separate file for usb hub device

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1848 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 0 insertions, 497 deletions

diff --git a/hw/usb.c b/hw/usb.c
index ca14896..34aac5f 100644
--- a/hw/usb.c
+++ b/hw/usb.c
@@ -191,500 +191,3 @@ int set_usb_string(uint8_t *buf, const char *str)
     }
     return q - buf;
 }
-
-/**********************/
-/* USB hub emulation */
-
-//#define DEBUG
-
-#define MAX_PORTS 8
-
-typedef struct USBHubPort {
-    USBPort port;
-    uint16_t wPortStatus;
-    uint16_t wPortChange;
-} USBHubPort;
-
-typedef struct USBHubState {
-    USBDevice dev;
-    int nb_ports;
-    USBHubPort ports[MAX_PORTS];
-} USBHubState;
-
-#define ClearHubFeature		(0x2000 | USB_REQ_CLEAR_FEATURE)
-#define ClearPortFeature	(0x2300 | USB_REQ_CLEAR_FEATURE)
-#define GetHubDescriptor	(0xa000 | USB_REQ_GET_DESCRIPTOR)
-#define GetHubStatus		(0xa000 | USB_REQ_GET_STATUS)
-#define GetPortStatus		(0xa300 | USB_REQ_GET_STATUS)
-#define SetHubFeature		(0x2000 | USB_REQ_SET_FEATURE)
-#define SetPortFeature		(0x2300 | USB_REQ_SET_FEATURE)
-
-#define PORT_STAT_CONNECTION	0x0001
-#define PORT_STAT_ENABLE	0x0002
-#define PORT_STAT_SUSPEND	0x0004
-#define PORT_STAT_OVERCURRENT	0x0008
-#define PORT_STAT_RESET		0x0010
-#define PORT_STAT_POWER		0x0100
-#define PORT_STAT_LOW_SPEED	0x0200
-#define PORT_STAT_HIGH_SPEED    0x0400
-#define PORT_STAT_TEST          0x0800
-#define PORT_STAT_INDICATOR     0x1000
-
-#define PORT_STAT_C_CONNECTION	0x0001
-#define PORT_STAT_C_ENABLE	0x0002
-#define PORT_STAT_C_SUSPEND	0x0004
-#define PORT_STAT_C_OVERCURRENT	0x0008
-#define PORT_STAT_C_RESET	0x0010
-
-#define PORT_CONNECTION	        0
-#define PORT_ENABLE		1
-#define PORT_SUSPEND		2
-#define PORT_OVERCURRENT	3
-#define PORT_RESET		4
-#define PORT_POWER		8
-#define PORT_LOWSPEED		9
-#define PORT_HIGHSPEED		10
-#define PORT_C_CONNECTION	16
-#define PORT_C_ENABLE		17
-#define PORT_C_SUSPEND		18
-#define PORT_C_OVERCURRENT	19
-#define PORT_C_RESET		20
-#define PORT_TEST               21
-#define PORT_INDICATOR          22
-
-/* same as Linux kernel root hubs */
-
-static const uint8_t qemu_hub_dev_descriptor[] = {
-	0x12,       /*  u8 bLength; */
-	0x01,       /*  u8 bDescriptorType; Device */
-	0x10, 0x01, /*  u16 bcdUSB; v1.1 */
-
-	0x09,	    /*  u8  bDeviceClass; HUB_CLASSCODE */
-	0x00,	    /*  u8  bDeviceSubClass; */
-	0x00,       /*  u8  bDeviceProtocol; [ low/full speeds only ] */
-	0x08,       /*  u8  bMaxPacketSize0; 8 Bytes */
-
-	0x00, 0x00, /*  u16 idVendor; */
- 	0x00, 0x00, /*  u16 idProduct; */
-	0x01, 0x01, /*  u16 bcdDevice */
-
-	0x03,       /*  u8  iManufacturer; */
-	0x02,       /*  u8  iProduct; */
-	0x01,       /*  u8  iSerialNumber; */
-	0x01        /*  u8  bNumConfigurations; */
-};
-
-/* XXX: patch interrupt size */
-static const uint8_t qemu_hub_config_descriptor[] = {
-
-	/* one configuration */
-	0x09,       /*  u8  bLength; */
-	0x02,       /*  u8  bDescriptorType; Configuration */
-	0x19, 0x00, /*  u16 wTotalLength; */
-	0x01,       /*  u8  bNumInterfaces; (1) */
-	0x01,       /*  u8  bConfigurationValue; */
-	0x00,       /*  u8  iConfiguration; */
-	0xc0,       /*  u8  bmAttributes; 
-				 Bit 7: must be set,
-				     6: Self-powered,
-				     5: Remote wakeup,
-				     4..0: resvd */
-	0x00,       /*  u8  MaxPower; */
-      
-	/* USB 1.1:
-	 * USB 2.0, single TT organization (mandatory):
-	 *	one interface, protocol 0
-	 *
-	 * USB 2.0, multiple TT organization (optional):
-	 *	two interfaces, protocols 1 (like single TT)
-	 *	and 2 (multiple TT mode) ... config is
-	 *	sometimes settable
-	 *	NOT IMPLEMENTED
-	 */
-
-	/* one interface */
-	0x09,       /*  u8  if_bLength; */
-	0x04,       /*  u8  if_bDescriptorType; Interface */
-	0x00,       /*  u8  if_bInterfaceNumber; */
-	0x00,       /*  u8  if_bAlternateSetting; */
-	0x01,       /*  u8  if_bNumEndpoints; */
-	0x09,       /*  u8  if_bInterfaceClass; HUB_CLASSCODE */
-	0x00,       /*  u8  if_bInterfaceSubClass; */
-	0x00,       /*  u8  if_bInterfaceProtocol; [usb1.1 or single tt] */
-	0x00,       /*  u8  if_iInterface; */
-     
-	/* one endpoint (status change endpoint) */
-	0x07,       /*  u8  ep_bLength; */
-	0x05,       /*  u8  ep_bDescriptorType; Endpoint */
-	0x81,       /*  u8  ep_bEndpointAddress; IN Endpoint 1 */
- 	0x03,       /*  u8  ep_bmAttributes; Interrupt */
- 	0x02, 0x00, /*  u16 ep_wMaxPacketSize; 1 + (MAX_ROOT_PORTS / 8) */
-	0xff        /*  u8  ep_bInterval; (255ms -- usb 2.0 spec) */
-};
-
-static const uint8_t qemu_hub_hub_descriptor[] =
-{
-	0x09,			/*  u8  bLength; */
-	0x29,			/*  u8  bDescriptorType; Hub-descriptor */
-	0x00,			/*  u8  bNbrPorts; (patched later) */
-	0x0a,			/* u16  wHubCharacteristics; */
-	0x00,			/*   (per-port OC, no power switching) */
-	0x01,			/*  u8  bPwrOn2pwrGood; 2ms */
-	0x00,			/*  u8  bHubContrCurrent; 0 mA */
-	0x00,			/*  u8  DeviceRemovable; *** 7 Ports max *** */
-	0xff			/*  u8  PortPwrCtrlMask; *** 7 ports max *** */
-};
-
-static void usb_hub_attach(USBPort *port1, USBDevice *dev)
-{
-    USBHubState *s = port1->opaque;
-    USBHubPort *port = &s->ports[port1->index];
-    
-    if (dev) {
-        if (port->port.dev)
-            usb_attach(port1, NULL);
-        
-        port->wPortStatus |= PORT_STAT_CONNECTION;
-        port->wPortChange |= PORT_STAT_C_CONNECTION;
-        if (dev->speed == USB_SPEED_LOW)
-            port->wPortStatus |= PORT_STAT_LOW_SPEED;
-        else
-            port->wPortStatus &= ~PORT_STAT_LOW_SPEED;
-        port->port.dev = dev;
-    } else {
-        dev = port->port.dev;
-        if (dev) {
-            port->wPortStatus &= ~PORT_STAT_CONNECTION;
-            port->wPortChange |= PORT_STAT_C_CONNECTION;
-            if (port->wPortStatus & PORT_STAT_ENABLE) {
-                port->wPortStatus &= ~PORT_STAT_ENABLE;
-                port->wPortChange |= PORT_STAT_C_ENABLE;
-            }
-            port->port.dev = NULL;
-        }
-    }
-}
-
-static void usb_hub_handle_reset(USBDevice *dev)
-{
-    /* XXX: do it */
-}
-
-static int usb_hub_handle_control(USBDevice *dev, int request, int value,
-                                  int index, int length, uint8_t *data)
-{
-    USBHubState *s = (USBHubState *)dev;
-    int ret;
-
-    switch(request) {
-    case DeviceRequest | USB_REQ_GET_STATUS:
-        data[0] = (1 << USB_DEVICE_SELF_POWERED) |
-            (dev->remote_wakeup << USB_DEVICE_REMOTE_WAKEUP);
-        data[1] = 0x00;
-        ret = 2;
-        break;
-    case DeviceOutRequest | USB_REQ_CLEAR_FEATURE:
-        if (value == USB_DEVICE_REMOTE_WAKEUP) {
-            dev->remote_wakeup = 0;
-        } else {
-            goto fail;
-        }
-        ret = 0;
-        break;
-    case DeviceOutRequest | USB_REQ_SET_FEATURE:
-        if (value == USB_DEVICE_REMOTE_WAKEUP) {
-            dev->remote_wakeup = 1;
-        } else {
-            goto fail;
-        }
-        ret = 0;
-        break;
-    case DeviceOutRequest | USB_REQ_SET_ADDRESS:
-        dev->addr = value;
-        ret = 0;
-        break;
-    case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
-        switch(value >> 8) {
-        case USB_DT_DEVICE:
-            memcpy(data, qemu_hub_dev_descriptor, 
-                   sizeof(qemu_hub_dev_descriptor));
-            ret = sizeof(qemu_hub_dev_descriptor);
-            break;
-        case USB_DT_CONFIG:
-            memcpy(data, qemu_hub_config_descriptor, 
-                   sizeof(qemu_hub_config_descriptor));
-            ret = sizeof(qemu_hub_config_descriptor);
-            break;
-        case USB_DT_STRING:
-            switch(value & 0xff) {
-            case 0:
-                /* language ids */
-                data[0] = 4;
-                data[1] = 3;
-                data[2] = 0x09;
-                data[3] = 0x04;
-                ret = 4;
-                break;
-            case 1:
-                /* serial number */
-                ret = set_usb_string(data, "314159");
-                break;
-            case 2:
-                /* product description */
-                ret = set_usb_string(data, "QEMU USB Hub");
-                break;
-            case 3:
-                /* vendor description */
-                ret = set_usb_string(data, "QEMU " QEMU_VERSION);
-                break;
-            default:
-                goto fail;
-            }
-            break;
-        default:
-            goto fail;
-        }
-        break;
-    case DeviceRequest | USB_REQ_GET_CONFIGURATION:
-        data[0] = 1;
-        ret = 1;
-        break;
-    case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
-        ret = 0;
-        break;
-    case DeviceRequest | USB_REQ_GET_INTERFACE:
-        data[0] = 0;
-        ret = 1;
-        break;
-    case DeviceOutRequest | USB_REQ_SET_INTERFACE:
-        ret = 0;
-        break;
-        /* usb specific requests */
-    case GetHubStatus:
-        data[0] = 0;
-        data[1] = 0;
-        data[2] = 0;
-        data[3] = 0;
-        ret = 4;
-        break;
-    case GetPortStatus:
-        {
-            unsigned int n = index - 1;
-            USBHubPort *port;
-            if (n >= s->nb_ports)
-                goto fail;
-            port = &s->ports[n];
-            data[0] = port->wPortStatus;
-            data[1] = port->wPortStatus >> 8;
-            data[2] = port->wPortChange;
-            data[3] = port->wPortChange >> 8;
-            ret = 4;
-        }
-        break;
-    case SetHubFeature:
-    case ClearHubFeature:
-        if (value == 0 || value == 1) {
-        } else {
-            goto fail;
-        }
-        ret = 0;
-        break;
-    case SetPortFeature:
-        {
-            unsigned int n = index - 1;
-            USBHubPort *port;
-            USBDevice *dev;
-            if (n >= s->nb_ports)
-                goto fail;
-            port = &s->ports[n];
-            dev = port->port.dev;
-            switch(value) {
-            case PORT_SUSPEND:
-                port->wPortStatus |= PORT_STAT_SUSPEND;
-                break;
-            case PORT_RESET:
-                if (dev) {
-                    dev->handle_packet(dev, 
-                                       USB_MSG_RESET, 0, 0, NULL, 0);
-                    port->wPortChange |= PORT_STAT_C_RESET;
-                    /* set enable bit */
-                    port->wPortChange |= PORT_STAT_C_ENABLE;
-                    port->wPortStatus |= PORT_STAT_ENABLE;
-                }
-                break;
-            case PORT_POWER:
-                break;
-            default:
-                goto fail;
-            }
-            ret = 0;
-        }
-        break;
-    case ClearPortFeature:
-        {
-            unsigned int n = index - 1;
-            USBHubPort *port;
-            USBDevice *dev;
-            if (n >= s->nb_ports)
-                goto fail;
-            port = &s->ports[n];
-            dev = port->port.dev;
-            switch(value) {
-            case PORT_ENABLE:
-                port->wPortStatus &= ~PORT_STAT_ENABLE;
-                break;
-            case PORT_C_ENABLE:
-                port->wPortChange &= ~PORT_STAT_C_ENABLE;
-                break;
-            case PORT_SUSPEND:
-                port->wPortStatus &= ~PORT_STAT_SUSPEND;
-                break;
-            case PORT_C_SUSPEND:
-                port->wPortChange &= ~PORT_STAT_C_SUSPEND;
-                break;
-            case PORT_C_CONNECTION:
-                port->wPortChange &= ~PORT_STAT_C_CONNECTION;
-                break;
-            case PORT_C_OVERCURRENT:
-                port->wPortChange &= ~PORT_STAT_C_OVERCURRENT;
-                break;
-            case PORT_C_RESET:
-                port->wPortChange &= ~PORT_STAT_C_RESET;
-                break;
-            default:
-                goto fail;
-            }
-            ret = 0;
-        }
-        break;
-    case GetHubDescriptor:
-        memcpy(data, qemu_hub_hub_descriptor, 
-               sizeof(qemu_hub_hub_descriptor));
-        data[2] = s->nb_ports;
-        ret = sizeof(qemu_hub_hub_descriptor);
-        break;
-    default:
-    fail:
-        ret = USB_RET_STALL;
-        break;
-    }
-    return ret;
-}
-
-static int usb_hub_handle_data(USBDevice *dev, int pid, 
-                               uint8_t devep, uint8_t *data, int len)
-{
-    USBHubState *s = (USBHubState *)dev;
-    int ret;
-
-    switch(pid) {
-    case USB_TOKEN_IN:
-        if (devep == 1) {
-            USBHubPort *port;
-            unsigned int status;
-            int i, n;
-            n = (s->nb_ports + 1 + 7) / 8;
-            if (n > len)
-                return USB_RET_BABBLE;
-            status = 0;
-            for(i = 0; i < s->nb_ports; i++) {
-                port = &s->ports[i];
-                if (port->wPortChange)
-                    status |= (1 << (i + 1));
-            }
-            if (status != 0) {
-                for(i = 0; i < n; i++) {
-                    data[i] = status >> (8 * i);
-                }
-                ret = n;
-            } else {
-                ret = 0;
-            }
-        } else {
-            goto fail;
-        }
-        break;
-    case USB_TOKEN_OUT:
-    default:
-    fail:
-        ret = USB_RET_STALL;
-        break;
-    }
-    return ret;
-}
-
-static int usb_hub_broadcast_packet(USBHubState *s, int pid, 
-                                    uint8_t devaddr, uint8_t devep,
-                                    uint8_t *data, int len)
-{
-    USBHubPort *port;
-    USBDevice *dev;
-    int i, ret;
-
-    for(i = 0; i < s->nb_ports; i++) {
-        port = &s->ports[i];
-        dev = port->port.dev;
-        if (dev && (port->wPortStatus & PORT_STAT_ENABLE)) {
-            ret = dev->handle_packet(dev, pid, 
-                                     devaddr, devep,
-                                     data, len);
-            if (ret != USB_RET_NODEV) {
-                return ret;
-            }
-        }
-    }
-    return USB_RET_NODEV;
-}
-
-static int usb_hub_handle_packet(USBDevice *dev, int pid, 
-                                 uint8_t devaddr, uint8_t devep,
-                                 uint8_t *data, int len)
-{
-    USBHubState *s = (USBHubState *)dev;
-
-#if defined(DEBUG) && 0
-    printf("usb_hub: pid=0x%x\n", pid);
-#endif
-    if (dev->state == USB_STATE_DEFAULT &&
-        dev->addr != 0 &&
-        devaddr != dev->addr &&
-        (pid == USB_TOKEN_SETUP || 
-         pid == USB_TOKEN_OUT || 
-         pid == USB_TOKEN_IN)) {
-        /* broadcast the packet to the devices */
-        return usb_hub_broadcast_packet(s, pid, devaddr, devep, data, len);
-    }
-    return usb_generic_handle_packet(dev, pid, devaddr, devep, data, len);
-}
-
-USBDevice *usb_hub_init(USBPort **usb_ports, int nb_ports)
-{
-    USBHubState *s;
-    USBHubPort *port;
-    int i;
-
-    if (nb_ports > MAX_PORTS)
-        return NULL;
-    s = qemu_mallocz(sizeof(USBHubState));
-    if (!s)
-        return NULL;
-    s->dev.speed = USB_SPEED_FULL;
-    s->dev.handle_packet = usb_hub_handle_packet;
-
-    /* generic USB device init */
-    s->dev.handle_reset = usb_hub_handle_reset;
-    s->dev.handle_control = usb_hub_handle_control;
-    s->dev.handle_data = usb_hub_handle_data;
-
-    s->nb_ports = nb_ports;
-    for(i = 0; i < s->nb_ports; i++) {
-        port = &s->ports[i];
-        port->wPortStatus = PORT_STAT_POWER;
-        port->wPortChange = 0;
-        port->port.attach = usb_hub_attach;
-        port->port.opaque = s;
-        port->port.index = i;
-        usb_ports[i] = &port->port;
-    }
-    return (USBDevice *)s;
-}