summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/net/wireless/ti/wl18xx/event.c4
-rw-r--r--drivers/net/wireless/ti/wl18xx/main.c4
-rw-r--r--drivers/net/wireless/ti/wlcore/cmd.c125
-rw-r--r--drivers/net/wireless/ti/wlcore/cmd.h10
-rw-r--r--drivers/net/wireless/ti/wlcore/event.h1
-rw-r--r--drivers/net/wireless/ti/wlcore/init.c4
-rw-r--r--drivers/net/wireless/ti/wlcore/main.c34
-rw-r--r--drivers/net/wireless/ti/wlcore/rx.c4
-rw-r--r--drivers/net/wireless/ti/wlcore/scan.c2
-rw-r--r--drivers/net/wireless/ti/wlcore/wlcore.h10
10 files changed, 197 insertions, 1 deletions
diff --git a/drivers/net/wireless/ti/wl18xx/event.c b/drivers/net/wireless/ti/wl18xx/event.c
index bf4233c9902..02ef5aa9da6 100644
--- a/drivers/net/wireless/ti/wl18xx/event.c
+++ b/drivers/net/wireless/ti/wl18xx/event.c
@@ -34,6 +34,10 @@ int wl18xx_wait_for_event(struct wl1271 *wl, enum wlcore_wait_event event,
local_event = PEER_REMOVE_COMPLETE_EVENT_ID;
break;
+ case WLCORE_EVENT_DFS_CONFIG_COMPLETE:
+ local_event = DFS_CHANNELS_CONFIG_COMPLETE_EVENT;
+ break;
+
default:
/* event not implemented */
return 0;
diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c
index 0895ffaad5a..f1eaf9aebb1 100644
--- a/drivers/net/wireless/ti/wl18xx/main.c
+++ b/drivers/net/wireless/ti/wl18xx/main.c
@@ -616,6 +616,7 @@ static int wl18xx_identify_chip(struct wl1271 *wl)
WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN |
WLCORE_QUIRK_NO_SCHED_SCAN_WHILE_CONN |
WLCORE_QUIRK_TX_PAD_LAST_FRAME |
+ WLCORE_QUIRK_REGDOMAIN_CONF |
WLCORE_QUIRK_DUAL_PROBE_TMPL;
wlcore_set_min_fw_ver(wl, WL18XX_CHIP_VER, WL18XX_IFTYPE_VER,
@@ -862,7 +863,8 @@ static int wl18xx_boot(struct wl1271 *wl)
REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID |
INACTIVE_STA_EVENT_ID |
MAX_TX_FAILURE_EVENT_ID |
- CHANNEL_SWITCH_COMPLETE_EVENT_ID;
+ CHANNEL_SWITCH_COMPLETE_EVENT_ID |
+ DFS_CHANNELS_CONFIG_COMPLETE_EVENT;
ret = wlcore_boot_run_firmware(wl);
if (ret < 0)
diff --git a/drivers/net/wireless/ti/wlcore/cmd.c b/drivers/net/wireless/ti/wlcore/cmd.c
index 1735a534a89..599c006f4c4 100644
--- a/drivers/net/wireless/ti/wlcore/cmd.c
+++ b/drivers/net/wireless/ti/wlcore/cmd.c
@@ -1503,6 +1503,131 @@ out:
return ret;
}
+static int wlcore_get_reg_conf_ch_idx(enum ieee80211_band band, u16 ch)
+{
+ int idx = -1;
+
+ switch (band) {
+ case IEEE80211_BAND_5GHZ:
+ if (ch >= 8 && ch <= 16)
+ idx = ((ch-8)/4 + 18);
+ else if (ch >= 34 && ch <= 64)
+ idx = ((ch-34)/2 + 3 + 18);
+ else if (ch >= 100 && ch <= 140)
+ idx = ((ch-100)/4 + 15 + 18);
+ else if (ch >= 149 && ch <= 165)
+ idx = ((ch-149)/4 + 26 + 18);
+ else
+ idx = -1;
+ break;
+ case IEEE80211_BAND_2GHZ:
+ if (ch >= 1 && ch <= 14)
+ idx = ch - 1;
+ else
+ idx = -1;
+ break;
+ default:
+ wl1271_error("get reg conf ch idx - unknown band: %d",
+ (int)band);
+ }
+
+ return idx;
+}
+
+void wlcore_set_pending_regdomain_ch(struct wl1271 *wl, u16 channel,
+ enum ieee80211_band band)
+{
+ int ch_bit_idx = 0;
+
+ if (!(wl->quirks & WLCORE_QUIRK_REGDOMAIN_CONF))
+ return;
+
+ ch_bit_idx = wlcore_get_reg_conf_ch_idx(band, channel);
+
+ if (ch_bit_idx > 0 && ch_bit_idx <= WL1271_MAX_CHANNELS)
+ set_bit(ch_bit_idx, (long *)wl->reg_ch_conf_pending);
+}
+
+int wlcore_cmd_regdomain_config_locked(struct wl1271 *wl)
+{
+ struct wl12xx_cmd_regdomain_dfs_config *cmd = NULL;
+ int ret = 0, i, b, ch_bit_idx;
+ struct ieee80211_channel *channel;
+ u32 tmp_ch_bitmap[2];
+ u16 ch;
+ struct wiphy *wiphy = wl->hw->wiphy;
+ struct ieee80211_supported_band *band;
+ bool timeout = false;
+
+ if (!(wl->quirks & WLCORE_QUIRK_REGDOMAIN_CONF))
+ return 0;
+
+ wl1271_debug(DEBUG_CMD, "cmd reg domain config");
+
+ memset(tmp_ch_bitmap, 0, sizeof(tmp_ch_bitmap));
+
+ for (b = IEEE80211_BAND_2GHZ; b <= IEEE80211_BAND_5GHZ; b++) {
+ band = wiphy->bands[b];
+ for (i = 0; i < band->n_channels; i++) {
+ channel = &band->channels[i];
+ ch = channel->hw_value;
+
+ if (channel->flags & (IEEE80211_CHAN_DISABLED |
+ IEEE80211_CHAN_RADAR |
+ IEEE80211_CHAN_PASSIVE_SCAN))
+ continue;
+
+ ch_bit_idx = wlcore_get_reg_conf_ch_idx(b, ch);
+ if (ch_bit_idx < 0)
+ continue;
+
+ set_bit(ch_bit_idx, (long *)tmp_ch_bitmap);
+ }
+ }
+
+ tmp_ch_bitmap[0] |= wl->reg_ch_conf_pending[0];
+ tmp_ch_bitmap[1] |= wl->reg_ch_conf_pending[1];
+
+ if (!memcmp(tmp_ch_bitmap, wl->reg_ch_conf_last, sizeof(tmp_ch_bitmap)))
+ goto out;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (!cmd) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ cmd->ch_bit_map1 = cpu_to_le32(tmp_ch_bitmap[0]);
+ cmd->ch_bit_map2 = cpu_to_le32(tmp_ch_bitmap[1]);
+
+ wl1271_debug(DEBUG_CMD,
+ "cmd reg domain bitmap1: 0x%08x, bitmap2: 0x%08x",
+ cmd->ch_bit_map1, cmd->ch_bit_map2);
+
+ ret = wl1271_cmd_send(wl, CMD_DFS_CHANNEL_CONFIG, cmd, sizeof(*cmd), 0);
+ if (ret < 0) {
+ wl1271_error("failed to send reg domain dfs config");
+ goto out;
+ }
+
+ ret = wl->ops->wait_for_event(wl,
+ WLCORE_EVENT_DFS_CONFIG_COMPLETE,
+ &timeout);
+ if (ret < 0 || timeout) {
+ wl1271_error("reg domain conf %serror",
+ timeout ? "completion " : "");
+ ret = timeout ? -ETIMEDOUT : ret;
+ goto out;
+ }
+
+ memcpy(wl->reg_ch_conf_last, tmp_ch_bitmap, sizeof(tmp_ch_bitmap));
+ memset(wl->reg_ch_conf_pending, 0, sizeof(wl->reg_ch_conf_pending));
+
+out:
+ kfree(cmd);
+ return ret;
+}
+
int wl12xx_cmd_config_fwlog(struct wl1271 *wl)
{
struct wl12xx_cmd_config_fwlog *cmd;
diff --git a/drivers/net/wireless/ti/wlcore/cmd.h b/drivers/net/wireless/ti/wlcore/cmd.h
index c9f826819f9..7f378b73f02 100644
--- a/drivers/net/wireless/ti/wlcore/cmd.h
+++ b/drivers/net/wireless/ti/wlcore/cmd.h
@@ -84,6 +84,9 @@ int wl12xx_croc(struct wl1271 *wl, u8 role_id);
int wl12xx_cmd_add_peer(struct wl1271 *wl, struct wl12xx_vif *wlvif,
struct ieee80211_sta *sta, u8 hlid);
int wl12xx_cmd_remove_peer(struct wl1271 *wl, u8 hlid);
+void wlcore_set_pending_regdomain_ch(struct wl1271 *wl, u16 channel,
+ enum ieee80211_band band);
+int wlcore_cmd_regdomain_config_locked(struct wl1271 *wl);
int wl12xx_cmd_config_fwlog(struct wl1271 *wl);
int wl12xx_cmd_start_fwlog(struct wl1271 *wl);
int wl12xx_cmd_stop_fwlog(struct wl1271 *wl);
@@ -623,6 +626,13 @@ enum wl12xx_fwlogger_output {
WL12XX_FWLOG_OUTPUT_HOST,
};
+struct wl12xx_cmd_regdomain_dfs_config {
+ struct wl1271_cmd_header header;
+
+ __le32 ch_bit_map1;
+ __le32 ch_bit_map2;
+} __packed;
+
struct wl12xx_cmd_config_fwlog {
struct wl1271_cmd_header header;
diff --git a/drivers/net/wireless/ti/wlcore/event.h b/drivers/net/wireless/ti/wlcore/event.h
index 766b02f1578..b4353be68dd 100644
--- a/drivers/net/wireless/ti/wlcore/event.h
+++ b/drivers/net/wireless/ti/wlcore/event.h
@@ -54,6 +54,7 @@ enum {
enum wlcore_wait_event {
WLCORE_EVENT_ROLE_STOP_COMPLETE,
WLCORE_EVENT_PEER_REMOVE_COMPLETE,
+ WLCORE_EVENT_DFS_CONFIG_COMPLETE
};
enum {
diff --git a/drivers/net/wireless/ti/wlcore/init.c b/drivers/net/wireless/ti/wlcore/init.c
index 06e1bf98f44..68828b4adc0 100644
--- a/drivers/net/wireless/ti/wlcore/init.c
+++ b/drivers/net/wireless/ti/wlcore/init.c
@@ -681,6 +681,10 @@ int wl1271_hw_init(struct wl1271 *wl)
if (ret < 0)
return ret;
+ ret = wlcore_cmd_regdomain_config_locked(wl);
+ if (ret < 0)
+ return ret;
+
/* Bluetooth WLAN coexistence */
ret = wl1271_init_pta(wl);
if (ret < 0)
diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c
index 97e4a9c9da7..015d769ae9f 100644
--- a/drivers/net/wireless/ti/wlcore/main.c
+++ b/drivers/net/wireless/ti/wlcore/main.c
@@ -93,6 +93,8 @@ static int wl1271_reg_notify(struct wiphy *wiphy,
struct ieee80211_supported_band *band;
struct ieee80211_channel *ch;
int i;
+ struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
+ struct wl1271 *wl = hw->priv;
band = wiphy->bands[IEEE80211_BAND_5GHZ];
for (i = 0; i < band->n_channels; i++) {
@@ -106,6 +108,9 @@ static int wl1271_reg_notify(struct wiphy *wiphy,
}
+ if (likely(wl->state == WLCORE_STATE_ON))
+ wlcore_regdomain_config(wl);
+
return 0;
}
@@ -1900,6 +1905,12 @@ static void wlcore_op_stop_locked(struct wl1271 *wl)
wl->tx_res_if = NULL;
kfree(wl->target_mem_map);
wl->target_mem_map = NULL;
+
+ /*
+ * FW channels must be re-calibrated after recovery,
+ * clear the last Reg-Domain channel configuration.
+ */
+ memset(wl->reg_ch_conf_last, 0, sizeof(wl->reg_ch_conf_last));
}
static void wlcore_op_stop(struct ieee80211_hw *hw)
@@ -3284,6 +3295,29 @@ int wlcore_set_key(struct wl1271 *wl, enum set_key_cmd cmd,
}
EXPORT_SYMBOL_GPL(wlcore_set_key);
+void wlcore_regdomain_config(struct wl1271 *wl)
+{
+ int ret;
+
+ if (!(wl->quirks & WLCORE_QUIRK_REGDOMAIN_CONF))
+ return;
+
+ mutex_lock(&wl->mutex);
+ ret = wl1271_ps_elp_wakeup(wl);
+ if (ret < 0)
+ goto out;
+
+ ret = wlcore_cmd_regdomain_config_locked(wl);
+ if (ret < 0) {
+ wl12xx_queue_recovery_work(wl);
+ goto out;
+ }
+
+ wl1271_ps_elp_sleep(wl);
+out:
+ mutex_unlock(&wl->mutex);
+}
+
static int wl1271_op_hw_scan(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct cfg80211_scan_request *req)
diff --git a/drivers/net/wireless/ti/wlcore/rx.c b/drivers/net/wireless/ti/wlcore/rx.c
index 9ee0ec6fd1d..4665b9615dc 100644
--- a/drivers/net/wireless/ti/wlcore/rx.c
+++ b/drivers/net/wireless/ti/wlcore/rx.c
@@ -97,6 +97,10 @@ static void wl1271_rx_status(struct wl1271 *wl,
wl1271_warning("Michael MIC error");
}
}
+
+ if (beacon)
+ wlcore_set_pending_regdomain_ch(wl, (u16)desc->channel,
+ status->band);
}
static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length,
diff --git a/drivers/net/wireless/ti/wlcore/scan.c b/drivers/net/wireless/ti/wlcore/scan.c
index eeb61889833..c9137004982 100644
--- a/drivers/net/wireless/ti/wlcore/scan.c
+++ b/drivers/net/wireless/ti/wlcore/scan.c
@@ -80,6 +80,8 @@ void wl1271_scan_complete_work(struct work_struct *work)
wl12xx_queue_recovery_work(wl);
}
+ wlcore_cmd_regdomain_config_locked(wl);
+
ieee80211_scan_completed(wl->hw, false);
out:
diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h
index e9254b78bac..d3818ef1bc9 100644
--- a/drivers/net/wireless/ti/wlcore/wlcore.h
+++ b/drivers/net/wireless/ti/wlcore/wlcore.h
@@ -284,6 +284,11 @@ struct wl1271 {
struct work_struct recovery_work;
bool watchdog_recovery;
+ /* Reg domain last configuration */
+ u32 reg_ch_conf_last[2];
+ /* Reg domain pending configuration */
+ u32 reg_ch_conf_pending[2];
+
/* Pointer that holds DMA-friendly block for the mailbox */
void *mbox;
@@ -445,6 +450,7 @@ int wlcore_set_key(struct wl1271 *wl, enum set_key_cmd cmd,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct ieee80211_key_conf *key_conf);
+void wlcore_regdomain_config(struct wl1271 *wl);
static inline void
wlcore_set_ht_cap(struct wl1271 *wl, enum ieee80211_band band,
@@ -503,6 +509,10 @@ wlcore_set_min_fw_ver(struct wl1271 *wl, unsigned int chip,
/* separate probe response templates for one-shot and sched scans */
#define WLCORE_QUIRK_DUAL_PROBE_TMPL BIT(10)
+/* Firmware requires reg domain configuration for active calibration */
+#define WLCORE_QUIRK_REGDOMAIN_CONF BIT(11)
+
+
/* TODO: move to the lower drivers when all usages are abstracted */
#define CHIP_ID_1271_PG10 (0x4030101)
#define CHIP_ID_1271_PG20 (0x4030111)