ALSA: SB X-Fi driver merge

The Sound Blaster X-Fi driver supports Creative solutions based on
20K1 and 20K2 chipsets.

Supported hardware :

Creative Sound Blaster X-Fi Titanium Fatal1ty® Champion Series
Creative Sound Blaster X-Fi Titanium Fatal1ty Professional Series
Creative Sound Blaster X-Fi Titanium Professional Audio
Creative Sound Blaster X-Fi Titanium
Creative Sound Blaster X-Fi Elite Pro
Creative Sound Blaster X-Fi Platinum
Creative Sound Blaster X-Fi Fatal1ty
Creative Sound Blaster X-Fi XtremeGamer
Creative Sound Blaster X-Fi XtremeMusic

Current release features:

* ALSA PCM Playback
* ALSA Record
* ALSA Mixer

Note:

* External I/O modules detection not included.

Signed-off-by: Wai Yew CHAY <wychay@ctl.creative.com>
Singed-off-by: Ryan RICHARDS <ryan_richards@creativelabs.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 40 insertions, 0 deletions

diff --git a/sound/pci/ctxfi/ctimap.h b/sound/pci/ctxfi/ctimap.h
new file mode 100644
index 000000000000..53ccf9be8b68
--- /dev/null
+++ b/sound/pci/ctxfi/ctimap.h
@@ -0,0 +1,40 @@
+/**
+ * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
+ *
+ * This source file is released under GPL v2 license (no other versions).
+ * See the COPYING file included in the main directory of this source
+ * distribution for the license terms and conditions.
+ *
+ * @File        ctimap.h
+ *
+ * @Brief
+ * This file contains the definition of generic input mapper operations
+ * for input mapper management.
+ *
+ * @Author      Liu Chun
+ * @Date        May 23 2008
+ *
+ */
+
+#ifndef CTIMAP_H
+#define CTIMAP_H
+
+#include <linux/list.h>
+
+struct imapper {
+        unsigned short slot; /* the id of the slot containing input data */
+        unsigned short user; /* the id of the user resource consuming data */
+        unsigned short addr; /* the input mapper ram id */
+        unsigned short next; /* the next input mapper ram id */
+        struct list_head        list;
+};
+
+int input_mapper_add(struct list_head *mappers, struct imapper *entry,
+                     int (*map_op)(void *, struct imapper *), void *data);
+
+int input_mapper_delete(struct list_head *mappers, struct imapper *entry,
+                     int (*map_op)(void *, struct imapper *), void *data);
+
+void free_input_mapper_list(struct list_head *mappers);
+
+#endif /* CTIMAP_H */