/*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright (c) 1999 Cameron Grant * Copyright (c) 1997,1998 Luigi Rizzo * * Derived from files in the Voxware 3.5 distribution, * Copyright by Hannu Savolainen 1994, under the same copyright * conditions. * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS 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. */ #ifdef HAVE_KERNEL_OPTION_HEADERS #include "opt_snd.h" #endif #include #include #include #include #include "mixer_if.h" SND_DECLARE_FILE(""); #define SB_DEFAULT_BUFSZ 4096 static u_int32_t sb_fmt[] = { SND_FORMAT(AFMT_U8, 1, 0), 0 }; static struct pcmchan_caps sb200_playcaps = {4000, 23000, sb_fmt, 0}; static struct pcmchan_caps sb200_reccaps = {4000, 13000, sb_fmt, 0}; static struct pcmchan_caps sb201_playcaps = {4000, 44100, sb_fmt, 0}; static struct pcmchan_caps sb201_reccaps = {4000, 15000, sb_fmt, 0}; static u_int32_t sbpro_fmt[] = { SND_FORMAT(AFMT_U8, 1, 0), SND_FORMAT(AFMT_U8, 2, 0), 0 }; static struct pcmchan_caps sbpro_playcaps = {4000, 44100, sbpro_fmt, 0}; static struct pcmchan_caps sbpro_reccaps = {4000, 44100, sbpro_fmt, 0}; struct sb_info; struct sb_chinfo { struct sb_info *parent; struct pcm_channel *channel; struct snd_dbuf *buffer; int dir; u_int32_t fmt, spd, blksz; }; struct sb_info { device_t parent_dev; struct resource *io_base; /* I/O address for the board */ struct resource *irq; struct resource *drq; void *ih; bus_dma_tag_t parent_dmat; unsigned int bufsize; int bd_id; u_long bd_flags; /* board-specific flags */ struct sb_chinfo pch, rch; }; static int sb_rd(struct sb_info *sb, int reg); static void sb_wr(struct sb_info *sb, int reg, u_int8_t val); static int sb_dspready(struct sb_info *sb); static int sb_cmd(struct sb_info *sb, u_char val); static int sb_cmd1(struct sb_info *sb, u_char cmd, int val); static int sb_cmd2(struct sb_info *sb, u_char cmd, int val); static u_int sb_get_byte(struct sb_info *sb); static void sb_setmixer(struct sb_info *sb, u_int port, u_int value); static int sb_getmixer(struct sb_info *sb, u_int port); static int sb_reset_dsp(struct sb_info *sb); static void sb_intr(void *arg); static int sb_speed(struct sb_chinfo *ch); static int sb_start(struct sb_chinfo *ch); static int sb_stop(struct sb_chinfo *ch); /* * Common code for the midi and pcm functions * * sb_cmd write a single byte to the CMD port. * sb_cmd1 write a CMD + 1 byte arg * sb_cmd2 write a CMD + 2 byte arg * sb_get_byte returns a single byte from the DSP data port */ static void sb_lock(struct sb_info *sb) { sbc_lock(device_get_softc(sb->parent_dev)); } static void sb_unlock(struct sb_info *sb) { sbc_unlock(device_get_softc(sb->parent_dev)); } static int port_rd(struct resource *port, int off) { return bus_space_read_1(rman_get_bustag(port), rman_get_bushandle(port), off); } static void port_wr(struct resource *port, int off, u_int8_t data) { bus_space_write_1(rman_get_bustag(port), rman_get_bushandle(port), off, data); } static int sb_rd(struct sb_info *sb, int reg) { return port_rd(sb->io_base, reg); } static void sb_wr(struct sb_info *sb, int reg, u_int8_t val) { port_wr(sb->io_base, reg, val); } static int sb_dspready(struct sb_info *sb) { return ((sb_rd(sb, SBDSP_STATUS) & 0x80) == 0); } static int sb_dspwr(struct sb_info *sb, u_char val) { int i; for (i = 0; i < 1000; i++) { if (sb_dspready(sb)) { sb_wr(sb, SBDSP_CMD, val); return 1; } if (i > 10) DELAY((i > 100)? 1000 : 10); } printf("sb_dspwr(0x%02x) timed out.\n", val); return 0; } static int sb_cmd(struct sb_info *sb, u_char val) { #if 0 printf("sb_cmd: %x\n", val); #endif return sb_dspwr(sb, val); } static int sb_cmd1(struct sb_info *sb, u_char cmd, int val) { #if 0 printf("sb_cmd1: %x, %x\n", cmd, val); #endif if (sb_dspwr(sb, cmd)) { return sb_dspwr(sb, val & 0xff); } else return 0; } static int sb_cmd2(struct sb_info *sb, u_char cmd, int val) { #if 0 printf("sb_cmd2: %x, %x\n", cmd, val); #endif if (sb_dspwr(sb, cmd)) { return sb_dspwr(sb, val & 0xff) && sb_dspwr(sb, (val >> 8) & 0xff); } else return 0; } /* * in the SB, there is a set of indirect "mixer" registers with * address at offset 4, data at offset 5 * * we don't need to interlock these, the mixer lock will suffice. */ static void sb_setmixer(struct sb_info *sb, u_int port, u_int value) { sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */ DELAY(10); sb_wr(sb, SB_MIX_DATA, (u_char) (value & 0xff)); DELAY(10); } static int sb_getmixer(struct sb_info *sb, u_int port) { int val; sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */ DELAY(10); val = sb_rd(sb, SB_MIX_DATA); DELAY(10); return val; } static u_int sb_get_byte(struct sb_info *sb) { int i; for (i = 1000; i > 0; i--) { if (sb_rd(sb, DSP_DATA_AVAIL) & 0x80) return sb_rd(sb, DSP_READ); else DELAY(20); } return 0xffff; } static int sb_reset_dsp(struct sb_info *sb) { sb_wr(sb, SBDSP_RST, 3); DELAY(100); sb_wr(sb, SBDSP_RST, 0); if (sb_get_byte(sb) != 0xAA) { DEB(printf("sb_reset_dsp 0x%lx failed\n", rman_get_start(sb->io_base))); return ENXIO; /* Sorry */ } return 0; } static void sb_release_resources(struct sb_info *sb, device_t dev) { if (sb->irq) { if (sb->ih) bus_teardown_intr(dev, sb->irq, sb->ih); bus_release_resource(dev, SYS_RES_IRQ, 0, sb->irq); sb->irq = NULL; } if (sb->drq) { isa_dma_release(rman_get_start(sb->drq)); bus_release_resource(dev, SYS_RES_DRQ, 0, sb->drq); sb->drq = NULL; } if (sb->io_base) { bus_release_resource(dev, SYS_RES_IOPORT, 0, sb->io_base); sb->io_base = NULL; } if (sb->parent_dmat) { bus_dma_tag_destroy(sb->parent_dmat); sb->parent_dmat = 0; } free(sb, M_DEVBUF); } static int sb_alloc_resources(struct sb_info *sb, device_t dev) { int rid; rid = 0; if (!sb->io_base) sb->io_base = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE); rid = 0; if (!sb->irq) sb->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); rid = 0; if (!sb->drq) sb->drq = bus_alloc_resource_any(dev, SYS_RES_DRQ, &rid, RF_ACTIVE); if (sb->io_base && sb->drq && sb->irq) { isa_dma_acquire(rman_get_start(sb->drq)); isa_dmainit(rman_get_start(sb->drq), sb->bufsize); return 0; } else return ENXIO; } /************************************************************/ static int sbpromix_init(struct snd_mixer *m) { struct sb_info *sb = mix_getdevinfo(m); mix_setdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD | SOUND_MASK_VOLUME); mix_setrecdevs(m, SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD); sb_setmixer(sb, 0, 1); /* reset mixer */ return 0; } static int sbpromix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right) { struct sb_info *sb = mix_getdevinfo(m); int reg, max; u_char val; max = 7; switch (dev) { case SOUND_MIXER_PCM: reg = 0x04; break; case SOUND_MIXER_MIC: reg = 0x0a; max = 3; break; case SOUND_MIXER_VOLUME: reg = 0x22; break; case SOUND_MIXER_SYNTH: reg = 0x26; break; case SOUND_MIXER_CD: reg = 0x28; break; case SOUND_MIXER_LINE: reg = 0x2e; break; default: return -1; } left = (left * max) / 100; right = (dev == SOUND_MIXER_MIC)? left : ((right * max) / 100); val = (dev == SOUND_MIXER_MIC)? (left << 1) : (left << 5 | right << 1); sb_setmixer(sb, reg, val); left = (left * 100) / max; right = (right * 100) / max; return left | (right << 8); } static u_int32_t sbpromix_setrecsrc(struct snd_mixer *m, u_int32_t src) { struct sb_info *sb = mix_getdevinfo(m); u_char recdev; if (src == SOUND_MASK_LINE) recdev = 0x06; else if (src == SOUND_MASK_CD) recdev = 0x02; else { /* default: mic */ src = SOUND_MASK_MIC; recdev = 0; } sb_setmixer(sb, RECORD_SRC, recdev | (sb_getmixer(sb, RECORD_SRC) & ~0x07)); return src; } static kobj_method_t sbpromix_mixer_methods[] = { KOBJMETHOD(mixer_init, sbpromix_init), KOBJMETHOD(mixer_set, sbpromix_set), KOBJMETHOD(mixer_setrecsrc, sbpromix_setrecsrc), KOBJMETHOD_END }; MIXER_DECLARE(sbpromix_mixer); /************************************************************/ static int sbmix_init(struct snd_mixer *m) { struct sb_info *sb = mix_getdevinfo(m); mix_setdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_CD | SOUND_MASK_VOLUME); mix_setrecdevs(m, 0); sb_setmixer(sb, 0, 1); /* reset mixer */ return 0; } static int sbmix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right) { struct sb_info *sb = mix_getdevinfo(m); int reg, max; max = 7; switch (dev) { case SOUND_MIXER_VOLUME: reg = 0x2; break; case SOUND_MIXER_SYNTH: reg = 0x6; break; case SOUND_MIXER_CD: reg = 0x8; break; case SOUND_MIXER_PCM: reg = 0x0a; max = 3; break; default: return -1; } left = (left * max) / 100; sb_setmixer(sb, reg, left << 1); left = (left * 100) / max; return left | (left << 8); } static u_int32_t sbmix_setrecsrc(struct snd_mixer *m, u_int32_t src) { return 0; } static kobj_method_t sbmix_mixer_methods[] = { KOBJMETHOD(mixer_init, sbmix_init), KOBJMETHOD(mixer_set, sbmix_set), KOBJMETHOD(mixer_setrecsrc, sbmix_setrecsrc), KOBJMETHOD_END }; MIXER_DECLARE(sbmix_mixer); /************************************************************/ static void sb_intr(void *arg) { struct sb_info *sb = (struct sb_info *)arg; sb_lock(sb); if (sndbuf_runsz(sb->pch.buffer) > 0) { sb_unlock(sb); chn_intr(sb->pch.channel); sb_lock(sb); } if (sndbuf_runsz(sb->rch.buffer) > 0) { sb_unlock(sb); chn_intr(sb->rch.channel); sb_lock(sb); } sb_rd(sb, DSP_DATA_AVAIL); /* int ack */ sb_unlock(sb); } static int sb_speed(struct sb_chinfo *ch) { struct sb_info *sb = ch->parent; int play = (ch->dir == PCMDIR_PLAY)? 1 : 0; int stereo = (AFMT_CHANNEL(ch->fmt) > 1)? 1 : 0; int speed, tmp, thresh, max; u_char tconst; if (sb->bd_id >= 0x300) { thresh = stereo? 11025 : 23000; max = stereo? 22050 : 44100; } else if (sb->bd_id > 0x200) { thresh = play? 23000 : 13000; max = play? 44100 : 15000; } else { thresh = 999999; max = play? 23000 : 13000; } speed = ch->spd; if (speed > max) speed = max; sb_lock(sb); sb->bd_flags &= ~BD_F_HISPEED; if (speed > thresh) sb->bd_flags |= BD_F_HISPEED; tmp = 65536 - (256000000 / (speed << stereo)); tconst = tmp >> 8; sb_cmd1(sb, 0x40, tconst); /* set time constant */ speed = (256000000 / (65536 - tmp)) >> stereo; ch->spd = speed; sb_unlock(sb); return speed; } static int sb_start(struct sb_chinfo *ch) { struct sb_info *sb = ch->parent; int play = (ch->dir == PCMDIR_PLAY)? 1 : 0; int stereo = (AFMT_CHANNEL(ch->fmt) > 1)? 1 : 0; int l = ch->blksz; u_char i; l--; sb_lock(sb); if (play) sb_cmd(sb, DSP_CMD_SPKON); if (sb->bd_flags & BD_F_HISPEED) i = play? 0x90 : 0x98; else i = play? 0x1c : 0x2c; sb_setmixer(sb, 0x0e, stereo? 2 : 0); sb_cmd2(sb, 0x48, l); sb_cmd(sb, i); sb->bd_flags |= BD_F_DMARUN; sb_unlock(sb); return 0; } static int sb_stop(struct sb_chinfo *ch) { struct sb_info *sb = ch->parent; int play = (ch->dir == PCMDIR_PLAY)? 1 : 0; sb_lock(sb); if (sb->bd_flags & BD_F_HISPEED) sb_reset_dsp(sb); else { #if 0 /* * NOTE: DSP_CMD_DMAEXIT_8 does not work with old * soundblaster. */ sb_cmd(sb, DSP_CMD_DMAEXIT_8); #endif sb_reset_dsp(sb); } if (play) sb_cmd(sb, DSP_CMD_SPKOFF); /* speaker off */ sb_unlock(sb); sb->bd_flags &= ~BD_F_DMARUN; return 0; } /* channel interface */ static void * sbchan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir) { struct sb_info *sb = devinfo; struct sb_chinfo *ch = (dir == PCMDIR_PLAY)? &sb->pch : &sb->rch; ch->parent = sb; ch->channel = c; ch->dir = dir; ch->buffer = b; if (sndbuf_alloc(ch->buffer, sb->parent_dmat, 0, sb->bufsize) != 0) return NULL; sndbuf_dmasetup(ch->buffer, sb->drq); return ch; } static int sbchan_setformat(kobj_t obj, void *data, u_int32_t format) { struct sb_chinfo *ch = data; ch->fmt = format; return 0; } static u_int32_t sbchan_setspeed(kobj_t obj, void *data, u_int32_t speed) { struct sb_chinfo *ch = data; ch->spd = speed; return sb_speed(ch); } static u_int32_t sbchan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize) { struct sb_chinfo *ch = data; ch->blksz = blocksize; return ch->blksz; } static int sbchan_trigger(kobj_t obj, void *data, int go) { struct sb_chinfo *ch = data; if (!PCMTRIG_COMMON(go)) return 0; sndbuf_dma(ch->buffer, go); if (go == PCMTRIG_START) sb_start(ch); else sb_stop(ch); return 0; } static u_int32_t sbchan_getptr(kobj_t obj, void *data) { struct sb_chinfo *ch = data; return sndbuf_dmaptr(ch->buffer); } static struct pcmchan_caps * sbchan_getcaps(kobj_t obj, void *data) { struct sb_chinfo *ch = data; int p = (ch->dir == PCMDIR_PLAY)? 1 : 0; if (ch->parent->bd_id == 0x200) return p? &sb200_playcaps : &sb200_reccaps; if (ch->parent->bd_id < 0x300) return p? &sb201_playcaps : &sb201_reccaps; return p? &sbpro_playcaps : &sbpro_reccaps; } static kobj_method_t sbchan_methods[] = { KOBJMETHOD(channel_init, sbchan_init), KOBJMETHOD(channel_setformat, sbchan_setformat), KOBJMETHOD(channel_setspeed, sbchan_setspeed), KOBJMETHOD(channel_setblocksize, sbchan_setblocksize), KOBJMETHOD(channel_trigger, sbchan_trigger), KOBJMETHOD(channel_getptr, sbchan_getptr), KOBJMETHOD(channel_getcaps, sbchan_getcaps), KOBJMETHOD_END }; CHANNEL_DECLARE(sbchan); /************************************************************/ static int sb_probe(device_t dev) { char buf[64]; uintptr_t func, ver, f; /* The parent device has already been probed. */ BUS_READ_IVAR(device_get_parent(dev), dev, 0, &func); if (func != SCF_PCM) return (ENXIO); BUS_READ_IVAR(device_get_parent(dev), dev, 1, &ver); f = (ver & 0xffff0000) >> 16; ver &= 0x0000ffff; if ((f & BD_F_ESS) || (ver >= 0x400)) return (ENXIO); snprintf(buf, sizeof buf, "SB DSP %d.%02d", (int) ver >> 8, (int) ver & 0xff); device_set_desc_copy(dev, buf); return 0; } static int sb_attach(device_t dev) { struct sb_info *sb; char status[SND_STATUSLEN]; uintptr_t ver; gone_in_dev(dev, 14, "ISA sound driver"); sb = malloc(sizeof(*sb), M_DEVBUF, M_WAITOK | M_ZERO); sb->parent_dev = device_get_parent(dev); BUS_READ_IVAR(device_get_parent(dev), dev, 1, &ver); sb->bd_id = ver & 0x0000ffff; sb->bd_flags = (ver & 0xffff0000) >> 16; sb->bufsize = pcm_getbuffersize(dev, 4096, SB_DEFAULT_BUFSZ, 65536); if (sb_alloc_resources(sb, dev)) goto no; if (sb_reset_dsp(sb)) goto no; if (mixer_init(dev, (sb->bd_id < 0x300)? &sbmix_mixer_class : &sbpromix_mixer_class, sb)) goto no; if (snd_setup_intr(dev, sb->irq, 0, sb_intr, sb, &sb->ih)) goto no; pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX); if (bus_dma_tag_create(/*parent*/bus_get_dma_tag(dev), /*alignment*/2, /*boundary*/0, /*lowaddr*/BUS_SPACE_MAXADDR_24BIT, /*highaddr*/BUS_SPACE_MAXADDR, /*filter*/NULL, /*filterarg*/NULL, /*maxsize*/sb->bufsize, /*nsegments*/1, /*maxsegz*/0x3ffff, /*flags*/0, /*lockfunc*/busdma_lock_mutex, /*lockarg*/&Giant, &sb->parent_dmat) != 0) { device_printf(dev, "unable to create dma tag\n"); goto no; } snprintf(status, SND_STATUSLEN, "at io 0x%jx irq %jd drq %jd bufsz %u %s", rman_get_start(sb->io_base), rman_get_start(sb->irq), rman_get_start(sb->drq), sb->bufsize, PCM_KLDSTRING(snd_sb8)); if (pcm_register(dev, sb, 1, 1)) goto no; pcm_addchan(dev, PCMDIR_REC, &sbchan_class, sb); pcm_addchan(dev, PCMDIR_PLAY, &sbchan_class, sb); pcm_setstatus(dev, status); return 0; no: sb_release_resources(sb, dev); return ENXIO; } static int sb_detach(device_t dev) { int r; struct sb_info *sb; r = pcm_unregister(dev); if (r) return r; sb = pcm_getdevinfo(dev); sb_release_resources(sb, dev); return 0; } static device_method_t sb_methods[] = { /* Device interface */ DEVMETHOD(device_probe, sb_probe), DEVMETHOD(device_attach, sb_attach), DEVMETHOD(device_detach, sb_detach), { 0, 0 } }; static driver_t sb_driver = { "pcm", sb_methods, PCM_SOFTC_SIZE, }; DRIVER_MODULE(snd_sb8, sbc, sb_driver, pcm_devclass, 0, 0); MODULE_DEPEND(snd_sb8, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER); MODULE_DEPEND(snd_sb8, snd_sbc, 1, 1, 1); MODULE_VERSION(snd_sb8, 1);