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/*
* 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__ */
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