For FW debugging purposes, we may need to change the sleep mode
(aka. sleep_auth) by hand, and set it to the mode we want. To allow
this, a debugfs entry is added.
Now we store the sleep_auth value that has been set and use that
instead of the quirk to decide whether we should enter ELP or not.
Signed-off-by: Luciano Coelho <coelho@xxxxxx>
Signed-off-by: Arik Nemtsov <arik@xxxxxxxxxx>
---
drivers/net/wireless/ti/wlcore/acx.c | 3 ++
drivers/net/wireless/ti/wlcore/acx.h | 2 ++
drivers/net/wireless/ti/wlcore/debugfs.c | 58 ++++++++++++++++++++++++++++++
drivers/net/wireless/ti/wlcore/main.c | 3 ++
drivers/net/wireless/ti/wlcore/ps.c | 2 +-
drivers/net/wireless/ti/wlcore/wlcore.h | 3 ++
6 files changed, 70 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/ti/wlcore/acx.c b/drivers/net/wireless/ti/wlcore/acx.c
index b9ec42c..b56217f 100644
--- a/drivers/net/wireless/ti/wlcore/acx.c
+++ b/drivers/net/wireless/ti/wlcore/acx.c
@@ -81,7 +81,10 @@ int wl1271_acx_sleep_auth(struct wl1271 *wl, u8 sleep_auth)
auth->sleep_auth = sleep_auth;
ret = wl1271_cmd_configure(wl, ACX_SLEEP_AUTH, auth, sizeof(*auth));
+ if (ret < 0)
+ goto out;
+ wl->sleep_auth = sleep_auth;
out:
kfree(auth);
return ret;
diff --git a/drivers/net/wireless/ti/wlcore/acx.h b/drivers/net/wireless/ti/wlcore/acx.h
index c018125..168e046 100644
--- a/drivers/net/wireless/ti/wlcore/acx.h
+++ b/drivers/net/wireless/ti/wlcore/acx.h
@@ -118,6 +118,8 @@ enum wl1271_psm_mode {
/* Extreme low power */
WL1271_PSM_ELP = 2,
+
+ WL1271_PSM_MAX = WL1271_PSM_ELP,
};
struct acx_sleep_auth {
diff --git a/drivers/net/wireless/ti/wlcore/debugfs.c b/drivers/net/wireless/ti/wlcore/debugfs.c
index 689a847..91e43de 100644
--- a/drivers/net/wireless/ti/wlcore/debugfs.c
+++ b/drivers/net/wireless/ti/wlcore/debugfs.c
@@ -963,6 +963,63 @@ static const struct file_operations fw_stats_raw_ops = {
.llseek = default_llseek,
};
+static ssize_t sleep_auth_read(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct wl1271 *wl = file->private_data;
+
+ return wl1271_format_buffer(user_buf, count,
+ ppos, "%d\n",
+ wl->sleep_auth);
+}
+
+static ssize_t sleep_auth_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct wl1271 *wl = file->private_data;
+ unsigned long value;
+ int ret;
+
+ ret = kstrtoul_from_user(user_buf, count, 0, &value);
+ if (ret < 0) {
+ wl1271_warning("illegal value in sleep_auth");
+ return -EINVAL;
+ }
+
+ if (value < 0 || value > WL1271_PSM_MAX) {
+ wl1271_warning("sleep_auth must be between 0 and %d",
+ WL1271_PSM_MAX);
+ return -ERANGE;
+ }
+
+ mutex_lock(&wl->mutex);
+
+ if (wl->state == WL1271_STATE_OFF)
+ goto out;
+
+ ret = wl1271_ps_elp_wakeup(wl);
+ if (ret < 0)
+ goto out;
+
+ ret = wl1271_acx_sleep_auth(wl, value);
+ if (ret < 0)
+ goto out_sleep;
+
+out_sleep:
+ wl1271_ps_elp_sleep(wl);
+out:
+ mutex_unlock(&wl->mutex);
+ return count;
+}
+
+static const struct file_operations sleep_auth_ops = {
+ .read = sleep_auth_read,
+ .write = sleep_auth_write,
+ .open = simple_open,
+ .llseek = default_llseek,
+};
+
static int wl1271_debugfs_add_files(struct wl1271 *wl,
struct dentry *rootdir)
{
@@ -988,6 +1045,7 @@ static int wl1271_debugfs_add_files(struct wl1271 *wl,
DEBUGFS_ADD(irq_blk_threshold, rootdir);
DEBUGFS_ADD(irq_timeout, rootdir);
DEBUGFS_ADD(fw_stats_raw, rootdir);
+ DEBUGFS_ADD(sleep_auth, rootdir);
streaming = debugfs_create_dir("rx_streaming", rootdir);
if (!streaming || IS_ERR(streaming))
diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c
index 22b342f..7677cd5 100644
--- a/drivers/net/wireless/ti/wlcore/main.c
+++ b/drivers/net/wireless/ti/wlcore/main.c
@@ -1082,6 +1082,7 @@ int wl1271_plt_stop(struct wl1271 *wl)
mutex_lock(&wl->mutex);
wl1271_power_off(wl);
wl->flags = 0;
+ wl->sleep_auth = WL1271_PSM_CAM;
wl->state = WL1271_STATE_OFF;
wl->plt = false;
wl->rx_counter = 0;
@@ -1740,6 +1741,7 @@ static void wl1271_op_stop(struct ieee80211_hw *hw)
wl->ap_fw_ps_map = 0;
wl->ap_ps_map = 0;
wl->sched_scanning = false;
+ wl->sleep_auth = WL1271_PSM_CAM;
memset(wl->roles_map, 0, sizeof(wl->roles_map));
memset(wl->links_map, 0, sizeof(wl->links_map));
memset(wl->roc_map, 0, sizeof(wl->roc_map));
@@ -5174,6 +5176,7 @@ struct ieee80211_hw *wlcore_alloc_hw(size_t priv_size)
wl->channel_type = NL80211_CHAN_NO_HT;
wl->flags = 0;
wl->sg_enabled = true;
+ wl->sleep_auth = WL1271_PSM_CAM;
wl->hw_pg_ver = -1;
wl->ap_ps_map = 0;
wl->ap_fw_ps_map = 0;
diff --git a/drivers/net/wireless/ti/wlcore/ps.c b/drivers/net/wireless/ti/wlcore/ps.c
index 47e81b3..95d8797 100644
--- a/drivers/net/wireless/ti/wlcore/ps.c
+++ b/drivers/net/wireless/ti/wlcore/ps.c
@@ -76,7 +76,7 @@ void wl1271_ps_elp_sleep(struct wl1271 *wl)
struct wl12xx_vif *wlvif;
u32 timeout;
- if (wl->quirks & WLCORE_QUIRK_NO_ELP)
+ if (wl->sleep_auth != WL1271_PSM_ELP)
return;
/* we shouldn't get consecutive sleep requests */
diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h
index 761a72f..eae8edc 100644
--- a/drivers/net/wireless/ti/wlcore/wlcore.h
+++ b/drivers/net/wireless/ti/wlcore/wlcore.h
@@ -387,6 +387,9 @@ struct wl1271 {
/* mutex for protecting the tx_flush function */
struct mutex flush_mutex;
+
+ /* sleep auth value currently configured to FW */
+ int sleep_auth;
};
int __devinit wlcore_probe(struct wl1271 *wl, struct platform_device *pdev);
--
1.7.10
--
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