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On exynos5433 variant JPEG data is parsed by hardware only from SOS
marker, so subsampling is parsed by software. As such, its value need
not to be translated from hardware-specific encoding to V4L2 encoding.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The value to be processed must be first masked and then shifted,
not the other way round.
Fixes: 6c96dbbc2aa9f5b4a ("[media] s5p-jpeg: add support for 5433")
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Bits EXYNOS4_DEC_MODE and EXYNOS4_ENC_MODE do not get cleared
on software reset. These bits need to be cleared explicitly.
Even though the bits in question are already cleared in interrupt
service routine, the reset should also clear them in case when
e.g. bootloader uses the codec and leaves it in a bad state.
[Updated commit message]
Signed-off-by: Tony K Nadackal <tony.kn@samsung.com>
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Clearing the bits turns off the encoder/decoder. If the hardware
is not turned off after use, at subsequent uses it does not work
in a stable manner, resulting in incorrect interrupt status value
being read and e.g. erroneous read of compressed bitstream size.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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In case of corrupt images, multiple interrupts may occur
due to different error scenarios.
Since we are removing the src and dest buffers in the first
interrupt itself, crash occurs in the second error interrupts.
Disable the global interrupt before we start processing
the interrupt to avoid the crash.
Disable System interrupt in isr to avoid the crash below.
Unable to handle kernel NULL pointer dereference at virtual address 000000c8
pgd = ffffffc0007db000
[000000c8] *pgd=00000000fb006003, *pud=00000000fb006003, *pmd=00000000fb007003, *pte=0060000011001707
Internal error: Oops: 96000007 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.18.0-next-20141210+ #22
Hardware name: Samsung Exynos7 Espresso board based on EXYNOS7 (DT)
task: ffffffc00075e5c0 ti: ffffffc00074c000 task.ti: ffffffc00074c000
PC is at exynos4_jpeg_irq+0x30/0x15c
LR is at exynos4_jpeg_irq+0x2c/0x15c
pc : [<ffffffc00040873c>] lr : [<ffffffc000408738>] pstate: 800001c5
sp : ffffffc00074fc60
x29: ffffffc00074fc60 x28: 0000004040000000
x27: ffffffc000673928 x26: ffffffc000673940
x25: ffffffc0007a030c x24: ffffffc0bb20a400
x23: 0000000000000030 x22: ffffffc0ba56ba40
x21: 0000000000000000 x20: 0000000000000000
x19: ffffffc0ba56ba18 x18: 0000000000000000
x17: 0000000000000000 x16: ffffffc00018b508
x15: 0000000000000000 x14: 0000000000000000
x13: 0098968000000000 x12: 0000000000989680
x11: 0000000000000004 x10: 0101010101010101
x9 : 00000020a285a9ea x8 : ffffffc0007af880
x7 : ffffffc0bac001a8 x6 : ffffffc0bac00000
x5 : 00000000fffffffa x4 : ffffffc00040870c
x3 : 0000000000000003 x2 : 0000000000010003
x1 : 0000000000010002 x0 : 0000000000000000
Process swapper/0 (pid: 0, stack limit = 0xffffffc00074c058)
Stack: (0xffffffc00074fc60 to 0xffffffc000750000)
fc60: 0074fca0 ffffffc0 000e4508 ffffffc0 bb225300 ffffffc0 bb20a494 ffffffc0
fc80: 00000000 00000000 00000000 00000000 00000030 00000000 000f8c6c ffffffc0
fca0: 0074fd00 ffffffc0 000e4644 ffffffc0 bb20a400 ffffffc0 bb20a494 ffffffc0
fcc0: 00776a00 ffffffc0 00670da8 ffffffc0 00000000 00000000 00000001 00000000
fce0: bb008000 ffffffc0 407db000 00000000 00081230 ffffffc0 000e4638 ffffffc0
fd00: 0074fd40 ffffffc0 000e7338 ffffffc0 bb20a400 ffffffc0 bb20a494 ffffffc0
fd20: 00776a00 ffffffc0 000e7280 ffffffc0 bb225300 ffffffc0 000e72e0 ffffffc0
fd40: 0074fd70 ffffffc0 000e3d60 ffffffc0 00000030 00000000 00743000 ffffffc0
fd60: 0066e000 ffffffc0 006c2000 ffffffc0 0074fd90 ffffffc0 000e3e90 ffffffc0
fd80: 007437c8 ffffffc0 000e3e6c ffffffc0 0074fdf0 ffffffc0 00082404 ffffffc0
fda0: 0074fe20 ffffffc0 0075a000 ffffffc0 0000200c ffffff80 00002010 ffffff80
fdc0: 60000145 00000000 00672cc8 ffffffc0 407d9000 00000000 befb9b40 ffffffc0
fde0: 0074fe20 ffffffc0 000001d2 00000000 0074ff40 ffffffc0 00085da8 ffffffc0
fe00: 00758584 ffffffc0 0052c000 ffffffc0 0074ff40 ffffffc0 00087114 ffffffc0
fe20: 00000000 00000000 0074ff50 ffffffc0 0067d760 ffffffc0 befb9adc ffffffc0
fe40: 00000001 00000000 d4414200 00000020 d6a39c00 00000020 007a6a18 ffffffc0
fe60: 0075eb00 ffffffc0 0074fd60 ffffffc0 ffffc185 00000000 00000020 00000000
fe80: 0052d340 ffffffc0 00000030 00000000 fffffffe 0fffffff 00000000 00000000
fea0: 0018b508 ffffffc0 00000000 00000000 00000000 00000000 00758584 ffffffc0
fec0: 0052c000 ffffffc0 006c24e8 ffffffc0 007a030a ffffffc0 00000001 00000000
fee0: 00672cc8 ffffffc0 407d9000 00000000 407db000 00000000 00081230 ffffffc0
ff00: 40000000 00000040 0074ff40 ffffffc0 00087110 ffffffc0 0074ff40 ffffffc0
ff20: 00087114 ffffffc0 60000145 00000000 00758584 ffffffc0 0052c000 ffffffc0
ff40: 0074ff50 ffffffc0 000db568 ffffffc0 0074ff90 ffffffc0 00515fdc ffffffc0
ff60: 00758000 ffffffc0 007a3000 ffffffc0 007a3000 ffffffc0 befc8940 ffffffc0
ff80: 40760000 00000000 40000000 00000000 0074ffb0 ffffffc0 006ff998 ffffffc0
ffa0: 00000002 00000000 006ff988 ffffffc0 00000000 00000000 400826c0 00000000
ffc0: 8f03a688 00000000 00000e11 00000000 48000000 00000000 410fd030 00000000
ffe0: 0072c250 ffffffc0 00000000 00000000 00000000 00000000 00000000 00000000
Call trace:
[<ffffffc00040873c>] exynos4_jpeg_irq+0x30/0x15c
[<ffffffc0000e4504>] handle_irq_event_percpu+0x6c/0x160
[<ffffffc0000e4640>] handle_irq_event+0x48/0x78
[<ffffffc0000e7334>] handle_fasteoi_irq+0xe0/0x198
[<ffffffc0000e3d5c>] generic_handle_irq+0x24/0x40
[<ffffffc0000e3e8c>] __handle_domain_irq+0x80/0xf0
[<ffffffc000082400>] gic_handle_irq+0x30/0x80
Exception stack(0xffffffc00074fe00 to 0xffffffc00074ff20)
fe00: 00758584 ffffffc0 0052c000 ffffffc0 0074ff40 ffffffc0 00087114 ffffffc0
fe20: 00000000 00000000 0074ff50 ffffffc0 0067d760 ffffffc0 befb9adc ffffffc0
fe40: 00000001 00000000 d4414200 00000020 d6a39c00 00000020 007a6a18 ffffffc0
fe60: 0075eb00 ffffffc0 0074fd60 ffffffc0 ffffc185 00000000 00000020 00000000
fe80: 0052d340 ffffffc0 00000030 00000000 fffffffe 0fffffff 00000000 00000000
fea0: 0018b508 ffffffc0 00000000 00000000 00000000 00000000 00758584 ffffffc0
fec0: 0052c000 ffffffc0 006c24e8 ffffffc0 007a030a ffffffc0 00000001 00000000
fee0: 00672cc8 ffffffc0 407d9000 00000000 407db000 00000000 00081230 ffffffc0
ff00: 40000000 00000040 0074ff40 ffffffc0 00087110 ffffffc0 0074ff40 ffffffc0
[<ffffffc000085da4>] el1_irq+0x64/0xd8
[<ffffffc0000db564>] cpu_startup_entry+0x118/0x168
[<ffffffc000515fd8>] rest_init+0x7c/0x88
[<ffffffc0006ff994>] start_kernel+0x3a8/0x3bc
Code: 94045c34 f9406e60 97ffdc74 aa0003f4 (f9406400)
---[ end trace fa6dc0ea2efad21f ]---
Kernel panic - not syncing: Fatal exception in interrupt
---[ end Kernel panic - not syncing: Fatal exception in interrupt
Signed-off-by: Tony K Nadackal <tony.kn@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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q_data w/h must be set when encoding.
Fixes: 1c84e7f9d5dc596be (media: s5p-jpeg: Add support for resolution change event)
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Originally the "size" member was modified in a local variable passed to
s5p_jpeg_parse_hdr() but the member was not used by the caller, so it did
not matter. After applying patch
"media: s5p-jpeg: Don't use temporary structure in s5p_jpeg_buf_queue"
the unnecessary assignment started overwriting already assigned "size"
member of the passed structure with an incorrect value.
Fixes: 14a2de14dc0619bf9 ("media: s5p-jpeg: Don't use temporary structure in s5p_jpeg_buf_queue")
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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drivers/media/pci/ddbridge/ddbridge-core.c: In function 'ddb_port_attach':
drivers/media/pci/ddbridge/ddbridge-core.c:2261:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
if (ret < 0)
^
drivers/media/pci/ddbridge/ddbridge-core.c:2263:2: note: here
case DDB_PORT_LOOP:
^~~~
drivers/media/pci/ddbridge/ddbridge-core.c: In function 'dvb_input_attach':
drivers/media/pci/ddbridge/ddbridge-core.c:1492:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
if (input->port->dev->link[input->port->lnr].info->ts_quirks &
^
drivers/media/pci/ddbridge/ddbridge-core.c:1497:2: note: here
case DDB_TUNER_DVBCT2_SONY_P:
^~~~
drivers/media/pci/ddbridge/ddbridge-core.c:1516:9: warning: this statement may fall through [-Wimplicit-fallthrough=]
osc24 = 1;
~~~~~~^~~
drivers/media/pci/ddbridge/ddbridge-core.c:1517:2: note: here
case DDB_TUNER_DVBCT2_SONY:
^~~~
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Since the driver now recognizes and supports more chip variants, reflect
this fact in the module description accordingly.
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Acked-by: Abylay Ospan <aospan@netup.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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These structures are only copied into other structures, so
they can be const.
Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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All data is accessed RO, so mark everything const. Some vars in several
functions aswell as function signatures also require the const keyword
now, they're also added by this commit.
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Since the DD hardware info and maps aren't needed anymore outside of
ddbridge-hw.c (they're returned via get_ddb_info() now), mark them
static and remove all refs from ddbridge-hw.h.
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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adapter_alloc is only used from within ddbridge-core, so move it there,
this removes the need for prototyping/referencing the variable. While at
it, msi isn't needed outside of ddbridge-main, so don't extref that one
aswell.
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This further cleans up ddbridge-main from hardware-related data and moves
the exact card type determination into ddbridge-hw.c:get_ddb_info(), right
to the hardware maps/structs. Also, const'ify more structs and pointers.
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Force gap setting if given by attribute and enable gap for older regmaps.
Also, setting a gap value of 128 via sysfs will now disable gap.
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The scrambling code has 4 bits. Fix the mask accordingly.
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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It should first read the status and then check if FE has lock.
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Add MAINTAINER's entry for this new driver.
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Picked up code parts introduced one smatch error:
drivers/media/pci/ddbridge/ddbridge-maxs8.c:163 max_set_input_unlocked() error: buffer overflow 'dev->link[port->lnr].lnb.voltage' 4 <= 255
Fix this by clamping the .lnb.voltage array access to 0-3 by "& 3"'ing
dvb->input.
Cc: Ralph Metzler <rjkm@metzlerbros.de>
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This enables MaxS4/S8 and Octopus Max card support in ddbridge by adding
glue code into ddbridge-core, having another PCI ID, and have the LNB IC
control code (and all other MaxS4/8 related code) in ddbridge-maxs8.c
(rather than another ~400 LoC in ddbridge-core.c like it's done in the
original vendor driver package).
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This adds the frontend driver for the MaxLinear MxL5xx family of tuner-
demodulators, as used on Digital Devices MaxS4/8 four/eight-tuner cards.
The driver was picked from the dddvb vendor driver package and - judging
solely from the diff - has undergone a 100% rework:
- Silly #define's used to pass multiple values to functions were
expanded. This resulted in macro/register names not being usable
anymore for such occurences, but makes the code WAY more read-,
understand- and maintainable.
- CamelCase was changed to kernel_case
- All typedef were removed
- Overall code style was fixed, besides >80char lines in _defs.h and
_regs.h, checkpatch is happy.
- Also, signal stat acquisition was made to comply with the DVB API
ways to do these things.
Permission to reuse and mainline the driver code was formally granted by
Ralph Metzler <rjkm@metzlerbros.de>.
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Mark lookup tables and fe_ops things const so the compiler can put them
into .rodata.
While at it, improve name and identifier strings (moddesc, fe_ops).
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Fix up all remainders reported by checkpatch-strict.
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Fix up block comment style, whitespaces, c++ style comments et al.
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Fixes up all remainders reported by "checkpatch.pl --strict"
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This implements the diseqc_send_burst frontend op to support sending
mini-DISEQC bursts. Picked up from dddvb's driver package where this
specific block was disabled via #if 0/#endif, but is still working
according to feedback from upstream, so add it.
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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According to the documentation, FE_SCALE_DECIBEL values should be assigned
to .svalue and not .uvalue, so let's do this. While at it, remove the
unneeded strength var from read_signal_strength().
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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An entry for ddbridge driver was missing. Add it, now that it
moved to Maintained state.
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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It is known that MSI interrupts - while working quite well so far - can
still cause issues on some hardware platforms (causing I2C timeouts due
to unhandled interrupts). The msi variable/option is set to 1 by default.
So, add a Kconfig option prefixed with "EXPERIMENTAL" that will control
the default value of that modparam, defaulting to off for a better
user experience and (guaranteed) stable operation "per default".
Cc: Ralph Metzler <rjkm@metzlerbros.de>
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Tested-by: Richard Scobie <r.scobie@clear.net.nz>
Tested-by: Jasmin Jessich <jasmin@anw.at>
Tested-by: Dietmar Spingler <d_spingler@freenet.de>
Tested-by: Manfred Knick <Manfred.Knick@t-online.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Both ts_release() and ts_open() can use "output" before check (smatch):
drivers/media/pci/ddbridge/ddbridge-core.c:816 ts_release() warn: variable dereferenced before check 'output' (see line 809)
drivers/media/pci/ddbridge/ddbridge-core.c:836 ts_open() warn: variable dereferenced before check 'output' (see line 828)
Fix by performing checks on those pointers.
Cc: Ralph Metzler <rjkm@metzlerbros.de>
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Tested-by: Richard Scobie <r.scobie@clear.net.nz>
Tested-by: Jasmin Jessich <jasmin@anw.at>
Tested-by: Dietmar Spingler <d_spingler@freenet.de>
Tested-by: Manfred Knick <Manfred.Knick@t-online.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Smatch and gcc complained:
drivers/media/pci/ddbridge/ddbridge-core.c:3491 bpsnr_show() warn: impossible condition '(snr[0] == 255) => ((-128)-127 == 255)'
drivers/media/pci/ddbridge/ddbridge-core.c: In function ‘bpsnr_show’:
drivers/media/pci/ddbridge/ddbridge-core.c:3491:13: warning: comparison is always false due to limited range of data type [-Wtype-limits]
Fix this by changing the type of snr to unsigned char.
Cc: Ralph Metzler <rjkm@metzlerbros.de>
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Tested-by: Richard Scobie <r.scobie@clear.net.nz>
Tested-by: Jasmin Jessich <jasmin@anw.at>
Tested-by: Dietmar Spingler <d_spingler@freenet.de>
Tested-by: Manfred Knick <Manfred.Knick@t-online.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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>From smatch:
drivers/media/pci/ddbridge/ddbridge-core.c:3490 snr_store() info: ignoring unreachable code.
In fact, the function immediately returns zero, so remove it and update
ddb_attrs_snr[] to not reference it anymore.
Cc: Ralph Metzler <rjkm@metzlerbros.de>
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Tested-by: Richard Scobie <r.scobie@clear.net.nz>
Tested-by: Jasmin Jessich <jasmin@anw.at>
Tested-by: Dietmar Spingler <d_spingler@freenet.de>
Tested-by: Manfred Knick <Manfred.Knick@t-online.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Report from smatch:
drivers/media/pci/ddbridge/ddbridge-core.c:2659 ddb_ports_init() error: buffer overflow 'dev->port' 32 <= u32max
Fix by making sure "p" is greater than zero before checking for
"dev->port[].type == DDB_CI_EXTERNAL_XO2".
Cc: Ralph Metzler <rjkm@metzlerbros.de>
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Tested-by: Richard Scobie <r.scobie@clear.net.nz>
Tested-by: Jasmin Jessich <jasmin@anw.at>
Tested-by: Dietmar Spingler <d_spingler@freenet.de>
Tested-by: Manfred Knick <Manfred.Knick@t-online.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Smatch reported:
drivers/media/pci/ddbridge/ddbridge-core.c:1602 dvb_input_attach() error: we previously assumed 'dvb->fe' could be null (see line 1595)
dvb->fe2 will ever only be populated when dvb->fe is set. So only handle
registration of dvb->fe2 when dvb->fe got set beforehand by moving the
registration into the "if (dvb->fe)" conditional.
Cc: Ralph Metzler <rjkm@metzlerbros.de>
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Tested-by: Richard Scobie <r.scobie@clear.net.nz>
Tested-by: Jasmin Jessich <jasmin@anw.at>
Tested-by: Dietmar Spingler <d_spingler@freenet.de>
Tested-by: Manfred Knick <Manfred.Knick@t-online.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Fixes two warnings reported by smatch:
drivers/media/pci/ddbridge/ddbridge-core.c:240 ddb_redirect() warn: variable dereferenced before check 'idev' (see line 238)
drivers/media/pci/ddbridge/ddbridge-core.c:240 ddb_redirect() warn: variable dereferenced before check 'pdev' (see line 238)
Fixed by moving the existing checks up before accessing members.
Cc: Ralph Metzler <rjkm@metzlerbros.de>
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Tested-by: Richard Scobie <r.scobie@clear.net.nz>
Tested-by: Jasmin Jessich <jasmin@anw.at>
Tested-by: Dietmar Spingler <d_spingler@freenet.de>
Tested-by: Manfred Knick <Manfred.Knick@t-online.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Further cleanup of ddbridge-core and ddbridge-main, and moves all such
hw definitions into one single place, making things easier to maintain.
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Tested-by: Richard Scobie <r.scobie@clear.net.nz>
Tested-by: Jasmin Jessich <jasmin@anw.at>
Tested-by: Dietmar Spingler <d_spingler@freenet.de>
Tested-by: Manfred Knick <Manfred.Knick@t-online.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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While it seems valid that headers can carry simple oneline static inline
annotated functions, move them into their own header file to have the
overall code more readable. Also, keep them as header (and don't put in
a separate object) and static inline to help the compiler avoid
generating function calls.
(Thanks to Jasmin J. <jasmin@anw.at> for valuable input on this!)
Cc: Jasmin J. <jasmin@anw.at>
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Tested-by: Richard Scobie <r.scobie@clear.net.nz>
Tested-by: Jasmin Jessich <jasmin@anw.at>
Tested-by: Dietmar Spingler <d_spingler@freenet.de>
Tested-by: Manfred Knick <Manfred.Knick@t-online.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This huge patch bumps the ddbridge driver to version 0.9.29. Compared to
the vendor driver package, DD OctoNET including GTL link support, and all
DVB-C Modulator card support has been removed since this requires large
changes to the underlying DVB core API, which should eventually be done
separately, and, after that, the functionality/device support can be added
back rather easy.
While the diff is rather large, the bump is mostly a big refactor of all
data structures. Yet, the MSI support (message signaled interrupts) is
greatly improved, also all currently available CI single/duo bridge cards
are fully supported.
More changes compared to the upstream driver:
- the DDB_USE_WORKER flag/define was removed, kernel worker functionality
will be used.
- coding style is properly fixed (zero complaints from checkpatch)
- all (not much though) CamelCase has been fixed to kernel_case
- (private) IOCTLs temporarily removed (which are mainly used to provide
rarely-used FPGA update functionality)
Great care has been taken to keep all previous changes and fixes (e.g.
kernel logging via dev_*(), pointer annotations and such) intact.
Permission to reuse and mainline the driver code was formally granted by
Ralph Metzler <rjkm@metzlerbros.de>.
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Tested-by: Richard Scobie <r.scobie@clear.net.nz>
Tested-by: Jasmin Jessich <jasmin@anw.at>
Tested-by: Dietmar Spingler <d_spingler@freenet.de>
Tested-by: Manfred Knick <Manfred.Knick@t-online.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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As of 0.9.9b, the ddbridge code has been split from one single file
(ddbridge-core.c) into multiple files, with the purpose of taking care of
different topics, and to be able to reuse code in different kernel modules
(ddbridge.ko and octonet.ko). This applies the same code split, with a
notable difference:
In the vendor package, the split was done by moving all code parts into
separate files, and in the "main" code files (ddbridge.c and octonet.c),
a simple "#include ddbridge-core.c" was done.
In this patch, the same split (codewise) is done, but all resulting .c/.o
files will be handled by the makefile, with proper prototyping of all
shared functions done in ddbridge.h. To avoid conflicts wrt the global
space, the I2C functions and necessary prototypes for ddbridge-i2c.c are
moved into ddbridge-i2c.h, which is to be included wherever required.
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Tested-by: Richard Scobie <r.scobie@clear.net.nz>
Tested-by: Jasmin Jessich <jasmin@anw.at>
Tested-by: Dietmar Spingler <d_spingler@freenet.de>
Tested-by: Manfred Knick <Manfred.Knick@t-online.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The functions in ddbridge-core.c have been moved to different positions in
newer versions of the dddvb vendor driver package (most notably in version
0.9.9b). Perform the same code move to keep the diff of the upcoming
code bump simpler.
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Tested-by: Richard Scobie <r.scobie@clear.net.nz>
Tested-by: Jasmin Jessich <jasmin@anw.at>
Tested-by: Dietmar Spingler <d_spingler@freenet.de>
Tested-by: Manfred Knick <Manfred.Knick@t-online.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The structure vs6624_default_fmt is only copied into another
structure field, so it can be const.
Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Previously, possible digital gains were just 1x, 2x and 4x. These
coarse gains were not sufficient in fine-tuning the image capture.
Now, digital gain range is [0, 16x] with each step 1/1024, default 1x.
This is achieved through OV13858 MWB R/G/B gain controls.
Signed-off-by: Chiranjeevi Rapolu <chiranjeevi.rapolu@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Previously both link-frequency and pixel-rate reported by
the sensor was incorrect, resulting in incorrect FPS.
Report link-frequency in Hz rather than link data rate in bps.
Calculate pixel-rate from link-frequency.
Signed-off-by: Chiranjeevi Rapolu <chiranjeevi.rapolu@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Previously, initial exposure max was set incorrectly to (0x7fff - 8).
Now, limit exposure max to current resolution (VTS - 8).
Signed-off-by: Chiranjeevi Rapolu <chiranjeevi.rapolu@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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On format change, sometimes, sensor was streaming at a much higher
FPS than the default. This was resulting in various problems like
frame drops/corruption.
Upon format change, set default vblank as current vblank. This will
ensure that sensor will start streaming at default fps.
Signed-off-by: Chiranjeevi Rapolu <chiranjeevi.rapolu@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This prevents potentially scary debug messages from the i2c core.
Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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These structures are both stored in fields of v4l2_subdev_ops
structures, all of which are const, so these structures can be
const as well.
Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Signed-off-by: Stephen Brennan <stephen@brennan.io>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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