From 1ae26a18a33263330e1551abf5244d68f8aa825a Mon Sep 17 00:00:00 2001 From: balrog Date: Sun, 28 Sep 2008 23:19:47 +0000 Subject: Add a "null" bluetooth HCI and a header file for bluetooth. git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5342 c046a42c-6fe2-441c-8c8c-71466251a162 --- hw/bt.h | 105 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 105 insertions(+) create mode 100644 hw/bt.h (limited to 'hw/bt.h') diff --git a/hw/bt.h b/hw/bt.h new file mode 100644 index 0000000000..c70be1c892 --- /dev/null +++ b/hw/bt.h @@ -0,0 +1,105 @@ +/* + * QEMU Bluetooth HCI helpers. + * + * Copyright (C) 2007 OpenMoko, Inc. + * Written by Andrzej Zaborowski + * + * 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., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +/* BD Address */ +typedef struct { + uint8_t b[6]; +} __attribute__((packed)) bdaddr_t; + +#define BDADDR_ANY (&(bdaddr_t) {{0, 0, 0, 0, 0, 0}}) +#define BDADDR_ALL (&(bdaddr_t) {{0xff, 0xff, 0xff, 0xff, 0xff, 0xff}}) +#define BDADDR_LOCAL (&(bdaddr_t) {{0, 0, 0, 0xff, 0xff, 0xff}}) + +/* Copy, swap, convert BD Address */ +static inline int bacmp(const bdaddr_t *ba1, const bdaddr_t *ba2) +{ + return memcmp(ba1, ba2, sizeof(bdaddr_t)); +} +static inline void bacpy(bdaddr_t *dst, const bdaddr_t *src) +{ + memcpy(dst, src, sizeof(bdaddr_t)); +} + +#define BAINIT(orig) { .b = { \ + (orig)->b[0], (orig)->b[1], (orig)->b[2], \ + (orig)->b[3], (orig)->b[4], (orig)->b[5], \ +}, } + +/* The twisted structures of a bluetooth environment */ +struct bt_device_s; +struct bt_scatternet_s; +struct bt_piconet_s; +struct bt_link_s; + +struct bt_scatternet_s { + struct bt_device_s *slave; +}; + +struct bt_link_s { + struct bt_device_s *slave, *host; + uint16_t handle; /* Master (host) side handle */ + uint16_t acl_interval; + enum { + acl_active, + acl_hold, + acl_sniff, + acl_parked, + } acl_mode; +}; + +struct bt_device_s { + int lt_addr; + bdaddr_t bd_addr; + int mtu; + int setup; + struct bt_scatternet_s *net; + + uint8_t key[16]; + int key_present; + uint8_t class[3]; + + uint8_t reject_reason; + + uint64_t lmp_caps; + const char *lmp_name; + void (*lmp_connection_request)(struct bt_link_s *link); + void (*lmp_connection_complete)(struct bt_link_s *link); + void (*lmp_disconnect_master)(struct bt_link_s *link); + void (*lmp_disconnect_slave)(struct bt_link_s *link); + void (*lmp_acl_data)(struct bt_link_s *link, const uint8_t *data, + int start, int len); + void (*lmp_acl_resp)(struct bt_link_s *link, const uint8_t *data, + int start, int len); + void (*lmp_mode_change)(struct bt_link_s *link); + + void (*handle_destroy)(struct bt_device_s *device); + struct bt_device_s *next; /* Next in the piconet/scatternet */ + + int inquiry_scan; + int page_scan; + + uint16_t clkoff; /* Note: Always little-endian */ +}; + +/* bt.c */ +void bt_device_init(struct bt_device_s *dev, struct bt_scatternet_s *net); +void bt_device_done(struct bt_device_s *dev); -- cgit v1.2.1