/*-
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Copyright (c) 2019 Emmanuel Vadot <manu@FreeBSD.Org>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 */

#ifndef _DWC3_H_
#define _DWC3_H_

#define DWC3_IP_ID              0x5533
#define DWC3_1_IP_ID            0x3331
#define DWC3_2_IP_ID            0x3332

#define DWC3_VERSION_MASK       0xFFFF0000
#define DWC3_REVISION_MASK      0xFFFF
#define DWC3_VERSION(x)         (((x) & DWC3_VERSION_MASK) >> 16)
#define DWC3_REVISION(x)        ((x) & DWC3_REVISION_MASK)

#define DWC3_GSBUSCFG0          0xc100
#define DWC3_GSBUSCFG1          0xc104
#define DWC3_GTXTHRCFG          0xc108
#define DWC3_GRXTHRCFG          0xc10C

/* Global Core Control Register */
#define DWC3_GCTL                       0xc110
#define  DWC3_GCTL_PRTCAPDIR_MASK       (0x3 << 12)
#define  DWC3_GCTL_PRTCAPDIR_HOST       (0x1 << 12)
#define  DWC3_GCTL_PRTCAPDIR_DEVICE     (0x2 << 12)
#define  DWC3_GCTL_CORESOFTRESET        (1 << 11)
#define  DWC3_GCTL_DSBLCLKGTNG          (1 << 0)

#define DWC3_GPMSTS             0xc114
#define DWC3_GSTS               0xc118

#define DWC3_GUCTL1             0xc11c
#define  DWC3_GUCTL1_TX_IPGAP_LINECHECK_DIS     (1 << 28)
#define  DWC3_GUCTL1_DEV_FORCE_20_CLK_FOR_30_CLK (1 << 26)

#define DWC3_GSNPSID            0xc120
#define DWC3_GGPIO              0xc124
#define DWC3_GUID               0xc128
#define DWC3_GUCTL              0xc12C
#define DWC3_GUCTL_HOST_AUTO_RETRY              (1 << 14)
#define DWC3_GBUSERRADDRLO      0xc130
#define DWC3_GBUSERRADDRHI      0xc134
#define DWC3_GPRTBIMAPLO        0xc138
#define DWC3_GHWPARAMS0         0xc140
#define DWC3_GHWPARAMS0_MODE_DUALROLEDEVICE     0x2
#define DWC3_GHWPARAMS0_MODE_MASK               0x3
#define DWC3_GHWPARAMS1         0xc144
#define DWC3_GHWPARAMS2         0xc148
#define DWC3_GHWPARAMS3         0xc14C
#define DWC3_GHWPARAMS4         0xc150
#define DWC3_GHWPARAMS5         0xc154
#define DWC3_GHWPARAMS6         0xc158
#define DWC3_GHWPARAMS7         0xc15C
#define DWC3_GDBGFIFOSPACE      0xc160
#define DWC3_GDBGLTSSM          0xc164
#define DWC3_GDBGLNMCC          0xc168
#define DWC3_GDBGBMU            0xc16C
#define DWC3_GDBGLSPMUX         0xc170
#define DWC3_GDBGLSP            0xc174
#define DWC3_GDBGEPINFO0        0xc178
#define DWC3_GDBGEPINFO1        0xc17C
#define DWC3_GPRTBIMAP_HSLO     0xc180
#define DWC3_GPRTBIMAP_FSLO     0xc188

#define DWC3_1_VER_NUMBER       0xc1a0
#define DWC3_1_VER_TYPE         0xc1a4

#define DWC3_GUSB2PHYCFG0       0xc200
#define  DWC3_GUSB2PHYCFG0_PHYSOFTRST           (1 << 31)
#define  DWC3_GUSB2PHYCFG0_U2_FREECLK_EXISTS    (1 << 30)
#define  DWC3_GUSB2PHYCFG0_USBTRDTIM(n)         ((n) << 10)
#define  DWC3_GUSB2PHYCFG0_USBTRDTIM_8BITS      9
#define  DWC3_GUSB2PHYCFG0_USBTRDTIM_16BITS     5
#define  DWC3_GUSB2PHYCFG0_ENBLSLPM             (1 << 8)
#define  DWC3_GUSB2PHYCFG0_PHYSEL(x)            (((x) >> 7) & 0x1)      /* 0 = USB2.0, 1 = USB1.1 */
#define  DWC3_GUSB2PHYCFG0_SUSPENDUSB20         (1 << 6)
#define  DWC3_GUSB2PHYCFG0_ULPI_UTMI_SEL        (1 << 4)
#define  DWC3_GUSB2PHYCFG0_PHYIF                (1 << 3)

#define DWC3_GUSB3PIPECTL0                      0xc2c0
#define  DWC3_GUSB3PIPECTL0_PHYSOFTRST          (1 << 31)
#define  DWC3_GUSB3PIPECTL0_DISRXDETINP3        (1 << 28)
#define  DWC3_GUSB3PIPECTL0_DELAYP1TRANS        (1 << 18)
#define  DWC3_GUSB3PIPECTL0_SUSPENDUSB3         (1 << 17)

#define DWC3_HWPARAMS3_SSPHY(x)                 ((x) & 0x3)
#define  DWC3_HWPARAMS3_SSPHY_DISABLE           0
#define  DWC3_HWPARAMS3_SSPHY_GEN1              1
#define  DWC3_HWPARAMS3_SSPHY_GEN2              2

#define DWC3_GTXFIFOSIZ(x)      (0xc300 + 0x4 * (x))
#define DWC3_GRXFIFOSIZ(x)      (0xc380 + 0x4 * (x))
#define DWC3_GEVNTADRLO0                0xc400
#define DWC3_GEVNTADRHI0                0xc404
#define DWC3_GEVNTSIZ0          0xc408
#define DWC3_GEVNTCOUNT0                0xc40C
#define DWC3_GHWPARAMS8         0xc600
#define DWC3_GTXFIFOPRIDEV      0xc610
#define DWC3_GTXFIFOPRIHST      0xc618
#define DWC3_GRXFIFOPRIHST      0xc61c
#define DWC3_GFIFOPRIDBC        0xc620
#define DWC3_GDMAHLRATIO        0xc624
#define DWC3_GFLADJ             0xc630
#define DWC3_DCFG               0xc700
#define DWC3_DCTL               0xc704
#define DWC3_DEVTEN             0xc708
#define DWC3_DSTS               0xc70C
#define DWC3_DGCMDPAR           0xc710
#define DWC3_DGCMD              0xc714
#define DWC3_DALEPENA           0xc720

#endif /* _DWC3_H_ */