LXR linux/drivers/media/platform/qcom/camss/camss-csid.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * camss-csid.h
   4 *
   5 * Qualcomm MSM Camera Subsystem - CSID (CSI Decoder) Module
   6 *
   7 * Copyright (c) 2011-2014, The Linux Foundation. All rights reserved.
   8 * Copyright (C) 2015-2018 Linaro Ltd.
   9 */
  10#ifndef QC_MSM_CAMSS_CSID_H
  11#define QC_MSM_CAMSS_CSID_H
  12
  13#include <linux/clk.h>
  14#include <media/media-entity.h>
  15#include <media/v4l2-ctrls.h>
  16#include <media/v4l2-device.h>
  17#include <media/v4l2-mediabus.h>
  18#include <media/v4l2-subdev.h>
  19
  20#define MSM_CSID_PAD_SINK 0
  21#define MSM_CSID_PAD_SRC 1
  22#define MSM_CSID_PADS_NUM 2
  23
  24enum csid_payload_mode {
  25        CSID_PAYLOAD_MODE_INCREMENTING = 0,
  26        CSID_PAYLOAD_MODE_ALTERNATING_55_AA = 1,
  27        CSID_PAYLOAD_MODE_ALL_ZEROES = 2,
  28        CSID_PAYLOAD_MODE_ALL_ONES = 3,
  29        CSID_PAYLOAD_MODE_RANDOM = 4,
  30        CSID_PAYLOAD_MODE_USER_SPECIFIED = 5,
  31};
  32
  33struct csid_testgen_config {
  34        u8 enabled;
  35        enum csid_payload_mode payload_mode;
  36};
  37
  38struct csid_phy_config {
  39        u8 csiphy_id;
  40        u8 lane_cnt;
  41        u32 lane_assign;
  42};
  43
  44struct csid_device {
  45        struct camss *camss;
  46        u8 id;
  47        struct v4l2_subdev subdev;
  48        struct media_pad pads[MSM_CSID_PADS_NUM];
  49        void __iomem *base;
  50        u32 irq;
  51        char irq_name[30];
  52        struct camss_clock *clock;
  53        int nclocks;
  54        struct regulator *vdda;
  55        struct completion reset_complete;
  56        struct csid_testgen_config testgen;
  57        struct csid_phy_config phy;
  58        struct v4l2_mbus_framefmt fmt[MSM_CSID_PADS_NUM];
  59        struct v4l2_ctrl_handler ctrls;
  60        struct v4l2_ctrl *testgen_mode;
  61        const struct csid_format *formats;
  62        unsigned int nformats;
  63};
  64
  65struct resources;
  66
  67int msm_csid_subdev_init(struct camss *camss, struct csid_device *csid,
  68                         const struct resources *res, u8 id);
  69
  70int msm_csid_register_entity(struct csid_device *csid,
  71                             struct v4l2_device *v4l2_dev);
  72
  73void msm_csid_unregister_entity(struct csid_device *csid);
  74
  75void msm_csid_get_csid_id(struct media_entity *entity, u8 *id);
  76
  77#endif /* QC_MSM_CAMSS_CSID_H */
  78