/*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright (c) 1999 Cameron Grant * Copyright (c) 2003-2007 Yuriy Tsibizov * 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, WHETHERIN 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. */ #include #include #include #include #include #include #include #include #include #include #include #ifdef HAVE_KERNEL_OPTION_HEADERS #include "opt_snd.h" #endif #include #include #include #include "mixer_if.h" #include #include struct emu_pcm_pchinfo { int spd; int fmt; unsigned int blksz; int run; struct emu_voice *master; struct emu_voice *slave; struct snd_dbuf *buffer; struct pcm_channel *channel; struct emu_pcm_info *pcm; int timer; }; struct emu_pcm_rchinfo { int spd; int fmt; unsigned int blksz; int run; uint32_t idxreg; uint32_t basereg; uint32_t sizereg; uint32_t setupreg; uint32_t irqmask; uint32_t iprmask; int ihandle; struct snd_dbuf *buffer; struct pcm_channel *channel; struct emu_pcm_info *pcm; int timer; }; /* XXX Hardware playback channels */ #define MAX_CHANNELS 4 #if MAX_CHANNELS > 13 #error Too many hardware channels defined. 13 is the maximum #endif struct emu_pcm_info { struct mtx *lock; device_t dev; /* device information */ struct emu_sc_info *card; struct emu_pcm_pchinfo pch[MAX_CHANNELS]; /* hardware channels */ int pnum; /* next free channel number */ struct emu_pcm_rchinfo rch_adc; struct emu_pcm_rchinfo rch_efx; struct emu_route rt; struct emu_route rt_mono; int route; int ihandle; /* interrupt handler */ unsigned int bufsz; int is_emu10k1; struct ac97_info *codec; uint32_t ac97_state[0x7F]; kobj_class_t ac97_mixerclass; uint32_t ac97_recdevs; uint32_t ac97_playdevs; struct snd_mixer *sm; int mch_disabled; unsigned int emu10k1_volcache[2][2]; }; static uint32_t emu_rfmt_adc[] = { SND_FORMAT(AFMT_S16_LE, 1, 0), SND_FORMAT(AFMT_S16_LE, 2, 0), 0 }; static struct pcmchan_caps emu_reccaps_adc = { 8000, 48000, emu_rfmt_adc, 0 }; static uint32_t emu_rfmt_efx[] = { SND_FORMAT(AFMT_S16_LE, 1, 0), 0 }; static struct pcmchan_caps emu_reccaps_efx_live = { 48000*32, 48000*32, emu_rfmt_efx, 0 }; static struct pcmchan_caps emu_reccaps_efx_audigy = { 48000*64, 48000*64, emu_rfmt_efx, 0 }; static int emu_rates_live[] = { 48000*32 }; static int emu_rates_audigy[] = { 48000*64 }; static uint32_t emu_pfmt[] = { SND_FORMAT(AFMT_U8, 1, 0), SND_FORMAT(AFMT_U8, 2, 0), SND_FORMAT(AFMT_S16_LE, 1, 0), SND_FORMAT(AFMT_S16_LE, 2, 0), 0 }; static uint32_t emu_pfmt_mono[] = { SND_FORMAT(AFMT_U8, 1, 0), SND_FORMAT(AFMT_S16_LE, 1, 0), 0 }; static struct pcmchan_caps emu_playcaps = {4000, 48000, emu_pfmt, 0}; static struct pcmchan_caps emu_playcaps_mono = {4000, 48000, emu_pfmt_mono, 0}; static int emu10k1_adcspeed[8] = {48000, 44100, 32000, 24000, 22050, 16000, 11025, 8000}; /* audigy supports 12kHz. */ static int emu10k2_adcspeed[9] = {48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000}; static uint32_t emu_pcm_intr(void *pcm, uint32_t stat); static const struct emu_dspmix_props_k1 { uint8_t present; uint8_t recdev; int8_t input; } dspmix_k1 [SOUND_MIXER_NRDEVICES] = { /* no mixer device for ac97 */ /* in0 AC97 */ [SOUND_MIXER_DIGITAL1] = {1, 1, 1}, /* in1 CD SPDIF */ /* not connected */ /* in2 (zoom) */ [SOUND_MIXER_DIGITAL2] = {1, 1, 3}, /* in3 toslink */ [SOUND_MIXER_LINE2] = {1, 1, 4}, /* in4 Line-In2 */ [SOUND_MIXER_DIGITAL3] = {1, 1, 5}, /* in5 on-card SPDIF */ [SOUND_MIXER_LINE3] = {1, 1, 6}, /* in6 AUX2 */ /* not connected */ /* in7 */ }; static const struct emu_dspmix_props_k2 { uint8_t present; uint8_t recdev; int8_t input; } dspmix_k2 [SOUND_MIXER_NRDEVICES] = { [SOUND_MIXER_VOLUME] = {1, 0, (-1)}, [SOUND_MIXER_PCM] = {1, 0, (-1)}, /* no mixer device */ /* in0 AC97 */ [SOUND_MIXER_DIGITAL1] = {1, 1, 1}, /* in1 CD SPDIF */ [SOUND_MIXER_DIGITAL2] = {1, 1, 2}, /* in2 COAX SPDIF */ /* not connected */ /* in3 */ [SOUND_MIXER_LINE2] = {1, 1, 4}, /* in4 Line-In2 */ [SOUND_MIXER_DIGITAL3] = {1, 1, 5}, /* in5 on-card SPDIF */ [SOUND_MIXER_LINE3] = {1, 1, 6}, /* in6 AUX2 */ /* not connected */ /* in7 */ }; static int emu_dspmixer_init(struct snd_mixer *m) { struct emu_pcm_info *sc; int i; int p, r; p = 0; r = 0; sc = mix_getdevinfo(m); if (sc->route == RT_FRONT) { /* create submixer for AC97 codec */ if ((sc->ac97_mixerclass != NULL) && (sc->codec != NULL)) { sc->sm = mixer_create(sc->dev, sc->ac97_mixerclass, sc->codec, "ac97"); if (sc->sm != NULL) { p = mix_getdevs(sc->sm); r = mix_getrecdevs(sc->sm); } } sc->ac97_playdevs = p; sc->ac97_recdevs = r; } /* This two are always here */ p |= (1 << SOUND_MIXER_PCM); p |= (1 << SOUND_MIXER_VOLUME); if (sc->route == RT_FRONT) { if (sc->is_emu10k1) { for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) { if (dspmix_k1[i].present) p |= (1 << i); if (dspmix_k1[i].recdev) r |= (1 << i); } } else { for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) { if (dspmix_k2[i].present) p |= (1 << i); if (dspmix_k2[i].recdev) r |= (1 << i); } } } mix_setdevs(m, p); mix_setrecdevs(m, r); return (0); } static int emu_dspmixer_uninit(struct snd_mixer *m) { struct emu_pcm_info *sc; int err = 0; /* drop submixer for AC97 codec */ sc = mix_getdevinfo(m); if (sc->sm != NULL) { err = mixer_delete(sc->sm); if (err) return (err); sc->sm = NULL; } return (0); } static int emu_dspmixer_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right) { struct emu_pcm_info *sc; sc = mix_getdevinfo(m); switch (dev) { case SOUND_MIXER_VOLUME: switch (sc->route) { case RT_FRONT: if (sc->sm != NULL) mix_set(sc->sm, dev, left, right); if (sc->mch_disabled) { /* In emu10k1 case PCM volume does not affect sound routed to rear & center/sub (it is connected to AC97 codec). Calculate it manually. */ /* This really should belong to emu10kx.c */ if (sc->is_emu10k1) { sc->emu10k1_volcache[0][0] = left; left = left * sc->emu10k1_volcache[1][0] / 100; sc->emu10k1_volcache[0][1] = right; right = right * sc->emu10k1_volcache[1][1] / 100; } emumix_set_volume(sc->card, M_MASTER_REAR_L, left); emumix_set_volume(sc->card, M_MASTER_REAR_R, right); if (!sc->is_emu10k1) { emumix_set_volume(sc->card, M_MASTER_CENTER, (left+right)/2); emumix_set_volume(sc->card, M_MASTER_SUBWOOFER, (left+right)/2); /* XXX side */ } } /* mch disabled */ break; case RT_REAR: emumix_set_volume(sc->card, M_MASTER_REAR_L, left); emumix_set_volume(sc->card, M_MASTER_REAR_R, right); break; case RT_CENTER: emumix_set_volume(sc->card, M_MASTER_CENTER, (left+right)/2); break; case RT_SUB: emumix_set_volume(sc->card, M_MASTER_SUBWOOFER, (left+right)/2); break; } break; case SOUND_MIXER_PCM: switch (sc->route) { case RT_FRONT: if (sc->sm != NULL) mix_set(sc->sm, dev, left, right); if (sc->mch_disabled) { /* See SOUND_MIXER_VOLUME case */ if (sc->is_emu10k1) { sc->emu10k1_volcache[1][0] = left; left = left * sc->emu10k1_volcache[0][0] / 100; sc->emu10k1_volcache[1][1] = right; right = right * sc->emu10k1_volcache[0][1] / 100; } emumix_set_volume(sc->card, M_MASTER_REAR_L, left); emumix_set_volume(sc->card, M_MASTER_REAR_R, right); if (!sc->is_emu10k1) { emumix_set_volume(sc->card, M_MASTER_CENTER, (left+right)/2); emumix_set_volume(sc->card, M_MASTER_SUBWOOFER, (left+right)/2); /* XXX side */ } } /* mch_disabled */ break; case RT_REAR: emumix_set_volume(sc->card, M_FX2_REAR_L, left); emumix_set_volume(sc->card, M_FX3_REAR_R, right); break; case RT_CENTER: emumix_set_volume(sc->card, M_FX4_CENTER, (left+right)/2); break; case RT_SUB: emumix_set_volume(sc->card, M_FX5_SUBWOOFER, (left+right)/2); break; } break; case SOUND_MIXER_DIGITAL1: /* CD SPDIF, in1 */ emumix_set_volume(sc->card, M_IN1_FRONT_L, left); emumix_set_volume(sc->card, M_IN1_FRONT_R, right); break; case SOUND_MIXER_DIGITAL2: if (sc->is_emu10k1) { /* TOSLink, in3 */ emumix_set_volume(sc->card, M_IN3_FRONT_L, left); emumix_set_volume(sc->card, M_IN3_FRONT_R, right); } else { /* COAX SPDIF, in2 */ emumix_set_volume(sc->card, M_IN2_FRONT_L, left); emumix_set_volume(sc->card, M_IN2_FRONT_R, right); } break; case SOUND_MIXER_LINE2: /* Line-In2, in4 */ emumix_set_volume(sc->card, M_IN4_FRONT_L, left); emumix_set_volume(sc->card, M_IN4_FRONT_R, right); break; case SOUND_MIXER_DIGITAL3: /* on-card SPDIF, in5 */ emumix_set_volume(sc->card, M_IN5_FRONT_L, left); emumix_set_volume(sc->card, M_IN5_FRONT_R, right); break; case SOUND_MIXER_LINE3: /* AUX2, in6 */ emumix_set_volume(sc->card, M_IN6_FRONT_L, left); emumix_set_volume(sc->card, M_IN6_FRONT_R, right); break; default: if (sc->sm != NULL) { /* XXX emumix_set_volume is not required here */ emumix_set_volume(sc->card, M_IN0_FRONT_L, 100); emumix_set_volume(sc->card, M_IN0_FRONT_R, 100); mix_set(sc->sm, dev, left, right); } else device_printf(sc->dev, "mixer error: unknown device %d\n", dev); } return (0); } static u_int32_t emu_dspmixer_setrecsrc(struct snd_mixer *m, u_int32_t src) { struct emu_pcm_info *sc; int i; u_int32_t recmask; int input[8]; sc = mix_getdevinfo(m); recmask = 0; for (i=0; i < 8; i++) input[i]=0; if (sc->sm != NULL) if ((src & sc->ac97_recdevs) !=0) if (mix_setrecsrc(sc->sm, src & sc->ac97_recdevs) == 0) { recmask |= (src & sc->ac97_recdevs); /* Recording from AC97 codec. Enable AC97 route to rec on DSP */ input[0] = 1; } if (sc->is_emu10k1) { for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) { if (dspmix_k1[i].recdev) if ((src & (1 << i)) == ((uint32_t)1 << i)) { recmask |= (1 << i); /* enable device i */ input[dspmix_k1[i].input] = 1; } } } else { for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) { if (dspmix_k2[i].recdev) if ((src & (1 << i)) == ((uint32_t)1 << i)) { recmask |= (1 << i); /* enable device i */ input[dspmix_k2[i].input] = 1; } } } emumix_set_volume(sc->card, M_IN0_REC_L, input[0] == 1 ? 100 : 0); emumix_set_volume(sc->card, M_IN0_REC_R, input[0] == 1 ? 100 : 0); emumix_set_volume(sc->card, M_IN1_REC_L, input[1] == 1 ? 100 : 0); emumix_set_volume(sc->card, M_IN1_REC_R, input[1] == 1 ? 100 : 0); if (!sc->is_emu10k1) { emumix_set_volume(sc->card, M_IN2_REC_L, input[2] == 1 ? 100 : 0); emumix_set_volume(sc->card, M_IN2_REC_R, input[2] == 1 ? 100 : 0); } if (sc->is_emu10k1) { emumix_set_volume(sc->card, M_IN3_REC_L, input[3] == 1 ? 100 : 0); emumix_set_volume(sc->card, M_IN3_REC_R, input[3] == 1 ? 100 : 0); } emumix_set_volume(sc->card, M_IN4_REC_L, input[4] == 1 ? 100 : 0); emumix_set_volume(sc->card, M_IN4_REC_R, input[4] == 1 ? 100 : 0); emumix_set_volume(sc->card, M_IN5_REC_L, input[5] == 1 ? 100 : 0); emumix_set_volume(sc->card, M_IN5_REC_R, input[5] == 1 ? 100 : 0); emumix_set_volume(sc->card, M_IN6_REC_L, input[6] == 1 ? 100 : 0); emumix_set_volume(sc->card, M_IN6_REC_R, input[6] == 1 ? 100 : 0); /* XXX check for K1/k2 differences? */ if ((src & (1 << SOUND_MIXER_PCM)) == (1 << SOUND_MIXER_PCM)) { emumix_set_volume(sc->card, M_FX0_REC_L, emumix_get_volume(sc->card, M_FX0_FRONT_L)); emumix_set_volume(sc->card, M_FX1_REC_R, emumix_get_volume(sc->card, M_FX1_FRONT_R)); } else { emumix_set_volume(sc->card, M_FX0_REC_L, 0); emumix_set_volume(sc->card, M_FX1_REC_R, 0); } return (recmask); } static kobj_method_t emudspmixer_methods[] = { KOBJMETHOD(mixer_init, emu_dspmixer_init), KOBJMETHOD(mixer_uninit, emu_dspmixer_uninit), KOBJMETHOD(mixer_set, emu_dspmixer_set), KOBJMETHOD(mixer_setrecsrc, emu_dspmixer_setrecsrc), KOBJMETHOD_END }; MIXER_DECLARE(emudspmixer); static int emu_efxmixer_init(struct snd_mixer *m) { mix_setdevs(m, SOUND_MASK_VOLUME); mix_setrecdevs(m, SOUND_MASK_MONITOR); return (0); } static int emu_efxmixer_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right) { if (left + right == 200) return (0); return (0); } static u_int32_t emu_efxmixer_setrecsrc(struct snd_mixer *m __unused, u_int32_t src __unused) { return (SOUND_MASK_MONITOR); } static kobj_method_t emuefxmixer_methods[] = { KOBJMETHOD(mixer_init, emu_efxmixer_init), KOBJMETHOD(mixer_set, emu_efxmixer_set), KOBJMETHOD(mixer_setrecsrc, emu_efxmixer_setrecsrc), KOBJMETHOD_END }; MIXER_DECLARE(emuefxmixer); /* * AC97 emulation code for Audigy and later cards. * Some parts of AC97 codec are not used by hardware, but can be used * to change some DSP controls via AC97 mixer interface. This includes: * - master volume controls MASTER_FRONT_[R|L] * - pcm volume controls FX[0|1]_FRONT_[R|L] * - rec volume controls MASTER_REC_[R|L] * We do it because we need to put it under user control.... * We also keep some parts of AC97 disabled to get better sound quality */ #define AC97LEFT(x) ((x & 0x7F00)>>8) #define AC97RIGHT(x) (x & 0x007F) #define AC97MUTE(x) ((x & 0x8000)>>15) #define BIT4_TO100(x) (100-(x)*100/(0x0f)) #define BIT6_TO100(x) (100-(x)*100/(0x3f)) #define BIT4_TO255(x) (255-(x)*255/(0x0f)) #define BIT6_TO255(x) (255-(x)*255/(0x3f)) #define V100_TOBIT6(x) (0x3f*(100-x)/100) #define V100_TOBIT4(x) (0x0f*(100-x)/100) #define AC97ENCODE(x_muted, x_left, x_right) (((x_muted & 1)<<15) | ((x_left & 0x3f)<<8) | (x_right & 0x3f)) static int emu_ac97_read_emulation(struct emu_pcm_info *sc, int regno) { int use_ac97; int emulated; int tmp; use_ac97 = 1; emulated = 0; switch (regno) { case AC97_MIX_MASTER: emulated = sc->ac97_state[AC97_MIX_MASTER]; use_ac97 = 0; break; case AC97_MIX_PCM: emulated = sc->ac97_state[AC97_MIX_PCM]; use_ac97 = 0; break; case AC97_REG_RECSEL: emulated = 0x0505; use_ac97 = 0; break; case AC97_MIX_RGAIN: emulated = sc->ac97_state[AC97_MIX_RGAIN]; use_ac97 = 0; break; } emu_wr(sc->card, EMU_AC97ADDR, regno, 1); tmp = emu_rd(sc->card, EMU_AC97DATA, 2); if (use_ac97) emulated = tmp; return (emulated); } static void emu_ac97_write_emulation(struct emu_pcm_info *sc, int regno, uint32_t data) { int write_ac97; int left, right; uint32_t emu_left, emu_right; int is_mute; write_ac97 = 1; left = AC97LEFT(data); emu_left = BIT6_TO100(left); /* We show us as 6-bit AC97 mixer */ right = AC97RIGHT(data); emu_right = BIT6_TO100(right); is_mute = AC97MUTE(data); if (is_mute) emu_left = emu_right = 0; switch (regno) { /* TODO: reset emulator on AC97_RESET */ case AC97_MIX_MASTER: emumix_set_volume(sc->card, M_MASTER_FRONT_L, emu_left); emumix_set_volume(sc->card, M_MASTER_FRONT_R, emu_right); sc->ac97_state[AC97_MIX_MASTER] = data & (0x8000 | 0x3f3f); data = 0x8000; /* Mute AC97 main out */ break; case AC97_MIX_PCM: /* PCM OUT VOL */ emumix_set_volume(sc->card, M_FX0_FRONT_L, emu_left); emumix_set_volume(sc->card, M_FX1_FRONT_R, emu_right); sc->ac97_state[AC97_MIX_PCM] = data & (0x8000 | 0x3f3f); data = 0x8000; /* Mute AC97 PCM out */ break; case AC97_REG_RECSEL: /* * PCM recording source is set to "stereo mix" (labeled "vol" * in mixer). There is no 'playback' from AC97 codec - * if you want to hear anything from AC97 you have to _record_ * it. Keep things simple and record "stereo mix". */ data = 0x0505; break; case AC97_MIX_RGAIN: /* RECORD GAIN */ emu_left = BIT4_TO100(left); /* rgain is 4-bit */ emu_right = BIT4_TO100(right); emumix_set_volume(sc->card, M_MASTER_REC_L, 100-emu_left); emumix_set_volume(sc->card, M_MASTER_REC_R, 100-emu_right); /* * Record gain on AC97 should stay zero to get AC97 sound on * AC97_[RL] connectors on EMU10K2 chip. AC97 on Audigy is not * directly connected to any output, only to EMU10K2 chip Use * this control to set AC97 mix volume inside EMU10K2 chip */ sc->ac97_state[AC97_MIX_RGAIN] = data & (0x8000 | 0x0f0f); data = 0x0000; break; } if (write_ac97) { emu_wr(sc->card, EMU_AC97ADDR, regno, 1); emu_wr(sc->card, EMU_AC97DATA, data, 2); } } static int emu_erdcd(kobj_t obj __unused, void *devinfo, int regno) { struct emu_pcm_info *sc = (struct emu_pcm_info *)devinfo; return (emu_ac97_read_emulation(sc, regno)); } static int emu_ewrcd(kobj_t obj __unused, void *devinfo, int regno, uint32_t data) { struct emu_pcm_info *sc = (struct emu_pcm_info *)devinfo; emu_ac97_write_emulation(sc, regno, data); return (0); } static kobj_method_t emu_eac97_methods[] = { KOBJMETHOD(ac97_read, emu_erdcd), KOBJMETHOD(ac97_write, emu_ewrcd), KOBJMETHOD_END }; AC97_DECLARE(emu_eac97); /* real ac97 codec */ static int emu_rdcd(kobj_t obj __unused, void *devinfo, int regno) { int rd; struct emu_pcm_info *sc = (struct emu_pcm_info *)devinfo; KASSERT(sc->card != NULL, ("emu_rdcd: no soundcard")); emu_wr(sc->card, EMU_AC97ADDR, regno, 1); rd = emu_rd(sc->card, EMU_AC97DATA, 2); return (rd); } static int emu_wrcd(kobj_t obj __unused, void *devinfo, int regno, uint32_t data) { struct emu_pcm_info *sc = (struct emu_pcm_info *)devinfo; KASSERT(sc->card != NULL, ("emu_wrcd: no soundcard")); emu_wr(sc->card, EMU_AC97ADDR, regno, 1); emu_wr(sc->card, EMU_AC97DATA, data, 2); return (0); } static kobj_method_t emu_ac97_methods[] = { KOBJMETHOD(ac97_read, emu_rdcd), KOBJMETHOD(ac97_write, emu_wrcd), KOBJMETHOD_END }; AC97_DECLARE(emu_ac97); static int emu_k1_recval(int speed) { int val; val = 0; while ((val < 7) && (speed < emu10k1_adcspeed[val])) val++; return (val); } static int emu_k2_recval(int speed) { int val; val = 0; while ((val < 8) && (speed < emu10k2_adcspeed[val])) val++; return (val); } static void * emupchan_init(kobj_t obj __unused, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir __unused) { struct emu_pcm_info *sc = devinfo; struct emu_pcm_pchinfo *ch; void *r; KASSERT(dir == PCMDIR_PLAY, ("emupchan_init: bad direction")); KASSERT(sc->card != NULL, ("empchan_init: no soundcard")); if (sc->pnum >= MAX_CHANNELS) return (NULL); ch = &(sc->pch[sc->pnum++]); ch->buffer = b; ch->pcm = sc; ch->channel = c; ch->blksz = sc->bufsz; ch->fmt = SND_FORMAT(AFMT_U8, 1, 0); ch->spd = 8000; ch->master = emu_valloc(sc->card); /* * XXX we have to allocate slave even for mono channel until we * fix emu_vfree to handle this case. */ ch->slave = emu_valloc(sc->card); ch->timer = emu_timer_create(sc->card); r = (emu_vinit(sc->card, ch->master, ch->slave, EMU_PLAY_BUFSZ, ch->buffer)) ? NULL : ch; return (r); } static int emupchan_free(kobj_t obj __unused, void *c_devinfo) { struct emu_pcm_pchinfo *ch = c_devinfo; struct emu_pcm_info *sc = ch->pcm; emu_timer_clear(sc->card, ch->timer); if (ch->slave != NULL) emu_vfree(sc->card, ch->slave); emu_vfree(sc->card, ch->master); return (0); } static int emupchan_setformat(kobj_t obj __unused, void *c_devinfo, uint32_t format) { struct emu_pcm_pchinfo *ch = c_devinfo; ch->fmt = format; return (0); } static uint32_t emupchan_setspeed(kobj_t obj __unused, void *c_devinfo, uint32_t speed) { struct emu_pcm_pchinfo *ch = c_devinfo; ch->spd = speed; return (ch->spd); } static uint32_t emupchan_setblocksize(kobj_t obj __unused, void *c_devinfo, uint32_t blocksize) { struct emu_pcm_pchinfo *ch = c_devinfo; struct emu_pcm_info *sc = ch->pcm; if (blocksize > ch->pcm->bufsz) blocksize = ch->pcm->bufsz; snd_mtxlock(sc->lock); ch->blksz = blocksize; emu_timer_set(sc->card, ch->timer, ch->blksz / sndbuf_getalign(ch->buffer)); snd_mtxunlock(sc->lock); return (ch->blksz); } static int emupchan_trigger(kobj_t obj __unused, void *c_devinfo, int go) { struct emu_pcm_pchinfo *ch = c_devinfo; struct emu_pcm_info *sc = ch->pcm; if (!PCMTRIG_COMMON(go)) return (0); snd_mtxlock(sc->lock); /* XXX can we trigger on parallel threads ? */ if (go == PCMTRIG_START) { emu_vsetup(ch->master, ch->fmt, ch->spd); if (AFMT_CHANNEL(ch->fmt) > 1) emu_vroute(sc->card, &(sc->rt), ch->master); else emu_vroute(sc->card, &(sc->rt_mono), ch->master); emu_vwrite(sc->card, ch->master); emu_timer_set(sc->card, ch->timer, ch->blksz / sndbuf_getalign(ch->buffer)); emu_timer_enable(sc->card, ch->timer, 1); } /* PCM interrupt handler will handle PCMTRIG_STOP event */ ch->run = (go == PCMTRIG_START) ? 1 : 0; emu_vtrigger(sc->card, ch->master, ch->run); snd_mtxunlock(sc->lock); return (0); } static uint32_t emupchan_getptr(kobj_t obj __unused, void *c_devinfo) { struct emu_pcm_pchinfo *ch = c_devinfo; struct emu_pcm_info *sc = ch->pcm; int r; r = emu_vpos(sc->card, ch->master); return (r); } static struct pcmchan_caps * emupchan_getcaps(kobj_t obj __unused, void *c_devinfo __unused) { struct emu_pcm_pchinfo *ch = c_devinfo; struct emu_pcm_info *sc = ch->pcm; switch (sc->route) { case RT_FRONT: /* FALLTHROUGH */ case RT_REAR: /* FALLTHROUGH */ case RT_SIDE: return (&emu_playcaps); break; case RT_CENTER: /* FALLTHROUGH */ case RT_SUB: return (&emu_playcaps_mono); break; } return (NULL); } static kobj_method_t emupchan_methods[] = { KOBJMETHOD(channel_init, emupchan_init), KOBJMETHOD(channel_free, emupchan_free), KOBJMETHOD(channel_setformat, emupchan_setformat), KOBJMETHOD(channel_setspeed, emupchan_setspeed), KOBJMETHOD(channel_setblocksize, emupchan_setblocksize), KOBJMETHOD(channel_trigger, emupchan_trigger), KOBJMETHOD(channel_getptr, emupchan_getptr), KOBJMETHOD(channel_getcaps, emupchan_getcaps), KOBJMETHOD_END }; CHANNEL_DECLARE(emupchan); static void * emurchan_init(kobj_t obj __unused, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir __unused) { struct emu_pcm_info *sc = devinfo; struct emu_pcm_rchinfo *ch; KASSERT(dir == PCMDIR_REC, ("emurchan_init: bad direction")); ch = &sc->rch_adc; ch->buffer = b; ch->pcm = sc; ch->channel = c; ch->blksz = sc->bufsz / 2; /* We rise interrupt for half-full buffer */ ch->fmt = SND_FORMAT(AFMT_U8, 1, 0); ch->spd = 8000; ch->idxreg = sc->is_emu10k1 ? EMU_ADCIDX : EMU_A_ADCIDX; ch->basereg = EMU_ADCBA; ch->sizereg = EMU_ADCBS; ch->setupreg = EMU_ADCCR; ch->irqmask = EMU_INTE_ADCBUFENABLE; ch->iprmask = EMU_IPR_ADCBUFFULL | EMU_IPR_ADCBUFHALFFULL; if (sndbuf_alloc(ch->buffer, emu_gettag(sc->card), 0, sc->bufsz) != 0) return (NULL); else { ch->timer = emu_timer_create(sc->card); emu_wrptr(sc->card, 0, ch->basereg, sndbuf_getbufaddr(ch->buffer)); emu_wrptr(sc->card, 0, ch->sizereg, 0); /* off */ return (ch); } } static int emurchan_free(kobj_t obj __unused, void *c_devinfo) { struct emu_pcm_rchinfo *ch = c_devinfo; struct emu_pcm_info *sc = ch->pcm; emu_timer_clear(sc->card, ch->timer); return (0); } static int emurchan_setformat(kobj_t obj __unused, void *c_devinfo, uint32_t format) { struct emu_pcm_rchinfo *ch = c_devinfo; ch->fmt = format; return (0); } static uint32_t emurchan_setspeed(kobj_t obj __unused, void *c_devinfo, uint32_t speed) { struct emu_pcm_rchinfo *ch = c_devinfo; if (ch->pcm->is_emu10k1) { speed = emu10k1_adcspeed[emu_k1_recval(speed)]; } else { speed = emu10k2_adcspeed[emu_k2_recval(speed)]; } ch->spd = speed; return (ch->spd); } static uint32_t emurchan_setblocksize(kobj_t obj __unused, void *c_devinfo, uint32_t blocksize) { struct emu_pcm_rchinfo *ch = c_devinfo; struct emu_pcm_info *sc = ch->pcm; ch->blksz = blocksize; /* * If blocksize is less than half of buffer size we will not get * BUFHALFFULL interrupt in time and channel will need to generate * (and use) timer interrupts. Otherwise channel will be marked dead. */ if (ch->blksz < (ch->pcm->bufsz / 2)) { emu_timer_set(sc->card, ch->timer, ch->blksz / sndbuf_getalign(ch->buffer)); emu_timer_enable(sc->card, ch->timer, 1); } else { emu_timer_enable(sc->card, ch->timer, 0); } return (ch->blksz); } static int emurchan_trigger(kobj_t obj __unused, void *c_devinfo, int go) { struct emu_pcm_rchinfo *ch = c_devinfo; struct emu_pcm_info *sc = ch->pcm; uint32_t val, sz; if (!PCMTRIG_COMMON(go)) return (0); switch (sc->bufsz) { case 4096: sz = EMU_RECBS_BUFSIZE_4096; break; case 8192: sz = EMU_RECBS_BUFSIZE_8192; break; case 16384: sz = EMU_RECBS_BUFSIZE_16384; break; case 32768: sz = EMU_RECBS_BUFSIZE_32768; break; case 65536: sz = EMU_RECBS_BUFSIZE_65536; break; default: sz = EMU_RECBS_BUFSIZE_4096; } snd_mtxlock(sc->lock); switch (go) { case PCMTRIG_START: ch->run = 1; emu_wrptr(sc->card, 0, ch->sizereg, sz); val = sc->is_emu10k1 ? EMU_ADCCR_LCHANENABLE : EMU_A_ADCCR_LCHANENABLE; if (AFMT_CHANNEL(ch->fmt) > 1) val |= sc->is_emu10k1 ? EMU_ADCCR_RCHANENABLE : EMU_A_ADCCR_RCHANENABLE; val |= sc->is_emu10k1 ? emu_k1_recval(ch->spd) : emu_k2_recval(ch->spd); emu_wrptr(sc->card, 0, ch->setupreg, 0); emu_wrptr(sc->card, 0, ch->setupreg, val); ch->ihandle = emu_intr_register(sc->card, ch->irqmask, ch->iprmask, &emu_pcm_intr, sc); break; case PCMTRIG_STOP: /* FALLTHROUGH */ case PCMTRIG_ABORT: ch->run = 0; emu_wrptr(sc->card, 0, ch->sizereg, 0); if (ch->setupreg) emu_wrptr(sc->card, 0, ch->setupreg, 0); (void)emu_intr_unregister(sc->card, ch->ihandle); break; case PCMTRIG_EMLDMAWR: /* FALLTHROUGH */ case PCMTRIG_EMLDMARD: /* FALLTHROUGH */ default: break; } snd_mtxunlock(sc->lock); return (0); } static uint32_t emurchan_getptr(kobj_t obj __unused, void *c_devinfo) { struct emu_pcm_rchinfo *ch = c_devinfo; struct emu_pcm_info *sc = ch->pcm; int r; r = emu_rdptr(sc->card, 0, ch->idxreg) & 0x0000ffff; return (r); } static struct pcmchan_caps * emurchan_getcaps(kobj_t obj __unused, void *c_devinfo __unused) { return (&emu_reccaps_adc); } static kobj_method_t emurchan_methods[] = { KOBJMETHOD(channel_init, emurchan_init), KOBJMETHOD(channel_free, emurchan_free), KOBJMETHOD(channel_setformat, emurchan_setformat), KOBJMETHOD(channel_setspeed, emurchan_setspeed), KOBJMETHOD(channel_setblocksize, emurchan_setblocksize), KOBJMETHOD(channel_trigger, emurchan_trigger), KOBJMETHOD(channel_getptr, emurchan_getptr), KOBJMETHOD(channel_getcaps, emurchan_getcaps), KOBJMETHOD_END }; CHANNEL_DECLARE(emurchan); static void * emufxrchan_init(kobj_t obj __unused, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir __unused) { struct emu_pcm_info *sc = devinfo; struct emu_pcm_rchinfo *ch; KASSERT(dir == PCMDIR_REC, ("emurchan_init: bad direction")); if (sc == NULL) return (NULL); ch = &(sc->rch_efx); ch->fmt = SND_FORMAT(AFMT_S16_LE, 1, 0); ch->spd = sc->is_emu10k1 ? 48000*32 : 48000 * 64; ch->idxreg = EMU_FXIDX; ch->basereg = EMU_FXBA; ch->sizereg = EMU_FXBS; ch->irqmask = EMU_INTE_EFXBUFENABLE; ch->iprmask = EMU_IPR_EFXBUFFULL | EMU_IPR_EFXBUFHALFFULL; ch->buffer = b; ch->pcm = sc; ch->channel = c; ch->blksz = sc->bufsz / 2; if (sndbuf_alloc(ch->buffer, emu_gettag(sc->card), 0, sc->bufsz) != 0) return (NULL); else { emu_wrptr(sc->card, 0, ch->basereg, sndbuf_getbufaddr(ch->buffer)); emu_wrptr(sc->card, 0, ch->sizereg, 0); /* off */ return (ch); } } static int emufxrchan_setformat(kobj_t obj __unused, void *c_devinfo __unused, uint32_t format) { if (format == SND_FORMAT(AFMT_S16_LE, 1, 0)) return (0); return (EINVAL); } static uint32_t emufxrchan_setspeed(kobj_t obj __unused, void *c_devinfo, uint32_t speed) { struct emu_pcm_rchinfo *ch = c_devinfo; /* FIXED RATE CHANNEL */ return (ch->spd); } static uint32_t emufxrchan_setblocksize(kobj_t obj __unused, void *c_devinfo, uint32_t blocksize) { struct emu_pcm_rchinfo *ch = c_devinfo; ch->blksz = blocksize; /* * XXX If blocksize is less than half of buffer size we will not get * interrupt in time and channel will die due to interrupt timeout. * This should not happen with FX rchan, because it will fill buffer * very fast (64K buffer is 0.021seconds on Audigy). */ if (ch->blksz < (ch->pcm->bufsz / 2)) ch->blksz = ch->pcm->bufsz / 2; return (ch->blksz); } static int emufxrchan_trigger(kobj_t obj __unused, void *c_devinfo, int go) { struct emu_pcm_rchinfo *ch = c_devinfo; struct emu_pcm_info *sc = ch->pcm; uint32_t sz; if (!PCMTRIG_COMMON(go)) return (0); switch (sc->bufsz) { case 4096: sz = EMU_RECBS_BUFSIZE_4096; break; case 8192: sz = EMU_RECBS_BUFSIZE_8192; break; case 16384: sz = EMU_RECBS_BUFSIZE_16384; break; case 32768: sz = EMU_RECBS_BUFSIZE_32768; break; case 65536: sz = EMU_RECBS_BUFSIZE_65536; break; default: sz = EMU_RECBS_BUFSIZE_4096; } snd_mtxlock(sc->lock); switch (go) { case PCMTRIG_START: ch->run = 1; emu_wrptr(sc->card, 0, ch->sizereg, sz); ch->ihandle = emu_intr_register(sc->card, ch->irqmask, ch->iprmask, &emu_pcm_intr, sc); /* * SB Live! is limited to 32 mono channels. Audigy * has 64 mono channels. Channels are enabled * by setting a bit in EMU_A_FXWC[1|2] registers. */ /* XXX there is no way to demultiplex this streams for now */ if (sc->is_emu10k1) { emu_wrptr(sc->card, 0, EMU_FXWC, 0xffffffff); } else { emu_wrptr(sc->card, 0, EMU_A_FXWC1, 0xffffffff); emu_wrptr(sc->card, 0, EMU_A_FXWC2, 0xffffffff); } break; case PCMTRIG_STOP: /* FALLTHROUGH */ case PCMTRIG_ABORT: ch->run = 0; if (sc->is_emu10k1) { emu_wrptr(sc->card, 0, EMU_FXWC, 0x0); } else { emu_wrptr(sc->card, 0, EMU_A_FXWC1, 0x0); emu_wrptr(sc->card, 0, EMU_A_FXWC2, 0x0); } emu_wrptr(sc->card, 0, ch->sizereg, 0); (void)emu_intr_unregister(sc->card, ch->ihandle); break; case PCMTRIG_EMLDMAWR: /* FALLTHROUGH */ case PCMTRIG_EMLDMARD: /* FALLTHROUGH */ default: break; } snd_mtxunlock(sc->lock); return (0); } static uint32_t emufxrchan_getptr(kobj_t obj __unused, void *c_devinfo) { struct emu_pcm_rchinfo *ch = c_devinfo; struct emu_pcm_info *sc = ch->pcm; int r; r = emu_rdptr(sc->card, 0, ch->idxreg) & 0x0000ffff; return (r); } static struct pcmchan_caps * emufxrchan_getcaps(kobj_t obj __unused, void *c_devinfo) { struct emu_pcm_rchinfo *ch = c_devinfo; struct emu_pcm_info *sc = ch->pcm; if (sc->is_emu10k1) return (&emu_reccaps_efx_live); return (&emu_reccaps_efx_audigy); } static int emufxrchan_getrates(kobj_t obj __unused, void *c_devinfo, int **rates) { struct emu_pcm_rchinfo *ch = c_devinfo; struct emu_pcm_info *sc = ch->pcm; if (sc->is_emu10k1) *rates = emu_rates_live; else *rates = emu_rates_audigy; return 1; } static kobj_method_t emufxrchan_methods[] = { KOBJMETHOD(channel_init, emufxrchan_init), KOBJMETHOD(channel_setformat, emufxrchan_setformat), KOBJMETHOD(channel_setspeed, emufxrchan_setspeed), KOBJMETHOD(channel_setblocksize, emufxrchan_setblocksize), KOBJMETHOD(channel_trigger, emufxrchan_trigger), KOBJMETHOD(channel_getptr, emufxrchan_getptr), KOBJMETHOD(channel_getcaps, emufxrchan_getcaps), KOBJMETHOD(channel_getrates, emufxrchan_getrates), KOBJMETHOD_END }; CHANNEL_DECLARE(emufxrchan); static uint32_t emu_pcm_intr(void *pcm, uint32_t stat) { struct emu_pcm_info *sc = (struct emu_pcm_info *)pcm; uint32_t ack; int i; ack = 0; snd_mtxlock(sc->lock); if (stat & EMU_IPR_INTERVALTIMER) { ack |= EMU_IPR_INTERVALTIMER; for (i = 0; i < MAX_CHANNELS; i++) if (sc->pch[i].channel) { if (sc->pch[i].run == 1) { snd_mtxunlock(sc->lock); chn_intr(sc->pch[i].channel); snd_mtxlock(sc->lock); } else emu_timer_enable(sc->card, sc->pch[i].timer, 0); } /* ADC may install timer to get low-latency interrupts */ if ((sc->rch_adc.channel) && (sc->rch_adc.run)) { snd_mtxunlock(sc->lock); chn_intr(sc->rch_adc.channel); snd_mtxlock(sc->lock); } /* * EFX does not use timer, because it will fill * buffer at least 32x times faster than ADC. */ } if (stat & (EMU_IPR_ADCBUFFULL | EMU_IPR_ADCBUFHALFFULL)) { ack |= stat & (EMU_IPR_ADCBUFFULL | EMU_IPR_ADCBUFHALFFULL); if (sc->rch_adc.channel) { snd_mtxunlock(sc->lock); chn_intr(sc->rch_adc.channel); snd_mtxlock(sc->lock); } } if (stat & (EMU_IPR_EFXBUFFULL | EMU_IPR_EFXBUFHALFFULL)) { ack |= stat & (EMU_IPR_EFXBUFFULL | EMU_IPR_EFXBUFHALFFULL); if (sc->rch_efx.channel) { snd_mtxunlock(sc->lock); chn_intr(sc->rch_efx.channel); snd_mtxlock(sc->lock); } } snd_mtxunlock(sc->lock); return (ack); } static int emu_pcm_init(struct emu_pcm_info *sc) { sc->bufsz = pcm_getbuffersize(sc->dev, EMUPAGESIZE, EMU_REC_BUFSZ, EMU_MAX_BUFSZ); return (0); } static int emu_pcm_uninit(struct emu_pcm_info *sc __unused) { return (0); } static int emu_pcm_probe(device_t dev) { uintptr_t func, route; const char *rt; char buffer[255]; BUS_READ_IVAR(device_get_parent(dev), dev, EMU_VAR_FUNC, &func); if (func != SCF_PCM) return (ENXIO); rt = "UNKNOWN"; BUS_READ_IVAR(device_get_parent(dev), dev, EMU_VAR_ROUTE, &route); switch (route) { case RT_FRONT: rt = "front"; break; case RT_REAR: rt = "rear"; break; case RT_CENTER: rt = "center"; break; case RT_SUB: rt = "subwoofer"; break; case RT_SIDE: rt = "side"; break; case RT_MCHRECORD: rt = "multichannel recording"; break; } snprintf(buffer, 255, "EMU10Kx DSP %s PCM interface", rt); device_set_desc_copy(dev, buffer); return (0); } static int emu_pcm_attach(device_t dev) { struct emu_pcm_info *sc; unsigned int i; char status[SND_STATUSLEN]; uint32_t inte, ipr; uintptr_t route, ivar; sc = malloc(sizeof(*sc), M_DEVBUF, M_WAITOK | M_ZERO); sc->card = (struct emu_sc_info *)(device_get_softc(device_get_parent(dev))); if (sc->card == NULL) { device_printf(dev, "cannot get bridge conf\n"); free(sc, M_DEVBUF); return (ENXIO); } sc->lock = snd_mtxcreate(device_get_nameunit(dev), "snd_emu10kx pcm softc"); sc->dev = dev; BUS_READ_IVAR(device_get_parent(dev), dev, EMU_VAR_ISEMU10K1, &ivar); sc->is_emu10k1 = ivar ? 1 : 0; BUS_READ_IVAR(device_get_parent(dev), dev, EMU_VAR_MCH_DISABLED, &ivar); sc->mch_disabled = ivar ? 1 : 0; sc->codec = NULL; for (i = 0; i < 8; i++) { sc->rt.routing_left[i] = i; sc->rt.amounts_left[i] = 0x00; sc->rt.routing_right[i] = i; sc->rt.amounts_right[i] = 0x00; } for (i = 0; i < 8; i++) { sc->rt_mono.routing_left[i] = i; sc->rt_mono.amounts_left[i] = 0x00; sc->rt_mono.routing_right[i] = i; sc->rt_mono.amounts_right[i] = 0x00; } sc->emu10k1_volcache[0][0] = 75; sc->emu10k1_volcache[1][0] = 75; sc->emu10k1_volcache[0][1] = 75; sc->emu10k1_volcache[1][1] = 75; BUS_READ_IVAR(device_get_parent(dev), dev, EMU_VAR_ROUTE, &route); sc->route = route; switch (route) { case RT_FRONT: sc->rt.amounts_left[0] = 0xff; sc->rt.amounts_right[1] = 0xff; sc->rt_mono.amounts_left[0] = 0xff; sc->rt_mono.amounts_left[1] = 0xff; if (sc->is_emu10k1) sc->codec = AC97_CREATE(dev, sc, emu_ac97); else sc->codec = AC97_CREATE(dev, sc, emu_eac97); sc->ac97_mixerclass = NULL; if (sc->codec != NULL) sc->ac97_mixerclass = ac97_getmixerclass(); if (mixer_init(dev, &emudspmixer_class, sc)) { device_printf(dev, "failed to initialize DSP mixer\n"); goto bad; } break; case RT_REAR: sc->rt.amounts_left[2] = 0xff; sc->rt.amounts_right[3] = 0xff; sc->rt_mono.amounts_left[2] = 0xff; sc->rt_mono.amounts_left[3] = 0xff; if (mixer_init(dev, &emudspmixer_class, sc)) { device_printf(dev, "failed to initialize mixer\n"); goto bad; } break; case RT_CENTER: sc->rt.amounts_left[4] = 0xff; sc->rt_mono.amounts_left[4] = 0xff; if (mixer_init(dev, &emudspmixer_class, sc)) { device_printf(dev, "failed to initialize mixer\n"); goto bad; } break; case RT_SUB: sc->rt.amounts_left[5] = 0xff; sc->rt_mono.amounts_left[5] = 0xff; if (mixer_init(dev, &emudspmixer_class, sc)) { device_printf(dev, "failed to initialize mixer\n"); goto bad; } break; case RT_SIDE: sc->rt.amounts_left[6] = 0xff; sc->rt.amounts_right[7] = 0xff; sc->rt_mono.amounts_left[6] = 0xff; sc->rt_mono.amounts_left[7] = 0xff; if (mixer_init(dev, &emudspmixer_class, sc)) { device_printf(dev, "failed to initialize mixer\n"); goto bad; } break; case RT_MCHRECORD: if (mixer_init(dev, &emuefxmixer_class, sc)) { device_printf(dev, "failed to initialize EFX mixer\n"); goto bad; } break; default: device_printf(dev, "invalid default route\n"); goto bad; } inte = EMU_INTE_INTERTIMERENB; ipr = EMU_IPR_INTERVALTIMER; /* Used by playback & ADC */ sc->ihandle = emu_intr_register(sc->card, inte, ipr, &emu_pcm_intr, sc); if (emu_pcm_init(sc) == -1) { device_printf(dev, "unable to initialize PCM part of the card\n"); goto bad; } /* * We don't register interrupt handler with snd_setup_intr * in pcm device. Mark pcm device as MPSAFE manually. */ pcm_setflags(dev, pcm_getflags(dev) | SD_F_MPSAFE); /* XXX we should better get number of available channels from parent */ if (pcm_register(dev, sc, (route == RT_FRONT) ? MAX_CHANNELS : 1, (route == RT_FRONT) ? 1 : 0)) { device_printf(dev, "can't register PCM channels!\n"); goto bad; } sc->pnum = 0; if (route != RT_MCHRECORD) pcm_addchan(dev, PCMDIR_PLAY, &emupchan_class, sc); if (route == RT_FRONT) { for (i = 1; i < MAX_CHANNELS; i++) pcm_addchan(dev, PCMDIR_PLAY, &emupchan_class, sc); pcm_addchan(dev, PCMDIR_REC, &emurchan_class, sc); } if (route == RT_MCHRECORD) pcm_addchan(dev, PCMDIR_REC, &emufxrchan_class, sc); snprintf(status, SND_STATUSLEN, "on %s", device_get_nameunit(device_get_parent(dev))); pcm_setstatus(dev, status); return (0); bad: if (sc->codec) ac97_destroy(sc->codec); if (sc->lock) snd_mtxfree(sc->lock); free(sc, M_DEVBUF); return (ENXIO); } static int emu_pcm_detach(device_t dev) { int r; struct emu_pcm_info *sc; sc = pcm_getdevinfo(dev); r = pcm_unregister(dev); if (r) return (r); emu_pcm_uninit(sc); if (sc->lock) snd_mtxfree(sc->lock); free(sc, M_DEVBUF); return (0); } static device_method_t emu_pcm_methods[] = { DEVMETHOD(device_probe, emu_pcm_probe), DEVMETHOD(device_attach, emu_pcm_attach), DEVMETHOD(device_detach, emu_pcm_detach), DEVMETHOD_END }; static driver_t emu_pcm_driver = { "pcm", emu_pcm_methods, PCM_SOFTC_SIZE, NULL, 0, NULL }; DRIVER_MODULE(snd_emu10kx_pcm, emu10kx, emu_pcm_driver, 0, 0); MODULE_DEPEND(snd_emu10kx_pcm, snd_emu10kx, SND_EMU10KX_MINVER, SND_EMU10KX_PREFVER, SND_EMU10KX_MAXVER); MODULE_DEPEND(snd_emu10kx_pcm, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER); MODULE_VERSION(snd_emu10kx_pcm, SND_EMU10KX_PREFVER);