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                        (64 * 1024)
  55 #define GPU_IOIF                                (0x0d000000UL)
  56 #define GPU_ALIGN_UP(x)                         _ALIGN_UP((x), 64)
  57 #define GPU_MAX_LINE_LENGTH                     (65536 - 64)
  58
  59 #define PS3FB_FULL_MODE_BIT                     0x80
  60
  61 #define GPU_INTR_STATUS_VSYNC_0                 0       /* vsync on head A */
  62 #define GPU_INTR_STATUS_VSYNC_1                 1       /* vsync on head B */
  63 #define GPU_INTR_STATUS_FLIP_0                  3       /* flip head A */
  64 #define GPU_INTR_STATUS_FLIP_1                  4       /* flip head B */
  65 #define GPU_INTR_STATUS_QUEUE_0                 5       /* queue head A */
  66 #define GPU_INTR_STATUS_QUEUE_1                 6       /* queue head B */
  67
  68 #define GPU_DRIVER_INFO_VERSION                 0x211
  69
  70 /* gpu internals */
  71 struct display_head {
  72         u64 be_time_stamp;
  73         u32 status;
  74         u32 offset;
  75         u32 res1;
  76         u32 res2;
  77         u32 field;
  78         u32 reserved1;
  79
  80         u64 res3;
  81         u32 raster;
  82
  83         u64 vblank_count;
  84         u32 field_vsync;
  85         u32 reserved2;
  86 };
  87
  88 struct gpu_irq {
  89         u32 irq_outlet;
  90         u32 status;
  91         u32 mask;
  92         u32 video_cause;
  93         u32 graph_cause;
  94         u32 user_cause;
  95
  96         u32 res1;
  97         u64 res2;
  98
  99         u32 reserved[4];
 100 };
 101
 102 struct gpu_driver_info {
 103         u32 version_driver;
 104         u32 version_gpu;
 105         u32 memory_size;
 106         u32 hardware_channel;
 107
 108         u32 nvcore_frequency;
 109         u32 memory_frequency;
 110
 111         u32 reserved[1063];
 112         struct display_head display_head[8];
 113         struct gpu_irq irq;
 114 };
 115
 116 struct ps3fb_priv {
 117         unsigned int irq_no;
 118
 119         u64 context_handle, memory_handle;
 120         void *xdr_ea;
 121         size_t xdr_size;
 122         struct gpu_driver_info *dinfo;
 123
 124         u64 vblank_count;       /* frame count */
 125         wait_queue_head_t wait_vsync;
 126
 127         atomic_t ext_flip;      /* on/off flip with vsync */
 128         atomic_t f_count;       /* fb_open count */
 129         int is_blanked;
 130         int is_kicked;
 131         struct task_struct *task;
 132 };
 133 static struct ps3fb_priv ps3fb;
 134
 135 struct ps3fb_par {
 136         u32 pseudo_palette[16];
 137         int mode_id, new_mode_id;
 138         int res_index;
 139         unsigned int num_frames;        /* num of frame buffers */
 140         unsigned int width;
 141         unsigned int height;
 142         unsigned long full_offset;      /* start of fullscreen DDR fb */
 143         unsigned long fb_offset;        /* start of actual DDR fb */
 144         unsigned long pan_offset;
 145 };
 146
 147 struct ps3fb_res_table {
 148         u32 xres;
 149         u32 yres;
 150         u32 xoff;
 151         u32 yoff;
 152         u32 type;
 153 };
 154 #define PS3FB_RES_FULL 1
 155 static const struct ps3fb_res_table ps3fb_res[] = {
 156         /* res_x,y   margin_x,y  full */
 157         {  720,  480,  72,  48 , 0},
 158         {  720,  576,  72,  58 , 0},
 159         { 1280,  720,  78,  38 , 0},
 160         { 1920, 1080, 116,  58 , 0},
 161         /* full mode */
 162         {  720,  480,   0,   0 , PS3FB_RES_FULL},
 163         {  720,  576,   0,   0 , PS3FB_RES_FULL},
 164         { 1280,  720,   0,   0 , PS3FB_RES_FULL},
 165         { 1920, 1080,   0,   0 , PS3FB_RES_FULL},
 166         /* vesa: normally full mode */
 167         { 1280,  768,   0,   0 , 0},
 168         { 1280, 1024,   0,   0 , 0},
 169         { 1920, 1200,   0,   0 , 0},
 170         {    0,    0,   0,   0 , 0} };
 171
 172 /* default resolution */
 173 #define GPU_RES_INDEX   0               /* 720 x 480 */
 174
 175 static const struct fb_videomode ps3fb_modedb[] = {
 176     /* 60 Hz broadcast modes (modes "1" to "5") */
 177     {
 178         /* 480i */
 179         "480i", 60, 576, 384, 74074, 130, 89, 78, 57, 63, 6,
 180         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 181     },    {
 182         /* 480p */
 183         "480p", 60, 576, 384, 37037, 130, 89, 78, 57, 63, 6,
 184         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 185     },    {
 186         /* 720p */
 187         "720p", 60, 1124, 644, 13481, 298, 148, 57, 44, 80, 5,
 188         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 189     },    {
 190         /* 1080i */
 191         "1080i", 60, 1688, 964, 13481, 264, 160, 94, 62, 88, 5,
 192         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 193     },    {
 194         /* 1080p */
 195         "1080p", 60, 1688, 964, 6741, 264, 160, 94, 62, 88, 5,
 196         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 197     },
 198
 199     /* 50 Hz broadcast modes (modes "6" to "10") */
 200     {
 201         /* 576i */
 202         "576i", 50, 576, 460, 74074, 142, 83, 97, 63, 63, 5,
 203         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 204     },    {
 205         /* 576p */
 206         "576p", 50, 576, 460, 37037, 142, 83, 97, 63, 63, 5,
 207         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 208     },    {
 209         /* 720p */
 210         "720p", 50, 1124, 644, 13468, 298, 478, 57, 44, 80, 5,
 211         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 212     },    {
 213         /* 1080 */
 214         "1080i", 50, 1688, 964, 13468, 264, 600, 94, 62, 88, 5,
 215         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 216     },    {
 217         /* 1080p */
 218         "1080p", 50, 1688, 964, 6734, 264, 600, 94, 62, 88, 5,
 219         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 220     },
 221
 222     /* VESA modes (modes "11" to "13") */
 223     {
 224         /* WXGA */
 225         "wxga", 60, 1280, 768, 12924, 160, 24, 29, 3, 136, 6,
 226         0, FB_VMODE_NONINTERLACED,
 227         FB_MODE_IS_VESA
 228     }, {
 229         /* SXGA */
 230         "sxga", 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3,
 231         FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED,
 232         FB_MODE_IS_VESA
 233     }, {
 234         /* WUXGA */
 235         "wuxga", 60, 1920, 1200, 6494, 80, 48, 26, 3, 32, 6,
 236         FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED,
 237         FB_MODE_IS_VESA
 238     },
 239
 240     /* 60 Hz broadcast modes (full resolution versions of modes "1" to "5") */
 241     {
 242         /* 480if */
 243         "480if", 60, 720, 480, 74074, 58, 17, 30, 9, 63, 6,
 244         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 245     }, {
 246         /* 480pf */
 247         "480pf", 60, 720, 480, 37037, 58, 17, 30, 9, 63, 6,
 248         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 249     }, {
 250         /* 720pf */
 251         "720pf", 60, 1280, 720, 13481, 220, 70, 19, 6, 80, 5,
 252         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 253     }, {
 254         /* 1080if */
 255         "1080if", 60, 1920, 1080, 13481, 148, 44, 36, 4, 88, 5,
 256         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 257     }, {
 258         /* 1080pf */
 259         "1080pf", 60, 1920, 1080, 6741, 148, 44, 36, 4, 88, 5,
 260         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 261     },
 262
 263     /* 50 Hz broadcast modes (full resolution versions of modes "6" to "10") */
 264     {
 265         /* 576if */
 266         "576if", 50, 720, 576, 74074, 70, 11, 39, 5, 63, 5,
 267         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 268     }, {
 269         /* 576pf */
 270         "576pf", 50, 720, 576, 37037, 70, 11, 39, 5, 63, 5,
 271         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 272     }, {
 273         /* 720pf */
 274         "720pf", 50, 1280, 720, 13468, 220, 400, 19, 6, 80, 5,
 275         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 276     }, {
 277         /* 1080if */
 278         "1080f", 50, 1920, 1080, 13468, 148, 484, 36, 4, 88, 5,
 279         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
 280     }, {
 281         /* 1080pf */
 282         "1080pf", 50, 1920, 1080, 6734, 148, 484, 36, 4, 88, 5,
 283         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
 284     }
 285 };
 286
 287
 288 #define HEAD_A
 289 #define HEAD_B
 290
 291 #define X_OFF(i)        (ps3fb_res[i].xoff)     /* left/right margin (pixel) */
 292 #define Y_OFF(i)        (ps3fb_res[i].yoff)     /* top/bottom margin (pixel) */
 293 #define WIDTH(i)        (ps3fb_res[i].xres)     /* width of FB */
 294 #define HEIGHT(i)       (ps3fb_res[i].yres)     /* height of FB */
 295 #define BPP             4                       /* number of bytes per pixel */
 296
 297 /* Start of the virtual frame buffer (relative to fullscreen ) */
 298 #define VP_OFF(i)       ((WIDTH(i) * Y_OFF(i) + X_OFF(i)) * BPP)
 299
 300
 301 static int ps3fb_mode;
 302 module_param(ps3fb_mode, int, 0);
 303
 304 static char *mode_option __devinitdata;
 305
 306 static int ps3fb_get_res_table(u32 xres, u32 yres, int mode)
 307 {
 308         int full_mode;
 309         unsigned int i;
 310         u32 x, y, f;
 311
 312         full_mode = (mode & PS3FB_FULL_MODE_BIT) ? PS3FB_RES_FULL : 0;
 313         for (i = 0;; i++) {
 314                 x = ps3fb_res[i].xres;
 315                 y = ps3fb_res[i].yres;
 316                 f = ps3fb_res[i].type;
 317
 318                 if (!x) {
 319                         pr_debug("ERROR: ps3fb_get_res_table()\n");
 320                         return -1;
 321                 }
 322
 323                 if (full_mode == PS3FB_RES_FULL && f != PS3FB_RES_FULL)
 324                         continue;
 325
 326                 if (x == xres && (yres == 0 || y == yres))
 327                         break;
 328
 329                 x = x - 2 * ps3fb_res[i].xoff;
 330                 y = y - 2 * ps3fb_res[i].yoff;
 331                 if (x == xres && (yres == 0 || y == yres))
 332                         break;
 333         }
 334         return i;
 335 }
 336
 337 static unsigned int ps3fb_find_mode(const struct fb_var_screeninfo *var,
 338                                     u32 *ddr_line_length, u32 *xdr_line_length)
 339 {
 340         unsigned int i, mode;
 341
 342         for (i = 0; i < ARRAY_SIZE(ps3fb_modedb); i++)
 343                 if (var->xres == ps3fb_modedb[i].xres &&
 344                     var->yres == ps3fb_modedb[i].yres &&
 345                     var->pixclock == ps3fb_modedb[i].pixclock &&
 346                     var->hsync_len == ps3fb_modedb[i].hsync_len &&
 347                     var->vsync_len == ps3fb_modedb[i].vsync_len &&
 348                     var->left_margin == ps3fb_modedb[i].left_margin &&
 349                     var->right_margin == ps3fb_modedb[i].right_margin &&
 350                     var->upper_margin == ps3fb_modedb[i].upper_margin &&
 351                     var->lower_margin == ps3fb_modedb[i].lower_margin &&
 352                     var->sync == ps3fb_modedb[i].sync &&
 353                     (var->vmode & FB_VMODE_MASK) == ps3fb_modedb[i].vmode)
 354                         goto found;
 355
 356         pr_debug("ps3fb_find_mode: mode not found\n");
 357         return 0;
 358
 359 found:
 360         /* Cropped broadcast modes use the full line length */
 361         *ddr_line_length = ps3fb_modedb[i < 10 ? i + 13 : i].xres * BPP;
 362
 363         if (ps3_compare_firmware_version(1, 9, 0) >= 0) {
 364                 *xdr_line_length = GPU_ALIGN_UP(max(var->xres,
 365                                                     var->xres_virtual) * BPP);
 366                 if (*xdr_line_length > GPU_MAX_LINE_LENGTH)
 367                         *xdr_line_length = GPU_MAX_LINE_LENGTH;
 368         } else
 369                 *xdr_line_length = *ddr_line_length;
 370
 371         /* Full broadcast modes have the full mode bit set */
 372         mode = i > 12 ? (i - 12) | PS3FB_FULL_MODE_BIT : i + 1;
 373
 374         pr_debug("ps3fb_find_mode: mode %u\n", mode);
 375
 376         return mode;
 377 }
 378
 379 static const struct fb_videomode *ps3fb_default_mode(int id)
 380 {
 381         u32 mode = id & PS3AV_MODE_MASK;
 382         u32 flags;
 383
 384         if (mode < 1 || mode > 13)
 385                 return NULL;
 386
 387         flags = id & ~PS3AV_MODE_MASK;
 388
 389         if (mode <= 10 && flags & PS3FB_FULL_MODE_BIT) {
 390                 /* Full broadcast mode */
 391                 return &ps3fb_modedb[mode + 12];
 392         }
 393
 394         return &ps3fb_modedb[mode - 1];
 395 }
 396
 397 static void ps3fb_sync_image(struct device *dev, u64 frame_offset,
 398                              u64 dst_offset, u64 src_offset, u32 width,
 399                              u32 height, u32 dst_line_length,
 400                              u32 src_line_length)
 401 {
 402         int status;
 403         u64 line_length;
 404
 405         line_length = dst_line_length;
 406         if (src_line_length != dst_line_length)
 407                 line_length |= (u64)src_line_length << 32;
 408
 409         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 410                                            L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT,
 411                                            dst_offset, GPU_IOIF + src_offset,
 412                                            L1GPU_FB_BLIT_WAIT_FOR_COMPLETION |
 413                                            (width << 16) | height,
 414                                            line_length);
 415         if (status)
 416                 dev_err(dev,
 417                         "%s: lv1_gpu_context_attribute FB_BLIT failed: %d\n",
 418                         __func__, status);
 419 #ifdef HEAD_A
 420         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 421                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
 422                                            0, frame_offset, 0, 0);
 423         if (status)
 424                 dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
 425                         __func__, status);
 426 #endif
 427 #ifdef HEAD_B
 428         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 429                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
 430                                            1, frame_offset, 0, 0);
 431         if (status)
 432                 dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
 433                         __func__, status);
 434 #endif
 435 }
 436
 437 static int ps3fb_sync(struct fb_info *info, u32 frame)
 438 {
 439         struct ps3fb_par *par = info->par;
 440         int i, error = 0;
 441         u32 ddr_line_length, xdr_line_length;
 442         u64 ddr_base, xdr_base;
 443
 444         acquire_console_sem();
 445
 446         if (frame > par->num_frames - 1) {
 447                 dev_dbg(info->device, "%s: invalid frame number (%u)\n",
 448                         __func__, frame);
 449                 error = -EINVAL;
 450                 goto out;
 451         }
 452
 453         i = par->res_index;
 454         xdr_line_length = info->fix.line_length;
 455         ddr_line_length = ps3fb_res[i].xres * BPP;
 456         xdr_base = frame * info->var.yres_virtual * xdr_line_length;
 457         ddr_base = frame * ps3fb_res[i].yres * ddr_line_length;
 458
 459         ps3fb_sync_image(info->device, ddr_base + par->full_offset,
 460                          ddr_base + par->fb_offset, xdr_base + par->pan_offset,
 461                          par->width, par->height, ddr_line_length,
 462                          xdr_line_length);
 463
 464 out:
 465         release_console_sem();
 466         return error;
 467 }
 468
 469 static int ps3fb_open(struct fb_info *info, int user)
 470 {
 471         atomic_inc(&ps3fb.f_count);
 472         return 0;
 473 }
 474
 475 static int ps3fb_release(struct fb_info *info, int user)
 476 {
 477         if (atomic_dec_and_test(&ps3fb.f_count)) {
 478                 if (atomic_read(&ps3fb.ext_flip)) {
 479                         atomic_set(&ps3fb.ext_flip, 0);
 480                         ps3fb_sync(info, 0);    /* single buffer */
 481                 }
 482         }
 483         return 0;
 484 }
 485
 486     /*
 487      *  Setting the video mode has been split into two parts.
 488      *  First part, xxxfb_check_var, must not write anything
 489      *  to hardware, it should only verify and adjust var.
 490      *  This means it doesn't alter par but it does use hardware
 491      *  data from it to check this var.
 492      */
 493
 494 static int ps3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 495 {
 496         u32 xdr_line_length, ddr_line_length;
 497         int mode;
 498
 499         dev_dbg(info->device, "var->xres:%u info->var.xres:%u\n", var->xres,
 500                 info->var.xres);
 501         dev_dbg(info->device, "var->yres:%u info->var.yres:%u\n", var->yres,
 502                 info->var.yres);
 503
 504         /* FIXME For now we do exact matches only */
 505         mode = ps3fb_find_mode(var, &ddr_line_length, &xdr_line_length);
 506         if (!mode)
 507                 return -EINVAL;
 508
 509         /* Virtual screen */
 510         if (var->xres_virtual < var->xres)
 511                 var->xres_virtual = var->xres;
 512         if (var->yres_virtual < var->yres)
 513                 var->yres_virtual = var->yres;
 514
 515         if (var->xres_virtual > xdr_line_length / BPP) {
 516                 dev_dbg(info->device,
 517                         "Horizontal virtual screen size too large\n");
 518                 return -EINVAL;
 519         }
 520
 521         if (var->xoffset + var->xres > var->xres_virtual ||
 522             var->yoffset + var->yres > var->yres_virtual) {
 523                 dev_dbg(info->device, "panning out-of-range\n");
 524                 return -EINVAL;
 525         }
 526
 527         /* We support ARGB8888 only */
 528         if (var->bits_per_pixel > 32 || var->grayscale ||
 529             var->red.offset > 16 || var->green.offset > 8 ||
 530             var->blue.offset > 0 || var->transp.offset > 24 ||
 531             var->red.length > 8 || var->green.length > 8 ||
 532             var->blue.length > 8 || var->transp.length > 8 ||
 533             var->red.msb_right || var->green.msb_right ||
 534             var->blue.msb_right || var->transp.msb_right || var->nonstd) {
 535                 dev_dbg(info->device, "We support ARGB8888 only\n");
 536                 return -EINVAL;
 537         }
 538
 539         var->bits_per_pixel = 32;
 540         var->red.offset = 16;
 541         var->green.offset = 8;
 542         var->blue.offset = 0;
 543         var->transp.offset = 24;
 544         var->red.length = 8;
 545         var->green.length = 8;
 546         var->blue.length = 8;
 547         var->transp.length = 8;
 548         var->red.msb_right = 0;
 549         var->green.msb_right = 0;
 550         var->blue.msb_right = 0;
 551         var->transp.msb_right = 0;
 552
 553         /* Rotation is not supported */
 554         if (var->rotate) {
 555                 dev_dbg(info->device, "Rotation is not supported\n");
 556                 return -EINVAL;
 557         }
 558
 559         /* Memory limit */
 560         if (var->yres_virtual * xdr_line_length > ps3fb.xdr_size) {
 561                 dev_dbg(info->device, "Not enough memory\n");
 562                 return -ENOMEM;
 563         }
 564
 565         var->height = -1;
 566         var->width = -1;
 567
 568         return 0;
 569 }
 570
 571     /*
 572      * This routine actually sets the video mode.
 573      */
 574
 575 static int ps3fb_set_par(struct fb_info *info)
 576 {
 577         struct ps3fb_par *par = info->par;
 578         unsigned int mode, ddr_line_length, xdr_line_length, lines, maxlines;
 579         int i;
 580         unsigned long offset;
 581         u64 dst;
 582
 583         dev_dbg(info->device, "xres:%d xv:%d yres:%d yv:%d clock:%d\n",
 584                 info->var.xres, info->var.xres_virtual,
 585                 info->var.yres, info->var.yres_virtual, info->var.pixclock);
 586
 587         mode = ps3fb_find_mode(&info->var, &ddr_line_length, &xdr_line_length);
 588         if (!mode)
 589                 return -EINVAL;
 590
 591         i = ps3fb_get_res_table(info->var.xres, info->var.yres, mode);
 592         par->res_index = i;
 593
 594         info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea);
 595         info->fix.smem_len = ps3fb.xdr_size;
 596         info->fix.xpanstep = info->var.xres_virtual > info->var.xres ? 1 : 0;
 597         info->fix.ypanstep = info->var.yres_virtual > info->var.yres ? 1 : 0;
 598         info->fix.line_length = xdr_line_length;
 599
 600         info->screen_base = (char __iomem *)ps3fb.xdr_ea;
 601
 602         par->num_frames = ps3fb.xdr_size /
 603                           max(ps3fb_res[i].yres * ddr_line_length,
 604                               info->var.yres_virtual * xdr_line_length);
 605
 606         /* Keep the special bits we cannot set using fb_var_screeninfo */
 607         par->new_mode_id = (par->new_mode_id & ~PS3AV_MODE_MASK) | mode;
 608
 609         par->width = info->var.xres;
 610         par->height = info->var.yres;
 611         offset = VP_OFF(i);
 612         par->fb_offset = GPU_ALIGN_UP(offset);
 613         par->full_offset = par->fb_offset - offset;
 614         par->pan_offset = info->var.yoffset * xdr_line_length +
 615                           info->var.xoffset * BPP;
 616
 617         if (par->new_mode_id != par->mode_id) {
 618                 if (ps3av_set_video_mode(par->new_mode_id)) {
 619                         par->new_mode_id = par->mode_id;
 620                         return -EINVAL;
 621                 }
 622                 par->mode_id = par->new_mode_id;
 623         }
 624
 625         /* Clear XDR frame buffer memory */
 626         memset(ps3fb.xdr_ea, 0, ps3fb.xdr_size);
 627
 628         /* Clear DDR frame buffer memory */
 629         lines = ps3fb_res[i].yres * par->num_frames;
 630         if (par->full_offset)
 631                 lines++;
 632         maxlines = ps3fb.xdr_size / ddr_line_length;
 633         for (dst = 0; lines; dst += maxlines * ddr_line_length) {
 634                 unsigned int l = min(lines, maxlines);
 635                 ps3fb_sync_image(info->device, 0, dst, 0, ps3fb_res[i].xres, l,
 636                                  ddr_line_length, ddr_line_length);
 637                 lines -= l;
 638         }
 639
 640         return 0;
 641 }
 642
 643     /*
 644      *  Set a single color register. The values supplied are already
 645      *  rounded down to the hardware's capabilities (according to the
 646      *  entries in the var structure). Return != 0 for invalid regno.
 647      */
 648
 649 static int ps3fb_setcolreg(unsigned int regno, unsigned int red,
 650                            unsigned int green, unsigned int blue,
 651                            unsigned int transp, struct fb_info *info)
 652 {
 653         if (regno >= 16)
 654                 return 1;
 655
 656         red >>= 8;
 657         green >>= 8;
 658         blue >>= 8;
 659         transp >>= 8;
 660
 661         ((u32 *)info->pseudo_palette)[regno] = transp << 24 | red << 16 |
 662                                                green << 8 | blue;
 663         return 0;
 664 }
 665
 666 static int ps3fb_pan_display(struct fb_var_screeninfo *var,
 667                              struct fb_info *info)
 668 {
 669         struct ps3fb_par *par = info->par;
 670
 671         par->pan_offset = var->yoffset * info->fix.line_length +
 672                           var->xoffset * BPP;
 673         return 0;
 674 }
 675
 676     /*
 677      *  As we have a virtual frame buffer, we need our own mmap function
 678      */
 679
 680 static int ps3fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
 681 {
 682         unsigned long size, offset;
 683
 684         size = vma->vm_end - vma->vm_start;
 685         offset = vma->vm_pgoff << PAGE_SHIFT;
 686         if (offset + size > info->fix.smem_len)
 687                 return -EINVAL;
 688
 689         offset += info->fix.smem_start;
 690         if (remap_pfn_range(vma, vma->vm_start, offset >> PAGE_SHIFT,
 691                             size, vma->vm_page_prot))
 692                 return -EAGAIN;
 693
 694         dev_dbg(info->device, "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n",
 695                 offset, vma->vm_start);
 696         return 0;
 697 }
 698
 699     /*
 700      * Blank the display
 701      */
 702
 703 static int ps3fb_blank(int blank, struct fb_info *info)
 704 {
 705         int retval;
 706
 707         dev_dbg(info->device, "%s: blank:%d\n", __func__, blank);
 708         switch (blank) {
 709         case FB_BLANK_POWERDOWN:
 710         case FB_BLANK_HSYNC_SUSPEND:
 711         case FB_BLANK_VSYNC_SUSPEND:
 712         case FB_BLANK_NORMAL:
 713                 retval = ps3av_video_mute(1);   /* mute on */
 714                 if (!retval)
 715                         ps3fb.is_blanked = 1;
 716                 break;
 717
 718         default:                /* unblank */
 719                 retval = ps3av_video_mute(0);   /* mute off */
 720                 if (!retval)
 721                         ps3fb.is_blanked = 0;
 722                 break;
 723         }
 724         return retval;
 725 }
 726
 727 static int ps3fb_get_vblank(struct fb_vblank *vblank)
 728 {
 729         memset(vblank, 0, sizeof(*vblank));
 730         vblank->flags = FB_VBLANK_HAVE_VSYNC;
 731         return 0;
 732 }
 733
 734 static int ps3fb_wait_for_vsync(u32 crtc)
 735 {
 736         int ret;
 737         u64 count;
 738
 739         count = ps3fb.vblank_count;
 740         ret = wait_event_interruptible_timeout(ps3fb.wait_vsync,
 741                                                count != ps3fb.vblank_count,
 742                                                HZ / 10);
 743         if (!ret)
 744                 return -ETIMEDOUT;
 745
 746         return 0;
 747 }
 748
 749 static void ps3fb_flip_ctl(int on, void *data)
 750 {
 751         struct ps3fb_priv *priv = data;
 752         if (on)
 753                 atomic_dec_if_positive(&priv->ext_flip);
 754         else
 755                 atomic_inc(&priv->ext_flip);
 756 }
 757
 758
 759     /*
 760      * ioctl
 761      */
 762
 763 static int ps3fb_ioctl(struct fb_info *info, unsigned int cmd,
 764                        unsigned long arg)
 765 {
 766         void __user *argp = (void __user *)arg;
 767         u32 val;
 768         int retval = -EFAULT;
 769
 770         switch (cmd) {
 771         case FBIOGET_VBLANK:
 772                 {
 773                         struct fb_vblank vblank;
 774                         dev_dbg(info->device, "FBIOGET_VBLANK:\n");
 775                         retval = ps3fb_get_vblank(&vblank);
 776                         if (retval)
 777                                 break;
 778
 779                         if (copy_to_user(argp, &vblank, sizeof(vblank)))
 780                                 retval = -EFAULT;
 781                         break;
 782                 }
 783
 784         case FBIO_WAITFORVSYNC:
 785                 {
 786                         u32 crt;
 787                         dev_dbg(info->device, "FBIO_WAITFORVSYNC:\n");
 788                         if (get_user(crt, (u32 __user *) arg))
 789                                 break;
 790
 791                         retval = ps3fb_wait_for_vsync(crt);
 792                         break;
 793                 }
 794
 795         case PS3FB_IOCTL_SETMODE:
 796                 {
 797                         struct ps3fb_par *par = info->par;
 798                         const struct fb_videomode *mode;
 799                         struct fb_var_screeninfo var;
 800
 801                         if (copy_from_user(&val, argp, sizeof(val)))
 802                                 break;
 803
 804                         if (!(val & PS3AV_MODE_MASK)) {
 805                                 u32 id = ps3av_get_auto_mode();
 806                                 if (id > 0)
 807                                         val = (val & ~PS3AV_MODE_MASK) | id;
 808                         }
 809                         dev_dbg(info->device, "PS3FB_IOCTL_SETMODE:%x\n", val);
 810                         retval = -EINVAL;
 811                         mode = ps3fb_default_mode(val);
 812                         if (mode) {
 813                                 var = info->var;
 814                                 fb_videomode_to_var(&var, mode);
 815                                 acquire_console_sem();
 816                                 info->flags |= FBINFO_MISC_USEREVENT;
 817                                 /* Force, in case only special bits changed */
 818                                 var.activate |= FB_ACTIVATE_FORCE;
 819                                 par->new_mode_id = val;
 820                                 retval = fb_set_var(info, &var);
 821                                 info->flags &= ~FBINFO_MISC_USEREVENT;
 822                                 release_console_sem();
 823                         }
 824                         break;
 825                 }
 826
 827         case PS3FB_IOCTL_GETMODE:
 828                 val = ps3av_get_mode();
 829                 dev_dbg(info->device, "PS3FB_IOCTL_GETMODE:%x\n", val);
 830                 if (!copy_to_user(argp, &val, sizeof(val)))
 831                         retval = 0;
 832                 break;
 833
 834         case PS3FB_IOCTL_SCREENINFO:
 835                 {
 836                         struct ps3fb_par *par = info->par;
 837                         struct ps3fb_ioctl_res res;
 838                         dev_dbg(info->device, "PS3FB_IOCTL_SCREENINFO:\n");
 839                         res.xres = info->fix.line_length / BPP;
 840                         res.yres = info->var.yres_virtual;
 841                         res.xoff = (res.xres - info->var.xres) / 2;
 842                         res.yoff = (res.yres - info->var.yres) / 2;
 843                         res.num_frames = par->num_frames;
 844                         if (!copy_to_user(argp, &res, sizeof(res)))
 845                                 retval = 0;
 846                         break;
 847                 }
 848
 849         case PS3FB_IOCTL_ON:
 850                 dev_dbg(info->device, "PS3FB_IOCTL_ON:\n");
 851                 atomic_inc(&ps3fb.ext_flip);
 852                 retval = 0;
 853                 break;
 854
 855         case PS3FB_IOCTL_OFF:
 856                 dev_dbg(info->device, "PS3FB_IOCTL_OFF:\n");
 857                 atomic_dec_if_positive(&ps3fb.ext_flip);
 858                 retval = 0;
 859                 break;
 860
 861         case PS3FB_IOCTL_FSEL:
 862                 if (copy_from_user(&val, argp, sizeof(val)))
 863                         break;
 864
 865                 dev_dbg(info->device, "PS3FB_IOCTL_FSEL:%d\n", val);
 866                 retval = ps3fb_sync(info, val);
 867                 break;
 868
 869         default:
 870                 retval = -ENOIOCTLCMD;
 871                 break;
 872         }
 873         return retval;
 874 }
 875
 876 static int ps3fbd(void *arg)
 877 {
 878         struct fb_info *info = arg;
 879
 880         set_freezable();
 881         while (!kthread_should_stop()) {
 882                 try_to_freeze();
 883                 set_current_state(TASK_INTERRUPTIBLE);
 884                 if (ps3fb.is_kicked) {
 885                         ps3fb.is_kicked = 0;
 886                         ps3fb_sync(info, 0);    /* single buffer */
 887                 }
 888                 schedule();
 889         }
 890         return 0;
 891 }
 892
 893 static irqreturn_t ps3fb_vsync_interrupt(int irq, void *ptr)
 894 {
 895         struct device *dev = ptr;
 896         u64 v1;
 897         int status;
 898         struct display_head *head = &ps3fb.dinfo->display_head[1];
 899
 900         status = lv1_gpu_context_intr(ps3fb.context_handle, &v1);
 901         if (status) {
 902                 dev_err(dev, "%s: lv1_gpu_context_intr failed: %d\n", __func__,
 903                         status);
 904                 return IRQ_NONE;
 905         }
 906
 907         if (v1 & (1 << GPU_INTR_STATUS_VSYNC_1)) {
 908                 /* VSYNC */
 909                 ps3fb.vblank_count = head->vblank_count;
 910                 if (ps3fb.task && !ps3fb.is_blanked &&
 911                     !atomic_read(&ps3fb.ext_flip)) {
 912                         ps3fb.is_kicked = 1;
 913                         wake_up_process(ps3fb.task);
 914                 }
 915                 wake_up_interruptible(&ps3fb.wait_vsync);
 916         }
 917
 918         return IRQ_HANDLED;
 919 }
 920
 921
 922 static int ps3fb_vsync_settings(struct gpu_driver_info *dinfo,
 923                                 struct device *dev)
 924 {
 925         int error;
 926
 927         dev_dbg(dev, "version_driver:%x\n", dinfo->version_driver);
 928         dev_dbg(dev, "irq outlet:%x\n", dinfo->irq.irq_outlet);
 929         dev_dbg(dev,
 930                 "version_gpu: %x memory_size: %x ch: %x core_freq: %d "
 931                 "mem_freq:%d\n",
 932                 dinfo->version_gpu, dinfo->memory_size, dinfo->hardware_channel,
 933                 dinfo->nvcore_frequency/1000000, dinfo->memory_frequency/1000000);
 934
 935         if (dinfo->version_driver != GPU_DRIVER_INFO_VERSION) {
 936                 dev_err(dev, "%s: version_driver err:%x\n", __func__,
 937                         dinfo->version_driver);
 938                 return -EINVAL;
 939         }
 940
 941         error = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet,
 942                                    &ps3fb.irq_no);
 943         if (error) {
 944                 dev_err(dev, "%s: ps3_alloc_irq failed %d\n", __func__, error);
 945                 return error;
 946         }
 947
 948         error = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt, IRQF_DISABLED,
 949                             DEVICE_NAME, dev);
 950         if (error) {
 951                 dev_err(dev, "%s: request_irq failed %d\n", __func__, error);
 952                 ps3_irq_plug_destroy(ps3fb.irq_no);
 953                 return error;
 954         }
 955
 956         dinfo->irq.mask = (1 << GPU_INTR_STATUS_VSYNC_1) |
 957                           (1 << GPU_INTR_STATUS_FLIP_1);
 958         return 0;
 959 }
 960
 961 static int ps3fb_xdr_settings(u64 xdr_lpar, struct device *dev)
 962 {
 963         int status;
 964
 965         status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF,
 966                                        xdr_lpar, ps3fb_videomemory.size, 0);
 967         if (status) {
 968                 dev_err(dev, "%s: lv1_gpu_context_iomap failed: %d\n",
 969                         __func__, status);
 970                 return -ENXIO;
 971         }
 972         dev_dbg(dev,
 973                 "video:%p xdr_ea:%p ioif:%lx lpar:%lx phys:%lx size:%lx\n",
 974                 ps3fb_videomemory.address, ps3fb.xdr_ea, GPU_IOIF, xdr_lpar,
 975                 virt_to_abs(ps3fb.xdr_ea), ps3fb_videomemory.size);
 976
 977         status = lv1_gpu_context_attribute(ps3fb.context_handle,
 978                                            L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP,
 979                                            xdr_lpar + ps3fb.xdr_size,
 980                                            GPU_CMD_BUF_SIZE,
 981                                            GPU_IOIF + ps3fb.xdr_size, 0);
 982         if (status) {
 983                 dev_err(dev,
 984                         "%s: lv1_gpu_context_attribute FB_SETUP failed: %d\n",
 985                         __func__, status);
 986                 return -ENXIO;
 987         }
 988         return 0;
 989 }
 990
 991 static struct fb_ops ps3fb_ops = {
 992         .fb_open        = ps3fb_open,
 993         .fb_release     = ps3fb_release,
 994         .fb_read        = fb_sys_read,
 995         .fb_write       = fb_sys_write,
 996         .fb_check_var   = ps3fb_check_var,
 997         .fb_set_par     = ps3fb_set_par,
 998         .fb_setcolreg   = ps3fb_setcolreg,
 999         .fb_pan_display = ps3fb_pan_display,
1000         .fb_fillrect    = sys_fillrect,
1001         .fb_copyarea    = sys_copyarea,
1002         .fb_imageblit   = sys_imageblit,
1003         .fb_mmap        = ps3fb_mmap,
1004         .fb_blank       = ps3fb_blank,
1005         .fb_ioctl       = ps3fb_ioctl,
1006         .fb_compat_ioctl = ps3fb_ioctl
1007 };
1008
1009 static struct fb_fix_screeninfo ps3fb_fix __initdata = {
1010         .id =           DEVICE_NAME,
1011         .type =         FB_TYPE_PACKED_PIXELS,
1012         .visual =       FB_VISUAL_TRUECOLOR,
1013         .accel =        FB_ACCEL_NONE,
1014 };
1015
1016 static int ps3fb_set_sync(struct device *dev)
1017 {
1018         int status;
1019
1020 #ifdef HEAD_A
1021         status = lv1_gpu_context_attribute(0x0,
1022                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
1023                                            0, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
1024         if (status) {
1025                 dev_err(dev,
1026                         "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
1027                         "%d\n",
1028                         __func__, status);
1029                 return -1;
1030         }
1031 #endif
1032 #ifdef HEAD_B
1033         status = lv1_gpu_context_attribute(0x0,
1034                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
1035                                            1, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
1036
1037         if (status) {
1038                 dev_err(dev,
1039                         "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
1040                         "%d\n",
1041                         __func__, status);
1042                 return -1;
1043         }
1044 #endif
1045         return 0;
1046 }
1047
1048 static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev)
1049 {
1050         struct fb_info *info;
1051         struct ps3fb_par *par;
1052         int retval = -ENOMEM;
1053         u32 xres, yres;
1054         u64 ddr_lpar = 0;
1055         u64 lpar_dma_control = 0;
1056         u64 lpar_driver_info = 0;
1057         u64 lpar_reports = 0;
1058         u64 lpar_reports_size = 0;
1059         u64 xdr_lpar;
1060         int status, res_index;
1061         struct task_struct *task;
1062         unsigned long max_ps3fb_size;
1063
1064         status = ps3_open_hv_device(dev);
1065         if (status) {
1066                 dev_err(&dev->core, "%s: ps3_open_hv_device failed\n",
1067                         __func__);
1068                 goto err;
1069         }
1070
1071         if (!ps3fb_mode)
1072                 ps3fb_mode = ps3av_get_mode();
1073         dev_dbg(&dev->core, "ps3av_mode:%d\n", ps3fb_mode);
1074
1075         if (ps3fb_mode > 0 &&
1076             !ps3av_video_mode2res(ps3fb_mode, &xres, &yres)) {
1077                 res_index = ps3fb_get_res_table(xres, yres, ps3fb_mode);
1078                 dev_dbg(&dev->core, "res_index:%d\n", res_index);
1079         } else
1080                 res_index = GPU_RES_INDEX;
1081
1082         atomic_set(&ps3fb.f_count, -1); /* fbcon opens ps3fb */
1083         atomic_set(&ps3fb.ext_flip, 0); /* for flip with vsync */
1084         init_waitqueue_head(&ps3fb.wait_vsync);
1085
1086         ps3fb_set_sync(&dev->core);
1087
1088         max_ps3fb_size = _ALIGN_UP(GPU_IOIF, 256*1024*1024) - GPU_IOIF;
1089         if (ps3fb_videomemory.size > max_ps3fb_size) {
1090                 dev_info(&dev->core, "Limiting ps3fb mem size to %lu bytes\n",
1091                          max_ps3fb_size);
1092                 ps3fb_videomemory.size = max_ps3fb_size;
1093         }
1094
1095         /* get gpu context handle */
1096         status = lv1_gpu_memory_allocate(ps3fb_videomemory.size, 0, 0, 0, 0,
1097                                          &ps3fb.memory_handle, &ddr_lpar);
1098         if (status) {
1099                 dev_err(&dev->core, "%s: lv1_gpu_memory_allocate failed: %d\n",
1100                         __func__, status);
1101                 goto err;
1102         }
1103         dev_dbg(&dev->core, "ddr:lpar:0x%lx\n", ddr_lpar);
1104
1105         status = lv1_gpu_context_allocate(ps3fb.memory_handle, 0,
1106                                           &ps3fb.context_handle,
1107                                           &lpar_dma_control, &lpar_driver_info,
1108                                           &lpar_reports, &lpar_reports_size);
1109         if (status) {
1110                 dev_err(&dev->core,
1111                         "%s: lv1_gpu_context_attribute failed: %d\n", __func__,
1112                         status);
1113                 goto err_gpu_memory_free;
1114         }
1115
1116         /* vsync interrupt */
1117         ps3fb.dinfo = ioremap(lpar_driver_info, 128 * 1024);
1118         if (!ps3fb.dinfo) {
1119                 dev_err(&dev->core, "%s: ioremap failed\n", __func__);
1120                 goto err_gpu_context_free;
1121         }
1122
1123         retval = ps3fb_vsync_settings(ps3fb.dinfo, &dev->core);
1124         if (retval)
1125                 goto err_iounmap_dinfo;
1126
1127         /* XDR frame buffer */
1128         ps3fb.xdr_ea = ps3fb_videomemory.address;
1129         xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb.xdr_ea));
1130
1131         /* Clear memory to prevent kernel info leakage into userspace */
1132         memset(ps3fb.xdr_ea, 0, ps3fb_videomemory.size);
1133
1134         /* The GPU command buffer is at the end of video memory */
1135         ps3fb.xdr_size = ps3fb_videomemory.size - GPU_CMD_BUF_SIZE;
1136
1137         retval = ps3fb_xdr_settings(xdr_lpar, &dev->core);
1138         if (retval)
1139                 goto err_free_irq;
1140
1141         info = framebuffer_alloc(sizeof(struct ps3fb_par), &dev->core);
1142         if (!info)
1143                 goto err_free_irq;
1144
1145         par = info->par;
1146         par->mode_id = ~ps3fb_mode;     /* != ps3fb_mode, to trigger change */
1147         par->new_mode_id = ps3fb_mode;
1148         par->res_index = res_index;
1149         par->num_frames = 1;
1150
1151         info->screen_base = (char __iomem *)ps3fb.xdr_ea;
1152         info->fbops = &ps3fb_ops;
1153
1154         info->fix = ps3fb_fix;
1155         info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea);
1156         info->fix.smem_len = ps3fb.xdr_size;
1157         info->pseudo_palette = par->pseudo_palette;
1158         info->flags = FBINFO_DEFAULT | FBINFO_READS_FAST |
1159                       FBINFO_HWACCEL_XPAN | FBINFO_HWACCEL_YPAN;
1160
1161         retval = fb_alloc_cmap(&info->cmap, 256, 0);
1162         if (retval < 0)
1163                 goto err_framebuffer_release;
1164
1165         if (!fb_find_mode(&info->var, info, mode_option, ps3fb_modedb,
1166                           ARRAY_SIZE(ps3fb_modedb),
1167                           ps3fb_default_mode(par->new_mode_id), 32)) {
1168                 retval = -EINVAL;
1169                 goto err_fb_dealloc;
1170         }
1171
1172         fb_videomode_to_modelist(ps3fb_modedb, ARRAY_SIZE(ps3fb_modedb),
1173                                  &info->modelist);
1174
1175         retval = register_framebuffer(info);
1176         if (retval < 0)
1177                 goto err_fb_dealloc;
1178
1179         dev->core.driver_data = info;
1180
1181         dev_info(info->device, "%s %s, using %lu KiB of video memory\n",
1182                  dev_driver_string(info->dev), info->dev->bus_id,
1183                  ps3fb.xdr_size >> 10);
1184
1185         task = kthread_run(ps3fbd, info, DEVICE_NAME);
1186         if (IS_ERR(task)) {
1187                 retval = PTR_ERR(task);
1188                 goto err_unregister_framebuffer;
1189         }
1190
1191         ps3fb.task = task;
1192         ps3av_register_flip_ctl(ps3fb_flip_ctl, &ps3fb);
1193
1194         return 0;
1195
1196 err_unregister_framebuffer:
1197         unregister_framebuffer(info);
1198 err_fb_dealloc:
1199         fb_dealloc_cmap(&info->cmap);
1200 err_framebuffer_release:
1201         framebuffer_release(info);
1202 err_free_irq:
1203         free_irq(ps3fb.irq_no, dev);
1204         ps3_irq_plug_destroy(ps3fb.irq_no);
1205 err_iounmap_dinfo:
1206         iounmap((u8 __iomem *)ps3fb.dinfo);
1207 err_gpu_context_free:
1208         lv1_gpu_context_free(ps3fb.context_handle);
1209 err_gpu_memory_free:
1210         lv1_gpu_memory_free(ps3fb.memory_handle);
1211 err:
1212         return retval;
1213 }
1214
1215 static int ps3fb_shutdown(struct ps3_system_bus_device *dev)
1216 {
1217         int status;
1218         struct fb_info *info = dev->core.driver_data;
1219
1220         dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
1221
1222         ps3fb_flip_ctl(0, &ps3fb);      /* flip off */
1223         ps3fb.dinfo->irq.mask = 0;
1224
1225         if (info) {
1226                 unregister_framebuffer(info);
1227                 fb_dealloc_cmap(&info->cmap);
1228                 framebuffer_release(info);
1229         }
1230
1231         ps3av_register_flip_ctl(NULL, NULL);
1232         if (ps3fb.task) {
1233                 struct task_struct *task = ps3fb.task;
1234                 ps3fb.task = NULL;
1235                 kthread_stop(task);
1236         }
1237         if (ps3fb.irq_no) {
1238                 free_irq(ps3fb.irq_no, dev);
1239                 ps3_irq_plug_destroy(ps3fb.irq_no);
1240         }
1241         iounmap((u8 __iomem *)ps3fb.dinfo);
1242
1243         status = lv1_gpu_context_free(ps3fb.context_handle);
1244         if (status)
1245                 dev_dbg(&dev->core, "lv1_gpu_context_free failed: %d\n",
1246                         status);
1247
1248         status = lv1_gpu_memory_free(ps3fb.memory_handle);
1249         if (status)
1250                 dev_dbg(&dev->core, "lv1_gpu_memory_free failed: %d\n",
1251                         status);
1252
1253         ps3_close_hv_device(dev);
1254         dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
1255
1256         return 0;
1257 }
1258
1259 static struct ps3_system_bus_driver ps3fb_driver = {
1260         .match_id       = PS3_MATCH_ID_GRAPHICS,
1261         .core.name      = DEVICE_NAME,
1262         .core.owner     = THIS_MODULE,
1263         .probe          = ps3fb_probe,
1264         .remove         = ps3fb_shutdown,
1265         .shutdown       = ps3fb_shutdown,
1266 };
1267
1268 static int __init ps3fb_setup(void)
1269 {
1270         char *options;
1271
1272 #ifdef MODULE
1273         return 0;
1274 #endif
1275
1276         if (fb_get_options(DEVICE_NAME, &options))
1277                 return -ENXIO;
1278
1279         if (!options || !*options)
1280                 return 0;
1281
1282         while (1) {
1283                 char *this_opt = strsep(&options, ",");
1284
1285                 if (!this_opt)
1286                         break;
1287                 if (!*this_opt)
1288                         continue;
1289                 if (!strncmp(this_opt, "mode:", 5))
1290                         ps3fb_mode = simple_strtoul(this_opt + 5, NULL, 0);
1291                 else
1292                         mode_option = this_opt;
1293         }
1294         return 0;
1295 }
1296
1297 static int __init ps3fb_init(void)
1298 {
1299         if (!ps3fb_videomemory.address ||  ps3fb_setup())
1300                 return -ENXIO;
1301
1302         return ps3_system_bus_driver_register(&ps3fb_driver);
1303 }
1304
1305 static void __exit ps3fb_exit(void)
1306 {
1307         pr_debug(" -> %s:%d\n", __func__, __LINE__);
1308         ps3_system_bus_driver_unregister(&ps3fb_driver);
1309         pr_debug(" <- %s:%d\n", __func__, __LINE__);
1310 }
1311
1312 module_init(ps3fb_init);
1313 module_exit(ps3fb_exit);
1314
1315 MODULE_LICENSE("GPL");
1316 MODULE_DESCRIPTION("PS3 GPU Frame Buffer Driver");
1317 MODULE_AUTHOR("Sony Computer Entertainment Inc.");
1318 MODULE_ALIAS(PS3_MODULE_ALIAS_GRAPHICS);