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android_kernel_samsung_msm8226/drivers/misc/sm5502.c

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/*
* driver/misc/sm5502.c - SM5502 micro USB switch device driver
*
* Copyright (C) 2013 Samsung Electronics
* Jeongrae Kim <jryu.kim@samsung.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/****************************** Revision History ******************************************
*CH# Product author Description Date
*-----------------------------------------------------------------------------------------
*01 Millet & nc.chaudhary Modified the ISR for AT+OTGGTEST=0,0 30-Jan-2014
* Matisse all AT Command failure issue during SMD
* variants test.
*02 Millet & Matise nc.chaudhary Enabling the support for Cardock in 02-Feb-2014
* All Variants Factory Images only.
*03 Millet & Matise nc.chaudhary Modified the ISR for the VBUS-UART 02-Feb-2014
* All Variants cable not working properly.
*04 MSM8x26 & MSM8926 nc.chaudhary Modified the ISR for OTG SMD Test fail 08-Feb-2014
* All variants when checking OTG with UART AT Cmds.
*05 MSM8x26 & MSM8926 nc.chaudhary Modified the cable type in the deskdock 12-Feb-2014
* All variants callback depending on VBUS presence.
*06 MSM8x26 & MSM8926 nc.chaudhary Modified ISR to report VBUS change 19-Feb-2014
* All variants when desdock is connected.
*07 MSM8x26 & MSM8926 nc.chaudhary Implemented the LANHUB+TA case 28-Feb-2014
* All variants
******************************************************************************************
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/err.h>
#include <linux/i2c.h>
#include <linux/i2c/sm5502.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/gpio.h>
#include <linux/delay.h>
#include <linux/regulator/consumer.h>
#include <linux/mfd/pmic8058.h>
#include <linux/input.h>
#include <linux/switch.h>
#if defined (CONFIG_OF)
#include <linux/of_device.h>
#include <linux/of_gpio.h>
#endif
#if defined(CONFIG_MUIC_SUPPORT_RUSTPROOF)
#include <linux/sec_param.h>
#endif
#ifdef CONFIG_USB_HOST_NOTIFY
#include <linux/host_notify.h>
#endif
/* spmi control */
extern int spmi_ext_register_writel_extra(u8 sid, u16 ad, u8 *buf, int len);
extern int spmi_ext_register_readl_extra(u8 sid, u16 ad, u8 *buf, int len);
extern int system_rev;
#define INT_MASK1 0x5C
#define INT_MASK2 0x20
/* DEVICE ID */
#define SM5502_DEV_ID 0x0A
#define SM5502_DEV_ID_REV 0x12
/* SM5502 I2C registers */
#define REG_DEVICE_ID 0x01
#define REG_CONTROL 0x02
#define REG_INT1 0x03
#define REG_INT2 0x04
#define REG_INT_MASK1 0x05
#define REG_INT_MASK2 0x06
#define REG_ADC 0x07
#define REG_TIMING_SET1 0x08
#define REG_TIMING_SET2 0x09
#define REG_DEVICE_TYPE1 0x0a
#define REG_DEVICE_TYPE2 0x0b
#define REG_BUTTON1 0x0c
#define REG_BUTTON2 0x0d
#define REG_MANUAL_SW1 0x13
#define REG_MANUAL_SW2 0x14
#define REG_DEVICE_TYPE3 0x15
#define REG_RESET 0x1B
#define REG_TIMER_SET 0x20
#define REG_VBUSINVALID 0x1D
#define REG_OCP_SET 0x22
#define REG_CHGPUMP_SET 0x3A
#define REG_CARKIT_STATUS 0x0E
#define DATA_NONE 0x00
/* Control */
#define CON_SWITCH_OPEN (1 << 4)
#define CON_RAW_DATA (1 << 3)
#define CON_MANUAL_SW (1 << 2)
#define CON_WAIT (1 << 1)
#define CON_INT_MASK (1 << 0)
#define CON_MASK (CON_SWITCH_OPEN | CON_RAW_DATA | \
CON_MANUAL_SW | CON_WAIT)
/* Device Type 1 */
#define DEV_USB_OTG (1 << 7)
#define DEV_DEDICATED_CHG (1 << 6)
#define DEV_USB_CHG (1 << 5)
#define DEV_CAR_KIT (1 << 4)
#define DEV_UART (1 << 3)
#define DEV_USB (1 << 2)
#define DEV_AUDIO_2 (1 << 1)
#define DEV_AUDIO_1 (1 << 0)
#define DEV_T1_USB_MASK (DEV_USB_OTG | DEV_USB_CHG | DEV_USB)
#define DEV_T1_UART_MASK (DEV_UART)
#define DEV_T1_CHARGER_MASK (DEV_DEDICATED_CHG | DEV_CAR_KIT)
#define DEV_CARKIT_CHARGER1_MASK (1 << 1)
#define MANSW1_OPEN_RUSTPROOF ((0x0 << 5)| (0x3 << 2) |(1 << 0))
/* Device Type 2 */
#define DEV_LANHUB (1 << 9)
#define DEV_AUDIO_DOCK (1 << 8)
#define DEV_SMARTDOCK (1 << 7)
#define DEV_AV (1 << 6)
#define DEV_TTY (1 << 5)
#define DEV_PPD (1 << 4)
#define DEV_JIG_UART_OFF (1 << 3)
#define DEV_JIG_UART_ON (1 << 2)
#define DEV_JIG_USB_OFF (1 << 1)
#define DEV_JIG_USB_ON (1 << 0)
#define DEV_T2_USB_MASK (DEV_JIG_USB_OFF | DEV_JIG_USB_ON)
#define DEV_T2_UART_MASK (DEV_JIG_UART_OFF)
#define DEV_T2_JIG_MASK (DEV_JIG_USB_OFF | DEV_JIG_USB_ON | \
DEV_JIG_UART_OFF)
#define DEV_T2_JIG_ALL_MASK (DEV_JIG_USB_OFF | DEV_JIG_USB_ON | \
DEV_JIG_UART_OFF | DEV_JIG_UART_ON)
/* Device Type 3 */
#define DEV_MHL (1 << 0)
#define DEV_VBUSIN_VALID (1 << 1)
#define DEV_NON_STANDARD (1 << 2)
#define DEV_AV_VBUS (1 << 4)
#define DEV_U200_CHARGER (1 << 6)
#define DEV_T3_CHARGER_MASK (DEV_U200_CHARGER)
/*
* Manual Switch
* D- [7:5] / D+ [4:2]
* 000: Open all / 001: USB / 010: AUDIO / 011: UART / 100: V_AUDIO
*/
#define SW_VAUDIO ((4 << 5) | (4 << 2) | (1 << 1) | (1 << 0))
#define SW_UART ((3 << 5) | (3 << 2))
#define SW_AUDIO ((2 << 5) | (2 << 2) | (1 << 0))
#define SW_DHOST ((1 << 5) | (1 << 2) | (1 << 0))
#define SW_AUTO ((0 << 5) | (0 << 2))
#define SW_USB_OPEN (1 << 0)
#define SW_ALL_OPEN (0)
#define SW_ALL_OPEN_WITH_VBUS ((0 << 5) | (0 << 2) | (1 << 0))
/* Interrupt 1 */
#define INT_OXP_DISABLE (1 << 7)
#define INT_OCP_ENABLE (1 << 6)
#define INT_OVP_ENABLE (1 << 5)
#define INT_LONG_KEY_RELEASE (1 << 4)
#define INT_LONG_KEY_PRESS (1 << 3)
#define INT_KEY_PRESS (1 << 2)
#define INT_DETACH (1 << 1)
#define INT_ATTACH (1 << 0)
/* Interrupt 2 */
#define INT_VBUSOUT_ON (1 << 7)
#define INT_OTP_ENABLE (1 << 6)
#define INT_CONNECT (1 << 5)
#define INT_STUCK_KEY_RCV (1 << 4)
#define INT_STUCK_KEY (1 << 3)
#define INT_ADC_CHANGE (1 << 2)
#define INT_RESERVED_ATTACH (1 << 1)
#define INT_VBUSOUT_OFF (1 << 0)
/* ADC VALUE */
#define ADC_OTG 0x00
#define ADC_MHL 0x01
#define ADC_SMART_DOCK 0x10
#define ADC_AUDIO_DOCK 0x12
#define ADC_JIG_USB_OFF 0x18
#define ADC_JIG_USB_ON 0x19
#define ADC_DESKDOCK 0x1a
#define ADC_JIG_UART_OFF 0x1c
#define ADC_JIG_UART_ON 0x1d
#define ADC_CARDOCK 0x1d
#define ADC_OPEN 0x1f
#define ADC_LANHUB 0x13
#define ADC_CHARGING_CABLE 0x14
int uart_sm5502_connecting;
EXPORT_SYMBOL(uart_sm5502_connecting);
int detached_sm5502_status;
EXPORT_SYMBOL(detached_sm5502_status);
static int jig_state;
//function added for enabling torch through AT command
#if defined(CONFIG_TORCH_FIX)
int factory_uart_connected(void);
#endif
struct sm5502_usbsw {
struct i2c_client *client;
struct sm5502_platform_data *pdata;
int dev1;
int dev2;
int dev3;
int mansw;
int vbus;
int dock_attached;
int dev_id;
int carkit_dev;
struct delayed_work init_work;
struct mutex mutex;
int adc;
/* muic current attached device */
enum muic_attached_dev attached_dev;
#if defined(CONFIG_MUIC_SM5502_SUPPORT_LANHUB_TA)
unsigned int previous_dock;
unsigned int lanhub_ta_status;
#endif
#if defined(CONFIG_MUIC_SUPPORT_RUSTPROOF)
bool is_rustproof;
#endif
};
static struct sm5502_usbsw *local_usbsw;
static int sm5502_attach_dev(struct sm5502_usbsw *usbsw);
static int sm5502_detach_dev(struct sm5502_usbsw *usbsw);
#if defined(CONFIG_MUIC_SM5502_SUPPORT_LANHUB_TA)
bool lanhub_ta_case = false;
/* RAW DATA Detection*/
static void sm5502_enable_rawdataInterrupts(struct sm5502_usbsw *usbsw)
{
struct i2c_client *client = usbsw->client;
u8 value, ret;
value = i2c_smbus_read_byte_data(client, REG_CONTROL);
value &= 0xF7; /*Control Register Bit 4 set to 0 to enable RAW Data INTR*/
ret = i2c_smbus_write_byte_data(client, REG_CONTROL, value);
pr_info("%s:set CONTROL value to 0x%x\n", __func__, value);
if (ret < 0)
dev_err(&client->dev, "%s: err %d\n", __func__, ret);
}
static void sm5502_disable_rawdataInterrupts(struct sm5502_usbsw *usbsw)
{
struct i2c_client *client = local_usbsw->client;
int value, ret;
value = i2c_smbus_read_byte_data(client, REG_CONTROL);
value |= 0x08; /*Control Register Bit 4 set to 0 to enable RAW Data INTR*/
ret = i2c_smbus_write_byte_data(client, REG_CONTROL, value);
pr_info("%s:set CONTROL value to 0x%x \n", __func__, value);
if (ret < 0)
dev_err(&client->dev, "%s: err %d\n", __func__, ret);
}
#endif
static int sm5502_write_reg(struct i2c_client *client, int reg, int val)
{
int ret;
ret = i2c_smbus_write_byte_data(client, reg, val);
if (ret < 0)
{
dev_err(&client->dev,
"%s, i2c write error %d\n",__func__, ret);
}
return ret;
}
static int sm5502_read_reg(struct i2c_client *client, int reg)
{
int ret;
ret = i2c_smbus_read_byte_data(client, reg);
if (ret < 0)
{
dev_err(&client->dev,
"%s, i2c read error %d\n",__func__, ret);
}
return ret;
}
static void sm5502_dock_control(struct sm5502_usbsw *usbsw,
int dock_type, int state, int path)
{
struct i2c_client *client = usbsw->client;
struct sm5502_platform_data *pdata = usbsw->pdata;
int ret;
if (state) {
usbsw->mansw = path;
pdata->callback(dock_type, state);
if (dock_type == CABLE_TYPE_DESK_DOCK_NO_VB)
switch_set_state(&switch_dock, state);
ret = i2c_smbus_write_byte_data(client, REG_MANUAL_SW1, path);
if (ret < 0)
dev_err(&client->dev, "%s: err %d\n", __func__, ret);
ret = i2c_smbus_read_byte_data(client, REG_CONTROL);
if (ret < 0)
dev_err(&client->dev, "%s: err %d\n", __func__, ret);
else {
ret = i2c_smbus_write_byte_data(client,
REG_CONTROL, ret & ~CON_MANUAL_SW);
}
if (ret < 0)
dev_err(&client->dev, "%s: err %x\n", __func__, ret);
} else {
pdata->callback(dock_type, state);
if (dock_type == CABLE_TYPE_DESK_DOCK_NO_VB)
switch_set_state(&switch_dock, state);
ret = i2c_smbus_read_byte_data(client, REG_CONTROL);
if (ret < 0)
dev_err(&client->dev, "%s: err %d\n", __func__, ret);
ret = i2c_smbus_write_byte_data(client, REG_CONTROL,
ret | CON_MANUAL_SW | CON_RAW_DATA);
if (ret < 0)
dev_err(&client->dev, "%s: err %d\n", __func__, ret);
}
}
static void sm5502_reg_init(struct sm5502_usbsw *usbsw)
{
struct i2c_client *client = usbsw->client;
unsigned int ctrl = CON_MASK;
int ret;
pr_info("sm5502_reg_init is called\n");
usbsw->dev_id = i2c_smbus_read_byte_data(client, REG_DEVICE_ID);
local_usbsw->dev_id = usbsw->dev_id;
if (usbsw->dev_id < 0)
dev_err(&client->dev, "%s: err %d\n", __func__, usbsw->dev_id);
dev_info(&client->dev, " sm5502_reg_init dev ID: 0x%x\n",
usbsw->dev_id);
ret = i2c_smbus_write_byte_data(client, REG_INT_MASK1, INT_MASK1);
if (ret < 0)
dev_err(&client->dev, "%s: err %d\n", __func__, ret);
ret = i2c_smbus_write_byte_data(client, REG_INT_MASK2, INT_MASK2);
if (ret < 0)
dev_err(&client->dev, "%s: err %d\n", __func__, ret);
ret = i2c_smbus_write_byte_data(client, REG_CONTROL, ctrl);
if (ret < 0)
dev_err(&client->dev, "%s: err %d\n", __func__, ret);
/*set timing1 to 300ms */
ret = i2c_smbus_write_byte_data(client, REG_TIMING_SET1, 0x04);
if (ret < 0)
dev_err(&client->dev, "%s: err %d\n", __func__, ret);
/*Manual SW2 bit2 : JIG_ON '1' */
ret = i2c_smbus_write_byte_data(client, REG_MANUAL_SW2, 0x04);
if (ret < 0)
dev_err(&client->dev, "%s: err %d\n", __func__, ret);
/*Disabling the DCD Timer to ensure a high cable detection rate*/
/*reset value is 0x0E, clearing the bit 2 to disable DCD timeout*/
ret = i2c_smbus_write_byte_data(client, REG_TIMER_SET, 0x0A);
if (ret < 0)
dev_err(&client->dev, "%s: err %d\n", __func__, ret);
}
static ssize_t sm5502_muic_show_attached_dev(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct sm5502_usbsw *usbsw = dev_get_drvdata(dev);
pr_info("[MUIC] SM5502:%s attached_dev:%d\n",
__func__,usbsw->attached_dev);
switch(usbsw->attached_dev) {
case ATTACHED_DEV_NONE_MUIC:
return sprintf(buf, "No VPS\n");
case ATTACHED_DEV_USB_MUIC:
return sprintf(buf, "USB\n");
case ATTACHED_DEV_CDP_MUIC:
return sprintf(buf, "CDP\n");
case ATTACHED_DEV_OTG_MUIC:
return sprintf(buf, "OTG\n");
case ATTACHED_DEV_TA_MUIC:
return sprintf(buf, "TA\n");
case ATTACHED_DEV_JIG_UART_OFF_MUIC:
return sprintf(buf, "JIG UART OFF\n");
case ATTACHED_DEV_JIG_UART_OFF_VB_MUIC:
return sprintf(buf, "JIG UART OFF/VB\n");
case ATTACHED_DEV_JIG_UART_ON_MUIC:
return sprintf(buf, "JIG UART ON\n");
case ATTACHED_DEV_JIG_USB_OFF_MUIC:
return sprintf(buf, "JIG USB OFF\n");
case ATTACHED_DEV_JIG_USB_ON_MUIC:
return sprintf(buf, "JIG USB ON\n");
case ATTACHED_DEV_DESKDOCK_MUIC:
return sprintf(buf, "DESKDOCK\n");
case ATTACHED_DEV_AUDIODOCK_MUIC:
return sprintf(buf, "AUDIODOCK\n");
default:
break;
}
return sprintf(buf, "UNKNOWN\n");
}
static ssize_t sm5502_show_control(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct sm5502_usbsw *usbsw = dev_get_drvdata(dev);
struct i2c_client *client = usbsw->client;
int value;
value = i2c_smbus_read_byte_data(client, REG_CONTROL);
if (value < 0)
dev_err(&client->dev, "%s: err %d\n", __func__, value);
return snprintf(buf, 13, "CONTROL: %02x\n", value);
}
static ssize_t sm5502_show_device_type(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct sm5502_usbsw *usbsw = dev_get_drvdata(dev);
struct i2c_client *client = usbsw->client;
int value;
value = i2c_smbus_read_byte_data(client, REG_DEVICE_TYPE1);
if (value < 0)
dev_err(&client->dev, "%s: err %d\n", __func__, value);
return snprintf(buf, 11, "DEV_TYP %02x\n", value);
}
static ssize_t sm5502_show_manualsw(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct sm5502_usbsw *usbsw = dev_get_drvdata(dev);
struct i2c_client *client = usbsw->client;
int value;
value = i2c_smbus_read_byte_data(client, REG_MANUAL_SW1);
if (value < 0)
dev_err(&client->dev, "%s: err %d\n", __func__, value);
if (value == SW_VAUDIO)
return snprintf(buf, 7, "VAUDIO\n");
else if (value == SW_UART)
return snprintf(buf, 5, "UART\n");
else if (value == SW_AUDIO)
return snprintf(buf, 6, "AUDIO\n");
else if (value == SW_DHOST)
return snprintf(buf, 6, "DHOST\n");
else if (value == SW_AUTO)
return snprintf(buf, 5, "AUTO\n");
else
return snprintf(buf, 4, "%x", value);
}
static ssize_t sm5502_set_manualsw(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct sm5502_usbsw *usbsw = dev_get_drvdata(dev);
struct i2c_client *client = usbsw->client;
int value, ret;
unsigned int path = 0;
value = i2c_smbus_read_byte_data(client, REG_CONTROL);
if (value < 0)
dev_err(&client->dev, "%s: err %d\n", __func__, value);
if ((value & ~CON_MANUAL_SW) !=
(CON_SWITCH_OPEN | CON_RAW_DATA | CON_WAIT))
return 0;
if (!strncmp(buf, "VAUDIO", 6)) {
path = SW_VAUDIO;
value &= ~CON_MANUAL_SW;
} else if (!strncmp(buf, "UART", 4)) {
path = SW_UART;
value &= ~CON_MANUAL_SW;
} else if (!strncmp(buf, "AUDIO", 5)) {
path = SW_AUDIO;
value &= ~CON_MANUAL_SW;
} else if (!strncmp(buf, "DHOST", 5)) {
path = SW_DHOST;
value &= ~CON_MANUAL_SW;
} else if (!strncmp(buf, "AUTO", 4)) {
path = SW_AUTO;
value |= CON_MANUAL_SW;
} else {
dev_err(dev, "Wrong command\n");
return 0;
}
usbsw->mansw = path;
ret = i2c_smbus_write_byte_data(client, REG_MANUAL_SW1, path);
if (ret < 0)
dev_err(&client->dev, "%s: err %d\n", __func__, ret);
ret = i2c_smbus_write_byte_data(client, REG_CONTROL, value);
if (ret < 0)
dev_err(&client->dev, "%s: err %d\n", __func__, ret);
return count;
}
static ssize_t sm5502_show_usb_state(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct sm5502_usbsw *usbsw = dev_get_drvdata(dev);
struct i2c_client *client = usbsw->client;
int device_type1, device_type2;
device_type1 = i2c_smbus_read_byte_data(client, REG_DEVICE_TYPE1);
if (device_type1 < 0) {
dev_err(&client->dev, "%s: err %d ", __func__, device_type1);
return (ssize_t)device_type1;
}
device_type2 = i2c_smbus_read_byte_data(client, REG_DEVICE_TYPE2);
if (device_type2 < 0) {
dev_err(&client->dev, "%s: err %d ", __func__, device_type2);
return (ssize_t)device_type2;
}
if (device_type1 & DEV_T1_USB_MASK || device_type2 & DEV_T2_USB_MASK)
return snprintf(buf, 22, "USB_STATE_CONFIGURED\n");
return snprintf(buf, 25, "USB_STATE_NOTCONFIGURED\n");
}
static ssize_t sm5502_show_adc(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct sm5502_usbsw *usbsw = dev_get_drvdata(dev);
struct i2c_client *client = usbsw->client;
int adc;
adc = i2c_smbus_read_byte_data(client, REG_ADC);
if (adc < 0) {
dev_err(&client->dev,
"%s: err at read adc %d\n", __func__, adc);
return snprintf(buf, 9, "UNKNOWN\n");
}
return snprintf(buf, 4, "%x\n", adc);
}
static ssize_t sm5502_reset(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct sm5502_usbsw *usbsw = dev_get_drvdata(dev);
struct i2c_client *client = usbsw->client;
if (!strncmp(buf, "1", 1)) {
dev_info(&client->dev,
"sm5502 reset after delay 1000 msec.\n");
msleep(1000);
sm5502_write_reg(client, REG_RESET, 0x01);
dev_info(&client->dev, "sm5502_reset_control done!\n");
} else {
dev_info(&client->dev,
"sm5502_reset_control, but not reset_value!\n");
}
#ifdef CONFIG_MUIC_SUPPORT_RUSTPROOF
usbsw->is_rustproof = false;
#endif
usbsw->attached_dev = ATTACHED_DEV_NONE_MUIC;
sm5502_reg_init(usbsw);
return count;
}
#ifdef CONFIG_MUIC_SUPPORT_RUSTPROOF
static void muic_rustproof_feature(struct i2c_client *client, int state);
/* Keystring "*#0*#" sysfs implementation */
static ssize_t uart_en_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct sm5502_usbsw *usbsw = dev_get_drvdata(dev);
/*is_rustproof is false then UART can be enabled*/
return snprintf(buf, 4, "%d\n", !(usbsw->is_rustproof));
}
static ssize_t uart_en_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t size)
{
struct sm5502_usbsw *usbsw = dev_get_drvdata(dev);
struct i2c_client *client = usbsw->client;
if (!strncmp(buf, "1", 1)) {
dev_info(&client->dev,
"[MUIC]Runtime enabling the UART.\n");
usbsw->is_rustproof = false;
muic_rustproof_feature(client,SM5502_DETACHED);
} else {
dev_info(&client->dev,
"[MUIC]Runtime disabling the UART.\n");
usbsw->is_rustproof = true;
}
/* reinvoke the attach detection function to set proper paths */
sm5502_attach_dev(usbsw);
return size;
}
static DEVICE_ATTR(uart_en, S_IRUGO | S_IWUSR ,
uart_en_show, uart_en_store);
static ssize_t uart_sel_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct sm5502_usbsw *usbsw = dev_get_drvdata(dev);
/*for sm5502 paths are always switch to AP*/
if(usbsw->attached_dev != ATTACHED_DEV_NONE_MUIC)
return snprintf(buf, 4, "AP\n");
else
return snprintf(buf, 9, "UNKNOWN\n");
}
static ssize_t uart_sel_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t size)
{
struct sm5502_usbsw *usbsw = dev_get_drvdata(dev);
struct i2c_client *client = usbsw->client;
dev_info(&client->dev,"[MUIC]Enabling AP UART Path, dummy Call\n");
return size;
}
static DEVICE_ATTR(uart_sel, S_IRUGO | S_IWUSR ,
uart_sel_show, uart_sel_store);
static ssize_t usbsel_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return snprintf(buf, 4, "PDA\n");
}
static ssize_t usbsel_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t size)
{
struct sm5502_usbsw *usbsw = dev_get_drvdata(dev);
struct i2c_client *client = usbsw->client;
dev_info(&client->dev,"[MUIC]Enabling AP UART Path, dummy Call\n");
return size;
}
static DEVICE_ATTR(usb_sel, S_IRUGO | S_IWUSR ,
usbsel_show, usbsel_store);
#endif
static DEVICE_ATTR(control, S_IRUGO, sm5502_show_control, NULL);
static DEVICE_ATTR(device_type, S_IRUGO, sm5502_show_device_type, NULL);
static DEVICE_ATTR(switch, S_IRUGO | S_IWUSR,
sm5502_show_manualsw, sm5502_set_manualsw);
static DEVICE_ATTR(usb_state, S_IRUGO, sm5502_show_usb_state, NULL);
static DEVICE_ATTR(adc, S_IRUGO, sm5502_show_adc, NULL);
static DEVICE_ATTR(reset_switch, S_IWUSR | S_IWGRP, NULL, sm5502_reset);
static DEVICE_ATTR(attached_dev, S_IRUGO, sm5502_muic_show_attached_dev, NULL);
static struct attribute *sm5502_attributes[] = {
&dev_attr_control.attr,
&dev_attr_device_type.attr,
&dev_attr_switch.attr,
NULL
};
static const struct attribute_group sm5502_group = {
.attrs = sm5502_attributes,
};
#if (!defined(CONFIG_MACH_CT01) && !defined(CONFIG_MACH_CT01_CHN_CU))
#define PMIC_SLAVE_ID 0x0
#define PMIC_SMBBP_BAT_IF_BPD_CTRL 0x1248
/* control flash function without BAT_ID */
static void flash_control(bool en) {
u8 sid = PMIC_SLAVE_ID;
u8 buf[16];
int addr = PMIC_SMBBP_BAT_IF_BPD_CTRL;
spmi_ext_register_readl_extra(sid, addr, buf, 1);
if (en)
buf[0] &= ~BIT(0);
else
buf[0] |= BIT(0);
spmi_ext_register_writel_extra(sid, addr, buf, 1);
}
#endif
#if defined(CONFIG_USB_HOST_NOTIFY)
static void sm5502_set_otg(struct sm5502_usbsw *usbsw, int state)
{
int ret;
struct i2c_client *client = usbsw->client;
if (state == SM5502_ATTACHED) {
ret = i2c_smbus_write_byte_data(client, REG_MANUAL_SW1, 0x25);
if (ret < 0)
dev_info(&client->dev, "%s: err %d\n", __func__, ret);
ret = i2c_smbus_write_byte_data(client, REG_MANUAL_SW2, 0x00); //Disconnecting the MUIC_ID & ITBP Pins
if (ret < 0)
dev_info(&client->dev, "%s: err %d\n", __func__, ret);
ret = i2c_smbus_read_byte_data(client, REG_CONTROL);
if (ret < 0)
dev_info(&client->dev, "%s: err %d\n", __func__, ret);
ret = ret & 0xFB; /*Manual Connection S/W enable*/
ret = i2c_smbus_write_byte_data(client, REG_CONTROL, ret);
if (ret < 0)
dev_info(&client->dev, "%s: err %d\n", __func__, ret);
} else {
ret = i2c_smbus_write_byte_data(client, REG_MANUAL_SW2, 0x00);
if (ret < 0)
dev_info(&client->dev, "%s: err %d\n", __func__, ret);
ret = i2c_smbus_write_byte_data(client, REG_MANUAL_SW1,
SW_ALL_OPEN);
if (ret < 0)
dev_info(&client->dev, "%s: err %d\n", __func__, ret);
ret = i2c_smbus_read_byte_data(client, REG_CONTROL);
if (ret < 0)
dev_info(&client->dev, "%s: err %d\n", __func__, ret);
ret = ret | 0x04; /*Manual Connection S/W Disable*/
ret = i2c_smbus_write_byte_data(client, REG_CONTROL, ret);
if (ret < 0)
dev_info(&client->dev, "%s: err %d\n", __func__, ret);
}
}
#endif
#ifndef CONFIG_USB_HOST_NOTIFY
/* Dummy callback Function to handle the OTG Test case*/
int sec_get_notification(int mode)
{
return 1;
}
#endif
#if defined(CONFIG_VIDEO_MHL_V2)
int dock_det(void)
{
return local_usbsw->dock_attached;
}
EXPORT_SYMBOL(dock_det);
#endif
int check_sm5502_jig_state(void)
{
return jig_state;
}
EXPORT_SYMBOL(check_sm5502_jig_state);
#if defined(CONFIG_TOUCHSCREEN_MMS144)
extern void tsp_charger_infom(bool en);
#endif
#if defined(CONFIG_MUIC_SM5502_SUPPORT_LANHUB_TA)
static void sm5502_set_lanhub(struct sm5502_usbsw *usbsw, int state)
{
int ret;
struct i2c_client *client = usbsw->client;
if (state == SM5502_ATTACHED) {
ret = i2c_smbus_write_byte_data(client, REG_MANUAL_SW1, 0x25);
if (ret < 0)
dev_info(&client->dev, "%s: err %d\n", __func__, ret);
ret = i2c_smbus_write_byte_data(client, REG_MANUAL_SW2, 0x00); //Disconnect the ITBP & MUIC_ID Pins
if (ret < 0)
dev_info(&client->dev, "%s: err %d\n", __func__, ret);
ret = i2c_smbus_read_byte_data(client, REG_CONTROL);
if (ret < 0)
dev_info(&client->dev, "%s: err %d\n", __func__, ret);
ret = ret & 0xFB; /*Manual Connection S/W enable*/
ret = i2c_smbus_write_byte_data(client, REG_CONTROL, ret);
if (ret < 0)
dev_info(&client->dev, "%s: err %d\n", __func__, ret);
} else {
ret = i2c_smbus_write_byte_data(client, REG_MANUAL_SW2, 0x00);
if (ret < 0)
dev_info(&client->dev, "%s: err %d\n", __func__, ret);
ret = i2c_smbus_write_byte_data(client, REG_MANUAL_SW1,
SW_ALL_OPEN);
if (ret < 0)
dev_info(&client->dev, "%s: err %d\n", __func__, ret);
ret = i2c_smbus_read_byte_data(client, REG_CONTROL);
if (ret < 0)
dev_info(&client->dev, "%s: err %d\n", __func__, ret);
ret = ret | 0x04; /*Manual Connection S/W enable*/
ret = i2c_smbus_write_byte_data(client, REG_CONTROL, ret);
if (ret < 0)
dev_info(&client->dev, "%s: err %d\n", __func__, ret);
}
}
static void sm5502_mask_vbus_detect(struct sm5502_usbsw *usbsw, int state){
unsigned int value;
struct i2c_client *client = usbsw->client;
if(state == SM5502_ATTACHED) {
pr_info("%s called, state: (%d)\n",__func__,state);
/*Need to disable the vbus change interrupts*/
value = i2c_smbus_read_byte_data(client,REG_INT_MASK2);
if (value < 0)
dev_err(&client->dev, "%s: err %d\n", __func__, value);
value |= 0x01;
value = i2c_smbus_write_byte_data(client,REG_INT_MASK2,value);
if (value < 0)
dev_err(&client->dev, "%s: err %d\n", __func__, value);
}
else {
pr_info("%s called, state: (%d)\n",__func__,state);
value = i2c_smbus_write_byte_data(client,REG_INT_MASK2,INT_MASK2);
if (value < 0)
dev_err(&client->dev, "%s: err %d\n", __func__, value);
}
}
static int sm5502_detect_lanhub(struct sm5502_usbsw *usbsw) {
unsigned int dev1, dev2, adc;
struct sm5502_platform_data *pdata = usbsw->pdata;
struct i2c_client *client = usbsw->client;
pr_info("%s called\n",__func__);
dev1 = i2c_smbus_read_byte_data(client, REG_DEVICE_TYPE1);
if (dev1 < 0) {
dev_err(&client->dev, "%s: err %d\n", __func__, dev1);
return dev1;
}
dev2 = i2c_smbus_read_byte_data(client, REG_DEVICE_TYPE2);
if (dev2 < 0) {
dev_err(&client->dev, "%s: err %d\n", __func__, dev2);
return dev2;
}
adc = i2c_smbus_read_byte_data(client, REG_ADC);
dev_info(&client->dev, "dev1: 0x%02x, dev2: 0x%02x, adc: 0x%02x\n",
dev1, dev2, adc);
/* Attached + Detached*/
switch(adc){
case ADC_OTG:
lanhub_ta_case = false;
usbsw->adc = adc;
sm5502_set_otg(usbsw, SM5502_ATTACHED);
if(usbsw->previous_dock == SM5502_NONE) {
dev_info(&client->dev, "%s:LANHUB Connected\n", __func__);
pdata->callback(CABLE_TYPE_OTG, SM5502_ATTACHED);
sm5502_set_otg(usbsw,SM5502_ATTACHED);
}
else if(usbsw->previous_dock == ADC_LANHUB) {
dev_info(&client->dev, "%s:Switch LANHUB+TA to LANHUB\n", __func__);
usbsw->lanhub_ta_status=0;
pdata->lanhub_cb(CABLE_TYPE_LANHUB, SM5502_DETACHED, LANHUB_TA);
}
sm5502_mask_vbus_detect(usbsw,SM5502_DETACHED);
usbsw->dock_attached = SM5502_ATTACHED;
usbsw->previous_dock = ADC_OTG;
break;
case ADC_LANHUB:
usbsw->adc = adc;
lanhub_ta_case = true;
usbsw->lanhub_ta_status = 1;
sm5502_mask_vbus_detect(usbsw,SM5502_ATTACHED);
usbsw->dock_attached = SM5502_ATTACHED;
usbsw->mansw = SW_DHOST;
if(usbsw->previous_dock == SM5502_NONE) {
dev_info(&client->dev, "%s:LANHUB+TA Connected\n", __func__);
pdata->lanhub_cb(CABLE_TYPE_LANHUB, SM5502_ATTACHED, LANHUB);
sm5502_set_lanhub(usbsw,SM5502_ATTACHED);
} else if (usbsw->previous_dock == ADC_OTG) {
dev_info(&client->dev, "%s:Switch LANHUB to LANHUB+TA\n", __func__);
pdata->lanhub_cb(CABLE_TYPE_LANHUB, SM5502_ATTACHED, LANHUB_TA);
}
usbsw->previous_dock = ADC_LANHUB;
break;
case ADC_OPEN:
usbsw->adc = adc;
dev_info(&client->dev, "%s:LANHUB + TA -> ADC_OPEN case\n", __func__);
if (pdata->lanhub_cb && usbsw->lanhub_ta_status == 1) {
if (usbsw->previous_dock == ADC_LANHUB)
pdata->lanhub_cb(CABLE_TYPE_LANHUB,SM5502_DETACHED, LANHUB);
sm5502_disable_rawdataInterrupts(usbsw);
usbsw->lanhub_ta_status=0;
sm5502_mask_vbus_detect(usbsw,SM5502_DETACHED);
pdata->callback(CABLE_TYPE_OTG,SM5502_DETACHED);
sm5502_set_otg(usbsw, SM5502_DETACHED);
}
else if (usbsw->previous_dock == ADC_OTG) {
sm5502_disable_rawdataInterrupts(usbsw);
pdata->callback(CABLE_TYPE_OTG,SM5502_DETACHED);
sm5502_set_otg(usbsw, SM5502_DETACHED);
}else {
dev_info(&client->dev, "%s:ignore ADC_OPEN case\n", __func__);
sm5502_mask_vbus_detect(usbsw,SM5502_DETACHED);
}
usbsw->previous_dock = SM5502_NONE;
lanhub_ta_case = false;
break;
default:
dev_info(&client->dev, "%s:Not reaching here(adc:0x%02x)\n",
__func__, adc);
lanhub_ta_case = false;
break;
}
usbsw->dev1=dev1;
usbsw->dev2=dev2;
return adc;
}
#endif
// For Torch enable
#if defined(CONFIG_TORCH_FIX)
int factory_uart_connected()
{
int val2 = 0, jig_state_factory = 0;
struct i2c_client *client = local_usbsw->client;
val2 = i2c_smbus_read_byte_data(client, REG_DEVICE_TYPE2);
jig_state_factory = (val2 & DEV_T2_JIG_ALL_MASK) ? 1 : 0;
printk(KERN_INFO "%s: jig_state_factory = %d\n", __func__, jig_state_factory);
return jig_state_factory;
}
EXPORT_SYMBOL(factory_uart_connected);
#endif
#if defined(CONFIG_MUIC_SUPPORT_RUSTPROOF)
static void muic_rustproof_feature(struct i2c_client *client, int state)
{
int val;
if(state) {
val = i2c_smbus_write_byte_data(client, REG_MANUAL_SW1,
SW_ALL_OPEN_WITH_VBUS);
if(val < 0)
dev_info(&client->dev, "%s:MANUAL SW1,err %d\n",__func__,val);
val = i2c_smbus_read_byte_data(client,REG_CONTROL);
if(val < 0)
dev_info(&client->dev, "%s:CTRL REG,err %d\n",__func__,val);
val &= 0xFB;
val = i2c_smbus_write_byte_data(client,REG_CONTROL,val);
if(val < 0)
dev_info(&client->dev, "%s:CTRL REG,err %d\n",__func__,val);
} else
{
val = i2c_smbus_write_byte_data(client, REG_MANUAL_SW2, 0x00);
if (val < 0)
dev_info(&client->dev, "%s: MANUAL SW2,err %d\n", __func__,val);
val = i2c_smbus_write_byte_data(client, REG_MANUAL_SW1,SW_ALL_OPEN);
if (val < 0)
dev_info(&client->dev, "%s: MANUAL SW1,err %d\n", __func__,val);
val = i2c_smbus_read_byte_data(client, REG_CONTROL);
if (val < 0)
dev_info(&client->dev, "%s: CTRL REG,err %d\n", __func__,val);
val = val | 0x04; /*Automatic Connection S/W enable*/
val = i2c_smbus_write_byte_data(client, REG_CONTROL, val);
if (val < 0)
dev_info(&client->dev, "%s: CTRL REG,err %d\n", __func__,val);
}
}
#endif
static void muic_update_jig_state(struct sm5502_usbsw *usbsw, int dev_type2, int vbus)
{
if(dev_type2 & DEV_JIG_UART_OFF && !vbus)
usbsw->attached_dev = ATTACHED_DEV_JIG_UART_OFF_MUIC;
else if(dev_type2 & DEV_JIG_UART_OFF && vbus)
usbsw->attached_dev = ATTACHED_DEV_JIG_UART_OFF_VB_MUIC;
else if(dev_type2 & DEV_JIG_UART_ON)
usbsw->attached_dev = ATTACHED_DEV_JIG_UART_ON_MUIC;
else if(dev_type2 & DEV_JIG_USB_OFF)
usbsw->attached_dev = ATTACHED_DEV_JIG_USB_OFF_MUIC;
else if(dev_type2 & DEV_JIG_USB_ON)
usbsw->attached_dev = ATTACHED_DEV_JIG_USB_ON_MUIC;
}
#if defined CONFIG_ID_BYPASS_SBL
int otg_attached = 0;
#endif
static int sm5502_attach_dev(struct sm5502_usbsw *usbsw)
{
int adc;
int val1, val2, val3, val4, vbus;
struct sm5502_platform_data *pdata = usbsw->pdata;
struct i2c_client *client = usbsw->client;
#if defined(CONFIG_VIDEO_MHL_V2)
/*u8 mhl_ret = 0;*/
#endif
#if defined(CONFIG_TOUCHSCREEN_MMS144)
int tsp_noti_ignore = 0;
#endif
val1 = i2c_smbus_read_byte_data(client, REG_DEVICE_TYPE1);
if (val1 < 0) {
dev_err(&client->dev, "%s: err %d\n", __func__, val1);
return val1;
}
val2 = i2c_smbus_read_byte_data(client, REG_DEVICE_TYPE2);
if (val2 < 0) {
dev_err(&client->dev, "%s: err %d\n", __func__, val2);
return val2;
}
jig_state = (val2 & DEV_T2_JIG_ALL_MASK) ? 1 : 0;
val3 = i2c_smbus_read_byte_data(client, REG_DEVICE_TYPE3);
if (val3 < 0) {
dev_err(&client->dev, "%s: err %d\n", __func__, val3);
return val3;
}
val4 = i2c_smbus_read_byte_data(client, REG_CARKIT_STATUS);
if (val4 < 0) {
dev_err(&client->dev, "%s: err %d\n", __func__, val4);
return val4;
}
// add start
vbus = i2c_smbus_read_byte_data(client, REG_VBUSINVALID);
if (vbus < 0) {
dev_err(&client->dev, "%s: err %d\n", __func__, vbus);
return vbus;
}
// add end
adc = i2c_smbus_read_byte_data(client, REG_ADC);
if (adc == ADC_SMART_DOCK) {
val2 = DEV_SMARTDOCK;
val1 = 0;
}
#if defined(CONFIG_MUIC_SM5502_SUPPORT_LANHUB_TA)
else if (adc == ADC_LANHUB) {
val2 = DEV_LANHUB;
val1 = 0;
}
#endif
#if defined(CONFIG_USB_HOST_NOTIFY)
if (adc == 0x11 || adc == ADC_AUDIO_DOCK) {
val2 = DEV_AUDIO_DOCK;
val1 = 0;
}
#endif
dev_err(&client->dev,
"dev1: 0x%x,dev2: 0x%x,dev3: 0x%x,Carkit: 0x%x,ADC: 0x%x,Jig: %s\n",
val1, val2, val3, val4, adc,
(check_sm5502_jig_state() ? "ON" : "OFF"));
/* USB */
if (val1 & DEV_USB) {
pr_info("[MUIC] USB Connected\n");
pdata->callback(CABLE_TYPE_USB, SM5502_ATTACHED);
usbsw->attached_dev = ATTACHED_DEV_USB_MUIC;
/* D+,D-open */
} else if (val3 & DEV_NON_STANDARD) {
pr_info("[MUIC] D+,D-open Connected\n");
pdata->callback(CABLE_TYPE_USB, SM5502_ATTACHED);
/* USB_CDP */
} else if (val1 & DEV_USB_CHG) {
pr_info("[MUIC] CDP Connected\n");
pdata->callback(CABLE_TYPE_CDP, SM5502_ATTACHED);
usbsw->attached_dev = ATTACHED_DEV_CDP_MUIC;
/* UART */
} else if (val1 & DEV_T1_UART_MASK || val2 & DEV_T2_UART_MASK) {
uart_sm5502_connecting = 1;
muic_update_jig_state(usbsw,val2,vbus);
#if defined(CONFIG_MUIC_SUPPORT_RUSTPROOF)
if(usbsw->is_rustproof) {
pr_info("[MUIC] RustProof mode, close UART Path\n");
muic_rustproof_feature(client,SM5502_ATTACHED);
} else
#endif
{
pr_info("[MUIC] UART Connected\n");
i2c_smbus_write_byte_data(client, REG_MANUAL_SW1, SW_UART);
if(vbus & DEV_VBUSIN_VALID)
pdata->callback(CABLE_TYPE_JIG_UART_OFF_VB, SM5502_ATTACHED);
else
pdata->callback(CABLE_TYPE_UARTOFF, SM5502_ATTACHED);
#if (!defined(CONFIG_MACH_CT01) && !defined(CONFIG_MACH_CT01_CHN_CU))
flash_control(true);
#endif
}
#ifndef CONFIG_ATT_CHARGER_SUPPORT
/* L Company Cable Detection Code */
} else if (adc == 0x17 &&
(val4 & DEV_CARKIT_CHARGER1_MASK)) {
pr_info("[MUIC] 219K USB Cable/Charger Connected\n");
pdata->callback(CABLE_TYPE_219KUSB,SM5502_ATTACHED);
usbsw->attached_dev = ATTACHED_DEV_USB_MUIC;
#endif
/* CHARGER */
} else if ((val1 & DEV_T1_CHARGER_MASK) ||
(val3 & DEV_T3_CHARGER_MASK)) {
pr_info("[MUIC] Charger Connected\n");
usbsw->attached_dev = ATTACHED_DEV_TA_MUIC;
pdata->callback(CABLE_TYPE_AC, SM5502_ATTACHED);
#if defined(CONFIG_USB_HOST_NOTIFY)
/* for SAMSUNG OTG */
} else if (val1 & DEV_USB_OTG && adc == ADC_OTG) {
pr_info("[MUIC] OTG Connected\n");
usbsw->attached_dev = ATTACHED_DEV_OTG_MUIC;
#if defined CONFIG_ID_BYPASS_SBL
otg_attached = 1;
#endif
#if defined(CONFIG_MUIC_SM5502_SUPPORT_LANHUB_TA)
sm5502_enable_rawdataInterrupts(usbsw);
usbsw->dock_attached = SM5502_ATTACHED;
usbsw->previous_dock = ADC_OTG;
#endif
sm5502_set_otg(usbsw, SM5502_ATTACHED);
pdata->callback(CABLE_TYPE_OTG, SM5502_ATTACHED);
#endif
/* JIG */
} else if (val2 & DEV_T2_USB_MASK) {
pr_info("[MUIC] JIG USB Connected\n");
muic_update_jig_state(usbsw,val2,vbus);
if(vbus & DEV_VBUSIN_VALID)
pdata->callback(CABLE_TYPE_USB, SM5502_ATTACHED);
else
pdata->callback(CABLE_TYPE_JIG, SM5502_ATTACHED);
#if (!defined(CONFIG_MACH_CT01) && !defined(CONFIG_MACH_CT01_CHN_CU))
flash_control(true);
#endif
/* Desk Dock */
} else if ((val2 & DEV_AV) || (val3 & DEV_AV_VBUS)) {
pr_info("[MUIC] Deskdock Connected\n");
usbsw->attached_dev = ATTACHED_DEV_DESKDOCK_MUIC;
local_usbsw->dock_attached = SM5502_ATTACHED;
if(vbus & DEV_VBUSIN_VALID)
sm5502_dock_control(usbsw, CABLE_TYPE_DESK_DOCK,
SM5502_ATTACHED, SW_AUDIO);
else
sm5502_dock_control(usbsw, CABLE_TYPE_DESK_DOCK_NO_VB,
SM5502_ATTACHED, SW_AUDIO);
#if defined(CONFIG_VIDEO_MHL_V2)
/* MHL */
} else if (val3 & DEV_MHL) {
pr_info("[MUIC] MHL Connected\n");
if (!poweroff_charging)
/*mhl_ret = mhl_onoff_ex(1); support from sii8240*/
else
pr_info("LPM mode, skip MHL sequence\n");
#endif
/* Car Dock */
} else if (val2 & DEV_JIG_UART_ON) {
pr_info("[MUIC] Cardock Connected\n");
muic_update_jig_state(usbsw,val2,vbus);
#if defined(CONFIG_SEC_FACTORY)
local_usbsw->dock_attached = SM5502_ATTACHED;
sm5502_dock_control(usbsw, CABLE_TYPE_CARDOCK,
SM5502_ATTACHED, SW_AUDIO);
#elif defined(CONFIG_MUIC_SUPPORT_RUSTPROOF)
if(usbsw->is_rustproof) {
pr_info("[MUIC] RustProof mode, close UART Path\n");
muic_rustproof_feature(client,SM5502_ATTACHED);
}
#endif
/* SmartDock */
} else if (val2 & DEV_SMARTDOCK) {
pr_info("[MUIC] Smartdock Connected\n");
sm5502_dock_control(usbsw, CABLE_TYPE_SMART_DOCK,
SM5502_ATTACHED, SW_DHOST);
#if defined(CONFIG_VIDEO_MHL_V2)
/*mhl_onoff_ex(1); support can be added once mhl is up*/
#endif
#if defined(CONFIG_USB_HOST_NOTIFY)
/* Audio Dock */
} else if (val2 & DEV_AUDIO_DOCK) {
pr_info("[MUIC] Audiodock Connected\n");
usbsw->attached_dev = ATTACHED_DEV_AUDIODOCK_MUIC;
sm5502_dock_control(usbsw, CABLE_TYPE_AUDIO_DOCK,
SM5502_ATTACHED, SW_DHOST);
#endif
#if defined(CONFIG_MUIC_SM5502_SUPPORT_LANHUB_TA)
/* LANHUB */
} else if (val2 & DEV_LANHUB) {
if(usbsw->previous_dock == ADC_LANHUB &&
usbsw->lanhub_ta_status == 1 )
/*Skip for the LANHUB+TA Case*/
pr_info("[MUIC] Lanhub + TA is connected\n");
else {
/* Enable RAWDATA Interrupts */
sm5502_enable_rawdataInterrupts(usbsw);
sm5502_detect_lanhub(usbsw);
}
#endif
#if defined(CONFIG_MUIC_SUPPORT_CHARGING_CABLE)
/* Charging Cable */
} else if ((val2 & DEV_PPD) && (adc == ADC_CHARGING_CABLE)) {
pr_info("[MUIC] Phone Charging cable Connected\n");
pdata->callback(CABLE_TYPE_CHARGING_CABLE,
SM5502_ATTACHED);
#endif
/* Incompatible */
} else if (vbus & DEV_VBUSIN_VALID) {
pr_info("[MUIC] Incompatible Charger Connected\n");
usbsw->attached_dev = ATTACHED_DEV_UNKNOWN_MUIC;
pdata->callback(CABLE_TYPE_INCOMPATIBLE,
SM5502_ATTACHED);
}
#if defined(CONFIG_TOUCHSCREEN_MMS144)
else{
tsp_noti_ignore = 1;
printk("[TSP] attached, but don't noti \n");
}
if(!tsp_noti_ignore)
tsp_charger_infom(1);
#endif
usbsw->dev1 = val1;
usbsw->dev2 = val2;
usbsw->dev3 = val3;
usbsw->adc = adc;
usbsw->vbus = vbus;
usbsw->carkit_dev = val4;
return adc;
}
static int sm5502_detach_dev(struct sm5502_usbsw *usbsw)
{
struct sm5502_platform_data *pdata = usbsw->pdata;
#if defined(CONFIG_TOUCHSCREEN_MMS144)
int tsp_noti_ignore = 0;
#endif
/* USB */
if (usbsw->dev1 & DEV_USB) {
pr_info("[MUIC] USB Disconnected\n");
pdata->callback(CABLE_TYPE_USB, SM5502_DETACHED);
} else if (usbsw->dev1 & DEV_USB_CHG) {
pdata->callback(CABLE_TYPE_CDP, SM5502_DETACHED);
/* D+,D-open */
} else if (usbsw->dev3 & DEV_NON_STANDARD) {
pr_info("[MUIC] D+,D-open Disconnected\n");
pdata->callback(CABLE_TYPE_USB, SM5502_DETACHED);
/* UART */
} else if (usbsw->dev1 & DEV_T1_UART_MASK ||
usbsw->dev2 & DEV_T2_UART_MASK) {
#if defined(CONFIG_MUIC_SUPPORT_RUSTPROOF)
if(usbsw->is_rustproof) {
pr_info("[MUIC] RustProof mode Disconnected Event\n");
muic_rustproof_feature(usbsw->client,SM5502_DETACHED);
} else
#endif
{
pr_info("[MUIC] UART Disconnected\n");
if(usbsw->vbus & DEV_VBUSIN_VALID)
pdata->callback(CABLE_TYPE_JIG_UART_OFF_VB, SM5502_DETACHED);
else
pdata->callback(CABLE_TYPE_UARTOFF, SM5502_DETACHED);
uart_sm5502_connecting = 0;
#if (defined(CONFIG_MACH_MS01_EUR_3G) || defined(CONFIG_MACH_MS01_CHN_CMCC_3G) || defined(CONFIG_MACH_MS01_CHN_CU_3G))
flash_control(false);
#endif
}
#ifndef CONFIG_ATT_CHARGER_SUPPORT
/* L Company Cable Detection Code */
} else if (usbsw->adc == 0x17 &&
(usbsw->carkit_dev & DEV_CARKIT_CHARGER1_MASK)) {
pr_info("[MUIC] 219K USB Cable/Charger Disconnected\n");
pdata->callback(CABLE_TYPE_219KUSB,SM5502_DETACHED);
#endif
/* CHARGER */
} else if ((usbsw->dev1 & DEV_T1_CHARGER_MASK) ||
(usbsw->dev3 & DEV_T3_CHARGER_MASK)) {
pr_info("[MUIC] Charger Disconnected\n");
pdata->callback(CABLE_TYPE_AC, SM5502_DETACHED);
#if defined(CONFIG_USB_HOST_NOTIFY)
/* for SAMSUNG OTG */
} else if (usbsw->dev1 & DEV_USB_OTG) {
pr_info("[MUIC] OTG Disconnected\n");
#if defined CONFIG_ID_BYPASS_SBL
otg_attached = 0;
#endif
#if defined(CONFIG_MUIC_SM5502_SUPPORT_LANHUB_TA)
sm5502_disable_rawdataInterrupts(usbsw);
pr_info("%s:lanhub_ta_status(%d)\n",
__func__, usbsw->lanhub_ta_status);
lanhub_ta_case = false;
if (usbsw->lanhub_ta_status == 0) {
pdata->callback(CABLE_TYPE_OTG,SM5502_DETACHED);
sm5502_set_otg(usbsw, SM5502_DETACHED);
}
else if (pdata->lanhub_cb && usbsw->lanhub_ta_status == 1)
pdata->lanhub_cb(CABLE_TYPE_LANHUB,SM5502_DETACHED, LANHUB);
usbsw->dock_attached = SM5502_DETACHED;
usbsw->lanhub_ta_status=0;
#else
sm5502_set_otg(usbsw, SM5502_DETACHED);
pdata->callback(CABLE_TYPE_OTG, SM5502_DETACHED);
#endif
#endif
/* JIG */
} else if (usbsw->dev2 & DEV_T2_USB_MASK) {
pr_info("[MUIC] JIG USB Disconnected\n");
if(usbsw->vbus & DEV_VBUSIN_VALID)
pdata->callback(CABLE_TYPE_USB, SM5502_DETACHED);
else
pdata->callback(CABLE_TYPE_JIG, SM5502_DETACHED);
#if (defined(CONFIG_MACH_MS01_EUR_3G) || defined(CONFIG_MACH_MS01_CHN_CMCC_3G) || defined(CONFIG_MACH_MS01_CHN_CU_3G))
flash_control(false);
#endif
/* Desk Dock */
} else if ((usbsw->dev2 & DEV_AV) ||
(usbsw->dev3 & DEV_AV_VBUS)) {
pr_info("[MUIC] Deskdock Disconnected\n");
local_usbsw->dock_attached = SM5502_DETACHED;
if(usbsw->vbus & DEV_VBUSIN_VALID)
sm5502_dock_control(usbsw, CABLE_TYPE_DESK_DOCK,
SM5502_DETACHED, SW_ALL_OPEN);
else
sm5502_dock_control(usbsw, CABLE_TYPE_DESK_DOCK_NO_VB,
SM5502_DETACHED, SW_ALL_OPEN);
#if defined(CONFIG_MHL_D3_SUPPORT)
/* MHL */
} else if (usbsw->dev3 & DEV_MHL) {
pr_info("[MUIC] MHL Disconnected\n");
//mhl_onoff_ex(false);
detached_sm5502_status = 1;
#endif
/* Car Dock */
} else if (usbsw->dev2 & DEV_JIG_UART_ON) {
pr_info("[MUIC] Cardock Disconnected\n");
#if defined(CONFIG_SEC_FACTORY)
local_usbsw->dock_attached = SM5502_DETACHED;
sm5502_dock_control(usbsw, CABLE_TYPE_CARDOCK,
SM5502_DETACHED, SW_ALL_OPEN);
#elif defined(CONFIG_MUIC_SUPPORT_RUSTPROOF)
if(usbsw->is_rustproof) {
pr_info("[MUIC] RustProof mode disconneted Event\n");
muic_rustproof_feature(usbsw->client,SM5502_DETACHED);
}
#endif
/* Smart Dock */
} else if (usbsw->dev2 == DEV_SMARTDOCK) {
pr_info("[MUIC] Smartdock Disconnected\n");
sm5502_dock_control(usbsw, CABLE_TYPE_SMART_DOCK,
SM5502_DETACHED, SW_ALL_OPEN);
#if defined(CONFIG_VIDEO_MHL_V2)
//mhl_onoff_ex(false);
#endif
#if defined(CONFIG_USB_HOST_NOTIFY)
/* Audio Dock */
} else if (usbsw->dev2 == DEV_AUDIO_DOCK) {
pr_info("[MUIC] Audiodock Disconnected\n");
sm5502_dock_control(usbsw, CABLE_TYPE_AUDIO_DOCK,
SM5502_DETACHED, SW_ALL_OPEN);
#endif
#if defined(CONFIG_MUIC_SM5502_SUPPORT_LANHUB_TA)
/* LANHUB */
} else if (usbsw->adc == ADC_LANHUB) {
pr_info("[MUIC] Lanhub disconnected\n");
/* Disable RAWDATA Interrupts */
sm5502_disable_rawdataInterrupts(usbsw);
lanhub_ta_case = false;
usbsw->dock_attached = SM5502_DETACHED;
sm5502_set_lanhub(usbsw,SM5502_DETACHED);
sm5502_mask_vbus_detect(usbsw, SM5502_DETACHED);
pr_info("%s:lanhub_ta_status(%d)\n",__func__, usbsw->lanhub_ta_status);
if (pdata->lanhub_cb && usbsw->lanhub_ta_status==1)
pdata->lanhub_cb(CABLE_TYPE_LANHUB, SM5502_DETACHED, LANHUB);
else if (usbsw->lanhub_ta_status == 0) {
pdata->callback(CABLE_TYPE_OTG, SM5502_DETACHED);
sm5502_set_otg(usbsw, SM5502_DETACHED);
}
usbsw->lanhub_ta_status=0;
usbsw->dock_attached = SM5502_DETACHED;
#endif
#if defined(CONFIG_MUIC_SUPPORT_CHARGING_CABLE)
/* Charging Cable */
} else if ((usbsw->dev2 & DEV_PPD) &&
(usbsw->adc == ADC_CHARGING_CABLE)) {
pr_info("[MUIC] Phone Charging cable Disconnected\n");
pdata->callback(CABLE_TYPE_CHARGING_CABLE,
SM5502_DETACHED);
#endif
/* Incompatible */
} else if (usbsw->vbus & DEV_VBUSIN_VALID) {
pr_info("[MUIC] Incompatible Charger Disconnected\n");
pdata->callback(CABLE_TYPE_INCOMPATIBLE,
SM5502_DETACHED);
}
#if defined(CONFIG_TOUCHSCREEN_MMS144)
else{
tsp_noti_ignore = 1;
printk("[TSP] detached, but don't noti \n");
}
if(!tsp_noti_ignore)
tsp_charger_infom(0);
#endif
i2c_smbus_write_byte_data(usbsw->client, REG_CONTROL, CON_MASK);
usbsw->dev1 = 0;
usbsw->dev2 = 0;
usbsw->dev3 = 0;
usbsw->adc = 0;
usbsw->vbus = 0;
usbsw->carkit_dev = 0;
usbsw->attached_dev = ATTACHED_DEV_NONE_MUIC;
return 0;
}
static irqreturn_t sm5502_irq_thread(int irq, void *data)
{
struct sm5502_usbsw *usbsw = data;
struct i2c_client *client = usbsw->client;
int intr1, intr2;
int val1, val3, adc , vbus;
/* SM5502 : Read interrupt -> Read Device */
pr_info("sm5502_irq_thread is called\n");
mutex_lock(&usbsw->mutex);
intr1 = i2c_smbus_read_byte_data(client, REG_INT1);
intr2 = i2c_smbus_read_byte_data(client, REG_INT2);
adc = i2c_smbus_read_byte_data(client, REG_ADC);
dev_info(&client->dev, "%s: intr1 : 0x%x,intr2 : 0x%x, adc : 0x%x\n",
__func__, intr1, intr2,adc);
/* MUIC OVP Check */
if (intr1 & INT_OVP_ENABLE)
usbsw->pdata->oxp_callback(ENABLE);
else if (intr1 & INT_OXP_DISABLE)
usbsw->pdata->oxp_callback(DISABLE);
#if defined(CONFIG_MUIC_SM5502_SUPPORT_LANHUB_TA)
if((intr1 == 0x00 && (intr2 & 0x04))
|| ((intr1 & INT_DETACH) && (intr2 & 0x04)))
sm5502_detect_lanhub(usbsw);
else
#endif
/* device detection */
/* interrupt both attach and detach */
if (intr1 == (INT_ATTACH + INT_DETACH)) {
val1 = i2c_smbus_read_byte_data(client, REG_DEVICE_TYPE1);
val3 = i2c_smbus_read_byte_data(client, REG_DEVICE_TYPE3);
vbus = i2c_smbus_read_byte_data(client, REG_VBUSINVALID);
if ((adc == ADC_OPEN) && (val1 == DATA_NONE) &&
((val3 == DATA_NONE) || (vbus == 0x00)))
sm5502_detach_dev(usbsw);
else
sm5502_attach_dev(usbsw);
}
/* interrupt attach */
else if ( (intr1 & INT_ATTACH) || (intr2 & INT_RESERVED_ATTACH ) )
sm5502_attach_dev(usbsw);
/* interrupt detach */
else if (intr1 & INT_DETACH)
sm5502_detach_dev(usbsw);
else if ((intr2 == INT_VBUSOUT_ON)) {
pr_info("sm5502: VBUSOUT_ON\n");
#ifdef CONFIG_USB_HOST_NOTIFY
sec_otg_notify(HNOTIFY_OTG_POWER_ON);
#endif
if(sec_get_notification(HNOTIFY_MODE) != NOTIFY_TEST_MODE){
/*JIG UART OFF VBUS Change or Sosche Charger*/
if((adc == ADC_JIG_UART_OFF) || (adc == ADC_OPEN))
sm5502_attach_dev(usbsw);
/*Deskdock VBUS Change scenario*/
else if(adc == ADC_DESKDOCK)
usbsw->pdata->callback(CABLE_TYPE_DESK_DOCK,SM5502_ATTACHED);
}
}
else if (intr2 == INT_VBUSOUT_OFF) {
pr_info("sm5502: VBUSOUT_OFF\n");
#ifdef CONFIG_USB_HOST_NOTIFY
sec_otg_notify(HNOTIFY_OTG_POWER_OFF);
#endif
if(sec_get_notification(HNOTIFY_MODE) != NOTIFY_TEST_MODE){
/*JIG UART OFF VBUS Change or Sosche Charger*/
if((adc == ADC_JIG_UART_OFF) || (adc == ADC_OPEN))
sm5502_detach_dev(usbsw);
/*Deskdock VBUS Change scenario*/
else if(adc == ADC_DESKDOCK)
usbsw->pdata->callback(CABLE_TYPE_DESK_DOCK_NO_VB,SM5502_DETACHED);
}
}
mutex_unlock(&usbsw->mutex);
pr_info("sm5502_irq_thread,end\n");
return IRQ_HANDLED;
}
static int sm5502_irq_init(struct sm5502_usbsw *usbsw)
{
struct i2c_client *client = usbsw->client;
int ret;
if (client->irq) {
ret = request_threaded_irq(client->irq, NULL,
sm5502_irq_thread, IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
"sm5502 micro USB", usbsw);
if (ret) {
dev_err(&client->dev, "failed to reqeust IRQ\n");
return ret;
}
enable_irq_wake(client->irq);
}
return 0;
}
static void sm5502_init_detect(struct work_struct *work)
{
struct sm5502_usbsw *usbsw = container_of(work,
struct sm5502_usbsw, init_work.work);
int ret;
int int_reg1, int_reg2;
dev_info(&usbsw->client->dev, "%s\n", __func__);
mutex_lock(&usbsw->mutex);
sm5502_attach_dev(usbsw);
mutex_unlock(&usbsw->mutex);
ret = sm5502_irq_init(usbsw);
if (ret)
dev_info(&usbsw->client->dev,
"failed to enable irq init %s\n", __func__);
int_reg1 = sm5502_read_reg(usbsw->client, REG_INT1);
dev_info(&usbsw->client->dev, "%s: intr1 : 0x%x\n",
__func__, int_reg1);
int_reg2 = i2c_smbus_read_byte_data(usbsw->client, REG_INT2);
dev_info(&usbsw->client->dev, "%s: intr2 : 0x%x\n",
__func__, int_reg2);
}
#ifdef CONFIG_OF
static int sm5502_parse_dt(struct device *dev, struct sm5502_platform_data *pdata)
{
struct device_node *np = dev->of_node;
/*changes can be added later, when needed*/
#if 0
/* regulator info */
pdata->i2c_pull_up = of_property_read_bool(np, "sm5502,i2c-pull-up");
#endif
/* reset, irq gpio info */
pdata->gpio_scl = of_get_named_gpio_flags(np, "sm5502,gpio-scl",
0, &pdata->scl_gpio_flags);
pdata->gpio_uart_on = of_get_named_gpio_flags(np, "sm5502,uarton-gpio",
0, &pdata->uarton_gpio_flags);
pdata->gpio_sda = of_get_named_gpio_flags(np, "sm5502,gpio-sda",
0, &pdata->sda_gpio_flags);
pdata->gpio_int = of_get_named_gpio_flags(np, "sm5502,irq-gpio",
0, &pdata->irq_gpio_flags);
pr_info("%s: irq-gpio: %u \n", __func__, pdata->gpio_int);
return 0;
}
#endif
static int __devinit sm5502_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
struct sm5502_usbsw *usbsw;
int ret = 0;
struct device *switch_dev;
struct sm5502_platform_data *pdata;
dev_info(&client->dev,"%s:sm5502 probe called \n",__func__);
if(client->dev.of_node) {
pdata = devm_kzalloc(&client->dev,
sizeof(struct sm5502_platform_data), GFP_KERNEL);
if (!pdata) {
dev_err(&client->dev, "Failed to allocate memory \n");
return -ENOMEM;
}
ret = sm5502_parse_dt(&client->dev, pdata);
if (ret < 0) {
dev_err(&client->dev, "sm5502_parse_dt failed\n");
goto fail;
}
pdata->callback = sm5502_callback;
#if defined(CONFIG_MUIC_SM5502_SUPPORT_LANHUB_TA)
pdata->lanhub_cb = sm5502_lanhub_callback;
#endif
pdata->dock_init = sm5502_dock_init;
pdata->oxp_callback = sm5502_oxp_callback;
pdata->mhl_sel = NULL;
#if defined(CONFIG_MACH_S3VE3G_EUR) || defined(CONFIG_MACH_VICTOR3GDSDTV_LTN)
gpio_tlmm_config(GPIO_CFG(pdata->gpio_int, 0, GPIO_CFG_INPUT,
GPIO_CFG_PULL_UP, GPIO_CFG_2MA), GPIO_CFG_ENABLE);
#else
gpio_tlmm_config(GPIO_CFG(pdata->gpio_int, 0, GPIO_CFG_INPUT,
GPIO_CFG_NO_PULL, GPIO_CFG_2MA), GPIO_CFG_ENABLE);
#endif
gpio_tlmm_config(GPIO_CFG(pdata->gpio_scl, 0, GPIO_CFG_INPUT,
GPIO_CFG_NO_PULL, GPIO_CFG_2MA), GPIO_CFG_ENABLE);
gpio_tlmm_config(GPIO_CFG(pdata->gpio_sda, 0, GPIO_CFG_INPUT,
GPIO_CFG_NO_PULL, GPIO_CFG_2MA), GPIO_CFG_ENABLE);
#if defined(CONFIG_MACH_S3VE3G_EUR) || defined(CONFIG_MACH_VICTOR3GDSDTV_LTN) || defined(CONFIG_MACH_ATLANTIC3GEUR_OPEN)
gpio_tlmm_config(GPIO_CFG(pdata->gpio_uart_on, 0, GPIO_CFG_INPUT,
GPIO_CFG_PULL_DOWN, GPIO_CFG_2MA), GPIO_CFG_DISABLE);
#else
gpio_tlmm_config(GPIO_CFG(pdata->gpio_uart_on, 0, GPIO_CFG_INPUT,
GPIO_CFG_NO_PULL, GPIO_CFG_2MA), GPIO_CFG_DISABLE);
#endif
client->irq = gpio_to_irq(pdata->gpio_int);
} else {
pdata = client->dev.platform_data;
if (!pdata)
return -EINVAL;
}
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
dev_err(&client->dev, "i2c functionality check failed...!\n");
ret = -EIO;
goto fail;
}
usbsw = kzalloc(sizeof(struct sm5502_usbsw), GFP_KERNEL);
if (!usbsw) {
dev_err(&client->dev, "failed to allocate driver data\n");
ret = -ENOMEM;
goto fail;
}
usbsw->client = client;
if (client->dev.of_node)
usbsw->pdata = pdata;
else
usbsw->pdata = client->dev.platform_data;
if (!usbsw->pdata)
goto fail1;
i2c_set_clientdata(client, usbsw);
mutex_init(&usbsw->mutex);
local_usbsw = usbsw;
#if defined(CONFIG_MUIC_SUPPORT_RUSTPROOF)
ret = sm5502_read_reg(client,REG_MANUAL_SW1);
if(ret<0) {
dev_err(&client->dev, "failed to read MANUAL SW1 Reg, err:%d\n",ret);
}
/* Keep the feature disabled by default */
usbsw->is_rustproof = false;
/* RUSTPROOF: disable UART connection if MANSW1 from BL is OPEN_RUSTPROOF*/
if(ret == MANSW1_OPEN_RUSTPROOF)
usbsw->is_rustproof = true;
#endif
/* SM5502 muic soft reset */
ret = sm5502_write_reg(client, REG_RESET, 0x01);
if(ret < 0) {
dev_err(&client->dev,"failed to Soft reset MUIC, err:%d\n",ret);
}
sm5502_reg_init(usbsw);
ret = sysfs_create_group(&client->dev.kobj, &sm5502_group);
if (ret) {
dev_err(&client->dev,
"failed to create sm5502 attribute group\n");
goto fail2;
}
/* make sysfs node /sys/class/sec/switch/ */
switch_dev = device_create(sec_class, NULL, 0, NULL, "switch");
if (IS_ERR(switch_dev)) {
pr_err("[SM5502] Failed to create device (switch_dev)!\n");
ret = PTR_ERR(switch_dev);
goto fail2;
}
ret = device_create_file(switch_dev, &dev_attr_usb_state);
if (ret < 0) {
pr_err("[SM5502] Failed to create file (usb_state)!\n");
goto err_create_file_state;
}
ret = device_create_file(switch_dev, &dev_attr_adc);
if (ret < 0) {
pr_err("[SM5502] Failed to create file (adc)!\n");
goto err_create_file_adc;
}
ret = device_create_file(switch_dev, &dev_attr_reset_switch);
if (ret < 0) {
pr_err("[SM5502] Failed to create file (reset_switch)!\n");
goto err_create_file_reset_switch;
}
ret = device_create_file(switch_dev, &dev_attr_attached_dev);
if (ret < 0) {
pr_err("[SM5502] Failed to create file (attached_dev)!\n");
goto err_create_file_attached_dev;
}
#if defined(CONFIG_MUIC_SUPPORT_RUSTPROOF)
ret = device_create_file(switch_dev, &dev_attr_uart_en);
if (ret < 0) {
pr_err("[SM5502] Failed to create file (uart_en)!\n");
goto err_create_file_uart_en;
}
ret = device_create_file(switch_dev, &dev_attr_uart_sel);
if (ret < 0) {
pr_err("[SM5502] Failed to create file (uart_sel)!\n");
goto err_create_file_uart_sel;
}
ret = device_create_file(switch_dev, &dev_attr_usb_sel);
if (ret < 0) {
pr_err("[SM5502] Failed to create file (usb_sel)!\n");
goto err_create_file_usb_sel;
}
#endif
local_usbsw->attached_dev = ATTACHED_DEV_NONE_MUIC;
#if defined(CONFIG_MUIC_SM5502_SUPPORT_LANHUB_TA)
local_usbsw->previous_dock = SM5502_NONE;
local_usbsw->lanhub_ta_status = 0;
#endif
dev_set_drvdata(switch_dev, usbsw);
/* sm5502 dock init*/
if (usbsw->pdata->dock_init)
usbsw->pdata->dock_init();
/* initial cable detection */
INIT_DELAYED_WORK(&usbsw->init_work, sm5502_init_detect);
schedule_delayed_work(&usbsw->init_work, msecs_to_jiffies(2700));
return 0;
#if defined(CONFIG_MUIC_SUPPORT_RUSTPROOF)
err_create_file_usb_sel:
device_remove_file(switch_dev, &dev_attr_usb_sel);
err_create_file_uart_sel:
device_remove_file(switch_dev, &dev_attr_uart_sel);
err_create_file_uart_en:
device_remove_file(switch_dev, &dev_attr_uart_en);
#endif
err_create_file_attached_dev:
device_remove_file(switch_dev, &dev_attr_attached_dev);
err_create_file_reset_switch:
device_remove_file(switch_dev, &dev_attr_reset_switch);
err_create_file_adc:
device_remove_file(switch_dev, &dev_attr_adc);
err_create_file_state:
device_remove_file(switch_dev, &dev_attr_usb_state);
fail2:
if (client->irq)
free_irq(client->irq, usbsw);
mutex_destroy(&usbsw->mutex);
i2c_set_clientdata(client, NULL);
fail1:
kfree(usbsw);
fail:
kfree(pdata);
return ret;
}
static int __devexit sm5502_remove(struct i2c_client *client)
{
struct sm5502_usbsw *usbsw = i2c_get_clientdata(client);
cancel_delayed_work(&usbsw->init_work);
if (client->irq) {
disable_irq_wake(client->irq);
free_irq(client->irq, usbsw);
}
mutex_destroy(&usbsw->mutex);
i2c_set_clientdata(client, NULL);
sysfs_remove_group(&client->dev.kobj, &sm5502_group);
kfree(usbsw);
return 0;
}
static int sm5502_resume(struct i2c_client *client)
{
struct sm5502_usbsw *usbsw = i2c_get_clientdata(client);
int ldev1,ldev2,ldev3;
pr_info("%s: resume \n",__func__);
ldev1 = i2c_smbus_read_byte_data(client, REG_DEVICE_TYPE1);
if (ldev1 < 0)
{
pr_err("%s: Dev reg 1 read err! %d \n",__func__, ldev1);
goto safe_exit;
}
ldev2 = i2c_smbus_read_byte_data(client, REG_DEVICE_TYPE2);
if (ldev2 < 0)
{
pr_err("%s: Dev reg 2 read err! %d \n",__func__, ldev2);
goto safe_exit;
}
ldev3 = i2c_smbus_read_byte_data(client, REG_DEVICE_TYPE3);
if (ldev3 < 0)
{
pr_err("%s: Dev reg 3 read err! %d \n",__func__, ldev3);
goto safe_exit;
}
i2c_smbus_read_byte_data(client, REG_INT1);
i2c_smbus_read_byte_data(client, REG_INT2);
if (usbsw->dev1 != ldev1 || usbsw->dev2 != ldev2 || usbsw->dev3 != ldev3)
{
/* device detection */
mutex_lock(&usbsw->mutex);
sm5502_attach_dev(usbsw);
mutex_unlock(&usbsw->mutex);
}
safe_exit:
return 0;
}
static const struct i2c_device_id sm5502_id[] = {
{"sm5502", 0},
{}
};
MODULE_DEVICE_TABLE(i2c, sm5502_id);
static struct of_device_id sm5502_i2c_match_table[] = {
{ .compatible = "sm5502,i2c",},
{},
};
MODULE_DEVICE_TABLE(of, sm5502_i2c_match_table);
static struct i2c_driver sm5502_i2c_driver = {
.driver = {
.name = "sm5502",
.owner = THIS_MODULE,
.of_match_table = sm5502_i2c_match_table,
},
.probe = sm5502_probe,
.remove = __devexit_p(sm5502_remove),
.resume = sm5502_resume,
.id_table = sm5502_id,
};
static int __init sm5502_init(void)
{
#if defined(CONFIG_MACH_S3VE_CHN_OPEN) || defined(CONFIG_MACH_S3VE_CHN_CMCC)
if (system_rev < 3)
return 0;
#endif
return i2c_add_driver(&sm5502_i2c_driver);
}
/*
Late init call is required MUIC was accessing
USB driver before USB initialization and watch dog reset
was happening when booted with USB connected*/
#if defined(CONFIG_TORCH_FIX)
module_init(sm5502_init);
#else
late_initcall(sm5502_init);
#endif
static void __exit sm5502_exit(void)
{
i2c_del_driver(&sm5502_i2c_driver);
}
module_exit(sm5502_exit);
MODULE_AUTHOR("Jeongrae Kim <Jryu.kim@samsung.com>");
MODULE_DESCRIPTION("SM5502 Micro USB Switch driver");
MODULE_LICENSE("GPL");
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