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[src/trunk]: src/sys/dev split sbus audiocs code up so we can share it with t...
details: https://anonhg.NetBSD.org/src/rev/c6c1030fcb04
branches: trunk
changeset: 473489:c6c1030fcb04
user: mrg <mrg%NetBSD.org@localhost>
date: Sat Jun 05 14:29:10 1999 +0000
description:
split sbus audiocs code up so we can share it with the ebus. XXX ebus DMA is probably different.
diffstat:
sys/dev/ic/apcdmareg.h | 111 +++++
sys/dev/ic/cs4231.c | 825 ++++++++++++++++++++++++++++++++++++++++
sys/dev/ic/cs4231var.h | 71 +++
sys/dev/sbus/cs4231_sbus.c | 928 +--------------------------------------------
sys/dev/sbus/files.sbus | 7 +-
5 files changed, 1022 insertions(+), 920 deletions(-)
diffs (truncated from 2012 to 300 lines):
diff -r 0996e77eedbc -r c6c1030fcb04 sys/dev/ic/apcdmareg.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/dev/ic/apcdmareg.h Sat Jun 05 14:29:10 1999 +0000
@@ -0,0 +1,111 @@
+/* $NetBSD: apcdmareg.h,v 1.1 1999/06/05 14:29:10 mrg Exp $ */
+
+/*-
+ * Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Paul Kranenburg.
+ *
+ * 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.
+ */
+
+/*
+ * APC DMA hardware; from SunOS header
+ * Thanks to Derrick J. Brashear for additional info on the
+ * meaning of some of these bits.
+ */
+struct apc_dma {
+ volatile u_int32_t dmacsr; /* APC CSR */
+ volatile u_int32_t lpad[3]; /* */
+ volatile u_int32_t dmacva; /* Capture Virtual Address */
+ volatile u_int32_t dmacc; /* Capture Count */
+ volatile u_int32_t dmacnva; /* Capture Next Virtual Address */
+ volatile u_int32_t dmacnc; /* Capture next count */
+ volatile u_int32_t dmapva; /* Playback Virtual Address */
+ volatile u_int32_t dmapc; /* Playback Count */
+ volatile u_int32_t dmapnva; /* Playback Next VAddress */
+ volatile u_int32_t dmapnc; /* Playback Next Count */
+};
+
+/*
+ * APC CSR Register bit definitions
+ */
+#define APC_IP 0x00800000 /* Interrupt Pending */
+#define APC_PI 0x00400000 /* Playback interrupt */
+#define APC_CI 0x00200000 /* Capture interrupt */
+#define APC_EI 0x00100000 /* General interrupt */
+#define APC_IE 0x00080000 /* General ext int. enable */
+#define APC_PIE 0x00040000 /* Playback ext intr */
+#define APC_CIE 0x00020000 /* Capture ext intr */
+#define APC_EIE 0x00010000 /* Error ext intr */
+#define APC_PMI 0x00008000 /* Pipe empty interrupt */
+#define APC_PM 0x00004000 /* Play pipe empty */
+#define APC_PD 0x00002000 /* Playback NVA dirty */
+#define APC_PMIE 0x00001000 /* play pipe empty Int enable */
+#define APC_CM 0x00000800 /* Cap data dropped on floor */
+#define APC_CD 0x00000400 /* Capture NVA dirty */
+#define APC_CMI 0x00000200 /* Capture pipe empty interrupt */
+#define APC_CMIE 0x00000100 /* Cap. pipe empty int enable */
+#define APC_PPAUSE 0x00000080 /* Pause the play DMA */
+#define APC_CPAUSE 0x00000040 /* Pause the capture DMA */
+#define APC_CODEC_PDN 0x00000020 /* CODEC RESET */
+#define PDMA_GO 0x00000008
+#define CDMA_GO 0x00000004 /* bit 2 of the csr */
+#define APC_RESET 0x00000001 /* Reset the chip */
+
+#define APC_BITS \
+ "\20\30IP\27PI\26CI\25EI\24IE" \
+ "\23PIE\22CIE\21EIE\20PMI\17PM\16PD\15PMIE" \
+ "\14CM\13CD\12CMI\11CMIE\10PPAUSE\7CPAUSE\6PDN\4PGO\3CGO"
+
+/*
+ * To start DMA, you write to dma[cp]nva and dma[cp]nc and set [CP]DMA_GO
+ * in dmacsr. dma[cp]va and dma[cp]c, when read, appear to be the live
+ * counter as the DMA operation progresses.
+ * Supposedly, you get an interrupt with the "dirty" bits (APC_PD,APC_CD)
+ * set, when the next DMA buffer can be programmed, while the current one
+ * is still in progress. We don't currently use this feature, since I
+ * haven't been able to make it work.. instead the next buffer goes in
+ * as soon as we see a "pipe empty" (APC_PM) interrupt.
+ */
+
+/* It's not clear if there's a maximum DMA size.. */
+#define APC_MAX (sc->sc_blksz)/*(16*1024)*/
+
+/*
+ * List of device memory allocations (see cs4231_malloc/cs4231_free).
+ */
+struct cs_dma {
+ struct cs_dma *next;
+ caddr_t addr;
+ bus_dma_segment_t segs[1];
+ int nsegs;
+ size_t size;
+};
diff -r 0996e77eedbc -r c6c1030fcb04 sys/dev/ic/cs4231.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/dev/ic/cs4231.c Sat Jun 05 14:29:10 1999 +0000
@@ -0,0 +1,825 @@
+/* $NetBSD: cs4231.c,v 1.1 1999/06/05 14:29:10 mrg Exp $ */
+
+/*-
+ * Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Paul Kranenburg.
+ *
+ * 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.
+ */
+
+#include "audio.h"
+#if NAUDIO > 0
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/errno.h>
+#include <sys/device.h>
+#include <sys/malloc.h>
+
+#include <machine/autoconf.h>
+#include <machine/cpu.h>
+
+#include <sys/audioio.h>
+#include <dev/audio_if.h>
+
+#include <dev/ic/ad1848reg.h>
+#include <dev/ic/cs4231reg.h>
+#include <dev/ic/ad1848var.h>
+#include <dev/ic/cs4231var.h>
+#include <dev/ic/apcdmareg.h>
+
+/*---*/
+#define CSAUDIO_DAC_LVL 0
+#define CSAUDIO_LINE_IN_LVL 1
+#define CSAUDIO_MONO_LVL 2
+#define CSAUDIO_CD_LVL 3
+#define CSAUDIO_MONITOR_LVL 4
+#define CSAUDIO_OUT_LVL 5
+#define CSAUDIO_LINE_IN_MUTE 6
+#define CSAUDIO_DAC_MUTE 7
+#define CSAUDIO_CD_MUTE 8
+#define CSAUDIO_MONO_MUTE 9
+#define CSAUDIO_MONITOR_MUTE 10
+#define CSAUDIO_REC_LVL 11
+#define CSAUDIO_RECORD_SOURCE 12
+
+#define CSAUDIO_INPUT_CLASS 13
+#define CSAUDIO_OUTPUT_CLASS 14
+#define CSAUDIO_RECORD_CLASS 15
+#define CSAUDIO_MONITOR_CLASS 16
+
+#ifdef AUDIO_DEBUG
+int cs4231debug = 0;
+#define DPRINTF(x) if (cs4231debug) printf x
+#else
+#define DPRINTF(x)
+#endif
+
+struct audio_device cs4231_device = {
+ "cs4231",
+ "x",
+ "audio"
+};
+
+
+/*
+ * Define our interface to the higher level audio driver.
+ */
+int cs4231_open __P((void *, int));
+void cs4231_close __P((void *));
+size_t cs4231_round_buffersize __P((void *, int, size_t));
+int cs4231_round_blocksize __P((void *, int));
+int cs4231_halt_output __P((void *));
+int cs4231_halt_input __P((void *));
+int cs4231_getdev __P((void *, struct audio_device *));
+int cs4231_set_port __P((void *, mixer_ctrl_t *));
+int cs4231_get_port __P((void *, mixer_ctrl_t *));
+int cs4231_query_devinfo __P((void *, mixer_devinfo_t *));
+int cs4231_get_props __P((void *));
+
+void *cs4231_malloc __P((void *, int, size_t, int, int));
+void cs4231_free __P((void *, void *, int));
+int cs4231_trigger_output __P((void *, void *, void *, int,
+ void (*)(void *), void *,
+ struct audio_params *));
+int cs4231_trigger_input __P((void *, void *, void *, int,
+ void (*)(void *), void *,
+ struct audio_params *));
+
+#ifdef AUDIO_DEBUG
+static void cs4231_regdump __P((char *, struct cs4231_softc *));
+#endif
+
+int
+cs4231_read(sc, index)
+ struct ad1848_softc *sc;
+ int index;
+{
+ return bus_space_read_1(sc->sc_iot, sc->sc_ioh, (index << 2));
+}
+
+void
+cs4231_write(sc, index, value)
+ struct ad1848_softc *sc;
+ int index, value;
+{
+ bus_space_write_1(sc->sc_iot, sc->sc_ioh, (index << 2), value);
+}
+
+struct audio_hw_if audiocs_hw_if = {
+ cs4231_open,
+ cs4231_close,
+ 0,
+ ad1848_query_encoding,
+ ad1848_set_params,
+ cs4231_round_blocksize,
+ ad1848_commit_settings,
+ 0,
+ 0,
+ NULL,
+ NULL,
+ cs4231_halt_output,
+ cs4231_halt_input,
+ 0,
+ cs4231_getdev,
+ 0,
+ cs4231_set_port,
+ cs4231_get_port,
+ cs4231_query_devinfo,
+ cs4231_malloc,
+ cs4231_free,
+ cs4231_round_buffersize,
+ 0,
+ cs4231_get_props,
+ cs4231_trigger_output,
+ cs4231_trigger_input
+};
+
+
+#ifdef AUDIO_DEBUG
+static void
+cs4231_regdump(label, sc)
+ char *label;
+ struct cs4231_softc *sc;
+{
+ char bits[128];
+ volatile struct apc_dma *dma = sc->sc_dmareg;
+
+ printf("cs4231regdump(%s): regs:", label);
+ printf("dmapva: 0x%x; ", dma->dmapva);
+ printf("dmapc: 0x%x; ", dma->dmapc);
+ printf("dmapnva: 0x%x; ", dma->dmapnva);
+ printf("dmapnc: 0x%x\n", dma->dmapnc);
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