From ef0d4d698c36e046410182d8e343513c815370de Mon Sep 17 00:00:00 2001
From: Balakrishna Godavarthi <bgodavar@codeaurora.org>
Date: Mon, 31 May 2021 14:45:53 +0530
Subject: [PATCH] Add support to vote for SMPS

This change will add support to vote for SMPS node if regulator
handle is provided in DTS source.

Change-Id: Ib370fd2fecfe04585cd2ab643f597714ead18a93
Signed-off-by: Balakrishna Godavarthi <bgodavar@codeaurora.org>
---
 drivers/bluetooth/btpower.c | 27 +++++++++++++++++++--------
 include/linux/btpower.h     |  3 ---
 2 files changed, 19 insertions(+), 11 deletions(-)

diff --git a/drivers/bluetooth/btpower.c b/drivers/bluetooth/btpower.c
index 93a7fbb688b9..e149f5a135dd 100644
--- a/drivers/bluetooth/btpower.c
+++ b/drivers/bluetooth/btpower.c
@@ -32,12 +32,6 @@
 #endif
 #include <linux/fs.h>
 
-#define PWR_SRC_STATUS_SET(index, status)  do { \
-	if (index >= PWR_SRC_INIT_STATE_IDX && index < BT_POWER_SRC_SIZE) { \
-		bt_power_src_status[index] = (int) status; \
-	} \
-} while (0)
-
 #define PWR_SRC_NOT_AVAILABLE -2
 #define DEFAULT_INVALID_VALUE -1
 #define PWR_SRC_INIT_STATE_IDX 0
@@ -76,9 +70,24 @@ enum power_src_pos {
 	BT_VDD_RFA_0p8_CURRENT,
 	BT_VDD_RFACMN_CURRENT,
 	BT_VDD_IPA_2p2,
-	BT_VDD_IPA_2p2_CURRENT
+	BT_VDD_IPA_2p2_CURRENT,
+	/* The below bucks are voted for HW WAR on some platform which supports
+	 * WNC39xx.
+	 */
+	BT_VDD_SMPS,
+	BT_VDD_SMPS_CURRENT,
+	/* New entries need to be added before PWR_SRC_SIZE.
+	 * Its hold the max size of power sources states.
+	 */
+	BT_POWER_SRC_SIZE,
 };
 
+#define PWR_SRC_STATUS_SET(index, status)  do { \
+	if (index >= PWR_SRC_INIT_STATE_IDX && index < BT_POWER_SRC_SIZE) { \
+		bt_power_src_status[index] = (int) status; \
+	} \
+} while (0)
+
 // Regulator structure for QCA6174/QCA9377/QCA9379 BT SoC series
 static struct bt_power_vreg_data bt_vregs_info_qca61x4_937x[] = {
 	{NULL, "qcom,bt-vdd-aon", 928000, 928000, 0, false, false,
@@ -116,6 +125,8 @@ static struct bt_power_vreg_data bt_vregs_info_qca6xx0[] = {
 static struct bt_power bt_vreg_info_wcn399x = {
 	.compatible = "qcom,wcn3990",
 	.vregs = (struct bt_power_vreg_data []) {
+		{NULL, "qcom,bt-vdd-smps", 984000,  984000, 0, false, false,
+			{BT_VDD_SMPS, BT_VDD_SMPS_CURRENT}},
 		{NULL, "qcom,bt-vdd-io",   1700000, 1900000, 0, false, false,
 			{BT_VDD_IO_LDO, BT_VDD_IO_LDO_CURRENT}},
 		{NULL, "qcom,bt-vdd-core", 1304000, 1304000, 0, false, false,
@@ -125,7 +136,7 @@ static struct bt_power bt_vreg_info_wcn399x = {
 		{NULL, "qcom,bt-vdd-xtal", 1700000, 1900000, 0, false, false,
 			{BT_VDD_XTAL_LDO, BT_VDD_XTAL_LDO_CURRENT}},
 	},
-	.num_vregs = 4,
+	.num_vregs = 5,
 };
 
 static struct bt_power bt_vreg_info_qca_auto = {
diff --git a/include/linux/btpower.h b/include/linux/btpower.h
index 57b235733d62..a8bcd48f1623 100644
--- a/include/linux/btpower.h
+++ b/include/linux/btpower.h
@@ -89,7 +89,4 @@ int btpower_get_chipset_version(void);
 
 #define TCS_CMD_IO_ADDR_OFFSET 0x4
 
-/* total number of power src */
-#define BT_POWER_SRC_SIZE           30
-
 #endif /* __LINUX_BLUETOOTH_POWER_H */