62 lines
1.8 KiB
C
62 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Copyright (C) 2018 MediaTek Inc.
|
|
*/
|
|
|
|
#ifndef __ULTRA_HW_H__
|
|
#define __ULTRA_HW_H__
|
|
#include <linux/types.h>
|
|
/* if IPI expand, need to modify maximum data length(unit: int) */
|
|
#define ULTRA_IPI_HEADER_LENGTH 2 /* 2 * 4byte = 8 */
|
|
#define ULTRA_IPI_SEND_BUFFER_LENGTH 13 /* 13 * 4byte = 52 */
|
|
#define ULTRA_IPI_RECEIVE_LENGTH 2 /* 2 * 4byte = 8 */
|
|
#define ULTRA_IPI_ACK_LENGTH 2 /* 2 * 4byte = 8 */
|
|
#define ULTRA_IPI_WAIT_ACK_TIMEOUT 10
|
|
#define ULTRA_IPI_RESEND_TIMES 2
|
|
#define ULTRA_IPI_SEND_CNT_TIMEOUT 500 /* 500ms */
|
|
#define ULTRA_WAITCHECK_INTERVAL_MS 1
|
|
enum {
|
|
ULTRA_IPI_BYPASS_ACK = 0,
|
|
ULTRA_IPI_NEED_ACK,
|
|
ULTRA_IPI_ACK_BACK
|
|
};
|
|
/* AP -> SCP ipi structure */
|
|
struct ultra_ipi_send_info {
|
|
unsigned char msg_id;
|
|
unsigned char msg_need_ack;
|
|
unsigned char param1;
|
|
unsigned char param2;
|
|
unsigned int msg_length;
|
|
int payload[ULTRA_IPI_SEND_BUFFER_LENGTH];
|
|
};
|
|
/* SCP -> AP ipi structure */
|
|
struct ultra_ipi_receive_info {
|
|
unsigned char msg_id;
|
|
unsigned char msg_need_ack;
|
|
unsigned char param1;
|
|
unsigned char param2;
|
|
unsigned int msg_length;
|
|
unsigned int msg_data[ULTRA_IPI_RECEIVE_LENGTH];
|
|
};
|
|
/* SCP -> AP ipi ack structure */
|
|
struct ultra_ipi_ack_info {
|
|
unsigned char msg_id;
|
|
unsigned char msg_need_ack;
|
|
unsigned char param1;
|
|
unsigned char param2;
|
|
unsigned int msg_data;
|
|
};
|
|
/* function */
|
|
unsigned int ultra_check_scp_status(void);
|
|
void ultra_ipi_register(void (*ipi_rx_call)(unsigned int, void *),
|
|
bool (*ipi_tx_ack_call)(unsigned int, unsigned int));
|
|
bool ultra_ipi_send(unsigned int msg_id,
|
|
bool polling_mode,
|
|
unsigned int payload_len,
|
|
int *payload,
|
|
unsigned int need_ack);
|
|
bool ultra_GetScpRecoverStatus(void);
|
|
void ultra_SetScpRecoverStatus(bool recovering);
|
|
#endif /*__ULTRA_HW_H__ */
|
|
|