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/* Copyright (c) 2011-2012, Code Aurora Forum. 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.
*/
#include <sound/soc.h>
#include <sound/jack.h>
#include <linux/mfd/wcd9310/wcd9310-slimslave.h>
#define TABLA_NUM_REGISTERS 0x400
#define TABLA_MAX_REGISTER (TABLA_NUM_REGISTERS-1)
#define TABLA_CACHE_SIZE TABLA_NUM_REGISTERS
#define TABLA_1_X_ONLY_REGISTERS 3
#define TABLA_2_HIGHER_ONLY_REGISTERS 3
#define TABLA_REG_VAL(reg, val) {reg, 0, val}
#define DEFAULT_DCE_STA_WAIT 55
#define DEFAULT_DCE_WAIT 60000
#define DEFAULT_STA_WAIT 5000
#define STA 0
#define DCE 1
#define TABLA_JACK_BUTTON_MASK (SND_JACK_BTN_0 | SND_JACK_BTN_1 | \
SND_JACK_BTN_2 | SND_JACK_BTN_3 | \
SND_JACK_BTN_4 | SND_JACK_BTN_5 | \
SND_JACK_BTN_6 | SND_JACK_BTN_7)
extern const u8 tabla_reg_readable[TABLA_CACHE_SIZE];
extern const u32 tabla_1_reg_readable[TABLA_1_X_ONLY_REGISTERS];
extern const u32 tabla_2_reg_readable[TABLA_2_HIGHER_ONLY_REGISTERS];
extern const u8 tabla_reg_defaults[TABLA_CACHE_SIZE];
enum tabla_micbias_num {
TABLA_MICBIAS1,
TABLA_MICBIAS2,
TABLA_MICBIAS3,
TABLA_MICBIAS4,
};
enum tabla_pid_current {
TABLA_PID_MIC_2P5_UA,
TABLA_PID_MIC_5_UA,
TABLA_PID_MIC_10_UA,
TABLA_PID_MIC_20_UA,
};
struct tabla_reg_mask_val {
u16 reg;
u8 mask;
u8 val;
};
enum tabla_mbhc_clk_freq {
TABLA_MCLK_12P2MHZ = 0,
TABLA_MCLK_9P6MHZ,
TABLA_NUM_CLK_FREQS,
};
enum tabla_mbhc_analog_pwr_cfg {
TABLA_ANALOG_PWR_COLLAPSED = 0,
TABLA_ANALOG_PWR_ON,
TABLA_NUM_ANALOG_PWR_CONFIGS,
};
enum tabla_mbhc_btn_det_mem {
TABLA_BTN_DET_V_BTN_LOW,
TABLA_BTN_DET_V_BTN_HIGH,
TABLA_BTN_DET_N_READY,
TABLA_BTN_DET_N_CIC,
TABLA_BTN_DET_GAIN
};
struct tabla_mbhc_general_cfg {
u8 t_ldoh;
u8 t_bg_fast_settle;
u8 t_shutdown_plug_rem;
u8 mbhc_nsa;
u8 mbhc_navg;
u8 v_micbias_l;
u8 v_micbias;
u8 mbhc_reserved;
u16 settle_wait;
u16 t_micbias_rampup;
u16 t_micbias_rampdown;
u16 t_supply_bringup;
} __packed;
struct tabla_mbhc_plug_detect_cfg {
u32 mic_current;
u32 hph_current;
u16 t_mic_pid;
u16 t_ins_complete;
u16 t_ins_retry;
u16 v_removal_delta;
u8 micbias_slow_ramp;
u8 reserved0;
u8 reserved1;
u8 reserved2;
} __packed;
struct tabla_mbhc_plug_type_cfg {
u8 av_detect;
u8 mono_detect;
u8 num_ins_tries;
u8 reserved0;
s16 v_no_mic;
s16 v_av_min;
s16 v_av_max;
s16 v_hs_min;
s16 v_hs_max;
u16 reserved1;
} __packed;
struct tabla_mbhc_btn_detect_cfg {
s8 c[8];
u8 nc;
u8 n_meas;
u8 mbhc_nsc;
u8 n_btn_meas;
u8 n_btn_con;
u8 num_btn;
u8 reserved0;
u8 reserved1;
u16 t_poll;
u16 t_bounce_wait;
u16 t_rel_timeout;
s16 v_btn_press_delta_sta;
s16 v_btn_press_delta_cic;
u16 t_btn0_timeout;
s16 _v_btn_low[0]; /* v_btn_low[num_btn] */
s16 _v_btn_high[0]; /* v_btn_high[num_btn] */
u8 _n_ready[TABLA_NUM_CLK_FREQS];
u8 _n_cic[TABLA_NUM_CLK_FREQS];
u8 _gain[TABLA_NUM_CLK_FREQS];
} __packed;
struct tabla_mbhc_imped_detect_cfg {
u8 _hs_imped_detect;
u8 _n_rload;
u8 _hph_keep_on;
u8 _repeat_rload_calc;
u16 _t_dac_ramp_time;
u16 _rhph_high;
u16 _rhph_low;
u16 _rload[0]; /* rload[n_rload] */
u16 _alpha[0]; /* alpha[n_rload] */
u16 _beta[3];
} __packed;
extern int tabla_hs_detect(struct snd_soc_codec *codec,
struct snd_soc_jack *headset_jack,
struct snd_soc_jack *button_jack,
void *calibration, enum tabla_micbias_num micbis,
int (*mclk_cb_fn) (struct snd_soc_codec*, int),
int read_fw_bin, u32 mclk_rate);
struct anc_header {
u32 reserved[3];
u32 num_anc_slots;
};
extern int tabla_mclk_enable(struct snd_soc_codec *codec, int mclk_enable);
extern void *tabla_mbhc_cal_btn_det_mp(const struct tabla_mbhc_btn_detect_cfg
*btn_det,
const enum tabla_mbhc_btn_det_mem mem);
#define TABLA_MBHC_CAL_SIZE(buttons, rload) ( \
sizeof(enum tabla_micbias_num) + \
sizeof(struct tabla_mbhc_general_cfg) + \
sizeof(struct tabla_mbhc_plug_detect_cfg) + \
((sizeof(s16) + sizeof(s16)) * buttons) + \
sizeof(struct tabla_mbhc_plug_type_cfg) + \
sizeof(struct tabla_mbhc_btn_detect_cfg) + \
sizeof(struct tabla_mbhc_imped_detect_cfg) + \
((sizeof(u16) + sizeof(u16)) * rload) \
)
#define TABLA_MBHC_CAL_GENERAL_PTR(cali) ( \
(struct tabla_mbhc_general_cfg *) cali)
#define TABLA_MBHC_CAL_PLUG_DET_PTR(cali) ( \
(struct tabla_mbhc_plug_detect_cfg *) \
&(TABLA_MBHC_CAL_GENERAL_PTR(cali)[1]))
#define TABLA_MBHC_CAL_PLUG_TYPE_PTR(cali) ( \
(struct tabla_mbhc_plug_type_cfg *) \
&(TABLA_MBHC_CAL_PLUG_DET_PTR(cali)[1]))
#define TABLA_MBHC_CAL_BTN_DET_PTR(cali) ( \
(struct tabla_mbhc_btn_detect_cfg *) \
&(TABLA_MBHC_CAL_PLUG_TYPE_PTR(cali)[1]))
#define TABLA_MBHC_CAL_IMPED_DET_PTR(cali) ( \
(struct tabla_mbhc_imped_detect_cfg *) \
(((void *)&TABLA_MBHC_CAL_BTN_DET_PTR(cali)[1]) + \
(TABLA_MBHC_CAL_BTN_DET_PTR(cali)->num_btn * \
(sizeof(TABLA_MBHC_CAL_BTN_DET_PTR(cali)->_v_btn_low[0]) + \
sizeof(TABLA_MBHC_CAL_BTN_DET_PTR(cali)->_v_btn_high[0])))) \
)
/* minimum size of calibration data assuming there is only one button and
* one rload.
*/
#define TABLA_MBHC_CAL_MIN_SIZE ( \
sizeof(struct tabla_mbhc_general_cfg) + \
sizeof(struct tabla_mbhc_plug_detect_cfg) + \
sizeof(struct tabla_mbhc_plug_type_cfg) + \
sizeof(struct tabla_mbhc_btn_detect_cfg) + \
sizeof(struct tabla_mbhc_imped_detect_cfg) + \
(sizeof(u16) * 2))
#define TABLA_MBHC_CAL_BTN_SZ(cfg_ptr) ( \
sizeof(struct tabla_mbhc_btn_detect_cfg) + \
(cfg_ptr->num_btn * (sizeof(cfg_ptr->_v_btn_low[0]) + \
sizeof(cfg_ptr->_v_btn_high[0]))))
#define TABLA_MBHC_CAL_IMPED_MIN_SZ ( \
sizeof(struct tabla_mbhc_imped_detect_cfg) + \
sizeof(u16) * 2)
#define TABLA_MBHC_CAL_IMPED_SZ(cfg_ptr) ( \
sizeof(struct tabla_mbhc_imped_detect_cfg) + \
(cfg_ptr->_n_rload * (sizeof(cfg_ptr->_rload[0]) + \
sizeof(cfg_ptr->_alpha[0]))))