1 /**************************************************************************
2 * Copyright (c) 2007-2008, Intel Corporation.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18 **************************************************************************/
25 /*#include "img_types.h"*/
28 struct drm_device
*dev
;
31 uint32_t mmu_gatt_start
;
35 uint32_t gtt_phys_start
;
42 unsigned long stolen_size
;
43 unsigned long vram_stolen_size
;
44 unsigned long ci_stolen_size
;
45 unsigned long rar_stolen_size
;
47 struct rw_semaphore sem
;
52 struct drm_open_hash hash
;
57 struct psb_gtt_hash_entry
{
58 struct drm_open_hash ht
;
60 struct drm_hash_item item
;
63 struct psb_gtt_mem_mapping
{
64 struct drm_mm_node
*node
;
65 struct drm_hash_item item
;
68 /*Exported functions*/
69 extern int psb_gtt_init(struct psb_gtt
*pg
, int resume
);
70 extern int psb_gtt_insert_pages(struct psb_gtt
*pg
, struct page
**pages
,
71 unsigned offset_pages
, unsigned num_pages
,
72 unsigned desired_tile_stride
,
73 unsigned hw_tile_stride
, int type
);
74 extern int psb_gtt_remove_pages(struct psb_gtt
*pg
, unsigned offset_pages
,
76 unsigned desired_tile_stride
,
77 unsigned hw_tile_stride
,
80 extern struct psb_gtt
*psb_gtt_alloc(struct drm_device
*dev
);
81 extern void psb_gtt_takedown(struct psb_gtt
*pg
, int free
);
82 extern int psb_gtt_map_meminfo(struct drm_device
*dev
,
83 void * hKernelMemInfo
,
85 extern int psb_gtt_unmap_meminfo(struct drm_device
*dev
,
86 void * hKernelMemInfo
);
87 extern int psb_gtt_map_meminfo_ioctl(struct drm_device
*dev
, void *data
,
88 struct drm_file
*file_priv
);
89 extern int psb_gtt_unmap_meminfo_ioctl(struct drm_device
*dev
, void *data
,
90 struct drm_file
*file_priv
);
91 extern int psb_gtt_mm_init(struct psb_gtt
*pg
);
92 extern void psb_gtt_mm_takedown(void);
94 extern int psb_gtt_map_pvr_memory(struct drm_device
*dev
,
96 unsigned int ui32TaskId
,
98 unsigned int ui32PagesNum
,
99 unsigned int *ui32Offset
);
101 extern int psb_gtt_unmap_pvr_memory(struct drm_device
*dev
,
102 unsigned int hHandle
,
103 unsigned int ui32TaskId
);