Commit d88a8bb8 authored by Kiran K's avatar Kiran K Committed by Luiz Augusto von Dentz
Browse files

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



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

Refer commit eb9e749c ("Bluetooth: btintel: Allow configuring drive
strength of BRI") for details about DSBR.

Signed-off-by: default avatarKiran K <kiran.k@intel.com>
Signed-off-by: default avatarLuiz Augusto von Dentz <luiz.von.dentz@intel.com>
parent 6d83d955

drivers/bluetooth/btintel.c

+20 −8
Original line number Diff line number Diff line
@@ -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

+3 −0
Original line number Diff line number Diff line
@@ -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 */