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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_agp.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_agp.c249
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diff --git a/drivers/gpu/drm/radeon/radeon_agp.c b/drivers/gpu/drm/radeon/radeon_agp.c
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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 */
27#include "drmP.h"
28#include "drm.h"
29#include "radeon.h"
30#include "radeon_drm.h"
31
32#if __OS_HAS_AGP
33
34struct radeon_agpmode_quirk {
35 u32 hostbridge_vendor;
36 u32 hostbridge_device;
37 u32 chip_vendor;
38 u32 chip_device;
39 u32 subsys_vendor;
40 u32 subsys_device;
41 u32 default_mode;
42};
43
44static struct radeon_agpmode_quirk radeon_agpmode_quirk_list[] = {
45 /* Intel E7505 Memory Controller Hub / RV350 AR [Radeon 9600XT] Needs AGPMode 4 (deb #515326) */
46 { PCI_VENDOR_ID_INTEL, 0x2550, PCI_VENDOR_ID_ATI, 0x4152, 0x1458, 0x4038, 4},
47 /* Intel 82865G/PE/P DRAM Controller/Host-Hub / Mobility 9800 Needs AGPMode 4 (deb #462590) */
48 { PCI_VENDOR_ID_INTEL, 0x2570, PCI_VENDOR_ID_ATI, 0x4a4e, PCI_VENDOR_ID_DELL, 0x5106, 4},
49 /* Intel 82865G/PE/P DRAM Controller/Host-Hub / RV280 [Radeon 9200 SE] Needs AGPMode 4 (lp #300304) */
50 { PCI_VENDOR_ID_INTEL, 0x2570, PCI_VENDOR_ID_ATI, 0x5964,
51 0x148c, 0x2073, 4},
52 /* Intel 82855PM Processor to I/O Controller / Mobility M6 LY Needs AGPMode 1 (deb #467235) */
53 { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4c59,
54 PCI_VENDOR_ID_IBM, 0x052f, 1},
55 /* Intel 82855PM host bridge / Mobility 9600 M10 RV350 Needs AGPMode 1 (lp #195051) */
56 { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4e50,
57 PCI_VENDOR_ID_IBM, 0x0550, 1},
58 /* Intel 82855PM host bridge / Mobility M7 needs AGPMode 1 */
59 { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4c57,
60 PCI_VENDOR_ID_IBM, 0x0530, 1},
61 /* Intel 82855PM host bridge / FireGL Mobility T2 RV350 Needs AGPMode 2 (fdo #20647) */
62 { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4e54,
63 PCI_VENDOR_ID_IBM, 0x054f, 2},
64 /* Intel 82855PM host bridge / Mobility M9+ / VaioPCG-V505DX Needs AGPMode 2 (fdo #17928) */
65 { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x5c61,
66 PCI_VENDOR_ID_SONY, 0x816b, 2},
67 /* Intel 82855PM Processor to I/O Controller / Mobility M9+ Needs AGPMode 8 (phoronix forum) */
68 { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x5c61,
69 PCI_VENDOR_ID_SONY, 0x8195, 8},
70 /* Intel 82830 830 Chipset Host Bridge / Mobility M6 LY Needs AGPMode 2 (fdo #17360)*/
71 { PCI_VENDOR_ID_INTEL, 0x3575, PCI_VENDOR_ID_ATI, 0x4c59,
72 PCI_VENDOR_ID_DELL, 0x00e3, 2},
73 /* Intel 82852/82855 host bridge / Mobility FireGL 9000 R250 Needs AGPMode 1 (lp #296617) */
74 { PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4c66,
75 PCI_VENDOR_ID_DELL, 0x0149, 1},
76 /* Intel 82852/82855 host bridge / Mobility 9600 M10 RV350 Needs AGPMode 1 (deb #467460) */
77 { PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4e50,
78 0x1025, 0x0061, 1},
79 /* Intel 82852/82855 host bridge / Mobility 9600 M10 RV350 Needs AGPMode 1 (lp #203007) */
80 { PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4e50,
81 0x1025, 0x0064, 1},
82 /* Intel 82852/82855 host bridge / Mobility 9600 M10 RV350 Needs AGPMode 1 (lp #141551) */
83 { PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4e50,
84 PCI_VENDOR_ID_ASUSTEK, 0x1942, 1},
85 /* Intel 82852/82855 host bridge / Mobility 9600/9700 Needs AGPMode 1 (deb #510208) */
86 { PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4e50,
87 0x10cf, 0x127f, 1},
88 /* ASRock K7VT4A+ AGP 8x / ATI Radeon 9250 AGP Needs AGPMode 4 (lp #133192) */
89 { 0x1849, 0x3189, PCI_VENDOR_ID_ATI, 0x5960,
90 0x1787, 0x5960, 4},
91 /* VIA K8M800 Host Bridge / RV280 [Radeon 9200 PRO] Needs AGPMode 4 (fdo #12544) */
92 { PCI_VENDOR_ID_VIA, 0x0204, PCI_VENDOR_ID_ATI, 0x5960,
93 0x17af, 0x2020, 4},
94 /* VIA KT880 Host Bridge / RV350 [Radeon 9550] Needs AGPMode 4 (fdo #19981) */
95 { PCI_VENDOR_ID_VIA, 0x0269, PCI_VENDOR_ID_ATI, 0x4153,
96 PCI_VENDOR_ID_ASUSTEK, 0x003c, 4},
97 /* VIA VT8363 Host Bridge / R200 QL [Radeon 8500] Needs AGPMode 2 (lp #141551) */
98 { PCI_VENDOR_ID_VIA, 0x0305, PCI_VENDOR_ID_ATI, 0x514c,
99 PCI_VENDOR_ID_ATI, 0x013a, 2},
100 /* VIA VT82C693A Host Bridge / RV280 [Radeon 9200 PRO] Needs AGPMode 2 (deb #515512) */
101 { PCI_VENDOR_ID_VIA, 0x0691, PCI_VENDOR_ID_ATI, 0x5960,
102 PCI_VENDOR_ID_ASUSTEK, 0x004c, 2},
103 /* VIA VT82C693A Host Bridge / RV280 [Radeon 9200 PRO] Needs AGPMode 2 */
104 { PCI_VENDOR_ID_VIA, 0x0691, PCI_VENDOR_ID_ATI, 0x5960,
105 PCI_VENDOR_ID_ASUSTEK, 0x0054, 2},
106 /* VIA VT8377 Host Bridge / R200 QM [Radeon 9100] Needs AGPMode 4 (deb #461144) */
107 { PCI_VENDOR_ID_VIA, 0x3189, PCI_VENDOR_ID_ATI, 0x514d,
108 0x174b, 0x7149, 4},
109 /* VIA VT8377 Host Bridge / RV280 [Radeon 9200 PRO] Needs AGPMode 4 (lp #312693) */
110 { PCI_VENDOR_ID_VIA, 0x3189, PCI_VENDOR_ID_ATI, 0x5960,
111 0x1462, 0x0380, 4},
112 /* VIA VT8377 Host Bridge / RV280 Needs AGPMode 4 (ati ML) */
113 { PCI_VENDOR_ID_VIA, 0x3189, PCI_VENDOR_ID_ATI, 0x5964,
114 0x148c, 0x2073, 4},
115 /* ATI Host Bridge / RV280 [M9+] Needs AGPMode 1 (phoronix forum) */
116 { PCI_VENDOR_ID_ATI, 0xcbb2, PCI_VENDOR_ID_ATI, 0x5c61,
117 PCI_VENDOR_ID_SONY, 0x8175, 1},
118 /* HP Host Bridge / R300 [FireGL X1] Needs AGPMode 2 (fdo #7770) */
119 { PCI_VENDOR_ID_HP, 0x122e, PCI_VENDOR_ID_ATI, 0x4e47,
120 PCI_VENDOR_ID_ATI, 0x0152, 2},
121 { 0, 0, 0, 0, 0, 0, 0 },
122};
123#endif
124
125int radeon_agp_init(struct radeon_device *rdev)
126{
127#if __OS_HAS_AGP
128 struct radeon_agpmode_quirk *p = radeon_agpmode_quirk_list;
129 struct drm_agp_mode mode;
130 struct drm_agp_info info;
131 uint32_t agp_status;
132 int default_mode;
133 bool is_v3;
134 int ret;
135
136 /* Acquire AGP. */
137 if (!rdev->ddev->agp->acquired) {
138 ret = drm_agp_acquire(rdev->ddev);
139 if (ret) {
140 DRM_ERROR("Unable to acquire AGP: %d\n", ret);
141 return ret;
142 }
143 }
144
145 ret = drm_agp_info(rdev->ddev, &info);
146 if (ret) {
147 DRM_ERROR("Unable to get AGP info: %d\n", ret);
148 return ret;
149 }
150 mode.mode = info.mode;
151 agp_status = (RREG32(RADEON_AGP_STATUS) | RADEON_AGPv3_MODE) & mode.mode;
152 is_v3 = !!(agp_status & RADEON_AGPv3_MODE);
153
154 if (is_v3) {
155 default_mode = (agp_status & RADEON_AGPv3_8X_MODE) ? 8 : 4;
156 } else {
157 if (agp_status & RADEON_AGP_4X_MODE) {
158 default_mode = 4;
159 } else if (agp_status & RADEON_AGP_2X_MODE) {
160 default_mode = 2;
161 } else {
162 default_mode = 1;
163 }
164 }
165
166 /* Apply AGPMode Quirks */
167 while (p && p->chip_device != 0) {
168 if (info.id_vendor == p->hostbridge_vendor &&
169 info.id_device == p->hostbridge_device &&
170 rdev->pdev->vendor == p->chip_vendor &&
171 rdev->pdev->device == p->chip_device &&
172 rdev->pdev->subsystem_vendor == p->subsys_vendor &&
173 rdev->pdev->subsystem_device == p->subsys_device) {
174 default_mode = p->default_mode;
175 }
176 ++p;
177 }
178
179 if (radeon_agpmode > 0) {
180 if ((radeon_agpmode < (is_v3 ? 4 : 1)) ||
181 (radeon_agpmode > (is_v3 ? 8 : 4)) ||
182 (radeon_agpmode & (radeon_agpmode - 1))) {
183 DRM_ERROR("Illegal AGP Mode: %d (valid %s), leaving at %d\n",
184 radeon_agpmode, is_v3 ? "4, 8" : "1, 2, 4",
185 default_mode);
186 radeon_agpmode = default_mode;
187 } else {
188 DRM_INFO("AGP mode requested: %d\n", radeon_agpmode);
189 }
190 } else {
191 radeon_agpmode = default_mode;
192 }
193
194 mode.mode &= ~RADEON_AGP_MODE_MASK;
195 if (is_v3) {
196 switch (radeon_agpmode) {
197 case 8:
198 mode.mode |= RADEON_AGPv3_8X_MODE;
199 break;
200 case 4:
201 default:
202 mode.mode |= RADEON_AGPv3_4X_MODE;
203 break;
204 }
205 } else {
206 switch (radeon_agpmode) {
207 case 4:
208 mode.mode |= RADEON_AGP_4X_MODE;
209 break;
210 case 2:
211 mode.mode |= RADEON_AGP_2X_MODE;
212 break;
213 case 1:
214 default:
215 mode.mode |= RADEON_AGP_1X_MODE;
216 break;
217 }
218 }
219
220 mode.mode &= ~RADEON_AGP_FW_MODE; /* disable fw */
221 ret = drm_agp_enable(rdev->ddev, mode);
222 if (ret) {
223 DRM_ERROR("Unable to enable AGP (mode = 0x%lx)\n", mode.mode);
224 return ret;
225 }
226
227 rdev->mc.agp_base = rdev->ddev->agp->agp_info.aper_base;
228 rdev->mc.gtt_size = rdev->ddev->agp->agp_info.aper_size << 20;
229
230 /* workaround some hw issues */
231 if (rdev->family < CHIP_R200) {
232 WREG32(RADEON_AGP_CNTL, RREG32(RADEON_AGP_CNTL) | 0x000e0000);
233 }
234 return 0;
235#else
236 return 0;
237#endif
238}
239
240void radeon_agp_fini(struct radeon_device *rdev)
241{
242#if __OS_HAS_AGP
243 if (rdev->flags & RADEON_IS_AGP) {
244 if (rdev->ddev->agp && rdev->ddev->agp->acquired) {
245 drm_agp_release(rdev->ddev);
246 }
247 }
248#endif
249}
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-26 19:58:14 -0500