From eb4c02155881696ee6abb090d554b765e41d46ed Mon Sep 17 00:00:00 2001
From: Dedy Lansky <qca_dlansky@qca.qualcomm.com>
Date: Tue, 8 Aug 2017 14:16:48 +0300
Subject: [PATCH] wil6210: store FW RF calibration result
Git-commit: eb4c02155881696ee6abb090d554b765e41d46ed
Patch-mainline: v4.14-rc1
References: FATE#326906
Store initial FW RF calibration result in driver. Set this calibration
result back to FW after each FW reset in order to avoid future calibration
procedures.
Signed-off-by: Dedy Lansky <qca_dlansky@qca.qualcomm.com>
Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/net/wireless/ath/wil6210/main.c | 6 ++++++
drivers/net/wireless/ath/wil6210/wil6210.h | 6 ++++++
drivers/net/wireless/ath/wil6210/wmi.c | 5 +++++
drivers/net/wireless/ath/wil6210/wmi.h | 2 ++
4 files changed, 19 insertions(+)
diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c
index b1e281442ba3..b89d017ec847 100644
--- a/drivers/net/wireless/ath/wil6210/main.c
+++ b/drivers/net/wireless/ath/wil6210/main.c
@@ -1034,6 +1034,12 @@ int wil_reset(struct wil6210_priv *wil, bool load_fw)
wil_s(wil, RGF_CAF_ICR + offsetof(struct RGF_ICR, ICR), 0);
wil_w(wil, RGF_CAF_ICR + offsetof(struct RGF_ICR, IMV), ~0);
+ if (wil->fw_calib_result > 0) {
+ __le32 val = cpu_to_le32(wil->fw_calib_result |
+ (CALIB_RESULT_SIGNATURE << 8));
+ wil_w(wil, RGF_USER_FW_CALIB_RESULT, (u32 __force)val);
+ }
+
wil_release_cpu(wil);
}
diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h
index 45d9385e8a0f..78a9c9f8fc8f 100644
--- a/drivers/net/wireless/ath/wil6210/wil6210.h
+++ b/drivers/net/wireless/ath/wil6210/wil6210.h
@@ -171,6 +171,10 @@ struct RGF_ICR {
#define RGF_USER_USER_SCRATCH_PAD (0x8802bc)
#define RGF_USER_BL (0x880A3C) /* Boot Loader */
#define RGF_USER_FW_REV_ID (0x880a8c) /* chip revision */
+#define RGF_USER_FW_CALIB_RESULT (0x880a90) /* b0-7:result
+ * b8-15:signature
+ */
+ #define CALIB_RESULT_SIGNATURE (0x11)
#define RGF_USER_CLKS_CTL_0 (0x880abc)
#define BIT_USER_CLKS_CAR_AHB_SW_SEL BIT(1) /* ref clk/PLL */
#define BIT_USER_CLKS_RST_PWGD BIT(11) /* reset on "power good" */
@@ -724,6 +728,8 @@ struct wil6210_priv {
enum wmi_ps_profile_type ps_profile;
+ int fw_calib_result;
+
#ifdef CONFIG_PM
#ifdef CONFIG_PM_SLEEP
struct notifier_block pm_notify;
diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c
index a9487f2b8d60..ffdd2fa401b1 100644
--- a/drivers/net/wireless/ath/wil6210/wmi.c
+++ b/drivers/net/wireless/ath/wil6210/wmi.c
@@ -344,6 +344,11 @@ static void wmi_evt_ready(struct wil6210_priv *wil, int id, void *d, int len)
strlcpy(wdev->wiphy->fw_version, wil->fw_version,
sizeof(wdev->wiphy->fw_version));
+ if (len > offsetof(struct wmi_ready_event, rfc_read_calib_result)) {
+ wil_dbg_wmi(wil, "rfc calibration result %d\n",
+ evt->rfc_read_calib_result);
+ wil->fw_calib_result = evt->rfc_read_calib_result;
+ }
wil_set_recovery_state(wil, fw_recovery_idle);
set_bit(wil_status_fwready, wil->status);
/* let the reset sequence continue */
diff --git a/drivers/net/wireless/ath/wil6210/wmi.h b/drivers/net/wireless/ath/wil6210/wmi.h
index 4e31c2fd1fc6..1b426d7ef81f 100644
--- a/drivers/net/wireless/ath/wil6210/wmi.h
+++ b/drivers/net/wireless/ath/wil6210/wmi.h
@@ -1300,6 +1300,8 @@ struct wmi_ready_event {
/* enum wmi_phy_capability */
u8 phy_capability;
u8 numof_additional_mids;
+ u8 rfc_read_calib_result;
+ u8 reserved[3];
} __packed;
/* WMI_NOTIFY_REQ_DONE_EVENTID */
--
2.19.2