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771fe6b9 JG |
1 | /* |
2 | * Copyright 2008 Red Hat Inc. | |
3 | * Copyright 2009 Jerome Glisse. | |
4 | * | |
5 | * Permission is hereby granted, free of charge, to any person obtaining a | |
6 | * copy of this software and associated documentation files (the "Software"), | |
7 | * to deal in the Software without restriction, including without limitation | |
8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
9 | * and/or sell copies of the Software, and to permit persons to whom the | |
10 | * Software is furnished to do so, subject to the following conditions: | |
11 | * | |
12 | * The above copyright notice and this permission notice shall be included in | |
13 | * all copies or substantial portions of the Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
18 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
19 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
20 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
21 | * OTHER DEALINGS IN THE SOFTWARE. | |
22 | * | |
23 | * Authors: | |
24 | * Dave Airlie | |
25 | * Jerome Glisse <glisse@freedesktop.org> | |
26 | */ | |
760285e7 | 27 | #include <drm/drmP.h> |
771fe6b9 | 28 | #include "radeon.h" |
760285e7 | 29 | #include <drm/radeon_drm.h> |
771fe6b9 | 30 | |
a7fb8a23 | 31 | #if IS_ENABLED(CONFIG_AGP) |
771fe6b9 JG |
32 | |
33 | struct radeon_agpmode_quirk { | |
34 | u32 hostbridge_vendor; | |
35 | u32 hostbridge_device; | |
36 | u32 chip_vendor; | |
37 | u32 chip_device; | |
38 | u32 subsys_vendor; | |
39 | u32 subsys_device; | |
40 | u32 default_mode; | |
41 | }; | |
42 | ||
43 | static struct radeon_agpmode_quirk radeon_agpmode_quirk_list[] = { | |
44 | /* Intel E7505 Memory Controller Hub / RV350 AR [Radeon 9600XT] Needs AGPMode 4 (deb #515326) */ | |
45 | { PCI_VENDOR_ID_INTEL, 0x2550, PCI_VENDOR_ID_ATI, 0x4152, 0x1458, 0x4038, 4}, | |
46 | /* Intel 82865G/PE/P DRAM Controller/Host-Hub / Mobility 9800 Needs AGPMode 4 (deb #462590) */ | |
47 | { PCI_VENDOR_ID_INTEL, 0x2570, PCI_VENDOR_ID_ATI, 0x4a4e, PCI_VENDOR_ID_DELL, 0x5106, 4}, | |
48 | /* Intel 82865G/PE/P DRAM Controller/Host-Hub / RV280 [Radeon 9200 SE] Needs AGPMode 4 (lp #300304) */ | |
49 | { PCI_VENDOR_ID_INTEL, 0x2570, PCI_VENDOR_ID_ATI, 0x5964, | |
50 | 0x148c, 0x2073, 4}, | |
51 | /* Intel 82855PM Processor to I/O Controller / Mobility M6 LY Needs AGPMode 1 (deb #467235) */ | |
52 | { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4c59, | |
53 | PCI_VENDOR_ID_IBM, 0x052f, 1}, | |
54 | /* Intel 82855PM host bridge / Mobility 9600 M10 RV350 Needs AGPMode 1 (lp #195051) */ | |
55 | { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4e50, | |
56 | PCI_VENDOR_ID_IBM, 0x0550, 1}, | |
0c62c659 PM |
57 | /* Intel 82855PM host bridge / RV250/M9 GL [Mobility FireGL 9000/Radeon 9000] needs AGPMode 1 (Thinkpad T40p) */ |
58 | { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4c66, | |
59 | PCI_VENDOR_ID_IBM, 0x054d, 1}, | |
771fe6b9 JG |
60 | /* Intel 82855PM host bridge / Mobility M7 needs AGPMode 1 */ |
61 | { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4c57, | |
62 | PCI_VENDOR_ID_IBM, 0x0530, 1}, | |
63 | /* Intel 82855PM host bridge / FireGL Mobility T2 RV350 Needs AGPMode 2 (fdo #20647) */ | |
64 | { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4e54, | |
65 | PCI_VENDOR_ID_IBM, 0x054f, 2}, | |
66 | /* Intel 82855PM host bridge / Mobility M9+ / VaioPCG-V505DX Needs AGPMode 2 (fdo #17928) */ | |
67 | { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x5c61, | |
68 | PCI_VENDOR_ID_SONY, 0x816b, 2}, | |
69 | /* Intel 82855PM Processor to I/O Controller / Mobility M9+ Needs AGPMode 8 (phoronix forum) */ | |
70 | { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x5c61, | |
71 | PCI_VENDOR_ID_SONY, 0x8195, 8}, | |
72 | /* Intel 82830 830 Chipset Host Bridge / Mobility M6 LY Needs AGPMode 2 (fdo #17360)*/ | |
73 | { PCI_VENDOR_ID_INTEL, 0x3575, PCI_VENDOR_ID_ATI, 0x4c59, | |
74 | PCI_VENDOR_ID_DELL, 0x00e3, 2}, | |
45171002 | 75 | /* Intel 82852/82855 host bridge / Mobility FireGL 9000 RV250 Needs AGPMode 1 (lp #296617) */ |
771fe6b9 JG |
76 | { PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4c66, |
77 | PCI_VENDOR_ID_DELL, 0x0149, 1}, | |
45171002 PB |
78 | /* Intel 82855PM host bridge / Mobility FireGL 9000 RV250 Needs AGPMode 1 for suspend/resume */ |
79 | { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4c66, | |
80 | PCI_VENDOR_ID_IBM, 0x0531, 1}, | |
771fe6b9 JG |
81 | /* Intel 82852/82855 host bridge / Mobility 9600 M10 RV350 Needs AGPMode 1 (deb #467460) */ |
82 | { PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4e50, | |
83 | 0x1025, 0x0061, 1}, | |
84 | /* Intel 82852/82855 host bridge / Mobility 9600 M10 RV350 Needs AGPMode 1 (lp #203007) */ | |
85 | { PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4e50, | |
86 | 0x1025, 0x0064, 1}, | |
87 | /* Intel 82852/82855 host bridge / Mobility 9600 M10 RV350 Needs AGPMode 1 (lp #141551) */ | |
88 | { PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4e50, | |
89 | PCI_VENDOR_ID_ASUSTEK, 0x1942, 1}, | |
90 | /* Intel 82852/82855 host bridge / Mobility 9600/9700 Needs AGPMode 1 (deb #510208) */ | |
91 | { PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4e50, | |
92 | 0x10cf, 0x127f, 1}, | |
93 | /* ASRock K7VT4A+ AGP 8x / ATI Radeon 9250 AGP Needs AGPMode 4 (lp #133192) */ | |
94 | { 0x1849, 0x3189, PCI_VENDOR_ID_ATI, 0x5960, | |
95 | 0x1787, 0x5960, 4}, | |
96 | /* VIA K8M800 Host Bridge / RV280 [Radeon 9200 PRO] Needs AGPMode 4 (fdo #12544) */ | |
97 | { PCI_VENDOR_ID_VIA, 0x0204, PCI_VENDOR_ID_ATI, 0x5960, | |
98 | 0x17af, 0x2020, 4}, | |
99 | /* VIA KT880 Host Bridge / RV350 [Radeon 9550] Needs AGPMode 4 (fdo #19981) */ | |
100 | { PCI_VENDOR_ID_VIA, 0x0269, PCI_VENDOR_ID_ATI, 0x4153, | |
101 | PCI_VENDOR_ID_ASUSTEK, 0x003c, 4}, | |
102 | /* VIA VT8363 Host Bridge / R200 QL [Radeon 8500] Needs AGPMode 2 (lp #141551) */ | |
103 | { PCI_VENDOR_ID_VIA, 0x0305, PCI_VENDOR_ID_ATI, 0x514c, | |
104 | PCI_VENDOR_ID_ATI, 0x013a, 2}, | |
105 | /* VIA VT82C693A Host Bridge / RV280 [Radeon 9200 PRO] Needs AGPMode 2 (deb #515512) */ | |
106 | { PCI_VENDOR_ID_VIA, 0x0691, PCI_VENDOR_ID_ATI, 0x5960, | |
107 | PCI_VENDOR_ID_ASUSTEK, 0x004c, 2}, | |
108 | /* VIA VT82C693A Host Bridge / RV280 [Radeon 9200 PRO] Needs AGPMode 2 */ | |
109 | { PCI_VENDOR_ID_VIA, 0x0691, PCI_VENDOR_ID_ATI, 0x5960, | |
110 | PCI_VENDOR_ID_ASUSTEK, 0x0054, 2}, | |
111 | /* VIA VT8377 Host Bridge / R200 QM [Radeon 9100] Needs AGPMode 4 (deb #461144) */ | |
112 | { PCI_VENDOR_ID_VIA, 0x3189, PCI_VENDOR_ID_ATI, 0x514d, | |
113 | 0x174b, 0x7149, 4}, | |
114 | /* VIA VT8377 Host Bridge / RV280 [Radeon 9200 PRO] Needs AGPMode 4 (lp #312693) */ | |
115 | { PCI_VENDOR_ID_VIA, 0x3189, PCI_VENDOR_ID_ATI, 0x5960, | |
116 | 0x1462, 0x0380, 4}, | |
117 | /* VIA VT8377 Host Bridge / RV280 Needs AGPMode 4 (ati ML) */ | |
118 | { PCI_VENDOR_ID_VIA, 0x3189, PCI_VENDOR_ID_ATI, 0x5964, | |
119 | 0x148c, 0x2073, 4}, | |
120 | /* ATI Host Bridge / RV280 [M9+] Needs AGPMode 1 (phoronix forum) */ | |
121 | { PCI_VENDOR_ID_ATI, 0xcbb2, PCI_VENDOR_ID_ATI, 0x5c61, | |
122 | PCI_VENDOR_ID_SONY, 0x8175, 1}, | |
771fe6b9 JG |
123 | { 0, 0, 0, 0, 0, 0, 0 }, |
124 | }; | |
125 | #endif | |
126 | ||
127 | int radeon_agp_init(struct radeon_device *rdev) | |
128 | { | |
a7fb8a23 | 129 | #if IS_ENABLED(CONFIG_AGP) |
771fe6b9 JG |
130 | struct radeon_agpmode_quirk *p = radeon_agpmode_quirk_list; |
131 | struct drm_agp_mode mode; | |
132 | struct drm_agp_info info; | |
133 | uint32_t agp_status; | |
134 | int default_mode; | |
135 | bool is_v3; | |
136 | int ret; | |
137 | ||
138 | /* Acquire AGP. */ | |
ccb2ad57 RF |
139 | ret = drm_agp_acquire(rdev->ddev); |
140 | if (ret) { | |
141 | DRM_ERROR("Unable to acquire AGP: %d\n", ret); | |
142 | return ret; | |
771fe6b9 JG |
143 | } |
144 | ||
145 | ret = drm_agp_info(rdev->ddev, &info); | |
146 | if (ret) { | |
4b866288 | 147 | drm_agp_release(rdev->ddev); |
771fe6b9 JG |
148 | DRM_ERROR("Unable to get AGP info: %d\n", ret); |
149 | return ret; | |
150 | } | |
2dea2e29 JK |
151 | |
152 | if (rdev->ddev->agp->agp_info.aper_size < 32) { | |
4b866288 | 153 | drm_agp_release(rdev->ddev); |
2dea2e29 JK |
154 | dev_warn(rdev->dev, "AGP aperture too small (%zuM) " |
155 | "need at least 32M, disabling AGP\n", | |
156 | rdev->ddev->agp->agp_info.aper_size); | |
157 | return -EINVAL; | |
158 | } | |
159 | ||
771fe6b9 | 160 | mode.mode = info.mode; |
e57415d8 AD |
161 | /* chips with the agp to pcie bridge don't have the AGP_STATUS register |
162 | * Just use the whatever mode the host sets up. | |
163 | */ | |
164 | if (rdev->family <= CHIP_RV350) | |
165 | agp_status = (RREG32(RADEON_AGP_STATUS) | RADEON_AGPv3_MODE) & mode.mode; | |
166 | else | |
167 | agp_status = mode.mode; | |
771fe6b9 JG |
168 | is_v3 = !!(agp_status & RADEON_AGPv3_MODE); |
169 | ||
170 | if (is_v3) { | |
171 | default_mode = (agp_status & RADEON_AGPv3_8X_MODE) ? 8 : 4; | |
172 | } else { | |
173 | if (agp_status & RADEON_AGP_4X_MODE) { | |
174 | default_mode = 4; | |
175 | } else if (agp_status & RADEON_AGP_2X_MODE) { | |
176 | default_mode = 2; | |
177 | } else { | |
178 | default_mode = 1; | |
179 | } | |
180 | } | |
181 | ||
182 | /* Apply AGPMode Quirks */ | |
183 | while (p && p->chip_device != 0) { | |
184 | if (info.id_vendor == p->hostbridge_vendor && | |
185 | info.id_device == p->hostbridge_device && | |
186 | rdev->pdev->vendor == p->chip_vendor && | |
187 | rdev->pdev->device == p->chip_device && | |
188 | rdev->pdev->subsystem_vendor == p->subsys_vendor && | |
189 | rdev->pdev->subsystem_device == p->subsys_device) { | |
190 | default_mode = p->default_mode; | |
191 | } | |
192 | ++p; | |
193 | } | |
194 | ||
195 | if (radeon_agpmode > 0) { | |
196 | if ((radeon_agpmode < (is_v3 ? 4 : 1)) || | |
197 | (radeon_agpmode > (is_v3 ? 8 : 4)) || | |
198 | (radeon_agpmode & (radeon_agpmode - 1))) { | |
199 | DRM_ERROR("Illegal AGP Mode: %d (valid %s), leaving at %d\n", | |
200 | radeon_agpmode, is_v3 ? "4, 8" : "1, 2, 4", | |
201 | default_mode); | |
202 | radeon_agpmode = default_mode; | |
203 | } else { | |
204 | DRM_INFO("AGP mode requested: %d\n", radeon_agpmode); | |
205 | } | |
206 | } else { | |
207 | radeon_agpmode = default_mode; | |
208 | } | |
209 | ||
210 | mode.mode &= ~RADEON_AGP_MODE_MASK; | |
211 | if (is_v3) { | |
212 | switch (radeon_agpmode) { | |
213 | case 8: | |
214 | mode.mode |= RADEON_AGPv3_8X_MODE; | |
215 | break; | |
216 | case 4: | |
217 | default: | |
218 | mode.mode |= RADEON_AGPv3_4X_MODE; | |
219 | break; | |
220 | } | |
221 | } else { | |
222 | switch (radeon_agpmode) { | |
223 | case 4: | |
224 | mode.mode |= RADEON_AGP_4X_MODE; | |
225 | break; | |
226 | case 2: | |
227 | mode.mode |= RADEON_AGP_2X_MODE; | |
228 | break; | |
229 | case 1: | |
230 | default: | |
231 | mode.mode |= RADEON_AGP_1X_MODE; | |
232 | break; | |
233 | } | |
234 | } | |
235 | ||
236 | mode.mode &= ~RADEON_AGP_FW_MODE; /* disable fw */ | |
237 | ret = drm_agp_enable(rdev->ddev, mode); | |
238 | if (ret) { | |
239 | DRM_ERROR("Unable to enable AGP (mode = 0x%lx)\n", mode.mode); | |
4b866288 | 240 | drm_agp_release(rdev->ddev); |
771fe6b9 JG |
241 | return ret; |
242 | } | |
243 | ||
244 | rdev->mc.agp_base = rdev->ddev->agp->agp_info.aper_base; | |
245 | rdev->mc.gtt_size = rdev->ddev->agp->agp_info.aper_size << 20; | |
d594e46a JG |
246 | rdev->mc.gtt_start = rdev->mc.agp_base; |
247 | rdev->mc.gtt_end = rdev->mc.gtt_start + rdev->mc.gtt_size - 1; | |
248 | dev_info(rdev->dev, "GTT: %lluM 0x%08llX - 0x%08llX\n", | |
249 | rdev->mc.gtt_size >> 20, rdev->mc.gtt_start, rdev->mc.gtt_end); | |
771fe6b9 JG |
250 | |
251 | /* workaround some hw issues */ | |
252 | if (rdev->family < CHIP_R200) { | |
253 | WREG32(RADEON_AGP_CNTL, RREG32(RADEON_AGP_CNTL) | 0x000e0000); | |
254 | } | |
255 | return 0; | |
256 | #else | |
257 | return 0; | |
258 | #endif | |
259 | } | |
260 | ||
0ebf1717 DA |
261 | void radeon_agp_resume(struct radeon_device *rdev) |
262 | { | |
a7fb8a23 | 263 | #if IS_ENABLED(CONFIG_AGP) |
0ebf1717 DA |
264 | int r; |
265 | if (rdev->flags & RADEON_IS_AGP) { | |
266 | r = radeon_agp_init(rdev); | |
267 | if (r) | |
268 | dev_warn(rdev->dev, "radeon AGP reinit failed\n"); | |
269 | } | |
270 | #endif | |
271 | } | |
272 | ||
771fe6b9 JG |
273 | void radeon_agp_fini(struct radeon_device *rdev) |
274 | { | |
a7fb8a23 | 275 | #if IS_ENABLED(CONFIG_AGP) |
d0269ed8 JG |
276 | if (rdev->ddev->agp && rdev->ddev->agp->acquired) { |
277 | drm_agp_release(rdev->ddev); | |
771fe6b9 JG |
278 | } |
279 | #endif | |
280 | } | |
10b06122 JG |
281 | |
282 | void radeon_agp_suspend(struct radeon_device *rdev) | |
283 | { | |
284 | radeon_agp_fini(rdev); | |
285 | } |