b9d7807f4e
Update TX requantizer gain coefficients to center gain errors around zero. To reduce click and pop on audio playback enable reference buffers of headphone path in hifi mode and then put it to the usecase specific power mode. Change-Id: I0013d6258d5e5a8c92fd0f951d1d89e5906b2faf Signed-off-by: Karthikeyan Mani <kmani@codeaurora.org>
106 lines
2.9 KiB
C
106 lines
2.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2015-2019, The Linux Foundation. All rights reserved.
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*/
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#ifndef _WCD_CLSH
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#define _WCD_CLSH
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#include <linux/stringify.h>
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#define WCD_CLSH_STRINGIFY(s) __stringify(s)
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#define CLSH_REQ_ENABLE true
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#define CLSH_REQ_DISABLE false
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#define WCD_CLSH_EVENT_PRE_DAC 0x01
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#define WCD_CLSH_EVENT_POST_PA 0x02
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/*
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* Basic states for Class H state machine.
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* represented as a bit mask within a u8 data type
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* bit 0: EAR mode
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* bit 1: HPH Left mode
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* bit 2: HPH Right mode
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* bit 3: AUX mode
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*/
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#define WCD_CLSH_STATE_IDLE 0x00
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#define WCD_CLSH_STATE_EAR (0x01 << 0)
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#define WCD_CLSH_STATE_HPHL (0x01 << 1)
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#define WCD_CLSH_STATE_HPHR (0x01 << 2)
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#define WCD_CLSH_STATE_AUX (0x01 << 3)
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/*
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* Though number of CLSH states is 4, max state should be 5
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* because state array index starts from 1.
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*/
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#define WCD_CLSH_STATE_MAX 5
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#define NUM_CLSH_STATES (0x01 << WCD_CLSH_STATE_MAX)
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/* Derived State: Bits 1 and 2 should be set for Headphone stereo */
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#define WCD_CLSH_STATE_HPH_ST (WCD_CLSH_STATE_HPHL | \
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WCD_CLSH_STATE_HPHR)
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#define WCD_CLSH_STATE_HPHL_AUX (WCD_CLSH_STATE_HPHL | \
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WCD_CLSH_STATE_AUX)
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#define WCD_CLSH_STATE_HPHR_AUX (WCD_CLSH_STATE_HPHR | \
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WCD_CLSH_STATE_AUX)
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#define WCD_CLSH_STATE_HPH_ST_AUX (WCD_CLSH_STATE_HPH_ST | \
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WCD_CLSH_STATE_AUX)
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#define WCD_CLSH_STATE_EAR_AUX (WCD_CLSH_STATE_EAR | \
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WCD_CLSH_STATE_AUX)
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#define WCD_CLSH_STATE_HPHL_EAR (WCD_CLSH_STATE_HPHL | \
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WCD_CLSH_STATE_EAR)
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#define WCD_CLSH_STATE_HPHR_EAR (WCD_CLSH_STATE_HPHR | \
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WCD_CLSH_STATE_EAR)
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#define WCD_CLSH_STATE_HPH_ST_EAR (WCD_CLSH_STATE_HPH_ST | \
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WCD_CLSH_STATE_EAR)
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enum {
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CLS_H_NORMAL = 0, /* Class-H Default */
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CLS_H_HIFI, /* Class-H HiFi */
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CLS_H_LP, /* Class-H Low Power */
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CLS_AB, /* Class-AB Low HIFI*/
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CLS_H_LOHIFI, /* LoHIFI */
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CLS_H_ULP, /* Ultra Low power */
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CLS_AB_HIFI, /* Class-AB */
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CLS_AB_LP, /* Class-AB Low Power */
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CLS_AB_LOHIFI, /* Class-AB Low HIFI */
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CLS_NONE, /* None of the above modes */
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};
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/* Class H data that the codec driver will maintain */
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struct wcd_clsh_cdc_info {
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u8 state;
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int flyback_users;
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int buck_users;
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int interpolator_modes[WCD_CLSH_STATE_MAX];
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};
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#ifdef CONFIG_SND_SOC_WCD9XXX_V2
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extern void wcd_cls_h_fsm(struct snd_soc_component *component,
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struct wcd_clsh_cdc_info *cdc_clsh_d,
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u8 clsh_event, u8 req_state,
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int int_mode);
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extern void wcd_cls_h_init(struct wcd_clsh_cdc_info *clsh);
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extern void wcd_clsh_set_hph_mode(struct snd_soc_component *component,
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int mode);
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#else
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static inline void wcd_cls_h_fsm(struct snd_soc_component *component,
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struct wcd_clsh_cdc_info *cdc_clsh_d,
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u8 clsh_event, u8 req_state,
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int int_mode)
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{
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}
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static inline extern void wcd_cls_h_init(struct wcd_clsh_cdc_info *clsh)
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{
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}
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static inline extern void wcd_clsh_set_hph_mode(struct snd_soc_component *component,
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int mode)
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{
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}
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#endif /* CONFIG_SND_SOC_WCD9XXX_V2 */
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#endif
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