/* Copyright 2016 The Chromium OS Authors. All rights reserved.
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

/*
 * Copied from NewBlue hci.c with permission from Dmitry Grinberg, the original
 * author.
 */

#include "btle_hci_int.h"

struct hciCmdHdr {
	uint16_t opcode;
	uint8_t paramLen;
} __packed;
#define CMD_MAKE_OPCODE(ogf, ocf) ((((uint16_t)((ogf) & 0x3f)) << 10) | ((ocf) & 0x03ff))
#define CMD_GET_OGF(opcode)       (((opcode) >> 10) & 0x3f)
#define CMD_GET_OCF(opcode)       ((opcode) & 0x03ff)


struct hciAclHdr {
	uint16_t hdr;
	uint16_t len;
} __packed;
#define ACL_HDR_MASK_CONN_ID      0x0FFF
#define ACL_HDR_MASK_PB           0x3000
#define ACL_HDR_MASK_BC           0xC000
#define ACL_HDR_PB_FIRST_NONAUTO  0x0000
#define ACL_HDR_PB_CONTINUED      0x1000
#define ACL_HDR_PB_FIRST_AUTO     0x2000
#define ACL_HDR_PB_COMPLETE       0x3000

struct hciScoHdr {
	uint16_t hdr;
	uint8_t len;
} __packed;
#define SCO_HDR_MASK_CONN_ID      0x0FFF
#define SCO_HDR_MASK_STATUS       0x3000
#define SCO_STATUS_ALL_OK         0x0000
#define SCO_STATUS_UNKNOWN        0x1000
#define SCO_STATUS_NO_DATA        0x2000
#define SCO_STATUS_SOME_DATA      0x3000

struct hciEvtHdr {
	uint8_t code;
	uint8_t len;
} __packed;


void hci_cmd(uint8_t *hciCmdbuf);
void hci_acl_to_host(uint8_t *data, uint16_t hdr, uint16_t len);
void hci_acl_from_host(uint8_t *hciAclbuf);
void hci_event(uint8_t event_code, uint8_t len, uint8_t *params);