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771fe6b9 JG |
1 | /* |
2 | * Copyright 2008 Advanced Micro Devices, Inc. | |
3 | * Copyright 2008 Red Hat Inc. | |
4 | * Copyright 2009 Jerome Glisse. | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a | |
7 | * copy of this software and associated documentation files (the "Software"), | |
8 | * to deal in the Software without restriction, including without limitation | |
9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
10 | * and/or sell copies of the Software, and to permit persons to whom the | |
11 | * Software is furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
20 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
21 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
22 | * OTHER DEALINGS IN THE SOFTWARE. | |
23 | * | |
24 | * Authors: Dave Airlie | |
25 | * Alex Deucher | |
26 | * Jerome Glisse | |
27 | */ | |
28 | #include "drmP.h" | |
29 | #include "radeon_reg.h" | |
30 | #include "radeon.h" | |
31 | ||
32 | /* rv770,rv730,rv710 depends on : */ | |
33 | void rs600_mc_disable_clients(struct radeon_device *rdev); | |
34 | ||
35 | /* This files gather functions specifics to: | |
36 | * rv770,rv730,rv710 | |
37 | * | |
38 | * Some of these functions might be used by newer ASICs. | |
39 | */ | |
40 | int rv770_mc_wait_for_idle(struct radeon_device *rdev); | |
41 | void rv770_gpu_init(struct radeon_device *rdev); | |
42 | ||
43 | ||
44 | /* | |
45 | * MC | |
46 | */ | |
47 | int rv770_mc_init(struct radeon_device *rdev) | |
48 | { | |
49 | uint32_t tmp; | |
50 | ||
51 | rv770_gpu_init(rdev); | |
52 | ||
53 | /* setup the gart before changing location so we can ask to | |
54 | * discard unmapped mc request | |
55 | */ | |
56 | /* FIXME: disable out of gart access */ | |
57 | tmp = rdev->mc.gtt_location / 4096; | |
58 | tmp = REG_SET(R700_LOGICAL_PAGE_NUMBER, tmp); | |
59 | WREG32(R700_MC_VM_SYSTEM_APERTURE_LOW_ADDR, tmp); | |
60 | tmp = (rdev->mc.gtt_location + rdev->mc.gtt_size) / 4096; | |
61 | tmp = REG_SET(R700_LOGICAL_PAGE_NUMBER, tmp); | |
62 | WREG32(R700_MC_VM_SYSTEM_APERTURE_HIGH_ADDR, tmp); | |
63 | ||
64 | rs600_mc_disable_clients(rdev); | |
65 | if (rv770_mc_wait_for_idle(rdev)) { | |
66 | printk(KERN_WARNING "Failed to wait MC idle while " | |
67 | "programming pipes. Bad things might happen.\n"); | |
68 | } | |
69 | ||
7a50f01a | 70 | tmp = rdev->mc.vram_location + rdev->mc.mc_vram_size - 1; |
771fe6b9 JG |
71 | tmp = REG_SET(R700_MC_FB_TOP, tmp >> 24); |
72 | tmp |= REG_SET(R700_MC_FB_BASE, rdev->mc.vram_location >> 24); | |
73 | WREG32(R700_MC_VM_FB_LOCATION, tmp); | |
74 | tmp = rdev->mc.gtt_location + rdev->mc.gtt_size - 1; | |
75 | tmp = REG_SET(R700_MC_AGP_TOP, tmp >> 22); | |
76 | WREG32(R700_MC_VM_AGP_TOP, tmp); | |
77 | tmp = REG_SET(R700_MC_AGP_BOT, rdev->mc.gtt_location >> 22); | |
78 | WREG32(R700_MC_VM_AGP_BOT, tmp); | |
79 | return 0; | |
80 | } | |
81 | ||
82 | void rv770_mc_fini(struct radeon_device *rdev) | |
83 | { | |
84 | /* FIXME: implement */ | |
85 | } | |
86 | ||
87 | ||
88 | /* | |
89 | * Global GPU functions | |
90 | */ | |
91 | void rv770_errata(struct radeon_device *rdev) | |
92 | { | |
93 | rdev->pll_errata = 0; | |
94 | } | |
95 | ||
96 | int rv770_mc_wait_for_idle(struct radeon_device *rdev) | |
97 | { | |
98 | /* FIXME: implement */ | |
99 | return 0; | |
100 | } | |
101 | ||
102 | void rv770_gpu_init(struct radeon_device *rdev) | |
103 | { | |
104 | /* FIXME: implement */ | |
105 | } | |
106 | ||
107 | ||
108 | /* | |
109 | * VRAM info | |
110 | */ | |
111 | void rv770_vram_get_type(struct radeon_device *rdev) | |
112 | { | |
113 | /* FIXME: implement */ | |
114 | } | |
115 | ||
116 | void rv770_vram_info(struct radeon_device *rdev) | |
117 | { | |
118 | rv770_vram_get_type(rdev); | |
119 | ||
120 | /* FIXME: implement */ | |
121 | /* Could aper size report 0 ? */ | |
122 | rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0); | |
123 | rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0); | |
124 | } |