1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _MISC_SCSI_H 27 #define _MISC_SCSI_H 28 29 #ifdef __cplusplus 30 extern "C" { 31 #endif 32 33 #include "device.h" 34 35 struct track_info { 36 uint32_t ti_flags; /* flags, see below */ 37 int ti_track_no; /* Track number */ 38 int ti_session_no; /* session no. 0 if cannot find that */ 39 uchar_t ti_track_mode; /* track ctrl nibble, see READ TOC */ 40 uchar_t ti_data_mode; /* Mode 0,1,2 or FF */ 41 uint32_t ti_start_address; /* Start LBA */ 42 uint32_t ti_track_size; /* Size in blocks */ 43 uint32_t ti_packet_size; /* If a packet written track */ 44 uint32_t ti_free_blocks; /* For an incomplete track */ 45 uint32_t ti_lra; /* LBA of Last written user datablock */ 46 uint32_t ti_nwa; /* Next writable address */ 47 }; 48 49 /* 50 * track_info_flags 51 */ 52 #define TI_FIXED_PACKET 1 53 #define TI_PACKET_MODE 2 54 #define TI_BLANK_TRACK 4 55 #define TI_RESERVED_TRACK 8 56 #define TI_COPY 0x10 57 #define TI_DAMAGED_TRACK 0x20 58 #define TI_NWA_VALID 0x100 59 #define TI_LRA_VALID 0x200 60 #define TI_SESSION_NO_VALID 0x1000 61 #define TI_FREE_BLOCKS_VALID 0x2000 62 63 /* 64 * Track mode nibble 65 */ 66 #define TRACK_MODE_DATA 0x06 67 #define TRACK_MODE_AUDIO 0x02 68 69 /* 74 minutes, each second is 75 blocks */ 70 #define MAX_CD_BLKS (74*60*75) 71 #define MAX_DVD_BLKS 2295100 72 73 /* 74 * Macros to translate between a bandwidth ("RATE") and a Speed ("X") 75 * for CDs. Eg, "1X == 176,400 bytes/second". 76 * 77 * Some devices just multiply speed by 176. But more accurate ones 78 * multiply speed by 176.4. 79 */ 80 #define CD_RATE_TO_X(r) ((r) % 176 ? ((uint_t)(((double)(r)*10)/1764 + 0.5)) :\ 81 (r) / 176) 82 #define CD_X_TO_RATE(s) ((((s)*1764)+5)/10) 83 84 /* 85 * Macros to translate between a bandwidth ("RATE") and a Speed ("X") 86 * for DVDs. Eg, "1X == 1,385,000 bytes/second". 87 */ 88 #define DVD_RATE_TO_X(r) (((ulong_t)(r)*1000)/1385000) 89 #define DVD_X_TO_RATE(s) (((s)*1385000)/1000) 90 91 92 #define FINALIZE_TIMEOUT (6 * 12) /* Six minutes */ 93 94 uint32_t read_scsi32(void *addr); 95 uint16_t read_scsi16(void *addr); 96 void load_scsi32(void *addr, uint32_t val); 97 void load_scsi16(void *addr, uint16_t val); 98 99 int get_mode_page(int fd, int page_no, int pc, int buf_len, uchar_t *buffer); 100 int set_mode_page(int fd, uchar_t *buffer); 101 int build_track_info(cd_device *dev, int trackno, struct track_info *t_info); 102 uchar_t get_data_mode(int fd, uint32_t lba); 103 int prepare_for_write(cd_device *dev, int track_mode, int test_write, 104 int keep_disc_open); 105 int finalize(cd_device *dev); 106 uint32_t get_last_possible_lba(cd_device *dev); 107 int read_audio_through_read_cd(cd_device *dev, uint_t start_lba, uint_t nblks, 108 uchar_t *buf); 109 int eject_media(cd_device *dev); 110 int cd_speed_ctrl(cd_device *dev, int cmd, int speed); 111 int rt_streaming_ctrl(cd_device *dev, int cmd, int speed); 112 113 void tao_init(int mode); 114 void tao_fini(void); 115 void write_init(int mode); 116 void write_fini(void); 117 118 #ifdef __cplusplus 119 } 120 #endif 121 122 #endif /* _MISC_SCSI_H */ 123