hva-hw.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * Copyright (C) STMicroelectronics SA 2015
 4 * Authors: Yannick Fertre <yannick.fertre@st.com>
 5 *          Hugues Fruchet <hugues.fruchet@st.com>
 6 */
 7
 8#ifndef HVA_HW_H
 9#define HVA_HW_H
10
11#include "hva-mem.h"
12
13/* HVA Versions */
14#define HVA_VERSION_UNKNOWN    0x000
15#define HVA_VERSION_V400       0x400
16
17/* HVA command types */
18enum hva_hw_cmd_type {
19	/* RESERVED = 0x00 */
20	/* RESERVED = 0x01 */
21	H264_ENC = 0x02,
22	/* RESERVED = 0x03 */
23	/* RESERVED = 0x04 */
24	/* RESERVED = 0x05 */
25	/* RESERVED = 0x06 */
26	/* RESERVED = 0x07 */
27	REMOVE_CLIENT = 0x08,
28	FREEZE_CLIENT = 0x09,
29	START_CLIENT = 0x0A,
30	FREEZE_ALL = 0x0B,
31	START_ALL = 0x0C,
32	REMOVE_ALL = 0x0D
33};
34
35int hva_hw_probe(struct platform_device *pdev, struct hva_dev *hva);
36void hva_hw_remove(struct hva_dev *hva);
37int hva_hw_runtime_suspend(struct device *dev);
38int hva_hw_runtime_resume(struct device *dev);
39int hva_hw_execute_task(struct hva_ctx *ctx, enum hva_hw_cmd_type cmd,
40			struct hva_buffer *task);
41#ifdef CONFIG_VIDEO_STI_HVA_DEBUGFS
42void hva_hw_dump_regs(struct hva_dev *hva, struct seq_file *s);
43#endif
44
45#endif /* HVA_HW_H */