Imported Upstream version 4.2-build2006upstream/4.2-build2006upstream

1 files changed, 97 insertions, 0 deletions

diff --git a/kernel/framework/include/spdif.h b/kernel/framework/include/spdif.h
new file mode 100644
index 0000000..a2d1938
--- /dev/null
+++ b/kernel/framework/include/spdif.h
@@ -0,0 +1,97 @@
+#ifndef SPDIF_H
+#define SPDIF_H
+/*
+ * Purpose: Definitions for S/PDIF (IEC958) control bit and mixer extension manager
+ */
+
+/*
+ *
+ * This file is part of Open Sound System.
+ *
+ * Copyright (C) 4Front Technologies 1996-2008.
+ *
+ * This 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.
+ *
+ */
+typedef struct oss_spdif_driver spdif_driver_t;
+
+#define set_cbit(array, byte, bit, v) {array[byte] &= ~(1 << bit);array[byte] |= ((v&1)<<bit);}
+#define get_cbit(array, byte, bit) ((array[byte] >> bit)&1)
+
+
+typedef struct
+{
+  int is_ok;
+  oss_mutex_t mutex;
+  oss_device_t *osdev;
+
+  void *host_devc;
+  void *host_portc;
+  int flags;
+  unsigned int caps;
+#define SPDF_IN					0x00000001
+#define SPDF_OUT				0x00000002
+#define SPDF_ENABLE				0x00000004
+#define SPDF_RATECTL				0x00000008
+  spdif_driver_t *d;
+  oss_digital_control *ctl, hot_ctl, cold_ctl;
+  int open_mode;
+  int mixer_dev;
+
+  int group;
+  int mixer_blocked;
+} spdif_devc;
+
+
+/*
+ * reprogram 'mask' bits
+ */
+
+#define REPGM_ALL		0xffffffff
+#define REPGM_NOTHING		0x00000000
+#define REPGM_RATE		0x00000001
+#define REPGM_VBIT		0x00000002
+#define REPGM_DENABLE		0x00000004
+#define REPGM_AENABLE		0x00000008
+#define REPGM_CBIT0		0x00000010
+#define REPGM_CBIT1		0x00000020
+#define REPGM_CBIT2		0x00000040
+#define REPGM_CBIT3		0x00000080
+#define REPGM_CBIT4_23		0x00000100
+#define REPGM_CBITALL		0x000001f0
+#define REPGM_UBITALL		0x00000200
+#define REPGM_OUTSEL		0x00000400
+
+#define SPDIF_NOIOCTL		0x12344321	/* Bits of magic */
+
+struct oss_spdif_driver
+{
+  int (*reprogram_device) (void *_devc, void *_portc,
+			   oss_digital_control * ctl, unsigned int mask);
+  int (*get_status) (void *_devc, void *_portc, oss_digital_control * ctl,
+		     int rqbits);
+  int (*exec_request) (void *_devc, void *_portc, int rq, int param);
+};
+
+extern int oss_spdif_install (spdif_devc * devc, oss_device_t * osdev,
+			      spdif_driver_t * d, int driver_size,
+			      void *host_devc, void *host_portc,
+			      int mixer_dev, int flags, unsigned int caps);
+extern void oss_spdif_uninstall (spdif_devc * devc);
+extern int oss_spdif_open (spdif_devc * devc, int open_mode);
+extern void oss_spdif_close (spdif_devc * devc, int open_mode);
+extern void oss_spdif_setrate (spdif_devc * devc, int rate);
+extern int oss_spdif_mix_init (spdif_devc * devc);
+extern int oss_spdif_ioctl (spdif_devc * devc, int open_mode, unsigned int cmd,
+			    ioctl_arg arg);
+
+/*
+ * oss_digital_control->filler usage
+ */
+#define pro_mode filler[0]
+#define rate_bits filler[1]
+#define emphasis_type filler[2]
+
+#endif