81 lines
2.1 KiB
C
81 lines
2.1 KiB
C
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/* Copyright (c) 2013, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef WCD9XXX_CODEC_COMMON
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#define WCD9XXX_CODEC_COMMON
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#include "wcd9xxx-resmgr.h"
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#define WCD9XXX_CLSH_REQ_ENABLE true
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#define WCD9XXX_CLSH_REQ_DISABLE false
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#define WCD9XXX_CLSH_EVENT_PRE_DAC 0x01
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#define WCD9XXX_CLSH_EVENT_POST_PA 0x02
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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: Lineout mode
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* bit 4: Ultrasound mode
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*/
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#define WCD9XXX_CLSH_STATE_IDLE 0x00
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#define WCD9XXX_CLSH_STATE_EAR (0x01 << 0)
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#define WCD9XXX_CLSH_STATE_HPHL (0x01 << 1)
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#define WCD9XXX_CLSH_STATE_HPHR (0x01 << 2)
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#define WCD9XXX_CLSH_STATE_LO (0x01 << 3)
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#define NUM_CLSH_STATES ((0x01 << 4) - 1)
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/* Derived State: Bits 1 and 2 should be set for Headphone stereo */
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#define WCD9XXX_CLSH_STATE_HPH_ST (WCD9XXX_CLSH_STATE_HPHL | \
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WCD9XXX_CLSH_STATE_HPHR)
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struct wcd9xxx_reg_mask_val {
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u16 reg;
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u8 mask;
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u8 val;
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};
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/* Class H data that the codec driver will maintain */
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struct wcd9xxx_clsh_cdc_data {
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u8 state;
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int buck_mv;
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struct wcd9xxx_resmgr *resmgr;
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};
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struct wcd9xxx_anc_header {
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u32 reserved[3];
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u32 num_anc_slots;
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};
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enum wcd9xxx_buck_volt {
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WCD9XXX_CDC_BUCK_UNSUPPORTED = 0,
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WCD9XXX_CDC_BUCK_MV_1P8 = 1800000,
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WCD9XXX_CDC_BUCK_MV_2P15 = 2150000,
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};
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extern void wcd9xxx_clsh_fsm(struct snd_soc_codec *codec,
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struct wcd9xxx_clsh_cdc_data *cdc_clsh_d,
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u8 req_state, bool req_type, u8 clsh_event);
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extern void wcd9xxx_clsh_init(struct wcd9xxx_clsh_cdc_data *clsh,
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struct wcd9xxx_resmgr *resmgr);
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enum wcd9xxx_codec_event {
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WCD9XXX_CODEC_EVENT_CODEC_UP = 0,
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};
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#endif
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