1 files changed, 97 insertions, 0 deletions
diff --git a/kernel/drv/oss_via823x/via8233.h b/kernel/drv/oss_via823x/via8233.h
new file mode 100644
index 0000000..7d2ad37
--- /dev/null
+++ b/kernel/drv/oss_via823x/via8233.h
@@ -0,0 +1,97 @@
+/*
+ * Purpose: Definitions for the via8233 driver
+ */
+/*
+ *
+ * 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.
+ *
+ */
+#define VIA_VENDOR_ID		0x1106
+#define VIA_8233_ID		0x3059
+#define VIA_8233A_ID		0x7059
+
+#define PLAY_SGD_NUM		1
+#define REC_SGD_NUM		0
+#define MAX_ENGINES		2
+#define MAX_PORTC		2
+
+#define SGD_SIZE		256
+#define SGD_ALLOC		4096
+#define SGD_EOL			0x80000000
+#define SGD_FLAG		0x40000000
+
+#define CODEC_TIMEOUT_COUNT     500
+#define AC97CODEC     0x80	/*Access AC97 Codec */
+#define IN_CMD        0x01000000	/*busy in sending */
+#define STA_VALID     0x02000000	/*1:status data is valid */
+#define CODEC_RD      0x00800000	/*Read CODEC status */
+#define CODEC_INDEX   0x007F0000	/*Index of command register to access */
+#define CODEC_DATA    0x0000FFFF	/*AC97 status register data */
+
+typedef struct
+{
+  unsigned int phaddr;
+  unsigned int flags;
+}
+SGD_entry;
+
+struct via8233_portc;
+
+typedef struct
+{
+  int sgd_num, base;
+  oss_dma_handle_t sgd_dma_handle;
+  int mode;
+  SGD_entry *sgd;
+  oss_native_word sgd_phys;
+  int sgd_ptr;
+  int prev_sgd;
+  int cfrag;
+  unsigned int prevpos;
+  short frags[SGD_SIZE];
+  struct via8233_portc *portc;
+}
+engine_desc;
+
+typedef struct via8233_portc
+{
+  int audiodev;
+  int open_mode;
+  int mode_mask;
+  int speed, bits, channels;
+  engine_desc *play_engine, *rec_engine;
+  int trigger_bits;
+  int audio_enabled;
+}
+via8233_portc;
+
+
+typedef struct via8233_devc
+{
+  oss_device_t *osdev;
+  int chip_type;
+#define CHIP_8233	0
+#define CHIP_8233A	1
+  char *chip_name;
+  int multi_channel_active;
+  oss_native_word base;
+  int irq;
+  int open_mode;
+  oss_mutex_t mutex;		/* For normal locking */
+  oss_mutex_t low_mutex;	/* For low level routines */
+/*
+ * Mixer
+ */
+  ac97_devc ac97devc;
+  int mixer_dev;
+
+  via8233_portc portc[MAX_PORTC];
+  engine_desc engines[MAX_ENGINES];
+}
+via8233_devc;