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gigaset: add Kernel CAPI interface (v3) 

Add a Kernel CAPI interface to the Gigaset driver.

Impact: optional new functionality
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tilman Schmidt 2009-10-06 12:19:17 +00:00 committed by David S. Miller
parent aaba2b3f82
commit 7bb5fdc2fb
7 changed files with 2355 additions and 28 deletions
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34
Documentation/isdn/README.gigaset
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@ -5,7 +5,7 @@ GigaSet 307x Device Driver
------------
1.1. Hardware
--------
This release supports the connection of the Gigaset 307x/417x family of
This driver supports the connection of the Gigaset 307x/417x family of
ISDN DECT bases via Gigaset M101 Data, Gigaset M105 Data or direct USB
connection. The following devices are reported to be compatible:
@ -33,7 +33,7 @@ GigaSet 307x Device Driver
http://gigaset307x.sourceforge.net/
We had also reports from users of Gigaset M105 who could use the drivers
with SX 100 and CX 100 ISDN bases (only in unimodem mode, see section 2.4.)
with SX 100 and CX 100 ISDN bases (only in unimodem mode, see section 2.5.)
If you have another device that works with our driver, please let us know.
Chances of getting an USB device to work are good if the output of
@ -49,7 +49,7 @@ GigaSet 307x Device Driver
--------
The driver works with ISDN4linux and so can be used with any software
which is able to use ISDN4linux for ISDN connections (voice or data).
CAPI4Linux support is planned but not yet available.
Experimental Kernel CAPI support is available as a compilation option.
There are some user space tools available at
http://sourceforge.net/projects/gigaset307x/
@ -102,20 +102,28 @@ GigaSet 307x Device Driver
2.3. ISDN4linux
----------
This is the "normal" mode of operation. After loading the module you can
set up the ISDN system just as you'd do with any ISDN card.
Your distribution should provide some configuration utility.
If not, you can use some HOWTOs like
set up the ISDN system just as you'd do with any ISDN card supported by
the ISDN4Linux subsystem. Most distributions provide some configuration
utility. If not, you can use some HOWTOs like
http://www.linuxhaven.de/dlhp/HOWTO/DE-ISDN-HOWTO-5.html
If this doesn't work, because you have some recent device like SX100 where
If this doesn't work, because you have some device like SX100 where
debug output (see section 3.2.) shows something like this when dialing
CMD Received: ERROR
Available Params: 0
Connection State: 0, Response: -1
gigaset_process_response: resp_code -1 in ConState 0 !
Timeout occurred
you might need to use unimodem mode:
you might need to use unimodem mode. (see section 2.5.)
2.4. Unimodem mode
2.4. CAPI
----
If the driver is compiled with CAPI support (kernel configuration option
GIGASET_CAPI, experimental) it can also be used with CAPI 2.0 kernel and
user space applications. ISDN4Linux is supported in this configuration
via the capidrv compatibility driver. The kernel module capidrv.ko must
be loaded explicitly ("modprobe capidrv") if needed.
2.5. Unimodem mode
-------------
This is needed for some devices [e.g. SX100] as they have problems with
the "normal" commands.
@ -160,7 +168,7 @@ GigaSet 307x Device Driver
configuration file like /etc/modprobe.conf.local,
using that should be preferred.
2.5. Call-ID (CID) mode
2.6. Call-ID (CID) mode
------------------
Call-IDs are numbers used to tag commands to, and responses from, the
Gigaset base in order to support the simultaneous handling of multiple
@ -188,7 +196,7 @@ GigaSet 307x Device Driver
You can also use /sys/class/tty/ttyGxy/cidmode for changing the CID mode
setting (ttyGxy is ttyGU0 or ttyGB0).
2.6. Unregistered Wireless Devices (M101/M105)
2.7. Unregistered Wireless Devices (M101/M105)
-----------------------------------------
The main purpose of the ser_gigaset and usb_gigaset drivers is to allow
the M101 and M105 wireless devices to be used as ISDN devices for ISDN
@ -228,7 +236,7 @@ GigaSet 307x Device Driver
You have two or more DECT data adapters (M101/M105) and only the
first one you turn on works.
Solution:
Select Unimodem mode for all DECT data adapters. (see section 2.4.)
Select Unimodem mode for all DECT data adapters. (see section 2.5.)
Problem:
Messages like this:
@ -236,7 +244,7 @@ GigaSet 307x Device Driver
appear in your syslog.
Solution:
Check whether your M10x wireless device is correctly registered to the
Gigaset base. (see section 2.6.)
Gigaset base. (see section 2.7.)
3.2. Telling the driver to provide more information
----------------------------------------------

18
drivers/isdn/gigaset/Kconfig
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@ -10,20 +10,32 @@ menuconfig ISDN_DRV_GIGASET
If you have one of these devices, say M here and for at least
one of the connection specific parts that follow.
This will build a module called "gigaset".
Note: If you build the ISDN4Linux subsystem (ISDN_I4L)
Note: If you build your ISDN subsystem (ISDN_CAPI or ISDN_I4L)
as a module, you have to build this driver as a module too,
otherwise the Gigaset device won't show up as an ISDN device.
if ISDN_DRV_GIGASET
config GIGASET_CAPI
bool "Gigaset CAPI support (EXPERIMENTAL)"
depends on EXPERIMENTAL
depends on ISDN_CAPI='y'||(ISDN_CAPI='m'&&ISDN_DRV_GIGASET='m')
default ISDN_I4L='n'
help
Build the Gigaset driver as a CAPI 2.0 driver interfacing with
the Kernel CAPI subsystem. To use it with the old ISDN4Linux
subsystem you'll have to enable the capidrv glue driver.
(select ISDN_CAPI_CAPIDRV.)
Say N to build the old native ISDN4Linux variant.
config GIGASET_I4L
bool
depends on ISDN_I4L='y'||(ISDN_I4L='m'&&ISDN_DRV_GIGASET='m')
default y
default !GIGASET_CAPI
config GIGASET_DUMMYLL
bool
default !GIGASET_I4L
default !GIGASET_CAPI&&!GIGASET_I4L
config GIGASET_BASE
tristate "Gigaset base station support"

1
drivers/isdn/gigaset/Makefile
View File

@ -1,4 +1,5 @@
gigaset-y := common.o interface.o proc.o ev-layer.o asyncdata.o
gigaset-$(CONFIG_GIGASET_CAPI) += capi.o
gigaset-$(CONFIG_GIGASET_I4L) += i4l.o
gigaset-$(CONFIG_GIGASET_DUMMYLL) += dummyll.o
usb_gigaset-y := usb-gigaset.o

2273
drivers/isdn/gigaset/capi.c Normal file
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File diff suppressed because it is too large Load Diff

26
drivers/isdn/gigaset/common.c
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@ -207,6 +207,32 @@ int gigaset_get_channel(struct bc_state *bcs)
return 1;
}
struct bc_state *gigaset_get_free_channel(struct cardstate *cs)
{
unsigned long flags;
int i;
spin_lock_irqsave(&cs->lock, flags);
if (!try_module_get(cs->driver->owner)) {
gig_dbg(DEBUG_ANY,
"could not get module for allocating channel");
spin_unlock_irqrestore(&cs->lock, flags);
return NULL;
}
for (i = 0; i < cs->channels; ++i)
if (!cs->bcs[i].use_count) {
++cs->bcs[i].use_count;
cs->bcs[i].busy = 1;
spin_unlock_irqrestore(&cs->lock, flags);
gig_dbg(DEBUG_ANY, "allocated channel %d", i);
return cs->bcs + i;
}
module_put(cs->driver->owner);
spin_unlock_irqrestore(&cs->lock, flags);
gig_dbg(DEBUG_ANY, "no free channel");
return NULL;
}
void gigaset_free_channel(struct bc_state *bcs)
{
unsigned long flags;

24
drivers/isdn/gigaset/ev-layer.c
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@ -291,21 +291,23 @@ struct reply_t gigaset_tab_cid[] =
{RSP_OK, 602,602, -1, 603, 5, {ACT_CMD+AT_PROTO}},
{RSP_OK, 603,603, -1, 604, 5, {ACT_CMD+AT_TYPE}},
{RSP_OK, 604,604, -1, 605, 5, {ACT_CMD+AT_MSN}},
{RSP_OK, 605,605, -1, 606, 5, {ACT_CMD+AT_ISO}},
{RSP_NULL, 605,605, -1, 606, 5, {ACT_CMD+AT_ISO}},
{RSP_OK, 606,606, -1, 607, 5, {0}, "+VLS=17\r"},
{RSP_OK, 607,607, -1, 608,-1},
{RSP_ZSAU, 608,608,ZSAU_PROCEEDING, 609, 5, {ACT_CMD+AT_DIAL}},
{RSP_OK, 609,609, -1, 650, 0, {ACT_DIALING}},
{RSP_NULL, 605, 605, -1, 606, 5, {ACT_CMD+AT_CLIP} },
{RSP_OK, 605, 605, -1, 606, 5, {ACT_CMD+AT_CLIP} },
{RSP_NULL, 606, 606, -1, 607, 5, {ACT_CMD+AT_ISO} },
{RSP_OK, 606, 606, -1, 607, 5, {ACT_CMD+AT_ISO} },
{RSP_OK, 607, 607, -1, 608, 5, {0}, "+VLS=17\r"},
{RSP_OK, 608, 608, -1, 609, -1},
{RSP_ZSAU, 609, 609, ZSAU_PROCEEDING, 610, 5, {ACT_CMD+AT_DIAL} },
{RSP_OK, 610, 610, -1, 650, 0, {ACT_DIALING} },
{RSP_ERROR, 601,609, -1, 0, 0, {ACT_ABORTDIAL}},
{EV_TIMEOUT, 601,609, -1, 0, 0, {ACT_ABORTDIAL}},
{RSP_ERROR, 601, 610, -1, 0, 0, {ACT_ABORTDIAL} },
{EV_TIMEOUT, 601, 610, -1, 0, 0, {ACT_ABORTDIAL} },
/* optional dialing responses */
{EV_BC_OPEN, 650,650, -1, 651,-1},
{RSP_ZVLS, 608,651, 17, -1,-1, {ACT_DEBUG}},
{RSP_ZCTP, 609,651, -1, -1,-1, {ACT_DEBUG}},
{RSP_ZCPN, 609,651, -1, -1,-1, {ACT_DEBUG}},
{RSP_ZVLS, 609, 651, 17, -1, -1, {ACT_DEBUG} },
{RSP_ZCTP, 610, 651, -1, -1, -1, {ACT_DEBUG} },
{RSP_ZCPN, 610, 651, -1, -1, -1, {ACT_DEBUG} },
{RSP_ZSAU, 650,651,ZSAU_CALL_DELIVERED, -1,-1, {ACT_DEBUG}},
/* connect */

7
drivers/isdn/gigaset/gigaset.h
View File

@ -191,7 +191,9 @@ void gigaset_dbg_buffer(enum debuglevel level, const unsigned char *msg,
#define AT_PROTO 4
#define AT_TYPE 5
#define AT_HLC 6
#define AT_NUM 7
#define AT_CLIP 7
/* total number */
#define AT_NUM 8
/* variables in struct at_state_t */
#define VAR_ZSAU 0
@ -412,6 +414,8 @@ struct bc_state {
struct usb_bc_state *usb; /* usb hardware driver (m105) */
struct bas_bc_state *bas; /* usb hardware driver (base) */
} hw;
void *ap; /* LL application structure */
};
struct cardstate {
@ -725,6 +729,7 @@ void gigaset_bcs_reinit(struct bc_state *bcs);
void gigaset_at_init(struct at_state_t *at_state, struct bc_state *bcs,
struct cardstate *cs, int cid);
int gigaset_get_channel(struct bc_state *bcs);
struct bc_state *gigaset_get_free_channel(struct cardstate *cs);
void gigaset_free_channel(struct bc_state *bcs);
int gigaset_get_channels(struct cardstate *cs);
void gigaset_free_channels(struct cardstate *cs);