/* 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_AUX BIT(4 )
#define WCD_CLSH_STATE_MAX 4
#define WCD_CLSH_V3_STATE_MAX 5
#define NUM_CLSH_STATES_V2 BIT(WCD_CLSH_STATE_MAX)
#define NUM_CLSH_STATES_V3 BIT(WCD_CLSH_V3_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_H_ULP, /* Ultra Low power */
CLS_AB_HIFI, /* Class-AB */
CLS_AB_LP, /* Class-AB Low Power */
CLS_AB_LOHIFI, /* Class-AB Low HIFI */
CLS_NONE, /* None of the above modes */
};
enum wcd_codec_version {
WCD9335 = 0 ,
WCD934X = 1 ,
/* New CLSH after this */
WCD937X = 2 ,
WCD938X = 3 ,
WCD939X = 4 ,
};
struct wcd_clsh_ctrl;
extern struct wcd_clsh_ctrl *wcd_clsh_ctrl_alloc(
struct snd_soc_component *comp,
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 clsh_event,
int nstate,
enum wcd_clsh_mode mode);
extern void wcd_clsh_set_hph_mode(struct wcd_clsh_ctrl *ctrl,
int mode);
#endif /* _WCD_CLSH_V2_H_ */
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(vorverarbeitet am 2026-10-11)
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