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310d8c11
GU		 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/tty.h>
26#include <linux/slab.h>
27#include <linux/vmalloc.h>
28#include <linux/delay.h>
29#include <linux/interrupt.h>
30#include <linux/platform_device.h>
31#include <linux/console.h>
32#include <linux/ioctl.h>
33#include <linux/notifier.h>
34#include <linux/reboot.h>
1c0c8461
GU		 35#include <linux/kthread.h>
36#include <linux/freezer.h>
310d8c11
GU		 37
38#include <asm/uaccess.h>
39#include <linux/fb.h>
40#include <linux/init.h>
41#include <asm/time.h>
42
43#include <asm/abs_addr.h>
44#include <asm/lv1call.h>
45#include <asm/ps3av.h>
46#include <asm/ps3fb.h>
47#include <asm/ps3.h>
48
49#ifdef PS3FB_DEBUG
50#define DPRINTK(fmt, args...) printk("%s: " fmt, __FUNCTION__ , ##args)
51#else
52#define DPRINTK(fmt, args...)
53#endif
54
55#define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC 0x101
56#define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP 0x102
57#define L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP 0x600
58#define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT 0x601
59#define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT_SYNC 0x602
60
61#define L1GPU_FB_BLIT_WAIT_FOR_COMPLETION (1ULL << 32)
62
63#define L1GPU_DISPLAY_SYNC_HSYNC 1
64#define L1GPU_DISPLAY_SYNC_VSYNC 2
65
66#define DDR_SIZE (0) /* used no ddr */
67#define GPU_OFFSET (64 * 1024)
68#define GPU_IOIF (0x0d000000UL)
69
70#define PS3FB_FULL_MODE_BIT 0x80
71
72#define GPU_INTR_STATUS_VSYNC_0 0 /* vsync on head A */
73#define GPU_INTR_STATUS_VSYNC_1 1 /* vsync on head B */
74#define GPU_INTR_STATUS_FLIP_0 3 /* flip head A */
75#define GPU_INTR_STATUS_FLIP_1 4 /* flip head B */
76#define GPU_INTR_STATUS_QUEUE_0 5 /* queue head A */
77#define GPU_INTR_STATUS_QUEUE_1 6 /* queue head B */
78
79#define GPU_DRIVER_INFO_VERSION 0x211
80
81/* gpu internals */
82struct display_head {
83 u64 be_time_stamp;
84 u32 status;
85 u32 offset;
86 u32 res1;
87 u32 res2;
88 u32 field;
89 u32 reserved1;
90
91 u64 res3;
92 u32 raster;
93
94 u64 vblank_count;
95 u32 field_vsync;
96 u32 reserved2;
97};
98
99struct gpu_irq {
100 u32 irq_outlet;
101 u32 status;
102 u32 mask;
103 u32 video_cause;
104 u32 graph_cause;
105 u32 user_cause;
106
107 u32 res1;
108 u64 res2;
109
110 u32 reserved[4];
111};
112
113struct gpu_driver_info {
114 u32 version_driver;
115 u32 version_gpu;
116 u32 memory_size;
117 u32 hardware_channel;
118
119 u32 nvcore_frequency;
120 u32 memory_frequency;
121
122 u32 reserved[1063];
123 struct display_head display_head[8];
124 struct gpu_irq irq;
125};
126
127struct ps3fb_priv {
128 unsigned int irq_no;
129 void *dev;
130
131 u64 context_handle, memory_handle;
132 void *xdr_ea;
133 struct gpu_driver_info *dinfo;
310d8c11
GU		 134 u32 res_index;
135
136 u64 vblank_count; /* frame count */
137 wait_queue_head_t wait_vsync;
138
139 u32 num_frames; /* num of frame buffers */
140 atomic_t ext_flip; /* on/off flip with vsync */
141 atomic_t f_count; /* fb_open count */
142 int is_blanked;
1c0c8461
GU		 143 int is_kicked;
144 struct task_struct *task;
310d8c11
GU		 145};
146static struct ps3fb_priv ps3fb;
147
148struct 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
156static 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
176static 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#define VP_OFF(i) (WIDTH(i) * Y_OFF(i) * BPP + X_OFF(i) * BPP)
298#define FB_OFF(i) (GPU_OFFSET - VP_OFF(i) % GPU_OFFSET)
299
300static int ps3fb_mode = 0;
301module_param(ps3fb_mode, bool, 0);
302
303static char *mode_option __initdata = NULL;
304
305
306static int ps3fb_get_res_table(u32 xres, u32 yres)
307{
308 int full_mode;
309 unsigned int i;
310 u32 x, y, f;
311
312 full_mode = (ps3fb_mode & PS3FB_FULL_MODE_BIT) ? PS3FB_RES_FULL : 0;
313 for (i = 0;; i++) {
314 x = ps3fb_res[i].xres;
315 y = ps3fb_res[i].yres;
316 f = ps3fb_res[i].type;
317
318 if (!x) {
319 DPRINTK("ERROR: ps3fb_get_res_table()\n");
320 return -1;
321 }
322
323 if (full_mode == PS3FB_RES_FULL && f != PS3FB_RES_FULL)
324 continue;
325
326 if (x == xres && (yres == 0 || y == yres))
327 break;
328
329 x = x - 2 * ps3fb_res[i].xoff;
330 y = y - 2 * ps3fb_res[i].yoff;
331 if (x == xres && (yres == 0 || y == yres))
332 break;
333 }
334 return i;
335}
336
337static unsigned int ps3fb_find_mode(const struct fb_var_screeninfo *var,
338 u32 *line_length)
339{
340 unsigned int i, mode;
341
342 for (i = 0; i < ARRAY_SIZE(ps3fb_modedb); i++)
343 if (var->xres == ps3fb_modedb[i].xres &&
344 var->yres == ps3fb_modedb[i].yres &&
345 var->pixclock == ps3fb_modedb[i].pixclock &&
346 var->hsync_len == ps3fb_modedb[i].hsync_len &&
347 var->vsync_len == ps3fb_modedb[i].vsync_len &&
348 var->left_margin == ps3fb_modedb[i].left_margin &&
349 var->right_margin == ps3fb_modedb[i].right_margin &&
350 var->upper_margin == ps3fb_modedb[i].upper_margin &&
351 var->lower_margin == ps3fb_modedb[i].lower_margin &&
352 var->sync == ps3fb_modedb[i].sync &&
353 (var->vmode & FB_VMODE_MASK) == ps3fb_modedb[i].vmode) {
354 /* Cropped broadcast modes use the full line_length */
355 *line_length =
356 ps3fb_modedb[i < 10 ? i + 13 : i].xres * 4;
357 /* Full broadcast modes have the full mode bit set */
358 mode = i > 12 ? (i - 12) | PS3FB_FULL_MODE_BIT : i + 1;
359
360 DPRINTK("ps3fb_find_mode: mode %u\n", mode);
361 return mode;
362 }
363
364 DPRINTK("ps3fb_find_mode: mode not found\n");
365 return 0;
366
367}
368
369static const struct fb_videomode *ps3fb_default_mode(void)
370{
371 u32 mode = ps3fb_mode & PS3AV_MODE_MASK;
372 u32 flags;
373
374 if (mode < 1 || mode > 13)
375 return NULL;
376
377 flags = ps3fb_mode & ~PS3AV_MODE_MASK;
378
379 if (mode <= 10 && flags & PS3FB_FULL_MODE_BIT) {
380 /* Full broadcast mode */
381 return &ps3fb_modedb[mode + 12];
382 }
383
384 return &ps3fb_modedb[mode - 1];
385}
386
387static int ps3fb_sync(u32 frame)
388{
389 int i, status;
390 u32 xres, yres;
391 u64 fb_ioif, offset;
392
393 i = ps3fb.res_index;
394 xres = ps3fb_res[i].xres;
395 yres = ps3fb_res[i].yres;
396
397 if (frame > ps3fb.num_frames - 1) {
398 printk(KERN_WARNING "%s: invalid frame number (%u)\n",
399 __FUNCTION__, frame);
400 return -EINVAL;
401 }
402 offset = xres * yres * BPP * frame;
403
404 fb_ioif = GPU_IOIF + FB_OFF(i) + offset;
405 status = lv1_gpu_context_attribute(ps3fb.context_handle,
406 L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT,
407 offset, fb_ioif,
408 L1GPU_FB_BLIT_WAIT_FOR_COMPLETION |
409 (xres << 16) | yres,
410 xres * BPP); /* line_length */
411 if (status)
412 printk(KERN_ERR "%s: lv1_gpu_context_attribute FB_BLIT failed: %d\n",
413 __FUNCTION__, status);
414#ifdef HEAD_A
415 status = lv1_gpu_context_attribute(ps3fb.context_handle,
416 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
417 0, offset, 0, 0);
418 if (status)
419 printk(KERN_ERR "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
420 __FUNCTION__, status);
421#endif
422#ifdef HEAD_B
423 status = lv1_gpu_context_attribute(ps3fb.context_handle,
424 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
425 1, offset, 0, 0);
426 if (status)
427 printk(KERN_ERR "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
428 __FUNCTION__, status);
429#endif
430 return 0;
431}
432
433
434static int ps3fb_open(struct fb_info *info, int user)
435{
436 atomic_inc(&ps3fb.f_count);
437 return 0;
438}
439
440static int ps3fb_release(struct fb_info *info, int user)
441{
442 if (atomic_dec_and_test(&ps3fb.f_count)) {
443 if (atomic_read(&ps3fb.ext_flip)) {
444 atomic_set(&ps3fb.ext_flip, 0);
445 ps3fb_sync(0); /* single buffer */
446 }
447 }
448 return 0;
449}
450
451 /*
452 * Setting the video mode has been split into two parts.
453 * First part, xxxfb_check_var, must not write anything
454 * to hardware, it should only verify and adjust var.
455 * This means it doesn't alter par but it does use hardware
456 * data from it to check this var.
457 */
458
459static int ps3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
460{
461 u32 line_length;
462 int mode;
463 int i;
464
465 DPRINTK("var->xres:%u info->var.xres:%u\n", var->xres, info->var.xres);
466 DPRINTK("var->yres:%u info->var.yres:%u\n", var->yres, info->var.yres);
467
468 /* FIXME For now we do exact matches only */
469 mode = ps3fb_find_mode(var, &line_length);
470 if (!mode)
471 return -EINVAL;
472
473 /*
474 * FB_VMODE_CONUPDATE and FB_VMODE_SMOOTH_XPAN are equal!
475 * as FB_VMODE_SMOOTH_XPAN is only used internally
476 */
477
478 if (var->vmode & FB_VMODE_CONUPDATE) {
479 var->vmode |= FB_VMODE_YWRAP;
480 var->xoffset = info->var.xoffset;
481 var->yoffset = info->var.yoffset;
482 }
483
484 /* Virtual screen and panning are not supported */
485 if (var->xres_virtual > var->xres || var->yres_virtual > var->yres ||
486 var->xoffset || var->yoffset) {
487 DPRINTK("Virtual screen and panning are not supported\n");
488 return -EINVAL;
489 }
490
491 var->xres_virtual = var->xres;
492 var->yres_virtual = var->yres;
493
494 /* We support ARGB8888 only */
495 if (var->bits_per_pixel > 32 || var->grayscale ||
496 var->red.offset > 16 || var->green.offset > 8 ||
497 var->blue.offset > 0 || var->transp.offset > 24 ||
498 var->red.length > 8 || var->green.length > 8 ||
499 var->blue.length > 8 || var->transp.length > 8 ||
500 var->red.msb_right || var->green.msb_right ||
501 var->blue.msb_right || var->transp.msb_right || var->nonstd) {
502 DPRINTK("We support ARGB8888 only\n");
503 return -EINVAL;
504 }
505
506 var->bits_per_pixel = 32;
507 var->red.offset = 16;
508 var->green.offset = 8;
509 var->blue.offset = 0;
510 var->transp.offset = 24;
511 var->red.length = 8;
512 var->green.length = 8;
513 var->blue.length = 8;
514 var->transp.length = 8;
515 var->red.msb_right = 0;
516 var->green.msb_right = 0;
517 var->blue.msb_right = 0;
518 var->transp.msb_right = 0;
519
520 /* Rotation is not supported */
521 if (var->rotate) {
522 DPRINTK("Rotation is not supported\n");
523 return -EINVAL;
524 }
525
526 /* Memory limit */
527 i = ps3fb_get_res_table(var->xres, var->yres);
528 if (ps3fb_res[i].xres*ps3fb_res[i].yres*BPP > ps3fb_videomemory.size) {
529 DPRINTK("Not enough memory\n");
530 return -ENOMEM;
531 }
532
533 var->height = -1;
534 var->width = -1;
535
536 return 0;
537}
538
539 /*
540 * This routine actually sets the video mode.
541 */
542
543static int ps3fb_set_par(struct fb_info *info)
544{
545 unsigned int mode;
546 int i;
547 unsigned long offset;
548 static int first = 1;
549
550 DPRINTK("xres:%d xv:%d yres:%d yv:%d clock:%d\n",
551 info->var.xres, info->var.xres_virtual,
552 info->var.yres, info->var.yres_virtual, info->var.pixclock);
553 i = ps3fb_get_res_table(info->var.xres, info->var.yres);
554 ps3fb.res_index = i;
555
556 mode = ps3fb_find_mode(&info->var, &info->fix.line_length);
557 if (!mode)
558 return -EINVAL;
559
560 offset = FB_OFF(i) + VP_OFF(i);
561 info->fix.smem_len = ps3fb_videomemory.size - offset;
562 info->screen_base = (char __iomem *)ps3fb.xdr_ea + offset;
563 memset(ps3fb.xdr_ea, 0, ps3fb_videomemory.size);
564
565 ps3fb.num_frames = ps3fb_videomemory.size/
566 (ps3fb_res[i].xres*ps3fb_res[i].yres*BPP);
567
568 /* Keep the special bits we cannot set using fb_var_screeninfo */
569 ps3fb_mode = (ps3fb_mode & ~PS3AV_MODE_MASK) | mode;
570
571 if (ps3av_set_video_mode(ps3fb_mode, first))
572 return -EINVAL;
573
574 first = 0;
575 return 0;
576}
577
578 /*
579 * Set a single color register. The values supplied are already
580 * rounded down to the hardware's capabilities (according to the
581 * entries in the var structure). Return != 0 for invalid regno.
582 */
583
584static int ps3fb_setcolreg(unsigned int regno, unsigned int red,
585 unsigned int green, unsigned int blue,
586 unsigned int transp, struct fb_info *info)
587{
588 if (regno >= 16)
589 return 1;
590
591 red >>= 8;
592 green >>= 8;
593 blue >>= 8;
594 transp >>= 8;
595
596 ((u32 *)info->pseudo_palette)[regno] = transp << 24 | red << 16 |
597 green << 8 | blue;
598 return 0;
599}
600
601 /*
602 * As we have a virtual frame buffer, we need our own mmap function
603 */
604
605static int ps3fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
606{
607 unsigned long size, offset;
608 int i;
609
610 i = ps3fb_get_res_table(info->var.xres, info->var.yres);
611 if (i == -1)
612 return -EINVAL;
613
614 size = vma->vm_end - vma->vm_start;
615 offset = vma->vm_pgoff << PAGE_SHIFT;
616 if (offset + size > info->fix.smem_len)
617 return -EINVAL;
618
619 offset += info->fix.smem_start + FB_OFF(i) + VP_OFF(i);
620 if (remap_pfn_range(vma, vma->vm_start, offset >> PAGE_SHIFT,
621 size, vma->vm_page_prot))
622 return -EAGAIN;
623
624 printk(KERN_DEBUG "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n", offset,
625 vma->vm_start);
626 return 0;
627}
628
629 /*
630 * Blank the display
631 */
632
633static int ps3fb_blank(int blank, struct fb_info *info)
634{
635 int retval;
636
637 DPRINTK("%s: blank:%d\n", __FUNCTION__, blank);
638 switch (blank) {
639 case FB_BLANK_POWERDOWN:
640 case FB_BLANK_HSYNC_SUSPEND:
641 case FB_BLANK_VSYNC_SUSPEND:
642 case FB_BLANK_NORMAL:
643 retval = ps3av_video_mute(1); /* mute on */
644 if (!retval)
645 ps3fb.is_blanked = 1;
646 break;
647
648 default: /* unblank */
649 retval = ps3av_video_mute(0); /* mute off */
650 if (!retval)
651 ps3fb.is_blanked = 0;
652 break;
653 }
654 return retval;
655}
656
657static int ps3fb_get_vblank(struct fb_vblank *vblank)
658{
659 memset(vblank, 0, sizeof(&vblank));
660 vblank->flags = FB_VBLANK_HAVE_VSYNC;
661 return 0;
662}
663
664int ps3fb_wait_for_vsync(u32 crtc)
665{
666 int ret;
667 u64 count;
668
669 count = ps3fb.vblank_count;
670 ret = wait_event_interruptible_timeout(ps3fb.wait_vsync,
671 count != ps3fb.vblank_count,
672 HZ / 10);
673 if (!ret)
674 return -ETIMEDOUT;
675
676 return 0;
677}
678
679EXPORT_SYMBOL_GPL(ps3fb_wait_for_vsync);
680
681void ps3fb_flip_ctl(int on)
682{
eca28743
GU		 683 if (on)
684 atomic_dec_if_positive(&ps3fb.ext_flip);
685 else
310d8c11 686 atomic_inc(&ps3fb.ext_flip);
310d8c11
GU		 687}
688
689EXPORT_SYMBOL_GPL(ps3fb_flip_ctl);
690
691 /*
692 * ioctl
693 */
694
695static int ps3fb_ioctl(struct fb_info *info, unsigned int cmd,
696 unsigned long arg)
697{
698 void __user *argp = (void __user *)arg;
699 u32 val, old_mode;
700 int retval = -EFAULT;
701
702 switch (cmd) {
703 case FBIOGET_VBLANK:
704 {
705 struct fb_vblank vblank;
706 DPRINTK("FBIOGET_VBLANK:\n");
707 retval = ps3fb_get_vblank(&vblank);
708 if (retval)
709 break;
710
711 if (copy_to_user(argp, &vblank, sizeof(vblank)))
712 retval = -EFAULT;
713 break;
714 }
715
716 case FBIO_WAITFORVSYNC:
717 {
718 u32 crt;
719 DPRINTK("FBIO_WAITFORVSYNC:\n");
720 if (get_user(crt, (u32 __user *) arg))
721 break;
722
723 retval = ps3fb_wait_for_vsync(crt);
724 break;
725 }
726
727 case PS3FB_IOCTL_SETMODE:
728 {
729 const struct fb_videomode *mode;
730 struct fb_var_screeninfo var;
731
732 if (copy_from_user(&val, argp, sizeof(val)))
733 break;
734
735 DPRINTK("PS3FB_IOCTL_SETMODE:%x\n", val);
736 retval = -EINVAL;
737 old_mode = ps3fb_mode;
738 ps3fb_mode = val;
739 mode = ps3fb_default_mode();
740 if (mode) {
741 var = info->var;
742 fb_videomode_to_var(&var, mode);
743 acquire_console_sem();
744 info->flags |= FBINFO_MISC_USEREVENT;
745 /* Force, in case only special bits changed */
746 var.activate |= FB_ACTIVATE_FORCE;
747 retval = fb_set_var(info, &var);
748 info->flags &= ~FBINFO_MISC_USEREVENT;
749 release_console_sem();
750 }
751 if (retval)
752 ps3fb_mode = old_mode;
753 break;
754 }
755
756 case PS3FB_IOCTL_GETMODE:
757 val = ps3av_get_mode();
758 DPRINTK("PS3FB_IOCTL_GETMODE:%x\n", val);
759 if (!copy_to_user(argp, &val, sizeof(val)))
760 retval = 0;
761 break;
762
763 case PS3FB_IOCTL_SCREENINFO:
764 {
765 struct ps3fb_ioctl_res res;
766 int i = ps3fb.res_index;
767 DPRINTK("PS3FB_IOCTL_SCREENINFO:\n");
768 res.xres = ps3fb_res[i].xres;
769 res.yres = ps3fb_res[i].yres;
770 res.xoff = ps3fb_res[i].xoff;
771 res.yoff = ps3fb_res[i].yoff;
772 res.num_frames = ps3fb.num_frames;
773 if (!copy_to_user(argp, &res, sizeof(res)))
774 retval = 0;
775 break;
776 }
777
778 case PS3FB_IOCTL_ON:
779 DPRINTK("PS3FB_IOCTL_ON:\n");
780 atomic_inc(&ps3fb.ext_flip);
781 retval = 0;
782 break;
783
784 case PS3FB_IOCTL_OFF:
785 DPRINTK("PS3FB_IOCTL_OFF:\n");
eca28743 786 atomic_dec_if_positive(&ps3fb.ext_flip);
310d8c11
GU		 787 retval = 0;
788 break;
789
790 case PS3FB_IOCTL_FSEL:
791 if (copy_from_user(&val, argp, sizeof(val)))
792 break;
793
794 DPRINTK("PS3FB_IOCTL_FSEL:%d\n", val);
795 retval = ps3fb_sync(val);
796 break;
797
798 default:
799 retval = -ENOIOCTLCMD;
800 break;
801 }
802 return retval;
803}
804
805static int ps3fbd(void *arg)
806{
1c0c8461
GU		 807 while (!kthread_should_stop()) {
808 try_to_freeze();
809 set_current_state(TASK_INTERRUPTIBLE);
810 if (ps3fb.is_kicked) {
811 ps3fb.is_kicked = 0;
310d8c11 812 ps3fb_sync(0); /* single buffer */
1c0c8461
GU		 813 }
814 schedule();
310d8c11
GU		 815 }
816 return 0;
817}
818
819static irqreturn_t ps3fb_vsync_interrupt(int irq, void *ptr)
820{
821 u64 v1;
822 int status;
823 struct display_head *head = &ps3fb.dinfo->display_head[1];
824
825 status = lv1_gpu_context_intr(ps3fb.context_handle, &v1);
826 if (status) {
827 printk(KERN_ERR "%s: lv1_gpu_context_intr failed: %d\n",
828 __FUNCTION__, status);
829 return IRQ_NONE;
830 }
831
832 if (v1 & (1 << GPU_INTR_STATUS_VSYNC_1)) {
833 /* VSYNC */
834 ps3fb.vblank_count = head->vblank_count;
1c0c8461
GU		 835 if (ps3fb.task && !ps3fb.is_blanked &&
836 !atomic_read(&ps3fb.ext_flip)) {
837 ps3fb.is_kicked = 1;
838 wake_up_process(ps3fb.task);
839 }
310d8c11
GU		 840 wake_up_interruptible(&ps3fb.wait_vsync);
841 }
842
843 return IRQ_HANDLED;
844}
845
846#ifndef MODULE
847static int __init ps3fb_setup(char *options)
848{
849 char *this_opt;
850 int mode = 0;
851
852 if (!options || !*options)
853 return 0; /* no options */
854
855 while ((this_opt = strsep(&options, ",")) != NULL) {
856 if (!*this_opt)
857 continue;
858 if (!strncmp(this_opt, "mode:", 5))
859 mode = simple_strtoul(this_opt + 5, NULL, 0);
860 else
861 mode_option = this_opt;
862 }
863 return mode;
864}
865#endif /* MODULE */
866
867 /*
868 * Initialisation
869 */
870
871static void ps3fb_platform_release(struct device *device)
872{
873 /* This is called when the reference count goes to zero. */
874}
875
876static int ps3fb_vsync_settings(struct gpu_driver_info *dinfo, void *dev)
877{
878 int error;
879
880 DPRINTK("version_driver:%x\n", dinfo->version_driver);
881 DPRINTK("irq outlet:%x\n", dinfo->irq.irq_outlet);
882 DPRINTK("version_gpu:%x memory_size:%x ch:%x core_freq:%d mem_freq:%d\n",
883 dinfo->version_gpu, dinfo->memory_size, dinfo->hardware_channel,
884 dinfo->nvcore_frequency/1000000, dinfo->memory_frequency/1000000);
885
886 if (dinfo->version_driver != GPU_DRIVER_INFO_VERSION) {
887 printk(KERN_ERR "%s: version_driver err:%x\n", __FUNCTION__,
888 dinfo->version_driver);
889 return -EINVAL;
890 }
891
892 ps3fb.dev = dev;
893 error = ps3_alloc_irq(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet,
894 &ps3fb.irq_no);
895 if (error) {
896 printk(KERN_ERR "%s: ps3_alloc_irq failed %d\n", __FUNCTION__,
897 error);
898 return error;
899 }
900
901 error = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt, IRQF_DISABLED,
902 "ps3fb vsync", ps3fb.dev);
903 if (error) {
904 printk(KERN_ERR "%s: request_irq failed %d\n", __FUNCTION__,
905 error);
906 ps3_free_irq(ps3fb.irq_no);
907 return error;
908 }
909
910 dinfo->irq.mask = (1 << GPU_INTR_STATUS_VSYNC_1) |
911 (1 << GPU_INTR_STATUS_FLIP_1);
912 return 0;
913}
914
915static int ps3fb_xdr_settings(u64 xdr_lpar)
916{
917 int status;
918
919 status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF,
920 xdr_lpar, ps3fb_videomemory.size, 0);
921 if (status) {
922 printk(KERN_ERR "%s: lv1_gpu_context_iomap failed: %d\n",
923 __FUNCTION__, status);
924 return -ENXIO;
925 }
926 DPRINTK("video:%p xdr_ea:%p ioif:%lx lpar:%lx phys:%lx size:%lx\n",
927 ps3fb_videomemory.address, ps3fb.xdr_ea, GPU_IOIF, xdr_lpar,
928 virt_to_abs(ps3fb.xdr_ea), ps3fb_videomemory.size);
929
930 status = lv1_gpu_context_attribute(ps3fb.context_handle,
931 L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP,
932 xdr_lpar, ps3fb_videomemory.size,
933 GPU_IOIF, 0);
934 if (status) {
935 printk(KERN_ERR "%s: lv1_gpu_context_attribute FB_SETUP failed: %d\n",
936 __FUNCTION__, status);
937 return -ENXIO;
938 }
939 return 0;
940}
941
942static struct fb_ops ps3fb_ops = {
943 .fb_open = ps3fb_open,
944 .fb_release = ps3fb_release,
945 .fb_check_var = ps3fb_check_var,
946 .fb_set_par = ps3fb_set_par,
947 .fb_setcolreg = ps3fb_setcolreg,
948 .fb_fillrect = cfb_fillrect,
949 .fb_copyarea = cfb_copyarea,
950 .fb_imageblit = cfb_imageblit,
951 .fb_mmap = ps3fb_mmap,
952 .fb_blank = ps3fb_blank,
953 .fb_ioctl = ps3fb_ioctl,
954 .fb_compat_ioctl = ps3fb_ioctl
955};
956
957static struct fb_fix_screeninfo ps3fb_fix __initdata = {
958 .id = "PS3 FB",
959 .type = FB_TYPE_PACKED_PIXELS,
960 .visual = FB_VISUAL_TRUECOLOR,
961 .accel = FB_ACCEL_NONE,
962};
963
964static int __init ps3fb_probe(struct platform_device *dev)
965{
966 struct fb_info *info;
967 int retval = -ENOMEM;
968 u64 ddr_lpar = 0;
969 u64 lpar_dma_control = 0;
970 u64 lpar_driver_info = 0;
971 u64 lpar_reports = 0;
972 u64 lpar_reports_size = 0;
973 u64 xdr_lpar;
974 int status;
975 unsigned long offset;
1c0c8461 976 struct task_struct *task;
310d8c11
GU		 977
978 /* get gpu context handle */
979 status = lv1_gpu_memory_allocate(DDR_SIZE, 0, 0, 0, 0,
980 &ps3fb.memory_handle, &ddr_lpar);
981 if (status) {
982 printk(KERN_ERR "%s: lv1_gpu_memory_allocate failed: %d\n",
983 __FUNCTION__, status);
984 goto err;
985 }
986 DPRINTK("ddr:lpar:0x%lx\n", ddr_lpar);
987
988 status = lv1_gpu_context_allocate(ps3fb.memory_handle, 0,
989 &ps3fb.context_handle,
990 &lpar_dma_control, &lpar_driver_info,
991 &lpar_reports, &lpar_reports_size);
992 if (status) {
993 printk(KERN_ERR "%s: lv1_gpu_context_attribute failed: %d\n",
994 __FUNCTION__, status);
995 goto err_gpu_memory_free;
996 }
997
998 /* vsync interrupt */
999 ps3fb.dinfo = ioremap(lpar_driver_info, 128 * 1024);
1000 if (!ps3fb.dinfo) {
1001 printk(KERN_ERR "%s: ioremap failed\n", __FUNCTION__);
1002 goto err_gpu_context_free;
1003 }
1004
1005 retval = ps3fb_vsync_settings(ps3fb.dinfo, dev);
1006 if (retval)
1007 goto err_iounmap_dinfo;
1008
1009 /* xdr frame buffer */
1010 ps3fb.xdr_ea = ps3fb_videomemory.address;
1011 xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb.xdr_ea));
1012 retval = ps3fb_xdr_settings(xdr_lpar);
1013 if (retval)
1014 goto err_free_irq;
1015
1016 /*
1017 * ps3fb must clear memory to prevent kernel info
1018 * leakage into userspace
1019 */
1020 memset(ps3fb.xdr_ea, 0, ps3fb_videomemory.size);
1021 info = framebuffer_alloc(sizeof(u32) * 16, &dev->dev);
1022 if (!info)
1023 goto err_free_irq;
1024
1025 offset = FB_OFF(ps3fb.res_index) + VP_OFF(ps3fb.res_index);
1026 info->screen_base = (char __iomem *)ps3fb.xdr_ea + offset;
1027 info->fbops = &ps3fb_ops;
1028
1029 info->fix = ps3fb_fix;
1030 info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea);
1031 info->fix.smem_len = ps3fb_videomemory.size - offset;
1032 info->pseudo_palette = info->par;
1033 info->par = NULL;
1034 info->flags = FBINFO_FLAG_DEFAULT;
1035
1036 retval = fb_alloc_cmap(&info->cmap, 256, 0);
1037 if (retval < 0)
1038 goto err_framebuffer_release;
1039
1040 if (!fb_find_mode(&info->var, info, mode_option, ps3fb_modedb,
1041 ARRAY_SIZE(ps3fb_modedb), ps3fb_default_mode(), 32)) {
1042 retval = -EINVAL;
1043 goto err_fb_dealloc;
1044 }
1045
1046 fb_videomode_to_modelist(ps3fb_modedb, ARRAY_SIZE(ps3fb_modedb),
1047 &info->modelist);
1048
1049 retval = register_framebuffer(info);
1050 if (retval < 0)
1051 goto err_fb_dealloc;
1052
1053 platform_set_drvdata(dev, info);
1054
1055 printk(KERN_INFO
1056 "fb%d: PS3 frame buffer device, using %ld KiB of video memory\n",
1057 info->node, ps3fb_videomemory.size >> 10);
1058
1c0c8461
GU		 1059 task = kthread_run(ps3fbd, info, "ps3fbd");
1060 if (IS_ERR(task)) {
1061 retval = PTR_ERR(task);
1062 goto err_unregister_framebuffer;
1063 }
1064
1065 ps3fb.task = task;
1066
310d8c11
GU		 1067 return 0;
1068
1c0c8461
GU		 1069err_unregister_framebuffer:
1070 unregister_framebuffer(info);
310d8c11
GU		 1071err_fb_dealloc:
1072 fb_dealloc_cmap(&info->cmap);
1073err_framebuffer_release:
1074 framebuffer_release(info);
1075err_free_irq:
1076 free_irq(ps3fb.irq_no, ps3fb.dev);
1077 ps3_free_irq(ps3fb.irq_no);
1078err_iounmap_dinfo:
1079 iounmap((u8 __iomem *)ps3fb.dinfo);
1080err_gpu_context_free:
1081 lv1_gpu_context_free(ps3fb.context_handle);
1082err_gpu_memory_free:
1083 lv1_gpu_memory_free(ps3fb.memory_handle);
1084err:
1085 return retval;
1086}
1087
1088static void ps3fb_shutdown(struct platform_device *dev)
1089{
1090 ps3fb_flip_ctl(0); /* flip off */
1091 ps3fb.dinfo->irq.mask = 0;
1092 free_irq(ps3fb.irq_no, ps3fb.dev);
1093 ps3_free_irq(ps3fb.irq_no);
1094 iounmap((u8 __iomem *)ps3fb.dinfo);
1095}
1096
1097void ps3fb_cleanup(void)
1098{
1099 int status;
1100
1c0c8461
GU		 1101 if (ps3fb.task) {
1102 struct task_struct *task = ps3fb.task;
1103 ps3fb.task = NULL;
1104 kthread_stop(task);
1105 }
310d8c11
GU		 1106 if (ps3fb.irq_no) {
1107 free_irq(ps3fb.irq_no, ps3fb.dev);
1108 ps3_free_irq(ps3fb.irq_no);
1109 }
1110 iounmap((u8 __iomem *)ps3fb.dinfo);
1111
1112 status = lv1_gpu_context_free(ps3fb.context_handle);
1113 if (status)
1114 DPRINTK("lv1_gpu_context_free failed: %d\n", status);
1115
1116 status = lv1_gpu_memory_free(ps3fb.memory_handle);
1117 if (status)
1118 DPRINTK("lv1_gpu_memory_free failed: %d\n", status);
1119
1120 ps3av_dev_close();
1121}
1122
1123EXPORT_SYMBOL_GPL(ps3fb_cleanup);
1124
1125static int ps3fb_remove(struct platform_device *dev)
1126{
1127 struct fb_info *info = platform_get_drvdata(dev);
1128
1129 if (info) {
1130 unregister_framebuffer(info);
1131 fb_dealloc_cmap(&info->cmap);
1132 framebuffer_release(info);
1133 }
1134 ps3fb_cleanup();
1135 return 0;
1136}
1137
1138static struct platform_driver ps3fb_driver = {
1139 .probe = ps3fb_probe,
1140 .remove = ps3fb_remove,
1141 .shutdown = ps3fb_shutdown,
1142 .driver = { .name = "ps3fb" }
1143};
1144
1145static struct platform_device ps3fb_device = {
1146 .name = "ps3fb",
1147 .id = 0,
1148 .dev = { .release = ps3fb_platform_release }
1149};
1150
1151int ps3fb_set_sync(void)
1152{
1153 int status;
1154
1155#ifdef HEAD_A
1156 status = lv1_gpu_context_attribute(0x0,
1157 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
1158 0, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
1159 if (status) {
1160 printk(KERN_ERR "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: %d\n",
1161 __FUNCTION__, status);
1162 return -1;
1163 }
1164#endif
1165#ifdef HEAD_B
1166 status = lv1_gpu_context_attribute(0x0,
1167 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
1168 1, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
1169
1170 if (status) {
1171 printk(KERN_ERR "%s: lv1_gpu_context_attribute DISPLAY_MODE failed: %d\n",
1172 __FUNCTION__, status);
1173 return -1;
1174 }
1175#endif
1176 return 0;
1177}
1178
1179EXPORT_SYMBOL_GPL(ps3fb_set_sync);
1180
1181static int __init ps3fb_init(void)
1182{
1183 int error;
1184#ifndef MODULE
1185 int mode;
1186 char *option = NULL;
1187
1188 if (fb_get_options("ps3fb", &option))
1189 goto err;
1190#endif
1191
1192 if (!ps3fb_videomemory.address)
1193 goto err;
1194
1195 error = ps3av_dev_open();
1196 if (error) {
1197 printk(KERN_ERR "%s: ps3av_dev_open failed\n", __FUNCTION__);
1198 goto err;
1199 }
1200
1201 ps3fb_mode = ps3av_get_mode();
1202 DPRINTK("ps3av_mode:%d\n", ps3fb_mode);
1203#ifndef MODULE
1204 mode = ps3fb_setup(option); /* check boot option */
1205 if (mode)
1206 ps3fb_mode = mode;
1207#endif
1208 if (ps3fb_mode > 0) {
1209 u32 xres, yres;
1210 ps3av_video_mode2res(ps3fb_mode, &xres, &yres);
1211 ps3fb.res_index = ps3fb_get_res_table(xres, yres);
1212 DPRINTK("res_index:%d\n", ps3fb.res_index);
1213 } else
1214 ps3fb.res_index = GPU_RES_INDEX;
1215
1216 atomic_set(&ps3fb.f_count, -1); /* fbcon opens ps3fb */
1217 atomic_set(&ps3fb.ext_flip, 0); /* for flip with vsync */
310d8c11
GU		 1218 init_waitqueue_head(&ps3fb.wait_vsync);
1219 ps3fb.num_frames = 1;
1220
1221 error = platform_driver_register(&ps3fb_driver);
1222 if (!error) {
1223 error = platform_device_register(&ps3fb_device);
1224 if (error)
1225 platform_driver_unregister(&ps3fb_driver);
1226 }
1227
1228 ps3fb_set_sync();
1229
1230 return error;
1231
1232err:
1233 return -ENXIO;
1234}
1235
1236module_init(ps3fb_init);
1237
1238#ifdef MODULE
1239static void __exit ps3fb_exit(void)
1240{
1241 platform_device_unregister(&ps3fb_device);
1242 platform_driver_unregister(&ps3fb_driver);
1243}
1244
1245module_exit(ps3fb_exit);
1246
1247MODULE_LICENSE("GPL");
1248#endif /* MODULE */
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