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   1 /* include/linux/usb/dwc3.h
   2  *
   3  * Copyright (c) 2012 Samsung Electronics Co. Ltd
   4  *
   5  * Designware SuperSpeed USB 3.0 DRD Controller global and OTG registers
   6  *
   7  * SPDX-License-Identifier:     GPL-2.0+
   8  */
   9
  10 #ifndef __DWC3_H_
  11 #define __DWC3_H_
  12
  13 /* Global constants */
  14 #define DWC3_ENDPOINTS_NUM                      32
  15
  16 #define DWC3_EVENT_BUFFERS_SIZE                 PAGE_SIZE
  17 #define DWC3_EVENT_TYPE_MASK                    0xfe
  18
  19 #define DWC3_EVENT_TYPE_DEV                     0
  20 #define DWC3_EVENT_TYPE_CARKIT                  3
  21 #define DWC3_EVENT_TYPE_I2C                     4
  22
  23 #define DWC3_DEVICE_EVENT_DISCONNECT            0
  24 #define DWC3_DEVICE_EVENT_RESET                 1
  25 #define DWC3_DEVICE_EVENT_CONNECT_DONE          2
  26 #define DWC3_DEVICE_EVENT_LINK_STATUS_CHANGE    3
  27 #define DWC3_DEVICE_EVENT_WAKEUP                4
  28 #define DWC3_DEVICE_EVENT_EOPF                  6
  29 #define DWC3_DEVICE_EVENT_SOF                   7
  30 #define DWC3_DEVICE_EVENT_ERRATIC_ERROR         9
  31 #define DWC3_DEVICE_EVENT_CMD_CMPL              10
  32 #define DWC3_DEVICE_EVENT_OVERFLOW              11
  33
  34 #define DWC3_GEVNTCOUNT_MASK                    0xfffc
  35 #define DWC3_GSNPSID_MASK                       0xffff0000
  36 #define DWC3_GSNPSID_SHIFT                      16
  37 #define DWC3_GSNPSREV_MASK                      0xffff
  38
  39 #define DWC3_REVISION_MASK                      0xffff
  40
  41 #define DWC3_REG_OFFSET                         0xC100
  42
  43 struct g_event_buffer {
  44         u64 g_evntadr;
  45         u32 g_evntsiz;
  46         u32 g_evntcount;
  47 };
  48
  49 struct d_physical_endpoint {
  50         u32 d_depcmdpar2;
  51         u32 d_depcmdpar1;
  52         u32 d_depcmdpar0;
  53         u32 d_depcmd;
  54 };
  55
  56 struct dwc3 {                                   /* offset: 0xC100 */
  57         u32 g_sbuscfg0;
  58         u32 g_sbuscfg1;
  59         u32 g_txthrcfg;
  60         u32 g_rxthrcfg;
  61         u32 g_ctl;
  62
  63         u32 reserved1;
  64
  65         u32 g_sts;
  66
  67         u32 reserved2;
  68
  69         u32 g_snpsid;
  70         u32 g_gpio;
  71         u32 g_uid;
  72         u32 g_uctl;
  73         u64 g_buserraddr;
  74         u64 g_prtbimap;
  75
  76         u32 g_hwparams0;
  77         u32 g_hwparams1;
  78         u32 g_hwparams2;
  79         u32 g_hwparams3;
  80         u32 g_hwparams4;
  81         u32 g_hwparams5;
  82         u32 g_hwparams6;
  83         u32 g_hwparams7;
  84
  85         u32 g_dbgfifospace;
  86         u32 g_dbgltssm;
  87         u32 g_dbglnmcc;
  88         u32 g_dbgbmu;
  89         u32 g_dbglspmux;
  90         u32 g_dbglsp;
  91         u32 g_dbgepinfo0;
  92         u32 g_dbgepinfo1;
  93
  94         u64 g_prtbimap_hs;
  95         u64 g_prtbimap_fs;
  96
  97         u32 reserved3[28];
  98
  99         u32 g_usb2phycfg[16];
 100         u32 g_usb2i2cctl[16];
 101         u32 g_usb2phyacc[16];
 102         u32 g_usb3pipectl[16];
 103
 104         u32 g_txfifosiz[32];
 105         u32 g_rxfifosiz[32];
 106
 107         struct g_event_buffer g_evnt_buf[32];
 108
 109         u32 g_hwparams8;
 110
 111         u32 reserved4[63];
 112
 113         u32 d_cfg;
 114         u32 d_ctl;
 115         u32 d_evten;
 116         u32 d_sts;
 117         u32 d_gcmdpar;
 118         u32 d_gcmd;
 119
 120         u32 reserved5[2];
 121
 122         u32 d_alepena;
 123
 124         u32 reserved6[55];
 125
 126         struct d_physical_endpoint d_phy_ep_cmd[32];
 127
 128         u32 reserved7[128];
 129
 130         u32 o_cfg;
 131         u32 o_ctl;
 132         u32 o_evt;
 133         u32 o_evten;
 134         u32 o_sts;
 135
 136         u32 reserved8[3];
 137
 138         u32 adp_cfg;
 139         u32 adp_ctl;
 140         u32 adp_evt;
 141         u32 adp_evten;
 142
 143         u32 bc_cfg;
 144
 145         u32 reserved9;
 146
 147         u32 bc_evt;
 148         u32 bc_evten;
 149 };
 150
 151 /* Global Configuration Register */
 152 #define DWC3_GCTL_PWRDNSCALE(n)                 ((n) << 19)
 153 #define DWC3_GCTL_U2RSTECN                      (1 << 16)
 154 #define DWC3_GCTL_RAMCLKSEL(x)                  \
 155                 (((x) & DWC3_GCTL_CLK_MASK) << 6)
 156 #define DWC3_GCTL_CLK_BUS                       (0)
 157 #define DWC3_GCTL_CLK_PIPE                      (1)
 158 #define DWC3_GCTL_CLK_PIPEHALF                  (2)
 159 #define DWC3_GCTL_CLK_MASK                      (3)
 160 #define DWC3_GCTL_PRTCAP(n)                     (((n) & (3 << 12)) >> 12)
 161 #define DWC3_GCTL_PRTCAPDIR(n)                  ((n) << 12)
 162 #define DWC3_GCTL_PRTCAP_HOST                   1
 163 #define DWC3_GCTL_PRTCAP_DEVICE                 2
 164 #define DWC3_GCTL_PRTCAP_OTG                    3
 165 #define DWC3_GCTL_CORESOFTRESET                 (1 << 11)
 166 #define DWC3_GCTL_SCALEDOWN(n)                  ((n) << 4)
 167 #define DWC3_GCTL_SCALEDOWN_MASK                DWC3_GCTL_SCALEDOWN(3)
 168 #define DWC3_GCTL_DISSCRAMBLE                   (1 << 3)
 169 #define DWC3_GCTL_DSBLCLKGTNG                   (1 << 0)
 170
 171 /* Global HWPARAMS1 Register */
 172 #define DWC3_GHWPARAMS1_EN_PWROPT(n)            (((n) & (3 << 24)) >> 24)
 173 #define DWC3_GHWPARAMS1_EN_PWROPT_NO            0
 174 #define DWC3_GHWPARAMS1_EN_PWROPT_CLK           1
 175
 176 /* Global USB2 PHY Configuration Register */
 177 #define DWC3_GUSB2PHYCFG_PHYSOFTRST             (1 << 31)
 178 #define DWC3_GUSB2PHYCFG_SUSPHY                 (1 << 6)
 179
 180 /* Global USB3 PIPE Control Register */
 181 #define DWC3_GUSB3PIPECTL_PHYSOFTRST            (1 << 31)
 182 #define DWC3_GUSB3PIPECTL_SUSPHY                (1 << 17)
 183
 184 /* Global TX Fifo Size Register */
 185 #define DWC3_GTXFIFOSIZ_TXFDEF(n)               ((n) & 0xffff)
 186 #define DWC3_GTXFIFOSIZ_TXFSTADDR(n)            ((n) & 0xffff0000)
 187
 188 #endif /* __DWC3_H_ */