/* $NetBSD: cmpci.c,v 1.5 2000/12/28 22:59:11 sommerfeld Exp $ */ /* * Copyright (c) 2000 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Takuya SHIOZAKI . * * 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. * */ /* * C-Media CMI8x38 Audio Chip Support. * * TODO: * - Legacy MPU, OPL and Joystick support (but, I have no interest...) * - SPDIF support. * * ACKNOWLEDGEMENT: * - Lennart Augustsson : He touched up this code. * */ #undef CMPCI_SPDIF_SUPPORT /* XXX: not working */ #if defined(AUDIO_DEBUG) || defined(DEBUG) #define DPRINTF(x) printf x #else #define DPRINTF(x) #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* * Low-level HW interface */ static __inline uint8_t cmpci_mixerreg_read __P((struct cmpci_softc *, uint8_t)); static __inline void cmpci_mixerreg_write __P((struct cmpci_softc *, uint8_t, uint8_t)); static __inline void cmpci_reg_partial_write_4 __P((struct cmpci_softc *, int, int, uint32_t, uint32_t)); static __inline void cmpci_reg_set_4 __P((struct cmpci_softc *, int, uint32_t)); static __inline void cmpci_reg_clear_4 __P((struct cmpci_softc *, int, uint32_t)); static int cmpci_rate_to_index __P((int)); static __inline int cmpci_index_to_rate __P((int)); static __inline int cmpci_index_to_divider __P((int)); static int cmpci_adjust __P((int, int)); static void cmpci_set_mixer_gain __P((struct cmpci_softc *, int)); static int cmpci_set_in_ports __P((struct cmpci_softc *, int)); /* * autoconf interface */ static int cmpci_match __P((struct device *, struct cfdata *, void *)); static void cmpci_attach __P((struct device *, struct device *, void *)); struct cfattach cmpci_ca = { sizeof (struct cmpci_softc), cmpci_match, cmpci_attach }; /* interrupt */ static int cmpci_intr __P((void *)); /* * DMA stuffs */ static int cmpci_alloc_dmamem __P((struct cmpci_softc *, size_t, int, int, caddr_t *)); static int cmpci_free_dmamem __P((struct cmpci_softc *, caddr_t, int)); static struct cmpci_dmanode * cmpci_find_dmamem __P((struct cmpci_softc *, caddr_t)); /* * interface to machine independent layer */ static int cmpci_open __P((void *, int)); static void cmpci_close __P((void *)); static int cmpci_query_encoding __P((void *, struct audio_encoding *)); static int cmpci_set_params __P((void *, int, int, struct audio_params *, struct audio_params *)); static int cmpci_round_blocksize __P((void *, int)); static int cmpci_halt_output __P((void *)); static int cmpci_halt_input __P((void *)); static int cmpci_getdev __P((void *, struct audio_device *)); static int cmpci_set_port __P((void *, mixer_ctrl_t *)); static int cmpci_get_port __P((void *, mixer_ctrl_t *)); static int cmpci_query_devinfo __P((void *, mixer_devinfo_t *)); static void *cmpci_allocm __P((void *, int, size_t, int, int)); static void cmpci_freem __P((void *, void *, int)); static size_t cmpci_round_buffersize __P((void *, int, size_t)); static paddr_t cmpci_mappage __P((void *, void *, off_t, int)); static int cmpci_get_props __P((void *)); static int cmpci_trigger_output __P((void *, void *, void *, int, void (*)(void *), void *, struct audio_params *)); static int cmpci_trigger_input __P((void *, void *, void *, int, void (*)(void *), void *, struct audio_params *)); static struct audio_hw_if cmpci_hw_if = { cmpci_open, /* open */ cmpci_close, /* close */ NULL, /* drain */ cmpci_query_encoding, /* query_encoding */ cmpci_set_params, /* set_params */ cmpci_round_blocksize, /* round_blocksize */ NULL, /* commit_settings */ NULL, /* init_output */ NULL, /* init_input */ NULL, /* start_output */ NULL, /* start_input */ cmpci_halt_output, /* halt_output */ cmpci_halt_input, /* halt_input */ NULL, /* speaker_ctl */ cmpci_getdev, /* getdev */ NULL, /* setfd */ cmpci_set_port, /* set_port */ cmpci_get_port, /* get_port */ cmpci_query_devinfo, /* query_devinfo */ cmpci_allocm, /* allocm */ cmpci_freem, /* freem */ cmpci_round_buffersize,/* round_buffersize */ cmpci_mappage, /* mappage */ cmpci_get_props, /* get_props */ cmpci_trigger_output, /* trigger_output */ cmpci_trigger_input /* trigger_input */ }; /* * Low-level HW interface */ /* mixer register read/write */ static __inline uint8_t cmpci_mixerreg_read(sc, no) struct cmpci_softc *sc; uint8_t no; { uint8_t ret; bus_space_write_1(sc->sc_iot, sc->sc_ioh, CMPCI_REG_SBADDR, no); delay(10); ret = bus_space_read_1(sc->sc_iot, sc->sc_ioh, CMPCI_REG_SBDATA); delay(10); return ret; } static __inline void cmpci_mixerreg_write(sc, no, val) struct cmpci_softc *sc; uint8_t no, val; { bus_space_write_1(sc->sc_iot, sc->sc_ioh, CMPCI_REG_SBADDR, no); delay(10); bus_space_write_1(sc->sc_iot, sc->sc_ioh, CMPCI_REG_SBDATA, val); delay(10); } /* register partial write */ static __inline void cmpci_reg_partial_write_4(sc, no, shift, mask, val) struct cmpci_softc *sc; int no, shift; uint32_t mask, val; { bus_space_write_4(sc->sc_iot, sc->sc_ioh, no, (val<sc_iot, sc->sc_ioh, no) & ~(mask<sc_iot, sc->sc_ioh, no, (bus_space_read_4(sc->sc_iot, sc->sc_ioh, no) | mask)); delay(10); } static __inline void cmpci_reg_clear_4(sc, no, mask) struct cmpci_softc *sc; int no; uint32_t mask; { bus_space_write_4(sc->sc_iot, sc->sc_ioh, no, (bus_space_read_4(sc->sc_iot, sc->sc_ioh, no) & ~mask)); delay(10); } /* rate */ static struct { int rate; int divider; } cmpci_rate_table[CMPCI_REG_NUMRATE] = { #define _RATE(n) { n, CMPCI_REG_RATE_ ## n } _RATE(5512), _RATE(8000), _RATE(11025), _RATE(16000), _RATE(22050), _RATE(32000), _RATE(44100), _RATE(48000) #undef _RATE }; static int cmpci_rate_to_index(rate) int rate; { int i; for (i = 0; i < CMPCI_REG_NUMRATE - 2; i++) if (rate <= (cmpci_rate_table[i].rate+cmpci_rate_table[i+1].rate) / 2) return i; return i; /* 48000 */ } static __inline int cmpci_index_to_rate(index) int index; { return cmpci_rate_table[index].rate; } static __inline int cmpci_index_to_divider(index) int index; { return cmpci_rate_table[index].divider; } /* * interface to configure the device. */ static int cmpci_match(parent, match, aux) struct device *parent; struct cfdata *match; void *aux; { struct pci_attach_args *pa = (struct pci_attach_args *)aux; if ( PCI_VENDOR(pa->pa_id) == PCI_VENDOR_CMEDIA && (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_CMEDIA_CMI8338A || PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_CMEDIA_CMI8338B || PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_CMEDIA_CMI8738) ) return 1; return 0; } static void cmpci_attach(parent, self, aux) struct device *parent, *self; void *aux; { struct cmpci_softc *sc = (struct cmpci_softc *)self; struct pci_attach_args *pa = (struct pci_attach_args *)aux; pci_intr_handle_t ih; char const *strintr; int i, v; sc->sc_revision = PCI_REVISION(pa->pa_class); sc->sc_model = PCI_PRODUCT(pa->pa_id); switch (sc->sc_model) { case PCI_PRODUCT_CMEDIA_CMI8338A: printf(": CMI8338A PCI Audio Device\n"); break; case PCI_PRODUCT_CMEDIA_CMI8338B: printf(": CMI8338B PCI Audio Device\n"); break; case PCI_PRODUCT_CMEDIA_CMI8738: printf(": CMI8738 PCI Audio Device\n"); break; } /* map I/O space */ if (pci_mapreg_map(pa, CMPCI_PCI_IOBASEREG, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot, &sc->sc_ioh, NULL, NULL)) { printf("%s: failed to map I/O space\n", sc->sc_dev.dv_xname); return; } /* interrupt */ if (pci_intr_map(pa, &ih)) { printf("%s: failed to map interrupt\n", sc->sc_dev.dv_xname); return; } strintr = pci_intr_string(pa->pa_pc, ih); sc->sc_ih=pci_intr_establish(pa->pa_pc, ih, IPL_AUDIO, cmpci_intr, sc); if (sc->sc_ih == NULL) { printf("%s: failed to establish interrupt", sc->sc_dev.dv_xname); if (strintr != NULL) printf(" at %s", strintr); printf("\n"); return; } printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, strintr); sc->sc_dmat = pa->pa_dmat; audio_attach_mi(&cmpci_hw_if, sc, &sc->sc_dev); cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_RESET, 0); cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_ADCMIX_L, 0); cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_ADCMIX_R, 0); cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_OUTMIX, CMPCI_SB16_SW_CD|CMPCI_SB16_SW_MIC | CMPCI_SB16_SW_LINE); for (i = 0; i < CMPCI_NDEVS; i++) { switch(i) { case CMPCI_MIC_VOL: case CMPCI_LINE_IN_VOL: v = 0; break; case CMPCI_BASS: case CMPCI_TREBLE: v = CMPCI_ADJUST_GAIN(sc, AUDIO_MAX_GAIN / 2); break; case CMPCI_CD_IN_MUTE: case CMPCI_MIC_IN_MUTE: case CMPCI_LINE_IN_MUTE: case CMPCI_FM_IN_MUTE: case CMPCI_CD_SWAP: case CMPCI_MIC_SWAP: case CMPCI_LINE_SWAP: case CMPCI_FM_SWAP: v = 0; break; case CMPCI_CD_OUT_MUTE: case CMPCI_MIC_OUT_MUTE: case CMPCI_LINE_OUT_MUTE: v = 1; break; default: v = CMPCI_ADJUST_GAIN(sc, AUDIO_MAX_GAIN / 2); } sc->gain[i][CMPCI_LEFT] = sc->gain[i][CMPCI_RIGHT] = v; cmpci_set_mixer_gain(sc, i); } } static int cmpci_intr(handle) void *handle; { struct cmpci_softc *sc = handle; uint32_t intrstat; intrstat = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CMPCI_REG_INTR_STATUS); delay(10); if (!(intrstat & CMPCI_REG_ANY_INTR)) return 0; /* disable and reset intr */ if (intrstat & CMPCI_REG_CH0_INTR) cmpci_reg_clear_4(sc, CMPCI_REG_INTR_CTRL, CMPCI_REG_CH0_INTR_ENABLE); if (intrstat & CMPCI_REG_CH1_INTR) cmpci_reg_clear_4(sc, CMPCI_REG_INTR_CTRL, CMPCI_REG_CH1_INTR_ENABLE); if (intrstat & CMPCI_REG_CH0_INTR) { if (sc->sc_play.intr != NULL) (*sc->sc_play.intr)(sc->sc_play.intr_arg); } if (intrstat & CMPCI_REG_CH1_INTR) { if (sc->sc_rec.intr != NULL) (*sc->sc_rec.intr)(sc->sc_rec.intr_arg); } /* enable intr */ if (intrstat & CMPCI_REG_CH0_INTR) cmpci_reg_set_4(sc, CMPCI_REG_INTR_CTRL, CMPCI_REG_CH0_INTR_ENABLE); if (intrstat & CMPCI_REG_CH1_INTR) cmpci_reg_set_4(sc, CMPCI_REG_INTR_CTRL, CMPCI_REG_CH1_INTR_ENABLE); return 0; } /* open/close */ static int cmpci_open(handle, flags) void *handle; int flags; { #if 0 struct cmpci_softc *sc = handle; #endif return 0; } static void cmpci_close(handle) void *handle; { } static int cmpci_query_encoding(handle, fp) void *handle; struct audio_encoding *fp; { #if 0 struct cmpci_softc *sc = handle; #endif switch (fp->index) { case 0: strcpy(fp->name, AudioEulinear); fp->encoding = AUDIO_ENCODING_ULINEAR; fp->precision = 8; fp->flags = AUDIO_ENCODINGFLAG_EMULATED; break; case 1: strcpy(fp->name, AudioEmulaw); fp->encoding = AUDIO_ENCODING_ULAW; fp->precision = 8; fp->flags = AUDIO_ENCODINGFLAG_EMULATED; break; case 2: strcpy(fp->name, AudioEalaw); fp->encoding = AUDIO_ENCODING_ALAW; fp->precision = 8; fp->flags = AUDIO_ENCODINGFLAG_EMULATED; break; case 3: strcpy(fp->name, AudioEslinear); fp->encoding = AUDIO_ENCODING_SLINEAR; fp->precision = 8; fp->flags = 0; break; case 4: strcpy(fp->name, AudioEslinear_le); fp->encoding = AUDIO_ENCODING_SLINEAR_LE; fp->precision = 16; fp->flags = 0; break; case 5: strcpy(fp->name, AudioEulinear_le); fp->encoding = AUDIO_ENCODING_ULINEAR_LE; fp->precision = 16; fp->flags = AUDIO_ENCODINGFLAG_EMULATED; break; case 6: strcpy(fp->name, AudioEslinear_be); fp->encoding = AUDIO_ENCODING_SLINEAR_BE; fp->precision = 16; fp->flags = AUDIO_ENCODINGFLAG_EMULATED; break; case 7: strcpy(fp->name, AudioEulinear_be); fp->encoding = AUDIO_ENCODING_ULINEAR_BE; fp->precision = 16; fp->flags = AUDIO_ENCODINGFLAG_EMULATED; break; default: return EINVAL; } return 0; } static int cmpci_set_params(handle, setmode, usemode, play, rec) void *handle; int setmode, usemode; struct audio_params *play, *rec; { int i; struct cmpci_softc *sc = handle; for (i = 0; i < 2; i++) { int md_format; int md_divide; int md_index; int mode; struct audio_params *p; switch (i) { case 0: mode = AUMODE_PLAY; p = play; break; case 1: mode = AUMODE_RECORD; p = rec; break; } if (!(setmode & mode)) continue; /* format */ p->sw_code = NULL; switch ( p->channels ) { case 1: md_format = CMPCI_REG_FORMAT_MONO; break; case 2: md_format = CMPCI_REG_FORMAT_STEREO; break; default: return (EINVAL); } switch (p->encoding) { case AUDIO_ENCODING_ULAW: if (p->precision != 8) return (EINVAL); if (mode & AUMODE_PLAY) { p->factor = 2; p->sw_code = mulaw_to_slinear16_le; md_format |= CMPCI_REG_FORMAT_16BIT; } else { p->sw_code = ulinear8_to_mulaw; md_format |= CMPCI_REG_FORMAT_8BIT; } break; case AUDIO_ENCODING_ALAW: if (p->precision != 8) return (EINVAL); if (mode & AUMODE_PLAY) { p->factor = 2; p->sw_code = alaw_to_slinear16_le; md_format |= CMPCI_REG_FORMAT_16BIT; } else { p->sw_code = ulinear8_to_alaw; md_format |= CMPCI_REG_FORMAT_8BIT; } break; case AUDIO_ENCODING_SLINEAR_LE: switch (p->precision) { case 8: p->sw_code = change_sign8; md_format |= CMPCI_REG_FORMAT_8BIT; break; case 16: md_format |= CMPCI_REG_FORMAT_16BIT; break; default: return (EINVAL); } break; case AUDIO_ENCODING_SLINEAR_BE: switch (p->precision) { case 8: md_format |= CMPCI_REG_FORMAT_8BIT; p->sw_code = change_sign8; break; case 16: md_format |= CMPCI_REG_FORMAT_16BIT; p->sw_code = swap_bytes; break; default: return (EINVAL); } break; case AUDIO_ENCODING_ULINEAR_LE: switch (p->precision) { case 8: md_format |= CMPCI_REG_FORMAT_8BIT; break; case 16: md_format |= CMPCI_REG_FORMAT_16BIT; p->sw_code = change_sign16_le; break; default: return (EINVAL); } break; case AUDIO_ENCODING_ULINEAR_BE: switch (p->precision) { case 8: md_format |= CMPCI_REG_FORMAT_8BIT; break; case 16: md_format |= CMPCI_REG_FORMAT_16BIT; if (mode & AUMODE_PLAY) p->sw_code =swap_bytes_change_sign16_le; else p->sw_code =change_sign16_swap_bytes_le; break; default: return (EINVAL); } break; default: return (EINVAL); } if (mode & AUMODE_PLAY) cmpci_reg_partial_write_4(sc, CMPCI_REG_CHANNEL_FORMAT, CMPCI_REG_CH0_FORMAT_SHIFT, CMPCI_REG_CH0_FORMAT_MASK, md_format); else cmpci_reg_partial_write_4(sc, CMPCI_REG_CHANNEL_FORMAT, CMPCI_REG_CH1_FORMAT_SHIFT, CMPCI_REG_CH1_FORMAT_MASK, md_format); /* sample rate */ md_index = cmpci_rate_to_index(p->sample_rate); md_divide = cmpci_index_to_divider(md_index); p->sample_rate = cmpci_index_to_rate(md_index); #if 0 DPRINTF(("%s: sample:%d, divider=%d\n", sc->sc_dev.dv_xname, (int)p->sample_rate, md_divide)); #endif if (mode & AUMODE_PLAY) { cmpci_reg_partial_write_4(sc, CMPCI_REG_FUNC_1, CMPCI_REG_DAC_FS_SHIFT, CMPCI_REG_DAC_FS_MASK, md_divide); #ifdef CMPCI_SPDIF_SUPPORT switch (md_divide) { case CMPCI_REG_RATE_44100: cmpci_reg_clear_4(sc, CMPCI_REG_MISC, CMPCI_REG_SPDIF_48K); cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_1, CMPCI_REG_SPDIF_LOOP); cmpci_reg_set_4(sc, CMPCI_REG_FUNC_1, CMPCI_REG_SPDIF0_ENABLE); break; case CMPCI_REG_RATE_48000: cmpci_reg_set_4(sc, CMPCI_REG_MISC, CMPCI_REG_SPDIF_48K); cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_1, CMPCI_REG_SPDIF_LOOP); cmpci_reg_set_4(sc, CMPCI_REG_FUNC_1, CMPCI_REG_SPDIF0_ENABLE); break; default: cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_1, CMPCI_REG_SPDIF0_ENABLE); cmpci_reg_set_4(sc, CMPCI_REG_FUNC_1, CMPCI_REG_SPDIF_LOOP); } #endif } else { cmpci_reg_partial_write_4(sc, CMPCI_REG_FUNC_1, CMPCI_REG_ADC_FS_SHIFT, CMPCI_REG_ADC_FS_MASK, md_divide); #ifdef CMPCI_SPDIF_SUPPORT if (sc->in_mask & CMPCI_SPDIF_IN) { switch (md_divide) { case CMPCI_REG_RATE_44100: cmpci_reg_set_4(sc, CMPCI_REG_FUNC_1, CMPCI_REG_SPDIF1_ENABLE); break; default: return EINVAL; } } else cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_1, CMPCI_REG_SPDIF1_ENABLE); #endif } } return 0; } /* ARGSUSED */ static int cmpci_round_blocksize(handle, block) void *handle; int block; { return (block & -4); } static int cmpci_halt_output(handle) void *handle; { struct cmpci_softc *sc = handle; int s; s = splaudio(); sc->sc_play.intr = NULL; cmpci_reg_clear_4(sc, CMPCI_REG_INTR_CTRL, CMPCI_REG_CH0_INTR_ENABLE); cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_ENABLE); /* wait for reset DMA */ cmpci_reg_set_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_RESET); delay(10); cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_RESET); splx(s); return 0; } static int cmpci_halt_input(handle) void *handle; { struct cmpci_softc *sc = handle; int s; s = splaudio(); sc->sc_rec.intr = NULL; cmpci_reg_clear_4(sc, CMPCI_REG_INTR_CTRL, CMPCI_REG_CH1_INTR_ENABLE); cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH1_ENABLE); /* wait for reset DMA */ cmpci_reg_set_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH1_RESET); delay(10); cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH1_RESET); splx(s); return 0; } /* get audio device information */ static int cmpci_getdev(handle, ad) void *handle; struct audio_device *ad; { struct cmpci_softc *sc = handle; strncpy(ad->name, "CMI PCI Audio", sizeof(ad->name)); snprintf(ad->version, sizeof(ad->version), "0x%02x", sc->sc_revision); switch (sc->sc_model) { case PCI_PRODUCT_CMEDIA_CMI8338A: strncpy(ad->config, "CMI8338A", sizeof(ad->config)); break; case PCI_PRODUCT_CMEDIA_CMI8338B: strncpy(ad->config, "CMI8338B", sizeof(ad->config)); break; case PCI_PRODUCT_CMEDIA_CMI8738: strncpy(ad->config, "CMI8738", sizeof(ad->config)); break; default: strncpy(ad->config, "unknown", sizeof(ad->config)); } return 0; } /* mixer device information */ int cmpci_query_devinfo(handle, dip) void *handle; mixer_devinfo_t *dip; { #if 0 struct cmpci_softc *sc = handle; #endif switch (dip->index) { case CMPCI_MASTER_VOL: dip->type = AUDIO_MIXER_VALUE; dip->mixer_class = CMPCI_OUTPUT_CLASS; dip->prev = dip->next = AUDIO_MIXER_LAST; strcpy(dip->label.name, AudioNmaster); dip->un.v.num_channels = 2; strcpy(dip->un.v.units.name, AudioNvolume); return 0; case CMPCI_FM_VOL: dip->type = AUDIO_MIXER_VALUE; dip->mixer_class = CMPCI_INPUT_CLASS; dip->prev = AUDIO_MIXER_LAST; dip->next = CMPCI_FM_IN_MUTE; strcpy(dip->label.name, AudioNfmsynth); dip->un.v.num_channels = 2; strcpy(dip->un.v.units.name, AudioNvolume); return 0; case CMPCI_CD_VOL: dip->type = AUDIO_MIXER_VALUE; dip->mixer_class = CMPCI_INPUT_CLASS; dip->prev = AUDIO_MIXER_LAST; dip->next = CMPCI_CD_IN_MUTE; strcpy(dip->label.name, AudioNcd); dip->un.v.num_channels = 2; strcpy(dip->un.v.units.name, AudioNvolume); return 0; case CMPCI_VOICE_VOL: dip->type = AUDIO_MIXER_VALUE; dip->mixer_class = CMPCI_OUTPUT_CLASS; dip->prev = AUDIO_MIXER_LAST; dip->next = AUDIO_MIXER_LAST; strcpy(dip->label.name, AudioNdac); dip->un.v.num_channels = 2; strcpy(dip->un.v.units.name, AudioNvolume); return 0; case CMPCI_OUTPUT_CLASS: dip->type = AUDIO_MIXER_CLASS; dip->mixer_class = CMPCI_INPUT_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strcpy(dip->label.name, AudioCoutputs); return 0; case CMPCI_MIC_VOL: dip->type = AUDIO_MIXER_VALUE; dip->mixer_class = CMPCI_INPUT_CLASS; dip->prev = AUDIO_MIXER_LAST; dip->next = CMPCI_MIC_IN_MUTE; strcpy(dip->label.name, AudioNmicrophone); dip->un.v.num_channels = 1; strcpy(dip->un.v.units.name, AudioNvolume); return 0; case CMPCI_LINE_IN_VOL: dip->type = AUDIO_MIXER_VALUE; dip->mixer_class = CMPCI_INPUT_CLASS; dip->prev = AUDIO_MIXER_LAST; dip->next = CMPCI_LINE_IN_MUTE; strcpy(dip->label.name, AudioNline); dip->un.v.num_channels = 2; strcpy(dip->un.v.units.name, AudioNvolume); return 0; case CMPCI_RECORD_SOURCE: dip->mixer_class = CMPCI_RECORD_CLASS; dip->prev = dip->next = AUDIO_MIXER_LAST; strcpy(dip->label.name, AudioNsource); dip->type = AUDIO_MIXER_SET; #ifdef CMPCI_SPDIF_SUPPORT dip->un.s.num_mem = 5; #else dip->un.s.num_mem = 4; #endif strcpy(dip->un.s.member[0].label.name, AudioNmicrophone); dip->un.s.member[0].mask = 1 << CMPCI_MIC_VOL; strcpy(dip->un.s.member[1].label.name, AudioNcd); dip->un.s.member[1].mask = 1 << CMPCI_CD_VOL; strcpy(dip->un.s.member[2].label.name, AudioNline); dip->un.s.member[2].mask = 1 << CMPCI_LINE_IN_VOL; strcpy(dip->un.s.member[3].label.name, AudioNfmsynth); dip->un.s.member[3].mask = 1 << CMPCI_FM_VOL; #ifdef CMPCI_SPDIF_SUPPORT strcpy(dip->un.s.member[4].label.name, CmpciNspdif); dip->un.s.member[4].mask = 1 << CMPCI_SPDIF_IN; #endif return 0; case CMPCI_BASS: dip->prev = dip->next = AUDIO_MIXER_LAST; strcpy(dip->label.name, AudioNbass); dip->type = AUDIO_MIXER_VALUE; dip->mixer_class = CMPCI_EQUALIZATION_CLASS; dip->un.v.num_channels = 2; strcpy(dip->un.v.units.name, AudioNbass); return 0; case CMPCI_TREBLE: dip->prev = dip->next = AUDIO_MIXER_LAST; strcpy(dip->label.name, AudioNtreble); dip->type = AUDIO_MIXER_VALUE; dip->mixer_class = CMPCI_EQUALIZATION_CLASS; dip->un.v.num_channels = 2; strcpy(dip->un.v.units.name, AudioNtreble); return 0; case CMPCI_RECORD_CLASS: dip->type = AUDIO_MIXER_CLASS; dip->mixer_class = CMPCI_RECORD_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strcpy(dip->label.name, AudioCrecord); return 0; case CMPCI_INPUT_CLASS: dip->type = AUDIO_MIXER_CLASS; dip->mixer_class = CMPCI_INPUT_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strcpy(dip->label.name, AudioCinputs); return 0; case CMPCI_PCSPEAKER: dip->type = AUDIO_MIXER_VALUE; dip->mixer_class = CMPCI_INPUT_CLASS; dip->prev = dip->next = AUDIO_MIXER_LAST; strcpy(dip->label.name, "pc_speaker"); dip->un.v.num_channels = 1; strcpy(dip->un.v.units.name, AudioNvolume); return 0; case CMPCI_INPUT_GAIN: dip->type = AUDIO_MIXER_VALUE; dip->mixer_class = CMPCI_INPUT_CLASS; dip->prev = dip->next = AUDIO_MIXER_LAST; strcpy(dip->label.name, AudioNinput); dip->un.v.num_channels = 2; strcpy(dip->un.v.units.name, AudioNvolume); return 0; case CMPCI_OUTPUT_GAIN: dip->type = AUDIO_MIXER_VALUE; dip->mixer_class = CMPCI_OUTPUT_CLASS; dip->prev = dip->next = AUDIO_MIXER_LAST; strcpy(dip->label.name, AudioNoutput); dip->un.v.num_channels = 2; strcpy(dip->un.v.units.name, AudioNvolume); return 0; case CMPCI_AGC: dip->type = AUDIO_MIXER_ENUM; dip->mixer_class = CMPCI_INPUT_CLASS; dip->prev = dip->next = AUDIO_MIXER_LAST; strcpy(dip->label.name, "agc"); dip->un.e.num_mem = 2; strcpy(dip->un.e.member[0].label.name, AudioNoff); dip->un.e.member[0].ord = 0; strcpy(dip->un.e.member[1].label.name, AudioNon); dip->un.e.member[1].ord = 1; return 0; case CMPCI_EQUALIZATION_CLASS: dip->type = AUDIO_MIXER_CLASS; dip->mixer_class = CMPCI_EQUALIZATION_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strcpy(dip->label.name, AudioCequalization); return 0; case CMPCI_CD_IN_MUTE: dip->prev = CMPCI_CD_VOL; dip->next = CMPCI_CD_SWAP; dip->mixer_class = CMPCI_INPUT_CLASS; goto mute; case CMPCI_MIC_IN_MUTE: dip->prev = CMPCI_MIC_VOL; dip->next = CMPCI_MIC_SWAP; dip->mixer_class = CMPCI_INPUT_CLASS; goto mute; case CMPCI_LINE_IN_MUTE: dip->prev = CMPCI_LINE_IN_VOL; dip->next = CMPCI_LINE_SWAP; dip->mixer_class = CMPCI_INPUT_CLASS; goto mute; case CMPCI_FM_IN_MUTE: dip->prev = CMPCI_FM_VOL; dip->next = CMPCI_FM_SWAP; dip->mixer_class = CMPCI_INPUT_CLASS; goto mute; case CMPCI_CD_SWAP: dip->prev = CMPCI_CD_IN_MUTE; dip->next = CMPCI_CD_OUT_MUTE; goto swap; case CMPCI_MIC_SWAP: dip->prev = CMPCI_MIC_IN_MUTE; dip->next = CMPCI_MIC_OUT_MUTE; goto swap; case CMPCI_LINE_SWAP: dip->prev = CMPCI_LINE_IN_MUTE; dip->next = CMPCI_LINE_OUT_MUTE; goto swap; case CMPCI_FM_SWAP: dip->prev = CMPCI_FM_IN_MUTE; dip->next = AUDIO_MIXER_LAST; swap: dip->mixer_class = CMPCI_INPUT_CLASS; strcpy(dip->label.name, AudioNswap); goto mute1; case CMPCI_CD_OUT_MUTE: dip->prev = CMPCI_CD_SWAP; dip->next = AUDIO_MIXER_LAST; dip->mixer_class = CMPCI_OUTPUT_CLASS; goto mute; case CMPCI_MIC_OUT_MUTE: dip->prev = CMPCI_MIC_SWAP; dip->next = AUDIO_MIXER_LAST; dip->mixer_class = CMPCI_OUTPUT_CLASS; goto mute; case CMPCI_LINE_OUT_MUTE: dip->prev = CMPCI_LINE_SWAP; dip->next = AUDIO_MIXER_LAST; dip->mixer_class = CMPCI_OUTPUT_CLASS; mute: strcpy(dip->label.name, AudioNmute); mute1: dip->type = AUDIO_MIXER_ENUM; dip->un.e.num_mem = 2; strcpy(dip->un.e.member[0].label.name, AudioNoff); dip->un.e.member[0].ord = 0; strcpy(dip->un.e.member[1].label.name, AudioNon); dip->un.e.member[1].ord = 1; return 0; } return ENXIO; } static int cmpci_alloc_dmamem(sc, size, type, flags, r_addr) struct cmpci_softc *sc; size_t size; int type, flags; caddr_t *r_addr; { int error = 0; struct cmpci_dmanode *n; int w; n = malloc(sizeof(struct cmpci_dmanode), type, flags); if (n == NULL) { error = ENOMEM; goto quit; } w = (flags & M_NOWAIT) ? BUS_DMA_NOWAIT : BUS_DMA_WAITOK; #define CMPCI_DMABUF_ALIGN 0x4 #define CMPCI_DMABUF_BOUNDARY 0x0 n->cd_tag = sc->sc_dmat; n->cd_size = size; error = bus_dmamem_alloc(n->cd_tag, n->cd_size, CMPCI_DMABUF_ALIGN, CMPCI_DMABUF_BOUNDARY, n->cd_segs, sizeof(n->cd_segs)/sizeof(n->cd_segs[0]), &n->cd_nsegs, w); if (error) goto mfree; error = bus_dmamem_map(n->cd_tag, n->cd_segs, n->cd_nsegs, n->cd_size, &n->cd_addr, w | BUS_DMA_COHERENT); if (error) goto dmafree; error = bus_dmamap_create(n->cd_tag, n->cd_size, 1, n->cd_size, 0, w, &n->cd_map); if (error) goto unmap; error = bus_dmamap_load(n->cd_tag, n->cd_map, n->cd_addr, n->cd_size, NULL, w); if (error) goto destroy; n->cd_next = sc->sc_dmap; sc->sc_dmap = n; *r_addr = KVADDR(n); return 0; destroy: bus_dmamap_destroy(n->cd_tag, n->cd_map); unmap: bus_dmamem_unmap(n->cd_tag, n->cd_addr, n->cd_size); dmafree: bus_dmamem_free(n->cd_tag, n->cd_segs, sizeof(n->cd_segs)/sizeof(n->cd_segs[0])); mfree: free(n, type); quit: return error; } static int cmpci_free_dmamem(sc, addr, type) struct cmpci_softc *sc; caddr_t addr; int type; { struct cmpci_dmanode **nnp; for (nnp = &sc->sc_dmap; *nnp; nnp= &(*nnp)->cd_next) { if ((*nnp)->cd_addr == addr) { struct cmpci_dmanode *n = *nnp; bus_dmamap_unload(n->cd_tag, n->cd_map); bus_dmamap_destroy(n->cd_tag, n->cd_map); bus_dmamem_unmap(n->cd_tag, n->cd_addr, n->cd_size); bus_dmamem_free(n->cd_tag, n->cd_segs, sizeof(n->cd_segs)/sizeof(n->cd_segs[0])); free(n, type); return 0; } } return -1; } static struct cmpci_dmanode * cmpci_find_dmamem(sc, addr) struct cmpci_softc *sc; caddr_t addr; { struct cmpci_dmanode *p; for (p=sc->sc_dmap; p; p=p->cd_next) if ( KVADDR(p) == (void *)addr ) break; return p; } #if 0 static void cmpci_print_dmamem __P((struct cmpci_dmanode *p)); static void cmpci_print_dmamem(p) struct cmpci_dmanode *p; { DPRINTF(("DMA at virt:%p, dmaseg:%p, mapseg:%p, size:%p\n", (void *)p->cd_addr, (void *)p->cd_segs[0].ds_addr, (void *)DMAADDR(p), (void *)p->cd_size)); } #endif /* DEBUG */ static void * cmpci_allocm(handle, direction, size, type, flags) void *handle; int direction; size_t size; int type, flags; { struct cmpci_softc *sc = handle; caddr_t addr; if (cmpci_alloc_dmamem(sc, size, type, flags, &addr)) return NULL; return addr; } static void cmpci_freem(handle, addr, type) void *handle; void *addr; int type; { struct cmpci_softc *sc = handle; cmpci_free_dmamem(sc, addr, type); } #define MAXVAL 256 static int cmpci_adjust(val, mask) int val, mask; { val += (MAXVAL - mask) >> 1; if (val >= MAXVAL) val = MAXVAL-1; return val & mask; } static void cmpci_set_mixer_gain(sc, port) struct cmpci_softc *sc; int port; { int src; switch (port) { case CMPCI_MIC_VOL: src = CMPCI_SB16_MIXER_MIC; break; case CMPCI_MASTER_VOL: src = CMPCI_SB16_MIXER_MASTER_L; break; case CMPCI_LINE_IN_VOL: src = CMPCI_SB16_MIXER_LINE_L; break; case CMPCI_VOICE_VOL: src = CMPCI_SB16_MIXER_VOICE_L; break; case CMPCI_FM_VOL: src = CMPCI_SB16_MIXER_FM_L; break; case CMPCI_CD_VOL: src = CMPCI_SB16_MIXER_CDDA_L; break; case CMPCI_INPUT_GAIN: src = CMPCI_SB16_MIXER_INGAIN_L; break; case CMPCI_OUTPUT_GAIN: src = CMPCI_SB16_MIXER_OUTGAIN_L; break; case CMPCI_TREBLE: src = CMPCI_SB16_MIXER_TREBLE_L; break; case CMPCI_BASS: src = CMPCI_SB16_MIXER_BASS_L; break; case CMPCI_PCSPEAKER: cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_SPEAKER, sc->gain[port][CMPCI_LEFT]); return; default: return; } cmpci_mixerreg_write(sc, src, sc->gain[port][CMPCI_LEFT]); cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_L_TO_R(src), sc->gain[port][CMPCI_RIGHT]); } static int cmpci_set_in_ports(sc, mask) struct cmpci_softc *sc; int mask; { int bitsl, bitsr; if (mask & ~((1<in_mask = mask; return 0; } static int cmpci_set_port(handle, cp) void *handle; mixer_ctrl_t *cp; { struct cmpci_softc *sc = handle; int lgain, rgain; int mask, bits; int lmask, rmask, lbits, rbits; int mute, swap; switch (cp->dev) { case CMPCI_TREBLE: case CMPCI_BASS: case CMPCI_PCSPEAKER: case CMPCI_INPUT_GAIN: case CMPCI_OUTPUT_GAIN: case CMPCI_MIC_VOL: case CMPCI_LINE_IN_VOL: case CMPCI_VOICE_VOL: case CMPCI_FM_VOL: case CMPCI_CD_VOL: case CMPCI_MASTER_VOL: if (cp->type != AUDIO_MIXER_VALUE) return EINVAL; switch (cp->dev) { case CMPCI_MIC_VOL: if (cp->un.value.num_channels != 1) return EINVAL; lgain = rgain = CMPCI_ADJUST_MIC_GAIN(sc, cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); break; case CMPCI_PCSPEAKER: if (cp->un.value.num_channels != 1) return EINVAL; /* fall into */ case CMPCI_INPUT_GAIN: case CMPCI_OUTPUT_GAIN: lgain = rgain = CMPCI_ADJUST_2_GAIN(sc, cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); break; default: switch (cp->un.value.num_channels) { case 1: lgain = rgain = CMPCI_ADJUST_GAIN(sc, cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); break; case 2: lgain = CMPCI_ADJUST_GAIN(sc, cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]); rgain = CMPCI_ADJUST_GAIN(sc, cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT]); break; default: return EINVAL; } break; } sc->gain[cp->dev][CMPCI_LEFT] = lgain; sc->gain[cp->dev][CMPCI_RIGHT] = rgain; cmpci_set_mixer_gain(sc, cp->dev); break; case CMPCI_RECORD_SOURCE: if (cp->type != AUDIO_MIXER_SET) return EINVAL; #ifdef CMPCI_SPDIF_SUPPORT if (cp->un.mask & (1<un.mask = 1<un.mask); case CMPCI_AGC: cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_AGC, cp->un.ord & 1); break; case CMPCI_CD_OUT_MUTE: mask = CMPCI_SB16_SW_CD; goto omute; case CMPCI_MIC_OUT_MUTE: mask = CMPCI_SB16_SW_MIC; goto omute; case CMPCI_LINE_OUT_MUTE: mask = CMPCI_SB16_SW_LINE; omute: if (cp->type != AUDIO_MIXER_ENUM) return EINVAL; bits = cmpci_mixerreg_read(sc, CMPCI_SB16_MIXER_OUTMIX); sc->gain[cp->dev][CMPCI_LR] = cp->un.ord != 0; if (cp->un.ord) bits = bits & ~mask; else bits = bits | mask; cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_OUTMIX, bits); break; case CMPCI_MIC_IN_MUTE: case CMPCI_MIC_SWAP: lmask = rmask = CMPCI_SB16_SW_MIC; goto imute; case CMPCI_CD_IN_MUTE: case CMPCI_CD_SWAP: lmask = CMPCI_SB16_SW_CD_L; rmask = CMPCI_SB16_SW_CD_R; goto imute; case CMPCI_LINE_IN_MUTE: case CMPCI_LINE_SWAP: lmask = CMPCI_SB16_SW_LINE_L; rmask = CMPCI_SB16_SW_LINE_R; goto imute; case CMPCI_FM_IN_MUTE: case CMPCI_FM_SWAP: lmask = CMPCI_SB16_SW_FM_L; rmask = CMPCI_SB16_SW_FM_R; imute: if (cp->type != AUDIO_MIXER_ENUM) return EINVAL; mask = lmask | rmask; lbits = cmpci_mixerreg_read(sc, CMPCI_SB16_MIXER_ADCMIX_L) & ~mask; rbits = cmpci_mixerreg_read(sc, CMPCI_SB16_MIXER_ADCMIX_R) & ~mask; sc->gain[cp->dev][CMPCI_LR] = cp->un.ord != 0; if (CMPCI_IS_IN_MUTE(cp->dev)) { mute = cp->dev; swap = mute - CMPCI_CD_IN_MUTE + CMPCI_CD_SWAP; } else { swap = cp->dev; mute = swap + CMPCI_CD_IN_MUTE - CMPCI_CD_SWAP; } if (sc->gain[swap][CMPCI_LR]) { mask = lmask; lmask = rmask; rmask = mask; } if (!sc->gain[mute][CMPCI_LR]) { lbits = lbits | lmask; rbits = rbits | rmask; } cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_ADCMIX_L, lbits); cmpci_mixerreg_write(sc, CMPCI_SB16_MIXER_ADCMIX_R, rbits); break; default: return EINVAL; } return 0; } static int cmpci_get_port(handle, cp) void *handle; mixer_ctrl_t *cp; { struct cmpci_softc *sc = handle; switch (cp->dev) { case CMPCI_MIC_VOL: case CMPCI_LINE_IN_VOL: if (cp->un.value.num_channels != 1) return EINVAL; /* fall into */ case CMPCI_TREBLE: case CMPCI_BASS: case CMPCI_PCSPEAKER: case CMPCI_INPUT_GAIN: case CMPCI_OUTPUT_GAIN: case CMPCI_VOICE_VOL: case CMPCI_FM_VOL: case CMPCI_CD_VOL: case CMPCI_MASTER_VOL: switch (cp->un.value.num_channels) { case 1: cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = sc->gain[cp->dev][CMPCI_LEFT]; break; case 2: cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = sc->gain[cp->dev][CMPCI_LEFT]; cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = sc->gain[cp->dev][CMPCI_RIGHT]; break; default: return EINVAL; } break; case CMPCI_RECORD_SOURCE: cp->un.mask = sc->in_mask; break; case CMPCI_AGC: cp->un.ord = cmpci_mixerreg_read(sc, CMPCI_SB16_MIXER_AGC); break; case CMPCI_CD_IN_MUTE: case CMPCI_MIC_IN_MUTE: case CMPCI_LINE_IN_MUTE: case CMPCI_FM_IN_MUTE: case CMPCI_CD_SWAP: case CMPCI_MIC_SWAP: case CMPCI_LINE_SWAP: case CMPCI_FM_SWAP: case CMPCI_CD_OUT_MUTE: case CMPCI_MIC_OUT_MUTE: case CMPCI_LINE_OUT_MUTE: cp->un.ord = sc->gain[cp->dev][CMPCI_LR]; break; default: return EINVAL; } return 0; } /* ARGSUSED */ static size_t cmpci_round_buffersize(handle, direction, bufsize) void *handle; int direction; size_t bufsize; { if (bufsize > 0x10000) bufsize = 0x10000; return bufsize; } static paddr_t cmpci_mappage(handle, addr, offset, prot) void *handle; void *addr; off_t offset; int prot; { struct cmpci_softc *sc = handle; struct cmpci_dmanode *p; if (offset < 0 || NULL == (p = cmpci_find_dmamem(sc, addr))) return -1; return bus_dmamem_mmap(p->cd_tag, p->cd_segs, sizeof(p->cd_segs)/sizeof(p->cd_segs[0]), offset, prot, BUS_DMA_WAITOK); } /* ARGSUSED */ static int cmpci_get_props(handle) void *handle; { return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX; } static int cmpci_trigger_output(handle, start, end, blksize, intr, arg, param) void *handle; void *start, *end; int blksize; void (*intr) __P((void *)); void *arg; struct audio_params *param; { struct cmpci_softc *sc = handle; struct cmpci_dmanode *p; int bps; sc->sc_play.intr = intr; sc->sc_play.intr_arg = arg; bps = param->channels*param->precision*param->factor / 8; if (!bps) return EINVAL; /* set DMA frame */ if (!(p = cmpci_find_dmamem(sc, start))) return EINVAL; bus_space_write_4(sc->sc_iot, sc->sc_ioh, CMPCI_REG_DMA0_BASE, DMAADDR(p)); delay(10); bus_space_write_2(sc->sc_iot, sc->sc_ioh, CMPCI_REG_DMA0_BYTES, ((caddr_t)end - (caddr_t)start + 1) / bps - 1); delay(10); /* set interrupt count */ bus_space_write_2(sc->sc_iot, sc->sc_ioh, CMPCI_REG_DMA0_SAMPLES, (blksize + bps - 1) / bps - 1); delay(10); /* start DMA */ cmpci_reg_clear_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_DIR); /* PLAY */ cmpci_reg_set_4(sc, CMPCI_REG_INTR_CTRL, CMPCI_REG_CH0_INTR_ENABLE); cmpci_reg_set_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH0_ENABLE); return 0; } static int cmpci_trigger_input(handle, start, end, blksize, intr, arg, param) void *handle; void *start, *end; int blksize; void (*intr) __P((void *)); void *arg; struct audio_params *param; { struct cmpci_softc *sc = handle; struct cmpci_dmanode *p; int bps; sc->sc_rec.intr = intr; sc->sc_rec.intr_arg = arg; bps = param->channels*param->precision*param->factor/8; if (!bps) return EINVAL; /* set DMA frame */ if (!(p=cmpci_find_dmamem(sc, start))) return EINVAL; bus_space_write_4(sc->sc_iot, sc->sc_ioh, CMPCI_REG_DMA1_BASE, DMAADDR(p)); delay(10); bus_space_write_2(sc->sc_iot, sc->sc_ioh, CMPCI_REG_DMA1_BYTES, ((caddr_t)end - (caddr_t)start + 1) / bps - 1); delay(10); /* set interrupt count */ bus_space_write_2(sc->sc_iot, sc->sc_ioh, CMPCI_REG_DMA1_SAMPLES, (blksize + bps - 1) / bps - 1); delay(10); /* start DMA */ cmpci_reg_set_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH1_DIR); /* REC */ cmpci_reg_set_4(sc, CMPCI_REG_INTR_CTRL, CMPCI_REG_CH1_INTR_ENABLE); cmpci_reg_set_4(sc, CMPCI_REG_FUNC_0, CMPCI_REG_CH1_ENABLE); return 0; } /* end of file */