Date: 02 Dec 1999 11:20:08 +0100 From: Thomas Gellekum <tg@melaten.rwth-aachen.de> To: freebsd-multimedia@freebsd.org Subject: Aztech 2320 soundcard Message-ID: <kqk8mxk5k7.fsf@cip12.melaten.rwth-aachen.de>
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[-- Attachment #1 --]
The attached patch adds some support for soundcards based on Aztech's
2320. The method for switching the device into MSS mode was taken from
NetBSD. The diff is relative to -stable.
tg
[-- Attachment #2 --]
Index: ad1848.c
===================================================================
RCS file: /usr/cvs/src/sys/i386/isa/snd/Attic/ad1848.c,v
retrieving revision 1.20.2.1
diff -u -r1.20.2.1 ad1848.c
--- ad1848.c 1999/05/10 12:31:53 1.20.2.1
+++ ad1848.c 1999/12/01 17:03:09
@@ -47,6 +47,7 @@
* board-specific include files
*/
+#include <i386/isa/snd/sbcard.h>
#include <i386/isa/snd/mss.h>
/*
@@ -1424,6 +1425,76 @@
*/
#if NPNP > 0
+
+static char *azt2320_probe(u_long csn, u_long vend_id);
+static void
+azt2320_attach(u_long csn, u_long vend_id, char *name,
+ struct isa_device *dev);
+
+static struct pnp_device azt2320 = {
+ "AZT2320",
+ azt2320_probe,
+ azt2320_attach,
+ &nsnd,
+ &tty_imask
+};
+DATA_SET(pnpdevice_set, azt2320);
+
+static char *
+azt2320_probe(u_long csn, u_long vend_id)
+{
+ if (vend_id == 0x20235407) {
+ struct pnp_cinfo d;
+ read_pnp_parms(&d, 1);
+ if (d.enable == 0) {
+ printf("This is an AZT2320, but LDN 1 is disabled\n");
+ return NULL;
+ }
+ return "Aztech 2320";
+ }
+ return NULL;
+}
+
+static void
+azt2320_attach(u_long csn, u_long vend_id, char *name,
+ struct isa_device *dev)
+{
+ struct pnp_cinfo d;
+ snddev_info tmp_d;
+
+ if (read_pnp_parms(&d, 1) == 0) {
+ printf("failed to read pnp parms\n");
+ return;
+ }
+ write_pnp_parms(&d, 1);
+ enable_pnp_card();
+
+ snddev_last_probed = &tmp_d;
+ if (vend_id == 0x20235407) {
+ tmp_d = mss_op_desc;
+
+ /* put into WSS mode (snatched from NetBSD) */
+ while (inb(d.port[0] + SBDSP_STATUS) & 0x80)
+ ;
+ outb(d.port[0] + SBDSP_CMD, 0x09);
+ while (inb(d.port[0] + SBDSP_STATUS) & 0x80)
+ ;
+ outb(d.port[0] + SBDSP_CMD, 0x00);
+ DELAY(1000);
+
+ /* now fill in the device info */
+ dev->id_iobase = d.port[2] - 4;
+ tmp_d.io_base = dev->id_iobase;
+ tmp_d.alt_base = d.port[0]; /* soundblaster comp. but we don't
+ * use that */
+ tmp_d.synth_base = d.port[1];
+ strcpy(tmp_d.name, name);
+ dev->id_drq = d.drq[0];
+ dev->id_irq = (1 << d.irq[0] );
+ dev->id_intr = pcmintr;
+ pcmattach(dev);
+ }
+}
static char * cs423x_probe(u_long csn, u_long vend_id);
static void
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