| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | |
| 3 | #ifndef _WCD_CLSH_V2_H_ |
| 4 | #define _WCD_CLSH_V2_H_ |
| 5 | #include <sound/soc.h> |
| 6 | |
| 7 | enum wcd_clsh_event { |
| 8 | WCD_CLSH_EVENT_PRE_DAC = 1, |
| 9 | WCD_CLSH_EVENT_POST_PA, |
| 10 | }; |
| 11 | |
| 12 | /* |
| 13 | * Basic states for Class H state machine. |
| 14 | * represented as a bit mask within a u8 data type |
| 15 | * bit 0: EAR mode |
| 16 | * bit 1: HPH Left mode |
| 17 | * bit 2: HPH Right mode |
| 18 | * bit 3: Lineout mode |
| 19 | */ |
| 20 | #define WCD_CLSH_STATE_IDLE 0 |
| 21 | #define WCD_CLSH_STATE_EAR BIT(0) |
| 22 | #define WCD_CLSH_STATE_HPHL BIT(1) |
| 23 | #define WCD_CLSH_STATE_HPHR BIT(2) |
| 24 | #define WCD_CLSH_STATE_LO BIT(3) |
| 25 | #define WCD_CLSH_STATE_MAX 4 |
| 26 | #define NUM_CLSH_STATES_V2 BIT(WCD_CLSH_STATE_MAX) |
| 27 | |
| 28 | enum wcd_clsh_mode { |
| 29 | CLS_H_NORMAL = 0, /* Class-H Default */ |
| 30 | CLS_H_HIFI, /* Class-H HiFi */ |
| 31 | CLS_H_LP, /* Class-H Low Power */ |
| 32 | CLS_AB, /* Class-AB */ |
| 33 | CLS_H_LOHIFI, /* LoHIFI */ |
| 34 | CLS_NONE, /* None of the above modes */ |
| 35 | }; |
| 36 | |
| 37 | struct wcd_clsh_ctrl; |
| 38 | |
| 39 | extern struct wcd_clsh_ctrl *wcd_clsh_ctrl_alloc( |
| 40 | struct snd_soc_component *component, |
| 41 | int version); |
| 42 | extern void wcd_clsh_ctrl_free(struct wcd_clsh_ctrl *ctrl); |
| 43 | extern int wcd_clsh_ctrl_get_state(struct wcd_clsh_ctrl *ctrl); |
| 44 | extern int wcd_clsh_ctrl_set_state(struct wcd_clsh_ctrl *ctrl, |
| 45 | enum wcd_clsh_event event, |
| 46 | int state, |
| 47 | enum wcd_clsh_mode mode); |
| 48 | |
| 49 | #endif /* _WCD_CLSH_V2_H_ */ |