1 /* $OpenBSD: auixpvar.h,v 1.4 2016/09/19 06:46:44 ratchov Exp $ */ 2 /* $NetBSD: auixpvar.h,v 1.3 2005/01/12 15:54:34 kent Exp $*/ 3 4 /* 5 * Copyright (c) 2004, 2005 Reinoud Zandijk <reinoud@netbsd.org> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the NetBSD 18 * Foundation, Inc. and its contributors. 19 * 4. Neither the name of The NetBSD Foundation nor the names of its 20 * contributors may be used to endorse or promote products derived 21 * from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 28 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 29 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 30 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 31 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 37 /* 38 * NetBSD audio driver for ATI IXP-{150,200,...} audio driver hardware. 39 */ 40 41 #define DMA_DESC_CHAIN 255 42 43 /* audio format structure describing our hardware capabilities */ 44 /* XXX min and max sample rates are for AD1888 codec XXX */ 45 #define AUIXP_NFORMATS 6 46 47 #define AUIXP_MINRATE 7000 48 #define AUIXP_MAXRATE 48000 49 50 /* auixp structures; used to record alloced DMA space */ 51 struct auixp_dma { 52 /* bus mappings */ 53 bus_dmamap_t map; 54 caddr_t addr; 55 bus_dma_segment_t segs[1]; 56 int nsegs; 57 size_t size; 58 59 /* audio feeder */ 60 void (*intr)(void *); 61 void *intrarg; 62 63 /* status and setup bits */ 64 int running; 65 u_int32_t linkptr; 66 u_int32_t dma_enable_bit; 67 68 /* linked list of all mapped area's */ 69 SLIST_ENTRY(auixp_dma) dma_chain; 70 }; 71 72 struct auixp_codec { 73 struct auixp_softc *sc; 74 75 int present; 76 int codec_nr; 77 78 struct ac97_codec_if *codec_if; 79 struct ac97_host_if host_if; 80 enum ac97_host_flags codec_flags; 81 }; 82 83 struct auixp_softc { 84 struct device sc_dev; 85 void *sc_ih; 86 87 /* card properties */ 88 int has_4ch, has_6ch, is_fixed, has_spdif; 89 90 /* bus tags */ 91 bus_space_tag_t sc_iot; 92 bus_space_handle_t sc_ioh; 93 bus_addr_t sc_iob; 94 bus_size_t sc_ios; 95 96 pcitag_t sc_tag; 97 pci_chipset_tag_t sc_pct; 98 99 bus_dma_tag_t sc_dmat; 100 101 /* DMA business */ 102 struct auixp_dma *sc_output_dma; 103 struct auixp_dma *sc_input_dma; 104 105 /* list of allocated DMA pieces */ 106 SLIST_HEAD(auixp_dma_list, auixp_dma) sc_dma_list; 107 108 /* codec */ 109 struct auixp_codec sc_codec; 110 int sc_codec_not_ready_bits; 111 112 /* last set audio parameters */ 113 struct audio_params sc_play_params; 114 struct audio_params sc_rec_params; 115 }; 116