ati ixp audio; ported form ntbsd in <4h of boretime; testing by krw@ and ian@

1 files changed, 121 insertions, 0 deletions

diff --git a/sys/dev/pci/auixpvar.h b/sys/dev/pci/auixpvar.h
new file mode 100644
index 00000000000..348ece9d050
--- /dev/null
+++ b/sys/dev/pci/auixpvar.h
@@ -0,0 +1,121 @@
+/* $OpenBSD: auixpvar.h,v 1.1 2005/08/07 20:08:45 mickey Exp $ */
+/* $NetBSD: auixpvar.h,v 1.3 2005/01/12 15:54:34 kent Exp $*/
+
+/*
+ * Copyright (c) 2004, 2005 Reinoud Zandijk <reinoud@netbsd.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.
+ * 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 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.
+ */
+
+
+/*
+ * NetBSD audio driver for ATI IXP-{150,200,...} audio driver hardware.
+ */
+
+#define DMA_DESC_CHAIN	255
+
+/* audio format structure describing our hardware capabilities */
+/* XXX min and max sample rates are for AD1888 codec XXX */
+#define AUIXP_NFORMATS 6
+
+#define AUIXP_MINRATE  7000
+#define AUIXP_MAXRATE 48000
+
+/* auixp structures; used to record alloced DMA space */
+struct auixp_dma {
+	/* bus mappings */
+	bus_dmamap_t		 map;
+	caddr_t			 addr;
+	bus_dma_segment_t	 segs[1];
+	int			 nsegs;
+	size_t			 size;
+
+	/* audio feeder */
+	void			 (*intr)(void *);
+	void			*intrarg;
+
+	/* status and setup bits */
+	int			 running;
+	u_int32_t		 linkptr;
+	u_int32_t		 dma_enable_bit;
+
+	/* linked list of all mapped area's */
+	SLIST_ENTRY(auixp_dma)	 dma_chain;
+};
+
+struct auixp_codec {
+	struct auixp_softc	*sc;
+
+	int			 present;
+	int			 codec_nr;
+
+	struct ac97_codec_if	*codec_if;
+	struct ac97_host_if	 host_if;
+	enum ac97_host_flags	 codec_flags;
+};
+
+struct auixp_softc {
+	struct device		sc_dev;
+	audio_device_t		sc_audev;
+	void			*sc_ih;
+
+	/* card properties */
+	int			has_4ch, has_6ch, is_fixed, has_spdif;
+
+	/* bus tags */
+	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;
+
+	/* DMA business */
+	struct auixp_dma	*sc_output_dma;
+	struct auixp_dma	*sc_input_dma;
+
+	/* list of allocated DMA pieces */
+	SLIST_HEAD(auixp_dma_list, auixp_dma) sc_dma_list;
+
+	/* codecs */
+	int			sc_num_codecs;
+	struct auixp_codec	sc_codec[ATI_IXP_CODECS];
+	int			sc_codec_not_ready_bits;
+
+	/* last set audio parameters */
+	struct audio_params	sc_play_params;
+	struct audio_params	sc_rec_params;
+
+	/* suspend/resume */
+	void			*powerhook;
+	u_int16_t		*savemem;
+};