Commit 9e4afc21 authored by Johannes Berg's avatar Johannes Berg Committed by John W. Linville
Browse files

iwlwifi: add BT notification support for bt coex



When advanced bt coex enabled, uCode will send bt status
notification to driver, here add support for it.
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
Signed-off-by: default avatarWey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent d44ae69e
......@@ -377,6 +377,90 @@ static int iwl6000_hw_channel_switch(struct iwl_priv *priv,
return iwl_send_cmd_sync(priv, &hcmd);
}
static void iwl6000g2b_bt_traffic_change_work(struct work_struct *work)
{
struct iwl_priv *priv =
container_of(work, struct iwl_priv, bt_traffic_change_work);
int smps_request = -1;
switch (priv->bt_traffic_load) {
case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
smps_request = IEEE80211_SMPS_AUTOMATIC;
break;
case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
smps_request = IEEE80211_SMPS_DYNAMIC;
break;
case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
smps_request = IEEE80211_SMPS_STATIC;
break;
default:
IWL_ERR(priv, "Invalid BT traffic load: %d\n",
priv->bt_traffic_load);
break;
}
mutex_lock(&priv->mutex);
if (smps_request != -1 &&
priv->vif && priv->vif->type == NL80211_IFTYPE_STATION)
ieee80211_request_smps(priv->vif, smps_request);
mutex_unlock(&priv->mutex);
}
static void iwl6000g2b_bt_coex_profile_notif(struct iwl_priv *priv,
struct iwl_rx_mem_buffer *rxb)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl_bt_coex_profile_notif *coex = &pkt->u.bt_coex_profile_notif;
struct iwl6000g2b_bt_sco_cmd sco_cmd = { .flags = 0 };
IWL_DEBUG_NOTIF(priv, "BT Coex notification:\n");
IWL_DEBUG_NOTIF(priv, " status: %d\n", coex->bt_status);
IWL_DEBUG_NOTIF(priv, " traffic load: %d\n", coex->bt_traffic_load);
IWL_DEBUG_NOTIF(priv, " CI compliance: %d\n", coex->bt_ci_compliance);
IWL_DEBUG_NOTIF(priv, " UART msg: %.2x:%.2x:%.2x:%.2x:%.2x:%.2x:"
"%.2x:%.2x\n",
coex->uart_msg[0], coex->uart_msg[1], coex->uart_msg[2],
coex->uart_msg[3], coex->uart_msg[4], coex->uart_msg[5],
coex->uart_msg[6], coex->uart_msg[7]);
if (coex->bt_traffic_load != priv->bt_traffic_load) {
priv->bt_traffic_load = coex->bt_traffic_load;
queue_work(priv->workqueue, &priv->bt_traffic_change_work);
}
/* FIXME: add defines for this check */
priv->bt_sco_active = coex->uart_msg[3] & 1;
if (priv->bt_sco_active)
sco_cmd.flags |= IWL6000G2B_BT_SCO_ACTIVE;
iwl_send_cmd_pdu_async(priv, REPLY_BT_COEX_SCO,
sizeof(sco_cmd), &sco_cmd, NULL);
}
void iwl6000g2b_rx_handler_setup(struct iwl_priv *priv)
{
iwlagn_rx_handler_setup(priv);
priv->rx_handlers[REPLY_BT_COEX_PROFILE_NOTIF] =
iwl6000g2b_bt_coex_profile_notif;
}
static void iwl6000g2b_bt_setup_deferred_work(struct iwl_priv *priv)
{
iwlagn_setup_deferred_work(priv);
INIT_WORK(&priv->bt_traffic_change_work,
iwl6000g2b_bt_traffic_change_work);
}
static void iwl6000g2b_bt_cancel_deferred_work(struct iwl_priv *priv)
{
cancel_work_sync(&priv->bt_traffic_change_work);
}
static struct iwl_lib_ops iwl6000_lib = {
.set_hw_params = iwl6000_hw_set_hw_params,
.txq_update_byte_cnt_tbl = iwlagn_txq_update_byte_cnt_tbl,
......@@ -451,6 +535,81 @@ static struct iwl_lib_ops iwl6000_lib = {
}
};
static struct iwl_lib_ops iwl6000g2b_lib = {
.set_hw_params = iwl6000_hw_set_hw_params,
.txq_update_byte_cnt_tbl = iwlagn_txq_update_byte_cnt_tbl,
.txq_inval_byte_cnt_tbl = iwlagn_txq_inval_byte_cnt_tbl,
.txq_set_sched = iwlagn_txq_set_sched,
.txq_agg_enable = iwlagn_txq_agg_enable,
.txq_agg_disable = iwlagn_txq_agg_disable,
.txq_attach_buf_to_tfd = iwl_hw_txq_attach_buf_to_tfd,
.txq_free_tfd = iwl_hw_txq_free_tfd,
.txq_init = iwl_hw_tx_queue_init,
.rx_handler_setup = iwl6000g2b_rx_handler_setup,
.setup_deferred_work = iwl6000g2b_bt_setup_deferred_work,
.cancel_deferred_work = iwl6000g2b_bt_cancel_deferred_work,
.is_valid_rtc_data_addr = iwlagn_hw_valid_rtc_data_addr,
.load_ucode = iwlagn_load_ucode,
.dump_nic_event_log = iwl_dump_nic_event_log,
.dump_nic_error_log = iwl_dump_nic_error_log,
.dump_csr = iwl_dump_csr,
.dump_fh = iwl_dump_fh,
.init_alive_start = iwlagn_init_alive_start,
.alive_notify = iwlagn_alive_notify,
.send_tx_power = iwlagn_send_tx_power,
.update_chain_flags = iwl_update_chain_flags,
.set_channel_switch = iwl6000_hw_channel_switch,
.apm_ops = {
.init = iwl_apm_init,
.stop = iwl_apm_stop,
.config = iwl6000_nic_config,
.set_pwr_src = iwl_set_pwr_src,
},
.eeprom_ops = {
.regulatory_bands = {
EEPROM_REG_BAND_1_CHANNELS,
EEPROM_REG_BAND_2_CHANNELS,
EEPROM_REG_BAND_3_CHANNELS,
EEPROM_REG_BAND_4_CHANNELS,
EEPROM_REG_BAND_5_CHANNELS,
EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
EEPROM_REG_BAND_52_HT40_CHANNELS
},
.verify_signature = iwlcore_eeprom_verify_signature,
.acquire_semaphore = iwlcore_eeprom_acquire_semaphore,
.release_semaphore = iwlcore_eeprom_release_semaphore,
.calib_version = iwlagn_eeprom_calib_version,
.query_addr = iwlagn_eeprom_query_addr,
.update_enhanced_txpower = iwlcore_eeprom_enhanced_txpower,
},
.post_associate = iwl_post_associate,
.isr = iwl_isr_ict,
.config_ap = iwl_config_ap,
.temp_ops = {
.temperature = iwlagn_temperature,
.set_ct_kill = iwl6000_set_ct_threshold,
.set_calib_version = iwl6000_set_calib_version,
},
.manage_ibss_station = iwlagn_manage_ibss_station,
.update_bcast_station = iwl_update_bcast_station,
.debugfs_ops = {
.rx_stats_read = iwl_ucode_rx_stats_read,
.tx_stats_read = iwl_ucode_tx_stats_read,
.general_stats_read = iwl_ucode_general_stats_read,
.bt_stats_read = iwl_ucode_bt_stats_read,
},
.recover_from_tx_stall = iwl_bg_monitor_recover,
.check_plcp_health = iwl_good_plcp_health,
.check_ack_health = iwl_good_ack_health,
.txfifo_flush = iwlagn_txfifo_flush,
.dev_txfifo_flush = iwlagn_dev_txfifo_flush,
.tt_ops = {
.lower_power_detection = iwl_tt_is_low_power_state,
.tt_power_mode = iwl_tt_current_power_mode,
.ct_kill_check = iwl_check_for_ct_kill,
}
};
static const struct iwl_ops iwl6000_ops = {
.lib = &iwl6000_lib,
.hcmd = &iwlagn_hcmd,
......@@ -467,7 +626,7 @@ static struct iwl_hcmd_ops iwl6000g2b_hcmd = {
};
static const struct iwl_ops iwl6000g2b_ops = {
.lib = &iwl6000_lib,
.lib = &iwl6000g2b_lib,
.hcmd = &iwl6000g2b_hcmd,
.utils = &iwlagn_hcmd_utils,
.led = &iwlagn_led_ops,
......
......@@ -178,6 +178,7 @@ enum {
REPLY_BT_COEX_PRIO_TABLE = 0xcc,
REPLY_BT_COEX_PROT_ENV = 0xcd,
REPLY_BT_COEX_PROFILE_NOTIF = 0xce,
REPLY_BT_COEX_SCO = 0xcf,
REPLY_MAX = 0xff
};
......@@ -2456,6 +2457,12 @@ struct iwl6000g2b_bt_cmd {
u8 reserved[3];
};
#define IWL6000G2B_BT_SCO_ACTIVE cpu_to_le32(BIT(0))
struct iwl6000g2b_bt_sco_cmd {
__le32 flags;
};
/******************************************************************************
* (6)
* Spectrum Management (802.11h) Commands, Responses, Notifications:
......
......@@ -1362,6 +1362,10 @@ struct iwl_priv {
#endif
};
u8 bt_traffic_load;
bool bt_sco_active;
struct work_struct bt_traffic_change_work;
struct iwl_hw_params hw_params;
u32 inta_mask;
......
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