);
 985         if (error) {
 986                 dev_err(dev, "%s: ps3_alloc_irq failed %d\n", __func__, error);
 987                 return error;
 988         }
 989
 990         error = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt, IRQF_DISABLED,
 991                             DEVICE_NAME, dev);
 992         if (error) {
 993                 dev_err(dev, "%s: request_irq failed %d\n", __func__, error);
 994                 ps3_irq_plug_destroy(ps3fb.irq_no);
 995                 return error;
 996         }
 997
 998         dinfo->irq.mask = (1 << GPU_INTR_STATUS_VSYNC_1) |
 999                           (1 << GPU_INTR_STATUS_FLIP_1);
1000         return 0;
1001 }
1002
1003 static int ps3fb_xdr_settings(u64 xdr_lpar, struct device *dev)
1004 {
1005         int status;
1006
1007         status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF,
1008                                        xdr_lpar, ps3fb_videomemory.size, 0);
1009         if (status) {
1010                 dev_err(dev, "%s: lv1_gpu_context_iomap failed: %d\n",
1011                         __func__, status);
1012                 return -ENXIO;
1013         }
1014         dev_dbg(dev, "video:%p ioif:%lx lpar:%lx size:%lx\n",
1015                 ps3fb_videomemory.address, GPU_IOIF, xdr_lpar,
1016                 ps3fb_videomemory.size);
1017
1018         status = lv1_gpu_context_attribute(ps3fb.context_handle,
1019                                            L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP,
1020                                            xdr_lpar, GPU_CMD_BUF_SIZE,
1021                                            GPU_IOIF, 0);
1022         if (status) {
1023                 dev_err(dev,
1024                         "%s: lv1_gpu_context_attribute FB_SETUP failed: %d\n",
1025                         __func__, status);
1026                 return -ENXIO;
1027         }
1028         return 0;
1029 }
1030
1031 static struct fb_ops ps3fb_ops = {
1032         .fb_open        = ps3fb_open,
1033         .fb_release     = ps3fb_release,
1034         .fb_read        = fb_sys_read,
1035         .fb_write       = fb_sys_write,
1036         .fb_check_var   = ps3fb_check_var,
1037         .fb_set_par     = ps3fb_set_par,
1038         .fb_setcolreg   = ps3fb_setcolreg,
1039         .fb_pan_display = ps3fb_pan_display,
1040         .fb_fillrect    = sys_fillrect,
1041         .fb_copyarea    = sys_copyarea,
1042         .fb_imageblit   = sys_imageblit,
1043         .fb_mmap        = ps3fb_mmap,
1044         .fb_blank       = ps3fb_blank,
1045         .fb_ioctl       = ps3fb_ioctl,
1046         .fb_compat_ioctl = ps3fb_ioctl
1047 };
1048
1049 static struct fb_fix_screeninfo ps3fb_fix __initdata = {
1050         .id =           DEVICE_NAME,
1051         .type =         FB_TYPE_PACKED_PIXELS,
1052         .visual =       FB_VISUAL_TRUECOLOR,
1053         .accel =        FB_ACCEL_NONE,
1054 };
1055
1056 static int ps3fb_set_sync(struct device *dev)
1057 {
1058         int status;
1059
1060 #ifdef HEAD_A
1061         status = lv1_gpu_context_attribute(0x0,
1062                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
1063                                            0, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
1064         if (status) {
1065                 dev_err(dev,
1066                         "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
1067                         "%d\n",
1068                         __func__, status);
1069                 return -1;
1070         }
1071 #endif
1072 #ifdef HEAD_B
1073         status = lv1_gpu_context_attribute(0x0,
1074                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
1075                                            1, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
1076
1077         if (status) {
1078                 dev_err(dev,
1079                         "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
1080                         "%d\n",
1081                         __func__, status);
1082                 return -1;
1083         }
1084 #endif
1085         return 0;
1086 }
1087
1088 static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev)
1089 {
1090         struct fb_info *info;
1091         struct ps3fb_par *par;
1092         int retval = -ENOMEM;
1093         u64 ddr_lpar = 0;
1094         u64 lpar_dma_control = 0;
1095         u64 lpar_driver_info = 0;
1096         u64 lpar_reports = 0;
1097         u64 lpar_reports_size = 0;
1098         u64 xdr_lpar;
1099         void *fb_start;
1100         int status;
1101         struct task_struct *task;
1102         unsigned long max_ps3fb_size;
1103
1104         if (ps3fb_videomemory.size < GPU_CMD_BUF_SIZE) {
1105                 dev_err(&dev->core, "%s: Not enough video memory\n", __func__);
1106                 return -ENOMEM;
1107         }
1108
1109         status = ps3_open_hv_device(dev);
1110         if (status) {
1111                 dev_err(&dev->core, "%s: ps3_open_hv_device failed\n",
1112                         __func__);
1113                 goto err;
1114         }
1115
1116         if (!ps3fb_mode)
1117                 ps3fb_mode = ps3av_get_mode();
1118         dev_dbg(&dev->core, "ps3fb_mode: %d\n", ps3fb_mode);
1119
1120         atomic_set(&ps3fb.f_count, -1); /* fbcon opens ps3fb */
1121         atomic_set(&ps3fb.ext_flip, 0); /* for flip with vsync */
1122         init_waitqueue_head(&ps3fb.wait_vsync);
1123
1124         ps3fb_set_sync(&dev->core);
1125
1126         max_ps3fb_size = _ALIGN_UP(GPU_IOIF, 256*1024*1024) - GPU_IOIF;
1127         if (ps3fb_videomemory.size > max_ps3fb_size) {
1128                 dev_info(&dev->core, "Limiting ps3fb mem size to %lu bytes\n",
1129                          max_ps3fb_size);
1130                 ps3fb_videomemory.size = max_ps3fb_size;
1131         }
1132
1133         /* get gpu context handle */
1134         status = lv1_gpu_memory_allocate(ps3fb_videomemory.size, 0, 0, 0, 0,
1135                                          &ps3fb.memory_handle, &ddr_lpar);
1136         if (status) {
1137                 dev_err(&dev->core, "%s: lv1_gpu_memory_allocate failed: %d\n",
1138                         __func__, status);
1139                 goto err;
1140         }
1141         dev_dbg(&dev->core, "ddr:lpar:0x%lx\n", ddr_lpar);
1142
1143         status = lv1_gpu_context_allocate(ps3fb.memory_handle, 0,
1144                                           &ps3fb.context_handle,
1145                                           &lpar_dma_control, &lpar_driver_info,
1146                                           &lpar_reports, &lpar_reports_size);
1147         if (status) {
1148                 dev_err(&dev->core,
1149                         "%s: lv1_gpu_context_attribute failed: %d\n", __func__,
1150                         status);
1151                 goto err_gpu_memory_free;
1152         }
1153
1154         /* vsync interrupt */
1155         ps3fb.dinfo = (void __force *)ioremap(lpar_driver_info, 128 * 1024);
1156         if (!ps3fb.dinfo) {
1157                 dev_err(&dev->core, "%s: ioremap failed\n", __func__);
1158                 goto err_gpu_context_free;
1159         }
1160
1161         retval = ps3fb_vsync_settings(ps3fb.dinfo, &dev->core);
1162         if (retval)
1163                 goto err_iounmap_dinfo;
1164
1165         /* Clear memory to prevent kernel info leakage into userspace */
1166         memset(ps3fb_videomemory.address, 0, ps3fb_videomemory.size);
1167
1168         xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb_videomemory.address));
1169         retval = ps3fb_xdr_settings(xdr_lpar, &dev->core);
1170         if (retval)
1171                 goto err_free_irq;
1172
1173         info = framebuffer_alloc(sizeof(struct ps3fb_par), &dev->core);
1174         if (!info)
1175                 goto err_free_irq;
1176
1177         par = info->par;
1178         par->mode_id = ~ps3fb_mode;     /* != ps3fb_mode, to trigger change */
1179         par->new_mode_id = ps3fb_mode;
1180         par->num_frames = 1;
1181
1182         info->fbops = &ps3fb_ops;
1183         info->fix = ps3fb_fix;
1184
1185         /*
1186          * The GPU command buffer is at the start of video memory
1187          * As we don't use the full command buffer, we can put the actual
1188          * frame buffer at offset GPU_FB_START and save some precious XDR
1189          * memory
1190          */
1191         fb_start = ps3fb_videomemory.address + GPU_FB_START;
1192         info->screen_base = (char __force __iomem *)fb_start;
1193         info->fix.smem_start = virt_to_abs(fb_start);
1194         info->fix.smem_len = ps3fb_videomemory.size - GPU_FB_START;
1195
1196         info->pseudo_palette = par->pseudo_palette;
1197         info->flags = FBINFO_DEFAULT | FBINFO_READS_FAST |
1198                       FBINFO_HWACCEL_XPAN | FBINFO_HWACCEL_YPAN;
1199
1200         retval = fb_alloc_cmap(&info->cmap, 256, 0);
1201         if (retval < 0)
1202                 goto err_framebuffer_release;
1203
1204         if (!fb_find_mode(&info->var, info, mode_option, ps3fb_modedb,
1205                           ARRAY_SIZE(ps3fb_modedb),
1206                           ps3fb_vmode(par->new_mode_id), 32)) {
1207                 retval = -EINVAL;
1208                 goto err_fb_dealloc;
1209         }
1210
1211         fb_videomode_to_modelist(ps3fb_modedb, ARRAY_SIZE(ps3fb_modedb),
1212                                  &info->modelist);
1213
1214         retval = register_framebuffer(info);
1215         if (retval < 0)
1216                 goto err_fb_dealloc;
1217
1218         dev->core.driver_data = info;
1219
1220         dev_info(info->device, "%s %s, using %u KiB of video memory\n",
1221                  dev_driver_string(info->dev), info->dev->bus_id,
1222                  info->fix.smem_len >> 10);
1223
1224         task = kthread_run(ps3fbd, info, DEVICE_NAME);
1225         if (IS_ERR(task)) {
1226                 retval = PTR_ERR(task);
1227                 goto err_unregister_framebuffer;
1228         }
1229
1230         ps3fb.task = task;
1231         ps3av_register_flip_ctl(ps3fb_flip_ctl, &ps3fb);
1232
1233         return 0;
1234
1235 err_unregister_framebuffer:
1236         unregister_framebuffer(info);
1237 err_fb_dealloc:
1238         fb_dealloc_cmap(&info->cmap);
1239 err_framebuffer_release:
1240         framebuffer_release(info);
1241 err_free_irq:
1242         free_irq(ps3fb.irq_no, &dev->core);
1243         ps3_irq_plug_destroy(ps3fb.irq_no);
1244 err_iounmap_dinfo:
1245         iounmap((u8 __force __iomem *)ps3fb.dinfo);
1246 err_gpu_context_free:
1247         lv1_gpu_context_free(ps3fb.context_handle);
1248 err_gpu_memory_free:
1249         lv1_gpu_memory_free(ps3fb.memory_handle);
1250 err:
1251         return retval;
1252 }
1253
1254 static int ps3fb_shutdown(struct ps3_system_bus_device *dev)
1255 {
1256         int status;
1257         struct fb_info *info = dev->core.driver_data;
1258
1259         dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
1260
1261         ps3fb_flip_ctl(0, &ps3fb);      /* flip off */
1262         ps3fb.dinfo->irq.mask = 0;
1263
1264         ps3av_register_flip_ctl(NULL, NULL);
1265         if (ps3fb.task) {
1266                 struct task_struct *task = ps3fb.task;
1267                 ps3fb.task = NULL;
1268                 kthread_stop(task);
1269         }
1270         if (ps3fb.irq_no) {
1271                 free_irq(ps3fb.irq_no, &dev->core);
1272                 ps3_irq_plug_destroy(ps3fb.irq_no);
1273         }
1274         if (info) {
1275                 unregister_framebuffer(info);
1276                 fb_dealloc_cmap(&info->cmap);
1277                 framebuffer_release(info);
1278                 info = dev->core.driver_data = NULL;
1279         }
1280         iounmap((u8 __force __iomem *)ps3fb.dinfo);
1281
1282         status = lv1_gpu_context_free(ps3fb.context_handle);
1283         if (status)
1284                 dev_dbg(&dev->core, "lv1_gpu_context_free failed: %d\n",
1285                         status);
1286
1287         status = lv1_gpu_memory_free(ps3fb.memory_handle);
1288         if (status)
1289                 dev_dbg(&dev->core, "lv1_gpu_memory_free failed: %d\n",
1290                         status);
1291
1292         ps3_close_hv_device(dev);
1293         dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
1294
1295         return 0;
1296 }
1297
1298 static struct ps3_system_bus_driver ps3fb_driver = {
1299         .match_id       = PS3_MATCH_ID_GRAPHICS,
1300         .core.name      = DEVICE_NAME,
1301         .core.owner     = THIS_MODULE,
1302         .probe          = ps3fb_probe,
1303         .remove         = ps3fb_shutdown,
1304         .shutdown       = ps3fb_shutdown,
1305 };
1306
1307 static int __init ps3fb_setup(void)
1308 {
1309         char *options;
1310
1311 #ifdef MODULE
1312         return 0;
1313 #endif
1314
1315         if (fb_get_options(DEVICE_NAME, &options))
1316                 return -ENXIO;
1317
1318         if (!options || !*options)
1319                 return 0;
1320
1321         while (1) {
1322                 char *this_opt = strsep(&options, ",");
1323
1324                 if (!this_opt)
1325                         break;
1326                 if (!*this_opt)
1327                         continue;
1328                 if (!strncmp(this_opt, "mode:", 5))
1329                         ps3fb_mode = simple_strtoul(this_opt + 5, NULL, 0);
1330                 else
1331                         mode_option = this_opt;
1332         }
1333         return 0;
1334 }
1335
1336 static int __init ps3fb_init(void)
1337 {
1338         if (!ps3fb_videomemory.address ||  ps3fb_setup())
1339                 return -ENXIO;
1340
1341         return ps3_system_bus_driver_register(&ps3fb_driver);
1342 }
1343
1344 static void __exit ps3fb_exit(void)
1345 {
1346         pr_debug(" -> %s:%d\n", __func__, __LINE__);
1347         ps3_system_bus_driver_unregister(&ps3fb_driver);
1348         pr_debug(" <- %s:%d\n", __func__, __LINE__);
1349 }
1350
1351 module_init(ps3fb_init);
1352 module_exit(ps3fb_exit);
1353
1354 MODULE_LICENSE("GPL");
1355 MODULE_DESCRIPTION("PS3 GPU Frame Buffer Driver");
1356 MODULE_AUTHOR("Sony Computer Entertainment Inc.");
1357 MODULE_ALIAS(PS3_MODULE_ALIAS_GRAPHICS);