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8 Commits

Author SHA1 Message Date
Karsten Keil db9bb63a1b mISDN: Add XHFC support for embedded Speech-Design board to hfcmulti
New version without emulating arch specific stuff for the other
architectures, the special IO and init functions for the 8xx
microcontroller are in a separate include file.

Signed-off-by: Andreas Eversberg <andreas@eversberg.eu>
Signed-off-by: Karsten Keil <keil@b1-systems.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-25 00:55:30 -07:00
Andreas Eversberg 7cfa153dd7 mISDN: Echo canceler now gets delay information from hardware
Added tx-fifo information for calculation of current delay to sync tx and rx
streams for echo canceler.

Signed-off-by: Andreas Eversberg <andreas@eversberg.eu>
Signed-off-by: Karsten Keil <keil@b1-systems.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-25 00:51:31 -07:00
Andreas Eversberg 7df3bb8f59 mISDN: Add watchdog functionality to hfcmulti driver
This patch was made by Titus Moldovan and provides IOCTL functions for enabling
and disabling the controller's built in watchdog. The use is optional.

Signed-off-by: Andreas Eversberg <andreas@eversberg.eu>
Signed-off-by: Karsten Keil <keil@b1-systems.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-25 00:51:18 -07:00
Andreas Eversberg 3bd69ad197 mISDN: Add ISDN sample clock API to mISDN core
Add ISDN sample clock API to mISDN core (new file clock.c)
hfcmulti and mISDNdsp use clock API.

Signed-off-by: Andreas Eversberg <andreas@eversberg.eu>
Signed-off-by: Karsten Keil <kkeil@suse.de>
2009-01-09 22:44:27 +01:00
Andreas Eversberg 8dd2f36f31 mISDN: Add feature via MISDN_CTRL_FILL_EMPTY to fill fifo if empty
This prevents underrun of fifo when filled and in case of an underrun it
prevents subsequent underruns due to jitter.
Improve dsp, so buffers are kept filled with a certain delay, so moderate
jitter will not cause underrun all the time -> the audio quality is highly
improved. tones are not interrupted by gaps anymore, except when CPU is
stalling or in high load.

Signed-off-by: Andreas Eversberg <andreas@eversberg.eu>
Signed-off-by: Karsten Keil <kkeil@suse.de>
2009-01-09 22:44:22 +01:00
Karsten Keil 69e656cc16 mISDN: Cleanup hfc multiport driver
Remove references to external zaptel modules and some
cosmetic cleanups.

Signed-off-by: Karsten Keil <kkeil@suse.de>
2009-01-09 22:44:22 +01:00
Hannes Eder c31655fcf2 mISDN: hfcmulti: use __iomem address space modifier
Impact: make use of the __iomem address space modifier, and change u_char *,
u_short * and u_int * to void *

Fix more than 30 sparse warnings of this or similar type:

  drivers/isdn/hardware/mISDN/hfcmulti.c:261:31: warning: incorrect type in argument 2 (different address spaces)
  drivers/isdn/hardware/mISDN/hfcmulti.c:261:31:    got unsigned char [usertype] *
  drivers/isdn/hardware/mISDN/hfcmulti.c:261:31:    expected void volatile [noderef] <asn:2>*addr

Signed-off-by: Hannes Eder <hannes@hanneseder.net>
Acked-by: Karsten Keil <kkeil@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-12 21:20:03 -08:00
Karsten Keil af69fb3a8f Add mISDN HFC multiport driver
Enable support for cards with Cologne Chip AG's HFC multiport
chip.

Signed-off-by: Karsten Keil <kkeil@suse.de>
2008-07-27 02:00:43 +02:00