diff options
| -rw-r--r-- | drivers/bluetooth/Kconfig | 3 | ||||
| -rw-r--r-- | drivers/bluetooth/Makefile | 1 | ||||
| -rw-r--r-- | drivers/bluetooth/btbcm.c | 99 | ||||
| -rw-r--r-- | drivers/bluetooth/btbcm.h | 41 |
4 files changed, 144 insertions, 0 deletions
diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig index f8a4197..4fbe067 100644 --- a/drivers/bluetooth/Kconfig +++ b/drivers/bluetooth/Kconfig @@ -2,6 +2,9 @@ menu "Bluetooth device drivers" depends on BT +config BT_BCM + tristate + config BT_HCIBTUSB tristate "HCI USB driver" depends on USB diff --git a/drivers/bluetooth/Makefile b/drivers/bluetooth/Makefile index 51f9d0c..51c9854 100644 --- a/drivers/bluetooth/Makefile +++ b/drivers/bluetooth/Makefile @@ -19,6 +19,7 @@ obj-$(CONFIG_BT_ATH3K) += ath3k.o obj-$(CONFIG_BT_MRVL) += btmrvl.o obj-$(CONFIG_BT_MRVL_SDIO) += btmrvl_sdio.o obj-$(CONFIG_BT_WILINK) += btwilink.o +obj-$(CONFIG_BT_BCM) += btbcm.o btmrvl-y := btmrvl_main.o btmrvl-$(CONFIG_DEBUG_FS) += btmrvl_debugfs.o diff --git a/drivers/bluetooth/btbcm.c b/drivers/bluetooth/btbcm.c new file mode 100644 index 0000000..20c744a --- /dev/null +++ b/drivers/bluetooth/btbcm.c @@ -0,0 +1,99 @@ +/* + * + * Bluetooth support for Broadcom devices + * + * Copyright (C) 2015 Intel Corporation + * + * + * 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/module.h> + +#include <net/bluetooth/bluetooth.h> +#include <net/bluetooth/hci_core.h> + +#include "btbcm.h" + +#define VERSION "0.1" + +#define BDADDR_BCM20702A0 (&(bdaddr_t) {{0x00, 0xa0, 0x02, 0x70, 0x20, 0x00}}) + +int btbcm_check_bdaddr(struct hci_dev *hdev) +{ + struct hci_rp_read_bd_addr *bda; + struct sk_buff *skb; + + skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL, + HCI_INIT_TIMEOUT); + if (IS_ERR(skb)) { + int err = PTR_ERR(skb); + BT_ERR("%s: BCM: Reading device address failed (%d)", + hdev->name, err); + return err; + } + + if (skb->len != sizeof(*bda)) { + BT_ERR("%s: BCM: Device address length mismatch", hdev->name); + kfree_skb(skb); + return -EIO; + } + + bda = (struct hci_rp_read_bd_addr *)skb->data; + if (bda->status) { + BT_ERR("%s: BCM: Device address result failed (%02x)", + hdev->name, bda->status); + kfree_skb(skb); + return -bt_to_errno(bda->status); + } + + /* The address 00:20:70:02:A0:00 indicates a BCM20702A0 controller + * with no configured address. + */ + if (!bacmp(&bda->bdaddr, BDADDR_BCM20702A0)) { + BT_INFO("%s: BCM: Using default device address (%pMR)", + hdev->name, &bda->bdaddr); + set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); + } + + kfree_skb(skb); + + return 0; +} +EXPORT_SYMBOL_GPL(btbcm_check_bdaddr); + +int btbcm_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr) +{ + struct sk_buff *skb; + int err; + + skb = __hci_cmd_sync(hdev, 0xfc01, 6, bdaddr, HCI_INIT_TIMEOUT); + if (IS_ERR(skb)) { + err = PTR_ERR(skb); + BT_ERR("%s: BCM: Change address command failed (%d)", + hdev->name, err); + return err; + } + kfree_skb(skb); + + return 0; +} +EXPORT_SYMBOL_GPL(btbcm_set_bdaddr); + +MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); +MODULE_DESCRIPTION("Bluetooth support for Broadcom devices ver " VERSION); +MODULE_VERSION(VERSION); +MODULE_LICENSE("GPL"); diff --git a/drivers/bluetooth/btbcm.h b/drivers/bluetooth/btbcm.h new file mode 100644 index 0000000..813f7e7 --- /dev/null +++ b/drivers/bluetooth/btbcm.h @@ -0,0 +1,41 @@ +/* + * + * Bluetooth support for Broadcom devices + * + * Copyright (C) 2015 Intel Corporation + * + * + * 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 + * + */ + +#if IS_ENABLED(CONFIG_BT_BCM) + +int btbcm_check_bdaddr(struct hci_dev *hdev); +int btbcm_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr); + +#else + +static inline int btbcm_check_bdaddr(struct hci_dev *hdev) +{ + return -EOPNOTSUPP; +} + +static inline int btbcm_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr) +{ + return -EOPNOTSUPP; +} + +#endif |