cs4231var.h revision 1.9
1 1.9 christos /* $NetBSD: cs4231var.h,v 1.9 2011/06/02 00:23:28 christos Exp $ */ 2 1.1 mrg 3 1.1 mrg /*- 4 1.1 mrg * Copyright (c) 1998, 1999 The NetBSD Foundation, Inc. 5 1.1 mrg * All rights reserved. 6 1.1 mrg * 7 1.1 mrg * This code is derived from software contributed to The NetBSD Foundation 8 1.1 mrg * by Paul Kranenburg. 9 1.1 mrg * 10 1.1 mrg * Redistribution and use in source and binary forms, with or without 11 1.1 mrg * modification, are permitted provided that the following conditions 12 1.1 mrg * are met: 13 1.1 mrg * 1. Redistributions of source code must retain the above copyright 14 1.1 mrg * notice, this list of conditions and the following disclaimer. 15 1.1 mrg * 2. Redistributions in binary form must reproduce the above copyright 16 1.1 mrg * notice, this list of conditions and the following disclaimer in the 17 1.1 mrg * documentation and/or other materials provided with the distribution. 18 1.1 mrg * 19 1.1 mrg * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.1 mrg * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.1 mrg * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.1 mrg * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.1 mrg * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.1 mrg * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.1 mrg * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.1 mrg * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.1 mrg * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.1 mrg * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.1 mrg * POSSIBILITY OF SUCH DAMAGE. 30 1.1 mrg */ 31 1.1 mrg 32 1.2 uwe #ifndef _DEV_IC_CS4231VAR_H_ 33 1.2 uwe #define _DEV_IC_CS4231VAR_H_ 34 1.2 uwe 35 1.2 uwe #define AUDIOCS_PROM_NAME "SUNW,CS4231" 36 1.2 uwe 37 1.2 uwe /* 38 1.2 uwe * List of device memory allocations (see cs4231_malloc/cs4231_free). 39 1.2 uwe */ 40 1.2 uwe struct cs_dma { 41 1.2 uwe struct cs_dma *next; 42 1.7 christos void * addr; 43 1.2 uwe bus_dmamap_t dmamap; 44 1.2 uwe bus_dma_segment_t segs[1]; 45 1.2 uwe int nsegs; 46 1.2 uwe size_t size; 47 1.2 uwe }; 48 1.2 uwe 49 1.2 uwe 50 1.2 uwe /* 51 1.2 uwe * DMA transfer to/from CS4231. 52 1.2 uwe */ 53 1.2 uwe struct cs_transfer { 54 1.2 uwe int t_active; /* this transfer is currently active */ 55 1.2 uwe struct cs_dma *t_dma; /* dma memory to transfer from/to */ 56 1.2 uwe vsize_t t_segsz; /* size of the segment */ 57 1.2 uwe vsize_t t_blksz; /* call audio(9) after this many bytes */ 58 1.2 uwe vsize_t t_cnt; /* how far are we into the segment */ 59 1.2 uwe 60 1.2 uwe void (*t_intr)(void*); /* audio(9) callback */ 61 1.2 uwe void *t_arg; 62 1.2 uwe 63 1.2 uwe const char *t_name; /* for error/debug messages */ 64 1.2 uwe 65 1.2 uwe struct evcnt t_intrcnt; 66 1.2 uwe struct evcnt t_ierrcnt; 67 1.2 uwe }; 68 1.2 uwe 69 1.2 uwe 70 1.1 mrg /* 71 1.1 mrg * Software state, per CS4231 audio chip. 72 1.1 mrg */ 73 1.1 mrg struct cs4231_softc { 74 1.1 mrg struct ad1848_softc sc_ad1848; /* base device */ 75 1.2 uwe 76 1.1 mrg bus_space_tag_t sc_bustag; 77 1.2 uwe bus_dma_tag_t sc_dmatag; 78 1.2 uwe 79 1.2 uwe struct cs_dma *sc_dmas; /* allocated dma resources */ 80 1.2 uwe 81 1.2 uwe struct evcnt sc_intrcnt; /* parent counter */ 82 1.1 mrg 83 1.2 uwe struct cs_transfer sc_playback; 84 1.2 uwe struct cs_transfer sc_capture; 85 1.1 mrg }; 86 1.1 mrg 87 1.2 uwe 88 1.2 uwe /* 89 1.2 uwe * Bus independent code shared by sbus and ebus attachments. 90 1.2 uwe */ 91 1.9 christos void cs4231_common_attach(struct cs4231_softc *, device_t, 92 1.9 christos bus_space_handle_t); 93 1.2 uwe int cs4231_transfer_init(struct cs4231_softc *, struct cs_transfer *, 94 1.2 uwe bus_addr_t *, bus_size_t *, 95 1.2 uwe void *, void *, int, void (*)(void *), void *); 96 1.2 uwe void cs4231_transfer_advance(struct cs_transfer *, 97 1.2 uwe bus_addr_t *, bus_size_t *); 98 1.2 uwe 99 1.2 uwe 100 1.2 uwe /* 101 1.2 uwe * Bus independent audio(9) methods. 102 1.2 uwe */ 103 1.2 uwe int cs4231_open(void *, int); 104 1.2 uwe void cs4231_close(void *); 105 1.2 uwe int cs4231_getdev(void *, struct audio_device *); 106 1.2 uwe int cs4231_set_port(void *, mixer_ctrl_t *); 107 1.2 uwe int cs4231_get_port(void *, mixer_ctrl_t *); 108 1.2 uwe int cs4231_query_devinfo(void *, mixer_devinfo_t *); 109 1.2 uwe int cs4231_get_props(void *); 110 1.2 uwe 111 1.3 martin void *cs4231_malloc(void *, int, size_t, struct malloc_type *, int); 112 1.3 martin void cs4231_free(void *, void *, struct malloc_type *); 113 1.2 uwe 114 1.2 uwe #endif /* _DEV_IC_CS4231VAR_H_ */ 115
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