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      1 /*	$NetBSD: nouveau_nvkm_subdev_pci_nv40.c,v 1.3 2021/12/18 23:45:41 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright 2015 Red Hat Inc.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the "Software"),
      8  * to deal in the Software without restriction, including without limitation
      9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     10  * and/or sell copies of the Software, and to permit persons to whom the
     11  * Software is furnished to do so, subject to the following conditions:
     12  *
     13  * The above copyright notice and this permission notice shall be included in
     14  * all copies or substantial portions of the Software.
     15  *
     16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     22  * OTHER DEALINGS IN THE SOFTWARE.
     23  *
     24  * Authors: Ben Skeggs <bskeggs (at) redhat.com>
     25  */
     26 #include <sys/cdefs.h>
     27 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_subdev_pci_nv40.c,v 1.3 2021/12/18 23:45:41 riastradh Exp $");
     28 
     29 #include "priv.h"
     30 
     31 u32
     32 nv40_pci_rd32(struct nvkm_pci *pci, u16 addr)
     33 {
     34 	struct nvkm_device *device = pci->subdev.device;
     35 	return nvkm_rd32(device, 0x088000 + addr);
     36 }
     37 
     38 void
     39 nv40_pci_wr08(struct nvkm_pci *pci, u16 addr, u8 data)
     40 {
     41 	struct nvkm_device *device = pci->subdev.device;
     42 	nvkm_wr08(device, 0x088000 + addr, data);
     43 }
     44 
     45 void
     46 nv40_pci_wr32(struct nvkm_pci *pci, u16 addr, u32 data)
     47 {
     48 	struct nvkm_device *device = pci->subdev.device;
     49 	nvkm_wr32(device, 0x088000 + addr, data);
     50 }
     51 
     52 void
     53 nv40_pci_msi_rearm(struct nvkm_pci *pci)
     54 {
     55 	nvkm_pci_wr08(pci, 0x0068, 0xff);
     56 }
     57 
     58 static const struct nvkm_pci_func
     59 nv40_pci_func = {
     60 	.rd32 = nv40_pci_rd32,
     61 	.wr08 = nv40_pci_wr08,
     62 	.wr32 = nv40_pci_wr32,
     63 	.msi_rearm = nv40_pci_msi_rearm,
     64 };
     65 
     66 int
     67 nv40_pci_new(struct nvkm_device *device, int index, struct nvkm_pci **ppci)
     68 {
     69 	return nvkm_pci_new_(&nv40_pci_func, device, index, ppci);
     70 }
     71