/*
* 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
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
+
+#include "block.h"
+#include "qdev.h"
+#include "sys-queue.h"
+
#define USB_TOKEN_SETUP 0x2d
#define USB_TOKEN_IN 0x69 /* device -> host */
#define USB_TOKEN_OUT 0xe1 /* host -> device */
#define USB_MSG_DETACH 0x101
#define USB_MSG_RESET 0x102
-#define USB_RET_NODEV (-1)
+#define USB_RET_NODEV (-1)
#define USB_RET_NAK (-2)
#define USB_RET_STALL (-3)
#define USB_RET_BABBLE (-4)
#define USB_DT_INTERFACE 0x04
#define USB_DT_ENDPOINT 0x05
+#define USB_ENDPOINT_XFER_CONTROL 0
+#define USB_ENDPOINT_XFER_ISOC 1
+#define USB_ENDPOINT_XFER_BULK 2
+#define USB_ENDPOINT_XFER_INT 3
+
+typedef struct USBBus USBBus;
typedef struct USBPort USBPort;
typedef struct USBDevice USBDevice;
+typedef struct USBDeviceInfo USBDeviceInfo;
typedef struct USBPacket USBPacket;
/* definition of a USB device */
struct USBDevice {
+ DeviceState qdev;
+ USBDeviceInfo *info;
void *opaque;
- int (*handle_packet)(USBDevice *dev, USBPacket *p);
- void (*handle_destroy)(USBDevice *dev);
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, USBPacket *p);
uint8_t addr;
char devname[32];
-
+ int attached;
+
int state;
uint8_t setup_buf[8];
uint8_t data_buf[1024];
int setup_index;
};
+struct USBDeviceInfo {
+ DeviceInfo qdev;
+ int (*init)(USBDevice *dev);
+
+ /*
+ * Process USB packet.
+ * Called by the HC (Host Controller).
+ *
+ * Returns length of the transaction
+ * or one of the USB_RET_XXX codes.
+ */
+ int (*handle_packet)(USBDevice *dev, USBPacket *p);
+
+ /*
+ * Called when device is destroyed.
+ */
+ void (*handle_destroy)(USBDevice *dev);
+
+ /*
+ * Reset the device
+ */
+ void (*handle_reset)(USBDevice *dev);
+
+ /*
+ * Process control request.
+ * Called from handle_packet().
+ *
+ * Returns length or one of the USB_RET_ codes.
+ */
+ int (*handle_control)(USBDevice *dev, int request, int value,
+ int index, int length, uint8_t *data);
+
+ /*
+ * Process data transfers (both BULK and ISOC).
+ * Called from handle_packet().
+ *
+ * Returns length or one of the USB_RET_ codes.
+ */
+ int (*handle_data)(USBDevice *dev, USBPacket *p);
+};
+
typedef void (*usb_attachfn)(USBPort *port, USBDevice *dev);
/* USB port on which a device can be connected */
usb_attachfn attach;
void *opaque;
int index; /* internal port index, may be used with the opaque */
- struct USBPort *next; /* Used internally by qemu. */
+ TAILQ_ENTRY(USBPort) next;
};
typedef void USBCallback(USBPacket * packet, void *opaque);
int set_usb_string(uint8_t *buf, const char *str);
void usb_send_msg(USBDevice *dev, int msg);
-void usb_packet_complete(USBPacket *p);
-
-/* usb hub */
-USBDevice *usb_hub_init(int nb_ports);
-
-/* usb-uhci.c */
-void usb_uhci_piix3_init(PCIBus *bus, int devfn);
-void usb_uhci_piix4_init(PCIBus *bus, int devfn);
-
-/* usb-ohci.c */
-void usb_ohci_init_pci(struct PCIBus *bus, int num_ports, int devfn);
-void usb_ohci_init_pxa(target_phys_addr_t base, int num_ports, int devfn,
- qemu_irq irq);
-
/* usb-linux.c */
USBDevice *usb_host_device_open(const char *devname);
-void usb_host_info(void);
+int usb_host_device_close(const char *devname);
+void usb_host_info(Monitor *mon);
/* usb-hid.c */
-USBDevice *usb_mouse_init(void);
-USBDevice *usb_tablet_init(void);
+void usb_hid_datain_cb(USBDevice *dev, void *opaque, void (*datain)(void *));
/* usb-msd.c */
USBDevice *usb_msd_init(const char *filename);
+BlockDriverState *usb_msd_get_bdrv(USBDevice *dev);
+
+/* usb-net.c */
+USBDevice *usb_net_init(NICInfo *nd);
+
+/* usb-bt.c */
+USBDevice *usb_bt_init(HCIInfo *hci);
+
+/* usb-serial.c */
+USBDevice *usb_serial_init(const char *filename);
+
+/* usb ports of the VM */
+
+#define VM_USB_HUB_SIZE 8
+
+/* usb-musb.c */
+enum musb_irq_source_e {
+ musb_irq_suspend = 0,
+ musb_irq_resume,
+ musb_irq_rst_babble,
+ musb_irq_sof,
+ musb_irq_connect,
+ musb_irq_disconnect,
+ musb_irq_vbus_request,
+ musb_irq_vbus_error,
+ musb_irq_rx,
+ musb_irq_tx,
+ musb_set_vbus,
+ musb_set_session,
+ __musb_irq_max,
+};
+
+typedef struct MUSBState MUSBState;
+MUSBState *musb_init(qemu_irq *irqs);
+uint32_t musb_core_intr_get(MUSBState *s);
+void musb_core_intr_clear(MUSBState *s, uint32_t mask);
+void musb_set_size(MUSBState *s, int epnum, int size, int is_tx);
+
+/* usb-bus.c */
+
+struct USBBus {
+ BusState qbus;
+ int busnr;
+ int nfree;
+ int nused;
+ TAILQ_HEAD(, USBPort) free;
+ TAILQ_HEAD(, USBPort) used;
+ TAILQ_ENTRY(USBBus) next;
+};
+
+USBBus *usb_bus_new(DeviceState *host);
+USBBus *usb_bus_find(int busnr);
+void usb_qdev_register(USBDeviceInfo *info);
+void usb_qdev_register_many(USBDeviceInfo *info);
+USBDevice *usb_create(USBBus *bus, const char *name);
+USBDevice *usb_create_simple(USBBus *bus, const char *name);
+void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index,
+ usb_attachfn attach);
+int usb_device_attach(USBDevice *dev);
+int usb_device_delete_addr(int busnr, int addr);
+
+static inline USBBus *usb_bus_from_device(USBDevice *d)
+{
+ return DO_UPCAST(USBBus, qbus, d->qdev.parent_bus);
+}
projects / qemu / blobdiff