Subversion Repositories Kolibri OS

/*

 * Copyright 2009 Jerome Glisse.

 * 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 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.

 *

 * The above copyright notice and this permission notice (including the

 * next paragraph) shall be included in all copies or substantial portions

 * of the Software.

 *

 */

/*

 * Authors:

 *    Jerome Glisse 

 *    Thomas Hellstrom 

 *    Dave Airlie

 */

#include 

#include 

#include 

#include 

#include 

#include 

#include 

#include "radeon_reg.h"

#include "radeon.h"

#define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)

static int radeon_ttm_debugfs_init(struct radeon_device *rdev);

static struct radeon_device *radeon_get_rdev(struct ttm_bo_device *bdev)

{

	struct radeon_mman *mman;

	struct radeon_device *rdev;

	mman = container_of(bdev, struct radeon_mman, bdev);

	rdev = container_of(mman, struct radeon_device, mman);

	return rdev;

}

/*

 * Global memory.

 */

static int radeon_ttm_mem_global_init(struct ttm_global_reference *ref)

{

	return ttm_mem_global_init(ref->object);

}

static void radeon_ttm_mem_global_release(struct ttm_global_reference *ref)

{

	ttm_mem_global_release(ref->object);

}

static int radeon_ttm_global_init(struct radeon_device *rdev)

{

	struct ttm_global_reference *global_ref;

	int r;

	rdev->mman.mem_global_referenced = false;

	global_ref = &rdev->mman.mem_global_ref;

	global_ref->global_type = TTM_GLOBAL_TTM_MEM;

	global_ref->size = sizeof(struct ttm_mem_global);

	global_ref->init = &radeon_ttm_mem_global_init;

	global_ref->release = &radeon_ttm_mem_global_release;

	r = ttm_global_item_ref(global_ref);

	if (r != 0) {

		DRM_ERROR("Failed setting up TTM memory accounting "

			  "subsystem.\n");

		return r;

	}

	rdev->mman.bo_global_ref.mem_glob =

		rdev->mman.mem_global_ref.object;

	global_ref = &rdev->mman.bo_global_ref.ref;

	global_ref->global_type = TTM_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;

	r = ttm_global_item_ref(global_ref);

	if (r != 0) {

		DRM_ERROR("Failed setting up TTM BO subsystem.\n");

		ttm_global_item_unref(&rdev->mman.mem_global_ref);

		return r;

	}

	rdev->mman.mem_global_referenced = true;

	return 0;

}

struct ttm_backend *radeon_ttm_backend_create(struct radeon_device *rdev);

static int radeon_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,

				struct ttm_mem_type_manager *man)

{

	struct radeon_device *rdev;

	rdev = radeon_get_rdev(bdev);

	switch (type) {

	case TTM_PL_SYSTEM:

		/* System memory */

		man->flags = TTM_MEMTYPE_FLAG_MAPPABLE;

		man->available_caching = TTM_PL_MASK_CACHING;

		man->default_caching = TTM_PL_FLAG_CACHED;

		break;

	case TTM_PL_TT:

		man->gpu_offset = rdev->mc.gtt_location;

		man->available_caching = TTM_PL_MASK_CACHING;

		man->default_caching = TTM_PL_FLAG_CACHED;

		man->flags = TTM_MEMTYPE_FLAG_MAPPABLE | TTM_MEMTYPE_FLAG_CMA;

#if __OS_HAS_AGP

		if (rdev->flags & RADEON_IS_AGP) {

			if (!(drm_core_has_AGP(rdev->ddev) && rdev->ddev->agp)) {

				DRM_ERROR("AGP is not enabled for memory type %u\n",

					  (unsigned)type);

				return -EINVAL;

			}

			man->io_offset = rdev->mc.agp_base;

			man->io_size = rdev->mc.gtt_size;

			man->io_addr = NULL;

			if (!rdev->ddev->agp->cant_use_aperture)

				man->flags = TTM_MEMTYPE_FLAG_NEEDS_IOREMAP |

					     TTM_MEMTYPE_FLAG_MAPPABLE;

			man->available_caching = TTM_PL_FLAG_UNCACHED |

						 TTM_PL_FLAG_WC;

			man->default_caching = TTM_PL_FLAG_WC;

		} else

#endif

		{

			man->io_offset = 0;

			man->io_size = 0;

			man->io_addr = NULL;

		}

		break;

	case TTM_PL_VRAM:

		/* "On-card" video ram */

		man->gpu_offset = rdev->mc.vram_location;

		man->flags = TTM_MEMTYPE_FLAG_FIXED |

			     TTM_MEMTYPE_FLAG_NEEDS_IOREMAP |

			     TTM_MEMTYPE_FLAG_MAPPABLE;

		man->available_caching = TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_WC;

		man->default_caching = TTM_PL_FLAG_WC;

		man->io_addr = NULL;

		man->io_offset = rdev->mc.aper_base;

		man->io_size = rdev->mc.aper_size;

		break;

	default:

		DRM_ERROR("Unsupported memory type %u\n", (unsigned)type);

		return -EINVAL;

	}

	return 0;

}

static struct ttm_bo_driver radeon_bo_driver = {

//   .create_ttm_backend_entry = &radeon_create_ttm_backend_entry,

//   .invalidate_caches = &radeon_invalidate_caches,

    .init_mem_type = &radeon_init_mem_type,

//   .evict_flags = &radeon_evict_flags,

//   .move = &radeon_bo_move,

//   .verify_access = &radeon_verify_access,

//   .sync_obj_signaled = &radeon_sync_obj_signaled,

//   .sync_obj_wait = &radeon_sync_obj_wait,

//   .sync_obj_flush = &radeon_sync_obj_flush,

//   .sync_obj_unref = &radeon_sync_obj_unref,

//   .sync_obj_ref = &radeon_sync_obj_ref,

//   .move_notify = &radeon_bo_move_notify,

//   .fault_reserve_notify = &radeon_bo_fault_reserve_notify,

};

int radeon_ttm_init(struct radeon_device *rdev)

{

	int r;

	r = radeon_ttm_global_init(rdev);

	if (r) {

		return r;

	}

	/* No others user of address space so set it to 0 */

	r = ttm_bo_device_init(&rdev->mman.bdev,

			       rdev->mman.bo_global_ref.ref.object,

			       &radeon_bo_driver, DRM_FILE_PAGE_OFFSET,

			       rdev->need_dma32);

	if (r) {

		DRM_ERROR("failed initializing buffer object driver(%d).\n", r);

		return r;

	}

	rdev->mman.initialized = true;

	r = ttm_bo_init_mm(&rdev->mman.bdev, TTM_PL_VRAM,

				rdev->mc.real_vram_size >> PAGE_SHIFT);

	if (r) {

		DRM_ERROR("Failed initializing VRAM heap.\n");

		return r;

	}

	r = radeon_bo_create(rdev, NULL, 256 * 1024, true,

				RADEON_GEM_DOMAIN_VRAM,

				&rdev->stollen_vga_memory);

	if (r) {

		return r;

	}

	r = radeon_bo_reserve(rdev->stollen_vga_memory, false);

	if (r)

		return r;

	r = radeon_bo_pin(rdev->stollen_vga_memory, RADEON_GEM_DOMAIN_VRAM, NULL);

	radeon_bo_unreserve(rdev->stollen_vga_memory);

	if (r) {

		radeon_bo_unref(&rdev->stollen_vga_memory);

		return r;

	}

	DRM_INFO("radeon: %uM of VRAM memory ready\n",

		 (unsigned)rdev->mc.real_vram_size / (1024 * 1024));

	r = ttm_bo_init_mm(&rdev->mman.bdev, TTM_PL_TT,

				rdev->mc.gtt_size >> PAGE_SHIFT);

	if (r) {

		DRM_ERROR("Failed initializing GTT heap.\n");

		return r;

	}

	DRM_INFO("radeon: %uM of GTT memory ready.\n",

		 (unsigned)(rdev->mc.gtt_size / (1024 * 1024)));

	if (unlikely(rdev->mman.bdev.dev_mapping == NULL)) {

		rdev->mman.bdev.dev_mapping = rdev->ddev->dev_mapping;

	}

	r = radeon_ttm_debugfs_init(rdev);

	if (r) {

		DRM_ERROR("Failed to init debugfs\n");

		return r;

	}

	return 0;

}

static struct vm_operations_struct radeon_ttm_vm_ops;

static const struct vm_operations_struct *ttm_vm_ops = NULL;