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usb: Add new command to set USB 2.0 port test modes

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This patch adds a new 'usb test' command, that will set a port to a USB
2.0 test mode (see USB 2.0 spec 7.1.20). It supports all five test modes
on both downstream hub ports and ordinary device's upstream ports. In
addition, it supports EHCI root hub ports.

Signed-off-by: Julius Werner <jwerner@chromium.org>
This commit is contained in:
Julius Werner
2013-02-28 18:08:40 +00:00
committed by Marek Vasut
parent b068deb363
commit 7d9aa8fd87
3 changed files with 125 additions and 34 deletions
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13
include/usb_defs.h
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@@ -150,6 +150,18 @@
#define USB_REQ_SET_IDLE 0x0A
#define USB_REQ_SET_PROTOCOL 0x0B
/* Device features */
#define USB_FEAT_HALT 0x00
#define USB_FEAT_WAKEUP 0x01
#define USB_FEAT_TEST 0x02
/* Test modes */
#define USB_TEST_MODE_J 0x01
#define USB_TEST_MODE_K 0x02
#define USB_TEST_MODE_SE0_NAK 0x03
#define USB_TEST_MODE_PACKET 0x04
#define USB_TEST_MODE_FORCE_ENABLE 0x05
/* "pipe" definitions */
@@ -208,6 +220,7 @@
#define USB_PORT_FEAT_C_SUSPEND 18
#define USB_PORT_FEAT_C_OVER_CURRENT 19
#define USB_PORT_FEAT_C_RESET 20
#define USB_PORT_FEAT_TEST 21
/* wPortStatus bits */
#define USB_PORT_STAT_CONNECTION 0x0001