1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * TI OMAP4 ISS V4L2 Driver - CSI PHY module
4 *
5 * Copyright (C) 2012 Texas Instruments, Inc.
6 *
7 * Author: Sergio Aguirre <sergio.a.aguirre@gmail.com>
8 */
9
10#ifndef OMAP4_ISS_CSI_PHY_H
11#define OMAP4_ISS_CSI_PHY_H
12
13#include <linux/platform_data/media/omap4iss.h>
14
15struct iss_csi2_device;
16
17struct iss_csiphy_dphy_cfg {
18	u8 ths_term;
19	u8 ths_settle;
20	u8 tclk_term;
21	unsigned tclk_miss:1;
22	u8 tclk_settle;
23};
24
25struct iss_csiphy {
26	struct iss_device *iss;
27	struct mutex mutex;	/* serialize csiphy configuration */
28	u8 phy_in_use;
29	struct iss_csi2_device *csi2;
30
31	/* memory resources, as defined in enum iss_mem_resources */
32	unsigned int cfg_regs;
33	unsigned int phy_regs;
34
35	u8 max_data_lanes;	/* number of CSI2 Data Lanes supported */
36	u8 used_data_lanes;	/* number of CSI2 Data Lanes used */
37	struct iss_csiphy_lanes_cfg lanes;
38	struct iss_csiphy_dphy_cfg dphy;
39};
40
41int omap4iss_csiphy_config(struct iss_device *iss,
42			   struct v4l2_subdev *csi2_subdev);
43int omap4iss_csiphy_acquire(struct iss_csiphy *phy);
44void omap4iss_csiphy_release(struct iss_csiphy *phy);
45int omap4iss_csiphy_init(struct iss_device *iss);
46
47#endif	/* OMAP4_ISS_CSI_PHY_H */
48