87 lines
2 KiB
C
87 lines
2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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* Copyright (c) 2018 MediaTek Inc.
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*/
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#ifndef __UAPI_MTK_CCD_CONTROLS_H__
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#define __UAPI_MTK_CCD_CONTROLS_H__
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#define CCD_NAME_MAX_LEN (32)
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#define CCD_BUF_MAX_SIZE (1024)
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#define CCD_LISTEN_OBJECT_PREPARING (0)
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#define CCD_LISTEN_OBJECT_READY (1)
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enum ccd_master_cmd {
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CCD_MASTER_CMD_CREATE = 1,
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CCD_MASTER_CMD_DESTROY
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};
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enum ccd_master_state {
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CCD_MASTER_INIT = 0,
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CCD_MASTER_ACTIVE,
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CCD_MASTER_EXIT
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};
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struct ccd_master_status_item {
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unsigned int state;
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};
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struct ccd_master_listen_item {
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unsigned int src;
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char name[CCD_NAME_MAX_LEN];
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unsigned int cmd;
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};
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struct ccd_worker_item {
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unsigned int src;
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unsigned int id;
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unsigned char sbuf[CCD_BUF_MAX_SIZE];
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unsigned int len;
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};
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#define IOCTL_CCD_MASTER_INIT _IOWR('c', 1, struct ccd_master_status_item)
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#define IOCTL_CCD_MASTER_LISTEN _IOWR('c', 2, struct ccd_master_listen_item)
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#define IOCTL_CCD_MASTER_DESTROY _IOWR('c', 3, struct ccd_master_status_item)
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#define IOCTL_CCD_WORKER_READ _IOWR('c', 4, struct ccd_worker_item)
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#define IOCTL_CCD_WORKER_WRITE _IOWR('c', 5, struct ccd_worker_item)
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/**
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* enum ipi_id - the id of inter-processor interrupt
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*
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* @SCP_IPI_INIT: The interrupt from scp is to notfiy kernel
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* SCP initialization completed.
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* IPI_SCP_INIT is sent from SCP when firmware is
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* loaded. AP doesn't need to send IPI_SCP_INIT
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* command to SCP.
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* For other IPI below, AP should send the request
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* to SCP to trigger the interrupt.
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* @CCD_IPI_MAX: The maximum IPI number
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*/
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enum ccd_ipi_id {
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CCD_IPI_INIT = 0,
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CCD_IPI_ISP_MAIN,
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CCD_IPI_ISP_SLAVE,
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CCD_IPI_ISP_TRICAM,
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CCD_IPI_MRAW_CMD,
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CCD_IPI_FD_CMD,
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CCD_IPI_MAX
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};
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/**
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* struct mem_obj - memory buffer allocated in kernel
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*
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* @iova: iova of buffer
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* @len: buffer length
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* @pa: physical address
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* @va: kernel virtual address
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*/
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struct ccd_mem_obj {
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unsigned int iova;
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unsigned int len;
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unsigned long long pa;
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unsigned long long va;
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};
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#endif
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