1 /* SPDX-License-Identifier: GPL-2.0 */
5 * Qualcomm MSM Camera Subsystem - Core
7 * Copyright (c) 2015, The Linux Foundation. All rights reserved.
8 * Copyright (C) 2015-2018 Linaro Ltd.
10 #ifndef QC_MSM_CAMSS_H
11 #define QC_MSM_CAMSS_H
13 #include <linux/device.h>
14 #include <linux/types.h>
15 #include <media/v4l2-async.h>
16 #include <media/v4l2-device.h>
17 #include <media/v4l2-subdev.h>
18 #include <media/media-device.h>
19 #include <media/media-entity.h>
21 #include "camss-csid.h"
22 #include "camss-csiphy.h"
23 #include "camss-ispif.h"
24 #include "camss-vfe.h"
26 #define to_camss(ptr_module) \
27 container_of(ptr_module, struct camss, ptr_module)
29 #define to_device(ptr_module) \
30 (to_camss(ptr_module)->dev)
32 #define module_pointer(ptr_module, index) \
33 ((const struct ptr_module##_device (*)[]) &(ptr_module[-(index)]))
35 #define to_camss_index(ptr_module, index) \
36 container_of(module_pointer(ptr_module, index), \
37 struct camss, ptr_module)
39 #define to_device_index(ptr_module, index) \
40 (to_camss_index(ptr_module, index)->dev)
42 #define CAMSS_RES_MAX 17
44 struct camss_subdev_resources {
45 char *regulators[CAMSS_RES_MAX];
46 char *clock[CAMSS_RES_MAX];
47 char *clock_for_reset[CAMSS_RES_MAX];
48 u32 clock_rate[CAMSS_RES_MAX][CAMSS_RES_MAX];
49 char *reg[CAMSS_RES_MAX];
50 char *interrupt[CAMSS_RES_MAX];
60 struct resources_icc {
62 struct icc_bw_tbl icc_bw_tbl;
68 PM_DOMAIN_VFELITE = 2, /* VFELITE / TOP GDSC */
80 ICC_DEFAULT_COUNT = 0,
84 struct camss_resources {
85 enum camss_version version;
86 const struct camss_subdev_resources *csiphy_res;
87 const struct camss_subdev_resources *csid_res;
88 const struct camss_subdev_resources *ispif_res;
89 const struct camss_subdev_resources *vfe_res;
90 const struct resources_icc *icc_res;
91 const unsigned int icc_path_num;
92 const unsigned int csiphy_num;
93 const unsigned int csid_num;
94 const unsigned int vfe_num;
95 const unsigned int vfe_lite_num;
99 struct v4l2_device v4l2_dev;
100 struct v4l2_async_notifier notifier;
101 struct media_device media_dev;
103 struct csiphy_device *csiphy;
104 struct csid_device *csid;
105 struct ispif_device *ispif;
106 struct vfe_device *vfe;
109 struct device **genpd;
110 struct device_link **genpd_link;
111 struct icc_path *icc_path[ICC_SM8250_COUNT];
112 const struct camss_resources *res;
113 unsigned int vfe_total_num;
116 struct camss_camera_interface {
118 struct csiphy_csi2_cfg csi2;
121 struct camss_async_subdev {
122 struct v4l2_async_connection asd; /* must be first */
123 struct camss_camera_interface interface;
133 void camss_add_clock_margin(u64 *rate);
134 int camss_enable_clocks(int nclocks, struct camss_clock *clock,
136 void camss_disable_clocks(int nclocks, struct camss_clock *clock);
137 struct media_entity *camss_find_sensor(struct media_entity *entity);
138 s64 camss_get_link_freq(struct media_entity *entity, unsigned int bpp,
140 int camss_get_pixel_clock(struct media_entity *entity, u64 *pixel_clock);
141 int camss_pm_domain_on(struct camss *camss, int id);
142 void camss_pm_domain_off(struct camss *camss, int id);
143 void camss_delete(struct camss *camss);
145 #endif /* QC_MSM_CAMSS_H */