drivers/video/rockchip/hdmi/rockchip-hdmi-cec.h

   1 #ifndef __ROCKCHIP_HDMI_CEC_H__
   2 #define __ROCKCHIP_HDMI_CEC_H__
   3 #include "rockchip-hdmi.h"
   4
   5 #include <linux/input.h>
   6
   7 enum {
   8         CEC_LOGADDR_TV          = 0x00,
   9         CEC_LOGADDR_RECDEV1     = 0x01,
  10         CEC_LOGADDR_RECDEV2     = 0x02,
  11         CEC_LOGADDR_TUNER1      = 0x03,     /* STB1 in Spev v1.3 */
  12         CEC_LOGADDR_PLAYBACK1   = 0x04,     /* DVD1 in Spev v1.3 */
  13         CEC_LOGADDR_AUDSYS      = 0x05,
  14         CEC_LOGADDR_TUNER2      = 0x06,     /* STB2 in Spec v1.3 */
  15         CEC_LOGADDR_TUNER3      = 0x07,     /* STB3 in Spec v1.3 */
  16         CEC_LOGADDR_PLAYBACK2   = 0x08,     /* DVD2 in Spec v1.3 */
  17         CEC_LOGADDR_RECDEV3     = 0x09,
  18         CEC_LOGADDR_TUNER4      = 0x0A,     /* RES1 in Spec v1.3 */
  19         CEC_LOGADDR_PLAYBACK3   = 0x0B,     /* RES2 in Spec v1.3 */
  20         CEC_LOGADDR_RES3        = 0x0C,
  21         CEC_LOGADDR_RES4        = 0x0D,
  22         CEC_LOGADDR_FREEUSE     = 0x0E,
  23         CEC_LOGADDR_UNREGORBC   = 0x0F
  24
  25 };
  26
  27 enum {                   /* CEC Messages */
  28         CECOP_FEATURE_ABORT                     = 0x00,
  29         CECOP_IMAGE_VIEW_ON                     = 0x04,
  30         CECOP_TUNER_STEP_INCREMENT              = 0x05,
  31         CECOP_TUNER_STEP_DECREMENT              = 0x06,
  32         CECOP_TUNER_DEVICE_STATUS               = 0x07,
  33         CECOP_GIVE_TUNER_DEVICE_STATUS          = 0x08,
  34         CECOP_RECORD_ON                         = 0x09,
  35         CECOP_RECORD_STATUS                     = 0x0A,
  36         CECOP_RECORD_OFF                        = 0x0B,
  37         CECOP_TEXT_VIEW_ON                      = 0x0D,
  38         CECOP_RECORD_TV_SCREEN                  = 0x0F,
  39         CECOP_GIVE_DECK_STATUS                  = 0x1A,
  40         CECOP_DECK_STATUS                       = 0x1B,
  41         CECOP_SET_MENU_LANGUAGE                 = 0x32,
  42         CECOP_CLEAR_ANALOGUE_TIMER              = 0x33,     /* Spec 1.3A */
  43         CECOP_SET_ANALOGUE_TIMER                = 0x34,     /* Spec 1.3A */
  44         CECOP_TIMER_STATUS                      = 0x35,     /* Spec 1.3A */
  45         CECOP_STANDBY                           = 0x36,
  46         CECOP_PLAY                              = 0x41,
  47         CECOP_DECK_CONTROL                      = 0x42,
  48         CECOP_TIMER_CLEARED_STATUS              = 0x43,     /* Spec 1.3A */
  49         CECOP_USER_CONTROL_PRESSED              = 0x44,
  50         CECOP_USER_CONTROL_RELEASED             = 0x45,
  51         CECOP_GIVE_OSD_NAME                     = 0x46,
  52         CECOP_SET_OSD_NAME                      = 0x47,
  53         CECOP_SET_OSD_STRING                    = 0x64,
  54         CECOP_SET_TIMER_PROGRAM_TITLE           = 0x67, /* Spec 1.3A */
  55         CECOP_SYSTEM_AUDIO_MODE_REQUEST         = 0x70, /* Spec 1.3A */
  56         CECOP_GIVE_AUDIO_STATUS                 = 0x71, /* Spec 1.3A */
  57         CECOP_SET_SYSTEM_AUDIO_MODE             = 0x72, /* Spec 1.3A */
  58         CECOP_REPORT_AUDIO_STATUS               = 0x7A, /* Spec 1.3A */
  59         CECOP_GIVE_SYSTEM_AUDIO_MODE_STATUS     = 0x7D, /* Spec 1.3A */
  60         CECOP_SYSTEM_AUDIO_MODE_STATUS          = 0x7E, /* Spec 1.3A */
  61         CECOP_ROUTING_CHANGE                    = 0x80,
  62         CECOP_ROUTING_INFORMATION               = 0x81,
  63         CECOP_ACTIVE_SOURCE                     = 0x82,
  64         CECOP_GIVE_PHYSICAL_ADDRESS             = 0x83,
  65         CECOP_REPORT_PHYSICAL_ADDRESS           = 0x84,
  66         CECOP_REQUEST_ACTIVE_SOURCE             = 0x85,
  67         CECOP_SET_STREAM_PATH                   = 0x86,
  68         CECOP_DEVICE_VENDOR_ID                  = 0x87,
  69         CECOP_VENDOR_COMMAND                    = 0x89,
  70         CECOP_VENDOR_REMOTE_BUTTON_DOWN         = 0x8A,
  71         CECOP_VENDOR_REMOTE_BUTTON_UP           = 0x8B,
  72         CECOP_GIVE_DEVICE_VENDOR_ID             = 0x8C,
  73         CECOP_MENU_REQUEST                      = 0x8D,
  74         CECOP_MENU_STATUS                       = 0x8E,
  75         CECOP_GIVE_DEVICE_POWER_STATUS          = 0x8F,
  76         CECOP_REPORT_POWER_STATUS               = 0x90,
  77         CECOP_GET_MENU_LANGUAGE                 = 0x91,
  78         CECOP_SELECT_ANALOGUE_SERVICE           = 0x92,     /* Spec 1.3A */
  79         CECOP_SELECT_DIGITAL_SERVICE            = 0x93,
  80         CECOP_SET_DIGITAL_TIMER                 = 0x97,     /* Spec 1.3A */
  81         CECOP_CLEAR_DIGITAL_TIMER               = 0x99,     /* Spec 1.3A */
  82         CECOP_SET_AUDIO_RATE                    = 0x9A,     /* Spec 1.3A */
  83         CECOP_INACTIVE_SOURCE                   = 0x9D,     /* Spec 1.3A */
  84         CECOP_CEC_VERSION                       = 0x9E,     /* Spec 1.3A */
  85         CECOP_GET_CEC_VERSION                   = 0x9F,     /* Spec 1.3A */
  86         CECOP_VENDOR_COMMAND_WITH_ID            = 0xA0,     /* Spec 1.3A */
  87         CECOP_CLEAR_EXTERNAL_TIMER              = 0xA1,     /* Spec 1.3A */
  88         CECOP_SET_EXTERNAL_TIMER                = 0xA2,     /* Spec 1.3A */
  89         CDCOP_HEADER                            = 0xF8,
  90         CECOP_ABORT                             = 0xFF,
  91
  92         CECOP_REPORT_SHORT_AUDIO                = 0xA3,     /* Spec 1.4 */
  93         CECOP_REQUEST_SHORT_AUDIO               = 0xA4,     /* Spec 1.4 */
  94
  95         CECOP_ARC_INITIATE                      = 0xC0,
  96         CECOP_ARC_REPORT_INITIATED              = 0xC1,
  97         CECOP_ARC_REPORT_TERMINATED             = 0xC2,
  98
  99         CECOP_ARC_REQUEST_INITIATION            = 0xC3,
 100         CECOP_ARC_REQUEST_TERMINATION           = 0xC4,
 101         CECOP_ARC_TERMINATE                     = 0xC5,
 102
 103 };
 104
 105 /* Operands for <Feature Abort> Opcode */
 106 enum {
 107         CECAR_UNRECOG_OPCODE            = 0x00,
 108         CECAR_NOT_CORRECT_MODE,
 109         CECAR_CANT_PROVIDE_SOURCE,
 110         CECAR_INVALID_OPERAND,
 111         CECAR_REFUSED
 112 };
 113
 114 /* Operands for <Power Status> Opcode */
 115 enum {
 116         CEC_POWERSTATUS_ON              = 0x00,
 117         CEC_POWERSTATUS_STANDBY         = 0x01,
 118         CEC_POWERSTATUS_STANDBY_TO_ON   = 0x02,
 119         CEC_POWERSTATUS_ON_TO_STANDBY   = 0x03,
 120 };
 121
 122 enum {
 123         EVENT_RX_FRAME,
 124         EVENT_ENUMERATE,
 125 };
 126
 127 #define MAKE_SRCDEST(src, dest)    ((src << 4) | dest)
 128
 129 #define MAX_CMD_SIZE 16
 130
 131 struct cec_framedata {
 132         char srcdestaddr; /* Source in upper nybble, dest in lower nybble */
 133         char opcode;
 134         char args[MAX_CMD_SIZE];
 135         char argcount;
 136         char nextframeargcount;
 137 };
 138
 139 struct cec_delayed_work {
 140         struct delayed_work work;
 141         int event;
 142         void *data;
 143 };
 144
 145 struct cec_device {
 146         struct workqueue_struct *workqueue;
 147         struct hdmi *hdmi;
 148         int address_phy;
 149         int address_logic;
 150         int powerstatus;
 151         char cecval[32];
 152
 153         int (*sendframe)(struct hdmi *, struct cec_framedata *);
 154         int (*readframe)(struct hdmi *, struct cec_framedata *);
 155         void (*setceclogicaddr)(struct hdmi *, int);
 156 };
 157
 158 #ifdef DEBUG
 159 #define CECDBG(format, ...) \
 160                 pr_info(format, ## __VA_ARGS__)
 161 #else
 162 #define CECDBG(format, ...)
 163 #endif
 164
 165 /*====================================
 166 //used for cec key control direction  OK and back
 167 ====================================*/
 168 enum  {
 169         S_CEC_MAKESURE   = 0x0,
 170         S_CEC_UP         = 0x1,
 171         S_CEC_DOWN       = 0x2,
 172         S_CEC_LEFT       = 0x3,
 173         S_CEC_RIGHT      = 0x4,
 174         S_CEC_BACK       = 0x0d,
 175         S_CEC_VENDORBACK = 0x91,
 176 };
 177
 178 int rockchip_hdmi_cec_init(struct hdmi *hdmi,
 179                            int (*sendframe)(struct hdmi *,
 180                                             struct cec_framedata *),
 181                            int (*readframe)(struct hdmi *,
 182                                             struct cec_framedata *),
 183                            void (*setceclogicaddr)(struct hdmi *, int));
 184 void rockchip_hdmi_cec_set_pa(int devpa);
 185 void rockchip_hdmi_cec_submit_work(int event, int delay, void *data);
 186 #endif /* __HDMI_CEC_H__ */