diff options
Diffstat (limited to 'sound/soc/codecs/wcd-clsh-v2.h')
| -rw-r--r-- | sound/soc/codecs/wcd-clsh-v2.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/sound/soc/codecs/wcd-clsh-v2.h b/sound/soc/codecs/wcd-clsh-v2.h new file mode 100644 index 000000000000..a902f9893467 --- /dev/null +++ b/sound/soc/codecs/wcd-clsh-v2.h @@ -0,0 +1,49 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#ifndef _WCD_CLSH_V2_H_ +#define _WCD_CLSH_V2_H_ +#include <sound/soc.h> + +enum wcd_clsh_event { + WCD_CLSH_EVENT_PRE_DAC = 1, + WCD_CLSH_EVENT_POST_PA, +}; + +/* + * Basic states for Class H state machine. + * represented as a bit mask within a u8 data type + * bit 0: EAR mode + * bit 1: HPH Left mode + * bit 2: HPH Right mode + * bit 3: Lineout mode + */ +#define WCD_CLSH_STATE_IDLE 0 +#define WCD_CLSH_STATE_EAR BIT(0) +#define WCD_CLSH_STATE_HPHL BIT(1) +#define WCD_CLSH_STATE_HPHR BIT(2) +#define WCD_CLSH_STATE_LO BIT(3) +#define WCD_CLSH_STATE_MAX 4 +#define NUM_CLSH_STATES_V2 BIT(WCD_CLSH_STATE_MAX) + +enum wcd_clsh_mode { + CLS_H_NORMAL = 0, /* Class-H Default */ + CLS_H_HIFI, /* Class-H HiFi */ + CLS_H_LP, /* Class-H Low Power */ + CLS_AB, /* Class-AB */ + CLS_H_LOHIFI, /* LoHIFI */ + CLS_NONE, /* None of the above modes */ +}; + +struct wcd_clsh_ctrl; + +extern struct wcd_clsh_ctrl *wcd_clsh_ctrl_alloc( + struct snd_soc_component *component, + int version); +extern void wcd_clsh_ctrl_free(struct wcd_clsh_ctrl *ctrl); +extern int wcd_clsh_ctrl_get_state(struct wcd_clsh_ctrl *ctrl); +extern int wcd_clsh_ctrl_set_state(struct wcd_clsh_ctrl *ctrl, + enum wcd_clsh_event event, + int state, + enum wcd_clsh_mode mode); + +#endif /* _WCD_CLSH_V2_H_ */ |