- /*
- * SL811HS HCD (Host Controller Driver) for USB.
- *
- * COPYRIGHT (C) by CYPRESS SEMICONDUCTOR INC
- *
- *
- */
- #define GET_FRAME_NUMBER(hci) READ_REG32 (hci, HcFmNumber)
- /*
- * Maximum number of root hub ports
- */
- #define MAX_ROOT_PORTS 15 /* maximum OHCI root hub ports */
- /* control and status registers */
- #define HcRevision 0x00
- #define HcControl 0x01
- #define HcCommandStatus 0x02
- #define HcInterruptStatus 0x03
- #define HcInterruptEnable 0x04
- #define HcInterruptDisable 0x05
- #define HcFmInterval 0x0D
- #define HcFmRemaining 0x0E
- #define HcFmNumber 0x0F
- #define HcLSThreshold 0x11
- #define HcRhDescriptorA 0x12
- #define HcRhDescriptorB 0x13
- #define HcRhStatus 0x14
- #define HcRhPortStatus 0x15
- #define HcHardwareConfiguration 0x20
- #define HcDMAConfiguration 0x21
- #define HcTransferCounter 0x22
- #define HcuPInterrupt 0x24
- #define HcuPInterruptEnable 0x25
- #define HcChipID 0x27
- #define HcScratch 0x28
- #define HcSoftwareReset 0x29
- #define HcITLBufferLength 0x2A
- #define HcATLBufferLength 0x2B
- #define HcBufferStatus 0x2C
- #define HcReadBackITL0Length 0x2D
- #define HcReadBackITL1Length 0x2E
- #define HcITLBufferPort 0x40
- #define HcATLBufferPort 0x41
- /* OHCI CONTROL AND STATUS REGISTER MASKS */
- /*
- * HcControl (control) register masks
- */
- #define OHCI_CTRL_HCFS (3 << 6) /* BUS state mask */
- #define OHCI_CTRL_RWC (1 << 9) /* remote wakeup connected */
- #define OHCI_CTRL_RWE (1 << 10) /* remote wakeup enable */
- /* pre-shifted values for HCFS */
- #define OHCI_USB_RESET (0 << 6)
- #define OHCI_USB_RESUME (1 << 6)
- #define OHCI_USB_OPER (2 << 6)
- #define OHCI_USB_SUSPEND (3 << 6)
- /*
- * HcCommandStatus (cmdstatus) register masks
- */
- #define OHCI_HCR (1 << 0) /* host controller reset */
- #define OHCI_SO (3 << 16) /* scheduling overrun count */
- /*
- * masks used with interrupt registers:
- * HcInterruptStatus (intrstatus)
- * HcInterruptEnable (intrenable)
- * HcInterruptDisable (intrdisable)
- */
- #define OHCI_INTR_SO (1 << 0) /* scheduling overrun */
- #define OHCI_INTR_SF (1 << 2) /* start frame */
- #define OHCI_INTR_RD (1 << 3) /* resume detect */
- #define OHCI_INTR_UE (1 << 4) /* unrecoverable error */
- #define OHCI_INTR_FNO (1 << 5) /* frame number overflow */
- #define OHCI_INTR_RHSC (1 << 6) /* root hub status change */
- #define OHCI_INTR_ATD (1 << 7) /* scheduling overrun */
- #define OHCI_INTR_MIE (1 << 31) /* master interrupt enable */
- /*
- * HcHardwareConfiguration
- */
- #define InterruptPinEnable (1 << 0)
- #define InterruptPinTrigger (1 << 1)
- #define InterruptOutputPolarity (1 << 2)
- #define DataBusWidth16 (1 << 3)
- #define DREQOutputPolarity (1 << 5)
- #define DACKInputPolarity (1 << 6)
- #define EOTInputPolarity (1 << 7)
- #define DACKMode (1 << 8)
- #define AnalogOCEnable (1 << 10)
- #define SuspendClkNotStop (1 << 11)
- #define DownstreamPort15KRSel (1 << 12)
- /*
- * HcDMAConfiguration
- */
- #define DMAReadWriteSelect (1 << 0)
- #define ITL_ATL_DataSelect (1 << 1)
- #define DMACounterSelect (1 << 2)
- #define DMAEnable (1 << 4)
- #define BurstLen_1 0
- #define BurstLen_4 (1 << 5)
- #define BurstLen_8 (2 << 5)
- /*
- * HcuPInterrupt
- */
- #define SOFITLInt (1 << 0)
- #define ATLInt (1 << 1)
- #define AllEOTInterrupt (1 << 2)
- #define OPR_Reg (1 << 4)
- #define HCSuspended (1 << 5)
- #define ClkReady (1 << 6)
- /*
- * HcBufferStatus
- */
- #define ITL0BufferFull (1 << 0)
- #define ITL1BufferFull (1 << 1)
- #define ATLBufferFull (1 << 2)
- #define ITL0BufferDone (1 << 3)
- #define ITL1BufferDone (1 << 4)
- #define ATLBufferDone (1 << 5)
- /* OHCI ROOT HUB REGISTER MASKS */
- /* roothub.portstatus [i] bits */
- #define RH_PS_CCS 0x00000001 /* current connect status */
- #define RH_PS_PES 0x00000002 /* port enable status */
- #define RH_PS_PSS 0x00000004 /* port suspend status */
- #define RH_PS_POCI 0x00000008 /* port over current indicator */
- #define RH_PS_PRS 0x00000010 /* port reset status */
- #define RH_PS_PPS 0x00000100 /* port power status */
- #define RH_PS_LSDA 0x00000200 /* low speed device attached */
- #define RH_PS_CSC 0x00010000 /* connect status change */
- #define RH_PS_PESC 0x00020000 /* port enable status change */
- #define RH_PS_PSSC 0x00040000 /* port suspend status change */
- #define RH_PS_OCIC 0x00080000 /* over current indicator change */
- #define RH_PS_PRSC 0x00100000 /* port reset status change */
- /* roothub.status bits */
- #define RH_HS_LPS 0x00000001 /* local power status */
- #define RH_HS_OCI 0x00000002 /* over current indicator */
- #define RH_HS_DRWE 0x00008000 /* device remote wakeup enable */
- #define RH_HS_LPSC 0x00010000 /* local power status change */
- #define RH_HS_OCIC 0x00020000 /* over current indicator change */
- #define RH_HS_CRWE 0x80000000 /* clear remote wakeup enable */
- /* roothub.b masks */
- #define RH_B_DR 0x0000ffff /* device removable flags */
- #define RH_B_PPCM 0xffff0000 /* port power control mask */
- /* roothub.a masks */
- #define RH_A_NDP (0xff << 0) /* number of downstream ports */
- #define RH_A_PSM (1 << 8) /* power switching mode */
- #define RH_A_NPS (1 << 9) /* no power switching */
- #define RH_A_DT (1 << 10) /* device type (mbz) */
- #define RH_A_OCPM (1 << 11) /* over current protection mode */
- #define RH_A_NOCP (1 << 12) /* no over current protection */
- #define RH_A_POTPGT (0xff << 24) /* power on to power good time */
- #define URB_DEL 1
- #define PORT_STAT_DEFAULT 0x0100
- #define PORT_CONNECT_STAT 0x1
- #define PORT_ENABLE_STAT 0x2
- #define PORT_SUSPEND_STAT 0x4
- #define PORT_OVER_CURRENT_STAT 0x8
- #define PORT_RESET_STAT 0x10
- #define PORT_POWER_STAT 0x100
- #define PORT_LOW_SPEED_DEV_ATTACH_STAT 0x200
- #define PORT_CHANGE_DEFAULT 0x0
- #define PORT_CONNECT_CHANGE 0x1
- #define PORT_ENABLE_CHANGE 0x2
- #define PORT_SUSPEND_CHANGE 0x4
- #define PORT_OVER_CURRENT_CHANGE 0x8
- #define PORT_RESET_CHANGE 0x10
- /* Port Status Request info */
- typedef struct portstat {
- __u16 portChange;
- __u16 portStatus;
- } portstat_t;
- typedef struct hcipriv {
- int irq;
- int disabled; /* e.g. got a UE, we're hung */
- atomic_t resume_count; /* defending against multiple resumes */
- struct ohci_regs *regs; /* OHCI controller's memory */
- int hcport; /* I/O base address */
- int hcport2; /* I/O data reg addr */
- struct portstat *RHportStatus; /* root hub port status */
- int intrstatus;
- __u32 hc_control; /* copy of the hc control reg */
- int frame;
- __u8 *tl;
- int xferPktLen;
- int atl_len;
- int atl_buffer_len;
- int itl0_len;
- int itl1_len;
- int itl_buffer_len;
- int itl_index;
- int tl_last;
- int units_left;
- } hcipriv_t;
- struct hci;
- #define cClt 0 // Control
- #define cISO 1 // ISO
- #define cBULK 2 // BULK
- #define cInt 3 // Interrupt
- #define ISO_BIT 0x10
- /*-------------------------------------------------------------------------
- * EP0 use for configuration and Vendor Specific command interface
- *------------------------------------------------------------------------*/
- #define cMemStart 0x10
- #define EP0Buf 0x40 /* SL11H/SL811H memory start at 0x40 */
- #define EP0Len 0x40 /* Length of config buffer EP0Buf */
- #define EP1Buf 0x60
- #define EP1Len 0x40
- /*-------------------------------------------------------------------------
- * SL11H/SL811H memory from 80h-ffh use as ping-pong buffer.
- *------------------------------------------------------------------------*/
- #define uBufA 0x80 /* buffer A address for DATA0 */
- #define uBufB 0xc0 /* buffer B address for DATA1 */
- #define uXferLen 0x40 /* xfer length */
- #define sMemSize 0xc0 /* Total SL11 memory size */
- #define cMemEnd 256
- /*-------------------------------------------------------------------------
- * SL811H Register Control memory map
- * --Note:
- * --SL11H only has one control register set from 0x00-0x04
- * --SL811H has two control register set from 0x00-0x04 and 0x08-0x0c
- *------------------------------------------------------------------------*/
- #define EP0Control 0x00
- #define EP0Address 0x01
- #define EP0XferLen 0x02
- #define EP0Status 0x03
- #define EP0Counter 0x04
- #define EP1Control 0x08
- #define EP1Address 0x09
- #define EP1XferLen 0x0a
- #define EP1Status 0x0b
- #define EP1Counter 0x0c
- #define CtrlReg 0x05
- #define IntEna 0x06
- // 0x07 is reserved
- #define IntStatus 0x0d
- #define cDATASet 0x0e
- #define cSOFcnt 0x0f
- #define IntMask 0x57 /* Reset|DMA|EP0|EP2|EP1 for IntEna */
- #define HostMask 0x47 /* Host request command for IntStatus */
- #define ReadMask 0xd7 /* Read mask interrupt for IntStatus */
- /*-------------------------------------------------------------------------
- * Standard Chapter 9 definition
- *-------------------------------------------------------------------------
- */
- #define GET_STATUS 0x00
- #define CLEAR_FEATURE 0x01
- #define SET_FEATURE 0x03
- #define SET_ADDRESS 0x05
- #define GET_DESCRIPTOR 0x06
- #define SET_DESCRIPTOR 0x07
- #define GET_CONFIG 0x08
- #define SET_CONFIG 0x09
- #define GET_INTERFACE 0x0a
- #define SET_INTERFACE 0x0b
- #define SYNCH_FRAME 0x0c
- #define DEVICE 0x01
- #define CONFIGURATION 0x02
- #define STRING 0x03
- #define INTERFACE 0x04
- #define ENDPOINT 0x05
- /*-------------------------------------------------------------------------
- * SL11H/SL811H definition
- *-------------------------------------------------------------------------
- */
- #define DATA0_WR 0x07 // (Arm+Enable+tranmist to Host+DATA0)
- #define DATA1_WR 0x47 // (Arm+Enable+tranmist to Host on DATA1)
- #define ZDATA0_WR 0x05 // (Arm+Transaction Ignored+tranmist to Host+DATA0)
- #define ZDATA1_WR 0x45 // (Arm+Transaction Ignored+tranmist to Host+DATA1)
- #define DATA0_RD 0x03 // (Arm+Enable+received from Host+DATA0)
- #define DATA1_RD 0x43 // (Arm+Enable+received from Host+DATA1)
- #define PID_SETUP 0x2d // USB Specification 1.1 Standard Definition
- #define PID_SOF 0xA5
- #define PID_IN 0x69
- #define PID_OUT 0xe1
- #define MAX_RETRY 0xffff
- #define TIMEOUT 5 /* 2 mseconds */
- #define SL11H_HOSTCTLREG 0
- #define SL11H_BUFADDRREG 1
- #define SL11H_BUFLNTHREG 2
- #define SL11H_PKTSTATREG 3 /* read */
- #define SL11H_PIDEPREG 3 /* write */
- #define SL11H_XFERCNTREG 4 /* read */
- #define SL11H_DEVADDRREG 4 /* write */
- #define SL11H_CTLREG1 5
- #define SL11H_INTENBLREG 6
- #define SL11H_HOSTCTLREG_B 8
- #define SL11H_BUFADDRREG_B 9
- #define SL11H_BUFLNTHREG_B 0x0A
- #define SL11H_PKTSTATREG_B 0x0B /* read */
- #define SL11H_PIDEPREG_B 0x0B /* write */
- #define SL11H_XFERCNTREG_B 0x0C /* read */
- #define SL11H_DEVADDRREG_B 0x0C /* write */
- #define SL11H_INTSTATREG 0x0D /* write clears bitwise */
- #define SL11H_HWREVREG 0x0E /* read */
- #define SL11H_SOFLOWREG 0x0E /* write */
- #define SL11H_SOFTMRREG 0x0F /* read */
- #define SL11H_CTLREG2 0x0F /* write */
- #define SL11H_DATA_START 0x10
- /* Host control register bits (addr 0) */
- #define SL11H_HCTLMASK_ARM 1
- #define SL11H_HCTLMASK_ENBLEP 2
- #define SL11H_HCTLMASK_WRITE 4
- #define SL11H_HCTLMASK_ISOCH 0x10
- #define SL11H_HCTLMASK_AFTERSOF 0x20
- #define SL11H_HCTLMASK_SEQ 0x40
- #define SL11H_HCTLMASK_PREAMBLE 0x80
- /* Packet status register bits (addr 3) */
- #define SL11H_STATMASK_ACK 1
- #define SL11H_STATMASK_ERROR 2
- #define SL11H_STATMASK_TMOUT 4
- #define SL11H_STATMASK_SEQ 8
- #define SL11H_STATMASK_SETUP 0x10
- #define SL11H_STATMASK_OVF 0x20
- #define SL11H_STATMASK_NAK 0x40
- #define SL11H_STATMASK_STALL 0x80
- /* Control register 1 bits (addr 5) */
- #define SL11H_CTL1MASK_DSBLSOF 1
- #define SL11H_CTL1MASK_NOTXEOF2 4
- #define SL11H_CTL1MASK_DSTATE 0x18
- #define SL11H_CTL1MASK_NSPD 0x20
- #define SL11H_CTL1MASK_SUSPEND 0x40
- #define SL11H_CTL1MASK_CLK12 0x80
- #define SL11H_CTL1VAL_RESET 8
- /* Interrut enable (addr 6) and interrupt status register bits (addr 0xD) */
- #define SL11H_INTMASK_XFERDONE 1
- #define SL11H_INTMASK_SOFINTR 0x10
- #define SL11H_INTMASK_INSRMV 0x20
- #define SL11H_INTMASK_USBRESET 0x40
- #define SL11H_INTMASK_DSTATE 0x80 /* only in status reg */
- /* HW rev and SOF lo register bits (addr 0xE) */
- #define SL11H_HWRMASK_HWREV 0xF0
- /* SOF counter and control reg 2 (addr 0xF) */
- #define SL11H_CTL2MASK_SOFHI 0x3F
- #define SL11H_CTL2MASK_DSWAP 0x40
- #define SL11H_CTL2MASK_HOSTMODE 0xae