From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/drivers/bluetooth/btusb.c | 1502 ++++++++++++++++++++++++++++++++++++++++++++++++++-------
1 files changed, 1,309 insertions(+), 193 deletions(-)
diff --git a/kernel/drivers/bluetooth/btusb.c b/kernel/drivers/bluetooth/btusb.c
index 7188f0f..f99d190 100644
--- a/kernel/drivers/bluetooth/btusb.c
+++ b/kernel/drivers/bluetooth/btusb.c
@@ -1,24 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
*
* Generic Bluetooth USB driver
*
* Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org>
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
*/
#include <linux/dmi.h>
@@ -26,9 +11,11 @@
#include <linux/usb.h>
#include <linux/usb/quirks.h>
#include <linux/firmware.h>
+#include <linux/iopoll.h>
#include <linux/of_device.h>
#include <linux/of_irq.h>
#include <linux/suspend.h>
+#include <linux/gpio/consumer.h>
#include <asm/unaligned.h>
#include <net/bluetooth/bluetooth.h>
@@ -69,6 +56,10 @@
#define BTUSB_BCM2045 0x40000
#define BTUSB_IFNUM_2 0x80000
#define BTUSB_CW6622 0x100000
+#define BTUSB_MEDIATEK 0x200000
+#define BTUSB_WIDEBAND_SPEECH 0x400000
+#define BTUSB_VALID_LE_STATES 0x800000
+#define BTUSB_QCA_WCN6855 0x1000000
static const struct usb_device_id btusb_table[] = {
/* Generic Bluetooth USB device */
@@ -264,22 +255,48 @@
{ USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
/* QCA ROME chipset */
- { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME },
- { USB_DEVICE(0x0cf3, 0xe009), .driver_info = BTUSB_QCA_ROME },
- { USB_DEVICE(0x0cf3, 0xe010), .driver_info = BTUSB_QCA_ROME },
- { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME },
- { USB_DEVICE(0x0cf3, 0xe301), .driver_info = BTUSB_QCA_ROME },
- { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME },
- { USB_DEVICE(0x0489, 0xe092), .driver_info = BTUSB_QCA_ROME },
- { USB_DEVICE(0x0489, 0xe09f), .driver_info = BTUSB_QCA_ROME },
- { USB_DEVICE(0x0489, 0xe0a2), .driver_info = BTUSB_QCA_ROME },
- { USB_DEVICE(0x04ca, 0x3011), .driver_info = BTUSB_QCA_ROME },
- { USB_DEVICE(0x04ca, 0x3015), .driver_info = BTUSB_QCA_ROME },
- { USB_DEVICE(0x04ca, 0x3016), .driver_info = BTUSB_QCA_ROME },
- { USB_DEVICE(0x04ca, 0x301a), .driver_info = BTUSB_QCA_ROME },
- { USB_DEVICE(0x13d3, 0x3491), .driver_info = BTUSB_QCA_ROME },
- { USB_DEVICE(0x13d3, 0x3496), .driver_info = BTUSB_QCA_ROME },
- { USB_DEVICE(0x13d3, 0x3501), .driver_info = BTUSB_QCA_ROME },
+ { USB_DEVICE(0x0cf3, 0x535b), .driver_info = BTUSB_QCA_ROME |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x0cf3, 0xe009), .driver_info = BTUSB_QCA_ROME |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x0cf3, 0xe010), .driver_info = BTUSB_QCA_ROME |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x0cf3, 0xe301), .driver_info = BTUSB_QCA_ROME |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x0cf3, 0xe500), .driver_info = BTUSB_QCA_ROME |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x0489, 0xe092), .driver_info = BTUSB_QCA_ROME |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x0489, 0xe09f), .driver_info = BTUSB_QCA_ROME |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x0489, 0xe0a2), .driver_info = BTUSB_QCA_ROME |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x04ca, 0x3011), .driver_info = BTUSB_QCA_ROME |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x04ca, 0x3015), .driver_info = BTUSB_QCA_ROME |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x04ca, 0x3016), .driver_info = BTUSB_QCA_ROME |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x04ca, 0x301a), .driver_info = BTUSB_QCA_ROME |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x04ca, 0x3021), .driver_info = BTUSB_QCA_ROME |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x13d3, 0x3491), .driver_info = BTUSB_QCA_ROME |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x13d3, 0x3496), .driver_info = BTUSB_QCA_ROME |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x13d3, 0x3501), .driver_info = BTUSB_QCA_ROME |
+ BTUSB_WIDEBAND_SPEECH },
+
+ /* QCA WCN6855 chipset */
+ { USB_DEVICE(0x0cf3, 0xe600), .driver_info = BTUSB_QCA_WCN6855 |
+ BTUSB_WIDEBAND_SPEECH },
/* Broadcom BCM2035 */
{ USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
@@ -343,23 +360,84 @@
{ USB_DEVICE(0x1286, 0x204e), .driver_info = BTUSB_MARVELL },
/* Intel Bluetooth devices */
- { USB_DEVICE(0x8087, 0x0025), .driver_info = BTUSB_INTEL_NEW },
- { USB_DEVICE(0x8087, 0x0026), .driver_info = BTUSB_INTEL_NEW },
- { USB_DEVICE(0x8087, 0x0029), .driver_info = BTUSB_INTEL_NEW },
+ { USB_DEVICE(0x8087, 0x0025), .driver_info = BTUSB_INTEL_NEW |
+ BTUSB_WIDEBAND_SPEECH |
+ BTUSB_VALID_LE_STATES },
+ { USB_DEVICE(0x8087, 0x0026), .driver_info = BTUSB_INTEL_NEW |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x8087, 0x0029), .driver_info = BTUSB_INTEL_NEW |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x8087, 0x0032), .driver_info = BTUSB_INTEL_NEW |
+ BTUSB_WIDEBAND_SPEECH},
{ USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR },
{ USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL },
{ USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL },
- { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_NEW },
- { USB_DEVICE(0x8087, 0x0aa7), .driver_info = BTUSB_INTEL },
- { USB_DEVICE(0x8087, 0x0aaa), .driver_info = BTUSB_INTEL_NEW },
+ { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_NEW |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x8087, 0x0aa7), .driver_info = BTUSB_INTEL |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x8087, 0x0aaa), .driver_info = BTUSB_INTEL_NEW |
+ BTUSB_WIDEBAND_SPEECH |
+ BTUSB_VALID_LE_STATES },
+ { USB_DEVICE(0x10ab, 0x9309), .driver_info = BTUSB_QCA_WCN6855 |
+ BTUSB_WIDEBAND_SPEECH |
+ BTUSB_VALID_LE_STATES },
+ { USB_DEVICE(0x10ab, 0x9409), .driver_info = BTUSB_QCA_WCN6855 |
+ BTUSB_WIDEBAND_SPEECH |
+ BTUSB_VALID_LE_STATES },
+ { USB_DEVICE(0x0489, 0xe0d0), .driver_info = BTUSB_QCA_WCN6855 |
+ BTUSB_WIDEBAND_SPEECH |
+ BTUSB_VALID_LE_STATES },
/* Other Intel Bluetooth devices */
{ USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01),
.driver_info = BTUSB_IGNORE },
+ /* Realtek 8821CE Bluetooth devices */
+ { USB_DEVICE(0x13d3, 0x3529), .driver_info = BTUSB_REALTEK |
+ BTUSB_WIDEBAND_SPEECH },
+
+ /* Realtek 8822CE Bluetooth devices */
+ { USB_DEVICE(0x0bda, 0xb00c), .driver_info = BTUSB_REALTEK |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x0bda, 0xc822), .driver_info = BTUSB_REALTEK |
+ BTUSB_WIDEBAND_SPEECH },
+
+ /* Realtek 8852CE Bluetooth devices */
+ { USB_DEVICE(0x04ca, 0x4007), .driver_info = BTUSB_REALTEK |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x04c5, 0x1675), .driver_info = BTUSB_REALTEK |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x0cb8, 0xc558), .driver_info = BTUSB_REALTEK |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x13d3, 0x3587), .driver_info = BTUSB_REALTEK |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x13d3, 0x3586), .driver_info = BTUSB_REALTEK |
+ BTUSB_WIDEBAND_SPEECH },
+
/* Realtek Bluetooth devices */
{ USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
.driver_info = BTUSB_REALTEK },
+
+ /* MediaTek Bluetooth devices */
+ { USB_VENDOR_AND_INTERFACE_INFO(0x0e8d, 0xe0, 0x01, 0x01),
+ .driver_info = BTUSB_MEDIATEK |
+ BTUSB_WIDEBAND_SPEECH |
+ BTUSB_VALID_LE_STATES },
+
+ /* MediaTek MT7922A Bluetooth devices */
+ { USB_DEVICE(0x0489, 0xe0d8), .driver_info = BTUSB_MEDIATEK |
+ BTUSB_WIDEBAND_SPEECH |
+ BTUSB_VALID_LE_STATES },
+ { USB_DEVICE(0x0489, 0xe0d9), .driver_info = BTUSB_MEDIATEK |
+ BTUSB_WIDEBAND_SPEECH |
+ BTUSB_VALID_LE_STATES },
+ { USB_DEVICE(0x0489, 0xe0f5), .driver_info = BTUSB_MEDIATEK |
+ BTUSB_WIDEBAND_SPEECH |
+ BTUSB_VALID_LE_STATES },
+ { USB_DEVICE(0x13d3, 0x3568), .driver_info = BTUSB_MEDIATEK |
+ BTUSB_WIDEBAND_SPEECH |
+ BTUSB_VALID_LE_STATES },
/* Additional Realtek 8723AE Bluetooth devices */
{ USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK },
@@ -393,6 +471,7 @@
/* Additional Realtek 8822CE Bluetooth devices */
{ USB_DEVICE(0x04ca, 0x4005), .driver_info = BTUSB_REALTEK },
+ { USB_DEVICE(0x13d3, 0x3548), .driver_info = BTUSB_REALTEK },
/* Silicon Wave based devices */
{ USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE },
@@ -443,6 +522,10 @@
#define BTUSB_BOOTING 9
#define BTUSB_DIAG_RUNNING 10
#define BTUSB_OOB_WAKE_ENABLED 11
+#define BTUSB_HW_RESET_ACTIVE 12
+#define BTUSB_TX_WAIT_VND_EVT 13
+#define BTUSB_WAKEUP_DISABLE 14
+#define BTUSB_USE_ALT3_FOR_WBS 15
struct btusb_data {
struct hci_dev *hdev;
@@ -466,6 +549,7 @@
struct usb_anchor bulk_anchor;
struct usb_anchor isoc_anchor;
struct usb_anchor diag_anchor;
+ struct usb_anchor ctrl_anchor;
spinlock_t rxlock;
struct sk_buff *evt_skb;
@@ -480,10 +564,14 @@
struct usb_endpoint_descriptor *diag_tx_ep;
struct usb_endpoint_descriptor *diag_rx_ep;
+ struct gpio_desc *reset_gpio;
+
__u8 cmdreq_type;
__u8 cmdreq;
unsigned int sco_num;
+ unsigned int air_mode;
+ bool usb_alt6_packet_flow;
int isoc_altsetting;
int suspend_count;
@@ -493,7 +581,86 @@
int (*setup_on_usb)(struct hci_dev *hdev);
int oob_wake_irq; /* irq for out-of-band wake-on-bt */
+ unsigned cmd_timeout_cnt;
};
+
+static void btusb_intel_cmd_timeout(struct hci_dev *hdev)
+{
+ struct btusb_data *data = hci_get_drvdata(hdev);
+ struct gpio_desc *reset_gpio = data->reset_gpio;
+
+ if (++data->cmd_timeout_cnt < 5)
+ return;
+
+ if (!reset_gpio) {
+ bt_dev_err(hdev, "No way to reset. Ignoring and continuing");
+ return;
+ }
+
+ /*
+ * Toggle the hard reset line if the platform provides one. The reset
+ * is going to yank the device off the USB and then replug. So doing
+ * once is enough. The cleanup is handled correctly on the way out
+ * (standard USB disconnect), and the new device is detected cleanly
+ * and bound to the driver again like it should be.
+ */
+ if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) {
+ bt_dev_err(hdev, "last reset failed? Not resetting again");
+ return;
+ }
+
+ bt_dev_err(hdev, "Initiating HW reset via gpio");
+ gpiod_set_value_cansleep(reset_gpio, 1);
+ msleep(100);
+ gpiod_set_value_cansleep(reset_gpio, 0);
+}
+
+static void btusb_rtl_cmd_timeout(struct hci_dev *hdev)
+{
+ struct btusb_data *data = hci_get_drvdata(hdev);
+ struct gpio_desc *reset_gpio = data->reset_gpio;
+
+ if (++data->cmd_timeout_cnt < 5)
+ return;
+
+ if (!reset_gpio) {
+ bt_dev_err(hdev, "No gpio to reset Realtek device, ignoring");
+ return;
+ }
+
+ /* Toggle the hard reset line. The Realtek device is going to
+ * yank itself off the USB and then replug. The cleanup is handled
+ * correctly on the way out (standard USB disconnect), and the new
+ * device is detected cleanly and bound to the driver again like
+ * it should be.
+ */
+ if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) {
+ bt_dev_err(hdev, "last reset failed? Not resetting again");
+ return;
+ }
+
+ bt_dev_err(hdev, "Reset Realtek device via gpio");
+ gpiod_set_value_cansleep(reset_gpio, 1);
+ msleep(200);
+ gpiod_set_value_cansleep(reset_gpio, 0);
+}
+
+static void btusb_qca_cmd_timeout(struct hci_dev *hdev)
+{
+ struct btusb_data *data = hci_get_drvdata(hdev);
+ int err;
+
+ if (++data->cmd_timeout_cnt < 5)
+ return;
+
+ bt_dev_err(hdev, "Multiple cmd timeouts seen. Resetting usb device.");
+ /* This is not an unbalanced PM reference since the device will reset */
+ err = usb_autopm_get_interface(data->intf);
+ if (!err)
+ usb_queue_reset_device(data->intf);
+ else
+ bt_dev_err(hdev, "Failed usb_autopm_get_interface with %d", err);
+}
static inline void btusb_free_frags(struct btusb_data *data)
{
@@ -501,13 +668,13 @@
spin_lock_irqsave(&data->rxlock, flags);
- kfree_skb(data->evt_skb);
+ dev_kfree_skb_irq(data->evt_skb);
data->evt_skb = NULL;
- kfree_skb(data->acl_skb);
+ dev_kfree_skb_irq(data->acl_skb);
data->acl_skb = NULL;
- kfree_skb(data->sco_skb);
+ dev_kfree_skb_irq(data->sco_skb);
data->sco_skb = NULL;
spin_unlock_irqrestore(&data->rxlock, flags);
@@ -912,6 +1079,42 @@
}
}
+static inline void __fill_isoc_descriptor_msbc(struct urb *urb, int len,
+ int mtu, struct btusb_data *data)
+{
+ int i, offset = 0;
+ unsigned int interval;
+
+ BT_DBG("len %d mtu %d", len, mtu);
+
+ /* For mSBC ALT 6 setting the host will send the packet at continuous
+ * flow. As per core spec 5, vol 4, part B, table 2.1. For ALT setting
+ * 6 the HCI PACKET INTERVAL should be 7.5ms for every usb packets.
+ * To maintain the rate we send 63bytes of usb packets alternatively for
+ * 7ms and 8ms to maintain the rate as 7.5ms.
+ */
+ if (data->usb_alt6_packet_flow) {
+ interval = 7;
+ data->usb_alt6_packet_flow = false;
+ } else {
+ interval = 6;
+ data->usb_alt6_packet_flow = true;
+ }
+
+ for (i = 0; i < interval; i++) {
+ urb->iso_frame_desc[i].offset = offset;
+ urb->iso_frame_desc[i].length = offset;
+ }
+
+ if (len && i < BTUSB_MAX_ISOC_FRAMES) {
+ urb->iso_frame_desc[i].offset = offset;
+ urb->iso_frame_desc[i].length = len;
+ i++;
+ }
+
+ urb->number_of_packets = i;
+}
+
static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu)
{
int i, offset = 0;
@@ -1143,6 +1346,13 @@
data->intf->needs_remote_wakeup = 1;
+ /* Disable device remote wakeup when host is suspended
+ * For Realtek chips, global suspend without
+ * SET_FEATURE (DEVICE_REMOTE_WAKEUP) can save more power in device.
+ */
+ if (test_bit(BTUSB_WAKEUP_DISABLE, &data->flags))
+ device_wakeup_disable(&data->udev->dev);
+
if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
goto done;
@@ -1181,6 +1391,7 @@
usb_kill_anchored_urbs(&data->bulk_anchor);
usb_kill_anchored_urbs(&data->isoc_anchor);
usb_kill_anchored_urbs(&data->diag_anchor);
+ usb_kill_anchored_urbs(&data->ctrl_anchor);
}
static int btusb_close(struct hci_dev *hdev)
@@ -1206,6 +1417,11 @@
goto failed;
data->intf->needs_remote_wakeup = 0;
+
+ /* Enable remote wake up for auto-suspend */
+ if (test_bit(BTUSB_WAKEUP_DISABLE, &data->flags))
+ data->intf->needs_remote_wakeup = 1;
+
usb_autopm_put_interface(data->intf);
failed:
@@ -1302,9 +1518,13 @@
urb->transfer_flags = URB_ISO_ASAP;
- __fill_isoc_descriptor(urb, skb->len,
- le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
-
+ if (data->isoc_altsetting == 6)
+ __fill_isoc_descriptor_msbc(urb, skb->len,
+ le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize),
+ data);
+ else
+ __fill_isoc_descriptor(urb, skb->len,
+ le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
skb->dev = (void *)hdev;
return urb;
@@ -1400,6 +1620,7 @@
if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) {
data->sco_num = hci_conn_num(hdev, SCO_LINK);
+ data->air_mode = evt;
schedule_work(&data->work);
}
}
@@ -1447,11 +1668,70 @@
return 0;
}
+static int btusb_switch_alt_setting(struct hci_dev *hdev, int new_alts)
+{
+ struct btusb_data *data = hci_get_drvdata(hdev);
+ int err;
+
+ if (data->isoc_altsetting != new_alts) {
+ unsigned long flags;
+
+ clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
+ usb_kill_anchored_urbs(&data->isoc_anchor);
+
+ /* When isochronous alternate setting needs to be
+ * changed, because SCO connection has been added
+ * or removed, a packet fragment may be left in the
+ * reassembling state. This could lead to wrongly
+ * assembled fragments.
+ *
+ * Clear outstanding fragment when selecting a new
+ * alternate setting.
+ */
+ spin_lock_irqsave(&data->rxlock, flags);
+ dev_kfree_skb_irq(data->sco_skb);
+ data->sco_skb = NULL;
+ spin_unlock_irqrestore(&data->rxlock, flags);
+
+ err = __set_isoc_interface(hdev, new_alts);
+ if (err < 0)
+ return err;
+ }
+
+ if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
+ if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
+ clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
+ else
+ btusb_submit_isoc_urb(hdev, GFP_KERNEL);
+ }
+
+ return 0;
+}
+
+static struct usb_host_interface *btusb_find_altsetting(struct btusb_data *data,
+ int alt)
+{
+ struct usb_interface *intf = data->isoc;
+ int i;
+
+ BT_DBG("Looking for Alt no :%d", alt);
+
+ if (!intf)
+ return NULL;
+
+ for (i = 0; i < intf->num_altsetting; i++) {
+ if (intf->altsetting[i].desc.bAlternateSetting == alt)
+ return &intf->altsetting[i];
+ }
+
+ return NULL;
+}
+
static void btusb_work(struct work_struct *work)
{
struct btusb_data *data = container_of(work, struct btusb_data, work);
struct hci_dev *hdev = data->hdev;
- int new_alts;
+ int new_alts = 0;
int err;
if (data->sco_num > 0) {
@@ -1466,44 +1746,36 @@
set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
}
- if (hdev->voice_setting & 0x0020) {
- static const int alts[3] = { 2, 4, 5 };
+ if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_CVSD) {
+ if (hdev->voice_setting & 0x0020) {
+ static const int alts[3] = { 2, 4, 5 };
- new_alts = alts[data->sco_num - 1];
- } else {
- new_alts = data->sco_num;
- }
-
- if (data->isoc_altsetting != new_alts) {
- unsigned long flags;
-
- clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
- usb_kill_anchored_urbs(&data->isoc_anchor);
-
- /* When isochronous alternate setting needs to be
- * changed, because SCO connection has been added
- * or removed, a packet fragment may be left in the
- * reassembling state. This could lead to wrongly
- * assembled fragments.
- *
- * Clear outstanding fragment when selecting a new
- * alternate setting.
+ new_alts = alts[data->sco_num - 1];
+ } else {
+ new_alts = data->sco_num;
+ }
+ } else if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_TRANSP) {
+ /* Bluetooth USB spec recommends alt 6 (63 bytes), but
+ * many adapters do not support it. Alt 1 appears to
+ * work for all adapters that do not have alt 6, and
+ * which work with WBS at all. Some devices prefer
+ * alt 3 (HCI payload >= 60 Bytes let air packet
+ * data satisfy 60 bytes), requiring
+ * MTU >= 3 (packets) * 25 (size) - 3 (headers) = 72
+ * see also Core spec 5, vol 4, B 2.1.1 & Table 2.1.
*/
- spin_lock_irqsave(&data->rxlock, flags);
- kfree_skb(data->sco_skb);
- data->sco_skb = NULL;
- spin_unlock_irqrestore(&data->rxlock, flags);
-
- if (__set_isoc_interface(hdev, new_alts) < 0)
- return;
- }
-
- if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
- if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
- clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
+ if (btusb_find_altsetting(data, 6))
+ new_alts = 6;
+ else if (btusb_find_altsetting(data, 3) &&
+ hdev->sco_mtu >= 72 &&
+ test_bit(BTUSB_USE_ALT3_FOR_WBS, &data->flags))
+ new_alts = 3;
else
- btusb_submit_isoc_urb(hdev, GFP_KERNEL);
+ new_alts = 1;
}
+
+ if (btusb_switch_alt_setting(hdev, new_alts) < 0)
+ bt_dev_err(hdev, "set USB alt:(%d) failed!", new_alts);
} else {
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
usb_kill_anchored_urbs(&data->isoc_anchor);
@@ -1544,8 +1816,11 @@
static int btusb_setup_csr(struct hci_dev *hdev)
{
+ struct btusb_data *data = hci_get_drvdata(hdev);
+ u16 bcdDevice = le16_to_cpu(data->udev->descriptor.bcdDevice);
struct hci_rp_read_local_version *rp;
struct sk_buff *skb;
+ bool is_fake = false;
BT_DBG("%s", hdev->name);
@@ -1565,18 +1840,80 @@
rp = (struct hci_rp_read_local_version *)skb->data;
- /* Detect controllers which aren't real CSR ones. */
+ bt_dev_info(hdev, "CSR: Setting up dongle with HCI ver=%u rev=%04x; LMP ver=%u subver=%04x; manufacturer=%u",
+ le16_to_cpu(rp->hci_ver), le16_to_cpu(rp->hci_rev),
+ le16_to_cpu(rp->lmp_ver), le16_to_cpu(rp->lmp_subver),
+ le16_to_cpu(rp->manufacturer));
+
+ /* Detect a wide host of Chinese controllers that aren't CSR.
+ *
+ * Known fake bcdDevices: 0x0100, 0x0134, 0x1915, 0x2520, 0x7558, 0x8891
+ *
+ * The main thing they have in common is that these are really popular low-cost
+ * options that support newer Bluetooth versions but rely on heavy VID/PID
+ * squatting of this poor old Bluetooth 1.1 device. Even sold as such.
+ *
+ * We detect actual CSR devices by checking that the HCI manufacturer code
+ * is Cambridge Silicon Radio (10) and ensuring that LMP sub-version and
+ * HCI rev values always match. As they both store the firmware number.
+ */
if (le16_to_cpu(rp->manufacturer) != 10 ||
- le16_to_cpu(rp->lmp_subver) == 0x0c5c) {
+ le16_to_cpu(rp->hci_rev) != le16_to_cpu(rp->lmp_subver))
+ is_fake = true;
+
+ /* Known legit CSR firmware build numbers and their supported BT versions:
+ * - 1.1 (0x1) -> 0x0073, 0x020d, 0x033c, 0x034e
+ * - 1.2 (0x2) -> 0x04d9, 0x0529
+ * - 2.0 (0x3) -> 0x07a6, 0x07ad, 0x0c5c
+ * - 2.1 (0x4) -> 0x149c, 0x1735, 0x1899 (0x1899 is a BlueCore4-External)
+ * - 4.0 (0x6) -> 0x1d86, 0x2031, 0x22bb
+ *
+ * e.g. Real CSR dongles with LMP subversion 0x73 are old enough that
+ * support BT 1.1 only; so it's a dead giveaway when some
+ * third-party BT 4.0 dongle reuses it.
+ */
+ else if (le16_to_cpu(rp->lmp_subver) <= 0x034e &&
+ le16_to_cpu(rp->hci_ver) > BLUETOOTH_VER_1_1)
+ is_fake = true;
+
+ else if (le16_to_cpu(rp->lmp_subver) <= 0x0529 &&
+ le16_to_cpu(rp->hci_ver) > BLUETOOTH_VER_1_2)
+ is_fake = true;
+
+ else if (le16_to_cpu(rp->lmp_subver) <= 0x0c5c &&
+ le16_to_cpu(rp->hci_ver) > BLUETOOTH_VER_2_0)
+ is_fake = true;
+
+ else if (le16_to_cpu(rp->lmp_subver) <= 0x1899 &&
+ le16_to_cpu(rp->hci_ver) > BLUETOOTH_VER_2_1)
+ is_fake = true;
+
+ else if (le16_to_cpu(rp->lmp_subver) <= 0x22bb &&
+ le16_to_cpu(rp->hci_ver) > BLUETOOTH_VER_4_0)
+ is_fake = true;
+
+ /* Other clones which beat all the above checks */
+ else if (bcdDevice == 0x0134 &&
+ le16_to_cpu(rp->lmp_subver) == 0x0c5c &&
+ le16_to_cpu(rp->hci_ver) == BLUETOOTH_VER_2_0)
+ is_fake = true;
+
+ if (is_fake) {
+ bt_dev_warn(hdev, "CSR: Unbranded CSR clone detected; adding workarounds...");
+
+ /* Generally these clones have big discrepancies between
+ * advertised features and what's actually supported.
+ * Probably will need to be expanded in the future;
+ * without these the controller will lock up.
+ */
+ set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
+ set_bit(HCI_QUIRK_BROKEN_ERR_DATA_REPORTING, &hdev->quirks);
+
/* Clear the reset quirk since this is not an actual
* early Bluetooth 1.1 device from CSR.
*/
clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
-
- /* These fake CSR controllers have all a broken
- * stored link key handling and so just disable it.
- */
- set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
+ clear_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
}
kfree_skb(skb);
@@ -1854,7 +2191,14 @@
if (err)
return err;
- bt_dev_info(hdev, "Intel firmware patch completed and activated");
+ /* Need build number for downloaded fw patches in
+ * every power-on boot
+ */
+ err = btintel_read_version(hdev, &ver);
+ if (err)
+ return err;
+ bt_dev_info(hdev, "Intel BT fw patch 0x%02x completed & activated",
+ ver.fw_patch_num);
goto complete;
@@ -1936,10 +2280,8 @@
if (len != sizeof(*evt))
return;
- if (test_and_clear_bit(BTUSB_BOOTING, &data->flags)) {
- smp_mb__after_atomic();
+ if (test_and_clear_bit(BTUSB_BOOTING, &data->flags))
wake_up_bit(&data->flags, BTUSB_BOOTING);
- }
}
static void btusb_intel_secure_send_result(struct btusb_data *data,
@@ -1954,10 +2296,8 @@
set_bit(BTUSB_FIRMWARE_FAILED, &data->flags);
if (test_and_clear_bit(BTUSB_DOWNLOADING, &data->flags) &&
- test_bit(BTUSB_FIRMWARE_LOADED, &data->flags)) {
- smp_mb__after_atomic();
+ test_bit(BTUSB_FIRMWARE_LOADED, &data->flags))
wake_up_bit(&data->flags, BTUSB_DOWNLOADING);
- }
}
static int btusb_recv_event_intel(struct hci_dev *hdev, struct sk_buff *skb)
@@ -2085,42 +2425,25 @@
return true;
}
-static int btusb_setup_intel_new(struct hci_dev *hdev)
+static int btusb_intel_download_firmware(struct hci_dev *hdev,
+ struct intel_version *ver,
+ struct intel_boot_params *params,
+ u32 *boot_param)
{
- struct btusb_data *data = hci_get_drvdata(hdev);
- struct intel_version ver;
- struct intel_boot_params params;
const struct firmware *fw;
- u32 boot_param;
char fwname[64];
- ktime_t calltime, delta, rettime;
- unsigned long long duration;
int err;
+ struct btusb_data *data = hci_get_drvdata(hdev);
- BT_DBG("%s", hdev->name);
-
- /* Set the default boot parameter to 0x0 and it is updated to
- * SKU specific boot parameter after reading Intel_Write_Boot_Params
- * command while downloading the firmware.
- */
- boot_param = 0x00000000;
-
- calltime = ktime_get();
-
- /* Read the Intel version information to determine if the device
- * is in bootloader mode or if it already has operational firmware
- * loaded.
- */
- err = btintel_read_version(hdev, &ver);
- if (err)
- return err;
+ if (!ver || !params)
+ return -EINVAL;
/* The hardware platform number has a fixed value of 0x37 and
* for now only accept this single value.
*/
- if (ver.hw_platform != 0x37) {
+ if (ver->hw_platform != 0x37) {
bt_dev_err(hdev, "Unsupported Intel hardware platform (%u)",
- ver.hw_platform);
+ ver->hw_platform);
return -EINVAL;
}
@@ -2130,7 +2453,7 @@
* This check has been put in place to ensure correct forward
* compatibility options when newer hardware variants come along.
*/
- switch (ver.hw_variant) {
+ switch (ver->hw_variant) {
case 0x0b: /* SfP */
case 0x0c: /* WsP */
case 0x11: /* JfP */
@@ -2140,11 +2463,11 @@
break;
default:
bt_dev_err(hdev, "Unsupported Intel hardware variant (%u)",
- ver.hw_variant);
+ ver->hw_variant);
return -EINVAL;
}
- btintel_version_info(hdev, &ver);
+ btintel_version_info(hdev, ver);
/* The firmware variant determines if the device is in bootloader
* mode or is running operational firmware. The value 0x06 identifies
@@ -2159,7 +2482,7 @@
* It is not possible to use the Secure Boot Parameters in this
* case since that command is only available in bootloader mode.
*/
- if (ver.fw_variant == 0x23) {
+ if (ver->fw_variant == 0x23) {
clear_bit(BTUSB_BOOTLOADER, &data->flags);
btintel_check_bdaddr(hdev);
return 0;
@@ -2168,16 +2491,16 @@
/* If the device is not in bootloader mode, then the only possible
* choice is to return an error and abort the device initialization.
*/
- if (ver.fw_variant != 0x06) {
+ if (ver->fw_variant != 0x06) {
bt_dev_err(hdev, "Unsupported Intel firmware variant (%u)",
- ver.fw_variant);
+ ver->fw_variant);
return -ENODEV;
}
/* Read the secure boot parameters to identify the operating
* details of the bootloader.
*/
- err = btintel_read_boot_params(hdev, ¶ms);
+ err = btintel_read_boot_params(hdev, params);
if (err)
return err;
@@ -2185,16 +2508,16 @@
* with a command complete event. If the boot parameters indicate
* that this bootloader does not send them, then abort the setup.
*/
- if (params.limited_cce != 0x00) {
+ if (params->limited_cce != 0x00) {
bt_dev_err(hdev, "Unsupported Intel firmware loading method (%u)",
- params.limited_cce);
+ params->limited_cce);
return -EINVAL;
}
/* If the OTP has no valid Bluetooth device address, then there will
* also be no valid address for the operational firmware.
*/
- if (!bacmp(¶ms.otp_bdaddr, BDADDR_ANY)) {
+ if (!bacmp(¶ms->otp_bdaddr, BDADDR_ANY)) {
bt_dev_info(hdev, "No device address configured");
set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
}
@@ -2220,7 +2543,7 @@
* ibt-<hw_variant>-<hw_revision>-<fw_revision>.sfi.
*
*/
- err = btusb_setup_intel_new_get_fw_name(&ver, ¶ms, fwname,
+ err = btusb_setup_intel_new_get_fw_name(ver, params, fwname,
sizeof(fwname), "sfi");
if (!err) {
bt_dev_err(hdev, "Unsupported Intel firmware naming");
@@ -2235,16 +2558,6 @@
bt_dev_info(hdev, "Found device firmware: %s", fwname);
- /* Save the DDC file name for later use to apply once the firmware
- * downloading is done.
- */
- err = btusb_setup_intel_new_get_fw_name(&ver, ¶ms, fwname,
- sizeof(fwname), "ddc");
- if (!err) {
- bt_dev_err(hdev, "Unsupported Intel firmware naming");
- return -EINVAL;
- }
-
if (fw->size < 644) {
bt_dev_err(hdev, "Invalid size of firmware file (%zu)",
fw->size);
@@ -2255,10 +2568,14 @@
set_bit(BTUSB_DOWNLOADING, &data->flags);
/* Start firmware downloading and get boot parameter */
- err = btintel_download_firmware(hdev, fw, &boot_param);
- if (err < 0)
+ err = btintel_download_firmware(hdev, fw, boot_param);
+ if (err < 0) {
+ /* When FW download fails, send Intel Reset to retry
+ * FW download.
+ */
+ btintel_reset_to_bootloader(hdev);
goto done;
-
+ }
set_bit(BTUSB_FIRMWARE_LOADED, &data->flags);
bt_dev_info(hdev, "Waiting for firmware download to complete");
@@ -2285,6 +2602,7 @@
if (err) {
bt_dev_err(hdev, "Firmware loading timeout");
err = -ETIMEDOUT;
+ btintel_reset_to_bootloader(hdev);
goto done;
}
@@ -2294,25 +2612,68 @@
goto done;
}
+done:
+ release_firmware(fw);
+ return err;
+}
+
+static int btusb_setup_intel_new(struct hci_dev *hdev)
+{
+ struct btusb_data *data = hci_get_drvdata(hdev);
+ struct intel_version ver;
+ struct intel_boot_params params;
+ u32 boot_param;
+ char ddcname[64];
+ ktime_t calltime, delta, rettime;
+ unsigned long long duration;
+ int err;
+ struct intel_debug_features features;
+
+ BT_DBG("%s", hdev->name);
+
+ /* Set the default boot parameter to 0x0 and it is updated to
+ * SKU specific boot parameter after reading Intel_Write_Boot_Params
+ * command while downloading the firmware.
+ */
+ boot_param = 0x00000000;
+
+ calltime = ktime_get();
+
+ /* Read the Intel version information to determine if the device
+ * is in bootloader mode or if it already has operational firmware
+ * loaded.
+ */
+ err = btintel_read_version(hdev, &ver);
+ if (err) {
+ bt_dev_err(hdev, "Intel Read version failed (%d)", err);
+ btintel_reset_to_bootloader(hdev);
+ return err;
+ }
+
+ err = btusb_intel_download_firmware(hdev, &ver, ¶ms, &boot_param);
+ if (err)
+ return err;
+
+ /* controller is already having an operational firmware */
+ if (ver.fw_variant == 0x23)
+ goto finish;
+
rettime = ktime_get();
delta = ktime_sub(rettime, calltime);
duration = (unsigned long long) ktime_to_ns(delta) >> 10;
bt_dev_info(hdev, "Firmware loaded in %llu usecs", duration);
-done:
- release_firmware(fw);
-
- if (err < 0)
- return err;
-
calltime = ktime_get();
set_bit(BTUSB_BOOTING, &data->flags);
err = btintel_send_intel_reset(hdev, boot_param);
- if (err)
+ if (err) {
+ bt_dev_err(hdev, "Intel Soft Reset failed (%d)", err);
+ btintel_reset_to_bootloader(hdev);
return err;
+ }
/* The bootloader will not indicate when the device is ready. This
* is done by the operational firmware sending bootup notification.
@@ -2334,6 +2695,7 @@
if (err) {
bt_dev_err(hdev, "Device boot timeout");
+ btintel_reset_to_bootloader(hdev);
return -ETIMEDOUT;
}
@@ -2345,13 +2707,45 @@
clear_bit(BTUSB_BOOTLOADER, &data->flags);
- /* Once the device is running in operational mode, it needs to apply
- * the device configuration (DDC) parameters.
- *
- * The device can work without DDC parameters, so even if it fails
- * to load the file, no need to fail the setup.
+ err = btusb_setup_intel_new_get_fw_name(&ver, ¶ms, ddcname,
+ sizeof(ddcname), "ddc");
+
+ if (!err) {
+ bt_dev_err(hdev, "Unsupported Intel firmware naming");
+ } else {
+ /* Once the device is running in operational mode, it needs to
+ * apply the device configuration (DDC) parameters.
+ *
+ * The device can work without DDC parameters, so even if it
+ * fails to load the file, no need to fail the setup.
+ */
+ btintel_load_ddc_config(hdev, ddcname);
+ }
+
+ /* Read the Intel supported features and if new exception formats
+ * supported, need to load the additional DDC config to enable.
*/
- btintel_load_ddc_config(hdev, fwname);
+ btintel_read_debug_features(hdev, &features);
+
+ /* Set DDC mask for available debug features */
+ btintel_set_debug_features(hdev, &features);
+
+ /* Read the Intel version information after loading the FW */
+ err = btintel_read_version(hdev, &ver);
+ if (err)
+ return err;
+
+ btintel_version_info(hdev, &ver);
+
+finish:
+ /* All Intel controllers that support the Microsoft vendor
+ * extension are using 0xFC1E for VsMsftOpCode.
+ */
+ switch (ver.hw_variant) {
+ case 0x12: /* ThP */
+ hci_set_msft_opcode(hdev, 0xFC1E);
+ break;
+ }
/* Set the event mask for Intel specific vendor events. This enables
* a few extra events that are useful during general operation. It
@@ -2400,6 +2794,626 @@
return 0;
}
+
+static int btusb_shutdown_intel_new(struct hci_dev *hdev)
+{
+ struct sk_buff *skb;
+
+ /* Send HCI Reset to the controller to stop any BT activity which
+ * were triggered. This will help to save power and maintain the
+ * sync b/w Host and controller
+ */
+ skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ bt_dev_err(hdev, "HCI reset during shutdown failed");
+ return PTR_ERR(skb);
+ }
+ kfree_skb(skb);
+
+ return 0;
+}
+
+#define FIRMWARE_MT7663 "mediatek/mt7663pr2h.bin"
+#define FIRMWARE_MT7668 "mediatek/mt7668pr2h.bin"
+
+#define HCI_WMT_MAX_EVENT_SIZE 64
+
+enum {
+ BTMTK_WMT_PATCH_DWNLD = 0x1,
+ BTMTK_WMT_FUNC_CTRL = 0x6,
+ BTMTK_WMT_RST = 0x7,
+ BTMTK_WMT_SEMAPHORE = 0x17,
+};
+
+enum {
+ BTMTK_WMT_INVALID,
+ BTMTK_WMT_PATCH_UNDONE,
+ BTMTK_WMT_PATCH_PROGRESS,
+ BTMTK_WMT_PATCH_DONE,
+ BTMTK_WMT_ON_UNDONE,
+ BTMTK_WMT_ON_DONE,
+ BTMTK_WMT_ON_PROGRESS,
+};
+
+struct btmtk_wmt_hdr {
+ u8 dir;
+ u8 op;
+ __le16 dlen;
+ u8 flag;
+} __packed;
+
+struct btmtk_hci_wmt_cmd {
+ struct btmtk_wmt_hdr hdr;
+ u8 data[];
+} __packed;
+
+struct btmtk_hci_wmt_evt {
+ struct hci_event_hdr hhdr;
+ struct btmtk_wmt_hdr whdr;
+} __packed;
+
+struct btmtk_hci_wmt_evt_funcc {
+ struct btmtk_hci_wmt_evt hwhdr;
+ __be16 status;
+} __packed;
+
+struct btmtk_tci_sleep {
+ u8 mode;
+ __le16 duration;
+ __le16 host_duration;
+ u8 host_wakeup_pin;
+ u8 time_compensation;
+} __packed;
+
+struct btmtk_hci_wmt_params {
+ u8 op;
+ u8 flag;
+ u16 dlen;
+ const void *data;
+ u32 *status;
+};
+
+static void btusb_mtk_wmt_recv(struct urb *urb)
+{
+ struct hci_dev *hdev = urb->context;
+ struct btusb_data *data = hci_get_drvdata(hdev);
+ struct hci_event_hdr *hdr;
+ struct sk_buff *skb;
+ int err;
+
+ if (urb->status == 0 && urb->actual_length > 0) {
+ hdev->stat.byte_rx += urb->actual_length;
+
+ /* WMT event shouldn't be fragmented and the size should be
+ * less than HCI_WMT_MAX_EVENT_SIZE.
+ */
+ skb = bt_skb_alloc(HCI_WMT_MAX_EVENT_SIZE, GFP_ATOMIC);
+ if (!skb) {
+ hdev->stat.err_rx++;
+ kfree(urb->setup_packet);
+ return;
+ }
+
+ hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
+ skb_put_data(skb, urb->transfer_buffer, urb->actual_length);
+
+ hdr = (void *)skb->data;
+ /* Fix up the vendor event id with 0xff for vendor specific
+ * instead of 0xe4 so that event send via monitoring socket can
+ * be parsed properly.
+ */
+ hdr->evt = 0xff;
+
+ /* When someone waits for the WMT event, the skb is being cloned
+ * and being processed the events from there then.
+ */
+ if (test_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags)) {
+ data->evt_skb = skb_clone(skb, GFP_ATOMIC);
+ if (!data->evt_skb) {
+ kfree_skb(skb);
+ kfree(urb->setup_packet);
+ return;
+ }
+ }
+
+ err = hci_recv_frame(hdev, skb);
+ if (err < 0) {
+ kfree_skb(data->evt_skb);
+ data->evt_skb = NULL;
+ kfree(urb->setup_packet);
+ return;
+ }
+
+ if (test_and_clear_bit(BTUSB_TX_WAIT_VND_EVT,
+ &data->flags)) {
+ /* Barrier to sync with other CPUs */
+ smp_mb__after_atomic();
+ wake_up_bit(&data->flags,
+ BTUSB_TX_WAIT_VND_EVT);
+ }
+ kfree(urb->setup_packet);
+ return;
+ } else if (urb->status == -ENOENT) {
+ /* Avoid suspend failed when usb_kill_urb */
+ return;
+ }
+
+ usb_mark_last_busy(data->udev);
+
+ /* The URB complete handler is still called with urb->actual_length = 0
+ * when the event is not available, so we should keep re-submitting
+ * URB until WMT event returns, Also, It's necessary to wait some time
+ * between the two consecutive control URBs to relax the target device
+ * to generate the event. Otherwise, the WMT event cannot return from
+ * the device successfully.
+ */
+ udelay(500);
+
+ usb_anchor_urb(urb, &data->ctrl_anchor);
+ err = usb_submit_urb(urb, GFP_ATOMIC);
+ if (err < 0) {
+ kfree(urb->setup_packet);
+ /* -EPERM: urb is being killed;
+ * -ENODEV: device got disconnected
+ */
+ if (err != -EPERM && err != -ENODEV)
+ bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
+ urb, -err);
+ usb_unanchor_urb(urb);
+ }
+}
+
+static int btusb_mtk_submit_wmt_recv_urb(struct hci_dev *hdev)
+{
+ struct btusb_data *data = hci_get_drvdata(hdev);
+ struct usb_ctrlrequest *dr;
+ unsigned char *buf;
+ int err, size = 64;
+ unsigned int pipe;
+ struct urb *urb;
+
+ urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!urb)
+ return -ENOMEM;
+
+ dr = kmalloc(sizeof(*dr), GFP_KERNEL);
+ if (!dr) {
+ usb_free_urb(urb);
+ return -ENOMEM;
+ }
+
+ dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_IN;
+ dr->bRequest = 1;
+ dr->wIndex = cpu_to_le16(0);
+ dr->wValue = cpu_to_le16(48);
+ dr->wLength = cpu_to_le16(size);
+
+ buf = kmalloc(size, GFP_KERNEL);
+ if (!buf) {
+ kfree(dr);
+ usb_free_urb(urb);
+ return -ENOMEM;
+ }
+
+ pipe = usb_rcvctrlpipe(data->udev, 0);
+
+ usb_fill_control_urb(urb, data->udev, pipe, (void *)dr,
+ buf, size, btusb_mtk_wmt_recv, hdev);
+
+ urb->transfer_flags |= URB_FREE_BUFFER;
+
+ usb_anchor_urb(urb, &data->ctrl_anchor);
+ err = usb_submit_urb(urb, GFP_KERNEL);
+ if (err < 0) {
+ if (err != -EPERM && err != -ENODEV)
+ bt_dev_err(hdev, "urb %p submission failed (%d)",
+ urb, -err);
+ usb_unanchor_urb(urb);
+ }
+
+ usb_free_urb(urb);
+
+ return err;
+}
+
+static int btusb_mtk_hci_wmt_sync(struct hci_dev *hdev,
+ struct btmtk_hci_wmt_params *wmt_params)
+{
+ struct btusb_data *data = hci_get_drvdata(hdev);
+ struct btmtk_hci_wmt_evt_funcc *wmt_evt_funcc;
+ u32 hlen, status = BTMTK_WMT_INVALID;
+ struct btmtk_hci_wmt_evt *wmt_evt;
+ struct btmtk_hci_wmt_cmd *wc;
+ struct btmtk_wmt_hdr *hdr;
+ int err;
+
+ /* Send the WMT command and wait until the WMT event returns */
+ hlen = sizeof(*hdr) + wmt_params->dlen;
+ if (hlen > 255)
+ return -EINVAL;
+
+ wc = kzalloc(hlen, GFP_KERNEL);
+ if (!wc)
+ return -ENOMEM;
+
+ hdr = &wc->hdr;
+ hdr->dir = 1;
+ hdr->op = wmt_params->op;
+ hdr->dlen = cpu_to_le16(wmt_params->dlen + 1);
+ hdr->flag = wmt_params->flag;
+ memcpy(wc->data, wmt_params->data, wmt_params->dlen);
+
+ set_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
+
+ /* WMT cmd/event doesn't follow up the generic HCI cmd/event handling,
+ * it needs constantly polling control pipe until the host received the
+ * WMT event, thus, we should require to specifically acquire PM counter
+ * on the USB to prevent the interface from entering auto suspended
+ * while WMT cmd/event in progress.
+ */
+ err = usb_autopm_get_interface(data->intf);
+ if (err < 0)
+ goto err_free_wc;
+
+ err = __hci_cmd_send(hdev, 0xfc6f, hlen, wc);
+
+ if (err < 0) {
+ clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
+ usb_autopm_put_interface(data->intf);
+ goto err_free_wc;
+ }
+
+ /* Submit control IN URB on demand to process the WMT event */
+ err = btusb_mtk_submit_wmt_recv_urb(hdev);
+
+ usb_autopm_put_interface(data->intf);
+
+ if (err < 0)
+ return err;
+
+ /* The vendor specific WMT commands are all answered by a vendor
+ * specific event and will have the Command Status or Command
+ * Complete as with usual HCI command flow control.
+ *
+ * After sending the command, wait for BTUSB_TX_WAIT_VND_EVT
+ * state to be cleared. The driver specific event receive routine
+ * will clear that state and with that indicate completion of the
+ * WMT command.
+ */
+ err = wait_on_bit_timeout(&data->flags, BTUSB_TX_WAIT_VND_EVT,
+ TASK_INTERRUPTIBLE, HCI_INIT_TIMEOUT);
+ if (err == -EINTR) {
+ bt_dev_err(hdev, "Execution of wmt command interrupted");
+ clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
+ goto err_free_wc;
+ }
+
+ if (err) {
+ bt_dev_err(hdev, "Execution of wmt command timed out");
+ clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
+ err = -ETIMEDOUT;
+ goto err_free_wc;
+ }
+
+ /* Parse and handle the return WMT event */
+ wmt_evt = (struct btmtk_hci_wmt_evt *)data->evt_skb->data;
+ if (wmt_evt->whdr.op != hdr->op) {
+ bt_dev_err(hdev, "Wrong op received %d expected %d",
+ wmt_evt->whdr.op, hdr->op);
+ err = -EIO;
+ goto err_free_skb;
+ }
+
+ switch (wmt_evt->whdr.op) {
+ case BTMTK_WMT_SEMAPHORE:
+ if (wmt_evt->whdr.flag == 2)
+ status = BTMTK_WMT_PATCH_UNDONE;
+ else
+ status = BTMTK_WMT_PATCH_DONE;
+ break;
+ case BTMTK_WMT_FUNC_CTRL:
+ wmt_evt_funcc = (struct btmtk_hci_wmt_evt_funcc *)wmt_evt;
+ if (be16_to_cpu(wmt_evt_funcc->status) == 0x404)
+ status = BTMTK_WMT_ON_DONE;
+ else if (be16_to_cpu(wmt_evt_funcc->status) == 0x420)
+ status = BTMTK_WMT_ON_PROGRESS;
+ else
+ status = BTMTK_WMT_ON_UNDONE;
+ break;
+ }
+
+ if (wmt_params->status)
+ *wmt_params->status = status;
+
+err_free_skb:
+ kfree_skb(data->evt_skb);
+ data->evt_skb = NULL;
+err_free_wc:
+ kfree(wc);
+ return err;
+}
+
+static int btusb_mtk_setup_firmware(struct hci_dev *hdev, const char *fwname)
+{
+ struct btmtk_hci_wmt_params wmt_params;
+ const struct firmware *fw;
+ const u8 *fw_ptr;
+ size_t fw_size;
+ int err, dlen;
+ u8 flag, param;
+
+ err = request_firmware(&fw, fwname, &hdev->dev);
+ if (err < 0) {
+ bt_dev_err(hdev, "Failed to load firmware file (%d)", err);
+ return err;
+ }
+
+ /* Power on data RAM the firmware relies on. */
+ param = 1;
+ wmt_params.op = BTMTK_WMT_FUNC_CTRL;
+ wmt_params.flag = 3;
+ wmt_params.dlen = sizeof(param);
+ wmt_params.data = ¶m;
+ wmt_params.status = NULL;
+
+ err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
+ if (err < 0) {
+ bt_dev_err(hdev, "Failed to power on data RAM (%d)", err);
+ goto err_release_fw;
+ }
+
+ fw_ptr = fw->data;
+ fw_size = fw->size;
+
+ /* The size of patch header is 30 bytes, should be skip */
+ if (fw_size < 30) {
+ err = -EINVAL;
+ goto err_release_fw;
+ }
+
+ fw_size -= 30;
+ fw_ptr += 30;
+ flag = 1;
+
+ wmt_params.op = BTMTK_WMT_PATCH_DWNLD;
+ wmt_params.status = NULL;
+
+ while (fw_size > 0) {
+ dlen = min_t(int, 250, fw_size);
+
+ /* Tell deivice the position in sequence */
+ if (fw_size - dlen <= 0)
+ flag = 3;
+ else if (fw_size < fw->size - 30)
+ flag = 2;
+
+ wmt_params.flag = flag;
+ wmt_params.dlen = dlen;
+ wmt_params.data = fw_ptr;
+
+ err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
+ if (err < 0) {
+ bt_dev_err(hdev, "Failed to send wmt patch dwnld (%d)",
+ err);
+ goto err_release_fw;
+ }
+
+ fw_size -= dlen;
+ fw_ptr += dlen;
+ }
+
+ wmt_params.op = BTMTK_WMT_RST;
+ wmt_params.flag = 4;
+ wmt_params.dlen = 0;
+ wmt_params.data = NULL;
+ wmt_params.status = NULL;
+
+ /* Activate funciton the firmware providing to */
+ err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
+ if (err < 0) {
+ bt_dev_err(hdev, "Failed to send wmt rst (%d)", err);
+ goto err_release_fw;
+ }
+
+ /* Wait a few moments for firmware activation done */
+ usleep_range(10000, 12000);
+
+err_release_fw:
+ release_firmware(fw);
+
+ return err;
+}
+
+static int btusb_mtk_func_query(struct hci_dev *hdev)
+{
+ struct btmtk_hci_wmt_params wmt_params;
+ int status, err;
+ u8 param = 0;
+
+ /* Query whether the function is enabled */
+ wmt_params.op = BTMTK_WMT_FUNC_CTRL;
+ wmt_params.flag = 4;
+ wmt_params.dlen = sizeof(param);
+ wmt_params.data = ¶m;
+ wmt_params.status = &status;
+
+ err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
+ if (err < 0) {
+ bt_dev_err(hdev, "Failed to query function status (%d)", err);
+ return err;
+ }
+
+ return status;
+}
+
+static int btusb_mtk_reg_read(struct btusb_data *data, u32 reg, u32 *val)
+{
+ int pipe, err, size = sizeof(u32);
+ void *buf;
+
+ buf = kzalloc(size, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ pipe = usb_rcvctrlpipe(data->udev, 0);
+ err = usb_control_msg(data->udev, pipe, 0x63,
+ USB_TYPE_VENDOR | USB_DIR_IN,
+ reg >> 16, reg & 0xffff,
+ buf, size, USB_CTRL_SET_TIMEOUT);
+ if (err < 0)
+ goto err_free_buf;
+
+ *val = get_unaligned_le32(buf);
+
+err_free_buf:
+ kfree(buf);
+
+ return err;
+}
+
+static int btusb_mtk_id_get(struct btusb_data *data, u32 reg, u32 *id)
+{
+ return btusb_mtk_reg_read(data, reg, id);
+}
+
+static int btusb_mtk_setup(struct hci_dev *hdev)
+{
+ struct btusb_data *data = hci_get_drvdata(hdev);
+ struct btmtk_hci_wmt_params wmt_params;
+ ktime_t calltime, delta, rettime;
+ struct btmtk_tci_sleep tci_sleep;
+ unsigned long long duration;
+ struct sk_buff *skb;
+ const char *fwname;
+ int err, status;
+ u32 dev_id;
+ u8 param;
+
+ calltime = ktime_get();
+
+ err = btusb_mtk_id_get(data, 0x80000008, &dev_id);
+ if (err < 0) {
+ bt_dev_err(hdev, "Failed to get device id (%d)", err);
+ return err;
+ }
+
+ switch (dev_id) {
+ case 0x7663:
+ fwname = FIRMWARE_MT7663;
+ break;
+ case 0x7668:
+ fwname = FIRMWARE_MT7668;
+ break;
+ default:
+ bt_dev_err(hdev, "Unsupported support hardware variant (%08x)",
+ dev_id);
+ return -ENODEV;
+ }
+
+ /* Query whether the firmware is already download */
+ wmt_params.op = BTMTK_WMT_SEMAPHORE;
+ wmt_params.flag = 1;
+ wmt_params.dlen = 0;
+ wmt_params.data = NULL;
+ wmt_params.status = &status;
+
+ err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
+ if (err < 0) {
+ bt_dev_err(hdev, "Failed to query firmware status (%d)", err);
+ return err;
+ }
+
+ if (status == BTMTK_WMT_PATCH_DONE) {
+ bt_dev_info(hdev, "firmware already downloaded");
+ goto ignore_setup_fw;
+ }
+
+ /* Setup a firmware which the device definitely requires */
+ err = btusb_mtk_setup_firmware(hdev, fwname);
+ if (err < 0)
+ return err;
+
+ignore_setup_fw:
+ err = readx_poll_timeout(btusb_mtk_func_query, hdev, status,
+ status < 0 || status != BTMTK_WMT_ON_PROGRESS,
+ 2000, 5000000);
+ /* -ETIMEDOUT happens */
+ if (err < 0)
+ return err;
+
+ /* The other errors happen in btusb_mtk_func_query */
+ if (status < 0)
+ return status;
+
+ if (status == BTMTK_WMT_ON_DONE) {
+ bt_dev_info(hdev, "function already on");
+ goto ignore_func_on;
+ }
+
+ /* Enable Bluetooth protocol */
+ param = 1;
+ wmt_params.op = BTMTK_WMT_FUNC_CTRL;
+ wmt_params.flag = 0;
+ wmt_params.dlen = sizeof(param);
+ wmt_params.data = ¶m;
+ wmt_params.status = NULL;
+
+ err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
+ if (err < 0) {
+ bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err);
+ return err;
+ }
+
+ignore_func_on:
+ /* Apply the low power environment setup */
+ tci_sleep.mode = 0x5;
+ tci_sleep.duration = cpu_to_le16(0x640);
+ tci_sleep.host_duration = cpu_to_le16(0x640);
+ tci_sleep.host_wakeup_pin = 0;
+ tci_sleep.time_compensation = 0;
+
+ skb = __hci_cmd_sync(hdev, 0xfc7a, sizeof(tci_sleep), &tci_sleep,
+ HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ bt_dev_err(hdev, "Failed to apply low power setting (%d)", err);
+ return err;
+ }
+ kfree_skb(skb);
+
+ rettime = ktime_get();
+ delta = ktime_sub(rettime, calltime);
+ duration = (unsigned long long)ktime_to_ns(delta) >> 10;
+
+ bt_dev_info(hdev, "Device setup in %llu usecs", duration);
+
+ return 0;
+}
+
+static int btusb_mtk_shutdown(struct hci_dev *hdev)
+{
+ struct btmtk_hci_wmt_params wmt_params;
+ u8 param = 0;
+ int err;
+
+ /* Disable the device */
+ wmt_params.op = BTMTK_WMT_FUNC_CTRL;
+ wmt_params.flag = 0;
+ wmt_params.dlen = sizeof(param);
+ wmt_params.data = ¶m;
+ wmt_params.status = NULL;
+
+ err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
+ if (err < 0) {
+ bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err);
+ return err;
+ }
+
+ return 0;
+}
+
+MODULE_FIRMWARE(FIRMWARE_MT7663);
+MODULE_FIRMWARE(FIRMWARE_MT7668);
#ifdef CONFIG_PM
/* Configure an out-of-band gpio as wake-up pin, if specified in device tree */
@@ -2492,6 +3506,27 @@
return 0;
}
+static int btusb_set_bdaddr_wcn6855(struct hci_dev *hdev,
+ const bdaddr_t *bdaddr)
+{
+ struct sk_buff *skb;
+ u8 buf[6];
+ long ret;
+
+ memcpy(buf, bdaddr, sizeof(bdaddr_t));
+
+ skb = __hci_cmd_sync_ev(hdev, 0xfc14, sizeof(buf), buf,
+ HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ ret = PTR_ERR(skb);
+ bt_dev_err(hdev, "Change address command failed (%ld)", ret);
+ return ret;
+ }
+ kfree_skb(skb);
+
+ return 0;
+}
+
#define QCA_DFU_PACKET_LEN 4096
#define QCA_GET_TARGET_VERSION 0x09
@@ -2511,7 +3546,8 @@
} __packed;
struct qca_rampatch_version {
- __le16 rom_version;
+ __le16 rom_version_high;
+ __le16 rom_version_low;
__le16 patch_version;
} __packed;
@@ -2523,12 +3559,14 @@
};
static const struct qca_device_info qca_devices_table[] = {
- { 0x00000100, 20, 4, 10 }, /* Rome 1.0 */
- { 0x00000101, 20, 4, 10 }, /* Rome 1.1 */
- { 0x00000200, 28, 4, 18 }, /* Rome 2.0 */
- { 0x00000201, 28, 4, 18 }, /* Rome 2.1 */
- { 0x00000300, 28, 4, 18 }, /* Rome 3.0 */
- { 0x00000302, 28, 4, 18 }, /* Rome 3.2 */
+ { 0x00000100, 20, 4, 8 }, /* Rome 1.0 */
+ { 0x00000101, 20, 4, 8 }, /* Rome 1.1 */
+ { 0x00000200, 28, 4, 16 }, /* Rome 2.0 */
+ { 0x00000201, 28, 4, 16 }, /* Rome 2.1 */
+ { 0x00000300, 28, 4, 16 }, /* Rome 3.0 */
+ { 0x00000302, 28, 4, 16 }, /* Rome 3.2 */
+ { 0x00130100, 40, 4, 16 }, /* WCN6855 1.0 */
+ { 0x00130200, 40, 4, 16 }, /* WCN6855 2.0 */
};
static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request,
@@ -2635,8 +3673,8 @@
{
struct qca_rampatch_version *rver;
const struct firmware *fw;
- u32 ver_rom, ver_patch;
- u16 rver_rom, rver_patch;
+ u32 ver_rom, ver_patch, rver_rom;
+ u16 rver_rom_low, rver_rom_high, rver_patch;
char fwname[64];
int err;
@@ -2655,8 +3693,15 @@
bt_dev_info(hdev, "using rampatch file: %s", fwname);
rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset);
- rver_rom = le16_to_cpu(rver->rom_version);
+ rver_rom_low = le16_to_cpu(rver->rom_version_low);
rver_patch = le16_to_cpu(rver->patch_version);
+
+ if (ver_rom & ~0xffffU) {
+ rver_rom_high = le16_to_cpu(rver->rom_version_high);
+ rver_rom = le32_to_cpu(rver_rom_high << 16 | rver_rom_low);
+ } else {
+ rver_rom = rver_rom_low;
+ }
bt_dev_info(hdev, "QCA: patch rome 0x%x build 0x%x, "
"firmware rome 0x%x build 0x%x",
@@ -2731,15 +3776,19 @@
return err;
ver_rom = le32_to_cpu(ver.rom_version);
- /* Don't care about high ROM versions */
- if (ver_rom & ~0xffffU)
- return 0;
for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) {
if (ver_rom == qca_devices_table[i].rom_version)
info = &qca_devices_table[i];
}
if (!info) {
+ /* If the rom_version is not matched in the qca_devices_table
+ * and the high ROM version is not zero, we assume this chip no
+ * need to load the rampatch and nvm.
+ */
+ if (ver_rom & ~0xffffU)
+ return 0;
+
bt_dev_err(hdev, "don't support firmware rome 0x%x", ver_rom);
return -ENODEV;
}
@@ -2764,7 +3813,6 @@
return 0;
}
-#ifdef CONFIG_BT_HCIBTUSB_BCM
static inline int __set_diag_interface(struct hci_dev *hdev)
{
struct btusb_data *data = hci_get_drvdata(hdev);
@@ -2851,7 +3899,6 @@
return submit_or_queue_tx_urb(hdev, urb);
}
-#endif
#ifdef CONFIG_PM
static irqreturn_t btusb_oob_wake_handler(int irq, void *priv)
@@ -2871,6 +3918,8 @@
static const struct of_device_id btusb_match_table[] = {
{ .compatible = "usb1286,204e" },
+ { .compatible = "usbcf3,e300" }, /* QCA6174A */
+ { .compatible = "usb4ca,301a" }, /* QCA6174A (Lite-On) */
{ }
};
MODULE_DEVICE_TABLE(of, btusb_match_table);
@@ -2920,10 +3969,21 @@
interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME;
}
+static bool btusb_prevent_wake(struct hci_dev *hdev)
+{
+ struct btusb_data *data = hci_get_drvdata(hdev);
+
+ if (test_bit(BTUSB_WAKEUP_DISABLE, &data->flags))
+ return true;
+
+ return !device_may_wakeup(&data->udev->dev);
+}
+
static int btusb_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct usb_endpoint_descriptor *ep_desc;
+ struct gpio_desc *reset_gpio;
struct btusb_data *data;
struct hci_dev *hdev;
unsigned ifnum_base;
@@ -3010,6 +4070,7 @@
init_usb_anchor(&data->bulk_anchor);
init_usb_anchor(&data->isoc_anchor);
init_usb_anchor(&data->diag_anchor);
+ init_usb_anchor(&data->ctrl_anchor);
spin_lock_init(&data->rxlock);
if (id->driver_info & BTUSB_INTEL_NEW) {
@@ -3037,11 +4098,21 @@
SET_HCIDEV_DEV(hdev, &intf->dev);
+ reset_gpio = gpiod_get_optional(&data->udev->dev, "reset",
+ GPIOD_OUT_LOW);
+ if (IS_ERR(reset_gpio)) {
+ err = PTR_ERR(reset_gpio);
+ goto out_free_dev;
+ } else if (reset_gpio) {
+ data->reset_gpio = reset_gpio;
+ }
+
hdev->open = btusb_open;
hdev->close = btusb_close;
hdev->flush = btusb_flush;
hdev->send = btusb_send_frame;
hdev->notify = btusb_notify;
+ hdev->prevent_wake = btusb_prevent_wake;
#ifdef CONFIG_PM
err = btusb_config_oob_wake(hdev);
@@ -3064,8 +4135,8 @@
if (id->driver_info & BTUSB_BCM92035)
hdev->setup = btusb_setup_bcm92035;
-#ifdef CONFIG_BT_HCIBTUSB_BCM
- if (id->driver_info & BTUSB_BCM_PATCHRAM) {
+ if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) &&
+ (id->driver_info & BTUSB_BCM_PATCHRAM)) {
hdev->manufacturer = 15;
hdev->setup = btbcm_setup_patchram;
hdev->set_diag = btusb_bcm_set_diag;
@@ -3075,7 +4146,8 @@
data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
}
- if (id->driver_info & BTUSB_BCM_APPLE) {
+ if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) &&
+ (id->driver_info & BTUSB_BCM_APPLE)) {
hdev->manufacturer = 15;
hdev->setup = btbcm_setup_apple;
hdev->set_diag = btusb_bcm_set_diag;
@@ -3083,7 +4155,6 @@
/* Broadcom LM_DIAG Interface numbers are hardcoded */
data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
}
-#endif
if (id->driver_info & BTUSB_INTEL) {
hdev->manufacturer = 2;
@@ -3091,6 +4162,7 @@
hdev->shutdown = btusb_shutdown_intel;
hdev->set_diag = btintel_set_diag_mfg;
hdev->set_bdaddr = btintel_set_bdaddr;
+ hdev->cmd_timeout = btusb_intel_cmd_timeout;
set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks);
@@ -3100,15 +4172,26 @@
hdev->manufacturer = 2;
hdev->send = btusb_send_frame_intel;
hdev->setup = btusb_setup_intel_new;
+ hdev->shutdown = btusb_shutdown_intel_new;
hdev->hw_error = btintel_hw_error;
hdev->set_diag = btintel_set_diag;
hdev->set_bdaddr = btintel_set_bdaddr;
+ hdev->cmd_timeout = btusb_intel_cmd_timeout;
set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
+ set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks);
}
if (id->driver_info & BTUSB_MARVELL)
hdev->set_bdaddr = btusb_set_bdaddr_marvell;
+
+ if (IS_ENABLED(CONFIG_BT_HCIBTUSB_MTK) &&
+ (id->driver_info & BTUSB_MEDIATEK)) {
+ hdev->setup = btusb_mtk_setup;
+ hdev->shutdown = btusb_mtk_shutdown;
+ hdev->manufacturer = 70;
+ set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks);
+ }
if (id->driver_info & BTUSB_SWAVE) {
set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks);
@@ -3130,22 +4213,17 @@
if (id->driver_info & BTUSB_QCA_ROME) {
data->setup_on_usb = btusb_setup_qca;
hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
+ hdev->cmd_timeout = btusb_qca_cmd_timeout;
set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
btusb_check_needs_reset_resume(intf);
}
-#ifdef CONFIG_BT_HCIBTUSB_RTL
- if (id->driver_info & BTUSB_REALTEK) {
- hdev->setup = btrtl_setup_realtek;
- hdev->shutdown = btrtl_shutdown_realtek;
-
- /* Realtek devices lose their updated firmware over suspend,
- * but the USB hub doesn't notice any status change.
- * Explicitly request a device reset on resume.
- */
- interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME;
+ if (id->driver_info & BTUSB_QCA_WCN6855) {
+ data->setup_on_usb = btusb_setup_qca;
+ hdev->set_bdaddr = btusb_set_bdaddr_wcn6855;
+ hdev->cmd_timeout = btusb_qca_cmd_timeout;
+ set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
}
-#endif
if (id->driver_info & BTUSB_AMP) {
/* AMP controllers do not support SCO packets */
@@ -3154,6 +4232,20 @@
/* Interface orders are hardcoded in the specification */
data->isoc = usb_ifnum_to_if(data->udev, ifnum_base + 1);
data->isoc_ifnum = ifnum_base + 1;
+ }
+
+ if (IS_ENABLED(CONFIG_BT_HCIBTUSB_RTL) &&
+ (id->driver_info & BTUSB_REALTEK)) {
+ hdev->setup = btrtl_setup_realtek;
+ hdev->shutdown = btrtl_shutdown_realtek;
+ hdev->cmd_timeout = btusb_rtl_cmd_timeout;
+
+ /* Realtek devices lose their updated firmware over global
+ * suspend that means host doesn't send SET_FEATURE
+ * (DEVICE_REMOTE_WAKEUP)
+ */
+ set_bit(BTUSB_WAKEUP_DISABLE, &data->flags);
+ set_bit(BTUSB_USE_ALT3_FOR_WBS, &data->flags);
}
if (!reset)
@@ -3166,6 +4258,12 @@
if (id->driver_info & BTUSB_BROKEN_ISOC)
data->isoc = NULL;
+
+ if (id->driver_info & BTUSB_WIDEBAND_SPEECH)
+ set_bit(HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED, &hdev->quirks);
+
+ if (id->driver_info & BTUSB_VALID_LE_STATES)
+ set_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks);
if (id->driver_info & BTUSB_DIGIANSWER) {
data->cmdreq_type = USB_TYPE_VENDOR;
@@ -3180,11 +4278,13 @@
if (bcdDevice < 0x117)
set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
- /* Fake CSR devices with broken commands */
- if (bcdDevice <= 0x100 || bcdDevice == 0x134)
- hdev->setup = btusb_setup_csr;
-
+ /* This must be set first in case we disable it for fakes */
set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
+
+ /* Fake CSR devices with broken commands */
+ if (le16_to_cpu(udev->descriptor.idVendor) == 0x0a12 &&
+ le16_to_cpu(udev->descriptor.idProduct) == 0x0001)
+ hdev->setup = btusb_setup_csr;
}
if (id->driver_info & BTUSB_SNIFFER) {
@@ -3213,15 +4313,13 @@
goto out_free_dev;
}
-#ifdef CONFIG_BT_HCIBTUSB_BCM
- if (data->diag) {
+ if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && data->diag) {
if (!usb_driver_claim_interface(&btusb_driver,
data->diag, data))
__set_diag_interface(hdev);
else
data->diag = NULL;
}
-#endif
if (enable_autosuspend)
usb_enable_autosuspend(data->udev);
@@ -3235,6 +4333,8 @@
return 0;
out_free_dev:
+ if (data->reset_gpio)
+ gpiod_put(data->reset_gpio);
hci_free_dev(hdev);
return err;
}
@@ -3278,6 +4378,9 @@
if (data->oob_wake_irq)
device_init_wakeup(&data->udev->dev, false);
+ if (data->reset_gpio)
+ gpiod_put(data->reset_gpio);
+
hci_free_dev(hdev);
}
@@ -3312,6 +4415,19 @@
enable_irq(data->oob_wake_irq);
}
+ /* For global suspend, Realtek devices lose the loaded fw
+ * in them. But for autosuspend, firmware should remain.
+ * Actually, it depends on whether the usb host sends
+ * set feature (enable wakeup) or not.
+ */
+ if (test_bit(BTUSB_WAKEUP_DISABLE, &data->flags)) {
+ if (PMSG_IS_AUTO(message) &&
+ device_can_wakeup(&data->udev->dev))
+ data->udev->do_remote_wakeup = 1;
+ else if (!PMSG_IS_AUTO(message))
+ data->udev->reset_resume = 1;
+ }
+
return 0;
}
--
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