root/drivers/usb/phy/phy-mv-usb.h

INCLUDED FROM

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2011 Marvell International Ltd. All rights reserved.
   4  */
   5 
   6 #ifndef __MV_USB_OTG_CONTROLLER__
   7 #define __MV_USB_OTG_CONTROLLER__
   8 
   9 #include <linux/types.h>
  10 
  11 /* Command Register Bit Masks */
  12 #define USBCMD_RUN_STOP                 (0x00000001)
  13 #define USBCMD_CTRL_RESET               (0x00000002)
  14 
  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
  41 
  42 #define CAPLENGTH_MASK          (0xff)
  43 
  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
  55 #define T_A_DRV_RSM             5
  56 
  57 enum otg_function {
  58         OTG_B_DEVICE = 0,
  59         OTG_A_DEVICE
  60 };
  61 
  62 enum mv_otg_timer {
  63         A_WAIT_BCON_TIMER = 0,
  64         OTG_TIMER_NUM
  65 };
  66 
  67 /* PXA OTG state machine */
  68 struct mv_otg_ctrl {
  69         /* internal variables */
  70         u8 a_set_b_hnp_en;      /* A-Device set b_hnp_en */
  71         u8 b_srp_done;
  72         u8 b_hnp_en;
  73 
  74         /* OTG inputs */
  75         u8 a_bus_drop;
  76         u8 a_bus_req;
  77         u8 a_clr_err;
  78         u8 a_bus_resume;
  79         u8 a_bus_suspend;
  80         u8 a_conn;
  81         u8 a_sess_vld;
  82         u8 a_srp_det;
  83         u8 a_vbus_vld;
  84         u8 b_bus_req;           /* B-Device Require Bus */
  85         u8 b_bus_resume;
  86         u8 b_bus_suspend;
  87         u8 b_conn;
  88         u8 b_se0_srp;
  89         u8 b_sess_end;
  90         u8 b_sess_vld;
  91         u8 id;
  92         u8 a_suspend_req;
  93 
  94         /*Timer event */
  95         u8 a_aidl_bdis_timeout;
  96         u8 b_ase0_brst_timeout;
  97         u8 a_bidl_adis_timeout;
  98         u8 a_wait_bcon_timeout;
  99 
 100         struct timer_list timer[OTG_TIMER_NUM];
 101 };
 102 
 103 #define VUSBHS_MAX_PORTS        8
 104 
 105 struct mv_otg_regs {
 106         u32 usbcmd;             /* Command register */
 107         u32 usbsts;             /* Status register */
 108         u32 usbintr;            /* Interrupt enable */
 109         u32 frindex;            /* Frame index */
 110         u32 reserved1[1];
 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 */
 116         u32 reserved[4];
 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 */
 121         u32 otgsc;
 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 */
 132 };
 133 
 134 struct mv_otg {
 135         struct usb_phy phy;
 136         struct mv_otg_ctrl otg_ctrl;
 137 
 138         /* base address */
 139         void __iomem *phy_regs;
 140         void __iomem *cap_regs;
 141         struct mv_otg_regs __iomem *op_regs;
 142 
 143         struct platform_device *pdev;
 144         int irq;
 145         u32 irq_status;
 146         u32 irq_en;
 147 
 148         struct delayed_work work;
 149         struct workqueue_struct *qwork;
 150 
 151         spinlock_t wq_lock;
 152 
 153         struct mv_usb_platform_data *pdata;
 154 
 155         unsigned int active;
 156         unsigned int clock_gating;
 157         struct clk *clk;
 158 };
 159 
 160 #endif