Rev 1129 | Go to most recent revision | Details | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
1128 | serge | 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 | /* rs690,rs740 depends on : */ |
||
33 | void r100_hdp_reset(struct radeon_device *rdev); |
||
34 | int r300_mc_wait_for_idle(struct radeon_device *rdev); |
||
35 | void r420_pipes_init(struct radeon_device *rdev); |
||
36 | void rs400_gart_disable(struct radeon_device *rdev); |
||
37 | int rs400_gart_enable(struct radeon_device *rdev); |
||
38 | void rs400_gart_adjust_size(struct radeon_device *rdev); |
||
39 | void rs600_mc_disable_clients(struct radeon_device *rdev); |
||
40 | void rs600_disable_vga(struct radeon_device *rdev); |
||
41 | |||
42 | /* This files gather functions specifics to : |
||
43 | * rs690,rs740 |
||
44 | * |
||
45 | * Some of these functions might be used by newer ASICs. |
||
46 | */ |
||
47 | void rs690_gpu_init(struct radeon_device *rdev); |
||
48 | int rs690_mc_wait_for_idle(struct radeon_device *rdev); |
||
49 | |||
50 | |||
51 | /* |
||
52 | * MC functions. |
||
53 | */ |
||
54 | int rs690_mc_init(struct radeon_device *rdev) |
||
55 | { |
||
56 | uint32_t tmp; |
||
57 | int r; |
||
58 | |||
59 | // if (r100_debugfs_rbbm_init(rdev)) { |
||
60 | // DRM_ERROR("Failed to register debugfs file for RBBM !\n"); |
||
61 | // } |
||
62 | |||
63 | rs690_gpu_init(rdev); |
||
64 | rs400_gart_disable(rdev); |
||
65 | |||
66 | /* Setup GPU memory space */ |
||
67 | rdev->mc.gtt_location = rdev->mc.vram_size; |
||
68 | rdev->mc.gtt_location += (rdev->mc.gtt_size - 1); |
||
69 | rdev->mc.gtt_location &= ~(rdev->mc.gtt_size - 1); |
||
70 | rdev->mc.vram_location = 0xFFFFFFFFUL; |
||
71 | r = radeon_mc_setup(rdev); |
||
72 | if (r) { |
||
73 | return r; |
||
74 | } |
||
75 | |||
76 | /* Program GPU memory space */ |
||
77 | rs600_mc_disable_clients(rdev); |
||
78 | if (rs690_mc_wait_for_idle(rdev)) { |
||
79 | printk(KERN_WARNING "Failed to wait MC idle while " |
||
80 | "programming pipes. Bad things might happen.\n"); |
||
81 | } |
||
82 | tmp = rdev->mc.vram_location + rdev->mc.vram_size - 1; |
||
83 | tmp = REG_SET(RS690_MC_FB_TOP, tmp >> 16); |
||
84 | tmp |= REG_SET(RS690_MC_FB_START, rdev->mc.vram_location >> 16); |
||
85 | WREG32_MC(RS690_MCCFG_FB_LOCATION, tmp); |
||
86 | /* FIXME: Does this reg exist on RS480,RS740 ? */ |
||
87 | WREG32(0x310, rdev->mc.vram_location); |
||
88 | WREG32(RS690_HDP_FB_LOCATION, rdev->mc.vram_location >> 16); |
||
89 | return 0; |
||
90 | } |
||
91 | |||
92 | void rs690_mc_fini(struct radeon_device *rdev) |
||
93 | { |
||
94 | rs400_gart_disable(rdev); |
||
95 | radeon_gart_table_ram_free(rdev); |
||
96 | radeon_gart_fini(rdev); |
||
97 | } |
||
98 | |||
99 | |||
100 | /* |
||
101 | * Global GPU functions |
||
102 | */ |
||
103 | int rs690_mc_wait_for_idle(struct radeon_device *rdev) |
||
104 | { |
||
105 | unsigned i; |
||
106 | uint32_t tmp; |
||
107 | |||
108 | for (i = 0; i < rdev->usec_timeout; i++) { |
||
109 | /* read MC_STATUS */ |
||
110 | tmp = RREG32_MC(RS690_MC_STATUS); |
||
111 | if (tmp & RS690_MC_STATUS_IDLE) { |
||
112 | return 0; |
||
113 | } |
||
114 | DRM_UDELAY(1); |
||
115 | } |
||
116 | return -1; |
||
117 | } |
||
118 | |||
119 | void rs690_errata(struct radeon_device *rdev) |
||
120 | { |
||
121 | rdev->pll_errata = 0; |
||
122 | } |
||
123 | |||
124 | void rs690_gpu_init(struct radeon_device *rdev) |
||
125 | { |
||
126 | /* FIXME: HDP same place on rs690 ? */ |
||
127 | r100_hdp_reset(rdev); |
||
128 | rs600_disable_vga(rdev); |
||
129 | /* FIXME: is this correct ? */ |
||
130 | r420_pipes_init(rdev); |
||
131 | if (rs690_mc_wait_for_idle(rdev)) { |
||
132 | printk(KERN_WARNING "Failed to wait MC idle while " |
||
133 | "programming pipes. Bad things might happen.\n"); |
||
134 | } |
||
135 | } |
||
136 | |||
137 | |||
138 | /* |
||
139 | * VRAM info. |
||
140 | */ |
||
141 | void rs690_vram_info(struct radeon_device *rdev) |
||
142 | { |
||
143 | uint32_t tmp; |
||
144 | |||
145 | rs400_gart_adjust_size(rdev); |
||
146 | /* DDR for all card after R300 & IGP */ |
||
147 | rdev->mc.vram_is_ddr = true; |
||
148 | /* FIXME: is this correct for RS690/RS740 ? */ |
||
149 | tmp = RREG32(RADEON_MEM_CNTL); |
||
150 | if (tmp & R300_MEM_NUM_CHANNELS_MASK) { |
||
151 | rdev->mc.vram_width = 128; |
||
152 | } else { |
||
153 | rdev->mc.vram_width = 64; |
||
154 | } |
||
155 | rdev->mc.vram_size = RREG32(RADEON_CONFIG_MEMSIZE); |
||
156 | |||
157 | rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0); |
||
158 | rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0); |
||
159 | } |
||
160 | |||
161 | |||
162 | /* |
||
163 | * Indirect registers accessor |
||
164 | */ |
||
165 | uint32_t rs690_mc_rreg(struct radeon_device *rdev, uint32_t reg) |
||
166 | { |
||
167 | uint32_t r; |
||
168 | |||
169 | WREG32(RS690_MC_INDEX, (reg & RS690_MC_INDEX_MASK)); |
||
170 | r = RREG32(RS690_MC_DATA); |
||
171 | WREG32(RS690_MC_INDEX, RS690_MC_INDEX_MASK); |
||
172 | return r; |
||
173 | } |
||
174 | |||
175 | void rs690_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v) |
||
176 | { |
||
177 | WREG32(RS690_MC_INDEX, |
||
178 | RS690_MC_INDEX_WR_EN | ((reg) & RS690_MC_INDEX_MASK)); |
||
179 | WREG32(RS690_MC_DATA, v); |
||
180 | WREG32(RS690_MC_INDEX, RS690_MC_INDEX_WR_ACK); |
||
181 | }> |