+// SPDX-License-Identifier: GPL-2.0+
/*
* Most of this source has been derived from the Linux USB
* project:
*
* Adapted for U-Boot:
* (C) Copyright 2001 Denis Peter, MPL AG Switzerland
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
/*
#include <common.h>
#include <command.h>
#include <dm.h>
+#include <malloc.h>
#include <memalign.h>
#include <asm/processor.h>
#include <linux/compiler.h>
#include <asm/unaligned.h>
#include <errno.h>
#include <usb.h>
-#ifdef CONFIG_4xx
-#include <asm/4xx_pci.h>
-#endif
#define USB_BUFSIZ 512
static int asynch_allowed;
char usb_started; /* flag for the started/stopped USB status */
-#ifndef CONFIG_DM_USB
+#if !CONFIG_IS_ENABLED(DM_USB)
static struct usb_device usb_dev[USB_MAX_DEVICE];
static int dev_index;
return change;
}
+/* Lock or unlock async schedule on the controller */
+__weak int usb_lock_async(struct usb_device *dev, int lock)
+{
+ return 0;
+}
+
/*
* disables the asynch behaviour of the control message. This is used for data
* transfers that uses the exclusiv access to the control and bulk messages.
asynch_allowed = !disable;
return old_value;
}
-#endif /* !CONFIG_DM_USB */
+#endif /* !CONFIG_IS_ENABLED(DM_USB) */
/*-------------------------------------------------------------------
*/
/*
- * submits an Interrupt Message
+ * submits an Interrupt Message. Some drivers may implement non-blocking
+ * polling: when non-block is true and the device is not responding return
+ * -EAGAIN instead of waiting for device to respond.
*/
-int usb_submit_int_msg(struct usb_device *dev, unsigned long pipe,
- void *buffer, int transfer_len, int interval)
+int usb_int_msg(struct usb_device *dev, unsigned long pipe,
+ void *buffer, int transfer_len, int interval, bool nonblock)
{
- return submit_int_msg(dev, pipe, buffer, transfer_len, interval);
+ return submit_int_msg(dev, pipe, buffer, transfer_len, interval,
+ nonblock);
}
/*
}
break;
case USB_DT_ENDPOINT:
- if (head->bLength != USB_DT_ENDPOINT_SIZE) {
+ if (head->bLength != USB_DT_ENDPOINT_SIZE &&
+ head->bLength != USB_DT_ENDPOINT_AUDIO_SIZE) {
printf("ERROR: Invalid USB EP length (%d)\n",
head->bLength);
break;
}
- if (index + USB_DT_ENDPOINT_SIZE >
+ if (index + head->bLength >
dev->config.desc.wTotalLength) {
puts("USB EP descriptor overflowed buffer!\n");
break;
* the USB device are static allocated [USB_MAX_DEVICE].
*/
-#ifndef CONFIG_DM_USB
+#if !CONFIG_IS_ENABLED(DM_USB)
/* returns a pointer to the device with the index [index].
* if the device is not assigned (dev->devnum==-1) returns NULL
{
return 0;
}
-#endif /* !CONFIG_DM_USB */
+#endif /* !CONFIG_IS_ENABLED(DM_USB) */
static int usb_hub_port_reset(struct usb_device *dev, struct usb_device *hub)
{
dev->epmaxpacketin[0] = dev->descriptor.bMaxPacketSize0;
dev->epmaxpacketout[0] = dev->descriptor.bMaxPacketSize0;
- if (do_read) {
+ if (do_read && dev->speed == USB_SPEED_FULL) {
int err;
/*
- * Validate we've received only at least 8 bytes, not that we've
- * received the entire descriptor. The reasoning is:
- * - The code only uses fields in the first 8 bytes, so that's all we
- * need to have fetched at this stage.
- * - The smallest maxpacket size is 8 bytes. Before we know the actual
- * maxpacket the device uses, the USB controller may only accept a
- * single packet. Consequently we are only guaranteed to receive 1
- * packet (at least 8 bytes) even in a non-error case.
+ * Validate we've received only at least 8 bytes, not that
+ * we've received the entire descriptor. The reasoning is:
+ * - The code only uses fields in the first 8 bytes, so
+ * that's all we need to have fetched at this stage.
+ * - The smallest maxpacket size is 8 bytes. Before we know
+ * the actual maxpacket the device uses, the USB controller
+ * may only accept a single packet. Consequently we are only
+ * guaranteed to receive 1 packet (at least 8 bytes) even in
+ * a non-error case.
*
- * At least the DWC2 controller needs to be programmed with the number
- * of packets in addition to the number of bytes. A request for 64
- * bytes of data with the maxpacket guessed as 64 (above) yields a
- * request for 1 packet.
+ * At least the DWC2 controller needs to be programmed with
+ * the number of packets in addition to the number of bytes.
+ * A request for 64 bytes of data with the maxpacket guessed
+ * as 64 (above) yields a request for 1 packet.
*/
err = get_descriptor_len(dev, 64, 8);
if (err)
dev->maxpacketsize = PACKET_SIZE_64;
break;
default:
- printf("usb_new_device: invalid max packet size\n");
+ printf("%s: invalid max packet size\n", __func__);
return -EIO;
}
mdelay(10); /* Let the SET_ADDRESS settle */
+ /*
+ * If we haven't read device descriptor before, read it here
+ * after device is assigned an address. This is only applicable
+ * to xHCI so far.
+ */
+ if (!do_read) {
+ err = usb_setup_descriptor(dev, true);
+ if (err)
+ return err;
+ }
+
return 0;
}
return ret;
}
-#ifndef CONFIG_DM_USB
+#if !CONFIG_IS_ENABLED(DM_USB)
/*
* By the time we get here, the device has gotten a new device ID
* and is in the default state. We need to identify the thing and
bool usb_device_has_child_on_port(struct usb_device *parent, int port)
{
-#ifdef CONFIG_DM_USB
+#if CONFIG_IS_ENABLED(DM_USB)
return false;
#else
return parent->children[port] != NULL;
#endif
}
-#ifdef CONFIG_DM_USB
+#if CONFIG_IS_ENABLED(DM_USB)
void usb_find_usb2_hub_address_port(struct usb_device *udev,
uint8_t *hub_address, uint8_t *hub_port)
{
projects / oweals / u-boot.git / blobdiff