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iwlwifi: refactor the SAR tables from mvm to acpi

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Refactored the SAR related functions from iwlmvm to acpi
in order to make it shared between different opmodes
in addition to removing unused variable ppag_rev.

Signed-off-by: Ihab Zhaika <ihab.zhaika@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Ihab Zhaika 2019-11-15 09:28:11 +02:00 committed by Kalle Valo
parent 5167ff45a5
commit 39c1a9728f
6 changed files with 436 additions and 341 deletions
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287
drivers/net/wireless/intel/iwlwifi/fw/acpi.c
View File

@ -61,6 +61,7 @@
#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)
{
@ -245,3 +246,289 @@ int iwl_acpi_get_eckv(struct device *dev, u32 *extl_clk)
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 fail all */
return -ENOENT;
}
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;
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;
}
for (i = 0; i < n_profiles; i++) {
/* the tables start at element 3 */
int pos = 3;
/* 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);
void 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;
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;
}
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]);
}
}
}
IWL_EXPORT_SYMBOL(iwl_sar_geo_init);

84
drivers/net/wireless/intel/iwlwifi/fw/acpi.h
View File

@ -61,6 +61,12 @@
#define __iwl_fw_acpi__
#include <linux/acpi.h>
#include "fw/api/commands.h"
#include "fw/api/power.h"
#include "fw/api/phy.h"
#include "fw/img.h"
#include "iwl-trans.h"
#define ACPI_WRDS_METHOD "WRDS"
#define ACPI_EWRD_METHOD "EWRD"
@ -104,9 +110,21 @@
#define ACPI_PPAG_MIN_HB -16
#define ACPI_PPAG_MAX_HB 40
struct iwl_sar_profile {
bool enabled;
u8 table[ACPI_SAR_TABLE_SIZE];
};
struct iwl_geo_profile {
u8 values[ACPI_GEO_TABLE_SIZE];
};
#ifdef CONFIG_ACPI
struct iwl_fw_runtime;
void *iwl_acpi_get_object(struct device *dev, acpi_string method);
union acpi_object *iwl_acpi_get_wifi_pkg(struct device *dev,
union acpi_object *data,
int data_size, int *tbl_rev);
@ -134,6 +152,27 @@ u64 iwl_acpi_get_pwr_limit(struct device *dev);
*/
int iwl_acpi_get_eckv(struct device *dev, u32 *extl_clk);
int iwl_sar_set_profile(union acpi_object *table,
struct iwl_sar_profile *profile,
bool enabled);
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 iwl_sar_get_wrds_table(struct iwl_fw_runtime *fwrt);
int iwl_sar_get_ewrd_table(struct iwl_fw_runtime *fwrt);
int iwl_sar_get_wgds_table(struct iwl_fw_runtime *fwrt);
bool iwl_sar_geo_support(struct iwl_fw_runtime *fwrt);
int iwl_validate_sar_geo_profile(struct iwl_fw_runtime *fwrt,
struct iwl_host_cmd *cmd);
void iwl_sar_geo_init(struct iwl_fw_runtime *fwrt,
struct iwl_per_chain_offset_group *table);
#else /* CONFIG_ACPI */
static inline void *iwl_acpi_get_object(struct device *dev, acpi_string method)
@ -164,5 +203,50 @@ static inline int iwl_acpi_get_eckv(struct device *dev, u32 *extl_clk)
return -ENOENT;
}
static inline int iwl_sar_set_profile(union acpi_object *table,
struct iwl_sar_profile *profile,
bool enabled)
{
return -ENOENT;
}
static inline int iwl_sar_select_profile(struct iwl_fw_runtime *fwrt,
__le16 per_chain_restriction[][IWL_NUM_SUB_BANDS],
int prof_a, int prof_b)
{
return -ENOENT;
}
static inline int iwl_sar_get_wrds_table(struct iwl_fw_runtime *fwrt)
{
return -ENOENT;
}
static inline int iwl_sar_get_ewrd_table(struct iwl_fw_runtime *fwrt)
{
return -ENOENT;
}
static inline int iwl_sar_get_wgds_table(struct iwl_fw_runtime *fwrt)
{
return -ENOENT;
}
static inline bool iwl_sar_geo_support(struct iwl_fw_runtime *fwrt)
{
return false;
}
static inline int iwl_validate_sar_geo_profile(struct iwl_fw_runtime *fwrt,
struct iwl_host_cmd *cmd)
{
return -ENOENT;
}
static inline void iwl_sar_geo_init(struct iwl_fw_runtime *fwrt,
struct iwl_per_chain_offset_group *table)
{
}
#endif /* CONFIG_ACPI */
#endif /* __iwl_fw_acpi__ */

11
drivers/net/wireless/intel/iwlwifi/fw/runtime.h
View File

@ -65,7 +65,9 @@
#include "img.h"
#include "fw/api/debug.h"
#include "fw/api/paging.h"
#include "fw/api/power.h"
#include "iwl-eeprom-parse.h"
#include "fw/acpi.h"
#define IWL_FW_DBG_DOMAIN IWL_FW_INI_DOMAIN_ALWAYS_ON
@ -203,7 +205,16 @@ struct iwl_fw_runtime {
u32 delay;
u64 seq;
} timestamp;
bool tpc_enabled;
#endif /* CONFIG_IWLWIFI_DEBUGFS */
#ifdef CONFIG_ACPI
struct iwl_sar_profile sar_profiles[ACPI_SAR_PROFILE_NUM];
u8 sar_chain_a_profile;
u8 sar_chain_b_profile;
struct iwl_geo_profile geo_profiles[ACPI_NUM_GEO_PROFILES];
u32 geo_rev;
struct iwl_ppag_table_cmd ppag_table;
#endif
};
void iwl_fw_runtime_init(struct iwl_fw_runtime *fwrt, struct iwl_trans *trans,

2
drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
View File

@ -377,7 +377,7 @@ static ssize_t iwl_dbgfs_sar_geo_profile_read(struct file *file,
pos = scnprintf(buf, bufsz,
"SAR geographic profile disabled\n");
} else {
value = &mvm->geo_profiles[tbl_idx - 1].values[0];
value = &mvm->fwrt.geo_profiles[tbl_idx - 1].values[0];
pos += scnprintf(buf + pos, bufsz - pos,
"Use geographic profile %d\n", tbl_idx);

372
drivers/net/wireless/intel/iwlwifi/mvm/fw.c
View File

@ -678,181 +678,14 @@ static int iwl_mvm_config_ltr(struct iwl_mvm *mvm)
}
#ifdef CONFIG_ACPI
static inline int iwl_mvm_sar_set_profile(struct iwl_mvm *mvm,
union acpi_object *table,
struct iwl_mvm_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;
}
static int iwl_mvm_sar_get_wrds_table(struct iwl_mvm *mvm)
{
union acpi_object *wifi_pkg, *table, *data;
bool enabled;
int ret, tbl_rev;
data = iwl_acpi_get_object(mvm->dev, ACPI_WRDS_METHOD);
if (IS_ERR(data))
return PTR_ERR(data);
wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data,
ACPI_WRDS_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;
}
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_mvm_sar_set_profile(mvm, table, &mvm->sar_profiles[0],
enabled);
out_free:
kfree(data);
return ret;
}
static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm)
{
union acpi_object *wifi_pkg, *data;
bool enabled;
int i, n_profiles, ret, tbl_rev;
data = iwl_acpi_get_object(mvm->dev, ACPI_EWRD_METHOD);
if (IS_ERR(data))
return PTR_ERR(data);
wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data,
ACPI_EWRD_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) ||
(wifi_pkg->package.elements[2].type != ACPI_TYPE_INTEGER) ||
tbl_rev != 0) {
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;
}
for (i = 0; i < n_profiles; i++) {
/* the tables start at element 3 */
int pos = 3;
/* 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_mvm_sar_set_profile(mvm,
&wifi_pkg->package.elements[pos],
&mvm->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;
}
static int iwl_mvm_sar_get_wgds_table(struct iwl_mvm *mvm)
{
union acpi_object *wifi_pkg, *data;
int i, j, ret, tbl_rev;
int idx = 1;
data = iwl_acpi_get_object(mvm->dev, ACPI_WGDS_METHOD);
if (IS_ERR(data))
return PTR_ERR(data);
wifi_pkg = iwl_acpi_get_wifi_pkg(mvm->dev, data,
ACPI_WGDS_WIFI_DATA_SIZE, &tbl_rev);
if (IS_ERR(wifi_pkg)) {
ret = PTR_ERR(wifi_pkg);
goto out_free;
}
if (tbl_rev != 0) {
ret = -EINVAL;
goto out_free;
}
mvm->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;
}
mvm->geo_profiles[i].values[j] = entry->integer.value;
}
}
ret = 0;
out_free:
kfree(data);
return ret;
}
int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b)
{
union {
struct iwl_dev_tx_power_cmd v5;
struct iwl_dev_tx_power_cmd_v4 v4;
} cmd;
int i, j, idx;
int profs[ACPI_SAR_NUM_CHAIN_LIMITS] = { prof_a, prof_b };
int len;
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);
u16 len = 0;
cmd.v5.v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_CHAINS);
@ -861,174 +694,76 @@ int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b)
len = sizeof(cmd.v5);
else if (fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_TX_POWER_ACK))
len = sizeof(cmd.v4);
len = sizeof(struct iwl_dev_tx_power_cmd_v4);
else
len = sizeof(cmd.v4.v3);
for (i = 0; i < ACPI_SAR_NUM_CHAIN_LIMITS; i++) {
struct iwl_mvm_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 = &mvm->sar_profiles[profs[i] - 1];
/* if the profile is disabled, do nothing */
if (!prof->enabled) {
IWL_DEBUG_RADIO(mvm, "SAR profile %d is disabled.\n",
profs[i]);
/* if one of the profiles is disabled, we fail all */
return -ENOENT;
}
IWL_DEBUG_INFO(mvm,
"SAR EWRD: chain %d profile index %d\n",
i, profs[i]);
IWL_DEBUG_RADIO(mvm, " Chain[%d]:\n", i);
for (j = 0; j < ACPI_SAR_NUM_SUB_BANDS; j++) {
idx = (i * ACPI_SAR_NUM_SUB_BANDS) + j;
cmd.v5.v3.per_chain_restriction[i][j] =
cpu_to_le16(prof->table[idx]);
IWL_DEBUG_RADIO(mvm, " Band[%d] = %d * .125dBm\n",
j, prof->table[idx]);
}
}
if (iwl_sar_select_profile(&mvm->fwrt, cmd.v5.v3.per_chain_restriction,
prof_a, prof_b))
return -ENOENT;
IWL_DEBUG_RADIO(mvm, "Sending REDUCE_TX_POWER_CMD per chain\n");
return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd);
}
static bool iwl_mvm_sar_geo_support(struct iwl_mvm *mvm)
{
/*
* 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(mvm->fw->ucode_ver) >= 38 ||
IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 17 ||
(IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 29 &&
((mvm->trans->hw_rev & CSR_HW_REV_TYPE_MSK) ==
CSR_HW_REV_TYPE_7265D));
}
int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
{
struct iwl_geo_tx_power_profiles_resp *resp;
int ret;
union geo_tx_power_profiles_cmd geo_tx_cmd;
u16 len;
void *data;
struct iwl_geo_tx_power_profiles_cmd geo_cmd;
struct iwl_geo_tx_power_profiles_cmd_v1 geo_cmd_v1;
int ret;
struct iwl_host_cmd cmd;
if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_SAR_TABLE_VER)) {
geo_cmd.ops =
if (fw_has_api(&mvm->fwrt.fw->ucode_capa,
IWL_UCODE_TLV_API_SAR_TABLE_VER)) {
geo_tx_cmd.geo_cmd.ops =
cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE);
len = sizeof(geo_cmd);
data = &geo_cmd;
len = sizeof(geo_tx_cmd.geo_cmd);
} else {
geo_cmd_v1.ops =
geo_tx_cmd.geo_cmd_v1.ops =
cpu_to_le32(IWL_PER_CHAIN_OFFSET_GET_CURRENT_TABLE);
len = sizeof(geo_cmd_v1);
data = &geo_cmd_v1;
len = sizeof(geo_tx_cmd.geo_cmd_v1);
}
if (!iwl_sar_geo_support(&mvm->fwrt))
return -EOPNOTSUPP;
cmd = (struct iwl_host_cmd){
.id = WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT),
.len = { len, },
.flags = CMD_WANT_SKB,
.data = { data },
.data = { &geo_tx_cmd },
};
if (!iwl_mvm_sar_geo_support(mvm))
return -EOPNOTSUPP;
ret = iwl_mvm_send_cmd(mvm, &cmd);
if (ret) {
IWL_ERR(mvm, "Failed to get geographic profile info %d\n", ret);
return 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(mvm, "Invalid geographic profile idx (%d)\n", ret);
}
ret = iwl_validate_sar_geo_profile(&mvm->fwrt, &cmd);
iwl_free_resp(&cmd);
return ret;
}
static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
{
struct iwl_geo_tx_power_profiles_cmd cmd = {
.ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_SET_TABLES),
};
int ret, i, j;
u16 cmd_wide_id = WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT);
union geo_tx_power_profiles_cmd cmd;
u16 len;
if (!iwl_mvm_sar_geo_support(mvm))
return 0;
cmd.geo_cmd.ops = cpu_to_le32(IWL_PER_CHAIN_OFFSET_SET_TABLES);
ret = iwl_mvm_sar_get_wgds_table(mvm);
if (ret < 0) {
IWL_DEBUG_RADIO(mvm,
"Geo SAR BIOS table invalid or unavailable. (%d)\n",
ret);
/* we don't fail if the table is not available */
return 0;
iwl_sar_geo_init(&mvm->fwrt, cmd.geo_cmd.table);
cmd.geo_cmd.table_revision = cpu_to_le32(mvm->fwrt.geo_rev);
if (!fw_has_api(&mvm->fwrt.fw->ucode_capa,
IWL_UCODE_TLV_API_SAR_TABLE_VER)) {
len = sizeof(struct iwl_geo_tx_power_profiles_cmd_v1);
} else {
len = sizeof(cmd.geo_cmd);
}
IWL_DEBUG_RADIO(mvm, "Sending GEO_TX_POWER_LIMIT\n");
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 *)&cmd.table[i];
for (j = 0; j < ACPI_WGDS_NUM_BANDS; j++) {
u8 *value;
value = &mvm->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(mvm,
"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]);
}
}
cmd.table_revision = cpu_to_le32(mvm->geo_rev);
if (!fw_has_api(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_API_SAR_TABLE_VER)) {
return iwl_mvm_send_cmd_pdu(mvm, cmd_wide_id, 0,
sizeof(struct iwl_geo_tx_power_profiles_cmd_v1),
&cmd);
}
return iwl_mvm_send_cmd_pdu(mvm, cmd_wide_id, 0, sizeof(cmd), &cmd);
return iwl_mvm_send_cmd_pdu(mvm, cmd_wide_id, 0, len, &cmd);
}
static int iwl_mvm_get_ppag_table(struct iwl_mvm *mvm)
@ -1037,7 +772,7 @@ static int iwl_mvm_get_ppag_table(struct iwl_mvm *mvm)
int i, j, ret, tbl_rev;
int idx = 2;
mvm->ppag_table.enabled = cpu_to_le32(0);
mvm->fwrt.ppag_table.enabled = cpu_to_le32(0);
data = iwl_acpi_get_object(mvm->dev, ACPI_PPAG_METHOD);
if (IS_ERR(data))
return PTR_ERR(data);
@ -1062,8 +797,8 @@ static int iwl_mvm_get_ppag_table(struct iwl_mvm *mvm)
goto out_free;
}
mvm->ppag_table.enabled = cpu_to_le32(enabled->integer.value);
if (!mvm->ppag_table.enabled) {
mvm->fwrt.ppag_table.enabled = cpu_to_le32(enabled->integer.value);
if (!mvm->fwrt.ppag_table.enabled) {
ret = 0;
goto out_free;
}
@ -1083,11 +818,11 @@ static int iwl_mvm_get_ppag_table(struct iwl_mvm *mvm)
(j == 0 && ent->integer.value < ACPI_PPAG_MIN_LB) ||
(j != 0 && ent->integer.value > ACPI_PPAG_MAX_HB) ||
(j != 0 && ent->integer.value < ACPI_PPAG_MIN_HB)) {
mvm->ppag_table.enabled = cpu_to_le32(0);
mvm->fwrt.ppag_table.enabled = cpu_to_le32(0);
ret = -EINVAL;
goto out_free;
}
mvm->ppag_table.gain[i][j] = ent->integer.value;
mvm->fwrt.ppag_table.gain[i][j] = ent->integer.value;
}
}
ret = 0;
@ -1108,20 +843,20 @@ int iwl_mvm_ppag_send_cmd(struct iwl_mvm *mvm)
IWL_DEBUG_RADIO(mvm, "Sending PER_PLATFORM_ANT_GAIN_CMD\n");
IWL_DEBUG_RADIO(mvm, "PPAG is %s\n",
mvm->ppag_table.enabled ? "enabled" : "disabled");
mvm->fwrt.ppag_table.enabled ? "enabled" : "disabled");
for (i = 0; i < ACPI_PPAG_NUM_CHAINS; i++) {
for (j = 0; j < ACPI_PPAG_NUM_SUB_BANDS; j++) {
IWL_DEBUG_RADIO(mvm,
"PPAG table: chain[%d] band[%d]: gain = %d\n",
i, j, mvm->ppag_table.gain[i][j]);
i, j, mvm->fwrt.ppag_table.gain[i][j]);
}
}
ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(PHY_OPS_GROUP,
PER_PLATFORM_ANT_GAIN_CMD),
0, sizeof(mvm->ppag_table),
&mvm->ppag_table);
0, sizeof(mvm->fwrt.ppag_table),
&mvm->fwrt.ppag_table);
if (ret < 0)
IWL_ERR(mvm, "failed to send PER_PLATFORM_ANT_GAIN_CMD (%d)\n",
ret);
@ -1144,17 +879,14 @@ static int iwl_mvm_ppag_init(struct iwl_mvm *mvm)
}
#else /* CONFIG_ACPI */
static int iwl_mvm_sar_get_wrds_table(struct iwl_mvm *mvm)
inline int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm,
int prof_a, int prof_b)
{
return -ENOENT;
}
static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm)
{
return -ENOENT;
}
static int iwl_mvm_sar_get_wgds_table(struct iwl_mvm *mvm)
inline int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
{
return -ENOENT;
}
@ -1164,13 +896,7 @@ static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
return 0;
}
int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a,
int prof_b)
{
return -ENOENT;
}
int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
static int iwl_mvm_get_ppag_table(struct iwl_mvm *mvm)
{
return -ENOENT;
}
@ -1241,7 +967,7 @@ static int iwl_mvm_sar_init(struct iwl_mvm *mvm)
{
int ret;
ret = iwl_mvm_sar_get_wrds_table(mvm);
ret = iwl_sar_get_wrds_table(&mvm->fwrt);
if (ret < 0) {
IWL_DEBUG_RADIO(mvm,
"WRDS SAR BIOS table invalid or unavailable. (%d)\n",
@ -1253,16 +979,14 @@ static int iwl_mvm_sar_init(struct iwl_mvm *mvm)
return 1;
}
ret = iwl_mvm_sar_get_ewrd_table(mvm);
ret = iwl_sar_get_ewrd_table(&mvm->fwrt);
/* if EWRD is not available, we can still use WRDS, so don't fail */
if (ret < 0)
IWL_DEBUG_RADIO(mvm,
"EWRD SAR BIOS table invalid or unavailable. (%d)\n",
ret);
/* choose profile 1 (WRDS) as default for both chains */
ret = iwl_mvm_sar_select_profile(mvm, 1, 1);
/*
* If we don't have profile 0 from BIOS, just skip it. This
* means that SAR Geo will not be enabled either, even if we
@ -1493,7 +1217,7 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
ret = iwl_mvm_sar_init(mvm);
if (ret == 0) {
ret = iwl_mvm_sar_geo_init(mvm);
} else if (ret > 0 && !iwl_mvm_sar_get_wgds_table(mvm)) {
} else if (ret > 0 && !iwl_sar_get_wgds_table(&mvm->fwrt)) {
/*
* If basic SAR is not available, we check for WGDS,
* which should *not* be available either. If it is

21
drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
View File

@ -188,6 +188,11 @@ enum iwl_power_scheme {
IWL_POWER_SCHEME_LP
};
union geo_tx_power_profiles_cmd {
struct iwl_geo_tx_power_profiles_cmd geo_cmd;
struct iwl_geo_tx_power_profiles_cmd_v1 geo_cmd_v1;
};
#define IWL_CONN_MAX_LISTEN_INTERVAL 10
#define IWL_UAPSD_MAX_SP IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL
@ -774,14 +779,6 @@ enum iwl_mvm_queue_status {
#define IWL_MVM_NUM_CIPHERS 10
struct iwl_mvm_sar_profile {
bool enabled;
u8 table[ACPI_SAR_TABLE_SIZE];
};
struct iwl_mvm_geo_profile {
u8 values[ACPI_GEO_TABLE_SIZE];
};
struct iwl_mvm_txq {
struct list_head list;
@ -1144,14 +1141,6 @@ struct iwl_mvm {
/* sniffer data to include in radiotap */
__le16 cur_aid;
u8 cur_bssid[ETH_ALEN];
#ifdef CONFIG_ACPI
struct iwl_mvm_sar_profile sar_profiles[ACPI_SAR_PROFILE_NUM];
struct iwl_mvm_geo_profile geo_profiles[ACPI_NUM_GEO_PROFILES];
u32 geo_rev;
struct iwl_ppag_table_cmd ppag_table;
u32 ppag_rev;
#endif
};
/* Extract MVM priv from op_mode and _hw */