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[linux-2.6] / include / sound / mpu401.h

diff --git a/include/sound/mpu401.h b/include/sound/mpu401.h
index d5c1396c4c9ea974286074d273ae485ffb263ff2..68b634b75068bfe9e33573d6c1fe2d6f475a8b53 100644 (file)
--- a/include/sound/mpu401.h
+++ b/include/sound/mpu401.h
@@ -3,7 +3,7 @@
 
 /*
  *  Header file for MPU-401 and compatible cards
- *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
+ *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
  *
  *
  *   This program is free software; you can redistribute it and/or modify
@@ -50,7 +50,6 @@
 #define MPU401_INFO_INTEGRATED (1 << 2)        /* integrated h/w port */
 #define MPU401_INFO_MMIO       (1 << 3)        /* MMIO access */
 #define MPU401_INFO_TX_IRQ     (1 << 4)        /* independent TX irq */
-#define MPU401_INFO_UART_ONLY  (1 << 5)        /* No ENTER_UART cmd needed */
 
 #define MPU401_MODE_BIT_INPUT          0
 #define MPU401_MODE_BIT_OUTPUT         1
@@ -103,6 +102,21 @@ struct snd_mpu401 {
 #define MPU401C(mpu) (mpu)->cport
 #define MPU401D(mpu) (mpu)->port
 
+/*
+ * control register bits
+ */
+/* read MPU401C() */
+#define MPU401_RX_EMPTY                0x80
+#define MPU401_TX_FULL         0x40
+
+/* write MPU401C() */
+#define MPU401_RESET           0xff
+#define MPU401_ENTER_UART      0x3f
+
+/* read MPU401D() */
+#define MPU401_ACK             0xfe
+
+
 /*
 
  */