Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / usb / chipidea / otg_fsm.h

diff --git a/kernel/drivers/usb/chipidea/otg_fsm.h b/kernel/drivers/usb/chipidea/otg_fsm.h
new file mode 100644 (file)
index 0000000..2689375
--- /dev/null
+++ b/kernel/drivers/usb/chipidea/otg_fsm.h
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2014 Freescale Semiconductor, Inc.
+ *
+ * Author: Jun Li
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __DRIVERS_USB_CHIPIDEA_OTG_FSM_H
+#define __DRIVERS_USB_CHIPIDEA_OTG_FSM_H
+
+#include <linux/usb/otg-fsm.h>
+
+/*
+ *  A-DEVICE timing  constants
+ */
+
+/* Wait for VBUS Rise  */
+#define TA_WAIT_VRISE        (100)     /* a_wait_vrise: section 7.1.2
+                                        * a_wait_vrise_tmr: section 7.4.5.1
+                                        * TA_VBUS_RISE <= 100ms, section 4.4
+                                        * Table 4-1: Electrical Characteristics
+                                        * ->DC Electrical Timing
+                                        */
+/* Wait for VBUS Fall  */
+#define TA_WAIT_VFALL        (1000)    /* a_wait_vfall: section 7.1.7
+                                        * a_wait_vfall_tmr: section: 7.4.5.2
+                                        */
+/* Wait for B-Connect */
+#define TA_WAIT_BCON         (10000)   /* a_wait_bcon: section 7.1.3
+                                        * TA_WAIT_BCON: should be between 1100
+                                        * and 30000 ms, section 5.5, Table 5-1
+                                        */
+/* A-Idle to B-Disconnect */
+#define TA_AIDL_BDIS         (5000)    /* a_suspend min 200 ms, section 5.2.1
+                                        * TA_AIDL_BDIS: section 5.5, Table 5-1
+                                        */
+/* B-Idle to A-Disconnect */
+#define TA_BIDL_ADIS         (500)     /* TA_BIDL_ADIS: section 5.2.1
+                                        * 500ms is used for B switch to host
+                                        * for safe
+                                        */
+
+/*
+ * B-device timing constants
+ */
+
+/* Data-Line Pulse Time*/
+#define TB_DATA_PLS          (10)      /* b_srp_init,continue 5~10ms
+                                        * section:5.1.3
+                                        */
+/* SRP Fail Time  */
+#define TB_SRP_FAIL          (6000)    /* b_srp_init,fail time 5~6s
+                                        * section:5.1.6
+                                        */
+/* A-SE0 to B-Reset  */
+#define TB_ASE0_BRST         (155)     /* minimum 155 ms, section:5.3.1 */
+/* SE0 Time Before SRP */
+#define TB_SE0_SRP           (1000)    /* b_idle,minimum 1s, section:5.1.2 */
+/* SSEND time before SRP */
+#define TB_SSEND_SRP         (1500)    /* minimum 1.5 sec, section:5.1.2 */
+
+#ifdef CONFIG_USB_OTG_FSM
+
+int ci_hdrc_otg_fsm_init(struct ci_hdrc *ci);
+int ci_otg_fsm_work(struct ci_hdrc *ci);
+irqreturn_t ci_otg_fsm_irq(struct ci_hdrc *ci);
+void ci_hdrc_otg_fsm_start(struct ci_hdrc *ci);
+void ci_hdrc_otg_fsm_remove(struct ci_hdrc *ci);
+
+#else
+
+static inline int ci_hdrc_otg_fsm_init(struct ci_hdrc *ci)
+{
+       return 0;
+}
+
+static inline int ci_otg_fsm_work(struct ci_hdrc *ci)
+{
+       return -ENXIO;
+}
+
+static inline irqreturn_t ci_otg_fsm_irq(struct ci_hdrc *ci)
+{
+       return IRQ_NONE;
+}
+
+static inline void ci_hdrc_otg_fsm_start(struct ci_hdrc *ci)
+{
+
+}
+
+static inline void ci_hdrc_otg_fsm_remove(struct ci_hdrc *ci)
+{
+
+}
+
+#endif
+
+#endif /* __DRIVERS_USB_CHIPIDEA_OTG_FSM_H */