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iwlwifi: mvm: BT Coex - allow to force the antenna allocation

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This can be used for testing.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Emmanuel Grumbach 2014-05-28 12:06:41 +03:00
parent 5daddc9902
commit a39979a8c3
4 changed files with 94 additions and 0 deletions
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39
drivers/net/wireless/iwlwifi/mvm/coex.c
View File

@ -106,6 +106,9 @@ static const u8 iwl_bt_prio_tbl[BT_COEX_PRIO_TBL_EVT_MAX] = {
static int iwl_send_bt_prio_tbl(struct iwl_mvm *mvm)
{
if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
return 0;
return iwl_mvm_send_cmd_pdu(mvm, BT_COEX_PRIO_TABLE, 0,
sizeof(struct iwl_bt_coex_prio_tbl_cmd),
&iwl_bt_prio_tbl);
@ -578,6 +581,29 @@ int iwl_send_bt_init_conf(struct iwl_mvm *mvm)
return -ENOMEM;
cmd.data[0] = bt_cmd;
lockdep_assert_held(&mvm->mutex);
if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS)) {
switch (mvm->bt_force_ant_mode) {
case BT_FORCE_ANT_AUTO:
flags = BT_COEX_AUTO;
break;
case BT_FORCE_ANT_BT:
flags = BT_COEX_BT;
break;
case BT_FORCE_ANT_WIFI:
flags = BT_COEX_WIFI;
break;
default:
WARN_ON(1);
flags = 0;
}
bt_cmd->flags = cpu_to_le32(flags);
bt_cmd->valid_bit_msk = cpu_to_le32(BT_VALID_ENABLE);
goto send_cmd;
}
bt_cmd->max_kill = 5;
bt_cmd->bt4_antenna_isolation_thr = BT_ANTENNA_COUPLING_THRESHOLD;
bt_cmd->bt4_antenna_isolation = iwlwifi_mod_params.ant_coupling;
@ -642,6 +668,7 @@ int iwl_send_bt_init_conf(struct iwl_mvm *mvm)
bt_cmd->kill_cts_msk =
cpu_to_le32(iwl_bt_cts_kill_msk[BT_KILL_MSK_DEFAULT]);
send_cmd:
memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif));
memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd));
@ -955,6 +982,10 @@ static void iwl_mvm_bt_coex_notif_handle(struct iwl_mvm *mvm)
struct iwl_bt_coex_ci_cmd cmd = {};
u8 ci_bw_idx;
/* Ignore updates if we are in force mode */
if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
return;
rcu_read_lock();
ieee80211_iterate_active_interfaces_atomic(
mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
@ -1121,6 +1152,10 @@ void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
lockdep_assert_held(&mvm->mutex);
/* Ignore updates if we are in force mode */
if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
return;
/*
* Rssi update while not associated - can happen since the statistics
* are handled asynchronously
@ -1274,6 +1309,10 @@ int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
lockdep_assert_held(&mvm->mutex);
/* Ignore updates if we are in force mode */
if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
return 0;
if (ant_isolation == mvm->last_ant_isol)
return 0;

39
drivers/net/wireless/iwlwifi/mvm/debugfs.c
View File

@ -455,6 +455,43 @@ iwl_dbgfs_bt_tx_prio_write(struct iwl_mvm *mvm, char *buf,
return count;
}
static ssize_t
iwl_dbgfs_bt_force_ant_write(struct iwl_mvm *mvm, char *buf,
size_t count, loff_t *ppos)
{
static const char * const modes_str[BT_FORCE_ANT_MAX] = {
[BT_FORCE_ANT_DIS] = "dis",
[BT_FORCE_ANT_AUTO] = "auto",
[BT_FORCE_ANT_BT] = "bt",
[BT_FORCE_ANT_WIFI] = "wifi",
};
int ret, bt_force_ant_mode;
for (bt_force_ant_mode = 0;
bt_force_ant_mode < ARRAY_SIZE(modes_str);
bt_force_ant_mode++) {
if (!strcmp(buf, modes_str[bt_force_ant_mode]))
break;
}
if (bt_force_ant_mode >= ARRAY_SIZE(modes_str))
return -EINVAL;
ret = 0;
mutex_lock(&mvm->mutex);
if (mvm->bt_force_ant_mode == bt_force_ant_mode)
goto out;
mvm->bt_force_ant_mode = bt_force_ant_mode;
IWL_DEBUG_COEX(mvm, "Force mode: %s\n",
modes_str[mvm->bt_force_ant_mode]);
ret = iwl_send_bt_init_conf(mvm);
out:
mutex_unlock(&mvm->mutex);
return ret ?: count;
}
#define PRINT_STATS_LE32(_str, _val) \
pos += scnprintf(buf + pos, bufsz - pos, \
fmt_table, _str, \
@ -1101,6 +1138,7 @@ MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats);
MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10);
MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10);
MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10);
MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10);
MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8);
MVM_DEBUGFS_READ_WRITE_FILE_OPS(d0i3_refs, 8);
@ -1142,6 +1180,7 @@ int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, S_IWUSR);
MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, S_IWUSR);
MVM_DEBUGFS_ADD_FILE(bt_tx_prio, mvm->debugfs_dir, S_IWUSR);
MVM_DEBUGFS_ADD_FILE(bt_force_ant, mvm->debugfs_dir, S_IWUSR);
MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir,
S_IWUSR | S_IRUSR);
MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, S_IWUSR | S_IRUSR);

6
drivers/net/wireless/iwlwifi/mvm/fw-api-coex.h
View File

@ -76,6 +76,9 @@
* @BT_COEX_2W:
* @BT_COEX_3W:
* @BT_COEX_NW:
* @BT_COEX_AUTO:
* @BT_COEX_BT: Antenna is for BT (manufacuring tests)
* @BT_COEX_WIFI: Antenna is for BT (manufacuring tests)
* @BT_COEX_SYNC2SCO:
* @BT_COEX_CORUNNING:
* @BT_COEX_MPLUT:
@ -89,6 +92,9 @@ enum iwl_bt_coex_flags {
BT_COEX_2W = 0x1 << BT_COEX_MODE_POS,
BT_COEX_3W = 0x2 << BT_COEX_MODE_POS,
BT_COEX_NW = 0x3 << BT_COEX_MODE_POS,
BT_COEX_AUTO = 0x5 << BT_COEX_MODE_POS,
BT_COEX_BT = 0x6 << BT_COEX_MODE_POS,
BT_COEX_WIFI = 0x7 << BT_COEX_MODE_POS,
BT_COEX_SYNC2SCO = BIT(7),
BT_COEX_CORUNNING = BIT(8),
BT_COEX_MPLUT = BIT(9),

10
drivers/net/wireless/iwlwifi/mvm/mvm.h
View File

@ -235,6 +235,15 @@ enum iwl_mvm_ref_type {
IWL_MVM_REF_COUNT,
};
enum iwl_bt_force_ant_mode {
BT_FORCE_ANT_DIS = 0,
BT_FORCE_ANT_AUTO,
BT_FORCE_ANT_BT,
BT_FORCE_ANT_WIFI,
BT_FORCE_ANT_MAX,
};
/**
* struct iwl_mvm_vif_bf_data - beacon filtering related data
* @bf_enabled: indicates if beacon filtering is enabled
@ -629,6 +638,7 @@ struct iwl_mvm {
u32 last_ant_isol;
u8 last_corun_lut;
u8 bt_tx_prio;
enum iwl_bt_force_ant_mode bt_force_ant_mode;
/* Thermal Throttling and CTkill */
struct iwl_mvm_tt_mgmt thermal_throttle;