Intel AC97

(Currently not functional)

src/include/86box/snd_ac97_intel.h

@@ -0,0 +1,54 @@
+/*
+ * Intel AC'97 Header
+ *
+ * Authors:	Tiseno100,
+ *
+ * Copyright 2022 Tiseno100.
+ */
+
+
+/*
+ * Note: The Intel AC'97 code is divided into three parts
+ *
+ * 1. intel_ac97.c The main AC'97 code handling configuration.
+ * 3. intel_ac97_buffer.c The AC'97 buffer
+ * 
+ * 
+ * The general AC'97 configures the buffer base address and capabilities like channels, reset, interrupts etc.
+ * The AC'97 buffer is where all playback happens.
+*/
+
+#ifndef EMU_INTEL_AC97_H
+# define EMU_INTEL_AC97_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+#include <86box/mem.h>
+#include <86box/snd_ac97.h>
+
+typedef struct intel_ac97_t
+{
+    uint16_t ac97_base;
+    uint16_t mixer_base;
+    uint32_t buffer_base;
+
+    uint8_t regs[256];
+    int irq;
+
+    ac97_codec_t *mixer;
+    mem_mapping_t *buffer_location;
+} intel_ac97_t;
+
+/* AC'97 Configuration */
+extern void intel_ac97_base(int enable, uint16_t addr, intel_ac97_t *dev);
+extern void intel_ac97_mixer_base(int enable, uint16_t addr, intel_ac97_t *dev);
+extern void intel_ac97_set_irq(int irq, intel_ac97_t *dev);
+
+extern const device_t   intel_ac97_device;
+extern const device_t   intel_ac97_mixer_device;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/*EMU_INTEL_AC97_H*/