/*
* power control
*/
static void usbhsc_power_ctrl(struct usbhs_priv *priv, int enable)
{
struct platform_device *pdev = usbhs_priv_to_pdev(priv);
struct device *dev = usbhs_priv_to_dev(priv);
if (enable) {
/* enable PM */
pm_runtime_get_sync(dev);
/* enable platform power */
usbhs_platform_call(priv, power_ctrl, pdev, priv->base, enable);
/* USB on */
usbhs_sys_clock_ctrl(priv, enable);
} else {
/* USB off */
usbhs_sys_clock_ctrl(priv, enable);
/* disable platform power */
usbhs_platform_call(priv, power_ctrl, pdev, priv->base, enable);
/* disable PM */
pm_runtime_put_sync(dev);
}
}
static int usbhsm_autonomy_irq_vbus(struct usbhs_priv *priv,
struct usbhs_irq_state *irq_state)
{
struct platform_device *pdev = usbhs_priv_to_pdev(priv);
return usbhsc_drvcllbck_notify_hotplug(pdev);
}
static int usbhsm_autonomy_irq_vbus(struct usbhs_priv *priv,
struct usbhs_irq_state *irq_state)
{
struct platform_device *pdev = usbhs_priv_to_pdev(priv);
renesas_usbhs_call_notify_hotplug(pdev);
return 0;
}
/*
* hotplug
*/
static void usbhsc_hotplug(struct usbhs_priv *priv)
{
struct platform_device *pdev = usbhs_priv_to_pdev(priv);
struct usbhs_mod *mod = usbhs_mod_get_current(priv);
int id;
int enable;
int ret;
/*
* get vbus status from platform
*/
enable = usbhs_platform_call(priv, get_vbus, pdev);
/*
* get id from platform
*/
id = usbhs_platform_call(priv, get_id, pdev);
if (enable && !mod) {
ret = usbhs_mod_change(priv, id);
if (ret < 0)
return;
dev_dbg(&pdev->dev, "%s enable\n", __func__);
/* power on */
if (usbhsc_flags_has(priv, USBHSF_RUNTIME_PWCTRL))
usbhsc_power_ctrl(priv, enable);
/* bus init */
usbhsc_set_buswait(priv);
usbhsc_bus_init(priv);
/* module start */
usbhs_mod_call(priv, start, priv);
} else if (!enable && mod) {
dev_dbg(&pdev->dev, "%s disable\n", __func__);
/* module stop */
usbhs_mod_call(priv, stop, priv);
/* bus init */
usbhsc_bus_init(priv);
/* power off */
if (usbhsc_flags_has(priv, USBHSF_RUNTIME_PWCTRL))
usbhsc_power_ctrl(priv, enable);
usbhs_mod_change(priv, -1);
/* reset phy for next connection */
usbhs_platform_call(priv, phy_reset, pdev);
}
}
static int usbhsg_vbus_session(struct usb_gadget *gadget, int is_active)
{
struct usbhsg_gpriv *gpriv = usbhsg_gadget_to_gpriv(gadget);
struct usbhs_priv *priv = usbhsg_gpriv_to_priv(gpriv);
struct platform_device *pdev = usbhs_priv_to_pdev(priv);
gpriv->vbus_active = !!is_active;
renesas_usbhs_call_notify_hotplug(pdev);
return 0;
}
static int usbhsc_resume(struct device *dev)
{
struct usbhs_priv *priv = dev_get_drvdata(dev);
struct platform_device *pdev = usbhs_priv_to_pdev(priv);
if (!usbhsc_flags_has(priv, USBHSF_RUNTIME_PWCTRL))
usbhsc_power_ctrl(priv, 1);
usbhs_platform_call(priv, phy_reset, pdev);
usbhsc_drvcllbck_notify_hotplug(pdev);
return 0;
}
int usbhs_vbus_ctrl(struct usbhs_priv *priv, int enable)
{
struct platform_device *pdev = usbhs_priv_to_pdev(priv);
return usbhs_platform_call(priv, set_vbus, pdev, enable);
}
/*
* hotplug
*/
static void usbhsc_hotplug(struct usbhs_priv *priv)
{
struct platform_device *pdev = usbhs_priv_to_pdev(priv);
struct usbhs_mod *mod = usbhs_mod_get_current(priv);
int id;
int enable;
int cable;
int ret;
/*
* get vbus status from platform
*/
enable = usbhs_platform_call(priv, get_vbus, pdev);
/*
* get id from platform
*/
id = usbhs_platform_call(priv, get_id, pdev);
if (enable && !mod) {
if (priv->edev) {
cable = extcon_get_cable_state(priv->edev, "USB-HOST");
if ((cable > 0 && id != USBHS_HOST) ||
(!cable && id != USBHS_GADGET)) {
dev_info(&pdev->dev,
"USB cable plugged in doesn't match the selected role!\n");
return;
}
}
ret = usbhs_mod_change(priv, id);
if (ret < 0)
return;
dev_dbg(&pdev->dev, "%s enable\n", __func__);
/* power on */
if (usbhsc_flags_has(priv, USBHSF_RUNTIME_PWCTRL))
usbhsc_power_ctrl(priv, enable);
/* bus init */
usbhsc_set_buswait(priv);
usbhsc_bus_init(priv);
/* module start */
usbhs_mod_call(priv, start, priv);
} else if (!enable && mod) {
dev_dbg(&pdev->dev, "%s disable\n", __func__);
/* module stop */
usbhs_mod_call(priv, stop, priv);
/* bus init */
usbhsc_bus_init(priv);
/* power off */
if (usbhsc_flags_has(priv, USBHSF_RUNTIME_PWCTRL))
usbhsc_power_ctrl(priv, enable);
usbhs_mod_change(priv, -1);
/* reset phy for next connection */
usbhs_platform_call(priv, phy_reset, pdev);
}
}
