xref: /OK3568_Linux_fs/kernel/drivers/media/platform/qcom/camss/camss-csid.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * camss-csid.h
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Qualcomm MSM Camera Subsystem - CSID (CSI Decoder) Module
6*4882a593Smuzhiyun  *
7*4882a593Smuzhiyun  * Copyright (c) 2011-2014, The Linux Foundation. All rights reserved.
8*4882a593Smuzhiyun  * Copyright (C) 2015-2018 Linaro Ltd.
9*4882a593Smuzhiyun  */
10*4882a593Smuzhiyun #ifndef QC_MSM_CAMSS_CSID_H
11*4882a593Smuzhiyun #define QC_MSM_CAMSS_CSID_H
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun #include <linux/clk.h>
14*4882a593Smuzhiyun #include <media/media-entity.h>
15*4882a593Smuzhiyun #include <media/v4l2-ctrls.h>
16*4882a593Smuzhiyun #include <media/v4l2-device.h>
17*4882a593Smuzhiyun #include <media/v4l2-mediabus.h>
18*4882a593Smuzhiyun #include <media/v4l2-subdev.h>
19*4882a593Smuzhiyun 
20*4882a593Smuzhiyun #define MSM_CSID_PAD_SINK 0
21*4882a593Smuzhiyun #define MSM_CSID_PAD_SRC 1
22*4882a593Smuzhiyun #define MSM_CSID_PADS_NUM 2
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun enum csid_payload_mode {
25*4882a593Smuzhiyun 	CSID_PAYLOAD_MODE_INCREMENTING = 0,
26*4882a593Smuzhiyun 	CSID_PAYLOAD_MODE_ALTERNATING_55_AA = 1,
27*4882a593Smuzhiyun 	CSID_PAYLOAD_MODE_ALL_ZEROES = 2,
28*4882a593Smuzhiyun 	CSID_PAYLOAD_MODE_ALL_ONES = 3,
29*4882a593Smuzhiyun 	CSID_PAYLOAD_MODE_RANDOM = 4,
30*4882a593Smuzhiyun 	CSID_PAYLOAD_MODE_USER_SPECIFIED = 5,
31*4882a593Smuzhiyun };
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun struct csid_testgen_config {
34*4882a593Smuzhiyun 	u8 enabled;
35*4882a593Smuzhiyun 	enum csid_payload_mode payload_mode;
36*4882a593Smuzhiyun };
37*4882a593Smuzhiyun 
38*4882a593Smuzhiyun struct csid_phy_config {
39*4882a593Smuzhiyun 	u8 csiphy_id;
40*4882a593Smuzhiyun 	u8 lane_cnt;
41*4882a593Smuzhiyun 	u32 lane_assign;
42*4882a593Smuzhiyun };
43*4882a593Smuzhiyun 
44*4882a593Smuzhiyun struct csid_device {
45*4882a593Smuzhiyun 	struct camss *camss;
46*4882a593Smuzhiyun 	u8 id;
47*4882a593Smuzhiyun 	struct v4l2_subdev subdev;
48*4882a593Smuzhiyun 	struct media_pad pads[MSM_CSID_PADS_NUM];
49*4882a593Smuzhiyun 	void __iomem *base;
50*4882a593Smuzhiyun 	u32 irq;
51*4882a593Smuzhiyun 	char irq_name[30];
52*4882a593Smuzhiyun 	struct camss_clock *clock;
53*4882a593Smuzhiyun 	int nclocks;
54*4882a593Smuzhiyun 	struct regulator *vdda;
55*4882a593Smuzhiyun 	struct completion reset_complete;
56*4882a593Smuzhiyun 	struct csid_testgen_config testgen;
57*4882a593Smuzhiyun 	struct csid_phy_config phy;
58*4882a593Smuzhiyun 	struct v4l2_mbus_framefmt fmt[MSM_CSID_PADS_NUM];
59*4882a593Smuzhiyun 	struct v4l2_ctrl_handler ctrls;
60*4882a593Smuzhiyun 	struct v4l2_ctrl *testgen_mode;
61*4882a593Smuzhiyun 	const struct csid_format *formats;
62*4882a593Smuzhiyun 	unsigned int nformats;
63*4882a593Smuzhiyun };
64*4882a593Smuzhiyun 
65*4882a593Smuzhiyun struct resources;
66*4882a593Smuzhiyun 
67*4882a593Smuzhiyun int msm_csid_subdev_init(struct camss *camss, struct csid_device *csid,
68*4882a593Smuzhiyun 			 const struct resources *res, u8 id);
69*4882a593Smuzhiyun 
70*4882a593Smuzhiyun int msm_csid_register_entity(struct csid_device *csid,
71*4882a593Smuzhiyun 			     struct v4l2_device *v4l2_dev);
72*4882a593Smuzhiyun 
73*4882a593Smuzhiyun void msm_csid_unregister_entity(struct csid_device *csid);
74*4882a593Smuzhiyun 
75*4882a593Smuzhiyun void msm_csid_get_csid_id(struct media_entity *entity, u8 *id);
76*4882a593Smuzhiyun 
77*4882a593Smuzhiyun #endif /* QC_MSM_CAMSS_CSID_H */
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