X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=dosdemo;a=blobdiff_plain;f=libs%2Fmikmod%2Fdrivers%2Fdos%2Fdoswss.h;fp=libs%2Fmikmod%2Fdrivers%2Fdos%2Fdoswss.h;h=ae77bb5cc9998338b64acbdd7ef417b064597b18;hp=0000000000000000000000000000000000000000;hb=cf94899f4f4d8535074db6421245b973d2fcde8c;hpb=8024ae981f39d370af5cceb3cb97f62820b0a120

diff --git a/libs/mikmod/drivers/dos/doswss.h b/libs/mikmod/drivers/dos/doswss.h
new file mode 100644
index 0000000..ae77bb5
--- /dev/null
+++ b/libs/mikmod/drivers/dos/doswss.h
@@ -0,0 +1,217 @@
+/*	MikMod sound library
+	(c) 1998, 1999 Miodrag Vallat and others - see file AUTHORS for
+	complete list.
+
+	This library is free software; you can redistribute it and/or modify
+	it under the terms of the GNU Library General Public License as
+	published by the Free Software Foundation; either version 2 of
+	the License, or (at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU Library General Public License for more details.
+
+	You should have received a copy of the GNU Library General Public
+	License along with this library; if not, write to the Free Software
+	Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+	02111-1307, USA.
+*/
+
+/*==============================================================================
+
+  $Id$
+
+  Windows Sound System and compatible soundcards definitions
+
+==============================================================================*/
+
+#ifndef __DOSWSS_H__
+#define __DOSWSS_H__
+
+#include "dosdma.h"
+#include "dosirq.h"
+
+#define WSS_ADDR			(wss.port + 0x04)
+#define WSS_DATA			(wss.port + 0x05)
+#define WSS_STATUS			(wss.port + 0x06)
+#define WSS_PIO				(wss.port + 0x07)
+
+/* WSS_ADDR: Bits 0-4 select an internal register to read/write */
+#define WSSR_INPUT_L			0x00	/* Left input control register */
+#define WSSR_INPUT_R			0x01	/* RIght input control register */
+#define WSSR_AUX1_L			0x02	/* Left Aux #1 input control */
+#define WSSR_AUX1_R			0x03	/* Right Aux #1 input control */
+#define WSSR_CD_L			0x04	/* Left Aux #2 input control */
+#define WSSR_CD_R			0x05	/* Right Aux #2 input control */
+#define WSSR_MASTER_L			0x06	/* Left output control */
+#define WSSR_MASTER_R			0x07	/* Right output control */
+#define WSSR_PLAY_FORMAT		0x08	/* Clock and data format */
+#define WSSR_IFACE_CTRL			0x09	/* Interface control */
+#define WSSR_PIN_CTRL			0x0a	/* Pin control */
+#define WSSR_TEST_INIT			0x0b	/* Test and initialization */
+#define WSSR_MISC_INFO			0x0c	/* Miscellaneaous information */
+#define WSSR_LOOPBACK			0x0d	/* Digital Mix */
+#define WSSR_COUNT_HIGH			0x0e	/* Playback Upper Base Count */
+#define WSSR_COUNT_LOW			0x0f	/* Playback Lower Base Count */
+#define WSSR_ALT_FEATURE_1		0x10	/* alternate #1 feature enable */
+#define WSSR_ALT_FEATURE_2		0x11	/* alternate #2 feature enable */
+#define WSSR_LINE_IN_L			0x12	/* left line input control */
+#define WSSR_LINE_IN_R			0x13	/* right line input control */
+#define WSSR_TIMER_LOW			0x14	/* timer low byte */
+#define WSSR_TIMER_HIGH			0x15	/* timer high byte */
+#define WSSR_IRQ_STATUS			0x18	/* irq status register */
+#define WSSR_MONO_IO_CTRL		0x1a	/* mono input/output control */
+#define WSSR_REC_FORMAT			0x1c	/* record format */
+#define WSSR_REC_COUNT_HIGH		0x1e	/* record upper count */
+#define WSSR_REC_COUNT_LOW		0x1f	/* record lower count */
+
+/* WSS_ADDR bits 7-5 definition */
+#define WSSM_INIT			0x80	/* Codec is initializing */
+#define WSSM_MCE			0x40	/* Mode change enable */
+#define WSSM_TRD			0x20	/* Transfer Request Disable */
+/* bits 4-0 are indirect register address (0-15) */
+
+/* WSS_STATUS bit masks */
+#define WSSM_CUL			0x80	/* Capture data upper/lower byte */
+#define WSSM_CLR			0x40	/* Capture left/right sample */
+#define WSSM_CRDY			0x20	/* Capture data read */
+#define WSSM_SOUR			0x10	/* Playback over/under run error */
+#define WSSM_PUL			0x08	/* Playback upper/lower byte */
+#define WSSM_PLR			0x04	/* Playback left/right sample */
+#define WSSM_PRDY			0x02	/* Playback data register read */
+#define WSSM_INT			0x01	/* interrupt status */
+
+/* Definitions for output level registers */
+#define WSSM_MUTE			0x80	/* Mute this output source */
+/* bits 5-0 are left output attenuation select (0-63) */
+/* bits 5-0 are right output attenuation select (0-63) */
+
+/* Definitions for clock and data format register (WSSR_PLAY_FORMAT) */
+#define WSSM_STEREO			0x10	/* stero mode */
+#define WSSM_ULAW_8			0x20	/* 8-bit U-law companded */
+#define WSSM_16BITS			0x40	/* 16 bit twos complement data - little endian */
+#define WSSM_ALAW_8			0x60	/* 8-bit A-law companded */
+#define WSSM_16BITS_BE			0xc0	/* 16-bit twos complement data - big endian */
+#define WSSM_ADPCM_16			0xa0	/* 16-bit ADPCM */
+/* Bits 3-1 define frequency divisor */
+#define WSSM_XTAL1			0x00	/* 24.576 crystal */
+#define WSSM_XTAL2			0x01	/* 16.9344 crystal */
+
+/* Definitions for interface control register (WSSR_IFACE_CTRL) */
+#define WSSM_CAPTURE_PIO		0x80	/* Capture PIO enable */
+#define WSSM_PLAYBACK_PIO		0x40	/* Playback PIO enable */
+#define WSSM_AUTOCALIB			0x08	/* auto calibrate */
+#define WSSM_SINGLE_DMA			0x04	/* Use single DMA channel */
+#define WSSM_PLAYBACK_ENABLE		0x01	/* playback enable */
+
+/* Definitions for Pin control register (WSSR_PIN_CTRL) */
+#define WSSM_IRQ_ENABLE			0x02	/* interrupt enable */
+#define WSSM_XCTL1			0x40	/* external control #1 */
+#define WSSM_XCTL0			0x80	/* external control #0 */
+
+/* Definitions for WSSR_TEST_INIT register */
+#define WSSM_CALIB_IN_PROGRESS 0x20	/* auto calibrate in progress */
+
+/* Definitions for misc control register (WSR_MISC_INFO) */
+#define WSSM_MODE2			0x40	/* MODE 2 */
+#define WSSM_MODE3			0x6c	/* MODE 3 - enhanced mode */
+
+/* Definitions for codec irq status (WSSR_IRQ_STATUS) */
+#define WSSM_PLAYBACK_IRQ		0x10
+#define WSSM_RECORD_IRQ			0x20
+#define WSSM_TIMER_IRQ			0x40
+
+typedef unsigned char boolean;
+
+#ifndef FALSE
+#define FALSE				0
+#define TRUE				1
+#endif
+
+/* Play mode bits */
+#define WSSMODE_16BITS			0x0001
+#define WSSMODE_STEREO			0x0002
+#define WSSMODE_SIGNED			0x0004
+
+/* You can fill some members of this struct (i.e. port,irq,dma) before
+ * calling wss_detect() or wss_open()... this will ignore environment settings.
+ */
+typedef struct __wss_state_s {
+	boolean ok;			/* Set if this structure is properly filled */
+	int port;			/* Base codec port */
+	int irq;			/* codec IRQ */
+	int dma;			/* codec DMA */
+	struct irq_handle *irq_handle;	/* The interrupt handler */
+	dma_buffer *dma_buff;		/* Pre-allocated DMA buffer */
+	unsigned char mode;		/* Current WSS mode (WSSMODE_XXX) */
+	boolean open;			/* Whenever the card has been opened */
+	int samples;			/* Number of samples in DMA buffer */
+	unsigned char level;		/* Output level (63..0): doesn't change when mute */
+	unsigned char curlevel;		/* Current output level (63(min)..0(max)) */
+	volatile int irqcount;		/* Incremented on each IRQ... for diagnostics */
+	void (*timer_callback) ();	/* Called TWICE per buffer play */
+} __wss_state;
+
+extern __wss_state wss;
+
+/* Wait until codec finishes initialization */
+static inline boolean __wss_wait()
+{
+	int count;
+	for (count = 10000; count >= 0; count--)
+		if (!(inportb(WSS_ADDR) & WSSM_INIT))
+			return TRUE;
+	return FALSE;
+}
+
+static inline void __wss_outreg(unsigned char reg, unsigned char val)
+{
+	outportb(WSS_ADDR, reg);
+	outportb(WSS_DATA, val);
+}
+
+static inline unsigned char __wss_inreg(unsigned char reg)
+{
+	outportb(WSS_ADDR, reg);
+	return inportb(WSS_DATA);
+}
+
+/* Set some bits in a specific register */
+static inline void __wss_regbit_set(unsigned char reg, unsigned char mask)
+{
+	outportb(WSS_ADDR, reg);
+	outportb(WSS_DATA, inportb(WSS_DATA) | mask);
+}
+
+/* Reset some bits in a specific register */
+static inline void __wss_regbit_reset(unsigned char reg, unsigned char mask)
+{
+	outportb(WSS_ADDR, reg);
+	outportb(WSS_DATA, inportb(WSS_DATA) & ~mask);
+}
+
+/* Detect whenever WSS is present and fill "wss" structure */
+extern boolean wss_detect();
+/* Reset WSS */
+extern void wss_reset();
+/* Open WSS for usage */
+extern boolean wss_open();
+/* Finish working with WSS */
+extern boolean wss_close();
+/* Enable/disable speaker output */
+extern void wss_output(boolean enable);
+/* Adjust frequency rate to nearest WSS available */
+extern unsigned int wss_adjust_freq(unsigned int freq);
+/* Start playing from DMA buffer in either 8/16 bit mono/stereo */
+extern boolean wss_start_dma(unsigned char mode, unsigned int freq);
+/* Stop playing from DMA buffer */
+extern void wss_stop_dma();
+/* Query current position/total size of the DMA buffer */
+extern void wss_query_dma(unsigned int *dma_size, unsigned int *dma_pos);
+/* Set output level (0(min)-63(max)) */
+extern void wss_level(int level);
+
+#endif /* __DOSWSS_H__ */
+
+/* ex:set ts=4: */