X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=common%2Fusb_kbd.c;h=1ad67caf13c554c6fd0eb34945f41b3a20f736bc;hb=808434cdbd70b6633c99fe2974af7d25316cc593;hp=4efbcfe90d369fdc60028640c74efba05d3442b6;hpb=05a860c228fe6c8f2e7aced8cc8ef88bc1038363;p=karo-tx-uboot.git

diff --git a/common/usb_kbd.c b/common/usb_kbd.c
index 4efbcfe90d..1ad67caf13 100644
--- a/common/usb_kbd.c
+++ b/common/usb_kbd.c
@@ -5,24 +5,7 @@
  * Part of this source has been derived from the Linux USB
  * project.
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 #include <common.h>
 #include <malloc.h>
@@ -31,12 +14,6 @@
 
 #include <usb.h>
 
-#ifdef	USB_KBD_DEBUG
-#define USB_KBD_PRINTF(fmt, args...)	printf(fmt, ##args)
-#else
-#define USB_KBD_PRINTF(fmt, args...)
-#endif
-
 /*
  * If overwrite_console returns 1, the stdin, stderr and stdout
  * are switched to the serial port, else the settings in the
@@ -127,6 +104,11 @@ struct usb_kbd_pdata {
 	uint8_t		flags;
 };
 
+extern int __maybe_unused net_busy_flag;
+
+/* The period of time between two calls of usb_kbd_testc(). */
+static unsigned long __maybe_unused kbd_testc_tms;
+
 /* Generic keyboard event polling. */
 void usb_kbd_generic_poll(void)
 {
@@ -262,7 +244,7 @@ static int usb_kbd_translate(struct usb_kbd_pdata *data, unsigned char scancode,
 
 	/* Report keycode if any */
 	if (keycode) {
-		USB_KBD_PRINTF("%c", keycode);
+		debug("%c", keycode);
 		usb_kbd_put_queue(data, keycode);
 	}
 
@@ -324,8 +306,8 @@ static int usb_kbd_irq_worker(struct usb_device *dev)
 static int usb_kbd_irq(struct usb_device *dev)
 {
 	if ((dev->irq_status != 0) || (dev->irq_act_len != 8)) {
-		USB_KBD_PRINTF("USB KBD: Error %lX, len %d\n",
-				dev->irq_status, dev->irq_act_len);
+		debug("USB KBD: Error %lX, len %d\n",
+		      dev->irq_status, dev->irq_act_len);
 		return 1;
 	}
 
@@ -372,6 +354,16 @@ static int usb_kbd_testc(void)
 	struct usb_device *usb_kbd_dev;
 	struct usb_kbd_pdata *data;
 
+#ifdef CONFIG_CMD_NET
+	/*
+	 * If net_busy_flag is 1, NET transfer is running,
+	 * then we check key-pressed every second (first check may be
+	 * less than 1 second) to improve TFTP booting performance.
+	 */
+	if (net_busy_flag && (get_timer(kbd_testc_tms) < CONFIG_SYS_HZ))
+		return 0;
+	kbd_testc_tms = get_timer(0);
+#endif
 	dev = stdio_get_by_name(DEVNAME);
 	usb_kbd_dev = (struct usb_device *)dev->priv;
 	data = usb_kbd_dev->privptr;
@@ -437,7 +429,7 @@ static int usb_kbd_probe(struct usb_device *dev, unsigned int ifnum)
 	if ((ep->bmAttributes & 3) != 3)
 		return 0;
 
-	USB_KBD_PRINTF("USB KBD: found set protocol...\n");
+	debug("USB KBD: found set protocol...\n");
 
 	data = malloc(sizeof(struct usb_kbd_pdata));
 	if (!data) {
@@ -463,12 +455,17 @@ static int usb_kbd_probe(struct usb_device *dev, unsigned int ifnum)
 	/* We found a USB Keyboard, install it. */
 	usb_set_protocol(dev, iface->desc.bInterfaceNumber, 0);
 
-	USB_KBD_PRINTF("USB KBD: found set idle...\n");
+	debug("USB KBD: found set idle...\n");
 	usb_set_idle(dev, iface->desc.bInterfaceNumber, REPEAT_RATE, 0);
 
-	USB_KBD_PRINTF("USB KBD: enable interrupt pipe...\n");
-	usb_submit_int_msg(dev, pipe, data->new, maxp > 8 ? 8 : maxp,
-				ep->bInterval);
+	debug("USB KBD: enable interrupt pipe...\n");
+	if (usb_submit_int_msg(dev, pipe, data->new, maxp > 8 ? 8 : maxp,
+			       ep->bInterval) < 0) {
+		printf("Failed to get keyboard state from device %04x:%04x\n",
+		       dev->descriptor.idVendor, dev->descriptor.idProduct);
+		/* Abort, we don't want to use that non-functional keyboard. */
+		return 0;
+	}
 
 	/* Success. */
 	return 1;
@@ -497,16 +494,17 @@ int drv_usb_kbd_init(void)
 			continue;
 
 		/* We found a keyboard, check if it is already registered. */
-		USB_KBD_PRINTF("USB KBD: found set up device.\n");
+		debug("USB KBD: found set up device.\n");
 		old_dev = stdio_get_by_name(DEVNAME);
 		if (old_dev) {
 			/* Already registered, just return ok. */
-			USB_KBD_PRINTF("USB KBD: is already registered.\n");
+			debug("USB KBD: is already registered.\n");
+			usb_kbd_deregister();
 			return 1;
 		}
 
 		/* Register the keyboard */
-		USB_KBD_PRINTF("USB KBD: register.\n");
+		debug("USB KBD: register.\n");
 		memset(&usb_kbd_dev, 0, sizeof(struct stdio_dev));
 		strcpy(usb_kbd_dev.name, DEVNAME);
 		usb_kbd_dev.flags =  DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM;