/* $OpenBSD: cs4280.c,v 1.1 2000/06/30 03:28:07 art Exp $ */ /* $NetBSD: cs4280.c,v 1.5 2000/06/26 04:56:23 simonb Exp $ */ /* * Copyright (c) 1999, 2000 Tatoku Ogaito. 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Tatoku Ogaito * for the NetBSD Project. * 4. 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. */ /* * Cirrus Logic CS4280 (and maybe CS461x) driver. * Data sheets can be found * http://www.cirrus.com/ftp/pubs/4280.pdf * http://www.cirrus.com/ftp/pubs/4297.pdf * ftp://ftp.alsa-project.org/pub/manuals/cirrus/embedded_audio_spec.pdf * ftp://ftp.alsa-project.org/pub/manuals/cirrus/embedded_audio_spec.doc */ /* * TODO * Implement MIDI * Joystick support */ #ifdef CS4280_DEBUG #ifndef MIDI_READY #define MIDI_READY #endif /* ! MIDI_READY */ #endif #ifdef MIDI_READY #include "midi.h" #endif #if defined(CS4280_DEBUG) #define DPRINTF(x) if (cs4280debug) printf x #define DPRINTFN(n,x) if (cs4280debug>(n)) printf x int cs4280debug = 0; #else #define DPRINTF(x) #define DPRINTFN(n,x) #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define CSCC_PCI_BA0 0x10 #define CSCC_PCI_BA1 0x14 struct cs4280_dma { bus_dmamap_t map; caddr_t addr; /* real dma buffer */ caddr_t dum; /* dummy buffer for audio driver */ bus_dma_segment_t segs[1]; int nsegs; size_t size; struct cs4280_dma *next; }; #define DMAADDR(p) ((p)->map->dm_segs[0].ds_addr) #define BUFADDR(p) ((void *)((p)->dum)) #define KERNADDR(p) ((void *)((p)->addr)) /* * Software state */ struct cs4280_softc { struct device sc_dev; pci_intr_handle_t * sc_ih; /* I/O (BA0) */ bus_space_tag_t ba0t; bus_space_handle_t ba0h; /* BA1 */ bus_space_tag_t ba1t; bus_space_handle_t ba1h; /* DMA */ bus_dma_tag_t sc_dmatag; struct cs4280_dma *sc_dmas; void (*sc_pintr)(void *); /* dma completion intr handler */ void *sc_parg; /* arg for sc_intr() */ char *sc_ps, *sc_pe, *sc_pn; int sc_pcount; int sc_pi; struct cs4280_dma *sc_pdma; char *sc_pbuf; #ifdef DIAGNOSTIC char sc_prun; #endif void (*sc_rintr)(void *); /* dma completion intr handler */ void *sc_rarg; /* arg for sc_intr() */ char *sc_rs, *sc_re, *sc_rn; int sc_rcount; int sc_ri; struct cs4280_dma *sc_rdma; char *sc_rbuf; int sc_rparam; /* record format */ #ifdef DIAGNOSTIC char sc_rrun; #endif #if NMIDI > 0 void (*sc_iintr)(void *, int); /* midi input ready handler */ void (*sc_ointr)(void *); /* midi output ready handler */ void *sc_arg; #endif u_int32_t pctl; u_int32_t cctl; struct ac97_codec_if *codec_if; struct ac97_host_if host_if; char sc_suspend; void *sc_powerhook; /* Power Hook */ u_int16_t ac97_reg[CS4280_SAVE_REG_MAX + 1]; /* Save ac97 registers */ }; #define BA0READ4(sc, r) bus_space_read_4((sc)->ba0t, (sc)->ba0h, (r)) #define BA0WRITE4(sc, r, x) bus_space_write_4((sc)->ba0t, (sc)->ba0h, (r), (x)) #define BA1READ4(sc, r) bus_space_read_4((sc)->ba1t, (sc)->ba1h, (r)) #define BA1WRITE4(sc, r, x) bus_space_write_4((sc)->ba1t, (sc)->ba1h, (r), (x)) int cs4280_match __P((struct device *, void *, void *)); void cs4280_attach __P((struct device *, struct device *, void *)); int cs4280_intr __P((void *)); void cs4280_reset __P((void *)); int cs4280_download_image __P((struct cs4280_softc *)); int cs4280_download(struct cs4280_softc *, u_int32_t *, u_int32_t, u_int32_t); int cs4280_allocmem __P((struct cs4280_softc *, size_t, size_t, struct cs4280_dma *)); int cs4280_freemem __P((struct cs4280_softc *, struct cs4280_dma *)); #ifdef CS4280_DEBUG int cs4280_check_images __P((struct cs4280_softc *)); int cs4280_checkimage(struct cs4280_softc *, u_int32_t *, u_int32_t, u_int32_t); #endif struct cfdriver clcs_cd = { NULL, "clcs", DV_DULL }; struct cfattach clcs_ca = { sizeof(struct cs4280_softc), cs4280_match, cs4280_attach }; int cs4280_init __P((struct cs4280_softc *, int)); int cs4280_open __P((void *, int)); void cs4280_close __P((void *)); int cs4280_query_encoding __P((void *, struct audio_encoding *)); int cs4280_set_params __P((void *, int, int, struct audio_params *, struct audio_params *)); int cs4280_round_blocksize __P((void *, int)); int cs4280_halt_output __P((void *)); int cs4280_halt_input __P((void *)); int cs4280_getdev __P((void *, struct audio_device *)); int cs4280_mixer_set_port __P((void *, mixer_ctrl_t *)); int cs4280_mixer_get_port __P((void *, mixer_ctrl_t *)); int cs4280_query_devinfo __P((void *addr, mixer_devinfo_t *dip)); void *cs4280_malloc __P((void *, u_long, int, int)); void cs4280_free __P((void *, void *, int)); u_long cs4280_round_buffersize __P((void *, u_long)); paddr_t cs4280_mappage __P((void *, void *, off_t, int)); int cs4280_get_props __P((void *)); int cs4280_trigger_output __P((void *, void *, void *, int, void (*)(void *), void *, struct audio_params *)); int cs4280_trigger_input __P((void *, void *, void *, int, void (*)(void *), void *, struct audio_params *)); void cs4280_set_dac_rate __P((struct cs4280_softc *, int )); void cs4280_set_adc_rate __P((struct cs4280_softc *, int )); int cs4280_get_portnum_by_name __P((struct cs4280_softc *, char *, char *, char *)); int cs4280_src_wait __P((struct cs4280_softc *)); int cs4280_attach_codec __P((void *sc, struct ac97_codec_if *)); int cs4280_read_codec __P((void *sc, u_int8_t a, u_int16_t *d)); int cs4280_write_codec __P((void *sc, u_int8_t a, u_int16_t d)); void cs4280_reset_codec __P((void *sc)); void cs4280_power __P((int, void *)); void cs4280_clear_fifos __P((struct cs4280_softc *)); #if NMIDI > 0 void cs4280_midi_close __P((void*)); void cs4280_midi_getinfo __P((void *, struct midi_info *)); int cs4280_midi_open __P((void *, int, void (*)(void *, int), void (*)(void *), void *)); int cs4280_midi_output __P((void *, int)); #endif struct audio_hw_if cs4280_hw_if = { cs4280_open, cs4280_close, NULL, cs4280_query_encoding, cs4280_set_params, cs4280_round_blocksize, NULL, NULL, NULL, NULL, NULL, cs4280_halt_output, cs4280_halt_input, NULL, cs4280_getdev, NULL, cs4280_mixer_set_port, cs4280_mixer_get_port, cs4280_query_devinfo, cs4280_malloc, cs4280_free, cs4280_round_buffersize, 0, /* cs4280_mappage, */ cs4280_get_props, cs4280_trigger_output, cs4280_trigger_input, }; #if NMIDI > 0 struct midi_hw_if cs4280_midi_hw_if = { cs4280_midi_open, cs4280_midi_close, cs4280_midi_output, cs4280_midi_getinfo, 0, }; #endif struct audio_device cs4280_device = { "CS4280", "", "cs4280" }; int cs4280_match(parent, ma, aux) struct device *parent; void *ma; void *aux; { struct pci_attach_args *pa = (struct pci_attach_args *)aux; if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_CIRRUS) return (0); if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_CIRRUS_CS4280 #if 0 /* I can't confirm */ || PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_CIRRUS_CS4610 #endif ) { return (1); } return (0); } int cs4280_read_codec(sc_, add, data) void *sc_; u_int8_t add; u_int16_t *data; { struct cs4280_softc *sc = sc_; int n; DPRINTFN(5,("read_codec: add=0x%02x ", add)); /* * Make sure that there is not data sitting around from a preivous * uncompleted access. */ BA0READ4(sc, CS4280_ACSDA); /* Set up AC97 control registers. */ BA0WRITE4(sc, CS4280_ACCAD, add); BA0WRITE4(sc, CS4280_ACCDA, 0); BA0WRITE4(sc, CS4280_ACCTL, ACCTL_RSTN | ACCTL_ESYN | ACCTL_VFRM | ACCTL_CRW | ACCTL_DCV ); if (cs4280_src_wait(sc) < 0) { printf("%s: AC97 read prob. (DCV!=0) for add=0x%0x\n", sc->sc_dev.dv_xname, add); return (1); } /* wait for valid status bit is active */ n = 0; while (!(BA0READ4(sc, CS4280_ACSTS) & ACSTS_VSTS)) { delay(1); while (++n > 1000) { printf("%s: AC97 read fail (VSTS==0) for add=0x%0x\n", sc->sc_dev.dv_xname, add); return (1); } } *data = BA0READ4(sc, CS4280_ACSDA); DPRINTFN(5,("data=0x%04x\n", *data)); return (0); } int cs4280_write_codec(sc_, add, data) void *sc_; u_int8_t add; u_int16_t data; { struct cs4280_softc *sc = sc_; DPRINTFN(5,("write_codec: add=0x%02x data=0x%04x\n", add, data)); BA0WRITE4(sc, CS4280_ACCAD, add); BA0WRITE4(sc, CS4280_ACCDA, data); BA0WRITE4(sc, CS4280_ACCTL, ACCTL_RSTN | ACCTL_ESYN | ACCTL_VFRM | ACCTL_DCV ); if (cs4280_src_wait(sc) < 0) { printf("%s: AC97 write fail (DCV!=0) for add=0x%02x data=" "0x%04x\n", sc->sc_dev.dv_xname, add, data); return (1); } return (0); } int cs4280_src_wait(sc) struct cs4280_softc *sc; { int n; n = 0; while ((BA0READ4(sc, CS4280_ACCTL) & ACCTL_DCV)) { delay(1000); while (++n > 1000) return (-1); } return (0); } void cs4280_set_adc_rate(sc, rate) struct cs4280_softc *sc; int rate; { /* calculate capture rate: * * capture_coefficient_increment = -round(rate*128*65536/48000; * capture_phase_increment = floor(48000*65536*1024/rate); * cx = round(48000*65536*1024 - capture_phase_increment*rate); * cy = floor(cx/200); * capture_sample_rate_correction = cx - 200*cy; * capture_delay = ceil(24*48000/rate); * capture_num_triplets = floor(65536*rate/24000); * capture_group_length = 24000/GCD(rate, 24000); * where GCD means "Greatest Common Divisor". * * capture_coefficient_increment, capture_phase_increment and * capture_num_triplets are 32-bit signed quantities. * capture_sample_rate_correction and capture_group_length are * 16-bit signed quantities. * capture_delay is a 14-bit unsigned quantity. */ u_int32_t cci,cpi,cnt,cx,cy, tmp1; u_int16_t csrc, cgl, cdlay; /* XXX * Even though, embedded_audio_spec says capture rate range 11025 to * 48000, dhwiface.cpp says, * * "We can only decimate by up to a factor of 1/9th the hardware rate. * Return an error if an attempt is made to stray outside that limit." * * so assume range as 48000/9 to 48000 */ if (rate < 8000) rate = 8000; if (rate > 48000) rate = 48000; cx = rate << 16; cci = cx / 48000; cx -= cci * 48000; cx <<= 7; cci <<= 7; cci += cx / 48000; cci = - cci; cx = 48000 << 16; cpi = cx / rate; cx -= cpi * rate; cx <<= 10; cpi <<= 10; cy = cx / rate; cpi += cy; cx -= cy * rate; cy = cx / 200; csrc = cx - 200*cy; cdlay = ((48000 * 24) + rate - 1) / rate; #if 0 cdlay &= 0x3fff; /* make sure cdlay is 14-bit */ #endif cnt = rate << 16; cnt /= 24000; cgl = 1; for (tmp1 = 2; tmp1 <= 64; tmp1 *= 2) { if (((rate / tmp1) * tmp1) != rate) cgl *= 2; } if (((rate / 3) * 3) != rate) cgl *= 3; for (tmp1 = 5; tmp1 <= 125; tmp1 *= 5) { if (((rate / tmp1) * tmp1) != rate) cgl *= 5; } #if 0 /* XXX what manual says */ tmp1 = BA1READ4(sc, CS4280_CSRC) & ~CSRC_MASK; tmp1 |= csrc<<16; BA1WRITE4(sc, CS4280_CSRC, tmp1); #else /* suggested by cs461x.c (ALSA driver) */ BA1WRITE4(sc, CS4280_CSRC, CS4280_MK_CSRC(csrc, cy)); #endif #if 0 /* I am confused. The sample rate calculation section says * cci *is* 32-bit signed quantity but in the parameter description * section, CCI only assigned 16bit. * I believe size of the variable. */ tmp1 = BA1READ4(sc, CS4280_CCI) & ~CCI_MASK; tmp1 |= cci<<16; BA1WRITE4(sc, CS4280_CCI, tmp1); #else BA1WRITE4(sc, CS4280_CCI, cci); #endif tmp1 = BA1READ4(sc, CS4280_CD) & ~CD_MASK; tmp1 |= cdlay <<18; BA1WRITE4(sc, CS4280_CD, tmp1); BA1WRITE4(sc, CS4280_CPI, cpi); tmp1 = BA1READ4(sc, CS4280_CGL) & ~CGL_MASK; tmp1 |= cgl; BA1WRITE4(sc, CS4280_CGL, tmp1); BA1WRITE4(sc, CS4280_CNT, cnt); tmp1 = BA1READ4(sc, CS4280_CGC) & ~CGC_MASK; tmp1 |= cgl; BA1WRITE4(sc, CS4280_CGC, tmp1); } void cs4280_set_dac_rate(sc, rate) struct cs4280_softc *sc; int rate; { /* * playback rate may range from 8000Hz to 48000Hz * * play_phase_increment = floor(rate*65536*1024/48000) * px = round(rate*65536*1024 - play_phase_incremnt*48000) * py=floor(px/200) * play_sample_rate_correction = px - 200*py * * play_phase_increment is a 32bit signed quantity. * play_sample_rate_correction is a 16bit signed quantity. */ int32_t ppi; int16_t psrc; u_int32_t px, py; if (rate < 8000) rate = 8000; if (rate > 48000) rate = 48000; px = rate << 16; ppi = px/48000; px -= ppi*48000; ppi <<= 10; px <<= 10; py = px / 48000; ppi += py; px -= py*48000; py = px/200; px -= py*200; psrc = px; #if 0 /* what manual says */ px = BA1READ4(sc, CS4280_PSRC) & ~PSRC_MASK; BA1WRITE4(sc, CS4280_PSRC, ( ((psrc<<16) & PSRC_MASK) | px )); #else /* suggested by cs461x.c (ALSA driver) */ BA1WRITE4(sc, CS4280_PSRC, CS4280_MK_PSRC(psrc,py)); #endif BA1WRITE4(sc, CS4280_PPI, ppi); } void cs4280_attach(parent, self, aux) struct device *parent; struct device *self; void *aux; { struct cs4280_softc *sc = (struct cs4280_softc *)self; struct pci_attach_args *pa = (struct pci_attach_args *)aux; pci_chipset_tag_t pc = pa->pa_pc; char const *intrstr; pci_intr_handle_t ih; pcireg_t csr; char devinfo[256]; mixer_ctrl_t ctl; u_int32_t mem; pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo); printf(": %s (rev. 0x%02x)\n", devinfo, PCI_REVISION(pa->pa_class)); /* Map I/O register */ if (pci_mapreg_map(pa, CSCC_PCI_BA0, PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 0, &sc->ba0t, &sc->ba0h, NULL, NULL)) { printf("%s: can't map BA0 space\n", sc->sc_dev.dv_xname); return; } if (pci_mapreg_map(pa, CSCC_PCI_BA1, PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 0, &sc->ba1t, &sc->ba1h, NULL, NULL)) { printf("%s: can't map BA1 space\n", sc->sc_dev.dv_xname); return; } sc->sc_dmatag = pa->pa_dmat; /* Enable the device (set bus master flag) */ csr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, csr | PCI_COMMAND_MASTER_ENABLE); /* LATENCY_TIMER setting */ mem = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG); if ( PCI_LATTIMER(mem) < 32 ) { mem &= 0xffff00ff; mem |= 0x00002000; pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG, mem); } /* Map and establish the interrupt. */ if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin, pa->pa_intrline, &ih)) { printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); return; } intrstr = pci_intr_string(pc, ih); sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, cs4280_intr, sc, sc->sc_dev.dv_xname); if (sc->sc_ih == NULL) { printf("%s: couldn't establish interrupt",sc->sc_dev.dv_xname); if (intrstr != NULL) printf(" at %s", intrstr); printf("\n"); return; } printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); /* Initialization */ if(cs4280_init(sc, 1) != 0) return; /* AC 97 attachement */ sc->host_if.arg = sc; sc->host_if.attach = cs4280_attach_codec; sc->host_if.read = cs4280_read_codec; sc->host_if.write = cs4280_write_codec; sc->host_if.reset = cs4280_reset_codec; if (ac97_attach(&sc->host_if) != 0) { printf("%s: ac97_attach failed\n", sc->sc_dev.dv_xname); return; } /* Turn mute off of DAC, CD and master volumes by default */ ctl.type = AUDIO_MIXER_ENUM; ctl.un.ord = 0; /* off */ ctl.dev = cs4280_get_portnum_by_name(sc, AudioCoutputs, AudioNmaster, AudioNmute); cs4280_mixer_set_port(sc, &ctl); ctl.dev = cs4280_get_portnum_by_name(sc, AudioCinputs, AudioNdac, AudioNmute); cs4280_mixer_set_port(sc, &ctl); ctl.dev = cs4280_get_portnum_by_name(sc, AudioCinputs, AudioNcd, AudioNmute); cs4280_mixer_set_port(sc, &ctl); audio_attach_mi(&cs4280_hw_if, sc, &sc->sc_dev); #if NMIDI > 0 midi_attach_mi(&cs4280_midi_hw_if, sc, &sc->sc_dev); #endif sc->sc_suspend = PWR_RESUME; sc->sc_powerhook = powerhook_establish(cs4280_power, sc); } int cs4280_intr(p) void *p; { /* * XXX * * Since CS4280 has only 4kB dma buffer and * interrupt occurs every 2kB block, I create dummy buffer * which returns to audio driver and actual dma buffer * using in DMA transfer. * * * ring buffer in audio.c is pointed by BUFADDR * <------ ring buffer size == 64kB ------> * <-----> blksize == 2048*(sc->sc_[pr]count) kB * |= = = =|= = = =|= = = =|= = = =|= = = =| * | | | | | | <- call audio_intp every * sc->sc_[pr]_count time. * * actual dma buffer is pointed by KERNADDR * <-> dma buffer size = 4kB * |= =| * * */ struct cs4280_softc *sc = p; u_int32_t intr, mem; char * empty_dma; intr = BA0READ4(sc, CS4280_HISR); if ((intr & HISR_INTENA) == 0) { BA0WRITE4(sc, CS4280_HICR, HICR_CHGM | HICR_IEV); return (0); } /* Playback Interrupt */ if (intr & HISR_PINT) { mem = BA1READ4(sc, CS4280_PFIE); BA1WRITE4(sc, CS4280_PFIE, (mem & ~PFIE_PI_MASK) | PFIE_PI_DISABLE); if (sc->sc_pintr) { if ((sc->sc_pi%sc->sc_pcount) == 0) sc->sc_pintr(sc->sc_parg); } else { printf("unexpected play intr\n"); } /* copy buffer */ ++sc->sc_pi; empty_dma = sc->sc_pdma->addr; if (sc->sc_pi&1) empty_dma += CS4280_ICHUNK; memcpy(empty_dma, sc->sc_pn, CS4280_ICHUNK); sc->sc_pn += CS4280_ICHUNK; if (sc->sc_pn >= sc->sc_pe) sc->sc_pn = sc->sc_ps; BA1WRITE4(sc, CS4280_PFIE, mem); } /* Capture Interrupt */ if (intr & HISR_CINT) { int i; int16_t rdata; mem = BA1READ4(sc, CS4280_CIE); BA1WRITE4(sc, CS4280_CIE, (mem & ~CIE_CI_MASK) | CIE_CI_DISABLE); ++sc->sc_ri; empty_dma = sc->sc_rdma->addr; if ((sc->sc_ri&1) == 0) empty_dma += CS4280_ICHUNK; /* * XXX * I think this audio data conversion should be * happend in upper layer, but I put this here * since there is no conversion function available. */ switch(sc->sc_rparam) { case CF_16BIT_STEREO: /* just copy it */ memcpy(sc->sc_rn, empty_dma, CS4280_ICHUNK); sc->sc_rn += CS4280_ICHUNK; break; case CF_16BIT_MONO: for (i = 0; i < 512; i++) { rdata = *((int16_t *)empty_dma)++>>1; rdata += *((int16_t *)empty_dma)++>>1; *((int16_t *)sc->sc_rn)++ = rdata; } break; case CF_8BIT_STEREO: for (i = 0; i < 512; i++) { rdata = *((int16_t*)empty_dma)++; *sc->sc_rn++ = rdata >> 8; rdata = *((int16_t*)empty_dma)++; *sc->sc_rn++ = rdata >> 8; } break; case CF_8BIT_MONO: for (i = 0; i < 512; i++) { rdata = *((int16_t*)empty_dma)++ >>1; rdata += *((int16_t*)empty_dma)++ >>1; *sc->sc_rn++ = rdata >>8; } break; default: /* Should not reach here */ printf("unknown sc->sc_rparam: %d\n", sc->sc_rparam); } if (sc->sc_rn >= sc->sc_re) sc->sc_rn = sc->sc_rs; BA1WRITE4(sc, CS4280_CIE, mem); if (sc->sc_rintr) { if ((sc->sc_ri%(sc->sc_rcount)) == 0) sc->sc_rintr(sc->sc_rarg); } else { printf("unexpected record intr\n"); } } #if NMIDI > 0 /* Midi port Interrupt */ if (intr & HISR_MIDI) { int data; DPRINTF(("i: %d: ", BA0READ4(sc, CS4280_MIDSR))); /* Read the received data */ while ((sc->sc_iintr != NULL) && ((BA0READ4(sc, CS4280_MIDSR) & MIDSR_RBE) == 0)) { data = BA0READ4(sc, CS4280_MIDRP) & MIDRP_MASK; DPRINTF(("r:%x\n",data)); sc->sc_iintr(sc->sc_arg, data); } /* Write the data */ #if 1 /* XXX: * It seems "Transmit Buffer Full" never activate until EOI * is deliverd. Shall I throw EOI top of this routine ? */ if ((BA0READ4(sc, CS4280_MIDSR) & MIDSR_TBF) == 0) { DPRINTF(("w: ")); if (sc->sc_ointr != NULL) sc->sc_ointr(sc->sc_arg); } #else while ((sc->sc_ointr != NULL) && ((BA0READ4(sc, CS4280_MIDSR) & MIDSR_TBF) == 0)) { DPRINTF(("w: ")); sc->sc_ointr(sc->sc_arg); } #endif DPRINTF(("\n")); } #endif /* Throw EOI */ BA0WRITE4(sc, CS4280_HICR, HICR_CHGM | HICR_IEV); return (0); } /* Download Proceessor Code and Data image */ int cs4280_download(sc, src, offset, len) struct cs4280_softc *sc; u_int32_t *src; u_int32_t offset, len; { u_int32_t ctr; #ifdef CS4280_DEBUG u_int32_t con, data; u_int8_t c0,c1,c2,c3; #endif if ((offset&3) || (len&3)) return (-1); len /= sizeof(u_int32_t); for (ctr = 0; ctr < len; ctr++) { /* XXX: * I cannot confirm this is the right thing or not * on BIG-ENDIAN machines. */ BA1WRITE4(sc, offset+ctr*4, htole32(*(src+ctr))); #ifdef CS4280_DEBUG data = htole32(*(src+ctr)); c0 = bus_space_read_1(sc->ba1t, sc->ba1h, offset+ctr*4+0); c1 = bus_space_read_1(sc->ba1t, sc->ba1h, offset+ctr*4+1); c2 = bus_space_read_1(sc->ba1t, sc->ba1h, offset+ctr*4+2); c3 = bus_space_read_1(sc->ba1t, sc->ba1h, offset+ctr*4+3); con = ( (c3<<24) | (c2<<16) | (c1<<8) | c0 ); if (data != con ) { printf("0x%06x: write=0x%08x read=0x%08x\n", offset+ctr*4, data, con); return (-1); } #endif } return (0); } int cs4280_download_image(sc) struct cs4280_softc *sc; { int idx, err; u_int32_t offset = 0; err = 0; for (idx = 0; idx < BA1_MEMORY_COUNT; ++idx) { err = cs4280_download(sc, &BA1Struct.map[offset], BA1Struct.memory[idx].offset, BA1Struct.memory[idx].size); if (err != 0) { printf("%s: load_image failed at %d\n", sc->sc_dev.dv_xname, idx); return (-1); } offset += BA1Struct.memory[idx].size / sizeof(u_int32_t); } return (err); } #ifdef CS4280_DEBUG int cs4280_checkimage(sc, src, offset, len) struct cs4280_softc *sc; u_int32_t *src; u_int32_t offset, len; { u_int32_t ctr, data; int err = 0; if ((offset&3) || (len&3)) return -1; len /= sizeof(u_int32_t); for (ctr = 0; ctr < len; ctr++) { /* I cannot confirm this is the right thing * on BIG-ENDIAN machines */ data = BA1READ4(sc, offset+ctr*4); if (data != htole32(*(src+ctr))) { printf("0x%06x: 0x%08x(0x%08x)\n", offset+ctr*4, data, *(src+ctr)); *(src+ctr) = data; ++err; } } return (err); } int cs4280_check_images(sc) struct cs4280_softc *sc; { int idx, err; u_int32_t offset = 0; err = 0; /*for (idx=0; idx < BA1_MEMORY_COUNT; ++idx) { */ for (idx = 0; idx < 1; ++idx) { err = cs4280_checkimage(sc, &BA1Struct.map[offset], BA1Struct.memory[idx].offset, BA1Struct.memory[idx].size); if (err != 0) { printf("%s: check_image failed at %d\n", sc->sc_dev.dv_xname, idx); } offset += BA1Struct.memory[idx].size / sizeof(u_int32_t); } return (err); } #endif int cs4280_attach_codec(sc_, codec_if) void *sc_; struct ac97_codec_if *codec_if; { struct cs4280_softc *sc = sc_; sc->codec_if = codec_if; return (0); } void cs4280_reset_codec(sc_) void *sc_; { struct cs4280_softc *sc = sc_; int n; /* Reset codec */ BA0WRITE4(sc, CS4280_ACCTL, 0); delay(100); /* delay 100us */ BA0WRITE4(sc, CS4280_ACCTL, ACCTL_RSTN); /* * It looks like we do the following procedure, too */ /* Enable AC-link sync generation */ BA0WRITE4(sc, CS4280_ACCTL, ACCTL_ESYN | ACCTL_RSTN); delay(50*1000); /* XXX delay 50ms */ /* Assert valid frame signal */ BA0WRITE4(sc, CS4280_ACCTL, ACCTL_VFRM | ACCTL_ESYN | ACCTL_RSTN); /* Wait for valid AC97 input slot */ n = 0; while (BA0READ4(sc, CS4280_ACISV) != (ACISV_ISV3 | ACISV_ISV4)) { delay(1000); if (++n > 1000) { printf("reset_codec: AC97 inputs slot ready timeout\n"); return; } } } /* Processor Soft Reset */ void cs4280_reset(sc_) void *sc_; { struct cs4280_softc *sc = sc_; /* Set RSTSP bit in SPCR (also clear RUN, RUNFR, and DRQEN) */ BA1WRITE4(sc, CS4280_SPCR, SPCR_RSTSP); delay(100); /* Clear RSTSP bit in SPCR */ BA1WRITE4(sc, CS4280_SPCR, 0); /* enable DMA reqest */ BA1WRITE4(sc, CS4280_SPCR, SPCR_DRQEN); } int cs4280_open(addr, flags) void *addr; int flags; { return (0); } void cs4280_close(addr) void *addr; { struct cs4280_softc *sc = addr; cs4280_halt_output(sc); cs4280_halt_input(sc); sc->sc_pintr = 0; sc->sc_rintr = 0; } int cs4280_query_encoding(addr, fp) void *addr; struct audio_encoding *fp; { switch (fp->index) { case 0: strcpy(fp->name, AudioEulinear); fp->encoding = AUDIO_ENCODING_ULINEAR; fp->precision = 8; fp->flags = 0; break; case 1: strcpy(fp->name, AudioEmulaw); fp->encoding = AUDIO_ENCODING_ULAW; fp->precision = 8; fp->flags = AUDIO_ENCODINGFLAG_EMULATED; break; case 2: strcpy(fp->name, AudioEalaw); fp->encoding = AUDIO_ENCODING_ALAW; fp->precision = 8; fp->flags = AUDIO_ENCODINGFLAG_EMULATED; break; case 3: strcpy(fp->name, AudioEslinear); fp->encoding = AUDIO_ENCODING_SLINEAR; fp->precision = 8; fp->flags = 0; break; case 4: strcpy(fp->name, AudioEslinear_le); fp->encoding = AUDIO_ENCODING_SLINEAR_LE; fp->precision = 16; fp->flags = 0; break; case 5: strcpy(fp->name, AudioEulinear_le); fp->encoding = AUDIO_ENCODING_ULINEAR_LE; fp->precision = 16; fp->flags = 0; break; case 6: strcpy(fp->name, AudioEslinear_be); fp->encoding = AUDIO_ENCODING_SLINEAR_BE; fp->precision = 16; fp->flags = 0; break; case 7: strcpy(fp->name, AudioEulinear_be); fp->encoding = AUDIO_ENCODING_ULINEAR_BE; fp->precision = 16; fp->flags = 0; break; default: return (EINVAL); } return (0); } int cs4280_set_params(addr, setmode, usemode, play, rec) void *addr; int setmode, usemode; struct audio_params *play, *rec; { struct cs4280_softc *sc = addr; struct audio_params *p; int mode; 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 == play) { DPRINTFN(5,("play: sample=%ld precision=%d channels=%d\n", p->sample_rate, p->precision, p->channels)); /* play back data format may be 8- or 16-bit and * either stereo or mono. * playback rate may range from 8000Hz to 48000Hz */ if (p->sample_rate < 8000 || p->sample_rate > 48000 || (p->precision != 8 && p->precision != 16) || (p->channels != 1 && p->channels != 2) ) { return (EINVAL); } } else { DPRINTFN(5,("rec: sample=%ld precision=%d channels=%d\n", p->sample_rate, p->precision, p->channels)); /* capture data format must be 16bit stereo * and sample rate range from 11025Hz to 48000Hz. * * XXX: it looks like to work with 8000Hz, * although data sheets say lower limit is * 11025 Hz. */ if (p->sample_rate < 8000 || p->sample_rate > 48000 || (p->precision != 8 && p->precision != 16) || (p->channels != 1 && p->channels != 2) ) { return (EINVAL); } } p->factor = 1; p->sw_code = 0; /* capturing data is slinear */ switch (p->encoding) { case AUDIO_ENCODING_SLINEAR_BE: if (mode == AUMODE_RECORD) { if (p->precision == 16) p->sw_code = swap_bytes; } break; case AUDIO_ENCODING_SLINEAR_LE: break; case AUDIO_ENCODING_ULINEAR_BE: if (mode == AUMODE_RECORD) { if (p->precision == 16) p->sw_code = change_sign16_swap_bytes; else p->sw_code = change_sign8; } break; case AUDIO_ENCODING_ULINEAR_LE: if (mode == AUMODE_RECORD) { if (p->precision == 16) p->sw_code = change_sign16; else p->sw_code = change_sign8; } break; case AUDIO_ENCODING_ULAW: if (mode == AUMODE_PLAY) { p->factor = 2; p->sw_code = mulaw_to_slinear16; } else { p->sw_code = slinear8_to_mulaw; } break; case AUDIO_ENCODING_ALAW: if (mode == AUMODE_PLAY) { p->factor = 2; p->sw_code = alaw_to_slinear16; } else { p->sw_code = slinear8_to_alaw; } break; default: return (EINVAL); } } /* set sample rate */ cs4280_set_dac_rate(sc, play->sample_rate); cs4280_set_adc_rate(sc, rec->sample_rate); return (0); } int cs4280_round_blocksize(hdl, blk) void *hdl; int blk; { return (blk < CS4280_ICHUNK ? CS4280_ICHUNK : blk & -CS4280_ICHUNK); } u_long cs4280_round_buffersize(addr, size) void *addr; u_long size; { /* although real dma buffer size is 4KB, * let the audio.c driver use a larger buffer. * ( suggested by Lennart Augustsson. ) */ return (size); } int cs4280_get_props(hdl) void *hdl; { return (AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX); #ifdef notyet /* XXX * How can I mmap ? */ AUDIO_PROP_MMAP #endif } int cs4280_mixer_get_port(addr, cp) void *addr; mixer_ctrl_t *cp; { struct cs4280_softc *sc = addr; return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp)); } paddr_t cs4280_mappage(addr, mem, off, prot) void *addr; void *mem; off_t off; int prot; { struct cs4280_softc *sc = addr; struct cs4280_dma *p; if (off < 0) return (-1); for (p = sc->sc_dmas; p && BUFADDR(p) != mem; p = p->next) ; if (!p) { DPRINTF(("cs4280_mappage: bad buffer address\n")); return (-1); } return (bus_dmamem_mmap(sc->sc_dmatag, p->segs, p->nsegs, off, prot, BUS_DMA_WAITOK)); } int cs4280_query_devinfo(addr, dip) void *addr; mixer_devinfo_t *dip; { struct cs4280_softc *sc = addr; return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip)); } int cs4280_get_portnum_by_name(sc, class, device, qualifier) struct cs4280_softc *sc; char *class, *device, *qualifier; { return (sc->codec_if->vtbl->get_portnum_by_name(sc->codec_if, class, device, qualifier)); } int cs4280_halt_output(addr) void *addr; { struct cs4280_softc *sc = addr; u_int32_t mem; mem = BA1READ4(sc, CS4280_PCTL); BA1WRITE4(sc, CS4280_PCTL, mem & ~PCTL_MASK); #ifdef DIAGNOSTIC sc->sc_prun = 0; #endif return (0); } int cs4280_halt_input(addr) void *addr; { struct cs4280_softc *sc = addr; u_int32_t mem; mem = BA1READ4(sc, CS4280_CCTL); BA1WRITE4(sc, CS4280_CCTL, mem & ~CCTL_MASK); #ifdef DIAGNOSTIC sc->sc_rrun = 0; #endif return (0); } int cs4280_getdev(addr, retp) void *addr; struct audio_device *retp; { *retp = cs4280_device; return (0); } int cs4280_mixer_set_port(addr, cp) void *addr; mixer_ctrl_t *cp; { struct cs4280_softc *sc = addr; int val; val = sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp); DPRINTFN(3,("mixer_set_port: val=%d\n", val)); return (val); } int cs4280_freemem(sc, p) struct cs4280_softc *sc; struct cs4280_dma *p; { bus_dmamap_unload(sc->sc_dmatag, p->map); bus_dmamap_destroy(sc->sc_dmatag, p->map); bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size); bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs); return (0); } int cs4280_allocmem(sc, size, align, p) struct cs4280_softc *sc; size_t size; size_t align; struct cs4280_dma *p; { int error; /* XXX */ p->size = size; error = bus_dmamem_alloc(sc->sc_dmatag, p->size, align, 0, p->segs, sizeof(p->segs)/sizeof(p->segs[0]), &p->nsegs, BUS_DMA_NOWAIT); if (error) { printf("%s: unable to allocate dma, error=%d\n", sc->sc_dev.dv_xname, error); return (error); } error = bus_dmamem_map(sc->sc_dmatag, p->segs, p->nsegs, p->size, &p->addr, BUS_DMA_NOWAIT|BUS_DMA_COHERENT); if (error) { printf("%s: unable to map dma, error=%d\n", sc->sc_dev.dv_xname, error); goto free; } error = bus_dmamap_create(sc->sc_dmatag, p->size, 1, p->size, 0, BUS_DMA_NOWAIT, &p->map); if (error) { printf("%s: unable to create dma map, error=%d\n", sc->sc_dev.dv_xname, error); goto unmap; } error = bus_dmamap_load(sc->sc_dmatag, p->map, p->addr, p->size, NULL, BUS_DMA_NOWAIT); if (error) { printf("%s: unable to load dma map, error=%d\n", sc->sc_dev.dv_xname, error); goto destroy; } return (0); destroy: bus_dmamap_destroy(sc->sc_dmatag, p->map); unmap: bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size); free: bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs); return (error); } void * cs4280_malloc(addr, size, pool, flags) void *addr; u_long size; int pool, flags; { struct cs4280_softc *sc = addr; struct cs4280_dma *p; caddr_t q; int error; DPRINTFN(5,("cs4280_malloc: size=%d pool=%d flags=%d\n", size, pool, flags)); q = malloc(size, pool, flags); if (!q) return (0); p = malloc(sizeof(*p), pool, flags); if (!p) { free(q,pool); return (0); } /* * cs4280 has fixed 4kB buffer */ error = cs4280_allocmem(sc, CS4280_DCHUNK, CS4280_DALIGN, p); if (error) { free(q, pool); free(p, pool); return (0); } p->next = sc->sc_dmas; sc->sc_dmas = p; p->dum = q; /* return to audio driver */ return (p->dum); } void cs4280_free(addr, ptr, pool) void *addr; void *ptr; int pool; { struct cs4280_softc *sc = addr; struct cs4280_dma **pp, *p; for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) { if (BUFADDR(p) == ptr) { cs4280_freemem(sc, p); *pp = p->next; free(p->dum, pool); free(p, pool); return; } } } int cs4280_trigger_output(addr, start, end, blksize, intr, arg, param) void *addr; void *start, *end; int blksize; void (*intr) __P((void *)); void *arg; struct audio_params *param; { struct cs4280_softc *sc = addr; u_int32_t pfie, pctl, mem, pdtc; struct cs4280_dma *p; #ifdef DIAGNOSTIC if (sc->sc_prun) printf("cs4280_trigger_output: already running\n"); sc->sc_prun = 1; #endif DPRINTF(("cs4280_trigger_output: sc=%p start=%p end=%p " "blksize=%d intr=%p(%p)\n", addr, start, end, blksize, intr, arg)); sc->sc_pintr = intr; sc->sc_parg = arg; /* stop playback DMA */ mem = BA1READ4(sc, CS4280_PCTL); BA1WRITE4(sc, CS4280_PCTL, mem & ~PCTL_MASK); /* setup PDTC */ pdtc = BA1READ4(sc, CS4280_PDTC); pdtc &= ~PDTC_MASK; pdtc |= CS4280_MK_PDTC(param->precision * param->channels); BA1WRITE4(sc, CS4280_PDTC, pdtc); DPRINTF(("param: precision=%d factor=%d channels=%d encoding=%d\n", param->precision, param->factor, param->channels, param->encoding)); for (p = sc->sc_dmas; p != NULL && BUFADDR(p) != start; p = p->next) ; if (p == NULL) { printf("cs4280_trigger_output: bad addr %p\n", start); return (EINVAL); } if (DMAADDR(p) % CS4280_DALIGN != 0 ) { printf("cs4280_trigger_output: DMAADDR(p)=0x%lx does not start" "4kB align\n", DMAADDR(p)); return (EINVAL); } sc->sc_pcount = blksize / CS4280_ICHUNK; /* CS4280_ICHUNK is fixed hardware blksize*/ sc->sc_ps = (char *)start; sc->sc_pe = (char *)end; sc->sc_pdma = p; sc->sc_pbuf = KERNADDR(p); sc->sc_pi = 0; sc->sc_pn = sc->sc_ps; if (blksize >= CS4280_DCHUNK) { sc->sc_pn = sc->sc_ps + CS4280_DCHUNK; memcpy(sc->sc_pbuf, start, CS4280_DCHUNK); ++sc->sc_pi; } else { sc->sc_pn = sc->sc_ps + CS4280_ICHUNK; memcpy(sc->sc_pbuf, start, CS4280_ICHUNK); } /* initiate playback dma */ BA1WRITE4(sc, CS4280_PBA, DMAADDR(p)); /* set PFIE */ pfie = BA1READ4(sc, CS4280_PFIE) & ~PFIE_MASK; if (param->precision * param->factor == 8) pfie |= PFIE_8BIT; if (param->channels == 1) pfie |= PFIE_MONO; if (param->encoding == AUDIO_ENCODING_ULINEAR_BE || param->encoding == AUDIO_ENCODING_SLINEAR_BE) pfie |= PFIE_SWAPPED; if (param->encoding == AUDIO_ENCODING_ULINEAR_BE || param->encoding == AUDIO_ENCODING_ULINEAR_LE) pfie |= PFIE_UNSIGNED; BA1WRITE4(sc, CS4280_PFIE, pfie | PFIE_PI_ENABLE); cs4280_set_dac_rate(sc, param->sample_rate); pctl = BA1READ4(sc, CS4280_PCTL) & ~PCTL_MASK; pctl |= sc->pctl; BA1WRITE4(sc, CS4280_PCTL, pctl); return (0); } int cs4280_trigger_input(addr, start, end, blksize, intr, arg, param) void *addr; void *start, *end; int blksize; void (*intr) __P((void *)); void *arg; struct audio_params *param; { struct cs4280_softc *sc = addr; u_int32_t cctl, cie; struct cs4280_dma *p; #ifdef DIAGNOSTIC if (sc->sc_rrun) printf("cs4280_trigger_input: already running\n"); sc->sc_rrun = 1; #endif DPRINTF(("cs4280_trigger_input: sc=%p start=%p end=%p " "blksize=%d intr=%p(%p)\n", addr, start, end, blksize, intr, arg)); sc->sc_rintr = intr; sc->sc_rarg = arg; sc->sc_ri = 0; sc->sc_rcount = blksize / CS4280_ICHUNK; /* CS4280_ICHUNK is fixed hardware blksize*/ sc->sc_rs = (char *)start; sc->sc_re = (char *)end; sc->sc_rn = sc->sc_rs; /* setup format information for internal converter */ sc->sc_rparam = 0; if (param->precision == 8) { sc->sc_rparam += CF_8BIT; sc->sc_rcount <<= 1; } if (param->channels == 1) { sc->sc_rparam += CF_MONO; sc->sc_rcount <<= 1; } /* stop capture DMA */ cctl = BA1READ4(sc, CS4280_CCTL) & ~CCTL_MASK; BA1WRITE4(sc, CS4280_CCTL, cctl); for (p = sc->sc_dmas; p && BUFADDR(p) != start; p = p->next) ; if (!p) { printf("cs4280_trigger_input: bad addr %p\n", start); return (EINVAL); } if (DMAADDR(p) % CS4280_DALIGN != 0) { printf("cs4280_trigger_input: DMAADDR(p)=0x%lx does not start" "4kB align\n", DMAADDR(p)); return (EINVAL); } sc->sc_rdma = p; sc->sc_rbuf = KERNADDR(p); /* initiate capture dma */ BA1WRITE4(sc, CS4280_CBA, DMAADDR(p)); /* set CIE */ cie = BA1READ4(sc, CS4280_CIE) & ~CIE_CI_MASK; BA1WRITE4(sc, CS4280_CIE, cie | CIE_CI_ENABLE); cs4280_set_adc_rate(sc, param->sample_rate); cctl = BA1READ4(sc, CS4280_CCTL) & ~CCTL_MASK; cctl |= sc->cctl; BA1WRITE4(sc, CS4280_CCTL, cctl); return (0); } int cs4280_init(sc, init) struct cs4280_softc *sc; int init; { int n; u_int32_t mem; /* Start PLL out in known state */ BA0WRITE4(sc, CS4280_CLKCR1, 0); /* Start serial ports out in known state */ BA0WRITE4(sc, CS4280_SERMC1, 0); /* Specify type of CODEC */ /* XXX should no be here */ #define SERACC_CODEC_TYPE_1_03 #ifdef SERACC_CODEC_TYPE_1_03 BA0WRITE4(sc, CS4280_SERACC, SERACC_HSP | SERACC_CTYPE_1_03); /* AC 97 1.03 */ #else BA0WRITE4(sc, CS4280_SERACC, SERACC_HSP | SERACC_CTYPE_2_0); /* AC 97 2.0 */ #endif /* Reset codec */ BA0WRITE4(sc, CS4280_ACCTL, 0); delay(100); /* delay 100us */ BA0WRITE4(sc, CS4280_ACCTL, ACCTL_RSTN); /* Enable AC-link sync generation */ BA0WRITE4(sc, CS4280_ACCTL, ACCTL_ESYN | ACCTL_RSTN); delay(50*1000); /* delay 50ms */ /* Set the serial port timing configuration */ BA0WRITE4(sc, CS4280_SERMC1, SERMC1_PTC_AC97); /* Setup clock control */ BA0WRITE4(sc, CS4280_PLLCC, PLLCC_CDR_STATE|PLLCC_LPF_STATE); BA0WRITE4(sc, CS4280_PLLM, PLLM_STATE); BA0WRITE4(sc, CS4280_CLKCR2, CLKCR2_PDIVS_8); /* Power up the PLL */ BA0WRITE4(sc, CS4280_CLKCR1, CLKCR1_PLLP); delay(50*1000); /* delay 50ms */ /* Turn on clock */ BA0WRITE4(sc, CS4280_CLKCR1, CLKCR1_PLLP | CLKCR1_SWCE); /* Set the serial port FIFO pointer to the * first sample in FIFO. (not documented) */ cs4280_clear_fifos(sc); #if 0 /* Set the serial port FIFO pointer to the first sample in the FIFO */ BA0WRITE4(sc, CS4280_SERBSP, 0); #endif /* Configure the serial port */ BA0WRITE4(sc, CS4280_SERC1, SERC1_SO1EN | SERC1_SO1F_AC97); BA0WRITE4(sc, CS4280_SERC2, SERC2_SI1EN | SERC2_SI1F_AC97); BA0WRITE4(sc, CS4280_SERMC1, SERMC1_MSPE | SERMC1_PTC_AC97); /* Wait for CODEC ready */ n = 0; while ((BA0READ4(sc, CS4280_ACSTS) & ACSTS_CRDY) == 0) { delay(125); if (++n > 1000) { printf("%s: codec ready timeout\n", sc->sc_dev.dv_xname); return(1); } } /* Assert valid frame signal */ BA0WRITE4(sc, CS4280_ACCTL, ACCTL_VFRM | ACCTL_ESYN | ACCTL_RSTN); /* Wait for valid AC97 input slot */ n = 0; while (BA0READ4(sc, CS4280_ACISV) != (ACISV_ISV3 | ACISV_ISV4)) { delay(1000); if (++n > 1000) { printf("AC97 inputs slot ready timeout\n"); return(1); } } /* Set AC97 output slot valid signals */ BA0WRITE4(sc, CS4280_ACOSV, ACOSV_SLV3 | ACOSV_SLV4); /* reset the processor */ cs4280_reset(sc); /* Download the image to the processor */ if (cs4280_download_image(sc) != 0) { printf("%s: image download error\n", sc->sc_dev.dv_xname); return(1); } /* Save playback parameter and then write zero. * this ensures that DMA doesn't immediately occur upon * starting the processor core */ mem = BA1READ4(sc, CS4280_PCTL); sc->pctl = mem & PCTL_MASK; /* save startup value */ cs4280_halt_output(sc); /* Save capture parameter and then write zero. * this ensures that DMA doesn't immediately occur upon * starting the processor core */ mem = BA1READ4(sc, CS4280_CCTL); sc->cctl = mem & CCTL_MASK; /* save startup value */ cs4280_halt_input(sc); /* Processor Startup Procedure */ BA1WRITE4(sc, CS4280_FRMT, FRMT_FTV); BA1WRITE4(sc, CS4280_SPCR, SPCR_RUN | SPCR_RUNFR | SPCR_DRQEN); /* Monitor RUNFR bit in SPCR for 1 to 0 transition */ n = 0; while (BA1READ4(sc, CS4280_SPCR) & SPCR_RUNFR) { delay(10); if (++n > 1000) { printf("SPCR 1->0 transition timeout\n"); return(1); } } n = 0; while (!(BA1READ4(sc, CS4280_SPCS) & SPCS_SPRUN)) { delay(10); if (++n > 1000) { printf("SPCS 0->1 transition timeout\n"); return(1); } } /* Processor is now running !!! */ /* Setup volume */ BA1WRITE4(sc, CS4280_PVOL, 0x80008000); BA1WRITE4(sc, CS4280_CVOL, 0x80008000); /* Interrupt enable */ BA0WRITE4(sc, CS4280_HICR, HICR_IEV|HICR_CHGM); /* playback interrupt enable */ mem = BA1READ4(sc, CS4280_PFIE) & ~PFIE_PI_MASK; mem |= PFIE_PI_ENABLE; BA1WRITE4(sc, CS4280_PFIE, mem); /* capture interrupt enable */ mem = BA1READ4(sc, CS4280_CIE) & ~CIE_CI_MASK; mem |= CIE_CI_ENABLE; BA1WRITE4(sc, CS4280_CIE, mem); #if NMIDI > 0 /* Reset midi port */ mem = BA0READ4(sc, CS4280_MIDCR) & ~MIDCR_MASK; BA0WRITE4(sc, CS4280_MIDCR, mem | MIDCR_MRST); DPRINTF(("midi reset: 0x%x\n", BA0READ4(sc, CS4280_MIDCR))); /* midi interrupt enable */ mem |= MIDCR_TXE | MIDCR_RXE | MIDCR_RIE | MIDCR_TIE; BA0WRITE4(sc, CS4280_MIDCR, mem); #endif return(0); } void cs4280_power(why, v) int why; void *v; { struct cs4280_softc *sc = (struct cs4280_softc *)v; int i; DPRINTF(("%s: cs4280_power why=%d\n", sc->sc_dev.dv_xname, why)); if (why != PWR_RESUME) { sc->sc_suspend = why; cs4280_halt_output(sc); cs4280_halt_input(sc); /* Save AC97 registers */ for(i = 1; i <= CS4280_SAVE_REG_MAX; i++) { if(i == 0x04) /* AC97_REG_MASTER_TONE */ continue; cs4280_read_codec(sc, 2*i, &sc->ac97_reg[i>>1]); } /* should I powerdown here ? */ cs4280_write_codec(sc, AC97_REG_POWER, CS4280_POWER_DOWN_ALL); } else { if (sc->sc_suspend == PWR_RESUME) { printf("cs4280_power: odd, resume without suspend.\n"); sc->sc_suspend = why; return; } sc->sc_suspend = why; cs4280_init(sc, 0); cs4280_reset_codec(sc); /* restore ac97 registers */ for(i = 1; i <= CS4280_SAVE_REG_MAX; i++) { if(i == 0x04) /* AC97_REG_MASTER_TONE */ continue; cs4280_write_codec(sc, 2*i, sc->ac97_reg[i]); } } } void cs4280_clear_fifos(sc) struct cs4280_softc *sc; { int pd = 0, cnt, n; u_int32_t mem; /* * If device power down, power up the device and keep power down * state. */ mem = BA0READ4(sc, CS4280_CLKCR1); if (!(mem & CLKCR1_SWCE)) { printf("cs4280_clear_fifo: power down found.\n"); BA0WRITE4(sc, CS4280_CLKCR1, mem | CLKCR1_SWCE); pd = 1; } BA0WRITE4(sc, CS4280_SERBWP, 0); for (cnt = 0; cnt < 256; cnt++) { n = 0; while (BA0READ4(sc, CS4280_SERBST) & SERBST_WBSY) { delay(1000); if (++n > 1000) { printf("clear_fifo: fist timeout cnt=%d\n", cnt); break; } } BA0WRITE4(sc, CS4280_SERBAD, cnt); BA0WRITE4(sc, CS4280_SERBCM, SERBCM_WRC); } if (pd) BA0WRITE4(sc, CS4280_CLKCR1, mem); } #if NMIDI > 0 int cs4280_midi_open(addr, flags, iintr, ointr, arg) void *addr; int flags; void (*iintr)__P((void *, int)); void (*ointr)__P((void *)); void *arg; { struct cs4280_softc *sc = addr; u_int32_t mem; DPRINTF(("midi_open\n")); sc->sc_iintr = iintr; sc->sc_ointr = ointr; sc->sc_arg = arg; /* midi interrupt enable */ mem = BA0READ4(sc, CS4280_MIDCR) & ~MIDCR_MASK; mem |= MIDCR_TXE | MIDCR_RXE | MIDCR_RIE | MIDCR_TIE | MIDCR_MLB; BA0WRITE4(sc, CS4280_MIDCR, mem); #ifdef CS4280_DEBUG if (mem != BA0READ4(sc, CS4280_MIDCR)) { DPRINTF(("midi_open: MIDCR=%d\n", BA0READ4(sc, CS4280_MIDCR))); return(EINVAL); } DPRINTF(("MIDCR=0x%x\n", BA0READ4(sc, CS4280_MIDCR))); #endif return (0); } void cs4280_midi_close(addr) void *addr; { struct cs4280_softc *sc = addr; u_int32_t mem; DPRINTF(("midi_close\n")); mem = BA0READ4(sc, CS4280_MIDCR); mem &= ~MIDCR_MASK; BA0WRITE4(sc, CS4280_MIDCR, mem); sc->sc_iintr = 0; sc->sc_ointr = 0; } int cs4280_midi_output(addr, d) void *addr; int d; { struct cs4280_softc *sc = addr; u_int32_t mem; int x; for (x = 0; x != MIDI_BUSY_WAIT; x++) { if ((BA0READ4(sc, CS4280_MIDSR) & MIDSR_TBF) == 0) { mem = BA0READ4(sc, CS4280_MIDWP) & ~MIDWP_MASK; mem |= d & MIDWP_MASK; DPRINTFN(5,("midi_output d=0x%08x",d)); BA0WRITE4(sc, CS4280_MIDWP, mem); if (mem != BA0READ4(sc, CS4280_MIDWP)) { DPRINTF(("Bad write data: %d %d", mem, BA0READ4(sc, CS4280_MIDWP))); return(EIO); } return (0); } delay(MIDI_BUSY_DELAY); } return (EIO); } void cs4280_midi_getinfo(addr, mi) void *addr; struct midi_info *mi; { mi->name = "CS4280 MIDI UART"; mi->props = MIDI_PROP_CAN_INPUT | MIDI_PROP_OUT_INTR; } #endif