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[src/trunk]: src/sys/dev/pci Device driver for the built-in audio on Intel IC...
details: https://anonhg.NetBSD.org/src/rev/cecf78d5d724
branches: trunk
changeset: 499737:cecf78d5d724
user: thorpej <thorpej%NetBSD.org@localhost>
date: Tue Nov 28 05:12:29 2000 +0000
description:
Device driver for the built-in audio on Intel ICH, ICH0, ICH2,
and i440MX chipsets. Based on a driver by Michael Shalayeff,
modified somewhat by me to use bus_dma properly, and fix some
audio encoding emulation bugs.
Thanks to Manuel Bouyer for testing and feedback.
diffstat:
sys/dev/pci/auich.c | 1121 ++++++++++++++++++++++++++++++++++++++++++++++++
sys/dev/pci/auichreg.h | 147 ++++++
sys/dev/pci/files.pci | 7 +-
3 files changed, 1274 insertions(+), 1 deletions(-)
diffs (truncated from 1297 to 300 lines):
diff -r 04a5b4872c94 -r cecf78d5d724 sys/dev/pci/auich.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/dev/pci/auich.c Tue Nov 28 05:12:29 2000 +0000
@@ -0,0 +1,1121 @@
+/* $NetBSD: auich.c,v 1.1 2000/11/28 05:12:29 thorpej Exp $ */
+
+/*-
+ * Copyright (c) 2000 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Jason R. Thorpe.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the NetBSD
+ * Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
+ */
+
+/*
+ * Copyright (c) 2000 Michael Shalayeff
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. 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 OR HIS RELATIVES 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 MIND, 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.
+ *
+ * from OpenBSD: ich.c,v 1.3 2000/08/11 06:17:18 mickey Exp
+ */
+
+/* #define ICH_DEBUG */
+/*
+ * AC'97 audio found on Intel 810/820/440MX chipsets.
+ * http://developer.intel.com/design/chipsets/datashts/290655.htm
+ * http://developer.intel.com/design/chipsets/manuals/298028.htm
+ *
+ * TODO:
+ *
+ * - Probe codecs for supported sample rates.
+ *
+ * - Add support for the microphone input.
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/malloc.h>
+#include <sys/device.h>
+#include <sys/fcntl.h>
+#include <sys/proc.h>
+
+#include <uvm/uvm_extern.h> /* for PAGE_SIZE */
+
+#include <dev/pci/pcidevs.h>
+#include <dev/pci/pcivar.h>
+#include <dev/pci/auichreg.h>
+
+#include <sys/audioio.h>
+#include <dev/audio_if.h>
+#include <dev/mulaw.h>
+#include <dev/auconv.h>
+
+#include <machine/bus.h>
+
+#include <dev/ic/ac97var.h>
+
+struct auich_dma {
+ bus_dmamap_t map;
+ caddr_t addr;
+ bus_dma_segment_t segs[1];
+ int nsegs;
+ size_t size;
+ struct auich_dma *next;
+};
+
+#define DMAADDR(p) ((p)->map->dm_segs[0].ds_addr)
+#define KERNADDR(p) ((void *)((p)->addr))
+
+struct auich_cdata {
+ struct auich_dmalist ic_dmalist_pcmo[ICH_DMALIST_MAX];
+ struct auich_dmalist ic_dmalist_pcmi[ICH_DMALIST_MAX];
+ struct auich_dmalist ic_dmalist_mici[ICH_DMALIST_MAX];
+};
+
+#define ICH_CDOFF(x) offsetof(struct auich_cdata, x)
+#define ICH_PCMO_OFF(x) ICH_CDOFF(ic_dmalist_pcmo[(x)])
+#define ICH_PCMI_OFF(x) ICH_CDOFF(ic_dmalist_pcmi[(x)])
+#define ICH_MICI_OFF(x) ICH_CDOFF(ic_dmalist_mici[(x)])
+
+struct auich_softc {
+ struct device sc_dev;
+ void *sc_ih;
+
+ audio_device_t sc_audev;
+
+ bus_space_tag_t iot;
+ bus_space_handle_t mix_ioh;
+ bus_space_handle_t aud_ioh;
+ bus_dma_tag_t dmat;
+
+ struct ac97_codec_if *codec_if;
+ struct ac97_host_if host_if;
+
+ /* DMA scatter-gather lists. */
+ bus_dmamap_t sc_cddmamap;
+#define sc_cddma sc_cddmamap->dm_segs[0].ds_addr
+
+ struct auich_cdata *sc_cdata;
+#define dmalist_pcmo sc_cdata->ic_dmalist_pcmo
+#define dmalist_pcmi sc_cdata->ic_dmalist_pcmi
+#define dmalist_mici sc_cdata->ic_dmalist_mici
+
+ int ptr_pcmo,
+ ptr_pcmi,
+ ptr_mici;
+
+ /* i/o buffer pointers */
+ u_int32_t pcmo_start, pcmo_p, pcmo_end;
+ int pcmo_blksize, pcmo_fifoe;
+
+ u_int32_t pcmi_start, pcmi_p, pcmi_end;
+ int pcmi_blksize, pcmi_fifoe;
+
+ u_int32_t mici_start, mici_p, mici_end;
+ int mici_blksize, mici_fifoe;
+
+ struct auich_dma *sc_dmas;
+
+ void (*sc_pintr)(void *);
+ void *sc_parg;
+
+ void (*sc_rintr)(void *);
+ void *sc_rarg;
+};
+
+/* Debug */
+#ifdef AUDIO_DEBUG
+#define DPRINTF(l,x) do { if (auich_debug & (l)) printf x; } while(0)
+int auich_debug = 0xfffe;
+#define ICH_DEBUG_CODECIO 0x0001
+#define ICH_DEBUG_DMA 0x0002
+#define ICH_DEBUG_PARAM 0x0004
+#else
+#define DPRINTF(x,y) /* nothing */
+#endif
+
+int auich_match(struct device *, struct cfdata *, void *);
+void auich_attach(struct device *, struct device *, void *);
+int auich_intr(void *);
+
+struct cfattach auich_ca = {
+ sizeof(struct auich_softc), auich_match, auich_attach
+};
+
+int auich_open(void *, int);
+void auich_close(void *);
+int auich_query_encoding(void *, struct audio_encoding *);
+int auich_set_params(void *, int, int, struct audio_params *,
+ struct audio_params *);
+int auich_round_blocksize(void *, int);
+int auich_halt_output(void *);
+int auich_halt_input(void *);
+int auich_getdev(void *, struct audio_device *);
+int auich_set_port(void *, mixer_ctrl_t *);
+int auich_get_port(void *, mixer_ctrl_t *);
+int auich_query_devinfo(void *, mixer_devinfo_t *);
+void *auich_allocm(void *, int, size_t, int, int);
+void auich_freem(void *, void *, int);
+size_t auich_round_buffersize(void *, int, size_t);
+paddr_t auich_mappage(void *, void *, off_t, int);
+int auich_get_props(void *);
+int auich_trigger_output(void *, void *, void *, int, void (*)(void *),
+ void *, struct audio_params *);
+int auich_trigger_input(void *, void *, void *, int, void (*)(void *),
+ void *, struct audio_params *);
+
+int auich_alloc_cdata(struct auich_softc *);
+
+int auich_allocmem(struct auich_softc *, size_t, size_t,
+ struct auich_dma *);
+int auich_freemem(struct auich_softc *, struct auich_dma *);
+
+struct audio_hw_if auich_hw_if = {
+ auich_open,
+ auich_close,
+ NULL, /* drain */
+ auich_query_encoding,
+ auich_set_params,
+ auich_round_blocksize,
+ NULL, /* commit_setting */
+ NULL, /* init_output */
+ NULL, /* init_input */
+ NULL, /* start_output */
+ NULL, /* start_input */
+ auich_halt_output,
+ auich_halt_input,
+ NULL, /* speaker_ctl */
+ auich_getdev,
+ NULL, /* getfd */
+ auich_set_port,
+ auich_get_port,
+ auich_query_devinfo,
+ auich_allocm,
+ auich_freem,
+ auich_round_buffersize,
+ auich_mappage,
+ auich_get_props,
+ auich_trigger_output,
+ auich_trigger_input,
+};
+
+int auich_attach_codec(void *, struct ac97_codec_if *);
+int auich_read_codec(void *, u_int8_t, u_int16_t *);
+int auich_write_codec(void *, u_int8_t, u_int16_t);
+void auich_reset_codec(void *);
+
+static const struct auich_devtype {
+ int product;
+ const char *name;
+ const char *shortname;
+} auich_devices[] = {
+ { PCI_PRODUCT_INTEL_82801AA_ACA,
+ "i82801AA (ICH) AC-97 Audio", "ICH" },
+ { PCI_PRODUCT_INTEL_82801AB_ACA,
+ "i82801AB (ICH0) AC-97 Audio", "ICH0" },
+ { PCI_PRODUCT_INTEL_82801BA_ACA,
+ "i82801BA (ICH2) AC-97 Audio", "ICH2" },
+ { PCI_PRODUCT_INTEL_82440MX_ACA,
+ "i82440MX AC-97 Audio", "440MX" },
+
+ { 0,
+ NULL, NULL },
+};
+
+static const struct auich_devtype *
+auich_lookup(struct pci_attach_args *pa)
+{
+ const struct auich_devtype *d;
+
+ if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_INTEL)
+ return (NULL);
+
+ for (d = auich_devices; d->name != NULL; d++) {
+ if (PCI_PRODUCT(pa->pa_id) == d->product)
+ return (d);
+ }
+
+ return (NULL);
+}
+
+int
+auich_match(struct device *parent, struct cfdata *match, void *aux)
+{
+ struct pci_attach_args *pa = aux;
+
+ if (auich_lookup(pa) != NULL)
+ return (1);
+
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