initial import of NetBSD tree

1 files changed, 263 insertions, 0 deletions

diff --git a/sys/dev/isa/gusreg.h b/sys/dev/isa/gusreg.h
new file mode 100644
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+++ b/sys/dev/isa/gusreg.h
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+/* $NetBSD: gusreg.h,v 1.1 1995/07/19 19:58:47 brezak Exp $ */
+/*-
+ * Copyright (c) 1995 John T. Kohl.  All Rights Reserved.
+ * Copyright (c) 1994 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ken Hornstein.
+ *
+ * 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 University of
+ *      California, Berkeley and its contributors.
+ * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
+ *
+ * $Id: gusreg.h,v 1.1 1995/10/18 08:52:34 deraadt Exp $
+ */
+
+/*
+ * Register definitions of Gravis UltraSound card
+ */
+
+/*
+ * MIDI control registers.  Essentially a MC6850 UART.  Note the MC6850's
+ * "feature" of having read-only and write-only registers combined on one
+ * address.
+ */
+
+#define GUS_MIDI_CONTROL	0x100
+#define GUS_MIDI_STATUS		0x100
+#define GUS_MIDI_READ		0x101
+#define GUS_MIDI_WRITE		0x101
+
+/*
+ * Joystick interface - note this is an absolute address, NOT an offset from
+ * the GUS base address.
+ */
+
+#define GUS_JOYSTICK		0x201
+
+/*
+ * GUS control registers
+ */
+
+#define GUS_MIX_CONTROL		0x000
+#define GUS_IRQ_STATUS		0x006
+#define GUS_TIMER_CONTROL	0x008
+#define GUS_TIMER_DATA		0x009
+#define GUS_REG_CONTROL		0x00f	/* rev 3.4 or later only: select reg
+					   at 2XB */
+#define		GUS_REG_NORMAL		0x00 /* IRQ/DMA as usual */
+#define		GUS_REG_IRQCTL		0x05 /* IRQ ctl: write 0 to clear IRQ state */
+#define		GUS_REG_JUMPER		0x06 /* jumper control: */
+#define		GUS_JUMPER_MIDIEN	0x02 /* bit: enable MIDI ports */
+#define		GUS_JUMPER_JOYEN	0x04 /* bit: enable joystick ports */
+
+#define GUS_IRQ_CONTROL		0x00b
+#define GUS_DMA_CONTROL		0x00b
+#define GUS_IRQCTL_CONTROL	0x00b
+#define GUS_JUMPER_CONTROL	0x00b
+#define GUS_VOICE_SELECT	0x102
+#define GUS_REG_SELECT		0x103
+#define GUS_DATA_LOW		0x104
+#define GUS_DATA_HIGH		0x105
+#define GUS_DRAM_DATA		0x107
+
+/*
+ * GUS on-board global registers
+ */
+
+#define GUSREG_DMA_CONTROL	0x41
+#define GUSREG_DMA_START	0x42
+#define GUSREG_DRAM_ADDR_LOW	0x43
+#define GUSREG_DRAM_ADDR_HIGH	0x44
+#define GUSREG_TIMER_CONTROL	0x45
+#define GUSREG_TIMER1_COUNT	0x46	/* count-up, then interrupt, 80usec */
+#define GUSREG_TIMER2_COUNT	0x47	/* count-up, then interrupt, 320usec */
+#define GUSREG_SAMPLE_FREQ	0x48	/* 9878400/(16*(rate+2)) */
+#define GUSREG_SAMPLE_CONTROL	0x49
+#define GUSREG_JOYSTICK_TRIM	0x4b
+#define GUSREG_RESET		0x4c
+
+/*
+ * GUS voice specific registers (some of which aren't!).  Add 0x80 to these
+ * registers for reads
+ */
+
+#define GUSREG_READ		0x80
+#define GUSREG_VOICE_CNTL	0x00
+#define GUSREG_FREQ_CONTROL	0x01
+#define GUSREG_START_ADDR_HIGH	0x02
+#define GUSREG_START_ADDR_LOW	0x03
+#define GUSREG_END_ADDR_HIGH	0x04
+#define GUSREG_END_ADDR_LOW	0x05
+#define GUSREG_VOLUME_RATE	0x06
+#define GUSREG_START_VOLUME	0x07
+#define GUSREG_END_VOLUME	0x08
+#define GUSREG_CUR_VOLUME	0x09
+#define GUSREG_CUR_ADDR_HIGH	0x0a
+#define GUSREG_CUR_ADDR_LOW	0x0b
+#define GUSREG_PAN_POS		0x0c
+#define GUSREG_VOLUME_CONTROL	0x0d
+#define GUSREG_ACTIVE_VOICES	0x0e	/* voice-independent:set voice count */
+#define GUSREG_IRQ_STATUS	0x8f	/* voice-independent */
+
+#define GUS_PAN_FULL_LEFT	0x0
+#define GUS_PAN_FULL_RIGHT	0xf
+
+/*
+ * GUS Bitmasks for reset register
+ */
+
+#define GUSMASK_MASTER_RESET	0x01
+#define GUSMASK_DAC_ENABLE	0x02
+#define GUSMASK_IRQ_ENABLE	0x04
+
+/*
+ * Bitmasks for IRQ status port
+ */
+
+#define GUSMASK_IRQ_MIDIXMIT	0x01		/* MIDI transmit IRQ */
+#define GUSMASK_IRQ_MIDIRCVR	0x02		/* MIDI received IRQ */
+#define GUSMASK_IRQ_TIMER1	0x04		/* timer 1 IRQ */
+#define GUSMASK_IRQ_TIMER2	0x08		/* timer 2 IRQ */
+#define GUSMASK_IRQ_RESERVED	0x10		/* Reserved (set to 0) */
+#define GUSMASK_IRQ_VOICE	0x20		/* Wavetable IRQ (any voice) */
+#define GUSMASK_IRQ_VOLUME	0x40		/* Volume ramp IRQ (any voc) */
+#define GUSMASK_IRQ_DMATC	0x80		/* DMA transfer complete */
+
+/*
+ * Bitmasks for sampling control register
+ */
+#define	GUSMASK_SAMPLE_START	0x01		/* start sampling */
+#define	GUSMASK_SAMPLE_STEREO	0x02		/* mono or stereo */
+#define	GUSMASK_SAMPLE_DATA16	0x04		/* 16-bit DMA channel */
+#define	GUSMASK_SAMPLE_IRQ	0x20		/* enable IRQ */
+#define	GUSMASK_SAMPLE_DMATC	0x40		/* DMA transfer complete */
+#define	GUSMASK_SAMPLE_INVBIT	0x80		/* invert MSbit */
+
+/*
+ * Bitmasks for IRQ status register (different than IRQ status _port_ - the
+ * register is internal to the GUS)
+ */
+
+#define GUSMASK_WIRQ_VOLUME	0x40		/* Flag for volume interrupt */
+#define GUSMASK_WIRQ_VOICE	0x80		/* Flag for voice interrupt */
+#define GUSMASK_WIRQ_VOICEMASK	0x1f		/* Bits holding voice # */
+
+/*
+ * GUS bitmasks for built-in mixer control (separate from the ICS or CS chips)
+ */
+
+#define GUSMASK_LINE_IN		0x01		/* 0=enable */
+#define GUSMASK_LINE_OUT	0x02		/* 0=enable */
+#define GUSMASK_MIC_IN		0x04		/* 1=enable */
+#define GUSMASK_LATCHES		0x08		/* enable IRQ latches */
+#define GUSMASK_COMBINE		0x10		/* combine Ch 1 IRQ & Ch 2 (MIDI) */
+#define GUSMASK_MIDI_LOOPBACK	0x20		/* MIDI loopback */
+#define GUSMASK_CONTROL_SEL	0x40		/* Select control register */
+
+#define GUSMASK_BOTH_RQ		0x40		/* Combine both RQ lines */
+
+/*
+ * GUS bitmaks for DMA control
+ */
+
+#define GUSMASK_DMA_ENABLE	0x01		/* Enable DMA transfer */
+#define GUSMASK_DMA_READ	0x02		/* 1=read, 0=write */
+#define GUSMASK_DMA_WRITE	0x00		/* for consistancy */
+#define GUSMASK_DMA_WIDTH	0x04		/* Data transfer width */
+#define GUSMASK_DMA_R0		0x00		/* Various DMA speeds */
+#define GUSMASK_DMA_R1		0x08
+#define GUSMASK_DMA_R2		0x10
+#define GUSMASK_DMA_R3		0x18
+#define GUSMASK_DMA_IRQ		0x20		/* Enable DMA to IRQ */
+#define GUSMASK_DMA_IRQPEND	0x40		/* DMA IRQ pending */
+#define GUSMASK_DMA_DATA_SIZE	0x40		/* 0=8 bit, 1=16 bit */
+#define GUSMASK_DMA_INVBIT	0x80		/* invert high bit */
+
+/*
+ * GUS bitmasks for voice control
+ */
+
+#define GUSMASK_VOICE_STOPPED	0x01		/* The voice is stopped */
+#define GUSMASK_STOP_VOICE	0x02		/* Force voice to stop */
+#define GUSMASK_DATA_SIZE16	0x04		/* 1=16 bit, 0=8 bit data */
+#define GUSMASK_LOOP_ENABLE	0x08		/* Loop voice at end */
+#define	GUSMASK_VOICE_BIDIR	0x10		/* Bi-directional looping */
+#define GUSMASK_VOICE_IRQ	0x20		/* Enable the voice IRQ */
+#define GUSMASK_INCR_DIR	0x40		/* Direction of address incr */
+#define GUSMASK_VOICE_IRQPEND	0x80		/* Pending IRQ for voice */
+
+/*
+ * Bitmasks for volume control
+ */
+
+#define GUSMASK_VOLUME_STOPPED	0x01		/* Volume ramping stopped */
+#define GUSMASK_STOP_VOLUME	0x02		/* Manually stop volume */
+#define GUSMASK_VOICE_ROLL	0x04		/* Roll over/low water condition */
+#define GUSMASK_VOLUME_LOOP	0x08		/* Volume ramp looping */
+#define GUSMASK_VOLUME_BIDIR	0x10		/* Bi-dir volume looping */
+#define GUSMASK_VOLUME_IRQ	0x20		/* IRQ on end of volume ramp */
+#define GUSMASK_VOLUME_DIR	0x40		/* Direction of volume ramp */
+#define GUSMASK_VOLUME_IRQPEND	0x80		/* Pending volume IRQ */
+#define MIDI_RESET		0x03
+
+/*
+ * ICS Mixer registers
+ */
+
+#define GUS_MIXER_SELECT	0x506		/* read=board rev, wr=mixer */
+#define GUS_BOARD_REV		0x506
+#define GUS_MIXER_DATA		0x106		/* data for mixer control */
+
+#define GUSMIX_CHAN_MIC		ICSMIX_CHAN_0
+#define GUSMIX_CHAN_LINE	ICSMIX_CHAN_1
+#define GUSMIX_CHAN_CD		ICSMIX_CHAN_2
+#define GUSMIX_CHAN_DAC		ICSMIX_CHAN_3
+#define GUSMIX_CHAN_MASTER	ICSMIX_CHAN_5
+
+/*
+ * Codec/Mixer registers
+ */
+
+/* all these get +4 more in ad1848, sigh. */
+#define GUS_MAX_CODEC_BASE		0x108
+#define GUS_DAUGHTER_CODEC_BASE		0x52C
+#define GUS_DAUGHTER_CODEC_BASE2	0x600
+#define GUS_DAUGHTER_CODEC_BASE3	0xE7C
+#define GUS_DAUGHTER_CODEC_BASE4	0xF3C
+
+#define GUS_CODEC_SELECT	4	/* base + 0 */
+#define GUS_CODEC_DATA		5	/* base + 1 */
+#define GUS_CODEC_STATUS	6	/* base + 2 */
+#define GUS_CODEC_PIO		7	/* base + 3 */
+
+#define GUS_MAX_CTRL		0x106
+#define	GUS_MAX_BASEBITS	0xf	/* sets middle nibble of 3X6 */
+#define	GUS_MAX_RECCHAN16	0x10	/* 0=8bit DMA read, 1=16bit DMA read */
+#define	GUS_MAX_PLAYCHAN16	0x20	/* 0=8bit, 1=16bit */
+#define GUS_MAX_CODEC_ENABLE	0x40	/* 0=disable, 1=enable */