129 lines
3.3 KiB
C
129 lines
3.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2019 MediaTek Inc.
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*/
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/******************************************************************************
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* mt6575_vibrator.c - MT6575 Android Linux Vibrator Device Driver
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*
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* Copyright 2009-2010 MediaTek Co.,Ltd.
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*
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* DESCRIPTION:
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* This file provid the other drivers vibrator relative functions
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*
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******************************************************************************/
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/device.h>
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#include <linux/slab.h>
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#include <linux/of.h>
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#include <linux/types.h>
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#include <linux/platform_device.h>
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#include <mt-plat/upmu_common.h>
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#include "vibrator.h"
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#include "vibrator_hal.h"
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#include <linux/regulator/consumer.h>
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struct vibrator_hw *pvib_cust;
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static int debug_enable_vib_hal = 1;
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/* #define pr_fmt(fmt) "[vibrator]"fmt */
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#define VIB_DEBUG(format, args...) do { \
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if (debug_enable_vib_hal) {\
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pr_debug(format, ##args);\
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} \
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} while (0)
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void vibr_Enable_HW(struct regulator *reg)
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{
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if (regulator_enable(reg))
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pr_notice("set vibr_reg enable failed!\n");
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}
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void vibr_Disable_HW(struct regulator *reg)
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{
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if (regulator_disable(reg))
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pr_notice("set vibr_reg enable failed!\n");
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}
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void init_vibr_oc_handler(void (*vibr_oc_func)(void))
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{
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/* add corresponding interrupt registration */
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/* Ex: pmic_register_interrupt_callback(INT_VIBR_OC, vibr_oc_func); */
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}
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/******************************************
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* Set RG_VIBR_VOSEL Output voltage select
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* hw->vib_vol: Voltage selection
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* 4'b0000 :1.2V
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* 4'b0001 :1.3V
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* 4'b0010 :1.5V
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* 4'b0100 :1.8V
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* 4'b1001 :2.8V
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* 4'b1010 :2.9V
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* 4'b1011 :3.0V
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* 4'b1101 :3.3V
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*******************************************/
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void init_cust_vibrator_dtsi(struct platform_device *pdev)
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{
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int ret;
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if (pvib_cust == NULL) {
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pvib_cust = kmalloc(sizeof(struct vibrator_hw), GFP_KERNEL);
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if (pvib_cust == NULL) {
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VIB_DEBUG("%s kmalloc fail\n", __func__);
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return;
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}
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ret = of_property_read_u32(pdev->dev.of_node, "vib_timer", &(pvib_cust->vib_timer));
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if (!ret)
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VIB_DEBUG("The vibrator timer from dts is : %d\n", pvib_cust->vib_timer);
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else
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pvib_cust->vib_timer = 25;
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#ifdef CUST_VIBR_LIMIT
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ret = of_property_read_u32(pdev->dev.of_node, "vib_limit", &(pvib_cust->vib_limit));
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if (!ret)
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VIB_DEBUG("The vibrator limit from dts is : %d\n", pvib_cust->vib_limit);
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else
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pvib_cust->vib_limit = 9;
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#endif
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#ifdef CUST_VIBR_VOL
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ret = of_property_read_u32(pdev->dev.of_node, "vib_vol", &(pvib_cust->vib_vol));
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if (!ret)
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VIB_DEBUG("The vibrator vol from dts is : %d\n", pvib_cust->vib_vol);
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else
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pvib_cust->vib_vol = 0x05;
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#endif
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VIB_DEBUG("pvib_cust = %d, %d, %d\n", pvib_cust->vib_timer, pvib_cust->vib_limit, pvib_cust->vib_vol);
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}
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}
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struct vibrator_hw *get_cust_vibrator_dtsi(void)
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{
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if (pvib_cust == NULL)
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VIB_DEBUG("get_cust_vibrator_dtsi fail, pvib_cust is NULL\n");
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return pvib_cust;
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}
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void vibr_power_set(void)
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{
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#ifdef CUST_VIBR_VOL
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struct vibrator_hw *hw = get_cust_vibrator_dtsi();
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if (hw != NULL) {
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VIB_DEBUG("vibr_init: vibrator set voltage = %d\n", hw->vib_vol);
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pmic_set_register_value(PMIC_RG_VIBR_VOSEL, hw->vib_vol);
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} else {
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VIB_DEBUG("vibr_init: can not get vibrator settings from dtsi!\n");
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}
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#endif
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}
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struct vibrator_hw *mt_get_cust_vibrator_hw(void)
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{
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struct vibrator_hw *hw = get_cust_vibrator_dtsi();
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return hw;
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}
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