CRED: Wrap task credential accesses in the JFS filesystem
[linux-2.6.git] / drivers / video / ps3fb.c
1 /*
2  *  linux/drivers/video/ps3fb.c -- PS3 GPU frame buffer device
3  *
4  *      Copyright (C) 2006 Sony Computer Entertainment Inc.
5  *      Copyright 2006, 2007 Sony Corporation
6  *
7  *  This file is based on :
8  *
9  *  linux/drivers/video/vfb.c -- Virtual frame buffer device
10  *
11  *      Copyright (C) 2002 James Simmons
12  *
13  *      Copyright (C) 1997 Geert Uytterhoeven
14  *
15  *  This file is subject to the terms and conditions of the GNU General Public
16  *  License. See the file COPYING in the main directory of this archive for
17  *  more details.
18  */
19
20 #include <linux/module.h>
21 #include <linux/kernel.h>
22 #include <linux/errno.h>
23 #include <linux/string.h>
24 #include <linux/mm.h>
25 #include <linux/interrupt.h>
26 #include <linux/console.h>
27 #include <linux/ioctl.h>
28 #include <linux/kthread.h>
29 #include <linux/freezer.h>
30 #include <linux/uaccess.h>
31 #include <linux/fb.h>
32 #include <linux/init.h>
33
34 #include <asm/abs_addr.h>
35 #include <asm/lv1call.h>
36 #include <asm/ps3av.h>
37 #include <asm/ps3fb.h>
38 #include <asm/ps3.h>
39
40
41 #define DEVICE_NAME             "ps3fb"
42
43 #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC    0x101
44 #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP    0x102
45 #define L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP        0x600
46 #define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT         0x601
47 #define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT_SYNC    0x602
48
49 #define L1GPU_FB_BLIT_WAIT_FOR_COMPLETION       (1ULL << 32)
50
51 #define L1GPU_DISPLAY_SYNC_HSYNC                1
52 #define L1GPU_DISPLAY_SYNC_VSYNC                2
53
54 #define GPU_CMD_BUF_SIZE                        (2 * 1024 * 1024)
55 #define GPU_FB_START                            (64 * 1024)
56 #define GPU_IOIF                                (0x0d000000UL)
57 #define GPU_ALIGN_UP(x)                         _ALIGN_UP((x), 64)
58 #define GPU_MAX_LINE_LENGTH                     (65536 - 64)
59
60 #define GPU_INTR_STATUS_VSYNC_0                 0       /* vsync on head A */
61 #define GPU_INTR_STATUS_VSYNC_1                 1       /* vsync on head B */
62 #define GPU_INTR_STATUS_FLIP_0                  3       /* flip head A */
63 #define GPU_INTR_STATUS_FLIP_1                  4       /* flip head B */
64 #define GPU_INTR_STATUS_QUEUE_0                 5       /* queue head A */
65 #define GPU_INTR_STATUS_QUEUE_1                 6       /* queue head B */
66
67 #define GPU_DRIVER_INFO_VERSION                 0x211
68
69 /* gpu internals */
70 struct display_head {
71         u64 be_time_stamp;
72         u32 status;
73         u32 offset;
74         u32 res1;
75         u32 res2;
76         u32 field;
77         u32 reserved1;
78
79         u64 res3;
80         u32 raster;
81
82         u64 vblank_count;
83         u32 field_vsync;
84         u32 reserved2;
85 };
86
87 struct gpu_irq {
88         u32 irq_outlet;
89         u32 status;
90         u32 mask;
91         u32 video_cause;
92         u32 graph_cause;
93         u32 user_cause;
94
95         u32 res1;
96         u64 res2;
97
98         u32 reserved[4];
99 };
100
101 struct gpu_driver_info {
102         u32 version_driver;
103         u32 version_gpu;
104         u32 memory_size;
105         u32 hardware_channel;
106
107         u32 nvcore_frequency;
108         u32 memory_frequency;
109
110         u32 reserved[1063];
111         struct display_head display_head[8];
112         struct gpu_irq irq;
113 };
114
115 struct ps3fb_priv {
116         unsigned int irq_no;
117
118         u64 context_handle, memory_handle;
119         struct gpu_driver_info *dinfo;
120
121         u64 vblank_count;       /* frame count */
122         wait_queue_head_t wait_vsync;
123
124         atomic_t ext_flip;      /* on/off flip with vsync */
125         atomic_t f_count;       /* fb_open count */
126         int is_blanked;
127         int is_kicked;
128         struct task_struct *task;
129 };
130 static struct ps3fb_priv ps3fb;
131
132 struct ps3fb_par {
133         u32 pseudo_palette[16];
134         int mode_id, new_mode_id;
135         unsigned int num_frames;        /* num of frame buffers */
136         unsigned int width;
137         unsigned int height;
138         unsigned int ddr_line_length;
139         unsigned int ddr_frame_size;
140         unsigned int xdr_frame_size;
141         unsigned int full_offset;       /* start of fullscreen DDR fb */
142         unsigned int fb_offset;         /* start of actual DDR fb */
143         unsigned int pan_offset;
144 };
145
146
147 #define FIRST_NATIVE_MODE_INDEX 10
148
149 static const struct fb_videomode ps3fb_modedb[] = {
150     /* 60 Hz broadcast modes (modes "1" to "5") */
151     {
152         /* 480i */
153         "480i", 60, 576, 384, 74074, 130, 89, 78, 57, 63, 6,
154         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
155     },    {
156         /* 480p */
157         "480p", 60, 576, 384, 37037, 130, 89, 78, 57, 63, 6,
158         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
159     },    {
160         /* 720p */
161         "720p", 60, 1124, 644, 13481, 298, 148, 57, 44, 80, 5,
162         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
163     },    {
164         /* 1080i */
165         "1080i", 60, 1688, 964, 13481, 264, 160, 94, 62, 88, 5,
166         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
167     },    {
168         /* 1080p */
169         "1080p", 60, 1688, 964, 6741, 264, 160, 94, 62, 88, 5,
170         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
171     },
172
173     /* 50 Hz broadcast modes (modes "6" to "10") */
174     {
175         /* 576i */
176         "576i", 50, 576, 460, 74074, 142, 83, 97, 63, 63, 5,
177         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
178     },    {
179         /* 576p */
180         "576p", 50, 576, 460, 37037, 142, 83, 97, 63, 63, 5,
181         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
182     },    {
183         /* 720p */
184         "720p", 50, 1124, 644, 13468, 298, 478, 57, 44, 80, 5,
185         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
186     },    {
187         /* 1080i */
188         "1080i", 50, 1688, 964, 13468, 264, 600, 94, 62, 88, 5,
189         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
190     },    {
191         /* 1080p */
192         "1080p", 50, 1688, 964, 6734, 264, 600, 94, 62, 88, 5,
193         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
194     },
195
196     [FIRST_NATIVE_MODE_INDEX] =
197     /* 60 Hz broadcast modes (full resolution versions of modes "1" to "5") */
198     {
199         /* 480if */
200         "480if", 60, 720, 480, 74074, 58, 17, 30, 9, 63, 6,
201         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
202     }, {
203         /* 480pf */
204         "480pf", 60, 720, 480, 37037, 58, 17, 30, 9, 63, 6,
205         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
206     }, {
207         /* 720pf */
208         "720pf", 60, 1280, 720, 13481, 220, 70, 19, 6, 80, 5,
209         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
210     }, {
211         /* 1080if */
212         "1080if", 60, 1920, 1080, 13481, 148, 44, 36, 4, 88, 5,
213         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
214     }, {
215         /* 1080pf */
216         "1080pf", 60, 1920, 1080, 6741, 148, 44, 36, 4, 88, 5,
217         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
218     },
219
220     /* 50 Hz broadcast modes (full resolution versions of modes "6" to "10") */
221     {
222         /* 576if */
223         "576if", 50, 720, 576, 74074, 70, 11, 39, 5, 63, 5,
224         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
225     }, {
226         /* 576pf */
227         "576pf", 50, 720, 576, 37037, 70, 11, 39, 5, 63, 5,
228         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
229     }, {
230         /* 720pf */
231         "720pf", 50, 1280, 720, 13468, 220, 400, 19, 6, 80, 5,
232         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
233     }, {
234         /* 1080if */
235         "1080if", 50, 1920, 1080, 13468, 148, 484, 36, 4, 88, 5,
236         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
237     }, {
238         /* 1080pf */
239         "1080pf", 50, 1920, 1080, 6734, 148, 484, 36, 4, 88, 5,
240         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
241     },
242
243     /* VESA modes (modes "11" to "13") */
244     {
245         /* WXGA */
246         "wxga", 60, 1280, 768, 12924, 160, 24, 29, 3, 136, 6,
247         0, FB_VMODE_NONINTERLACED,
248         FB_MODE_IS_VESA
249     }, {
250         /* SXGA */
251         "sxga", 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3,
252         FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED,
253         FB_MODE_IS_VESA
254     }, {
255         /* WUXGA */
256         "wuxga", 60, 1920, 1200, 6494, 80, 48, 26, 3, 32, 6,
257         FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED,
258         FB_MODE_IS_VESA
259     }
260 };
261
262
263 #define HEAD_A
264 #define HEAD_B
265
266 #define BPP             4                       /* number of bytes per pixel */
267
268
269 static int ps3fb_mode;
270 module_param(ps3fb_mode, int, 0);
271
272 static char *mode_option __devinitdata;
273
274 static int ps3fb_cmp_mode(const struct fb_videomode *vmode,
275                           const struct fb_var_screeninfo *var)
276 {
277         long xres, yres, left_margin, right_margin, upper_margin, lower_margin;
278         long dx, dy;
279
280         /* maximum values */
281         if (var->xres > vmode->xres || var->yres > vmode->yres ||
282             var->pixclock > vmode->pixclock ||
283             var->hsync_len > vmode->hsync_len ||
284             var->vsync_len > vmode->vsync_len)
285                 return -1;
286
287         /* progressive/interlaced must match */
288         if ((var->vmode & FB_VMODE_MASK) != vmode->vmode)
289                 return -1;
290
291         /* minimum resolution */
292         xres = max(var->xres, 1U);
293         yres = max(var->yres, 1U);
294
295         /* minimum margins */
296         left_margin = max(var->left_margin, vmode->left_margin);
297         right_margin = max(var->right_margin, vmode->right_margin);
298         upper_margin = max(var->upper_margin, vmode->upper_margin);
299         lower_margin = max(var->lower_margin, vmode->lower_margin);
300
301         /* resolution + margins may not exceed native parameters */
302         dx = ((long)vmode->left_margin + (long)vmode->xres +
303               (long)vmode->right_margin) -
304              (left_margin + xres + right_margin);
305         if (dx < 0)
306                 return -1;
307
308         dy = ((long)vmode->upper_margin + (long)vmode->yres +
309               (long)vmode->lower_margin) -
310              (upper_margin + yres + lower_margin);
311         if (dy < 0)
312                 return -1;
313
314         /* exact match */
315         if (!dx && !dy)
316                 return 0;
317
318         /* resolution difference */
319         return (vmode->xres - xres) * (vmode->yres - yres);
320 }
321
322 static const struct fb_videomode *ps3fb_native_vmode(enum ps3av_mode_num id)
323 {
324         return &ps3fb_modedb[FIRST_NATIVE_MODE_INDEX + id - 1];
325 }
326
327 static const struct fb_videomode *ps3fb_vmode(int id)
328 {
329         u32 mode = id & PS3AV_MODE_MASK;
330
331         if (mode < PS3AV_MODE_480I || mode > PS3AV_MODE_WUXGA)
332                 return NULL;
333
334         if (mode <= PS3AV_MODE_1080P50 && !(id & PS3AV_MODE_FULL)) {
335                 /* Non-fullscreen broadcast mode */
336                 return &ps3fb_modedb[mode - 1];
337         }
338
339         return ps3fb_native_vmode(mode);
340 }
341
342 static unsigned int ps3fb_find_mode(struct fb_var_screeninfo *var,
343                                     u32 *ddr_line_length, u32 *xdr_line_length)
344 {
345         unsigned int id, best_id;
346         int diff, best_diff;
347         const struct fb_videomode *vmode;
348         long gap;
349
350         best_id = 0;
351         best_diff = INT_MAX;
352         pr_debug("%s: wanted %u [%u] %u x %u [%u] %u\n", __func__,
353                  var->left_margin, var->xres, var->right_margin,
354                  var->upper_margin, var->yres, var->lower_margin);
355         for (id = PS3AV_MODE_480I; id <= PS3AV_MODE_WUXGA; id++) {
356                 vmode = ps3fb_native_vmode(id);
357                 diff = ps3fb_cmp_mode(vmode, var);
358                 pr_debug("%s: mode %u: %u [%u] %u x %u [%u] %u: diff = %d\n",
359                          __func__, id, vmode->left_margin, vmode->xres,
360                          vmode->right_margin, vmode->upper_margin,
361                          vmode->yres, vmode->lower_margin, diff);
362                 if (diff < 0)
363                         continue;
364                 if (diff < best_diff) {
365                         best_id = id;
366                         if (!diff)
367                                 break;
368                         best_diff = diff;
369                 }
370         }
371
372         if (!best_id) {
373                 pr_debug("%s: no suitable mode found\n", __func__);
374                 return 0;
375         }
376
377         id = best_id;
378         vmode = ps3fb_native_vmode(id);
379
380         *ddr_line_length = vmode->xres * BPP;
381
382         /* minimum resolution */
383         if (!var->xres)
384                 var->xres = 1;
385         if (!var->yres)
386                 var->yres = 1;
387
388         /* minimum virtual resolution */
389         if (var->xres_virtual < var->xres)
390                 var->xres_virtual = var->xres;
391         if (var->yres_virtual < var->yres)
392                 var->yres_virtual = var->yres;
393
394         /* minimum margins */
395         if (var->left_margin < vmode->left_margin)
396                 var->left_margin = vmode->left_margin;
397         if (var->right_margin < vmode->right_margin)
398                 var->right_margin = vmode->right_margin;
399         if (var->upper_margin < vmode->upper_margin)
400                 var->upper_margin = vmode->upper_margin;
401         if (var->lower_margin < vmode->lower_margin)
402                 var->lower_margin = vmode->lower_margin;
403
404         /* extra margins */
405         gap = ((long)vmode->left_margin + (long)vmode->xres +
406                (long)vmode->right_margin) -
407               ((long)var->left_margin + (long)var->xres +
408                (long)var->right_margin);
409         if (gap > 0) {
410                 var->left_margin += gap/2;
411                 var->right_margin += (gap+1)/2;
412                 pr_debug("%s: rounded up H to %u [%u] %u\n", __func__,
413                          var->left_margin, var->xres, var->right_margin);
414         }
415
416         gap = ((long)vmode->upper_margin + (long)vmode->yres +
417                (long)vmode->lower_margin) -
418               ((long)var->upper_margin + (long)var->yres +
419                (long)var->lower_margin);
420         if (gap > 0) {
421                 var->upper_margin += gap/2;
422                 var->lower_margin += (gap+1)/2;
423                 pr_debug("%s: rounded up V to %u [%u] %u\n", __func__,
424                          var->upper_margin, var->yres, var->lower_margin);
425         }
426
427         /* fixed fields */
428         var->pixclock = vmode->pixclock;
429         var->hsync_len = vmode->hsync_len;
430         var->vsync_len = vmode->vsync_len;
431         var->sync = vmode->sync;
432
433         if (ps3_compare_firmware_version(1, 9, 0) >= 0) {
434                 *xdr_line_length = GPU_ALIGN_UP(var->xres_virtual * BPP);
435                 if (*xdr_line_length > GPU_MAX_LINE_LENGTH)
436                         *xdr_line_length = GPU_MAX_LINE_LENGTH;
437         } else
438                 *xdr_line_length = *ddr_line_length;
439
440         if (vmode->sync & FB_SYNC_BROADCAST) {
441                 /* Full broadcast modes have the full mode bit set */
442                 if (vmode->xres == var->xres && vmode->yres == var->yres)
443                         id |= PS3AV_MODE_FULL;
444         }
445
446         pr_debug("%s: mode %u\n", __func__, id);
447         return id;
448 }
449
450 static void ps3fb_sync_image(struct device *dev, u64 frame_offset,
451                              u64 dst_offset, u64 src_offset, u32 width,
452                              u32 height, u32 dst_line_length,
453                              u32 src_line_length)
454 {
455         int status;
456         u64 line_length;
457
458         line_length = dst_line_length;
459         if (src_line_length != dst_line_length)
460                 line_length |= (u64)src_line_length << 32;
461
462         src_offset += GPU_FB_START;
463         status = lv1_gpu_context_attribute(ps3fb.context_handle,
464                                            L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT,
465                                            dst_offset, GPU_IOIF + src_offset,
466                                            L1GPU_FB_BLIT_WAIT_FOR_COMPLETION |
467                                            (width << 16) | height,
468                                            line_length);
469         if (status)
470                 dev_err(dev,
471                         "%s: lv1_gpu_context_attribute FB_BLIT failed: %d\n",
472                         __func__, status);
473 #ifdef HEAD_A
474         status = lv1_gpu_context_attribute(ps3fb.context_handle,
475                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
476                                            0, frame_offset, 0, 0);
477         if (status)
478                 dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
479                         __func__, status);
480 #endif
481 #ifdef HEAD_B
482         status = lv1_gpu_context_attribute(ps3fb.context_handle,
483                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
484                                            1, frame_offset, 0, 0);
485         if (status)
486                 dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
487                         __func__, status);
488 #endif
489 }
490
491 static int ps3fb_sync(struct fb_info *info, u32 frame)
492 {
493         struct ps3fb_par *par = info->par;
494         int error = 0;
495         u64 ddr_base, xdr_base;
496
497         if (frame > par->num_frames - 1) {
498                 dev_dbg(info->device, "%s: invalid frame number (%u)\n",
499                         __func__, frame);
500                 error = -EINVAL;
501                 goto out;
502         }
503
504         xdr_base = frame * par->xdr_frame_size;
505         ddr_base = frame * par->ddr_frame_size;
506
507         ps3fb_sync_image(info->device, ddr_base + par->full_offset,
508                          ddr_base + par->fb_offset, xdr_base + par->pan_offset,
509                          par->width, par->height, par->ddr_line_length,
510                          info->fix.line_length);
511
512 out:
513         return error;
514 }
515
516 static int ps3fb_open(struct fb_info *info, int user)
517 {
518         atomic_inc(&ps3fb.f_count);
519         return 0;
520 }
521
522 static int ps3fb_release(struct fb_info *info, int user)
523 {
524         if (atomic_dec_and_test(&ps3fb.f_count)) {
525                 if (atomic_read(&ps3fb.ext_flip)) {
526                         atomic_set(&ps3fb.ext_flip, 0);
527                         if (!try_acquire_console_sem()) {
528                                 ps3fb_sync(info, 0);    /* single buffer */
529                                 release_console_sem();
530                         }
531                 }
532         }
533         return 0;
534 }
535
536     /*
537      *  Setting the video mode has been split into two parts.
538      *  First part, xxxfb_check_var, must not write anything
539      *  to hardware, it should only verify and adjust var.
540      *  This means it doesn't alter par but it does use hardware
541      *  data from it to check this var.
542      */
543
544 static int ps3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
545 {
546         u32 xdr_line_length, ddr_line_length;
547         int mode;
548
549         mode = ps3fb_find_mode(var, &ddr_line_length, &xdr_line_length);
550         if (!mode)
551                 return -EINVAL;
552
553         /* Virtual screen */
554         if (var->xres_virtual > xdr_line_length / BPP) {
555                 dev_dbg(info->device,
556                         "Horizontal virtual screen size too large\n");
557                 return -EINVAL;
558         }
559
560         if (var->xoffset + var->xres > var->xres_virtual ||
561             var->yoffset + var->yres > var->yres_virtual) {
562                 dev_dbg(info->device, "panning out-of-range\n");
563                 return -EINVAL;
564         }
565
566         /* We support ARGB8888 only */
567         if (var->bits_per_pixel > 32 || var->grayscale ||
568             var->red.offset > 16 || var->green.offset > 8 ||
569             var->blue.offset > 0 || var->transp.offset > 24 ||
570             var->red.length > 8 || var->green.length > 8 ||
571             var->blue.length > 8 || var->transp.length > 8 ||
572             var->red.msb_right || var->green.msb_right ||
573             var->blue.msb_right || var->transp.msb_right || var->nonstd) {
574                 dev_dbg(info->device, "We support ARGB8888 only\n");
575                 return -EINVAL;
576         }
577
578         var->bits_per_pixel = 32;
579         var->red.offset = 16;
580         var->green.offset = 8;
581         var->blue.offset = 0;
582         var->transp.offset = 24;
583         var->red.length = 8;
584         var->green.length = 8;
585         var->blue.length = 8;
586         var->transp.length = 8;
587         var->red.msb_right = 0;
588         var->green.msb_right = 0;
589         var->blue.msb_right = 0;
590         var->transp.msb_right = 0;
591
592         /* Rotation is not supported */
593         if (var->rotate) {
594                 dev_dbg(info->device, "Rotation is not supported\n");
595                 return -EINVAL;
596         }
597
598         /* Memory limit */
599         if (var->yres_virtual * xdr_line_length > info->fix.smem_len) {
600                 dev_dbg(info->device, "Not enough memory\n");
601                 return -ENOMEM;
602         }
603
604         var->height = -1;
605         var->width = -1;
606
607         return 0;
608 }
609
610     /*
611      * This routine actually sets the video mode.
612      */
613
614 static int ps3fb_set_par(struct fb_info *info)
615 {
616         struct ps3fb_par *par = info->par;
617         unsigned int mode, ddr_line_length, xdr_line_length, lines, maxlines;
618         unsigned int ddr_xoff, ddr_yoff, offset;
619         const struct fb_videomode *vmode;
620         u64 dst;
621
622         mode = ps3fb_find_mode(&info->var, &ddr_line_length, &xdr_line_length);
623         if (!mode)
624                 return -EINVAL;
625
626         vmode = ps3fb_native_vmode(mode & PS3AV_MODE_MASK);
627
628         info->fix.xpanstep = info->var.xres_virtual > info->var.xres ? 1 : 0;
629         info->fix.ypanstep = info->var.yres_virtual > info->var.yres ? 1 : 0;
630         info->fix.line_length = xdr_line_length;
631
632         par->ddr_line_length = ddr_line_length;
633         par->ddr_frame_size = vmode->yres * ddr_line_length;
634         par->xdr_frame_size = info->var.yres_virtual * xdr_line_length;
635
636         par->num_frames = info->fix.smem_len /
637                           max(par->ddr_frame_size, par->xdr_frame_size);
638
639         /* Keep the special bits we cannot set using fb_var_screeninfo */
640         par->new_mode_id = (par->new_mode_id & ~PS3AV_MODE_MASK) | mode;
641
642         par->width = info->var.xres;
643         par->height = info->var.yres;
644
645         /* Start of the virtual frame buffer (relative to fullscreen) */
646         ddr_xoff = info->var.left_margin - vmode->left_margin;
647         ddr_yoff = info->var.upper_margin - vmode->upper_margin;
648         offset = ddr_yoff * ddr_line_length + ddr_xoff * BPP;
649
650         par->fb_offset = GPU_ALIGN_UP(offset);
651         par->full_offset = par->fb_offset - offset;
652         par->pan_offset = info->var.yoffset * xdr_line_length +
653                           info->var.xoffset * BPP;
654
655         if (par->new_mode_id != par->mode_id) {
656                 if (ps3av_set_video_mode(par->new_mode_id)) {
657                         par->new_mode_id = par->mode_id;
658                         return -EINVAL;
659                 }
660                 par->mode_id = par->new_mode_id;
661         }
662
663         /* Clear XDR frame buffer memory */
664         memset((void __force *)info->screen_base, 0, info->fix.smem_len);
665
666         /* Clear DDR frame buffer memory */
667         lines = vmode->yres * par->num_frames;
668         if (par->full_offset)
669                 lines++;
670         maxlines = info->fix.smem_len / ddr_line_length;
671         for (dst = 0; lines; dst += maxlines * ddr_line_length) {
672                 unsigned int l = min(lines, maxlines);
673                 ps3fb_sync_image(info->device, 0, dst, 0, vmode->xres, l,
674                                  ddr_line_length, ddr_line_length);
675                 lines -= l;
676         }
677
678         return 0;
679 }
680
681     /*
682      *  Set a single color register. The values supplied are already
683      *  rounded down to the hardware's capabilities (according to the
684      *  entries in the var structure). Return != 0 for invalid regno.
685      */
686
687 static int ps3fb_setcolreg(unsigned int regno, unsigned int red,
688                            unsigned int green, unsigned int blue,
689                            unsigned int transp, struct fb_info *info)
690 {
691         if (regno >= 16)
692                 return 1;
693
694         red >>= 8;
695         green >>= 8;
696         blue >>= 8;
697         transp >>= 8;
698
699         ((u32 *)info->pseudo_palette)[regno] = transp << 24 | red << 16 |
700                                                green << 8 | blue;
701         return 0;
702 }
703
704 static int ps3fb_pan_display(struct fb_var_screeninfo *var,
705                              struct fb_info *info)
706 {
707         struct ps3fb_par *par = info->par;
708
709         par->pan_offset = var->yoffset * info->fix.line_length +
710                           var->xoffset * BPP;
711         return 0;
712 }
713
714     /*
715      *  As we have a virtual frame buffer, we need our own mmap function
716      */
717
718 static int ps3fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
719 {
720         unsigned long size, offset;
721
722         size = vma->vm_end - vma->vm_start;
723         offset = vma->vm_pgoff << PAGE_SHIFT;
724         if (offset + size > info->fix.smem_len)
725                 return -EINVAL;
726
727         offset += info->fix.smem_start;
728         if (remap_pfn_range(vma, vma->vm_start, offset >> PAGE_SHIFT,
729                             size, vma->vm_page_prot))
730                 return -EAGAIN;
731
732         dev_dbg(info->device, "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n",
733                 offset, vma->vm_start);
734         return 0;
735 }
736
737     /*
738      * Blank the display
739      */
740
741 static int ps3fb_blank(int blank, struct fb_info *info)
742 {
743         int retval;
744
745         dev_dbg(info->device, "%s: blank:%d\n", __func__, blank);
746         switch (blank) {
747         case FB_BLANK_POWERDOWN:
748         case FB_BLANK_HSYNC_SUSPEND:
749         case FB_BLANK_VSYNC_SUSPEND:
750         case FB_BLANK_NORMAL:
751                 retval = ps3av_video_mute(1);   /* mute on */
752                 if (!retval)
753                         ps3fb.is_blanked = 1;
754                 break;
755
756         default:                /* unblank */
757                 retval = ps3av_video_mute(0);   /* mute off */
758                 if (!retval)
759                         ps3fb.is_blanked = 0;
760                 break;
761         }
762         return retval;
763 }
764
765 static int ps3fb_get_vblank(struct fb_vblank *vblank)
766 {
767         memset(vblank, 0, sizeof(*vblank));
768         vblank->flags = FB_VBLANK_HAVE_VSYNC;
769         return 0;
770 }
771
772 static int ps3fb_wait_for_vsync(u32 crtc)
773 {
774         int ret;
775         u64 count;
776
777         count = ps3fb.vblank_count;
778         ret = wait_event_interruptible_timeout(ps3fb.wait_vsync,
779                                                count != ps3fb.vblank_count,
780                                                HZ / 10);
781         if (!ret)
782                 return -ETIMEDOUT;
783
784         return 0;
785 }
786
787 static void ps3fb_flip_ctl(int on, void *data)
788 {
789         struct ps3fb_priv *priv = data;
790         if (on)
791                 atomic_dec_if_positive(&priv->ext_flip);
792         else
793                 atomic_inc(&priv->ext_flip);
794 }
795
796
797     /*
798      * ioctl
799      */
800
801 static int ps3fb_ioctl(struct fb_info *info, unsigned int cmd,
802                        unsigned long arg)
803 {
804         void __user *argp = (void __user *)arg;
805         u32 val;
806         int retval = -EFAULT;
807
808         switch (cmd) {
809         case FBIOGET_VBLANK:
810                 {
811                         struct fb_vblank vblank;
812                         dev_dbg(info->device, "FBIOGET_VBLANK:\n");
813                         retval = ps3fb_get_vblank(&vblank);
814                         if (retval)
815                                 break;
816
817                         if (copy_to_user(argp, &vblank, sizeof(vblank)))
818                                 retval = -EFAULT;
819                         break;
820                 }
821
822         case FBIO_WAITFORVSYNC:
823                 {
824                         u32 crt;
825                         dev_dbg(info->device, "FBIO_WAITFORVSYNC:\n");
826                         if (get_user(crt, (u32 __user *) arg))
827                                 break;
828
829                         retval = ps3fb_wait_for_vsync(crt);
830                         break;
831                 }
832
833         case PS3FB_IOCTL_SETMODE:
834                 {
835                         struct ps3fb_par *par = info->par;
836                         const struct fb_videomode *vmode;
837                         struct fb_var_screeninfo var;
838
839                         if (copy_from_user(&val, argp, sizeof(val)))
840                                 break;
841
842                         if (!(val & PS3AV_MODE_MASK)) {
843                                 u32 id = ps3av_get_auto_mode();
844                                 if (id > 0)
845                                         val = (val & ~PS3AV_MODE_MASK) | id;
846                         }
847                         dev_dbg(info->device, "PS3FB_IOCTL_SETMODE:%x\n", val);
848                         retval = -EINVAL;
849                         vmode = ps3fb_vmode(val);
850                         if (vmode) {
851                                 var = info->var;
852                                 fb_videomode_to_var(&var, vmode);
853                                 acquire_console_sem();
854                                 info->flags |= FBINFO_MISC_USEREVENT;
855                                 /* Force, in case only special bits changed */
856                                 var.activate |= FB_ACTIVATE_FORCE;
857                                 par->new_mode_id = val;
858                                 retval = fb_set_var(info, &var);
859                                 info->flags &= ~FBINFO_MISC_USEREVENT;
860                                 release_console_sem();
861                         }
862                         break;
863                 }
864
865         case PS3FB_IOCTL_GETMODE:
866                 val = ps3av_get_mode();
867                 dev_dbg(info->device, "PS3FB_IOCTL_GETMODE:%x\n", val);
868                 if (!copy_to_user(argp, &val, sizeof(val)))
869                         retval = 0;
870                 break;
871
872         case PS3FB_IOCTL_SCREENINFO:
873                 {
874                         struct ps3fb_par *par = info->par;
875                         struct ps3fb_ioctl_res res;
876                         dev_dbg(info->device, "PS3FB_IOCTL_SCREENINFO:\n");
877                         res.xres = info->fix.line_length / BPP;
878                         res.yres = info->var.yres_virtual;
879                         res.xoff = (res.xres - info->var.xres) / 2;
880                         res.yoff = (res.yres - info->var.yres) / 2;
881                         res.num_frames = par->num_frames;
882                         if (!copy_to_user(argp, &res, sizeof(res)))
883                                 retval = 0;
884                         break;
885                 }
886
887         case PS3FB_IOCTL_ON:
888                 dev_dbg(info->device, "PS3FB_IOCTL_ON:\n");
889                 atomic_inc(&ps3fb.ext_flip);
890                 retval = 0;
891                 break;
892
893         case PS3FB_IOCTL_OFF:
894                 dev_dbg(info->device, "PS3FB_IOCTL_OFF:\n");
895                 atomic_dec_if_positive(&ps3fb.ext_flip);
896                 retval = 0;
897                 break;
898
899         case PS3FB_IOCTL_FSEL:
900                 if (copy_from_user(&val, argp, sizeof(val)))
901                         break;
902
903                 dev_dbg(info->device, "PS3FB_IOCTL_FSEL:%d\n", val);
904                 acquire_console_sem();
905                 retval = ps3fb_sync(info, val);
906                 release_console_sem();
907                 break;
908
909         default:
910                 retval = -ENOIOCTLCMD;
911                 break;
912         }
913         return retval;
914 }
915
916 static int ps3fbd(void *arg)
917 {
918         struct fb_info *info = arg;
919
920         set_freezable();
921         while (!kthread_should_stop()) {
922                 try_to_freeze();
923                 set_current_state(TASK_INTERRUPTIBLE);
924                 if (ps3fb.is_kicked) {
925                         ps3fb.is_kicked = 0;
926                         acquire_console_sem();
927                         ps3fb_sync(info, 0);    /* single buffer */
928                         release_console_sem();
929                 }
930                 schedule();
931         }
932         return 0;
933 }
934
935 static irqreturn_t ps3fb_vsync_interrupt(int irq, void *ptr)
936 {
937         struct device *dev = ptr;
938         u64 v1;
939         int status;
940         struct display_head *head = &ps3fb.dinfo->display_head[1];
941
942         status = lv1_gpu_context_intr(ps3fb.context_handle, &v1);
943         if (status) {
944                 dev_err(dev, "%s: lv1_gpu_context_intr failed: %d\n", __func__,
945                         status);
946                 return IRQ_NONE;
947         }
948
949         if (v1 & (1 << GPU_INTR_STATUS_VSYNC_1)) {
950                 /* VSYNC */
951                 ps3fb.vblank_count = head->vblank_count;
952                 if (ps3fb.task && !ps3fb.is_blanked &&
953                     !atomic_read(&ps3fb.ext_flip)) {
954                         ps3fb.is_kicked = 1;
955                         wake_up_process(ps3fb.task);
956                 }
957                 wake_up_interruptible(&ps3fb.wait_vsync);
958         }
959
960         return IRQ_HANDLED;
961 }
962
963
964 static int ps3fb_vsync_settings(struct gpu_driver_info *dinfo,
965                                 struct device *dev)
966 {
967         int error;
968
969         dev_dbg(dev, "version_driver:%x\n", dinfo->version_driver);
970         dev_dbg(dev, "irq outlet:%x\n", dinfo->irq.irq_outlet);
971         dev_dbg(dev,
972                 "version_gpu: %x memory_size: %x ch: %x core_freq: %d "
973                 "mem_freq:%d\n",
974                 dinfo->version_gpu, dinfo->memory_size, dinfo->hardware_channel,
975                 dinfo->nvcore_frequency/1000000, dinfo->memory_frequency/1000000);
976
977         if (dinfo->version_driver != GPU_DRIVER_INFO_VERSION) {
978                 dev_err(dev, "%s: version_driver err:%x\n", __func__,
979                         dinfo->version_driver);
980                 return -EINVAL;
981         }
982
983         error = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet,
984                                    &ps3fb.irq_no);
985         if (error) {
986                 dev_err(dev, "%s: ps3_alloc_irq failed %d\n", __func__, error);
987                 return error;
988         }
989
990         error = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt, IRQF_DISABLED,
991                             DEVICE_NAME, dev);
992         if (error) {
993                 dev_err(dev, "%s: request_irq failed %d\n", __func__, error);
994                 ps3_irq_plug_destroy(ps3fb.irq_no);
995                 return error;
996         }
997
998         dinfo->irq.mask = (1 << GPU_INTR_STATUS_VSYNC_1) |
999                           (1 << GPU_INTR_STATUS_FLIP_1);
1000         return 0;
1001 }
1002
1003 static int ps3fb_xdr_settings(u64 xdr_lpar, struct device *dev)
1004 {
1005         int status;
1006
1007         status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF,
1008                                        xdr_lpar, ps3fb_videomemory.size, 0);
1009         if (status) {
1010                 dev_err(dev, "%s: lv1_gpu_context_iomap failed: %d\n",
1011                         __func__, status);
1012                 return -ENXIO;
1013         }
1014         dev_dbg(dev, "video:%p ioif:%lx lpar:%lx size:%lx\n",
1015                 ps3fb_videomemory.address, GPU_IOIF, xdr_lpar,
1016                 ps3fb_videomemory.size);
1017
1018         status = lv1_gpu_context_attribute(ps3fb.context_handle,
1019                                            L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP,
1020                                            xdr_lpar, GPU_CMD_BUF_SIZE,
1021                                            GPU_IOIF, 0);
1022         if (status) {
1023                 dev_err(dev,
1024                         "%s: lv1_gpu_context_attribute FB_SETUP failed: %d\n",
1025                         __func__, status);
1026                 return -ENXIO;
1027         }
1028         return 0;
1029 }
1030
1031 static struct fb_ops ps3fb_ops = {
1032         .fb_open        = ps3fb_open,
1033         .fb_release     = ps3fb_release,
1034         .fb_read        = fb_sys_read,
1035         .fb_write       = fb_sys_write,
1036         .fb_check_var   = ps3fb_check_var,
1037         .fb_set_par     = ps3fb_set_par,
1038         .fb_setcolreg   = ps3fb_setcolreg,
1039         .fb_pan_display = ps3fb_pan_display,
1040         .fb_fillrect    = sys_fillrect,
1041         .fb_copyarea    = sys_copyarea,
1042         .fb_imageblit   = sys_imageblit,
1043         .fb_mmap        = ps3fb_mmap,
1044         .fb_blank       = ps3fb_blank,
1045         .fb_ioctl       = ps3fb_ioctl,
1046         .fb_compat_ioctl = ps3fb_ioctl
1047 };
1048
1049 static struct fb_fix_screeninfo ps3fb_fix __initdata = {
1050         .id =           DEVICE_NAME,
1051         .type =         FB_TYPE_PACKED_PIXELS,
1052         .visual =       FB_VISUAL_TRUECOLOR,
1053         .accel =        FB_ACCEL_NONE,
1054 };
1055
1056 static int ps3fb_set_sync(struct device *dev)
1057 {
1058         int status;
1059
1060 #ifdef HEAD_A
1061         status = lv1_gpu_context_attribute(0x0,
1062                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
1063                                            0, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
1064         if (status) {
1065                 dev_err(dev,
1066                         "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
1067                         "%d\n",
1068                         __func__, status);
1069                 return -1;
1070         }
1071 #endif
1072 #ifdef HEAD_B
1073         status = lv1_gpu_context_attribute(0x0,
1074                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
1075                                            1, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
1076
1077         if (status) {
1078                 dev_err(dev,
1079                         "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
1080                         "%d\n",
1081                         __func__, status);
1082                 return -1;
1083         }
1084 #endif
1085         return 0;
1086 }
1087
1088 static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev)
1089 {
1090         struct fb_info *info;
1091         struct ps3fb_par *par;
1092         int retval = -ENOMEM;
1093         u64 ddr_lpar = 0;
1094         u64 lpar_dma_control = 0;
1095         u64 lpar_driver_info = 0;
1096         u64 lpar_reports = 0;
1097         u64 lpar_reports_size = 0;
1098         u64 xdr_lpar;
1099         void *fb_start;
1100         int status;
1101         struct task_struct *task;
1102         unsigned long max_ps3fb_size;
1103
1104         if (ps3fb_videomemory.size < GPU_CMD_BUF_SIZE) {
1105                 dev_err(&dev->core, "%s: Not enough video memory\n", __func__);
1106                 return -ENOMEM;
1107         }
1108
1109         status = ps3_open_hv_device(dev);
1110         if (status) {
1111                 dev_err(&dev->core, "%s: ps3_open_hv_device failed\n",
1112                         __func__);
1113                 goto err;
1114         }
1115
1116         if (!ps3fb_mode)
1117                 ps3fb_mode = ps3av_get_mode();
1118         dev_dbg(&dev->core, "ps3fb_mode: %d\n", ps3fb_mode);
1119
1120         atomic_set(&ps3fb.f_count, -1); /* fbcon opens ps3fb */
1121         atomic_set(&ps3fb.ext_flip, 0); /* for flip with vsync */
1122         init_waitqueue_head(&ps3fb.wait_vsync);
1123
1124         ps3fb_set_sync(&dev->core);
1125
1126         max_ps3fb_size = _ALIGN_UP(GPU_IOIF, 256*1024*1024) - GPU_IOIF;
1127         if (ps3fb_videomemory.size > max_ps3fb_size) {
1128                 dev_info(&dev->core, "Limiting ps3fb mem size to %lu bytes\n",
1129                          max_ps3fb_size);
1130                 ps3fb_videomemory.size = max_ps3fb_size;
1131         }
1132
1133         /* get gpu context handle */
1134         status = lv1_gpu_memory_allocate(ps3fb_videomemory.size, 0, 0, 0, 0,
1135                                          &ps3fb.memory_handle, &ddr_lpar);
1136         if (status) {
1137                 dev_err(&dev->core, "%s: lv1_gpu_memory_allocate failed: %d\n",
1138                         __func__, status);
1139                 goto err;
1140         }
1141         dev_dbg(&dev->core, "ddr:lpar:0x%lx\n", ddr_lpar);
1142
1143         status = lv1_gpu_context_allocate(ps3fb.memory_handle, 0,
1144                                           &ps3fb.context_handle,
1145                                           &lpar_dma_control, &lpar_driver_info,
1146                                           &lpar_reports, &lpar_reports_size);
1147         if (status) {
1148                 dev_err(&dev->core,
1149                         "%s: lv1_gpu_context_attribute failed: %d\n", __func__,
1150                         status);
1151                 goto err_gpu_memory_free;
1152         }
1153
1154         /* vsync interrupt */
1155         ps3fb.dinfo = (void __force *)ioremap(lpar_driver_info, 128 * 1024);
1156         if (!ps3fb.dinfo) {
1157                 dev_err(&dev->core, "%s: ioremap failed\n", __func__);
1158                 goto err_gpu_context_free;
1159         }
1160
1161         retval = ps3fb_vsync_settings(ps3fb.dinfo, &dev->core);
1162         if (retval)
1163                 goto err_iounmap_dinfo;
1164
1165         /* Clear memory to prevent kernel info leakage into userspace */
1166         memset(ps3fb_videomemory.address, 0, ps3fb_videomemory.size);
1167
1168         xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb_videomemory.address));
1169         retval = ps3fb_xdr_settings(xdr_lpar, &dev->core);
1170         if (retval)
1171                 goto err_free_irq;
1172
1173         info = framebuffer_alloc(sizeof(struct ps3fb_par), &dev->core);
1174         if (!info)
1175                 goto err_free_irq;
1176
1177         par = info->par;
1178         par->mode_id = ~ps3fb_mode;     /* != ps3fb_mode, to trigger change */
1179         par->new_mode_id = ps3fb_mode;
1180         par->num_frames = 1;
1181
1182         info->fbops = &ps3fb_ops;
1183         info->fix = ps3fb_fix;
1184
1185         /*
1186          * The GPU command buffer is at the start of video memory
1187          * As we don't use the full command buffer, we can put the actual
1188          * frame buffer at offset GPU_FB_START and save some precious XDR
1189          * memory
1190          */
1191         fb_start = ps3fb_videomemory.address + GPU_FB_START;
1192         info->screen_base = (char __force __iomem *)fb_start;
1193         info->fix.smem_start = virt_to_abs(fb_start);
1194         info->fix.smem_len = ps3fb_videomemory.size - GPU_FB_START;
1195
1196         info->pseudo_palette = par->pseudo_palette;
1197         info->flags = FBINFO_DEFAULT | FBINFO_READS_FAST |
1198                       FBINFO_HWACCEL_XPAN | FBINFO_HWACCEL_YPAN;
1199
1200         retval = fb_alloc_cmap(&info->cmap, 256, 0);
1201         if (retval < 0)
1202                 goto err_framebuffer_release;
1203
1204         if (!fb_find_mode(&info->var, info, mode_option, ps3fb_modedb,
1205                           ARRAY_SIZE(ps3fb_modedb),
1206                           ps3fb_vmode(par->new_mode_id), 32)) {
1207                 retval = -EINVAL;
1208                 goto err_fb_dealloc;
1209         }
1210
1211         fb_videomode_to_modelist(ps3fb_modedb, ARRAY_SIZE(ps3fb_modedb),
1212                                  &info->modelist);
1213
1214         retval = register_framebuffer(info);
1215         if (retval < 0)
1216                 goto err_fb_dealloc;
1217
1218         dev->core.driver_data = info;
1219
1220         dev_info(info->device, "%s %s, using %u KiB of video memory\n",
1221                  dev_driver_string(info->dev), info->dev->bus_id,
1222                  info->fix.smem_len >> 10);
1223
1224         task = kthread_run(ps3fbd, info, DEVICE_NAME);
1225         if (IS_ERR(task)) {
1226                 retval = PTR_ERR(task);
1227                 goto err_unregister_framebuffer;
1228         }
1229
1230         ps3fb.task = task;
1231         ps3av_register_flip_ctl(ps3fb_flip_ctl, &ps3fb);
1232
1233         return 0;
1234
1235 err_unregister_framebuffer:
1236         unregister_framebuffer(info);
1237 err_fb_dealloc:
1238         fb_dealloc_cmap(&info->cmap);
1239 err_framebuffer_release:
1240         framebuffer_release(info);
1241 err_free_irq:
1242         free_irq(ps3fb.irq_no, &dev->core);
1243         ps3_irq_plug_destroy(ps3fb.irq_no);
1244 err_iounmap_dinfo:
1245         iounmap((u8 __force __iomem *)ps3fb.dinfo);
1246 err_gpu_context_free:
1247         lv1_gpu_context_free(ps3fb.context_handle);
1248 err_gpu_memory_free:
1249         lv1_gpu_memory_free(ps3fb.memory_handle);
1250 err:
1251         return retval;
1252 }
1253
1254 static int ps3fb_shutdown(struct ps3_system_bus_device *dev)
1255 {
1256         int status;
1257         struct fb_info *info = dev->core.driver_data;
1258
1259         dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
1260
1261         ps3fb_flip_ctl(0, &ps3fb);      /* flip off */
1262         ps3fb.dinfo->irq.mask = 0;
1263
1264         ps3av_register_flip_ctl(NULL, NULL);
1265         if (ps3fb.task) {
1266                 struct task_struct *task = ps3fb.task;
1267                 ps3fb.task = NULL;
1268                 kthread_stop(task);
1269         }
1270         if (ps3fb.irq_no) {
1271                 free_irq(ps3fb.irq_no, &dev->core);
1272                 ps3_irq_plug_destroy(ps3fb.irq_no);
1273         }
1274         if (info) {
1275                 unregister_framebuffer(info);
1276                 fb_dealloc_cmap(&info->cmap);
1277                 framebuffer_release(info);
1278                 info = dev->core.driver_data = NULL;
1279         }
1280         iounmap((u8 __force __iomem *)ps3fb.dinfo);
1281
1282         status = lv1_gpu_context_free(ps3fb.context_handle);
1283         if (status)
1284                 dev_dbg(&dev->core, "lv1_gpu_context_free failed: %d\n",
1285                         status);
1286
1287         status = lv1_gpu_memory_free(ps3fb.memory_handle);
1288         if (status)
1289                 dev_dbg(&dev->core, "lv1_gpu_memory_free failed: %d\n",
1290                         status);
1291
1292         ps3_close_hv_device(dev);
1293         dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
1294
1295         return 0;
1296 }
1297
1298 static struct ps3_system_bus_driver ps3fb_driver = {
1299         .match_id       = PS3_MATCH_ID_GRAPHICS,
1300         .match_sub_id   = PS3_MATCH_SUB_ID_FB,
1301         .core.name      = DEVICE_NAME,
1302         .core.owner     = THIS_MODULE,
1303         .probe          = ps3fb_probe,
1304         .remove         = ps3fb_shutdown,
1305         .shutdown       = ps3fb_shutdown,
1306 };
1307
1308 static int __init ps3fb_setup(void)
1309 {
1310         char *options;
1311
1312 #ifdef MODULE
1313         return 0;
1314 #endif
1315
1316         if (fb_get_options(DEVICE_NAME, &options))
1317                 return -ENXIO;
1318
1319         if (!options || !*options)
1320                 return 0;
1321
1322         while (1) {
1323                 char *this_opt = strsep(&options, ",");
1324
1325                 if (!this_opt)
1326                         break;
1327                 if (!*this_opt)
1328                         continue;
1329                 if (!strncmp(this_opt, "mode:", 5))
1330                         ps3fb_mode = simple_strtoul(this_opt + 5, NULL, 0);
1331                 else
1332                         mode_option = this_opt;
1333         }
1334         return 0;
1335 }
1336
1337 static int __init ps3fb_init(void)
1338 {
1339         if (!ps3fb_videomemory.address ||  ps3fb_setup())
1340                 return -ENXIO;
1341
1342         return ps3_system_bus_driver_register(&ps3fb_driver);
1343 }
1344
1345 static void __exit ps3fb_exit(void)
1346 {
1347         pr_debug(" -> %s:%d\n", __func__, __LINE__);
1348         ps3_system_bus_driver_unregister(&ps3fb_driver);
1349         pr_debug(" <- %s:%d\n", __func__, __LINE__);
1350 }
1351
1352 module_init(ps3fb_init);
1353 module_exit(ps3fb_exit);
1354
1355 MODULE_LICENSE("GPL");
1356 MODULE_DESCRIPTION("PS3 GPU Frame Buffer Driver");
1357 MODULE_AUTHOR("Sony Computer Entertainment Inc.");
1358 MODULE_ALIAS(PS3_MODULE_ALIAS_GRAPHICS);