/*
* This file is part of the libpayload project.
*
- * Copyright (C) 2008 coresystems GmbH
+ * Copyright (C) 2008-2010 coresystems GmbH
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* SUCH DAMAGE.
*/
+//#define USB_DEBUG
+
#include <libpayload-config.h>
#include <usb/usb.h>
hci_t *usb_hcs = 0;
hci_t *
-new_controller ()
+new_controller (void)
{
hci_t *controller = malloc (sizeof (hci_t));
- /* atomic */
- controller->next = usb_hcs;
- usb_hcs = controller;
- /* atomic end */
+ if (controller) {
+ /* atomic */
+ controller->next = usb_hcs;
+ usb_hcs = controller;
+ /* atomic end */
+ }
return controller;
}
void
detach_controller (hci_t *controller)
{
- if (controller == 0)
+ if (controller == NULL)
return;
if (usb_hcs == controller) {
usb_hcs = controller->next;
} else {
hci_t *it = usb_hcs;
- while (it != 0) {
+ while (it != NULL) {
if (it->next == controller) {
it->next = controller->next;
return;
* Polls all hubs on all USB controllers, to find out about device changes
*/
void
-usb_poll ()
+usb_poll (void)
{
if (usb_hcs == 0)
return;
int i;
for (i = 0; i < 128; i++) {
if (controller->devices[i] != 0) {
- controller->devices[i]->poll (controller->
- devices[i]);
+ controller->devices[i]->poll (controller->devices[i]);
}
}
controller = controller->next;
init_device_entry (hci_t *controller, int i)
{
if (controller->devices[i] != 0)
- printf("warning: device %d reassigned?\n", i);
+ debug("warning: device %d reassigned?\n", i);
controller->devices[i] = malloc(sizeof(usbdev_t));
controller->devices[i]->controller = controller;
controller->devices[i]->address = -1;
dr.wIndex = langID;
dr.wLength = 8;
if (dev->controller->control (dev, IN, sizeof (dr), &dr, 8, buf)) {
- printf ("getting descriptor size (type %x) failed\n",
+ debug ("getting descriptor size (type %x) failed\n",
descType);
}
if (descType == 1) {
device_descriptor_t *dd = (device_descriptor_t *) buf;
- printf ("maxPacketSize0: %x\n", dd->bMaxPacketSize0);
+ debug ("maxPacketSize0: %x\n", dd->bMaxPacketSize0);
if (dd->bMaxPacketSize0 != 0)
dev->endpoints[0].maxpacketsize = dd->bMaxPacketSize0;
}
dr.wLength = size;
if (dev->controller->
control (dev, IN, sizeof (dr), &dr, size, result)) {
- printf ("getting descriptor (type %x, size %x) failed\n",
+ debug ("getting descriptor (type %x, size %x) failed\n",
descType, size);
}
dr.wIndex = endp;
dr.wLength = 0;
dev->controller->control (dev, OUT, sizeof (dr), &dr, 0, 0);
+ ep->toggle = 0;
return 0;
}
if (controller->devices[i] == 0)
return i;
}
- printf ("no free address found\n");
+ debug ("no free address found\n");
return -1; // no free address
}
int
-set_address (hci_t *controller, int lowspeed)
+set_address (hci_t *controller, int speed)
{
int adr = get_free_address (controller); // address to set
dev_req_t dr;
usbdev_t *dev = controller->devices[adr];
// dummy values for registering the address
dev->address = 0;
- dev->lowspeed = lowspeed;
+ dev->speed = speed;
dev->endpoints[0].dev = dev;
dev->endpoints[0].endpoint = 0;
dev->endpoints[0].maxpacketsize = 8;
dev->endpoints[0].direction = SETUP;
mdelay (50);
if (dev->controller->control (dev, OUT, sizeof (dr), &dr, 0, 0)) {
- printf ("set_address failed\n");
+ debug ("set_address failed\n");
return -1;
}
mdelay (50);
dev->address = adr;
- dev->descriptor =
- get_descriptor (dev,
- gen_bmRequestType (device_to_host,
- standard_type, dev_recp),
- 1, 0, 0);
+ dev->descriptor = get_descriptor (dev, gen_bmRequestType
+ (device_to_host, standard_type, dev_recp), 1, 0, 0);
dd = (device_descriptor_t *) dev->descriptor;
- printf ("device version: %x.%x\n", dd->bcdUSB >> 8,
- dd->bcdUSB & 0xff);
- printf ("device has %x configurations\n", dd->bNumConfigurations);
+
+ printf ("* found device (0x%04x:0x%04x, USB %x.%x)",
+ dd->idVendor, dd->idProduct,
+ dd->bcdUSB >> 8, dd->bcdUSB & 0xff);
+ dev->quirks = usb_quirk_check(dd->idVendor, dd->idProduct);
+
+ debug ("\ndevice has %x configurations\n", dd->bNumConfigurations);
if (dd->bNumConfigurations == 0) {
/* device isn't usable */
- printf ("no usable configuration!\n");
+ printf ("... no usable configuration!\n");
dev->address = 0;
return -1;
}
- dev->configuration =
- get_descriptor (dev,
- gen_bmRequestType (device_to_host,
- standard_type, dev_recp),
- 2, 0, 0);
+
+ dev->configuration = get_descriptor (dev, gen_bmRequestType
+ (device_to_host, standard_type, dev_recp), 2, 0, 0);
cd = (configuration_descriptor_t *) dev->configuration;
set_configuration (dev);
interface_descriptor_t *interface =
int i;
int num = cd->bNumInterfaces;
interface_descriptor_t *current = interface;
- printf ("device has %x interfaces\n", num);
- num = (num > 5) ? 5 : num;
+ debug ("device has %x interfaces\n", num);
+ if (num > 1) {
+ int interfaces = usb_interface_check(dd->idVendor, dd->idProduct);
+ if (interfaces) {
+ /* Well known device, don't warn */
+ num = interfaces;
+ } else {
+
+ printf ("\nNOTICE: This driver defaults to using the first interface.\n"
+ "This might be the wrong choice and lead to limited functionality\n"
+ "of the device. Please report such a case to coreboot@coreboot.org\n"
+ "as you might be the first.\n");
+ /* we limit to the first interface, as there was no need to
+ * implement something else for the time being. If you need
+ * it, see the SetInterface and GetInterface functions in
+ * the USB specification, and adapt appropriately.
+ */
+ num = (num > 1) ? 1 : num;
+ }
+ }
for (i = 0; i < num; i++) {
int j;
- printf (" #%x has %x endpoints, interface %x:%x, protocol %x\n", current->bInterfaceNumber, current->bNumEndpoints, current->bInterfaceClass, current->bInterfaceSubClass, current->bInterfaceProtocol);
+ debug (" #%x has %x endpoints, interface %x:%x, protocol %x\n",
+ current->bInterfaceNumber, current->bNumEndpoints, current->bInterfaceClass, current->bInterfaceSubClass, current->bInterfaceProtocol);
endpoint_descriptor_t *endp =
(endpoint_descriptor_t *) (((char *) current)
- +
- current->bLength);
+ + current->bLength);
if (interface->bInterfaceClass == 0x3)
endp = (endpoint_descriptor_t *) (((char *) endp) + ((char *) endp)[0]); // ignore HID descriptor
memset (dev->endpoints, 0, sizeof (dev->endpoints));
dev->endpoints[0].direction = SETUP;
dev->endpoints[0].type = CONTROL;
for (j = 1; j <= current->bNumEndpoints; j++) {
- static const char *transfertypes[4] =
- { "control", "isochronous", "bulk",
- "interrupt"
+#ifdef USB_DEBUG
+ static const char *transfertypes[4] = {
+ "control", "isochronous", "bulk", "interrupt"
};
- printf (" #%x: Endpoint %x (%s), max packet size %x, type %s\n", j, endp->bEndpointAddress & 0x7f, ((endp->bEndpointAddress & 0x80) != 0) ? "in" : "out", endp->wMaxPacketSize, transfertypes[endp->bmAttributes]);
+ debug (" #%x: Endpoint %x (%s), max packet size %x, type %s\n", j, endp->bEndpointAddress & 0x7f, ((endp->bEndpointAddress & 0x80) != 0) ? "in" : "out", endp->wMaxPacketSize, transfertypes[endp->bmAttributes]);
+#endif
endpoint_t *ep =
&dev->endpoints[dev->num_endp++];
ep->dev = dev;
current = (interface_descriptor_t *) endp;
}
}
+
int class = dd->bDeviceClass;
if (class == 0)
class = interface->bInterfaceClass;
- enum { hid_device = 0x3, msc_device = 0x8, hub_device = 0x9 };
-
- printf ("device of class %x found\n", class);
- if (class == hub_device) {
- printf ("hub found\n");
-#ifdef CONFIG_USB_HUB
- controller->devices[adr]->init = usb_hub_init;
-#else
- printf ("support not compiled in\n");
-#endif
- }
- if (class == hid_device) {
- printf ("HID found\n");
+ enum {
+ audio_device = 0x01,
+ comm_device = 0x02,
+ hid_device = 0x03,
+ physical_device = 0x05,
+ imaging_device = 0x06,
+ printer_device = 0x07,
+ msc_device = 0x08,
+ hub_device = 0x09,
+ cdc_device = 0x0a,
+ ccid_device = 0x0b,
+ security_device = 0x0d,
+ video_device = 0x0e,
+ healthcare_device = 0x0f,
+ diagnostic_device = 0xdc,
+ wireless_device = 0xe0,
+ misc_device = 0xef,
+ };
+ printf(", class: ");
+ switch (class) {
+ case audio_device:
+ printf("audio\n");
+ break;
+ case comm_device:
+ printf("communication\n");
+ break;
+ case hid_device:
+ printf ("HID\n");
#ifdef CONFIG_USB_HID
controller->devices[adr]->init = usb_hid_init;
#else
- printf ("support not compiled in\n");
+ debug ("NOTICE: USB HID support not compiled in\n");
#endif
- }
- if (class == msc_device) {
- printf ("MSC found\n");
+ break;
+ case physical_device:
+ printf("physical\n");
+ break;
+ case imaging_device:
+ printf("camera\n");
+ break;
+ case printer_device:
+ printf("printer\n");
+ break;
+ case msc_device:
+ printf ("MSC\n");
#ifdef CONFIG_USB_MSC
controller->devices[adr]->init = usb_msc_init;
#else
- printf ("support not compiled in\n");
+ debug ("NOTICE: USB MSC support not compiled in\n");
+#endif
+ break;
+ case hub_device:
+ printf ("hub\n");
+#ifdef CONFIG_USB_HUB
+ controller->devices[adr]->init = usb_hub_init;
+#else
+ debug ("NOTICE: USB hub support not compiled in.\n");
#endif
+ break;
+ case cdc_device:
+ printf("CDC\n");
+ break;
+ case ccid_device:
+ printf("smartcard / CCID\n");
+ break;
+ case security_device:
+ printf("content security\n");
+ break;
+ case video_device:
+ printf("video\n");
+ break;
+ case healthcare_device:
+ printf("healthcare\n");
+ break;
+ case diagnostic_device:
+ printf("diagnostic\n");
+ break;
+ case wireless_device:
+ printf("wireless\n");
+ break;
+ default:
+ printf("unsupported class %x\n", class);
+ break;
}
return adr;
}
}
int
-usb_attach_device(hci_t *controller, int hubaddress, int port, int lowspeed)
+usb_attach_device(hci_t *controller, int hubaddress, int port, int speed)
{
- printf ("%sspeed device\n", (lowspeed == 1) ? "low" : "full");
- int newdev = set_address (controller, lowspeed);
+ static const char* speeds[] = { "full", "low", "high" };
+ debug ("%sspeed device\n", (speed <= 2) ? speeds[speed] : "invalid value - no");
+ int newdev = set_address (controller, speed);
if (newdev == -1)
return -1;
usbdev_t *newdev_t = controller->devices[newdev];
newdev_t->init (newdev_t);
return newdev;
}
+
+void
+usb_fatal (const char *message)
+{
+ printf(message);
+ for (;;) ;
+}
projects / coreboot.git / blobdiff