/* * Copyright (c) 1999 Cameron Grant * Copyright Luigi Rizzo, 1997,1998 * Copyright by Hannu Savolainen 1994, 1995 * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ #include #include struct ad1816_info; struct ad1816_chinfo { struct ad1816_info *parent; pcm_channel *channel; snd_dbuf *buffer; int dir; }; struct ad1816_info { struct resource *io_base; /* primary I/O address for the board */ int io_rid; struct resource *irq; int irq_rid; struct resource *drq1; /* play */ int drq1_rid; struct resource *drq2; /* rec */ int drq2_rid; bus_dma_tag_t parent_dmat; struct ad1816_chinfo pch, rch; }; static driver_intr_t ad1816_intr; static int ad1816_probe(device_t dev); static int ad1816_attach(device_t dev); /* IO primitives */ static int ad1816_wait_init(struct ad1816_info *ad1816, int x); static u_short ad1816_read(struct ad1816_info *ad1816, u_int reg); static void ad1816_write(struct ad1816_info *ad1816, u_int reg, u_short data); static int ad1816mix_init(snd_mixer *m); static int ad1816mix_set(snd_mixer *m, unsigned dev, unsigned left, unsigned right); static int ad1816mix_setrecsrc(snd_mixer *m, u_int32_t src); static snd_mixer ad1816_mixer = { "ad1816 mixer", ad1816mix_init, ad1816mix_set, ad1816mix_setrecsrc, }; static devclass_t pcm_devclass; /* channel interface */ static void *ad1816chan_init(void *devinfo, snd_dbuf *b, pcm_channel *c, int dir); static int ad1816chan_setdir(void *data, int dir); static int ad1816chan_setformat(void *data, u_int32_t format); static int ad1816chan_setspeed(void *data, u_int32_t speed); static int ad1816chan_setblocksize(void *data, u_int32_t blocksize); static int ad1816chan_trigger(void *data, int go); static int ad1816chan_getptr(void *data); static pcmchan_caps *ad1816chan_getcaps(void *data); static u_int32_t ad1816_fmt[] = { AFMT_U8, AFMT_STEREO | AFMT_U8, AFMT_S16_LE, AFMT_STEREO | AFMT_S16_LE, AFMT_MU_LAW, AFMT_STEREO | AFMT_MU_LAW, AFMT_A_LAW, AFMT_STEREO | AFMT_A_LAW, 0 }; static pcmchan_caps ad1816_caps = {4000, 55200, ad1816_fmt, 0}; static pcm_channel ad1816_chantemplate = { ad1816chan_init, ad1816chan_setdir, ad1816chan_setformat, ad1816chan_setspeed, ad1816chan_setblocksize, ad1816chan_trigger, ad1816chan_getptr, ad1816chan_getcaps, }; #define AD1816_MUTE 31 /* value for mute */ static int port_rd(struct resource *port, int off) { if (port) return bus_space_read_1(rman_get_bustag(port), rman_get_bushandle(port), off); else return -1; } static void port_wr(struct resource *port, int off, u_int8_t data) { if (port) return bus_space_write_1(rman_get_bustag(port), rman_get_bushandle(port), off, data); } static int io_rd(struct ad1816_info *ad1816, int reg) { return port_rd(ad1816->io_base, reg); } static void io_wr(struct ad1816_info *ad1816, int reg, u_int8_t data) { return port_wr(ad1816->io_base, reg, data); } static void ad1816_intr(void *arg) { struct ad1816_info *ad1816 = (struct ad1816_info *)arg; unsigned char c, served = 0; /* get interupt status */ c = io_rd(ad1816, AD1816_INT); /* check for stray interupts */ if (c & ~(AD1816_INTRCI | AD1816_INTRPI)) { printf("pcm: stray int (%x)\n", c); c &= AD1816_INTRCI | AD1816_INTRPI; } /* check for capture interupt */ if (ad1816->rch.buffer->dl && (c & AD1816_INTRCI)) { chn_intr(ad1816->rch.channel); served |= AD1816_INTRCI; /* cp served */ } /* check for playback interupt */ if (ad1816->pch.buffer->dl && (c & AD1816_INTRPI)) { chn_intr(ad1816->pch.channel); served |= AD1816_INTRPI; /* pb served */ } if (served == 0) { /* this probably means this is not a (working) ad1816 chip, */ /* or an error in dma handling */ printf("pcm: int without reason (%x)\n", c); c = 0; } else c &= ~served; io_wr(ad1816, AD1816_INT, c); c = io_rd(ad1816, AD1816_INT); if (c != 0) printf("pcm: int clear failed (%x)\n", c); } static int ad1816_wait_init(struct ad1816_info *ad1816, int x) { int n = 0; /* to shut up the compiler... */ for (; x--;) if ((n = (io_rd(ad1816, AD1816_ALE) & AD1816_BUSY)) == 0) DELAY(10); else return n; printf("ad1816_wait_init failed 0x%02x.\n", n); return -1; } static unsigned short ad1816_read(struct ad1816_info *ad1816, unsigned int reg) { int flags; u_short x = 0; /* we don't want to be blocked here */ flags = spltty(); if (ad1816_wait_init(ad1816, 100) == -1) return 0; io_wr(ad1816, AD1816_ALE, 0); io_wr(ad1816, AD1816_ALE, (reg & AD1816_ALEMASK)); if (ad1816_wait_init(ad1816, 100) == -1) return 0; x = (io_rd(ad1816, AD1816_HIGH) << 8) | io_rd(ad1816, AD1816_LOW); splx(flags); return x; } static void ad1816_write(struct ad1816_info *ad1816, unsigned int reg, unsigned short data) { int flags; flags = spltty(); if (ad1816_wait_init(ad1816, 100) == -1) return; io_wr(ad1816, AD1816_ALE, (reg & AD1816_ALEMASK)); io_wr(ad1816, AD1816_LOW, (data & 0x000000ff)); io_wr(ad1816, AD1816_HIGH, (data & 0x0000ff00) >> 8); splx(flags); } static int ad1816mix_init(snd_mixer *m) { mix_setdevs(m, AD1816_MIXER_DEVICES); mix_setrecdevs(m, AD1816_REC_DEVICES); return 0; } static int ad1816mix_set(snd_mixer *m, unsigned dev, unsigned left, unsigned right) { struct ad1816_info *ad1816 = mix_getdevinfo(m); u_short reg = 0; /* Scale volumes */ left = AD1816_MUTE - (AD1816_MUTE * left) / 100; right = AD1816_MUTE - (AD1816_MUTE * right) / 100; reg = (left << 8) | right; /* do channel selective muting if volume is zero */ if (left == AD1816_MUTE) reg |= 0x8000; if (right == AD1816_MUTE) reg |= 0x0080; switch (dev) { case SOUND_MIXER_VOLUME: /* Register 14 master volume */ ad1816_write(ad1816, 14, reg); break; case SOUND_MIXER_CD: /* Register 15 cd */ case SOUND_MIXER_LINE1: ad1816_write(ad1816, 15, reg); break; case SOUND_MIXER_SYNTH: /* Register 16 synth */ ad1816_write(ad1816, 16, reg); break; case SOUND_MIXER_PCM: /* Register 4 pcm */ ad1816_write(ad1816, 4, reg); break; case SOUND_MIXER_LINE: case SOUND_MIXER_LINE3: /* Register 18 line in */ ad1816_write(ad1816, 18, reg); break; case SOUND_MIXER_MIC: /* Register 19 mic volume */ ad1816_write(ad1816, 19, reg & ~0xff); /* mic is mono */ break; case SOUND_MIXER_IGAIN: /* and now to something completely different ... */ ad1816_write(ad1816, 20, ((ad1816_read(ad1816, 20) & ~0x0f0f) | (((AD1816_MUTE - left) / 2) << 8) /* four bits of adc gain */ | ((AD1816_MUTE - right) / 2))); break; default: printf("ad1816_mixer_set(): unknown device.\n"); break; } left = ((AD1816_MUTE - left) * 100) / AD1816_MUTE; right = ((AD1816_MUTE - right) * 100) / AD1816_MUTE; return left | (right << 8); } static int ad1816mix_setrecsrc(snd_mixer *m, u_int32_t src) { struct ad1816_info *ad1816 = mix_getdevinfo(m); int dev; switch (src) { case SOUND_MASK_LINE: case SOUND_MASK_LINE3: dev = 0x00; break; case SOUND_MASK_CD: case SOUND_MASK_LINE1: dev = 0x20; break; case SOUND_MASK_MIC: default: dev = 0x50; src = SOUND_MASK_MIC; } dev |= dev << 8; ad1816_write(ad1816, 20, (ad1816_read(ad1816, 20) & ~0x7070) | dev); return src; } /* channel interface */ static void * ad1816chan_init(void *devinfo, snd_dbuf *b, pcm_channel *c, int dir) { struct ad1816_info *ad1816 = devinfo; struct ad1816_chinfo *ch = (dir == PCMDIR_PLAY)? &ad1816->pch : &ad1816->rch; ch->parent = ad1816; ch->channel = c; ch->buffer = b; ch->buffer->bufsize = DSP_BUFFSIZE; if (chn_allocbuf(ch->buffer, ad1816->parent_dmat) == -1) return NULL; return ch; } static int ad1816chan_setdir(void *data, int dir) { struct ad1816_chinfo *ch = data; struct ad1816_info *ad1816 = ch->parent; ch->buffer->chan = rman_get_start((dir == PCMDIR_PLAY)? ad1816->drq1 : ad1816->drq2); ch->dir = dir; return 0; } static int ad1816chan_setformat(void *data, u_int32_t format) { struct ad1816_chinfo *ch = data; struct ad1816_info *ad1816 = ch->parent; int fmt = AD1816_U8, reg; if (ch->dir == PCMDIR_PLAY) { reg = AD1816_PLAY; ad1816_write(ad1816, 8, 0x0000); /* reset base and current counter */ ad1816_write(ad1816, 9, 0x0000); /* for playback and capture */ } else { reg = AD1816_CAPT; ad1816_write(ad1816, 10, 0x0000); ad1816_write(ad1816, 11, 0x0000); } switch (format & ~AFMT_STEREO) { case AFMT_A_LAW: fmt = AD1816_ALAW; break; case AFMT_MU_LAW: fmt = AD1816_MULAW; break; case AFMT_S16_LE: fmt = AD1816_S16LE; break; case AFMT_S16_BE: fmt = AD1816_S16BE; break; case AFMT_U8: fmt = AD1816_U8; break; } if (format & AFMT_STEREO) fmt |= AD1816_STEREO; io_wr(ad1816, reg, fmt); return format; } static int ad1816chan_setspeed(void *data, u_int32_t speed) { struct ad1816_chinfo *ch = data; struct ad1816_info *ad1816 = ch->parent; RANGE(speed, 4000, 55200); ad1816_write(ad1816, (ch->dir == PCMDIR_PLAY)? 2 : 3, speed); return speed; } static int ad1816chan_setblocksize(void *data, u_int32_t blocksize) { return blocksize; } static int ad1816chan_trigger(void *data, int go) { struct ad1816_chinfo *ch = data; struct ad1816_info *ad1816 = ch->parent; int wr, reg; if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD) return 0; buf_isadma(ch->buffer, go); wr = (ch->dir == PCMDIR_PLAY); reg = wr? AD1816_PLAY : AD1816_CAPT; switch (go) { case PCMTRIG_START: /* start only if not already running */ if (!(io_rd(ad1816, reg) & AD1816_ENABLE)) { int cnt = ((ch->buffer->dl) >> 2) - 1; ad1816_write(ad1816, wr? 8 : 10, cnt); /* count */ ad1816_write(ad1816, wr? 9 : 11, 0); /* reset cur cnt */ ad1816_write(ad1816, 1, ad1816_read(ad1816, 1) | (wr? 0x8000 : 0x4000)); /* enable int */ /* enable playback */ io_wr(ad1816, reg, io_rd(ad1816, reg) | AD1816_ENABLE); if (!(io_rd(ad1816, reg) & AD1816_ENABLE)) printf("ad1816: failed to start %s DMA!\n", wr? "play" : "rec"); } break; case PCMTRIG_STOP: case PCMTRIG_ABORT: /* XXX check this... */ /* we don't test here if it is running... */ if (wr) { ad1816_write(ad1816, 1, ad1816_read(ad1816, 1) & ~(wr? 0x8000 : 0x4000)); /* disable int */ io_wr(ad1816, reg, io_rd(ad1816, reg) & ~AD1816_ENABLE); /* disable playback */ if (io_rd(ad1816, reg) & AD1816_ENABLE) printf("ad1816: failed to stop %s DMA!\n", wr? "play" : "rec"); ad1816_write(ad1816, wr? 8 : 10, 0); /* reset base cnt */ ad1816_write(ad1816, wr? 9 : 11, 0); /* reset cur cnt */ } break; } return 0; } static int ad1816chan_getptr(void *data) { struct ad1816_chinfo *ch = data; return buf_isadmaptr(ch->buffer); } static pcmchan_caps * ad1816chan_getcaps(void *data) { return &ad1816_caps; } static void ad1816_release_resources(struct ad1816_info *ad1816, device_t dev) { if (ad1816->irq) { bus_release_resource(dev, SYS_RES_IRQ, ad1816->irq_rid, ad1816->irq); ad1816->irq = 0; } if (ad1816->drq1) { bus_release_resource(dev, SYS_RES_DRQ, ad1816->drq1_rid, ad1816->drq1); ad1816->drq1 = 0; } if (ad1816->drq2) { bus_release_resource(dev, SYS_RES_DRQ, ad1816->drq2_rid, ad1816->drq2); ad1816->drq2 = 0; } if (ad1816->io_base) { bus_release_resource(dev, SYS_RES_IOPORT, ad1816->io_rid, ad1816->io_base); ad1816->io_base = 0; } free(ad1816, M_DEVBUF); } static int ad1816_alloc_resources(struct ad1816_info *ad1816, device_t dev) { int ok = 1, pdma, rdma; if (!ad1816->io_base) ad1816->io_base = bus_alloc_resource(dev, SYS_RES_IOPORT, &ad1816->io_rid, 0, ~0, 1, RF_ACTIVE); if (!ad1816->irq) ad1816->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &ad1816->irq_rid, 0, ~0, 1, RF_ACTIVE); if (!ad1816->drq1) ad1816->drq1 = bus_alloc_resource(dev, SYS_RES_DRQ, &ad1816->drq1_rid, 0, ~0, 1, RF_ACTIVE); if (!ad1816->drq2) ad1816->drq2 = bus_alloc_resource(dev, SYS_RES_DRQ, &ad1816->drq2_rid, 0, ~0, 1, RF_ACTIVE); if (!ad1816->io_base || !ad1816->drq1 || !ad1816->irq) ok = 0; if (ok) { pdma = rman_get_start(ad1816->drq1); isa_dma_acquire(pdma); isa_dmainit(pdma, DSP_BUFFSIZE); if (ad1816->drq2) { rdma = rman_get_start(ad1816->drq2); isa_dma_acquire(rdma); isa_dmainit(rdma, DSP_BUFFSIZE); } else rdma = pdma; if (pdma == rdma) pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX); } return ok; } static int ad1816_init(struct ad1816_info *ad1816, device_t dev) { ad1816_write(ad1816, 1, 0x2); /* disable interrupts */ ad1816_write(ad1816, 32, 0x90F0); /* SoundSys Mode, split fmt */ ad1816_write(ad1816, 5, 0x8080); /* FM volume mute */ ad1816_write(ad1816, 6, 0x8080); /* I2S1 volume mute */ ad1816_write(ad1816, 7, 0x8080); /* I2S0 volume mute */ ad1816_write(ad1816, 17, 0x8888); /* VID Volume mute */ ad1816_write(ad1816, 20, 0x5050); /* recsrc mic, agc off */ /* adc gain is set to 0 */ return 0; } static int ad1816_probe(device_t dev) { char *s = NULL; u_int32_t logical_id = isa_get_logicalid(dev); switch (logical_id) { case 0x80719304: /* ADS7180 */ s = "AD1816"; break; } if (s) { device_set_desc(dev, s); return 0; } return ENXIO; } static int ad1816_attach(device_t dev) { struct ad1816_info *ad1816; snddev_info *d = device_get_softc(dev); void *ih; char status[SND_STATUSLEN]; ad1816 = (struct ad1816_info *)malloc(sizeof *ad1816, M_DEVBUF, M_NOWAIT); if (!ad1816) return ENXIO; bzero(ad1816, sizeof *ad1816); ad1816->io_rid = 2; ad1816->irq_rid = 0; ad1816->drq1_rid = 0; ad1816->drq2_rid = 1; if (!ad1816_alloc_resources(ad1816, dev)) goto no; ad1816_init(ad1816, dev); mixer_init(d, &ad1816_mixer, ad1816); bus_setup_intr(dev, ad1816->irq, INTR_TYPE_TTY, ad1816_intr, ad1816, &ih); if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0, /*lowaddr*/BUS_SPACE_MAXADDR_24BIT, /*highaddr*/BUS_SPACE_MAXADDR, /*filter*/NULL, /*filterarg*/NULL, /*maxsize*/DSP_BUFFSIZE, /*nsegments*/1, /*maxsegz*/0x3ffff, /*flags*/0, &ad1816->parent_dmat) != 0) { device_printf(dev, "unable to create dma tag\n"); goto no; } snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld drq %ld", rman_get_start(ad1816->io_base), rman_get_start(ad1816->irq), rman_get_start(ad1816->drq1)); if (ad1816->drq2) snprintf(status + strlen(status), SND_STATUSLEN - strlen(status), ":%ld", rman_get_start(ad1816->drq2)); if (pcm_register(dev, ad1816, 1, 1)) goto no; pcm_addchan(dev, PCMDIR_REC, &ad1816_chantemplate, ad1816); pcm_addchan(dev, PCMDIR_PLAY, &ad1816_chantemplate, ad1816); pcm_setstatus(dev, status); return 0; no: ad1816_release_resources(ad1816, dev); return ENXIO; } static device_method_t ad1816_methods[] = { /* Device interface */ DEVMETHOD(device_probe, ad1816_probe), DEVMETHOD(device_attach, ad1816_attach), { 0, 0 } }; static driver_t ad1816_driver = { "pcm", ad1816_methods, sizeof(snddev_info), }; DRIVER_MODULE(snd_ad1816, isa, ad1816_driver, pcm_devclass, 0, 0); MODULE_DEPEND(snd_ad1816, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER); MODULE_VERSION(snd_ad1816, 1);