/* $OpenBSD: auvia.c,v 1.66 2022/10/26 20:19:08 kn Exp $ */ /* $NetBSD: auvia.c,v 1.28 2002/11/04 16:38:49 kent Exp $ */ /*- * Copyright (c) 2000 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Tyler C. Sarna * * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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. */ /* * VIA Technologies VT82C686A Southbridge Audio Driver * * Documentation links: * * ftp://ftp.alsa-project.org/pub/manuals/via/686a.pdf */ #include #include #include #include #include #include #include #include #include #include struct auvia_dma { struct auvia_dma *next; caddr_t addr; size_t size; bus_dmamap_t map; bus_dma_segment_t seg; }; struct auvia_dma_op { u_int32_t ptr; u_int32_t flags; #define AUVIA_DMAOP_EOL 0x80000000 #define AUVIA_DMAOP_FLAG 0x40000000 #define AUVIA_DMAOP_STOP 0x20000000 #define AUVIA_DMAOP_COUNT(x) ((x)&0x00FFFFFF) }; int auvia_match(struct device *, void *, void *); void auvia_attach(struct device *, struct device *, void *); int auvia_open(void *, int); void auvia_close(void *); void auvia_set_params_sub(struct auvia_softc *, struct auvia_softc_chan *, struct audio_params *); int auvia_set_params(void *, int, int, struct audio_params *, struct audio_params *); int auvia_round_blocksize(void *, int); int auvia_halt_output(void *); int auvia_halt_input(void *); int auvia_set_port(void *, mixer_ctrl_t *); int auvia_get_port(void *, mixer_ctrl_t *); int auvia_query_devinfo(void *, mixer_devinfo_t *); void * auvia_malloc(void *, int, size_t, int, int); void auvia_free(void *, void *, int); size_t auvia_round_buffersize(void *, int, size_t); int auvia_build_dma_ops(struct auvia_softc *, struct auvia_softc_chan *, struct auvia_dma *, void *, void *, int); int auvia_trigger_output(void *, void *, void *, int, void (*)(void *), void *, struct audio_params *); int auvia_trigger_input(void *, void *, void *, int, void (*)(void *), void *, struct audio_params *); int auvia_intr(void *); int auvia_activate(struct device *, int); struct cfdriver auvia_cd = { NULL, "auvia", DV_DULL }; const struct cfattach auvia_ca = { sizeof (struct auvia_softc), auvia_match, auvia_attach, NULL, auvia_activate }; #define AUVIA_PCICONF_JUNK 0x40 #define AUVIA_PCICONF_ENABLES 0x00FF0000 /* reg 42 mask */ #define AUVIA_PCICONF_ACLINKENAB 0x00008000 /* ac link enab */ #define AUVIA_PCICONF_ACNOTRST 0x00004000 /* ~(ac reset) */ #define AUVIA_PCICONF_ACSYNC 0x00002000 /* ac sync */ #define AUVIA_PCICONF_ACVSR 0x00000800 /* var. samp. rate */ #define AUVIA_PCICONF_ACSGD 0x00000400 /* SGD enab */ #define AUVIA_PCICONF_ACFM 0x00000200 /* FM enab */ #define AUVIA_PCICONF_ACSB 0x00000100 /* SB enab */ #define AUVIA_PCICONF_PRIVALID 0x00000001 /* primary codec rdy */ #define AUVIA_PLAY_BASE 0x00 #define AUVIA_RECORD_BASE 0x10 /* *_RP_* are offsets from AUVIA_PLAY_BASE or AUVIA_RECORD_BASE */ #define AUVIA_RP_STAT 0x00 #define AUVIA_RPSTAT_INTR 0x03 #define AUVIA_RP_CONTROL 0x01 #define AUVIA_RPCTRL_START 0x80 #define AUVIA_RPCTRL_TERMINATE 0x40 #define AUVIA_RPCTRL_AUTOSTART 0x20 /* The following are 8233 specific */ #define AUVIA_RPCTRL_STOP 0x04 #define AUVIA_RPCTRL_EOL 0x02 #define AUVIA_RPCTRL_FLAG 0x01 #define AUVIA_RP_MODE 0x02 /* 82c686 specific */ #define AUVIA_RPMODE_INTR_FLAG 0x01 #define AUVIA_RPMODE_INTR_EOL 0x02 #define AUVIA_RPMODE_STEREO 0x10 #define AUVIA_RPMODE_16BIT 0x20 #define AUVIA_RPMODE_AUTOSTART 0x80 #define AUVIA_RP_DMAOPS_BASE 0x04 #define VIA8233_RP_DXS_LVOL 0x02 #define VIA8233_RP_DXS_RVOL 0x03 #define VIA8233_RP_RATEFMT 0x08 #define VIA8233_RATEFMT_48K 0xfffff #define VIA8233_RATEFMT_STEREO 0x00100000 #define VIA8233_RATEFMT_16BIT 0x00200000 #define VIA_RP_DMAOPS_COUNT 0x0c #define VIA8233_MP_BASE 0x40 /* STAT, CONTROL, DMAOPS_BASE, DMAOPS_COUNT are valid */ #define VIA8233_OFF_MP_FORMAT 0x02 #define VIA8233_MP_FORMAT_8BIT 0x00 #define VIA8233_MP_FORMAT_16BIT 0x80 #define VIA8233_MP_FORMAT_CHANNLE_MASK 0x70 /* 1, 2, 4, 6 */ #define VIA8233_OFF_MP_SCRATCH 0x03 #define VIA8233_OFF_MP_STOP 0x08 #define VIA8233_WR_BASE 0x60 #define AUVIA_CODEC_CTL 0x80 #define AUVIA_CODEC_READ 0x00800000 #define AUVIA_CODEC_BUSY 0x01000000 #define AUVIA_CODEC_PRIVALID 0x02000000 #define AUVIA_CODEC_INDEX(x) ((x)<<16) #define CH_WRITE1(sc, ch, off, v) \ bus_space_write_1((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off), v) #define CH_WRITE4(sc, ch, off, v) \ bus_space_write_4((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off), v) #define CH_READ1(sc, ch, off) \ bus_space_read_1((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off)) #define CH_READ4(sc, ch, off) \ bus_space_read_4((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off)) #define TIMEOUT 50 const struct audio_hw_if auvia_hw_if = { .open = auvia_open, .close = auvia_close, .set_params = auvia_set_params, .round_blocksize = auvia_round_blocksize, .halt_output = auvia_halt_output, .halt_input = auvia_halt_input, .set_port = auvia_set_port, .get_port = auvia_get_port, .query_devinfo = auvia_query_devinfo, .allocm = auvia_malloc, .freem = auvia_free, .round_buffersize = auvia_round_buffersize, .trigger_output = auvia_trigger_output, .trigger_input = auvia_trigger_input, }; int auvia_attach_codec(void *, struct ac97_codec_if *); int auvia_write_codec(void *, u_int8_t, u_int16_t); int auvia_read_codec(void *, u_int8_t, u_int16_t *); void auvia_reset_codec(void *); int auvia_waitready_codec(struct auvia_softc *sc); int auvia_waitvalid_codec(struct auvia_softc *sc); void auvia_spdif_event(void *, int); void auvia_resume(struct auvia_softc *); const struct pci_matchid auvia_devices[] = { { PCI_VENDOR_VIATECH, PCI_PRODUCT_VIATECH_VT82C686A_AC97 }, { PCI_VENDOR_VIATECH, PCI_PRODUCT_VIATECH_VT8233_AC97 }, }; int auvia_match(struct device *parent, void *match, void *aux) { return (pci_matchbyid((struct pci_attach_args *)aux, auvia_devices, nitems(auvia_devices))); } int auvia_activate(struct device *self, int act) { struct auvia_softc *sc = (struct auvia_softc *)self; if (act == DVACT_RESUME) auvia_resume(sc); return (config_activate_children(self, act)); } void auvia_attach(struct device *parent, struct device *self, void *aux) { struct pci_attach_args *pa = aux; struct auvia_softc *sc = (struct auvia_softc *) self; const char *intrstr = NULL; struct mixer_ctrl ctl; pci_chipset_tag_t pc = pa->pa_pc; pcitag_t pt = pa->pa_tag; pci_intr_handle_t ih; bus_size_t iosize; pcireg_t pr; int r, i; sc->sc_play.sc_base = AUVIA_PLAY_BASE; sc->sc_record.sc_base = AUVIA_RECORD_BASE; if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_VIATECH_VT8233_AC97) { sc->sc_flags |= AUVIA_FLAGS_VT8233; sc->sc_play.sc_base = VIA8233_MP_BASE; sc->sc_record.sc_base = VIA8233_WR_BASE; } if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot, &sc->sc_ioh, NULL, &iosize, 0)) { printf(": can't map i/o space\n"); return; } sc->sc_dmat = pa->pa_dmat; sc->sc_pc = pc; sc->sc_pt = pt; if (pci_intr_map(pa, &ih)) { printf(": couldn't map interrupt\n"); bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize); return; } intrstr = pci_intr_string(pc, ih); sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO | IPL_MPSAFE, auvia_intr, sc, sc->sc_dev.dv_xname); if (sc->sc_ih == NULL) { printf(": couldn't establish interrupt"); if (intrstr != NULL) printf(" at %s", intrstr); printf("\n"); bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize); return; } printf(": %s\n", intrstr); /* disable SBPro compat & others */ pr = pci_conf_read(pc, pt, AUVIA_PCICONF_JUNK); pr &= ~AUVIA_PCICONF_ENABLES; /* clear compat function enables */ /* XXX what to do about MIDI, FM, joystick? */ pr |= (AUVIA_PCICONF_ACLINKENAB | AUVIA_PCICONF_ACNOTRST | AUVIA_PCICONF_ACVSR | AUVIA_PCICONF_ACSGD); pr &= ~(AUVIA_PCICONF_ACFM | AUVIA_PCICONF_ACSB); pci_conf_write(pc, pt, AUVIA_PCICONF_JUNK, pr); sc->sc_pci_junk = pr; sc->host_if.arg = sc; sc->host_if.attach = auvia_attach_codec; sc->host_if.read = auvia_read_codec; sc->host_if.write = auvia_write_codec; sc->host_if.reset = auvia_reset_codec; sc->host_if.spdif_event = auvia_spdif_event; if ((r = ac97_attach(&sc->host_if)) != 0) { printf("%s: can't attach codec (error 0x%X)\n", sc->sc_dev.dv_xname, r); pci_intr_disestablish(pc, sc->sc_ih); bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize); return; } /* disable mutes */ for (i = 0; i < 4; i++) { static struct { char *class, *device; } d[] = { { AudioCoutputs, AudioNmaster}, { AudioCinputs, AudioNdac}, { AudioCinputs, AudioNcd}, { AudioCrecord, AudioNvolume}, }; ctl.type = AUDIO_MIXER_ENUM; ctl.un.ord = 0; ctl.dev = sc->codec_if->vtbl->get_portnum_by_name(sc->codec_if, d[i].class, d[i].device, AudioNmute); auvia_set_port(sc, &ctl); } /* set a reasonable default volume */ ctl.type = AUDIO_MIXER_VALUE; ctl.un.value.num_channels = 2; ctl.un.value.level[AUDIO_MIXER_LEVEL_LEFT] = \ ctl.un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 199; ctl.dev = sc->codec_if->vtbl->get_portnum_by_name(sc->codec_if, AudioCoutputs, AudioNmaster, NULL); auvia_set_port(sc, &ctl); audio_attach_mi(&auvia_hw_if, sc, NULL, &sc->sc_dev); sc->codec_if->vtbl->unlock(sc->codec_if); } int auvia_attach_codec(void *addr, struct ac97_codec_if *cif) { struct auvia_softc *sc = addr; sc->codec_if = cif; return 0; } void auvia_reset_codec(void *addr) { int i; struct auvia_softc *sc = addr; pcireg_t r; /* perform a codec cold reset */ r = pci_conf_read(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK); r &= ~AUVIA_PCICONF_ACNOTRST; /* enable RESET (active low) */ pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r); delay(2); r |= AUVIA_PCICONF_ACNOTRST; /* disable RESET (inactive high) */ pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r); delay(200); for (i = 500000; i != 0 && !(pci_conf_read(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK) & AUVIA_PCICONF_PRIVALID); i--) DELAY(1); if (i == 0) printf("%s: codec reset timed out\n", sc->sc_dev.dv_xname); } int auvia_waitready_codec(struct auvia_softc *sc) { int i; /* poll until codec not busy */ for (i = 0; (i < TIMEOUT) && (bus_space_read_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL) & AUVIA_CODEC_BUSY); i++) delay(1); if (i >= TIMEOUT) { printf("%s: codec busy\n", sc->sc_dev.dv_xname); return 1; } return 0; } int auvia_waitvalid_codec(struct auvia_softc *sc) { int i; /* poll until codec valid */ for (i = 0; (i < TIMEOUT) && !(bus_space_read_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL) & AUVIA_CODEC_PRIVALID); i++) delay(1); if (i >= TIMEOUT) { printf("%s: codec invalid\n", sc->sc_dev.dv_xname); return 1; } return 0; } int auvia_write_codec(void *addr, u_int8_t reg, u_int16_t val) { struct auvia_softc *sc = addr; if (auvia_waitready_codec(sc)) return 1; bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL, AUVIA_CODEC_PRIVALID | AUVIA_CODEC_INDEX(reg) | val); return 0; } int auvia_read_codec(void *addr, u_int8_t reg, u_int16_t *val) { struct auvia_softc *sc = addr; if (auvia_waitready_codec(sc)) return 1; bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL, AUVIA_CODEC_PRIVALID | AUVIA_CODEC_READ | AUVIA_CODEC_INDEX(reg)); if (auvia_waitready_codec(sc)) return 1; if (auvia_waitvalid_codec(sc)) return 1; *val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL); return 0; } void auvia_spdif_event(void *addr, int flag) { struct auvia_softc *sc = addr; sc->sc_spdif = flag; } int auvia_open(void *addr, int flags) { struct auvia_softc *sc = addr; sc->codec_if->vtbl->lock(sc->codec_if); return 0; } void auvia_close(void *addr) { struct auvia_softc *sc = addr; sc->codec_if->vtbl->unlock(sc->codec_if); /* XXX: already called by audio_close() */ auvia_halt_output(sc); auvia_halt_input(sc); sc->sc_play.sc_intr = NULL; sc->sc_record.sc_intr = NULL; } void auvia_set_params_sub(struct auvia_softc *sc, struct auvia_softc_chan *ch, struct audio_params *p) { u_int32_t v; u_int16_t regval; if (!(sc->sc_flags & AUVIA_FLAGS_VT8233)) { regval = (p->channels == 2 ? AUVIA_RPMODE_STEREO : 0) | (p->precision == 16 ? AUVIA_RPMODE_16BIT : 0) | AUVIA_RPMODE_INTR_FLAG | AUVIA_RPMODE_INTR_EOL | AUVIA_RPMODE_AUTOSTART; ch->sc_reg = regval; } else if (ch->sc_base != VIA8233_MP_BASE) { v = CH_READ4(sc, ch, VIA8233_RP_RATEFMT); v &= ~(VIA8233_RATEFMT_48K | VIA8233_RATEFMT_STEREO | VIA8233_RATEFMT_16BIT); v |= VIA8233_RATEFMT_48K * (p->sample_rate / 20) / (48000 / 20); if (p->channels == 2) v |= VIA8233_RATEFMT_STEREO; if (p->precision == 16) v |= VIA8233_RATEFMT_16BIT; CH_WRITE4(sc, ch, VIA8233_RP_RATEFMT, v); } else { static const u_int32_t slottab[7] = { 0, 0xff000011, 0xff000021, 0, 0xff004321, 0, 0xff436521}; regval = (p->precision == 16 ? VIA8233_MP_FORMAT_16BIT : VIA8233_MP_FORMAT_8BIT) | (p->channels << 4); CH_WRITE1(sc, ch, VIA8233_OFF_MP_FORMAT, regval); CH_WRITE4(sc, ch, VIA8233_OFF_MP_STOP, slottab[p->channels]); } } int auvia_set_params(void *addr, int setmode, int usemode, struct audio_params *play, struct audio_params *rec) { struct auvia_softc *sc = addr; struct auvia_softc_chan *ch; struct audio_params *p; struct ac97_codec_if* codec = sc->codec_if; int reg, mode; u_int16_t ext_id; /* for mode in (RECORD, PLAY) */ for (mode = AUMODE_RECORD; mode != -1; mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) { if ((setmode & mode) == 0) continue; if (mode == AUMODE_PLAY) { p = play; ch = &sc->sc_play; reg = AC97_REG_PCM_FRONT_DAC_RATE; } else { p = rec; ch = &sc->sc_record; reg = AC97_REG_PCM_LR_ADC_RATE; } if (ch->sc_base == VIA8233_MP_BASE && mode == AUMODE_PLAY) { ext_id = codec->vtbl->get_caps(codec); if (p->channels == 1) { /* ok */ } else if (p->channels == 2) { /* ok */ } else if (p->channels == 4 && ext_id & AC97_EXT_AUDIO_SDAC) { /* ok */ } else if (p->channels == 6 && (ext_id & AC97_BITS_6CH) == AC97_BITS_6CH) { /* ok */ } else { p->channels = 2; } } else { if (p->channels > 2) p->channels = 2; } if (p->sample_rate < 4000) p->sample_rate = 4000; if (p->sample_rate > 48000) p->sample_rate = 48000; if (p->precision > 16) p->precision = 16; /* XXX only 16-bit 48kHz slinear_le if s/pdif enabled ? */ if (sc->sc_spdif) { p->sample_rate = 48000; p->precision = 16; p->encoding = AUDIO_ENCODING_SLINEAR_LE; } /* XXX only 16-bit 48kHz slinear_le if s/pdif enabled ? */ if (sc->sc_spdif && ((p->sample_rate != 48000) || (p->precision != 16) || (p->encoding != AUDIO_ENCODING_SLINEAR_LE))) return (EINVAL); if (AC97_IS_FIXED_RATE(codec)) { p->sample_rate = AC97_SINGLE_RATE; } else { if (codec->vtbl->set_rate(codec, reg, &p->sample_rate)) return (EINVAL); if (ch->sc_base == VIA8233_MP_BASE && mode == AUMODE_PLAY) { reg = AC97_REG_PCM_SURR_DAC_RATE; if (p->channels >= 4 && codec->vtbl->set_rate(codec, reg, &p->sample_rate)) return (EINVAL); reg = AC97_REG_PCM_LFE_DAC_RATE; if (p->channels == 6 && codec->vtbl->set_rate(codec, reg, &p->sample_rate)) return (EINVAL); } } switch (p->encoding) { case AUDIO_ENCODING_SLINEAR_LE: if (p->precision != 16) return EINVAL; break; case AUDIO_ENCODING_ULINEAR_LE: case AUDIO_ENCODING_ULINEAR_BE: if (p->precision != 8) return EINVAL; break; default: return (EINVAL); } auvia_set_params_sub(sc, ch, p); p->bps = AUDIO_BPS(p->precision); p->msb = 1; } return 0; } int auvia_round_blocksize(void *addr, int blk) { struct auvia_softc *sc = addr; if (sc->bufsize / blk > AUVIA_DMALIST_MAX) blk = sc->bufsize / AUVIA_DMALIST_MAX + 1; return ((blk + 31) & -32); } int auvia_halt_output(void *addr) { struct auvia_softc *sc = addr; struct auvia_softc_chan *ch = &(sc->sc_play); CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE); ch->sc_intr = NULL; return 0; } int auvia_halt_input(void *addr) { struct auvia_softc *sc = addr; struct auvia_softc_chan *ch = &(sc->sc_record); CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE); ch->sc_intr = NULL; return 0; } int auvia_set_port(void *addr, mixer_ctrl_t *cp) { struct auvia_softc *sc = addr; return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp)); } int auvia_get_port(void *addr, mixer_ctrl_t *cp) { struct auvia_softc *sc = addr; return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp)); } int auvia_query_devinfo(void *addr, mixer_devinfo_t *dip) { struct auvia_softc *sc = addr; return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip)); } void * auvia_malloc(void *addr, int direction, size_t size, int pool, int flags) { struct auvia_softc *sc = addr; struct auvia_dma *p; int error; int rseg; p = malloc(sizeof(*p), pool, flags); if (!p) return 0; p->size = size; if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg, 1, &rseg, BUS_DMA_NOWAIT)) != 0) { printf("%s: unable to allocate dma, error = %d\n", sc->sc_dev.dv_xname, error); goto fail_alloc; } if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr, BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) { printf("%s: unable to map dma, error = %d\n", sc->sc_dev.dv_xname, error); goto fail_map; } if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0, BUS_DMA_NOWAIT, &p->map)) != 0) { printf("%s: unable to create dma map, error = %d\n", sc->sc_dev.dv_xname, error); goto fail_create; } if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL, BUS_DMA_NOWAIT)) != 0) { printf("%s: unable to load dma map, error = %d\n", sc->sc_dev.dv_xname, error); goto fail_load; } p->next = sc->sc_dmas; sc->sc_dmas = p; return p->addr; fail_load: bus_dmamap_destroy(sc->sc_dmat, p->map); fail_create: bus_dmamem_unmap(sc->sc_dmat, p->addr, size); fail_map: bus_dmamem_free(sc->sc_dmat, &p->seg, 1); fail_alloc: free(p, pool, sizeof(*p)); return 0; } void auvia_free(void *addr, void *ptr, int pool) { struct auvia_softc *sc = addr; struct auvia_dma **pp, *p; for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next) if (p->addr == ptr) { bus_dmamap_unload(sc->sc_dmat, p->map); bus_dmamap_destroy(sc->sc_dmat, p->map); bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); bus_dmamem_free(sc->sc_dmat, &p->seg, 1); *pp = p->next; free(p, pool, sizeof(*p)); return; } panic("auvia_free: trying to free unallocated memory"); } size_t auvia_round_buffersize(void *addr, int direction, size_t bufsize) { struct auvia_softc *sc = addr; sc->bufsize = bufsize; return bufsize; } int auvia_build_dma_ops(struct auvia_softc *sc, struct auvia_softc_chan *ch, struct auvia_dma *p, void *start, void *end, int blksize) { struct auvia_dma_op *op; struct auvia_dma *dp; bus_addr_t s; size_t l; int segs; s = p->map->dm_segs[0].ds_addr; l = (vaddr_t)end - (vaddr_t)start; segs = howmany(l, blksize); if (segs > AUVIA_DMALIST_MAX) { panic("%s: build_dma_ops: too many DMA segments", sc->sc_dev.dv_xname); } if (segs > ch->sc_dma_op_count) { /* if old list was too small, free it */ if (ch->sc_dma_ops) auvia_free(sc, ch->sc_dma_ops, M_DEVBUF); ch->sc_dma_ops = auvia_malloc(sc, 0, sizeof(struct auvia_dma_op) * segs, M_DEVBUF, M_WAITOK); for (dp = sc->sc_dmas; dp && dp->addr != (void *)(ch->sc_dma_ops); dp = dp->next) ; if (!dp) panic("%s: build_dma_ops: where'd my memory go??? " "address (%p)", sc->sc_dev.dv_xname, ch->sc_dma_ops); ch->sc_dma_op_count = segs; ch->sc_dma_ops_dma = dp; } op = ch->sc_dma_ops; while (l) { op->ptr = htole32(s); l = l - min(l, blksize); /* if last block */ op->flags = htole32((l? AUVIA_DMAOP_FLAG : AUVIA_DMAOP_EOL) | blksize); s += blksize; op++; } return 0; } int auvia_trigger_output(void *addr, void *start, void *end, int blksize, void (*intr)(void *), void *arg, struct audio_params *param) { struct auvia_softc *sc = addr; struct auvia_softc_chan *ch = &(sc->sc_play); struct auvia_dma *p; for (p = sc->sc_dmas; p && p->addr != start; p = p->next) ; if (!p) panic("auvia_trigger_output: request with bad start " "address (%p)", start); if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) { return 1; } ch->sc_intr = intr; ch->sc_arg = arg; CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE, ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr); mtx_enter(&audio_lock); if (sc->sc_flags & AUVIA_FLAGS_VT8233) { if (ch->sc_base != VIA8233_MP_BASE) { CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0); CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0); } CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART | AUVIA_RPCTRL_STOP | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG); } else { CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg); CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START); } mtx_leave(&audio_lock); return 0; } int auvia_trigger_input(void *addr, void *start, void *end, int blksize, void (*intr)(void *), void *arg, struct audio_params *param) { struct auvia_softc *sc = addr; struct auvia_softc_chan *ch = &(sc->sc_record); struct auvia_dma *p; for (p = sc->sc_dmas; p && p->addr != start; p = p->next) ; if (!p) panic("auvia_trigger_input: request with bad start " "address (%p)", start); if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) return 1; ch->sc_intr = intr; ch->sc_arg = arg; CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE, ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr); mtx_enter(&audio_lock); if (sc->sc_flags & AUVIA_FLAGS_VT8233) { if (ch->sc_base != VIA8233_MP_BASE) { CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0); CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0); } CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART | AUVIA_RPCTRL_STOP | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG); } else { CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg); CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START); } mtx_leave(&audio_lock); return 0; } int auvia_intr(void *arg) { struct auvia_softc *sc = arg; struct auvia_softc_chan *ch; u_int8_t r; int i = 0; mtx_enter(&audio_lock); ch = &sc->sc_record; r = CH_READ1(sc, ch, AUVIA_RP_STAT); if (r & AUVIA_RPSTAT_INTR) { if (sc->sc_record.sc_intr) sc->sc_record.sc_intr(sc->sc_record.sc_arg); /* clear interrupts */ CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR); i++; } ch = &sc->sc_play; r = CH_READ1(sc, ch, AUVIA_RP_STAT); if (r & AUVIA_RPSTAT_INTR) { if (sc->sc_play.sc_intr) sc->sc_play.sc_intr(sc->sc_play.sc_arg); /* clear interrupts */ CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR); i++; } mtx_leave(&audio_lock); return (i? 1 : 0); } void auvia_resume(struct auvia_softc *sc) { pci_conf_read(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK); pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, sc->sc_pci_junk); ac97_resume(&sc->host_if, sc->codec_if); }