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1/*2 * Copyright 2015 Red Hat Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR20 * OTHER DEALINGS IN THE SOFTWARE.21 *22 * Authors: Ben Skeggs <bskeggs@redhat.com>23 */24#include "priv.h"25 26int27g92_pcie_version_supported(struct nvkm_pci *pci)28{29 if ((nvkm_pci_rd32(pci, 0x460) & 0x200) == 0x200)30 return 2;31 return 1;32}33 34static const struct nvkm_pci_func35g92_pci_func = {36 .init = g84_pci_init,37 .rd32 = nv40_pci_rd32,38 .wr08 = nv40_pci_wr08,39 .wr32 = nv40_pci_wr32,40 .msi_rearm = nv46_pci_msi_rearm,41 42 .pcie.init = g84_pcie_init,43 .pcie.set_link = g84_pcie_set_link,44 45 .pcie.max_speed = g84_pcie_max_speed,46 .pcie.cur_speed = g84_pcie_cur_speed,47 48 .pcie.set_version = g84_pcie_set_version,49 .pcie.version = g84_pcie_version,50 .pcie.version_supported = g92_pcie_version_supported,51};52 53int54g92_pci_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,55 struct nvkm_pci **ppci)56{57 return nvkm_pci_new_(&g92_pci_func, device, type, inst, ppci);58}59