LXR linux/drivers/staging/media/omap4iss/iss

   1/* SPDX-License-Identifier: GPL-2.0+ */
   2/*
   3 * TI OMAP4 ISS V4L2 Driver - CSI PHY module
   4 *
   5 * Copyright (C) 2012 Texas Instruments, Inc.
   6 *
   7 * Author: Sergio Aguirre <sergio.a.aguirre@gmail.com>
   8 */
   9
  10#ifndef OMAP4_ISS_CSI_PHY_H
  11#define OMAP4_ISS_CSI_PHY_H
  12
  13#include <linux/platform_data/media/omap4iss.h>
  14
  15struct iss_csi2_device;
  16
  17struct iss_csiphy_dphy_cfg {
  18        u8 ths_term;
  19        u8 ths_settle;
  20        u8 tclk_term;
  21        unsigned tclk_miss:1;
  22        u8 tclk_settle;
  23};
  24
  25struct iss_csiphy {
  26        struct iss_device *iss;
  27        struct mutex mutex;     /* serialize csiphy configuration */
  28        u8 phy_in_use;
  29        struct iss_csi2_device *csi2;
  30
  31        /* memory resources, as defined in enum iss_mem_resources */
  32        unsigned int cfg_regs;
  33        unsigned int phy_regs;
  34
  35        u8 max_data_lanes;      /* number of CSI2 Data Lanes supported */
  36        u8 used_data_lanes;     /* number of CSI2 Data Lanes used */
  37        struct iss_csiphy_lanes_cfg lanes;
  38        struct iss_csiphy_dphy_cfg dphy;
  39};
  40
  41int omap4iss_csiphy_config(struct iss_device *iss,
  42                           struct v4l2_subdev *csi2_subdev);
  43int omap4iss_csiphy_acquire(struct iss_csiphy *phy);
  44void omap4iss_csiphy_release(struct iss_csiphy *phy);
  45int omap4iss_csiphy_init(struct iss_device *iss);
  46
  47#endif  /* OMAP4_ISS_CSI_PHY_H */
  48