Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / sound / pci / ctxfi / ctdaio.h

diff --git a/kernel/sound/pci/ctxfi/ctdaio.h b/kernel/sound/pci/ctxfi/ctdaio.h
new file mode 100644 (file)
index 0000000..0ebbf35
--- /dev/null
+++ b/kernel/sound/pci/ctxfi/ctdaio.h
@@ -0,0 +1,125 @@
+/**
+ * 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>
+#include <sound/core.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 */
+       MIC,            /* Dedicated mic on Titanium HD */
+       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;
+       struct hw *hw;
+       void *ctrl_blk;
+};
+
+struct dai {
+       struct daio daio;
+       struct dai_rsc_ops *ops;        /* DAI specific operations */
+       struct hw *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 */
+       struct snd_card *card;  /* pointer to this card */
+       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(struct hw *hw, struct daio_mgr **rdaio_mgr);
+int daio_mgr_destroy(struct daio_mgr *daio_mgr);
+
+#endif /* CTDAIO_H */