* 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>
#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
'|', '~', ':', '"', '~', '<', '>', '?'
};
+static const unsigned char usb_kbd_num_keypad[] = {
+ '/', '*', '-', '+', '\r',
+ '1', '2', '3', '4', '5', '6', '7', '8', '9', '0',
+ '.', 0, 0, 0, '='
+};
+
+/*
+ * map arrow keys to ^F/^B ^N/^P, can't really use the proper
+ * ANSI sequence for arrow keys because the queuing code breaks
+ * when a single keypress expands to 3 queue elements
+ */
+static const unsigned char usb_kbd_arrow[] = {
+ 0x6, 0x2, 0xe, 0x10
+};
+
/*
* NOTE: It's important for the NUM, CAPS, SCROLL-lock bits to be in this
* order. See usb_kbd_setled() function!
uint32_t usb_out_pointer;
uint8_t usb_kbd_buffer[USB_KBD_BUFFER_LEN];
- uint8_t new[8];
+ uint8_t *new;
uint8_t old[8];
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)
{
keycode = usb_kbd_numkey[scancode - 0x1e];
}
+ /* Arrow keys */
+ if ((scancode >= 0x4f) && (scancode <= 0x52))
+ keycode = usb_kbd_arrow[scancode - 0x4f];
+
+ /* Numeric keypad */
+ if ((scancode >= 0x54) && (scancode <= 0x67))
+ keycode = usb_kbd_num_keypad[scancode - 0x54];
+
if (data->flags & USB_KBD_CTRL)
keycode = scancode - 0x3;
/* Report keycode if any */
if (keycode) {
- USB_KBD_PRINTF("%c", keycode);
+ debug("%c", keycode);
usb_kbd_put_queue(data, keycode);
}
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;
}
static inline void usb_kbd_poll_for_event(struct usb_device *dev)
{
#if defined(CONFIG_SYS_USB_EVENT_POLL)
- usb_event_poll();
+ struct usb_interface *iface;
+ struct usb_endpoint_descriptor *ep;
+ struct usb_kbd_pdata *data;
+ int pipe;
+ int maxp;
+
+ /* Get the pointer to USB Keyboard device pointer */
+ data = dev->privptr;
+ iface = &dev->config.if_desc[0];
+ ep = &iface->ep_desc[0];
+ pipe = usb_rcvintpipe(dev, ep->bEndpointAddress);
+
+ /* Submit a interrupt transfer request */
+ maxp = usb_maxpacket(dev, pipe);
+ usb_submit_int_msg(dev, pipe, &data->new[0],
+ maxp > 8 ? 8 : maxp, ep->bInterval);
+
usb_kbd_irq_worker(dev);
#elif defined(CONFIG_SYS_USB_EVENT_POLL_VIA_CONTROL_EP)
struct usb_interface *iface;
struct usb_kbd_pdata *data = dev->privptr;
iface = &dev->config.if_desc[0];
usb_get_report(dev, iface->desc.bInterfaceNumber,
- 1, 1, data->new, sizeof(data->new));
+ 1, 0, data->new, sizeof(data->new));
if (memcmp(data->old, data->new, sizeof(data->new)))
usb_kbd_irq_worker(dev);
#endif
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;
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) {
/* Clear private data */
memset(data, 0, sizeof(struct usb_kbd_pdata));
+ /* allocate input buffer aligned and sized to USB DMA alignment */
+ data->new = memalign(USB_DMA_MINALIGN, roundup(8, USB_DMA_MINALIGN));
+
/* Insert private data into USB device structure */
dev->privptr = data;
/* 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;
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;
if (error)
return error;
+#ifdef CONFIG_CONSOLE_MUX
+ error = iomux_doenv(stdin, stdinname);
+ if (error)
+ return error;
+#else
/* Check if this is the standard input device. */
if (strcmp(stdinname, DEVNAME))
return 1;
error = console_assign(stdin, DEVNAME);
if (error)
return error;
+#endif
return 1;
}
return 1;
#endif
}
-
-#if 0
-struct usb_hid_descriptor {
- unsigned char bLength;
- unsigned char bDescriptorType; /* 0x21 for HID */
- unsigned short bcdHID; /* release number */
- unsigned char bCountryCode;
- unsigned char bNumDescriptors;
- unsigned char bReportDescriptorType;
- unsigned short wDescriptorLength;
-} __packed;
-
-/*
- * We parse each description item into this structure. Short items data
- * values are expanded to 32-bit signed int, long items contain a pointer
- * into the data area.
- */
-
-struct hid_item {
- unsigned char format;
- unsigned char size;
- unsigned char type;
- unsigned char tag;
- union {
- unsigned char u8;
- char s8;
- unsigned short u16;
- short s16;
- unsigned long u32;
- long s32;
- unsigned char *longdata;
- } data;
-};
-
-/*
- * HID report item format
- */
-
-#define HID_ITEM_FORMAT_SHORT 0
-#define HID_ITEM_FORMAT_LONG 1
-
-/*
- * Special tag indicating long items
- */
-
-#define HID_ITEM_TAG_LONG 15
-
-
-static struct usb_hid_descriptor usb_kbd_hid_desc;
-
-void usb_kbd_display_hid(struct usb_hid_descriptor *hid)
-{
- printf("USB_HID_DESC:\n");
- printf(" bLenght 0x%x\n", hid->bLength);
- printf(" bcdHID 0x%x\n", hid->bcdHID);
- printf(" bCountryCode %d\n", hid->bCountryCode);
- printf(" bNumDescriptors 0x%x\n", hid->bNumDescriptors);
- printf(" bReportDescriptorType 0x%x\n", hid->bReportDescriptorType);
- printf(" wDescriptorLength 0x%x\n", hid->wDescriptorLength);
-}
-
-
-/*
- * Fetch a report description item from the data stream. We support long
- * items, though they are not used yet.
- */
-
-static int fetch_item(unsigned char *start, unsigned char *end,
- struct hid_item *item)
-{
- if ((end - start) > 0) {
- unsigned char b = *start++;
- item->type = (b >> 2) & 3;
- item->tag = (b >> 4) & 15;
- if (item->tag == HID_ITEM_TAG_LONG) {
- item->format = HID_ITEM_FORMAT_LONG;
- if ((end - start) >= 2) {
- item->size = *start++;
- item->tag = *start++;
- if ((end - start) >= item->size) {
- item->data.longdata = start;
- start += item->size;
- return item->size;
- }
- }
- } else {
- item->format = HID_ITEM_FORMAT_SHORT;
- item->size = b & 3;
- switch (item->size) {
- case 0:
- return item->size;
- case 1:
- if ((end - start) >= 1) {
- item->data.u8 = *start++;
- return item->size;
- }
- break;
- case 2:
- if ((end - start) >= 2) {
- item->data.u16 = le16_to_cpu(
- (unsigned short *)start);
- start += 2;
- return item->size;
- }
- case 3:
- item->size++;
- if ((end - start) >= 4) {
- item->data.u32 = le32_to_cpu(
- (unsigned long *)start);
- start += 4;
- return item->size;
- }
- }
- }
- }
- return -1;
-}
-
-/*
- * HID report descriptor item type (prefix bit 2, 3)
- */
-
-#define HID_ITEM_TYPE_MAIN 0
-#define HID_ITEM_TYPE_GLOBAL 1
-#define HID_ITEM_TYPE_LOCAL 2
-#define HID_ITEM_TYPE_RESERVED 3
-/*
- * HID report descriptor main item tags
- */
-
-#define HID_MAIN_ITEM_TAG_INPUT 8
-#define HID_MAIN_ITEM_TAG_OUTPUT 9
-#define HID_MAIN_ITEM_TAG_FEATURE 11
-#define HID_MAIN_ITEM_TAG_BEGIN_COLLECTION 10
-#define HID_MAIN_ITEM_TAG_END_COLLECTION 12
-/*
- * HID report descriptor main item contents
- */
-
-#define HID_MAIN_ITEM_CONSTANT 0x001
-#define HID_MAIN_ITEM_VARIABLE 0x002
-#define HID_MAIN_ITEM_RELATIVE 0x004
-#define HID_MAIN_ITEM_WRAP 0x008
-#define HID_MAIN_ITEM_NONLINEAR 0x010
-#define HID_MAIN_ITEM_NO_PREFERRED 0x020
-#define HID_MAIN_ITEM_NULL_STATE 0x040
-#define HID_MAIN_ITEM_VOLATILE 0x080
-#define HID_MAIN_ITEM_BUFFERED_BYTE 0x100
-
-/*
- * HID report descriptor collection item types
- */
-
-#define HID_COLLECTION_PHYSICAL 0
-#define HID_COLLECTION_APPLICATION 1
-#define HID_COLLECTION_LOGICAL 2
-/*
- * HID report descriptor global item tags
- */
-
-#define HID_GLOBAL_ITEM_TAG_USAGE_PAGE 0
-#define HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM 1
-#define HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM 2
-#define HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM 3
-#define HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM 4
-#define HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT 5
-#define HID_GLOBAL_ITEM_TAG_UNIT 6
-#define HID_GLOBAL_ITEM_TAG_REPORT_SIZE 7
-#define HID_GLOBAL_ITEM_TAG_REPORT_ID 8
-#define HID_GLOBAL_ITEM_TAG_REPORT_COUNT 9
-#define HID_GLOBAL_ITEM_TAG_PUSH 10
-#define HID_GLOBAL_ITEM_TAG_POP 11
-
-/*
- * HID report descriptor local item tags
- */
-
-#define HID_LOCAL_ITEM_TAG_USAGE 0
-#define HID_LOCAL_ITEM_TAG_USAGE_MINIMUM 1
-#define HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM 2
-#define HID_LOCAL_ITEM_TAG_DESIGNATOR_INDEX 3
-#define HID_LOCAL_ITEM_TAG_DESIGNATOR_MINIMUM 4
-#define HID_LOCAL_ITEM_TAG_DESIGNATOR_MAXIMUM 5
-#define HID_LOCAL_ITEM_TAG_STRING_INDEX 7
-#define HID_LOCAL_ITEM_TAG_STRING_MINIMUM 8
-#define HID_LOCAL_ITEM_TAG_STRING_MAXIMUM 9
-#define HID_LOCAL_ITEM_TAG_DELIMITER 10
-
-
-static void usb_kbd_show_item(struct hid_item *item)
-{
- switch (item->type) {
- case HID_ITEM_TYPE_MAIN:
- switch (item->tag) {
- case HID_MAIN_ITEM_TAG_INPUT:
- printf("Main Input");
- break;
- case HID_MAIN_ITEM_TAG_OUTPUT:
- printf("Main Output");
- break;
- case HID_MAIN_ITEM_TAG_FEATURE:
- printf("Main Feature");
- break;
- case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
- printf("Main Begin Collection");
- break;
- case HID_MAIN_ITEM_TAG_END_COLLECTION:
- printf("Main End Collection");
- break;
- default:
- printf("Main reserved %d", item->tag);
- break;
- }
- break;
- case HID_ITEM_TYPE_GLOBAL:
- switch (item->tag) {
- case HID_GLOBAL_ITEM_TAG_USAGE_PAGE:
- printf("- Global Usage Page");
- break;
- case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM:
- printf("- Global Logical Minimum");
- break;
- case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM:
- printf("- Global Logical Maximum");
- break;
- case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM:
- printf("- Global physical Minimum");
- break;
- case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM:
- printf("- Global physical Maximum");
- break;
- case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
- printf("- Global Unit Exponent");
- break;
- case HID_GLOBAL_ITEM_TAG_UNIT:
- printf("- Global Unit");
- break;
- case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
- printf("- Global Report Size");
- break;
- case HID_GLOBAL_ITEM_TAG_REPORT_ID:
- printf("- Global Report ID");
- break;
- case HID_GLOBAL_ITEM_TAG_REPORT_COUNT:
- printf("- Global Report Count");
- break;
- case HID_GLOBAL_ITEM_TAG_PUSH:
- printf("- Global Push");
- break;
- case HID_GLOBAL_ITEM_TAG_POP:
- printf("- Global Pop");
- break;
- default:
- printf("- Global reserved %d", item->tag);
- break;
- }
- break;
- case HID_ITEM_TYPE_LOCAL:
- switch (item->tag) {
- case HID_LOCAL_ITEM_TAG_USAGE:
- printf("-- Local Usage");
- break;
- case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
- printf("-- Local Usage Minimum");
- break;
- case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
- printf("-- Local Usage Maximum");
- break;
- case HID_LOCAL_ITEM_TAG_DESIGNATOR_INDEX:
- printf("-- Local Designator Index");
- break;
- case HID_LOCAL_ITEM_TAG_DESIGNATOR_MINIMUM:
- printf("-- Local Designator Minimum");
- break;
- case HID_LOCAL_ITEM_TAG_DESIGNATOR_MAXIMUM:
- printf("-- Local Designator Maximum");
- break;
- case HID_LOCAL_ITEM_TAG_STRING_INDEX:
- printf("-- Local String Index");
- break;
- case HID_LOCAL_ITEM_TAG_STRING_MINIMUM:
- printf("-- Local String Minimum");
- break;
- case HID_LOCAL_ITEM_TAG_STRING_MAXIMUM:
- printf("-- Local String Maximum");
- break;
- case HID_LOCAL_ITEM_TAG_DELIMITER:
- printf("-- Local Delimiter");
- break;
- default:
- printf("-- Local reserved %d", item->tag);
- break;
- }
- break;
- default:
- printf("--- reserved %d", item->type);
- break;
- }
- switch (item->size) {
- case 1:
- printf(" %d", item->data.u8);
- break;
- case 2:
- printf(" %d", item->data.u16);
- break;
- case 4:
- printf(" %ld", item->data.u32);
- break;
- }
- printf("\n");
-}
-
-
-static int usb_kbd_get_hid_desc(struct usb_device *dev)
-{
- unsigned char buffer[256];
- struct usb_descriptor_header *head;
- struct usb_config_descriptor *config;
- int index, len, i;
- unsigned char *start, *end;
- struct hid_item item;
-
- if (usb_get_configuration_no(dev, &buffer[0], 0) == -1)
- return -1;
- head = (struct usb_descriptor_header *)&buffer[0];
- if (head->bDescriptorType != USB_DT_CONFIG) {
- printf(" ERROR: NOT USB_CONFIG_DESC %x\n",
- head->bDescriptorType);
- return -1;
- }
- index = head->bLength;
- config = (struct usb_config_descriptor *)&buffer[0];
- len = le16_to_cpu(config->wTotalLength);
- /*
- * Ok the first entry must be a configuration entry,
- * now process the others
- */
- head = (struct usb_descriptor_header *)&buffer[index];
- while (index+1 < len) {
- if (head->bDescriptorType == USB_DT_HID) {
- printf("HID desc found\n");
- memcpy(&usb_kbd_hid_desc, &buffer[index],
- buffer[index]);
- le16_to_cpus(&usb_kbd_hid_desc.bcdHID);
- le16_to_cpus(&usb_kbd_hid_desc.wDescriptorLength);
- usb_kbd_display_hid(&usb_kbd_hid_desc);
- len = 0;
- break;
- }
- index += head->bLength;
- head = (struct usb_descriptor_header *)&buffer[index];
- }
- if (len > 0)
- return -1;
- len = usb_kbd_hid_desc.wDescriptorLength;
- index = usb_get_class_descriptor(dev, 0, USB_DT_REPORT, 0, &buffer[0],
- len);
- if (index < 0) {
- printf("reading report descriptor failed\n");
- return -1;
- }
- printf(" report descriptor (size %u, read %d)\n", len, index);
- start = &buffer[0];
- end = &buffer[len];
- i = 0;
- do {
- index = fetch_item(start, end, &item);
- i += index;
- i++;
- if (index >= 0)
- usb_kbd_show_item(&item);
-
- start += index;
- start++;
- } while (index >= 0);
-
-}
-
-#endif
projects / karo-tx-uboot.git / blobdiff