drivers/video/rockchip/hdmi/chips/rk3036/rk3036_hdmi_cec.h

   1 #ifndef __RK3036_CEC_H__
   2 #define __RK3036_CEC_H__
   3
   4 typedef enum
   5 {
   6         CEC_LOGADDR_TV          = 0x00,
   7         CEC_LOGADDR_RECDEV1     = 0x01,
   8         CEC_LOGADDR_RECDEV2     = 0x02,
   9         CEC_LOGADDR_TUNER1      = 0x03,     /* STB1 in Spev v1.3*/
  10         CEC_LOGADDR_PLAYBACK1   = 0x04,     /* DVD1 in Spev v1.3*/
  11         CEC_LOGADDR_AUDSYS      = 0x05,
  12         CEC_LOGADDR_TUNER2      = 0x06,     /* STB2 in Spec v1.3*/
  13         CEC_LOGADDR_TUNER3      = 0x07,     /* STB3 in Spec v1.3*/
  14         CEC_LOGADDR_PLAYBACK2   = 0x08,     /* DVD2 in Spec v1.3*/
  15         CEC_LOGADDR_RECDEV3     = 0x09,
  16         CEC_LOGADDR_TUNER4      = 0x0A,     /* RES1 in Spec v1.3*/
  17         CEC_LOGADDR_PLAYBACK3   = 0x0B,     /* RES2 in Spec v1.3*/
  18         CEC_LOGADDR_RES3        = 0x0C,
  19         CEC_LOGADDR_RES4        = 0x0D,
  20         CEC_LOGADDR_FREEUSE     = 0x0E,
  21         CEC_LOGADDR_UNREGORBC   = 0x0F
  22 } cec_log_addr_t;
  23
  24 typedef enum                    /* CEC Messages*/
  25 {
  26         CECOP_FEATURE_ABORT             = 0x00,
  27         CECOP_IMAGE_VIEW_ON             = 0x04,
  28         CECOP_TUNER_STEP_INCREMENT      = 0x05,     /* N/A*/
  29         CECOP_TUNER_STEP_DECREMENT      = 0x06,     /* N/A*/
  30         CECOP_TUNER_DEVICE_STATUS       = 0x07,     /* N/A*/
  31         CECOP_GIVE_TUNER_DEVICE_STATUS  = 0x08,     /* N/A*/
  32         CECOP_RECORD_ON                 = 0x09,     /* N/A*/
  33         CECOP_RECORD_STATUS             = 0x0A,     /* N/A*/
  34         CECOP_RECORD_OFF                = 0x0B,     /* N/A*/
  35         CECOP_TEXT_VIEW_ON              = 0x0D,
  36         CECOP_RECORD_TV_SCREEN          = 0x0F,     /* N/A*/
  37         CECOP_GIVE_DECK_STATUS          = 0x1A,
  38         CECOP_DECK_STATUS               = 0x1B,
  39         CECOP_SET_MENU_LANGUAGE         = 0x32,
  40         CECOP_CLEAR_ANALOGUE_TIMER      = 0x33,     /* Spec 1.3A*/
  41         CECOP_SET_ANALOGUE_TIMER        = 0x34,     /* Spec 1.3A*/
  42         CECOP_TIMER_STATUS              = 0x35,     /* Spec 1.3A*/
  43         CECOP_STANDBY                   = 0x36,
  44         CECOP_PLAY                      = 0x41,
  45         CECOP_DECK_CONTROL              = 0x42,
  46         CECOP_TIMER_CLEARED_STATUS      = 0x43,     /* Spec 1.3A*/
  47         CECOP_USER_CONTROL_PRESSED      = 0x44,
  48         CECOP_USER_CONTROL_RELEASED     = 0x45,
  49         CECOP_GIVE_OSD_NAME             = 0x46,
  50         CECOP_SET_OSD_NAME              = 0x47,
  51         CECOP_SET_OSD_STRING            = 0x64,
  52         CECOP_SET_TIMER_PROGRAM_TITLE   = 0x67,     /* Spec 1.3A*/
  53         CECOP_SYSTEM_AUDIO_MODE_REQUEST = 0x70,     /* Spec 1.3A*/
  54         CECOP_GIVE_AUDIO_STATUS         = 0x71,     /* Spec 1.3A*/
  55         CECOP_SET_SYSTEM_AUDIO_MODE     = 0x72,     /* Spec 1.3A*/
  56         CECOP_REPORT_AUDIO_STATUS       = 0x7A,     /* Spec 1.3A*/
  57         CECOP_GIVE_SYSTEM_AUDIO_MODE_STATUS = 0x7D, /* Spec 1.3A*/
  58         CECOP_SYSTEM_AUDIO_MODE_STATUS  = 0x7E,     /* Spec 1.3A*/
  59         CECOP_ROUTING_CHANGE            = 0x80,
  60         CECOP_ROUTING_INFORMATION       = 0x81,
  61         CECOP_ACTIVE_SOURCE             = 0x82,
  62         CECOP_GIVE_PHYSICAL_ADDRESS     = 0x83,
  63         CECOP_REPORT_PHYSICAL_ADDRESS   = 0x84,
  64         CECOP_REQUEST_ACTIVE_SOURCE     = 0x85,
  65         CECOP_SET_STREAM_PATH           = 0x86,
  66         CECOP_DEVICE_VENDOR_ID          = 0x87,
  67         CECOP_VENDOR_COMMAND            = 0x89,
  68         CECOP_VENDOR_REMOTE_BUTTON_DOWN = 0x8A,
  69         CECOP_VENDOR_REMOTE_BUTTON_UP   = 0x8B,
  70         CECOP_GIVE_DEVICE_VENDOR_ID     = 0x8C,
  71         CECOP_MENU_REQUEST              = 0x8D,
  72         CECOP_MENU_STATUS               = 0x8E,
  73         CECOP_GIVE_DEVICE_POWER_STATUS  = 0x8F,
  74         CECOP_REPORT_POWER_STATUS       = 0x90,
  75         CECOP_GET_MENU_LANGUAGE         = 0x91,
  76         CECOP_SELECT_ANALOGUE_SERVICE   = 0x92,     /* Spec 1.3A    N/A*/
  77         CECOP_SELECT_DIGITAL_SERVICE    = 0x93,     /*              N/A*/
  78         CECOP_SET_DIGITAL_TIMER         = 0x97,     /* Spec 1.3A*/
  79         CECOP_CLEAR_DIGITAL_TIMER       = 0x99,     /* Spec 1.3A*/
  80         CECOP_SET_AUDIO_RATE            = 0x9A,     /* Spec 1.3A*/
  81         CECOP_INACTIVE_SOURCE           = 0x9D,     /* Spec 1.3A*/
  82         CECOP_CEC_VERSION               = 0x9E,     /* Spec 1.3A*/
  83         CECOP_GET_CEC_VERSION           = 0x9F,     /* Spec 1.3A*/
  84         CECOP_VENDOR_COMMAND_WITH_ID    = 0xA0,     /* Spec 1.3A*/
  85         CECOP_CLEAR_EXTERNAL_TIMER      = 0xA1,     /* Spec 1.3A*/
  86         CECOP_SET_EXTERNAL_TIMER        = 0xA2,     /* Spec 1.3A*/
  87         CDCOP_HEADER                    = 0xF8,
  88         CECOP_ABORT                     = 0xFF,
  89
  90         CECOP_REPORT_SHORT_AUDIO        = 0xA3,     /* Spec 1.4*/
  91         CECOP_REQUEST_SHORT_AUDIO       = 0xA4,     /* Spec 1.4*/
  92
  93         CECOP_ARC_INITIATE              = 0xC0,
  94         CECOP_ARC_REPORT_INITIATED      = 0xC1,
  95         CECOP_ARC_REPORT_TERMINATED     = 0xC2,
  96
  97         CECOP_ARC_REQUEST_INITIATION    = 0xC3,
  98         CECOP_ARC_REQUEST_TERMINATION   = 0xC4,
  99         CECOP_ARC_TERMINATE             = 0xC5,
 100 } cec_opcode_t;
 101
 102 typedef enum                        /* Operands for <Feature Abort> Opcode*/
 103 {
 104         CECAR_UNRECOG_OPCODE            = 0x00,
 105         CECAR_NOT_CORRECT_MODE,
 106         CECAR_CANT_PROVIDE_SOURCE,
 107         CECAR_INVALID_OPERAND,
 108         CECAR_REFUSED
 109 } cec_abor_reason_t;
 110
 111 enum                        /* Operands for <Power Status> Opcode*/
 112 {
 113         CEC_POWERSTATUS_ON              = 0x00,
 114         CEC_POWERSTATUS_STANDBY         = 0x01,
 115         CEC_POWERSTATUS_STANDBY_TO_ON   = 0x02,
 116         CEC_POWERSTATUS_ON_TO_STANDBY   = 0x03,
 117 };
 118
 119 enum {
 120         EVENT_RX_FRAME,
 121         EVENT_ENUMERATE,
 122 };
 123
 124 #define MAKE_SRCDEST( src, dest)    (( src << 4) | dest )
 125
 126 #define MAX_CMD_SIZE 16
 127
 128 typedef struct
 129 {
 130         char srcdestaddr;            /*Source in upper nybble, dest in lower nybble*/
 131         char opcode;
 132         char args[ MAX_CMD_SIZE ];
 133         char argcount;
 134         char nextframeargcount;
 135 } cec_framedata_t;
 136
 137 struct cec_delayed_work {
 138         struct delayed_work work;
 139         int event;
 140         void *data;
 141 };
 142
 143 typedef struct
 144 {
 145         struct workqueue_struct *workqueue;
 146         wait_queue_head_t wait;
 147         int busfree;
 148         int tx_done;
 149         int address_phy;
 150         int address_logic;
 151         int powerstatus;
 152 } cec_t;
 153
 154 //#define DEBUG
 155 #ifdef DEBUG
 156 #define CECDBG(format, ...) \
 157                 printk(KERN_INFO format, ## __VA_ARGS__)
 158 #else
 159 #define CECDBG(format, ...)
 160 #endif
 161 #endif