Fix common misspellings
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / staging / gma500 / psb_gtt.h
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1/**************************************************************************
2 * Copyright (c) 2007-2008, Intel Corporation.
3 * All Rights Reserved.
4 *
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.
8 *
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
12 * more details.
13 *
14 * You should have received a copy of the GNU General Public License along with
5352161f 15 * this program; if not, write to the Free Software Foundation, Inc.,
0867b421
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16 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
17 *
18 **************************************************************************/
19
20#ifndef _PSB_GTT_H_
21#define _PSB_GTT_H_
22
23#include <drm/drmP.h>
24
25/*#include "img_types.h"*/
26
27struct psb_gtt {
28 struct drm_device *dev;
29 int initialized;
30 uint32_t gatt_start;
31 uint32_t mmu_gatt_start;
32 uint32_t ci_start;
33 uint32_t rar_start;
34 uint32_t gtt_start;
35 uint32_t gtt_phys_start;
36 unsigned gtt_pages;
37 unsigned gatt_pages;
38 uint32_t stolen_base;
39 void *vram_addr;
40 uint32_t pge_ctl;
41 u16 gmch_ctrl;
42 unsigned long stolen_size;
43 unsigned long vram_stolen_size;
44 unsigned long ci_stolen_size;
45 unsigned long rar_stolen_size;
46 uint32_t *gtt_map;
47 struct rw_semaphore sem;
48};
49
50struct psb_gtt_mm {
51 struct drm_mm base;
52 struct drm_open_hash hash;
53 uint32_t count;
54 spinlock_t lock;
55};
56
57struct psb_gtt_hash_entry {
58 struct drm_open_hash ht;
59 uint32_t count;
60 struct drm_hash_item item;
61};
62
63struct psb_gtt_mem_mapping {
64 struct drm_mm_node *node;
65 struct drm_hash_item item;
66};
67
68/*Exported functions*/
69extern int psb_gtt_init(struct psb_gtt *pg, int resume);
70extern 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);
74extern int psb_gtt_remove_pages(struct psb_gtt *pg, unsigned offset_pages,
75 unsigned num_pages,
76 unsigned desired_tile_stride,
77 unsigned hw_tile_stride,
78 int rc_prot);
79
80extern struct psb_gtt *psb_gtt_alloc(struct drm_device *dev);
81extern void psb_gtt_takedown(struct psb_gtt *pg, int free);
82extern int psb_gtt_map_meminfo(struct drm_device *dev,
83 void * hKernelMemInfo,
84 uint32_t *offset);
85extern int psb_gtt_unmap_meminfo(struct drm_device *dev,
86 void * hKernelMemInfo);
87extern int psb_gtt_map_meminfo_ioctl(struct drm_device *dev, void *data,
88 struct drm_file *file_priv);
89extern int psb_gtt_unmap_meminfo_ioctl(struct drm_device *dev, void *data,
90 struct drm_file *file_priv);
91extern int psb_gtt_mm_init(struct psb_gtt *pg);
92extern void psb_gtt_mm_takedown(void);
93
94extern int psb_gtt_map_pvr_memory(struct drm_device *dev,
95 unsigned int hHandle,
96 unsigned int ui32TaskId,
97 dma_addr_t *pPages,
98 unsigned int ui32PagesNum,
99 unsigned int *ui32Offset);
100
101extern int psb_gtt_unmap_pvr_memory(struct drm_device *dev,
102 unsigned int hHandle,
103 unsigned int ui32TaskId);
104
105#endif