Import of Luigi Rizzo's sound code. For more information about the driver

check out the README that is included.

Submitted by:	Luigi Rizzo <luigi@labinfo.iet.unipi.it>

1 files changed, 387 insertions, 0 deletions

diff --git a/sys/dev/pcm/isa/sb.h b/sys/dev/pcm/isa/sb.h
new file mode 100644
index 0000000..8548997
--- /dev/null
+++ b/sys/dev/pcm/isa/sb.h
@@ -0,0 +1,387 @@
+/*
+ * file: sbcard.h
+ */
+
+typedef struct _sbdev_info {
+
+} sbdev_info ;
+
+extern int sbc_major, sbc_minor ;
+/*
+ * sound blaster registers
+ */
+
+#define DSP_RESET	(io_base + 0x6)
+#define DSP_READ	(io_base + 0xA)
+#define DSP_WRITE	(io_base + 0xC)
+#define DSP_COMMAND	(io_base + 0xC)
+#define DSP_STATUS	(io_base + 0xC)
+#define DSP_DATA_AVAIL	(io_base + 0xE)
+#define DSP_DATA_AVL16	(io_base + 0xF)
+#define MIXER_ADDR	(io_base + 0x4)
+#define MIXER_DATA	(io_base + 0x5)
+#define OPL3_LEFT	(io_base + 0x0)
+#define OPL3_RIGHT	(io_base + 0x2)
+#define OPL3_BOTH	(io_base + 0x8)
+
+/*
+ * DSP Commands. There are many, and in many cases they are used explicitly
+ */
+
+#define	DSP_DAC8		0x10	/* direct DAC output */
+#define	DSP_CMD_DAC8		0x14	/* single cycle 8-bit dma out */
+#define	DSP_CMD_DAC2		0x16	/* 2-bit adpcm dma out (cont) */
+#define	DSP_CMD_DAC2S		0x17	/* 2-bit adpcm dma out (start) */
+
+#define	DSP_CMD_DAC8_A		0x1c	/* auto 8-bit dma out */
+#define	DSP_CMD_DAC2S_A		0x1f	/* auto 2-bit adpcm dma out (start) */
+
+#define	DSP_ADC8		0x20	/* direct ADC input */
+
+#define	DSP_CMD_ADC8		0x24	/* single cycle 8-bit dma in */
+#define	DSP_CMD_ADC8_A		0x2c	/* auto 8-bit dma out */
+
+#define	DSP_CMD_O16		0xb0
+#define	DSP_CMD_I16		0xb8
+#define	DSP_CMD_O8		0xc0
+#define	DSP_CMD_I8		0xc8
+
+#define	DSP_MODE_U8MONO		0x00
+#define	DSP_MODE_U8STEREO	0x20
+#define	DSP_MODE_S16MONO	0x10
+#define	DSP_MODE_S16STEREO	0x30
+
+#define DSP_CMD_SPKON		0xD1
+#define DSP_CMD_SPKOFF		0xD3
+#define DSP_CMD_SPKR(on)	(0xD1 | (on ? 0:2))
+#define DSP_CMD_DMAON		0xD0	/* ??? the comment says Halt DMA */
+#define DSP_CMD_DMAOFF		0xD4	/* ??? comment says continue dma */
+
+#define	DSP_CMD_DMAHALT		0xD0
+#define	DSP_CMD_TCONST		0x40	/* set time constant */
+#define	DSP_CMD_HSSIZE		0x48	/* high speed dma count */
+#define	DSP_CMD_HSDAC		0x91	/* high speed dac */
+#define	DSP_CMD_HSADC		0x99	/* high speed adc */
+
+#define	DSP_CMD_GETVER		0xE1
+#define	DSP_CMD_GETID		0xE7	/* return id bytes */
+
+	/* prepare for dma input */
+#define	DSP_CMD_DMAMODE(stereo, bit16) (0xA0 | (stereo ? 8:0) | (bit16 ? 4:0))
+
+#define	DSP_CMD_OUT16		0x41	/* send parms for dma out on sb16 */
+#define	DSP_CMD_IN16		0x42	/* send parms for dma in on sb16 */
+#if 0 /*** unknown ***/
+	/*
+	 * D9 and D5 are used on the sb16 on close... maybe a reset of
+	 * some subsystem ?
+	 */
+#define	DSP_CMD_D9		0xD9
+#define	DSP_CMD_D5		0xD5
+#define	DSP_CMD_FA		0xFA	/* get version from prosonic*/
+#define	DSP_CMD_FB		0xFB	/* set irq/dma for prosonic*/
+#endif
+
+/*
+ * in fact, for the SB16, dma commands are as follows:
+ *
+ *  cmd, mode, len_low, len_high.
+ * 
+ * cmd is a combination of DSP_DMA16 or DSP_DMA8 and
+ */
+
+#define	DSP_DMA16		0xb0
+#define	DSP_DMA8		0xc0
+#   define DSP_F16_DAC		0x00
+#   define DSP_F16_ADC		0x08
+#   define DSP_F16_AUTO		0x04
+#   define DSP_F16_FIFO_ON	0x02
+
+/*
+ * mode is a combination of the following:
+ */
+#define DSP_F16_STEREO	0x20
+#define DSP_F16_SIGNED	0x10
+
+#define IMODE_NONE		0
+#define IMODE_OUTPUT		PCM_ENABLE_OUTPUT
+#define IMODE_INPUT		PCM_ENABLE_INPUT
+#define IMODE_INIT		3
+#define IMODE_MIDI		4
+
+#define NORMAL_MIDI	0
+#define UART_MIDI	1
+
+/*
+ * values used for bd_flags in SoundBlaster driver
+ */
+#define	BD_F_HISPEED	0x0001	/* doing high speed ... */
+
+#define	BD_F_JAZZ16	0x0002	/* jazz16 detected */
+#define	BD_F_JAZZ16_2	0x0004	/* jazz16 type 2 */
+
+#define	BD_F_DUP_MIDI	0x0008	/* duplex midi */
+
+#define	BD_F_MIX_MASK	0x0070	/* up to 8 mixers (I know of 3) */
+#define	BD_F_MIX_CT1335	0x0010	/* CT1335		*/
+#define	BD_F_MIX_CT1345	0x0020	/* CT1345		*/
+#define	BD_F_MIX_CT1745	0x0030	/* CT1745		*/
+
+#define	BD_F_SB16	0x0100	/* this is a SB16 */
+#define	BD_F_NOREC	0x0200	/* recording not supported on this board */
+#define	BD_F_MIDIBUSY	0x0400	/* midi busy */
+
+
+/*
+ * sound/sb_mixer.h
+ * 
+ * Definitions for the SB Pro and SB16 mixers
+ * 
+ * Copyright by Hannu Savolainen 1993
+ * 
+ * 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.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ * 
+ * Modified: Hunyue Yau	Jan 6 1994 Added defines for the Sound Galaxy NX Pro
+ * mixer.
+ * 
+ */
+
+#define SBPRO_RECORDING_DEVICES	\
+    (SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD)
+
+/* Same as SB Pro, unless I find otherwise */
+#define SGNXPRO_RECORDING_DEVICES SBPRO_RECORDING_DEVICES
+
+#define SBPRO_MIXER_DEVICES	\
+    (SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_LINE | SOUND_MASK_MIC | \
+     SOUND_MASK_CD | SOUND_MASK_VOLUME)
+
+/*
+ * SG NX Pro has treble and bass settings on the mixer. The 'speaker' channel
+ * is the COVOX/DisneySoundSource emulation volume control on the mixer. It
+ * does NOT control speaker volume. Should have own mask eventually?
+ */
+#define SGNXPRO_MIXER_DEVICES	\
+    (SBPRO_MIXER_DEVICES | SOUND_MASK_BASS | \
+     SOUND_MASK_TREBLE | SOUND_MASK_SPEAKER )
+
+#define SB16_RECORDING_DEVICES	\
+    (SOUND_MASK_SYNTH | SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD)
+
+#define SB16_MIXER_DEVICES	\
+    (SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_SPEAKER | \
+     SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD | \
+     SOUND_MASK_IGAIN | SOUND_MASK_OGAIN | \
+     SOUND_MASK_VOLUME | SOUND_MASK_BASS | SOUND_MASK_TREBLE)
+
+/*
+ * Mixer registers
+ * 
+ * NOTE!	RECORD_SRC == IN_FILTER
+ */
+
+/*
+ * Mixer registers of SB Pro
+ */
+#define VOC_VOL		0x04
+#define MIC_VOL		0x0A
+#define MIC_MIX		0x0A
+#define RECORD_SRC	0x0C
+#define IN_FILTER	0x0C
+#define OUT_FILTER	0x0E
+#define MASTER_VOL	0x22
+#define FM_VOL		0x26
+#define CD_VOL		0x28
+#define LINE_VOL	0x2E
+#define IRQ_NR		0x80
+#define DMA_NR		0x81
+#define IRQ_STAT	0x82
+
+/*
+ * Additional registers on the SG NX Pro
+ */
+#define COVOX_VOL	0x42
+#define TREBLE_LVL	0x44
+#define BASS_LVL	0x46
+
+#define FREQ_HI         (1 << 3)/* Use High-frequency ANFI filters */
+#define FREQ_LOW        0	/* Use Low-frequency ANFI filters */
+#define FILT_ON         0	/* Yes, 0 to turn it on, 1 for off */
+#define FILT_OFF        (1 << 5)
+
+#define MONO_DAC	0x00
+#define STEREO_DAC	0x02
+
+/*
+ * Mixer registers of SB16
+ */
+#define SB16_IMASK_L	0x3d
+#define SB16_IMASK_R	0x3e
+#define SB16_OMASK	0x3c
+
+
+#ifndef __SB_MIXER_C__
+mixer_tab       sbpro_mix;
+mixer_tab       sb16_mix;
+#ifdef	__SGNXPRO__
+mixer_tab       sgnxpro_mix;
+#endif
+static u_char sb16_recmasks_L[SOUND_MIXER_NRDEVICES];
+static u_char sb16_recmasks_R[SOUND_MIXER_NRDEVICES];
+#else /* __SB_MIXER_C__ defined */
+mixer_tab       sbpro_mix = {
+    PMIX_ENT(SOUND_MIXER_VOLUME,  0x22, 7, 4, 0x22, 3, 4),
+    PMIX_ENT(SOUND_MIXER_BASS,    0x00, 0, 0, 0x00, 0, 0),
+    PMIX_ENT(SOUND_MIXER_TREBLE,  0x00, 0, 0, 0x00, 0, 0),
+    PMIX_ENT(SOUND_MIXER_SYNTH,   0x26, 7, 4, 0x26, 3, 4),
+    PMIX_ENT(SOUND_MIXER_PCM,     0x04, 7, 4, 0x04, 3, 4),
+    PMIX_ENT(SOUND_MIXER_SPEAKER, 0x00, 0, 0, 0x00, 0, 0),
+    PMIX_ENT(SOUND_MIXER_LINE,    0x2e, 7, 4, 0x2e, 3, 4),
+    PMIX_ENT(SOUND_MIXER_MIC,     0x0a, 2, 3, 0x00, 0, 0),
+    PMIX_ENT(SOUND_MIXER_CD,      0x28, 7, 4, 0x28, 3, 4),
+    PMIX_ENT(SOUND_MIXER_IMIX,    0x00, 0, 0, 0x00, 0, 0),
+    PMIX_ENT(SOUND_MIXER_ALTPCM,  0x00, 0, 0, 0x00, 0, 0),
+    PMIX_ENT(SOUND_MIXER_RECLEV,  0x00, 0, 0, 0x00, 0, 0)
+};
+
+#ifdef	__SGNXPRO__
+mixer_tab       sgnxpro_mix = {
+    PMIX_ENT(SOUND_MIXER_VOLUME,  0x22, 7, 4, 0x22, 3, 4),
+    PMIX_ENT(SOUND_MIXER_BASS,    0x46, 2, 3, 0x00, 0, 0),
+    PMIX_ENT(SOUND_MIXER_TREBLE,  0x44, 2, 3, 0x00, 0, 0),
+    PMIX_ENT(SOUND_MIXER_SYNTH,   0x26, 7, 4, 0x26, 3, 4),
+    PMIX_ENT(SOUND_MIXER_PCM,     0x04, 7, 4, 0x04, 3, 4),
+    PMIX_ENT(SOUND_MIXER_SPEAKER, 0x42, 2, 3, 0x00, 0, 0),
+    PMIX_ENT(SOUND_MIXER_LINE,    0x2e, 7, 4, 0x2e, 3, 4),
+    PMIX_ENT(SOUND_MIXER_MIC,     0x0a, 2, 3, 0x00, 0, 0),
+    PMIX_ENT(SOUND_MIXER_CD,      0x28, 7, 4, 0x28, 3, 4),
+    PMIX_ENT(SOUND_MIXER_IMIX,    0x00, 0, 0, 0x00, 0, 0),
+    PMIX_ENT(SOUND_MIXER_ALTPCM,  0x00, 0, 0, 0x00, 0, 0),
+    PMIX_ENT(SOUND_MIXER_RECLEV,  0x00, 0, 0, 0x00, 0, 0),
+    PMIX_ENT(SOUND_MIXER_IGAIN,   0x00, 0, 0, 0x00, 0, 0),
+    PMIX_ENT(SOUND_MIXER_OGAIN,   0x00, 0, 0, 0x00, 0, 0)
+};
+#endif
+
+mixer_tab       sb16_mix = {
+    PMIX_ENT(SOUND_MIXER_VOLUME,  0x30, 3, 5, 0x31, 3, 5),
+    PMIX_ENT(SOUND_MIXER_BASS,    0x46, 4, 4, 0x47, 4, 4),
+    PMIX_ENT(SOUND_MIXER_TREBLE,  0x44, 4, 4, 0x45, 4, 4),
+    PMIX_ENT(SOUND_MIXER_SYNTH,   0x34, 3, 5, 0x35, 3, 5),
+    PMIX_ENT(SOUND_MIXER_PCM,     0x32, 3, 5, 0x33, 3, 5),
+    PMIX_ENT(SOUND_MIXER_SPEAKER, 0x3b, 6, 2, 0x00, 0, 0),
+    PMIX_ENT(SOUND_MIXER_LINE,    0x38, 3, 5, 0x39, 3, 5),
+    PMIX_ENT(SOUND_MIXER_MIC,     0x3a, 3, 5, 0x00, 0, 0),
+    PMIX_ENT(SOUND_MIXER_CD,      0x36, 3, 5, 0x37, 3, 5),
+    PMIX_ENT(SOUND_MIXER_IMIX,    0x00, 0, 0, 0x00, 0, 0),
+    PMIX_ENT(SOUND_MIXER_ALTPCM,  0x00, 0, 0, 0x00, 0, 0),
+    PMIX_ENT(SOUND_MIXER_RECLEV,  0x3f, 6, 2, 0x40, 6, 2), /* Obsol,Use IGAIN*/
+    PMIX_ENT(SOUND_MIXER_IGAIN,   0x3f, 6, 2, 0x40, 6, 2),
+    PMIX_ENT(SOUND_MIXER_OGAIN,   0x41, 6, 2, 0x42, 6, 2)
+};
+
+#ifdef SM_GAMES			/* Master volume is lower and PCM & FM
+				 * volumes higher than with SB Pro. This
+				 * improves the sound quality */
+
+static u_short levels[SOUND_MIXER_NRDEVICES] =
+{
+	0x2020,			/* Master Volume */
+	0x4b4b,			/* Bass */
+	0x4b4b,			/* Treble */
+	0x6464,			/* FM */
+	0x6464,			/* PCM */
+	0x4b4b,			/* PC Speaker */
+	0x4b4b,			/* Ext Line */
+	0x0000,			/* Mic */
+	0x4b4b,			/* CD */
+	0x4b4b,			/* Recording monitor */
+	0x4b4b,			/* SB PCM */
+	0x4b4b,			/* Recording level */
+	0x4b4b,			/* Input gain */
+0x4b4b};			/* Output gain */
+
+#else				/* If the user selected just plain SB Pro */
+
+static u_short levels[SOUND_MIXER_NRDEVICES] =
+{
+	0x5a5a,			/* Master Volume */
+	0x4b4b,			/* Bass */
+	0x4b4b,			/* Treble */
+	0x4b4b,			/* FM */
+	0x4b4b,			/* PCM */
+	0x4b4b,			/* PC Speaker */
+	0x4b4b,			/* Ext Line */
+	0x1010,			/* Mic */
+	0x4b4b,			/* CD */
+	0x4b4b,			/* Recording monitor */
+	0x4b4b,			/* SB PCM */
+	0x4b4b,			/* Recording level */
+	0x4b4b,			/* Input gain */
+0x4b4b};			/* Output gain */
+#endif				/* SM_GAMES */
+
+static u_char sb16_recmasks_L[SOUND_MIXER_NRDEVICES] =
+{
+	0x00,			/* SOUND_MIXER_VOLUME	 */
+	0x00,			/* SOUND_MIXER_BASS	 */
+	0x00,			/* SOUND_MIXER_TREBLE	 */
+	0x40,			/* SOUND_MIXER_SYNTH	 */
+	0x00,			/* SOUND_MIXER_PCM	 */
+	0x00,			/* SOUND_MIXER_SPEAKER	 */
+	0x10,			/* SOUND_MIXER_LINE	 */
+	0x01,			/* SOUND_MIXER_MIC	 */
+	0x04,			/* SOUND_MIXER_CD	 */
+	0x00,			/* SOUND_MIXER_IMIX	 */
+	0x00,			/* SOUND_MIXER_ALTPCM	 */
+	0x00,			/* SOUND_MIXER_RECLEV	 */
+	0x00,			/* SOUND_MIXER_IGAIN	 */
+	0x00			/* SOUND_MIXER_OGAIN	 */
+};
+
+static u_char sb16_recmasks_R[SOUND_MIXER_NRDEVICES] =
+{
+	0x00,			/* SOUND_MIXER_VOLUME	 */
+	0x00,			/* SOUND_MIXER_BASS	 */
+	0x00,			/* SOUND_MIXER_TREBLE	 */
+	0x20,			/* SOUND_MIXER_SYNTH	 */
+	0x00,			/* SOUND_MIXER_PCM	 */
+	0x00,			/* SOUND_MIXER_SPEAKER	 */
+	0x08,			/* SOUND_MIXER_LINE	 */
+	0x01,			/* SOUND_MIXER_MIC	 */
+	0x02,			/* SOUND_MIXER_CD	 */
+	0x00,			/* SOUND_MIXER_IMIX	 */
+	0x00,			/* SOUND_MIXER_ALTPCM	 */
+	0x00,			/* SOUND_MIXER_RECLEV	 */
+	0x00,			/* SOUND_MIXER_IGAIN	 */
+	0x00			/* SOUND_MIXER_OGAIN	 */
+};
+
+/*
+ * Recording sources (SB Pro)
+ */
+#endif /* __SB_MIXER_C__ */
+
+#define SRC_MIC         1	/* Select Microphone recording source */
+#define SRC_CD          3	/* Select CD recording source */
+#define SRC_LINE        7	/* Use Line-in for recording source */
+
+