/* $OpenBSD: eso.c,v 1.25 2008/04/21 00:32:43 jakemsr Exp $ */ /* $NetBSD: eso.c,v 1.48 2006/12/18 23:13:39 kleink Exp $ */ /* * Copyright (c) 1999, 2000, 2004 Klaus J. Klein * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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. */ /* * ESS Technology Inc. Solo-1 PCI AudioDrive (ES1938/1946) device driver. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* * XXX Work around the 24-bit implementation limit of the Audio 1 DMA * XXX engine by allocating through the ISA DMA tag. */ #if defined(amd64) || defined(i386) #include "isa.h" #if NISA > 0 #include #endif #endif #if defined(AUDIO_DEBUG) || defined(DEBUG) #define DPRINTF(x) if (esodebug) printf x int esodebug = 0; #else #define DPRINTF(x) #endif struct eso_dma { bus_dma_tag_t ed_dmat; bus_dmamap_t ed_map; caddr_t ed_addr; bus_dma_segment_t ed_segs[1]; int ed_nsegs; size_t ed_size; struct eso_dma * ed_next; }; #define KVADDR(dma) ((void *)(dma)->ed_addr) #define DMAADDR(dma) ((dma)->ed_map->dm_segs[0].ds_addr) int eso_match(struct device *, void *, void *); void eso_attach(struct device *, struct device *, void *); void eso_defer(struct device *); struct cfattach eso_ca = { sizeof (struct eso_softc), eso_match, eso_attach }; struct cfdriver eso_cd = { NULL, "eso", DV_DULL }; /* PCI interface */ int eso_intr(void *); /* MI audio layer interface */ int eso_open(void *, int); void eso_close(void *); int eso_query_encoding(void *, struct audio_encoding *); int eso_set_params(void *, int, int, struct audio_params *, struct audio_params *); int eso_round_blocksize(void *, int); int eso_halt_output(void *); int eso_halt_input(void *); int eso_getdev(void *, struct audio_device *); int eso_set_port(void *, mixer_ctrl_t *); int eso_get_port(void *, mixer_ctrl_t *); int eso_query_devinfo(void *, mixer_devinfo_t *); void * eso_allocm(void *, int, size_t, int, int); void eso_freem(void *, void *, int); size_t eso_round_buffersize(void *, int, size_t); paddr_t eso_mappage(void *, void *, off_t, int); int eso_get_props(void *); int eso_trigger_output(void *, void *, void *, int, void (*)(void *), void *, struct audio_params *); int eso_trigger_input(void *, void *, void *, int, void (*)(void *), void *, struct audio_params *); void eso_setup(struct eso_softc *, int); void eso_powerhook(int, void *); struct audio_hw_if eso_hw_if = { eso_open, eso_close, NULL, /* drain */ eso_query_encoding, eso_set_params, eso_round_blocksize, NULL, /* commit_settings */ NULL, /* init_output */ NULL, /* init_input */ NULL, /* start_output */ NULL, /* start_input */ eso_halt_output, eso_halt_input, NULL, /* speaker_ctl */ eso_getdev, NULL, /* setfd */ eso_set_port, eso_get_port, eso_query_devinfo, eso_allocm, eso_freem, eso_round_buffersize, eso_mappage, eso_get_props, eso_trigger_output, eso_trigger_input, NULL }; const char * const eso_rev2model[] = { "ES1938", "ES1946", "ES1946 rev E" }; /* * Utility routines */ /* Register access etc. */ uint8_t eso_read_ctlreg(struct eso_softc *, uint8_t); uint8_t eso_read_mixreg(struct eso_softc *, uint8_t); uint8_t eso_read_rdr(struct eso_softc *); void eso_reload_master_vol(struct eso_softc *); int eso_reset(struct eso_softc *); void eso_set_gain(struct eso_softc *, uint); int eso_set_recsrc(struct eso_softc *, uint); int eso_set_monooutsrc(struct eso_softc *, uint); int eso_set_monoinbypass(struct eso_softc *, uint); int eso_set_preamp(struct eso_softc *, uint); void eso_write_cmd(struct eso_softc *, uint8_t); void eso_write_ctlreg(struct eso_softc *, uint8_t, uint8_t); void eso_write_mixreg(struct eso_softc *, uint8_t, uint8_t); /* DMA memory allocation */ int eso_allocmem(struct eso_softc *, size_t, size_t, size_t, int, int, struct eso_dma *); void eso_freemem(struct eso_dma *); int eso_match(struct device *parent, void *match, void *aux) { struct pci_attach_args *pa = aux; if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ESSTECH && PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ESSTECH_SOLO1) return (1); return (0); } void eso_attach(struct device *parent, struct device *self, void *aux) { struct eso_softc *sc = (struct eso_softc *)self; struct pci_attach_args *pa = aux; struct audio_attach_args aa; pci_intr_handle_t ih; bus_addr_t vcbase; const char *intrstring; uint8_t mvctl; sc->sc_revision = PCI_REVISION(pa->pa_class); if (sc->sc_revision < sizeof (eso_rev2model) / sizeof (eso_rev2model[0])) printf(": %s", eso_rev2model[sc->sc_revision]); else printf(": (unknown rev. 0x%02x)", sc->sc_revision); /* Map I/O registers. */ if (pci_mapreg_map(pa, ESO_PCI_BAR_IO, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot, &sc->sc_ioh, NULL, NULL, 0)) { printf(", can't map I/O space\n"); return; } if (pci_mapreg_map(pa, ESO_PCI_BAR_SB, PCI_MAPREG_TYPE_IO, 0, &sc->sc_sb_iot, &sc->sc_sb_ioh, NULL, NULL, 0)) { printf(", can't map SB I/O space\n"); return; } if (pci_mapreg_map(pa, ESO_PCI_BAR_VC, PCI_MAPREG_TYPE_IO, 0, &sc->sc_dmac_iot, &sc->sc_dmac_ioh, &vcbase, &sc->sc_vcsize, 0)) { vcbase = 0; sc->sc_vcsize = 0x10; /* From the data sheet. */ } if (pci_mapreg_map(pa, ESO_PCI_BAR_MPU, PCI_MAPREG_TYPE_IO, 0, &sc->sc_mpu_iot, &sc->sc_mpu_ioh, NULL, NULL, 0)) { printf(", can't map MPU I/O space\n"); return; } sc->sc_dmat = pa->pa_dmat; sc->sc_dmas = NULL; sc->sc_dmac_configured = 0; sc->sc_pa = *pa; eso_setup(sc, 1); /* map and establish the interrupt. */ if (pci_intr_map(pa, &ih)) { printf(", couldn't map interrupt\n"); return; } intrstring = pci_intr_string(pa->pa_pc, ih); sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_AUDIO, eso_intr, sc, sc->sc_dev.dv_xname); if (sc->sc_ih == NULL) { printf(", couldn't establish interrupt"); if (intrstring != NULL) printf(" at %s", intrstring); printf("\n"); return; } printf(", %s\n", intrstring); /* * Set up the DDMA Control register; a suitable I/O region has been * supposedly mapped in the VC base address register. * * The Solo-1 has an ... interesting silicon bug that causes it to * not respond to I/O space accesses to the Audio 1 DMA controller * if the latter's mapping base address is aligned on a 1K boundary. * As a consequence, it is quite possible for the mapping provided * in the VC BAR to be useless. To work around this, we defer this * part until all autoconfiguration on our parent bus is completed * and then try to map it ourselves in fulfillment of the constraint. * * According to the register map we may write to the low 16 bits * only, but experimenting has shown we're safe. * -kjk */ if (ESO_VALID_DDMAC_BASE(vcbase)) { pci_conf_write(pa->pa_pc, pa->pa_tag, ESO_PCI_DDMAC, vcbase | ESO_PCI_DDMAC_DE); sc->sc_dmac_configured = 1; printf("%s: mapping Audio 1 DMA using VC I/O space at 0x%lx\n", sc->sc_dev.dv_xname, (unsigned long)vcbase); } else { DPRINTF(("%s: VC I/O space at 0x%lx not suitable, deferring\n", sc->sc_dev.dv_xname, (unsigned long)vcbase)); config_defer((struct device *)sc, eso_defer); } audio_attach_mi(&eso_hw_if, sc, &sc->sc_dev); aa.type = AUDIODEV_TYPE_OPL; aa.hwif = NULL; aa.hdl = NULL; (void)config_found(&sc->sc_dev, &aa, audioprint); sc->sc_powerhook = powerhook_establish(&eso_powerhook, sc); aa.type = AUDIODEV_TYPE_MPU; aa.hwif = NULL; aa.hdl = NULL; sc->sc_mpudev = config_found(&sc->sc_dev, &aa, audioprint); if (sc->sc_mpudev != NULL) { /* Unmask the MPU irq. */ mvctl = eso_read_mixreg(sc, ESO_MIXREG_MVCTL); mvctl |= ESO_MIXREG_MVCTL_MPUIRQM; eso_write_mixreg(sc, ESO_MIXREG_MVCTL, mvctl); } } void eso_setup(struct eso_softc *sc, int verbose) { struct pci_attach_args *pa = &sc->sc_pa; uint8_t a2mode, mvctl; int idx; /* Reset the device; bail out upon failure. */ if (eso_reset(sc) != 0) { if (verbose) printf(", can't reset\n"); return; } /* Select the DMA/IRQ policy: DDMA, ISA IRQ emulation disabled. */ pci_conf_write(pa->pa_pc, pa->pa_tag, ESO_PCI_S1C, pci_conf_read(pa->pa_pc, pa->pa_tag, ESO_PCI_S1C) & ~(ESO_PCI_S1C_IRQP_MASK | ESO_PCI_S1C_DMAP_MASK)); /* Enable the relevant DMA interrupts. */ bus_space_write_1(sc->sc_iot, sc->sc_ioh, ESO_IO_IRQCTL, ESO_IO_IRQCTL_A1IRQ | ESO_IO_IRQCTL_A2IRQ | ESO_IO_IRQCTL_HVIRQ | ESO_IO_IRQCTL_MPUIRQ); /* Set up A1's sample rate generator for new-style parameters. */ a2mode = eso_read_mixreg(sc, ESO_MIXREG_A2MODE); a2mode |= ESO_MIXREG_A2MODE_NEWA1 | ESO_MIXREG_A2MODE_ASYNC; eso_write_mixreg(sc, ESO_MIXREG_A2MODE, a2mode); /* Slave Master Volume to Hardware Volume Control Counter, unmask IRQ. */ mvctl = eso_read_mixreg(sc, ESO_MIXREG_MVCTL); mvctl &= ~ESO_MIXREG_MVCTL_SPLIT; mvctl |= ESO_MIXREG_MVCTL_HVIRQM; eso_write_mixreg(sc, ESO_MIXREG_MVCTL, mvctl); /* Set mixer regs to something reasonable, needs work. */ sc->sc_recmon = sc->sc_spatializer = sc->sc_mvmute = 0; eso_set_monooutsrc(sc, ESO_MIXREG_MPM_MOMUTE); eso_set_monoinbypass(sc, 0); eso_set_preamp(sc, 1); for (idx = 0; idx < ESO_NGAINDEVS; idx++) { int v; switch (idx) { case ESO_MIC_PLAY_VOL: case ESO_LINE_PLAY_VOL: case ESO_CD_PLAY_VOL: case ESO_MONO_PLAY_VOL: case ESO_AUXB_PLAY_VOL: case ESO_DAC_REC_VOL: case ESO_LINE_REC_VOL: case ESO_SYNTH_REC_VOL: case ESO_CD_REC_VOL: case ESO_MONO_REC_VOL: case ESO_AUXB_REC_VOL: case ESO_SPATIALIZER: v = 0; break; case ESO_MASTER_VOL: v = ESO_GAIN_TO_6BIT(AUDIO_MAX_GAIN / 2); break; default: v = ESO_GAIN_TO_4BIT(AUDIO_MAX_GAIN / 2); break; } sc->sc_gain[idx][ESO_LEFT] = sc->sc_gain[idx][ESO_RIGHT] = v; eso_set_gain(sc, idx); } eso_set_recsrc(sc, ESO_MIXREG_ERS_MIC); } void eso_defer(struct device *self) { struct eso_softc *sc = (struct eso_softc *)self; struct pci_attach_args *pa = &sc->sc_pa; bus_addr_t addr, start; printf("%s: ", sc->sc_dev.dv_xname); /* * This is outright ugly, but since we must not make assumptions * on the underlying allocator's behaviour it's the most straight- * forward way to implement it. Note that we skip over the first * 1K region, which is typically occupied by an attached ISA bus. */ for (start = 0x0400; start < 0xffff; start += 0x0400) { if (bus_space_alloc(sc->sc_iot, start + sc->sc_vcsize, start + 0x0400 - 1, sc->sc_vcsize, sc->sc_vcsize, 0, 0, &addr, &sc->sc_dmac_ioh) != 0) continue; pci_conf_write(pa->pa_pc, pa->pa_tag, ESO_PCI_DDMAC, addr | ESO_PCI_DDMAC_DE); sc->sc_dmac_iot = sc->sc_iot; sc->sc_dmac_configured = 1; printf("mapping Audio 1 DMA using I/O space at 0x%lx\n", (unsigned long)addr); return; } printf("can't map Audio 1 DMA into I/O space\n"); } void eso_write_cmd(struct eso_softc *sc, uint8_t cmd) { int i; /* Poll for busy indicator to become clear. */ for (i = 0; i < ESO_WDR_TIMEOUT; i++) { if ((bus_space_read_1(sc->sc_sb_iot, sc->sc_sb_ioh, ESO_SB_RSR) & ESO_SB_RSR_BUSY) == 0) { bus_space_write_1(sc->sc_sb_iot, sc->sc_sb_ioh, ESO_SB_WDR, cmd); return; } else { delay(10); } } printf("%s: WDR timeout\n", sc->sc_dev.dv_xname); } /* Write to a controller register */ void eso_write_ctlreg(struct eso_softc *sc, uint8_t reg, uint8_t val) { /* DPRINTF(("ctlreg 0x%02x = 0x%02x\n", reg, val)); */ eso_write_cmd(sc, reg); eso_write_cmd(sc, val); } /* Read out the Read Data Register */ uint8_t eso_read_rdr(struct eso_softc *sc) { int i; for (i = 0; i < ESO_RDR_TIMEOUT; i++) { if (bus_space_read_1(sc->sc_sb_iot, sc->sc_sb_ioh, ESO_SB_RBSR) & ESO_SB_RBSR_RDAV) { return (bus_space_read_1(sc->sc_sb_iot, sc->sc_sb_ioh, ESO_SB_RDR)); } else { delay(10); } } printf("%s: RDR timeout\n", sc->sc_dev.dv_xname); return (-1); } uint8_t eso_read_ctlreg(struct eso_softc *sc, uint8_t reg) { eso_write_cmd(sc, ESO_CMD_RCR); eso_write_cmd(sc, reg); return (eso_read_rdr(sc)); } void eso_write_mixreg(struct eso_softc *sc, uint8_t reg, uint8_t val) { int s; /* DPRINTF(("mixreg 0x%02x = 0x%02x\n", reg, val)); */ s = splaudio(); bus_space_write_1(sc->sc_sb_iot, sc->sc_sb_ioh, ESO_SB_MIXERADDR, reg); bus_space_write_1(sc->sc_sb_iot, sc->sc_sb_ioh, ESO_SB_MIXERDATA, val); splx(s); } uint8_t eso_read_mixreg(struct eso_softc *sc, uint8_t reg) { int s; uint8_t val; s = splaudio(); bus_space_write_1(sc->sc_sb_iot, sc->sc_sb_ioh, ESO_SB_MIXERADDR, reg); val = bus_space_read_1(sc->sc_sb_iot, sc->sc_sb_ioh, ESO_SB_MIXERDATA); splx(s); return (val); } int eso_intr(void *hdl) { struct eso_softc *sc = hdl; uint8_t irqctl; irqctl = bus_space_read_1(sc->sc_iot, sc->sc_ioh, ESO_IO_IRQCTL); /* If it wasn't ours, that's all she wrote. */ if ((irqctl & (ESO_IO_IRQCTL_A1IRQ | ESO_IO_IRQCTL_A2IRQ | ESO_IO_IRQCTL_HVIRQ | ESO_IO_IRQCTL_MPUIRQ)) == 0) return (0); if (irqctl & ESO_IO_IRQCTL_A1IRQ) { /* Clear interrupt. */ (void)bus_space_read_1(sc->sc_sb_iot, sc->sc_sb_ioh, ESO_SB_RBSR); if (sc->sc_rintr) sc->sc_rintr(sc->sc_rarg); else wakeup(&sc->sc_rintr); } if (irqctl & ESO_IO_IRQCTL_A2IRQ) { /* * Clear the A2 IRQ latch: the cached value reflects the * current DAC settings with the IRQ latch bit not set. */ eso_write_mixreg(sc, ESO_MIXREG_A2C2, sc->sc_a2c2); if (sc->sc_pintr) sc->sc_pintr(sc->sc_parg); else wakeup(&sc->sc_pintr); } if (irqctl & ESO_IO_IRQCTL_HVIRQ) { /* Clear interrupt. */ eso_write_mixreg(sc, ESO_MIXREG_CHVIR, ESO_MIXREG_CHVIR_CHVIR); /* * Raise a flag to cause a lazy update of the in-softc gain * values the next time the software mixer is read to keep * interrupt service cost low. ~0 cannot occur otherwise * as the master volume has a precision of 6 bits only. */ sc->sc_gain[ESO_MASTER_VOL][ESO_LEFT] = (uint8_t)~0; } #if NMPU > 0 if ((irqctl & ESO_IO_IRQCTL_MPUIRQ) && sc->sc_mpudev != NULL) mpu_intr(sc->sc_mpudev); #endif return (1); } /* Perform a software reset, including DMA FIFOs. */ int eso_reset(struct eso_softc *sc) { int i; bus_space_write_1(sc->sc_sb_iot, sc->sc_sb_ioh, ESO_SB_RESET, ESO_SB_RESET_SW | ESO_SB_RESET_FIFO); /* `Delay' suggested in the data sheet. */ (void)bus_space_read_1(sc->sc_sb_iot, sc->sc_sb_ioh, ESO_SB_STATUS); bus_space_write_1(sc->sc_sb_iot, sc->sc_sb_ioh, ESO_SB_RESET, 0); /* Wait for reset to take effect. */ for (i = 0; i < ESO_RESET_TIMEOUT; i++) { /* Poll for data to become available. */ if ((bus_space_read_1(sc->sc_sb_iot, sc->sc_sb_ioh, ESO_SB_RBSR) & ESO_SB_RBSR_RDAV) != 0 && bus_space_read_1(sc->sc_sb_iot, sc->sc_sb_ioh, ESO_SB_RDR) == ESO_SB_RDR_RESETMAGIC) { /* Activate Solo-1 extension commands. */ eso_write_cmd(sc, ESO_CMD_EXTENB); /* Reset mixer registers. */ eso_write_mixreg(sc, ESO_MIXREG_RESET, ESO_MIXREG_RESET_RESET); return (0); } else { delay(1000); } } printf("%s: reset timeout\n", sc->sc_dev.dv_xname); return (-1); } /* ARGSUSED */ int eso_open(void *hdl, int flags) { return (0); } void eso_close(void *hdl) { } int eso_query_encoding(void *hdl, struct audio_encoding *fp) { 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 = 0; 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 = 0; 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 eso_set_params(void *hdl, int setmode, int usemode, struct audio_params *play, struct audio_params *rec) { struct eso_softc *sc = hdl; struct audio_params *p; int mode, r[2], rd[2], ar[2], clk; uint srg, fltdiv; for (mode = AUMODE_RECORD; mode != -1; mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) { if ((setmode & mode) == 0) continue; p = (mode == AUMODE_PLAY) ? play : rec; if (p->sample_rate < ESO_MINRATE || p->sample_rate > ESO_MAXRATE || (p->precision != 8 && p->precision != 16) || (p->channels != 1 && p->channels != 2)) return (EINVAL); p->factor = 1; p->sw_code = NULL; switch (p->encoding) { case AUDIO_ENCODING_SLINEAR_BE: case AUDIO_ENCODING_ULINEAR_BE: if (p->precision == 16) p->sw_code = swap_bytes; break; case AUDIO_ENCODING_SLINEAR_LE: case AUDIO_ENCODING_ULINEAR_LE: break; case AUDIO_ENCODING_ULAW: if (mode == AUMODE_PLAY) { p->factor = 2; p->sw_code = mulaw_to_ulinear16_le; } else { p->sw_code = ulinear8_to_mulaw; } break; case AUDIO_ENCODING_ALAW: if (mode == AUMODE_PLAY) { p->factor = 2; p->sw_code = alaw_to_ulinear16_le; } else { p->sw_code = ulinear8_to_alaw; } break; default: return (EINVAL); } /* * We'll compute both possible sample rate dividers and pick * the one with the least error. */ #define ABS(x) ((x) < 0 ? -(x) : (x)) r[0] = ESO_CLK0 / (128 - (rd[0] = 128 - ESO_CLK0 / p->sample_rate)); r[1] = ESO_CLK1 / (128 - (rd[1] = 128 - ESO_CLK1 / p->sample_rate)); ar[0] = p->sample_rate - r[0]; ar[1] = p->sample_rate - r[1]; clk = ABS(ar[0]) > ABS(ar[1]) ? 1 : 0; srg = rd[clk] | (clk == 1 ? ESO_CLK1_SELECT : 0x00); /* Roll-off frequency of 87%, as in the ES1888 driver. */ fltdiv = 256 - 200279L / r[clk]; /* Update to reflect the possibly inexact rate. */ p->sample_rate = r[clk]; if (mode == AUMODE_RECORD) { /* Audio 1 */ DPRINTF(("A1 srg 0x%02x fdiv 0x%02x\n", srg, fltdiv)); eso_write_ctlreg(sc, ESO_CTLREG_SRG, srg); eso_write_ctlreg(sc, ESO_CTLREG_FLTDIV, fltdiv); } else { /* Audio 2 */ DPRINTF(("A2 srg 0x%02x fdiv 0x%02x\n", srg, fltdiv)); eso_write_mixreg(sc, ESO_MIXREG_A2SRG, srg); eso_write_mixreg(sc, ESO_MIXREG_A2FLTDIV, fltdiv); } #undef ABS } return (0); } int eso_round_blocksize(void *hdl, int blk) { return ((blk + 31) & -32); /* keep good alignment; at least 16 req'd */ } int eso_halt_output(void *hdl) { struct eso_softc *sc = hdl; int error, s; DPRINTF(("%s: halt_output\n", sc->sc_dev.dv_xname)); /* * Disable auto-initialize DMA, allowing the FIFO to drain and then * stop. The interrupt callback pointer is cleared at this * point so that an outstanding FIFO interrupt for the remaining data * will be acknowledged without further processing. * * This does not immediately `abort' an operation in progress (c.f. * audio(9)) but is the method to leave the FIFO behind in a clean * state with the least hair. (Besides, that item needs to be * rephrased for trigger_*()-based DMA environments.) */ s = splaudio(); eso_write_mixreg(sc, ESO_MIXREG_A2C1, ESO_MIXREG_A2C1_FIFOENB | ESO_MIXREG_A2C1_DMAENB); bus_space_write_1(sc->sc_iot, sc->sc_ioh, ESO_IO_A2DMAM, ESO_IO_A2DMAM_DMAENB); sc->sc_pintr = NULL; error = tsleep(&sc->sc_pintr, PCATCH | PWAIT, "esoho", sc->sc_pdrain); splx(s); /* Shut down DMA completely. */ eso_write_mixreg(sc, ESO_MIXREG_A2C1, 0); bus_space_write_1(sc->sc_iot, sc->sc_ioh, ESO_IO_A2DMAM, 0); return (error == EWOULDBLOCK ? 0 : error); } int eso_halt_input(void *hdl) { struct eso_softc *sc = hdl; int error, s; DPRINTF(("%s: halt_input\n", sc->sc_dev.dv_xname)); /* Just like eso_halt_output(), but for Audio 1. */ s = splaudio(); eso_write_ctlreg(sc, ESO_CTLREG_A1C2, ESO_CTLREG_A1C2_READ | ESO_CTLREG_A1C2_ADC | ESO_CTLREG_A1C2_DMAENB); bus_space_write_1(sc->sc_dmac_iot, sc->sc_dmac_ioh, ESO_DMAC_MODE, DMA37MD_WRITE | DMA37MD_DEMAND); sc->sc_rintr = NULL; error = tsleep(&sc->sc_rintr, PCATCH | PWAIT, "esohi", sc->sc_rdrain); splx(s); /* Shut down DMA completely. */ eso_write_ctlreg(sc, ESO_CTLREG_A1C2, ESO_CTLREG_A1C2_READ | ESO_CTLREG_A1C2_ADC); bus_space_write_1(sc->sc_dmac_iot, sc->sc_dmac_ioh, ESO_DMAC_MASK, ESO_DMAC_MASK_MASK); return (error == EWOULDBLOCK ? 0 : error); } int eso_getdev(void *hdl, struct audio_device *retp) { struct eso_softc *sc = hdl; strlcpy(retp->name, "ESS Solo-1", sizeof retp->name); snprintf(retp->version, sizeof retp->version, "0x%02x", sc->sc_revision); if (sc->sc_revision < sizeof (eso_rev2model) / sizeof (eso_rev2model[0])) strlcpy(retp->config, eso_rev2model[sc->sc_revision], sizeof retp->config); else strlcpy(retp->config, "unknown", sizeof retp->config); return (0); } int eso_set_port(void *hdl, mixer_ctrl_t *cp) { struct eso_softc *sc = hdl; uint lgain, rgain; uint8_t tmp; switch (cp->dev) { case ESO_DAC_PLAY_VOL: case ESO_MIC_PLAY_VOL: case ESO_LINE_PLAY_VOL: case ESO_SYNTH_PLAY_VOL: case ESO_CD_PLAY_VOL: case ESO_AUXB_PLAY_VOL: case ESO_RECORD_VOL: case ESO_DAC_REC_VOL: case ESO_MIC_REC_VOL: case ESO_LINE_REC_VOL: case ESO_SYNTH_REC_VOL: case ESO_CD_REC_VOL: case ESO_AUXB_REC_VOL: if (cp->type != AUDIO_MIXER_VALUE) return (EINVAL); /* * Stereo-capable mixer ports: if we get a single-channel * gain value passed in, then we duplicate it to both left * and right channels. */ switch (cp->un.value.num_channels) { case 1: lgain = rgain = ESO_GAIN_TO_4BIT( cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); break; case 2: lgain = ESO_GAIN_TO_4BIT( cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]); rgain = ESO_GAIN_TO_4BIT( cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT]); break; default: return (EINVAL); } sc->sc_gain[cp->dev][ESO_LEFT] = lgain; sc->sc_gain[cp->dev][ESO_RIGHT] = rgain; eso_set_gain(sc, cp->dev); break; case ESO_MASTER_VOL: if (cp->type != AUDIO_MIXER_VALUE) return (EINVAL); /* Like above, but a precision of 6 bits. */ switch (cp->un.value.num_channels) { case 1: lgain = rgain = ESO_GAIN_TO_6BIT( cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); break; case 2: lgain = ESO_GAIN_TO_6BIT( cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]); rgain = ESO_GAIN_TO_6BIT( cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT]); break; default: return (EINVAL); } sc->sc_gain[cp->dev][ESO_LEFT] = lgain; sc->sc_gain[cp->dev][ESO_RIGHT] = rgain; eso_set_gain(sc, cp->dev); break; case ESO_SPATIALIZER: if (cp->type != AUDIO_MIXER_VALUE || cp->un.value.num_channels != 1) return (EINVAL); sc->sc_gain[cp->dev][ESO_LEFT] = sc->sc_gain[cp->dev][ESO_RIGHT] = ESO_GAIN_TO_6BIT( cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); eso_set_gain(sc, cp->dev); break; case ESO_MONO_PLAY_VOL: case ESO_MONO_REC_VOL: if (cp->type != AUDIO_MIXER_VALUE || cp->un.value.num_channels != 1) return (EINVAL); sc->sc_gain[cp->dev][ESO_LEFT] = sc->sc_gain[cp->dev][ESO_RIGHT] = ESO_GAIN_TO_4BIT( cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); eso_set_gain(sc, cp->dev); break; case ESO_PCSPEAKER_VOL: if (cp->type != AUDIO_MIXER_VALUE || cp->un.value.num_channels != 1) return (EINVAL); sc->sc_gain[cp->dev][ESO_LEFT] = sc->sc_gain[cp->dev][ESO_RIGHT] = ESO_GAIN_TO_3BIT( cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); eso_set_gain(sc, cp->dev); break; case ESO_SPATIALIZER_ENABLE: if (cp->type != AUDIO_MIXER_ENUM) return (EINVAL); sc->sc_spatializer = (cp->un.ord != 0); tmp = eso_read_mixreg(sc, ESO_MIXREG_SPAT); if (sc->sc_spatializer) tmp |= ESO_MIXREG_SPAT_ENB; else tmp &= ~ESO_MIXREG_SPAT_ENB; eso_write_mixreg(sc, ESO_MIXREG_SPAT, tmp | ESO_MIXREG_SPAT_RSTREL); break; case ESO_MASTER_MUTE: if (cp->type != AUDIO_MIXER_ENUM) return (EINVAL); sc->sc_mvmute = (cp->un.ord != 0); if (sc->sc_mvmute) { eso_write_mixreg(sc, ESO_MIXREG_LMVM, eso_read_mixreg(sc, ESO_MIXREG_LMVM) | ESO_MIXREG_LMVM_MUTE); eso_write_mixreg(sc, ESO_MIXREG_RMVM, eso_read_mixreg(sc, ESO_MIXREG_RMVM) | ESO_MIXREG_RMVM_MUTE); } else { eso_write_mixreg(sc, ESO_MIXREG_LMVM, eso_read_mixreg(sc, ESO_MIXREG_LMVM) & ~ESO_MIXREG_LMVM_MUTE); eso_write_mixreg(sc, ESO_MIXREG_RMVM, eso_read_mixreg(sc, ESO_MIXREG_RMVM) & ~ESO_MIXREG_RMVM_MUTE); } break; case ESO_MONOOUT_SOURCE: if (cp->type != AUDIO_MIXER_ENUM) return (EINVAL); return (eso_set_monooutsrc(sc, cp->un.ord)); case ESO_MONOIN_BYPASS: if (cp->type != AUDIO_MIXER_ENUM) return (EINVAL); return (eso_set_monoinbypass(sc, cp->un.ord)); case ESO_RECORD_MONITOR: if (cp->type != AUDIO_MIXER_ENUM) return (EINVAL); sc->sc_recmon = (cp->un.ord != 0); tmp = eso_read_ctlreg(sc, ESO_CTLREG_ACTL); if (sc->sc_recmon) tmp |= ESO_CTLREG_ACTL_RECMON; else tmp &= ~ESO_CTLREG_ACTL_RECMON; eso_write_ctlreg(sc, ESO_CTLREG_ACTL, tmp); break; case ESO_RECORD_SOURCE: if (cp->type != AUDIO_MIXER_ENUM) return (EINVAL); return (eso_set_recsrc(sc, cp->un.ord)); case ESO_MIC_PREAMP: if (cp->type != AUDIO_MIXER_ENUM) return (EINVAL); return (eso_set_preamp(sc, cp->un.ord)); default: return (EINVAL); } return (0); } int eso_get_port(void *hdl, mixer_ctrl_t *cp) { struct eso_softc *sc = hdl; switch (cp->dev) { case ESO_MASTER_VOL: /* Reload from mixer after hardware volume control use. */ if (sc->sc_gain[cp->dev][ESO_LEFT] == (uint8_t)~0) eso_reload_master_vol(sc); /* FALLTHROUGH */ case ESO_DAC_PLAY_VOL: case ESO_MIC_PLAY_VOL: case ESO_LINE_PLAY_VOL: case ESO_SYNTH_PLAY_VOL: case ESO_CD_PLAY_VOL: case ESO_AUXB_PLAY_VOL: case ESO_RECORD_VOL: case ESO_DAC_REC_VOL: case ESO_MIC_REC_VOL: case ESO_LINE_REC_VOL: case ESO_SYNTH_REC_VOL: case ESO_CD_REC_VOL: case ESO_AUXB_REC_VOL: /* * Stereo-capable ports: if a single-channel query is made, * just return the left channel's value (since single-channel * settings themselves are applied to both channels). */ switch (cp->un.value.num_channels) { case 1: cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = sc->sc_gain[cp->dev][ESO_LEFT]; break; case 2: cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = sc->sc_gain[cp->dev][ESO_LEFT]; cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = sc->sc_gain[cp->dev][ESO_RIGHT]; break; default: return (EINVAL); } break; case ESO_MONO_PLAY_VOL: case ESO_PCSPEAKER_VOL: case ESO_MONO_REC_VOL: case ESO_SPATIALIZER: if (cp->un.value.num_channels != 1) return (EINVAL); cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = sc->sc_gain[cp->dev][ESO_LEFT]; break; case ESO_RECORD_MONITOR: cp->un.ord = sc->sc_recmon; break; case ESO_RECORD_SOURCE: cp->un.ord = sc->sc_recsrc; break; case ESO_MONOOUT_SOURCE: cp->un.ord = sc->sc_monooutsrc; break; case ESO_MONOIN_BYPASS: cp->un.ord = sc->sc_monoinbypass; break; case ESO_SPATIALIZER_ENABLE: cp->un.ord = sc->sc_spatializer; break; case ESO_MIC_PREAMP: cp->un.ord = sc->sc_preamp; break; case ESO_MASTER_MUTE: /* Reload from mixer after hardware volume control use. */ if (sc->sc_gain[ESO_MASTER_VOL][ESO_LEFT] == (uint8_t)~0) eso_reload_master_vol(sc); cp->un.ord = sc->sc_mvmute; break; default: return (EINVAL); } return (0); } int eso_query_devinfo(void *hdl, mixer_devinfo_t *dip) { switch (dip->index) { case ESO_DAC_PLAY_VOL: dip->mixer_class = ESO_INPUT_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strlcpy(dip->label.name, AudioNdac, sizeof dip->label.name); dip->type = AUDIO_MIXER_VALUE; dip->un.v.num_channels = 2; strlcpy(dip->un.v.units.name, AudioNvolume, sizeof dip->un.v.units.name); break; case ESO_MIC_PLAY_VOL: dip->mixer_class = ESO_INPUT_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strlcpy(dip->label.name, AudioNmicrophone, sizeof dip->label.name); dip->type = AUDIO_MIXER_VALUE; dip->un.v.num_channels = 2; strlcpy(dip->un.v.units.name, AudioNvolume, sizeof dip->un.v.units.name); break; case ESO_LINE_PLAY_VOL: dip->mixer_class = ESO_INPUT_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strlcpy(dip->label.name, AudioNline, sizeof dip->label.name); dip->type = AUDIO_MIXER_VALUE; dip->un.v.num_channels = 2; strlcpy(dip->un.v.units.name, AudioNvolume, sizeof dip->un.v.units.name); break; case ESO_SYNTH_PLAY_VOL: dip->mixer_class = ESO_INPUT_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strlcpy(dip->label.name, AudioNfmsynth, sizeof dip->label.name); dip->type = AUDIO_MIXER_VALUE; dip->un.v.num_channels = 2; strlcpy(dip->un.v.units.name, AudioNvolume, sizeof dip->un.v.units.name); break; case ESO_MONO_PLAY_VOL: dip->mixer_class = ESO_INPUT_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strlcpy(dip->label.name, "mono_in", sizeof dip->label.name); dip->type = AUDIO_MIXER_VALUE; dip->un.v.num_channels = 1; strlcpy(dip->un.v.units.name, AudioNvolume, sizeof dip->un.v.units.name); break; case ESO_CD_PLAY_VOL: dip->mixer_class = ESO_INPUT_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strlcpy(dip->label.name, AudioNcd, sizeof dip->label.name); dip->type = AUDIO_MIXER_VALUE; dip->un.v.num_channels = 2; strlcpy(dip->un.v.units.name, AudioNvolume, sizeof dip->un.v.units.name); break; case ESO_AUXB_PLAY_VOL: dip->mixer_class = ESO_INPUT_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strlcpy(dip->label.name, "auxb", sizeof dip->label.name); dip->type = AUDIO_MIXER_VALUE; dip->un.v.num_channels = 2; strlcpy(dip->un.v.units.name, AudioNvolume, sizeof dip->un.v.units.name); break; case ESO_MIC_PREAMP: dip->mixer_class = ESO_MICROPHONE_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strlcpy(dip->label.name, AudioNpreamp, sizeof dip->label.name); dip->type = AUDIO_MIXER_ENUM; dip->un.e.num_mem = 2; strlcpy(dip->un.e.member[0].label.name, AudioNoff, sizeof dip->un.e.member[0].label.name); dip->un.e.member[0].ord = 0; strlcpy(dip->un.e.member[1].label.name, AudioNon, sizeof dip->un.e.member[1].label.name); dip->un.e.member[1].ord = 1; break; case ESO_MICROPHONE_CLASS: dip->mixer_class = ESO_MICROPHONE_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strlcpy(dip->label.name, AudioNmicrophone, sizeof dip->label.name); dip->type = AUDIO_MIXER_CLASS; break; case ESO_INPUT_CLASS: dip->mixer_class = ESO_INPUT_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strlcpy(dip->label.name, AudioCinputs, sizeof dip->label.name); dip->type = AUDIO_MIXER_CLASS; break; case ESO_MASTER_VOL: dip->mixer_class = ESO_OUTPUT_CLASS; dip->prev = AUDIO_MIXER_LAST; dip->next = ESO_MASTER_MUTE; strlcpy(dip->label.name, AudioNmaster, sizeof dip->label.name); dip->type = AUDIO_MIXER_VALUE; dip->un.v.num_channels = 2; strlcpy(dip->un.v.units.name, AudioNvolume, sizeof dip->un.v.units.name); break; case ESO_MASTER_MUTE: dip->mixer_class = ESO_OUTPUT_CLASS; dip->prev = ESO_MASTER_VOL; dip->next = AUDIO_MIXER_LAST; strlcpy(dip->label.name, AudioNmute, sizeof dip->label.name); dip->type = AUDIO_MIXER_ENUM; dip->un.e.num_mem = 2; strlcpy(dip->un.e.member[0].label.name, AudioNoff, sizeof dip->un.e.member[0].label.name); dip->un.e.member[0].ord = 0; strlcpy(dip->un.e.member[1].label.name, AudioNon, sizeof dip->un.e.member[1].label.name); dip->un.e.member[1].ord = 1; break; case ESO_PCSPEAKER_VOL: dip->mixer_class = ESO_OUTPUT_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strlcpy(dip->label.name, "pc_speaker", sizeof dip->label.name); dip->type = AUDIO_MIXER_VALUE; dip->un.v.num_channels = 1; strlcpy(dip->un.v.units.name, AudioNvolume, sizeof dip->un.v.units.name); break; case ESO_MONOOUT_SOURCE: dip->mixer_class = ESO_OUTPUT_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strlcpy(dip->label.name, "mono_out", sizeof dip->label.name); dip->type = AUDIO_MIXER_ENUM; dip->un.e.num_mem = 3; strlcpy(dip->un.e.member[0].label.name, AudioNmute, sizeof dip->un.e.member[0].label.name); dip->un.e.member[0].ord = ESO_MIXREG_MPM_MOMUTE; strlcpy(dip->un.e.member[1].label.name, AudioNdac, sizeof dip->un.e.member[1].label.name); dip->un.e.member[1].ord = ESO_MIXREG_MPM_MOA2R; strlcpy(dip->un.e.member[2].label.name, AudioNmixerout, sizeof dip->un.e.member[2].label.name); dip->un.e.member[2].ord = ESO_MIXREG_MPM_MOREC; break; case ESO_MONOIN_BYPASS: dip->mixer_class = ESO_MONOIN_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strlcpy(dip->label.name, "bypass", sizeof dip->label.name); dip->type = AUDIO_MIXER_ENUM; dip->un.e.num_mem = 2; strlcpy(dip->un.e.member[0].label.name, AudioNoff, sizeof dip->un.e.member[0].label.name); dip->un.e.member[0].ord = 0; strlcpy(dip->un.e.member[1].label.name, AudioNon, sizeof dip->un.e.member[1].label.name); dip->un.e.member[1].ord = 1; break; case ESO_MONOIN_CLASS: dip->mixer_class = ESO_MONOIN_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strlcpy(dip->label.name, "mono_in", sizeof dip->label.name); dip->type = AUDIO_MIXER_CLASS; break; case ESO_SPATIALIZER: dip->mixer_class = ESO_OUTPUT_CLASS; dip->prev = AUDIO_MIXER_LAST; dip->next = ESO_SPATIALIZER_ENABLE; strlcpy(dip->label.name, AudioNspatial, sizeof dip->label.name); dip->type = AUDIO_MIXER_VALUE; dip->un.v.num_channels = 1; strlcpy(dip->un.v.units.name, "level", sizeof dip->un.v.units.name); break; case ESO_SPATIALIZER_ENABLE: dip->mixer_class = ESO_OUTPUT_CLASS; dip->prev = ESO_SPATIALIZER; dip->next = AUDIO_MIXER_LAST; strlcpy(dip->label.name, "enable", sizeof dip->label.name); dip->type = AUDIO_MIXER_ENUM; dip->un.e.num_mem = 2; strlcpy(dip->un.e.member[0].label.name, AudioNoff, sizeof dip->un.e.member[0].label.name); dip->un.e.member[0].ord = 0; strlcpy(dip->un.e.member[1].label.name, AudioNon, sizeof dip->un.e.member[1].label.name); dip->un.e.member[1].ord = 1; break; case ESO_OUTPUT_CLASS: dip->mixer_class = ESO_OUTPUT_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strlcpy(dip->label.name, AudioCoutputs, sizeof dip->label.name); dip->type = AUDIO_MIXER_CLASS; break; case ESO_RECORD_MONITOR: dip->mixer_class = ESO_MONITOR_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strlcpy(dip->label.name, AudioNmute, sizeof dip->label.name); dip->type = AUDIO_MIXER_ENUM; dip->un.e.num_mem = 2; strlcpy(dip->un.e.member[0].label.name, AudioNoff, sizeof dip->un.e.member[0].label.name); dip->un.e.member[0].ord = 0; strlcpy(dip->un.e.member[1].label.name, AudioNon, sizeof dip->un.e.member[1].label.name); dip->un.e.member[1].ord = 1; break; case ESO_MONITOR_CLASS: dip->mixer_class = ESO_MONITOR_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strlcpy(dip->label.name, AudioCmonitor, sizeof dip->label.name); dip->type = AUDIO_MIXER_CLASS; break; case ESO_RECORD_VOL: dip->mixer_class = ESO_RECORD_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strlcpy(dip->label.name, AudioNrecord, sizeof dip->label.name); dip->type = AUDIO_MIXER_VALUE; strlcpy(dip->un.v.units.name, AudioNvolume, sizeof dip->un.v.units.name); break; case ESO_RECORD_SOURCE: dip->mixer_class = ESO_RECORD_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strlcpy(dip->label.name, AudioNsource, sizeof dip->label.name); dip->type = AUDIO_MIXER_ENUM; dip->un.e.num_mem = 4; strlcpy(dip->un.e.member[0].label.name, AudioNmicrophone, sizeof dip->un.e.member[0].label.name); dip->un.e.member[0].ord = ESO_MIXREG_ERS_MIC; strlcpy(dip->un.e.member[1].label.name, AudioNline, sizeof dip->un.e.member[1].label.name); dip->un.e.member[1].ord = ESO_MIXREG_ERS_LINE; strlcpy(dip->un.e.member[2].label.name, AudioNcd, sizeof dip->un.e.member[2].label.name); dip->un.e.member[2].ord = ESO_MIXREG_ERS_CD; strlcpy(dip->un.e.member[3].label.name, AudioNmixerout, sizeof dip->un.e.member[3].label.name); dip->un.e.member[3].ord = ESO_MIXREG_ERS_MIXER; break; case ESO_DAC_REC_VOL: dip->mixer_class = ESO_RECORD_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strlcpy(dip->label.name, AudioNdac, sizeof dip->label.name); dip->type = AUDIO_MIXER_VALUE; dip->un.v.num_channels = 2; strlcpy(dip->un.v.units.name, AudioNvolume, sizeof dip->un.v.units.name); break; case ESO_MIC_REC_VOL: dip->mixer_class = ESO_RECORD_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strlcpy(dip->label.name, AudioNmicrophone, sizeof dip->label.name); dip->type = AUDIO_MIXER_VALUE; dip->un.v.num_channels = 2; strlcpy(dip->un.v.units.name, AudioNvolume, sizeof dip->un.v.units.name); break; case ESO_LINE_REC_VOL: dip->mixer_class = ESO_RECORD_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strlcpy(dip->label.name, AudioNline, sizeof dip->label.name); dip->type = AUDIO_MIXER_VALUE; dip->un.v.num_channels = 2; strlcpy(dip->un.v.units.name, AudioNvolume, sizeof dip->un.v.units.name); break; case ESO_SYNTH_REC_VOL: dip->mixer_class = ESO_RECORD_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strlcpy(dip->label.name, AudioNfmsynth, sizeof dip->label.name); dip->type = AUDIO_MIXER_VALUE; dip->un.v.num_channels = 2; strlcpy(dip->un.v.units.name, AudioNvolume, sizeof dip->un.v.units.name); break; case ESO_MONO_REC_VOL: dip->mixer_class = ESO_RECORD_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strlcpy(dip->label.name, "mono_in", sizeof dip->label.name); dip->type = AUDIO_MIXER_VALUE; dip->un.v.num_channels = 1; /* No lies */ strlcpy(dip->un.v.units.name, AudioNvolume, sizeof dip->un.v.units.name); break; case ESO_CD_REC_VOL: dip->mixer_class = ESO_RECORD_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strlcpy(dip->label.name, AudioNcd, sizeof dip->label.name); dip->type = AUDIO_MIXER_VALUE; dip->un.v.num_channels = 2; strlcpy(dip->un.v.units.name, AudioNvolume, sizeof dip->un.v.units.name); break; case ESO_AUXB_REC_VOL: dip->mixer_class = ESO_RECORD_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strlcpy(dip->label.name, "auxb", sizeof dip->label.name); dip->type = AUDIO_MIXER_VALUE; dip->un.v.num_channels = 2; strlcpy(dip->un.v.units.name, AudioNvolume, sizeof dip->un.v.units.name); break; case ESO_RECORD_CLASS: dip->mixer_class = ESO_RECORD_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strlcpy(dip->label.name, AudioCrecord, sizeof dip->label.name); dip->type = AUDIO_MIXER_CLASS; break; default: return (ENXIO); } return (0); } int eso_allocmem(struct eso_softc *sc, size_t size, size_t align, size_t boundary, int flags, int direction, struct eso_dma *ed) { int error, wait; wait = (flags & M_NOWAIT) ? BUS_DMA_NOWAIT : BUS_DMA_WAITOK; ed->ed_size = size; error = bus_dmamem_alloc(ed->ed_dmat, ed->ed_size, align, boundary, ed->ed_segs, sizeof (ed->ed_segs) / sizeof (ed->ed_segs[0]), &ed->ed_nsegs, wait); if (error) goto out; error = bus_dmamem_map(ed->ed_dmat, ed->ed_segs, ed->ed_nsegs, ed->ed_size, &ed->ed_addr, wait | BUS_DMA_COHERENT); if (error) goto free; error = bus_dmamap_create(ed->ed_dmat, ed->ed_size, 1, ed->ed_size, boundary, wait, &ed->ed_map); if (error) goto unmap; error = bus_dmamap_load(ed->ed_dmat, ed->ed_map, ed->ed_addr, ed->ed_size, NULL, wait | (direction == AUMODE_RECORD) ? BUS_DMA_READ : BUS_DMA_WRITE); if (error) goto destroy; return (0); destroy: bus_dmamap_destroy(ed->ed_dmat, ed->ed_map); unmap: bus_dmamem_unmap(ed->ed_dmat, ed->ed_addr, ed->ed_size); free: bus_dmamem_free(ed->ed_dmat, ed->ed_segs, ed->ed_nsegs); out: return (error); } void eso_freemem(struct eso_dma *ed) { bus_dmamap_unload(ed->ed_dmat, ed->ed_map); bus_dmamap_destroy(ed->ed_dmat, ed->ed_map); bus_dmamem_unmap(ed->ed_dmat, ed->ed_addr, ed->ed_size); bus_dmamem_free(ed->ed_dmat, ed->ed_segs, ed->ed_nsegs); } void * eso_allocm(void *hdl, int direction, size_t size, int type, int flags) { struct eso_softc *sc = hdl; struct eso_dma *ed; size_t boundary; int error; if ((ed = malloc(sizeof (*ed), type, flags)) == NULL) return (NULL); /* * Apparently the Audio 1 DMA controller's current address * register can't roll over a 64K address boundary, so we have to * take care of that ourselves. Similarly, the Audio 2 DMA * controller needs a 1M address boundary. */ if (direction == AUMODE_RECORD) boundary = 0x10000; else boundary = 0x100000; /* * XXX Work around allocation problems for Audio 1, which * XXX implements the 24 low address bits only, with * XXX machine-specific DMA tag use. */ #ifdef alpha /* * XXX Force allocation through the (ISA) SGMAP. */ if (direction == AUMODE_RECORD) ed->ed_dmat = alphabus_dma_get_tag(sc->sc_dmat, ALPHA_BUS_ISA); else #elif defined(amd64) || defined(i386) /* * XXX Force allocation through the ISA DMA tag. */ if (direction == AUMODE_RECORD) ed->ed_dmat = &isa_bus_dma_tag; else #endif ed->ed_dmat = sc->sc_dmat; error = eso_allocmem(sc, size, 32, boundary, flags, direction, ed); if (error) { free(ed, type); return (NULL); } ed->ed_next = sc->sc_dmas; sc->sc_dmas = ed; return (KVADDR(ed)); } void eso_freem(void *hdl, void *addr, int type) { struct eso_softc *sc = hdl; struct eso_dma *p, **pp; for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->ed_next) { if (KVADDR(p) == addr) { eso_freemem(p); *pp = p->ed_next; free(p, type); return; } } } size_t eso_round_buffersize(void *hdl, int direction, size_t bufsize) { size_t maxsize; /* * The playback DMA buffer size on the Solo-1 is limited to 0xfff0 * bytes. This is because IO_A2DMAC is a two byte value * indicating the literal byte count, and the 4 least significant * bits are read-only. Zero is not used as a special case for * 0x10000. * * For recording, DMAC_DMAC is the byte count - 1, so 0x10000 can * be represented. */ maxsize = (direction == AUMODE_PLAY) ? 0xfff0 : 0x10000; if (bufsize > maxsize) bufsize = maxsize; return (bufsize); } paddr_t eso_mappage(void *hdl, void *addr, off_t offs, int prot) { struct eso_softc *sc = hdl; struct eso_dma *ed; if (offs < 0) return (-1); for (ed = sc->sc_dmas; ed != NULL && KVADDR(ed) != addr; ed = ed->ed_next) ; if (ed == NULL) return (-1); return (bus_dmamem_mmap(ed->ed_dmat, ed->ed_segs, ed->ed_nsegs, offs, prot, BUS_DMA_WAITOK)); } /* ARGSUSED */ int eso_get_props(void *hdl) { return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX); } int eso_trigger_output(void *hdl, void *start, void *end, int blksize, void (*intr)(void *), void *arg, struct audio_params *param) { struct eso_softc *sc = hdl; struct eso_dma *ed; uint8_t a2c1; DPRINTF(( "%s: trigger_output: start %p, end %p, blksize %d, intr %p(%p)\n", sc->sc_dev.dv_xname, start, end, blksize, intr, arg)); DPRINTF(("%s: param: rate %lu, encoding %u, precision %u, channels %u, sw_code %p, factor %d\n", sc->sc_dev.dv_xname, param->sample_rate, param->encoding, param->precision, param->channels, param->sw_code, param->factor)); /* Find DMA buffer. */ for (ed = sc->sc_dmas; ed != NULL && KVADDR(ed) != start; ed = ed->ed_next) ; if (ed == NULL) { printf("%s: trigger_output: bad addr %p\n", sc->sc_dev.dv_xname, start); return (EINVAL); } DPRINTF(("%s: output dmaaddr %lx\n", sc->sc_dev.dv_xname, (unsigned long)DMAADDR(ed))); sc->sc_pintr = intr; sc->sc_parg = arg; /* Compute drain timeout. */ sc->sc_pdrain = (blksize * NBBY * hz) / (param->sample_rate * param->channels * param->precision * param->factor) + 2; /* slop */ /* DMA transfer count (in `words'!) reload using 2's complement. */ blksize = -(blksize >> 1); eso_write_mixreg(sc, ESO_MIXREG_A2TCRLO, blksize & 0xff); eso_write_mixreg(sc, ESO_MIXREG_A2TCRHI, blksize >> 8); /* Update DAC to reflect DMA count and audio parameters. */ /* Note: we cache A2C2 in order to avoid r/m/w at interrupt time. */ if (param->precision * param->factor == 16) sc->sc_a2c2 |= ESO_MIXREG_A2C2_16BIT; else sc->sc_a2c2 &= ~ESO_MIXREG_A2C2_16BIT; if (param->channels == 2) sc->sc_a2c2 |= ESO_MIXREG_A2C2_STEREO; else sc->sc_a2c2 &= ~ESO_MIXREG_A2C2_STEREO; if (param->encoding == AUDIO_ENCODING_SLINEAR_BE || param->encoding == AUDIO_ENCODING_SLINEAR_LE) sc->sc_a2c2 |= ESO_MIXREG_A2C2_SIGNED; else sc->sc_a2c2 &= ~ESO_MIXREG_A2C2_SIGNED; /* Unmask IRQ. */ sc->sc_a2c2 |= ESO_MIXREG_A2C2_IRQM; eso_write_mixreg(sc, ESO_MIXREG_A2C2, sc->sc_a2c2); /* Set up DMA controller. */ bus_space_write_4(sc->sc_iot, sc->sc_ioh, ESO_IO_A2DMAA, DMAADDR(ed)); bus_space_write_2(sc->sc_iot, sc->sc_ioh, ESO_IO_A2DMAC, (uint8_t *)end - (uint8_t *)start); bus_space_write_1(sc->sc_iot, sc->sc_ioh, ESO_IO_A2DMAM, ESO_IO_A2DMAM_DMAENB | ESO_IO_A2DMAM_AUTO); /* Start DMA. */ a2c1 = eso_read_mixreg(sc, ESO_MIXREG_A2C1); a2c1 &= ~ESO_MIXREG_A2C1_RESV0; /* Paranoia? XXX bit 5 */ a2c1 |= ESO_MIXREG_A2C1_FIFOENB | ESO_MIXREG_A2C1_DMAENB | ESO_MIXREG_A2C1_AUTO; eso_write_mixreg(sc, ESO_MIXREG_A2C1, a2c1); return (0); } int eso_trigger_input(void *hdl, void *start, void *end, int blksize, void (*intr)(void *), void *arg, struct audio_params *param) { struct eso_softc *sc = hdl; struct eso_dma *ed; uint8_t actl, a1c1; DPRINTF(( "%s: trigger_input: start %p, end %p, blksize %d, intr %p(%p)\n", sc->sc_dev.dv_xname, start, end, blksize, intr, arg)); DPRINTF(("%s: param: rate %lu, encoding %u, precision %u, channels %u, sw_code %p, factor %d\n", sc->sc_dev.dv_xname, param->sample_rate, param->encoding, param->precision, param->channels, param->sw_code, param->factor)); /* * If we failed to configure the Audio 1 DMA controller, bail here * while retaining availability of the DAC direction (in Audio 2). */ if (!sc->sc_dmac_configured) return (EIO); /* Find DMA buffer. */ for (ed = sc->sc_dmas; ed != NULL && KVADDR(ed) != start; ed = ed->ed_next) ; if (ed == NULL) { printf("%s: trigger_input: bad addr %p\n", sc->sc_dev.dv_xname, start); return (EINVAL); } DPRINTF(("%s: input dmaaddr %lx\n", sc->sc_dev.dv_xname, (unsigned long)DMAADDR(ed))); sc->sc_rintr = intr; sc->sc_rarg = arg; /* Compute drain timeout. */ sc->sc_rdrain = (blksize * NBBY * hz) / (param->sample_rate * param->channels * param->precision * param->factor) + 2; /* slop */ /* Set up ADC DMA converter parameters. */ actl = eso_read_ctlreg(sc, ESO_CTLREG_ACTL); if (param->channels == 2) { actl &= ~ESO_CTLREG_ACTL_MONO; actl |= ESO_CTLREG_ACTL_STEREO; } else { actl &= ~ESO_CTLREG_ACTL_STEREO; actl |= ESO_CTLREG_ACTL_MONO; } eso_write_ctlreg(sc, ESO_CTLREG_ACTL, actl); /* Set up Transfer Type: maybe move to attach time? */ eso_write_ctlreg(sc, ESO_CTLREG_A1TT, ESO_CTLREG_A1TT_DEMAND4); /* DMA transfer count reload using 2's complement. */ blksize = -blksize; eso_write_ctlreg(sc, ESO_CTLREG_A1TCRLO, blksize & 0xff); eso_write_ctlreg(sc, ESO_CTLREG_A1TCRHI, blksize >> 8); /* Set up and enable Audio 1 DMA FIFO. */ a1c1 = ESO_CTLREG_A1C1_RESV1 | ESO_CTLREG_A1C1_FIFOENB; if (param->precision * param->factor == 16) a1c1 |= ESO_CTLREG_A1C1_16BIT; if (param->channels == 2) a1c1 |= ESO_CTLREG_A1C1_STEREO; else a1c1 |= ESO_CTLREG_A1C1_MONO; if (param->encoding == AUDIO_ENCODING_SLINEAR_BE || param->encoding == AUDIO_ENCODING_SLINEAR_LE) a1c1 |= ESO_CTLREG_A1C1_SIGNED; eso_write_ctlreg(sc, ESO_CTLREG_A1C1, a1c1); /* Set up ADC IRQ/DRQ parameters. */ eso_write_ctlreg(sc, ESO_CTLREG_LAIC, ESO_CTLREG_LAIC_PINENB | ESO_CTLREG_LAIC_EXTENB); eso_write_ctlreg(sc, ESO_CTLREG_DRQCTL, ESO_CTLREG_DRQCTL_ENB1 | ESO_CTLREG_DRQCTL_EXTENB); /* Set up and enable DMA controller. */ bus_space_write_1(sc->sc_dmac_iot, sc->sc_dmac_ioh, ESO_DMAC_CLEAR, 0); bus_space_write_1(sc->sc_dmac_iot, sc->sc_dmac_ioh, ESO_DMAC_MASK, ESO_DMAC_MASK_MASK); bus_space_write_1(sc->sc_dmac_iot, sc->sc_dmac_ioh, ESO_DMAC_MODE, DMA37MD_WRITE | DMA37MD_LOOP | DMA37MD_DEMAND); bus_space_write_4(sc->sc_dmac_iot, sc->sc_dmac_ioh, ESO_DMAC_DMAA, DMAADDR(ed)); bus_space_write_2(sc->sc_dmac_iot, sc->sc_dmac_ioh, ESO_DMAC_DMAC, (uint8_t *)end - (uint8_t *)start - 1); bus_space_write_1(sc->sc_dmac_iot, sc->sc_dmac_ioh, ESO_DMAC_MASK, 0); /* Start DMA. */ eso_write_ctlreg(sc, ESO_CTLREG_A1C2, ESO_CTLREG_A1C2_DMAENB | ESO_CTLREG_A1C2_READ | ESO_CTLREG_A1C2_AUTO | ESO_CTLREG_A1C2_ADC); return (0); } /* * Mixer utility functions. */ int eso_set_recsrc(struct eso_softc *sc, u_int recsrc) { mixer_devinfo_t di; int i, error; di.index = ESO_RECORD_SOURCE; error = eso_query_devinfo(sc, &di); if (error != 0) { printf("eso_set_recsrc: eso_query_devinfo failed"); return (error); } for (i = 0; i < di.un.e.num_mem; i++) { if (recsrc == di.un.e.member[i].ord) { eso_write_mixreg(sc, ESO_MIXREG_ERS, recsrc); sc->sc_recsrc = recsrc; return (0); } } return (EINVAL); } int eso_set_monooutsrc(struct eso_softc *sc, uint monooutsrc) { mixer_devinfo_t di; int i, error; uint8_t mpm; di.index = ESO_MONOOUT_SOURCE; error = eso_query_devinfo(sc, &di); if (error != 0) { printf("eso_set_monooutsrc: eso_query_devinfo failed"); return (error); } for (i = 0; i < di.un.e.num_mem; i++) { if (monooutsrc == di.un.e.member[i].ord) { mpm = eso_read_mixreg(sc, ESO_MIXREG_MPM); mpm &= ~ESO_MIXREG_MPM_MOMASK; mpm |= monooutsrc; eso_write_mixreg(sc, ESO_MIXREG_MPM, mpm); sc->sc_monooutsrc = monooutsrc; return (0); } } return (EINVAL); } int eso_set_monoinbypass(struct eso_softc *sc, uint monoinbypass) { mixer_devinfo_t di; int i, error; uint8_t mpm; di.index = ESO_MONOIN_BYPASS; error = eso_query_devinfo(sc, &di); if (error != 0) { printf("eso_set_monoinbypass: eso_query_devinfo failed"); return (error); } for (i = 0; i < di.un.e.num_mem; i++) { if (monoinbypass == di.un.e.member[i].ord) { mpm = eso_read_mixreg(sc, ESO_MIXREG_MPM); mpm &= ~(ESO_MIXREG_MPM_MOMASK | ESO_MIXREG_MPM_RESV0); mpm |= (monoinbypass ? ESO_MIXREG_MPM_MIBYPASS : 0); eso_write_mixreg(sc, ESO_MIXREG_MPM, mpm); sc->sc_monoinbypass = monoinbypass; return (0); } } return (EINVAL); } int eso_set_preamp(struct eso_softc *sc, uint preamp) { mixer_devinfo_t di; int i, error; uint8_t mpm; di.index = ESO_MIC_PREAMP; error = eso_query_devinfo(sc, &di); if (error != 0) { printf("eso_set_preamp: eso_query_devinfo failed"); return (error); } for (i = 0; i < di.un.e.num_mem; i++) { if (preamp == di.un.e.member[i].ord) { mpm = eso_read_mixreg(sc, ESO_MIXREG_MPM); mpm &= ~(ESO_MIXREG_MPM_PREAMP | ESO_MIXREG_MPM_RESV0); mpm |= (preamp ? ESO_MIXREG_MPM_PREAMP : 0); eso_write_mixreg(sc, ESO_MIXREG_MPM, mpm); sc->sc_preamp = preamp; return (0); } } return (EINVAL); } /* * Reload Master Volume and Mute values in softc from mixer; used when * those have previously been invalidated by use of hardware volume controls. */ void eso_reload_master_vol(struct eso_softc *sc) { uint8_t mv; mv = eso_read_mixreg(sc, ESO_MIXREG_LMVM); sc->sc_gain[ESO_MASTER_VOL][ESO_LEFT] = (mv & ~ESO_MIXREG_LMVM_MUTE) << 2; mv = eso_read_mixreg(sc, ESO_MIXREG_LMVM); sc->sc_gain[ESO_MASTER_VOL][ESO_RIGHT] = (mv & ~ESO_MIXREG_RMVM_MUTE) << 2; /* Currently both channels are muted simultaneously; either is OK. */ sc->sc_mvmute = (mv & ESO_MIXREG_RMVM_MUTE) != 0; } void eso_set_gain(struct eso_softc *sc, uint port) { uint8_t mixreg, tmp; switch (port) { case ESO_DAC_PLAY_VOL: mixreg = ESO_MIXREG_PVR_A2; break; case ESO_MIC_PLAY_VOL: mixreg = ESO_MIXREG_PVR_MIC; break; case ESO_LINE_PLAY_VOL: mixreg = ESO_MIXREG_PVR_LINE; break; case ESO_SYNTH_PLAY_VOL: mixreg = ESO_MIXREG_PVR_SYNTH; break; case ESO_CD_PLAY_VOL: mixreg = ESO_MIXREG_PVR_CD; break; case ESO_AUXB_PLAY_VOL: mixreg = ESO_MIXREG_PVR_AUXB; break; case ESO_DAC_REC_VOL: mixreg = ESO_MIXREG_RVR_A2; break; case ESO_MIC_REC_VOL: mixreg = ESO_MIXREG_RVR_MIC; break; case ESO_LINE_REC_VOL: mixreg = ESO_MIXREG_RVR_LINE; break; case ESO_SYNTH_REC_VOL: mixreg = ESO_MIXREG_RVR_SYNTH; break; case ESO_CD_REC_VOL: mixreg = ESO_MIXREG_RVR_CD; break; case ESO_AUXB_REC_VOL: mixreg = ESO_MIXREG_RVR_AUXB; break; case ESO_MONO_PLAY_VOL: mixreg = ESO_MIXREG_PVR_MONO; break; case ESO_MONO_REC_VOL: mixreg = ESO_MIXREG_RVR_MONO; break; case ESO_PCSPEAKER_VOL: /* Special case - only 3-bit, mono, and reserved bits. */ tmp = eso_read_mixreg(sc, ESO_MIXREG_PCSVR); tmp &= ESO_MIXREG_PCSVR_RESV; /* Map bits 7:5 -> 2:0. */ tmp |= (sc->sc_gain[port][ESO_LEFT] >> 5); eso_write_mixreg(sc, ESO_MIXREG_PCSVR, tmp); return; case ESO_MASTER_VOL: /* Special case - separate regs, and 6-bit precision. */ /* Map bits 7:2 -> 5:0, reflect mute settings. */ eso_write_mixreg(sc, ESO_MIXREG_LMVM, (sc->sc_gain[port][ESO_LEFT] >> 2) | (sc->sc_mvmute ? ESO_MIXREG_LMVM_MUTE : 0x00)); eso_write_mixreg(sc, ESO_MIXREG_RMVM, (sc->sc_gain[port][ESO_RIGHT] >> 2) | (sc->sc_mvmute ? ESO_MIXREG_RMVM_MUTE : 0x00)); return; case ESO_SPATIALIZER: /* Special case - only `mono', and higher precision. */ eso_write_mixreg(sc, ESO_MIXREG_SPATLVL, sc->sc_gain[port][ESO_LEFT]); return; case ESO_RECORD_VOL: /* Very Special case, controller register. */ eso_write_ctlreg(sc, ESO_CTLREG_RECLVL,ESO_4BIT_GAIN_TO_STEREO( sc->sc_gain[port][ESO_LEFT], sc->sc_gain[port][ESO_RIGHT])); return; default: #ifdef DIAGNOSTIC printf("eso_set_gain: bad port %u", port); return; /* NOTREACHED */ #else return; #endif } eso_write_mixreg(sc, mixreg, ESO_4BIT_GAIN_TO_STEREO( sc->sc_gain[port][ESO_LEFT], sc->sc_gain[port][ESO_RIGHT])); } void eso_powerhook(int why, void *self) { struct eso_softc *sc = (struct eso_softc *)self; if (why != PWR_RESUME) { eso_halt_output(sc); eso_halt_input(sc); bus_space_write_1(sc->sc_iot, sc->sc_ioh, ESO_IO_A2DMAM, 0); bus_space_write_1(sc->sc_dmac_iot, sc->sc_dmac_ioh, ESO_DMAC_CLEAR, 0); bus_space_write_1(sc->sc_sb_iot, sc->sc_sb_ioh, ESO_SB_STATUSFLAGS, 3); /* shut down dma */ pci_conf_write(sc->sc_pa.pa_pc, sc->sc_pa.pa_tag, ESO_PCI_DDMAC, 0); } else eso_setup(sc, 0); }