| 1 | /*************************************************************************** |
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| 2 | * Copyright (c) 2003-2006, Broadcom Corporation |
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| 3 | * All Rights Reserved |
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| 4 | * Confidential Property of Broadcom Corporation |
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| 5 | * |
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| 6 | * THIS SOFTWARE MAY ONLY BE USED SUBJECT TO AN EXECUTED SOFTWARE LICENSE |
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| 7 | * AGREEMENT BETWEEN THE USER AND BROADCOM. YOU HAVE NO RIGHT TO USE OR |
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| 8 | * EXPLOIT THIS MATERIAL EXCEPT SUBJECT TO THE TERMS OF SUCH AN AGREEMENT. |
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| 9 | * |
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| 10 | * $brcm_Workfile: $ |
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| 11 | * $brcm_Revision: $ |
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| 12 | * $brcm_Date: $ |
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| 13 | * |
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| 14 | * Module Description: |
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| 15 | * |
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| 16 | * Revision History: |
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| 17 | * |
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| 18 | * $brcm_Log: $ |
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| 19 | * |
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| 20 | ***************************************************************************/ |
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| 21 | #ifndef CHAN_MGR_H__ |
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| 22 | #define CHAN_MGR_H__ |
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| 23 | |
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| 24 | #include "bsettop_stream.h" |
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| 25 | #include "bsettop_tuner.h" |
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| 26 | #include "bsettop_smessage.h" |
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| 27 | #include "bstd.h" |
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| 28 | #include "ts_psi.h" |
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| 29 | #include "ts_pat.h" |
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| 30 | #include "ts_pmt.h" |
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| 31 | #include "psip_mss.h" |
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| 32 | #include "psip_descriptor.h" |
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| 33 | #include "bos.h" |
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| 34 | #include "ch_map.h" |
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| 35 | #include "bapp_freq_table.h" |
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| 36 | |
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| 37 | #include "psip_vct.h" |
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| 38 | #include "psip_stt.h" |
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| 39 | #include "psip_rrt.h" |
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| 40 | #include "psip_mgt.h" |
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| 41 | #include "psip_eit.h" |
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| 42 | |
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| 43 | #define MAX_CHANNELS 128 |
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| 44 | #define MAX_CH_NAME_CHARS 32 |
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| 45 | #define MAX_CH_SHORT_NAME_CHARS 7 /* short name in VCT */ |
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| 46 | #define MAX_LONG_NAME_CHARS 128 |
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| 47 | #define MAX_TIME_STR_CHARS 32 |
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| 48 | #define MAX_RATING_STR_CHARS 32 |
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| 49 | #define MAX_EIT_NUM 9 /* make it multiple of detailed EPG entry size 9 for each page */ |
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| 50 | #define EIT_CURRENT 0 |
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| 51 | #define EIT_NEXT 1 |
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| 52 | #define MAX_CMD_HIST 128 |
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| 53 | |
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| 54 | /* for SCTE 127 VBI */ |
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| 55 | #ifdef HAS_VBI |
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| 56 | #include "pmt_desc_scte_127.h" |
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| 57 | #include "scte_127.h" |
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| 58 | #endif |
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| 59 | #define EAS_BUF_LEN (1024 + 188) |
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| 60 | |
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| 61 | #define MAX_RRT_DIM 128 |
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| 62 | #define RRT_BUF_LEN (1024 + 188) |
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| 63 | |
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| 64 | #define MAX_CHM_EVENT 32 |
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| 65 | #define MAX_TITLE_CHARS 96 |
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| 66 | #define MAX_DESC_CHARS 256 |
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| 67 | #define MAX_TIME_STR_CHARS 32 |
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| 68 | #define MAX_CC_SERVICES 6 |
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| 69 | |
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| 70 | /* |
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| 71 | Summary: |
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| 72 | Internal state. |
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| 73 | */ |
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| 74 | typedef enum chm_state_t |
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| 75 | { |
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| 76 | eCHM_GET_STT, |
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| 77 | eCHM_GET_VCT, |
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| 78 | eCHM_GET_MGT, |
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| 79 | eCHM_PROCESS_MGT, |
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| 80 | eCHM_PROG_IDLE |
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| 81 | }chm_state_t; |
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| 82 | |
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| 83 | /* |
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| 84 | Summary: |
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| 85 | Command enumeration to control channel manager. |
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| 86 | */ |
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| 87 | typedef enum chm_cmd_t |
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| 88 | { |
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| 89 | eCHM_CANCEL, |
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| 90 | eCHM_TUNE, |
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| 91 | eCHM_INFO, |
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| 92 | eCHM_STOP, |
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| 93 | eCHM_CHECK_SIGNAL, |
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| 94 | eCHM_HUNT, |
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| 95 | eCHM_GUIDE, |
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| 96 | eCHM_SAP |
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| 97 | }chm_cmd_t; |
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| 98 | /* Command event structure */ |
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| 99 | typedef struct chm_cmd_event_t |
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| 100 | { |
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| 101 | chm_cmd_t cmd_id; /* Command ID */ |
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| 102 | unsigned char data[32]; |
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| 103 | }chm_cmd_event_t; |
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| 104 | /* |
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| 105 | Summary: |
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| 106 | Types of tune commands. |
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| 107 | */ |
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| 108 | typedef enum chm_tune_type_t |
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| 109 | { |
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| 110 | eCHM_UP, |
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| 111 | eCHM_DOWN, |
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| 112 | eCHM_CURRENT, |
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| 113 | eCHM_CH_NUM, |
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| 114 | eCHM_FREQ, |
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| 115 | }chm_tune_type_t; |
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| 116 | |
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| 117 | /* |
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| 118 | Summary: |
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| 119 | Tune command event structure. |
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| 120 | */ |
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| 121 | typedef struct chm_tune_event_t |
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| 122 | { |
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| 123 | chm_cmd_t cmd_id; /* Command ID */ |
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| 124 | chm_tune_type_t type; /* Type of tune command */ |
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| 125 | unsigned int data; /* Frequency in Hz, or channel number depending on type */ |
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| 126 | }chm_tune_event_t; |
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| 127 | |
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| 128 | /* |
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| 129 | Summary: |
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| 130 | Command enumeration to control channel manager. |
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| 131 | */ |
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| 132 | typedef enum chm_status_t |
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| 133 | { |
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| 134 | eCHM_STATUS_HUNT, |
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| 135 | eCHM_STATUS_CHMAP, |
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| 136 | eCHM_STATUS_NORMAL, |
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| 137 | eCHM_STATUS_PAT, |
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| 138 | eCHM_STATUS_NOPAT, |
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| 139 | eCHM_STATUS_TUNE_MS, |
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| 140 | eCHM_STATUS_SI_MS, |
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| 141 | }chm_status_t; |
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| 142 | /* |
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| 143 | Summary: |
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| 144 | Command enumeration to control channel manager. |
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| 145 | */ |
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| 146 | typedef enum chm_evt_type_t |
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| 147 | { |
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| 148 | eCHM_EVT_CANCEL, |
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| 149 | eCHM_EVT_DONE, |
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| 150 | eCHM_EVT_REDRAW, |
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| 151 | eCHM_EVT_PROGRESS, |
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| 152 | eCHM_EVT_SIGNAL, /* Provide CA information, id - signal strength, data: SNR (32 bits), freq hz (32 bits) */ |
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| 153 | eCHM_EVT_EAS, |
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| 154 | eCHM_EVT_STATUS, /* Provide status information, id - 0 Hunt Mode, 1 Pending Init Mode, 2 new ch map, 3 PAT, 4 PAT failed */ |
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| 155 | eCHM_EVT_AV_MUTE, /* change AV Mute, id - 0 Unmute, 1 mute */ |
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| 156 | eCHM_EVT_SAVE, /* save settings message */ |
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| 157 | eCHM_EVT_TIME, /* system time message, id - system time - GPS_offset , data: host clock offset (32 bits) */ |
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| 158 | eCHM_EVT_RRT, /* RRT event */ |
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| 159 | eCHM_EVT_CAD, /* content advisory descriptor event */ |
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| 160 | eCHM_EVT_BLOCK, /* block event from XDS packet */ |
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| 161 | eCHM_EVT_SET_SCREEN, /* captioning service information */ |
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| 162 | eCHM_EVT_SNR, /* SNR event */ |
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| 163 | eCHM_EVT_RESET, /* reset message, id - 0 nop, 1 reboot, 2 partial reset, 3 full reset */ |
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| 164 | eCHM_EVT_MAX, /* Number of eCHM_EVTs */ |
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| 165 | }chm_evt_type_t; |
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| 166 | |
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| 167 | /* event structure for signaling application */ |
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| 168 | typedef struct chm_event_t |
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| 169 | { |
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| 170 | chm_evt_type_t type; |
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| 171 | unsigned int id; |
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| 172 | unsigned int ticks; |
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| 173 | unsigned char data[256]; |
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| 174 | }chm_event_t; |
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| 175 | |
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| 176 | /* Screen event structure */ |
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| 177 | typedef struct chm_time_event_t |
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| 178 | { |
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| 179 | chm_evt_type_t type; |
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| 180 | unsigned int system_time; |
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| 181 | unsigned int system_offset; |
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| 182 | unsigned int utc_offset; |
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| 183 | }chm_time_event_t; |
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| 184 | |
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| 185 | /* Signal structure */ |
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| 186 | typedef struct chm_signal_event_t |
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| 187 | { |
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| 188 | chm_evt_type_t type; |
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| 189 | unsigned int lock; |
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| 190 | unsigned int power; |
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| 191 | unsigned int ticks; |
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| 192 | unsigned int SNR; |
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| 193 | unsigned int freq_hz; |
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| 194 | unsigned int signal_quality; |
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| 195 | int mode; |
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| 196 | }chm_signal_event_t; |
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| 197 | |
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| 198 | /* |
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| 199 | Summary: |
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| 200 | Structure to help associate a stream and video PID |
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| 201 | */ |
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| 202 | typedef struct chm_stream_t |
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| 203 | { |
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| 204 | bstream_t stream; |
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| 205 | unsigned int freq_hz; |
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| 206 | unsigned short pid; |
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| 207 | }chm_stream_t; |
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| 208 | |
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| 209 | /* EIT Info structure */ |
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| 210 | typedef struct chm_eit_t |
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| 211 | { |
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| 212 | unsigned int start_time; |
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| 213 | unsigned int length; |
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| 214 | unsigned short event_id; |
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| 215 | unsigned char prog_title[MAX_TITLE_CHARS + 1]; |
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| 216 | unsigned char prog_desc[MAX_DESC_CHARS + 1]; |
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| 217 | PSIP_CSD_service cc_service[MAX_CC_SERVICES]; |
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| 218 | }chm_eit_t; |
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| 219 | |
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| 220 | /* Channel info structure */ |
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| 221 | typedef struct chm_info_t |
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| 222 | { |
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| 223 | unsigned short source_id; |
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| 224 | unsigned short major; |
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| 225 | unsigned short minor; |
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| 226 | unsigned short program_number; |
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| 227 | unsigned char ch_name[MAX_CH_NAME_CHARS]; |
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| 228 | unsigned char ext_ch_name[MAX_LONG_NAME_CHARS + 1]; |
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| 229 | //unsigned char vct_name[MAX_LONG_NAME_CHARS + 1]; |
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| 230 | chm_eit_t eit_info[MAX_EIT_NUM]; |
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| 231 | bool got_vct; |
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| 232 | unsigned char psip_rating_str[MAX_RATING_STR_CHARS]; /* remember psip rating string associated with EIT */ |
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| 233 | }chm_info_t; |
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| 234 | |
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| 235 | typedef enum time_source_t |
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| 236 | { |
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| 237 | eTS_NONE, |
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| 238 | eTS_TSID, |
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| 239 | eTS_XDS, |
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| 240 | eTS_FIXED, |
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| 241 | }time_source_t; |
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| 242 | |
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| 243 | /* MGT state constants */ |
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| 244 | typedef enum chm_mgt_state_t |
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| 245 | { |
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| 246 | eMGT_EIT, |
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| 247 | eMGT_ETT, |
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| 248 | }chm_mgt_state_t; |
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| 249 | |
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| 250 | /* flag indication what type of eit found */ |
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| 251 | typedef enum chm_eit_found_t |
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| 252 | { |
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| 253 | eEIT_NONE = 0x00, |
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| 254 | eEIT_CURRENT = 0x01, |
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| 255 | eEIT_NEXT = 0x02, |
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| 256 | eEIT_BOTH = 0x03, |
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| 257 | eEIT_CONT = 0x04, /* EIT/ETT beyond current and next */ |
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| 258 | }chm_eit_found_t; |
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| 259 | |
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| 260 | /* rrt event structure */ |
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| 261 | typedef struct chm_rrt_event_t |
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| 262 | { |
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| 263 | chm_evt_type_t type; |
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| 264 | unsigned int size; |
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| 265 | unsigned char rrt[RRT_BUF_LEN]; |
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| 266 | } chm_rrt_event_t; |
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| 267 | |
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| 268 | #define MAX_MSG_EVENTS 10 |
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| 269 | /* |
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| 270 | Summary: |
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| 271 | Command enumeration to control channel manager. |
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| 272 | */ |
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| 273 | typedef struct chm_mgr_t |
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| 274 | { |
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| 275 | chm_cmd_t cmd; /* Current channel manager state */ |
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| 276 | chm_state_t state; /* state controls data acquisition priority */ |
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| 277 | b_task_t task; |
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| 278 | unsigned int *stack; |
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| 279 | |
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| 280 | unsigned char *stt_buf; |
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| 281 | unsigned char *pat_buf; |
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| 282 | unsigned char *pmt_buf; |
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| 283 | unsigned char *eas_buf; |
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| 284 | b_queue_t queue; |
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| 285 | b_event_t event[MAX_CHM_EVENT]; |
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| 286 | chm_event_t chm_evt; |
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| 287 | chm_event_t chm_pat_evt; |
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| 288 | chm_event_t chm_pending_evt; |
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| 289 | chm_event_t chm_hunt_evt; |
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| 290 | chm_event_t chm_eas_evt; |
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| 291 | chm_event_t status_evt; |
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| 292 | chm_time_event_t time_evt; |
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| 293 | chm_event_t chmap_evt; |
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| 294 | chm_cmd_event_t cancel_cmd; |
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| 295 | chm_signal_event_t signal_evt; |
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| 296 | chm_event_t reset_evt; |
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| 297 | chm_event_t redraw_evt; |
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| 298 | void *p_app; |
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| 299 | |
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| 300 | b_mutex_t mutex; |
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| 301 | b_mutex_t ch_map_mutex; |
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| 302 | |
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| 303 | char tmp_text[MAX_TITLE_CHARS + 1]; |
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| 304 | |
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| 305 | smessage_stream_t stt_msg; |
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| 306 | smessage_stream_t eas_msg; |
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| 307 | |
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| 308 | char eas_timer_started; /* EAS timer support */ |
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| 309 | uint16_t sequence_number; /* sequence number (% 32) */ |
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| 310 | uint16_t EAS_event_ID; /* EAS event ID */ |
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| 311 | bool eas_reset; /* flag indicates eas is reset (will accept new eas without checking parameters) */ |
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| 312 | |
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| 313 | unsigned int select_idx; |
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| 314 | unsigned int hunt_cnt; |
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| 315 | |
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| 316 | b_queue_t gen_queue; |
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| 317 | b_event_t gen_event[MAX_MSG_EVENTS]; |
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| 318 | unsigned int pat_crc; |
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| 319 | unsigned int pmt_crc; |
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| 320 | |
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| 321 | ch_map_t ch_map; |
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| 322 | |
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| 323 | btuner_t tuner; |
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| 324 | smessage_stream_t smsg; |
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| 325 | btuner_params tuner_params; |
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| 326 | bapp_freq_table_type_t fe_type; |
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| 327 | unsigned int *freq_table; |
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| 328 | unsigned int num_freq; |
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| 329 | |
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| 330 | chm_stream_t chm_stream[BSETTOP_MAX_STREAMS]; |
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| 331 | bstream_mpeg mpeg[BSETTOP_MAX_STREAMS]; |
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| 332 | chm_stream_t *curr_stream; |
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| 333 | bband_t band; |
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| 334 | smessage_stream_params_t msg_params; |
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| 335 | bool decoding_video; |
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| 336 | bool decoding_audio; |
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| 337 | |
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| 338 | unsigned short network_pid; |
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| 339 | unsigned int vendor_id; |
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| 340 | unsigned int hardware_version_id; |
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| 341 | unsigned int last_freq_hz; |
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| 342 | |
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| 343 | unsigned int force_tune; /* force to tune even last frequency is same */ |
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| 344 | |
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| 345 | /* Status counts */ |
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| 346 | unsigned short ccm_cnt; |
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| 347 | unsigned short amm_cnt; |
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| 348 | unsigned short acm_even_cnt; |
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| 349 | unsigned short acm_odd_cnt; |
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| 350 | unsigned short key_table_cnt; |
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| 351 | unsigned short cds_cnt; |
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| 352 | unsigned short mms_cnt; |
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| 353 | unsigned short sns_cnt; |
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| 354 | unsigned short dcm_cnt; |
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| 355 | unsigned short vcm_cnt; |
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| 356 | unsigned short stt_cnt; |
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| 357 | unsigned short ops_cnt; |
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| 358 | unsigned short cfg_cnt; |
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| 359 | unsigned short eas_cnt; |
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| 360 | unsigned short em_cnt; |
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| 361 | unsigned short pat_cnt; |
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| 362 | unsigned short pmt_cnt; |
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| 363 | unsigned short refresh_count; |
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| 364 | unsigned short system_id_errors; |
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| 365 | |
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| 366 | /* STT */ |
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| 367 | PSIP_STT_header stt; |
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| 368 | unsigned int sys_time; /* UTC seconds minus UTC offset in STT */ |
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| 369 | unsigned int sys_UTC_offset; /* UTC offset in STT */ |
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| 370 | unsigned int sys_offset; /* System seconds from gettimeofday when STT came in */ |
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| 371 | bool got_stt; |
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| 372 | |
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| 373 | /* eit */ |
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| 374 | smessage_stream_t eit_msg; |
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| 375 | unsigned char *eit_buf; |
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| 376 | unsigned short eit_cnt; |
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| 377 | bool got_eit; |
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| 378 | unsigned int eit_start_time; |
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| 379 | unsigned int eit_length; |
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| 380 | unsigned int eit_crc; |
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| 381 | |
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| 382 | /* mgt */ |
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| 383 | smessage_stream_t mgt_msg; |
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| 384 | unsigned char *mgt_buf; |
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| 385 | unsigned short mgt_cnt; |
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| 386 | bool got_mgt; |
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| 387 | b_timeval mgt_tv; /* Time we finished processing MGT */ |
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| 388 | chm_mgt_state_t mgt_state; /* state of MGT processing */ |
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| 389 | unsigned int mgt_crc; |
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| 390 | |
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| 391 | /* vct */ |
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| 392 | smessage_stream_t vct_msg; |
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| 393 | unsigned char *vct_buf; |
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| 394 | unsigned short vct_cnt; |
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| 395 | bool got_vct; |
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| 396 | unsigned int vct_crc; |
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| 397 | PSIP_VCT_channel prev_vct; /* in Mexico broacast, some stations even encoding VCT wrong, e.g. duplication of VCT entry */ |
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| 398 | |
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| 399 | /* ett */ |
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| 400 | unsigned char *ett_buf; |
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| 401 | unsigned short ett_cnt; |
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| 402 | bool got_ett; |
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| 403 | |
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| 404 | /* rrt */ |
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| 405 | smessage_stream_t rrt_msg; |
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| 406 | unsigned char *rrt_buf; |
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| 407 | unsigned short rrt_cnt; |
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| 408 | bool got_rrt; |
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| 409 | unsigned int rrt_crc; |
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| 410 | chm_rrt_event_t rrt_evt; |
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| 411 | |
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| 412 | time_source_t local_time_source; /* Identifies method used to obtain local time */ |
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| 413 | int local_offset; /* local time offset from UTC time to obtain standard time */ |
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| 414 | char local_dst_obs; /* local DST observance */ |
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| 415 | unsigned short TSID; /* remember latest TSID */ |
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| 416 | |
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| 417 | unsigned int mgt_size; |
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| 418 | unsigned int mgt_idx; |
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| 419 | |
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| 420 | chm_info_t cur_info; |
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| 421 | chm_info_t *p_info; |
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| 422 | unsigned int max_info_num; |
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| 423 | |
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| 424 | unsigned int rrt_size; |
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| 425 | unsigned int last_rrt; |
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| 426 | |
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| 427 | chm_event_t snr_evt; |
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| 428 | |
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| 429 | b_timeval guide_tv; /* time guide was retrieved */ |
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| 430 | int cur_ch_num; /* current channel number */ |
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| 431 | int cur_epg_ch_num; /* track current channel number for addtional EPG display */ |
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| 432 | int epg_update_ch_num; /* the channel number that the EPG screen will start to update */ |
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| 433 | |
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| 434 | bool not_check_cancel; /* don't check cancel event */ |
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| 435 | bool first_pat_pmt; /* flag indicate if we have make a first check of PAT/PMT */ |
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| 436 | }chm_mgr_t; |
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| 437 | |
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| 438 | extern unsigned int g_xds_time_offset; |
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| 439 | extern bool g_xds_dst; |
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| 440 | |
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| 441 | /* |
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| 442 | Summary: |
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| 443 | Initialization. |
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| 444 | */ |
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| 445 | void chm_init(chm_mgr_t *p_chm, void *p_app); |
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| 446 | |
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| 447 | /* |
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| 448 | Summary: |
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| 449 | Function to pass a command to the channel manager. |
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| 450 | Any results and notification is handled by passing events to the app via |
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| 451 | the msg_queue. |
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| 452 | |
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| 453 | */ |
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| 454 | void chm_cmd(chm_mgr_t *p_chm,chm_cmd_event_t *p_cmd_evt); |
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| 455 | |
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| 456 | |
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| 457 | /* |
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| 458 | Summary: |
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| 459 | Get the current UTC time, local offset and dst flag. |
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| 460 | Returns non-zero when it is not possible to determine local time. |
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| 461 | |
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| 462 | */ |
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| 463 | int chm_get_time_info(chm_mgr_t *p_chm, |
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| 464 | unsigned int *utc_secs, /* Current UTC time in seconds */ |
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| 465 | int *local_offset, /* Local time offset from UTC time in seconds */ |
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| 466 | bool *dst /* Daylight savings flag */ |
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| 467 | ); |
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| 468 | |
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| 469 | /* |
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| 470 | Summary: |
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| 471 | process the MMS string and associated tables. |
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| 472 | Returns non-zero on failure. |
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| 473 | */ |
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| 474 | int chm_process_mss(chm_mgr_t *p_chm, /* Channel manager reference */ |
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| 475 | PSIP_MSS_string p_mms, /* Pointer to MMS */ |
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| 476 | unsigned char* mms_buf, /* string buffer */ |
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| 477 | unsigned int mms_len /* string buffer length */ |
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| 478 | ); |
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| 479 | |
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| 480 | |
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| 481 | /* |
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| 482 | Summary: |
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| 483 | Return the hunt mode progress in percent. |
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| 484 | */ |
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| 485 | int chm_get_hunt_progress(chm_mgr_t *p_chm); |
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| 486 | |
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| 487 | /* get current channel information */ |
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| 488 | void chm_get_cur_ch_info( chm_mgr_t *p_chm, chm_info_t *p_info, bstream_mpeg *p_mpeg); |
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| 489 | |
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| 490 | bool chm_GetScanStatusFinish(void); |
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| 491 | typedef enum chm_msg_filter_t |
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| 492 | { |
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| 493 | eCHM_MSG_FILTER_STT = 0x0001, |
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| 494 | eCHM_MSG_FILTER_RRT = 0x0002, /* downloadable RRT */ |
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| 495 | eCHM_MSG_FILTER_MGT = 0x0004, |
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| 496 | eCHM_MSG_FILTER_EAS = 0x0008 |
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| 497 | } chm_msg_filter_t; |
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| 498 | |
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| 499 | void chm_start_filter_monitoring(chm_mgr_t *p_chm, chm_msg_filter_t which); |
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| 500 | void chm_stop_filter_monitoring(chm_mgr_t *p_chm, chm_msg_filter_t which); |
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| 501 | |
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| 502 | int chm_clear_current(chm_mgr_t *p_chm); |
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| 503 | |
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| 504 | bool chm_has_valid_cc_service(chm_mgr_t *p_chm, bool *wide_aspect_ratio); |
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| 505 | |
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| 506 | #ifdef CONFIG_NXP_TDA182I4 |
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| 507 | void NXP_TDA182I4_SetStandby(); |
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| 508 | #endif |
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| 509 | |
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| 510 | #ifdef TUNER_DEBUG |
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| 511 | int chm_scan_psi_a_freq(chm_mgr_t *p_chm, unsigned int freq); |
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| 512 | #endif |
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| 513 | |
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| 514 | bool chm_check_program_end_time(chm_mgr_t *p_chm); |
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| 515 | |
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| 516 | #endif /* CHAN_MGR_H__ */ |
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