Initial support ATAPI CD-ROMs.

Based on Manuel Bouyer's drivers.

1 files changed, 250 insertions, 0 deletions

diff --git a/sys/dev/atapi/atapi.h b/sys/dev/atapi/atapi.h
new file mode 100644
index 00000000000..20ec1948981
--- /dev/null
+++ b/sys/dev/atapi/atapi.h
@@ -0,0 +1,250 @@
+/*	$NetBSD: $	*/
+
+/*
+ * Copyright (c) 1996 Manuel Bouyer.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *  This product includes software developed by Manuel Bouyer.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * Definition of atapi commands and associated data structures
+ */
+
+/* 
+ * TEST UNIT READY (mandatory)
+ */
+#define ATAPI_TEST_UNIT_READY		0x00
+
+struct test_unit_ready {
+	u_int8_t	operation_code;
+	u_int8_t	reserved1[15];
+};
+
+/* 
+ * START/STOP UNIT (mandatory)
+ */ 
+#define ATAPI_START_STOP_UNIT		0x1b
+ 
+struct start_stop_unit {
+	u_int8_t	operation_code;
+	u_int8_t	flags;
+#define START_STOP_IMMED	0x01
+	u_int8_t	reserved2[2]; 
+	u_int8_t	how;
+#define SSS_STOP	0x00 
+#define SSS_START	0x01
+#define SSS_LOEJ	0x02
+	u_int8_t	reserved4[11];
+};
+
+/* 
+ * PREVENT/ALLOW MEDIUM REMOVAL (mandatory)
+ */ 
+#define ATAPI_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e
+ 
+struct prevent_allow_medium_removal {
+	u_int8_t	operation_code;
+	u_int8_t	reserved1[3];
+	u_int8_t	how;	
+#define PR_PREVENT	0x01
+#define PR_ALLOW	0x00
+	u_int8_t	reserved3[11];
+};
+
+
+/* 
+ * READ CD CAPACITY (mandatory)
+ */
+#define ATAPI_READ_CD_CAPACITY		0x25
+
+struct read_cd_capacity {
+	u_int8_t	operation_code;
+	u_int8_t	reserved1[7];
+	u_int8_t	len;
+	u_int8_t	reserved2[7];
+};
+
+/* 
+ * Volume size info.
+ */
+struct read_cd_capacity_data {
+	u_long	size;		/* Volume size in blocks */
+	u_long	blksize;	/* Block size in bytes */
+};
+
+/*
+ * READ (10) (mandatory)
+ */  
+#define ATAPI_READ			0x28  
+
+struct read {    
+	u_int8_t	operation_code;
+	u_int8_t	reserved1;
+	u_int8_t	lba[4];
+	u_int8_t	reserved2;
+	u_int8_t	length[2];
+	u_int8_t	reserved3[7];
+}; 
+
+/* 
+ * PAUSE/RESUME (optional) 
+ */ 
+#define ATAPI_PAUSE_RESUME		0x4b
+ 
+struct pause_resume {
+	u_int8_t	operation_code;
+	u_int8_t	reserved1[7];
+	u_int8_t	resume;
+#define PA_PAUSE	0x00
+#define PA_RESUME	0x01
+	u_int8_t	reserved3[7];
+};
+
+/*
+ * MODE SENSE (mandatory)
+ */
+#define ATAPI_MODE_SENSE        0x5a
+
+struct mode_sense {
+	u_int8_t	operation_code;
+	u_int8_t	reserved1;
+	u_int8_t	page_code_control;
+#define PAGE_CODE_MASK		0x3f
+#define PAGE_CONTROL_MASK	0xc0
+	u_int8_t	reserved2[4];
+	u_int8_t	length[2];
+	u_int8_t	reserved3[7];
+};
+
+struct cappage {
+	/* Mode data header */
+	u_int8_t	data_length[2];
+	u_int8_t	medium_type;
+#define MDT_UNKNOWN	0x00        
+#define MDT_DATA_120	0x01
+#define MDT_AUDIO_120	0x02
+#define MDT_COMB_120	0x03    
+#define MDT_PHOTO_120	0x04    
+#define MDT_DATA_80	0x05
+#define MDT_AUDIO_80	0x06
+#define MDT_COMB_80	0x07 
+#define MDT_PHOTO_80	0x08
+#define MDT_NO_DISC	0x70
+#define MDT_DOOR_OPEN	0x71
+#define MDT_FMT_ERROR	0x72
+	u_int8_t	reserved1[5];
+
+	/* Capabilities page */
+	u_int8_t	page_code;
+#define CAP_PAGE	0x2a
+	u_int8_t param_len;
+	u_int8_t reserved2[2];
+
+	u_int8_t	format_cap;
+#define FORMAT_AUDIO_PLAY	0x01	/* audio play supported */
+#define FORMAT_COMPOSITE	0x02	/* composite audio/video supported */
+#define FORMAT_DPORT1		0x04	/* digital audio on port 1 */
+#define FORMAT_DPORT2		0x08	/* digital audio on port 2 */
+#define FORMAT_MODE2_FORM1	0x10	/* mode 2 form 1 (XA) read */
+#define FORMAT_MODE2_FORM2	0x20	/* mode 2 form 2 format */
+#define FORMAT_MULTISESSION	0x40	/* multi-session photo-CD */
+
+	u_int8_t	ops_cap;
+#define OPS_CDDA		0x01	/* audio-CD read supported */
+#define OPS_CDDA_STREAM		0x02	/* CDDA streaming */
+#define OPS_RW			0x04	/* combined R-W subchannels */
+#define OPS_RW_CORR		0x08	/* R-W subchannel data corrected */
+#define OPS_C2			0x10	/* C2 error pointers supported */
+#define OPS_ISRC		0x20	/* can return the ISRC info */
+#define OPS_UPC			0x40	/* can return the catalog number UPC */
+
+	u_int8_t	hw_cap;
+#define HW_LOCK			0x01	/* could be locked */
+#define HW_LOCKED		0x02	/* current lock state */
+#define HW_PREVENT		0x04	/* prevent jumper installed */
+#define HW_EJECT		0x08	/* can eject */
+#define HW_MECH_MASK		0xe0	/* loading mechanism type mask */
+
+#define MECH_CADDY		0x00
+#define MECH_TRAY		0x20
+#define MECH_POPUP		0x40
+#define MECH_CHANGER		0x80
+#define MECH_CARTRIDGE		0xa0
+
+	u_int8_t	sep_cap;
+#define SEP_VOL			0x01	/* independent volume controls */
+#define SEP_MUTE		0x02	/* independent mute controls */
+
+	u_int8_t	max_speed[2];	/* max raw data rate in bytes/1000 */
+	u_int8_t   max_vol_levels[2];	/* number of discrete volume levels */
+	u_int8_t	buf_size[2];	/* internal buffer size in bytes/1024 */
+	u_int8_t	cur_speed[2];	/* current data rate in bytes/1000  */
+
+	/* Digital drive output format description (optional?) */
+	u_int8_t	reserved3;
+	u_int8_t	ddofd;
+#define DDOFD_BCKF		0x01	/* data valid on failing edge of BCK */
+#define DDOFD_RCH		0x02	/* hight LRCK indicated left channel */
+#define DDOFD_LSBF		0x04	/* set if LSB first */
+#define DDOFD_DLEN_MASK		0x18	/* mask of DLEN values */
+
+#define DLEN_32			0x00	/* 32 BCKs */
+#define DLEN_16			0x08	/* 16 BCKs */
+#define DLEN_24			0x10	/* 24 BCKs */
+#define DLEN_24_I2S		0x18	/* 24 BCKs (I2S) */
+
+	u_int8_t	reserved4[2];
+};
+
+/* ATAPI error codes */
+#define ATAPI_SK_NO_SENSE		0x0
+#define ATAPI_SK_REC_ERROR		0x1	/* recovered error */
+#define ATAPI_SK_NOT_READY		0x2
+#define ATAPI_SK_MEDIUM_ERROR		0x3
+#define ATAPI_SK_HARDWARE_ERROR		0x4
+#define ATAPI_SK_ILLEGAL_REQUEST	0x5
+#define ATAPI_SK_UNIT_ATTENTION		0x6
+#define ATAPI_SK_DATA_PROTECT		0x7
+					/* 0x8 reserved */
+					/* 0x9-0xa reserved */
+#define ATAPI_SK_ABORTED_COMMAND	0xb
+					/* 0xc-0xd not referenced */
+#define ATAPI_SK_MISCOMPARE		0xe
+					/* 0xf reserved */
+
+#define ATAPI_MCR	0x08	/* media change requested */
+#define ATAPI_ABRT	0x04	/* aborted command */
+#define ATAPI_EOM	0x02	/* end of media */
+#define ATAPI_ILI	0x01	/* illegal length indication */
+
+
+int	atapi_exec_cmd __P((struct at_dev_link *, void *, int,
+	    void *, int, long, int));
+int	atapi_exec_io __P((struct at_dev_link *, void *, int,
+	    struct buf *, int));
+int	atapi_test_unit_ready __P((struct at_dev_link *, int));
+int	atapi_start_stop __P((struct at_dev_link *, int, int));
+int	atapi_prevent __P((struct at_dev_link *, int));