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

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * camss-ispif.h
   4 *
   5 * Qualcomm MSM Camera Subsystem - ISPIF (ISP Interface) Module
   6 *
   7 * Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
   8 * Copyright (C) 2015-2018 Linaro Ltd.
   9 */
  10#ifndef QC_MSM_CAMSS_ISPIF_H
  11#define QC_MSM_CAMSS_ISPIF_H
  12
  13#include <linux/clk.h>
  14#include <media/media-entity.h>
  15#include <media/v4l2-device.h>
  16#include <media/v4l2-subdev.h>
  17
  18#define MSM_ISPIF_PAD_SINK 0
  19#define MSM_ISPIF_PAD_SRC 1
  20#define MSM_ISPIF_PADS_NUM 2
  21
  22#define MSM_ISPIF_VFE_NUM 2
  23
  24enum ispif_intf {
  25        PIX0,
  26        RDI0,
  27        PIX1,
  28        RDI1,
  29        RDI2
  30};
  31
  32struct ispif_intf_cmd_reg {
  33        u32 cmd_0;
  34        u32 cmd_1;
  35};
  36
  37struct ispif_line {
  38        struct ispif_device *ispif;
  39        u8 id;
  40        u8 csid_id;
  41        u8 vfe_id;
  42        enum ispif_intf interface;
  43        struct v4l2_subdev subdev;
  44        struct media_pad pads[MSM_ISPIF_PADS_NUM];
  45        struct v4l2_mbus_framefmt fmt[MSM_ISPIF_PADS_NUM];
  46        const u32 *formats;
  47        unsigned int nformats;
  48};
  49
  50struct ispif_device {
  51        void __iomem *base;
  52        void __iomem *base_clk_mux;
  53        u32 irq;
  54        char irq_name[30];
  55        struct camss_clock *clock;
  56        int nclocks;
  57        struct camss_clock  *clock_for_reset;
  58        int nclocks_for_reset;
  59        struct completion reset_complete[MSM_ISPIF_VFE_NUM];
  60        int power_count;
  61        struct mutex power_lock;
  62        struct ispif_intf_cmd_reg intf_cmd[MSM_ISPIF_VFE_NUM];
  63        struct mutex config_lock;
  64        unsigned int line_num;
  65        struct ispif_line *line;
  66        struct camss *camss;
  67};
  68
  69struct resources_ispif;
  70
  71int msm_ispif_subdev_init(struct camss *camss,
  72                          const struct resources_ispif *res);
  73
  74int msm_ispif_register_entities(struct ispif_device *ispif,
  75                                struct v4l2_device *v4l2_dev);
  76
  77void msm_ispif_unregister_entities(struct ispif_device *ispif);
  78
  79#endif /* QC_MSM_CAMSS_ISPIF_H */
  80