Archipelago » qemu

/*

 * QEMU USB API

 * 

 * Copyright (c) 2005 Fabrice Bellard

 * 

 * 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.

 */

#define USB_TOKEN_SETUP 0x2d

#define USB_TOKEN_IN    0x69 /* device -> host */

#define USB_TOKEN_OUT   0xe1 /* host -> device */

/* specific usb messages, also sent in the 'pid' parameter */

#define USB_MSG_ATTACH   0x100

#define USB_MSG_DETACH   0x101

#define USB_MSG_RESET    0x102

#define USB_RET_NODEV  (-1) 

#define USB_RET_NAK    (-2)

#define USB_RET_STALL  (-3)

#define USB_RET_BABBLE (-4)

#define USB_SPEED_LOW   0

#define USB_SPEED_FULL  1

#define USB_SPEED_HIGH  2

#define USB_STATE_NOTATTACHED 0

#define USB_STATE_ATTACHED    1

//#define USB_STATE_POWERED     2

#define USB_STATE_DEFAULT     3

//#define USB_STATE_ADDRESS     4

//#define        USB_STATE_CONFIGURED  5

#define USB_STATE_SUSPENDED   6

#define USB_CLASS_AUDIO                        1

#define USB_CLASS_COMM                        2

#define USB_CLASS_HID                        3

#define USB_CLASS_PHYSICAL                5

#define USB_CLASS_STILL_IMAGE                6

#define USB_CLASS_PRINTER                7

#define USB_CLASS_MASS_STORAGE                8

#define USB_CLASS_HUB                        9

#define USB_CLASS_CDC_DATA                0x0a

#define USB_CLASS_CSCID                        0x0b

#define USB_CLASS_CONTENT_SEC                0x0d

#define USB_CLASS_APP_SPEC                0xfe

#define USB_CLASS_VENDOR_SPEC                0xff

#define USB_DIR_OUT                        0

#define USB_DIR_IN                        0x80

#define USB_TYPE_MASK                        (0x03 << 5)

#define USB_TYPE_STANDARD                (0x00 << 5)

#define USB_TYPE_CLASS                        (0x01 << 5)

#define USB_TYPE_VENDOR                        (0x02 << 5)

#define USB_TYPE_RESERVED                (0x03 << 5)

#define USB_RECIP_MASK                        0x1f

#define USB_RECIP_DEVICE                0x00

#define USB_RECIP_INTERFACE                0x01

#define USB_RECIP_ENDPOINT                0x02

#define USB_RECIP_OTHER                        0x03

#define DeviceRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8)

#define DeviceOutRequest ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8)

#define InterfaceRequest \

        ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8)

#define InterfaceOutRequest \

        ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8)

#define EndpointRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8)

#define EndpointOutRequest \

        ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8)

#define USB_REQ_GET_STATUS                0x00

#define USB_REQ_CLEAR_FEATURE                0x01

#define USB_REQ_SET_FEATURE                0x03

#define USB_REQ_SET_ADDRESS                0x05

#define USB_REQ_GET_DESCRIPTOR                0x06

#define USB_REQ_SET_DESCRIPTOR                0x07

#define USB_REQ_GET_CONFIGURATION        0x08

#define USB_REQ_SET_CONFIGURATION        0x09

#define USB_REQ_GET_INTERFACE                0x0A

#define USB_REQ_SET_INTERFACE                0x0B

#define USB_REQ_SYNCH_FRAME                0x0C

#define USB_DEVICE_SELF_POWERED                0

#define USB_DEVICE_REMOTE_WAKEUP        1

#define USB_DT_DEVICE                        0x01

#define USB_DT_CONFIG                        0x02

#define USB_DT_STRING                        0x03

#define USB_DT_INTERFACE                0x04

#define USB_DT_ENDPOINT                        0x05

typedef struct USBPort USBPort;

typedef struct USBDevice USBDevice;

/* definition of a USB device */

struct USBDevice {

    void *opaque;

    int (*handle_packet)(USBDevice *dev, int pid, 

                         uint8_t devaddr, uint8_t devep,

                         uint8_t *data, int len);

    int speed;

    /* The following fields are used by the generic USB device

       layer. They are here just to avoid creating a new structure for

       them. */

    void (*handle_reset)(USBDevice *dev);

    int (*handle_control)(USBDevice *dev, int request, int value,

                          int index, int length, uint8_t *data);

    int (*handle_data)(USBDevice *dev, int pid, uint8_t devep,

                       uint8_t *data, int len);

    uint8_t addr;

    int state;

    uint8_t setup_buf[8];

    uint8_t data_buf[1024];

    int remote_wakeup;

    int setup_state;

    int setup_len;

    int setup_index;

};

/* USB port on which a device can be connected */

struct USBPort {

    USBDevice *dev;

    void (*attach)(USBPort *port, USBDevice *dev);

    void *opaque;

    int index; /* internal port index, may be used with the opaque */

};

void usb_attach(USBPort *port, USBDevice *dev);

int usb_generic_handle_packet(USBDevice *s, int pid, 

                              uint8_t devaddr, uint8_t devep,

                              uint8_t *data, int len);

int set_usb_string(uint8_t *buf, const char *str);

/* usb hub */

USBDevice *usb_hub_init(USBPort **usb_ports, int nb_ports);

/* usb-uhci.c */

void usb_uhci_init(PCIBus *bus, USBPort **usb_ports);

/* usb-linux.c */

USBDevice *usb_host_device_open(const char *devname);

void usb_host_info(void);

/* usb-hid.c */

USBDevice *usb_mouse_init(void);

USBDevice *usb_tablet_init(void);