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Diffstat (limited to 'drivers/usb/host/xhci.h')
-rw-r--r--drivers/usb/host/xhci.h44
1 files changed, 22 insertions, 22 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 2abaa4d6d39d..99a014a920d3 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* xHCI host controller driver
@@ -6,19 +7,6 @@
*
* Author: Sarah Sharp
* Some code borrowed from the Linux EHCI driver.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __LINUX_XHCI_HCD_H
@@ -131,6 +119,8 @@ struct xhci_cap_regs {
/* Extended Capabilities pointer from PCI base - section 5.3.6 */
#define HCC_EXT_CAPS(p) XHCI_HCC_EXT_CAPS(p)
+#define CTX_SIZE(_hcc) (HCC_64BYTE_CONTEXT(_hcc) ? 64 : 32)
+
/* db_off bitmask - bits 0:1 reserved */
#define DBOFF_MASK (~0x3)
@@ -735,6 +725,8 @@ struct xhci_ep_ctx {
#define EP_MAXPSTREAMS(p) (((p) << 10) & EP_MAXPSTREAMS_MASK)
/* Endpoint is set up with a Linear Stream Array (vs. Secondary Stream Array) */
#define EP_HAS_LSA (1 << 15)
+/* hosts with LEC=1 use bits 31:24 as ESIT high bits. */
+#define CTX_TO_MAX_ESIT_PAYLOAD_HI(p) (((p) >> 24) & 0xff)
/* ep_info2 bitmasks */
/*
@@ -1005,6 +997,8 @@ struct xhci_virt_device {
struct xhci_tt_bw_info *tt_info;
/* The current max exit latency for the enabled USB3 link states. */
u16 current_mel;
+ /* Used for the debugfs interfaces. */
+ void *debugfs_private;
};
/*
@@ -1681,7 +1675,7 @@ struct xhci_bus_state {
static inline unsigned int hcd_index(struct usb_hcd *hcd)
{
- if (hcd->speed == HCD_USB3)
+ if (hcd->speed >= HCD_USB3)
return 0;
else
return 1;
@@ -1826,8 +1820,9 @@ struct xhci_hcd {
/* For controller with a broken Port Disable implementation */
#define XHCI_BROKEN_PORT_PED (1 << 25)
#define XHCI_LIMIT_ENDPOINT_INTERVAL_7 (1 << 26)
-#define XHCI_U2_DISABLE_WAKE (1 << 27)
+/* Reserved. It was XHCI_U2_DISABLE_WAKE */
#define XHCI_ASMEDIA_MODIFY_FLOWCONTROL (1 << 28)
+#define XHCI_HW_LPM_DISABLE (1 << 29)
unsigned int num_active_eps;
unsigned int limit_active_eps;
@@ -1857,6 +1852,10 @@ struct xhci_hcd {
/* Compliance Mode Timer Triggered every 2 seconds */
#define COMP_MODE_RCVRY_MSECS 2000
+ struct dentry *debugfs_root;
+ struct dentry *debugfs_slots;
+ struct list_head regset_list;
+
/* platform-specific data -- must come last */
unsigned long priv[0] __aligned(sizeof(s64));
};
@@ -2010,8 +2009,7 @@ int xhci_run(struct usb_hcd *hcd);
int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks);
void xhci_init_driver(struct hc_driver *drv,
const struct xhci_driver_overrides *over);
-int xhci_disable_slot(struct xhci_hcd *xhci,
- struct xhci_command *command, u32 slot_id);
+int xhci_disable_slot(struct xhci_hcd *xhci, u32 slot_id);
int xhci_suspend(struct xhci_hcd *xhci, bool do_wakeup);
int xhci_resume(struct xhci_hcd *xhci, bool hibernated);
@@ -2066,7 +2064,7 @@ void xhci_queue_new_dequeue_state(struct xhci_hcd *xhci,
struct xhci_dequeue_state *deq_state);
void xhci_cleanup_stalled_ring(struct xhci_hcd *xhci, unsigned int ep_index,
unsigned int stream_id, struct xhci_td *td);
-void xhci_stop_endpoint_command_watchdog(unsigned long arg);
+void xhci_stop_endpoint_command_watchdog(struct timer_list *t);
void xhci_handle_command_timeout(struct work_struct *work);
void xhci_ring_ep_doorbell(struct xhci_hcd *xhci, unsigned int slot_id,
@@ -2105,6 +2103,7 @@ struct xhci_ep_ctx *xhci_get_ep_ctx(struct xhci_hcd *xhci, struct xhci_container
struct xhci_ring *xhci_triad_to_transfer_ring(struct xhci_hcd *xhci,
unsigned int slot_id, unsigned int ep_index,
unsigned int stream_id);
+
static inline struct xhci_ring *xhci_urb_to_transfer_ring(struct xhci_hcd *xhci,
struct urb *urb)
{
@@ -2440,11 +2439,12 @@ static inline const char *xhci_decode_portsc(u32 portsc)
static char str[256];
int ret;
- ret = sprintf(str, "%s %s %s Link:%s ",
+ ret = sprintf(str, "%s %s %s Link:%s PortSpeed:%d ",
portsc & PORT_POWER ? "Powered" : "Powered-off",
portsc & PORT_CONNECT ? "Connected" : "Not-connected",
portsc & PORT_PE ? "Enabled" : "Disabled",
- xhci_portsc_link_state_string(portsc));
+ xhci_portsc_link_state_string(portsc),
+ DEV_PORT_SPEED(portsc));
if (portsc & PORT_OC)
ret += sprintf(str + ret, "OverCurrent ");
@@ -2540,8 +2540,8 @@ static inline const char *xhci_decode_ep_context(u32 info, u32 info2, u64 deq,
u8 lsa;
u8 hid;
- esit = EP_MAX_ESIT_PAYLOAD_HI(info) << 16 |
- EP_MAX_ESIT_PAYLOAD_LO(tx_info);
+ esit = CTX_TO_MAX_ESIT_PAYLOAD_HI(info) << 16 |
+ CTX_TO_MAX_ESIT_PAYLOAD(tx_info);
ep_state = info & EP_STATE_MASK;
max_pstr = info & EP_MAXPSTREAMS_MASK;