atapiconf.h revision 1.6
1 /* $NetBSD: atapiconf.h,v 1.6 1998/02/13 08:28:23 enami Exp $ */ 2 3 /* 4 * Copyright (c) 1996 Manuel Bouyer. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Manuel Bouyer. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <dev/scsipi/scsipiconf.h> 33 34 struct atapi_identify { 35 struct config_s { 36 u_int8_t cmd_drq_rem; 37 #define ATAPI_PACKET_SIZE_MASK 0x03 38 #define ATAPI_PACKET_SIZE_12 0x00 39 #define ATAPI_PACKET_SIZE_16 0x01 40 41 #define ATAPI_DRQ_MASK 0x60 42 #define ATAPI_MICROPROCESSOR_DRQ 0x00 43 #define ATAPI_INTERRUPT_DRQ 0x20 44 #define ATAPI_ACCELERATED_DRQ 0x40 45 46 #define ATAPI_REMOVABLE 0x80 47 48 u_int8_t device_type; 49 #define ATAPI_DEVICE_TYPE_MASK 0x1f 50 #define ATAPI_DEVICE_TYPE_DAD 0x00 /* direct access device */ 51 /* 0x1-0x4 reserved */ 52 #define ATAPI_DEVICE_TYPE_CD 0x05 /* CD-ROM */ 53 /* 0x6 reserved */ 54 #define ATAPI_DEVICE_TYPE_OMD 0x07 /* optical memory device */ 55 /* 0x8-0x1e reserved */ 56 #define ATAPI_DEVICE_TYPE_UNKNOWN 0x1f 57 58 #define ATAPI_GC_PROTOCOL_MASK 0xc0 /* mask of protocol bits */ 59 /* 0x00 and 0x01 are ATA */ 60 #define ATAPI_GC_PROTO_TYPE_ATAPI 0x80 61 #define ATAPI_GC_PROTO_TYPE_RESERVED 0xc0 62 } config; /* general configuration */ 63 64 u_int8_t cylinders[2]; 65 u_int8_t reserved1[2]; 66 u_int8_t heads[2]; 67 u_int8_t unf_bytes_per_track[2]; 68 u_int8_t unf_bytes_per_sector[2]; 69 u_int8_t sectors_per_track[2]; 70 u_int8_t reserved2[6]; 71 char serial_number[20]; 72 u_int8_t buffer_type[2]; 73 u_int8_t buffer_size[2]; 74 u_int8_t ECC_bytes_available[2]; 75 char firmware_revision[8]; 76 char model[40]; 77 u_int8_t sector_count[2]; 78 u_int8_t double_word[2]; /* == 0 for CD-ROMs */ 79 80 struct capabilities_s { 81 u_int8_t vendor; 82 u_int8_t capflags; 83 #define ATAPI_CAP_DMA 0x01 /* DMA supported */ 84 #define ATAPI_CAP_LBA 0x02 /* LBA supported */ 85 #define ATAPI_IORDY_DISABLE 0x04 /* IORDY can be disabled */ 86 #define ATAPI_IORDY 0x08 /* IORDY supported */ 87 } capabilities; 88 89 u_int8_t reserved3[2]; 90 u_int8_t PIO_cycle_timing[2]; 91 u_int8_t DMA_cycle_timing[2]; 92 u_int8_t validity[2]; /* of words 54-58, 64-70 in this table */ 93 94 #define ATAPI_VALID_FIRST 0x0 /* == 1 => words 54-58 are valid */ 95 #define ATAPI_VALID_SECOND 0x1 /* == 1 => words 64-70 are valid */ 96 97 u_int8_t current_chs[6]; /* cylinder/head/sector */ 98 u_int8_t current_capacity[4]; 99 u_int8_t reserved4[2]; 100 u_int8_t user_addressable_sectors[4]; 101 u_int8_t singleword_DMA_mode[2]; 102 103 #define ATAPI_SW_DMA_MODE_AVAIL 0x00ff /* Mode 0 is supported */ 104 #define ATAPI_SW_DMA_MODE_ACTIVE 0xff00 /* which mode is active */ 105 106 u_int8_t multiword_DMA_mode[2]; 107 108 #define ATAPI_MW_DMA_MODE_AVAIL 0x00ff /* Mode 0 is supported */ 109 #define ATAPI_MW_DMA_MODE_ACTIVE 0xff00 /* which mode is active */ 110 111 u_int8_t enhanced_PIO_mode[2]; 112 113 #define ATAPI_ENHANCED_PIO_AVAIL 0x0001 /* PIO Mode 3 is supported */ 114 115 u_int8_t blind_PIO_minimum_cycles[2]; 116 u_int8_t mw_dma_tct[2]; /* multi-word DMA transfer cycle time */ 117 u_int8_t min_PIO_tct_no_flow_control[2]; 118 u_int8_t min_PIO_tct_with_flow_control[2]; 119 u_int8_t reserved5[4]; 120 u_int8_t reserved6[114]; 121 u_int8_t vendor[64]; /* vendor unique */ 122 u_int8_t reserved7[192]; 123 }; 124 125 struct atapibus_attach_args { 126 struct scsipi_link *sa_sc_link; 127 struct atapi_identify *sa_inqbuf; 128 }; 129 130 int wdc_atapi_get_params __P((struct scsipi_link *, u_int8_t, 131 struct atapi_identify *)); 132 void atapi_print_addr __P((struct scsipi_link *)); 133 int atapi_interpret_sense __P((struct scsipi_xfer *)); 134 int atapi_scsipi_cmd __P((struct scsipi_link *, struct scsipi_generic *, 135 int, u_char *, int, int, int, struct buf *, int)); 136 int atapi_mode_select __P((struct scsipi_link *, 137 struct atapi_mode_header *, int, int, int, int)); 138 int atapi_mode_sense __P((struct scsipi_link *, int, 139 struct atapi_mode_header *, int, int, int, int)); 140
Indexes created Wed Oct 01 15:09:59 GMT 2025