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Commit 92fad90a authored by Vatsal Bucha's avatar Vatsal Bucha
Browse files

ASoC: Add MBHC and IRQ driver for WCD937X 



Add MBHC and IRQ driver for tanggu codec.
MBHC and IRQ for tanggu are initialized from
core driver. IRQ driver uses REGMAP-IRQ
framework.

CRs-Fixed: 2281591
Change-Id: I06adb3081dd17f896b3e6a3ce0c4c46b5ef1cbea
Signed-off-by: default avatarVatsal Bucha <vbucha@codeaurora.org>
parent 9b37ac95

asoc/codecs/wcd937x/Kbuild

+1 −0
Original line number Diff line number Diff line
@@ -54,6 +54,7 @@ ifdef CONFIG_SND_SOC_WCD937X 
	WCD937X_OBJS += wcd937x.o

	WCD937X_OBJS += wcd937x-regmap.o

	WCD937X_OBJS += wcd937x-tables.o

	WCD937X_OBJS += wcd937x-mbhc.o

endif



ifdef CONFIG_SND_SOC_WCD937X_SLAVE

asoc/codecs/wcd937x/internal.h

+53 −2
Original line number Diff line number Diff line
@@ -14,9 +14,14 @@ 
#define _WCD937X_INTERNAL_H



#include "../wcd-mbhc-v2.h"

#include "asoc/wcd-irq.h"

#include "wcd937x-mbhc.h"



#define WCD937X_MAX_MICBIAS 3



/* Convert from vout ctl to micbias voltage in mV */

#define  WCD_VOUT_CTL_TO_MICB(v)  (1000 + v * 50)



extern struct regmap_config wcd937x_regmap_config;



struct wcd937x_priv {
@@ -36,23 +41,69 @@ struct wcd937x_priv { 
	struct fw_info *fw_data;

	struct device_node *wcd_rst_np;



	struct mutex micb_lock;

	s32 dmic_0_1_clk_cnt;

	s32 dmic_2_3_clk_cnt;

	s32 dmic_4_5_clk_cnt;

	/* mbhc module */

	struct wcd_mbhc mbhc;

	struct wcd937x_mbhc *mbhc;

	struct blocking_notifier_head notifier;

	struct mutex micb_lock;



	u32 hph_mode;



	struct irq_domain *virq;

	struct wcd_irq_info *irq_info;

	u32 rx_clk_cnt;

	int num_irq_regs;

};



struct wcd937x_micbias_setting {

	u8 ldoh_v;

	u32 cfilt1_mv;

	u32 micb2_mv;

	u8 bias1_cfilt_sel;

};



struct wcd937x_pdata {

	struct device_node *rst_np;

	struct device_node *rx_slave;

	struct device_node *tx_slave;

	struct wcd937x_micbias_setting micbias;

};



enum {

	/* INTR_CTRL_INT_MASK_0 */

	WCD937X_IRQ_MBHC_BUTTON_RELEASE_DET = 0,

	WCD937X_IRQ_MBHC_BUTTON_PRESS_DET,

	WCD937X_IRQ_MBHC_ELECT_INS_REM_DET,

	WCD937X_IRQ_MBHC_ELECT_INS_REM_LEG_DET,

	WCD937X_IRQ_MBHC_SW_DET,

	WCD937X_IRQ_HPHR_OCP_INT,

	WCD937X_IRQ_HPHR_CNP_INT,

	WCD937X_IRQ_HPHL_OCP_INT,



	/* INTR_CTRL_INT_MASK_1 */

	WCD937X_IRQ_HPHL_CNP_INT,

	WCD937X_IRQ_EAR_CNP_INT,

	WCD937X_IRQ_EAR_SCD_INT,

	WCD937X_IRQ_AUX_CNP_INT,

	WCD937X_IRQ_AUX_SCD_INT,

	WCD937X_IRQ_HPHL_PDM_WD_INT,

	WCD937X_IRQ_HPHR_PDM_WD_INT,

	WCD937X_IRQ_AUX_PDM_WD_INT,



	/* INTR_CTRL_INT_MASK_2 */

	WCD937X_IRQ_LDORT_SCD_INT,

	WCD937X_IRQ_MBHC_MOISTURE_INT,

	WCD937X_IRQ_HPHL_SURGE_DET_INT,

	WCD937X_IRQ_HPHR_SURGE_DET_INT,

	WCD937X_NUM_IRQS,

};



extern struct wcd937x_mbhc *wcd937x_soc_get_mbhc(struct snd_soc_codec *codec);

extern int wcd937x_mbhc_micb_adjust_voltage(struct snd_soc_codec *codec,

					int volt, int micb_num);

extern int wcd937x_get_micb_vout_ctl_val(u32 micb_mv);

extern int wcd937x_micbias_control(struct snd_soc_codec *codec, int micb_num,

			int req, bool is_dapm);

#endif