xref: /linux/drivers/gpu/drm/nouveau/nvkm/subdev/acr/ga100.c (revision 2c55d703391acf7e9101da596d0c15ee03b318a3)
1 /*
2  * Copyright 2021 Red Hat Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * 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 OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  */
22 #include "priv.h"
23 
24 void
25 ga100_acr_wpr_check(struct nvkm_acr *acr, u64 *start, u64 *limit)
26 {
27 	struct nvkm_device *device = acr->subdev.device;
28 
29 	*start = (u64)(nvkm_rd32(device, 0x1fa81c) & 0xffffff00) << 8;
30 	*limit = (u64)(nvkm_rd32(device, 0x1fa820) & 0xffffff00) << 8;
31 	*limit = *limit + 0x20000;
32 }
33 
34 int
35 ga100_acr_hsfw_ctor(struct nvkm_acr *acr, const char *bl, const char *fw,
36 		    const char *name, int ver, const struct nvkm_acr_hsf_fwif *fwif)
37 {
38 	struct nvkm_acr_hsfw *hsfw;
39 
40 	if (!(hsfw = kzalloc(sizeof(*hsfw), GFP_KERNEL)))
41 		return -ENOMEM;
42 
43 	hsfw->falcon_id = fwif->falcon_id;
44 	hsfw->boot_mbox0 = fwif->boot_mbox0;
45 	hsfw->intr_clear = fwif->intr_clear;
46 	list_add_tail(&hsfw->head, &acr->hsfw);
47 
48 	return nvkm_falcon_fw_ctor_hs_v2(fwif->func, name, &acr->subdev, fw, ver, NULL, &hsfw->fw);
49 }
50