wil6210: add oob_mode module parameter

Add module parameter oob_mode. Takes effect the next time
the interface is brought up and FW is loaded. Puts the FW
in special "out of the box" (OOB) mode which is used for
diagnostics and certification.

Signed-off-by: Lior David <qca_liord@qca.qualcomm.com>
Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

drivers/net/wireless/ath/wil6210/main.c

@@ -27,6 +27,11 @@ bool debug_fw; /* = false; */
 module_param(debug_fw, bool, S_IRUGO);
 MODULE_PARM_DESC(debug_fw, " do not perform card reset. For FW debug");
 
+static bool oob_mode;
+module_param(oob_mode, bool, S_IRUGO);
+MODULE_PARM_DESC(oob_mode,
+		 " enable out of the box (OOB) mode in FW, for diagnostics and certification");
+
 bool no_fw_recovery;
 module_param(no_fw_recovery, bool, S_IRUGO | S_IWUSR);
 MODULE_PARM_DESC(no_fw_recovery, " disable automatic FW error recovery");
@@ -547,6 +552,16 @@ static inline void wil_release_cpu(struct wil6210_priv *wil)
 	wil_w(wil, RGF_USER_USER_CPU_0, 1);
 }
 
+static void wil_set_oob_mode(struct wil6210_priv *wil, bool enable)
+{
+	wil_info(wil, "%s: enable=%d\n", __func__, enable);
+	if (enable) {
+		wil_s(wil, RGF_USER_USAGE_6, BIT_USER_OOB_MODE);
+	} else {
+		wil_c(wil, RGF_USER_USAGE_6, BIT_USER_OOB_MODE);
+	}
+}
+
 static int wil_target_reset(struct wil6210_priv *wil)
 {
 	int delay = 0;
@@ -823,6 +838,7 @@ int wil_reset(struct wil6210_priv *wil, bool load_fw)
 	if (rc)
 		return rc;
 
+	wil_set_oob_mode(wil, oob_mode);
 	if (load_fw) {
 		wil_info(wil, "Use firmware <%s> + board <%s>\n", WIL_FW_NAME,
 			 WIL_FW2_NAME);

drivers/net/wireless/ath/wil6210/wil6210.h

@@ -132,6 +132,7 @@ struct RGF_ICR {
 /* registers - FW addresses */
 #define RGF_USER_USAGE_1		(0x880004)
 #define RGF_USER_USAGE_6		(0x880018)
+	#define BIT_USER_OOB_MODE		BIT(31)
 #define RGF_USER_HW_MACHINE_STATE	(0x8801dc)
 	#define HW_MACHINE_BOOT_DONE	(0x3fffffd)
 #define RGF_USER_USER_CPU_0		(0x8801e0)