[deliverable/linux.git] / drivers / gpu / drm / nouveau / nouveau_fbcon.c

/*
 * Copyright © 2007 David Airlie
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 *
 * Authors:
 *     David Airlie
 */

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/tty.h>
#include <linux/sysrq.h>
#include <linux/delay.h>
#include <linux/fb.h>
#include <linux/init.h>
#include <linux/screen_info.h>
#include <linux/vga_switcheroo.h>
#include <linux/console.h>

#include <drm/drmP.h>
#include <drm/drm_crtc.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_fb_helper.h>

#include "nouveau_drm.h"
#include "nouveau_gem.h"
#include "nouveau_bo.h"
#include "nouveau_fbcon.h"
#include "nouveau_chan.h"

#include "nouveau_crtc.h"

#include <core/client.h>
#include <core/device.h>

MODULE_PARM_DESC(nofbaccel, "Disable fbcon acceleration");
static int nouveau_nofbaccel = 0;
module_param_named(nofbaccel, nouveau_nofbaccel, int, 0400);

static void
nouveau_fbcon_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
{
	struct nouveau_fbdev *fbcon = info->par;
	struct nouveau_drm *drm = nouveau_drm(fbcon->dev);
	struct nvif_device *device = &drm->device;
	int ret;

	if (info->state != FBINFO_STATE_RUNNING)
		return;

	ret = -ENODEV;
	if (!in_interrupt() && !(info->flags & FBINFO_HWACCEL_DISABLED) &&
	    mutex_trylock(&drm->client.mutex)) {
		if (device->info.family < NV_DEVICE_INFO_V0_TESLA)
			ret = nv04_fbcon_fillrect(info, rect);
		else
		if (device->info.family < NV_DEVICE_INFO_V0_FERMI)
			ret = nv50_fbcon_fillrect(info, rect);
		else
			ret = nvc0_fbcon_fillrect(info, rect);
		mutex_unlock(&drm->client.mutex);
	}

	if (ret == 0)
		return;

	if (ret != -ENODEV)
		nouveau_fbcon_gpu_lockup(info);
	cfb_fillrect(info, rect);
}

static void
nouveau_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *image)
{
	struct nouveau_fbdev *fbcon = info->par;
	struct nouveau_drm *drm = nouveau_drm(fbcon->dev);
	struct nvif_device *device = &drm->device;
	int ret;

	if (info->state != FBINFO_STATE_RUNNING)
		return;

	ret = -ENODEV;
	if (!in_interrupt() && !(info->flags & FBINFO_HWACCEL_DISABLED) &&
	    mutex_trylock(&drm->client.mutex)) {
		if (device->info.family < NV_DEVICE_INFO_V0_TESLA)
			ret = nv04_fbcon_copyarea(info, image);
		else
		if (device->info.family < NV_DEVICE_INFO_V0_FERMI)
			ret = nv50_fbcon_copyarea(info, image);
		else
			ret = nvc0_fbcon_copyarea(info, image);
		mutex_unlock(&drm->client.mutex);
	}

	if (ret == 0)
		return;

	if (ret != -ENODEV)
		nouveau_fbcon_gpu_lockup(info);
	cfb_copyarea(info, image);
}

static void
nouveau_fbcon_imageblit(struct fb_info *info, const struct fb_image *image)
{
	struct nouveau_fbdev *fbcon = info->par;
	struct nouveau_drm *drm = nouveau_drm(fbcon->dev);
	struct nvif_device *device = &drm->device;
	int ret;

	if (info->state != FBINFO_STATE_RUNNING)
		return;

	ret = -ENODEV;
	if (!in_interrupt() && !(info->flags & FBINFO_HWACCEL_DISABLED) &&
	    mutex_trylock(&drm->client.mutex)) {
		if (device->info.family < NV_DEVICE_INFO_V0_TESLA)
			ret = nv04_fbcon_imageblit(info, image);
		else
		if (device->info.family < NV_DEVICE_INFO_V0_FERMI)
			ret = nv50_fbcon_imageblit(info, image);
		else
			ret = nvc0_fbcon_imageblit(info, image);
		mutex_unlock(&drm->client.mutex);
	}

	if (ret == 0)
		return;

	if (ret != -ENODEV)
		nouveau_fbcon_gpu_lockup(info);
	cfb_imageblit(info, image);
}

static int
nouveau_fbcon_sync(struct fb_info *info)
{
	struct nouveau_fbdev *fbcon = info->par;
	struct nouveau_drm *drm = nouveau_drm(fbcon->dev);
	struct nouveau_channel *chan = drm->channel;
	int ret;

	if (!chan || !chan->accel_done || in_interrupt() ||
	    info->state != FBINFO_STATE_RUNNING ||
	    info->flags & FBINFO_HWACCEL_DISABLED)
		return 0;

	if (!mutex_trylock(&drm->client.mutex))
		return 0;

	ret = nouveau_channel_idle(chan);
	mutex_unlock(&drm->client.mutex);
	if (ret) {
		nouveau_fbcon_gpu_lockup(info);
		return 0;
	}

	chan->accel_done = false;
	return 0;
}

static struct fb_ops nouveau_fbcon_ops = {
	.owner = THIS_MODULE,
	.fb_check_var = drm_fb_helper_check_var,
	.fb_set_par = drm_fb_helper_set_par,
	.fb_fillrect = nouveau_fbcon_fillrect,
	.fb_copyarea = nouveau_fbcon_copyarea,
	.fb_imageblit = nouveau_fbcon_imageblit,
	.fb_sync = nouveau_fbcon_sync,
	.fb_pan_display = drm_fb_helper_pan_display,
	.fb_blank = drm_fb_helper_blank,
	.fb_setcmap = drm_fb_helper_setcmap,
	.fb_debug_enter = drm_fb_helper_debug_enter,
	.fb_debug_leave = drm_fb_helper_debug_leave,
};

static struct fb_ops nouveau_fbcon_sw_ops = {
	.owner = THIS_MODULE,
	.fb_check_var = drm_fb_helper_check_var,
	.fb_set_par = drm_fb_helper_set_par,
	.fb_fillrect = cfb_fillrect,
	.fb_copyarea = cfb_copyarea,
	.fb_imageblit = cfb_imageblit,
	.fb_pan_display = drm_fb_helper_pan_display,
	.fb_blank = drm_fb_helper_blank,
	.fb_setcmap = drm_fb_helper_setcmap,
	.fb_debug_enter = drm_fb_helper_debug_enter,
	.fb_debug_leave = drm_fb_helper_debug_leave,
};

void
nouveau_fbcon_accel_save_disable(struct drm_device *dev)
{
	struct nouveau_drm *drm = nouveau_drm(dev);
	if (drm->fbcon) {
		drm->fbcon->saved_flags = drm->fbcon->helper.fbdev->flags;
		drm->fbcon->helper.fbdev->flags |= FBINFO_HWACCEL_DISABLED;
	}
}

void
nouveau_fbcon_accel_restore(struct drm_device *dev)
{
	struct nouveau_drm *drm = nouveau_drm(dev);
	if (drm->fbcon) {
		drm->fbcon->helper.fbdev->flags = drm->fbcon->saved_flags;
	}
}

void
nouveau_fbcon_accel_fini(struct drm_device *dev)
{
	struct nouveau_drm *drm = nouveau_drm(dev);
	struct nouveau_fbdev *fbcon = drm->fbcon;
	if (fbcon && drm->channel) {
		console_lock();
		fbcon->helper.fbdev->flags |= FBINFO_HWACCEL_DISABLED;
		console_unlock();
		nouveau_channel_idle(drm->channel);
		nvif_object_fini(&fbcon->twod);
		nvif_object_fini(&fbcon->blit);
		nvif_object_fini(&fbcon->gdi);
		nvif_object_fini(&fbcon->patt);
		nvif_object_fini(&fbcon->rop);
		nvif_object_fini(&fbcon->clip);
		nvif_object_fini(&fbcon->surf2d);
	}
}

void
nouveau_fbcon_accel_init(struct drm_device *dev)
{
	struct nouveau_drm *drm = nouveau_drm(dev);
	struct nouveau_fbdev *fbcon = drm->fbcon;
	struct fb_info *info = fbcon->helper.fbdev;
	int ret;

	if (drm->device.info.family < NV_DEVICE_INFO_V0_TESLA)
		ret = nv04_fbcon_accel_init(info);
	else
	if (drm->device.info.family < NV_DEVICE_INFO_V0_FERMI)
		ret = nv50_fbcon_accel_init(info);
	else
		ret = nvc0_fbcon_accel_init(info);

	if (ret == 0)
		info->fbops = &nouveau_fbcon_ops;
}

static void nouveau_fbcon_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
				    u16 blue, int regno)
{
	struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);

	nv_crtc->lut.r[regno] = red;
	nv_crtc->lut.g[regno] = green;
	nv_crtc->lut.b[regno] = blue;
}

static void nouveau_fbcon_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
				    u16 *blue, int regno)
{
	struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);

	*red = nv_crtc->lut.r[regno];
	*green = nv_crtc->lut.g[regno];
	*blue = nv_crtc->lut.b[regno];
}

static void
nouveau_fbcon_zfill(struct drm_device *dev, struct nouveau_fbdev *fbcon)
{
	struct fb_info *info = fbcon->helper.fbdev;
	struct fb_fillrect rect;

	/* Clear the entire fbcon.  The drm will program every connector
	 * with it's preferred mode.  If the sizes differ, one display will
	 * quite likely have garbage around the console.
	 */
	rect.dx = rect.dy = 0;
	rect.width = info->var.xres_virtual;
	rect.height = info->var.yres_virtual;
	rect.color = 0;
	rect.rop = ROP_COPY;
	info->fbops->fb_fillrect(info, &rect);
}

static int
nouveau_fbcon_create(struct drm_fb_helper *helper,
		     struct drm_fb_helper_surface_size *sizes)
{
	struct nouveau_fbdev *fbcon = (struct nouveau_fbdev *)helper;
	struct drm_device *dev = fbcon->dev;
	struct nouveau_drm *drm = nouveau_drm(dev);
	struct nvif_device *device = &drm->device;
	struct fb_info *info;
	struct drm_framebuffer *fb;
	struct nouveau_framebuffer *nouveau_fb;
	struct nouveau_channel *chan;
	struct nouveau_bo *nvbo;
	struct drm_mode_fb_cmd2 mode_cmd;
	struct pci_dev *pdev = dev->pdev;
	int size, ret;

	mode_cmd.width = sizes->surface_width;
	mode_cmd.height = sizes->surface_height;

	mode_cmd.pitches[0] = mode_cmd.width * (sizes->surface_bpp >> 3);
	mode_cmd.pitches[0] = roundup(mode_cmd.pitches[0], 256);

	mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,
							  sizes->surface_depth);

	size = mode_cmd.pitches[0] * mode_cmd.height;
	size = roundup(size, PAGE_SIZE);

	ret = nouveau_gem_new(dev, size, 0, NOUVEAU_GEM_DOMAIN_VRAM,
			      0, 0x0000, &nvbo);
	if (ret) {
		NV_ERROR(drm, "failed to allocate framebuffer\n");
		goto out;
	}

	ret = nouveau_bo_pin(nvbo, TTM_PL_FLAG_VRAM);
	if (ret) {
		NV_ERROR(drm, "failed to pin fb: %d\n", ret);
		goto out_unref;
	}

	ret = nouveau_bo_map(nvbo);
	if (ret) {
		NV_ERROR(drm, "failed to map fb: %d\n", ret);
		goto out_unpin;
	}

	chan = nouveau_nofbaccel ? NULL : drm->channel;
	if (chan && device->info.family >= NV_DEVICE_INFO_V0_TESLA) {
		ret = nouveau_bo_vma_add(nvbo, drm->client.vm,
					&fbcon->nouveau_fb.vma);
		if (ret) {
			NV_ERROR(drm, "failed to map fb into chan: %d\n", ret);
			chan = NULL;
		}
	}

	mutex_lock(&dev->struct_mutex);

	info = framebuffer_alloc(0, &pdev->dev);
	if (!info) {
		ret = -ENOMEM;
		goto out_unlock;
	}

	ret = fb_alloc_cmap(&info->cmap, 256, 0);
	if (ret) {
		ret = -ENOMEM;
		framebuffer_release(info);
		goto out_unlock;
	}

	info->par = fbcon;

	nouveau_framebuffer_init(dev, &fbcon->nouveau_fb, &mode_cmd, nvbo);

	nouveau_fb = &fbcon->nouveau_fb;
	fb = &nouveau_fb->base;

	/* setup helper */
	fbcon->helper.fb = fb;
	fbcon->helper.fbdev = info;

	strcpy(info->fix.id, "nouveaufb");
	if (!chan)
		info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_DISABLED;
	else
		info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_COPYAREA |
			      FBINFO_HWACCEL_FILLRECT |
			      FBINFO_HWACCEL_IMAGEBLIT;
	info->flags |= FBINFO_CAN_FORCE_OUTPUT;
	info->fbops = &nouveau_fbcon_sw_ops;
	info->fix.smem_start = nvbo->bo.mem.bus.base +
			       nvbo->bo.mem.bus.offset;
	info->fix.smem_len = size;

	info->screen_base = nvbo_kmap_obj_iovirtual(nouveau_fb->nvbo);
	info->screen_size = size;

	drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth);
	drm_fb_helper_fill_var(info, &fbcon->helper, sizes->fb_width, sizes->fb_height);

	/* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */

	mutex_unlock(&dev->struct_mutex);

	if (chan)
		nouveau_fbcon_accel_init(dev);
	nouveau_fbcon_zfill(dev, fbcon);

	/* To allow resizeing without swapping buffers */
	NV_INFO(drm, "allocated %dx%d fb: 0x%lx, bo %p\n",
		nouveau_fb->base.width, nouveau_fb->base.height,
		nvbo->bo.offset, nvbo);

	vga_switcheroo_client_fb_set(dev->pdev, info);
	return 0;

out_unlock:
	mutex_unlock(&dev->struct_mutex);
	if (chan)
		nouveau_bo_vma_del(nvbo, &fbcon->nouveau_fb.vma);
	nouveau_bo_unmap(nvbo);
out_unpin:
	nouveau_bo_unpin(nvbo);
out_unref:
	nouveau_bo_ref(NULL, &nvbo);
out:
	return ret;
}

void
nouveau_fbcon_output_poll_changed(struct drm_device *dev)
{
	struct nouveau_drm *drm = nouveau_drm(dev);
	if (drm->fbcon)
		drm_fb_helper_hotplug_event(&drm->fbcon->helper);
}

static int
nouveau_fbcon_destroy(struct drm_device *dev, struct nouveau_fbdev *fbcon)
{
	struct nouveau_framebuffer *nouveau_fb = &fbcon->nouveau_fb;
	struct fb_info *info;

	if (fbcon->helper.fbdev) {
		info = fbcon->helper.fbdev;
		unregister_framebuffer(info);
		if (info->cmap.len)
			fb_dealloc_cmap(&info->cmap);
		framebuffer_release(info);
	}

	if (nouveau_fb->nvbo) {
		nouveau_bo_unmap(nouveau_fb->nvbo);
		nouveau_bo_vma_del(nouveau_fb->nvbo, &nouveau_fb->vma);
		nouveau_bo_unpin(nouveau_fb->nvbo);
		drm_gem_object_unreference_unlocked(&nouveau_fb->nvbo->gem);
		nouveau_fb->nvbo = NULL;
	}
	drm_fb_helper_fini(&fbcon->helper);
	drm_framebuffer_unregister_private(&nouveau_fb->base);
	drm_framebuffer_cleanup(&nouveau_fb->base);
	return 0;
}

void nouveau_fbcon_gpu_lockup(struct fb_info *info)
{
	struct nouveau_fbdev *fbcon = info->par;
	struct nouveau_drm *drm = nouveau_drm(fbcon->dev);

	NV_ERROR(drm, "GPU lockup - switching to software fbcon\n");
	info->flags |= FBINFO_HWACCEL_DISABLED;
}

static const struct drm_fb_helper_funcs nouveau_fbcon_helper_funcs = {
	.gamma_set = nouveau_fbcon_gamma_set,
	.gamma_get = nouveau_fbcon_gamma_get,
	.fb_probe = nouveau_fbcon_create,
};


int
nouveau_fbcon_init(struct drm_device *dev)
{
	struct nouveau_drm *drm = nouveau_drm(dev);
	struct nouveau_fb *pfb = nvkm_fb(&drm->device);
	struct nouveau_fbdev *fbcon;
	int preferred_bpp;
	int ret;

	if (!dev->mode_config.num_crtc ||
	    (dev->pdev->class >> 8) != PCI_CLASS_DISPLAY_VGA)
		return 0;

	fbcon = kzalloc(sizeof(struct nouveau_fbdev), GFP_KERNEL);
	if (!fbcon)
		return -ENOMEM;

	fbcon->dev = dev;
	drm->fbcon = fbcon;

	drm_fb_helper_prepare(dev, &fbcon->helper, &nouveau_fbcon_helper_funcs);

	ret = drm_fb_helper_init(dev, &fbcon->helper,
				 dev->mode_config.num_crtc, 4);
	if (ret) {
		kfree(fbcon);
		return ret;
	}

	drm_fb_helper_single_add_all_connectors(&fbcon->helper);

	if (pfb->ram->size <= 32 * 1024 * 1024)
		preferred_bpp = 8;
	else
	if (pfb->ram->size <= 64 * 1024 * 1024)
		preferred_bpp = 16;
	else
		preferred_bpp = 32;

	/* disable all the possible outputs/crtcs before entering KMS mode */
	drm_helper_disable_unused_functions(dev);

	drm_fb_helper_initial_config(&fbcon->helper, preferred_bpp);
	return 0;
}

void
nouveau_fbcon_fini(struct drm_device *dev)
{
	struct nouveau_drm *drm = nouveau_drm(dev);

	if (!drm->fbcon)
		return;

	nouveau_fbcon_accel_fini(dev);
	nouveau_fbcon_destroy(dev, drm->fbcon);
	kfree(drm->fbcon);
	drm->fbcon = NULL;
}

void
nouveau_fbcon_set_suspend(struct drm_device *dev, int state)
{
	struct nouveau_drm *drm = nouveau_drm(dev);
	if (drm->fbcon) {
		console_lock();
		if (state == 0) {
			nouveau_fbcon_accel_restore(dev);
			nouveau_fbcon_zfill(dev, drm->fbcon);
		}
		fb_set_suspend(drm->fbcon->helper.fbdev, state);
		if (state == 1)
			nouveau_fbcon_accel_save_disable(dev);
		console_unlock();
	}
}
Commit	Line	Data
6ee73861 BS	1	/*
	2	* Copyright © 2007 David Airlie
	3	*
	4	* Permission is hereby granted, free of charge, to any person obtaining a
	5	* copy of this software and associated documentation files (the "Software"),
	6	* to deal in the Software without restriction, including without limitation
	7	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	8	* and/or sell copies of the Software, and to permit persons to whom the
	9	* Software is furnished to do so, subject to the following conditions:
	10	*
	11	* The above copyright notice and this permission notice (including the next
	12	* paragraph) shall be included in all copies or substantial portions of the
	13	* Software.
	14	*
	15	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	16	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	17	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	18	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	19	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
	20	* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
	21	* DEALINGS IN THE SOFTWARE.
	22	*
	23	* Authors:
	24	* David Airlie
	25	*/
	26
	27	#include <linux/module.h>
	28	#include <linux/kernel.h>
	29	#include <linux/errno.h>
	30	#include <linux/string.h>
	31	#include <linux/mm.h>
	32	#include <linux/tty.h>
6ee73861 BS	33	#include <linux/sysrq.h>
	34	#include <linux/delay.h>
	35	#include <linux/fb.h>
	36	#include <linux/init.h>
	37	#include <linux/screen_info.h>
6a9ee8af	38	#include <linux/vga_switcheroo.h>
cf41d53b	39	#include <linux/console.h>
6ee73861	40
760285e7 DH	41	#include <drm/drmP.h>
	42	#include <drm/drm_crtc.h>
	43	#include <drm/drm_crtc_helper.h>
	44	#include <drm/drm_fb_helper.h>
ebb945a9 BS	45
	46	#include "nouveau_drm.h"
	47	#include "nouveau_gem.h"
	48	#include "nouveau_bo.h"
6ee73861	49	#include "nouveau_fbcon.h"
ebb945a9 BS	50	#include "nouveau_chan.h"
	51
	52	#include "nouveau_crtc.h"
	53
	54	#include <core/client.h>
	55	#include <core/device.h>
	56
ebb945a9 BS	57	MODULE_PARM_DESC(nofbaccel, "Disable fbcon acceleration");
	58	static int nouveau_nofbaccel = 0;
	59	module_param_named(nofbaccel, nouveau_nofbaccel, int, 0400);
6ee73861	60
ceed5f30 BS	61	static void
	62	nouveau_fbcon_fillrect(struct fb_info info, const struct fb_fillrect rect)
	63	{
ebb945a9	64	struct nouveau_fbdev *fbcon = info->par;
77145f1c	65	struct nouveau_drm *drm = nouveau_drm(fbcon->dev);
967e7bde	66	struct nvif_device *device = &drm->device;
ceed5f30 BS	67	int ret;
	68
	69	if (info->state != FBINFO_STATE_RUNNING)
	70	return;
	71
	72	ret = -ENODEV;
9acc8100	73	if (!in_interrupt() && !(info->flags & FBINFO_HWACCEL_DISABLED) &&
ebb945a9	74	mutex_trylock(&drm->client.mutex)) {
967e7bde	75	if (device->info.family < NV_DEVICE_INFO_V0_TESLA)
ceed5f30 BS	76	ret = nv04_fbcon_fillrect(info, rect);
ceed5f30 BS	77	else
967e7bde	78	if (device->info.family < NV_DEVICE_INFO_V0_FERMI)
ceed5f30	79	ret = nv50_fbcon_fillrect(info, rect);
ddbaf79a BS	80	else
ddbaf79a BS	81	ret = nvc0_fbcon_fillrect(info, rect);
ebb945a9	82	mutex_unlock(&drm->client.mutex);
ceed5f30 BS	83	}
	84
	85	if (ret == 0)
	86	return;
	87
	88	if (ret != -ENODEV)
	89	nouveau_fbcon_gpu_lockup(info);
	90	cfb_fillrect(info, rect);
	91	}
	92
	93	static void
	94	nouveau_fbcon_copyarea(struct fb_info info, const struct fb_copyarea image)
	95	{
ebb945a9	96	struct nouveau_fbdev *fbcon = info->par;
77145f1c	97	struct nouveau_drm *drm = nouveau_drm(fbcon->dev);
967e7bde	98	struct nvif_device *device = &drm->device;
ceed5f30 BS	99	int ret;
	100
	101	if (info->state != FBINFO_STATE_RUNNING)
	102	return;
	103
	104	ret = -ENODEV;
9acc8100	105	if (!in_interrupt() && !(info->flags & FBINFO_HWACCEL_DISABLED) &&
ebb945a9	106	mutex_trylock(&drm->client.mutex)) {
967e7bde	107	if (device->info.family < NV_DEVICE_INFO_V0_TESLA)
ceed5f30 BS	108	ret = nv04_fbcon_copyarea(info, image);
ceed5f30 BS	109	else
967e7bde	110	if (device->info.family < NV_DEVICE_INFO_V0_FERMI)
ceed5f30	111	ret = nv50_fbcon_copyarea(info, image);
ddbaf79a BS	112	else
ddbaf79a BS	113	ret = nvc0_fbcon_copyarea(info, image);
ebb945a9	114	mutex_unlock(&drm->client.mutex);
ceed5f30 BS	115	}
	116
	117	if (ret == 0)
	118	return;
	119
	120	if (ret != -ENODEV)
	121	nouveau_fbcon_gpu_lockup(info);
	122	cfb_copyarea(info, image);
	123	}
	124
	125	static void
	126	nouveau_fbcon_imageblit(struct fb_info info, const struct fb_image image)
	127	{
ebb945a9	128	struct nouveau_fbdev *fbcon = info->par;
77145f1c	129	struct nouveau_drm *drm = nouveau_drm(fbcon->dev);
967e7bde	130	struct nvif_device *device = &drm->device;
ceed5f30 BS	131	int ret;
	132
	133	if (info->state != FBINFO_STATE_RUNNING)
	134	return;
	135
	136	ret = -ENODEV;
9acc8100	137	if (!in_interrupt() && !(info->flags & FBINFO_HWACCEL_DISABLED) &&
ebb945a9	138	mutex_trylock(&drm->client.mutex)) {
967e7bde	139	if (device->info.family < NV_DEVICE_INFO_V0_TESLA)
ceed5f30 BS	140	ret = nv04_fbcon_imageblit(info, image);
ceed5f30 BS	141	else
967e7bde	142	if (device->info.family < NV_DEVICE_INFO_V0_FERMI)
ceed5f30	143	ret = nv50_fbcon_imageblit(info, image);
ddbaf79a BS	144	else
ddbaf79a BS	145	ret = nvc0_fbcon_imageblit(info, image);
ebb945a9	146	mutex_unlock(&drm->client.mutex);
ceed5f30 BS	147	}
	148
	149	if (ret == 0)
	150	return;
	151
	152	if (ret != -ENODEV)
	153	nouveau_fbcon_gpu_lockup(info);
	154	cfb_imageblit(info, image);
	155	}
	156
6ee73861 BS	157	static int
	158	nouveau_fbcon_sync(struct fb_info *info)
	159	{
ebb945a9	160	struct nouveau_fbdev *fbcon = info->par;
77145f1c	161	struct nouveau_drm *drm = nouveau_drm(fbcon->dev);
ebb945a9	162	struct nouveau_channel *chan = drm->channel;
78df3a1c	163	int ret;
6ee73861	164
6a6b73f2	165	if (!chan \|\| !chan->accel_done \|\| in_interrupt() \|\|
6ee73861 BS	166	info->state != FBINFO_STATE_RUNNING \|\|
	167	info->flags & FBINFO_HWACCEL_DISABLED)
	168	return 0;
	169
ebb945a9	170	if (!mutex_trylock(&drm->client.mutex))
9acc8100 BS	171	return 0;
9acc8100 BS	172
78df3a1c	173	ret = nouveau_channel_idle(chan);
ebb945a9	174	mutex_unlock(&drm->client.mutex);
6ee73861	175	if (ret) {
846975a9	176	nouveau_fbcon_gpu_lockup(info);
6ee73861 BS	177	return 0;
	178	}
	179
	180	chan->accel_done = false;
	181	return 0;
	182	}
	183
	184	static struct fb_ops nouveau_fbcon_ops = {
	185	.owner = THIS_MODULE,
	186	.fb_check_var = drm_fb_helper_check_var,
	187	.fb_set_par = drm_fb_helper_set_par,
ceed5f30 BS	188	.fb_fillrect = nouveau_fbcon_fillrect,
	189	.fb_copyarea = nouveau_fbcon_copyarea,
	190	.fb_imageblit = nouveau_fbcon_imageblit,
6ee73861 BS	191	.fb_sync = nouveau_fbcon_sync,
	192	.fb_pan_display = drm_fb_helper_pan_display,
	193	.fb_blank = drm_fb_helper_blank,
	194	.fb_setcmap = drm_fb_helper_setcmap,
be64c2bb CB	195	.fb_debug_enter = drm_fb_helper_debug_enter,
be64c2bb CB	196	.fb_debug_leave = drm_fb_helper_debug_leave,
6ee73861 BS	197	};
6ee73861 BS	198
ceed5f30	199	static struct fb_ops nouveau_fbcon_sw_ops = {
126b5440 MK	200	.owner = THIS_MODULE,
	201	.fb_check_var = drm_fb_helper_check_var,
	202	.fb_set_par = drm_fb_helper_set_par,
ceed5f30 BS	203	.fb_fillrect = cfb_fillrect,
	204	.fb_copyarea = cfb_copyarea,
	205	.fb_imageblit = cfb_imageblit,
126b5440 MK	206	.fb_pan_display = drm_fb_helper_pan_display,
	207	.fb_blank = drm_fb_helper_blank,
	208	.fb_setcmap = drm_fb_helper_setcmap,
be64c2bb CB	209	.fb_debug_enter = drm_fb_helper_debug_enter,
be64c2bb CB	210	.fb_debug_leave = drm_fb_helper_debug_leave,
126b5440 MK	211	};
126b5440 MK	212
4b5098f3 BS	213	void
	214	nouveau_fbcon_accel_save_disable(struct drm_device *dev)
	215	{
	216	struct nouveau_drm *drm = nouveau_drm(dev);
	217	if (drm->fbcon) {
	218	drm->fbcon->saved_flags = drm->fbcon->helper.fbdev->flags;
	219	drm->fbcon->helper.fbdev->flags \|= FBINFO_HWACCEL_DISABLED;
	220	}
	221	}
	222
	223	void
	224	nouveau_fbcon_accel_restore(struct drm_device *dev)
	225	{
	226	struct nouveau_drm *drm = nouveau_drm(dev);
	227	if (drm->fbcon) {
	228	drm->fbcon->helper.fbdev->flags = drm->fbcon->saved_flags;
	229	}
	230	}
	231
	232	void
	233	nouveau_fbcon_accel_fini(struct drm_device *dev)
	234	{
	235	struct nouveau_drm *drm = nouveau_drm(dev);
	236	struct nouveau_fbdev *fbcon = drm->fbcon;
	237	if (fbcon && drm->channel) {
	238	console_lock();
	239	fbcon->helper.fbdev->flags \|= FBINFO_HWACCEL_DISABLED;
	240	console_unlock();
	241	nouveau_channel_idle(drm->channel);
0ad72863 BS	242	nvif_object_fini(&fbcon->twod);
	243	nvif_object_fini(&fbcon->blit);
	244	nvif_object_fini(&fbcon->gdi);
	245	nvif_object_fini(&fbcon->patt);
	246	nvif_object_fini(&fbcon->rop);
	247	nvif_object_fini(&fbcon->clip);
	248	nvif_object_fini(&fbcon->surf2d);
4b5098f3 BS	249	}
	250	}
	251
	252	void
	253	nouveau_fbcon_accel_init(struct drm_device *dev)
	254	{
	255	struct nouveau_drm *drm = nouveau_drm(dev);
	256	struct nouveau_fbdev *fbcon = drm->fbcon;
	257	struct fb_info *info = fbcon->helper.fbdev;
	258	int ret;
	259
967e7bde	260	if (drm->device.info.family < NV_DEVICE_INFO_V0_TESLA)
4b5098f3 BS	261	ret = nv04_fbcon_accel_init(info);
4b5098f3 BS	262	else
967e7bde	263	if (drm->device.info.family < NV_DEVICE_INFO_V0_FERMI)
4b5098f3 BS	264	ret = nv50_fbcon_accel_init(info);
	265	else
	266	ret = nvc0_fbcon_accel_init(info);
	267
	268	if (ret == 0)
	269	info->fbops = &nouveau_fbcon_ops;
	270	}
	271
6ee73861 BS	272	static void nouveau_fbcon_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
	273	u16 blue, int regno)
	274	{
	275	struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
	276
	277	nv_crtc->lut.r[regno] = red;
	278	nv_crtc->lut.g[regno] = green;
	279	nv_crtc->lut.b[regno] = blue;
	280	}
	281
	282	static void nouveau_fbcon_gamma_get(struct drm_crtc crtc, u16 red, u16 *green,
	283	u16 *blue, int regno)
	284	{
	285	struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
	286
	287	*red = nv_crtc->lut.r[regno];
	288	*green = nv_crtc->lut.g[regno];
	289	*blue = nv_crtc->lut.b[regno];
	290	}
	291
38651674	292	static void
ebb945a9	293	nouveau_fbcon_zfill(struct drm_device dev, struct nouveau_fbdev fbcon)
6ee73861	294	{
ebb945a9	295	struct fb_info *info = fbcon->helper.fbdev;
6ee73861 BS	296	struct fb_fillrect rect;
	297
	298	/* Clear the entire fbcon. The drm will program every connector
	299	* with it's preferred mode. If the sizes differ, one display will
	300	* quite likely have garbage around the console.
	301	*/
	302	rect.dx = rect.dy = 0;
	303	rect.width = info->var.xres_virtual;
	304	rect.height = info->var.yres_virtual;
	305	rect.color = 0;
	306	rect.rop = ROP_COPY;
	307	info->fbops->fb_fillrect(info, &rect);
	308	}
	309
	310	static int
cd5428a5	311	nouveau_fbcon_create(struct drm_fb_helper *helper,
8be48d92	312	struct drm_fb_helper_surface_size *sizes)
6ee73861	313	{
cd5428a5	314	struct nouveau_fbdev fbcon = (struct nouveau_fbdev )helper;
ebb945a9	315	struct drm_device *dev = fbcon->dev;
77145f1c	316	struct nouveau_drm *drm = nouveau_drm(dev);
967e7bde	317	struct nvif_device *device = &drm->device;
6ee73861	318	struct fb_info *info;
6ee73861 BS	319	struct drm_framebuffer *fb;
6ee73861 BS	320	struct nouveau_framebuffer *nouveau_fb;
45143cb5	321	struct nouveau_channel *chan;
6ee73861	322	struct nouveau_bo *nvbo;
308e5bcb	323	struct drm_mode_fb_cmd2 mode_cmd;
1471ca9a	324	struct pci_dev *pdev = dev->pdev;
6ee73861 BS	325	int size, ret;
6ee73861 BS	326
38651674 DA	327	mode_cmd.width = sizes->surface_width;
38651674 DA	328	mode_cmd.height = sizes->surface_height;
6ee73861	329
308e5bcb JB	330	mode_cmd.pitches[0] = mode_cmd.width * (sizes->surface_bpp >> 3);
308e5bcb JB	331	mode_cmd.pitches[0] = roundup(mode_cmd.pitches[0], 256);
6ee73861	332
308e5bcb JB	333	mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,
	334	sizes->surface_depth);
	335
	336	size = mode_cmd.pitches[0] * mode_cmd.height;
1c7059e4	337	size = roundup(size, PAGE_SIZE);
6ee73861	338
f6d4e621 BS	339	ret = nouveau_gem_new(dev, size, 0, NOUVEAU_GEM_DOMAIN_VRAM,
f6d4e621 BS	340	0, 0x0000, &nvbo);
6ee73861	341	if (ret) {
ebb945a9	342	NV_ERROR(drm, "failed to allocate framebuffer\n");
6ee73861 BS	343	goto out;
	344	}
	345
	346	ret = nouveau_bo_pin(nvbo, TTM_PL_FLAG_VRAM);
	347	if (ret) {
ebb945a9	348	NV_ERROR(drm, "failed to pin fb: %d\n", ret);
1e2bd5f5	349	goto out_unref;
6ee73861 BS	350	}
	351
	352	ret = nouveau_bo_map(nvbo);
	353	if (ret) {
ebb945a9	354	NV_ERROR(drm, "failed to map fb: %d\n", ret);
1e2bd5f5	355	goto out_unpin;
6ee73861 BS	356	}
6ee73861 BS	357
ebb945a9	358	chan = nouveau_nofbaccel ? NULL : drm->channel;
967e7bde	359	if (chan && device->info.family >= NV_DEVICE_INFO_V0_TESLA) {
0ad72863	360	ret = nouveau_bo_vma_add(nvbo, drm->client.vm,
ebb945a9	361	&fbcon->nouveau_fb.vma);
45143cb5	362	if (ret) {
ebb945a9	363	NV_ERROR(drm, "failed to map fb into chan: %d\n", ret);
45143cb5 BS	364	chan = NULL;
	365	}
	366	}
	367
6ee73861 BS	368	mutex_lock(&dev->struct_mutex);
6ee73861 BS	369
ebb945a9	370	info = framebuffer_alloc(0, &pdev->dev);
6ee73861	371	if (!info) {
6ee73861	372	ret = -ENOMEM;
1e2bd5f5	373	goto out_unlock;
6ee73861 BS	374	}
6ee73861 BS	375
4abe3520 DA	376	ret = fb_alloc_cmap(&info->cmap, 256, 0);
4abe3520 DA	377	if (ret) {
6ee73861	378	ret = -ENOMEM;
1e2bd5f5 ML	379	framebuffer_release(info);
1e2bd5f5 ML	380	goto out_unlock;
6ee73861 BS	381	}
6ee73861 BS	382
ebb945a9	383	info->par = fbcon;
38651674	384
ebb945a9	385	nouveau_framebuffer_init(dev, &fbcon->nouveau_fb, &mode_cmd, nvbo);
38651674	386
ebb945a9	387	nouveau_fb = &fbcon->nouveau_fb;
8be48d92	388	fb = &nouveau_fb->base;
38651674	389
8be48d92	390	/* setup helper */
ebb945a9 BS	391	fbcon->helper.fb = fb;
ebb945a9 BS	392	fbcon->helper.fbdev = info;
6ee73861 BS	393
6ee73861 BS	394	strcpy(info->fix.id, "nouveaufb");
1e2bd5f5	395	if (!chan)
a32ed69d MK	396	info->flags = FBINFO_DEFAULT \| FBINFO_HWACCEL_DISABLED;
	397	else
	398	info->flags = FBINFO_DEFAULT \| FBINFO_HWACCEL_COPYAREA \|
	399	FBINFO_HWACCEL_FILLRECT \|
	400	FBINFO_HWACCEL_IMAGEBLIT;
8fd4bd22	401	info->flags \|= FBINFO_CAN_FORCE_OUTPUT;
ceed5f30	402	info->fbops = &nouveau_fbcon_sw_ops;
f01a9720 BS	403	info->fix.smem_start = nvbo->bo.mem.bus.base +
f01a9720 BS	404	nvbo->bo.mem.bus.offset;
6ee73861 BS	405	info->fix.smem_len = size;
	406
	407	info->screen_base = nvbo_kmap_obj_iovirtual(nouveau_fb->nvbo);
	408	info->screen_size = size;
	409
01f2c773	410	drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth);
ebb945a9	411	drm_fb_helper_fill_var(info, &fbcon->helper, sizes->fb_width, sizes->fb_height);
1471ca9a	412
fb2a99e1	413	/* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */
6ee73861	414
6a6b73f2 BS	415	mutex_unlock(&dev->struct_mutex);
6a6b73f2 BS	416
4b5098f3 BS	417	if (chan)
4b5098f3 BS	418	nouveau_fbcon_accel_init(dev);
ebb945a9	419	nouveau_fbcon_zfill(dev, fbcon);
6ee73861 BS	420
6ee73861 BS	421	/* To allow resizeing without swapping buffers */
ebb945a9 BS	422	NV_INFO(drm, "allocated %dx%d fb: 0x%lx, bo %p\n",
	423	nouveau_fb->base.width, nouveau_fb->base.height,
	424	nvbo->bo.offset, nvbo);
6ee73861	425
6a9ee8af	426	vga_switcheroo_client_fb_set(dev->pdev, info);
6ee73861 BS	427	return 0;
6ee73861 BS	428
1e2bd5f5	429	out_unlock:
6ee73861	430	mutex_unlock(&dev->struct_mutex);
1e2bd5f5 ML	431	if (chan)
1e2bd5f5 ML	432	nouveau_bo_vma_del(nvbo, &fbcon->nouveau_fb.vma);
fdfb8332	433	nouveau_bo_unmap(nvbo);
1e2bd5f5 ML	434	out_unpin:
	435	nouveau_bo_unpin(nvbo);
	436	out_unref:
	437	nouveau_bo_ref(NULL, &nvbo);
6ee73861 BS	438	out:
	439	return ret;
	440	}
	441
eb1f8e4f DA	442	void
eb1f8e4f DA	443	nouveau_fbcon_output_poll_changed(struct drm_device *dev)
6ee73861	444	{
77145f1c	445	struct nouveau_drm *drm = nouveau_drm(dev);
8a258353 ML	446	if (drm->fbcon)
8a258353 ML	447	drm_fb_helper_hotplug_event(&drm->fbcon->helper);
6ee73861 BS	448	}
6ee73861 BS	449
6e86e041	450	static int
ebb945a9	451	nouveau_fbcon_destroy(struct drm_device dev, struct nouveau_fbdev fbcon)
6ee73861	452	{
ebb945a9	453	struct nouveau_framebuffer *nouveau_fb = &fbcon->nouveau_fb;
6ee73861 BS	454	struct fb_info *info;
6ee73861 BS	455
ebb945a9 BS	456	if (fbcon->helper.fbdev) {
ebb945a9 BS	457	info = fbcon->helper.fbdev;
6ee73861	458	unregister_framebuffer(info);
4abe3520 DA	459	if (info->cmap.len)
4abe3520 DA	460	fb_dealloc_cmap(&info->cmap);
8be48d92 DA	461	framebuffer_release(info);
8be48d92 DA	462	}
6ee73861	463
8be48d92	464	if (nouveau_fb->nvbo) {
6ee73861	465	nouveau_bo_unmap(nouveau_fb->nvbo);
45143cb5	466	nouveau_bo_vma_del(nouveau_fb->nvbo, &nouveau_fb->vma);
1e2bd5f5	467	nouveau_bo_unpin(nouveau_fb->nvbo);
55fb74ad	468	drm_gem_object_unreference_unlocked(&nouveau_fb->nvbo->gem);
6ee73861	469	nouveau_fb->nvbo = NULL;
6ee73861	470	}
ebb945a9	471	drm_fb_helper_fini(&fbcon->helper);
36206361	472	drm_framebuffer_unregister_private(&nouveau_fb->base);
38651674	473	drm_framebuffer_cleanup(&nouveau_fb->base);
6ee73861 BS	474	return 0;
6ee73861 BS	475	}
846975a9 MS	476
	477	void nouveau_fbcon_gpu_lockup(struct fb_info *info)
	478	{
ebb945a9	479	struct nouveau_fbdev *fbcon = info->par;
77145f1c	480	struct nouveau_drm *drm = nouveau_drm(fbcon->dev);
846975a9	481
ebb945a9	482	NV_ERROR(drm, "GPU lockup - switching to software fbcon\n");
846975a9 MS	483	info->flags \|= FBINFO_HWACCEL_DISABLED;
846975a9 MS	484	}
38651674	485
3a493879	486	static const struct drm_fb_helper_funcs nouveau_fbcon_helper_funcs = {
4abe3520 DA	487	.gamma_set = nouveau_fbcon_gamma_set,
4abe3520 DA	488	.gamma_get = nouveau_fbcon_gamma_get,
cd5428a5	489	.fb_probe = nouveau_fbcon_create,
4abe3520 DA	490	};
	491
	492
ebb945a9 BS	493	int
ebb945a9 BS	494	nouveau_fbcon_init(struct drm_device *dev)
38651674	495	{
77145f1c	496	struct nouveau_drm *drm = nouveau_drm(dev);
967e7bde	497	struct nouveau_fb *pfb = nvkm_fb(&drm->device);
ebb945a9	498	struct nouveau_fbdev *fbcon;
1e482f75	499	int preferred_bpp;
5a79395b	500	int ret;
8be48d92	501
fc162088 BS	502	if (!dev->mode_config.num_crtc \|\|
fc162088 BS	503	(dev->pdev->class >> 8) != PCI_CLASS_DISPLAY_VGA)
ebb945a9 BS	504	return 0;
	505
	506	fbcon = kzalloc(sizeof(struct nouveau_fbdev), GFP_KERNEL);
	507	if (!fbcon)
8be48d92 DA	508	return -ENOMEM;
8be48d92 DA	509
ebb945a9 BS	510	fbcon->dev = dev;
ebb945a9 BS	511	drm->fbcon = fbcon;
10a23102 TR	512
10a23102 TR	513	drm_fb_helper_prepare(dev, &fbcon->helper, &nouveau_fbcon_helper_funcs);
8be48d92	514
ebb945a9	515	ret = drm_fb_helper_init(dev, &fbcon->helper,
9bd0c15f	516	dev->mode_config.num_crtc, 4);
5a79395b	517	if (ret) {
ebb945a9	518	kfree(fbcon);
5a79395b CW	519	return ret;
	520	}
	521
ebb945a9	522	drm_fb_helper_single_add_all_connectors(&fbcon->helper);
1e482f75	523
dceef5d8	524	if (pfb->ram->size <= 32 * 1024 * 1024)
1e482f75	525	preferred_bpp = 8;
ebb945a9	526	else
dceef5d8	527	if (pfb->ram->size <= 64 * 1024 * 1024)
1e482f75 MS	528	preferred_bpp = 16;
	529	else
	530	preferred_bpp = 32;
	531
76a39dbf DV	532	/* disable all the possible outputs/crtcs before entering KMS mode */
	533	drm_helper_disable_unused_functions(dev);
	534
ebb945a9	535	drm_fb_helper_initial_config(&fbcon->helper, preferred_bpp);
38651674 DA	536	return 0;
	537	}
	538
ebb945a9 BS	539	void
ebb945a9 BS	540	nouveau_fbcon_fini(struct drm_device *dev)
38651674	541	{
77145f1c	542	struct nouveau_drm *drm = nouveau_drm(dev);
8be48d92	543
ebb945a9	544	if (!drm->fbcon)
8be48d92 DA	545	return;
8be48d92 DA	546
4b5098f3	547	nouveau_fbcon_accel_fini(dev);
ebb945a9 BS	548	nouveau_fbcon_destroy(dev, drm->fbcon);
	549	kfree(drm->fbcon);
	550	drm->fbcon = NULL;
38651674 DA	551	}
38651674 DA	552
46ea1688 BS	553	void
46ea1688 BS	554	nouveau_fbcon_set_suspend(struct drm_device *dev, int state)
38651674	555	{
77145f1c	556	struct nouveau_drm *drm = nouveau_drm(dev);
46ea1688 BS	557	if (drm->fbcon) {
46ea1688 BS	558	console_lock();
028791bb	559	if (state == 0) {
4b5098f3	560	nouveau_fbcon_accel_restore(dev);
028791bb BS	561	nouveau_fbcon_zfill(dev, drm->fbcon);
028791bb BS	562	}
04384435 BS	563	fb_set_suspend(drm->fbcon->helper.fbdev, state);
	564	if (state == 1)
	565	nouveau_fbcon_accel_save_disable(dev);
46ea1688 BS	566	console_unlock();
46ea1688 BS	567	}
38651674	568	}