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Fix the checkpatch.pl issues:
WARNING: Block comments use * on subsequent lines
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix the checkpatch.pl issues:
WARNING: Block comments use * on subsequent lines
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix the checkpatch.pl issues:
WARNING: Block comments use * on subsequent lines
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix the checkpatch.pl issue:
WARNING: Block comments use * on subsequent lines
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This comment block is used to automatically generate documentation in
Comedi and Comedilib.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This driver is for a simple 4/8 channel analog output board with 2 isolated
digital inputs and 2 isolated digital outputs. Support for these subdevices
is provided by the driver.
The boards also has a watchdog timer that can be used to reset the analog
outputs. It can also be used as a general purpose 12-bit timer when the
watchdog function is not necessary. The current support code for this
subdevice is broken. It does not follow the comedi API and requires some
out-of-tree patches in order to even work.
Remove the subdevice support. If a proper register map can be located for
this board we can add support back later.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Most of the macros in "plx9080.h" that define register values are
single-bits flags of the form `PLX_<REG>_<FLAG>`, or are constant,
multi-bit values of the form `PLX_<REG>_<FIELD>_<VAL>`, or are
non-constant, function-like macros of the form `PLX_<REG>_<FIELD>(x)`.
Some of the macros for constant, multi-bit values do not currently
fit the pattern, so rename them for consistency.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Various macros in "plx9080.h" take the form `PLX_<REG>_<FIELD>(x)`,
where `<REG>` is a register name, `<FIELD>` is a field within the
register, and `x` is a value for the field specified by the caller. The
macros construct a partial register register with the specified field
value placed in the appropriate bits of the register value, and other
bits of the register value zeroed. Add corresponding macros of the form
`PLX_<REG>_TO_<FIELD>(r)` that extract a field value from a specified
register values. Remove macros of the form `PLX_<REG>_<FIELD>_SHIFT`
that specified the bit position of a field within a register value as
they are no longer useful.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
kmalloc will print enough information in case of failure.
Signed-off-by: Wolfram Sang <wsa-dev@sang-engineering.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Comedi uses 32-bit seconds for its timestamps, on both 32-bit and
64-bit machines. For all I can tell, this was originally meant as
a 'timespec', which would overflow in 2038 because of the use of
a signed 'long' on 32-bit machines, but it is now used as an
array of two unsigned 'lsampl_t' values in comedilib, which will
only overflow in 2106, on both 32-bit and 64-bit machines.
In an effort to get rid of all uses of 'struct timeval' in the kernel,
this replaces the internal code with a call to ktime_get_real_ts64()
and a comment at the location of the conversion.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This fixes up a WARNING: 'Block comments use a trailing */ on a
separate line' found by the checkpatch.pl tool.
Signed-off-by: Ravishankar Karkala Mallikarjunayya <ravishankarkm32@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This fixes up a WARNING: 'Block comments use a trailing */ on a
separate line' found by the checkpatch.pl tool.
Signed-off-by: Ravishankar Karkala Mallikarjunayya <ravishankarkm32@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This fixes up a WARNING: 'Block comments use a trailing */ on a
separate line' found by the checkpatch.pl tool.
Signed-off-by: Ravishankar Karkala Mallikarjunayya <ravishankarkm32@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
checkpatch.pl warns that a cast of 1 to (long long) is unnecessary.
Remove the cast and also add code to check and make sure that
maxdata_list[chan] is not shifted too far, as suggested by Ian
Abbott.
Signed-off-by Chris Cesare <chris.cesare@gmail.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
checkpatch.pl warns about a bare unsigned. Add type int to make
explicit and suit the coding style.
Signed-off-by Chris Cesare <chris.cesare@gmail.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This is a patch to the das800.c file that fixes up a
WARNING: 'Block comments use a trailing */ on a separate line'
found by the checkpatch.pl tool
Signed-off-by: Ravishankar Karkala Mallikarjunayya <ravishankarkm32@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This is a patch to the das16.c file that fixes up a
WARNING: 'Block comments use a trailing */ on a separate line'
found by the checkpatch.pl tool.
Signed-off-by: Ravishankar Karkala Mallikarjunayya <ravishankarkm32@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This is a patch to the das16.c file that fixes up a blank line after
function/struct/union/enum check found by the checkpatch.pl tool
Signed-off-by: Ravishankar Karkala Mallikarjunayya <ravishankarkm32@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This Replace all occurences of (1<<x) by BIT(x) and DMM32AT_CTRL_PAGE(x),
DMM32AT_AI_CFG_SCINT(x) macros to get rid of checkpatch.pl
"CHECK" output "Prefer using the BIT macro"
Signed-off-by: Ravishankar Karkala Mallikarjunayya <ravishankarkm32@gmail.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This is a patch to the jr3_pci.c file that fixes up a
WARNING: Prefer 'unsigned int' to bare use of 'unsigned'
found by the checkpatch.pl tool.
Signed-off-by: Ravishankar Karkala Mallikarjunayya <ravishankarkm32@gmail.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch Replace all occurences of (1<<x) by BIT(x) and DAS6402_CTRL_TRIG(x),
DAS6402_MODE_RANGE(x), DAS6402_MODE_DMA(x) macros in the file das6402.c
to get rid of checkpatch.pl "CHECK" output "Prefer using the BIT macro"
Signed-off-by: Ravishankar Karkala Mallikarjunayya <ravishankarkm32@gmail.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch Replace all occurences of (1<<x) by BIT(x) in the file das16.c
to get rid of checkpatch.pl "CHECK" output "Prefer using the BIT macro"
Signed-off-by: Ravishankar Karkala Mallikarjunayya <ravishankarkm32@gmail.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This is a patch to the jr3_pci.c file that fixes up a
WARNING: 'Block comments use a trailing */ on a separate line'
found by the checkpatch.pl tool.
Signed-off-by: Ravishankar Karkala Mallikarjunayya <ravishankarkm32@gmail.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This is a patch to the me_daq.c file that fixes up a
WARNING: Prefer 'unsigned int' to bare use of 'unsigned'
found by the checkpatch.pl tool.
Signed-off-by: Ravishankar Karkala Mallikarjunayya <ravishankarkm32@gmail.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This is a patch to the mpc624.c file that fixes up a
WARNING: 'Statements should start on a tabstop' found by
the checkpatch.pl tool.
Signed-off-by: Ravishankar Karkala Mallikarjunayya <ravishankarkm32@gmail.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
trivial fix to spelling mistake
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The watchdog subdevice is supported using the addi_watchdog module and
it uses the register defines from addi_tcw.h. The only register define
needed it the iobase offset to the register block.
Remove the unnecessary defines and rename the iobase define.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Like the timer, the support functions for the counter subdevice are broken.
Rewrite the code to follow the comedi API.
The new implementation is based on the (minimal) datasheet I have from
ADDI-DATA.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The support functions for the timer subdevice are broken.
1) The (*insn_write) assumes that insn->n is always 2 (data[1] is used)
2) The (*insn_read) assumes that insn->n is always 2 (data can be returned in
data[0] and data[1]).
3) The (*insn_config) does not follow the API. It assumes insn->n is always 4
(data[1], data[2] and data[3] are used). It also doesn't use data[0] to
determine what the config "instruction" is.
Rewrite the code to follow the comedi API and add the missing comedi driver
comment block.
The new implementation is based on the (minimal) datasheet I have from
ADDI-DATA.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The counter subdevice can generate an interrupt. Currently send_sig() is used
to let the task know when the interrupt occurs. Use the dev->read_subdev and
comedi_handle_events() instead.
Remove the, now unused, 'tsk_current' member from the private data and the
unnecessary include of <linux/sched.h>.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The timer subdevice can generate an interrupt. Currently send_sig() is used
to let the task know when the interrupt occurs. Use the dev->read_subdev
and comedi_handle_events() instead.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This board supports change-of-state interrupts on digital inputs 4 to 19
not 0 to 15.
The current code "works" but it could set inappropriate bits in the mode1
and mode2 registers that setup which channels are enabled. It also doesn't
return the status of the upper 4 channels (19 to 16).
Fix the comment and mask the mode1/mode2 values so that only the interrupt
capable channels can be enabled.
Add the SDF_LSAMPL flag to the subdevice so that 32-bit samples are used
instead of 16-bit ones. This allows returning the upper 4 channels. Use
the remaining bits in the sample to return "event" flags to the user.
The timer and counter subdevices can also generate interrupts and are a bit
hacked. They don't currently follow the comedi API and they use send_sig()
to let the task that know that the interrupt occured. The "event" flags will
be used instead when these subdevices are fixed.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add `#include` lines to declare stuff used by "plx9080.h" itself.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Document the DMA descriptor `struct plx_dma_desc`, and the DMA abort
function `plx9080_abort_dma()`.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Use the usual block comment style and remove some excess spaces from
single-line comments. Remove some obvious stuff about register offsets
being zero relative. Remove some text about the original history of the
file, as it bears hardly any resemblance to it now.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add macros in "plx9080.h" that define values for the DMATHR register
values. Use the prefix `PLX_DMATHR_` for the macros. Make use of the
`BIT(x)` and `GENMASK(h,l)` macros to define the values.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Replace the existing macros in "plx9080.h" that define values for the
DMACSR0 and DMACSR0 registers. Use the prefix `PLX_DMACSR_` for the
macros. Make use of the `BIT(x)` macro to define the values.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Replace the existing macros in "plx9080.h" that define values for the
DMADPR0 and DMADPR1 registers. (A little-endian version of the register
value is also placed in the `next` member of `struct plx_dma_desc`.)
Use the prefix `PLX_DMADPR_` for the macros. Make use of the `BIT(x)`
and `GENMASK(h,l)` macros to define the values.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Replace the existing macros in "plx9080.h" that define values for the
DMAMODE0 and DMAMODE1 registers. Use the prefix `PLX_DMAMODE_` for the
macros. Make use of the `BIT(x)` and `GENMASK(h,l)` macros to define
the values.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
For the PLX PCI 9080, the read-only PCIHIDR register is hard-coded with
the value `0x908010b5`. Add a macro `PLX_PCIHIDR_9080` that expands to
this value.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Replace the existing macros in "plx9080.h" that define values for the
CNTRL register. Use the prefix `PLX_CNTRL_` for the macros. Make use
of the `BIT(x)` and `GENMASK(h,l)` macros to define the values.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Replace the existing macros in "plx9080.h" that define values for the
INTCSR register. Use the prefix `PLX_INTCSR_` for the macros. Make use
of the `BIT(x)` and `GENMASK(h,l)` macros to define the values.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Replace the existing macros in "plx9080.h" that define values for the
DMCFGA register. Use the prefix `PLX_DMCFGA_` for the macros. Make use
of the `BIT(x)` and `GENMASK(h,l)` macros to define the values.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Replace the existing macros in "plx9080.h" that define values for the
DMPBAM register. Use the prefix `PLX_DMPBAM_` for the macros. Make use
of the `BIT(x)` and `GENMASK(h,l)` macros to define the values.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Replace the existing macros in "plx9080.h" that define values for the
LBRD0 and LBRD1 registers. Use the prefix `PLX_LBRD_` for macros that
apply to both registers, `PLX_LBRD0_` for macros that apply only to the
LBRD0 register, and `PLX_LBRD1_` for macros that apply only to the LBRD1
register. Make use of the `BIT(x)` and `GENMASK(h,l)` macros to define
the values.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Replace `enum bigend_bits` in "plx9080.h" with a bunch of macros
defining values for the BIGEND register. Use the prefix `PLX_BIGEND_`
for the macro names. Make use of the `BIT(x)` and `GENMASK(h,l)` macros
to define the values.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Replace `enum marb_bits` in "plx9080.h" with a bunch of macros defining
values for the MARBR and DMAARB registers (which are the same
Mode/Arbitation register at two different offsets). Use the prefix
`PLX_MARBR_` for the macros. Make use of the `BIT(x)` and
`GENMASK(h,l)` macros to define the values.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Replace the existing macros in "plx9080.h" that define values for the
LAS0BA and LAS1BA registers. Use the prefix `PLX_LASBA_` for the
macros. Make use of the `BIT(x)` and `GENMASK(h,l)` macros to define
the macros.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Rename the macros for the PLX PCI 9080 LAS0RR and LAS1RR registers in
"plx9080.h", using the prefix `PLX_LASRR_`. Make use of the `BIT(x)`
and `GENMASK(h,l)` macros to define the values.
Define a macro `PLX_LASRR_PREFETCH` for the "prefetchable memory" bit in
this register, and define a macro `PLX_LASRR_MLOC_MASK` to mask the PCI
memory location control bits.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Rename the macros in "plx9080.h" that define the offsets of registers,
following the pattern `PLX_REG_<NAME>`, where `<NAME>` is the register
name from the PLX PCI 9080 Data Book.
Add defines for the "Mailbox" registers, and add parameterized macros
for the mailbox registers and the DMA control registers. Make use of
the parameterized versions of the macros where it seems appropriate.
The registers for supporting the I2O (Intelligent Input/Output) feature
are largely left undefined, just defining enough to allow the I2O
feature to be disabled.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
