static long errhandler_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
int rv = 0;
int ret;
if (hidden_reset_enable)
return 0;
switch(cmd) {
case ERRHANDLER_IOCTL_LEVEL2 :
if (BLUE_ERROR_HANDLER_LEVEL <= 1) {
break;
}
case ERRHANDLER_IOCTL_LEVEL1 :
memset(android_buf,0,sizeof(android_buf));
if (copy_from_user(android_buf, (void __user *)arg, sizeof(android_buf))) {
rv = -EFAULT;
goto err1;
}
ret = LGE_ErrorHandler_Main(ANDROID_CRASH, (char *)android_buf);
smsm_reset_modem(ret);
while(1)
;
break;
default:
rv = -EINVAL;
break;
}
err1:
return rv;
}
static int modem_shutdown(const struct subsys_desc *subsys)
{
struct modem_data *drv;
drv = container_of(subsys, struct modem_data, subsys_desc);
/*
* If the modem didn't already crash, setting SMSM_RESET here will help
* flush caches etc. The ignore_smsm_ack flag is set to ignore the
* SMSM_RESET notification that is generated due to the modem settings
* its own SMSM_RESET bit in response to the apps setting the apps
* SMSM_RESET bit.
*/
if (!(smsm_get_state(SMSM_MODEM_STATE) & SMSM_RESET)) {
drv->ignore_smsm_ack = 1;
smsm_reset_modem(SMSM_RESET);
}
/* Disable the modem watchdog to allow clean modem bootup */
writel_relaxed(0x0, drv->wdog + 0x8);
/*
* The write above needs to go through before the modem is powered up
* again.
*/
mb();
/* Wait here to allow the modem to clean up caches, etc. */
msleep(20);
pil_shutdown(&drv->pil_desc);
disable_irq_nosync(drv->irq);
return 0;
}
void modem_crash_shutdown(const struct subsys_desc *subsys)
{
struct q6v4_modem *drv = desc_to_modem(subsys);
drv->crash_shutdown = 1;
smsm_reset_modem(SMSM_RESET);
}
static void modem_crash_shutdown(const struct subsys_desc *subsys)
{
struct modem_data *drv;
/* If modem hasn't already crashed, send SMSM_RESET. */
drv = container_of(subsys, struct modem_data, subsys_desc);
if (!(smsm_get_state(SMSM_MODEM_STATE) & SMSM_RESET)) {
modem_unregister_notifier(&drv->notifier);
smsm_reset_modem(SMSM_RESET);
}
/* Wait to allow the modem to clean up caches etc. */
mdelay(5);
}
static int modem_shutdown(const struct subsys_data *subsys)
{
void __iomem *q6_fw_wdog_addr;
void __iomem *q6_sw_wdog_addr;
int smsm_notif_unregistered = 0;
if (!(smsm_get_state(SMSM_MODEM_STATE) & SMSM_RESET)) {
smsm_state_cb_deregister(SMSM_MODEM_STATE, SMSM_RESET,
smsm_state_cb, 0);
smsm_notif_unregistered = 1;
smsm_reset_modem(SMSM_RESET);
}
/*
* Cancel any pending wdog_check work items, since we're shutting
* down anyway.
*/
cancel_delayed_work(&modem_wdog_check_work);
/*
* Disable the modem watchdog since it keeps running even after the
* modem is shutdown.
*/
q6_fw_wdog_addr = ioremap_nocache(Q6_FW_WDOG_ENABLE, 4);
if (!q6_fw_wdog_addr)
return -ENOMEM;
q6_sw_wdog_addr = ioremap_nocache(Q6_SW_WDOG_ENABLE, 4);
if (!q6_sw_wdog_addr) {
iounmap(q6_fw_wdog_addr);
return -ENOMEM;
}
writel_relaxed(0x0, q6_fw_wdog_addr);
writel_relaxed(0x0, q6_sw_wdog_addr);
mb();
iounmap(q6_sw_wdog_addr);
iounmap(q6_fw_wdog_addr);
pil_force_shutdown("modem");
pil_force_shutdown("modem_fw");
disable_irq_nosync(Q6FW_WDOG_EXPIRED_IRQ);
disable_irq_nosync(Q6SW_WDOG_EXPIRED_IRQ);
if (smsm_notif_unregistered)
smsm_state_cb_register(SMSM_MODEM_STATE, SMSM_RESET,
smsm_state_cb, 0);
return 0;
}
static void modem_crash_shutdown(const struct subsys_desc *subsys)
{
struct modem_data *drv;
drv = container_of(subsys, struct modem_data, subsys_desc);
if (!(smsm_get_state(SMSM_MODEM_STATE) & SMSM_RESET)) {
modem_unregister_notifier(&drv->notifier);
smsm_reset_modem(SMSM_RESET);
}
mdelay(5);
}
int subsys_q6_shutdown(const char * const crashed_subsys)
{
void __iomem *q6_wdog_addr =
ioremap_nocache(Q6SS_WDOG_ENABLE, 8);
send_q6_nmi();
writel_relaxed(0x0, q6_wdog_addr);
/* The write needs to go through before the q6 is shutdown. */
mb();
iounmap(q6_wdog_addr);
pil_force_shutdown("q6");
disable_irq_nosync(LPASS_Q6SS_WDOG_EXPIRED);
if (get_restart_level() == RESET_SUBSYS_MIXED)
smsm_reset_modem(SMSM_RESET);
return 0;
}
static int modem_shutdown(const struct subsys_desc *subsys)
{
struct modem_data *drv;
drv = container_of(subsys, struct modem_data, subsys_desc);
if (!(smsm_get_state(SMSM_MODEM_STATE) & SMSM_RESET)) {
drv->ignore_smsm_ack = 1;
smsm_reset_modem(SMSM_RESET);
}
writel_relaxed(0x0, drv->wdog + 0x8);
mb();
msleep(20);
pil_shutdown(&drv->pil_desc);
disable_irq_nosync(drv->irq);
return 0;
}
void gss_crash_shutdown(const struct subsys_data *subsys)
{
crash_shutdown = 1;
smsm_reset_modem(SMSM_RESET);
}
static ssize_t reset_modem_write(struct file *fp, const char __user *buf,
size_t count, loff_t *pos)
{
unsigned char cmd[64];
int len;
int time;
int zero = 0;
int r;
if (count < 1)
return 0;
len = count > 63 ? 63 : count;
if (copy_from_user(cmd, buf, len))
return -EFAULT;
cmd[len] = 0;
if (cmd[len-1] == '\n') {
cmd[len-1] = 0;
len--;
}
if (!strncmp(cmd, "wait", 4)) {
D(KERN_ERR "INFO:%s:%i:%s: "
"MODEM RESTART: WAIT\n",
__FILE__,
__LINE__,
__func__);
smsm_reset_modem(SMSM_MODEM_WAIT);
} else if (!strncmp(cmd, "continue", 8)) {
D(KERN_ERR "INFO:%s:%i:%s: "
"MODEM RESTART: CONTINUE\n",
__FILE__,
__LINE__,
__func__);
smsm_reset_modem_cont();
} else if (!strncmp(cmd, "download", 8)) {
D(KERN_ERR "INFO:%s:%i:%s: "
"MODEM RESTART: DOWNLOAD\n",
__FILE__,
__LINE__,
__func__);
smsm_reset_modem(SMSM_SYSTEM_DOWNLOAD);
} else if (sscanf(cmd, "deferred reset %i", &time) == 1) {
D(KERN_ERR "INFO:%s:%i:%s: "
"MODEM RESTART: DEFERRED RESET %ims\n",
__FILE__,
__LINE__,
__func__,
time);
if (time == 0) {
r = 0;
msm_proc_comm_reset_modem_now();
} else {
r = msm_proc_comm(PCOM_RESET_MODEM, &time, &zero);
}
if (r < 0)
return r;
} else if (!strncmp(cmd, "deferred reset", 14)) {
D(KERN_ERR "INFO:%s:%i:%s: "
"MODEM RESTART: DEFERRED RESET 0ms\n",
__FILE__,
__LINE__,
__func__);
r = 0;
msm_proc_comm_reset_modem_now();
if (r < 0)
return r;
} else if (!strncmp(cmd, "reset chip now", 14)) {
uint param1 = 0x0;
uint param2 = 0x0;
D(KERN_ERR "INFO:%s:%i:%s: "
"MODEM RESTART: CHIP RESET IMMEDIATE\n",
__FILE__,
__LINE__,
__func__);
r = msm_proc_comm(PCOM_RESET_CHIP_IMM, ¶m1, ¶m2);
if (r < 0)
return r;
} else if (!strncmp(cmd, "reset chip", 10)) {
uint param1 = 0x0;
uint param2 = 0x0;
D(KERN_ERR "INFO:%s:%i:%s: "
"MODEM RESTART: CHIP RESET \n",
__FILE__,
__LINE__,
__func__);
r = msm_proc_comm(PCOM_RESET_CHIP, ¶m1, ¶m2);
if (r < 0)
return r;
} else if (!strncmp(cmd, "reset", 5)) {
printk(KERN_ERR "INFO:%s:%i:%s: "
"MODEM RESTART: RESET\n",
__FILE__,
__LINE__,
__func__);
smsm_reset_modem(SMSM_RESET);
} else
return -EINVAL;
return count;
}
int msm_proc_comm(unsigned cmd, unsigned *data1, unsigned *data2)
{
unsigned base = (unsigned)MSM_SHARED_RAM_BASE;
unsigned long flags;
int ret;
spin_lock_irqsave(&proc_comm_lock, flags);
#ifdef CONFIG_LGE_BLUE_ERROR_HANDLER
if (proc_comm_wait_for(base + MDM_STATUS, PCOM_READY))
goto crash;
#else
if (msm_proc_comm_disable) {
ret = -EIO;
goto end;
}
again:
if (proc_comm_wait_for(base + MDM_STATUS, PCOM_READY))
goto again;
#endif
writel(cmd, base + APP_COMMAND);
writel(data1 ? *data1 : 0, base + APP_DATA1);
writel(data2 ? *data2 : 0, base + APP_DATA2);
/* Make sure the writes complete before notifying the other side */
dsb();
notify_other_proc_comm();
if (proc_comm_wait_for(base + APP_COMMAND, PCOM_CMD_DONE))
#ifdef CONFIG_LGE_BLUE_ERROR_HANDLER
goto crash;
#else
goto again;
#endif
if (readl(base + APP_STATUS) == PCOM_CMD_SUCCESS) {
if (data1)
*data1 = readl(base + APP_DATA1);
if (data2)
*data2 = readl(base + APP_DATA2);
ret = 0;
} else {
ret = -EIO;
}
writel(PCOM_CMD_IDLE, base + APP_COMMAND);
switch (cmd) {
case PCOM_RESET_CHIP:
case PCOM_RESET_CHIP_IMM:
case PCOM_RESET_APPS:
msm_proc_comm_disable = 1;
printk(KERN_ERR "msm: proc_comm: proc comm disabled\n");
break;
}
end:
/* Make sure the writes complete before returning */
dsb();
spin_unlock_irqrestore(&proc_comm_lock, flags);
return ret;
#ifdef CONFIG_LGE_BLUE_ERROR_HANDLER
/* LGE_CHANGE_S [[email protected]] 2009-07-06 <For Error Handler > */
crash:
{
extern char * error_modem_message ;
extern int LG_ErrorHandler_enable;
// extern int get_status_hidden_reset();
int ret;
spin_unlock_irqrestore(&proc_comm_lock, flags);
if (LG_ErrorHandler_enable) // check using proc_comm after arm9 crash
return 0;
// if(get_status_hidden_reset()==0 ) {
ret = LGE_ErrorHandler_Main(MODEM_CRASH, error_modem_message);
smsm_reset_modem(ret);
// } else {
// smsm_reset_modem(SMSM_SYSTEM_REBOOT);
// }
while(1)
;
}
/* LGE_CHANGE_E [[email protected]] 2009-07-06 <For Error Handler > */
#endif
}
void modem_crash_shutdown(const struct subsys_desc *subsys)
{
crash_shutdown = 1;
smsm_reset_modem(SMSM_RESET);
}
int msm_proc_comm(unsigned cmd, unsigned *data1, unsigned *data2)
{
unsigned base = (unsigned)MSM_SHARED_RAM_BASE;
unsigned long flags;
int ret;
spin_lock_irqsave(&proc_comm_lock, flags);
//LGE_CHANGE_S [[email protected]] 2009-04-01 <For Error Handler>
/* again :*/
if (proc_comm_wait_for(base + MDM_STATUS, PCOM_READY)) {
goto crash;
}
//LGE_CHANGE_E [[email protected]] 2009-04-01 <For Error Handler>
writel(cmd, base + APP_COMMAND);
writel(data1 ? *data1 : 0, base + APP_DATA1);
writel(data2 ? *data2 : 0, base + APP_DATA2);
notify_other_proc_comm();
//LGE_CHANGE_S [[email protected]] 2009-04-01 <For Error Handler>
if (proc_comm_wait_for(base + APP_COMMAND, PCOM_CMD_DONE)) {
goto crash;
}
//LGE_CHANGE_E [[email protected]] 2009-04-01 <For Error Handler>
if (readl(base + APP_STATUS) == PCOM_CMD_SUCCESS) {
if (data1)
*data1 = readl(base + APP_DATA1);
if (data2)
*data2 = readl(base + APP_DATA2);
ret = 0;
} else {
ret = -EIO;
}
writel(PCOM_CMD_IDLE, base + APP_COMMAND);
spin_unlock_irqrestore(&proc_comm_lock, flags);
return ret;
/* LGE_CHANGE_S [[email protected]] 2009-07-06 <For Error Handler > */
crash:
{
extern char * error_modem_message ;
extern int LG_ErrorHandler_enable;
// extern int get_status_hidden_reset();
int ret;
spin_unlock_irqrestore(&proc_comm_lock, flags);
if (LG_ErrorHandler_enable) // check using proc_comm after arm9 crash
return 0;
// if(get_status_hidden_reset()==0 ) {
ret = LGE_ErrorHandler_Main(MODEM_CRASH, error_modem_message);
smsm_reset_modem(ret);
// } else {
// smsm_reset_modem(SMSM_SYSTEM_REBOOT);
// }
while(1)
;
}
/* LGE_CHANGE_E [[email protected]] 2009-07-06 <For Error Handler > */
}
static ssize_t reset_modem_write(struct file *fp, const char __user *buf,
size_t count, loff_t *pos)
{
unsigned char cmd[64];
int len;
int time;
int zero = 0;
int r;
if (count < 1)
return 0;
len = count > 63 ? 63 : count;
if (copy_from_user(cmd, buf, len))
return -EFAULT;
cmd[len] = 0;
/* lazy */
if (cmd[len-1] == '\n') {
cmd[len-1] = 0;
len--;
}
if (!strncmp(cmd, "wait", 4)) {
D(KERN_ERR "INFO:%s:%i:%s: "
"MODEM RESTART: WAIT\n",
__FILE__,
__LINE__,
__func__);
smsm_reset_modem(SMSM_MODEM_WAIT);
} else if (!strncmp(cmd, "continue", 8)) {
D(KERN_ERR "INFO:%s:%i:%s: "
"MODEM RESTART: CONTINUE\n",
__FILE__,
__LINE__,
__func__);
smsm_reset_modem_cont();
} else if (!strncmp(cmd, "download", 8)) {
D(KERN_ERR "INFO:%s:%i:%s: "
"MODEM RESTART: DOWNLOAD\n",
__FILE__,
__LINE__,
__func__);
smsm_reset_modem(SMSM_SYSTEM_DOWNLOAD);
} else if (sscanf(cmd, "deferred reset %i", &time) == 1) {
D(KERN_ERR "INFO:%s:%i:%s: "
"MODEM RESTART: DEFERRED RESET %ims\n",
__FILE__,
__LINE__,
__func__,
time);
if (time == 0) {
r = 0;
msm_proc_comm_reset_modem_now();
} else {
r = msm_proc_comm(PCOM_RESET_MODEM, &time, &zero);
}
if (r < 0)
return r;
} else if (!strncmp(cmd, "deferred reset", 14)) {
D(KERN_ERR "INFO:%s:%i:%s: "
"MODEM RESTART: DEFERRED RESET 0ms\n",
__FILE__,
__LINE__,
__func__);
r = 0;
msm_proc_comm_reset_modem_now();
if (r < 0)
return r;
} else if (!strncmp(cmd, "reset chip now", 14)) {
#ifndef CONFIG_SW_RESET
uint param1 = 0x0;
uint param2 = 0x0;
#endif
D(KERN_ERR "INFO:%s:%i:%s: "
"MODEM RESTART: CHIP RESET IMMEDIATE\n",
__FILE__,
__LINE__,
__func__);
#if defined(CONFIG_SW_RESET)
r = sky_sys_rst_UserReset_imm(NULL);
#else
r = msm_proc_comm(PCOM_RESET_CHIP_IMM, ¶m1, ¶m2);
#endif
if (r < 0)
return r;
} else if (!strncmp(cmd, "reset chip", 10)) {
#ifndef CONFIG_SW_RESET
uint param1 = 0x0;
uint param2 = 0x0;
#endif
D(KERN_ERR "INFO:%s:%i:%s: "
"MODEM RESTART: CHIP RESET \n",
__FILE__,
__LINE__,
__func__);
#if defined(CONFIG_SW_RESET)
r = sky_sys_rst_UserReset(NULL);
#else
r = msm_proc_comm(PCOM_RESET_CHIP, ¶m1, ¶m2);
#endif
if (r < 0)
return r;
#if defined(CONFIG_SW_RESET)
} else if (!strncmp(cmd, "reset sw now", 12)) {
D(KERN_ERR "INFO:%s:%i:%s: "
"MODEM SW RESTART: CHIP RESET IMMEDIATE\n",
__FILE__,
__LINE__,
__func__);
r = sky_sys_rst_SwReset_imm(NULL);
if (r < 0)
{
D(KERN_ERR "ERROR: sky_sys_rst_SwReset_imm failed: %d\n", r);
return r;
}
} else if (!strncmp(cmd, "reset sw exception", 8)) {
D(KERN_ERR "INFO:%s:%i:%s: "
"MODEM SW RESTART: CHIP EXCEPTION \n",
__FILE__,
__LINE__,
__func__);
BUG();
return 0;
#endif
} else if (!strncmp(cmd, "reset", 5)) {
printk(KERN_ERR "INFO:%s:%i:%s: "
"MODEM RESTART: RESET\n",
__FILE__,
__LINE__,
__func__);
smsm_reset_modem(SMSM_RESET);
}
#ifdef FEATURE_SKY_CHG_LOGO
else if(!strncmp(cmd,"powerdown",9)) {
printk(KERN_ERR "INFO:%s:%i:%s: "
"MODEM POWER DOWN: OFF\n",
__FILE__,
__LINE__,
__func__);
r = msm_proc_comm(PCOM_POWER_DOWN, 0,0);
if (r < 0)
return r;
for(;;)
;
}
#endif
else
return -EINVAL;
return count;
}
int LGE_ErrorHandler_Main( int crash_side, char * message)
{
ram_console_setpanic();
if (hidden_reset_enable) {
if (crash_side == MODEM_CRASH) {
unsigned *temp;
printk(KERN_INFO"%s: arm9 has crashed...\n",__func__);
printk(KERN_INFO"%s\n", message);
atomic_notifier_call_chain(&panic_notifier_list, 0, "arm9 has crashed...\n");
temp = lge_get_fb_copy_virt_addr();
*temp = 0x12345678;
printk(KERN_INFO"%s: hidden magic %x\n",__func__, temp[0]);
return SMSM_SYSTEM_REBOOT;
}
return 0;
}
if(BLUE_ERROR_HANDLER_LEVEL != 0) {
if (get_suspend_state() != PM_SUSPEND_ON) {
lcd_suspend = 0;
}
switch(crash_side) {
case MODEM_CRASH:
case APPL_CRASH:
case ANDROID_CRASH:
if(!LG_ErrorHandler_enable) {
LG_ErrorHandler_enable = 1;
raw_local_irq_enable();
if (message != NULL)
display_info_LCD(crash_side, message);
}
break;
case ANDROID_DISPLAY_INFO :
if (message != NULL)
display_info_LCD(crash_side, message);
return 0;
default :
break;
}
}
raw_local_irq_disable();
preempt_disable();
smsm_reset_modem(SMSM_APPS_SHUTDOWN);
if(BLUE_ERROR_HANDLER_LEVEL == 0) {
mdelay(100);
return SMSM_SYSTEM_REBOOT;
}
while(1)
{
gpio_set_value(36,0);
gpio_set_value(32,1);
gpio_set_value(33,1);
if(gpio_get_value(38)==0) {
printk("Pressed Volume up key\n");
return SMSM_SYSTEM_DOWNLOAD;
} else if(gpio_get_value(37) ==0 ) {
printk("Pressed Volume down key\n");
return SMSM_SYSTEM_REBOOT;
}
mdelay(200);
;
}
}
