Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / usb / renesas_usbhs / mod.h

diff --git a/kernel/drivers/usb/renesas_usbhs/mod.h b/kernel/drivers/usb/renesas_usbhs/mod.h
new file mode 100644 (file)
index 0000000..1ef5bf6
--- /dev/null
+++ b/kernel/drivers/usb/renesas_usbhs/mod.h
@@ -0,0 +1,172 @@
+/*
+ * Renesas USB driver
+ *
+ * Copyright (C) 2011 Renesas Solutions Corp.
+ * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+#ifndef RENESAS_USB_MOD_H
+#define RENESAS_USB_MOD_H
+
+#include <linux/spinlock.h>
+#include <linux/usb/renesas_usbhs.h>
+#include "common.h"
+
+/*
+ *     struct
+ */
+struct usbhs_irq_state {
+       u16 intsts0;
+       u16 intsts1;
+       u16 brdysts;
+       u16 nrdysts;
+       u16 bempsts;
+};
+
+struct usbhs_mod {
+       char *name;
+
+       /*
+        * entry point from common.c
+        */
+       int (*start)(struct usbhs_priv *priv);
+       int (*stop)(struct usbhs_priv *priv);
+
+       /*
+        * INTSTS0
+        */
+
+       /* DVST (DVSQ) */
+       int (*irq_dev_state)(struct usbhs_priv *priv,
+                            struct usbhs_irq_state *irq_state);
+
+       /* CTRT (CTSQ) */
+       int (*irq_ctrl_stage)(struct usbhs_priv *priv,
+                             struct usbhs_irq_state *irq_state);
+
+       /* BEMP / BEMPSTS */
+       int (*irq_empty)(struct usbhs_priv *priv,
+                        struct usbhs_irq_state *irq_state);
+       u16 irq_bempsts;
+
+       /* BRDY / BRDYSTS */
+       int (*irq_ready)(struct usbhs_priv *priv,
+                        struct usbhs_irq_state *irq_state);
+       u16 irq_brdysts;
+
+       /*
+        * INTSTS1
+        */
+
+       /* ATTCHE */
+       int (*irq_attch)(struct usbhs_priv *priv,
+                        struct usbhs_irq_state *irq_state);
+
+       /* DTCHE */
+       int (*irq_dtch)(struct usbhs_priv *priv,
+                       struct usbhs_irq_state *irq_state);
+
+       /* SIGN */
+       int (*irq_sign)(struct usbhs_priv *priv,
+                       struct usbhs_irq_state *irq_state);
+
+       /* SACK */
+       int (*irq_sack)(struct usbhs_priv *priv,
+                       struct usbhs_irq_state *irq_state);
+
+       struct usbhs_priv *priv;
+};
+
+struct usbhs_mod_info {
+       struct usbhs_mod *mod[USBHS_MAX];
+       struct usbhs_mod *curt; /* current mod */
+
+       /*
+        * INTSTS0 :: VBINT
+        *
+        * This function will be used as autonomy mode
+        * when platform cannot call notify_hotplug.
+        *
+        * This callback cannot be member of "struct usbhs_mod"
+        * because it will be used even though
+        * host/gadget has not been selected.
+        */
+       int (*irq_vbus)(struct usbhs_priv *priv,
+                       struct usbhs_irq_state *irq_state);
+};
+
+/*
+ *             for host/gadget module
+ */
+struct usbhs_mod *usbhs_mod_get(struct usbhs_priv *priv, int id);
+struct usbhs_mod *usbhs_mod_get_current(struct usbhs_priv *priv);
+void usbhs_mod_register(struct usbhs_priv *priv, struct usbhs_mod *usb, int id);
+int usbhs_mod_is_host(struct usbhs_priv *priv);
+int usbhs_mod_change(struct usbhs_priv *priv, int id);
+int usbhs_mod_probe(struct usbhs_priv *priv);
+void usbhs_mod_remove(struct usbhs_priv *priv);
+
+void usbhs_mod_autonomy_mode(struct usbhs_priv *priv);
+
+/*
+ *             status functions
+ */
+int usbhs_status_get_device_state(struct usbhs_irq_state *irq_state);
+int usbhs_status_get_ctrl_stage(struct usbhs_irq_state *irq_state);
+
+/*
+ *             callback functions
+ */
+void usbhs_irq_callback_update(struct usbhs_priv *priv, struct usbhs_mod *mod);
+
+
+#define usbhs_mod_call(priv, func, param...)           \
+       ({                                              \
+               struct usbhs_mod *mod;                  \
+               mod = usbhs_mod_get_current(priv);      \
+               !mod            ? -ENODEV :             \
+               !mod->func      ? 0 :                   \
+                mod->func(param);                      \
+       })
+
+/*
+ * host / gadget control
+ */
+#if    defined(CONFIG_USB_RENESAS_USBHS_HCD) || \
+       defined(CONFIG_USB_RENESAS_USBHS_HCD_MODULE)
+extern int usbhs_mod_host_probe(struct usbhs_priv *priv);
+extern int usbhs_mod_host_remove(struct usbhs_priv *priv);
+#else
+static inline int usbhs_mod_host_probe(struct usbhs_priv *priv)
+{
+       return 0;
+}
+static inline void usbhs_mod_host_remove(struct usbhs_priv *priv)
+{
+}
+#endif
+
+#if    defined(CONFIG_USB_RENESAS_USBHS_UDC) || \
+       defined(CONFIG_USB_RENESAS_USBHS_UDC_MODULE)
+extern int usbhs_mod_gadget_probe(struct usbhs_priv *priv);
+extern void usbhs_mod_gadget_remove(struct usbhs_priv *priv);
+#else
+static inline int usbhs_mod_gadget_probe(struct usbhs_priv *priv)
+{
+       return 0;
+}
+static inline void usbhs_mod_gadget_remove(struct usbhs_priv *priv)
+{
+}
+#endif
+
+#endif /* RENESAS_USB_MOD_H */