blob: dc00ec6b9d163d9e4ebf8437378a8cda29a80b3e [file] [log] [blame]
/* Copyright (c) 2013, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef WCD9XXX_CODEC_COMMON
#define WCD9XXX_CODEC_COMMON
#include "wcd9xxx-resmgr.h"
#define WCD9XXX_CLSH_REQ_ENABLE true
#define WCD9XXX_CLSH_REQ_DISABLE false
#define WCD9XXX_CLSH_EVENT_PRE_DAC 0x01
#define WCD9XXX_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: Lineout mode
* bit 4: Ultrasound mode
*/
#define WCD9XXX_CLSH_STATE_IDLE 0x00
#define WCD9XXX_CLSH_STATE_EAR (0x01 << 0)
#define WCD9XXX_CLSH_STATE_HPHL (0x01 << 1)
#define WCD9XXX_CLSH_STATE_HPHR (0x01 << 2)
#define WCD9XXX_CLSH_STATE_LO (0x01 << 3)
#define NUM_CLSH_STATES ((0x01 << 4) - 1)
/* Derived State: Bits 1 and 2 should be set for Headphone stereo */
#define WCD9XXX_CLSH_STATE_HPH_ST (WCD9XXX_CLSH_STATE_HPHL | \
WCD9XXX_CLSH_STATE_HPHR)
struct wcd9xxx_reg_mask_val {
u16 reg;
u8 mask;
u8 val;
};
/* Class H data that the codec driver will maintain */
struct wcd9xxx_clsh_cdc_data {
u8 state;
int buck_mv;
struct wcd9xxx_resmgr *resmgr;
};
enum wcd9xxx_buck_volt {
WCD9XXX_CDC_BUCK_UNSUPPORTED = 0,
WCD9XXX_CDC_BUCK_MV_1P8 = 1800000,
WCD9XXX_CDC_BUCK_MV_2P15 = 2150000,
};
extern void wcd9xxx_clsh_fsm(struct snd_soc_codec *codec,
struct wcd9xxx_clsh_cdc_data *cdc_clsh_d,
u8 req_state, bool req_type, u8 clsh_event);
extern void wcd9xxx_clsh_init(struct wcd9xxx_clsh_cdc_data *clsh,
struct wcd9xxx_resmgr *resmgr);
#endif