1 /* $NetBSD: cs428x.h,v 1.10 2006/04/15 21:20:47 jmcneill 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 * Flags (currently used only for CS4280) 64 */ 65 enum cs428x_flags { 66 CS428X_FLAG_NONE = 0x0, 67 CS428X_FLAG_INVAC97EAMP = 0x1, /* inverted AC97 external amp */ 68 /* XXX future use: clkrun hack */ 69 }; 70 71 /* 72 * Software state 73 */ 74 struct cs428x_softc { 75 struct device sc_dev; 76 77 pci_intr_handle_t * sc_ih; 78 79 /* I/O (BA0) */ 80 bus_space_tag_t ba0t; 81 bus_space_handle_t ba0h; 82 83 /* BA1 */ 84 bus_space_tag_t ba1t; 85 bus_space_handle_t ba1h; 86 87 /* DMA */ 88 bus_dma_tag_t sc_dmatag; 89 struct cs428x_dma *sc_dmas; 90 size_t dma_size; 91 size_t dma_align; 92 93 int hw_blocksize; 94 int type; 95 96 /* playback */ 97 void (*sc_pintr)(void *); /* DMA completion intr handler */ 98 void *sc_parg; /* arg for sc_intr() */ 99 char *sc_ps, *sc_pe, *sc_pn; 100 int sc_pcount; 101 int sc_pi; 102 struct cs428x_dma *sc_pdma; 103 char *sc_pbuf; 104 int (*halt_output)(void *); 105 char sc_prun; /* playback status */ 106 int sc_prate; /* playback sample rate */ 107 108 /* capturing */ 109 void (*sc_rintr)(void *); /* DMA completion intr handler */ 110 void *sc_rarg; /* arg for sc_intr() */ 111 char *sc_rs, *sc_re, *sc_rn; 112 int sc_rcount; 113 int sc_ri; 114 struct cs428x_dma *sc_rdma; 115 char *sc_rbuf; 116 int sc_rparam; /* record format */ 117 int (*halt_input)(void *); 118 char sc_rrun; /* recording status */ 119 int sc_rrate; /* recording sample rate */ 120 121 /* Although cs4281 does not support midi (yet), 122 * don't remove these definition. 123 */ 124 void (*sc_iintr)(void *, int); /* midi input ready handler */ 125 void (*sc_ointr)(void *); /* midi output ready handler */ 126 void *sc_arg; 127 128 /* 129 * XXX 130 * Actually these 3 variables are needed only for CS4280. 131 */ 132 enum cs428x_flags sc_flags; 133 uint32_t pctl; 134 uint32_t cctl; 135 136 /* AC97 CODEC */ 137 struct ac97_codec_if *codec_if; 138 struct ac97_host_if host_if; 139 140 /* Power Management */ 141 char sc_suspend; 142 void *sc_powerhook; /* Power Hook */ 143 }; 144 145 146 int cs428x_round_blocksize(void *, int, int, const audio_params_t *); 147 int cs428x_get_props(void *); 148 int cs428x_attach_codec(void *, struct ac97_codec_if *); 149 int cs428x_read_codec(void *, u_int8_t, u_int16_t *); 150 int cs428x_write_codec(void *, u_int8_t, u_int16_t); 151 152 int cs428x_mixer_set_port(void *, mixer_ctrl_t *); 153 int cs428x_mixer_get_port(void *, mixer_ctrl_t *); 154 int cs428x_query_devinfo(void *, mixer_devinfo_t *); 155 void *cs428x_malloc(void *, int, size_t, struct malloc_type *, int); 156 size_t cs428x_round_buffersize(void *, int, size_t); 157 void cs428x_free(void *, void *, struct malloc_type *); 158 paddr_t cs428x_mappage(void *, void *, off_t, int); 159 160 /* internal functions */ 161 int cs428x_allocmem(struct cs428x_softc *, size_t, struct malloc_type *, 162 int, struct cs428x_dma *); 163 int cs428x_src_wait(struct cs428x_softc *); 164 165 166 /* DEBUG */ 167 /* #define CS4280_DEBUG */ 168 /* #define CS4281_DEBUG */ 169 170 #if defined(CS4280_DEBUG) || defined(CS4281_DEBUG) 171 #define DPRINTF(x) if (cs428x_debug) printf x 172 #define DPRINTFN(n,x) if (cs428x_debug>(n)) printf x 173 extern int cs428x_debug; 174 #if CS4280_DEBUG + 0 == 0 175 #undef CS4280_DEBUG 176 #define CS4280_DEBUG 0 177 #endif 178 #else 179 #define DPRINTF(x) 180 #define DPRINTFN(n,x) 181 #endif 182 183 #endif /* _CS428X_H_ */ 184