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      1 /*	$NetBSD: nouveau_nvkm_engine_fifo_gk110.c,v 1.2 2021/12/18 23:45:35 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright 2016 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_engine_fifo_gk110.c,v 1.2 2021/12/18 23:45:35 riastradh Exp $");
     28 
     29 #include "gk104.h"
     30 #include "cgrp.h"
     31 #include "changk104.h"
     32 
     33 #include <core/memory.h>
     34 
     35 #include <nvif/class.h>
     36 
     37 void
     38 gk110_fifo_runlist_cgrp(struct nvkm_fifo_cgrp *cgrp,
     39 			struct nvkm_memory *memory, u32 offset)
     40 {
     41 	nvkm_wo32(memory, offset + 0, (cgrp->chan_nr << 26) | (128 << 18) |
     42 				      (3 << 14) | 0x00002000 | cgrp->id);
     43 	nvkm_wo32(memory, offset + 4, 0x00000000);
     44 }
     45 
     46 const struct gk104_fifo_runlist_func
     47 gk110_fifo_runlist = {
     48 	.size = 8,
     49 	.cgrp = gk110_fifo_runlist_cgrp,
     50 	.chan = gk104_fifo_runlist_chan,
     51 	.commit = gk104_fifo_runlist_commit,
     52 };
     53 
     54 static const struct gk104_fifo_func
     55 gk110_fifo = {
     56 	.intr.fault = gf100_fifo_intr_fault,
     57 	.pbdma = &gk104_fifo_pbdma,
     58 	.fault.access = gk104_fifo_fault_access,
     59 	.fault.engine = gk104_fifo_fault_engine,
     60 	.fault.reason = gk104_fifo_fault_reason,
     61 	.fault.hubclient = gk104_fifo_fault_hubclient,
     62 	.fault.gpcclient = gk104_fifo_fault_gpcclient,
     63 	.runlist = &gk110_fifo_runlist,
     64 	.chan = {{0,0,KEPLER_CHANNEL_GPFIFO_B}, gk104_fifo_gpfifo_new },
     65 };
     66 
     67 int
     68 gk110_fifo_new(struct nvkm_device *device, int index, struct nvkm_fifo **pfifo)
     69 {
     70 	return gk104_fifo_new_(&gk110_fifo, device, index, 4096, pfifo);
     71 }
     72