From:   Siva Rebbagondla <siva8118@gmail.com>
To:     Kalle Valo <kvalo@codeaurora.org>
Cc:     linux-wireless@vger.kernel.org, amitkarwar@gmail.com,
        krishna.pedda@redpinesignals.com,
        Ganapathiraju Kondraju <ganapathi.kondraju@redpinesignals.com>,
        Siva Rebbagondla <siva8118@gmail.com>
Subject: [PATCH 7/8] rsi: reset device changes for 9116
Date:   Wed,  3 Apr 2019 09:43:08 +0530
Message-Id: <20190403041309.12829-8-siva8118@gmail.com>
In-Reply-To: <20190403041309.12829-1-siva8118@gmail.com>
References: <20190403041309.12829-1-siva8118@gmail.com>
Sender: linux-wireless-owner@vger.kernel.org
Precedence: bulk

Device reset register(watchdog timer related) addresses and
values are different for 9116.

Signed-off-by: Siva Rebbagondla <siva8118@gmail.com>
---
 drivers/net/wireless/rsi/rsi_91x_sdio.c | 45 ++++++++++++++----
 drivers/net/wireless/rsi/rsi_91x_usb.c  | 61 +++++++++++++++++--------
 drivers/net/wireless/rsi/rsi_hal.h      | 15 ++++++
 3 files changed, 91 insertions(+), 30 deletions(-)

diff --git a/drivers/net/wireless/rsi/rsi_91x_sdio.c b/drivers/net/wireless/rsi/rsi_91x_sdio.c
index e9a2af0a1a80..f9c67ed473d1 100644
--- a/drivers/net/wireless/rsi/rsi_91x_sdio.c
+++ b/drivers/net/wireless/rsi/rsi_91x_sdio.c
@@ -1167,16 +1167,41 @@ static void rsi_reset_chip(struct rsi_hw *adapter)
 	 * and any pending dma transfers to rf spi in device to finish.
 	 */
 	msleep(100);
-
-	ulp_read_write(adapter, RSI_ULP_RESET_REG, RSI_ULP_WRITE_0, 32);
-	ulp_read_write(adapter, RSI_WATCH_DOG_TIMER_1, RSI_ULP_WRITE_2, 32);
-	ulp_read_write(adapter, RSI_WATCH_DOG_TIMER_2, RSI_ULP_WRITE_0, 32);
-	ulp_read_write(adapter, RSI_WATCH_DOG_DELAY_TIMER_1, RSI_ULP_WRITE_50,
-		       32);
-	ulp_read_write(adapter, RSI_WATCH_DOG_DELAY_TIMER_2, RSI_ULP_WRITE_0,
-		       32);
-	ulp_read_write(adapter, RSI_WATCH_DOG_TIMER_ENABLE,
-		       RSI_ULP_TIMER_ENABLE, 32);
+	if (adapter->device_model != RSI_DEV_9116) {
+		ulp_read_write(adapter, RSI_ULP_RESET_REG, RSI_ULP_WRITE_0, 32);
+		ulp_read_write(adapter,
+			       RSI_WATCH_DOG_TIMER_1, RSI_ULP_WRITE_2, 32);
+		ulp_read_write(adapter, RSI_WATCH_DOG_TIMER_2, RSI_ULP_WRITE_0,
+			       32);
+		ulp_read_write(adapter, RSI_WATCH_DOG_DELAY_TIMER_1,
+			       RSI_ULP_WRITE_50, 32);
+		ulp_read_write(adapter, RSI_WATCH_DOG_DELAY_TIMER_2,
+			       RSI_ULP_WRITE_0, 32);
+		ulp_read_write(adapter, RSI_WATCH_DOG_TIMER_ENABLE,
+			       RSI_ULP_TIMER_ENABLE, 32);
+	} else {
+		if ((rsi_sdio_master_reg_write(adapter,
+					       NWP_WWD_INTERRUPT_TIMER,
+					       NWP_WWD_INT_TIMER_CLKS,
+					       RSI_9116_REG_SIZE)) < 0) {
+			rsi_dbg(ERR_ZONE, "Failed to write to intr timer\n");
+		}
+		if ((rsi_sdio_master_reg_write(adapter,
+					       NWP_WWD_SYSTEM_RESET_TIMER,
+					       NWP_WWD_SYS_RESET_TIMER_CLKS,
+					       RSI_9116_REG_SIZE)) < 0) {
+			rsi_dbg(ERR_ZONE,
+				"Failed to write to system reset timer\n");
+		}
+		if ((rsi_sdio_master_reg_write(adapter,
+					       NWP_WWD_MODE_AND_RSTART,
+					       NWP_WWD_TIMER_DISABLE,
+					       RSI_9116_REG_SIZE)) < 0) {
+			rsi_dbg(ERR_ZONE,
+				"Failed to write to mode and restart\n");
+		}
+		rsi_dbg(ERR_ZONE, "***** Watch Dog Reset Successful *****\n");
+	}
 	/* This msleep will be sufficient for the ulp
 	 * read write operations to complete for chip reset.
 	 */
diff --git a/drivers/net/wireless/rsi/rsi_91x_usb.c b/drivers/net/wireless/rsi/rsi_91x_usb.c
index 7d9b85925150..f0475b20f153 100644
--- a/drivers/net/wireless/rsi/rsi_91x_usb.c
+++ b/drivers/net/wireless/rsi/rsi_91x_usb.c
@@ -698,26 +698,47 @@ static int rsi_reset_card(struct rsi_hw *adapter)
 		goto fail;
 	}
 
-	ret = usb_ulp_read_write(adapter, RSI_WATCH_DOG_TIMER_1,
-				 RSI_ULP_WRITE_2, 32);
-	if (ret < 0)
-		goto fail;
-	ret = usb_ulp_read_write(adapter, RSI_WATCH_DOG_TIMER_2,
-				 RSI_ULP_WRITE_0, 32);
-	if (ret < 0)
-		goto fail;
-	ret = usb_ulp_read_write(adapter, RSI_WATCH_DOG_DELAY_TIMER_1,
-				 RSI_ULP_WRITE_50, 32);
-	if (ret < 0)
-		goto fail;
-	ret = usb_ulp_read_write(adapter, RSI_WATCH_DOG_DELAY_TIMER_2,
-				 RSI_ULP_WRITE_0, 32);
-	if (ret < 0)
-		goto fail;
-	ret = usb_ulp_read_write(adapter, RSI_WATCH_DOG_TIMER_ENABLE,
-				 RSI_ULP_TIMER_ENABLE, 32);
-	if (ret < 0)
-		goto fail;
+	if (adapter->device_model != RSI_DEV_9116) {
+		ret = usb_ulp_read_write(adapter, RSI_WATCH_DOG_TIMER_1,
+					 RSI_ULP_WRITE_2, 32);
+		if (ret < 0)
+			goto fail;
+		ret = usb_ulp_read_write(adapter, RSI_WATCH_DOG_TIMER_2,
+					 RSI_ULP_WRITE_0, 32);
+		if (ret < 0)
+			goto fail;
+		ret = usb_ulp_read_write(adapter, RSI_WATCH_DOG_DELAY_TIMER_1,
+					 RSI_ULP_WRITE_50, 32);
+		if (ret < 0)
+			goto fail;
+		ret = usb_ulp_read_write(adapter, RSI_WATCH_DOG_DELAY_TIMER_2,
+					 RSI_ULP_WRITE_0, 32);
+		if (ret < 0)
+			goto fail;
+		ret = usb_ulp_read_write(adapter, RSI_WATCH_DOG_TIMER_ENABLE,
+					 RSI_ULP_TIMER_ENABLE, 32);
+		if (ret < 0)
+			goto fail;
+	} else {
+		if ((rsi_usb_master_reg_write(adapter,
+					      NWP_WWD_INTERRUPT_TIMER,
+					      NWP_WWD_INT_TIMER_CLKS,
+					      RSI_9116_REG_SIZE)) < 0) {
+			goto fail;
+		}
+		if ((rsi_usb_master_reg_write(adapter,
+					      NWP_WWD_SYSTEM_RESET_TIMER,
+					      NWP_WWD_SYS_RESET_TIMER_CLKS,
+					      RSI_9116_REG_SIZE)) < 0) {
+			goto fail;
+		}
+		if ((rsi_usb_master_reg_write(adapter,
+					      NWP_WWD_MODE_AND_RSTART,
+					      NWP_WWD_TIMER_DISABLE,
+					      RSI_9116_REG_SIZE)) < 0) {
+			goto fail;
+		}
+	}
 
 	rsi_dbg(INFO_ZONE, "Reset card done\n");
 	return ret;
diff --git a/drivers/net/wireless/rsi/rsi_hal.h b/drivers/net/wireless/rsi/rsi_hal.h
index c07b1a006d3f..46e36df9e8e3 100644
--- a/drivers/net/wireless/rsi/rsi_hal.h
+++ b/drivers/net/wireless/rsi/rsi_hal.h
@@ -70,6 +70,21 @@
 #define RSI_WATCH_DOG_DELAY_TIMER_2		0x16f
 #define RSI_WATCH_DOG_TIMER_ENABLE		0x170
 
+/* Watchdog timer addresses for 9116 */
+#define NWP_AHB_BASE_ADDR		0x41300000
+#define NWP_WWD_INTERRUPT_TIMER		(NWP_AHB_BASE_ADDR + 0x300)
+#define NWP_WWD_SYSTEM_RESET_TIMER	(NWP_AHB_BASE_ADDR + 0x304)
+#define NWP_WWD_WINDOW_TIMER		(NWP_AHB_BASE_ADDR + 0x308)
+#define NWP_WWD_TIMER_SETTINGS		(NWP_AHB_BASE_ADDR + 0x30C)
+#define NWP_WWD_MODE_AND_RSTART		(NWP_AHB_BASE_ADDR + 0x310)
+#define NWP_WWD_RESET_BYPASS		(NWP_AHB_BASE_ADDR + 0x314)
+#define NWP_FSM_INTR_MASK_REG		(NWP_AHB_BASE_ADDR + 0x104)
+
+/* Watchdog timer values */
+#define NWP_WWD_INT_TIMER_CLKS		5
+#define NWP_WWD_SYS_RESET_TIMER_CLKS	4
+#define NWP_WWD_TIMER_DISABLE		0xAA0001
+
 #define RSI_ULP_WRITE_0			00
 #define RSI_ULP_WRITE_2			02
 #define RSI_ULP_WRITE_50		50
-- 
2.17.1