Bluetooth: btintel: Add DSBR support for BlazarIW, BlazarU and GaP

Add DSBR support for BlazarIW, BlazarU and Gale Peak2 cores.

Refer commit eb9e749 ("Bluetooth: btintel: Allow configuring drive
strength of BRI") for details about DSBR.

Signed-off-by: Kiran K <kiran.k@intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

Author: kirankrishnappa-intel

drivers/bluetooth/btintel.c

@@ -2747,20 +2747,32 @@ static int btintel_set_dsbr(struct hci_dev *hdev, struct intel_version_tlv *ver)
 
 	struct btintel_dsbr_cmd cmd;
 	struct sk_buff *skb;
+	u32 dsbr, cnvi;
 	u8 status;
-	u32 dsbr;
-	bool apply_dsbr;
 	int err;
 
-	/* DSBR command needs to be sent for BlazarI + B0 step product after
-	 * downloading IML image.
+	cnvi = ver->cnvi_top & 0xfff;
+	/* DSBR command needs to be sent for,
+	 * 1. BlazarI or BlazarIW + B0 step product in IML image.
+	 * 2. Gale Peak2 or BlazarU in OP image.
 	 */
-	apply_dsbr = (ver->img_type == BTINTEL_IMG_IML &&
-		((ver->cnvi_top & 0xfff) == BTINTEL_CNVI_BLAZARI) &&
-		INTEL_CNVX_TOP_STEP(ver->cnvi_top) == 0x01);
 
-	if (!apply_dsbr)
+	switch (cnvi) {
+	case BTINTEL_CNVI_BLAZARI:
+	case BTINTEL_CNVI_BLAZARIW:
+		if (ver->img_type == BTINTEL_IMG_IML &&
+		    INTEL_CNVX_TOP_STEP(ver->cnvi_top) == 0x01)
+			break;
+		return 0;
+	case BTINTEL_CNVI_GAP:
+	case BTINTEL_CNVI_BLAZARU:
+		if (ver->img_type == BTINTEL_IMG_OP &&
+		    hdev->bus == HCI_USB)
+			break;
 		return 0;
+	default:
+		return 0;
+	}
 
 	dsbr = 0;
 	err = btintel_uefi_get_dsbr(&dsbr);

drivers/bluetooth/btintel.h

@@ -53,6 +53,9 @@ struct intel_tlv {
 } __packed;
 
 #define BTINTEL_CNVI_BLAZARI		0x900
+#define BTINTEL_CNVI_BLAZARIW		0x901
+#define BTINTEL_CNVI_GAP		0x910
+#define BTINTEL_CNVI_BLAZARU		0x930
 
 #define BTINTEL_IMG_BOOTLOADER		0x01	/* Bootloader image */
 #define BTINTEL_IMG_IML			0x02	/* Intermediate image */