diff options
author | Paolo Bonzini <pbonzini@redhat.com> | 2013-03-18 17:36:02 +0100 |
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committer | Paolo Bonzini <pbonzini@redhat.com> | 2013-04-08 18:13:16 +0200 |
commit | 47b43a1f414c5b3eb9eb7502d0b0be0d134259ba (patch) | |
tree | 9acfd03f458083a077ac79bd462d5360916f445f /hw/audio/lm4549.h | |
parent | 8d8b636d28a97af7bf43c3267d07f87b9530939a (diff) |
hw: move private headers to hw/ subdirectories.
Many headers are used only in a single directory. These can be
kept in hw/.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/audio/lm4549.h')
-rw-r--r-- | hw/audio/lm4549.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/hw/audio/lm4549.h b/hw/audio/lm4549.h new file mode 100644 index 0000000000..812a7a4440 --- /dev/null +++ b/hw/audio/lm4549.h @@ -0,0 +1,43 @@ +/* + * LM4549 Audio Codec Interface + * + * Copyright (c) 2011 + * Written by Mathieu Sonet - www.elasticsheep.com + * + * This code is licensed under the GPL. + * + * ***************************************************************** + */ + +#ifndef HW_LM4549_H +#define HW_LM4549_H + +#include "audio/audio.h" + +typedef void (*lm4549_callback)(void *opaque); + +#define LM4549_BUFFER_SIZE (512 * 2) /* 512 16-bit stereo samples */ + + +typedef struct { + QEMUSoundCard card; + SWVoiceOut *voice; + uint32_t voice_is_active; + + uint16_t regfile[128]; + lm4549_callback data_req_cb; + void *opaque; + + uint16_t buffer[LM4549_BUFFER_SIZE]; + uint32_t buffer_level; +} lm4549_state; + +extern const VMStateDescription vmstate_lm4549_state; + + +void lm4549_init(lm4549_state *s, lm4549_callback data_req, void *opaque); +uint32_t lm4549_read(lm4549_state *s, hwaddr offset); +void lm4549_write(lm4549_state *s, hwaddr offset, uint32_t value); +uint32_t lm4549_write_samples(lm4549_state *s, uint32_t left, uint32_t right); + +#endif /* #ifndef HW_LM4549_H */ |