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      1 /*	$NetBSD: nouveau_nvkm_engine_ce_gf100.c,v 1.3 2021/12/18 23:45:34 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_engine_ce_gf100.c,v 1.3 2021/12/18 23:45:34 riastradh Exp $");
     28 
     29 #include "priv.h"
     30 #include "fuc/gf100.fuc3.h"
     31 
     32 #include <nvif/class.h>
     33 
     34 static void
     35 gf100_ce_init(struct nvkm_falcon *ce)
     36 {
     37 	struct nvkm_device *device = ce->engine.subdev.device;
     38 	const int index = ce->engine.subdev.index - NVKM_ENGINE_CE0;
     39 	nvkm_wr32(device, ce->addr + 0x084, index);
     40 }
     41 
     42 static const struct nvkm_falcon_func
     43 gf100_ce0 = {
     44 	.code.data = gf100_ce_code,
     45 	.code.size = sizeof(gf100_ce_code),
     46 	.data.data = gf100_ce_data,
     47 	.data.size = sizeof(gf100_ce_data),
     48 	.init = gf100_ce_init,
     49 	.intr = gt215_ce_intr,
     50 	.sclass = {
     51 		{ -1, -1, FERMI_DMA },
     52 		{}
     53 	}
     54 };
     55 
     56 static const struct nvkm_falcon_func
     57 gf100_ce1 = {
     58 	.code.data = gf100_ce_code,
     59 	.code.size = sizeof(gf100_ce_code),
     60 	.data.data = gf100_ce_data,
     61 	.data.size = sizeof(gf100_ce_data),
     62 	.init = gf100_ce_init,
     63 	.intr = gt215_ce_intr,
     64 	.sclass = {
     65 		{ -1, -1, FERMI_DECOMPRESS },
     66 		{}
     67 	}
     68 };
     69 
     70 int
     71 gf100_ce_new(struct nvkm_device *device, int index,
     72 	     struct nvkm_engine **pengine)
     73 {
     74 	if (index == NVKM_ENGINE_CE0) {
     75 		return nvkm_falcon_new_(&gf100_ce0, device, index, true,
     76 					0x104000, pengine);
     77 	} else
     78 	if (index == NVKM_ENGINE_CE1) {
     79 		return nvkm_falcon_new_(&gf100_ce1, device, index, true,
     80 					0x105000, pengine);
     81 	}
     82 	return -ENODEV;
     83 }
     84