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1/* SPDX-License-Identifier: GPL-2.0 */2/*3 * camss.h4 *5 * Qualcomm MSM Camera Subsystem - Core6 *7 * Copyright (c) 2015, The Linux Foundation. All rights reserved.8 * Copyright (C) 2015-2018 Linaro Ltd.9 */10#ifndef QC_MSM_CAMSS_H11#define QC_MSM_CAMSS_H12 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>20 21#include "camss-csid.h"22#include "camss-csiphy.h"23#include "camss-ispif.h"24#include "camss-vfe.h"25#include "camss-format.h"26 27#define to_camss(ptr_module) \28 container_of(ptr_module, struct camss, ptr_module)29 30#define to_device(ptr_module) \31 (to_camss(ptr_module)->dev)32 33#define module_pointer(ptr_module, index) \34 ((const struct ptr_module##_device (*)[]) &(ptr_module[-(index)]))35 36#define to_camss_index(ptr_module, index) \37 container_of(module_pointer(ptr_module, index), \38 struct camss, ptr_module)39 40#define to_device_index(ptr_module, index) \41 (to_camss_index(ptr_module, index)->dev)42 43#define CAMSS_RES_MAX 1744 45struct camss_subdev_resources {46 char *regulators[CAMSS_RES_MAX];47 char *clock[CAMSS_RES_MAX];48 char *clock_for_reset[CAMSS_RES_MAX];49 u32 clock_rate[CAMSS_RES_MAX][CAMSS_RES_MAX];50 char *reg[CAMSS_RES_MAX];51 char *interrupt[CAMSS_RES_MAX];52 union {53 struct csiphy_subdev_resources csiphy;54 struct csid_subdev_resources csid;55 struct vfe_subdev_resources vfe;56 };57};58 59struct icc_bw_tbl {60 u32 avg;61 u32 peak;62};63 64struct resources_icc {65 char *name;66 struct icc_bw_tbl icc_bw_tbl;67};68 69enum pm_domain {70 PM_DOMAIN_VFE0 = 0,71 PM_DOMAIN_VFE1 = 1,72 PM_DOMAIN_VFELITE = 2, /* VFELITE / TOP GDSC */73};74 75enum camss_version {76 CAMSS_8x16,77 CAMSS_8x96,78 CAMSS_660,79 CAMSS_845,80 CAMSS_8250,81 CAMSS_8280XP,82};83 84enum icc_count {85 ICC_DEFAULT_COUNT = 0,86 ICC_SM8250_COUNT = 4,87};88 89struct camss_resources {90 enum camss_version version;91 const char *pd_name;92 const struct camss_subdev_resources *csiphy_res;93 const struct camss_subdev_resources *csid_res;94 const struct camss_subdev_resources *ispif_res;95 const struct camss_subdev_resources *vfe_res;96 const struct resources_icc *icc_res;97 const unsigned int icc_path_num;98 const unsigned int csiphy_num;99 const unsigned int csid_num;100 const unsigned int vfe_num;101 int (*link_entities)(struct camss *camss);102};103 104struct camss {105 struct v4l2_device v4l2_dev;106 struct v4l2_async_notifier notifier;107 struct media_device media_dev;108 struct device *dev;109 struct csiphy_device *csiphy;110 struct csid_device *csid;111 struct ispif_device *ispif;112 struct vfe_device *vfe;113 atomic_t ref_count;114 int genpd_num;115 struct device *genpd;116 struct device_link *genpd_link;117 struct icc_path *icc_path[ICC_SM8250_COUNT];118 const struct camss_resources *res;119};120 121struct camss_camera_interface {122 u8 csiphy_id;123 struct csiphy_csi2_cfg csi2;124};125 126struct camss_async_subdev {127 struct v4l2_async_connection asd; /* must be first */128 struct camss_camera_interface interface;129};130 131struct camss_clock {132 struct clk *clk;133 const char *name;134 u32 *freq;135 u32 nfreqs;136};137 138struct parent_dev_ops {139 int (*get)(struct camss *camss, int id);140 int (*put)(struct camss *camss, int id);141 void __iomem *(*get_base_address)(struct camss *camss, int id);142};143 144void camss_add_clock_margin(u64 *rate);145int camss_enable_clocks(int nclocks, struct camss_clock *clock,146 struct device *dev);147void camss_disable_clocks(int nclocks, struct camss_clock *clock);148struct media_entity *camss_find_sensor(struct media_entity *entity);149s64 camss_get_link_freq(struct media_entity *entity, unsigned int bpp,150 unsigned int lanes);151int camss_get_pixel_clock(struct media_entity *entity, u64 *pixel_clock);152int camss_pm_domain_on(struct camss *camss, int id);153void camss_pm_domain_off(struct camss *camss, int id);154int camss_vfe_get(struct camss *camss, int id);155void camss_vfe_put(struct camss *camss, int id);156void camss_delete(struct camss *camss);157 158#endif /* QC_MSM_CAMSS_H */159