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      1 /*	$NetBSD: nouveau_nvkm_subdev_acr_gp102.c,v 1.3 2021/12/19 10:51:58 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright 2019 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 #include <sys/cdefs.h>
     25 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_subdev_acr_gp102.c,v 1.3 2021/12/19 10:51:58 riastradh Exp $");
     26 
     27 #include "priv.h"
     28 
     29 #include <core/firmware.h>
     30 #include <core/memory.h>
     31 #include <subdev/mmu.h>
     32 #include <engine/sec2.h>
     33 
     34 #include <nvfw/acr.h>
     35 #include <nvfw/flcn.h>
     36 
     37 #include <linux/nbsd-namespace.h>
     38 
     39 void
     40 gp102_acr_wpr_patch(struct nvkm_acr *acr, s64 adjust)
     41 {
     42 	struct wpr_header_v1 hdr;
     43 	struct lsb_header_v1 lsb;
     44 	struct nvkm_acr_lsfw *lsfw;
     45 	u32 offset = 0;
     46 
     47 	do {
     48 		nvkm_robj(acr->wpr, offset, &hdr, sizeof(hdr));
     49 		wpr_header_v1_dump(&acr->subdev, &hdr);
     50 
     51 		list_for_each_entry(lsfw, &acr->lsfw, head) {
     52 			if (lsfw->id != hdr.falcon_id)
     53 				continue;
     54 
     55 			nvkm_robj(acr->wpr, hdr.lsb_offset, &lsb, sizeof(lsb));
     56 			lsb_header_v1_dump(&acr->subdev, &lsb);
     57 
     58 			lsfw->func->bld_patch(acr, lsb.tail.bl_data_off, adjust);
     59 			break;
     60 		}
     61 
     62 		offset += sizeof(hdr);
     63 	} while (hdr.falcon_id != WPR_HEADER_V1_FALCON_ID_INVALID);
     64 }
     65 
     66 int
     67 gp102_acr_wpr_build_lsb(struct nvkm_acr *acr, struct nvkm_acr_lsfw *lsfw)
     68 {
     69 	struct lsb_header_v1 hdr;
     70 
     71 	if (WARN_ON(lsfw->sig->size != sizeof(hdr.signature)))
     72 		return -EINVAL;
     73 
     74 	memcpy(&hdr.signature, lsfw->sig->data, lsfw->sig->size);
     75 	gm200_acr_wpr_build_lsb_tail(lsfw, &hdr.tail);
     76 
     77 	nvkm_wobj(acr->wpr, lsfw->offset.lsb, &hdr, sizeof(hdr));
     78 	return 0;
     79 }
     80 
     81 int
     82 gp102_acr_wpr_build(struct nvkm_acr *acr, struct nvkm_acr_lsf *rtos)
     83 {
     84 	struct nvkm_acr_lsfw *lsfw;
     85 	u32 offset = 0;
     86 	int ret;
     87 
     88 	/* Fill per-LSF structures. */
     89 	list_for_each_entry(lsfw, &acr->lsfw, head) {
     90 		struct lsf_signature_v1 *sig = (void *)lsfw->sig->data;
     91 		struct wpr_header_v1 hdr = {
     92 			.falcon_id = lsfw->id,
     93 			.lsb_offset = lsfw->offset.lsb,
     94 			.bootstrap_owner = NVKM_ACR_LSF_SEC2,
     95 			.lazy_bootstrap = rtos && lsfw->id != rtos->id,
     96 			.bin_version = sig->version,
     97 			.status = WPR_HEADER_V1_STATUS_COPY,
     98 		};
     99 
    100 		/* Write WPR header. */
    101 		nvkm_wobj(acr->wpr, offset, &hdr, sizeof(hdr));
    102 		offset += sizeof(hdr);
    103 
    104 		/* Write LSB header. */
    105 		ret = gp102_acr_wpr_build_lsb(acr, lsfw);
    106 		if (ret)
    107 			return ret;
    108 
    109 		/* Write ucode image. */
    110 		nvkm_wobj(acr->wpr, lsfw->offset.img,
    111 				    lsfw->img.data,
    112 				    lsfw->img.size);
    113 
    114 		/* Write bootloader data. */
    115 		lsfw->func->bld_write(acr, lsfw->offset.bld, lsfw);
    116 	}
    117 
    118 	/* Finalise WPR. */
    119 	nvkm_wo32(acr->wpr, offset, WPR_HEADER_V1_FALCON_ID_INVALID);
    120 	return 0;
    121 }
    122 
    123 int
    124 gp102_acr_wpr_alloc(struct nvkm_acr *acr, u32 wpr_size)
    125 {
    126 	int ret = nvkm_memory_new(acr->subdev.device, NVKM_MEM_TARGET_INST,
    127 				  ALIGN(wpr_size, 0x40000) << 1, 0x40000, true,
    128 				  &acr->wpr);
    129 	if (ret)
    130 		return ret;
    131 
    132 	acr->shadow_start = nvkm_memory_addr(acr->wpr);
    133 	acr->wpr_start = acr->shadow_start + (nvkm_memory_size(acr->wpr) >> 1);
    134 	acr->wpr_end = acr->wpr_start + (nvkm_memory_size(acr->wpr) >> 1);
    135 	return 0;
    136 }
    137 
    138 u32
    139 gp102_acr_wpr_layout(struct nvkm_acr *acr)
    140 {
    141 	struct nvkm_acr_lsfw *lsfw;
    142 	u32 wpr = 0;
    143 
    144 	wpr += 11 /* MAX_LSF */ * sizeof(struct wpr_header_v1);
    145 	wpr  = ALIGN(wpr, 256);
    146 
    147 	wpr += 0x100; /* Shared sub-WPR headers. */
    148 
    149 	list_for_each_entry(lsfw, &acr->lsfw, head) {
    150 		wpr  = ALIGN(wpr, 256);
    151 		lsfw->offset.lsb = wpr;
    152 		wpr += sizeof(struct lsb_header_v1);
    153 
    154 		wpr  = ALIGN(wpr, 4096);
    155 		lsfw->offset.img = wpr;
    156 		wpr += lsfw->img.size;
    157 
    158 		wpr  = ALIGN(wpr, 256);
    159 		lsfw->offset.bld = wpr;
    160 		lsfw->bl_data_size = ALIGN(lsfw->func->bld_size, 256);
    161 		wpr += lsfw->bl_data_size;
    162 	}
    163 
    164 	return wpr;
    165 }
    166 
    167 int
    168 gp102_acr_wpr_parse(struct nvkm_acr *acr)
    169 {
    170 	const struct wpr_header_v1 *hdr = (void *)acr->wpr_fw->data;
    171 
    172 	while (hdr->falcon_id != WPR_HEADER_V1_FALCON_ID_INVALID) {
    173 		wpr_header_v1_dump(&acr->subdev, hdr);
    174 		if (!nvkm_acr_lsfw_add(NULL, acr, NULL, (hdr++)->falcon_id))
    175 			return -ENOMEM;
    176 	}
    177 
    178 	return 0;
    179 }
    180 
    181 MODULE_FIRMWARE("nvidia/gp102/acr/unload_bl.bin");
    182 MODULE_FIRMWARE("nvidia/gp102/acr/ucode_unload.bin");
    183 
    184 MODULE_FIRMWARE("nvidia/gp104/acr/unload_bl.bin");
    185 MODULE_FIRMWARE("nvidia/gp104/acr/ucode_unload.bin");
    186 
    187 MODULE_FIRMWARE("nvidia/gp106/acr/unload_bl.bin");
    188 MODULE_FIRMWARE("nvidia/gp106/acr/ucode_unload.bin");
    189 
    190 MODULE_FIRMWARE("nvidia/gp107/acr/unload_bl.bin");
    191 MODULE_FIRMWARE("nvidia/gp107/acr/ucode_unload.bin");
    192 
    193 static const struct nvkm_acr_hsf_fwif
    194 gp102_acr_unload_fwif[] = {
    195 	{ 0, nvkm_acr_hsfw_load, &gm200_acr_unload_0 },
    196 	{}
    197 };
    198 
    199 int
    200 gp102_acr_load_load(struct nvkm_acr *acr, struct nvkm_acr_hsfw *hsfw)
    201 {
    202 	struct flcn_acr_desc_v1 *desc = (void *)&hsfw->image[hsfw->data_addr];
    203 
    204 	desc->wpr_region_id = 1;
    205 	desc->regions.no_regions = 2;
    206 	desc->regions.region_props[0].start_addr = acr->wpr_start >> 8;
    207 	desc->regions.region_props[0].end_addr = acr->wpr_end >> 8;
    208 	desc->regions.region_props[0].region_id = 1;
    209 	desc->regions.region_props[0].read_mask = 0xf;
    210 	desc->regions.region_props[0].write_mask = 0xc;
    211 	desc->regions.region_props[0].client_mask = 0x2;
    212 	desc->regions.region_props[0].shadow_mem_start_addr =
    213 		acr->shadow_start >> 8;
    214 	flcn_acr_desc_v1_dump(&acr->subdev, desc);
    215 
    216 	return gm200_acr_hsfw_load(acr, hsfw,
    217 				  &acr->subdev.device->sec2->falcon);
    218 }
    219 
    220 static const struct nvkm_acr_hsf_func
    221 gp102_acr_load_0 = {
    222 	.load = gp102_acr_load_load,
    223 	.boot = gm200_acr_load_boot,
    224 	.bld = gm200_acr_hsfw_bld,
    225 };
    226 
    227 MODULE_FIRMWARE("nvidia/gp102/acr/bl.bin");
    228 MODULE_FIRMWARE("nvidia/gp102/acr/ucode_load.bin");
    229 
    230 MODULE_FIRMWARE("nvidia/gp104/acr/bl.bin");
    231 MODULE_FIRMWARE("nvidia/gp104/acr/ucode_load.bin");
    232 
    233 MODULE_FIRMWARE("nvidia/gp106/acr/bl.bin");
    234 MODULE_FIRMWARE("nvidia/gp106/acr/ucode_load.bin");
    235 
    236 MODULE_FIRMWARE("nvidia/gp107/acr/bl.bin");
    237 MODULE_FIRMWARE("nvidia/gp107/acr/ucode_load.bin");
    238 
    239 static const struct nvkm_acr_hsf_fwif
    240 gp102_acr_load_fwif[] = {
    241 	{ 0, nvkm_acr_hsfw_load, &gp102_acr_load_0 },
    242 	{}
    243 };
    244 
    245 static const struct nvkm_acr_func
    246 gp102_acr = {
    247 	.load = gp102_acr_load_fwif,
    248 	.unload = gp102_acr_unload_fwif,
    249 	.wpr_parse = gp102_acr_wpr_parse,
    250 	.wpr_layout = gp102_acr_wpr_layout,
    251 	.wpr_alloc = gp102_acr_wpr_alloc,
    252 	.wpr_build = gp102_acr_wpr_build,
    253 	.wpr_patch = gp102_acr_wpr_patch,
    254 	.wpr_check = gm200_acr_wpr_check,
    255 	.init = gm200_acr_init,
    256 };
    257 
    258 int
    259 gp102_acr_load(struct nvkm_acr *acr, int ver, const struct nvkm_acr_fwif *fwif)
    260 {
    261 	struct nvkm_subdev *subdev = &acr->subdev;
    262 	const struct nvkm_acr_hsf_fwif *hsfwif;
    263 
    264 	hsfwif = nvkm_firmware_load(subdev, fwif->func->load, "AcrLoad",
    265 				    acr, "acr/bl", "acr/ucode_load", "load");
    266 	if (IS_ERR(hsfwif))
    267 		return PTR_ERR(hsfwif);
    268 
    269 	hsfwif = nvkm_firmware_load(subdev, fwif->func->unload, "AcrUnload",
    270 				    acr, "acr/unload_bl", "acr/ucode_unload",
    271 				    "unload");
    272 	if (IS_ERR(hsfwif))
    273 		return PTR_ERR(hsfwif);
    274 
    275 	return 0;
    276 }
    277 
    278 static const struct nvkm_acr_fwif
    279 gp102_acr_fwif[] = {
    280 	{ 0, gp102_acr_load, &gp102_acr },
    281 	{}
    282 };
    283 
    284 int
    285 gp102_acr_new(struct nvkm_device *device, int index, struct nvkm_acr **pacr)
    286 {
    287 	return nvkm_acr_new_(gp102_acr_fwif, device, index, pacr);
    288 }
    289