cs428x.h revision 1.3
1 /* $NetBSD: cs428x.h,v 1.3 2001/02/07 14:41:12 tacha Exp $ */ 2 3 /* 4 * Copyright (c) 2000 Tatoku Ogaito. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Tatoku Ogaito 17 * for the NetBSD Project. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* Common functions and variables for CS4280 and CS4281 */ 34 35 #ifndef _CS428X_H_ 36 #define _CS428X_H_ 37 38 #define PCI_BA0 (0x10) 39 #define PCI_BA1 (0x14) 40 41 #define CS428X_SAVE_REG_MAX (0x10) 42 #define TYPE_CS4280 (0x4280) 43 #define TYPE_CS4281 (0x4281) 44 45 #define BA0READ4(sc, r) bus_space_read_4((sc)->ba0t, (sc)->ba0h, (r)) 46 #define BA0WRITE4(sc, r, x) bus_space_write_4((sc)->ba0t, (sc)->ba0h, (r), (x)) 47 48 /* DMA */ 49 struct cs428x_dma { 50 bus_dmamap_t map; 51 caddr_t addr; /* real dma buffer */ 52 caddr_t dum; /* dummy buffer for audio driver */ 53 bus_dma_segment_t segs[1]; 54 int nsegs; 55 size_t size; 56 struct cs428x_dma *next; 57 }; 58 #define DMAADDR(p) ((p)->map->dm_segs[0].ds_addr) 59 #define KERNADDR(p) ((void *)((p)->addr)) /* buffer for real dma */ 60 #define BUFADDR(p) ((void *)((p)->dum)) /* buffer for audio driver */ 61 62 /* 63 * Software state 64 */ 65 struct cs428x_softc { 66 struct device sc_dev; 67 68 pci_intr_handle_t * sc_ih; 69 70 /* I/O (BA0) */ 71 bus_space_tag_t ba0t; 72 bus_space_handle_t ba0h; 73 74 /* BA1 */ 75 bus_space_tag_t ba1t; 76 bus_space_handle_t ba1h; 77 78 /* DMA */ 79 bus_dma_tag_t sc_dmatag; 80 struct cs428x_dma *sc_dmas; 81 size_t dma_size; 82 size_t dma_align; 83 84 int hw_blocksize; 85 int type; 86 87 /* playback */ 88 void (*sc_pintr)(void *); /* dma completion intr handler */ 89 void *sc_parg; /* arg for sc_intr() */ 90 char *sc_ps, *sc_pe, *sc_pn; 91 int sc_pcount; 92 int sc_pi; 93 struct cs428x_dma *sc_pdma; 94 char *sc_pbuf; 95 int (*halt_output)__P((void *)); 96 #ifdef DIAGNOSTIC 97 char sc_prun; 98 #endif 99 100 /* capturing */ 101 void (*sc_rintr)(void *); /* dma completion intr handler */ 102 void *sc_rarg; /* arg for sc_intr() */ 103 char *sc_rs, *sc_re, *sc_rn; 104 int sc_rcount; 105 int sc_ri; 106 struct cs428x_dma *sc_rdma; 107 char *sc_rbuf; 108 int sc_rparam; /* record format */ 109 int (*halt_input)__P((void *)); 110 #ifdef DIAGNOSTIC 111 char sc_rrun; 112 #endif 113 114 /* Although cs4281 does not support midi (yet), 115 * don't remove these definition. 116 */ 117 void (*sc_iintr)(void *, int); /* midi input ready handler */ 118 void (*sc_ointr)(void *); /* midi output ready handler */ 119 void *sc_arg; 120 121 /* 122 * XXX 123 * Actually thease 2 variables are needed only for CS4280. 124 */ 125 u_int32_t pctl; 126 u_int32_t cctl; 127 128 /* AC97 CODEC */ 129 struct ac97_codec_if *codec_if; 130 struct ac97_host_if host_if; 131 132 /* Power Management */ 133 char sc_suspend; 134 void *sc_powerhook; /* Power Hook */ 135 }; 136 137 138 int cs428x_open(void *, int); 139 void cs428x_close(void *); 140 int cs428x_round_blocksize(void *, int); 141 int cs428x_get_props(void *); 142 int cs428x_attach_codec(void *, struct ac97_codec_if *); 143 int cs428x_read_codec(void *, u_int8_t, u_int16_t *); 144 int cs428x_write_codec(void *, u_int8_t, u_int16_t); 145 146 int cs428x_mixer_set_port(void *, mixer_ctrl_t *); 147 int cs428x_mixer_get_port(void *, mixer_ctrl_t *); 148 int cs428x_query_devinfo(void *, mixer_devinfo_t *); 149 void *cs428x_malloc(void *, int, size_t, int, int); 150 size_t cs428x_round_buffersize(void *, int, size_t); 151 void cs428x_free(void *, void *, int); 152 paddr_t cs428x_mappage(void *, void *, off_t, int); 153 154 /* internal functions */ 155 int cs428x_allocmem(struct cs428x_softc *, size_t, int, int, struct cs428x_dma *); 156 int cs428x_src_wait(struct cs428x_softc *); 157 158 159 /* DEBUG */ 160 /* #define CS4280_DEBUG */ 161 /* #define CS4281_DEBUG */ 162 163 #if defined(CS4280_DEBUG) || defined(CS4281_DEBUG) 164 #define DPRINTF(x) if (cs428x_debug) printf x 165 #define DPRINTFN(n,x) if (cs428x_debug>(n)) printf x 166 extern int cs428x_debug; 167 #if CS4280_DEBUG + 0 == 0 168 #undef CS4280_DEBUG 169 #define CS4280_DEBUG 0 170 #endif 171 #else 172 #define DPRINTF(x) 173 #define DPRINTFN(n,x) 174 #endif 175 176 #endif /* _CS428X_H_ */ 177
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