diff options
Diffstat (limited to 'drivers/bluetooth/hci_uart.h')
| -rw-r--r-- | drivers/bluetooth/hci_uart.h | 152 |
1 files changed, 127 insertions, 25 deletions
diff --git a/drivers/bluetooth/hci_uart.h b/drivers/bluetooth/hci_uart.h index fffa61ff5cb1..48ac7ca9334e 100644 --- a/drivers/bluetooth/hci_uart.h +++ b/drivers/bluetooth/hci_uart.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * * Bluetooth HCI UART driver @@ -5,22 +6,6 @@ * Copyright (C) 2000-2001 Qualcomm Incorporated * Copyright (C) 2002-2003 Maxim Krasnyansky <maxk@qualcomm.com> * Copyright (C) 2004-2005 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 - * */ #ifndef N_HCI @@ -35,7 +20,7 @@ #define HCIUARTGETFLAGS _IOR('U', 204, int) /* UART protocols */ -#define HCI_UART_MAX_PROTO 6 +#define HCI_UART_MAX_PROTO 13 #define HCI_UART_H4 0 #define HCI_UART_BCSP 1 @@ -43,56 +28,143 @@ #define HCI_UART_H4DS 3 #define HCI_UART_LL 4 #define HCI_UART_ATH3K 5 +#define HCI_UART_INTEL 6 +#define HCI_UART_BCM 7 +#define HCI_UART_QCA 8 +#define HCI_UART_AG6XX 9 +#define HCI_UART_NOKIA 10 +#define HCI_UART_MRVL 11 +#define HCI_UART_AML 12 #define HCI_UART_RAW_DEVICE 0 #define HCI_UART_RESET_ON_INIT 1 -#define HCI_UART_CREATE_AMP 2 #define HCI_UART_INIT_PENDING 3 +#define HCI_UART_EXT_CONFIG 4 +#define HCI_UART_VND_DETECT 5 struct hci_uart; +struct serdev_device; struct hci_uart_proto { unsigned int id; + const char *name; + unsigned int manufacturer; + unsigned int init_speed; + unsigned int oper_speed; int (*open)(struct hci_uart *hu); int (*close)(struct hci_uart *hu); int (*flush)(struct hci_uart *hu); - int (*recv)(struct hci_uart *hu, void *data, int len); + int (*setup)(struct hci_uart *hu); + int (*set_baudrate)(struct hci_uart *hu, unsigned int speed); + int (*recv)(struct hci_uart *hu, const void *data, int len); int (*enqueue)(struct hci_uart *hu, struct sk_buff *skb); struct sk_buff *(*dequeue)(struct hci_uart *hu); }; struct hci_uart { struct tty_struct *tty; + struct serdev_device *serdev; struct hci_dev *hdev; unsigned long flags; unsigned long hdev_flags; struct work_struct init_ready; + struct work_struct write_work; - struct hci_uart_proto *proto; + const struct hci_uart_proto *proto; + struct percpu_rw_semaphore proto_lock; /* Stop work for proto close */ void *priv; struct sk_buff *tx_skb; unsigned long tx_state; - spinlock_t rx_lock; + + unsigned int init_speed; + unsigned int oper_speed; + + u8 alignment; + u8 padding; }; /* HCI_UART proto flag bits */ -#define HCI_UART_PROTO_SET 0 -#define HCI_UART_REGISTERED 1 +#define HCI_UART_PROTO_SET 0 +#define HCI_UART_REGISTERED 1 +#define HCI_UART_PROTO_READY 2 +#define HCI_UART_NO_SUSPEND_NOTIFIER 3 +#define HCI_UART_PROTO_INIT 4 /* TX states */ #define HCI_UART_SENDING 1 #define HCI_UART_TX_WAKEUP 2 -int hci_uart_register_proto(struct hci_uart_proto *p); -int hci_uart_unregister_proto(struct hci_uart_proto *p); +int hci_uart_register_proto(const struct hci_uart_proto *p); +int hci_uart_unregister_proto(const struct hci_uart_proto *p); + +int hci_uart_register_device_priv(struct hci_uart *hu, + const struct hci_uart_proto *p, + int sizeof_priv); + +static inline int hci_uart_register_device(struct hci_uart *hu, + const struct hci_uart_proto *p) +{ + return hci_uart_register_device_priv(hu, p, 0); +} + +void hci_uart_unregister_device(struct hci_uart *hu); + int hci_uart_tx_wakeup(struct hci_uart *hu); +int hci_uart_wait_until_sent(struct hci_uart *hu); int hci_uart_init_ready(struct hci_uart *hu); +void hci_uart_init_work(struct work_struct *work); +void hci_uart_set_baudrate(struct hci_uart *hu, unsigned int speed); +bool hci_uart_has_flow_control(struct hci_uart *hu); +void hci_uart_set_flow_control(struct hci_uart *hu, bool enable); +void hci_uart_set_speeds(struct hci_uart *hu, unsigned int init_speed, + unsigned int oper_speed); + +struct h4_recv_pkt { + u8 type; /* Packet type */ + u8 hlen; /* Header length */ + u8 loff; /* Data length offset in header */ + u8 lsize; /* Data length field size */ + u16 maxlen; /* Max overall packet length */ + int (*recv)(struct hci_dev *hdev, struct sk_buff *skb); +}; + +#define H4_RECV_ACL \ + .type = HCI_ACLDATA_PKT, \ + .hlen = HCI_ACL_HDR_SIZE, \ + .loff = 2, \ + .lsize = 2, \ + .maxlen = HCI_MAX_FRAME_SIZE \ + +#define H4_RECV_SCO \ + .type = HCI_SCODATA_PKT, \ + .hlen = HCI_SCO_HDR_SIZE, \ + .loff = 2, \ + .lsize = 1, \ + .maxlen = HCI_MAX_SCO_SIZE + +#define H4_RECV_EVENT \ + .type = HCI_EVENT_PKT, \ + .hlen = HCI_EVENT_HDR_SIZE, \ + .loff = 1, \ + .lsize = 1, \ + .maxlen = HCI_MAX_EVENT_SIZE + +#define H4_RECV_ISO \ + .type = HCI_ISODATA_PKT, \ + .hlen = HCI_ISO_HDR_SIZE, \ + .loff = 2, \ + .lsize = 2, \ + .maxlen = HCI_MAX_FRAME_SIZE \ #ifdef CONFIG_BT_HCIUART_H4 int h4_init(void); int h4_deinit(void); + +struct sk_buff *h4_recv_buf(struct hci_uart *hu, struct sk_buff *skb, + const unsigned char *buffer, int count, + const struct h4_recv_pkt *pkts, int pkts_count); #endif #ifdef CONFIG_BT_HCIUART_BCSP @@ -114,3 +186,33 @@ int ath_deinit(void); int h5_init(void); int h5_deinit(void); #endif + +#ifdef CONFIG_BT_HCIUART_INTEL +int intel_init(void); +int intel_deinit(void); +#endif + +#ifdef CONFIG_BT_HCIUART_BCM +int bcm_init(void); +int bcm_deinit(void); +#endif + +#ifdef CONFIG_BT_HCIUART_QCA +int qca_init(void); +int qca_deinit(void); +#endif + +#ifdef CONFIG_BT_HCIUART_AG6XX +int ag6xx_init(void); +int ag6xx_deinit(void); +#endif + +#ifdef CONFIG_BT_HCIUART_MRVL +int mrvl_init(void); +int mrvl_deinit(void); +#endif + +#ifdef CONFIG_BT_HCIUART_AML +int aml_init(void); +int aml_deinit(void); +#endif |