drivers/video/ps3fb.c

   1 /*
   2  *  linux/drivers/video/ps3fb.c -- PS3 GPU frame buffer device
   3  *
   4  *      Copyright (C) 2006 Sony Computer Entertainment Inc.
   5  *      Copyright 2006, 2007 Sony Corporation
   6  *
   7  *  This file is based on :
   8  *
   9  *  linux/drivers/video/vfb.c -- Virtual frame buffer device
  10  *
  11  *      Copyright (C) 2002 James Simmons
  12  *
  13  *      Copyright (C) 1997 Geert Uytterhoeven
  14  *
  15  *  This file is subject to the terms and conditions of the GNU General Public
  16  *  License. See the file COPYING in the main directory of this archive for
  17  *  more details.
  18  */
  19
  20 #include <linux/module.h>
  21 #include <linux/kernel.h>
  22 #include <linux/errno.h>
  23 #include <linux/string.h>
  24 #include <linux/mm.h>
  25 #include <linux/interrupt.h>
  26 #include <linux/console.h>
  27 #include <linux/ioctl.h>
  28 #include <linux/kthread.h>
  29 #include <linux/freezer.h>
  30 #include <linux/uaccess.h>
  31 #include <linux/fb.h>
  32 #include <linux/init.h>
  33
  34 #include <asm/abs_addr.h>
  35 #include <asm/lv1call.h>
  36 #include <asm/ps3av.h>
  37 #include <asm/ps3fb.h>
  38 #include <asm/ps3.h>
  39
  40
  41 #define DEVICE_NAME             "ps3fb"
  42
  43 #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC    0x101
  44 #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP    0x102
  45 #define L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP        0x600
  46 #define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT         0x601
  47 #define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT_SYNC    0x602
  48
  49 #define L1GPU_FB_BLIT_WAIT_FOR_COMPLETION       (1ULL << 32)
  50
  51 #define L1GPU_DISPLAY_SYNC_HSYNC                1
  52 #define L1GPU_DISPLAY_SYNC_VSYNC                2
  53
  54 #define GPU_CMD_BUF_SIZE                        (2 * 1024 * 1024)
  55 #define GPU_FB_START                            (64 * 1024)
  56 #define GPU_IOIF                                (0x0d000000UL)
  57 #define GPU_ALIGN_UP(x)                         _ALIGN_UP((x), 64)
  58 #define GPU_MAX_LINE_LENGTH                     (65536 - 64)
  59
  60 #define GPU_INTR_STATUS_VSYNC_0                 0       /* vsync on head A */
  61 #define GPU_INTR_STATUS_VSYNC_1                 1       /* vsync on head B */
  62 #define GPU_INTR_STATUS_FLIP_0                  3       /* flip head A */
  63 #define GPU_INTR_STATUS_FLIP_1                  4       /* flip head B */
  64 #define GPU_INTR_STATUS_QUEUE_0                 5       /* queue head A */
  65 #define GPU_INTR_STATUS_QUEUE_1                 6       /* queue head B */
  66
  67 #define GPU_DRIVER_INFO_VERSION                 0x211
  68
  69 /* gpu internals */
  70 struct display_head {
  71         u64 be_time_stamp;
  72         u32 status;
  73         u32 offset;
  74         u32 res1;
  75         u32 res2;
  76         u32 field;
  77         u32 reserved1;
  78
  79         u64 res3;
  80         u32 raster;
  81
  82         u64 vblank_count;
  83         u32 field_vsync;
  84         u32 reserved2;
  85 };
  86
  87 struct gpu_irq {
  88         u32 irq_outlet;
  89         u32 status;
  90         u32 mask;
  91         u32 video_cause;
  92         u32 graph_cause;
  93         u32 user_cause;
  94
  95         u32 res1;
  96         u64 res2;
  97
  98         u32 reserved[4];
  99 };
 100
 101 struct gpu_driver_info {
 102         u32 version_driver;
 103         u32 version_gpu;
 104         u32 memory_size;
 105         u32 hardware_channel;
 106
 107         u32 nvcore_frequency;
 108         u32 memory_frequency;
 109
 110         u32 reserved[1063];
 111         struct display_head display_head[8];
 112         struct gpu_irq irq;
 113 };
 114
 115 struct ps3fb_priv {
 116         unsigned int irq_no;
 117
 118         u64 context_handle, memory_handle;
 119         void *xdr_ea;
 120         size_t xdr_size;
 121         struct gpu_driver_info *dinfo;
 122
 123         u64 vblank_count;       /* frame count */
 124         wait_queue_head_t wait_vsync;
 125
 126         atomic_t ext_flip;      /* on/off flip with vsync */
 127         atomic_t f_count;       /* fb_open count */
 128         int is_blanked;
 129         int is_kicked;
 130         struct task_struct *task;
 131 };
 132 static struct ps3fb_priv ps3fb;
 133
 134 struct ps3fb_par {
 135         u32 pseudo_palette[16];
 136         int mode_id, new_mode_id;
 137         unsigned int num_frames;        /* num of frame buffers */
 138         unsigned int width;
 139         unsigned int height;
 140         unsigned int ddr_line_length;
 141         unsigned int ddr_frame_size;
 142         unsigned int xdr_frame_size;
 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
 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         /* 1080 */
 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     /* VESA modes (modes "11" to "13") */
 197     {
 198         /* WXGA */
 199         "wxga", 60, 1280, 768, 12924, 160, 24, 29, 3, 136, 6,
 200         0, FB_VMODE_NONINTERLACED,
 201         FB_MODE_IS_VESA
 202     }, {
 203         /* SXGA */
 204         "sxga", 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3,
 205         FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED,
 206         FB_MODE_IS_VESA
 207     }, {
 208         /* WUXGA */
 209         "wuxga", 60, 1920, 1200, 6494, 80, 48, 26, 3, 32, 6,
 210         FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED,
 211         FB_MODE_IS_VESA
 212     },
 213
 214     /* 60 Hz broadcast modes (full resolution versions of modes "1" to "5") */
 215     {
 216         /* 480if */
 217         "480if", 60, 720, 480, 74074, 58, 17, 30, 9, 63, 6,
 218         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 219     }, {
 220         /* 480pf */
 221         "480pf", 60, 720, 480, 37037, 58, 17, 30, 9, 63, 6,
 222         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 223     }, {
 224         /* 720pf */
 225         "720pf", 60, 1280, 720, 13481, 220, 70, 19, 6, 80, 5,
 226         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 227     }, {
 228         /* 1080if */
 229         "1080if", 60, 1920, 1080, 13481, 148, 44, 36, 4, 88, 5,
 230         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 231     }, {
 232         /* 1080pf */
 233         "1080pf", 60, 1920, 1080, 6741, 148, 44, 36, 4, 88, 5,
 234         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 235     },
 236
 237     /* 50 Hz broadcast modes (full resolution versions of modes "6" to "10") */
 238     {
 239         /* 576if */
 240         "576if", 50, 720, 576, 74074, 70, 11, 39, 5, 63, 5,
 241         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 242     }, {
 243         /* 576pf */
 244         "576pf", 50, 720, 576, 37037, 70, 11, 39, 5, 63, 5,
 245         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 246     }, {
 247         /* 720pf */
 248         "720pf", 50, 1280, 720, 13468, 220, 400, 19, 6, 80, 5,
 249         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 250     }, {
 251         /* 1080if */
 252         "1080f", 50, 1920, 1080, 13468, 148, 484, 36, 4, 88, 5,
 253         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 254     }, {
 255         /* 1080pf */
 256         "1080pf", 50, 1920, 1080, 6734, 148, 484, 36, 4, 88, 5,
 257         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 258     }
 259 };
 260
 261
 262 #define HEAD_A
 263 #define HEAD_B
 264
 265 #define BPP             4                       /* number of bytes per pixel */
 266
 267
 268 static int ps3fb_mode;
 269 module_param(ps3fb_mode, int, 0);
 270
 271 static char *mode_option __devinitdata;
 272
 273 static unsigned int ps3fb_find_mode(const struct fb_var_screeninfo *var,
 274                                     u32 *ddr_line_length, u32 *xdr_line_length)
 275 {
 276         unsigned int i, fi, mode;
 277
 278         for (i = 0; i < ARRAY_SIZE(ps3fb_modedb); i++)
 279                 if (var->xres == ps3fb_modedb[i].xres &&
 280                     var->yres == ps3fb_modedb[i].yres &&
 281                     var->pixclock == ps3fb_modedb[i].pixclock &&
 282                     var->hsync_len == ps3fb_modedb[i].hsync_len &&
 283                     var->vsync_len == ps3fb_modedb[i].vsync_len &&
 284                     var->left_margin == ps3fb_modedb[i].left_margin &&
 285                     var->right_margin == ps3fb_modedb[i].right_margin &&
 286                     var->upper_margin == ps3fb_modedb[i].upper_margin &&
 287                     var->lower_margin == ps3fb_modedb[i].lower_margin &&
 288                     var->sync == ps3fb_modedb[i].sync &&
 289                     (var->vmode & FB_VMODE_MASK) == ps3fb_modedb[i].vmode)
 290                         goto found;
 291
 292         pr_debug("ps3fb_find_mode: mode not found\n");
 293         return 0;
 294
 295 found:
 296         /* Cropped broadcast modes use the full line length */
 297         fi = i < PS3AV_MODE_1080P50 ? i + PS3AV_MODE_WUXGA : i;
 298         *ddr_line_length = ps3fb_modedb[fi].xres * BPP;
 299
 300         if (ps3_compare_firmware_version(1, 9, 0) >= 0) {
 301                 *xdr_line_length = GPU_ALIGN_UP(max(var->xres,
 302                                                     var->xres_virtual) * BPP);
 303                 if (*xdr_line_length > GPU_MAX_LINE_LENGTH)
 304                         *xdr_line_length = GPU_MAX_LINE_LENGTH;
 305         } else
 306                 *xdr_line_length = *ddr_line_length;
 307
 308         /* Full broadcast modes have the full mode bit set */
 309         mode = i+1;
 310         if (mode > PS3AV_MODE_WUXGA)
 311                 mode = (mode - PS3AV_MODE_WUXGA) | PS3AV_MODE_FULL;
 312
 313         pr_debug("ps3fb_find_mode: mode %u\n", mode);
 314
 315         return mode;
 316 }
 317
 318 static const struct fb_videomode *ps3fb_default_mode(int id)
 319 {
 320         u32 mode = id & PS3AV_MODE_MASK;
 321         u32 flags;
 322
 323         if (mode < PS3AV_MODE_480I || mode > PS3AV_MODE_WUXGA)
 324                 return NULL;
 325
 326         flags = id & ~PS3AV_MODE_MASK;
 327
 328         if (mode <= PS3AV_MODE_1080P50 && flags & PS3AV_MODE_FULL) {
 329                 /* Full broadcast mode */
 330                 return &ps3fb_modedb[mode + PS3AV_MODE_WUXGA - 1];
 331         }
 332
 333         return &ps3fb_modedb[mode - 1];
 334 }
 335
 336 static void ps3fb_sync_image(struct device *dev, u64 frame_offset,
 337                              u64 dst_offset, u64 src_offset, u32 width,
 338                              u32 height, u32 dst_line_length,
 339                              u32 src_line_length)
 340 {
 341         int status;
 342         u64 line_length;
 343
 344         line_length = dst_line_length;
 345         if (src_line_length != dst_line_length)
 346                 line_length |= (u64)src_line_length << 32;
 347
 348         src_offset += GPU_FB_START;
 349         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 350                                            L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT,
 351                                            dst_offset, GPU_IOIF + src_offset,
 352                                            L1GPU_FB_BLIT_WAIT_FOR_COMPLETION |
 353                                            (width << 16) | height,
 354                                            line_length);
 355         if (status)
 356                 dev_err(dev,
 357                         "%s: lv1_gpu_context_attribute FB_BLIT failed: %d\n",
 358                         __func__, status);
 359 #ifdef HEAD_A
 360         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 361                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
 362                                            0, frame_offset, 0, 0);
 363         if (status)
 364                 dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
 365                         __func__, status);
 366 #endif
 367 #ifdef HEAD_B
 368         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 369                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
 370                                            1, frame_offset, 0, 0);
 371         if (status)
 372                 dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
 373                         __func__, status);
 374 #endif
 375 }
 376
 377 static int ps3fb_sync(struct fb_info *info, u32 frame)
 378 {
 379         struct ps3fb_par *par = info->par;
 380         int error = 0;
 381         u64 ddr_base, xdr_base;
 382
 383         if (frame > par->num_frames - 1) {
 384                 dev_dbg(info->device, "%s: invalid frame number (%u)\n",
 385                         __func__, frame);
 386                 error = -EINVAL;
 387                 goto out;
 388         }
 389
 390         xdr_base = frame * par->xdr_frame_size;
 391         ddr_base = frame * par->ddr_frame_size;
 392
 393         ps3fb_sync_image(info->device, ddr_base + par->full_offset,
 394                          ddr_base + par->fb_offset, xdr_base + par->pan_offset,
 395                          par->width, par->height, par->ddr_line_length,
 396                          info->fix.line_length);
 397
 398 out:
 399         return error;
 400 }
 401
 402 static int ps3fb_open(struct fb_info *info, int user)
 403 {
 404         atomic_inc(&ps3fb.f_count);
 405         return 0;
 406 }
 407
 408 static int ps3fb_release(struct fb_info *info, int user)
 409 {
 410         if (atomic_dec_and_test(&ps3fb.f_count)) {
 411                 if (atomic_read(&ps3fb.ext_flip)) {
 412                         atomic_set(&ps3fb.ext_flip, 0);
 413                         if (!try_acquire_console_sem()) {
 414                                 ps3fb_sync(info, 0);    /* single buffer */
 415                                 release_console_sem();
 416                         }
 417                 }
 418         }
 419         return 0;
 420 }
 421
 422     /*
 423      *  Setting the video mode has been split into two parts.
 424      *  First part, xxxfb_check_var, must not write anything
 425      *  to hardware, it should only verify and adjust var.
 426      *  This means it doesn't alter par but it does use hardware
 427      *  data from it to check this var.
 428      */
 429
 430 static int ps3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 431 {
 432         u32 xdr_line_length, ddr_line_length;
 433         int mode;
 434
 435         dev_dbg(info->device, "var->xres:%u info->var.xres:%u\n", var->xres,
 436                 info->var.xres);
 437         dev_dbg(info->device, "var->yres:%u info->var.yres:%u\n", var->yres,
 438                 info->var.yres);
 439
 440         /* FIXME For now we do exact matches only */
 441         mode = ps3fb_find_mode(var, &ddr_line_length, &xdr_line_length);
 442         if (!mode)
 443                 return -EINVAL;
 444
 445         /* Virtual screen */
 446         if (var->xres_virtual < var->xres)
 447                 var->xres_virtual = var->xres;
 448         if (var->yres_virtual < var->yres)
 449                 var->yres_virtual = var->yres;
 450
 451         if (var->xres_virtual > xdr_line_length / BPP) {
 452                 dev_dbg(info->device,
 453                         "Horizontal virtual screen size too large\n");
 454                 return -EINVAL;
 455         }
 456
 457         if (var->xoffset + var->xres > var->xres_virtual ||
 458             var->yoffset + var->yres > var->yres_virtual) {
 459                 dev_dbg(info->device, "panning out-of-range\n");
 460                 return -EINVAL;
 461         }
 462
 463         /* We support ARGB8888 only */
 464         if (var->bits_per_pixel > 32 || var->grayscale ||
 465             var->red.offset > 16 || var->green.offset > 8 ||
 466             var->blue.offset > 0 || var->transp.offset > 24 ||
 467             var->red.length > 8 || var->green.length > 8 ||
 468             var->blue.length > 8 || var->transp.length > 8 ||
 469             var->red.msb_right || var->green.msb_right ||
 470             var->blue.msb_right || var->transp.msb_right || var->nonstd) {
 471                 dev_dbg(info->device, "We support ARGB8888 only\n");
 472                 return -EINVAL;
 473         }
 474
 475         var->bits_per_pixel = 32;
 476         var->red.offset = 16;
 477         var->green.offset = 8;
 478         var->blue.offset = 0;
 479         var->transp.offset = 24;
 480         var->red.length = 8;
 481         var->green.length = 8;
 482         var->blue.length = 8;
 483         var->transp.length = 8;
 484         var->red.msb_right = 0;
 485         var->green.msb_right = 0;
 486         var->blue.msb_right = 0;
 487         var->transp.msb_right = 0;
 488
 489         /* Rotation is not supported */
 490         if (var->rotate) {
 491                 dev_dbg(info->device, "Rotation is not supported\n");
 492                 return -EINVAL;
 493         }
 494
 495         /* Memory limit */
 496         if (var->yres_virtual * xdr_line_length > ps3fb.xdr_size) {
 497                 dev_dbg(info->device, "Not enough memory\n");
 498                 return -ENOMEM;
 499         }
 500
 501         var->height = -1;
 502         var->width = -1;
 503
 504         return 0;
 505 }
 506
 507     /*
 508      * This routine actually sets the video mode.
 509      */
 510
 511 static int ps3fb_set_par(struct fb_info *info)
 512 {
 513         struct ps3fb_par *par = info->par;
 514         unsigned int mode, ddr_line_length, xdr_line_length, lines, maxlines;
 515         unsigned int ddr_xoff, ddr_yoff;
 516         unsigned long offset;
 517         const struct fb_videomode *vmode;
 518         u64 dst;
 519
 520         dev_dbg(info->device, "xres:%d xv:%d yres:%d yv:%d clock:%d\n",
 521                 info->var.xres, info->var.xres_virtual,
 522                 info->var.yres, info->var.yres_virtual, info->var.pixclock);
 523
 524         mode = ps3fb_find_mode(&info->var, &ddr_line_length, &xdr_line_length);
 525         if (!mode)
 526                 return -EINVAL;
 527
 528         vmode = ps3fb_default_mode(mode | PS3AV_MODE_FULL);
 529
 530         info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea);
 531         info->fix.smem_len = ps3fb.xdr_size;
 532         info->fix.xpanstep = info->var.xres_virtual > info->var.xres ? 1 : 0;
 533         info->fix.ypanstep = info->var.yres_virtual > info->var.yres ? 1 : 0;
 534         info->fix.line_length = xdr_line_length;
 535
 536         info->screen_base = (char __iomem *)ps3fb.xdr_ea;
 537
 538         par->ddr_line_length = ddr_line_length;
 539         par->ddr_frame_size = vmode->yres * ddr_line_length;
 540         par->xdr_frame_size = info->var.yres_virtual * xdr_line_length;
 541
 542         par->num_frames = ps3fb.xdr_size /
 543                           max(par->ddr_frame_size, par->xdr_frame_size);
 544
 545         /* Keep the special bits we cannot set using fb_var_screeninfo */
 546         par->new_mode_id = (par->new_mode_id & ~PS3AV_MODE_MASK) | mode;
 547
 548         par->width = info->var.xres;
 549         par->height = info->var.yres;
 550
 551         /* Start of the virtual frame buffer (relative to fullscreen) */
 552         ddr_xoff = info->var.left_margin - vmode->left_margin;
 553         ddr_yoff = info->var.upper_margin - vmode->upper_margin;
 554         offset = ddr_yoff * ddr_line_length + ddr_xoff * BPP;
 555
 556         par->fb_offset = GPU_ALIGN_UP(offset);
 557         par->full_offset = par->fb_offset - offset;
 558         par->pan_offset = info->var.yoffset * xdr_line_length +
 559                           info->var.xoffset * BPP;
 560
 561         if (par->new_mode_id != par->mode_id) {
 562                 if (ps3av_set_video_mode(par->new_mode_id)) {
 563                         par->new_mode_id = par->mode_id;
 564                         return -EINVAL;
 565                 }
 566                 par->mode_id = par->new_mode_id;
 567         }
 568
 569         /* Clear XDR frame buffer memory */
 570         memset(ps3fb.xdr_ea, 0, ps3fb.xdr_size);
 571
 572         /* Clear DDR frame buffer memory */
 573         lines = vmode->yres * par->num_frames;
 574         if (par->full_offset)
 575                 lines++;
 576         maxlines = ps3fb.xdr_size / ddr_line_length;
 577         for (dst = 0; lines; dst += maxlines * ddr_line_length) {
 578                 unsigned int l = min(lines, maxlines);
 579                 ps3fb_sync_image(info->device, 0, dst, 0, vmode->xres, l,
 580                                  ddr_line_length, ddr_line_length);
 581                 lines -= l;
 582         }
 583
 584         return 0;
 585 }
 586
 587     /*
 588      *  Set a single color register. The values supplied are already
 589      *  rounded down to the hardware's capabilities (according to the
 590      *  entries in the var structure). Return != 0 for invalid regno.
 591      */
 592
 593 static int ps3fb_setcolreg(unsigned int regno, unsigned int red,
 594                            unsigned int green, unsigned int blue,
 595                            unsigned int transp, struct fb_info *info)
 596 {
 597         if (regno >= 16)
 598                 return 1;
 599
 600         red >>= 8;
 601         green >>= 8;
 602         blue >>= 8;
 603         transp >>= 8;
 604
 605         ((u32 *)info->pseudo_palette)[regno] = transp << 24 | red << 16 |
 606                                                green << 8 | blue;
 607         return 0;
 608 }
 609
 610 static int ps3fb_pan_display(struct fb_var_screeninfo *var,
 611                              struct fb_info *info)
 612 {
 613         struct ps3fb_par *par = info->par;
 614
 615         par->pan_offset = var->yoffset * info->fix.line_length +
 616                           var->xoffset * BPP;
 617         return 0;
 618 }
 619
 620     /*
 621      *  As we have a virtual frame buffer, we need our own mmap function
 622      */
 623
 624 static int ps3fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
 625 {
 626         unsigned long size, offset;
 627
 628         size = vma->vm_end - vma->vm_start;
 629         offset = vma->vm_pgoff << PAGE_SHIFT;
 630         if (offset + size > info->fix.smem_len)
 631                 return -EINVAL;
 632
 633         offset += info->fix.smem_start;
 634         if (remap_pfn_range(vma, vma->vm_start, offset >> PAGE_SHIFT,
 635                             size, vma->vm_page_prot))
 636                 return -EAGAIN;
 637
 638         dev_dbg(info->device, "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n",
 639                 offset, vma->vm_start);
 640         return 0;
 641 }
 642
 643     /*
 644      * Blank the display
 645      */
 646
 647 static int ps3fb_blank(int blank, struct fb_info *info)
 648 {
 649         int retval;
 650
 651         dev_dbg(info->device, "%s: blank:%d\n", __func__, blank);
 652         switch (blank) {
 653         case FB_BLANK_POWERDOWN:
 654         case FB_BLANK_HSYNC_SUSPEND:
 655         case FB_BLANK_VSYNC_SUSPEND:
 656         case FB_BLANK_NORMAL:
 657                 retval = ps3av_video_mute(1);   /* mute on */
 658                 if (!retval)
 659                         ps3fb.is_blanked = 1;
 660                 break;
 661
 662         default:                /* unblank */
 663                 retval = ps3av_video_mute(0);   /* mute off */
 664                 if (!retval)
 665                         ps3fb.is_blanked = 0;
 666                 break;
 667         }
 668         return retval;
 669 }
 670
 671 static int ps3fb_get_vblank(struct fb_vblank *vblank)
 672 {
 673         memset(vblank, 0, sizeof(*vblank));
 674         vblank->flags = FB_VBLANK_HAVE_VSYNC;
 675         return 0;
 676 }
 677
 678 static int ps3fb_wait_for_vsync(u32 crtc)
 679 {
 680         int ret;
 681         u64 count;
 682
 683         count = ps3fb.vblank_count;
 684         ret = wait_event_interruptible_timeout(ps3fb.wait_vsync,
 685                                                count != ps3fb.vblank_count,
 686                                                HZ / 10);
 687         if (!ret)
 688                 return -ETIMEDOUT;
 689
 690         return 0;
 691 }
 692
 693 static void ps3fb_flip_ctl(int on, void *data)
 694 {
 695         struct ps3fb_priv *priv = data;
 696         if (on)
 697                 atomic_dec_if_positive(&priv->ext_flip);
 698         else
 699                 atomic_inc(&priv->ext_flip);
 700 }
 701
 702
 703     /*
 704      * ioctl
 705      */
 706
 707 static int ps3fb_ioctl(struct fb_info *info, unsigned int cmd,
 708                        unsigned long arg)
 709 {
 710         void __user *argp = (void __user *)arg;
 711         u32 val;
 712         int retval = -EFAULT;
 713
 714         switch (cmd) {
 715         case FBIOGET_VBLANK:
 716                 {
 717                         struct fb_vblank vblank;
 718                         dev_dbg(info->device, "FBIOGET_VBLANK:\n");
 719                         retval = ps3fb_get_vblank(&vblank);
 720                         if (retval)
 721                                 break;
 722
 723                         if (copy_to_user(argp, &vblank, sizeof(vblank)))
 724                                 retval = -EFAULT;
 725                         break;
 726                 }
 727
 728         case FBIO_WAITFORVSYNC:
 729                 {
 730                         u32 crt;
 731                         dev_dbg(info->device, "FBIO_WAITFORVSYNC:\n");
 732                         if (get_user(crt, (u32 __user *) arg))
 733                                 break;
 734
 735                         retval = ps3fb_wait_for_vsync(crt);
 736                         break;
 737                 }
 738
 739         case PS3FB_IOCTL_SETMODE:
 740                 {
 741                         struct ps3fb_par *par = info->par;
 742                         const struct fb_videomode *mode;
 743                         struct fb_var_screeninfo var;
 744
 745                         if (copy_from_user(&val, argp, sizeof(val)))
 746                                 break;
 747
 748                         if (!(val & PS3AV_MODE_MASK)) {
 749                                 u32 id = ps3av_get_auto_mode();
 750                                 if (id > 0)
 751                                         val = (val & ~PS3AV_MODE_MASK) | id;
 752                         }
 753                         dev_dbg(info->device, "PS3FB_IOCTL_SETMODE:%x\n", val);
 754                         retval = -EINVAL;
 755                         mode = ps3fb_default_mode(val);
 756                         if (mode) {
 757                                 var = info->var;
 758                                 fb_videomode_to_var(&var, mode);
 759                                 acquire_console_sem();
 760                                 info->flags |= FBINFO_MISC_USEREVENT;
 761                                 /* Force, in case only special bits changed */
 762                                 var.activate |= FB_ACTIVATE_FORCE;
 763                                 par->new_mode_id = val;
 764                                 retval = fb_set_var(info, &var);
 765                                 info->flags &= ~FBINFO_MISC_USEREVENT;
 766                                 release_console_sem();
 767                         }
 768                         break;
 769                 }
 770
 771         case PS3FB_IOCTL_GETMODE:
 772                 val = ps3av_get_mode();
 773                 dev_dbg(info->device, "PS3FB_IOCTL_GETMODE:%x\n", val);
 774                 if (!copy_to_user(argp, &val, sizeof(val)))
 775                         retval = 0;
 776                 break;
 777
 778         case PS3FB_IOCTL_SCREENINFO:
 779                 {
 780                         struct ps3fb_par *par = info->par;
 781                         struct ps3fb_ioctl_res res;
 782                         dev_dbg(info->device, "PS3FB_IOCTL_SCREENINFO:\n");
 783                         res.xres = info->fix.line_length / BPP;
 784                         res.yres = info->var.yres_virtual;
 785                         res.xoff = (res.xres - info->var.xres) / 2;
 786                         res.yoff = (res.yres - info->var.yres) / 2;
 787                         res.num_frames = par->num_frames;
 788                         if (!copy_to_user(argp, &res, sizeof(res)))
 789                                 retval = 0;
 790                         break;
 791                 }
 792
 793         case PS3FB_IOCTL_ON:
 794                 dev_dbg(info->device, "PS3FB_IOCTL_ON:\n");
 795                 atomic_inc(&ps3fb.ext_flip);
 796                 retval = 0;
 797                 break;
 798
 799         case PS3FB_IOCTL_OFF:
 800                 dev_dbg(info->device, "PS3FB_IOCTL_OFF:\n");
 801                 atomic_dec_if_positive(&ps3fb.ext_flip);
 802                 retval = 0;
 803                 break;
 804
 805         case PS3FB_IOCTL_FSEL:
 806                 if (copy_from_user(&val, argp, sizeof(val)))
 807                         break;
 808
 809                 dev_dbg(info->device, "PS3FB_IOCTL_FSEL:%d\n", val);
 810                 acquire_console_sem();
 811                 retval = ps3fb_sync(info, val);
 812                 release_console_sem();
 813                 break;
 814
 815         default:
 816                 retval = -ENOIOCTLCMD;
 817                 break;
 818         }
 819         return retval;
 820 }
 821
 822 static int ps3fbd(void *arg)
 823 {
 824         struct fb_info *info = arg;
 825
 826         set_freezable();
 827         while (!kthread_should_stop()) {
 828                 try_to_freeze();
 829                 set_current_state(TASK_INTERRUPTIBLE);
 830                 if (ps3fb.is_kicked) {
 831                         ps3fb.is_kicked = 0;
 832                         acquire_console_sem();
 833                         ps3fb_sync(info, 0);    /* single buffer */
 834                         release_console_sem();
 835                 }
 836                 schedule();
 837         }
 838         return 0;
 839 }
 840
 841 static irqreturn_t ps3fb_vsync_interrupt(int irq, void *ptr)
 842 {
 843         struct device *dev = ptr;
 844         u64 v1;
 845         int status;
 846         struct display_head *head = &ps3fb.dinfo->display_head[1];
 847
 848         status = lv1_gpu_context_intr(ps3fb.context_handle, &v1);
 849         if (status) {
 850                 dev_err(dev, "%s: lv1_gpu_context_intr failed: %d\n", __func__,
 851                         status);
 852                 return IRQ_NONE;
 853         }
 854
 855         if (v1 & (1 << GPU_INTR_STATUS_VSYNC_1)) {
 856                 /* VSYNC */
 857                 ps3fb.vblank_count = head->vblank_count;
 858                 if (ps3fb.task && !ps3fb.is_blanked &&
 859                     !atomic_read(&ps3fb.ext_flip)) {
 860                         ps3fb.is_kicked = 1;
 861                         wake_up_process(ps3fb.task);
 862                 }
 863                 wake_up_interruptible(&ps3fb.wait_vsync);
 864         }
 865
 866         return IRQ_HANDLED;
 867 }
 868
 869
 870 static int ps3fb_vsync_settings(struct gpu_driver_info *dinfo,
 871                                 struct device *dev)
 872 {
 873         int error;
 874
 875         dev_dbg(dev, "version_driver:%x\n", dinfo->version_driver);
 876         dev_dbg(dev, "irq outlet:%x\n", dinfo->irq.irq_outlet);
 877         dev_dbg(dev,
 878                 "version_gpu: %x memory_size: %x ch: %x core_freq: %d "
 879                 "mem_freq:%d\n",
 880                 dinfo->version_gpu, dinfo->memory_size, dinfo->hardware_channel,
 881                 dinfo->nvcore_frequency/1000000, dinfo->memory_frequency/1000000);
 882
 883         if (dinfo->version_driver != GPU_DRIVER_INFO_VERSION) {
 884                 dev_err(dev, "%s: version_driver err:%x\n", __func__,
 885                         dinfo->version_driver);
 886                 return -EINVAL;
 887         }
 888
 889         error = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet,
 890                                    &ps3fb.irq_no);
 891         if (error) {
 892                 dev_err(dev, "%s: ps3_alloc_irq failed %d\n", __func__, error);
 893                 return error;
 894         }
 895
 896         error = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt, IRQF_DISABLED,
 897                             DEVICE_NAME, dev);
 898         if (error) {
 899                 dev_err(dev, "%s: request_irq failed %d\n", __func__, error);
 900                 ps3_irq_plug_destroy(ps3fb.irq_no);
 901                 return error;
 902         }
 903
 904         dinfo->irq.mask = (1 << GPU_INTR_STATUS_VSYNC_1) |
 905                           (1 << GPU_INTR_STATUS_FLIP_1);
 906         return 0;
 907 }
 908
 909 static int ps3fb_xdr_settings(u64 xdr_lpar, struct device *dev)
 910 {
 911         int status;
 912
 913         status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF,
 914                                        xdr_lpar, ps3fb_videomemory.size, 0);
 915         if (status) {
 916                 dev_err(dev, "%s: lv1_gpu_context_iomap failed: %d\n",
 917                         __func__, status);
 918                 return -ENXIO;
 919         }
 920         dev_dbg(dev,
 921                 "video:%p xdr_ea:%p ioif:%lx lpar:%lx phys:%lx size:%lx\n",
 922                 ps3fb_videomemory.address, ps3fb.xdr_ea, GPU_IOIF, xdr_lpar,
 923                 virt_to_abs(ps3fb.xdr_ea), ps3fb_videomemory.size);
 924
 925         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 926                                            L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP,
 927                                            xdr_lpar, GPU_CMD_BUF_SIZE,
 928                                            GPU_IOIF, 0);
 929         if (status) {
 930                 dev_err(dev,
 931                         "%s: lv1_gpu_context_attribute FB_SETUP failed: %d\n",
 932                         __func__, status);
 933                 return -ENXIO;
 934         }
 935         return 0;
 936 }
 937
 938 static struct fb_ops ps3fb_ops = {
 939         .fb_open        = ps3fb_open,
 940         .fb_release     = ps3fb_release,
 941         .fb_read        = fb_sys_read,
 942         .fb_write       = fb_sys_write,
 943         .fb_check_var   = ps3fb_check_var,
 944         .fb_set_par     = ps3fb_set_par,
 945         .fb_setcolreg   = ps3fb_setcolreg,
 946         .fb_pan_display = ps3fb_pan_display,
 947         .fb_fillrect    = sys_fillrect,
 948         .fb_copyarea    = sys_copyarea,
 949         .fb_imageblit   = sys_imageblit,
 950         .fb_mmap        = ps3fb_mmap,
 951         .fb_blank       = ps3fb_blank,
 952         .fb_ioctl       = ps3fb_ioctl,
 953         .fb_compat_ioctl = ps3fb_ioctl
 954 };
 955
 956 static struct fb_fix_screeninfo ps3fb_fix __initdata = {
 957         .id =           DEVICE_NAME,
 958         .type =         FB_TYPE_PACKED_PIXELS,
 959         .visual =       FB_VISUAL_TRUECOLOR,
 960         .accel =        FB_ACCEL_NONE,
 961 };
 962
 963 static int ps3fb_set_sync(struct device *dev)
 964 {
 965         int status;
 966
 967 #ifdef HEAD_A
 968         status = lv1_gpu_context_attribute(0x0,
 969                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
 970                                            0, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
 971         if (status) {
 972                 dev_err(dev,
 973                         "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
 974                         "%d\n",
 975                         __func__, status);
 976                 return -1;
 977         }
 978 #endif
 979 #ifdef HEAD_B
 980         status = lv1_gpu_context_attribute(0x0,
 981                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
 982                                            1, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
 983
 984         if (status) {
 985                 dev_err(dev,
 986                         "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
 987                         "%d\n",
 988                         __func__, status);
 989                 return -1;
 990         }
 991 #endif
 992         return 0;
 993 }
 994
 995 static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev)
 996 {
 997         struct fb_info *info;
 998         struct ps3fb_par *par;
 999         int retval = -ENOMEM;
1000         u64 ddr_lpar = 0;
1001         u64 lpar_dma_control = 0;
1002         u64 lpar_driver_info = 0;
1003         u64 lpar_reports = 0;
1004         u64 lpar_reports_size = 0;
1005         u64 xdr_lpar;
1006         int status;
1007         struct task_struct *task;
1008         unsigned long max_ps3fb_size;
1009
1010         if (ps3fb_videomemory.size < GPU_CMD_BUF_SIZE) {
1011                 dev_err(&dev->core, "%s: Not enough video memory\n", __func__);
1012                 return -ENOMEM;
1013         }
1014
1015         status = ps3_open_hv_device(dev);
1016         if (status) {
1017                 dev_err(&dev->core, "%s: ps3_open_hv_device failed\n",
1018                         __func__);
1019                 goto err;
1020         }
1021
1022         if (!ps3fb_mode)
1023                 ps3fb_mode = ps3av_get_mode();
1024         dev_dbg(&dev->core, "ps3fb_mode: %d\n", ps3fb_mode);
1025
1026         atomic_set(&ps3fb.f_count, -1); /* fbcon opens ps3fb */
1027         atomic_set(&ps3fb.ext_flip, 0); /* for flip with vsync */
1028         init_waitqueue_head(&ps3fb.wait_vsync);
1029
1030         ps3fb_set_sync(&dev->core);
1031
1032         max_ps3fb_size = _ALIGN_UP(GPU_IOIF, 256*1024*1024) - GPU_IOIF;
1033         if (ps3fb_videomemory.size > max_ps3fb_size) {
1034                 dev_info(&dev->core, "Limiting ps3fb mem size to %lu bytes\n",
1035                          max_ps3fb_size);
1036                 ps3fb_videomemory.size = max_ps3fb_size;
1037         }
1038
1039         /* get gpu context handle */
1040         status = lv1_gpu_memory_allocate(ps3fb_videomemory.size, 0, 0, 0, 0,
1041                                          &ps3fb.memory_handle, &ddr_lpar);
1042         if (status) {
1043                 dev_err(&dev->core, "%s: lv1_gpu_memory_allocate failed: %d\n",
1044                         __func__, status);
1045                 goto err;
1046         }
1047         dev_dbg(&dev->core, "ddr:lpar:0x%lx\n", ddr_lpar);
1048
1049         status = lv1_gpu_context_allocate(ps3fb.memory_handle, 0,
1050                                           &ps3fb.context_handle,
1051                                           &lpar_dma_control, &lpar_driver_info,
1052                                           &lpar_reports, &lpar_reports_size);
1053         if (status) {
1054                 dev_err(&dev->core,
1055                         "%s: lv1_gpu_context_attribute failed: %d\n", __func__,
1056                         status);
1057                 goto err_gpu_memory_free;
1058         }
1059
1060         /* vsync interrupt */
1061         ps3fb.dinfo = ioremap(lpar_driver_info, 128 * 1024);
1062         if (!ps3fb.dinfo) {
1063                 dev_err(&dev->core, "%s: ioremap failed\n", __func__);
1064                 goto err_gpu_context_free;
1065         }
1066
1067         retval = ps3fb_vsync_settings(ps3fb.dinfo, &dev->core);
1068         if (retval)
1069                 goto err_iounmap_dinfo;
1070
1071         /* XDR frame buffer */
1072         ps3fb.xdr_ea = ps3fb_videomemory.address;
1073         xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb.xdr_ea));
1074
1075         /* Clear memory to prevent kernel info leakage into userspace */
1076         memset(ps3fb.xdr_ea, 0, ps3fb_videomemory.size);
1077
1078         /*
1079          * The GPU command buffer is at the start of video memory
1080          * As we don't use the full command buffer, we can put the actual
1081          * frame buffer at offset GPU_FB_START and save some precious XDR
1082          * memory
1083          */
1084         ps3fb.xdr_ea += GPU_FB_START;
1085         ps3fb.xdr_size = ps3fb_videomemory.size - GPU_FB_START;
1086
1087         retval = ps3fb_xdr_settings(xdr_lpar, &dev->core);
1088         if (retval)
1089                 goto err_free_irq;
1090
1091         info = framebuffer_alloc(sizeof(struct ps3fb_par), &dev->core);
1092         if (!info)
1093                 goto err_free_irq;
1094
1095         par = info->par;
1096         par->mode_id = ~ps3fb_mode;     /* != ps3fb_mode, to trigger change */
1097         par->new_mode_id = ps3fb_mode;
1098         par->num_frames = 1;
1099
1100         info->screen_base = (char __iomem *)ps3fb.xdr_ea;
1101         info->fbops = &ps3fb_ops;
1102
1103         info->fix = ps3fb_fix;
1104         info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea);
1105         info->fix.smem_len = ps3fb.xdr_size;
1106         info->pseudo_palette = par->pseudo_palette;
1107         info->flags = FBINFO_DEFAULT | FBINFO_READS_FAST |
1108                       FBINFO_HWACCEL_XPAN | FBINFO_HWACCEL_YPAN;
1109
1110         retval = fb_alloc_cmap(&info->cmap, 256, 0);
1111         if (retval < 0)
1112                 goto err_framebuffer_release;
1113
1114         if (!fb_find_mode(&info->var, info, mode_option, ps3fb_modedb,
1115                           ARRAY_SIZE(ps3fb_modedb),
1116                           ps3fb_default_mode(par->new_mode_id), 32)) {
1117                 retval = -EINVAL;
1118                 goto err_fb_dealloc;
1119         }
1120
1121         fb_videomode_to_modelist(ps3fb_modedb, ARRAY_SIZE(ps3fb_modedb),
1122                                  &info->modelist);
1123
1124         retval = register_framebuffer(info);
1125         if (retval < 0)
1126                 goto err_fb_dealloc;
1127
1128         dev->core.driver_data = info;
1129
1130         dev_info(info->device, "%s %s, using %lu KiB of video memory\n",
1131                  dev_driver_string(info->dev), info->dev->bus_id,
1132                  ps3fb.xdr_size >> 10);
1133
1134         task = kthread_run(ps3fbd, info, DEVICE_NAME);
1135         if (IS_ERR(task)) {
1136                 retval = PTR_ERR(task);
1137                 goto err_unregister_framebuffer;
1138         }
1139
1140         ps3fb.task = task;
1141         ps3av_register_flip_ctl(ps3fb_flip_ctl, &ps3fb);
1142
1143         return 0;
1144
1145 err_unregister_framebuffer:
1146         unregister_framebuffer(info);
1147 err_fb_dealloc:
1148         fb_dealloc_cmap(&info->cmap);
1149 err_framebuffer_release:
1150         framebuffer_release(info);
1151 err_free_irq:
1152         free_irq(ps3fb.irq_no, &dev->core);
1153         ps3_irq_plug_destroy(ps3fb.irq_no);
1154 err_iounmap_dinfo:
1155         iounmap((u8 __iomem *)ps3fb.dinfo);
1156 err_gpu_context_free:
1157         lv1_gpu_context_free(ps3fb.context_handle);
1158 err_gpu_memory_free:
1159         lv1_gpu_memory_free(ps3fb.memory_handle);
1160 err:
1161         return retval;
1162 }
1163
1164 static int ps3fb_shutdown(struct ps3_system_bus_device *dev)
1165 {
1166         int status;
1167         struct fb_info *info = dev->core.driver_data;
1168
1169         dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
1170
1171         ps3fb_flip_ctl(0, &ps3fb);      /* flip off */
1172         ps3fb.dinfo->irq.mask = 0;
1173
1174         ps3av_register_flip_ctl(NULL, NULL);
1175         if (ps3fb.task) {
1176                 struct task_struct *task = ps3fb.task;
1177                 ps3fb.task = NULL;
1178                 kthread_stop(task);
1179         }
1180         if (ps3fb.irq_no) {
1181                 free_irq(ps3fb.irq_no, &dev->core);
1182                 ps3_irq_plug_destroy(ps3fb.irq_no);
1183         }
1184         if (info) {
1185                 unregister_framebuffer(info);
1186                 fb_dealloc_cmap(&info->cmap);
1187                 framebuffer_release(info);
1188                 info = dev->core.driver_data = NULL;
1189         }
1190         iounmap((u8 __iomem *)ps3fb.dinfo);
1191
1192         status = lv1_gpu_context_free(ps3fb.context_handle);
1193         if (status)
1194                 dev_dbg(&dev->core, "lv1_gpu_context_free failed: %d\n",
1195                         status);
1196
1197         status = lv1_gpu_memory_free(ps3fb.memory_handle);
1198         if (status)
1199                 dev_dbg(&dev->core, "lv1_gpu_memory_free failed: %d\n",
1200                         status);
1201
1202         ps3_close_hv_device(dev);
1203         dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
1204
1205         return 0;
1206 }
1207
1208 static struct ps3_system_bus_driver ps3fb_driver = {
1209         .match_id       = PS3_MATCH_ID_GRAPHICS,
1210         .core.name      = DEVICE_NAME,
1211         .core.owner     = THIS_MODULE,
1212         .probe          = ps3fb_probe,
1213         .remove         = ps3fb_shutdown,
1214         .shutdown       = ps3fb_shutdown,
1215 };
1216
1217 static int __init ps3fb_setup(void)
1218 {
1219         char *options;
1220
1221 #ifdef MODULE
1222         return 0;
1223 #endif
1224
1225         if (fb_get_options(DEVICE_NAME, &options))
1226                 return -ENXIO;
1227
1228         if (!options || !*options)
1229                 return 0;
1230
1231         while (1) {
1232                 char *this_opt = strsep(&options, ",");
1233
1234                 if (!this_opt)
1235                         break;
1236                 if (!*this_opt)
1237                         continue;
1238                 if (!strncmp(this_opt, "mode:", 5))
1239                         ps3fb_mode = simple_strtoul(this_opt + 5, NULL, 0);
1240                 else
1241                         mode_option = this_opt;
1242         }
1243         return 0;
1244 }
1245
1246 static int __init ps3fb_init(void)
1247 {
1248         if (!ps3fb_videomemory.address ||  ps3fb_setup())
1249                 return -ENXIO;
1250
1251         return ps3_system_bus_driver_register(&ps3fb_driver);
1252 }
1253
1254 static void __exit ps3fb_exit(void)
1255 {
1256         pr_debug(" -> %s:%d\n", __func__, __LINE__);
1257         ps3_system_bus_driver_unregister(&ps3fb_driver);
1258         pr_debug(" <- %s:%d\n", __func__, __LINE__);
1259 }
1260
1261 module_init(ps3fb_init);
1262 module_exit(ps3fb_exit);
1263
1264 MODULE_LICENSE("GPL");
1265 MODULE_DESCRIPTION("PS3 GPU Frame Buffer Driver");
1266 MODULE_AUTHOR("Sony Computer Entertainment Inc.");
1267 MODULE_ALIAS(PS3_MODULE_ALIAS_GRAPHICS);