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linux
Commits
34861cdd
Commit
34861cdd
authored
21 years ago
by
Michael Hunold
Committed by
Linus Torvalds
21 years ago
Browse files
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Plain Diff
[PATCH] TTUSB-DEC driver update
[DVB] - Hand off all processing of urb data to a tasklet
parent
beabad15
Changes
2
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Showing
2 changed files
with
85 additions
and
25 deletions
+85
-25
drivers/media/dvb/ttusb-dec/ttusb_dec.c
drivers/media/dvb/ttusb-dec/ttusb_dec.c
+71
-23
drivers/media/dvb/ttusb-dec/ttusb_dec.h
drivers/media/dvb/ttusb-dec/ttusb_dec.h
+14
-2
No files found.
drivers/media/dvb/ttusb-dec/ttusb_dec.c
View file @
34861cdd
...
@@ -124,14 +124,10 @@ static void ttusb_dec_set_pids(struct ttusb_dec *dec)
...
@@ -124,14 +124,10 @@ static void ttusb_dec_set_pids(struct ttusb_dec *dec)
ttusb_dec_send_command
(
dec
,
0x50
,
sizeof
(
b
),
b
,
NULL
,
NULL
);
ttusb_dec_send_command
(
dec
,
0x50
,
sizeof
(
b
),
b
,
NULL
,
NULL
);
if
(
!
down_interruptible
(
&
dec
->
pes2ts_sem
))
{
dvb_filter_pes2ts_init
(
&
dec
->
a_pes2ts
,
dec
->
pid
[
DMX_PES_AUDIO
],
dvb_filter_pes2ts_init
(
&
dec
->
a_pes2ts
,
dec
->
pid
[
DMX_PES_AUDIO
],
ttusb_dec_av_pes2ts_cb
,
dec
->
demux
.
feed
);
ttusb_dec_av_pes2ts_cb
,
dec
->
demux
.
feed
);
dvb_filter_pes2ts_init
(
&
dec
->
v_pes2ts
,
dec
->
pid
[
DMX_PES_VIDEO
],
dvb_filter_pes2ts_init
(
&
dec
->
v_pes2ts
,
dec
->
pid
[
DMX_PES_VIDEO
],
ttusb_dec_av_pes2ts_cb
,
dec
->
demux
.
feed
);
ttusb_dec_av_pes2ts_cb
,
dec
->
demux
.
feed
);
up
(
&
dec
->
pes2ts_sem
);
}
}
}
static
int
ttusb_dec_i2c_master_xfer
(
struct
dvb_i2c_bus
*
i2c
,
static
int
ttusb_dec_i2c_master_xfer
(
struct
dvb_i2c_bus
*
i2c
,
...
@@ -196,14 +192,8 @@ static void ttusb_dec_process_av_pes(struct ttusb_dec * dec, u8 * av_pes,
...
@@ -196,14 +192,8 @@ static void ttusb_dec_process_av_pes(struct ttusb_dec * dec, u8 * av_pes,
memcpy
(
&
dec
->
v_pes
[
dec
->
v_pes_length
],
memcpy
(
&
dec
->
v_pes
[
dec
->
v_pes_length
],
&
av_pes
[
12
],
prebytes
);
&
av_pes
[
12
],
prebytes
);
if
(
!
down_interruptible
(
&
dec
->
pes2ts_sem
))
{
dvb_filter_pes2ts
(
&
dec
->
v_pes2ts
,
dec
->
v_pes
,
dvb_filter_pes2ts
(
&
dec
->
v_pes2ts
,
dec
->
v_pes_length
+
prebytes
);
dec
->
v_pes
,
dec
->
v_pes_length
+
prebytes
);
up
(
&
dec
->
pes2ts_sem
);
}
}
}
if
(
av_pes
[
5
]
&
0x10
)
{
if
(
av_pes
[
5
]
&
0x10
)
{
...
@@ -246,16 +236,10 @@ static void ttusb_dec_process_av_pes(struct ttusb_dec * dec, u8 * av_pes,
...
@@ -246,16 +236,10 @@ static void ttusb_dec_process_av_pes(struct ttusb_dec * dec, u8 * av_pes,
postbytes
);
postbytes
);
memcpy
(
&
dec
->
v_pes
[
4
],
&
v_pes_payload_length
,
2
);
memcpy
(
&
dec
->
v_pes
[
4
],
&
v_pes_payload_length
,
2
);
if
(
postbytes
==
0
)
{
if
(
postbytes
==
0
)
if
(
!
down_interruptible
(
&
dec
->
pes2ts_sem
))
{
dvb_filter_pes2ts
(
&
dec
->
v_pes2ts
,
dec
->
v_pes
,
dvb_filter_pes2ts
(
&
dec
->
v_pes2ts
,
dec
->
v_pes
,
dec
->
v_pes_length
);
dec
->
v_pes_length
);
up
(
&
dec
->
pes2ts_sem
);
}
}
break
;
break
;
}
}
...
@@ -357,6 +341,31 @@ static void ttusb_dec_process_urb_frame(struct ttusb_dec * dec, u8 * b,
...
@@ -357,6 +341,31 @@ static void ttusb_dec_process_urb_frame(struct ttusb_dec * dec, u8 * b,
}
}
}
}
static
void
ttusb_dec_process_urb_frame_list
(
unsigned
long
data
)
{
struct
ttusb_dec
*
dec
=
(
struct
ttusb_dec
*
)
data
;
struct
list_head
*
item
;
struct
urb_frame
*
frame
;
unsigned
long
flags
;
while
(
1
)
{
spin_lock_irqsave
(
&
dec
->
urb_frame_list_lock
,
flags
);
if
((
item
=
dec
->
urb_frame_list
.
next
)
!=
&
dec
->
urb_frame_list
)
{
frame
=
list_entry
(
item
,
struct
urb_frame
,
urb_frame_list
);
list_del
(
&
frame
->
urb_frame_list
);
}
else
{
spin_unlock_irqrestore
(
&
dec
->
urb_frame_list_lock
,
flags
);
return
;
}
spin_unlock_irqrestore
(
&
dec
->
urb_frame_list_lock
,
flags
);
ttusb_dec_process_urb_frame
(
dec
,
frame
->
data
,
frame
->
length
);
kfree
(
frame
);
}
}
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
static
void
ttusb_dec_process_urb
(
struct
urb
*
urb
)
static
void
ttusb_dec_process_urb
(
struct
urb
*
urb
)
#else
#else
...
@@ -372,12 +381,28 @@ static void ttusb_dec_process_urb(struct urb *urb, struct pt_regs *ptregs)
...
@@ -372,12 +381,28 @@ static void ttusb_dec_process_urb(struct urb *urb, struct pt_regs *ptregs)
struct
usb_iso_packet_descriptor
*
d
;
struct
usb_iso_packet_descriptor
*
d
;
u8
*
b
;
u8
*
b
;
int
length
;
int
length
;
struct
urb_frame
*
frame
;
d
=
&
urb
->
iso_frame_desc
[
i
];
d
=
&
urb
->
iso_frame_desc
[
i
];
b
=
urb
->
transfer_buffer
+
d
->
offset
;
b
=
urb
->
transfer_buffer
+
d
->
offset
;
length
=
d
->
actual_length
;
length
=
d
->
actual_length
;
ttusb_dec_process_urb_frame
(
dec
,
b
,
length
);
if
((
frame
=
kmalloc
(
sizeof
(
struct
urb_frame
),
GFP_ATOMIC
)))
{
unsigned
long
flags
;
memcpy
(
frame
->
data
,
b
,
length
);
frame
->
length
=
length
;
spin_lock_irqsave
(
&
dec
->
urb_frame_list_lock
,
flags
);
list_add_tail
(
&
frame
->
urb_frame_list
,
&
dec
->
urb_frame_list
);
spin_unlock_irqrestore
(
&
dec
->
urb_frame_list_lock
,
flags
);
tasklet_schedule
(
&
dec
->
urb_tasklet
);
}
}
}
}
else
{
}
else
{
/* -ENOENT is expected when unlinking urbs */
/* -ENOENT is expected when unlinking urbs */
...
@@ -653,6 +678,14 @@ static int ttusb_dec_alloc_iso_urbs(struct ttusb_dec *dec)
...
@@ -653,6 +678,14 @@ static int ttusb_dec_alloc_iso_urbs(struct ttusb_dec *dec)
return
0
;
return
0
;
}
}
static
void
ttusb_dec_init_tasklet
(
struct
ttusb_dec
*
dec
)
{
dec
->
urb_frame_list_lock
=
SPIN_LOCK_UNLOCKED
;
INIT_LIST_HEAD
(
&
dec
->
urb_frame_list
);
tasklet_init
(
&
dec
->
urb_tasklet
,
ttusb_dec_process_urb_frame_list
,
(
unsigned
long
)
dec
);
}
static
void
ttusb_dec_init_v_pes
(
struct
ttusb_dec
*
dec
)
static
void
ttusb_dec_init_v_pes
(
struct
ttusb_dec
*
dec
)
{
{
dprintk
(
"%s
\n
"
,
__FUNCTION__
);
dprintk
(
"%s
\n
"
,
__FUNCTION__
);
...
@@ -834,8 +867,6 @@ static int ttusb_dec_init_dvb(struct ttusb_dec *dec)
...
@@ -834,8 +867,6 @@ static int ttusb_dec_init_dvb(struct ttusb_dec *dec)
return
result
;
return
result
;
}
}
sema_init
(
&
dec
->
pes2ts_sem
,
1
);
dvb_net_init
(
dec
->
adapter
,
&
dec
->
dvb_net
,
&
dec
->
demux
.
dmx
);
dvb_net_init
(
dec
->
adapter
,
&
dec
->
dvb_net
,
&
dec
->
demux
.
dmx
);
return
0
;
return
0
;
...
@@ -868,6 +899,20 @@ static void ttusb_dec_exit_usb(struct ttusb_dec *dec)
...
@@ -868,6 +899,20 @@ static void ttusb_dec_exit_usb(struct ttusb_dec *dec)
ttusb_dec_free_iso_urbs
(
dec
);
ttusb_dec_free_iso_urbs
(
dec
);
}
}
static
void
ttusb_dec_exit_tasklet
(
struct
ttusb_dec
*
dec
)
{
struct
list_head
*
item
;
struct
urb_frame
*
frame
;
tasklet_kill
(
&
dec
->
urb_tasklet
);
while
((
item
=
dec
->
urb_frame_list
.
next
)
!=
&
dec
->
urb_frame_list
)
{
frame
=
list_entry
(
item
,
struct
urb_frame
,
urb_frame_list
);
list_del
(
&
frame
->
urb_frame_list
);
kfree
(
frame
);
}
}
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
static
void
*
ttusb_dec_probe
(
struct
usb_device
*
udev
,
unsigned
int
ifnum
,
static
void
*
ttusb_dec_probe
(
struct
usb_device
*
udev
,
unsigned
int
ifnum
,
const
struct
usb_device_id
*
id
)
const
struct
usb_device_id
*
id
)
...
@@ -892,6 +937,7 @@ static void *ttusb_dec_probe(struct usb_device *udev, unsigned int ifnum,
...
@@ -892,6 +937,7 @@ static void *ttusb_dec_probe(struct usb_device *udev, unsigned int ifnum,
ttusb_dec_init_stb
(
dec
);
ttusb_dec_init_stb
(
dec
);
ttusb_dec_init_dvb
(
dec
);
ttusb_dec_init_dvb
(
dec
);
ttusb_dec_init_v_pes
(
dec
);
ttusb_dec_init_v_pes
(
dec
);
ttusb_dec_init_tasklet
(
dec
);
return
(
void
*
)
dec
;
return
(
void
*
)
dec
;
}
}
...
@@ -919,6 +965,7 @@ static int ttusb_dec_probe(struct usb_interface *intf,
...
@@ -919,6 +965,7 @@ static int ttusb_dec_probe(struct usb_interface *intf,
ttusb_dec_init_stb
(
dec
);
ttusb_dec_init_stb
(
dec
);
ttusb_dec_init_dvb
(
dec
);
ttusb_dec_init_dvb
(
dec
);
ttusb_dec_init_v_pes
(
dec
);
ttusb_dec_init_v_pes
(
dec
);
ttusb_dec_init_tasklet
(
dec
);
usb_set_intfdata
(
intf
,
(
void
*
)
dec
);
usb_set_intfdata
(
intf
,
(
void
*
)
dec
);
ttusb_dec_set_streaming_interface
(
dec
);
ttusb_dec_set_streaming_interface
(
dec
);
...
@@ -941,6 +988,7 @@ static void ttusb_dec_disconnect(struct usb_interface *intf)
...
@@ -941,6 +988,7 @@ static void ttusb_dec_disconnect(struct usb_interface *intf)
dprintk
(
"%s
\n
"
,
__FUNCTION__
);
dprintk
(
"%s
\n
"
,
__FUNCTION__
);
ttusb_dec_exit_tasklet
(
dec
);
ttusb_dec_exit_usb
(
dec
);
ttusb_dec_exit_usb
(
dec
);
ttusb_dec_exit_dvb
(
dec
);
ttusb_dec_exit_dvb
(
dec
);
...
...
This diff is collapsed.
Click to expand it.
drivers/media/dvb/ttusb-dec/ttusb_dec.h
View file @
34861cdd
...
@@ -22,7 +22,10 @@
...
@@ -22,7 +22,10 @@
#ifndef _TTUSB_DEC_H
#ifndef _TTUSB_DEC_H
#define _TTUSB_DEC_H
#define _TTUSB_DEC_H
#include "asm/semaphore.h"
#include <asm/semaphore.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/spinlock.h>
#include "dmxdev.h"
#include "dmxdev.h"
#include "dvb_demux.h"
#include "dvb_demux.h"
#include "dvb_filter.h"
#include "dvb_filter.h"
...
@@ -77,11 +80,20 @@ struct ttusb_dec {
...
@@ -77,11 +80,20 @@ struct ttusb_dec {
struct
dvb_filter_pes2ts
a_pes2ts
;
struct
dvb_filter_pes2ts
a_pes2ts
;
struct
dvb_filter_pes2ts
v_pes2ts
;
struct
dvb_filter_pes2ts
v_pes2ts
;
struct
semaphore
pes2ts_sem
;
u8
v_pes
[
16
+
MAX_AV_PES_LENGTH
];
u8
v_pes
[
16
+
MAX_AV_PES_LENGTH
];
int
v_pes_length
;
int
v_pes_length
;
int
v_pes_postbytes
;
int
v_pes_postbytes
;
struct
list_head
urb_frame_list
;
struct
tasklet_struct
urb_tasklet
;
spinlock_t
urb_frame_list_lock
;
};
struct
urb_frame
{
u8
data
[
ISO_FRAME_SIZE
];
int
length
;
struct
list_head
urb_frame_list
;
};
};
#endif
#endif
This diff is collapsed.
Click to expand it.
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