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Merge git://git.denx.de/u-boot-usb

Browse Source 
- USB keyboard improvements
This commit is contained in:
Tom Rini 2019-11-28 07:34:21 -05:00
commit c4f697b291
9 changed files with 364 additions and 60 deletions
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97
common/usb_kbd.c
View File

@ -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);

1
configs/sandbox64_defconfig
View File

@ -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

1
configs/sandbox_defconfig
View File

@ -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

1
configs/sandbox_flattree_defconfig
View File

@ -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

1
configs/sandbox_spl_defconfig
View File

@ -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

6
drivers/usb/Kconfig
View File

@ -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

27
drivers/usb/emul/sandbox_keyb.c
View File

@ -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 = {

6
include/usb.h
View File

@ -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);

284
test/dm/usb.c
View File

@ -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;