118 lines
2.8 KiB
C
118 lines
2.8 KiB
C
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/*
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* sm5703-muic.c - SM5703 micro USB switch device driver
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*
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* Copyright (C) 2014 Samsung Electronics
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* Thomas Ryu <smilesr.ryu@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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*/
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#include <linux/gpio.h>
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#include <linux/i2c.h>
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#include <linux/interrupt.h>
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#include <linux/slab.h>
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#include <linux/platform_device.h>
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#include <linux/module.h>
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#include <linux/delay.h>
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#include <linux/host_notify.h>
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#include <linux/muic/muic.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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#if defined (CONFIG_OF)
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#include <linux/of_device.h>
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#include <linux/of_gpio.h>
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#endif /* CONFIG_OF */
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#include "muic-internal.h"
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#include "muic_debug.h"
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#include "muic_i2c.h"
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#include "muic_regmap.h"
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#define MAX_LOG 25
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#ifdef CONFIG_SEC_BSP
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void *muic_dump;
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#endif
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extern bool muic_is_online(void);
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static u8 muic_log_cnt;
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static u8 muic_log[MAX_LOG][3];
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void muic_reg_log(u8 reg, u8 value, u8 rw)
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{
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muic_log[muic_log_cnt][0]=reg;
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muic_log[muic_log_cnt][1]=value;
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muic_log[muic_log_cnt][2]=rw;
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muic_log_cnt++;
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if(muic_log_cnt >= MAX_LOG) muic_log_cnt = 0;
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}
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void muic_print_reg_log(void)
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{
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int i;
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u8 reg, value, rw;
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char mesg[256]="";
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for( i = 0 ; i < MAX_LOG ; i++ )
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{
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reg = muic_log[muic_log_cnt][0];
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value = muic_log[muic_log_cnt][1];
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rw = muic_log[muic_log_cnt][2];
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muic_log_cnt++;
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if(muic_log_cnt >= MAX_LOG) muic_log_cnt = 0;
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sprintf(mesg+strlen(mesg),"%x(%x)%x ", reg, value, rw);
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}
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pr_info("%s:%s\n", __func__, mesg);
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}
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void muic_read_reg_dump(muic_data_t *pmuic, char *mesg)
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{
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struct regmap_ops *pops = pmuic->regmapdesc->regmapops;
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pops->get_formatted_dump(pmuic->regmapdesc, mesg);
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}
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void muic_print_reg_dump(muic_data_t *pmuic)
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{
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char mesg[256]="";
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muic_read_reg_dump(pmuic, mesg);
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pr_info("%s:%s\n", __func__, mesg);
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}
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void muic_show_debug_info(struct work_struct *work)
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{
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muic_data_t *pmuic;
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if (!muic_is_online()) {
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pr_err("%s: muic is offline\n", __func__);
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return;
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}
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pmuic = container_of(work, muic_data_t, usb_work.work);
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mutex_lock(&pmuic->muic_mutex);
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muic_print_reg_log();
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muic_print_reg_dump(pmuic);
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mutex_unlock(&pmuic->muic_mutex);
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schedule_delayed_work(&pmuic->usb_work, msecs_to_jiffies(60000));
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}
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