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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/fw/acpi.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/fw/acpi.c607
1 files changed, 123 insertions, 484 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
index e161b4453..4caf2e25a 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
@@ -4,7 +4,6 @@
* Copyright (C) 2019-2023 Intel Corporation
*/
#include <linux/uuid.h>
-#include <linux/dmi.h>
#include "iwl-drv.h"
#include "iwl-debug.h"
#include "acpi.h"
@@ -13,68 +12,21 @@
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),
};
static int iwl_acpi_get_handle(struct device *dev, acpi_string method,
@@ -200,46 +152,41 @@ out:
}
/*
- * 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;
-
- /* cast val (u64) to be u8 */
- *value = (u8)val;
- return 0;
-}
-IWL_EXPORT_SYMBOL(iwl_acpi_get_dsm_u8);
+ if (WARN_ON(func >= ARRAY_SIZE(acpi_dsm_size)))
+ return -EINVAL;
-/*
- * 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;
+ expected_size = acpi_dsm_size[func];
- 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,
@@ -307,9 +254,8 @@ 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;
@@ -331,22 +277,9 @@ int iwl_acpi_get_tas(struct iwl_fw_runtime *fwrt,
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;
- }
+ enabled = iwl_parse_tas_selection(fwrt, tas_data,
+ tas_selection);
} else if (tbl_rev == 0 &&
wifi_pkg->package.elements[1].type == ACPI_TYPE_INTEGER) {
@@ -365,22 +298,16 @@ int iwl_acpi_get_tas(struct iwl_fw_runtime *fwrt,
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 = cpu_to_le32(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;
@@ -394,7 +321,7 @@ 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] = cpu_to_le32(country);
IWL_DEBUG_RADIO(fwrt, "TAS block list country %d\n", country);
}
@@ -403,19 +330,19 @@ 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);
@@ -439,46 +366,42 @@ 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);
@@ -499,11 +422,11 @@ 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_sar_set_profile(union acpi_object *table,
+ struct iwl_sar_profile *profile,
+ bool enabled, u8 num_chains,
+ u8 num_sub_bands)
{
int i, j, idx = 0;
@@ -511,8 +434,8 @@ static int iwl_sar_set_profile(union acpi_object *table,
* 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 (i = 0; i < BIOS_SAR_MAX_CHAINS_PER_PROFILE; i++) {
+ for (j = 0; j < BIOS_SAR_MAX_SUB_BANDS_NUM; j++) {
/* if we don't have the values, use the default */
if (i >= num_chains || j >= num_sub_bands) {
profile->chains[i].subbands[j] = 0;
@@ -535,73 +458,7 @@ static int iwl_sar_set_profile(union acpi_object *table,
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;
@@ -680,16 +537,15 @@ 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_sar_set_profile(table, &fwrt->sar_profiles[0],
+ flags & IWL_SAR_ENABLE_MSK,
+ num_chains, num_sub_bands);
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;
@@ -767,7 +623,7 @@ read_table:
* from index 1, so the maximum value allowed here is
* ACPI_SAR_PROFILES_NUM - 1.
*/
- if (n_profiles >= ACPI_SAR_PROFILE_NUM) {
+ if (n_profiles >= BIOS_SAR_MAX_PROFILE_NUM) {
ret = -EINVAL;
goto out_free;
}
@@ -776,13 +632,15 @@ read_table:
pos = 3;
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_sar_set_profile(table,
+ &fwrt->sar_profiles[i + 1],
+ enabled, num_chains,
+ num_sub_bands);
if (ret < 0)
break;
@@ -794,9 +652,8 @@ 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 +668,7 @@ 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),
@@ -897,7 +754,7 @@ 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 +778,7 @@ 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 +806,26 @@ 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 3, 2 or 1 (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 <= 3) {
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 {
@@ -1128,19 +860,8 @@ 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_ver);
/*
* read, verify gain values and save them into the PPAG table.
@@ -1158,132 +879,15 @@ 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;
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)
-{
- u8 cmd_ver;
- int i, j, num_sub_bands;
- s8 *gain;
-
- /* 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;
-
- 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;
- }
-
- 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");
- 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));
-
- 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]);
- }
- }
-
- return 0;
-}
-IWL_EXPORT_SYMBOL(iwl_read_ppag_table);
-
-bool iwl_acpi_is_ppag_approved(struct iwl_fw_runtime *fwrt)
-{
-
- 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;
- }
-
- 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)
@@ -1321,3 +925,38 @@ out_free:
kfree(data);
}
IWL_EXPORT_SYMBOL(iwl_acpi_get_phy_filters);
+
+void iwl_acpi_get_guid_lock_status(struct iwl_fw_runtime *fwrt)
+{
+ union acpi_object *wifi_pkg, *data;
+ int tbl_rev;
+
+ 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;
+ }
+
+ 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_get_guid_lock_status);