1 files changed, 138 insertions, 0 deletions
diff --git a/sys/dev/pci/esavar.h b/sys/dev/pci/esavar.h
new file mode 100644
index 00000000000..eff4a9ac62c
--- /dev/null
+++ b/sys/dev/pci/esavar.h
@@ -0,0 +1,138 @@
+/* $OpenBSD: esavar.h,v 1.1 2002/04/08 01:47:33 frantzen Exp $ */
+/* $NetBSD: esavar.h,v 1.4 2002/03/16 14:34:01 jmcneill Exp $ */
+
+/*
+ * Copyright (c) 2001, 2002 Jared D. McNeill <jmcneill@invisible.yi.org>
+ * 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.
+ */
+
+/*
+ * ESS Allegro-1 / Maestro3 Audio Driver
+ * 
+ * Based on the FreeBSD maestro3 driver
+ *
+ */
+
+/*
+ * Number of simultaneous voices
+ *
+ * NOTE: The current code attaches audio0 thru audioESA_NUM_VOICES-1
+ *       to this driver, and a lot of people probably don't want that.
+ *       So, we'll default to 1 but we'll allow for the possibility of
+ *       more.
+ *
+ * The current MINISRC image limits us to a maximum of 4 simultaneous voices.
+ */
+#ifndef ESA_NUM_VOICES
+#define	ESA_NUM_VOICES		1
+#endif
+
+#define KERNADDR(p)	((void *)((p)->addr))
+#define	DMAADDR(p)	((p)->map->dm_segs[0].ds_addr)
+
+#define ESA_MINRATE	8000
+#define ESA_MAXRATE	48000
+
+struct esa_list {
+	int			currlen;
+	int			mem_addr;
+	int			max;
+	int			indexmap[ESA_NUM_VOICES * 2];
+};
+
+struct esa_dma {
+	bus_dmamap_t		map;
+	caddr_t			addr;
+	bus_dma_segment_t	segs[1];
+	int			nsegs;
+	size_t			size;
+	struct esa_dma		*next;
+};
+
+struct esa_channel {
+	int			active;
+	int			data_offset;
+	int			index;
+	size_t			bufsize;
+	int			blksize;
+	int			pos;
+	void			*buf;
+	u_int32_t		start;
+	u_int32_t		count;
+
+	/* mode settings */
+	struct audio_params	mode;
+	
+	void			(*intr)(void *);
+	void			*arg;
+};
+
+struct esa_voice {
+	struct device		*parent;	/* pointer to our parent */
+	struct esa_channel	play;
+	struct esa_channel	rec;
+	struct esa_dma		*dma;
+	int			inlist;
+	int			index;	/* 0: play, 1: record */
+};
+
+struct esa_softc
+{
+	struct device		sc_dev;
+	bus_space_tag_t		sc_iot;
+	bus_space_handle_t	sc_ioh;
+	bus_addr_t		sc_iob;
+	bus_size_t		sc_ios;
+
+	pcitag_t		sc_tag;
+	pci_chipset_tag_t	sc_pct;
+	bus_dma_tag_t		sc_dmat;
+	pcireg_t		sc_pcireg;
+
+	void			*sc_ih;
+
+	struct ac97_codec_if	*codec_if;
+	struct ac97_host_if	host_if;
+	enum ac97_host_flags	codec_flags;
+
+	struct device		*sc_audiodev[ESA_NUM_VOICES];
+
+	struct esa_voice	voice[ESA_NUM_VOICES];
+	struct esa_dma		*sc_dmas;
+	int			count;
+
+	/* timer management */
+	int			sc_ntimers;
+
+	/* packed list structures */
+	struct esa_list		mixer_list;
+	struct esa_list		adc1_list;
+	struct esa_list		dma_list;
+	struct esa_list		msrc_list;
+
+	int			type;		/* Allegro-1 or Maestro 3? */
+	int			delay1, delay2;
+
+	void			*powerhook;
+	u_int16_t		*savemem;
+};