| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Felipe Balbi | 2325 | 53.53% | 74 | 41.11% |
| Roger Quadros | 631 | 14.53% | 10 | 5.56% |
| Thinh Nguyen | 318 | 7.32% | 20 | 11.11% |
| Paul Zimmerman | 207 | 4.77% | 5 | 2.78% |
| John Youn | 162 | 3.73% | 12 | 6.67% |
| Huang Rui | 140 | 3.22% | 16 | 8.89% |
| Heikki Krogerus | 101 | 2.33% | 4 | 2.22% |
| Vivek Gautam | 82 | 1.89% | 1 | 0.56% |
| William Wu | 68 | 1.57% | 5 | 2.78% |
| Pengbo Mu | 53 | 1.22% | 2 | 1.11% |
| Sebastian Andrzej Siewior | 50 | 1.15% | 2 | 1.11% |
| Ido Shayevitz | 41 | 0.94% | 1 | 0.56% |
| Anurag Kumar Vulisha | 24 | 0.55% | 4 | 2.22% |
| Baolin Wang | 20 | 0.46% | 2 | 1.11% |
| Kishon Vijay Abraham I | 13 | 0.30% | 1 | 0.56% |
| Masahiro Yamada | 13 | 0.30% | 1 | 0.56% |
| Nikhil Badola | 12 | 0.28% | 1 | 0.56% |
| Arnd Bergmann | 10 | 0.23% | 1 | 0.56% |
| Neil Armstrong | 9 | 0.21% | 1 | 0.56% |
| Konrad Leszczynski | 9 | 0.21% | 1 | 0.56% |
| Chen Yu | 8 | 0.18% | 1 | 0.56% |
| Rajesh Bhagat | 8 | 0.18% | 1 | 0.56% |
| Ruchika Kharwar | 7 | 0.16% | 1 | 0.56% |
| Gerard Cauvy | 6 | 0.14% | 1 | 0.56% |
| George Cherian | 6 | 0.14% | 1 | 0.56% |
| Robert Baldyga | 5 | 0.12% | 1 | 0.56% |
| John Stultz | 5 | 0.12% | 1 | 0.56% |
| Pratyush Anand | 3 | 0.07% | 3 | 1.67% |
| Subbaraya Sundeep Bhatta | 2 | 0.05% | 1 | 0.56% |
| Greg Kroah-Hartman | 2 | 0.05% | 2 | 1.11% |
| Dan Carpenter | 1 | 0.02% | 1 | 0.56% |
| Chunfeng Yun | 1 | 0.02% | 1 | 0.56% |
| Bryan O'Donoghue | 1 | 0.02% | 1 | 0.56% |
| Total | 4343 | 180 |
// SPDX-License-Identifier: GPL-2.0 /* * core.h - DesignWare USB3 DRD Core Header * * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com * * Authors: Felipe Balbi <balbi@ti.com>, * Sebastian Andrzej Siewior <bigeasy@linutronix.de> */ #ifndef __DRIVERS_USB_DWC3_CORE_H #define __DRIVERS_USB_DWC3_CORE_H #include <linux/device.h> #include <linux/spinlock.h> #include <linux/ioport.h> #include <linux/list.h> #include <linux/bitops.h> #include <linux/dma-mapping.h> #include <linux/mm.h> #include <linux/debugfs.h> #include <linux/wait.h> #include <linux/workqueue.h> #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> #include <linux/usb/otg.h> #include <linux/usb/role.h> #include <linux/ulpi/interface.h> #include <linux/phy/phy.h> #define DWC3_MSG_MAX 500 /* Global constants */ #define DWC3_PULL_UP_TIMEOUT 500 /* ms */ #define DWC3_BOUNCE_SIZE 1024 /* size of a superspeed bulk */ #define DWC3_EP0_SETUP_SIZE 512 #define DWC3_ENDPOINTS_NUM 32 #define DWC3_XHCI_RESOURCES_NUM 2 #define DWC3_ISOC_MAX_RETRIES 5 #define DWC3_SCRATCHBUF_SIZE 4096 /* each buffer is assumed to be 4KiB */ #define DWC3_EVENT_BUFFERS_SIZE 4096 #define DWC3_EVENT_TYPE_MASK 0xfe #define DWC3_EVENT_TYPE_DEV 0 #define DWC3_EVENT_TYPE_CARKIT 3 #define DWC3_EVENT_TYPE_I2C 4 #define DWC3_DEVICE_EVENT_DISCONNECT 0 #define DWC3_DEVICE_EVENT_RESET 1 #define DWC3_DEVICE_EVENT_CONNECT_DONE 2 #define DWC3_DEVICE_EVENT_LINK_STATUS_CHANGE 3 #define DWC3_DEVICE_EVENT_WAKEUP 4 #define DWC3_DEVICE_EVENT_HIBER_REQ 5 #define DWC3_DEVICE_EVENT_EOPF 6 #define DWC3_DEVICE_EVENT_SOF 7 #define DWC3_DEVICE_EVENT_ERRATIC_ERROR 9 #define DWC3_DEVICE_EVENT_CMD_CMPL 10 #define DWC3_DEVICE_EVENT_OVERFLOW 11 /* Controller's role while using the OTG block */ #define DWC3_OTG_ROLE_IDLE 0 #define DWC3_OTG_ROLE_HOST 1 #define DWC3_OTG_ROLE_DEVICE 2 #define DWC3_GEVNTCOUNT_MASK 0xfffc #define DWC3_GEVNTCOUNT_EHB BIT(31) #define DWC3_GSNPSID_MASK 0xffff0000 #define DWC3_GSNPSREV_MASK 0xffff /* DWC3 registers memory space boundries */ #define DWC3_XHCI_REGS_START 0x0 #define DWC3_XHCI_REGS_END 0x7fff #define DWC3_GLOBALS_REGS_START 0xc100 #define DWC3_GLOBALS_REGS_END 0xc6ff #define DWC3_DEVICE_REGS_START 0xc700 #define DWC3_DEVICE_REGS_END 0xcbff #define DWC3_OTG_REGS_START 0xcc00 #define DWC3_OTG_REGS_END 0xccff /* Global Registers */ #define DWC3_GSBUSCFG0 0xc100 #define DWC3_GSBUSCFG1 0xc104 #define DWC3_GTXTHRCFG 0xc108 #define DWC3_GRXTHRCFG 0xc10c #define DWC3_GCTL 0xc110 #define DWC3_GEVTEN 0xc114 #define DWC3_GSTS 0xc118 #define DWC3_GUCTL1 0xc11c #define DWC3_GSNPSID 0xc120 #define DWC3_GGPIO 0xc124 #define DWC3_GUID 0xc128 #define DWC3_GUCTL 0xc12c #define DWC3_GBUSERRADDR0 0xc130 #define DWC3_GBUSERRADDR1 0xc134 #define DWC3_GPRTBIMAP0 0xc138 #define DWC3_GPRTBIMAP1 0xc13c #define DWC3_GHWPARAMS0 0xc140 #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_GDBGBMU 0xc16c #define DWC3_GDBGLSPMUX 0xc170 #define DWC3_GDBGLSP 0xc174 #define DWC3_GDBGEPINFO0 0xc178 #define DWC3_GDBGEPINFO1 0xc17c #define DWC3_GPRTBIMAP_HS0 0xc180 #define DWC3_GPRTBIMAP_HS1 0xc184 #define DWC3_GPRTBIMAP_FS0 0xc188 #define DWC3_GPRTBIMAP_FS1 0xc18c #define DWC3_GUCTL2 0xc19c #define DWC3_VER_NUMBER 0xc1a0 #define DWC3_VER_TYPE 0xc1a4 #define DWC3_GUSB2PHYCFG(n) (0xc200 + ((n) * 0x04)) #define DWC3_GUSB2I2CCTL(n) (0xc240 + ((n) * 0x04)) #define DWC3_GUSB2PHYACC(n) (0xc280 + ((n) * 0x04)) #define DWC3_GUSB3PIPECTL(n) (0xc2c0 + ((n) * 0x04)) #define DWC3_GTXFIFOSIZ(n) (0xc300 + ((n) * 0x04)) #define DWC3_GRXFIFOSIZ(n) (0xc380 + ((n) * 0x04)) #define DWC3_GEVNTADRLO(n) (0xc400 + ((n) * 0x10)) #define DWC3_GEVNTADRHI(n) (0xc404 + ((n) * 0x10)) #define DWC3_GEVNTSIZ(n) (0xc408 + ((n) * 0x10)) #define DWC3_GEVNTCOUNT(n) (0xc40c + ((n) * 0x10)) #define DWC3_GHWPARAMS8 0xc600 #define DWC3_GFLADJ 0xc630 /* Device Registers */ #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 #define DWC3_DEP_BASE(n) (0xc800 + ((n) * 0x10)) #define DWC3_DEPCMDPAR2 0x00 #define DWC3_DEPCMDPAR1 0x04 #define DWC3_DEPCMDPAR0 0x08 #define DWC3_DEPCMD 0x0c #define DWC3_DEV_IMOD(n) (0xca00 + ((n) * 0x4)) /* OTG Registers */ #define DWC3_OCFG 0xcc00 #define DWC3_OCTL 0xcc04 #define DWC3_OEVT 0xcc08 #define DWC3_OEVTEN 0xcc0C #define DWC3_OSTS 0xcc10 /* Bit fields */ /* Global SoC Bus Configuration INCRx Register 0 */ #define DWC3_GSBUSCFG0_INCR256BRSTENA (1 << 7) /* INCR256 burst */ #define DWC3_GSBUSCFG0_INCR128BRSTENA (1 << 6) /* INCR128 burst */ #define DWC3_GSBUSCFG0_INCR64BRSTENA (1 << 5) /* INCR64 burst */ #define DWC3_GSBUSCFG0_INCR32BRSTENA (1 << 4) /* INCR32 burst */ #define DWC3_GSBUSCFG0_INCR16BRSTENA (1 << 3) /* INCR16 burst */ #define DWC3_GSBUSCFG0_INCR8BRSTENA (1 << 2) /* INCR8 burst */ #define DWC3_GSBUSCFG0_INCR4BRSTENA (1 << 1) /* INCR4 burst */ #define DWC3_GSBUSCFG0_INCRBRSTENA (1 << 0) /* undefined length enable */ #define DWC3_GSBUSCFG0_INCRBRST_MASK 0xff /* Global Debug LSP MUX Select */ #define DWC3_GDBGLSPMUX_ENDBC BIT(15) /* Host only */ #define DWC3_GDBGLSPMUX_HOSTSELECT(n) ((n) & 0x3fff) #define DWC3_GDBGLSPMUX_DEVSELECT(n) (((n) & 0xf) << 4) #define DWC3_GDBGLSPMUX_EPSELECT(n) ((n) & 0xf) /* Global Debug Queue/FIFO Space Available Register */ #define DWC3_GDBGFIFOSPACE_NUM(n) ((n) & 0x1f) #define DWC3_GDBGFIFOSPACE_TYPE(n) (((n) << 5) & 0x1e0) #define DWC3_GDBGFIFOSPACE_SPACE_AVAILABLE(n) (((n) >> 16) & 0xffff) #define DWC3_TXFIFO 0 #define DWC3_RXFIFO 1 #define DWC3_TXREQQ 2 #define DWC3_RXREQQ 3 #define DWC3_RXINFOQ 4 #define DWC3_PSTATQ 5 #define DWC3_DESCFETCHQ 6 #define DWC3_EVENTQ 7 #define DWC3_AUXEVENTQ 8 /* Global RX Threshold Configuration Register */ #define DWC3_GRXTHRCFG_MAXRXBURSTSIZE(n) (((n) & 0x1f) << 19) #define DWC3_GRXTHRCFG_RXPKTCNT(n) (((n) & 0xf) << 24) #define DWC3_GRXTHRCFG_PKTCNTSEL BIT(29) /* Global RX Threshold Configuration Register for DWC_usb31 only */ #define DWC31_GRXTHRCFG_MAXRXBURSTSIZE(n) (((n) & 0x1f) << 16) #define DWC31_GRXTHRCFG_RXPKTCNT(n) (((n) & 0x1f) << 21) #define DWC31_GRXTHRCFG_PKTCNTSEL BIT(26) #define DWC31_RXTHRNUMPKTSEL_HS_PRD BIT(15) #define DWC31_RXTHRNUMPKT_HS_PRD(n) (((n) & 0x3) << 13) #define DWC31_RXTHRNUMPKTSEL_PRD BIT(10) #define DWC31_RXTHRNUMPKT_PRD(n) (((n) & 0x1f) << 5) #define DWC31_MAXRXBURSTSIZE_PRD(n) ((n) & 0x1f) /* Global TX Threshold Configuration Register for DWC_usb31 only */ #define DWC31_GTXTHRCFG_MAXTXBURSTSIZE(n) (((n) & 0x1f) << 16) #define DWC31_GTXTHRCFG_TXPKTCNT(n) (((n) & 0x1f) << 21) #define DWC31_GTXTHRCFG_PKTCNTSEL BIT(26) #define DWC31_TXTHRNUMPKTSEL_HS_PRD BIT(15) #define DWC31_TXTHRNUMPKT_HS_PRD(n) (((n) & 0x3) << 13) #define DWC31_TXTHRNUMPKTSEL_PRD BIT(10) #define DWC31_TXTHRNUMPKT_PRD(n) (((n) & 0x1f) << 5) #define DWC31_MAXTXBURSTSIZE_PRD(n) ((n) & 0x1f) /* Global Configuration Register */ #define DWC3_GCTL_PWRDNSCALE(n) ((n) << 19) #define DWC3_GCTL_U2RSTECN BIT(16) #define DWC3_GCTL_RAMCLKSEL(x) (((x) & DWC3_GCTL_CLK_MASK) << 6) #define DWC3_GCTL_CLK_BUS (0) #define DWC3_GCTL_CLK_PIPE (1) #define DWC3_GCTL_CLK_PIPEHALF (2) #define DWC3_GCTL_CLK_MASK (3) #define DWC3_GCTL_PRTCAP(n) (((n) & (3 << 12)) >> 12) #define DWC3_GCTL_PRTCAPDIR(n) ((n) << 12) #define DWC3_GCTL_PRTCAP_HOST 1 #define DWC3_GCTL_PRTCAP_DEVICE 2 #define DWC3_GCTL_PRTCAP_OTG 3 #define DWC3_GCTL_CORESOFTRESET BIT(11) #define DWC3_GCTL_SOFITPSYNC BIT(10) #define DWC3_GCTL_SCALEDOWN(n) ((n) << 4) #define DWC3_GCTL_SCALEDOWN_MASK DWC3_GCTL_SCALEDOWN(3) #define DWC3_GCTL_DISSCRAMBLE BIT(3) #define DWC3_GCTL_U2EXIT_LFPS BIT(2) #define DWC3_GCTL_GBLHIBERNATIONEN BIT(1) #define DWC3_GCTL_DSBLCLKGTNG BIT(0) /* Global User Control Register */ #define DWC3_GUCTL_HSTINAUTORETRY BIT(14) /* Global User Control 1 Register */ #define DWC3_GUCTL1_PARKMODE_DISABLE_SS BIT(17) #define DWC3_GUCTL1_TX_IPGAP_LINECHECK_DIS BIT(28) #define DWC3_GUCTL1_DEV_L1_EXIT_BY_HW BIT(24) /* Global Status Register */ #define DWC3_GSTS_OTG_IP BIT(10) #define DWC3_GSTS_BC_IP BIT(9) #define DWC3_GSTS_ADP_IP BIT(8) #define DWC3_GSTS_HOST_IP BIT(7) #define DWC3_GSTS_DEVICE_IP BIT(6) #define DWC3_GSTS_CSR_TIMEOUT BIT(5) #define DWC3_GSTS_BUS_ERR_ADDR_VLD BIT(4) #define DWC3_GSTS_CURMOD(n) ((n) & 0x3) #define DWC3_GSTS_CURMOD_DEVICE 0 #define DWC3_GSTS_CURMOD_HOST 1 /* Global USB2 PHY Configuration Register */ #define DWC3_GUSB2PHYCFG_PHYSOFTRST BIT(31) #define DWC3_GUSB2PHYCFG_U2_FREECLK_EXISTS BIT(30) #define DWC3_GUSB2PHYCFG_SUSPHY BIT(6) #define DWC3_GUSB2PHYCFG_ULPI_UTMI BIT(4) #define DWC3_GUSB2PHYCFG_ENBLSLPM BIT(8) #define DWC3_GUSB2PHYCFG_PHYIF(n) (n << 3) #define DWC3_GUSB2PHYCFG_PHYIF_MASK DWC3_GUSB2PHYCFG_PHYIF(1) #define DWC3_GUSB2PHYCFG_USBTRDTIM(n) (n << 10) #define DWC3_GUSB2PHYCFG_USBTRDTIM_MASK DWC3_GUSB2PHYCFG_USBTRDTIM(0xf) #define USBTRDTIM_UTMI_8_BIT 9 #define USBTRDTIM_UTMI_16_BIT 5 #define UTMI_PHYIF_16_BIT 1 #define UTMI_PHYIF_8_BIT 0 /* Global USB2 PHY Vendor Control Register */ #define DWC3_GUSB2PHYACC_NEWREGREQ BIT(25) #define DWC3_GUSB2PHYACC_BUSY BIT(23) #define DWC3_GUSB2PHYACC_WRITE BIT(22) #define DWC3_GUSB2PHYACC_ADDR(n) (n << 16) #define DWC3_GUSB2PHYACC_EXTEND_ADDR(n) (n << 8) #define DWC3_GUSB2PHYACC_DATA(n) (n & 0xff) /* Global USB3 PIPE Control Register */ #define DWC3_GUSB3PIPECTL_PHYSOFTRST BIT(31) #define DWC3_GUSB3PIPECTL_U2SSINP3OK BIT(29) #define DWC3_GUSB3PIPECTL_DISRXDETINP3 BIT(28) #define DWC3_GUSB3PIPECTL_UX_EXIT_PX BIT(27) #define DWC3_GUSB3PIPECTL_REQP1P2P3 BIT(24) #define DWC3_GUSB3PIPECTL_DEP1P2P3(n) ((n) << 19) #define DWC3_GUSB3PIPECTL_DEP1P2P3_MASK DWC3_GUSB3PIPECTL_DEP1P2P3(7) #define DWC3_GUSB3PIPECTL_DEP1P2P3_EN DWC3_GUSB3PIPECTL_DEP1P2P3(1) #define DWC3_GUSB3PIPECTL_DEPOCHANGE BIT(18) #define DWC3_GUSB3PIPECTL_SUSPHY BIT(17) #define DWC3_GUSB3PIPECTL_LFPSFILT BIT(9) #define DWC3_GUSB3PIPECTL_RX_DETOPOLL BIT(8) #define DWC3_GUSB3PIPECTL_TX_DEEPH_MASK DWC3_GUSB3PIPECTL_TX_DEEPH(3) #define DWC3_GUSB3PIPECTL_TX_DEEPH(n) ((n) << 1) /* Global TX Fifo Size Register */ #define DWC31_GTXFIFOSIZ_TXFRAMNUM BIT(15) /* DWC_usb31 only */ #define DWC31_GTXFIFOSIZ_TXFDEP(n) ((n) & 0x7fff) /* DWC_usb31 only */ #define DWC3_GTXFIFOSIZ_TXFDEP(n) ((n) & 0xffff) #define DWC3_GTXFIFOSIZ_TXFSTADDR(n) ((n) & 0xffff0000) /* Global RX Fifo Size Register */ #define DWC31_GRXFIFOSIZ_RXFDEP(n) ((n) & 0x7fff) /* DWC_usb31 only */ #define DWC3_GRXFIFOSIZ_RXFDEP(n) ((n) & 0xffff) /* Global Event Size Registers */ #define DWC3_GEVNTSIZ_INTMASK BIT(31) #define DWC3_GEVNTSIZ_SIZE(n) ((n) & 0xffff) /* Global HWPARAMS0 Register */ #define DWC3_GHWPARAMS0_MODE(n) ((n) & 0x3) #define DWC3_GHWPARAMS0_MODE_GADGET 0 #define DWC3_GHWPARAMS0_MODE_HOST 1 #define DWC3_GHWPARAMS0_MODE_DRD 2 #define DWC3_GHWPARAMS0_MBUS_TYPE(n) (((n) >> 3) & 0x7) #define DWC3_GHWPARAMS0_SBUS_TYPE(n) (((n) >> 6) & 0x3) #define DWC3_GHWPARAMS0_MDWIDTH(n) (((n) >> 8) & 0xff) #define DWC3_GHWPARAMS0_SDWIDTH(n) (((n) >> 16) & 0xff) #define DWC3_GHWPARAMS0_AWIDTH(n) (((n) >> 24) & 0xff) /* Global HWPARAMS1 Register */ #define DWC3_GHWPARAMS1_EN_PWROPT(n) (((n) & (3 << 24)) >> 24) #define DWC3_GHWPARAMS1_EN_PWROPT_NO 0 #define DWC3_GHWPARAMS1_EN_PWROPT_CLK 1 #define DWC3_GHWPARAMS1_EN_PWROPT_HIB 2 #define DWC3_GHWPARAMS1_PWROPT(n) ((n) << 24) #define DWC3_GHWPARAMS1_PWROPT_MASK DWC3_GHWPARAMS1_PWROPT(3) #define DWC3_GHWPARAMS1_ENDBC BIT(31) /* Global HWPARAMS3 Register */ #define DWC3_GHWPARAMS3_SSPHY_IFC(n) ((n) & 3) #define DWC3_GHWPARAMS3_SSPHY_IFC_DIS 0 #define DWC3_GHWPARAMS3_SSPHY_IFC_GEN1 1 #define DWC3_GHWPARAMS3_SSPHY_IFC_GEN2 2 /* DWC_usb31 only */ #define DWC3_GHWPARAMS3_HSPHY_IFC(n) (((n) & (3 << 2)) >> 2) #define DWC3_GHWPARAMS3_HSPHY_IFC_DIS 0 #define DWC3_GHWPARAMS3_HSPHY_IFC_UTMI 1 #define DWC3_GHWPARAMS3_HSPHY_IFC_ULPI 2 #define DWC3_GHWPARAMS3_HSPHY_IFC_UTMI_ULPI 3 #define DWC3_GHWPARAMS3_FSPHY_IFC(n) (((n) & (3 << 4)) >> 4) #define DWC3_GHWPARAMS3_FSPHY_IFC_DIS 0 #define DWC3_GHWPARAMS3_FSPHY_IFC_ENA 1 /* Global HWPARAMS4 Register */ #define DWC3_GHWPARAMS4_HIBER_SCRATCHBUFS(n) (((n) & (0x0f << 13)) >> 13) #define DWC3_MAX_HIBER_SCRATCHBUFS 15 /* Global HWPARAMS6 Register */ #define DWC3_GHWPARAMS6_BCSUPPORT BIT(14) #define DWC3_GHWPARAMS6_OTG3SUPPORT BIT(13) #define DWC3_GHWPARAMS6_ADPSUPPORT BIT(12) #define DWC3_GHWPARAMS6_HNPSUPPORT BIT(11) #define DWC3_GHWPARAMS6_SRPSUPPORT BIT(10) #define DWC3_GHWPARAMS6_EN_FPGA BIT(7) /* Global HWPARAMS7 Register */ #define DWC3_GHWPARAMS7_RAM1_DEPTH(n) ((n) & 0xffff) #define DWC3_GHWPARAMS7_RAM2_DEPTH(n) (((n) >> 16) & 0xffff) /* Global Frame Length Adjustment Register */ #define DWC3_GFLADJ_30MHZ_SDBND_SEL BIT(7) #define DWC3_GFLADJ_30MHZ_MASK 0x3f /* Global User Control Register 2 */ #define DWC3_GUCTL2_RST_ACTBITLATER BIT(14) /* Device Configuration Register */ #define DWC3_DCFG_DEVADDR(addr) ((addr) << 3) #define DWC3_DCFG_DEVADDR_MASK DWC3_DCFG_DEVADDR(0x7f) #define DWC3_DCFG_SPEED_MASK (7 << 0) #define DWC3_DCFG_SUPERSPEED_PLUS (5 << 0) /* DWC_usb31 only */ #define DWC3_DCFG_SUPERSPEED (4 << 0) #define DWC3_DCFG_HIGHSPEED (0 << 0) #define DWC3_DCFG_FULLSPEED BIT(0) #define DWC3_DCFG_LOWSPEED (2 << 0) #define DWC3_DCFG_NUMP_SHIFT 17 #define DWC3_DCFG_NUMP(n) (((n) >> DWC3_DCFG_NUMP_SHIFT) & 0x1f) #define DWC3_DCFG_NUMP_MASK (0x1f << DWC3_DCFG_NUMP_SHIFT) #define DWC3_DCFG_LPM_CAP BIT(22) /* Device Control Register */ #define DWC3_DCTL_RUN_STOP BIT(31) #define DWC3_DCTL_CSFTRST BIT(30) #define DWC3_DCTL_LSFTRST BIT(29) #define DWC3_DCTL_HIRD_THRES_MASK (0x1f << 24) #define DWC3_DCTL_HIRD_THRES(n) ((n) << 24) #define DWC3_DCTL_APPL1RES BIT(23) /* These apply for core versions 1.87a and earlier */ #define DWC3_DCTL_TRGTULST_MASK (0x0f << 17) #define DWC3_DCTL_TRGTULST(n) ((n) << 17) #define DWC3_DCTL_TRGTULST_U2 (DWC3_DCTL_TRGTULST(2)) #define DWC3_DCTL_TRGTULST_U3 (DWC3_DCTL_TRGTULST(3)) #define DWC3_DCTL_TRGTULST_SS_DIS (DWC3_DCTL_TRGTULST(4)) #define DWC3_DCTL_TRGTULST_RX_DET (DWC3_DCTL_TRGTULST(5)) #define DWC3_DCTL_TRGTULST_SS_INACT (DWC3_DCTL_TRGTULST(6)) /* These apply for core versions 1.94a and later */ #define DWC3_DCTL_NYET_THRES(n) (((n) & 0xf) << 20) #define DWC3_DCTL_KEEP_CONNECT BIT(19) #define DWC3_DCTL_L1_HIBER_EN BIT(18) #define DWC3_DCTL_CRS BIT(17) #define DWC3_DCTL_CSS BIT(16) #define DWC3_DCTL_INITU2ENA BIT(12) #define DWC3_DCTL_ACCEPTU2ENA BIT(11) #define DWC3_DCTL_INITU1ENA BIT(10) #define DWC3_DCTL_ACCEPTU1ENA BIT(9) #define DWC3_DCTL_TSTCTRL_MASK (0xf << 1) #define DWC3_DCTL_ULSTCHNGREQ_MASK (0x0f << 5) #define DWC3_DCTL_ULSTCHNGREQ(n) (((n) << 5) & DWC3_DCTL_ULSTCHNGREQ_MASK) #define DWC3_DCTL_ULSTCHNG_NO_ACTION (DWC3_DCTL_ULSTCHNGREQ(0)) #define DWC3_DCTL_ULSTCHNG_SS_DISABLED (DWC3_DCTL_ULSTCHNGREQ(4)) #define DWC3_DCTL_ULSTCHNG_RX_DETECT (DWC3_DCTL_ULSTCHNGREQ(5)) #define DWC3_DCTL_ULSTCHNG_SS_INACTIVE (DWC3_DCTL_ULSTCHNGREQ(6)) #define DWC3_DCTL_ULSTCHNG_RECOVERY (DWC3_DCTL_ULSTCHNGREQ(8)) #define DWC3_DCTL_ULSTCHNG_COMPLIANCE (DWC3_DCTL_ULSTCHNGREQ(10)) #define DWC3_DCTL_ULSTCHNG_LOOPBACK (DWC3_DCTL_ULSTCHNGREQ(11)) /* Device Event Enable Register */ #define DWC3_DEVTEN_VNDRDEVTSTRCVEDEN BIT(12) #define DWC3_DEVTEN_EVNTOVERFLOWEN BIT(11) #define DWC3_DEVTEN_CMDCMPLTEN BIT(10) #define DWC3_DEVTEN_ERRTICERREN BIT(9) #define DWC3_DEVTEN_SOFEN BIT(7) #define DWC3_DEVTEN_EOPFEN BIT(6) #define DWC3_DEVTEN_HIBERNATIONREQEVTEN BIT(5) #define DWC3_DEVTEN_WKUPEVTEN BIT(4) #define DWC3_DEVTEN_ULSTCNGEN BIT(3) #define DWC3_DEVTEN_CONNECTDONEEN BIT(2) #define DWC3_DEVTEN_USBRSTEN BIT(1) #define DWC3_DEVTEN_DISCONNEVTEN BIT(0) /* Device Status Register */ #define DWC3_DSTS_DCNRD BIT(29) /* This applies for core versions 1.87a and earlier */ #define DWC3_DSTS_PWRUPREQ BIT(24) /* These apply for core versions 1.94a and later */ #define DWC3_DSTS_RSS BIT(25) #define DWC3_DSTS_SSS BIT(24) #define DWC3_DSTS_COREIDLE BIT(23) #define DWC3_DSTS_DEVCTRLHLT BIT(22) #define DWC3_DSTS_USBLNKST_MASK (0x0f << 18) #define DWC3_DSTS_USBLNKST(n) (((n) & DWC3_DSTS_USBLNKST_MASK) >> 18) #define DWC3_DSTS_RXFIFOEMPTY BIT(17) #define DWC3_DSTS_SOFFN_MASK (0x3fff << 3) #define DWC3_DSTS_SOFFN(n) (((n) & DWC3_DSTS_SOFFN_MASK) >> 3) #define DWC3_DSTS_CONNECTSPD (7 << 0) #define DWC3_DSTS_SUPERSPEED_PLUS (5 << 0) /* DWC_usb31 only */ #define DWC3_DSTS_SUPERSPEED (4 << 0) #define DWC3_DSTS_HIGHSPEED (0 << 0) #define DWC3_DSTS_FULLSPEED BIT(0) #define DWC3_DSTS_LOWSPEED (2 << 0) /* Device Generic Command Register */ #define DWC3_DGCMD_SET_LMP 0x01 #define DWC3_DGCMD_SET_PERIODIC_PAR 0x02 #define DWC3_DGCMD_XMIT_FUNCTION 0x03 /* These apply for core versions 1.94a and later */ #define DWC3_DGCMD_SET_SCRATCHPAD_ADDR_LO 0x04 #define DWC3_DGCMD_SET_SCRATCHPAD_ADDR_HI 0x05 #define DWC3_DGCMD_SELECTED_FIFO_FLUSH 0x09 #define DWC3_DGCMD_ALL_FIFO_FLUSH 0x0a #define DWC3_DGCMD_SET_ENDPOINT_NRDY 0x0c #define DWC3_DGCMD_RUN_SOC_BUS_LOOPBACK 0x10 #define DWC3_DGCMD_STATUS(n) (((n) >> 12) & 0x0F) #define DWC3_DGCMD_CMDACT BIT(10) #define DWC3_DGCMD_CMDIOC BIT(8) /* Device Generic Command Parameter Register */ #define DWC3_DGCMDPAR_FORCE_LINKPM_ACCEPT BIT(0) #define DWC3_DGCMDPAR_FIFO_NUM(n) ((n) << 0) #define DWC3_DGCMDPAR_RX_FIFO (0 << 5) #define DWC3_DGCMDPAR_TX_FIFO BIT(5) #define DWC3_DGCMDPAR_LOOPBACK_DIS (0 << 0) #define DWC3_DGCMDPAR_LOOPBACK_ENA BIT(0) /* Device Endpoint Command Register */ #define DWC3_DEPCMD_PARAM_SHIFT 16 #define DWC3_DEPCMD_PARAM(x) ((x) << DWC3_DEPCMD_PARAM_SHIFT) #define DWC3_DEPCMD_GET_RSC_IDX(x) (((x) >> DWC3_DEPCMD_PARAM_SHIFT) & 0x7f) #define DWC3_DEPCMD_STATUS(x) (((x) >> 12) & 0x0F) #define DWC3_DEPCMD_HIPRI_FORCERM BIT(11) #define DWC3_DEPCMD_CLEARPENDIN BIT(11) #define DWC3_DEPCMD_CMDACT BIT(10) #define DWC3_DEPCMD_CMDIOC BIT(8) #define DWC3_DEPCMD_DEPSTARTCFG (0x09 << 0) #define DWC3_DEPCMD_ENDTRANSFER (0x08 << 0) #define DWC3_DEPCMD_UPDATETRANSFER (0x07 << 0) #define DWC3_DEPCMD_STARTTRANSFER (0x06 << 0) #define DWC3_DEPCMD_CLEARSTALL (0x05 << 0) #define DWC3_DEPCMD_SETSTALL (0x04 << 0) /* This applies for core versions 1.90a and earlier */ #define DWC3_DEPCMD_GETSEQNUMBER (0x03 << 0) /* This applies for core versions 1.94a and later */ #define DWC3_DEPCMD_GETEPSTATE (0x03 << 0) #define DWC3_DEPCMD_SETTRANSFRESOURCE (0x02 << 0) #define DWC3_DEPCMD_SETEPCONFIG (0x01 << 0) #define DWC3_DEPCMD_CMD(x) ((x) & 0xf) /* The EP number goes 0..31 so ep0 is always out and ep1 is always in */ #define DWC3_DALEPENA_EP(n) BIT(n) #define DWC3_DEPCMD_TYPE_CONTROL 0 #define DWC3_DEPCMD_TYPE_ISOC 1 #define DWC3_DEPCMD_TYPE_BULK 2 #define DWC3_DEPCMD_TYPE_INTR 3 #define DWC3_DEV_IMOD_COUNT_SHIFT 16 #define DWC3_DEV_IMOD_COUNT_MASK (0xffff << 16) #define DWC3_DEV_IMOD_INTERVAL_SHIFT 0 #define DWC3_DEV_IMOD_INTERVAL_MASK (0xffff << 0) /* OTG Configuration Register */ #define DWC3_OCFG_DISPWRCUTTOFF BIT(5) #define DWC3_OCFG_HIBDISMASK BIT(4) #define DWC3_OCFG_SFTRSTMASK BIT(3) #define DWC3_OCFG_OTGVERSION BIT(2) #define DWC3_OCFG_HNPCAP BIT(1) #define DWC3_OCFG_SRPCAP BIT(0) /* OTG CTL Register */ #define DWC3_OCTL_OTG3GOERR BIT(7) #define DWC3_OCTL_PERIMODE BIT(6) #define DWC3_OCTL_PRTPWRCTL BIT(5) #define DWC3_OCTL_HNPREQ BIT(4) #define DWC3_OCTL_SESREQ BIT(3) #define DWC3_OCTL_TERMSELIDPULSE BIT(2) #define DWC3_OCTL_DEVSETHNPEN BIT(1) #define DWC3_OCTL_HSTSETHNPEN BIT(0) /* OTG Event Register */ #define DWC3_OEVT_DEVICEMODE BIT(31) #define DWC3_OEVT_XHCIRUNSTPSET BIT(27) #define DWC3_OEVT_DEVRUNSTPSET BIT(26) #define DWC3_OEVT_HIBENTRY BIT(25) #define DWC3_OEVT_CONIDSTSCHNG BIT(24) #define DWC3_OEVT_HRRCONFNOTIF BIT(23) #define DWC3_OEVT_HRRINITNOTIF BIT(22) #define DWC3_OEVT_ADEVIDLE BIT(21) #define DWC3_OEVT_ADEVBHOSTEND BIT(20) #define DWC3_OEVT_ADEVHOST BIT(19) #define DWC3_OEVT_ADEVHNPCHNG BIT(18) #define DWC3_OEVT_ADEVSRPDET BIT(17) #define DWC3_OEVT_ADEVSESSENDDET BIT(16) #define DWC3_OEVT_BDEVBHOSTEND BIT(11) #define DWC3_OEVT_BDEVHNPCHNG BIT(10) #define DWC3_OEVT_BDEVSESSVLDDET BIT(9) #define DWC3_OEVT_BDEVVBUSCHNG BIT(8) #define DWC3_OEVT_BSESSVLD BIT(3) #define DWC3_OEVT_HSTNEGSTS BIT(2) #define DWC3_OEVT_SESREQSTS BIT(1) #define DWC3_OEVT_ERROR BIT(0) /* OTG Event Enable Register */ #define DWC3_OEVTEN_XHCIRUNSTPSETEN BIT(27) #define DWC3_OEVTEN_DEVRUNSTPSETEN BIT(26) #define DWC3_OEVTEN_HIBENTRYEN BIT(25) #define DWC3_OEVTEN_CONIDSTSCHNGEN BIT(24) #define DWC3_OEVTEN_HRRCONFNOTIFEN BIT(23) #define DWC3_OEVTEN_HRRINITNOTIFEN BIT(22) #define DWC3_OEVTEN_ADEVIDLEEN BIT(21) #define DWC3_OEVTEN_ADEVBHOSTENDEN BIT(20) #define DWC3_OEVTEN_ADEVHOSTEN BIT(19) #define DWC3_OEVTEN_ADEVHNPCHNGEN BIT(18) #define DWC3_OEVTEN_ADEVSRPDETEN BIT(17) #define DWC3_OEVTEN_ADEVSESSENDDETEN BIT(16) #define DWC3_OEVTEN_BDEVBHOSTENDEN BIT(11) #define DWC3_OEVTEN_BDEVHNPCHNGEN BIT(10) #define DWC3_OEVTEN_BDEVSESSVLDDETEN BIT(9) #define DWC3_OEVTEN_BDEVVBUSCHNGEN BIT(8) /* OTG Status Register */ #define DWC3_OSTS_DEVRUNSTP BIT(13) #define DWC3_OSTS_XHCIRUNSTP BIT(12) #define DWC3_OSTS_PERIPHERALSTATE BIT(4) #define DWC3_OSTS_XHCIPRTPOWER BIT(3) #define DWC3_OSTS_BSESVLD BIT(2) #define DWC3_OSTS_VBUSVLD BIT(1) #define DWC3_OSTS_CONIDSTS BIT(0) /* Structures */ struct dwc3_trb; /** * 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 */ struct dwc3_event_buffer { void *buf; void *cache; unsigned length; unsigned int lpos; unsigned int count; unsigned int flags; #define DWC3_EVENT_PENDING BIT(0) dma_addr_t dma; struct dwc3 *dwc; }; #define DWC3_EP_FLAG_STALLED BIT(0) #define DWC3_EP_FLAG_WEDGED BIT(1) #define DWC3_EP_DIRECTION_TX true #define DWC3_EP_DIRECTION_RX false #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 * @trb_dequeue: dequeue 'pointer' into TRB array * @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 { struct usb_ep endpoint; struct list_head cancelled_list; struct list_head pending_list; struct list_head started_list; void __iomem *regs; struct dwc3_trb *trb_pool; dma_addr_t trb_pool_dma; struct dwc3 *dwc; u32 saved_state; unsigned 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) /* 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 num_pending_sgs; unsigned int num_queued_sgs; unsigned 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 num_trbs; unsigned needs_extra_trb:1; unsigned direction:1; unsigned 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 * @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) * @revision: revision register contents * @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 * @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. * @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; 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; /* * All 3.1 IP version constants are greater than the 3.0 IP * version constants. This works for most version checks in * dwc3. However, in the future, this may not apply as * features may be developed on newer versions of the 3.0 IP * that are not in the 3.1 IP. */ u32 revision; #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 /* * NOTICE: we're using bit 31 as a "is usb 3.1" flag. This is really * just so dwc31 revisions are always larger than dwc3. */ #define DWC3_REVISION_IS_DWC31 0x80000000 #define DWC3_USB31_REVISION_110A (0x3131302a | DWC3_REVISION_IS_DWC31) #define DWC3_USB31_REVISION_120A (0x3132302a | DWC3_REVISION_IS_DWC31) #define DWC3_USB31_REVISION_160A (0x3136302a | DWC3_REVISION_IS_DWC31) #define DWC3_USB31_REVISION_170A (0x3137302a | DWC3_REVISION_IS_DWC31) #define DWC3_USB31_REVISION_180A (0x3138302a | DWC3_REVISION_IS_DWC31) #define DWC3_USB31_REVISION_190A (0x3139302a | DWC3_REVISION_IS_DWC31) u32 version_type; #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 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; u16 imod_interval; }; #define INCRX_BURST_MODE 0 #define INCRX_UNDEF_LENGTH_BURST_MODE 1 #define work_to_dwc(w) (container_of((w), struct dwc3, drd_work)) /* -------------------------------------------------------------------------- */ 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 #define DWC3_DEPEVT_RXTXFIFOEVT 0x04 #define DWC3_DEPEVT_STREAMEVT 0x06 #define DWC3_DEPEVT_EPCMDCMPLT 0x07 /** * struct dwc3_event_depvt - 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 /* 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); /* check whether we are on the DWC_usb3 core */ static inline bool dwc3_is_usb3(struct dwc3 *dwc) { return !(dwc->revision & DWC3_REVISION_IS_DWC31); } /* check whether we are on the DWC_usb31 core */ static inline bool dwc3_is_usb31(struct dwc3 *dwc) { return !!(dwc->revision & DWC3_REVISION_IS_DWC31); } 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 cmd, struct dwc3_gadget_ep_cmd_params *params); int dwc3_send_gadget_generic_command(struct dwc3 *dwc, unsigned 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 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 */
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