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Diffstat (limited to 'sys/dev/mcd/mcdreg.h')
| -rw-r--r-- | sys/dev/mcd/mcdreg.h | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/sys/dev/mcd/mcdreg.h b/sys/dev/mcd/mcdreg.h new file mode 100644 index 000000000000..451fc5de76c3 --- /dev/null +++ b/sys/dev/mcd/mcdreg.h @@ -0,0 +1,219 @@ +/*- + * Copyright 1993 by Holger Veit (data part) + * Copyright 1993 by Brian Moore (audio part) + * Changes Copyright 1993 by Gary Clark II + * 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 software was developed by Holger Veit and Brian Moore + * for use with "386BSD" and similar operating systems. + * "Similar operating systems" includes mainly non-profit oriented + * systems for research and education, including but not restricted to + * "NetBSD", "FreeBSD", "Mach" (by CMU). + * 4. Neither the name of the developer(s) nor the name "386BSD" + * may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE DEVELOPER(S) ``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 DEVELOPER(S) 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. + * + * This file contains definitions for some cdrom control commands + * and status codes. This info was "inherited" from the DOS MTMCDE.SYS + * driver, and is thus not complete (and may even be wrong). Some day + * the manufacturer or anyone else might provide better documentation, + * so this file (and the driver) will then have a better quality. + * + * $FreeBSD$ + */ + +#ifndef MCD_H +#define MCD_H + +/* toc */ +#define MCD_MAXTOCS 104 /* from the Linux driver */ +#define MCD_LASTPLUS1 170 /* special toc entry */ + +typedef unsigned char bcd_t; +#define M_msf(msf) msf[0] +#define S_msf(msf) msf[1] +#define F_msf(msf) msf[2] + +/* io lines used */ +#define MCD_IO_BASE 0x300 + +#define MCD_REG_COMMAND 0 +#define MCD_REG_STATUS 0 +#define MCD_REG_RDATA 0 + +#define MCD_REG_RESET 1 +#define MCD_REG_CTL2 2 /* XXX Is this right? */ +#define MCD_REG_CONFIG 3 + +#define MCD_MASK_DMA 0x07 /* bits 2-0 = DMA channel */ +#define MCD_MASK_IRQ 0x70 /* bits 6-4 = INT number */ + /* 001 = int 2,9 */ + /* 010 = int 3 */ + /* 011 = int 5 */ + /* 100 = int 10 */ + /* 101 = int 11 */ +/* flags */ +#define MFL_DATA_NOT_AVAIL 0x02 +#define MFL_STATUS_NOT_AVAIL 0x04 + +/* New Commands */ +#define M_RESET 0x00 +#define M_PICKLE 0x04 + +/* ports */ +#define MCD_DATA 0 +#define MCD_FLAGS 1 +#define MCD_CTRL 2 +#define CHANNEL 3 /* XXX ??? */ + +/* Status bits */ +#define MCD_ST_DOOROPEN 0x80 +#define MCD_ST_DSKIN 0x40 +#define MCD_ST_DSKCHNG 0x20 +#define MCD_ST_SPINNING 0x10 +#define MCD_ST_AUDIODISK 0x08 /* Audio Disk is in */ +#define MCD_ST_BUSY 0x04 +#define MCD_ST_AUDIOBSY 0x02 /* Audio Disk is Playing */ +#define MCD_ST_CMDCHECK 0x01 /* Command error */ + +/* commands known by the controller */ +#define MCD_CMDRESET 0x00 +#define MCD_CMDGETVOLINFO 0x10 /* gets mcd_volinfo */ +#define MCD_CMDGETDISKINFO 0x11 /* gets mcd_disk information */ +#define MCD_CMDGETQCHN 0x20 /* gets mcd_qchninfo */ +#define MCD_CMDGETSENSE 0x30 /* gets sense info */ +#define MCD_CMDGETSTAT 0x40 /* gets a byte of status */ + +#define MCD_CMDSETMODE 0x50 /* set transmission mode, needs byte */ + +#define MCD_MDBIT_TESTMODE 0x80 /* 0 = DATALENGTH setting is valid */ +#define MCD_MDBIT_DATALENGTH 0x40 /* 0 = Read User Data Only */ + /* 1 = Read Raw sectors (2352 bytes) */ + +#define MCDBLK 2048 /* for cooked mode */ +#define MCDRBLK sizeof(struct mcd_rawsector) /* for raw mode */ + +#define MCD_MDBIT_ECCMODE 0x20 /* 0 = Use secondary correction */ + /* 1 = Don't use secondary ECC */ +#define MCD_MDBIT_SPINDOWN 0x08 /* 0 = Spin Up, 1 = Spin Down */ +#define MCD_MDBIT_GET_TOC 0x04 /* 0 = Get UPC on next GETQCHAN */ + /* 1 = Get TOC on GETQCHAN */ +#define MCD_MDBIT_MUTEDATA 0x01 /* 1 = Don't play back Data as audio */ + +#define MCD_MD_RAW (MCD_MDBIT_DATALENGTH|MCD_MDBIT_ECCMODE|MCD_MDBIT_MUTEDATA) +#define MCD_MD_COOKED (MCD_MDBIT_MUTEDATA) +#define MCD_MD_TOC (MCD_MDBIT_GET_TOC|MCD_MDBIT_MUTEDATA) + +#define MCD_CMDSTOPAUDIO 0x70 +#define MCD_CMDSTOPAUDIOTIME 0x80 +#define MCD_CMDGETVOLUME 0x8E /* gets mcd_volume */ +#define MCD_CMDSETDRIVEMODE 0xA0 /* Set drive mode */ +#define MCD_READUPC 0xA2 /* Get UPC info */ +#define MCD_CMDSETVOLUME 0xAE /* sets mcd_volume */ +#define MCD_CMDREAD1 0xB0 /* read n sectors */ +#define MCD_CMDSINGLESPEEDREAD 0xC0 /* read from-to */ +#define MCD_CMDSTARTAUDIOMSF 0xC1 /* read audio data */ +#define MCD_CMDDOUBLESPEEDREAD 0xC1 /* Read lots of data from the drive */ +#define MCD_CMDGETDRIVEMODE 0xC2 /* Get the drive mode */ +#define MCD_CMDREAD 0xC3 /* Read data from the drive */ +#define MCD_CMDSETINTERLEAVE 0xC8 /* Adjust the interleave */ +#define MCD_CMDCONTINFO 0xDC /* Get controller info */ +#define MCD_CMDSTOP 0xF0 /* Stop everything */ +#define MCD_CMDEJECTDISK 0xF6 +#define MCD_CMDCLOSETRAY 0xF8 + +#define MCD_CMDLOCKDRV 0xFE /* needs byte */ +#define MCD_LK_UNLOCK 0x00 +#define MCD_LK_LOCK 0x01 +#define MCD_LK_TEST 0x02 + +/* DMA Enable Stuff */ +#define MCD_DMA_IRQFLAGS 0x10 /* Set data0 for IRQ click */ + +#define MCD_DMA_PREIRQ 0x01 /* All of these are for */ +#define MCD_DMA_POSTIRQ 0x02 /* MCD_DMA_IRQFLAG... */ +#define MCD_DMA_ERRIRQ 0x04 /* */ + +#define MCD_DMA_TIMEOUT 0x08 /* Set data0 for DMA timeout */ +#define MCD_DMA_UPCFLAG 0x04 /* 1 = Next command will be READUPC */ + +#define MCD_DMA_DMAMODE 0x02 /* 1 = Data uses DMA */ +#define MCD_DMA_TRANSFERLENGTH 0x01 /* data0 = MSB, data1 = LSB of block length */ + +struct mcd_dma_mode { + u_char dma_mode; + u_char data0; /* If dma_mode & 0x10: Use IRQ settings */ + u_char data1; /* Used if dma_mode & 0x01 */ +} __packed; + +struct mcd_volinfo { + bcd_t trk_low; + bcd_t trk_high; + bcd_t vol_msf[3]; + bcd_t trk1_msf[3]; +} __packed; + +struct mcd_qchninfo { + u_char addr_type:4; + u_char control:4; + u_char trk_no; + u_char idx_no; + bcd_t trk_size_msf[3]; + u_char :8; + bcd_t hd_pos_msf[3]; +} __packed; + +struct mcd_volume { + u_char v0l; + u_char v0rs; + u_char v0r; + u_char v0ls; +} __packed; + +struct mcd_holdtime { + u_char units_of_ten_seconds; + /* If this is 0, the default (12) is used */ +} __packed; + +struct mcd_read1 { + bcd_t start_msf[3]; + u_char nsec[3]; +} __packed; + +struct mcd_read2 { + bcd_t start_msf[3]; + bcd_t end_msf[3]; +} __packed; + +struct mcd_rawsector { + u_char sync1[12]; + u_char header[4]; + u_char subheader1[4]; + u_char subheader2[4]; + u_char data[MCDBLK]; + u_char ecc_bits[280]; +} __packed; + +#endif /* MCD_H */ |