Archipelago » qemu

/*

 * QEMU Bluetooth HCI helpers.

 *

 * Copyright (C) 2007 OpenMoko, Inc.

 * Written by Andrzej Zaborowski <andrew@openedhand.com>

 *

 * 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);