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

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

Refer commit eb9e749c01 ("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>
This commit is contained in:
Kiran K 2024-10-15 17:57:07 +05:30 committed by Luiz Augusto von Dentz
parent 6d83d955f6
commit d88a8bb8bb
2 changed files with 23 additions and 8 deletions
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28
drivers/bluetooth/btintel.c
View File

@ -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);

3
drivers/bluetooth/btintel.h
View File

@ -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 */