Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Ihab Zhaika | 1338 | 60.76% | 1 | 9.09% |
Luciano Coelho | 671 | 30.47% | 7 | 63.64% |
Haim Dreyfuss | 180 | 8.17% | 2 | 18.18% |
Golan Ben-Ami | 13 | 0.59% | 1 | 9.09% |
Total | 2202 | 11 |
/****************************************************************************** * * This file is provided under a dual BSD/GPLv2 license. When using or * redistributing this file, you may do so under either license. * * GPL LICENSE SUMMARY * * Copyright(c) 2017 Intel Deutschland GmbH * Copyright (C) 2019 - 2020 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * The full GNU General Public License is included in this distribution * in the file called COPYING. * * Contact Information: * Intel Linux Wireless <linuxwifi@intel.com> * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 * * BSD LICENSE * * Copyright(c) 2017 Intel Deutschland GmbH * Copyright (C) 2019 - 2020 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * Neither the name Intel Corporation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * *****************************************************************************/ #include "iwl-drv.h" #include "iwl-debug.h" #include "acpi.h" #include "fw/runtime.h" void *iwl_acpi_get_object(struct device *dev, acpi_string method) { acpi_handle root_handle; acpi_handle handle; struct acpi_buffer buf = {ACPI_ALLOCATE_BUFFER, NULL}; acpi_status status; root_handle = ACPI_HANDLE(dev); if (!root_handle) { IWL_DEBUG_DEV_RADIO(dev, "Could not retrieve root port ACPI handle\n"); return ERR_PTR(-ENOENT); } /* Get the method's handle */ status = acpi_get_handle(root_handle, method, &handle); if (ACPI_FAILURE(status)) { IWL_DEBUG_DEV_RADIO(dev, "%s method not found\n", method); return ERR_PTR(-ENOENT); } /* Call the method with no arguments */ status = acpi_evaluate_object(handle, NULL, NULL, &buf); if (ACPI_FAILURE(status)) { IWL_DEBUG_DEV_RADIO(dev, "%s invocation failed (0x%x)\n", method, status); return ERR_PTR(-ENOENT); } return buf.pointer; } IWL_EXPORT_SYMBOL(iwl_acpi_get_object); union acpi_object *iwl_acpi_get_wifi_pkg(struct device *dev, union acpi_object *data, int data_size, int *tbl_rev) { int i; union acpi_object *wifi_pkg; /* * We need at least one entry in the wifi package that * describes the domain, and one more entry, otherwise there's * no point in reading it. */ if (WARN_ON_ONCE(data_size < 2)) return ERR_PTR(-EINVAL); /* * We need at least two packages, one for the revision and one * for the data itself. Also check that the revision is valid * (i.e. it is an integer smaller than 2, as we currently support only * 2 revisions). */ if (data->type != ACPI_TYPE_PACKAGE || data->package.count < 2 || data->package.elements[0].type != ACPI_TYPE_INTEGER || data->package.elements[0].integer.value > 1) { IWL_DEBUG_DEV_RADIO(dev, "Unsupported packages structure\n"); return ERR_PTR(-EINVAL); } *tbl_rev = data->package.elements[0].integer.value; /* loop through all the packages to find the one for WiFi */ for (i = 1; i < data->package.count; i++) { union acpi_object *domain; wifi_pkg = &data->package.elements[i]; /* skip entries that are not a package with the right size */ if (wifi_pkg->type != ACPI_TYPE_PACKAGE || wifi_pkg->package.count != data_size) continue; domain = &wifi_pkg->package.elements[0]; if (domain->type == ACPI_TYPE_INTEGER && domain->integer.value == ACPI_WIFI_DOMAIN) goto found; } return ERR_PTR(-ENOENT); found: return wifi_pkg; } IWL_EXPORT_SYMBOL(iwl_acpi_get_wifi_pkg); int iwl_acpi_get_mcc(struct device *dev, char *mcc) { union acpi_object *wifi_pkg, *data; u32 mcc_val; int ret, tbl_rev; data = iwl_acpi_get_object(dev, ACPI_WRDD_METHOD); if (IS_ERR(data)) return PTR_ERR(data); wifi_pkg = iwl_acpi_get_wifi_pkg(dev, data, ACPI_WRDD_WIFI_DATA_SIZE, &tbl_rev); if (IS_ERR(wifi_pkg)) { ret = PTR_ERR(wifi_pkg); goto out_free; } if (wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER || tbl_rev != 0) { ret = -EINVAL; goto out_free; } mcc_val = wifi_pkg->package.elements[1].integer.value; mcc[0] = (mcc_val >> 8) & 0xff; mcc[1] = mcc_val & 0xff; mcc[2] = '\0'; ret = 0; out_free: kfree(data); return ret; } IWL_EXPORT_SYMBOL(iwl_acpi_get_mcc); u64 iwl_acpi_get_pwr_limit(struct device *dev) { union acpi_object *data, *wifi_pkg; u64 dflt_pwr_limit; int tbl_rev; data = iwl_acpi_get_object(dev, ACPI_SPLC_METHOD); if (IS_ERR(data)) { dflt_pwr_limit = 0; goto out; } wifi_pkg = iwl_acpi_get_wifi_pkg(dev, data, ACPI_SPLC_WIFI_DATA_SIZE, &tbl_rev); if (IS_ERR(wifi_pkg) || tbl_rev != 0 || wifi_pkg->package.elements[1].integer.value != ACPI_TYPE_INTEGER) { dflt_pwr_limit = 0; goto out_free; } dflt_pwr_limit = wifi_pkg->package.elements[1].integer.value; out_free: kfree(data); out: return dflt_pwr_limit; } IWL_EXPORT_SYMBOL(iwl_acpi_get_pwr_limit); int iwl_acpi_get_eckv(struct device *dev, u32 *extl_clk) { union acpi_object *wifi_pkg, *data; int ret, tbl_rev; data = iwl_acpi_get_object(dev, ACPI_ECKV_METHOD); if (IS_ERR(data)) return PTR_ERR(data); wifi_pkg = iwl_acpi_get_wifi_pkg(dev, data, ACPI_ECKV_WIFI_DATA_SIZE, &tbl_rev); if (IS_ERR(wifi_pkg)) { ret = PTR_ERR(wifi_pkg); goto out_free; } if (wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER || tbl_rev != 0) { ret = -EINVAL; goto out_free; } *extl_clk = wifi_pkg->package.elements[1].integer.value; ret = 0; out_free: kfree(data); return ret; } IWL_EXPORT_SYMBOL(iwl_acpi_get_eckv); int iwl_sar_set_profile(union acpi_object *table, struct iwl_sar_profile *profile, bool enabled) { int i; profile->enabled = enabled; for (i = 0; i < ACPI_SAR_TABLE_SIZE; i++) { if (table[i].type != ACPI_TYPE_INTEGER || table[i].integer.value > U8_MAX) return -EINVAL; profile->table[i] = table[i].integer.value; } return 0; } IWL_EXPORT_SYMBOL(iwl_sar_set_profile); int iwl_sar_select_profile(struct iwl_fw_runtime *fwrt, __le16 per_chain_restriction[][IWL_NUM_SUB_BANDS], int prof_a, int prof_b) { int i, j, idx; int profs[ACPI_SAR_NUM_CHAIN_LIMITS] = { prof_a, prof_b }; BUILD_BUG_ON(ACPI_SAR_NUM_CHAIN_LIMITS < 2); BUILD_BUG_ON(ACPI_SAR_NUM_CHAIN_LIMITS * ACPI_SAR_NUM_SUB_BANDS != ACPI_SAR_TABLE_SIZE); for (i = 0; i < ACPI_SAR_NUM_CHAIN_LIMITS; i++) { struct iwl_sar_profile *prof; /* don't allow SAR to be disabled (profile 0 means disable) */ if (profs[i] == 0) return -EPERM; /* we are off by one, so allow up to ACPI_SAR_PROFILE_NUM */ if (profs[i] > ACPI_SAR_PROFILE_NUM) return -EINVAL; /* profiles go from 1 to 4, so decrement to access the array */ prof = &fwrt->sar_profiles[profs[i] - 1]; /* if the profile is disabled, do nothing */ if (!prof->enabled) { IWL_DEBUG_RADIO(fwrt, "SAR profile %d is disabled.\n", profs[i]); /* * if one of the profiles is disabled, we * ignore all of them and return 1 to * differentiate disabled from other failures. */ return 1; } IWL_DEBUG_INFO(fwrt, "SAR EWRD: chain %d profile index %d\n", i, profs[i]); IWL_DEBUG_RADIO(fwrt, " Chain[%d]:\n", i); for (j = 0; j < ACPI_SAR_NUM_SUB_BANDS; j++) { idx = (i * ACPI_SAR_NUM_SUB_BANDS) + j; per_chain_restriction[i][j] = cpu_to_le16(prof->table[idx]); IWL_DEBUG_RADIO(fwrt, " Band[%d] = %d * .125dBm\n", j, prof->table[idx]); } } return 0; } IWL_EXPORT_SYMBOL(iwl_sar_select_profile); int iwl_sar_get_wrds_table(struct iwl_fw_runtime *fwrt) { union acpi_object *wifi_pkg, *table, *data; bool enabled; int ret, tbl_rev; data = iwl_acpi_get_object(fwrt->dev, ACPI_WRDS_METHOD); if (IS_ERR(data)) return PTR_ERR(data); wifi_pkg = iwl_acpi_get_wifi_pkg(fwrt->dev, data, ACPI_WRDS_WIFI_DATA_SIZE, &tbl_rev); if (IS_ERR(wifi_pkg) || tbl_rev != 0) { ret = PTR_ERR(wifi_pkg); goto out_free; } if (wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) { ret = -EINVAL; goto out_free; } enabled = !!(wifi_pkg->package.elements[1].integer.value); /* position of the actual table */ table = &wifi_pkg->package.elements[2]; /* The profile from WRDS is officially profile 1, but goes * into sar_profiles[0] (because we don't have a profile 0). */ ret = iwl_sar_set_profile(table, &fwrt->sar_profiles[0], enabled); out_free: kfree(data); return ret; } IWL_EXPORT_SYMBOL(iwl_sar_get_wrds_table); int iwl_sar_get_ewrd_table(struct iwl_fw_runtime *fwrt) { union acpi_object *wifi_pkg, *data; bool enabled; int i, n_profiles, tbl_rev, pos; int ret = 0; data = iwl_acpi_get_object(fwrt->dev, ACPI_EWRD_METHOD); if (IS_ERR(data)) return PTR_ERR(data); wifi_pkg = iwl_acpi_get_wifi_pkg(fwrt->dev, data, ACPI_EWRD_WIFI_DATA_SIZE, &tbl_rev); if (IS_ERR(wifi_pkg) || tbl_rev != 0) { ret = PTR_ERR(wifi_pkg); goto out_free; } if (wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER || wifi_pkg->package.elements[2].type != ACPI_TYPE_INTEGER) { ret = -EINVAL; goto out_free; } enabled = !!(wifi_pkg->package.elements[1].integer.value); n_profiles = wifi_pkg->package.elements[2].integer.value; /* * Check the validity of n_profiles. The EWRD profiles start * from index 1, so the maximum value allowed here is * ACPI_SAR_PROFILES_NUM - 1. */ if (n_profiles <= 0 || n_profiles >= ACPI_SAR_PROFILE_NUM) { ret = -EINVAL; goto out_free; } /* the tables start at element 3 */ pos = 3; for (i = 0; i < n_profiles; i++) { /* The EWRD profiles officially go from 2 to 4, but we * save them in sar_profiles[1-3] (because we don't * have profile 0). So in the array we start from 1. */ ret = iwl_sar_set_profile(&wifi_pkg->package.elements[pos], &fwrt->sar_profiles[i + 1], enabled); if (ret < 0) break; /* go to the next table */ pos += ACPI_SAR_TABLE_SIZE; } out_free: kfree(data); return ret; } IWL_EXPORT_SYMBOL(iwl_sar_get_ewrd_table); int iwl_sar_get_wgds_table(struct iwl_fw_runtime *fwrt) { union acpi_object *wifi_pkg, *data; int i, j, ret, tbl_rev; int idx = 1; data = iwl_acpi_get_object(fwrt->dev, ACPI_WGDS_METHOD); if (IS_ERR(data)) return PTR_ERR(data); wifi_pkg = iwl_acpi_get_wifi_pkg(fwrt->dev, data, ACPI_WGDS_WIFI_DATA_SIZE, &tbl_rev); if (IS_ERR(wifi_pkg) || tbl_rev > 1) { ret = PTR_ERR(wifi_pkg); goto out_free; } fwrt->geo_rev = tbl_rev; for (i = 0; i < ACPI_NUM_GEO_PROFILES; i++) { for (j = 0; j < ACPI_GEO_TABLE_SIZE; j++) { union acpi_object *entry; entry = &wifi_pkg->package.elements[idx++]; if (entry->type != ACPI_TYPE_INTEGER || entry->integer.value > U8_MAX) { ret = -EINVAL; goto out_free; } fwrt->geo_profiles[i].values[j] = entry->integer.value; } } ret = 0; out_free: kfree(data); return ret; } IWL_EXPORT_SYMBOL(iwl_sar_get_wgds_table); bool iwl_sar_geo_support(struct iwl_fw_runtime *fwrt) { /* * The GEO_TX_POWER_LIMIT command is not supported on earlier * firmware versions. Unfortunately, we don't have a TLV API * flag to rely on, so rely on the major version which is in * the first byte of ucode_ver. This was implemented * initially on version 38 and then backported to 17. It was * also backported to 29, but only for 7265D devices. The * intention was to have it in 36 as well, but not all 8000 * family got this feature enabled. The 8000 family is the * only one using version 36, so skip this version entirely. */ return IWL_UCODE_SERIAL(fwrt->fw->ucode_ver) >= 38 || IWL_UCODE_SERIAL(fwrt->fw->ucode_ver) == 17 || (IWL_UCODE_SERIAL(fwrt->fw->ucode_ver) == 29 && ((fwrt->trans->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_7265D)); } IWL_EXPORT_SYMBOL(iwl_sar_geo_support); int iwl_validate_sar_geo_profile(struct iwl_fw_runtime *fwrt, struct iwl_host_cmd *cmd) { struct iwl_geo_tx_power_profiles_resp *resp; int ret; resp = (void *)cmd->resp_pkt->data; ret = le32_to_cpu(resp->profile_idx); if (WARN_ON(ret > ACPI_NUM_GEO_PROFILES)) { ret = -EIO; IWL_WARN(fwrt, "Invalid geographic profile idx (%d)\n", ret); } return ret; } IWL_EXPORT_SYMBOL(iwl_validate_sar_geo_profile); int iwl_sar_geo_init(struct iwl_fw_runtime *fwrt, struct iwl_per_chain_offset_group *table) { int ret, i, j; if (!iwl_sar_geo_support(fwrt)) return -EOPNOTSUPP; ret = iwl_sar_get_wgds_table(fwrt); if (ret < 0) { IWL_DEBUG_RADIO(fwrt, "Geo SAR BIOS table invalid or unavailable. (%d)\n", ret); /* we don't fail if the table is not available */ return -ENOENT; } BUILD_BUG_ON(ACPI_NUM_GEO_PROFILES * ACPI_WGDS_NUM_BANDS * ACPI_WGDS_TABLE_SIZE + 1 != ACPI_WGDS_WIFI_DATA_SIZE); BUILD_BUG_ON(ACPI_NUM_GEO_PROFILES > IWL_NUM_GEO_PROFILES); for (i = 0; i < ACPI_NUM_GEO_PROFILES; i++) { struct iwl_per_chain_offset *chain = (struct iwl_per_chain_offset *)&table[i]; for (j = 0; j < ACPI_WGDS_NUM_BANDS; j++) { u8 *value; value = &fwrt->geo_profiles[i].values[j * ACPI_GEO_PER_CHAIN_SIZE]; chain[j].max_tx_power = cpu_to_le16(value[0]); chain[j].chain_a = value[1]; chain[j].chain_b = value[2]; IWL_DEBUG_RADIO(fwrt, "SAR geographic profile[%d] Band[%d]: chain A = %d chain B = %d max_tx_power = %d\n", i, j, value[1], value[2], value[0]); } } return 0; } IWL_EXPORT_SYMBOL(iwl_sar_geo_init);
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