1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * camss-csiphy.h
4 *
5 * Qualcomm MSM Camera Subsystem - CSIPHY Module
6 *
7 * Copyright (c) 2011-2015, The Linux Foundation. All rights reserved.
8 * Copyright (C) 2016-2018 Linaro Ltd.
9 */
10#ifndef QC_MSM_CAMSS_CSIPHY_H
11#define QC_MSM_CAMSS_CSIPHY_H
12
13#include <linux/clk.h>
14#include <linux/interrupt.h>
15#include <media/media-entity.h>
16#include <media/v4l2-device.h>
17#include <media/v4l2-mediabus.h>
18#include <media/v4l2-subdev.h>
19
20#define MSM_CSIPHY_PAD_SINK 0
21#define MSM_CSIPHY_PAD_SRC 1
22#define MSM_CSIPHY_PADS_NUM 2
23
24struct csiphy_lane {
25	u8 pos;
26	u8 pol;
27};
28
29struct csiphy_lanes_cfg {
30	int num_data;
31	struct csiphy_lane *data;
32	struct csiphy_lane clk;
33};
34
35struct csiphy_csi2_cfg {
36	struct csiphy_lanes_cfg lane_cfg;
37};
38
39struct csiphy_config {
40	u8 combo_mode;
41	u8 csid_id;
42	struct csiphy_csi2_cfg *csi2;
43};
44
45struct csiphy_device;
46
47struct csiphy_hw_ops {
48	void (*hw_version_read)(struct csiphy_device *csiphy,
49				struct device *dev);
50	void (*reset)(struct csiphy_device *csiphy);
51	void (*lanes_enable)(struct csiphy_device *csiphy,
52			     struct csiphy_config *cfg,
53			     u32 pixel_clock, u8 bpp, u8 lane_mask);
54	void (*lanes_disable)(struct csiphy_device *csiphy,
55			      struct csiphy_config *cfg);
56	irqreturn_t (*isr)(int irq, void *dev);
57};
58
59struct csiphy_device {
60	struct camss *camss;
61	u8 id;
62	struct v4l2_subdev subdev;
63	struct media_pad pads[MSM_CSIPHY_PADS_NUM];
64	void __iomem *base;
65	void __iomem *base_clk_mux;
66	u32 irq;
67	char irq_name[30];
68	struct camss_clock *clock;
69	int nclocks;
70	u32 timer_clk_rate;
71	struct csiphy_config cfg;
72	struct v4l2_mbus_framefmt fmt[MSM_CSIPHY_PADS_NUM];
73	const struct csiphy_hw_ops *ops;
74	const struct csiphy_format *formats;
75	unsigned int nformats;
76};
77
78struct resources;
79
80int msm_csiphy_subdev_init(struct camss *camss,
81			   struct csiphy_device *csiphy,
82			   const struct resources *res, u8 id);
83
84int msm_csiphy_register_entity(struct csiphy_device *csiphy,
85			       struct v4l2_device *v4l2_dev);
86
87void msm_csiphy_unregister_entity(struct csiphy_device *csiphy);
88
89extern const struct csiphy_hw_ops csiphy_ops_2ph_1_0;
90extern const struct csiphy_hw_ops csiphy_ops_3ph_1_0;
91
92#endif /* QC_MSM_CAMSS_CSIPHY_H */
93