379 lines
12 KiB
C
379 lines
12 KiB
C
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/*
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* Copyright 2008 Red Hat Inc.
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* Copyright 2009 Jerome Glisse.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Dave Airlie
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* Jerome Glisse <glisse@freedesktop.org>
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*/
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#include <linux/pci.h>
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#include <drm/drm_device.h>
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#include <drm/radeon_drm.h>
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#include "radeon.h"
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#if IS_ENABLED(CONFIG_AGP)
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struct radeon_agpmode_quirk {
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u32 hostbridge_vendor;
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u32 hostbridge_device;
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u32 chip_vendor;
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u32 chip_device;
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u32 subsys_vendor;
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u32 subsys_device;
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u32 default_mode;
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};
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static struct radeon_agpmode_quirk radeon_agpmode_quirk_list[] = {
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/* Intel E7505 Memory Controller Hub / RV350 AR [Radeon 9600XT] Needs AGPMode 4 (deb #515326) */
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{ PCI_VENDOR_ID_INTEL, 0x2550, PCI_VENDOR_ID_ATI, 0x4152, 0x1458, 0x4038, 4},
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/* Intel 82865G/PE/P DRAM Controller/Host-Hub / Mobility 9800 Needs AGPMode 4 (deb #462590) */
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{ PCI_VENDOR_ID_INTEL, 0x2570, PCI_VENDOR_ID_ATI, 0x4a4e, PCI_VENDOR_ID_DELL, 0x5106, 4},
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/* Intel 82865G/PE/P DRAM Controller/Host-Hub / RV280 [Radeon 9200 SE] Needs AGPMode 4 (lp #300304) */
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{ PCI_VENDOR_ID_INTEL, 0x2570, PCI_VENDOR_ID_ATI, 0x5964,
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0x148c, 0x2073, 4},
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/* Intel 82855PM Processor to I/O Controller / Mobility M6 LY Needs AGPMode 1 (deb #467235) */
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{ PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4c59,
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PCI_VENDOR_ID_IBM, 0x052f, 1},
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/* Intel 82855PM host bridge / Mobility 9600 M10 RV350 Needs AGPMode 1 (lp #195051) */
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{ PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4e50,
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PCI_VENDOR_ID_IBM, 0x0550, 1},
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/* Intel 82855PM host bridge / RV250/M9 GL [Mobility FireGL 9000/Radeon 9000] needs AGPMode 1 (Thinkpad T40p) */
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{ PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4c66,
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PCI_VENDOR_ID_IBM, 0x054d, 1},
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/* Intel 82855PM host bridge / Mobility M7 needs AGPMode 1 */
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{ PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4c57,
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PCI_VENDOR_ID_IBM, 0x0530, 1},
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/* Intel 82855PM host bridge / FireGL Mobility T2 RV350 Needs AGPMode 2 (fdo #20647) */
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{ PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4e54,
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PCI_VENDOR_ID_IBM, 0x054f, 2},
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/* Intel 82855PM host bridge / Mobility M9+ / VaioPCG-V505DX Needs AGPMode 2 (fdo #17928) */
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{ PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x5c61,
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PCI_VENDOR_ID_SONY, 0x816b, 2},
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/* Intel 82855PM Processor to I/O Controller / Mobility M9+ Needs AGPMode 8 (phoronix forum) */
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{ PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x5c61,
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PCI_VENDOR_ID_SONY, 0x8195, 8},
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/* Intel 82830 830 Chipset Host Bridge / Mobility M6 LY Needs AGPMode 2 (fdo #17360)*/
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{ PCI_VENDOR_ID_INTEL, 0x3575, PCI_VENDOR_ID_ATI, 0x4c59,
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PCI_VENDOR_ID_DELL, 0x00e3, 2},
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/* Intel 82852/82855 host bridge / Mobility FireGL 9000 RV250 Needs AGPMode 1 (lp #296617) */
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{ PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4c66,
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PCI_VENDOR_ID_DELL, 0x0149, 1},
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/* Intel 82855PM host bridge / Mobility FireGL 9000 RV250 Needs AGPMode 1 for suspend/resume */
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{ PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4c66,
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PCI_VENDOR_ID_IBM, 0x0531, 1},
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/* Intel 82852/82855 host bridge / Mobility 9600 M10 RV350 Needs AGPMode 1 (deb #467460) */
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{ PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4e50,
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0x1025, 0x0061, 1},
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/* Intel 82852/82855 host bridge / Mobility 9600 M10 RV350 Needs AGPMode 1 (lp #203007) */
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{ PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4e50,
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0x1025, 0x0064, 1},
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/* Intel 82852/82855 host bridge / Mobility 9600 M10 RV350 Needs AGPMode 1 (lp #141551) */
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{ PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4e50,
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PCI_VENDOR_ID_ASUSTEK, 0x1942, 1},
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/* Intel 82852/82855 host bridge / Mobility 9600/9700 Needs AGPMode 1 (deb #510208) */
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{ PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4e50,
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0x10cf, 0x127f, 1},
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/* ASRock K7VT4A+ AGP 8x / ATI Radeon 9250 AGP Needs AGPMode 4 (lp #133192) */
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{ 0x1849, 0x3189, PCI_VENDOR_ID_ATI, 0x5960,
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0x1787, 0x5960, 4},
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/* VIA K8M800 Host Bridge / RV280 [Radeon 9200 PRO] Needs AGPMode 4 (fdo #12544) */
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{ PCI_VENDOR_ID_VIA, 0x0204, PCI_VENDOR_ID_ATI, 0x5960,
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0x17af, 0x2020, 4},
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/* VIA KT880 Host Bridge / RV350 [Radeon 9550] Needs AGPMode 4 (fdo #19981) */
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{ PCI_VENDOR_ID_VIA, 0x0269, PCI_VENDOR_ID_ATI, 0x4153,
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PCI_VENDOR_ID_ASUSTEK, 0x003c, 4},
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/* VIA VT8363 Host Bridge / R200 QL [Radeon 8500] Needs AGPMode 2 (lp #141551) */
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{ PCI_VENDOR_ID_VIA, 0x0305, PCI_VENDOR_ID_ATI, 0x514c,
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PCI_VENDOR_ID_ATI, 0x013a, 2},
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/* VIA VT82C693A Host Bridge / RV280 [Radeon 9200 PRO] Needs AGPMode 2 (deb #515512) */
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{ PCI_VENDOR_ID_VIA, 0x0691, PCI_VENDOR_ID_ATI, 0x5960,
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PCI_VENDOR_ID_ASUSTEK, 0x004c, 2},
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/* VIA VT82C693A Host Bridge / RV280 [Radeon 9200 PRO] Needs AGPMode 2 */
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{ PCI_VENDOR_ID_VIA, 0x0691, PCI_VENDOR_ID_ATI, 0x5960,
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PCI_VENDOR_ID_ASUSTEK, 0x0054, 2},
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/* VIA VT8377 Host Bridge / R200 QM [Radeon 9100] Needs AGPMode 4 (deb #461144) */
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{ PCI_VENDOR_ID_VIA, 0x3189, PCI_VENDOR_ID_ATI, 0x514d,
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0x174b, 0x7149, 4},
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/* VIA VT8377 Host Bridge / RV280 [Radeon 9200 PRO] Needs AGPMode 4 (lp #312693) */
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{ PCI_VENDOR_ID_VIA, 0x3189, PCI_VENDOR_ID_ATI, 0x5960,
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0x1462, 0x0380, 4},
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/* VIA VT8377 Host Bridge / RV280 Needs AGPMode 4 (ati ML) */
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{ PCI_VENDOR_ID_VIA, 0x3189, PCI_VENDOR_ID_ATI, 0x5964,
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0x148c, 0x2073, 4},
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/* ATI Host Bridge / RV280 [M9+] Needs AGPMode 1 (phoronix forum) */
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{ PCI_VENDOR_ID_ATI, 0xcbb2, PCI_VENDOR_ID_ATI, 0x5c61,
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PCI_VENDOR_ID_SONY, 0x8175, 1},
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{ 0, 0, 0, 0, 0, 0, 0 },
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};
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struct radeon_agp_head *radeon_agp_head_init(struct drm_device *dev)
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{
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struct pci_dev *pdev = to_pci_dev(dev->dev);
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struct radeon_agp_head *head = NULL;
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head = kzalloc(sizeof(*head), GFP_KERNEL);
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if (!head)
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return NULL;
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head->bridge = agp_find_bridge(pdev);
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if (!head->bridge) {
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head->bridge = agp_backend_acquire(pdev);
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if (!head->bridge) {
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kfree(head);
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return NULL;
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}
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agp_copy_info(head->bridge, &head->agp_info);
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agp_backend_release(head->bridge);
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} else {
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agp_copy_info(head->bridge, &head->agp_info);
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}
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if (head->agp_info.chipset == NOT_SUPPORTED) {
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kfree(head);
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return NULL;
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}
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INIT_LIST_HEAD(&head->memory);
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head->cant_use_aperture = head->agp_info.cant_use_aperture;
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head->page_mask = head->agp_info.page_mask;
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head->base = head->agp_info.aper_base;
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return head;
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}
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static int radeon_agp_head_acquire(struct radeon_device *rdev)
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{
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struct drm_device *dev = rdev->ddev;
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struct pci_dev *pdev = to_pci_dev(dev->dev);
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if (!rdev->agp)
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return -ENODEV;
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if (rdev->agp->acquired)
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return -EBUSY;
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rdev->agp->bridge = agp_backend_acquire(pdev);
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if (!rdev->agp->bridge)
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return -ENODEV;
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rdev->agp->acquired = 1;
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return 0;
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}
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static int radeon_agp_head_release(struct radeon_device *rdev)
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{
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if (!rdev->agp || !rdev->agp->acquired)
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return -EINVAL;
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agp_backend_release(rdev->agp->bridge);
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rdev->agp->acquired = 0;
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return 0;
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}
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static int radeon_agp_head_enable(struct radeon_device *rdev, struct radeon_agp_mode mode)
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{
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if (!rdev->agp || !rdev->agp->acquired)
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return -EINVAL;
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rdev->agp->mode = mode.mode;
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agp_enable(rdev->agp->bridge, mode.mode);
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rdev->agp->enabled = 1;
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return 0;
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}
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static int radeon_agp_head_info(struct radeon_device *rdev, struct radeon_agp_info *info)
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{
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struct agp_kern_info *kern;
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if (!rdev->agp || !rdev->agp->acquired)
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return -EINVAL;
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kern = &rdev->agp->agp_info;
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info->agp_version_major = kern->version.major;
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info->agp_version_minor = kern->version.minor;
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info->mode = kern->mode;
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info->aperture_base = kern->aper_base;
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info->aperture_size = kern->aper_size * 1024 * 1024;
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info->memory_allowed = kern->max_memory << PAGE_SHIFT;
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info->memory_used = kern->current_memory << PAGE_SHIFT;
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info->id_vendor = kern->device->vendor;
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info->id_device = kern->device->device;
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return 0;
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}
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#endif
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int radeon_agp_init(struct radeon_device *rdev)
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{
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#if IS_ENABLED(CONFIG_AGP)
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struct radeon_agpmode_quirk *p = radeon_agpmode_quirk_list;
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struct radeon_agp_mode mode;
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struct radeon_agp_info info;
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uint32_t agp_status;
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int default_mode;
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bool is_v3;
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int ret;
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/* Acquire AGP. */
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ret = radeon_agp_head_acquire(rdev);
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if (ret) {
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DRM_ERROR("Unable to acquire AGP: %d\n", ret);
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return ret;
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}
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ret = radeon_agp_head_info(rdev, &info);
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if (ret) {
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radeon_agp_head_release(rdev);
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DRM_ERROR("Unable to get AGP info: %d\n", ret);
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return ret;
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}
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if (rdev->agp->agp_info.aper_size < 32) {
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radeon_agp_head_release(rdev);
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dev_warn(rdev->dev, "AGP aperture too small (%zuM) "
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"need at least 32M, disabling AGP\n",
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rdev->agp->agp_info.aper_size);
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return -EINVAL;
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}
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mode.mode = info.mode;
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/* chips with the agp to pcie bridge don't have the AGP_STATUS register
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* Just use the whatever mode the host sets up.
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*/
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if (rdev->family <= CHIP_RV350)
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agp_status = (RREG32(RADEON_AGP_STATUS) | RADEON_AGPv3_MODE) & mode.mode;
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else
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agp_status = mode.mode;
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is_v3 = !!(agp_status & RADEON_AGPv3_MODE);
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if (is_v3) {
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default_mode = (agp_status & RADEON_AGPv3_8X_MODE) ? 8 : 4;
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} else {
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if (agp_status & RADEON_AGP_4X_MODE) {
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default_mode = 4;
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} else if (agp_status & RADEON_AGP_2X_MODE) {
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default_mode = 2;
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} else {
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default_mode = 1;
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}
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}
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/* Apply AGPMode Quirks */
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while (p && p->chip_device != 0) {
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if (info.id_vendor == p->hostbridge_vendor &&
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info.id_device == p->hostbridge_device &&
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rdev->pdev->vendor == p->chip_vendor &&
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rdev->pdev->device == p->chip_device &&
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rdev->pdev->subsystem_vendor == p->subsys_vendor &&
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rdev->pdev->subsystem_device == p->subsys_device) {
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default_mode = p->default_mode;
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}
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++p;
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}
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if (radeon_agpmode > 0) {
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if ((radeon_agpmode < (is_v3 ? 4 : 1)) ||
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(radeon_agpmode > (is_v3 ? 8 : 4)) ||
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(radeon_agpmode & (radeon_agpmode - 1))) {
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DRM_ERROR("Illegal AGP Mode: %d (valid %s), leaving at %d\n",
|
||
|
|
radeon_agpmode, is_v3 ? "4, 8" : "1, 2, 4",
|
||
|
|
default_mode);
|
||
|
|
radeon_agpmode = default_mode;
|
||
|
|
} else {
|
||
|
|
DRM_INFO("AGP mode requested: %d\n", radeon_agpmode);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
radeon_agpmode = default_mode;
|
||
|
|
}
|
||
|
|
|
||
|
|
mode.mode &= ~RADEON_AGP_MODE_MASK;
|
||
|
|
if (is_v3) {
|
||
|
|
switch (radeon_agpmode) {
|
||
|
|
case 8:
|
||
|
|
mode.mode |= RADEON_AGPv3_8X_MODE;
|
||
|
|
break;
|
||
|
|
case 4:
|
||
|
|
default:
|
||
|
|
mode.mode |= RADEON_AGPv3_4X_MODE;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
switch (radeon_agpmode) {
|
||
|
|
case 4:
|
||
|
|
mode.mode |= RADEON_AGP_4X_MODE;
|
||
|
|
break;
|
||
|
|
case 2:
|
||
|
|
mode.mode |= RADEON_AGP_2X_MODE;
|
||
|
|
break;
|
||
|
|
case 1:
|
||
|
|
default:
|
||
|
|
mode.mode |= RADEON_AGP_1X_MODE;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
mode.mode &= ~RADEON_AGP_FW_MODE; /* disable fw */
|
||
|
|
ret = radeon_agp_head_enable(rdev, mode);
|
||
|
|
if (ret) {
|
||
|
|
DRM_ERROR("Unable to enable AGP (mode = 0x%lx)\n", mode.mode);
|
||
|
|
radeon_agp_head_release(rdev);
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
rdev->mc.agp_base = rdev->agp->agp_info.aper_base;
|
||
|
|
rdev->mc.gtt_size = rdev->agp->agp_info.aper_size << 20;
|
||
|
|
rdev->mc.gtt_start = rdev->mc.agp_base;
|
||
|
|
rdev->mc.gtt_end = rdev->mc.gtt_start + rdev->mc.gtt_size - 1;
|
||
|
|
dev_info(rdev->dev, "GTT: %lluM 0x%08llX - 0x%08llX\n",
|
||
|
|
rdev->mc.gtt_size >> 20, rdev->mc.gtt_start, rdev->mc.gtt_end);
|
||
|
|
|
||
|
|
/* workaround some hw issues */
|
||
|
|
if (rdev->family < CHIP_R200) {
|
||
|
|
WREG32(RADEON_AGP_CNTL, RREG32(RADEON_AGP_CNTL) | 0x000e0000);
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
#else
|
||
|
|
return 0;
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
void radeon_agp_resume(struct radeon_device *rdev)
|
||
|
|
{
|
||
|
|
#if IS_ENABLED(CONFIG_AGP)
|
||
|
|
int r;
|
||
|
|
if (rdev->flags & RADEON_IS_AGP) {
|
||
|
|
r = radeon_agp_init(rdev);
|
||
|
|
if (r)
|
||
|
|
dev_warn(rdev->dev, "radeon AGP reinit failed\n");
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
void radeon_agp_fini(struct radeon_device *rdev)
|
||
|
|
{
|
||
|
|
#if IS_ENABLED(CONFIG_AGP)
|
||
|
|
if (rdev->agp && rdev->agp->acquired) {
|
||
|
|
radeon_agp_head_release(rdev);
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
void radeon_agp_suspend(struct radeon_device *rdev)
|
||
|
|
{
|
||
|
|
radeon_agp_fini(rdev);
|
||
|
|
}
|