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

   1 /*
   2  * camss-ispif.h
   3  *
   4  * Qualcomm MSM Camera Subsystem - ISPIF (ISP Interface) Module
   5  *
   6  * Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
   7  * Copyright (C) 2015-2017 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_ISPIF_H
  19 #define QC_MSM_CAMSS_ISPIF_H
  20
  21 #include <linux/clk.h>
  22 #include <media/media-entity.h>
  23 #include <media/v4l2-device.h>
  24 #include <media/v4l2-subdev.h>
  25
  26 /* Number of ISPIF lines - same as number of CSID hardware modules */
  27 #define MSM_ISPIF_LINE_NUM 2
  28
  29 #define MSM_ISPIF_PAD_SINK 0
  30 #define MSM_ISPIF_PAD_SRC 1
  31 #define MSM_ISPIF_PADS_NUM 2
  32
  33 #define MSM_ISPIF_VFE_NUM 1
  34
  35 enum ispif_intf {
  36         PIX0,
  37         RDI0,
  38         PIX1,
  39         RDI1,
  40         RDI2
  41 };
  42
  43 struct ispif_intf_cmd_reg {
  44         u32 cmd_0;
  45         u32 cmd_1;
  46 };
  47
  48 struct ispif_line {
  49         u8 id;
  50         u8 csid_id;
  51         u8 vfe_id;
  52         enum ispif_intf interface;
  53         struct v4l2_subdev subdev;
  54         struct media_pad pads[MSM_ISPIF_PADS_NUM];
  55         struct v4l2_mbus_framefmt fmt[MSM_ISPIF_PADS_NUM];
  56 };
  57
  58 struct ispif_device {
  59         void __iomem *base;
  60         void __iomem *base_clk_mux;
  61         u32 irq;
  62         char irq_name[30];
  63         struct camss_clock *clock;
  64         int nclocks;
  65         struct camss_clock  *clock_for_reset;
  66         int nclocks_for_reset;
  67         struct completion reset_complete;
  68         int power_count;
  69         struct mutex power_lock;
  70         struct ispif_intf_cmd_reg intf_cmd[MSM_ISPIF_VFE_NUM];
  71         struct mutex config_lock;
  72         struct ispif_line line[MSM_ISPIF_LINE_NUM];
  73 };
  74
  75 struct resources_ispif;
  76
  77 int msm_ispif_subdev_init(struct ispif_device *ispif,
  78                           const struct resources_ispif *res);
  79
  80 int msm_ispif_register_entities(struct ispif_device *ispif,
  81                                 struct v4l2_device *v4l2_dev);
  82
  83 void msm_ispif_unregister_entities(struct ispif_device *ispif);
  84
  85 #endif /* QC_MSM_CAMSS_ISPIF_H */