/* $OpenBSD: gus.c,v 1.18 1998/11/03 21:14:59 downsj Exp $ */ /* $NetBSD: gus.c,v 1.51 1998/01/25 23:48:06 mycroft Exp $ */ /*- * Copyright (c) 1996 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Ken Hornstein and John Kohl. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * * TODO: * . figure out why mixer activity while sound is playing causes problems * (phantom interrupts?) * . figure out a better deinterleave strategy that avoids sucking up * CPU, memory and cache bandwidth. (Maybe a special encoding? * Maybe use the double-speed sampling/hardware deinterleave trick * from the GUS SDK?) A 486/33 isn't quite fast enough to keep * up with 44.1kHz 16-bit stereo output without some drop-outs. * . use CS4231 for 16-bit sampling, for a-law and mu-law playback. * . actually test full-duplex sampling(recording) and playback. */ /* * Gravis UltraSound driver * * For more detailed information, see the GUS developers' kit * available on the net at: * * ftp://freedom.nmsu.edu/pub/ultrasound/gravis/util/ * gusdkXXX.zip (developers' kit--get rev 2.22 or later) * See ultrawrd.doc inside--it's MS Word (ick), but it's the bible * */ /* * The GUS Max has a slightly strange set of connections between the CS4231 * and the GF1 and the DMA interconnects. It's set up so that the CS4231 can * be playing while the GF1 is loading patches from the system. * * Here's a recreation of the DMA interconnect diagram: * * GF1 * +---------+ digital * | | record ASIC * | |--------------+ * | | | +--------+ * | | play (dram) | +----+ | | * | |--------------(------|-\ | | +-+ | * +---------+ | | >-|----|---|C|--|------ dma chan 1 * | +---|-/ | | +-+ | * | | +----+ | | | * | | +----+ | | | * +---------+ +-+ +--(---|-\ | | | | * | | play |8| | | >-|----|----+---|------ dma chan 2 * | ---C----|--------|/|------(---|-/ | | | * | ^ |record |1| | +----+ | | * | | | /----|6|------+ +--------+ * | ---+----|--/ +-+ * +---------+ * CS4231 8-to-16 bit bus conversion, if needed * * * "C" is an optional combiner. * */ #include "gus.h" #if NGUS > 0 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "gusreg.h" #ifdef AUDIO_DEBUG #define STATIC /* empty; for debugging symbols */ #else #define STATIC static #endif /* * Software state of a single "voice" on the GUS */ struct gus_voice { /* * Various control bits */ unsigned char voccntl; /* State of voice control register */ unsigned char volcntl; /* State of volume control register */ unsigned char pan_pos; /* Position of volume panning (4 bits) */ int rate; /* Sample rate of voice being played back */ /* * Address of the voice data into the GUS's DRAM. 20 bits each */ u_long start_addr; /* Starting address of voice data loop area */ u_long end_addr; /* Ending address of voice data loop */ u_long current_addr; /* Beginning address of voice data (start playing here) */ /* * linear volume values for the GUS's volume ramp. 0-511 (9 bits). * These values must be translated into the logarithmic values using * gus_log_volumes[] */ int start_volume; /* Starting position of volume ramp */ int current_volume; /* Current position of volume on volume ramp */ int end_volume; /* Ending position of volume on volume ramp */ }; /* * Software state of GUS */ struct gus_softc { struct device sc_dev; /* base device */ struct device *sc_isa; /* pointer to ISA parent */ void *sc_ih; /* interrupt vector */ bus_space_tag_t sc_iot; /* tag */ bus_space_handle_t sc_ioh1; /* handle */ bus_space_handle_t sc_ioh2; /* handle */ bus_space_handle_t sc_ioh3; /* ICS2101 handle */ bus_space_handle_t sc_ioh4; /* MIDI handle */ int sc_iobase; /* I/O base address */ int sc_irq; /* IRQ used */ int sc_drq; /* DMA channel for play */ int sc_recdrq; /* DMA channel for recording */ int sc_flags; /* Various flags about the GUS */ #define GUS_MIXER_INSTALLED 0x01 /* An ICS mixer is installed */ #define GUS_LOCKED 0x02 /* GUS is busy doing multi-phase DMA */ #define GUS_CODEC_INSTALLED 0x04 /* CS4231 installed/MAX */ #define GUS_PLAYING 0x08 /* GUS is playing a voice */ #define GUS_DMAOUT_ACTIVE 0x10 /* GUS is busy doing audio DMA */ #define GUS_DMAIN_ACTIVE 0x20 /* GUS is busy sampling */ #define GUS_OPEN 0x100 /* GUS is open */ int sc_dsize; /* Size of GUS DRAM */ int sc_voices; /* Number of active voices */ u_char sc_revision; /* Board revision of GUS */ u_char sc_mixcontrol; /* Value of GUS_MIX_CONTROL register */ u_long sc_orate; /* Output sampling rate */ u_long sc_irate; /* Input sampling rate */ int sc_encoding; /* Current data encoding type */ int sc_precision; /* # of bits of precision */ int sc_channels; /* Number of active channels */ int sc_blocksize; /* Current blocksize */ int sc_chanblocksize; /* Current blocksize for each in-use channel */ short sc_nbufs; /* how many on-GUS bufs per-channel */ short sc_bufcnt; /* how many need to be played */ void *sc_deintr_buf; /* deinterleave buffer for stereo */ int sc_ogain; /* Output gain control */ u_char sc_out_port; /* Current out port (generic only) */ u_char sc_in_port; /* keep track of it when no codec */ void (*sc_dmaoutintr) __P((void*)); /* DMA completion intr handler */ void *sc_outarg; /* argument for sc_dmaoutintr() */ u_char *sc_dmaoutaddr; /* for isadma_done */ u_long sc_gusaddr; /* where did we just put it? */ int sc_dmaoutcnt; /* for isadma_done */ void (*sc_dmainintr) __P((void*)); /* DMA completion intr handler */ void *sc_inarg; /* argument for sc_dmaoutintr() */ u_char *sc_dmainaddr; /* for isadma_done */ int sc_dmaincnt; /* for isadma_done */ struct stereo_dma_intr { void (*intr)__P((void *)); void *arg; u_char *buffer; u_long dmabuf; int size; int flags; } sc_stereo; /* * State information for linear audio layer */ int sc_dmabuf; /* Which ring buffer we're DMA'ing to */ int sc_playbuf; /* Which ring buffer we're playing */ /* * Voice information array. All voice-specific information is stored * here */ struct gus_voice sc_voc[32]; /* Voice data for each voice */ union { struct ics2101_softc sc_mixer_u; struct ad1848_softc sc_codec_u; } u; #define sc_mixer u.sc_mixer_u #define sc_codec u.sc_codec_u }; struct ics2101_volume { u_char left; u_char right; }; #define HAS_CODEC(sc) ((sc)->sc_flags & GUS_CODEC_INSTALLED) #define HAS_MIXER(sc) ((sc)->sc_flags & GUS_MIXER_INSTALLED) /* * Mixer devices for ICS2101 */ /* MIC IN mute, line in mute, line out mute are first since they can be done even if no ICS mixer. */ #define GUSICS_MIC_IN_MUTE 0 #define GUSICS_LINE_IN_MUTE 1 #define GUSICS_MASTER_MUTE 2 #define GUSICS_CD_MUTE 3 #define GUSICS_DAC_MUTE 4 #define GUSICS_MIC_IN_LVL 5 #define GUSICS_LINE_IN_LVL 6 #define GUSICS_CD_LVL 7 #define GUSICS_DAC_LVL 8 #define GUSICS_MASTER_LVL 9 #define GUSICS_RECORD_SOURCE 10 /* Classes */ #define GUSICS_INPUT_CLASS 11 #define GUSICS_OUTPUT_CLASS 12 #define GUSICS_RECORD_CLASS 13 /* * Mixer & MUX devices for CS4231 */ #define GUSMAX_MONO_LVL 0 /* mic input to MUX; also mono mixer input */ #define GUSMAX_DAC_LVL 1 /* input to MUX; also mixer input */ #define GUSMAX_LINE_IN_LVL 2 /* input to MUX; also mixer input */ #define GUSMAX_CD_LVL 3 /* mixer input only */ #define GUSMAX_MONITOR_LVL 4 /* digital mix (?) */ #define GUSMAX_OUT_LVL 5 /* output level. (?) */ #define GUSMAX_SPEAKER_LVL 6 /* pseudo-device for mute */ #define GUSMAX_LINE_IN_MUTE 7 /* pre-mixer */ #define GUSMAX_DAC_MUTE 8 /* pre-mixer */ #define GUSMAX_CD_MUTE 9 /* pre-mixer */ #define GUSMAX_MONO_MUTE 10 /* pre-mixer--microphone/mono */ #define GUSMAX_MONITOR_MUTE 11 /* post-mixer level/mute */ #define GUSMAX_SPEAKER_MUTE 12 /* speaker mute */ #define GUSMAX_REC_LVL 13 /* post-MUX gain */ #define GUSMAX_RECORD_SOURCE 14 /* Classes */ #define GUSMAX_INPUT_CLASS 15 #define GUSMAX_RECORD_CLASS 16 #define GUSMAX_MONITOR_CLASS 17 #define GUSMAX_OUTPUT_CLASS 18 #ifdef AUDIO_DEBUG #define GUSPLAYDEBUG /*XXX*/ #define DPRINTF(x) if (gusdebug) printf x #define DMAPRINTF(x) if (gusdmadebug) printf x int gusdebug = 0; int gusdmadebug = 0; #else #define DPRINTF(x) #define DMAPRINTF(x) #endif int gus_dostereo = 1; #define NDMARECS 2048 #ifdef GUSPLAYDEBUG int gusstats = 0; struct dma_record { struct timeval tv; u_long gusaddr; caddr_t bsdaddr; u_short count; u_char channel; u_char direction; } dmarecords[NDMARECS]; int dmarecord_index = 0; #endif /* * local routines */ int gusopen __P((void *, int)); void gusclose __P((void *)); void gusmax_close __P((void *)); int gusintr __P((void *)); int gus_set_in_gain __P((caddr_t, u_int, u_char)); int gus_get_in_gain __P((caddr_t)); int gus_set_out_gain __P((caddr_t, u_int, u_char)); int gus_get_out_gain __P((caddr_t)); int gus_set_params __P((void *, int, int, struct audio_params *, struct audio_params *)); int gusmax_set_params __P((void *, int, int, struct audio_params *, struct audio_params *)); int gus_round_blocksize __P((void *, int)); int gus_commit_settings __P((void *)); int gus_dma_output __P((void *, void *, int, void (*)(void *), void *)); int gus_dma_input __P((void *, void *, int, void (*)(void *), void *)); int gus_halt_out_dma __P((void *)); int gus_halt_in_dma __P((void *)); int gus_speaker_ctl __P((void *, int)); int gusmaxopen __P((void *, int)); int gusmax_round_blocksize __P((void *, int)); int gusmax_commit_settings __P((void *)); int gusmax_dma_output __P((void *, void *, int, void (*)(void *), void *)); int gusmax_dma_input __P((void *, void *, int, void (*)(void *), void *)); int gusmax_halt_out_dma __P((void *)); int gusmax_halt_in_dma __P((void *)); int gusmax_speaker_ctl __P((void *, int)); int gus_getdev __P((void *, struct audio_device *)); STATIC void gus_deinterleave __P((struct gus_softc *, void *, int)); STATIC int gus_mic_ctl __P((void *, int)); STATIC int gus_linein_ctl __P((void *, int)); STATIC int gus_test_iobase __P((bus_space_tag_t, int)); STATIC void guspoke __P((bus_space_tag_t, bus_space_handle_t, long, u_char)); STATIC void gusdmaout __P((struct gus_softc *, int, u_long, caddr_t, int)); STATIC int gus_init_cs4231 __P((struct gus_softc *)); STATIC void gus_init_ics2101 __P((struct gus_softc *)); STATIC void gus_set_chan_addrs __P((struct gus_softc *)); STATIC void gusreset __P((struct gus_softc *, int)); STATIC void gus_set_voices __P((struct gus_softc *, int)); STATIC void gus_set_volume __P((struct gus_softc *, int, int)); STATIC void gus_set_samprate __P((struct gus_softc *, int, int)); STATIC void gus_set_recrate __P((struct gus_softc *, u_long)); STATIC void gus_start_voice __P((struct gus_softc *, int, int)); STATIC void gus_stop_voice __P((struct gus_softc *, int, int)); STATIC void gus_set_endaddr __P((struct gus_softc *, int, u_long)); #ifdef GUSPLAYDEBUG STATIC void gus_set_curaddr __P((struct gus_softc *, int, u_long)); STATIC u_long gus_get_curaddr __P((struct gus_softc *, int)); #endif STATIC int gus_dmaout_intr __P((struct gus_softc *)); STATIC void gus_dmaout_dointr __P((struct gus_softc *)); STATIC void gus_dmaout_timeout __P((void *)); STATIC int gus_dmain_intr __P((struct gus_softc *)); STATIC int gus_voice_intr __P((struct gus_softc *)); STATIC void gus_start_playing __P((struct gus_softc *, int)); STATIC int gus_continue_playing __P((struct gus_softc *, int)); STATIC u_char guspeek __P((bus_space_tag_t, bus_space_handle_t, u_long)); STATIC u_long convert_to_16bit __P((u_long)); STATIC int gus_mixer_set_port __P((void *, mixer_ctrl_t *)); STATIC int gus_mixer_get_port __P((void *, mixer_ctrl_t *)); STATIC int gusmax_mixer_set_port __P((void *, mixer_ctrl_t *)); STATIC int gusmax_mixer_get_port __P((void *, mixer_ctrl_t *)); STATIC int gus_mixer_query_devinfo __P((void *, mixer_devinfo_t *)); STATIC int gusmax_mixer_query_devinfo __P((void *, mixer_devinfo_t *)); STATIC int gus_query_encoding __P((void *, struct audio_encoding *)); STATIC int gus_get_props __P((void *)); STATIC int gusmax_get_props __P((void *)); STATIC void gusics_master_mute __P((struct ics2101_softc *, int)); STATIC void gusics_dac_mute __P((struct ics2101_softc *, int)); STATIC void gusics_mic_mute __P((struct ics2101_softc *, int)); STATIC void gusics_linein_mute __P((struct ics2101_softc *, int)); STATIC void gusics_cd_mute __P((struct ics2101_softc *, int)); void stereo_dmaintr __P((void *)); /* * ISA bus driver routines */ #define __BROKEN_INDIRECT_CONFIG #ifdef __BROKEN_INDIRECT_CONFIG int gusprobe __P((struct device *, void *, void *)); #else int gusprobe __P((struct device *, struct cfdata *, void *)); #endif void gusattach __P((struct device *, struct device *, void *)); struct cfattach gus_ca = { sizeof(struct gus_softc), gusprobe, gusattach, }; struct cfdriver gus_cd = { NULL, "gus", DV_DULL }; /* * A mapping from IRQ/DRQ values to the values used in the GUS's internal * registers. A zero means that the referenced IRQ/DRQ is invalid */ static int gus_irq_map[] = { IRQUNK, IRQUNK, 1, 3, IRQUNK, 2, IRQUNK, 4, IRQUNK, 1, IRQUNK, 5, 6, IRQUNK, IRQUNK, 7 }; static int gus_drq_map[] = { DRQUNK, 1, DRQUNK, 2, DRQUNK, 3, 4, 5 }; /* * A list of valid base addresses for the GUS */ static int gus_base_addrs[] = { 0x210, 0x220, 0x230, 0x240, 0x250, 0x260 }; static int gus_addrs = sizeof(gus_base_addrs) / sizeof(gus_base_addrs[0]); /* * Maximum frequency values of the GUS based on the number of currently active * voices. Since the GUS samples a voice every 1.6 us, the maximum frequency * is dependent on the number of active voices. Yes, it is pretty weird. */ static int gus_max_frequency[] = { 44100, /* 14 voices */ 41160, /* 15 voices */ 38587, /* 16 voices */ 36317, /* 17 voices */ 34300, /* 18 voices */ 32494, /* 19 voices */ 30870, /* 20 voices */ 29400, /* 21 voices */ 28063, /* 22 voices */ 26843, /* 23 voices */ 25725, /* 24 voices */ 24696, /* 25 voices */ 23746, /* 26 voices */ 22866, /* 27 voices */ 22050, /* 28 voices */ 21289, /* 29 voices */ 20580, /* 30 voices */ 19916, /* 31 voices */ 19293 /* 32 voices */ }; /* * A mapping of linear volume levels to the logarithmic volume values used * by the GF1 chip on the GUS. From GUS SDK vol1.c. */ static unsigned short gus_log_volumes[512] = { 0x0000, 0x0700, 0x07ff, 0x0880, 0x08ff, 0x0940, 0x0980, 0x09c0, 0x09ff, 0x0a20, 0x0a40, 0x0a60, 0x0a80, 0x0aa0, 0x0ac0, 0x0ae0, 0x0aff, 0x0b10, 0x0b20, 0x0b30, 0x0b40, 0x0b50, 0x0b60, 0x0b70, 0x0b80, 0x0b90, 0x0ba0, 0x0bb0, 0x0bc0, 0x0bd0, 0x0be0, 0x0bf0, 0x0bff, 0x0c08, 0x0c10, 0x0c18, 0x0c20, 0x0c28, 0x0c30, 0x0c38, 0x0c40, 0x0c48, 0x0c50, 0x0c58, 0x0c60, 0x0c68, 0x0c70, 0x0c78, 0x0c80, 0x0c88, 0x0c90, 0x0c98, 0x0ca0, 0x0ca8, 0x0cb0, 0x0cb8, 0x0cc0, 0x0cc8, 0x0cd0, 0x0cd8, 0x0ce0, 0x0ce8, 0x0cf0, 0x0cf8, 0x0cff, 0x0d04, 0x0d08, 0x0d0c, 0x0d10, 0x0d14, 0x0d18, 0x0d1c, 0x0d20, 0x0d24, 0x0d28, 0x0d2c, 0x0d30, 0x0d34, 0x0d38, 0x0d3c, 0x0d40, 0x0d44, 0x0d48, 0x0d4c, 0x0d50, 0x0d54, 0x0d58, 0x0d5c, 0x0d60, 0x0d64, 0x0d68, 0x0d6c, 0x0d70, 0x0d74, 0x0d78, 0x0d7c, 0x0d80, 0x0d84, 0x0d88, 0x0d8c, 0x0d90, 0x0d94, 0x0d98, 0x0d9c, 0x0da0, 0x0da4, 0x0da8, 0x0dac, 0x0db0, 0x0db4, 0x0db8, 0x0dbc, 0x0dc0, 0x0dc4, 0x0dc8, 0x0dcc, 0x0dd0, 0x0dd4, 0x0dd8, 0x0ddc, 0x0de0, 0x0de4, 0x0de8, 0x0dec, 0x0df0, 0x0df4, 0x0df8, 0x0dfc, 0x0dff, 0x0e02, 0x0e04, 0x0e06, 0x0e08, 0x0e0a, 0x0e0c, 0x0e0e, 0x0e10, 0x0e12, 0x0e14, 0x0e16, 0x0e18, 0x0e1a, 0x0e1c, 0x0e1e, 0x0e20, 0x0e22, 0x0e24, 0x0e26, 0x0e28, 0x0e2a, 0x0e2c, 0x0e2e, 0x0e30, 0x0e32, 0x0e34, 0x0e36, 0x0e38, 0x0e3a, 0x0e3c, 0x0e3e, 0x0e40, 0x0e42, 0x0e44, 0x0e46, 0x0e48, 0x0e4a, 0x0e4c, 0x0e4e, 0x0e50, 0x0e52, 0x0e54, 0x0e56, 0x0e58, 0x0e5a, 0x0e5c, 0x0e5e, 0x0e60, 0x0e62, 0x0e64, 0x0e66, 0x0e68, 0x0e6a, 0x0e6c, 0x0e6e, 0x0e70, 0x0e72, 0x0e74, 0x0e76, 0x0e78, 0x0e7a, 0x0e7c, 0x0e7e, 0x0e80, 0x0e82, 0x0e84, 0x0e86, 0x0e88, 0x0e8a, 0x0e8c, 0x0e8e, 0x0e90, 0x0e92, 0x0e94, 0x0e96, 0x0e98, 0x0e9a, 0x0e9c, 0x0e9e, 0x0ea0, 0x0ea2, 0x0ea4, 0x0ea6, 0x0ea8, 0x0eaa, 0x0eac, 0x0eae, 0x0eb0, 0x0eb2, 0x0eb4, 0x0eb6, 0x0eb8, 0x0eba, 0x0ebc, 0x0ebe, 0x0ec0, 0x0ec2, 0x0ec4, 0x0ec6, 0x0ec8, 0x0eca, 0x0ecc, 0x0ece, 0x0ed0, 0x0ed2, 0x0ed4, 0x0ed6, 0x0ed8, 0x0eda, 0x0edc, 0x0ede, 0x0ee0, 0x0ee2, 0x0ee4, 0x0ee6, 0x0ee8, 0x0eea, 0x0eec, 0x0eee, 0x0ef0, 0x0ef2, 0x0ef4, 0x0ef6, 0x0ef8, 0x0efa, 0x0efc, 0x0efe, 0x0eff, 0x0f01, 0x0f02, 0x0f03, 0x0f04, 0x0f05, 0x0f06, 0x0f07, 0x0f08, 0x0f09, 0x0f0a, 0x0f0b, 0x0f0c, 0x0f0d, 0x0f0e, 0x0f0f, 0x0f10, 0x0f11, 0x0f12, 0x0f13, 0x0f14, 0x0f15, 0x0f16, 0x0f17, 0x0f18, 0x0f19, 0x0f1a, 0x0f1b, 0x0f1c, 0x0f1d, 0x0f1e, 0x0f1f, 0x0f20, 0x0f21, 0x0f22, 0x0f23, 0x0f24, 0x0f25, 0x0f26, 0x0f27, 0x0f28, 0x0f29, 0x0f2a, 0x0f2b, 0x0f2c, 0x0f2d, 0x0f2e, 0x0f2f, 0x0f30, 0x0f31, 0x0f32, 0x0f33, 0x0f34, 0x0f35, 0x0f36, 0x0f37, 0x0f38, 0x0f39, 0x0f3a, 0x0f3b, 0x0f3c, 0x0f3d, 0x0f3e, 0x0f3f, 0x0f40, 0x0f41, 0x0f42, 0x0f43, 0x0f44, 0x0f45, 0x0f46, 0x0f47, 0x0f48, 0x0f49, 0x0f4a, 0x0f4b, 0x0f4c, 0x0f4d, 0x0f4e, 0x0f4f, 0x0f50, 0x0f51, 0x0f52, 0x0f53, 0x0f54, 0x0f55, 0x0f56, 0x0f57, 0x0f58, 0x0f59, 0x0f5a, 0x0f5b, 0x0f5c, 0x0f5d, 0x0f5e, 0x0f5f, 0x0f60, 0x0f61, 0x0f62, 0x0f63, 0x0f64, 0x0f65, 0x0f66, 0x0f67, 0x0f68, 0x0f69, 0x0f6a, 0x0f6b, 0x0f6c, 0x0f6d, 0x0f6e, 0x0f6f, 0x0f70, 0x0f71, 0x0f72, 0x0f73, 0x0f74, 0x0f75, 0x0f76, 0x0f77, 0x0f78, 0x0f79, 0x0f7a, 0x0f7b, 0x0f7c, 0x0f7d, 0x0f7e, 0x0f7f, 0x0f80, 0x0f81, 0x0f82, 0x0f83, 0x0f84, 0x0f85, 0x0f86, 0x0f87, 0x0f88, 0x0f89, 0x0f8a, 0x0f8b, 0x0f8c, 0x0f8d, 0x0f8e, 0x0f8f, 0x0f90, 0x0f91, 0x0f92, 0x0f93, 0x0f94, 0x0f95, 0x0f96, 0x0f97, 0x0f98, 0x0f99, 0x0f9a, 0x0f9b, 0x0f9c, 0x0f9d, 0x0f9e, 0x0f9f, 0x0fa0, 0x0fa1, 0x0fa2, 0x0fa3, 0x0fa4, 0x0fa5, 0x0fa6, 0x0fa7, 0x0fa8, 0x0fa9, 0x0faa, 0x0fab, 0x0fac, 0x0fad, 0x0fae, 0x0faf, 0x0fb0, 0x0fb1, 0x0fb2, 0x0fb3, 0x0fb4, 0x0fb5, 0x0fb6, 0x0fb7, 0x0fb8, 0x0fb9, 0x0fba, 0x0fbb, 0x0fbc, 0x0fbd, 0x0fbe, 0x0fbf, 0x0fc0, 0x0fc1, 0x0fc2, 0x0fc3, 0x0fc4, 0x0fc5, 0x0fc6, 0x0fc7, 0x0fc8, 0x0fc9, 0x0fca, 0x0fcb, 0x0fcc, 0x0fcd, 0x0fce, 0x0fcf, 0x0fd0, 0x0fd1, 0x0fd2, 0x0fd3, 0x0fd4, 0x0fd5, 0x0fd6, 0x0fd7, 0x0fd8, 0x0fd9, 0x0fda, 0x0fdb, 0x0fdc, 0x0fdd, 0x0fde, 0x0fdf, 0x0fe0, 0x0fe1, 0x0fe2, 0x0fe3, 0x0fe4, 0x0fe5, 0x0fe6, 0x0fe7, 0x0fe8, 0x0fe9, 0x0fea, 0x0feb, 0x0fec, 0x0fed, 0x0fee, 0x0fef, 0x0ff0, 0x0ff1, 0x0ff2, 0x0ff3, 0x0ff4, 0x0ff5, 0x0ff6, 0x0ff7, 0x0ff8, 0x0ff9, 0x0ffa, 0x0ffb, 0x0ffc, 0x0ffd, 0x0ffe, 0x0fff}; #define SELECT_GUS_REG(iot,ioh1,x) bus_space_write_1(iot,ioh1,GUS_REG_SELECT,x) #define ADDR_HIGH(x) (unsigned int) ((x >> 7L) & 0x1fffL) #define ADDR_LOW(x) (unsigned int) ((x & 0x7fL) << 9L) #define GUS_MIN_VOICES 14 /* Minimum possible number of voices */ #define GUS_MAX_VOICES 32 /* Maximum possible number of voices */ #define GUS_VOICE_LEFT 0 /* Voice used for left (and mono) playback */ #define GUS_VOICE_RIGHT 1 /* Voice used for right playback */ #define GUS_MEM_OFFSET 32 /* Offset into GUS memory to begin of buffer */ #define GUS_BUFFER_MULTIPLE 1024 /* Audio buffers are multiples of this */ #define GUS_MEM_FOR_BUFFERS 131072 /* use this many bytes on-GUS */ #define GUS_LEFT_RIGHT_OFFSET (sc->sc_nbufs * sc->sc_chanblocksize + GUS_MEM_OFFSET) #define GUS_PREC_BYTES (sc->sc_precision >> 3) /* precision to bytes */ /* splgus() must be splaudio() */ #define splgus splaudio /* * Interface to higher level audio driver */ struct audio_hw_if gus_hw_if = { gusopen, gusclose, NULL, /* drain */ gus_query_encoding, gus_set_params, gus_round_blocksize, gus_commit_settings, NULL, NULL, gus_dma_output, gus_dma_input, gus_halt_out_dma, gus_halt_in_dma, gus_speaker_ctl, gus_getdev, NULL, gus_mixer_set_port, gus_mixer_get_port, gus_mixer_query_devinfo, ad1848_malloc, ad1848_free, ad1848_round, ad1848_mappage, gus_get_props, NULL, NULL }; static struct audio_hw_if gusmax_hw_if = { gusmaxopen, gusmax_close, NULL, /* drain */ gus_query_encoding, /* query encoding */ gusmax_set_params, gusmax_round_blocksize, gusmax_commit_settings, NULL, NULL, gusmax_dma_output, gusmax_dma_input, gusmax_halt_out_dma, gusmax_halt_in_dma, gusmax_speaker_ctl, gus_getdev, NULL, gusmax_mixer_set_port, gusmax_mixer_get_port, gusmax_mixer_query_devinfo, ad1848_malloc, ad1848_free, ad1848_round, ad1848_mappage, gusmax_get_props, }; /* * Some info about the current audio device */ struct audio_device gus_device = { "UltraSound", "", "gus", }; #define FLIP_REV 5 /* This rev has flipped mixer chans */ int gusprobe(parent, match, aux) struct device *parent; #ifdef __BROKEN_INDIRECT_CONFIG void *match; #else struct cfdata *match; #endif void *aux; { struct isa_attach_args *ia = aux; int iobase = ia->ia_iobase; int recdrq = ia->ia_drq2; /* * Before we do anything else, make sure requested IRQ and DRQ are * valid for this card. */ /* XXX range check before indexing!! */ if (ia->ia_irq == IRQUNK || gus_irq_map[ia->ia_irq] == IRQUNK) { DPRINTF(("gus: invalid irq %d, card not probed\n", ia->ia_irq)); return 0; } if (ia->ia_drq == DRQUNK || gus_drq_map[ia->ia_drq] == DRQUNK) { DPRINTF(("gus: invalid drq %d, card not probed\n", ia->ia_drq)); return 0; } if (recdrq != DRQUNK) { if (recdrq > 7 || gus_drq_map[recdrq] == DRQUNK) { DPRINTF(("gus: invalid second DMA channel (%d), card not probed\n", recdrq)); return 0; } } else recdrq = ia->ia_drq; if (iobase == IOBASEUNK) { int i; for(i = 0; i < gus_addrs; i++) if (gus_test_iobase(ia->ia_iot, gus_base_addrs[i])) { iobase = gus_base_addrs[i]; goto done; } return 0; } else if (!gus_test_iobase(ia->ia_iot, iobase)) return 0; done: if ((ia->ia_drq != -1 && !isa_drq_isfree(parent, ia->ia_drq)) || (recdrq != -1 && !isa_drq_isfree(parent, recdrq))) return 0; ia->ia_iobase = iobase; ia->ia_iosize = GUS_NPORT1; return 1; } /* * Test to see if a particular I/O base is valid for the GUS. Return true * if it is. */ STATIC int gus_test_iobase (iot, iobase) bus_space_tag_t iot; int iobase; { bus_space_handle_t ioh1, ioh2, ioh3, ioh4; u_char s1, s2; int s, rv = 0; /* Map i/o space */ if (bus_space_map(iot, iobase, GUS_NPORT1, 0, &ioh1)) return 0; if (bus_space_map(iot, iobase+GUS_IOH2_OFFSET, GUS_NPORT2, 0, &ioh2)) goto bad1; /* XXX Maybe we shouldn't fail on mapping this, but just assume * the card is of revision 0? */ if (bus_space_map(iot, iobase+GUS_IOH3_OFFSET, GUS_NPORT3, 0, &ioh3)) goto bad2; if (bus_space_map(iot, iobase+GUS_IOH4_OFFSET, GUS_NPORT4, 0, &ioh4)) goto bad3; /* * Reset GUS to an initial state before we do anything. */ s = splgus(); delay(500); SELECT_GUS_REG(iot, ioh2, GUSREG_RESET); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 0x00); delay(500); SELECT_GUS_REG(iot, ioh2, GUSREG_RESET); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, GUSMASK_MASTER_RESET); delay(500); splx(s); /* * See if we can write to the board's memory */ s1 = guspeek(iot, ioh2, 0L); s2 = guspeek(iot, ioh2, 1L); guspoke(iot, ioh2, 0L, 0xaa); guspoke(iot, ioh2, 1L, 0x55); if (guspeek(iot, ioh2, 0L) != 0xaa) goto bad; guspoke(iot, ioh2, 0L, s1); guspoke(iot, ioh2, 1L, s2); rv = 1; bad: bus_space_unmap(iot, ioh4, GUS_NPORT4); bad3: bus_space_unmap(iot, ioh3, GUS_NPORT3); bad2: bus_space_unmap(iot, ioh2, GUS_NPORT2); bad1: bus_space_unmap(iot, ioh1, GUS_NPORT1); return rv; } /* * Setup the GUS for use; called shortly after probe */ void gusattach(parent, self, aux) struct device *parent, *self; void *aux; { struct gus_softc *sc = (void *) self; struct isa_attach_args *ia = aux; bus_space_tag_t iot; bus_space_handle_t ioh1, ioh2, ioh3, ioh4; int iobase, i; unsigned char c,d,m; sc->sc_iot = iot = ia->ia_iot; iobase = ia->ia_iobase; /* Map i/o space */ if (bus_space_map(iot, iobase, GUS_NPORT1, 0, &ioh1)) panic("%s: can't map io port range 1", self->dv_xname); sc->sc_ioh1 = ioh1; if (bus_space_map(iot, iobase+GUS_IOH2_OFFSET, GUS_NPORT2, 0, &ioh2)) panic("%s: can't map io port range 2", self->dv_xname); sc->sc_ioh2 = ioh2; /* XXX Maybe we shouldn't fail on mapping this, but just assume * the card is of revision 0? */ if (bus_space_map(iot, iobase+GUS_IOH3_OFFSET, GUS_NPORT3, 0, &ioh3)) panic("%s: can't map io port range 3", self->dv_xname); sc->sc_ioh3 = ioh3; if (bus_space_map(iot, iobase+GUS_IOH4_OFFSET, GUS_NPORT4, 0, &ioh4)) panic("%s: can't map io port range 4", self->dv_xname); sc->sc_ioh4 = ioh4; sc->sc_iobase = iobase; sc->sc_irq = ia->ia_irq; sc->sc_drq = ia->ia_drq; sc->sc_recdrq = ia->ia_drq2; /* * Figure out our board rev, and see if we need to initialize the * mixer */ sc->sc_isa = parent; delay(500); c = bus_space_read_1(iot, ioh3, GUS_BOARD_REV); if (c != 0xff) sc->sc_revision = c; else sc->sc_revision = 0; SELECT_GUS_REG(iot, ioh2, GUSREG_RESET); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 0x00); gusreset(sc, GUS_MAX_VOICES); /* initialize all voices */ gusreset(sc, GUS_MIN_VOICES); /* then set to just the ones we use */ /* * Setup the IRQ and DRQ lines in software, using values from * config file */ m = GUSMASK_LINE_IN|GUSMASK_LINE_OUT; /* disable all */ c = ((unsigned char) gus_irq_map[ia->ia_irq]) | GUSMASK_BOTH_RQ; if (sc->sc_recdrq == sc->sc_drq) d = (unsigned char) (gus_drq_map[sc->sc_drq] | GUSMASK_BOTH_RQ); else d = (unsigned char) (gus_drq_map[sc->sc_drq] | gus_drq_map[sc->sc_recdrq] << 3); /* * Program the IRQ and DMA channels on the GUS. Note that we hardwire * the GUS to only use one IRQ channel, but we give the user the * option of using two DMA channels (the other one given by the flags * option in the config file). Two DMA channels are needed for full- * duplex operation. * * The order of these operations is very magical. */ disable_intr(); /* XXX needed? */ bus_space_write_1(iot, ioh1, GUS_REG_CONTROL, GUS_REG_IRQCTL); bus_space_write_1(iot, ioh1, GUS_MIX_CONTROL, m); bus_space_write_1(iot, ioh1, GUS_IRQCTL_CONTROL, 0x00); bus_space_write_1(iot, ioh1, 0x0f, 0x00); bus_space_write_1(iot, ioh1, GUS_MIX_CONTROL, m); bus_space_write_1(iot, ioh1, GUS_DMA_CONTROL, d | 0x80); /* magic reset? */ bus_space_write_1(iot, ioh1, GUS_MIX_CONTROL, m | GUSMASK_CONTROL_SEL); bus_space_write_1(iot, ioh1, GUS_IRQ_CONTROL, c); bus_space_write_1(iot, ioh1, GUS_MIX_CONTROL, m); bus_space_write_1(iot, ioh1, GUS_DMA_CONTROL, d); bus_space_write_1(iot, ioh1, GUS_MIX_CONTROL, m | GUSMASK_CONTROL_SEL); bus_space_write_1(iot, ioh1, GUS_IRQ_CONTROL, c); bus_space_write_1(iot, ioh2, GUS_VOICE_SELECT, 0x00); /* enable line in, line out. leave mic disabled. */ bus_space_write_1(iot, ioh1, GUS_MIX_CONTROL, (m | GUSMASK_LATCHES) & ~(GUSMASK_LINE_OUT|GUSMASK_LINE_IN)); bus_space_write_1(iot, ioh2, GUS_VOICE_SELECT, 0x00); enable_intr(); sc->sc_mixcontrol = (m | GUSMASK_LATCHES) & ~(GUSMASK_LINE_OUT|GUSMASK_LINE_IN); /* XXX WILL THIS ALWAYS WORK THE WAY THEY'RE OVERLAYED?! */ sc->sc_codec.sc_isa = sc->sc_dev.dv_parent; if (sc->sc_revision >= 5 && sc->sc_revision <= 9) { sc->sc_flags |= GUS_MIXER_INSTALLED; gus_init_ics2101(sc); } if (sc->sc_revision < 0xa || !gus_init_cs4231(sc)) { /* Not using the CS4231, so create our DMA maps. */ if (sc->sc_drq != -1) { if (isa_dmamap_create(sc->sc_isa, sc->sc_drq, MAX_ISADMA, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) { printf("%s: can't create map for drq %d\n", sc->sc_dev.dv_xname, sc->sc_drq); return; } } if (sc->sc_recdrq != -1 && sc->sc_recdrq != sc->sc_drq) { if (isa_dmamap_create(sc->sc_isa, sc->sc_recdrq, MAX_ISADMA, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) { printf("%s: can't create map for drq %d\n", sc->sc_dev.dv_xname, sc->sc_recdrq); return; } } } SELECT_GUS_REG(iot, ioh2, GUSREG_RESET); /* * Check to see how much memory we have on this card; see if any * "mirroring" occurs. We're assuming at least 256K already exists * on the card; otherwise the initial probe would have failed */ guspoke(iot, ioh2, 0L, 0x00); for(i = 1; i < 1024; i++) { u_long loc; /* * See if we've run into mirroring yet */ if (guspeek(iot, ioh2, 0L) != 0) break; loc = i << 10; guspoke(iot, ioh2, loc, 0xaa); if (guspeek(iot, ioh2, loc) != 0xaa) break; } sc->sc_dsize = i; sprintf(gus_device.version, "3.%d", sc->sc_revision); printf("\n sc_revision, sc->sc_dsize); if (HAS_MIXER(sc)) printf("ICS2101 mixer, "); if (HAS_CODEC(sc)) printf("%s codec/mixer, ", sc->sc_codec.chip_name); if (sc->sc_recdrq == sc->sc_drq) { printf("half-duplex"); } else { printf("full-duplex, record drq %d", sc->sc_recdrq); } printf(">\n"); /* * Setup a default interrupt handler */ /* XXX we shouldn't have to use splgus == splclock, nor should * we use IPL_CLOCK. */ sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, IPL_AUDIO, gusintr, sc /* sc->sc_gusdsp */, sc->sc_dev.dv_xname); /* * Set some default values * XXX others start with 8kHz mono mulaw */ sc->sc_irate = sc->sc_orate = 44100; sc->sc_encoding = AUDIO_ENCODING_SLINEAR_LE; sc->sc_precision = 16; sc->sc_voc[GUS_VOICE_LEFT].voccntl |= GUSMASK_DATA_SIZE16; sc->sc_voc[GUS_VOICE_RIGHT].voccntl |= GUSMASK_DATA_SIZE16; sc->sc_channels = 1; sc->sc_ogain = 340; gus_commit_settings(sc); /* * We always put the left channel full left & right channel * full right. * For mono playback, we set up both voices playing the same buffer. */ bus_space_write_1(iot, ioh2, GUS_VOICE_SELECT, (unsigned char) GUS_VOICE_LEFT); SELECT_GUS_REG(iot, ioh2, GUSREG_PAN_POS); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, GUS_PAN_FULL_LEFT); bus_space_write_1(iot, ioh2, GUS_VOICE_SELECT, (unsigned char) GUS_VOICE_RIGHT); SELECT_GUS_REG(iot, ioh2, GUSREG_PAN_POS); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, GUS_PAN_FULL_RIGHT); /* * Attach to the generic audio layer */ audio_attach_mi(&gus_hw_if, 0, HAS_CODEC(sc) ? (void *)&sc->sc_codec : (void *)sc, &sc->sc_dev); } int gusopen(addr, flags) void *addr; int flags; { struct gus_softc *sc = addr; DPRINTF(("gusopen() called\n")); if (sc->sc_flags & GUS_OPEN) return EBUSY; /* * Some initialization */ sc->sc_flags |= GUS_OPEN; sc->sc_dmabuf = 0; sc->sc_playbuf = -1; sc->sc_bufcnt = 0; sc->sc_voc[GUS_VOICE_LEFT].start_addr = GUS_MEM_OFFSET - 1; sc->sc_voc[GUS_VOICE_LEFT].current_addr = GUS_MEM_OFFSET; if (HAS_CODEC(sc)) { ad1848_open(&sc->sc_codec, flags); sc->sc_codec.mute[AD1848_AUX1_CHANNEL] = 0; ad1848_mute_channel(&sc->sc_codec, AD1848_AUX1_CHANNEL, 0); /* turn on DAC output */ if (flags & FREAD) { sc->sc_codec.mute[AD1848_MONO_CHANNEL] = 0; ad1848_mute_channel(&sc->sc_codec, AD1848_MONO_CHANNEL, 0); } } else if (flags & FREAD) { /* enable/unmute the microphone */ if (HAS_MIXER(sc)) { gusics_mic_mute(&sc->sc_mixer, 0); } else gus_mic_ctl(sc, SPKR_ON); } if (sc->sc_nbufs == 0) gus_round_blocksize(sc, GUS_BUFFER_MULTIPLE); /* default blksiz */ return 0; } int gusmaxopen(addr, flags) void *addr; int flags; { struct ad1848_softc *ac = addr; return gusopen(ac->parent, flags); } STATIC void gus_deinterleave(sc, buf, size) struct gus_softc *sc; void *buf; int size; { /* deinterleave the stereo data. We can use sc->sc_deintr_buf for scratch space. */ int i; if (size > sc->sc_blocksize) { printf("gus: deinterleave %d > %d\n", size, sc->sc_blocksize); return; } else if (size < sc->sc_blocksize) { DPRINTF(("gus: deinterleave %d < %d\n", size, sc->sc_blocksize)); } /* * size is in bytes. */ if (sc->sc_precision == 16) { u_short *dei = sc->sc_deintr_buf; u_short *sbuf = buf; size >>= 1; /* bytecnt to shortcnt */ /* copy 2nd of each pair of samples to the staging area, while compacting the 1st of each pair into the original area. */ for (i = 0; i < size/2-1; i++) { dei[i] = sbuf[i*2+1]; sbuf[i+1] = sbuf[i*2+2]; } /* * this has copied one less sample than half of the * buffer. The first sample of the 1st stream was * already in place and didn't need copying. * Therefore, we've moved all of the 1st stream's * samples into place. We have one sample from 2nd * stream in the last slot of original area, not * copied to the staging area (But we don't need to!). * Copy the remainder of the original stream into place. */ bcopy(dei, &sbuf[size/2], i * sizeof(short)); } else { u_char *dei = sc->sc_deintr_buf; u_char *sbuf = buf; for (i = 0; i < size/2-1; i++) { dei[i] = sbuf[i*2+1]; sbuf[i+1] = sbuf[i*2+2]; } bcopy(dei, &sbuf[size/2], i); } } /* * Actually output a buffer to the DSP chip */ int gusmax_dma_output(addr, buf, size, intr, arg) void * addr; void *buf; int size; void (*intr) __P((void *)); void *arg; { struct ad1848_softc *ac = addr; return gus_dma_output(ac->parent, buf, size, intr, arg); } /* * called at splgus() from interrupt handler. */ void stereo_dmaintr(arg) void *arg; { struct gus_softc *sc = arg; struct stereo_dma_intr *sa = &sc->sc_stereo; DMAPRINTF(("stereo_dmaintr")); /* * Put other half in its place, then call the real interrupt routine :) */ sc->sc_dmaoutintr = sa->intr; sc->sc_outarg = sa->arg; #ifdef GUSPLAYDEBUG if (gusstats) { microtime(&dmarecords[dmarecord_index].tv); dmarecords[dmarecord_index].gusaddr = sa->dmabuf; dmarecords[dmarecord_index].bsdaddr = sa->buffer; dmarecords[dmarecord_index].count = sa->size; dmarecords[dmarecord_index].channel = 1; dmarecords[dmarecord_index].direction = 1; dmarecord_index = ++dmarecord_index % NDMARECS; } #endif gusdmaout(sc, sa->flags, sa->dmabuf, (caddr_t) sa->buffer, sa->size); sa->flags = 0; sa->dmabuf = 0; sa->buffer = 0; sa->size = 0; sa->intr = 0; sa->arg = 0; } /* * Start up DMA output to the card. * Called at splgus/splaudio already, either from intr handler or from * generic audio code. */ int gus_dma_output(addr, buf, size, intr, arg) void * addr; void *buf; int size; void (*intr) __P((void *)); void *arg; { struct gus_softc *sc = addr; u_char *buffer = buf; u_long boarddma; int flags; DMAPRINTF(("gus_dma_output %d @ %p\n", size, buf)); if (size != sc->sc_blocksize) { DPRINTF(("gus_dma_output reqsize %d not sc_blocksize %d\n", size, sc->sc_blocksize)); return EINVAL; } flags = GUSMASK_DMA_WRITE; if (sc->sc_precision == 16) flags |= GUSMASK_DMA_DATA_SIZE; if (sc->sc_encoding == AUDIO_ENCODING_ULAW || sc->sc_encoding == AUDIO_ENCODING_ALAW || sc->sc_encoding == AUDIO_ENCODING_ULINEAR_BE || sc->sc_encoding == AUDIO_ENCODING_ULINEAR_LE) flags |= GUSMASK_DMA_INVBIT; if (sc->sc_channels == 2) { if (sc->sc_precision == 16) { if (size & 3) { DPRINTF(("gus_dma_output: unpaired 16bit samples")); size &= 3; } } else if (size & 1) { DPRINTF(("gus_dma_output: unpaired samples")); size &= 1; } if (size == 0) return 0; gus_deinterleave(sc, (void *)buffer, size); size >>= 1; boarddma = size * sc->sc_dmabuf + GUS_MEM_OFFSET; sc->sc_stereo.intr = intr; sc->sc_stereo.arg = arg; sc->sc_stereo.size = size; sc->sc_stereo.dmabuf = boarddma + GUS_LEFT_RIGHT_OFFSET; sc->sc_stereo.buffer = buffer + size; sc->sc_stereo.flags = flags; if (gus_dostereo) { intr = stereo_dmaintr; arg = sc; } } else boarddma = size * sc->sc_dmabuf + GUS_MEM_OFFSET; sc->sc_flags |= GUS_LOCKED; sc->sc_dmaoutintr = intr; sc->sc_outarg = arg; #ifdef GUSPLAYDEBUG if (gusstats) { microtime(&dmarecords[dmarecord_index].tv); dmarecords[dmarecord_index].gusaddr = boarddma; dmarecords[dmarecord_index].bsdaddr = buffer; dmarecords[dmarecord_index].count = size; dmarecords[dmarecord_index].channel = 0; dmarecords[dmarecord_index].direction = 1; dmarecord_index = ++dmarecord_index % NDMARECS; } #endif gusdmaout(sc, flags, boarddma, (caddr_t) buffer, size); return 0; } void gusmax_close(addr) void *addr; { struct ad1848_softc *ac = addr; struct gus_softc *sc = ac->parent; #if 0 ac->mute[AD1848_AUX1_CHANNEL] = MUTE_ALL; ad1848_mute_channel(ac, MUTE_ALL); /* turn off DAC output */ #endif ad1848_close(ac); gusclose(sc); } /* * Close out device stuff. Called at splgus() from generic audio layer. */ void gusclose(addr) void *addr; { struct gus_softc *sc = addr; DPRINTF(("gus_close: sc=%p\n", sc)); /* if (sc->sc_flags & GUS_DMAOUT_ACTIVE) */ { gus_halt_out_dma(sc); } /* if (sc->sc_flags & GUS_DMAIN_ACTIVE) */ { gus_halt_in_dma(sc); } sc->sc_flags &= ~(GUS_OPEN|GUS_LOCKED|GUS_DMAOUT_ACTIVE|GUS_DMAIN_ACTIVE); if (sc->sc_deintr_buf) { FREE(sc->sc_deintr_buf, M_DEVBUF); sc->sc_deintr_buf = NULL; } /* turn off speaker, etc. */ /* make sure the voices shut up: */ gus_stop_voice(sc, GUS_VOICE_LEFT, 1); gus_stop_voice(sc, GUS_VOICE_RIGHT, 0); } /* * Service interrupts. Farm them off to helper routines if we are using the * GUS for simple playback/record */ #ifdef DIAGNOSTIC int gusintrcnt; int gusdmaintrcnt; int gusvocintrcnt; #endif int gusintr(arg) void *arg; { struct gus_softc *sc = arg; bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh1 = sc->sc_ioh1; bus_space_handle_t ioh2 = sc->sc_ioh2; unsigned char intr; int retval = 0; DPRINTF(("gusintr\n")); #ifdef DIAGNOSTIC gusintrcnt++; #endif if (HAS_CODEC(sc)) retval = ad1848_intr(&sc->sc_codec); if ((intr = bus_space_read_1(iot, ioh1, GUS_IRQ_STATUS)) & GUSMASK_IRQ_DMATC) { DMAPRINTF(("gusintr dma flags=%x\n", sc->sc_flags)); #ifdef DIAGNOSTIC gusdmaintrcnt++; #endif retval += gus_dmaout_intr(sc); if (sc->sc_flags & GUS_DMAIN_ACTIVE) { SELECT_GUS_REG(iot, ioh2, GUSREG_SAMPLE_CONTROL); intr = bus_space_read_1(iot, ioh2, GUS_DATA_HIGH); if (intr & GUSMASK_SAMPLE_DMATC) { retval += gus_dmain_intr(sc); } } } if (intr & (GUSMASK_IRQ_VOICE | GUSMASK_IRQ_VOLUME)) { DMAPRINTF(("gusintr voice flags=%x\n", sc->sc_flags)); #ifdef DIAGNOSTIC gusvocintrcnt++; #endif retval += gus_voice_intr(sc); } if (retval) return 1; return retval; } int gus_bufcnt[GUS_MEM_FOR_BUFFERS / GUS_BUFFER_MULTIPLE]; int gus_restart; /* how many restarts? */ int gus_stops; /* how many times did voice stop? */ int gus_falsestops; /* stopped but not done? */ int gus_continues; struct playcont { struct timeval tv; u_int playbuf; u_int dmabuf; u_char bufcnt; u_char vaction; u_char voccntl; u_char volcntl; u_long curaddr; u_long endaddr; } playstats[NDMARECS]; int playcntr; STATIC void gus_dmaout_timeout(arg) void *arg; { struct gus_softc *sc = arg; bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh2 = sc->sc_ioh2; int s; printf("%s: dmaout timeout\n", sc->sc_dev.dv_xname); /* * Stop any DMA. */ s = splgus(); SELECT_GUS_REG(iot, ioh2, GUSREG_DMA_CONTROL); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 0); #if 0 /* XXX we will dmadone below? */ isa_dmaabort(sc->sc_dev.dv_parent, sc->sc_drq); #endif gus_dmaout_dointr(sc); splx(s); } /* * Service DMA interrupts. This routine will only get called if we're doing * a DMA transfer for playback/record requests from the audio layer. */ STATIC int gus_dmaout_intr(sc) struct gus_softc *sc; { bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh2 = sc->sc_ioh2; /* * If we got a DMA transfer complete from the GUS DRAM, then deal * with it. */ SELECT_GUS_REG(iot, ioh2, GUSREG_DMA_CONTROL); if (bus_space_read_1(iot, ioh2, GUS_DATA_HIGH) & GUSMASK_DMA_IRQPEND) { untimeout(gus_dmaout_timeout, sc); gus_dmaout_dointr(sc); return 1; } return 0; } STATIC void gus_dmaout_dointr(sc) struct gus_softc *sc; { bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh2 = sc->sc_ioh2; /* sc->sc_dmaoutcnt - 1 because DMA controller counts from zero?. */ isa_dmadone(sc->sc_dev.dv_parent, sc->sc_drq); sc->sc_flags &= ~GUS_DMAOUT_ACTIVE; /* pending DMA is done */ DMAPRINTF(("gus_dmaout_dointr %d @ %p\n", sc->sc_dmaoutcnt, sc->sc_dmaoutaddr)); /* * to prevent clicking, we need to copy last sample * from last buffer to scratch area just before beginning of * buffer. However, if we're doing formats that are converted by * the card during the DMA process, we need to pick up the converted * byte rather than the one we have in memory. */ if (sc->sc_dmabuf == sc->sc_nbufs - 1) { int i; switch (sc->sc_encoding) { case AUDIO_ENCODING_SLINEAR_LE: case AUDIO_ENCODING_SLINEAR_BE: if (sc->sc_precision == 8) goto byte; /* we have the native format */ for (i = 1; i <= 2; i++) guspoke(iot, ioh2, sc->sc_gusaddr - (sc->sc_nbufs - 1) * sc->sc_chanblocksize - i, sc->sc_dmaoutaddr[sc->sc_dmaoutcnt-i]); break; case AUDIO_ENCODING_ULINEAR_LE: case AUDIO_ENCODING_ULINEAR_BE: guspoke(iot, ioh2, sc->sc_gusaddr - (sc->sc_nbufs - 1) * sc->sc_chanblocksize - 2, guspeek(iot, ioh2, sc->sc_gusaddr + sc->sc_chanblocksize - 2)); case AUDIO_ENCODING_ALAW: case AUDIO_ENCODING_ULAW: byte: /* we need to fetch the translated byte, then stuff it. */ guspoke(iot, ioh2, sc->sc_gusaddr - (sc->sc_nbufs - 1) * sc->sc_chanblocksize - 1, guspeek(iot, ioh2, sc->sc_gusaddr + sc->sc_chanblocksize - 1)); break; } } /* * If this is the first half of stereo, "ignore" this one * and copy out the second half. */ if (sc->sc_dmaoutintr == stereo_dmaintr) { (*sc->sc_dmaoutintr)(sc->sc_outarg); return; } /* * If the voice is stopped, then start it. Reset the loop * and roll bits. Call the audio layer routine, since if * we're starting a stopped voice, that means that the next * buffer can be filled */ sc->sc_flags &= ~GUS_LOCKED; if (sc->sc_voc[GUS_VOICE_LEFT].voccntl & GUSMASK_VOICE_STOPPED) { if (sc->sc_flags & GUS_PLAYING) { printf("%s: playing yet stopped?\n", sc->sc_dev.dv_xname); } sc->sc_bufcnt++; /* another yet to be played */ gus_start_playing(sc, sc->sc_dmabuf); gus_restart++; } else { /* * set the sound action based on which buffer we * just transferred. If we just transferred buffer 0 * we want the sound to loop when it gets to the nth * buffer; if we just transferred * any other buffer, we want the sound to roll over * at least one more time. The voice interrupt * handlers will take care of accounting & * setting control bits if it's not caught up to us * yet. */ if (++sc->sc_bufcnt == 2) { /* * XXX * If we're too slow in reaction here, * the voice could be just approaching the * end of its run. It should be set to stop, * so these adjustments might not DTRT. */ if (sc->sc_dmabuf == 0 && sc->sc_playbuf == sc->sc_nbufs - 1) { /* player is just at the last buf, we're at the first. Turn on looping, turn off rolling. */ sc->sc_voc[GUS_VOICE_LEFT].voccntl |= GUSMASK_LOOP_ENABLE; sc->sc_voc[GUS_VOICE_LEFT].volcntl &= ~GUSMASK_VOICE_ROLL; playstats[playcntr].vaction = 3; } else { /* player is at previous buf: turn on rolling, turn off looping */ sc->sc_voc[GUS_VOICE_LEFT].voccntl &= ~GUSMASK_LOOP_ENABLE; sc->sc_voc[GUS_VOICE_LEFT].volcntl |= GUSMASK_VOICE_ROLL; playstats[playcntr].vaction = 4; } #ifdef GUSPLAYDEBUG if (gusstats) { microtime(&playstats[playcntr].tv); playstats[playcntr].endaddr = sc->sc_voc[GUS_VOICE_LEFT].end_addr; playstats[playcntr].voccntl = sc->sc_voc[GUS_VOICE_LEFT].voccntl; playstats[playcntr].volcntl = sc->sc_voc[GUS_VOICE_LEFT].volcntl; playstats[playcntr].playbuf = sc->sc_playbuf; playstats[playcntr].dmabuf = sc->sc_dmabuf; playstats[playcntr].bufcnt = sc->sc_bufcnt; playstats[playcntr].curaddr = gus_get_curaddr(sc, GUS_VOICE_LEFT); playcntr = ++playcntr % NDMARECS; } #endif bus_space_write_1(iot, ioh2, GUS_VOICE_SELECT, GUS_VOICE_LEFT); SELECT_GUS_REG(iot, ioh2, GUSREG_VOICE_CNTL); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, sc->sc_voc[GUS_VOICE_LEFT].voccntl); SELECT_GUS_REG(iot, ioh2, GUSREG_VOLUME_CONTROL); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, sc->sc_voc[GUS_VOICE_LEFT].volcntl); } } gus_bufcnt[sc->sc_bufcnt-1]++; /* * flip to the next DMA buffer */ sc->sc_dmabuf = ++sc->sc_dmabuf % sc->sc_nbufs; /* * See comments below about DMA admission control strategy. * We can call the upper level here if we have an * idle buffer (not currently playing) to DMA into. */ if (sc->sc_dmaoutintr && sc->sc_bufcnt < sc->sc_nbufs) { /* clean out to prevent double calls */ void (*pfunc) __P((void *)) = sc->sc_dmaoutintr; void *arg = sc->sc_outarg; sc->sc_outarg = 0; sc->sc_dmaoutintr = 0; (*pfunc)(arg); } } /* * Service voice interrupts */ STATIC int gus_voice_intr(sc) struct gus_softc *sc; { bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh2 = sc->sc_ioh2; int ignore = 0, voice, rval = 0; unsigned char intr, status; /* * The point of this may not be obvious at first. A voice can * interrupt more than once; according to the GUS SDK we are supposed * to ignore multiple interrupts for the same voice. */ while(1) { SELECT_GUS_REG(iot, ioh2, GUSREG_IRQ_STATUS); intr = bus_space_read_1(iot, ioh2, GUS_DATA_HIGH); if ((intr & (GUSMASK_WIRQ_VOLUME | GUSMASK_WIRQ_VOICE)) == (GUSMASK_WIRQ_VOLUME | GUSMASK_WIRQ_VOICE)) /* * No more interrupts, time to return */ return rval; if ((intr & GUSMASK_WIRQ_VOICE) == 0) { /* * We've got a voice interrupt. Ignore previous * interrupts by the same voice. */ rval = 1; voice = intr & GUSMASK_WIRQ_VOICEMASK; if ((1 << voice) & ignore) break; ignore |= 1 << voice; /* * If the voice is stopped, then force it to stop * (this stops it from continuously generating IRQs) */ SELECT_GUS_REG(iot, ioh2, GUSREG_VOICE_CNTL+0x80); status = bus_space_read_1(iot, ioh2, GUS_DATA_HIGH); if (status & GUSMASK_VOICE_STOPPED) { if (voice != GUS_VOICE_LEFT) { DMAPRINTF(("%s: spurious voice %d stop?\n", sc->sc_dev.dv_xname, voice)); gus_stop_voice(sc, voice, 0); continue; } gus_stop_voice(sc, voice, 1); /* also kill right voice */ gus_stop_voice(sc, GUS_VOICE_RIGHT, 0); sc->sc_bufcnt--; /* it finished a buffer */ if (sc->sc_bufcnt > 0) { /* * probably a race to get here: the voice * stopped while the DMA code was just trying to * get the next buffer in place. * Start the voice again. */ printf("%s: stopped voice not drained? (%x)\n", sc->sc_dev.dv_xname, sc->sc_bufcnt); gus_falsestops++; sc->sc_playbuf = ++sc->sc_playbuf % sc->sc_nbufs; gus_start_playing(sc, sc->sc_playbuf); } else if (sc->sc_bufcnt < 0) { #ifdef DDB printf("%s: negative bufcnt in stopped voice\n", sc->sc_dev.dv_xname); Debugger(); #else panic("%s: negative bufcnt in stopped voice", sc->sc_dev.dv_xname); #endif } else { sc->sc_playbuf = -1; /* none are active */ gus_stops++; } /* fall through to callback and admit another buffer.... */ } else if (sc->sc_bufcnt != 0) { /* * This should always be taken if the voice * is not stopped. */ gus_continues++; if (gus_continue_playing(sc, voice)) { /* * we shouldn't have continued--active DMA * is in the way in the ring, for * some as-yet undebugged reason. */ gus_stop_voice(sc, GUS_VOICE_LEFT, 1); /* also kill right voice */ gus_stop_voice(sc, GUS_VOICE_RIGHT, 0); sc->sc_playbuf = -1; gus_stops++; } } /* * call the upper level to send on down another * block. We do admission rate control as follows: * * When starting up output (in the first N * blocks), call the upper layer after the DMA is * complete (see above in gus_dmaout_intr()). * * When output is already in progress and we have * no more GUS buffers to use for DMA, the DMA * output routines do not call the upper layer. * Instead, we call the DMA completion routine * here, after the voice interrupts indicating * that it's finished with a buffer. * * However, don't call anything here if the DMA * output flag is set, (which shouldn't happen) * because we'll squish somebody else's DMA if * that's the case. When DMA is done, it will * call back if there is a spare buffer. */ if (sc->sc_dmaoutintr && !(sc->sc_flags & GUS_LOCKED)) { if (sc->sc_dmaoutintr == stereo_dmaintr) printf("gusdmaout botch?\n"); else { /* clean out to avoid double calls */ void (*pfunc) __P((void *)) = sc->sc_dmaoutintr; void *arg = sc->sc_outarg; sc->sc_outarg = 0; sc->sc_dmaoutintr = 0; (*pfunc)(arg); } } } /* * Ignore other interrupts for now */ } return 0; } STATIC void gus_start_playing(sc, bufno) struct gus_softc *sc; int bufno; { bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh2 = sc->sc_ioh2; /* * Start the voices playing, with buffer BUFNO. */ /* * Loop or roll if we have buffers ready. */ if (sc->sc_bufcnt == 1) { sc->sc_voc[GUS_VOICE_LEFT].voccntl &= ~(GUSMASK_LOOP_ENABLE); sc->sc_voc[GUS_VOICE_LEFT].volcntl &= ~(GUSMASK_VOICE_ROLL); } else { if (bufno == sc->sc_nbufs - 1) { sc->sc_voc[GUS_VOICE_LEFT].voccntl |= GUSMASK_LOOP_ENABLE; sc->sc_voc[GUS_VOICE_LEFT].volcntl &= ~(GUSMASK_VOICE_ROLL); } else { sc->sc_voc[GUS_VOICE_LEFT].voccntl &= ~GUSMASK_LOOP_ENABLE; sc->sc_voc[GUS_VOICE_LEFT].volcntl |= GUSMASK_VOICE_ROLL; } } bus_space_write_1(iot, ioh2, GUS_VOICE_SELECT, GUS_VOICE_LEFT); SELECT_GUS_REG(iot, ioh2, GUSREG_VOICE_CNTL); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, sc->sc_voc[GUS_VOICE_LEFT].voccntl); SELECT_GUS_REG(iot, ioh2, GUSREG_VOLUME_CONTROL); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, sc->sc_voc[GUS_VOICE_LEFT].volcntl); sc->sc_voc[GUS_VOICE_LEFT].current_addr = GUS_MEM_OFFSET + sc->sc_chanblocksize * bufno; sc->sc_voc[GUS_VOICE_LEFT].end_addr = sc->sc_voc[GUS_VOICE_LEFT].current_addr + sc->sc_chanblocksize - 1; sc->sc_voc[GUS_VOICE_RIGHT].current_addr = sc->sc_voc[GUS_VOICE_LEFT].current_addr + (gus_dostereo && sc->sc_channels == 2 ? GUS_LEFT_RIGHT_OFFSET : 0); /* * set up right channel to just loop forever, no interrupts, * starting at the buffer we just filled. We'll feed it data * at the same time as left channel. */ sc->sc_voc[GUS_VOICE_RIGHT].voccntl |= GUSMASK_LOOP_ENABLE; sc->sc_voc[GUS_VOICE_RIGHT].volcntl &= ~(GUSMASK_VOICE_ROLL); #ifdef GUSPLAYDEBUG if (gusstats) { microtime(&playstats[playcntr].tv); playstats[playcntr].curaddr = sc->sc_voc[GUS_VOICE_LEFT].current_addr; playstats[playcntr].voccntl = sc->sc_voc[GUS_VOICE_LEFT].voccntl; playstats[playcntr].volcntl = sc->sc_voc[GUS_VOICE_LEFT].volcntl; playstats[playcntr].endaddr = sc->sc_voc[GUS_VOICE_LEFT].end_addr; playstats[playcntr].playbuf = bufno; playstats[playcntr].dmabuf = sc->sc_dmabuf; playstats[playcntr].bufcnt = sc->sc_bufcnt; playstats[playcntr].vaction = 5; playcntr = ++playcntr % NDMARECS; } #endif bus_space_write_1(iot, ioh2, GUS_VOICE_SELECT, GUS_VOICE_RIGHT); SELECT_GUS_REG(iot, ioh2, GUSREG_VOICE_CNTL); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, sc->sc_voc[GUS_VOICE_RIGHT].voccntl); SELECT_GUS_REG(iot, ioh2, GUSREG_VOLUME_CONTROL); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, sc->sc_voc[GUS_VOICE_RIGHT].volcntl); gus_start_voice(sc, GUS_VOICE_RIGHT, 0); gus_start_voice(sc, GUS_VOICE_LEFT, 1); if (sc->sc_playbuf == -1) /* mark start of playing */ sc->sc_playbuf = bufno; } STATIC int gus_continue_playing(sc, voice) struct gus_softc *sc; int voice; { bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh2 = sc->sc_ioh2; /* * stop this voice from interrupting while we work. */ SELECT_GUS_REG(iot, ioh2, GUSREG_VOICE_CNTL); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, sc->sc_voc[voice].voccntl & ~(GUSMASK_VOICE_IRQ)); /* * update playbuf to point to the buffer the hardware just started * playing */ sc->sc_playbuf = ++sc->sc_playbuf % sc->sc_nbufs; /* * account for buffer just finished */ if (--sc->sc_bufcnt == 0) { DPRINTF(("gus: bufcnt 0 on continuing voice?\n")); } if (sc->sc_playbuf == sc->sc_dmabuf && (sc->sc_flags & GUS_LOCKED)) { printf("%s: continue into active dmabuf?\n", sc->sc_dev.dv_xname); return 1; } /* * Select the end of the buffer based on the currently active * buffer, [plus extra contiguous buffers (if ready)]. */ /* * set endpoint at end of buffer we just started playing. * * The total gets -1 because end addrs are one less than you might * think (the end_addr is the address of the last sample to play) */ gus_set_endaddr(sc, voice, GUS_MEM_OFFSET + sc->sc_chanblocksize * (sc->sc_playbuf + 1) - 1); if (sc->sc_bufcnt < 2) { /* * Clear out the loop and roll flags, and rotate the currently * playing buffer. That way, if we don't manage to get more * data before this buffer finishes, we'll just stop. */ sc->sc_voc[voice].voccntl &= ~GUSMASK_LOOP_ENABLE; sc->sc_voc[voice].volcntl &= ~GUSMASK_VOICE_ROLL; playstats[playcntr].vaction = 0; } else { /* * We have some buffers to play. set LOOP if we're on the * last buffer in the ring, otherwise set ROLL. */ if (sc->sc_playbuf == sc->sc_nbufs - 1) { sc->sc_voc[voice].voccntl |= GUSMASK_LOOP_ENABLE; sc->sc_voc[voice].volcntl &= ~GUSMASK_VOICE_ROLL; playstats[playcntr].vaction = 1; } else { sc->sc_voc[voice].voccntl &= ~GUSMASK_LOOP_ENABLE; sc->sc_voc[voice].volcntl |= GUSMASK_VOICE_ROLL; playstats[playcntr].vaction = 2; } } #ifdef GUSPLAYDEBUG if (gusstats) { microtime(&playstats[playcntr].tv); playstats[playcntr].curaddr = gus_get_curaddr(sc, voice); playstats[playcntr].voccntl = sc->sc_voc[voice].voccntl; playstats[playcntr].volcntl = sc->sc_voc[voice].volcntl; playstats[playcntr].endaddr = sc->sc_voc[voice].end_addr; playstats[playcntr].playbuf = sc->sc_playbuf; playstats[playcntr].dmabuf = sc->sc_dmabuf; playstats[playcntr].bufcnt = sc->sc_bufcnt; playcntr = ++playcntr % NDMARECS; } #endif /* * (re-)set voice parameters. This will reenable interrupts from this * voice. */ SELECT_GUS_REG(iot, ioh2, GUSREG_VOICE_CNTL); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, sc->sc_voc[voice].voccntl); SELECT_GUS_REG(iot, ioh2, GUSREG_VOLUME_CONTROL); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, sc->sc_voc[voice].volcntl); return 0; } /* * Send/receive data into GUS's DRAM using DMA. Called at splgus() */ STATIC void gusdmaout(sc, flags, gusaddr, buffaddr, length) struct gus_softc *sc; int flags, length; u_long gusaddr; caddr_t buffaddr; { unsigned char c = (unsigned char) flags; bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh2 = sc->sc_ioh2; DMAPRINTF(("gusdmaout flags=%x scflags=%x\n", flags, sc->sc_flags)); sc->sc_gusaddr = gusaddr; /* * If we're using a 16 bit DMA channel, we have to jump through some * extra hoops; this includes translating the DRAM address a bit */ if (sc->sc_drq >= 4) { c |= GUSMASK_DMA_WIDTH; gusaddr = convert_to_16bit(gusaddr); } /* * Add flag bits that we always set - fast DMA, enable IRQ */ c |= GUSMASK_DMA_ENABLE | GUSMASK_DMA_R0 | GUSMASK_DMA_IRQ; /* * Make sure the GUS _isn't_ setup for DMA */ SELECT_GUS_REG(iot, ioh2, GUSREG_DMA_CONTROL); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 0); /* * Tell the PC DMA controller to start doing DMA */ sc->sc_dmaoutaddr = (u_char *) buffaddr; sc->sc_dmaoutcnt = length; isa_dmastart(sc->sc_dev.dv_parent, sc->sc_drq, buffaddr, length, NULL, DMAMODE_WRITE, BUS_DMA_NOWAIT); /* * Set up DMA address - use the upper 16 bits ONLY */ sc->sc_flags |= GUS_DMAOUT_ACTIVE; SELECT_GUS_REG(iot, ioh2, GUSREG_DMA_START); bus_space_write_2(iot, ioh2, GUS_DATA_LOW, (int) (gusaddr >> 4)); /* * Tell the GUS to start doing DMA */ SELECT_GUS_REG(iot, ioh2, GUSREG_DMA_CONTROL); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, c); /* * XXX If we don't finish in one second, give up... */ untimeout(gus_dmaout_timeout, sc); /* flush old one, if there is one */ timeout(gus_dmaout_timeout, sc, hz); } /* * Start a voice playing on the GUS. Called from interrupt handler at * splgus(). */ STATIC void gus_start_voice(sc, voice, intrs) struct gus_softc *sc; int voice; int intrs; { bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh2 = sc->sc_ioh2; u_long start; u_long current; u_long end; /* * Pick all the values for the voice out of the gus_voice struct * and use those to program the voice */ start = sc->sc_voc[voice].start_addr; current = sc->sc_voc[voice].current_addr; end = sc->sc_voc[voice].end_addr; /* * If we're using 16 bit data, mangle the addresses a bit */ if (sc->sc_voc[voice].voccntl & GUSMASK_DATA_SIZE16) { /* -1 on start so that we get onto sample boundary--other code always sets it for 1-byte rollover protection */ start = convert_to_16bit(start-1); current = convert_to_16bit(current); end = convert_to_16bit(end); } /* * Select the voice we want to use, and program the data addresses */ bus_space_write_1(iot, ioh2, GUS_VOICE_SELECT, (unsigned char) voice); SELECT_GUS_REG(iot, ioh2, GUSREG_START_ADDR_HIGH); bus_space_write_2(iot, ioh2, GUS_DATA_LOW, ADDR_HIGH(start)); SELECT_GUS_REG(iot, ioh2, GUSREG_START_ADDR_LOW); bus_space_write_2(iot, ioh2, GUS_DATA_LOW, ADDR_LOW(start)); SELECT_GUS_REG(iot, ioh2, GUSREG_CUR_ADDR_HIGH); bus_space_write_2(iot, ioh2, GUS_DATA_LOW, ADDR_HIGH(current)); SELECT_GUS_REG(iot, ioh2, GUSREG_CUR_ADDR_LOW); bus_space_write_2(iot, ioh2, GUS_DATA_LOW, ADDR_LOW(current)); SELECT_GUS_REG(iot, ioh2, GUSREG_END_ADDR_HIGH); bus_space_write_2(iot, ioh2, GUS_DATA_LOW, ADDR_HIGH(end)); SELECT_GUS_REG(iot, ioh2, GUSREG_END_ADDR_LOW); bus_space_write_2(iot, ioh2, GUS_DATA_LOW, ADDR_LOW(end)); /* * (maybe) enable interrupts, disable voice stopping */ if (intrs) { sc->sc_flags |= GUS_PLAYING; /* playing is about to start */ sc->sc_voc[voice].voccntl |= GUSMASK_VOICE_IRQ; DMAPRINTF(("gus voice playing=%x\n", sc->sc_flags)); } else sc->sc_voc[voice].voccntl &= ~GUSMASK_VOICE_IRQ; sc->sc_voc[voice].voccntl &= ~(GUSMASK_VOICE_STOPPED | GUSMASK_STOP_VOICE); /* * Tell the GUS about it. Note that we're doing volume ramping here * from 0 up to the set volume to help reduce clicks. */ SELECT_GUS_REG(iot, ioh2, GUSREG_START_VOLUME); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 0x00); SELECT_GUS_REG(iot, ioh2, GUSREG_END_VOLUME); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, sc->sc_voc[voice].current_volume >> 4); SELECT_GUS_REG(iot, ioh2, GUSREG_CUR_VOLUME); bus_space_write_2(iot, ioh2, GUS_DATA_LOW, 0x00); SELECT_GUS_REG(iot, ioh2, GUSREG_VOLUME_RATE); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 63); SELECT_GUS_REG(iot, ioh2, GUSREG_VOICE_CNTL); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, sc->sc_voc[voice].voccntl); SELECT_GUS_REG(iot, ioh2, GUSREG_VOLUME_CONTROL); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 0x00); delay(50); SELECT_GUS_REG(iot, ioh2, GUSREG_VOICE_CNTL); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, sc->sc_voc[voice].voccntl); SELECT_GUS_REG(iot, ioh2, GUSREG_VOLUME_CONTROL); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 0x00); } /* * Stop a given voice. called at splgus() */ STATIC void gus_stop_voice(sc, voice, intrs_too) struct gus_softc *sc; int voice; int intrs_too; { bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh2 = sc->sc_ioh2; sc->sc_voc[voice].voccntl |= GUSMASK_VOICE_STOPPED | GUSMASK_STOP_VOICE; if (intrs_too) { sc->sc_voc[voice].voccntl &= ~(GUSMASK_VOICE_IRQ); /* no more DMA to do */ sc->sc_flags &= ~GUS_PLAYING; } DMAPRINTF(("gusintr voice notplaying=%x\n", sc->sc_flags)); guspoke(iot, ioh2, 0L, 0); bus_space_write_1(iot, ioh2, GUS_VOICE_SELECT, (unsigned char) voice); SELECT_GUS_REG(iot, ioh2, GUSREG_CUR_VOLUME); bus_space_write_2(iot, ioh2, GUS_DATA_LOW, 0x0000); SELECT_GUS_REG(iot, ioh2, GUSREG_VOICE_CNTL); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, sc->sc_voc[voice].voccntl); delay(100); SELECT_GUS_REG(iot, ioh2, GUSREG_CUR_VOLUME); bus_space_write_2(iot, ioh2, GUS_DATA_LOW, 0x0000); SELECT_GUS_REG(iot, ioh2, GUSREG_VOICE_CNTL); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, sc->sc_voc[voice].voccntl); SELECT_GUS_REG(iot, ioh2, GUSREG_CUR_ADDR_HIGH); bus_space_write_2(iot, ioh2, GUS_DATA_LOW, 0x0000); SELECT_GUS_REG(iot, ioh2, GUSREG_CUR_ADDR_LOW); bus_space_write_2(iot, ioh2, GUS_DATA_LOW, 0x0000); } /* * Set the volume of a given voice. Called at splgus(). */ STATIC void gus_set_volume(sc, voice, volume) struct gus_softc *sc; int voice, volume; { bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh2 = sc->sc_ioh2; unsigned int gusvol; gusvol = gus_log_volumes[volume < 512 ? volume : 511]; sc->sc_voc[voice].current_volume = gusvol; bus_space_write_1(iot, ioh2, GUS_VOICE_SELECT, (unsigned char) voice); SELECT_GUS_REG(iot, ioh2, GUSREG_START_VOLUME); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, (unsigned char) (gusvol >> 4)); SELECT_GUS_REG(iot, ioh2, GUSREG_END_VOLUME); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, (unsigned char) (gusvol >> 4)); SELECT_GUS_REG(iot, ioh2, GUSREG_CUR_VOLUME); bus_space_write_2(iot, ioh2, GUS_DATA_LOW, gusvol << 4); delay(500); bus_space_write_2(iot, ioh2, GUS_DATA_LOW, gusvol << 4); } /* * Interface to the audio layer. */ int gusmax_set_params(addr, setmode, usemode, p, r) void *addr; int setmode, usemode; struct audio_params *p, *r; { struct ad1848_softc *ac = addr; struct gus_softc *sc = ac->parent; int error; error = ad1848_set_params(ac, setmode, usemode, p, r); if (error) return error; error = gus_set_params(sc, setmode, usemode, p, r); return error; } int gus_set_params(addr, setmode, usemode, p, r) void *addr; int setmode, usemode; struct audio_params *p, *r; { struct gus_softc *sc = addr; int s; switch (p->encoding) { case AUDIO_ENCODING_ULAW: case AUDIO_ENCODING_ALAW: case AUDIO_ENCODING_SLINEAR_LE: case AUDIO_ENCODING_ULINEAR_LE: case AUDIO_ENCODING_SLINEAR_BE: case AUDIO_ENCODING_ULINEAR_BE: break; default: return (EINVAL); } s = splaudio(); if (p->precision == 8) { sc->sc_voc[GUS_VOICE_LEFT].voccntl &= ~GUSMASK_DATA_SIZE16; sc->sc_voc[GUS_VOICE_RIGHT].voccntl &= ~GUSMASK_DATA_SIZE16; } else { sc->sc_voc[GUS_VOICE_LEFT].voccntl |= GUSMASK_DATA_SIZE16; sc->sc_voc[GUS_VOICE_RIGHT].voccntl |= GUSMASK_DATA_SIZE16; } sc->sc_encoding = p->encoding; sc->sc_precision = p->precision; sc->sc_channels = p->channels; splx(s); if (p->sample_rate > gus_max_frequency[sc->sc_voices - GUS_MIN_VOICES]) p->sample_rate = gus_max_frequency[sc->sc_voices - GUS_MIN_VOICES]; if (setmode & AUMODE_RECORD) sc->sc_irate = p->sample_rate; if (setmode & AUMODE_PLAY) sc->sc_orate = p->sample_rate; switch (p->encoding) { case AUDIO_ENCODING_ULAW: p->sw_code = mulaw_to_ulinear8; r->sw_code = ulinear8_to_mulaw; break; case AUDIO_ENCODING_ALAW: p->sw_code = alaw_to_ulinear8; r->sw_code = ulinear8_to_alaw; break; case AUDIO_ENCODING_ULINEAR_BE: case AUDIO_ENCODING_SLINEAR_BE: r->sw_code = p->sw_code = swap_bytes; break; } return 0; } /* * Interface to the audio layer - set the blocksize to the correct number * of units */ int gusmax_round_blocksize(addr, blocksize) void * addr; int blocksize; { struct ad1848_softc *ac = addr; struct gus_softc *sc = ac->parent; /* blocksize = ad1848_round_blocksize(ac, blocksize);*/ return gus_round_blocksize(sc, blocksize); } int gus_round_blocksize(addr, blocksize) void * addr; int blocksize; { struct gus_softc *sc = addr; DPRINTF(("gus_round_blocksize called\n")); if ((sc->sc_encoding == AUDIO_ENCODING_ULAW || sc->sc_encoding == AUDIO_ENCODING_ALAW) && blocksize > 32768) blocksize = 32768; else if (blocksize > 65536) blocksize = 65536; if ((blocksize % GUS_BUFFER_MULTIPLE) != 0) blocksize = (blocksize / GUS_BUFFER_MULTIPLE + 1) * GUS_BUFFER_MULTIPLE; /* set up temporary buffer to hold the deinterleave, if necessary for stereo output */ if (sc->sc_deintr_buf) { FREE(sc->sc_deintr_buf, M_DEVBUF); sc->sc_deintr_buf = NULL; } MALLOC(sc->sc_deintr_buf, void *, blocksize>>1, M_DEVBUF, M_WAITOK); sc->sc_blocksize = blocksize; /* multi-buffering not quite working yet. */ sc->sc_nbufs = /*GUS_MEM_FOR_BUFFERS / blocksize*/ 2; gus_set_chan_addrs(sc); return blocksize; } int gus_get_out_gain(addr) caddr_t addr; { struct gus_softc *sc = (struct gus_softc *) addr; DPRINTF(("gus_get_out_gain called\n")); return sc->sc_ogain / 2; } STATIC inline void gus_set_voices(sc, voices) struct gus_softc *sc; int voices; { bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh2 = sc->sc_ioh2; /* * Select the active number of voices */ SELECT_GUS_REG(iot, ioh2, GUSREG_ACTIVE_VOICES); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, (voices-1) | 0xc0); sc->sc_voices = voices; } /* * Actually set the settings of various values on the card */ int gusmax_commit_settings(addr) void * addr; { struct ad1848_softc *ac = addr; struct gus_softc *sc = ac->parent; int error; error = ad1848_commit_settings(ac); if (error) return error; return gus_commit_settings(sc); } /* * Commit the settings. Called at normal IPL. */ int gus_commit_settings(addr) void * addr; { struct gus_softc *sc = addr; int s; DPRINTF(("gus_commit_settings called (gain = %d)\n",sc->sc_ogain)); s = splgus(); gus_set_recrate(sc, sc->sc_irate); gus_set_volume(sc, GUS_VOICE_LEFT, sc->sc_ogain); gus_set_volume(sc, GUS_VOICE_RIGHT, sc->sc_ogain); gus_set_samprate(sc, GUS_VOICE_LEFT, sc->sc_orate); gus_set_samprate(sc, GUS_VOICE_RIGHT, sc->sc_orate); splx(s); gus_set_chan_addrs(sc); return 0; } STATIC void gus_set_chan_addrs(sc) struct gus_softc *sc; { /* * We use sc_nbufs * blocksize bytes of storage in the on-board GUS * ram. * For mono, each of the sc_nbufs buffers is DMA'd to in one chunk, * and both left & right channels play the same buffer. * * For stereo, each channel gets a contiguous half of the memory, * and each has sc_nbufs buffers of size blocksize/2. * Stereo data are deinterleaved in main memory before the DMA out * routines are called to queue the output. * * The blocksize per channel is kept in sc_chanblocksize. */ if (sc->sc_channels == 2) sc->sc_chanblocksize = sc->sc_blocksize/2; else sc->sc_chanblocksize = sc->sc_blocksize; sc->sc_voc[GUS_VOICE_LEFT].start_addr = GUS_MEM_OFFSET - 1; sc->sc_voc[GUS_VOICE_RIGHT].start_addr = (gus_dostereo && sc->sc_channels == 2 ? GUS_LEFT_RIGHT_OFFSET : 0) + GUS_MEM_OFFSET - 1; sc->sc_voc[GUS_VOICE_RIGHT].current_addr = sc->sc_voc[GUS_VOICE_RIGHT].start_addr + 1; sc->sc_voc[GUS_VOICE_RIGHT].end_addr = sc->sc_voc[GUS_VOICE_RIGHT].start_addr + sc->sc_nbufs * sc->sc_chanblocksize; } /* * Set the sample rate of the given voice. Called at splgus(). */ STATIC void gus_set_samprate(sc, voice, freq) struct gus_softc *sc; int voice, freq; { bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh2 = sc->sc_ioh2; unsigned int fc; u_long temp, f = (u_long) freq; /* * calculate fc based on the number of active voices; * we need to use longs to preserve enough bits */ temp = (u_long) gus_max_frequency[sc->sc_voices-GUS_MIN_VOICES]; fc = (unsigned int)(((f << 9L) + (temp >> 1L)) / temp); fc <<= 1; /* * Program the voice frequency, and set it in the voice data record */ bus_space_write_1(iot, ioh2, GUS_VOICE_SELECT, (unsigned char) voice); SELECT_GUS_REG(iot, ioh2, GUSREG_FREQ_CONTROL); bus_space_write_2(iot, ioh2, GUS_DATA_LOW, fc); sc->sc_voc[voice].rate = freq; } /* * Set the sample rate of the recording frequency. Formula is from the GUS * SDK. Called at splgus(). */ STATIC void gus_set_recrate(sc, rate) struct gus_softc *sc; u_long rate; { bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh2 = sc->sc_ioh2; u_char realrate; DPRINTF(("gus_set_recrate %lu\n", rate)); #if 0 realrate = 9878400/(16*(rate+2)); /* formula from GUS docs */ #endif realrate = (9878400 >> 4)/rate - 2; /* formula from code, sigh. */ SELECT_GUS_REG(iot, ioh2, GUSREG_SAMPLE_FREQ); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, realrate); } /* * Interface to the audio layer - turn the output on or off. Note that some * of these bits are flipped in the register */ int gusmax_speaker_ctl(addr, newstate) void * addr; int newstate; { struct ad1848_softc *sc = addr; return gus_speaker_ctl(sc->parent, newstate); } int gus_speaker_ctl(addr, newstate) void * addr; int newstate; { struct gus_softc *sc = (struct gus_softc *) addr; bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh1 = sc->sc_ioh1; /* Line out bit is flipped: 0 enables, 1 disables */ if ((newstate == SPKR_ON) && (sc->sc_mixcontrol & GUSMASK_LINE_OUT)) { sc->sc_mixcontrol &= ~GUSMASK_LINE_OUT; bus_space_write_1(iot, ioh1, GUS_MIX_CONTROL, sc->sc_mixcontrol); } if ((newstate == SPKR_OFF) && (sc->sc_mixcontrol & GUSMASK_LINE_OUT) == 0) { sc->sc_mixcontrol |= GUSMASK_LINE_OUT; bus_space_write_1(iot, ioh1, GUS_MIX_CONTROL, sc->sc_mixcontrol); } return 0; } STATIC int gus_linein_ctl(addr, newstate) void * addr; int newstate; { struct gus_softc *sc = (struct gus_softc *) addr; bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh1 = sc->sc_ioh1; /* Line in bit is flipped: 0 enables, 1 disables */ if ((newstate == SPKR_ON) && (sc->sc_mixcontrol & GUSMASK_LINE_IN)) { sc->sc_mixcontrol &= ~GUSMASK_LINE_IN; bus_space_write_1(iot, ioh1, GUS_MIX_CONTROL, sc->sc_mixcontrol); } if ((newstate == SPKR_OFF) && (sc->sc_mixcontrol & GUSMASK_LINE_IN) == 0) { sc->sc_mixcontrol |= GUSMASK_LINE_IN; bus_space_write_1(iot, ioh1, GUS_MIX_CONTROL, sc->sc_mixcontrol); } return 0; } STATIC int gus_mic_ctl(addr, newstate) void * addr; int newstate; { struct gus_softc *sc = (struct gus_softc *) addr; bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh1 = sc->sc_ioh1; /* Mic bit is normal: 1 enables, 0 disables */ if ((newstate == SPKR_ON) && (sc->sc_mixcontrol & GUSMASK_MIC_IN) == 0) { sc->sc_mixcontrol |= GUSMASK_MIC_IN; bus_space_write_1(iot, ioh1, GUS_MIX_CONTROL, sc->sc_mixcontrol); } if ((newstate == SPKR_OFF) && (sc->sc_mixcontrol & GUSMASK_MIC_IN)) { sc->sc_mixcontrol &= ~GUSMASK_MIC_IN; bus_space_write_1(iot, ioh1, GUS_MIX_CONTROL, sc->sc_mixcontrol); } return 0; } /* * Set the end address of a give voice. Called at splgus() */ STATIC void gus_set_endaddr(sc, voice, addr) struct gus_softc *sc; int voice; u_long addr; { bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh2 = sc->sc_ioh2; sc->sc_voc[voice].end_addr = addr; if (sc->sc_voc[voice].voccntl & GUSMASK_DATA_SIZE16) addr = convert_to_16bit(addr); SELECT_GUS_REG(iot, ioh2, GUSREG_END_ADDR_HIGH); bus_space_write_2(iot, ioh2, GUS_DATA_LOW, ADDR_HIGH(addr)); SELECT_GUS_REG(iot, ioh2, GUSREG_END_ADDR_LOW); bus_space_write_2(iot, ioh2, GUS_DATA_LOW, ADDR_LOW(addr)); } #ifdef GUSPLAYDEBUG /* * Set current address. called at splgus() */ STATIC void gus_set_curaddr(sc, voice, addr) struct gus_softc *sc; int voice; u_long addr; { bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh2 = sc->sc_ioh2; sc->sc_voc[voice].current_addr = addr; if (sc->sc_voc[voice].voccntl & GUSMASK_DATA_SIZE16) addr = convert_to_16bit(addr); bus_space_write_1(iot, ioh2, GUS_VOICE_SELECT, (unsigned char) voice); SELECT_GUS_REG(iot, ioh2, GUSREG_CUR_ADDR_HIGH); bus_space_write_2(iot, ioh2, GUS_DATA_LOW, ADDR_HIGH(addr)); SELECT_GUS_REG(iot, ioh2, GUSREG_CUR_ADDR_LOW); bus_space_write_2(iot, ioh2, GUS_DATA_LOW, ADDR_LOW(addr)); } /* * Get current GUS playback address. Called at splgus(). */ STATIC u_long gus_get_curaddr(sc, voice) struct gus_softc *sc; int voice; { bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh2 = sc->sc_ioh2; u_long addr; bus_space_write_1(iot, ioh2, GUS_VOICE_SELECT, (unsigned char) voice); SELECT_GUS_REG(iot, ioh2, GUSREG_CUR_ADDR_HIGH|GUSREG_READ); addr = (bus_space_read_2(iot, ioh2, GUS_DATA_LOW) & 0x1fff) << 7; SELECT_GUS_REG(iot, ioh2, GUSREG_CUR_ADDR_LOW|GUSREG_READ); addr |= (bus_space_read_2(iot, ioh2, GUS_DATA_LOW) >> 9L) & 0x7f; if (sc->sc_voc[voice].voccntl & GUSMASK_DATA_SIZE16) addr = (addr & 0xc0000) | ((addr & 0x1ffff) << 1); /* undo 16-bit change */ DPRINTF(("gus voice %d curaddr %ld end_addr %ld\n", voice, addr, sc->sc_voc[voice].end_addr)); /* XXX sanity check the address? */ return(addr); } #endif /* * Convert an address value to a "16 bit" value - why this is necessary I * have NO idea */ STATIC u_long convert_to_16bit(address) u_long address; { u_long old_address; old_address = address; address >>= 1; address &= 0x0001ffffL; address |= (old_address & 0x000c0000L); return (address); } /* * Write a value into the GUS's DRAM */ STATIC void guspoke(iot, ioh2, address, value) bus_space_tag_t iot; bus_space_handle_t ioh2; long address; unsigned char value; { /* * Select the DRAM address */ SELECT_GUS_REG(iot, ioh2, GUSREG_DRAM_ADDR_LOW); bus_space_write_2(iot, ioh2, GUS_DATA_LOW, (unsigned int) (address & 0xffff)); SELECT_GUS_REG(iot, ioh2, GUSREG_DRAM_ADDR_HIGH); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, (unsigned char) ((address >> 16) & 0xff)); /* * Actually write the data */ bus_space_write_1(iot, ioh2, GUS_DRAM_DATA, value); } /* * Read a value from the GUS's DRAM */ STATIC unsigned char guspeek(iot, ioh2, address) bus_space_tag_t iot; bus_space_handle_t ioh2; u_long address; { /* * Select the DRAM address */ SELECT_GUS_REG(iot, ioh2, GUSREG_DRAM_ADDR_LOW); bus_space_write_2(iot, ioh2, GUS_DATA_LOW, (unsigned int) (address & 0xffff)); SELECT_GUS_REG(iot, ioh2, GUSREG_DRAM_ADDR_HIGH); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, (unsigned char) ((address >> 16) & 0xff)); /* * Read in the data from the board */ return (unsigned char) bus_space_read_1(iot, ioh2, GUS_DRAM_DATA); } /* * Reset the Gravis UltraSound card, completely */ STATIC void gusreset(sc, voices) struct gus_softc *sc; int voices; { bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh1 = sc->sc_ioh1; bus_space_handle_t ioh2 = sc->sc_ioh2; bus_space_handle_t ioh4 = sc->sc_ioh4; int i,s; s = splgus(); /* * Reset the GF1 chip */ SELECT_GUS_REG(iot, ioh2, GUSREG_RESET); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 0x00); delay(500); /* * Release reset */ SELECT_GUS_REG(iot, ioh2, GUSREG_RESET); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, GUSMASK_MASTER_RESET); delay(500); /* * Reset MIDI port as well */ bus_space_write_1(iot, ioh4, GUS_MIDI_CONTROL, MIDI_RESET); delay(500); bus_space_write_1(iot, ioh4, GUS_MIDI_CONTROL, 0x00); /* * Clear interrupts */ SELECT_GUS_REG(iot, ioh2, GUSREG_DMA_CONTROL); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 0x00); SELECT_GUS_REG(iot, ioh2, GUSREG_TIMER_CONTROL); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 0x00); SELECT_GUS_REG(iot, ioh2, GUSREG_SAMPLE_CONTROL); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 0x00); gus_set_voices(sc, voices); bus_space_read_1(iot, ioh1, GUS_IRQ_STATUS); SELECT_GUS_REG(iot, ioh2, GUSREG_DMA_CONTROL); bus_space_read_1(iot, ioh2, GUS_DATA_HIGH); SELECT_GUS_REG(iot, ioh2, GUSREG_SAMPLE_CONTROL); bus_space_read_1(iot, ioh2, GUS_DATA_HIGH); SELECT_GUS_REG(iot, ioh2, GUSREG_IRQ_STATUS); bus_space_read_1(iot, ioh2, GUS_DATA_HIGH); /* * Reset voice specific information */ for(i = 0; i < voices; i++) { bus_space_write_1(iot, ioh2, GUS_VOICE_SELECT, (unsigned char) i); SELECT_GUS_REG(iot, ioh2, GUSREG_VOICE_CNTL); sc->sc_voc[i].voccntl = GUSMASK_VOICE_STOPPED | GUSMASK_STOP_VOICE; bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, sc->sc_voc[i].voccntl); sc->sc_voc[i].volcntl = GUSMASK_VOLUME_STOPPED | GUSMASK_STOP_VOLUME; SELECT_GUS_REG(iot, ioh2, GUSREG_VOLUME_CONTROL); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, sc->sc_voc[i].volcntl); delay(100); gus_set_samprate(sc, i, 8000); SELECT_GUS_REG(iot, ioh2, GUSREG_START_ADDR_HIGH); bus_space_write_2(iot, ioh2, GUS_DATA_LOW, 0x0000); SELECT_GUS_REG(iot, ioh2, GUSREG_START_ADDR_LOW); bus_space_write_2(iot, ioh2, GUS_DATA_LOW, 0x0000); SELECT_GUS_REG(iot, ioh2, GUSREG_END_ADDR_HIGH); bus_space_write_2(iot, ioh2, GUS_DATA_LOW, 0x0000); SELECT_GUS_REG(iot, ioh2, GUSREG_END_ADDR_LOW); bus_space_write_2(iot, ioh2, GUS_DATA_LOW, 0x0000); SELECT_GUS_REG(iot, ioh2, GUSREG_VOLUME_RATE); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 0x01); SELECT_GUS_REG(iot, ioh2, GUSREG_START_VOLUME); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 0x10); SELECT_GUS_REG(iot, ioh2, GUSREG_END_VOLUME); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 0xe0); SELECT_GUS_REG(iot, ioh2, GUSREG_CUR_VOLUME); bus_space_write_2(iot, ioh2, GUS_DATA_LOW, 0x0000); SELECT_GUS_REG(iot, ioh2, GUSREG_CUR_ADDR_HIGH); bus_space_write_2(iot, ioh2, GUS_DATA_LOW, 0x0000); SELECT_GUS_REG(iot, ioh2, GUSREG_CUR_ADDR_LOW); bus_space_write_2(iot, ioh2, GUS_DATA_LOW, 0x0000); SELECT_GUS_REG(iot, ioh2, GUSREG_PAN_POS); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 0x07); } /* * Clear out any pending IRQs */ bus_space_read_1(iot, ioh1, GUS_IRQ_STATUS); SELECT_GUS_REG(iot, ioh2, GUSREG_DMA_CONTROL); bus_space_read_1(iot, ioh2, GUS_DATA_HIGH); SELECT_GUS_REG(iot, ioh2, GUSREG_SAMPLE_CONTROL); bus_space_read_1(iot, ioh2, GUS_DATA_HIGH); SELECT_GUS_REG(iot, ioh2, GUSREG_IRQ_STATUS); bus_space_read_1(iot, ioh2, GUS_DATA_HIGH); SELECT_GUS_REG(iot, ioh2, GUSREG_RESET); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, GUSMASK_MASTER_RESET | GUSMASK_DAC_ENABLE | GUSMASK_IRQ_ENABLE); splx(s); } STATIC int gus_init_cs4231(sc) struct gus_softc *sc; { bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh1 = sc->sc_ioh1; int port = sc->sc_iobase; u_char ctrl; ctrl = (port & 0xf0) >> 4; /* set port address middle nibble */ /* * The codec is a bit weird--swapped dma channels. */ ctrl |= GUS_MAX_CODEC_ENABLE; if (sc->sc_drq >= 4) ctrl |= GUS_MAX_RECCHAN16; if (sc->sc_recdrq >= 4) ctrl |= GUS_MAX_PLAYCHAN16; bus_space_write_1(iot, ioh1, GUS_MAX_CTRL, ctrl); sc->sc_codec.sc_iot = sc->sc_iot; sc->sc_codec.sc_iobase = port+GUS_MAX_CODEC_BASE; if (ad1848_probe(&sc->sc_codec) == 0) { sc->sc_flags &= ~GUS_CODEC_INSTALLED; return (0); } else { struct ad1848_volume vol = {AUDIO_MAX_GAIN, AUDIO_MAX_GAIN}; sc->sc_flags |= GUS_CODEC_INSTALLED; sc->sc_codec.parent = sc; sc->sc_codec.sc_drq = sc->sc_recdrq; sc->sc_codec.sc_recdrq = sc->sc_drq; gus_hw_if = gusmax_hw_if; /* enable line in and mic in the GUS mixer; the codec chip will do the real mixing for them. */ sc->sc_mixcontrol &= ~GUSMASK_LINE_IN; /* 0 enables. */ sc->sc_mixcontrol |= GUSMASK_MIC_IN; /* 1 enables. */ bus_space_write_1(iot, ioh1, GUS_MIX_CONTROL, sc->sc_mixcontrol); ad1848_attach(&sc->sc_codec); /* turn on pre-MUX microphone gain. */ ad1848_set_mic_gain(&sc->sc_codec, &vol); return (1); } } /* * Return info about the audio device, for the AUDIO_GETINFO ioctl */ int gus_getdev(addr, dev) void * addr; struct audio_device *dev; { *dev = gus_device; return 0; } /* * stubs (XXX) */ int gus_set_in_gain(addr, gain, balance) caddr_t addr; u_int gain; u_char balance; { DPRINTF(("gus_set_in_gain called\n")); return 0; } int gus_get_in_gain(addr) caddr_t addr; { DPRINTF(("gus_get_in_gain called\n")); return 0; } int gusmax_dma_input(addr, buf, size, callback, arg) void * addr; void *buf; int size; void (*callback) __P((void *)); void *arg; { struct ad1848_softc *sc = addr; return gus_dma_input(sc->parent, buf, size, callback, arg); } /* * Start sampling the input source into the requested DMA buffer. * Called at splgus(), either from top-half or from interrupt handler. */ int gus_dma_input(addr, buf, size, callback, arg) void * addr; void *buf; int size; void (*callback) __P((void *)); void *arg; { struct gus_softc *sc = addr; bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh2 = sc->sc_ioh2; u_char dmac; DMAPRINTF(("gus_dma_input called\n")); /* * Sample SIZE bytes of data from the card, into buffer at BUF. */ if (sc->sc_precision == 16) return EINVAL; /* XXX */ /* set DMA modes */ dmac = GUSMASK_SAMPLE_IRQ|GUSMASK_SAMPLE_START; if (sc->sc_recdrq >= 4) dmac |= GUSMASK_SAMPLE_DATA16; if (sc->sc_encoding == AUDIO_ENCODING_ULAW || sc->sc_encoding == AUDIO_ENCODING_ALAW || sc->sc_encoding == AUDIO_ENCODING_ULINEAR_LE || sc->sc_encoding == AUDIO_ENCODING_ULINEAR_BE) dmac |= GUSMASK_SAMPLE_INVBIT; if (sc->sc_channels == 2) dmac |= GUSMASK_SAMPLE_STEREO; isa_dmastart(sc->sc_dev.dv_parent, sc->sc_recdrq, buf, size, NULL, DMAMODE_READ, BUS_DMA_NOWAIT); DMAPRINTF(("gus_dma_input isadma_started\n")); sc->sc_flags |= GUS_DMAIN_ACTIVE; sc->sc_dmainintr = callback; sc->sc_inarg = arg; sc->sc_dmaincnt = size; sc->sc_dmainaddr = buf; SELECT_GUS_REG(iot, ioh2, GUSREG_SAMPLE_CONTROL); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, dmac); /* Go! */ DMAPRINTF(("gus_dma_input returning\n")); return 0; } STATIC int gus_dmain_intr(sc) struct gus_softc *sc; { void (*callback) __P((void *)); void *arg; DMAPRINTF(("gus_dmain_intr called\n")); if (sc->sc_dmainintr) { isa_dmadone(sc->sc_dev.dv_parent, sc->sc_recdrq); callback = sc->sc_dmainintr; arg = sc->sc_inarg; sc->sc_dmainaddr = 0; sc->sc_dmaincnt = 0; sc->sc_dmainintr = 0; sc->sc_inarg = 0; sc->sc_flags &= ~GUS_DMAIN_ACTIVE; DMAPRINTF(("calling dmain_intr callback %p(%p)\n", callback, arg)); (*callback)(arg); return 1; } else { DMAPRINTF(("gus_dmain_intr false?\n")); return 0; /* XXX ??? */ } } int gusmax_halt_out_dma(addr) void * addr; { struct ad1848_softc *sc = addr; return gus_halt_out_dma(sc->parent); } int gusmax_halt_in_dma(addr) void * addr; { struct ad1848_softc *sc = addr; return gus_halt_in_dma(sc->parent); } /* * Stop any DMA output. Called at splgus(). */ int gus_halt_out_dma(addr) void * addr; { struct gus_softc *sc = addr; bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh2 = sc->sc_ioh2; DMAPRINTF(("gus_halt_out_dma called\n")); /* * Make sure the GUS _isn't_ setup for DMA */ SELECT_GUS_REG(iot, ioh2, GUSREG_DMA_CONTROL); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, 0); untimeout(gus_dmaout_timeout, sc); isa_dmaabort(sc->sc_dev.dv_parent, sc->sc_drq); sc->sc_flags &= ~(GUS_DMAOUT_ACTIVE|GUS_LOCKED); sc->sc_dmaoutintr = 0; sc->sc_outarg = 0; sc->sc_dmaoutaddr = 0; sc->sc_dmaoutcnt = 0; sc->sc_dmabuf = 0; sc->sc_bufcnt = 0; sc->sc_playbuf = -1; /* also stop playing */ gus_stop_voice(sc, GUS_VOICE_LEFT, 1); gus_stop_voice(sc, GUS_VOICE_RIGHT, 0); return 0; } /* * Stop any DMA output. Called at splgus(). */ int gus_halt_in_dma(addr) void * addr; { struct gus_softc *sc = addr; bus_space_tag_t iot = sc->sc_iot; bus_space_handle_t ioh2 = sc->sc_ioh2; DMAPRINTF(("gus_halt_in_dma called\n")); /* * Make sure the GUS _isn't_ setup for DMA */ SELECT_GUS_REG(iot, ioh2, GUSREG_SAMPLE_CONTROL); bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, bus_space_read_1(iot, ioh2, GUS_DATA_HIGH) & ~(GUSMASK_SAMPLE_START|GUSMASK_SAMPLE_IRQ)); isa_dmaabort(sc->sc_dev.dv_parent, sc->sc_recdrq); sc->sc_flags &= ~GUS_DMAIN_ACTIVE; sc->sc_dmainintr = 0; sc->sc_inarg = 0; sc->sc_dmainaddr = 0; sc->sc_dmaincnt = 0; return 0; } static ad1848_devmap_t gusmapping[] = { {GUSMAX_DAC_LVL, AD1848_KIND_LVL, AD1848_AUX1_CHANNEL}, {GUSMAX_LINE_IN_LVL, AD1848_KIND_LVL, AD1848_LINE_CHANNEL}, {GUSMAX_MONO_LVL, AD1848_KIND_LVL, AD1848_MONO_CHANNEL}, {GUSMAX_CD_LVL, AD1848_KIND_LVL, AD1848_AUX2_CHANNEL}, {GUSMAX_MONITOR_LVL, AD1848_KIND_LVL, AD1848_MONITOR_CHANNEL}, {GUSMAX_OUT_LVL, AD1848_KIND_LVL, AD1848_DAC_CHANNEL}, {GUSMAX_DAC_MUTE, AD1848_KIND_MUTE, AD1848_AUX1_CHANNEL}, {GUSMAX_LINE_IN_MUTE, AD1848_KIND_MUTE, AD1848_LINE_CHANNEL}, {GUSMAX_MONO_MUTE, AD1848_KIND_MUTE, AD1848_MONO_CHANNEL}, {GUSMAX_CD_MUTE, AD1848_KIND_MUTE, AD1848_AUX2_CHANNEL}, {GUSMAX_MONITOR_MUTE, AD1848_KIND_MUTE, AD1848_MONITOR_CHANNEL}, {GUSMAX_REC_LVL, AD1848_KIND_RECORDGAIN, -1}, {GUSMAX_RECORD_SOURCE, AD1848_KIND_RECORDSOURCE, -1} }; static int nummap = sizeof(gusmapping) / sizeof(gusmapping[0]); STATIC int gusmax_mixer_get_port(addr, cp) void *addr; mixer_ctrl_t *cp; { struct ad1848_softc *ac = addr; struct gus_softc *sc = ac->parent; struct ad1848_volume vol; int error = ad1848_mixer_get_port(ac, gusmapping, nummap, cp); if (error != ENXIO) return (error); error = EINVAL; switch (cp->dev) { case GUSMAX_SPEAKER_LVL: /* fake speaker for mute naming */ if (cp->type == AUDIO_MIXER_VALUE) { if (sc->sc_mixcontrol & GUSMASK_LINE_OUT) vol.left = vol.right = AUDIO_MAX_GAIN; else vol.left = vol.right = AUDIO_MIN_GAIN; error = 0; ad1848_from_vol(cp, &vol); } break; case GUSMAX_SPEAKER_MUTE: if (cp->type == AUDIO_MIXER_ENUM) { cp->un.ord = sc->sc_mixcontrol & GUSMASK_LINE_OUT ? 1 : 0; error = 0; } break; default: error = ENXIO; break; } return(error); } STATIC int gus_mixer_get_port(addr, cp) void *addr; mixer_ctrl_t *cp; { struct gus_softc *sc = addr; struct ics2101_softc *ic = &sc->sc_mixer; struct ad1848_volume vol; int error = EINVAL; DPRINTF(("gus_mixer_get_port: dev=%d type=%d\n", cp->dev, cp->type)); if (!HAS_MIXER(sc) && cp->dev > GUSICS_MASTER_MUTE) return ENXIO; switch (cp->dev) { case GUSICS_MIC_IN_MUTE: /* Microphone */ if (cp->type == AUDIO_MIXER_ENUM) { if (HAS_MIXER(sc)) cp->un.ord = ic->sc_mute[GUSMIX_CHAN_MIC][ICSMIX_LEFT]; else cp->un.ord = sc->sc_mixcontrol & GUSMASK_MIC_IN ? 0 : 1; error = 0; } break; case GUSICS_LINE_IN_MUTE: if (cp->type == AUDIO_MIXER_ENUM) { if (HAS_MIXER(sc)) cp->un.ord = ic->sc_mute[GUSMIX_CHAN_LINE][ICSMIX_LEFT]; else cp->un.ord = sc->sc_mixcontrol & GUSMASK_LINE_IN ? 1 : 0; error = 0; } break; case GUSICS_MASTER_MUTE: if (cp->type == AUDIO_MIXER_ENUM) { if (HAS_MIXER(sc)) cp->un.ord = ic->sc_mute[GUSMIX_CHAN_MASTER][ICSMIX_LEFT]; else cp->un.ord = sc->sc_mixcontrol & GUSMASK_LINE_OUT ? 1 : 0; error = 0; } break; case GUSICS_DAC_MUTE: if (cp->type == AUDIO_MIXER_ENUM) { cp->un.ord = ic->sc_mute[GUSMIX_CHAN_DAC][ICSMIX_LEFT]; error = 0; } break; case GUSICS_CD_MUTE: if (cp->type == AUDIO_MIXER_ENUM) { cp->un.ord = ic->sc_mute[GUSMIX_CHAN_CD][ICSMIX_LEFT]; error = 0; } break; case GUSICS_MASTER_LVL: if (cp->type == AUDIO_MIXER_VALUE) { vol.left = ic->sc_setting[GUSMIX_CHAN_MASTER][ICSMIX_LEFT]; vol.right = ic->sc_setting[GUSMIX_CHAN_MASTER][ICSMIX_RIGHT]; if (ad1848_from_vol(cp, &vol)) error = 0; } break; case GUSICS_MIC_IN_LVL: /* Microphone */ if (cp->type == AUDIO_MIXER_VALUE) { vol.left = ic->sc_setting[GUSMIX_CHAN_MIC][ICSMIX_LEFT]; vol.right = ic->sc_setting[GUSMIX_CHAN_MIC][ICSMIX_RIGHT]; if (ad1848_from_vol(cp, &vol)) error = 0; } break; case GUSICS_LINE_IN_LVL: /* line in */ if (cp->type == AUDIO_MIXER_VALUE) { vol.left = ic->sc_setting[GUSMIX_CHAN_LINE][ICSMIX_LEFT]; vol.right = ic->sc_setting[GUSMIX_CHAN_LINE][ICSMIX_RIGHT]; if (ad1848_from_vol(cp, &vol)) error = 0; } break; case GUSICS_CD_LVL: if (cp->type == AUDIO_MIXER_VALUE) { vol.left = ic->sc_setting[GUSMIX_CHAN_CD][ICSMIX_LEFT]; vol.right = ic->sc_setting[GUSMIX_CHAN_CD][ICSMIX_RIGHT]; if (ad1848_from_vol(cp, &vol)) error = 0; } break; case GUSICS_DAC_LVL: /* dac out */ if (cp->type == AUDIO_MIXER_VALUE) { vol.left = ic->sc_setting[GUSMIX_CHAN_DAC][ICSMIX_LEFT]; vol.right = ic->sc_setting[GUSMIX_CHAN_DAC][ICSMIX_RIGHT]; if (ad1848_from_vol(cp, &vol)) error = 0; } break; case GUSICS_RECORD_SOURCE: if (cp->type == AUDIO_MIXER_ENUM) { /* Can't set anything else useful, sigh. */ cp->un.ord = 0; } break; default: return ENXIO; /*NOTREACHED*/ } return error; } STATIC void gusics_master_mute(ic, mute) struct ics2101_softc *ic; int mute; { ics2101_mix_mute(ic, GUSMIX_CHAN_MASTER, ICSMIX_LEFT, mute); ics2101_mix_mute(ic, GUSMIX_CHAN_MASTER, ICSMIX_RIGHT, mute); } STATIC void gusics_mic_mute(ic, mute) struct ics2101_softc *ic; int mute; { ics2101_mix_mute(ic, GUSMIX_CHAN_MIC, ICSMIX_LEFT, mute); ics2101_mix_mute(ic, GUSMIX_CHAN_MIC, ICSMIX_RIGHT, mute); } STATIC void gusics_linein_mute(ic, mute) struct ics2101_softc *ic; int mute; { ics2101_mix_mute(ic, GUSMIX_CHAN_LINE, ICSMIX_LEFT, mute); ics2101_mix_mute(ic, GUSMIX_CHAN_LINE, ICSMIX_RIGHT, mute); } STATIC void gusics_cd_mute(ic, mute) struct ics2101_softc *ic; int mute; { ics2101_mix_mute(ic, GUSMIX_CHAN_CD, ICSMIX_LEFT, mute); ics2101_mix_mute(ic, GUSMIX_CHAN_CD, ICSMIX_RIGHT, mute); } STATIC void gusics_dac_mute(ic, mute) struct ics2101_softc *ic; int mute; { ics2101_mix_mute(ic, GUSMIX_CHAN_DAC, ICSMIX_LEFT, mute); ics2101_mix_mute(ic, GUSMIX_CHAN_DAC, ICSMIX_RIGHT, mute); } STATIC int gusmax_mixer_set_port(addr, cp) void *addr; mixer_ctrl_t *cp; { struct ad1848_softc *ac = addr; struct gus_softc *sc = ac->parent; struct ad1848_volume vol; int error = ad1848_mixer_set_port(ac, gusmapping, nummap, cp); if (error != ENXIO) return (error); DPRINTF(("gusmax_mixer_set_port: dev=%d type=%d\n", cp->dev, cp->type)); switch (cp->dev) { case GUSMAX_SPEAKER_LVL: if (cp->type == AUDIO_MIXER_VALUE && cp->un.value.num_channels == 1) { if (ad1848_to_vol(cp, &vol)) { gus_speaker_ctl(sc, vol.left > AUDIO_MIN_GAIN ? SPKR_ON : SPKR_OFF); error = 0; } } break; case GUSMAX_SPEAKER_MUTE: if (cp->type == AUDIO_MIXER_ENUM) { gus_speaker_ctl(sc, cp->un.ord ? SPKR_OFF : SPKR_ON); error = 0; } break; default: return ENXIO; /*NOTREACHED*/ } return error; } STATIC int gus_mixer_set_port(addr, cp) void *addr; mixer_ctrl_t *cp; { struct gus_softc *sc = addr; struct ics2101_softc *ic = &sc->sc_mixer; struct ad1848_volume vol; int error = EINVAL; DPRINTF(("gus_mixer_set_port: dev=%d type=%d\n", cp->dev, cp->type)); if (!HAS_MIXER(sc) && cp->dev > GUSICS_MASTER_MUTE) return ENXIO; switch (cp->dev) { case GUSICS_MIC_IN_MUTE: /* Microphone */ if (cp->type == AUDIO_MIXER_ENUM) { DPRINTF(("mic mute %d\n", cp->un.ord)); if (HAS_MIXER(sc)) { gusics_mic_mute(ic, cp->un.ord); } gus_mic_ctl(sc, cp->un.ord ? SPKR_OFF : SPKR_ON); error = 0; } break; case GUSICS_LINE_IN_MUTE: if (cp->type == AUDIO_MIXER_ENUM) { DPRINTF(("linein mute %d\n", cp->un.ord)); if (HAS_MIXER(sc)) { gusics_linein_mute(ic, cp->un.ord); } gus_linein_ctl(sc, cp->un.ord ? SPKR_OFF : SPKR_ON); error = 0; } break; case GUSICS_MASTER_MUTE: if (cp->type == AUDIO_MIXER_ENUM) { DPRINTF(("master mute %d\n", cp->un.ord)); if (HAS_MIXER(sc)) { gusics_master_mute(ic, cp->un.ord); } gus_speaker_ctl(sc, cp->un.ord ? SPKR_OFF : SPKR_ON); error = 0; } break; case GUSICS_DAC_MUTE: if (cp->type == AUDIO_MIXER_ENUM) { gusics_dac_mute(ic, cp->un.ord); error = 0; } break; case GUSICS_CD_MUTE: if (cp->type == AUDIO_MIXER_ENUM) { gusics_cd_mute(ic, cp->un.ord); error = 0; } break; case GUSICS_MASTER_LVL: if (cp->type == AUDIO_MIXER_VALUE) { if (ad1848_to_vol(cp, &vol)) { ics2101_mix_attenuate(ic, GUSMIX_CHAN_MASTER, ICSMIX_LEFT, vol.left); ics2101_mix_attenuate(ic, GUSMIX_CHAN_MASTER, ICSMIX_RIGHT, vol.right); error = 0; } } break; case GUSICS_MIC_IN_LVL: /* Microphone */ if (cp->type == AUDIO_MIXER_VALUE) { if (ad1848_to_vol(cp, &vol)) { ics2101_mix_attenuate(ic, GUSMIX_CHAN_MIC, ICSMIX_LEFT, vol.left); ics2101_mix_attenuate(ic, GUSMIX_CHAN_MIC, ICSMIX_RIGHT, vol.right); error = 0; } } break; case GUSICS_LINE_IN_LVL: /* line in */ if (cp->type == AUDIO_MIXER_VALUE) { if (ad1848_to_vol(cp, &vol)) { ics2101_mix_attenuate(ic, GUSMIX_CHAN_LINE, ICSMIX_LEFT, vol.left); ics2101_mix_attenuate(ic, GUSMIX_CHAN_LINE, ICSMIX_RIGHT, vol.right); error = 0; } } break; case GUSICS_CD_LVL: if (cp->type == AUDIO_MIXER_VALUE) { if (ad1848_to_vol(cp, &vol)) { ics2101_mix_attenuate(ic, GUSMIX_CHAN_CD, ICSMIX_LEFT, vol.left); ics2101_mix_attenuate(ic, GUSMIX_CHAN_CD, ICSMIX_RIGHT, vol.right); error = 0; } } break; case GUSICS_DAC_LVL: /* dac out */ if (cp->type == AUDIO_MIXER_VALUE) { if (ad1848_to_vol(cp, &vol)) { ics2101_mix_attenuate(ic, GUSMIX_CHAN_DAC, ICSMIX_LEFT, vol.left); ics2101_mix_attenuate(ic, GUSMIX_CHAN_DAC, ICSMIX_RIGHT, vol.right); error = 0; } } break; case GUSICS_RECORD_SOURCE: if (cp->type == AUDIO_MIXER_ENUM && cp->un.ord == 0) { /* Can't set anything else useful, sigh. */ error = 0; } break; default: return ENXIO; /*NOTREACHED*/ } return error; } STATIC int gus_get_props(addr) void *addr; { struct gus_softc *sc = addr; return AUDIO_PROP_MMAP | (sc->sc_recdrq == sc->sc_drq ? 0 : AUDIO_PROP_FULLDUPLEX); } STATIC int gusmax_get_props(addr) void *addr; { struct ad1848_softc *ac = addr; return gus_get_props(ac->parent); } STATIC int gusmax_mixer_query_devinfo(addr, dip) void *addr; mixer_devinfo_t *dip; { DPRINTF(("gusmax_query_devinfo: index=%d\n", dip->index)); switch(dip->index) { #if 0 case GUSMAX_MIC_IN_LVL: /* Microphone */ dip->type = AUDIO_MIXER_VALUE; dip->mixer_class = GUSMAX_INPUT_CLASS; dip->prev = AUDIO_MIXER_LAST; dip->next = GUSMAX_MIC_IN_MUTE; strcpy(dip->label.name, AudioNmicrophone); dip->un.v.num_channels = 2; strcpy(dip->un.v.units.name, AudioNvolume); break; #endif case GUSMAX_MONO_LVL: /* mono/microphone mixer */ dip->type = AUDIO_MIXER_VALUE; dip->mixer_class = GUSMAX_INPUT_CLASS; dip->prev = AUDIO_MIXER_LAST; dip->next = GUSMAX_MONO_MUTE; strcpy(dip->label.name, AudioNmicrophone); dip->un.v.num_channels = 1; strcpy(dip->un.v.units.name, AudioNvolume); break; case GUSMAX_DAC_LVL: /* dacout */ dip->type = AUDIO_MIXER_VALUE; dip->mixer_class = GUSMAX_INPUT_CLASS; dip->prev = AUDIO_MIXER_LAST; dip->next = GUSMAX_DAC_MUTE; strcpy(dip->label.name, AudioNdac); dip->un.v.num_channels = 2; strcpy(dip->un.v.units.name, AudioNvolume); break; case GUSMAX_LINE_IN_LVL: /* line */ dip->type = AUDIO_MIXER_VALUE; dip->mixer_class = GUSMAX_INPUT_CLASS; dip->prev = AUDIO_MIXER_LAST; dip->next = GUSMAX_LINE_IN_MUTE; strcpy(dip->label.name, AudioNline); dip->un.v.num_channels = 2; strcpy(dip->un.v.units.name, AudioNvolume); break; case GUSMAX_CD_LVL: /* cd */ dip->type = AUDIO_MIXER_VALUE; dip->mixer_class = GUSMAX_INPUT_CLASS; dip->prev = AUDIO_MIXER_LAST; dip->next = GUSMAX_CD_MUTE; strcpy(dip->label.name, AudioNcd); dip->un.v.num_channels = 2; strcpy(dip->un.v.units.name, AudioNvolume); break; case GUSMAX_MONITOR_LVL: /* monitor level */ dip->type = AUDIO_MIXER_VALUE; dip->mixer_class = GUSMAX_MONITOR_CLASS; dip->next = GUSMAX_MONITOR_MUTE; dip->prev = AUDIO_MIXER_LAST; strcpy(dip->label.name, AudioNmonitor); dip->un.v.num_channels = 1; strcpy(dip->un.v.units.name, AudioNvolume); break; case GUSMAX_OUT_LVL: /* cs4231 output volume: not useful? */ dip->type = AUDIO_MIXER_VALUE; dip->mixer_class = GUSMAX_MONITOR_CLASS; dip->prev = dip->next = AUDIO_MIXER_LAST; strcpy(dip->label.name, AudioNoutput); dip->un.v.num_channels = 2; strcpy(dip->un.v.units.name, AudioNvolume); break; case GUSMAX_SPEAKER_LVL: /* fake speaker volume */ dip->type = AUDIO_MIXER_VALUE; dip->mixer_class = GUSMAX_MONITOR_CLASS; dip->prev = AUDIO_MIXER_LAST; dip->next = GUSMAX_SPEAKER_MUTE; strcpy(dip->label.name, AudioNmaster); dip->un.v.num_channels = 2; strcpy(dip->un.v.units.name, AudioNvolume); break; case GUSMAX_LINE_IN_MUTE: dip->mixer_class = GUSMAX_INPUT_CLASS; dip->type = AUDIO_MIXER_ENUM; dip->prev = GUSMAX_LINE_IN_LVL; dip->next = AUDIO_MIXER_LAST; goto mute; case GUSMAX_DAC_MUTE: dip->mixer_class = GUSMAX_INPUT_CLASS; dip->type = AUDIO_MIXER_ENUM; dip->prev = GUSMAX_DAC_LVL; dip->next = AUDIO_MIXER_LAST; goto mute; case GUSMAX_CD_MUTE: dip->mixer_class = GUSMAX_INPUT_CLASS; dip->type = AUDIO_MIXER_ENUM; dip->prev = GUSMAX_CD_LVL; dip->next = AUDIO_MIXER_LAST; goto mute; case GUSMAX_MONO_MUTE: dip->mixer_class = GUSMAX_INPUT_CLASS; dip->type = AUDIO_MIXER_ENUM; dip->prev = GUSMAX_MONO_LVL; dip->next = AUDIO_MIXER_LAST; goto mute; case GUSMAX_MONITOR_MUTE: dip->mixer_class = GUSMAX_OUTPUT_CLASS; dip->type = AUDIO_MIXER_ENUM; dip->prev = GUSMAX_MONITOR_LVL; dip->next = AUDIO_MIXER_LAST; goto mute; case GUSMAX_SPEAKER_MUTE: dip->mixer_class = GUSMAX_OUTPUT_CLASS; dip->type = AUDIO_MIXER_ENUM; dip->prev = GUSMAX_SPEAKER_LVL; dip->next = AUDIO_MIXER_LAST; mute: strcpy(dip->label.name, AudioNmute); dip->un.e.num_mem = 2; strcpy(dip->un.e.member[0].label.name, AudioNoff); dip->un.e.member[0].ord = 0; strcpy(dip->un.e.member[1].label.name, AudioNon); dip->un.e.member[1].ord = 1; break; case GUSMAX_REC_LVL: /* record level */ dip->type = AUDIO_MIXER_VALUE; dip->mixer_class = GUSMAX_RECORD_CLASS; dip->prev = AUDIO_MIXER_LAST; dip->next = GUSMAX_RECORD_SOURCE; strcpy(dip->label.name, AudioNrecord); dip->un.v.num_channels = 2; strcpy(dip->un.v.units.name, AudioNvolume); break; case GUSMAX_RECORD_SOURCE: dip->mixer_class = GUSMAX_RECORD_CLASS; dip->type = AUDIO_MIXER_ENUM; dip->prev = GUSMAX_REC_LVL; dip->next = AUDIO_MIXER_LAST; strcpy(dip->label.name, AudioNsource); dip->un.e.num_mem = 4; strcpy(dip->un.e.member[0].label.name, AudioNoutput); dip->un.e.member[0].ord = DAC_IN_PORT; strcpy(dip->un.e.member[1].label.name, AudioNmicrophone); dip->un.e.member[1].ord = MIC_IN_PORT; strcpy(dip->un.e.member[2].label.name, AudioNdac); dip->un.e.member[2].ord = AUX1_IN_PORT; strcpy(dip->un.e.member[3].label.name, AudioNline); dip->un.e.member[3].ord = LINE_IN_PORT; break; case GUSMAX_INPUT_CLASS: /* input class descriptor */ dip->type = AUDIO_MIXER_CLASS; dip->mixer_class = GUSMAX_INPUT_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strcpy(dip->label.name, AudioCinputs); break; case GUSMAX_OUTPUT_CLASS: /* output class descriptor */ dip->type = AUDIO_MIXER_CLASS; dip->mixer_class = GUSMAX_OUTPUT_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strcpy(dip->label.name, AudioCoutputs); break; case GUSMAX_MONITOR_CLASS: /* monitor class descriptor */ dip->type = AUDIO_MIXER_CLASS; dip->mixer_class = GUSMAX_MONITOR_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strcpy(dip->label.name, AudioCmonitor); break; case GUSMAX_RECORD_CLASS: /* record source class */ dip->type = AUDIO_MIXER_CLASS; dip->mixer_class = GUSMAX_RECORD_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strcpy(dip->label.name, AudioCrecord); break; default: return ENXIO; /*NOTREACHED*/ } DPRINTF(("AUDIO_MIXER_DEVINFO: name=%s\n", dip->label.name)); return 0; } STATIC int gus_mixer_query_devinfo(addr, dip) void *addr; mixer_devinfo_t *dip; { struct gus_softc *sc = addr; DPRINTF(("gusmax_query_devinfo: index=%d\n", dip->index)); if (!HAS_MIXER(sc) && dip->index > GUSICS_MASTER_MUTE) return ENXIO; switch(dip->index) { case GUSICS_MIC_IN_LVL: /* Microphone */ dip->type = AUDIO_MIXER_VALUE; dip->mixer_class = GUSICS_INPUT_CLASS; dip->prev = AUDIO_MIXER_LAST; dip->next = GUSICS_MIC_IN_MUTE; strcpy(dip->label.name, AudioNmicrophone); dip->un.v.num_channels = 2; strcpy(dip->un.v.units.name, AudioNvolume); break; case GUSICS_LINE_IN_LVL: /* line */ dip->type = AUDIO_MIXER_VALUE; dip->mixer_class = GUSICS_INPUT_CLASS; dip->prev = AUDIO_MIXER_LAST; dip->next = GUSICS_LINE_IN_MUTE; strcpy(dip->label.name, AudioNline); dip->un.v.num_channels = 2; strcpy(dip->un.v.units.name, AudioNvolume); break; case GUSICS_CD_LVL: /* cd */ dip->type = AUDIO_MIXER_VALUE; dip->mixer_class = GUSICS_INPUT_CLASS; dip->prev = AUDIO_MIXER_LAST; dip->next = GUSICS_CD_MUTE; strcpy(dip->label.name, AudioNcd); dip->un.v.num_channels = 2; strcpy(dip->un.v.units.name, AudioNvolume); break; case GUSICS_DAC_LVL: /* dacout */ dip->type = AUDIO_MIXER_VALUE; dip->mixer_class = GUSICS_INPUT_CLASS; dip->prev = AUDIO_MIXER_LAST; dip->next = GUSICS_DAC_MUTE; strcpy(dip->label.name, AudioNdac); dip->un.v.num_channels = 2; strcpy(dip->un.v.units.name, AudioNvolume); break; case GUSICS_MASTER_LVL: /* master output */ dip->type = AUDIO_MIXER_VALUE; dip->mixer_class = GUSICS_OUTPUT_CLASS; dip->prev = AUDIO_MIXER_LAST; dip->next = GUSICS_MASTER_MUTE; strcpy(dip->label.name, AudioNmaster); dip->un.v.num_channels = 2; strcpy(dip->un.v.units.name, AudioNvolume); break; case GUSICS_LINE_IN_MUTE: dip->mixer_class = GUSICS_INPUT_CLASS; dip->type = AUDIO_MIXER_ENUM; dip->prev = GUSICS_LINE_IN_LVL; dip->next = AUDIO_MIXER_LAST; goto mute; case GUSICS_DAC_MUTE: dip->mixer_class = GUSICS_INPUT_CLASS; dip->type = AUDIO_MIXER_ENUM; dip->prev = GUSICS_DAC_LVL; dip->next = AUDIO_MIXER_LAST; goto mute; case GUSICS_CD_MUTE: dip->mixer_class = GUSICS_INPUT_CLASS; dip->type = AUDIO_MIXER_ENUM; dip->prev = GUSICS_CD_LVL; dip->next = AUDIO_MIXER_LAST; goto mute; case GUSICS_MIC_IN_MUTE: dip->mixer_class = GUSICS_INPUT_CLASS; dip->type = AUDIO_MIXER_ENUM; dip->prev = GUSICS_MIC_IN_LVL; dip->next = AUDIO_MIXER_LAST; goto mute; case GUSICS_MASTER_MUTE: dip->mixer_class = GUSICS_OUTPUT_CLASS; dip->type = AUDIO_MIXER_ENUM; dip->prev = GUSICS_MASTER_LVL; dip->next = AUDIO_MIXER_LAST; mute: strcpy(dip->label.name, AudioNmute); dip->un.e.num_mem = 2; strcpy(dip->un.e.member[0].label.name, AudioNoff); dip->un.e.member[0].ord = 0; strcpy(dip->un.e.member[1].label.name, AudioNon); dip->un.e.member[1].ord = 1; break; case GUSICS_RECORD_SOURCE: dip->mixer_class = GUSICS_RECORD_CLASS; dip->type = AUDIO_MIXER_ENUM; dip->prev = dip->next = AUDIO_MIXER_LAST; strcpy(dip->label.name, AudioNsource); dip->un.e.num_mem = 1; strcpy(dip->un.e.member[0].label.name, AudioNoutput); dip->un.e.member[0].ord = GUSICS_MASTER_LVL; break; case GUSICS_INPUT_CLASS: dip->type = AUDIO_MIXER_CLASS; dip->mixer_class = GUSICS_INPUT_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strcpy(dip->label.name, AudioCinputs); break; case GUSICS_OUTPUT_CLASS: dip->type = AUDIO_MIXER_CLASS; dip->mixer_class = GUSICS_OUTPUT_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strcpy(dip->label.name, AudioCoutputs); break; case GUSICS_RECORD_CLASS: dip->type = AUDIO_MIXER_CLASS; dip->mixer_class = GUSICS_RECORD_CLASS; dip->next = dip->prev = AUDIO_MIXER_LAST; strcpy(dip->label.name, AudioCrecord); break; default: return ENXIO; /*NOTREACHED*/ } DPRINTF(("AUDIO_MIXER_DEVINFO: name=%s\n", dip->label.name)); return 0; } STATIC int gus_query_encoding(addr, fp) void *addr; struct audio_encoding *fp; { switch (fp->index) { case 0: strcpy(fp->name, AudioEmulaw); fp->encoding = AUDIO_ENCODING_ULAW; fp->precision = 8; fp->flags = AUDIO_ENCODINGFLAG_EMULATED; break; case 1: strcpy(fp->name, AudioEslinear); fp->encoding = AUDIO_ENCODING_SLINEAR; fp->precision = 8; fp->flags = 0; break; case 2: strcpy(fp->name, AudioEslinear_le); fp->encoding = AUDIO_ENCODING_SLINEAR_LE; fp->precision = 16; fp->flags = 0; break; case 3: strcpy(fp->name, AudioEulinear); fp->encoding = AUDIO_ENCODING_ULINEAR; fp->precision = 8; fp->flags = 0; break; case 4: strcpy(fp->name, AudioEulinear_le); fp->encoding = AUDIO_ENCODING_ULINEAR_LE; fp->precision = 16; fp->flags = 0; break; case 5: strcpy(fp->name, AudioEslinear_be); fp->encoding = AUDIO_ENCODING_SLINEAR_BE; fp->precision = 16; fp->flags = AUDIO_ENCODINGFLAG_EMULATED; break; case 6: strcpy(fp->name, AudioEulinear_be); fp->encoding = AUDIO_ENCODING_ULINEAR_BE; fp->precision = 16; fp->flags = AUDIO_ENCODINGFLAG_EMULATED; break; case 7: strcpy(fp->name, AudioEalaw); fp->encoding = AUDIO_ENCODING_ALAW; fp->precision = 8; fp->flags = AUDIO_ENCODINGFLAG_EMULATED; break; default: return(EINVAL); /*NOTREACHED*/ } return (0); } /* * Setup the ICS mixer in "transparent" mode: reset everything to a sensible * level. Levels as suggested by GUS SDK code. */ STATIC void gus_init_ics2101(sc) struct gus_softc *sc; { struct ics2101_softc *ic = &sc->sc_mixer; sc->sc_mixer.sc_iot = sc->sc_iot; sc->sc_mixer.sc_selio = GUS_MIXER_SELECT; sc->sc_mixer.sc_selio_ioh = sc->sc_ioh3; sc->sc_mixer.sc_dataio = GUS_MIXER_DATA; sc->sc_mixer.sc_dataio_ioh = sc->sc_ioh2; sc->sc_mixer.sc_flags = (sc->sc_revision == 5) ? ICS_FLIP : 0; ics2101_mix_attenuate(ic, GUSMIX_CHAN_MIC, ICSMIX_LEFT, ICSMIX_MIN_ATTN); ics2101_mix_attenuate(ic, GUSMIX_CHAN_MIC, ICSMIX_RIGHT, ICSMIX_MIN_ATTN); /* * Start with microphone muted by the mixer... */ gusics_mic_mute(ic, 1); /* ... and enabled by the GUS master mix control */ gus_mic_ctl(sc, SPKR_ON); ics2101_mix_attenuate(ic, GUSMIX_CHAN_LINE, ICSMIX_LEFT, ICSMIX_MIN_ATTN); ics2101_mix_attenuate(ic, GUSMIX_CHAN_LINE, ICSMIX_RIGHT, ICSMIX_MIN_ATTN); ics2101_mix_attenuate(ic, GUSMIX_CHAN_CD, ICSMIX_LEFT, ICSMIX_MIN_ATTN); ics2101_mix_attenuate(ic, GUSMIX_CHAN_CD, ICSMIX_RIGHT, ICSMIX_MIN_ATTN); ics2101_mix_attenuate(ic, GUSMIX_CHAN_DAC, ICSMIX_LEFT, ICSMIX_MIN_ATTN); ics2101_mix_attenuate(ic, GUSMIX_CHAN_DAC, ICSMIX_RIGHT, ICSMIX_MIN_ATTN); ics2101_mix_attenuate(ic, ICSMIX_CHAN_4, ICSMIX_LEFT, ICSMIX_MAX_ATTN); ics2101_mix_attenuate(ic, ICSMIX_CHAN_4, ICSMIX_RIGHT, ICSMIX_MAX_ATTN); ics2101_mix_attenuate(ic, GUSMIX_CHAN_MASTER, ICSMIX_LEFT, ICSMIX_MIN_ATTN); ics2101_mix_attenuate(ic, GUSMIX_CHAN_MASTER, ICSMIX_RIGHT, ICSMIX_MIN_ATTN); /* unmute other stuff: */ gusics_cd_mute(ic, 0); gusics_dac_mute(ic, 0); gusics_linein_mute(ic, 0); return; } #endif /* NGUS */