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nexedi
linux
Commits
e9633ab9
Commit
e9633ab9
authored
Jul 06, 2002
by
Greg Kroah-Hartman
Browse files
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Plain Diff
USB: removed the usb-uhci-hcd.o driver
parent
873077ea
Changes
7
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Showing
7 changed files
with
0 additions
and
3205 deletions
+0
-3205
drivers/usb/host/Makefile
drivers/usb/host/Makefile
+0
-1
drivers/usb/host/usb-uhci-dbg.c
drivers/usb/host/usb-uhci-dbg.c
+0
-151
drivers/usb/host/usb-uhci-hcd.c
drivers/usb/host/usb-uhci-hcd.c
+0
-649
drivers/usb/host/usb-uhci-hcd.h
drivers/usb/host/usb-uhci-hcd.h
+0
-247
drivers/usb/host/usb-uhci-hub.c
drivers/usb/host/usb-uhci-hub.c
+0
-213
drivers/usb/host/usb-uhci-mem.c
drivers/usb/host/usb-uhci-mem.c
+0
-717
drivers/usb/host/usb-uhci-q.c
drivers/usb/host/usb-uhci-q.c
+0
-1227
No files found.
drivers/usb/host/Makefile
View file @
e9633ab9
...
...
@@ -7,7 +7,6 @@ export-objs := usb-ohci.o
obj-$(CONFIG_USB_EHCI_HCD)
+=
ehci-hcd.o
obj-$(CONFIG_USB_OHCI_HCD)
+=
ohci-hcd.o
obj-$(CONFIG_USB_UHCI_HCD)
+=
usb-uhci-hcd.o
obj-$(CONFIG_USB_UHCI_HCD_ALT)
+=
uhci-hcd.o
obj-$(CONFIG_USB_OHCI)
+=
usb-ohci.o usb-ohci-pci.o
...
...
drivers/usb/host/usb-uhci-dbg.c
deleted
100644 → 0
View file @
873077ea
/*
UHCI HCD (Host Controller Driver) for USB, debugging calls
(c) 1999-2002
Georg Acher + Deti Fliegl + Thomas Sailer
georg@acher.org deti@fliegl.de sailer@ife.ee.ethz.ch
$Id: usb-uhci-dbg.c,v 1.2 2002/05/21 21:40:16 acher Exp $
*/
#ifdef DEBUG
static
void
__attribute__
((
__unused__
))
uhci_show_qh
(
puhci_desc_t
qh
)
{
if
(
qh
->
type
!=
QH_TYPE
)
{
dbg
(
"qh has not QH_TYPE"
);
return
;
}
dbg
(
"QH @ %p/%08llX:"
,
qh
,
(
unsigned
long
long
)
qh
->
dma_addr
);
if
(
qh
->
hw
.
qh
.
head
&
UHCI_PTR_TERM
)
dbg
(
" Head Terminate"
);
else
dbg
(
" Head: %s @ %08X"
,
(
qh
->
hw
.
qh
.
head
&
UHCI_PTR_QH
?
"QH"
:
"TD"
),
qh
->
hw
.
qh
.
head
&
~
UHCI_PTR_BITS
);
if
(
qh
->
hw
.
qh
.
element
&
UHCI_PTR_TERM
)
dbg
(
" Element Terminate"
);
else
dbg
(
" Element: %s @ %08X"
,
(
qh
->
hw
.
qh
.
element
&
UHCI_PTR_QH
?
"QH"
:
"TD"
),
qh
->
hw
.
qh
.
element
&
~
UHCI_PTR_BITS
);
}
#endif
#if 0
static void uhci_show_td (puhci_desc_t td)
{
char *spid;
switch (td->hw.td.info & 0xff) {
case USB_PID_SETUP:
spid = "SETUP";
break;
case USB_PID_OUT:
spid = " OUT ";
break;
case USB_PID_IN:
spid = " IN ";
break;
default:
spid = " ? ";
break;
}
warn(" TD @ %p/%08X, MaxLen=%02x DT%d EP=%x Dev=%x PID=(%s) buf=%08x",
td, td->dma_addr,
td->hw.td.info >> 21,
((td->hw.td.info >> 19) & 1),
(td->hw.td.info >> 15) & 15,
(td->hw.td.info >> 8) & 127,
spid,
td->hw.td.buffer);
warn(" Len=%02x e%d %s%s%s%s%s%s%s%s%s%s",
td->hw.td.status & 0x7ff,
((td->hw.td.status >> 27) & 3),
(td->hw.td.status & TD_CTRL_SPD) ? "SPD " : "",
(td->hw.td.status & TD_CTRL_LS) ? "LS " : "",
(td->hw.td.status & TD_CTRL_IOC) ? "IOC " : "",
(td->hw.td.status & TD_CTRL_ACTIVE) ? "Active " : "",
(td->hw.td.status & TD_CTRL_STALLED) ? "Stalled " : "",
(td->hw.td.status & TD_CTRL_DBUFERR) ? "DataBufErr " : "",
(td->hw.td.status & TD_CTRL_BABBLE) ? "Babble " : "",
(td->hw.td.status & TD_CTRL_NAK) ? "NAK " : "",
(td->hw.td.status & TD_CTRL_CRCTIMEO) ? "CRC/Timeo " : "",
(td->hw.td.status & TD_CTRL_BITSTUFF) ? "BitStuff " : ""
);
if (td->hw.td.link & UHCI_PTR_TERM)
warn(" TD Link Terminate");
else
warn(" Link points to %s @ %08x, %s",
(td->hw.td.link & UHCI_PTR_QH?"QH":"TD"),
td->hw.td.link & ~UHCI_PTR_BITS,
(td->hw.td.link & UHCI_PTR_DEPTH ? "Depth first" : "Breadth first"));
}
#endif
#ifdef DEBUG
static
void
__attribute__
((
__unused__
))
uhci_show_sc
(
int
port
,
unsigned
short
status
)
{
dbg
(
" stat%d = %04x %s%s%s%s%s%s%s%s"
,
port
,
status
,
(
status
&
USBPORTSC_SUSP
)
?
"PortSuspend "
:
""
,
(
status
&
USBPORTSC_PR
)
?
"PortReset "
:
""
,
(
status
&
USBPORTSC_LSDA
)
?
"LowSpeed "
:
""
,
(
status
&
USBPORTSC_RD
)
?
"ResumeDetect "
:
""
,
(
status
&
USBPORTSC_PEC
)
?
"EnableChange "
:
""
,
(
status
&
USBPORTSC_PE
)
?
"PortEnabled "
:
""
,
(
status
&
USBPORTSC_CSC
)
?
"ConnectChange "
:
""
,
(
status
&
USBPORTSC_CCS
)
?
"PortConnected "
:
""
);
}
void
uhci_show_status
(
struct
uhci_hcd
*
uhci
)
{
unsigned
long
io_addr
=
(
unsigned
long
)
uhci
->
hcd
.
regs
;
unsigned
short
usbcmd
,
usbstat
,
usbint
,
usbfrnum
;
unsigned
int
flbaseadd
;
unsigned
char
sof
;
unsigned
short
portsc1
,
portsc2
;
usbcmd
=
inw
(
io_addr
+
0
);
usbstat
=
inw
(
io_addr
+
2
);
usbint
=
inw
(
io_addr
+
4
);
usbfrnum
=
inw
(
io_addr
+
6
);
flbaseadd
=
inl
(
io_addr
+
8
);
sof
=
inb
(
io_addr
+
12
);
portsc1
=
inw
(
io_addr
+
16
);
portsc2
=
inw
(
io_addr
+
18
);
dbg
(
" usbcmd = %04x %s%s%s%s%s%s%s%s"
,
usbcmd
,
(
usbcmd
&
USBCMD_MAXP
)
?
"Maxp64 "
:
"Maxp32 "
,
(
usbcmd
&
USBCMD_CF
)
?
"CF "
:
""
,
(
usbcmd
&
USBCMD_SWDBG
)
?
"SWDBG "
:
""
,
(
usbcmd
&
USBCMD_FGR
)
?
"FGR "
:
""
,
(
usbcmd
&
USBCMD_EGSM
)
?
"EGSM "
:
""
,
(
usbcmd
&
USBCMD_GRESET
)
?
"GRESET "
:
""
,
(
usbcmd
&
USBCMD_HCRESET
)
?
"HCRESET "
:
""
,
(
usbcmd
&
USBCMD_RS
)
?
"RS "
:
""
);
dbg
(
" usbstat = %04x %s%s%s%s%s%s"
,
usbstat
,
(
usbstat
&
USBSTS_HCH
)
?
"HCHalted "
:
""
,
(
usbstat
&
USBSTS_HCPE
)
?
"HostControllerProcessError "
:
""
,
(
usbstat
&
USBSTS_HSE
)
?
"HostSystemError "
:
""
,
(
usbstat
&
USBSTS_RD
)
?
"ResumeDetect "
:
""
,
(
usbstat
&
USBSTS_ERROR
)
?
"USBError "
:
""
,
(
usbstat
&
USBSTS_USBINT
)
?
"USBINT "
:
""
);
dbg
(
" usbint = %04x"
,
usbint
);
dbg
(
" usbfrnum = (%d)%03x"
,
(
usbfrnum
>>
10
)
&
1
,
0xfff
&
(
4
*
(
unsigned
int
)
usbfrnum
));
dbg
(
" flbaseadd = %08x"
,
flbaseadd
);
dbg
(
" sof = %02x"
,
sof
);
uhci_show_sc
(
1
,
portsc1
);
uhci_show_sc
(
2
,
portsc2
);
}
#endif
drivers/usb/host/usb-uhci-hcd.c
deleted
100644 → 0
View file @
873077ea
This diff is collapsed.
Click to expand it.
drivers/usb/host/usb-uhci-hcd.h
deleted
100644 → 0
View file @
873077ea
#ifndef __LINUX_USB_UHCI_H
#define __LINUX_USB_UHCI_H
/* $Id: usb-uhci-hcd.h,v 1.1 2002/05/14 20:36:57 acher Exp $ */
#ifndef CONFIG_PCI
#error "UHCI needs the CONFIG_PCI option!"
#endif
#define MODNAME "usb-uhci-hcd"
#define UHCI_LATENCY_TIMER 0
static
__inline__
void
uhci_wait_ms
(
unsigned
int
ms
)
{
if
(
!
in_interrupt
())
{
current
->
state
=
TASK_UNINTERRUPTIBLE
;
schedule_timeout
(
1
+
ms
*
HZ
/
1000
);
}
else
mdelay
(
ms
);
}
/* Command register */
#define USBCMD 0
#define USBCMD_RS 0x0001
/* Run/Stop */
#define USBCMD_HCRESET 0x0002
/* Host reset */
#define USBCMD_GRESET 0x0004
/* Global reset */
#define USBCMD_EGSM 0x0008
/* Global Suspend Mode */
#define USBCMD_FGR 0x0010
/* Force Global Resume */
#define USBCMD_SWDBG 0x0020
/* SW Debug mode */
#define USBCMD_CF 0x0040
/* Config Flag (sw only) */
#define USBCMD_MAXP 0x0080
/* Max Packet (0 = 32, 1 = 64) */
/* Status register */
#define USBSTS 2
#define USBSTS_USBINT 0x0001
/* Interrupt due to IOC */
#define USBSTS_ERROR 0x0002
/* Interrupt due to error */
#define USBSTS_RD 0x0004
/* Resume Detect */
#define USBSTS_HSE 0x0008
/* Host System Error - basically PCI problems */
#define USBSTS_HCPE 0x0010
/* Host Controller Process Error - the scripts were buggy */
#define USBSTS_HCH 0x0020
/* HC Halted */
/* Interrupt enable register */
#define USBINTR 4
#define USBINTR_TIMEOUT 0x0001
/* Timeout/CRC error enable */
#define USBINTR_RESUME 0x0002
/* Resume interrupt enable */
#define USBINTR_IOC 0x0004
/* Interrupt On Complete enable */
#define USBINTR_SP 0x0008
/* Short packet interrupt enable */
#define USBFRNUM 6
#define USBFLBASEADD 8
#define USBSOF 12
/* USB port status and control registers */
#define USBPORTSC1 16
#define USBPORTSC2 18
#define USBPORTSC_CCS 0x0001
/* Current Connect Status ("device present") */
#define USBPORTSC_CSC 0x0002
/* Connect Status Change */
#define USBPORTSC_PE 0x0004
/* Port Enable */
#define USBPORTSC_PEC 0x0008
/* Port Enable Change */
#define USBPORTSC_LS 0x0030
/* Line Status */
#define USBPORTSC_RD 0x0040
/* Resume Detect */
#define USBPORTSC_LSDA 0x0100
/* Low Speed Device Attached */
#define USBPORTSC_PR 0x0200
/* Port Reset */
#define USBPORTSC_SUSP 0x1000
/* Suspend */
/* Legacy support register */
#define USBLEGSUP 0xc0
#define USBLEGSUP_DEFAULT 0x2000
/* only PIRQ enable set */
#define UHCI_NULL_DATA_SIZE 0x7ff
/* for UHCI controller TD */
#define UHCI_PID 0xff
/* PID MASK */
#define UHCI_PTR_BITS 0x000F
#define UHCI_PTR_TERM 0x0001
#define UHCI_PTR_QH 0x0002
#define UHCI_PTR_DEPTH 0x0004
#define UHCI_NUMFRAMES 1024
/* in the frame list [array] */
#define UHCI_MAX_SOF_NUMBER 2047
/* in an SOF packet */
#define CAN_SCHEDULE_FRAMES 1000
/* how far future frames can be scheduled */
/* for TD <status> */
#define TD_CTRL_SPD (1 << 29)
/* Short Packet Detect */
#define TD_CTRL_C_ERR_MASK (3 << 27)
/* Error Counter bits */
#define TD_CTRL_LS (1 << 26)
/* Low Speed Device */
#define TD_CTRL_IOS (1 << 25)
/* Isochronous Select */
#define TD_CTRL_IOC (1 << 24)
/* Interrupt on Complete */
#define TD_CTRL_ACTIVE (1 << 23)
/* TD Active */
#define TD_CTRL_STALLED (1 << 22)
/* TD Stalled */
#define TD_CTRL_DBUFERR (1 << 21)
/* Data Buffer Error */
#define TD_CTRL_BABBLE (1 << 20)
/* Babble Detected */
#define TD_CTRL_NAK (1 << 19)
/* NAK Received */
#define TD_CTRL_CRCTIMEO (1 << 18)
/* CRC/Time Out Error */
#define TD_CTRL_BITSTUFF (1 << 17)
/* Bit Stuff Error */
#define TD_CTRL_ACTLEN_MASK 0x7ff
/* actual length, encoded as n - 1 */
#define TD_CTRL_ANY_ERROR (TD_CTRL_STALLED | TD_CTRL_DBUFERR | \
TD_CTRL_BABBLE | TD_CTRL_CRCTIME | TD_CTRL_BITSTUFF)
#define uhci_status_bits(ctrl_sts) (ctrl_sts & 0xFE0000)
#define uhci_actual_length(desc) ((le32_to_cpu(desc->hw.td.status) + 1) & TD_CTRL_ACTLEN_MASK)
/* 1-based */
/* for TD <flags>: */
#define UHCI_TD_REMOVE 0x0001
/* Remove when done */
/* for TD <info>: (a.k.a. Token) */
#define TD_TOKEN_TOGGLE 19
#define uhci_maxlen(token) ((token) >> 21)
#define uhci_toggle(token) (((token) >> TD_TOKEN_TOGGLE) & 1)
#define uhci_endpoint(token) (((token) >> 15) & 0xf)
#define uhci_devaddr(token) (((token) >> 8) & 0x7f)
#define uhci_devep(token) (((token) >> 8) & 0x7ff)
#define uhci_packetid(token) ((token) & 0xff)
#define uhci_packetout(token) (uhci_packetid(token) != USB_PID_IN)
#define uhci_packetin(token) (uhci_packetid(token) == USB_PID_IN)
#define uhci_do_toggle(urb) usb_dotoggle (urb->dev, usb_pipeendpoint (urb->pipe), usb_pipeout (urb->pipe))
#define uhci_get_toggle(urb) usb_gettoggle (urb->dev, usb_pipeendpoint (urb->pipe), usb_pipeout (urb->pipe))
/* ------------------------------------------------------------------------------------
TD/QH-structures
------------------------------------------------------------------------------------ */
typedef
enum
{
TD_TYPE
,
QH_TYPE
}
uhci_desc_type_t
;
typedef
struct
{
__u32
link
;
__u32
status
;
__u32
info
;
__u32
buffer
;
}
uhci_td_t
,
*
puhci_td_t
;
typedef
struct
{
__u32
head
;
__u32
element
;
/* Queue element pointer */
}
uhci_qh_t
,
*
puhci_qh_t
;
typedef
struct
{
union
{
uhci_td_t
td
;
uhci_qh_t
qh
;
}
hw
;
uhci_desc_type_t
type
;
dma_addr_t
dma_addr
;
struct
list_head
horizontal
;
struct
list_head
vertical
;
struct
list_head
desc_list
;
int
last_used
;
}
uhci_desc_t
,
*
puhci_desc_t
;
typedef
struct
{
struct
list_head
desc_list
;
// list pointer to all corresponding TDs/QHs associated with this request
struct
list_head
urb_list
;
struct
urb
*
urb
;
// urb to which this data belongs
dma_addr_t
setup_packet_dma
;
dma_addr_t
transfer_buffer_dma
;
unsigned
long
started
;
struct
urb
*
next_queued_urb
;
// next queued urb for this EP
struct
urb
*
prev_queued_urb
;
uhci_desc_t
*
bottom_qh
;
uhci_desc_t
*
next_qh
;
// next helper QH
char
use_loop
;
char
flags
;
}
urb_priv_t
,
*
purb_priv_t
;
struct
uhci_hcd
{
unsigned
int
maxports
;
int
running
;
int
apm_state
;
struct
uhci_hcd
*
next
;
// chain of uhci device contexts
spinlock_t
urb_list_lock
;
// lock to keep consistency
spinlock_t
qh_lock
;
spinlock_t
td_lock
;
atomic_t
avoid_bulk
;
__u32
*
framelist
;
dma_addr_t
framelist_dma
;
uhci_desc_t
**
iso_td
;
uhci_desc_t
*
int_chain
[
8
];
uhci_desc_t
*
ls_control_chain
;
uhci_desc_t
*
control_chain
;
uhci_desc_t
*
bulk_chain
;
uhci_desc_t
*
chain_end
;
uhci_desc_t
*
td1ms
;
uhci_desc_t
*
td32ms
;
uhci_desc_t
*
td128ms
;
struct
list_head
urb_list
;
// list of all pending urbs
struct
list_head
free_desc_qh
;
// Cool down pool for QH
struct
list_head
free_desc_td
;
// Cool down pool for ISO/INT-TDs
struct
list_head
urb_unlinked
;
// list of all unlinked urbs
struct
pci_dev
*
uhci_pci
;
struct
pci_pool
*
desc_pool
;
int
unlink_urb_done
;
int
loop_usage
;
// URBs using bandwidth reclamation
long
timeout_check
;
int
timeout_urbs
;
long
last_error_time
;
// last error output in uhci_interrupt()
long
last_hcd_irq
;
int
reanimations
;
int
need_init
;
// Framework state
struct
usb_hcd
hcd
;
};
#define hcd_to_uhci(hcd_ptr) list_entry(hcd_ptr, struct uhci_hcd, hcd)
#define MAKE_TD_ADDR(a) ((a)->dma_addr&~UHCI_PTR_QH)
#define MAKE_QH_ADDR(a) ((a)->dma_addr|UHCI_PTR_QH)
#define UHCI_GET_CURRENT_FRAME(uhci) (inw ((int)(uhci->hcd.regs) + USBFRNUM))
#define CLEAN_TRANSFER_NO_DELETION 0
#define CLEAN_TRANSFER_REGULAR 1
#define CLEAN_TRANSFER_DELETION_MARK 2
#define CLEAN_NOT_FORCED 0
#define CLEAN_FORCED 1
#define PROCESS_ISO_REGULAR 0
#define PROCESS_ISO_FORCE 1
#define PROCESS_INT_REGULAR 0
#define PROCESS_INT_REMOVE 1
#define UNLINK_ASYNC_STORE_URB 0
#define UNLINK_ASYNC_DONT_STORE 1
#define is_td_active(desc) (desc->hw.td.status & cpu_to_le32(TD_CTRL_ACTIVE))
#define set_qh_head(desc,val) (desc)->hw.qh.head=cpu_to_le32(val)
#define set_qh_element(desc,val) (desc)->hw.qh.element=cpu_to_le32(val)
#define set_td_link(desc,val) (desc)->hw.td.link=cpu_to_le32(val)
#define set_td_ioc(desc) (desc)->hw.td.status |= cpu_to_le32(TD_CTRL_IOC)
#define clr_td_ioc(desc) (desc)->hw.td.status &= cpu_to_le32(~TD_CTRL_IOC)
#endif
drivers/usb/host/usb-uhci-hub.c
deleted
100644 → 0
View file @
873077ea
/*
UHCI HCD (Host Controller Driver) for USB, UHCI Root Hub
(c) 1999-2002
Georg Acher + Deti Fliegl + Thomas Sailer
georg@acher.org deti@fliegl.de sailer@ife.ee.ethz.ch
with the help of
David Brownell, david-b@pacbell.net
Adam Richter, adam@yggdrasil.com
Roman Weissgaerber, weissg@vienna.at
HW-initalization based on material of
Randy Dunlap + Johannes Erdfelt + Gregory P. Smith + Linus Torvalds
$Id: usb-uhci-hub.c,v 1.2 2002/05/21 21:40:16 acher Exp $
*/
#define CLR_RH_PORTSTAT(x) \
status = inw(io_addr+USBPORTSC1+2*(wIndex-1)); \
status = (status & 0xfff5) & ~(x); \
outw(status, io_addr+USBPORTSC1+2*(wIndex-1))
#define SET_RH_PORTSTAT(x) \
status = inw(io_addr+USBPORTSC1+2*(wIndex-1)); \
status = (status & 0xfff5) | (x); \
outw(status, io_addr+USBPORTSC1+2*(wIndex-1))
static
int
oldval
=-
1
;
/* build "status change" packet (one or two bytes) from HC registers
Since uhci_hub_status_data is called by a SW timer, it is also used
for monitoring HC health */
static
int
uhci_hub_status_data
(
struct
usb_hcd
*
hcd
,
char
*
buf
)
{
struct
uhci_hcd
*
uhci
=
hcd_to_uhci
(
hcd
);
unsigned
long
io_addr
=
(
unsigned
long
)
uhci
->
hcd
.
regs
;
int
i
,
len
=
0
,
data
=
0
,
portstate
;
int
changed
=
0
;
for
(
i
=
0
;
i
<
uhci
->
maxports
;
i
++
)
{
portstate
=
inw
(
io_addr
+
USBPORTSC1
+
i
*
2
);
#if 0
if (i==0 && (portstate&0xf) != (oldval&0xf))
err("Port %i: %x", i+1, portstate);
#endif
if
(
i
==
0
)
oldval
=
portstate
;
if
((
portstate
&
0xa
)
>
0
)
{
changed
=
1
;
}
data
|=
((
portstate
&
0xa
)
>
0
?
(
1
<<
(
i
+
1
))
:
0
);
len
=
(
i
+
1
)
/
8
+
1
;
}
*
(
__u16
*
)
buf
=
cpu_to_le16
(
data
);
// Watchdog
if
(
uhci
->
running
&&
time_after
(
jiffies
,
uhci
->
last_hcd_irq
+
WATCHDOG_TIMEOUT
))
{
if
(
uhci
->
reanimations
>
MAX_REANIMATIONS
)
{
err
(
"He's dead, Jim. Giving up reanimating the UHCI host controller.
\n
"
"Maybe a real module reload helps..."
);
uhci
->
running
=
0
;
}
else
{
uhci
->
running
=
0
;
uhci
->
need_init
=
1
;
// init done in the next submit_urb
}
}
return
changed
?
len
:
0
;
}
/*-------------------------------------------------------------------------*/
static
void
uhci_hub_descriptor
(
struct
uhci_hcd
*
uhci
,
struct
usb_hub_descriptor
*
desc
)
{
int
ports
=
uhci
->
maxports
;
u16
temp
;
desc
->
bDescriptorType
=
0x29
;
desc
->
bPwrOn2PwrGood
=
1
;
desc
->
bHubContrCurrent
=
0
;
desc
->
bNbrPorts
=
ports
;
temp
=
1
+
(
ports
/
8
);
desc
->
bDescLength
=
7
+
2
*
temp
;
desc
->
wHubCharacteristics
=
0
;
desc
->
bitmap
[
0
]
=
0
;
desc
->
bitmap
[
1
]
=
0xff
;
}
/*-------------------------------------------------------------------------*/
static
int
uhci_hub_control
(
struct
usb_hcd
*
hcd
,
u16
typeReq
,
u16
wValue
,
u16
wIndex
,
char
*
buf
,
u16
wLength
)
{
struct
uhci_hcd
*
uhci
=
hcd_to_uhci
(
hcd
);
int
status
=
0
;
int
stat
=
0
;
int
cstatus
;
unsigned
long
io_addr
=
(
unsigned
long
)
uhci
->
hcd
.
regs
;
int
ports
=
uhci
->
maxports
;
switch
(
typeReq
)
{
case
ClearHubFeature
:
break
;
case
ClearPortFeature
:
if
(
!
wIndex
||
wIndex
>
ports
)
goto
error
;
switch
(
wValue
)
{
case
USB_PORT_FEAT_ENABLE
:
CLR_RH_PORTSTAT
(
USBPORTSC_PE
);
break
;
case
USB_PORT_FEAT_C_ENABLE
:
SET_RH_PORTSTAT
(
USBPORTSC_PEC
);
break
;
case
USB_PORT_FEAT_SUSPEND
:
CLR_RH_PORTSTAT
(
USBPORTSC_SUSP
);
break
;
case
USB_PORT_FEAT_C_SUSPEND
:
/*** WR_RH_PORTSTAT(RH_PS_PSSC); */
break
;
case
USB_PORT_FEAT_POWER
:
break
;
/* port power ** */
case
USB_PORT_FEAT_C_CONNECTION
:
SET_RH_PORTSTAT
(
USBPORTSC_CSC
);
break
;
case
USB_PORT_FEAT_C_OVER_CURRENT
:
break
;
/* port power over current ** */
case
USB_PORT_FEAT_C_RESET
:
break
;
default:
goto
error
;
}
break
;
case
GetHubDescriptor
:
uhci_hub_descriptor
(
uhci
,
(
struct
usb_hub_descriptor
*
)
buf
);
break
;
case
GetHubStatus
:
*
(
u32
*
)
buf
=
cpu_to_le32
(
0
);
break
;
case
GetPortStatus
:
if
(
!
wIndex
||
wIndex
>
ports
)
goto
error
;
status
=
inw
(
io_addr
+
USBPORTSC1
+
2
*
(
wIndex
-
1
));
cstatus
=
((
status
&
USBPORTSC_CSC
)
>>
(
1
-
0
))
|
((
status
&
USBPORTSC_PEC
)
>>
(
3
-
1
));
status
=
(
status
&
USBPORTSC_CCS
)
|
((
status
&
USBPORTSC_PE
)
>>
(
2
-
1
))
|
((
status
&
USBPORTSC_SUSP
)
>>
(
12
-
2
))
|
((
status
&
USBPORTSC_PR
)
>>
(
9
-
4
))
|
(
1
<<
8
)
|
/* power on ** */
((
status
&
USBPORTSC_LSDA
)
<<
(
-
8
+
9
));
*
(
__u16
*
)
buf
=
cpu_to_le16
(
status
);
*
(
__u16
*
)
(
buf
+
2
)
=
cpu_to_le16
(
cstatus
);
break
;
case
SetHubFeature
:
// FIXME
break
;
case
SetPortFeature
:
if
(
!
wIndex
||
wIndex
>
ports
)
goto
error
;
switch
(
wValue
)
{
case
USB_PORT_FEAT_SUSPEND
:
SET_RH_PORTSTAT
(
USBPORTSC_SUSP
);
break
;
case
USB_PORT_FEAT_RESET
:
SET_RH_PORTSTAT
(
USBPORTSC_PR
);
uhci_wait_ms
(
10
);
CLR_RH_PORTSTAT
(
USBPORTSC_PR
);
udelay
(
10
);
SET_RH_PORTSTAT
(
USBPORTSC_PE
);
uhci_wait_ms
(
10
);
SET_RH_PORTSTAT
(
0xa
);
break
;
case
USB_PORT_FEAT_POWER
:
break
;
/* port power ** */
case
USB_PORT_FEAT_ENABLE
:
SET_RH_PORTSTAT
(
USBPORTSC_PE
);
break
;
default:
goto
error
;
}
break
;
default:
error:
stat
=
-
EPIPE
;
}
dbg
(
"Root-Hub stat port1: %x port2: %x"
,
inw
(
io_addr
+
USBPORTSC1
),
inw
(
io_addr
+
USBPORTSC2
));
return
stat
;
}
drivers/usb/host/usb-uhci-mem.c
deleted
100644 → 0
View file @
873077ea
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Click to expand it.
drivers/usb/host/usb-uhci-q.c
deleted
100644 → 0
View file @
873077ea
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