/* * 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); } }