Overhauled and unified CD-ROM emulation;
Four CD-ROM drives are now emulated; ATAPI DMA is now emulated; Unified CD-ROM pass through to host drive handling; Applied all (applicable) mainline PCem commits.
This commit is contained in:
OBattler
68
src/scsi.h
68
src/scsi.h
@@ -12,10 +12,12 @@
|
||||
|
||||
/* SCSI Commands */
|
||||
#define GPCMD_TEST_UNIT_READY 0x00
|
||||
#define GPCMD_REZERO_UNIT 0x01
|
||||
#define GPCMD_REQUEST_SENSE 0x03
|
||||
#define GPCMD_READ_6 0x08
|
||||
#define GPCMD_SEEK_6 0x0b
|
||||
#define GPCMD_INQUIRY 0x12
|
||||
#define GPCMD_VERIFY_6 0x13
|
||||
#define GPCMD_MODE_SELECT_6 0x15
|
||||
#define GPCMD_MODE_SENSE_6 0x1a
|
||||
#define GPCMD_START_STOP_UNIT 0x1b
|
||||
@@ -23,12 +25,14 @@
|
||||
#define GPCMD_READ_CDROM_CAPACITY 0x25
|
||||
#define GPCMD_READ_10 0x28
|
||||
#define GPCMD_SEEK_10 0x2b
|
||||
#define GPCMD_VERIFY_10 0x2f
|
||||
#define GPCMD_READ_SUBCHANNEL 0x42
|
||||
#define GPCMD_READ_TOC_PMA_ATIP 0x43
|
||||
#define GPCMD_READ_HEADER 0x44
|
||||
#define GPCMD_PLAY_AUDIO_10 0x45
|
||||
#define GPCMD_GET_CONFIGURATION 0x46
|
||||
#define GPCMD_PLAY_AUDIO_MSF 0x47
|
||||
#define GPCMD_PLAY_AUDIO_TRACK_INDEX 0x48
|
||||
#define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a
|
||||
#define GPCMD_PAUSE_RESUME 0x4b
|
||||
#define GPCMD_STOP_PLAY_SCAN 0x4e
|
||||
@@ -39,12 +43,18 @@
|
||||
#define GPCMD_PLAY_AUDIO_12 0xa5
|
||||
#define GPCMD_READ_12 0xa8
|
||||
#define GPCMD_READ_DVD_STRUCTURE 0xad /* For reading. */
|
||||
#define GPCMD_VERIFY_12 0xaf
|
||||
#define GPCMD_PLAY_CD_OLD 0xb4
|
||||
#define GPCMD_READ_CD_OLD 0xb8
|
||||
#define GPCMD_READ_CD_MSF 0xb9
|
||||
#define GPCMD_SCAN 0xba
|
||||
#define GPCMD_SET_SPEED 0xbb
|
||||
#define GPCMD_PLAY_CD 0xbc
|
||||
#define GPCMD_MECHANISM_STATUS 0xbd
|
||||
#define GPCMD_READ_CD 0xbe
|
||||
#define GPCMD_SEND_DVD_STRUCTURE 0xbf /* This is for writing only, irrelevant to PCem. */
|
||||
#define GPCMD_SCAN_ALT 0xcd /* Should be equivalent to 0xba */
|
||||
#define GPCMD_SET_SPEED_ALT 0xda /* Should be equivalent to 0xbb */
|
||||
|
||||
/* Mode page codes for mode sense/set */
|
||||
#define GPMODE_R_W_ERROR_PAGE 0x01
|
||||
@@ -66,7 +76,9 @@
|
||||
/* SCSI Additional Sense Codes */
|
||||
#define ASC_AUDIO_PLAY_OPERATION 0x00
|
||||
#define ASC_ILLEGAL_OPCODE 0x20
|
||||
#define ASC_LBA_OUT_OF_RANGE 0x21
|
||||
#define ASC_INV_FIELD_IN_CMD_PACKET 0x24
|
||||
#define ASC_INV_FIELD_IN_PARAMETER_LIST 0x26
|
||||
#define ASC_MEDIUM_MAY_HAVE_CHANGED 0x28
|
||||
#define ASC_INCOMPATIBLE_FORMAT 0x30
|
||||
#define ASC_MEDIUM_NOT_PRESENT 0x3a
|
||||
@@ -79,7 +91,7 @@
|
||||
|
||||
/* Tell RISC OS that we have a 4x CD-ROM drive (600kb/sec data, 706kb/sec raw).
|
||||
Not that it means anything */
|
||||
#define CDROM_SPEED 706
|
||||
#define CDROM_SPEED 706 /* 0x2C2 */
|
||||
|
||||
/* Some generally useful CD-ROM information */
|
||||
#define CD_MINS 75 /* max. minutes per CD */
|
||||
@@ -144,14 +156,15 @@
|
||||
#define MMC_PROFILE_HDDVD_RW_DL 0x005A
|
||||
#define MMC_PROFILE_INVALID 0xFFFF
|
||||
|
||||
#define SCSI_ONLY 32
|
||||
#define ATAPI_ONLY 16
|
||||
#define IMPLEMENTED 8
|
||||
#define NONDATA 4
|
||||
#define CHECK_READY 2
|
||||
#define ALLOW_UA 1
|
||||
|
||||
extern uint8_t SCSICommandTable[0x100];
|
||||
|
||||
#define IMPLEMENTED 1
|
||||
|
||||
extern uint8_t mode_sense_pages[0x40];
|
||||
|
||||
extern int readcdmode;
|
||||
@@ -197,47 +210,6 @@ extern int prev_status;
|
||||
|
||||
#define MSFtoLBA(m,s,f) ((((m*60)+s)*75)+f)
|
||||
|
||||
typedef struct __attribute__((packed))
|
||||
{
|
||||
uint8_t user_data[2048];
|
||||
uint8_t ecc[288];
|
||||
} m1_data_t;
|
||||
|
||||
typedef struct __attribute__((packed))
|
||||
{
|
||||
uint8_t sub_header[8];
|
||||
uint8_t user_data[2328];
|
||||
} m2_data_t;
|
||||
|
||||
typedef union __attribute__((packed))
|
||||
{
|
||||
m1_data_t m1_data;
|
||||
m2_data_t m2_data;
|
||||
uint8_t raw_data[2352];
|
||||
} sector_data_t;
|
||||
|
||||
typedef struct __attribute__((packed))
|
||||
{
|
||||
uint8_t sync[12];
|
||||
uint8_t header[4];
|
||||
sector_data_t data;
|
||||
uint8_t c2[296];
|
||||
uint8_t subchannel_raw[96];
|
||||
uint8_t subchannel_q[16];
|
||||
uint8_t subchannel_rw[96];
|
||||
} cdrom_sector_t;
|
||||
|
||||
typedef union __attribute__((packed))
|
||||
{
|
||||
cdrom_sector_t cdrom_sector;
|
||||
uint8_t buffer[2856];
|
||||
} sector_buffer_t;
|
||||
|
||||
extern sector_buffer_t cdrom_sector_buffer;
|
||||
|
||||
extern int cdrom_sector_type, cdrom_sector_flags;
|
||||
extern int cdrom_sector_size, cdrom_sector_ismsf;
|
||||
|
||||
#define SCSI_PHASE_DATAOUT ( 0 )
|
||||
#define SCSI_PHASE_DATAIN ( 1 )
|
||||
#define SCSI_PHASE_COMMAND ( 2 )
|
||||
@@ -250,7 +222,7 @@ extern int cdrom_sector_size, cdrom_sector_ismsf;
|
||||
struct
|
||||
{
|
||||
uint32_t pos;
|
||||
uint8_t CmdBuffer[512*512];
|
||||
uint8_t CmdBuffer[390144];
|
||||
uint32_t CmdBufferLength;
|
||||
int LunType;
|
||||
uint32_t InitLength;
|
||||
@@ -266,6 +238,10 @@ void SCSICDROM_Insert();
|
||||
|
||||
int cdrom_add_error_and_subchannel(uint8_t *b, int real_sector_type);
|
||||
int cdrom_LBAtoMSF_accurate();
|
||||
int cdrom_read_data(uint8_t *buffer);
|
||||
// int cdrom_read_data(uint8_t *buffer);
|
||||
|
||||
int mode_select_init(uint8_t command, uint16_t pl_length, uint8_t do_save);
|
||||
int mode_select_terminate(int force);
|
||||
int mode_select_write(uint8_t val);
|
||||
|
||||
#endif
|
||||
Reference in New Issue
Block a user