index : renesas/drm.git	android live master
	libdrm, cloned from git://anongit.freedesktop.org/mesa/drm	Laurent Pinchart

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log msg author committer range

path: root/shared-core

Age	Commit message (Expand)	Author
2006-08-30	Buffer object reply fill in.	Thomas Hellstrom
2006-08-30	Add stub {get,set}param ioctls.	Ben Skeggs
2006-08-29	Part of buffer object libdrm interface.	Thomas Hellstrom
2006-08-29	Checkpoint commit. Buffer object flags and IOCTL argument list.	Thomas Hellstrom
2006-08-29	Checkpoint ttm addition to buffer objects.	Thomas Hellstrom
2006-08-29	64-bit IOCTL integer (Michel Dänzer & Brian Paul)	Thomas Hellstrom
2006-08-28	Buffer object creation.	Thomas Hellstrom
2006-08-28	Proper TTM dereferencing	Thomas Hellstrom
2006-08-29	Merge branch 'master' into nouveau-1	Dave Airlie
2006-08-28	Add a 64-bit drm unsigned type for 64-bit clean IOCTLS.	Thomas Hellstrom
2006-08-28	Merge branch 'master' of git+ssh://git.freedesktop.org/git/mesa/drm into drm-...	Thomas Hellstrom
2006-08-28	drm: lots of small cleanups and whitespace issues fixed up	Dave Airlie
2006-08-27	Initialize i915 saved flush flags.	Thomas Hellstrom
2006-08-27	Remove the ioctl multiplexing, and instead allow for generic	Thomas Hellstrom
2006-08-27	ttm create / destroy / ref / unref ioctl.	Thomas Hellstrom
2006-08-27	add pci ids for nouveau	Dave Airlie
2006-08-27	initial import of nouveau code from nouveau CVS	Dave Airlie
2006-08-26	Bug #7595: Avoid u32 overflows in radeon_check_and_fixup_offset().	Michel Dänzer
2006-08-25	More ioctl stubs.	Thomas Hellstrom
2006-08-25	ttm and buffer objects ioctl stubs.	Thomas Hellstrom
2006-08-25	Checkpoint commit	Thomas Hellstrom
2006-08-22	Add a fence object class field for future use (For example VSYNC fence objects)	Thomas Hellstrom
2006-08-22	Initial i915 buffer object driver	Thomas Hellstrom
2006-08-22	Bring in stripped TTM functionality.	Thomas Hellstrom
2006-08-21	i915 fence object driver implementing 2 fence object types:	Thomas Hellstrom
2006-08-21	User / Kernel space fence objects (device-independent part).	Thomas Hellstrom
2006-08-19	drm: lots of small cleanups and whitespace issues fixed up	Dave Airlie
2006-08-10	i965 code and Linux coding style < 0	Dave Airlie
2006-08-08	Add support for Intel i965G chipsets.	Alan Hourihane
2006-07-26	Revert "Make sure busmastering gets disabled on module unload."	Michel Dänzer
2006-07-26	Bug #7629: Fix for CHIP_IS_AGP getting 'restored' with non-AGP cards	Michel Dänzer
2006-07-19	Make sure busmastering gets disabled on module unload.	Adam Jackson
2006-07-19	Use RADEON_RB3D_DSTCACHE_CTLSTAT instead of RADEON_RB2D_DSTCACHE_CTLSTAT.	Michel Dänzer
2006-07-19	Make sure CHIP_IS_AGP flag is set when not overriding to PCI mode.	Michel Dänzer
2006-07-19	When writeback isn't used, actually disable it in the hardware.	Michel Dänzer
2006-07-19	Implement RADEON_PARAM_SCRATCH_OFFSET getparam.	Michel Dänzer
2006-07-19	Some debug output when the getparam ioctl is called with an unknown parameter.	Michel Dänzer
2006-07-19	.cvsignore -> .gitignore	Michel Dänzer
2006-07-11	Keep hashed user tokens, with the following changes:	Thomas Hellstrom
2006-07-10	Change drm Map handles to be arbitrary 32-bit hash tokens in the range	Thomas Hellstrom
2006-07-05	SiS 315 Awareness.	Thomas Hellstrom
2006-06-22	Remove spurious debug messages from i915 vblank config paths	Keith Packard
2006-06-21	i915: Save vblank pipe configuration to restore on resume	Keith Packard
2006-06-19	Add i915 ioctls to configure pipes for vblank interrupt.	Keith Packard
2006-06-19	Fix buffer cleanup on close. Move memory manager reset from final_context	Thomas Hellstrom
2006-06-19	via: Bump version number and date.	Thomas Hellstrom
2006-06-15	via:	Thomas Hellstrom
2006-06-06	Merge in the drm-sman-branch	Thomas Hellstrom
2006-05-24	Add support for r200 vertex programs (R200_EMIT_VAP_PVS_CNTL, and new	Roland Scheidegger
2006-05-20	add forgotten register define for previous commit	Roland Scheidegger

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generated by cgit v1.2.3 (git 2.25.1) at 2025-08-19 20:50:42 +0000

/*
 * Copyright 2005 Stephane Marchesin
 * All Rights Reserved.
 *
 * 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
 * PRECISION INSIGHT AND/OR ITS SUPPLIERS 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.
 */

#include "drmP.h"
#include "drm.h"
#include "drm_sarea.h"
#include "nouveau_drv.h"
#include "nouveau_drm.h"

static int nouveau_init_card_mappings(struct drm_device *dev)
{
	struct drm_nouveau_private *dev_priv = dev->dev_private;
	int ret;

	/* resource 0 is mmio regs */
	/* resource 1 is linear FB */
	/* resource 2 is RAMIN (mmio regs + 0x1000000) */
	/* resource 6 is bios */

	/* map the mmio regs */
	ret = drm_addmap(dev, drm_get_resource_start(dev, 0),
			      drm_get_resource_len(dev, 0),
			      _DRM_REGISTERS, _DRM_READ_ONLY, &dev_priv->mmio);
	if (ret) {
		DRM_ERROR("Unable to initialize the mmio mapping (%d). "
			  "Please report your setup to " DRIVER_EMAIL "\n",
			  ret);
		return 1;
	}
	DRM_DEBUG("regs mapped ok at 0x%lx\n", dev_priv->mmio->offset);

	/* map larger RAMIN aperture on NV40 cards */
	dev_priv->ramin = NULL;
	if (dev_priv->card_type >= NV_40) {
		int ramin_resource = 2;
		if (drm_get_resource_len(dev, ramin_resource) == 0)
			ramin_resource = 3;

		ret = drm_addmap(dev,
				 drm_get_resource_start(dev, ramin_resource),
				 drm_get_resource_len(dev, ramin_resource),
				 _DRM_REGISTERS, _DRM_READ_ONLY,
				 &dev_priv->ramin);
		if (ret) {
			DRM_ERROR("Failed to init RAMIN mapping, "
				  "limited instance memory available\n");
			dev_priv->ramin = NULL;
		}
	}

	/* On older cards (or if the above failed), create a map covering
	 * the BAR0 PRAMIN aperture */
	if (!dev_priv->ramin) {
		ret = drm_addmap(dev,
				 drm_get_resource_start(dev, 0) + NV_RAMIN,
				 (1*1024*1024),
				 _DRM_REGISTERS, _DRM_READ_ONLY,
				 &dev_priv->ramin);
		if (ret) {
			DRM_ERROR("Failed to map BAR0 PRAMIN: %d\n", ret);
			return ret;
		}
	}

	return 0;
}

static int nouveau_stub_init(struct drm_device *dev) { return 0; }
static void nouveau_stub_takedown(struct drm_device *dev) {}

static int nouveau_init_engine_ptrs(struct drm_device *dev)
{
	struct drm_nouveau_private *dev_priv = dev->dev_private;
	struct nouveau_engine *engine = &dev_priv->Engine;

	switch (dev_priv->chipset & 0xf0) {
	case 0x00:
		engine->instmem.init	= nv04_instmem_init;
		engine->instmem.takedown= nv04_instmem_takedown;
		engine->instmem.populate	= nv04_instmem_populate;
		engine->instmem.clear		= nv04_instmem_clear;
		engine->instmem.bind		= nv04_instmem_bind;
		engine->instmem.unbind		= nv04_instmem_unbind;
		engine->mc.init		= nv04_mc_init;
		engine->mc.takedown	= nv04_mc_takedown;
		engine->timer.init	= nv04_timer_init;
		engine->timer.read	= nv04_timer_read;
		engine->timer.takedown	= nv04_timer_takedown;
		engine->fb.init		= nv04_fb_init;
		engine->fb.takedown	= nv04_fb_takedown;
		engine->graph.init	= nv04_graph_init;
		engine->graph.takedown	= nv04_graph_takedown;
		engine->graph.create_context	= nv04_graph_create_context;
		engine->graph.destroy_context	= nv04_graph_destroy_context;
		engine->graph.load_context	= nv04_graph_load_context;
		engine->graph.save_context	= nv04_graph_save_context;
		engine->fifo.channels	= 16;
		engine->fifo.init	= nouveau_fifo_init;
		engine->fifo.takedown	= nouveau_stub_takedown;
		engine->fifo.channel_id		= nv04_fifo_channel_id;
		engine->fifo.create_context	= nv04_fifo_create_context;
		engine->fifo.destroy_context	= nv04_fifo_destroy_context;
		engine->fifo.load_context	= nv04_fifo_load_context;
		engine->fifo.save_context	= nv04_fifo_save_context;
		break;
	case 0x10:
		engine->instmem.init	= nv04_instmem_init;
		engine->instmem.takedown= nv04_instmem_takedown;
		engine->instmem.populate	= nv04_instmem_populate;
		engine->instmem.clear		= nv04_instmem_clear;
		engine->instmem.bind		= nv04_instmem_bind;
		engine->instmem.unbind		= nv04_instmem_unbind;
		engine->mc.init		= nv04_mc_init;
		engine->mc.takedown	= nv04_mc_takedown;
		engine->timer.init	= nv04_timer_init;
		engine->timer.read	= nv04_timer_read;
		engine->timer.takedown	= nv04_timer_takedown;
		engine->fb.init		= nv10_fb_init;
		engine->fb.takedown	= nv10_fb_takedown;
		engine->graph.init	= nv10_graph_init;
		engine->graph.takedown	= nv10_graph_takedown;
		engine->graph.create_context	= nv10_graph_create_context;
		engine->graph.destroy_context	= nv10_graph_destroy_context;
		engine->graph.load_context	= nv10_graph_load_context;
		engine->graph.save_context	= nv10_graph_save_context;
		engine->fifo.channels	= 32;
		engine->fifo.init	= nouveau_fifo_init;
		engine->fifo.takedown	= nouveau_stub_takedown;
		engine->fifo.channel_id		= nv10_fifo_channel_id;
		engine->fifo.create_context	= nv10_fifo_create_context;
		engine->fifo.destroy_context	= nv10_fifo_destroy_context;
		engine->fifo.load_context	= nv10_fifo_load_context;
		engine->fifo.save_context	= nv10_fifo_save_context;
		break;
	case 0x20:
		engine->instmem.init	= nv04_instmem_init;
		engine->instmem.takedown= nv04_instmem_takedown;
		engine->instmem.populate	= nv04_instmem_populate;
		engine->instmem.clear		= nv04_instmem_clear;
		engine->instmem.bind		= nv04_instmem_bind;
		engine->instmem.unbind		= nv04_instmem_unbind;
		engine->mc.init		= nv04_mc_init;
		engine->mc.takedown	= nv04_mc_takedown;
		engine->timer.init	= nv04_timer_init;
		engine->timer.read	= nv04_timer_read;
		engine->timer.takedown	= nv04_timer_takedown;
		engine->fb.init		= nv10_fb_init;
		engine->fb.takedown	= nv10_fb_takedown;
		engine->graph.init	= nv20_graph_init;
		engine->graph.takedown	= nv20_graph_takedown;
		engine->graph.create_context	= nv20_graph_create_context;
		engine->graph.destroy_context	= nv20_graph_destroy_context;
		engine->graph.load_context	= nv20_graph_load_context;
		engine->graph.save_context	= nv20_graph_save_context;
		engine->fifo.channels	= 32;
		engine->fifo.init	= nouveau_fifo_init;
		engine->fifo.takedown	= nouveau_stub_takedown;
		engine->fifo.channel_id		= nv10_fifo_channel_id;
		engine->fifo.create_context	= nv10_fifo_create_context;
		engine->fifo.destroy_context	= nv10_fifo_destroy_context;
		engine->fifo.load_context	= nv10_fifo_load_context;
		engine->fifo.save_context	= nv10_fifo_save_context;
		break;
	case 0x30:
		engine->instmem.init	= nv04_instmem_init;
		engine->instmem.takedown= nv04_instmem_takedown;
		engine->instmem.populate	= nv04_instmem_populate;
		engine->instmem.clear		= nv04_instmem_clear;
		engine->instmem.bind		= nv04_instmem_bind;
		engine->instmem.unbind		= nv04_instmem_unbind;
		engine->mc.init		= nv04_mc_init;
		engine->mc.takedown	= nv04_mc_takedown;
		engine->timer.init	= nv04_timer_init;
		engine->timer.read	= nv04_timer_read;
		engine->timer.takedown	= nv04_timer_takedown;
		engine->fb.init		= nv10_fb_init;
		engine->fb.takedown	= nv10_fb_takedown;
		engine->graph.init	= nv30_graph_init;
		engine->graph.takedown	= nv20_graph_takedown;
		engine->graph.create_context	= nv20_graph_create_context;
		engine->graph.destroy_context	= nv20_graph_destroy_context;
		engine->graph.load_context	= nv20_graph_load_context;
		engine->graph.save_context	= nv20_graph_save_context;
		engine->fifo.channels	= 32;
		engine->fifo.init	= nouveau_fifo_init;
		engine->fifo.takedown	= nouveau_stub_takedown;
		engine->fifo.channel_id		= nv10_fifo_channel_id;
		engine->fifo.create_context	= nv10_fifo_create_context;
		engine->fifo.destroy_context	= nv10_fifo_destroy_context;
		engine->fifo.load_context	= nv10_fifo_load_context;
		engine->fifo.save_context	= nv10_fifo_save_context;
		break;
	case 0x40:
	case 0x60:
		engine->instmem.init	= nv04_instmem_init;
		engine->instmem.takedown= nv04_instmem_takedown;
		engine->instmem.populate	= nv04_instmem_populate;
		engine->instmem.clear		= nv04_instmem_clear;
		engine->instmem.bind		= nv04_instmem_bind;
		engine->instmem.unbind		= nv04_instmem_unbind;
		engine->mc.init		= nv40_mc_init;
		engine->mc.takedown	= nv40_mc_takedown;
		engine->timer.init	= nv04_timer_init;
		engine->timer.read	= nv04_timer_read;
		engine->timer.takedown	= nv04_timer_takedown;
		engine->fb.init		= nv40_fb_init;
		engine->fb.takedown	= nv40_fb_takedown;
		engine->graph.init	= nv40_graph_init;
		engine->graph.takedown	= nv40_graph_takedown;
		engine->graph.create_context	= nv40_graph_create_context;
		engine->graph.destroy_context	= nv40_graph_destroy_context;
		engine->graph.load_context	= nv40_graph_load_context;
		engine->graph.save_context	= nv40_graph_save_context;
		engine->fifo.channels	= 32;
		engine->fifo.init	= nv40_fifo_init;
		engine->fifo.takedown	= nouveau_stub_takedown;
		engine->fifo.channel_id		= nv10_fifo_channel_id;
		engine->fifo.create_context	= nv40_fifo_create_context;
		engine->fifo.destroy_context	= nv40_fifo_destroy_context;
		engine->fifo.load_context	= nv40_fifo_load_context;
		engine->fifo.save_context	= nv40_fifo_save_context;
		break;
	case 0x50:
	case 0x80: /* gotta love NVIDIA's consistency.. */
		engine->instmem.init	= nv50_instmem_init;
		engine->instmem.takedown= nv50_instmem_takedown;
		engine->instmem.populate	= nv50_instmem_populate;
		engine->instmem.clear		= nv50_instmem_clear;
		engine->instmem.bind		= nv50_instmem_bind;
		engine->instmem.unbind		= nv50_instmem_unbind;
		engine->mc.init		= nv50_mc_init;
		engine->mc.takedown	= nv50_mc_takedown;
		engine->timer.init	= nv04_timer_init;
		engine->timer.read	= nv04_timer_read;
		engine->timer.takedown	= nv04_timer_takedown;
		engine->fb.init		= nouveau_stub_init;
		engine->fb.takedown	= nouveau_stub_takedown;
		engine->graph.init	= nv50_graph_init;
		engine->graph.takedown	= nv50_graph_takedown;
		engine->graph.create_context	= nv50_graph_create_context;
		engine->graph.destroy_context	= nv50_graph_destroy_context;
		engine->graph.load_context	= nv50_graph_load_context;
		engine->graph.save_context	= nv50_graph_save_context;
		engine->fifo.channels	= 128;
		engine->fifo.init	= nv50_fifo_init;
		engine->fifo.takedown	= nv50_fifo_takedown;
		engine->fifo.channel_id		= nv50_fifo_channel_id;
		engine->fifo.create_context	= nv50_fifo_create_context;
		engine->fifo.destroy_context	= nv50_fifo_destroy_context;
		engine->fifo.load_context	= nv50_fifo_load_context;
		engine->fifo.save_context	= nv50_fifo_save_context;
		break;
	default:
		DRM_ERROR("NV%02x unsupported\n", dev_priv->chipset);
		return 1;
	}

	return 0;
}

int
nouveau_card_init(struct drm_device *dev)
{
	struct drm_nouveau_private *dev_priv = dev->dev_private;
	struct nouveau_engine *engine;
	int ret;

	DRM_DEBUG("prev state = %d\n", dev_priv->init_state);

	if (dev_priv->init_state == NOUVEAU_CARD_INIT_DONE)
		return 0;
	dev_priv->ttm = 0;

	/* Determine exact chipset we're running on */
	if (dev_priv->card_type < NV_10)
		dev_priv->chipset = dev_priv->card_type;
	else
		dev_priv->chipset =
			(NV_READ(NV03_PMC_BOOT_0) & 0x0ff00000) >> 20;

	/* Initialise internal driver API hooks */
	ret = nouveau_init_engine_ptrs(dev);
	if (ret) return ret;
	engine = &dev_priv->Engine;
	dev_priv->init_state = NOUVEAU_CARD_INIT_FAILED;

	ret = nouveau_gpuobj_early_init(dev);
	if (ret) return ret;

	/* Initialise instance memory, must happen before mem_init so we
	 * know exactly how much VRAM we're able to use for "normal"
	 * purposes.
	 */
	ret = engine->instmem.init(dev);
	if (ret) return ret;

	/* Setup the memory manager */
	if (dev_priv->ttm) {
		ret = nouveau_mem_init_ttm(dev);
		if (ret) return ret;
	} else {
		ret = nouveau_mem_init(dev);
		if (ret) return ret;
	}

	ret = nouveau_gpuobj_init(dev);
	if (ret) return ret;

	/* Parse BIOS tables / Run init tables? */

	/* PMC */
	ret = engine->mc.init(dev);
	if (ret) return ret;

	/* PTIMER */
	ret = engine->timer.init(dev);
	if (ret) return ret;

	/* PFB */
	ret = engine->fb.init(dev);
	if (ret) return ret;

	/* PGRAPH */
	ret = engine->graph.init(dev);
	if (ret) return ret;

	/* PFIFO */
	ret = engine->fifo.init(dev);
	if (ret) return ret;

	/* this call irq_preinstall, register irq handler and
	 * call irq_postinstall
	 */
	ret = drm_irq_install(dev);
	if (ret) return ret;

	/* what about PVIDEO/PCRTC/PRAMDAC etc? */

	ret = nouveau_dma_channel_init(dev);
	if (ret) return ret;

	dev_priv->init_state = NOUVEAU_CARD_INIT_DONE;
	return 0;
}

static void nouveau_card_takedown(struct drm_device *dev)
{
	struct drm_nouveau_private *dev_priv = dev->dev_private;
	struct nouveau_engine *engine = &dev_priv->Engine;

	DRM_DEBUG("prev state = %d\n", dev_priv->init_state);

	if (dev_priv->init_state != NOUVEAU_CARD_INIT_DOWN) {
		nouveau_dma_channel_takedown(dev);

		engine->fifo.takedown(dev);
		engine->graph.takedown(dev);
		engine->fb.takedown(dev);
		engine->timer.takedown(dev);
		engine->mc.takedown(dev);

		nouveau_sgdma_nottm_hack_takedown(dev);
		nouveau_sgdma_takedown(dev);

		nouveau_gpuobj_takedown(dev);

		nouveau_mem_close(dev);
		engine->instmem.takedown(dev);

		drm_irq_uninstall(dev);

		nouveau_gpuobj_late_takedown(dev);

		dev_priv->init_state = NOUVEAU_CARD_INIT_DOWN;
	}
}

/* here a client dies, release the stuff that was allocated for its
 * file_priv */
void nouveau_preclose(struct drm_device *dev, struct drm_file *file_priv)
{
	struct drm_nouveau_private *dev_priv = dev->dev_private;

	nouveau_fifo_cleanup(dev, file_priv);
	nouveau_mem_release(file_priv,dev_priv->fb_heap);
	nouveau_mem_release(file_priv,dev_priv->agp_heap);
	nouveau_mem_release(file_priv,dev_priv->pci_heap);
}

/* first module load, setup the mmio/fb mapping */
int nouveau_firstopen(struct drm_device *dev)
{
#if defined(__powerpc__)
	struct drm_nouveau_private *dev_priv = dev->dev_private;
	struct device_node *dn;
#endif
	int ret;
	/* Map any PCI resources we need on the card */
	ret = nouveau_init_card_mappings(dev);
	if (ret) return ret;

#if defined(__powerpc__)
	/* Put the card in BE mode if it's not */
	if (NV_READ(NV03_PMC_BOOT_1))
		NV_WRITE(NV03_PMC_BOOT_1,0x00000001);

	DRM_MEMORYBARRIER();
#endif

#if defined(__linux__) && defined(__powerpc__)
	/* if we have an OF card, copy vbios to RAMIN */
	dn = pci_device_to_OF_node(dev->pdev);
	if (dn)
	{
		int size;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22))
		const uint32_t *bios = of_get_property(dn, "NVDA,BMP", &size);
#else
		const uint32_t *bios = get_property(dn, "NVDA,BMP", &size);
#endif
		if (bios)
		{
			int i;
			for(i=0;i<size;i+=4)
				NV_WI32(i, bios[i/4]);
			DRM_INFO("OF bios successfully copied (%d bytes)\n",size);
		}
		else
			DRM_INFO("Unable to get the OF bios\n");
	}
	else
		DRM_INFO("Unable to get the OF node\n");
#endif
	return 0;
}

#define NV40_CHIPSET_MASK 0x00000baf
#define NV44_CHIPSET_MASK 0x00005450

int nouveau_load(struct drm_device *dev, unsigned long flags)
{
	struct drm_nouveau_private *dev_priv;
	void __iomem *regs;
	uint32_t reg0,reg1;
	uint8_t architecture = 0;

	dev_priv = drm_calloc(1, sizeof(*dev_priv), DRM_MEM_DRIVER);
	if (!dev_priv)
		return -ENOMEM;

	dev_priv->flags = flags & NOUVEAU_FLAGS;
	dev_priv->init_state = NOUVEAU_CARD_INIT_DOWN;

	DRM_DEBUG("vendor: 0x%X device: 0x%X class: 0x%X\n", dev->pci_vendor, dev->pci_device, dev->pdev->class);

	/* Time to determine the card architecture */
	regs = ioremap_nocache(pci_resource_start(dev->pdev, 0), 0x8);
	if (!regs) {
		DRM_ERROR("Could not ioremap to determine register\n");
		return -ENOMEM;
	}

	reg0 = readl(regs+NV03_PMC_BOOT_0);
	reg1 = readl(regs+NV03_PMC_BOOT_1);
#if defined(__powerpc__)
	if (reg1)
		reg0=___swab32(reg0);
#endif

	/* We're dealing with >=NV10 */
	if ((reg0 & 0x0f000000) > 0 ) {
		/* Bit 27-20 contain the architecture in hex */
		architecture = (reg0 & 0xff00000) >> 20;
	/* NV04 or NV05 */
	} else if ((reg0 & 0xff00fff0) == 0x20004000) {
		architecture = 0x04;
	}

	iounmap(regs);

	if (architecture >= 0x80) {
		dev_priv->card_type = NV_50;
	} else if (architecture >= 0x60) {
		/* FIXME we need to figure out who's who for NV6x */
		dev_priv->card_type = NV_44;
	} else if (architecture >= 0x50) {
		dev_priv->card_type = NV_50;
	} else if (architecture >= 0x40) {
		uint8_t subarch = architecture & 0xf;
		/* Selection criteria borrowed from NV40EXA */
		if (NV40_CHIPSET_MASK & (1 << subarch)) {
			dev_priv->card_type = NV_40;
		} else if (NV44_CHIPSET_MASK & (1 << subarch)) {
			dev_priv->card_type = NV_44;
		} else {
			dev_priv->card_type = NV_UNKNOWN;
		}
	} else if (architecture >= 0x30) {
		dev_priv->card_type = NV_30;
	} else if (architecture >= 0x20) {
		dev_priv->card_type = NV_20;
	} else if (architecture >= 0x17) {
		dev_priv->card_type = NV_17;
	} else if (architecture >= 0x11) {
		dev_priv->card_type = NV_11;
	} else if (architecture >= 0x10) {
		dev_priv->card_type = NV_10;
	} else if (architecture >= 0x04) {
		dev_priv->card_type = NV_04;
	} else {
		dev_priv->card_type = NV_UNKNOWN;
	}

	DRM_INFO("Detected an NV%d generation card (0x%08x)\n", dev_priv->card_type,reg0);

	if (dev_priv->card_type == NV_UNKNOWN) {
		return -EINVAL;
	}

	/* Special flags */
	if (dev->pci_device == 0x01a0) {
		dev_priv->flags |= NV_NFORCE;
	} else if (dev->pci_device == 0x01f0) {
		dev_priv->flags |= NV_NFORCE2;
	}

	dev->dev_private = (void *)dev_priv;

	return 0;
}

void nouveau_lastclose(struct drm_device *dev)
{
	struct drm_nouveau_private *dev_priv = dev->dev_private;

	/* In the case of an error dev_priv may not be be allocated yet */
	if (dev_priv && dev_priv->card_type) {
		nouveau_card_takedown(dev);

		if(dev_priv->fb_mtrr>0)
		{
			drm_mtrr_del(dev_priv->fb_mtrr, drm_get_resource_start(dev, 1),nouveau_mem_fb_amount(dev), DRM_MTRR_WC);
			dev_priv->fb_mtrr=0;
		}
	}
}

int nouveau_unload(struct drm_device *dev)
{
	drm_free(dev->dev_private, sizeof(*dev->dev_private), DRM_MEM_DRIVER);
	dev->dev_private = NULL;
	return 0;
}

int
nouveau_ioctl_card_init(struct drm_device *dev, void *data,
			struct drm_file *file_priv)
{
	return nouveau_card_init(dev);
}

int nouveau_ioctl_getparam(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
	struct drm_nouveau_private *dev_priv = dev->dev_private;
	struct drm_nouveau_getparam *getparam = data;

	NOUVEAU_CHECK_INITIALISED_WITH_RETURN;

	switch (getparam->param) {
	case NOUVEAU_GETPARAM_CHIPSET_ID:
		getparam->value = dev_priv->chipset;
		break;
	case NOUVEAU_GETPARAM_PCI_VENDOR: