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-rw-r--r--sound/pci/ctxfi/ctdaio.h122
1 files changed, 122 insertions, 0 deletions
diff --git a/sound/pci/ctxfi/ctdaio.h b/sound/pci/ctxfi/ctdaio.h
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+++ b/sound/pci/ctxfi/ctdaio.h
@@ -0,0 +1,122 @@
+/**
+ * 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 ctdaio.h
+ *
+ * @Brief
+ * This file contains the definition of Digital Audio Input Output
+ * resource management object.
+ *
+ * @Author Liu Chun
+ * @Date May 23 2008
+ *
+ */
+
+#ifndef CTDAIO_H
+#define CTDAIO_H
+
+#include "ctresource.h"
+#include "ctimap.h"
+#include <linux/spinlock.h>
+#include <linux/list.h>
+
+/* Define the descriptor of a daio resource */
+enum DAIOTYP {
+ LINEO1,
+ LINEO2,
+ LINEO3,
+ LINEO4,
+ SPDIFOO, /* S/PDIF Out (Flexijack/Optical) */
+ LINEIM,
+ SPDIFIO, /* S/PDIF In (Flexijack/Optical) on the card */
+ SPDIFI1, /* S/PDIF In on internal Drive Bay */
+ NUM_DAIOTYP
+};
+
+struct dao_rsc_ops;
+struct dai_rsc_ops;
+struct daio_mgr;
+
+struct daio {
+ struct rsc rscl; /* Basic resource info for left TX/RX */
+ struct rsc rscr; /* Basic resource info for right TX/RX */
+ enum DAIOTYP type;
+};
+
+struct dao {
+ struct daio daio;
+ struct dao_rsc_ops *ops; /* DAO specific operations */
+ struct imapper **imappers;
+ struct daio_mgr *mgr;
+ void *hw;
+ void *ctrl_blk;
+};
+
+struct dai {
+ struct daio daio;
+ struct dai_rsc_ops *ops; /* DAI specific operations */
+ void *hw;
+ void *ctrl_blk;
+};
+
+struct dao_desc {
+ unsigned int msr:4;
+ unsigned int passthru:1;
+};
+
+struct dao_rsc_ops {
+ int (*set_spos)(struct dao *dao, unsigned int spos);
+ int (*commit_write)(struct dao *dao);
+ int (*get_spos)(struct dao *dao, unsigned int *spos);
+ int (*reinit)(struct dao *dao, const struct dao_desc *desc);
+ int (*set_left_input)(struct dao *dao, struct rsc *input);
+ int (*set_right_input)(struct dao *dao, struct rsc *input);
+ int (*clear_left_input)(struct dao *dao);
+ int (*clear_right_input)(struct dao *dao);
+};
+
+struct dai_rsc_ops {
+ int (*set_srt_srcl)(struct dai *dai, struct rsc *src);
+ int (*set_srt_srcr)(struct dai *dai, struct rsc *src);
+ int (*set_srt_msr)(struct dai *dai, unsigned int msr);
+ int (*set_enb_src)(struct dai *dai, unsigned int enb);
+ int (*set_enb_srt)(struct dai *dai, unsigned int enb);
+ int (*commit_write)(struct dai *dai);
+};
+
+/* Define daio resource request description info */
+struct daio_desc {
+ unsigned int type:4;
+ unsigned int msr:4;
+ unsigned int passthru:1;
+};
+
+struct daio_mgr {
+ struct rsc_mgr mgr; /* Basic resource manager info */
+ spinlock_t mgr_lock;
+ spinlock_t imap_lock;
+ struct list_head imappers;
+ struct imapper *init_imap;
+ unsigned int init_imap_added;
+
+ /* request one daio resource */
+ int (*get_daio)(struct daio_mgr *mgr,
+ const struct daio_desc *desc, struct daio **rdaio);
+ /* return one daio resource */
+ int (*put_daio)(struct daio_mgr *mgr, struct daio *daio);
+ int (*daio_enable)(struct daio_mgr *mgr, struct daio *daio);
+ int (*daio_disable)(struct daio_mgr *mgr, struct daio *daio);
+ int (*imap_add)(struct daio_mgr *mgr, struct imapper *entry);
+ int (*imap_delete)(struct daio_mgr *mgr, struct imapper *entry);
+ int (*commit_write)(struct daio_mgr *mgr);
+};
+
+/* Constructor and destructor of daio resource manager */
+int daio_mgr_create(void *hw, struct daio_mgr **rdaio_mgr);
+int daio_mgr_destroy(struct daio_mgr *daio_mgr);
+
+#endif /* CTDAIO_H */