1 files changed, 96 insertions, 0 deletions

diff --git a/sound/pci/ctxfi/ctamixer.h b/sound/pci/ctxfi/ctamixer.h
new file mode 100644
index 000000000000..cc49e5ab4750
--- /dev/null
+++ b/sound/pci/ctxfi/ctamixer.h
@@ -0,0 +1,96 @@
+/**
+ * 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        ctamixer.h
+ *
+ * @Brief
+ * This file contains the definition of the Audio Mixer
+ * resource management object.
+ *
+ * @Author      Liu Chun
+ * @Date        May 21 2008
+ *
+ */
+
+#ifndef CTAMIXER_H
+#define CTAMIXER_H
+
+#include "ctresource.h"
+#include <linux/spinlock.h>
+
+/* Define the descriptor of a summation node resource */
+struct sum {
+        struct rsc rsc;         /* Basic resource info */
+        unsigned char idx[8];
+};
+
+/* Define sum resource request description info */
+struct sum_desc {
+        unsigned int msr;
+};
+
+struct sum_mgr {
+        struct rsc_mgr mgr;     /* Basic resource manager info */
+        spinlock_t mgr_lock;
+
+         /* request one sum resource */
+        int (*get_sum)(struct sum_mgr *mgr,
+                        const struct sum_desc *desc, struct sum **rsum);
+        /* return one sum resource */
+        int (*put_sum)(struct sum_mgr *mgr, struct sum *sum);
+};
+
+/* Constructor and destructor of daio resource manager */
+int sum_mgr_create(void *hw, struct sum_mgr **rsum_mgr);
+int sum_mgr_destroy(struct sum_mgr *sum_mgr);
+
+/* Define the descriptor of a amixer resource */
+struct amixer_rsc_ops;
+
+struct amixer {
+        struct rsc rsc;         /* Basic resource info */
+        unsigned char idx[8];
+        struct rsc *input;      /* pointer to a resource acting as source */
+        struct sum *sum;        /* Put amixer output to this summation node */
+        struct amixer_rsc_ops *ops;     /* AMixer specific operations */
+};
+
+struct amixer_rsc_ops {
+        int (*set_input)(struct amixer *amixer, struct rsc *rsc);
+        int (*set_scale)(struct amixer *amixer, unsigned int scale);
+        int (*set_invalid_squash)(struct amixer *amixer, unsigned int iv);
+        int (*set_sum)(struct amixer *amixer, struct sum *sum);
+        int (*commit_write)(struct amixer *amixer);
+        /* Only for interleaved recording */
+        int (*commit_raw_write)(struct amixer *amixer);
+        int (*setup)(struct amixer *amixer, struct rsc *input,
+                        unsigned int scale, struct sum *sum);
+        int (*get_scale)(struct amixer *amixer);
+};
+
+/* Define amixer resource request description info */
+struct amixer_desc {
+        unsigned int msr;
+};
+
+struct amixer_mgr {
+        struct rsc_mgr mgr;     /* Basic resource manager info */
+        spinlock_t mgr_lock;
+
+         /* request one amixer resource */
+        int (*get_amixer)(struct amixer_mgr *mgr,
+                          const struct amixer_desc *desc,
+                          struct amixer **ramixer);
+        /* return one amixer resource */
+        int (*put_amixer)(struct amixer_mgr *mgr, struct amixer *amixer);
+};
+
+/* Constructor and destructor of amixer resource manager */
+int amixer_mgr_create(void *hw, struct amixer_mgr **ramixer_mgr);
+int amixer_mgr_destroy(struct amixer_mgr *amixer_mgr);
+
+#endif /* CTAMIXER_H */