ALSA: Add description of new snd-msnd-* drivers

Signed-off-by: Takashi Iwai <tiwai@suse.de>

Documentation/sound/alsa/ALSA-Configuration.txt

@@ -1185,6 +1185,54 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
 
     This module supports multiple devices and PnP.
     
+  Module snd-msnd-classic
+  -----------------------
+
+    Module for Turtle Beach MultiSound Classic, Tahiti or Monterey
+    soundcards.
+
+    io		- Port # for msnd-classic card
+    irq		- IRQ # for msnd-classic card
+    mem		- Memory address (0xb0000, 0xc8000, 0xd0000, 0xd8000,
+		  0xe0000 or 0xe8000)
+    write_ndelay - enable write ndelay (default = 1)
+    calibrate_signal - calibrate signal (default = 0)
+    isapnp	- ISA PnP detection - 0 = disable, 1 = enable (default)
+    digital	- Digital daughterboard present (default = 0)
+    cfg		- Config port (0x250, 0x260 or 0x270) default = PnP
+    reset	- Reset all devices
+    mpu_io	- MPU401 I/O port
+    mpu_irq	- MPU401 irq#
+    ide_io0	- IDE port #0
+    ide_io1	- IDE port #1
+    ide_irq	- IDE irq#
+    joystick_io	- Joystick I/O port
+
+    The driver requires firmware files "turtlebeach/msndinit.bin" and
+    "turtlebeach/msndperm.bin" in the proper firmware directory.
+
+    See Documentation/sound/oss/MultiSound for important information
+    about this driver.  Note that it has been discontinued, but the 
+    Voyetra Turtle Beach knowledge base entry for it is still available
+    at
+	http://www.turtlebeach.com/site/kb_ftp/790.asp
+
+  Module snd-msnd-pinnacle
+  ------------------------
+
+    Module for Turtle Beach MultiSound Pinnacle/Fiji soundcards.
+
+    io		- Port # for pinnacle/fiji card
+    irq		- IRQ # for pinnalce/fiji card
+    mem		- Memory address (0xb0000, 0xc8000, 0xd0000, 0xd8000,
+		  0xe0000 or 0xe8000)
+    write_ndelay - enable write ndelay (default = 1)
+    calibrate_signal - calibrate signal (default = 0)
+    isapnp	- ISA PnP detection - 0 = disable, 1 = enable (default)
+
+    The driver requires firmware files "turtlebeach/pndspini.bin" and
+    "turtlebeach/pndsperm.bin" in the proper firmware directory.
+
   Module snd-mtpav
   ----------------