Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild
[linux-2.6] / 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 DDR_SIZE                                (0)     /* used no ddr */
55 #define GPU_CMD_BUF_SIZE                        (64 * 1024)
56 #define GPU_IOIF                                (0x0d000000UL)
57 #define GPU_ALIGN_UP(x)                         _ALIGN_UP((x), 64)
58 #define GPU_MAX_LINE_LENGTH                     (65536 - 64)
59
60 #define PS3FB_FULL_MODE_BIT                     0x80
61
62 #define GPU_INTR_STATUS_VSYNC_0                 0       /* vsync on head A */
63 #define GPU_INTR_STATUS_VSYNC_1                 1       /* vsync on head B */
64 #define GPU_INTR_STATUS_FLIP_0                  3       /* flip head A */
65 #define GPU_INTR_STATUS_FLIP_1                  4       /* flip head B */
66 #define GPU_INTR_STATUS_QUEUE_0                 5       /* queue head A */
67 #define GPU_INTR_STATUS_QUEUE_1                 6       /* queue head B */
68
69 #define GPU_DRIVER_INFO_VERSION                 0x211
70
71 /* gpu internals */
72 struct display_head {
73         u64 be_time_stamp;
74         u32 status;
75         u32 offset;
76         u32 res1;
77         u32 res2;
78         u32 field;
79         u32 reserved1;
80
81         u64 res3;
82         u32 raster;
83
84         u64 vblank_count;
85         u32 field_vsync;
86         u32 reserved2;
87 };
88
89 struct gpu_irq {
90         u32 irq_outlet;
91         u32 status;
92         u32 mask;
93         u32 video_cause;
94         u32 graph_cause;
95         u32 user_cause;
96
97         u32 res1;
98         u64 res2;
99
100         u32 reserved[4];
101 };
102
103 struct gpu_driver_info {
104         u32 version_driver;
105         u32 version_gpu;
106         u32 memory_size;
107         u32 hardware_channel;
108
109         u32 nvcore_frequency;
110         u32 memory_frequency;
111
112         u32 reserved[1063];
113         struct display_head display_head[8];
114         struct gpu_irq irq;
115 };
116
117 struct ps3fb_priv {
118         unsigned int irq_no;
119
120         u64 context_handle, memory_handle;
121         void *xdr_ea;
122         size_t xdr_size;
123         struct gpu_driver_info *dinfo;
124
125         u64 vblank_count;       /* frame count */
126         wait_queue_head_t wait_vsync;
127
128         atomic_t ext_flip;      /* on/off flip with vsync */
129         atomic_t f_count;       /* fb_open count */
130         int is_blanked;
131         int is_kicked;
132         struct task_struct *task;
133 };
134 static struct ps3fb_priv ps3fb;
135
136 struct ps3fb_par {
137         u32 pseudo_palette[16];
138         int mode_id, new_mode_id;
139         int res_index;
140         unsigned int num_frames;        /* num of frame buffers */
141         unsigned int width;
142         unsigned int height;
143         unsigned long full_offset;      /* start of fullscreen DDR fb */
144         unsigned long fb_offset;        /* start of actual DDR fb */
145         unsigned long pan_offset;
146 };
147
148 struct ps3fb_res_table {
149         u32 xres;
150         u32 yres;
151         u32 xoff;
152         u32 yoff;
153         u32 type;
154 };
155 #define PS3FB_RES_FULL 1
156 static const struct ps3fb_res_table ps3fb_res[] = {
157         /* res_x,y   margin_x,y  full */
158         {  720,  480,  72,  48 , 0},
159         {  720,  576,  72,  58 , 0},
160         { 1280,  720,  78,  38 , 0},
161         { 1920, 1080, 116,  58 , 0},
162         /* full mode */
163         {  720,  480,   0,   0 , PS3FB_RES_FULL},
164         {  720,  576,   0,   0 , PS3FB_RES_FULL},
165         { 1280,  720,   0,   0 , PS3FB_RES_FULL},
166         { 1920, 1080,   0,   0 , PS3FB_RES_FULL},
167         /* vesa: normally full mode */
168         { 1280,  768,   0,   0 , 0},
169         { 1280, 1024,   0,   0 , 0},
170         { 1920, 1200,   0,   0 , 0},
171         {    0,    0,   0,   0 , 0} };
172
173 /* default resolution */
174 #define GPU_RES_INDEX   0               /* 720 x 480 */
175
176 static const struct fb_videomode ps3fb_modedb[] = {
177     /* 60 Hz broadcast modes (modes "1" to "5") */
178     {
179         /* 480i */
180         "480i", 60, 576, 384, 74074, 130, 89, 78, 57, 63, 6,
181         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
182     },    {
183         /* 480p */
184         "480p", 60, 576, 384, 37037, 130, 89, 78, 57, 63, 6,
185         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
186     },    {
187         /* 720p */
188         "720p", 60, 1124, 644, 13481, 298, 148, 57, 44, 80, 5,
189         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
190     },    {
191         /* 1080i */
192         "1080i", 60, 1688, 964, 13481, 264, 160, 94, 62, 88, 5,
193         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
194     },    {
195         /* 1080p */
196         "1080p", 60, 1688, 964, 6741, 264, 160, 94, 62, 88, 5,
197         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
198     },
199
200     /* 50 Hz broadcast modes (modes "6" to "10") */
201     {
202         /* 576i */
203         "576i", 50, 576, 460, 74074, 142, 83, 97, 63, 63, 5,
204         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
205     },    {
206         /* 576p */
207         "576p", 50, 576, 460, 37037, 142, 83, 97, 63, 63, 5,
208         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
209     },    {
210         /* 720p */
211         "720p", 50, 1124, 644, 13468, 298, 478, 57, 44, 80, 5,
212         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
213     },    {
214         /* 1080 */
215         "1080i", 50, 1688, 964, 13468, 264, 600, 94, 62, 88, 5,
216         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
217     },    {
218         /* 1080p */
219         "1080p", 50, 1688, 964, 6734, 264, 600, 94, 62, 88, 5,
220         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
221     },
222
223     /* VESA modes (modes "11" to "13") */
224     {
225         /* WXGA */
226         "wxga", 60, 1280, 768, 12924, 160, 24, 29, 3, 136, 6,
227         0, FB_VMODE_NONINTERLACED,
228         FB_MODE_IS_VESA
229     }, {
230         /* SXGA */
231         "sxga", 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3,
232         FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED,
233         FB_MODE_IS_VESA
234     }, {
235         /* WUXGA */
236         "wuxga", 60, 1920, 1200, 6494, 80, 48, 26, 3, 32, 6,
237         FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED,
238         FB_MODE_IS_VESA
239     },
240
241     /* 60 Hz broadcast modes (full resolution versions of modes "1" to "5") */
242     {
243         /* 480if */
244         "480if", 60, 720, 480, 74074, 58, 17, 30, 9, 63, 6,
245         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
246     }, {
247         /* 480pf */
248         "480pf", 60, 720, 480, 37037, 58, 17, 30, 9, 63, 6,
249         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
250     }, {
251         /* 720pf */
252         "720pf", 60, 1280, 720, 13481, 220, 70, 19, 6, 80, 5,
253         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
254     }, {
255         /* 1080if */
256         "1080if", 60, 1920, 1080, 13481, 148, 44, 36, 4, 88, 5,
257         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
258     }, {
259         /* 1080pf */
260         "1080pf", 60, 1920, 1080, 6741, 148, 44, 36, 4, 88, 5,
261         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
262     },
263
264     /* 50 Hz broadcast modes (full resolution versions of modes "6" to "10") */
265     {
266         /* 576if */
267         "576if", 50, 720, 576, 74074, 70, 11, 39, 5, 63, 5,
268         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
269     }, {
270         /* 576pf */
271         "576pf", 50, 720, 576, 37037, 70, 11, 39, 5, 63, 5,
272         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
273     }, {
274         /* 720pf */
275         "720pf", 50, 1280, 720, 13468, 220, 400, 19, 6, 80, 5,
276         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
277     }, {
278         /* 1080if */
279         "1080f", 50, 1920, 1080, 13468, 148, 484, 36, 4, 88, 5,
280         FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
281     }, {
282         /* 1080pf */
283         "1080pf", 50, 1920, 1080, 6734, 148, 484, 36, 4, 88, 5,
284         FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
285     }
286 };
287
288
289 #define HEAD_A
290 #define HEAD_B
291
292 #define X_OFF(i)        (ps3fb_res[i].xoff)     /* left/right margin (pixel) */
293 #define Y_OFF(i)        (ps3fb_res[i].yoff)     /* top/bottom margin (pixel) */
294 #define WIDTH(i)        (ps3fb_res[i].xres)     /* width of FB */
295 #define HEIGHT(i)       (ps3fb_res[i].yres)     /* height of FB */
296 #define BPP             4                       /* number of bytes per pixel */
297
298 /* Start of the virtual frame buffer (relative to fullscreen ) */
299 #define VP_OFF(i)       ((WIDTH(i) * Y_OFF(i) + X_OFF(i)) * BPP)
300
301
302 static int ps3fb_mode;
303 module_param(ps3fb_mode, int, 0);
304
305 static char *mode_option __devinitdata;
306
307 static int ps3fb_get_res_table(u32 xres, u32 yres, int mode)
308 {
309         int full_mode;
310         unsigned int i;
311         u32 x, y, f;
312
313         full_mode = (mode & PS3FB_FULL_MODE_BIT) ? PS3FB_RES_FULL : 0;
314         for (i = 0;; i++) {
315                 x = ps3fb_res[i].xres;
316                 y = ps3fb_res[i].yres;
317                 f = ps3fb_res[i].type;
318
319                 if (!x) {
320                         pr_debug("ERROR: ps3fb_get_res_table()\n");
321                         return -1;
322                 }
323
324                 if (full_mode == PS3FB_RES_FULL && f != PS3FB_RES_FULL)
325                         continue;
326
327                 if (x == xres && (yres == 0 || y == yres))
328                         break;
329
330                 x = x - 2 * ps3fb_res[i].xoff;
331                 y = y - 2 * ps3fb_res[i].yoff;
332                 if (x == xres && (yres == 0 || y == yres))
333                         break;
334         }
335         return i;
336 }
337
338 static unsigned int ps3fb_find_mode(const struct fb_var_screeninfo *var,
339                                     u32 *ddr_line_length, u32 *xdr_line_length)
340 {
341         unsigned int i, mode;
342
343         for (i = 0; i < ARRAY_SIZE(ps3fb_modedb); i++)
344                 if (var->xres == ps3fb_modedb[i].xres &&
345                     var->yres == ps3fb_modedb[i].yres &&
346                     var->pixclock == ps3fb_modedb[i].pixclock &&
347                     var->hsync_len == ps3fb_modedb[i].hsync_len &&
348                     var->vsync_len == ps3fb_modedb[i].vsync_len &&
349                     var->left_margin == ps3fb_modedb[i].left_margin &&
350                     var->right_margin == ps3fb_modedb[i].right_margin &&
351                     var->upper_margin == ps3fb_modedb[i].upper_margin &&
352                     var->lower_margin == ps3fb_modedb[i].lower_margin &&
353                     var->sync == ps3fb_modedb[i].sync &&
354                     (var->vmode & FB_VMODE_MASK) == ps3fb_modedb[i].vmode)
355                         goto found;
356
357         pr_debug("ps3fb_find_mode: mode not found\n");
358         return 0;
359
360 found:
361         /* Cropped broadcast modes use the full line length */
362         *ddr_line_length = ps3fb_modedb[i < 10 ? i + 13 : i].xres * BPP;
363
364         if (ps3_compare_firmware_version(1, 9, 0) >= 0) {
365                 *xdr_line_length = GPU_ALIGN_UP(max(var->xres,
366                                                     var->xres_virtual) * BPP);
367                 if (*xdr_line_length > GPU_MAX_LINE_LENGTH)
368                         *xdr_line_length = GPU_MAX_LINE_LENGTH;
369         } else
370                 *xdr_line_length = *ddr_line_length;
371
372         /* Full broadcast modes have the full mode bit set */
373         mode = i > 12 ? (i - 12) | PS3FB_FULL_MODE_BIT : i + 1;
374
375         pr_debug("ps3fb_find_mode: mode %u\n", mode);
376
377         return mode;
378 }
379
380 static const struct fb_videomode *ps3fb_default_mode(int id)
381 {
382         u32 mode = id & PS3AV_MODE_MASK;
383         u32 flags;
384
385         if (mode < 1 || mode > 13)
386                 return NULL;
387
388         flags = id & ~PS3AV_MODE_MASK;
389
390         if (mode <= 10 && flags & PS3FB_FULL_MODE_BIT) {
391                 /* Full broadcast mode */
392                 return &ps3fb_modedb[mode + 12];
393         }
394
395         return &ps3fb_modedb[mode - 1];
396 }
397
398 static void ps3fb_sync_image(struct device *dev, u64 frame_offset,
399                              u64 dst_offset, u64 src_offset, u32 width,
400                              u32 height, u32 dst_line_length,
401                              u32 src_line_length)
402 {
403         int status;
404         u64 line_length;
405
406         line_length = dst_line_length;
407         if (src_line_length != dst_line_length)
408                 line_length |= (u64)src_line_length << 32;
409
410         status = lv1_gpu_context_attribute(ps3fb.context_handle,
411                                            L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT,
412                                            dst_offset, GPU_IOIF + src_offset,
413                                            L1GPU_FB_BLIT_WAIT_FOR_COMPLETION |
414                                            (width << 16) | height,
415                                            line_length);
416         if (status)
417                 dev_err(dev,
418                         "%s: lv1_gpu_context_attribute FB_BLIT failed: %d\n",
419                         __func__, status);
420 #ifdef HEAD_A
421         status = lv1_gpu_context_attribute(ps3fb.context_handle,
422                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
423                                            0, frame_offset, 0, 0);
424         if (status)
425                 dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
426                         __func__, status);
427 #endif
428 #ifdef HEAD_B
429         status = lv1_gpu_context_attribute(ps3fb.context_handle,
430                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
431                                            1, frame_offset, 0, 0);
432         if (status)
433                 dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
434                         __func__, status);
435 #endif
436 }
437
438 static int ps3fb_sync(struct fb_info *info, u32 frame)
439 {
440         struct ps3fb_par *par = info->par;
441         int i, error = 0;
442         u32 ddr_line_length, xdr_line_length;
443         u64 ddr_base, xdr_base;
444
445         acquire_console_sem();
446
447         if (frame > par->num_frames - 1) {
448                 dev_dbg(info->device, "%s: invalid frame number (%u)\n",
449                         __func__, frame);
450                 error = -EINVAL;
451                 goto out;
452         }
453
454         i = par->res_index;
455         xdr_line_length = info->fix.line_length;
456         ddr_line_length = ps3fb_res[i].xres * BPP;
457         xdr_base = frame * info->var.yres_virtual * xdr_line_length;
458         ddr_base = frame * ps3fb_res[i].yres * ddr_line_length;
459
460         ps3fb_sync_image(info->device, ddr_base + par->full_offset,
461                          ddr_base + par->fb_offset, xdr_base + par->pan_offset,
462                          par->width, par->height, ddr_line_length,
463                          xdr_line_length);
464
465 out:
466         release_console_sem();
467         return error;
468 }
469
470 static int ps3fb_open(struct fb_info *info, int user)
471 {
472         atomic_inc(&ps3fb.f_count);
473         return 0;
474 }
475
476 static int ps3fb_release(struct fb_info *info, int user)
477 {
478         if (atomic_dec_and_test(&ps3fb.f_count)) {
479                 if (atomic_read(&ps3fb.ext_flip)) {
480                         atomic_set(&ps3fb.ext_flip, 0);
481                         ps3fb_sync(info, 0);    /* single buffer */
482                 }
483         }
484         return 0;
485 }
486
487     /*
488      *  Setting the video mode has been split into two parts.
489      *  First part, xxxfb_check_var, must not write anything
490      *  to hardware, it should only verify and adjust var.
491      *  This means it doesn't alter par but it does use hardware
492      *  data from it to check this var.
493      */
494
495 static int ps3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
496 {
497         u32 xdr_line_length, ddr_line_length;
498         int mode;
499
500         dev_dbg(info->device, "var->xres:%u info->var.xres:%u\n", var->xres,
501                 info->var.xres);
502         dev_dbg(info->device, "var->yres:%u info->var.yres:%u\n", var->yres,
503                 info->var.yres);
504
505         /* FIXME For now we do exact matches only */
506         mode = ps3fb_find_mode(var, &ddr_line_length, &xdr_line_length);
507         if (!mode)
508                 return -EINVAL;
509
510         /* Virtual screen */
511         if (var->xres_virtual < var->xres)
512                 var->xres_virtual = var->xres;
513         if (var->yres_virtual < var->yres)
514                 var->yres_virtual = var->yres;
515
516         if (var->xres_virtual > xdr_line_length / BPP) {
517                 dev_dbg(info->device,
518                         "Horizontal virtual screen size too large\n");
519                 return -EINVAL;
520         }
521
522         if (var->xoffset + var->xres > var->xres_virtual ||
523             var->yoffset + var->yres > var->yres_virtual) {
524                 dev_dbg(info->device, "panning out-of-range\n");
525                 return -EINVAL;
526         }
527
528         /* We support ARGB8888 only */
529         if (var->bits_per_pixel > 32 || var->grayscale ||
530             var->red.offset > 16 || var->green.offset > 8 ||
531             var->blue.offset > 0 || var->transp.offset > 24 ||
532             var->red.length > 8 || var->green.length > 8 ||
533             var->blue.length > 8 || var->transp.length > 8 ||
534             var->red.msb_right || var->green.msb_right ||
535             var->blue.msb_right || var->transp.msb_right || var->nonstd) {
536                 dev_dbg(info->device, "We support ARGB8888 only\n");
537                 return -EINVAL;
538         }
539
540         var->bits_per_pixel = 32;
541         var->red.offset = 16;
542         var->green.offset = 8;
543         var->blue.offset = 0;
544         var->transp.offset = 24;
545         var->red.length = 8;
546         var->green.length = 8;
547         var->blue.length = 8;
548         var->transp.length = 8;
549         var->red.msb_right = 0;
550         var->green.msb_right = 0;
551         var->blue.msb_right = 0;
552         var->transp.msb_right = 0;
553
554         /* Rotation is not supported */
555         if (var->rotate) {
556                 dev_dbg(info->device, "Rotation is not supported\n");
557                 return -EINVAL;
558         }
559
560         /* Memory limit */
561         if (var->yres_virtual * xdr_line_length > ps3fb.xdr_size) {
562                 dev_dbg(info->device, "Not enough memory\n");
563                 return -ENOMEM;
564         }
565
566         var->height = -1;
567         var->width = -1;
568
569         return 0;
570 }
571
572     /*
573      * This routine actually sets the video mode.
574      */
575
576 static int ps3fb_set_par(struct fb_info *info)
577 {
578         struct ps3fb_par *par = info->par;
579         unsigned int mode, ddr_line_length, xdr_line_length, lines, maxlines;
580         int i;
581         unsigned long offset;
582         u64 dst;
583
584         dev_dbg(info->device, "xres:%d xv:%d yres:%d yv:%d clock:%d\n",
585                 info->var.xres, info->var.xres_virtual,
586                 info->var.yres, info->var.yres_virtual, info->var.pixclock);
587
588         mode = ps3fb_find_mode(&info->var, &ddr_line_length, &xdr_line_length);
589         if (!mode)
590                 return -EINVAL;
591
592         i = ps3fb_get_res_table(info->var.xres, info->var.yres, mode);
593         par->res_index = i;
594
595         info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea);
596         info->fix.smem_len = ps3fb.xdr_size;
597         info->fix.xpanstep = info->var.xres_virtual > info->var.xres ? 1 : 0;
598         info->fix.ypanstep = info->var.yres_virtual > info->var.yres ? 1 : 0;
599         info->fix.line_length = xdr_line_length;
600
601         info->screen_base = (char __iomem *)ps3fb.xdr_ea;
602
603         par->num_frames = ps3fb.xdr_size /
604                           max(ps3fb_res[i].yres * ddr_line_length,
605                               info->var.yres_virtual * xdr_line_length);
606
607         /* Keep the special bits we cannot set using fb_var_screeninfo */
608         par->new_mode_id = (par->new_mode_id & ~PS3AV_MODE_MASK) | mode;
609
610         par->width = info->var.xres;
611         par->height = info->var.yres;
612         offset = VP_OFF(i);
613         par->fb_offset = GPU_ALIGN_UP(offset);
614         par->full_offset = par->fb_offset - offset;
615         par->pan_offset = info->var.yoffset * xdr_line_length +
616                           info->var.xoffset * BPP;
617
618         if (par->new_mode_id != par->mode_id) {
619                 if (ps3av_set_video_mode(par->new_mode_id)) {
620                         par->new_mode_id = par->mode_id;
621                         return -EINVAL;
622                 }
623                 par->mode_id = par->new_mode_id;
624         }
625
626         /* Clear XDR frame buffer memory */
627         memset(ps3fb.xdr_ea, 0, ps3fb.xdr_size);
628
629         /* Clear DDR frame buffer memory */
630         lines = ps3fb_res[i].yres * par->num_frames;
631         if (par->full_offset)
632                 lines++;
633         maxlines = ps3fb.xdr_size / ddr_line_length;
634         for (dst = 0; lines; dst += maxlines * ddr_line_length) {
635                 unsigned int l = min(lines, maxlines);
636                 ps3fb_sync_image(info->device, 0, dst, 0, ps3fb_res[i].xres, l,
637                                  ddr_line_length, ddr_line_length);
638                 lines -= l;
639         }
640
641         return 0;
642 }
643
644     /*
645      *  Set a single color register. The values supplied are already
646      *  rounded down to the hardware's capabilities (according to the
647      *  entries in the var structure). Return != 0 for invalid regno.
648      */
649
650 static int ps3fb_setcolreg(unsigned int regno, unsigned int red,
651                            unsigned int green, unsigned int blue,
652                            unsigned int transp, struct fb_info *info)
653 {
654         if (regno >= 16)
655                 return 1;
656
657         red >>= 8;
658         green >>= 8;
659         blue >>= 8;
660         transp >>= 8;
661
662         ((u32 *)info->pseudo_palette)[regno] = transp << 24 | red << 16 |
663                                                green << 8 | blue;
664         return 0;
665 }
666
667 static int ps3fb_pan_display(struct fb_var_screeninfo *var,
668                              struct fb_info *info)
669 {
670         struct ps3fb_par *par = info->par;
671
672         par->pan_offset = var->yoffset * info->fix.line_length +
673                           var->xoffset * BPP;
674         return 0;
675 }
676
677     /*
678      *  As we have a virtual frame buffer, we need our own mmap function
679      */
680
681 static int ps3fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
682 {
683         unsigned long size, offset;
684
685         size = vma->vm_end - vma->vm_start;
686         offset = vma->vm_pgoff << PAGE_SHIFT;
687         if (offset + size > info->fix.smem_len)
688                 return -EINVAL;
689
690         offset += info->fix.smem_start;
691         if (remap_pfn_range(vma, vma->vm_start, offset >> PAGE_SHIFT,
692                             size, vma->vm_page_prot))
693                 return -EAGAIN;
694
695         dev_dbg(info->device, "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n",
696                 offset, vma->vm_start);
697         return 0;
698 }
699
700     /*
701      * Blank the display
702      */
703
704 static int ps3fb_blank(int blank, struct fb_info *info)
705 {
706         int retval;
707
708         dev_dbg(info->device, "%s: blank:%d\n", __func__, blank);
709         switch (blank) {
710         case FB_BLANK_POWERDOWN:
711         case FB_BLANK_HSYNC_SUSPEND:
712         case FB_BLANK_VSYNC_SUSPEND:
713         case FB_BLANK_NORMAL:
714                 retval = ps3av_video_mute(1);   /* mute on */
715                 if (!retval)
716                         ps3fb.is_blanked = 1;
717                 break;
718
719         default:                /* unblank */
720                 retval = ps3av_video_mute(0);   /* mute off */
721                 if (!retval)
722                         ps3fb.is_blanked = 0;
723                 break;
724         }
725         return retval;
726 }
727
728 static int ps3fb_get_vblank(struct fb_vblank *vblank)
729 {
730         memset(vblank, 0, sizeof(&vblank));
731         vblank->flags = FB_VBLANK_HAVE_VSYNC;
732         return 0;
733 }
734
735 static int ps3fb_wait_for_vsync(u32 crtc)
736 {
737         int ret;
738         u64 count;
739
740         count = ps3fb.vblank_count;
741         ret = wait_event_interruptible_timeout(ps3fb.wait_vsync,
742                                                count != ps3fb.vblank_count,
743                                                HZ / 10);
744         if (!ret)
745                 return -ETIMEDOUT;
746
747         return 0;
748 }
749
750 static void ps3fb_flip_ctl(int on, void *data)
751 {
752         struct ps3fb_priv *priv = data;
753         if (on)
754                 atomic_dec_if_positive(&priv->ext_flip);
755         else
756                 atomic_inc(&priv->ext_flip);
757 }
758
759
760     /*
761      * ioctl
762      */
763
764 static int ps3fb_ioctl(struct fb_info *info, unsigned int cmd,
765                        unsigned long arg)
766 {
767         void __user *argp = (void __user *)arg;
768         u32 val;
769         int retval = -EFAULT;
770
771         switch (cmd) {
772         case FBIOGET_VBLANK:
773                 {
774                         struct fb_vblank vblank;
775                         dev_dbg(info->device, "FBIOGET_VBLANK:\n");
776                         retval = ps3fb_get_vblank(&vblank);
777                         if (retval)
778                                 break;
779
780                         if (copy_to_user(argp, &vblank, sizeof(vblank)))
781                                 retval = -EFAULT;
782                         break;
783                 }
784
785         case FBIO_WAITFORVSYNC:
786                 {
787                         u32 crt;
788                         dev_dbg(info->device, "FBIO_WAITFORVSYNC:\n");
789                         if (get_user(crt, (u32 __user *) arg))
790                                 break;
791
792                         retval = ps3fb_wait_for_vsync(crt);
793                         break;
794                 }
795
796         case PS3FB_IOCTL_SETMODE:
797                 {
798                         struct ps3fb_par *par = info->par;
799                         const struct fb_videomode *mode;
800                         struct fb_var_screeninfo var;
801
802                         if (copy_from_user(&val, argp, sizeof(val)))
803                                 break;
804
805                         if (!(val & PS3AV_MODE_MASK)) {
806                                 u32 id = ps3av_get_auto_mode();
807                                 if (id > 0)
808                                         val = (val & ~PS3AV_MODE_MASK) | id;
809                         }
810                         dev_dbg(info->device, "PS3FB_IOCTL_SETMODE:%x\n", val);
811                         retval = -EINVAL;
812                         mode = ps3fb_default_mode(val);
813                         if (mode) {
814                                 var = info->var;
815                                 fb_videomode_to_var(&var, mode);
816                                 acquire_console_sem();
817                                 info->flags |= FBINFO_MISC_USEREVENT;
818                                 /* Force, in case only special bits changed */
819                                 var.activate |= FB_ACTIVATE_FORCE;
820                                 par->new_mode_id = val;
821                                 retval = fb_set_var(info, &var);
822                                 info->flags &= ~FBINFO_MISC_USEREVENT;
823                                 release_console_sem();
824                         }
825                         break;
826                 }
827
828         case PS3FB_IOCTL_GETMODE:
829                 val = ps3av_get_mode();
830                 dev_dbg(info->device, "PS3FB_IOCTL_GETMODE:%x\n", val);
831                 if (!copy_to_user(argp, &val, sizeof(val)))
832                         retval = 0;
833                 break;
834
835         case PS3FB_IOCTL_SCREENINFO:
836                 {
837                         struct ps3fb_par *par = info->par;
838                         struct ps3fb_ioctl_res res;
839                         dev_dbg(info->device, "PS3FB_IOCTL_SCREENINFO:\n");
840                         res.xres = info->fix.line_length / BPP;
841                         res.yres = info->var.yres_virtual;
842                         res.xoff = (res.xres - info->var.xres) / 2;
843                         res.yoff = (res.yres - info->var.yres) / 2;
844                         res.num_frames = par->num_frames;
845                         if (!copy_to_user(argp, &res, sizeof(res)))
846                                 retval = 0;
847                         break;
848                 }
849
850         case PS3FB_IOCTL_ON:
851                 dev_dbg(info->device, "PS3FB_IOCTL_ON:\n");
852                 atomic_inc(&ps3fb.ext_flip);
853                 retval = 0;
854                 break;
855
856         case PS3FB_IOCTL_OFF:
857                 dev_dbg(info->device, "PS3FB_IOCTL_OFF:\n");
858                 atomic_dec_if_positive(&ps3fb.ext_flip);
859                 retval = 0;
860                 break;
861
862         case PS3FB_IOCTL_FSEL:
863                 if (copy_from_user(&val, argp, sizeof(val)))
864                         break;
865
866                 dev_dbg(info->device, "PS3FB_IOCTL_FSEL:%d\n", val);
867                 retval = ps3fb_sync(info, val);
868                 break;
869
870         default:
871                 retval = -ENOIOCTLCMD;
872                 break;
873         }
874         return retval;
875 }
876
877 static int ps3fbd(void *arg)
878 {
879         struct fb_info *info = arg;
880
881         set_freezable();
882         while (!kthread_should_stop()) {
883                 try_to_freeze();
884                 set_current_state(TASK_INTERRUPTIBLE);
885                 if (ps3fb.is_kicked) {
886                         ps3fb.is_kicked = 0;
887                         ps3fb_sync(info, 0);    /* single buffer */
888                 }
889                 schedule();
890         }
891         return 0;
892 }
893
894 static irqreturn_t ps3fb_vsync_interrupt(int irq, void *ptr)
895 {
896         struct device *dev = ptr;
897         u64 v1;
898         int status;
899         struct display_head *head = &ps3fb.dinfo->display_head[1];
900
901         status = lv1_gpu_context_intr(ps3fb.context_handle, &v1);
902         if (status) {
903                 dev_err(dev, "%s: lv1_gpu_context_intr failed: %d\n", __func__,
904                         status);
905                 return IRQ_NONE;
906         }
907
908         if (v1 & (1 << GPU_INTR_STATUS_VSYNC_1)) {
909                 /* VSYNC */
910                 ps3fb.vblank_count = head->vblank_count;
911                 if (ps3fb.task && !ps3fb.is_blanked &&
912                     !atomic_read(&ps3fb.ext_flip)) {
913                         ps3fb.is_kicked = 1;
914                         wake_up_process(ps3fb.task);
915                 }
916                 wake_up_interruptible(&ps3fb.wait_vsync);
917         }
918
919         return IRQ_HANDLED;
920 }
921
922
923 static int ps3fb_vsync_settings(struct gpu_driver_info *dinfo,
924                                 struct device *dev)
925 {
926         int error;
927
928         dev_dbg(dev, "version_driver:%x\n", dinfo->version_driver);
929         dev_dbg(dev, "irq outlet:%x\n", dinfo->irq.irq_outlet);
930         dev_dbg(dev,
931                 "version_gpu: %x memory_size: %x ch: %x core_freq: %d "
932                 "mem_freq:%d\n",
933                 dinfo->version_gpu, dinfo->memory_size, dinfo->hardware_channel,
934                 dinfo->nvcore_frequency/1000000, dinfo->memory_frequency/1000000);
935
936         if (dinfo->version_driver != GPU_DRIVER_INFO_VERSION) {
937                 dev_err(dev, "%s: version_driver err:%x\n", __func__,
938                         dinfo->version_driver);
939                 return -EINVAL;
940         }
941
942         error = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet,
943                                    &ps3fb.irq_no);
944         if (error) {
945                 dev_err(dev, "%s: ps3_alloc_irq failed %d\n", __func__, error);
946                 return error;
947         }
948
949         error = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt, IRQF_DISABLED,
950                             DEVICE_NAME, dev);
951         if (error) {
952                 dev_err(dev, "%s: request_irq failed %d\n", __func__, error);
953                 ps3_irq_plug_destroy(ps3fb.irq_no);
954                 return error;
955         }
956
957         dinfo->irq.mask = (1 << GPU_INTR_STATUS_VSYNC_1) |
958                           (1 << GPU_INTR_STATUS_FLIP_1);
959         return 0;
960 }
961
962 static int ps3fb_xdr_settings(u64 xdr_lpar, struct device *dev)
963 {
964         int status;
965
966         status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF,
967                                        xdr_lpar, ps3fb_videomemory.size, 0);
968         if (status) {
969                 dev_err(dev, "%s: lv1_gpu_context_iomap failed: %d\n",
970                         __func__, status);
971                 return -ENXIO;
972         }
973         dev_dbg(dev,
974                 "video:%p xdr_ea:%p ioif:%lx lpar:%lx phys:%lx size:%lx\n",
975                 ps3fb_videomemory.address, ps3fb.xdr_ea, GPU_IOIF, xdr_lpar,
976                 virt_to_abs(ps3fb.xdr_ea), ps3fb_videomemory.size);
977
978         status = lv1_gpu_context_attribute(ps3fb.context_handle,
979                                            L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP,
980                                            xdr_lpar + ps3fb.xdr_size,
981                                            GPU_CMD_BUF_SIZE,
982                                            GPU_IOIF + ps3fb.xdr_size, 0);
983         if (status) {
984                 dev_err(dev,
985                         "%s: lv1_gpu_context_attribute FB_SETUP failed: %d\n",
986                         __func__, status);
987                 return -ENXIO;
988         }
989         return 0;
990 }
991
992 static struct fb_ops ps3fb_ops = {
993         .fb_open        = ps3fb_open,
994         .fb_release     = ps3fb_release,
995         .fb_read        = fb_sys_read,
996         .fb_write       = fb_sys_write,
997         .fb_check_var   = ps3fb_check_var,
998         .fb_set_par     = ps3fb_set_par,
999         .fb_setcolreg   = ps3fb_setcolreg,
1000         .fb_pan_display = ps3fb_pan_display,
1001         .fb_fillrect    = sys_fillrect,
1002         .fb_copyarea    = sys_copyarea,
1003         .fb_imageblit   = sys_imageblit,
1004         .fb_mmap        = ps3fb_mmap,
1005         .fb_blank       = ps3fb_blank,
1006         .fb_ioctl       = ps3fb_ioctl,
1007         .fb_compat_ioctl = ps3fb_ioctl
1008 };
1009
1010 static struct fb_fix_screeninfo ps3fb_fix __initdata = {
1011         .id =           DEVICE_NAME,
1012         .type =         FB_TYPE_PACKED_PIXELS,
1013         .visual =       FB_VISUAL_TRUECOLOR,
1014         .accel =        FB_ACCEL_NONE,
1015 };
1016
1017 static int ps3fb_set_sync(struct device *dev)
1018 {
1019         int status;
1020
1021 #ifdef HEAD_A
1022         status = lv1_gpu_context_attribute(0x0,
1023                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
1024                                            0, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
1025         if (status) {
1026                 dev_err(dev,
1027                         "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
1028                         "%d\n",
1029                         __func__, status);
1030                 return -1;
1031         }
1032 #endif
1033 #ifdef HEAD_B
1034         status = lv1_gpu_context_attribute(0x0,
1035                                            L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
1036                                            1, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
1037
1038         if (status) {
1039                 dev_err(dev,
1040                         "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
1041                         "%d\n",
1042                         __func__, status);
1043                 return -1;
1044         }
1045 #endif
1046         return 0;
1047 }
1048
1049 static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev)
1050 {
1051         struct fb_info *info;
1052         struct ps3fb_par *par;
1053         int retval = -ENOMEM;
1054         u32 xres, yres;
1055         u64 ddr_lpar = 0;
1056         u64 lpar_dma_control = 0;
1057         u64 lpar_driver_info = 0;
1058         u64 lpar_reports = 0;
1059         u64 lpar_reports_size = 0;
1060         u64 xdr_lpar;
1061         int status, res_index;
1062         struct task_struct *task;
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         /* get gpu context handle */
1089         status = lv1_gpu_memory_allocate(DDR_SIZE, 0, 0, 0, 0,
1090                                          &ps3fb.memory_handle, &ddr_lpar);
1091         if (status) {
1092                 dev_err(&dev->core, "%s: lv1_gpu_memory_allocate failed: %d\n",
1093                         __func__, status);
1094                 goto err;
1095         }
1096         dev_dbg(&dev->core, "ddr:lpar:0x%lx\n", ddr_lpar);
1097
1098         status = lv1_gpu_context_allocate(ps3fb.memory_handle, 0,
1099                                           &ps3fb.context_handle,
1100                                           &lpar_dma_control, &lpar_driver_info,
1101                                           &lpar_reports, &lpar_reports_size);
1102         if (status) {
1103                 dev_err(&dev->core,
1104                         "%s: lv1_gpu_context_attribute failed: %d\n", __func__,
1105                         status);
1106                 goto err_gpu_memory_free;
1107         }
1108
1109         /* vsync interrupt */
1110         ps3fb.dinfo = ioremap(lpar_driver_info, 128 * 1024);
1111         if (!ps3fb.dinfo) {
1112                 dev_err(&dev->core, "%s: ioremap failed\n", __func__);
1113                 goto err_gpu_context_free;
1114         }
1115
1116         retval = ps3fb_vsync_settings(ps3fb.dinfo, &dev->core);
1117         if (retval)
1118                 goto err_iounmap_dinfo;
1119
1120         /* XDR frame buffer */
1121         ps3fb.xdr_ea = ps3fb_videomemory.address;
1122         xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb.xdr_ea));
1123
1124         /* Clear memory to prevent kernel info leakage into userspace */
1125         memset(ps3fb.xdr_ea, 0, ps3fb_videomemory.size);
1126
1127         /* The GPU command buffer is at the end of video memory */
1128         ps3fb.xdr_size = ps3fb_videomemory.size - GPU_CMD_BUF_SIZE;
1129
1130         retval = ps3fb_xdr_settings(xdr_lpar, &dev->core);
1131         if (retval)
1132                 goto err_free_irq;
1133
1134         info = framebuffer_alloc(sizeof(struct ps3fb_par), &dev->core);
1135         if (!info)
1136                 goto err_free_irq;
1137
1138         par = info->par;
1139         par->mode_id = ~ps3fb_mode;     /* != ps3fb_mode, to trigger change */
1140         par->new_mode_id = ps3fb_mode;
1141         par->res_index = res_index;
1142         par->num_frames = 1;
1143
1144         info->screen_base = (char __iomem *)ps3fb.xdr_ea;
1145         info->fbops = &ps3fb_ops;
1146
1147         info->fix = ps3fb_fix;
1148         info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea);
1149         info->fix.smem_len = ps3fb.xdr_size;
1150         info->pseudo_palette = par->pseudo_palette;
1151         info->flags = FBINFO_DEFAULT | FBINFO_READS_FAST |
1152                       FBINFO_HWACCEL_XPAN | FBINFO_HWACCEL_YPAN;
1153
1154         retval = fb_alloc_cmap(&info->cmap, 256, 0);
1155         if (retval < 0)
1156                 goto err_framebuffer_release;
1157
1158         if (!fb_find_mode(&info->var, info, mode_option, ps3fb_modedb,
1159                           ARRAY_SIZE(ps3fb_modedb),
1160                           ps3fb_default_mode(par->new_mode_id), 32)) {
1161                 retval = -EINVAL;
1162                 goto err_fb_dealloc;
1163         }
1164
1165         fb_videomode_to_modelist(ps3fb_modedb, ARRAY_SIZE(ps3fb_modedb),
1166                                  &info->modelist);
1167
1168         retval = register_framebuffer(info);
1169         if (retval < 0)
1170                 goto err_fb_dealloc;
1171
1172         dev->core.driver_data = info;
1173
1174         dev_info(info->device, "%s %s, using %lu KiB of video memory\n",
1175                  dev_driver_string(info->dev), info->dev->bus_id,
1176                  ps3fb.xdr_size >> 10);
1177
1178         task = kthread_run(ps3fbd, info, DEVICE_NAME);
1179         if (IS_ERR(task)) {
1180                 retval = PTR_ERR(task);
1181                 goto err_unregister_framebuffer;
1182         }
1183
1184         ps3fb.task = task;
1185         ps3av_register_flip_ctl(ps3fb_flip_ctl, &ps3fb);
1186
1187         return 0;
1188
1189 err_unregister_framebuffer:
1190         unregister_framebuffer(info);
1191 err_fb_dealloc:
1192         fb_dealloc_cmap(&info->cmap);
1193 err_framebuffer_release:
1194         framebuffer_release(info);
1195 err_free_irq:
1196         free_irq(ps3fb.irq_no, dev);
1197         ps3_irq_plug_destroy(ps3fb.irq_no);
1198 err_iounmap_dinfo:
1199         iounmap((u8 __iomem *)ps3fb.dinfo);
1200 err_gpu_context_free:
1201         lv1_gpu_context_free(ps3fb.context_handle);
1202 err_gpu_memory_free:
1203         lv1_gpu_memory_free(ps3fb.memory_handle);
1204 err:
1205         return retval;
1206 }
1207
1208 static int ps3fb_shutdown(struct ps3_system_bus_device *dev)
1209 {
1210         int status;
1211         struct fb_info *info = dev->core.driver_data;
1212
1213         dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
1214
1215         ps3fb_flip_ctl(0, &ps3fb);      /* flip off */
1216         ps3fb.dinfo->irq.mask = 0;
1217
1218         if (info) {
1219                 unregister_framebuffer(info);
1220                 fb_dealloc_cmap(&info->cmap);
1221                 framebuffer_release(info);
1222         }
1223
1224         ps3av_register_flip_ctl(NULL, NULL);
1225         if (ps3fb.task) {
1226                 struct task_struct *task = ps3fb.task;
1227                 ps3fb.task = NULL;
1228                 kthread_stop(task);
1229         }
1230         if (ps3fb.irq_no) {
1231                 free_irq(ps3fb.irq_no, dev);
1232                 ps3_irq_plug_destroy(ps3fb.irq_no);
1233         }
1234         iounmap((u8 __iomem *)ps3fb.dinfo);
1235
1236         status = lv1_gpu_context_free(ps3fb.context_handle);
1237         if (status)
1238                 dev_dbg(&dev->core, "lv1_gpu_context_free failed: %d\n",
1239                         status);
1240
1241         status = lv1_gpu_memory_free(ps3fb.memory_handle);
1242         if (status)
1243                 dev_dbg(&dev->core, "lv1_gpu_memory_free failed: %d\n",
1244                         status);
1245
1246         ps3_close_hv_device(dev);
1247         dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
1248
1249         return 0;
1250 }
1251
1252 static struct ps3_system_bus_driver ps3fb_driver = {
1253         .match_id       = PS3_MATCH_ID_GRAPHICS,
1254         .core.name      = DEVICE_NAME,
1255         .core.owner     = THIS_MODULE,
1256         .probe          = ps3fb_probe,
1257         .remove         = ps3fb_shutdown,
1258         .shutdown       = ps3fb_shutdown,
1259 };
1260
1261 static int __init ps3fb_setup(void)
1262 {
1263         char *options;
1264
1265 #ifdef MODULE
1266         return 0;
1267 #endif
1268
1269         if (fb_get_options(DEVICE_NAME, &options))
1270                 return -ENXIO;
1271
1272         if (!options || !*options)
1273                 return 0;
1274
1275         while (1) {
1276                 char *this_opt = strsep(&options, ",");
1277
1278                 if (!this_opt)
1279                         break;
1280                 if (!*this_opt)
1281                         continue;
1282                 if (!strncmp(this_opt, "mode:", 5))
1283                         ps3fb_mode = simple_strtoul(this_opt + 5, NULL, 0);
1284                 else
1285                         mode_option = this_opt;
1286         }
1287         return 0;
1288 }
1289
1290 static int __init ps3fb_init(void)
1291 {
1292         if (!ps3fb_videomemory.address ||  ps3fb_setup())
1293                 return -ENXIO;
1294
1295         return ps3_system_bus_driver_register(&ps3fb_driver);
1296 }
1297
1298 static void __exit ps3fb_exit(void)
1299 {
1300         pr_debug(" -> %s:%d\n", __func__, __LINE__);
1301         ps3_system_bus_driver_unregister(&ps3fb_driver);
1302         pr_debug(" <- %s:%d\n", __func__, __LINE__);
1303 }
1304
1305 module_init(ps3fb_init);
1306 module_exit(ps3fb_exit);
1307
1308 MODULE_LICENSE("GPL");
1309 MODULE_DESCRIPTION("PS3 GPU Frame Buffer Driver");
1310 MODULE_AUTHOR("Sony Computer Entertainment Inc.");
1311 MODULE_ALIAS(PS3_MODULE_ALIAS_GRAPHICS);