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/*
* USB UHCI controller emulation
*
* Copyright (c) 2005 Fabrice Bellard
*
* Copyright (c) 2008 Max Krasnyansky
* Magor rewrite of the UHCI data structures parser and frame processor
* Support for fully async operation and multiple outstanding transactions
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef HW_USB_HCD_UHCI_H
#define HW_USB_HCD_UHCI_H
#include "exec/memory.h"
#include "qemu/timer.h"
#include "hw/pci/pci_device.h"
#include "hw/usb.h"
typedef struct UHCIQueue UHCIQueue;
#define NB_PORTS 2
typedef struct UHCIPort {
USBPort port;
uint16_t ctrl;
} UHCIPort;
typedef struct UHCIState {
PCIDevice dev;
MemoryRegion io_bar;
USBBus bus; /* Note unused when we're a companion controller */
uint16_t cmd; /* cmd register */
uint16_t status;
uint16_t intr; /* interrupt enable register */
uint16_t frnum; /* frame number */
uint32_t fl_base_addr; /* frame list base address */
uint8_t sof_timing;
uint8_t status2; /* bit 0 and 1 are used to generate UHCI_STS_USBINT */
int64_t expire_time;
QEMUTimer *frame_timer;
QEMUBH *bh;
uint32_t frame_bytes;
uint32_t frame_bandwidth;
bool completions_only;
UHCIPort ports[NB_PORTS];
qemu_irq irq;
/* Interrupts that should be raised at the end of the current frame. */
uint32_t pending_int_mask;
/* Active packets */
QTAILQ_HEAD(, UHCIQueue) queues;
uint8_t num_ports_vmstate;
/* Properties */
char *masterbus;
uint32_t firstport;
uint32_t maxframes;
} UHCIState;
#define TYPE_UHCI "pci-uhci-usb"
DECLARE_INSTANCE_CHECKER(UHCIState, UHCI, TYPE_UHCI)
typedef struct UHCIInfo {
const char *name;
uint16_t vendor_id;
uint16_t device_id;
uint8_t revision;
uint8_t irq_pin;
void (*realize)(PCIDevice *dev, Error **errp);
bool unplug;
bool notuser; /* disallow user_creatable */
} UHCIInfo;
void uhci_data_class_init(ObjectClass *klass, void *data);
void usb_uhci_common_realize(PCIDevice *dev, Error **errp);
#endif
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