Bochs/bochs/iodev/usb_ohci.h

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/////////////////////////////////////////////////////////////////////////
// $Id$
/////////////////////////////////////////////////////////////////////////
//
// 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
2009-02-08 00:05:31 +03:00
/////////////////////////////////////////////////////////////////////////
#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 {
int frame_timer_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 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
Bit8u device_change;
} 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, bx_list_c *portconf);
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 runtime_config_handler(void *);
void runtime_config(void);
};
#endif // BX_IODEV_USB_OHCI_H