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Diffstat (limited to 'include/video/hdmi.h')
| -rw-r--r-- | include/video/hdmi.h | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/include/video/hdmi.h b/include/video/hdmi.h new file mode 100644 index 00000000000..55dcd003fcd --- /dev/null +++ b/include/video/hdmi.h @@ -0,0 +1,205 @@ +/* + * Copyright (C) ST-Ericsson AB 2010 + * + * HDMI driver + * + * Author: Per Persson <per.xb.persson@stericsson.com> + * for ST-Ericsson. + * + * License terms: GNU General Public License (GPL), version 2. + */ +#ifndef __HDMI__H__ +#define __HDMI__H__ + +#define HDMI_RESULT_OK 0 +#define HDMI_RESULT_NOT_OK 1 +#define HDMI_AES_NOT_FUSED 2 +#define HDMI_RESULT_CRC_MISMATCH 3 + +#define HDMI_CEC_READ_MAXSIZE 16 +#define HDMI_CEC_WRITE_MAXSIZE 15 +#define HDMI_INFOFRAME_MAX_SIZE 27 +#define HDMI_HDCP_FUSEAES_KEYSIZE 16 +#define HDMI_HDCP_AES_BLOCK_START 128 +#define HDMI_HDCP_KSV_BLOCK 40 +#define HDMI_HDCP_AES_NR_OF_BLOCKS 18 +#define HDMI_HDCP_AES_KEYSIZE 16 +#define HDMI_HDCP_AES_KSVSIZE 5 +#define HDMI_HDCP_AES_KSVZEROESSIZE 3 +#define HDMI_EDID_DATA_SIZE 128 +#define HDMI_CEC_SIZE 15 +#define HDMI_INFOFR_SIZE 27 +#define HDMI_FUSE_KEYSIZE 16 +#define HDMI_AES_KSVSIZE 5 +#define HDMI_AES_KEYSIZE 288 +#define HDMI_CRC32_SIZE 4 +#define HDMI_HDCPAUTHRESP_SIZE 126 + +#define HDMI_STOREASTEXT_TEXT_SIZE 2 +#define HDMI_STOREASTEXT_BIN_SIZE 1 +#define HDMI_PLUGDETEN_TEXT_SIZE 6 +#define HDMI_PLUGDETEN_BIN_SIZE 3 +#define HDMI_EDIDREAD_TEXT_SIZE 4 +#define HDMI_EDIDREAD_BIN_SIZE 2 +#define HDMI_CECEVEN_TEXT_SIZE 2 +#define HDMI_CECEVEN_BIN_SIZE 1 +#define HDMI_CECSEND_TEXT_SIZE_MAX 37 +#define HDMI_CECSEND_TEXT_SIZE_MIN 6 +#define HDMI_CECSEND_BIN_SIZE_MAX 18 +#define HDMI_CECSEND_BIN_SIZE_MIN 3 +#define HDMI_INFOFRSEND_TEXT_SIZE_MIN 8 +#define HDMI_INFOFRSEND_TEXT_SIZE_MAX 63 +#define HDMI_INFOFRSEND_BIN_SIZE_MIN 4 +#define HDMI_INFOFRSEND_BIN_SIZE_MAX 31 +#define HDMI_HDCPEVEN_TEXT_SIZE 2 +#define HDMI_HDCPEVEN_BIN_SIZE 1 +#define HDMI_HDCP_FUSEAES_TEXT_SIZE 34 +#define HDMI_HDCP_FUSEAES_BIN_SIZE 17 +#define HDMI_HDCP_LOADAES_TEXT_SIZE 594 +#define HDMI_HDCP_LOADAES_BIN_SIZE 297 +#define HDMI_HDCPAUTHENCR_TEXT_SIZE 4 +#define HDMI_HDCPAUTHENCR_BIN_SIZE 2 +#define HDMI_EVCLR_TEXT_SIZE 2 +#define HDMI_EVCLR_BIN_SIZE 1 +#define HDMI_AUDIOCFG_TEXT_SIZE 14 +#define HDMI_AUDIOCFG_BIN_SIZE 7 +#define HDMI_POWERONOFF_TEXT_SIZE 2 +#define HDMI_POWERONOFF_BIN_SIZE 1 + +#define HDMI_IOC_MAGIC 0xcc + +/** IOCTL Operations */ +#define IOC_PLUG_DETECT_ENABLE _IOWR(HDMI_IOC_MAGIC, 1, int) +#define IOC_EDID_READ _IOWR(HDMI_IOC_MAGIC, 2, int) +#define IOC_CEC_EVENT_ENABLE _IOWR(HDMI_IOC_MAGIC, 3, int) +#define IOC_CEC_READ _IOWR(HDMI_IOC_MAGIC, 4, int) +#define IOC_CEC_SEND _IOWR(HDMI_IOC_MAGIC, 5, int) +#define IOC_INFOFRAME_SEND _IOWR(HDMI_IOC_MAGIC, 6, int) +#define IOC_HDCP_EVENT_ENABLE _IOWR(HDMI_IOC_MAGIC, 7, int) +#define IOC_HDCP_CHKAESOTP _IOWR(HDMI_IOC_MAGIC, 8, int) +#define IOC_HDCP_FUSEAES _IOWR(HDMI_IOC_MAGIC, 9, int) +#define IOC_HDCP_LOADAES _IOWR(HDMI_IOC_MAGIC, 10, int) +#define IOC_HDCP_AUTHENCR_REQ _IOWR(HDMI_IOC_MAGIC, 11, int) +#define IOC_HDCP_STATE_GET _IOWR(HDMI_IOC_MAGIC, 12, int) +#define IOC_EVENTS_READ _IOWR(HDMI_IOC_MAGIC, 13, int) +#define IOC_EVENTS_CLEAR _IOWR(HDMI_IOC_MAGIC, 14, int) +#define IOC_AUDIO_CFG _IOWR(HDMI_IOC_MAGIC, 15, int) +#define IOC_PLUG_STATUS _IOWR(HDMI_IOC_MAGIC, 16, int) +#define IOC_POWERONOFF _IOWR(HDMI_IOC_MAGIC, 17, int) +#define IOC_EVENT_WAKEUP _IOWR(HDMI_IOC_MAGIC, 18, int) +#define IOC_POWERSTATE _IOWR(HDMI_IOC_MAGIC, 19, int) + + +/* HDMI driver */ +void hdmi_event(enum av8100_hdmi_event); +int hdmi_init(void); +void hdmi_exit(void); + +enum hdmi_event { + HDMI_EVENT_NONE = 0x0, + HDMI_EVENT_HDMI_PLUGIN = 0x1, + HDMI_EVENT_HDMI_PLUGOUT = 0x2, + HDMI_EVENT_CEC = 0x4, + HDMI_EVENT_HDCP = 0x8, + HDMI_EVENT_CECTXERR = 0x10, + HDMI_EVENT_WAKEUP = 0x20, + HDMI_EVENT_CECTX = 0x40, +}; + +enum hdmi_hdcp_auth_type { + HDMI_HDCP_AUTH_OFF = 0, + HDMI_HDCP_AUTH_START = 1, + HDMI_HDCP_AUTH_REV_LIST_REQ = 2, + HDMI_HDCP_AUTH_CONT = 3, +}; + +enum hdmi_hdcp_encr_type { + HDMI_HDCP_ENCR_OESS = 0, + HDMI_HDCP_ENCR_EESS = 1, +}; + +struct plug_detect { + __u8 hdmi_detect_enable; + __u8 on_time; + __u8 hdmi_off_time; +}; + +struct edid_read { + __u8 address; + __u8 block_nr; + __u8 data_length; + __u8 data[HDMI_EDID_DATA_SIZE]; +}; + +struct cec_rw { + __u8 src; + __u8 dest; + __u8 length; + __u8 data[HDMI_CEC_SIZE]; +}; + +struct info_fr { + __u8 type; + __u8 ver; + __u8 crc; + __u8 length; + __u8 data[HDMI_INFOFR_SIZE]; +}; + +struct hdcp_fuseaes { + __u8 key[HDMI_FUSE_KEYSIZE]; + __u8 crc; + __u8 result; +}; + +struct hdcp_loadaesall { + __u8 key[HDMI_AES_KEYSIZE]; + __u8 ksv[HDMI_AES_KSVSIZE]; + __u8 crc32[HDMI_CRC32_SIZE]; + __u8 result; +}; + + +/* hdcp_authencr resp coding + * + * When encr_type is 2 (request revoc list), the response is given by + * resp_size is != 0 and resp containing the folllowing: + * + * __u8[5] Bksv from sink (not belonging to revocation list) + * __u8 Device count + * Additional output if Nrofdevices > 0: + * __u8[5 * Nrofdevices] Bksv per connected equipment + * __u8[20] SHA signature + * + * Device count coding: + * 0 = a simple receiver is connected + * 0x80 = a repeater is connected without downstream equipment + * 0x81 = a repeater is connected with one downstream equipment + * up to 0x94 = (0x80 + 0x14) a repeater is connected with downstream + * equipment (thus up to 20 connected equipments) + * 1 = repeater without sink equipment connected + * >1 = number of connected equipment on the repeater + * Nrofdevices = Device count & 0x7F (max 20) + * + * Max resp_size is 5 + 1 + 5 * 20 + 20 = 126 bytes + * + */ +struct hdcp_authencr { + __u8 auth_type; + __u8 encr_type; + __u8 result; + __u8 resp_size; + __u8 resp[HDMI_HDCPAUTHRESP_SIZE]; +}; + +struct audio_cfg { + __u8 if_format; + __u8 i2s_entries; + __u8 freq; + __u8 word_length; + __u8 format; + __u8 if_mode; + __u8 mute; +}; + +#endif /* __HDMI__H__ */ |