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/*
* QEMU USB OHCI Emulation
* Copyright (c) 2004 Gianni Tedesco
* Copyright (c) 2006 CodeSourcery
* Copyright (c) 2006 Openedhand Ltd.
*
* 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 2.1 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef HCD_OHCI_H
#define HCD_OHCI_H
#include "sysemu/dma.h"
#include "hw/usb.h"
#include "qom/object.h"
/* Number of Downstream Ports on the root hub: */
#define OHCI_MAX_PORTS 15
typedef struct OHCIPort {
USBPort port;
uint32_t ctrl;
} OHCIPort;
typedef struct OHCIState {
USBBus bus;
qemu_irq irq;
MemoryRegion mem;
AddressSpace *as;
uint32_t num_ports;
const char *name;
QEMUTimer *eof_timer;
int64_t sof_time;
/* OHCI state */
/* Control partition */
uint32_t ctl, status;
uint32_t intr_status;
uint32_t intr;
/* memory pointer partition */
uint32_t hcca;
uint32_t ctrl_head, ctrl_cur;
uint32_t bulk_head, bulk_cur;
uint32_t per_cur;
uint32_t done;
int32_t done_count;
/* Frame counter partition */
uint16_t fsmps;
uint8_t fit;
uint16_t fi;
uint8_t frt;
uint16_t frame_number;
uint16_t padding;
uint32_t pstart;
uint32_t lst;
/* Root Hub partition */
uint32_t rhdesc_a, rhdesc_b;
uint32_t rhstatus;
OHCIPort rhport[OHCI_MAX_PORTS];
/* PXA27x Non-OHCI events */
uint32_t hstatus;
uint32_t hmask;
uint32_t hreset;
uint32_t htest;
/* SM501 local memory offset */
dma_addr_t localmem_base;
/* Active packets. */
uint32_t old_ctl;
USBPacket usb_packet;
uint8_t usb_buf[8192];
uint32_t async_td;
bool async_complete;
void (*ohci_die)(struct OHCIState *ohci);
} OHCIState;
#define TYPE_SYSBUS_OHCI "sysbus-ohci"
typedef struct OHCISysBusState OHCISysBusState;
DECLARE_INSTANCE_CHECKER(OHCISysBusState, SYSBUS_OHCI,
TYPE_SYSBUS_OHCI)
struct OHCISysBusState {
/*< private >*/
SysBusDevice parent_obj;
/*< public >*/
OHCIState ohci;
char *masterbus;
uint32_t num_ports;
uint32_t firstport;
dma_addr_t dma_offset;
};
extern const VMStateDescription vmstate_ohci_state;
void usb_ohci_init(OHCIState *ohci, DeviceState *dev, uint32_t num_ports,
dma_addr_t localmem_base, char *masterbus,
uint32_t firstport, AddressSpace *as,
void (*ohci_die_fn)(struct OHCIState *), Error **errp);
void ohci_bus_stop(OHCIState *ohci);
void ohci_stop_endpoints(OHCIState *ohci);
void ohci_hard_reset(OHCIState *ohci);
void ohci_sysbus_die(struct OHCIState *ohci);
#endif
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