1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * camss-ispif.h
 4 *
 5 * Qualcomm MSM Camera Subsystem - ISPIF (ISP Interface) Module
 6 *
 7 * Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
 8 * Copyright (C) 2015-2018 Linaro Ltd.
 9 */
10#ifndef QC_MSM_CAMSS_ISPIF_H
11#define QC_MSM_CAMSS_ISPIF_H
12
13#include <linux/clk.h>
14#include <media/media-entity.h>
15#include <media/v4l2-device.h>
16#include <media/v4l2-subdev.h>
17
18#define MSM_ISPIF_PAD_SINK 0
19#define MSM_ISPIF_PAD_SRC 1
20#define MSM_ISPIF_PADS_NUM 2
21
22#define MSM_ISPIF_VFE_NUM 2
23
24enum ispif_intf {
25	PIX0,
26	RDI0,
27	PIX1,
28	RDI1,
29	RDI2
30};
31
32struct ispif_intf_cmd_reg {
33	u32 cmd_0;
34	u32 cmd_1;
35};
36
37struct ispif_line {
38	struct ispif_device *ispif;
39	u8 id;
40	u8 csid_id;
41	u8 vfe_id;
42	enum ispif_intf interface;
43	struct v4l2_subdev subdev;
44	struct media_pad pads[MSM_ISPIF_PADS_NUM];
45	struct v4l2_mbus_framefmt fmt[MSM_ISPIF_PADS_NUM];
46	const u32 *formats;
47	unsigned int nformats;
48};
49
50struct ispif_device {
51	void __iomem *base;
52	void __iomem *base_clk_mux;
53	u32 irq;
54	char irq_name[30];
55	struct camss_clock *clock;
56	int nclocks;
57	struct camss_clock  *clock_for_reset;
58	int nclocks_for_reset;
59	struct completion reset_complete[MSM_ISPIF_VFE_NUM];
60	int power_count;
61	struct mutex power_lock;
62	struct ispif_intf_cmd_reg intf_cmd[MSM_ISPIF_VFE_NUM];
63	struct mutex config_lock;
64	unsigned int line_num;
65	struct ispif_line *line;
66	struct camss *camss;
67};
68
69struct camss_subdev_resources;
70
71int msm_ispif_subdev_init(struct camss *camss,
72			  const struct camss_subdev_resources *res);
73
74int msm_ispif_register_entities(struct ispif_device *ispif,
75				struct v4l2_device *v4l2_dev);
76
77void msm_ispif_unregister_entities(struct ispif_device *ispif);
78
79#endif /* QC_MSM_CAMSS_ISPIF_H */