1/* $NetBSD: gus.c,v 1.119 2021/02/06 07:16:18 isaki Exp $ */ 2 3/*- 4 * Copyright (c) 1996, 1999, 2008 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Ken Hornstein and John Kohl. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32/* 33 * 34 * TODO: 35 * . figure out why mixer activity while sound is playing causes problems 36 * (phantom interrupts?) 37 * . figure out a better deinterleave strategy that avoids sucking up 38 * CPU, memory and cache bandwidth. (Maybe a special encoding? 39 * Maybe use the double-speed sampling/hardware deinterleave trick 40 * from the GUS SDK?) A 486/33 isn't quite fast enough to keep 41 * up with 44.1kHz 16-bit stereo output without some drop-outs. 42 * . use CS4231 for 16-bit sampling, for A-law and mu-law playback. 43 * . actually test full-duplex sampling(recording) and playback. 44 */ 45 46/* 47 * Gravis UltraSound driver 48 * 49 * For more detailed information, see the GUS developers' kit 50 * available on the net at: 51 * 52 * http://www.gravis.com/Public/sdk/GUSDK222.ZIP 53 * 54 * See ultrawrd.doc inside--it's MS Word (ick), but it's the bible 55 * 56 */ 57 58/* 59 * The GUS Max has a slightly strange set of connections between the CS4231 60 * and the GF1 and the DMA interconnects. It's set up so that the CS4231 can 61 * be playing while the GF1 is loading patches from the system. 62 * 63 * Here's a recreation of the DMA interconnect diagram: 64 * 65 * GF1 66 * +---------+ digital 67 * | | record ASIC 68 * | |--------------+ 69 * | | | +--------+ 70 * | | play (dram) | +----+ | | 71 * | |--------------(------|-\ | | +-+ | 72 * +---------+ | | >-|----|---|C|--|------ DMA chan 1 73 * | +---|-/ | | +-+ | 74 * | | +----+ | | | 75 * | | +----+ | | | 76 * +---------+ +-+ +--(---|-\ | | | | 77 * | | play |8| | | >-|----|----+---|------ DMA chan 2 78 * | ---C----|--------|/|------(---|-/ | | | 79 * | ^ |record |1| | +----+ | | 80 * | | | /----|6|------+ +--------+ 81 * | ---+----|--/ +-+ 82 * +---------+ 83 * CS4231 8-to-16 bit bus conversion, if needed 84 * 85 * 86 * "C" is an optional combiner. 87 * 88 */ 89 90#include <sys/cdefs.h> 91__KERNEL_RCSID(0, "$NetBSD: gus.c,v 1.119 2021/02/06 07:16:18 isaki Exp $"); 92 93#include <sys/param.h> 94#include <sys/systm.h> 95#include <sys/callout.h> 96#include <sys/errno.h> 97#include <sys/ioctl.h> 98#include <sys/syslog.h> 99#include <sys/device.h> 100#include <sys/proc.h> 101#include <sys/buf.h> 102#include <sys/fcntl.h> 103#include <sys/kmem.h> 104#include <sys/kernel.h> 105#include <sys/cpu.h> 106#include <sys/intr.h> 107#include <sys/bus.h> 108#include <sys/audioio.h> 109 110#include <dev/audio/audio_if.h> 111 112#include <dev/ic/ics2101reg.h> 113#include <dev/ic/cs4231reg.h> 114#include <dev/ic/ad1848reg.h> 115 116#include <dev/isa/isavar.h> 117#include <dev/isa/isadmavar.h> 118#include <dev/isa/ics2101var.h> 119#include <dev/isa/ad1848var.h> 120#include <dev/isa/cs4231var.h> 121#include <dev/isa/gusreg.h> 122 123#ifdef AUDIO_DEBUG 124#define STATIC /* empty; for debugging symbols */ 125#else 126#define STATIC static 127#endif 128 129#define GUS_MAX_BLOCKSIZE 65536 130 131/* 132 * Software state of a single "voice" on the GUS 133 */ 134 135struct gus_voice { 136 137 /* 138 * Various control bits 139 */ 140 141 unsigned char voccntl; /* State of voice control register */ 142 unsigned char volcntl; /* State of volume control register */ 143 unsigned char pan_pos; /* Position of volume panning (4 bits) */ 144 int rate; /* Sample rate of voice being played back */ 145 146 /* 147 * Address of the voice data into the GUS's DRAM. 20 bits each 148 */ 149 150 u_long start_addr; /* Starting address of voice data loop area */ 151 u_long end_addr; /* Ending address of voice data loop */ 152 u_long current_addr; /* Beginning address of voice data 153 (start playing here) */ 154 155 /* 156 * linear volume values for the GUS's volume ramp. 0-511 (9 bits). 157 * These values must be translated into the logarithmic values using 158 * gus_log_volumes[] 159 */ 160 161 int start_volume; /* Starting position of volume ramp */ 162 int current_volume; /* Current position of volume on volume ramp */ 163 int end_volume; /* Ending position of volume on volume ramp */ 164}; 165 166/* 167 * Software state of GUS 168 */ 169 170struct gus_softc { 171 device_t sc_dev; /* base device */ 172 kmutex_t sc_lock; 173 kmutex_t sc_intr_lock; 174 void *sc_ih; /* interrupt vector */ 175 bus_space_tag_t sc_iot; /* tag */ 176 bus_space_handle_t sc_ioh1; /* handle */ 177 bus_space_handle_t sc_ioh2; /* handle */ 178 bus_space_handle_t sc_ioh3; /* ICS2101 handle */ 179 bus_space_handle_t sc_ioh4; /* MIDI handle */ 180 char padding[20]; 181 182 callout_t sc_dmaout_ch; 183 184 isa_chipset_tag_t sc_ic; /* ISA chipset info */ 185 char padding1[4]; 186 int sc_irq; /* IRQ used */ 187 int sc_playdrq; /* DMA channel for play */ 188 bus_size_t sc_play_maxsize; /* DMA size for play */ 189 int sc_recdrq; /* DMA channel for recording */ 190 bus_size_t sc_req_maxsize; /* DMA size for recording */ 191 192 int sc_flags; /* Various flags about the GUS */ 193#define GUS_MIXER_INSTALLED 0x01 /* An ICS mixer is installed */ 194#define GUS_LOCKED 0x02 /* GUS is busy doing multi-phase DMA */ 195#define GUS_CODEC_INSTALLED 0x04 /* CS4231 installed/MAX */ 196#define GUS_PLAYING 0x08 /* GUS is playing a voice */ 197#define GUS_DMAOUT_ACTIVE 0x10 /* GUS is busy doing audio DMA */ 198#define GUS_DMAIN_ACTIVE 0x20 /* GUS is busy sampling */ 199#define GUS_OPEN 0x100 /* GUS is open */ 200 int sc_dsize; /* Size of GUS DRAM */ 201 int sc_voices; /* Number of active voices */ 202 u_char sc_revision; /* Board revision of GUS */ 203 u_char sc_mixcontrol; /* Value of GUS_MIX_CONTROL register */ 204 205 u_long sc_orate; /* Output sampling rate */ 206 u_long sc_irate; /* Input sampling rate */ 207 208 int sc_encoding; /* Current data encoding type */ 209 int sc_precision; /* # of bits of precision */ 210 int sc_channels; /* Number of active channels */ 211 int sc_blocksize; /* Current blocksize */ 212 int sc_chanblocksize; /* Current blocksize for each in-use 213 channel */ 214 short sc_nbufs; /* how many on-GUS bufs per-channel */ 215 short sc_bufcnt; /* how many need to be played */ 216 void *sc_deintr_buf; /* deinterleave buffer for stereo */ 217 218 int sc_ogain; /* Output gain control */ 219 u_char sc_out_port; /* Current out port (generic only) */ 220 u_char sc_in_port; /* keep track of it when no codec */ 221 222 void (*sc_dmaoutintr)(void*); /* DMA completion intr handler */ 223 void *sc_outarg; /* argument for sc_dmaoutintr() */ 224 u_char *sc_dmaoutaddr; /* for isa_dmadone */ 225 u_long sc_gusaddr; /* where did we just put it? */ 226 int sc_dmaoutcnt; /* for isa_dmadone */ 227 228 void (*sc_dmainintr)(void*); /* DMA completion intr handler */ 229 void *sc_inarg; /* argument for sc_dmaoutintr() */ 230 u_char *sc_dmainaddr; /* for isa_dmadone */ 231 int sc_dmaincnt; /* for isa_dmadone */ 232 233 struct stereo_dma_intr { 234 void (*intr)(void *); 235 void *arg; 236 u_char *buffer; 237 u_long dmabuf; 238 int size; 239 int flags; 240 } sc_stereo; 241 242 /* 243 * State information for linear audio layer 244 */ 245 246 int sc_dmabuf; /* Which ring buffer we're DMA'ing to */ 247 int sc_playbuf; /* Which ring buffer we're playing */ 248 249 /* 250 * Voice information array. All voice-specific information is stored 251 * here 252 */ 253 254 struct gus_voice sc_voc[32]; /* Voice data for each voice */ 255 union { 256 struct ics2101_softc sc_mixer_u; 257 struct ad1848_isa_softc sc_codec_u; 258 } u; 259 int sc_iobase; /* I/O base address */ 260#define sc_mixer u.sc_mixer_u 261#define sc_codec u.sc_codec_u 262}; 263 264struct ics2101_volume { 265 u_char left; 266 u_char right; 267}; 268 269#define HAS_CODEC(sc) ((sc)->sc_flags & GUS_CODEC_INSTALLED) 270#define HAS_MIXER(sc) ((sc)->sc_flags & GUS_MIXER_INSTALLED) 271 272/* 273 * Mixer devices for ICS2101 274 */ 275/* MIC IN mute, line in mute, line out mute are first since they can be done 276 even if no ICS mixer. */ 277#define GUSICS_MIC_IN_MUTE 0 278#define GUSICS_LINE_IN_MUTE 1 279#define GUSICS_MASTER_MUTE 2 280#define GUSICS_CD_MUTE 3 281#define GUSICS_DAC_MUTE 4 282#define GUSICS_MIC_IN_LVL 5 283#define GUSICS_LINE_IN_LVL 6 284#define GUSICS_CD_LVL 7 285#define GUSICS_DAC_LVL 8 286#define GUSICS_MASTER_LVL 9 287 288#define GUSICS_RECORD_SOURCE 10 289 290/* Classes */ 291#define GUSICS_INPUT_CLASS 11 292#define GUSICS_OUTPUT_CLASS 12 293#define GUSICS_RECORD_CLASS 13 294 295/* 296 * Mixer & MUX devices for CS4231 297 */ 298#define GUSMAX_MONO_LVL 0 /* mic input to MUX; 299 also mono mixer input */ 300#define GUSMAX_DAC_LVL 1 /* input to MUX; also mixer input */ 301#define GUSMAX_LINE_IN_LVL 2 /* input to MUX; also mixer input */ 302#define GUSMAX_CD_LVL 3 /* mixer input only */ 303#define GUSMAX_MONITOR_LVL 4 /* digital mix (?) */ 304#define GUSMAX_OUT_LVL 5 /* output level. (?) */ 305#define GUSMAX_SPEAKER_LVL 6 /* pseudo-device for mute */ 306#define GUSMAX_LINE_IN_MUTE 7 /* pre-mixer */ 307#define GUSMAX_DAC_MUTE 8 /* pre-mixer */ 308#define GUSMAX_CD_MUTE 9 /* pre-mixer */ 309#define GUSMAX_MONO_MUTE 10 /* pre-mixer--microphone/mono */ 310#define GUSMAX_MONITOR_MUTE 11 /* post-mixer level/mute */ 311#define GUSMAX_SPEAKER_MUTE 12 /* speaker mute */ 312 313#define GUSMAX_REC_LVL 13 /* post-MUX gain */ 314 315#define GUSMAX_RECORD_SOURCE 14 316 317/* Classes */ 318#define GUSMAX_INPUT_CLASS 15 319#define GUSMAX_RECORD_CLASS 16 320#define GUSMAX_MONITOR_CLASS 17 321#define GUSMAX_OUTPUT_CLASS 18 322 323#ifdef AUDIO_DEBUG 324#define GUSPLAYDEBUG /*XXX*/ 325#define DPRINTF(x) if (gusdebug) printf x 326#define DMAPRINTF(x) if (gusdmadebug) printf x 327int gusdebug = 0; 328int gusdmadebug = 0; 329#else 330#define DPRINTF(x) 331#define DMAPRINTF(x) 332#endif 333int gus_dostereo = 1; 334 335#define NDMARECS 2048 336#ifdef GUSPLAYDEBUG 337int gusstats = 0; 338struct dma_record { 339 struct timeval tv; 340 u_long gusaddr; 341 void *bsdaddr; 342 u_short count; 343 u_char channel; 344 u_char direction; 345} dmarecords[NDMARECS]; 346 347int dmarecord_index = 0; 348#endif 349 350/* 351 * local routines 352 */ 353 354int gusopen(void *, int); 355void gusclose(void *); 356void gusmax_close(void *); 357int gusintr(void *); 358int gus_set_in_gain(void *, u_int, u_char); 359int gus_get_in_gain(void *); 360int gus_set_out_gain(void *, u_int, u_char); 361int gus_get_out_gain(void *); 362int gus_set_format(void *, int, 363 const audio_params_t *, const audio_params_t *, 364 audio_filter_reg_t *, audio_filter_reg_t *); 365int gusmax_set_format(void *, int, 366 const audio_params_t *, const audio_params_t *, 367 audio_filter_reg_t *, audio_filter_reg_t *); 368int gus_round_blocksize(void *, int, int, const audio_params_t *); 369int gus_commit_settings(void *); 370int gus_dma_output(void *, void *, int, void (*)(void *), void *); 371int gus_dma_input(void *, void *, int, void (*)(void *), void *); 372int gus_halt_out_dma(void *); 373int gus_halt_in_dma(void *); 374int gus_speaker_ctl(void *, int); 375int gusmaxopen(void *, int); 376int gusmax_round_blocksize(void *, int, int, const audio_params_t *); 377int gusmax_commit_settings(void *); 378int gusmax_dma_output(void *, void *, int, void (*)(void *), void *); 379int gusmax_dma_input(void *, void *, int, void (*)(void *), void *); 380int gusmax_halt_out_dma(void *); 381int gusmax_halt_in_dma(void *); 382int gusmax_speaker_ctl(void *, int); 383int gus_getdev(void *, struct audio_device *); 384 385STATIC void gus_deinterleave(struct gus_softc *, void *, int); 386 387STATIC int gus_mic_ctl(void *, int); 388STATIC int gus_linein_ctl(void *, int); 389STATIC int gus_test_iobase(bus_space_tag_t, int); 390STATIC void guspoke(bus_space_tag_t, bus_space_handle_t, long, u_char); 391STATIC void gusdmaout(struct gus_softc *, int, u_long, void *, int); 392STATIC int gus_init_cs4231(struct gus_softc *); 393STATIC void gus_init_ics2101(struct gus_softc *); 394 395STATIC void gus_set_chan_addrs(struct gus_softc *); 396STATIC void gusreset(struct gus_softc *, int); 397STATIC void gus_set_voices(struct gus_softc *, int); 398STATIC void gus_set_volume(struct gus_softc *, int, int); 399STATIC void gus_set_samprate(struct gus_softc *, int, int); 400STATIC void gus_set_recrate(struct gus_softc *, u_long); 401STATIC void gus_start_voice(struct gus_softc *, int, int); 402STATIC void gus_stop_voice(struct gus_softc *, int, int); 403STATIC void gus_set_endaddr(struct gus_softc *, int, u_long); 404#ifdef GUSPLAYDEBUG 405STATIC void gus_set_curaddr(struct gus_softc *, int, u_long); 406STATIC u_long gus_get_curaddr(struct gus_softc *, int); 407#endif 408STATIC int gus_dmaout_intr(struct gus_softc *); 409STATIC void gus_dmaout_dointr(struct gus_softc *); 410STATIC void gus_dmaout_timeout(void *); 411STATIC int gus_dmain_intr(struct gus_softc *); 412STATIC int gus_voice_intr(struct gus_softc *); 413STATIC void gus_start_playing(struct gus_softc *, int); 414STATIC int gus_continue_playing(struct gus_softc *, int); 415STATIC u_char guspeek(bus_space_tag_t, bus_space_handle_t, u_long); 416STATIC u_long convert_to_16bit(u_long); 417STATIC int gus_mixer_set_port(void *, mixer_ctrl_t *); 418STATIC int gus_mixer_get_port(void *, mixer_ctrl_t *); 419STATIC int gusmax_mixer_set_port(void *, mixer_ctrl_t *); 420STATIC int gusmax_mixer_get_port(void *, mixer_ctrl_t *); 421STATIC int gus_mixer_query_devinfo(void *, mixer_devinfo_t *); 422STATIC int gusmax_mixer_query_devinfo(void *, mixer_devinfo_t *); 423STATIC int gus_query_format(void *, audio_format_query_t *); 424STATIC int gus_get_props(void *); 425STATIC int gusmax_get_props(void *); 426 427STATIC void gusics_master_mute(struct ics2101_softc *, int); 428STATIC void gusics_dac_mute(struct ics2101_softc *, int); 429STATIC void gusics_mic_mute(struct ics2101_softc *, int); 430STATIC void gusics_linein_mute(struct ics2101_softc *, int); 431STATIC void gusics_cd_mute(struct ics2101_softc *, int); 432 433void stereo_dmaintr(void *); 434 435/* 436 * ISA bus driver routines 437 */ 438 439int gusprobe(device_t, cfdata_t, void *); 440void gusattach(device_t, device_t, void *); 441 442CFATTACH_DECL_NEW(gus, sizeof(struct gus_softc), 443 gusprobe, gusattach, NULL, NULL); 444 445/* 446 * A mapping from IRQ/DRQ values to the values used in the GUS's internal 447 * registers. A zero means that the referenced IRQ/DRQ is invalid 448 */ 449 450static const int gus_irq_map[] = { 451 -1, -1, 1, 3, -1, 2, -1, 4, 452 -1, 1, -1, 5, 6, -1, -1, 7 453}; 454static const int gus_drq_map[] = { 455 -1, 1, -1, 2, -1, 3, 4, 5 456}; 457 458/* 459 * A list of valid base addresses for the GUS 460 */ 461 462static const int gus_base_addrs[] = { 463 0x210, 0x220, 0x230, 0x240, 0x250, 0x260 464}; 465static const int gus_addrs = sizeof(gus_base_addrs) / sizeof(gus_base_addrs[0]); 466 467/* 468 * Maximum frequency values of the GUS based on the number of currently active 469 * voices. Since the GUS samples a voice every 1.6 us, the maximum frequency 470 * is dependent on the number of active voices. Yes, it is pretty weird. 471 */ 472 473static const int gus_max_frequency[] = { 474 44100, /* 14 voices */ 475 41160, /* 15 voices */ 476 38587, /* 16 voices */ 477 36317, /* 17 voices */ 478 34300, /* 18 voices */ 479 32494, /* 19 voices */ 480 30870, /* 20 voices */ 481 29400, /* 21 voices */ 482 28063, /* 22 voices */ 483 26843, /* 23 voices */ 484 25725, /* 24 voices */ 485 24696, /* 25 voices */ 486 23746, /* 26 voices */ 487 22866, /* 27 voices */ 488 22050, /* 28 voices */ 489 21289, /* 29 voices */ 490 20580, /* 30 voices */ 491 19916, /* 31 voices */ 492 19293 /* 32 voices */ 493}; 494/* 495 * A mapping of linear volume levels to the logarithmic volume values used 496 * by the GF1 chip on the GUS. From GUS SDK vol1.c. 497 */ 498 499static const unsigned short gus_log_volumes[512] = { 500 0x0000, 501 0x0700, 0x07ff, 0x0880, 0x08ff, 0x0940, 0x0980, 0x09c0, 0x09ff, 0x0a20, 502 0x0a40, 0x0a60, 0x0a80, 0x0aa0, 0x0ac0, 0x0ae0, 0x0aff, 0x0b10, 0x0b20, 503 0x0b30, 0x0b40, 0x0b50, 0x0b60, 0x0b70, 0x0b80, 0x0b90, 0x0ba0, 0x0bb0, 504 0x0bc0, 0x0bd0, 0x0be0, 0x0bf0, 0x0bff, 0x0c08, 0x0c10, 0x0c18, 0x0c20, 505 0x0c28, 0x0c30, 0x0c38, 0x0c40, 0x0c48, 0x0c50, 0x0c58, 0x0c60, 0x0c68, 506 0x0c70, 0x0c78, 0x0c80, 0x0c88, 0x0c90, 0x0c98, 0x0ca0, 0x0ca8, 0x0cb0, 507 0x0cb8, 0x0cc0, 0x0cc8, 0x0cd0, 0x0cd8, 0x0ce0, 0x0ce8, 0x0cf0, 0x0cf8, 508 0x0cff, 0x0d04, 0x0d08, 0x0d0c, 0x0d10, 0x0d14, 0x0d18, 0x0d1c, 0x0d20, 509 0x0d24, 0x0d28, 0x0d2c, 0x0d30, 0x0d34, 0x0d38, 0x0d3c, 0x0d40, 0x0d44, 510 0x0d48, 0x0d4c, 0x0d50, 0x0d54, 0x0d58, 0x0d5c, 0x0d60, 0x0d64, 0x0d68, 511 0x0d6c, 0x0d70, 0x0d74, 0x0d78, 0x0d7c, 0x0d80, 0x0d84, 0x0d88, 0x0d8c, 512 0x0d90, 0x0d94, 0x0d98, 0x0d9c, 0x0da0, 0x0da4, 0x0da8, 0x0dac, 0x0db0, 513 0x0db4, 0x0db8, 0x0dbc, 0x0dc0, 0x0dc4, 0x0dc8, 0x0dcc, 0x0dd0, 0x0dd4, 514 0x0dd8, 0x0ddc, 0x0de0, 0x0de4, 0x0de8, 0x0dec, 0x0df0, 0x0df4, 0x0df8, 515 0x0dfc, 0x0dff, 0x0e02, 0x0e04, 0x0e06, 0x0e08, 0x0e0a, 0x0e0c, 0x0e0e, 516 0x0e10, 0x0e12, 0x0e14, 0x0e16, 0x0e18, 0x0e1a, 0x0e1c, 0x0e1e, 0x0e20, 517 0x0e22, 0x0e24, 0x0e26, 0x0e28, 0x0e2a, 0x0e2c, 0x0e2e, 0x0e30, 0x0e32, 518 0x0e34, 0x0e36, 0x0e38, 0x0e3a, 0x0e3c, 0x0e3e, 0x0e40, 0x0e42, 0x0e44, 519 0x0e46, 0x0e48, 0x0e4a, 0x0e4c, 0x0e4e, 0x0e50, 0x0e52, 0x0e54, 0x0e56, 520 0x0e58, 0x0e5a, 0x0e5c, 0x0e5e, 0x0e60, 0x0e62, 0x0e64, 0x0e66, 0x0e68, 521 0x0e6a, 0x0e6c, 0x0e6e, 0x0e70, 0x0e72, 0x0e74, 0x0e76, 0x0e78, 0x0e7a, 522 0x0e7c, 0x0e7e, 0x0e80, 0x0e82, 0x0e84, 0x0e86, 0x0e88, 0x0e8a, 0x0e8c, 523 0x0e8e, 0x0e90, 0x0e92, 0x0e94, 0x0e96, 0x0e98, 0x0e9a, 0x0e9c, 0x0e9e, 524 0x0ea0, 0x0ea2, 0x0ea4, 0x0ea6, 0x0ea8, 0x0eaa, 0x0eac, 0x0eae, 0x0eb0, 525 0x0eb2, 0x0eb4, 0x0eb6, 0x0eb8, 0x0eba, 0x0ebc, 0x0ebe, 0x0ec0, 0x0ec2, 526 0x0ec4, 0x0ec6, 0x0ec8, 0x0eca, 0x0ecc, 0x0ece, 0x0ed0, 0x0ed2, 0x0ed4, 527 0x0ed6, 0x0ed8, 0x0eda, 0x0edc, 0x0ede, 0x0ee0, 0x0ee2, 0x0ee4, 0x0ee6, 528 0x0ee8, 0x0eea, 0x0eec, 0x0eee, 0x0ef0, 0x0ef2, 0x0ef4, 0x0ef6, 0x0ef8, 529 0x0efa, 0x0efc, 0x0efe, 0x0eff, 0x0f01, 0x0f02, 0x0f03, 0x0f04, 0x0f05, 530 0x0f06, 0x0f07, 0x0f08, 0x0f09, 0x0f0a, 0x0f0b, 0x0f0c, 0x0f0d, 0x0f0e, 531 0x0f0f, 0x0f10, 0x0f11, 0x0f12, 0x0f13, 0x0f14, 0x0f15, 0x0f16, 0x0f17, 532 0x0f18, 0x0f19, 0x0f1a, 0x0f1b, 0x0f1c, 0x0f1d, 0x0f1e, 0x0f1f, 0x0f20, 533 0x0f21, 0x0f22, 0x0f23, 0x0f24, 0x0f25, 0x0f26, 0x0f27, 0x0f28, 0x0f29, 534 0x0f2a, 0x0f2b, 0x0f2c, 0x0f2d, 0x0f2e, 0x0f2f, 0x0f30, 0x0f31, 0x0f32, 535 0x0f33, 0x0f34, 0x0f35, 0x0f36, 0x0f37, 0x0f38, 0x0f39, 0x0f3a, 0x0f3b, 536 0x0f3c, 0x0f3d, 0x0f3e, 0x0f3f, 0x0f40, 0x0f41, 0x0f42, 0x0f43, 0x0f44, 537 0x0f45, 0x0f46, 0x0f47, 0x0f48, 0x0f49, 0x0f4a, 0x0f4b, 0x0f4c, 0x0f4d, 538 0x0f4e, 0x0f4f, 0x0f50, 0x0f51, 0x0f52, 0x0f53, 0x0f54, 0x0f55, 0x0f56, 539 0x0f57, 0x0f58, 0x0f59, 0x0f5a, 0x0f5b, 0x0f5c, 0x0f5d, 0x0f5e, 0x0f5f, 540 0x0f60, 0x0f61, 0x0f62, 0x0f63, 0x0f64, 0x0f65, 0x0f66, 0x0f67, 0x0f68, 541 0x0f69, 0x0f6a, 0x0f6b, 0x0f6c, 0x0f6d, 0x0f6e, 0x0f6f, 0x0f70, 0x0f71, 542 0x0f72, 0x0f73, 0x0f74, 0x0f75, 0x0f76, 0x0f77, 0x0f78, 0x0f79, 0x0f7a, 543 0x0f7b, 0x0f7c, 0x0f7d, 0x0f7e, 0x0f7f, 0x0f80, 0x0f81, 0x0f82, 0x0f83, 544 0x0f84, 0x0f85, 0x0f86, 0x0f87, 0x0f88, 0x0f89, 0x0f8a, 0x0f8b, 0x0f8c, 545 0x0f8d, 0x0f8e, 0x0f8f, 0x0f90, 0x0f91, 0x0f92, 0x0f93, 0x0f94, 0x0f95, 546 0x0f96, 0x0f97, 0x0f98, 0x0f99, 0x0f9a, 0x0f9b, 0x0f9c, 0x0f9d, 0x0f9e, 547 0x0f9f, 0x0fa0, 0x0fa1, 0x0fa2, 0x0fa3, 0x0fa4, 0x0fa5, 0x0fa6, 0x0fa7, 548 0x0fa8, 0x0fa9, 0x0faa, 0x0fab, 0x0fac, 0x0fad, 0x0fae, 0x0faf, 0x0fb0, 549 0x0fb1, 0x0fb2, 0x0fb3, 0x0fb4, 0x0fb5, 0x0fb6, 0x0fb7, 0x0fb8, 0x0fb9, 550 0x0fba, 0x0fbb, 0x0fbc, 0x0fbd, 0x0fbe, 0x0fbf, 0x0fc0, 0x0fc1, 0x0fc2, 551 0x0fc3, 0x0fc4, 0x0fc5, 0x0fc6, 0x0fc7, 0x0fc8, 0x0fc9, 0x0fca, 0x0fcb, 552 0x0fcc, 0x0fcd, 0x0fce, 0x0fcf, 0x0fd0, 0x0fd1, 0x0fd2, 0x0fd3, 0x0fd4, 553 0x0fd5, 0x0fd6, 0x0fd7, 0x0fd8, 0x0fd9, 0x0fda, 0x0fdb, 0x0fdc, 0x0fdd, 554 0x0fde, 0x0fdf, 0x0fe0, 0x0fe1, 0x0fe2, 0x0fe3, 0x0fe4, 0x0fe5, 0x0fe6, 555 0x0fe7, 0x0fe8, 0x0fe9, 0x0fea, 0x0feb, 0x0fec, 0x0fed, 0x0fee, 0x0fef, 556 0x0ff0, 0x0ff1, 0x0ff2, 0x0ff3, 0x0ff4, 0x0ff5, 0x0ff6, 0x0ff7, 0x0ff8, 557 0x0ff9, 0x0ffa, 0x0ffb, 0x0ffc, 0x0ffd, 0x0ffe, 0x0fff}; 558 559#define SELECT_GUS_REG(iot,ioh1,x) bus_space_write_1(iot,ioh1,GUS_REG_SELECT,x) 560#define ADDR_HIGH(x) (unsigned int) ((x >> 7L) & 0x1fffL) 561#define ADDR_LOW(x) (unsigned int) ((x & 0x7fL) << 9L) 562 563#define GUS_MIN_VOICES 14 /* Minimum possible number of voices */ 564#define GUS_MAX_VOICES 32 /* Maximum possible number of voices */ 565#define GUS_VOICE_LEFT 0 /* Voice used for left (and mono) playback */ 566#define GUS_VOICE_RIGHT 1 /* Voice used for right playback */ 567#define GUS_MEM_OFFSET 32 /* Offset into GUS memory to begin of buffer */ 568#define GUS_BUFFER_MULTIPLE 1024 /* Audio buffers are multiples of this */ 569#define GUS_MEM_FOR_BUFFERS 131072 /* use this many bytes on-GUS */ 570#define GUS_LEFT_RIGHT_OFFSET (sc->sc_nbufs * sc->sc_chanblocksize + GUS_MEM_OFFSET) 571 572#define GUS_PREC_BYTES (sc->sc_precision >> 3) /* precision to bytes */ 573 574/* 575 * Interface to higher level audio driver 576 */ 577 578const struct audio_hw_if gus_hw_if = { 579 .open = gusopen, 580 .close = gusclose, 581 .query_format = gus_query_format, 582 .set_format = gus_set_format, 583 .round_blocksize = gus_round_blocksize, 584 .commit_settings = gus_commit_settings, 585 .start_output = gus_dma_output, 586 .start_input = gus_dma_input, 587 .halt_output = gus_halt_out_dma, 588 .halt_input = gus_halt_in_dma, 589 .speaker_ctl = gus_speaker_ctl, 590 .getdev = gus_getdev, 591 .set_port = gus_mixer_set_port, 592 .get_port = gus_mixer_get_port, 593 .query_devinfo = gus_mixer_query_devinfo, 594 .allocm = ad1848_isa_malloc, 595 .freem = ad1848_isa_free, 596 .round_buffersize = ad1848_isa_round_buffersize, 597 .get_props = gus_get_props, 598 .get_locks = ad1848_get_locks, 599}; 600 601static const struct audio_hw_if gusmax_hw_if = { 602 .open = gusmaxopen, 603 .close = gusmax_close, 604 .query_format = gus_query_format, 605 .set_format = gusmax_set_format, 606 .round_blocksize = gusmax_round_blocksize, 607 .commit_settings = gusmax_commit_settings, 608 .start_output = gusmax_dma_output, 609 .start_input = gusmax_dma_input, 610 .halt_output = gusmax_halt_out_dma, 611 .halt_input = gusmax_halt_in_dma, 612 .speaker_ctl = gusmax_speaker_ctl, 613 .getdev = gus_getdev, 614 .set_port = gusmax_mixer_set_port, 615 .get_port = gusmax_mixer_get_port, 616 .query_devinfo = gusmax_mixer_query_devinfo, 617 .allocm = ad1848_isa_malloc, 618 .freem = ad1848_isa_free, 619 .round_buffersize = ad1848_isa_round_buffersize, 620 .get_props = gusmax_get_props, 621 .get_locks = ad1848_get_locks, 622}; 623 624/* 625 * Some info about the current audio device 626 */ 627 628struct audio_device gus_device = { 629 "UltraSound", 630 "", 631 "gus", 632}; 633 634/* The HW supports more formats but only SLINEAR_LE/16/2ch is enough. */ 635STATIC const struct audio_format gus_formats[] = { 636 { 637 .mode = AUMODE_PLAY | AUMODE_RECORD, 638 .encoding = AUDIO_ENCODING_SLINEAR_LE, 639 .validbits = 16, 640 .precision = 16, 641 .channels = 2, 642 .channel_mask = AUFMT_STEREO, 643 .frequency_type = 1, 644 .frequency = { 44100 }, 645 } 646}; 647#define GUS_NFORMATS __arraycount(gus_formats) 648 649#define FLIP_REV 5 /* This rev has flipped mixer chans */ 650 651 652int 653gusprobe(device_t parent, cfdata_t match, void *aux) 654{ 655 struct isa_attach_args *ia; 656 int iobase, recdrq; 657 658 ia = aux; 659 if (ia->ia_nio < 1) 660 return 0; 661 if (ia->ia_nirq < 1) 662 return 0; 663 if (ia->ia_ndrq < 1) 664 return 0; 665 666 if (ISA_DIRECT_CONFIG(ia)) 667 return 0; 668 669 iobase = ia->ia_io[0].ir_addr; 670 if (ia->ia_ndrq > 1) 671 recdrq = ia->ia_drq[1].ir_drq; 672 else 673 recdrq = ISA_UNKNOWN_DRQ; 674 675 /* 676 * Before we do anything else, make sure requested IRQ and DRQ are 677 * valid for this card. 678 */ 679 680 /* XXX range check before indexing!! */ 681 if (ia->ia_irq[0].ir_irq == ISA_UNKNOWN_IRQ || 682 gus_irq_map[ia->ia_irq[0].ir_irq] == -1) { 683 printf("gus: invalid irq %d, card not probed\n", 684 ia->ia_irq[0].ir_irq); 685 return 0; 686 } 687 688 if (ia->ia_drq[0].ir_drq == ISA_UNKNOWN_DRQ || 689 gus_drq_map[ia->ia_drq[0].ir_drq] == -1) { 690 printf("gus: invalid drq %d, card not probed\n", 691 ia->ia_drq[0].ir_drq); 692 return 0; 693 } 694 695 if (recdrq != ISA_UNKNOWN_DRQ) { 696 if (recdrq > 7 || gus_drq_map[recdrq] == -1) { 697 printf("gus: invalid second DMA channel (%d), card " 698 "not probed\n", recdrq); 699 return 0; 700 } 701 } else 702 recdrq = ia->ia_drq[0].ir_drq; 703 704 if (iobase == ISA_UNKNOWN_PORT) { 705 int i; 706 for (i = 0; i < gus_addrs; i++) 707 if (gus_test_iobase(ia->ia_iot, gus_base_addrs[i])) { 708 iobase = gus_base_addrs[i]; 709 goto done; 710 } 711 return 0; 712 } else if (!gus_test_iobase(ia->ia_iot, iobase)) 713 return 0; 714 715done: 716 if (!isa_drq_isfree(ia->ia_ic, ia->ia_drq[0].ir_drq) || 717 (recdrq != ia->ia_drq[0].ir_drq && 718 !isa_drq_isfree(ia->ia_ic, recdrq))) 719 return 0; 720 721 ia->ia_nio = 1; 722 ia->ia_io[0].ir_addr = iobase; 723 ia->ia_io[0].ir_size = GUS_NPORT1; 724 725 ia->ia_nirq = 1; 726 ia->ia_ndrq = (recdrq != ia->ia_drq[0].ir_drq) ? 2 : 1; 727 728 ia->ia_niomem = 0; 729 730 return 1; 731} 732 733/* 734 * Test to see if a particular I/O base is valid for the GUS. Return true 735 * if it is. 736 */ 737 738STATIC int 739gus_test_iobase (bus_space_tag_t iot, int iobase) 740{ 741 bus_space_handle_t ioh1, ioh2, ioh3, ioh4; 742 u_char s1, s2; 743 int rv; 744 745 rv = 0; 746 /* Map i/o space */ 747 if (bus_space_map(iot, iobase, GUS_NPORT1, 0, &ioh1)) 748 return 0; 749 if (bus_space_map(iot, iobase+GUS_IOH2_OFFSET, GUS_NPORT2, 0, &ioh2)) 750 goto bad1; 751 752 /* XXX Maybe we shouldn't fail on mapping this, but just assume 753 * the card is of revision 0? */ 754 if (bus_space_map(iot, iobase+GUS_IOH3_OFFSET, GUS_NPORT3, 0, &ioh3)) 755 goto bad2; 756 757 if (bus_space_map(iot, iobase+GUS_IOH4_OFFSET, GUS_NPORT4, 0, &ioh4)) 758 goto bad3; 759 760 /* 761 * Reset GUS to an initial state before we do anything. 762 */ 763 764 delay(500); 765 766 SELECT_GUS_REG(iot, ioh2, GUSREG_RESET); 767 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 0x00); 768 769 delay(500); 770 771 SELECT_GUS_REG(iot, ioh2, GUSREG_RESET); 772 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, GUSMASK_MASTER_RESET); 773 774 delay(500); 775 776 /* 777 * See if we can write to the board's memory 778 */ 779 780 s1 = guspeek(iot, ioh2, 0L); 781 s2 = guspeek(iot, ioh2, 1L); 782 783 guspoke(iot, ioh2, 0L, 0xaa); 784 guspoke(iot, ioh2, 1L, 0x55); 785 786 if (guspeek(iot, ioh2, 0L) != 0xaa) 787 goto bad; 788 789 guspoke(iot, ioh2, 0L, s1); 790 guspoke(iot, ioh2, 1L, s2); 791 792 rv = 1; 793 794bad: 795 bus_space_unmap(iot, ioh4, GUS_NPORT4); 796bad3: 797 bus_space_unmap(iot, ioh3, GUS_NPORT3); 798bad2: 799 bus_space_unmap(iot, ioh2, GUS_NPORT2); 800bad1: 801 bus_space_unmap(iot, ioh1, GUS_NPORT1); 802 return rv; 803} 804 805/* 806 * Setup the GUS for use; called shortly after probe 807 */ 808 809void 810gusattach(device_t parent, device_t self, void *aux) 811{ 812 struct gus_softc *sc; 813 struct isa_attach_args *ia; 814 bus_space_tag_t iot; 815 bus_space_handle_t ioh1, ioh2, ioh3, ioh4; 816 int iobase, i; 817 unsigned char c, m; 818 int d = -1; 819 const struct audio_hw_if *hwif; 820 821 sc = device_private(self); 822 sc->sc_dev = self; 823 ia = aux; 824 callout_init(&sc->sc_dmaout_ch, CALLOUT_MPSAFE); 825 ad1848_init_locks(&sc->sc_codec.sc_ad1848, IPL_AUDIO); 826 sc->sc_lock = sc->sc_codec.sc_ad1848.sc_lock; 827 sc->sc_intr_lock = sc->sc_codec.sc_ad1848.sc_intr_lock; 828 829 sc->sc_iot = iot = ia->ia_iot; 830 sc->sc_ic = ia->ia_ic; 831 iobase = ia->ia_io[0].ir_addr; 832 833 /* Map i/o space */ 834 if (bus_space_map(iot, iobase, GUS_NPORT1, 0, &ioh1)) 835 panic("%s: can't map io port range 1", device_xname(self)); 836 sc->sc_ioh1 = ioh1; 837 if (bus_space_map(iot, iobase+GUS_IOH2_OFFSET, GUS_NPORT2, 0, &ioh2)) 838 panic("%s: can't map io port range 2", device_xname(self)); 839 sc->sc_ioh2 = ioh2; 840 841 /* XXX Maybe we shouldn't fail on mapping this, but just assume 842 * the card is of revision 0? */ 843 if (bus_space_map(iot, iobase+GUS_IOH3_OFFSET, GUS_NPORT3, 0, &ioh3)) 844 panic("%s: can't map io port range 3", device_xname(self)); 845 sc->sc_ioh3 = ioh3; 846 847 if (bus_space_map(iot, iobase+GUS_IOH4_OFFSET, GUS_NPORT4, 0, &ioh4)) 848 panic("%s: can't map io port range 4", device_xname(self)); 849 sc->sc_ioh4 = ioh4; 850 851 sc->sc_iobase = iobase; 852 sc->sc_irq = ia->ia_irq[0].ir_irq; 853 sc->sc_playdrq = ia->ia_drq[0].ir_drq; 854 sc->sc_recdrq = (ia->ia_ndrq == 2) ? 855 ia->ia_drq[1].ir_drq : ia->ia_drq[0].ir_drq; 856 857 /* 858 * Figure out our board rev, and see if we need to initialize the 859 * mixer 860 */ 861 862 sc->sc_ic = ia->ia_ic; 863 864 delay(500); 865 866 mutex_spin_enter(&sc->sc_codec.sc_ad1848.sc_intr_lock); 867 868 c = bus_space_read_1(iot, ioh3, GUS_BOARD_REV); 869 if (c != 0xff) 870 sc->sc_revision = c; 871 else 872 sc->sc_revision = 0; 873 874 SELECT_GUS_REG(iot, ioh2, GUSREG_RESET); 875 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 0x00); 876 877 gusreset(sc, GUS_MAX_VOICES); /* initialize all voices */ 878 gusreset(sc, GUS_MIN_VOICES); /* then set to just the ones we use */ 879 mutex_spin_exit(&sc->sc_codec.sc_ad1848.sc_intr_lock); 880 881 /* 882 * Setup the IRQ and DRQ lines in software, using values from 883 * config file 884 */ 885 886 m = GUSMASK_LINE_IN|GUSMASK_LINE_OUT; /* disable all */ 887 888 c = ((unsigned char) gus_irq_map[ia->ia_irq[0].ir_irq]) | 889 GUSMASK_BOTH_RQ; 890 891 if (sc->sc_playdrq != -1) { 892 if (sc->sc_recdrq == sc->sc_playdrq) 893 d = (unsigned char) (gus_drq_map[sc->sc_playdrq] | 894 GUSMASK_BOTH_RQ); 895 else if (sc->sc_recdrq != -1) 896 d = (unsigned char) (gus_drq_map[sc->sc_playdrq] | 897 gus_drq_map[sc->sc_recdrq] << 3); 898 } 899 if (d == -1) 900 printf("%s: WARNING: Cannot initialize drq\n", 901 device_xname(sc->sc_dev)); 902 903 /* 904 * Program the IRQ and DMA channels on the GUS. Note that we hardwire 905 * the GUS to only use one IRQ channel, but we give the user the 906 * option of using two DMA channels (the other one given by the drq2 907 * option in the config file). Two DMA channels are needed for full- 908 * duplex operation. 909 * 910 * The order of these operations is very magical. 911 */ 912 913 bus_space_write_1(iot, ioh1, GUS_REG_CONTROL, GUS_REG_IRQCTL); 914 bus_space_write_1(iot, ioh1, GUS_MIX_CONTROL, m); 915 bus_space_write_1(iot, ioh1, GUS_IRQCTL_CONTROL, 0x00); 916 bus_space_write_1(iot, ioh1, 0x0f, 0x00); 917 918 bus_space_write_1(iot, ioh1, GUS_MIX_CONTROL, m); 919 bus_space_write_1(iot, ioh1, GUS_DMA_CONTROL, d | 0x80); /* magic reset? */ 920 921 bus_space_write_1(iot, ioh1, GUS_MIX_CONTROL, m | GUSMASK_CONTROL_SEL); 922 bus_space_write_1(iot, ioh1, GUS_IRQ_CONTROL, c); 923 924 bus_space_write_1(iot, ioh1, GUS_MIX_CONTROL, m); 925 bus_space_write_1(iot, ioh1, GUS_DMA_CONTROL, d); 926 927 bus_space_write_1(iot, ioh1, GUS_MIX_CONTROL, m | GUSMASK_CONTROL_SEL); 928 bus_space_write_1(iot, ioh1, GUS_IRQ_CONTROL, c); 929 930 bus_space_write_1(iot, ioh2, GUS_VOICE_SELECT, 0x00); 931 932 /* enable line in, line out. leave mic disabled. */ 933 bus_space_write_1(iot, ioh1, GUS_MIX_CONTROL, 934 (m | GUSMASK_LATCHES) & ~(GUSMASK_LINE_OUT|GUSMASK_LINE_IN)); 935 bus_space_write_1(iot, ioh2, GUS_VOICE_SELECT, 0x00); 936 937 sc->sc_mixcontrol = 938 (m | GUSMASK_LATCHES) & ~(GUSMASK_LINE_OUT|GUSMASK_LINE_IN); 939 940 if (sc->sc_playdrq != -1) { 941 sc->sc_play_maxsize = isa_dmamaxsize(sc->sc_ic, 942 sc->sc_playdrq); 943 if (isa_drq_alloc(sc->sc_ic, sc->sc_playdrq) != 0) { 944 aprint_error_dev(sc->sc_dev, "can't reserve drq %d\n", 945 sc->sc_playdrq); 946 ad1848_destroy_locks(&sc->sc_codec.sc_ad1848); 947 return; 948 } 949 if (isa_dmamap_create(sc->sc_ic, sc->sc_playdrq, 950 sc->sc_play_maxsize, BUS_DMA_WAITOK|BUS_DMA_ALLOCNOW)) { 951 aprint_error_dev(sc->sc_dev, 952 "can't create map for drq %d\n", sc->sc_playdrq); 953 ad1848_destroy_locks(&sc->sc_codec.sc_ad1848); 954 return; 955 } 956 } 957 if (sc->sc_recdrq != -1 && sc->sc_recdrq != sc->sc_playdrq) { 958 sc->sc_req_maxsize = isa_dmamaxsize(sc->sc_ic, 959 sc->sc_recdrq); 960 if (isa_drq_alloc(sc->sc_ic, sc->sc_recdrq) != 0) { 961 aprint_error_dev(sc->sc_dev, "can't reserve drq %d\n", 962 sc->sc_recdrq); 963 ad1848_destroy_locks(&sc->sc_codec.sc_ad1848); 964 return; 965 } 966 if (isa_dmamap_create(sc->sc_ic, sc->sc_recdrq, 967 sc->sc_req_maxsize, BUS_DMA_WAITOK|BUS_DMA_ALLOCNOW)) { 968 aprint_error_dev(sc->sc_dev, 969 "can't create map for drq %d\n", sc->sc_recdrq); 970 ad1848_destroy_locks(&sc->sc_codec.sc_ad1848); 971 return; 972 } 973 } 974 975 /* XXX WILL THIS ALWAYS WORK THE WAY THEY'RE OVERLAYED?! */ 976 sc->sc_codec.sc_ic = sc->sc_ic; 977 978 if (sc->sc_revision >= 5 && sc->sc_revision <= 9) { 979 sc->sc_flags |= GUS_MIXER_INSTALLED; 980 gus_init_ics2101(sc); 981 } 982 hwif = &gus_hw_if; 983 if (sc->sc_revision >= 10) 984 if (gus_init_cs4231(sc)) 985 hwif = &gusmax_hw_if; 986 987 SELECT_GUS_REG(iot, ioh2, GUSREG_RESET); 988 /* 989 * Check to see how much memory we have on this card; see if any 990 * "mirroring" occurs. We're assuming at least 256K already exists 991 * on the card; otherwise the initial probe would have failed 992 */ 993 994 guspoke(iot, ioh2, 0L, 0x00); 995 for (i = 1; i < 1024; i++) { 996 u_long loc; 997 998 /* 999 * See if we've run into mirroring yet 1000 */ 1001 1002 if (guspeek(iot, ioh2, 0L) != 0) 1003 break; 1004 1005 loc = i << 10; 1006 1007 guspoke(iot, ioh2, loc, 0xaa); 1008 if (guspeek(iot, ioh2, loc) != 0xaa) 1009 break; 1010 } 1011 1012 sc->sc_dsize = i; 1013 1014 /* The "official" (3.x) version number cannot easily be obtained. 1015 * The revision register does not correspond to the minor number 1016 * of the board version. Simply use the revision register as 1017 * identification. 1018 */ 1019 snprintf(gus_device.version, sizeof(gus_device.version), "%d", 1020 sc->sc_revision); 1021 1022 printf("\n%s: Gravis UltraSound", device_xname(sc->sc_dev)); 1023 if (sc->sc_revision >= 10) 1024 printf(" MAX"); 1025 else { 1026 if (HAS_MIXER(sc)) 1027 printf(", mixer"); 1028 if (HAS_CODEC(sc)) 1029 printf(" with CODEC module"); 1030 } 1031 printf(", %dKB memory\n", sc->sc_dsize); 1032 1033 /* A GUS MAX should always have a CODEC installed */ 1034 if ((sc->sc_revision >= 10) && !(HAS_CODEC(sc))) 1035 printf("%s: WARNING: did not attach CODEC on MAX\n", 1036 device_xname(sc->sc_dev)); 1037 1038 /* 1039 * Setup a default interrupt handler 1040 */ 1041 1042 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq, 1043 IST_EDGE, IPL_AUDIO, gusintr, sc /* sc->sc_gusdsp */); 1044 1045 /* 1046 * Set some default values 1047 * XXX others start with 8kHz mono mu-law 1048 */ 1049 1050 sc->sc_irate = sc->sc_orate = 44100; 1051 sc->sc_encoding = AUDIO_ENCODING_SLINEAR_LE; 1052 sc->sc_precision = 16; 1053 sc->sc_voc[GUS_VOICE_LEFT].voccntl |= GUSMASK_DATA_SIZE16; 1054 sc->sc_voc[GUS_VOICE_RIGHT].voccntl |= GUSMASK_DATA_SIZE16; 1055 sc->sc_channels = 1; 1056 sc->sc_ogain = 340; 1057 gus_commit_settings(sc); 1058 1059 /* 1060 * We always put the left channel full left & right channel 1061 * full right. 1062 * For mono playback, we set up both voices playing the same buffer. 1063 */ 1064 bus_space_write_1(iot, ioh2, GUS_VOICE_SELECT, 1065 (unsigned char)GUS_VOICE_LEFT); 1066 SELECT_GUS_REG(iot, ioh2, GUSREG_PAN_POS); 1067 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, GUS_PAN_FULL_LEFT); 1068 1069 bus_space_write_1(iot, ioh2, GUS_VOICE_SELECT, 1070 (unsigned char)GUS_VOICE_RIGHT); 1071 SELECT_GUS_REG(iot, ioh2, GUSREG_PAN_POS); 1072 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, GUS_PAN_FULL_RIGHT); 1073 1074 /* set up buffer to hold the deinterleave, if necessary 1075 for stereo output */ 1076 sc->sc_deintr_buf = kmem_alloc(GUS_MAX_BLOCKSIZE>>1, KM_SLEEP); 1077 1078 /* 1079 * Attach to the generic audio layer 1080 */ 1081 1082 audio_attach_mi(hwif, 1083 HAS_CODEC(sc) ? (void *)&sc->sc_codec : (void *)sc, sc->sc_dev); 1084} 1085 1086int 1087gusopen(void *addr, int flags) 1088{ 1089 struct gus_softc *sc; 1090 1091 sc = addr; 1092 DPRINTF(("gusopen() called\n")); 1093 1094 if (sc->sc_flags & GUS_OPEN) 1095 return EBUSY; 1096 1097 /* 1098 * Some initialization 1099 */ 1100 1101 sc->sc_flags |= GUS_OPEN; 1102 sc->sc_dmabuf = 0; 1103 sc->sc_playbuf = -1; 1104 sc->sc_bufcnt = 0; 1105 sc->sc_voc[GUS_VOICE_LEFT].start_addr = GUS_MEM_OFFSET - 1; 1106 sc->sc_voc[GUS_VOICE_LEFT].current_addr = GUS_MEM_OFFSET; 1107 1108 if (HAS_CODEC(sc)) { 1109 ad1848_open(&sc->sc_codec.sc_ad1848, flags); 1110 sc->sc_codec.sc_ad1848.mute[AD1848_AUX1_CHANNEL] = 0; 1111 1112 /* turn on DAC output */ 1113 ad1848_mute_channel(&sc->sc_codec.sc_ad1848, 1114 AD1848_AUX1_CHANNEL, 0); 1115 if (flags & FREAD) { 1116 sc->sc_codec.sc_ad1848.mute[AD1848_MONO_CHANNEL] = 0; 1117 ad1848_mute_channel(&sc->sc_codec.sc_ad1848, 1118 AD1848_MONO_CHANNEL, 0); 1119 } 1120 } else if (flags & FREAD) { 1121 /* enable/unmute the microphone */ 1122 if (HAS_MIXER(sc)) { 1123 gusics_mic_mute(&sc->sc_mixer, 0); 1124 } else 1125 gus_mic_ctl(sc, SPKR_ON); 1126 } 1127 if (sc->sc_nbufs == 0) 1128 gus_round_blocksize(sc, GUS_BUFFER_MULTIPLE, /* default blksiz */ 1129 0, NULL); /* XXX */ 1130 return 0; 1131} 1132 1133int 1134gusmaxopen(void *addr, int flags) 1135{ 1136 struct ad1848_isa_softc *ac; 1137 1138 ac = addr; 1139 return gusopen(ac->sc_ad1848.parent, flags); 1140} 1141 1142STATIC void 1143gus_deinterleave(struct gus_softc *sc, void *tbuf, int size) 1144{ 1145 /* deinterleave the stereo data. We can use sc->sc_deintr_buf 1146 for scratch space. */ 1147 int i; 1148 1149 if (size > sc->sc_blocksize) { 1150 printf("gus: deinterleave %d > %d\n", size, sc->sc_blocksize); 1151 return; 1152 } else if (size < sc->sc_blocksize) { 1153 DPRINTF(("gus: deinterleave %d < %d\n", size, 1154 sc->sc_blocksize)); 1155 } 1156 1157 /* 1158 * size is in bytes. 1159 */ 1160 if (sc->sc_precision == 16) { 1161 u_short *dei = sc->sc_deintr_buf; 1162 u_short *sbuf = tbuf; 1163 size >>= 1; /* bytecnt to shortcnt */ 1164 /* copy 2nd of each pair of samples to the staging area, while 1165 compacting the 1st of each pair into the original area. */ 1166 for (i = 0; i < size/2-1; i++) { 1167 dei[i] = sbuf[i*2+1]; 1168 sbuf[i+1] = sbuf[i*2+2]; 1169 } 1170 /* 1171 * this has copied one less sample than half of the 1172 * buffer. The first sample of the 1st stream was 1173 * already in place and didn't need copying. 1174 * Therefore, we've moved all of the 1st stream's 1175 * samples into place. We have one sample from 2nd 1176 * stream in the last slot of original area, not 1177 * copied to the staging area (But we don't need to!). 1178 * Copy the remainder of the original stream into place. 1179 */ 1180 memcpy(&sbuf[size/2], dei, i * sizeof(short)); 1181 } else { 1182 u_char *dei = sc->sc_deintr_buf; 1183 u_char *sbuf = tbuf; 1184 for (i = 0; i < size/2-1; i++) { 1185 dei[i] = sbuf[i*2+1]; 1186 sbuf[i+1] = sbuf[i*2+2]; 1187 } 1188 memcpy(&sbuf[size/2], dei, i); 1189 } 1190} 1191 1192/* 1193 * Actually output a buffer to the DSP chip 1194 */ 1195 1196int 1197gusmax_dma_output(void *addr, void *tbuf, int size, 1198 void (*intr)(void *), void *arg) 1199{ 1200 struct ad1848_isa_softc *ac; 1201 1202 ac = addr; 1203 return gus_dma_output(ac->sc_ad1848.parent, tbuf, size, intr, arg); 1204} 1205 1206/* 1207 * called from interrupt handler. 1208 */ 1209void 1210stereo_dmaintr(void *arg) 1211{ 1212 struct gus_softc *sc; 1213 struct stereo_dma_intr *sa; 1214 1215 DMAPRINTF(("stereo_dmaintr")); 1216 sc = arg; 1217 sa = &sc->sc_stereo; 1218 1219 KASSERT(mutex_owned(&sc->sc_codec.sc_ad1848.sc_intr_lock)); 1220 1221 /* 1222 * Put other half in its place, then call the real interrupt routine :) 1223 */ 1224 1225 sc->sc_dmaoutintr = sa->intr; 1226 sc->sc_outarg = sa->arg; 1227 1228#ifdef GUSPLAYDEBUG 1229 if (gusstats) { 1230 microtime(&dmarecords[dmarecord_index].tv); 1231 dmarecords[dmarecord_index].gusaddr = sa->dmabuf; 1232 dmarecords[dmarecord_index].bsdaddr = sa->buffer; 1233 dmarecords[dmarecord_index].count = sa->size; 1234 dmarecords[dmarecord_index].channel = 1; 1235 dmarecords[dmarecord_index].direction = 1; 1236 dmarecord_index = (dmarecord_index + 1) % NDMARECS; 1237 } 1238#endif 1239 1240 gusdmaout(sc, sa->flags, sa->dmabuf, (void *) sa->buffer, sa->size); 1241 1242 sa->flags = 0; 1243 sa->dmabuf = 0; 1244 sa->buffer = 0; 1245 sa->size = 0; 1246 sa->intr = 0; 1247 sa->arg = 0; 1248} 1249 1250/* 1251 * Start up DMA output to the card. 1252 */ 1253int 1254gus_dma_output(void *addr, void *tbuf, int size, 1255 void (*intr)(void *), void *arg) 1256{ 1257 struct gus_softc *sc; 1258 u_char *buffer; 1259 u_long boarddma; 1260 int flags; 1261 1262 DMAPRINTF(("gus_dma_output %d @ %p\n", size, tbuf)); 1263 sc = addr; 1264 buffer = tbuf; 1265 1266 if (size != sc->sc_blocksize) { 1267 DPRINTF(("gus_dma_output reqsize %d not sc_blocksize %d\n", 1268 size, sc->sc_blocksize)); 1269 return EINVAL; 1270 } 1271 1272 flags = GUSMASK_DMA_WRITE; 1273 if (sc->sc_precision == 16) 1274 flags |= GUSMASK_DMA_DATA_SIZE; 1275 if (sc->sc_encoding == AUDIO_ENCODING_ULAW || 1276 sc->sc_encoding == AUDIO_ENCODING_ALAW || 1277 sc->sc_encoding == AUDIO_ENCODING_ULINEAR_BE || 1278 sc->sc_encoding == AUDIO_ENCODING_ULINEAR_LE) 1279 flags |= GUSMASK_DMA_INVBIT; 1280 1281 if (sc->sc_channels == 2) { 1282 if (sc->sc_precision == 16) { 1283 if (size & 3) { 1284 DPRINTF(("gus_dma_output: unpaired 16bit samples")); 1285 size &= 3; 1286 } 1287 } else if (size & 1) { 1288 DPRINTF(("gus_dma_output: unpaired samples")); 1289 size &= 1; 1290 } 1291 if (size == 0) 1292 return 0; 1293 1294 gus_deinterleave(sc, (void *)buffer, size); 1295 1296 size >>= 1; 1297 1298 boarddma = size * sc->sc_dmabuf + GUS_MEM_OFFSET; 1299 1300 sc->sc_stereo.intr = intr; 1301 sc->sc_stereo.arg = arg; 1302 sc->sc_stereo.size = size; 1303 sc->sc_stereo.dmabuf = boarddma + GUS_LEFT_RIGHT_OFFSET; 1304 sc->sc_stereo.buffer = buffer + size; 1305 sc->sc_stereo.flags = flags; 1306 if (gus_dostereo) { 1307 intr = stereo_dmaintr; 1308 arg = sc; 1309 } 1310 } else 1311 boarddma = size * sc->sc_dmabuf + GUS_MEM_OFFSET; 1312 1313 1314 sc->sc_flags |= GUS_LOCKED; 1315 sc->sc_dmaoutintr = intr; 1316 sc->sc_outarg = arg; 1317 1318#ifdef GUSPLAYDEBUG 1319 if (gusstats) { 1320 microtime(&dmarecords[dmarecord_index].tv); 1321 dmarecords[dmarecord_index].gusaddr = boarddma; 1322 dmarecords[dmarecord_index].bsdaddr = buffer; 1323 dmarecords[dmarecord_index].count = size; 1324 dmarecords[dmarecord_index].channel = 0; 1325 dmarecords[dmarecord_index].direction = 1; 1326 dmarecord_index = (dmarecord_index + 1) % NDMARECS; 1327 } 1328#endif 1329 1330 gusdmaout(sc, flags, boarddma, (void *) buffer, size); 1331 1332 return 0; 1333} 1334 1335void 1336gusmax_close(void *addr) 1337{ 1338 struct ad1848_isa_softc *ac; 1339 struct gus_softc *sc; 1340 1341 ac = addr; 1342 sc = ac->sc_ad1848.parent; 1343#if 0 1344 ac->mute[AD1848_AUX1_CHANNEL] = MUTE_ALL; 1345 ad1848_mute_channel(ac, MUTE_ALL); /* turn off DAC output */ 1346#endif 1347 ad1848_close(&ac->sc_ad1848); 1348 gusclose(sc); 1349} 1350 1351/* 1352 * Close out device stuff. 1353 */ 1354void 1355gusclose(void *addr) 1356{ 1357 struct gus_softc *sc; 1358 1359 sc = addr; 1360 DPRINTF(("gus_close: sc=%p\n", sc)); 1361 1362 KASSERT((sc->sc_flags & (GUS_DMAOUT_ACTIVE | GUS_LOCKED)) == 0); 1363 KASSERT((sc->sc_flags & GUS_DMAIN_ACTIVE) == 0); 1364 1365 sc->sc_flags &= ~GUS_OPEN; 1366 1367 /* turn off speaker, etc. */ 1368 1369 /* make sure the voices shut up: */ 1370 gus_stop_voice(sc, GUS_VOICE_LEFT, 1); 1371 gus_stop_voice(sc, GUS_VOICE_RIGHT, 0); 1372} 1373 1374/* 1375 * Service interrupts. Farm them off to helper routines if we are using the 1376 * GUS for simple playback/record 1377 */ 1378 1379#ifdef DIAGNOSTIC 1380int gusintrcnt; 1381int gusdmaintrcnt; 1382int gusvocintrcnt; 1383#endif 1384 1385int 1386gusintr(void *arg) 1387{ 1388 struct gus_softc *sc; 1389 bus_space_tag_t iot; 1390 bus_space_handle_t ioh1; 1391 bus_space_handle_t ioh2; 1392 unsigned char intr; 1393 int retval; 1394 1395 DPRINTF(("gusintr\n")); 1396 sc = arg; 1397 iot = sc->sc_iot; 1398 ioh1 = sc->sc_ioh1; 1399 ioh2 = sc->sc_ioh2; 1400 retval = 0; 1401#ifdef DIAGNOSTIC 1402 gusintrcnt++; 1403#endif 1404 1405 mutex_spin_enter(&sc->sc_codec.sc_ad1848.sc_intr_lock); 1406 1407 if (HAS_CODEC(sc)) 1408 retval = ad1848_isa_intr(&sc->sc_codec); 1409 if ((intr = bus_space_read_1(iot, ioh1, GUS_IRQ_STATUS)) 1410 & GUSMASK_IRQ_DMATC) { 1411 DMAPRINTF(("gusintr DMA flags=%x\n", sc->sc_flags)); 1412#ifdef DIAGNOSTIC 1413 gusdmaintrcnt++; 1414#endif 1415 retval += gus_dmaout_intr(sc); 1416 if (sc->sc_flags & GUS_DMAIN_ACTIVE) { 1417 SELECT_GUS_REG(iot, ioh2, GUSREG_SAMPLE_CONTROL); 1418 intr = bus_space_read_1(iot, ioh2, GUS_DATA_HIGH); 1419 if (intr & GUSMASK_SAMPLE_DMATC) { 1420 retval += gus_dmain_intr(sc); 1421 } 1422 } 1423 } 1424 if (intr & (GUSMASK_IRQ_VOICE | GUSMASK_IRQ_VOLUME)) { 1425 DMAPRINTF(("gusintr voice flags=%x\n", sc->sc_flags)); 1426#ifdef DIAGNOSTIC 1427 gusvocintrcnt++; 1428#endif 1429 retval += gus_voice_intr(sc); 1430 } 1431 1432 mutex_spin_exit(&sc->sc_codec.sc_ad1848.sc_intr_lock); 1433 1434 return retval; 1435} 1436 1437int gus_bufcnt[GUS_MEM_FOR_BUFFERS / GUS_BUFFER_MULTIPLE]; 1438int gus_restart; /* how many restarts? */ 1439int gus_stops; /* how many times did voice stop? */ 1440int gus_falsestops; /* stopped but not done? */ 1441int gus_continues; 1442 1443struct playcont { 1444 struct timeval tv; 1445 u_int playbuf; 1446 u_int dmabuf; 1447 u_char bufcnt; 1448 u_char vaction; 1449 u_char voccntl; 1450 u_char volcntl; 1451 u_long curaddr; 1452 u_long endaddr; 1453} playstats[NDMARECS]; 1454 1455int playcntr; 1456 1457STATIC void 1458gus_dmaout_timeout(void *arg) 1459{ 1460 struct gus_softc *sc; 1461 bus_space_tag_t iot; 1462 bus_space_handle_t ioh2; 1463 1464 sc = arg; 1465 iot = sc->sc_iot; 1466 ioh2 = sc->sc_ioh2; 1467 printf("%s: dmaout timeout\n", device_xname(sc->sc_dev)); 1468 1469 /* 1470 * Stop any DMA. 1471 */ 1472 mutex_spin_enter(&sc->sc_codec.sc_ad1848.sc_intr_lock); 1473 SELECT_GUS_REG(iot, ioh2, GUSREG_DMA_CONTROL); 1474 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 0); 1475#if 0 1476 /* XXX we will dmadone below? */ 1477 isa_dmaabort(device_parent(sc->sc_dev), sc->sc_playdrq); 1478#endif 1479 1480 gus_dmaout_dointr(sc); 1481 mutex_spin_exit(&sc->sc_codec.sc_ad1848.sc_intr_lock); 1482} 1483 1484 1485/* 1486 * Service DMA interrupts. This routine will only get called if we're doing 1487 * a DMA transfer for playback/record requests from the audio layer. 1488 */ 1489 1490STATIC int 1491gus_dmaout_intr(struct gus_softc *sc) 1492{ 1493 bus_space_tag_t iot; 1494 bus_space_handle_t ioh2; 1495 1496 KASSERT(mutex_owned(&sc->sc_codec.sc_ad1848.sc_intr_lock)); 1497 1498 iot = sc->sc_iot; 1499 ioh2 = sc->sc_ioh2; 1500 /* 1501 * If we got a DMA transfer complete from the GUS DRAM, then deal 1502 * with it. 1503 */ 1504 1505 SELECT_GUS_REG(iot, ioh2, GUSREG_DMA_CONTROL); 1506 if (bus_space_read_1(iot, ioh2, GUS_DATA_HIGH) & GUSMASK_DMA_IRQPEND) { 1507 callout_stop(&sc->sc_dmaout_ch); 1508 gus_dmaout_dointr(sc); 1509 return 1; 1510 } 1511 return 0; 1512} 1513 1514STATIC void 1515gus_dmaout_dointr(struct gus_softc *sc) 1516{ 1517 bus_space_tag_t iot; 1518 bus_space_handle_t ioh2; 1519 1520 KASSERT(mutex_owned(&sc->sc_codec.sc_ad1848.sc_intr_lock)); 1521 1522 iot = sc->sc_iot; 1523 ioh2 = sc->sc_ioh2; 1524 /* sc->sc_dmaoutcnt - 1 because DMA controller counts from zero?. */ 1525 isa_dmadone(sc->sc_ic, sc->sc_playdrq); 1526 sc->sc_flags &= ~GUS_DMAOUT_ACTIVE; /* pending DMA is done */ 1527 DMAPRINTF(("gus_dmaout_dointr %d @ %p\n", sc->sc_dmaoutcnt, 1528 sc->sc_dmaoutaddr)); 1529 1530 /* 1531 * to prevent clicking, we need to copy last sample 1532 * from last buffer to scratch area just before beginning of 1533 * buffer. However, if we're doing formats that are converted by 1534 * the card during the DMA process, we need to pick up the converted 1535 * byte rather than the one we have in memory. 1536 */ 1537 if (sc->sc_dmabuf == sc->sc_nbufs - 1) { 1538 int i; 1539 switch (sc->sc_encoding) { 1540 case AUDIO_ENCODING_SLINEAR_LE: 1541 case AUDIO_ENCODING_SLINEAR_BE: 1542 if (sc->sc_precision == 8) 1543 goto byte; 1544 /* we have the native format */ 1545 for (i = 1; i <= 2; i++) 1546 guspoke(iot, ioh2, sc->sc_gusaddr - 1547 (sc->sc_nbufs - 1) * sc->sc_chanblocksize - i, 1548 sc->sc_dmaoutaddr[sc->sc_dmaoutcnt-i]); 1549 break; 1550 case AUDIO_ENCODING_ULINEAR_LE: 1551 case AUDIO_ENCODING_ULINEAR_BE: 1552 guspoke(iot, ioh2, sc->sc_gusaddr - 1553 (sc->sc_nbufs - 1) * sc->sc_chanblocksize - 2, 1554 guspeek(iot, ioh2, 1555 sc->sc_gusaddr + sc->sc_chanblocksize - 2)); 1556 /* FALLTHROUGH */ 1557 case AUDIO_ENCODING_ALAW: 1558 case AUDIO_ENCODING_ULAW: 1559 byte: 1560 /* we need to fetch the translated byte, then stuff it. */ 1561 guspoke(iot, ioh2, sc->sc_gusaddr - 1562 (sc->sc_nbufs - 1) * sc->sc_chanblocksize - 1, 1563 guspeek(iot, ioh2, 1564 sc->sc_gusaddr + sc->sc_chanblocksize - 1)); 1565 break; 1566 } 1567 } 1568 /* 1569 * If this is the first half of stereo, "ignore" this one 1570 * and copy out the second half. 1571 */ 1572 if (sc->sc_dmaoutintr == stereo_dmaintr) { 1573 (*sc->sc_dmaoutintr)(sc->sc_outarg); 1574 return; 1575 } 1576 /* 1577 * If the voice is stopped, then start it. Reset the loop 1578 * and roll bits. Call the audio layer routine, since if 1579 * we're starting a stopped voice, that means that the next 1580 * buffer can be filled 1581 */ 1582 1583 sc->sc_flags &= ~GUS_LOCKED; 1584 if (sc->sc_voc[GUS_VOICE_LEFT].voccntl & 1585 GUSMASK_VOICE_STOPPED) { 1586 if (sc->sc_flags & GUS_PLAYING) { 1587 printf("%s: playing yet stopped?\n", device_xname(sc->sc_dev)); 1588 } 1589 sc->sc_bufcnt++; /* another yet to be played */ 1590 gus_start_playing(sc, sc->sc_dmabuf); 1591 gus_restart++; 1592 } else { 1593 /* 1594 * set the sound action based on which buffer we 1595 * just transferred. If we just transferred buffer 0 1596 * we want the sound to loop when it gets to the nth 1597 * buffer; if we just transferred 1598 * any other buffer, we want the sound to roll over 1599 * at least one more time. The voice interrupt 1600 * handlers will take care of accounting & 1601 * setting control bits if it's not caught up to us 1602 * yet. 1603 */ 1604 if (++sc->sc_bufcnt == 2) { 1605 /* 1606 * XXX 1607 * If we're too slow in reaction here, 1608 * the voice could be just approaching the 1609 * end of its run. It should be set to stop, 1610 * so these adjustments might not DTRT. 1611 */ 1612 if (sc->sc_dmabuf == 0 && 1613 sc->sc_playbuf == sc->sc_nbufs - 1) { 1614 /* player is just at the last tbuf, we're at the 1615 first. Turn on looping, turn off rolling. */ 1616 sc->sc_voc[GUS_VOICE_LEFT].voccntl |= GUSMASK_LOOP_ENABLE; 1617 sc->sc_voc[GUS_VOICE_LEFT].volcntl &= ~GUSMASK_VOICE_ROLL; 1618 playstats[playcntr].vaction = 3; 1619 } else { 1620 /* player is at previous tbuf: 1621 turn on rolling, turn off looping */ 1622 sc->sc_voc[GUS_VOICE_LEFT].voccntl &= ~GUSMASK_LOOP_ENABLE; 1623 sc->sc_voc[GUS_VOICE_LEFT].volcntl |= GUSMASK_VOICE_ROLL; 1624 playstats[playcntr].vaction = 4; 1625 } 1626#ifdef GUSPLAYDEBUG 1627 if (gusstats) { 1628 microtime(&playstats[playcntr].tv); 1629 playstats[playcntr].endaddr 1630 = sc->sc_voc[GUS_VOICE_LEFT].end_addr; 1631 playstats[playcntr].voccntl 1632 = sc->sc_voc[GUS_VOICE_LEFT].voccntl; 1633 playstats[playcntr].volcntl 1634 = sc->sc_voc[GUS_VOICE_LEFT].volcntl; 1635 playstats[playcntr].playbuf = sc->sc_playbuf; 1636 playstats[playcntr].dmabuf = sc->sc_dmabuf; 1637 playstats[playcntr].bufcnt = sc->sc_bufcnt; 1638 playstats[playcntr].curaddr 1639 = gus_get_curaddr(sc, GUS_VOICE_LEFT); 1640 playcntr = (playcntr + 1) % NDMARECS; 1641 } 1642#endif 1643 bus_space_write_1(iot, ioh2, GUS_VOICE_SELECT, GUS_VOICE_LEFT); 1644 SELECT_GUS_REG(iot, ioh2, GUSREG_VOICE_CNTL); 1645 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 1646 sc->sc_voc[GUS_VOICE_LEFT].voccntl); 1647 SELECT_GUS_REG(iot, ioh2, GUSREG_VOLUME_CONTROL); 1648 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 1649 sc->sc_voc[GUS_VOICE_LEFT].volcntl); 1650 } 1651 } 1652 gus_bufcnt[sc->sc_bufcnt-1]++; 1653 /* 1654 * flip to the next DMA buffer 1655 */ 1656 1657 sc->sc_dmabuf = (sc->sc_dmabuf + 1) % sc->sc_nbufs; 1658 /* 1659 * See comments below about DMA admission control strategy. 1660 * We can call the upper level here if we have an 1661 * idle buffer (not currently playing) to DMA into. 1662 */ 1663 if (sc->sc_dmaoutintr && sc->sc_bufcnt < sc->sc_nbufs) { 1664 /* clean out to prevent double calls */ 1665 void (*pfunc)(void *); 1666 void *arg; 1667 1668 pfunc = sc->sc_dmaoutintr; 1669 arg = sc->sc_outarg; 1670 sc->sc_outarg = 0; 1671 sc->sc_dmaoutintr = 0; 1672 (*pfunc)(arg); 1673 } 1674} 1675 1676/* 1677 * Service voice interrupts 1678 */ 1679 1680STATIC int 1681gus_voice_intr(struct gus_softc *sc) 1682{ 1683 bus_space_tag_t iot; 1684 bus_space_handle_t ioh2; 1685 int ignore, voice, rval; 1686 unsigned char intr, status; 1687 1688 KASSERT(mutex_owned(&sc->sc_codec.sc_ad1848.sc_intr_lock)); 1689 1690 iot = sc->sc_iot; 1691 ioh2 = sc->sc_ioh2; 1692 ignore = 0; 1693 rval = 0; 1694 /* 1695 * The point of this may not be obvious at first. A voice can 1696 * interrupt more than once; according to the GUS SDK we are supposed 1697 * to ignore multiple interrupts for the same voice. 1698 */ 1699 1700 while (1) { 1701 SELECT_GUS_REG(iot, ioh2, GUSREG_IRQ_STATUS); 1702 intr = bus_space_read_1(iot, ioh2, GUS_DATA_HIGH); 1703 1704 if ((intr & (GUSMASK_WIRQ_VOLUME | GUSMASK_WIRQ_VOICE)) 1705 == (GUSMASK_WIRQ_VOLUME | GUSMASK_WIRQ_VOICE)) 1706 /* 1707 * No more interrupts, time to return 1708 */ 1709 return rval; 1710 1711 if ((intr & GUSMASK_WIRQ_VOICE) == 0) { 1712 1713 /* 1714 * We've got a voice interrupt. Ignore previous 1715 * interrupts by the same voice. 1716 */ 1717 1718 rval = 1; 1719 voice = intr & GUSMASK_WIRQ_VOICEMASK; 1720 1721 if ((1 << voice) & ignore) 1722 break; 1723 1724 ignore |= 1 << voice; 1725 1726 /* 1727 * If the voice is stopped, then force it to stop 1728 * (this stops it from continuously generating IRQs) 1729 */ 1730 1731 SELECT_GUS_REG(iot, ioh2, GUSREG_VOICE_CNTL+0x80); 1732 status = bus_space_read_1(iot, ioh2, GUS_DATA_HIGH); 1733 if (status & GUSMASK_VOICE_STOPPED) { 1734 if (voice != GUS_VOICE_LEFT) { 1735 DMAPRINTF(("%s: spurious voice %d " 1736 "stop?\n", 1737 device_xname(sc->sc_dev), voice)); 1738 gus_stop_voice(sc, voice, 0); 1739 continue; 1740 } 1741 gus_stop_voice(sc, voice, 1); 1742 /* also kill right voice */ 1743 gus_stop_voice(sc, GUS_VOICE_RIGHT, 0); 1744 sc->sc_bufcnt--; /* it finished a buffer */ 1745 if (sc->sc_bufcnt > 0) { 1746 /* 1747 * probably a race to get here: the 1748 * voice stopped while the DMA code was 1749 * just trying to get the next buffer 1750 * in place. Start the voice again. 1751 */ 1752 printf("%s: stopped voice not drained?" 1753 " (%x)\n", 1754 device_xname(sc->sc_dev), 1755 sc->sc_bufcnt); 1756 gus_falsestops++; 1757 1758 sc->sc_playbuf = (sc->sc_playbuf + 1) 1759 % sc->sc_nbufs; 1760 gus_start_playing(sc, sc->sc_playbuf); 1761 } else if (sc->sc_bufcnt < 0) { 1762 panic("%s: negative bufcnt in stopped " 1763 "voice", device_xname(sc->sc_dev)); 1764 } else { 1765 sc->sc_playbuf = -1; /* none are active */ 1766 gus_stops++; 1767 } 1768 /* fall through to callback and admit another 1769 buffer.... */ 1770 } else if (sc->sc_bufcnt != 0) { 1771 /* 1772 * This should always be taken if the voice 1773 * is not stopped. 1774 */ 1775 gus_continues++; 1776 if (gus_continue_playing(sc, voice)) { 1777 /* 1778 * we shouldn't have continued--active 1779 * DMA is in the way in the ring, for 1780 * some as-yet undebugged reason. 1781 */ 1782 gus_stop_voice(sc, GUS_VOICE_LEFT, 1); 1783 /* also kill right voice */ 1784 gus_stop_voice(sc, GUS_VOICE_RIGHT, 0); 1785 sc->sc_playbuf = -1; 1786 gus_stops++; 1787 } 1788 } 1789 /* 1790 * call the upper level to send on down another 1791 * block. We do admission rate control as follows: 1792 * 1793 * When starting up output (in the first N 1794 * blocks), call the upper layer after the DMA is 1795 * complete (see above in gus_dmaout_intr()). 1796 * 1797 * When output is already in progress and we have 1798 * no more GUS buffers to use for DMA, the DMA 1799 * output routines do not call the upper layer. 1800 * Instead, we call the DMA completion routine 1801 * here, after the voice interrupts indicating 1802 * that it's finished with a buffer. 1803 * 1804 * However, don't call anything here if the DMA 1805 * output flag is set, (which shouldn't happen) 1806 * because we'll squish somebody else's DMA if 1807 * that's the case. When DMA is done, it will 1808 * call back if there is a spare buffer. 1809 */ 1810 if (sc->sc_dmaoutintr && !(sc->sc_flags & GUS_LOCKED)) { 1811 if (sc->sc_dmaoutintr == stereo_dmaintr) 1812 printf("gusdmaout botch?\n"); 1813 else { 1814 /* clean out to avoid double calls */ 1815 void (*pfunc)(void *); 1816 void *arg; 1817 1818 pfunc = sc->sc_dmaoutintr; 1819 arg = sc->sc_outarg; 1820 sc->sc_outarg = 0; 1821 sc->sc_dmaoutintr = 0; 1822 (*pfunc)(arg); 1823 } 1824 } 1825 } 1826 1827 /* 1828 * Ignore other interrupts for now 1829 */ 1830 } 1831 return 0; 1832} 1833 1834/* 1835 * Start the voices playing, with buffer BUFNO. 1836 */ 1837STATIC void 1838gus_start_playing(struct gus_softc *sc, int bufno) 1839{ 1840 bus_space_tag_t iot; 1841 bus_space_handle_t ioh2; 1842 1843 iot = sc->sc_iot; 1844 ioh2 = sc->sc_ioh2; 1845 /* 1846 * Loop or roll if we have buffers ready. 1847 */ 1848 1849 if (sc->sc_bufcnt == 1) { 1850 sc->sc_voc[GUS_VOICE_LEFT].voccntl &= ~(GUSMASK_LOOP_ENABLE); 1851 sc->sc_voc[GUS_VOICE_LEFT].volcntl &= ~(GUSMASK_VOICE_ROLL); 1852 } else { 1853 if (bufno == sc->sc_nbufs - 1) { 1854 sc->sc_voc[GUS_VOICE_LEFT].voccntl |= GUSMASK_LOOP_ENABLE; 1855 sc->sc_voc[GUS_VOICE_LEFT].volcntl &= ~(GUSMASK_VOICE_ROLL); 1856 } else { 1857 sc->sc_voc[GUS_VOICE_LEFT].voccntl &= ~GUSMASK_LOOP_ENABLE; 1858 sc->sc_voc[GUS_VOICE_LEFT].volcntl |= GUSMASK_VOICE_ROLL; 1859 } 1860 } 1861 1862 bus_space_write_1(iot, ioh2, GUS_VOICE_SELECT, GUS_VOICE_LEFT); 1863 1864 SELECT_GUS_REG(iot, ioh2, GUSREG_VOICE_CNTL); 1865 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, sc->sc_voc[GUS_VOICE_LEFT].voccntl); 1866 1867 SELECT_GUS_REG(iot, ioh2, GUSREG_VOLUME_CONTROL); 1868 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, sc->sc_voc[GUS_VOICE_LEFT].volcntl); 1869 1870 sc->sc_voc[GUS_VOICE_LEFT].current_addr = 1871 GUS_MEM_OFFSET + sc->sc_chanblocksize * bufno; 1872 sc->sc_voc[GUS_VOICE_LEFT].end_addr = 1873 sc->sc_voc[GUS_VOICE_LEFT].current_addr + sc->sc_chanblocksize - 1; 1874 sc->sc_voc[GUS_VOICE_RIGHT].current_addr = 1875 sc->sc_voc[GUS_VOICE_LEFT].current_addr + 1876 (gus_dostereo && sc->sc_channels == 2 ? GUS_LEFT_RIGHT_OFFSET : 0); 1877 /* 1878 * set up right channel to just loop forever, no interrupts, 1879 * starting at the buffer we just filled. We'll feed it data 1880 * at the same time as left channel. 1881 */ 1882 sc->sc_voc[GUS_VOICE_RIGHT].voccntl |= GUSMASK_LOOP_ENABLE; 1883 sc->sc_voc[GUS_VOICE_RIGHT].volcntl &= ~(GUSMASK_VOICE_ROLL); 1884 1885#ifdef GUSPLAYDEBUG 1886 if (gusstats) { 1887 microtime(&playstats[playcntr].tv); 1888 playstats[playcntr].curaddr = sc->sc_voc[GUS_VOICE_LEFT].current_addr; 1889 1890 playstats[playcntr].voccntl = sc->sc_voc[GUS_VOICE_LEFT].voccntl; 1891 playstats[playcntr].volcntl = sc->sc_voc[GUS_VOICE_LEFT].volcntl; 1892 playstats[playcntr].endaddr = sc->sc_voc[GUS_VOICE_LEFT].end_addr; 1893 playstats[playcntr].playbuf = bufno; 1894 playstats[playcntr].dmabuf = sc->sc_dmabuf; 1895 playstats[playcntr].bufcnt = sc->sc_bufcnt; 1896 playstats[playcntr].vaction = 5; 1897 playcntr = (playcntr + 1) % NDMARECS; 1898 } 1899#endif 1900 1901 bus_space_write_1(iot, ioh2, GUS_VOICE_SELECT, GUS_VOICE_RIGHT); 1902 SELECT_GUS_REG(iot, ioh2, GUSREG_VOICE_CNTL); 1903 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, sc->sc_voc[GUS_VOICE_RIGHT].voccntl); 1904 SELECT_GUS_REG(iot, ioh2, GUSREG_VOLUME_CONTROL); 1905 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, sc->sc_voc[GUS_VOICE_RIGHT].volcntl); 1906 1907 gus_start_voice(sc, GUS_VOICE_RIGHT, 0); 1908 gus_start_voice(sc, GUS_VOICE_LEFT, 1); 1909 if (sc->sc_playbuf == -1) 1910 /* mark start of playing */ 1911 sc->sc_playbuf = bufno; 1912} 1913 1914STATIC int 1915gus_continue_playing(struct gus_softc *sc, int voice) 1916{ 1917 bus_space_tag_t iot; 1918 bus_space_handle_t ioh2; 1919 1920 KASSERT(mutex_owned(&sc->sc_codec.sc_ad1848.sc_intr_lock)); 1921 1922 /* 1923 * stop this voice from interrupting while we work. 1924 */ 1925 iot = sc->sc_iot; 1926 ioh2 = sc->sc_ioh2; 1927 1928 SELECT_GUS_REG(iot, ioh2, GUSREG_VOICE_CNTL); 1929 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 1930 sc->sc_voc[voice].voccntl & ~(GUSMASK_VOICE_IRQ)); 1931 1932 /* 1933 * update playbuf to point to the buffer the hardware just started 1934 * playing 1935 */ 1936 sc->sc_playbuf = (sc->sc_playbuf + 1) % sc->sc_nbufs; 1937 1938 /* 1939 * account for buffer just finished 1940 */ 1941 if (--sc->sc_bufcnt == 0) { 1942 DPRINTF(("gus: bufcnt 0 on continuing voice?\n")); 1943 } 1944 if (sc->sc_playbuf == sc->sc_dmabuf && (sc->sc_flags & GUS_LOCKED)) { 1945 aprint_error_dev(sc->sc_dev, "continue into active dmabuf?\n"); 1946 return 1; 1947 } 1948 1949 /* 1950 * Select the end of the buffer based on the currently active 1951 * buffer, [plus extra contiguous buffers (if ready)]. 1952 */ 1953 1954 /* 1955 * set endpoint at end of buffer we just started playing. 1956 * 1957 * The total gets -1 because end addrs are one less than you might 1958 * think (the end_addr is the address of the last sample to play) 1959 */ 1960 gus_set_endaddr(sc, voice, GUS_MEM_OFFSET + 1961 sc->sc_chanblocksize * (sc->sc_playbuf + 1) - 1); 1962 1963 if (sc->sc_bufcnt < 2) { 1964 /* 1965 * Clear out the loop and roll flags, and rotate the currently 1966 * playing buffer. That way, if we don't manage to get more 1967 * data before this buffer finishes, we'll just stop. 1968 */ 1969 sc->sc_voc[voice].voccntl &= ~GUSMASK_LOOP_ENABLE; 1970 sc->sc_voc[voice].volcntl &= ~GUSMASK_VOICE_ROLL; 1971 playstats[playcntr].vaction = 0; 1972 } else { 1973 /* 1974 * We have some buffers to play. set LOOP if we're on the 1975 * last buffer in the ring, otherwise set ROLL. 1976 */ 1977 if (sc->sc_playbuf == sc->sc_nbufs - 1) { 1978 sc->sc_voc[voice].voccntl |= GUSMASK_LOOP_ENABLE; 1979 sc->sc_voc[voice].volcntl &= ~GUSMASK_VOICE_ROLL; 1980 playstats[playcntr].vaction = 1; 1981 } else { 1982 sc->sc_voc[voice].voccntl &= ~GUSMASK_LOOP_ENABLE; 1983 sc->sc_voc[voice].volcntl |= GUSMASK_VOICE_ROLL; 1984 playstats[playcntr].vaction = 2; 1985 } 1986 } 1987#ifdef GUSPLAYDEBUG 1988 if (gusstats) { 1989 microtime(&playstats[playcntr].tv); 1990 playstats[playcntr].curaddr = gus_get_curaddr(sc, voice); 1991 1992 playstats[playcntr].voccntl = sc->sc_voc[voice].voccntl; 1993 playstats[playcntr].volcntl = sc->sc_voc[voice].volcntl; 1994 playstats[playcntr].endaddr = sc->sc_voc[voice].end_addr; 1995 playstats[playcntr].playbuf = sc->sc_playbuf; 1996 playstats[playcntr].dmabuf = sc->sc_dmabuf; 1997 playstats[playcntr].bufcnt = sc->sc_bufcnt; 1998 playcntr = (playcntr + 1) % NDMARECS; 1999 } 2000#endif 2001 2002 /* 2003 * (re-)set voice parameters. This will reenable interrupts from this 2004 * voice. 2005 */ 2006 2007 SELECT_GUS_REG(iot, ioh2, GUSREG_VOICE_CNTL); 2008 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, sc->sc_voc[voice].voccntl); 2009 SELECT_GUS_REG(iot, ioh2, GUSREG_VOLUME_CONTROL); 2010 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, sc->sc_voc[voice].volcntl); 2011 return 0; 2012} 2013 2014/* 2015 * Send/receive data into GUS's DRAM using DMA. 2016 */ 2017STATIC void 2018gusdmaout(struct gus_softc *sc, int flags, 2019 u_long gusaddr, void *buffaddr, int length) 2020{ 2021 unsigned char c; 2022 bus_space_tag_t iot; 2023 bus_space_handle_t ioh2; 2024 2025 KASSERT(mutex_owned(&sc->sc_codec.sc_ad1848.sc_intr_lock)); 2026 2027 DMAPRINTF(("gusdmaout flags=%x scflags=%x\n", flags, sc->sc_flags)); 2028 c = (unsigned char) flags; 2029 iot = sc->sc_iot; 2030 ioh2 = sc->sc_ioh2; 2031 2032 sc->sc_gusaddr = gusaddr; 2033 2034 /* 2035 * If we're using a 16 bit DMA channel, we have to jump through some 2036 * extra hoops; this includes translating the DRAM address a bit 2037 */ 2038 2039 if (sc->sc_playdrq >= 4) { 2040 c |= GUSMASK_DMA_WIDTH; 2041 gusaddr = convert_to_16bit(gusaddr); 2042 } 2043 2044 /* 2045 * Add flag bits that we always set - fast DMA, enable IRQ 2046 */ 2047 2048 c |= GUSMASK_DMA_ENABLE | GUSMASK_DMA_R0 | GUSMASK_DMA_IRQ; 2049 2050 /* 2051 * Make sure the GUS _isn't_ setup for DMA 2052 */ 2053 2054 SELECT_GUS_REG(iot, ioh2, GUSREG_DMA_CONTROL); 2055 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 0); 2056 2057 /* 2058 * Tell the PC DMA controller to start doing DMA 2059 */ 2060 2061 sc->sc_dmaoutaddr = (u_char *) buffaddr; 2062 sc->sc_dmaoutcnt = length; 2063 isa_dmastart(sc->sc_ic, sc->sc_playdrq, buffaddr, length, 2064 NULL, DMAMODE_WRITE, BUS_DMA_NOWAIT); 2065 2066 /* 2067 * Set up DMA address - use the upper 16 bits ONLY 2068 */ 2069 2070 sc->sc_flags |= GUS_DMAOUT_ACTIVE; 2071 2072 SELECT_GUS_REG(iot, ioh2, GUSREG_DMA_START); 2073 bus_space_write_2(iot, ioh2, GUS_DATA_LOW, (int) (gusaddr >> 4)); 2074 2075 /* 2076 * Tell the GUS to start doing DMA 2077 */ 2078 2079 SELECT_GUS_REG(iot, ioh2, GUSREG_DMA_CONTROL); 2080 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, c); 2081 2082 /* 2083 * XXX If we don't finish in one second, give up... 2084 */ 2085 callout_reset(&sc->sc_dmaout_ch, hz, gus_dmaout_timeout, sc); 2086} 2087 2088/* 2089 * Start a voice playing on the GUS. 2090 */ 2091 2092STATIC void 2093gus_start_voice(struct gus_softc *sc, int voice, int intrs) 2094{ 2095 bus_space_tag_t iot; 2096 bus_space_handle_t ioh2; 2097 u_long start; 2098 u_long current; 2099 u_long end; 2100 2101 KASSERT(mutex_owned(&sc->sc_codec.sc_ad1848.sc_intr_lock)); 2102 2103 iot = sc->sc_iot; 2104 ioh2 = sc->sc_ioh2; 2105 /* 2106 * Pick all the values for the voice out of the gus_voice struct 2107 * and use those to program the voice 2108 */ 2109 2110 start = sc->sc_voc[voice].start_addr; 2111 current = sc->sc_voc[voice].current_addr; 2112 end = sc->sc_voc[voice].end_addr; 2113 2114 /* 2115 * If we're using 16 bit data, mangle the addresses a bit 2116 */ 2117 2118 if (sc->sc_voc[voice].voccntl & GUSMASK_DATA_SIZE16) { 2119 /* -1 on start so that we get onto sample boundary--other 2120 * code always sets it for 1-byte rollover protection */ 2121 start = convert_to_16bit(start-1); 2122 current = convert_to_16bit(current); 2123 end = convert_to_16bit(end); 2124 } 2125 2126 /* 2127 * Select the voice we want to use, and program the data addresses 2128 */ 2129 2130 bus_space_write_1(iot, ioh2, GUS_VOICE_SELECT, (unsigned char) voice); 2131 2132 SELECT_GUS_REG(iot, ioh2, GUSREG_START_ADDR_HIGH); 2133 bus_space_write_2(iot, ioh2, GUS_DATA_LOW, ADDR_HIGH(start)); 2134 SELECT_GUS_REG(iot, ioh2, GUSREG_START_ADDR_LOW); 2135 bus_space_write_2(iot, ioh2, GUS_DATA_LOW, ADDR_LOW(start)); 2136 2137 SELECT_GUS_REG(iot, ioh2, GUSREG_CUR_ADDR_HIGH); 2138 bus_space_write_2(iot, ioh2, GUS_DATA_LOW, ADDR_HIGH(current)); 2139 SELECT_GUS_REG(iot, ioh2, GUSREG_CUR_ADDR_LOW); 2140 bus_space_write_2(iot, ioh2, GUS_DATA_LOW, ADDR_LOW(current)); 2141 2142 SELECT_GUS_REG(iot, ioh2, GUSREG_END_ADDR_HIGH); 2143 bus_space_write_2(iot, ioh2, GUS_DATA_LOW, ADDR_HIGH(end)); 2144 SELECT_GUS_REG(iot, ioh2, GUSREG_END_ADDR_LOW); 2145 bus_space_write_2(iot, ioh2, GUS_DATA_LOW, ADDR_LOW(end)); 2146 2147 /* 2148 * (maybe) enable interrupts, disable voice stopping 2149 */ 2150 2151 if (intrs) { 2152 sc->sc_flags |= GUS_PLAYING; /* playing is about to start */ 2153 sc->sc_voc[voice].voccntl |= GUSMASK_VOICE_IRQ; 2154 DMAPRINTF(("gus voice playing=%x\n", sc->sc_flags)); 2155 } else 2156 sc->sc_voc[voice].voccntl &= ~GUSMASK_VOICE_IRQ; 2157 sc->sc_voc[voice].voccntl &= ~(GUSMASK_VOICE_STOPPED | 2158 GUSMASK_STOP_VOICE); 2159 2160 /* 2161 * Tell the GUS about it. Note that we're doing volume ramping here 2162 * from 0 up to the set volume to help reduce clicks. 2163 */ 2164 2165 SELECT_GUS_REG(iot, ioh2, GUSREG_START_VOLUME); 2166 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 0x00); 2167 SELECT_GUS_REG(iot, ioh2, GUSREG_END_VOLUME); 2168 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 2169 sc->sc_voc[voice].current_volume >> 4); 2170 SELECT_GUS_REG(iot, ioh2, GUSREG_CUR_VOLUME); 2171 bus_space_write_2(iot, ioh2, GUS_DATA_LOW, 0x00); 2172 SELECT_GUS_REG(iot, ioh2, GUSREG_VOLUME_RATE); 2173 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 63); 2174 2175 SELECT_GUS_REG(iot, ioh2, GUSREG_VOICE_CNTL); 2176 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, sc->sc_voc[voice].voccntl); 2177 SELECT_GUS_REG(iot, ioh2, GUSREG_VOLUME_CONTROL); 2178 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 0x00); 2179 delay(50); 2180 SELECT_GUS_REG(iot, ioh2, GUSREG_VOICE_CNTL); 2181 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, sc->sc_voc[voice].voccntl); 2182 SELECT_GUS_REG(iot, ioh2, GUSREG_VOLUME_CONTROL); 2183 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 0x00); 2184 2185} 2186 2187/* 2188 * Stop a given voice. 2189 */ 2190STATIC void 2191gus_stop_voice(struct gus_softc *sc, int voice, int intrs_too) 2192{ 2193 bus_space_tag_t iot; 2194 bus_space_handle_t ioh2; 2195 2196 KASSERT(mutex_owned(&sc->sc_codec.sc_ad1848.sc_intr_lock)); 2197 2198 iot = sc->sc_iot; 2199 ioh2 = sc->sc_ioh2; 2200 sc->sc_voc[voice].voccntl |= GUSMASK_VOICE_STOPPED | 2201 GUSMASK_STOP_VOICE; 2202 if (intrs_too) { 2203 sc->sc_voc[voice].voccntl &= ~(GUSMASK_VOICE_IRQ); 2204 /* no more DMA to do */ 2205 sc->sc_flags &= ~GUS_PLAYING; 2206 } 2207 DMAPRINTF(("gusintr voice notplaying=%x\n", sc->sc_flags)); 2208 2209 guspoke(iot, ioh2, 0L, 0); 2210 2211 bus_space_write_1(iot, ioh2, GUS_VOICE_SELECT, (unsigned char) voice); 2212 2213 SELECT_GUS_REG(iot, ioh2, GUSREG_CUR_VOLUME); 2214 bus_space_write_2(iot, ioh2, GUS_DATA_LOW, 0x0000); 2215 SELECT_GUS_REG(iot, ioh2, GUSREG_VOICE_CNTL); 2216 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, sc->sc_voc[voice].voccntl); 2217 delay(100); 2218 SELECT_GUS_REG(iot, ioh2, GUSREG_CUR_VOLUME); 2219 bus_space_write_2(iot, ioh2, GUS_DATA_LOW, 0x0000); 2220 SELECT_GUS_REG(iot, ioh2, GUSREG_VOICE_CNTL); 2221 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, sc->sc_voc[voice].voccntl); 2222 2223 SELECT_GUS_REG(iot, ioh2, GUSREG_CUR_ADDR_HIGH); 2224 bus_space_write_2(iot, ioh2, GUS_DATA_LOW, 0x0000); 2225 SELECT_GUS_REG(iot, ioh2, GUSREG_CUR_ADDR_LOW); 2226 bus_space_write_2(iot, ioh2, GUS_DATA_LOW, 0x0000); 2227 2228} 2229 2230 2231/* 2232 * Set the volume of a given voice. 2233 */ 2234STATIC void 2235gus_set_volume(struct gus_softc *sc, int voice, int volume) 2236{ 2237 bus_space_tag_t iot; 2238 bus_space_handle_t ioh2; 2239 unsigned int gusvol; 2240 2241 KASSERT(mutex_owned(&sc->sc_codec.sc_ad1848.sc_intr_lock)); 2242 2243 iot = sc->sc_iot; 2244 ioh2 = sc->sc_ioh2; 2245 gusvol = gus_log_volumes[volume < 512 ? volume : 511]; 2246 2247 sc->sc_voc[voice].current_volume = gusvol; 2248 2249 bus_space_write_1(iot, ioh2, GUS_VOICE_SELECT, (unsigned char) voice); 2250 2251 SELECT_GUS_REG(iot, ioh2, GUSREG_START_VOLUME); 2252 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 2253 (unsigned char)(gusvol >> 4)); 2254 2255 SELECT_GUS_REG(iot, ioh2, GUSREG_END_VOLUME); 2256 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 2257 (unsigned char)(gusvol >> 4)); 2258 2259 SELECT_GUS_REG(iot, ioh2, GUSREG_CUR_VOLUME); 2260 bus_space_write_2(iot, ioh2, GUS_DATA_LOW, gusvol << 4); 2261 delay(500); 2262 bus_space_write_2(iot, ioh2, GUS_DATA_LOW, gusvol << 4); 2263 2264} 2265 2266/* 2267 * Interface to the audio layer. 2268 */ 2269 2270int 2271gusmax_set_format(void *addr, int setmode, 2272 const audio_params_t *p, const audio_params_t *r, 2273 audio_filter_reg_t *pfil, audio_filter_reg_t *rfil) 2274{ 2275 struct ad1848_isa_softc *ac; 2276 struct gus_softc *sc; 2277 int error; 2278 2279 ac = addr; 2280 sc = ac->sc_ad1848.parent; 2281 error = ad1848_set_format(ac, setmode, p, r, pfil, rfil); 2282 if (error) 2283 return error; 2284 2285 error = gus_set_format(sc, setmode, p, r, pfil, rfil); 2286 return error; 2287} 2288 2289int 2290gus_set_format(void *addr, int setmode, 2291 const audio_params_t *p, const audio_params_t *r, 2292 audio_filter_reg_t *pfil, audio_filter_reg_t *rfil) 2293{ 2294 struct gus_softc *sc; 2295 2296 sc = addr; 2297 2298 mutex_spin_enter(&sc->sc_codec.sc_ad1848.sc_intr_lock); 2299 2300 sc->sc_voc[GUS_VOICE_LEFT].voccntl |= GUSMASK_DATA_SIZE16; 2301 sc->sc_voc[GUS_VOICE_RIGHT].voccntl |= GUSMASK_DATA_SIZE16; 2302 2303 sc->sc_encoding = p->encoding; 2304 sc->sc_precision = p->precision; 2305 sc->sc_channels = p->channels; 2306 2307 if (setmode & AUMODE_RECORD) 2308 sc->sc_irate = p->sample_rate; 2309 if (setmode & AUMODE_PLAY) 2310 sc->sc_orate = p->sample_rate; 2311 2312 mutex_spin_exit(&sc->sc_codec.sc_ad1848.sc_intr_lock); 2313 2314 return 0; 2315} 2316 2317/* 2318 * Interface to the audio layer - set the blocksize to the correct number 2319 * of units 2320 */ 2321 2322int 2323gusmax_round_blocksize(void *addr, int blocksize, 2324 int mode, const audio_params_t *param) 2325{ 2326 struct ad1848_isa_softc *ac; 2327 struct gus_softc *sc; 2328 2329 ac = addr; 2330 sc = ac->sc_ad1848.parent; 2331 return gus_round_blocksize(sc, blocksize, mode, param); 2332} 2333 2334int 2335gus_round_blocksize(void *addr, int blocksize, 2336 int mode, const audio_params_t *param) 2337{ 2338 struct gus_softc *sc; 2339 2340 DPRINTF(("gus_round_blocksize called\n")); 2341 sc = addr; 2342 2343 if ((sc->sc_encoding == AUDIO_ENCODING_ULAW || 2344 sc->sc_encoding == AUDIO_ENCODING_ALAW) && blocksize > 32768) 2345 blocksize = 32768; 2346 else if (blocksize > 65536) 2347 blocksize = 65536; 2348 2349 if ((blocksize % GUS_BUFFER_MULTIPLE) != 0) 2350 blocksize = (blocksize / GUS_BUFFER_MULTIPLE + 1) * 2351 GUS_BUFFER_MULTIPLE; 2352 2353 sc->sc_blocksize = blocksize; 2354 /* multi-buffering not quite working yet. */ 2355 sc->sc_nbufs = /*GUS_MEM_FOR_BUFFERS / blocksize*/ 2; 2356 2357 gus_set_chan_addrs(sc); 2358 2359 return blocksize; 2360} 2361 2362int 2363gus_get_out_gain(void *addr) 2364{ 2365 struct gus_softc *sc; 2366 2367 DPRINTF(("gus_get_out_gain called\n")); 2368 sc = (struct gus_softc *) addr; 2369 return sc->sc_ogain / 2; 2370} 2371 2372STATIC inline void 2373gus_set_voices(struct gus_softc *sc, int voices) 2374{ 2375 bus_space_tag_t iot; 2376 bus_space_handle_t ioh2; 2377 2378 iot = sc->sc_iot; 2379 ioh2 = sc->sc_ioh2; 2380 /* 2381 * Select the active number of voices 2382 */ 2383 SELECT_GUS_REG(iot, ioh2, GUSREG_ACTIVE_VOICES); 2384 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, (voices-1) | 0xc0); 2385 2386 sc->sc_voices = voices; 2387} 2388 2389/* 2390 * Actually set the settings of various values on the card 2391 */ 2392int 2393gusmax_commit_settings(void *addr) 2394{ 2395 struct ad1848_isa_softc *ac; 2396 struct gus_softc *sc; 2397 int error; 2398 2399 ac = addr; 2400 sc = ac->sc_ad1848.parent; 2401 error = ad1848_commit_settings(ac); 2402 if (error) 2403 return error; 2404 return gus_commit_settings(sc); 2405} 2406 2407/* 2408 * Commit the settings. 2409 */ 2410int 2411gus_commit_settings(void *addr) 2412{ 2413 struct gus_softc *sc; 2414 2415 sc = addr; 2416 DPRINTF(("gus_commit_settings called (gain = %d)\n",sc->sc_ogain)); 2417 2418 mutex_spin_enter(&sc->sc_codec.sc_ad1848.sc_intr_lock); 2419 gus_set_recrate(sc, sc->sc_irate); 2420 gus_set_volume(sc, GUS_VOICE_LEFT, sc->sc_ogain); 2421 gus_set_volume(sc, GUS_VOICE_RIGHT, sc->sc_ogain); 2422 gus_set_samprate(sc, GUS_VOICE_LEFT, sc->sc_orate); 2423 gus_set_samprate(sc, GUS_VOICE_RIGHT, sc->sc_orate); 2424 mutex_spin_exit(&sc->sc_codec.sc_ad1848.sc_intr_lock); 2425 2426 gus_set_chan_addrs(sc); 2427 2428 return 0; 2429} 2430 2431STATIC void 2432gus_set_chan_addrs(struct gus_softc *sc) 2433{ 2434 2435 /* 2436 * We use sc_nbufs * blocksize bytes of storage in the on-board GUS 2437 * ram. 2438 * For mono, each of the sc_nbufs buffers is DMA'd to in one chunk, 2439 * and both left & right channels play the same buffer. 2440 * 2441 * For stereo, each channel gets a contiguous half of the memory, 2442 * and each has sc_nbufs buffers of size blocksize/2. 2443 * Stereo data are deinterleaved in main memory before the DMA out 2444 * routines are called to queue the output. 2445 * 2446 * The blocksize per channel is kept in sc_chanblocksize. 2447 */ 2448 if (sc->sc_channels == 2) 2449 sc->sc_chanblocksize = sc->sc_blocksize/2; 2450 else 2451 sc->sc_chanblocksize = sc->sc_blocksize; 2452 2453 sc->sc_voc[GUS_VOICE_LEFT].start_addr = GUS_MEM_OFFSET - 1; 2454 sc->sc_voc[GUS_VOICE_RIGHT].start_addr = 2455 (gus_dostereo && sc->sc_channels == 2 ? GUS_LEFT_RIGHT_OFFSET : 0) 2456 + GUS_MEM_OFFSET - 1; 2457 sc->sc_voc[GUS_VOICE_RIGHT].current_addr = 2458 sc->sc_voc[GUS_VOICE_RIGHT].start_addr + 1; 2459 sc->sc_voc[GUS_VOICE_RIGHT].end_addr = 2460 sc->sc_voc[GUS_VOICE_RIGHT].start_addr + 2461 sc->sc_nbufs * sc->sc_chanblocksize; 2462 2463} 2464 2465/* 2466 * Set the sample rate of the given voice. 2467 */ 2468STATIC void 2469gus_set_samprate(struct gus_softc *sc, int voice, int freq) 2470{ 2471 bus_space_tag_t iot; 2472 bus_space_handle_t ioh2; 2473 unsigned int fc; 2474 u_long temp, f; 2475 2476 KASSERT(mutex_owned(&sc->sc_codec.sc_ad1848.sc_intr_lock)); 2477 2478 iot = sc->sc_iot; 2479 ioh2 = sc->sc_ioh2; 2480 f = (u_long) freq; 2481 /* 2482 * calculate fc based on the number of active voices; 2483 * we need to use longs to preserve enough bits 2484 */ 2485 2486 temp = (u_long) gus_max_frequency[sc->sc_voices-GUS_MIN_VOICES]; 2487 2488 fc = (unsigned int)(((f << 9L) + (temp >> 1L)) / temp); 2489 fc <<= 1; 2490 2491 /* 2492 * Program the voice frequency, and set it in the voice data record 2493 */ 2494 2495 bus_space_write_1(iot, ioh2, GUS_VOICE_SELECT, (unsigned char) voice); 2496 SELECT_GUS_REG(iot, ioh2, GUSREG_FREQ_CONTROL); 2497 bus_space_write_2(iot, ioh2, GUS_DATA_LOW, fc); 2498 2499 sc->sc_voc[voice].rate = freq; 2500 2501} 2502 2503/* 2504 * Set the sample rate of the recording frequency. Formula is from the GUS 2505 * SDK. 2506 */ 2507STATIC void 2508gus_set_recrate(struct gus_softc *sc, u_long rate) 2509{ 2510 bus_space_tag_t iot; 2511 bus_space_handle_t ioh2; 2512 u_char realrate; 2513 2514 KASSERT(mutex_owned(&sc->sc_codec.sc_ad1848.sc_intr_lock)); 2515 2516 DPRINTF(("gus_set_recrate %lu\n", rate)); 2517 iot = sc->sc_iot; 2518 ioh2 = sc->sc_ioh2; 2519 2520#if 0 2521 realrate = 9878400/(16*(rate+2)); /* formula from GUS docs */ 2522#endif 2523 realrate = (9878400 >> 4)/rate - 2; /* formula from code, sigh. */ 2524 2525 SELECT_GUS_REG(iot, ioh2, GUSREG_SAMPLE_FREQ); 2526 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, realrate); 2527} 2528 2529/* 2530 * Interface to the audio layer - turn the output on or off. Note that some 2531 * of these bits are flipped in the register 2532 */ 2533 2534int 2535gusmax_speaker_ctl(void *addr, int newstate) 2536{ 2537 struct ad1848_isa_softc *sc; 2538 2539 sc = addr; 2540 return gus_speaker_ctl(sc->sc_ad1848.parent, newstate); 2541} 2542 2543int 2544gus_speaker_ctl(void *addr, int newstate) 2545{ 2546 struct gus_softc *sc; 2547 bus_space_tag_t iot; 2548 bus_space_handle_t ioh1; 2549 2550 sc = (struct gus_softc *) addr; 2551 iot = sc->sc_iot; 2552 ioh1 = sc->sc_ioh1; 2553 /* Line out bit is flipped: 0 enables, 1 disables */ 2554 if ((newstate == SPKR_ON) && 2555 (sc->sc_mixcontrol & GUSMASK_LINE_OUT)) { 2556 sc->sc_mixcontrol &= ~GUSMASK_LINE_OUT; 2557 bus_space_write_1(iot, ioh1, GUS_MIX_CONTROL, sc->sc_mixcontrol); 2558 } 2559 if ((newstate == SPKR_OFF) && 2560 (sc->sc_mixcontrol & GUSMASK_LINE_OUT) == 0) { 2561 sc->sc_mixcontrol |= GUSMASK_LINE_OUT; 2562 bus_space_write_1(iot, ioh1, GUS_MIX_CONTROL, sc->sc_mixcontrol); 2563 } 2564 2565 return 0; 2566} 2567 2568STATIC int 2569gus_linein_ctl(void *addr, int newstate) 2570{ 2571 struct gus_softc *sc; 2572 bus_space_tag_t iot; 2573 bus_space_handle_t ioh1; 2574 2575 sc = (struct gus_softc *) addr; 2576 iot = sc->sc_iot; 2577 ioh1 = sc->sc_ioh1; 2578 /* Line in bit is flipped: 0 enables, 1 disables */ 2579 if ((newstate == SPKR_ON) && 2580 (sc->sc_mixcontrol & GUSMASK_LINE_IN)) { 2581 sc->sc_mixcontrol &= ~GUSMASK_LINE_IN; 2582 bus_space_write_1(iot, ioh1, GUS_MIX_CONTROL, sc->sc_mixcontrol); 2583 } 2584 if ((newstate == SPKR_OFF) && 2585 (sc->sc_mixcontrol & GUSMASK_LINE_IN) == 0) { 2586 sc->sc_mixcontrol |= GUSMASK_LINE_IN; 2587 bus_space_write_1(iot, ioh1, GUS_MIX_CONTROL, sc->sc_mixcontrol); 2588 } 2589 2590 return 0; 2591} 2592 2593STATIC int 2594gus_mic_ctl(void *addr, int newstate) 2595{ 2596 struct gus_softc *sc; 2597 bus_space_tag_t iot; 2598 bus_space_handle_t ioh1; 2599 2600 sc = (struct gus_softc *) addr; 2601 iot = sc->sc_iot; 2602 ioh1 = sc->sc_ioh1; 2603 /* Mic bit is normal: 1 enables, 0 disables */ 2604 if ((newstate == SPKR_ON) && 2605 (sc->sc_mixcontrol & GUSMASK_MIC_IN) == 0) { 2606 sc->sc_mixcontrol |= GUSMASK_MIC_IN; 2607 bus_space_write_1(iot, ioh1, GUS_MIX_CONTROL, sc->sc_mixcontrol); 2608 } 2609 if ((newstate == SPKR_OFF) && 2610 (sc->sc_mixcontrol & GUSMASK_MIC_IN)) { 2611 sc->sc_mixcontrol &= ~GUSMASK_MIC_IN; 2612 bus_space_write_1(iot, ioh1, GUS_MIX_CONTROL, sc->sc_mixcontrol); 2613 } 2614 2615 return 0; 2616} 2617 2618/* 2619 * Set the end address of a give voice. 2620 */ 2621STATIC void 2622gus_set_endaddr(struct gus_softc *sc, int voice, u_long addr) 2623{ 2624 bus_space_tag_t iot; 2625 bus_space_handle_t ioh2; 2626 2627 KASSERT(mutex_owned(&sc->sc_codec.sc_ad1848.sc_intr_lock)); 2628 2629 iot = sc->sc_iot; 2630 ioh2 = sc->sc_ioh2; 2631 sc->sc_voc[voice].end_addr = addr; 2632 2633 if (sc->sc_voc[voice].voccntl & GUSMASK_DATA_SIZE16) 2634 addr = convert_to_16bit(addr); 2635 2636 SELECT_GUS_REG(iot, ioh2, GUSREG_END_ADDR_HIGH); 2637 bus_space_write_2(iot, ioh2, GUS_DATA_LOW, ADDR_HIGH(addr)); 2638 SELECT_GUS_REG(iot, ioh2, GUSREG_END_ADDR_LOW); 2639 bus_space_write_2(iot, ioh2, GUS_DATA_LOW, ADDR_LOW(addr)); 2640 2641} 2642 2643#ifdef GUSPLAYDEBUG 2644/* 2645 * Set current address. 2646 */ 2647STATIC void 2648gus_set_curaddr(struct gus_softc *sc, int voice, u_long addr) 2649{ 2650 bus_space_tag_t iot; 2651 bus_space_handle_t ioh2; 2652 2653 KASSERT(mutex_owned(&sc->sc_codec.sc_ad1848.sc_intr_lock)); 2654 2655 iot = sc->sc_iot; 2656 ioh2 = sc->sc_ioh2; 2657 sc->sc_voc[voice].current_addr = addr; 2658 2659 if (sc->sc_voc[voice].voccntl & GUSMASK_DATA_SIZE16) 2660 addr = convert_to_16bit(addr); 2661 2662 bus_space_write_1(iot, ioh2, GUS_VOICE_SELECT, (unsigned char) voice); 2663 2664 SELECT_GUS_REG(iot, ioh2, GUSREG_CUR_ADDR_HIGH); 2665 bus_space_write_2(iot, ioh2, GUS_DATA_LOW, ADDR_HIGH(addr)); 2666 SELECT_GUS_REG(iot, ioh2, GUSREG_CUR_ADDR_LOW); 2667 bus_space_write_2(iot, ioh2, GUS_DATA_LOW, ADDR_LOW(addr)); 2668 2669} 2670 2671/* 2672 * Get current GUS playback address. 2673 */ 2674STATIC u_long 2675gus_get_curaddr(struct gus_softc *sc, int voice) 2676{ 2677 bus_space_tag_t iot; 2678 bus_space_handle_t ioh2; 2679 u_long addr; 2680 2681 KASSERT(mutex_owned(&sc->sc_codec.sc_ad1848.sc_intr_lock)); 2682 2683 iot = sc->sc_iot; 2684 ioh2 = sc->sc_ioh2; 2685 bus_space_write_1(iot, ioh2, GUS_VOICE_SELECT, (unsigned char) voice); 2686 SELECT_GUS_REG(iot, ioh2, GUSREG_CUR_ADDR_HIGH|GUSREG_READ); 2687 addr = (bus_space_read_2(iot, ioh2, GUS_DATA_LOW) & 0x1fff) << 7; 2688 SELECT_GUS_REG(iot, ioh2, GUSREG_CUR_ADDR_LOW|GUSREG_READ); 2689 addr |= (bus_space_read_2(iot, ioh2, GUS_DATA_LOW) >> 9L) & 0x7f; 2690 2691 if (sc->sc_voc[voice].voccntl & GUSMASK_DATA_SIZE16) 2692 addr = (addr & 0xc0000) | ((addr & 0x1ffff) << 1); /* undo 16-bit change */ 2693 DPRINTF(("gus voice %d curaddr %ld end_addr %ld\n", 2694 voice, addr, sc->sc_voc[voice].end_addr)); 2695 /* XXX sanity check the address? */ 2696 2697 return addr; 2698} 2699#endif 2700 2701/* 2702 * Convert an address value to a "16 bit" value - why this is necessary I 2703 * have NO idea 2704 */ 2705 2706STATIC u_long 2707convert_to_16bit(u_long address) 2708{ 2709 u_long old_address; 2710 2711 old_address = address; 2712 address >>= 1; 2713 address &= 0x0001ffffL; 2714 address |= (old_address & 0x000c0000L); 2715 2716 return address; 2717} 2718 2719/* 2720 * Write a value into the GUS's DRAM 2721 */ 2722STATIC void 2723guspoke(bus_space_tag_t iot, bus_space_handle_t ioh2, 2724 long address, unsigned char value) 2725{ 2726 2727 /* 2728 * Select the DRAM address 2729 */ 2730 2731 SELECT_GUS_REG(iot, ioh2, GUSREG_DRAM_ADDR_LOW); 2732 bus_space_write_2(iot, ioh2, GUS_DATA_LOW, 2733 (unsigned int)(address & 0xffff)); 2734 SELECT_GUS_REG(iot, ioh2, GUSREG_DRAM_ADDR_HIGH); 2735 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 2736 (unsigned char)((address >> 16) & 0xff)); 2737 2738 /* 2739 * Actually write the data 2740 */ 2741 2742 bus_space_write_1(iot, ioh2, GUS_DRAM_DATA, value); 2743} 2744 2745/* 2746 * Read a value from the GUS's DRAM 2747 */ 2748STATIC unsigned char 2749guspeek(bus_space_tag_t iot, bus_space_handle_t ioh2, u_long address) 2750{ 2751 2752 /* 2753 * Select the DRAM address 2754 */ 2755 2756 SELECT_GUS_REG(iot, ioh2, GUSREG_DRAM_ADDR_LOW); 2757 bus_space_write_2(iot, ioh2, GUS_DATA_LOW, 2758 (unsigned int)(address & 0xffff)); 2759 SELECT_GUS_REG(iot, ioh2, GUSREG_DRAM_ADDR_HIGH); 2760 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 2761 (unsigned char)((address >> 16) & 0xff)); 2762 2763 /* 2764 * Read in the data from the board 2765 */ 2766 2767 return (unsigned char) bus_space_read_1(iot, ioh2, GUS_DRAM_DATA); 2768} 2769 2770/* 2771 * Reset the Gravis UltraSound card, completely 2772 */ 2773STATIC void 2774gusreset(struct gus_softc *sc, int voices) 2775{ 2776 bus_space_tag_t iot; 2777 bus_space_handle_t ioh1; 2778 bus_space_handle_t ioh2; 2779 bus_space_handle_t ioh4; 2780 int i; 2781 2782 KASSERT(mutex_owned(&sc->sc_codec.sc_ad1848.sc_intr_lock)); 2783 2784 iot = sc->sc_iot; 2785 ioh1 = sc->sc_ioh1; 2786 ioh2 = sc->sc_ioh2; 2787 ioh4 = sc->sc_ioh4; 2788 2789 /* 2790 * Reset the GF1 chip 2791 */ 2792 2793 SELECT_GUS_REG(iot, ioh2, GUSREG_RESET); 2794 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 0x00); 2795 2796 delay(500); 2797 2798 /* 2799 * Release reset 2800 */ 2801 2802 SELECT_GUS_REG(iot, ioh2, GUSREG_RESET); 2803 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, GUSMASK_MASTER_RESET); 2804 2805 delay(500); 2806 2807 /* 2808 * Reset MIDI port as well 2809 */ 2810 2811 bus_space_write_1(iot, ioh4, GUS_MIDI_CONTROL, MIDI_RESET); 2812 2813 delay(500); 2814 2815 bus_space_write_1(iot, ioh4, GUS_MIDI_CONTROL, 0x00); 2816 2817 /* 2818 * Clear interrupts 2819 */ 2820 2821 SELECT_GUS_REG(iot, ioh2, GUSREG_DMA_CONTROL); 2822 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 0x00); 2823 SELECT_GUS_REG(iot, ioh2, GUSREG_TIMER_CONTROL); 2824 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 0x00); 2825 SELECT_GUS_REG(iot, ioh2, GUSREG_SAMPLE_CONTROL); 2826 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 0x00); 2827 2828 gus_set_voices(sc, voices); 2829 2830 bus_space_read_1(iot, ioh1, GUS_IRQ_STATUS); 2831 SELECT_GUS_REG(iot, ioh2, GUSREG_DMA_CONTROL); 2832 bus_space_read_1(iot, ioh2, GUS_DATA_HIGH); 2833 SELECT_GUS_REG(iot, ioh2, GUSREG_SAMPLE_CONTROL); 2834 bus_space_read_1(iot, ioh2, GUS_DATA_HIGH); 2835 SELECT_GUS_REG(iot, ioh2, GUSREG_IRQ_STATUS); 2836 bus_space_read_1(iot, ioh2, GUS_DATA_HIGH); 2837 2838 /* 2839 * Reset voice specific information 2840 */ 2841 2842 for(i = 0; i < voices; i++) { 2843 bus_space_write_1(iot, ioh2, GUS_VOICE_SELECT, (unsigned char) i); 2844 2845 SELECT_GUS_REG(iot, ioh2, GUSREG_VOICE_CNTL); 2846 2847 sc->sc_voc[i].voccntl = GUSMASK_VOICE_STOPPED | 2848 GUSMASK_STOP_VOICE; 2849 2850 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, sc->sc_voc[i].voccntl); 2851 2852 sc->sc_voc[i].volcntl = GUSMASK_VOLUME_STOPPED | 2853 GUSMASK_STOP_VOLUME; 2854 2855 SELECT_GUS_REG(iot, ioh2, GUSREG_VOLUME_CONTROL); 2856 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, sc->sc_voc[i].volcntl); 2857 2858 delay(100); 2859 2860 gus_set_samprate(sc, i, 8000); 2861 SELECT_GUS_REG(iot, ioh2, GUSREG_START_ADDR_HIGH); 2862 bus_space_write_2(iot, ioh2, GUS_DATA_LOW, 0x0000); 2863 SELECT_GUS_REG(iot, ioh2, GUSREG_START_ADDR_LOW); 2864 bus_space_write_2(iot, ioh2, GUS_DATA_LOW, 0x0000); 2865 SELECT_GUS_REG(iot, ioh2, GUSREG_END_ADDR_HIGH); 2866 bus_space_write_2(iot, ioh2, GUS_DATA_LOW, 0x0000); 2867 SELECT_GUS_REG(iot, ioh2, GUSREG_END_ADDR_LOW); 2868 bus_space_write_2(iot, ioh2, GUS_DATA_LOW, 0x0000); 2869 SELECT_GUS_REG(iot, ioh2, GUSREG_VOLUME_RATE); 2870 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 0x01); 2871 SELECT_GUS_REG(iot, ioh2, GUSREG_START_VOLUME); 2872 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 0x10); 2873 SELECT_GUS_REG(iot, ioh2, GUSREG_END_VOLUME); 2874 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 0xe0); 2875 SELECT_GUS_REG(iot, ioh2, GUSREG_CUR_VOLUME); 2876 bus_space_write_2(iot, ioh2, GUS_DATA_LOW, 0x0000); 2877 2878 SELECT_GUS_REG(iot, ioh2, GUSREG_CUR_ADDR_HIGH); 2879 bus_space_write_2(iot, ioh2, GUS_DATA_LOW, 0x0000); 2880 SELECT_GUS_REG(iot, ioh2, GUSREG_CUR_ADDR_LOW); 2881 bus_space_write_2(iot, ioh2, GUS_DATA_LOW, 0x0000); 2882 SELECT_GUS_REG(iot, ioh2, GUSREG_PAN_POS); 2883 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 0x07); 2884 } 2885 2886 /* 2887 * Clear out any pending IRQs 2888 */ 2889 2890 bus_space_read_1(iot, ioh1, GUS_IRQ_STATUS); 2891 SELECT_GUS_REG(iot, ioh2, GUSREG_DMA_CONTROL); 2892 bus_space_read_1(iot, ioh2, GUS_DATA_HIGH); 2893 SELECT_GUS_REG(iot, ioh2, GUSREG_SAMPLE_CONTROL); 2894 bus_space_read_1(iot, ioh2, GUS_DATA_HIGH); 2895 SELECT_GUS_REG(iot, ioh2, GUSREG_IRQ_STATUS); 2896 bus_space_read_1(iot, ioh2, GUS_DATA_HIGH); 2897 2898 SELECT_GUS_REG(iot, ioh2, GUSREG_RESET); 2899 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 2900 GUSMASK_MASTER_RESET | GUSMASK_DAC_ENABLE | GUSMASK_IRQ_ENABLE); 2901} 2902 2903 2904STATIC int 2905gus_init_cs4231(struct gus_softc *sc) 2906{ 2907 bus_space_tag_t iot; 2908 bus_space_handle_t ioh1; 2909 int port; 2910 u_char ctrl; 2911 2912 iot = sc->sc_iot; 2913 ioh1 = sc->sc_ioh1; 2914 port = sc->sc_iobase; 2915 ctrl = (port & 0xf0) >> 4; /* set port address middle nibble */ 2916 /* 2917 * The codec is a bit weird--swapped DMA channels. 2918 */ 2919 ctrl |= GUS_MAX_CODEC_ENABLE; 2920 if (sc->sc_playdrq >= 4) 2921 ctrl |= GUS_MAX_RECCHAN16; 2922 if (sc->sc_recdrq >= 4) 2923 ctrl |= GUS_MAX_PLAYCHAN16; 2924 2925 bus_space_write_1(iot, ioh1, GUS_MAX_CTRL, ctrl); 2926 2927 sc->sc_codec.sc_ad1848.sc_iot = sc->sc_iot; 2928 sc->sc_codec.sc_iobase = port+GUS_MAX_CODEC_BASE; 2929 2930 if (ad1848_isa_mapprobe(&sc->sc_codec, sc->sc_codec.sc_iobase) == 0) { 2931 sc->sc_flags &= ~GUS_CODEC_INSTALLED; 2932 return 0; 2933 } else { 2934 struct ad1848_volume vol = {AUDIO_MAX_GAIN, AUDIO_MAX_GAIN}; 2935 sc->sc_flags |= GUS_CODEC_INSTALLED; 2936 sc->sc_codec.sc_ad1848.parent = sc; 2937 sc->sc_codec.sc_playdrq = sc->sc_recdrq; 2938 sc->sc_codec.sc_play_maxsize = sc->sc_req_maxsize; 2939 sc->sc_codec.sc_recdrq = sc->sc_playdrq; 2940 sc->sc_codec.sc_rec_maxsize = sc->sc_play_maxsize; 2941 /* enable line in and mic in the GUS mixer; the codec chip 2942 will do the real mixing for them. */ 2943 sc->sc_mixcontrol &= ~GUSMASK_LINE_IN; /* 0 enables. */ 2944 sc->sc_mixcontrol |= GUSMASK_MIC_IN; /* 1 enables. */ 2945 bus_space_write_1(iot, ioh1, GUS_MIX_CONTROL, 2946 sc->sc_mixcontrol); 2947 2948 ad1848_isa_attach(&sc->sc_codec); 2949 /* turn on pre-MUX microphone gain. */ 2950 ad1848_set_mic_gain(&sc->sc_codec.sc_ad1848, &vol); 2951 2952 return 1; 2953 } 2954} 2955 2956 2957/* 2958 * Return info about the audio device, for the AUDIO_GETINFO ioctl 2959 */ 2960int 2961gus_getdev(void *addr, struct audio_device *dev) 2962{ 2963 2964 *dev = gus_device; 2965 return 0; 2966} 2967 2968/* 2969 * stubs (XXX) 2970 */ 2971 2972int 2973gus_set_in_gain(void *addr, u_int gain, 2974 u_char balance) 2975{ 2976 2977 DPRINTF(("gus_set_in_gain called\n")); 2978 return 0; 2979} 2980 2981int 2982gus_get_in_gain(void *addr) 2983{ 2984 2985 DPRINTF(("gus_get_in_gain called\n")); 2986 return 0; 2987} 2988 2989int 2990gusmax_dma_input(void *addr, void *tbuf, int size, 2991 void (*callback)(void *), void *arg) 2992{ 2993 struct ad1848_isa_softc *sc; 2994 2995 sc = addr; 2996 return gus_dma_input(sc->sc_ad1848.parent, tbuf, size, callback, arg); 2997} 2998 2999/* 3000 * Start sampling the input source into the requested DMA buffer. 3001 * Called from top-half or from interrupt handler. 3002 */ 3003int 3004gus_dma_input(void *addr, void *tbuf, int size, 3005 void (*callback)(void *), void *arg) 3006{ 3007 struct gus_softc *sc; 3008 bus_space_tag_t iot; 3009 bus_space_handle_t ioh2; 3010 u_char dmac; 3011 3012 DMAPRINTF(("gus_dma_input called\n")); 3013 sc = addr; 3014 iot = sc->sc_iot; 3015 ioh2 = sc->sc_ioh2; 3016 3017 KASSERT(mutex_owned(&sc->sc_codec.sc_ad1848.sc_intr_lock)); 3018 3019 /* 3020 * Sample SIZE bytes of data from the card, into buffer at BUF. 3021 */ 3022 3023 if (sc->sc_precision == 16) 3024 return EINVAL; /* XXX */ 3025 3026 /* set DMA modes */ 3027 dmac = GUSMASK_SAMPLE_IRQ|GUSMASK_SAMPLE_START; 3028 if (sc->sc_recdrq >= 4) 3029 dmac |= GUSMASK_SAMPLE_DATA16; 3030 if (sc->sc_encoding == AUDIO_ENCODING_ULAW || 3031 sc->sc_encoding == AUDIO_ENCODING_ALAW || 3032 sc->sc_encoding == AUDIO_ENCODING_ULINEAR_LE || 3033 sc->sc_encoding == AUDIO_ENCODING_ULINEAR_BE) 3034 dmac |= GUSMASK_SAMPLE_INVBIT; 3035 if (sc->sc_channels == 2) 3036 dmac |= GUSMASK_SAMPLE_STEREO; 3037 isa_dmastart(sc->sc_ic, sc->sc_recdrq, tbuf, size, 3038 NULL, DMAMODE_READ, BUS_DMA_NOWAIT); 3039 3040 DMAPRINTF(("gus_dma_input isa_dmastarted\n")); 3041 sc->sc_flags |= GUS_DMAIN_ACTIVE; 3042 sc->sc_dmainintr = callback; 3043 sc->sc_inarg = arg; 3044 sc->sc_dmaincnt = size; 3045 sc->sc_dmainaddr = tbuf; 3046 3047 SELECT_GUS_REG(iot, ioh2, GUSREG_SAMPLE_CONTROL); 3048 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, dmac); /* Go! */ 3049 3050 3051 DMAPRINTF(("gus_dma_input returning\n")); 3052 3053 return 0; 3054} 3055 3056STATIC int 3057gus_dmain_intr(struct gus_softc *sc) 3058{ 3059 void (*callback)(void *); 3060 void *arg; 3061 3062 KASSERT(mutex_owned(&sc->sc_codec.sc_ad1848.sc_intr_lock)); 3063 3064 DMAPRINTF(("gus_dmain_intr called\n")); 3065 if (sc->sc_dmainintr) { 3066 isa_dmadone(sc->sc_ic, sc->sc_recdrq); 3067 callback = sc->sc_dmainintr; 3068 arg = sc->sc_inarg; 3069 3070 sc->sc_dmainaddr = 0; 3071 sc->sc_dmaincnt = 0; 3072 sc->sc_dmainintr = 0; 3073 sc->sc_inarg = 0; 3074 3075 sc->sc_flags &= ~GUS_DMAIN_ACTIVE; 3076 DMAPRINTF(("calling dmain_intr callback %p(%p)\n", callback, 3077 arg)); 3078 (*callback)(arg); 3079 return 1; 3080 } else { 3081 DMAPRINTF(("gus_dmain_intr false?\n")); 3082 return 0; /* XXX ??? */ 3083 } 3084} 3085 3086int 3087gusmax_halt_out_dma(void *addr) 3088{ 3089 struct ad1848_isa_softc *sc; 3090 3091 sc = addr; 3092 return gus_halt_out_dma(sc->sc_ad1848.parent); 3093} 3094 3095 3096int 3097gusmax_halt_in_dma(void *addr) 3098{ 3099 struct ad1848_isa_softc *sc; 3100 3101 sc = addr; 3102 return gus_halt_in_dma(sc->sc_ad1848.parent); 3103} 3104 3105/* 3106 * Stop any DMA output. 3107 */ 3108int 3109gus_halt_out_dma(void *addr) 3110{ 3111 struct gus_softc *sc; 3112 bus_space_tag_t iot; 3113 bus_space_handle_t ioh2; 3114 3115 DMAPRINTF(("gus_halt_out_dma called\n")); 3116 sc = addr; 3117 iot = sc->sc_iot; 3118 ioh2 = sc->sc_ioh2; 3119 3120 KASSERT(mutex_owned(&sc->sc_codec.sc_ad1848.sc_intr_lock)); 3121 3122 /* 3123 * Make sure the GUS _isn't_ setup for DMA 3124 */ 3125 3126 SELECT_GUS_REG(iot, ioh2, GUSREG_DMA_CONTROL); 3127 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 0); 3128 3129 callout_stop(&sc->sc_dmaout_ch); 3130 isa_dmaabort(sc->sc_ic, sc->sc_playdrq); 3131 sc->sc_flags &= ~(GUS_DMAOUT_ACTIVE|GUS_LOCKED); 3132 sc->sc_dmaoutintr = 0; 3133 sc->sc_outarg = 0; 3134 sc->sc_dmaoutaddr = 0; 3135 sc->sc_dmaoutcnt = 0; 3136 sc->sc_dmabuf = 0; 3137 sc->sc_bufcnt = 0; 3138 sc->sc_playbuf = -1; 3139 /* also stop playing */ 3140 gus_stop_voice(sc, GUS_VOICE_LEFT, 1); 3141 gus_stop_voice(sc, GUS_VOICE_RIGHT, 0); 3142 3143 return 0; 3144} 3145 3146/* 3147 * Stop any DMA output. 3148 */ 3149int 3150gus_halt_in_dma(void *addr) 3151{ 3152 struct gus_softc *sc; 3153 bus_space_tag_t iot; 3154 bus_space_handle_t ioh2; 3155 3156 DMAPRINTF(("gus_halt_in_dma called\n")); 3157 sc = addr; 3158 iot = sc->sc_iot; 3159 ioh2 = sc->sc_ioh2; 3160 3161 KASSERT(mutex_owned(&sc->sc_codec.sc_ad1848.sc_intr_lock)); 3162 3163 /* 3164 * Make sure the GUS _isn't_ setup for DMA 3165 */ 3166 3167 SELECT_GUS_REG(iot, ioh2, GUSREG_SAMPLE_CONTROL); 3168 bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 3169 bus_space_read_1(iot, ioh2, GUS_DATA_HIGH) 3170 & ~(GUSMASK_SAMPLE_START|GUSMASK_SAMPLE_IRQ)); 3171 3172 isa_dmaabort(sc->sc_ic, sc->sc_recdrq); 3173 sc->sc_flags &= ~GUS_DMAIN_ACTIVE; 3174 sc->sc_dmainintr = 0; 3175 sc->sc_inarg = 0; 3176 sc->sc_dmainaddr = 0; 3177 sc->sc_dmaincnt = 0; 3178 3179 return 0; 3180} 3181 3182 3183static const ad1848_devmap_t gusmapping[] = { 3184 { GUSMAX_DAC_LVL, AD1848_KIND_LVL, AD1848_AUX1_CHANNEL }, 3185 { GUSMAX_LINE_IN_LVL, AD1848_KIND_LVL, AD1848_LINE_CHANNEL }, 3186 { GUSMAX_MONO_LVL, AD1848_KIND_LVL, AD1848_MONO_CHANNEL }, 3187 { GUSMAX_CD_LVL, AD1848_KIND_LVL, AD1848_AUX2_CHANNEL }, 3188 { GUSMAX_MONITOR_LVL, AD1848_KIND_LVL, AD1848_MONITOR_CHANNEL }, 3189 { GUSMAX_OUT_LVL, AD1848_KIND_LVL, AD1848_DAC_CHANNEL }, 3190 { GUSMAX_DAC_MUTE, AD1848_KIND_MUTE, AD1848_AUX1_CHANNEL }, 3191 { GUSMAX_LINE_IN_MUTE, AD1848_KIND_MUTE, AD1848_LINE_CHANNEL }, 3192 { GUSMAX_MONO_MUTE, AD1848_KIND_MUTE, AD1848_MONO_CHANNEL }, 3193 { GUSMAX_CD_MUTE, AD1848_KIND_MUTE, AD1848_AUX2_CHANNEL }, 3194 { GUSMAX_MONITOR_MUTE, AD1848_KIND_MUTE, AD1848_MONITOR_CHANNEL }, 3195 { GUSMAX_REC_LVL, AD1848_KIND_RECORDGAIN, -1 }, 3196 { GUSMAX_RECORD_SOURCE, AD1848_KIND_RECORDSOURCE, -1 } 3197}; 3198 3199static const int nummap = sizeof(gusmapping) / sizeof(gusmapping[0]); 3200 3201STATIC int 3202gusmax_mixer_get_port(void *addr, mixer_ctrl_t *cp) 3203{ 3204 struct ad1848_isa_softc *ac; 3205 struct gus_softc *sc; 3206 struct ad1848_volume vol; 3207 int error; 3208 3209 ac = addr; 3210 sc = ac->sc_ad1848.parent; 3211 error = ad1848_mixer_get_port(&ac->sc_ad1848, gusmapping, nummap, cp); 3212 if (error != ENXIO) 3213 return error; 3214 3215 error = EINVAL; 3216 3217 switch (cp->dev) { 3218 case GUSMAX_SPEAKER_LVL: /* fake speaker for mute naming */ 3219 if (cp->type == AUDIO_MIXER_VALUE) { 3220 if (sc->sc_mixcontrol & GUSMASK_LINE_OUT) 3221 vol.left = vol.right = AUDIO_MAX_GAIN; 3222 else 3223 vol.left = vol.right = AUDIO_MIN_GAIN; 3224 error = 0; 3225 ad1848_from_vol(cp, &vol); 3226 } 3227 break; 3228 3229 case GUSMAX_SPEAKER_MUTE: 3230 if (cp->type == AUDIO_MIXER_ENUM) { 3231 cp->un.ord = sc->sc_mixcontrol & GUSMASK_LINE_OUT ? 1 : 0; 3232 error = 0; 3233 } 3234 break; 3235 default: 3236 error = ENXIO; 3237 break; 3238 } 3239 3240 return error; 3241} 3242 3243STATIC int 3244gus_mixer_get_port(void *addr, mixer_ctrl_t *cp) 3245{ 3246 struct gus_softc *sc; 3247 struct ics2101_softc *ic; 3248 struct ad1848_volume vol; 3249 int error; 3250 3251 DPRINTF(("gus_mixer_get_port: dev=%d type=%d\n", cp->dev, cp->type)); 3252 sc = addr; 3253 ic = &sc->sc_mixer; 3254 error = EINVAL; 3255 3256 if (!HAS_MIXER(sc) && cp->dev > GUSICS_MASTER_MUTE) 3257 return ENXIO; 3258 3259 switch (cp->dev) { 3260 3261 case GUSICS_MIC_IN_MUTE: /* Microphone */ 3262 if (cp->type == AUDIO_MIXER_ENUM) { 3263 if (HAS_MIXER(sc)) 3264 cp->un.ord = ic->sc_mute[GUSMIX_CHAN_MIC][ICSMIX_LEFT]; 3265 else 3266 cp->un.ord = 3267 sc->sc_mixcontrol & GUSMASK_MIC_IN ? 0 : 1; 3268 error = 0; 3269 } 3270 break; 3271 3272 case GUSICS_LINE_IN_MUTE: 3273 if (cp->type == AUDIO_MIXER_ENUM) { 3274 if (HAS_MIXER(sc)) 3275 cp->un.ord = ic->sc_mute[GUSMIX_CHAN_LINE][ICSMIX_LEFT]; 3276 else 3277 cp->un.ord = 3278 sc->sc_mixcontrol & GUSMASK_LINE_IN ? 1 : 0; 3279 error = 0; 3280 } 3281 break; 3282 3283 case GUSICS_MASTER_MUTE: 3284 if (cp->type == AUDIO_MIXER_ENUM) { 3285 if (HAS_MIXER(sc)) 3286 cp->un.ord = ic->sc_mute[GUSMIX_CHAN_MASTER][ICSMIX_LEFT]; 3287 else 3288 cp->un.ord = 3289 sc->sc_mixcontrol & GUSMASK_LINE_OUT ? 1 : 0; 3290 error = 0; 3291 } 3292 break; 3293 3294 case GUSICS_DAC_MUTE: 3295 if (cp->type == AUDIO_MIXER_ENUM) { 3296 cp->un.ord = ic->sc_mute[GUSMIX_CHAN_DAC][ICSMIX_LEFT]; 3297 error = 0; 3298 } 3299 break; 3300 3301 case GUSICS_CD_MUTE: 3302 if (cp->type == AUDIO_MIXER_ENUM) { 3303 cp->un.ord = ic->sc_mute[GUSMIX_CHAN_CD][ICSMIX_LEFT]; 3304 error = 0; 3305 } 3306 break; 3307 3308 case GUSICS_MASTER_LVL: 3309 if (cp->type == AUDIO_MIXER_VALUE) { 3310 vol.left = ic->sc_setting[GUSMIX_CHAN_MASTER][ICSMIX_LEFT]; 3311 vol.right = ic->sc_setting[GUSMIX_CHAN_MASTER][ICSMIX_RIGHT]; 3312 if (ad1848_from_vol(cp, &vol)) 3313 error = 0; 3314 } 3315 break; 3316 3317 case GUSICS_MIC_IN_LVL: /* Microphone */ 3318 if (cp->type == AUDIO_MIXER_VALUE) { 3319 vol.left = ic->sc_setting[GUSMIX_CHAN_MIC][ICSMIX_LEFT]; 3320 vol.right = ic->sc_setting[GUSMIX_CHAN_MIC][ICSMIX_RIGHT]; 3321 if (ad1848_from_vol(cp, &vol)) 3322 error = 0; 3323 } 3324 break; 3325 3326 case GUSICS_LINE_IN_LVL: /* line in */ 3327 if (cp->type == AUDIO_MIXER_VALUE) { 3328 vol.left = ic->sc_setting[GUSMIX_CHAN_LINE][ICSMIX_LEFT]; 3329 vol.right = ic->sc_setting[GUSMIX_CHAN_LINE][ICSMIX_RIGHT]; 3330 if (ad1848_from_vol(cp, &vol)) 3331 error = 0; 3332 } 3333 break; 3334 3335 3336 case GUSICS_CD_LVL: 3337 if (cp->type == AUDIO_MIXER_VALUE) { 3338 vol.left = ic->sc_setting[GUSMIX_CHAN_CD][ICSMIX_LEFT]; 3339 vol.right = ic->sc_setting[GUSMIX_CHAN_CD][ICSMIX_RIGHT]; 3340 if (ad1848_from_vol(cp, &vol)) 3341 error = 0; 3342 } 3343 break; 3344 3345 case GUSICS_DAC_LVL: /* dac out */ 3346 if (cp->type == AUDIO_MIXER_VALUE) { 3347 vol.left = ic->sc_setting[GUSMIX_CHAN_DAC][ICSMIX_LEFT]; 3348 vol.right = ic->sc_setting[GUSMIX_CHAN_DAC][ICSMIX_RIGHT]; 3349 if (ad1848_from_vol(cp, &vol)) 3350 error = 0; 3351 } 3352 break; 3353 3354 3355 case GUSICS_RECORD_SOURCE: 3356 if (cp->type == AUDIO_MIXER_ENUM) { 3357 /* Can't set anything else useful, sigh. */ 3358 cp->un.ord = 0; 3359 } 3360 break; 3361 3362 default: 3363 return ENXIO; 3364 /*NOTREACHED*/ 3365 } 3366 return error; 3367} 3368 3369STATIC void 3370gusics_master_mute(struct ics2101_softc *ic, int mute) 3371{ 3372 3373 ics2101_mix_mute(ic, GUSMIX_CHAN_MASTER, ICSMIX_LEFT, mute); 3374 ics2101_mix_mute(ic, GUSMIX_CHAN_MASTER, ICSMIX_RIGHT, mute); 3375} 3376 3377STATIC void 3378gusics_mic_mute(struct ics2101_softc *ic, int mute) 3379{ 3380 3381 ics2101_mix_mute(ic, GUSMIX_CHAN_MIC, ICSMIX_LEFT, mute); 3382 ics2101_mix_mute(ic, GUSMIX_CHAN_MIC, ICSMIX_RIGHT, mute); 3383} 3384 3385STATIC void 3386gusics_linein_mute(struct ics2101_softc *ic, int mute) 3387{ 3388 3389 ics2101_mix_mute(ic, GUSMIX_CHAN_LINE, ICSMIX_LEFT, mute); 3390 ics2101_mix_mute(ic, GUSMIX_CHAN_LINE, ICSMIX_RIGHT, mute); 3391} 3392 3393STATIC void 3394gusics_cd_mute(struct ics2101_softc *ic, int mute) 3395{ 3396 3397 ics2101_mix_mute(ic, GUSMIX_CHAN_CD, ICSMIX_LEFT, mute); 3398 ics2101_mix_mute(ic, GUSMIX_CHAN_CD, ICSMIX_RIGHT, mute); 3399} 3400 3401STATIC void 3402gusics_dac_mute(struct ics2101_softc *ic, int mute) 3403{ 3404 3405 ics2101_mix_mute(ic, GUSMIX_CHAN_DAC, ICSMIX_LEFT, mute); 3406 ics2101_mix_mute(ic, GUSMIX_CHAN_DAC, ICSMIX_RIGHT, mute); 3407} 3408 3409STATIC int 3410gusmax_mixer_set_port(void *addr, mixer_ctrl_t *cp) 3411{ 3412 struct ad1848_isa_softc *ac; 3413 struct gus_softc *sc; 3414 struct ad1848_volume vol; 3415 int error; 3416 3417 ac = addr; 3418 sc = ac->sc_ad1848.parent; 3419 error = ad1848_mixer_set_port(&ac->sc_ad1848, gusmapping, nummap, cp); 3420 if (error != ENXIO) 3421 return error; 3422 3423 DPRINTF(("gusmax_mixer_set_port: dev=%d type=%d\n", cp->dev, cp->type)); 3424 3425 switch (cp->dev) { 3426 case GUSMAX_SPEAKER_LVL: 3427 if (cp->type == AUDIO_MIXER_VALUE && 3428 cp->un.value.num_channels == 1) { 3429 if (ad1848_to_vol(cp, &vol)) { 3430 gus_speaker_ctl(sc, vol.left > AUDIO_MIN_GAIN ? 3431 SPKR_ON : SPKR_OFF); 3432 error = 0; 3433 } 3434 } 3435 break; 3436 3437 case GUSMAX_SPEAKER_MUTE: 3438 if (cp->type == AUDIO_MIXER_ENUM) { 3439 gus_speaker_ctl(sc, cp->un.ord ? SPKR_OFF : SPKR_ON); 3440 error = 0; 3441 } 3442 break; 3443 3444 default: 3445 return ENXIO; 3446 /*NOTREACHED*/ 3447 } 3448 return error; 3449} 3450 3451STATIC int 3452gus_mixer_set_port(void *addr, mixer_ctrl_t *cp) 3453{ 3454 struct gus_softc *sc; 3455 struct ics2101_softc *ic; 3456 struct ad1848_volume vol; 3457 int error; 3458 3459 DPRINTF(("gus_mixer_set_port: dev=%d type=%d\n", cp->dev, cp->type)); 3460 sc = addr; 3461 ic = &sc->sc_mixer; 3462 error = EINVAL; 3463 3464 if (!HAS_MIXER(sc) && cp->dev > GUSICS_MASTER_MUTE) 3465 return ENXIO; 3466 3467 switch (cp->dev) { 3468 3469 case GUSICS_MIC_IN_MUTE: /* Microphone */ 3470 if (cp->type == AUDIO_MIXER_ENUM) { 3471 DPRINTF(("mic mute %d\n", cp->un.ord)); 3472 if (HAS_MIXER(sc)) { 3473 gusics_mic_mute(ic, cp->un.ord); 3474 } 3475 gus_mic_ctl(sc, cp->un.ord ? SPKR_OFF : SPKR_ON); 3476 error = 0; 3477 } 3478 break; 3479 3480 case GUSICS_LINE_IN_MUTE: 3481 if (cp->type == AUDIO_MIXER_ENUM) { 3482 DPRINTF(("linein mute %d\n", cp->un.ord)); 3483 if (HAS_MIXER(sc)) { 3484 gusics_linein_mute(ic, cp->un.ord); 3485 } 3486 gus_linein_ctl(sc, cp->un.ord ? SPKR_OFF : SPKR_ON); 3487 error = 0; 3488 } 3489 break; 3490 3491 case GUSICS_MASTER_MUTE: 3492 if (cp->type == AUDIO_MIXER_ENUM) { 3493 DPRINTF(("master mute %d\n", cp->un.ord)); 3494 if (HAS_MIXER(sc)) { 3495 gusics_master_mute(ic, cp->un.ord); 3496 } 3497 gus_speaker_ctl(sc, cp->un.ord ? SPKR_OFF : SPKR_ON); 3498 error = 0; 3499 } 3500 break; 3501 3502 case GUSICS_DAC_MUTE: 3503 if (cp->type == AUDIO_MIXER_ENUM) { 3504 gusics_dac_mute(ic, cp->un.ord); 3505 error = 0; 3506 } 3507 break; 3508 3509 case GUSICS_CD_MUTE: 3510 if (cp->type == AUDIO_MIXER_ENUM) { 3511 gusics_cd_mute(ic, cp->un.ord); 3512 error = 0; 3513 } 3514 break; 3515 3516 case GUSICS_MASTER_LVL: 3517 if (cp->type == AUDIO_MIXER_VALUE) { 3518 if (ad1848_to_vol(cp, &vol)) { 3519 ics2101_mix_attenuate(ic, 3520 GUSMIX_CHAN_MASTER, 3521 ICSMIX_LEFT, 3522 vol.left); 3523 ics2101_mix_attenuate(ic, 3524 GUSMIX_CHAN_MASTER, 3525 ICSMIX_RIGHT, 3526 vol.right); 3527 error = 0; 3528 } 3529 } 3530 break; 3531 3532 case GUSICS_MIC_IN_LVL: /* Microphone */ 3533 if (cp->type == AUDIO_MIXER_VALUE) { 3534 if (ad1848_to_vol(cp, &vol)) { 3535 ics2101_mix_attenuate(ic, 3536 GUSMIX_CHAN_MIC, 3537 ICSMIX_LEFT, 3538 vol.left); 3539 ics2101_mix_attenuate(ic, 3540 GUSMIX_CHAN_MIC, 3541 ICSMIX_RIGHT, 3542 vol.right); 3543 error = 0; 3544 } 3545 } 3546 break; 3547 3548 case GUSICS_LINE_IN_LVL: /* line in */ 3549 if (cp->type == AUDIO_MIXER_VALUE) { 3550 if (ad1848_to_vol(cp, &vol)) { 3551 ics2101_mix_attenuate(ic, 3552 GUSMIX_CHAN_LINE, 3553 ICSMIX_LEFT, 3554 vol.left); 3555 ics2101_mix_attenuate(ic, 3556 GUSMIX_CHAN_LINE, 3557 ICSMIX_RIGHT, 3558 vol.right); 3559 error = 0; 3560 } 3561 } 3562 break; 3563 3564 3565 case GUSICS_CD_LVL: 3566 if (cp->type == AUDIO_MIXER_VALUE) { 3567 if (ad1848_to_vol(cp, &vol)) { 3568 ics2101_mix_attenuate(ic, 3569 GUSMIX_CHAN_CD, 3570 ICSMIX_LEFT, 3571 vol.left); 3572 ics2101_mix_attenuate(ic, 3573 GUSMIX_CHAN_CD, 3574 ICSMIX_RIGHT, 3575 vol.right); 3576 error = 0; 3577 } 3578 } 3579 break; 3580 3581 case GUSICS_DAC_LVL: /* dac out */ 3582 if (cp->type == AUDIO_MIXER_VALUE) { 3583 if (ad1848_to_vol(cp, &vol)) { 3584 ics2101_mix_attenuate(ic, 3585 GUSMIX_CHAN_DAC, 3586 ICSMIX_LEFT, 3587 vol.left); 3588 ics2101_mix_attenuate(ic, 3589 GUSMIX_CHAN_DAC, 3590 ICSMIX_RIGHT, 3591 vol.right); 3592 error = 0; 3593 } 3594 } 3595 break; 3596 3597 3598 case GUSICS_RECORD_SOURCE: 3599 if (cp->type == AUDIO_MIXER_ENUM && cp->un.ord == 0) { 3600 /* Can't set anything else useful, sigh. */ 3601 error = 0; 3602 } 3603 break; 3604 3605 default: 3606 return ENXIO; 3607 /*NOTREACHED*/ 3608 } 3609 return error; 3610} 3611 3612STATIC int 3613gus_get_props(void *addr) 3614{ 3615 struct gus_softc *sc; 3616 3617 sc = addr; 3618 return AUDIO_PROP_PLAYBACK | AUDIO_PROP_CAPTURE | 3619 (sc->sc_recdrq == sc->sc_playdrq ? 0 : AUDIO_PROP_FULLDUPLEX); 3620} 3621 3622STATIC int 3623gusmax_get_props(void *addr) 3624{ 3625 struct ad1848_isa_softc *ac; 3626 3627 ac = addr; 3628 return gus_get_props(ac->sc_ad1848.parent); 3629} 3630 3631STATIC int 3632gusmax_mixer_query_devinfo(void *addr, mixer_devinfo_t *dip) 3633{ 3634 3635 DPRINTF(("gusmax_query_devinfo: index=%d\n", dip->index)); 3636 3637 switch(dip->index) { 3638#if 0 3639 case GUSMAX_MIC_IN_LVL: /* Microphone */ 3640 dip->type = AUDIO_MIXER_VALUE; 3641 dip->mixer_class = GUSMAX_INPUT_CLASS; 3642 dip->prev = AUDIO_MIXER_LAST; 3643 dip->next = GUSMAX_MIC_IN_MUTE; 3644 strcpy(dip->label.name, AudioNmicrophone); 3645 dip->un.v.num_channels = 2; 3646 strcpy(dip->un.v.units.name, AudioNvolume); 3647 break; 3648#endif 3649 3650 case GUSMAX_MONO_LVL: /* mono/microphone mixer */ 3651 dip->type = AUDIO_MIXER_VALUE; 3652 dip->mixer_class = GUSMAX_INPUT_CLASS; 3653 dip->prev = AUDIO_MIXER_LAST; 3654 dip->next = GUSMAX_MONO_MUTE; 3655 strcpy(dip->label.name, AudioNmicrophone); 3656 dip->un.v.num_channels = 1; 3657 strcpy(dip->un.v.units.name, AudioNvolume); 3658 break; 3659 3660 case GUSMAX_DAC_LVL: /* dacout */ 3661 dip->type = AUDIO_MIXER_VALUE; 3662 dip->mixer_class = GUSMAX_INPUT_CLASS; 3663 dip->prev = AUDIO_MIXER_LAST; 3664 dip->next = GUSMAX_DAC_MUTE; 3665 strcpy(dip->label.name, AudioNdac); 3666 dip->un.v.num_channels = 2; 3667 strcpy(dip->un.v.units.name, AudioNvolume); 3668 break; 3669 3670 case GUSMAX_LINE_IN_LVL: /* line */ 3671 dip->type = AUDIO_MIXER_VALUE; 3672 dip->mixer_class = GUSMAX_INPUT_CLASS; 3673 dip->prev = AUDIO_MIXER_LAST; 3674 dip->next = GUSMAX_LINE_IN_MUTE; 3675 strcpy(dip->label.name, AudioNline); 3676 dip->un.v.num_channels = 2; 3677 strcpy(dip->un.v.units.name, AudioNvolume); 3678 break; 3679 3680 case GUSMAX_CD_LVL: /* cd */ 3681 dip->type = AUDIO_MIXER_VALUE; 3682 dip->mixer_class = GUSMAX_INPUT_CLASS; 3683 dip->prev = AUDIO_MIXER_LAST; 3684 dip->next = GUSMAX_CD_MUTE; 3685 strcpy(dip->label.name, AudioNcd); 3686 dip->un.v.num_channels = 2; 3687 strcpy(dip->un.v.units.name, AudioNvolume); 3688 break; 3689 3690 3691 case GUSMAX_MONITOR_LVL: /* monitor level */ 3692 dip->type = AUDIO_MIXER_VALUE; 3693 dip->mixer_class = GUSMAX_MONITOR_CLASS; 3694 dip->next = GUSMAX_MONITOR_MUTE; 3695 dip->prev = AUDIO_MIXER_LAST; 3696 strcpy(dip->label.name, AudioNmonitor); 3697 dip->un.v.num_channels = 1; 3698 strcpy(dip->un.v.units.name, AudioNvolume); 3699 break; 3700 3701 case GUSMAX_OUT_LVL: /* cs4231 output volume: not useful? */ 3702 dip->type = AUDIO_MIXER_VALUE; 3703 dip->mixer_class = GUSMAX_MONITOR_CLASS; 3704 dip->prev = dip->next = AUDIO_MIXER_LAST; 3705 strcpy(dip->label.name, AudioNoutput); 3706 dip->un.v.num_channels = 2; 3707 strcpy(dip->un.v.units.name, AudioNvolume); 3708 break; 3709 3710 case GUSMAX_SPEAKER_LVL: /* fake speaker volume */ 3711 dip->type = AUDIO_MIXER_VALUE; 3712 dip->mixer_class = GUSMAX_MONITOR_CLASS; 3713 dip->prev = AUDIO_MIXER_LAST; 3714 dip->next = GUSMAX_SPEAKER_MUTE; 3715 strcpy(dip->label.name, AudioNmaster); 3716 dip->un.v.num_channels = 2; 3717 strcpy(dip->un.v.units.name, AudioNvolume); 3718 break; 3719 3720 case GUSMAX_LINE_IN_MUTE: 3721 dip->mixer_class = GUSMAX_INPUT_CLASS; 3722 dip->type = AUDIO_MIXER_ENUM; 3723 dip->prev = GUSMAX_LINE_IN_LVL; 3724 dip->next = AUDIO_MIXER_LAST; 3725 goto mute; 3726 3727 case GUSMAX_DAC_MUTE: 3728 dip->mixer_class = GUSMAX_INPUT_CLASS; 3729 dip->type = AUDIO_MIXER_ENUM; 3730 dip->prev = GUSMAX_DAC_LVL; 3731 dip->next = AUDIO_MIXER_LAST; 3732 goto mute; 3733 3734 case GUSMAX_CD_MUTE: 3735 dip->mixer_class = GUSMAX_INPUT_CLASS; 3736 dip->type = AUDIO_MIXER_ENUM; 3737 dip->prev = GUSMAX_CD_LVL; 3738 dip->next = AUDIO_MIXER_LAST; 3739 goto mute; 3740 3741 case GUSMAX_MONO_MUTE: 3742 dip->mixer_class = GUSMAX_INPUT_CLASS; 3743 dip->type = AUDIO_MIXER_ENUM; 3744 dip->prev = GUSMAX_MONO_LVL; 3745 dip->next = AUDIO_MIXER_LAST; 3746 goto mute; 3747 3748 case GUSMAX_MONITOR_MUTE: 3749 dip->mixer_class = GUSMAX_OUTPUT_CLASS; 3750 dip->type = AUDIO_MIXER_ENUM; 3751 dip->prev = GUSMAX_MONITOR_LVL; 3752 dip->next = AUDIO_MIXER_LAST; 3753 goto mute; 3754 3755 case GUSMAX_SPEAKER_MUTE: 3756 dip->mixer_class = GUSMAX_OUTPUT_CLASS; 3757 dip->type = AUDIO_MIXER_ENUM; 3758 dip->prev = GUSMAX_SPEAKER_LVL; 3759 dip->next = AUDIO_MIXER_LAST; 3760 mute: 3761 strcpy(dip->label.name, AudioNmute); 3762 dip->un.e.num_mem = 2; 3763 strcpy(dip->un.e.member[0].label.name, AudioNoff); 3764 dip->un.e.member[0].ord = 0; 3765 strcpy(dip->un.e.member[1].label.name, AudioNon); 3766 dip->un.e.member[1].ord = 1; 3767 break; 3768 3769 case GUSMAX_REC_LVL: /* record level */ 3770 dip->type = AUDIO_MIXER_VALUE; 3771 dip->mixer_class = GUSMAX_RECORD_CLASS; 3772 dip->prev = AUDIO_MIXER_LAST; 3773 dip->next = GUSMAX_RECORD_SOURCE; 3774 strcpy(dip->label.name, AudioNrecord); 3775 dip->un.v.num_channels = 2; 3776 strcpy(dip->un.v.units.name, AudioNvolume); 3777 break; 3778 3779 case GUSMAX_RECORD_SOURCE: 3780 dip->mixer_class = GUSMAX_RECORD_CLASS; 3781 dip->type = AUDIO_MIXER_ENUM; 3782 dip->prev = GUSMAX_REC_LVL; 3783 dip->next = AUDIO_MIXER_LAST; 3784 strcpy(dip->label.name, AudioNsource); 3785 dip->un.e.num_mem = 4; 3786 strcpy(dip->un.e.member[0].label.name, AudioNoutput); 3787 dip->un.e.member[0].ord = DAC_IN_PORT; 3788 strcpy(dip->un.e.member[1].label.name, AudioNmicrophone); 3789 dip->un.e.member[1].ord = MIC_IN_PORT; 3790 strcpy(dip->un.e.member[2].label.name, AudioNdac); 3791 dip->un.e.member[2].ord = AUX1_IN_PORT; 3792 strcpy(dip->un.e.member[3].label.name, AudioNline); 3793 dip->un.e.member[3].ord = LINE_IN_PORT; 3794 break; 3795 3796 case GUSMAX_INPUT_CLASS: /* input class descriptor */ 3797 dip->type = AUDIO_MIXER_CLASS; 3798 dip->mixer_class = GUSMAX_INPUT_CLASS; 3799 dip->next = dip->prev = AUDIO_MIXER_LAST; 3800 strcpy(dip->label.name, AudioCinputs); 3801 break; 3802 3803 case GUSMAX_OUTPUT_CLASS: /* output class descriptor */ 3804 dip->type = AUDIO_MIXER_CLASS; 3805 dip->mixer_class = GUSMAX_OUTPUT_CLASS; 3806 dip->next = dip->prev = AUDIO_MIXER_LAST; 3807 strcpy(dip->label.name, AudioCoutputs); 3808 break; 3809 3810 case GUSMAX_MONITOR_CLASS: /* monitor class descriptor */ 3811 dip->type = AUDIO_MIXER_CLASS; 3812 dip->mixer_class = GUSMAX_MONITOR_CLASS; 3813 dip->next = dip->prev = AUDIO_MIXER_LAST; 3814 strcpy(dip->label.name, AudioCmonitor); 3815 break; 3816 3817 case GUSMAX_RECORD_CLASS: /* record source class */ 3818 dip->type = AUDIO_MIXER_CLASS; 3819 dip->mixer_class = GUSMAX_RECORD_CLASS; 3820 dip->next = dip->prev = AUDIO_MIXER_LAST; 3821 strcpy(dip->label.name, AudioCrecord); 3822 break; 3823 3824 default: 3825 return ENXIO; 3826 /*NOTREACHED*/ 3827 } 3828 DPRINTF(("AUDIO_MIXER_DEVINFO: name=%s\n", dip->label.name)); 3829 return 0; 3830} 3831 3832STATIC int 3833gus_mixer_query_devinfo(void *addr, mixer_devinfo_t *dip) 3834{ 3835 struct gus_softc *sc; 3836 3837 DPRINTF(("gusmax_query_devinfo: index=%d\n", dip->index)); 3838 sc = addr; 3839 if (!HAS_MIXER(sc) && dip->index > GUSICS_MASTER_MUTE) 3840 return ENXIO; 3841 3842 switch(dip->index) { 3843 3844 case GUSICS_MIC_IN_LVL: /* Microphone */ 3845 dip->type = AUDIO_MIXER_VALUE; 3846 dip->mixer_class = GUSICS_INPUT_CLASS; 3847 dip->prev = AUDIO_MIXER_LAST; 3848 dip->next = GUSICS_MIC_IN_MUTE; 3849 strcpy(dip->label.name, AudioNmicrophone); 3850 dip->un.v.num_channels = 2; 3851 strcpy(dip->un.v.units.name, AudioNvolume); 3852 break; 3853 3854 case GUSICS_LINE_IN_LVL: /* line */ 3855 dip->type = AUDIO_MIXER_VALUE; 3856 dip->mixer_class = GUSICS_INPUT_CLASS; 3857 dip->prev = AUDIO_MIXER_LAST; 3858 dip->next = GUSICS_LINE_IN_MUTE; 3859 strcpy(dip->label.name, AudioNline); 3860 dip->un.v.num_channels = 2; 3861 strcpy(dip->un.v.units.name, AudioNvolume); 3862 break; 3863 3864 case GUSICS_CD_LVL: /* cd */ 3865 dip->type = AUDIO_MIXER_VALUE; 3866 dip->mixer_class = GUSICS_INPUT_CLASS; 3867 dip->prev = AUDIO_MIXER_LAST; 3868 dip->next = GUSICS_CD_MUTE; 3869 strcpy(dip->label.name, AudioNcd); 3870 dip->un.v.num_channels = 2; 3871 strcpy(dip->un.v.units.name, AudioNvolume); 3872 break; 3873 3874 case GUSICS_DAC_LVL: /* dacout */ 3875 dip->type = AUDIO_MIXER_VALUE; 3876 dip->mixer_class = GUSICS_INPUT_CLASS; 3877 dip->prev = AUDIO_MIXER_LAST; 3878 dip->next = GUSICS_DAC_MUTE; 3879 strcpy(dip->label.name, AudioNdac); 3880 dip->un.v.num_channels = 2; 3881 strcpy(dip->un.v.units.name, AudioNvolume); 3882 break; 3883 3884 case GUSICS_MASTER_LVL: /* master output */ 3885 dip->type = AUDIO_MIXER_VALUE; 3886 dip->mixer_class = GUSICS_OUTPUT_CLASS; 3887 dip->prev = AUDIO_MIXER_LAST; 3888 dip->next = GUSICS_MASTER_MUTE; 3889 strcpy(dip->label.name, AudioNmaster); 3890 dip->un.v.num_channels = 2; 3891 strcpy(dip->un.v.units.name, AudioNvolume); 3892 break; 3893 3894 3895 case GUSICS_LINE_IN_MUTE: 3896 dip->mixer_class = GUSICS_INPUT_CLASS; 3897 dip->type = AUDIO_MIXER_ENUM; 3898 dip->prev = GUSICS_LINE_IN_LVL; 3899 dip->next = AUDIO_MIXER_LAST; 3900 goto mute; 3901 3902 case GUSICS_DAC_MUTE: 3903 dip->mixer_class = GUSICS_INPUT_CLASS; 3904 dip->type = AUDIO_MIXER_ENUM; 3905 dip->prev = GUSICS_DAC_LVL; 3906 dip->next = AUDIO_MIXER_LAST; 3907 goto mute; 3908 3909 case GUSICS_CD_MUTE: 3910 dip->mixer_class = GUSICS_INPUT_CLASS; 3911 dip->type = AUDIO_MIXER_ENUM; 3912 dip->prev = GUSICS_CD_LVL; 3913 dip->next = AUDIO_MIXER_LAST; 3914 goto mute; 3915 3916 case GUSICS_MIC_IN_MUTE: 3917 dip->mixer_class = GUSICS_INPUT_CLASS; 3918 dip->type = AUDIO_MIXER_ENUM; 3919 dip->prev = GUSICS_MIC_IN_LVL; 3920 dip->next = AUDIO_MIXER_LAST; 3921 goto mute; 3922 3923 case GUSICS_MASTER_MUTE: 3924 dip->mixer_class = GUSICS_OUTPUT_CLASS; 3925 dip->type = AUDIO_MIXER_ENUM; 3926 dip->prev = GUSICS_MASTER_LVL; 3927 dip->next = AUDIO_MIXER_LAST; 3928mute: 3929 strcpy(dip->label.name, AudioNmute); 3930 dip->un.e.num_mem = 2; 3931 strcpy(dip->un.e.member[0].label.name, AudioNoff); 3932 dip->un.e.member[0].ord = 0; 3933 strcpy(dip->un.e.member[1].label.name, AudioNon); 3934 dip->un.e.member[1].ord = 1; 3935 break; 3936 3937 case GUSICS_RECORD_SOURCE: 3938 dip->mixer_class = GUSICS_RECORD_CLASS; 3939 dip->type = AUDIO_MIXER_ENUM; 3940 dip->prev = dip->next = AUDIO_MIXER_LAST; 3941 strcpy(dip->label.name, AudioNsource); 3942 dip->un.e.num_mem = 1; 3943 strcpy(dip->un.e.member[0].label.name, AudioNoutput); 3944 dip->un.e.member[0].ord = GUSICS_MASTER_LVL; 3945 break; 3946 3947 case GUSICS_INPUT_CLASS: 3948 dip->type = AUDIO_MIXER_CLASS; 3949 dip->mixer_class = GUSICS_INPUT_CLASS; 3950 dip->next = dip->prev = AUDIO_MIXER_LAST; 3951 strcpy(dip->label.name, AudioCinputs); 3952 break; 3953 3954 case GUSICS_OUTPUT_CLASS: 3955 dip->type = AUDIO_MIXER_CLASS; 3956 dip->mixer_class = GUSICS_OUTPUT_CLASS; 3957 dip->next = dip->prev = AUDIO_MIXER_LAST; 3958 strcpy(dip->label.name, AudioCoutputs); 3959 break; 3960 3961 case GUSICS_RECORD_CLASS: 3962 dip->type = AUDIO_MIXER_CLASS; 3963 dip->mixer_class = GUSICS_RECORD_CLASS; 3964 dip->next = dip->prev = AUDIO_MIXER_LAST; 3965 strcpy(dip->label.name, AudioCrecord); 3966 break; 3967 3968 default: 3969 return ENXIO; 3970 /*NOTREACHED*/ 3971 } 3972 DPRINTF(("AUDIO_MIXER_DEVINFO: name=%s\n", dip->label.name)); 3973 return 0; 3974} 3975 3976STATIC int 3977gus_query_format(void *addr, audio_format_query_t *afp) 3978{ 3979 3980 return audio_query_format(gus_formats, GUS_NFORMATS, afp); 3981} 3982 3983/* 3984 * Setup the ICS mixer in "transparent" mode: reset everything to a sensible 3985 * level. Levels as suggested by GUS SDK code. 3986 */ 3987STATIC void 3988gus_init_ics2101(struct gus_softc *sc) 3989{ 3990 struct ics2101_softc *ic; 3991 3992 ic = &sc->sc_mixer; 3993 sc->sc_mixer.sc_iot = sc->sc_iot; 3994 sc->sc_mixer.sc_selio = GUS_MIXER_SELECT; 3995 sc->sc_mixer.sc_selio_ioh = sc->sc_ioh3; 3996 sc->sc_mixer.sc_dataio = GUS_MIXER_DATA; 3997 sc->sc_mixer.sc_dataio_ioh = sc->sc_ioh2; 3998 sc->sc_mixer.sc_flags = (sc->sc_revision == 5) ? ICS_FLIP : 0; 3999 4000 ics2101_mix_attenuate(ic, 4001 GUSMIX_CHAN_MIC, 4002 ICSMIX_LEFT, 4003 ICSMIX_MIN_ATTN); 4004 ics2101_mix_attenuate(ic, 4005 GUSMIX_CHAN_MIC, 4006 ICSMIX_RIGHT, 4007 ICSMIX_MIN_ATTN); 4008 /* 4009 * Start with microphone muted by the mixer... 4010 */ 4011 gusics_mic_mute(ic, 1); 4012 4013 /* ... and enabled by the GUS master mix control */ 4014 gus_mic_ctl(sc, SPKR_ON); 4015 4016 ics2101_mix_attenuate(ic, 4017 GUSMIX_CHAN_LINE, 4018 ICSMIX_LEFT, 4019 ICSMIX_MIN_ATTN); 4020 ics2101_mix_attenuate(ic, 4021 GUSMIX_CHAN_LINE, 4022 ICSMIX_RIGHT, 4023 ICSMIX_MIN_ATTN); 4024 4025 ics2101_mix_attenuate(ic, 4026 GUSMIX_CHAN_CD, 4027 ICSMIX_LEFT, 4028 ICSMIX_MIN_ATTN); 4029 ics2101_mix_attenuate(ic, 4030 GUSMIX_CHAN_CD, 4031 ICSMIX_RIGHT, 4032 ICSMIX_MIN_ATTN); 4033 4034 ics2101_mix_attenuate(ic, 4035 GUSMIX_CHAN_DAC, 4036 ICSMIX_LEFT, 4037 ICSMIX_MIN_ATTN); 4038 ics2101_mix_attenuate(ic, 4039 GUSMIX_CHAN_DAC, 4040 ICSMIX_RIGHT, 4041 ICSMIX_MIN_ATTN); 4042 4043 ics2101_mix_attenuate(ic, 4044 ICSMIX_CHAN_4, 4045 ICSMIX_LEFT, 4046 ICSMIX_MAX_ATTN); 4047 ics2101_mix_attenuate(ic, 4048 ICSMIX_CHAN_4, 4049 ICSMIX_RIGHT, 4050 ICSMIX_MAX_ATTN); 4051 4052 ics2101_mix_attenuate(ic, 4053 GUSMIX_CHAN_MASTER, 4054 ICSMIX_LEFT, 4055 ICSMIX_MIN_ATTN); 4056 ics2101_mix_attenuate(ic, 4057 GUSMIX_CHAN_MASTER, 4058 ICSMIX_RIGHT, 4059 ICSMIX_MIN_ATTN); 4060 /* unmute other stuff: */ 4061 gusics_cd_mute(ic, 0); 4062 gusics_dac_mute(ic, 0); 4063 gusics_linein_mute(ic, 0); 4064 return; 4065} 4066