Bluetooth: btmrvl: indicate pscan scheduling instant in a debug event

A vendor specific command is sent to firmware during
initialization to enable this feature. This command is for
SD8897 only.

Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

4 files changed, 27 insertions, 0 deletions

diff --git a/drivers/bluetooth/btmrvl_drv.h b/drivers/bluetooth/btmrvl_drv.h
index dc79f88f8717..4c313e73df83 100644
--- a/drivers/bluetooth/btmrvl_drv.h
+++ b/drivers/bluetooth/btmrvl_drv.h
@@ -89,6 +89,7 @@ struct btmrvl_private {
 #define MRVL_VENDOR_PKT                 0xFE
 
 /* Vendor specific Bluetooth commands */
+#define BT_CMD_PSCAN_WIN_REPORT_ENABLE  0xFC03
 #define BT_CMD_AUTO_SLEEP_MODE          0xFC23
 #define BT_CMD_HOST_SLEEP_CONFIG        0xFC59
 #define BT_CMD_HOST_SLEEP_ENABLE        0xFC5A
diff --git a/drivers/bluetooth/btmrvl_main.c b/drivers/bluetooth/btmrvl_main.c
index e9dbddb0b8f1..d35f2e189a6d 100644
--- a/drivers/bluetooth/btmrvl_main.c
+++ b/drivers/bluetooth/btmrvl_main.c
@@ -214,6 +214,23 @@ int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, u8 subcmd)
 }
 EXPORT_SYMBOL_GPL(btmrvl_send_module_cfg_cmd);
 
+int btmrvl_pscan_window_reporting(struct btmrvl_private *priv, u8 subcmd)
+{
+        struct btmrvl_sdio_card *card = priv->btmrvl_dev.card;
+        int ret;
+
+        if (!card->support_pscan_win_report)
+                return 0;
+
+        ret = btmrvl_send_sync_cmd(priv, BT_CMD_PSCAN_WIN_REPORT_ENABLE,
+                                   &subcmd, 1);
+        if (ret)
+                BT_ERR("PSCAN_WIN_REPORT_ENABLE command failed: %#x", ret);
+
+        return ret;
+}
+EXPORT_SYMBOL_GPL(btmrvl_pscan_window_reporting);
+
 int btmrvl_send_hscfg_cmd(struct btmrvl_private *priv)
 {
         int ret;
@@ -489,6 +506,8 @@ static int btmrvl_setup(struct hci_dev *hdev)
 
         btmrvl_cal_data_dt(priv);
 
+        btmrvl_pscan_window_reporting(priv, 0x01);
+
         priv->btmrvl_dev.psmode = 1;
         btmrvl_enable_ps(priv);
 
diff --git a/drivers/bluetooth/btmrvl_sdio.c b/drivers/bluetooth/btmrvl_sdio.c
index 9dedca516ff5..efff06438b02 100644
--- a/drivers/bluetooth/btmrvl_sdio.c
+++ b/drivers/bluetooth/btmrvl_sdio.c
@@ -108,6 +108,7 @@ static const struct btmrvl_sdio_device btmrvl_sdio_sd8688 = {
         .helper         = "mrvl/sd8688_helper.bin",
         .firmware       = "mrvl/sd8688.bin",
         .reg            = &btmrvl_reg_8688,
+        .support_pscan_win_report = false,
         .sd_blksz_fw_dl = 64,
 };
 
@@ -115,6 +116,7 @@ static const struct btmrvl_sdio_device btmrvl_sdio_sd8787 = {
         .helper         = NULL,
         .firmware       = "mrvl/sd8787_uapsta.bin",
         .reg            = &btmrvl_reg_87xx,
+        .support_pscan_win_report = false,
         .sd_blksz_fw_dl = 256,
 };
 
@@ -122,6 +124,7 @@ static const struct btmrvl_sdio_device btmrvl_sdio_sd8797 = {
         .helper         = NULL,
         .firmware       = "mrvl/sd8797_uapsta.bin",
         .reg            = &btmrvl_reg_87xx,
+        .support_pscan_win_report = false,
         .sd_blksz_fw_dl = 256,
 };
 
@@ -129,6 +132,7 @@ static const struct btmrvl_sdio_device btmrvl_sdio_sd8897 = {
         .helper         = NULL,
         .firmware       = "mrvl/sd8897_uapsta.bin",
         .reg            = &btmrvl_reg_88xx,
+        .support_pscan_win_report = true,
         .sd_blksz_fw_dl = 256,
 };
 
@@ -1067,6 +1071,7 @@ static int btmrvl_sdio_probe(struct sdio_func *func,
                 card->firmware = data->firmware;
                 card->reg = data->reg;
                 card->sd_blksz_fw_dl = data->sd_blksz_fw_dl;
+                card->support_pscan_win_report = data->support_pscan_win_report;
         }
 
         if (btmrvl_sdio_register_dev(card) < 0) {
diff --git a/drivers/bluetooth/btmrvl_sdio.h b/drivers/bluetooth/btmrvl_sdio.h
index d4dd3b0fa53d..453559f98a75 100644
--- a/drivers/bluetooth/btmrvl_sdio.h
+++ b/drivers/bluetooth/btmrvl_sdio.h
@@ -89,6 +89,7 @@ struct btmrvl_sdio_card {
         const char *helper;
         const char *firmware;
         const struct btmrvl_sdio_card_reg *reg;
+        bool support_pscan_win_report;
         u16 sd_blksz_fw_dl;
         u8 rx_unit;
         struct btmrvl_private *priv;
@@ -98,6 +99,7 @@ struct btmrvl_sdio_device {
         const char *helper;
         const char *firmware;
         const struct btmrvl_sdio_card_reg *reg;
+        const bool support_pscan_win_report;
         u16 sd_blksz_fw_dl;
 };