Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 101 insertions, 0 deletions

diff --git a/drivers/usb/chipidea/otg_fsm.h b/drivers/usb/chipidea/otg_fsm.h
new file mode 100644
index 000000000..2b49d29bf
--- /dev/null
+++ b/drivers/usb/chipidea/otg_fsm.h
@@ -0,0 +1,101 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2014 Freescale Semiconductor, Inc.
+ *
+ * Author: Jun Li
+ */
+
+#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 */
+
+#define TB_AIDL_BDIS         (20)	/* 4ms ~ 150ms, section 5.2.1 */
+
+#if IS_ENABLED(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 */