1d0b813fcSJohannes Berg /****************************************************************************** 2d0b813fcSJohannes Berg * 3d0b813fcSJohannes Berg * This file is provided under a dual BSD/GPLv2 license. When using or 4d0b813fcSJohannes Berg * redistributing this file, you may do so under either license. 5d0b813fcSJohannes Berg * 6d0b813fcSJohannes Berg * GPL LICENSE SUMMARY 7d0b813fcSJohannes Berg * 8d0b813fcSJohannes Berg * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. 9d0b813fcSJohannes Berg * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 10d0b813fcSJohannes Berg * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 11*0d53cfd0SEmmanuel Grumbach * Copyright(c) 2018 - 2019 Intel Corporation 12d0b813fcSJohannes Berg * 13d0b813fcSJohannes Berg * This program is free software; you can redistribute it and/or modify 14d0b813fcSJohannes Berg * it under the terms of version 2 of the GNU General Public License as 15d0b813fcSJohannes Berg * published by the Free Software Foundation. 16d0b813fcSJohannes Berg * 17d0b813fcSJohannes Berg * This program is distributed in the hope that it will be useful, but 18d0b813fcSJohannes Berg * WITHOUT ANY WARRANTY; without even the implied warranty of 19d0b813fcSJohannes Berg * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 20d0b813fcSJohannes Berg * General Public License for more details. 21d0b813fcSJohannes Berg * 22d0b813fcSJohannes Berg * The full GNU General Public License is included in this distribution 23d0b813fcSJohannes Berg * in the file called COPYING. 24d0b813fcSJohannes Berg * 25d0b813fcSJohannes Berg * Contact Information: 26d0b813fcSJohannes Berg * Intel Linux Wireless <linuxwifi@intel.com> 27d0b813fcSJohannes Berg * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 28d0b813fcSJohannes Berg * 29d0b813fcSJohannes Berg * BSD LICENSE 30d0b813fcSJohannes Berg * 31d0b813fcSJohannes Berg * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. 32d0b813fcSJohannes Berg * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 33d0b813fcSJohannes Berg * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 34*0d53cfd0SEmmanuel Grumbach * Copyright(c) 2018 - 2019 Intel Corporation 35d0b813fcSJohannes Berg * All rights reserved. 36d0b813fcSJohannes Berg * 37d0b813fcSJohannes Berg * Redistribution and use in source and binary forms, with or without 38d0b813fcSJohannes Berg * modification, are permitted provided that the following conditions 39d0b813fcSJohannes Berg * are met: 40d0b813fcSJohannes Berg * 41d0b813fcSJohannes Berg * * Redistributions of source code must retain the above copyright 42d0b813fcSJohannes Berg * notice, this list of conditions and the following disclaimer. 43d0b813fcSJohannes Berg * * Redistributions in binary form must reproduce the above copyright 44d0b813fcSJohannes Berg * notice, this list of conditions and the following disclaimer in 45d0b813fcSJohannes Berg * the documentation and/or other materials provided with the 46d0b813fcSJohannes Berg * distribution. 47d0b813fcSJohannes Berg * * Neither the name Intel Corporation nor the names of its 48d0b813fcSJohannes Berg * contributors may be used to endorse or promote products derived 49d0b813fcSJohannes Berg * from this software without specific prior written permission. 50d0b813fcSJohannes Berg * 51d0b813fcSJohannes Berg * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 52d0b813fcSJohannes Berg * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 53d0b813fcSJohannes Berg * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 54d0b813fcSJohannes Berg * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 55d0b813fcSJohannes Berg * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 56d0b813fcSJohannes Berg * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 57d0b813fcSJohannes Berg * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 58d0b813fcSJohannes Berg * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 59d0b813fcSJohannes Berg * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 60d0b813fcSJohannes Berg * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 61d0b813fcSJohannes Berg * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 62d0b813fcSJohannes Berg * 63d0b813fcSJohannes Berg *****************************************************************************/ 64d0b813fcSJohannes Berg #include "iwl-drv.h" 65d0b813fcSJohannes Berg #include "runtime.h" 66d172a5efSJohannes Berg #include "fw/api/commands.h" 67d0b813fcSJohannes Berg 682f7a3863SLuca Coelho static void iwl_parse_shared_mem_22000(struct iwl_fw_runtime *fwrt, 69d0b813fcSJohannes Berg struct iwl_rx_packet *pkt) 70d0b813fcSJohannes Berg { 71d0b813fcSJohannes Berg struct iwl_shared_mem_cfg *mem_cfg = (void *)pkt->data; 72d0b813fcSJohannes Berg int i, lmac; 73d0b813fcSJohannes Berg int lmac_num = le32_to_cpu(mem_cfg->lmac_num); 74d0b813fcSJohannes Berg 75d0b813fcSJohannes Berg if (WARN_ON(lmac_num > ARRAY_SIZE(mem_cfg->lmac_smem))) 76d0b813fcSJohannes Berg return; 77d0b813fcSJohannes Berg 78d0b813fcSJohannes Berg fwrt->smem_cfg.num_lmacs = lmac_num; 79d0b813fcSJohannes Berg fwrt->smem_cfg.num_txfifo_entries = 80d0b813fcSJohannes Berg ARRAY_SIZE(mem_cfg->lmac_smem[0].txfifo_size); 81d0b813fcSJohannes Berg fwrt->smem_cfg.rxfifo2_size = le32_to_cpu(mem_cfg->rxfifo2_size); 82d0b813fcSJohannes Berg 83d0b813fcSJohannes Berg for (lmac = 0; lmac < lmac_num; lmac++) { 84d0b813fcSJohannes Berg struct iwl_shared_mem_lmac_cfg *lmac_cfg = 85d0b813fcSJohannes Berg &mem_cfg->lmac_smem[lmac]; 86d0b813fcSJohannes Berg 87d0b813fcSJohannes Berg for (i = 0; i < ARRAY_SIZE(lmac_cfg->txfifo_size); i++) 88d0b813fcSJohannes Berg fwrt->smem_cfg.lmac[lmac].txfifo_size[i] = 89d0b813fcSJohannes Berg le32_to_cpu(lmac_cfg->txfifo_size[i]); 90d0b813fcSJohannes Berg fwrt->smem_cfg.lmac[lmac].rxfifo1_size = 91d0b813fcSJohannes Berg le32_to_cpu(lmac_cfg->rxfifo1_size); 92d0b813fcSJohannes Berg } 93d0b813fcSJohannes Berg } 94d0b813fcSJohannes Berg 95d0b813fcSJohannes Berg static void iwl_parse_shared_mem(struct iwl_fw_runtime *fwrt, 96d0b813fcSJohannes Berg struct iwl_rx_packet *pkt) 97d0b813fcSJohannes Berg { 98d0b813fcSJohannes Berg struct iwl_shared_mem_cfg_v2 *mem_cfg = (void *)pkt->data; 99d0b813fcSJohannes Berg int i; 100d0b813fcSJohannes Berg 101d0b813fcSJohannes Berg fwrt->smem_cfg.num_lmacs = 1; 102d0b813fcSJohannes Berg 103d0b813fcSJohannes Berg fwrt->smem_cfg.num_txfifo_entries = ARRAY_SIZE(mem_cfg->txfifo_size); 104d0b813fcSJohannes Berg for (i = 0; i < ARRAY_SIZE(mem_cfg->txfifo_size); i++) 105d0b813fcSJohannes Berg fwrt->smem_cfg.lmac[0].txfifo_size[i] = 106d0b813fcSJohannes Berg le32_to_cpu(mem_cfg->txfifo_size[i]); 107d0b813fcSJohannes Berg 108d0b813fcSJohannes Berg fwrt->smem_cfg.lmac[0].rxfifo1_size = 109d0b813fcSJohannes Berg le32_to_cpu(mem_cfg->rxfifo_size[0]); 110d0b813fcSJohannes Berg fwrt->smem_cfg.rxfifo2_size = le32_to_cpu(mem_cfg->rxfifo_size[1]); 111d0b813fcSJohannes Berg 112d0b813fcSJohannes Berg /* new API has more data, from rxfifo_addr field and on */ 113d0b813fcSJohannes Berg if (fw_has_capa(&fwrt->fw->ucode_capa, 114d0b813fcSJohannes Berg IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG)) { 115d0b813fcSJohannes Berg BUILD_BUG_ON(sizeof(fwrt->smem_cfg.internal_txfifo_size) != 116d0b813fcSJohannes Berg sizeof(mem_cfg->internal_txfifo_size)); 117d0b813fcSJohannes Berg 118ce27f005SGolan Ben-Ami fwrt->smem_cfg.internal_txfifo_addr = 119ce27f005SGolan Ben-Ami le32_to_cpu(mem_cfg->internal_txfifo_addr); 120ce27f005SGolan Ben-Ami 121d0b813fcSJohannes Berg for (i = 0; 122d0b813fcSJohannes Berg i < ARRAY_SIZE(fwrt->smem_cfg.internal_txfifo_size); 123d0b813fcSJohannes Berg i++) 124d0b813fcSJohannes Berg fwrt->smem_cfg.internal_txfifo_size[i] = 125d0b813fcSJohannes Berg le32_to_cpu(mem_cfg->internal_txfifo_size[i]); 126d0b813fcSJohannes Berg } 127d0b813fcSJohannes Berg } 128d0b813fcSJohannes Berg 129d0b813fcSJohannes Berg void iwl_get_shared_mem_conf(struct iwl_fw_runtime *fwrt) 130d0b813fcSJohannes Berg { 131d0b813fcSJohannes Berg struct iwl_host_cmd cmd = { 132d0b813fcSJohannes Berg .flags = CMD_WANT_SKB, 133d0b813fcSJohannes Berg .data = { NULL, }, 134d0b813fcSJohannes Berg .len = { 0, }, 135d0b813fcSJohannes Berg }; 136d0b813fcSJohannes Berg struct iwl_rx_packet *pkt; 137*0d53cfd0SEmmanuel Grumbach int ret; 138d0b813fcSJohannes Berg 139d0b813fcSJohannes Berg if (fw_has_capa(&fwrt->fw->ucode_capa, 140d0b813fcSJohannes Berg IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG)) 141d0b813fcSJohannes Berg cmd.id = iwl_cmd_id(SHARED_MEM_CFG_CMD, SYSTEM_GROUP, 0); 142d0b813fcSJohannes Berg else 143d0b813fcSJohannes Berg cmd.id = SHARED_MEM_CFG; 144d0b813fcSJohannes Berg 145*0d53cfd0SEmmanuel Grumbach ret = iwl_trans_send_cmd(fwrt->trans, &cmd); 146*0d53cfd0SEmmanuel Grumbach 147*0d53cfd0SEmmanuel Grumbach if (ret) { 148*0d53cfd0SEmmanuel Grumbach WARN(ret != -ERFKILL, 149*0d53cfd0SEmmanuel Grumbach "Could not send the SMEM command: %d\n", ret); 150d0b813fcSJohannes Berg return; 151*0d53cfd0SEmmanuel Grumbach } 152d0b813fcSJohannes Berg 153d0b813fcSJohannes Berg pkt = cmd.resp_pkt; 1545f01df3fSGolan Ben Ami if (fwrt->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22000) 1552f7a3863SLuca Coelho iwl_parse_shared_mem_22000(fwrt, pkt); 156d0b813fcSJohannes Berg else 157d0b813fcSJohannes Berg iwl_parse_shared_mem(fwrt, pkt); 158d0b813fcSJohannes Berg 159d0b813fcSJohannes Berg IWL_DEBUG_INFO(fwrt, "SHARED MEM CFG: got memory offsets/sizes\n"); 160d0b813fcSJohannes Berg 161d0b813fcSJohannes Berg iwl_free_resp(&cmd); 162d0b813fcSJohannes Berg } 163d0b813fcSJohannes Berg IWL_EXPORT_SYMBOL(iwl_get_shared_mem_conf); 164