void set_hsic_lpa_states(int states)
{
int val = gpio_get_value(umts_modem_data.gpio_cp_reset);
struct modemlink_pm_data *pm_data = &umts_link_pm_data;
mif_trace("\n");
if (val) {
switch (states) {
case STATE_HSIC_LPA_ENTER:
mif_info("lpa_enter\n");
/* gpio_link_active == gpio_host_active in C1 */
gpio_set_value(umts_modem_data.gpio_host_active, 0);
mif_info("> H-ACT %d\n", 0);
if (pm_data->hub_standby && pm_data->hub_pm_data)
pm_data->hub_standby(pm_data->hub_pm_data);
break;
case STATE_HSIC_LPA_WAKE:
mif_info("lpa_wake\n");
gpio_set_value(umts_modem_data.gpio_host_active, 1);
mif_info("> H-ACT %d\n", 1);
break;
case STATE_HSIC_LPA_PHY_INIT:
mif_info("lpa_phy_init\n");
if (!modem_using_hub() && active_ctl.gpio_initialized)
set_slave_wake();
break;
}
}
}
void set_hsic_lpa_states(int states)
{
int val = gpio_get_value(umts_modem_data.gpio_cp_reset);
mif_trace("\n");
if (val) {
switch (states) {
case STATE_HSIC_LPA_ENTER:
gpio_set_value(modem_link_pm_data.gpio_link_active, 0);
gpio_set_value(umts_modem_data.gpio_pda_active, 0);
mif_info("enter: active state(%d), pda active(%d)\n",
gpio_get_value(
modem_link_pm_data.gpio_link_active),
gpio_get_value(umts_modem_data.gpio_pda_active)
);
break;
case STATE_HSIC_LPA_WAKE:
gpio_set_value(umts_modem_data.gpio_pda_active, 1);
mif_info("wake: pda active(%d)\n",
gpio_get_value(umts_modem_data.gpio_pda_active)
);
break;
case STATE_HSIC_LPA_PHY_INIT:
gpio_set_value(umts_modem_data.gpio_pda_active, 1);
break;
}
}
}
void set_hsic_lpa_states(int states)
{
int val = gpio_get_value(umts_modem_data.gpio_cp_reset);
mif_trace("\n");
if (val) {
switch (states) {
case STATE_HSIC_LPA_ENTER:
gpio_set_value(modem_link_pm_data.gpio_link_active, 0);
gpio_set_value(umts_modem_data.gpio_pda_active, 0);
pr_info(LOG_TAG "set hsic lpa enter: "
"active state (%d)" ", pda active (%d)\n",
gpio_get_value(
modem_link_pm_data.gpio_link_active),
gpio_get_value(umts_modem_data.gpio_pda_active)
);
break;
case STATE_HSIC_LPA_WAKE:
gpio_set_value(umts_modem_data.gpio_pda_active, 1);
pr_info(LOG_TAG "set hsic lpa wake: "
"pda active (%d)\n",
gpio_get_value(umts_modem_data.gpio_pda_active)
);
break;
case STATE_HSIC_LPA_PHY_INIT:
gpio_set_value(umts_modem_data.gpio_pda_active, 1);
gpio_set_value(modem_link_pm_data.gpio_link_slavewake,
1);
pr_info(LOG_TAG "set hsic lpa phy init: "
"slave wake-up (%d)\n",
gpio_get_value(
modem_link_pm_data.gpio_link_slavewake)
);
break;
}
}
}
static void link_pm_hub_work(struct work_struct *work)
{
int err, cnt;
struct link_pm_data *pm_data =
container_of(work, struct link_pm_data, link_pm_hub.work);
if (pm_data->hub_status == HUB_STATE_ACTIVE) {
end_hub_work(pm_data);
during_hub_resume = 0;
return;
}
if (!pm_data->port_enable) {
mif_err("mif: hub power func not assinged\n");
end_hub_work(pm_data);
return;
}
/* If kernel if suspend, wait the ehci resume */
if (pm_data->dpm_suspending) {
mif_info("dpm_suspending\n");
start_hub_work(pm_data, 500);
return;
}
switch (pm_data->hub_status) {
case HUB_STATE_OFF:
pm_data->hub_status = HUB_STATE_RESUMMING;
mif_trace("hub off->on\n");
/* skip 1st time before first probe */
if (pm_data->root_hub)
pm_runtime_get_sync(pm_data->root_hub);
for (cnt=0;cnt<5;cnt++) {
err = pm_data->port_enable(2, 1);
if (err >= 0) {
mif_err("hub on success\n");
break;
}
mif_err("hub on fail %d th\n", cnt);
msleep(100);
}
if (err < 0) {
mif_err("hub on fail err=%d\n", err);
err = pm_data->port_enable(2, 0);
if (err < 0)
mif_err("hub off fail err=%d\n", err);
pm_data->hub_status = HUB_STATE_OFF;
if (pm_data->root_hub)
pm_runtime_put_sync(pm_data->root_hub);
end_hub_work(pm_data);
} else {
/* resume root hub */
start_hub_work(pm_data, 100);
}
break;
case HUB_STATE_RESUMMING:
if (pm_data->hub_on_retry_cnt++ > 50) {
pm_data->hub_on_retry_cnt = 0;
pm_data->hub_status = HUB_STATE_OFF;
if (pm_data->root_hub)
pm_runtime_put_sync(pm_data->root_hub);
mif_err("USB Hub resume fail !!!\n");
end_hub_work(pm_data);
} else {
mif_info("hub resumming: %d\n",
pm_data->hub_on_retry_cnt);
start_hub_work(pm_data, 200);
}
break;
}
exit:
return;
}
static void link_pm_hub_work(struct work_struct *work)
{
int err;
struct link_pm_data *pm_data =
container_of(work, struct link_pm_data, link_pm_hub.work);
if (pm_data->hub_status == HUB_STATE_ACTIVE)
return;
if (!pm_data->port_enable) {
mif_err("mif: hub power func not assinged\n");
return;
}
wake_lock(&pm_data->hub_lock);
/* If kernel if suspend, wait the ehci resume */
if (pm_data->dpm_suspending) {
mif_info("dpm_suspending\n");
schedule_delayed_work(&pm_data->link_pm_hub,
msecs_to_jiffies(500));
goto exit;
}
switch (pm_data->hub_status) {
case HUB_STATE_OFF:
pm_data->hub_status = HUB_STATE_RESUMMING;
mif_trace("hub off->on\n");
/* skip 1st time before first probe */
if (pm_data->root_hub)
pm_runtime_get_sync(pm_data->root_hub);
err = pm_data->port_enable(2, 1);
if (err < 0) {
mif_err("hub on fail err=%d\n", err);
err = pm_data->port_enable(2, 0);
if (err < 0)
mif_err("hub off fail err=%d\n", err);
pm_data->hub_status = HUB_STATE_OFF;
if (pm_data->root_hub)
pm_runtime_put_sync(pm_data->root_hub);
goto exit;
}
/* resume root hub */
schedule_delayed_work(&pm_data->link_pm_hub,
msecs_to_jiffies(100));
break;
case HUB_STATE_RESUMMING:
if (pm_data->hub_on_retry_cnt++ > 50) {
pm_data->hub_on_retry_cnt = 0;
pm_data->hub_status = HUB_STATE_OFF;
if (pm_data->root_hub)
pm_runtime_put_sync(pm_data->root_hub);
}
mif_trace("hub resumming\n");
schedule_delayed_work(&pm_data->link_pm_hub,
msecs_to_jiffies(200));
break;
case HUB_STATE_PREACTIVE:
pm_data->hub_status = HUB_STATE_ACTIVE;
mif_trace("hub active\n");
pm_data->hub_on_retry_cnt = 0;
wake_unlock(&pm_data->hub_lock);
complete(&pm_data->hub_active);
if (pm_data->root_hub)
pm_runtime_put_sync(pm_data->root_hub);
break;
}
exit:
return;
}