Commit Graph

330 Commits

Author SHA1 Message Date
Colin Ian King
ce73724d4d staging: speakup: make function ser_to_dev static
The helper function ser_to_dev does not need to be in global scope, so
make it static.

Cleans up sparse warning:
"warning: symbol 'ser_to_dev' was not declared. Should it be static?"

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Okash Khawaja <okash.khawaja@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-06-29 16:38:52 +02:00
Okash Khawaja
8a21ff775f staging: speakup: make ttyio synths use device name
This patch introduces new module parameter, dev, which takes a string
representing the device that the external synth is connected to, e.g.
ttyS0, ttyUSB0 etc. This is then used to communicate with the synth.
That way, speakup can support more than ttyS*. As of this patch, it
only supports ttyS*, ttyUSB* and selected synths for lp*. dev parameter
is only available for tty-migrated synths.

Users will either use dev or ser as both serve same purpose. This patch
maintains backward compatility by allowing ser to be specified. When
both are specified, whichever is non-default, i.e. not ttyS0, is used.
If both are non-default then dev is used.

Signed-off-by: Okash Khawaja <okash.khawaja@gmail.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-06-27 09:12:33 +02:00
Okash Khawaja
a5525dc0b8 staging: speakup: check and convert dev name or ser to dev_t
This patch adds functionality to validate and convert either a device
name or 'ser' memmber of synth into dev_t. Subsequent patch in this set
will call it to convert user-specified device into device number. For
device name, this patch does some basic sanity checks on the string
passed in. It currently supports ttyS*, ttyUSB* and, for selected
synths, lp*.

The patch also introduces a string member variable named 'dev_name' to
struct spk_synth. 'dev_name' represents the device name - ttyUSB0 etc -
which needs conversion to dev_t.

Signed-off-by: Okash Khawaja <okash.khawaja@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-06-27 09:12:33 +02:00
Okash Khawaja
e4dd8bca3d staging: speakup: fix synth caching when synth init fails
synths[] array caches currently loaded synths. synth_add checks
synths[] before adding a new one. It however ignores the result of
do_synth_init. So when do_synth_init fails, the failed synth is still
cached. Since, as a result module loading fails too, synth_remove -
which is responsible for removing the cached synth - is never called.
Next time the failing synth is added again it succeeds because
synth_add finds it cached inside synths[].

This patch fixes this by caching a synth only after do_synth_init
succeeds.

Signed-off-by: Okash Khawaja <okash.khawaja@gmail.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-06-25 16:31:22 +02:00
Alexandre Ghiti
650b175d63 staging: speakup: Add missing blank line after declaration
This patch fixes checkpatch warnings about adding a blank line after
variable declaration.

Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-06-13 14:59:21 +02:00
Okash Khawaja
bbe6fb5b96 staging: speakup: migrate bns to tty
Migration of bns was missed out in the patch
https://patchwork.kernel.org/patch/9727725/. This patch does it by
updating relevant function pointers, just like in the patch linked
above.

Signed-off-by: Okash Khawaja <okash.khawaja@gmail.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-06-13 12:06:43 +02:00
Bo YU
e5770b7bdb staging: speakup: alignment match open parens
I have aligned argument with parenthesis, so checkpatch no check also.

Signed-off-by: Bo YU <tsu.yubo@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-06-06 16:17:31 +02:00
Bo YU
1f10145646 staging: speakup: in serialio.c no over 80 chars long
Fixed the checkpatch.pl warning:

WARNING: line over 80 characters

Signed-off-by: Bo YU <tsu.yubo@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-06-06 16:17:30 +02:00
Bo YU
79de2d0e8d staging: speakup: add a space around '|'
Add a space around logical symbol '|' to wipe out checkpatch check

Signed-off-by: Bo YU <tsu.yubo@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-06-06 16:17:30 +02:00
Bo YU
f6089ae42f staging: speakup: add a missing blank line after declaration
Fixed checkpatch warning by adding a blank line after declare
expression

Signed-off-by: Bo YU <tsu.yubo@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-06-06 16:17:30 +02:00
Okash Khawaja
349190d56b staging: speakup: remove unused code
In spk_ttyio_release we read tty's index but never do anything with it.
The patch removes this dead code.

Signed-off-by: Okash Khawaja <okash.khawaja@gmail.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-06-03 17:38:25 +09:00
Okash Khawaja
011cca558b staging: speakup: check for null before calling TTY's flush_buffer
We should check the flush_buffer method of a tty for null before
invoking it. Some drivers such as usbserial don't implement
flush_buffer. This will be required for upcoming patches where we expand
spk_ttyio to support more than just ttyS*.

Signed-off-by: Okash Khawaja <okash.khawaja@gmail.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-06-03 17:38:25 +09:00
Rui Teng
fc0f0bd612 drivers/staging/speakup: fix indent coding style problem in spk_ttyio.c
This is a patch to the spk_ttyio.c file which fixes up the indent error
reported by the checkpatch.pl tool.

Signed-off-by: Rui Teng <rui.teng@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-05-25 18:56:45 +02:00
Dan Carpenter
e45423d76f staging: speakup: signedness bug in spk_ttyio_in_nowait()
On most of the common arches char is signed so it can't ever == 0xff.
Let's fix this by making it a u8.

Fixes: 6b9ad1c742 ("staging: speakup: add send_xchar, tiocmset and input functionality for tty")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-05-25 18:56:32 +02:00
Okash Khawaja
1c5973675c staging: speakup: flush tty buffers and ensure hardware flow control
This patch fixes the issue where TTY-migrated synths would take a while
to shut up after hitting numpad enter key. When calling synth_flush,
even though XOFF character is sent as high priority, data buffered in
TTY layer is still sent to the synth. This patch flushes that buffered
data when synth_flush is called.

It also tries to ensure that hardware flow control is enabled, by
setting CRTSCTS using tty's termios.

Reported-by: John Covici <covici@ccs.covici.com>
Signed-off-by: Okash Khawaja <okash.khawaja@gmail.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-05-16 14:19:41 +02:00
Okash Khawaja
470790eefe staging: speakup: migrate apollo, ltlk, audptr, decext, dectlk and spkout
This patch simply uses the changes introduced in previous patches and migrates
apollo, ltlk, audptr, decext, spkout and dectlk. Migrations are straightforward
function pointer updates.

Signed-off by: Okash Khawaja <okash.khawaja@gmail.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-05-16 14:19:41 +02:00
Okash Khawaja
6b9ad1c742 staging: speakup: add send_xchar, tiocmset and input functionality for tty
This patch adds further TTY-based functionality, specifically implementation
of send_xchar and tiocmset methods, and input. send_xchar and tiocmset
methods simply delegate to corresponding TTY operations.

For input, it implements the receive_buf2 callback in tty_ldisc_ops of
speakup's ldisc. If a synth defines read_buff_add method then receive_buf2
simply delegates to that and returns.

For spk_ttyio_in, the data is passed from receive_buf2 thread to
spk_ttyio_in thread through spk_ldisc_data structure. It has following
members:

- char buf: represents data received
- struct semaphore sem: used to signal to spk_ttyio_in thread that data
	is available to be read without having to busy wait
- bool buf_free: this is used in comination with mb() calls to syncronise
	the two threads over buf

receive_buf2 only writes to buf if buf_free is true. The check for buf_free
and writing to buf are separated by mb() to ensure that spk_ttyio_in has read
buf before receive_buf2 writes to it. After writing, it ups the semaphore to
signal to spk_ttyio_in that there is now data to read.

spk_ttyio_in waits for data to read by downing the semaphore. Thus when
signalled by receive_buf2 thread above, it reads from buf and sets buf_free
to true. These two operations are separated by mb() to ensure that
receive_buf2 thread finds buf_free to be true only after buf has been read.
After that spk_ttyio_in calls tty_schedule_flip for subsequent data to come
in through receive_buf2.

Signed-off-by: Okash Khawaja <okash.khawaja@gmail.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-05-16 14:19:41 +02:00
Okash Khawaja
bd697e2996 staging: speakup: migrate acntsa, bns, dummy and txprt to ttyio
This changes the above five synths to TTY-based comms. They were chosen as a
first pass because their serial comms are straightforward, i.e. they don't use
serial input and don't do internal port knocking.

Signed-off-by: Okash Khawaja <okash.khawaja@gmail.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-05-16 14:19:41 +02:00
Okash Khawaja
1ab92da32e staging: speakup: add tty-based comms functions
This adds spk_ttyio.c file. It contains a set of functions which implement
those methods in spk_synth struct which relate to sending bytes out using
serial comms. Implementations in this file perform the same function but
using TTY subsystem instead. Currently synths access serial ports, directly
poking standard ISA ports by trying to steal them from serial driver. Some ISA
cards actually need this way of doing it, but most other synthesizers don't,
and can actually work by using the proper TTY subsystem through a new N_SPEAKUP
line discipline. So this adds the methods for drivers to switch to accessing
serial ports through the TTY subsystem, whenever appropriate.

Signed-off-by: Okash Khawaja <okash.khawaja@gmail.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-05-16 14:05:42 +02:00
Michael Mera
6bbd04c653 staging: speakup: fix unnecessary long line
Fix checkpatch message:
WARNING: line over 80 characters

Change "bit mask" for "bitmask" to have a line shorter than 80 characters.

Signed-off-by: Michael Mera <dev@michaelmera.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-05-15 12:44:20 +02:00
Tiago Koji Castro Shibata
c53e5c2817 drivers/staging/speakup: Align block comments at *
Fix checkpatch.pl "WARNING: Block comments should align the * on each line"

Signed-off-by: Tiago Koji Castro Shibata <tiago.shibata@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-05-15 12:44:20 +02:00
Okash Khawaja
ca693dcd5c staging: speakup: make input functionality swappable
This moves functions which take input from external synth, into struct
spk_io_ops. The calling code then uses serial implementation of those methods
through spk_io_ops. That way we can add a parallel TTY-based implementation and
simply replace serial with TTY. That is what the next patch in this series does.

speakup_decext.c has get_last_char function which reads the most recent
available character from the synth. This patch changes that by defining
read_buff_add callback method of spk_syth and letting that update the last_char
global character read from the synth. read_buff_add is called from ISR, so
there is a possibility for last_char to be stale. Therefore it is marked as
volatile. It also pulls a repeated get_index implementation into synth.c, to
be used as a utility function.

Signed-off-by: Okash Khawaja <okash.khawaja@gmail.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-05-15 12:31:43 +02:00
Linus Torvalds
291b38a756 Annotation of module parameters that specify device settings
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Merge tag 'hwparam-20170420' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs

Pull hw lockdown support from David Howells:
 "Annotation of module parameters that configure hardware resources
  including ioports, iomem addresses, irq lines and dma channels.

  This allows a future patch to prohibit the use of such module
  parameters to prevent that hardware from being abused to gain access
  to the running kernel image as part of locking the kernel down under
  UEFI secure boot conditions.

  Annotations are made by changing:

        module_param(n, t, p)
        module_param_named(n, v, t, p)
        module_param_array(n, t, m, p)

  to:

        module_param_hw(n, t, hwtype, p)
        module_param_hw_named(n, v, t, hwtype, p)
        module_param_hw_array(n, t, hwtype, m, p)

  where the module parameter refers to a hardware setting

  hwtype specifies the type of the resource being configured. This can
  be one of:

        ioport          Module parameter configures an I/O port
        iomem           Module parameter configures an I/O mem address
        ioport_or_iomem Module parameter could be either (runtime set)
        irq             Module parameter configures an I/O port
        dma             Module parameter configures a DMA channel
        dma_addr        Module parameter configures a DMA buffer address
        other           Module parameter configures some other value

  Note that the hwtype is compile checked, but not currently stored (the
  lockdown code probably won't require it). It is, however, there for
  future use.

  A bonus is that the hwtype can also be used for grepping.

  The intention is for the kernel to ignore or reject attempts to set
  annotated module parameters if lockdown is enabled. This applies to
  options passed on the boot command line, passed to insmod/modprobe or
  direct twiddling in /sys/module/ parameter files.

  The module initialisation then needs to handle the parameter not being
  set, by (1) giving an error, (2) probing for a value or (3) using a
  reasonable default.

  What I can't do is just reject a module out of hand because it may
  take a hardware setting in the module parameters. Some important
  modules, some ipmi stuff for instance, both probe for hardware and
  allow hardware to be manually specified; if the driver is aborts with
  any error, you don't get any ipmi hardware.

  Further, trying to do this entirely in the module initialisation code
  doesn't protect against sysfs twiddling.

  [!] Note that in and of itself, this series of patches should have no
      effect on the the size of the kernel or code execution - that is
      left to a patch in the next series to effect. It does mark
      annotated kernel parameters with a KERNEL_PARAM_FL_HWPARAM flag in
      an already existing field"

* tag 'hwparam-20170420' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs: (38 commits)
  Annotate hardware config module parameters in sound/pci/
  Annotate hardware config module parameters in sound/oss/
  Annotate hardware config module parameters in sound/isa/
  Annotate hardware config module parameters in sound/drivers/
  Annotate hardware config module parameters in fs/pstore/
  Annotate hardware config module parameters in drivers/watchdog/
  Annotate hardware config module parameters in drivers/video/
  Annotate hardware config module parameters in drivers/tty/
  Annotate hardware config module parameters in drivers/staging/vme/
  Annotate hardware config module parameters in drivers/staging/speakup/
  Annotate hardware config module parameters in drivers/staging/media/
  Annotate hardware config module parameters in drivers/scsi/
  Annotate hardware config module parameters in drivers/pcmcia/
  Annotate hardware config module parameters in drivers/pci/hotplug/
  Annotate hardware config module parameters in drivers/parport/
  Annotate hardware config module parameters in drivers/net/wireless/
  Annotate hardware config module parameters in drivers/net/wan/
  Annotate hardware config module parameters in drivers/net/irda/
  Annotate hardware config module parameters in drivers/net/hamradio/
  Annotate hardware config module parameters in drivers/net/ethernet/
  ...
2017-05-10 19:13:03 -07:00
Okash Khawaja
be223d5775 staging: speakup: add send_xchar and tiocmset methods
This adds two methods to spk_synth struct: send_xchar and tiocmset, and
creates serial implementation for each of them. It takes existing code
in apollo, audptr and spkout which already fits the behaviour of
send_xchar and tiocmset. In follow-up patches there will be TTY-based
implementations of these methods. Then migrating the synths to TTY will
include repointing these methods to their TTY implementations

Rest of the changes simply make use of serial implementation of these two
functions.

Signed-off-by: Okash Khawaja <okash.khawaja@gmail.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-25 20:45:12 +02:00
David Howells
dbf05cb05f Annotate hardware config module parameters in drivers/staging/speakup/
When the kernel is running in secure boot mode, we lock down the kernel to
prevent userspace from modifying the running kernel image.  Whilst this
includes prohibiting access to things like /dev/mem, it must also prevent
access by means of configuring driver modules in such a way as to cause a
device to access or modify the kernel image.

To this end, annotate module_param* statements that refer to hardware
configuration and indicate for future reference what type of parameter they
specify.  The parameter parser in the core sees this information and can
skip such parameters with an error message if the kernel is locked down.
The module initialisation then runs as normal, but just sees whatever the
default values for those parameters is.

Note that we do still need to do the module initialisation because some
drivers have viable defaults set in case parameters aren't specified and
some drivers support automatic configuration (e.g. PNP or PCI) in addition
to manually coded parameters.

This patch annotates drivers in drivers/staging/speakup/.

Suggested-by: Alan Cox <gnomes@lxorguk.ukuu.org.uk>
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
cc: speakup@linux-speakup.org
cc: devel@driverdev.osuosl.org
2017-04-20 12:02:32 +01:00
Arushi Singhal
0d6ff61649 staging: speakup: Remove the explicit NULL comparison
Fixed coding style for null comparisons in speakup driver to be more
consistant with the rest of the kernel coding style.
Replaced 'x != NULL' with 'x' and 'x = NULL' with '!x'.

Signed-off-by: Arushi Singhal <arushisinghal19971997@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-27 14:00:41 +02:00
Arushi Singhal
f239d3db3d staging: speakup: Align the code.
Delete tabs and add spaces to align the code to fix the
checkpatch issue: "CHECK: Alignment should match open parenthesis".

Signed-off-by: Arushi Singhal <arushisinghal19971997@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-27 13:51:32 +02:00
Pranay Kr. Srivastava
b1b2b3ca78 staging: speakup: use speakup_allocate as per required context
speakup_allocate used GFP_ATOMIC for allocations
even while during initialization due to it's use
in notifier call.

Pass GFP_ flags as well to speakup_allocate depending
on the context it is called in.

Signed-off-by: Pranay Kr. Srivastava <pranjas@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-27 13:51:32 +02:00
Gustavo A. R. Silva
a15505e69c staging: speakup: fix warning for static declaration
Fix the following sparse warning:
symbol 'spk_serial_out' was not declared. Should it be static?

Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-27 13:49:22 +02:00
Arushi Singhal
65bf4ea10f staging: speakup: Match alignment with open parenthesis.
Fix checkpatch issues: "CHECK: Alignment should match open parenthesis".

Signed-off-by: Arushi Singhal <arushisinghal19971997@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-23 14:20:41 +01:00
Arushi Singhal
3b4ad1ecd1 staging: speakup: Removed Unnecessary parentheses.
Unnecessary parentheses are removed to improve readability.

Signed-off-by: Arushi Singhal <arushisinghal19971997@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-23 14:20:41 +01:00
Arushi Singhal
205931ea88 staging: speakup: spaces preferred around operator
Fixed the checkpatch.pl issues like:
CHECK: spaces preferred around that '&' (ctx:VxV)
CHECK: spaces preferred around that '|' (ctx:VxV)
CHECK: spaces preferred around that '-' (ctx:VxV)
CHECK: spaces preferred around that '+' (ctx:VxV)
etc.

Signed-off-by: Arushi Singhal <arushisinghal19971997@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-23 14:20:41 +01:00
Arushi Singhal
23996ee52e staging: speakup: Moved OR operator to previous line.
Moved logical OR operator to previous line to fix the following
checkpatch issue:

CHECK: Logical continuations should be on the previous line.

Signed-off-by: Arushi Singhal <arushisinghal19971997@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-23 14:20:41 +01:00
Arushi Singhal
0dcb212413 staging: speakup: fixes braces {} should be used on all arms of this statement
This patch fixes the checks reported by checkpatch.pl
for braces {} should be used on all arms of this statement.

Signed-off-by: Arushi Singhal <arushisinghal19971997@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-23 14:20:41 +01:00
Arushi Singhal
b8f107bc90 staging: speakup: Simplify "NULL" comparisons
Fixed coding style for null comparisons in speakup driver to be more
consistant with the rest of the kernel coding style.
Replaced 'x != NULL' with 'x' and 'x = NULL' with '!x'.

Signed-off-by: Arushi Singhal <arushisinghal19971997@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-23 14:20:41 +01:00
Arushi Singhal
049aa51558 staging: speakup: Moved logical to previous line.
Moved logical operator to previous line to fix the following
checkpatch issue:

CHECK: Logical continuations should be on the previous line.

Signed-off-by: Arushi Singhal <arushisinghal19971997@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-23 14:20:40 +01:00
Pranay Kr. Srivastava
ad5a942f6c remove unnecessary initial allocation of vc
This patch removes the unnecessary allocation of
current foreground vc during initialization.

This initialization is already handled in the loop
that follows it for all available virtual consoles.

Signed-off-by: Pranay Kr. Srivastava <pranjas@gmail.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-23 14:16:52 +01:00
Pranay Kr. Srivastava
4e9cc9a0a5 return same error value from spk_set_key_info
This patch makes spk_set_key_info return -EINVAL
in case of failure instead of returning 4 different
values for the type of error that occurred.

Print the offending values instead as debug message.

Signed-off-by: Pranay Kr. Srivastava <pranjas@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-23 14:16:52 +01:00
Samuel Thibault
e1f28c86a2 speakup: Fix spurious space pronunciation on spelling letters
This gathers emitting the caps start string, space, spelled letter
string, space, and caps stop string, into one printf, to avoid
sending to the synth a space character alone, which the synth would
then pronounce.

Similarly, emit space along control-letter and letter spelling.

Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Tested-by: Zahari Yurukov <zahari.yurukov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-23 14:00:58 +01:00
Okash Khawaja
98c1fda752 staging: speakup: move those functions which do outgoing serial comms, into serialio.c
This moves spk_synth_immediate and spk_serial_synth_probe functions into
serialio.c. These functions do outgoing serial comms. The move is a step
towards collecting all serial comms in serialio.c. This also renames
spk_synth_immediate to spk_serial_synth_immediate.

Code inside those functions has not been changed. Along the way, this patch
also fixes a couple of spots which were calling spk_synth_immediate directly,
so that the calls now happen via the spk_syth struct.

Signed-off-by: Okash Khawaja <okash.khawaja@gmail.com>

Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-17 15:19:09 +09:00
Arushi Singhal
79bd555462 staging: speakup: identation should use tabs
Indentation should always use tabs and never spaces.

Signed-off-by: Arushi Singhal <arushisinghal19971997@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-16 11:17:07 +09:00
Arushi Singhal
defaa9ad58 staging: speakup: Add blank line after declarations
Patch fixes the warnings reported by checkpatch.pl
for please use a blank line after function/struct/union/enum
declarations.
Add a blank line after enum and struct declarations.

Signed-off-by: Arushi Singhal <arushisinghal19971997@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-16 11:15:10 +09:00
Samuel Thibault
0b4139ad5e speakup: Fix bogus caps on speaking unicode characters
commit 33590c1852 ("speakup: Support spelling unicode characters")
mistakenly passed unicode characters to IS_CHAR(), which only
supports latin1.  Let's assume non-latin1 is lower case, like is done
in spell_word().

Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Reviewed-by: Chris Brannon <chris@the-brannons.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-16 11:14:14 +09:00
Okash Khawaja
a50ef31654 staging: speakup: move spk_stop_serial_interrupt into synth-specific release function
This moves call to spk_stop_serial_interrupt() function out of synth_release()
and into release() method of specific spk_synth instances. This is because
the spk_stop_serial_interrupt() call is specific to current serial i/o
implementation. Moving it into each synth's release() method gives the
decision of calling  spk_stop_serial_interrupt() to that synth.

Signed-off-by: Okash Khawaja <okash.khawaja@gmail.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-16 11:12:02 +09:00
Okash Khawaja
1e441594e5 staging: speakup: add spk_io_ops struct to spk_synth
This patch adds spk_io_ops struct which contain those methods whose job is to
communicate with synth device. Currently, all comms with external synth
device use raw serial i/o. The idea is to group all methods which do the
actual communication with external device into this new struct. Then migrating
a serial-based synth over to an alternative to raw serial i/o will mean
swapping serial spk_io_ops instance with the io_ops instance of the new
method, making the migration simpler.

At the moment, this struct only contains one method, synth_out but more will
be added in future when migrating synths which require input functionality.
Also at the moment, synth_out method has one implementation which uses
serial i/o. Plan is to add an alternative.

Signed-off-by: Okash Khawaja <okash.khawaja@gmail.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-16 11:11:22 +09:00
Okash Khawaja
9176d156ca staging: speakup: spk_serial_out and spk_wait_for_xmitr to take synth arg
These two functions are always called from a context where spk_synth instance
is available. They also use the spk_synth instance but instead of taking it
as an argument, they rely on a global spk_synth instance inside synth.c which
points to the same synth as the one being passed in as argument.

Signed-off-by: Okash Khawaja <okash.khawaja@gmail.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-16 11:10:18 +09:00
Samuel Thibault
33590c1852 speakup: Support spelling unicode characters
This supports spelling unicode characters by just passing them to
the speech synthesis in direct mode.

Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-14 06:07:43 +08:00
Samuel Thibault
c188966067 speakup: make get_char actually get unicode characters
9831013cbd ('speakup: convert screen
reading to 16bit characters') paved the way for handling unicode
characters in speakup, but for the review mode, it missed actually
getting unicode characters from the VC. This fixes by just turning the
use_unicode parameter to 1.

Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Tested-by: Zahari Yurukov <zahari.yurukov@gmail.com>
Reviewed-by: Chris Brannon <chris@the-brannons.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-14 06:07:43 +08:00
Arushi Singhal
533131df8a staging: speakup: fix "Alignment match open parenthesis"
Fix checkpatch issues: "CHECK: Alignment should match open parenthesis".

Signed-off-by: Arushi Singhal <arushisinghal19971997@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-14 06:07:43 +08:00
Narcisa Ana Maria Vasile
38081c7185 staging: speakup: i18n.c: Refactor conditionals in spk_msg_set
Reduce the indentation level in spk_msg_set and remove
unnecessary return variable.

Signed-off-by: Narcisa Ana Maria Vasile <narcisaanamaria12@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-12 15:27:45 +01:00