2 * Copyright 2008 Red Hat Inc.
3 * Copyright 2009 Jerome Glisse.
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:
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
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.
25 * Jerome Glisse <glisse@freedesktop.org>
29 #include <drm/radeon_drm.h>
31 #if IS_ENABLED(CONFIG_AGP)
33 struct radeon_agpmode_quirk {
34 u32 hostbridge_vendor;
35 u32 hostbridge_device;
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,
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},
57 /* Intel 82855PM host bridge / Mobility M7 needs AGPMode 1 */
58 { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4c57,
59 PCI_VENDOR_ID_IBM, 0x0530, 1},
60 /* Intel 82855PM host bridge / FireGL Mobility T2 RV350 Needs AGPMode 2 (fdo #20647) */
61 { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4e54,
62 PCI_VENDOR_ID_IBM, 0x054f, 2},
63 /* Intel 82855PM host bridge / Mobility M9+ / VaioPCG-V505DX Needs AGPMode 2 (fdo #17928) */
64 { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x5c61,
65 PCI_VENDOR_ID_SONY, 0x816b, 2},
66 /* Intel 82855PM Processor to I/O Controller / Mobility M9+ Needs AGPMode 8 (phoronix forum) */
67 { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x5c61,
68 PCI_VENDOR_ID_SONY, 0x8195, 8},
69 /* Intel 82830 830 Chipset Host Bridge / Mobility M6 LY Needs AGPMode 2 (fdo #17360)*/
70 { PCI_VENDOR_ID_INTEL, 0x3575, PCI_VENDOR_ID_ATI, 0x4c59,
71 PCI_VENDOR_ID_DELL, 0x00e3, 2},
72 /* Intel 82852/82855 host bridge / Mobility FireGL 9000 RV250 Needs AGPMode 1 (lp #296617) */
73 { PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4c66,
74 PCI_VENDOR_ID_DELL, 0x0149, 1},
75 /* Intel 82855PM host bridge / Mobility FireGL 9000 RV250 Needs AGPMode 1 for suspend/resume */
76 { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4c66,
77 PCI_VENDOR_ID_IBM, 0x0531, 1},
78 /* Intel 82852/82855 host bridge / Mobility 9600 M10 RV350 Needs AGPMode 1 (deb #467460) */
79 { PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4e50,
81 /* Intel 82852/82855 host bridge / Mobility 9600 M10 RV350 Needs AGPMode 1 (lp #203007) */
82 { PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4e50,
84 /* Intel 82852/82855 host bridge / Mobility 9600 M10 RV350 Needs AGPMode 1 (lp #141551) */
85 { PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4e50,
86 PCI_VENDOR_ID_ASUSTEK, 0x1942, 1},
87 /* Intel 82852/82855 host bridge / Mobility 9600/9700 Needs AGPMode 1 (deb #510208) */
88 { PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4e50,
90 /* ASRock K7VT4A+ AGP 8x / ATI Radeon 9250 AGP Needs AGPMode 4 (lp #133192) */
91 { 0x1849, 0x3189, PCI_VENDOR_ID_ATI, 0x5960,
93 /* VIA K8M800 Host Bridge / RV280 [Radeon 9200 PRO] Needs AGPMode 4 (fdo #12544) */
94 { PCI_VENDOR_ID_VIA, 0x0204, PCI_VENDOR_ID_ATI, 0x5960,
96 /* VIA KT880 Host Bridge / RV350 [Radeon 9550] Needs AGPMode 4 (fdo #19981) */
97 { PCI_VENDOR_ID_VIA, 0x0269, PCI_VENDOR_ID_ATI, 0x4153,
98 PCI_VENDOR_ID_ASUSTEK, 0x003c, 4},
99 /* VIA VT8363 Host Bridge / R200 QL [Radeon 8500] Needs AGPMode 2 (lp #141551) */
100 { PCI_VENDOR_ID_VIA, 0x0305, PCI_VENDOR_ID_ATI, 0x514c,
101 PCI_VENDOR_ID_ATI, 0x013a, 2},
102 /* VIA VT82C693A Host Bridge / RV280 [Radeon 9200 PRO] Needs AGPMode 2 (deb #515512) */
103 { PCI_VENDOR_ID_VIA, 0x0691, PCI_VENDOR_ID_ATI, 0x5960,
104 PCI_VENDOR_ID_ASUSTEK, 0x004c, 2},
105 /* VIA VT82C693A Host Bridge / RV280 [Radeon 9200 PRO] Needs AGPMode 2 */
106 { PCI_VENDOR_ID_VIA, 0x0691, PCI_VENDOR_ID_ATI, 0x5960,
107 PCI_VENDOR_ID_ASUSTEK, 0x0054, 2},
108 /* VIA VT8377 Host Bridge / R200 QM [Radeon 9100] Needs AGPMode 4 (deb #461144) */
109 { PCI_VENDOR_ID_VIA, 0x3189, PCI_VENDOR_ID_ATI, 0x514d,
111 /* VIA VT8377 Host Bridge / RV280 [Radeon 9200 PRO] Needs AGPMode 4 (lp #312693) */
112 { PCI_VENDOR_ID_VIA, 0x3189, PCI_VENDOR_ID_ATI, 0x5960,
114 /* VIA VT8377 Host Bridge / RV280 Needs AGPMode 4 (ati ML) */
115 { PCI_VENDOR_ID_VIA, 0x3189, PCI_VENDOR_ID_ATI, 0x5964,
117 /* ATI Host Bridge / RV280 [M9+] Needs AGPMode 1 (phoronix forum) */
118 { PCI_VENDOR_ID_ATI, 0xcbb2, PCI_VENDOR_ID_ATI, 0x5c61,
119 PCI_VENDOR_ID_SONY, 0x8175, 1},
120 { 0, 0, 0, 0, 0, 0, 0 },
124 int radeon_agp_init(struct radeon_device *rdev)
126 #if IS_ENABLED(CONFIG_AGP)
127 struct radeon_agpmode_quirk *p = radeon_agpmode_quirk_list;
128 struct drm_agp_mode mode;
129 struct drm_agp_info info;
136 ret = drm_agp_acquire(rdev->ddev);
138 DRM_ERROR("Unable to acquire AGP: %d\n", ret);
142 ret = drm_agp_info(rdev->ddev, &info);
144 drm_agp_release(rdev->ddev);
145 DRM_ERROR("Unable to get AGP info: %d\n", ret);
149 if (rdev->ddev->agp->agp_info.aper_size < 32) {
150 drm_agp_release(rdev->ddev);
151 dev_warn(rdev->dev, "AGP aperture too small (%zuM) "
152 "need at least 32M, disabling AGP\n",
153 rdev->ddev->agp->agp_info.aper_size);
157 mode.mode = info.mode;
158 /* chips with the agp to pcie bridge don't have the AGP_STATUS register
159 * Just use the whatever mode the host sets up.
161 if (rdev->family <= CHIP_RV350)
162 agp_status = (RREG32(RADEON_AGP_STATUS) | RADEON_AGPv3_MODE) & mode.mode;
164 agp_status = mode.mode;
165 is_v3 = !!(agp_status & RADEON_AGPv3_MODE);
168 default_mode = (agp_status & RADEON_AGPv3_8X_MODE) ? 8 : 4;
170 if (agp_status & RADEON_AGP_4X_MODE) {
172 } else if (agp_status & RADEON_AGP_2X_MODE) {
179 /* Apply AGPMode Quirks */
180 while (p && p->chip_device != 0) {
181 if (info.id_vendor == p->hostbridge_vendor &&
182 info.id_device == p->hostbridge_device &&
183 rdev->pdev->vendor == p->chip_vendor &&
184 rdev->pdev->device == p->chip_device &&
185 rdev->pdev->subsystem_vendor == p->subsys_vendor &&
186 rdev->pdev->subsystem_device == p->subsys_device) {
187 default_mode = p->default_mode;
192 if (radeon_agpmode > 0) {
193 if ((radeon_agpmode < (is_v3 ? 4 : 1)) ||
194 (radeon_agpmode > (is_v3 ? 8 : 4)) ||
195 (radeon_agpmode & (radeon_agpmode - 1))) {
196 DRM_ERROR("Illegal AGP Mode: %d (valid %s), leaving at %d\n",
197 radeon_agpmode, is_v3 ? "4, 8" : "1, 2, 4",
199 radeon_agpmode = default_mode;
201 DRM_INFO("AGP mode requested: %d\n", radeon_agpmode);
204 radeon_agpmode = default_mode;
207 mode.mode &= ~RADEON_AGP_MODE_MASK;
209 switch (radeon_agpmode) {
211 mode.mode |= RADEON_AGPv3_8X_MODE;
215 mode.mode |= RADEON_AGPv3_4X_MODE;
219 switch (radeon_agpmode) {
221 mode.mode |= RADEON_AGP_4X_MODE;
224 mode.mode |= RADEON_AGP_2X_MODE;
228 mode.mode |= RADEON_AGP_1X_MODE;
233 mode.mode &= ~RADEON_AGP_FW_MODE; /* disable fw */
234 ret = drm_agp_enable(rdev->ddev, mode);
236 DRM_ERROR("Unable to enable AGP (mode = 0x%lx)\n", mode.mode);
237 drm_agp_release(rdev->ddev);
241 rdev->mc.agp_base = rdev->ddev->agp->agp_info.aper_base;
242 rdev->mc.gtt_size = rdev->ddev->agp->agp_info.aper_size << 20;
243 rdev->mc.gtt_start = rdev->mc.agp_base;
244 rdev->mc.gtt_end = rdev->mc.gtt_start + rdev->mc.gtt_size - 1;
245 dev_info(rdev->dev, "GTT: %lluM 0x%08llX - 0x%08llX\n",
246 rdev->mc.gtt_size >> 20, rdev->mc.gtt_start, rdev->mc.gtt_end);
248 /* workaround some hw issues */
249 if (rdev->family < CHIP_R200) {
250 WREG32(RADEON_AGP_CNTL, RREG32(RADEON_AGP_CNTL) | 0x000e0000);
258 void radeon_agp_resume(struct radeon_device *rdev)
260 #if IS_ENABLED(CONFIG_AGP)
262 if (rdev->flags & RADEON_IS_AGP) {
263 r = radeon_agp_init(rdev);
265 dev_warn(rdev->dev, "radeon AGP reinit failed\n");
270 void radeon_agp_fini(struct radeon_device *rdev)
272 #if IS_ENABLED(CONFIG_AGP)
273 if (rdev->ddev->agp && rdev->ddev->agp->acquired) {
274 drm_agp_release(rdev->ddev);
279 void radeon_agp_suspend(struct radeon_device *rdev)
281 radeon_agp_fini(rdev);