| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * Copyright (c) 2015-2018, The Linux Foundation. All rights reserved. |
| */ |
| |
| #ifndef _WCD_CLSH |
| #define _WCD_CLSH |
| |
| #include <linux/stringify.h> |
| |
| #define WCD_CLSH_STRINGIFY(s) __stringify(s) |
| #define CLSH_REQ_ENABLE true |
| #define CLSH_REQ_DISABLE false |
| |
| #define WCD_CLSH_EVENT_PRE_DAC 0x01 |
| #define WCD_CLSH_EVENT_POST_PA 0x02 |
| /* |
| * 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: AUX mode |
| */ |
| #define WCD_CLSH_STATE_IDLE 0x00 |
| #define WCD_CLSH_STATE_EAR (0x01 << 0) |
| #define WCD_CLSH_STATE_HPHL (0x01 << 1) |
| #define WCD_CLSH_STATE_HPHR (0x01 << 2) |
| #define WCD_CLSH_STATE_AUX (0x01 << 3) |
| |
| /* |
| * Though number of CLSH states is 4, max state should be 5 |
| * because state array index starts from 1. |
| */ |
| #define WCD_CLSH_STATE_MAX 5 |
| #define NUM_CLSH_STATES (0x01 << WCD_CLSH_STATE_MAX) |
| |
| /* Derived State: Bits 1 and 2 should be set for Headphone stereo */ |
| #define WCD_CLSH_STATE_HPH_ST (WCD_CLSH_STATE_HPHL | \ |
| WCD_CLSH_STATE_HPHR) |
| |
| #define WCD_CLSH_STATE_HPHL_AUX (WCD_CLSH_STATE_HPHL | \ |
| WCD_CLSH_STATE_AUX) |
| #define WCD_CLSH_STATE_HPHR_AUX (WCD_CLSH_STATE_HPHR | \ |
| WCD_CLSH_STATE_AUX) |
| #define WCD_CLSH_STATE_HPH_ST_AUX (WCD_CLSH_STATE_HPH_ST | \ |
| WCD_CLSH_STATE_AUX) |
| #define WCD_CLSH_STATE_EAR_AUX (WCD_CLSH_STATE_EAR | \ |
| WCD_CLSH_STATE_AUX) |
| #define WCD_CLSH_STATE_HPHL_EAR (WCD_CLSH_STATE_HPHL | \ |
| WCD_CLSH_STATE_EAR) |
| #define WCD_CLSH_STATE_HPHR_EAR (WCD_CLSH_STATE_HPHR | \ |
| WCD_CLSH_STATE_EAR) |
| #define WCD_CLSH_STATE_HPH_ST_EAR (WCD_CLSH_STATE_HPH_ST | \ |
| WCD_CLSH_STATE_EAR) |
| |
| enum { |
| CLS_H_NORMAL = 0, /* Class-H Default */ |
| CLS_H_HIFI, /* Class-H HiFi */ |
| CLS_H_LP, /* Class-H Low Power */ |
| CLS_AB, /* Class-AB Low HIFI*/ |
| CLS_H_LOHIFI, /* LoHIFI */ |
| CLS_H_ULP, /* Ultra Low power */ |
| CLS_AB_HIFI, /* Class-AB */ |
| CLS_NONE, /* None of the above modes */ |
| }; |
| |
| /* Class H data that the codec driver will maintain */ |
| struct wcd_clsh_cdc_info { |
| u8 state; |
| int flyback_users; |
| int buck_users; |
| int interpolator_modes[WCD_CLSH_STATE_MAX]; |
| }; |
| |
| #ifdef CONFIG_SND_SOC_WCD9XXX_V2 |
| extern void wcd_cls_h_fsm(struct snd_soc_component *component, |
| struct wcd_clsh_cdc_info *cdc_clsh_d, |
| u8 clsh_event, u8 req_state, |
| int int_mode); |
| |
| extern void wcd_cls_h_init(struct wcd_clsh_cdc_info *clsh); |
| #else |
| extern void wcd_cls_h_fsm(struct snd_soc_component *component, |
| struct wcd_clsh_cdc_info *cdc_clsh_d, |
| u8 clsh_event, u8 req_state, |
| int int_mode) |
| { |
| } |
| |
| extern void wcd_cls_h_init(struct wcd_clsh_cdc_info *clsh) |
| { |
| } |
| #endif /* CONFIG_SND_SOC_WCD9XXX_V2 */ |
| |
| #endif |