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ng_ubt_intel: Allow to attach to 9260 bluetooth adaptors

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with operational mode firmware.

Sponsored by:	Future Crew LLC
MFC after:	1 month
Reviewed by:	bz
Differential Revision:	https://reviews.freebsd.org/D46734

(cherry picked from commit 19a577ea5cae1238065106de9080cb6f3e66034d)
This commit is contained in:
Vladimir Kondratyev 2024-11-07 02:25:56 +03:00
parent f5b685add0
commit 5ce844d3da
1 changed files with 68 additions and 1 deletions
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69
sys/netgraph/bluetooth/drivers/ubt/ng_ubt_intel.c
View file

@ -6,6 +6,7 @@
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2019, 2021 Vladimir Kondratyev <wulf@FreeBSD.org>
* Copyright (c) 2023 Future Crew LLC.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@ -56,9 +57,13 @@
#include <netgraph/bluetooth/include/ng_ubt.h>
#include <netgraph/bluetooth/drivers/ubt/ng_ubt_var.h>
#define UBT_INTEL_HCICMD_TIMEOUT 2000 /* ms */
#define UBT_INTEL_TLV_IMAGE_TYPE 0x1c
enum {
UBT_INTEL_DEVICE_7260,
UBT_INTEL_DEVICE_8260,
UBT_INTEL_DEVICE_9260,
};
struct ubt_intel_version_rp {
@ -93,6 +98,9 @@ static const STRUCT_USB_HOST_ID ubt_intel_devs[] =
{ USB_VPI(USB_VENDOR_INTEL2, 0x0025, UBT_INTEL_DEVICE_8260) },
{ USB_VPI(USB_VENDOR_INTEL2, 0x0026, UBT_INTEL_DEVICE_8260) },
{ USB_VPI(USB_VENDOR_INTEL2, 0x0029, UBT_INTEL_DEVICE_8260) },
/* Intel Wireless 9260/9560 and successors */
{ USB_VPI(USB_VENDOR_INTEL2, 0x0032, UBT_INTEL_DEVICE_9260) },
{ USB_VPI(USB_VENDOR_INTEL2, 0x0033, UBT_INTEL_DEVICE_9260) },
};
/*
@ -103,7 +111,6 @@ static usb_error_t
ubt_intel_do_hci_request(struct usb_device *udev, uint16_t opcode,
void *resp, uint8_t resp_len)
{
#define UBT_INTEL_HCICMD_TIMEOUT 2000 /* ms */
struct ubt_hci_event_command_compl *evt;
struct ubt_hci_cmd cmd;
usb_error_t error;
@ -128,6 +135,53 @@ exit:
return (error);
}
static uint8_t
ubt_intel_get_img_type(struct usb_device *udev)
{
#define UBT_INTEL_MAX_EVT_SIZE 256
static struct ubt_hci_cmd cmd = {
.opcode = htole16(NG_HCI_OPCODE(NG_HCI_OGF_VENDOR, 0x05)),
.length = 1,
.data = { 0xff },
};
struct ubt_hci_event_command_compl *evt;
usb_error_t error;
uint8_t status, datalen, type, len, img_type = 0;
uint8_t *data;
evt = malloc(UBT_INTEL_MAX_EVT_SIZE, M_TEMP, M_ZERO | M_WAITOK);
evt->header.length =
UBT_INTEL_MAX_EVT_SIZE - sizeof(struct ubt_hci_evhdr);
error = ubt_do_hci_request(udev, &cmd, evt, UBT_INTEL_HCICMD_TIMEOUT);
if (error != USB_ERR_NORMAL_COMPLETION)
goto exit;
datalen = evt->header.length - UBT_HCI_EVENT_COMPL_HEAD_SIZE;
data = evt->data;
status = *data++;
if (status != 0)
goto exit;
datalen--;
while (datalen >= 2) {
type = *data++;
len = *data++;
datalen -= 2;
if (datalen < len)
break;
if (type == UBT_INTEL_TLV_IMAGE_TYPE && len == 1) {
img_type = *data;
break;
}
datalen -= len;
data += len;
}
exit:
free(evt, M_TEMP);
return (img_type);
}
/*
* Probe for a Intel Wireless Bluetooth device.
*/
@ -139,6 +193,7 @@ ubt_intel_probe(device_t dev)
struct ubt_intel_version_rp version;
ng_hci_reset_rp reset;
int error;
uint8_t img_type;
if (uaa->usb_mode != USB_MODE_HOST)
return (ENXIO);
@ -193,6 +248,18 @@ ubt_intel_probe(device_t dev)
return (ENXIO);
break;
case UBT_INTEL_DEVICE_9260:
/*
* Find if the Intel Wireless 9260/9560 device is in bootloader
* mode or is running operational firmware with checking of
* image type byte of "Intel version" HCI command response.
* The value 0x03 identifies the operational firmware.
*/
img_type = ubt_intel_get_img_type(uaa->device);
if (img_type != 0x03)
return (ENXIO);
break;
default:
KASSERT(0 == 1, ("Unknown DRIVER_INFO"));
}