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/* SPDX-License-Identifier: GPL-2.0 */
/*
* camss.h
*
* Qualcomm MSM Camera Subsystem - Core
*
* Copyright (c) 2015, The Linux Foundation. All rights reserved.
* Copyright (C) 2015-2018 Linaro Ltd.
*/
#ifndef QC_MSM_CAMSS_H
#define QC_MSM_CAMSS_H
#include <linux/device.h>
#include <linux/types.h>
#include <media/v4l2-async.h>
#include <media/v4l2-device.h>
#include <media/v4l2-subdev.h>
#include <media/media-device.h>
#include <media/media-entity.h>
#include "camss-csid.h"
#include "camss-csiphy.h"
#include "camss-ispif.h"
#include "camss-vfe.h"
#include "camss-format.h"
#define to_camss(ptr_module) \
container_of(ptr_module, struct camss, ptr_module)
#define to_device(ptr_module) \
(to_camss(ptr_module)->dev)
#define module_pointer(ptr_module, index) \
((const struct ptr_module##_device (*)[]) &(ptr_module[-(index)]))
#define to_camss_index(ptr_module, index) \
container_of(module_pointer(ptr_module, index), \
struct camss, ptr_module)
#define to_device_index(ptr_module, index) \
(to_camss_index(ptr_module, index)->dev)
#define CAMSS_RES_MAX 17
struct camss_subdev_resources {
char *regulators[CAMSS_RES_MAX];
char *clock[CAMSS_RES_MAX];
char *clock_for_reset[CAMSS_RES_MAX];
u32 clock_rate[CAMSS_RES_MAX][CAMSS_RES_MAX];
char *reg[CAMSS_RES_MAX];
char *interrupt[CAMSS_RES_MAX];
union {
struct csiphy_subdev_resources csiphy;
struct csid_subdev_resources csid;
struct vfe_subdev_resources vfe;
};
};
struct icc_bw_tbl {
u32 avg;
u32 peak;
};
struct resources_icc {
char *name;
struct icc_bw_tbl icc_bw_tbl;
};
enum pm_domain {
PM_DOMAIN_VFE0 = 0,
PM_DOMAIN_VFE1 = 1,
PM_DOMAIN_VFELITE = 2, /* VFELITE / TOP GDSC */
};
enum camss_version {
CAMSS_8x16,
CAMSS_8x96,
CAMSS_660,
CAMSS_845,
CAMSS_8250,
CAMSS_8280XP,
};
enum icc_count {
ICC_DEFAULT_COUNT = 0,
ICC_SM8250_COUNT = 4,
};
struct camss_resources {
enum camss_version version;
const char *pd_name;
const struct camss_subdev_resources *csiphy_res;
const struct camss_subdev_resources *csid_res;
const struct camss_subdev_resources *ispif_res;
const struct camss_subdev_resources *vfe_res;
const struct resources_icc *icc_res;
const unsigned int icc_path_num;
const unsigned int csiphy_num;
const unsigned int csid_num;
const unsigned int vfe_num;
};
struct camss {
struct v4l2_device v4l2_dev;
struct v4l2_async_notifier notifier;
struct media_device media_dev;
struct device *dev;
struct csiphy_device *csiphy;
struct csid_device *csid;
struct ispif_device *ispif;
struct vfe_device *vfe;
atomic_t ref_count;
int genpd_num;
struct device *genpd;
struct device_link *genpd_link;
struct icc_path *icc_path[ICC_SM8250_COUNT];
const struct camss_resources *res;
};
struct camss_camera_interface {
u8 csiphy_id;
struct csiphy_csi2_cfg csi2;
};
struct camss_async_subdev {
struct v4l2_async_connection asd; /* must be first */
struct camss_camera_interface interface;
};
struct camss_clock {
struct clk *clk;
const char *name;
u32 *freq;
u32 nfreqs;
};
void camss_add_clock_margin(u64 *rate);
int camss_enable_clocks(int nclocks, struct camss_clock *clock,
struct device *dev);
void camss_disable_clocks(int nclocks, struct camss_clock *clock);
struct media_entity *camss_find_sensor(struct media_entity *entity);
s64 camss_get_link_freq(struct media_entity *entity, unsigned int bpp,
unsigned int lanes);
int camss_get_pixel_clock(struct media_entity *entity, u64 *pixel_clock);
int camss_pm_domain_on(struct camss *camss, int id);
void camss_pm_domain_off(struct camss *camss, int id);
void camss_delete(struct camss *camss);
#endif /* QC_MSM_CAMSS_H */
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