void baseband_xmm_set_power_status(unsigned int status)
{
struct baseband_power_platform_data *data = baseband_power_driver_data;
int value = 0;
unsigned long flags;
pr_debug("%s\n", __func__);
if (baseband_xmm_powerstate == status)
return;
switch (status) {
case BBXMM_PS_L0:
/*if (modem_sleep_flag) {
pr_info("%s Resume from L3 without calling resume"
"function\n", __func__);
baseband_xmm_power_driver_handle_resume(data);
}*/
pr_info("L0\n");
value = gpio_get_value(data->modem.xmm.ipc_hsic_active);
pr_debug("before L0 ipc_hsic_active=%d\n", value);
if (!value) {
pr_debug("before L0 gpio set ipc_hsic_active=1 ->\n");
gpio_set_value(data->modem.xmm.ipc_hsic_active, 1);
}
if (modem_power_on) {
modem_power_on = false;
baseband_modem_power_on(data);
}
if (!wake_lock_active(&wakelock))
wake_lock(&wakelock);
pr_debug("gpio host active high->\n");
break;
case BBXMM_PS_L2:
pr_info("L2\n");
wake_unlock(&wakelock);
modem_sleep_flag = true;
break;
case BBXMM_PS_L3:
if (baseband_xmm_powerstate == BBXMM_PS_L2TOL0) {
if (!gpio_get_value(data->modem.xmm.ipc_ap_wake)) {
spin_lock_irqsave(&xmm_lock, flags);
wakeup_pending = true;
spin_unlock_irqrestore(&xmm_lock, flags);
pr_info("%s: L2 race condition-CP wakeup"
" pending\n", __func__);
}
}
pr_info("L3\n");
if (wake_lock_active(&wakelock)) {
pr_info("%s: releasing wakelock before L3\n",
__func__);
wake_unlock(&wakelock);
}
if (register_hsic_device != true && wakeup_pending == false) {
gpio_set_value(data->modem.xmm.ipc_hsic_active, 0);
pr_debug("gpio host active low->\n");
}
break;
case BBXMM_PS_L2TOL0:
/* do this only from L2 state */
if (baseband_xmm_powerstate == BBXMM_PS_L2) {
baseband_xmm_powerstate = status;
pr_debug("BB XMM POWER STATE = %d\n", status);
baseband_xmm_power_L2_resume();
} else
goto exit_without_state_change;
default:
break;
}
baseband_xmm_powerstate = status;
pr_debug("BB XMM POWER STATE = %d\n", status);
return;
exit_without_state_change:
pr_info("BB XMM POWER STATE = %d (not change to %d)\n",
baseband_xmm_powerstate, status);
return;
}
void baseband_xmm_set_power_status(unsigned int status)
{
struct baseband_power_platform_data *data = baseband_power_driver_data;
int value = 0;
unsigned long flags;
pr_debug("%s\n", __func__);
if (baseband_xmm_powerstate == status)
return;
switch (status) {
case BBXMM_PS_L0:
if (modem_sleep_flag) {
pr_info("%s Resume from L3 without calling resume"
"function\n", __func__);
baseband_xmm_power_driver_handle_resume(data);
}
pr_info("L0\n");
value = gpio_get_value(data->modem.xmm.ipc_hsic_active);
pr_debug("before L0 ipc_hsic_active=%d\n", value);
if (!value) {
pr_debug("before L0 gpio set ipc_hsic_active=1 ->\n");
gpio_set_value(data->modem.xmm.ipc_hsic_active, 1);
}
if (modem_power_on) {
modem_power_on = false;
baseband_modem_power_on(data);
}
if (!wake_lock_active(&wakelock))
wake_lock(&wakelock);
pr_debug("gpio host active high->\n");
break;
case BBXMM_PS_L2:
pr_info("L2\n");
wake_unlock(&wakelock);
modem_sleep_flag = true;
break;
case BBXMM_PS_L3:
if (baseband_xmm_powerstate == BBXMM_PS_L2TOL0) {
if (!data->modem.xmm.ipc_ap_wake) {
spin_lock_irqsave(&xmm_lock, flags);
wakeup_pending = true;
spin_unlock_irqrestore(&xmm_lock, flags);
pr_info("%s: L2 race condition-CP wakeup"
" pending\n", __func__);
}
}
pr_info("L3\n");
if (wake_lock_active(&wakelock)) {
pr_info("%s: releasing wakelock before L3\n",
__func__);
wake_unlock(&wakelock);
}
gpio_set_value(data->modem.xmm.ipc_hsic_active, 0);
/* do this only from L2 state (going to suspend) */
if (baseband_xmm_powerstate == BBXMM_PS_L2)
tegra_baseband_rail_off();
pr_debug("gpio host active low->\n");
break;
case BBXMM_PS_L2TOL0:
/* do this only from L2 state */
if (baseband_xmm_powerstate == BBXMM_PS_L2) {
baseband_xmm_powerstate = status;
pr_debug("BB XMM POWER STATE = %d\n", status);
baseband_xmm_power_L2_resume();
}
break;
case BBXMM_PS_L3TOL0:
/* poweron rail for L3 -> L0 (system resume) */
pr_debug("BB XMM L3 -> L0, turning on power rail.\n");
tegra_baseband_rail_on();
break;
default:
break;
}
baseband_xmm_powerstate = status;
pr_debug("BB XMM POWER STATE = %d\n", status);
}
void baseband_xmm_set_power_status(unsigned int status)
{
struct baseband_power_platform_data *data = baseband_power_driver_data;
int value = 0;
unsigned long flags;
pr_debug("%s n(%d),o(%d)\n", __func__, status, baseband_xmm_powerstate );
if (baseband_xmm_powerstate == status)
return;
switch (status) {
case BBXMM_PS_L0:
if (modem_sleep_flag) {
pr_debug("%s Resume from L3 without calling resume" "function\n", __func__);
baseband_xmm_power_driver_handle_resume(data);
}
pr_debug("PM_ST : L0\n");
baseband_xmm_powerstate = status;
if (!wake_lock_active(&wakelock))
wake_lock(&wakelock);
value = gpio_get_value(data->modem.xmm.ipc_hsic_active);
//pr_debug("GPIO [R]: before L0 Host_active = %d \n", value);
if (!value) {
gpio_set_value(data->modem.xmm.ipc_hsic_active, 1);
pr_debug("GPIO [W]: L0 Host_active -> 1 \n");
}
if (modem_power_on) {
modem_power_on = false;
baseband_modem_power_on(data);
}
pr_debug("gpio host active high->\n");
break;
case BBXMM_PS_L2:
pr_debug("PM_ST : L2\n");
baseband_xmm_powerstate = status;
spin_lock_irqsave(&xmm_lock, flags);
if (wakeup_pending) {
spin_unlock_irqrestore(&xmm_lock, flags);
baseband_xmm_power_L2_resume();
} else {
spin_unlock_irqrestore(&xmm_lock, flags);
if (wake_lock_active(&wakelock))
wake_unlock(&wakelock);
modem_sleep_flag = true;
}
if (short_autosuspend && enable_short_autosuspend && &usbdev->dev) {
pr_debug("autosuspend delay %d ms, disable short_autosuspend\n",DEFAULT_AUTOSUSPEND_DELAY);
queue_work(workqueue_susp, &work_defaultsusp);
short_autosuspend = false;
}
break;
case BBXMM_PS_L3:
if (baseband_xmm_powerstate == BBXMM_PS_L2TOL0) {
if (!gpio_get_value(data->modem.xmm.ipc_ap_wake)) {
spin_lock_irqsave(&xmm_lock, flags);
wakeup_pending = true;
spin_unlock_irqrestore(&xmm_lock, flags);
pr_info("%s: L2 race condition-CP wakeup"
" pending\n", __func__);
}
}
pr_info("L3\n");
if (wake_lock_active(&wakelock)) {
pr_debug("%s: releasing wakelock before L3\n", __func__);
wake_unlock(&wakelock);
}
if (wakeup_pending == false) {
gpio_set_value(data->modem.xmm.ipc_hsic_active, 0);
pr_debug("gpio host active low->\n");
}
break;
case BBXMM_PS_L2TOL0:
spin_lock_irqsave(&xmm_lock, flags);
system_suspending = false;
wakeup_pending = false;
spin_unlock_irqrestore(&xmm_lock, flags);
/* do this only from L2 state */
if (baseband_xmm_powerstate == BBXMM_PS_L2) {
baseband_xmm_powerstate = status;
pr_debug("BB XMM POWER STATE = %d\n", status);
baseband_xmm_power_L2_resume();
}
baseband_xmm_powerstate = status;
break;
default:
baseband_xmm_powerstate = status;
break;
}
pr_debug("BB XMM POWER STATE = %s(%d)\n", pwrstate_cmt[status], status);
}
