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Removed TODO item 2 :
Current UIM/KIM communicate via the rfkill device and identified by the unique idx
assisgned by the rfkill sub-system to each of these rfkill entries.
Removed TODO item 1 :
Since there is no way we can test existance of multiple connectivity
devices on platform.
However the basic infrastructure as in providing a context to ST driver
exist.
If multiple devices have to exist on a given platform, multiple ST
platform devices need to be registered and each of the protocol drivers
have to mention which platform device they want to bind to/make use of.
Removed TODO item 3:
Locking have been reviewed and commit
36b5aee46b5e4788758409829926c631de0a64a3 documents locking.
Signed-off-by: Pavan Savoy <pavan_savoy@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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update TODO to reflect the items taken care of,
update ABI to reflect the new debugfs entries exposed.
Signed-off-by: Pavan Savoy <pavan_savoy@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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When the chip is in use, information like the chip's ROM version and the
protocols currently making use of the chip needs to be made known to
user-space.
Earlier the version and the protocol-list were exposed as sysfs entries
now cleanup by making them as debugfs entries, also in process remove
any unwanted/previously unused sysfs entries.
Signed-off-by: Pavan Savoy <pavan_savoy@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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protocol drivers such as BT, FM and GPS when registering
to ST now provide their own private data which they expect
when their functions namely registration completed & receive
are called.
Also upon tty_close, set protos_registered count to 0, although
all protocols are marked un-registered.
Signed-off-by: Pavan Savoy <pavan_savoy@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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cleanup the code commenting in the headers/structures,
also cleanup few inline commenting in the function
Signed-off-by: Pavan Savoy <pavan_savoy@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Replace looping on the data buffers and printk-ing by
print_hex_dump.
Also replace most of the pr_info by pr_debug to reduce logging at
default loglevels (7 in our case..)
Signed-off-by: Pavan Savoy <pavan_savoy@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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remove custom error code definitions from the header and
make use of the agreed upon linux error codes.
Signed-off-by: Pavan Savoy <pavan_savoy@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Providing a context which can be passed around the driver, the KIM's platform
driver's struct device to be used to dev_set_drvdata and dev_get_drvdata.
The ST core's data is passed around using tty's disc_data and in other
cases the ST KIM's platform device is exposed from the board-XX.c which
adds KIM platform device whose dev is used.
Thereby remove the need for the global reference struct kim_data_s *kim_gdata;
Signed-off-by: Pavan Savoy <pavan_savoy@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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An important TODO was to remove global references in TI-ST driver,
thereby providing a context to the driver.
This should also serve as a small step in removal of the single device
limit.
Signed-off-by: Pavan Savoy <pavan_savoy@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Older mechanism of counting the number of protocols
registered with ST was slow, in-efficient.
It used to check the protocol data for NULL for each
registration/unregistration.
With this change, counting protocols in maintained by
a single counter protos_registered.
Counting protocols is not just for debug purposes
Signed-off-by: Naveen Jain <naveen_jain@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Add version information to be available under the sysfs group
for kim.
Signed-off-by: Naveen Jain <naveen_jain@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Remove the older way of communicating with user-space
daemon UIM.
The older way involved creating of a new kobj and pid
sysfs file under it, and sending signal using that pid.
Now we communicate via rfkill to user-space UIM.
Background: UIM is the user-space daemon which upon
notification from ldisc driver, opens the tty, sets
default baud and then installs (tiocsetd) the ldisc.
Signed-off-by: Naveen Jain <naveen_jain@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Update the TODO of TI-ST to make sure it reflects current list
of activities that need to be done.
Also point it out to the user-space app code relevant to it.
Signed-off-by: Pavan Savoy <pavan_savoy@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Fix build errors. st_kim.c uses rfkill*() interfaces, so it
should depend on RFKILL.
st_kim.c:(.text+0x291b21): undefined reference to `rfkill_unregister'
st_kim.c:(.text+0x291b31): undefined reference to `rfkill_destroy'
st_kim.c:(.text+0x291d8a): undefined reference to `rfkill_alloc'
st_kim.c:(.text+0x291db9): undefined reference to `rfkill_init_sw_state'
st_kim.c:(.text+0x291dc9): undefined reference to `rfkill_register'
st_kim.c:(.text+0x291e07): undefined reference to `rfkill_unregister'
(.text+0x291e85): undefined reference to `rfkill_set_hw_state'
(.text+0x292072): undefined reference to `rfkill_set_hw_state'
(.text+0x2920e1): undefined reference to `rfkill_set_hw_state
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This change adds the Kconfig and Make file for TI's
ST line discipline driver and the BlueZ driver for BT
core of the TI BT/FM/GPS combo chip.
Signed-off-by: Pavan Savoy <pavan_savoy@ti.com>
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This is BlueZ driver making use of Shared Transport line
discipline to communicate with the chip.
Signed-off-by: Pavan Savoy <pavan_savoy@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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A TODO file and a ABI to list the things to be done,
and user-space/kernel-space interface for this ldisc.
Signed-off-by: Pavan Savoy <pavan_savoy@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Texas Instruments BT, FM and GPS combo chips/drivers
make use of a single TTY to communicate with the chip.
This is the common header file for both the ST driver and the
protocol drivers which intend to use ST as their mode of
transport.
Signed-off-by: Pavan Savoy <pavan_savoy@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Texas Instruments BT, FM and GPS combo chips/drivers
make use of a single TTY to communicate with the chip.
This module constitutes the proprietary power management
protocol from TI for the BT/FM/GPS combo chips
Signed-off-by: Pavan Savoy <pavan_savoy@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Kernel Space Init-Manager works along with User-Mode
Init Manager daemon running to maintain the UART state.
Communication between user-space daemon and this module can be
1. Via the pid written onto sysfs entry
2. Via the rfkill subsystem
It also is a platform driver with a relevant platform device
in the board-*.c along with the list of BT/FM/GPS chip enable
gpio configuration
Signed-off-by: Pavan Savoy <pavan_savoy@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Texas Instruments BT, FM and GPS combo chips/drivers
make use of a single TTY to communicate with the chip.
This module constitutes the core logic, TTY ldisc driver
and the exported symbols for registering/unregistering of
the protocol drivers such as BT/FM/GPS.
Signed-off-by: Pavan Savoy <pavan_savoy@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Pavan Savoy
Andrea Gelmini
Naveen Jain
Randy Dunlap