LXR linux/drivers/usb/chipidea/bits.h

   1// SPDX-License-Identifier: GPL-2.0
   2/*
   3 * bits.h - register bits of the ChipIdea USB IP core
   4 *
   5 * Copyright (C) 2008 Chipidea - MIPS Technologies, Inc. All rights reserved.
   6 *
   7 * Author: David Lopo
   8 */
   9
  10#ifndef __DRIVERS_USB_CHIPIDEA_BITS_H
  11#define __DRIVERS_USB_CHIPIDEA_BITS_H
  12
  13#include <linux/usb/ehci_def.h>
  14
  15/*
  16 * ID
  17 * For 1.x revision, bit24 - bit31 are reserved
  18 * For 2.x revision, bit25 - bit28 are 0x2
  19 */
  20#define TAG                   (0x1F << 16)
  21#define REVISION              (0xF << 21)
  22#define VERSION               (0xF << 25)
  23#define CIVERSION             (0x7 << 29)
  24
  25/* SBUSCFG */
  26#define AHBBRST_MASK            0x7
  27
  28/* HCCPARAMS */
  29#define HCCPARAMS_LEN         BIT(17)
  30
  31/* DCCPARAMS */
  32#define DCCPARAMS_DEN         (0x1F << 0)
  33#define DCCPARAMS_DC          BIT(7)
  34#define DCCPARAMS_HC          BIT(8)
  35
  36/* TESTMODE */
  37#define TESTMODE_FORCE        BIT(0)
  38
  39/* USBCMD */
  40#define USBCMD_RS             BIT(0)
  41#define USBCMD_RST            BIT(1)
  42#define USBCMD_SUTW           BIT(13)
  43#define USBCMD_ATDTW          BIT(14)
  44
  45/* USBSTS & USBINTR */
  46#define USBi_UI               BIT(0)
  47#define USBi_UEI              BIT(1)
  48#define USBi_PCI              BIT(2)
  49#define USBi_URI              BIT(6)
  50#define USBi_SLI              BIT(8)
  51
  52/* DEVICEADDR */
  53#define DEVICEADDR_USBADRA    BIT(24)
  54#define DEVICEADDR_USBADR     (0x7FUL << 25)
  55
  56/* TTCTRL */
  57#define TTCTRL_TTHA_MASK        (0x7fUL << 24)
  58/* Set non-zero value for internal TT Hub address representation */
  59#define TTCTRL_TTHA             (0x7fUL << 24)
  60
  61/* BURSTSIZE */
  62#define RX_BURST_MASK           0xff
  63#define TX_BURST_MASK           0xff00
  64
  65/* PORTSC */
  66#define PORTSC_CCS            BIT(0)
  67#define PORTSC_CSC            BIT(1)
  68#define PORTSC_PEC            BIT(3)
  69#define PORTSC_OCC            BIT(5)
  70#define PORTSC_FPR            BIT(6)
  71#define PORTSC_SUSP           BIT(7)
  72#define PORTSC_HSP            BIT(9)
  73#define PORTSC_PP             BIT(12)
  74#define PORTSC_PTC            (0x0FUL << 16)
  75#define PORTSC_WKCN           BIT(20)
  76#define PORTSC_PHCD(d)        ((d) ? BIT(22) : BIT(23))
  77/* PTS and PTW for non lpm version only */
  78#define PORTSC_PFSC           BIT(24)
  79#define PORTSC_PTS(d)                                           \
  80        (u32)((((d) & 0x3) << 30) | (((d) & 0x4) ? BIT(25) : 0))
  81#define PORTSC_PTW            BIT(28)
  82#define PORTSC_STS            BIT(29)
  83
  84#define PORTSC_W1C_BITS                                         \
  85        (PORTSC_CSC | PORTSC_PEC | PORTSC_OCC)
  86
  87/* DEVLC */
  88#define DEVLC_PFSC            BIT(23)
  89#define DEVLC_PSPD            (0x03UL << 25)
  90#define DEVLC_PSPD_HS         (0x02UL << 25)
  91#define DEVLC_PTW             BIT(27)
  92#define DEVLC_STS             BIT(28)
  93#define DEVLC_PTS(d)          (u32)(((d) & 0x7) << 29)
  94
  95/* Encoding for DEVLC_PTS and PORTSC_PTS */
  96#define PTS_UTMI              0
  97#define PTS_ULPI              2
  98#define PTS_SERIAL            3
  99#define PTS_HSIC              4
 100
 101/* OTGSC */
 102#define OTGSC_IDPU            BIT(5)
 103#define OTGSC_HADP            BIT(6)
 104#define OTGSC_HABA            BIT(7)
 105#define OTGSC_ID              BIT(8)
 106#define OTGSC_AVV             BIT(9)
 107#define OTGSC_ASV             BIT(10)
 108#define OTGSC_BSV             BIT(11)
 109#define OTGSC_BSE             BIT(12)
 110#define OTGSC_IDIS            BIT(16)
 111#define OTGSC_AVVIS           BIT(17)
 112#define OTGSC_ASVIS           BIT(18)
 113#define OTGSC_BSVIS           BIT(19)
 114#define OTGSC_BSEIS           BIT(20)
 115#define OTGSC_1MSIS           BIT(21)
 116#define OTGSC_DPIS            BIT(22)
 117#define OTGSC_IDIE            BIT(24)
 118#define OTGSC_AVVIE           BIT(25)
 119#define OTGSC_ASVIE           BIT(26)
 120#define OTGSC_BSVIE           BIT(27)
 121#define OTGSC_BSEIE           BIT(28)
 122#define OTGSC_1MSIE           BIT(29)
 123#define OTGSC_DPIE            BIT(30)
 124#define OTGSC_INT_EN_BITS       (OTGSC_IDIE | OTGSC_AVVIE | OTGSC_ASVIE \
 125                                | OTGSC_BSVIE | OTGSC_BSEIE | OTGSC_1MSIE \
 126                                | OTGSC_DPIE)
 127#define OTGSC_INT_STATUS_BITS   (OTGSC_IDIS | OTGSC_AVVIS | OTGSC_ASVIS \
 128                                | OTGSC_BSVIS | OTGSC_BSEIS | OTGSC_1MSIS \
 129                                | OTGSC_DPIS)
 130
 131/* USBMODE */
 132#define USBMODE_CM            (0x03UL <<  0)
 133#define USBMODE_CM_DC         (0x02UL <<  0)
 134#define USBMODE_SLOM          BIT(3)
 135#define USBMODE_CI_SDIS       BIT(4)
 136
 137/* ENDPTCTRL */
 138#define ENDPTCTRL_RXS         BIT(0)
 139#define ENDPTCTRL_RXT         (0x03UL <<  2)
 140#define ENDPTCTRL_RXR         BIT(6)         /* reserved for port 0 */
 141#define ENDPTCTRL_RXE         BIT(7)
 142#define ENDPTCTRL_TXS         BIT(16)
 143#define ENDPTCTRL_TXT         (0x03UL << 18)
 144#define ENDPTCTRL_TXR         BIT(22)        /* reserved for port 0 */
 145#define ENDPTCTRL_TXE         BIT(23)
 146
 147#endif /* __DRIVERS_USB_CHIPIDEA_BITS_H */
 148