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 GPU_INTR_STATUS_VSYNC_0 0 /* vsync on head A */
61 #define GPU_INTR_STATUS_VSYNC_1 1 /* vsync on head B */
62 #define GPU_INTR_STATUS_FLIP_0 3 /* flip head A */
63 #define GPU_INTR_STATUS_FLIP_1 4 /* flip head B */
64 #define GPU_INTR_STATUS_QUEUE_0 5 /* queue head A */
65 #define GPU_INTR_STATUS_QUEUE_1 6 /* queue head B */
67 #define GPU_DRIVER_INFO_VERSION 0x211
101 struct gpu_driver_info {
105 u32 hardware_channel;
107 u32 nvcore_frequency;
108 u32 memory_frequency;
111 struct display_head display_head[8];
118 u64 context_handle, memory_handle;
121 struct gpu_driver_info *dinfo;
123 u64 vblank_count; /* frame count */
124 wait_queue_head_t wait_vsync;
126 atomic_t ext_flip; /* on/off flip with vsync */
127 atomic_t f_count; /* fb_open count */
130 struct task_struct *task;
132 static struct ps3fb_priv ps3fb;
135 u32 pseudo_palette[16];
136 int mode_id, new_mode_id;
137 unsigned int num_frames; /* num of frame buffers */
140 unsigned int ddr_line_length;
141 unsigned int ddr_frame_size;
142 unsigned int xdr_frame_size;
143 unsigned int full_offset; /* start of fullscreen DDR fb */
144 unsigned int fb_offset; /* start of actual DDR fb */
145 unsigned int pan_offset;
149 #define FIRST_NATIVE_MODE_INDEX 10
151 static const struct fb_videomode ps3fb_modedb[] = {
152 /* 60 Hz broadcast modes (modes "1" to "5") */
155 "480i", 60, 576, 384, 74074, 130, 89, 78, 57, 63, 6,
156 FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
159 "480p", 60, 576, 384, 37037, 130, 89, 78, 57, 63, 6,
160 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
163 "720p", 60, 1124, 644, 13481, 298, 148, 57, 44, 80, 5,
164 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
167 "1080i", 60, 1688, 964, 13481, 264, 160, 94, 62, 88, 5,
168 FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
171 "1080p", 60, 1688, 964, 6741, 264, 160, 94, 62, 88, 5,
172 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
175 /* 50 Hz broadcast modes (modes "6" to "10") */
178 "576i", 50, 576, 460, 74074, 142, 83, 97, 63, 63, 5,
179 FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
182 "576p", 50, 576, 460, 37037, 142, 83, 97, 63, 63, 5,
183 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
186 "720p", 50, 1124, 644, 13468, 298, 478, 57, 44, 80, 5,
187 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
190 "1080i", 50, 1688, 964, 13468, 264, 600, 94, 62, 88, 5,
191 FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
194 "1080p", 50, 1688, 964, 6734, 264, 600, 94, 62, 88, 5,
195 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
198 [FIRST_NATIVE_MODE_INDEX] =
199 /* 60 Hz broadcast modes (full resolution versions of modes "1" to "5") */
202 "480if", 60, 720, 480, 74074, 58, 17, 30, 9, 63, 6,
203 FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
206 "480pf", 60, 720, 480, 37037, 58, 17, 30, 9, 63, 6,
207 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
210 "720pf", 60, 1280, 720, 13481, 220, 70, 19, 6, 80, 5,
211 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
214 "1080if", 60, 1920, 1080, 13481, 148, 44, 36, 4, 88, 5,
215 FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
218 "1080pf", 60, 1920, 1080, 6741, 148, 44, 36, 4, 88, 5,
219 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
222 /* 50 Hz broadcast modes (full resolution versions of modes "6" to "10") */
225 "576if", 50, 720, 576, 74074, 70, 11, 39, 5, 63, 5,
226 FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
229 "576pf", 50, 720, 576, 37037, 70, 11, 39, 5, 63, 5,
230 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
233 "720pf", 50, 1280, 720, 13468, 220, 400, 19, 6, 80, 5,
234 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
237 "1080f", 50, 1920, 1080, 13468, 148, 484, 36, 4, 88, 5,
238 FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
241 "1080pf", 50, 1920, 1080, 6734, 148, 484, 36, 4, 88, 5,
242 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
245 /* VESA modes (modes "11" to "13") */
248 "wxga", 60, 1280, 768, 12924, 160, 24, 29, 3, 136, 6,
249 0, FB_VMODE_NONINTERLACED,
253 "sxga", 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3,
254 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED,
258 "wuxga", 60, 1920, 1200, 6494, 80, 48, 26, 3, 32, 6,
259 FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED,
268 #define BPP 4 /* number of bytes per pixel */
271 static int ps3fb_mode;
272 module_param(ps3fb_mode, int, 0);
274 static char *mode_option __devinitdata;
276 static int ps3fb_cmp_mode(const struct fb_videomode *vmode,
277 const struct fb_var_screeninfo *var)
279 /* resolution + black border must match a native resolution */
280 if (vmode->left_margin + vmode->xres + vmode->right_margin !=
281 var->left_margin + var->xres + var->right_margin ||
282 vmode->upper_margin + vmode->yres + vmode->lower_margin !=
283 var->upper_margin + var->yres + var->lower_margin)
286 /* minimum limits for margins */
287 if (vmode->left_margin > var->left_margin ||
288 vmode->right_margin > var->right_margin ||
289 vmode->upper_margin > var->upper_margin ||
290 vmode->lower_margin > var->lower_margin)
293 /* these fields must match exactly */
294 if (vmode->pixclock != var->pixclock ||
295 vmode->hsync_len != var->hsync_len ||
296 vmode->vsync_len != var->vsync_len ||
297 vmode->sync != var->sync ||
298 vmode->vmode != (var->vmode & FB_VMODE_MASK))
304 static const struct fb_videomode *ps3fb_native_vmode(enum ps3av_mode_num id)
306 return &ps3fb_modedb[FIRST_NATIVE_MODE_INDEX + id - 1];
309 static const struct fb_videomode *ps3fb_vmode(int id)
311 u32 mode = id & PS3AV_MODE_MASK;
313 if (mode < PS3AV_MODE_480I || mode > PS3AV_MODE_WUXGA)
316 if (mode <= PS3AV_MODE_1080P50 && !(id & PS3AV_MODE_FULL)) {
317 /* Non-fullscreen broadcast mode */
318 return &ps3fb_modedb[mode - 1];
321 return ps3fb_native_vmode(mode);
324 static unsigned int ps3fb_find_mode(struct fb_var_screeninfo *var,
325 u32 *ddr_line_length, u32 *xdr_line_length)
328 const struct fb_videomode *vmode;
330 for (id = PS3AV_MODE_480I; id <= PS3AV_MODE_WUXGA; id++) {
331 vmode = ps3fb_native_vmode(id);
332 if (!ps3fb_cmp_mode(vmode, var))
336 pr_debug("%s: mode not found\n", __func__);
340 *ddr_line_length = vmode->xres * BPP;
351 if (ps3_compare_firmware_version(1, 9, 0) >= 0) {
352 *xdr_line_length = GPU_ALIGN_UP(max(var->xres,
353 var->xres_virtual) * BPP);
354 if (*xdr_line_length > GPU_MAX_LINE_LENGTH)
355 *xdr_line_length = GPU_MAX_LINE_LENGTH;
357 *xdr_line_length = *ddr_line_length;
359 if (vmode->sync & FB_SYNC_BROADCAST) {
360 /* Full broadcast modes have the full mode bit set */
361 if (vmode->xres == var->xres && vmode->yres == var->yres)
362 id |= PS3AV_MODE_FULL;
365 pr_debug("%s: mode %u\n", __func__, id);
369 static void ps3fb_sync_image(struct device *dev, u64 frame_offset,
370 u64 dst_offset, u64 src_offset, u32 width,
371 u32 height, u32 dst_line_length,
377 line_length = dst_line_length;
378 if (src_line_length != dst_line_length)
379 line_length |= (u64)src_line_length << 32;
381 src_offset += GPU_FB_START;
382 status = lv1_gpu_context_attribute(ps3fb.context_handle,
383 L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT,
384 dst_offset, GPU_IOIF + src_offset,
385 L1GPU_FB_BLIT_WAIT_FOR_COMPLETION |
386 (width << 16) | height,
390 "%s: lv1_gpu_context_attribute FB_BLIT failed: %d\n",
393 status = lv1_gpu_context_attribute(ps3fb.context_handle,
394 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
395 0, frame_offset, 0, 0);
397 dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
401 status = lv1_gpu_context_attribute(ps3fb.context_handle,
402 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
403 1, frame_offset, 0, 0);
405 dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
410 static int ps3fb_sync(struct fb_info *info, u32 frame)
412 struct ps3fb_par *par = info->par;
414 u64 ddr_base, xdr_base;
416 if (frame > par->num_frames - 1) {
417 dev_dbg(info->device, "%s: invalid frame number (%u)\n",
423 xdr_base = frame * par->xdr_frame_size;
424 ddr_base = frame * par->ddr_frame_size;
426 ps3fb_sync_image(info->device, ddr_base + par->full_offset,
427 ddr_base + par->fb_offset, xdr_base + par->pan_offset,
428 par->width, par->height, par->ddr_line_length,
429 info->fix.line_length);
435 static int ps3fb_open(struct fb_info *info, int user)
437 atomic_inc(&ps3fb.f_count);
441 static int ps3fb_release(struct fb_info *info, int user)
443 if (atomic_dec_and_test(&ps3fb.f_count)) {
444 if (atomic_read(&ps3fb.ext_flip)) {
445 atomic_set(&ps3fb.ext_flip, 0);
446 if (!try_acquire_console_sem()) {
447 ps3fb_sync(info, 0); /* single buffer */
448 release_console_sem();
456 * Setting the video mode has been split into two parts.
457 * First part, xxxfb_check_var, must not write anything
458 * to hardware, it should only verify and adjust var.
459 * This means it doesn't alter par but it does use hardware
460 * data from it to check this var.
463 static int ps3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
465 u32 xdr_line_length, ddr_line_length;
468 dev_dbg(info->device, "var->xres:%u info->var.xres:%u\n", var->xres,
470 dev_dbg(info->device, "var->yres:%u info->var.yres:%u\n", var->yres,
473 /* FIXME For now we do exact matches only */
474 mode = ps3fb_find_mode(var, &ddr_line_length, &xdr_line_length);
479 if (var->xres_virtual < var->xres)
480 var->xres_virtual = var->xres;
481 if (var->yres_virtual < var->yres)
482 var->yres_virtual = var->yres;
484 if (var->xres_virtual > xdr_line_length / BPP) {
485 dev_dbg(info->device,
486 "Horizontal virtual screen size too large\n");
490 if (var->xoffset + var->xres > var->xres_virtual ||
491 var->yoffset + var->yres > var->yres_virtual) {
492 dev_dbg(info->device, "panning out-of-range\n");
496 /* We support ARGB8888 only */
497 if (var->bits_per_pixel > 32 || var->grayscale ||
498 var->red.offset > 16 || var->green.offset > 8 ||
499 var->blue.offset > 0 || var->transp.offset > 24 ||
500 var->red.length > 8 || var->green.length > 8 ||
501 var->blue.length > 8 || var->transp.length > 8 ||
502 var->red.msb_right || var->green.msb_right ||
503 var->blue.msb_right || var->transp.msb_right || var->nonstd) {
504 dev_dbg(info->device, "We support ARGB8888 only\n");
508 var->bits_per_pixel = 32;
509 var->red.offset = 16;
510 var->green.offset = 8;
511 var->blue.offset = 0;
512 var->transp.offset = 24;
514 var->green.length = 8;
515 var->blue.length = 8;
516 var->transp.length = 8;
517 var->red.msb_right = 0;
518 var->green.msb_right = 0;
519 var->blue.msb_right = 0;
520 var->transp.msb_right = 0;
522 /* Rotation is not supported */
524 dev_dbg(info->device, "Rotation is not supported\n");
529 if (var->yres_virtual * xdr_line_length > ps3fb.xdr_size) {
530 dev_dbg(info->device, "Not enough memory\n");
541 * This routine actually sets the video mode.
544 static int ps3fb_set_par(struct fb_info *info)
546 struct ps3fb_par *par = info->par;
547 unsigned int mode, ddr_line_length, xdr_line_length, lines, maxlines;
548 unsigned int ddr_xoff, ddr_yoff, offset;
549 const struct fb_videomode *vmode;
552 dev_dbg(info->device, "xres:%d xv:%d yres:%d yv:%d clock:%d\n",
553 info->var.xres, info->var.xres_virtual,
554 info->var.yres, info->var.yres_virtual, info->var.pixclock);
556 mode = ps3fb_find_mode(&info->var, &ddr_line_length, &xdr_line_length);
560 vmode = ps3fb_native_vmode(mode & PS3AV_MODE_MASK);
562 info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea);
563 info->fix.smem_len = ps3fb.xdr_size;
564 info->fix.xpanstep = info->var.xres_virtual > info->var.xres ? 1 : 0;
565 info->fix.ypanstep = info->var.yres_virtual > info->var.yres ? 1 : 0;
566 info->fix.line_length = xdr_line_length;
568 info->screen_base = (char __iomem *)ps3fb.xdr_ea;
570 par->ddr_line_length = ddr_line_length;
571 par->ddr_frame_size = vmode->yres * ddr_line_length;
572 par->xdr_frame_size = info->var.yres_virtual * xdr_line_length;
574 par->num_frames = ps3fb.xdr_size /
575 max(par->ddr_frame_size, par->xdr_frame_size);
577 /* Keep the special bits we cannot set using fb_var_screeninfo */
578 par->new_mode_id = (par->new_mode_id & ~PS3AV_MODE_MASK) | mode;
580 par->width = info->var.xres;
581 par->height = info->var.yres;
583 /* Start of the virtual frame buffer (relative to fullscreen) */
584 ddr_xoff = info->var.left_margin - vmode->left_margin;
585 ddr_yoff = info->var.upper_margin - vmode->upper_margin;
586 offset = ddr_yoff * ddr_line_length + ddr_xoff * BPP;
588 par->fb_offset = GPU_ALIGN_UP(offset);
589 par->full_offset = par->fb_offset - offset;
590 par->pan_offset = info->var.yoffset * xdr_line_length +
591 info->var.xoffset * BPP;
593 if (par->new_mode_id != par->mode_id) {
594 if (ps3av_set_video_mode(par->new_mode_id)) {
595 par->new_mode_id = par->mode_id;
598 par->mode_id = par->new_mode_id;
601 /* Clear XDR frame buffer memory */
602 memset(ps3fb.xdr_ea, 0, ps3fb.xdr_size);
604 /* Clear DDR frame buffer memory */
605 lines = vmode->yres * par->num_frames;
606 if (par->full_offset)
608 maxlines = ps3fb.xdr_size / ddr_line_length;
609 for (dst = 0; lines; dst += maxlines * ddr_line_length) {
610 unsigned int l = min(lines, maxlines);
611 ps3fb_sync_image(info->device, 0, dst, 0, vmode->xres, l,
612 ddr_line_length, ddr_line_length);
620 * Set a single color register. The values supplied are already
621 * rounded down to the hardware's capabilities (according to the
622 * entries in the var structure). Return != 0 for invalid regno.
625 static int ps3fb_setcolreg(unsigned int regno, unsigned int red,
626 unsigned int green, unsigned int blue,
627 unsigned int transp, struct fb_info *info)
637 ((u32 *)info->pseudo_palette)[regno] = transp << 24 | red << 16 |
642 static int ps3fb_pan_display(struct fb_var_screeninfo *var,
643 struct fb_info *info)
645 struct ps3fb_par *par = info->par;
647 par->pan_offset = var->yoffset * info->fix.line_length +
653 * As we have a virtual frame buffer, we need our own mmap function
656 static int ps3fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
658 unsigned long size, offset;
660 size = vma->vm_end - vma->vm_start;
661 offset = vma->vm_pgoff << PAGE_SHIFT;
662 if (offset + size > info->fix.smem_len)
665 offset += info->fix.smem_start;
666 if (remap_pfn_range(vma, vma->vm_start, offset >> PAGE_SHIFT,
667 size, vma->vm_page_prot))
670 dev_dbg(info->device, "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n",
671 offset, vma->vm_start);
679 static int ps3fb_blank(int blank, struct fb_info *info)
683 dev_dbg(info->device, "%s: blank:%d\n", __func__, blank);
685 case FB_BLANK_POWERDOWN:
686 case FB_BLANK_HSYNC_SUSPEND:
687 case FB_BLANK_VSYNC_SUSPEND:
688 case FB_BLANK_NORMAL:
689 retval = ps3av_video_mute(1); /* mute on */
691 ps3fb.is_blanked = 1;
694 default: /* unblank */
695 retval = ps3av_video_mute(0); /* mute off */
697 ps3fb.is_blanked = 0;
703 static int ps3fb_get_vblank(struct fb_vblank *vblank)
705 memset(vblank, 0, sizeof(*vblank));
706 vblank->flags = FB_VBLANK_HAVE_VSYNC;
710 static int ps3fb_wait_for_vsync(u32 crtc)
715 count = ps3fb.vblank_count;
716 ret = wait_event_interruptible_timeout(ps3fb.wait_vsync,
717 count != ps3fb.vblank_count,
725 static void ps3fb_flip_ctl(int on, void *data)
727 struct ps3fb_priv *priv = data;
729 atomic_dec_if_positive(&priv->ext_flip);
731 atomic_inc(&priv->ext_flip);
739 static int ps3fb_ioctl(struct fb_info *info, unsigned int cmd,
742 void __user *argp = (void __user *)arg;
744 int retval = -EFAULT;
749 struct fb_vblank vblank;
750 dev_dbg(info->device, "FBIOGET_VBLANK:\n");
751 retval = ps3fb_get_vblank(&vblank);
755 if (copy_to_user(argp, &vblank, sizeof(vblank)))
760 case FBIO_WAITFORVSYNC:
763 dev_dbg(info->device, "FBIO_WAITFORVSYNC:\n");
764 if (get_user(crt, (u32 __user *) arg))
767 retval = ps3fb_wait_for_vsync(crt);
771 case PS3FB_IOCTL_SETMODE:
773 struct ps3fb_par *par = info->par;
774 const struct fb_videomode *vmode;
775 struct fb_var_screeninfo var;
777 if (copy_from_user(&val, argp, sizeof(val)))
780 if (!(val & PS3AV_MODE_MASK)) {
781 u32 id = ps3av_get_auto_mode();
783 val = (val & ~PS3AV_MODE_MASK) | id;
785 dev_dbg(info->device, "PS3FB_IOCTL_SETMODE:%x\n", val);
787 vmode = ps3fb_vmode(val);
790 fb_videomode_to_var(&var, vmode);
791 acquire_console_sem();
792 info->flags |= FBINFO_MISC_USEREVENT;
793 /* Force, in case only special bits changed */
794 var.activate |= FB_ACTIVATE_FORCE;
795 par->new_mode_id = val;
796 retval = fb_set_var(info, &var);
797 info->flags &= ~FBINFO_MISC_USEREVENT;
798 release_console_sem();
803 case PS3FB_IOCTL_GETMODE:
804 val = ps3av_get_mode();
805 dev_dbg(info->device, "PS3FB_IOCTL_GETMODE:%x\n", val);
806 if (!copy_to_user(argp, &val, sizeof(val)))
810 case PS3FB_IOCTL_SCREENINFO:
812 struct ps3fb_par *par = info->par;
813 struct ps3fb_ioctl_res res;
814 dev_dbg(info->device, "PS3FB_IOCTL_SCREENINFO:\n");
815 res.xres = info->fix.line_length / BPP;
816 res.yres = info->var.yres_virtual;
817 res.xoff = (res.xres - info->var.xres) / 2;
818 res.yoff = (res.yres - info->var.yres) / 2;
819 res.num_frames = par->num_frames;
820 if (!copy_to_user(argp, &res, sizeof(res)))
826 dev_dbg(info->device, "PS3FB_IOCTL_ON:\n");
827 atomic_inc(&ps3fb.ext_flip);
831 case PS3FB_IOCTL_OFF:
832 dev_dbg(info->device, "PS3FB_IOCTL_OFF:\n");
833 atomic_dec_if_positive(&ps3fb.ext_flip);
837 case PS3FB_IOCTL_FSEL:
838 if (copy_from_user(&val, argp, sizeof(val)))
841 dev_dbg(info->device, "PS3FB_IOCTL_FSEL:%d\n", val);
842 acquire_console_sem();
843 retval = ps3fb_sync(info, val);
844 release_console_sem();
848 retval = -ENOIOCTLCMD;
854 static int ps3fbd(void *arg)
856 struct fb_info *info = arg;
859 while (!kthread_should_stop()) {
861 set_current_state(TASK_INTERRUPTIBLE);
862 if (ps3fb.is_kicked) {
864 acquire_console_sem();
865 ps3fb_sync(info, 0); /* single buffer */
866 release_console_sem();
873 static irqreturn_t ps3fb_vsync_interrupt(int irq, void *ptr)
875 struct device *dev = ptr;
878 struct display_head *head = &ps3fb.dinfo->display_head[1];
880 status = lv1_gpu_context_intr(ps3fb.context_handle, &v1);
882 dev_err(dev, "%s: lv1_gpu_context_intr failed: %d\n", __func__,
887 if (v1 & (1 << GPU_INTR_STATUS_VSYNC_1)) {
889 ps3fb.vblank_count = head->vblank_count;
890 if (ps3fb.task && !ps3fb.is_blanked &&
891 !atomic_read(&ps3fb.ext_flip)) {
893 wake_up_process(ps3fb.task);
895 wake_up_interruptible(&ps3fb.wait_vsync);
902 static int ps3fb_vsync_settings(struct gpu_driver_info *dinfo,
907 dev_dbg(dev, "version_driver:%x\n", dinfo->version_driver);
908 dev_dbg(dev, "irq outlet:%x\n", dinfo->irq.irq_outlet);
910 "version_gpu: %x memory_size: %x ch: %x core_freq: %d "
912 dinfo->version_gpu, dinfo->memory_size, dinfo->hardware_channel,
913 dinfo->nvcore_frequency/1000000, dinfo->memory_frequency/1000000);
915 if (dinfo->version_driver != GPU_DRIVER_INFO_VERSION) {
916 dev_err(dev, "%s: version_driver err:%x\n", __func__,
917 dinfo->version_driver);
921 error = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet,
924 dev_err(dev, "%s: ps3_alloc_irq failed %d\n", __func__, error);
928 error = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt, IRQF_DISABLED,
931 dev_err(dev, "%s: request_irq failed %d\n", __func__, error);
932 ps3_irq_plug_destroy(ps3fb.irq_no);
936 dinfo->irq.mask = (1 << GPU_INTR_STATUS_VSYNC_1) |
937 (1 << GPU_INTR_STATUS_FLIP_1);
941 static int ps3fb_xdr_settings(u64 xdr_lpar, struct device *dev)
945 status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF,
946 xdr_lpar, ps3fb_videomemory.size, 0);
948 dev_err(dev, "%s: lv1_gpu_context_iomap failed: %d\n",
953 "video:%p xdr_ea:%p ioif:%lx lpar:%lx phys:%lx size:%lx\n",
954 ps3fb_videomemory.address, ps3fb.xdr_ea, GPU_IOIF, xdr_lpar,
955 virt_to_abs(ps3fb.xdr_ea), ps3fb_videomemory.size);
957 status = lv1_gpu_context_attribute(ps3fb.context_handle,
958 L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP,
959 xdr_lpar, GPU_CMD_BUF_SIZE,
963 "%s: lv1_gpu_context_attribute FB_SETUP failed: %d\n",
970 static struct fb_ops ps3fb_ops = {
971 .fb_open = ps3fb_open,
972 .fb_release = ps3fb_release,
973 .fb_read = fb_sys_read,
974 .fb_write = fb_sys_write,
975 .fb_check_var = ps3fb_check_var,
976 .fb_set_par = ps3fb_set_par,
977 .fb_setcolreg = ps3fb_setcolreg,
978 .fb_pan_display = ps3fb_pan_display,
979 .fb_fillrect = sys_fillrect,
980 .fb_copyarea = sys_copyarea,
981 .fb_imageblit = sys_imageblit,
982 .fb_mmap = ps3fb_mmap,
983 .fb_blank = ps3fb_blank,
984 .fb_ioctl = ps3fb_ioctl,
985 .fb_compat_ioctl = ps3fb_ioctl
988 static struct fb_fix_screeninfo ps3fb_fix __initdata = {
990 .type = FB_TYPE_PACKED_PIXELS,
991 .visual = FB_VISUAL_TRUECOLOR,
992 .accel = FB_ACCEL_NONE,
995 static int ps3fb_set_sync(struct device *dev)
1000 status = lv1_gpu_context_attribute(0x0,
1001 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
1002 0, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
1005 "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
1012 status = lv1_gpu_context_attribute(0x0,
1013 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
1014 1, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
1018 "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
1027 static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev)
1029 struct fb_info *info;
1030 struct ps3fb_par *par;
1031 int retval = -ENOMEM;
1033 u64 lpar_dma_control = 0;
1034 u64 lpar_driver_info = 0;
1035 u64 lpar_reports = 0;
1036 u64 lpar_reports_size = 0;
1039 struct task_struct *task;
1040 unsigned long max_ps3fb_size;
1042 if (ps3fb_videomemory.size < GPU_CMD_BUF_SIZE) {
1043 dev_err(&dev->core, "%s: Not enough video memory\n", __func__);
1047 status = ps3_open_hv_device(dev);
1049 dev_err(&dev->core, "%s: ps3_open_hv_device failed\n",
1055 ps3fb_mode = ps3av_get_mode();
1056 dev_dbg(&dev->core, "ps3fb_mode: %d\n", ps3fb_mode);
1058 atomic_set(&ps3fb.f_count, -1); /* fbcon opens ps3fb */
1059 atomic_set(&ps3fb.ext_flip, 0); /* for flip with vsync */
1060 init_waitqueue_head(&ps3fb.wait_vsync);
1062 ps3fb_set_sync(&dev->core);
1064 max_ps3fb_size = _ALIGN_UP(GPU_IOIF, 256*1024*1024) - GPU_IOIF;
1065 if (ps3fb_videomemory.size > max_ps3fb_size) {
1066 dev_info(&dev->core, "Limiting ps3fb mem size to %lu bytes\n",
1068 ps3fb_videomemory.size = max_ps3fb_size;
1071 /* get gpu context handle */
1072 status = lv1_gpu_memory_allocate(ps3fb_videomemory.size, 0, 0, 0, 0,
1073 &ps3fb.memory_handle, &ddr_lpar);
1075 dev_err(&dev->core, "%s: lv1_gpu_memory_allocate failed: %d\n",
1079 dev_dbg(&dev->core, "ddr:lpar:0x%lx\n", ddr_lpar);
1081 status = lv1_gpu_context_allocate(ps3fb.memory_handle, 0,
1082 &ps3fb.context_handle,
1083 &lpar_dma_control, &lpar_driver_info,
1084 &lpar_reports, &lpar_reports_size);
1087 "%s: lv1_gpu_context_attribute failed: %d\n", __func__,
1089 goto err_gpu_memory_free;
1092 /* vsync interrupt */
1093 ps3fb.dinfo = ioremap(lpar_driver_info, 128 * 1024);
1095 dev_err(&dev->core, "%s: ioremap failed\n", __func__);
1096 goto err_gpu_context_free;
1099 retval = ps3fb_vsync_settings(ps3fb.dinfo, &dev->core);
1101 goto err_iounmap_dinfo;
1103 /* XDR frame buffer */
1104 ps3fb.xdr_ea = ps3fb_videomemory.address;
1105 xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb.xdr_ea));
1107 /* Clear memory to prevent kernel info leakage into userspace */
1108 memset(ps3fb.xdr_ea, 0, ps3fb_videomemory.size);
1111 * The GPU command buffer is at the start of video memory
1112 * As we don't use the full command buffer, we can put the actual
1113 * frame buffer at offset GPU_FB_START and save some precious XDR
1116 ps3fb.xdr_ea += GPU_FB_START;
1117 ps3fb.xdr_size = ps3fb_videomemory.size - GPU_FB_START;
1119 retval = ps3fb_xdr_settings(xdr_lpar, &dev->core);
1123 info = framebuffer_alloc(sizeof(struct ps3fb_par), &dev->core);
1128 par->mode_id = ~ps3fb_mode; /* != ps3fb_mode, to trigger change */
1129 par->new_mode_id = ps3fb_mode;
1130 par->num_frames = 1;
1132 info->screen_base = (char __iomem *)ps3fb.xdr_ea;
1133 info->fbops = &ps3fb_ops;
1135 info->fix = ps3fb_fix;
1136 info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea);
1137 info->fix.smem_len = ps3fb.xdr_size;
1138 info->pseudo_palette = par->pseudo_palette;
1139 info->flags = FBINFO_DEFAULT | FBINFO_READS_FAST |
1140 FBINFO_HWACCEL_XPAN | FBINFO_HWACCEL_YPAN;
1142 retval = fb_alloc_cmap(&info->cmap, 256, 0);
1144 goto err_framebuffer_release;
1146 if (!fb_find_mode(&info->var, info, mode_option, ps3fb_modedb,
1147 ARRAY_SIZE(ps3fb_modedb),
1148 ps3fb_vmode(par->new_mode_id), 32)) {
1150 goto err_fb_dealloc;
1153 fb_videomode_to_modelist(ps3fb_modedb, ARRAY_SIZE(ps3fb_modedb),
1156 retval = register_framebuffer(info);
1158 goto err_fb_dealloc;
1160 dev->core.driver_data = info;
1162 dev_info(info->device, "%s %s, using %lu KiB of video memory\n",
1163 dev_driver_string(info->dev), info->dev->bus_id,
1164 ps3fb.xdr_size >> 10);
1166 task = kthread_run(ps3fbd, info, DEVICE_NAME);
1168 retval = PTR_ERR(task);
1169 goto err_unregister_framebuffer;
1173 ps3av_register_flip_ctl(ps3fb_flip_ctl, &ps3fb);
1177 err_unregister_framebuffer:
1178 unregister_framebuffer(info);
1180 fb_dealloc_cmap(&info->cmap);
1181 err_framebuffer_release:
1182 framebuffer_release(info);
1184 free_irq(ps3fb.irq_no, &dev->core);
1185 ps3_irq_plug_destroy(ps3fb.irq_no);
1187 iounmap((u8 __iomem *)ps3fb.dinfo);
1188 err_gpu_context_free:
1189 lv1_gpu_context_free(ps3fb.context_handle);
1190 err_gpu_memory_free:
1191 lv1_gpu_memory_free(ps3fb.memory_handle);
1196 static int ps3fb_shutdown(struct ps3_system_bus_device *dev)
1199 struct fb_info *info = dev->core.driver_data;
1201 dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
1203 ps3fb_flip_ctl(0, &ps3fb); /* flip off */
1204 ps3fb.dinfo->irq.mask = 0;
1206 ps3av_register_flip_ctl(NULL, NULL);
1208 struct task_struct *task = ps3fb.task;
1213 free_irq(ps3fb.irq_no, &dev->core);
1214 ps3_irq_plug_destroy(ps3fb.irq_no);
1217 unregister_framebuffer(info);
1218 fb_dealloc_cmap(&info->cmap);
1219 framebuffer_release(info);
1220 info = dev->core.driver_data = NULL;
1222 iounmap((u8 __iomem *)ps3fb.dinfo);
1224 status = lv1_gpu_context_free(ps3fb.context_handle);
1226 dev_dbg(&dev->core, "lv1_gpu_context_free failed: %d\n",
1229 status = lv1_gpu_memory_free(ps3fb.memory_handle);
1231 dev_dbg(&dev->core, "lv1_gpu_memory_free failed: %d\n",
1234 ps3_close_hv_device(dev);
1235 dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
1240 static struct ps3_system_bus_driver ps3fb_driver = {
1241 .match_id = PS3_MATCH_ID_GRAPHICS,
1242 .core.name = DEVICE_NAME,
1243 .core.owner = THIS_MODULE,
1244 .probe = ps3fb_probe,
1245 .remove = ps3fb_shutdown,
1246 .shutdown = ps3fb_shutdown,
1249 static int __init ps3fb_setup(void)
1257 if (fb_get_options(DEVICE_NAME, &options))
1260 if (!options || !*options)
1264 char *this_opt = strsep(&options, ",");
1270 if (!strncmp(this_opt, "mode:", 5))
1271 ps3fb_mode = simple_strtoul(this_opt + 5, NULL, 0);
1273 mode_option = this_opt;
1278 static int __init ps3fb_init(void)
1280 if (!ps3fb_videomemory.address || ps3fb_setup())
1283 return ps3_system_bus_driver_register(&ps3fb_driver);
1286 static void __exit ps3fb_exit(void)
1288 pr_debug(" -> %s:%d\n", __func__, __LINE__);
1289 ps3_system_bus_driver_unregister(&ps3fb_driver);
1290 pr_debug(" <- %s:%d\n", __func__, __LINE__);
1293 module_init(ps3fb_init);
1294 module_exit(ps3fb_exit);
1296 MODULE_LICENSE("GPL");
1297 MODULE_DESCRIPTION("PS3 GPU Frame Buffer Driver");
1298 MODULE_AUTHOR("Sony Computer Entertainment Inc.");
1299 MODULE_ALIAS(PS3_MODULE_ALIAS_GRAPHICS);