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Diffstat (limited to 'sound/soc/codecs/rl6347a.h')
| -rw-r--r-- | sound/soc/codecs/rl6347a.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/sound/soc/codecs/rl6347a.h b/sound/soc/codecs/rl6347a.h new file mode 100644 index 0000000000..761455a2fa --- /dev/null +++ b/sound/soc/codecs/rl6347a.h @@ -0,0 +1,31 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * rl6347a.h - RL6347A class device shared support + * + * Copyright 2015 Realtek Semiconductor Corp. + * + * Author: Oder Chiou <oder_chiou@realtek.com> + */ +#ifndef __RL6347A_H__ +#define __RL6347A_H__ + +#include <sound/hda_verbs.h> + +#define VERB_CMD(V, N, D) ((N << 20) | (V << 8) | D) + +#define RL6347A_VENDOR_REGISTERS 0x20 + +#define RL6347A_COEF_INDEX\ + VERB_CMD(AC_VERB_SET_COEF_INDEX, RL6347A_VENDOR_REGISTERS, 0) +#define RL6347A_PROC_COEF\ + VERB_CMD(AC_VERB_SET_PROC_COEF, RL6347A_VENDOR_REGISTERS, 0) + +struct rl6347a_priv { + struct reg_default *index_cache; + int index_cache_size; +}; + +int rl6347a_hw_write(void *context, unsigned int reg, unsigned int value); +int rl6347a_hw_read(void *context, unsigned int reg, unsigned int *value); + +#endif /* __RL6347A_H__ */ |