drivers/media/platform/qcom/camss-8x16/camss-csiphy.h

   1 /*
   2  * camss-csiphy.h
   3  *
   4  * Qualcomm MSM Camera Subsystem - CSIPHY Module
   5  *
   6  * Copyright (c) 2011-2015, The Linux Foundation. All rights reserved.
   7  * Copyright (C) 2016-2017 Linaro Ltd.
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 and
  11  * only version 2 as published by the Free Software Foundation.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  */
  18 #ifndef QC_MSM_CAMSS_CSIPHY_H
  19 #define QC_MSM_CAMSS_CSIPHY_H
  20
  21 #include <linux/clk.h>
  22 #include <media/media-entity.h>
  23 #include <media/v4l2-device.h>
  24 #include <media/v4l2-mediabus.h>
  25 #include <media/v4l2-subdev.h>
  26
  27 #define MSM_CSIPHY_PAD_SINK 0
  28 #define MSM_CSIPHY_PAD_SRC 1
  29 #define MSM_CSIPHY_PADS_NUM 2
  30
  31 struct csiphy_lane {
  32         u8 pos;
  33         u8 pol;
  34 };
  35
  36 struct csiphy_lanes_cfg {
  37         int num_data;
  38         struct csiphy_lane *data;
  39         struct csiphy_lane clk;
  40 };
  41
  42 struct csiphy_csi2_cfg {
  43         struct csiphy_lanes_cfg lane_cfg;
  44 };
  45
  46 struct csiphy_config {
  47         u8 combo_mode;
  48         u8 csid_id;
  49         struct csiphy_csi2_cfg *csi2;
  50 };
  51
  52 struct csiphy_device {
  53         u8 id;
  54         struct v4l2_subdev subdev;
  55         struct media_pad pads[MSM_CSIPHY_PADS_NUM];
  56         void __iomem *base;
  57         void __iomem *base_clk_mux;
  58         u32 irq;
  59         char irq_name[30];
  60         struct camss_clock *clock;
  61         int nclocks;
  62         u32 timer_clk_rate;
  63         struct csiphy_config cfg;
  64         struct v4l2_mbus_framefmt fmt[MSM_CSIPHY_PADS_NUM];
  65 };
  66
  67 struct resources;
  68
  69 int msm_csiphy_subdev_init(struct csiphy_device *csiphy,
  70                            const struct resources *res, u8 id);
  71
  72 int msm_csiphy_register_entity(struct csiphy_device *csiphy,
  73                                struct v4l2_device *v4l2_dev);
  74
  75 void msm_csiphy_unregister_entity(struct csiphy_device *csiphy);
  76
  77 #endif /* QC_MSM_CAMSS_CSIPHY_H */