drivers/staging/media/atomisp/pci/atomisp2/css2400/css_2401_csi2p_system/csi_rx_global.h

   1 /*
   2  * Support for Intel Camera Imaging ISP subsystem.
   3  * Copyright (c) 2015, Intel Corporation.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms and conditions of the GNU General Public License,
   7  * version 2, as published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  */
  14
  15 #ifndef __CSI_RX_GLOBAL_H_INCLUDED__
  16 #define __CSI_RX_GLOBAL_H_INCLUDED__
  17
  18 #include <type_support.h>
  19
  20 typedef enum {
  21         CSI_MIPI_PACKET_TYPE_UNDEFINED = 0,
  22         CSI_MIPI_PACKET_TYPE_LONG,
  23         CSI_MIPI_PACKET_TYPE_SHORT,
  24         CSI_MIPI_PACKET_TYPE_RESERVED,
  25         N_CSI_MIPI_PACKET_TYPE
  26 } csi_mipi_packet_type_t;
  27
  28 typedef struct csi_rx_backend_lut_entry_s       csi_rx_backend_lut_entry_t;
  29 struct csi_rx_backend_lut_entry_s {
  30         uint32_t        long_packet_entry;
  31         uint32_t        short_packet_entry;
  32 };
  33
  34 typedef struct csi_rx_backend_cfg_s csi_rx_backend_cfg_t;
  35 struct csi_rx_backend_cfg_s {
  36         /* LUT entry for the packet */
  37         csi_rx_backend_lut_entry_t lut_entry;
  38
  39         /* can be derived from the Data Type */
  40         csi_mipi_packet_type_t csi_mipi_packet_type;
  41
  42         struct {
  43                 bool     comp_enable;
  44                 uint32_t virtual_channel;
  45                 uint32_t data_type;
  46                 uint32_t comp_scheme;
  47                 uint32_t comp_predictor;
  48                 uint32_t comp_bit_idx;
  49         } csi_mipi_cfg;
  50 };
  51
  52 typedef struct csi_rx_frontend_cfg_s csi_rx_frontend_cfg_t;
  53 struct csi_rx_frontend_cfg_s {
  54         uint32_t active_lanes;
  55 };
  56
  57 extern const uint32_t N_SHORT_PACKET_LUT_ENTRIES[N_CSI_RX_BACKEND_ID];
  58 extern const uint32_t N_LONG_PACKET_LUT_ENTRIES[N_CSI_RX_BACKEND_ID];
  59 extern const uint32_t N_CSI_RX_FE_CTRL_DLANES[N_CSI_RX_FRONTEND_ID];
  60 /* sid_width for CSI_RX_BACKEND<N>_ID */
  61 extern const uint32_t N_CSI_RX_BE_SID_WIDTH[N_CSI_RX_BACKEND_ID];
  62
  63 #endif /* __CSI_RX_GLOBAL_H_INCLUDED__ */