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/cell-regs.h>
35 #include <asm/lv1call.h>
36 #include <asm/ps3av.h>
37 #include <asm/ps3fb.h>
39 #include <asm/ps3gpu.h>
42 #define DEVICE_NAME "ps3fb"
44 #define GPU_CMD_BUF_SIZE (2 * 1024 * 1024)
45 #define GPU_FB_START (64 * 1024)
46 #define GPU_IOIF (0x0d000000UL)
47 #define GPU_ALIGN_UP(x) _ALIGN_UP((x), 64)
48 #define GPU_MAX_LINE_LENGTH (65536 - 64)
50 #define GPU_INTR_STATUS_VSYNC_0 0 /* vsync on head A */
51 #define GPU_INTR_STATUS_VSYNC_1 1 /* vsync on head B */
52 #define GPU_INTR_STATUS_FLIP_0 3 /* flip head A */
53 #define GPU_INTR_STATUS_FLIP_1 4 /* flip head B */
54 #define GPU_INTR_STATUS_QUEUE_0 5 /* queue head A */
55 #define GPU_INTR_STATUS_QUEUE_1 6 /* queue head B */
57 #define GPU_DRIVER_INFO_VERSION 0x211
91 struct gpu_driver_info
{
101 struct display_head display_head
[8];
108 u64 context_handle
, memory_handle
;
109 struct gpu_driver_info
*dinfo
;
111 u64 vblank_count
; /* frame count */
112 wait_queue_head_t wait_vsync
;
114 atomic_t ext_flip
; /* on/off flip with vsync */
115 atomic_t f_count
; /* fb_open count */
118 struct task_struct
*task
;
120 static struct ps3fb_priv ps3fb
;
123 u32 pseudo_palette
[16];
124 int mode_id
, new_mode_id
;
125 unsigned int num_frames
; /* num of frame buffers */
128 unsigned int ddr_line_length
;
129 unsigned int ddr_frame_size
;
130 unsigned int xdr_frame_size
;
131 unsigned int full_offset
; /* start of fullscreen DDR fb */
132 unsigned int fb_offset
; /* start of actual DDR fb */
133 unsigned int pan_offset
;
137 #define FIRST_NATIVE_MODE_INDEX 10
139 static const struct fb_videomode ps3fb_modedb
[] = {
140 /* 60 Hz broadcast modes (modes "1" to "5") */
143 "480i", 60, 576, 384, 74074, 130, 89, 78, 57, 63, 6,
144 FB_SYNC_BROADCAST
, FB_VMODE_INTERLACED
147 "480p", 60, 576, 384, 37037, 130, 89, 78, 57, 63, 6,
148 FB_SYNC_BROADCAST
, FB_VMODE_NONINTERLACED
151 "720p", 60, 1124, 644, 13481, 298, 148, 57, 44, 80, 5,
152 FB_SYNC_BROADCAST
, FB_VMODE_NONINTERLACED
155 "1080i", 60, 1688, 964, 13481, 264, 160, 94, 62, 88, 5,
156 FB_SYNC_BROADCAST
, FB_VMODE_INTERLACED
159 "1080p", 60, 1688, 964, 6741, 264, 160, 94, 62, 88, 5,
160 FB_SYNC_BROADCAST
, FB_VMODE_NONINTERLACED
163 /* 50 Hz broadcast modes (modes "6" to "10") */
166 "576i", 50, 576, 460, 74074, 142, 83, 97, 63, 63, 5,
167 FB_SYNC_BROADCAST
, FB_VMODE_INTERLACED
170 "576p", 50, 576, 460, 37037, 142, 83, 97, 63, 63, 5,
171 FB_SYNC_BROADCAST
, FB_VMODE_NONINTERLACED
174 "720p", 50, 1124, 644, 13468, 298, 478, 57, 44, 80, 5,
175 FB_SYNC_BROADCAST
, FB_VMODE_NONINTERLACED
178 "1080i", 50, 1688, 964, 13468, 264, 600, 94, 62, 88, 5,
179 FB_SYNC_BROADCAST
, FB_VMODE_INTERLACED
182 "1080p", 50, 1688, 964, 6734, 264, 600, 94, 62, 88, 5,
183 FB_SYNC_BROADCAST
, FB_VMODE_NONINTERLACED
186 [FIRST_NATIVE_MODE_INDEX
] =
187 /* 60 Hz broadcast modes (full resolution versions of modes "1" to "5") */
190 "480if", 60, 720, 480, 74074, 58, 17, 30, 9, 63, 6,
191 FB_SYNC_BROADCAST
, FB_VMODE_INTERLACED
194 "480pf", 60, 720, 480, 37037, 58, 17, 30, 9, 63, 6,
195 FB_SYNC_BROADCAST
, FB_VMODE_NONINTERLACED
198 "720pf", 60, 1280, 720, 13481, 220, 70, 19, 6, 80, 5,
199 FB_SYNC_BROADCAST
, FB_VMODE_NONINTERLACED
202 "1080if", 60, 1920, 1080, 13481, 148, 44, 36, 4, 88, 5,
203 FB_SYNC_BROADCAST
, FB_VMODE_INTERLACED
206 "1080pf", 60, 1920, 1080, 6741, 148, 44, 36, 4, 88, 5,
207 FB_SYNC_BROADCAST
, FB_VMODE_NONINTERLACED
210 /* 50 Hz broadcast modes (full resolution versions of modes "6" to "10") */
213 "576if", 50, 720, 576, 74074, 70, 11, 39, 5, 63, 5,
214 FB_SYNC_BROADCAST
, FB_VMODE_INTERLACED
217 "576pf", 50, 720, 576, 37037, 70, 11, 39, 5, 63, 5,
218 FB_SYNC_BROADCAST
, FB_VMODE_NONINTERLACED
221 "720pf", 50, 1280, 720, 13468, 220, 400, 19, 6, 80, 5,
222 FB_SYNC_BROADCAST
, FB_VMODE_NONINTERLACED
225 "1080if", 50, 1920, 1080, 13468, 148, 484, 36, 4, 88, 5,
226 FB_SYNC_BROADCAST
, FB_VMODE_INTERLACED
229 "1080pf", 50, 1920, 1080, 6734, 148, 484, 36, 4, 88, 5,
230 FB_SYNC_BROADCAST
, FB_VMODE_NONINTERLACED
233 /* VESA modes (modes "11" to "13") */
236 "wxga", 60, 1280, 768, 12924, 160, 24, 29, 3, 136, 6,
237 0, FB_VMODE_NONINTERLACED
,
241 "sxga", 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3,
242 FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
, FB_VMODE_NONINTERLACED
,
246 "wuxga", 60, 1920, 1200, 6494, 80, 48, 26, 3, 32, 6,
247 FB_SYNC_HOR_HIGH_ACT
, FB_VMODE_NONINTERLACED
,
256 #define BPP 4 /* number of bytes per pixel */
259 static int ps3fb_mode
;
260 module_param(ps3fb_mode
, int, 0);
262 static char *mode_option
;
264 static int ps3fb_cmp_mode(const struct fb_videomode
*vmode
,
265 const struct fb_var_screeninfo
*var
)
267 long xres
, yres
, left_margin
, right_margin
, upper_margin
, lower_margin
;
271 if (var
->xres
> vmode
->xres
|| var
->yres
> vmode
->yres
||
272 var
->pixclock
> vmode
->pixclock
||
273 var
->hsync_len
> vmode
->hsync_len
||
274 var
->vsync_len
> vmode
->vsync_len
)
277 /* progressive/interlaced must match */
278 if ((var
->vmode
& FB_VMODE_MASK
) != vmode
->vmode
)
281 /* minimum resolution */
282 xres
= max(var
->xres
, 1U);
283 yres
= max(var
->yres
, 1U);
285 /* minimum margins */
286 left_margin
= max(var
->left_margin
, vmode
->left_margin
);
287 right_margin
= max(var
->right_margin
, vmode
->right_margin
);
288 upper_margin
= max(var
->upper_margin
, vmode
->upper_margin
);
289 lower_margin
= max(var
->lower_margin
, vmode
->lower_margin
);
291 /* resolution + margins may not exceed native parameters */
292 dx
= ((long)vmode
->left_margin
+ (long)vmode
->xres
+
293 (long)vmode
->right_margin
) -
294 (left_margin
+ xres
+ right_margin
);
298 dy
= ((long)vmode
->upper_margin
+ (long)vmode
->yres
+
299 (long)vmode
->lower_margin
) -
300 (upper_margin
+ yres
+ lower_margin
);
308 /* resolution difference */
309 return (vmode
->xres
- xres
) * (vmode
->yres
- yres
);
312 static const struct fb_videomode
*ps3fb_native_vmode(enum ps3av_mode_num id
)
314 return &ps3fb_modedb
[FIRST_NATIVE_MODE_INDEX
+ id
- 1];
317 static const struct fb_videomode
*ps3fb_vmode(int id
)
319 u32 mode
= id
& PS3AV_MODE_MASK
;
321 if (mode
< PS3AV_MODE_480I
|| mode
> PS3AV_MODE_WUXGA
)
324 if (mode
<= PS3AV_MODE_1080P50
&& !(id
& PS3AV_MODE_FULL
)) {
325 /* Non-fullscreen broadcast mode */
326 return &ps3fb_modedb
[mode
- 1];
329 return ps3fb_native_vmode(mode
);
332 static unsigned int ps3fb_find_mode(struct fb_var_screeninfo
*var
,
333 u32
*ddr_line_length
, u32
*xdr_line_length
)
335 unsigned int id
, best_id
;
337 const struct fb_videomode
*vmode
;
342 pr_debug("%s: wanted %u [%u] %u x %u [%u] %u\n", __func__
,
343 var
->left_margin
, var
->xres
, var
->right_margin
,
344 var
->upper_margin
, var
->yres
, var
->lower_margin
);
345 for (id
= PS3AV_MODE_480I
; id
<= PS3AV_MODE_WUXGA
; id
++) {
346 vmode
= ps3fb_native_vmode(id
);
347 diff
= ps3fb_cmp_mode(vmode
, var
);
348 pr_debug("%s: mode %u: %u [%u] %u x %u [%u] %u: diff = %d\n",
349 __func__
, id
, vmode
->left_margin
, vmode
->xres
,
350 vmode
->right_margin
, vmode
->upper_margin
,
351 vmode
->yres
, vmode
->lower_margin
, diff
);
354 if (diff
< best_diff
) {
363 pr_debug("%s: no suitable mode found\n", __func__
);
368 vmode
= ps3fb_native_vmode(id
);
370 *ddr_line_length
= vmode
->xres
* BPP
;
372 /* minimum resolution */
378 /* minimum virtual resolution */
379 if (var
->xres_virtual
< var
->xres
)
380 var
->xres_virtual
= var
->xres
;
381 if (var
->yres_virtual
< var
->yres
)
382 var
->yres_virtual
= var
->yres
;
384 /* minimum margins */
385 if (var
->left_margin
< vmode
->left_margin
)
386 var
->left_margin
= vmode
->left_margin
;
387 if (var
->right_margin
< vmode
->right_margin
)
388 var
->right_margin
= vmode
->right_margin
;
389 if (var
->upper_margin
< vmode
->upper_margin
)
390 var
->upper_margin
= vmode
->upper_margin
;
391 if (var
->lower_margin
< vmode
->lower_margin
)
392 var
->lower_margin
= vmode
->lower_margin
;
395 gap
= ((long)vmode
->left_margin
+ (long)vmode
->xres
+
396 (long)vmode
->right_margin
) -
397 ((long)var
->left_margin
+ (long)var
->xres
+
398 (long)var
->right_margin
);
400 var
->left_margin
+= gap
/2;
401 var
->right_margin
+= (gap
+1)/2;
402 pr_debug("%s: rounded up H to %u [%u] %u\n", __func__
,
403 var
->left_margin
, var
->xres
, var
->right_margin
);
406 gap
= ((long)vmode
->upper_margin
+ (long)vmode
->yres
+
407 (long)vmode
->lower_margin
) -
408 ((long)var
->upper_margin
+ (long)var
->yres
+
409 (long)var
->lower_margin
);
411 var
->upper_margin
+= gap
/2;
412 var
->lower_margin
+= (gap
+1)/2;
413 pr_debug("%s: rounded up V to %u [%u] %u\n", __func__
,
414 var
->upper_margin
, var
->yres
, var
->lower_margin
);
418 var
->pixclock
= vmode
->pixclock
;
419 var
->hsync_len
= vmode
->hsync_len
;
420 var
->vsync_len
= vmode
->vsync_len
;
421 var
->sync
= vmode
->sync
;
423 if (ps3_compare_firmware_version(1, 9, 0) >= 0) {
424 *xdr_line_length
= GPU_ALIGN_UP(var
->xres_virtual
* BPP
);
425 if (*xdr_line_length
> GPU_MAX_LINE_LENGTH
)
426 *xdr_line_length
= GPU_MAX_LINE_LENGTH
;
428 *xdr_line_length
= *ddr_line_length
;
430 if (vmode
->sync
& FB_SYNC_BROADCAST
) {
431 /* Full broadcast modes have the full mode bit set */
432 if (vmode
->xres
== var
->xres
&& vmode
->yres
== var
->yres
)
433 id
|= PS3AV_MODE_FULL
;
436 pr_debug("%s: mode %u\n", __func__
, id
);
440 static void ps3fb_sync_image(struct device
*dev
, u64 frame_offset
,
441 u64 dst_offset
, u64 src_offset
, u32 width
,
442 u32 height
, u32 dst_line_length
,
448 line_length
= dst_line_length
;
449 if (src_line_length
!= dst_line_length
)
450 line_length
|= (u64
)src_line_length
<< 32;
452 src_offset
+= GPU_FB_START
;
454 mutex_lock(&ps3_gpu_mutex
);
455 status
= lv1_gpu_fb_blit(ps3fb
.context_handle
, dst_offset
,
456 GPU_IOIF
+ src_offset
,
457 L1GPU_FB_BLIT_WAIT_FOR_COMPLETION
|
458 (width
<< 16) | height
,
460 mutex_unlock(&ps3_gpu_mutex
);
463 dev_err(dev
, "%s: lv1_gpu_fb_blit failed: %d\n", __func__
,
466 status
= lv1_gpu_display_flip(ps3fb
.context_handle
, 0, frame_offset
);
468 dev_err(dev
, "%s: lv1_gpu_display_flip failed: %d\n", __func__
,
472 status
= lv1_gpu_display_flip(ps3fb
.context_handle
, 1, frame_offset
);
474 dev_err(dev
, "%s: lv1_gpu_display_flip failed: %d\n", __func__
,
479 static int ps3fb_sync(struct fb_info
*info
, u32 frame
)
481 struct ps3fb_par
*par
= info
->par
;
483 u64 ddr_base
, xdr_base
;
485 if (frame
> par
->num_frames
- 1) {
486 dev_dbg(info
->device
, "%s: invalid frame number (%u)\n",
492 xdr_base
= frame
* par
->xdr_frame_size
;
493 ddr_base
= frame
* par
->ddr_frame_size
;
495 ps3fb_sync_image(info
->device
, ddr_base
+ par
->full_offset
,
496 ddr_base
+ par
->fb_offset
, xdr_base
+ par
->pan_offset
,
497 par
->width
, par
->height
, par
->ddr_line_length
,
498 info
->fix
.line_length
);
504 static int ps3fb_open(struct fb_info
*info
, int user
)
506 atomic_inc(&ps3fb
.f_count
);
510 static int ps3fb_release(struct fb_info
*info
, int user
)
512 if (atomic_dec_and_test(&ps3fb
.f_count
)) {
513 if (atomic_read(&ps3fb
.ext_flip
)) {
514 atomic_set(&ps3fb
.ext_flip
, 0);
515 if (console_trylock()) {
516 ps3fb_sync(info
, 0); /* single buffer */
525 * Setting the video mode has been split into two parts.
526 * First part, xxxfb_check_var, must not write anything
527 * to hardware, it should only verify and adjust var.
528 * This means it doesn't alter par but it does use hardware
529 * data from it to check this var.
532 static int ps3fb_check_var(struct fb_var_screeninfo
*var
, struct fb_info
*info
)
534 u32 xdr_line_length
, ddr_line_length
;
537 mode
= ps3fb_find_mode(var
, &ddr_line_length
, &xdr_line_length
);
542 if (var
->xres_virtual
> xdr_line_length
/ BPP
) {
543 dev_dbg(info
->device
,
544 "Horizontal virtual screen size too large\n");
548 if (var
->xoffset
+ var
->xres
> var
->xres_virtual
||
549 var
->yoffset
+ var
->yres
> var
->yres_virtual
) {
550 dev_dbg(info
->device
, "panning out-of-range\n");
554 /* We support ARGB8888 only */
555 if (var
->bits_per_pixel
> 32 || var
->grayscale
||
556 var
->red
.offset
> 16 || var
->green
.offset
> 8 ||
557 var
->blue
.offset
> 0 || var
->transp
.offset
> 24 ||
558 var
->red
.length
> 8 || var
->green
.length
> 8 ||
559 var
->blue
.length
> 8 || var
->transp
.length
> 8 ||
560 var
->red
.msb_right
|| var
->green
.msb_right
||
561 var
->blue
.msb_right
|| var
->transp
.msb_right
|| var
->nonstd
) {
562 dev_dbg(info
->device
, "We support ARGB8888 only\n");
566 var
->bits_per_pixel
= 32;
567 var
->red
.offset
= 16;
568 var
->green
.offset
= 8;
569 var
->blue
.offset
= 0;
570 var
->transp
.offset
= 24;
572 var
->green
.length
= 8;
573 var
->blue
.length
= 8;
574 var
->transp
.length
= 8;
575 var
->red
.msb_right
= 0;
576 var
->green
.msb_right
= 0;
577 var
->blue
.msb_right
= 0;
578 var
->transp
.msb_right
= 0;
580 /* Rotation is not supported */
582 dev_dbg(info
->device
, "Rotation is not supported\n");
587 if (var
->yres_virtual
* xdr_line_length
> info
->fix
.smem_len
) {
588 dev_dbg(info
->device
, "Not enough memory\n");
599 * This routine actually sets the video mode.
602 static int ps3fb_set_par(struct fb_info
*info
)
604 struct ps3fb_par
*par
= info
->par
;
605 unsigned int mode
, ddr_line_length
, xdr_line_length
, lines
, maxlines
;
606 unsigned int ddr_xoff
, ddr_yoff
, offset
;
607 const struct fb_videomode
*vmode
;
610 mode
= ps3fb_find_mode(&info
->var
, &ddr_line_length
, &xdr_line_length
);
614 vmode
= ps3fb_native_vmode(mode
& PS3AV_MODE_MASK
);
616 info
->fix
.xpanstep
= info
->var
.xres_virtual
> info
->var
.xres
? 1 : 0;
617 info
->fix
.ypanstep
= info
->var
.yres_virtual
> info
->var
.yres
? 1 : 0;
618 info
->fix
.line_length
= xdr_line_length
;
620 par
->ddr_line_length
= ddr_line_length
;
621 par
->ddr_frame_size
= vmode
->yres
* ddr_line_length
;
622 par
->xdr_frame_size
= info
->var
.yres_virtual
* xdr_line_length
;
624 par
->num_frames
= info
->fix
.smem_len
/
625 max(par
->ddr_frame_size
, par
->xdr_frame_size
);
627 /* Keep the special bits we cannot set using fb_var_screeninfo */
628 par
->new_mode_id
= (par
->new_mode_id
& ~PS3AV_MODE_MASK
) | mode
;
630 par
->width
= info
->var
.xres
;
631 par
->height
= info
->var
.yres
;
633 /* Start of the virtual frame buffer (relative to fullscreen) */
634 ddr_xoff
= info
->var
.left_margin
- vmode
->left_margin
;
635 ddr_yoff
= info
->var
.upper_margin
- vmode
->upper_margin
;
636 offset
= ddr_yoff
* ddr_line_length
+ ddr_xoff
* BPP
;
638 par
->fb_offset
= GPU_ALIGN_UP(offset
);
639 par
->full_offset
= par
->fb_offset
- offset
;
640 par
->pan_offset
= info
->var
.yoffset
* xdr_line_length
+
641 info
->var
.xoffset
* BPP
;
643 if (par
->new_mode_id
!= par
->mode_id
) {
644 if (ps3av_set_video_mode(par
->new_mode_id
)) {
645 par
->new_mode_id
= par
->mode_id
;
648 par
->mode_id
= par
->new_mode_id
;
651 /* Clear XDR frame buffer memory */
652 memset((void __force
*)info
->screen_base
, 0, info
->fix
.smem_len
);
654 /* Clear DDR frame buffer memory */
655 lines
= vmode
->yres
* par
->num_frames
;
656 if (par
->full_offset
)
658 maxlines
= info
->fix
.smem_len
/ ddr_line_length
;
659 for (dst
= 0; lines
; dst
+= maxlines
* ddr_line_length
) {
660 unsigned int l
= min(lines
, maxlines
);
661 ps3fb_sync_image(info
->device
, 0, dst
, 0, vmode
->xres
, l
,
662 ddr_line_length
, ddr_line_length
);
670 * Set a single color register. The values supplied are already
671 * rounded down to the hardware's capabilities (according to the
672 * entries in the var structure). Return != 0 for invalid regno.
675 static int ps3fb_setcolreg(unsigned int regno
, unsigned int red
,
676 unsigned int green
, unsigned int blue
,
677 unsigned int transp
, struct fb_info
*info
)
687 ((u32
*)info
->pseudo_palette
)[regno
] = transp
<< 24 | red
<< 16 |
692 static int ps3fb_pan_display(struct fb_var_screeninfo
*var
,
693 struct fb_info
*info
)
695 struct ps3fb_par
*par
= info
->par
;
697 par
->pan_offset
= var
->yoffset
* info
->fix
.line_length
+
703 * As we have a virtual frame buffer, we need our own mmap function
706 static int ps3fb_mmap(struct fb_info
*info
, struct vm_area_struct
*vma
)
710 r
= vm_iomap_memory(vma
, info
->fix
.smem_start
, info
->fix
.smem_len
);
712 dev_dbg(info
->device
, "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n",
713 info
->fix
.smem_start
+ (vma
->vm_pgoff
<< PAGE_SHIFT
),
723 static int ps3fb_blank(int blank
, struct fb_info
*info
)
727 dev_dbg(info
->device
, "%s: blank:%d\n", __func__
, blank
);
729 case FB_BLANK_POWERDOWN
:
730 case FB_BLANK_HSYNC_SUSPEND
:
731 case FB_BLANK_VSYNC_SUSPEND
:
732 case FB_BLANK_NORMAL
:
733 retval
= ps3av_video_mute(1); /* mute on */
735 ps3fb
.is_blanked
= 1;
738 default: /* unblank */
739 retval
= ps3av_video_mute(0); /* mute off */
741 ps3fb
.is_blanked
= 0;
747 static int ps3fb_get_vblank(struct fb_vblank
*vblank
)
749 memset(vblank
, 0, sizeof(*vblank
));
750 vblank
->flags
= FB_VBLANK_HAVE_VSYNC
;
754 static int ps3fb_wait_for_vsync(u32 crtc
)
759 count
= ps3fb
.vblank_count
;
760 ret
= wait_event_interruptible_timeout(ps3fb
.wait_vsync
,
761 count
!= ps3fb
.vblank_count
,
774 static int ps3fb_ioctl(struct fb_info
*info
, unsigned int cmd
,
777 void __user
*argp
= (void __user
*)arg
;
779 int retval
= -EFAULT
;
784 struct fb_vblank vblank
;
785 dev_dbg(info
->device
, "FBIOGET_VBLANK:\n");
786 retval
= ps3fb_get_vblank(&vblank
);
790 if (copy_to_user(argp
, &vblank
, sizeof(vblank
)))
795 case FBIO_WAITFORVSYNC
:
798 dev_dbg(info
->device
, "FBIO_WAITFORVSYNC:\n");
799 if (get_user(crt
, (u32 __user
*) arg
))
802 retval
= ps3fb_wait_for_vsync(crt
);
806 case PS3FB_IOCTL_SETMODE
:
808 struct ps3fb_par
*par
= info
->par
;
809 const struct fb_videomode
*vmode
;
810 struct fb_var_screeninfo var
;
812 if (copy_from_user(&val
, argp
, sizeof(val
)))
815 if (!(val
& PS3AV_MODE_MASK
)) {
816 u32 id
= ps3av_get_auto_mode();
818 val
= (val
& ~PS3AV_MODE_MASK
) | id
;
820 dev_dbg(info
->device
, "PS3FB_IOCTL_SETMODE:%x\n", val
);
822 vmode
= ps3fb_vmode(val
);
825 fb_videomode_to_var(&var
, vmode
);
827 info
->flags
|= FBINFO_MISC_USEREVENT
;
828 /* Force, in case only special bits changed */
829 var
.activate
|= FB_ACTIVATE_FORCE
;
830 par
->new_mode_id
= val
;
831 retval
= fb_set_var(info
, &var
);
832 info
->flags
&= ~FBINFO_MISC_USEREVENT
;
838 case PS3FB_IOCTL_GETMODE
:
839 val
= ps3av_get_mode();
840 dev_dbg(info
->device
, "PS3FB_IOCTL_GETMODE:%x\n", val
);
841 if (!copy_to_user(argp
, &val
, sizeof(val
)))
845 case PS3FB_IOCTL_SCREENINFO
:
847 struct ps3fb_par
*par
= info
->par
;
848 struct ps3fb_ioctl_res res
;
849 dev_dbg(info
->device
, "PS3FB_IOCTL_SCREENINFO:\n");
850 res
.xres
= info
->fix
.line_length
/ BPP
;
851 res
.yres
= info
->var
.yres_virtual
;
852 res
.xoff
= (res
.xres
- info
->var
.xres
) / 2;
853 res
.yoff
= (res
.yres
- info
->var
.yres
) / 2;
854 res
.num_frames
= par
->num_frames
;
855 if (!copy_to_user(argp
, &res
, sizeof(res
)))
861 dev_dbg(info
->device
, "PS3FB_IOCTL_ON:\n");
862 atomic_inc(&ps3fb
.ext_flip
);
866 case PS3FB_IOCTL_OFF
:
867 dev_dbg(info
->device
, "PS3FB_IOCTL_OFF:\n");
868 atomic_dec_if_positive(&ps3fb
.ext_flip
);
872 case PS3FB_IOCTL_FSEL
:
873 if (copy_from_user(&val
, argp
, sizeof(val
)))
876 dev_dbg(info
->device
, "PS3FB_IOCTL_FSEL:%d\n", val
);
878 retval
= ps3fb_sync(info
, val
);
883 retval
= -ENOIOCTLCMD
;
889 static int ps3fbd(void *arg
)
891 struct fb_info
*info
= arg
;
894 while (!kthread_should_stop()) {
896 set_current_state(TASK_INTERRUPTIBLE
);
897 if (ps3fb
.is_kicked
) {
900 ps3fb_sync(info
, 0); /* single buffer */
908 static irqreturn_t
ps3fb_vsync_interrupt(int irq
, void *ptr
)
910 struct device
*dev
= ptr
;
913 struct display_head
*head
= &ps3fb
.dinfo
->display_head
[1];
915 status
= lv1_gpu_context_intr(ps3fb
.context_handle
, &v1
);
917 dev_err(dev
, "%s: lv1_gpu_context_intr failed: %d\n", __func__
,
922 if (v1
& (1 << GPU_INTR_STATUS_VSYNC_1
)) {
924 ps3fb
.vblank_count
= head
->vblank_count
;
925 if (ps3fb
.task
&& !ps3fb
.is_blanked
&&
926 !atomic_read(&ps3fb
.ext_flip
)) {
928 wake_up_process(ps3fb
.task
);
930 wake_up_interruptible(&ps3fb
.wait_vsync
);
937 static struct fb_ops ps3fb_ops
= {
938 .fb_open
= ps3fb_open
,
939 .fb_release
= ps3fb_release
,
940 .fb_read
= fb_sys_read
,
941 .fb_write
= fb_sys_write
,
942 .fb_check_var
= ps3fb_check_var
,
943 .fb_set_par
= ps3fb_set_par
,
944 .fb_setcolreg
= ps3fb_setcolreg
,
945 .fb_pan_display
= ps3fb_pan_display
,
946 .fb_fillrect
= sys_fillrect
,
947 .fb_copyarea
= sys_copyarea
,
948 .fb_imageblit
= sys_imageblit
,
949 .fb_mmap
= ps3fb_mmap
,
950 .fb_blank
= ps3fb_blank
,
951 .fb_ioctl
= ps3fb_ioctl
,
952 .fb_compat_ioctl
= ps3fb_ioctl
955 static struct fb_fix_screeninfo ps3fb_fix
= {
957 .type
= FB_TYPE_PACKED_PIXELS
,
958 .visual
= FB_VISUAL_TRUECOLOR
,
959 .accel
= FB_ACCEL_NONE
,
962 static int ps3fb_probe(struct ps3_system_bus_device
*dev
)
964 struct fb_info
*info
;
965 struct ps3fb_par
*par
;
968 u64 lpar_dma_control
= 0;
969 u64 lpar_driver_info
= 0;
970 u64 lpar_reports
= 0;
971 u64 lpar_reports_size
= 0;
973 struct gpu_driver_info
*dinfo
;
976 struct task_struct
*task
;
977 unsigned long max_ps3fb_size
;
979 if (ps3fb_videomemory
.size
< GPU_CMD_BUF_SIZE
) {
980 dev_err(&dev
->core
, "%s: Not enough video memory\n", __func__
);
984 retval
= ps3_open_hv_device(dev
);
986 dev_err(&dev
->core
, "%s: ps3_open_hv_device failed\n",
992 ps3fb_mode
= ps3av_get_mode();
993 dev_dbg(&dev
->core
, "ps3fb_mode: %d\n", ps3fb_mode
);
995 atomic_set(&ps3fb
.f_count
, -1); /* fbcon opens ps3fb */
996 atomic_set(&ps3fb
.ext_flip
, 0); /* for flip with vsync */
997 init_waitqueue_head(&ps3fb
.wait_vsync
);
1000 status
= lv1_gpu_display_sync(0x0, 0, L1GPU_DISPLAY_SYNC_VSYNC
);
1002 dev_err(&dev
->core
, "%s: lv1_gpu_display_sync failed: %d\n",
1005 goto err_close_device
;
1009 status
= lv1_gpu_display_sync(0x0, 1, L1GPU_DISPLAY_SYNC_VSYNC
);
1011 dev_err(&dev
->core
, "%s: lv1_gpu_display_sync failed: %d\n",
1014 goto err_close_device
;
1018 max_ps3fb_size
= _ALIGN_UP(GPU_IOIF
, 256*1024*1024) - GPU_IOIF
;
1019 if (ps3fb_videomemory
.size
> max_ps3fb_size
) {
1020 dev_info(&dev
->core
, "Limiting ps3fb mem size to %lu bytes\n",
1022 ps3fb_videomemory
.size
= max_ps3fb_size
;
1025 /* get gpu context handle */
1026 status
= lv1_gpu_memory_allocate(ps3fb_videomemory
.size
, 0, 0, 0, 0,
1027 &ps3fb
.memory_handle
, &ddr_lpar
);
1029 dev_err(&dev
->core
, "%s: lv1_gpu_memory_allocate failed: %d\n",
1032 goto err_close_device
;
1034 dev_dbg(&dev
->core
, "ddr:lpar:0x%llx\n", ddr_lpar
);
1036 status
= lv1_gpu_context_allocate(ps3fb
.memory_handle
, 0,
1037 &ps3fb
.context_handle
,
1038 &lpar_dma_control
, &lpar_driver_info
,
1039 &lpar_reports
, &lpar_reports_size
);
1042 "%s: lv1_gpu_context_allocate failed: %d\n", __func__
,
1045 goto err_gpu_memory_free
;
1048 /* vsync interrupt */
1049 dinfo
= (void __force
*)ioremap(lpar_driver_info
, 128 * 1024);
1051 dev_err(&dev
->core
, "%s: ioremap failed\n", __func__
);
1053 goto err_gpu_context_free
;
1056 ps3fb
.dinfo
= dinfo
;
1057 dev_dbg(&dev
->core
, "version_driver:%x\n", dinfo
->version_driver
);
1058 dev_dbg(&dev
->core
, "irq outlet:%x\n", dinfo
->irq
.irq_outlet
);
1059 dev_dbg(&dev
->core
, "version_gpu: %x memory_size: %x ch: %x "
1060 "core_freq: %d mem_freq:%d\n", dinfo
->version_gpu
,
1061 dinfo
->memory_size
, dinfo
->hardware_channel
,
1062 dinfo
->nvcore_frequency
/1000000,
1063 dinfo
->memory_frequency
/1000000);
1065 if (dinfo
->version_driver
!= GPU_DRIVER_INFO_VERSION
) {
1066 dev_err(&dev
->core
, "%s: version_driver err:%x\n", __func__
,
1067 dinfo
->version_driver
);
1069 goto err_iounmap_dinfo
;
1072 retval
= ps3_irq_plug_setup(PS3_BINDING_CPU_ANY
, dinfo
->irq
.irq_outlet
,
1075 dev_err(&dev
->core
, "%s: ps3_alloc_irq failed %d\n", __func__
,
1077 goto err_iounmap_dinfo
;
1080 retval
= request_irq(ps3fb
.irq_no
, ps3fb_vsync_interrupt
,
1081 0, DEVICE_NAME
, &dev
->core
);
1083 dev_err(&dev
->core
, "%s: request_irq failed %d\n", __func__
,
1085 goto err_destroy_plug
;
1088 dinfo
->irq
.mask
= (1 << GPU_INTR_STATUS_VSYNC_1
) |
1089 (1 << GPU_INTR_STATUS_FLIP_1
);
1091 /* Clear memory to prevent kernel info leakage into userspace */
1092 memset(ps3fb_videomemory
.address
, 0, ps3fb_videomemory
.size
);
1094 xdr_lpar
= ps3_mm_phys_to_lpar(__pa(ps3fb_videomemory
.address
));
1096 status
= lv1_gpu_context_iomap(ps3fb
.context_handle
, GPU_IOIF
,
1097 xdr_lpar
, ps3fb_videomemory
.size
,
1098 CBE_IOPTE_PP_W
| CBE_IOPTE_PP_R
|
1101 dev_err(&dev
->core
, "%s: lv1_gpu_context_iomap failed: %d\n",
1107 dev_dbg(&dev
->core
, "video:%p ioif:%lx lpar:%llx size:%lx\n",
1108 ps3fb_videomemory
.address
, GPU_IOIF
, xdr_lpar
,
1109 ps3fb_videomemory
.size
);
1111 status
= lv1_gpu_fb_setup(ps3fb
.context_handle
, xdr_lpar
,
1112 GPU_CMD_BUF_SIZE
, GPU_IOIF
);
1114 dev_err(&dev
->core
, "%s: lv1_gpu_fb_setup failed: %d\n",
1117 goto err_context_unmap
;
1120 info
= framebuffer_alloc(sizeof(struct ps3fb_par
), &dev
->core
);
1123 goto err_context_fb_close
;
1127 par
->mode_id
= ~ps3fb_mode
; /* != ps3fb_mode, to trigger change */
1128 par
->new_mode_id
= ps3fb_mode
;
1129 par
->num_frames
= 1;
1131 info
->fbops
= &ps3fb_ops
;
1132 info
->fix
= ps3fb_fix
;
1135 * The GPU command buffer is at the start of video memory
1136 * As we don't use the full command buffer, we can put the actual
1137 * frame buffer at offset GPU_FB_START and save some precious XDR
1140 fb_start
= ps3fb_videomemory
.address
+ GPU_FB_START
;
1141 info
->screen_base
= (char __force __iomem
*)fb_start
;
1142 info
->fix
.smem_start
= __pa(fb_start
);
1143 info
->fix
.smem_len
= ps3fb_videomemory
.size
- GPU_FB_START
;
1145 info
->pseudo_palette
= par
->pseudo_palette
;
1146 info
->flags
= FBINFO_DEFAULT
| FBINFO_READS_FAST
|
1147 FBINFO_HWACCEL_XPAN
| FBINFO_HWACCEL_YPAN
;
1149 retval
= fb_alloc_cmap(&info
->cmap
, 256, 0);
1151 goto err_framebuffer_release
;
1153 if (!fb_find_mode(&info
->var
, info
, mode_option
, ps3fb_modedb
,
1154 ARRAY_SIZE(ps3fb_modedb
),
1155 ps3fb_vmode(par
->new_mode_id
), 32)) {
1157 goto err_fb_dealloc
;
1160 fb_videomode_to_modelist(ps3fb_modedb
, ARRAY_SIZE(ps3fb_modedb
),
1163 retval
= register_framebuffer(info
);
1165 goto err_fb_dealloc
;
1167 ps3_system_bus_set_drvdata(dev
, info
);
1169 dev_info(info
->device
, "%s %s, using %u KiB of video memory\n",
1170 dev_driver_string(info
->dev
), dev_name(info
->dev
),
1171 info
->fix
.smem_len
>> 10);
1173 task
= kthread_run(ps3fbd
, info
, DEVICE_NAME
);
1175 retval
= PTR_ERR(task
);
1176 goto err_unregister_framebuffer
;
1183 err_unregister_framebuffer
:
1184 unregister_framebuffer(info
);
1186 fb_dealloc_cmap(&info
->cmap
);
1187 err_framebuffer_release
:
1188 framebuffer_release(info
);
1189 err_context_fb_close
:
1190 lv1_gpu_fb_close(ps3fb
.context_handle
);
1192 lv1_gpu_context_iomap(ps3fb
.context_handle
, GPU_IOIF
, xdr_lpar
,
1193 ps3fb_videomemory
.size
, CBE_IOPTE_M
);
1195 free_irq(ps3fb
.irq_no
, &dev
->core
);
1197 ps3_irq_plug_destroy(ps3fb
.irq_no
);
1199 iounmap((u8 __force __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
);
1205 ps3_close_hv_device(dev
);
1210 static int ps3fb_shutdown(struct ps3_system_bus_device
*dev
)
1212 struct fb_info
*info
= ps3_system_bus_get_drvdata(dev
);
1213 u64 xdr_lpar
= ps3_mm_phys_to_lpar(__pa(ps3fb_videomemory
.address
));
1215 dev_dbg(&dev
->core
, " -> %s:%d\n", __func__
, __LINE__
);
1217 atomic_inc(&ps3fb
.ext_flip
); /* flip off */
1218 ps3fb
.dinfo
->irq
.mask
= 0;
1221 struct task_struct
*task
= ps3fb
.task
;
1226 free_irq(ps3fb
.irq_no
, &dev
->core
);
1227 ps3_irq_plug_destroy(ps3fb
.irq_no
);
1230 unregister_framebuffer(info
);
1231 fb_dealloc_cmap(&info
->cmap
);
1232 framebuffer_release(info
);
1233 ps3_system_bus_set_drvdata(dev
, NULL
);
1235 iounmap((u8 __force __iomem
*)ps3fb
.dinfo
);
1236 lv1_gpu_fb_close(ps3fb
.context_handle
);
1237 lv1_gpu_context_iomap(ps3fb
.context_handle
, GPU_IOIF
, xdr_lpar
,
1238 ps3fb_videomemory
.size
, CBE_IOPTE_M
);
1239 lv1_gpu_context_free(ps3fb
.context_handle
);
1240 lv1_gpu_memory_free(ps3fb
.memory_handle
);
1241 ps3_close_hv_device(dev
);
1242 dev_dbg(&dev
->core
, " <- %s:%d\n", __func__
, __LINE__
);
1247 static struct ps3_system_bus_driver ps3fb_driver
= {
1248 .match_id
= PS3_MATCH_ID_GPU
,
1249 .match_sub_id
= PS3_MATCH_SUB_ID_GPU_FB
,
1250 .core
.name
= DEVICE_NAME
,
1251 .core
.owner
= THIS_MODULE
,
1252 .probe
= ps3fb_probe
,
1253 .remove
= ps3fb_shutdown
,
1254 .shutdown
= ps3fb_shutdown
,
1257 static int __init
ps3fb_setup(void)
1265 if (fb_get_options(DEVICE_NAME
, &options
))
1268 if (!options
|| !*options
)
1272 char *this_opt
= strsep(&options
, ",");
1278 if (!strncmp(this_opt
, "mode:", 5))
1279 ps3fb_mode
= simple_strtoul(this_opt
+ 5, NULL
, 0);
1281 mode_option
= this_opt
;
1286 static int __init
ps3fb_init(void)
1288 if (!ps3fb_videomemory
.address
|| ps3fb_setup())
1291 return ps3_system_bus_driver_register(&ps3fb_driver
);
1294 static void __exit
ps3fb_exit(void)
1296 pr_debug(" -> %s:%d\n", __func__
, __LINE__
);
1297 ps3_system_bus_driver_unregister(&ps3fb_driver
);
1298 pr_debug(" <- %s:%d\n", __func__
, __LINE__
);
1301 module_init(ps3fb_init
);
1302 module_exit(ps3fb_exit
);
1304 MODULE_LICENSE("GPL");
1305 MODULE_DESCRIPTION("PS3 GPU Frame Buffer Driver");
1306 MODULE_AUTHOR("Sony Computer Entertainment Inc.");
1307 MODULE_ALIAS(PS3_MODULE_ALIAS_GPU_FB
);