1 files changed, 154 insertions, 0 deletions

diff --git a/drivers/usb/phy/phy-fsm-usb.h b/drivers/usb/phy/phy-fsm-usb.h
new file mode 100644
index 000000000000..c30a2e1d9e46
--- /dev/null
+++ b/drivers/usb/phy/phy-fsm-usb.h
@@ -0,0 +1,154 @@
+/* Copyright (C) 2007,2008 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ *
+ * 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.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#undef DEBUG
+#undef VERBOSE
+
+#ifdef DEBUG
+#define DBG(fmt, args...) printk(KERN_DEBUG "[%s]  " fmt , \
+                                 __func__, ## args)
+#else
+#define DBG(fmt, args...)       do {} while (0)
+#endif
+
+#ifdef VERBOSE
+#define VDBG            DBG
+#else
+#define VDBG(stuff...)  do {} while (0)
+#endif
+
+#ifdef VERBOSE
+#define MPC_LOC printk("Current Location [%s]:[%d]\n", __FILE__, __LINE__)
+#else
+#define MPC_LOC do {} while (0)
+#endif
+
+#define PROTO_UNDEF     (0)
+#define PROTO_HOST      (1)
+#define PROTO_GADGET    (2)
+
+/* OTG state machine according to the OTG spec */
+struct otg_fsm {
+        /* Input */
+        int a_bus_resume;
+        int a_bus_suspend;
+        int a_conn;
+        int a_sess_vld;
+        int a_srp_det;
+        int a_vbus_vld;
+        int b_bus_resume;
+        int b_bus_suspend;
+        int b_conn;
+        int b_se0_srp;
+        int b_sess_end;
+        int b_sess_vld;
+        int id;
+
+        /* Internal variables */
+        int a_set_b_hnp_en;
+        int b_srp_done;
+        int b_hnp_enable;
+
+        /* Timeout indicator for timers */
+        int a_wait_vrise_tmout;
+        int a_wait_bcon_tmout;
+        int a_aidl_bdis_tmout;
+        int b_ase0_brst_tmout;
+
+        /* Informative variables */
+        int a_bus_drop;
+        int a_bus_req;
+        int a_clr_err;
+        int a_suspend_req;
+        int b_bus_req;
+
+        /* Output */
+        int drv_vbus;
+        int loc_conn;
+        int loc_sof;
+
+        struct otg_fsm_ops *ops;
+        struct usb_otg *otg;
+
+        /* Current usb protocol used: 0:undefine; 1:host; 2:client */
+        int protocol;
+        spinlock_t lock;
+};
+
+struct otg_fsm_ops {
+        void    (*chrg_vbus)(int on);
+        void    (*drv_vbus)(int on);
+        void    (*loc_conn)(int on);
+        void    (*loc_sof)(int on);
+        void    (*start_pulse)(void);
+        void    (*add_timer)(void *timer);
+        void    (*del_timer)(void *timer);
+        int     (*start_host)(struct otg_fsm *fsm, int on);
+        int     (*start_gadget)(struct otg_fsm *fsm, int on);
+};
+
+
+static inline void otg_chrg_vbus(struct otg_fsm *fsm, int on)
+{
+        fsm->ops->chrg_vbus(on);
+}
+
+static inline void otg_drv_vbus(struct otg_fsm *fsm, int on)
+{
+        if (fsm->drv_vbus != on) {
+                fsm->drv_vbus = on;
+                fsm->ops->drv_vbus(on);
+        }
+}
+
+static inline void otg_loc_conn(struct otg_fsm *fsm, int on)
+{
+        if (fsm->loc_conn != on) {
+                fsm->loc_conn = on;
+                fsm->ops->loc_conn(on);
+        }
+}
+
+static inline void otg_loc_sof(struct otg_fsm *fsm, int on)
+{
+        if (fsm->loc_sof != on) {
+                fsm->loc_sof = on;
+                fsm->ops->loc_sof(on);
+        }
+}
+
+static inline void otg_start_pulse(struct otg_fsm *fsm)
+{
+        fsm->ops->start_pulse();
+}
+
+static inline void otg_add_timer(struct otg_fsm *fsm, void *timer)
+{
+        fsm->ops->add_timer(timer);
+}
+
+static inline void otg_del_timer(struct otg_fsm *fsm, void *timer)
+{
+        fsm->ops->del_timer(timer);
+}
+
+int otg_statemachine(struct otg_fsm *fsm);
+
+/* Defined by device specific driver, for different timer implementation */
+extern struct fsl_otg_timer *a_wait_vrise_tmr, *a_wait_bcon_tmr,
+        *a_aidl_bdis_tmr, *b_ase0_brst_tmr, *b_se0_srp_tmr, *b_srp_fail_tmr,
+        *a_wait_enum_tmr;