diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/fw/acpi.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/fw/acpi.c | 121 |
1 files changed, 105 insertions, 16 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c index cb9181f05501..dfe8357036eb 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause /* * Copyright (C) 2017 Intel Deutschland GmbH - * Copyright (C) 2019-2022 Intel Corporation + * Copyright (C) 2019-2023 Intel Corporation */ #include <linux/uuid.h> #include <linux/dmi.h> @@ -41,6 +41,34 @@ static const struct dmi_system_id dmi_ppag_approved_list[] = { DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), }, }, + { .ident = "GOOGLE-HP", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Google"), + DMI_MATCH(DMI_BOARD_VENDOR, "HP"), + }, + }, + { .ident = "GOOGLE-ASUS", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Google"), + DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTek COMPUTER INC."), + }, + }, + { .ident = "GOOGLE-SAMSUNG", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Google"), + DMI_MATCH(DMI_BOARD_VENDOR, "SAMSUNG ELECTRONICS CO., LTD"), + }, + }, + { .ident = "DELL", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + }, + }, + { .ident = "DELL", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Alienware"), + }, + }, {} }; @@ -66,7 +94,7 @@ static int iwl_acpi_get_handle(struct device *dev, acpi_string method, return 0; } -void *iwl_acpi_get_object(struct device *dev, acpi_string method) +static void *iwl_acpi_get_object(struct device *dev, acpi_string method) { struct acpi_buffer buf = {ACPI_ALLOCATE_BUFFER, NULL}; acpi_handle handle; @@ -87,7 +115,6 @@ void *iwl_acpi_get_object(struct device *dev, acpi_string method) } return buf.pointer; } -IWL_EXPORT_SYMBOL(iwl_acpi_get_object); /* * Generic function for evaluating a method defined in the device specific @@ -209,11 +236,12 @@ int iwl_acpi_get_dsm_u32(struct device *dev, int rev, int func, } IWL_EXPORT_SYMBOL(iwl_acpi_get_dsm_u32); -union acpi_object *iwl_acpi_get_wifi_pkg_range(struct device *dev, - union acpi_object *data, - int min_data_size, - int max_data_size, - int *tbl_rev) +static union acpi_object * +iwl_acpi_get_wifi_pkg_range(struct device *dev, + union acpi_object *data, + int min_data_size, + int max_data_size, + int *tbl_rev) { int i; union acpi_object *wifi_pkg; @@ -264,7 +292,16 @@ union acpi_object *iwl_acpi_get_wifi_pkg_range(struct device *dev, found: return wifi_pkg; } -IWL_EXPORT_SYMBOL(iwl_acpi_get_wifi_pkg_range); + +static union acpi_object * +iwl_acpi_get_wifi_pkg(struct device *dev, + union acpi_object *data, + int data_size, int *tbl_rev) +{ + return iwl_acpi_get_wifi_pkg_range(dev, data, data_size, data_size, + tbl_rev); +} + int iwl_acpi_get_tas(struct iwl_fw_runtime *fwrt, union iwl_tas_config_cmd *cmd, int fw_ver) @@ -1141,33 +1178,48 @@ int iwl_read_ppag_table(struct iwl_fw_runtime *fwrt, union iwl_ppag_table_cmd *c */ cmd->v1.flags = cpu_to_le32(fwrt->ppag_flags); + IWL_DEBUG_RADIO(fwrt, "PPAG cmd ver is %d\n", cmd_ver); if (cmd_ver == 1) { num_sub_bands = IWL_NUM_SUB_BANDS_V1; gain = cmd->v1.gain[0]; *cmd_size = sizeof(cmd->v1); if (fwrt->ppag_ver == 1 || fwrt->ppag_ver == 2) { + /* in this case FW supports revision 0 */ IWL_DEBUG_RADIO(fwrt, - "PPAG table rev is %d but FW supports v1, sending truncated table\n", + "PPAG table rev is %d, send truncated table\n", fwrt->ppag_ver); - cmd->v1.flags &= cpu_to_le32(IWL_PPAG_ETSI_MASK); } } else if (cmd_ver >= 2 && cmd_ver <= 4) { num_sub_bands = IWL_NUM_SUB_BANDS_V2; gain = cmd->v2.gain[0]; *cmd_size = sizeof(cmd->v2); if (fwrt->ppag_ver == 0) { + /* in this case FW supports revisions 1 or 2 */ IWL_DEBUG_RADIO(fwrt, - "PPAG table is v1 but FW supports v2, sending padded table\n"); - } else if (cmd_ver == 2 && fwrt->ppag_ver == 2) { - IWL_DEBUG_RADIO(fwrt, - "PPAG table is v3 but FW supports v2, sending partial bitmap.\n"); - cmd->v1.flags &= cpu_to_le32(IWL_PPAG_ETSI_MASK); + "PPAG table rev is 0, send padded table\n"); } } else { IWL_DEBUG_RADIO(fwrt, "Unsupported PPAG command version\n"); return -EINVAL; } + /* ppag mode */ + IWL_DEBUG_RADIO(fwrt, + "PPAG MODE bits were read from bios: %d\n", + cmd->v1.flags & cpu_to_le32(ACPI_PPAG_MASK)); + if ((cmd_ver == 1 && !fw_has_capa(&fwrt->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_PPAG_CHINA_BIOS_SUPPORT)) || + (cmd_ver == 2 && fwrt->ppag_ver == 2)) { + cmd->v1.flags &= cpu_to_le32(IWL_PPAG_ETSI_MASK); + IWL_DEBUG_RADIO(fwrt, "masking ppag China bit\n"); + } else { + IWL_DEBUG_RADIO(fwrt, "isn't masking ppag China bit\n"); + } + + IWL_DEBUG_RADIO(fwrt, + "PPAG MODE bits going to be sent: %d\n", + cmd->v1.flags & cpu_to_le32(ACPI_PPAG_MASK)); + for (i = 0; i < IWL_NUM_CHAIN_LIMITS; i++) { for (j = 0; j < num_sub_bands; j++) { gain[i * num_sub_bands + j] = @@ -1196,3 +1248,40 @@ bool iwl_acpi_is_ppag_approved(struct iwl_fw_runtime *fwrt) return true; } IWL_EXPORT_SYMBOL(iwl_acpi_is_ppag_approved); + +void iwl_acpi_get_phy_filters(struct iwl_fw_runtime *fwrt, + struct iwl_phy_specific_cfg *filters) +{ + struct iwl_phy_specific_cfg tmp = {}; + union acpi_object *wifi_pkg, *data; + int tbl_rev, i; + + data = iwl_acpi_get_object(fwrt->dev, ACPI_WPFC_METHOD); + if (IS_ERR(data)) + return; + + /* try to read wtas table revision 1 or revision 0*/ + wifi_pkg = iwl_acpi_get_wifi_pkg(fwrt->dev, data, + ACPI_WPFC_WIFI_DATA_SIZE, + &tbl_rev); + if (IS_ERR(wifi_pkg)) + goto out_free; + + if (tbl_rev != 0) + goto out_free; + + BUILD_BUG_ON(ARRAY_SIZE(filters->filter_cfg_chains) != ACPI_WPFC_WIFI_DATA_SIZE); + + for (i = 0; i < ARRAY_SIZE(filters->filter_cfg_chains); i++) { + if (wifi_pkg->package.elements[i].type != ACPI_TYPE_INTEGER) + return; + tmp.filter_cfg_chains[i] = + cpu_to_le32(wifi_pkg->package.elements[i].integer.value); + } + + IWL_DEBUG_RADIO(fwrt, "Loaded WPFC filter config from ACPI\n"); + *filters = tmp; +out_free: + kfree(data); +} +IWL_EXPORT_SYMBOL(iwl_acpi_get_phy_filters); |