isdn: remove hisax driver

With the decline of ISDN, this seems to have become almost completely
obsolete, and even in the past years before that, almost all remaining
users appear to have used mISDN instead.

Birger Harzenetter noted that he is still using i4l/hisax to take
advantage of the 'divert' driver for call diversion, but otherwise uses
mISDN on the same hardware. This is a rare edge case as far as I
can tell, but we are still breaking an actively used work flow
(see https://xkcd.com/1172/).

We debated moving i4l/hisax to staging as an intermediate step, but as
he is not likely to change the setup, and that would just delay breaking
this use case.  The alternatives here are to stay on stable kernels
< 5.2, to create an external driver repository for isdn4linux, or to
add divert functionality to mISDN.

Cc: Birger Harzenetter <WIMPy@yeti.dk>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

1 files changed, 0 insertions, 124 deletions

diff --git a/drivers/isdn/hisax/l3dss1.h b/drivers/isdn/hisax/l3dss1.h
deleted file mode 100644
index a7807e8a94f1..000000000000
--- a/drivers/isdn/hisax/l3dss1.h
+++ /dev/null
@@ -1,124 +0,0 @@
-/* $Id: l3dss1.h,v 1.10.6.2 2001/09/23 22:24:50 kai Exp $
- *
- * DSS1 (Euro) D-channel protocol defines
- *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- *
- */
-
-#ifndef l3dss1_process
-
-#define T302	15000
-#define T303	4000
-#define T304	30000
-#define T305	30000
-#define T308	4000
-/* for layer 1 certification T309 < layer1 T3 (e.g. 4000) */
-/* This makes some tests easier and quicker */
-#define T309	40000
-#define T310	30000
-#define T313	4000
-#define T318	4000
-#define T319	4000
-
-/*
- * Message-Types
- */
-
-#define MT_ALERTING		0x01
-#define MT_CALL_PROCEEDING	0x02
-#define MT_CONNECT		0x07
-#define MT_CONNECT_ACKNOWLEDGE	0x0f
-#define MT_PROGRESS		0x03
-#define MT_SETUP		0x05
-#define MT_SETUP_ACKNOWLEDGE	0x0d
-#define MT_RESUME		0x26
-#define MT_RESUME_ACKNOWLEDGE	0x2e
-#define MT_RESUME_REJECT	0x22
-#define MT_SUSPEND		0x25
-#define MT_SUSPEND_ACKNOWLEDGE	0x2d
-#define MT_SUSPEND_REJECT	0x21
-#define MT_USER_INFORMATION	0x20
-#define MT_DISCONNECT		0x45
-#define MT_RELEASE		0x4d
-#define MT_RELEASE_COMPLETE	0x5a
-#define MT_RESTART		0x46
-#define MT_RESTART_ACKNOWLEDGE	0x4e
-#define MT_SEGMENT		0x60
-#define MT_CONGESTION_CONTROL	0x79
-#define MT_INFORMATION		0x7b
-#define MT_FACILITY		0x62
-#define MT_NOTIFY		0x6e
-#define MT_STATUS		0x7d
-#define MT_STATUS_ENQUIRY	0x75
-
-#define IE_SEGMENT	0x00
-#define IE_BEARER	0x04
-#define IE_CAUSE	0x08
-#define IE_CALL_ID	0x10
-#define IE_CALL_STATE	0x14
-#define IE_CHANNEL_ID	0x18
-#define IE_FACILITY	0x1c
-#define IE_PROGRESS	0x1e
-#define IE_NET_FAC	0x20
-#define IE_NOTIFY	0x27
-#define IE_DISPLAY	0x28
-#define IE_DATE		0x29
-#define IE_KEYPAD	0x2c
-#define IE_SIGNAL	0x34
-#define IE_INFORATE	0x40
-#define IE_E2E_TDELAY	0x42
-#define IE_TDELAY_SEL	0x43
-#define IE_PACK_BINPARA	0x44
-#define IE_PACK_WINSIZE	0x45
-#define IE_PACK_SIZE	0x46
-#define IE_CUG		0x47
-#define	IE_REV_CHARGE	0x4a
-#define IE_CONNECT_PN	0x4c
-#define IE_CONNECT_SUB	0x4d
-#define IE_CALLING_PN	0x6c
-#define IE_CALLING_SUB	0x6d
-#define IE_CALLED_PN	0x70
-#define IE_CALLED_SUB	0x71
-#define IE_REDIR_NR	0x74
-#define IE_TRANS_SEL	0x78
-#define IE_RESTART_IND	0x79
-#define IE_LLC		0x7c
-#define IE_HLC		0x7d
-#define IE_USER_USER	0x7e
-#define IE_ESCAPE	0x7f
-#define IE_SHIFT	0x90
-#define IE_MORE_DATA	0xa0
-#define IE_COMPLETE	0xa1
-#define IE_CONGESTION	0xb0
-#define IE_REPEAT	0xd0
-
-#define IE_MANDATORY	0x0100
-/* mandatory not in every case */
-#define IE_MANDATORY_1	0x0200
-
-#define ERR_IE_COMPREHENSION	 1
-#define ERR_IE_UNRECOGNIZED	-1
-#define ERR_IE_LENGTH		-2
-#define ERR_IE_SEQUENCE		-3
-
-#else /* only l3dss1_process */
-
-/* l3dss1 specific data in l3 process */
-typedef struct
-{ unsigned char invoke_id; /* used invoke id in remote ops, 0 = not active */
-	ulong ll_id; /* remebered ll id */
-	u8 remote_operation; /* handled remote operation, 0 = not active */
-	int proc; /* rememered procedure */
-	ulong remote_result; /* result of remote operation for statcallb */
-	char uus1_data[35]; /* data send during alerting or disconnect */
-} dss1_proc_priv;
-
-/* l3dss1 specific data in protocol stack */
-typedef struct
-{ unsigned char last_invoke_id; /* last used value for invoking */
-	unsigned char invoke_used[32]; /* 256 bits for 256 values */
-} dss1_stk_priv;
-
-#endif /* only l3dss1_process */