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/*
********************************************************************************************************************
* usb host driver
*
* (c) Copyright 2007-2010, javen.China
* All Rights Reserved
*
* File Name : CD.h
*
* Author : javen
*
* Version : 2.0
*
* Date : 2010.03.02
*
* Description :
*
* History :
*
********************************************************************************************************************
*/
#ifndef __CD_H__
#define __CD_H__
/* CD-ROM address types */
#define CDROM_LBA 0x01 /* data-related. "logical block": first frame is #0 */
#define CDROM_MSF 0x02 /* audio-related. "minute-second-frame": binary, not bcd here! */
/* Some generally useful CD-ROM information -- mostly based on the above */
#define CD_MINS 74 /* max. minutes per CD, not really a limit */
#define CD_SECS 60 /* seconds per minute */
#define CD_FRAMES 75 /* frames per second */
#define CD_SYNC_SIZE 12 /* 12 sync bytes per raw data frame */
#define CD_MSF_OFFSET 150 /* MSF numbering offset of first frame */
#define CD_CHUNK_SIZE 24 /* lowest-level "data bytes piece" */
#define CD_NUM_OF_CHUNKS 98 /* chunks per frame */
#define CD_FRAMESIZE_SUB 96 /* subchannel data "frame" size */
#define CD_HEAD_SIZE 4 /* header (address) bytes per raw data frame */
#define CD_SUBHEAD_SIZE 8 /* subheader bytes per raw XA data frame */
#define CD_EDC_SIZE 4 /* bytes EDC per most raw data frame types */
#define CD_ZERO_SIZE 8 /* bytes zero per yellow book mode 1 frame */
#define CD_ECC_SIZE 276 /* bytes ECC per most raw data frame types */
#define CD_FRAMESIZE 2048 /* bytes per frame, "cooked" mode */
#define CD_FRAMESIZE_RAW 2352 /* bytes per frame, "raw" mode */
#define CD_FRAMESIZE_RAWER 2646 /* The maximum possible returned bytes */
/* most drives don't deliver everything: */
#define CD_FRAMESIZE_RAW1 (CD_FRAMESIZE_RAW - CD_SYNC_SIZE) /*2340*/
#define CD_FRAMESIZE_RAW0 (CD_FRAMESIZE_RAW - CD_SYNC_SIZE - CD_HEAD_SIZE) /*2336*/
#define CD_XA_HEAD (CD_HEAD_SIZE + CD_SUBHEAD_SIZE) /* "before data" part of raw XA frame */
#define CD_XA_TAIL (CD_EDC_SIZE + CD_ECC_SIZE) /* "after data" part of raw XA frame */
#define CD_XA_SYNC_HEAD (CD_SYNC_SIZE + CD_XA_HEAD) /* sync bytes + header of XA frame */
/* capability flags used with the uniform CD-ROM driver */
#define CDROM_CLOSE_TRAY 0x1 /* caddy systems _can't_ close */
#define CDROM_OPEN_TRAY 0x2 /* but _can_ eject. */
#define CDROM_LOCK 0x4 /* disable manual eject */
#define CDROM_SELECT_SPEED 0x8 /* programmable speed */
#define CDROM_SELECT_DISC 0x10 /* select disc from juke-box */
#define CDROM_MULTI_SESSION 0x20 /* read sessions>1 */
#define CDROM_MCN 0x40 /* Medium Catalog Number */
#define CDROM_MEDIA_CHANGED 0x80 /* media changed */
#define CDROM_PLAY_AUDIO 0x100 /* audio functions */
#define CDROM_RESET 0x200 /* hard reset device */
#define CDROM_DRIVE_STATUS 0x800 /* drive implements drive status */
#define CDROM_GENERIC_PACKET 0x1000 /* drive implements generic packets */
#define CDROM_CD_R 0x2000 /* drive is a CD-R */
#define CDROM_CD_RW 0x4000 /* drive is a CD-RW */
#define CDROM_DVD 0x8000 /* drive is a DVD */
#define CDROM_DVD_R 0x10000 /* drive can write DVD-R */
#define CDROM_DVD_RAM 0x20000 /* drive can write DVD-RAM */
#define CDROM_MO_DRIVE 0x40000 /* drive is an MO device */
#define CDROM_MRW 0x80000 /* drive can read MRW */
#define CDROM_MRW_W 0x100000 /* drive can write MRW */
#define CDROM_RAM 0x200000 /* ok to open for WRITE */
/* bit to tell whether track is data or audio (cdrom_tocentry.cdte_ctrl) */
#define CDROM_DATA_TRACK 0x04
/* The leadout track is always 0xAA, regardless of # of tracks on disc */
#define CDROM_LEADOUT 0xAA
/* frame address */
typedef struct _MSF_LBA
{
CDROM_MSF_ADDR_t msf;
unsigned int lba;
} __attribute__((packed)) MSF_LBA_t;
/* 某个 track 的 Toc entry */
typedef struct _CDROM_TocEntry
{
unsigned int TrackNumber; /* Toc 所属的 track */
unsigned int Format; /* CD-ROM address types */
unsigned int Adr : 4; /* The type of information encode in the Q sub-channel of this blocks */
unsigned int Ctrl : 4; /* attributes of the track */
MSF_LBA_t Address; /* Toc entry address */
unsigned int DataMode; /* is a data track? */
} CDROM_TocEntry_t;
typedef struct _CD_Rom
{
/* 光驱的信息 */
unsigned int DriveType; /* 光驱的型号 */
unsigned int MaxSpeed; /* 光驱最大的速度 */
unsigned int CurrentSpeed; /* 光驱当前的速度 */
unsigned int Readcd_cdda; /* reading audio data using READ_CD */
unsigned int WriteAble; /* 光驱是否支持写操作 */
CDROM_Capitilities_t Capitilities; /* 光驱的驱动能力 */
unsigned int Eject; /* 是否支持光驱退出 */
unsigned int PowerStatus; /* 光驱电源状态. Active, Idle, Standby ? */
/* 光碟信息 */
unsigned int DiscType; /* 光碟的型号 */
unsigned int DoubleDisc; /* 是否是双面光碟? */
unsigned int LastWriteSector; /* 但前已经写的最后一个扇区 */
unsigned int MultiSession; /* 多区段 */
unsigned int NumberOfSUinitPerMUnit; /* MSF中每M保护的s个数 */
unsigned int NumberOfFUinitPerSUnit; /* MSF中每S保护的F个数 */
unsigned int InactivityTimeMultiPlier; /* */
/* 光驱管理 */
unsigned int DriveStatus; /* 光驱状态 */
unsigned int IsMeduimPrevent; /* 是否设置禁止介质移动 */
} CD_Rom_t;
/*
*******************************************************************************
* lba_to_msf
*
* Description:
* LBA转换为msf
*
* Parameters:
* lba : input.
* m : input.
* s : input.
* f : input.
*
* Return value:
* 无
*
* note:
* 无
*
*******************************************************************************
*/
static inline void lba_to_msf(int lba, u8 *m, u8 *s, u8 *f)
{
lba += CD_MSF_OFFSET;
lba &= 0xffffff; /* negative lbas use only 24 bits */
*m = lba / (CD_SECS * CD_FRAMES);
lba %= (CD_SECS * CD_FRAMES);
*s = lba / CD_FRAMES;
*f = lba % CD_FRAMES;
}
/*
*******************************************************************************
* msf_to_lba
*
* Description:
* msf转换为LBA
*
* Parameters:
* m : input.
* s : input.
* f : input.
*
* Return value:
*
* note:
* 无
*
*******************************************************************************
*/
static inline int msf_to_lba(u8 m, u8 s, u8 f)
{
return (((m * CD_SECS) + s) * CD_FRAMES + f) - CD_MSF_OFFSET;
}
int CDIOCtrl(__UsbBlkDev_t *BlkDev, unsigned int Cmd, int Aux, void *pBuffer);
#endif //__CD_H__
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