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//#include "extmd_mt6252d.h"
#include <linux/delay.h>
#include <linux/sched.h>
#include <linux/module.h>
#include <mach/mt_reg_base.h>
#include <mach/mt_gpio.h>
#include <linux/spinlock.h>
#include "cust_gpio_usage.h"
#ifdef CONFIG_OF
#include <linux/of.h>
#include <linux/of_irq.h>
#include <mach/eint.h>
#include <linux/interrupt.h>
#else
#include <cust_eint.h>
#endif
#define EMD_MSG_INF(tag, fmt, args...) printk(KERN_ERR "[emd/" tag "]" fmt, ##args)
#define POWER_ON_WAIT_RESET_TIME 1000
#define RESET_WAIT_RELEASE_TIME 10
#define POWER_ON_HOLD_TIME 5000
typedef struct _eint_inf{
unsigned int gpio_id;
unsigned int irq_id;
unsigned int intr_flag;
unsigned int debounce_time;
unsigned int irq_en_cnt;
unsigned int irq_reg;
void (*eint_cb)(void);
spinlock_t lock;
}eint_inf_t;
extern void mt_eint_mask(unsigned int eint_num);
extern void mt_eint_unmask(unsigned int eint_num);
extern void mt_eint_set_hw_debounce(unsigned int eint_num, unsigned int ms);
extern void mt_eint_registration(unsigned int eint_num, unsigned int flow, void (EINT_FUNC_PTR)(void), unsigned int is_auto_umask);
eint_inf_t ext_md_exp_eint;
eint_inf_t ext_md_wdt_eint;
eint_inf_t ext_md_wk_eint;
atomic_t traffic_on;
atomic_t allow_wk_md;
static const char *uart_port = "ttyMT1"; //should sync with user space
extern unsigned int mtk_uart_freeze_enable(char *port, int enable);
void cm_hold_wakeup_md_signal(void);
int get_eint_info(const char *name, eint_inf_t *eint_item)
{
#ifdef CONFIG_OF
struct device_node *node;
char buf[64];
int ints[2];
if ((NULL==name) || (NULL==eint_item)) {
EMD_MSG_INF("chr","%s: get invalid arguments:%p,%p\n", __func__, name, eint_item);
return -1;
}
snprintf(buf, 64, "mediatek, %s-eint", name);
EMD_MSG_INF("chr","%s: find:%s\n", __func__, buf);
node = of_find_compatible_node(NULL, NULL, buf);
if (node) {
of_property_read_u32_array(node, "debounce", ints, ARRAY_SIZE(ints));
eint_item->gpio_id = ints[0];
eint_item->debounce_time = ints[1];
eint_item->irq_id = irq_of_parse_and_map(node, 0);
} else {
EMD_MSG_INF("chr","%s: can't find %s\n", __func__, name);
return -2;
}
#endif
return 0;
}
int eint_var_init(void)
{
memset(&ext_md_exp_eint, 0, sizeof(ext_md_exp_eint));
spin_lock_init(&ext_md_exp_eint.lock);
memset(&ext_md_wdt_eint, 0, sizeof(ext_md_wdt_eint));
spin_lock_init(&ext_md_wdt_eint.lock);
memset(&ext_md_wk_eint, 0, sizeof(ext_md_wk_eint));
spin_lock_init(&ext_md_wk_eint.lock);
#ifdef CONFIG_OF
EMD_MSG_INF("chr","%s: CONFIG_OF en\n", __func__);
if(get_eint_info("DT_EXT_MD_EXP", &ext_md_exp_eint) != 0)
return -1;
if(get_eint_info("DT_EXT_MD_WDT", &ext_md_wdt_eint) != 0)
return -1;
if(get_eint_info("DT_EXT_MD_WK_UP", &ext_md_wk_eint) != 0)
return -1;
#else
EMD_MSG_INF("chr","%s: CONFIG_OF dis\n", __func__);
// For exp
ext_md_exp_eint.gpio_id = GPIO_EXT_MD_EXP;
ext_md_exp_eint.debounce_time = CUST_EINT_DT_EXT_MD_EXP_DEBOUNCE_CN;
ext_md_exp_eint.irq_id = CUST_EINT_DT_EXT_MD_EXP_NUM;
ext_md_exp_eint.intr_flag = CUST_EINT_DT_EXT_MD_EXP_TYPE;
// For wdt
ext_md_wdt_eint.gpio_id = GPIO_EXT_MD_WD;
ext_md_wdt_eint.debounce_time = CUST_EINT_DT_EXT_MD_WDT_DEBOUNCE_CN;
ext_md_wdt_eint.irq_id = CUST_EINT_DT_EXT_MD_WDT_NUM;
ext_md_wdt_eint.intr_flag = CUST_EINT_DT_EXT_MD_WDT_TYPE;
// For wakeup
ext_md_wk_eint.gpio_id = GPIO_EXT_MD_WK_AP;
ext_md_wk_eint.debounce_time = CUST_EINT_DT_EXT_MD_WK_UP_DEBOUNCE_CN;
ext_md_wk_eint.irq_id = CUST_EINT_DT_EXT_MD_WK_UP_NUM;
ext_md_wk_eint.intr_flag = CUST_EINT_DT_EXT_MD_WK_UP_TYPE;
#endif
EMD_MSG_INF("chr","%s: Eint-EXP(%d,%d,%d,%x)\n", __func__, ext_md_exp_eint.gpio_id, ext_md_exp_eint.debounce_time, \
ext_md_exp_eint.irq_id, ext_md_exp_eint.intr_flag);
EMD_MSG_INF("chr","%s: Eint-WDT(%d,%d,%d,%x)\n", __func__, ext_md_wdt_eint.gpio_id, ext_md_wdt_eint.debounce_time, \
ext_md_wdt_eint.irq_id, ext_md_wdt_eint.intr_flag);
EMD_MSG_INF("chr","%s: Eint-WK UP(%d,%d,%d,%x)\n", __func__, ext_md_wk_eint.gpio_id, ext_md_wk_eint.debounce_time, \
ext_md_wk_eint.irq_id, ext_md_wk_eint.intr_flag);
return 0;
}
void cm_enable_ext_md_wdt_irq(void)
{
#ifdef CONFIG_OF
unsigned long flags;
#endif
EMD_MSG_INF("chr","cm_enable_ext_md_wdt_irq:DT_EXT_MD_WD(%d)\n",ext_md_wdt_eint.irq_id);
#ifdef CONFIG_OF
spin_lock_irqsave(&ext_md_wdt_eint.lock, flags);
if(ext_md_wdt_eint.irq_reg) {
if(ext_md_wdt_eint.irq_en_cnt==0) {
enable_irq(ext_md_wdt_eint.irq_id);
ext_md_wdt_eint.irq_en_cnt = 1;
}
}
spin_unlock_irqrestore(&ext_md_wdt_eint.lock, flags);
#else
mt_eint_unmask(ext_md_wdt_eint.irq_id);
#endif
}
void cm_disable_ext_md_wdt_irq(void)
{
#ifdef CONFIG_OF
unsigned long flags;
#endif
EMD_MSG_INF("chr","cm_disable_ext_md_wdt_irq:CUST_EINT_DT_EXT_MD_WDT_NUM(%d)!\n",ext_md_wdt_eint.irq_id);
#ifdef CONFIG_OF
spin_lock_irqsave(&ext_md_wdt_eint.lock, flags);
if(ext_md_wdt_eint.irq_reg) {
if(ext_md_wdt_eint.irq_en_cnt>0) {
disable_irq_nosync(ext_md_wdt_eint.irq_id);
ext_md_wdt_eint.irq_en_cnt = 0;
}
}
spin_unlock_irqrestore(&ext_md_wdt_eint.lock, flags);
#else
mt_eint_mask(ext_md_wdt_eint.irq_id);
#endif
}
void cm_enable_ext_md_wakeup_irq(void)
{
#ifdef CONFIG_OF
unsigned long flags;
#endif
EMD_MSG_INF("chr","cm_enable_ext_md_wakeup_irq,CUST_EINT_DT_EXT_MD_WK_UP_NUM(%d)\n",ext_md_wk_eint.irq_id);
#ifdef CONFIG_OF
spin_lock_irqsave(&ext_md_wk_eint.lock, flags);
if(ext_md_wk_eint.irq_reg) {
if(ext_md_wk_eint.irq_en_cnt==0) {
enable_irq(ext_md_wk_eint.irq_id);
ext_md_wk_eint.irq_en_cnt = 1;
}
}
spin_unlock_irqrestore(&ext_md_wk_eint.lock, flags);
#else
mt_eint_unmask(ext_md_wk_eint.irq_id);
#endif
}
void cm_disable_ext_md_wakeup_irq(void)
{
#ifdef CONFIG_OF
unsigned long flags;
#endif
EMD_MSG_INF("chr","cm_disable_ext_md_wakeup_irq,CUST_EINT_DT_EXT_MD_WK_UP_NUM(%d)\n",ext_md_wk_eint.irq_id);
#ifdef CONFIG_OF
spin_lock_irqsave(&ext_md_wk_eint.lock, flags);
if(ext_md_wk_eint.irq_reg) {
if(ext_md_wk_eint.irq_en_cnt>0) {
disable_irq_nosync(ext_md_wk_eint.irq_id);
ext_md_wk_eint.irq_en_cnt = 0;
}
}
spin_unlock_irqrestore(&ext_md_wk_eint.lock, flags);
#else
mt_eint_mask(ext_md_wk_eint.irq_id);
#endif
}
void cm_enable_ext_md_exp_irq(void)
{
#ifdef CONFIG_OF
unsigned long flags;
#endif
EMD_MSG_INF("chr","cm_enable_ext_md_exp_irq,CUST_EINT_DT_EXT_MD_EXP_NUM(%d)\n",ext_md_exp_eint.irq_id);
#ifdef CONFIG_OF
spin_lock_irqsave(&ext_md_exp_eint.lock, flags);
if(ext_md_exp_eint.irq_reg) {
if(ext_md_exp_eint.irq_en_cnt==0) {
enable_irq(ext_md_exp_eint.irq_id);
ext_md_exp_eint.irq_en_cnt = 1;
}
}
spin_unlock_irqrestore(&ext_md_exp_eint.lock, flags);
#else
mt_eint_unmask(ext_md_exp_eint.irq_id);
#endif
}
void cm_disable_ext_md_exp_irq(void)
{
#ifdef CONFIG_OF
unsigned long flags;
#endif
EMD_MSG_INF("chr","cm_disable_ext_md_exp_irq,CUST_EINT_DT_EXT_MD_EXP_NUM(%d)\n",ext_md_exp_eint.irq_id);
#ifdef CONFIG_OF
spin_lock_irqsave(&ext_md_exp_eint.lock, flags);
if(ext_md_exp_eint.irq_reg) {
if(ext_md_exp_eint.irq_en_cnt>0) {
disable_irq_nosync(ext_md_exp_eint.irq_id);
ext_md_exp_eint.irq_en_cnt = 0;
}
}
spin_unlock_irqrestore(&ext_md_exp_eint.lock, flags);
#else
mt_eint_mask(ext_md_exp_eint.irq_id);
#endif
}
void cm_hold_rst_signal(void)
{
EMD_MSG_INF("chr","cm_hold_rst_signal1:GPIO_EXT_MD_RST(%d)\n",mt_get_gpio_out(GPIO_EXT_MD_RST));
mt_set_gpio_dir(GPIO_EXT_MD_RST, 1);
#ifdef GPIO_EXT_USB_SW2
mt_set_gpio_out(GPIO_EXT_MD_RST, 0);
EMD_MSG_INF("chr","cm_hold_rst_signal2:set evb GPIO_EXT_MD_RST(out)=%d!\n",mt_get_gpio_out(GPIO_EXT_MD_RST));
#else
mt_set_gpio_out(GPIO_EXT_MD_RST, 1);
EMD_MSG_INF("chr","cm_hold_rst_signal2:set phone GPIO_EXT_MD_RST(out)=%d!\n",mt_get_gpio_out(GPIO_EXT_MD_RST));
#endif
}
void cm_relese_rst_signal(void)
{
EMD_MSG_INF("chr","cm_relese_rst_signal1:GPIO_EXT_MD_RST(%d)\n",mt_get_gpio_out(GPIO_EXT_MD_RST));
mt_set_gpio_dir(GPIO_EXT_MD_RST, 1);
#ifdef GPIO_EXT_USB_SW2
mt_set_gpio_out(GPIO_EXT_MD_RST, 1);
EMD_MSG_INF("chr","cm_relese_rst_signal2:GPIO_EXT_MD_RST(%d)\n",mt_get_gpio_out(GPIO_EXT_MD_RST));
mt_set_gpio_pull_enable(GPIO_EXT_MD_RST, 1);
mt_set_gpio_dir(GPIO_EXT_MD_RST, 0);
mt_set_gpio_pull_select(GPIO_EXT_MD_RST, 1);
EMD_MSG_INF("chr","cm_relese_rst_signal3:set evb GPIO_EXT_MD_RST(in)=%d!\n",mt_get_gpio_in(GPIO_EXT_MD_RST));
#else
mt_set_gpio_out(GPIO_EXT_MD_RST, 0);
EMD_MSG_INF("chr","cm_relese_rst_signal3:set phoneGPIO_EXT_MD_RST(in)=%d!\n",mt_get_gpio_in(GPIO_EXT_MD_RST));
#endif
}
static int is_hold_rst=0;
static int ignore_wdt_interrupt = 0;
int cm_do_md_go(void)
{
int ret = -1;
if (is_hold_rst)
{
is_hold_rst=0;
unsigned int retry = 100;
EMD_MSG_INF("chr","cm_do_md_go:1\n");
EMD_MSG_INF("chr","cm_do_md_go2:GPIO_EXT_MD_RST(out)=%d,GPIO_EXT_MD_WD(in)=%d\n",mt_get_gpio_out(GPIO_EXT_MD_RST),mt_get_gpio_in(GPIO_EXT_MD_WD));
cm_relese_rst_signal();
EMD_MSG_INF("chr","cm_do_md_go3:GPIO_EXT_MD_RST(out)=%d,GPIO_EXT_MD_WD(in)=%d\n",mt_get_gpio_out(GPIO_EXT_MD_RST),mt_get_gpio_in(GPIO_EXT_MD_WD));
// Check WDT pin to high
while(retry>0){
retry--;
if(mt_get_gpio_in(GPIO_EXT_MD_WD)==0)
{
msleep(10);
}
else
{
ret=100-retry;
break;
}
}
atomic_set(&traffic_on, 1);
msleep(1000); // for use AP_WK_MD as EXT_MD_META, give 6261 bootloader sometime to read boot mode
atomic_set(&allow_wk_md, 1);
cm_hold_wakeup_md_signal();
EMD_MSG_INF("chr","cm_do_md_go4:GPIO_EXT_MD_RST(out)=%d,GPIO_EXT_MD_WD(in)=%d\n",mt_get_gpio_out(GPIO_EXT_MD_RST),mt_get_gpio_in(GPIO_EXT_MD_WD));
msleep(POWER_ON_HOLD_TIME);
mt_set_gpio_out(GPIO_EXT_MD_PWR_KEY, 0);
}
mt_set_gpio_dir(GPIO_EXT_MD_WK_AP, 0);
mt_set_gpio_pull_enable(GPIO_EXT_MD_WK_AP, 1);
mt_set_gpio_pull_select(GPIO_EXT_MD_WK_AP, 1);
cm_enable_ext_md_wdt_irq();
cm_enable_ext_md_wakeup_irq();
cm_enable_ext_md_exp_irq();
//msleep(50); // WDT IRQ is level triggered now, no need this debounce
ignore_wdt_interrupt = 0;
return ret;
}
#ifdef CONFIG_MTK_DT_USB_SUPPORT
#ifdef CONFIG_PM_RUNTIME
void usb11_auto_resume(void);
#endif
#endif
int cm_enter_md_download_mode(void)
{
#ifdef CONFIG_MTK_DT_USB_SUPPORT
#ifdef CONFIG_PM_RUNTIME
/* make sure usb device tree is waked up so that usb is ready */
usb11_auto_resume();
#endif
#endif
EMD_MSG_INF("chr","cm_do_md_power_on:set GPIO_EXT_MD_DL_KEY(%d)\n",GPIO_EXT_MD_DL_KEY);
// Press download key to let md can enter download mode
mt_set_gpio_dir(GPIO_EXT_MD_DL_KEY, 1);
#ifdef GPIO_EXT_USB_SW2
mt_set_gpio_out(GPIO_EXT_MD_DL_KEY, 0);
EMD_MSG_INF("chr","cm_do_md_power_on:set evb GPIO_EXT_MD_DL_KEY=%d\n",mt_get_gpio_out(GPIO_EXT_MD_DL_KEY));
#else
mt_set_gpio_out(GPIO_EXT_MD_DL_KEY, 1);
EMD_MSG_INF("chr","cm_do_md_power_on:set phone GPIO_EXT_MD_DL_KEY=%d\n",mt_get_gpio_out(GPIO_EXT_MD_DL_KEY));
#endif
mt_set_gpio_dir(GPIO_EXT_MD_WK_AP, 0);
mt_set_gpio_pull_enable(GPIO_EXT_MD_WK_AP, 1);
mt_set_gpio_pull_select(GPIO_EXT_MD_WK_AP, 0);
// Press power key
mt_set_gpio_dir(GPIO_EXT_MD_PWR_KEY, 1);
mt_set_gpio_out(GPIO_EXT_MD_PWR_KEY, 1);
msleep(POWER_ON_WAIT_RESET_TIME);
ignore_wdt_interrupt = 1;
cm_hold_rst_signal();
msleep(RESET_WAIT_RELEASE_TIME);
cm_relese_rst_signal();
// Hold on
msleep(POWER_ON_HOLD_TIME);
cm_enable_ext_md_wdt_irq();
cm_enable_ext_md_wakeup_irq();
cm_enable_ext_md_exp_irq();
return 0;
}
int cm_do_md_power_on(int bootmode)
{
EMD_MSG_INF("chr","cm_do_md_power_on\n");
cm_disable_ext_md_wdt_irq();
cm_disable_ext_md_wakeup_irq();
cm_disable_ext_md_exp_irq();
// Release download key to let md can enter normal boot
mt_set_gpio_dir(GPIO_EXT_MD_DL_KEY, 1);
#ifdef GPIO_EXT_USB_SW2
mt_set_gpio_out(GPIO_EXT_MD_DL_KEY, 1);
EMD_MSG_INF("chr","cm_do_md_power_on:set evb GPIO_EXT_MD_DL_KEY=%d\n",mt_get_gpio_out(GPIO_EXT_MD_DL_KEY));
#else
mt_set_gpio_out(GPIO_EXT_MD_DL_KEY, 0);
EMD_MSG_INF("chr","cm_do_md_power_on:set phone GPIO_EXT_MD_DL_KEY=%d\n",mt_get_gpio_out(GPIO_EXT_MD_DL_KEY));
#endif
mt_set_gpio_dir(GPIO_EXT_MD_PWR_KEY, 1);
mt_set_gpio_out(GPIO_EXT_MD_PWR_KEY, 1);
msleep(POWER_ON_WAIT_RESET_TIME);
ignore_wdt_interrupt = 1;
cm_hold_rst_signal();
is_hold_rst = 1;
EMD_MSG_INF("chr","cm_do_md_power_on:reset GPIO_EXT_MD_DL_KEY(%d),GPIO_EXT_MD_PWR_KEY(%d)\n",mt_get_gpio_out(GPIO_EXT_MD_DL_KEY),mt_get_gpio_out(GPIO_EXT_MD_PWR_KEY));
if(bootmode)
{
#ifndef GPIO_EXT_USB_SW2
mt_set_gpio_dir(GPIO_EXT_MD_META, 1);
mt_set_gpio_out(GPIO_EXT_MD_META, 1);
EMD_MSG_INF("chr","cm_do_md_power_on:meta mode,phone GPIO_EXT_MD_META(%d)\n",mt_get_gpio_out(GPIO_EXT_MD_META));
#else
mt_set_gpio_pull_enable(GPIO_EXT_MD_DUMP, 1);
mt_set_gpio_dir(GPIO_EXT_MD_DUMP, 1);
mt_set_gpio_out(GPIO_EXT_MD_DUMP, 1);
EMD_MSG_INF("chr","cm_do_md_power_on:meta mode,evb GPIO_EXT_MD_DUMP(%d)\n",mt_get_gpio_out(GPIO_EXT_MD_DUMP));
#endif
}
else
{
#ifndef GPIO_EXT_USB_SW2
mt_set_gpio_dir(GPIO_EXT_MD_META, 1);
mt_set_gpio_out(GPIO_EXT_MD_META, 0);
EMD_MSG_INF("chr","cm_do_md_power_on,phone GPIO_EXT_MD_META(%d)\n",mt_get_gpio_out(GPIO_EXT_MD_META));
#else
mt_set_gpio_dir(GPIO_EXT_MD_DUMP, 1);
mt_set_gpio_out(GPIO_EXT_MD_DUMP, 0);
EMD_MSG_INF("chr","cm_do_md_power_on,evb GPIO_EXT_MD_DUMP(%d)\n",mt_get_gpio_out(GPIO_EXT_MD_DUMP));
#endif
}
mt_set_gpio_dir(GPIO_EXT_MD_WK_AP, 0);
mt_set_gpio_pull_enable(GPIO_EXT_MD_WK_AP, 1);
mt_set_gpio_pull_select(GPIO_EXT_MD_WK_AP, 0);
mt_set_gpio_dir(GPIO_EXT_MD_EXP, 0);
mt_set_gpio_pull_enable(GPIO_EXT_MD_EXP, 1);
mt_set_gpio_pull_select(GPIO_EXT_MD_EXP, 1);
mtk_uart_freeze_enable(uart_port,1);
msleep(RESET_WAIT_RELEASE_TIME);
msleep(270);
EMD_MSG_INF("chr","cm_do_md_power_on: GPIO_EXT_MD_EXP(%d),GPIO_EXT_MD_WD(%d),GPIO_EXT_MD_RST(%d),GPIO_EXT_MD_PWR_KEY(%d)\n", \
mt_get_gpio_in(GPIO_EXT_MD_EXP),mt_get_gpio_in(GPIO_EXT_MD_WD),mt_get_gpio_out(GPIO_EXT_MD_RST),mt_get_gpio_out(GPIO_EXT_MD_PWR_KEY));
return 0;
}
void cm_dump_gpio(void)
{
unsigned int pin =0;
pin=GPIO_EXT_MD_DL_KEY;
EMD_MSG_INF("chr","cm_dump_gpio:GPIO_EXT_MD_DL_KEY: dir(%d) in(%d),out(%d)\n", \
mt_get_gpio_dir(pin), mt_get_gpio_in(pin), mt_get_gpio_out(pin));
pin=GPIO_EXT_MD_PWR_KEY;
EMD_MSG_INF("chr","cm_dump_gpio:GPIO_EXT_MD_PWR_KEY: dir(%d) in(%d),out(%d)\n", \
mt_get_gpio_dir(pin), mt_get_gpio_in(pin), mt_get_gpio_out(pin));
pin=GPIO_EXT_MD_RST;
EMD_MSG_INF("chr","cm_dump_gpio:GPIO_EXT_MD_RST: dir(%d) in(%d),out(%d)\n", \
mt_get_gpio_dir(pin), mt_get_gpio_in(pin), mt_get_gpio_out(pin));
pin=GPIO_EXT_MD_WD;
EMD_MSG_INF("chr","cm_dump_gpio:GPIO_EXT_MD_WD: dir(%d) in(%d),out(%d)\n", \
mt_get_gpio_dir(pin), mt_get_gpio_in(pin), mt_get_gpio_out(pin));
pin=GPIO_EXT_MD_WK_AP;
EMD_MSG_INF("chr","cm_dump_gpio:GPIO_EXT_MD_WK_AP: dir(%d) in(%d),out(%d)\n", \
mt_get_gpio_dir(pin), mt_get_gpio_in(pin), mt_get_gpio_out(pin));
pin=GPIO_EXT_AP_WK_MD;
EMD_MSG_INF("chr","cm_dump_gpio:GPIO_EXT_AP_WK_MD: dir(%d) in(%d),out(%d)\n", \
mt_get_gpio_dir(pin), mt_get_gpio_in(pin), mt_get_gpio_out(pin));
pin=GPIO_EXT_MD_EXP;
EMD_MSG_INF("chr","cm_dump_gpio:GPIO_EXT_MD_EXP: dir(%d) in(%d),out(%d)\n", \
mt_get_gpio_dir(pin), mt_get_gpio_in(pin), mt_get_gpio_out(pin));
pin=GPIO_EXT_MD_DUMP;
EMD_MSG_INF("chr","cm_dump_gpio:GPIO_EXT_MD_DUMP: dir(%d) in(%d),out(%d)\n", \
mt_get_gpio_dir(pin), mt_get_gpio_in(pin), mt_get_gpio_out(pin));
#ifndef GPIO_EXT_USB_SW2
pin=GPIO_EXT_MD_META;
EMD_MSG_INF("chr","cm_dump_gpio:GPIO_EXT_MD_META: dir(%d) in(%d),out(%d)\n", \
mt_get_gpio_dir(pin), mt_get_gpio_in(pin), mt_get_gpio_out(pin));
#endif
}
int cm_do_md_power_off(void)
{
EMD_MSG_INF("chr","cm_do_md_power_off\n");
atomic_set(&traffic_on, 0);
atomic_set(&allow_wk_md, 0);
// Release download key to let md can enter normal boot
mt_set_gpio_dir(GPIO_EXT_MD_DL_KEY, 1);
#ifdef GPIO_EXT_USB_SW2
mt_set_gpio_out(GPIO_EXT_MD_DL_KEY, 0);//set evb
#else
mt_set_gpio_out(GPIO_EXT_MD_DL_KEY, 1);//set phone
#endif
cm_disable_ext_md_wdt_irq();
cm_disable_ext_md_wakeup_irq();
cm_disable_ext_md_exp_irq();
mt_set_gpio_dir(GPIO_EXT_AP_WK_MD, 1);
mt_set_gpio_out(GPIO_EXT_AP_WK_MD, 0);
#ifndef GPIO_EXT_USB_SW2
mt_set_gpio_dir(GPIO_EXT_MD_META, 1);
mt_set_gpio_out(GPIO_EXT_MD_META, 0);
#endif
mt_set_gpio_out(GPIO_EXT_MD_PWR_KEY, 0);
//EMD_MSG_INF("chr","cm_do_md_power_off:GPIO_EXT_MD_PWR_KEY(%d)2\n",mt_get_gpio_out(GPIO_EXT_MD_PWR_KEY));
mt_set_gpio_dir(GPIO_EXT_MD_WK_AP, 0);
mt_set_gpio_pull_enable(GPIO_EXT_MD_WK_AP, 1);
mt_set_gpio_pull_select(GPIO_EXT_MD_WK_AP, 0);
mt_set_gpio_dir(GPIO_EXT_MD_EXP, 0);
mt_set_gpio_pull_enable(GPIO_EXT_MD_EXP, 1);
mt_set_gpio_pull_select(GPIO_EXT_MD_EXP, 0);
mt_set_gpio_dir(GPIO_EXT_MD_DUMP, 0);
mt_set_gpio_pull_enable(GPIO_EXT_MD_DUMP, 1);
mt_set_gpio_pull_select(GPIO_EXT_MD_DUMP, 1);
cm_dump_gpio();
return 0;
}
void cm_hold_wakeup_md_signal(void)
{
if(atomic_read(&allow_wk_md)) {
EMD_MSG_INF("chr","cm_hold_wakeup_md_signal:GPIO_EXT_AP_WK_MD=%d,0!\n",mt_get_gpio_out(GPIO_EXT_AP_WK_MD));
mt_set_gpio_out(GPIO_EXT_AP_WK_MD, 0);
} else {
EMD_MSG_INF("chr","cm_hold_wakeup_md_signal:GPIO_EXT_AP_WK_MD=%d,ignore!\n",mt_get_gpio_out(GPIO_EXT_AP_WK_MD));
}
}
void cm_release_wakeup_md_signal(void)
{
if(atomic_read(&allow_wk_md)) {
mt_set_gpio_out(GPIO_EXT_AP_WK_MD, 1);
EMD_MSG_INF("chr","cm_release_wakeup_md_signal:GPIO_EXT_AP_WK_MD=%d,1!\n",mt_get_gpio_out(GPIO_EXT_AP_WK_MD));
} else {
EMD_MSG_INF("chr","cm_release_wakeup_md_signal:GPIO_EXT_AP_WK_MD=%d,ignore!\n",mt_get_gpio_out(GPIO_EXT_AP_WK_MD));
}
}
int is_traffic_on(int type)
{
return atomic_read(&traffic_on);
}
void cm_gpio_setup(void)
{
EMD_MSG_INF("chr","cm_gpio_setup 1\n");
atomic_set(&traffic_on, 0);
atomic_set(&allow_wk_md, 0);
// MD wake up AP pin
mt_set_gpio_pull_enable(GPIO_EXT_MD_WK_AP, 1);
mt_set_gpio_pull_select(GPIO_EXT_MD_WK_AP, 0);
mt_set_gpio_dir(GPIO_EXT_MD_WK_AP, 0);
mt_set_gpio_mode(GPIO_EXT_MD_WK_AP, GPIO_EXT_MD_WK_AP_M_EINT);
EMD_MSG_INF("chr","cm_gpio_setup:GPIO_EXT_MD_WK_AP(%x)=%d\n",GPIO_EXT_MD_WK_AP,mt_get_gpio_out(GPIO_EXT_MD_WK_AP));
// AP wake up MD pin
mt_set_gpio_mode(GPIO_EXT_AP_WK_MD, GPIO_EXT_AP_WK_MD_M_GPIO); // GPIO Mode
mt_set_gpio_dir(GPIO_EXT_AP_WK_MD, 1);
mt_set_gpio_out(GPIO_EXT_AP_WK_MD, 0);
EMD_MSG_INF("chr","cm_gpio_setup:GPIO_EXT_AP_WK_MD(%x)=%d\n",GPIO_EXT_AP_WK_MD,mt_get_gpio_out(GPIO_EXT_AP_WK_MD));
// Rest MD pin
mt_set_gpio_mode(GPIO_EXT_MD_RST, GPIO_EXT_MD_RST_M_GPIO); //GPIO202 is reset pin
mt_set_gpio_pull_enable(GPIO_EXT_MD_RST, 0);
mt_set_gpio_pull_select(GPIO_EXT_MD_RST, 1);
cm_relese_rst_signal();
EMD_MSG_INF("chr","cm_gpio_setup 4\n");
EMD_MSG_INF("chr","cm_gpio_setup:GPIO_EXT_MD_RST(%x)=%d\n",GPIO_EXT_MD_RST,mt_get_gpio_out(GPIO_EXT_MD_RST));
// MD power key pin
mt_set_gpio_mode(GPIO_EXT_MD_PWR_KEY, GPIO_EXT_MD_PWR_KEY_M_GPIO); //GPIO 200 is power key
mt_set_gpio_pull_enable(GPIO_EXT_MD_PWR_KEY, 0);
mt_set_gpio_dir(GPIO_EXT_MD_PWR_KEY, 1);
mt_set_gpio_out(GPIO_EXT_MD_PWR_KEY, 0);
EMD_MSG_INF("chr","cm_gpio_setup:GPIO_EXT_MD_PWR_KEY(%x)=%d\n",GPIO_EXT_MD_PWR_KEY,mt_get_gpio_out(GPIO_EXT_MD_PWR_KEY));
// MD WDT irq pin
mt_set_gpio_pull_enable(GPIO_EXT_MD_WD, 1);
mt_set_gpio_pull_select(GPIO_EXT_MD_WD, 1);
mt_set_gpio_dir(GPIO_EXT_MD_WD, 0);
mt_set_gpio_mode(GPIO_EXT_MD_WD, GPIO_EXT_MD_WD_M_EINT); // EINT168
EMD_MSG_INF("chr","cm_gpio_setup GPIO_EXT_MD_WD(%x)(in)=%d\n",GPIO_EXT_MD_WD,mt_get_gpio_in(GPIO_EXT_MD_WD));
// MD Exception irq pin
mt_set_gpio_pull_enable(GPIO_EXT_MD_EXP, 1);
mt_set_gpio_pull_select(GPIO_EXT_MD_EXP, 1);
mt_set_gpio_dir(GPIO_EXT_MD_EXP, 0);
mt_set_gpio_mode(GPIO_EXT_MD_EXP, GPIO_EXT_MD_EXP_M_EINT); //
EMD_MSG_INF("chr","cm_gpio_setup GPIO_EXT_MD_EXP(%x)(in)=%d\n",GPIO_EXT_MD_EXP,mt_get_gpio_in(GPIO_EXT_MD_EXP));
#ifndef GPIO_EXT_USB_SW2
mt_set_gpio_mode(GPIO_EXT_MD_META, GPIO_EXT_MD_META_M_GPIO);
mt_set_gpio_dir(GPIO_EXT_MD_META, 1);// Using input floating
mt_set_gpio_out(GPIO_EXT_MD_META, 0);// Default @ reset state
EMD_MSG_INF("chr","cm_gpio_setup:phone GPIO_EXT_MD_META(%x)=%d\n",GPIO_EXT_MD_META,mt_get_gpio_out(GPIO_EXT_MD_META));
#else
mt_set_gpio_pull_enable(GPIO_EXT_MD_DUMP, 1);
mt_set_gpio_pull_select(GPIO_EXT_MD_DUMP, 0);
mt_set_gpio_dir(GPIO_EXT_MD_DUMP, 1);
mt_set_gpio_mode(GPIO_EXT_MD_DUMP, GPIO_EXT_MD_DUMP_M_GPIO);
EMD_MSG_INF("chr","cm_gpio_setup:evb GPIO_EXT_MD_DUMP(%x)(in)=(%d)\n",GPIO_EXT_MD_DUMP,mt_get_gpio_in(GPIO_EXT_MD_DUMP));
#endif
// Configure eint
eint_var_init();
}
void cm_ext_md_rst(void)
{
EMD_MSG_INF("chr","TODO: Dummy cm_ext_md_rst!\n");
}
irqreturn_t ext_md_exp_eint_handler(unsigned irq, struct irq_desc *desc)
{
if(ext_md_exp_eint.eint_cb)
ext_md_exp_eint.eint_cb();
if(ext_md_exp_eint.irq_en_cnt) {
disable_irq_nosync(irq);
ext_md_exp_eint.irq_en_cnt = 0;
}
return IRQ_HANDLED;
}
irqreturn_t ext_md_wk_eint_handler(unsigned irq, struct irq_desc *desc)
{
if(ext_md_wk_eint.eint_cb)
ext_md_wk_eint.eint_cb();
if(ext_md_wk_eint.irq_en_cnt) {
disable_irq_nosync(irq);
ext_md_wk_eint.irq_en_cnt = 0;
}
return IRQ_HANDLED;
}
irqreturn_t ext_md_wdt_eint_handler(unsigned irq, struct irq_desc *desc)
{
if (ignore_wdt_interrupt){
EMD_MSG_INF("chr","emd_wdt-eint ignored\n");
return IRQ_HANDLED;
}
if(ext_md_wdt_eint.eint_cb)
ext_md_wdt_eint.eint_cb();
if(ext_md_wdt_eint.irq_en_cnt) {
disable_irq_nosync(irq);
ext_md_wdt_eint.irq_en_cnt = 0;
}
return IRQ_HANDLED;
}
int cm_register_irq_cb(int type, void(*irq_cb)(void))
{
#ifdef CONFIG_OF
unsigned long flags;
int ret=0;
#endif
switch(type)
{
case 0:
//--- Ext MD wdt irq -------
#ifdef CONFIG_OF
mt_gpio_set_debounce(ext_md_wdt_eint.irq_id, ext_md_wdt_eint.debounce_time*1000);
spin_lock_irqsave(&ext_md_wdt_eint.lock, flags);
ext_md_wdt_eint.eint_cb = irq_cb;
ext_md_wdt_eint.irq_reg = 1;
ext_md_wdt_eint.irq_en_cnt=1;
spin_unlock_irqrestore(&ext_md_wdt_eint.lock, flags);
ret = request_irq(ext_md_wdt_eint.irq_id, ext_md_wdt_eint_handler, IRQF_TRIGGER_NONE, "emd_wdt-eint", NULL);
if(ret != 0) {
EMD_MSG_INF("chr","emd_wdt-eint register fail\n");
spin_lock_irqsave(&ext_md_wdt_eint.lock, flags);
ext_md_wdt_eint.eint_cb = NULL;
ext_md_wdt_eint.irq_reg = 0;
ext_md_wdt_eint.irq_en_cnt=0;
spin_unlock_irqrestore(&ext_md_wdt_eint.lock, flags);
}
#else
cm_disable_ext_md_wdt_irq();
mt_eint_set_hw_debounce(ext_md_wdt_eint.irq_id, ext_md_wdt_eint.debounce_time);
mt_eint_registration(ext_md_wdt_eint.irq_id, ext_md_wdt_eint.intr_flag, irq_cb, 0);
#endif
break;
case 1:
//--- Ext MD wake up irq ------------
#ifdef CONFIG_OF
mt_gpio_set_debounce(ext_md_wk_eint.irq_id, ext_md_wk_eint.debounce_time*1000);
spin_lock_irqsave(&ext_md_wk_eint.lock, flags);
ext_md_wk_eint.eint_cb = irq_cb;
ext_md_wk_eint.irq_reg = 1;
ext_md_wk_eint.irq_en_cnt=1;
spin_unlock_irqrestore(&ext_md_wk_eint.lock, flags);
ret = request_irq(ext_md_wk_eint.irq_id, ext_md_wk_eint_handler, IRQF_TRIGGER_NONE, "emd_wkup-eint", NULL);
if(ret != 0) {
EMD_MSG_INF("chr","emd_wkup-eint register fail\n");
spin_lock_irqsave(&ext_md_wk_eint.lock, flags);
ext_md_wk_eint.eint_cb = NULL;
ext_md_wk_eint.irq_reg = 0;
ext_md_wk_eint.irq_en_cnt=0;
spin_unlock_irqrestore(&ext_md_wk_eint.lock, flags);
}
#else
cm_disable_ext_md_wakeup_irq();
mt_eint_set_hw_debounce(ext_md_wk_eint.irq_id, ext_md_wk_eint.debounce_time);
mt_eint_registration(ext_md_wk_eint.irq_id, ext_md_wk_eint.intr_flag, irq_cb, 0);
#endif
break;
case 2:
//--- Ext MD exception irq ------------
#ifdef CONFIG_OF
mt_gpio_set_debounce(ext_md_exp_eint.irq_id, ext_md_exp_eint.debounce_time*1000);
spin_lock_irqsave(&ext_md_exp_eint.lock, flags);
ext_md_exp_eint.eint_cb = irq_cb;
ext_md_exp_eint.irq_reg = 1;
ext_md_exp_eint.irq_en_cnt=1;
spin_unlock_irqrestore(&ext_md_exp_eint.lock, flags);
ret = request_irq(ext_md_exp_eint.irq_id, ext_md_exp_eint_handler, IRQF_TRIGGER_NONE, "emd_exp-eint", NULL);
if(ret != 0) {
EMD_MSG_INF("chr","emd_exp-eint register fail\n");
spin_lock_irqsave(&ext_md_exp_eint.lock, flags);
ext_md_exp_eint.eint_cb = NULL;
ext_md_exp_eint.irq_reg = 0;
ext_md_exp_eint.irq_en_cnt=0;
spin_unlock_irqrestore(&ext_md_exp_eint.lock, flags);
}
#else
cm_disable_ext_md_exp_irq();
mt_eint_set_hw_debounce(ext_md_exp_eint.irq_id, ext_md_exp_eint.debounce_time);
mt_eint_registration(ext_md_exp_eint.irq_id, ext_md_exp_eint.intr_flag, irq_cb, 0);
#endif
break;
default:
EMD_MSG_INF("chr","No support irq!!\n");
break;
}
return 0;
}
int cm_get_assertlog_status(void)
{
int val;
mt_set_gpio_dir(GPIO_EXT_MD_DUMP, 0);
val = mt_get_gpio_in(GPIO_EXT_MD_DUMP);
EMD_MSG_INF("chr","cm_get_assertlog_status:GPIO_EXT_MD_EXP(in)=%d!\n",val);
return val;
}
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