/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __SITM_H
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#define __SITM_H
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#include <linux/types.h>
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#include <linux/kfifo.h>
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#define PREAMBLE_BUFFER_SIZE 5
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#define PACKET_TYPE_TO_INDEX(type) ((type) - 1)
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#define HCI_COMMAND_PREAMBLE_SIZE 3
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#define HCI_ACL_PREAMBLE_SIZE 4
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#define HCI_SCO_PREAMBLE_SIZE 3
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#define HCI_EVENT_PREAMBLE_SIZE 2
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#define RETRIEVE_ACL_LENGTH(preamble) \
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((((preamble)[4] & 0xFFFF) << 8) | (preamble)[3])
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#define HCI_HAL_SERIAL_BUFFER_SIZE 1026
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#define BYTE_ALIGNMENT 4
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enum receive_state_t
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{
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BRAND_NEW,
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PREAMBLE,
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BODY,
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IGNORE,
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FINISHED
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};
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enum serial_data_type_t
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{
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DATA_TYPE_COMMAND = 1,
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DATA_TYPE_ACL = 2,
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DATA_TYPE_SCO = 3,
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DATA_TYPE_EVENT = 4
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};
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struct packet_receive_data_t
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{
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enum receive_state_t state;
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uint16_t bytes_remaining;
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uint8_t type;
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uint8_t preamble[PREAMBLE_BUFFER_SIZE];
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uint16_t index;
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struct kfifo fifo;
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uint8_t buffer[HCI_HAL_SERIAL_BUFFER_SIZE + BYTE_ALIGNMENT];
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};
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typedef int (*frame_complete_cb)(uint8_t *data, size_t len);
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typedef int (*data_ready_cb)(uint8_t *data, uint32_t len);
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int sitm_write(const uint8_t *buf, int count, frame_complete_cb frame_complete);
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int sitm_ini(void);
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int sitm_cleanup(void);
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#endif
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