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usb: USB3.0 ch11 definitions
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Adding hub SuperSpeed usb definitions as defined by ch10 of the USB3.0
spec.

Signed-off-by: Tatyana Brokhman <tlinder@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Tatyana Brokhman authored and Greg Kroah-Hartman committed Nov 11, 2010
1 parent b73af61 commit 0eadcc0
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Showing 2 changed files with 51 additions and 0 deletions.
47 changes: 47 additions & 0 deletions include/linux/usb/ch11.h
Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,13 @@
#define HUB_GET_TT_STATE 10
#define HUB_STOP_TT 11

/*
* Hub class additional requests defined by USB 3.0 spec
* See USB 3.0 spec Table 10-6
*/
#define HUB_SET_DEPTH 12
#define HUB_GET_PORT_ERR_COUNT 13

/*
* Hub Class feature numbers
* See USB 2.0 spec Table 11-17
Expand Down Expand Up @@ -55,6 +62,20 @@
#define USB_PORT_FEAT_INDICATOR 22
#define USB_PORT_FEAT_C_PORT_L1 23

/*
* Port feature selectors added by USB 3.0 spec.
* See USB 3.0 spec Table 10-7
*/
#define USB_PORT_FEAT_LINK_STATE 5
#define USB_PORT_FEAT_U1_TIMEOUT 23
#define USB_PORT_FEAT_U2_TIMEOUT 24
#define USB_PORT_FEAT_C_LINK_STATE 25
#define USB_PORT_FEAT_C_CONFIG_ERR 26
#define USB_PORT_FEAT_REMOTE_WAKE_MASK 27
#define USB_PORT_FEAT_BH_PORT_RESET 28
#define USB_PORT_FEAT_C_BH_PORT_RESET 29
#define USB_PORT_FEAT_FORCE_LINKPM_ACCEPT 30

/*
* Hub Status and Hub Change results
* See USB 2.0 spec Table 11-19 and Table 11-20
Expand Down Expand Up @@ -83,6 +104,32 @@ struct usb_port_status {
/* bits 13 to 15 are reserved */
#define USB_PORT_STAT_SUPER_SPEED 0x8000 /* Linux-internal */

/*
* Additions to wPortStatus bit field from USB 3.0
* See USB 3.0 spec Table 10-10
*/
#define USB_PORT_STAT_LINK_STATE 0x01e0
#define USB_SS_PORT_STAT_POWER 0x0200
#define USB_PORT_STAT_SPEED_5GBPS 0x0000
/* Valid only if port is enabled */

/*
* Definitions for PORT_LINK_STATE values
* (bits 5-8) in wPortStatus
*/
#define USB_SS_PORT_LS_U0 0x0000
#define USB_SS_PORT_LS_U1 0x0020
#define USB_SS_PORT_LS_U2 0x0040
#define USB_SS_PORT_LS_U3 0x0060
#define USB_SS_PORT_LS_SS_DISABLED 0x0080
#define USB_SS_PORT_LS_RX_DETECT 0x00a0
#define USB_SS_PORT_LS_SS_INACTIVE 0x00c0
#define USB_SS_PORT_LS_POLLING 0x00e0
#define USB_SS_PORT_LS_RECOVERY 0x0100
#define USB_SS_PORT_LS_HOT_RESET 0x0120
#define USB_SS_PORT_LS_COMP_MOD 0x0140
#define USB_SS_PORT_LS_LOOPBACK 0x0160

/*
* wPortChange bit field
* See USB 2.0 spec Table 11-22
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4 changes: 4 additions & 0 deletions include/linux/usb/hcd.h
Original file line number Diff line number Diff line change
Expand Up @@ -471,6 +471,10 @@ extern void usb_ep0_reinit(struct usb_device *);

/*-------------------------------------------------------------------------*/

/* class requests from USB 3.0 hub spec, table 10-5 */
#define SetHubDepth (0x3000 | HUB_SET_DEPTH)
#define GetPortErrorCount (0x8000 | HUB_GET_PORT_ERR_COUNT)

/*
* Generic bandwidth allocation constants/support
*/
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