1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * camss-csid.h
4 *
5 * Qualcomm MSM Camera Subsystem - CSID (CSI Decoder) Module
6 *
7 * Copyright (c) 2011-2014, The Linux Foundation. All rights reserved.
8 * Copyright (C) 2015-2018 Linaro Ltd.
9 */
10#ifndef QC_MSM_CAMSS_CSID_H
11#define QC_MSM_CAMSS_CSID_H
12
13#include <linux/clk.h>
14#include <media/media-entity.h>
15#include <media/v4l2-ctrls.h>
16#include <media/v4l2-device.h>
17#include <media/v4l2-mediabus.h>
18#include <media/v4l2-subdev.h>
19
20#define MSM_CSID_PAD_SINK 0
21#define MSM_CSID_PAD_SRC 1
22#define MSM_CSID_PADS_NUM 2
23
24enum csid_payload_mode {
25	CSID_PAYLOAD_MODE_INCREMENTING = 0,
26	CSID_PAYLOAD_MODE_ALTERNATING_55_AA = 1,
27	CSID_PAYLOAD_MODE_ALL_ZEROES = 2,
28	CSID_PAYLOAD_MODE_ALL_ONES = 3,
29	CSID_PAYLOAD_MODE_RANDOM = 4,
30	CSID_PAYLOAD_MODE_USER_SPECIFIED = 5,
31};
32
33struct csid_testgen_config {
34	u8 enabled;
35	enum csid_payload_mode payload_mode;
36};
37
38struct csid_phy_config {
39	u8 csiphy_id;
40	u8 lane_cnt;
41	u32 lane_assign;
42};
43
44struct csid_device {
45	struct camss *camss;
46	u8 id;
47	struct v4l2_subdev subdev;
48	struct media_pad pads[MSM_CSID_PADS_NUM];
49	void __iomem *base;
50	u32 irq;
51	char irq_name[30];
52	struct camss_clock *clock;
53	int nclocks;
54	struct regulator *vdda;
55	struct completion reset_complete;
56	struct csid_testgen_config testgen;
57	struct csid_phy_config phy;
58	struct v4l2_mbus_framefmt fmt[MSM_CSID_PADS_NUM];
59	struct v4l2_ctrl_handler ctrls;
60	struct v4l2_ctrl *testgen_mode;
61	const struct csid_format *formats;
62	unsigned int nformats;
63};
64
65struct resources;
66
67int msm_csid_subdev_init(struct camss *camss, struct csid_device *csid,
68			 const struct resources *res, u8 id);
69
70int msm_csid_register_entity(struct csid_device *csid,
71			     struct v4l2_device *v4l2_dev);
72
73void msm_csid_unregister_entity(struct csid_device *csid);
74
75void msm_csid_get_csid_id(struct media_entity *entity, u8 *id);
76
77#endif /* QC_MSM_CAMSS_CSID_H */
78