1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2011 Marvell International Ltd. All rights reserved.
6 #ifndef __MV_USB_OTG_CONTROLLER__
7 #define __MV_USB_OTG_CONTROLLER__
9 #include <linux/types.h>
11 /* Command Register Bit Masks */
12 #define USBCMD_RUN_STOP (0x00000001)
13 #define USBCMD_CTRL_RESET (0x00000002)
15 /* otgsc Register Bit Masks */
16 #define OTGSC_CTRL_VUSB_DISCHARGE 0x00000001
17 #define OTGSC_CTRL_VUSB_CHARGE 0x00000002
18 #define OTGSC_CTRL_OTG_TERM 0x00000008
19 #define OTGSC_CTRL_DATA_PULSING 0x00000010
20 #define OTGSC_STS_USB_ID 0x00000100
21 #define OTGSC_STS_A_VBUS_VALID 0x00000200
22 #define OTGSC_STS_A_SESSION_VALID 0x00000400
23 #define OTGSC_STS_B_SESSION_VALID 0x00000800
24 #define OTGSC_STS_B_SESSION_END 0x00001000
25 #define OTGSC_STS_1MS_TOGGLE 0x00002000
26 #define OTGSC_STS_DATA_PULSING 0x00004000
27 #define OTGSC_INTSTS_USB_ID 0x00010000
28 #define OTGSC_INTSTS_A_VBUS_VALID 0x00020000
29 #define OTGSC_INTSTS_A_SESSION_VALID 0x00040000
30 #define OTGSC_INTSTS_B_SESSION_VALID 0x00080000
31 #define OTGSC_INTSTS_B_SESSION_END 0x00100000
32 #define OTGSC_INTSTS_1MS 0x00200000
33 #define OTGSC_INTSTS_DATA_PULSING 0x00400000
34 #define OTGSC_INTR_USB_ID 0x01000000
35 #define OTGSC_INTR_A_VBUS_VALID 0x02000000
36 #define OTGSC_INTR_A_SESSION_VALID 0x04000000
37 #define OTGSC_INTR_B_SESSION_VALID 0x08000000
38 #define OTGSC_INTR_B_SESSION_END 0x10000000
39 #define OTGSC_INTR_1MS_TIMER 0x20000000
40 #define OTGSC_INTR_DATA_PULSING 0x40000000
42 #define CAPLENGTH_MASK (0xff)
44 /* Timer's interval, unit 10ms */
45 #define T_A_WAIT_VRISE 100
46 #define T_A_WAIT_BCON 2000
47 #define T_A_AIDL_BDIS 100
48 #define T_A_BIDL_ADIS 20
49 #define T_B_ASE0_BRST 400
50 #define T_B_SE0_SRP 300
51 #define T_B_SRP_FAIL 2000
52 #define T_B_DATA_PLS 10
53 #define T_B_SRP_INIT 100
54 #define T_A_SRP_RSPNS 10
63 A_WAIT_BCON_TIMER = 0,
67 /* PXA OTG state machine */
69 /* internal variables */
70 u8 a_set_b_hnp_en; /* A-Device set b_hnp_en */
84 u8 b_bus_req; /* B-Device Require Bus */
95 u8 a_aidl_bdis_timeout;
96 u8 b_ase0_brst_timeout;
97 u8 a_bidl_adis_timeout;
98 u8 a_wait_bcon_timeout;
100 struct timer_list timer[OTG_TIMER_NUM];
103 #define VUSBHS_MAX_PORTS 8
106 u32 usbcmd; /* Command register */
107 u32 usbsts; /* Status register */
108 u32 usbintr; /* Interrupt enable */
109 u32 frindex; /* Frame index */
111 u32 deviceaddr; /* Device Address */
112 u32 eplistaddr; /* Endpoint List Address */
113 u32 ttctrl; /* HOST TT status and control */
114 u32 burstsize; /* Programmable Burst Size */
115 u32 txfilltuning; /* Host Transmit Pre-Buffer Packet Tuning */
117 u32 epnak; /* Endpoint NAK */
118 u32 epnaken; /* Endpoint NAK Enable */
119 u32 configflag; /* Configured Flag register */
120 u32 portsc[VUSBHS_MAX_PORTS]; /* Port Status/Control x, x = 1..8 */
122 u32 usbmode; /* USB Host/Device mode */
123 u32 epsetupstat; /* Endpoint Setup Status */
124 u32 epprime; /* Endpoint Initialize */
125 u32 epflush; /* Endpoint De-initialize */
126 u32 epstatus; /* Endpoint Status */
127 u32 epcomplete; /* Endpoint Interrupt On Complete */
128 u32 epctrlx[16]; /* Endpoint Control, where x = 0.. 15 */
129 u32 mcr; /* Mux Control */
130 u32 isr; /* Interrupt Status */
131 u32 ier; /* Interrupt Enable */
136 struct mv_otg_ctrl otg_ctrl;
139 void __iomem *phy_regs;
140 void __iomem *cap_regs;
141 struct mv_otg_regs __iomem *op_regs;
143 struct platform_device *pdev;
148 struct delayed_work work;
149 struct workqueue_struct *qwork;
153 struct mv_usb_platform_data *pdata;
156 unsigned int clock_gating;