[linux-2.6-block.git] / drivers / gpu / drm / nouveau / nouveau_ttm.c

/*
 * Copyright (c) 2007-2008 Tungsten Graphics, Inc., Cedar Park, TX., USA,
 * All Rights Reserved.
 * Copyright (c) 2009 VMware, Inc., Palo Alto, CA., USA,
 * 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, sub license,
 * 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 NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDERS, AUTHORS 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 <subdev/fb.h>
#include <subdev/vm.h>
#include <subdev/instmem.h>

#include "nouveau_drm.h"
#include "nouveau_ttm.h"
#include "nouveau_gem.h"

static int
nouveau_vram_manager_init(struct ttm_mem_type_manager *man, unsigned long psize)
{
	struct nouveau_drm *drm = nouveau_bdev(man->bdev);
	struct nouveau_fb *pfb = nouveau_fb(drm->device);
	man->priv = pfb;
	return 0;
}

static int
nouveau_vram_manager_fini(struct ttm_mem_type_manager *man)
{
	man->priv = NULL;
	return 0;
}

static inline void
nouveau_mem_node_cleanup(struct nouveau_mem *node)
{
	if (node->vma[0].node) {
		nouveau_vm_unmap(&node->vma[0]);
		nouveau_vm_put(&node->vma[0]);
	}

	if (node->vma[1].node) {
		nouveau_vm_unmap(&node->vma[1]);
		nouveau_vm_put(&node->vma[1]);
	}
}

static void
nouveau_vram_manager_del(struct ttm_mem_type_manager *man,
			 struct ttm_mem_reg *mem)
{
	struct nouveau_drm *drm = nouveau_bdev(man->bdev);
	struct nouveau_fb *pfb = nouveau_fb(drm->device);
	nouveau_mem_node_cleanup(mem->mm_node);
	pfb->ram->put(pfb, (struct nouveau_mem **)&mem->mm_node);
}

static int
nouveau_vram_manager_new(struct ttm_mem_type_manager *man,
			 struct ttm_buffer_object *bo,
			 struct ttm_placement *placement,
			 uint32_t flags,
			 struct ttm_mem_reg *mem)
{
	struct nouveau_drm *drm = nouveau_bdev(man->bdev);
	struct nouveau_fb *pfb = nouveau_fb(drm->device);
	struct nouveau_bo *nvbo = nouveau_bo(bo);
	struct nouveau_mem *node;
	u32 size_nc = 0;
	int ret;

	if (nvbo->tile_flags & NOUVEAU_GEM_TILE_NONCONTIG)
		size_nc = 1 << nvbo->page_shift;

	ret = pfb->ram->get(pfb, mem->num_pages << PAGE_SHIFT,
			   mem->page_alignment << PAGE_SHIFT, size_nc,
			   (nvbo->tile_flags >> 8) & 0x3ff, &node);
	if (ret) {
		mem->mm_node = NULL;
		return (ret == -ENOSPC) ? 0 : ret;
	}

	node->page_shift = nvbo->page_shift;

	mem->mm_node = node;
	mem->start   = node->offset >> PAGE_SHIFT;
	return 0;
}

static void
nouveau_vram_manager_debug(struct ttm_mem_type_manager *man, const char *prefix)
{
	struct nouveau_fb *pfb = man->priv;
	struct nouveau_mm *mm = &pfb->vram;
	struct nouveau_mm_node *r;
	u32 total = 0, free = 0;

	mutex_lock(&nv_subdev(pfb)->mutex);
	list_for_each_entry(r, &mm->nodes, nl_entry) {
		printk(KERN_DEBUG "%s %d: 0x%010llx 0x%010llx\n",
		       prefix, r->type, ((u64)r->offset << 12),
		       (((u64)r->offset + r->length) << 12));

		total += r->length;
		if (!r->type)
			free += r->length;
	}
	mutex_unlock(&nv_subdev(pfb)->mutex);

	printk(KERN_DEBUG "%s  total: 0x%010llx free: 0x%010llx\n",
	       prefix, (u64)total << 12, (u64)free << 12);
	printk(KERN_DEBUG "%s  block: 0x%08x\n",
	       prefix, mm->block_size << 12);
}

const struct ttm_mem_type_manager_func nouveau_vram_manager = {
	nouveau_vram_manager_init,
	nouveau_vram_manager_fini,
	nouveau_vram_manager_new,
	nouveau_vram_manager_del,
	nouveau_vram_manager_debug
};

static int
nouveau_gart_manager_init(struct ttm_mem_type_manager *man, unsigned long psize)
{
	return 0;
}

static int
nouveau_gart_manager_fini(struct ttm_mem_type_manager *man)
{
	return 0;
}

static void
nouveau_gart_manager_del(struct ttm_mem_type_manager *man,
			 struct ttm_mem_reg *mem)
{
	nouveau_mem_node_cleanup(mem->mm_node);
	kfree(mem->mm_node);
	mem->mm_node = NULL;
}

static int
nouveau_gart_manager_new(struct ttm_mem_type_manager *man,
			 struct ttm_buffer_object *bo,
			 struct ttm_placement *placement,
			 uint32_t flags,
			 struct ttm_mem_reg *mem)
{
	struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
	struct nouveau_bo *nvbo = nouveau_bo(bo);
	struct nouveau_mem *node;

	node = kzalloc(sizeof(*node), GFP_KERNEL);
	if (!node)
		return -ENOMEM;

	node->page_shift = 12;

	switch (nv_device(drm->device)->card_type) {
	case NV_50:
		if (nv_device(drm->device)->chipset != 0x50)
			node->memtype = (nvbo->tile_flags & 0x7f00) >> 8;
		break;
	case NV_C0:
	case NV_E0:
		node->memtype = (nvbo->tile_flags & 0xff00) >> 8;
		break;
	default:
		break;
	}

	mem->mm_node = node;
	mem->start   = 0;
	return 0;
}

static void
nouveau_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix)
{
}

const struct ttm_mem_type_manager_func nouveau_gart_manager = {
	nouveau_gart_manager_init,
	nouveau_gart_manager_fini,
	nouveau_gart_manager_new,
	nouveau_gart_manager_del,
	nouveau_gart_manager_debug
};

#include <core/subdev/vm/nv04.h>
static int
nv04_gart_manager_init(struct ttm_mem_type_manager *man, unsigned long psize)
{
	struct nouveau_drm *drm = nouveau_bdev(man->bdev);
	struct nouveau_vmmgr *vmm = nouveau_vmmgr(drm->device);
	struct nv04_vmmgr_priv *priv = (void *)vmm;
	struct nouveau_vm *vm = NULL;
	nouveau_vm_ref(priv->vm, &vm, NULL);
	man->priv = vm;
	return 0;
}

static int
nv04_gart_manager_fini(struct ttm_mem_type_manager *man)
{
	struct nouveau_vm *vm = man->priv;
	nouveau_vm_ref(NULL, &vm, NULL);
	man->priv = NULL;
	return 0;
}

static void
nv04_gart_manager_del(struct ttm_mem_type_manager *man, struct ttm_mem_reg *mem)
{
	struct nouveau_mem *node = mem->mm_node;
	if (node->vma[0].node)
		nouveau_vm_put(&node->vma[0]);
	kfree(mem->mm_node);
	mem->mm_node = NULL;
}

static int
nv04_gart_manager_new(struct ttm_mem_type_manager *man,
		      struct ttm_buffer_object *bo,
		      struct ttm_placement *placement,
		      uint32_t flags,
		      struct ttm_mem_reg *mem)
{
	struct nouveau_mem *node;
	int ret;

	node = kzalloc(sizeof(*node), GFP_KERNEL);
	if (!node)
		return -ENOMEM;

	node->page_shift = 12;

	ret = nouveau_vm_get(man->priv, mem->num_pages << 12, node->page_shift,
			     NV_MEM_ACCESS_RW, &node->vma[0]);
	if (ret) {
		kfree(node);
		return ret;
	}

	mem->mm_node = node;
	mem->start   = node->vma[0].offset >> PAGE_SHIFT;
	return 0;
}

static void
nv04_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix)
{
}

const struct ttm_mem_type_manager_func nv04_gart_manager = {
	nv04_gart_manager_init,
	nv04_gart_manager_fini,
	nv04_gart_manager_new,
	nv04_gart_manager_del,
	nv04_gart_manager_debug
};

int
nouveau_ttm_mmap(struct file *filp, struct vm_area_struct *vma)
{
	struct drm_file *file_priv = filp->private_data;
	struct nouveau_drm *drm = nouveau_drm(file_priv->minor->dev);

	if (unlikely(vma->vm_pgoff < DRM_FILE_PAGE_OFFSET))
		return drm_mmap(filp, vma);

	return ttm_bo_mmap(filp, vma, &drm->ttm.bdev);
}

static int
nouveau_ttm_mem_global_init(struct drm_global_reference *ref)
{
	return ttm_mem_global_init(ref->object);
}

static void
nouveau_ttm_mem_global_release(struct drm_global_reference *ref)
{
	ttm_mem_global_release(ref->object);
}

int
nouveau_ttm_global_init(struct nouveau_drm *drm)
{
	struct drm_global_reference *global_ref;
	int ret;

	global_ref = &drm->ttm.mem_global_ref;
	global_ref->global_type = DRM_GLOBAL_TTM_MEM;
	global_ref->size = sizeof(struct ttm_mem_global);
	global_ref->init = &nouveau_ttm_mem_global_init;
	global_ref->release = &nouveau_ttm_mem_global_release;

	ret = drm_global_item_ref(global_ref);
	if (unlikely(ret != 0)) {
		DRM_ERROR("Failed setting up TTM memory accounting\n");
		drm->ttm.mem_global_ref.release = NULL;
		return ret;
	}

	drm->ttm.bo_global_ref.mem_glob = global_ref->object;
	global_ref = &drm->ttm.bo_global_ref.ref;
	global_ref->global_type = DRM_GLOBAL_TTM_BO;
	global_ref->size = sizeof(struct ttm_bo_global);
	global_ref->init = &ttm_bo_global_init;
	global_ref->release = &ttm_bo_global_release;

	ret = drm_global_item_ref(global_ref);
	if (unlikely(ret != 0)) {
		DRM_ERROR("Failed setting up TTM BO subsystem\n");
		drm_global_item_unref(&drm->ttm.mem_global_ref);
		drm->ttm.mem_global_ref.release = NULL;
		return ret;
	}

	return 0;
}

void
nouveau_ttm_global_release(struct nouveau_drm *drm)
{
	if (drm->ttm.mem_global_ref.release == NULL)
		return;

	drm_global_item_unref(&drm->ttm.bo_global_ref.ref);
	drm_global_item_unref(&drm->ttm.mem_global_ref);
	drm->ttm.mem_global_ref.release = NULL;
}

int
nouveau_ttm_init(struct nouveau_drm *drm)
{
	struct drm_device *dev = drm->dev;
	struct nouveau_device *device = nv_device(drm->device);
	u32 bits;
	int ret;

	bits = nouveau_vmmgr(drm->device)->dma_bits;
	if (nv_device_is_pci(device)) {
		if (drm->agp.stat == ENABLED ||
		     !pci_dma_supported(dev->pdev, DMA_BIT_MASK(bits)))
			bits = 32;

		ret = pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(bits));
		if (ret)
			return ret;

		ret = pci_set_consistent_dma_mask(dev->pdev,
						  DMA_BIT_MASK(bits));
		if (ret)
			pci_set_consistent_dma_mask(dev->pdev,
						    DMA_BIT_MASK(32));
	}

	ret = nouveau_ttm_global_init(drm);
	if (ret)
		return ret;

	ret = ttm_bo_device_init(&drm->ttm.bdev,
				  drm->ttm.bo_global_ref.ref.object,
				  &nouveau_bo_driver,
				  dev->anon_inode->i_mapping,
				  DRM_FILE_PAGE_OFFSET,
				  bits <= 32 ? true : false);
	if (ret) {
		NV_ERROR(drm, "error initialising bo driver, %d\n", ret);
		return ret;
	}

	/* VRAM init */
	drm->gem.vram_available  = nouveau_fb(drm->device)->ram->size;
	drm->gem.vram_available -= nouveau_instmem(drm->device)->reserved;

	ret = ttm_bo_init_mm(&drm->ttm.bdev, TTM_PL_VRAM,
			      drm->gem.vram_available >> PAGE_SHIFT);
	if (ret) {
		NV_ERROR(drm, "VRAM mm init failed, %d\n", ret);
		return ret;
	}

	drm->ttm.mtrr = arch_phys_wc_add(nv_device_resource_start(device, 1),
					 nv_device_resource_len(device, 1));

	/* GART init */
	if (drm->agp.stat != ENABLED) {
		drm->gem.gart_available = nouveau_vmmgr(drm->device)->limit;
	} else {
		drm->gem.gart_available = drm->agp.size;
	}

	ret = ttm_bo_init_mm(&drm->ttm.bdev, TTM_PL_TT,
			      drm->gem.gart_available >> PAGE_SHIFT);
	if (ret) {
		NV_ERROR(drm, "GART mm init failed, %d\n", ret);
		return ret;
	}

	NV_INFO(drm, "VRAM: %d MiB\n", (u32)(drm->gem.vram_available >> 20));
	NV_INFO(drm, "GART: %d MiB\n", (u32)(drm->gem.gart_available >> 20));
	return 0;
}

void
nouveau_ttm_fini(struct nouveau_drm *drm)
{
	mutex_lock(&drm->dev->struct_mutex);
	ttm_bo_clean_mm(&drm->ttm.bdev, TTM_PL_VRAM);
	ttm_bo_clean_mm(&drm->ttm.bdev, TTM_PL_TT);
	mutex_unlock(&drm->dev->struct_mutex);

	ttm_bo_device_release(&drm->ttm.bdev);

	nouveau_ttm_global_release(drm);

	arch_phys_wc_del(drm->ttm.mtrr);
	drm->ttm.mtrr = 0;
}
Commit	Line	Data
6ee73861 BS	1	/*
	2	* Copyright (c) 2007-2008 Tungsten Graphics, Inc., Cedar Park, TX., USA,
	3	* All Rights Reserved.
	4	* Copyright (c) 2009 VMware, Inc., Palo Alto, CA., USA,
	5	* All Rights Reserved.
	6	*
	7	* Permission is hereby granted, free of charge, to any person obtaining a
	8	* copy of this software and associated documentation files (the "Software"),
	9	* to deal in the Software without restriction, including without limitation
	10	* the rights to use, copy, modify, merge, publish, distribute, sub license,
	11	* and/or sell copies of the Software, and to permit persons to whom the
	12	* Software is furnished to do so, subject to the following conditions:
	13	*
	14	* The above copyright notice and this permission notice (including the
	15	* next paragraph) shall be included in all copies or substantial portions
	16	* of the Software.
	17	*
	18	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	19	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	20	* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
	21	* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
	22	* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
	23	* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
	24	* USE OR OTHER DEALINGS IN THE SOFTWARE.
	25	*/
	26
ebb945a9 BS	27	#include <subdev/fb.h>
	28	#include <subdev/vm.h>
	29	#include <subdev/instmem.h>
6ee73861	30
ebb945a9 BS	31	#include "nouveau_drm.h"
	32	#include "nouveau_ttm.h"
	33	#include "nouveau_gem.h"
6ee73861	34
bc9e7b9a BS	35	static int
	36	nouveau_vram_manager_init(struct ttm_mem_type_manager *man, unsigned long psize)
	37	{
897a6e27 MS	38	struct nouveau_drm *drm = nouveau_bdev(man->bdev);
	39	struct nouveau_fb *pfb = nouveau_fb(drm->device);
	40	man->priv = pfb;
bc9e7b9a BS	41	return 0;
	42	}
	43
	44	static int
	45	nouveau_vram_manager_fini(struct ttm_mem_type_manager *man)
	46	{
897a6e27	47	man->priv = NULL;
bc9e7b9a BS	48	return 0;
	49	}
	50
	51	static inline void
	52	nouveau_mem_node_cleanup(struct nouveau_mem *node)
	53	{
	54	if (node->vma[0].node) {
	55	nouveau_vm_unmap(&node->vma[0]);
	56	nouveau_vm_put(&node->vma[0]);
	57	}
	58
	59	if (node->vma[1].node) {
	60	nouveau_vm_unmap(&node->vma[1]);
	61	nouveau_vm_put(&node->vma[1]);
	62	}
	63	}
	64
	65	static void
	66	nouveau_vram_manager_del(struct ttm_mem_type_manager *man,
	67	struct ttm_mem_reg *mem)
	68	{
ebb945a9 BS	69	struct nouveau_drm *drm = nouveau_bdev(man->bdev);
ebb945a9 BS	70	struct nouveau_fb *pfb = nouveau_fb(drm->device);
bc9e7b9a	71	nouveau_mem_node_cleanup(mem->mm_node);
dceef5d8	72	pfb->ram->put(pfb, (struct nouveau_mem **)&mem->mm_node);
bc9e7b9a BS	73	}
	74
	75	static int
	76	nouveau_vram_manager_new(struct ttm_mem_type_manager *man,
	77	struct ttm_buffer_object *bo,
	78	struct ttm_placement *placement,
e3f20279	79	uint32_t flags,
bc9e7b9a BS	80	struct ttm_mem_reg *mem)
bc9e7b9a BS	81	{
ebb945a9 BS	82	struct nouveau_drm *drm = nouveau_bdev(man->bdev);
ebb945a9 BS	83	struct nouveau_fb *pfb = nouveau_fb(drm->device);
bc9e7b9a BS	84	struct nouveau_bo *nvbo = nouveau_bo(bo);
	85	struct nouveau_mem *node;
	86	u32 size_nc = 0;
	87	int ret;
	88
	89	if (nvbo->tile_flags & NOUVEAU_GEM_TILE_NONCONTIG)
	90	size_nc = 1 << nvbo->page_shift;
	91
dceef5d8	92	ret = pfb->ram->get(pfb, mem->num_pages << PAGE_SHIFT,
ebb945a9 BS	93	mem->page_alignment << PAGE_SHIFT, size_nc,
ebb945a9 BS	94	(nvbo->tile_flags >> 8) & 0x3ff, &node);
bc9e7b9a BS	95	if (ret) {
	96	mem->mm_node = NULL;
	97	return (ret == -ENOSPC) ? 0 : ret;
	98	}
	99
	100	node->page_shift = nvbo->page_shift;
	101
	102	mem->mm_node = node;
	103	mem->start = node->offset >> PAGE_SHIFT;
	104	return 0;
	105	}
	106
5b8a43ae	107	static void
bc9e7b9a BS	108	nouveau_vram_manager_debug(struct ttm_mem_type_manager man, const char prefix)
bc9e7b9a BS	109	{
897a6e27 MS	110	struct nouveau_fb *pfb = man->priv;
897a6e27 MS	111	struct nouveau_mm *mm = &pfb->vram;
bc9e7b9a BS	112	struct nouveau_mm_node *r;
	113	u32 total = 0, free = 0;
	114
51a506c0	115	mutex_lock(&nv_subdev(pfb)->mutex);
bc9e7b9a BS	116	list_for_each_entry(r, &mm->nodes, nl_entry) {
	117	printk(KERN_DEBUG "%s %d: 0x%010llx 0x%010llx\n",
	118	prefix, r->type, ((u64)r->offset << 12),
	119	(((u64)r->offset + r->length) << 12));
	120
	121	total += r->length;
	122	if (!r->type)
	123	free += r->length;
	124	}
51a506c0	125	mutex_unlock(&nv_subdev(pfb)->mutex);
bc9e7b9a BS	126
	127	printk(KERN_DEBUG "%s total: 0x%010llx free: 0x%010llx\n",
	128	prefix, (u64)total << 12, (u64)free << 12);
	129	printk(KERN_DEBUG "%s block: 0x%08x\n",
	130	prefix, mm->block_size << 12);
	131	}
	132
	133	const struct ttm_mem_type_manager_func nouveau_vram_manager = {
	134	nouveau_vram_manager_init,
	135	nouveau_vram_manager_fini,
	136	nouveau_vram_manager_new,
	137	nouveau_vram_manager_del,
	138	nouveau_vram_manager_debug
	139	};
	140
	141	static int
	142	nouveau_gart_manager_init(struct ttm_mem_type_manager *man, unsigned long psize)
	143	{
	144	return 0;
	145	}
	146
	147	static int
	148	nouveau_gart_manager_fini(struct ttm_mem_type_manager *man)
	149	{
	150	return 0;
	151	}
	152
	153	static void
	154	nouveau_gart_manager_del(struct ttm_mem_type_manager *man,
	155	struct ttm_mem_reg *mem)
	156	{
	157	nouveau_mem_node_cleanup(mem->mm_node);
	158	kfree(mem->mm_node);
	159	mem->mm_node = NULL;
	160	}
	161
	162	static int
	163	nouveau_gart_manager_new(struct ttm_mem_type_manager *man,
	164	struct ttm_buffer_object *bo,
	165	struct ttm_placement *placement,
e3f20279	166	uint32_t flags,
bc9e7b9a BS	167	struct ttm_mem_reg *mem)
bc9e7b9a BS	168	{
de7b7d59 BS	169	struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
de7b7d59 BS	170	struct nouveau_bo *nvbo = nouveau_bo(bo);
bc9e7b9a BS	171	struct nouveau_mem *node;
bc9e7b9a BS	172
bc9e7b9a BS	173	node = kzalloc(sizeof(*node), GFP_KERNEL);
	174	if (!node)
	175	return -ENOMEM;
2e2cfbe6	176
bc9e7b9a BS	177	node->page_shift = 12;
bc9e7b9a BS	178
de7b7d59 BS	179	switch (nv_device(drm->device)->card_type) {
	180	case NV_50:
	181	if (nv_device(drm->device)->chipset != 0x50)
	182	node->memtype = (nvbo->tile_flags & 0x7f00) >> 8;
	183	break;
	184	case NV_C0:
de7b7d59 BS	185	case NV_E0:
	186	node->memtype = (nvbo->tile_flags & 0xff00) >> 8;
	187	break;
	188	default:
	189	break;
	190	}
	191
bc9e7b9a BS	192	mem->mm_node = node;
	193	mem->start = 0;
	194	return 0;
	195	}
	196
5b8a43ae	197	static void
bc9e7b9a BS	198	nouveau_gart_manager_debug(struct ttm_mem_type_manager man, const char prefix)
	199	{
	200	}
	201
	202	const struct ttm_mem_type_manager_func nouveau_gart_manager = {
	203	nouveau_gart_manager_init,
	204	nouveau_gart_manager_fini,
	205	nouveau_gart_manager_new,
	206	nouveau_gart_manager_del,
	207	nouveau_gart_manager_debug
	208	};
	209
ebb945a9	210	#include <core/subdev/vm/nv04.h>
bc9e7b9a BS	211	static int
	212	nv04_gart_manager_init(struct ttm_mem_type_manager *man, unsigned long psize)
	213	{
ebb945a9 BS	214	struct nouveau_drm *drm = nouveau_bdev(man->bdev);
	215	struct nouveau_vmmgr *vmm = nouveau_vmmgr(drm->device);
	216	struct nv04_vmmgr_priv priv = (void )vmm;
	217	struct nouveau_vm *vm = NULL;
	218	nouveau_vm_ref(priv->vm, &vm, NULL);
	219	man->priv = vm;
	220	return 0;
bc9e7b9a BS	221	}
	222
	223	static int
	224	nv04_gart_manager_fini(struct ttm_mem_type_manager *man)
	225	{
	226	struct nouveau_vm *vm = man->priv;
	227	nouveau_vm_ref(NULL, &vm, NULL);
	228	man->priv = NULL;
	229	return 0;
	230	}
	231
	232	static void
	233	nv04_gart_manager_del(struct ttm_mem_type_manager man, struct ttm_mem_reg mem)
	234	{
	235	struct nouveau_mem *node = mem->mm_node;
	236	if (node->vma[0].node)
	237	nouveau_vm_put(&node->vma[0]);
	238	kfree(mem->mm_node);
	239	mem->mm_node = NULL;
	240	}
	241
	242	static int
	243	nv04_gart_manager_new(struct ttm_mem_type_manager *man,
	244	struct ttm_buffer_object *bo,
	245	struct ttm_placement *placement,
e3f20279	246	uint32_t flags,
bc9e7b9a BS	247	struct ttm_mem_reg *mem)
	248	{
	249	struct nouveau_mem *node;
	250	int ret;
	251
	252	node = kzalloc(sizeof(*node), GFP_KERNEL);
	253	if (!node)
	254	return -ENOMEM;
	255
	256	node->page_shift = 12;
	257
	258	ret = nouveau_vm_get(man->priv, mem->num_pages << 12, node->page_shift,
	259	NV_MEM_ACCESS_RW, &node->vma[0]);
	260	if (ret) {
	261	kfree(node);
	262	return ret;
	263	}
	264
	265	mem->mm_node = node;
	266	mem->start = node->vma[0].offset >> PAGE_SHIFT;
	267	return 0;
	268	}
	269
5b8a43ae	270	static void
bc9e7b9a BS	271	nv04_gart_manager_debug(struct ttm_mem_type_manager man, const char prefix)
	272	{
	273	}
	274
	275	const struct ttm_mem_type_manager_func nv04_gart_manager = {
	276	nv04_gart_manager_init,
	277	nv04_gart_manager_fini,
	278	nv04_gart_manager_new,
	279	nv04_gart_manager_del,
	280	nv04_gart_manager_debug
	281	};
	282
6ee73861 BS	283	int
	284	nouveau_ttm_mmap(struct file filp, struct vm_area_struct vma)
	285	{
	286	struct drm_file *file_priv = filp->private_data;
77145f1c	287	struct nouveau_drm *drm = nouveau_drm(file_priv->minor->dev);
6ee73861 BS	288
	289	if (unlikely(vma->vm_pgoff < DRM_FILE_PAGE_OFFSET))
	290	return drm_mmap(filp, vma);
	291
ebb945a9	292	return ttm_bo_mmap(filp, vma, &drm->ttm.bdev);
6ee73861 BS	293	}
	294
	295	static int
ba4420c2	296	nouveau_ttm_mem_global_init(struct drm_global_reference *ref)
6ee73861 BS	297	{
	298	return ttm_mem_global_init(ref->object);
	299	}
	300
	301	static void
ba4420c2	302	nouveau_ttm_mem_global_release(struct drm_global_reference *ref)
6ee73861 BS	303	{
	304	ttm_mem_global_release(ref->object);
	305	}
	306
	307	int
ebb945a9	308	nouveau_ttm_global_init(struct nouveau_drm *drm)
6ee73861	309	{
ba4420c2	310	struct drm_global_reference *global_ref;
6ee73861 BS	311	int ret;
6ee73861 BS	312
ebb945a9	313	global_ref = &drm->ttm.mem_global_ref;
ba4420c2	314	global_ref->global_type = DRM_GLOBAL_TTM_MEM;
6ee73861 BS	315	global_ref->size = sizeof(struct ttm_mem_global);
	316	global_ref->init = &nouveau_ttm_mem_global_init;
	317	global_ref->release = &nouveau_ttm_mem_global_release;
	318
ba4420c2	319	ret = drm_global_item_ref(global_ref);
6ee73861 BS	320	if (unlikely(ret != 0)) {
6ee73861 BS	321	DRM_ERROR("Failed setting up TTM memory accounting\n");
ebb945a9	322	drm->ttm.mem_global_ref.release = NULL;
6ee73861 BS	323	return ret;
	324	}
	325
ebb945a9 BS	326	drm->ttm.bo_global_ref.mem_glob = global_ref->object;
ebb945a9 BS	327	global_ref = &drm->ttm.bo_global_ref.ref;
ba4420c2	328	global_ref->global_type = DRM_GLOBAL_TTM_BO;
6ee73861 BS	329	global_ref->size = sizeof(struct ttm_bo_global);
	330	global_ref->init = &ttm_bo_global_init;
	331	global_ref->release = &ttm_bo_global_release;
	332
ba4420c2	333	ret = drm_global_item_ref(global_ref);
6ee73861 BS	334	if (unlikely(ret != 0)) {
6ee73861 BS	335	DRM_ERROR("Failed setting up TTM BO subsystem\n");
ebb945a9 BS	336	drm_global_item_unref(&drm->ttm.mem_global_ref);
ebb945a9 BS	337	drm->ttm.mem_global_ref.release = NULL;
6ee73861 BS	338	return ret;
	339	}
	340
	341	return 0;
	342	}
	343
	344	void
ebb945a9	345	nouveau_ttm_global_release(struct nouveau_drm *drm)
6ee73861	346	{
ebb945a9	347	if (drm->ttm.mem_global_ref.release == NULL)
6ee73861 BS	348	return;
6ee73861 BS	349
ebb945a9 BS	350	drm_global_item_unref(&drm->ttm.bo_global_ref.ref);
	351	drm_global_item_unref(&drm->ttm.mem_global_ref);
	352	drm->ttm.mem_global_ref.release = NULL;
	353	}
	354
	355	int
	356	nouveau_ttm_init(struct nouveau_drm *drm)
	357	{
	358	struct drm_device *dev = drm->dev;
420b9469	359	struct nouveau_device *device = nv_device(drm->device);
ebb945a9 BS	360	u32 bits;
	361	int ret;
	362
dc73b45a	363	bits = nouveau_vmmgr(drm->device)->dma_bits;
420b9469 AC	364	if (nv_device_is_pci(device)) {
	365	if (drm->agp.stat == ENABLED \|\|
	366	!pci_dma_supported(dev->pdev, DMA_BIT_MASK(bits)))
	367	bits = 32;
	368
	369	ret = pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(bits));
	370	if (ret)
	371	return ret;
	372
	373	ret = pci_set_consistent_dma_mask(dev->pdev,
	374	DMA_BIT_MASK(bits));
	375	if (ret)
	376	pci_set_consistent_dma_mask(dev->pdev,
	377	DMA_BIT_MASK(32));
	378	}
ebb945a9 BS	379
	380	ret = nouveau_ttm_global_init(drm);
	381	if (ret)
	382	return ret;
	383
	384	ret = ttm_bo_device_init(&drm->ttm.bdev,
	385	drm->ttm.bo_global_ref.ref.object,
44d847b7 DH	386	&nouveau_bo_driver,
	387	dev->anon_inode->i_mapping,
	388	DRM_FILE_PAGE_OFFSET,
ebb945a9 BS	389	bits <= 32 ? true : false);
	390	if (ret) {
	391	NV_ERROR(drm, "error initialising bo driver, %d\n", ret);
	392	return ret;
	393	}
	394
	395	/* VRAM init */
dceef5d8	396	drm->gem.vram_available = nouveau_fb(drm->device)->ram->size;
ebb945a9 BS	397	drm->gem.vram_available -= nouveau_instmem(drm->device)->reserved;
	398
	399	ret = ttm_bo_init_mm(&drm->ttm.bdev, TTM_PL_VRAM,
	400	drm->gem.vram_available >> PAGE_SHIFT);
	401	if (ret) {
	402	NV_ERROR(drm, "VRAM mm init failed, %d\n", ret);
	403	return ret;
	404	}
	405
420b9469 AC	406	drm->ttm.mtrr = arch_phys_wc_add(nv_device_resource_start(device, 1),
420b9469 AC	407	nv_device_resource_len(device, 1));
ebb945a9 BS	408
	409	/* GART init */
	410	if (drm->agp.stat != ENABLED) {
	411	drm->gem.gart_available = nouveau_vmmgr(drm->device)->limit;
ebb945a9 BS	412	} else {
	413	drm->gem.gart_available = drm->agp.size;
	414	}
	415
	416	ret = ttm_bo_init_mm(&drm->ttm.bdev, TTM_PL_TT,
	417	drm->gem.gart_available >> PAGE_SHIFT);
	418	if (ret) {
	419	NV_ERROR(drm, "GART mm init failed, %d\n", ret);
	420	return ret;
	421	}
	422
	423	NV_INFO(drm, "VRAM: %d MiB\n", (u32)(drm->gem.vram_available >> 20));
	424	NV_INFO(drm, "GART: %d MiB\n", (u32)(drm->gem.gart_available >> 20));
	425	return 0;
	426	}
	427
	428	void
	429	nouveau_ttm_fini(struct nouveau_drm *drm)
	430	{
	431	mutex_lock(&drm->dev->struct_mutex);
	432	ttm_bo_clean_mm(&drm->ttm.bdev, TTM_PL_VRAM);
	433	ttm_bo_clean_mm(&drm->ttm.bdev, TTM_PL_TT);
	434	mutex_unlock(&drm->dev->struct_mutex);
	435
	436	ttm_bo_device_release(&drm->ttm.bdev);
	437
	438	nouveau_ttm_global_release(drm);
	439
247d36d7 AL	440	arch_phys_wc_del(drm->ttm.mtrr);
247d36d7 AL	441	drm->ttm.mtrr = 0;
6ee73861	442	}