/* $OpenBSD: emuxki.c,v 1.19 2004/09/02 02:09:09 marco Exp $ */ /* $NetBSD: emuxki.c,v 1.1 2001/10/17 18:39:41 jdolecek Exp $ */ /*- * Copyright (c) 2001 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Yannick Montulet. * * 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * 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. */ /* * Driver for Creative Labs SBLive! series and probably PCI512. * * Known bugs: * - inversed stereo at ac97 codec level * (XXX jdolecek - don't see the problem? maybe because auvia(4) has * it swapped too?) * - bass disapear when you plug rear jack-in on Cambridge FPS2000 speakers * (and presumably all speakers that support front and rear jack-in) * * TODO: * - Digital Outputs * - (midi/mpu),joystick support * - Multiple voices play (problem with /dev/audio architecture) * - Multiple sources recording (Pb with audio(4)) * - Independant modification of each channel's parameters (via mixer ?) * - DSP FX patches (to make fx like chipmunk) */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define slinear16_to_ulinear8_le linear16_to_ulinear8_le; /* autconf goo */ int emuxki_match(struct device *, void *, void *); void emuxki_attach(struct device *, struct device *, void *); int emuxki_detach(struct device *, int); int emuxki_scinit(struct emuxki_softc *sc); void emuxki_pci_shutdown(struct emuxki_softc *sc); /* dma mem mgmt */ struct dmamem *emuxki_dmamem_alloc(bus_dma_tag_t, size_t, bus_size_t, int, int, int); void emuxki_dmamem_free(struct dmamem *, int); void emuxki_dmamem_delete(struct dmamem *mem, int type); struct emuxki_mem *emuxki_mem_new(struct emuxki_softc *sc, int ptbidx, size_t size, int type, int flags); void emuxki_mem_delete(struct emuxki_mem *mem, int type); /* Emu10k1 init & shutdown */ int emuxki_init(struct emuxki_softc *); void emuxki_shutdown(struct emuxki_softc *); /* Emu10k1 mem mgmt */ void *emuxki_pmem_alloc(struct emuxki_softc *, size_t,int,int); void *emuxki_rmem_alloc(struct emuxki_softc *, size_t,int,int); /* * Emu10k1 channels funcs : There is no direct access to channels, everything * is done through voices I will at least provide channel based fx params * modification, later... */ /* Emu10k1 voice mgmt */ struct emuxki_voice *emuxki_voice_new(struct emuxki_softc *, u_int8_t); void emuxki_voice_delete(struct emuxki_voice *); int emuxki_voice_set_audioparms(struct emuxki_voice *, u_int8_t, u_int8_t, u_int32_t); /* emuxki_voice_set_fxparms will come later, it'll need channel distinction */ int emuxki_voice_set_bufparms(struct emuxki_voice *, void *, u_int32_t, u_int16_t); int emuxki_voice_set_stereo(struct emuxki_voice *voice, u_int8_t stereo); int emuxki_voice_dataloc_create(struct emuxki_voice *voice); void emuxki_voice_dataloc_destroy(struct emuxki_voice *voice); void emuxki_voice_commit_parms(struct emuxki_voice *); void emuxki_voice_recsrc_release(struct emuxki_softc *sc, emuxki_recsrc_t source); int emuxki_recsrc_reserve(struct emuxki_voice *voice, emuxki_recsrc_t source); int emuxki_recsrc_rate_to_index(int srate); u_int32_t emuxki_voice_curaddr(struct emuxki_voice *); int emuxki_set_vparms(struct emuxki_voice *voice, struct audio_params *p); int emuxki_voice_set_srate(struct emuxki_voice *voice, u_int32_t srate); void emuxki_voice_start(struct emuxki_voice *, void (*) (void *), void *); void emuxki_voice_halt(struct emuxki_voice *); int emuxki_voice_channel_create(struct emuxki_voice *voice); void emuxki_voice_channel_destroy(struct emuxki_voice *voice); struct emuxki_channel *emuxki_channel_new(struct emuxki_voice *voice, u_int8_t num); void emuxki_channel_delete(struct emuxki_channel *chan); void emuxki_channel_start(struct emuxki_channel *chan); void emuxki_channel_stop(struct emuxki_channel *chan); void emuxki_channel_commit_parms(struct emuxki_channel *chan); void emuxki_channel_set_bufparms(struct emuxki_channel *chan, u_int32_t start, u_int32_t end); void emuxki_channel_set_srate(struct emuxki_channel *chan, u_int32_t srate); void emuxki_channel_set_fxsend(struct emuxki_channel *chan, struct emuxki_chanparms_fxsend *fxsend); void emuxki_chanparms_set_defaults(struct emuxki_channel *chan); void emuxki_resched_timer(struct emuxki_softc *sc); /* * Emu10k1 stream mgmt : not done yet */ #if 0 struct emuxki_stream *emuxki_stream_new(struct emu10k1 *); void emuxki_stream_delete(struct emuxki_stream *); int emuxki_stream_set_audio_params(struct emuxki_stream *, u_int8_t, u_int8_t, u_int8_t, u_int16_t); void emuxki_stream_start(struct emuxki_stream *); void emuxki_stream_halt(struct emuxki_stream *); #endif /* fx interface */ void emuxki_initfx(struct emuxki_softc *sc); void emuxki_dsp_addop(struct emuxki_softc *sc, u_int16_t *pc, u_int8_t op, u_int16_t r, u_int16_t a, u_int16_t x, u_int16_t y); void emuxki_write_micro(struct emuxki_softc *sc, u_int32_t pc, u_int32_t data); /* audio interface callbacks */ int emuxki_open(void *, int); void emuxki_close(void *); int emuxki_query_encoding(void *, struct audio_encoding *); int emuxki_set_params(void *, int, int, struct audio_params *, struct audio_params *); int emuxki_round_blocksize(void *, int); size_t emuxki_round_buffersize(void *, int, size_t); int emuxki_trigger_output(void *, void *, void *, int, void (*)(void *), void *, struct audio_params *); int emuxki_trigger_input(void *, void *, void *, int, void (*) (void *), void *, struct audio_params *); int emuxki_halt_output(void *); int emuxki_halt_input(void *); int emuxki_getdev(void *, struct audio_device *); int emuxki_set_port(void *, mixer_ctrl_t *); int emuxki_get_port(void *, mixer_ctrl_t *); int emuxki_query_devinfo(void *, mixer_devinfo_t *); void *emuxki_allocm(void *, int, size_t, int, int); void emuxki_freem(void *, void *, int); paddr_t emuxki_mappage(void *, void *, off_t, int); int emuxki_get_props(void *); /* Interrupt handler */ int emuxki_intr(void *); /* Emu10k1 AC97 interface callbacks */ int emuxki_ac97_init(struct emuxki_softc *sc); int emuxki_ac97_attach(void *, struct ac97_codec_if *); int emuxki_ac97_read(void *, u_int8_t, u_int16_t *); int emuxki_ac97_write(void *, u_int8_t, u_int16_t); void emuxki_ac97_reset(void *); /* * Autoconfig goo. */ struct cfdriver emu_cd = { NULL, "emu", DV_DULL }; struct cfattach emu_ca = { sizeof(struct emuxki_softc), emuxki_match, emuxki_attach, emuxki_detach, NULL /* config activate */ }; struct audio_hw_if emuxki_hw_if = { emuxki_open, emuxki_close, NULL, /* drain */ emuxki_query_encoding, emuxki_set_params, emuxki_round_blocksize, NULL, /* commit settings */ NULL, /* init_output */ NULL, /* init_input */ NULL, /* start_output */ NULL, /* start_input */ emuxki_halt_output, emuxki_halt_input, NULL, /* speaker_ctl */ emuxki_getdev, NULL, /* setfd */ emuxki_set_port, emuxki_get_port, emuxki_query_devinfo, emuxki_allocm, emuxki_freem, emuxki_round_buffersize, emuxki_mappage, emuxki_get_props, emuxki_trigger_output, emuxki_trigger_input, }; static const int emuxki_recsrc_adcrates[] = { 48000, 44100, 32000, 24000, 22050, 16000, 11025, 8000, -1 }; #if 0 static const int emuxki_recsrc_intrmasks[EMU_NUMRECSRCS] = { EMU_INTE_MICBUFENABLE, EMU_INTE_ADCBUFENABLE, EMU_INTE_EFXBUFENABLE }; #endif static const u_int32_t emuxki_recsrc_bufaddrreg[EMU_NUMRECSRCS] = { EMU_MICBA, EMU_ADCBA, EMU_FXBA }; static const u_int32_t emuxki_recsrc_idxreg[EMU_NUMRECSRCS] = { EMU_RECIDX(EMU_MICIDX), EMU_RECIDX(EMU_ADCIDX), EMU_RECIDX(EMU_FXIDX) }; static const u_int32_t emuxki_recsrc_szreg[EMU_NUMRECSRCS] = { EMU_MICBS, EMU_ADCBS, EMU_FXBS }; static const int emuxki_recbuf_sz[] = { 0, 384, 448, 512, 640, 768, 896, 1024, 1280, 1536, 1792, 2048, 2560, 3072, 3584, 4096, 5120, 6144, 7168, 8192, 10240, 12288, 14366, 16384, 20480, 24576, 28672, 32768, 40960, 49152, 57344, 65536 }; /* * DMA memory mgmt */ void emuxki_dmamem_delete(struct dmamem *mem, int type) { free(mem->segs, type); free(mem, type); } struct dmamem * emuxki_dmamem_alloc(bus_dma_tag_t dmat, size_t size, bus_size_t align, int nsegs, int type, int flags) { struct dmamem *mem; int bus_dma_flags; /* Allocate memory for structure */ if ((mem = malloc(sizeof(*mem), type, flags)) == NULL) return (NULL); mem->dmat = dmat; mem->size = size; mem->align = align; mem->nsegs = nsegs; mem->bound = 0; mem->segs = malloc(mem->nsegs * sizeof(*(mem->segs)), type, flags); if (mem->segs == NULL) { free(mem, type); return (NULL); } bus_dma_flags = (flags & M_NOWAIT) ? BUS_DMA_NOWAIT : BUS_DMA_WAITOK; if (bus_dmamem_alloc(dmat, mem->size, mem->align, mem->bound, mem->segs, mem->nsegs, &(mem->rsegs), bus_dma_flags)) { emuxki_dmamem_delete(mem, type); return (NULL); } if (bus_dmamem_map(dmat, mem->segs, mem->nsegs, mem->size, &(mem->kaddr), bus_dma_flags | BUS_DMA_COHERENT)) { bus_dmamem_free(dmat, mem->segs, mem->nsegs); emuxki_dmamem_delete(mem, type); return (NULL); } if (bus_dmamap_create(dmat, mem->size, mem->nsegs, mem->size, mem->bound, bus_dma_flags, &(mem->map))) { bus_dmamem_unmap(dmat, mem->kaddr, mem->size); bus_dmamem_free(dmat, mem->segs, mem->nsegs); emuxki_dmamem_delete(mem, type); return (NULL); } if (bus_dmamap_load(dmat, mem->map, mem->kaddr, mem->size, NULL, bus_dma_flags)) { bus_dmamap_destroy(dmat, mem->map); bus_dmamem_unmap(dmat, mem->kaddr, mem->size); bus_dmamem_free(dmat, mem->segs, mem->nsegs); emuxki_dmamem_delete(mem, type); return (NULL); } return (mem); } void emuxki_dmamem_free(struct dmamem *mem, int type) { bus_dmamap_unload(mem->dmat, mem->map); bus_dmamap_destroy(mem->dmat, mem->map); bus_dmamem_unmap(mem->dmat, mem->kaddr, mem->size); bus_dmamem_free(mem->dmat, mem->segs, mem->nsegs); emuxki_dmamem_delete(mem, type); } /* * Autoconf device callbacks : attach and detach */ void emuxki_pci_shutdown(struct emuxki_softc *sc) { if (sc->sc_ih != NULL) pci_intr_disestablish(sc->sc_pc, sc->sc_ih); if (sc->sc_ios) bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); } int emuxki_scinit(struct emuxki_softc *sc) { int err; bus_space_write_4(sc->sc_iot, sc->sc_ioh, EMU_HCFG, /* enable spdif(?) output on non-APS */ (sc->sc_type == EMUXKI_APS? 0 : EMU_HCFG_GPOUTPUT0) | EMU_HCFG_LOCKSOUNDCACHE | EMU_HCFG_LOCKTANKCACHE_MASK | EMU_HCFG_MUTEBUTTONENABLE); bus_space_write_4(sc->sc_iot, sc->sc_ioh, EMU_INTE, EMU_INTE_SAMPLERATER | EMU_INTE_PCIERRENABLE); if ((err = emuxki_init(sc))) return (err); bus_space_write_4(sc->sc_iot, sc->sc_ioh, EMU_HCFG, EMU_HCFG_AUDIOENABLE | EMU_HCFG_LOCKTANKCACHE_MASK | EMU_HCFG_AUTOMUTE); bus_space_write_4(sc->sc_iot, sc->sc_ioh, EMU_INTE, bus_space_read_4(sc->sc_iot, sc->sc_ioh, EMU_INTE) | EMU_INTE_VOLINCRENABLE | EMU_INTE_VOLDECRENABLE | EMU_INTE_MUTEENABLE); /* No multiple voice support for now */ sc->pvoice = sc->rvoice = NULL; return (0); } int emuxki_ac97_init(struct emuxki_softc *sc) { sc->hostif.arg = sc; sc->hostif.attach = emuxki_ac97_attach; sc->hostif.read = emuxki_ac97_read; sc->hostif.write = emuxki_ac97_write; sc->hostif.reset = emuxki_ac97_reset; sc->hostif.flags = NULL; return (ac97_attach(&(sc->hostif))); } int emuxki_match(struct device *parent, void *match, void *aux) { struct pci_attach_args *pa = aux; if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_CREATIVELABS && (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_CREATIVELABS_SBLIVE || PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_CREATIVELABS_SBLIVE2)) return (1); return (0); } void emuxki_attach(struct device *parent, struct device *self, void *aux) { struct emuxki_softc *sc = (struct emuxki_softc *) self; struct pci_attach_args *pa = aux; pci_intr_handle_t ih; const char *intrstr; if (pci_mapreg_map(pa, EMU_PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, &(sc->sc_iot), &(sc->sc_ioh), &(sc->sc_iob), &(sc->sc_ios), 0)) { printf(": can't map iospace\n"); return; } sc->sc_pc = pa->pa_pc; sc->sc_dmat = pa->pa_dmat; pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, pci_conf_read(pa->pa_pc, pa->pa_tag, (PCI_COMMAND_STATUS_REG) | PCI_COMMAND_MASTER_ENABLE)); if (pci_intr_map(pa, &ih)) { printf(": couldn't map interrupt\n"); bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); return; } intrstr = pci_intr_string(pa->pa_pc, ih); sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_AUDIO, emuxki_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, sc->sc_ios); return; } printf(": %s\n", intrstr); /* XXX it's unknown wheather APS is made from Audigy as well */ if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_CREATIVELABS_AUDIGY) { sc->sc_type = EMUXKI_AUDIGY; strlcpy(sc->sc_audv.name, "Audigy", sizeof sc->sc_audv.name); } else if (pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG) == EMU_SUBSYS_APS) { sc->sc_type = EMUXKI_APS; strlcpy(sc->sc_audv.name, "E-mu APS", sizeof sc->sc_audv.name); } else { sc->sc_type = EMUXKI_SBLIVE; strlcpy(sc->sc_audv.name, "SB Live!", sizeof sc->sc_audv.name); } snprintf(sc->sc_audv.version, sizeof sc->sc_audv.version, "0x%02x", PCI_REVISION(pa->pa_class)); strlcpy(sc->sc_audv.config, "emuxki", sizeof sc->sc_audv.config); if (emuxki_scinit(sc) || /* APS has no ac97 XXX */ (sc->sc_type == EMUXKI_APS || emuxki_ac97_init(sc)) || (sc->sc_audev = audio_attach_mi(&emuxki_hw_if, sc, self)) == NULL) { emuxki_pci_shutdown(sc); return; } } int emuxki_detach(struct device *self, int flags) { struct emuxki_softc *sc = (struct emuxki_softc *) self; if (sc->sc_audev != NULL) /* Test in case audio didn't attach */ config_detach(sc->sc_audev, 0); /* All voices should be stopped now but add some code here if not */ bus_space_write_4(sc->sc_iot, sc->sc_ioh, EMU_HCFG, EMU_HCFG_LOCKSOUNDCACHE | EMU_HCFG_LOCKTANKCACHE_MASK | EMU_HCFG_MUTEBUTTONENABLE); bus_space_write_4(sc->sc_iot, sc->sc_ioh, EMU_INTE, 0); emuxki_shutdown(sc); emuxki_pci_shutdown(sc); return (0); } /* Misc stuff relative to emu10k1 */ static __inline u_int32_t emuxki_rate_to_pitch(u_int32_t rate) { static const u_int32_t logMagTable[128] = { 0x00000, 0x02dfc, 0x05b9e, 0x088e6, 0x0b5d6, 0x0e26f, 0x10eb3, 0x13aa2, 0x1663f, 0x1918a, 0x1bc84, 0x1e72e, 0x2118b, 0x23b9a, 0x2655d, 0x28ed5, 0x2b803, 0x2e0e8, 0x30985, 0x331db, 0x359eb, 0x381b6, 0x3a93d, 0x3d081, 0x3f782, 0x41e42, 0x444c1, 0x46b01, 0x49101, 0x4b6c4, 0x4dc49, 0x50191, 0x5269e, 0x54b6f, 0x57006, 0x59463, 0x5b888, 0x5dc74, 0x60029, 0x623a7, 0x646ee, 0x66a00, 0x68cdd, 0x6af86, 0x6d1fa, 0x6f43c, 0x7164b, 0x73829, 0x759d4, 0x77b4f, 0x79c9a, 0x7bdb5, 0x7dea1, 0x7ff5e, 0x81fed, 0x8404e, 0x86082, 0x88089, 0x8a064, 0x8c014, 0x8df98, 0x8fef1, 0x91e20, 0x93d26, 0x95c01, 0x97ab4, 0x9993e, 0x9b79f, 0x9d5d9, 0x9f3ec, 0xa11d8, 0xa2f9d, 0xa4d3c, 0xa6ab5, 0xa8808, 0xaa537, 0xac241, 0xadf26, 0xafbe7, 0xb1885, 0xb3500, 0xb5157, 0xb6d8c, 0xb899f, 0xba58f, 0xbc15e, 0xbdd0c, 0xbf899, 0xc1404, 0xc2f50, 0xc4a7b, 0xc6587, 0xc8073, 0xc9b3f, 0xcb5ed, 0xcd07c, 0xceaec, 0xd053f, 0xd1f73, 0xd398a, 0xd5384, 0xd6d60, 0xd8720, 0xda0c3, 0xdba4a, 0xdd3b4, 0xded03, 0xe0636, 0xe1f4e, 0xe384a, 0xe512c, 0xe69f3, 0xe829f, 0xe9b31, 0xeb3a9, 0xecc08, 0xee44c, 0xefc78, 0xf148a, 0xf2c83, 0xf4463, 0xf5c2a, 0xf73da, 0xf8b71, 0xfa2f0, 0xfba57, 0xfd1a7, 0xfe8df }; static const u_int8_t logSlopeTable[128] = { 0x5c, 0x5c, 0x5b, 0x5a, 0x5a, 0x59, 0x58, 0x58, 0x57, 0x56, 0x56, 0x55, 0x55, 0x54, 0x53, 0x53, 0x52, 0x52, 0x51, 0x51, 0x50, 0x50, 0x4f, 0x4f, 0x4e, 0x4d, 0x4d, 0x4d, 0x4c, 0x4c, 0x4b, 0x4b, 0x4a, 0x4a, 0x49, 0x49, 0x48, 0x48, 0x47, 0x47, 0x47, 0x46, 0x46, 0x45, 0x45, 0x45, 0x44, 0x44, 0x43, 0x43, 0x43, 0x42, 0x42, 0x42, 0x41, 0x41, 0x41, 0x40, 0x40, 0x40, 0x3f, 0x3f, 0x3f, 0x3e, 0x3e, 0x3e, 0x3d, 0x3d, 0x3d, 0x3c, 0x3c, 0x3c, 0x3b, 0x3b, 0x3b, 0x3b, 0x3a, 0x3a, 0x3a, 0x39, 0x39, 0x39, 0x39, 0x38, 0x38, 0x38, 0x38, 0x37, 0x37, 0x37, 0x37, 0x36, 0x36, 0x36, 0x36, 0x35, 0x35, 0x35, 0x35, 0x34, 0x34, 0x34, 0x34, 0x34, 0x33, 0x33, 0x33, 0x33, 0x32, 0x32, 0x32, 0x32, 0x32, 0x31, 0x31, 0x31, 0x31, 0x31, 0x30, 0x30, 0x30, 0x30, 0x30, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f }; int8_t i; if (rate == 0) return 0; /* Bail out if no leading "1" */ rate *= 11185; /* Scale 48000 to 0x20002380 */ for (i = 31; i > 0; i--) { if (rate & 0x80000000) { /* Detect leading "1" */ return (((u_int32_t) (i - 15) << 20) + logMagTable[0x7f & (rate >> 24)] + (0x7f & (rate >> 17)) * logSlopeTable[0x7f & (rate >> 24)]); } rate <<= 1; } return 0; /* Should never reach this point */ } /* Emu10k1 Low level */ static __inline u_int32_t emuxki_read(struct emuxki_softc *sc, u_int16_t chano, u_int32_t reg) { u_int32_t ptr, mask = 0xffffffff; u_int8_t size, offset = 0; int s; ptr = ((((u_int32_t) reg) << 16) & EMU_PTR_ADDR_MASK) | (chano & EMU_PTR_CHNO_MASK); if (reg & 0xff000000) { size = (reg >> 24) & 0x3f; offset = (reg >> 16) & 0x1f; mask = ((1 << size) - 1) << offset; } s = splaudio(); bus_space_write_4(sc->sc_iot, sc->sc_ioh, EMU_PTR, ptr); ptr = (bus_space_read_4(sc->sc_iot, sc->sc_ioh, EMU_DATA) & mask) >> offset; splx(s); return (ptr); } static __inline void emuxki_write(struct emuxki_softc *sc, u_int16_t chano, u_int32_t reg, u_int32_t data) { u_int32_t ptr, mask; u_int8_t size, offset; int s; ptr = ((((u_int32_t) reg) << 16) & EMU_PTR_ADDR_MASK) | (chano & EMU_PTR_CHNO_MASK); /* BE CAREFUL WITH THAT AXE, EUGENE */ if (ptr == 0x52 || ptr == 0x53) return; if (reg & 0xff000000) { size = (reg >> 24) & 0x3f; offset = (reg >> 16) & 0x1f; mask = ((1 << size) - 1) << offset; data = ((data << offset) & mask) | (emuxki_read(sc, chano, reg & 0xffff) & ~mask); } s = splaudio(); bus_space_write_4(sc->sc_iot, sc->sc_ioh, EMU_PTR, ptr); bus_space_write_4(sc->sc_iot, sc->sc_ioh, EMU_DATA, data); splx(s); } /* Microcode should this go in /sys/dev/microcode ? */ void emuxki_write_micro(struct emuxki_softc *sc, u_int32_t pc, u_int32_t data) { emuxki_write(sc, 0, EMU_MICROCODEBASE + pc, data); } void emuxki_dsp_addop(struct emuxki_softc *sc, u_int16_t *pc, u_int8_t op, u_int16_t r, u_int16_t a, u_int16_t x, u_int16_t y) { emuxki_write_micro(sc, *pc << 1, ((x << 10) & EMU_DSP_LOWORD_OPX_MASK) | (y & EMU_DSP_LOWORD_OPY_MASK)); emuxki_write_micro(sc, (*pc << 1) + 1, ((op << 20) & EMU_DSP_HIWORD_OPCODE_MASK) | ((r << 10) & EMU_DSP_HIWORD_RESULT_MASK) | (a & EMU_DSP_HIWORD_OPA_MASK)); (*pc)++; } /* init and shutdown */ void emuxki_initfx(struct emuxki_softc *sc) { u_int16_t pc; /* Set all GPRs to 0 */ for (pc = 0; pc < 256; pc++) emuxki_write(sc, 0, EMU_DSP_GPR(pc), 0); for (pc = 0; pc < 160; pc++) { emuxki_write(sc, 0, EMU_TANKMEMDATAREGBASE + pc, 0); emuxki_write(sc, 0, EMU_TANKMEMADDRREGBASE + pc, 0); } pc = 0; /* AC97 Out (l/r) = AC97 In (l/r) + FX[0/1] * 4 */ emuxki_dsp_addop(sc, &pc, EMU_DSP_OP_MACINTS, EMU_DSP_OUTL(EMU_DSP_OUT_AC97), EMU_DSP_CST(0), EMU_DSP_FX(0), EMU_DSP_CST(4)); emuxki_dsp_addop(sc, &pc, EMU_DSP_OP_MACINTS, EMU_DSP_OUTR(EMU_DSP_OUT_AC97), EMU_DSP_CST(0), EMU_DSP_FX(1), EMU_DSP_CST(4)); /* Rear channel OUT (l/r) = FX[2/3] * 4 */ #if 0 emuxki_dsp_addop(sc, &pc, EMU_DSP_OP_MACINTS, EMU_DSP_OUTL(EMU_DSP_OUT_RCHAN), EMU_DSP_OUTL(EMU_DSP_OUT_AC97), EMU_DSP_FX(0), EMU_DSP_CST(4)); emuxki_dsp_addop(sc, &pc, EMU_DSP_OP_MACINTS, EMU_DSP_OUTR(EMU_DSP_OUT_RCHAN), EMU_DSP_OUTR(EMU_DSP_OUT_AC97), EMU_DSP_FX(1), EMU_DSP_CST(4)); #endif /* ADC recording (l/r) = AC97 In (l/r) */ emuxki_dsp_addop(sc, &pc, EMU_DSP_OP_ACC3, EMU_DSP_OUTL(EMU_DSP_OUT_ADC), EMU_DSP_INL(EMU_DSP_IN_AC97), EMU_DSP_CST(0), EMU_DSP_CST(0)); emuxki_dsp_addop(sc, &pc, EMU_DSP_OP_ACC3, EMU_DSP_OUTR(EMU_DSP_OUT_ADC), EMU_DSP_INR(EMU_DSP_IN_AC97), EMU_DSP_CST(0), EMU_DSP_CST(0)); /* zero out the rest of the microcode */ while (pc < 512) emuxki_dsp_addop(sc, &pc, EMU_DSP_OP_ACC3, EMU_DSP_CST(0), EMU_DSP_CST(0), EMU_DSP_CST(0), EMU_DSP_CST(0)); emuxki_write(sc, 0, EMU_DBG, 0); /* Is it really necessary ? */ } int emuxki_init(struct emuxki_softc *sc) { u_int16_t i; u_int32_t spcs, *ptb; bus_addr_t silentpage; /* disable any channel interrupt */ emuxki_write(sc, 0, EMU_CLIEL, 0); emuxki_write(sc, 0, EMU_CLIEH, 0); emuxki_write(sc, 0, EMU_SOLEL, 0); emuxki_write(sc, 0, EMU_SOLEH, 0); /* Set recording buffers sizes to zero */ emuxki_write(sc, 0, EMU_MICBS, EMU_RECBS_BUFSIZE_NONE); emuxki_write(sc, 0, EMU_MICBA, 0); emuxki_write(sc, 0, EMU_FXBS, EMU_RECBS_BUFSIZE_NONE); emuxki_write(sc, 0, EMU_FXBA, 0); emuxki_write(sc, 0, EMU_ADCBS, EMU_RECBS_BUFSIZE_NONE); emuxki_write(sc, 0, EMU_ADCBA, 0); /* Initialize all channels to stopped and no effects */ for (i = 0; i < EMU_NUMCHAN; i++) { emuxki_write(sc, i, EMU_CHAN_DCYSUSV, 0); emuxki_write(sc, i, EMU_CHAN_IP, 0); emuxki_write(sc, i, EMU_CHAN_VTFT, 0xffff); emuxki_write(sc, i, EMU_CHAN_CVCF, 0xffff); emuxki_write(sc, i, EMU_CHAN_PTRX, 0); emuxki_write(sc, i, EMU_CHAN_CPF, 0); emuxki_write(sc, i, EMU_CHAN_CCR, 0); emuxki_write(sc, i, EMU_CHAN_PSST, 0); emuxki_write(sc, i, EMU_CHAN_DSL, 0x10); /* Why 16 ? */ emuxki_write(sc, i, EMU_CHAN_CCCA, 0); emuxki_write(sc, i, EMU_CHAN_Z1, 0); emuxki_write(sc, i, EMU_CHAN_Z2, 0); emuxki_write(sc, i, EMU_CHAN_FXRT, 0x32100000); emuxki_write(sc, i, EMU_CHAN_ATKHLDM, 0); emuxki_write(sc, i, EMU_CHAN_DCYSUSM, 0); emuxki_write(sc, i, EMU_CHAN_IFATN, 0xffff); emuxki_write(sc, i, EMU_CHAN_PEFE, 0); emuxki_write(sc, i, EMU_CHAN_FMMOD, 0); emuxki_write(sc, i, EMU_CHAN_TREMFRQ, 24); emuxki_write(sc, i, EMU_CHAN_FM2FRQ2, 24); emuxki_write(sc, i, EMU_CHAN_TEMPENV, 0); /* these are last so OFF prevents writing */ emuxki_write(sc, i, EMU_CHAN_LFOVAL2, 0); emuxki_write(sc, i, EMU_CHAN_LFOVAL1, 0); emuxki_write(sc, i, EMU_CHAN_ATKHLDV, 0); emuxki_write(sc, i, EMU_CHAN_ENVVOL, 0); emuxki_write(sc, i, EMU_CHAN_ENVVAL, 0); } /* set digital outputs format */ spcs = (EMU_SPCS_CLKACCY_1000PPM | EMU_SPCS_SAMPLERATE_48 | EMU_SPCS_CHANNELNUM_LEFT | EMU_SPCS_SOURCENUM_UNSPEC | EMU_SPCS_GENERATIONSTATUS | 0x00001200 /* Cat code. */ | 0x00000000 /* IEC-958 Mode */ | EMU_SPCS_EMPHASIS_NONE | EMU_SPCS_COPYRIGHT); emuxki_write(sc, 0, EMU_SPCS0, spcs); emuxki_write(sc, 0, EMU_SPCS1, spcs); emuxki_write(sc, 0, EMU_SPCS2, spcs); /* Let's play with sound processor */ emuxki_initfx(sc); /* Here is our Page Table */ if ((sc->ptb = emuxki_dmamem_alloc(sc->sc_dmat, EMU_MAXPTE * sizeof(u_int32_t), EMU_DMA_ALIGN, EMU_DMAMEM_NSEG, M_DEVBUF, M_WAITOK)) == NULL) return (ENOMEM); /* This is necessary unless you like Metallic noise... */ if ((sc->silentpage = emuxki_dmamem_alloc(sc->sc_dmat, EMU_PTESIZE, EMU_DMA_ALIGN, EMU_DMAMEM_NSEG, M_DEVBUF, M_WAITOK))==NULL){ emuxki_dmamem_free(sc->ptb, M_DEVBUF); return (ENOMEM); } /* Zero out the silent page */ /* This might not be always true, it might be 128 for 8bit channels */ memset(KERNADDR(sc->silentpage), 0, DMASIZE(sc->silentpage)); /* * Set all the PTB Entries to the silent page We shift the physical * address by one and OR it with the page number. I don't know what * the ORed index is for, might be a very useful unused feature... */ silentpage = DMAADDR(sc->silentpage) << 1; ptb = KERNADDR(sc->ptb); for (i = 0; i < EMU_MAXPTE; i++) ptb[i] = silentpage | i; /* Write PTB address and set TCB to none */ emuxki_write(sc, 0, EMU_PTB, DMAADDR(sc->ptb)); emuxki_write(sc, 0, EMU_TCBS, 0); /* This means 16K TCB */ emuxki_write(sc, 0, EMU_TCB, 0); /* No TCB use for now */ /* * Set channels MAPs to the silent page. * I don't know what MAPs are for. */ silentpage |= EMU_CHAN_MAP_PTI_MASK; for (i = 0; i < EMU_NUMCHAN; i++) { emuxki_write(sc, i, EMU_CHAN_MAPA, silentpage); emuxki_write(sc, i, EMU_CHAN_MAPB, silentpage); sc->channel[i] = NULL; } /* Init voices list */ LIST_INIT(&(sc->voices)); /* Timer is stopped */ sc->timerstate &= ~EMU_TIMER_STATE_ENABLED; return (0); } void emuxki_shutdown(struct emuxki_softc *sc) { u_int32_t i; /* Disable any Channels interrupts */ emuxki_write(sc, 0, EMU_CLIEL, 0); emuxki_write(sc, 0, EMU_CLIEH, 0); emuxki_write(sc, 0, EMU_SOLEL, 0); emuxki_write(sc, 0, EMU_SOLEH, 0); /* * Should do some voice(stream) stopping stuff here, that's what will * stop and deallocate all channels. */ /* Stop all channels */ /* XXX This shouldn't be necessary, I'll remove once everything works */ for (i = 0; i < EMU_NUMCHAN; i++) emuxki_write(sc, i, EMU_CHAN_DCYSUSV, 0); for (i = 0; i < EMU_NUMCHAN; i++) { emuxki_write(sc, i, EMU_CHAN_VTFT, 0); emuxki_write(sc, i, EMU_CHAN_CVCF, 0); emuxki_write(sc, i, EMU_CHAN_PTRX, 0); emuxki_write(sc, i, EMU_CHAN_CPF, 0); } /* * Deallocate Emu10k1 caches and recording buffers. Again it will be * removed because it will be done in voice shutdown. */ emuxki_write(sc, 0, EMU_MICBS, EMU_RECBS_BUFSIZE_NONE); emuxki_write(sc, 0, EMU_MICBA, 0); emuxki_write(sc, 0, EMU_FXBS, EMU_RECBS_BUFSIZE_NONE); emuxki_write(sc, 0, EMU_FXBA, 0); emuxki_write(sc, 0, EMU_FXWC, 0); emuxki_write(sc, 0, EMU_ADCBS, EMU_RECBS_BUFSIZE_NONE); emuxki_write(sc, 0, EMU_ADCBA, 0); /* * XXX I don't know yet how I will handle tank cache buffer, * I don't even clearly know what it is for. */ emuxki_write(sc, 0, EMU_TCB, 0); /* 16K again */ emuxki_write(sc, 0, EMU_TCBS, 0); emuxki_write(sc, 0, EMU_DBG, 0x8000); /* necessary ? */ emuxki_dmamem_free(sc->silentpage, M_DEVBUF); emuxki_dmamem_free(sc->ptb, M_DEVBUF); } /* Emu10k1 Memory management */ struct emuxki_mem * emuxki_mem_new(struct emuxki_softc *sc, int ptbidx, size_t size, int type, int flags) { struct emuxki_mem *mem; if ((mem = malloc(sizeof(*mem), type, flags)) == NULL) return (NULL); mem->ptbidx = ptbidx; if ((mem->dmamem = emuxki_dmamem_alloc(sc->sc_dmat, size, EMU_DMA_ALIGN, EMU_DMAMEM_NSEG, type, flags)) == NULL) { free(mem, type); return (NULL); } return (mem); } void emuxki_mem_delete(struct emuxki_mem *mem, int type) { emuxki_dmamem_free(mem->dmamem, type); free(mem, type); } void * emuxki_pmem_alloc(struct emuxki_softc *sc, size_t size, int type, int flags) { int i, j, s; size_t numblocks; struct emuxki_mem *mem; u_int32_t *ptb, silentpage; ptb = KERNADDR(sc->ptb); silentpage = DMAADDR(sc->silentpage) << 1; numblocks = size / EMU_PTESIZE; if (size % EMU_PTESIZE) numblocks++; for (i = 0; i < EMU_MAXPTE; i++) if ((ptb[i] & EMU_CHAN_MAP_PTE_MASK) == silentpage) { /* We look for a free PTE */ s = splaudio(); for (j = 0; j < numblocks; j++) if ((ptb[i + j] & EMU_CHAN_MAP_PTE_MASK) != silentpage) break; if (j == numblocks) { if ((mem = emuxki_mem_new(sc, i, size, type, flags)) == NULL) { splx(s); return (NULL); } for (j = 0; j < numblocks; j++) ptb[i + j] = (((DMAADDR(mem->dmamem) + j * EMU_PTESIZE)) << 1) | (i + j); LIST_INSERT_HEAD(&(sc->mem), mem, next); splx(s); return (KERNADDR(mem->dmamem)); } else i += j; splx(s); } return (NULL); } void * emuxki_rmem_alloc(struct emuxki_softc *sc, size_t size, int type, int flags) { struct emuxki_mem *mem; int s; mem = emuxki_mem_new(sc, EMU_RMEM, size, type, flags); if (mem == NULL) return (NULL); s = splaudio(); LIST_INSERT_HEAD(&(sc->mem), mem, next); splx(s); return (KERNADDR(mem->dmamem)); } /* * emuxki_channel_* : Channel management functions * emuxki_chanparms_* : Channel parameters modification functions */ /* * is splaudio necessary here, can the same voice be manipulated by two * different threads at a time ? */ void emuxki_chanparms_set_defaults(struct emuxki_channel *chan) { chan->fxsend.a.level = chan->fxsend.b.level = chan->fxsend.c.level = chan->fxsend.d.level = 0xc0; /* not max */ chan->fxsend.a.dest = 0x0; chan->fxsend.b.dest = 0x1; chan->fxsend.c.dest = 0x2; chan->fxsend.d.dest = 0x3; chan->pitch.initial = 0x0000; /* shouldn't it be 0xE000 ? */ chan->pitch.current = 0x0000; /* should it be 0x0400 */ chan->pitch.target = 0x0000; /* the unity pitch shift ? */ chan->pitch.envelope_amount = 0x00; /* none */ chan->initial_attenuation = 0x00; /* no attenuation */ chan->volume.current = 0x0000; /* no volume */ chan->volume.target = 0xffff; chan->volume.envelope.current_state = 0x8000; /* 0 msec delay */ chan->volume.envelope.hold_time = 0x7f; /* 0 msec */ chan->volume.envelope.attack_time = 0x7F; /* 5.5msec */ chan->volume.envelope.sustain_level = 0x7F; /* full */ chan->volume.envelope.decay_time = 0x7F; /* 22msec */ chan->filter.initial_cutoff_frequency = 0xff; /* no filter */ chan->filter.current_cutoff_frequency = 0xffff; /* no filtering */ chan->filter.target_cutoff_frequency = 0xffff; /* no filtering */ chan->filter.lowpass_resonance_height = 0x0; chan->filter.interpolation_ROM = 0x1; /* full band */ chan->filter.envelope_amount = 0x7f; /* none */ chan->filter.LFO_modulation_depth = 0x00; /* none */ chan->loop.start = 0x000000; chan->loop.end = 0x000010; /* Why ? */ chan->modulation.envelope.current_state = 0x8000; chan->modulation.envelope.hold_time = 0x00; /* 127 better ? */ chan->modulation.envelope.attack_time = 0x00; /* infinite */ chan->modulation.envelope.sustain_level = 0x00; /* off */ chan->modulation.envelope.decay_time = 0x7f; /* 22 msec */ chan->modulation.LFO_state = 0x8000; chan->vibrato_LFO.state = 0x8000; chan->vibrato_LFO.modulation_depth = 0x00; /* none */ chan->vibrato_LFO.vibrato_depth = 0x00; chan->vibrato_LFO.frequency = 0x00; /* Why set to 24 when * initialized ? */ chan->tremolo_depth = 0x00; } /* only call it at splaudio */ struct emuxki_channel * emuxki_channel_new(struct emuxki_voice *voice, u_int8_t num) { struct emuxki_channel *chan; chan = malloc(sizeof(struct emuxki_channel), M_DEVBUF, M_WAITOK); if (chan == NULL) return (NULL); chan->voice = voice; chan->num = num; emuxki_chanparms_set_defaults(chan); chan->voice->sc->channel[num] = chan; return (chan); } /* only call it at splaudio */ void emuxki_channel_delete(struct emuxki_channel *chan) { chan->voice->sc->channel[chan->num] = NULL; free(chan, M_DEVBUF); } void emuxki_channel_set_fxsend(struct emuxki_channel *chan, struct emuxki_chanparms_fxsend *fxsend) { /* Could do a memcpy ...*/ chan->fxsend.a.level = fxsend->a.level; chan->fxsend.b.level = fxsend->b.level; chan->fxsend.c.level = fxsend->c.level; chan->fxsend.d.level = fxsend->d.level; chan->fxsend.a.dest = fxsend->a.dest; chan->fxsend.b.dest = fxsend->b.dest; chan->fxsend.c.dest = fxsend->c.dest; chan->fxsend.d.dest = fxsend->d.dest; } void emuxki_channel_set_srate(struct emuxki_channel *chan, u_int32_t srate) { chan->pitch.target = (srate << 8) / 375; chan->pitch.target = (chan->pitch.target >> 1) + (chan->pitch.target & 1); chan->pitch.target &= 0xffff; chan->pitch.current = chan->pitch.target; chan->pitch.initial = (emuxki_rate_to_pitch(srate) >> 8) & EMU_CHAN_IP_MASK; } /* voice params must be set before calling this */ void emuxki_channel_set_bufparms(struct emuxki_channel *chan, u_int32_t start, u_int32_t end) { chan->loop.start = start & EMU_CHAN_PSST_LOOPSTARTADDR_MASK; chan->loop.end = end & EMU_CHAN_DSL_LOOPENDADDR_MASK; } void emuxki_channel_commit_parms(struct emuxki_channel *chan) { struct emuxki_voice *voice = chan->voice; struct emuxki_softc *sc = voice->sc; u_int32_t start, mapval; u_int8_t chano = chan->num; int s; start = chan->loop.start + (voice->stereo ? 28 : 30) * (voice->b16 + 1); mapval = DMAADDR(sc->silentpage) << 1 | EMU_CHAN_MAP_PTI_MASK; s = splaudio(); emuxki_write(sc, chano, EMU_CHAN_CPF_STEREO, voice->stereo); emuxki_write(sc, chano, EMU_CHAN_FXRT, (chan->fxsend.d.dest << 28) | (chan->fxsend.c.dest << 24) | (chan->fxsend.b.dest << 20) | (chan->fxsend.a.dest << 16)); emuxki_write(sc, chano, 0x10000000 | EMU_CHAN_PTRX, (chan->fxsend.a.level << 8) | chan->fxsend.b.level); emuxki_write(sc, chano, EMU_CHAN_DSL, (chan->fxsend.d.level << 24) | chan->loop.end); emuxki_write(sc, chano, EMU_CHAN_PSST, (chan->fxsend.c.level << 24) | chan->loop.start); emuxki_write(sc, chano, EMU_CHAN_CCCA, (chan->filter.lowpass_resonance_height << 28) | (chan->filter.interpolation_ROM << 25) | (voice->b16 ? 0 : EMU_CHAN_CCCA_8BITSELECT) | start); emuxki_write(sc, chano, EMU_CHAN_Z1, 0); emuxki_write(sc, chano, EMU_CHAN_Z2, 0); emuxki_write(sc, chano, EMU_CHAN_MAPA, mapval); emuxki_write(sc, chano, EMU_CHAN_MAPB, mapval); emuxki_write(sc, chano, EMU_CHAN_CVCF_CURRFILTER, chan->filter.current_cutoff_frequency); emuxki_write(sc, chano, EMU_CHAN_VTFT_FILTERTARGET, chan->filter.target_cutoff_frequency); emuxki_write(sc, chano, EMU_CHAN_ATKHLDM, (chan->modulation.envelope.hold_time << 8) | chan->modulation.envelope.attack_time); emuxki_write(sc, chano, EMU_CHAN_DCYSUSM, (chan->modulation.envelope.sustain_level << 8) | chan->modulation.envelope.decay_time); emuxki_write(sc, chano, EMU_CHAN_LFOVAL1, chan->modulation.LFO_state); emuxki_write(sc, chano, EMU_CHAN_LFOVAL2, chan->vibrato_LFO.state); emuxki_write(sc, chano, EMU_CHAN_FMMOD, (chan->vibrato_LFO.modulation_depth << 8) | chan->filter.LFO_modulation_depth); emuxki_write(sc, chano, EMU_CHAN_TREMFRQ, (chan->tremolo_depth << 8)); emuxki_write(sc, chano, EMU_CHAN_FM2FRQ2, (chan->vibrato_LFO.vibrato_depth << 8) | chan->vibrato_LFO.frequency); emuxki_write(sc, chano, EMU_CHAN_ENVVAL, chan->modulation.envelope.current_state); emuxki_write(sc, chano, EMU_CHAN_ATKHLDV, (chan->volume.envelope.hold_time << 8) | chan->volume.envelope.attack_time); emuxki_write(sc, chano, EMU_CHAN_ENVVOL, chan->volume.envelope.current_state); emuxki_write(sc, chano, EMU_CHAN_PEFE, (chan->pitch.envelope_amount << 8) | chan->filter.envelope_amount); splx(s); } void emuxki_channel_start(struct emuxki_channel *chan) { struct emuxki_voice *voice = chan->voice; struct emuxki_softc *sc = voice->sc; u_int8_t cache_sample, cache_invalid_size, chano = chan->num; u_int32_t sample; int s; cache_sample = voice->stereo ? 4 : 2; sample = voice->b16 ? 0x00000000 : 0x80808080; cache_invalid_size = (voice->stereo ? 28 : 30) * (voice->b16 + 1); s = splaudio(); while (cache_sample--) { emuxki_write(sc, chano, EMU_CHAN_CD0 + cache_sample, sample); } emuxki_write(sc, chano, EMU_CHAN_CCR_CACHEINVALIDSIZE, 0); emuxki_write(sc, chano, EMU_CHAN_CCR_READADDRESS, 64); emuxki_write(sc, chano, EMU_CHAN_CCR_CACHEINVALIDSIZE, cache_invalid_size); emuxki_write(sc, chano, EMU_CHAN_IFATN, (chan->filter.target_cutoff_frequency << 8) | chan->initial_attenuation); emuxki_write(sc, chano, EMU_CHAN_VTFT_VOLUMETARGET, chan->volume.target); emuxki_write(sc, chano, EMU_CHAN_CVCF_CURRVOL, chan->volume.current); emuxki_write(sc, 0, EMU_MKSUBREG(1, chano, EMU_SOLEL + (chano >> 5)), 0); /* Clear stop on loop */ emuxki_write(sc, 0, EMU_MKSUBREG(1, chano, EMU_CLIEL + (chano >> 5)), 0); /* Clear loop interrupt */ emuxki_write(sc, chano, EMU_CHAN_DCYSUSV, (chan->volume.envelope.sustain_level << 8) | chan->volume.envelope.decay_time); emuxki_write(sc, chano, EMU_CHAN_PTRX_PITCHTARGET, chan->pitch.target); emuxki_write(sc, chano, EMU_CHAN_CPF_PITCH, chan->pitch.current); emuxki_write(sc, chano, EMU_CHAN_IP, chan->pitch.initial); splx(s); } void emuxki_channel_stop(struct emuxki_channel *chan) { int s; u_int8_t chano = chan->num; struct emuxki_softc *sc = chan->voice->sc; s = splaudio(); emuxki_write(sc, chano, EMU_CHAN_PTRX_PITCHTARGET, 0); emuxki_write(sc, chano, EMU_CHAN_CPF_PITCH, 0); emuxki_write(sc, chano, EMU_CHAN_IFATN_ATTENUATION, 0xff); emuxki_write(sc, chano, EMU_CHAN_VTFT_VOLUMETARGET, 0); emuxki_write(sc, chano, EMU_CHAN_CVCF_CURRVOL, 0); emuxki_write(sc, chano, EMU_CHAN_IP, 0); splx(s); } /* * Voices management * emuxki_voice_dataloc : use(play or rec) independant dataloc union helpers * emuxki_voice_channel_* : play part of dataloc union helpers * emuxki_voice_recsrc_* : rec part of dataloc union helpers */ /* Allocate channels for voice in case of play voice */ int emuxki_voice_channel_create(struct emuxki_voice *voice) { struct emuxki_channel **channel = voice->sc->channel; u_int8_t i, stereo = voice->stereo; int s; for (i = 0; i < EMU_NUMCHAN; i += stereo + 1) { if ((stereo && (channel[i + 1] != NULL)) || (channel[i] != NULL)) /* Looking for free channels */ continue; s = splaudio(); if (stereo) { voice->dataloc.chan[1] = emuxki_channel_new(voice, i + 1); if (voice->dataloc.chan[1] == NULL) { splx(s); return (ENOMEM); } } voice->dataloc.chan[0] = emuxki_channel_new(voice, i); if (voice->dataloc.chan[0] == NULL) { if (stereo) { emuxki_channel_delete(voice->dataloc.chan[1]); voice->dataloc.chan[1] = NULL; } splx(s); return (ENOMEM); } splx(s); return (0); } return (EAGAIN); } /* When calling this function we assume no one can access the voice */ void emuxki_voice_channel_destroy(struct emuxki_voice *voice) { emuxki_channel_delete(voice->dataloc.chan[0]); voice->dataloc.chan[0] = NULL; if (voice->stereo) emuxki_channel_delete(voice->dataloc.chan[1]); voice->dataloc.chan[1] = NULL; } /* * Will come back when used in voice_dataloc_create */ int emuxki_recsrc_reserve(struct emuxki_voice *voice, emuxki_recsrc_t source) { if (source < 0 || source >= EMU_NUMRECSRCS) { #ifdef EMUXKI_DEBUG printf("Tryed to reserve invalid source: %d\n", source); #endif return (EINVAL); } if (voice->sc->recsrc[source] == voice) return (0); /* XXX */ if (voice->sc->recsrc[source] != NULL) return (EBUSY); voice->sc->recsrc[source] = voice; return (0); } int emuxki_recsrc_rate_to_index(int srate) { int index; for (index = 0; ; index++) { if (emuxki_recsrc_adcrates[index] == srate) return (index); if (emuxki_recsrc_adcrates[index] < 0) return (-1); } } /* When calling this function we assume the voice is stopped */ void emuxki_voice_recsrc_release(struct emuxki_softc *sc, emuxki_recsrc_t source) { sc->recsrc[source] = NULL; } int emuxki_voice_dataloc_create(struct emuxki_voice *voice) { int error; if (voice->use & EMU_VOICE_USE_PLAY) { if ((error = emuxki_voice_channel_create(voice))) return (error); } else { if ((error = emuxki_recsrc_reserve(voice, voice->dataloc.source))) return (error); } return (0); } void emuxki_voice_dataloc_destroy(struct emuxki_voice *voice) { if (voice->use & EMU_VOICE_USE_PLAY) { if (voice->dataloc.chan[0] != NULL) emuxki_voice_channel_destroy(voice); } else { if (voice->dataloc.source != EMU_RECSRC_NOTSET) { emuxki_voice_recsrc_release(voice->sc, voice->dataloc.source); voice->dataloc.source = EMU_RECSRC_NOTSET; } } } struct emuxki_voice * emuxki_voice_new(struct emuxki_softc *sc, u_int8_t use) { struct emuxki_voice *voice; int s; s = splaudio(); voice = sc->lvoice; sc->lvoice = NULL; splx(s); if (!voice) { if (!(voice = malloc(sizeof(*voice), M_DEVBUF, M_WAITOK))) return (NULL); } else if (voice->use != use) emuxki_voice_dataloc_destroy(voice); else goto skip_initialize; voice->sc = sc; voice->state = !EMU_VOICE_STATE_STARTED; voice->stereo = EMU_VOICE_STEREO_NOTSET; voice->b16 = 0; voice->sample_rate = 0; if (use & EMU_VOICE_USE_PLAY) voice->dataloc.chan[0] = voice->dataloc.chan[1] = NULL; else voice->dataloc.source = EMU_RECSRC_NOTSET; voice->buffer = NULL; voice->blksize = 0; voice->trigblk = 0; voice->blkmod = 0; voice->inth = NULL; voice->inthparam = NULL; voice->use = use; skip_initialize: s = splaudio(); LIST_INSERT_HEAD((&sc->voices), voice, next); splx(s); return (voice); } void emuxki_voice_delete(struct emuxki_voice *voice) { struct emuxki_softc *sc = voice->sc; struct emuxki_voice *lvoice; int s; if (voice->state & EMU_VOICE_STATE_STARTED) emuxki_voice_halt(voice); s = splaudio(); LIST_REMOVE(voice, next); lvoice = sc->lvoice; sc->lvoice = voice; splx(s); if (lvoice) { emuxki_voice_dataloc_destroy(lvoice); free(lvoice, M_DEVBUF); } } int emuxki_voice_set_stereo(struct emuxki_voice *voice, u_int8_t stereo) { int error; emuxki_recsrc_t source = 0; /* XXX: gcc */ struct emuxki_chanparms_fxsend fxsend; if (! (voice->use & EMU_VOICE_USE_PLAY)) source = voice->dataloc.source; emuxki_voice_dataloc_destroy(voice); if (! (voice->use & EMU_VOICE_USE_PLAY)) voice->dataloc.source = source; voice->stereo = stereo; if ((error = emuxki_voice_dataloc_create(voice))) return (error); if (voice->use & EMU_VOICE_USE_PLAY) { fxsend.a.dest = 0x0; fxsend.b.dest = 0x1; fxsend.c.dest = 0x2; fxsend.d.dest = 0x3; if (voice->stereo) { fxsend.a.level = fxsend.c.level = 0xc0; fxsend.b.level = fxsend.d.level = 0x00; emuxki_channel_set_fxsend(voice->dataloc.chan[0], &fxsend); fxsend.a.level = fxsend.c.level = 0x00; fxsend.b.level = fxsend.d.level = 0xc0; emuxki_channel_set_fxsend(voice->dataloc.chan[1], &fxsend); } /* No else : default is good for mono */ } return (0); } int emuxki_voice_set_srate(struct emuxki_voice *voice, u_int32_t srate) { if (voice->use & EMU_VOICE_USE_PLAY) { if ((srate < 4000) || (srate > 48000)) return (EINVAL); voice->sample_rate = srate; emuxki_channel_set_srate(voice->dataloc.chan[0], srate); if (voice->stereo) emuxki_channel_set_srate(voice->dataloc.chan[1], srate); } else { if (emuxki_recsrc_rate_to_index(srate) < 0) return (EINVAL); voice->sample_rate = srate; } return (0); } int emuxki_voice_set_audioparms(struct emuxki_voice *voice, u_int8_t stereo, u_int8_t b16, u_int32_t srate) { int error = 0; /* * Audio driver tried to set recording AND playing params even if * device opened in play or record only mode ==> * modified emuxki_set_params. * Stays here for now just in case ... */ if (voice == NULL) { #ifdef EMUXKI_DEBUG printf("warning: tried to set unallocated voice params !!\n"); #endif return (0); } if (voice->stereo == stereo && voice->b16 == b16 && voice->sample_rate == srate) return (0); #ifdef EMUXKI_DEBUG printf("Setting %s voice params : %s, %u bits, %u hz\n", (voice->use & EMU_VOICE_USE_PLAY) ? "play" : "record", stereo ? "stereo" : "mono", (b16 + 1) * 8, srate); #endif if (voice->stereo != stereo) { if ((error = emuxki_voice_set_stereo(voice, stereo))) return (error); } voice->b16 = b16; if (voice->sample_rate != srate) error = emuxki_voice_set_srate(voice, srate); return error; } /* voice audio parms (see just before) must be set prior to this */ int emuxki_voice_set_bufparms(struct emuxki_voice *voice, void *ptr, u_int32_t bufsize, u_int16_t blksize) { struct emuxki_mem *mem; struct emuxki_channel **chan; u_int32_t start, end; u_int8_t sample_size; int idx; int error = EFAULT; LIST_FOREACH(mem, &voice->sc->mem, next) { if (KERNADDR(mem->dmamem) != ptr) continue; voice->buffer = mem; sample_size = (voice->b16 + 1) * (voice->stereo + 1); voice->trigblk = 0; /* This shouldn't be needed */ voice->blkmod = bufsize / blksize; if (bufsize % blksize) /* This should not happen */ voice->blkmod++; error = 0; if (voice->use & EMU_VOICE_USE_PLAY) { voice->blksize = blksize / sample_size; chan = voice->dataloc.chan; start = mem->ptbidx << 12; end = start + bufsize / sample_size; emuxki_channel_set_bufparms(chan[0], start, end); if (voice->stereo) emuxki_channel_set_bufparms(chan[1], start, end); voice->timerate = (u_int32_t) 48000 * voice->blksize / voice->sample_rate; if (voice->timerate < 5) error = EINVAL; } else { voice->blksize = blksize; for(idx = sizeof(emuxki_recbuf_sz) / sizeof(emuxki_recbuf_sz[0]); --idx >= 0;) if (emuxki_recbuf_sz[idx] == bufsize) break; if (idx < 0) { #ifdef EMUXKI_DEBUG printf("Invalid bufsize: %d\n", bufsize); #endif return (EINVAL); } emuxki_write(voice->sc, 0, emuxki_recsrc_szreg[voice->dataloc.source], idx); emuxki_write(voice->sc, 0, emuxki_recsrc_bufaddrreg[voice->dataloc.source], DMAADDR(mem->dmamem)); /* Use timer to emulate DMA completion interrupt */ voice->timerate = (u_int32_t) 48000 * blksize / (voice->sample_rate * sample_size); if (voice->timerate < 5) { #ifdef EMUXKI_DEBUG printf("Invalid timerate: %d, blksize %d\n", voice->timerate, blksize); #endif error = EINVAL; } } break; } return (error); } void emuxki_voice_commit_parms(struct emuxki_voice *voice) { if (voice->use & EMU_VOICE_USE_PLAY) { emuxki_channel_commit_parms(voice->dataloc.chan[0]); if (voice->stereo) emuxki_channel_commit_parms(voice->dataloc.chan[1]); } } u_int32_t emuxki_voice_curaddr(struct emuxki_voice *voice) { /* XXX different semantics in these cases */ if (voice->use & EMU_VOICE_USE_PLAY) /* returns number of samples (an l/r pair counts 1) */ return (emuxki_read(voice->sc, voice->dataloc.chan[0]->num, EMU_CHAN_CCCA_CURRADDR) - voice->dataloc.chan[0]->loop.start); else /* returns number of bytes */ return (emuxki_read(voice->sc, 0, emuxki_recsrc_idxreg[voice->dataloc.source]) & EMU_RECIDX_MASK); return (0); } void emuxki_resched_timer(struct emuxki_softc *sc) { struct emuxki_voice *voice; u_int16_t timerate = 1024; u_int8_t active = 0; int s; s = splaudio(); LIST_FOREACH(voice, &sc->voices, next) { if ((voice->state & EMU_VOICE_STATE_STARTED) == 0) continue; active = 1; if (voice->timerate < timerate) timerate = voice->timerate; } if (timerate & ~EMU_TIMER_RATE_MASK) timerate = 0; bus_space_write_2(sc->sc_iot, sc->sc_ioh, EMU_TIMER, timerate); if (!active && (sc->timerstate & EMU_TIMER_STATE_ENABLED)) { bus_space_write_4(sc->sc_iot, sc->sc_ioh, EMU_INTE, bus_space_read_4(sc->sc_iot, sc->sc_ioh, EMU_INTE) & ~EMU_INTE_INTERTIMERENB); sc->timerstate &= ~EMU_TIMER_STATE_ENABLED; } else if (active && !(sc->timerstate & EMU_TIMER_STATE_ENABLED)) { bus_space_write_4(sc->sc_iot, sc->sc_ioh, EMU_INTE, bus_space_read_4(sc->sc_iot, sc->sc_ioh, EMU_INTE) | EMU_INTE_INTERTIMERENB); sc->timerstate |= EMU_TIMER_STATE_ENABLED; } splx(s); } void emuxki_voice_start(struct emuxki_voice *voice, void (*inth) (void *), void *inthparam) { u_int32_t val; voice->inth = inth; voice->inthparam = inthparam; if (voice->use & EMU_VOICE_USE_PLAY) { voice->trigblk = 1; emuxki_channel_start(voice->dataloc.chan[0]); if (voice->stereo) emuxki_channel_start(voice->dataloc.chan[1]); } else { voice->trigblk = 1; switch ((int)voice->dataloc.source) { case EMU_RECSRC_ADC: val = EMU_ADCCR_LCHANENABLE; /* XXX need to program DSP to output L+R * XXX in monaural case? */ if (voice->stereo) val |= EMU_ADCCR_RCHANENABLE; val |= emuxki_recsrc_rate_to_index(voice->sample_rate); emuxki_write(voice->sc, 0, EMU_ADCCR, 0); emuxki_write(voice->sc, 0, EMU_ADCCR, val); break; case EMU_RECSRC_MIC: case EMU_RECSRC_FX: printf("unimplemented\n"); break; } #if 0 /* DMA completion interrupt is useless; use timer */ int s; s = splaudio(); val = emu_rd(sc, INTE, 4); val |= emuxki_recsrc_intrmasks[voice->dataloc.source]; emu_wr(sc, INTE, val, 4); splx(s); #endif } voice->state |= EMU_VOICE_STATE_STARTED; emuxki_resched_timer(voice->sc); } void emuxki_voice_halt(struct emuxki_voice *voice) { if (voice->use & EMU_VOICE_USE_PLAY) { emuxki_channel_stop(voice->dataloc.chan[0]); if (voice->stereo) emuxki_channel_stop(voice->dataloc.chan[1]); } else { switch (voice->dataloc.source) { case EMU_RECSRC_ADC: emuxki_write(voice->sc, 0, EMU_ADCCR, 0); break; case EMU_RECSRC_FX: case EMU_RECSRC_MIC: printf("unimplemented\n"); break; case EMU_RECSRC_NOTSET: printf("Bad dataloc.source\n"); } /* This should reset buffer pointer */ emuxki_write(voice->sc, 0, emuxki_recsrc_szreg[voice->dataloc.source], EMU_RECBS_BUFSIZE_NONE); #if 0 int s; s = splaudio(); val = emu_rd(sc, INTE, 4); val &= ~emuxki_recsrc_intrmasks[voice->dataloc.source]; emu_wr(sc, INTE, val, 4); splx(s); #endif } voice->state &= ~EMU_VOICE_STATE_STARTED; emuxki_resched_timer(voice->sc); } /* * The interrupt handler */ int emuxki_intr(void *arg) { struct emuxki_softc *sc = arg; u_int32_t ipr, curblk, us = 0; struct emuxki_voice *voice; while ((ipr = bus_space_read_4(sc->sc_iot, sc->sc_ioh, EMU_IPR))) { if (ipr & EMU_IPR_INTERVALTIMER) { LIST_FOREACH(voice, &sc->voices, next) { if ((voice->state & EMU_VOICE_STATE_STARTED) == 0) continue; curblk = emuxki_voice_curaddr(voice) / voice->blksize; #if 0 if (curblk == voice->trigblk) { voice->inth(voice->inthparam); voice->trigblk++; voice->trigblk %= voice->blkmod; } #else while ((curblk >= voice->trigblk && curblk < (voice->trigblk + voice->blkmod / 2)) || ((int)voice->trigblk - (int)curblk) > (voice->blkmod / 2 + 1)) { voice->inth(voice->inthparam); voice->trigblk++; voice->trigblk %= voice->blkmod; } #endif } us = 1; } /* Got interrupt */ bus_space_write_4(sc->sc_iot, sc->sc_ioh, EMU_IPR, ipr); } return (us); } /* * Audio Architecture callbacks */ int emuxki_open(void *addr, int flags) { struct emuxki_softc *sc = addr; #ifdef EMUXKI_DEBUG printf("%s: emuxki_open called\n", sc->sc_dev.dv_xname); #endif /* * Multiple voice support would be added as soon as I find a way to * trick the audio arch into supporting multiple voices. * Or I might integrate a modified audio arch supporting * multiple voices. */ /* * I did this because i have problems identifying the selected * recording source(s) which is necessary when setting recording * params. This will be addressed very soon. */ if (flags & AUOPEN_READ) { sc->rvoice = emuxki_voice_new(sc, 0 /* EMU_VOICE_USE_RECORD */); if (sc->rvoice == NULL) return (EBUSY); /* XXX Hardcode RECSRC_ADC for now */ sc->rvoice->dataloc.source = EMU_RECSRC_ADC; } if (flags & AUOPEN_WRITE) { sc->pvoice = emuxki_voice_new(sc, EMU_VOICE_USE_PLAY); if (sc->pvoice == NULL) { if (flags & AUOPEN_READ) emuxki_voice_delete(sc->rvoice); return (EBUSY); } } return (0); } void emuxki_close(void *addr) { struct emuxki_softc *sc = addr; #ifdef EMUXKI_DEBUG printf("%s: emu10K1_close called\n", sc->sc_dev.dv_xname); #endif /* No multiple voice support for now */ if (sc->rvoice != NULL) emuxki_voice_delete(sc->rvoice); sc->rvoice = NULL; if (sc->pvoice != NULL) emuxki_voice_delete(sc->pvoice); sc->pvoice = NULL; } int emuxki_query_encoding(void *addr, struct audio_encoding *fp) { #ifdef EMUXKI_DEBUG struct emuxki_softc *sc = addr; printf("%s: emuxki_query_encoding called\n", sc->sc_dev.dv_xname); #endif switch (fp->index) { case 0: strlcpy(fp->name, AudioEulinear, sizeof fp->name); fp->encoding = AUDIO_ENCODING_ULINEAR; fp->precision = 8; fp->flags = 0; break; case 1: strlcpy(fp->name, AudioEmulaw, sizeof fp->name); fp->encoding = AUDIO_ENCODING_ULAW; fp->precision = 8; fp->flags = AUDIO_ENCODINGFLAG_EMULATED; break; case 2: strlcpy(fp->name, AudioEalaw, sizeof fp->name); fp->encoding = AUDIO_ENCODING_ALAW; fp->precision = 8; fp->flags = AUDIO_ENCODINGFLAG_EMULATED; break; case 3: strlcpy(fp->name, AudioEslinear, sizeof fp->name); fp->encoding = AUDIO_ENCODING_SLINEAR; fp->precision = 8; fp->flags = AUDIO_ENCODINGFLAG_EMULATED; break; case 4: strlcpy(fp->name, AudioEslinear_le, sizeof fp->name); fp->encoding = AUDIO_ENCODING_SLINEAR_LE; fp->precision = 16; fp->flags = 0; break; case 5: strlcpy(fp->name, AudioEulinear_le, sizeof fp->name); fp->encoding = AUDIO_ENCODING_ULINEAR_LE; fp->precision = 16; fp->flags = AUDIO_ENCODINGFLAG_EMULATED; break; case 6: strlcpy(fp->name, AudioEslinear_be, sizeof fp->name); fp->encoding = AUDIO_ENCODING_SLINEAR_BE; fp->precision = 16; fp->flags = AUDIO_ENCODINGFLAG_EMULATED; break; case 7: strlcpy(fp->name, AudioEulinear_be, sizeof fp->name); fp->encoding = AUDIO_ENCODING_ULINEAR_BE; fp->precision = 16; fp->flags = AUDIO_ENCODINGFLAG_EMULATED; break; default: return (EINVAL); } return (0); } int emuxki_set_vparms(struct emuxki_voice *voice, struct audio_params *p) { u_int8_t b16, mode; mode = (voice->use & EMU_VOICE_USE_PLAY) ? AUMODE_PLAY : AUMODE_RECORD; p->factor = 1; p->sw_code = NULL; if (p->channels != 1 && p->channels != 2) return (EINVAL);/* Will change when streams come in use */ /* * Always use slinear_le for recording, as how to set otherwise * isn't known. */ if (mode == AUMODE_PLAY) b16 = (p->precision == 16); else { p->encoding = AUDIO_ENCODING_SLINEAR_LE; p->precision = 16; b16 = 1; if (p->precision == 8) p->factor *= 2; } switch (p->encoding) { case AUDIO_ENCODING_ULAW: if (mode == AUMODE_PLAY) { p->factor = 2; p->sw_code = mulaw_to_slinear16_le; b16 = 1; } else p->sw_code = slinear16_to_mulaw_le; break; case AUDIO_ENCODING_ALAW: if (mode == AUMODE_PLAY) { p->factor = 2; p->sw_code = alaw_to_slinear16_le; b16 = 1; } else p->sw_code = slinear16_to_alaw_le; break; case AUDIO_ENCODING_SLINEAR_LE: if (p->precision == 8) { if (mode == AUMODE_PLAY) p->sw_code = change_sign8; else p->sw_code = linear16_to_linear8_le; } break; case AUDIO_ENCODING_ULINEAR_LE: if (p->precision == 16) p->sw_code = change_sign16_le; else if (mode == AUMODE_RECORD) p->sw_code = slinear16_to_ulinear8_le; break; case AUDIO_ENCODING_SLINEAR_BE: if (p->precision == 16) p->sw_code = swap_bytes; else { if (mode == AUMODE_PLAY) p->sw_code = change_sign8; else p->sw_code = linear16_to_linear8_le; } break; case AUDIO_ENCODING_ULINEAR_BE: if (p->precision == 16) { if (mode == AUMODE_PLAY) p->sw_code = swap_bytes_change_sign16_le; else p->sw_code = change_sign16_swap_bytes_le; } else if (mode == AUMODE_RECORD) p->sw_code = slinear16_to_ulinear8_le; break; default: return (EINVAL); } return (emuxki_voice_set_audioparms(voice, p->channels == 2, b16, p->sample_rate)); } int emuxki_set_params(void *addr, int setmode, int usemode, struct audio_params *play, struct audio_params *rec) { struct emuxki_softc *sc = addr; int mode, error; struct audio_params *p; for (mode = AUMODE_RECORD; mode != -1; mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) { if ((usemode & setmode & mode) == 0) continue; p = (mode == AUMODE_PLAY) ? play : rec; /* No multiple voice support for now */ if ((error = emuxki_set_vparms((mode == AUMODE_PLAY) ? sc->pvoice : sc->rvoice, p))) return (error); } return (0); } int emuxki_halt_output(void *addr) { struct emuxki_softc *sc = addr; /* No multiple voice support for now */ if (sc->pvoice == NULL) return (ENXIO); emuxki_voice_halt(sc->pvoice); return (0); } int emuxki_halt_input(void *addr) { struct emuxki_softc *sc = addr; #ifdef EMUXKI_DEBUG printf("%s: emuxki_halt_input called\n", sc->sc_dev.dv_xname); #endif /* No multiple voice support for now */ if (sc->rvoice == NULL) return (ENXIO); emuxki_voice_halt(sc->rvoice); return (0); } int emuxki_getdev(void *v, struct audio_device *adp) { struct emuxki_softc *sc = v; *adp = sc->sc_audv; return 0; } int emuxki_set_port(void *addr, mixer_ctrl_t *mctl) { struct emuxki_softc *sc = addr; return sc->codecif->vtbl->mixer_set_port(sc->codecif, mctl); } int emuxki_get_port(void *addr, mixer_ctrl_t *mctl) { struct emuxki_softc *sc = addr; return sc->codecif->vtbl->mixer_get_port(sc->codecif, mctl); } int emuxki_query_devinfo(void *addr, mixer_devinfo_t *minfo) { struct emuxki_softc *sc = addr; return sc->codecif->vtbl->query_devinfo(sc->codecif, minfo); } void * emuxki_allocm(void *addr, int direction, size_t size, int type, int flags) { struct emuxki_softc *sc = addr; if (direction == AUMODE_PLAY) return emuxki_pmem_alloc(sc, size, type, flags); else return emuxki_rmem_alloc(sc, size, type, flags); } void emuxki_freem(void *addr, void *ptr, int type) { struct emuxki_softc *sc = addr; int i, s; struct emuxki_mem *mem; size_t numblocks; u_int32_t *ptb, silentpage; ptb = KERNADDR(sc->ptb); silentpage = DMAADDR(sc->silentpage) << 1; LIST_FOREACH(mem, &sc->mem, next) { if (KERNADDR(mem->dmamem) != ptr) continue; s = splaudio(); if (mem->ptbidx != EMU_RMEM) { numblocks = DMASIZE(mem->dmamem) / EMU_PTESIZE; if (DMASIZE(mem->dmamem) % EMU_PTESIZE) numblocks++; for (i = 0; i < numblocks; i++) ptb[mem->ptbidx + i] = silentpage | (mem->ptbidx + i); } LIST_REMOVE(mem, next); splx(s); emuxki_mem_delete(mem, type); break; } } /* blocksize should be a divisor of allowable buffersize */ /* XXX probably this could be done better */ int emuxki_round_blocksize(void *addr, int blksize) { int bufsize = 65536; while (bufsize > blksize) bufsize /= 2; return bufsize; } size_t emuxki_round_buffersize(void *addr, int direction, size_t bsize) { if (direction == AUMODE_PLAY) { if (bsize < EMU_PTESIZE) bsize = EMU_PTESIZE; else if (bsize > (EMU_PTESIZE * EMU_MAXPTE)) bsize = EMU_PTESIZE * EMU_MAXPTE; /* Would be better if set to max available */ else if (bsize % EMU_PTESIZE) bsize = bsize - (bsize % EMU_PTESIZE) + EMU_PTESIZE; } else { int idx; /* find nearest lower recbuf size */ for(idx = sizeof(emuxki_recbuf_sz) / sizeof(emuxki_recbuf_sz[0]); --idx >= 0; ) { if (bsize >= emuxki_recbuf_sz[idx]) { bsize = emuxki_recbuf_sz[idx]; break; } } if (bsize == 0) bsize = 384; } return (bsize); } paddr_t emuxki_mappage(void *addr, void *ptr, off_t off, int prot) { struct emuxki_softc *sc = addr; struct emuxki_mem *mem; LIST_FOREACH(mem, &sc->mem, next) { if (KERNADDR(mem->dmamem) == ptr) { struct dmamem *dm = mem->dmamem; return bus_dmamem_mmap(dm->dmat, dm->segs, dm->nsegs, off, prot, BUS_DMA_WAITOK); } } return (-1); } int emuxki_get_props(void *addr) { return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX); } int emuxki_trigger_output(void *addr, void *start, void *end, int blksize, void (*inth) (void *), void *inthparam, struct audio_params *params) { struct emuxki_softc *sc = addr; /* No multiple voice support for now */ struct emuxki_voice *voice = sc->pvoice; int error; if (voice == NULL) return (ENXIO); if ((error = emuxki_set_vparms(voice, params))) return (error); if ((error = emuxki_voice_set_bufparms(voice, start, (caddr_t)end - (caddr_t)start, blksize))) return (error); emuxki_voice_commit_parms(voice); emuxki_voice_start(voice, inth, inthparam); return (0); } int emuxki_trigger_input(void *addr, void *start, void *end, int blksize, void (*inth) (void *), void *inthparam, struct audio_params *params) { struct emuxki_softc *sc = addr; /* No multiple voice support for now */ struct emuxki_voice *voice = sc->rvoice; int error; if (voice == NULL) return (ENXIO); if ((error = emuxki_set_vparms(voice, params))) return (error); if ((error = emuxki_voice_set_bufparms(voice, start, (caddr_t)end - (caddr_t)start, blksize))) return (error); emuxki_voice_start(voice, inth, inthparam); return (0); } /* * AC97 callbacks */ int emuxki_ac97_attach(void *arg, struct ac97_codec_if *codecif) { struct emuxki_softc *sc = arg; sc->codecif = codecif; return (0); } int emuxki_ac97_read(void *arg, u_int8_t reg, u_int16_t *val) { struct emuxki_softc *sc = arg; int s; s = splaudio(); bus_space_write_1(sc->sc_iot, sc->sc_ioh, EMU_AC97ADDR, reg); *val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, EMU_AC97DATA); splx(s); return (0); } int emuxki_ac97_write(void *arg, u_int8_t reg, u_int16_t val) { struct emuxki_softc *sc = arg; int s; s = splaudio(); bus_space_write_1(sc->sc_iot, sc->sc_ioh, EMU_AC97ADDR, reg); bus_space_write_2(sc->sc_iot, sc->sc_ioh, EMU_AC97DATA, val); splx(s); return (0); } void emuxki_ac97_reset(void *arg) { }