Second version of this driver.

Submitted by:	Mikael Hybsch <micke@dynas.se>

This commit is contained in:

Jordan K. Hubbard

1995-01-29 22:51:41 +00:00

parent 55e658a8a1

commit e9dd2c6798

4 changed files with 1516 additions and 1768 deletions

sys/gnu/i386/isa/scd.c

+667 -654

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										sys/gnu/i386/isa/scdreg.h
									
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				 * Copyright (c) 1995 Mikael Hybsch

				 *

				 * The Linux driver cdu31a has been used as a reference when writing this

				 * code, therefor bringing it under the GNU Public License.  The following

				 * code, therefore bringing it under the GNU Public License.  The following

				 * conditions of redistribution therefore apply:

				 *

				 * This program is free software; you can redistribute it and/or modify

				@@ -19,6 +19,8 @@

				 * along with this program; if not, write to the Free Software

				 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

				 *

				 * $Id$

				 *

				 */

				#ifndef SCD_H

				@@ -35,249 +37,108 @@ typedef unsigned char	bcd_t;

				#define	S_msf(msf)	msf[1]

				#define	F_msf(msf)	msf[2]

				#define	IS_ATTENTION(port)	((inb(port+SCD_STATUS_REG) & SCD_ATTN_BIT) != 0)

				#define	IS_BUSY(port)		((inb(port+SCD_STATUS_REG) & SCD_BUSY_BIT) != 0)

				#define	IS_DATA_RDY(port)	((inb(port+SCD_STATUS_REG) & SCD_DATA_RDY_BIT) != 0)

				#define	STATUS_BIT(port, bit)	((inb(port+SCD_STATUS_REG) & (bit)) != 0)

				#define	FIFOST_BIT(port, bit)	((inb(port+SCD_FIFOST_REG) & (bit)) != 0)

				#define	IS_ATTENTION(port)	((inb(port+IREG_STATUS) & SBIT_ATTENTION) != 0)

				#define	IS_BUSY(port)		((inb(port+IREG_STATUS) & SBIT_BUSY) != 0)

				#define	IS_DATA_RDY(port)	((inb(port+IREG_STATUS) & SBIT_DATA_READY) != 0)

				#define	STATUS_BIT(port, bit)	((inb(port+IREG_STATUS) & (bit)) != 0)

				#define	FSTATUS_BIT(port, bit)	((inb(port+IREG_FSTATUS) & (bit)) != 0)

				#define SCD_CMD_REG     0

				#define SCD_PARAM_REG   1

				#define SCD_WRITE_REG   2

				#define SCD_CONTROL_REG 3

				#       define SCD_ATTN_CLR_BIT        0x01

				#       define SCD_RES_RDY_CLR_BIT     0x02

				#       define SCD_DATA_RDY_CLR_BIT    0x04

				#       define SCD_ATTN_INT_EN_BIT     0x08

				#       define SCD_RES_RDY_INT_EN_BIT  0x10

				#       define SCD_DATA_RDY_INT_EN_BIT 0x20

				#       define SCD_PARAM_CLR_BIT       0x40

				#       define SCD_DRIVE_RESET_BIT     0x80

				#define OREG_COMMAND	0

				#define OREG_WPARAMS	1

				#define OREG_CONTROL	3

				#define CBIT_ATTENTION_CLEAR		0x01

				#define CBIT_RESULT_READY_CLEAR		0x02

				#define CBIT_DATA_READY_CLEAR		0x04

				#define CBIT_RPARAM_CLEAR		0x40

				#define CBIT_RESET_DRIVE		0x80

				#define SCD_STATUS_REG  0

				#       define SCD_ATTN_BIT            0x01

				#       define SCD_RES_RDY_BIT         0x02

				#       define SCD_DATA_RDY_BIT        0x04

				#       define SCD_ATTN_INT_ST_BIT     0x08

				#       define SCD_RES_RDY_INT_ST_BIT  0x10

				#       define SCD_DATA_RDY_INT_ST_BIT 0x20

				#       define SCD_DATA_REQUEST_BIT    0x40

				#       define SCD_BUSY_BIT            0x80

				#define SCD_RESULT_REG  1

				#define SCD_READ_REG    2

				#define SCD_FIFOST_REG  3

				#       define SCD_PARAM_WRITE_RDY_BIT 0x01

				#       define SCD_PARAM_REG_EMPTY_BIT 0x02

				#       define SCD_RES_REG_NOT_EMP_BIT 0x04

				#       define SCD_RES_REG_FULL_BIT    0x08

				#define IREG_STATUS  0

				#define SBIT_ATTENTION		0x01

				#define SBIT_RESULT_READY	0x02

				#define SBIT_DATA_READY		0x04

				#define SBIT_BUSY		0x80

				#define SCD_REQ_DRIVE_CONFIG_CMD       0x00

				#define SCD_REQ_DRIVE_MODE_CMD         0x01

				#define SCD_REQ_DRIVE_PARAM_CMD        0x02

				#define SCD_REQ_MECH_STATUS_CMD        0x03

				#define SCD_REQ_AUDIO_STATUS_CMD       0x04

				#define SCD_SET_DRIVE_PARAM_CMD        0x10

				#define SCD_REQ_TOC_DATA_CMD           0x20

				#define SCD_REQ_SUBCODE_ADDRESS_CMD    0x21

				#define SCD_REQ_UPC_EAN_CMD            0x22

				#define SCD_REQ_ISRC_CMD               0x23

				#define SCD_REQ_TOC_DATA_SPEC_CMD      0x24

				#define IREG_RESULT		1

				#define IREG_DATA		2

				#define IREG_FSTATUS		3

				#define FBIT_WPARAM_READY	0x01

				#define SCD_READ_TOC_CMD               0x30

				#define SCD_SEEK_CMD                   0x31

				#define SCD_READ_CMD                   0x32

				#define SCD_READ_BLKERR_STAT_CMD       0x34

				#define SCD_ABORT_CMD                  0x35

				#define SCD_READ_TOC_SPEC_CMD          0x36

				#define CMD_GET_DRIVE_CONFIG	0x00

				#define CMD_SET_DRIVE_PARAM	0x10

				#define CMD_GET_SUBCHANNEL_DATA	0x21

				#define CMD_GET_TOC		0x24

				#define CMD_READ_TOC		0x30

				#define CMD_READ		0x34

				#define CMD_PLAY_AUDIO		0x40

				#define CMD_STOP_AUDIO		0x41

				#define CMD_EJECT		0x50

				#define CMD_SPIN_UP		0x51

				#define CMD_SPIN_DOWN		0x52

				#define SCD_AUDIO_PLAYBACK_CMD         0x40

				#define SCD_AUDIO_STOP_CMD             0x41

				#define SCD_AUDIO_SCAN_CMD             0x42

				#define ERR_CD_NOT_LOADED	0x20

				#define ERR_NO_CD_INSIDE	0x21

				#define ERR_NOT_SPINNING	0x22

				#define ERR_FATAL_READ_ERROR1	0x53

				#define ERR_FATAL_READ_ERROR2	0x57

				#define SCD_EJECT_CMD                  0x50

				#define SCD_SPIN_UP_CMD                0x51

				#define SCD_SPIN_DOWN_CMD              0x52

				#define SCD_SD_DECODE_PARAM            0x00

				#define SCD_SD_INTERFACE_PARAM         0x01

				#define SCD_SD_BUFFERING_PARAM         0x02

				#define SCD_SD_AUDIO_PARAM             0x03

				#define SCD_SD_AUDIO_VOLUME            0x04

				#define SCD_SD_MECH_CONTROL            0x05

				#define SCD_SD_AUTO_SPIN_DOWN_TIME     0x06

				#define SONY_HWC_GET_LOAD_MECH(c)       (c.hw_config[0] & 0x03)

				#define SONY_HWC_EJECT(c)               (c.hw_config[0] & 0x04)

				#define SONY_HWC_LED_SUPPORT(c)         (c.hw_config[0] & 0x08)

				#define SONY_HWC_DOUBLE_SPEED(c)        (c.hw_config[0] & 0x10)

				#define SONY_HWC_GET_BUF_MEM_SIZE(c)    ((c.hw_config[0] & 0xc0) >> 6)

				#define SONY_HWC_AUDIO_PLAYBACK(c)      (c.hw_config[1] & 0x01)

				#define SONY_HWC_ELECTRIC_VOLUME(c)     (c.hw_config[1] & 0x02)

				#define SONY_HWC_ELECTRIC_VOLUME_CTL(c) (c.hw_config[1] & 0x04)

				#define SONY_HWC_CADDY_LOAD_MECH        0x00

				#define SONY_HWC_TRAY_LOAD_MECH         0x01

				#define SONY_HWC_POPUP_LOAD_MECH        0x02

				#define SONY_HWC_UNKWN_LOAD_MECH        0x03

				#define SONY_HWC_8KB_BUFFER             0x00

				#define SONY_HWC_32KB_BUFFER            0x01

				#define SONY_HWC_64KB_BUFFER            0x02

				#define SONY_HWC_UNKWN_BUFFER           0x03

				/*

				 * The following are errors returned from the drive.

				 */

				#define SONY_ILL_CMD_ERR                0x10

				#define SONY_ILL_PARAM_ERR              0x11

				#define SONY_NOT_LOAD_ERR               0x20

				#define SONY_NO_DISK_ERR                0x21

				#define SONY_NOT_SPIN_ERR               0x22

				#define SONY_SPIN_ERR                   0x23

				#define SONY_SPINDLE_SERVO_ERR          0x25

				#define SONY_FOCUS_SERVO_ERR            0x26

				#define SONY_EJECT_MECH_ERR             0x29

				#define SONY_AUDIO_PLAYING_ERR          0x2a

				#define SONY_EMERGENCY_EJECT_ERR        0x2c

				#define SONY_FOCUS_ERR                  0x30

				#define SONY_FRAME_SYNC_ERR             0x31

				#define SONY_SUBCODE_ADDR_ERR           0x32

				#define SONY_BLOCK_SYNC_ERR             0x33

				#define SONY_HEADER_ADDR_ERR            0x34

				#define SONY_ILL_TRACK_R_ERR            0x40

				#define SONY_MODE_0_R_ERR               0x41

				#define SONY_ILL_MODE_R_ERR             0x42

				#define SONY_ILL_BLOCK_SIZE_R_ERR       0x43

				#define SONY_MODE_R_ERR                 0x44

				#define SONY_FORM_R_ERR                 0x45

				#define SONY_LEAD_OUT_R_ERR             0x46

				#define SONY_BUFFER_OVERRUN_R_ERR       0x47

				#define SONY_UNREC_CIRC_ERR             0x53

				#define SONY_UNREC_LECC_ERR             0x57

				#define SONY_NO_TOC_ERR                 0x60

				#define SONY_SUBCODE_DATA_NVAL_ERR      0x61

				#define SONY_FOCUS_ON_TOC_READ_ERR      0x63

				#define SONY_FRAME_SYNC_ON_TOC_READ_ERR 0x64

				#define SONY_TOC_DATA_ERR               0x65

				#define SONY_HW_FAILURE_ERR             0x70

				#define SONY_LEAD_IN_A_ERR              0x91

				#define SONY_LEAD_OUT_A_ERR             0x92

				#define SONY_DATA_TRACK_A_ERR           0x93

				#define SONY_NO_CIRC_ERR_BLK_STAT       0x50

				#define SONY_NO_LECC_ERR_BLK_STAT       0x54

				#define SONY_RECOV_LECC_ERR_BLK_STAT    0x55

				#define SONY_NO_ERR_DETECTION_STAT      0x59

				#define SONY_EMER_EJECT_ATTN            0x2c

				#define SONY_HW_FAILURE_ATTN            0x70

				#define SONY_MECH_LOADED_ATTN           0x80

				#define SONY_EJECT_PUSHED_ATTN          0x81

				#define SONY_AUDIO_PLAY_DONE_ATTN       0x90

				#define SONY_LEAD_IN_ERR_ATTN           0x91

				#define SONY_LEAD_OUT_ERR_ATTN          0x92

				#define SONY_DATA_TRACK_ERR_ATTN        0x93

				#define SONY_AUDIO_PLAYBACK_ERR_ATTN    0x94

				#define SONY_SPIN_UP_COMPLETE_ATTN      0x24

				#define SONY_SPINDLE_SERVO_ERR_ATTN     0x25

				#define SONY_FOCUS_SERVO_ERR_ATTN       0x26

				#define SONY_TOC_READ_DONE_ATTN         0x62

				#define SONY_FOCUS_ON_TOC_READ_ERR_ATTN 0x63

				#define SONY_SYNC_ON_TOC_READ_ERR_ATTN  0x65

				#define SONY_SPIN_DOWN_COMPLETE_ATTN    0x27

				#define SONY_EJECT_COMPLETE_ATTN        0x28

				#define SONY_EJECT_MECH_ERR_ATTN        0x29

				#define ATTEN_DRIVE_LOADED	0x80

				#define ATTEN_EJECT_PUSHED	0x81

				#define ATTEN_AUDIO_DONE	0x90

				#define ATTEN_SPIN_UP_DONE	0x24

				#define ATTEN_SPIN_DOWN		0x27

				#define ATTEN_EJECT_DONE	0x28

				struct s_sony_drive_config

				{

				   unsigned char exec_status[2];

				   char vendor_id[8];

				   char product_id[16];

				   char product_rev_level[8];

				   unsigned char hw_config[2];

				struct sony_drive_configuration {

					char vendor[8];

					char product[16];

					char revision[8];

					u_short config;

				};

				struct s_sony_subcode

				{

				   unsigned char exec_status[2];

				   unsigned char address        :4;

				   unsigned char control        :4;

				   unsigned char track_num;

				   unsigned char index_num;

				   unsigned char rel_msf[3];

				   unsigned char reserved1;

				   unsigned char abs_msf[3];

				/* Almost same as cd_sub_channel_position_data */

				struct sony_subchannel_position_data {

					u_char	control:4;

					u_char	addr_type:4;

					u_char	track_number;

					u_char	index_number;

					u_char	rel_msf[3];

					u_char	dummy;

					u_char	abs_msf[3];

				};

				struct sony_tracklist {

					u_char :8;

					u_char track;

					u_char start_msf[3];

				};

				#define MAX_TRACKS 100

				struct s_sony_session_toc

				{

				   unsigned char exec_status[2];

				   unsigned char session_number;

				   unsigned char address0       :4;

				   unsigned char control0       :4;

				   unsigned char point0;

				   unsigned char first_track_num;

				   unsigned char disk_type;

				   unsigned char dummy0;

				   unsigned char address1       :4;

				   unsigned char control1       :4;

				   unsigned char point1;

				   unsigned char last_track_num;

				   unsigned char dummy1;

				   unsigned char dummy2;

				   unsigned char address2       :4;

				   unsigned char control2       :4;

				   unsigned char point2;

				   unsigned char lead_out_start_msf[3];

				   unsigned char addressb0      :4;

				   unsigned char controlb0      :4;

				   unsigned char pointb0;

				   unsigned char next_poss_prog_area_msf[3];

				   unsigned char num_mode_5_pointers;

				   unsigned char max_start_outer_leadout_msf[3];

				   unsigned char addressb1      :4;

				   unsigned char controlb1      :4;

				   unsigned char pointb1;

				   unsigned char dummyb0_1[4];

				   unsigned char num_skip_interval_pointers;

				   unsigned char num_skip_track_assignments;

				   unsigned char dummyb0_2;

				   unsigned char addressb2      :4;

				   unsigned char controlb2      :4;

				   unsigned char pointb2;

				   unsigned char tracksb2[7];

				   unsigned char addressb3      :4;

				   unsigned char controlb3      :4;

				   unsigned char pointb3;

				   unsigned char tracksb3[7];

				   unsigned char addressb4      :4;

				   unsigned char controlb4      :4;

				   unsigned char pointb4;

				   unsigned char tracksb4[7];

				   unsigned char addressc0      :4;

				   unsigned char controlc0      :4;

				   unsigned char pointc0;

				   unsigned char dummyc0[7];

				   struct s_sony_tracklist

				   {

				      unsigned char address     :4;

				      unsigned char control     :4;

				      unsigned char track;

				      unsigned char track_start_msf[3];

				   } tracks[MAX_TRACKS];

				struct sony_toc {

					u_char session_number;

					u_char :8;

					u_char :8;

					u_char first_track;

					u_char :8;

					u_char :8;

					u_char :8;

					u_char :8;

					u_char last_track;

					u_char :8;

					u_char :8;

					u_char :8;

					u_char :8;

					u_char lead_out_start_msf[3];

					struct sony_tracklist tracks[MAX_TRACKS];

					/* The rest is just to take space in case all data is returned */

					u_char dummy[6*9];

				};

				#endif /* SCD_H */

sys/gnu/i386/scd.c

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										sys/gnu/i386/scdreg.h
									
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				@@ -2,7 +2,7 @@

				 * Copyright (c) 1995 Mikael Hybsch

				 *

				 * The Linux driver cdu31a has been used as a reference when writing this

				 * code, therefor bringing it under the GNU Public License.  The following

				 * code, therefore bringing it under the GNU Public License.  The following

				 * conditions of redistribution therefore apply:

				 *

				 * This program is free software; you can redistribute it and/or modify

				@@ -19,6 +19,8 @@

				 * along with this program; if not, write to the Free Software

				 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

				 *

				 * $Id$

				 *

				 */

				#ifndef SCD_H

				@@ -35,249 +37,108 @@ typedef unsigned char	bcd_t;

				#define	S_msf(msf)	msf[1]

				#define	F_msf(msf)	msf[2]

				#define	IS_ATTENTION(port)	((inb(port+SCD_STATUS_REG) & SCD_ATTN_BIT) != 0)

				#define	IS_BUSY(port)		((inb(port+SCD_STATUS_REG) & SCD_BUSY_BIT) != 0)

				#define	IS_DATA_RDY(port)	((inb(port+SCD_STATUS_REG) & SCD_DATA_RDY_BIT) != 0)

				#define	STATUS_BIT(port, bit)	((inb(port+SCD_STATUS_REG) & (bit)) != 0)

				#define	FIFOST_BIT(port, bit)	((inb(port+SCD_FIFOST_REG) & (bit)) != 0)

				#define	IS_ATTENTION(port)	((inb(port+IREG_STATUS) & SBIT_ATTENTION) != 0)

				#define	IS_BUSY(port)		((inb(port+IREG_STATUS) & SBIT_BUSY) != 0)

				#define	IS_DATA_RDY(port)	((inb(port+IREG_STATUS) & SBIT_DATA_READY) != 0)

				#define	STATUS_BIT(port, bit)	((inb(port+IREG_STATUS) & (bit)) != 0)

				#define	FSTATUS_BIT(port, bit)	((inb(port+IREG_FSTATUS) & (bit)) != 0)

				#define SCD_CMD_REG     0

				#define SCD_PARAM_REG   1

				#define SCD_WRITE_REG   2

				#define SCD_CONTROL_REG 3

				#       define SCD_ATTN_CLR_BIT        0x01

				#       define SCD_RES_RDY_CLR_BIT     0x02

				#       define SCD_DATA_RDY_CLR_BIT    0x04

				#       define SCD_ATTN_INT_EN_BIT     0x08

				#       define SCD_RES_RDY_INT_EN_BIT  0x10

				#       define SCD_DATA_RDY_INT_EN_BIT 0x20

				#       define SCD_PARAM_CLR_BIT       0x40

				#       define SCD_DRIVE_RESET_BIT     0x80

				#define OREG_COMMAND	0

				#define OREG_WPARAMS	1

				#define OREG_CONTROL	3

				#define CBIT_ATTENTION_CLEAR		0x01

				#define CBIT_RESULT_READY_CLEAR		0x02

				#define CBIT_DATA_READY_CLEAR		0x04

				#define CBIT_RPARAM_CLEAR		0x40

				#define CBIT_RESET_DRIVE		0x80

				#define SCD_STATUS_REG  0

				#       define SCD_ATTN_BIT            0x01

				#       define SCD_RES_RDY_BIT         0x02

				#       define SCD_DATA_RDY_BIT        0x04

				#       define SCD_ATTN_INT_ST_BIT     0x08

				#       define SCD_RES_RDY_INT_ST_BIT  0x10

				#       define SCD_DATA_RDY_INT_ST_BIT 0x20

				#       define SCD_DATA_REQUEST_BIT    0x40

				#       define SCD_BUSY_BIT            0x80

				#define SCD_RESULT_REG  1

				#define SCD_READ_REG    2

				#define SCD_FIFOST_REG  3

				#       define SCD_PARAM_WRITE_RDY_BIT 0x01

				#       define SCD_PARAM_REG_EMPTY_BIT 0x02

				#       define SCD_RES_REG_NOT_EMP_BIT 0x04

				#       define SCD_RES_REG_FULL_BIT    0x08

				#define IREG_STATUS  0

				#define SBIT_ATTENTION		0x01

				#define SBIT_RESULT_READY	0x02

				#define SBIT_DATA_READY		0x04

				#define SBIT_BUSY		0x80

				#define SCD_REQ_DRIVE_CONFIG_CMD       0x00

				#define SCD_REQ_DRIVE_MODE_CMD         0x01

				#define SCD_REQ_DRIVE_PARAM_CMD        0x02

				#define SCD_REQ_MECH_STATUS_CMD        0x03

				#define SCD_REQ_AUDIO_STATUS_CMD       0x04

				#define SCD_SET_DRIVE_PARAM_CMD        0x10

				#define SCD_REQ_TOC_DATA_CMD           0x20

				#define SCD_REQ_SUBCODE_ADDRESS_CMD    0x21

				#define SCD_REQ_UPC_EAN_CMD            0x22

				#define SCD_REQ_ISRC_CMD               0x23

				#define SCD_REQ_TOC_DATA_SPEC_CMD      0x24

				#define IREG_RESULT		1

				#define IREG_DATA		2

				#define IREG_FSTATUS		3

				#define FBIT_WPARAM_READY	0x01

				#define SCD_READ_TOC_CMD               0x30

				#define SCD_SEEK_CMD                   0x31

				#define SCD_READ_CMD                   0x32

				#define SCD_READ_BLKERR_STAT_CMD       0x34

				#define SCD_ABORT_CMD                  0x35

				#define SCD_READ_TOC_SPEC_CMD          0x36

				#define CMD_GET_DRIVE_CONFIG	0x00

				#define CMD_SET_DRIVE_PARAM	0x10

				#define CMD_GET_SUBCHANNEL_DATA	0x21

				#define CMD_GET_TOC		0x24

				#define CMD_READ_TOC		0x30

				#define CMD_READ		0x34

				#define CMD_PLAY_AUDIO		0x40

				#define CMD_STOP_AUDIO		0x41

				#define CMD_EJECT		0x50

				#define CMD_SPIN_UP		0x51

				#define CMD_SPIN_DOWN		0x52

				#define SCD_AUDIO_PLAYBACK_CMD         0x40

				#define SCD_AUDIO_STOP_CMD             0x41

				#define SCD_AUDIO_SCAN_CMD             0x42

				#define ERR_CD_NOT_LOADED	0x20

				#define ERR_NO_CD_INSIDE	0x21

				#define ERR_NOT_SPINNING	0x22

				#define ERR_FATAL_READ_ERROR1	0x53

				#define ERR_FATAL_READ_ERROR2	0x57

				#define SCD_EJECT_CMD                  0x50

				#define SCD_SPIN_UP_CMD                0x51

				#define SCD_SPIN_DOWN_CMD              0x52

				#define SCD_SD_DECODE_PARAM            0x00

				#define SCD_SD_INTERFACE_PARAM         0x01

				#define SCD_SD_BUFFERING_PARAM         0x02

				#define SCD_SD_AUDIO_PARAM             0x03

				#define SCD_SD_AUDIO_VOLUME            0x04

				#define SCD_SD_MECH_CONTROL            0x05

				#define SCD_SD_AUTO_SPIN_DOWN_TIME     0x06

				#define SONY_HWC_GET_LOAD_MECH(c)       (c.hw_config[0] & 0x03)

				#define SONY_HWC_EJECT(c)               (c.hw_config[0] & 0x04)

				#define SONY_HWC_LED_SUPPORT(c)         (c.hw_config[0] & 0x08)

				#define SONY_HWC_DOUBLE_SPEED(c)        (c.hw_config[0] & 0x10)

				#define SONY_HWC_GET_BUF_MEM_SIZE(c)    ((c.hw_config[0] & 0xc0) >> 6)

				#define SONY_HWC_AUDIO_PLAYBACK(c)      (c.hw_config[1] & 0x01)

				#define SONY_HWC_ELECTRIC_VOLUME(c)     (c.hw_config[1] & 0x02)

				#define SONY_HWC_ELECTRIC_VOLUME_CTL(c) (c.hw_config[1] & 0x04)

				#define SONY_HWC_CADDY_LOAD_MECH        0x00

				#define SONY_HWC_TRAY_LOAD_MECH         0x01

				#define SONY_HWC_POPUP_LOAD_MECH        0x02

				#define SONY_HWC_UNKWN_LOAD_MECH        0x03

				#define SONY_HWC_8KB_BUFFER             0x00

				#define SONY_HWC_32KB_BUFFER            0x01

				#define SONY_HWC_64KB_BUFFER            0x02

				#define SONY_HWC_UNKWN_BUFFER           0x03

				/*

				 * The following are errors returned from the drive.

				 */

				#define SONY_ILL_CMD_ERR                0x10

				#define SONY_ILL_PARAM_ERR              0x11

				#define SONY_NOT_LOAD_ERR               0x20

				#define SONY_NO_DISK_ERR                0x21

				#define SONY_NOT_SPIN_ERR               0x22

				#define SONY_SPIN_ERR                   0x23

				#define SONY_SPINDLE_SERVO_ERR          0x25

				#define SONY_FOCUS_SERVO_ERR            0x26

				#define SONY_EJECT_MECH_ERR             0x29

				#define SONY_AUDIO_PLAYING_ERR          0x2a

				#define SONY_EMERGENCY_EJECT_ERR        0x2c

				#define SONY_FOCUS_ERR                  0x30

				#define SONY_FRAME_SYNC_ERR             0x31

				#define SONY_SUBCODE_ADDR_ERR           0x32

				#define SONY_BLOCK_SYNC_ERR             0x33

				#define SONY_HEADER_ADDR_ERR            0x34

				#define SONY_ILL_TRACK_R_ERR            0x40

				#define SONY_MODE_0_R_ERR               0x41

				#define SONY_ILL_MODE_R_ERR             0x42

				#define SONY_ILL_BLOCK_SIZE_R_ERR       0x43

				#define SONY_MODE_R_ERR                 0x44

				#define SONY_FORM_R_ERR                 0x45

				#define SONY_LEAD_OUT_R_ERR             0x46

				#define SONY_BUFFER_OVERRUN_R_ERR       0x47

				#define SONY_UNREC_CIRC_ERR             0x53

				#define SONY_UNREC_LECC_ERR             0x57

				#define SONY_NO_TOC_ERR                 0x60

				#define SONY_SUBCODE_DATA_NVAL_ERR      0x61

				#define SONY_FOCUS_ON_TOC_READ_ERR      0x63

				#define SONY_FRAME_SYNC_ON_TOC_READ_ERR 0x64

				#define SONY_TOC_DATA_ERR               0x65

				#define SONY_HW_FAILURE_ERR             0x70

				#define SONY_LEAD_IN_A_ERR              0x91

				#define SONY_LEAD_OUT_A_ERR             0x92

				#define SONY_DATA_TRACK_A_ERR           0x93

				#define SONY_NO_CIRC_ERR_BLK_STAT       0x50

				#define SONY_NO_LECC_ERR_BLK_STAT       0x54

				#define SONY_RECOV_LECC_ERR_BLK_STAT    0x55

				#define SONY_NO_ERR_DETECTION_STAT      0x59

				#define SONY_EMER_EJECT_ATTN            0x2c

				#define SONY_HW_FAILURE_ATTN            0x70

				#define SONY_MECH_LOADED_ATTN           0x80

				#define SONY_EJECT_PUSHED_ATTN          0x81

				#define SONY_AUDIO_PLAY_DONE_ATTN       0x90

				#define SONY_LEAD_IN_ERR_ATTN           0x91

				#define SONY_LEAD_OUT_ERR_ATTN          0x92

				#define SONY_DATA_TRACK_ERR_ATTN        0x93

				#define SONY_AUDIO_PLAYBACK_ERR_ATTN    0x94

				#define SONY_SPIN_UP_COMPLETE_ATTN      0x24

				#define SONY_SPINDLE_SERVO_ERR_ATTN     0x25

				#define SONY_FOCUS_SERVO_ERR_ATTN       0x26

				#define SONY_TOC_READ_DONE_ATTN         0x62

				#define SONY_FOCUS_ON_TOC_READ_ERR_ATTN 0x63

				#define SONY_SYNC_ON_TOC_READ_ERR_ATTN  0x65

				#define SONY_SPIN_DOWN_COMPLETE_ATTN    0x27

				#define SONY_EJECT_COMPLETE_ATTN        0x28

				#define SONY_EJECT_MECH_ERR_ATTN        0x29

				#define ATTEN_DRIVE_LOADED	0x80

				#define ATTEN_EJECT_PUSHED	0x81

				#define ATTEN_AUDIO_DONE	0x90

				#define ATTEN_SPIN_UP_DONE	0x24

				#define ATTEN_SPIN_DOWN		0x27

				#define ATTEN_EJECT_DONE	0x28

				struct s_sony_drive_config

				{

				   unsigned char exec_status[2];

				   char vendor_id[8];

				   char product_id[16];

				   char product_rev_level[8];

				   unsigned char hw_config[2];

				struct sony_drive_configuration {

					char vendor[8];

					char product[16];

					char revision[8];

					u_short config;

				};

				struct s_sony_subcode

				{

				   unsigned char exec_status[2];

				   unsigned char address        :4;

				   unsigned char control        :4;

				   unsigned char track_num;

				   unsigned char index_num;

				   unsigned char rel_msf[3];

				   unsigned char reserved1;

				   unsigned char abs_msf[3];

				/* Almost same as cd_sub_channel_position_data */

				struct sony_subchannel_position_data {

					u_char	control:4;

					u_char	addr_type:4;

					u_char	track_number;

					u_char	index_number;

					u_char	rel_msf[3];

					u_char	dummy;

					u_char	abs_msf[3];

				};

				struct sony_tracklist {

					u_char :8;

					u_char track;

					u_char start_msf[3];

				};

				#define MAX_TRACKS 100

				struct s_sony_session_toc

				{

				   unsigned char exec_status[2];

				   unsigned char session_number;

				   unsigned char address0       :4;

				   unsigned char control0       :4;

				   unsigned char point0;

				   unsigned char first_track_num;

				   unsigned char disk_type;

				   unsigned char dummy0;

				   unsigned char address1       :4;

				   unsigned char control1       :4;

				   unsigned char point1;

				   unsigned char last_track_num;

				   unsigned char dummy1;

				   unsigned char dummy2;

				   unsigned char address2       :4;

				   unsigned char control2       :4;

				   unsigned char point2;

				   unsigned char lead_out_start_msf[3];

				   unsigned char addressb0      :4;

				   unsigned char controlb0      :4;

				   unsigned char pointb0;

				   unsigned char next_poss_prog_area_msf[3];

				   unsigned char num_mode_5_pointers;

				   unsigned char max_start_outer_leadout_msf[3];

				   unsigned char addressb1      :4;

				   unsigned char controlb1      :4;

				   unsigned char pointb1;

				   unsigned char dummyb0_1[4];

				   unsigned char num_skip_interval_pointers;

				   unsigned char num_skip_track_assignments;

				   unsigned char dummyb0_2;

				   unsigned char addressb2      :4;

				   unsigned char controlb2      :4;

				   unsigned char pointb2;

				   unsigned char tracksb2[7];

				   unsigned char addressb3      :4;

				   unsigned char controlb3      :4;

				   unsigned char pointb3;

				   unsigned char tracksb3[7];

				   unsigned char addressb4      :4;

				   unsigned char controlb4      :4;

				   unsigned char pointb4;

				   unsigned char tracksb4[7];

				   unsigned char addressc0      :4;

				   unsigned char controlc0      :4;

				   unsigned char pointc0;

				   unsigned char dummyc0[7];

				   struct s_sony_tracklist

				   {

				      unsigned char address     :4;

				      unsigned char control     :4;

				      unsigned char track;

				      unsigned char track_start_msf[3];

				   } tracks[MAX_TRACKS];

				struct sony_toc {

					u_char session_number;

					u_char :8;

					u_char :8;

					u_char first_track;

					u_char :8;

					u_char :8;

					u_char :8;

					u_char :8;

					u_char last_track;

					u_char :8;

					u_char :8;

					u_char :8;

					u_char :8;

					u_char lead_out_start_msf[3];

					struct sony_tracklist tracks[MAX_TRACKS];

					/* The rest is just to take space in case all data is returned */

					u_char dummy[6*9];

				};

				#endif /* SCD_H */