diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/gnu/i386/isa/scd.c | 1441 | ||||
| -rw-r--r-- | sys/gnu/i386/isa/scdreg.h | 283 | ||||
| -rw-r--r-- | sys/gnu/i386/scd.c | 1441 | ||||
| -rw-r--r-- | sys/gnu/i386/scdreg.h | 283 |
4 files changed, 3448 insertions, 0 deletions
diff --git a/sys/gnu/i386/isa/scd.c b/sys/gnu/i386/isa/scd.c new file mode 100644 index 0000000..3a1fe86 --- /dev/null +++ b/sys/gnu/i386/isa/scd.c @@ -0,0 +1,1441 @@ +/*- + * Copyright (c) 1995 Mikael Hybsch + * + * Portions of this file are copied from mcd.c + * which has the following copyrights: + * + * Copyright 1993 by Holger Veit (data part) + * Copyright 1993 by Brian Moore (audio part) + * Changes Copyright 1993 by Gary Clark II + * Changes Copyright (C) 1994 by Andrew A. Chernov + * + * Rewrote probe routine to work on newer Mitsumi drives. + * Additional changes (C) 1994 by Jordan K. Hubbard + * + * The Linux driver cdu31a has been used as a reference when writing this + * code, there fore 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 + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +/* First released version. Please send any comments to micke@dynas.se */ + +#define DEBUG 0 /* 0(no debug), 1(debug), 2(debug on each read) */ + +#include "scd.h" +#if NSCD > 0 +#include <sys/types.h> +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/conf.h> +#include <sys/file.h> +#include <sys/buf.h> +#include <sys/stat.h> +#include <sys/uio.h> +#include <sys/ioctl.h> +#include <sys/cdio.h> +#include <sys/errno.h> +#include <sys/dkbad.h> +#include <sys/disklabel.h> +#include <sys/devconf.h> + +#include <i386/isa/isa.h> +#include <i386/isa/isa_device.h> +#include <i386/isa/scdreg.h> + +#define scd_part(dev) ((minor(dev)) & 7) +#define scd_unit(dev) (((minor(dev)) & 0x38) >> 3) +#define scd_phys(dev) (((minor(dev)) & 0x40) >> 6) +#define RAW_PART 2 + +/* flags */ +#define SCDOPEN 0x0001 /* device opened */ +#define SCDVALID 0x0002 /* parameters loaded */ +#define SCDINIT 0x0004 /* device is init'd */ +#define SCDPROBING 0x0020 /* probing */ +#define SCDTOC 0x0100 /* already read toc */ +#define SCDMBXBSY 0x0200 /* local mbx is busy */ +#define SCDSPINNING 0x0400 /* drive is spun up */ + +#define SCD_S_BEGIN 0 +#define SCD_S_BEGIN1 1 +#define SCD_S_WAITSTAT 2 +#define SCD_S_WAITFIFO 3 +#define SCD_S_WAITSPIN 4 +#define SCD_S_WAITREAD 5 +#define SCD_S_WAITPARAM 6 + +#define RDELAY_WAIT 300 +#define RDELAY_WAITREAD 300 + +#define SCDBLKSIZE 2048 + +struct scd_mbx { + short unit; + short port; + short retry; + short nblk; + int sz; + u_long skip; + struct buf *bp; + int p_offset; + short count; +}; + +struct scd_data { + int iobase; + char double_speed; + char *name; + short flags; + int blksize; + u_long disksize; + struct disklabel dlabel; + int openflags; + struct { + unsigned char start_msf[3]; + } toc[MAX_TRACKS]; + short first_track; + short last_track; +/* struct s_sony_subcode subcode; */ + + short audio_status; + struct buf head; /* head of buf queue */ + struct scd_mbx mbx; +} scd_data[NSCD]; + +/* prototypes */ +int scdopen(dev_t dev); +int scdclose(dev_t dev); +void scdstrategy(struct buf *bp); +int scdioctl(dev_t dev, int cmd, caddr_t addr, int flags); +int scdsize(dev_t dev); + +static int bcd2bin(bcd_t b); +static bcd_t bin2bcd(int b); +static void hsg2msf(int hsg, bcd_t *msf); +static int msf2hsg(bcd_t *msf); + +static void get_drive_configuration(unsigned short unit, + unsigned char res_reg[], + unsigned int *res_size); +static int handle_attention(unsigned unit); +static inline void write_control(unsigned port, unsigned data); +static int write_params(unsigned port, unsigned char *params, int num_params); +static int do_cmd(unsigned int unit, + unsigned char cmd, + unsigned char *params, + unsigned int num_params, + unsigned char *result_buffer, + unsigned int *result_size); +static void set_drive_params(unsigned unit); + +static void scd_start(int unit); +static void scd_doread(int state, struct scd_mbx *mbxin); + +static int scd_eject(int unit); +static int scd_stop(int unit); +static int scd_playtracks(int unit, struct ioc_play_track *pt); +static int scd_playmsf(int unit, struct ioc_play_msf *msf); +static int scd_subchan(int unit, struct ioc_read_subchannel *sc); +static int read_subcode(int unit, struct s_sony_subcode *sc); + +extern int hz; + +int scd_probe(struct isa_device *dev); +int scd_attach(struct isa_device *dev); +struct isa_driver scddriver = { scd_probe, scd_attach, "scd" }; + +static struct kern_devconf kdc_scd[NSCD] = { { + 0, 0, 0, /* filled in by dev_attach */ + "scd", 0, { MDDT_ISA, 0, "bio" }, + isa_generic_externalize, 0, 0, ISA_EXTERNALLEN, + &kdc_isa0, /* parent */ + 0, /* parentdata */ + DC_IDLE, /* status */ + "Sony CD-ROM drive" /* properly filled later */ +} }; + +static inline void +scd_registerdev(struct isa_device *id) +{ + if(id->id_unit) + kdc_scd[id->id_unit] = kdc_scd[0]; + kdc_scd[id->id_unit].kdc_unit = id->id_unit; + kdc_scd[id->id_unit].kdc_isa = id; + dev_attach(&kdc_scd[id->id_unit]); +} + +int scd_attach(struct isa_device *dev) +{ + struct scd_data *cd = scd_data + dev->id_unit; + int i; + + cd->iobase = dev->id_iobase; /* Already set by probe, but ... */ + + scd_registerdev(dev); + /* name filled in probe */ + kdc_scd[dev->id_unit].kdc_description = scd_data[dev->id_unit].name; + printf("scd%d: <%s>\n", dev->id_unit, scd_data[dev->id_unit].name); + + set_drive_params(dev->id_unit); + + cd->flags = SCDINIT; + cd->audio_status = CD_AS_AUDIO_INVALID; + + return 1; +} + +static int +bcd2bin(bcd_t b) +{ + return (b >> 4) * 10 + (b & 15); +} + +static bcd_t +bin2bcd(int b) +{ + return ((b / 10) << 4) | (b % 10); +} + +static void +hsg2msf(int hsg, bcd_t *msf) +{ + hsg += 150; + M_msf(msf) = bin2bcd(hsg / 4500); + hsg %= 4500; + S_msf(msf) = bin2bcd(hsg / 75); + F_msf(msf) = bin2bcd(hsg % 75); +} + +static int +msf2hsg(bcd_t *msf) +{ + return (bcd2bin(M_msf(msf)) * 60 + + bcd2bin(S_msf(msf))) * 75 + + bcd2bin(F_msf(msf)) - 150; +} + +static int +handle_attention(unsigned unit) +{ + unsigned port = scd_data[unit].iobase; + unsigned char atten_code; + static int loop_count = 0; + int i; + + if (!IS_ATTENTION(port)) { + loop_count = 0; + return 0; + } + + if (loop_count > 20) { + printf("scd%d: Too many attentions: %d\n", unit, loop_count); + loop_count = 0; + return 0; + } + + write_control(port, SCD_ATTN_CLR_BIT); + atten_code = inb(port+SCD_RESULT_REG); + +#if DEBUG + printf("scd%d: DEBUG: ********* ATTENTION = 0x%x\n", unit, atten_code); +#endif + + switch (atten_code) { + /* Someone changed the CD. Mark it as changed */ + case SONY_MECH_LOADED_ATTN: + scd_data[unit].flags &= ~(SCDTOC|SCDSPINNING|SCDVALID); + break; + + case SONY_SPIN_DOWN_COMPLETE_ATTN: + scd_data[unit].flags &= ~SCDSPINNING; + break; + + case SONY_SPIN_UP_COMPLETE_ATTN: + scd_data[unit].flags |= SCDSPINNING; + break; + + case SONY_AUDIO_PLAY_DONE_ATTN: + scd_data[unit].audio_status = CD_AS_PLAY_COMPLETED; +/* read_subcode(); */ + break; + + case SONY_EJECT_PUSHED_ATTN: + scd_data[unit].flags &= ~SCDVALID; + break; + + case SONY_LEAD_IN_ERR_ATTN: + case SONY_LEAD_OUT_ERR_ATTN: + case SONY_DATA_TRACK_ERR_ATTN: + case SONY_AUDIO_PLAYBACK_ERR_ATTN: + break; + default: +#if DEBUG + printf("scd%d: unknown ATTENTION = 0x%x\n", unit, atten_code); +#endif + break; + } + loop_count++; + return 1; +} + +/* Returns 0 OR sony error code */ +static int +spin_up(unsigned unit) +{ + unsigned char res_reg[12]; + unsigned int res_size; + int res; + int loop_count = 0; + +again: + res = do_cmd(unit, SCD_SPIN_UP_CMD, NULL, 0, res_reg, &res_size); + if (res != 0) { +#if DEBUG > 1 + printf("scd%d: CMD_SPIN_UP error 0x%x\n", unit, res); +#endif + return res; + } + + if (!(scd_data[unit].flags & SCDTOC)) { /* XXX probably no good ... */ + res = do_cmd(unit, SCD_READ_TOC_CMD, NULL, 0, res_reg, &res_size); + if (res == SONY_NOT_SPIN_ERR) { + if (loop_count++ < 3) + goto again; + return res; + } + } + + if (res != 0) + return res; + + scd_data[unit].flags |= SCDSPINNING; + + return 0; +} + +static struct s_sony_tracklist * +get_tl(struct s_sony_session_toc *toc, int size) +{ + struct s_sony_tracklist *tl = (struct s_sony_tracklist *)&toc->pointb0; + + (char *)tl -= 1; /* Cannot take address of bitfield (above) */ + + if (toc->pointb0 != 0xb0) { +#if DEBUG + if (toc->pointb0 != tl->track) + printf("scd: WARNING: pointb0 != track0\n"); +#endif + return tl; + } + (char *)tl += 9; + if (toc->pointb1 != 0xb1) + return tl; + (char *)tl += 9; + if (toc->pointb2 != 0xb2) + return tl; + (char *)tl += 9; + if (toc->pointb3 != 0xb3) + return tl; + (char *)tl += 9; + if (toc->pointb4 != 0xb4) + return tl; + (char *)tl += 9; + if (toc->pointc0 != 0xc0) + return tl; + (char *)tl += 9; + return tl; +} + +/* Return value same as do_cmd() */ +static int +read_toc(dev_t dev) +{ + unsigned unit; + struct scd_data *cd; + unsigned part = 0; /* For now ... */ + unsigned char params[1]; + unsigned char msf[3]; + unsigned int res_size; + struct s_sony_session_toc toc; + struct s_sony_tracklist *tl; + int i, j; + u_long first, last; + + unit = scd_unit(dev); + cd = scd_data + unit; + + params[0] = part+1; + i = do_cmd(unit, SCD_REQ_TOC_DATA_SPEC_CMD, + params, + 1, + (unsigned char *)toc.exec_status, + &res_size); + if (i != 0) + return i; + + tl = get_tl(&toc, res_size); + first = msf2hsg(tl->track_start_msf); + last = msf2hsg(toc.lead_out_start_msf); + cd->blksize = SCDBLKSIZE; + cd->disksize = last*cd->blksize/DEV_BSIZE; + +#if DEBUG + printf("scd%d: firstsector = %d, lastsector = %d", unit, + first, last); +#endif + + cd->first_track = bcd2bin(toc.first_track_num); + cd->last_track = bcd2bin(toc.last_track_num); + if (cd->last_track > (MAX_TRACKS-2)) + cd->last_track = MAX_TRACKS-2; + for (j = 0, i = cd->first_track; i <= cd->last_track; i++, j++) { + bcopy(tl[j].track_start_msf, cd->toc[i].start_msf, 3); +#if DEBUG + if ((j % 3) == 0) + printf("\nscd%d: tracks ", unit); + printf("[%03d: %2d %2d %2d] ", i, + bcd2bin(cd->toc[i].start_msf[0]), + bcd2bin(cd->toc[i].start_msf[1]), + bcd2bin(cd->toc[i].start_msf[2])); +#endif + } + hsg2msf(msf2hsg(toc.lead_out_start_msf)-1, msf); + bcopy(msf, cd->toc[cd->last_track+1].start_msf, 3); +#if DEBUG + i = cd->last_track+1; + printf("[END: %2d %2d %2d]\n", + bcd2bin(cd->toc[i].start_msf[0]), + bcd2bin(cd->toc[i].start_msf[1]), + bcd2bin(cd->toc[i].start_msf[2])); +#endif + + bzero(&cd->dlabel,sizeof(struct disklabel)); + /* filled with spaces first */ + strncpy(cd->dlabel.d_typename," ", + sizeof(cd->dlabel.d_typename)); + strncpy(cd->dlabel.d_typename, cd->name, + min(strlen(cd->name), sizeof(cd->dlabel.d_typename) - 1)); + strncpy(cd->dlabel.d_packname,"unknown ", + sizeof(cd->dlabel.d_packname)); + cd->dlabel.d_secsize = cd->blksize; + cd->dlabel.d_nsectors = 100; + cd->dlabel.d_ntracks = 1; + cd->dlabel.d_ncylinders = (cd->disksize/100)+1; + cd->dlabel.d_secpercyl = 100; + cd->dlabel.d_secperunit = cd->disksize; + cd->dlabel.d_rpm = 300; + cd->dlabel.d_interleave = 1; + cd->dlabel.d_flags = D_REMOVABLE; + cd->dlabel.d_npartitions= 1; + cd->dlabel.d_partitions[0].p_offset = 0; + cd->dlabel.d_partitions[0].p_size = cd->disksize; + cd->dlabel.d_partitions[0].p_fstype = 9; + cd->dlabel.d_magic = DISKMAGIC; + cd->dlabel.d_magic2 = DISKMAGIC; + cd->dlabel.d_checksum = dkcksum(&cd->dlabel); + + cd->flags |= SCDTOC; + + return 0; +} + +static inline void +write_control(unsigned port, unsigned data) +{ + outb(port + SCD_CONTROL_REG, data); +} + +static int +write_params(unsigned port, unsigned char *params, int num_params) +{ + int retry_count = 20000; + + while ((retry_count-- > 0) && (!FIFOST_BIT(port, SCD_PARAM_WRITE_RDY_BIT))) + ; + if (!FIFOST_BIT(port, SCD_PARAM_WRITE_RDY_BIT)) + return EIO; + + while (num_params-- > 0) + outb(port+SCD_PARAM_REG, *params++); + + return 0; +} + +static void +set_drive_params(unsigned unit) +{ + unsigned char res_reg[12]; + unsigned int res_size; + unsigned char params[3]; + int res; + + params[0] = SCD_SD_MECH_CONTROL; + params[1] = 0x03; /* Set auto spin up and auto eject */ + if (scd_data[unit].double_speed) + params[1] |= 0x04; /* Set the drive to double speed if possible */ + + res = do_cmd(unit, SCD_SET_DRIVE_PARAM_CMD, + params, + 2, + res_reg, + &res_size); + + if (res != 0) + printf("scd%d: Unable to set mechanical parameters. Errcode = 0x%x\n", res); +} + +static int +get_result(unsigned unit, unsigned char *result) +{ + unsigned int port = scd_data[unit].iobase; + unsigned int flags = scd_data[unit].flags; + unsigned int res_reg = port + SCD_RESULT_REG; + unsigned char c; + int len = 0; + int datalen = 0; + int loop_index = 0; + unsigned int retry_count; + + while (handle_attention(unit)) + ; + + if (flags & SCDPROBING) { + retry_count = 50; /* While probing tsleep doesn't sleep */ + while ((retry_count-- > 0) + && (IS_BUSY(port) || !STATUS_BIT(port, SCD_RES_RDY_BIT))) + { + DELAY(100000); + while (handle_attention(unit)) + ; + } + } else { + retry_count = 100; /* Wait max 10 sec. */ + while ((retry_count-- > 0) + && (IS_BUSY(port) || !STATUS_BIT(port, SCD_RES_RDY_BIT))) + { + tsleep(get_result, PZERO - 1, "get_result", hz/10); + while (handle_attention(unit)) + ; + } + } + while (handle_attention(unit)) + ; + + if (IS_BUSY(port) || !STATUS_BIT(port, SCD_RES_RDY_BIT)) { + printf("scd%d: timeout @%d\n", unit, __LINE__); + return -EIO; + } + + write_control(port, SCD_RES_RDY_CLR_BIT); + switch ((*result++ = inb(res_reg)) & 0xf0) { + case 0x50: + return 1; + case 0x20: + *result = inb(res_reg); + return 2; + case 0x00: + default: + datalen = inb(res_reg); + len = 2; + loop_index = len; + *result++ = datalen; + } + +#if DEBUG + printf("scd%d: DEBUG: get_result bytes = %d\n", unit, datalen); +#endif + + while (datalen-- > 0) { + if (loop_index++ >= 10) { + loop_index = 1; + retry_count = 200; + if (flags & SCDPROBING) + retry_count += 10000; + while ((retry_count > 0) && !STATUS_BIT(port, SCD_RES_RDY_BIT)) { + retry_count--; + if (retry_count < 100) + tsleep(get_result, PZERO - 1, "get_result", hz/50); + else + DELAY(10); + } + if (!STATUS_BIT(port, SCD_RES_RDY_BIT)) { + printf("scd%d: timeout @%d\n", unit, __LINE__); + return -EIO; + } + write_control(port, SCD_RES_RDY_CLR_BIT); + } + *result++ = inb(res_reg); + len++; + } + return len; +} + +/* Returns 0 or (sony error code) or -(errno code) */ +static int +do_cmd(unsigned int unit, + unsigned char cmd, + unsigned char *params, + unsigned int num_params, + unsigned char *result_buffer, + unsigned int *result_size) +{ + unsigned port = scd_data[unit].iobase; + unsigned int retry_count; + int res; + +#if DEBUG + printf("SCD: do_cmd: 0x%x\n", cmd); +#endif + + while (handle_attention(unit)) + ; + retry_count = 40; + while (retry_count-- > 0 && IS_BUSY(port)) { + while (handle_attention(unit)) + ; + tsleep(do_cmd, PZERO - 1, "do_cmd", hz/4); + } + if (IS_BUSY(port)) { +#if DEBUG + printf("SCD: timeout out @%d\n", __LINE__); +#endif + return -EIO; + } + write_control(port, SCD_RES_RDY_CLR_BIT); + write_control(port, SCD_PARAM_CLR_BIT); + + retry_count = 40; + while ((retry_count-- > 0) && (!FIFOST_BIT(port, SCD_PARAM_WRITE_RDY_BIT))) + ; + if (!FIFOST_BIT(port, SCD_PARAM_WRITE_RDY_BIT)) + return -EIO; + + while (num_params-- > 0) + outb(port+SCD_PARAM_REG, *params++); + outb(port+SCD_CMD_REG, cmd); + + if ((res = get_result(unit, result_buffer)) < 0) + return res; + if (res < 2) + return -EIO; + *result_size = res; + if (result_buffer[0] == 0x20) + return result_buffer[1]; + return 0; +} + +static void +print_error(int unit, int errcode) +{ + switch (errcode) { + case SONY_NOT_LOAD_ERR: + printf("scd%d: door is open\n", unit); + break; + case SONY_NO_DISK_ERR: + printf("scd%d: no cd inside\n", unit); + break; + default: + if (errcode < 0) + printf("scd%d: device timeout\n", unit); + else + printf("scd%d: unexpected error 0x%x\n", unit, errcode); + break; + } +} + +int +scdopen(dev_t dev) +{ + int unit,part,phys; + int rc; + struct scd_data *cd; + + unit = scd_unit(dev); + if (unit >= NSCD) + return ENXIO; + + cd = scd_data + unit; + part = scd_part(dev); + phys = scd_phys(dev); + + /* not initialized*/ + if (!(cd->flags & SCDINIT)) + return ENXIO; + + /* invalidated in the meantime? mark all open part's invalid */ + if (cd->openflags) + return ENXIO; + +#if DEBUG + printf("scd%d: DEBUG: status = 0x%x\n", unit, inb(cd->iobase+SCD_STATUS_REG)); +#endif + + if ((rc = spin_up(unit)) != 0) { + print_error(unit, rc); + return EIO; + } + if (!(cd->flags & SCDTOC)) { + int loop_count = 3; + + while (loop_count-- > 0 && (rc = read_toc(dev)) != 0) { + if (rc == SONY_NOT_SPIN_ERR) { + rc = spin_up(unit); + if (rc) { + print_error(unit, rc);\ + return EIO; + } + continue; + } + printf("scd%d: TOC read error 0x%x\n", unit, rc); + return EIO; + } + } + + cd->openflags = 1; + cd->flags |= SCDVALID; + kdc_scd[unit].kdc_state = DC_BUSY; + + return 0; +} + +int +scdclose(dev_t dev) +{ + int unit,part,phys; + struct scd_data *cd; + int rlen; + char rdata[10]; + + unit = scd_unit(dev); + if (unit >= NSCD) + return ENXIO; + + cd = scd_data + unit; + part = scd_part(dev); + phys = scd_phys(dev); + + if (!(cd->flags & SCDINIT) || !cd->openflags) + return ENXIO; + + (void)do_cmd(unit, SCD_SPIN_DOWN_CMD, (char *)0, 0, rdata, &rlen); + cd->flags &= ~SCDSPINNING; + + kdc_scd[unit].kdc_state = DC_IDLE; + + /* close channel */ + cd->openflags = 0; + + return 0; +} + +void +scdstrategy(struct buf *bp) +{ + struct scd_data *cd; + struct buf *qp; + int s; + int unit = scd_unit(bp->b_dev); + + cd = scd_data + unit; + + /* test validity */ +#if DEBUG > 1 + printf("scd%d: DEBUG: strategy: block=%ld, bcount=%ld\n", unit, bp->b_blkno, bp->b_bcount); +#endif + if (unit >= NSCD || bp->b_blkno < 0 || (bp->b_bcount % SCDBLKSIZE)) { + printf("scd%d: strategy failure: blkno = %d, bcount = %d\n", + unit, bp->b_blkno, bp->b_bcount); + bp->b_error = EINVAL; + bp->b_flags |= B_ERROR; + goto bad; + } + + /* if device invalidated (e.g. media change, door open), error */ + if (!(cd->flags & SCDVALID)) { + printf("scd%d: media changed\n", unit); + bp->b_error = EIO; + goto bad; + } + + /* read only */ + if (!(bp->b_flags & B_READ)) { + bp->b_error = EROFS; + goto bad; + } + + /* no data to read */ + if (bp->b_bcount == 0) + goto done; + + if (!(cd->flags & SCDTOC)) { + bp->b_error = EIO; + goto bad; + } + /* adjust transfer if necessary */ + if (bounds_check_with_label(bp,&cd->dlabel,1) <= 0) + goto done; + + bp->b_pblkno = bp->b_blkno; + bp->b_resid = 0; + + /* queue it */ + qp = &cd->head; + s = splbio(); + disksort(qp,bp); + splx(s); + + /* now check whether we can perform processing */ + scd_start(unit); + return; + +bad: + bp->b_flags |= B_ERROR; +done: + bp->b_resid = bp->b_bcount; + biodone(bp); + return; +} + +static void +scd_start(int unit) +{ + struct scd_data *cd = scd_data + unit; + struct buf *bp, *qp = &cd->head; + struct partition *p; + int part; + register s = splbio(); + + if (cd->flags & SCDMBXBSY) { + splx(s); + return; + } + + if ((bp = qp->b_actf) != 0) { + /* block found to process, dequeue */ + qp->b_actf = bp->b_actf; /* changed from: bp->av_forw <se> */ + cd->flags |= SCDMBXBSY; + splx(s); + } else { + /* nothing to do */ + splx(s); + return; + } + + p = cd->dlabel.d_partitions + scd_part(bp->b_dev); + + cd->mbx.unit = unit; + cd->mbx.port = cd->iobase; + cd->mbx.retry = 3; + cd->mbx.bp = bp; + cd->mbx.p_offset = p->p_offset; + splx(s); + + scd_doread(SCD_S_BEGIN,&(cd->mbx)); + return; +} + +int +scdioctl(dev_t dev, int cmd, caddr_t addr, int flags) +{ + struct scd_data *cd; + int unit,part; + + unit = scd_unit(dev); + part = scd_part(dev); + cd = scd_data + unit; + +#if DEBUG + printf("scd%d: ioctl: cmd=0x%lx\n", unit, cmd); +#endif + + if (!(cd->flags & SCDVALID)) + return EIO; + + switch (cmd) { + case DIOCSBAD: + return EINVAL; + case DIOCGDINFO: + *(struct disklabel *)addr = cd->dlabel; + return 0; + case DIOCGPART: + ((struct partinfo *)addr)->disklab = &cd->dlabel; + ((struct partinfo *)addr)->part = + &cd->dlabel.d_partitions[0]; + return 0; + case CDIOCPLAYTRACKS: + return scd_playtracks(unit, (struct ioc_play_track *) addr); + case CDIOCPLAYBLOCKS: + return EINVAL; + case CDIOCPLAYMSF: + return scd_playmsf(unit, (struct ioc_play_msf *) addr); + case CDIOCREADSUBCHANNEL: + return scd_subchan(unit, (struct ioc_read_subchannel *) addr); + case CDIOREADTOCHEADER: + case CDIOREADTOCENTRYS: + case CDIOCSETPATCH: + case CDIOCGETVOL: + case CDIOCSETVOL: + case CDIOCSETMONO: + case CDIOCSETSTERIO: + case CDIOCSETMUTE: + case CDIOCSETLEFT: + case CDIOCSETRIGHT: + return EINVAL; + case CDIOCRESUME: +/* return scd_resume(unit); */ + case CDIOCPAUSE: +/* return scd_pause(unit); */ + case CDIOCSTART: + return EINVAL; + case CDIOCSTOP: + return scd_stop(unit); + case CDIOCEJECT: + return scd_eject(unit); + case CDIOCALLOW: + return 0; + default: + printf("scd%d: unsupported ioctl (cmd=0x%lx)\n", unit, cmd); + return ENOTTY; + } +} + +/*************************************************************** + * lower level of driver starts here + **************************************************************/ + +static int +scd_playtracks(int unit, struct ioc_play_track *pt) +{ + struct scd_data *cd = scd_data + unit; + struct ioc_play_msf msf; + int a = pt->start_track; + int z = pt->end_track; + int rc, i; + + if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) { + print_error(unit, rc); + return EIO; + } + +#if DEBUG + printf("scd%d: playtracks from %d:%d to %d:%d\n", unit, + a, pt->start_index, z, pt->end_index); +#endif + + if ( a < cd->first_track + || a > cd->last_track + || a > z + || z > cd->last_track) + return EINVAL; + + for (i = 0; i < 3; i++) { + ((char *)&msf.start_m)[i] = bcd2bin(cd->toc[a].start_msf[i]); + ((char *)&msf.end_m)[i] = bcd2bin(cd->toc[z+1].start_msf[i]); + } + return scd_playmsf(unit, &msf); +} + +static int +scd_playmsf(int unit, struct ioc_play_msf *msf) +{ + struct scd_data *cd = scd_data + unit; + unsigned char sdata[10]; + unsigned char rdata[10]; + int rlen, rc; + + sdata[0] = 0x03; + sdata[1] = bin2bcd(msf->start_m); + sdata[2] = bin2bcd(msf->start_s); + sdata[3] = bin2bcd(msf->start_f); + sdata[4] = bin2bcd(msf->end_m); + sdata[5] = bin2bcd(msf->end_s); + sdata[6] = bin2bcd(msf->end_f); + +#if DEBUG + printf("scd%d: playmsf: %02d:%02d:%02d -> %02d:%02d:%02d\n", unit, + msf->start_m, msf->start_s, msf->start_f, + msf->end_m, msf->end_s, msf->end_f); +#endif + + if ((rc = do_cmd(unit, SCD_AUDIO_PLAYBACK_CMD, sdata, 7, rdata, &rlen)) != 0) { + print_error(unit, rc); + return EIO; + } + cd->audio_status = CD_AS_PLAY_IN_PROGRESS; + return 0; +} + +static int +scd_stop(int unit) +{ + struct scd_data *cd = scd_data + unit; + char rdata[10]; + int rlen; + + (void)do_cmd(unit, SCD_AUDIO_STOP_CMD, (char *)0, 0, rdata, &rlen); + cd->audio_status = CD_AS_PLAY_COMPLETED; + return 0; +} + +static int +scd_eject(int unit) +{ + struct scd_data *cd = scd_data + unit; + int port = cd->iobase; + char rdata[10]; + int rlen; + + (void)do_cmd(unit, SCD_AUDIO_STOP_CMD, (char *)0, 0, rdata, &rlen); + (void)do_cmd(unit, SCD_SPIN_DOWN_CMD, (char *)0, 0, rdata, &rlen); + cd->flags &= ~(SCDSPINNING|SCDTOC); + if (do_cmd(unit, SCD_EJECT_CMD, (char *)0, 0, rdata, &rlen) != 0) + return EIO; + return 0; +} + +static int +scd_subchan(int unit, struct ioc_read_subchannel *sc) +{ + struct scd_data *cd = scd_data + unit; + struct s_sony_subcode q; + struct cd_sub_channel_info data; + +#if DEBUG + printf("scd%d: subchan af=%d, df=%d\n", unit, + sc->address_format, + sc->data_format); +#endif + + if (sc->address_format != CD_MSF_FORMAT) + return EINVAL; + + if (sc->data_format != CD_CURRENT_POSITION) + return EINVAL; + + if (read_subcode(unit, &q) != 0) + return EIO; + + data.header.audio_status = cd->audio_status; + data.what.position.data_format = CD_MSF_FORMAT; + data.what.position.track_number = bcd2bin(q.track_num); + data.what.position.reladdr.msf.unused = 0; + data.what.position.reladdr.msf.minute = bcd2bin(q.rel_msf[0]); + data.what.position.reladdr.msf.second = bcd2bin(q.rel_msf[1]); + data.what.position.reladdr.msf.frame = bcd2bin(q.rel_msf[2]); + data.what.position.absaddr.msf.unused = 0; + data.what.position.absaddr.msf.minute = bcd2bin(q.abs_msf[0]); + data.what.position.absaddr.msf.second = bcd2bin(q.abs_msf[1]); + data.what.position.absaddr.msf.frame = bcd2bin(q.abs_msf[2]); + + if (copyout(&data, sc->data, min(sizeof(struct cd_sub_channel_info), sc->data_len))!=0) + return EFAULT; + return 0; +} + +/* check to see if a Sony CD-ROM is attached to the ISA bus */ + +static void +get_drive_configuration(unsigned short unit, + unsigned char res_reg[], + unsigned int *res_size) +{ + unsigned port = scd_data[unit].iobase; + int retry_count = 10000; + + outb(port + SCD_CONTROL_REG, SCD_DRIVE_RESET_BIT); /* reset drive */ + + while ((retry_count-- > 0) && (!IS_ATTENTION(port))) + DELAY(10); + + /* If I use a shorter delay, I get a timeout in get_result() */ + /* I guess there is a better way, but I don't have the manuals */ + DELAY(500000); + + (void)do_cmd(unit, SCD_REQ_DRIVE_CONFIG_CMD, + NULL, + 0, + (unsigned char *) res_reg, + res_size); + return; +} + +int +scd_probe(struct isa_device *dev) +{ + struct s_sony_drive_config drive_config; + int unit = dev->id_unit; + unsigned int res_size; + int i; + static char buf[8+16+8+3]; + char *s = buf; + + scd_data[unit].flags = SCDPROBING; + scd_data[unit].iobase = dev->id_iobase; + + bzero(&drive_config, sizeof(drive_config)); + get_drive_configuration(unit, drive_config.exec_status, &res_size); + + if (res_size < sizeof(drive_config) + || (drive_config.exec_status[0] & 0xf0) != 0x00) + { + return 0; + } + + bcopy(drive_config.vendor_id, buf, 8); + s = buf+8; + while (*(s-1) == ' ') + s--; + *s++ = ' '; + bcopy(drive_config.product_id, s, 16); + s += 16; + while (*(s-1) == ' ') + s--; + *s++ = ' '; + bcopy(drive_config.product_rev_level, s, 8); + s += 8; + while (*(s-1) == ' ') + s--; + *s = 0; + + scd_data[unit].name = buf; + + if (SONY_HWC_DOUBLE_SPEED(drive_config)) + scd_data[unit].double_speed = 1; + else + scd_data[unit].double_speed = 0; + + return 4; +} + +static int +read_subcode(int unit, struct s_sony_subcode *sc) +{ + int rlen; + + if (do_cmd(unit, SCD_REQ_SUBCODE_ADDRESS_CMD, + (char *)0, 0, sc->exec_status, &rlen) != 0) + return EIO; + return 0; +} + +/* State machine copied from mcd.c /Micke */ + +/* state machine to process read requests + * initialize with SCD_S_BEGIN: reset state machine + * SCD_S_WAITSTAT: wait for ready (!busy) + * SCD_S_WAITSPIN: wait for drive to spin up (if not spinning) + * SCD_S_WAITFIFO: wait for param fifo to get ready, them exec. command. + * SCD_S_WAITREAD: wait for data ready, read data + * SCD_S_WAITPARAM: wait for command result params, read them, error if bad data read. + */ + +static struct scd_mbx *mbxsave; + +static void +scd_doread(int state, struct scd_mbx *mbxin) +{ + struct scd_mbx *mbx = (state!=SCD_S_BEGIN) ? mbxsave : mbxin; + int unit = mbx->unit; + int port = mbx->port; + struct buf *bp = mbx->bp; + struct scd_data *cd = scd_data + unit; + + int reg,i,k,c; + int blknum; + caddr_t addr; + char rdata[10]; + static char sdata[3]; /* Must be preserved between calls to this function */ + +loop: + switch (state) { + case SCD_S_BEGIN: + mbx = mbxsave = mbxin; + + case SCD_S_BEGIN1: + /* get status */ + mbx->count = RDELAY_WAIT; + + while (handle_attention(unit)) + ; + goto trystat; + + case SCD_S_WAITSTAT: + untimeout((timeout_func_t)scd_doread,(caddr_t)SCD_S_WAITSTAT); + if (mbx->count-- <= 0) { + printf("scd%d: timeout. drive busy.\n",unit); + goto harderr; + } + +trystat: + if (IS_BUSY(port)) { + timeout((timeout_func_t)scd_doread, + (caddr_t)SCD_S_WAITSTAT,hz/100); /* XXX */ + return; + } + + while (handle_attention(unit)) + ; +#if 0 + /* reject, if audio active */ + if (cd->status & SCDAUDIOBSY) { + printf("scd%d: audio is active\n",unit); + goto readerr; + } +#endif + mbx->sz = cd->blksize; + +firstblock: + /* for first block */ + mbx->nblk = (bp->b_bcount + (mbx->sz-1)) / mbx->sz; + mbx->skip = 0; + +nextblock: + if (!(cd->flags & SCDVALID)) + goto changed; + + blknum = (bp->b_blkno / (mbx->sz/DEV_BSIZE)) + + mbx->p_offset + mbx->skip/mbx->sz; + +#if DEBUG > 1 + printf("scd%d: scd_doread: read blknum=%d\n", unit, blknum); +#endif + /* build parameter block */ + hsg2msf(blknum, sdata); + + write_control(port, SCD_RES_RDY_CLR_BIT); + write_control(port, SCD_PARAM_CLR_BIT); + write_control(port, SCD_DATA_RDY_CLR_BIT); + + if (FIFOST_BIT(port, SCD_PARAM_WRITE_RDY_BIT)) + goto writeparam; + + mbx->count = 100; + timeout((timeout_func_t)scd_doread, + (caddr_t)SCD_S_WAITFIFO,hz/100); /* XXX */ + return; + + case SCD_S_WAITSPIN: + untimeout((timeout_func_t)scd_doread,(caddr_t)SCD_S_WAITSPIN); + if (mbx->count-- <= 0) { + printf("scd%d: timeout waiting for drive to spin up.\n", unit); + goto harderr; + } + if (!STATUS_BIT(port, SCD_RES_RDY_BIT)) { + timeout((timeout_func_t)scd_doread, + (caddr_t)SCD_S_WAITSPIN,hz/100); /* XXX */ + return; + } + write_control(port, SCD_RES_RDY_CLR_BIT); + switch ((i = inb(port+SCD_RESULT_REG)) & 0xf0) { + case 0x20: + i = inb(port+SCD_RESULT_REG); + print_error(unit, i); + goto harderr; + case 0x00: + (void)inb(port+SCD_RESULT_REG); + cd->flags |= SCDSPINNING; + break; + } +#if DEBUG + printf("scd%d: DEBUG: spin up complete\n", unit); +#endif + state = SCD_S_BEGIN1; + goto loop; + + case SCD_S_WAITFIFO: + untimeout((timeout_func_t)scd_doread,(caddr_t)SCD_S_WAITFIFO); + if (mbx->count-- <= 0) { + printf("scd%d: timeout. write param not ready.\n",unit); + goto harderr; + } + if (!FIFOST_BIT(port, SCD_PARAM_WRITE_RDY_BIT)) { + timeout((timeout_func_t)scd_doread, + (caddr_t)SCD_S_WAITFIFO,hz/100); /* XXX */ + return; + } +#if DEBUG + printf("scd%d: mbx->count (writeparamwait) = %d(%d)\n", unit, mbx->count, 100); +#endif + +writeparam: + /* The reason this test isn't done 'till now is to make sure */ + /* that it is ok to send the SPIN_UP command below */ + if (!(cd->flags & SCDSPINNING)) { + +#if DEBUG + printf("scd%d: spinning up drive ...\n", unit); +#endif + outb(port+SCD_CMD_REG, SCD_SPIN_UP_CMD); + mbx->count = 300; + timeout((timeout_func_t)scd_doread, + (caddr_t)SCD_S_WAITSPIN,hz/100); /* XXX */ + return; + } + + reg = port + SCD_PARAM_REG; + /* send the read command */ + disable_intr(); + outb(reg, sdata[0]); + outb(reg, sdata[1]); + outb(reg, sdata[2]); + outb(reg, 0); + outb(reg, 0); + outb(reg, 1); + outb(port+SCD_CMD_REG, SCD_READ_BLKERR_STAT_CMD); + enable_intr(); + + mbx->count = RDELAY_WAITREAD; + for (i = 0; i < 50; i++) { + if (STATUS_BIT(port, SCD_DATA_RDY_BIT)) + goto got_data; + DELAY(100); + } + + timeout((timeout_func_t)scd_doread, + (caddr_t)SCD_S_WAITREAD,hz/100); /* XXX */ + return; + + case SCD_S_WAITREAD: + untimeout((timeout_func_t)scd_doread,(caddr_t)SCD_S_WAITREAD); + if (mbx->count-- <= 0) { + if (STATUS_BIT(port, SCD_RES_RDY_BIT)) + goto got_param; + printf("scd%d: timeout while reading data\n",unit); + goto readerr; + } + if (!STATUS_BIT(port, SCD_DATA_RDY_BIT)) { + while (handle_attention(unit)) + ; + if (!(cd->flags & SCDVALID)) + goto changed; + timeout((timeout_func_t)scd_doread, + (caddr_t)SCD_S_WAITREAD,hz/100); /* XXX */ + return; + } + +#if DEBUG > 1 + printf("scd%d: mbx->count (after RDY_BIT) = %d(%d)\n", unit, mbx->count, RDELAY_WAITREAD); +#endif + +got_data: + /* data is ready */ + addr = bp->b_un.b_addr + mbx->skip; + write_control(port, SCD_DATA_RDY_CLR_BIT); + insb(port+SCD_READ_REG, addr, mbx->sz); + + mbx->count = 100; + for (i = 0; i < 20; i++) { + if (STATUS_BIT(port, SCD_RES_RDY_BIT)) + goto waitfor_param; + DELAY(100); + } + goto waitfor_param; + + case SCD_S_WAITPARAM: + untimeout((timeout_func_t)scd_doread,(caddr_t)SCD_S_WAITPARAM); + if (mbx->count-- <= 0) { + printf("scd%d: timeout waiting for params\n",unit); + goto readerr; + } + +waitfor_param: + if (!STATUS_BIT(port, SCD_RES_RDY_BIT)) { + timeout((timeout_func_t)scd_doread, + (caddr_t)SCD_S_WAITPARAM,hz/100); /* XXX */ + return; + } +#if DEBUG + if (mbx->count < 100) + printf("scd%d: mbx->count (paramwait) = %d(%d)\n", unit, mbx->count, 100); +#endif + +got_param: + write_control(port, SCD_RES_RDY_CLR_BIT); + switch ((i = inb(port+SCD_RESULT_REG)) & 0xf0) { + case 0x50: + switch (i) { + case SONY_UNREC_CIRC_ERR: + case SONY_UNREC_LECC_ERR: + printf("scd%d: unrecoverable read error 0x%x\n", unit, i); + goto harderr; + } + break; + case 0x20: + i = inb(port+SCD_RESULT_REG); + switch (i) { + case SONY_NOT_SPIN_ERR: +#if DEBUG + printf("scd%d: read error: drive not spinning\n", unit); +#endif + if (mbx->retry-- > 0) { + state = SCD_S_BEGIN1; + cd->flags &= ~SCDSPINNING; + goto loop; + } + goto harderr; + default: + print_error(unit, i); + goto readerr; + } + case 0x00: + i = inb(port+SCD_RESULT_REG); + break; + } + + if (--mbx->nblk > 0) { + mbx->skip += mbx->sz; + goto nextblock; + } + + /* return buffer */ + bp->b_resid = 0; + biodone(bp); + + cd->flags &= ~SCDMBXBSY; + scd_start(mbx->unit); + return; + } + +readerr: + if (mbx->retry-- > 0) { + printf("scd%d: retrying ...\n",unit); + state = SCD_S_BEGIN1; + goto loop; + } +harderr: + /* invalidate the buffer */ + bp->b_error = EIO; + bp->b_flags |= B_ERROR; + bp->b_resid = bp->b_bcount; + biodone(bp); + + cd->flags &= ~SCDMBXBSY; + scd_start(mbx->unit); + return; + +changed: + printf("scd%d: media changed\n", unit); + goto harderr; +} + +int +scdsize(dev_t dev) +{ + return -1; +} +#endif /* NSCD > 0 */ diff --git a/sys/gnu/i386/isa/scdreg.h b/sys/gnu/i386/isa/scdreg.h new file mode 100644 index 0000000..76a25c5 --- /dev/null +++ b/sys/gnu/i386/isa/scdreg.h @@ -0,0 +1,283 @@ +/*- + * 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 + * conditions of redistribution therefore apply: + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#ifndef SCD_H +#define SCD_H + +#ifdef __GNUC__ +#if __GNUC__ >= 2 +#pragma pack(1) +#endif +#endif + +typedef unsigned char bcd_t; +#define M_msf(msf) msf[0] +#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 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 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 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 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 SCD_AUDIO_PLAYBACK_CMD 0x40 +#define SCD_AUDIO_STOP_CMD 0x41 +#define SCD_AUDIO_SCAN_CMD 0x42 + +#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 + + +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 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]; +}; + +#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]; +}; + +#endif /* SCD_H */ diff --git a/sys/gnu/i386/scd.c b/sys/gnu/i386/scd.c new file mode 100644 index 0000000..3a1fe86 --- /dev/null +++ b/sys/gnu/i386/scd.c @@ -0,0 +1,1441 @@ +/*- + * Copyright (c) 1995 Mikael Hybsch + * + * Portions of this file are copied from mcd.c + * which has the following copyrights: + * + * Copyright 1993 by Holger Veit (data part) + * Copyright 1993 by Brian Moore (audio part) + * Changes Copyright 1993 by Gary Clark II + * Changes Copyright (C) 1994 by Andrew A. Chernov + * + * Rewrote probe routine to work on newer Mitsumi drives. + * Additional changes (C) 1994 by Jordan K. Hubbard + * + * The Linux driver cdu31a has been used as a reference when writing this + * code, there fore 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 + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +/* First released version. Please send any comments to micke@dynas.se */ + +#define DEBUG 0 /* 0(no debug), 1(debug), 2(debug on each read) */ + +#include "scd.h" +#if NSCD > 0 +#include <sys/types.h> +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/conf.h> +#include <sys/file.h> +#include <sys/buf.h> +#include <sys/stat.h> +#include <sys/uio.h> +#include <sys/ioctl.h> +#include <sys/cdio.h> +#include <sys/errno.h> +#include <sys/dkbad.h> +#include <sys/disklabel.h> +#include <sys/devconf.h> + +#include <i386/isa/isa.h> +#include <i386/isa/isa_device.h> +#include <i386/isa/scdreg.h> + +#define scd_part(dev) ((minor(dev)) & 7) +#define scd_unit(dev) (((minor(dev)) & 0x38) >> 3) +#define scd_phys(dev) (((minor(dev)) & 0x40) >> 6) +#define RAW_PART 2 + +/* flags */ +#define SCDOPEN 0x0001 /* device opened */ +#define SCDVALID 0x0002 /* parameters loaded */ +#define SCDINIT 0x0004 /* device is init'd */ +#define SCDPROBING 0x0020 /* probing */ +#define SCDTOC 0x0100 /* already read toc */ +#define SCDMBXBSY 0x0200 /* local mbx is busy */ +#define SCDSPINNING 0x0400 /* drive is spun up */ + +#define SCD_S_BEGIN 0 +#define SCD_S_BEGIN1 1 +#define SCD_S_WAITSTAT 2 +#define SCD_S_WAITFIFO 3 +#define SCD_S_WAITSPIN 4 +#define SCD_S_WAITREAD 5 +#define SCD_S_WAITPARAM 6 + +#define RDELAY_WAIT 300 +#define RDELAY_WAITREAD 300 + +#define SCDBLKSIZE 2048 + +struct scd_mbx { + short unit; + short port; + short retry; + short nblk; + int sz; + u_long skip; + struct buf *bp; + int p_offset; + short count; +}; + +struct scd_data { + int iobase; + char double_speed; + char *name; + short flags; + int blksize; + u_long disksize; + struct disklabel dlabel; + int openflags; + struct { + unsigned char start_msf[3]; + } toc[MAX_TRACKS]; + short first_track; + short last_track; +/* struct s_sony_subcode subcode; */ + + short audio_status; + struct buf head; /* head of buf queue */ + struct scd_mbx mbx; +} scd_data[NSCD]; + +/* prototypes */ +int scdopen(dev_t dev); +int scdclose(dev_t dev); +void scdstrategy(struct buf *bp); +int scdioctl(dev_t dev, int cmd, caddr_t addr, int flags); +int scdsize(dev_t dev); + +static int bcd2bin(bcd_t b); +static bcd_t bin2bcd(int b); +static void hsg2msf(int hsg, bcd_t *msf); +static int msf2hsg(bcd_t *msf); + +static void get_drive_configuration(unsigned short unit, + unsigned char res_reg[], + unsigned int *res_size); +static int handle_attention(unsigned unit); +static inline void write_control(unsigned port, unsigned data); +static int write_params(unsigned port, unsigned char *params, int num_params); +static int do_cmd(unsigned int unit, + unsigned char cmd, + unsigned char *params, + unsigned int num_params, + unsigned char *result_buffer, + unsigned int *result_size); +static void set_drive_params(unsigned unit); + +static void scd_start(int unit); +static void scd_doread(int state, struct scd_mbx *mbxin); + +static int scd_eject(int unit); +static int scd_stop(int unit); +static int scd_playtracks(int unit, struct ioc_play_track *pt); +static int scd_playmsf(int unit, struct ioc_play_msf *msf); +static int scd_subchan(int unit, struct ioc_read_subchannel *sc); +static int read_subcode(int unit, struct s_sony_subcode *sc); + +extern int hz; + +int scd_probe(struct isa_device *dev); +int scd_attach(struct isa_device *dev); +struct isa_driver scddriver = { scd_probe, scd_attach, "scd" }; + +static struct kern_devconf kdc_scd[NSCD] = { { + 0, 0, 0, /* filled in by dev_attach */ + "scd", 0, { MDDT_ISA, 0, "bio" }, + isa_generic_externalize, 0, 0, ISA_EXTERNALLEN, + &kdc_isa0, /* parent */ + 0, /* parentdata */ + DC_IDLE, /* status */ + "Sony CD-ROM drive" /* properly filled later */ +} }; + +static inline void +scd_registerdev(struct isa_device *id) +{ + if(id->id_unit) + kdc_scd[id->id_unit] = kdc_scd[0]; + kdc_scd[id->id_unit].kdc_unit = id->id_unit; + kdc_scd[id->id_unit].kdc_isa = id; + dev_attach(&kdc_scd[id->id_unit]); +} + +int scd_attach(struct isa_device *dev) +{ + struct scd_data *cd = scd_data + dev->id_unit; + int i; + + cd->iobase = dev->id_iobase; /* Already set by probe, but ... */ + + scd_registerdev(dev); + /* name filled in probe */ + kdc_scd[dev->id_unit].kdc_description = scd_data[dev->id_unit].name; + printf("scd%d: <%s>\n", dev->id_unit, scd_data[dev->id_unit].name); + + set_drive_params(dev->id_unit); + + cd->flags = SCDINIT; + cd->audio_status = CD_AS_AUDIO_INVALID; + + return 1; +} + +static int +bcd2bin(bcd_t b) +{ + return (b >> 4) * 10 + (b & 15); +} + +static bcd_t +bin2bcd(int b) +{ + return ((b / 10) << 4) | (b % 10); +} + +static void +hsg2msf(int hsg, bcd_t *msf) +{ + hsg += 150; + M_msf(msf) = bin2bcd(hsg / 4500); + hsg %= 4500; + S_msf(msf) = bin2bcd(hsg / 75); + F_msf(msf) = bin2bcd(hsg % 75); +} + +static int +msf2hsg(bcd_t *msf) +{ + return (bcd2bin(M_msf(msf)) * 60 + + bcd2bin(S_msf(msf))) * 75 + + bcd2bin(F_msf(msf)) - 150; +} + +static int +handle_attention(unsigned unit) +{ + unsigned port = scd_data[unit].iobase; + unsigned char atten_code; + static int loop_count = 0; + int i; + + if (!IS_ATTENTION(port)) { + loop_count = 0; + return 0; + } + + if (loop_count > 20) { + printf("scd%d: Too many attentions: %d\n", unit, loop_count); + loop_count = 0; + return 0; + } + + write_control(port, SCD_ATTN_CLR_BIT); + atten_code = inb(port+SCD_RESULT_REG); + +#if DEBUG + printf("scd%d: DEBUG: ********* ATTENTION = 0x%x\n", unit, atten_code); +#endif + + switch (atten_code) { + /* Someone changed the CD. Mark it as changed */ + case SONY_MECH_LOADED_ATTN: + scd_data[unit].flags &= ~(SCDTOC|SCDSPINNING|SCDVALID); + break; + + case SONY_SPIN_DOWN_COMPLETE_ATTN: + scd_data[unit].flags &= ~SCDSPINNING; + break; + + case SONY_SPIN_UP_COMPLETE_ATTN: + scd_data[unit].flags |= SCDSPINNING; + break; + + case SONY_AUDIO_PLAY_DONE_ATTN: + scd_data[unit].audio_status = CD_AS_PLAY_COMPLETED; +/* read_subcode(); */ + break; + + case SONY_EJECT_PUSHED_ATTN: + scd_data[unit].flags &= ~SCDVALID; + break; + + case SONY_LEAD_IN_ERR_ATTN: + case SONY_LEAD_OUT_ERR_ATTN: + case SONY_DATA_TRACK_ERR_ATTN: + case SONY_AUDIO_PLAYBACK_ERR_ATTN: + break; + default: +#if DEBUG + printf("scd%d: unknown ATTENTION = 0x%x\n", unit, atten_code); +#endif + break; + } + loop_count++; + return 1; +} + +/* Returns 0 OR sony error code */ +static int +spin_up(unsigned unit) +{ + unsigned char res_reg[12]; + unsigned int res_size; + int res; + int loop_count = 0; + +again: + res = do_cmd(unit, SCD_SPIN_UP_CMD, NULL, 0, res_reg, &res_size); + if (res != 0) { +#if DEBUG > 1 + printf("scd%d: CMD_SPIN_UP error 0x%x\n", unit, res); +#endif + return res; + } + + if (!(scd_data[unit].flags & SCDTOC)) { /* XXX probably no good ... */ + res = do_cmd(unit, SCD_READ_TOC_CMD, NULL, 0, res_reg, &res_size); + if (res == SONY_NOT_SPIN_ERR) { + if (loop_count++ < 3) + goto again; + return res; + } + } + + if (res != 0) + return res; + + scd_data[unit].flags |= SCDSPINNING; + + return 0; +} + +static struct s_sony_tracklist * +get_tl(struct s_sony_session_toc *toc, int size) +{ + struct s_sony_tracklist *tl = (struct s_sony_tracklist *)&toc->pointb0; + + (char *)tl -= 1; /* Cannot take address of bitfield (above) */ + + if (toc->pointb0 != 0xb0) { +#if DEBUG + if (toc->pointb0 != tl->track) + printf("scd: WARNING: pointb0 != track0\n"); +#endif + return tl; + } + (char *)tl += 9; + if (toc->pointb1 != 0xb1) + return tl; + (char *)tl += 9; + if (toc->pointb2 != 0xb2) + return tl; + (char *)tl += 9; + if (toc->pointb3 != 0xb3) + return tl; + (char *)tl += 9; + if (toc->pointb4 != 0xb4) + return tl; + (char *)tl += 9; + if (toc->pointc0 != 0xc0) + return tl; + (char *)tl += 9; + return tl; +} + +/* Return value same as do_cmd() */ +static int +read_toc(dev_t dev) +{ + unsigned unit; + struct scd_data *cd; + unsigned part = 0; /* For now ... */ + unsigned char params[1]; + unsigned char msf[3]; + unsigned int res_size; + struct s_sony_session_toc toc; + struct s_sony_tracklist *tl; + int i, j; + u_long first, last; + + unit = scd_unit(dev); + cd = scd_data + unit; + + params[0] = part+1; + i = do_cmd(unit, SCD_REQ_TOC_DATA_SPEC_CMD, + params, + 1, + (unsigned char *)toc.exec_status, + &res_size); + if (i != 0) + return i; + + tl = get_tl(&toc, res_size); + first = msf2hsg(tl->track_start_msf); + last = msf2hsg(toc.lead_out_start_msf); + cd->blksize = SCDBLKSIZE; + cd->disksize = last*cd->blksize/DEV_BSIZE; + +#if DEBUG + printf("scd%d: firstsector = %d, lastsector = %d", unit, + first, last); +#endif + + cd->first_track = bcd2bin(toc.first_track_num); + cd->last_track = bcd2bin(toc.last_track_num); + if (cd->last_track > (MAX_TRACKS-2)) + cd->last_track = MAX_TRACKS-2; + for (j = 0, i = cd->first_track; i <= cd->last_track; i++, j++) { + bcopy(tl[j].track_start_msf, cd->toc[i].start_msf, 3); +#if DEBUG + if ((j % 3) == 0) + printf("\nscd%d: tracks ", unit); + printf("[%03d: %2d %2d %2d] ", i, + bcd2bin(cd->toc[i].start_msf[0]), + bcd2bin(cd->toc[i].start_msf[1]), + bcd2bin(cd->toc[i].start_msf[2])); +#endif + } + hsg2msf(msf2hsg(toc.lead_out_start_msf)-1, msf); + bcopy(msf, cd->toc[cd->last_track+1].start_msf, 3); +#if DEBUG + i = cd->last_track+1; + printf("[END: %2d %2d %2d]\n", + bcd2bin(cd->toc[i].start_msf[0]), + bcd2bin(cd->toc[i].start_msf[1]), + bcd2bin(cd->toc[i].start_msf[2])); +#endif + + bzero(&cd->dlabel,sizeof(struct disklabel)); + /* filled with spaces first */ + strncpy(cd->dlabel.d_typename," ", + sizeof(cd->dlabel.d_typename)); + strncpy(cd->dlabel.d_typename, cd->name, + min(strlen(cd->name), sizeof(cd->dlabel.d_typename) - 1)); + strncpy(cd->dlabel.d_packname,"unknown ", + sizeof(cd->dlabel.d_packname)); + cd->dlabel.d_secsize = cd->blksize; + cd->dlabel.d_nsectors = 100; + cd->dlabel.d_ntracks = 1; + cd->dlabel.d_ncylinders = (cd->disksize/100)+1; + cd->dlabel.d_secpercyl = 100; + cd->dlabel.d_secperunit = cd->disksize; + cd->dlabel.d_rpm = 300; + cd->dlabel.d_interleave = 1; + cd->dlabel.d_flags = D_REMOVABLE; + cd->dlabel.d_npartitions= 1; + cd->dlabel.d_partitions[0].p_offset = 0; + cd->dlabel.d_partitions[0].p_size = cd->disksize; + cd->dlabel.d_partitions[0].p_fstype = 9; + cd->dlabel.d_magic = DISKMAGIC; + cd->dlabel.d_magic2 = DISKMAGIC; + cd->dlabel.d_checksum = dkcksum(&cd->dlabel); + + cd->flags |= SCDTOC; + + return 0; +} + +static inline void +write_control(unsigned port, unsigned data) +{ + outb(port + SCD_CONTROL_REG, data); +} + +static int +write_params(unsigned port, unsigned char *params, int num_params) +{ + int retry_count = 20000; + + while ((retry_count-- > 0) && (!FIFOST_BIT(port, SCD_PARAM_WRITE_RDY_BIT))) + ; + if (!FIFOST_BIT(port, SCD_PARAM_WRITE_RDY_BIT)) + return EIO; + + while (num_params-- > 0) + outb(port+SCD_PARAM_REG, *params++); + + return 0; +} + +static void +set_drive_params(unsigned unit) +{ + unsigned char res_reg[12]; + unsigned int res_size; + unsigned char params[3]; + int res; + + params[0] = SCD_SD_MECH_CONTROL; + params[1] = 0x03; /* Set auto spin up and auto eject */ + if (scd_data[unit].double_speed) + params[1] |= 0x04; /* Set the drive to double speed if possible */ + + res = do_cmd(unit, SCD_SET_DRIVE_PARAM_CMD, + params, + 2, + res_reg, + &res_size); + + if (res != 0) + printf("scd%d: Unable to set mechanical parameters. Errcode = 0x%x\n", res); +} + +static int +get_result(unsigned unit, unsigned char *result) +{ + unsigned int port = scd_data[unit].iobase; + unsigned int flags = scd_data[unit].flags; + unsigned int res_reg = port + SCD_RESULT_REG; + unsigned char c; + int len = 0; + int datalen = 0; + int loop_index = 0; + unsigned int retry_count; + + while (handle_attention(unit)) + ; + + if (flags & SCDPROBING) { + retry_count = 50; /* While probing tsleep doesn't sleep */ + while ((retry_count-- > 0) + && (IS_BUSY(port) || !STATUS_BIT(port, SCD_RES_RDY_BIT))) + { + DELAY(100000); + while (handle_attention(unit)) + ; + } + } else { + retry_count = 100; /* Wait max 10 sec. */ + while ((retry_count-- > 0) + && (IS_BUSY(port) || !STATUS_BIT(port, SCD_RES_RDY_BIT))) + { + tsleep(get_result, PZERO - 1, "get_result", hz/10); + while (handle_attention(unit)) + ; + } + } + while (handle_attention(unit)) + ; + + if (IS_BUSY(port) || !STATUS_BIT(port, SCD_RES_RDY_BIT)) { + printf("scd%d: timeout @%d\n", unit, __LINE__); + return -EIO; + } + + write_control(port, SCD_RES_RDY_CLR_BIT); + switch ((*result++ = inb(res_reg)) & 0xf0) { + case 0x50: + return 1; + case 0x20: + *result = inb(res_reg); + return 2; + case 0x00: + default: + datalen = inb(res_reg); + len = 2; + loop_index = len; + *result++ = datalen; + } + +#if DEBUG + printf("scd%d: DEBUG: get_result bytes = %d\n", unit, datalen); +#endif + + while (datalen-- > 0) { + if (loop_index++ >= 10) { + loop_index = 1; + retry_count = 200; + if (flags & SCDPROBING) + retry_count += 10000; + while ((retry_count > 0) && !STATUS_BIT(port, SCD_RES_RDY_BIT)) { + retry_count--; + if (retry_count < 100) + tsleep(get_result, PZERO - 1, "get_result", hz/50); + else + DELAY(10); + } + if (!STATUS_BIT(port, SCD_RES_RDY_BIT)) { + printf("scd%d: timeout @%d\n", unit, __LINE__); + return -EIO; + } + write_control(port, SCD_RES_RDY_CLR_BIT); + } + *result++ = inb(res_reg); + len++; + } + return len; +} + +/* Returns 0 or (sony error code) or -(errno code) */ +static int +do_cmd(unsigned int unit, + unsigned char cmd, + unsigned char *params, + unsigned int num_params, + unsigned char *result_buffer, + unsigned int *result_size) +{ + unsigned port = scd_data[unit].iobase; + unsigned int retry_count; + int res; + +#if DEBUG + printf("SCD: do_cmd: 0x%x\n", cmd); +#endif + + while (handle_attention(unit)) + ; + retry_count = 40; + while (retry_count-- > 0 && IS_BUSY(port)) { + while (handle_attention(unit)) + ; + tsleep(do_cmd, PZERO - 1, "do_cmd", hz/4); + } + if (IS_BUSY(port)) { +#if DEBUG + printf("SCD: timeout out @%d\n", __LINE__); +#endif + return -EIO; + } + write_control(port, SCD_RES_RDY_CLR_BIT); + write_control(port, SCD_PARAM_CLR_BIT); + + retry_count = 40; + while ((retry_count-- > 0) && (!FIFOST_BIT(port, SCD_PARAM_WRITE_RDY_BIT))) + ; + if (!FIFOST_BIT(port, SCD_PARAM_WRITE_RDY_BIT)) + return -EIO; + + while (num_params-- > 0) + outb(port+SCD_PARAM_REG, *params++); + outb(port+SCD_CMD_REG, cmd); + + if ((res = get_result(unit, result_buffer)) < 0) + return res; + if (res < 2) + return -EIO; + *result_size = res; + if (result_buffer[0] == 0x20) + return result_buffer[1]; + return 0; +} + +static void +print_error(int unit, int errcode) +{ + switch (errcode) { + case SONY_NOT_LOAD_ERR: + printf("scd%d: door is open\n", unit); + break; + case SONY_NO_DISK_ERR: + printf("scd%d: no cd inside\n", unit); + break; + default: + if (errcode < 0) + printf("scd%d: device timeout\n", unit); + else + printf("scd%d: unexpected error 0x%x\n", unit, errcode); + break; + } +} + +int +scdopen(dev_t dev) +{ + int unit,part,phys; + int rc; + struct scd_data *cd; + + unit = scd_unit(dev); + if (unit >= NSCD) + return ENXIO; + + cd = scd_data + unit; + part = scd_part(dev); + phys = scd_phys(dev); + + /* not initialized*/ + if (!(cd->flags & SCDINIT)) + return ENXIO; + + /* invalidated in the meantime? mark all open part's invalid */ + if (cd->openflags) + return ENXIO; + +#if DEBUG + printf("scd%d: DEBUG: status = 0x%x\n", unit, inb(cd->iobase+SCD_STATUS_REG)); +#endif + + if ((rc = spin_up(unit)) != 0) { + print_error(unit, rc); + return EIO; + } + if (!(cd->flags & SCDTOC)) { + int loop_count = 3; + + while (loop_count-- > 0 && (rc = read_toc(dev)) != 0) { + if (rc == SONY_NOT_SPIN_ERR) { + rc = spin_up(unit); + if (rc) { + print_error(unit, rc);\ + return EIO; + } + continue; + } + printf("scd%d: TOC read error 0x%x\n", unit, rc); + return EIO; + } + } + + cd->openflags = 1; + cd->flags |= SCDVALID; + kdc_scd[unit].kdc_state = DC_BUSY; + + return 0; +} + +int +scdclose(dev_t dev) +{ + int unit,part,phys; + struct scd_data *cd; + int rlen; + char rdata[10]; + + unit = scd_unit(dev); + if (unit >= NSCD) + return ENXIO; + + cd = scd_data + unit; + part = scd_part(dev); + phys = scd_phys(dev); + + if (!(cd->flags & SCDINIT) || !cd->openflags) + return ENXIO; + + (void)do_cmd(unit, SCD_SPIN_DOWN_CMD, (char *)0, 0, rdata, &rlen); + cd->flags &= ~SCDSPINNING; + + kdc_scd[unit].kdc_state = DC_IDLE; + + /* close channel */ + cd->openflags = 0; + + return 0; +} + +void +scdstrategy(struct buf *bp) +{ + struct scd_data *cd; + struct buf *qp; + int s; + int unit = scd_unit(bp->b_dev); + + cd = scd_data + unit; + + /* test validity */ +#if DEBUG > 1 + printf("scd%d: DEBUG: strategy: block=%ld, bcount=%ld\n", unit, bp->b_blkno, bp->b_bcount); +#endif + if (unit >= NSCD || bp->b_blkno < 0 || (bp->b_bcount % SCDBLKSIZE)) { + printf("scd%d: strategy failure: blkno = %d, bcount = %d\n", + unit, bp->b_blkno, bp->b_bcount); + bp->b_error = EINVAL; + bp->b_flags |= B_ERROR; + goto bad; + } + + /* if device invalidated (e.g. media change, door open), error */ + if (!(cd->flags & SCDVALID)) { + printf("scd%d: media changed\n", unit); + bp->b_error = EIO; + goto bad; + } + + /* read only */ + if (!(bp->b_flags & B_READ)) { + bp->b_error = EROFS; + goto bad; + } + + /* no data to read */ + if (bp->b_bcount == 0) + goto done; + + if (!(cd->flags & SCDTOC)) { + bp->b_error = EIO; + goto bad; + } + /* adjust transfer if necessary */ + if (bounds_check_with_label(bp,&cd->dlabel,1) <= 0) + goto done; + + bp->b_pblkno = bp->b_blkno; + bp->b_resid = 0; + + /* queue it */ + qp = &cd->head; + s = splbio(); + disksort(qp,bp); + splx(s); + + /* now check whether we can perform processing */ + scd_start(unit); + return; + +bad: + bp->b_flags |= B_ERROR; +done: + bp->b_resid = bp->b_bcount; + biodone(bp); + return; +} + +static void +scd_start(int unit) +{ + struct scd_data *cd = scd_data + unit; + struct buf *bp, *qp = &cd->head; + struct partition *p; + int part; + register s = splbio(); + + if (cd->flags & SCDMBXBSY) { + splx(s); + return; + } + + if ((bp = qp->b_actf) != 0) { + /* block found to process, dequeue */ + qp->b_actf = bp->b_actf; /* changed from: bp->av_forw <se> */ + cd->flags |= SCDMBXBSY; + splx(s); + } else { + /* nothing to do */ + splx(s); + return; + } + + p = cd->dlabel.d_partitions + scd_part(bp->b_dev); + + cd->mbx.unit = unit; + cd->mbx.port = cd->iobase; + cd->mbx.retry = 3; + cd->mbx.bp = bp; + cd->mbx.p_offset = p->p_offset; + splx(s); + + scd_doread(SCD_S_BEGIN,&(cd->mbx)); + return; +} + +int +scdioctl(dev_t dev, int cmd, caddr_t addr, int flags) +{ + struct scd_data *cd; + int unit,part; + + unit = scd_unit(dev); + part = scd_part(dev); + cd = scd_data + unit; + +#if DEBUG + printf("scd%d: ioctl: cmd=0x%lx\n", unit, cmd); +#endif + + if (!(cd->flags & SCDVALID)) + return EIO; + + switch (cmd) { + case DIOCSBAD: + return EINVAL; + case DIOCGDINFO: + *(struct disklabel *)addr = cd->dlabel; + return 0; + case DIOCGPART: + ((struct partinfo *)addr)->disklab = &cd->dlabel; + ((struct partinfo *)addr)->part = + &cd->dlabel.d_partitions[0]; + return 0; + case CDIOCPLAYTRACKS: + return scd_playtracks(unit, (struct ioc_play_track *) addr); + case CDIOCPLAYBLOCKS: + return EINVAL; + case CDIOCPLAYMSF: + return scd_playmsf(unit, (struct ioc_play_msf *) addr); + case CDIOCREADSUBCHANNEL: + return scd_subchan(unit, (struct ioc_read_subchannel *) addr); + case CDIOREADTOCHEADER: + case CDIOREADTOCENTRYS: + case CDIOCSETPATCH: + case CDIOCGETVOL: + case CDIOCSETVOL: + case CDIOCSETMONO: + case CDIOCSETSTERIO: + case CDIOCSETMUTE: + case CDIOCSETLEFT: + case CDIOCSETRIGHT: + return EINVAL; + case CDIOCRESUME: +/* return scd_resume(unit); */ + case CDIOCPAUSE: +/* return scd_pause(unit); */ + case CDIOCSTART: + return EINVAL; + case CDIOCSTOP: + return scd_stop(unit); + case CDIOCEJECT: + return scd_eject(unit); + case CDIOCALLOW: + return 0; + default: + printf("scd%d: unsupported ioctl (cmd=0x%lx)\n", unit, cmd); + return ENOTTY; + } +} + +/*************************************************************** + * lower level of driver starts here + **************************************************************/ + +static int +scd_playtracks(int unit, struct ioc_play_track *pt) +{ + struct scd_data *cd = scd_data + unit; + struct ioc_play_msf msf; + int a = pt->start_track; + int z = pt->end_track; + int rc, i; + + if (!(cd->flags & SCDTOC) && (rc = read_toc(unit)) != 0) { + print_error(unit, rc); + return EIO; + } + +#if DEBUG + printf("scd%d: playtracks from %d:%d to %d:%d\n", unit, + a, pt->start_index, z, pt->end_index); +#endif + + if ( a < cd->first_track + || a > cd->last_track + || a > z + || z > cd->last_track) + return EINVAL; + + for (i = 0; i < 3; i++) { + ((char *)&msf.start_m)[i] = bcd2bin(cd->toc[a].start_msf[i]); + ((char *)&msf.end_m)[i] = bcd2bin(cd->toc[z+1].start_msf[i]); + } + return scd_playmsf(unit, &msf); +} + +static int +scd_playmsf(int unit, struct ioc_play_msf *msf) +{ + struct scd_data *cd = scd_data + unit; + unsigned char sdata[10]; + unsigned char rdata[10]; + int rlen, rc; + + sdata[0] = 0x03; + sdata[1] = bin2bcd(msf->start_m); + sdata[2] = bin2bcd(msf->start_s); + sdata[3] = bin2bcd(msf->start_f); + sdata[4] = bin2bcd(msf->end_m); + sdata[5] = bin2bcd(msf->end_s); + sdata[6] = bin2bcd(msf->end_f); + +#if DEBUG + printf("scd%d: playmsf: %02d:%02d:%02d -> %02d:%02d:%02d\n", unit, + msf->start_m, msf->start_s, msf->start_f, + msf->end_m, msf->end_s, msf->end_f); +#endif + + if ((rc = do_cmd(unit, SCD_AUDIO_PLAYBACK_CMD, sdata, 7, rdata, &rlen)) != 0) { + print_error(unit, rc); + return EIO; + } + cd->audio_status = CD_AS_PLAY_IN_PROGRESS; + return 0; +} + +static int +scd_stop(int unit) +{ + struct scd_data *cd = scd_data + unit; + char rdata[10]; + int rlen; + + (void)do_cmd(unit, SCD_AUDIO_STOP_CMD, (char *)0, 0, rdata, &rlen); + cd->audio_status = CD_AS_PLAY_COMPLETED; + return 0; +} + +static int +scd_eject(int unit) +{ + struct scd_data *cd = scd_data + unit; + int port = cd->iobase; + char rdata[10]; + int rlen; + + (void)do_cmd(unit, SCD_AUDIO_STOP_CMD, (char *)0, 0, rdata, &rlen); + (void)do_cmd(unit, SCD_SPIN_DOWN_CMD, (char *)0, 0, rdata, &rlen); + cd->flags &= ~(SCDSPINNING|SCDTOC); + if (do_cmd(unit, SCD_EJECT_CMD, (char *)0, 0, rdata, &rlen) != 0) + return EIO; + return 0; +} + +static int +scd_subchan(int unit, struct ioc_read_subchannel *sc) +{ + struct scd_data *cd = scd_data + unit; + struct s_sony_subcode q; + struct cd_sub_channel_info data; + +#if DEBUG + printf("scd%d: subchan af=%d, df=%d\n", unit, + sc->address_format, + sc->data_format); +#endif + + if (sc->address_format != CD_MSF_FORMAT) + return EINVAL; + + if (sc->data_format != CD_CURRENT_POSITION) + return EINVAL; + + if (read_subcode(unit, &q) != 0) + return EIO; + + data.header.audio_status = cd->audio_status; + data.what.position.data_format = CD_MSF_FORMAT; + data.what.position.track_number = bcd2bin(q.track_num); + data.what.position.reladdr.msf.unused = 0; + data.what.position.reladdr.msf.minute = bcd2bin(q.rel_msf[0]); + data.what.position.reladdr.msf.second = bcd2bin(q.rel_msf[1]); + data.what.position.reladdr.msf.frame = bcd2bin(q.rel_msf[2]); + data.what.position.absaddr.msf.unused = 0; + data.what.position.absaddr.msf.minute = bcd2bin(q.abs_msf[0]); + data.what.position.absaddr.msf.second = bcd2bin(q.abs_msf[1]); + data.what.position.absaddr.msf.frame = bcd2bin(q.abs_msf[2]); + + if (copyout(&data, sc->data, min(sizeof(struct cd_sub_channel_info), sc->data_len))!=0) + return EFAULT; + return 0; +} + +/* check to see if a Sony CD-ROM is attached to the ISA bus */ + +static void +get_drive_configuration(unsigned short unit, + unsigned char res_reg[], + unsigned int *res_size) +{ + unsigned port = scd_data[unit].iobase; + int retry_count = 10000; + + outb(port + SCD_CONTROL_REG, SCD_DRIVE_RESET_BIT); /* reset drive */ + + while ((retry_count-- > 0) && (!IS_ATTENTION(port))) + DELAY(10); + + /* If I use a shorter delay, I get a timeout in get_result() */ + /* I guess there is a better way, but I don't have the manuals */ + DELAY(500000); + + (void)do_cmd(unit, SCD_REQ_DRIVE_CONFIG_CMD, + NULL, + 0, + (unsigned char *) res_reg, + res_size); + return; +} + +int +scd_probe(struct isa_device *dev) +{ + struct s_sony_drive_config drive_config; + int unit = dev->id_unit; + unsigned int res_size; + int i; + static char buf[8+16+8+3]; + char *s = buf; + + scd_data[unit].flags = SCDPROBING; + scd_data[unit].iobase = dev->id_iobase; + + bzero(&drive_config, sizeof(drive_config)); + get_drive_configuration(unit, drive_config.exec_status, &res_size); + + if (res_size < sizeof(drive_config) + || (drive_config.exec_status[0] & 0xf0) != 0x00) + { + return 0; + } + + bcopy(drive_config.vendor_id, buf, 8); + s = buf+8; + while (*(s-1) == ' ') + s--; + *s++ = ' '; + bcopy(drive_config.product_id, s, 16); + s += 16; + while (*(s-1) == ' ') + s--; + *s++ = ' '; + bcopy(drive_config.product_rev_level, s, 8); + s += 8; + while (*(s-1) == ' ') + s--; + *s = 0; + + scd_data[unit].name = buf; + + if (SONY_HWC_DOUBLE_SPEED(drive_config)) + scd_data[unit].double_speed = 1; + else + scd_data[unit].double_speed = 0; + + return 4; +} + +static int +read_subcode(int unit, struct s_sony_subcode *sc) +{ + int rlen; + + if (do_cmd(unit, SCD_REQ_SUBCODE_ADDRESS_CMD, + (char *)0, 0, sc->exec_status, &rlen) != 0) + return EIO; + return 0; +} + +/* State machine copied from mcd.c /Micke */ + +/* state machine to process read requests + * initialize with SCD_S_BEGIN: reset state machine + * SCD_S_WAITSTAT: wait for ready (!busy) + * SCD_S_WAITSPIN: wait for drive to spin up (if not spinning) + * SCD_S_WAITFIFO: wait for param fifo to get ready, them exec. command. + * SCD_S_WAITREAD: wait for data ready, read data + * SCD_S_WAITPARAM: wait for command result params, read them, error if bad data read. + */ + +static struct scd_mbx *mbxsave; + +static void +scd_doread(int state, struct scd_mbx *mbxin) +{ + struct scd_mbx *mbx = (state!=SCD_S_BEGIN) ? mbxsave : mbxin; + int unit = mbx->unit; + int port = mbx->port; + struct buf *bp = mbx->bp; + struct scd_data *cd = scd_data + unit; + + int reg,i,k,c; + int blknum; + caddr_t addr; + char rdata[10]; + static char sdata[3]; /* Must be preserved between calls to this function */ + +loop: + switch (state) { + case SCD_S_BEGIN: + mbx = mbxsave = mbxin; + + case SCD_S_BEGIN1: + /* get status */ + mbx->count = RDELAY_WAIT; + + while (handle_attention(unit)) + ; + goto trystat; + + case SCD_S_WAITSTAT: + untimeout((timeout_func_t)scd_doread,(caddr_t)SCD_S_WAITSTAT); + if (mbx->count-- <= 0) { + printf("scd%d: timeout. drive busy.\n",unit); + goto harderr; + } + +trystat: + if (IS_BUSY(port)) { + timeout((timeout_func_t)scd_doread, + (caddr_t)SCD_S_WAITSTAT,hz/100); /* XXX */ + return; + } + + while (handle_attention(unit)) + ; +#if 0 + /* reject, if audio active */ + if (cd->status & SCDAUDIOBSY) { + printf("scd%d: audio is active\n",unit); + goto readerr; + } +#endif + mbx->sz = cd->blksize; + +firstblock: + /* for first block */ + mbx->nblk = (bp->b_bcount + (mbx->sz-1)) / mbx->sz; + mbx->skip = 0; + +nextblock: + if (!(cd->flags & SCDVALID)) + goto changed; + + blknum = (bp->b_blkno / (mbx->sz/DEV_BSIZE)) + + mbx->p_offset + mbx->skip/mbx->sz; + +#if DEBUG > 1 + printf("scd%d: scd_doread: read blknum=%d\n", unit, blknum); +#endif + /* build parameter block */ + hsg2msf(blknum, sdata); + + write_control(port, SCD_RES_RDY_CLR_BIT); + write_control(port, SCD_PARAM_CLR_BIT); + write_control(port, SCD_DATA_RDY_CLR_BIT); + + if (FIFOST_BIT(port, SCD_PARAM_WRITE_RDY_BIT)) + goto writeparam; + + mbx->count = 100; + timeout((timeout_func_t)scd_doread, + (caddr_t)SCD_S_WAITFIFO,hz/100); /* XXX */ + return; + + case SCD_S_WAITSPIN: + untimeout((timeout_func_t)scd_doread,(caddr_t)SCD_S_WAITSPIN); + if (mbx->count-- <= 0) { + printf("scd%d: timeout waiting for drive to spin up.\n", unit); + goto harderr; + } + if (!STATUS_BIT(port, SCD_RES_RDY_BIT)) { + timeout((timeout_func_t)scd_doread, + (caddr_t)SCD_S_WAITSPIN,hz/100); /* XXX */ + return; + } + write_control(port, SCD_RES_RDY_CLR_BIT); + switch ((i = inb(port+SCD_RESULT_REG)) & 0xf0) { + case 0x20: + i = inb(port+SCD_RESULT_REG); + print_error(unit, i); + goto harderr; + case 0x00: + (void)inb(port+SCD_RESULT_REG); + cd->flags |= SCDSPINNING; + break; + } +#if DEBUG + printf("scd%d: DEBUG: spin up complete\n", unit); +#endif + state = SCD_S_BEGIN1; + goto loop; + + case SCD_S_WAITFIFO: + untimeout((timeout_func_t)scd_doread,(caddr_t)SCD_S_WAITFIFO); + if (mbx->count-- <= 0) { + printf("scd%d: timeout. write param not ready.\n",unit); + goto harderr; + } + if (!FIFOST_BIT(port, SCD_PARAM_WRITE_RDY_BIT)) { + timeout((timeout_func_t)scd_doread, + (caddr_t)SCD_S_WAITFIFO,hz/100); /* XXX */ + return; + } +#if DEBUG + printf("scd%d: mbx->count (writeparamwait) = %d(%d)\n", unit, mbx->count, 100); +#endif + +writeparam: + /* The reason this test isn't done 'till now is to make sure */ + /* that it is ok to send the SPIN_UP command below */ + if (!(cd->flags & SCDSPINNING)) { + +#if DEBUG + printf("scd%d: spinning up drive ...\n", unit); +#endif + outb(port+SCD_CMD_REG, SCD_SPIN_UP_CMD); + mbx->count = 300; + timeout((timeout_func_t)scd_doread, + (caddr_t)SCD_S_WAITSPIN,hz/100); /* XXX */ + return; + } + + reg = port + SCD_PARAM_REG; + /* send the read command */ + disable_intr(); + outb(reg, sdata[0]); + outb(reg, sdata[1]); + outb(reg, sdata[2]); + outb(reg, 0); + outb(reg, 0); + outb(reg, 1); + outb(port+SCD_CMD_REG, SCD_READ_BLKERR_STAT_CMD); + enable_intr(); + + mbx->count = RDELAY_WAITREAD; + for (i = 0; i < 50; i++) { + if (STATUS_BIT(port, SCD_DATA_RDY_BIT)) + goto got_data; + DELAY(100); + } + + timeout((timeout_func_t)scd_doread, + (caddr_t)SCD_S_WAITREAD,hz/100); /* XXX */ + return; + + case SCD_S_WAITREAD: + untimeout((timeout_func_t)scd_doread,(caddr_t)SCD_S_WAITREAD); + if (mbx->count-- <= 0) { + if (STATUS_BIT(port, SCD_RES_RDY_BIT)) + goto got_param; + printf("scd%d: timeout while reading data\n",unit); + goto readerr; + } + if (!STATUS_BIT(port, SCD_DATA_RDY_BIT)) { + while (handle_attention(unit)) + ; + if (!(cd->flags & SCDVALID)) + goto changed; + timeout((timeout_func_t)scd_doread, + (caddr_t)SCD_S_WAITREAD,hz/100); /* XXX */ + return; + } + +#if DEBUG > 1 + printf("scd%d: mbx->count (after RDY_BIT) = %d(%d)\n", unit, mbx->count, RDELAY_WAITREAD); +#endif + +got_data: + /* data is ready */ + addr = bp->b_un.b_addr + mbx->skip; + write_control(port, SCD_DATA_RDY_CLR_BIT); + insb(port+SCD_READ_REG, addr, mbx->sz); + + mbx->count = 100; + for (i = 0; i < 20; i++) { + if (STATUS_BIT(port, SCD_RES_RDY_BIT)) + goto waitfor_param; + DELAY(100); + } + goto waitfor_param; + + case SCD_S_WAITPARAM: + untimeout((timeout_func_t)scd_doread,(caddr_t)SCD_S_WAITPARAM); + if (mbx->count-- <= 0) { + printf("scd%d: timeout waiting for params\n",unit); + goto readerr; + } + +waitfor_param: + if (!STATUS_BIT(port, SCD_RES_RDY_BIT)) { + timeout((timeout_func_t)scd_doread, + (caddr_t)SCD_S_WAITPARAM,hz/100); /* XXX */ + return; + } +#if DEBUG + if (mbx->count < 100) + printf("scd%d: mbx->count (paramwait) = %d(%d)\n", unit, mbx->count, 100); +#endif + +got_param: + write_control(port, SCD_RES_RDY_CLR_BIT); + switch ((i = inb(port+SCD_RESULT_REG)) & 0xf0) { + case 0x50: + switch (i) { + case SONY_UNREC_CIRC_ERR: + case SONY_UNREC_LECC_ERR: + printf("scd%d: unrecoverable read error 0x%x\n", unit, i); + goto harderr; + } + break; + case 0x20: + i = inb(port+SCD_RESULT_REG); + switch (i) { + case SONY_NOT_SPIN_ERR: +#if DEBUG + printf("scd%d: read error: drive not spinning\n", unit); +#endif + if (mbx->retry-- > 0) { + state = SCD_S_BEGIN1; + cd->flags &= ~SCDSPINNING; + goto loop; + } + goto harderr; + default: + print_error(unit, i); + goto readerr; + } + case 0x00: + i = inb(port+SCD_RESULT_REG); + break; + } + + if (--mbx->nblk > 0) { + mbx->skip += mbx->sz; + goto nextblock; + } + + /* return buffer */ + bp->b_resid = 0; + biodone(bp); + + cd->flags &= ~SCDMBXBSY; + scd_start(mbx->unit); + return; + } + +readerr: + if (mbx->retry-- > 0) { + printf("scd%d: retrying ...\n",unit); + state = SCD_S_BEGIN1; + goto loop; + } +harderr: + /* invalidate the buffer */ + bp->b_error = EIO; + bp->b_flags |= B_ERROR; + bp->b_resid = bp->b_bcount; + biodone(bp); + + cd->flags &= ~SCDMBXBSY; + scd_start(mbx->unit); + return; + +changed: + printf("scd%d: media changed\n", unit); + goto harderr; +} + +int +scdsize(dev_t dev) +{ + return -1; +} +#endif /* NSCD > 0 */ diff --git a/sys/gnu/i386/scdreg.h b/sys/gnu/i386/scdreg.h new file mode 100644 index 0000000..76a25c5 --- /dev/null +++ b/sys/gnu/i386/scdreg.h @@ -0,0 +1,283 @@ +/*- + * 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 + * conditions of redistribution therefore apply: + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#ifndef SCD_H +#define SCD_H + +#ifdef __GNUC__ +#if __GNUC__ >= 2 +#pragma pack(1) +#endif +#endif + +typedef unsigned char bcd_t; +#define M_msf(msf) msf[0] +#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 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 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 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 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 SCD_AUDIO_PLAYBACK_CMD 0x40 +#define SCD_AUDIO_STOP_CMD 0x41 +#define SCD_AUDIO_SCAN_CMD 0x42 + +#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 + + +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 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]; +}; + +#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]; +}; + +#endif /* SCD_H */ |
