From: Johannes Berg <johannes.berg@xxxxxxxxx>
When advanced bt coex enabled, uCode will send bt status
notification to driver, here add support for it.
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/iwl-6000.c | 161 ++++++++++++++++++++++++++-
drivers/net/wireless/iwlwifi/iwl-commands.h | 7 +
drivers/net/wireless/iwlwifi/iwl-dev.h | 4 +
3 files changed, 171 insertions(+), 1 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index fc2eeb0..f049ebc 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -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,
diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index 69fc774..67eaeb6 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -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:
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 1ad3303..5d327b4 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -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;
--
1.7.0.4
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