From ced0d594a6c93a1f3d3b8f6c1fa9669ba16f2a32 Mon Sep 17 00:00:00 2001
From: ache <ache@FreeBSD.org>
Date: Sun, 5 Mar 1995 03:28:38 +0000
Subject: PLEASE, PLEASE, PLEASE!!!!!!! DO NOT COMMIT NEW VOXWARE VERSIONS
 BLINDLY, TAKE CARE TO RESTORE PAS16D FIXES, I AM REALLY TIRED TO DO IT WITH
 EACH NEW RELEASE!!!

---
 sys/i386/isa/sound/pas.h        |  1 +
 sys/i386/isa/sound/pas2_card.c  | 25 +++++++++++++++++++++----
 sys/i386/isa/sound/pas2_mixer.c | 24 ++++++++----------------
 3 files changed, 30 insertions(+), 20 deletions(-)

(limited to 'sys')

diff --git a/sys/i386/isa/sound/pas.h b/sys/i386/isa/sound/pas.h
index 585bc64..9759542 100644
--- a/sys/i386/isa/sound/pas.h
+++ b/sys/i386/isa/sound/pas.h
@@ -128,6 +128,7 @@
 	#define F_F_PCM_RATE_COUNTER	0x40		/* R W	PCM		1=enable, 0=disable sample rate counter		*/
 	#define F_F_PCM_BUFFER_COUNTER	0x80		/* R W 	PCM		1=enable, 0=disable sample buffer counter	*/
 
+#define	CHIP_REV			0xFF88		/* R	Control		0=PAS, 1=PAS+, 2=CDPC, 3=PAS16C, 4=PAS16D	*/
 #define PAS_NONE	0
 #define PAS_PLUS	1
 #define PAS_CDPC	2
diff --git a/sys/i386/isa/sound/pas2_card.c b/sys/i386/isa/sound/pas2_card.c
index 1bfd73f..8086cfb 100644
--- a/sys/i386/isa/sound/pas2_card.c
+++ b/sys/i386/isa/sound/pas2_card.c
@@ -70,6 +70,23 @@ pas_write (unsigned char data, int ioaddr)
   OUTB (data, ioaddr ^ translat_code);
 }
 
+/*
+ * The Revision D cards have a problem with their MVA508 interface. The
+ * kludge-o-rama fix is to make a 16-bit quantity with identical LSB and
+ * MSBs out of the output byte and to do a 16-bit out to the mixer port -
+ * 1. We need to do this because there was access problems, not timing
+ * problems.
+ */
+void
+mix_write (unsigned char data, int ioaddr)
+{
+  if (pas_model == PAS_16D) {
+	outw ((ioaddr ^ translat_code) - 1, data | (data << 8));
+	outb (0, 0x80);
+  } else
+	OUTB (data, ioaddr ^ translat_code);
+}
+
 void
 pas2_msg (char *foo)
 {
@@ -253,8 +270,8 @@ config_pas_hw (struct address_info *hw_config)
   else
     pas_write (0, PRESCALE_DIVIDER);
 
-  pas_write (P_M_MV508_ADDRESS | 5, PARALLEL_MIXER);
-  pas_write (5, PARALLEL_MIXER);
+  mix_write (P_M_MV508_ADDRESS | 5, PARALLEL_MIXER);
+  mix_write (5, PARALLEL_MIXER);
 
 #if !defined(EXCLUDE_SB_EMULATION) || !defined(EXCLUDE_SB)
 
@@ -348,7 +365,7 @@ detect_pas_hw (struct address_info *hw_config)
 				 */
     return 0;
 
-  pas_model = O_M_1_to_card[pas_read (OPERATION_MODE_1) & 0x0f];
+  pas_model = pas_read (CHIP_REV);
 
   return pas_model;
 }
@@ -361,7 +378,7 @@ attach_pas_card (long mem_start, struct address_info *hw_config)
   if (detect_pas_hw (hw_config))
     {
 
-      if ((pas_model = O_M_1_to_card[pas_read (OPERATION_MODE_1) & 0x0f]))
+      if (pas_model = pas_read (CHIP_REV))
 	{
 	  printk (" <%s rev %d>", pas_model_names[(int) pas_model], pas_read (BOARD_REV_ID));
 	}
diff --git a/sys/i386/isa/sound/pas2_mixer.c b/sys/i386/isa/sound/pas2_mixer.c
index bf0a20b..bd53bc0 100644
--- a/sys/i386/isa/sound/pas2_mixer.c
+++ b/sys/i386/isa/sound/pas2_mixer.c
@@ -106,14 +106,6 @@ mixer_output (int right_vol, int left_vol, int div, int bits,
   int             left = left_vol * div / 100;
   int             right = right_vol * div / 100;
 
-  /*
-   * The Revision D cards have a problem with their MVA508 interface. The
-   * kludge-o-rama fix is to make a 16-bit quantity with identical LSB and
-   * MSBs out of the output byte and to do a 16-bit out to the mixer port -
-   * 1. We don't need to do this because the call to pas_write more than
-   * compensates for the timing problems.
-   */
-
   if (bits & P_M_MV508_MIXER)
     {				/*
 				 * Select input or output mixer
@@ -126,16 +118,16 @@ mixer_output (int right_vol, int left_vol, int div, int bits,
     {				/*
 				 * Bass and treble are mono devices
 				 */
-      pas_write (P_M_MV508_ADDRESS | bits, PARALLEL_MIXER);
-      pas_write (left, PARALLEL_MIXER);
+      mix_write (P_M_MV508_ADDRESS | bits, PARALLEL_MIXER);
+      mix_write (left, PARALLEL_MIXER);
       right_vol = left_vol;
     }
   else
     {
-      pas_write (P_M_MV508_ADDRESS | P_M_MV508_LEFT | bits, PARALLEL_MIXER);
-      pas_write (left, PARALLEL_MIXER);
-      pas_write (P_M_MV508_ADDRESS | P_M_MV508_RIGHT | bits, PARALLEL_MIXER);
-      pas_write (right, PARALLEL_MIXER);
+      mix_write (P_M_MV508_ADDRESS | P_M_MV508_LEFT | bits, PARALLEL_MIXER);
+      mix_write (left, PARALLEL_MIXER);
+      mix_write (P_M_MV508_ADDRESS | P_M_MV508_RIGHT | bits, PARALLEL_MIXER);
+      mix_write (right, PARALLEL_MIXER);
     }
 
   return (left_vol | (right_vol << 8));
@@ -144,8 +136,8 @@ mixer_output (int right_vol, int left_vol, int div, int bits,
 void
 set_mode (int new_mode)
 {
-  pas_write (P_M_MV508_ADDRESS | P_M_MV508_MODE, PARALLEL_MIXER);
-  pas_write (new_mode, PARALLEL_MIXER);
+  mix_write (P_M_MV508_ADDRESS | P_M_MV508_MODE, PARALLEL_MIXER);
+  mix_write (new_mode, PARALLEL_MIXER);
 
   mode_control = new_mode;
 }
-- 
cgit v1.1