#include <linux/module.h>
#include <linux/usb.h>
#include <linux/firmware.h>
+#include <asm/unaligned.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
-#define VERSION "0.6"
+#include "btintel.h"
+#include "btbcm.h"
+#include "btrtl.h"
+
+#define VERSION "0.8"
-static bool ignore_dga;
-static bool ignore_csr;
-static bool ignore_sniffer;
static bool disable_scofix;
static bool force_scofix;
-static bool reset = 1;
+static bool reset = true;
static struct usb_driver btusb_driver;
#define BTUSB_WRONG_SCO_MTU 0x40
#define BTUSB_ATH3012 0x80
#define BTUSB_INTEL 0x100
-
-static struct usb_device_id btusb_table[] = {
+#define BTUSB_INTEL_BOOT 0x200
+#define BTUSB_BCM_PATCHRAM 0x400
+#define BTUSB_MARVELL 0x800
+#define BTUSB_SWAVE 0x1000
+#define BTUSB_INTEL_NEW 0x2000
+#define BTUSB_AMP 0x4000
+#define BTUSB_QCA_ROME 0x8000
+#define BTUSB_BCM_APPLE 0x10000
+#define BTUSB_REALTEK 0x20000
+#define BTUSB_BCM2045 0x40000
+#define BTUSB_IFNUM_2 0x80000
+
+static const struct usb_device_id btusb_table[] = {
/* Generic Bluetooth USB device */
{ USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
+ /* Generic Bluetooth AMP device */
+ { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info = BTUSB_AMP },
+
+ /* Generic Bluetooth USB interface */
+ { USB_INTERFACE_INFO(0xe0, 0x01, 0x01) },
+
/* Apple-specific (Broadcom) devices */
- { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01) },
+ { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01),
+ .driver_info = BTUSB_BCM_APPLE | BTUSB_IFNUM_2 },
+
+ /* MediaTek MT76x0E */
+ { USB_DEVICE(0x0e8d, 0x763f) },
/* Broadcom SoftSailing reporting vendor specific */
{ USB_DEVICE(0x0a5c, 0x21e1) },
{ USB_DEVICE(0x05ac, 0x8281) },
/* AVM BlueFRITZ! USB v2.0 */
- { USB_DEVICE(0x057c, 0x3800) },
+ { USB_DEVICE(0x057c, 0x3800), .driver_info = BTUSB_SWAVE },
/* Bluetooth Ultraport Module from IBM */
{ USB_DEVICE(0x04bf, 0x030a) },
{ USB_DEVICE(0x0c10, 0x0000) },
/* Broadcom BCM20702A0 */
- { USB_DEVICE(0x0b05, 0x17b5) },
- { USB_DEVICE(0x04ca, 0x2003) },
- { USB_DEVICE(0x0489, 0xe042) },
{ USB_DEVICE(0x413c, 0x8197) },
+ /* Broadcom BCM20702B0 (Dynex/Insignia) */
+ { USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM },
+
+ /* Broadcom BCM43142A0 (Foxconn/Lenovo) */
+ { USB_DEVICE(0x105b, 0xe065), .driver_info = BTUSB_BCM_PATCHRAM },
+
/* Foxconn - Hon Hai */
- { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01) },
+ { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01),
+ .driver_info = BTUSB_BCM_PATCHRAM },
+
+ /* Lite-On Technology - Broadcom based */
+ { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01),
+ .driver_info = BTUSB_BCM_PATCHRAM },
- /*Broadcom devices with vendor specific id */
- { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01) },
+ /* Broadcom devices with vendor specific id */
+ { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01),
+ .driver_info = BTUSB_BCM_PATCHRAM },
+
+ /* ASUSTek Computer - Broadcom based */
+ { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01),
+ .driver_info = BTUSB_BCM_PATCHRAM },
+
+ /* Belkin F8065bf - Broadcom based */
+ { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01),
+ .driver_info = BTUSB_BCM_PATCHRAM },
+
+ /* IMC Networks - Broadcom based */
+ { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01),
+ .driver_info = BTUSB_BCM_PATCHRAM },
+
+ /* Intel Bluetooth USB Bootloader (RAM module) */
+ { USB_DEVICE(0x8087, 0x0a5a),
+ .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC },
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, btusb_table);
-static struct usb_device_id blacklist_table[] = {
+static const struct usb_device_id blacklist_table[] = {
/* CSR BlueCore devices */
{ USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR },
/* Broadcom BCM2033 without firmware */
{ USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE },
+ /* Broadcom BCM2045 devices */
+ { USB_DEVICE(0x0a5c, 0x2045), .driver_info = BTUSB_BCM2045 },
+
/* Atheros 3011 with sflash firmware */
+ { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE },
+ { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
+ { USB_DEVICE(0x04f2, 0xaff1), .driver_info = BTUSB_IGNORE },
+ { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
{ USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
{ USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE },
{ USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },
- { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
- { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
- { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE },
/* Atheros AR9285 Malbec with sflash firmware */
{ USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
/* Atheros 3012 with sflash firmware */
+ { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0cf3, 0x817b), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 },
/* Atheros AR5BBU12 with sflash firmware */
{ USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
/* Atheros AR5BBU12 with sflash firmware */
- { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
+
+ /* QCA ROME chipset */
+ { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME },
+ { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME },
+ { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME },
/* Broadcom BCM2035 */
- { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
- { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
{ USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
+ { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
+ { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
/* Broadcom BCM2045 */
{ USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU },
/* CONWISE Technology based adapters with buggy SCO support */
{ USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC },
+ /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */
+ { USB_DEVICE(0x1310, 0x0001), .driver_info = BTUSB_SWAVE },
+
/* Digianswer devices */
{ USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER },
{ USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE },
/* CSR BlueCore Bluetooth Sniffer */
- { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER },
+ { USB_DEVICE(0x0a12, 0x0002),
+ .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
/* Frontline ComProbe Bluetooth Sniffer */
- { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER },
+ { USB_DEVICE(0x16d3, 0x0002),
+ .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
+
+ /* Marvell Bluetooth devices */
+ { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL },
+ { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL },
- /* Intel Bluetooth device */
+ /* Intel Bluetooth devices */
+ { 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 },
+
+ /* Other Intel Bluetooth devices */
+ { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01),
+ .driver_info = BTUSB_IGNORE },
+
+ /* Realtek Bluetooth devices */
+ { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
+ .driver_info = BTUSB_REALTEK },
+
+ /* Additional Realtek 8723AE Bluetooth devices */
+ { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK },
+ { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK },
+
+ /* Additional Realtek 8723BE Bluetooth devices */
+ { USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK },
+ { USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK },
+ { USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK },
+ { USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK },
+ { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK },
+
+ /* Additional Realtek 8821AE Bluetooth devices */
+ { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK },
+ { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK },
+ { USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK },
+ { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK },
+ { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK },
+
+ /* Silicon Wave based devices */
+ { USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE },
{ } /* Terminating entry */
};
#define BTUSB_ISOC_RUNNING 2
#define BTUSB_SUSPENDING 3
#define BTUSB_DID_ISO_RESUME 4
+#define BTUSB_BOOTLOADER 5
+#define BTUSB_DOWNLOADING 6
+#define BTUSB_FIRMWARE_LOADED 7
+#define BTUSB_FIRMWARE_FAILED 8
+#define BTUSB_BOOTING 9
+#define BTUSB_RESET_RESUME 10
+#define BTUSB_DIAG_RUNNING 11
struct btusb_data {
struct hci_dev *hdev;
struct usb_device *udev;
struct usb_interface *intf;
struct usb_interface *isoc;
-
- spinlock_t lock;
+ struct usb_interface *diag;
unsigned long flags;
struct work_struct work;
struct work_struct waker;
+ struct usb_anchor deferred;
struct usb_anchor tx_anchor;
+ int tx_in_flight;
+ spinlock_t txlock;
+
struct usb_anchor intr_anchor;
struct usb_anchor bulk_anchor;
struct usb_anchor isoc_anchor;
- struct usb_anchor deferred;
- int tx_in_flight;
- spinlock_t txlock;
+ struct usb_anchor diag_anchor;
+ spinlock_t rxlock;
+
+ struct sk_buff *evt_skb;
+ struct sk_buff *acl_skb;
+ struct sk_buff *sco_skb;
struct usb_endpoint_descriptor *intr_ep;
struct usb_endpoint_descriptor *bulk_tx_ep;
struct usb_endpoint_descriptor *bulk_rx_ep;
struct usb_endpoint_descriptor *isoc_tx_ep;
struct usb_endpoint_descriptor *isoc_rx_ep;
+ struct usb_endpoint_descriptor *diag_tx_ep;
+ struct usb_endpoint_descriptor *diag_rx_ep;
__u8 cmdreq_type;
+ __u8 cmdreq;
unsigned int sco_num;
int isoc_altsetting;
int suspend_count;
+
+ int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb);
+ int (*recv_bulk)(struct btusb_data *data, void *buffer, int count);
+
+ int (*setup_on_usb)(struct hci_dev *hdev);
};
-static int inc_tx(struct btusb_data *data)
+static inline void btusb_free_frags(struct btusb_data *data)
{
unsigned long flags;
- int rv;
- spin_lock_irqsave(&data->txlock, flags);
- rv = test_bit(BTUSB_SUSPENDING, &data->flags);
- if (!rv)
- data->tx_in_flight++;
- spin_unlock_irqrestore(&data->txlock, flags);
+ spin_lock_irqsave(&data->rxlock, flags);
+
+ kfree_skb(data->evt_skb);
+ data->evt_skb = NULL;
+
+ kfree_skb(data->acl_skb);
+ data->acl_skb = NULL;
+
+ kfree_skb(data->sco_skb);
+ data->sco_skb = NULL;
+
+ spin_unlock_irqrestore(&data->rxlock, flags);
+}
+
+static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count)
+{
+ struct sk_buff *skb;
+ int err = 0;
+
+ spin_lock(&data->rxlock);
+ skb = data->evt_skb;
+
+ while (count) {
+ int len;
+
+ if (!skb) {
+ skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC);
+ if (!skb) {
+ err = -ENOMEM;
+ break;
+ }
+
+ bt_cb(skb)->pkt_type = HCI_EVENT_PKT;
+ bt_cb(skb)->expect = HCI_EVENT_HDR_SIZE;
+ }
+
+ len = min_t(uint, bt_cb(skb)->expect, count);
+ memcpy(skb_put(skb, len), buffer, len);
+
+ count -= len;
+ buffer += len;
+ bt_cb(skb)->expect -= len;
+
+ if (skb->len == HCI_EVENT_HDR_SIZE) {
+ /* Complete event header */
+ bt_cb(skb)->expect = hci_event_hdr(skb)->plen;
+
+ if (skb_tailroom(skb) < bt_cb(skb)->expect) {
+ kfree_skb(skb);
+ skb = NULL;
+
+ err = -EILSEQ;
+ break;
+ }
+ }
+
+ if (bt_cb(skb)->expect == 0) {
+ /* Complete frame */
+ data->recv_event(data->hdev, skb);
+ skb = NULL;
+ }
+ }
+
+ data->evt_skb = skb;
+ spin_unlock(&data->rxlock);
+
+ return err;
+}
+
+static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count)
+{
+ struct sk_buff *skb;
+ int err = 0;
+
+ spin_lock(&data->rxlock);
+ skb = data->acl_skb;
+
+ while (count) {
+ int len;
+
+ if (!skb) {
+ skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC);
+ if (!skb) {
+ err = -ENOMEM;
+ break;
+ }
+
+ bt_cb(skb)->pkt_type = HCI_ACLDATA_PKT;
+ bt_cb(skb)->expect = HCI_ACL_HDR_SIZE;
+ }
+
+ len = min_t(uint, bt_cb(skb)->expect, count);
+ memcpy(skb_put(skb, len), buffer, len);
+
+ count -= len;
+ buffer += len;
+ bt_cb(skb)->expect -= len;
+
+ if (skb->len == HCI_ACL_HDR_SIZE) {
+ __le16 dlen = hci_acl_hdr(skb)->dlen;
+
+ /* Complete ACL header */
+ bt_cb(skb)->expect = __le16_to_cpu(dlen);
+
+ if (skb_tailroom(skb) < bt_cb(skb)->expect) {
+ kfree_skb(skb);
+ skb = NULL;
+
+ err = -EILSEQ;
+ break;
+ }
+ }
+
+ if (bt_cb(skb)->expect == 0) {
+ /* Complete frame */
+ hci_recv_frame(data->hdev, skb);
+ skb = NULL;
+ }
+ }
+
+ data->acl_skb = skb;
+ spin_unlock(&data->rxlock);
+
+ return err;
+}
+
+static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count)
+{
+ struct sk_buff *skb;
+ int err = 0;
+
+ spin_lock(&data->rxlock);
+ skb = data->sco_skb;
+
+ while (count) {
+ int len;
+
+ if (!skb) {
+ skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC);
+ if (!skb) {
+ err = -ENOMEM;
+ break;
+ }
+
+ bt_cb(skb)->pkt_type = HCI_SCODATA_PKT;
+ bt_cb(skb)->expect = HCI_SCO_HDR_SIZE;
+ }
- return rv;
+ len = min_t(uint, bt_cb(skb)->expect, count);
+ memcpy(skb_put(skb, len), buffer, len);
+
+ count -= len;
+ buffer += len;
+ bt_cb(skb)->expect -= len;
+
+ if (skb->len == HCI_SCO_HDR_SIZE) {
+ /* Complete SCO header */
+ bt_cb(skb)->expect = hci_sco_hdr(skb)->dlen;
+
+ if (skb_tailroom(skb) < bt_cb(skb)->expect) {
+ kfree_skb(skb);
+ skb = NULL;
+
+ err = -EILSEQ;
+ break;
+ }
+ }
+
+ if (bt_cb(skb)->expect == 0) {
+ /* Complete frame */
+ hci_recv_frame(data->hdev, skb);
+ skb = NULL;
+ }
+ }
+
+ data->sco_skb = skb;
+ spin_unlock(&data->rxlock);
+
+ return err;
}
static void btusb_intr_complete(struct urb *urb)
struct btusb_data *data = hci_get_drvdata(hdev);
int err;
- BT_DBG("%s urb %p status %d count %d", hdev->name,
- urb, urb->status, urb->actual_length);
+ BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
+ urb->actual_length);
if (!test_bit(HCI_RUNNING, &hdev->flags))
return;
if (urb->status == 0) {
hdev->stat.byte_rx += urb->actual_length;
- if (hci_recv_fragment(hdev, HCI_EVENT_PKT,
- urb->transfer_buffer,
- urb->actual_length) < 0) {
+ if (btusb_recv_intr(data, urb->transfer_buffer,
+ urb->actual_length) < 0) {
BT_ERR("%s corrupted event packet", hdev->name);
hdev->stat.err_rx++;
}
+ } else if (urb->status == -ENOENT) {
+ /* Avoid suspend failed when usb_kill_urb */
+ return;
}
if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
* -ENODEV: device got disconnected */
if (err != -EPERM && err != -ENODEV)
BT_ERR("%s urb %p failed to resubmit (%d)",
- hdev->name, urb, -err);
+ hdev->name, urb, -err);
usb_unanchor_urb(urb);
}
}
pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
usb_fill_int_urb(urb, data->udev, pipe, buf, size,
- btusb_intr_complete, hdev,
- data->intr_ep->bInterval);
+ btusb_intr_complete, hdev, data->intr_ep->bInterval);
urb->transfer_flags |= URB_FREE_BUFFER;
if (err < 0) {
if (err != -EPERM && err != -ENODEV)
BT_ERR("%s urb %p submission failed (%d)",
- hdev->name, urb, -err);
+ hdev->name, urb, -err);
usb_unanchor_urb(urb);
}
struct btusb_data *data = hci_get_drvdata(hdev);
int err;
- BT_DBG("%s urb %p status %d count %d", hdev->name,
- urb, urb->status, urb->actual_length);
+ BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
+ urb->actual_length);
if (!test_bit(HCI_RUNNING, &hdev->flags))
return;
if (urb->status == 0) {
hdev->stat.byte_rx += urb->actual_length;
- if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT,
- urb->transfer_buffer,
- urb->actual_length) < 0) {
+ if (data->recv_bulk(data, urb->transfer_buffer,
+ urb->actual_length) < 0) {
BT_ERR("%s corrupted ACL packet", hdev->name);
hdev->stat.err_rx++;
}
+ } else if (urb->status == -ENOENT) {
+ /* Avoid suspend failed when usb_kill_urb */
+ return;
}
if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
* -ENODEV: device got disconnected */
if (err != -EPERM && err != -ENODEV)
BT_ERR("%s urb %p failed to resubmit (%d)",
- hdev->name, urb, -err);
+ hdev->name, urb, -err);
usb_unanchor_urb(urb);
}
}
pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
- usb_fill_bulk_urb(urb, data->udev, pipe,
- buf, size, btusb_bulk_complete, hdev);
+ usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
+ btusb_bulk_complete, hdev);
urb->transfer_flags |= URB_FREE_BUFFER;
if (err < 0) {
if (err != -EPERM && err != -ENODEV)
BT_ERR("%s urb %p submission failed (%d)",
- hdev->name, urb, -err);
+ hdev->name, urb, -err);
usb_unanchor_urb(urb);
}
struct btusb_data *data = hci_get_drvdata(hdev);
int i, err;
- BT_DBG("%s urb %p status %d count %d", hdev->name,
- urb, urb->status, urb->actual_length);
+ BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
+ urb->actual_length);
if (!test_bit(HCI_RUNNING, &hdev->flags))
return;
hdev->stat.byte_rx += length;
- if (hci_recv_fragment(hdev, HCI_SCODATA_PKT,
- urb->transfer_buffer + offset,
- length) < 0) {
+ if (btusb_recv_isoc(data, urb->transfer_buffer + offset,
+ length) < 0) {
BT_ERR("%s corrupted SCO packet", hdev->name);
hdev->stat.err_rx++;
}
}
+ } else if (urb->status == -ENOENT) {
+ /* Avoid suspend failed when usb_kill_urb */
+ return;
}
if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags))
* -ENODEV: device got disconnected */
if (err != -EPERM && err != -ENODEV)
BT_ERR("%s urb %p failed to resubmit (%d)",
- hdev->name, urb, -err);
+ hdev->name, urb, -err);
usb_unanchor_urb(urb);
}
}
pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete,
- hdev, data->isoc_rx_ep->bInterval);
+ hdev, data->isoc_rx_ep->bInterval);
- urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP;
+ urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP;
__fill_isoc_descriptor(urb, size,
- le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
+ le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
usb_anchor_urb(urb, &data->isoc_anchor);
if (err < 0) {
if (err != -EPERM && err != -ENODEV)
BT_ERR("%s urb %p submission failed (%d)",
- hdev->name, urb, -err);
+ hdev->name, urb, -err);
+ usb_unanchor_urb(urb);
+ }
+
+ usb_free_urb(urb);
+
+ return err;
+}
+
+static void btusb_diag_complete(struct urb *urb)
+{
+ struct hci_dev *hdev = urb->context;
+ struct btusb_data *data = hci_get_drvdata(hdev);
+ int err;
+
+ BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
+ urb->actual_length);
+
+ if (urb->status == 0) {
+ struct sk_buff *skb;
+
+ skb = bt_skb_alloc(urb->actual_length, GFP_ATOMIC);
+ if (skb) {
+ memcpy(skb_put(skb, urb->actual_length),
+ urb->transfer_buffer, urb->actual_length);
+ hci_recv_diag(hdev, skb);
+ }
+ } else if (urb->status == -ENOENT) {
+ /* Avoid suspend failed when usb_kill_urb */
+ return;
+ }
+
+ if (!test_bit(BTUSB_DIAG_RUNNING, &data->flags))
+ return;
+
+ usb_anchor_urb(urb, &data->diag_anchor);
+ usb_mark_last_busy(data->udev);
+
+ err = usb_submit_urb(urb, GFP_ATOMIC);
+ if (err < 0) {
+ /* -EPERM: urb is being killed;
+ * -ENODEV: device got disconnected */
+ if (err != -EPERM && err != -ENODEV)
+ BT_ERR("%s urb %p failed to resubmit (%d)",
+ hdev->name, urb, -err);
+ usb_unanchor_urb(urb);
+ }
+}
+
+static int btusb_submit_diag_urb(struct hci_dev *hdev, gfp_t mem_flags)
+{
+ struct btusb_data *data = hci_get_drvdata(hdev);
+ struct urb *urb;
+ unsigned char *buf;
+ unsigned int pipe;
+ int err, size = HCI_MAX_FRAME_SIZE;
+
+ BT_DBG("%s", hdev->name);
+
+ if (!data->diag_rx_ep)
+ return -ENODEV;
+
+ urb = usb_alloc_urb(0, mem_flags);
+ if (!urb)
+ return -ENOMEM;
+
+ buf = kmalloc(size, mem_flags);
+ if (!buf) {
+ usb_free_urb(urb);
+ return -ENOMEM;
+ }
+
+ pipe = usb_rcvbulkpipe(data->udev, data->diag_rx_ep->bEndpointAddress);
+
+ usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
+ btusb_diag_complete, hdev);
+
+ urb->transfer_flags |= URB_FREE_BUFFER;
+
+ usb_mark_last_busy(data->udev);
+ usb_anchor_urb(urb, &data->diag_anchor);
+
+ err = usb_submit_urb(urb, mem_flags);
+ if (err < 0) {
+ if (err != -EPERM && err != -ENODEV)
+ BT_ERR("%s urb %p submission failed (%d)",
+ hdev->name, urb, -err);
usb_unanchor_urb(urb);
}
static void btusb_tx_complete(struct urb *urb)
{
struct sk_buff *skb = urb->context;
- struct hci_dev *hdev = (struct hci_dev *) skb->dev;
+ struct hci_dev *hdev = (struct hci_dev *)skb->dev;
struct btusb_data *data = hci_get_drvdata(hdev);
- BT_DBG("%s urb %p status %d count %d", hdev->name,
- urb, urb->status, urb->actual_length);
+ BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
+ urb->actual_length);
if (!test_bit(HCI_RUNNING, &hdev->flags))
goto done;
static void btusb_isoc_tx_complete(struct urb *urb)
{
struct sk_buff *skb = urb->context;
- struct hci_dev *hdev = (struct hci_dev *) skb->dev;
+ struct hci_dev *hdev = (struct hci_dev *)skb->dev;
- BT_DBG("%s urb %p status %d count %d", hdev->name,
- urb, urb->status, urb->actual_length);
+ BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
+ urb->actual_length);
if (!test_bit(HCI_RUNNING, &hdev->flags))
goto done;
BT_DBG("%s", hdev->name);
+ /* Patching USB firmware files prior to starting any URBs of HCI path
+ * It is more safe to use USB bulk channel for downloading USB patch
+ */
+ if (data->setup_on_usb) {
+ err = data->setup_on_usb(hdev);
+ if (err < 0)
+ return err;
+ }
+
err = usb_autopm_get_interface(data->intf);
if (err < 0)
return err;
data->intf->needs_remote_wakeup = 1;
- if (test_and_set_bit(HCI_RUNNING, &hdev->flags))
- goto done;
-
if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
goto done;
set_bit(BTUSB_BULK_RUNNING, &data->flags);
btusb_submit_bulk_urb(hdev, GFP_KERNEL);
+ if (data->diag) {
+ if (!btusb_submit_diag_urb(hdev, GFP_KERNEL))
+ set_bit(BTUSB_DIAG_RUNNING, &data->flags);
+ }
+
done:
usb_autopm_put_interface(data->intf);
return 0;
failed:
clear_bit(BTUSB_INTR_RUNNING, &data->flags);
- clear_bit(HCI_RUNNING, &hdev->flags);
usb_autopm_put_interface(data->intf);
return err;
}
usb_kill_anchored_urbs(&data->intr_anchor);
usb_kill_anchored_urbs(&data->bulk_anchor);
usb_kill_anchored_urbs(&data->isoc_anchor);
+ usb_kill_anchored_urbs(&data->diag_anchor);
}
static int btusb_close(struct hci_dev *hdev)
BT_DBG("%s", hdev->name);
- if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
- return 0;
-
cancel_work_sync(&data->work);
cancel_work_sync(&data->waker);
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
clear_bit(BTUSB_BULK_RUNNING, &data->flags);
clear_bit(BTUSB_INTR_RUNNING, &data->flags);
+ clear_bit(BTUSB_DIAG_RUNNING, &data->flags);
btusb_stop_traffic(data);
+ btusb_free_frags(data);
+
err = usb_autopm_get_interface(data->intf);
if (err < 0)
goto failed;
BT_DBG("%s", hdev->name);
usb_kill_anchored_urbs(&data->tx_anchor);
+ btusb_free_frags(data);
return 0;
}
-static int btusb_send_frame(struct sk_buff *skb)
+static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb)
{
- struct hci_dev *hdev = (struct hci_dev *) skb->dev;
struct btusb_data *data = hci_get_drvdata(hdev);
struct usb_ctrlrequest *dr;
struct urb *urb;
unsigned int pipe;
- int err;
- BT_DBG("%s", hdev->name);
+ urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!urb)
+ return ERR_PTR(-ENOMEM);
- if (!test_bit(HCI_RUNNING, &hdev->flags))
- return -EBUSY;
+ dr = kmalloc(sizeof(*dr), GFP_KERNEL);
+ if (!dr) {
+ usb_free_urb(urb);
+ return ERR_PTR(-ENOMEM);
+ }
- switch (bt_cb(skb)->pkt_type) {
- case HCI_COMMAND_PKT:
- urb = usb_alloc_urb(0, GFP_ATOMIC);
- if (!urb)
- return -ENOMEM;
-
- dr = kmalloc(sizeof(*dr), GFP_ATOMIC);
- if (!dr) {
- usb_free_urb(urb);
- return -ENOMEM;
- }
+ dr->bRequestType = data->cmdreq_type;
+ dr->bRequest = data->cmdreq;
+ dr->wIndex = 0;
+ dr->wValue = 0;
+ dr->wLength = __cpu_to_le16(skb->len);
- dr->bRequestType = data->cmdreq_type;
- dr->bRequest = 0;
- dr->wIndex = 0;
- dr->wValue = 0;
- dr->wLength = __cpu_to_le16(skb->len);
+ pipe = usb_sndctrlpipe(data->udev, 0x00);
- pipe = usb_sndctrlpipe(data->udev, 0x00);
+ usb_fill_control_urb(urb, data->udev, pipe, (void *)dr,
+ skb->data, skb->len, btusb_tx_complete, skb);
- usb_fill_control_urb(urb, data->udev, pipe, (void *) dr,
- skb->data, skb->len, btusb_tx_complete, skb);
+ skb->dev = (void *)hdev;
- hdev->stat.cmd_tx++;
- break;
+ return urb;
+}
- case HCI_ACLDATA_PKT:
- if (!data->bulk_tx_ep)
- return -ENODEV;
+static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct btusb_data *data = hci_get_drvdata(hdev);
+ struct urb *urb;
+ unsigned int pipe;
- urb = usb_alloc_urb(0, GFP_ATOMIC);
- if (!urb)
- return -ENOMEM;
+ if (!data->bulk_tx_ep)
+ return ERR_PTR(-ENODEV);
- pipe = usb_sndbulkpipe(data->udev,
- data->bulk_tx_ep->bEndpointAddress);
+ urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!urb)
+ return ERR_PTR(-ENOMEM);
- usb_fill_bulk_urb(urb, data->udev, pipe,
- skb->data, skb->len, btusb_tx_complete, skb);
+ pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress);
- hdev->stat.acl_tx++;
- break;
+ usb_fill_bulk_urb(urb, data->udev, pipe,
+ skb->data, skb->len, btusb_tx_complete, skb);
- case HCI_SCODATA_PKT:
- if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1)
- return -ENODEV;
+ skb->dev = (void *)hdev;
- urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC);
- if (!urb)
- return -ENOMEM;
+ return urb;
+}
- pipe = usb_sndisocpipe(data->udev,
- data->isoc_tx_ep->bEndpointAddress);
+static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct btusb_data *data = hci_get_drvdata(hdev);
+ struct urb *urb;
+ unsigned int pipe;
- usb_fill_int_urb(urb, data->udev, pipe,
- skb->data, skb->len, btusb_isoc_tx_complete,
- skb, data->isoc_tx_ep->bInterval);
+ if (!data->isoc_tx_ep)
+ return ERR_PTR(-ENODEV);
- urb->transfer_flags = URB_ISO_ASAP;
+ urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL);
+ if (!urb)
+ return ERR_PTR(-ENOMEM);
- __fill_isoc_descriptor(urb, skb->len,
- le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
+ pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress);
- hdev->stat.sco_tx++;
- goto skip_waking;
+ usb_fill_int_urb(urb, data->udev, pipe,
+ skb->data, skb->len, btusb_isoc_tx_complete,
+ skb, data->isoc_tx_ep->bInterval);
- default:
- return -EILSEQ;
- }
+ urb->transfer_flags = URB_ISO_ASAP;
- err = inc_tx(data);
- if (err) {
- usb_anchor_urb(urb, &data->deferred);
- schedule_work(&data->waker);
- err = 0;
- goto done;
- }
+ __fill_isoc_descriptor(urb, skb->len,
+ le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
+
+ skb->dev = (void *)hdev;
+
+ return urb;
+}
+
+static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb)
+{
+ struct btusb_data *data = hci_get_drvdata(hdev);
+ int err;
-skip_waking:
usb_anchor_urb(urb, &data->tx_anchor);
- err = usb_submit_urb(urb, GFP_ATOMIC);
+ err = usb_submit_urb(urb, GFP_KERNEL);
if (err < 0) {
if (err != -EPERM && err != -ENODEV)
BT_ERR("%s urb %p submission failed (%d)",
- hdev->name, urb, -err);
+ hdev->name, urb, -err);
kfree(urb->setup_packet);
usb_unanchor_urb(urb);
} else {
usb_mark_last_busy(data->udev);
}
-done:
usb_free_urb(urb);
return err;
}
+static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb)
+{
+ struct btusb_data *data = hci_get_drvdata(hdev);
+ unsigned long flags;
+ bool suspending;
+
+ spin_lock_irqsave(&data->txlock, flags);
+ suspending = test_bit(BTUSB_SUSPENDING, &data->flags);
+ if (!suspending)
+ data->tx_in_flight++;
+ spin_unlock_irqrestore(&data->txlock, flags);
+
+ if (!suspending)
+ return submit_tx_urb(hdev, urb);
+
+ usb_anchor_urb(urb, &data->deferred);
+ schedule_work(&data->waker);
+
+ usb_free_urb(urb);
+ return 0;
+}
+
+static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct urb *urb;
+
+ BT_DBG("%s", hdev->name);
+
+ switch (bt_cb(skb)->pkt_type) {
+ case HCI_COMMAND_PKT:
+ urb = alloc_ctrl_urb(hdev, skb);
+ if (IS_ERR(urb))
+ return PTR_ERR(urb);
+
+ hdev->stat.cmd_tx++;
+ return submit_or_queue_tx_urb(hdev, urb);
+
+ case HCI_ACLDATA_PKT:
+ urb = alloc_bulk_urb(hdev, skb);
+ if (IS_ERR(urb))
+ return PTR_ERR(urb);
+
+ hdev->stat.acl_tx++;
+ return submit_or_queue_tx_urb(hdev, urb);
+
+ case HCI_SCODATA_PKT:
+ if (hci_conn_num(hdev, SCO_LINK) < 1)
+ return -ENODEV;
+
+ urb = alloc_isoc_urb(hdev, skb);
+ if (IS_ERR(urb))
+ return PTR_ERR(urb);
+
+ hdev->stat.sco_tx++;
+ return submit_tx_urb(hdev, urb);
+ }
+
+ return -EILSEQ;
+}
+
static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
{
struct btusb_data *data = hci_get_drvdata(hdev);
BT_DBG("%s evt %d", hdev->name, evt);
- if (hdev->conn_hash.sco_num != data->sco_num) {
- data->sco_num = hdev->conn_hash.sco_num;
+ if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) {
+ data->sco_num = hci_conn_num(hdev, SCO_LINK);
schedule_work(&data->work);
}
}
int new_alts;
int err;
- if (hdev->conn_hash.sco_num > 0) {
+ if (data->sco_num > 0) {
if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
if (err < 0) {
if (hdev->voice_setting & 0x0020) {
static const int alts[3] = { 2, 4, 5 };
- new_alts = alts[hdev->conn_hash.sco_num - 1];
+
+ new_alts = alts[data->sco_num - 1];
} else {
- new_alts = hdev->conn_hash.sco_num;
+ 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.
+ */
+ 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;
}
return 0;
}
-struct intel_version {
- u8 status;
- u8 hw_platform;
- u8 hw_variant;
- u8 hw_revision;
- u8 fw_variant;
- u8 fw_revision;
- u8 fw_build_num;
- u8 fw_build_ww;
- u8 fw_build_yy;
- u8 fw_patch_num;
-} __packed;
+static int btusb_setup_csr(struct hci_dev *hdev)
+{
+ struct hci_rp_read_local_version *rp;
+ struct sk_buff *skb;
+
+ BT_DBG("%s", hdev->name);
+
+ skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL,
+ HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ int err = PTR_ERR(skb);
+ BT_ERR("%s: CSR: Local version failed (%d)", hdev->name, err);
+ return err;
+ }
+
+ if (skb->len != sizeof(struct hci_rp_read_local_version)) {
+ BT_ERR("%s: CSR: Local version length mismatch", hdev->name);
+ kfree_skb(skb);
+ return -EIO;
+ }
+
+ rp = (struct hci_rp_read_local_version *)skb->data;
+
+ /* Detect controllers which aren't real CSR ones. */
+ if (le16_to_cpu(rp->manufacturer) != 10 ||
+ le16_to_cpu(rp->lmp_subver) == 0x0c5c) {
+ /* 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);
+ }
+
+ kfree_skb(skb);
+
+ return 0;
+}
static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev,
- struct intel_version *ver)
+ struct intel_version *ver)
{
const struct firmware *fw;
char fwname[64];
if (IS_ERR(skb)) {
BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)",
hdev->name, cmd->opcode, PTR_ERR(skb));
- return -PTR_ERR(skb);
+ return PTR_ERR(skb);
}
/* It ensures that the returned event matches the event data read from
if (IS_ERR(skb)) {
BT_ERR("%s sending initial HCI reset command failed (%ld)",
hdev->name, PTR_ERR(skb));
- return -PTR_ERR(skb);
+ return PTR_ERR(skb);
}
kfree_skb(skb);
if (IS_ERR(skb)) {
BT_ERR("%s reading Intel fw version command failed (%ld)",
hdev->name, PTR_ERR(skb));
- return -PTR_ERR(skb);
+ return PTR_ERR(skb);
}
if (skb->len != sizeof(*ver)) {
}
ver = (struct intel_version *)skb->data;
- if (ver->status) {
- BT_ERR("%s Intel fw version event failed (%02x)", hdev->name,
- ver->status);
- kfree_skb(skb);
- return -bt_to_errno(ver->status);
- }
BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x",
hdev->name, ver->hw_platform, ver->hw_variant,
/* fw_patch_num indicates the version of patch the device currently
* have. If there is no patch data in the device, it is always 0x00.
- * So, if it is other than 0x00, no need to patch the deivce again.
+ * So, if it is other than 0x00, no need to patch the device again.
*/
if (ver->fw_patch_num) {
BT_INFO("%s: Intel device is already patched. patch num: %02x",
hdev->name, ver->fw_patch_num);
kfree_skb(skb);
- return 0;
+ goto complete;
}
/* Opens the firmware patch file based on the firmware version read
fw = btusb_setup_intel_get_fw(hdev, ver);
if (!fw) {
kfree_skb(skb);
- return 0;
+ goto complete;
}
fw_ptr = fw->data;
+ kfree_skb(skb);
+
/* This Intel specific command enables the manufacturer mode of the
* controller.
*
BT_ERR("%s entering Intel manufacturer mode failed (%ld)",
hdev->name, PTR_ERR(skb));
release_firmware(fw);
- return -PTR_ERR(skb);
+ return PTR_ERR(skb);
}
- if (skb->data[0]) {
- u8 evt_status = skb->data[0];
- BT_ERR("%s enable Intel manufacturer mode event failed (%02x)",
- hdev->name, evt_status);
- kfree_skb(skb);
- release_firmware(fw);
- return -bt_to_errno(evt_status);
- }
kfree_skb(skb);
disable_patch = 1;
if (IS_ERR(skb)) {
BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
hdev->name, PTR_ERR(skb));
- return -PTR_ERR(skb);
+ return PTR_ERR(skb);
}
kfree_skb(skb);
BT_INFO("%s: Intel Bluetooth firmware patch completed and activated",
hdev->name);
- return 0;
+ goto complete;
exit_mfg_disable:
/* Disable the manufacturer mode without reset */
if (IS_ERR(skb)) {
BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
hdev->name, PTR_ERR(skb));
- return -PTR_ERR(skb);
+ return PTR_ERR(skb);
}
kfree_skb(skb);
BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name);
- return 0;
+
+ goto complete;
exit_mfg_deactivate:
release_firmware(fw);
if (IS_ERR(skb)) {
BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
hdev->name, PTR_ERR(skb));
- return -PTR_ERR(skb);
+ return PTR_ERR(skb);
}
kfree_skb(skb);
BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated",
hdev->name);
+complete:
+ /* Set the event mask for Intel specific vendor events. This enables
+ * a few extra events that are useful during general operation.
+ */
+ btintel_set_event_mask_mfg(hdev, false);
+
+ btintel_check_bdaddr(hdev);
return 0;
}
-static int btusb_probe(struct usb_interface *intf,
- const struct usb_device_id *id)
+static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode)
{
- struct usb_endpoint_descriptor *ep_desc;
- struct btusb_data *data;
- struct hci_dev *hdev;
- int i, err;
+ struct sk_buff *skb;
+ struct hci_event_hdr *hdr;
+ struct hci_ev_cmd_complete *evt;
- BT_DBG("intf %p id %p", intf, id);
+ skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_ATOMIC);
+ if (!skb)
+ return -ENOMEM;
- /* interface numbers are hardcoded in the spec */
- if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
- return -ENODEV;
+ hdr = (struct hci_event_hdr *)skb_put(skb, sizeof(*hdr));
+ hdr->evt = HCI_EV_CMD_COMPLETE;
+ hdr->plen = sizeof(*evt) + 1;
- if (!id->driver_info) {
- const struct usb_device_id *match;
- match = usb_match_id(intf, blacklist_table);
- if (match)
- id = match;
- }
+ evt = (struct hci_ev_cmd_complete *)skb_put(skb, sizeof(*evt));
+ evt->ncmd = 0x01;
+ evt->opcode = cpu_to_le16(opcode);
- if (id->driver_info == BTUSB_IGNORE)
- return -ENODEV;
+ *skb_put(skb, 1) = 0x00;
- if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER)
- return -ENODEV;
+ bt_cb(skb)->pkt_type = HCI_EVENT_PKT;
- if (ignore_csr && id->driver_info & BTUSB_CSR)
- return -ENODEV;
+ return hci_recv_frame(hdev, skb);
+}
- if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER)
- return -ENODEV;
+static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer,
+ int count)
+{
+ /* When the device is in bootloader mode, then it can send
+ * events via the bulk endpoint. These events are treated the
+ * same way as the ones received from the interrupt endpoint.
+ */
+ if (test_bit(BTUSB_BOOTLOADER, &data->flags))
+ return btusb_recv_intr(data, buffer, count);
- if (id->driver_info & BTUSB_ATH3012) {
- struct usb_device *udev = interface_to_usbdev(intf);
+ return btusb_recv_bulk(data, buffer, count);
+}
- /* Old firmware would otherwise let ath3k driver load
- * patch and sysconfig files */
- if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001)
- return -ENODEV;
+static void btusb_intel_bootup(struct btusb_data *data, const void *ptr,
+ unsigned int len)
+{
+ const struct intel_bootup *evt = ptr;
+
+ if (len != sizeof(*evt))
+ return;
+
+ if (test_and_clear_bit(BTUSB_BOOTING, &data->flags)) {
+ smp_mb__after_atomic();
+ wake_up_bit(&data->flags, BTUSB_BOOTING);
}
+}
- data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
- if (!data)
- return -ENOMEM;
+static void btusb_intel_secure_send_result(struct btusb_data *data,
+ const void *ptr, unsigned int len)
+{
+ const struct intel_secure_send_result *evt = ptr;
- for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
- ep_desc = &intf->cur_altsetting->endpoint[i].desc;
+ if (len != sizeof(*evt))
+ return;
- if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
- data->intr_ep = ep_desc;
- continue;
- }
+ if (evt->result)
+ set_bit(BTUSB_FIRMWARE_FAILED, &data->flags);
- if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
- data->bulk_tx_ep = ep_desc;
- continue;
- }
+ if (test_and_clear_bit(BTUSB_DOWNLOADING, &data->flags) &&
+ test_bit(BTUSB_FIRMWARE_LOADED, &data->flags)) {
+ smp_mb__after_atomic();
+ wake_up_bit(&data->flags, BTUSB_DOWNLOADING);
+ }
+}
- if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
- data->bulk_rx_ep = ep_desc;
- continue;
+static int btusb_recv_event_intel(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct btusb_data *data = hci_get_drvdata(hdev);
+
+ if (test_bit(BTUSB_BOOTLOADER, &data->flags)) {
+ struct hci_event_hdr *hdr = (void *)skb->data;
+
+ if (skb->len > HCI_EVENT_HDR_SIZE && hdr->evt == 0xff &&
+ hdr->plen > 0) {
+ const void *ptr = skb->data + HCI_EVENT_HDR_SIZE + 1;
+ unsigned int len = skb->len - HCI_EVENT_HDR_SIZE - 1;
+
+ switch (skb->data[2]) {
+ case 0x02:
+ /* When switching to the operational firmware
+ * the device sends a vendor specific event
+ * indicating that the bootup completed.
+ */
+ btusb_intel_bootup(data, ptr, len);
+ break;
+ case 0x06:
+ /* When the firmware loading completes the
+ * device sends out a vendor specific event
+ * indicating the result of the firmware
+ * loading.
+ */
+ btusb_intel_secure_send_result(data, ptr, len);
+ break;
+ }
}
}
- if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep)
- return -ENODEV;
-
- data->cmdreq_type = USB_TYPE_CLASS;
+ return hci_recv_frame(hdev, skb);
+}
- data->udev = interface_to_usbdev(intf);
- data->intf = intf;
+static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct btusb_data *data = hci_get_drvdata(hdev);
+ struct urb *urb;
- spin_lock_init(&data->lock);
+ BT_DBG("%s", hdev->name);
- INIT_WORK(&data->work, btusb_work);
- INIT_WORK(&data->waker, btusb_waker);
- spin_lock_init(&data->txlock);
+ switch (bt_cb(skb)->pkt_type) {
+ case HCI_COMMAND_PKT:
+ if (test_bit(BTUSB_BOOTLOADER, &data->flags)) {
+ struct hci_command_hdr *cmd = (void *)skb->data;
+ __u16 opcode = le16_to_cpu(cmd->opcode);
+
+ /* When in bootloader mode and the command 0xfc09
+ * is received, it needs to be send down the
+ * bulk endpoint. So allocate a bulk URB instead.
+ */
+ if (opcode == 0xfc09)
+ urb = alloc_bulk_urb(hdev, skb);
+ else
+ urb = alloc_ctrl_urb(hdev, skb);
+
+ /* When the 0xfc01 command is issued to boot into
+ * the operational firmware, it will actually not
+ * send a command complete event. To keep the flow
+ * control working inject that event here.
+ */
+ if (opcode == 0xfc01)
+ inject_cmd_complete(hdev, opcode);
+ } else {
+ urb = alloc_ctrl_urb(hdev, skb);
+ }
+ if (IS_ERR(urb))
+ return PTR_ERR(urb);
- init_usb_anchor(&data->tx_anchor);
- init_usb_anchor(&data->intr_anchor);
- init_usb_anchor(&data->bulk_anchor);
- init_usb_anchor(&data->isoc_anchor);
- init_usb_anchor(&data->deferred);
+ hdev->stat.cmd_tx++;
+ return submit_or_queue_tx_urb(hdev, urb);
- hdev = hci_alloc_dev();
- if (!hdev)
- return -ENOMEM;
+ case HCI_ACLDATA_PKT:
+ urb = alloc_bulk_urb(hdev, skb);
+ if (IS_ERR(urb))
+ return PTR_ERR(urb);
- hdev->bus = HCI_USB;
- hci_set_drvdata(hdev, data);
+ hdev->stat.acl_tx++;
+ return submit_or_queue_tx_urb(hdev, urb);
- data->hdev = hdev;
+ case HCI_SCODATA_PKT:
+ if (hci_conn_num(hdev, SCO_LINK) < 1)
+ return -ENODEV;
- SET_HCIDEV_DEV(hdev, &intf->dev);
+ urb = alloc_isoc_urb(hdev, skb);
+ if (IS_ERR(urb))
+ return PTR_ERR(urb);
- hdev->open = btusb_open;
- hdev->close = btusb_close;
- hdev->flush = btusb_flush;
- hdev->send = btusb_send_frame;
- hdev->notify = btusb_notify;
+ hdev->stat.sco_tx++;
+ return submit_tx_urb(hdev, urb);
+ }
- if (id->driver_info & BTUSB_BCM92035)
- hdev->setup = btusb_setup_bcm92035;
+ return -EILSEQ;
+}
- if (id->driver_info & BTUSB_INTEL)
- hdev->setup = btusb_setup_intel;
+static int btusb_setup_intel_new(struct hci_dev *hdev)
+{
+ static const u8 reset_param[] = { 0x00, 0x01, 0x00, 0x01,
+ 0x00, 0x08, 0x04, 0x00 };
+ struct btusb_data *data = hci_get_drvdata(hdev);
+ struct sk_buff *skb;
+ struct intel_version *ver;
+ struct intel_boot_params *params;
+ const struct firmware *fw;
+ const u8 *fw_ptr;
+ u32 frag_len;
+ char fwname[64];
+ ktime_t calltime, delta, rettime;
+ unsigned long long duration;
+ int err;
- /* Interface numbers are hardcoded in the specification */
- data->isoc = usb_ifnum_to_if(data->udev, 1);
+ BT_DBG("%s", hdev->name);
- if (!reset)
- set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
+ calltime = ktime_get();
- if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) {
- if (!disable_scofix)
- set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
+ /* Read the Intel version information to determine if the device
+ * is in bootloader mode or if it already has operational firmware
+ * loaded.
+ */
+ skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ BT_ERR("%s: Reading Intel version information failed (%ld)",
+ hdev->name, PTR_ERR(skb));
+ return PTR_ERR(skb);
}
- if (id->driver_info & BTUSB_BROKEN_ISOC)
- data->isoc = NULL;
-
- if (id->driver_info & BTUSB_DIGIANSWER) {
- data->cmdreq_type = USB_TYPE_VENDOR;
- set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
+ if (skb->len != sizeof(*ver)) {
+ BT_ERR("%s: Intel version event size mismatch", hdev->name);
+ kfree_skb(skb);
+ return -EILSEQ;
}
- if (id->driver_info & BTUSB_CSR) {
- struct usb_device *udev = data->udev;
+ ver = (struct intel_version *)skb->data;
- /* Old firmware would otherwise execute USB reset */
- if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117)
- set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
+ /* The hardware platform number has a fixed value of 0x37 and
+ * for now only accept this single value.
+ */
+ if (ver->hw_platform != 0x37) {
+ BT_ERR("%s: Unsupported Intel hardware platform (%u)",
+ hdev->name, ver->hw_platform);
+ kfree_skb(skb);
+ return -EINVAL;
}
- if (id->driver_info & BTUSB_SNIFFER) {
- struct usb_device *udev = data->udev;
+ /* At the moment only the hardware variant iBT 3.0 (LnP/SfP) is
+ * supported by this firmware loading method. This check has been
+ * put in place to ensure correct forward compatibility options
+ * when newer hardware variants come along.
+ */
+ if (ver->hw_variant != 0x0b) {
+ BT_ERR("%s: Unsupported Intel hardware variant (%u)",
+ hdev->name, ver->hw_variant);
+ kfree_skb(skb);
+ return -EINVAL;
+ }
- /* New sniffer firmware has crippled HCI interface */
- if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997)
- set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
+ btintel_version_info(hdev, ver);
- data->isoc = NULL;
+ /* The firmware variant determines if the device is in bootloader
+ * mode or is running operational firmware. The value 0x06 identifies
+ * the bootloader and the value 0x23 identifies the operational
+ * firmware.
+ *
+ * When the operational firmware is already present, then only
+ * the check for valid Bluetooth device address is needed. This
+ * determines if the device will be added as configured or
+ * unconfigured controller.
+ *
+ * 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) {
+ kfree_skb(skb);
+ clear_bit(BTUSB_BOOTLOADER, &data->flags);
+ btintel_check_bdaddr(hdev);
+ return 0;
}
- if (data->isoc) {
- err = usb_driver_claim_interface(&btusb_driver,
- data->isoc, data);
- if (err < 0) {
- hci_free_dev(hdev);
- return err;
- }
+ /* 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) {
+ BT_ERR("%s: Unsupported Intel firmware variant (%u)",
+ hdev->name, ver->fw_variant);
+ kfree_skb(skb);
+ return -ENODEV;
}
- err = hci_register_dev(hdev);
- if (err < 0) {
+ kfree_skb(skb);
+
+ /* Read the secure boot parameters to identify the operating
+ * details of the bootloader.
+ */
+ skb = __hci_cmd_sync(hdev, 0xfc0d, 0, NULL, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ BT_ERR("%s: Reading Intel boot parameters failed (%ld)",
+ hdev->name, PTR_ERR(skb));
+ return PTR_ERR(skb);
+ }
+
+ if (skb->len != sizeof(*params)) {
+ BT_ERR("%s: Intel boot parameters size mismatch", hdev->name);
+ kfree_skb(skb);
+ return -EILSEQ;
+ }
+
+ params = (struct intel_boot_params *)skb->data;
+
+ BT_INFO("%s: Device revision is %u", hdev->name,
+ le16_to_cpu(params->dev_revid));
+
+ BT_INFO("%s: Secure boot is %s", hdev->name,
+ params->secure_boot ? "enabled" : "disabled");
+
+ BT_INFO("%s: OTP lock is %s", hdev->name,
+ params->otp_lock ? "enabled" : "disabled");
+
+ BT_INFO("%s: API lock is %s", hdev->name,
+ params->api_lock ? "enabled" : "disabled");
+
+ BT_INFO("%s: Debug lock is %s", hdev->name,
+ params->debug_lock ? "enabled" : "disabled");
+
+ BT_INFO("%s: Minimum firmware build %u week %u %u", hdev->name,
+ params->min_fw_build_nn, params->min_fw_build_cw,
+ 2000 + params->min_fw_build_yy);
+
+ /* It is required that every single firmware fragment is acknowledged
+ * 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) {
+ BT_ERR("%s: Unsupported Intel firmware loading method (%u)",
+ hdev->name, params->limited_cce);
+ kfree_skb(skb);
+ 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)) {
+ BT_INFO("%s: No device address configured", hdev->name);
+ set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
+ }
+
+ /* With this Intel bootloader only the hardware variant and device
+ * revision information are used to select the right firmware.
+ *
+ * Currently this bootloader support is limited to hardware variant
+ * iBT 3.0 (LnP/SfP) which is identified by the value 11 (0x0b).
+ */
+ snprintf(fwname, sizeof(fwname), "intel/ibt-11-%u.sfi",
+ le16_to_cpu(params->dev_revid));
+
+ err = request_firmware(&fw, fwname, &hdev->dev);
+ if (err < 0) {
+ BT_ERR("%s: Failed to load Intel firmware file (%d)",
+ hdev->name, err);
+ kfree_skb(skb);
+ return err;
+ }
+
+ BT_INFO("%s: Found device firmware: %s", hdev->name, fwname);
+
+ /* Save the DDC file name for later use to apply once the firmware
+ * downloading is done.
+ */
+ snprintf(fwname, sizeof(fwname), "intel/ibt-11-%u.ddc",
+ le16_to_cpu(params->dev_revid));
+
+ kfree_skb(skb);
+
+ if (fw->size < 644) {
+ BT_ERR("%s: Invalid size of firmware file (%zu)",
+ hdev->name, fw->size);
+ err = -EBADF;
+ goto done;
+ }
+
+ set_bit(BTUSB_DOWNLOADING, &data->flags);
+
+ /* Start the firmware download transaction with the Init fragment
+ * represented by the 128 bytes of CSS header.
+ */
+ err = btintel_secure_send(hdev, 0x00, 128, fw->data);
+ if (err < 0) {
+ BT_ERR("%s: Failed to send firmware header (%d)",
+ hdev->name, err);
+ goto done;
+ }
+
+ /* Send the 256 bytes of public key information from the firmware
+ * as the PKey fragment.
+ */
+ err = btintel_secure_send(hdev, 0x03, 256, fw->data + 128);
+ if (err < 0) {
+ BT_ERR("%s: Failed to send firmware public key (%d)",
+ hdev->name, err);
+ goto done;
+ }
+
+ /* Send the 256 bytes of signature information from the firmware
+ * as the Sign fragment.
+ */
+ err = btintel_secure_send(hdev, 0x02, 256, fw->data + 388);
+ if (err < 0) {
+ BT_ERR("%s: Failed to send firmware signature (%d)",
+ hdev->name, err);
+ goto done;
+ }
+
+ fw_ptr = fw->data + 644;
+ frag_len = 0;
+
+ while (fw_ptr - fw->data < fw->size) {
+ struct hci_command_hdr *cmd = (void *)(fw_ptr + frag_len);
+
+ frag_len += sizeof(*cmd) + cmd->plen;
+
+ /* The parameter length of the secure send command requires
+ * a 4 byte alignment. It happens so that the firmware file
+ * contains proper Intel_NOP commands to align the fragments
+ * as needed.
+ *
+ * Send set of commands with 4 byte alignment from the
+ * firmware data buffer as a single Data fragement.
+ */
+ if (!(frag_len % 4)) {
+ err = btintel_secure_send(hdev, 0x01, frag_len, fw_ptr);
+ if (err < 0) {
+ BT_ERR("%s: Failed to send firmware data (%d)",
+ hdev->name, err);
+ goto done;
+ }
+
+ fw_ptr += frag_len;
+ frag_len = 0;
+ }
+ }
+
+ set_bit(BTUSB_FIRMWARE_LOADED, &data->flags);
+
+ BT_INFO("%s: Waiting for firmware download to complete", hdev->name);
+
+ /* Before switching the device into operational mode and with that
+ * booting the loaded firmware, wait for the bootloader notification
+ * that all fragments have been successfully received.
+ *
+ * When the event processing receives the notification, then the
+ * BTUSB_DOWNLOADING flag will be cleared.
+ *
+ * The firmware loading should not take longer than 5 seconds
+ * and thus just timeout if that happens and fail the setup
+ * of this device.
+ */
+ err = wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING,
+ TASK_INTERRUPTIBLE,
+ msecs_to_jiffies(5000));
+ if (err == 1) {
+ BT_ERR("%s: Firmware loading interrupted", hdev->name);
+ err = -EINTR;
+ goto done;
+ }
+
+ if (err) {
+ BT_ERR("%s: Firmware loading timeout", hdev->name);
+ err = -ETIMEDOUT;
+ goto done;
+ }
+
+ if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) {
+ BT_ERR("%s: Firmware loading failed", hdev->name);
+ err = -ENOEXEC;
+ goto done;
+ }
+
+ rettime = ktime_get();
+ delta = ktime_sub(rettime, calltime);
+ duration = (unsigned long long) ktime_to_ns(delta) >> 10;
+
+ BT_INFO("%s: Firmware loaded in %llu usecs", hdev->name, duration);
+
+done:
+ release_firmware(fw);
+
+ if (err < 0)
+ return err;
+
+ calltime = ktime_get();
+
+ set_bit(BTUSB_BOOTING, &data->flags);
+
+ skb = __hci_cmd_sync(hdev, 0xfc01, sizeof(reset_param), reset_param,
+ HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb))
+ return PTR_ERR(skb);
+
+ kfree_skb(skb);
+
+ /* The bootloader will not indicate when the device is ready. This
+ * is done by the operational firmware sending bootup notification.
+ *
+ * Booting into operational firmware should not take longer than
+ * 1 second. However if that happens, then just fail the setup
+ * since something went wrong.
+ */
+ BT_INFO("%s: Waiting for device to boot", hdev->name);
+
+ err = wait_on_bit_timeout(&data->flags, BTUSB_BOOTING,
+ TASK_INTERRUPTIBLE,
+ msecs_to_jiffies(1000));
+
+ if (err == 1) {
+ BT_ERR("%s: Device boot interrupted", hdev->name);
+ return -EINTR;
+ }
+
+ if (err) {
+ BT_ERR("%s: Device boot timeout", hdev->name);
+ return -ETIMEDOUT;
+ }
+
+ rettime = ktime_get();
+ delta = ktime_sub(rettime, calltime);
+ duration = (unsigned long long) ktime_to_ns(delta) >> 10;
+
+ BT_INFO("%s: Device booted in %llu usecs", hdev->name, duration);
+
+ 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.
+ */
+ btintel_load_ddc_config(hdev, fwname);
+
+ /* Set the event mask for Intel specific vendor events. This enables
+ * a few extra events that are useful during general operation. It
+ * does not enable any debugging related events.
+ *
+ * The device will function correctly without these events enabled
+ * and thus no need to fail the setup.
+ */
+ btintel_set_event_mask(hdev, false);
+
+ return 0;
+}
+
+static int btusb_shutdown_intel(struct hci_dev *hdev)
+{
+ struct sk_buff *skb;
+ long ret;
+
+ /* Some platforms have an issue with BT LED when the interface is
+ * down or BT radio is turned off, which takes 5 seconds to BT LED
+ * goes off. This command turns off the BT LED immediately.
+ */
+ skb = __hci_cmd_sync(hdev, 0xfc3f, 0, NULL, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ ret = PTR_ERR(skb);
+ BT_ERR("%s: turning off Intel device LED failed (%ld)",
+ hdev->name, ret);
+ return ret;
+ }
+ kfree_skb(skb);
+
+ return 0;
+}
+
+static int btusb_set_bdaddr_marvell(struct hci_dev *hdev,
+ const bdaddr_t *bdaddr)
+{
+ struct sk_buff *skb;
+ u8 buf[8];
+ long ret;
+
+ buf[0] = 0xfe;
+ buf[1] = sizeof(bdaddr_t);
+ memcpy(buf + 2, bdaddr, sizeof(bdaddr_t));
+
+ skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ ret = PTR_ERR(skb);
+ BT_ERR("%s: changing Marvell device address failed (%ld)",
+ hdev->name, ret);
+ return ret;
+ }
+ kfree_skb(skb);
+
+ return 0;
+}
+
+static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev,
+ const bdaddr_t *bdaddr)
+{
+ struct sk_buff *skb;
+ u8 buf[10];
+ long ret;
+
+ buf[0] = 0x01;
+ buf[1] = 0x01;
+ buf[2] = 0x00;
+ buf[3] = sizeof(bdaddr_t);
+ memcpy(buf + 4, bdaddr, sizeof(bdaddr_t));
+
+ skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ ret = PTR_ERR(skb);
+ BT_ERR("%s: Change address command failed (%ld)",
+ hdev->name, ret);
+ return ret;
+ }
+ kfree_skb(skb);
+
+ return 0;
+}
+
+#define QCA_DFU_PACKET_LEN 4096
+
+#define QCA_GET_TARGET_VERSION 0x09
+#define QCA_CHECK_STATUS 0x05
+#define QCA_DFU_DOWNLOAD 0x01
+
+#define QCA_SYSCFG_UPDATED 0x40
+#define QCA_PATCH_UPDATED 0x80
+#define QCA_DFU_TIMEOUT 3000
+
+struct qca_version {
+ __le32 rom_version;
+ __le32 patch_version;
+ __le32 ram_version;
+ __le32 ref_clock;
+ __u8 reserved[4];
+} __packed;
+
+struct qca_rampatch_version {
+ __le16 rom_version;
+ __le16 patch_version;
+} __packed;
+
+struct qca_device_info {
+ u32 rom_version;
+ u8 rampatch_hdr; /* length of header in rampatch */
+ u8 nvm_hdr; /* length of header in NVM */
+ u8 ver_offset; /* offset of version structure in rampatch */
+};
+
+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 */
+};
+
+static int btusb_qca_send_vendor_req(struct hci_dev *hdev, u8 request,
+ void *data, u16 size)
+{
+ struct btusb_data *btdata = hci_get_drvdata(hdev);
+ struct usb_device *udev = btdata->udev;
+ int pipe, err;
+ u8 *buf;
+
+ buf = kmalloc(size, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ /* Found some of USB hosts have IOT issues with ours so that we should
+ * not wait until HCI layer is ready.
+ */
+ pipe = usb_rcvctrlpipe(udev, 0);
+ err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN,
+ 0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
+ if (err < 0) {
+ BT_ERR("%s: Failed to access otp area (%d)", hdev->name, err);
+ goto done;
+ }
+
+ memcpy(data, buf, size);
+
+done:
+ kfree(buf);
+
+ return err;
+}
+
+static int btusb_setup_qca_download_fw(struct hci_dev *hdev,
+ const struct firmware *firmware,
+ size_t hdr_size)
+{
+ struct btusb_data *btdata = hci_get_drvdata(hdev);
+ struct usb_device *udev = btdata->udev;
+ size_t count, size, sent = 0;
+ int pipe, len, err;
+ u8 *buf;
+
+ buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ count = firmware->size;
+
+ size = min_t(size_t, count, hdr_size);
+ memcpy(buf, firmware->data, size);
+
+ /* USB patches should go down to controller through USB path
+ * because binary format fits to go down through USB channel.
+ * USB control path is for patching headers and USB bulk is for
+ * patch body.
+ */
+ pipe = usb_sndctrlpipe(udev, 0);
+ err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR,
+ 0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
+ if (err < 0) {
+ BT_ERR("%s: Failed to send headers (%d)", hdev->name, err);
+ goto done;
+ }
+
+ sent += size;
+ count -= size;
+
+ while (count) {
+ size = min_t(size_t, count, QCA_DFU_PACKET_LEN);
+
+ memcpy(buf, firmware->data + sent, size);
+
+ pipe = usb_sndbulkpipe(udev, 0x02);
+ err = usb_bulk_msg(udev, pipe, buf, size, &len,
+ QCA_DFU_TIMEOUT);
+ if (err < 0) {
+ BT_ERR("%s: Failed to send body at %zd of %zd (%d)",
+ hdev->name, sent, firmware->size, err);
+ break;
+ }
+
+ if (size != len) {
+ BT_ERR("%s: Failed to get bulk buffer", hdev->name);
+ err = -EILSEQ;
+ break;
+ }
+
+ sent += size;
+ count -= size;
+ }
+
+done:
+ kfree(buf);
+ return err;
+}
+
+static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev,
+ struct qca_version *ver,
+ const struct qca_device_info *info)
+{
+ struct qca_rampatch_version *rver;
+ const struct firmware *fw;
+ u32 ver_rom, ver_patch;
+ u16 rver_rom, rver_patch;
+ char fwname[64];
+ int err;
+
+ ver_rom = le32_to_cpu(ver->rom_version);
+ ver_patch = le32_to_cpu(ver->patch_version);
+
+ snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom);
+
+ err = request_firmware(&fw, fwname, &hdev->dev);
+ if (err) {
+ BT_ERR("%s: failed to request rampatch file: %s (%d)",
+ hdev->name, fwname, err);
+ return err;
+ }
+
+ BT_INFO("%s: using rampatch file: %s", hdev->name, fwname);
+
+ rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset);
+ rver_rom = le16_to_cpu(rver->rom_version);
+ rver_patch = le16_to_cpu(rver->patch_version);
+
+ BT_INFO("%s: QCA: patch rome 0x%x build 0x%x, firmware rome 0x%x "
+ "build 0x%x", hdev->name, rver_rom, rver_patch, ver_rom,
+ ver_patch);
+
+ if (rver_rom != ver_rom || rver_patch <= ver_patch) {
+ BT_ERR("%s: rampatch file version did not match with firmware",
+ hdev->name);
+ err = -EINVAL;
+ goto done;
+ }
+
+ err = btusb_setup_qca_download_fw(hdev, fw, info->rampatch_hdr);
+
+done:
+ release_firmware(fw);
+
+ return err;
+}
+
+static int btusb_setup_qca_load_nvm(struct hci_dev *hdev,
+ struct qca_version *ver,
+ const struct qca_device_info *info)
+{
+ const struct firmware *fw;
+ char fwname[64];
+ int err;
+
+ snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
+ le32_to_cpu(ver->rom_version));
+
+ err = request_firmware(&fw, fwname, &hdev->dev);
+ if (err) {
+ BT_ERR("%s: failed to request NVM file: %s (%d)",
+ hdev->name, fwname, err);
+ return err;
+ }
+
+ BT_INFO("%s: using NVM file: %s", hdev->name, fwname);
+
+ err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr);
+
+ release_firmware(fw);
+
+ return err;
+}
+
+static int btusb_setup_qca(struct hci_dev *hdev)
+{
+ const struct qca_device_info *info = NULL;
+ struct qca_version ver;
+ u32 ver_rom;
+ u8 status;
+ int i, err;
+
+ err = btusb_qca_send_vendor_req(hdev, QCA_GET_TARGET_VERSION, &ver,
+ sizeof(ver));
+ if (err < 0)
+ return err;
+
+ ver_rom = le32_to_cpu(ver.rom_version);
+ 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) {
+ BT_ERR("%s: don't support firmware rome 0x%x", hdev->name,
+ ver_rom);
+ return -ENODEV;
+ }
+
+ err = btusb_qca_send_vendor_req(hdev, QCA_CHECK_STATUS, &status,
+ sizeof(status));
+ if (err < 0)
+ return err;
+
+ if (!(status & QCA_PATCH_UPDATED)) {
+ err = btusb_setup_qca_load_rampatch(hdev, &ver, info);
+ if (err < 0)
+ return err;
+ }
+
+ if (!(status & QCA_SYSCFG_UPDATED)) {
+ err = btusb_setup_qca_load_nvm(hdev, &ver, info);
+ if (err < 0)
+ return err;
+ }
+
+ 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);
+ struct usb_interface *intf = data->diag;
+ int i;
+
+ if (!data->diag)
+ return -ENODEV;
+
+ data->diag_tx_ep = NULL;
+ data->diag_rx_ep = NULL;
+
+ for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
+ struct usb_endpoint_descriptor *ep_desc;
+
+ ep_desc = &intf->cur_altsetting->endpoint[i].desc;
+
+ if (!data->diag_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
+ data->diag_tx_ep = ep_desc;
+ continue;
+ }
+
+ if (!data->diag_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
+ data->diag_rx_ep = ep_desc;
+ continue;
+ }
+ }
+
+ if (!data->diag_tx_ep || !data->diag_rx_ep) {
+ BT_ERR("%s invalid diagnostic descriptors", hdev->name);
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+static struct urb *alloc_diag_urb(struct hci_dev *hdev, bool enable)
+{
+ struct btusb_data *data = hci_get_drvdata(hdev);
+ struct sk_buff *skb;
+ struct urb *urb;
+ unsigned int pipe;
+
+ if (!data->diag_tx_ep)
+ return ERR_PTR(-ENODEV);
+
+ urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!urb)
+ return ERR_PTR(-ENOMEM);
+
+ skb = bt_skb_alloc(2, GFP_KERNEL);
+ if (!skb) {
+ usb_free_urb(urb);
+ return ERR_PTR(-ENOMEM);
+ }
+
+ *skb_put(skb, 1) = 0xf0;
+ *skb_put(skb, 1) = enable;
+
+ pipe = usb_sndbulkpipe(data->udev, data->diag_tx_ep->bEndpointAddress);
+
+ usb_fill_bulk_urb(urb, data->udev, pipe,
+ skb->data, skb->len, btusb_tx_complete, skb);
+
+ skb->dev = (void *)hdev;
+
+ return urb;
+}
+
+static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable)
+{
+ struct btusb_data *data = hci_get_drvdata(hdev);
+ struct urb *urb;
+
+ if (!data->diag)
+ return -ENODEV;
+
+ if (!test_bit(HCI_RUNNING, &hdev->flags))
+ return -ENETDOWN;
+
+ urb = alloc_diag_urb(hdev, enable);
+ if (IS_ERR(urb))
+ return PTR_ERR(urb);
+
+ return submit_or_queue_tx_urb(hdev, urb);
+}
+#endif
+
+static int btusb_probe(struct usb_interface *intf,
+ const struct usb_device_id *id)
+{
+ struct usb_endpoint_descriptor *ep_desc;
+ struct btusb_data *data;
+ struct hci_dev *hdev;
+ unsigned ifnum_base;
+ int i, err;
+
+ BT_DBG("intf %p id %p", intf, id);
+
+ /* interface numbers are hardcoded in the spec */
+ if (intf->cur_altsetting->desc.bInterfaceNumber != 0) {
+ if (!(id->driver_info & BTUSB_IFNUM_2))
+ return -ENODEV;
+ if (intf->cur_altsetting->desc.bInterfaceNumber != 2)
+ return -ENODEV;
+ }
+
+ ifnum_base = intf->cur_altsetting->desc.bInterfaceNumber;
+
+ if (!id->driver_info) {
+ const struct usb_device_id *match;
+
+ match = usb_match_id(intf, blacklist_table);
+ if (match)
+ id = match;
+ }
+
+ if (id->driver_info == BTUSB_IGNORE)
+ return -ENODEV;
+
+ if (id->driver_info & BTUSB_ATH3012) {
+ struct usb_device *udev = interface_to_usbdev(intf);
+
+ /* Old firmware would otherwise let ath3k driver load
+ * patch and sysconfig files */
+ if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001)
+ return -ENODEV;
+ }
+
+ data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
+ ep_desc = &intf->cur_altsetting->endpoint[i].desc;
+
+ if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
+ data->intr_ep = ep_desc;
+ continue;
+ }
+
+ if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
+ data->bulk_tx_ep = ep_desc;
+ continue;
+ }
+
+ if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
+ data->bulk_rx_ep = ep_desc;
+ continue;
+ }
+ }
+
+ if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep)
+ return -ENODEV;
+
+ if (id->driver_info & BTUSB_AMP) {
+ data->cmdreq_type = USB_TYPE_CLASS | 0x01;
+ data->cmdreq = 0x2b;
+ } else {
+ data->cmdreq_type = USB_TYPE_CLASS;
+ data->cmdreq = 0x00;
+ }
+
+ data->udev = interface_to_usbdev(intf);
+ data->intf = intf;
+
+ INIT_WORK(&data->work, btusb_work);
+ INIT_WORK(&data->waker, btusb_waker);
+ init_usb_anchor(&data->deferred);
+ init_usb_anchor(&data->tx_anchor);
+ spin_lock_init(&data->txlock);
+
+ init_usb_anchor(&data->intr_anchor);
+ init_usb_anchor(&data->bulk_anchor);
+ init_usb_anchor(&data->isoc_anchor);
+ init_usb_anchor(&data->diag_anchor);
+ spin_lock_init(&data->rxlock);
+
+ if (id->driver_info & BTUSB_INTEL_NEW) {
+ data->recv_event = btusb_recv_event_intel;
+ data->recv_bulk = btusb_recv_bulk_intel;
+ set_bit(BTUSB_BOOTLOADER, &data->flags);
+ } else {
+ data->recv_event = hci_recv_frame;
+ data->recv_bulk = btusb_recv_bulk;
+ }
+
+ hdev = hci_alloc_dev();
+ if (!hdev)
+ return -ENOMEM;
+
+ hdev->bus = HCI_USB;
+ hci_set_drvdata(hdev, data);
+
+ if (id->driver_info & BTUSB_AMP)
+ hdev->dev_type = HCI_AMP;
+ else
+ hdev->dev_type = HCI_BREDR;
+
+ data->hdev = hdev;
+
+ SET_HCIDEV_DEV(hdev, &intf->dev);
+
+ hdev->open = btusb_open;
+ hdev->close = btusb_close;
+ hdev->flush = btusb_flush;
+ hdev->send = btusb_send_frame;
+ hdev->notify = btusb_notify;
+
+ if (id->driver_info & BTUSB_BCM2045)
+ set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
+
+ if (id->driver_info & BTUSB_BCM92035)
+ hdev->setup = btusb_setup_bcm92035;
+
+#ifdef CONFIG_BT_HCIBTUSB_BCM
+ if (id->driver_info & BTUSB_BCM_PATCHRAM) {
+ hdev->manufacturer = 15;
+ hdev->setup = btbcm_setup_patchram;
+ hdev->set_diag = btusb_bcm_set_diag;
+ hdev->set_bdaddr = btbcm_set_bdaddr;
+
+ /* Broadcom LM_DIAG Interface numbers are hardcoded */
+ data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
+ }
+
+ if (id->driver_info & BTUSB_BCM_APPLE) {
+ hdev->manufacturer = 15;
+ hdev->setup = btbcm_setup_apple;
+ hdev->set_diag = btusb_bcm_set_diag;
+
+ /* 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;
+ hdev->setup = btusb_setup_intel;
+ hdev->shutdown = btusb_shutdown_intel;
+ hdev->set_diag = btintel_set_diag_mfg;
+ hdev->set_bdaddr = btintel_set_bdaddr;
+ 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_INTEL_NEW) {
+ hdev->manufacturer = 2;
+ hdev->send = btusb_send_frame_intel;
+ hdev->setup = btusb_setup_intel_new;
+ hdev->hw_error = btintel_hw_error;
+ hdev->set_diag = btintel_set_diag;
+ hdev->set_bdaddr = btintel_set_bdaddr;
+ set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &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 (id->driver_info & BTUSB_SWAVE) {
+ set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks);
+ set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks);
+ }
+
+ if (id->driver_info & BTUSB_INTEL_BOOT) {
+ hdev->manufacturer = 2;
+ set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
+ }
+
+ if (id->driver_info & BTUSB_ATH3012) {
+ hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
+ set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
+ set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
+ }
+
+ if (id->driver_info & BTUSB_QCA_ROME) {
+ data->setup_on_usb = btusb_setup_qca;
+ hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
+ }
+
+#ifdef CONFIG_BT_HCIBTUSB_RTL
+ if (id->driver_info & BTUSB_REALTEK) {
+ hdev->setup = btrtl_setup_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.
+ */
+ set_bit(BTUSB_RESET_RESUME, &data->flags);
+ }
+#endif
+
+ if (id->driver_info & BTUSB_AMP) {
+ /* AMP controllers do not support SCO packets */
+ data->isoc = NULL;
+ } else {
+ /* Interface orders are hardcoded in the specification */
+ data->isoc = usb_ifnum_to_if(data->udev, ifnum_base + 1);
+ }
+
+ if (!reset)
+ set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
+
+ if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) {
+ if (!disable_scofix)
+ set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
+ }
+
+ if (id->driver_info & BTUSB_BROKEN_ISOC)
+ data->isoc = NULL;
+
+ if (id->driver_info & BTUSB_DIGIANSWER) {
+ data->cmdreq_type = USB_TYPE_VENDOR;
+ set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
+ }
+
+ if (id->driver_info & BTUSB_CSR) {
+ struct usb_device *udev = data->udev;
+ u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice);
+
+ /* Old firmware would otherwise execute USB reset */
+ 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;
+
+ set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
+ }
+
+ if (id->driver_info & BTUSB_SNIFFER) {
+ struct usb_device *udev = data->udev;
+
+ /* New sniffer firmware has crippled HCI interface */
+ if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997)
+ set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
+ }
+
+ if (id->driver_info & BTUSB_INTEL_BOOT) {
+ /* A bug in the bootloader causes that interrupt interface is
+ * only enabled after receiving SetInterface(0, AltSetting=0).
+ */
+ err = usb_set_interface(data->udev, 0, 0);
+ if (err < 0) {
+ BT_ERR("failed to set interface 0, alt 0 %d", err);
+ hci_free_dev(hdev);
+ return err;
+ }
+ }
+
+ if (data->isoc) {
+ err = usb_driver_claim_interface(&btusb_driver,
+ data->isoc, data);
+ if (err < 0) {
+ hci_free_dev(hdev);
+ return err;
+ }
+ }
+
+#ifdef CONFIG_BT_HCIBTUSB_BCM
+ if (data->diag) {
+ if (!usb_driver_claim_interface(&btusb_driver,
+ data->diag, data))
+ __set_diag_interface(hdev);
+ else
+ data->diag = NULL;
+ }
+#endif
+
+ err = hci_register_dev(hdev);
+ if (err < 0) {
hci_free_dev(hdev);
return err;
}
if (data->isoc)
usb_set_intfdata(data->isoc, NULL);
+ if (data->diag)
+ usb_set_intfdata(data->diag, NULL);
+
hci_unregister_dev(hdev);
- if (intf == data->isoc)
+ if (intf == data->intf) {
+ if (data->isoc)
+ usb_driver_release_interface(&btusb_driver, data->isoc);
+ if (data->diag)
+ usb_driver_release_interface(&btusb_driver, data->diag);
+ } else if (intf == data->isoc) {
+ if (data->diag)
+ usb_driver_release_interface(&btusb_driver, data->diag);
+ usb_driver_release_interface(&btusb_driver, data->intf);
+ } else if (intf == data->diag) {
usb_driver_release_interface(&btusb_driver, data->intf);
- else if (data->isoc)
- usb_driver_release_interface(&btusb_driver, data->isoc);
+ if (data->isoc)
+ usb_driver_release_interface(&btusb_driver, data->isoc);
+ }
hci_free_dev(hdev);
}
btusb_stop_traffic(data);
usb_kill_anchored_urbs(&data->tx_anchor);
+ /* Optionally request a device reset on resume, but only when
+ * wakeups are disabled. If wakeups are enabled we assume the
+ * device will stay powered up throughout suspend.
+ */
+ if (test_bit(BTUSB_RESET_RESUME, &data->flags) &&
+ !device_may_wakeup(&data->udev->dev))
+ data->udev->reset_resume = 1;
+
return 0;
}
module_usb_driver(btusb_driver);
-module_param(ignore_dga, bool, 0644);
-MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001");
-
-module_param(ignore_csr, bool, 0644);
-MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001");
-
-module_param(ignore_sniffer, bool, 0644);
-MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002");
-
module_param(disable_scofix, bool, 0644);
MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size");
projects / firefly-linux-kernel-4.4.55.git / blobdiff