2 * linux/drivers/video/ps3fb.c -- PS3 GPU frame buffer device
4 * Copyright (C) 2006 Sony Computer Entertainment Inc.
5 * Copyright 2006, 2007 Sony Corporation
7 * This file is based on :
9 * linux/drivers/video/vfb.c -- Virtual frame buffer device
11 * Copyright (C) 2002 James Simmons
13 * Copyright (C) 1997 Geert Uytterhoeven
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
20 #include <linux/module.h>
21 #include <linux/kernel.h>
22 #include <linux/errno.h>
23 #include <linux/string.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>
32 #include <linux/init.h>
34 #include <asm/abs_addr.h>
35 #include <asm/lv1call.h>
36 #include <asm/ps3av.h>
37 #include <asm/ps3fb.h>
41 #define DEVICE_NAME "ps3fb"
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
49 #define L1GPU_FB_BLIT_WAIT_FOR_COMPLETION (1ULL << 32)
51 #define L1GPU_DISPLAY_SYNC_HSYNC 1
52 #define L1GPU_DISPLAY_SYNC_VSYNC 2
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)
60 #define PS3FB_FULL_MODE_BIT 0x80
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 */
69 #define GPU_DRIVER_INFO_VERSION 0x211
103 struct gpu_driver_info
{
107 u32 hardware_channel
;
109 u32 nvcore_frequency
;
110 u32 memory_frequency
;
113 struct display_head display_head
[8];
120 u64 context_handle
, memory_handle
;
123 struct gpu_driver_info
*dinfo
;
125 u64 vblank_count
; /* frame count */
126 wait_queue_head_t wait_vsync
;
128 atomic_t ext_flip
; /* on/off flip with vsync */
129 atomic_t f_count
; /* fb_open count */
132 struct task_struct
*task
;
134 static struct ps3fb_priv ps3fb
;
137 u32 pseudo_palette
[16];
138 int mode_id
, new_mode_id
;
140 unsigned int num_frames
; /* num of frame buffers */
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
;
148 struct ps3fb_res_table
{
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},
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},
173 /* default resolution */
174 #define GPU_RES_INDEX 0 /* 720 x 480 */
176 static const struct fb_videomode ps3fb_modedb
[] = {
177 /* 60 Hz broadcast modes (modes "1" to "5") */
180 "480i", 60, 576, 384, 74074, 130, 89, 78, 57, 63, 6,
181 FB_SYNC_BROADCAST
, FB_VMODE_INTERLACED
184 "480p", 60, 576, 384, 37037, 130, 89, 78, 57, 63, 6,
185 FB_SYNC_BROADCAST
, FB_VMODE_NONINTERLACED
188 "720p", 60, 1124, 644, 13481, 298, 148, 57, 44, 80, 5,
189 FB_SYNC_BROADCAST
, FB_VMODE_NONINTERLACED
192 "1080i", 60, 1688, 964, 13481, 264, 160, 94, 62, 88, 5,
193 FB_SYNC_BROADCAST
, FB_VMODE_INTERLACED
196 "1080p", 60, 1688, 964, 6741, 264, 160, 94, 62, 88, 5,
197 FB_SYNC_BROADCAST
, FB_VMODE_NONINTERLACED
200 /* 50 Hz broadcast modes (modes "6" to "10") */
203 "576i", 50, 576, 460, 74074, 142, 83, 97, 63, 63, 5,
204 FB_SYNC_BROADCAST
, FB_VMODE_INTERLACED
207 "576p", 50, 576, 460, 37037, 142, 83, 97, 63, 63, 5,
208 FB_SYNC_BROADCAST
, FB_VMODE_NONINTERLACED
211 "720p", 50, 1124, 644, 13468, 298, 478, 57, 44, 80, 5,
212 FB_SYNC_BROADCAST
, FB_VMODE_NONINTERLACED
215 "1080i", 50, 1688, 964, 13468, 264, 600, 94, 62, 88, 5,
216 FB_SYNC_BROADCAST
, FB_VMODE_INTERLACED
219 "1080p", 50, 1688, 964, 6734, 264, 600, 94, 62, 88, 5,
220 FB_SYNC_BROADCAST
, FB_VMODE_NONINTERLACED
223 /* VESA modes (modes "11" to "13") */
226 "wxga", 60, 1280, 768, 12924, 160, 24, 29, 3, 136, 6,
227 0, FB_VMODE_NONINTERLACED
,
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
,
236 "wuxga", 60, 1920, 1200, 6494, 80, 48, 26, 3, 32, 6,
237 FB_SYNC_HOR_HIGH_ACT
, FB_VMODE_NONINTERLACED
,
241 /* 60 Hz broadcast modes (full resolution versions of modes "1" to "5") */
244 "480if", 60, 720, 480, 74074, 58, 17, 30, 9, 63, 6,
245 FB_SYNC_BROADCAST
, FB_VMODE_INTERLACED
248 "480pf", 60, 720, 480, 37037, 58, 17, 30, 9, 63, 6,
249 FB_SYNC_BROADCAST
, FB_VMODE_NONINTERLACED
252 "720pf", 60, 1280, 720, 13481, 220, 70, 19, 6, 80, 5,
253 FB_SYNC_BROADCAST
, FB_VMODE_NONINTERLACED
256 "1080if", 60, 1920, 1080, 13481, 148, 44, 36, 4, 88, 5,
257 FB_SYNC_BROADCAST
, FB_VMODE_INTERLACED
260 "1080pf", 60, 1920, 1080, 6741, 148, 44, 36, 4, 88, 5,
261 FB_SYNC_BROADCAST
, FB_VMODE_NONINTERLACED
264 /* 50 Hz broadcast modes (full resolution versions of modes "6" to "10") */
267 "576if", 50, 720, 576, 74074, 70, 11, 39, 5, 63, 5,
268 FB_SYNC_BROADCAST
, FB_VMODE_INTERLACED
271 "576pf", 50, 720, 576, 37037, 70, 11, 39, 5, 63, 5,
272 FB_SYNC_BROADCAST
, FB_VMODE_NONINTERLACED
275 "720pf", 50, 1280, 720, 13468, 220, 400, 19, 6, 80, 5,
276 FB_SYNC_BROADCAST
, FB_VMODE_NONINTERLACED
279 "1080f", 50, 1920, 1080, 13468, 148, 484, 36, 4, 88, 5,
280 FB_SYNC_BROADCAST
, FB_VMODE_INTERLACED
283 "1080pf", 50, 1920, 1080, 6734, 148, 484, 36, 4, 88, 5,
284 FB_SYNC_BROADCAST
, FB_VMODE_NONINTERLACED
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 */
298 /* Start of the virtual frame buffer (relative to fullscreen ) */
299 #define VP_OFF(i) ((WIDTH(i) * Y_OFF(i) + X_OFF(i)) * BPP)
302 static int ps3fb_mode
;
303 module_param(ps3fb_mode
, int, 0);
305 static char *mode_option __devinitdata
;
307 static int ps3fb_get_res_table(u32 xres
, u32 yres
, int mode
)
313 full_mode
= (mode
& PS3FB_FULL_MODE_BIT
) ? PS3FB_RES_FULL
: 0;
315 x
= ps3fb_res
[i
].xres
;
316 y
= ps3fb_res
[i
].yres
;
317 f
= ps3fb_res
[i
].type
;
320 pr_debug("ERROR: ps3fb_get_res_table()\n");
324 if (full_mode
== PS3FB_RES_FULL
&& f
!= PS3FB_RES_FULL
)
327 if (x
== xres
&& (yres
== 0 || y
== yres
))
330 x
= x
- 2 * ps3fb_res
[i
].xoff
;
331 y
= y
- 2 * ps3fb_res
[i
].yoff
;
332 if (x
== xres
&& (yres
== 0 || y
== yres
))
338 static unsigned int ps3fb_find_mode(const struct fb_var_screeninfo
*var
,
339 u32
*ddr_line_length
, u32
*xdr_line_length
)
341 unsigned int i
, fi
, mode
;
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
)
357 pr_debug("ps3fb_find_mode: mode not found\n");
361 /* Cropped broadcast modes use the full line length */
362 fi
= i
< PS3AV_MODE_1080P50
? i
+ PS3AV_MODE_WUXGA
: i
;
363 *ddr_line_length
= ps3fb_modedb
[fi
].xres
* BPP
;
365 if (ps3_compare_firmware_version(1, 9, 0) >= 0) {
366 *xdr_line_length
= GPU_ALIGN_UP(max(var
->xres
,
367 var
->xres_virtual
) * BPP
);
368 if (*xdr_line_length
> GPU_MAX_LINE_LENGTH
)
369 *xdr_line_length
= GPU_MAX_LINE_LENGTH
;
371 *xdr_line_length
= *ddr_line_length
;
373 /* Full broadcast modes have the full mode bit set */
375 if (mode
> PS3AV_MODE_WUXGA
)
376 mode
= (mode
- PS3AV_MODE_WUXGA
) | PS3FB_FULL_MODE_BIT
;
378 pr_debug("ps3fb_find_mode: mode %u\n", mode
);
383 static const struct fb_videomode
*ps3fb_default_mode(int id
)
385 u32 mode
= id
& PS3AV_MODE_MASK
;
388 if (mode
< PS3AV_MODE_480I
|| mode
> PS3AV_MODE_WUXGA
)
391 flags
= id
& ~PS3AV_MODE_MASK
;
393 if (mode
<= PS3AV_MODE_1080P50
&& flags
& PS3FB_FULL_MODE_BIT
) {
394 /* Full broadcast mode */
395 return &ps3fb_modedb
[mode
+ PS3AV_MODE_WUXGA
- 1];
398 return &ps3fb_modedb
[mode
- 1];
401 static void ps3fb_sync_image(struct device
*dev
, u64 frame_offset
,
402 u64 dst_offset
, u64 src_offset
, u32 width
,
403 u32 height
, u32 dst_line_length
,
409 line_length
= dst_line_length
;
410 if (src_line_length
!= dst_line_length
)
411 line_length
|= (u64
)src_line_length
<< 32;
413 src_offset
+= GPU_FB_START
;
414 status
= lv1_gpu_context_attribute(ps3fb
.context_handle
,
415 L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT
,
416 dst_offset
, GPU_IOIF
+ src_offset
,
417 L1GPU_FB_BLIT_WAIT_FOR_COMPLETION
|
418 (width
<< 16) | height
,
422 "%s: lv1_gpu_context_attribute FB_BLIT failed: %d\n",
425 status
= lv1_gpu_context_attribute(ps3fb
.context_handle
,
426 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP
,
427 0, frame_offset
, 0, 0);
429 dev_err(dev
, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
433 status
= lv1_gpu_context_attribute(ps3fb
.context_handle
,
434 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP
,
435 1, frame_offset
, 0, 0);
437 dev_err(dev
, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
442 static int ps3fb_sync(struct fb_info
*info
, u32 frame
)
444 struct ps3fb_par
*par
= info
->par
;
446 u32 ddr_line_length
, xdr_line_length
;
447 u64 ddr_base
, xdr_base
;
449 if (frame
> par
->num_frames
- 1) {
450 dev_dbg(info
->device
, "%s: invalid frame number (%u)\n",
457 xdr_line_length
= info
->fix
.line_length
;
458 ddr_line_length
= ps3fb_res
[i
].xres
* BPP
;
459 xdr_base
= frame
* info
->var
.yres_virtual
* xdr_line_length
;
460 ddr_base
= frame
* ps3fb_res
[i
].yres
* ddr_line_length
;
462 ps3fb_sync_image(info
->device
, ddr_base
+ par
->full_offset
,
463 ddr_base
+ par
->fb_offset
, xdr_base
+ par
->pan_offset
,
464 par
->width
, par
->height
, ddr_line_length
,
471 static int ps3fb_open(struct fb_info
*info
, int user
)
473 atomic_inc(&ps3fb
.f_count
);
477 static int ps3fb_release(struct fb_info
*info
, int user
)
479 if (atomic_dec_and_test(&ps3fb
.f_count
)) {
480 if (atomic_read(&ps3fb
.ext_flip
)) {
481 atomic_set(&ps3fb
.ext_flip
, 0);
482 if (!try_acquire_console_sem()) {
483 ps3fb_sync(info
, 0); /* single buffer */
484 release_console_sem();
492 * Setting the video mode has been split into two parts.
493 * First part, xxxfb_check_var, must not write anything
494 * to hardware, it should only verify and adjust var.
495 * This means it doesn't alter par but it does use hardware
496 * data from it to check this var.
499 static int ps3fb_check_var(struct fb_var_screeninfo
*var
, struct fb_info
*info
)
501 u32 xdr_line_length
, ddr_line_length
;
504 dev_dbg(info
->device
, "var->xres:%u info->var.xres:%u\n", var
->xres
,
506 dev_dbg(info
->device
, "var->yres:%u info->var.yres:%u\n", var
->yres
,
509 /* FIXME For now we do exact matches only */
510 mode
= ps3fb_find_mode(var
, &ddr_line_length
, &xdr_line_length
);
515 if (var
->xres_virtual
< var
->xres
)
516 var
->xres_virtual
= var
->xres
;
517 if (var
->yres_virtual
< var
->yres
)
518 var
->yres_virtual
= var
->yres
;
520 if (var
->xres_virtual
> xdr_line_length
/ BPP
) {
521 dev_dbg(info
->device
,
522 "Horizontal virtual screen size too large\n");
526 if (var
->xoffset
+ var
->xres
> var
->xres_virtual
||
527 var
->yoffset
+ var
->yres
> var
->yres_virtual
) {
528 dev_dbg(info
->device
, "panning out-of-range\n");
532 /* We support ARGB8888 only */
533 if (var
->bits_per_pixel
> 32 || var
->grayscale
||
534 var
->red
.offset
> 16 || var
->green
.offset
> 8 ||
535 var
->blue
.offset
> 0 || var
->transp
.offset
> 24 ||
536 var
->red
.length
> 8 || var
->green
.length
> 8 ||
537 var
->blue
.length
> 8 || var
->transp
.length
> 8 ||
538 var
->red
.msb_right
|| var
->green
.msb_right
||
539 var
->blue
.msb_right
|| var
->transp
.msb_right
|| var
->nonstd
) {
540 dev_dbg(info
->device
, "We support ARGB8888 only\n");
544 var
->bits_per_pixel
= 32;
545 var
->red
.offset
= 16;
546 var
->green
.offset
= 8;
547 var
->blue
.offset
= 0;
548 var
->transp
.offset
= 24;
550 var
->green
.length
= 8;
551 var
->blue
.length
= 8;
552 var
->transp
.length
= 8;
553 var
->red
.msb_right
= 0;
554 var
->green
.msb_right
= 0;
555 var
->blue
.msb_right
= 0;
556 var
->transp
.msb_right
= 0;
558 /* Rotation is not supported */
560 dev_dbg(info
->device
, "Rotation is not supported\n");
565 if (var
->yres_virtual
* xdr_line_length
> ps3fb
.xdr_size
) {
566 dev_dbg(info
->device
, "Not enough memory\n");
577 * This routine actually sets the video mode.
580 static int ps3fb_set_par(struct fb_info
*info
)
582 struct ps3fb_par
*par
= info
->par
;
583 unsigned int mode
, ddr_line_length
, xdr_line_length
, lines
, maxlines
;
585 unsigned long offset
;
588 dev_dbg(info
->device
, "xres:%d xv:%d yres:%d yv:%d clock:%d\n",
589 info
->var
.xres
, info
->var
.xres_virtual
,
590 info
->var
.yres
, info
->var
.yres_virtual
, info
->var
.pixclock
);
592 mode
= ps3fb_find_mode(&info
->var
, &ddr_line_length
, &xdr_line_length
);
596 i
= ps3fb_get_res_table(info
->var
.xres
, info
->var
.yres
, mode
);
599 info
->fix
.smem_start
= virt_to_abs(ps3fb
.xdr_ea
);
600 info
->fix
.smem_len
= ps3fb
.xdr_size
;
601 info
->fix
.xpanstep
= info
->var
.xres_virtual
> info
->var
.xres
? 1 : 0;
602 info
->fix
.ypanstep
= info
->var
.yres_virtual
> info
->var
.yres
? 1 : 0;
603 info
->fix
.line_length
= xdr_line_length
;
605 info
->screen_base
= (char __iomem
*)ps3fb
.xdr_ea
;
607 par
->num_frames
= ps3fb
.xdr_size
/
608 max(ps3fb_res
[i
].yres
* ddr_line_length
,
609 info
->var
.yres_virtual
* xdr_line_length
);
611 /* Keep the special bits we cannot set using fb_var_screeninfo */
612 par
->new_mode_id
= (par
->new_mode_id
& ~PS3AV_MODE_MASK
) | mode
;
614 par
->width
= info
->var
.xres
;
615 par
->height
= info
->var
.yres
;
617 par
->fb_offset
= GPU_ALIGN_UP(offset
);
618 par
->full_offset
= par
->fb_offset
- offset
;
619 par
->pan_offset
= info
->var
.yoffset
* xdr_line_length
+
620 info
->var
.xoffset
* BPP
;
622 if (par
->new_mode_id
!= par
->mode_id
) {
623 if (ps3av_set_video_mode(par
->new_mode_id
)) {
624 par
->new_mode_id
= par
->mode_id
;
627 par
->mode_id
= par
->new_mode_id
;
630 /* Clear XDR frame buffer memory */
631 memset(ps3fb
.xdr_ea
, 0, ps3fb
.xdr_size
);
633 /* Clear DDR frame buffer memory */
634 lines
= ps3fb_res
[i
].yres
* par
->num_frames
;
635 if (par
->full_offset
)
637 maxlines
= ps3fb
.xdr_size
/ ddr_line_length
;
638 for (dst
= 0; lines
; dst
+= maxlines
* ddr_line_length
) {
639 unsigned int l
= min(lines
, maxlines
);
640 ps3fb_sync_image(info
->device
, 0, dst
, 0, ps3fb_res
[i
].xres
, l
,
641 ddr_line_length
, ddr_line_length
);
649 * Set a single color register. The values supplied are already
650 * rounded down to the hardware's capabilities (according to the
651 * entries in the var structure). Return != 0 for invalid regno.
654 static int ps3fb_setcolreg(unsigned int regno
, unsigned int red
,
655 unsigned int green
, unsigned int blue
,
656 unsigned int transp
, struct fb_info
*info
)
666 ((u32
*)info
->pseudo_palette
)[regno
] = transp
<< 24 | red
<< 16 |
671 static int ps3fb_pan_display(struct fb_var_screeninfo
*var
,
672 struct fb_info
*info
)
674 struct ps3fb_par
*par
= info
->par
;
676 par
->pan_offset
= var
->yoffset
* info
->fix
.line_length
+
682 * As we have a virtual frame buffer, we need our own mmap function
685 static int ps3fb_mmap(struct fb_info
*info
, struct vm_area_struct
*vma
)
687 unsigned long size
, offset
;
689 size
= vma
->vm_end
- vma
->vm_start
;
690 offset
= vma
->vm_pgoff
<< PAGE_SHIFT
;
691 if (offset
+ size
> info
->fix
.smem_len
)
694 offset
+= info
->fix
.smem_start
;
695 if (remap_pfn_range(vma
, vma
->vm_start
, offset
>> PAGE_SHIFT
,
696 size
, vma
->vm_page_prot
))
699 dev_dbg(info
->device
, "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n",
700 offset
, vma
->vm_start
);
708 static int ps3fb_blank(int blank
, struct fb_info
*info
)
712 dev_dbg(info
->device
, "%s: blank:%d\n", __func__
, blank
);
714 case FB_BLANK_POWERDOWN
:
715 case FB_BLANK_HSYNC_SUSPEND
:
716 case FB_BLANK_VSYNC_SUSPEND
:
717 case FB_BLANK_NORMAL
:
718 retval
= ps3av_video_mute(1); /* mute on */
720 ps3fb
.is_blanked
= 1;
723 default: /* unblank */
724 retval
= ps3av_video_mute(0); /* mute off */
726 ps3fb
.is_blanked
= 0;
732 static int ps3fb_get_vblank(struct fb_vblank
*vblank
)
734 memset(vblank
, 0, sizeof(*vblank
));
735 vblank
->flags
= FB_VBLANK_HAVE_VSYNC
;
739 static int ps3fb_wait_for_vsync(u32 crtc
)
744 count
= ps3fb
.vblank_count
;
745 ret
= wait_event_interruptible_timeout(ps3fb
.wait_vsync
,
746 count
!= ps3fb
.vblank_count
,
754 static void ps3fb_flip_ctl(int on
, void *data
)
756 struct ps3fb_priv
*priv
= data
;
758 atomic_dec_if_positive(&priv
->ext_flip
);
760 atomic_inc(&priv
->ext_flip
);
768 static int ps3fb_ioctl(struct fb_info
*info
, unsigned int cmd
,
771 void __user
*argp
= (void __user
*)arg
;
773 int retval
= -EFAULT
;
778 struct fb_vblank vblank
;
779 dev_dbg(info
->device
, "FBIOGET_VBLANK:\n");
780 retval
= ps3fb_get_vblank(&vblank
);
784 if (copy_to_user(argp
, &vblank
, sizeof(vblank
)))
789 case FBIO_WAITFORVSYNC
:
792 dev_dbg(info
->device
, "FBIO_WAITFORVSYNC:\n");
793 if (get_user(crt
, (u32 __user
*) arg
))
796 retval
= ps3fb_wait_for_vsync(crt
);
800 case PS3FB_IOCTL_SETMODE
:
802 struct ps3fb_par
*par
= info
->par
;
803 const struct fb_videomode
*mode
;
804 struct fb_var_screeninfo var
;
806 if (copy_from_user(&val
, argp
, sizeof(val
)))
809 if (!(val
& PS3AV_MODE_MASK
)) {
810 u32 id
= ps3av_get_auto_mode();
812 val
= (val
& ~PS3AV_MODE_MASK
) | id
;
814 dev_dbg(info
->device
, "PS3FB_IOCTL_SETMODE:%x\n", val
);
816 mode
= ps3fb_default_mode(val
);
819 fb_videomode_to_var(&var
, mode
);
820 acquire_console_sem();
821 info
->flags
|= FBINFO_MISC_USEREVENT
;
822 /* Force, in case only special bits changed */
823 var
.activate
|= FB_ACTIVATE_FORCE
;
824 par
->new_mode_id
= val
;
825 retval
= fb_set_var(info
, &var
);
826 info
->flags
&= ~FBINFO_MISC_USEREVENT
;
827 release_console_sem();
832 case PS3FB_IOCTL_GETMODE
:
833 val
= ps3av_get_mode();
834 dev_dbg(info
->device
, "PS3FB_IOCTL_GETMODE:%x\n", val
);
835 if (!copy_to_user(argp
, &val
, sizeof(val
)))
839 case PS3FB_IOCTL_SCREENINFO
:
841 struct ps3fb_par
*par
= info
->par
;
842 struct ps3fb_ioctl_res res
;
843 dev_dbg(info
->device
, "PS3FB_IOCTL_SCREENINFO:\n");
844 res
.xres
= info
->fix
.line_length
/ BPP
;
845 res
.yres
= info
->var
.yres_virtual
;
846 res
.xoff
= (res
.xres
- info
->var
.xres
) / 2;
847 res
.yoff
= (res
.yres
- info
->var
.yres
) / 2;
848 res
.num_frames
= par
->num_frames
;
849 if (!copy_to_user(argp
, &res
, sizeof(res
)))
855 dev_dbg(info
->device
, "PS3FB_IOCTL_ON:\n");
856 atomic_inc(&ps3fb
.ext_flip
);
860 case PS3FB_IOCTL_OFF
:
861 dev_dbg(info
->device
, "PS3FB_IOCTL_OFF:\n");
862 atomic_dec_if_positive(&ps3fb
.ext_flip
);
866 case PS3FB_IOCTL_FSEL
:
867 if (copy_from_user(&val
, argp
, sizeof(val
)))
870 dev_dbg(info
->device
, "PS3FB_IOCTL_FSEL:%d\n", val
);
871 acquire_console_sem();
872 retval
= ps3fb_sync(info
, val
);
873 release_console_sem();
877 retval
= -ENOIOCTLCMD
;
883 static int ps3fbd(void *arg
)
885 struct fb_info
*info
= arg
;
888 while (!kthread_should_stop()) {
890 set_current_state(TASK_INTERRUPTIBLE
);
891 if (ps3fb
.is_kicked
) {
893 acquire_console_sem();
894 ps3fb_sync(info
, 0); /* single buffer */
895 release_console_sem();
902 static irqreturn_t
ps3fb_vsync_interrupt(int irq
, void *ptr
)
904 struct device
*dev
= ptr
;
907 struct display_head
*head
= &ps3fb
.dinfo
->display_head
[1];
909 status
= lv1_gpu_context_intr(ps3fb
.context_handle
, &v1
);
911 dev_err(dev
, "%s: lv1_gpu_context_intr failed: %d\n", __func__
,
916 if (v1
& (1 << GPU_INTR_STATUS_VSYNC_1
)) {
918 ps3fb
.vblank_count
= head
->vblank_count
;
919 if (ps3fb
.task
&& !ps3fb
.is_blanked
&&
920 !atomic_read(&ps3fb
.ext_flip
)) {
922 wake_up_process(ps3fb
.task
);
924 wake_up_interruptible(&ps3fb
.wait_vsync
);
931 static int ps3fb_vsync_settings(struct gpu_driver_info
*dinfo
,
936 dev_dbg(dev
, "version_driver:%x\n", dinfo
->version_driver
);
937 dev_dbg(dev
, "irq outlet:%x\n", dinfo
->irq
.irq_outlet
);
939 "version_gpu: %x memory_size: %x ch: %x core_freq: %d "
941 dinfo
->version_gpu
, dinfo
->memory_size
, dinfo
->hardware_channel
,
942 dinfo
->nvcore_frequency
/1000000, dinfo
->memory_frequency
/1000000);
944 if (dinfo
->version_driver
!= GPU_DRIVER_INFO_VERSION
) {
945 dev_err(dev
, "%s: version_driver err:%x\n", __func__
,
946 dinfo
->version_driver
);
950 error
= ps3_irq_plug_setup(PS3_BINDING_CPU_ANY
, dinfo
->irq
.irq_outlet
,
953 dev_err(dev
, "%s: ps3_alloc_irq failed %d\n", __func__
, error
);
957 error
= request_irq(ps3fb
.irq_no
, ps3fb_vsync_interrupt
, IRQF_DISABLED
,
960 dev_err(dev
, "%s: request_irq failed %d\n", __func__
, error
);
961 ps3_irq_plug_destroy(ps3fb
.irq_no
);
965 dinfo
->irq
.mask
= (1 << GPU_INTR_STATUS_VSYNC_1
) |
966 (1 << GPU_INTR_STATUS_FLIP_1
);
970 static int ps3fb_xdr_settings(u64 xdr_lpar
, struct device
*dev
)
974 status
= lv1_gpu_context_iomap(ps3fb
.context_handle
, GPU_IOIF
,
975 xdr_lpar
, ps3fb_videomemory
.size
, 0);
977 dev_err(dev
, "%s: lv1_gpu_context_iomap failed: %d\n",
982 "video:%p xdr_ea:%p ioif:%lx lpar:%lx phys:%lx size:%lx\n",
983 ps3fb_videomemory
.address
, ps3fb
.xdr_ea
, GPU_IOIF
, xdr_lpar
,
984 virt_to_abs(ps3fb
.xdr_ea
), ps3fb_videomemory
.size
);
986 status
= lv1_gpu_context_attribute(ps3fb
.context_handle
,
987 L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP
,
988 xdr_lpar
, GPU_CMD_BUF_SIZE
,
992 "%s: lv1_gpu_context_attribute FB_SETUP failed: %d\n",
999 static struct fb_ops ps3fb_ops
= {
1000 .fb_open
= ps3fb_open
,
1001 .fb_release
= ps3fb_release
,
1002 .fb_read
= fb_sys_read
,
1003 .fb_write
= fb_sys_write
,
1004 .fb_check_var
= ps3fb_check_var
,
1005 .fb_set_par
= ps3fb_set_par
,
1006 .fb_setcolreg
= ps3fb_setcolreg
,
1007 .fb_pan_display
= ps3fb_pan_display
,
1008 .fb_fillrect
= sys_fillrect
,
1009 .fb_copyarea
= sys_copyarea
,
1010 .fb_imageblit
= sys_imageblit
,
1011 .fb_mmap
= ps3fb_mmap
,
1012 .fb_blank
= ps3fb_blank
,
1013 .fb_ioctl
= ps3fb_ioctl
,
1014 .fb_compat_ioctl
= ps3fb_ioctl
1017 static struct fb_fix_screeninfo ps3fb_fix __initdata
= {
1019 .type
= FB_TYPE_PACKED_PIXELS
,
1020 .visual
= FB_VISUAL_TRUECOLOR
,
1021 .accel
= FB_ACCEL_NONE
,
1024 static int ps3fb_set_sync(struct device
*dev
)
1029 status
= lv1_gpu_context_attribute(0x0,
1030 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC
,
1031 0, L1GPU_DISPLAY_SYNC_VSYNC
, 0, 0);
1034 "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
1041 status
= lv1_gpu_context_attribute(0x0,
1042 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC
,
1043 1, L1GPU_DISPLAY_SYNC_VSYNC
, 0, 0);
1047 "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
1056 static int __devinit
ps3fb_probe(struct ps3_system_bus_device
*dev
)
1058 struct fb_info
*info
;
1059 struct ps3fb_par
*par
;
1060 int retval
= -ENOMEM
;
1063 u64 lpar_dma_control
= 0;
1064 u64 lpar_driver_info
= 0;
1065 u64 lpar_reports
= 0;
1066 u64 lpar_reports_size
= 0;
1068 int status
, res_index
;
1069 struct task_struct
*task
;
1070 unsigned long max_ps3fb_size
;
1072 if (ps3fb_videomemory
.size
< GPU_CMD_BUF_SIZE
) {
1073 dev_err(&dev
->core
, "%s: Not enough video memory\n", __func__
);
1077 status
= ps3_open_hv_device(dev
);
1079 dev_err(&dev
->core
, "%s: ps3_open_hv_device failed\n",
1085 ps3fb_mode
= ps3av_get_mode();
1086 dev_dbg(&dev
->core
, "ps3fb_mode: %d\n", ps3fb_mode
);
1088 if (ps3fb_mode
> 0 &&
1089 !ps3av_video_mode2res(ps3fb_mode
, &xres
, &yres
)) {
1090 res_index
= ps3fb_get_res_table(xres
, yres
, ps3fb_mode
);
1091 dev_dbg(&dev
->core
, "res_index:%d\n", res_index
);
1093 res_index
= GPU_RES_INDEX
;
1095 atomic_set(&ps3fb
.f_count
, -1); /* fbcon opens ps3fb */
1096 atomic_set(&ps3fb
.ext_flip
, 0); /* for flip with vsync */
1097 init_waitqueue_head(&ps3fb
.wait_vsync
);
1099 ps3fb_set_sync(&dev
->core
);
1101 max_ps3fb_size
= _ALIGN_UP(GPU_IOIF
, 256*1024*1024) - GPU_IOIF
;
1102 if (ps3fb_videomemory
.size
> max_ps3fb_size
) {
1103 dev_info(&dev
->core
, "Limiting ps3fb mem size to %lu bytes\n",
1105 ps3fb_videomemory
.size
= max_ps3fb_size
;
1108 /* get gpu context handle */
1109 status
= lv1_gpu_memory_allocate(ps3fb_videomemory
.size
, 0, 0, 0, 0,
1110 &ps3fb
.memory_handle
, &ddr_lpar
);
1112 dev_err(&dev
->core
, "%s: lv1_gpu_memory_allocate failed: %d\n",
1116 dev_dbg(&dev
->core
, "ddr:lpar:0x%lx\n", ddr_lpar
);
1118 status
= lv1_gpu_context_allocate(ps3fb
.memory_handle
, 0,
1119 &ps3fb
.context_handle
,
1120 &lpar_dma_control
, &lpar_driver_info
,
1121 &lpar_reports
, &lpar_reports_size
);
1124 "%s: lv1_gpu_context_attribute failed: %d\n", __func__
,
1126 goto err_gpu_memory_free
;
1129 /* vsync interrupt */
1130 ps3fb
.dinfo
= ioremap(lpar_driver_info
, 128 * 1024);
1132 dev_err(&dev
->core
, "%s: ioremap failed\n", __func__
);
1133 goto err_gpu_context_free
;
1136 retval
= ps3fb_vsync_settings(ps3fb
.dinfo
, &dev
->core
);
1138 goto err_iounmap_dinfo
;
1140 /* XDR frame buffer */
1141 ps3fb
.xdr_ea
= ps3fb_videomemory
.address
;
1142 xdr_lpar
= ps3_mm_phys_to_lpar(__pa(ps3fb
.xdr_ea
));
1144 /* Clear memory to prevent kernel info leakage into userspace */
1145 memset(ps3fb
.xdr_ea
, 0, ps3fb_videomemory
.size
);
1148 * The GPU command buffer is at the start of video memory
1149 * As we don't use the full command buffer, we can put the actual
1150 * frame buffer at offset GPU_FB_START and save some precious XDR
1153 ps3fb
.xdr_ea
+= GPU_FB_START
;
1154 ps3fb
.xdr_size
= ps3fb_videomemory
.size
- GPU_FB_START
;
1156 retval
= ps3fb_xdr_settings(xdr_lpar
, &dev
->core
);
1160 info
= framebuffer_alloc(sizeof(struct ps3fb_par
), &dev
->core
);
1165 par
->mode_id
= ~ps3fb_mode
; /* != ps3fb_mode, to trigger change */
1166 par
->new_mode_id
= ps3fb_mode
;
1167 par
->res_index
= res_index
;
1168 par
->num_frames
= 1;
1170 info
->screen_base
= (char __iomem
*)ps3fb
.xdr_ea
;
1171 info
->fbops
= &ps3fb_ops
;
1173 info
->fix
= ps3fb_fix
;
1174 info
->fix
.smem_start
= virt_to_abs(ps3fb
.xdr_ea
);
1175 info
->fix
.smem_len
= ps3fb
.xdr_size
;
1176 info
->pseudo_palette
= par
->pseudo_palette
;
1177 info
->flags
= FBINFO_DEFAULT
| FBINFO_READS_FAST
|
1178 FBINFO_HWACCEL_XPAN
| FBINFO_HWACCEL_YPAN
;
1180 retval
= fb_alloc_cmap(&info
->cmap
, 256, 0);
1182 goto err_framebuffer_release
;
1184 if (!fb_find_mode(&info
->var
, info
, mode_option
, ps3fb_modedb
,
1185 ARRAY_SIZE(ps3fb_modedb
),
1186 ps3fb_default_mode(par
->new_mode_id
), 32)) {
1188 goto err_fb_dealloc
;
1191 fb_videomode_to_modelist(ps3fb_modedb
, ARRAY_SIZE(ps3fb_modedb
),
1194 retval
= register_framebuffer(info
);
1196 goto err_fb_dealloc
;
1198 dev
->core
.driver_data
= info
;
1200 dev_info(info
->device
, "%s %s, using %lu KiB of video memory\n",
1201 dev_driver_string(info
->dev
), info
->dev
->bus_id
,
1202 ps3fb
.xdr_size
>> 10);
1204 task
= kthread_run(ps3fbd
, info
, DEVICE_NAME
);
1206 retval
= PTR_ERR(task
);
1207 goto err_unregister_framebuffer
;
1211 ps3av_register_flip_ctl(ps3fb_flip_ctl
, &ps3fb
);
1215 err_unregister_framebuffer
:
1216 unregister_framebuffer(info
);
1218 fb_dealloc_cmap(&info
->cmap
);
1219 err_framebuffer_release
:
1220 framebuffer_release(info
);
1222 free_irq(ps3fb
.irq_no
, &dev
->core
);
1223 ps3_irq_plug_destroy(ps3fb
.irq_no
);
1225 iounmap((u8 __iomem
*)ps3fb
.dinfo
);
1226 err_gpu_context_free
:
1227 lv1_gpu_context_free(ps3fb
.context_handle
);
1228 err_gpu_memory_free
:
1229 lv1_gpu_memory_free(ps3fb
.memory_handle
);
1234 static int ps3fb_shutdown(struct ps3_system_bus_device
*dev
)
1237 struct fb_info
*info
= dev
->core
.driver_data
;
1239 dev_dbg(&dev
->core
, " -> %s:%d\n", __func__
, __LINE__
);
1241 ps3fb_flip_ctl(0, &ps3fb
); /* flip off */
1242 ps3fb
.dinfo
->irq
.mask
= 0;
1244 ps3av_register_flip_ctl(NULL
, NULL
);
1246 struct task_struct
*task
= ps3fb
.task
;
1251 free_irq(ps3fb
.irq_no
, &dev
->core
);
1252 ps3_irq_plug_destroy(ps3fb
.irq_no
);
1255 unregister_framebuffer(info
);
1256 fb_dealloc_cmap(&info
->cmap
);
1257 framebuffer_release(info
);
1258 info
= dev
->core
.driver_data
= NULL
;
1260 iounmap((u8 __iomem
*)ps3fb
.dinfo
);
1262 status
= lv1_gpu_context_free(ps3fb
.context_handle
);
1264 dev_dbg(&dev
->core
, "lv1_gpu_context_free failed: %d\n",
1267 status
= lv1_gpu_memory_free(ps3fb
.memory_handle
);
1269 dev_dbg(&dev
->core
, "lv1_gpu_memory_free failed: %d\n",
1272 ps3_close_hv_device(dev
);
1273 dev_dbg(&dev
->core
, " <- %s:%d\n", __func__
, __LINE__
);
1278 static struct ps3_system_bus_driver ps3fb_driver
= {
1279 .match_id
= PS3_MATCH_ID_GRAPHICS
,
1280 .core
.name
= DEVICE_NAME
,
1281 .core
.owner
= THIS_MODULE
,
1282 .probe
= ps3fb_probe
,
1283 .remove
= ps3fb_shutdown
,
1284 .shutdown
= ps3fb_shutdown
,
1287 static int __init
ps3fb_setup(void)
1295 if (fb_get_options(DEVICE_NAME
, &options
))
1298 if (!options
|| !*options
)
1302 char *this_opt
= strsep(&options
, ",");
1308 if (!strncmp(this_opt
, "mode:", 5))
1309 ps3fb_mode
= simple_strtoul(this_opt
+ 5, NULL
, 0);
1311 mode_option
= this_opt
;
1316 static int __init
ps3fb_init(void)
1318 if (!ps3fb_videomemory
.address
|| ps3fb_setup())
1321 return ps3_system_bus_driver_register(&ps3fb_driver
);
1324 static void __exit
ps3fb_exit(void)
1326 pr_debug(" -> %s:%d\n", __func__
, __LINE__
);
1327 ps3_system_bus_driver_unregister(&ps3fb_driver
);
1328 pr_debug(" <- %s:%d\n", __func__
, __LINE__
);
1331 module_init(ps3fb_init
);
1332 module_exit(ps3fb_exit
);
1334 MODULE_LICENSE("GPL");
1335 MODULE_DESCRIPTION("PS3 GPU Frame Buffer Driver");
1336 MODULE_AUTHOR("Sony Computer Entertainment Inc.");
1337 MODULE_ALIAS(PS3_MODULE_ALIAS_GRAPHICS
);