/******************************************************************************
 *
 *  Copyright (C) 2021-2021 amlogic Corporation
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at:
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 ******************************************************************************/
#ifndef AML_COMM_H
#define AML_COMM_H

#ifdef __cplusplus
extern "C" {
#endif

#ifndef FALSE
#define FALSE  0
#endif

#ifndef TRUE
#define TRUE   (!FALSE)
#endif

#ifndef false
#define false   0
#endif

#ifndef true
#define true    (!false)
#endif

#ifndef ARRAY_SIZE
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
#endif

/*
 * LINUX_PUBLIC: default yocto STB/TV
 * AUDIO_PROJECT: audio buildroot/yocto
 * ROKU_PROJECT: roku system
 * CAMERA_PROJECT: camera buildroot
 */
#if !defined(ROKU_PROJECT) && !defined(AUDIO_PROJECT) && !defined(CAMERA_PROJECT)
#define LINUX_PUBLIC
#endif

#define LOG_TAG "aml_hciattach"

#define BT_MAC_LEN          6
#define BT_MAC_BUF_LEN      17

#ifdef ROKU_PROJECT
#define AMLBT_NAME        "amlbt_name"
#define AMLBT_ADDR        "addr"
#define AMLBT_FW_VER      "fw_version"
#define AMLBT_INFO_PATH   "/tmp/amlbt_info"    // nvram path can be saved after power off
#else
#define AMLBT_NAME        "amlbt_name"
#define AMLBT_ADDR        "addr"
#define AMLBT_FW_VER      "fw_version"
#define AMLBT_INFO_PATH   "/etc/bluetooth/amlbt_info"
#endif

#define AMLBT_RANDOM_DEV "/dev/urandom"
#define AMLBT_FWLOG_EVENT      0x62

#define HCI_MAX_CMD_SIZE       260
#define HCI_MAX_EVENT_SIZE     260
/* HCI Packet types */
#define HCI_COMMAND_PKT        0x01
#define HCI_ACLDATA_PKT        0x02
#define HCI_SCODATA_PKT        0x03
#define HCI_EVENT_PKT          0x04
#define HCI_CMD_IND            (1)
#define HCI_COMMAND_HDR_SIZE   (3)
#define HCI_RESET              0x0C03

#define BTUSB_IOC_MAGIC 'x'
#define IOCTL_SET_BT_POWER          _IOW(BTUSB_IOC_MAGIC, 8, int)
#define IOCTL_SET_BT_OPEN           _IOW(BTUSB_IOC_MAGIC, 9, int)
#define IOCTL_REGISTER_HCI0         _IOW(BTUSB_IOC_MAGIC, 17, int)

enum addr_mode {
    ADDR_FIXED_PREFIX,   // fixed prefix + random suffix
    ADDR_FULL_RANDOM     // fully random address
};

/* aml bt module index */
typedef enum {
    UNK_AML_IDX = 0,
    W1_UART,
    W1U_UART,
    W1U_USB,
    W2_UART,
    W2_USB,
    W2L_UART,
    W2L_USB,
} amlbt_idx;

typedef struct {
    unsigned int vid;
    unsigned int pid;
} dev_id;

typedef struct {
    char *dev_name;
    char power_type;
    amlbt_idx idx;
    unsigned short iccm_base;
    char *fw_file;
} dev_item;

typedef struct {
    dev_id mod_id;
    dev_item mod_item;
} dev_info;


int amlbt_write_file(const char* fpath, const char *str, int len);
int amlbt_get_random_addr(unsigned char *bdaddr, enum addr_mode mode);
int amlbt_info_update(const char *key, const char *new_val);
int amlbt_get_fw_ver(const unsigned char *str);
int amlbt_read_addr(unsigned char *addr);

#ifdef __cplusplus
}
#endif

#endif /* AML_COMM_H */