/* $OpenBSD: esa.c,v 1.36 2022/02/16 06:21:19 anton Exp $ */ /* $NetBSD: esa.c,v 1.12 2002/03/24 14:17:35 jmcneill Exp $ */ /* * Copyright (c) 2001, 2002 Jared D. McNeill * 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. 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. */ /* * Shamelessly stolen from NetBSD who based it on FreeBSD's who in turn * based it on Linux's driver. What a wonderful world. * * * ESS Allegro-1 / Maestro3 Audio Driver * * Based on the FreeBSD maestro3 driver and the NetBSD eap driver. * Original driver by Don Kim. * * The list management code could possibly be written better, but what * we have right now does the job nicely. Thanks to Zach Brown * and Andrew MacDonald for helping me debug the * problems with the original list management code present in the Linux * driver. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define PCI_CBIO 0x10 #define ESA_DAC_DATA 0x1100 enum { ESS_ALLEGRO1, ESS_MAESTRO3 }; static struct esa_card_type { u_int16_t pci_vendor_id; u_int16_t pci_product_id; int type; int delay1, delay2; } esa_card_types[] = { { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_ES1989, ESS_ALLEGRO1, 50, 800 }, { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_MAESTRO3, ESS_MAESTRO3, 20, 500 }, { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_MAESTRO3_2, ESS_MAESTRO3, 20, 500 }, { 0, 0, 0, 0, 0 } }; int esa_match(struct device *, void *, void *); void esa_attach(struct device *, struct device *, void *); int esa_detach(struct device *, int); int esa_activate(struct device *, int); /* audio(9) functions */ int esa_open(void *, int); void esa_close(void *); int esa_set_params(void *, int, int, struct audio_params *, struct audio_params *); int esa_round_blocksize(void *, int); int esa_commit_settings(void *); int esa_halt_output(void *); int esa_halt_input(void *); int esa_set_port(void *, mixer_ctrl_t *); int esa_get_port(void *, mixer_ctrl_t *); int esa_query_devinfo(void *, mixer_devinfo_t *); void * esa_malloc(void *, int, size_t, int, int); void esa_free(void *, void *, int); size_t esa_round_buffersize(void *, int, size_t); int esa_get_props(void *); int esa_trigger_output(void *, void *, void *, int, void (*)(void *), void *, struct audio_params *); int esa_trigger_input(void *, void *, void *, int, void (*)(void *), void *, struct audio_params *); int esa_intr(void *); int esa_allocmem(struct esa_softc *, size_t, size_t, struct esa_dma *); int esa_freemem(struct esa_softc *, struct esa_dma *); /* Supporting subroutines */ u_int16_t esa_read_assp(struct esa_softc *, u_int16_t, u_int16_t); void esa_write_assp(struct esa_softc *, u_int16_t, u_int16_t, u_int16_t); int esa_init_codec(struct esa_softc *); int esa_attach_codec(void *, struct ac97_codec_if *); int esa_read_codec(void *, u_int8_t, u_int16_t *); int esa_write_codec(void *, u_int8_t, u_int16_t); void esa_reset_codec(void *); enum ac97_host_flags esa_flags_codec(void *); int esa_wait(struct esa_softc *); int esa_init(struct esa_softc *); void esa_config(struct esa_softc *); u_int8_t esa_assp_halt(struct esa_softc *); void esa_codec_reset(struct esa_softc *); int esa_amp_enable(struct esa_softc *); void esa_enable_interrupts(struct esa_softc *); u_int32_t esa_get_pointer(struct esa_softc *, struct esa_channel *); /* list management */ int esa_add_list(struct esa_voice *, struct esa_list *, u_int16_t, int); void esa_remove_list(struct esa_voice *, struct esa_list *, int); /* power management */ void esa_suspend(struct esa_softc *); void esa_resume(struct esa_softc *); struct audio_hw_if esa_hw_if = { esa_open, esa_close, esa_set_params, esa_round_blocksize, esa_commit_settings, NULL, /* init_output */ NULL, /* init_input */ NULL, /* start_output */ NULL, /* start_input */ esa_halt_output, esa_halt_input, NULL, /* speaker_ctl */ NULL, /* getfd */ esa_set_port, esa_get_port, esa_query_devinfo, esa_malloc, esa_free, esa_round_buffersize, esa_get_props, esa_trigger_output, esa_trigger_input }; struct cfdriver esa_cd = { NULL, "esa", DV_DULL }; struct cfattach esa_ca = { sizeof(struct esa_softc), esa_match, esa_attach, esa_detach, esa_activate }; /* * audio(9) functions */ int esa_open(void *hdl, int flags) { return (0); } void esa_close(void *hdl) { return; } int esa_set_params(void *hdl, int setmode, int usemode, struct audio_params *play, struct audio_params *rec) { struct esa_voice *vc = hdl; struct esa_channel *ch; struct audio_params *p; int mode; for (mode = AUMODE_RECORD; mode != -1; mode = (mode == AUMODE_RECORD) ? AUMODE_PLAY : -1) { if ((setmode & mode) == 0) continue; switch (mode) { case AUMODE_PLAY: p = play; ch = &vc->play; break; case AUMODE_RECORD: p = rec; ch = &vc->rec; break; } if (p->sample_rate < ESA_MINRATE) p->sample_rate = ESA_MINRATE; if (p->sample_rate > ESA_MAXRATE) p->sample_rate = ESA_MAXRATE; if (p->precision > 16) p->precision = 16; if (p->channels > 2) p->channels = 2; switch(p->encoding) { case AUDIO_ENCODING_SLINEAR_LE: if (p->precision != 16) return EINVAL; break; case AUDIO_ENCODING_ULINEAR_LE: case AUDIO_ENCODING_ULINEAR_BE: if (p->precision != 8) return EINVAL; break; default: return (EINVAL); } p->bps = AUDIO_BPS(p->precision); p->msb = 1; ch->mode = *p; } return (0); } int esa_commit_settings(void *hdl) { struct esa_voice *vc = hdl; struct esa_softc *sc = (struct esa_softc *)vc->parent; struct audio_params *p = &vc->play.mode; struct audio_params *r = &vc->rec.mode; u_int32_t data; u_int32_t freq; int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) &~ 255; /* playback */ vc->play.data_offset = ESA_DAC_DATA + (data_bytes * vc->index); if (p->channels == 1) data = 1; else data = 0; esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, vc->play.data_offset + ESA_SRC3_MODE_OFFSET, data); if (p->precision == 8) data = 1; else data = 0; esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, vc->play.data_offset + ESA_SRC3_WORD_LENGTH_OFFSET, data); if ((freq = ((p->sample_rate << 15) + 24000) / 48000) != 0) { freq--; } esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, vc->play.data_offset + ESA_CDATA_FREQUENCY, freq); /* recording */ vc->rec.data_offset = ESA_DAC_DATA + (data_bytes * vc->index) + (data_bytes / 2); if (r->channels == 1) data = 1; else data = 0; esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, vc->rec.data_offset + ESA_SRC3_MODE_OFFSET, data); if (r->precision == 8) data = 1; else data = 0; esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, vc->rec.data_offset + ESA_SRC3_WORD_LENGTH_OFFSET, data); if ((freq = ((r->sample_rate << 15) + 24000) / 48000) != 0) { freq--; } esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, vc->rec.data_offset + ESA_CDATA_FREQUENCY, freq); return (0); }; int esa_round_blocksize(void *hdl, int bs) { struct esa_voice *vc = hdl; /* * Surely there has to be a better solution... */ vc->play.blksize = vc->rec.blksize = 4096; return (vc->play.blksize); } int esa_halt_output(void *hdl) { struct esa_voice *vc = hdl; struct esa_softc *sc = (struct esa_softc *)vc->parent; bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh = sc->sc_ioh; u_int16_t data; if (vc->play.active == 0) return (0); mtx_enter(&audio_lock); vc->play.active = 0; esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_CDATA_INSTANCE_READY + vc->play.data_offset, 0); sc->sc_ntimers--; if (sc->sc_ntimers == 0) { esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_TIMER_COUNT_RELOAD, 0); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_TIMER_COUNT_CURRENT, 0); data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, data & ~ESA_CLKRUN_GEN_ENABLE); } esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_MIXER_TASK_NUMBER, sc->mixer_list.indexmap[vc->index]); /* remove ourselves from the packed lists */ esa_remove_list(vc, &sc->mixer_list, vc->index); esa_remove_list(vc, &sc->dma_list, vc->index); esa_remove_list(vc, &sc->msrc_list, vc->index); mtx_leave(&audio_lock); return (0); } int esa_halt_input(void *hdl) { struct esa_voice *vc = hdl; struct esa_softc *sc = (struct esa_softc *)vc->parent; bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh = sc->sc_ioh; u_int32_t data; if (vc->rec.active == 0) return (0); mtx_enter(&audio_lock); vc->rec.active = 0; sc->sc_ntimers--; if (sc->sc_ntimers == 0) { esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_TIMER_COUNT_RELOAD, 0); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_TIMER_COUNT_CURRENT, 0); data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, data & ~ESA_CLKRUN_GEN_ENABLE); } esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, vc->rec.data_offset + ESA_CDATA_INSTANCE_READY, 0); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_REQUEST, 0); /* remove ourselves from the packed lists */ esa_remove_list(vc, &sc->adc1_list, vc->index + ESA_NUM_VOICES); esa_remove_list(vc, &sc->dma_list, vc->index + ESA_NUM_VOICES); esa_remove_list(vc, &sc->msrc_list, vc->index + ESA_NUM_VOICES); mtx_leave(&audio_lock); return (0); } void * esa_malloc(void *hdl, int direction, size_t size, int type, int flags) { struct esa_voice *vc = hdl; struct esa_softc *sc = (struct esa_softc *)vc->parent; struct esa_dma *p; int error; p = malloc(sizeof(*p), type, flags); if (!p) return (0); error = esa_allocmem(sc, size, 16, p); if (error) { free(p, type, 0); printf("%s: esa_malloc: not enough memory\n", sc->sc_dev.dv_xname); return (0); } p->next = vc->dma; vc->dma = p; return (KERNADDR(p)); } void esa_free(void *hdl, void *addr, int type) { struct esa_voice *vc = hdl; struct esa_softc *sc = (struct esa_softc *)vc->parent; struct esa_dma *p; struct esa_dma **pp; for (pp = &vc->dma; (p = *pp) != NULL; pp = &p->next) if (KERNADDR(p) == addr) { esa_freemem(sc, p); *pp = p->next; free(p, type, 0); return; } } int esa_set_port(void *hdl, mixer_ctrl_t *mc) { struct esa_voice *vc = hdl; struct esa_softc *sc = (struct esa_softc *)vc->parent; return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, mc)); } int esa_get_port(void *hdl, mixer_ctrl_t *mc) { struct esa_voice *vc = hdl; struct esa_softc *sc = (struct esa_softc *)vc->parent; return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, mc)); } int esa_query_devinfo(void *hdl, mixer_devinfo_t *di) { struct esa_voice *vc = hdl; struct esa_softc *sc = (struct esa_softc *)vc->parent; return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, di)); } size_t esa_round_buffersize(void *hdl, int direction, size_t bufsize) { struct esa_voice *vc = hdl; /* * We must be able to do better than this... */ vc->play.bufsize = vc->rec.bufsize = 65536; return (vc->play.bufsize); } int esa_get_props(void *hdl) { return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX); } int esa_trigger_output(void *hdl, void *start, void *end, int blksize, void (*intr)(void *), void *intrarg, struct audio_params *param) { struct esa_voice *vc = hdl; struct esa_softc *sc = (struct esa_softc *)vc->parent; struct esa_dma *p; bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh = sc->sc_ioh; u_int32_t data; u_int32_t bufaddr; u_int32_t i; size_t size; int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) &~ 255; int dac_data = ESA_DAC_DATA + (data_bytes * vc->index); int dsp_in_size = ESA_MINISRC_IN_BUFFER_SIZE - (0x20 * 2); int dsp_out_size = ESA_MINISRC_OUT_BUFFER_SIZE - (0x20 * 2); int dsp_in_buf = dac_data + (ESA_MINISRC_TMP_BUFFER_SIZE / 2); int dsp_out_buf = dsp_in_buf + (dsp_in_size / 2) + 1; if (vc->play.active) return (EINVAL); for (p = vc->dma; p && KERNADDR(p) != start; p = p->next) ; if (!p) { printf("%s: esa_trigger_output: bad addr %p\n", sc->sc_dev.dv_xname, start); return (EINVAL); } vc->play.active = 1; vc->play.intr = intr; vc->play.arg = intrarg; vc->play.pos = 0; vc->play.count = 0; vc->play.buf = start; size = (size_t)(((caddr_t)end - (caddr_t)start)); bufaddr = DMAADDR(p); vc->play.start = bufaddr; #define LO(x) ((x) & 0x0000ffff) #define HI(x) ((x) >> 16) mtx_enter(&audio_lock); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + ESA_CDATA_HOST_SRC_ADDRL, LO(bufaddr)); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + ESA_CDATA_HOST_SRC_ADDRH, HI(bufaddr)); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + ESA_CDATA_HOST_SRC_END_PLUS_1L, LO(bufaddr + size)); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + ESA_CDATA_HOST_SRC_END_PLUS_1H, HI(bufaddr + size)); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + ESA_CDATA_HOST_SRC_CURRENTL, LO(bufaddr)); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + ESA_CDATA_HOST_SRC_CURRENTH, HI(bufaddr)); /* DSP buffers */ esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + ESA_CDATA_IN_BUF_BEGIN, dsp_in_buf); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + ESA_CDATA_IN_BUF_END_PLUS_1, dsp_in_buf + (dsp_in_size / 2)); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + ESA_CDATA_IN_BUF_HEAD, dsp_in_buf); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + ESA_CDATA_IN_BUF_TAIL, dsp_in_buf); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + ESA_CDATA_OUT_BUF_BEGIN, dsp_out_buf); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + ESA_CDATA_OUT_BUF_END_PLUS_1, dsp_out_buf + (dsp_out_size / 2)); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + ESA_CDATA_OUT_BUF_HEAD, dsp_out_buf); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + ESA_CDATA_OUT_BUF_TAIL, dsp_out_buf); /* Some per-client initializers */ esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + ESA_SRC3_DIRECTION_OFFSET + 12, dac_data + 40 + 8); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + ESA_SRC3_DIRECTION_OFFSET + 19, 0x400 + ESA_MINISRC_COEF_LOC); /* Enable or disable low-pass filter? (0xff if rate > 45000) */ esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + ESA_SRC3_DIRECTION_OFFSET + 22, vc->play.mode.sample_rate > 45000 ? 0xff : 0); /* Tell it which way DMA is going */ esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + ESA_CDATA_DMA_CONTROL, ESA_DMACONTROL_AUTOREPEAT + ESA_DMAC_PAGE3_SELECTOR + ESA_DMAC_BLOCKF_SELECTOR); /* Set an armload of static initializers */ for (i = 0; i < nitems(esa_playvals); i++) esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + esa_playvals[i].addr, esa_playvals[i].val); /* Put us in the packed task lists */ esa_add_list(vc, &sc->msrc_list, dac_data >> ESA_DP_SHIFT_COUNT, vc->index); esa_add_list(vc, &sc->dma_list, dac_data >> ESA_DP_SHIFT_COUNT, vc->index); esa_add_list(vc, &sc->mixer_list, dac_data >> ESA_DP_SHIFT_COUNT, vc->index); #undef LO #undef HI sc->sc_ntimers++; if (sc->sc_ntimers == 1) { esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_TIMER_COUNT_RELOAD, 240); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_TIMER_COUNT_CURRENT, 240); data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, data | ESA_CLKRUN_GEN_ENABLE); } esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + ESA_CDATA_INSTANCE_READY, 1); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_MIXER_TASK_NUMBER, sc->mixer_list.indexmap[vc->index]); mtx_leave(&audio_lock); return (0); } int esa_trigger_input(void *hdl, void *start, void *end, int blksize, void (*intr)(void *), void *intrarg, struct audio_params *param) { struct esa_voice *vc = hdl; struct esa_softc *sc = (struct esa_softc *)vc->parent; struct esa_dma *p; bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh = sc->sc_ioh; u_int32_t data; u_int32_t bufaddr; u_int32_t i; size_t size; int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) &~ 255; int adc_data = ESA_DAC_DATA + (data_bytes * vc->index) + (data_bytes / 2); int dsp_in_size = ESA_MINISRC_IN_BUFFER_SIZE - (0x10 * 2); int dsp_out_size = ESA_MINISRC_OUT_BUFFER_SIZE - (0x10 * 2); int dsp_in_buf = adc_data + (ESA_MINISRC_TMP_BUFFER_SIZE / 2); int dsp_out_buf = dsp_in_buf + (dsp_in_size / 2) + 1; vc->rec.data_offset = adc_data; /* We only support 1 recording channel */ if (vc->index > 0) return (ENODEV); if (vc->rec.active) return (EINVAL); for (p = vc->dma; p && KERNADDR(p) != start; p = p->next) ; if (!p) { printf("%s: esa_trigger_input: bad addr %p\n", sc->sc_dev.dv_xname, start); return (EINVAL); } vc->rec.active = 1; vc->rec.intr = intr; vc->rec.arg = intrarg; vc->rec.pos = 0; vc->rec.count = 0; vc->rec.buf = start; size = (size_t)(((caddr_t)end - (caddr_t)start)); bufaddr = DMAADDR(p); vc->rec.start = bufaddr; #define LO(x) ((x) & 0x0000ffff) #define HI(x) ((x) >> 16) mtx_enter(&audio_lock); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + ESA_CDATA_HOST_SRC_ADDRL, LO(bufaddr)); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + ESA_CDATA_HOST_SRC_ADDRH, HI(bufaddr)); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + ESA_CDATA_HOST_SRC_END_PLUS_1L, LO(bufaddr + size)); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + ESA_CDATA_HOST_SRC_END_PLUS_1H, HI(bufaddr + size)); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + ESA_CDATA_HOST_SRC_CURRENTL, LO(bufaddr)); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + ESA_CDATA_HOST_SRC_CURRENTH, HI(bufaddr)); /* DSP buffers */ esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + ESA_CDATA_IN_BUF_BEGIN, dsp_in_buf); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + ESA_CDATA_IN_BUF_END_PLUS_1, dsp_in_buf + (dsp_in_size / 2)); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + ESA_CDATA_IN_BUF_HEAD, dsp_in_buf); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + ESA_CDATA_IN_BUF_TAIL, dsp_in_buf); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + ESA_CDATA_OUT_BUF_BEGIN, dsp_out_buf); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + ESA_CDATA_OUT_BUF_END_PLUS_1, dsp_out_buf + (dsp_out_size / 2)); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + ESA_CDATA_OUT_BUF_HEAD, dsp_out_buf); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + ESA_CDATA_OUT_BUF_TAIL, dsp_out_buf); /* Some per-client initializers */ esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + ESA_SRC3_DIRECTION_OFFSET + 12, adc_data + 40 + 8); /* Tell it which way DMA is going */ esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + ESA_CDATA_DMA_CONTROL, ESA_DMACONTROL_DIRECTION + ESA_DMACONTROL_AUTOREPEAT + ESA_DMAC_PAGE3_SELECTOR + ESA_DMAC_BLOCKF_SELECTOR); /* Set an armload of static initializers */ for (i = 0; i < nitems(esa_recvals); i++) esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + esa_recvals[i].addr, esa_recvals[i].val); /* Put us in the packed task lists */ esa_add_list(vc, &sc->adc1_list, adc_data >> ESA_DP_SHIFT_COUNT, vc->index + ESA_NUM_VOICES); esa_add_list(vc, &sc->msrc_list, adc_data >> ESA_DP_SHIFT_COUNT, vc->index + ESA_NUM_VOICES); esa_add_list(vc, &sc->dma_list, adc_data >> ESA_DP_SHIFT_COUNT, vc->index + ESA_NUM_VOICES); #undef LO #undef HI sc->sc_ntimers++; if (sc->sc_ntimers == 1) { esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_TIMER_COUNT_RELOAD, 240); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_TIMER_COUNT_CURRENT, 240); data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, data | ESA_CLKRUN_GEN_ENABLE); } esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + ESA_CDATA_INSTANCE_READY, 1); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_REQUEST, 1); mtx_leave(&audio_lock); return (0); } /* Interrupt handler */ int esa_intr(void *hdl) { struct esa_softc *sc = hdl; struct esa_voice *vc; bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh = sc->sc_ioh; u_int8_t status, ctl; u_int32_t pos; u_int32_t diff; u_int32_t play_blksize, play_bufsize; u_int32_t rec_blksize, rec_bufsize; int i, claimed = 0; mtx_enter(&audio_lock); status = bus_space_read_1(iot, ioh, ESA_HOST_INT_STATUS); if (status == 0xff) { mtx_leave(&audio_lock); return (0); } /* ack the interrupt */ bus_space_write_1(iot, ioh, ESA_HOST_INT_STATUS, status); if (status & ESA_HV_INT_PENDING) { u_int8_t event; printf("%s: hardware volume interrupt\n", sc->sc_dev.dv_xname); event = bus_space_read_1(iot, ioh, ESA_HW_VOL_COUNTER_MASTER); switch(event) { case 0x99: case 0xaa: case 0x66: case 0x88: printf("%s: esa_intr: FIXME\n", sc->sc_dev.dv_xname); break; default: printf("%s: unknown hwvol event 0x%02x\n", sc->sc_dev.dv_xname, event); break; } bus_space_write_1(iot, ioh, ESA_HW_VOL_COUNTER_MASTER, 0x88); claimed = 1; } if (status & ESA_ASSP_INT_PENDING) { ctl = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_B); if (!(ctl & ESA_STOP_ASSP_CLOCK)) { ctl = bus_space_read_1(iot, ioh, ESA_ASSP_HOST_INT_STATUS); if (ctl & ESA_DSP2HOST_REQ_TIMER) { bus_space_write_1(iot, ioh, ESA_ASSP_HOST_INT_STATUS, ESA_DSP2HOST_REQ_TIMER); for (i = 0; i < ESA_NUM_VOICES; i++) { vc = &sc->voice[i]; if (vc->play.active) { play_blksize = vc->play.blksize; play_bufsize = vc->play.bufsize; pos = esa_get_pointer(sc, &vc->play) % play_bufsize; diff = (play_bufsize + pos - vc->play.pos) % play_bufsize; vc->play.pos = pos; vc->play.count += diff; while(vc->play.count >= play_blksize) { vc->play.count -= play_blksize; (*vc->play.intr)(vc->play.arg); } } if (vc->rec.active) { rec_blksize = vc->rec.blksize; rec_bufsize = vc->rec.bufsize; pos = esa_get_pointer(sc, &vc->rec) % rec_bufsize; diff = (rec_bufsize + pos - vc->rec.pos) % rec_bufsize; vc->rec.pos = pos; vc->rec.count += diff; while(vc->rec.count >= rec_blksize) { vc->rec.count -= rec_blksize; (*vc->rec.intr)(vc->rec.arg); } } } } } claimed = 1; } mtx_leave(&audio_lock); return (claimed); } int esa_allocmem(struct esa_softc *sc, size_t size, size_t align, struct esa_dma *p) { int error; p->size = size; error = bus_dmamem_alloc(sc->sc_dmat, p->size, align, 0, p->segs, sizeof(p->segs) / sizeof(p->segs[0]), &p->nsegs, BUS_DMA_NOWAIT); if (error) return (error); error = bus_dmamem_map(sc->sc_dmat, p->segs, p->nsegs, p->size, &p->addr, BUS_DMA_NOWAIT | BUS_DMA_COHERENT); if (error) goto free; error = bus_dmamap_create(sc->sc_dmat, p->size, 1, p->size, 0, BUS_DMA_NOWAIT, &p->map); if (error) goto unmap; error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, p->size, NULL, BUS_DMA_NOWAIT); if (error) goto destroy; return (0); destroy: bus_dmamap_destroy(sc->sc_dmat, p->map); unmap: bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); free: bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs); return (error); } int esa_freemem(struct esa_softc *sc, struct esa_dma *p) { bus_dmamap_unload(sc->sc_dmat, p->map); bus_dmamap_destroy(sc->sc_dmat, p->map); bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs); return (0); } /* * Supporting Subroutines */ const struct pci_matchid esa_devices[] = { { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_ES1989 }, { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_MAESTRO3 }, { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_MAESTRO3_2 }, }; int esa_match(struct device *dev, void *match, void *aux) { return (pci_matchbyid((struct pci_attach_args *)aux, esa_devices, nitems(esa_devices))); } void esa_attach(struct device *parent, struct device *self, void *aux) { struct esa_softc *sc = (struct esa_softc *)self; struct pci_attach_args *pa = (struct pci_attach_args *)aux; pcitag_t tag = pa->pa_tag; pci_chipset_tag_t pc = pa->pa_pc; pci_intr_handle_t ih; struct esa_card_type *card; const char *intrstr; int i, len; for (card = esa_card_types; card->pci_vendor_id; card++) if (PCI_VENDOR(pa->pa_id) == card->pci_vendor_id && PCI_PRODUCT(pa->pa_id) == card->pci_product_id) { sc->type = card->type; sc->delay1 = card->delay1; sc->delay2 = card->delay2; break; } /* Map I/O register */ if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot, &sc->sc_ioh, &sc->sc_iob, &sc->sc_ios, 0)) { printf(": can't map i/o space\n"); return; } /* Initialize softc */ sc->sc_tag = tag; sc->sc_pct = pc; sc->sc_dmat = pa->pa_dmat; /* Map and establish an interrupt */ if (pci_intr_map(pa, &ih)) { printf(": can't map interrupt\n"); bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); return; } intrstr = pci_intr_string(pc, ih); sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO | IPL_MPSAFE, esa_intr, self, sc->sc_dev.dv_xname); if (sc->sc_ih == NULL) { printf(": can't establish interrupt"); if (intrstr != NULL) printf(" at %s", intrstr); printf("\n"); bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); return; } printf(": %s\n", intrstr); /* Power up chip */ pci_set_powerstate(pc, tag, PCI_PMCSR_STATE_D0); /* Init chip */ if (esa_init(sc) == -1) { printf("%s: esa_attach: unable to initialize the card\n", sc->sc_dev.dv_xname); pci_intr_disestablish(pc, sc->sc_ih); bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); return; } /* create suspend save area */ len = sizeof(u_int16_t) * (ESA_REV_B_CODE_MEMORY_LENGTH + ESA_REV_B_DATA_MEMORY_LENGTH + 1); sc->savemem = malloc(len, M_DEVBUF, M_NOWAIT | M_ZERO); if (sc->savemem == NULL) { printf("%s: unable to allocate suspend buffer\n", sc->sc_dev.dv_xname); pci_intr_disestablish(pc, sc->sc_ih); bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); return; } /* * Every card I've seen has had their channels swapped with respect * to the mixer. Ie: * $ mixerctl -w outputs.master=0,191 * Would result in the _right_ speaker being turned off. * * So, we will swap the left and right mixer channels to compensate * for this. */ sc->codec_flags |= AC97_HOST_SWAPPED_CHANNELS; sc->codec_flags |= AC97_HOST_DONT_READ; /* Attach AC97 host interface */ sc->host_if.arg = self; sc->host_if.attach = esa_attach_codec; sc->host_if.read = esa_read_codec; sc->host_if.write = esa_write_codec; sc->host_if.reset = esa_reset_codec; sc->host_if.flags = esa_flags_codec; if (ac97_attach(&sc->host_if) != 0) { pci_intr_disestablish(pc, sc->sc_ih); bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); free(sc->savemem, M_DEVBUF, 0); return; } /* initialize list management structures */ sc->mixer_list.mem_addr = ESA_KDATA_MIXER_XFER0; sc->mixer_list.max = ESA_MAX_VIRTUAL_MIXER_CHANNELS; sc->adc1_list.mem_addr = ESA_KDATA_ADC1_XFER0; sc->adc1_list.max = ESA_MAX_VIRTUAL_ADC1_CHANNELS; sc->dma_list.mem_addr = ESA_KDATA_DMA_XFER0; sc->dma_list.max = ESA_MAX_VIRTUAL_DMA_CHANNELS; sc->msrc_list.mem_addr = ESA_KDATA_INSTANCE0_MINISRC; sc->msrc_list.max = ESA_MAX_INSTANCE_MINISRC; /* initialize index maps */ for (i = 0; i < ESA_NUM_VOICES * 2; i++) { sc->mixer_list.indexmap[i] = -1; sc->msrc_list.indexmap[i] = -1; sc->dma_list.indexmap[i] = -1; sc->adc1_list.indexmap[i] = -1; } for (i = 0; i < ESA_NUM_VOICES; i++) { sc->voice[i].parent = (struct device *)sc; sc->voice[i].index = i; sc->sc_audiodev[i] = audio_attach_mi(&esa_hw_if, &sc->voice[i], NULL, &sc->sc_dev); } } int esa_detach(struct device *self, int flags) { struct esa_softc *sc = (struct esa_softc *)self; int i; for (i = 0; i < ESA_NUM_VOICES; i++) { if (sc->sc_audiodev[i] != NULL) config_detach(sc->sc_audiodev[i], flags); } if (sc->sc_ih != NULL) pci_intr_disestablish(sc->sc_pct, sc->sc_ih); if (sc->sc_ios) bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); free(sc->savemem, M_DEVBUF, 0); return (0); } u_int16_t esa_read_assp(struct esa_softc *sc, u_int16_t region, u_int16_t index) { u_int16_t data; bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh = sc->sc_ioh; bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE, region & ESA_MEMTYPE_MASK); bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index); data = bus_space_read_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA); return (data); } void esa_write_assp(struct esa_softc *sc, u_int16_t region, u_int16_t index, u_int16_t data) { bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh = sc->sc_ioh; bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE, region & ESA_MEMTYPE_MASK); bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index); bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA, data); return; } int esa_init_codec(struct esa_softc *sc) { bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh = sc->sc_ioh; u_int32_t data; data = bus_space_read_1(iot, ioh, ESA_CODEC_COMMAND); return ((data & 0x1) ? 0 : 1); } int esa_attach_codec(void *aux, struct ac97_codec_if *codec_if) { struct esa_softc *sc = aux; sc->codec_if = codec_if; return (0); } int esa_read_codec(void *aux, u_int8_t reg, u_int16_t *result) { struct esa_softc *sc = aux; bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh = sc->sc_ioh; if (esa_wait(sc)) printf("%s: esa_read_codec: timed out\n", sc->sc_dev.dv_xname); bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, (reg & 0x7f) | 0x80); delay(50); if (esa_wait(sc)) printf("%s: esa_read_codec: timed out\n", sc->sc_dev.dv_xname); *result = bus_space_read_2(iot, ioh, ESA_CODEC_DATA); return (0); } int esa_write_codec(void *aux, u_int8_t reg, u_int16_t data) { struct esa_softc *sc = aux; bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh = sc->sc_ioh; if (esa_wait(sc)) { printf("%s: esa_write_codec: timed out\n", sc->sc_dev.dv_xname); return (-1); } bus_space_write_2(iot, ioh, ESA_CODEC_DATA, data); bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, reg & 0x7f); delay(50); return (0); } void esa_reset_codec(void *aux) { return; } enum ac97_host_flags esa_flags_codec(void *aux) { struct esa_softc *sc = aux; return (sc->codec_flags); } int esa_wait(struct esa_softc *sc) { int i, val; bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh = sc->sc_ioh; for (i = 0; i < 20; i++) { val = bus_space_read_1(iot, ioh, ESA_CODEC_STATUS); if ((val & 1) == 0) return (0); delay(2); } return (-1); } int esa_init(struct esa_softc *sc) { struct esa_voice *vc; bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh = sc->sc_ioh; pcitag_t tag = sc->sc_tag; pci_chipset_tag_t pc = sc->sc_pct; u_int32_t data, i, size; u_int8_t reset_state; int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) &~ 255; /* Disable legacy emulation */ data = pci_conf_read(pc, tag, PCI_LEGACY_AUDIO_CTRL); data |= DISABLE_LEGACY; pci_conf_write(pc, tag, PCI_LEGACY_AUDIO_CTRL, data); esa_config(sc); reset_state = esa_assp_halt(sc); esa_init_codec(sc); esa_codec_reset(sc); /* Zero kernel and mixer data */ size = ESA_REV_B_DATA_MEMORY_UNIT_LENGTH * ESA_NUM_UNITS_KERNEL_DATA; for (i = 0; i < size / 2; i++) { esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_BASE_ADDR + i, 0); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_BASE_ADDR2 + i, 0); } /* Init DMA pointer */ esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_CURRENT_DMA, ESA_KDATA_DMA_XFER0); /* Write kernel code into memory */ size = nitems(esa_assp_kernel_image); for (i = 0; i < size; i++) esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, ESA_REV_B_CODE_MEMORY_BEGIN + i, esa_assp_kernel_image[i]); size = nitems(esa_assp_minisrc_image); for (i = 0; i < size; i++) esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 0x400 + i, esa_assp_minisrc_image[i]); /* Write the coefficients for the low pass filter */ size = nitems(esa_minisrc_lpf_image); for (i = 0; i < size; i++) esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 0x400 + ESA_MINISRC_COEF_LOC + i, esa_minisrc_lpf_image[i]); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 0x400 + ESA_MINISRC_COEF_LOC + size, 0x8000); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_TASK0, 0x400); /* Init the mixer number */ esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_MIXER_TASK_NUMBER, 0); /* Extreme kernel master volume */ esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_DAC_LEFT_VOLUME, ESA_ARB_VOLUME); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_DAC_RIGHT_VOLUME, ESA_ARB_VOLUME); if (esa_amp_enable(sc)) return (-1); /* Zero entire DAC/ADC area */ for (i = 0x1100; i < 0x1c00; i++) esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i, 0); /* set some sane defaults */ for (i = 0; i < ESA_NUM_VOICES; i++) { vc = &sc->voice[i]; vc->play.data_offset = ESA_DAC_DATA + (data_bytes * i); vc->rec.data_offset = ESA_DAC_DATA + (data_bytes * i * 2); } esa_enable_interrupts(sc); bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, reset_state | ESA_REGB_ENABLE_RESET); return (0); } void esa_config(struct esa_softc *sc) { bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh = sc->sc_ioh; pcitag_t tag = sc->sc_tag; pci_chipset_tag_t pc = sc->sc_pct; u_int32_t data; data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG); data &= ESA_REDUCED_DEBOUNCE; data |= ESA_PM_CTRL_ENABLE | ESA_CLK_DIV_BY_49 | ESA_USE_PCI_TIMING; pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data); bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RESET_ASSP); data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG); data &= ~ESA_INT_CLK_SELECT; if (sc->type == ESS_MAESTRO3) { data &= ~ESA_INT_CLK_MULT_ENABLE; data |= ESA_INT_CLK_SRC_NOT_PCI; } data &= ~(ESA_CLK_MULT_MODE_SELECT | ESA_CLK_MULT_MODE_SELECT_2); pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data); if (sc->type == ESS_ALLEGRO1) { data = pci_conf_read(pc, tag, ESA_PCI_USER_CONFIG); data |= ESA_IN_CLK_12MHZ_SELECT; pci_conf_write(pc, tag, ESA_PCI_USER_CONFIG, data); } data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_A); data &= ~(ESA_DSP_CLK_36MHZ_SELECT | ESA_ASSP_CLK_49MHZ_SELECT); data |= ESA_ASSP_CLK_49MHZ_SELECT; /* XXX: Assumes 49MHz DSP */ data |= ESA_ASSP_0_WS_ENABLE; bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_A, data); bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RUN_ASSP); return; } u_int8_t esa_assp_halt(struct esa_softc *sc) { bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh = sc->sc_ioh; u_int8_t data, reset_state; data = bus_space_read_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B); reset_state = data & ~ESA_REGB_STOP_CLOCK; delay(10000); /* XXX use tsleep */ bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, reset_state & ~ESA_REGB_ENABLE_RESET); delay(10000); /* XXX use tsleep */ return (reset_state); } void esa_codec_reset(struct esa_softc *sc) { bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh = sc->sc_ioh; u_int16_t data, dir; int retry = 0; do { data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION); dir = data | 0x10; /* assuming pci bus master? */ /* remote codec config */ data = bus_space_read_2(iot, ioh, ESA_RING_BUS_CTRL_B); bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_B, data & ~ESA_SECOND_CODEC_ID_MASK); data = bus_space_read_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL); bus_space_write_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL, data & ~ESA_COMMAND_ADDR_OUT); data = bus_space_read_2(iot, ioh, ESA_SDO_IN_DEST_CTRL); bus_space_write_2(iot, ioh, ESA_SDO_IN_DEST_CTRL, data & ~ESA_STATUS_ADDR_IN); bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A, ESA_IO_SRAM_ENABLE); delay(20); bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, dir & ~ESA_GPO_PRIMARY_AC97); bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~ESA_GPO_PRIMARY_AC97); bus_space_write_2(iot, ioh, ESA_GPIO_DATA, 0); bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, dir | ESA_GPO_PRIMARY_AC97); delay(sc->delay1 * 1000); bus_space_write_2(iot, ioh, ESA_GPIO_DATA, ESA_GPO_PRIMARY_AC97); delay(5); bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A, ESA_IO_SRAM_ENABLE | ESA_SERIAL_AC_LINK_ENABLE); bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0); delay(sc->delay2 * 1000); esa_read_codec(sc, 0x7c, &data); if ((data == 0) || (data == 0xffff)) { retry++; if (retry > 3) { printf("%s: esa_codec_reset: failed\n", sc->sc_dev.dv_xname); break; } printf("%s: esa_codec_reset: retrying\n", sc->sc_dev.dv_xname); } else retry = 0; } while (retry); return; } int esa_amp_enable(struct esa_softc *sc) { bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh = sc->sc_ioh; u_int32_t gpo, polarity_port, polarity; u_int16_t data; switch (sc->type) { case ESS_ALLEGRO1: polarity_port = 0x1800; break; case ESS_MAESTRO3: polarity_port = 0x1100; break; default: printf("%s: esa_amp_enable: Unknown chip type!!!\n", sc->sc_dev.dv_xname); return (1); } gpo = (polarity_port >> 8) & 0x0f; polarity = polarity_port >> 12; polarity = !polarity; /* Enable */ polarity = polarity << gpo; gpo = 1 << gpo; bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~gpo); data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION); bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, data | gpo); data = ESA_GPO_SECONDARY_AC97 | ESA_GPO_PRIMARY_AC97 | polarity; bus_space_write_2(iot, ioh, ESA_GPIO_DATA, data); bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0); return (0); } void esa_enable_interrupts(struct esa_softc *sc) { bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh = sc->sc_ioh; u_int8_t data; bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, ESA_ASSP_INT_ENABLE | ESA_HV_INT_ENABLE); data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_C); bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_C, data | ESA_ASSP_HOST_INT_ENABLE); } /* * List management */ int esa_add_list(struct esa_voice *vc, struct esa_list *el, u_int16_t val, int index) { struct esa_softc *sc = (struct esa_softc *)vc->parent; el->indexmap[index] = el->currlen; esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, el->mem_addr + el->currlen, val); return (el->currlen++); } void esa_remove_list(struct esa_voice *vc, struct esa_list *el, int index) { struct esa_softc *sc = (struct esa_softc *)vc->parent; u_int16_t val; int lastindex = el->currlen - 1; int vindex = el->indexmap[index]; int i; /* reset our virtual index */ el->indexmap[index] = -1; if (vindex != lastindex) { val = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, el->mem_addr + lastindex); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, el->mem_addr + vindex, val); for (i = 0; i < ESA_NUM_VOICES * 2; i++) if (el->indexmap[i] == lastindex) break; if (i >= ESA_NUM_VOICES * 2) printf("%s: esa_remove_list: invalid task index\n", sc->sc_dev.dv_xname); else el->indexmap[i] = vindex; } esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, el->mem_addr + lastindex, 0); el->currlen--; return; } int esa_activate(struct device *self, int act) { struct esa_softc *sc = (struct esa_softc *)self; switch (act) { case DVACT_SUSPEND: esa_suspend(sc); break; case DVACT_RESUME: esa_resume(sc); break; } return 0; } void esa_suspend(struct esa_softc *sc) { bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh = sc->sc_ioh; int i, index; index = 0; bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 0); bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_C, 0); esa_assp_halt(sc); /* Save ASSP state */ for (i = ESA_REV_B_CODE_MEMORY_BEGIN; i <= ESA_REV_B_CODE_MEMORY_END; i++) sc->savemem[index++] = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, i); for (i = ESA_REV_B_DATA_MEMORY_BEGIN; i <= ESA_REV_B_DATA_MEMORY_END; i++) sc->savemem[index++] = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i); } void esa_resume(struct esa_softc *sc) { bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh = sc->sc_ioh; int i, index; u_int8_t reset_state; index = 0; esa_config(sc); reset_state = esa_assp_halt(sc); esa_codec_reset(sc); /* restore ASSP */ for (i = ESA_REV_B_CODE_MEMORY_BEGIN; i <= ESA_REV_B_CODE_MEMORY_END; i++) esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, i, sc->savemem[index++]); for (i = ESA_REV_B_DATA_MEMORY_BEGIN; i <= ESA_REV_B_DATA_MEMORY_END; i++) esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i, sc->savemem[index++]); esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_DMA_ACTIVE, 0); bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, reset_state | ESA_REGB_ENABLE_RESET); esa_enable_interrupts(sc); esa_amp_enable(sc); } u_int32_t esa_get_pointer(struct esa_softc *sc, struct esa_channel *ch) { u_int16_t hi = 0, lo = 0; u_int32_t addr; int data_offset = ch->data_offset; hi = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset + ESA_CDATA_HOST_SRC_CURRENTH); lo = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset + ESA_CDATA_HOST_SRC_CURRENTL); addr = lo | ((u_int32_t)hi << 16); return (addr - ch->start); }