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, 122 insertions, 0 deletions

diff --git a/sound/pci/ctxfi/ctdaio.h b/sound/pci/ctxfi/ctdaio.h
new file mode 100644
index 000000000000..0f52ce571ee8
--- /dev/null
+++ 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 */