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-rw-r--r--common/usb_kbd.c97
-rw-r--r--configs/sandbox64_defconfig1
-rw-r--r--configs/sandbox_defconfig1
-rw-r--r--configs/sandbox_flattree_defconfig1
-rw-r--r--configs/sandbox_spl_defconfig1
-rw-r--r--drivers/usb/Kconfig6
-rw-r--r--drivers/usb/emul/sandbox_keyb.c27
-rw-r--r--include/usb.h6
-rw-r--r--test/dm/usb.c284
9 files changed, 364 insertions, 60 deletions
diff --git a/common/usb_kbd.c b/common/usb_kbd.c
index d178af248af..a6221ef7164 100644
--- a/common/usb_kbd.c
+++ b/common/usb_kbd.c
@@ -75,13 +75,12 @@ static const unsigned char usb_kbd_num_keypad[] = {
'.', 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
+static const u8 usb_special_keys[] = {
+#ifdef CONFIG_USB_KEYBOARD_FN_KEYS
+ '2', 'H', '5', '3', 'F', '6', 'C', 'D', 'B', 'A'
+#else
+ 'C', 'D', 'B', 'A'
+#endif
};
/*
@@ -96,12 +95,6 @@ static const unsigned char usb_kbd_arrow[] = {
#define USB_KBD_LEDMASK \
(USB_KBD_NUMLOCK | USB_KBD_CAPSLOCK | USB_KBD_SCROLLLOCK)
-/*
- * USB Keyboard reports are 8 bytes in boot protocol.
- * Appendix B of HID Device Class Definition 1.11
- */
-#define USB_KBD_BOOT_REPORT_SIZE 8
-
struct usb_kbd_pdata {
unsigned long intpipe;
int intpktsize;
@@ -127,7 +120,7 @@ extern int __maybe_unused net_busy_flag;
static unsigned long __maybe_unused kbd_testc_tms;
/* Puts character in the queue and sets up the in and out pointer. */
-static void usb_kbd_put_queue(struct usb_kbd_pdata *data, char c)
+static void usb_kbd_put_queue(struct usb_kbd_pdata *data, u8 c)
{
if (data->usb_in_pointer == USB_KBD_BUFFER_LEN - 1) {
/* Check for buffer full. */
@@ -146,12 +139,6 @@ static void usb_kbd_put_queue(struct usb_kbd_pdata *data, char c)
data->usb_kbd_buffer[data->usb_in_pointer] = c;
}
-static void usb_kbd_put_sequence(struct usb_kbd_pdata *data, char *s)
-{
- for (; *s; s++)
- usb_kbd_put_queue(data, *s);
-}
-
/*
* Set the LEDs. Since this is used in the irq routine, the control job is
* issued with a timeout of 0. This means, that the job is queued without
@@ -214,10 +201,6 @@ static int usb_kbd_translate(struct usb_kbd_pdata *data, unsigned char scancode,
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];
@@ -242,28 +225,58 @@ static int usb_kbd_translate(struct usb_kbd_pdata *data, unsigned char scancode,
}
/* Report keycode if any */
- if (keycode)
+ if (keycode) {
debug("%c", keycode);
-
- switch (keycode) {
- case 0x0e: /* Down arrow key */
- usb_kbd_put_sequence(data, "\e[B");
- break;
- case 0x10: /* Up arrow key */
- usb_kbd_put_sequence(data, "\e[A");
- break;
- case 0x06: /* Right arrow key */
- usb_kbd_put_sequence(data, "\e[C");
- break;
- case 0x02: /* Left arrow key */
- usb_kbd_put_sequence(data, "\e[D");
- break;
- default:
usb_kbd_put_queue(data, keycode);
- break;
+ return 0;
}
+#ifdef CONFIG_USB_KEYBOARD_FN_KEYS
+ if (scancode < 0x3a || scancode > 0x52 ||
+ scancode == 0x46 || scancode == 0x47)
+ return 1;
+
+ usb_kbd_put_queue(data, 0x1b);
+ if (scancode < 0x3e) {
+ /* F1 - F4 */
+ usb_kbd_put_queue(data, 0x4f);
+ usb_kbd_put_queue(data, scancode - 0x3a + 'P');
+ return 0;
+ }
+ usb_kbd_put_queue(data, '[');
+ if (scancode < 0x42) {
+ /* F5 - F8 */
+ usb_kbd_put_queue(data, '1');
+ if (scancode == 0x3e)
+ --scancode;
+ keycode = scancode - 0x3f + '7';
+ } else if (scancode < 0x49) {
+ /* F9 - F12 */
+ usb_kbd_put_queue(data, '2');
+ if (scancode > 0x43)
+ ++scancode;
+ keycode = scancode - 0x42 + '0';
+ } else {
+ /*
+ * INSERT, HOME, PAGE UP, DELETE, END, PAGE DOWN,
+ * RIGHT, LEFT, DOWN, UP
+ */
+ keycode = usb_special_keys[scancode - 0x49];
+ }
+ usb_kbd_put_queue(data, keycode);
+ if (scancode < 0x4f && scancode != 0x4a && scancode != 0x4d)
+ usb_kbd_put_queue(data, '~');
return 0;
+#else
+ /* Left, Right, Up, Down */
+ if (scancode > 0x4e && scancode < 0x53) {
+ usb_kbd_put_queue(data, 0x1b);
+ usb_kbd_put_queue(data, '[');
+ usb_kbd_put_queue(data, usb_special_keys[scancode - 0x4f]);
+ return 0;
+ }
+ return 1;
+#endif /* CONFIG_USB_KEYBOARD_FN_KEYS */
}
static uint32_t usb_kbd_service_key(struct usb_device *dev, int i, int up)
@@ -339,7 +352,7 @@ static inline void usb_kbd_poll_for_event(struct usb_device *dev)
#if defined(CONFIG_SYS_USB_EVENT_POLL)
struct usb_kbd_pdata *data = dev->privptr;
- /* Submit a interrupt transfer request */
+ /* Submit an interrupt transfer request */
if (usb_int_msg(dev, data->intpipe, &data->new[0],
data->intpktsize, data->intinterval, true) >= 0)
usb_kbd_irq_worker(dev);
diff --git a/configs/sandbox64_defconfig b/configs/sandbox64_defconfig
index 716096abc54..be1e103cf41 100644
--- a/configs/sandbox64_defconfig
+++ b/configs/sandbox64_defconfig
@@ -181,6 +181,7 @@ CONFIG_USB=y
CONFIG_DM_USB=y
CONFIG_USB_EMUL=y
CONFIG_USB_KEYBOARD=y
+CONFIG_USB_KEYBOARD_FN_KEYS=y
CONFIG_DM_VIDEO=y
CONFIG_CONSOLE_ROTATION=y
CONFIG_CONSOLE_TRUETYPE=y
diff --git a/configs/sandbox_defconfig b/configs/sandbox_defconfig
index a8144436ebd..eda595fca96 100644
--- a/configs/sandbox_defconfig
+++ b/configs/sandbox_defconfig
@@ -203,6 +203,7 @@ CONFIG_USB=y
CONFIG_DM_USB=y
CONFIG_USB_EMUL=y
CONFIG_USB_KEYBOARD=y
+CONFIG_USB_KEYBOARD_FN_KEYS=y
CONFIG_DM_VIDEO=y
CONFIG_CONSOLE_ROTATION=y
CONFIG_CONSOLE_TRUETYPE=y
diff --git a/configs/sandbox_flattree_defconfig b/configs/sandbox_flattree_defconfig
index 774c278bce8..02969f95f10 100644
--- a/configs/sandbox_flattree_defconfig
+++ b/configs/sandbox_flattree_defconfig
@@ -163,6 +163,7 @@ CONFIG_USB=y
CONFIG_DM_USB=y
CONFIG_USB_EMUL=y
CONFIG_USB_KEYBOARD=y
+CONFIG_USB_KEYBOARD_FN_KEYS=y
CONFIG_DM_VIDEO=y
CONFIG_CONSOLE_ROTATION=y
CONFIG_CONSOLE_TRUETYPE=y
diff --git a/configs/sandbox_spl_defconfig b/configs/sandbox_spl_defconfig
index 02702fa7a55..3b0f15de88e 100644
--- a/configs/sandbox_spl_defconfig
+++ b/configs/sandbox_spl_defconfig
@@ -183,6 +183,7 @@ CONFIG_USB=y
CONFIG_DM_USB=y
CONFIG_USB_EMUL=y
CONFIG_USB_KEYBOARD=y
+CONFIG_USB_KEYBOARD_FN_KEYS=y
CONFIG_DM_VIDEO=y
CONFIG_CONSOLE_ROTATION=y
CONFIG_CONSOLE_TRUETYPE=y
diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig
index 9af78e88226..bea4a92b61f 100644
--- a/drivers/usb/Kconfig
+++ b/drivers/usb/Kconfig
@@ -100,6 +100,12 @@ config USB_KEYBOARD
if USB_KEYBOARD
+config USB_KEYBOARD_FN_KEYS
+ bool "USB keyboard function key support"
+ help
+ Say Y here if you want support for keys F1 - F12, INS, HOME, DELETE,
+ END, PAGE UP, and PAGE DOWN.
+
choice
prompt "USB keyboard polling"
default SYS_USB_EVENT_POLL
diff --git a/drivers/usb/emul/sandbox_keyb.c b/drivers/usb/emul/sandbox_keyb.c
index dc43880d27e..32bc9a16983 100644
--- a/drivers/usb/emul/sandbox_keyb.c
+++ b/drivers/usb/emul/sandbox_keyb.c
@@ -155,14 +155,20 @@ static void *keyb_desc_list[] = {
NULL,
};
-int sandbox_usb_keyb_add_string(struct udevice *dev, const char *str)
+/**
+ * sandbox_usb_keyb_add_string() - provide a USB scancode buffer
+ *
+ * @dev: the keyboard emulation device
+ * @scancode: scancode buffer with USB_KBD_BOOT_REPORT_SIZE bytes
+ */
+int sandbox_usb_keyb_add_string(struct udevice *dev,
+ const char scancode[USB_KBD_BOOT_REPORT_SIZE])
{
struct sandbox_keyb_priv *priv = dev_get_priv(dev);
- int len, ret;
+ int ret;
- len = strlen(str);
- ret = membuff_put(&priv->in, str, len);
- if (ret != len)
+ ret = membuff_put(&priv->in, scancode, USB_KBD_BOOT_REPORT_SIZE);
+ if (ret != USB_KBD_BOOT_REPORT_SIZE)
return -ENOSPC;
return 0;
@@ -183,12 +189,12 @@ static int sandbox_keyb_interrupt(struct udevice *dev, struct usb_device *udev,
{
struct sandbox_keyb_priv *priv = dev_get_priv(dev);
uint8_t *data = buffer;
- int ch;
memset(data, '\0', length);
- ch = membuff_getbyte(&priv->in);
- if (ch != -1)
- data[2] = 4 + ch - 'a';
+ if (length < USB_KBD_BOOT_REPORT_SIZE)
+ return 0;
+
+ membuff_get(&priv->in, buffer, USB_KBD_BOOT_REPORT_SIZE);
return 0;
}
@@ -213,7 +219,8 @@ static int sandbox_keyb_probe(struct udevice *dev)
{
struct sandbox_keyb_priv *priv = dev_get_priv(dev);
- return membuff_new(&priv->in, 256);
+ /* Provide an 80 character keyboard buffer */
+ return membuff_new(&priv->in, 80 * USB_KBD_BOOT_REPORT_SIZE);
}
static const struct dm_usb_ops sandbox_usb_keyb_ops = {
diff --git a/include/usb.h b/include/usb.h
index bcad552f85f..efb67ea33ff 100644
--- a/include/usb.h
+++ b/include/usb.h
@@ -242,6 +242,12 @@ int usb_host_eth_scan(int mode);
#ifdef CONFIG_USB_KEYBOARD
+/*
+ * USB Keyboard reports are 8 bytes in boot protocol.
+ * Appendix B of HID Device Class Definition 1.11
+ */
+#define USB_KBD_BOOT_REPORT_SIZE 8
+
int drv_usb_kbd_init(void);
int usb_kbd_deregister(int force);
diff --git a/test/dm/usb.c b/test/dm/usb.c
index ef454b0ae58..e396c2a0ea1 100644
--- a/test/dm/usb.c
+++ b/test/dm/usb.c
@@ -15,6 +15,12 @@
#include <dm/uclass-internal.h>
#include <test/ut.h>
+struct keyboard_test_data {
+ const char modifiers;
+ const char scancode;
+ const char result[6];
+};
+
/* Test that sandbox USB works correctly */
static int dm_test_usb_base(struct unit_test_state *uts)
{
@@ -115,9 +121,263 @@ static int dm_test_usb_stop(struct unit_test_state *uts)
}
DM_TEST(dm_test_usb_stop, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+/**
+ * dm_test_usb_keyb() - test USB keyboard driver
+ *
+ * This test copies USB keyboard scan codes into the key buffer of the USB
+ * keyboard emulation driver. These are picked up during emulated interrupts
+ * by the USB keyboard driver and converted to characters and escape sequences.
+ * The test then reads and verifies these characters and escape sequences from
+ * the standard input.
+ *
+ * TODO: The following features are not yet tested:
+ *
+ * * LED status
+ * * caps-lock
+ * * num-lock
+ * * numerical pad keys
+ *
+ * TODO: The following features are not yet implemented by the USB keyboard
+ * driver and therefore not tested:
+ *
+ * * modifiers for non-alpha-numeric keys, e.g. <SHIFT><TAB> and <ALT><F4>
+ * * some special keys, e.g. <PRINT>
+ * * some modifiers, e.g. <ALT> and <META>
+ * * alternative keyboard layouts
+ *
+ * @uts: unit test state
+ * Return: 0 on success
+ */
static int dm_test_usb_keyb(struct unit_test_state *uts)
{
struct udevice *dev;
+ const struct keyboard_test_data *pos;
+ const struct keyboard_test_data kbd_test_data[] = {
+ /* <A> */
+ {0x00, 0x04, "a"},
+ /* <B> */
+ {0x00, 0x05, "b"},
+ /* <C> */
+ {0x00, 0x06, "c"},
+ /* <D> */
+ {0x00, 0x07, "d"},
+ /* <E> */
+ {0x00, 0x08, "e"},
+ /* <F> */
+ {0x00, 0x09, "f"},
+ /* <G> */
+ {0x00, 0x0a, "g"},
+ /* <H> */
+ {0x00, 0x0b, "h"},
+ /* <I> */
+ {0x00, 0x0c, "i"},
+ /* <J> */
+ {0x00, 0x0d, "j"},
+ /* <K> */
+ {0x00, 0x0e, "k"},
+ /* <L> */
+ {0x00, 0x0f, "l"},
+ /* <M> */
+ {0x00, 0x10, "m"},
+ /* <N> */
+ {0x00, 0x11, "n"},
+ /* <O> */
+ {0x00, 0x12, "o"},
+ /* <P> */
+ {0x00, 0x13, "p"},
+ /* <Q> */
+ {0x00, 0x14, "q"},
+ /* <R> */
+ {0x00, 0x15, "r"},
+ /* <S> */
+ {0x00, 0x16, "s"},
+ /* <T> */
+ {0x00, 0x17, "t"},
+ /* <U> */
+ {0x00, 0x18, "u"},
+ /* <V> */
+ {0x00, 0x19, "v"},
+ /* <W> */
+ {0x00, 0x1a, "w"},
+ /* <X> */
+ {0x00, 0x1b, "x"},
+ /* <Y> */
+ {0x00, 0x1c, "y"},
+ /* <Z> */
+ {0x00, 0x1d, "z"},
+
+ /* <LEFT-SHIFT><A> */
+ {0x02, 0x04, "A"},
+ /* <RIGHT-SHIFT><Z> */
+ {0x20, 0x1d, "Z"},
+
+ /* <LEFT-CONTROL><A> */
+ {0x01, 0x04, "\x01"},
+ /* <RIGHT-CONTROL><Z> */
+ {0x10, 0x1d, "\x1a"},
+
+ /* <1> */
+ {0x00, 0x1e, "1"},
+ /* <2> */
+ {0x00, 0x1f, "2"},
+ /* <3> */
+ {0x00, 0x20, "3"},
+ /* <4> */
+ {0x00, 0x21, "4"},
+ /* <5> */
+ {0x00, 0x22, "5"},
+ /* <6> */
+ {0x00, 0x23, "6"},
+ /* <7> */
+ {0x00, 0x24, "7"},
+ /* <8> */
+ {0x00, 0x25, "8"},
+ /* <9> */
+ {0x00, 0x26, "9"},
+ /* <0> */
+ {0x00, 0x27, "0"},
+
+ /* <LEFT-SHIFT><1> */
+ {0x02, 0x1e, "!"},
+ /* <RIGHT-SHIFT><2> */
+ {0x20, 0x1f, "@"},
+ /* <LEFT-SHIFT><3> */
+ {0x02, 0x20, "#"},
+ /* <RIGHT-SHIFT><4> */
+ {0x20, 0x21, "$"},
+ /* <LEFT-SHIFT><5> */
+ {0x02, 0x22, "%"},
+ /* <RIGHT-SHIFT><6> */
+ {0x20, 0x23, "^"},
+ /* <LEFT-SHIFT><7> */
+ {0x02, 0x24, "&"},
+ /* <RIGHT-SHIFT><8> */
+ {0x20, 0x25, "*"},
+ /* <LEFT-SHIFT><9> */
+ {0x02, 0x26, "("},
+ /* <RIGHT-SHIFT><0> */
+ {0x20, 0x27, ")"},
+
+ /* <ENTER> */
+ {0x00, 0x28, "\r"},
+ /* <ESCAPE> */
+ {0x00, 0x29, "\x1b"},
+ /* <BACKSPACE> */
+ {0x00, 0x2a, "\x08"},
+ /* <TAB> */
+ {0x00, 0x2b, "\x09"},
+ /* <SPACE> */
+ {0x00, 0x2c, " "},
+ /* <MINUS> */
+ {0x00, 0x2d, "-"},
+ /* <EQUAL> */
+ {0x00, 0x2e, "="},
+ /* <LEFT BRACE> */
+ {0x00, 0x2f, "["},
+ /* <RIGHT BRACE> */
+ {0x00, 0x30, "]"},
+ /* <BACKSLASH> */
+ {0x00, 0x31, "\\"},
+ /* <HASH-TILDE> */
+ {0x00, 0x32, "#"},
+ /* <SEMICOLON> */
+ {0x00, 0x33, ";"},
+ /* <APOSTROPHE> */
+ {0x00, 0x34, "'"},
+ /* <GRAVE> */
+ {0x00, 0x35, "`"},
+ /* <COMMA> */
+ {0x00, 0x36, ","},
+ /* <DOT> */
+ {0x00, 0x37, "."},
+ /* <SLASH> */
+ {0x00, 0x38, "/"},
+
+ /* <LEFT-SHIFT><ENTER> */
+ {0x02, 0x28, "\r"},
+ /* <RIGHT-SHIFT><ESCAPE> */
+ {0x20, 0x29, "\x1b"},
+ /* <LEFT-SHIFT><BACKSPACE> */
+ {0x02, 0x2a, "\x08"},
+ /* <RIGHT-SHIFT><TAB> */
+ {0x20, 0x2b, "\x09"},
+ /* <LEFT-SHIFT><SPACE> */
+ {0x02, 0x2c, " "},
+ /* <MINUS> */
+ {0x20, 0x2d, "_"},
+ /* <LEFT-SHIFT><EQUAL> */
+ {0x02, 0x2e, "+"},
+ /* <RIGHT-SHIFT><LEFT BRACE> */
+ {0x20, 0x2f, "{"},
+ /* <LEFT-SHIFT><RIGHT BRACE> */
+ {0x02, 0x30, "}"},
+ /* <RIGHT-SHIFT><BACKSLASH> */
+ {0x20, 0x31, "|"},
+ /* <LEFT-SHIFT><HASH-TILDE> */
+ {0x02, 0x32, "~"},
+ /* <RIGHT-SHIFT><SEMICOLON> */
+ {0x20, 0x33, ":"},
+ /* <LEFT-SHIFT><APOSTROPHE> */
+ {0x02, 0x34, "\""},
+ /* <RIGHT-SHIFT><GRAVE> */
+ {0x20, 0x35, "~"},
+ /* <LEFT-SHIFT><COMMA> */
+ {0x02, 0x36, "<"},
+ /* <RIGHT-SHIFT><DOT> */
+ {0x20, 0x37, ">"},
+ /* <LEFT-SHIFT><SLASH> */
+ {0x02, 0x38, "?"},
+#ifdef CONFIG_USB_KEYBOARD_FN_KEYS
+ /* <F1> */
+ {0x00, 0x3a, "\x1bOP"},
+ /* <F2> */
+ {0x00, 0x3b, "\x1bOQ"},
+ /* <F3> */
+ {0x00, 0x3c, "\x1bOR"},
+ /* <F4> */
+ {0x00, 0x3d, "\x1bOS"},
+ /* <F5> */
+ {0x00, 0x3e, "\x1b[15~"},
+ /* <F6> */
+ {0x00, 0x3f, "\x1b[17~"},
+ /* <F7> */
+ {0x00, 0x40, "\x1b[18~"},
+ /* <F8> */
+ {0x00, 0x41, "\x1b[19~"},
+ /* <F9> */
+ {0x00, 0x42, "\x1b[20~"},
+ /* <F10> */
+ {0x00, 0x43, "\x1b[21~"},
+ /* <F11> */
+ {0x00, 0x44, "\x1b[23~"},
+ /* <F12> */
+ {0x00, 0x45, "\x1b[24~"},
+ /* <INSERT> */
+ {0x00, 0x49, "\x1b[2~"},
+ /* <HOME> */
+ {0x00, 0x4a, "\x1b[H"},
+ /* <PAGE UP> */
+ {0x00, 0x4b, "\x1b[5~"},
+ /* <DELETE> */
+ {0x00, 0x4c, "\x1b[3~"},
+ /* <END> */
+ {0x00, 0x4d, "\x1b[F"},
+ /* <PAGE DOWN> */
+ {0x00, 0x4e, "\x1b[6~"},
+ /* <RIGHT> */
+ {0x00, 0x4f, "\x1b[C"},
+ /* <LEFT> */
+ {0x00, 0x50, "\x1b[D"},
+ /* <DOWN> */
+ {0x00, 0x51, "\x1b[B"},
+ /* <UP> */
+ {0x00, 0x52, "\x1b[A"},
+#endif /* CONFIG_USB_KEYBOARD_FN_KEYS */
+
+ /* End of list */
+ {0x00, 0x00, "\0"}
+ };
+
state_set_skip_delays(true);
ut_assertok(usb_init());
@@ -129,16 +389,24 @@ static int dm_test_usb_keyb(struct unit_test_state *uts)
&dev));
/*
- * Add a string to the USB keyboard buffer - it should appear in
- * stdin
+ * Add scan codes to the USB keyboard buffer. They should appear as
+ * corresponding characters and escape sequences in stdin.
*/
- ut_assertok(sandbox_usb_keyb_add_string(dev, "ab"));
- ut_asserteq(1, tstc());
- ut_asserteq('a', getc());
- ut_asserteq(1, tstc());
- ut_asserteq('b', getc());
- ut_asserteq(0, tstc());
+ for (pos = kbd_test_data; pos->scancode; ++pos) {
+ const char *c;
+ char scancodes[USB_KBD_BOOT_REPORT_SIZE] = {0};
+
+ scancodes[0] = pos->modifiers;
+ scancodes[2] = pos->scancode;
+ ut_assertok(sandbox_usb_keyb_add_string(dev, scancodes));
+
+ for (c = pos->result; *c; ++c) {
+ ut_asserteq(1, tstc());
+ ut_asserteq(*c, getc());
+ }
+ ut_asserteq(0, tstc());
+ }
ut_assertok(usb_stop());
return 0;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-11 02:23:22 +0000