threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
83 lines
2.2 KiB
C
83 lines
2.2 KiB
C
/*
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* Copyright (C) 2019 MediaTek Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See http://www.gnu.org/licenses/gpl-2.0.html for more details.
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*/
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#ifndef __ULTRA_HW_H__
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#define __ULTRA_HW_H__
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#include <linux/types.h>
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/* if IPI expand, need to modify maximum data length(unit: int) */
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#define ULTRA_IPI_HEADER_LENGTH 2 /* 2 * 4byte = 8 */
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#define ULTRA_IPI_SEND_BUFFER_LENGTH 13 /* 13 * 4byte = 52 */
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#define ULTRA_IPI_RECEIVE_LENGTH 2 /* 2 * 4byte = 8 */
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#define ULTRA_IPI_ACK_LENGTH 2 /* 2 * 4byte = 8 */
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#define ULTRA_IPI_WAIT_ACK_TIMEOUT 10
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#define ULTRA_IPI_RESEND_TIMES 2
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#define ULTRA_IPI_SEND_CNT_TIMEOUT 500 /* 500ms */
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#define ULTRA_WAITCHECK_INTERVAL_MS 1
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enum {
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ULTRA_IPI_BYPASS_ACK = 0,
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ULTRA_IPI_NEED_ACK,
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ULTRA_IPI_ACK_BACK
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};
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/* AP -> SCP ipi structure */
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struct ultra_ipi_send_info {
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unsigned char msg_id;
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unsigned char msg_need_ack;
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unsigned char param1;
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unsigned char param2;
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unsigned int msg_length;
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int payload[ULTRA_IPI_SEND_BUFFER_LENGTH];
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};
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/* SCP -> AP ipi structure */
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struct ultra_ipi_receive_info {
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unsigned char msg_id;
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unsigned char msg_need_ack;
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unsigned char param1;
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unsigned char param2;
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unsigned int msg_length;
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unsigned int msg_data[ULTRA_IPI_RECEIVE_LENGTH];
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};
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/* SCP -> AP ipi ack structure */
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struct ultra_ipi_ack_info {
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unsigned char msg_id;
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unsigned char msg_need_ack;
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unsigned char param1;
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unsigned char param2;
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unsigned int msg_data;
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};
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/* function */
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unsigned int ultra_check_scp_status(void);
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void ultra_ipi_register(void (*ipi_rx_call)(unsigned int, void *),
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bool (*ipi_tx_ack_call)(unsigned int, unsigned int));
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bool ultra_ipi_send(unsigned int msg_id,
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bool polling_mode,
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unsigned int payload_len,
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int *payload,
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unsigned int need_ack);
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bool ultra_GetScpRecoverStatus(void);
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void ultra_SetScpRecoverStatus(bool recovering);
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#endif /*__ULTRA_HW_H__ */
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