wl12xx: Use a dedicated fw for PLT
A special PLT firmware is used for calibration.
Add multiple fw support by introducing a new fw_type member,
representing the currently saved fw (the actual fw state
can be determined by wl->state).
Signed-off-by: Gery Kahn <geryk@ti.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c
index 723df48..c109407 100644
--- a/drivers/net/wireless/wl12xx/main.c
+++ b/drivers/net/wireless/wl12xx/main.c
@@ -993,16 +993,29 @@
return IRQ_HANDLED;
}
-static int wl1271_fetch_firmware(struct wl1271 *wl)
+static int wl12xx_fetch_firmware(struct wl1271 *wl, bool plt)
{
const struct firmware *fw;
const char *fw_name;
+ enum wl12xx_fw_type fw_type;
int ret;
- if (wl->chip.id == CHIP_ID_1283_PG20)
- fw_name = WL128X_FW_NAME;
- else
- fw_name = WL127X_FW_NAME;
+ if (plt) {
+ fw_type = WL12XX_FW_TYPE_PLT;
+ if (wl->chip.id == CHIP_ID_1283_PG20)
+ fw_name = WL128X_PLT_FW_NAME;
+ else
+ fw_name = WL127X_PLT_FW_NAME;
+ } else {
+ fw_type = WL12XX_FW_TYPE_NORMAL;
+ if (wl->chip.id == CHIP_ID_1283_PG20)
+ fw_name = WL128X_FW_NAME;
+ else
+ fw_name = WL127X_FW_NAME;
+ }
+
+ if (wl->fw_type == fw_type)
+ return 0;
wl1271_debug(DEBUG_BOOT, "booting firmware %s", fw_name);
@@ -1021,6 +1034,7 @@
}
vfree(wl->fw);
+ wl->fw_type = WL12XX_FW_TYPE_NONE;
wl->fw_len = fw->size;
wl->fw = vmalloc(wl->fw_len);
@@ -1032,7 +1046,7 @@
memcpy(wl->fw, fw->data, wl->fw_len);
ret = 0;
-
+ wl->fw_type = fw_type;
out:
release_firmware(fw);
@@ -1160,7 +1174,7 @@
mutex_lock(&wl->mutex);
- if (wl->state != WL1271_STATE_ON)
+ if (wl->state != WL1271_STATE_ON || wl->plt)
goto out_unlock;
/* Avoid a recursive recovery */
@@ -1261,7 +1275,7 @@
return ret;
}
-static int wl1271_chip_wakeup(struct wl1271 *wl)
+static int wl12xx_chip_wakeup(struct wl1271 *wl, bool plt)
{
int ret = 0;
@@ -1316,11 +1330,9 @@
goto out;
}
- if (wl->fw == NULL) {
- ret = wl1271_fetch_firmware(wl);
- if (ret < 0)
- goto out;
- }
+ ret = wl12xx_fetch_firmware(wl, plt);
+ if (ret < 0)
+ goto out;
/* No NVS from netlink, try to get it from the filesystem */
if (wl->nvs == NULL) {
@@ -1352,7 +1364,7 @@
while (retries) {
retries--;
- ret = wl1271_chip_wakeup(wl);
+ ret = wl12xx_chip_wakeup(wl, true);
if (ret < 0)
goto power_off;
@@ -1364,7 +1376,8 @@
if (ret < 0)
goto irq_disable;
- wl->state = WL1271_STATE_PLT;
+ wl->plt = true;
+ wl->state = WL1271_STATE_ON;
wl1271_notice("firmware booted in PLT mode (%s)",
wl->chip.fw_ver_str);
@@ -1413,7 +1426,7 @@
*/
wl1271_disable_interrupts(wl);
mutex_lock(&wl->mutex);
- if (wl->state != WL1271_STATE_PLT) {
+ if (!wl->plt) {
mutex_unlock(&wl->mutex);
/*
@@ -1440,6 +1453,7 @@
wl1271_power_off(wl);
wl->flags = 0;
wl->state = WL1271_STATE_OFF;
+ wl->plt = false;
wl->rx_counter = 0;
mutex_unlock(&wl->mutex);
@@ -1995,7 +2009,7 @@
while (retries) {
retries--;
- ret = wl1271_chip_wakeup(wl);
+ ret = wl12xx_chip_wakeup(wl, false);
if (ret < 0)
goto power_off;
@@ -2098,6 +2112,7 @@
goto out;
}
+
ret = wl12xx_init_vif_data(wl, vif);
if (ret < 0)
goto out;
@@ -5009,7 +5024,7 @@
static void wl1271_unregister_hw(struct wl1271 *wl)
{
- if (wl->state == WL1271_STATE_PLT)
+ if (wl->plt)
wl1271_plt_stop(wl);
unregister_netdevice_notifier(&wl1271_dev_notifier);
@@ -5186,6 +5201,7 @@
spin_lock_init(&wl->wl_lock);
wl->state = WL1271_STATE_OFF;
+ wl->fw_type = WL12XX_FW_TYPE_NONE;
mutex_init(&wl->mutex);
/* Apply default driver configuration. */
@@ -5253,6 +5269,7 @@
vfree(wl->fw);
wl->fw = NULL;
+ wl->fw_type = WL12XX_FW_TYPE_NONE;
kfree(wl->nvs);
wl->nvs = NULL;