/* * Copyright (c) 1999 Cameron Grant * * 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 #include #include #include #include "mixer_if.h" #define ESS_BUFFSIZE (16384) #define ABS(x) (((x) < 0)? -(x) : (x)) /* if defined, playback always uses the 2nd channel and full duplex works */ #undef ESS18XX_DUPLEX /* more accurate clocks and split audio1/audio2 rates */ #define ESS18XX_NEWSPEED static u_int32_t ess_playfmt[] = { AFMT_U8, AFMT_STEREO | AFMT_U8, AFMT_S8, AFMT_STEREO | AFMT_S8, AFMT_S16_LE, AFMT_STEREO | AFMT_S16_LE, AFMT_U16_LE, AFMT_STEREO | AFMT_U16_LE, 0 }; static struct pcmchan_caps ess_playcaps = {5000, 49000, ess_playfmt, 0}; /* * Recording output is byte-swapped */ static u_int32_t ess_recfmt[] = { AFMT_U8, AFMT_STEREO | AFMT_U8, AFMT_S8, AFMT_STEREO | AFMT_S8, AFMT_S16_BE, AFMT_STEREO | AFMT_S16_BE, AFMT_U16_BE, AFMT_STEREO | AFMT_U16_BE, 0 }; static struct pcmchan_caps ess_reccaps = {5000, 49000, ess_recfmt, 0}; struct ess_info; struct ess_chinfo { struct ess_info *parent; struct pcm_channel *channel; struct snd_dbuf *buffer; int dir, hwch, stopping; u_int32_t fmt, spd, blksz; }; struct ess_info { struct resource *io, *sb, *vc, *mpu, *gp; /* I/O address for the board */ struct resource *irq; void *ih; bus_dma_tag_t parent_dmat; int simplex_dir, type, duplex:1, newspeed:1, dmasz[2]; struct ess_chinfo pch, rch; }; static int ess_rd(struct ess_info *sc, int reg); static void ess_wr(struct ess_info *sc, int reg, u_int8_t val); static int ess_dspready(struct ess_info *sc); static int ess_cmd(struct ess_info *sc, u_char val); static int ess_cmd1(struct ess_info *sc, u_char cmd, int val); static int ess_get_byte(struct ess_info *sc); static void ess_setmixer(struct ess_info *sc, u_int port, u_int value); static int ess_getmixer(struct ess_info *sc, u_int port); static int ess_reset_dsp(struct ess_info *sc); static int ess_write(struct ess_info *sc, u_char reg, int val); static int ess_read(struct ess_info *sc, u_char reg); static void ess_intr(void *arg); static int ess_setupch(struct ess_info *sc, int ch, int dir, int spd, u_int32_t fmt, int len); static int ess_start(struct ess_chinfo *ch); static int ess_stop(struct ess_chinfo *ch); static int ess_dmasetup(struct ess_info *sc, int ch, u_int32_t base, u_int16_t cnt, int dir); static int ess_dmapos(struct ess_info *sc, int ch); static int ess_dmatrigger(struct ess_info *sc, int ch, int go); /* * Common code for the midi and pcm functions * * ess_cmd write a single byte to the CMD port. * ess_cmd1 write a CMD + 1 byte arg * ess_cmd2 write a CMD + 2 byte arg * ess_get_byte returns a single byte from the DSP data port * * ess_write is actually ess_cmd1 * ess_read access ext. regs via ess_cmd(0xc0, reg) followed by ess_get_byte */ static int port_rd(struct resource *port, int regno, int size) { bus_space_tag_t st = rman_get_bustag(port); bus_space_handle_t sh = rman_get_bushandle(port); switch (size) { case 1: return bus_space_read_1(st, sh, regno); case 2: return bus_space_read_2(st, sh, regno); case 4: return bus_space_read_4(st, sh, regno); default: return 0xffffffff; } } static void port_wr(struct resource *port, int regno, u_int32_t data, int size) { bus_space_tag_t st = rman_get_bustag(port); bus_space_handle_t sh = rman_get_bushandle(port); switch (size) { case 1: bus_space_write_1(st, sh, regno, data); break; case 2: bus_space_write_2(st, sh, regno, data); break; case 4: bus_space_write_4(st, sh, regno, data); break; } } static int ess_rd(struct ess_info *sc, int reg) { return port_rd(sc->sb, reg, 1); } static void ess_wr(struct ess_info *sc, int reg, u_int8_t val) { port_wr(sc->sb, reg, val, 1); } static int ess_dspready(struct ess_info *sc) { return ((ess_rd(sc, SBDSP_STATUS) & 0x80) == 0); } static int ess_dspwr(struct ess_info *sc, u_char val) { int i; for (i = 0; i < 1000; i++) { if (ess_dspready(sc)) { ess_wr(sc, SBDSP_CMD, val); return 1; } if (i > 10) DELAY((i > 100)? 1000 : 10); } printf("ess_dspwr(0x%02x) timed out.\n", val); return 0; } static int ess_cmd(struct ess_info *sc, u_char val) { DEB(printf("ess_cmd: %x\n", val)); return ess_dspwr(sc, val); } static int ess_cmd1(struct ess_info *sc, u_char cmd, int val) { DEB(printf("ess_cmd1: %x, %x\n", cmd, val)); if (ess_dspwr(sc, cmd)) { return ess_dspwr(sc, val & 0xff); } else return 0; } static void ess_setmixer(struct ess_info *sc, u_int port, u_int value) { u_long flags; DEB(printf("ess_setmixer: reg=%x, val=%x\n", port, value);) flags = spltty(); ess_wr(sc, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */ DELAY(10); ess_wr(sc, SB_MIX_DATA, (u_char) (value & 0xff)); DELAY(10); splx(flags); } static int ess_getmixer(struct ess_info *sc, u_int port) { int val; u_long flags; flags = spltty(); ess_wr(sc, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */ DELAY(10); val = ess_rd(sc, SB_MIX_DATA); DELAY(10); splx(flags); return val; } static int ess_get_byte(struct ess_info *sc) { int i; for (i = 1000; i > 0; i--) { if (ess_rd(sc, 0xc) & 0x40) return ess_rd(sc, DSP_READ); else DELAY(20); } return -1; } static int ess_write(struct ess_info *sc, u_char reg, int val) { return ess_cmd1(sc, reg, val); } static int ess_read(struct ess_info *sc, u_char reg) { return (ess_cmd(sc, 0xc0) && ess_cmd(sc, reg))? ess_get_byte(sc) : -1; } static int ess_reset_dsp(struct ess_info *sc) { DEB(printf("ess_reset_dsp\n")); ess_wr(sc, SBDSP_RST, 3); DELAY(100); ess_wr(sc, SBDSP_RST, 0); if (ess_get_byte(sc) != 0xAA) { DEB(printf("ess_reset_dsp failed\n")); /* rman_get_start(d->io_base))); */ return ENXIO; /* Sorry */ } ess_cmd(sc, 0xc6); return 0; } static void ess_intr(void *arg) { struct ess_info *sc = (struct ess_info *)arg; int src, pirq = 0, rirq = 0; src = 0; if (ess_getmixer(sc, 0x7a) & 0x80) src |= 2; if (ess_rd(sc, 0x0c) & 0x01) src |= 1; if (src == 0) return; if (sc->duplex) { pirq = (src & sc->pch.hwch)? 1 : 0; rirq = (src & sc->rch.hwch)? 1 : 0; } else { if (sc->simplex_dir == PCMDIR_PLAY) pirq = 1; if (sc->simplex_dir == PCMDIR_REC) rirq = 1; if (!pirq && !rirq) printf("solo: IRQ neither playback nor rec!\n"); } DEB(printf("ess_intr: pirq:%d rirq:%d\n",pirq,rirq)); if (pirq) { if (sc->pch.stopping) { ess_dmatrigger(sc, sc->pch.hwch, 0); sc->pch.stopping = 0; if (sc->pch.hwch == 1) ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x01); else ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) & ~0x03); } chn_intr(sc->pch.channel); } if (rirq) { if (sc->rch.stopping) { ess_dmatrigger(sc, sc->rch.hwch, 0); sc->rch.stopping = 0; /* XXX: will this stop audio2? */ ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x01); } chn_intr(sc->rch.channel); } if (src & 2) ess_setmixer(sc, 0x7a, ess_getmixer(sc, 0x7a) & ~0x80); if (src & 1) ess_rd(sc, DSP_DATA_AVAIL); } /* utility functions for ESS */ static u_int8_t ess_calcspeed8(int *spd) { int speed = *spd; u_int32_t t; if (speed > 22000) { t = (795500 + speed / 2) / speed; speed = (795500 + t / 2) / t; t = (256 - t) | 0x80; } else { t = (397700 + speed / 2) / speed; speed = (397700 + t / 2) / t; t = 128 - t; } *spd = speed; return t & 0x000000ff; } static u_int8_t ess_calcspeed9(int *spd) { int speed, s0, s1, use0; u_int8_t t0, t1; /* rate = source / (256 - divisor) */ /* divisor = 256 - (source / rate) */ speed = *spd; t0 = 128 - (793800 / speed); s0 = 793800 / (128 - t0); t1 = 128 - (768000 / speed); s1 = 768000 / (128 - t1); t1 |= 0x80; use0 = (ABS(speed - s0) < ABS(speed - s1))? 1 : 0; *spd = use0? s0 : s1; return use0? t0 : t1; } static u_int8_t ess_calcfilter(int spd) { int cutoff; /* cutoff = 7160000 / (256 - divisor) */ /* divisor = 256 - (7160000 / cutoff) */ cutoff = (spd * 9 * 82) / 20; return (256 - (7160000 / cutoff)); } static int ess_setupch(struct ess_info *sc, int ch, int dir, int spd, u_int32_t fmt, int len) { int play = (dir == PCMDIR_PLAY)? 1 : 0; int b16 = (fmt & AFMT_16BIT)? 1 : 0; int stereo = (fmt & AFMT_STEREO)? 1 : 0; int unsign = (fmt == AFMT_U8 || fmt == AFMT_U16_LE || fmt == AFMT_U16_BE)? 1 : 0; u_int8_t spdval, fmtval; DEB(printf("ess_setupch\n")); spdval = (sc->newspeed)? ess_calcspeed9(&spd) : ess_calcspeed8(&spd); sc->simplex_dir = play ? PCMDIR_PLAY : PCMDIR_REC ; if (ch == 1) { KASSERT((dir == PCMDIR_PLAY) || (dir == PCMDIR_REC), ("ess_setupch: dir1 bad")); len = -len; /* transfer length low */ ess_write(sc, 0xa4, len & 0x00ff); /* transfer length high */ ess_write(sc, 0xa5, (len & 0xff00) >> 8); /* autoinit, dma dir */ ess_write(sc, 0xb8, 0x04 | (play? 0x00 : 0x0a)); /* mono/stereo */ ess_write(sc, 0xa8, (ess_read(sc, 0xa8) & ~0x03) | (stereo? 0x01 : 0x02)); /* demand mode, 4 bytes/xfer */ ess_write(sc, 0xb9, 0x02); /* sample rate */ ess_write(sc, 0xa1, spdval); /* filter cutoff */ ess_write(sc, 0xa2, ess_calcfilter(spd)); /* setup dac/adc */ /* if (play) ess_write(sc, 0xb6, unsign? 0x80 : 0x00); */ /* mono, b16: signed, load signal */ /* ess_write(sc, 0xb7, 0x51 | (unsign? 0x00 : 0x20)); */ /* setup fifo */ ess_write(sc, 0xb7, 0x91 | (unsign? 0x00 : 0x20) | (b16? 0x04 : 0x00) | (stereo? 0x08 : 0x40)); /* irq control */ ess_write(sc, 0xb1, (ess_read(sc, 0xb1) & 0x0f) | 0x50); /* drq control */ ess_write(sc, 0xb2, (ess_read(sc, 0xb2) & 0x0f) | 0x50); } else if (ch == 2) { KASSERT(dir == PCMDIR_PLAY, ("ess_setupch: dir2 bad")); len >>= 1; len = -len; /* transfer length low */ ess_setmixer(sc, 0x74, len & 0x00ff); /* transfer length high */ ess_setmixer(sc, 0x76, (len & 0xff00) >> 8); /* autoinit, 4 bytes/req */ ess_setmixer(sc, 0x78, 0x10); fmtval = b16 | (stereo << 1) | ((!unsign) << 2); /* enable irq, set format */ ess_setmixer(sc, 0x7a, 0x40 | fmtval); if (sc->newspeed) { /* sample rate */ ess_setmixer(sc, 0x70, spdval); /* filter cutoff */ ess_setmixer(sc, 0x72, ess_calcfilter(spd)); } } return 0; } static int ess_start(struct ess_chinfo *ch) { struct ess_info *sc = ch->parent; DEB(printf("ess_start\n");); ess_setupch(sc, ch->hwch, ch->dir, ch->spd, ch->fmt, ch->blksz); ch->stopping = 0; if (ch->hwch == 1) { ess_write(sc, 0xb8, ess_read(sc, 0xb8) | 0x01); if (ch->dir == PCMDIR_PLAY) { #if 0 DELAY(100000); /* 100 ms */ #endif ess_cmd(sc, 0xd1); } } else ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) | 0x03); return 0; } static int ess_stop(struct ess_chinfo *ch) { struct ess_info *sc = ch->parent; DEB(printf("ess_stop\n")); ch->stopping = 1; if (ch->hwch == 1) ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x04); else ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) & ~0x10); DEB(printf("done with stop\n")); return 0; } /* -------------------------------------------------------------------- */ /* channel interface for ESS18xx */ static void * esschan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir) { struct ess_info *sc = devinfo; struct ess_chinfo *ch = (dir == PCMDIR_PLAY)? &sc->pch : &sc->rch; DEB(printf("esschan_init\n")); ch->parent = sc; ch->channel = c; ch->buffer = b; ch->dir = dir; if (sndbuf_alloc(ch->buffer, sc->parent_dmat, ESS_BUFFSIZE) == -1) return NULL; ch->hwch = 1; if ((dir == PCMDIR_PLAY) && (sc->duplex)) ch->hwch = 2; return ch; } static int esschan_setformat(kobj_t obj, void *data, u_int32_t format) { struct ess_chinfo *ch = data; ch->fmt = format; return 0; } static int esschan_setspeed(kobj_t obj, void *data, u_int32_t speed) { struct ess_chinfo *ch = data; struct ess_info *sc = ch->parent; ch->spd = speed; if (sc->newspeed) ess_calcspeed9(&ch->spd); else ess_calcspeed8(&ch->spd); return ch->spd; } static int esschan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize) { struct ess_chinfo *ch = data; ch->blksz = blocksize; return ch->blksz; } static int esschan_trigger(kobj_t obj, void *data, int go) { struct ess_chinfo *ch = data; struct ess_info *sc = ch->parent; DEB(printf("esschan_trigger: %d\n",go)); if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD) return 0; switch (go) { case PCMTRIG_START: ess_dmasetup(sc, ch->hwch, vtophys(sndbuf_getbuf(ch->buffer)), sndbuf_getsize(ch->buffer), ch->dir); ess_dmatrigger(sc, ch->hwch, 1); ess_start(ch); break; case PCMTRIG_STOP: case PCMTRIG_ABORT: default: ess_stop(ch); break; } return 0; } static int esschan_getptr(kobj_t obj, void *data) { struct ess_chinfo *ch = data; struct ess_info *sc = ch->parent; return ess_dmapos(sc, ch->hwch); } static struct pcmchan_caps * esschan_getcaps(kobj_t obj, void *data) { struct ess_chinfo *ch = data; return (ch->dir == PCMDIR_PLAY)? &ess_playcaps : &ess_reccaps; } static kobj_method_t esschan_methods[] = { KOBJMETHOD(channel_init, esschan_init), KOBJMETHOD(channel_setformat, esschan_setformat), KOBJMETHOD(channel_setspeed, esschan_setspeed), KOBJMETHOD(channel_setblocksize, esschan_setblocksize), KOBJMETHOD(channel_trigger, esschan_trigger), KOBJMETHOD(channel_getptr, esschan_getptr), KOBJMETHOD(channel_getcaps, esschan_getcaps), { 0, 0 } }; CHANNEL_DECLARE(esschan); /************************************************************/ static int essmix_init(struct snd_mixer *m) { struct ess_info *sc = mix_getdevinfo(m); mix_setrecdevs(m, SOUND_MASK_CD | SOUND_MASK_MIC | SOUND_MASK_LINE | SOUND_MASK_IMIX); mix_setdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD | SOUND_MASK_VOLUME | SOUND_MASK_LINE1); ess_setmixer(sc, 0, 0); /* reset */ return 0; } static int essmix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right) { struct ess_info *sc = mix_getdevinfo(m); int preg = 0, rreg = 0, l, r; l = (left * 15) / 100; r = (right * 15) / 100; switch (dev) { case SOUND_MIXER_SYNTH: preg = 0x36; rreg = 0x6b; break; case SOUND_MIXER_PCM: preg = 0x14; rreg = 0x7c; break; case SOUND_MIXER_LINE: preg = 0x3e; rreg = 0x6e; break; case SOUND_MIXER_MIC: preg = 0x1a; rreg = 0x68; break; case SOUND_MIXER_LINE1: preg = 0x3a; rreg = 0x6c; break; case SOUND_MIXER_CD: preg = 0x38; rreg = 0x6a; break; case SOUND_MIXER_VOLUME: l = left? (left * 63) / 100 : 64; r = right? (right * 63) / 100 : 64; ess_setmixer(sc, 0x60, l); ess_setmixer(sc, 0x62, r); left = (l == 64)? 0 : (l * 100) / 63; right = (r == 64)? 0 : (r * 100) / 63; return left | (right << 8); } if (preg) ess_setmixer(sc, preg, (l << 4) | r); if (rreg) ess_setmixer(sc, rreg, (l << 4) | r); left = (l * 100) / 15; right = (r * 100) / 15; return left | (right << 8); } static int essmix_setrecsrc(struct snd_mixer *m, u_int32_t src) { struct ess_info *sc = mix_getdevinfo(m); u_char recdev; switch (src) { case SOUND_MASK_CD: recdev = 0x02; break; case SOUND_MASK_LINE: recdev = 0x06; break; case SOUND_MASK_IMIX: recdev = 0x05; break; case SOUND_MASK_MIC: default: recdev = 0x00; src = SOUND_MASK_MIC; break; } ess_setmixer(sc, 0x1c, recdev); return src; } static kobj_method_t solomixer_methods[] = { KOBJMETHOD(mixer_init, essmix_init), KOBJMETHOD(mixer_set, essmix_set), KOBJMETHOD(mixer_setrecsrc, essmix_setrecsrc), { 0, 0 } }; MIXER_DECLARE(solomixer); /************************************************************/ static int ess_dmasetup(struct ess_info *sc, int ch, u_int32_t base, u_int16_t cnt, int dir) { KASSERT(ch == 1 || ch == 2, ("bad ch")); sc->dmasz[ch - 1] = cnt; if (ch == 1) { port_wr(sc->vc, 0x8, 0xc4, 1); /* command */ port_wr(sc->vc, 0xd, 0xff, 1); /* reset */ port_wr(sc->vc, 0xf, 0x01, 1); /* mask */ port_wr(sc->vc, 0xb, dir == PCMDIR_PLAY? 0x58 : 0x54, 1); /* mode */ port_wr(sc->vc, 0x0, base, 4); port_wr(sc->vc, 0x4, cnt - 1, 2); } else if (ch == 2) { port_wr(sc->io, 0x6, 0x08, 1); /* autoinit */ port_wr(sc->io, 0x0, base, 4); port_wr(sc->io, 0x4, cnt, 2); } return 0; } static int ess_dmapos(struct ess_info *sc, int ch) { int p = 0, i = 0, j = 0; u_long flags; KASSERT(ch == 1 || ch == 2, ("bad ch")); flags = spltty(); if (ch == 1) { /* * During recording, this register is known to give back * garbage if it's not quiescent while being read. That's * why we spl, stop the DMA, and try over and over until * adjacent reads are "close", in the right order and not * bigger than is otherwise possible. */ ess_dmatrigger(sc, ch, 0); DELAY(20); do { DELAY(10); if (j > 1) printf("DMA count reg bogus: %04x & %04x\n", i, p); i = port_rd(sc->vc, 0x4, 2) + 1; p = port_rd(sc->vc, 0x4, 2) + 1; } while ((p > sc->dmasz[ch - 1] || i < p || (p - i) > 0x8) && j++ < 1000); ess_dmatrigger(sc, ch, 1); } else if (ch == 2) p = port_rd(sc->io, 0x4, 2); splx(flags); return sc->dmasz[ch - 1] - p; } static int ess_dmatrigger(struct ess_info *sc, int ch, int go) { KASSERT(ch == 1 || ch == 2, ("bad ch")); if (ch == 1) port_wr(sc->vc, 0xf, go? 0x00 : 0x01, 1); /* mask */ else if (ch == 2) port_wr(sc->io, 0x6, 0x08 | (go? 0x02 : 0x00), 1); /* autoinit */ return 0; } static void ess_release_resources(struct ess_info *sc, device_t dev) { /* should we bus_teardown_intr here? */ if (sc->irq) { if (sc->ih) bus_teardown_intr(dev, sc->irq, sc->ih); bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq); sc->irq = 0; } if (sc->io) { bus_release_resource(dev, SYS_RES_IOPORT, 0 * 4 + PCIR_MAPS, sc->io); sc->io = 0; } if (sc->sb) { bus_release_resource(dev, SYS_RES_IOPORT, 1 * 4 + PCIR_MAPS, sc->sb); sc->sb = 0; } if (sc->vc) { bus_release_resource(dev, SYS_RES_IOPORT, 2 * 4 + PCIR_MAPS, sc->vc); sc->vc = 0; } if (sc->mpu) { bus_release_resource(dev, SYS_RES_IOPORT, 3 * 4 + PCIR_MAPS, sc->mpu); sc->mpu = 0; } if (sc->gp) { bus_release_resource(dev, SYS_RES_IOPORT, 4 * 4 + PCIR_MAPS, sc->gp); sc->gp = 0; } if (sc->parent_dmat) { bus_dma_tag_destroy(sc->parent_dmat); sc->parent_dmat = 0; } free(sc, M_DEVBUF); } static int ess_alloc_resources(struct ess_info *sc, device_t dev) { int rid; rid = 0 * 4 + PCIR_MAPS; sc->io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE); rid = 1 * 4 + PCIR_MAPS; sc->sb = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE); rid = 2 * 4 + PCIR_MAPS; sc->vc = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE); rid = 3 * 4 + PCIR_MAPS; sc->mpu = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE); rid = 4 * 4 + PCIR_MAPS; sc->gp = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE); rid = 0; sc->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE); return (sc->irq && sc->io && sc->sb && sc->vc && sc->mpu && sc->gp)? 0 : ENXIO; } static int ess_probe(device_t dev) { char *s = NULL; u_int32_t subdev; subdev = (pci_get_subdevice(dev) << 16) | pci_get_subvendor(dev); switch (pci_get_devid(dev)) { case 0x1969125d: if (subdev == 0x8888125d) s = "ESS Solo-1E"; else if (subdev == 0x1818125d) s = "ESS Solo-1"; else s = "ESS Solo-1 (unknown vendor)"; break; } if (s) device_set_desc(dev, s); return s? 0 : ENXIO; } #define PCI_LEGACYCONTROL 0x40 #define PCI_CONFIG 0x50 #define PCI_DDMACONTROL 0x60 static int ess_attach(device_t dev) { struct ess_info *sc; char status[SND_STATUSLEN]; u_int16_t ddma; u_int32_t data; sc = (struct ess_info *)malloc(sizeof *sc, M_DEVBUF, M_NOWAIT | M_ZERO); if (!sc) return ENXIO; data = pci_read_config(dev, PCIR_COMMAND, 2); data |= PCIM_CMD_PORTEN | PCIM_CMD_BUSMASTEREN; pci_write_config(dev, PCIR_COMMAND, data, 2); data = pci_read_config(dev, PCIR_COMMAND, 2); if (ess_alloc_resources(sc, dev)) goto no; ddma = rman_get_start(sc->vc) | 1; pci_write_config(dev, PCI_LEGACYCONTROL, 0x805f, 2); pci_write_config(dev, PCI_DDMACONTROL, ddma, 2); pci_write_config(dev, PCI_CONFIG, 0, 2); if (ess_reset_dsp(sc)) goto no; if (mixer_init(dev, &solomixer_class, sc)) goto no; port_wr(sc->io, 0x7, 0xb0, 1); /* enable irqs */ #ifdef ESS18XX_DUPLEX sc->duplex = 1; #else sc->duplex = 0; #endif #ifdef ESS18XX_NEWSPEED sc->newspeed = 1; #else sc->newspeed = 0; #endif if (sc->newspeed) ess_setmixer(sc, 0x71, 0x2a); snd_setup_intr(dev, sc->irq, 0, ess_intr, sc, &sc->ih); if (!sc->duplex) pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX); if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/65536, /*boundary*/0, /*lowaddr*/BUS_SPACE_MAXADDR_24BIT, /*highaddr*/BUS_SPACE_MAXADDR, /*filter*/NULL, /*filterarg*/NULL, /*maxsize*/ESS_BUFFSIZE, /*nsegments*/1, /*maxsegz*/0x3ffff, /*flags*/0, &sc->parent_dmat) != 0) { device_printf(dev, "unable to create dma tag\n"); goto no; } snprintf(status, SND_STATUSLEN, "at io 0x%lx,0x%lx,0x%lx irq %ld", rman_get_start(sc->io), rman_get_start(sc->sb), rman_get_start(sc->vc), rman_get_start(sc->irq)); if (pcm_register(dev, sc, 1, 1)) goto no; pcm_addchan(dev, PCMDIR_REC, &esschan_class, sc); pcm_addchan(dev, PCMDIR_PLAY, &esschan_class, sc); pcm_setstatus(dev, status); return 0; no: ess_release_resources(sc, dev); return ENXIO; } static int ess_detach(device_t dev) { int r; struct ess_info *sc; r = pcm_unregister(dev); if (r) return r; sc = pcm_getdevinfo(dev); ess_release_resources(sc, dev); return 0; } static device_method_t ess_methods[] = { /* Device interface */ DEVMETHOD(device_probe, ess_probe), DEVMETHOD(device_attach, ess_attach), DEVMETHOD(device_detach, ess_detach), DEVMETHOD(device_resume, bus_generic_resume), DEVMETHOD(device_suspend, bus_generic_suspend), { 0, 0 } }; static driver_t ess_driver = { "pcm", ess_methods, sizeof(struct snddev_info), }; DRIVER_MODULE(snd_solo, pci, ess_driver, pcm_devclass, 0, 0); MODULE_DEPEND(snd_solo, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER); MODULE_VERSION(snd_solo, 1);