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1/* SPDX-License-Identifier: GPL-2.0 */2/*3 * camss-csiphy.h4 *5 * Qualcomm MSM Camera Subsystem - CSIPHY Module6 *7 * Copyright (c) 2011-2015, The Linux Foundation. All rights reserved.8 * Copyright (C) 2016-2018 Linaro Ltd.9 */10#ifndef QC_MSM_CAMSS_CSIPHY_H11#define QC_MSM_CAMSS_CSIPHY_H12 13#include <linux/clk.h>14#include <linux/interrupt.h>15#include <media/media-entity.h>16#include <media/v4l2-device.h>17#include <media/v4l2-mediabus.h>18#include <media/v4l2-subdev.h>19 20#define MSM_CSIPHY_PAD_SINK 021#define MSM_CSIPHY_PAD_SRC 122#define MSM_CSIPHY_PADS_NUM 223 24struct csiphy_lane {25 u8 pos;26 u8 pol;27};28 29struct csiphy_lanes_cfg {30 int num_data;31 struct csiphy_lane *data;32 struct csiphy_lane clk;33};34 35struct csiphy_csi2_cfg {36 struct csiphy_lanes_cfg lane_cfg;37};38 39struct csiphy_config {40 u8 combo_mode;41 u8 csid_id;42 struct csiphy_csi2_cfg *csi2;43};44 45struct csiphy_format_info {46 u32 code;47 u8 bpp;48};49 50struct csiphy_formats {51 unsigned int nformats;52 const struct csiphy_format_info *formats;53};54 55struct csiphy_device;56 57struct csiphy_hw_ops {58 /*59 * csiphy_get_lane_mask - Calculate CSI2 lane mask configuration parameter60 * @lane_cfg - CSI2 lane configuration61 *62 * Return lane mask63 */64 u8 (*get_lane_mask)(struct csiphy_lanes_cfg *lane_cfg);65 void (*hw_version_read)(struct csiphy_device *csiphy,66 struct device *dev);67 void (*reset)(struct csiphy_device *csiphy);68 void (*lanes_enable)(struct csiphy_device *csiphy,69 struct csiphy_config *cfg,70 s64 link_freq, u8 lane_mask);71 void (*lanes_disable)(struct csiphy_device *csiphy,72 struct csiphy_config *cfg);73 irqreturn_t (*isr)(int irq, void *dev);74};75 76struct csiphy_subdev_resources {77 const struct csiphy_hw_ops *hw_ops;78 const struct csiphy_formats *formats;79};80 81struct csiphy_device {82 struct camss *camss;83 u8 id;84 struct v4l2_subdev subdev;85 struct media_pad pads[MSM_CSIPHY_PADS_NUM];86 void __iomem *base;87 void __iomem *base_clk_mux;88 u32 irq;89 char irq_name[30];90 struct camss_clock *clock;91 bool *rate_set;92 int nclocks;93 u32 timer_clk_rate;94 struct csiphy_config cfg;95 struct v4l2_mbus_framefmt fmt[MSM_CSIPHY_PADS_NUM];96 const struct csiphy_subdev_resources *res;97};98 99struct camss_subdev_resources;100 101int msm_csiphy_subdev_init(struct camss *camss,102 struct csiphy_device *csiphy,103 const struct camss_subdev_resources *res, u8 id);104 105int msm_csiphy_register_entity(struct csiphy_device *csiphy,106 struct v4l2_device *v4l2_dev);107 108void msm_csiphy_unregister_entity(struct csiphy_device *csiphy);109 110extern const struct csiphy_formats csiphy_formats_8x16;111extern const struct csiphy_formats csiphy_formats_8x96;112extern const struct csiphy_formats csiphy_formats_sdm845;113 114extern const struct csiphy_hw_ops csiphy_ops_2ph_1_0;115extern const struct csiphy_hw_ops csiphy_ops_3ph_1_0;116 117#endif /* QC_MSM_CAMSS_CSIPHY_H */118