109 lines
2.9 KiB
C
109 lines
2.9 KiB
C
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/*
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* Samsung Exynos SoC series VIPx driver
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*
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* Copyright (c) 2018 Samsung Electronics Co., Ltd
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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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#ifndef __VIPX_INTERFACE_H__
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#define __VIPX_INTERFACE_H__
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#include <linux/platform_device.h>
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#include <linux/timer.h>
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#include "vipx-config.h"
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#include "platform/vipx-ctrl.h"
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#include "vipx-taskmgr.h"
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#define VIPX_WORK_MAX_COUNT (20)
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#define VIPX_WORK_MAX_DATA (24)
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#define VIPX_RESPONSE_TIMEOUT (500) /* msecs */
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struct vipx_system;
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enum vipx_interrupt_direction {
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IRQ0_TO_DEVICE,
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IRQ1_TO_DEVICE,
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IRQ_FROM_DEVICE,
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};
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enum vipx_work_message {
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VIPX_WORK_MTYPE_BLK,
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VIPX_WORK_MTYPE_NBLK,
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};
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enum vipx_interface_state {
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VIPX_ITF_STATE_OPEN,
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VIPX_ITF_STATE_BOOTUP,
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VIPX_ITF_STATE_START
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};
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struct vipx_work {
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struct list_head list;
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unsigned int valid;
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unsigned int id;
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enum vipx_work_message message;
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unsigned int param0;
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unsigned int param1;
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unsigned int param2;
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unsigned int param3;
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unsigned char data[VIPX_WORK_MAX_DATA];
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};
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struct vipx_work_list {
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struct vipx_work work[VIPX_WORK_MAX_COUNT];
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spinlock_t slock;
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struct list_head free_head;
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unsigned int free_cnt;
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struct list_head reply_head;
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unsigned int reply_cnt;
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};
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struct vipx_interface {
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int irq[REG_MAX];
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void __iomem *regs;
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struct vipx_taskmgr taskmgr;
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void *cookie;
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unsigned long state;
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wait_queue_head_t reply_wq;
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spinlock_t process_barrier;
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struct vipx_work_list work_list;
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struct work_struct work_queue;
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struct vipx_task *request[VIPX_MAX_GRAPH];
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struct vipx_task *process;
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struct vipx_work reply[VIPX_MAX_GRAPH];
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unsigned int done_cnt;
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unsigned int wait_time;
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struct vipx_mailbox_ctrl *mctrl;
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struct vipx_system *system;
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};
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int vipx_hw_wait_bootup(struct vipx_interface *itf);
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int vipx_hw_config(struct vipx_interface *itf, struct vipx_task *itask);
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int vipx_hw_process(struct vipx_interface *itf, struct vipx_task *itask);
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int vipx_hw_create(struct vipx_interface *itf, struct vipx_task *itask);
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int vipx_hw_destroy(struct vipx_interface *itf, struct vipx_task *itask);
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int vipx_hw_init(struct vipx_interface *itf, struct vipx_task *itask);
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int vipx_hw_deinit(struct vipx_interface *itf, struct vipx_task *itask);
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int vipx_hw_load_graph(struct vipx_interface *itf, struct vipx_task *itask);
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int vipx_hw_unload_graph(struct vipx_interface *itf, struct vipx_task *itask);
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int vipx_hw_execute_graph(struct vipx_interface *itf, struct vipx_task *itask);
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int vipx_interface_start(struct vipx_interface *itf);
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int vipx_interface_stop(struct vipx_interface *itf);
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int vipx_interface_open(struct vipx_interface *itf, void *mbox);
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int vipx_interface_close(struct vipx_interface *itf);
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int vipx_interface_probe(struct vipx_system *sys);
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void vipx_interface_remove(struct vipx_interface *itf);
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#endif
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