diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/fw/acpi.c')
-rw-r--r-- | drivers/net/wireless/intel/iwlwifi/fw/acpi.c | 827 |
1 files changed, 282 insertions, 545 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c index dcc4810cb324..bee7d92293b8 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c @@ -1,10 +1,9 @@ // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause /* * Copyright (C) 2017 Intel Deutschland GmbH - * Copyright (C) 2019-2023 Intel Corporation + * Copyright (C) 2019-2025 Intel Corporation */ #include <linux/uuid.h> -#include <linux/dmi.h> #include "iwl-drv.h" #include "iwl-debug.h" #include "acpi.h" @@ -13,68 +12,22 @@ const guid_t iwl_guid = GUID_INIT(0xF21202BF, 0x8F78, 0x4DC6, 0xA5, 0xB3, 0x1F, 0x73, 0x8E, 0x28, 0x5A, 0xDE); -IWL_EXPORT_SYMBOL(iwl_guid); -const guid_t iwl_rfi_guid = GUID_INIT(0x7266172C, 0x220B, 0x4B29, - 0x81, 0x4F, 0x75, 0xE4, - 0xDD, 0x26, 0xB5, 0xFD); -IWL_EXPORT_SYMBOL(iwl_rfi_guid); - -static const struct dmi_system_id dmi_ppag_approved_list[] = { - { .ident = "HP", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "HP"), - }, - }, - { .ident = "SAMSUNG", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD"), - }, - }, - { .ident = "MSFT", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"), - }, - }, - { .ident = "ASUS", - .matches = { - 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"), - }, - }, - { .ident = "RAZER", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Razer"), - }, - }, - {} +static const size_t acpi_dsm_size[DSM_FUNC_NUM_FUNCS] = { + [DSM_FUNC_QUERY] = sizeof(u32), + [DSM_FUNC_DISABLE_SRD] = sizeof(u8), + [DSM_FUNC_ENABLE_INDONESIA_5G2] = sizeof(u8), + [DSM_FUNC_ENABLE_6E] = sizeof(u32), + [DSM_FUNC_REGULATORY_CONFIG] = sizeof(u32), + /* Not supported in driver */ + [5] = (size_t)0, + [DSM_FUNC_11AX_ENABLEMENT] = sizeof(u32), + [DSM_FUNC_ENABLE_UNII4_CHAN] = sizeof(u32), + [DSM_FUNC_ACTIVATE_CHANNEL] = sizeof(u32), + [DSM_FUNC_FORCE_DISABLE_CHANNELS] = sizeof(u32), + [DSM_FUNC_ENERGY_DETECTION_THRESHOLD] = sizeof(u32), + [DSM_FUNC_RFI_CONFIG] = sizeof(u32), + [DSM_FUNC_ENABLE_11BE] = sizeof(u32), }; static int iwl_acpi_get_handle(struct device *dev, acpi_string method, @@ -126,9 +79,9 @@ static void *iwl_acpi_get_object(struct device *dev, acpi_string method) * method (DSM) interface. The returned acpi object must be freed by calling * function. */ -static void *iwl_acpi_get_dsm_object(struct device *dev, int rev, int func, - union acpi_object *args, - const guid_t *guid) +union acpi_object *iwl_acpi_get_dsm_object(struct device *dev, int rev, + int func, union acpi_object *args, + const guid_t *guid) { union acpi_object *obj; @@ -155,7 +108,7 @@ static int iwl_acpi_get_dsm_integer(struct device *dev, int rev, int func, size_t expected_size) { union acpi_object *obj; - int ret = 0; + int ret; obj = iwl_acpi_get_dsm_object(dev, rev, func, NULL, guid); if (IS_ERR(obj)) { @@ -170,8 +123,10 @@ static int iwl_acpi_get_dsm_integer(struct device *dev, int rev, int func, } else if (obj->type == ACPI_TYPE_BUFFER) { __le64 le_value = 0; - if (WARN_ON_ONCE(expected_size > sizeof(le_value))) - return -EINVAL; + if (WARN_ON_ONCE(expected_size > sizeof(le_value))) { + ret = -EINVAL; + goto out; + } /* if the buffer size doesn't match the expected size */ if (obj->buffer.length != expected_size) @@ -192,54 +147,50 @@ static int iwl_acpi_get_dsm_integer(struct device *dev, int rev, int func, } IWL_DEBUG_DEV_RADIO(dev, - "ACPI: DSM method evaluated: func=%d, ret=%d\n", - func, ret); + "ACPI: DSM method evaluated: func=%d, value=%lld\n", + func, *value); + ret = 0; out: ACPI_FREE(obj); return ret; } /* - * Evaluate a DSM with no arguments and a u8 return value, + * This function receives a DSM function number, calculates its expected size + * according to Intel BIOS spec, and fills in the value in a 32-bit field. + * In case the expected size is smaller than 32-bit, padding will be added. */ -int iwl_acpi_get_dsm_u8(struct device *dev, int rev, int func, - const guid_t *guid, u8 *value) +int iwl_acpi_get_dsm(struct iwl_fw_runtime *fwrt, + enum iwl_dsm_funcs func, u32 *value) { + size_t expected_size; + u64 tmp; int ret; - u64 val; - ret = iwl_acpi_get_dsm_integer(dev, rev, func, - guid, &val, sizeof(u8)); + BUILD_BUG_ON(ARRAY_SIZE(acpi_dsm_size) != DSM_FUNC_NUM_FUNCS); - if (ret < 0) - return ret; + if (WARN_ON(func >= ARRAY_SIZE(acpi_dsm_size))) + return -EINVAL; - /* cast val (u64) to be u8 */ - *value = (u8)val; - return 0; -} -IWL_EXPORT_SYMBOL(iwl_acpi_get_dsm_u8); + expected_size = acpi_dsm_size[func]; -/* - * Evaluate a DSM with no arguments and a u32 return value, - */ -int iwl_acpi_get_dsm_u32(struct device *dev, int rev, int func, - const guid_t *guid, u32 *value) -{ - int ret; - u64 val; - - ret = iwl_acpi_get_dsm_integer(dev, rev, func, - guid, &val, sizeof(u32)); + /* Currently all ACPI DSMs are either 8-bit or 32-bit */ + if (expected_size != sizeof(u8) && expected_size != sizeof(u32)) + return -EOPNOTSUPP; - if (ret < 0) + ret = iwl_acpi_get_dsm_integer(fwrt->dev, ACPI_DSM_REV, func, + &iwl_guid, &tmp, expected_size); + if (ret) return ret; - /* cast val (u64) to be u32 */ - *value = (u32)val; + if ((expected_size == sizeof(u8) && tmp != (u8)tmp) || + (expected_size == sizeof(u32) && tmp != (u32)tmp)) + IWL_DEBUG_RADIO(fwrt, + "DSM value overflows the expected size, truncating\n"); + *value = (u32)tmp; + return 0; } -IWL_EXPORT_SYMBOL(iwl_acpi_get_dsm_u32); static union acpi_object * iwl_acpi_get_wifi_pkg_range(struct device *dev, @@ -307,18 +258,18 @@ iwl_acpi_get_wifi_pkg(struct device *dev, tbl_rev); } - -int iwl_acpi_get_tas(struct iwl_fw_runtime *fwrt, - union iwl_tas_config_cmd *cmd, int fw_ver) +int iwl_acpi_get_tas_table(struct iwl_fw_runtime *fwrt, + struct iwl_tas_data *tas_data) { union acpi_object *wifi_pkg, *data; - int ret, tbl_rev, i, block_list_size, enabled; + int ret, tbl_rev, block_list_size, enabled; + u32 tas_selection; data = iwl_acpi_get_object(fwrt->dev, ACPI_WTAS_METHOD); if (IS_ERR(data)) return PTR_ERR(data); - /* try to read wtas table revision 1 or revision 0*/ + /* try to read wtas table */ wifi_pkg = iwl_acpi_get_wifi_pkg(fwrt->dev, data, ACPI_WTAS_WIFI_DATA_SIZE, &tbl_rev); @@ -327,63 +278,41 @@ int iwl_acpi_get_tas(struct iwl_fw_runtime *fwrt, goto out_free; } - if (tbl_rev == 1 && wifi_pkg->package.elements[1].type == - ACPI_TYPE_INTEGER) { - u32 tas_selection = - (u32)wifi_pkg->package.elements[1].integer.value; - u16 override_iec = - (tas_selection & ACPI_WTAS_OVERRIDE_IEC_MSK) >> ACPI_WTAS_OVERRIDE_IEC_POS; - u16 enabled_iec = (tas_selection & ACPI_WTAS_ENABLE_IEC_MSK) >> - ACPI_WTAS_ENABLE_IEC_POS; - u8 usa_tas_uhb = (tas_selection & ACPI_WTAS_USA_UHB_MSK) >> ACPI_WTAS_USA_UHB_POS; - - - enabled = tas_selection & ACPI_WTAS_ENABLED_MSK; - if (fw_ver <= 3) { - cmd->v3.override_tas_iec = cpu_to_le16(override_iec); - cmd->v3.enable_tas_iec = cpu_to_le16(enabled_iec); - } else { - cmd->v4.usa_tas_uhb_allowed = usa_tas_uhb; - cmd->v4.override_tas_iec = (u8)override_iec; - cmd->v4.enable_tas_iec = (u8)enabled_iec; - } - - } else if (tbl_rev == 0 && - wifi_pkg->package.elements[1].type == ACPI_TYPE_INTEGER) { - enabled = !!wifi_pkg->package.elements[1].integer.value; - } else { + if (tbl_rev < 0 || tbl_rev > 2 || + wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) { ret = -EINVAL; goto out_free; } - if (!enabled) { - IWL_DEBUG_RADIO(fwrt, "TAS not enabled\n"); - ret = 0; - goto out_free; - } + tas_selection = (u32)wifi_pkg->package.elements[1].integer.value; + enabled = tas_selection & IWL_WTAS_ENABLED_MSK; + + IWL_DEBUG_RADIO(fwrt, "TAS selection as read from BIOS: 0x%x\n", + tas_selection); + tas_data->table_source = BIOS_SOURCE_ACPI; + tas_data->table_revision = tbl_rev; + tas_data->tas_selection = tas_selection; + + IWL_DEBUG_RADIO(fwrt, "TAS %s enabled\n", + enabled ? "is" : "not"); IWL_DEBUG_RADIO(fwrt, "Reading TAS table revision %d\n", tbl_rev); if (wifi_pkg->package.elements[2].type != ACPI_TYPE_INTEGER || wifi_pkg->package.elements[2].integer.value > - APCI_WTAS_BLACK_LIST_MAX) { + IWL_WTAS_BLACK_LIST_MAX) { IWL_DEBUG_RADIO(fwrt, "TAS invalid array size %llu\n", wifi_pkg->package.elements[2].integer.value); ret = -EINVAL; goto out_free; } + block_list_size = wifi_pkg->package.elements[2].integer.value; - cmd->v4.block_list_size = cpu_to_le32(block_list_size); + tas_data->block_list_size = block_list_size; IWL_DEBUG_RADIO(fwrt, "TAS array size %u\n", block_list_size); - if (block_list_size > APCI_WTAS_BLACK_LIST_MAX) { - IWL_DEBUG_RADIO(fwrt, "TAS invalid array size value %u\n", - block_list_size); - ret = -EINVAL; - goto out_free; - } - for (i = 0; i < block_list_size; i++) { - u32 country; + for (int i = 0; i < block_list_size; i++) { + u16 country; if (wifi_pkg->package.elements[3 + i].type != ACPI_TYPE_INTEGER) { @@ -394,28 +323,28 @@ int iwl_acpi_get_tas(struct iwl_fw_runtime *fwrt, } country = wifi_pkg->package.elements[3 + i].integer.value; - cmd->v4.block_list_array[i] = cpu_to_le32(country); + tas_data->block_list_array[i] = country; IWL_DEBUG_RADIO(fwrt, "TAS block list country %d\n", country); } - ret = 1; + ret = enabled; out_free: kfree(data); return ret; } -IWL_EXPORT_SYMBOL(iwl_acpi_get_tas); -int iwl_acpi_get_mcc(struct device *dev, char *mcc) +int iwl_acpi_get_mcc(struct iwl_fw_runtime *fwrt, char *mcc) { union acpi_object *wifi_pkg, *data; u32 mcc_val; int ret, tbl_rev; - data = iwl_acpi_get_object(dev, ACPI_WRDD_METHOD); + data = iwl_acpi_get_object(fwrt->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, + wifi_pkg = iwl_acpi_get_wifi_pkg(fwrt->dev, data, + ACPI_WRDD_WIFI_DATA_SIZE, &tbl_rev); if (IS_ERR(wifi_pkg)) { ret = PTR_ERR(wifi_pkg); @@ -429,6 +358,11 @@ int iwl_acpi_get_mcc(struct device *dev, char *mcc) } mcc_val = wifi_pkg->package.elements[1].integer.value; + if (mcc_val != BIOS_MCC_CHINA) { + ret = -EINVAL; + IWL_DEBUG_RADIO(fwrt, "ACPI WRDD is supported only for CN\n"); + goto out_free; + } mcc[0] = (mcc_val >> 8) & 0xff; mcc[1] = mcc_val & 0xff; @@ -439,46 +373,42 @@ out_free: kfree(data); return ret; } -IWL_EXPORT_SYMBOL(iwl_acpi_get_mcc); -u64 iwl_acpi_get_pwr_limit(struct device *dev) +int iwl_acpi_get_pwr_limit(struct iwl_fw_runtime *fwrt, u64 *dflt_pwr_limit) { union acpi_object *data, *wifi_pkg; - u64 dflt_pwr_limit; - int tbl_rev; + int tbl_rev, ret = -EINVAL; - data = iwl_acpi_get_object(dev, ACPI_SPLC_METHOD); - if (IS_ERR(data)) { - dflt_pwr_limit = 0; + *dflt_pwr_limit = 0; + data = iwl_acpi_get_object(fwrt->dev, ACPI_SPLC_METHOD); + if (IS_ERR(data)) goto out; - } - wifi_pkg = iwl_acpi_get_wifi_pkg(dev, data, + wifi_pkg = iwl_acpi_get_wifi_pkg(fwrt->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; + wifi_pkg->package.elements[1].integer.value != ACPI_TYPE_INTEGER) goto out_free; - } - dflt_pwr_limit = wifi_pkg->package.elements[1].integer.value; + *dflt_pwr_limit = wifi_pkg->package.elements[1].integer.value; + ret = 0; out_free: kfree(data); out: - return dflt_pwr_limit; + return ret; } -IWL_EXPORT_SYMBOL(iwl_acpi_get_pwr_limit); -int iwl_acpi_get_eckv(struct device *dev, u32 *extl_clk) +int iwl_acpi_get_eckv(struct iwl_fw_runtime *fwrt, u32 *extl_clk) { union acpi_object *wifi_pkg, *data; int ret, tbl_rev; - data = iwl_acpi_get_object(dev, ACPI_ECKV_METHOD); + data = iwl_acpi_get_object(fwrt->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, + wifi_pkg = iwl_acpi_get_wifi_pkg(fwrt->dev, data, + ACPI_ECKV_WIFI_DATA_SIZE, &tbl_rev); if (IS_ERR(wifi_pkg)) { ret = PTR_ERR(wifi_pkg); @@ -499,109 +429,33 @@ out_free: kfree(data); return ret; } -IWL_EXPORT_SYMBOL(iwl_acpi_get_eckv); -static int iwl_sar_set_profile(union acpi_object *table, - struct iwl_sar_profile *profile, - bool enabled, u8 num_chains, u8 num_sub_bands) +static int +iwl_acpi_parse_chains_table(union acpi_object *table, + struct iwl_sar_profile_chain *chains, + u8 num_chains, u8 num_sub_bands) { - int i, j, idx = 0; - - /* - * The table from ACPI is flat, but we store it in a - * structured array. - */ - for (i = 0; i < ACPI_SAR_NUM_CHAINS_REV2; i++) { - for (j = 0; j < ACPI_SAR_NUM_SUB_BANDS_REV2; j++) { + for (u8 chain = 0; chain < num_chains; chain++) { + for (u8 subband = 0; subband < BIOS_SAR_MAX_SUB_BANDS_NUM; + subband++) { /* if we don't have the values, use the default */ - if (i >= num_chains || j >= num_sub_bands) { - profile->chains[i].subbands[j] = 0; + if (subband >= num_sub_bands) { + chains[chain].subbands[subband] = 0; + } else if (table->type != ACPI_TYPE_INTEGER || + table->integer.value > U8_MAX) { + return -EINVAL; } else { - if (table[idx].type != ACPI_TYPE_INTEGER || - table[idx].integer.value > U8_MAX) - return -EINVAL; - - profile->chains[i].subbands[j] = - table[idx].integer.value; - - idx++; + chains[chain].subbands[subband] = + table->integer.value; + table++; } } } - /* Only if all values were valid can the profile be enabled */ - profile->enabled = enabled; - - return 0; -} - -static int iwl_sar_fill_table(struct iwl_fw_runtime *fwrt, - __le16 *per_chain, u32 n_subbands, - int prof_a, int prof_b) -{ - int profs[ACPI_SAR_NUM_CHAINS_REV0] = { prof_a, prof_b }; - int i, j; - - for (i = 0; i < ACPI_SAR_NUM_CHAINS_REV0; 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 < n_subbands; j++) { - per_chain[i * n_subbands + j] = - cpu_to_le16(prof->chains[i].subbands[j]); - IWL_DEBUG_RADIO(fwrt, " Band[%d] = %d * .125dBm\n", - j, prof->chains[i].subbands[j]); - } - } - return 0; } -int iwl_sar_select_profile(struct iwl_fw_runtime *fwrt, - __le16 *per_chain, u32 n_tables, u32 n_subbands, - int prof_a, int prof_b) -{ - int i, ret = 0; - - for (i = 0; i < n_tables; i++) { - ret = iwl_sar_fill_table(fwrt, - &per_chain[i * n_subbands * ACPI_SAR_NUM_CHAINS_REV0], - n_subbands, prof_a, prof_b); - if (ret) - break; - } - - return ret; -} -IWL_EXPORT_SYMBOL(iwl_sar_select_profile); - -int iwl_sar_get_wrds_table(struct iwl_fw_runtime *fwrt) +int iwl_acpi_get_wrds_table(struct iwl_fw_runtime *fwrt) { union acpi_object *wifi_pkg, *table, *data; int ret, tbl_rev; @@ -680,22 +534,23 @@ read_table: /* 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], - flags & IWL_SAR_ENABLE_MSK, - num_chains, num_sub_bands); + ret = iwl_acpi_parse_chains_table(table, fwrt->sar_profiles[0].chains, + num_chains, num_sub_bands); + if (!ret && flags & IWL_SAR_ENABLE_MSK) + fwrt->sar_profiles[0].enabled = true; + 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) +int iwl_acpi_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; - u8 num_chains, num_sub_bands; + u8 num_sub_bands; data = iwl_acpi_get_object(fwrt->dev, ACPI_EWRD_METHOD); if (IS_ERR(data)) @@ -711,7 +566,6 @@ int iwl_sar_get_ewrd_table(struct iwl_fw_runtime *fwrt) goto out_free; } - num_chains = ACPI_SAR_NUM_CHAINS_REV2; num_sub_bands = ACPI_SAR_NUM_SUB_BANDS_REV2; goto read_table; @@ -727,7 +581,6 @@ int iwl_sar_get_ewrd_table(struct iwl_fw_runtime *fwrt) goto out_free; } - num_chains = ACPI_SAR_NUM_CHAINS_REV1; num_sub_bands = ACPI_SAR_NUM_SUB_BANDS_REV1; goto read_table; @@ -743,7 +596,6 @@ int iwl_sar_get_ewrd_table(struct iwl_fw_runtime *fwrt) goto out_free; } - num_chains = ACPI_SAR_NUM_CHAINS_REV0; num_sub_bands = ACPI_SAR_NUM_SUB_BANDS_REV0; goto read_table; @@ -767,7 +619,7 @@ read_table: * 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) { + if (n_profiles >= BIOS_SAR_MAX_PROFILE_NUM) { ret = -EINVAL; goto out_free; } @@ -775,28 +627,60 @@ read_table: /* the tables start at element 3 */ pos = 3; + BUILD_BUG_ON(ACPI_SAR_NUM_CHAINS_REV0 != ACPI_SAR_NUM_CHAINS_REV1); + BUILD_BUG_ON(ACPI_SAR_NUM_CHAINS_REV2 != 2 * ACPI_SAR_NUM_CHAINS_REV0); + + /* parse non-cdb chains for all profiles */ for (i = 0; i < n_profiles; i++) { + union acpi_object *table = &wifi_pkg->package.elements[pos]; + /* 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, - num_chains, num_sub_bands); + ret = iwl_acpi_parse_chains_table(table, + fwrt->sar_profiles[i + 1].chains, + ACPI_SAR_NUM_CHAINS_REV0, + num_sub_bands); if (ret < 0) - break; + goto out_free; /* go to the next table */ - pos += num_chains * num_sub_bands; + pos += ACPI_SAR_NUM_CHAINS_REV0 * num_sub_bands; } + /* non-cdb table revisions */ + if (tbl_rev < 2) + goto set_enabled; + + /* parse cdb chains for all profiles */ + for (i = 0; i < n_profiles; i++) { + struct iwl_sar_profile_chain *chains; + union acpi_object *table; + + table = &wifi_pkg->package.elements[pos]; + chains = &fwrt->sar_profiles[i + 1].chains[ACPI_SAR_NUM_CHAINS_REV0]; + ret = iwl_acpi_parse_chains_table(table, + chains, + ACPI_SAR_NUM_CHAINS_REV0, + num_sub_bands); + if (ret < 0) + goto out_free; + + /* go to the next table */ + pos += ACPI_SAR_NUM_CHAINS_REV0 * num_sub_bands; + } + +set_enabled: + for (i = 0; i < n_profiles; i++) + fwrt->sar_profiles[i + 1].enabled = enabled; + 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) +int iwl_acpi_get_wgds_table(struct iwl_fw_runtime *fwrt) { union acpi_object *wifi_pkg, *data; int i, j, k, ret, tbl_rev; @@ -811,7 +695,7 @@ int iwl_sar_get_wgds_table(struct iwl_fw_runtime *fwrt) .revisions = BIT(3), .bands = ACPI_GEO_NUM_BANDS_REV2, .profiles = ACPI_NUM_GEO_PROFILES_REV3, - .min_profiles = 3, + .min_profiles = BIOS_GEO_MIN_PROFILE_NUM, }, { .revisions = BIT(2), @@ -867,22 +751,25 @@ int iwl_sar_get_wgds_table(struct iwl_fw_runtime *fwrt) entry = &wifi_pkg->package.elements[entry_idx]; entry_idx++; if (entry->type != ACPI_TYPE_INTEGER || - entry->integer.value > num_profiles) { + entry->integer.value > num_profiles || + entry->integer.value < + rev_data[idx].min_profiles) { ret = -EINVAL; goto out_free; } - num_profiles = entry->integer.value; /* - * this also validates >= min_profiles since we - * otherwise wouldn't have gotten the data when - * looking up in ACPI + * Check to see if we received package count + * same as max # of profiles */ if (wifi_pkg->package.count != hdr_size + profile_size * num_profiles) { ret = -EINVAL; goto out_free; } + + /* Number of valid profiles */ + num_profiles = entry->integer.value; } goto read_table; } @@ -897,7 +784,7 @@ int iwl_sar_get_wgds_table(struct iwl_fw_runtime *fwrt) read_table: fwrt->geo_rev = tbl_rev; for (i = 0; i < num_profiles; i++) { - for (j = 0; j < ACPI_GEO_NUM_BANDS_REV2; j++) { + for (j = 0; j < BIOS_GEO_MAX_NUM_BANDS; j++) { union acpi_object *entry; /* @@ -921,7 +808,7 @@ read_table: entry->integer.value; } - for (k = 0; k < ACPI_GEO_NUM_CHAINS; k++) { + for (k = 0; k < BIOS_GEO_NUM_CHAINS; k++) { /* same here as above */ if (j >= num_bands) { fwrt->geo_profiles[i].bands[j].chains[k] = @@ -949,151 +836,26 @@ 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 PER_CHAIN_LIMIT_OFFSET_CMD 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 && - fwrt->trans->hw_rev != CSR_HW_REV_TYPE_3160) || - (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_sar_geo_init(struct iwl_fw_runtime *fwrt, - struct iwl_per_chain_offset *table, - u32 n_bands, u32 n_profiles) -{ - int i, j; - - if (!fwrt->geo_enabled) - return -ENODATA; - - if (!iwl_sar_geo_support(fwrt)) - return -EOPNOTSUPP; - - for (i = 0; i < n_profiles; i++) { - for (j = 0; j < n_bands; j++) { - struct iwl_per_chain_offset *chain = - &table[i * n_bands + j]; - - chain->max_tx_power = - cpu_to_le16(fwrt->geo_profiles[i].bands[j].max); - chain->chain_a = fwrt->geo_profiles[i].bands[j].chains[0]; - chain->chain_b = fwrt->geo_profiles[i].bands[j].chains[1]; - IWL_DEBUG_RADIO(fwrt, - "SAR geographic profile[%d] Band[%d]: chain A = %d chain B = %d max_tx_power = %d\n", - i, j, - fwrt->geo_profiles[i].bands[j].chains[0], - fwrt->geo_profiles[i].bands[j].chains[1], - fwrt->geo_profiles[i].bands[j].max); - } - } - - return 0; -} -IWL_EXPORT_SYMBOL(iwl_sar_geo_init); - -__le32 iwl_acpi_get_lari_config_bitmap(struct iwl_fw_runtime *fwrt) -{ - int ret; - u8 value; - u32 val; - __le32 config_bitmap = 0; - - /* - * Evaluate func 'DSM_FUNC_ENABLE_INDONESIA_5G2'. - * Setting config_bitmap Indonesia bit is valid only for HR/JF. - */ - switch (CSR_HW_RFID_TYPE(fwrt->trans->hw_rf_id)) { - case IWL_CFG_RF_TYPE_HR1: - case IWL_CFG_RF_TYPE_HR2: - case IWL_CFG_RF_TYPE_JF1: - case IWL_CFG_RF_TYPE_JF2: - ret = iwl_acpi_get_dsm_u8(fwrt->dev, 0, - DSM_FUNC_ENABLE_INDONESIA_5G2, - &iwl_guid, &value); - - if (!ret && value == DSM_VALUE_INDONESIA_ENABLE) - config_bitmap |= - cpu_to_le32(LARI_CONFIG_ENABLE_5G2_IN_INDONESIA_MSK); - break; - default: - break; - } - - /* - ** Evaluate func 'DSM_FUNC_DISABLE_SRD' - */ - ret = iwl_acpi_get_dsm_u8(fwrt->dev, 0, - DSM_FUNC_DISABLE_SRD, - &iwl_guid, &value); - if (!ret) { - if (value == DSM_VALUE_SRD_PASSIVE) - config_bitmap |= - cpu_to_le32(LARI_CONFIG_CHANGE_ETSI_TO_PASSIVE_MSK); - else if (value == DSM_VALUE_SRD_DISABLE) - config_bitmap |= - cpu_to_le32(LARI_CONFIG_CHANGE_ETSI_TO_DISABLED_MSK); - } - - if (fw_has_capa(&fwrt->fw->ucode_capa, - IWL_UCODE_TLV_CAPA_CHINA_22_REG_SUPPORT)) { - /* - ** Evaluate func 'DSM_FUNC_REGULATORY_CONFIG' - */ - ret = iwl_acpi_get_dsm_u32(fwrt->dev, 0, - DSM_FUNC_REGULATORY_CONFIG, - &iwl_guid, &val); - /* - * China 2022 enable if the BIOS object does not exist or - * if it is enabled in BIOS. - */ - if (ret < 0 || val & DSM_MASK_CHINA_22_REG) - config_bitmap |= - cpu_to_le32(LARI_CONFIG_ENABLE_CHINA_22_REG_SUPPORT_MSK); - } - - return config_bitmap; -} -IWL_EXPORT_SYMBOL(iwl_acpi_get_lari_config_bitmap); int iwl_acpi_get_ppag_table(struct iwl_fw_runtime *fwrt) { union acpi_object *wifi_pkg, *data, *flags; int i, j, ret, tbl_rev, num_sub_bands = 0; int idx = 2; - u8 cmd_ver; - - fwrt->ppag_flags = 0; - fwrt->ppag_table_valid = false; data = iwl_acpi_get_object(fwrt->dev, ACPI_PPAG_METHOD); if (IS_ERR(data)) return PTR_ERR(data); - /* try to read ppag table rev 2 or 1 (both have the same data size) */ + /* try to read ppag table rev 1 to 4 (all have the same data size) */ wifi_pkg = iwl_acpi_get_wifi_pkg(fwrt->dev, data, ACPI_PPAG_WIFI_DATA_SIZE_V2, &tbl_rev); if (!IS_ERR(wifi_pkg)) { - if (tbl_rev == 1 || tbl_rev == 2) { + if (tbl_rev >= 1 && tbl_rev <= 4) { num_sub_bands = IWL_NUM_SUB_BANDS_V2; IWL_DEBUG_RADIO(fwrt, - "Reading PPAG table v2 (tbl_rev=%d)\n", + "Reading PPAG table (tbl_rev=%d)\n", tbl_rev); goto read_table; } else { @@ -1120,7 +882,7 @@ int iwl_acpi_get_ppag_table(struct iwl_fw_runtime *fwrt) goto out_free; read_table: - fwrt->ppag_ver = tbl_rev; + fwrt->ppag_bios_rev = tbl_rev; flags = &wifi_pkg->package.elements[1]; if (flags->type != ACPI_TYPE_INTEGER) { @@ -1128,19 +890,8 @@ read_table: goto out_free; } - fwrt->ppag_flags = flags->integer.value & ACPI_PPAG_MASK; - cmd_ver = iwl_fw_lookup_cmd_ver(fwrt->fw, - WIDE_ID(PHY_OPS_GROUP, - PER_PLATFORM_ANT_GAIN_CMD), - IWL_FW_CMD_VER_UNKNOWN); - if (cmd_ver == IWL_FW_CMD_VER_UNKNOWN) { - ret = -EINVAL; - goto out_free; - } - if (!fwrt->ppag_flags && cmd_ver <= 3) { - ret = 0; - goto out_free; - } + fwrt->ppag_flags = iwl_bios_get_ppag_flags(flags->integer.value, + fwrt->ppag_bios_rev); /* * read, verify gain values and save them into the PPAG table. @@ -1158,166 +909,152 @@ read_table: } fwrt->ppag_chains[i].subbands[j] = ent->integer.value; - /* from ver 4 the fw deals with out of range values */ - if (cmd_ver >= 4) - continue; - if ((j == 0 && - (fwrt->ppag_chains[i].subbands[j] > ACPI_PPAG_MAX_LB || - fwrt->ppag_chains[i].subbands[j] < ACPI_PPAG_MIN_LB)) || - (j != 0 && - (fwrt->ppag_chains[i].subbands[j] > ACPI_PPAG_MAX_HB || - fwrt->ppag_chains[i].subbands[j] < ACPI_PPAG_MIN_HB))) { - ret = -EINVAL; - goto out_free; - } } } - fwrt->ppag_table_valid = true; + fwrt->ppag_bios_source = BIOS_SOURCE_ACPI; ret = 0; out_free: kfree(data); return ret; } -IWL_EXPORT_SYMBOL(iwl_acpi_get_ppag_table); -int iwl_read_ppag_table(struct iwl_fw_runtime *fwrt, union iwl_ppag_table_cmd *cmd, - int *cmd_size) +int iwl_acpi_get_phy_filters(struct iwl_fw_runtime *fwrt) { - u8 cmd_ver; - int i, j, num_sub_bands; - s8 *gain; + struct iwl_phy_specific_cfg *filters = &fwrt->phy_filters; + struct iwl_phy_specific_cfg tmp = {}; + union acpi_object *wifi_pkg, *data __free(kfree); + int tbl_rev, i; - /* many firmware images for JF lie about this */ - if (CSR_HW_RFID_TYPE(fwrt->trans->hw_rf_id) == - CSR_HW_RFID_TYPE(CSR_HW_RF_ID_TYPE_JF)) - return -EOPNOTSUPP; + data = iwl_acpi_get_object(fwrt->dev, ACPI_WPFC_METHOD); + if (IS_ERR(data)) + return PTR_ERR(data); - if (!fw_has_capa(&fwrt->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_PPAG)) { - IWL_DEBUG_RADIO(fwrt, - "PPAG capability not supported by FW, command not sent.\n"); - return -EINVAL; - } + wifi_pkg = iwl_acpi_get_wifi_pkg(fwrt->dev, data, + ACPI_WPFC_WIFI_DATA_SIZE, + &tbl_rev); + if (IS_ERR(wifi_pkg)) + return PTR_ERR(wifi_pkg); - cmd_ver = iwl_fw_lookup_cmd_ver(fwrt->fw, - WIDE_ID(PHY_OPS_GROUP, - PER_PLATFORM_ANT_GAIN_CMD), - IWL_FW_CMD_VER_UNKNOWN); - if (!fwrt->ppag_table_valid || (cmd_ver <= 3 && !fwrt->ppag_flags)) { - IWL_DEBUG_RADIO(fwrt, "PPAG not enabled, command not sent.\n"); + if (tbl_rev != 0) return -EINVAL; - } - /* The 'flags' field is the same in v1 and in v2 so we can just - * use v1 to access it. - */ - 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, send truncated table\n", - fwrt->ppag_ver); - } - } 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 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)); + BUILD_BUG_ON(ARRAY_SIZE(filters->filter_cfg_chains) != + ACPI_WPFC_WIFI_DATA_SIZE - 1); - for (i = 0; i < IWL_NUM_CHAIN_LIMITS; i++) { - for (j = 0; j < num_sub_bands; j++) { - gain[i * num_sub_bands + j] = - fwrt->ppag_chains[i].subbands[j]; - IWL_DEBUG_RADIO(fwrt, - "PPAG table: chain[%d] band[%d]: gain = %d\n", - i, j, gain[i * num_sub_bands + j]); - } - } + for (i = 0; i < ARRAY_SIZE(filters->filter_cfg_chains); i++) { + if (wifi_pkg->package.elements[i + 1].type != ACPI_TYPE_INTEGER) + return -EINVAL; + tmp.filter_cfg_chains[i] = + cpu_to_le32(wifi_pkg->package.elements[i + 1].integer.value); + } + IWL_DEBUG_RADIO(fwrt, "Loaded WPFC filter config from ACPI\n"); + *filters = tmp; return 0; } -IWL_EXPORT_SYMBOL(iwl_read_ppag_table); +IWL_EXPORT_SYMBOL(iwl_acpi_get_phy_filters); -bool iwl_acpi_is_ppag_approved(struct iwl_fw_runtime *fwrt) +void iwl_acpi_get_guid_lock_status(struct iwl_fw_runtime *fwrt) { + union acpi_object *wifi_pkg, *data; + int tbl_rev; - if (!dmi_check_system(dmi_ppag_approved_list)) { - IWL_DEBUG_RADIO(fwrt, - "System vendor '%s' is not in the approved list, disabling PPAG.\n", - dmi_get_system_info(DMI_SYS_VENDOR)); - fwrt->ppag_flags = 0; - return false; + data = iwl_acpi_get_object(fwrt->dev, ACPI_GLAI_METHOD); + if (IS_ERR(data)) + return; + + wifi_pkg = iwl_acpi_get_wifi_pkg(fwrt->dev, data, + ACPI_GLAI_WIFI_DATA_SIZE, + &tbl_rev); + if (IS_ERR(wifi_pkg)) + goto out_free; + + if (tbl_rev != 0) { + IWL_DEBUG_RADIO(fwrt, "Invalid GLAI revision: %d\n", tbl_rev); + goto out_free; } - return true; + if (wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER || + wifi_pkg->package.elements[1].integer.value > ACPI_GLAI_MAX_STATUS) + goto out_free; + + fwrt->uefi_tables_lock_status = + wifi_pkg->package.elements[1].integer.value; + + IWL_DEBUG_RADIO(fwrt, + "Loaded UEFI WIFI GUID lock status: %d from ACPI\n", + fwrt->uefi_tables_lock_status); +out_free: + kfree(data); } -IWL_EXPORT_SYMBOL(iwl_acpi_is_ppag_approved); +IWL_EXPORT_SYMBOL(iwl_acpi_get_guid_lock_status); -void iwl_acpi_get_phy_filters(struct iwl_fw_runtime *fwrt, - struct iwl_phy_specific_cfg *filters) +int iwl_acpi_get_wbem(struct iwl_fw_runtime *fwrt, u32 *value) { - struct iwl_phy_specific_cfg tmp = {}; union acpi_object *wifi_pkg, *data; - int tbl_rev, i; + int ret = -ENOENT; + int tbl_rev; - data = iwl_acpi_get_object(fwrt->dev, ACPI_WPFC_METHOD); + data = iwl_acpi_get_object(fwrt->dev, ACPI_WBEM_METHOD); if (IS_ERR(data)) - return; + return ret; - /* 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, + ACPI_WBEM_WIFI_DATA_SIZE, &tbl_rev); if (IS_ERR(wifi_pkg)) goto out_free; - if (tbl_rev != 0) + if (tbl_rev != IWL_ACPI_WBEM_REVISION) { + IWL_DEBUG_RADIO(fwrt, "Unsupported ACPI WBEM revision:%d\n", + tbl_rev); + goto out_free; + } + + if (wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) goto out_free; - BUILD_BUG_ON(ARRAY_SIZE(filters->filter_cfg_chains) != ACPI_WPFC_WIFI_DATA_SIZE); + *value = wifi_pkg->package.elements[1].integer.value & + IWL_ACPI_WBEM_REV0_MASK; + IWL_DEBUG_RADIO(fwrt, "Loaded WBEM config from ACPI\n"); + ret = 0; +out_free: + kfree(data); + return ret; +} - 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); +int iwl_acpi_get_dsbr(struct iwl_fw_runtime *fwrt, u32 *value) +{ + union acpi_object *wifi_pkg, *data; + int ret = -ENOENT; + int tbl_rev; + + data = iwl_acpi_get_object(fwrt->dev, ACPI_DSBR_METHOD); + if (IS_ERR(data)) + return ret; + + wifi_pkg = iwl_acpi_get_wifi_pkg(fwrt->dev, data, + ACPI_DSBR_WIFI_DATA_SIZE, + &tbl_rev); + if (IS_ERR(wifi_pkg)) + goto out_free; + + if (tbl_rev != ACPI_DSBR_WIFI_DATA_REV) { + IWL_DEBUG_RADIO(fwrt, "Unsupported ACPI DSBR revision:%d\n", + tbl_rev); + goto out_free; } - IWL_DEBUG_RADIO(fwrt, "Loaded WPFC filter config from ACPI\n"); - *filters = tmp; + if (wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) + goto out_free; + + *value = wifi_pkg->package.elements[1].integer.value; + IWL_DEBUG_RADIO(fwrt, "Loaded DSBR config from ACPI value: 0x%x\n", + *value); + ret = 0; out_free: kfree(data); + return ret; } -IWL_EXPORT_SYMBOL(iwl_acpi_get_phy_filters); |