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1// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2/*
3 * Copyright (C) 2012-2014, 2018-2021 Intel Corporation
4 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
5 * Copyright (C) 2016-2017 Intel Deutschland GmbH
6 */
7#include "iwl-drv.h"
8#include "runtime.h"
9#include "fw/api/commands.h"
10
11static void iwl_parse_shared_mem_22000(struct iwl_fw_runtime *fwrt,
12 struct iwl_rx_packet *pkt)
13{
14 struct iwl_shared_mem_cfg *mem_cfg = (void *)pkt->data;
15 int i, lmac;
16 int lmac_num = le32_to_cpu(mem_cfg->lmac_num);
17 u8 api_ver = iwl_fw_lookup_notif_ver(fwrt->fw, SYSTEM_GROUP,
18 SHARED_MEM_CFG_CMD, 0);
19
20 if (WARN_ON(lmac_num > ARRAY_SIZE(mem_cfg->lmac_smem)))
21 return;
22
23 fwrt->smem_cfg.num_lmacs = lmac_num;
24 fwrt->smem_cfg.num_txfifo_entries =
25 ARRAY_SIZE(mem_cfg->lmac_smem[0].txfifo_size);
26 fwrt->smem_cfg.rxfifo2_size = le32_to_cpu(mem_cfg->rxfifo2_size);
27
28 if (api_ver >= 4 &&
29 !WARN_ON_ONCE(iwl_rx_packet_payload_len(pkt) < sizeof(*mem_cfg))) {
30 fwrt->smem_cfg.rxfifo2_control_size =
31 le32_to_cpu(mem_cfg->rxfifo2_control_size);
32 }
33
34 for (lmac = 0; lmac < lmac_num; lmac++) {
35 struct iwl_shared_mem_lmac_cfg *lmac_cfg =
36 &mem_cfg->lmac_smem[lmac];
37
38 for (i = 0; i < ARRAY_SIZE(lmac_cfg->txfifo_size); i++)
39 fwrt->smem_cfg.lmac[lmac].txfifo_size[i] =
40 le32_to_cpu(lmac_cfg->txfifo_size[i]);
41 fwrt->smem_cfg.lmac[lmac].rxfifo1_size =
42 le32_to_cpu(lmac_cfg->rxfifo1_size);
43 }
44}
45
46static void iwl_parse_shared_mem(struct iwl_fw_runtime *fwrt,
47 struct iwl_rx_packet *pkt)
48{
49 struct iwl_shared_mem_cfg_v2 *mem_cfg = (void *)pkt->data;
50 int i;
51
52 fwrt->smem_cfg.num_lmacs = 1;
53
54 fwrt->smem_cfg.num_txfifo_entries = ARRAY_SIZE(mem_cfg->txfifo_size);
55 for (i = 0; i < ARRAY_SIZE(mem_cfg->txfifo_size); i++)
56 fwrt->smem_cfg.lmac[0].txfifo_size[i] =
57 le32_to_cpu(mem_cfg->txfifo_size[i]);
58
59 fwrt->smem_cfg.lmac[0].rxfifo1_size =
60 le32_to_cpu(mem_cfg->rxfifo_size[0]);
61 fwrt->smem_cfg.rxfifo2_size = le32_to_cpu(mem_cfg->rxfifo_size[1]);
62
63 /* new API has more data, from rxfifo_addr field and on */
64 if (fw_has_capa(&fwrt->fw->ucode_capa,
65 IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG)) {
66 BUILD_BUG_ON(sizeof(fwrt->smem_cfg.internal_txfifo_size) !=
67 sizeof(mem_cfg->internal_txfifo_size));
68
69 fwrt->smem_cfg.internal_txfifo_addr =
70 le32_to_cpu(mem_cfg->internal_txfifo_addr);
71
72 for (i = 0;
73 i < ARRAY_SIZE(fwrt->smem_cfg.internal_txfifo_size);
74 i++)
75 fwrt->smem_cfg.internal_txfifo_size[i] =
76 le32_to_cpu(mem_cfg->internal_txfifo_size[i]);
77 }
78}
79
80void iwl_get_shared_mem_conf(struct iwl_fw_runtime *fwrt)
81{
82 struct iwl_host_cmd cmd = {
83 .flags = CMD_WANT_SKB,
84 .data = { NULL, },
85 .len = { 0, },
86 };
87 struct iwl_rx_packet *pkt;
88 int ret;
89
90 if (fw_has_capa(&fwrt->fw->ucode_capa,
91 IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG))
92 cmd.id = WIDE_ID(SYSTEM_GROUP, SHARED_MEM_CFG_CMD);
93 else
94 cmd.id = SHARED_MEM_CFG;
95
96 ret = iwl_trans_send_cmd(fwrt->trans, &cmd);
97
98 if (ret) {
99 WARN(ret != -ERFKILL,
100 "Could not send the SMEM command: %d\n", ret);
101 return;
102 }
103
104 pkt = cmd.resp_pkt;
105 if (fwrt->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22000)
106 iwl_parse_shared_mem_22000(fwrt, pkt);
107 else
108 iwl_parse_shared_mem(fwrt, pkt);
109
110 IWL_DEBUG_INFO(fwrt, "SHARED MEM CFG: got memory offsets/sizes\n");
111
112 iwl_free_resp(&cmd);
113}
114IWL_EXPORT_SYMBOL(iwl_get_shared_mem_conf);
1/******************************************************************************
2 *
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
5 *
6 * GPL LICENSE SUMMARY
7 *
8 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
9 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
10 * Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of version 2 of the GNU General Public License as
14 * published by the Free Software Foundation.
15 *
16 * This program is distributed in the hope that it will be useful, but
17 * WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
20 *
21 * The full GNU General Public License is included in this distribution
22 * in the file called COPYING.
23 *
24 * Contact Information:
25 * Intel Linux Wireless <linuxwifi@intel.com>
26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27 *
28 * BSD LICENSE
29 *
30 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
31 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
32 * Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation
33 * All rights reserved.
34 *
35 * Redistribution and use in source and binary forms, with or without
36 * modification, are permitted provided that the following conditions
37 * are met:
38 *
39 * * Redistributions of source code must retain the above copyright
40 * notice, this list of conditions and the following disclaimer.
41 * * Redistributions in binary form must reproduce the above copyright
42 * notice, this list of conditions and the following disclaimer in
43 * the documentation and/or other materials provided with the
44 * distribution.
45 * * Neither the name Intel Corporation nor the names of its
46 * contributors may be used to endorse or promote products derived
47 * from this software without specific prior written permission.
48 *
49 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
50 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
51 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
52 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
53 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
54 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
55 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
56 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
57 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
58 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
59 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
60 *
61 *****************************************************************************/
62#include "iwl-drv.h"
63#include "runtime.h"
64#include "fw/api/commands.h"
65
66static void iwl_parse_shared_mem_22000(struct iwl_fw_runtime *fwrt,
67 struct iwl_rx_packet *pkt)
68{
69 struct iwl_shared_mem_cfg *mem_cfg = (void *)pkt->data;
70 int i, lmac;
71 int lmac_num = le32_to_cpu(mem_cfg->lmac_num);
72 u8 api_ver = iwl_fw_lookup_notif_ver(fwrt->fw, SYSTEM_GROUP,
73 SHARED_MEM_CFG_CMD, 0);
74
75 if (WARN_ON(lmac_num > ARRAY_SIZE(mem_cfg->lmac_smem)))
76 return;
77
78 fwrt->smem_cfg.num_lmacs = lmac_num;
79 fwrt->smem_cfg.num_txfifo_entries =
80 ARRAY_SIZE(mem_cfg->lmac_smem[0].txfifo_size);
81 fwrt->smem_cfg.rxfifo2_size = le32_to_cpu(mem_cfg->rxfifo2_size);
82
83 if (api_ver >= 4 &&
84 !WARN_ON_ONCE(iwl_rx_packet_payload_len(pkt) < sizeof(*mem_cfg))) {
85 fwrt->smem_cfg.rxfifo2_control_size =
86 le32_to_cpu(mem_cfg->rxfifo2_control_size);
87 }
88
89 for (lmac = 0; lmac < lmac_num; lmac++) {
90 struct iwl_shared_mem_lmac_cfg *lmac_cfg =
91 &mem_cfg->lmac_smem[lmac];
92
93 for (i = 0; i < ARRAY_SIZE(lmac_cfg->txfifo_size); i++)
94 fwrt->smem_cfg.lmac[lmac].txfifo_size[i] =
95 le32_to_cpu(lmac_cfg->txfifo_size[i]);
96 fwrt->smem_cfg.lmac[lmac].rxfifo1_size =
97 le32_to_cpu(lmac_cfg->rxfifo1_size);
98 }
99}
100
101static void iwl_parse_shared_mem(struct iwl_fw_runtime *fwrt,
102 struct iwl_rx_packet *pkt)
103{
104 struct iwl_shared_mem_cfg_v2 *mem_cfg = (void *)pkt->data;
105 int i;
106
107 fwrt->smem_cfg.num_lmacs = 1;
108
109 fwrt->smem_cfg.num_txfifo_entries = ARRAY_SIZE(mem_cfg->txfifo_size);
110 for (i = 0; i < ARRAY_SIZE(mem_cfg->txfifo_size); i++)
111 fwrt->smem_cfg.lmac[0].txfifo_size[i] =
112 le32_to_cpu(mem_cfg->txfifo_size[i]);
113
114 fwrt->smem_cfg.lmac[0].rxfifo1_size =
115 le32_to_cpu(mem_cfg->rxfifo_size[0]);
116 fwrt->smem_cfg.rxfifo2_size = le32_to_cpu(mem_cfg->rxfifo_size[1]);
117
118 /* new API has more data, from rxfifo_addr field and on */
119 if (fw_has_capa(&fwrt->fw->ucode_capa,
120 IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG)) {
121 BUILD_BUG_ON(sizeof(fwrt->smem_cfg.internal_txfifo_size) !=
122 sizeof(mem_cfg->internal_txfifo_size));
123
124 fwrt->smem_cfg.internal_txfifo_addr =
125 le32_to_cpu(mem_cfg->internal_txfifo_addr);
126
127 for (i = 0;
128 i < ARRAY_SIZE(fwrt->smem_cfg.internal_txfifo_size);
129 i++)
130 fwrt->smem_cfg.internal_txfifo_size[i] =
131 le32_to_cpu(mem_cfg->internal_txfifo_size[i]);
132 }
133}
134
135void iwl_get_shared_mem_conf(struct iwl_fw_runtime *fwrt)
136{
137 struct iwl_host_cmd cmd = {
138 .flags = CMD_WANT_SKB,
139 .data = { NULL, },
140 .len = { 0, },
141 };
142 struct iwl_rx_packet *pkt;
143 int ret;
144
145 if (fw_has_capa(&fwrt->fw->ucode_capa,
146 IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG))
147 cmd.id = iwl_cmd_id(SHARED_MEM_CFG_CMD, SYSTEM_GROUP, 0);
148 else
149 cmd.id = SHARED_MEM_CFG;
150
151 ret = iwl_trans_send_cmd(fwrt->trans, &cmd);
152
153 if (ret) {
154 WARN(ret != -ERFKILL,
155 "Could not send the SMEM command: %d\n", ret);
156 return;
157 }
158
159 pkt = cmd.resp_pkt;
160 if (fwrt->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22000)
161 iwl_parse_shared_mem_22000(fwrt, pkt);
162 else
163 iwl_parse_shared_mem(fwrt, pkt);
164
165 IWL_DEBUG_INFO(fwrt, "SHARED MEM CFG: got memory offsets/sizes\n");
166
167 iwl_free_resp(&cmd);
168}
169IWL_EXPORT_SYMBOL(iwl_get_shared_mem_conf);