256 lines
6.3 KiB
C
256 lines
6.3 KiB
C
/*
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* max77833-muic.c - MUIC driver for the Maxim 77833
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*
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* Copyright (C) 2015 Samsung Electronics
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* Insun Choi <insun77.choi@samsung.com>
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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 as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/i2c.h>
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#include <linux/gpio.h>
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#include <linux/slab.h>
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#include <linux/interrupt.h>
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#include <linux/err.h>
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#include <linux/platform_device.h>
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#include <linux/workqueue.h>
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#include <linux/mfd/max77833.h>
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#include <linux/mfd/max77833-private.h>
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/* MUIC header file */
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#include <linux/muic/muic.h>
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#include <linux/muic/max77833-muic.h>
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#include <linux/muic/max77833-muic-hv.h>
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#if defined(CONFIG_MUIC_NOTIFIER)
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#include <linux/muic/muic_notifier.h>
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#endif /* CONFIG_MUIC_NOTIFIER */
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void max77833_muic_hv_qc_autoset(struct max77833_muic_data *muic_data, u8 val, u8 mask)
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{
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cmd_queue_t *cmd_queue = &(muic_data->muic_cmd_queue);
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muic_cmd_data cmd_data;
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u8 opcode = COMMAND_QC_AUTOSET_WRITE;
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u8 reg = MAX77833_MUIC_REG_DAT_IN1;
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pr_info("%s:%s\n", MUIC_DEV_NAME, __func__);
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init_muic_cmd_data(&cmd_data);
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cmd_data.opcode = opcode;
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cmd_data.reg = reg;
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cmd_data.val = val;
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cmd_data.mask = mask;
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enqueue_muic_cmd(cmd_queue, cmd_data);
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init_muic_cmd_data(&cmd_data);
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cmd_data.response = opcode;
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enqueue_muic_cmd(cmd_queue, cmd_data);
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return;
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}
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void max77833_muic_hv_qc_enable(struct max77833_muic_data *muic_data)
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{
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cmd_queue_t *cmd_queue = &(muic_data->muic_cmd_queue);
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muic_cmd_data cmd_data;
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u8 opcode = COMMAND_QC_ENABLE_READ;
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u8 reg = MAX77833_MUIC_REG_DAT_OUT1;
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pr_info("%s:%s\n", MUIC_DEV_NAME, __func__);
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init_muic_cmd_data(&cmd_data);
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cmd_data.opcode = opcode;
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enqueue_muic_cmd(cmd_queue, cmd_data);
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init_muic_cmd_data(&cmd_data);
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cmd_data.response = opcode;
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cmd_data.reg = reg;
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enqueue_muic_cmd(cmd_queue, cmd_data);
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return;
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}
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void max77833_muic_hv_qc_disable(struct max77833_muic_data *muic_data)
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{
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cmd_queue_t *cmd_queue = &(muic_data->muic_cmd_queue);
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muic_cmd_data cmd_data;
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u8 opcode = COMMAND_QC_DISABLE_READ;
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u8 reg = MAX77833_MUIC_REG_DAT_OUT1;
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pr_info("%s:%s\n", MUIC_DEV_NAME, __func__);
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init_muic_cmd_data(&cmd_data);
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cmd_data.opcode = opcode;
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enqueue_muic_cmd(cmd_queue, cmd_data);
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init_muic_cmd_data(&cmd_data);
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cmd_data.response = opcode;
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cmd_data.reg = reg;
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enqueue_muic_cmd(cmd_queue, cmd_data);
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return;
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}
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void max77833_muic_hv_chgin_read(struct max77833_muic_data *muic_data)
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{
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cmd_queue_t *cmd_queue = &(muic_data->muic_cmd_queue);
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muic_cmd_data cmd_data;
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u8 opcode = COMMAND_CHGIN_READ;
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u8 reg = MAX77833_MUIC_REG_DAT_OUT1;
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pr_info("%s:%s\n", MUIC_DEV_NAME, __func__);
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init_muic_cmd_data(&cmd_data);
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cmd_data.opcode = opcode;
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enqueue_muic_cmd(cmd_queue, cmd_data);
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init_muic_cmd_data(&cmd_data);
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cmd_data.response = opcode;
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cmd_data.reg = reg;
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enqueue_muic_cmd(cmd_queue, cmd_data);
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return;
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}
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void max77833_muic_hv_fchv_capa_read(struct max77833_muic_data *muic_data)
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{
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cmd_queue_t *cmd_queue = &(muic_data->muic_cmd_queue);
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muic_cmd_data cmd_data;
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u8 opcode = COMMAND_AFC_CAPA_READ;
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u8 reg = MAX77833_MUIC_REG_DAT_OUT1;
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pr_info("%s:%s\n", MUIC_DEV_NAME, __func__);
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init_muic_cmd_data(&cmd_data);
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cmd_data.opcode = opcode;
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enqueue_muic_cmd(cmd_queue, cmd_data);
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init_muic_cmd_data(&cmd_data);
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cmd_data.response = opcode;
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cmd_data.reg = reg;
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enqueue_muic_cmd(cmd_queue, cmd_data);
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return;
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}
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void max77833_muic_hv_fchv_set(struct max77833_muic_data *muic_data, u8 val, u8 mask)
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{
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cmd_queue_t *cmd_queue = &(muic_data->muic_cmd_queue);
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muic_cmd_data cmd_data;
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u8 opcode = COMMAND_AFC_SET_WRITE;
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u8 reg = MAX77833_MUIC_REG_DAT_IN1;
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pr_info("%s:%s\n", MUIC_DEV_NAME, __func__);
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init_muic_cmd_data(&cmd_data);
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cmd_data.opcode = opcode;
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cmd_data.reg = reg;
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cmd_data.val = val;
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cmd_data.mask = mask;
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enqueue_muic_cmd(cmd_queue, cmd_data);
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init_muic_cmd_data(&cmd_data);
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cmd_data.response = opcode;
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enqueue_muic_cmd(cmd_queue, cmd_data);
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return;
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}
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void max77833_muic_hv_fchv_enable(struct max77833_muic_data *muic_data, u8 val, u8 mask)
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{
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cmd_queue_t *cmd_queue = &(muic_data->muic_cmd_queue);
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muic_cmd_data cmd_data;
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u8 opcode = COMMAND_AFC_ENABLE_READ;
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u8 reg = MAX77833_MUIC_REG_DAT_IN1;
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pr_info("%s:%s\n", MUIC_DEV_NAME, __func__);
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init_muic_cmd_data(&cmd_data);
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cmd_data.opcode = opcode;
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cmd_data.reg = reg;
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cmd_data.val = val;
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cmd_data.mask = mask;
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enqueue_muic_cmd(cmd_queue, cmd_data);
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init_muic_cmd_data(&cmd_data);
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cmd_data.response = opcode;
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enqueue_muic_cmd(cmd_queue, cmd_data);
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return;
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}
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void max77833_muic_hv_fchv_disable(struct max77833_muic_data *muic_data)
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{
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cmd_queue_t *cmd_queue = &(muic_data->muic_cmd_queue);
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muic_cmd_data cmd_data;
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u8 opcode = COMMAND_AFC_DISABLE_READ;
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u8 reg = MAX77833_MUIC_REG_DAT_OUT1;
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pr_info("%s:%s\n", MUIC_DEV_NAME, __func__);
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init_muic_cmd_data(&cmd_data);
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cmd_data.opcode = opcode;
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enqueue_muic_cmd(cmd_queue, cmd_data);
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init_muic_cmd_data(&cmd_data);
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cmd_data.response = opcode;
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cmd_data.reg = reg;
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enqueue_muic_cmd(cmd_queue, cmd_data);
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return;
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}
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void max77833_muic_set_afc_ready(struct max77833_muic_data *muic_data, bool value)
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{
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bool before, after;
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before = muic_data->is_check_hv;
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muic_data->is_check_hv = value;
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after = muic_data->is_check_hv;
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pr_info("%s:%s check_hv[%d->%d]\n", MUIC_DEV_NAME, __func__, before, after);
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}
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void max77833_muic_hv_fchv_disable_set(struct max77833_muic_data *muic_data)
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{
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pr_info("%s:%s\n", MUIC_DEV_NAME, __func__);
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max77833_muic_set_afc_ready(muic_data, false);
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max77833_muic_hv_fchv_disable(muic_data);
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return;
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}
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void max77833_muic_hv_qc_disable_set(struct max77833_muic_data *muic_data)
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{
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pr_info("%s:%s\n", MUIC_DEV_NAME, __func__);
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max77833_muic_set_afc_ready(muic_data, false);
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max77833_muic_hv_qc_disable(muic_data);
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return;
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}
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