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1564 lines
50 KiB
1564 lines
50 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* core.h - DesignWare USB3 DRD Core Header |
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* |
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* Copyright (C) 2010-2011 Texas Instruments Incorporated - https://www.ti.com |
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* |
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* Authors: Felipe Balbi <[email protected]>, |
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* Sebastian Andrzej Siewior <[email protected]> |
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*/ |
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#ifndef __DRIVERS_USB_DWC3_CORE_H |
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#define __DRIVERS_USB_DWC3_CORE_H |
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#include <linux/device.h> |
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#include <linux/spinlock.h> |
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#include <linux/mutex.h> |
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#include <linux/ioport.h> |
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#include <linux/list.h> |
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#include <linux/bitops.h> |
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#include <linux/dma-mapping.h> |
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#include <linux/mm.h> |
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#include <linux/debugfs.h> |
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#include <linux/wait.h> |
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#include <linux/workqueue.h> |
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#include <linux/usb/ch9.h> |
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#include <linux/usb/gadget.h> |
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#include <linux/usb/otg.h> |
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#include <linux/usb/role.h> |
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#include <linux/ulpi/interface.h> |
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#include <linux/phy/phy.h> |
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#define DWC3_MSG_MAX 500 |
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/* Global constants */ |
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#define DWC3_PULL_UP_TIMEOUT 500 /* ms */ |
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#define DWC3_BOUNCE_SIZE 1024 /* size of a superspeed bulk */ |
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#define DWC3_EP0_SETUP_SIZE 512 |
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#define DWC3_ENDPOINTS_NUM 32 |
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#define DWC3_XHCI_RESOURCES_NUM 2 |
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#define DWC3_ISOC_MAX_RETRIES 5 |
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#define DWC3_SCRATCHBUF_SIZE 4096 /* each buffer is assumed to be 4KiB */ |
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#define DWC3_EVENT_BUFFERS_SIZE 4096 |
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#define DWC3_EVENT_TYPE_MASK 0xfe |
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#define DWC3_EVENT_TYPE_DEV 0 |
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#define DWC3_EVENT_TYPE_CARKIT 3 |
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#define DWC3_EVENT_TYPE_I2C 4 |
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#define DWC3_DEVICE_EVENT_DISCONNECT 0 |
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#define DWC3_DEVICE_EVENT_RESET 1 |
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#define DWC3_DEVICE_EVENT_CONNECT_DONE 2 |
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#define DWC3_DEVICE_EVENT_LINK_STATUS_CHANGE 3 |
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#define DWC3_DEVICE_EVENT_WAKEUP 4 |
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#define DWC3_DEVICE_EVENT_HIBER_REQ 5 |
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#define DWC3_DEVICE_EVENT_EOPF 6 |
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#define DWC3_DEVICE_EVENT_SOF 7 |
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#define DWC3_DEVICE_EVENT_ERRATIC_ERROR 9 |
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#define DWC3_DEVICE_EVENT_CMD_CMPL 10 |
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#define DWC3_DEVICE_EVENT_OVERFLOW 11 |
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/* Controller's role while using the OTG block */ |
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#define DWC3_OTG_ROLE_IDLE 0 |
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#define DWC3_OTG_ROLE_HOST 1 |
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#define DWC3_OTG_ROLE_DEVICE 2 |
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#define DWC3_GEVNTCOUNT_MASK 0xfffc |
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#define DWC3_GEVNTCOUNT_EHB BIT(31) |
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#define DWC3_GSNPSID_MASK 0xffff0000 |
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#define DWC3_GSNPSREV_MASK 0xffff |
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#define DWC3_GSNPS_ID(p) (((p) & DWC3_GSNPSID_MASK) >> 16) |
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/* DWC3 registers memory space boundries */ |
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#define DWC3_XHCI_REGS_START 0x0 |
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#define DWC3_XHCI_REGS_END 0x7fff |
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#define DWC3_GLOBALS_REGS_START 0xc100 |
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#define DWC3_GLOBALS_REGS_END 0xc6ff |
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#define DWC3_DEVICE_REGS_START 0xc700 |
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#define DWC3_DEVICE_REGS_END 0xcbff |
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#define DWC3_OTG_REGS_START 0xcc00 |
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#define DWC3_OTG_REGS_END 0xccff |
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/* Global Registers */ |
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#define DWC3_GSBUSCFG0 0xc100 |
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#define DWC3_GSBUSCFG1 0xc104 |
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#define DWC3_GTXTHRCFG 0xc108 |
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#define DWC3_GRXTHRCFG 0xc10c |
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#define DWC3_GCTL 0xc110 |
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#define DWC3_GEVTEN 0xc114 |
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#define DWC3_GSTS 0xc118 |
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#define DWC3_GUCTL1 0xc11c |
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#define DWC3_GSNPSID 0xc120 |
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#define DWC3_GGPIO 0xc124 |
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#define DWC3_GUID 0xc128 |
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#define DWC3_GUCTL 0xc12c |
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#define DWC3_GBUSERRADDR0 0xc130 |
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#define DWC3_GBUSERRADDR1 0xc134 |
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#define DWC3_GPRTBIMAP0 0xc138 |
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#define DWC3_GPRTBIMAP1 0xc13c |
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#define DWC3_GHWPARAMS0 0xc140 |
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#define DWC3_GHWPARAMS1 0xc144 |
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#define DWC3_GHWPARAMS2 0xc148 |
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#define DWC3_GHWPARAMS3 0xc14c |
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#define DWC3_GHWPARAMS4 0xc150 |
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#define DWC3_GHWPARAMS5 0xc154 |
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#define DWC3_GHWPARAMS6 0xc158 |
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#define DWC3_GHWPARAMS7 0xc15c |
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#define DWC3_GDBGFIFOSPACE 0xc160 |
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#define DWC3_GDBGLTSSM 0xc164 |
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#define DWC3_GDBGBMU 0xc16c |
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#define DWC3_GDBGLSPMUX 0xc170 |
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#define DWC3_GDBGLSP 0xc174 |
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#define DWC3_GDBGEPINFO0 0xc178 |
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#define DWC3_GDBGEPINFO1 0xc17c |
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#define DWC3_GPRTBIMAP_HS0 0xc180 |
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#define DWC3_GPRTBIMAP_HS1 0xc184 |
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#define DWC3_GPRTBIMAP_FS0 0xc188 |
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#define DWC3_GPRTBIMAP_FS1 0xc18c |
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#define DWC3_GUCTL2 0xc19c |
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#define DWC3_VER_NUMBER 0xc1a0 |
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#define DWC3_VER_TYPE 0xc1a4 |
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#define DWC3_GUSB2PHYCFG(n) (0xc200 + ((n) * 0x04)) |
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#define DWC3_GUSB2I2CCTL(n) (0xc240 + ((n) * 0x04)) |
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#define DWC3_GUSB2PHYACC(n) (0xc280 + ((n) * 0x04)) |
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#define DWC3_GUSB3PIPECTL(n) (0xc2c0 + ((n) * 0x04)) |
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#define DWC3_GTXFIFOSIZ(n) (0xc300 + ((n) * 0x04)) |
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#define DWC3_GRXFIFOSIZ(n) (0xc380 + ((n) * 0x04)) |
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#define DWC3_GEVNTADRLO(n) (0xc400 + ((n) * 0x10)) |
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#define DWC3_GEVNTADRHI(n) (0xc404 + ((n) * 0x10)) |
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#define DWC3_GEVNTSIZ(n) (0xc408 + ((n) * 0x10)) |
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#define DWC3_GEVNTCOUNT(n) (0xc40c + ((n) * 0x10)) |
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#define DWC3_GHWPARAMS8 0xc600 |
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#define DWC3_GUCTL3 0xc60c |
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#define DWC3_GFLADJ 0xc630 |
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/* Device Registers */ |
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#define DWC3_DCFG 0xc700 |
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#define DWC3_DCTL 0xc704 |
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#define DWC3_DEVTEN 0xc708 |
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#define DWC3_DSTS 0xc70c |
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#define DWC3_DGCMDPAR 0xc710 |
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#define DWC3_DGCMD 0xc714 |
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#define DWC3_DALEPENA 0xc720 |
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#define DWC3_DEP_BASE(n) (0xc800 + ((n) * 0x10)) |
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#define DWC3_DEPCMDPAR2 0x00 |
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#define DWC3_DEPCMDPAR1 0x04 |
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#define DWC3_DEPCMDPAR0 0x08 |
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#define DWC3_DEPCMD 0x0c |
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#define DWC3_DEV_IMOD(n) (0xca00 + ((n) * 0x4)) |
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/* OTG Registers */ |
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#define DWC3_OCFG 0xcc00 |
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#define DWC3_OCTL 0xcc04 |
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#define DWC3_OEVT 0xcc08 |
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#define DWC3_OEVTEN 0xcc0C |
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#define DWC3_OSTS 0xcc10 |
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/* Bit fields */ |
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/* Global SoC Bus Configuration INCRx Register 0 */ |
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#define DWC3_GSBUSCFG0_INCR256BRSTENA (1 << 7) /* INCR256 burst */ |
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#define DWC3_GSBUSCFG0_INCR128BRSTENA (1 << 6) /* INCR128 burst */ |
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#define DWC3_GSBUSCFG0_INCR64BRSTENA (1 << 5) /* INCR64 burst */ |
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#define DWC3_GSBUSCFG0_INCR32BRSTENA (1 << 4) /* INCR32 burst */ |
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#define DWC3_GSBUSCFG0_INCR16BRSTENA (1 << 3) /* INCR16 burst */ |
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#define DWC3_GSBUSCFG0_INCR8BRSTENA (1 << 2) /* INCR8 burst */ |
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#define DWC3_GSBUSCFG0_INCR4BRSTENA (1 << 1) /* INCR4 burst */ |
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#define DWC3_GSBUSCFG0_INCRBRSTENA (1 << 0) /* undefined length enable */ |
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#define DWC3_GSBUSCFG0_INCRBRST_MASK 0xff |
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/* Global Debug LSP MUX Select */ |
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#define DWC3_GDBGLSPMUX_ENDBC BIT(15) /* Host only */ |
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#define DWC3_GDBGLSPMUX_HOSTSELECT(n) ((n) & 0x3fff) |
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#define DWC3_GDBGLSPMUX_DEVSELECT(n) (((n) & 0xf) << 4) |
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#define DWC3_GDBGLSPMUX_EPSELECT(n) ((n) & 0xf) |
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/* Global Debug Queue/FIFO Space Available Register */ |
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#define DWC3_GDBGFIFOSPACE_NUM(n) ((n) & 0x1f) |
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#define DWC3_GDBGFIFOSPACE_TYPE(n) (((n) << 5) & 0x1e0) |
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#define DWC3_GDBGFIFOSPACE_SPACE_AVAILABLE(n) (((n) >> 16) & 0xffff) |
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#define DWC3_TXFIFO 0 |
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#define DWC3_RXFIFO 1 |
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#define DWC3_TXREQQ 2 |
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#define DWC3_RXREQQ 3 |
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#define DWC3_RXINFOQ 4 |
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#define DWC3_PSTATQ 5 |
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#define DWC3_DESCFETCHQ 6 |
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#define DWC3_EVENTQ 7 |
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#define DWC3_AUXEVENTQ 8 |
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/* Global RX Threshold Configuration Register */ |
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#define DWC3_GRXTHRCFG_MAXRXBURSTSIZE(n) (((n) & 0x1f) << 19) |
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#define DWC3_GRXTHRCFG_RXPKTCNT(n) (((n) & 0xf) << 24) |
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#define DWC3_GRXTHRCFG_PKTCNTSEL BIT(29) |
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/* Global RX Threshold Configuration Register for DWC_usb31 only */ |
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#define DWC31_GRXTHRCFG_MAXRXBURSTSIZE(n) (((n) & 0x1f) << 16) |
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#define DWC31_GRXTHRCFG_RXPKTCNT(n) (((n) & 0x1f) << 21) |
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#define DWC31_GRXTHRCFG_PKTCNTSEL BIT(26) |
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#define DWC31_RXTHRNUMPKTSEL_HS_PRD BIT(15) |
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#define DWC31_RXTHRNUMPKT_HS_PRD(n) (((n) & 0x3) << 13) |
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#define DWC31_RXTHRNUMPKTSEL_PRD BIT(10) |
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#define DWC31_RXTHRNUMPKT_PRD(n) (((n) & 0x1f) << 5) |
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#define DWC31_MAXRXBURSTSIZE_PRD(n) ((n) & 0x1f) |
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/* Global TX Threshold Configuration Register for DWC_usb31 only */ |
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#define DWC31_GTXTHRCFG_MAXTXBURSTSIZE(n) (((n) & 0x1f) << 16) |
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#define DWC31_GTXTHRCFG_TXPKTCNT(n) (((n) & 0x1f) << 21) |
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#define DWC31_GTXTHRCFG_PKTCNTSEL BIT(26) |
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#define DWC31_TXTHRNUMPKTSEL_HS_PRD BIT(15) |
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#define DWC31_TXTHRNUMPKT_HS_PRD(n) (((n) & 0x3) << 13) |
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#define DWC31_TXTHRNUMPKTSEL_PRD BIT(10) |
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#define DWC31_TXTHRNUMPKT_PRD(n) (((n) & 0x1f) << 5) |
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#define DWC31_MAXTXBURSTSIZE_PRD(n) ((n) & 0x1f) |
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/* Global Configuration Register */ |
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#define DWC3_GCTL_PWRDNSCALE(n) ((n) << 19) |
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#define DWC3_GCTL_U2RSTECN BIT(16) |
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#define DWC3_GCTL_RAMCLKSEL(x) (((x) & DWC3_GCTL_CLK_MASK) << 6) |
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#define DWC3_GCTL_CLK_BUS (0) |
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#define DWC3_GCTL_CLK_PIPE (1) |
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#define DWC3_GCTL_CLK_PIPEHALF (2) |
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#define DWC3_GCTL_CLK_MASK (3) |
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#define DWC3_GCTL_PRTCAP(n) (((n) & (3 << 12)) >> 12) |
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#define DWC3_GCTL_PRTCAPDIR(n) ((n) << 12) |
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#define DWC3_GCTL_PRTCAP_HOST 1 |
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#define DWC3_GCTL_PRTCAP_DEVICE 2 |
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#define DWC3_GCTL_PRTCAP_OTG 3 |
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#define DWC3_GCTL_CORESOFTRESET BIT(11) |
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#define DWC3_GCTL_SOFITPSYNC BIT(10) |
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#define DWC3_GCTL_SCALEDOWN(n) ((n) << 4) |
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#define DWC3_GCTL_SCALEDOWN_MASK DWC3_GCTL_SCALEDOWN(3) |
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#define DWC3_GCTL_DISSCRAMBLE BIT(3) |
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#define DWC3_GCTL_U2EXIT_LFPS BIT(2) |
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#define DWC3_GCTL_GBLHIBERNATIONEN BIT(1) |
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#define DWC3_GCTL_DSBLCLKGTNG BIT(0) |
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/* Global User Control Register */ |
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#define DWC3_GUCTL_HSTINAUTORETRY BIT(14) |
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/* Global User Control 1 Register */ |
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#define DWC3_GUCTL1_PARKMODE_DISABLE_SS BIT(17) |
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#define DWC3_GUCTL1_TX_IPGAP_LINECHECK_DIS BIT(28) |
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#define DWC3_GUCTL1_DEV_L1_EXIT_BY_HW BIT(24) |
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/* Global Status Register */ |
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#define DWC3_GSTS_OTG_IP BIT(10) |
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#define DWC3_GSTS_BC_IP BIT(9) |
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#define DWC3_GSTS_ADP_IP BIT(8) |
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#define DWC3_GSTS_HOST_IP BIT(7) |
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#define DWC3_GSTS_DEVICE_IP BIT(6) |
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#define DWC3_GSTS_CSR_TIMEOUT BIT(5) |
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#define DWC3_GSTS_BUS_ERR_ADDR_VLD BIT(4) |
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#define DWC3_GSTS_CURMOD(n) ((n) & 0x3) |
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#define DWC3_GSTS_CURMOD_DEVICE 0 |
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#define DWC3_GSTS_CURMOD_HOST 1 |
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/* Global USB2 PHY Configuration Register */ |
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#define DWC3_GUSB2PHYCFG_PHYSOFTRST BIT(31) |
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#define DWC3_GUSB2PHYCFG_U2_FREECLK_EXISTS BIT(30) |
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#define DWC3_GUSB2PHYCFG_SUSPHY BIT(6) |
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#define DWC3_GUSB2PHYCFG_ULPI_UTMI BIT(4) |
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#define DWC3_GUSB2PHYCFG_ENBLSLPM BIT(8) |
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#define DWC3_GUSB2PHYCFG_PHYIF(n) (n << 3) |
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#define DWC3_GUSB2PHYCFG_PHYIF_MASK DWC3_GUSB2PHYCFG_PHYIF(1) |
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#define DWC3_GUSB2PHYCFG_USBTRDTIM(n) (n << 10) |
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#define DWC3_GUSB2PHYCFG_USBTRDTIM_MASK DWC3_GUSB2PHYCFG_USBTRDTIM(0xf) |
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#define USBTRDTIM_UTMI_8_BIT 9 |
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#define USBTRDTIM_UTMI_16_BIT 5 |
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#define UTMI_PHYIF_16_BIT 1 |
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#define UTMI_PHYIF_8_BIT 0 |
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/* Global USB2 PHY Vendor Control Register */ |
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#define DWC3_GUSB2PHYACC_NEWREGREQ BIT(25) |
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#define DWC3_GUSB2PHYACC_DONE BIT(24) |
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#define DWC3_GUSB2PHYACC_BUSY BIT(23) |
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#define DWC3_GUSB2PHYACC_WRITE BIT(22) |
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#define DWC3_GUSB2PHYACC_ADDR(n) (n << 16) |
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#define DWC3_GUSB2PHYACC_EXTEND_ADDR(n) (n << 8) |
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#define DWC3_GUSB2PHYACC_DATA(n) (n & 0xff) |
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/* Global USB3 PIPE Control Register */ |
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#define DWC3_GUSB3PIPECTL_PHYSOFTRST BIT(31) |
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#define DWC3_GUSB3PIPECTL_U2SSINP3OK BIT(29) |
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#define DWC3_GUSB3PIPECTL_DISRXDETINP3 BIT(28) |
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#define DWC3_GUSB3PIPECTL_UX_EXIT_PX BIT(27) |
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#define DWC3_GUSB3PIPECTL_REQP1P2P3 BIT(24) |
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#define DWC3_GUSB3PIPECTL_DEP1P2P3(n) ((n) << 19) |
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#define DWC3_GUSB3PIPECTL_DEP1P2P3_MASK DWC3_GUSB3PIPECTL_DEP1P2P3(7) |
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#define DWC3_GUSB3PIPECTL_DEP1P2P3_EN DWC3_GUSB3PIPECTL_DEP1P2P3(1) |
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#define DWC3_GUSB3PIPECTL_DEPOCHANGE BIT(18) |
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#define DWC3_GUSB3PIPECTL_SUSPHY BIT(17) |
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#define DWC3_GUSB3PIPECTL_LFPSFILT BIT(9) |
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#define DWC3_GUSB3PIPECTL_RX_DETOPOLL BIT(8) |
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#define DWC3_GUSB3PIPECTL_TX_DEEPH_MASK DWC3_GUSB3PIPECTL_TX_DEEPH(3) |
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#define DWC3_GUSB3PIPECTL_TX_DEEPH(n) ((n) << 1) |
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/* Global TX Fifo Size Register */ |
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#define DWC31_GTXFIFOSIZ_TXFRAMNUM BIT(15) /* DWC_usb31 only */ |
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#define DWC31_GTXFIFOSIZ_TXFDEP(n) ((n) & 0x7fff) /* DWC_usb31 only */ |
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#define DWC3_GTXFIFOSIZ_TXFDEP(n) ((n) & 0xffff) |
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#define DWC3_GTXFIFOSIZ_TXFSTADDR(n) ((n) & 0xffff0000) |
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/* Global RX Fifo Size Register */ |
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#define DWC31_GRXFIFOSIZ_RXFDEP(n) ((n) & 0x7fff) /* DWC_usb31 only */ |
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#define DWC3_GRXFIFOSIZ_RXFDEP(n) ((n) & 0xffff) |
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/* Global Event Size Registers */ |
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#define DWC3_GEVNTSIZ_INTMASK BIT(31) |
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#define DWC3_GEVNTSIZ_SIZE(n) ((n) & 0xffff) |
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/* Global HWPARAMS0 Register */ |
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#define DWC3_GHWPARAMS0_MODE(n) ((n) & 0x3) |
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#define DWC3_GHWPARAMS0_MODE_GADGET 0 |
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#define DWC3_GHWPARAMS0_MODE_HOST 1 |
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#define DWC3_GHWPARAMS0_MODE_DRD 2 |
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#define DWC3_GHWPARAMS0_MBUS_TYPE(n) (((n) >> 3) & 0x7) |
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#define DWC3_GHWPARAMS0_SBUS_TYPE(n) (((n) >> 6) & 0x3) |
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#define DWC3_GHWPARAMS0_MDWIDTH(n) (((n) >> 8) & 0xff) |
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#define DWC3_GHWPARAMS0_SDWIDTH(n) (((n) >> 16) & 0xff) |
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#define DWC3_GHWPARAMS0_AWIDTH(n) (((n) >> 24) & 0xff) |
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/* Global HWPARAMS1 Register */ |
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#define DWC3_GHWPARAMS1_EN_PWROPT(n) (((n) & (3 << 24)) >> 24) |
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#define DWC3_GHWPARAMS1_EN_PWROPT_NO 0 |
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#define DWC3_GHWPARAMS1_EN_PWROPT_CLK 1 |
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#define DWC3_GHWPARAMS1_EN_PWROPT_HIB 2 |
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#define DWC3_GHWPARAMS1_PWROPT(n) ((n) << 24) |
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#define DWC3_GHWPARAMS1_PWROPT_MASK DWC3_GHWPARAMS1_PWROPT(3) |
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#define DWC3_GHWPARAMS1_ENDBC BIT(31) |
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/* Global HWPARAMS3 Register */ |
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#define DWC3_GHWPARAMS3_SSPHY_IFC(n) ((n) & 3) |
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#define DWC3_GHWPARAMS3_SSPHY_IFC_DIS 0 |
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#define DWC3_GHWPARAMS3_SSPHY_IFC_GEN1 1 |
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#define DWC3_GHWPARAMS3_SSPHY_IFC_GEN2 2 /* DWC_usb31 only */ |
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#define DWC3_GHWPARAMS3_HSPHY_IFC(n) (((n) & (3 << 2)) >> 2) |
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#define DWC3_GHWPARAMS3_HSPHY_IFC_DIS 0 |
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#define DWC3_GHWPARAMS3_HSPHY_IFC_UTMI 1 |
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#define DWC3_GHWPARAMS3_HSPHY_IFC_ULPI 2 |
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#define DWC3_GHWPARAMS3_HSPHY_IFC_UTMI_ULPI 3 |
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#define DWC3_GHWPARAMS3_FSPHY_IFC(n) (((n) & (3 << 4)) >> 4) |
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#define DWC3_GHWPARAMS3_FSPHY_IFC_DIS 0 |
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#define DWC3_GHWPARAMS3_FSPHY_IFC_ENA 1 |
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/* Global HWPARAMS4 Register */ |
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#define DWC3_GHWPARAMS4_HIBER_SCRATCHBUFS(n) (((n) & (0x0f << 13)) >> 13) |
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#define DWC3_MAX_HIBER_SCRATCHBUFS 15 |
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/* Global HWPARAMS6 Register */ |
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#define DWC3_GHWPARAMS6_BCSUPPORT BIT(14) |
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#define DWC3_GHWPARAMS6_OTG3SUPPORT BIT(13) |
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#define DWC3_GHWPARAMS6_ADPSUPPORT BIT(12) |
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#define DWC3_GHWPARAMS6_HNPSUPPORT BIT(11) |
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#define DWC3_GHWPARAMS6_SRPSUPPORT BIT(10) |
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#define DWC3_GHWPARAMS6_EN_FPGA BIT(7) |
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/* DWC_usb32 only */ |
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#define DWC3_GHWPARAMS6_MDWIDTH(n) ((n) & (0x3 << 8)) |
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/* Global HWPARAMS7 Register */ |
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#define DWC3_GHWPARAMS7_RAM1_DEPTH(n) ((n) & 0xffff) |
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#define DWC3_GHWPARAMS7_RAM2_DEPTH(n) (((n) >> 16) & 0xffff) |
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|
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/* Global Frame Length Adjustment Register */ |
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#define DWC3_GFLADJ_30MHZ_SDBND_SEL BIT(7) |
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#define DWC3_GFLADJ_30MHZ_MASK 0x3f |
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/* Global User Control Register 2 */ |
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#define DWC3_GUCTL2_RST_ACTBITLATER BIT(14) |
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/* Global User Control Register 3 */ |
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#define DWC3_GUCTL3_SPLITDISABLE BIT(14) |
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/* Device Configuration Register */ |
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#define DWC3_DCFG_NUMLANES(n) (((n) & 0x3) << 30) /* DWC_usb32 only */ |
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#define DWC3_DCFG_DEVADDR(addr) ((addr) << 3) |
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#define DWC3_DCFG_DEVADDR_MASK DWC3_DCFG_DEVADDR(0x7f) |
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#define DWC3_DCFG_SPEED_MASK (7 << 0) |
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#define DWC3_DCFG_SUPERSPEED_PLUS (5 << 0) /* DWC_usb31 only */ |
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#define DWC3_DCFG_SUPERSPEED (4 << 0) |
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#define DWC3_DCFG_HIGHSPEED (0 << 0) |
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#define DWC3_DCFG_FULLSPEED BIT(0) |
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#define DWC3_DCFG_LOWSPEED (2 << 0) |
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#define DWC3_DCFG_NUMP_SHIFT 17 |
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#define DWC3_DCFG_NUMP(n) (((n) >> DWC3_DCFG_NUMP_SHIFT) & 0x1f) |
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#define DWC3_DCFG_NUMP_MASK (0x1f << DWC3_DCFG_NUMP_SHIFT) |
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#define DWC3_DCFG_LPM_CAP BIT(22) |
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|
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/* Device Control Register */ |
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#define DWC3_DCTL_RUN_STOP BIT(31) |
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#define DWC3_DCTL_CSFTRST BIT(30) |
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#define DWC3_DCTL_LSFTRST BIT(29) |
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#define DWC3_DCTL_HIRD_THRES_MASK (0x1f << 24) |
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#define DWC3_DCTL_HIRD_THRES(n) ((n) << 24) |
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#define DWC3_DCTL_APPL1RES BIT(23) |
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/* These apply for core versions 1.87a and earlier */ |
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#define DWC3_DCTL_TRGTULST_MASK (0x0f << 17) |
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#define DWC3_DCTL_TRGTULST(n) ((n) << 17) |
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#define DWC3_DCTL_TRGTULST_U2 (DWC3_DCTL_TRGTULST(2)) |
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#define DWC3_DCTL_TRGTULST_U3 (DWC3_DCTL_TRGTULST(3)) |
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#define DWC3_DCTL_TRGTULST_SS_DIS (DWC3_DCTL_TRGTULST(4)) |
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#define DWC3_DCTL_TRGTULST_RX_DET (DWC3_DCTL_TRGTULST(5)) |
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#define DWC3_DCTL_TRGTULST_SS_INACT (DWC3_DCTL_TRGTULST(6)) |
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|
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/* These apply for core versions 1.94a and later */ |
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#define DWC3_DCTL_NYET_THRES(n) (((n) & 0xf) << 20) |
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#define DWC3_DCTL_KEEP_CONNECT BIT(19) |
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#define DWC3_DCTL_L1_HIBER_EN BIT(18) |
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#define DWC3_DCTL_CRS BIT(17) |
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#define DWC3_DCTL_CSS BIT(16) |
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#define DWC3_DCTL_INITU2ENA BIT(12) |
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#define DWC3_DCTL_ACCEPTU2ENA BIT(11) |
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#define DWC3_DCTL_INITU1ENA BIT(10) |
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#define DWC3_DCTL_ACCEPTU1ENA BIT(9) |
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#define DWC3_DCTL_TSTCTRL_MASK (0xf << 1) |
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#define DWC3_DCTL_ULSTCHNGREQ_MASK (0x0f << 5) |
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#define DWC3_DCTL_ULSTCHNGREQ(n) (((n) << 5) & DWC3_DCTL_ULSTCHNGREQ_MASK) |
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#define DWC3_DCTL_ULSTCHNG_NO_ACTION (DWC3_DCTL_ULSTCHNGREQ(0)) |
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#define DWC3_DCTL_ULSTCHNG_SS_DISABLED (DWC3_DCTL_ULSTCHNGREQ(4)) |
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#define DWC3_DCTL_ULSTCHNG_RX_DETECT (DWC3_DCTL_ULSTCHNGREQ(5)) |
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#define DWC3_DCTL_ULSTCHNG_SS_INACTIVE (DWC3_DCTL_ULSTCHNGREQ(6)) |
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#define DWC3_DCTL_ULSTCHNG_RECOVERY (DWC3_DCTL_ULSTCHNGREQ(8)) |
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#define DWC3_DCTL_ULSTCHNG_COMPLIANCE (DWC3_DCTL_ULSTCHNGREQ(10)) |
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#define DWC3_DCTL_ULSTCHNG_LOOPBACK (DWC3_DCTL_ULSTCHNGREQ(11)) |
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/* Device Event Enable Register */ |
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#define DWC3_DEVTEN_VNDRDEVTSTRCVEDEN BIT(12) |
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#define DWC3_DEVTEN_EVNTOVERFLOWEN BIT(11) |
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#define DWC3_DEVTEN_CMDCMPLTEN BIT(10) |
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#define DWC3_DEVTEN_ERRTICERREN BIT(9) |
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#define DWC3_DEVTEN_SOFEN BIT(7) |
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#define DWC3_DEVTEN_EOPFEN BIT(6) |
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#define DWC3_DEVTEN_HIBERNATIONREQEVTEN BIT(5) |
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#define DWC3_DEVTEN_WKUPEVTEN BIT(4) |
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#define DWC3_DEVTEN_ULSTCNGEN BIT(3) |
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#define DWC3_DEVTEN_CONNECTDONEEN BIT(2) |
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#define DWC3_DEVTEN_USBRSTEN BIT(1) |
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#define DWC3_DEVTEN_DISCONNEVTEN BIT(0) |
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|
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#define DWC3_DSTS_CONNLANES(n) (((n) >> 30) & 0x3) /* DWC_usb32 only */ |
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|
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/* Device Status Register */ |
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#define DWC3_DSTS_DCNRD BIT(29) |
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|
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/* This applies for core versions 1.87a and earlier */ |
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#define DWC3_DSTS_PWRUPREQ BIT(24) |
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/* These apply for core versions 1.94a and later */ |
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#define DWC3_DSTS_RSS BIT(25) |
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#define DWC3_DSTS_SSS BIT(24) |
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|
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#define DWC3_DSTS_COREIDLE BIT(23) |
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#define DWC3_DSTS_DEVCTRLHLT BIT(22) |
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|
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#define DWC3_DSTS_USBLNKST_MASK (0x0f << 18) |
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#define DWC3_DSTS_USBLNKST(n) (((n) & DWC3_DSTS_USBLNKST_MASK) >> 18) |
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|
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#define DWC3_DSTS_RXFIFOEMPTY BIT(17) |
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#define DWC3_DSTS_SOFFN_MASK (0x3fff << 3) |
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#define DWC3_DSTS_SOFFN(n) (((n) & DWC3_DSTS_SOFFN_MASK) >> 3) |
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|
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#define DWC3_DSTS_CONNECTSPD (7 << 0) |
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|
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#define DWC3_DSTS_SUPERSPEED_PLUS (5 << 0) /* DWC_usb31 only */ |
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#define DWC3_DSTS_SUPERSPEED (4 << 0) |
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#define DWC3_DSTS_HIGHSPEED (0 << 0) |
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#define DWC3_DSTS_FULLSPEED BIT(0) |
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#define DWC3_DSTS_LOWSPEED (2 << 0) |
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|
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/* Device Generic Command Register */ |
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#define DWC3_DGCMD_SET_LMP 0x01 |
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#define DWC3_DGCMD_SET_PERIODIC_PAR 0x02 |
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#define DWC3_DGCMD_XMIT_FUNCTION 0x03 |
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|
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/* These apply for core versions 1.94a and later */ |
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#define DWC3_DGCMD_SET_SCRATCHPAD_ADDR_LO 0x04 |
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#define DWC3_DGCMD_SET_SCRATCHPAD_ADDR_HI 0x05 |
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|
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#define DWC3_DGCMD_SELECTED_FIFO_FLUSH 0x09 |
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#define DWC3_DGCMD_ALL_FIFO_FLUSH 0x0a |
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#define DWC3_DGCMD_SET_ENDPOINT_NRDY 0x0c |
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#define DWC3_DGCMD_SET_ENDPOINT_PRIME 0x0d |
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#define DWC3_DGCMD_RUN_SOC_BUS_LOOPBACK 0x10 |
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|
|
#define DWC3_DGCMD_STATUS(n) (((n) >> 12) & 0x0F) |
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#define DWC3_DGCMD_CMDACT BIT(10) |
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#define DWC3_DGCMD_CMDIOC BIT(8) |
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|
|
/* Device Generic Command Parameter Register */ |
|
#define DWC3_DGCMDPAR_FORCE_LINKPM_ACCEPT BIT(0) |
|
#define DWC3_DGCMDPAR_FIFO_NUM(n) ((n) << 0) |
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#define DWC3_DGCMDPAR_RX_FIFO (0 << 5) |
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#define DWC3_DGCMDPAR_TX_FIFO BIT(5) |
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#define DWC3_DGCMDPAR_LOOPBACK_DIS (0 << 0) |
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#define DWC3_DGCMDPAR_LOOPBACK_ENA BIT(0) |
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|
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/* Device Endpoint Command Register */ |
|
#define DWC3_DEPCMD_PARAM_SHIFT 16 |
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#define DWC3_DEPCMD_PARAM(x) ((x) << DWC3_DEPCMD_PARAM_SHIFT) |
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#define DWC3_DEPCMD_GET_RSC_IDX(x) (((x) >> DWC3_DEPCMD_PARAM_SHIFT) & 0x7f) |
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#define DWC3_DEPCMD_STATUS(x) (((x) >> 12) & 0x0F) |
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#define DWC3_DEPCMD_HIPRI_FORCERM BIT(11) |
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#define DWC3_DEPCMD_CLEARPENDIN BIT(11) |
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#define DWC3_DEPCMD_CMDACT BIT(10) |
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#define DWC3_DEPCMD_CMDIOC BIT(8) |
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#define DWC3_DEPCMD_DEPSTARTCFG (0x09 << 0) |
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#define DWC3_DEPCMD_ENDTRANSFER (0x08 << 0) |
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#define DWC3_DEPCMD_UPDATETRANSFER (0x07 << 0) |
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#define DWC3_DEPCMD_STARTTRANSFER (0x06 << 0) |
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#define DWC3_DEPCMD_CLEARSTALL (0x05 << 0) |
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#define DWC3_DEPCMD_SETSTALL (0x04 << 0) |
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/* This applies for core versions 1.90a and earlier */ |
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#define DWC3_DEPCMD_GETSEQNUMBER (0x03 << 0) |
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/* This applies for core versions 1.94a and later */ |
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#define DWC3_DEPCMD_GETEPSTATE (0x03 << 0) |
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#define DWC3_DEPCMD_SETTRANSFRESOURCE (0x02 << 0) |
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#define DWC3_DEPCMD_SETEPCONFIG (0x01 << 0) |
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#define DWC3_DEPCMD_CMD(x) ((x) & 0xf) |
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/* The EP number goes 0..31 so ep0 is always out and ep1 is always in */ |
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#define DWC3_DALEPENA_EP(n) BIT(n) |
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#define DWC3_DEPCMD_TYPE_CONTROL 0 |
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#define DWC3_DEPCMD_TYPE_ISOC 1 |
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#define DWC3_DEPCMD_TYPE_BULK 2 |
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#define DWC3_DEPCMD_TYPE_INTR 3 |
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|
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#define DWC3_DEV_IMOD_COUNT_SHIFT 16 |
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#define DWC3_DEV_IMOD_COUNT_MASK (0xffff << 16) |
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#define DWC3_DEV_IMOD_INTERVAL_SHIFT 0 |
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#define DWC3_DEV_IMOD_INTERVAL_MASK (0xffff << 0) |
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|
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/* OTG Configuration Register */ |
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#define DWC3_OCFG_DISPWRCUTTOFF BIT(5) |
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#define DWC3_OCFG_HIBDISMASK BIT(4) |
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#define DWC3_OCFG_SFTRSTMASK BIT(3) |
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#define DWC3_OCFG_OTGVERSION BIT(2) |
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#define DWC3_OCFG_HNPCAP BIT(1) |
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#define DWC3_OCFG_SRPCAP BIT(0) |
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|
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/* OTG CTL Register */ |
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#define DWC3_OCTL_OTG3GOERR BIT(7) |
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#define DWC3_OCTL_PERIMODE BIT(6) |
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#define DWC3_OCTL_PRTPWRCTL BIT(5) |
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#define DWC3_OCTL_HNPREQ BIT(4) |
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#define DWC3_OCTL_SESREQ BIT(3) |
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#define DWC3_OCTL_TERMSELIDPULSE BIT(2) |
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#define DWC3_OCTL_DEVSETHNPEN BIT(1) |
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#define DWC3_OCTL_HSTSETHNPEN BIT(0) |
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|
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/* OTG Event Register */ |
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#define DWC3_OEVT_DEVICEMODE BIT(31) |
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#define DWC3_OEVT_XHCIRUNSTPSET BIT(27) |
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#define DWC3_OEVT_DEVRUNSTPSET BIT(26) |
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#define DWC3_OEVT_HIBENTRY BIT(25) |
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#define DWC3_OEVT_CONIDSTSCHNG BIT(24) |
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#define DWC3_OEVT_HRRCONFNOTIF BIT(23) |
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#define DWC3_OEVT_HRRINITNOTIF BIT(22) |
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#define DWC3_OEVT_ADEVIDLE BIT(21) |
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#define DWC3_OEVT_ADEVBHOSTEND BIT(20) |
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#define DWC3_OEVT_ADEVHOST BIT(19) |
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#define DWC3_OEVT_ADEVHNPCHNG BIT(18) |
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#define DWC3_OEVT_ADEVSRPDET BIT(17) |
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#define DWC3_OEVT_ADEVSESSENDDET BIT(16) |
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#define DWC3_OEVT_BDEVBHOSTEND BIT(11) |
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#define DWC3_OEVT_BDEVHNPCHNG BIT(10) |
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#define DWC3_OEVT_BDEVSESSVLDDET BIT(9) |
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#define DWC3_OEVT_BDEVVBUSCHNG BIT(8) |
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#define DWC3_OEVT_BSESSVLD BIT(3) |
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#define DWC3_OEVT_HSTNEGSTS BIT(2) |
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#define DWC3_OEVT_SESREQSTS BIT(1) |
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#define DWC3_OEVT_ERROR BIT(0) |
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/* OTG Event Enable Register */ |
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#define DWC3_OEVTEN_XHCIRUNSTPSETEN BIT(27) |
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#define DWC3_OEVTEN_DEVRUNSTPSETEN BIT(26) |
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#define DWC3_OEVTEN_HIBENTRYEN BIT(25) |
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#define DWC3_OEVTEN_CONIDSTSCHNGEN BIT(24) |
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#define DWC3_OEVTEN_HRRCONFNOTIFEN BIT(23) |
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#define DWC3_OEVTEN_HRRINITNOTIFEN BIT(22) |
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#define DWC3_OEVTEN_ADEVIDLEEN BIT(21) |
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#define DWC3_OEVTEN_ADEVBHOSTENDEN BIT(20) |
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#define DWC3_OEVTEN_ADEVHOSTEN BIT(19) |
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#define DWC3_OEVTEN_ADEVHNPCHNGEN BIT(18) |
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#define DWC3_OEVTEN_ADEVSRPDETEN BIT(17) |
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#define DWC3_OEVTEN_ADEVSESSENDDETEN BIT(16) |
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#define DWC3_OEVTEN_BDEVBHOSTENDEN BIT(11) |
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#define DWC3_OEVTEN_BDEVHNPCHNGEN BIT(10) |
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#define DWC3_OEVTEN_BDEVSESSVLDDETEN BIT(9) |
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#define DWC3_OEVTEN_BDEVVBUSCHNGEN BIT(8) |
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/* OTG Status Register */ |
|
#define DWC3_OSTS_DEVRUNSTP BIT(13) |
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#define DWC3_OSTS_XHCIRUNSTP BIT(12) |
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#define DWC3_OSTS_PERIPHERALSTATE BIT(4) |
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#define DWC3_OSTS_XHCIPRTPOWER BIT(3) |
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#define DWC3_OSTS_BSESVLD BIT(2) |
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#define DWC3_OSTS_VBUSVLD BIT(1) |
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#define DWC3_OSTS_CONIDSTS BIT(0) |
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|
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/* Structures */ |
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|
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struct dwc3_trb; |
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|
|
/** |
|
* struct dwc3_event_buffer - Software event buffer representation |
|
* @buf: _THE_ buffer |
|
* @cache: The buffer cache used in the threaded interrupt |
|
* @length: size of this buffer |
|
* @lpos: event offset |
|
* @count: cache of last read event count register |
|
* @flags: flags related to this event buffer |
|
* @dma: dma_addr_t |
|
* @dwc: pointer to DWC controller |
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*/ |
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struct dwc3_event_buffer { |
|
void *buf; |
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void *cache; |
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unsigned int length; |
|
unsigned int lpos; |
|
unsigned int count; |
|
unsigned int flags; |
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|
|
#define DWC3_EVENT_PENDING BIT(0) |
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|
|
dma_addr_t dma; |
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|
|
struct dwc3 *dwc; |
|
}; |
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|
|
#define DWC3_EP_FLAG_STALLED BIT(0) |
|
#define DWC3_EP_FLAG_WEDGED BIT(1) |
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|
|
#define DWC3_EP_DIRECTION_TX true |
|
#define DWC3_EP_DIRECTION_RX false |
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|
|
#define DWC3_TRB_NUM 256 |
|
|
|
/** |
|
* struct dwc3_ep - device side endpoint representation |
|
* @endpoint: usb endpoint |
|
* @cancelled_list: list of cancelled requests for this endpoint |
|
* @pending_list: list of pending requests for this endpoint |
|
* @started_list: list of started requests on this endpoint |
|
* @regs: pointer to first endpoint register |
|
* @trb_pool: array of transaction buffers |
|
* @trb_pool_dma: dma address of @trb_pool |
|
* @trb_enqueue: enqueue 'pointer' into TRB array |
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* @trb_dequeue: dequeue 'pointer' into TRB array |
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* @dwc: pointer to DWC controller |
|
* @saved_state: ep state saved during hibernation |
|
* @flags: endpoint flags (wedged, stalled, ...) |
|
* @number: endpoint number (1 - 15) |
|
* @type: set to bmAttributes & USB_ENDPOINT_XFERTYPE_MASK |
|
* @resource_index: Resource transfer index |
|
* @frame_number: set to the frame number we want this transfer to start (ISOC) |
|
* @interval: the interval on which the ISOC transfer is started |
|
* @name: a human readable name e.g. ep1out-bulk |
|
* @direction: true for TX, false for RX |
|
* @stream_capable: true when streams are enabled |
|
* @combo_num: the test combination BIT[15:14] of the frame number to test |
|
* isochronous START TRANSFER command failure workaround |
|
* @start_cmd_status: the status of testing START TRANSFER command with |
|
* combo_num = 'b00 |
|
*/ |
|
struct dwc3_ep { |
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struct usb_ep endpoint; |
|
struct list_head cancelled_list; |
|
struct list_head pending_list; |
|
struct list_head started_list; |
|
|
|
void __iomem *regs; |
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|
|
struct dwc3_trb *trb_pool; |
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dma_addr_t trb_pool_dma; |
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struct dwc3 *dwc; |
|
|
|
u32 saved_state; |
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unsigned int flags; |
|
#define DWC3_EP_ENABLED BIT(0) |
|
#define DWC3_EP_STALL BIT(1) |
|
#define DWC3_EP_WEDGE BIT(2) |
|
#define DWC3_EP_TRANSFER_STARTED BIT(3) |
|
#define DWC3_EP_END_TRANSFER_PENDING BIT(4) |
|
#define DWC3_EP_PENDING_REQUEST BIT(5) |
|
#define DWC3_EP_DELAY_START BIT(6) |
|
#define DWC3_EP_WAIT_TRANSFER_COMPLETE BIT(7) |
|
#define DWC3_EP_IGNORE_NEXT_NOSTREAM BIT(8) |
|
#define DWC3_EP_FORCE_RESTART_STREAM BIT(9) |
|
#define DWC3_EP_FIRST_STREAM_PRIMED BIT(10) |
|
#define DWC3_EP_PENDING_CLEAR_STALL BIT(11) |
|
|
|
/* This last one is specific to EP0 */ |
|
#define DWC3_EP0_DIR_IN BIT(31) |
|
|
|
/* |
|
* IMPORTANT: we *know* we have 256 TRBs in our @trb_pool, so we will |
|
* use a u8 type here. If anybody decides to increase number of TRBs to |
|
* anything larger than 256 - I can't see why people would want to do |
|
* this though - then this type needs to be changed. |
|
* |
|
* By using u8 types we ensure that our % operator when incrementing |
|
* enqueue and dequeue get optimized away by the compiler. |
|
*/ |
|
u8 trb_enqueue; |
|
u8 trb_dequeue; |
|
|
|
u8 number; |
|
u8 type; |
|
u8 resource_index; |
|
u32 frame_number; |
|
u32 interval; |
|
|
|
char name[20]; |
|
|
|
unsigned direction:1; |
|
unsigned stream_capable:1; |
|
|
|
/* For isochronous START TRANSFER workaround only */ |
|
u8 combo_num; |
|
int start_cmd_status; |
|
}; |
|
|
|
enum dwc3_phy { |
|
DWC3_PHY_UNKNOWN = 0, |
|
DWC3_PHY_USB3, |
|
DWC3_PHY_USB2, |
|
}; |
|
|
|
enum dwc3_ep0_next { |
|
DWC3_EP0_UNKNOWN = 0, |
|
DWC3_EP0_COMPLETE, |
|
DWC3_EP0_NRDY_DATA, |
|
DWC3_EP0_NRDY_STATUS, |
|
}; |
|
|
|
enum dwc3_ep0_state { |
|
EP0_UNCONNECTED = 0, |
|
EP0_SETUP_PHASE, |
|
EP0_DATA_PHASE, |
|
EP0_STATUS_PHASE, |
|
}; |
|
|
|
enum dwc3_link_state { |
|
/* In SuperSpeed */ |
|
DWC3_LINK_STATE_U0 = 0x00, /* in HS, means ON */ |
|
DWC3_LINK_STATE_U1 = 0x01, |
|
DWC3_LINK_STATE_U2 = 0x02, /* in HS, means SLEEP */ |
|
DWC3_LINK_STATE_U3 = 0x03, /* in HS, means SUSPEND */ |
|
DWC3_LINK_STATE_SS_DIS = 0x04, |
|
DWC3_LINK_STATE_RX_DET = 0x05, /* in HS, means Early Suspend */ |
|
DWC3_LINK_STATE_SS_INACT = 0x06, |
|
DWC3_LINK_STATE_POLL = 0x07, |
|
DWC3_LINK_STATE_RECOV = 0x08, |
|
DWC3_LINK_STATE_HRESET = 0x09, |
|
DWC3_LINK_STATE_CMPLY = 0x0a, |
|
DWC3_LINK_STATE_LPBK = 0x0b, |
|
DWC3_LINK_STATE_RESET = 0x0e, |
|
DWC3_LINK_STATE_RESUME = 0x0f, |
|
DWC3_LINK_STATE_MASK = 0x0f, |
|
}; |
|
|
|
/* TRB Length, PCM and Status */ |
|
#define DWC3_TRB_SIZE_MASK (0x00ffffff) |
|
#define DWC3_TRB_SIZE_LENGTH(n) ((n) & DWC3_TRB_SIZE_MASK) |
|
#define DWC3_TRB_SIZE_PCM1(n) (((n) & 0x03) << 24) |
|
#define DWC3_TRB_SIZE_TRBSTS(n) (((n) & (0x0f << 28)) >> 28) |
|
|
|
#define DWC3_TRBSTS_OK 0 |
|
#define DWC3_TRBSTS_MISSED_ISOC 1 |
|
#define DWC3_TRBSTS_SETUP_PENDING 2 |
|
#define DWC3_TRB_STS_XFER_IN_PROG 4 |
|
|
|
/* TRB Control */ |
|
#define DWC3_TRB_CTRL_HWO BIT(0) |
|
#define DWC3_TRB_CTRL_LST BIT(1) |
|
#define DWC3_TRB_CTRL_CHN BIT(2) |
|
#define DWC3_TRB_CTRL_CSP BIT(3) |
|
#define DWC3_TRB_CTRL_TRBCTL(n) (((n) & 0x3f) << 4) |
|
#define DWC3_TRB_CTRL_ISP_IMI BIT(10) |
|
#define DWC3_TRB_CTRL_IOC BIT(11) |
|
#define DWC3_TRB_CTRL_SID_SOFN(n) (((n) & 0xffff) << 14) |
|
#define DWC3_TRB_CTRL_GET_SID_SOFN(n) (((n) & (0xffff << 14)) >> 14) |
|
|
|
#define DWC3_TRBCTL_TYPE(n) ((n) & (0x3f << 4)) |
|
#define DWC3_TRBCTL_NORMAL DWC3_TRB_CTRL_TRBCTL(1) |
|
#define DWC3_TRBCTL_CONTROL_SETUP DWC3_TRB_CTRL_TRBCTL(2) |
|
#define DWC3_TRBCTL_CONTROL_STATUS2 DWC3_TRB_CTRL_TRBCTL(3) |
|
#define DWC3_TRBCTL_CONTROL_STATUS3 DWC3_TRB_CTRL_TRBCTL(4) |
|
#define DWC3_TRBCTL_CONTROL_DATA DWC3_TRB_CTRL_TRBCTL(5) |
|
#define DWC3_TRBCTL_ISOCHRONOUS_FIRST DWC3_TRB_CTRL_TRBCTL(6) |
|
#define DWC3_TRBCTL_ISOCHRONOUS DWC3_TRB_CTRL_TRBCTL(7) |
|
#define DWC3_TRBCTL_LINK_TRB DWC3_TRB_CTRL_TRBCTL(8) |
|
|
|
/** |
|
* struct dwc3_trb - transfer request block (hw format) |
|
* @bpl: DW0-3 |
|
* @bph: DW4-7 |
|
* @size: DW8-B |
|
* @ctrl: DWC-F |
|
*/ |
|
struct dwc3_trb { |
|
u32 bpl; |
|
u32 bph; |
|
u32 size; |
|
u32 ctrl; |
|
} __packed; |
|
|
|
/** |
|
* struct dwc3_hwparams - copy of HWPARAMS registers |
|
* @hwparams0: GHWPARAMS0 |
|
* @hwparams1: GHWPARAMS1 |
|
* @hwparams2: GHWPARAMS2 |
|
* @hwparams3: GHWPARAMS3 |
|
* @hwparams4: GHWPARAMS4 |
|
* @hwparams5: GHWPARAMS5 |
|
* @hwparams6: GHWPARAMS6 |
|
* @hwparams7: GHWPARAMS7 |
|
* @hwparams8: GHWPARAMS8 |
|
*/ |
|
struct dwc3_hwparams { |
|
u32 hwparams0; |
|
u32 hwparams1; |
|
u32 hwparams2; |
|
u32 hwparams3; |
|
u32 hwparams4; |
|
u32 hwparams5; |
|
u32 hwparams6; |
|
u32 hwparams7; |
|
u32 hwparams8; |
|
}; |
|
|
|
/* HWPARAMS0 */ |
|
#define DWC3_MODE(n) ((n) & 0x7) |
|
|
|
#define DWC3_MDWIDTH(n) (((n) & 0xff00) >> 8) |
|
|
|
/* HWPARAMS1 */ |
|
#define DWC3_NUM_INT(n) (((n) & (0x3f << 15)) >> 15) |
|
|
|
/* HWPARAMS3 */ |
|
#define DWC3_NUM_IN_EPS_MASK (0x1f << 18) |
|
#define DWC3_NUM_EPS_MASK (0x3f << 12) |
|
#define DWC3_NUM_EPS(p) (((p)->hwparams3 & \ |
|
(DWC3_NUM_EPS_MASK)) >> 12) |
|
#define DWC3_NUM_IN_EPS(p) (((p)->hwparams3 & \ |
|
(DWC3_NUM_IN_EPS_MASK)) >> 18) |
|
|
|
/* HWPARAMS7 */ |
|
#define DWC3_RAM1_DEPTH(n) ((n) & 0xffff) |
|
|
|
/** |
|
* struct dwc3_request - representation of a transfer request |
|
* @request: struct usb_request to be transferred |
|
* @list: a list_head used for request queueing |
|
* @dep: struct dwc3_ep owning this request |
|
* @sg: pointer to first incomplete sg |
|
* @start_sg: pointer to the sg which should be queued next |
|
* @num_pending_sgs: counter to pending sgs |
|
* @num_queued_sgs: counter to the number of sgs which already got queued |
|
* @remaining: amount of data remaining |
|
* @status: internal dwc3 request status tracking |
|
* @epnum: endpoint number to which this request refers |
|
* @trb: pointer to struct dwc3_trb |
|
* @trb_dma: DMA address of @trb |
|
* @num_trbs: number of TRBs used by this request |
|
* @needs_extra_trb: true when request needs one extra TRB (either due to ZLP |
|
* or unaligned OUT) |
|
* @direction: IN or OUT direction flag |
|
* @mapped: true when request has been dma-mapped |
|
*/ |
|
struct dwc3_request { |
|
struct usb_request request; |
|
struct list_head list; |
|
struct dwc3_ep *dep; |
|
struct scatterlist *sg; |
|
struct scatterlist *start_sg; |
|
|
|
unsigned int num_pending_sgs; |
|
unsigned int num_queued_sgs; |
|
unsigned int remaining; |
|
|
|
unsigned int status; |
|
#define DWC3_REQUEST_STATUS_QUEUED 0 |
|
#define DWC3_REQUEST_STATUS_STARTED 1 |
|
#define DWC3_REQUEST_STATUS_CANCELLED 2 |
|
#define DWC3_REQUEST_STATUS_COMPLETED 3 |
|
#define DWC3_REQUEST_STATUS_UNKNOWN -1 |
|
|
|
u8 epnum; |
|
struct dwc3_trb *trb; |
|
dma_addr_t trb_dma; |
|
|
|
unsigned int num_trbs; |
|
|
|
unsigned int needs_extra_trb:1; |
|
unsigned int direction:1; |
|
unsigned int mapped:1; |
|
}; |
|
|
|
/* |
|
* struct dwc3_scratchpad_array - hibernation scratchpad array |
|
* (format defined by hw) |
|
*/ |
|
struct dwc3_scratchpad_array { |
|
__le64 dma_adr[DWC3_MAX_HIBER_SCRATCHBUFS]; |
|
}; |
|
|
|
/** |
|
* struct dwc3 - representation of our controller |
|
* @drd_work: workqueue used for role swapping |
|
* @ep0_trb: trb which is used for the ctrl_req |
|
* @bounce: address of bounce buffer |
|
* @scratchbuf: address of scratch buffer |
|
* @setup_buf: used while precessing STD USB requests |
|
* @ep0_trb_addr: dma address of @ep0_trb |
|
* @bounce_addr: dma address of @bounce |
|
* @ep0_usb_req: dummy req used while handling STD USB requests |
|
* @scratch_addr: dma address of scratchbuf |
|
* @ep0_in_setup: one control transfer is completed and enter setup phase |
|
* @lock: for synchronizing |
|
* @mutex: for mode switching |
|
* @dev: pointer to our struct device |
|
* @sysdev: pointer to the DMA-capable device |
|
* @xhci: pointer to our xHCI child |
|
* @xhci_resources: struct resources for our @xhci child |
|
* @ev_buf: struct dwc3_event_buffer pointer |
|
* @eps: endpoint array |
|
* @gadget: device side representation of the peripheral controller |
|
* @gadget_driver: pointer to the gadget driver |
|
* @clks: array of clocks |
|
* @num_clks: number of clocks |
|
* @reset: reset control |
|
* @regs: base address for our registers |
|
* @regs_size: address space size |
|
* @fladj: frame length adjustment |
|
* @irq_gadget: peripheral controller's IRQ number |
|
* @otg_irq: IRQ number for OTG IRQs |
|
* @current_otg_role: current role of operation while using the OTG block |
|
* @desired_otg_role: desired role of operation while using the OTG block |
|
* @otg_restart_host: flag that OTG controller needs to restart host |
|
* @nr_scratch: number of scratch buffers |
|
* @u1u2: only used on revisions <1.83a for workaround |
|
* @maximum_speed: maximum speed requested (mainly for testing purposes) |
|
* @max_ssp_rate: SuperSpeed Plus maximum signaling rate and lane count |
|
* @gadget_max_speed: maximum gadget speed requested |
|
* @gadget_ssp_rate: Gadget driver's maximum supported SuperSpeed Plus signaling |
|
* rate and lane count. |
|
* @ip: controller's ID |
|
* @revision: controller's version of an IP |
|
* @version_type: VERSIONTYPE register contents, a sub release of a revision |
|
* @dr_mode: requested mode of operation |
|
* @current_dr_role: current role of operation when in dual-role mode |
|
* @desired_dr_role: desired role of operation when in dual-role mode |
|
* @edev: extcon handle |
|
* @edev_nb: extcon notifier |
|
* @hsphy_mode: UTMI phy mode, one of following: |
|
* - USBPHY_INTERFACE_MODE_UTMI |
|
* - USBPHY_INTERFACE_MODE_UTMIW |
|
* @role_sw: usb_role_switch handle |
|
* @role_switch_default_mode: default operation mode of controller while |
|
* usb role is USB_ROLE_NONE. |
|
* @usb2_phy: pointer to USB2 PHY |
|
* @usb3_phy: pointer to USB3 PHY |
|
* @usb2_generic_phy: pointer to USB2 PHY |
|
* @usb3_generic_phy: pointer to USB3 PHY |
|
* @phys_ready: flag to indicate that PHYs are ready |
|
* @ulpi: pointer to ulpi interface |
|
* @ulpi_ready: flag to indicate that ULPI is initialized |
|
* @u2sel: parameter from Set SEL request. |
|
* @u2pel: parameter from Set SEL request. |
|
* @u1sel: parameter from Set SEL request. |
|
* @u1pel: parameter from Set SEL request. |
|
* @num_eps: number of endpoints |
|
* @ep0_next_event: hold the next expected event |
|
* @ep0state: state of endpoint zero |
|
* @link_state: link state |
|
* @speed: device speed (super, high, full, low) |
|
* @hwparams: copy of hwparams registers |
|
* @root: debugfs root folder pointer |
|
* @regset: debugfs pointer to regdump file |
|
* @dbg_lsp_select: current debug lsp mux register selection |
|
* @test_mode: true when we're entering a USB test mode |
|
* @test_mode_nr: test feature selector |
|
* @lpm_nyet_threshold: LPM NYET response threshold |
|
* @hird_threshold: HIRD threshold |
|
* @rx_thr_num_pkt_prd: periodic ESS receive packet count |
|
* @rx_max_burst_prd: max periodic ESS receive burst size |
|
* @tx_thr_num_pkt_prd: periodic ESS transmit packet count |
|
* @tx_max_burst_prd: max periodic ESS transmit burst size |
|
* @hsphy_interface: "utmi" or "ulpi" |
|
* @connected: true when we're connected to a host, false otherwise |
|
* @delayed_status: true when gadget driver asks for delayed status |
|
* @ep0_bounced: true when we used bounce buffer |
|
* @ep0_expect_in: true when we expect a DATA IN transfer |
|
* @has_hibernation: true when dwc3 was configured with Hibernation |
|
* @sysdev_is_parent: true when dwc3 device has a parent driver |
|
* @has_lpm_erratum: true when core was configured with LPM Erratum. Note that |
|
* there's now way for software to detect this in runtime. |
|
* @is_utmi_l1_suspend: the core asserts output signal |
|
* 0 - utmi_sleep_n |
|
* 1 - utmi_l1_suspend_n |
|
* @is_fpga: true when we are using the FPGA board |
|
* @pending_events: true when we have pending IRQs to be handled |
|
* @pullups_connected: true when Run/Stop bit is set |
|
* @setup_packet_pending: true when there's a Setup Packet in FIFO. Workaround |
|
* @three_stage_setup: set if we perform a three phase setup |
|
* @dis_start_transfer_quirk: set if start_transfer failure SW workaround is |
|
* not needed for DWC_usb31 version 1.70a-ea06 and below |
|
* @usb3_lpm_capable: set if hadrware supports Link Power Management |
|
* @usb2_lpm_disable: set to disable usb2 lpm for host |
|
* @usb2_gadget_lpm_disable: set to disable usb2 lpm for gadget |
|
* @disable_scramble_quirk: set if we enable the disable scramble quirk |
|
* @u2exit_lfps_quirk: set if we enable u2exit lfps quirk |
|
* @u2ss_inp3_quirk: set if we enable P3 OK for U2/SS Inactive quirk |
|
* @req_p1p2p3_quirk: set if we enable request p1p2p3 quirk |
|
* @del_p1p2p3_quirk: set if we enable delay p1p2p3 quirk |
|
* @del_phy_power_chg_quirk: set if we enable delay phy power change quirk |
|
* @lfps_filter_quirk: set if we enable LFPS filter quirk |
|
* @rx_detect_poll_quirk: set if we enable rx_detect to polling lfps quirk |
|
* @dis_u3_susphy_quirk: set if we disable usb3 suspend phy |
|
* @dis_u2_susphy_quirk: set if we disable usb2 suspend phy |
|
* @dis_enblslpm_quirk: set if we clear enblslpm in GUSB2PHYCFG, |
|
* disabling the suspend signal to the PHY. |
|
* @dis_u1_entry_quirk: set if link entering into U1 state needs to be disabled. |
|
* @dis_u2_entry_quirk: set if link entering into U2 state needs to be disabled. |
|
* @dis_rxdet_inp3_quirk: set if we disable Rx.Detect in P3 |
|
* @dis_u2_freeclk_exists_quirk : set if we clear u2_freeclk_exists |
|
* in GUSB2PHYCFG, specify that USB2 PHY doesn't |
|
* provide a free-running PHY clock. |
|
* @dis_del_phy_power_chg_quirk: set if we disable delay phy power |
|
* change quirk. |
|
* @dis_tx_ipgap_linecheck_quirk: set if we disable u2mac linestate |
|
* check during HS transmit. |
|
* @parkmode_disable_ss_quirk: set if we need to disable all SuperSpeed |
|
* instances in park mode. |
|
* @tx_de_emphasis_quirk: set if we enable Tx de-emphasis quirk |
|
* @tx_de_emphasis: Tx de-emphasis value |
|
* 0 - -6dB de-emphasis |
|
* 1 - -3.5dB de-emphasis |
|
* 2 - No de-emphasis |
|
* 3 - Reserved |
|
* @dis_metastability_quirk: set to disable metastability quirk. |
|
* @dis_split_quirk: set to disable split boundary. |
|
* @imod_interval: set the interrupt moderation interval in 250ns |
|
* increments or 0 to disable. |
|
*/ |
|
struct dwc3 { |
|
struct work_struct drd_work; |
|
struct dwc3_trb *ep0_trb; |
|
void *bounce; |
|
void *scratchbuf; |
|
u8 *setup_buf; |
|
dma_addr_t ep0_trb_addr; |
|
dma_addr_t bounce_addr; |
|
dma_addr_t scratch_addr; |
|
struct dwc3_request ep0_usb_req; |
|
struct completion ep0_in_setup; |
|
|
|
/* device lock */ |
|
spinlock_t lock; |
|
|
|
/* mode switching lock */ |
|
struct mutex mutex; |
|
|
|
struct device *dev; |
|
struct device *sysdev; |
|
|
|
struct platform_device *xhci; |
|
struct resource xhci_resources[DWC3_XHCI_RESOURCES_NUM]; |
|
|
|
struct dwc3_event_buffer *ev_buf; |
|
struct dwc3_ep *eps[DWC3_ENDPOINTS_NUM]; |
|
|
|
struct usb_gadget *gadget; |
|
struct usb_gadget_driver *gadget_driver; |
|
|
|
struct clk_bulk_data *clks; |
|
int num_clks; |
|
|
|
struct reset_control *reset; |
|
|
|
struct usb_phy *usb2_phy; |
|
struct usb_phy *usb3_phy; |
|
|
|
struct phy *usb2_generic_phy; |
|
struct phy *usb3_generic_phy; |
|
|
|
bool phys_ready; |
|
|
|
struct ulpi *ulpi; |
|
bool ulpi_ready; |
|
|
|
void __iomem *regs; |
|
size_t regs_size; |
|
|
|
enum usb_dr_mode dr_mode; |
|
u32 current_dr_role; |
|
u32 desired_dr_role; |
|
struct extcon_dev *edev; |
|
struct notifier_block edev_nb; |
|
enum usb_phy_interface hsphy_mode; |
|
struct usb_role_switch *role_sw; |
|
enum usb_dr_mode role_switch_default_mode; |
|
|
|
u32 fladj; |
|
u32 irq_gadget; |
|
u32 otg_irq; |
|
u32 current_otg_role; |
|
u32 desired_otg_role; |
|
bool otg_restart_host; |
|
u32 nr_scratch; |
|
u32 u1u2; |
|
u32 maximum_speed; |
|
u32 gadget_max_speed; |
|
enum usb_ssp_rate max_ssp_rate; |
|
enum usb_ssp_rate gadget_ssp_rate; |
|
|
|
u32 ip; |
|
|
|
#define DWC3_IP 0x5533 |
|
#define DWC31_IP 0x3331 |
|
#define DWC32_IP 0x3332 |
|
|
|
u32 revision; |
|
|
|
#define DWC3_REVISION_ANY 0x0 |
|
#define DWC3_REVISION_173A 0x5533173a |
|
#define DWC3_REVISION_175A 0x5533175a |
|
#define DWC3_REVISION_180A 0x5533180a |
|
#define DWC3_REVISION_183A 0x5533183a |
|
#define DWC3_REVISION_185A 0x5533185a |
|
#define DWC3_REVISION_187A 0x5533187a |
|
#define DWC3_REVISION_188A 0x5533188a |
|
#define DWC3_REVISION_190A 0x5533190a |
|
#define DWC3_REVISION_194A 0x5533194a |
|
#define DWC3_REVISION_200A 0x5533200a |
|
#define DWC3_REVISION_202A 0x5533202a |
|
#define DWC3_REVISION_210A 0x5533210a |
|
#define DWC3_REVISION_220A 0x5533220a |
|
#define DWC3_REVISION_230A 0x5533230a |
|
#define DWC3_REVISION_240A 0x5533240a |
|
#define DWC3_REVISION_250A 0x5533250a |
|
#define DWC3_REVISION_260A 0x5533260a |
|
#define DWC3_REVISION_270A 0x5533270a |
|
#define DWC3_REVISION_280A 0x5533280a |
|
#define DWC3_REVISION_290A 0x5533290a |
|
#define DWC3_REVISION_300A 0x5533300a |
|
#define DWC3_REVISION_310A 0x5533310a |
|
#define DWC3_REVISION_330A 0x5533330a |
|
|
|
#define DWC31_REVISION_ANY 0x0 |
|
#define DWC31_REVISION_110A 0x3131302a |
|
#define DWC31_REVISION_120A 0x3132302a |
|
#define DWC31_REVISION_160A 0x3136302a |
|
#define DWC31_REVISION_170A 0x3137302a |
|
#define DWC31_REVISION_180A 0x3138302a |
|
#define DWC31_REVISION_190A 0x3139302a |
|
|
|
#define DWC32_REVISION_ANY 0x0 |
|
#define DWC32_REVISION_100A 0x3130302a |
|
|
|
u32 version_type; |
|
|
|
#define DWC31_VERSIONTYPE_ANY 0x0 |
|
#define DWC31_VERSIONTYPE_EA01 0x65613031 |
|
#define DWC31_VERSIONTYPE_EA02 0x65613032 |
|
#define DWC31_VERSIONTYPE_EA03 0x65613033 |
|
#define DWC31_VERSIONTYPE_EA04 0x65613034 |
|
#define DWC31_VERSIONTYPE_EA05 0x65613035 |
|
#define DWC31_VERSIONTYPE_EA06 0x65613036 |
|
|
|
enum dwc3_ep0_next ep0_next_event; |
|
enum dwc3_ep0_state ep0state; |
|
enum dwc3_link_state link_state; |
|
|
|
u16 u2sel; |
|
u16 u2pel; |
|
u8 u1sel; |
|
u8 u1pel; |
|
|
|
u8 speed; |
|
|
|
u8 num_eps; |
|
|
|
struct dwc3_hwparams hwparams; |
|
struct dentry *root; |
|
struct debugfs_regset32 *regset; |
|
|
|
u32 dbg_lsp_select; |
|
|
|
u8 test_mode; |
|
u8 test_mode_nr; |
|
u8 lpm_nyet_threshold; |
|
u8 hird_threshold; |
|
u8 rx_thr_num_pkt_prd; |
|
u8 rx_max_burst_prd; |
|
u8 tx_thr_num_pkt_prd; |
|
u8 tx_max_burst_prd; |
|
|
|
const char *hsphy_interface; |
|
|
|
unsigned connected:1; |
|
unsigned delayed_status:1; |
|
unsigned ep0_bounced:1; |
|
unsigned ep0_expect_in:1; |
|
unsigned has_hibernation:1; |
|
unsigned sysdev_is_parent:1; |
|
unsigned has_lpm_erratum:1; |
|
unsigned is_utmi_l1_suspend:1; |
|
unsigned is_fpga:1; |
|
unsigned pending_events:1; |
|
unsigned pullups_connected:1; |
|
unsigned setup_packet_pending:1; |
|
unsigned three_stage_setup:1; |
|
unsigned dis_start_transfer_quirk:1; |
|
unsigned usb3_lpm_capable:1; |
|
unsigned usb2_lpm_disable:1; |
|
unsigned usb2_gadget_lpm_disable:1; |
|
|
|
unsigned disable_scramble_quirk:1; |
|
unsigned u2exit_lfps_quirk:1; |
|
unsigned u2ss_inp3_quirk:1; |
|
unsigned req_p1p2p3_quirk:1; |
|
unsigned del_p1p2p3_quirk:1; |
|
unsigned del_phy_power_chg_quirk:1; |
|
unsigned lfps_filter_quirk:1; |
|
unsigned rx_detect_poll_quirk:1; |
|
unsigned dis_u3_susphy_quirk:1; |
|
unsigned dis_u2_susphy_quirk:1; |
|
unsigned dis_enblslpm_quirk:1; |
|
unsigned dis_u1_entry_quirk:1; |
|
unsigned dis_u2_entry_quirk:1; |
|
unsigned dis_rxdet_inp3_quirk:1; |
|
unsigned dis_u2_freeclk_exists_quirk:1; |
|
unsigned dis_del_phy_power_chg_quirk:1; |
|
unsigned dis_tx_ipgap_linecheck_quirk:1; |
|
unsigned parkmode_disable_ss_quirk:1; |
|
|
|
unsigned tx_de_emphasis_quirk:1; |
|
unsigned tx_de_emphasis:2; |
|
|
|
unsigned dis_metastability_quirk:1; |
|
|
|
unsigned dis_split_quirk:1; |
|
|
|
u16 imod_interval; |
|
}; |
|
|
|
#define INCRX_BURST_MODE 0 |
|
#define INCRX_UNDEF_LENGTH_BURST_MODE 1 |
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|
|
#define work_to_dwc(w) (container_of((w), struct dwc3, drd_work)) |
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|
|
/* -------------------------------------------------------------------------- */ |
|
|
|
struct dwc3_event_type { |
|
u32 is_devspec:1; |
|
u32 type:7; |
|
u32 reserved8_31:24; |
|
} __packed; |
|
|
|
#define DWC3_DEPEVT_XFERCOMPLETE 0x01 |
|
#define DWC3_DEPEVT_XFERINPROGRESS 0x02 |
|
#define DWC3_DEPEVT_XFERNOTREADY 0x03 |
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#define DWC3_DEPEVT_RXTXFIFOEVT 0x04 |
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#define DWC3_DEPEVT_STREAMEVT 0x06 |
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#define DWC3_DEPEVT_EPCMDCMPLT 0x07 |
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|
|
/** |
|
* struct dwc3_event_depevt - Device Endpoint Events |
|
* @one_bit: indicates this is an endpoint event (not used) |
|
* @endpoint_number: number of the endpoint |
|
* @endpoint_event: The event we have: |
|
* 0x00 - Reserved |
|
* 0x01 - XferComplete |
|
* 0x02 - XferInProgress |
|
* 0x03 - XferNotReady |
|
* 0x04 - RxTxFifoEvt (IN->Underrun, OUT->Overrun) |
|
* 0x05 - Reserved |
|
* 0x06 - StreamEvt |
|
* 0x07 - EPCmdCmplt |
|
* @reserved11_10: Reserved, don't use. |
|
* @status: Indicates the status of the event. Refer to databook for |
|
* more information. |
|
* @parameters: Parameters of the current event. Refer to databook for |
|
* more information. |
|
*/ |
|
struct dwc3_event_depevt { |
|
u32 one_bit:1; |
|
u32 endpoint_number:5; |
|
u32 endpoint_event:4; |
|
u32 reserved11_10:2; |
|
u32 status:4; |
|
|
|
/* Within XferNotReady */ |
|
#define DEPEVT_STATUS_TRANSFER_ACTIVE BIT(3) |
|
|
|
/* Within XferComplete or XferInProgress */ |
|
#define DEPEVT_STATUS_BUSERR BIT(0) |
|
#define DEPEVT_STATUS_SHORT BIT(1) |
|
#define DEPEVT_STATUS_IOC BIT(2) |
|
#define DEPEVT_STATUS_LST BIT(3) /* XferComplete */ |
|
#define DEPEVT_STATUS_MISSED_ISOC BIT(3) /* XferInProgress */ |
|
|
|
/* Stream event only */ |
|
#define DEPEVT_STREAMEVT_FOUND 1 |
|
#define DEPEVT_STREAMEVT_NOTFOUND 2 |
|
|
|
/* Stream event parameter */ |
|
#define DEPEVT_STREAM_PRIME 0xfffe |
|
#define DEPEVT_STREAM_NOSTREAM 0x0 |
|
|
|
/* Control-only Status */ |
|
#define DEPEVT_STATUS_CONTROL_DATA 1 |
|
#define DEPEVT_STATUS_CONTROL_STATUS 2 |
|
#define DEPEVT_STATUS_CONTROL_PHASE(n) ((n) & 3) |
|
|
|
/* In response to Start Transfer */ |
|
#define DEPEVT_TRANSFER_NO_RESOURCE 1 |
|
#define DEPEVT_TRANSFER_BUS_EXPIRY 2 |
|
|
|
u32 parameters:16; |
|
|
|
/* For Command Complete Events */ |
|
#define DEPEVT_PARAMETER_CMD(n) (((n) & (0xf << 8)) >> 8) |
|
} __packed; |
|
|
|
/** |
|
* struct dwc3_event_devt - Device Events |
|
* @one_bit: indicates this is a non-endpoint event (not used) |
|
* @device_event: indicates it's a device event. Should read as 0x00 |
|
* @type: indicates the type of device event. |
|
* 0 - DisconnEvt |
|
* 1 - USBRst |
|
* 2 - ConnectDone |
|
* 3 - ULStChng |
|
* 4 - WkUpEvt |
|
* 5 - Reserved |
|
* 6 - EOPF |
|
* 7 - SOF |
|
* 8 - Reserved |
|
* 9 - ErrticErr |
|
* 10 - CmdCmplt |
|
* 11 - EvntOverflow |
|
* 12 - VndrDevTstRcved |
|
* @reserved15_12: Reserved, not used |
|
* @event_info: Information about this event |
|
* @reserved31_25: Reserved, not used |
|
*/ |
|
struct dwc3_event_devt { |
|
u32 one_bit:1; |
|
u32 device_event:7; |
|
u32 type:4; |
|
u32 reserved15_12:4; |
|
u32 event_info:9; |
|
u32 reserved31_25:7; |
|
} __packed; |
|
|
|
/** |
|
* struct dwc3_event_gevt - Other Core Events |
|
* @one_bit: indicates this is a non-endpoint event (not used) |
|
* @device_event: indicates it's (0x03) Carkit or (0x04) I2C event. |
|
* @phy_port_number: self-explanatory |
|
* @reserved31_12: Reserved, not used. |
|
*/ |
|
struct dwc3_event_gevt { |
|
u32 one_bit:1; |
|
u32 device_event:7; |
|
u32 phy_port_number:4; |
|
u32 reserved31_12:20; |
|
} __packed; |
|
|
|
/** |
|
* union dwc3_event - representation of Event Buffer contents |
|
* @raw: raw 32-bit event |
|
* @type: the type of the event |
|
* @depevt: Device Endpoint Event |
|
* @devt: Device Event |
|
* @gevt: Global Event |
|
*/ |
|
union dwc3_event { |
|
u32 raw; |
|
struct dwc3_event_type type; |
|
struct dwc3_event_depevt depevt; |
|
struct dwc3_event_devt devt; |
|
struct dwc3_event_gevt gevt; |
|
}; |
|
|
|
/** |
|
* struct dwc3_gadget_ep_cmd_params - representation of endpoint command |
|
* parameters |
|
* @param2: third parameter |
|
* @param1: second parameter |
|
* @param0: first parameter |
|
*/ |
|
struct dwc3_gadget_ep_cmd_params { |
|
u32 param2; |
|
u32 param1; |
|
u32 param0; |
|
}; |
|
|
|
/* |
|
* DWC3 Features to be used as Driver Data |
|
*/ |
|
|
|
#define DWC3_HAS_PERIPHERAL BIT(0) |
|
#define DWC3_HAS_XHCI BIT(1) |
|
#define DWC3_HAS_OTG BIT(3) |
|
|
|
/* prototypes */ |
|
void dwc3_set_prtcap(struct dwc3 *dwc, u32 mode); |
|
void dwc3_set_mode(struct dwc3 *dwc, u32 mode); |
|
u32 dwc3_core_fifo_space(struct dwc3_ep *dep, u8 type); |
|
|
|
#define DWC3_IP_IS(_ip) \ |
|
(dwc->ip == _ip##_IP) |
|
|
|
#define DWC3_VER_IS(_ip, _ver) \ |
|
(DWC3_IP_IS(_ip) && dwc->revision == _ip##_REVISION_##_ver) |
|
|
|
#define DWC3_VER_IS_PRIOR(_ip, _ver) \ |
|
(DWC3_IP_IS(_ip) && dwc->revision < _ip##_REVISION_##_ver) |
|
|
|
#define DWC3_VER_IS_WITHIN(_ip, _from, _to) \ |
|
(DWC3_IP_IS(_ip) && \ |
|
dwc->revision >= _ip##_REVISION_##_from && \ |
|
(!(_ip##_REVISION_##_to) || \ |
|
dwc->revision <= _ip##_REVISION_##_to)) |
|
|
|
#define DWC3_VER_TYPE_IS_WITHIN(_ip, _ver, _from, _to) \ |
|
(DWC3_VER_IS(_ip, _ver) && \ |
|
dwc->version_type >= _ip##_VERSIONTYPE_##_from && \ |
|
(!(_ip##_VERSIONTYPE_##_to) || \ |
|
dwc->version_type <= _ip##_VERSIONTYPE_##_to)) |
|
|
|
bool dwc3_has_imod(struct dwc3 *dwc); |
|
|
|
int dwc3_event_buffers_setup(struct dwc3 *dwc); |
|
void dwc3_event_buffers_cleanup(struct dwc3 *dwc); |
|
|
|
#if IS_ENABLED(CONFIG_USB_DWC3_HOST) || IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE) |
|
int dwc3_host_init(struct dwc3 *dwc); |
|
void dwc3_host_exit(struct dwc3 *dwc); |
|
#else |
|
static inline int dwc3_host_init(struct dwc3 *dwc) |
|
{ return 0; } |
|
static inline void dwc3_host_exit(struct dwc3 *dwc) |
|
{ } |
|
#endif |
|
|
|
#if IS_ENABLED(CONFIG_USB_DWC3_GADGET) || IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE) |
|
int dwc3_gadget_init(struct dwc3 *dwc); |
|
void dwc3_gadget_exit(struct dwc3 *dwc); |
|
int dwc3_gadget_set_test_mode(struct dwc3 *dwc, int mode); |
|
int dwc3_gadget_get_link_state(struct dwc3 *dwc); |
|
int dwc3_gadget_set_link_state(struct dwc3 *dwc, enum dwc3_link_state state); |
|
int dwc3_send_gadget_ep_cmd(struct dwc3_ep *dep, unsigned int cmd, |
|
struct dwc3_gadget_ep_cmd_params *params); |
|
int dwc3_send_gadget_generic_command(struct dwc3 *dwc, unsigned int cmd, |
|
u32 param); |
|
#else |
|
static inline int dwc3_gadget_init(struct dwc3 *dwc) |
|
{ return 0; } |
|
static inline void dwc3_gadget_exit(struct dwc3 *dwc) |
|
{ } |
|
static inline int dwc3_gadget_set_test_mode(struct dwc3 *dwc, int mode) |
|
{ return 0; } |
|
static inline int dwc3_gadget_get_link_state(struct dwc3 *dwc) |
|
{ return 0; } |
|
static inline int dwc3_gadget_set_link_state(struct dwc3 *dwc, |
|
enum dwc3_link_state state) |
|
{ return 0; } |
|
|
|
static inline int dwc3_send_gadget_ep_cmd(struct dwc3_ep *dep, unsigned int cmd, |
|
struct dwc3_gadget_ep_cmd_params *params) |
|
{ return 0; } |
|
static inline int dwc3_send_gadget_generic_command(struct dwc3 *dwc, |
|
int cmd, u32 param) |
|
{ return 0; } |
|
#endif |
|
|
|
#if IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE) |
|
int dwc3_drd_init(struct dwc3 *dwc); |
|
void dwc3_drd_exit(struct dwc3 *dwc); |
|
void dwc3_otg_init(struct dwc3 *dwc); |
|
void dwc3_otg_exit(struct dwc3 *dwc); |
|
void dwc3_otg_update(struct dwc3 *dwc, bool ignore_idstatus); |
|
void dwc3_otg_host_init(struct dwc3 *dwc); |
|
#else |
|
static inline int dwc3_drd_init(struct dwc3 *dwc) |
|
{ return 0; } |
|
static inline void dwc3_drd_exit(struct dwc3 *dwc) |
|
{ } |
|
static inline void dwc3_otg_init(struct dwc3 *dwc) |
|
{ } |
|
static inline void dwc3_otg_exit(struct dwc3 *dwc) |
|
{ } |
|
static inline void dwc3_otg_update(struct dwc3 *dwc, bool ignore_idstatus) |
|
{ } |
|
static inline void dwc3_otg_host_init(struct dwc3 *dwc) |
|
{ } |
|
#endif |
|
|
|
/* power management interface */ |
|
#if !IS_ENABLED(CONFIG_USB_DWC3_HOST) |
|
int dwc3_gadget_suspend(struct dwc3 *dwc); |
|
int dwc3_gadget_resume(struct dwc3 *dwc); |
|
void dwc3_gadget_process_pending_events(struct dwc3 *dwc); |
|
#else |
|
static inline int dwc3_gadget_suspend(struct dwc3 *dwc) |
|
{ |
|
return 0; |
|
} |
|
|
|
static inline int dwc3_gadget_resume(struct dwc3 *dwc) |
|
{ |
|
return 0; |
|
} |
|
|
|
static inline void dwc3_gadget_process_pending_events(struct dwc3 *dwc) |
|
{ |
|
} |
|
#endif /* !IS_ENABLED(CONFIG_USB_DWC3_HOST) */ |
|
|
|
#if IS_ENABLED(CONFIG_USB_DWC3_ULPI) |
|
int dwc3_ulpi_init(struct dwc3 *dwc); |
|
void dwc3_ulpi_exit(struct dwc3 *dwc); |
|
#else |
|
static inline int dwc3_ulpi_init(struct dwc3 *dwc) |
|
{ return 0; } |
|
static inline void dwc3_ulpi_exit(struct dwc3 *dwc) |
|
{ } |
|
#endif |
|
|
|
#endif /* __DRIVERS_USB_DWC3_CORE_H */
|
|
|