///////////////////////////////////////////////////////////////////////// // $Id: usb_ohci.h,v 1.16 2009-05-12 16:18:19 vruppert Exp $ ///////////////////////////////////////////////////////////////////////// // // Copyright (C) 2009 Benjamin D Lunt (fys at frontiernet net) // // This library is free software; you can redistribute it and/or // modify it under the terms of the GNU Lesser General Public // License as published by the Free Software Foundation; either // version 2 of the License, or (at your option) any later version. // // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU // Lesser General Public License for more details. // // You should have received a copy of the GNU Lesser General Public // License along with this library; if not, write to the Free Software // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ///////////////////////////////////////////////////////////////////////// #ifndef BX_IODEV_USB_OHCI_H #define BX_IODEV_USB_OHCI_H #if BX_USE_USB_OHCI_SMF # define BX_OHCI_THIS theUSB_OHCI-> # define BX_OHCI_THIS_PTR theUSB_OHCI #else # define BX_OHCI_THIS this-> # define BX_OHCI_THIS_PTR this #endif // number of ports defined in bochs.h #define OHCI_INTR_SO (1<<0) // Scheduling overrun #define OHCI_INTR_WD (1<<1) // HcDoneHead writeback #define OHCI_INTR_SF (1<<2) // Start of 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_OC (1<<30) // Ownership change #define OHCI_INTR_MIE (1<<31) // Master Interrupt Enable // Completion Codes enum { NoError = 0, CRC, BitStuffing, DataToggleMismatch, Stall, DeviceNotResponding, PIDCheckFailure, UnexpectedPID, DataOverrun, DataUnderrun, BufferOverrun = 0xC, BufferUnderrun, NotAccessed }; #define ED_GET_MPS(x) (((x)->dword0 & 0x07FF0000) >> 16) #define ED_GET_F(x) (((x)->dword0 & 0x00008000) >> 15) #define ED_GET_K(x) (((x)->dword0 & 0x00004000) >> 14) #define ED_GET_S(x) (((x)->dword0 & 0x00002000) >> 13) #define ED_GET_D(x) (((x)->dword0 & 0x00001800) >> 11) #define ED_GET_EN(x) (((x)->dword0 & 0x00000780) >> 7) #define ED_GET_FA(x) (((x)->dword0 & 0x0000007F) >> 0) #define ED_GET_TAILP(x) ((x)->dword1 & 0xFFFFFFF0) #define ED_GET_HEADP(x) ((x)->dword2 & 0xFFFFFFF0) #define ED_SET_HEADP(x, y) ((x)->dword2 = ((x)->dword2 & 0x0000000F) | ((y) & 0xFFFFFFF0)) #define ED_GET_C(x) (((x)->dword2 & 0x00000002) >> 1) #define ED_SET_C(x,y) ((x)->dword2 = ((x)->dword2 & ~0x00000002) | ((y)<<1)) #define ED_GET_H(x) (((x)->dword2 & 0x00000001) >> 0) #define ED_SET_H(x,y) ((x)->dword2 = ((x)->dword2 & ~0x00000001) | ((y)<<0)) #define ED_GET_NEXTED(x) ((x)->dword3 & 0xFFFFFFF0) struct OHCI_ED { Bit32u dword0; Bit32u dword1; Bit32u dword2; Bit32u dword3; }; #define TD_GET_R(x) (((x)->dword0 & 0x00040000) >> 18) #define TD_GET_DP(x) (((x)->dword0 & 0x00180000) >> 19) #define TD_GET_DI(x) (((x)->dword0 & 0x00E00000) >> 21) #define TD_GET_T(x) (((x)->dword0 & 0x03000000) >> 24) #define TD_SET_T(x,y) ((x)->dword0 = ((x)->dword0 & ~0x03000000) | ((y)<<24)) #define TD_GET_EC(x) (((x)->dword0 & 0x0C000000) >> 26) #define TD_SET_EC(x,y) ((x)->dword0 = ((x)->dword0 & ~0x0C000000) | ((y)<<26)) #define TD_GET_CC(x) (((x)->dword0 & 0xF0000000) >> 28) #define TD_SET_CC(x,y) ((x)->dword0 = ((x)->dword0 & ~0xF0000000) | ((y)<<28)) #define TD_GET_CBP(x) ((x)->dword1) #define TD_SET_CBP(x,y) ((x)->dword1 = y) #define TD_GET_NEXTTD(x) ((x)->dword2 & 0xFFFFFFF0) #define TD_SET_NEXTTD(x,y) ((x)->dword2 = (y & 0xFFFFFFF0)) #define TD_GET_BE(x) ((x)->dword3) struct OHCI_TD { Bit32u dword0; Bit32u dword1; Bit32u dword2; Bit32u dword3; }; #define ISO_TD_GET_CC(x) (((x)->dword0 & 0xF0000000) >> 28) #define ISO_TD_GET_FC(x) (((x)->dword0 & 0x0F000000) >> 24) #define ISO_TD_GET_DI(x) (((x)->dword0 & 0x00E00000) >> 21) #define ISO_TD_GET_SF(x) ((x)->dword0 & 0x0000FFFF) #define ISO_TD_GET_BP0(x) (((x)->dword1 & 0xFFFFF000) >> 12) #define ISO_TD_GET_NEXTTD(x) ((x)->dword2 & 0xFFFFFFF0) #define ISO_TD_GET_BE(x) ((x)->dword3) #define ISO_TD_GET_PSW0(x) ((x)->dword4 & 0x0000FFFF) #define ISO_TD_GET_PSW1(x) (((x)->dword4 & 0xFFFF0000) >> 16) #define ISO_TD_GET_PSW2(x) ((x)->dword5 & 0x0000FFFF) #define ISO_TD_GET_PSW3(x) (((x)->dword5 & 0xFFFF0000) >> 16) #define ISO_TD_GET_PSW4(x) ((x)->dword6 & 0x0000FFFF) #define ISO_TD_GET_PSW5(x) (((x)->dword6 & 0xFFFF0000) >> 16) #define ISO_TD_GET_PSW6(x) ((x)->dword7 & 0x0000FFFF) #define ISO_TD_GET_PSW7(x) (((x)->dword7 & 0xFFFF0000) >> 16) struct OHCI_ISO_TD { Bit32u dword0; Bit32u dword1; Bit32u dword2; Bit32u dword3; Bit32u dword4; Bit32u dword5; Bit32u dword6; Bit32u dword7; }; typedef struct { Bit32u base_addr; int frame_index; int interval_index; struct OHCI_OP_REGS { Bit16u HcRevision; struct { Bit32u reserved; // 21 bit reserved = 0x000000 R R bx_bool rwe; // 1 bit RemoteWakeupEnable = 0b RW R bx_bool rwc; // 1 bit RemoteWakeupConnected = 0b RW RW bx_bool ir; // 1 bit InterruptRouting = 0b RW R Bit8u hcfs; // 2 bit HostControllerFuncState = 00b RW RW bx_bool ble; // 1 bit BulkListEnable = 0b RW R bx_bool cle; // 1 bit ControlListEnable = 0b RW R bx_bool ie; // 1 bit IsochronousEnable = 0b RW R bx_bool ple; // 1 bit PeriodicListEnable = 0b RW R Bit8u cbsr; // 2 bit ControlBulkService Ratio = 00b RW R } HcControl; // = 0x00000000 struct { Bit16u reserved0; // 14 bit reserved = 0x000000 R R Bit8u soc; // 2 bit SchedulingOverrunCount = 00b R RW Bit16u reserved1; // 12 bit reserved = 0x000000 R R bx_bool ocr; // 1 bit OwnershipChangeRequest = 0b RW RW bx_bool blf; // 1 bit BulkListFilled = 0b RW RW bx_bool clf; // 1 bit ControlListFilled = 0b RW RW bx_bool hcr; // 1 bit HostControllerReset = 0b RW RW } HcCommandStatus; // = 0x00000000 Bit32u HcInterruptStatus; Bit32u HcInterruptEnable; Bit32u HcHCCA; Bit32u HcPeriodCurrentED; Bit32u HcControlHeadED; Bit32u HcControlCurrentED; Bit32u HcBulkHeadED; Bit32u HcBulkCurrentED; Bit32u HcDoneHead; struct { bx_bool fit; // 1 bit FrameIntervalToggle = 0b RW R Bit16u fsmps; // 15 bit FSLargestDataPacket = TBD (0) RW R Bit8u reserved; // 2 bit reserved = 00b R R Bit16u fi; // 14 bit FrameInterval = 0x2EDF RW R } HcFmInterval; // = 0x00002EDF bx_bool HcFmRemainingToggle; // 1 bit FrameRemainingToggle = 0b R RW Bit32u HcFmNumber; Bit32u HcPeriodicStart; Bit16u HcLSThreshold; struct { Bit8u potpgt; // 8 bit PowerOnToPowerGoodTime = 0x10 RW R Bit16u reserved; // 11 bit reserved = 0x000 R R bx_bool nocp; // 1 bit NoOverCurrentProtection = 0b RW R bx_bool ocpm; // 1 bit OverCurrentProtectionMode = 1b RW R bx_bool dt; // 1 bit DeviceType = 0b R R bx_bool nps; // 1 bit NoPowerSwitching = 0b RW R bx_bool psm; // 1 bit PowerSwitchingMode = 1b RW R Bit8u ndp; // 8 bit NumberDownstreamPorts = NUMPORTS RW R } HcRhDescriptorA; // = 0x100009xx struct { Bit16u ppcm; // 16 bit PortPowerControlMask = 0x0002 RW R Bit16u dr; // 16 bit DeviceRemovable = 0x0000 RW R } HcRhDescriptorB; // = 0x00020000 struct { bx_bool crwe; // 1 bit ClearRemoteWakeupEnable = 0b WC R Bit16u reserved0; // 13 bit reserved = 0x000000 R R bx_bool ocic; // 1 bit OverCurrentIndicatorChange = 0b RW RW bx_bool lpsc; // 1 bit LocalPowerStatusChange(r) = 0b RW R bx_bool drwe; // 1 bit DeviceRemoteWakeupEnable(r) = 0b RW R Bit16u reserved1; // 13 bit reserved = 0x000000 R R bx_bool oci; // 1 bit OverCurrentIndicator = 0b R RW bx_bool lps; // 1 bit LocalPowerStatus(r) = 0b RW R } HcRhStatus; // = 0x00000000 } op_regs; struct { // our data usb_device_c *device; // device connected to this port struct { Bit16u reserved0; // 11 bit reserved = 0x000000 R R bx_bool prsc; // 1 bit PortResetStatusChange = 0b RW RW bx_bool ocic; // 1 bit OverCurrentIndicatorChange = 0b RW RW bx_bool pssc; // 1 bit PortSuspendStatusChange = 0b RW RW bx_bool pesc; // 1 bit PortEnableStatusChange = 0b RW RW bx_bool csc; // 1 bit ConnectStatusChange = 0b RW RW Bit8u reserved1; // 6 bit reserved = 0x00 R R bx_bool lsda; // 1 bit LowSpeedDeviceAttached = 0b RW RW bx_bool pps; // 1 bit PortPowerStatus = 0b RW RW Bit8u reserved2; // 3 bit reserved = 0x0 R R bx_bool prs; // 1 bit PortResetStatus = 0b RW RW bx_bool poci; // 1 bit PortOverCurrentIndicator = 0b RW RW bx_bool pss; // 1 bit PortSuspendStatus = 0b RW RW bx_bool pes; // 1 bit PortEnableStatus = 0b RW RW bx_bool ccs; // 1 bit CurrentConnectStatus = 0b RW RW } HcRhPortStatus; } usb_port[BX_N_USB_OHCI_PORTS]; Bit8u pci_conf[256]; Bit8u devfunc; unsigned ohci_done_count; bx_bool use_control_head; bx_bool use_bulk_head; Bit64u sof_time; int statusbar_id; // ID of the status LEDs int iolight_counter; int iolight_timer_index; } bx_usb_ohci_t; class bx_usb_ohci_c : public bx_devmodel_c, public bx_pci_device_stub_c { public: bx_usb_ohci_c(); virtual ~bx_usb_ohci_c(); virtual void init(void); virtual void reset(unsigned); virtual void register_state(void); virtual void after_restore_state(void); virtual Bit32u pci_read_handler(Bit8u address, unsigned io_len); virtual void pci_write_handler(Bit8u address, Bit32u value, unsigned io_len); static const char *usb_param_handler(bx_param_string_c *param, int set, const char *oldval, const char *val, int maxlen); private: bx_usb_ohci_t hub; Bit8u *device_buffer; USBPacket usb_packet; static void reset_hc(); static void reset_port(int); static void update_irq(); static void set_interrupt(Bit32u value); static void init_device(Bit8u port, const char *devname); static void remove_device(Bit8u port); static int broadcast_packet(USBPacket *p); static void usb_set_connect_status(Bit8u port, int type, bx_bool connected); static void usb_frame_handler(void *); void usb_frame_timer(void); static Bit32u get_frame_remaining(void); void process_ed(struct OHCI_ED *, const Bit32u); bx_bool process_td(struct OHCI_TD *, struct OHCI_ED *); #if BX_USE_USB_OHCI_SMF static bx_bool read_handler(bx_phy_address addr, unsigned len, void *data, void *param); static bx_bool write_handler(bx_phy_address addr, unsigned len, void *data, void *param); #else bx_bool read_handler(bx_phy_address addr, unsigned len, void *data, void *param); bx_bool write_handler(bx_phy_address addr, unsigned len, void *data, void *param); #endif static void iolight_timer_handler(void *); void iolight_timer(void); }; #endif // BX_IODEV_USB_OHCI_H