new timeouts; spaces

4 files changed, 86 insertions, 80 deletions

diff --git a/sys/dev/isa/ess.c b/sys/dev/isa/ess.c
index 54c8e89c94e..89f257f1875 100644
--- a/sys/dev/isa/ess.c
+++ b/sys/dev/isa/ess.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ess.c,v 1.2 1999/09/30 22:13:52 kstailey Exp $	*/
+/*	$OpenBSD: ess.c,v 1.3 2001/01/29 06:27:59 mickey Exp $	*/
 /*	$NetBSD: ess.c,v 1.44.4.1 1999/06/21 01:18:00 thorpej Exp $	*/
 
 /*
@@ -45,8 +45,8 @@
 **
 **  MODULE DESCRIPTION:
 **
-**      This module contains the device driver for the ESS
-**      Technologies 1888/1887/888 sound chip. The code in sbdsp.c was
+**	This module contains the device driver for the ESS
+**	Technologies 1888/1887/888 sound chip. The code in sbdsp.c was
 **	used as a reference point when implementing this driver.
 **
 **  AUTHORS:
@@ -54,7 +54,7 @@
 **	Blair Fidler	Software Engineering Australia
 **			Gold Coast, Australia.
 **
-**  CREATION DATE:  
+**  CREATION DATE:
 **
 **	March 10, 1997.
 **
@@ -74,6 +74,7 @@
 #include <sys/device.h>
 #include <sys/proc.h>
 #include <sys/kernel.h>
+#include <sys/timeout.h>
 
 #include <machine/cpu.h>
 #include <machine/intr.h>
@@ -119,10 +120,10 @@ void	ess_1788_close __P((void *));
 void	ess_1888_close __P((void *));
 int	ess_getdev __P((void *, struct audio_device *));
 int	ess_drain __P((void *));
-	
+
 int	ess_query_encoding __P((void *, struct audio_encoding *));
 
-int	ess_set_params __P((void *, int, int, struct audio_params *, 
+int	ess_set_params __P((void *, int, int, struct audio_params *,
 	    struct audio_params *));
 
 int	ess_round_blocksize __P((void *, int));
@@ -143,7 +144,7 @@ void	ess_audio2_poll __P((void *));
 int	ess_speaker_ctl __P((void *, int));
 
 int	ess_getdev __P((void *, struct audio_device *));
-	
+
 int	ess_set_port __P((void *, mixer_ctrl_t *));
 int	ess_get_port __P((void *, mixer_ctrl_t *));
 
@@ -276,7 +277,7 @@ ess_printsc(sc)
 	struct ess_softc *sc;
 {
 	int i;
-    
+
 	printf("open %d iobase 0x%x outport %u inport %u speaker %s\n",
 	       (int)sc->sc_open, sc->sc_iobase, sc->out_port,
 	       sc->in_port, sc->spkr_state ? "on" : "off");
@@ -415,7 +416,7 @@ ess_config_addr(sc)
 	/* Write the base address information into SCR[0]. */
 	EWRITE1(iot, scr_ioh, ESS_SCR_INDEX, 0);
 	EWRITE1(iot, scr_ioh, ESS_SCR_DATA, scr_value);
-	
+
 	/* Lock the SCR. */
 	EWRITE1(iot, scr_access_ioh, ESS_SCR_LOCK, 0);
 
@@ -473,7 +474,7 @@ ess_config_irq(sc)
 			break;
 #ifdef DIAGNOSTIC
 		default:
-			printf("ess_config_irq: configured irq %d not supported for Audio 1\n", 
+			printf("ess_config_irq: configured irq %d not supported for Audio 1\n",
 			       sc->sc_audio1.irq);
 			return;
 #endif
@@ -509,7 +510,7 @@ ess_config_irq(sc)
 			break;
 #ifdef DIAGNOSTIC
 		default:
-			printf("ess: configured irq %d not supported for Audio 1\n", 
+			printf("ess: configured irq %d not supported for Audio 1\n",
 			       sc->sc_audio1.irq);
 			return;
 #endif
@@ -522,11 +523,11 @@ ess_config_irq(sc)
 
 	if (sc->sc_audio2.polled) {
 		/* Turn off Audio2 interrupts. */
-		ess_clear_mreg_bits(sc, ESS_MREG_AUDIO2_CTRL2, 
+		ess_clear_mreg_bits(sc, ESS_MREG_AUDIO2_CTRL2,
 				    ESS_AUDIO2_CTRL2_IRQ2_ENABLE);
 	} else {
 		/* Audio2 is hardwired to INTRE in this mode. */
-		ess_set_mreg_bits(sc, ESS_MREG_AUDIO2_CTRL2, 
+		ess_set_mreg_bits(sc, ESS_MREG_AUDIO2_CTRL2,
 				  ESS_AUDIO2_CTRL2_IRQ2_ENABLE);
 	}
 }
@@ -554,7 +555,7 @@ ess_config_drq(sc)
 		break;
 #ifdef DIAGNOSTIC
 	default:
-		printf("ess_config_drq: configured dma chan %d not supported for Audio 1\n", 
+		printf("ess_config_drq: configured dma chan %d not supported for Audio 1\n",
 		       sc->sc_audio1.drq);
 		return;
 #endif
@@ -582,19 +583,19 @@ ess_config_drq(sc)
 		break;
 #ifdef DIAGNOSTIC
 	default:
-		printf("ess_config_drq: configured dma chan %d not supported for Audio 2\n", 
+		printf("ess_config_drq: configured dma chan %d not supported for Audio 2\n",
 		       sc->sc_audio2.drq);
 		return;
 #endif
 	}
 	ess_write_mix_reg(sc, ESS_MREG_AUDIO2_CTRL3, v);
 	/* Enable DMA 2 */
-	ess_set_mreg_bits(sc, ESS_MREG_AUDIO2_CTRL2, 
+	ess_set_mreg_bits(sc, ESS_MREG_AUDIO2_CTRL2,
 			  ESS_AUDIO2_CTRL2_DMA_ENABLE);
 }
 
-/* 
- * Set up registers after a reset. 
+/*
+ * Set up registers after a reset.
  */
 void
 ess_setup(sc)
@@ -611,7 +612,7 @@ ess_setup(sc)
  * Determine the model of ESS chip we are talking to.  Currently we
  * only support ES1888, ES1887 and ES888.  The method of determining
  * the chip is based on the information on page 27 of the ES1887 data
- * sheet. 
+ * sheet.
  *
  * This routine sets the values of sc->sc_model and sc->sc_version.
  */
@@ -660,9 +661,9 @@ ess_identify(sc)
 	 */
 	reg1 = ess_read_mix_reg(sc, ESS_MREG_VOLUME_CTRL);
 	reg2 = reg1 ^ 0x04;  /* toggle bit 2 */
-	
+
 	ess_write_mix_reg(sc, ESS_MREG_VOLUME_CTRL, reg2);
-	
+
 	if (ess_read_mix_reg(sc, ESS_MREG_VOLUME_CTRL) != reg2) {
 		printf("ess: Hardware error (unable to toggle bit 2 of mixer register 0x64)\n");
 		return 1;
@@ -675,7 +676,7 @@ ess_identify(sc)
 
 
 	/*
-	 * 3. Verify we can change the value of mixer register 
+	 * 3. Verify we can change the value of mixer register
 	 *    ESS_MREG_SAMPLE_RATE.
 	 *    This is possible on the 1888/1887/888, but not on the 1788.
 	 *    It is not necessary to restore the value of this mixer register.
@@ -684,7 +685,7 @@ ess_identify(sc)
 	reg2 = reg1 ^ 0xff;  /* toggle all bits */
 
 	ess_write_mix_reg(sc, ESS_MREG_SAMPLE_RATE, reg2);
-	
+
 	if (ess_read_mix_reg(sc, ESS_MREG_SAMPLE_RATE) != reg2) {
 		/* If we got this far before failing, it's a 1788. */
 		sc->sc_model = ESS_1788;
@@ -713,9 +714,9 @@ ess_identify(sc)
 		 */
 		reg1 = ess_read_mix_reg(sc, ESS_MREG_VOLUME_CTRL);
 		reg2 = reg1 ^ 0x20;  /* toggle bit 5 */
-	
+
 		ess_write_mix_reg(sc, ESS_MREG_VOLUME_CTRL, reg2);
-	
+
 		if (ess_read_mix_reg(sc, ESS_MREG_VOLUME_CTRL) == reg2) {
 			sc->sc_model = ESS_1887;
 
@@ -762,7 +763,7 @@ ess_identify(sc)
 				sc->sc_model = ESS_888;
 			else
 				sc->sc_model = ESS_1888;
-		
+
 			/*
 			 * Restore the original value of the registers.
 			 */
@@ -811,7 +812,7 @@ essmatch(sc)
 	if (ess_config_addr(sc))
 		return (0);
 
-	if (ess_setup_sc(sc, 1)) 
+	if (ess_setup_sc(sc, 1))
 		return (0);
 
 	if (sc->sc_model == ESS_UNSUPPORTED) {
@@ -839,8 +840,8 @@ essmatch(sc)
 		if (!isa_drq_isfree(sc->sc_isa, sc->sc_audio2.drq))
 			return (0);
 	}
-	
-	/* 
+
+	/*
 	 * The 1887 has an additional IRQ mode where both channels are mapped
 	 * to the same IRQ.
 	 */
@@ -895,7 +896,7 @@ essattach(sc)
 		return;
 	}
 
-	printf(": ESS Technology ES%s [version 0x%04x]\n", 
+	printf(": ESS Technology ES%s [version 0x%04x]\n",
 	       essmodel[sc->sc_model], sc->sc_version);
 
 	sc->sc_audio1.polled = sc->sc_audio1.irq == -1;
@@ -932,7 +933,10 @@ essattach(sc)
 		}
 	}
 
-	/* 
+	timeout_set(&sc->sc_tmo1, ess_audio1_poll, sc);
+	timeout_set(&sc->sc_tmo2, ess_audio2_poll, sc);
+
+	/*
 	 * Set record and play parameters to default values defined in
 	 * generic audio driver.
 	 */
@@ -1032,7 +1036,7 @@ ess_open(addr, flags)
 	struct ess_softc *sc = addr;
 
 	DPRINTF(("ess_open: sc=%p\n", sc));
-    
+
 	if (sc->sc_open != 0 || ess_reset(sc) != 0)
 		return ENXIO;
 
@@ -1214,7 +1218,7 @@ ess_set_params(addr, setmode, usemode, play, rec)
 			return (EINVAL);
 	}
 
-	for (mode = AUMODE_RECORD; mode != -1; 
+	for (mode = AUMODE_RECORD; mode != -1;
 	     mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
 		if ((setmode & mode) == 0)
 			continue;
@@ -1299,7 +1303,7 @@ ess_audio1_trigger_output(addr, start, end, blksize, intr, arg, param)
 		sc->sc_audio1.buffersize = (char *)end - (char *)start;
 		sc->sc_audio1.dmacount = 0;
 		sc->sc_audio1.blksize = blksize;
-		timeout(ess_audio1_poll, sc, hz/30);
+		timeout_add(&sc->sc_tmo1, hz/30);
 	}
 
 	reg = ess_read_x_reg(sc, ESS_XCMD_AUDIO_CTRL);
@@ -1329,7 +1333,7 @@ ess_audio1_trigger_output(addr, start, end, blksize, intr, arg, param)
 	reg |= ESS_AUDIO1_CTRL1_FIFO_CONNECT;
 	ess_write_x_reg(sc, ESS_XCMD_AUDIO1_CTRL1, reg);
 
-	isa_dmastart(sc->sc_isa, sc->sc_audio1.drq, start, 
+	isa_dmastart(sc->sc_isa, sc->sc_audio1.drq, start,
 		     (char *)end - (char *)start, NULL,
 	    DMAMODE_WRITE | DMAMODE_LOOP, BUS_DMA_NOWAIT);
 
@@ -1342,7 +1346,7 @@ ess_audio1_trigger_output(addr, start, end, blksize, intr, arg, param)
 	ess_set_xreg_bits(sc, ESS_XCMD_DEMAND_CTRL, ESS_DEMAND_CTRL_DEMAND_4);
 
 	/* Start auto-init DMA */
-  	ess_wdsp(sc, ESS_ACMD_ENABLE_SPKR);
+	ess_wdsp(sc, ESS_ACMD_ENABLE_SPKR);
 	reg = ess_read_x_reg(sc, ESS_XCMD_AUDIO1_CTRL2);
 	reg &= ~(ESS_AUDIO1_CTRL2_DMA_READ | ESS_AUDIO1_CTRL2_ADC_ENABLE);
 	reg |= ESS_AUDIO1_CTRL2_FIFO_ENABLE | ESS_AUDIO1_CTRL2_AUTO_INIT;
@@ -1377,7 +1381,7 @@ ess_audio2_trigger_output(addr, start, end, blksize, intr, arg, param)
 		sc->sc_audio2.buffersize = (char *)end - (char *)start;
 		sc->sc_audio2.dmacount = 0;
 		sc->sc_audio2.blksize = blksize;
-		timeout(ess_audio2_poll, sc, hz/30);
+		timeout_add(&sc->sc_tmo2, hz/30);
 	}
 
 	reg = ess_read_mix_reg(sc, ESS_MREG_AUDIO2_CTRL2);
@@ -1396,7 +1400,7 @@ ess_audio2_trigger_output(addr, start, end, blksize, intr, arg, param)
 		reg &= ~ESS_AUDIO2_CTRL2_FIFO_SIGNED;
 	ess_write_mix_reg(sc, ESS_MREG_AUDIO2_CTRL2, reg);
 
-	isa_dmastart(sc->sc_isa, sc->sc_audio2.drq, start, 
+	isa_dmastart(sc->sc_isa, sc->sc_audio2.drq, start,
 		     (char *)end - (char *)start, NULL,
 	    DMAMODE_WRITE | DMAMODE_LOOP, BUS_DMA_NOWAIT);
 
@@ -1446,7 +1450,7 @@ ess_audio1_trigger_input(addr, start, end, blksize, intr, arg, param)
 		sc->sc_audio1.buffersize = (char *)end - (char *)start;
 		sc->sc_audio1.dmacount = 0;
 		sc->sc_audio1.blksize = blksize;
-		timeout(ess_audio1_poll, sc, hz/30);
+		timeout_add(&sc->sc_tmo1, hz/30);
 	}
 
 	reg = ess_read_x_reg(sc, ESS_XCMD_AUDIO_CTRL);
@@ -1476,7 +1480,7 @@ ess_audio1_trigger_input(addr, start, end, blksize, intr, arg, param)
 	reg |= ESS_AUDIO1_CTRL1_FIFO_CONNECT;
 	ess_write_x_reg(sc, ESS_XCMD_AUDIO1_CTRL1, reg);
 
-	isa_dmastart(sc->sc_isa, sc->sc_audio1.drq, start, 
+	isa_dmastart(sc->sc_isa, sc->sc_audio1.drq, start,
 		     (char *)end - (char *)start, NULL,
 	    DMAMODE_READ | DMAMODE_LOOP, BUS_DMA_NOWAIT);
 
@@ -1489,7 +1493,7 @@ ess_audio1_trigger_input(addr, start, end, blksize, intr, arg, param)
 	ess_set_xreg_bits(sc, ESS_XCMD_DEMAND_CTRL, ESS_DEMAND_CTRL_DEMAND_4);
 
 	/* Start auto-init DMA */
-  	ess_wdsp(sc, ESS_ACMD_DISABLE_SPKR);
+	ess_wdsp(sc, ESS_ACMD_DISABLE_SPKR);
 	reg = ess_read_x_reg(sc, ESS_XCMD_AUDIO1_CTRL2);
 	reg |= ESS_AUDIO1_CTRL2_DMA_READ | ESS_AUDIO1_CTRL2_ADC_ENABLE;
 	reg |= ESS_AUDIO1_CTRL2_FIFO_ENABLE | ESS_AUDIO1_CTRL2_AUTO_INIT;
@@ -1511,7 +1515,7 @@ ess_audio1_halt(addr)
 		    ESS_AUDIO1_CTRL2_FIFO_ENABLE);
 		isa_dmaabort(sc->sc_isa, sc->sc_audio1.drq);
 		if (sc->sc_audio1.polled)
-			untimeout(ess_audio1_poll, sc);
+			timeout_del(&sc->sc_tmo1);
 		sc->sc_audio1.active = 0;
 	}
 
@@ -1532,7 +1536,7 @@ ess_audio2_halt(addr)
 		    ESS_AUDIO2_CTRL1_FIFO_ENABLE);
 		isa_dmaabort(sc->sc_isa, sc->sc_audio2.drq);
 		if (sc->sc_audio2.polled)
-			untimeout(ess_audio2_poll, sc);
+			timeout_del(&sc->sc_tmo2);
 		sc->sc_audio2.active = 0;
 	}
 
@@ -1616,7 +1620,7 @@ ess_audio1_poll(addr)
 	(*sc->sc_audio1.intr)(sc->sc_audio1.arg, dmacount);
 #endif
 
-	timeout(ess_audio1_poll, sc, hz/30);
+	timeout_add(&sc->sc_tmo1, hz/30);
 }
 
 void
@@ -1647,7 +1651,7 @@ ess_audio2_poll(addr)
 	(*sc->sc_audio2.intr)(sc->sc_audio2.arg, dmacount);
 #endif
 
-	timeout(ess_audio2_poll, sc, hz/30);
+	timeout_add(&sc->sc_tmo2, hz/30);
 }
 
 int
@@ -1665,7 +1669,7 @@ ess_set_port(addr, cp)
 {
 	struct ess_softc *sc = addr;
 	int lgain, rgain;
-    
+
 	DPRINTFN(5,("ess_set_port: port=%d num_channels=%d\n",
 		    cp->dev, cp->un.value.num_channels));
 
@@ -1805,7 +1809,7 @@ ess_get_port(addr, cp)
 	mixer_ctrl_t *cp;
 {
 	struct ess_softc *sc = addr;
-    
+
 	DPRINTFN(5,("ess_get_port: port=%d\n", cp->dev));
 
 	switch (cp->dev) {
@@ -1819,13 +1823,13 @@ ess_get_port(addr, cp)
 	case ESS_RECORD_VOL:
 		switch (cp->un.value.num_channels) {
 		case 1:
-			cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = 
+			cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] =
 				sc->gain[cp->dev][ESS_LEFT];
 			break;
 		case 2:
-			cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = 
+			cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] =
 				sc->gain[cp->dev][ESS_LEFT];
-			cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 
+			cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] =
 				sc->gain[cp->dev][ESS_RIGHT];
 			break;
 		default:
@@ -1837,7 +1841,7 @@ ess_get_port(addr, cp)
 		if (cp->un.value.num_channels != 1)
 			return EINVAL;
 
-		cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = 
+		cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] =
 			sc->gain[cp->dev][ESS_LEFT];
 		return (0);
 
@@ -1866,13 +1870,13 @@ ess_get_port(addr, cp)
 	case ESS_AUXB_REC_VOL:
 		switch (cp->un.value.num_channels) {
 		case 1:
-			cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = 
+			cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] =
 				sc->gain[cp->dev][ESS_LEFT];
 			break;
 		case 2:
-			cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = 
+			cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] =
 				sc->gain[cp->dev][ESS_LEFT];
-			cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 
+			cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] =
 				sc->gain[cp->dev][ESS_RIGHT];
 			break;
 		default:
@@ -1896,7 +1900,7 @@ ess_query_devinfo(addr, dip)
 {
 	struct ess_softc *sc = addr;
 
-	DPRINTFN(5,("ess_query_devinfo: model=%d index=%d\n", 
+	DPRINTFN(5,("ess_query_devinfo: model=%d index=%d\n",
 		    sc->sc_model, dip->index));
 
 	/*
@@ -2016,7 +2020,7 @@ ess_query_devinfo(addr, dip)
 			/*
 			 * The 1788 doesn't use the input mixer control that
 			 * the 1888 uses, because it's a pain when you only
-			 * have one mixer. 
+			 * have one mixer.
 			 * Perhaps it could be emulated by keeping both sets of
 			 * gain values, and doing a `context switch' of the
 			 * mixer registers when shifting from playing to
diff --git a/sys/dev/isa/ess_isapnp.c b/sys/dev/isa/ess_isapnp.c
index 5e1179df724..2b41da20bb9 100644
--- a/sys/dev/isa/ess_isapnp.c
+++ b/sys/dev/isa/ess_isapnp.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ess_isapnp.c,v 1.1 1999/06/22 16:20:03 niklas Exp $	*/
+/*	$OpenBSD: ess_isapnp.c,v 1.2 2001/01/29 06:27:59 mickey Exp $	*/
 /*	$NetBSD: ess_isa.c,v 1.4 1999/03/18 20:57:11 mycroft Exp $	*/
 
 /*-
@@ -41,6 +41,7 @@
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/device.h>
+#include <sys/timeout.h>
 
 #include <machine/cpu.h>
 #include <machine/bus.h>
diff --git a/sys/dev/isa/essreg.h b/sys/dev/isa/essreg.h
index 811eebed51d..0b50d812da3 100644
--- a/sys/dev/isa/essreg.h
+++ b/sys/dev/isa/essreg.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: essreg.h,v 1.2 1999/09/30 22:13:52 kstailey Exp $	*/
+/*	$OpenBSD: essreg.h,v 1.3 2001/01/29 06:27:59 mickey Exp $	*/
 /*	$NetBSD: essreg.h,v 1.12 1999/06/18 20:25:23 augustss Exp $	*/
 /*
  * Copyright 1997
@@ -34,7 +34,7 @@
  */
 
 /*
-** @(#) $RCSfile: essreg.h,v $ $Revision: 1.2 $ (SHARK) $Date: 1999/09/30 22:13:52 $
+** @(#) $RCSfile: essreg.h,v $ $Revision: 1.3 $ (SHARK) $Date: 2001/01/29 06:27:59 $
 **
 **++
 **
@@ -46,15 +46,15 @@
 **
 **  MODULE DESCRIPTION:
 **
-**      This module contains the constant definitions for the device
-**      registers on the ESS Technologies 1888/1887/888 sound chip.
+**	This module contains the constant definitions for the device
+**	registers on the ESS Technologies 1888/1887/888 sound chip.
 **
 **  AUTHORS:
 **
 **	Blair Fidler	Software Engineering Australia
 **			Gold Coast, Australia.
 **
-**  CREATION DATE:  
+**  CREATION DATE:
 **
 **	March 10, 1997.
 **
@@ -67,7 +67,7 @@
  * DSP commands.  This unit handles MIDI and audio capabilities.
  * The DSP can be reset, data/commands can be read or written to it,
  * and it can generate interrupts.  Interrupts are generated for MIDI
- * input or DMA completion.  They seem to have neglected the fact 
+ * input or DMA completion.  They seem to have neglected the fact
  * that it would be nice to have a MIDI transmission complete interrupt.
  * Worse, the DMA engine is half-duplex.  This means you need to do
  * (timed) programmed I/O to be able to record and play simulataneously.
@@ -109,7 +109,7 @@
 #define	  ESS_AUDIO_CTRL_MONITOR	0x08	/* 0=disable/1=enable */
 #define	  ESS_AUDIO_CTRL_MONO		0x02	/* 0=disable/1=enable */
 #define	  ESS_AUDIO_CTRL_STEREO		0x01	/* 0=disable/1=enable */
-#define ESS_XCMD_PREAMP_CTRL	0xA9 	/* */
+#define ESS_XCMD_PREAMP_CTRL	0xA9	/* */
 #define	  ESS_PREAMP_CTRL_ENABLE	0x04
 
 #define ESS_XCMD_IRQ_CTRL	0xB1	/* legacy audio interrupt control */
@@ -127,8 +127,8 @@
 #define   ESS_DRQ_CTRL_EXT	0x40
 #define ESS_XCMD_VOLIN_CTRL	0xB4	/* stereo input volume control */
 #define ESS_1788_XCMD_AUDIO_CTRL0	0xB6
-#define   ESS_CTRL0_SIGNED	0x00  
-#define   ESS_CTRL0_UNSIGNED	0x80	
+#define   ESS_CTRL0_SIGNED	0x00
+#define   ESS_CTRL0_UNSIGNED	0x80
 #define ESS_XCMD_AUDIO1_CTRL1	0xB7	/* */
 #define	  ESS_AUDIO1_CTRL1_FIFO_CONNECT	0x80	/* 1=connected */
 #define	  ESS_AUDIO1_CTRL1_FIFO_MONO    0x40    /* 0=stereo/1=mono */
@@ -216,10 +216,10 @@
 #endif
 
 /*****************************************************************************/
-/*  DSP Timeout Definitions                                                  */
+/*  DSP Timeout Definitions						     */
 /*****************************************************************************/
-#define	ESS_READ_TIMEOUT  	5000 /* number of times to try a read, 5ms*/
-#define	ESS_WRITE_TIMEOUT  	5000 /* number of times to try a write, 5ms */
+#define	ESS_READ_TIMEOUT	5000 /* number of times to try a read, 5ms*/
+#define	ESS_WRITE_TIMEOUT	5000 /* number of times to try a write, 5ms */
 
 
 #define ESS_NPORT		16
@@ -234,7 +234,7 @@
 
 #define	ESS_DSP_RW_STATUS	0x0C
 #define	ESS_DSP_WRITE_BUSY	0x80
-#define	ESS_DSP_READ_READY     	0x40
+#define	ESS_DSP_READ_READY	0x40
 #define   ESS_DSP_READ_FULL	0x20 /* FIFO full */
 #define   ESS_DSP_READ_EMPTY	0x10 /* FIFO empty */
 #define   ESS_DSP_READ_HALF	0x08 /* FIFO half-empty */
@@ -247,7 +247,7 @@
 
 #define	ESS_MIX_REG_SELECT	0x04
 #define	ESS_MIX_REG_DATA	0x05
-#define ESS_MIX_RESET		0x00 	/* mixer reset port and value */
+#define ESS_MIX_RESET		0x00	/* mixer reset port and value */
 
 
 /*
diff --git a/sys/dev/isa/essvar.h b/sys/dev/isa/essvar.h
index cf1838a94d2..a3530f682b0 100644
--- a/sys/dev/isa/essvar.h
+++ b/sys/dev/isa/essvar.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: essvar.h,v 1.2 1999/09/30 22:13:52 kstailey Exp $	*/
+/*	$OpenBSD: essvar.h,v 1.3 2001/01/29 06:27:59 mickey Exp $	*/
 /*	$NetBSD: essvar.h,v 1.14 1999/03/18 06:03:31 mycroft Exp $	*/
 /*
  * Copyright 1997
@@ -34,7 +34,7 @@
  */
 
 /*
-** @(#) $RCSfile: essvar.h,v $ $Revision: 1.2 $ (SHARK) $Date: 1999/09/30 22:13:52 $
+** @(#) $RCSfile: essvar.h,v $ $Revision: 1.3 $ (SHARK) $Date: 2001/01/29 06:27:59 $
 **
 **++
 **
@@ -46,16 +46,16 @@
 **
 **  MODULE DESCRIPTION:
 **
-**      This module contains the structure definitions and function
-**      prototypes for the ESS Technologies 1887/888 sound chip
-**      driver.
+**	This module contains the structure definitions and function
+**	prototypes for the ESS Technologies 1887/888 sound chip
+**	driver.
 **
 **  AUTHORS:
 **
 **	Blair Fidler	Software Engineering Australia
 **			Gold Coast, Australia.
 **
-**  CREATION DATE:  
+**  CREATION DATE:
 **
 **	May 12, 1997.
 **
@@ -125,22 +125,23 @@ struct ess_softc
 	isa_chipset_tag_t sc_ic;
 	bus_space_tag_t sc_iot;		/* tag */
 	bus_space_handle_t sc_ioh;	/* handle */
+	struct timeout sc_tmo1, sc_tmo2;
 
 	int	sc_iobase;		/* I/O port base address */
 
 	u_short	sc_open;		/* reference count of open calls */
 
-	int ndevs; 
+	int ndevs;
 	u_char	gain[ESS_MAX_NDEVS][2];	/* kept in input levels */
 #define ESS_LEFT 0
 #define ESS_RIGHT 1
-	
+
 	u_int	out_port;		/* output port */
 	u_int	in_mask;		/* input ports */
 	u_int	in_port;		/* XXX needed for MI interface */
 
 	u_int	spkr_state;		/* non-null is on */
-	
+
 	struct ess_audio_channel sc_audio1; /* audio channel for record */
 	struct ess_audio_channel sc_audio2; /* audio channel for playback */