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
  24 enum ispif_intf {
  25         PIX0,
  26         RDI0,
  27         PIX1,
  28         RDI1,
  29         RDI2
  30 };
  31
  32 struct ispif_intf_cmd_reg {
  33         u32 cmd_0;
  34         u32 cmd_1;
  35 };
  36
  37 struct 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
  50 struct 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
  69 struct camss_subdev_resources;
  70
  71 int msm_ispif_subdev_init(struct camss *camss,
  72                           const struct camss_subdev_resources *res);
  73
  74 int msm_ispif_register_entities(struct ispif_device *ispif,
  75                                 struct v4l2_device *v4l2_dev);
  76
  77 void msm_ispif_unregister_entities(struct ispif_device *ispif);
  78
  79 #endif /* QC_MSM_CAMSS_ISPIF_H */