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;
138 unsigned int num_frames; /* num of frame buffers */
141 unsigned long full_offset; /* start of fullscreen DDR fb */
142 unsigned long fb_offset; /* start of actual DDR fb */
143 unsigned long pan_offset;
146 struct ps3fb_res_table {
153 #define PS3FB_RES_FULL 1
154 static const struct ps3fb_res_table ps3fb_res[] = {
155 /* res_x,y margin_x,y full */
156 { 720, 480, 72, 48 , 0},
157 { 720, 576, 72, 58 , 0},
158 { 1280, 720, 78, 38 , 0},
159 { 1920, 1080, 116, 58 , 0},
161 { 720, 480, 0, 0 , PS3FB_RES_FULL},
162 { 720, 576, 0, 0 , PS3FB_RES_FULL},
163 { 1280, 720, 0, 0 , PS3FB_RES_FULL},
164 { 1920, 1080, 0, 0 , PS3FB_RES_FULL},
165 /* vesa: normally full mode */
166 { 1280, 768, 0, 0 , 0},
167 { 1280, 1024, 0, 0 , 0},
168 { 1920, 1200, 0, 0 , 0},
171 /* default resolution */
172 #define GPU_RES_INDEX 0 /* 720 x 480 */
174 static const struct fb_videomode ps3fb_modedb[] = {
175 /* 60 Hz broadcast modes (modes "1" to "5") */
178 "480i", 60, 576, 384, 74074, 130, 89, 78, 57, 63, 6,
179 FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
182 "480p", 60, 576, 384, 37037, 130, 89, 78, 57, 63, 6,
183 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
186 "720p", 60, 1124, 644, 13481, 298, 148, 57, 44, 80, 5,
187 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
190 "1080i", 60, 1688, 964, 13481, 264, 160, 94, 62, 88, 5,
191 FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
194 "1080p", 60, 1688, 964, 6741, 264, 160, 94, 62, 88, 5,
195 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
198 /* 50 Hz broadcast modes (modes "6" to "10") */
201 "576i", 50, 576, 460, 74074, 142, 83, 97, 63, 63, 5,
202 FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
205 "576p", 50, 576, 460, 37037, 142, 83, 97, 63, 63, 5,
206 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
209 "720p", 50, 1124, 644, 13468, 298, 478, 57, 44, 80, 5,
210 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
213 "1080i", 50, 1688, 964, 13468, 264, 600, 94, 62, 88, 5,
214 FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
217 "1080p", 50, 1688, 964, 6734, 264, 600, 94, 62, 88, 5,
218 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
221 /* VESA modes (modes "11" to "13") */
224 "wxga", 60, 1280, 768, 12924, 160, 24, 29, 3, 136, 6,
225 0, FB_VMODE_NONINTERLACED,
229 "sxga", 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3,
230 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED,
234 "wuxga", 60, 1920, 1200, 6494, 80, 48, 26, 3, 32, 6,
235 FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED,
239 /* 60 Hz broadcast modes (full resolution versions of modes "1" to "5") */
242 "480if", 60, 720, 480, 74074, 58, 17, 30, 9, 63, 6,
243 FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
246 "480pf", 60, 720, 480, 37037, 58, 17, 30, 9, 63, 6,
247 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
250 "720pf", 60, 1280, 720, 13481, 220, 70, 19, 6, 80, 5,
251 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
254 "1080if", 60, 1920, 1080, 13481, 148, 44, 36, 4, 88, 5,
255 FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
258 "1080pf", 60, 1920, 1080, 6741, 148, 44, 36, 4, 88, 5,
259 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
262 /* 50 Hz broadcast modes (full resolution versions of modes "6" to "10") */
265 "576if", 50, 720, 576, 74074, 70, 11, 39, 5, 63, 5,
266 FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
269 "576pf", 50, 720, 576, 37037, 70, 11, 39, 5, 63, 5,
270 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
273 "720pf", 50, 1280, 720, 13468, 220, 400, 19, 6, 80, 5,
274 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
277 "1080f", 50, 1920, 1080, 13468, 148, 484, 36, 4, 88, 5,
278 FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
281 "1080pf", 50, 1920, 1080, 6734, 148, 484, 36, 4, 88, 5,
282 FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
290 #define X_OFF(i) (ps3fb_res[i].xoff) /* left/right margin (pixel) */
291 #define Y_OFF(i) (ps3fb_res[i].yoff) /* top/bottom margin (pixel) */
292 #define WIDTH(i) (ps3fb_res[i].xres) /* width of FB */
293 #define HEIGHT(i) (ps3fb_res[i].yres) /* height of FB */
294 #define BPP 4 /* number of bytes per pixel */
296 /* Start of the virtual frame buffer (relative to fullscreen ) */
297 #define VP_OFF(i) ((WIDTH(i) * Y_OFF(i) + X_OFF(i)) * BPP)
300 static int ps3fb_mode;
301 module_param(ps3fb_mode, int, 0);
303 static char *mode_option __devinitdata;
305 static int ps3fb_get_res_table(u32 xres, u32 yres, int mode)
311 full_mode = (mode & PS3AV_MODE_FULL) ? PS3FB_RES_FULL : 0;
313 x = ps3fb_res[i].xres;
314 y = ps3fb_res[i].yres;
315 f = ps3fb_res[i].type;
318 pr_debug("ERROR: ps3fb_get_res_table()\n");
322 if (full_mode == PS3FB_RES_FULL && f != PS3FB_RES_FULL)
325 if (x == xres && (yres == 0 || y == yres))
328 x = x - 2 * ps3fb_res[i].xoff;
329 y = y - 2 * ps3fb_res[i].yoff;
330 if (x == xres && (yres == 0 || y == yres))
336 static unsigned int ps3fb_find_mode(const struct fb_var_screeninfo *var,
337 u32 *ddr_line_length, u32 *xdr_line_length)
339 unsigned int i, fi, mode;
341 for (i = 0; i < ARRAY_SIZE(ps3fb_modedb); i++)
342 if (var->xres == ps3fb_modedb[i].xres &&
343 var->yres == ps3fb_modedb[i].yres &&
344 var->pixclock == ps3fb_modedb[i].pixclock &&
345 var->hsync_len == ps3fb_modedb[i].hsync_len &&
346 var->vsync_len == ps3fb_modedb[i].vsync_len &&
347 var->left_margin == ps3fb_modedb[i].left_margin &&
348 var->right_margin == ps3fb_modedb[i].right_margin &&
349 var->upper_margin == ps3fb_modedb[i].upper_margin &&
350 var->lower_margin == ps3fb_modedb[i].lower_margin &&
351 var->sync == ps3fb_modedb[i].sync &&
352 (var->vmode & FB_VMODE_MASK) == ps3fb_modedb[i].vmode)
355 pr_debug("ps3fb_find_mode: mode not found\n");
359 /* Cropped broadcast modes use the full line length */
360 fi = i < PS3AV_MODE_1080P50 ? i + PS3AV_MODE_WUXGA : i;
361 *ddr_line_length = ps3fb_modedb[fi].xres * BPP;
363 if (ps3_compare_firmware_version(1, 9, 0) >= 0) {
364 *xdr_line_length = GPU_ALIGN_UP(max(var->xres,
365 var->xres_virtual) * BPP);
366 if (*xdr_line_length > GPU_MAX_LINE_LENGTH)
367 *xdr_line_length = GPU_MAX_LINE_LENGTH;
369 *xdr_line_length = *ddr_line_length;
371 /* Full broadcast modes have the full mode bit set */
373 if (mode > PS3AV_MODE_WUXGA)
374 mode = (mode - PS3AV_MODE_WUXGA) | PS3AV_MODE_FULL;
376 pr_debug("ps3fb_find_mode: mode %u\n", mode);
381 static const struct fb_videomode *ps3fb_default_mode(int id)
383 u32 mode = id & PS3AV_MODE_MASK;
386 if (mode < PS3AV_MODE_480I || mode > PS3AV_MODE_WUXGA)
389 flags = id & ~PS3AV_MODE_MASK;
391 if (mode <= PS3AV_MODE_1080P50 && flags & PS3AV_MODE_FULL) {
392 /* Full broadcast mode */
393 return &ps3fb_modedb[mode + PS3AV_MODE_WUXGA - 1];
396 return &ps3fb_modedb[mode - 1];
399 static void ps3fb_sync_image(struct device *dev, u64 frame_offset,
400 u64 dst_offset, u64 src_offset, u32 width,
401 u32 height, u32 dst_line_length,
407 line_length = dst_line_length;
408 if (src_line_length != dst_line_length)
409 line_length |= (u64)src_line_length << 32;
411 src_offset += GPU_FB_START;
412 status = lv1_gpu_context_attribute(ps3fb.context_handle,
413 L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT,
414 dst_offset, GPU_IOIF + src_offset,
415 L1GPU_FB_BLIT_WAIT_FOR_COMPLETION |
416 (width << 16) | height,
420 "%s: lv1_gpu_context_attribute FB_BLIT failed: %d\n",
423 status = lv1_gpu_context_attribute(ps3fb.context_handle,
424 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
425 0, frame_offset, 0, 0);
427 dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
431 status = lv1_gpu_context_attribute(ps3fb.context_handle,
432 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
433 1, frame_offset, 0, 0);
435 dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
440 static int ps3fb_sync(struct fb_info *info, u32 frame)
442 struct ps3fb_par *par = info->par;
444 u32 ddr_line_length, xdr_line_length;
445 u64 ddr_base, xdr_base;
447 if (frame > par->num_frames - 1) {
448 dev_dbg(info->device, "%s: invalid frame number (%u)\n",
455 xdr_line_length = info->fix.line_length;
456 ddr_line_length = ps3fb_res[i].xres * BPP;
457 xdr_base = frame * info->var.yres_virtual * xdr_line_length;
458 ddr_base = frame * ps3fb_res[i].yres * ddr_line_length;
460 ps3fb_sync_image(info->device, ddr_base + par->full_offset,
461 ddr_base + par->fb_offset, xdr_base + par->pan_offset,
462 par->width, par->height, ddr_line_length,
469 static int ps3fb_open(struct fb_info *info, int user)
471 atomic_inc(&ps3fb.f_count);
475 static int ps3fb_release(struct fb_info *info, int user)
477 if (atomic_dec_and_test(&ps3fb.f_count)) {
478 if (atomic_read(&ps3fb.ext_flip)) {
479 atomic_set(&ps3fb.ext_flip, 0);
480 if (!try_acquire_console_sem()) {
481 ps3fb_sync(info, 0); /* single buffer */
482 release_console_sem();
490 * Setting the video mode has been split into two parts.
491 * First part, xxxfb_check_var, must not write anything
492 * to hardware, it should only verify and adjust var.
493 * This means it doesn't alter par but it does use hardware
494 * data from it to check this var.
497 static int ps3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
499 u32 xdr_line_length, ddr_line_length;
502 dev_dbg(info->device, "var->xres:%u info->var.xres:%u\n", var->xres,
504 dev_dbg(info->device, "var->yres:%u info->var.yres:%u\n", var->yres,
507 /* FIXME For now we do exact matches only */
508 mode = ps3fb_find_mode(var, &ddr_line_length, &xdr_line_length);
513 if (var->xres_virtual < var->xres)
514 var->xres_virtual = var->xres;
515 if (var->yres_virtual < var->yres)
516 var->yres_virtual = var->yres;
518 if (var->xres_virtual > xdr_line_length / BPP) {
519 dev_dbg(info->device,
520 "Horizontal virtual screen size too large\n");
524 if (var->xoffset + var->xres > var->xres_virtual ||
525 var->yoffset + var->yres > var->yres_virtual) {
526 dev_dbg(info->device, "panning out-of-range\n");
530 /* We support ARGB8888 only */
531 if (var->bits_per_pixel > 32 || var->grayscale ||
532 var->red.offset > 16 || var->green.offset > 8 ||
533 var->blue.offset > 0 || var->transp.offset > 24 ||
534 var->red.length > 8 || var->green.length > 8 ||
535 var->blue.length > 8 || var->transp.length > 8 ||
536 var->red.msb_right || var->green.msb_right ||
537 var->blue.msb_right || var->transp.msb_right || var->nonstd) {
538 dev_dbg(info->device, "We support ARGB8888 only\n");
542 var->bits_per_pixel = 32;
543 var->red.offset = 16;
544 var->green.offset = 8;
545 var->blue.offset = 0;
546 var->transp.offset = 24;
548 var->green.length = 8;
549 var->blue.length = 8;
550 var->transp.length = 8;
551 var->red.msb_right = 0;
552 var->green.msb_right = 0;
553 var->blue.msb_right = 0;
554 var->transp.msb_right = 0;
556 /* Rotation is not supported */
558 dev_dbg(info->device, "Rotation is not supported\n");
563 if (var->yres_virtual * xdr_line_length > ps3fb.xdr_size) {
564 dev_dbg(info->device, "Not enough memory\n");
575 * This routine actually sets the video mode.
578 static int ps3fb_set_par(struct fb_info *info)
580 struct ps3fb_par *par = info->par;
581 unsigned int mode, ddr_line_length, xdr_line_length, lines, maxlines;
583 unsigned long offset;
586 dev_dbg(info->device, "xres:%d xv:%d yres:%d yv:%d clock:%d\n",
587 info->var.xres, info->var.xres_virtual,
588 info->var.yres, info->var.yres_virtual, info->var.pixclock);
590 mode = ps3fb_find_mode(&info->var, &ddr_line_length, &xdr_line_length);
594 i = ps3fb_get_res_table(info->var.xres, info->var.yres, mode);
597 info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea);
598 info->fix.smem_len = ps3fb.xdr_size;
599 info->fix.xpanstep = info->var.xres_virtual > info->var.xres ? 1 : 0;
600 info->fix.ypanstep = info->var.yres_virtual > info->var.yres ? 1 : 0;
601 info->fix.line_length = xdr_line_length;
603 info->screen_base = (char __iomem *)ps3fb.xdr_ea;
605 par->num_frames = ps3fb.xdr_size /
606 max(ps3fb_res[i].yres * ddr_line_length,
607 info->var.yres_virtual * xdr_line_length);
609 /* Keep the special bits we cannot set using fb_var_screeninfo */
610 par->new_mode_id = (par->new_mode_id & ~PS3AV_MODE_MASK) | mode;
612 par->width = info->var.xres;
613 par->height = info->var.yres;
615 par->fb_offset = GPU_ALIGN_UP(offset);
616 par->full_offset = par->fb_offset - offset;
617 par->pan_offset = info->var.yoffset * xdr_line_length +
618 info->var.xoffset * BPP;
620 if (par->new_mode_id != par->mode_id) {
621 if (ps3av_set_video_mode(par->new_mode_id)) {
622 par->new_mode_id = par->mode_id;
625 par->mode_id = par->new_mode_id;
628 /* Clear XDR frame buffer memory */
629 memset(ps3fb.xdr_ea, 0, ps3fb.xdr_size);
631 /* Clear DDR frame buffer memory */
632 lines = ps3fb_res[i].yres * par->num_frames;
633 if (par->full_offset)
635 maxlines = ps3fb.xdr_size / ddr_line_length;
636 for (dst = 0; lines; dst += maxlines * ddr_line_length) {
637 unsigned int l = min(lines, maxlines);
638 ps3fb_sync_image(info->device, 0, dst, 0, ps3fb_res[i].xres, l,
639 ddr_line_length, ddr_line_length);
647 * Set a single color register. The values supplied are already
648 * rounded down to the hardware's capabilities (according to the
649 * entries in the var structure). Return != 0 for invalid regno.
652 static int ps3fb_setcolreg(unsigned int regno, unsigned int red,
653 unsigned int green, unsigned int blue,
654 unsigned int transp, struct fb_info *info)
664 ((u32 *)info->pseudo_palette)[regno] = transp << 24 | red << 16 |
669 static int ps3fb_pan_display(struct fb_var_screeninfo *var,
670 struct fb_info *info)
672 struct ps3fb_par *par = info->par;
674 par->pan_offset = var->yoffset * info->fix.line_length +
680 * As we have a virtual frame buffer, we need our own mmap function
683 static int ps3fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
685 unsigned long size, offset;
687 size = vma->vm_end - vma->vm_start;
688 offset = vma->vm_pgoff << PAGE_SHIFT;
689 if (offset + size > info->fix.smem_len)
692 offset += info->fix.smem_start;
693 if (remap_pfn_range(vma, vma->vm_start, offset >> PAGE_SHIFT,
694 size, vma->vm_page_prot))
697 dev_dbg(info->device, "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n",
698 offset, vma->vm_start);
706 static int ps3fb_blank(int blank, struct fb_info *info)
710 dev_dbg(info->device, "%s: blank:%d\n", __func__, blank);
712 case FB_BLANK_POWERDOWN:
713 case FB_BLANK_HSYNC_SUSPEND:
714 case FB_BLANK_VSYNC_SUSPEND:
715 case FB_BLANK_NORMAL:
716 retval = ps3av_video_mute(1); /* mute on */
718 ps3fb.is_blanked = 1;
721 default: /* unblank */
722 retval = ps3av_video_mute(0); /* mute off */
724 ps3fb.is_blanked = 0;
730 static int ps3fb_get_vblank(struct fb_vblank *vblank)
732 memset(vblank, 0, sizeof(*vblank));
733 vblank->flags = FB_VBLANK_HAVE_VSYNC;
737 static int ps3fb_wait_for_vsync(u32 crtc)
742 count = ps3fb.vblank_count;
743 ret = wait_event_interruptible_timeout(ps3fb.wait_vsync,
744 count != ps3fb.vblank_count,
752 static void ps3fb_flip_ctl(int on, void *data)
754 struct ps3fb_priv *priv = data;
756 atomic_dec_if_positive(&priv->ext_flip);
758 atomic_inc(&priv->ext_flip);
766 static int ps3fb_ioctl(struct fb_info *info, unsigned int cmd,
769 void __user *argp = (void __user *)arg;
771 int retval = -EFAULT;
776 struct fb_vblank vblank;
777 dev_dbg(info->device, "FBIOGET_VBLANK:\n");
778 retval = ps3fb_get_vblank(&vblank);
782 if (copy_to_user(argp, &vblank, sizeof(vblank)))
787 case FBIO_WAITFORVSYNC:
790 dev_dbg(info->device, "FBIO_WAITFORVSYNC:\n");
791 if (get_user(crt, (u32 __user *) arg))
794 retval = ps3fb_wait_for_vsync(crt);
798 case PS3FB_IOCTL_SETMODE:
800 struct ps3fb_par *par = info->par;
801 const struct fb_videomode *mode;
802 struct fb_var_screeninfo var;
804 if (copy_from_user(&val, argp, sizeof(val)))
807 if (!(val & PS3AV_MODE_MASK)) {
808 u32 id = ps3av_get_auto_mode();
810 val = (val & ~PS3AV_MODE_MASK) | id;
812 dev_dbg(info->device, "PS3FB_IOCTL_SETMODE:%x\n", val);
814 mode = ps3fb_default_mode(val);
817 fb_videomode_to_var(&var, mode);
818 acquire_console_sem();
819 info->flags |= FBINFO_MISC_USEREVENT;
820 /* Force, in case only special bits changed */
821 var.activate |= FB_ACTIVATE_FORCE;
822 par->new_mode_id = val;
823 retval = fb_set_var(info, &var);
824 info->flags &= ~FBINFO_MISC_USEREVENT;
825 release_console_sem();
830 case PS3FB_IOCTL_GETMODE:
831 val = ps3av_get_mode();
832 dev_dbg(info->device, "PS3FB_IOCTL_GETMODE:%x\n", val);
833 if (!copy_to_user(argp, &val, sizeof(val)))
837 case PS3FB_IOCTL_SCREENINFO:
839 struct ps3fb_par *par = info->par;
840 struct ps3fb_ioctl_res res;
841 dev_dbg(info->device, "PS3FB_IOCTL_SCREENINFO:\n");
842 res.xres = info->fix.line_length / BPP;
843 res.yres = info->var.yres_virtual;
844 res.xoff = (res.xres - info->var.xres) / 2;
845 res.yoff = (res.yres - info->var.yres) / 2;
846 res.num_frames = par->num_frames;
847 if (!copy_to_user(argp, &res, sizeof(res)))
853 dev_dbg(info->device, "PS3FB_IOCTL_ON:\n");
854 atomic_inc(&ps3fb.ext_flip);
858 case PS3FB_IOCTL_OFF:
859 dev_dbg(info->device, "PS3FB_IOCTL_OFF:\n");
860 atomic_dec_if_positive(&ps3fb.ext_flip);
864 case PS3FB_IOCTL_FSEL:
865 if (copy_from_user(&val, argp, sizeof(val)))
868 dev_dbg(info->device, "PS3FB_IOCTL_FSEL:%d\n", val);
869 acquire_console_sem();
870 retval = ps3fb_sync(info, val);
871 release_console_sem();
875 retval = -ENOIOCTLCMD;
881 static int ps3fbd(void *arg)
883 struct fb_info *info = arg;
886 while (!kthread_should_stop()) {
888 set_current_state(TASK_INTERRUPTIBLE);
889 if (ps3fb.is_kicked) {
891 acquire_console_sem();
892 ps3fb_sync(info, 0); /* single buffer */
893 release_console_sem();
900 static irqreturn_t ps3fb_vsync_interrupt(int irq, void *ptr)
902 struct device *dev = ptr;
905 struct display_head *head = &ps3fb.dinfo->display_head[1];
907 status = lv1_gpu_context_intr(ps3fb.context_handle, &v1);
909 dev_err(dev, "%s: lv1_gpu_context_intr failed: %d\n", __func__,
914 if (v1 & (1 << GPU_INTR_STATUS_VSYNC_1)) {
916 ps3fb.vblank_count = head->vblank_count;
917 if (ps3fb.task && !ps3fb.is_blanked &&
918 !atomic_read(&ps3fb.ext_flip)) {
920 wake_up_process(ps3fb.task);
922 wake_up_interruptible(&ps3fb.wait_vsync);
929 static int ps3fb_vsync_settings(struct gpu_driver_info *dinfo,
934 dev_dbg(dev, "version_driver:%x\n", dinfo->version_driver);
935 dev_dbg(dev, "irq outlet:%x\n", dinfo->irq.irq_outlet);
937 "version_gpu: %x memory_size: %x ch: %x core_freq: %d "
939 dinfo->version_gpu, dinfo->memory_size, dinfo->hardware_channel,
940 dinfo->nvcore_frequency/1000000, dinfo->memory_frequency/1000000);
942 if (dinfo->version_driver != GPU_DRIVER_INFO_VERSION) {
943 dev_err(dev, "%s: version_driver err:%x\n", __func__,
944 dinfo->version_driver);
948 error = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet,
951 dev_err(dev, "%s: ps3_alloc_irq failed %d\n", __func__, error);
955 error = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt, IRQF_DISABLED,
958 dev_err(dev, "%s: request_irq failed %d\n", __func__, error);
959 ps3_irq_plug_destroy(ps3fb.irq_no);
963 dinfo->irq.mask = (1 << GPU_INTR_STATUS_VSYNC_1) |
964 (1 << GPU_INTR_STATUS_FLIP_1);
968 static int ps3fb_xdr_settings(u64 xdr_lpar, struct device *dev)
972 status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF,
973 xdr_lpar, ps3fb_videomemory.size, 0);
975 dev_err(dev, "%s: lv1_gpu_context_iomap failed: %d\n",
980 "video:%p xdr_ea:%p ioif:%lx lpar:%lx phys:%lx size:%lx\n",
981 ps3fb_videomemory.address, ps3fb.xdr_ea, GPU_IOIF, xdr_lpar,
982 virt_to_abs(ps3fb.xdr_ea), ps3fb_videomemory.size);
984 status = lv1_gpu_context_attribute(ps3fb.context_handle,
985 L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP,
986 xdr_lpar, GPU_CMD_BUF_SIZE,
990 "%s: lv1_gpu_context_attribute FB_SETUP failed: %d\n",
997 static struct fb_ops ps3fb_ops = {
998 .fb_open = ps3fb_open,
999 .fb_release = ps3fb_release,
1000 .fb_read = fb_sys_read,
1001 .fb_write = fb_sys_write,
1002 .fb_check_var = ps3fb_check_var,
1003 .fb_set_par = ps3fb_set_par,
1004 .fb_setcolreg = ps3fb_setcolreg,
1005 .fb_pan_display = ps3fb_pan_display,
1006 .fb_fillrect = sys_fillrect,
1007 .fb_copyarea = sys_copyarea,
1008 .fb_imageblit = sys_imageblit,
1009 .fb_mmap = ps3fb_mmap,
1010 .fb_blank = ps3fb_blank,
1011 .fb_ioctl = ps3fb_ioctl,
1012 .fb_compat_ioctl = ps3fb_ioctl
1015 static struct fb_fix_screeninfo ps3fb_fix __initdata = {
1017 .type = FB_TYPE_PACKED_PIXELS,
1018 .visual = FB_VISUAL_TRUECOLOR,
1019 .accel = FB_ACCEL_NONE,
1022 static int ps3fb_set_sync(struct device *dev)
1027 status = lv1_gpu_context_attribute(0x0,
1028 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
1029 0, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
1032 "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
1039 status = lv1_gpu_context_attribute(0x0,
1040 L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
1041 1, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
1045 "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
1054 static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev)
1056 struct fb_info *info;
1057 struct ps3fb_par *par;
1058 int retval = -ENOMEM;
1061 u64 lpar_dma_control = 0;
1062 u64 lpar_driver_info = 0;
1063 u64 lpar_reports = 0;
1064 u64 lpar_reports_size = 0;
1066 int status, res_index;
1067 struct task_struct *task;
1068 unsigned long max_ps3fb_size;
1070 if (ps3fb_videomemory.size < GPU_CMD_BUF_SIZE) {
1071 dev_err(&dev->core, "%s: Not enough video memory\n", __func__);
1075 status = ps3_open_hv_device(dev);
1077 dev_err(&dev->core, "%s: ps3_open_hv_device failed\n",
1083 ps3fb_mode = ps3av_get_mode();
1084 dev_dbg(&dev->core, "ps3fb_mode: %d\n", ps3fb_mode);
1086 if (ps3fb_mode > 0 &&
1087 !ps3av_video_mode2res(ps3fb_mode, &xres, &yres)) {
1088 res_index = ps3fb_get_res_table(xres, yres, ps3fb_mode);
1089 dev_dbg(&dev->core, "res_index:%d\n", res_index);
1091 res_index = GPU_RES_INDEX;
1093 atomic_set(&ps3fb.f_count, -1); /* fbcon opens ps3fb */
1094 atomic_set(&ps3fb.ext_flip, 0); /* for flip with vsync */
1095 init_waitqueue_head(&ps3fb.wait_vsync);
1097 ps3fb_set_sync(&dev->core);
1099 max_ps3fb_size = _ALIGN_UP(GPU_IOIF, 256*1024*1024) - GPU_IOIF;
1100 if (ps3fb_videomemory.size > max_ps3fb_size) {
1101 dev_info(&dev->core, "Limiting ps3fb mem size to %lu bytes\n",
1103 ps3fb_videomemory.size = max_ps3fb_size;
1106 /* get gpu context handle */
1107 status = lv1_gpu_memory_allocate(ps3fb_videomemory.size, 0, 0, 0, 0,
1108 &ps3fb.memory_handle, &ddr_lpar);
1110 dev_err(&dev->core, "%s: lv1_gpu_memory_allocate failed: %d\n",
1114 dev_dbg(&dev->core, "ddr:lpar:0x%lx\n", ddr_lpar);
1116 status = lv1_gpu_context_allocate(ps3fb.memory_handle, 0,
1117 &ps3fb.context_handle,
1118 &lpar_dma_control, &lpar_driver_info,
1119 &lpar_reports, &lpar_reports_size);
1122 "%s: lv1_gpu_context_attribute failed: %d\n", __func__,
1124 goto err_gpu_memory_free;
1127 /* vsync interrupt */
1128 ps3fb.dinfo = ioremap(lpar_driver_info, 128 * 1024);
1130 dev_err(&dev->core, "%s: ioremap failed\n", __func__);
1131 goto err_gpu_context_free;
1134 retval = ps3fb_vsync_settings(ps3fb.dinfo, &dev->core);
1136 goto err_iounmap_dinfo;
1138 /* XDR frame buffer */
1139 ps3fb.xdr_ea = ps3fb_videomemory.address;
1140 xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb.xdr_ea));
1142 /* Clear memory to prevent kernel info leakage into userspace */
1143 memset(ps3fb.xdr_ea, 0, ps3fb_videomemory.size);
1146 * The GPU command buffer is at the start of video memory
1147 * As we don't use the full command buffer, we can put the actual
1148 * frame buffer at offset GPU_FB_START and save some precious XDR
1151 ps3fb.xdr_ea += GPU_FB_START;
1152 ps3fb.xdr_size = ps3fb_videomemory.size - GPU_FB_START;
1154 retval = ps3fb_xdr_settings(xdr_lpar, &dev->core);
1158 info = framebuffer_alloc(sizeof(struct ps3fb_par), &dev->core);
1163 par->mode_id = ~ps3fb_mode; /* != ps3fb_mode, to trigger change */
1164 par->new_mode_id = ps3fb_mode;
1165 par->res_index = res_index;
1166 par->num_frames = 1;
1168 info->screen_base = (char __iomem *)ps3fb.xdr_ea;
1169 info->fbops = &ps3fb_ops;
1171 info->fix = ps3fb_fix;
1172 info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea);
1173 info->fix.smem_len = ps3fb.xdr_size;
1174 info->pseudo_palette = par->pseudo_palette;
1175 info->flags = FBINFO_DEFAULT | FBINFO_READS_FAST |
1176 FBINFO_HWACCEL_XPAN | FBINFO_HWACCEL_YPAN;
1178 retval = fb_alloc_cmap(&info->cmap, 256, 0);
1180 goto err_framebuffer_release;
1182 if (!fb_find_mode(&info->var, info, mode_option, ps3fb_modedb,
1183 ARRAY_SIZE(ps3fb_modedb),
1184 ps3fb_default_mode(par->new_mode_id), 32)) {
1186 goto err_fb_dealloc;
1189 fb_videomode_to_modelist(ps3fb_modedb, ARRAY_SIZE(ps3fb_modedb),
1192 retval = register_framebuffer(info);
1194 goto err_fb_dealloc;
1196 dev->core.driver_data = info;
1198 dev_info(info->device, "%s %s, using %lu KiB of video memory\n",
1199 dev_driver_string(info->dev), info->dev->bus_id,
1200 ps3fb.xdr_size >> 10);
1202 task = kthread_run(ps3fbd, info, DEVICE_NAME);
1204 retval = PTR_ERR(task);
1205 goto err_unregister_framebuffer;
1209 ps3av_register_flip_ctl(ps3fb_flip_ctl, &ps3fb);
1213 err_unregister_framebuffer:
1214 unregister_framebuffer(info);
1216 fb_dealloc_cmap(&info->cmap);
1217 err_framebuffer_release:
1218 framebuffer_release(info);
1220 free_irq(ps3fb.irq_no, &dev->core);
1221 ps3_irq_plug_destroy(ps3fb.irq_no);
1223 iounmap((u8 __iomem *)ps3fb.dinfo);
1224 err_gpu_context_free:
1225 lv1_gpu_context_free(ps3fb.context_handle);
1226 err_gpu_memory_free:
1227 lv1_gpu_memory_free(ps3fb.memory_handle);
1232 static int ps3fb_shutdown(struct ps3_system_bus_device *dev)
1235 struct fb_info *info = dev->core.driver_data;
1237 dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
1239 ps3fb_flip_ctl(0, &ps3fb); /* flip off */
1240 ps3fb.dinfo->irq.mask = 0;
1242 ps3av_register_flip_ctl(NULL, NULL);
1244 struct task_struct *task = ps3fb.task;
1249 free_irq(ps3fb.irq_no, &dev->core);
1250 ps3_irq_plug_destroy(ps3fb.irq_no);
1253 unregister_framebuffer(info);
1254 fb_dealloc_cmap(&info->cmap);
1255 framebuffer_release(info);
1256 info = dev->core.driver_data = NULL;
1258 iounmap((u8 __iomem *)ps3fb.dinfo);
1260 status = lv1_gpu_context_free(ps3fb.context_handle);
1262 dev_dbg(&dev->core, "lv1_gpu_context_free failed: %d\n",
1265 status = lv1_gpu_memory_free(ps3fb.memory_handle);
1267 dev_dbg(&dev->core, "lv1_gpu_memory_free failed: %d\n",
1270 ps3_close_hv_device(dev);
1271 dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
1276 static struct ps3_system_bus_driver ps3fb_driver = {
1277 .match_id = PS3_MATCH_ID_GRAPHICS,
1278 .core.name = DEVICE_NAME,
1279 .core.owner = THIS_MODULE,
1280 .probe = ps3fb_probe,
1281 .remove = ps3fb_shutdown,
1282 .shutdown = ps3fb_shutdown,
1285 static int __init ps3fb_setup(void)
1293 if (fb_get_options(DEVICE_NAME, &options))
1296 if (!options || !*options)
1300 char *this_opt = strsep(&options, ",");
1306 if (!strncmp(this_opt, "mode:", 5))
1307 ps3fb_mode = simple_strtoul(this_opt + 5, NULL, 0);
1309 mode_option = this_opt;
1314 static int __init ps3fb_init(void)
1316 if (!ps3fb_videomemory.address || ps3fb_setup())
1319 return ps3_system_bus_driver_register(&ps3fb_driver);
1322 static void __exit ps3fb_exit(void)
1324 pr_debug(" -> %s:%d\n", __func__, __LINE__);
1325 ps3_system_bus_driver_unregister(&ps3fb_driver);
1326 pr_debug(" <- %s:%d\n", __func__, __LINE__);
1329 module_init(ps3fb_init);
1330 module_exit(ps3fb_exit);
1332 MODULE_LICENSE("GPL");
1333 MODULE_DESCRIPTION("PS3 GPU Frame Buffer Driver");
1334 MODULE_AUTHOR("Sony Computer Entertainment Inc.");
1335 MODULE_ALIAS(PS3_MODULE_ALIAS_GRAPHICS);