1 /* $NetBSD: auixpvar.h,v 1.11 2021/08/20 20:25:28 andvar Exp $*/ 2 3 /* 4 * Copyright (c) 2004, 2005 Reinoud Zandijk <reinoud@netbsd.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. The name of the author may not be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 20 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 21 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 22 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 29 /* 30 * NetBSD audio driver for ATI IXP-{150,200,...} audio driver hardware. 31 */ 32 33 #define DMA_DESC_CHAIN 255 34 35 36 /* audio format structure describing our hardware capabilities */ 37 /* XXX min and max sample rates are for AD1888 codec XXX */ 38 #define AUIXP_NFORMATS 3 39 40 41 #define AUIXP_MINRATE 7000 42 #define AUIXP_MAXRATE 48000 43 44 45 /* auixp structures; used to record alloced DMA space */ 46 struct auixp_dma { 47 /* bus mappings */ 48 bus_dmamap_t map; 49 void * addr; 50 bus_dma_segment_t segs[1]; 51 int nsegs; 52 size_t size; 53 54 /* audio feeder */ 55 void (*intr)(void *); /* function to call when there is space */ 56 void *intrarg; 57 58 /* status and setup bits */ 59 int running; 60 uint32_t linkptr; 61 uint32_t dma_enable_bit; 62 63 /* linked list of all mapped area's */ 64 SLIST_ENTRY(auixp_dma) dma_chain; 65 }; 66 67 68 struct auixp_codec { 69 struct auixp_softc *sc; 70 71 int present; 72 int codec_nr; 73 74 struct ac97_codec_if *codec_if; 75 struct ac97_host_if host_if; 76 enum ac97_host_flags codec_flags; 77 }; 78 79 80 struct auixp_softc { 81 device_t sc_dev; 82 kmutex_t sc_lock; 83 kmutex_t sc_intr_lock; 84 85 /* card id */ 86 int type; 87 int delay1, delay2; /* necessary? */ 88 89 /* card properties */ 90 int has_4ch, has_6ch, is_fixed, has_spdif; 91 92 /* bus tags */ 93 bus_space_tag_t sc_iot; 94 bus_space_handle_t sc_ioh; 95 bus_addr_t sc_iob; 96 bus_size_t sc_ios; 97 98 pcitag_t sc_tag; 99 pci_chipset_tag_t sc_pct; 100 101 bus_dma_tag_t sc_dmat; 102 103 /* interrupts */ 104 void *sc_ih; 105 106 /* DMA business */ 107 struct auixp_dma *sc_output_dma; /* contains dma-safe chain */ 108 struct auixp_dma *sc_input_dma; 109 110 /* list of allocated DMA pieces */ 111 SLIST_HEAD(auixp_dma_list, auixp_dma) sc_dma_list; 112 113 /* audio formats supported */ 114 struct audio_format sc_formats[AUIXP_NFORMATS]; 115 116 /* codecs */ 117 int sc_num_codecs; 118 struct auixp_codec sc_codec[ATI_IXP_CODECS]; 119 int sc_codec_not_ready_bits; 120 121 /* last set audio parameters */ 122 struct audio_params sc_play_params; 123 struct audio_params sc_rec_params; 124 }; 125 126 127