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 | |
15 | struct iss_csi2_device; |
16 | |
17 | struct 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 | |
25 | struct 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 | |
41 | int omap4iss_csiphy_config(struct iss_device *iss, |
42 | struct v4l2_subdev *csi2_subdev); |
43 | int omap4iss_csiphy_acquire(struct iss_csiphy *phy); |
44 | void omap4iss_csiphy_release(struct iss_csiphy *phy); |
45 | int omap4iss_csiphy_init(struct iss_device *iss); |
46 | |
47 | #endif /* OMAP4_ISS_CSI_PHY_H */ |
48 | |