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      1 /*	$NetBSD: nouveau_nvkm_subdev_mc_nv44.c,v 1.3 2021/12/18 23:45:40 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright 2012 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
     25  */
     26 #include <sys/cdefs.h>
     27 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_subdev_mc_nv44.c,v 1.3 2021/12/18 23:45:40 riastradh Exp $");
     28 
     29 #include "priv.h"
     30 
     31 void
     32 nv44_mc_init(struct nvkm_mc *mc)
     33 {
     34 	struct nvkm_device *device = mc->subdev.device;
     35 	u32 tmp = nvkm_rd32(device, 0x10020c);
     36 
     37 	nvkm_wr32(device, 0x000200, 0xffffffff); /* everything enabled */
     38 
     39 	nvkm_wr32(device, 0x001700, tmp);
     40 	nvkm_wr32(device, 0x001704, 0);
     41 	nvkm_wr32(device, 0x001708, 0);
     42 	nvkm_wr32(device, 0x00170c, tmp);
     43 }
     44 
     45 static const struct nvkm_mc_func
     46 nv44_mc = {
     47 	.init = nv44_mc_init,
     48 	.intr = nv17_mc_intr,
     49 	.intr_unarm = nv04_mc_intr_unarm,
     50 	.intr_rearm = nv04_mc_intr_rearm,
     51 	.intr_stat = nv04_mc_intr_stat,
     52 	.reset = nv17_mc_reset,
     53 };
     54 
     55 int
     56 nv44_mc_new(struct nvkm_device *device, int index, struct nvkm_mc **pmc)
     57 {
     58 	return nvkm_mc_new_(&nv44_mc, device, index, pmc);
     59 }
     60