/* $NetBSD: auvia.c,v 1.84.2.1 2020/03/21 15:31:50 martin Exp $ */ /*- * Copyright (c) 2000, 2008 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 / VT8233 / VT8235 Southbridge Audio Driver * * Documentation links: * * ftp://ftp.alsa-project.org/pub/manuals/via/686a.pdf * ftp://ftp.alsa-project.org/pub/manuals/general/ac97r21.pdf * ftp://ftp.alsa-project.org/pub/manuals/ad/AD1881_0.pdf (example AC'97 codec) */ #include __KERNEL_RCSID(0, "$NetBSD: auvia.c,v 1.84.2.1 2020/03/21 15:31:50 martin Exp $"); #include #include #include #include #include #include #include #include #include #include #include #define AUVIA_MINBLKSZ 512 struct auvia_dma { struct auvia_dma *next; void *addr; size_t size; bus_dmamap_t map; bus_dma_segment_t seg; }; struct auvia_dma_op { uint32_t ptr; uint32_t flags; #define AUVIA_DMAOP_EOL 0x80000000 #define AUVIA_DMAOP_FLAG 0x40000000 #define AUVIA_DMAOP_STOP 0x20000000 #define AUVIA_DMAOP_COUNT(x) ((x)&0x00FFFFFF) }; static int auvia_match(device_t, cfdata_t, void *); static void auvia_attach(device_t, device_t, void *); static int auvia_detach(device_t, int); static void auvia_childdet(device_t, device_t); static int auvia_open(void *, int); static void auvia_close(void *); static int auvia_query_format(void *, audio_format_query_t *); static void auvia_set_format_sub(struct auvia_softc *, struct auvia_softc_chan *, const audio_params_t *); static int auvia_set_format(void *, int, const audio_params_t *, const audio_params_t *, audio_filter_reg_t *, audio_filter_reg_t *); static int auvia_round_blocksize(void *, int, int, const audio_params_t *); static int auvia_halt_output(void *); static int auvia_halt_input(void *); static int auvia_getdev(void *, struct audio_device *); static int auvia_set_port(void *, mixer_ctrl_t *); static int auvia_get_port(void *, mixer_ctrl_t *); static int auvia_query_devinfo(void *, mixer_devinfo_t *); static void * auvia_malloc(void *, int, size_t); static void auvia_free(void *, void *, size_t); static int auvia_get_props(void *); static int auvia_build_dma_ops(struct auvia_softc *, struct auvia_softc_chan *, struct auvia_dma *, void *, void *, int); static int auvia_trigger_output(void *, void *, void *, int, void (*)(void *), void *, const audio_params_t *); static int auvia_trigger_input(void *, void *, void *, int, void (*)(void *), void *, const audio_params_t *); static void auvia_get_locks(void *, kmutex_t **, kmutex_t **); static bool auvia_resume(device_t, const pmf_qual_t *); static int auvia_intr(void *); static void * auvia_malloc_dmamem(void *, int, size_t); static int auvia_malloc_channel(struct auvia_softc *, struct auvia_softc_chan *, size_t); static int auvia_attach_codec(void *, struct ac97_codec_if *); static int auvia_write_codec(void *, uint8_t, uint16_t); static int auvia_read_codec(void *, uint8_t, uint16_t *); static int auvia_reset_codec(void *); static int auvia_waitready_codec(struct auvia_softc *); static int auvia_waitvalid_codec(struct auvia_softc *); static void auvia_spdif_event(void *, bool); CFATTACH_DECL2_NEW(auvia, sizeof (struct auvia_softc), auvia_match, auvia_attach, auvia_detach, NULL, NULL, auvia_childdet); /* VIA VT823xx revision number */ #define VIA_REV_8233PRE 0x10 #define VIA_REV_8233C 0x20 #define VIA_REV_8233 0x30 #define VIA_REV_8233A 0x40 #define VIA_REV_8235 0x50 #define VIA_REV_8237 0x60 #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 static const struct audio_hw_if auvia_hw_if = { .open = auvia_open, .close = auvia_close, .query_format = auvia_query_format, .set_format = auvia_set_format, .round_blocksize = auvia_round_blocksize, .halt_output = auvia_halt_output, .halt_input = auvia_halt_input, .getdev = auvia_getdev, .set_port = auvia_set_port, .get_port = auvia_get_port, .query_devinfo = auvia_query_devinfo, .allocm = auvia_malloc, .freem = auvia_free, .get_props = auvia_get_props, .trigger_output = auvia_trigger_output, .trigger_input = auvia_trigger_input, .get_locks = auvia_get_locks, }; #define AUVIA_FORMATS_4CH 2 #define AUVIA_FORMATS_6CH 3 #define AUVIA_FORMAT(aumode, ch, chmask) \ { \ .mode = (aumode), \ .encoding = AUDIO_ENCODING_SLINEAR_LE, \ .validbits = 16, \ .precision = 16, \ .channels = (ch), \ .channel_mask = (chmask), \ .frequency_type = 0, \ .frequency = { 4000, 48000 }, \ } static const struct audio_format auvia_formats[AUVIA_NFORMATS] = { AUVIA_FORMAT(AUMODE_PLAY | AUMODE_RECORD, 1, AUFMT_MONAURAL), AUVIA_FORMAT(AUMODE_PLAY | AUMODE_RECORD, 2, AUFMT_STEREO), AUVIA_FORMAT(AUMODE_PLAY , 4, AUFMT_SURROUND4), AUVIA_FORMAT(AUMODE_PLAY , 6, AUFMT_DOLBY_5_1), }; #define AUVIA_SPDIF_NFORMATS 1 static const struct audio_format auvia_spdif_formats[AUVIA_SPDIF_NFORMATS] = { { .mode = AUMODE_PLAY, .encoding = AUDIO_ENCODING_SLINEAR_LE, .validbits = 16, .precision = 16, .channels = 2, .channel_mask = AUFMT_STEREO, .frequency_type = 1, .frequency = { 48000 }, }, }; static int auvia_match(device_t parent, cfdata_t match, void *aux) { struct pci_attach_args *pa; pa = (struct pci_attach_args *) aux; if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_VIATECH) return 0; switch (PCI_PRODUCT(pa->pa_id)) { case PCI_PRODUCT_VIATECH_VT82C686A_AC97: case PCI_PRODUCT_VIATECH_VT8233_AC97: break; default: return 0; } return 1; } static void auvia_childdet(device_t self, device_t child) { /* we hold no child references, so do nothing */ } static int auvia_detach(device_t self, int flags) { int rc; struct auvia_softc *sc = device_private(self); if ((rc = config_detach_children(self, flags)) != 0) return rc; pmf_device_deregister(self); mutex_enter(&sc->sc_lock); if (sc->codec_if != NULL) sc->codec_if->vtbl->detach(sc->codec_if); mutex_exit(&sc->sc_lock); /* XXX restore compatibility? */ if (sc->sc_ih != NULL) pci_intr_disestablish(sc->sc_pc, sc->sc_ih); bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize); if (sc->sc_play.sc_dma_ops != NULL) { auvia_free(sc, sc->sc_play.sc_dma_ops, sc->sc_play.sc_dma_op_count * sizeof(struct auvia_dma_op)); } if (sc->sc_record.sc_dma_ops != NULL) { auvia_free(sc, sc->sc_record.sc_dma_ops, sc->sc_play.sc_dma_op_count * sizeof(struct auvia_dma_op)); } mutex_destroy(&sc->sc_lock); mutex_destroy(&sc->sc_intr_lock); return 0; } static void auvia_attach(device_t parent, device_t self, void *aux) { struct pci_attach_args *pa; struct auvia_softc *sc; const char *intrstr; pci_chipset_tag_t pc; pcitag_t pt; pci_intr_handle_t ih; pcireg_t pr; int r; const char *revnum; /* VT823xx revision number */ char intrbuf[PCI_INTRSTR_LEN]; pa = aux; sc = device_private(self); sc->sc_dev = self; intrstr = NULL; pc = pa->pa_pc; pt = pa->pa_tag; revnum = NULL; aprint_naive(": Audio controller\n"); 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, &sc->sc_iosize)) { aprint_error(": can't map i/o space\n"); return; } sc->sc_dmat = pa->pa_dmat; sc->sc_pc = pc; sc->sc_pt = pt; r = PCI_REVISION(pa->pa_class); if (sc->sc_flags & AUVIA_FLAGS_VT8233) { snprintf(sc->sc_revision, sizeof(sc->sc_revision), "0x%02X", r); switch(r) { case VIA_REV_8233PRE: /* same as 8233, but should not be in the market */ revnum = "3-Pre"; break; case VIA_REV_8233C: /* 2 rec, 4 pb, 1 multi-pb */ revnum = "3C"; break; case VIA_REV_8233: /* 2 rec, 4 pb, 1 multi-pb, spdif */ revnum = "3"; break; case VIA_REV_8233A: /* 1 rec, 1 multi-pb, spdif */ revnum = "3A"; break; default: break; } if (r >= VIA_REV_8237) revnum = "7"; else if (r >= VIA_REV_8235) /* 2 rec, 4 pb, 1 multi-pb, spdif */ revnum = "5"; aprint_normal(": VIA Technologies VT823%s AC'97 Audio " "(rev %s)\n", revnum, sc->sc_revision); } else { sc->sc_revision[1] = '\0'; if (r == 0x20) { sc->sc_revision[0] = 'H'; } else if ((r >= 0x10) && (r <= 0x14)) { sc->sc_revision[0] = 'A' + (r - 0x10); } else { snprintf(sc->sc_revision, sizeof(sc->sc_revision), "0x%02X", r); } aprint_normal(": VIA Technologies VT82C686A AC'97 Audio " "(rev %s)\n", sc->sc_revision); } if (pci_intr_map(pa, &ih)) { aprint_error(": couldn't map interrupt\n"); bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize); return; } intrstr = pci_intr_string(pc, ih, intrbuf, sizeof(intrbuf)); mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE); mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO); sc->sc_ih = pci_intr_establish_xname(pc, ih, IPL_AUDIO, auvia_intr, sc, device_xname(self)); if (sc->sc_ih == NULL) { aprint_error_dev(sc->sc_dev, "couldn't establish interrupt"); if (intrstr != NULL) aprint_error(" at %s", intrstr); aprint_error("\n"); bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize); mutex_destroy(&sc->sc_lock); mutex_destroy(&sc->sc_intr_lock); return; } aprint_normal_dev(sc->sc_dev, "interrupting at %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->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, self, &sc->sc_lock)) != 0) { aprint_error_dev(sc->sc_dev, "can't attach codec (error 0x%X)\n", r); pci_intr_disestablish(pc, sc->sc_ih); bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize); mutex_destroy(&sc->sc_lock); mutex_destroy(&sc->sc_intr_lock); return; } /* setup audio_format */ memcpy(sc->sc_formats, auvia_formats, sizeof(auvia_formats)); mutex_enter(&sc->sc_lock); if (sc->sc_play.sc_base != VIA8233_MP_BASE || !AC97_IS_4CH(sc->codec_if)) { AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_4CH]); } if (sc->sc_play.sc_base != VIA8233_MP_BASE || !AC97_IS_6CH(sc->codec_if)) { AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_6CH]); } if (AC97_IS_FIXED_RATE(sc->codec_if)) { for (r = 0; r < AUVIA_NFORMATS; r++) { sc->sc_formats[r].frequency_type = 1; sc->sc_formats[r].frequency[0] = 48000; } } mutex_exit(&sc->sc_lock); if (!pmf_device_register(self, NULL, auvia_resume)) aprint_error_dev(self, "couldn't establish power handler\n"); audio_attach_mi(&auvia_hw_if, sc, sc->sc_dev); mutex_enter(&sc->sc_lock); sc->codec_if->vtbl->unlock(sc->codec_if); mutex_exit(&sc->sc_lock); return; } static int auvia_attach_codec(void *addr, struct ac97_codec_if *cif) { struct auvia_softc *sc; sc = addr; sc->codec_if = cif; return 0; } static int auvia_reset_codec(void *addr) { struct auvia_softc *sc; pcireg_t r; int i; /* perform a codec cold reset */ sc = addr; 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", device_xname(sc->sc_dev)); return ETIMEDOUT; } return 0; } static 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", device_xname(sc->sc_dev)); return 1; } return 0; } static 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", device_xname(sc->sc_dev)); return 1; } return 0; } static int auvia_write_codec(void *addr, u_int8_t reg, u_int16_t val) { struct auvia_softc *sc; 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; } static int auvia_read_codec(void *addr, u_int8_t reg, u_int16_t *val) { struct auvia_softc *sc; 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; } static void auvia_spdif_event(void *addr, bool flag) { struct auvia_softc *sc; sc = addr; sc->sc_spdif = flag; } static int auvia_open(void *addr, int flags) { struct auvia_softc *sc; sc = (struct auvia_softc *)addr; mutex_spin_exit(&sc->sc_intr_lock); sc->codec_if->vtbl->lock(sc->codec_if); mutex_spin_enter(&sc->sc_intr_lock); return 0; } static void auvia_close(void *addr) { struct auvia_softc *sc; sc = (struct auvia_softc *)addr; mutex_spin_exit(&sc->sc_intr_lock); sc->codec_if->vtbl->unlock(sc->codec_if); mutex_spin_enter(&sc->sc_intr_lock); } static int auvia_query_format(void *addr, audio_format_query_t *afp) { struct auvia_softc *sc; sc = (struct auvia_softc *)addr; if (sc->sc_spdif) { return audio_query_format(auvia_spdif_formats, AUVIA_SPDIF_NFORMATS, afp); } else { return audio_query_format(sc->sc_formats, AUVIA_NFORMATS, afp); } } static void auvia_set_format_sub(struct auvia_softc *sc, struct auvia_softc_chan *ch, const audio_params_t *p) { uint32_t v; uint16_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]); } } static int auvia_set_format(void *addr, int setmode, const audio_params_t *play, const audio_params_t *rec, audio_filter_reg_t *pfil, audio_filter_reg_t *rfil) { struct auvia_softc *sc; struct auvia_softc_chan *ch; const struct audio_params *p; struct ac97_codec_if* codec; int reg, mode; int rate; sc = addr; codec = sc->codec_if; /* 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 (!AC97_IS_FIXED_RATE(codec)) { rate = p->sample_rate; if (codec->vtbl->set_rate(codec, reg, &rate)) return EINVAL; reg = AC97_REG_PCM_SURR_DAC_RATE; rate = p->sample_rate; if (p->channels >= 4 && codec->vtbl->set_rate(codec, reg, &rate)) return EINVAL; reg = AC97_REG_PCM_LFE_DAC_RATE; rate = p->sample_rate; if (p->channels == 6 && codec->vtbl->set_rate(codec, reg, &rate)) return EINVAL; } auvia_set_format_sub(sc, ch, p); } return 0; } static int auvia_round_blocksize(void *addr, int blk, int mode, const audio_params_t *param) { struct auvia_softc *sc; sc = addr; /* XXX VT823x might have the limitation of dma_ops size */ if (sc->sc_flags & AUVIA_FLAGS_VT8233 && blk < 288) blk = 288; return (blk & -32); } static int auvia_halt_output(void *addr) { struct auvia_softc *sc; struct auvia_softc_chan *ch; sc = addr; ch = &(sc->sc_play); CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE); ch->sc_intr = NULL; return 0; } static int auvia_halt_input(void *addr) { struct auvia_softc *sc; struct auvia_softc_chan *ch; sc = addr; ch = &(sc->sc_record); CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE); ch->sc_intr = NULL; return 0; } static int auvia_getdev(void *addr, struct audio_device *retp) { struct auvia_softc *sc; if (retp) { sc = addr; if (sc->sc_flags & AUVIA_FLAGS_VT8233) { strncpy(retp->name, "VIA VT823x", sizeof(retp->name)); } else { strncpy(retp->name, "VIA VT82C686A", sizeof(retp->name)); } strncpy(retp->version, sc->sc_revision, sizeof(retp->version)); strncpy(retp->config, "auvia", sizeof(retp->config)); } return 0; } static int auvia_set_port(void *addr, mixer_ctrl_t *cp) { struct auvia_softc *sc; sc = addr; return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp); } static int auvia_get_port(void *addr, mixer_ctrl_t *cp) { struct auvia_softc *sc; sc = addr; return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp); } static int auvia_query_devinfo(void *addr, mixer_devinfo_t *dip) { struct auvia_softc *sc; sc = addr; return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip); } static int auvia_malloc_channel(struct auvia_softc *sc, struct auvia_softc_chan *ch, size_t size) { struct auvia_dma *dp; int segs; /* if old list is large enough, nothing to do */ segs = (size + AUVIA_MINBLKSZ - 1) / AUVIA_MINBLKSZ; if (segs <= ch->sc_dma_op_count) { return 0; } if (ch->sc_dma_ops) { auvia_free(sc, ch->sc_dma_ops, ch->sc_dma_op_count * sizeof(*dp)); } ch->sc_dma_ops = auvia_malloc_dmamem(sc, 0, sizeof(struct auvia_dma_op) * segs); if (ch->sc_dma_ops == NULL) { aprint_error_dev(sc->sc_dev, "couldn't build dmaops\n"); return ENOMEM; } for (dp = sc->sc_dmas; dp && dp->addr != (void *)(ch->sc_dma_ops); dp = dp->next) continue; if (!dp) panic("%s: build_dma_ops: where'd my memory go??? " "address (%p)\n", device_xname(sc->sc_dev), ch->sc_dma_ops); ch->sc_dma_op_count = segs; ch->sc_dma_ops_dma = dp; return 0; } static void * auvia_malloc_dmamem(void *addr, int direction, size_t size) { struct auvia_softc *sc; struct auvia_dma *p; int error; int rseg; p = kmem_alloc(sizeof(*p), KM_SLEEP); sc = addr; p->size = size; if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg, 1, &rseg, BUS_DMA_WAITOK)) != 0) { aprint_error_dev(sc->sc_dev, "unable to allocate DMA, error = %d\n", error); goto fail_alloc; } if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr, BUS_DMA_WAITOK | BUS_DMA_COHERENT)) != 0) { aprint_error_dev(sc->sc_dev, "unable to map DMA, error = %d\n", error); goto fail_map; } if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0, BUS_DMA_WAITOK, &p->map)) != 0) { aprint_error_dev(sc->sc_dev, "unable to create DMA map, error = %d\n", error); goto fail_create; } if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL, BUS_DMA_WAITOK)) != 0) { aprint_error_dev(sc->sc_dev, "unable to load DMA map, error = %d\n", 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: kmem_free(p, sizeof(*p)); return NULL; } static void * auvia_malloc(void *addr, int direction, size_t size) { struct auvia_softc *sc; void *p; sc = addr; p = auvia_malloc_dmamem(addr, direction, size); if (p == NULL) { return NULL; } if (auvia_malloc_channel(sc, &sc->sc_play, size) != 0) { auvia_free(addr, p, size); return NULL; } if (auvia_malloc_channel(sc, &sc->sc_record, size) != 0) { auvia_free(addr, p, size); return NULL; } return p; } static void auvia_free(void *addr, void *ptr, size_t size) { struct auvia_softc *sc; struct auvia_dma **pp, *p; sc = addr; 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; kmem_free(p, sizeof(*p)); return; } panic("auvia_free: trying to free unallocated memory"); } static int auvia_get_props(void *addr) { return AUDIO_PROP_PLAYBACK | AUDIO_PROP_CAPTURE | AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX; } static void auvia_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread) { struct auvia_softc *sc; sc = addr; *intr = &sc->sc_intr_lock; *thread = &sc->sc_lock; } static 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; bus_addr_t s; size_t l; op = ch->sc_dma_ops; s = p->map->dm_segs[0].ds_addr; l = ((char *)end - (char *)start); while (l) { op->ptr = htole32(s); l = l - blksize; if (!l) { /* if last block */ op->flags = htole32(AUVIA_DMAOP_EOL | blksize); } else { op->flags = htole32(AUVIA_DMAOP_FLAG | blksize); } s += blksize; op++; } return 0; } static int auvia_trigger_output(void *addr, void *start, void *end, int blksize, void (*intr)(void *), void *arg, const audio_params_t *param) { struct auvia_softc *sc; struct auvia_softc_chan *ch; struct auvia_dma *p; sc = addr; ch = &(sc->sc_play); for (p = sc->sc_dmas; p && p->addr != start; p = p->next) continue; 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); 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); } return 0; } static int auvia_trigger_input(void *addr, void *start, void *end, int blksize, void (*intr)(void *), void *arg, const audio_params_t *param) { struct auvia_softc *sc; struct auvia_softc_chan *ch; struct auvia_dma *p; sc = addr; ch = &(sc->sc_record); for (p = sc->sc_dmas; p && p->addr != start; p = p->next) continue; 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); if (sc->sc_flags & AUVIA_FLAGS_VT8233) { 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); } return 0; } static int auvia_intr(void *arg) { struct auvia_softc *sc; struct auvia_softc_chan *ch; u_int8_t r; int rval; sc = arg; rval = 0; ch = &sc->sc_record; mutex_spin_enter(&sc->sc_intr_lock); 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); rval = 1; } 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); rval = 1; } mutex_spin_exit(&sc->sc_intr_lock); return rval; } static bool auvia_resume(device_t dv, const pmf_qual_t *qual) { struct auvia_softc *sc = device_private(dv); mutex_enter(&sc->sc_lock); mutex_spin_enter(&sc->sc_intr_lock); auvia_reset_codec(sc); DELAY(1000); mutex_spin_exit(&sc->sc_intr_lock); (sc->codec_if->vtbl->restore_ports)(sc->codec_if); mutex_exit(&sc->sc_lock); return true; }