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 PS3FB_FULL_MODE_BIT                     0x80
  61
  62 #define GPU_INTR_STATUS_VSYNC_0                 0       /* vsync on head A */
  63 #define GPU_INTR_STATUS_VSYNC_1                 1       /* vsync on head B */
  64 #define GPU_INTR_STATUS_FLIP_0                  3       /* flip head A */
  65 #define GPU_INTR_STATUS_FLIP_1                  4       /* flip head B */
  66 #define GPU_INTR_STATUS_QUEUE_0                 5       /* queue head A */
  67 #define GPU_INTR_STATUS_QUEUE_1                 6       /* queue head B */
  68
  69 #define GPU_DRIVER_INFO_VERSION                 0x211
  70
  71 /* gpu internals */
  72 struct display_head {
  73         u64 be_time_stamp;
  74         u32 status;
  75         u32 offset;
  76         u32 res1;
  77         u32 res2;
  78         u32 field;
  79         u32 reserved1;
  80
  81         u64 res3;
  82         u32 raster;
  83
  84         u64 vblank_count;
  85         u32 field_vsync;
  86         u32 reserved2;
  87 };
  88
  89 struct gpu_irq {
  90         u32 irq_outlet;
  91         u32 status;
  92         u32 mask;
  93         u32 video_cause;
  94         u32 graph_cause;
  95         u32 user_cause;
  96
  97         u32 res1;
  98         u64 res2;
  99
 100         u32 reserved[4];
 101 };
 102
 103 struct gpu_driver_info {
 104         u32 version_driver;
 105         u32 version_gpu;
 106         u32 memory_size;
 107         u32 hardware_channel;
 108
 109         u32 nvcore_frequency;
 110         u32 memory_frequency;
 111
 112         u32 reserved[1063];
 113         struct display_head display_head[8];
 114         struct gpu_irq irq;
 115 };
 116
 117 struct ps3fb_priv {
 118         unsigned int irq_no;
 119
 120         u64 context_handle, memory_handle;
 121         void *xdr_ea;
 122         size_t xdr_size;
 123         struct gpu_driver_info *dinfo;
 124
 125         u64 vblank_count;       /* frame count */
 126         wait_queue_head_t wait_vsync;
 127
 128         atomic_t ext_flip;      /* on/off flip with vsync */
 129         atomic_t f_count;       /* fb_open count */
 130         int is_blanked;
 131         int is_kicked;
 132         struct task_struct *task;
 133 };
 134 static struct ps3fb_priv ps3fb;
 135
 136 struct ps3fb_par {
 137         u32 pseudo_palette[16];
 138         int mode_id, new_mode_id;
 139         int res_index;
 140         unsigned int num_frames;        /* num of frame buffers */
 141         unsigned int width;
 142         unsigned int height;
 143         unsigned long full_offset;      /* start of fullscreen DDR fb */
 144         unsigned long fb_offset;        /* start of actual DDR fb */
 145         unsigned long pan_offset;
 146 };
 147
 148 struct ps3fb_res_table {
 149         u32 xres;
 150         u32 yres;
 151         u32 xoff;
 152         u32 yoff;
 153         u32 type;
 154 };
 155 #define PS3FB_RES_FULL 1
 156 static const struct ps3fb_res_table ps3fb_res[] = {
 157         /* res_x,y   margin_x,y  full */
 158         {  720,  480,  72,  48 , 0},
 159         {  720,  576,  72,  58 , 0},
 160         { 1280,  720,  78,  38 , 0},
 161         { 1920, 1080, 116,  58 , 0},
 162         /* full mode */
 163         {  720,  480,   0,   0 , PS3FB_RES_FULL},
 164         {  720,  576,   0,   0 , PS3FB_RES_FULL},
 165         { 1280,  720,   0,   0 , PS3FB_RES_FULL},
 166         { 1920, 1080,   0,   0 , PS3FB_RES_FULL},
 167         /* vesa: normally full mode */
 168         { 1280,  768,   0,   0 , 0},
 169         { 1280, 1024,   0,   0 , 0},
 170         { 1920, 1200,   0,   0 , 0},
 171         {    0,    0,   0,   0 , 0} };
 172
 173 /* default resolution */
 174 #define GPU_RES_INDEX   0               /* 720 x 480 */
 175
 176 static const struct fb_videomode ps3fb_modedb[] = {
 177     /* 60 Hz broadcast modes (modes "1" to "5") */
 178     {
 179         /* 480i */
 180         "480i", 60, 576, 384, 74074, 130, 89, 78, 57, 63, 6,
 181         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 182     },    {
 183         /* 480p */
 184         "480p", 60, 576, 384, 37037, 130, 89, 78, 57, 63, 6,
 185         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 186     },    {
 187         /* 720p */
 188         "720p", 60, 1124, 644, 13481, 298, 148, 57, 44, 80, 5,
 189         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 190     },    {
 191         /* 1080i */
 192         "1080i", 60, 1688, 964, 13481, 264, 160, 94, 62, 88, 5,
 193         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 194     },    {
 195         /* 1080p */
 196         "1080p", 60, 1688, 964, 6741, 264, 160, 94, 62, 88, 5,
 197         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 198     },
 199
 200     /* 50 Hz broadcast modes (modes "6" to "10") */
 201     {
 202         /* 576i */
 203         "576i", 50, 576, 460, 74074, 142, 83, 97, 63, 63, 5,
 204         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 205     },    {
 206         /* 576p */
 207         "576p", 50, 576, 460, 37037, 142, 83, 97, 63, 63, 5,
 208         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 209     },    {
 210         /* 720p */
 211         "720p", 50, 1124, 644, 13468, 298, 478, 57, 44, 80, 5,
 212         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 213     },    {
 214         /* 1080 */
 215         "1080i", 50, 1688, 964, 13468, 264, 600, 94, 62, 88, 5,
 216         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 217     },    {
 218         /* 1080p */
 219         "1080p", 50, 1688, 964, 6734, 264, 600, 94, 62, 88, 5,
 220         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 221     },
 222
 223     /* VESA modes (modes "11" to "13") */
 224     {
 225         /* WXGA */
 226         "wxga", 60, 1280, 768, 12924, 160, 24, 29, 3, 136, 6,
 227         0, FB_VMODE_NONINTERLACED,
 228         FB_MODE_IS_VESA
 229     }, {
 230         /* SXGA */
 231         "sxga", 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3,
 232         FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED,
 233         FB_MODE_IS_VESA
 234     }, {
 235         /* WUXGA */
 236         "wuxga", 60, 1920, 1200, 6494, 80, 48, 26, 3, 32, 6,
 237         FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED,
 238         FB_MODE_IS_VESA
 239     },
 240
 241     /* 60 Hz broadcast modes (full resolution versions of modes "1" to "5") */
 242     {
 243         /* 480if */
 244         "480if", 60, 720, 480, 74074, 58, 17, 30, 9, 63, 6,
 245         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 246     }, {
 247         /* 480pf */
 248         "480pf", 60, 720, 480, 37037, 58, 17, 30, 9, 63, 6,
 249         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 250     }, {
 251         /* 720pf */
 252         "720pf", 60, 1280, 720, 13481, 220, 70, 19, 6, 80, 5,
 253         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 254     }, {
 255         /* 1080if */
 256         "1080if", 60, 1920, 1080, 13481, 148, 44, 36, 4, 88, 5,
 257         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 258     }, {
 259         /* 1080pf */
 260         "1080pf", 60, 1920, 1080, 6741, 148, 44, 36, 4, 88, 5,
 261         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 262     },
 263
 264     /* 50 Hz broadcast modes (full resolution versions of modes "6" to "10") */
 265     {
 266         /* 576if */
 267         "576if", 50, 720, 576, 74074, 70, 11, 39, 5, 63, 5,
 268         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 269     }, {
 270         /* 576pf */
 271         "576pf", 50, 720, 576, 37037, 70, 11, 39, 5, 63, 5,
 272         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 273     }, {
 274         /* 720pf */
 275         "720pf", 50, 1280, 720, 13468, 220, 400, 19, 6, 80, 5,
 276         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 277     }, {
 278         /* 1080if */
 279         "1080f", 50, 1920, 1080, 13468, 148, 484, 36, 4, 88, 5,
 280         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 281     }, {
 282         /* 1080pf */
 283         "1080pf", 50, 1920, 1080, 6734, 148, 484, 36, 4, 88, 5,
 284         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 285     }
 286 };
 287
 288
 289 #define HEAD_A
 290 #define HEAD_B
 291
 292 #define X_OFF(i)        (ps3fb_res[i].xoff)     /* left/right margin (pixel) */
 293 #define Y_OFF(i)        (ps3fb_res[i].yoff)     /* top/bottom margin (pixel) */
 294 #define WIDTH(i)        (ps3fb_res[i].xres)     /* width of FB */
 295 #define HEIGHT(i)       (ps3fb_res[i].yres)     /* height of FB */
 296 #define BPP             4                       /* number of bytes per pixel */
 297
 298 /* Start of the virtual frame buffer (relative to fullscreen ) */
 299 #define VP_OFF(i)       ((WIDTH(i) * Y_OFF(i) + X_OFF(i)) * BPP)
 300
 301
 302 static int ps3fb_mode;
 303 module_param(ps3fb_mode, int, 0);
 304
 305 static char *mode_option __devinitdata;
 306
 307 static int ps3fb_get_res_table(u32 xres, u32 yres, int mode)
 308 {
 309         int full_mode;
 310         unsigned int i;
 311         u32 x, y, f;
 312
 313         full_mode = (mode & PS3FB_FULL_MODE_BIT) ? PS3FB_RES_FULL : 0;
 314         for (i = 0;; i++) {
 315                 x = ps3fb_res[i].xres;
 316                 y = ps3fb_res[i].yres;
 317                 f = ps3fb_res[i].type;
 318
 319                 if (!x) {
 320                         pr_debug("ERROR: ps3fb_get_res_table()\n");
 321                         return -1;
 322                 }
 323
 324                 if (full_mode == PS3FB_RES_FULL && f != PS3FB_RES_FULL)
 325                         continue;
 326
 327                 if (x == xres && (yres == 0 || y == yres))
 328                         break;
 329
 330                 x = x - 2 * ps3fb_res[i].xoff;
 331                 y = y - 2 * ps3fb_res[i].yoff;
 332                 if (x == xres && (yres == 0 || y == yres))
 333                         break;
 334         }
 335         return i;
 336 }
 337
 338 static unsigned int ps3fb_find_mode(const struct fb_var_screeninfo *var,
 339                                     u32 *ddr_line_length, u32 *xdr_line_length)
 340 {
 341         unsigned int i, fi, mode;
 342
 343         for (i = 0; i < ARRAY_SIZE(ps3fb_modedb); i++)
 344                 if (var->xres == ps3fb_modedb[i].xres &&
 345                     var->yres == ps3fb_modedb[i].yres &&
 346                     var->pixclock == ps3fb_modedb[i].pixclock &&
 347                     var->hsync_len == ps3fb_modedb[i].hsync_len &&
 348                     var->vsync_len == ps3fb_modedb[i].vsync_len &&
 349                     var->left_margin == ps3fb_modedb[i].left_margin &&
 350                     var->right_margin == ps3fb_modedb[i].right_margin &&
 351                     var->upper_margin == ps3fb_modedb[i].upper_margin &&
 352                     var->lower_margin == ps3fb_modedb[i].lower_margin &&
 353                     var->sync == ps3fb_modedb[i].sync &&
 354                     (var->vmode & FB_VMODE_MASK) == ps3fb_modedb[i].vmode)
 355                         goto found;
 356
 357         pr_debug("ps3fb_find_mode: mode not found\n");
 358         return 0;
 359
 360 found:
 361         /* Cropped broadcast modes use the full line length */
 362         fi = i < PS3AV_MODE_1080P50 ? i + PS3AV_MODE_WUXGA : i;
 363         *ddr_line_length = ps3fb_modedb[fi].xres * BPP;
 364
 365         if (ps3_compare_firmware_version(1, 9, 0) >= 0) {
 366                 *xdr_line_length = GPU_ALIGN_UP(max(var->xres,
 367                                                     var->xres_virtual) * BPP);
 368                 if (*xdr_line_length > GPU_MAX_LINE_LENGTH)
 369                         *xdr_line_length = GPU_MAX_LINE_LENGTH;
 370         } else
 371                 *xdr_line_length = *ddr_line_length;
 372
 373         /* Full broadcast modes have the full mode bit set */
 374         mode = i+1;
 375         if (mode > PS3AV_MODE_WUXGA)
 376                 mode = (mode - PS3AV_MODE_WUXGA) | PS3FB_FULL_MODE_BIT;
 377
 378         pr_debug("ps3fb_find_mode: mode %u\n", mode);
 379
 380         return mode;
 381 }
 382
 383 static const struct fb_videomode *ps3fb_default_mode(int id)
 384 {
 385         u32 mode = id & PS3AV_MODE_MASK;
 386         u32 flags;
 387
 388         if (mode < PS3AV_MODE_480I || mode > PS3AV_MODE_WUXGA)
 389                 return NULL;
 390
 391         flags = id & ~PS3AV_MODE_MASK;
 392
 393         if (mode <= PS3AV_MODE_1080P50 && flags & PS3FB_FULL_MODE_BIT) {
 394                 /* Full broadcast mode */
 395                 return &ps3fb_modedb[mode + PS3AV_MODE_WUXGA - 1];
 396         }
 397
 398         return &ps3fb_modedb[mode - 1];
 399 }
 400
 401 static void ps3fb_sync_image(struct device *dev, u64 frame_offset,
 402                              u64 dst_offset, u64 src_offset, u32 width,
 403                              u32 height, u32 dst_line_length,
 404                              u32 src_line_length)
 405 {
 406         int status;
 407         u64 line_length;
 408
 409         line_length = dst_line_length;
 410         if (src_line_length != dst_line_length)
 411                 line_length |= (u64)src_line_length << 32;
 412
 413         src_offset += GPU_FB_START;
 414         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 415                                            L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT,
 416                                            dst_offset, GPU_IOIF + src_offset,
 417                                            L1GPU_FB_BLIT_WAIT_FOR_COMPLETION |
 418                                            (width << 16) | height,
 419                                            line_length);
 420         if (status)
 421                 dev_err(dev,
 422                         "%s: lv1_gpu_context_attribute FB_BLIT failed: %d\n",
 423                         __func__, status);
 424 #ifdef HEAD_A
 425         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 426                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
 427                                            0, frame_offset, 0, 0);
 428         if (status)
 429                 dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
 430                         __func__, status);
 431 #endif
 432 #ifdef HEAD_B
 433         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 434                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
 435                                            1, frame_offset, 0, 0);
 436         if (status)
 437                 dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
 438                         __func__, status);
 439 #endif
 440 }
 441
 442 static int ps3fb_sync(struct fb_info *info, u32 frame)
 443 {
 444         struct ps3fb_par *par = info->par;
 445         int i, error = 0;
 446         u32 ddr_line_length, xdr_line_length;
 447         u64 ddr_base, xdr_base;
 448
 449         if (frame > par->num_frames - 1) {
 450                 dev_dbg(info->device, "%s: invalid frame number (%u)\n",
 451                         __func__, frame);
 452                 error = -EINVAL;
 453                 goto out;
 454         }
 455
 456         i = par->res_index;
 457         xdr_line_length = info->fix.line_length;
 458         ddr_line_length = ps3fb_res[i].xres * BPP;
 459         xdr_base = frame * info->var.yres_virtual * xdr_line_length;
 460         ddr_base = frame * ps3fb_res[i].yres * ddr_line_length;
 461
 462         ps3fb_sync_image(info->device, ddr_base + par->full_offset,
 463                          ddr_base + par->fb_offset, xdr_base + par->pan_offset,
 464                          par->width, par->height, ddr_line_length,
 465                          xdr_line_length);
 466
 467 out:
 468         return error;
 469 }
 470
 471 static int ps3fb_open(struct fb_info *info, int user)
 472 {
 473         atomic_inc(&ps3fb.f_count);
 474         return 0;
 475 }
 476
 477 static int ps3fb_release(struct fb_info *info, int user)
 478 {
 479         if (atomic_dec_and_test(&ps3fb.f_count)) {
 480                 if (atomic_read(&ps3fb.ext_flip)) {
 481                         atomic_set(&ps3fb.ext_flip, 0);
 482                         if (!try_acquire_console_sem()) {
 483                                 ps3fb_sync(info, 0);    /* single buffer */
 484                                 release_console_sem();
 485                         }
 486                 }
 487         }
 488         return 0;
 489 }
 490
 491     /*
 492      *  Setting the video mode has been split into two parts.
 493      *  First part, xxxfb_check_var, must not write anything
 494      *  to hardware, it should only verify and adjust var.
 495      *  This means it doesn't alter par but it does use hardware
 496      *  data from it to check this var.
 497      */
 498
 499 static int ps3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 500 {
 501         u32 xdr_line_length, ddr_line_length;
 502         int mode;
 503
 504         dev_dbg(info->device, "var->xres:%u info->var.xres:%u\n", var->xres,
 505                 info->var.xres);
 506         dev_dbg(info->device, "var->yres:%u info->var.yres:%u\n", var->yres,
 507                 info->var.yres);
 508
 509         /* FIXME For now we do exact matches only */
 510         mode = ps3fb_find_mode(var, &ddr_line_length, &xdr_line_length);
 511         if (!mode)
 512                 return -EINVAL;
 513
 514         /* Virtual screen */
 515         if (var->xres_virtual < var->xres)
 516                 var->xres_virtual = var->xres;
 517         if (var->yres_virtual < var->yres)
 518                 var->yres_virtual = var->yres;
 519
 520         if (var->xres_virtual > xdr_line_length / BPP) {
 521                 dev_dbg(info->device,
 522                         "Horizontal virtual screen size too large\n");
 523                 return -EINVAL;
 524         }
 525
 526         if (var->xoffset + var->xres > var->xres_virtual ||
 527             var->yoffset + var->yres > var->yres_virtual) {
 528                 dev_dbg(info->device, "panning out-of-range\n");
 529                 return -EINVAL;
 530         }
 531
 532         /* We support ARGB8888 only */
 533         if (var->bits_per_pixel > 32 || var->grayscale ||
 534             var->red.offset > 16 || var->green.offset > 8 ||
 535             var->blue.offset > 0 || var->transp.offset > 24 ||
 536             var->red.length > 8 || var->green.length > 8 ||
 537             var->blue.length > 8 || var->transp.length > 8 ||
 538             var->red.msb_right || var->green.msb_right ||
 539             var->blue.msb_right || var->transp.msb_right || var->nonstd) {
 540                 dev_dbg(info->device, "We support ARGB8888 only\n");
 541                 return -EINVAL;
 542         }
 543
 544         var->bits_per_pixel = 32;
 545         var->red.offset = 16;
 546         var->green.offset = 8;
 547         var->blue.offset = 0;
 548         var->transp.offset = 24;
 549         var->red.length = 8;
 550         var->green.length = 8;
 551         var->blue.length = 8;
 552         var->transp.length = 8;
 553         var->red.msb_right = 0;
 554         var->green.msb_right = 0;
 555         var->blue.msb_right = 0;
 556         var->transp.msb_right = 0;
 557
 558         /* Rotation is not supported */
 559         if (var->rotate) {
 560                 dev_dbg(info->device, "Rotation is not supported\n");
 561                 return -EINVAL;
 562         }
 563
 564         /* Memory limit */
 565         if (var->yres_virtual * xdr_line_length > ps3fb.xdr_size) {
 566                 dev_dbg(info->device, "Not enough memory\n");
 567                 return -ENOMEM;
 568         }
 569
 570         var->height = -1;
 571         var->width = -1;
 572
 573         return 0;
 574 }
 575
 576     /*
 577      * This routine actually sets the video mode.
 578      */
 579
 580 static int ps3fb_set_par(struct fb_info *info)
 581 {
 582         struct ps3fb_par *par = info->par;
 583         unsigned int mode, ddr_line_length, xdr_line_length, lines, maxlines;
 584         int i;
 585         unsigned long offset;
 586         u64 dst;
 587
 588         dev_dbg(info->device, "xres:%d xv:%d yres:%d yv:%d clock:%d\n",
 589                 info->var.xres, info->var.xres_virtual,
 590                 info->var.yres, info->var.yres_virtual, info->var.pixclock);
 591
 592         mode = ps3fb_find_mode(&info->var, &ddr_line_length, &xdr_line_length);
 593         if (!mode)
 594                 return -EINVAL;
 595
 596         i = ps3fb_get_res_table(info->var.xres, info->var.yres, mode);
 597         par->res_index = i;
 598
 599         info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea);
 600         info->fix.smem_len = ps3fb.xdr_size;
 601         info->fix.xpanstep = info->var.xres_virtual > info->var.xres ? 1 : 0;
 602         info->fix.ypanstep = info->var.yres_virtual > info->var.yres ? 1 : 0;
 603         info->fix.line_length = xdr_line_length;
 604
 605         info->screen_base = (char __iomem *)ps3fb.xdr_ea;
 606
 607         par->num_frames = ps3fb.xdr_size /
 608                           max(ps3fb_res[i].yres * ddr_line_length,
 609                               info->var.yres_virtual * xdr_line_length);
 610
 611         /* Keep the special bits we cannot set using fb_var_screeninfo */
 612         par->new_mode_id = (par->new_mode_id & ~PS3AV_MODE_MASK) | mode;
 613
 614         par->width = info->var.xres;
 615         par->height = info->var.yres;
 616         offset = VP_OFF(i);
 617         par->fb_offset = GPU_ALIGN_UP(offset);
 618         par->full_offset = par->fb_offset - offset;
 619         par->pan_offset = info->var.yoffset * xdr_line_length +
 620                           info->var.xoffset * BPP;
 621
 622         if (par->new_mode_id != par->mode_id) {
 623                 if (ps3av_set_video_mode(par->new_mode_id)) {
 624                         par->new_mode_id = par->mode_id;
 625                         return -EINVAL;
 626                 }
 627                 par->mode_id = par->new_mode_id;
 628         }
 629
 630         /* Clear XDR frame buffer memory */
 631         memset(ps3fb.xdr_ea, 0, ps3fb.xdr_size);
 632
 633         /* Clear DDR frame buffer memory */
 634         lines = ps3fb_res[i].yres * par->num_frames;
 635         if (par->full_offset)
 636                 lines++;
 637         maxlines = ps3fb.xdr_size / ddr_line_length;
 638         for (dst = 0; lines; dst += maxlines * ddr_line_length) {
 639                 unsigned int l = min(lines, maxlines);
 640                 ps3fb_sync_image(info->device, 0, dst, 0, ps3fb_res[i].xres, l,
 641                                  ddr_line_length, ddr_line_length);
 642                 lines -= l;
 643         }
 644
 645         return 0;
 646 }
 647
 648     /*
 649      *  Set a single color register. The values supplied are already
 650      *  rounded down to the hardware's capabilities (according to the
 651      *  entries in the var structure). Return != 0 for invalid regno.
 652      */
 653
 654 static int ps3fb_setcolreg(unsigned int regno, unsigned int red,
 655                            unsigned int green, unsigned int blue,
 656                            unsigned int transp, struct fb_info *info)
 657 {
 658         if (regno >= 16)
 659                 return 1;
 660
 661         red >>= 8;
 662         green >>= 8;
 663         blue >>= 8;
 664         transp >>= 8;
 665
 666         ((u32 *)info->pseudo_palette)[regno] = transp << 24 | red << 16 |
 667                                                green << 8 | blue;
 668         return 0;
 669 }
 670
 671 static int ps3fb_pan_display(struct fb_var_screeninfo *var,
 672                              struct fb_info *info)
 673 {
 674         struct ps3fb_par *par = info->par;
 675
 676         par->pan_offset = var->yoffset * info->fix.line_length +
 677                           var->xoffset * BPP;
 678         return 0;
 679 }
 680
 681     /*
 682      *  As we have a virtual frame buffer, we need our own mmap function
 683      */
 684
 685 static int ps3fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
 686 {
 687         unsigned long size, offset;
 688
 689         size = vma->vm_end - vma->vm_start;
 690         offset = vma->vm_pgoff << PAGE_SHIFT;
 691         if (offset + size > info->fix.smem_len)
 692                 return -EINVAL;
 693
 694         offset += info->fix.smem_start;
 695         if (remap_pfn_range(vma, vma->vm_start, offset >> PAGE_SHIFT,
 696                             size, vma->vm_page_prot))
 697                 return -EAGAIN;
 698
 699         dev_dbg(info->device, "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n",
 700                 offset, vma->vm_start);
 701         return 0;
 702 }
 703
 704     /*
 705      * Blank the display
 706      */
 707
 708 static int ps3fb_blank(int blank, struct fb_info *info)
 709 {
 710         int retval;
 711
 712         dev_dbg(info->device, "%s: blank:%d\n", __func__, blank);
 713         switch (blank) {
 714         case FB_BLANK_POWERDOWN:
 715         case FB_BLANK_HSYNC_SUSPEND:
 716         case FB_BLANK_VSYNC_SUSPEND:
 717         case FB_BLANK_NORMAL:
 718                 retval = ps3av_video_mute(1);   /* mute on */
 719                 if (!retval)
 720                         ps3fb.is_blanked = 1;
 721                 break;
 722
 723         default:                /* unblank */
 724                 retval = ps3av_video_mute(0);   /* mute off */
 725                 if (!retval)
 726                         ps3fb.is_blanked = 0;
 727                 break;
 728         }
 729         return retval;
 730 }
 731
 732 static int ps3fb_get_vblank(struct fb_vblank *vblank)
 733 {
 734         memset(vblank, 0, sizeof(*vblank));
 735         vblank->flags = FB_VBLANK_HAVE_VSYNC;
 736         return 0;
 737 }
 738
 739 static int ps3fb_wait_for_vsync(u32 crtc)
 740 {
 741         int ret;
 742         u64 count;
 743
 744         count = ps3fb.vblank_count;
 745         ret = wait_event_interruptible_timeout(ps3fb.wait_vsync,
 746                                                count != ps3fb.vblank_count,
 747                                                HZ / 10);
 748         if (!ret)
 749                 return -ETIMEDOUT;
 750
 751         return 0;
 752 }
 753
 754 static void ps3fb_flip_ctl(int on, void *data)
 755 {
 756         struct ps3fb_priv *priv = data;
 757         if (on)
 758                 atomic_dec_if_positive(&priv->ext_flip);
 759         else
 760                 atomic_inc(&priv->ext_flip);
 761 }
 762
 763
 764     /*
 765      * ioctl
 766      */
 767
 768 static int ps3fb_ioctl(struct fb_info *info, unsigned int cmd,
 769                        unsigned long arg)
 770 {
 771         void __user *argp = (void __user *)arg;
 772         u32 val;
 773         int retval = -EFAULT;
 774
 775         switch (cmd) {
 776         case FBIOGET_VBLANK:
 777                 {
 778                         struct fb_vblank vblank;
 779                         dev_dbg(info->device, "FBIOGET_VBLANK:\n");
 780                         retval = ps3fb_get_vblank(&vblank);
 781                         if (retval)
 782                                 break;
 783
 784                         if (copy_to_user(argp, &vblank, sizeof(vblank)))
 785                                 retval = -EFAULT;
 786                         break;
 787                 }
 788
 789         case FBIO_WAITFORVSYNC:
 790                 {
 791                         u32 crt;
 792                         dev_dbg(info->device, "FBIO_WAITFORVSYNC:\n");
 793                         if (get_user(crt, (u32 __user *) arg))
 794                                 break;
 795
 796                         retval = ps3fb_wait_for_vsync(crt);
 797                         break;
 798                 }
 799
 800         case PS3FB_IOCTL_SETMODE:
 801                 {
 802                         struct ps3fb_par *par = info->par;
 803                         const struct fb_videomode *mode;
 804                         struct fb_var_screeninfo var;
 805
 806                         if (copy_from_user(&val, argp, sizeof(val)))
 807                                 break;
 808
 809                         if (!(val & PS3AV_MODE_MASK)) {
 810                                 u32 id = ps3av_get_auto_mode();
 811                                 if (id > 0)
 812                                         val = (val & ~PS3AV_MODE_MASK) | id;
 813                         }
 814                         dev_dbg(info->device, "PS3FB_IOCTL_SETMODE:%x\n", val);
 815                         retval = -EINVAL;
 816                         mode = ps3fb_default_mode(val);
 817                         if (mode) {
 818                                 var = info->var;
 819                                 fb_videomode_to_var(&var, mode);
 820                                 acquire_console_sem();
 821                                 info->flags |= FBINFO_MISC_USEREVENT;
 822                                 /* Force, in case only special bits changed */
 823                                 var.activate |= FB_ACTIVATE_FORCE;
 824                                 par->new_mode_id = val;
 825                                 retval = fb_set_var(info, &var);
 826                                 info->flags &= ~FBINFO_MISC_USEREVENT;
 827                                 release_console_sem();
 828                         }
 829                         break;
 830                 }
 831
 832         case PS3FB_IOCTL_GETMODE:
 833                 val = ps3av_get_mode();
 834                 dev_dbg(info->device, "PS3FB_IOCTL_GETMODE:%x\n", val);
 835                 if (!copy_to_user(argp, &val, sizeof(val)))
 836                         retval = 0;
 837                 break;
 838
 839         case PS3FB_IOCTL_SCREENINFO:
 840                 {
 841                         struct ps3fb_par *par = info->par;
 842                         struct ps3fb_ioctl_res res;
 843                         dev_dbg(info->device, "PS3FB_IOCTL_SCREENINFO:\n");
 844                         res.xres = info->fix.line_length / BPP;
 845                         res.yres = info->var.yres_virtual;
 846                         res.xoff = (res.xres - info->var.xres) / 2;
 847                         res.yoff = (res.yres - info->var.yres) / 2;
 848                         res.num_frames = par->num_frames;
 849                         if (!copy_to_user(argp, &res, sizeof(res)))
 850                                 retval = 0;
 851                         break;
 852                 }
 853
 854         case PS3FB_IOCTL_ON:
 855                 dev_dbg(info->device, "PS3FB_IOCTL_ON:\n");
 856                 atomic_inc(&ps3fb.ext_flip);
 857                 retval = 0;
 858                 break;
 859
 860         case PS3FB_IOCTL_OFF:
 861                 dev_dbg(info->device, "PS3FB_IOCTL_OFF:\n");
 862                 atomic_dec_if_positive(&ps3fb.ext_flip);
 863                 retval = 0;
 864                 break;
 865
 866         case PS3FB_IOCTL_FSEL:
 867                 if (copy_from_user(&val, argp, sizeof(val)))
 868                         break;
 869
 870                 dev_dbg(info->device, "PS3FB_IOCTL_FSEL:%d\n", val);
 871                 acquire_console_sem();
 872                 retval = ps3fb_sync(info, val);
 873                 release_console_sem();
 874                 break;
 875
 876         default:
 877                 retval = -ENOIOCTLCMD;
 878                 break;
 879         }
 880         return retval;
 881 }
 882
 883 static int ps3fbd(void *arg)
 884 {
 885         struct fb_info *info = arg;
 886
 887         set_freezable();
 888         while (!kthread_should_stop()) {
 889                 try_to_freeze();
 890                 set_current_state(TASK_INTERRUPTIBLE);
 891                 if (ps3fb.is_kicked) {
 892                         ps3fb.is_kicked = 0;
 893                         acquire_console_sem();
 894                         ps3fb_sync(info, 0);    /* single buffer */
 895                         release_console_sem();
 896                 }
 897                 schedule();
 898         }
 899         return 0;
 900 }
 901
 902 static irqreturn_t ps3fb_vsync_interrupt(int irq, void *ptr)
 903 {
 904         struct device *dev = ptr;
 905         u64 v1;
 906         int status;
 907         struct display_head *head = &ps3fb.dinfo->display_head[1];
 908
 909         status = lv1_gpu_context_intr(ps3fb.context_handle, &v1);
 910         if (status) {
 911                 dev_err(dev, "%s: lv1_gpu_context_intr failed: %d\n", __func__,
 912                         status);
 913                 return IRQ_NONE;
 914         }
 915
 916         if (v1 & (1 << GPU_INTR_STATUS_VSYNC_1)) {
 917                 /* VSYNC */
 918                 ps3fb.vblank_count = head->vblank_count;
 919                 if (ps3fb.task && !ps3fb.is_blanked &&
 920                     !atomic_read(&ps3fb.ext_flip)) {
 921                         ps3fb.is_kicked = 1;
 922                         wake_up_process(ps3fb.task);
 923                 }
 924                 wake_up_interruptible(&ps3fb.wait_vsync);
 925         }
 926
 927         return IRQ_HANDLED;
 928 }
 929
 930
 931 static int ps3fb_vsync_settings(struct gpu_driver_info *dinfo,
 932                                 struct device *dev)
 933 {
 934         int error;
 935
 936         dev_dbg(dev, "version_driver:%x\n", dinfo->version_driver);
 937         dev_dbg(dev, "irq outlet:%x\n", dinfo->irq.irq_outlet);
 938         dev_dbg(dev,
 939                 "version_gpu: %x memory_size: %x ch: %x core_freq: %d "
 940                 "mem_freq:%d\n",
 941                 dinfo->version_gpu, dinfo->memory_size, dinfo->hardware_channel,
 942                 dinfo->nvcore_frequency/1000000, dinfo->memory_frequency/1000000);
 943
 944         if (dinfo->version_driver != GPU_DRIVER_INFO_VERSION) {
 945                 dev_err(dev, "%s: version_driver err:%x\n", __func__,
 946                         dinfo->version_driver);
 947                 return -EINVAL;
 948         }
 949
 950         error = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet,
 951                                    &ps3fb.irq_no);
 952         if (error) {
 953                 dev_err(dev, "%s: ps3_alloc_irq failed %d\n", __func__, error);
 954                 return error;
 955         }
 956
 957         error = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt, IRQF_DISABLED,
 958                             DEVICE_NAME, dev);
 959         if (error) {
 960                 dev_err(dev, "%s: request_irq failed %d\n", __func__, error);
 961                 ps3_irq_plug_destroy(ps3fb.irq_no);
 962                 return error;
 963         }
 964
 965         dinfo->irq.mask = (1 << GPU_INTR_STATUS_VSYNC_1) |
 966                           (1 << GPU_INTR_STATUS_FLIP_1);
 967         return 0;
 968 }
 969
 970 static int ps3fb_xdr_settings(u64 xdr_lpar, struct device *dev)
 971 {
 972         int status;
 973
 974         status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF,
 975                                        xdr_lpar, ps3fb_videomemory.size, 0);
 976         if (status) {
 977                 dev_err(dev, "%s: lv1_gpu_context_iomap failed: %d\n",
 978                         __func__, status);
 979                 return -ENXIO;
 980         }
 981         dev_dbg(dev,
 982                 "video:%p xdr_ea:%p ioif:%lx lpar:%lx phys:%lx size:%lx\n",
 983                 ps3fb_videomemory.address, ps3fb.xdr_ea, GPU_IOIF, xdr_lpar,
 984                 virt_to_abs(ps3fb.xdr_ea), ps3fb_videomemory.size);
 985
 986         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 987                                            L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP,
 988                                            xdr_lpar, GPU_CMD_BUF_SIZE,
 989                                            GPU_IOIF, 0);
 990         if (status) {
 991                 dev_err(dev,
 992                         "%s: lv1_gpu_context_attribute FB_SETUP failed: %d\n",
 993                         __func__, status);
 994                 return -ENXIO;
 995         }
 996         return 0;
 997 }
 998
 999 static struct fb_ops ps3fb_ops = {
1000         .fb_open        = ps3fb_open,
1001         .fb_release     = ps3fb_release,
1002         .fb_read        = fb_sys_read,
1003         .fb_write       = fb_sys_write,
1004         .fb_check_var   = ps3fb_check_var,
1005         .fb_set_par     = ps3fb_set_par,
1006         .fb_setcolreg   = ps3fb_setcolreg,
1007         .fb_pan_display = ps3fb_pan_display,
1008         .fb_fillrect    = sys_fillrect,
1009         .fb_copyarea    = sys_copyarea,
1010         .fb_imageblit   = sys_imageblit,
1011         .fb_mmap        = ps3fb_mmap,
1012         .fb_blank       = ps3fb_blank,
1013         .fb_ioctl       = ps3fb_ioctl,
1014         .fb_compat_ioctl = ps3fb_ioctl
1015 };
1016
1017 static struct fb_fix_screeninfo ps3fb_fix __initdata = {
1018         .id =           DEVICE_NAME,
1019         .type =         FB_TYPE_PACKED_PIXELS,
1020         .visual =       FB_VISUAL_TRUECOLOR,
1021         .accel =        FB_ACCEL_NONE,
1022 };
1023
1024 static int ps3fb_set_sync(struct device *dev)
1025 {
1026         int status;
1027
1028 #ifdef HEAD_A
1029         status = lv1_gpu_context_attribute(0x0,
1030                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
1031                                            0, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
1032         if (status) {
1033                 dev_err(dev,
1034                         "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
1035                         "%d\n",
1036                         __func__, status);
1037                 return -1;
1038         }
1039 #endif
1040 #ifdef HEAD_B
1041         status = lv1_gpu_context_attribute(0x0,
1042                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
1043                                            1, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
1044
1045         if (status) {
1046                 dev_err(dev,
1047                         "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
1048                         "%d\n",
1049                         __func__, status);
1050                 return -1;
1051         }
1052 #endif
1053         return 0;
1054 }
1055
1056 static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev)
1057 {
1058         struct fb_info *info;
1059         struct ps3fb_par *par;
1060         int retval = -ENOMEM;
1061         u32 xres, yres;
1062         u64 ddr_lpar = 0;
1063         u64 lpar_dma_control = 0;
1064         u64 lpar_driver_info = 0;
1065         u64 lpar_reports = 0;
1066         u64 lpar_reports_size = 0;
1067         u64 xdr_lpar;
1068         int status, res_index;
1069         struct task_struct *task;
1070         unsigned long max_ps3fb_size;
1071
1072         if (ps3fb_videomemory.size < GPU_CMD_BUF_SIZE) {
1073                 dev_err(&dev->core, "%s: Not enough video memory\n", __func__);
1074                 return -ENOMEM;
1075         }
1076
1077         status = ps3_open_hv_device(dev);
1078         if (status) {
1079                 dev_err(&dev->core, "%s: ps3_open_hv_device failed\n",
1080                         __func__);
1081                 goto err;
1082         }
1083
1084         if (!ps3fb_mode)
1085                 ps3fb_mode = ps3av_get_mode();
1086         dev_dbg(&dev->core, "ps3fb_mode: %d\n", ps3fb_mode);
1087
1088         if (ps3fb_mode > 0 &&
1089             !ps3av_video_mode2res(ps3fb_mode, &xres, &yres)) {
1090                 res_index = ps3fb_get_res_table(xres, yres, ps3fb_mode);
1091                 dev_dbg(&dev->core, "res_index:%d\n", res_index);
1092         } else
1093                 res_index = GPU_RES_INDEX;
1094
1095         atomic_set(&ps3fb.f_count, -1); /* fbcon opens ps3fb */
1096         atomic_set(&ps3fb.ext_flip, 0); /* for flip with vsync */
1097         init_waitqueue_head(&ps3fb.wait_vsync);
1098
1099         ps3fb_set_sync(&dev->core);
1100
1101         max_ps3fb_size = _ALIGN_UP(GPU_IOIF, 256*1024*1024) - GPU_IOIF;
1102         if (ps3fb_videomemory.size > max_ps3fb_size) {
1103                 dev_info(&dev->core, "Limiting ps3fb mem size to %lu bytes\n",
1104                          max_ps3fb_size);
1105                 ps3fb_videomemory.size = max_ps3fb_size;
1106         }
1107
1108         /* get gpu context handle */
1109         status = lv1_gpu_memory_allocate(ps3fb_videomemory.size, 0, 0, 0, 0,
1110                                          &ps3fb.memory_handle, &ddr_lpar);
1111         if (status) {
1112                 dev_err(&dev->core, "%s: lv1_gpu_memory_allocate failed: %d\n",
1113                         __func__, status);
1114                 goto err;
1115         }
1116         dev_dbg(&dev->core, "ddr:lpar:0x%lx\n", ddr_lpar);
1117
1118         status = lv1_gpu_context_allocate(ps3fb.memory_handle, 0,
1119                                           &ps3fb.context_handle,
1120                                           &lpar_dma_control, &lpar_driver_info,
1121                                           &lpar_reports, &lpar_reports_size);
1122         if (status) {
1123                 dev_err(&dev->core,
1124                         "%s: lv1_gpu_context_attribute failed: %d\n", __func__,
1125                         status);
1126                 goto err_gpu_memory_free;
1127         }
1128
1129         /* vsync interrupt */
1130         ps3fb.dinfo = ioremap(lpar_driver_info, 128 * 1024);
1131         if (!ps3fb.dinfo) {
1132                 dev_err(&dev->core, "%s: ioremap failed\n", __func__);
1133                 goto err_gpu_context_free;
1134         }
1135
1136         retval = ps3fb_vsync_settings(ps3fb.dinfo, &dev->core);
1137         if (retval)
1138                 goto err_iounmap_dinfo;
1139
1140         /* XDR frame buffer */
1141         ps3fb.xdr_ea = ps3fb_videomemory.address;
1142         xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb.xdr_ea));
1143
1144         /* Clear memory to prevent kernel info leakage into userspace */
1145         memset(ps3fb.xdr_ea, 0, ps3fb_videomemory.size);
1146
1147         /*
1148          * The GPU command buffer is at the start of video memory
1149          * As we don't use the full command buffer, we can put the actual
1150          * frame buffer at offset GPU_FB_START and save some precious XDR
1151          * memory
1152          */
1153         ps3fb.xdr_ea += GPU_FB_START;
1154         ps3fb.xdr_size = ps3fb_videomemory.size - GPU_FB_START;
1155
1156         retval = ps3fb_xdr_settings(xdr_lpar, &dev->core);
1157         if (retval)
1158                 goto err_free_irq;
1159
1160         info = framebuffer_alloc(sizeof(struct ps3fb_par), &dev->core);
1161         if (!info)
1162                 goto err_free_irq;
1163
1164         par = info->par;
1165         par->mode_id = ~ps3fb_mode;     /* != ps3fb_mode, to trigger change */
1166         par->new_mode_id = ps3fb_mode;
1167         par->res_index = res_index;
1168         par->num_frames = 1;
1169
1170         info->screen_base = (char __iomem *)ps3fb.xdr_ea;
1171         info->fbops = &ps3fb_ops;
1172
1173         info->fix = ps3fb_fix;
1174         info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea);
1175         info->fix.smem_len = ps3fb.xdr_size;
1176         info->pseudo_palette = par->pseudo_palette;
1177         info->flags = FBINFO_DEFAULT | FBINFO_READS_FAST |
1178                       FBINFO_HWACCEL_XPAN | FBINFO_HWACCEL_YPAN;
1179
1180         retval = fb_alloc_cmap(&info->cmap, 256, 0);
1181         if (retval < 0)
1182                 goto err_framebuffer_release;
1183
1184         if (!fb_find_mode(&info->var, info, mode_option, ps3fb_modedb,
1185                           ARRAY_SIZE(ps3fb_modedb),
1186                           ps3fb_default_mode(par->new_mode_id), 32)) {
1187                 retval = -EINVAL;
1188                 goto err_fb_dealloc;
1189         }
1190
1191         fb_videomode_to_modelist(ps3fb_modedb, ARRAY_SIZE(ps3fb_modedb),
1192                                  &info->modelist);
1193
1194         retval = register_framebuffer(info);
1195         if (retval < 0)
1196                 goto err_fb_dealloc;
1197
1198         dev->core.driver_data = info;
1199
1200         dev_info(info->device, "%s %s, using %lu KiB of video memory\n",
1201                  dev_driver_string(info->dev), info->dev->bus_id,
1202                  ps3fb.xdr_size >> 10);
1203
1204         task = kthread_run(ps3fbd, info, DEVICE_NAME);
1205         if (IS_ERR(task)) {
1206                 retval = PTR_ERR(task);
1207                 goto err_unregister_framebuffer;
1208         }
1209
1210         ps3fb.task = task;
1211         ps3av_register_flip_ctl(ps3fb_flip_ctl, &ps3fb);
1212
1213         return 0;
1214
1215 err_unregister_framebuffer:
1216         unregister_framebuffer(info);
1217 err_fb_dealloc:
1218         fb_dealloc_cmap(&info->cmap);
1219 err_framebuffer_release:
1220         framebuffer_release(info);
1221 err_free_irq:
1222         free_irq(ps3fb.irq_no, &dev->core);
1223         ps3_irq_plug_destroy(ps3fb.irq_no);
1224 err_iounmap_dinfo:
1225         iounmap((u8 __iomem *)ps3fb.dinfo);
1226 err_gpu_context_free:
1227         lv1_gpu_context_free(ps3fb.context_handle);
1228 err_gpu_memory_free:
1229         lv1_gpu_memory_free(ps3fb.memory_handle);
1230 err:
1231         return retval;
1232 }
1233
1234 static int ps3fb_shutdown(struct ps3_system_bus_device *dev)
1235 {
1236         int status;
1237         struct fb_info *info = dev->core.driver_data;
1238
1239         dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
1240
1241         ps3fb_flip_ctl(0, &ps3fb);      /* flip off */
1242         ps3fb.dinfo->irq.mask = 0;
1243
1244         ps3av_register_flip_ctl(NULL, NULL);
1245         if (ps3fb.task) {
1246                 struct task_struct *task = ps3fb.task;
1247                 ps3fb.task = NULL;
1248                 kthread_stop(task);
1249         }
1250         if (ps3fb.irq_no) {
1251                 free_irq(ps3fb.irq_no, &dev->core);
1252                 ps3_irq_plug_destroy(ps3fb.irq_no);
1253         }
1254         if (info) {
1255                 unregister_framebuffer(info);
1256                 fb_dealloc_cmap(&info->cmap);
1257                 framebuffer_release(info);
1258                 info = dev->core.driver_data = NULL;
1259         }
1260         iounmap((u8 __iomem *)ps3fb.dinfo);
1261
1262         status = lv1_gpu_context_free(ps3fb.context_handle);
1263         if (status)
1264                 dev_dbg(&dev->core, "lv1_gpu_context_free failed: %d\n",
1265                         status);
1266
1267         status = lv1_gpu_memory_free(ps3fb.memory_handle);
1268         if (status)
1269                 dev_dbg(&dev->core, "lv1_gpu_memory_free failed: %d\n",
1270                         status);
1271
1272         ps3_close_hv_device(dev);
1273         dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
1274
1275         return 0;
1276 }
1277
1278 static struct ps3_system_bus_driver ps3fb_driver = {
1279         .match_id       = PS3_MATCH_ID_GRAPHICS,
1280         .core.name      = DEVICE_NAME,
1281         .core.owner     = THIS_MODULE,
1282         .probe          = ps3fb_probe,
1283         .remove         = ps3fb_shutdown,
1284         .shutdown       = ps3fb_shutdown,
1285 };
1286
1287 static int __init ps3fb_setup(void)
1288 {
1289         char *options;
1290
1291 #ifdef MODULE
1292         return 0;
1293 #endif
1294
1295         if (fb_get_options(DEVICE_NAME, &options))
1296                 return -ENXIO;
1297
1298         if (!options || !*options)
1299                 return 0;
1300
1301         while (1) {
1302                 char *this_opt = strsep(&options, ",");
1303
1304                 if (!this_opt)
1305                         break;
1306                 if (!*this_opt)
1307                         continue;
1308                 if (!strncmp(this_opt, "mode:", 5))
1309                         ps3fb_mode = simple_strtoul(this_opt + 5, NULL, 0);
1310                 else
1311                         mode_option = this_opt;
1312         }
1313         return 0;
1314 }
1315
1316 static int __init ps3fb_init(void)
1317 {
1318         if (!ps3fb_videomemory.address ||  ps3fb_setup())
1319                 return -ENXIO;
1320
1321         return ps3_system_bus_driver_register(&ps3fb_driver);
1322 }
1323
1324 static void __exit ps3fb_exit(void)
1325 {
1326         pr_debug(" -> %s:%d\n", __func__, __LINE__);
1327         ps3_system_bus_driver_unregister(&ps3fb_driver);
1328         pr_debug(" <- %s:%d\n", __func__, __LINE__);
1329 }
1330
1331 module_init(ps3fb_init);
1332 module_exit(ps3fb_exit);
1333
1334 MODULE_LICENSE("GPL");
1335 MODULE_DESCRIPTION("PS3 GPU Frame Buffer Driver");
1336 MODULE_AUTHOR("Sony Computer Entertainment Inc.");
1337 MODULE_ALIAS(PS3_MODULE_ALIAS_GRAPHICS);