comm.h

   1 /*****************************************************************************
   2  * comm.h
   3  *****************************************************************************
   4  * Copyright (C) 2008 VideoLAN
   5  *
   6  * Authors: Christophe Massiot <massiot@via.ecp.fr>
   7  *
   8  * This program is free software. It comes without any warranty, to
   9  * the extent permitted by applicable law. You can redistribute it
  10  * and/or modify it under the terms of the Do What The Fuck You Want
  11  * To Public License, Version 2, as published by Sam Hocevar. See
  12  * http://sam.zoy.org/wtfpl/COPYING for more details.
  13  *****************************************************************************/
  14
  15 /* DVB Card Drivers */
  16 #include <linux/dvb/version.h>
  17 #include <linux/dvb/dmx.h>
  18 #include <linux/dvb/frontend.h>
  19 #include <linux/dvb/ca.h>
  20
  21 #include <bitstream/mpeg/psi.h>
  22
  23 #define COMM_HEADER_SIZE 8
  24 #define COMM_BUFFER_SIZE (COMM_HEADER_SIZE + ((PSI_PRIVATE_MAX_SIZE + PSI_HEADER_SIZE) * (PSI_TABLE_MAX_SECTIONS / 2)))
  25 #define COMM_HEADER_MAGIC 0x49
  26
  27 #define COMM_MAX_MSG_CHUNK 65535
  28
  29 typedef enum {
  30     CMD_INVALID             = 0,
  31     CMD_RELOAD              = 1,
  32     CMD_SHUTDOWN            = 2,
  33     CMD_FRONTEND_STATUS     = 3,
  34     CMD_MMI_STATUS          = 4,
  35     CMD_MMI_SLOT_STATUS     = 5, /* arg: slot */
  36     CMD_MMI_OPEN            = 6, /* arg: slot */
  37     CMD_MMI_CLOSE           = 7, /* arg: slot */
  38     CMD_MMI_RECV            = 8, /* arg: slot */
  39     CMD_GET_PAT             = 10,
  40     CMD_GET_CAT             = 11,
  41     CMD_GET_NIT             = 12,
  42     CMD_GET_SDT             = 13,
  43     CMD_GET_PMT             = 14, /* arg: service_id (uint16_t) */
  44     CMD_GET_PIDS            = 15,
  45     CMD_GET_PID             = 16, /* arg: pid (uint16_t) */
  46     CMD_MMI_SEND_TEXT       = 17, /* arg: slot, en50221_mmi_object_t */
  47     CMD_MMI_SEND_CHOICE     = 18, /* arg: slot, en50221_mmi_object_t */
  48 } ctl_cmd_t;
  49
  50 typedef enum {
  51     RET_OK                  = 0,
  52     RET_ERR                 = 1,
  53     RET_FRONTEND_STATUS     = 2,
  54     RET_MMI_STATUS          = 3,
  55     RET_MMI_SLOT_STATUS     = 4,
  56     RET_MMI_RECV            = 5,
  57     RET_MMI_WAIT            = 6,
  58     RET_NODATA              = 7,
  59     RET_PAT                 = 8,
  60     RET_CAT                 = 9,
  61     RET_NIT                 = 10,
  62     RET_SDT                 = 11,
  63     RET_PMT                 = 12,
  64     RET_PIDS                = 13,
  65     RET_PID                 = 14,
  66     RET_HUH                 = 255,
  67 } ctl_cmd_answer_t;
  68
  69 struct ret_frontend_status
  70 {
  71     struct dvb_frontend_info info;
  72     fe_status_t i_status;
  73     int32_t i_ber, i_strength, i_snr;
  74 };
  75
  76 struct ret_mmi_status
  77 {
  78     ca_caps_t caps;
  79 };
  80
  81 struct ret_mmi_slot_status
  82 {
  83     ca_slot_info_t sinfo;
  84 };
  85
  86 struct ret_mmi_recv
  87 {
  88     en50221_mmi_object_t object;
  89 };
  90
  91 struct cmd_mmi_send
  92 {
  93     uint8_t i_slot;
  94     en50221_mmi_object_t object;
  95 };
  96
  97 struct cmd_pid_info
  98 {
  99     ts_pid_info_t pids[MAX_PIDS];
 100 };