Commit Graph

117 Commits

Author SHA1 Message Date
Cong Ding 4880f56438 [media] stv0900: remove unnecessary null pointer check
The address of a variable is impossible to be null, so we remove the check.

Signed-off-by: Cong Ding <dinggnu@gmail.com>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-02-08 18:05:48 -02:00
Peter Senna Tschudin 7b34be71db [media] use IS_ENABLED() macro
This patch introduces the use of IS_ENABLED() macro. For example,
replacing:
 #if defined(CONFIG_I2C) || (defined(CONFIG_I2C_MODULE) && defined(MODULE))
with:
 #if IS_ENABLED(CONFIG_I2C)
All changes made by this patch respect the same replacement pattern.

Reported-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Acked-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-02-06 09:24:09 -02:00
Andreas Regel 6b9e50c463 [media] stv090x: On STV0903 do not set registers of the second path
Sometimes there is a problem when trying to access the non-existing registers
of the second demodulator path on the STV0903.

This change removes the calls in case the driver is used on a STV0903.

Signed-off-by: Andreas Regel <andreas.regel@gmx.de>
Acked-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-01-24 18:31:00 -02:00
Mauro Carvalho Chehab f67102c49a [media] mb86a20s: remove global BER/PER counters if per-layer counters vanish
If, for any reason, all per-layers counters stop, remove the
corresponding global counter.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-01-24 14:28:32 -02:00
Mauro Carvalho Chehab d9b6f08a7f [media] mb86a20s: add a logic for post-BER measurement
The logic here is similar to the preBER.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-01-24 14:28:14 -02:00
Mauro Carvalho Chehab 313cf4efa4 [media] mb86a20s: fix the PER reset logic
The logic that resets the device is wrong. It should be resetting
just the layer that got read. Also, stop is needed before updating
the counters.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-01-24 14:27:16 -02:00
Mauro Carvalho Chehab ad0abbf118 [media] mb86a20s: some fixes at preBER logic
The logic that resets the device is wrong. It should be resetting
just the layer that got read. Also, stop is needed before updating
the counters.
While there, rename it, as we'll soon introduce a postBER logic
there.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-01-24 14:26:55 -02:00
Mauro Carvalho Chehab 593ae89a3f [media] mb86a20s: add block count measures (PER/UCB)
Add both per-layer and global block error count and block count,
for PER and UCB measurements.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-01-24 14:24:59 -02:00
Mauro Carvalho Chehab 25188bd0e6 [media] mb86a20s: add CNR measurement
Add Signal/Noise ratio measurement. On this device, a global measure
is taken by the demod. It also provides per-layer CNR measurements,
based on Modulation Error measures (MER).

Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-01-23 19:10:49 -02:00
Mauro Carvalho Chehab d01a8ee37a [media] mb86a20s: improve bit error count for BER
Do a better job on setting the bit error counters, in order to
have all layer measures to happen in a little less than one
second.

Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-01-23 19:10:42 -02:00
Mauro Carvalho Chehab 149d518ad0 [media] mb86a20s: add BER measurement
Add the methods to read bit error/bit count measurements from
mb86a20s. On ISDB-T devices, those reads are done per layer.
However, as userspace applications may not be aware of that,
add a global measure that will sum the bit errors and bit
counts for each layer, storing them into a global value.

Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-01-23 19:10:35 -02:00
Mauro Carvalho Chehab 09b6d21e10 [media] mb86a20s: calculate statistics at .read_status()
Instead of providing separate callbacks to read the several FE
stats properties, the better seems to use just one method that will:
    - Read lock status;
    - Read signal strength;
    - if locked, get TMCC data;
    - if locked, get DVB statistics.
As the DVB frontend thread will call this read_status callback
on every 3 seconds, and userspace can even call it earlier,
all stats data and layers layout will be updated together if
available, with is a good thing.

Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-01-23 19:10:27 -02:00
Mauro Carvalho Chehab f167e302c6 [media] mb86a20s: don't use state before initializing it
As reported by Feng's kbuild test:
	From: kbuild test robot <fengguang.wu@intel.com>
	Subject: drivers/media/dvb-frontends/mb86a20s.c:706 mb86a20s_attach() error: potential null dereference 'state'.  (kzalloc returns null)
	Date: Wed, 23 Jan 2013 19:30:43 +0800

	commit: f66d81b54d [media] mb86a20s: convert it to use dev_info/dev_err/dev_dbg

	drivers/media/dvb-frontends/mb86a20s.c:706 mb86a20s_attach() error: potential null dereference 'state'.  (kzalloc returns null)
	drivers/media/dvb-frontends/mb86a20s.c:706 mb86a20s_attach() error: we previously assumed 'state' could be null (see line 705)

As, at mb86a20s_attach(), we have an i2c pointer, use it for all printk
messages there, instead of state->i2c.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-01-23 13:22:22 -02:00
Mauro Carvalho Chehab f66d81b54d [media] mb86a20s: convert it to use dev_info/dev_err/dev_dbg
Instead of having its own set of macros, use the Kernel default
ones for debug, error and info.

While here, do some cleanup on the debug printk's.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-01-22 09:13:08 -02:00
Mauro Carvalho Chehab dd4493ef34 [media] mb86a20s: Function reorder
Reorder functions to have everything related to stats/status read
close. That will make the file more organized as other stats
routines will be added.

No functional changes.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-01-22 08:53:11 -02:00
Mauro Carvalho Chehab d36e418a7b [media] mb86a20s: Split status read logic from DVB callback
Split the logic that reads the status from the DVB callback. That
helps to properly return an error code, if status read fails.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-01-22 08:49:39 -02:00
Mauro Carvalho Chehab 04585921ac [media] mb86a20s: fix interleaving and FEC retrival
Get the proper bits from the TMCC table registers.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-01-22 08:17:38 -02:00
Mauro Carvalho Chehab ce77d120ed [media] mb86a20s: make AGC work better
It is recommented to change register 0x0440 value to 0, in order
to fix some AGC bug.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-01-22 08:14:03 -02:00
Mauro Carvalho Chehab fd53744efe [media] mb86a20s: Fix i2c gate on error
If an error happens, restore tuner I2C gate to the right
value.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-01-22 08:12:31 -02:00
Mauro Carvalho Chehab a77cfcac79 [media] mb86a20s: improve error handling at get_frontend
The read/write errors are not handled well on get_frontend. Fix it,
by letting the frontend cached values to represent the DVB properties
that were successfully retrieved.
While here, use "c" for dtv_frontend_properties cache, instead of
"p", as this is more common.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-01-22 08:10:52 -02:00
Evgeny Plehov 73ec66c000 [media] stv0900: Multistream support
Multistream support for stv0900. For Netup Dual S2 CI with STV0900BAC/AAC.

Signed-off-by: Evgeny Plehov <EvgenyPlehov@ukr.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-01-06 11:08:44 -02:00
Malcolm Priestley a0a030bdbe [media] ts2020: call get_rf_strength from frontend
Restore ds3000.c read_signal_strength.
Call tuner get_rf_strength from frontend read_signal_strength.
We are able to do a NULL check and doesn't limit the tuner
attach to the frontend attach area.
At the moment the lmedm04 tuner attach is stuck in frontend
attach area.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-01-06 10:49:38 -02:00
Malcolm Priestley 9898df6482 [media] ts2020.c: ts2020_set_params [BUG] point to fe->tuner_priv
Fixes corruption of fe->demodulator_priv

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-01-06 10:43:46 -02:00
Antti Palosaari 864c714392 [media] af9033: update fc2580 init sequence
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-01-06 09:10:12 -02:00
Antti Palosaari 0353d6b1cd [media] af9033: update fc0011 init sequence
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-01-06 09:10:02 -02:00
Antti Palosaari 2c37d37fc6 [media] af9033: update tua9001 init sequence
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-01-06 09:09:46 -02:00
Antti Palosaari d267d27091 [media] af9033: update demod init sequence
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-01-06 09:09:24 -02:00
Antti Palosaari bf97b6373b [media] af9035: dual mode related changes
Various small changes and fixes releated to dual mode.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-01-06 09:04:17 -02:00
Jose Alberto Reguero 9805992ffc [media] af9035: dual mode support
Adds initial support for af9035 dual mode designs.

Signed-off-by: Jose Alberto Reguero <jareguero@telefonica.net>
[crope@iki.fi: fix merge conflict]
Signed-off-by: Antti Palosaari <crope@iki.fi>

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-01-06 09:03:00 -02:00
Antti Palosaari e713ad1549 [media] af9033: add support for Fitipower FC0012 tuner
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-01-06 08:58:14 -02:00
Igor M. Liplianin b858c331cd [media] m88rs2000: make use ts2020
Tuner part of Montage rs2000 chip is similar to ts2020 tuner.
Patch to use ts2020 code.

[mchehab@redhat.com: a few CodingStyle fixes]
Signed-off-by: Igor M. Liplianin <liplianin@me.by>

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-12-28 21:37:36 -02:00
Igor M. Liplianin 43385c8a64 [media] ds3000: lock led procedure added
TeVii s660 and others have LED for lock indication.
Let's use it in right order.

Signed-off-by: Igor M. Liplianin <liplianin@me.by>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-12-28 21:30:29 -02:00
Igor M. Liplianin 38f7889cea [media] m88rs2000: SNR, BER implemented
Trivial patch to implement SNR, BER, UCB counter for Montage rs2000 demod.

Signed-off-by: Igor M. Liplianin <liplianin@me.by>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-12-28 21:29:42 -02:00
Igor M. Liplianin 081416e62d [media] TeVii DVB-S s421 and s632 cards support, rs2000 part
One register needs to be changed to TS to work. So we use separate inittab.

Signed-off-by: Igor M. Liplianin <liplianin@me.by>
Acked-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-12-27 20:23:26 -02:00
Rémi Cardona d58f4f2728 [media] ds3000: bail out early on i2c failures during firmware load
- if kmalloc() returns NULL, we can return immediately without trying
   to kfree() a NULL pointer.
 - if i2c_transfer() fails, error out immediately instead of trying to
   upload the remaining bytes of the firmware.
 - the error code is then properly propagated down to ds3000_initfe().

Signed-off-by: Rémi Cardona <remi.cardona@smartjog.com>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-12-27 19:43:46 -02:00
Mauro Carvalho Chehab f8c30b6f3b [media] ts2020: fix two warnings added by changeset 73f0af4
drivers/media/dvb-frontends/ts2020.c: In function 'ts2020_set_params':
drivers/media/dvb-frontends/ts2020.c:126:47: warning: variable 'div4' set but not used [-Wunused-but-set-variable]
drivers/media/dvb-frontends/ts2020.c: At top level:
drivers/media/dvb-frontends/ts2020.c:262:5: warning: no previous prototype for 'ts2020_get_signal_strength' [-Wmissing-prototypes]

Cc: Konstantin Dimitrov <kosio.dimitrov@gmail.com>
Cc: Igor M. Liplianin <liplianin@me.by>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-12-27 19:36:27 -02:00
Konstantin Dimitrov 73f0af44a9 [media] make the other drivers take use of the new ts2020 driver
make the other drivers take use of the separate ts2020 driver

Signed-off-by: Konstantin Dimitrov <kosio.dimitrov@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-12-27 19:27:15 -02:00
Konstantin Dimitrov 6fef4fc71e [media] ts2020: add ts2020 tuner driver
add separate ts2020 tuner driver

Signed-off-by: Konstantin Dimitrov <kosio.dimitrov@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-12-27 19:26:58 -02:00
Konstantin Dimitrov c1965eae65 [media] ds3000: remove ts2020 tuner related code
remove ts2020 tuner related code from ds3000 driver
prepare ds3000 driver for using external tuner driver

Signed-off-by: Konstantin Dimitrov <kosio.dimitrov@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-12-27 19:26:09 -02:00
Ezequiel Garcia ee45ddc1e0 [media] dvb-frontends: Replace memcpy with struct assignment
This kind of memcpy() is error-prone. Its replacement with a struct
assignment is prefered because it's type-safe and much easier to read.
Found by coccinelle. Hand patched and reviewed.
Tested by compilation only.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
identifier struct_name;
struct struct_name to;
struct struct_name from;
expression E;
@@
-memcpy(&(to), &(from), E);
+to = from;
// </smpl>

Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Ezequiel Garcia <elezegarcia@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-12-27 19:03:15 -02:00
Patrice Chotard e7c953d280 [media] drxd: allow functional gate control after, attach
Previously, gate control didn't work until drxd_init()
execution. Migrate necessary set of commands in drxd_attach
to allow gate control to be used by tuner which are
accessible through i2c gate.

Reported-by: frederic.mantegazza@gbiloba.org
Signed-off-by: Patrice Chotard <patricechotard@free.fr>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-12-27 18:19:26 -02:00
Mauro Carvalho Chehab a44dca1717 Linux 3.8-rc1
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Merge tag 'v3.8-rc1' into staging/for_v3.9

Linux 3.8-rc1

* tag 'v3.8-rc1': (10696 commits)
  Linux 3.8-rc1
  Revert "nfsd: warn on odd reply state in nfsd_vfs_read"
  ARM: dts: fix duplicated build target and alphabetical sort out for exynos
  dm stripe: add WRITE SAME support
  dm: remove map_info
  dm snapshot: do not use map_context
  dm thin: dont use map_context
  dm raid1: dont use map_context
  dm flakey: dont use map_context
  dm raid1: rename read_record to bio_record
  dm: move target request nr to dm_target_io
  dm snapshot: use per_bio_data
  dm verity: use per_bio_data
  dm raid1: use per_bio_data
  dm: introduce per_bio_data
  dm kcopyd: add WRITE SAME support to dm_kcopyd_zero
  dm linear: add WRITE SAME support
  dm: add WRITE SAME support
  dm: prepare to support WRITE SAME
  dm ioctl: use kmalloc if possible
  ...

Conflicts:
	MAINTAINERS
2012-12-27 12:44:11 -02:00
Paul Bolle cb31c74875 [media] budget-av: only use t_state if initialized
Building budget-av.o triggers this GCC warning:
    In file included from drivers/media/pci/ttpci/budget-av.c:44:0:
    drivers/media/dvb-frontends/tda8261_cfg.h: In function ‘tda8261_get_bandwidth’:
    drivers/media/dvb-frontends/tda8261_cfg.h:68:21: warning: ‘t_state.bandwidth’ may be used uninitialized in this function [-Wuninitialized]
Move the printk() that uses t_state.bandwith to the location where it
should be initialized to fix this.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-12-21 18:25:11 -02:00
Mauro Carvalho Chehab 1c12bf8de7 [media] tda10071: fix a warning introduced by changeset 41f55d5755
The two new tests don't set the returned value.

Cc: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-12-21 14:43:41 -02:00
Michael Krufky 41f55d5755 [media] tda10071: make sure both tuner and demod i2c addresses are specified
display an error message if either tuner_i2c_addr or demod_i2c_addr
are not specified in the tda10071_config structure

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-12-21 14:36:54 -02:00
Andy Shevchenko bb9e31f392 [media] or51211: apply pr_fmt and use pr_* macros instead of printk
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-12-21 14:30:19 -02:00
Andy Shevchenko aa735ee9dd [media] ix2505v: use %*ph[N] to dump small buffers
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-12-21 14:27:02 -02:00
Andy Shevchenko 870f31cbf0 [media] or51211: use %*ph[N] to dump small buffers
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-12-21 14:26:28 -02:00
Michael Krufky 0176fd4d25 [media] tda10071: add tuner_i2c_addr to struct tda10071_config
The default i2c address for the tuner is 0x14,
allow this to be overridden with a configuration parameter

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-12-18 17:04:55 -02:00
Linus Torvalds d8c532c407 Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:

 - Missing MAINTAINERS entries were added for several drivers

 - Adds V4L2 support for DMABUF handling, allowing zero-copy buffer
   sharing between V4L2 devices and GPU

 - Got rid of all warnings when compiling with W=1 on x86

 - Add a new driver for Exynos hardware (s3c-camif)

 - Several bug fixes, cleanups and driver improvements

* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (243 commits)
  [media] omap3isp: Replace cpu_is_omap3630() with ISP revision check
  [media] omap3isp: Prepare/unprepare clocks before/after enable/disable
  [media] omap3isp: preview: Add support for 8-bit formats at the sink pad
  [media] omap3isp: Replace printk with dev_*
  [media] omap3isp: Find source pad from external entity
  [media] omap3isp: Configure CSI-2 phy based on platform data
  [media] omap3isp: Add PHY routing configuration
  [media] omap3isp: Add CSI configuration registers from control block to ISP resources
  [media] omap3isp: Remove unneeded module memory address definitions
  [media] omap3isp: Use monotonic timestamps for statistics buffers
  [media] uvcvideo: Fix control value clamping for unsigned integer controls
  [media] uvcvideo: Mark first output terminal as default video node
  [media] uvcvideo: Add VIDIOC_[GS]_PRIORITY support
  [media] uvcvideo: Return -ENOTTY for unsupported ioctls
  [media] uvcvideo: Set device_caps in VIDIOC_QUERYCAP
  [media] uvcvideo: Don't fail when an unsupported format is requested
  [media] uvcvideo: Return -EACCES when trying to access a read/write-only control
  [media] uvcvideo: Set error_idx properly for extended controls API failures
  [media] rtl28xxu: add NOXON DAB/DAB+ USB dongle rev 2
  [media] fc2580: write some registers conditionally
  ...
2012-12-13 19:22:22 -08:00