[GitHub/exynos8895/android_kernel_samsung_universal8895.git] / drivers / gpu / drm / nouveau / nouveau_drm.c

/*
 * Copyright 2012 Red Hat Inc.
 *
 * 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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: Ben Skeggs
 */

#include <linux/console.h>
#include <linux/module.h>
#include <linux/pci.h>

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

#include <subdev/device.h>
#include <subdev/vm.h>

#include "nouveau_drm.h"
#include "nouveau_irq.h"
#include "nouveau_dma.h"
#include "nouveau_ttm.h"
#include "nouveau_gem.h"
#include "nouveau_agp.h"
#include "nouveau_vga.h"
#include "nouveau_pm.h"
#include "nouveau_acpi.h"
#include "nouveau_bios.h"
#include "nouveau_ioctl.h"
#include "nouveau_abi16.h"
#include "nouveau_fbcon.h"
#include "nouveau_fence.h"

#include "nouveau_ttm.h"

MODULE_PARM_DESC(config, "option string to pass to driver core");
static char *nouveau_config;
module_param_named(config, nouveau_config, charp, 0400);

MODULE_PARM_DESC(debug, "debug string to pass to driver core");
static char *nouveau_debug;
module_param_named(debug, nouveau_debug, charp, 0400);

MODULE_PARM_DESC(noaccel, "disable kernel/abi16 acceleration");
static int nouveau_noaccel = 0;
module_param_named(noaccel, nouveau_noaccel, int, 0400);

MODULE_PARM_DESC(modeset, "enable driver");
static int nouveau_modeset = -1;
module_param_named(modeset, nouveau_modeset, int, 0400);

static struct drm_driver driver;

static u64
nouveau_name(struct pci_dev *pdev)
{
	u64 name = (u64)pci_domain_nr(pdev->bus) << 32;
	name |= pdev->bus->number << 16;
	name |= PCI_SLOT(pdev->devfn) << 8;
	return name | PCI_FUNC(pdev->devfn);
}

static int
nouveau_cli_create(struct pci_dev *pdev, const char *name,
		   int size, void **pcli)
{
	struct nouveau_cli *cli;
	int ret;

	ret = nouveau_client_create_(name, nouveau_name(pdev), nouveau_config,
				     nouveau_debug, size, pcli);
	cli = *pcli;
	if (ret)
		return ret;

	mutex_init(&cli->mutex);
	return 0;
}

static void
nouveau_cli_destroy(struct nouveau_cli *cli)
{
	struct nouveau_object *client = nv_object(cli);
	nouveau_vm_ref(NULL, &cli->base.vm, NULL);
	nouveau_client_fini(&cli->base, false);
	atomic_set(&client->refcount, 1);
	nouveau_object_ref(NULL, &client);
}

static void
nouveau_accel_fini(struct nouveau_drm *drm)
{
	nouveau_gpuobj_ref(NULL, &drm->notify);
	nouveau_channel_del(&drm->channel);
	nouveau_channel_del(&drm->cechan);
	if (drm->fence)
		nouveau_fence(drm)->dtor(drm);
}

static void
nouveau_accel_init(struct nouveau_drm *drm)
{
	struct nouveau_device *device = nv_device(drm->device);
	struct nouveau_object *object;
	u32 arg0, arg1;
	int ret;

	if (nouveau_noaccel)
		return;

	/* initialise synchronisation routines */
	if      (device->card_type < NV_10) ret = nv04_fence_create(drm);
	else if (device->chipset   <  0x84) ret = nv10_fence_create(drm);
	else if (device->card_type < NV_C0) ret = nv84_fence_create(drm);
	else                                ret = nvc0_fence_create(drm);
	if (ret) {
		NV_ERROR(drm, "failed to initialise sync subsystem, %d\n", ret);
		nouveau_accel_fini(drm);
		return;
	}

	if (device->card_type >= NV_E0) {
		ret = nouveau_channel_new(drm, &drm->client, NVDRM_DEVICE,
					  NVDRM_CHAN + 1,
					  NVE0_CHANNEL_IND_ENGINE_CE0 |
					  NVE0_CHANNEL_IND_ENGINE_CE1, 0,
					  &drm->cechan);
		if (ret)
			NV_ERROR(drm, "failed to create ce channel, %d\n", ret);

		arg0 = NVE0_CHANNEL_IND_ENGINE_GR;
		arg1 = 0;
	} else {
		arg0 = NvDmaFB;
		arg1 = NvDmaTT;
	}

	ret = nouveau_channel_new(drm, &drm->client, NVDRM_DEVICE, NVDRM_CHAN,
				  arg0, arg1, &drm->channel);
	if (ret) {
		NV_ERROR(drm, "failed to create kernel channel, %d\n", ret);
		nouveau_accel_fini(drm);
		return;
	}

	if (device->card_type < NV_C0) {
		ret = nouveau_gpuobj_new(drm->device, NULL, 32, 0, 0,
					&drm->notify);
		if (ret) {
			NV_ERROR(drm, "failed to allocate notifier, %d\n", ret);
			nouveau_accel_fini(drm);
			return;
		}

		ret = nouveau_object_new(nv_object(drm),
					 drm->channel->handle, NvNotify0,
					 0x003d, &(struct nv_dma_class) {
						.flags = NV_DMA_TARGET_VRAM |
							 NV_DMA_ACCESS_RDWR,
						.start = drm->notify->addr,
						.limit = drm->notify->addr + 31
						}, sizeof(struct nv_dma_class),
					 &object);
		if (ret) {
			nouveau_accel_fini(drm);
			return;
		}
	}


	nouveau_bo_move_init(drm);
}

static int __devinit
nouveau_drm_probe(struct pci_dev *pdev, const struct pci_device_id *pent)
{
	struct nouveau_device *device;
	struct apertures_struct *aper;
	bool boot = false;
	int ret;

	/* remove conflicting drivers (vesafb, efifb etc) */
	aper = alloc_apertures(3);
	if (!aper)
		return -ENOMEM;

	aper->ranges[0].base = pci_resource_start(pdev, 1);
	aper->ranges[0].size = pci_resource_len(pdev, 1);
	aper->count = 1;

	if (pci_resource_len(pdev, 2)) {
		aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
		aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
		aper->count++;
	}

	if (pci_resource_len(pdev, 3)) {
		aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
		aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
		aper->count++;
	}

#ifdef CONFIG_X86
	boot = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
#endif
	remove_conflicting_framebuffers(aper, "nouveaufb", boot);

	ret = nouveau_device_create(pdev, nouveau_name(pdev), pci_name(pdev),
				    nouveau_config, nouveau_debug, &device);
	if (ret)
		return ret;

	pci_set_master(pdev);

	ret = drm_get_pci_dev(pdev, pent, &driver);
	if (ret) {
		nouveau_object_ref(NULL, (struct nouveau_object **)&device);
		return ret;
	}

	return 0;
}

static int
nouveau_drm_load(struct drm_device *dev, unsigned long flags)
{
	struct pci_dev *pdev = dev->pdev;
	struct nouveau_device *device;
	struct nouveau_drm *drm;
	int ret;

	ret = nouveau_cli_create(pdev, "DRM", sizeof(*drm), (void**)&drm);
	if (ret)
		return ret;

	dev->dev_private = drm;
	drm->dev = dev;

	INIT_LIST_HEAD(&drm->clients);
	spin_lock_init(&drm->tile.lock);

	/* make sure AGP controller is in a consistent state before we
	 * (possibly) execute vbios init tables (see nouveau_agp.h)
	 */
	if (drm_pci_device_is_agp(dev) && dev->agp) {
		/* dummy device object, doesn't init anything, but allows
		 * agp code access to registers
		 */
		ret = nouveau_object_new(nv_object(drm), NVDRM_CLIENT,
					 NVDRM_DEVICE, 0x0080,
					 &(struct nv_device_class) {
						.device = ~0,
						.disable =
						 ~(NV_DEVICE_DISABLE_MMIO |
						   NV_DEVICE_DISABLE_IDENTIFY),
						.debug0 = ~0,
					 }, sizeof(struct nv_device_class),
					 &drm->device);
		if (ret)
			goto fail_device;

		nouveau_agp_reset(drm);
		nouveau_object_del(nv_object(drm), NVDRM_CLIENT, NVDRM_DEVICE);
	}

	ret = nouveau_object_new(nv_object(drm), NVDRM_CLIENT, NVDRM_DEVICE,
				 0x0080, &(struct nv_device_class) {
					.device = ~0,
					.disable = 0,
					.debug0 = 0,
				 }, sizeof(struct nv_device_class),
				 &drm->device);
	if (ret)
		goto fail_device;

	/* workaround an odd issue on nvc1 by disabling the device's
	 * nosnoop capability.  hopefully won't cause issues until a
	 * better fix is found - assuming there is one...
	 */
	device = nv_device(drm->device);
	if (nv_device(drm->device)->chipset == 0xc1)
		nv_mask(device, 0x00088080, 0x00000800, 0x00000000);

	nouveau_vga_init(drm);
	nouveau_agp_init(drm);

	if (device->card_type >= NV_50) {
		ret = nouveau_vm_new(nv_device(drm->device), 0, (1ULL << 40),
				     0x1000, &drm->client.base.vm);
		if (ret)
			goto fail_device;
	}

	ret = nouveau_ttm_init(drm);
	if (ret)
		goto fail_ttm;

	ret = nouveau_bios_init(dev);
	if (ret)
		goto fail_bios;

	ret = nouveau_irq_init(dev);
	if (ret)
		goto fail_irq;

	ret = nouveau_display_create(dev);
	if (ret)
		goto fail_dispctor;

	if (dev->mode_config.num_crtc) {
		ret = nouveau_display_init(dev);
		if (ret)
			goto fail_dispinit;
	}

	nouveau_pm_init(dev);

	nouveau_accel_init(drm);
	nouveau_fbcon_init(dev);
	return 0;

fail_dispinit:
	nouveau_display_destroy(dev);
fail_dispctor:
	nouveau_irq_fini(dev);
fail_irq:
	nouveau_bios_takedown(dev);
fail_bios:
	nouveau_ttm_fini(drm);
fail_ttm:
	nouveau_agp_fini(drm);
	nouveau_vga_fini(drm);
fail_device:
	nouveau_cli_destroy(&drm->client);
	return ret;
}

static int
nouveau_drm_unload(struct drm_device *dev)
{
	struct nouveau_drm *drm = nouveau_drm(dev);

	nouveau_fbcon_fini(dev);
	nouveau_accel_fini(drm);

	nouveau_pm_fini(dev);

	nouveau_display_fini(dev);
	nouveau_display_destroy(dev);

	nouveau_irq_fini(dev);
	nouveau_bios_takedown(dev);

	nouveau_ttm_fini(drm);
	nouveau_agp_fini(drm);
	nouveau_vga_fini(drm);

	nouveau_cli_destroy(&drm->client);
	return 0;
}

static void
nouveau_drm_remove(struct pci_dev *pdev)
{
	struct drm_device *dev = pci_get_drvdata(pdev);
	struct nouveau_drm *drm = nouveau_drm(dev);
	struct nouveau_object *device;

	device = drm->client.base.device;
	drm_put_dev(dev);

	nouveau_object_ref(NULL, &device);
	nouveau_object_debug();
}

int
nouveau_drm_suspend(struct pci_dev *pdev, pm_message_t pm_state)
{
	struct drm_device *dev = pci_get_drvdata(pdev);
	struct nouveau_drm *drm = nouveau_drm(dev);
	struct nouveau_cli *cli;
	int ret;

	if (dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
	    pm_state.event == PM_EVENT_PRETHAW)
		return 0;

	NV_INFO(drm, "suspending fbcon...\n");
	nouveau_fbcon_set_suspend(dev, 1);

	NV_INFO(drm, "suspending display...\n");
	ret = nouveau_display_suspend(dev);
	if (ret)
		return ret;

	NV_INFO(drm, "evicting buffers...\n");
	ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM);

	if (drm->fence && nouveau_fence(drm)->suspend) {
		if (!nouveau_fence(drm)->suspend(drm))
			return -ENOMEM;
	}

	NV_INFO(drm, "suspending client object trees...\n");
	list_for_each_entry(cli, &drm->clients, head) {
		ret = nouveau_client_fini(&cli->base, true);
		if (ret)
			goto fail_client;
	}

	ret = nouveau_client_fini(&drm->client.base, true);
	if (ret)
		goto fail_client;

	nouveau_agp_fini(drm);

	pci_save_state(pdev);
	if (pm_state.event == PM_EVENT_SUSPEND) {
		pci_disable_device(pdev);
		pci_set_power_state(pdev, PCI_D3hot);
	}

	return 0;

fail_client:
	list_for_each_entry_continue_reverse(cli, &drm->clients, head) {
		nouveau_client_init(&cli->base);
	}

	NV_INFO(drm, "resuming display...\n");
	nouveau_display_resume(dev);
	return ret;
}

int
nouveau_drm_resume(struct pci_dev *pdev)
{
	struct drm_device *dev = pci_get_drvdata(pdev);
	struct nouveau_drm *drm = nouveau_drm(dev);
	struct nouveau_cli *cli;
	int ret;

	if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
		return 0;

	NV_INFO(drm, "re-enabling device...\n");
	pci_set_power_state(pdev, PCI_D0);
	pci_restore_state(pdev);
	ret = pci_enable_device(pdev);
	if (ret)
		return ret;
	pci_set_master(pdev);

	nouveau_agp_reset(drm);

	NV_INFO(drm, "resuming client object trees...\n");
	nouveau_client_init(&drm->client.base);
	nouveau_agp_init(drm);

	list_for_each_entry(cli, &drm->clients, head) {
		nouveau_client_init(&cli->base);
	}

	if (drm->fence && nouveau_fence(drm)->resume)
		nouveau_fence(drm)->resume(drm);

	nouveau_run_vbios_init(dev);
	nouveau_irq_postinstall(dev);
	nouveau_pm_resume(dev);

	NV_INFO(drm, "resuming display...\n");
	nouveau_display_resume(dev);
	return 0;
}

static int
nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
{
	struct pci_dev *pdev = dev->pdev;
	struct nouveau_drm *drm = nouveau_drm(dev);
	struct nouveau_cli *cli;
	char name[16];
	int ret;

	snprintf(name, sizeof(name), "%d", pid_nr(fpriv->pid));

	ret = nouveau_cli_create(pdev, name, sizeof(*cli), (void **)&cli);
	if (ret)
		return ret;

	if (nv_device(drm->device)->card_type >= NV_50) {
		ret = nouveau_vm_new(nv_device(drm->device), 0, (1ULL << 40),
				     0x1000, &cli->base.vm);
		if (ret) {
			nouveau_cli_destroy(cli);
			return ret;
		}
	}

	fpriv->driver_priv = cli;

	mutex_lock(&drm->client.mutex);
	list_add(&cli->head, &drm->clients);
	mutex_unlock(&drm->client.mutex);
	return 0;
}

static void
nouveau_drm_preclose(struct drm_device *dev, struct drm_file *fpriv)
{
	struct nouveau_cli *cli = nouveau_cli(fpriv);
	struct nouveau_drm *drm = nouveau_drm(dev);

	if (cli->abi16)
		nouveau_abi16_fini(cli->abi16);

	mutex_lock(&drm->client.mutex);
	list_del(&cli->head);
	mutex_unlock(&drm->client.mutex);
}

static void
nouveau_drm_postclose(struct drm_device *dev, struct drm_file *fpriv)
{
	struct nouveau_cli *cli = nouveau_cli(fpriv);
	nouveau_cli_destroy(cli);
}

static struct drm_ioctl_desc
nouveau_ioctls[] = {
	DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM, nouveau_abi16_ioctl_getparam, DRM_UNLOCKED|DRM_AUTH),
	DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM, nouveau_abi16_ioctl_setparam, DRM_UNLOCKED|DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
	DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC, nouveau_abi16_ioctl_channel_alloc, DRM_UNLOCKED|DRM_AUTH),
	DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE, nouveau_abi16_ioctl_channel_free, DRM_UNLOCKED|DRM_AUTH),
	DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC, nouveau_abi16_ioctl_grobj_alloc, DRM_UNLOCKED|DRM_AUTH),
	DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC, nouveau_abi16_ioctl_notifierobj_alloc, DRM_UNLOCKED|DRM_AUTH),
	DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE, nouveau_abi16_ioctl_gpuobj_free, DRM_UNLOCKED|DRM_AUTH),
	DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_UNLOCKED|DRM_AUTH),
	DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_UNLOCKED|DRM_AUTH),
	DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_UNLOCKED|DRM_AUTH),
	DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_UNLOCKED|DRM_AUTH),
	DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_UNLOCKED|DRM_AUTH),
};

static const struct file_operations
nouveau_driver_fops = {
	.owner = THIS_MODULE,
	.open = drm_open,
	.release = drm_release,
	.unlocked_ioctl = drm_ioctl,
	.mmap = nouveau_ttm_mmap,
	.poll = drm_poll,
	.fasync = drm_fasync,
	.read = drm_read,
#if defined(CONFIG_COMPAT)
	.compat_ioctl = nouveau_compat_ioctl,
#endif
	.llseek = noop_llseek,
};

static struct drm_driver
driver = {
	.driver_features =
		DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_SG |
		DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM |
		DRIVER_MODESET | DRIVER_PRIME,

	.load = nouveau_drm_load,
	.unload = nouveau_drm_unload,
	.open = nouveau_drm_open,
	.preclose = nouveau_drm_preclose,
	.postclose = nouveau_drm_postclose,
	.lastclose = nouveau_vga_lastclose,

	.irq_preinstall = nouveau_irq_preinstall,
	.irq_postinstall = nouveau_irq_postinstall,
	.irq_uninstall = nouveau_irq_uninstall,
	.irq_handler = nouveau_irq_handler,

	.get_vblank_counter = drm_vblank_count,
	.enable_vblank = nouveau_vblank_enable,
	.disable_vblank = nouveau_vblank_disable,

	.ioctls = nouveau_ioctls,
	.fops = &nouveau_driver_fops,

	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
	.gem_prime_export = nouveau_gem_prime_export,
	.gem_prime_import = nouveau_gem_prime_import,

	.gem_init_object = nouveau_gem_object_new,
	.gem_free_object = nouveau_gem_object_del,
	.gem_open_object = nouveau_gem_object_open,
	.gem_close_object = nouveau_gem_object_close,

	.dumb_create = nouveau_display_dumb_create,
	.dumb_map_offset = nouveau_display_dumb_map_offset,
	.dumb_destroy = nouveau_display_dumb_destroy,

	.name = DRIVER_NAME,
	.desc = DRIVER_DESC,
#ifdef GIT_REVISION
	.date = GIT_REVISION,
#else
	.date = DRIVER_DATE,
#endif
	.major = DRIVER_MAJOR,
	.minor = DRIVER_MINOR,
	.patchlevel = DRIVER_PATCHLEVEL,
};

static struct pci_device_id
nouveau_drm_pci_table[] = {
	{
		PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
		.class = PCI_BASE_CLASS_DISPLAY << 16,
		.class_mask  = 0xff << 16,
	},
	{
		PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID),
		.class = PCI_BASE_CLASS_DISPLAY << 16,
		.class_mask  = 0xff << 16,
	},
	{}
};

static struct pci_driver
nouveau_drm_pci_driver = {
	.name = "nouveau",
	.id_table = nouveau_drm_pci_table,
	.probe = nouveau_drm_probe,
	.remove = nouveau_drm_remove,
	.suspend = nouveau_drm_suspend,
	.resume = nouveau_drm_resume,
};

static int __init
nouveau_drm_init(void)
{
	driver.num_ioctls = ARRAY_SIZE(nouveau_ioctls);

	if (nouveau_modeset == -1) {
#ifdef CONFIG_VGA_CONSOLE
		if (vgacon_text_force())
			nouveau_modeset = 0;
		else
#endif
			nouveau_modeset = 1;
	}

	if (!nouveau_modeset)
		return 0;

	nouveau_register_dsm_handler();
	return drm_pci_init(&driver, &nouveau_drm_pci_driver);
}

static void __exit
nouveau_drm_exit(void)
{
	if (!nouveau_modeset)
		return;

	drm_pci_exit(&driver, &nouveau_drm_pci_driver);
	nouveau_unregister_dsm_handler();
}

module_init(nouveau_drm_init);
module_exit(nouveau_drm_exit);

MODULE_DEVICE_TABLE(pci, nouveau_drm_pci_table);
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL and additional rights");
Commit	Line	Data
94580299 BS	1	/*
	2	* Copyright 2012 Red Hat Inc.
	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 shall be included in
	12	* all copies or substantial portions of the Software.
	13	*
	14	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	15	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	16	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	17	* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
	18	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
	19	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
	20	* OTHER DEALINGS IN THE SOFTWARE.
	21	*
	22	* Authors: Ben Skeggs
	23	*/
	24
77145f1c	25	#include <linux/console.h>
94580299 BS	26	#include <linux/module.h>
	27	#include <linux/pci.h>
	28
	29	#include <core/device.h>
	30	#include <core/client.h>
ebb945a9	31	#include <core/gpuobj.h>
94580299 BS	32	#include <core/class.h>
	33
	34	#include <subdev/device.h>
ebb945a9	35	#include <subdev/vm.h>
94580299 BS	36
94580299 BS	37	#include "nouveau_drm.h"
77145f1c	38	#include "nouveau_irq.h"
ebb945a9	39	#include "nouveau_dma.h"
77145f1c BS	40	#include "nouveau_ttm.h"
77145f1c BS	41	#include "nouveau_gem.h"
cb75d97e	42	#include "nouveau_agp.h"
77145f1c BS	43	#include "nouveau_vga.h"
	44	#include "nouveau_pm.h"
	45	#include "nouveau_acpi.h"
	46	#include "nouveau_bios.h"
	47	#include "nouveau_ioctl.h"
ebb945a9 BS	48	#include "nouveau_abi16.h"
	49	#include "nouveau_fbcon.h"
	50	#include "nouveau_fence.h"
	51
	52	#include "nouveau_ttm.h"
94580299	53
94580299 BS	54	MODULE_PARM_DESC(config, "option string to pass to driver core");
	55	static char *nouveau_config;
	56	module_param_named(config, nouveau_config, charp, 0400);
	57
	58	MODULE_PARM_DESC(debug, "debug string to pass to driver core");
	59	static char *nouveau_debug;
	60	module_param_named(debug, nouveau_debug, charp, 0400);
	61
ebb945a9 BS	62	MODULE_PARM_DESC(noaccel, "disable kernel/abi16 acceleration");
	63	static int nouveau_noaccel = 0;
	64	module_param_named(noaccel, nouveau_noaccel, int, 0400);
	65
77145f1c	66	MODULE_PARM_DESC(modeset, "enable driver");
5b8a43ae	67	static int nouveau_modeset = -1;
77145f1c BS	68	module_param_named(modeset, nouveau_modeset, int, 0400);
	69
	70	static struct drm_driver driver;
	71
94580299 BS	72	static u64
	73	nouveau_name(struct pci_dev *pdev)
	74	{
	75	u64 name = (u64)pci_domain_nr(pdev->bus) << 32;
	76	name \|= pdev->bus->number << 16;
	77	name \|= PCI_SLOT(pdev->devfn) << 8;
	78	return name \| PCI_FUNC(pdev->devfn);
	79	}
	80
	81	static int
fa6df8c1 BS	82	nouveau_cli_create(struct pci_dev pdev, const char name,
fa6df8c1 BS	83	int size, void **pcli)
94580299 BS	84	{
	85	struct nouveau_cli *cli;
	86	int ret;
	87
	88	ret = nouveau_client_create_(name, nouveau_name(pdev), nouveau_config,
	89	nouveau_debug, size, pcli);
	90	cli = *pcli;
	91	if (ret)
	92	return ret;
	93
	94	mutex_init(&cli->mutex);
	95	return 0;
	96	}
	97
	98	static void
	99	nouveau_cli_destroy(struct nouveau_cli *cli)
	100	{
	101	struct nouveau_object *client = nv_object(cli);
ebb945a9	102	nouveau_vm_ref(NULL, &cli->base.vm, NULL);
94580299 BS	103	nouveau_client_fini(&cli->base, false);
	104	atomic_set(&client->refcount, 1);
	105	nouveau_object_ref(NULL, &client);
	106	}
	107
ebb945a9 BS	108	static void
	109	nouveau_accel_fini(struct nouveau_drm *drm)
	110	{
	111	nouveau_gpuobj_ref(NULL, &drm->notify);
	112	nouveau_channel_del(&drm->channel);
49981046	113	nouveau_channel_del(&drm->cechan);
ebb945a9 BS	114	if (drm->fence)
	115	nouveau_fence(drm)->dtor(drm);
	116	}
	117
	118	static void
	119	nouveau_accel_init(struct nouveau_drm *drm)
	120	{
	121	struct nouveau_device *device = nv_device(drm->device);
	122	struct nouveau_object *object;
49981046	123	u32 arg0, arg1;
ebb945a9 BS	124	int ret;
	125
	126	if (nouveau_noaccel)
	127	return;
	128
	129	/* initialise synchronisation routines */
	130	if (device->card_type < NV_10) ret = nv04_fence_create(drm);
	131	else if (device->chipset < 0x84) ret = nv10_fence_create(drm);
	132	else if (device->card_type < NV_C0) ret = nv84_fence_create(drm);
	133	else ret = nvc0_fence_create(drm);
	134	if (ret) {
	135	NV_ERROR(drm, "failed to initialise sync subsystem, %d\n", ret);
	136	nouveau_accel_fini(drm);
	137	return;
	138	}
	139
49981046 BS	140	if (device->card_type >= NV_E0) {
	141	ret = nouveau_channel_new(drm, &drm->client, NVDRM_DEVICE,
	142	NVDRM_CHAN + 1,
	143	NVE0_CHANNEL_IND_ENGINE_CE0 \|
	144	NVE0_CHANNEL_IND_ENGINE_CE1, 0,
	145	&drm->cechan);
	146	if (ret)
	147	NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
	148
	149	arg0 = NVE0_CHANNEL_IND_ENGINE_GR;
	150	arg1 = 0;
	151	} else {
	152	arg0 = NvDmaFB;
	153	arg1 = NvDmaTT;
	154	}
	155
ebb945a9	156	ret = nouveau_channel_new(drm, &drm->client, NVDRM_DEVICE, NVDRM_CHAN,
49981046	157	arg0, arg1, &drm->channel);
ebb945a9 BS	158	if (ret) {
	159	NV_ERROR(drm, "failed to create kernel channel, %d\n", ret);
	160	nouveau_accel_fini(drm);
	161	return;
	162	}
	163
	164	if (device->card_type < NV_C0) {
	165	ret = nouveau_gpuobj_new(drm->device, NULL, 32, 0, 0,
	166	&drm->notify);
	167	if (ret) {
	168	NV_ERROR(drm, "failed to allocate notifier, %d\n", ret);
	169	nouveau_accel_fini(drm);
	170	return;
	171	}
	172
	173	ret = nouveau_object_new(nv_object(drm),
	174	drm->channel->handle, NvNotify0,
	175	0x003d, &(struct nv_dma_class) {
	176	.flags = NV_DMA_TARGET_VRAM \|
	177	NV_DMA_ACCESS_RDWR,
	178	.start = drm->notify->addr,
	179	.limit = drm->notify->addr + 31
	180	}, sizeof(struct nv_dma_class),
	181	&object);
	182	if (ret) {
	183	nouveau_accel_fini(drm);
	184	return;
	185	}
	186	}
	187
	188
49981046	189	nouveau_bo_move_init(drm);
ebb945a9 BS	190	}
ebb945a9 BS	191
94580299 BS	192	static int __devinit
	193	nouveau_drm_probe(struct pci_dev pdev, const struct pci_device_id pent)
	194	{
	195	struct nouveau_device *device;
ebb945a9 BS	196	struct apertures_struct *aper;
ebb945a9 BS	197	bool boot = false;
94580299 BS	198	int ret;
94580299 BS	199
ebb945a9 BS	200	/* remove conflicting drivers (vesafb, efifb etc) */
	201	aper = alloc_apertures(3);
	202	if (!aper)
	203	return -ENOMEM;
	204
	205	aper->ranges[0].base = pci_resource_start(pdev, 1);
	206	aper->ranges[0].size = pci_resource_len(pdev, 1);
	207	aper->count = 1;
	208
	209	if (pci_resource_len(pdev, 2)) {
	210	aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
	211	aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
	212	aper->count++;
	213	}
	214
	215	if (pci_resource_len(pdev, 3)) {
	216	aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
	217	aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
	218	aper->count++;
	219	}
	220
	221	#ifdef CONFIG_X86
	222	boot = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
	223	#endif
	224	remove_conflicting_framebuffers(aper, "nouveaufb", boot);
	225
94580299 BS	226	ret = nouveau_device_create(pdev, nouveau_name(pdev), pci_name(pdev),
	227	nouveau_config, nouveau_debug, &device);
	228	if (ret)
	229	return ret;
	230
	231	pci_set_master(pdev);
	232
77145f1c	233	ret = drm_get_pci_dev(pdev, pent, &driver);
94580299	234	if (ret) {
ebb945a9	235	nouveau_object_ref(NULL, (struct nouveau_object **)&device);
94580299 BS	236	return ret;
	237	}
	238
	239	return 0;
	240	}
	241
5b8a43ae	242	static int
94580299 BS	243	nouveau_drm_load(struct drm_device *dev, unsigned long flags)
	244	{
	245	struct pci_dev *pdev = dev->pdev;
ebb945a9	246	struct nouveau_device *device;
94580299 BS	247	struct nouveau_drm *drm;
	248	int ret;
	249
fa6df8c1	250	ret = nouveau_cli_create(pdev, "DRM", sizeof(drm), (void*)&drm);
94580299 BS	251	if (ret)
	252	return ret;
	253
77145f1c BS	254	dev->dev_private = drm;
	255	drm->dev = dev;
	256
94580299	257	INIT_LIST_HEAD(&drm->clients);
ebb945a9	258	spin_lock_init(&drm->tile.lock);
94580299	259
cb75d97e BS	260	/* make sure AGP controller is in a consistent state before we
	261	* (possibly) execute vbios init tables (see nouveau_agp.h)
	262	*/
	263	if (drm_pci_device_is_agp(dev) && dev->agp) {
	264	/* dummy device object, doesn't init anything, but allows
	265	* agp code access to registers
	266	*/
	267	ret = nouveau_object_new(nv_object(drm), NVDRM_CLIENT,
	268	NVDRM_DEVICE, 0x0080,
	269	&(struct nv_device_class) {
	270	.device = ~0,
	271	.disable =
	272	~(NV_DEVICE_DISABLE_MMIO \|
	273	NV_DEVICE_DISABLE_IDENTIFY),
	274	.debug0 = ~0,
	275	}, sizeof(struct nv_device_class),
	276	&drm->device);
	277	if (ret)
ebb945a9	278	goto fail_device;
cb75d97e BS	279
	280	nouveau_agp_reset(drm);
	281	nouveau_object_del(nv_object(drm), NVDRM_CLIENT, NVDRM_DEVICE);
	282	}
	283
94580299 BS	284	ret = nouveau_object_new(nv_object(drm), NVDRM_CLIENT, NVDRM_DEVICE,
	285	0x0080, &(struct nv_device_class) {
	286	.device = ~0,
	287	.disable = 0,
	288	.debug0 = 0,
	289	}, sizeof(struct nv_device_class),
	290	&drm->device);
	291	if (ret)
	292	goto fail_device;
	293
77145f1c BS	294	/* workaround an odd issue on nvc1 by disabling the device's
	295	* nosnoop capability. hopefully won't cause issues until a
	296	* better fix is found - assuming there is one...
	297	*/
ebb945a9	298	device = nv_device(drm->device);
77145f1c BS	299	if (nv_device(drm->device)->chipset == 0xc1)
77145f1c BS	300	nv_mask(device, 0x00088080, 0x00000800, 0x00000000);
ebb945a9	301
77145f1c	302	nouveau_vga_init(drm);
cb75d97e BS	303	nouveau_agp_init(drm);
cb75d97e BS	304
ebb945a9 BS	305	if (device->card_type >= NV_50) {
	306	ret = nouveau_vm_new(nv_device(drm->device), 0, (1ULL << 40),
	307	0x1000, &drm->client.base.vm);
	308	if (ret)
	309	goto fail_device;
	310	}
	311
	312	ret = nouveau_ttm_init(drm);
94580299	313	if (ret)
77145f1c BS	314	goto fail_ttm;
	315
	316	ret = nouveau_bios_init(dev);
	317	if (ret)
	318	goto fail_bios;
	319
	320	ret = nouveau_irq_init(dev);
	321	if (ret)
	322	goto fail_irq;
94580299	323
77145f1c	324	ret = nouveau_display_create(dev);
ebb945a9	325	if (ret)
77145f1c BS	326	goto fail_dispctor;
	327
	328	if (dev->mode_config.num_crtc) {
	329	ret = nouveau_display_init(dev);
	330	if (ret)
	331	goto fail_dispinit;
	332	}
	333
	334	nouveau_pm_init(dev);
ebb945a9 BS	335
	336	nouveau_accel_init(drm);
	337	nouveau_fbcon_init(dev);
94580299 BS	338	return 0;
94580299 BS	339
77145f1c BS	340	fail_dispinit:
	341	nouveau_display_destroy(dev);
	342	fail_dispctor:
	343	nouveau_irq_fini(dev);
	344	fail_irq:
	345	nouveau_bios_takedown(dev);
	346	fail_bios:
ebb945a9	347	nouveau_ttm_fini(drm);
77145f1c BS	348	fail_ttm:
	349	nouveau_agp_fini(drm);
	350	nouveau_vga_fini(drm);
94580299 BS	351	fail_device:
	352	nouveau_cli_destroy(&drm->client);
	353	return ret;
	354	}
	355
5b8a43ae	356	static int
94580299 BS	357	nouveau_drm_unload(struct drm_device *dev)
94580299 BS	358	{
77145f1c	359	struct nouveau_drm *drm = nouveau_drm(dev);
94580299	360
ebb945a9 BS	361	nouveau_fbcon_fini(dev);
	362	nouveau_accel_fini(drm);
	363
77145f1c BS	364	nouveau_pm_fini(dev);
	365
	366	nouveau_display_fini(dev);
	367	nouveau_display_destroy(dev);
	368
	369	nouveau_irq_fini(dev);
	370	nouveau_bios_takedown(dev);
94580299	371
ebb945a9	372	nouveau_ttm_fini(drm);
cb75d97e	373	nouveau_agp_fini(drm);
77145f1c	374	nouveau_vga_fini(drm);
cb75d97e	375
94580299 BS	376	nouveau_cli_destroy(&drm->client);
	377	return 0;
	378	}
	379
	380	static void
	381	nouveau_drm_remove(struct pci_dev *pdev)
	382	{
77145f1c BS	383	struct drm_device *dev = pci_get_drvdata(pdev);
77145f1c BS	384	struct nouveau_drm *drm = nouveau_drm(dev);
ebb945a9	385	struct nouveau_object *device;
77145f1c BS	386
	387	device = drm->client.base.device;
	388	drm_put_dev(dev);
	389
ebb945a9 BS	390	nouveau_object_ref(NULL, &device);
ebb945a9 BS	391	nouveau_object_debug();
94580299 BS	392	}
	393
	394	int
	395	nouveau_drm_suspend(struct pci_dev *pdev, pm_message_t pm_state)
	396	{
	397	struct drm_device *dev = pci_get_drvdata(pdev);
77145f1c	398	struct nouveau_drm *drm = nouveau_drm(dev);
94580299 BS	399	struct nouveau_cli *cli;
	400	int ret;
	401
	402	if (dev->switch_power_state == DRM_SWITCH_POWER_OFF \|\|
	403	pm_state.event == PM_EVENT_PRETHAW)
	404	return 0;
	405
ebb945a9 BS	406	NV_INFO(drm, "suspending fbcon...\n");
	407	nouveau_fbcon_set_suspend(dev, 1);
	408
77145f1c BS	409	NV_INFO(drm, "suspending display...\n");
77145f1c BS	410	ret = nouveau_display_suspend(dev);
94580299 BS	411	if (ret)
	412	return ret;
	413
ebb945a9 BS	414	NV_INFO(drm, "evicting buffers...\n");
	415	ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM);
	416
	417	if (drm->fence && nouveau_fence(drm)->suspend) {
	418	if (!nouveau_fence(drm)->suspend(drm))
	419	return -ENOMEM;
	420	}
	421
	422	NV_INFO(drm, "suspending client object trees...\n");
94580299 BS	423	list_for_each_entry(cli, &drm->clients, head) {
	424	ret = nouveau_client_fini(&cli->base, true);
	425	if (ret)
	426	goto fail_client;
	427	}
	428
	429	ret = nouveau_client_fini(&drm->client.base, true);
	430	if (ret)
	431	goto fail_client;
	432
cb75d97e BS	433	nouveau_agp_fini(drm);
cb75d97e BS	434
94580299 BS	435	pci_save_state(pdev);
	436	if (pm_state.event == PM_EVENT_SUSPEND) {
	437	pci_disable_device(pdev);
	438	pci_set_power_state(pdev, PCI_D3hot);
	439	}
	440
	441	return 0;
	442
	443	fail_client:
	444	list_for_each_entry_continue_reverse(cli, &drm->clients, head) {
	445	nouveau_client_init(&cli->base);
	446	}
	447
77145f1c BS	448	NV_INFO(drm, "resuming display...\n");
77145f1c BS	449	nouveau_display_resume(dev);
94580299 BS	450	return ret;
	451	}
	452
	453	int
	454	nouveau_drm_resume(struct pci_dev *pdev)
	455	{
	456	struct drm_device *dev = pci_get_drvdata(pdev);
77145f1c	457	struct nouveau_drm *drm = nouveau_drm(dev);
94580299 BS	458	struct nouveau_cli *cli;
	459	int ret;
	460
	461	if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
	462	return 0;
	463
ebb945a9	464	NV_INFO(drm, "re-enabling device...\n");
94580299 BS	465	pci_set_power_state(pdev, PCI_D0);
	466	pci_restore_state(pdev);
	467	ret = pci_enable_device(pdev);
	468	if (ret)
	469	return ret;
	470	pci_set_master(pdev);
	471
cb75d97e BS	472	nouveau_agp_reset(drm);
cb75d97e BS	473
ebb945a9	474	NV_INFO(drm, "resuming client object trees...\n");
94580299	475	nouveau_client_init(&drm->client.base);
ebb945a9	476	nouveau_agp_init(drm);
94580299 BS	477
	478	list_for_each_entry(cli, &drm->clients, head) {
	479	nouveau_client_init(&cli->base);
	480	}
cb75d97e	481
ebb945a9 BS	482	if (drm->fence && nouveau_fence(drm)->resume)
ebb945a9 BS	483	nouveau_fence(drm)->resume(drm);
94580299	484
77145f1c BS	485	nouveau_run_vbios_init(dev);
	486	nouveau_irq_postinstall(dev);
	487	nouveau_pm_resume(dev);
	488
	489	NV_INFO(drm, "resuming display...\n");
	490	nouveau_display_resume(dev);
	491	return 0;
94580299 BS	492	}
94580299 BS	493
5b8a43ae	494	static int
ebb945a9 BS	495	nouveau_drm_open(struct drm_device dev, struct drm_file fpriv)
	496	{
	497	struct pci_dev *pdev = dev->pdev;
	498	struct nouveau_drm *drm = nouveau_drm(dev);
	499	struct nouveau_cli *cli;
fa6df8c1	500	char name[16];
ebb945a9 BS	501	int ret;
ebb945a9 BS	502
612a9aab	503	snprintf(name, sizeof(name), "%d", pid_nr(fpriv->pid));
fa6df8c1 BS	504
fa6df8c1 BS	505	ret = nouveau_cli_create(pdev, name, sizeof(cli), (void *)&cli);
ebb945a9 BS	506	if (ret)
	507	return ret;
	508
	509	if (nv_device(drm->device)->card_type >= NV_50) {
	510	ret = nouveau_vm_new(nv_device(drm->device), 0, (1ULL << 40),
	511	0x1000, &cli->base.vm);
	512	if (ret) {
	513	nouveau_cli_destroy(cli);
	514	return ret;
	515	}
	516	}
	517
	518	fpriv->driver_priv = cli;
	519
	520	mutex_lock(&drm->client.mutex);
	521	list_add(&cli->head, &drm->clients);
	522	mutex_unlock(&drm->client.mutex);
	523	return 0;
	524	}
	525
5b8a43ae	526	static void
ebb945a9 BS	527	nouveau_drm_preclose(struct drm_device dev, struct drm_file fpriv)
	528	{
	529	struct nouveau_cli *cli = nouveau_cli(fpriv);
	530	struct nouveau_drm *drm = nouveau_drm(dev);
	531
	532	if (cli->abi16)
	533	nouveau_abi16_fini(cli->abi16);
	534
	535	mutex_lock(&drm->client.mutex);
	536	list_del(&cli->head);
	537	mutex_unlock(&drm->client.mutex);
	538	}
	539
5b8a43ae	540	static void
ebb945a9 BS	541	nouveau_drm_postclose(struct drm_device dev, struct drm_file fpriv)
	542	{
	543	struct nouveau_cli *cli = nouveau_cli(fpriv);
	544	nouveau_cli_destroy(cli);
	545	}
	546
77145f1c BS	547	static struct drm_ioctl_desc
	548	nouveau_ioctls[] = {
	549	DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM, nouveau_abi16_ioctl_getparam, DRM_UNLOCKED\|DRM_AUTH),
	550	DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM, nouveau_abi16_ioctl_setparam, DRM_UNLOCKED\|DRM_AUTH\|DRM_MASTER\|DRM_ROOT_ONLY),
	551	DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC, nouveau_abi16_ioctl_channel_alloc, DRM_UNLOCKED\|DRM_AUTH),
	552	DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE, nouveau_abi16_ioctl_channel_free, DRM_UNLOCKED\|DRM_AUTH),
	553	DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC, nouveau_abi16_ioctl_grobj_alloc, DRM_UNLOCKED\|DRM_AUTH),
	554	DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC, nouveau_abi16_ioctl_notifierobj_alloc, DRM_UNLOCKED\|DRM_AUTH),
	555	DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE, nouveau_abi16_ioctl_gpuobj_free, DRM_UNLOCKED\|DRM_AUTH),
	556	DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_UNLOCKED\|DRM_AUTH),
	557	DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_UNLOCKED\|DRM_AUTH),
	558	DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_UNLOCKED\|DRM_AUTH),
	559	DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_UNLOCKED\|DRM_AUTH),
	560	DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_UNLOCKED\|DRM_AUTH),
	561	};
	562
	563	static const struct file_operations
	564	nouveau_driver_fops = {
	565	.owner = THIS_MODULE,
	566	.open = drm_open,
	567	.release = drm_release,
	568	.unlocked_ioctl = drm_ioctl,
	569	.mmap = nouveau_ttm_mmap,
	570	.poll = drm_poll,
	571	.fasync = drm_fasync,
	572	.read = drm_read,
	573	#if defined(CONFIG_COMPAT)
	574	.compat_ioctl = nouveau_compat_ioctl,
	575	#endif
	576	.llseek = noop_llseek,
	577	};
	578
	579	static struct drm_driver
	580	driver = {
	581	.driver_features =
	582	DRIVER_USE_AGP \| DRIVER_PCI_DMA \| DRIVER_SG \|
	583	DRIVER_HAVE_IRQ \| DRIVER_IRQ_SHARED \| DRIVER_GEM \|
	584	DRIVER_MODESET \| DRIVER_PRIME,
	585
	586	.load = nouveau_drm_load,
	587	.unload = nouveau_drm_unload,
	588	.open = nouveau_drm_open,
	589	.preclose = nouveau_drm_preclose,
	590	.postclose = nouveau_drm_postclose,
	591	.lastclose = nouveau_vga_lastclose,
	592
	593	.irq_preinstall = nouveau_irq_preinstall,
	594	.irq_postinstall = nouveau_irq_postinstall,
	595	.irq_uninstall = nouveau_irq_uninstall,
	596	.irq_handler = nouveau_irq_handler,
	597
	598	.get_vblank_counter = drm_vblank_count,
	599	.enable_vblank = nouveau_vblank_enable,
	600	.disable_vblank = nouveau_vblank_disable,
	601
	602	.ioctls = nouveau_ioctls,
	603	.fops = &nouveau_driver_fops,
	604
	605	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
	606	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
	607	.gem_prime_export = nouveau_gem_prime_export,
	608	.gem_prime_import = nouveau_gem_prime_import,
	609
	610	.gem_init_object = nouveau_gem_object_new,
611	.gem_free_object = nouveau_gem_object_del,
612	.gem_open_object = nouveau_gem_object_open,
613	.gem_close_object = nouveau_gem_object_close,
614
615	.dumb_create = nouveau_display_dumb_create,
616	.dumb_map_offset = nouveau_display_dumb_map_offset,
617	.dumb_destroy = nouveau_display_dumb_destroy,
618
619	.name = DRIVER_NAME,
620	.desc = DRIVER_DESC,
621	#ifdef GIT_REVISION
622	.date = GIT_REVISION,
623	#else
624	.date = DRIVER_DATE,
625	#endif
626	.major = DRIVER_MAJOR,
627	.minor = DRIVER_MINOR,
628	.patchlevel = DRIVER_PATCHLEVEL,
629	};
630
94580299 BS	631	static struct pci_device_id
	632	nouveau_drm_pci_table[] = {
	633	{
	634	PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
	635	.class = PCI_BASE_CLASS_DISPLAY << 16,
	636	.class_mask = 0xff << 16,
	637	},
	638	{
	639	PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID),
	640	.class = PCI_BASE_CLASS_DISPLAY << 16,
	641	.class_mask = 0xff << 16,
	642	},
	643	{}
	644	};
	645
	646	static struct pci_driver
	647	nouveau_drm_pci_driver = {
	648	.name = "nouveau",
	649	.id_table = nouveau_drm_pci_table,
	650	.probe = nouveau_drm_probe,
	651	.remove = nouveau_drm_remove,
	652	.suspend = nouveau_drm_suspend,
	653	.resume = nouveau_drm_resume,
	654	};
	655
	656	static int __init
	657	nouveau_drm_init(void)
	658	{
77145f1c BS	659	driver.num_ioctls = ARRAY_SIZE(nouveau_ioctls);
	660
	661	if (nouveau_modeset == -1) {
	662	#ifdef CONFIG_VGA_CONSOLE
	663	if (vgacon_text_force())
	664	nouveau_modeset = 0;
	665	else
	666	#endif
	667	nouveau_modeset = 1;
	668	}
	669
	670	if (!nouveau_modeset)
	671	return 0;
	672
	673	nouveau_register_dsm_handler();
	674	return drm_pci_init(&driver, &nouveau_drm_pci_driver);
94580299 BS	675	}
	676
	677	static void __exit
	678	nouveau_drm_exit(void)
	679	{
77145f1c BS	680	if (!nouveau_modeset)
	681	return;
	682
	683	drm_pci_exit(&driver, &nouveau_drm_pci_driver);
	684	nouveau_unregister_dsm_handler();
94580299 BS	685	}
	686
	687	module_init(nouveau_drm_init);
	688	module_exit(nouveau_drm_exit);
	689
	690	MODULE_DEVICE_TABLE(pci, nouveau_drm_pci_table);
77145f1c BS	691	MODULE_AUTHOR(DRIVER_AUTHOR);
77145f1c BS	692	MODULE_DESCRIPTION(DRIVER_DESC);
94580299	693	MODULE_LICENSE("GPL and additional rights");