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path: root/drivers/media/pci/ddbridge/ddbridge-main.c
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2018-09-12media: ddbridge: header/boilerplate cleanups and cosmeticsDaniel Scheller
Cleanup blank lines, remove wrong links to http://www.gnu.org/copyleft/gpl.html (the driver is licensed under the terms of GPLv2, but the link points to a copy of the GPLv3), and fix the filename reference in ddbridge-i2c.h. [mchehab@kernel.org: removed whitespace changes at the licensing text, as we didn't get any acks from the authors with regards to changing the text] Cc: Ralph Metzler <rjkm@metzlerbros.de> Cc: Manfred Voelkel <mvoelkel@DigitalDevices.de> Signed-off-by: Daniel Scheller <d.scheller@gmx.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-09-12media: ddbridge: add SPDX license identifiersDaniel Scheller
Since the boilerplates and MODULE_LICENSE are now in sync regarding the used license (GPL v2 only), add a matching GPLv2 SPDX license identifier to all files of the ddbridge driver. Cc: Ralph Metzler <rjkm@metzlerbros.de> Cc: Manfred Voelkel <mvoelkel@DigitalDevices.de> Signed-off-by: Daniel Scheller <d.scheller@gmx.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-09-12media: mxl5xx/stv0910/stv6111/ddbridge: fix MODULE_LICENSE to 'GPL v2'Daniel Scheller
In commit 3db30defab4b ("use correct MODULE_LINCESE for GPL v2 only according to notice in header") in the upstream repository for the mentioned four drivers at https://github.com/DigitalDevices/dddvb.git (plus a few more which aren't part of the mainline kernel tree), the MODULE_LICENSE was fixed to "GPL v2" and are now in sync with the GPL copyright boilerplate. Apply this change to the kernel tree drivers as well. Cc: Ralph Metzler <rjkm@metzlerbros.de> Cc: Manfred Voelkel <mvoelkel@DigitalDevices.de> Signed-off-by: Daniel Scheller <d.scheller@gmx.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-05-04media: ddbridge: add hardware defs and PCI IDs for MCI cardsDaniel Scheller
Add PCI IDs and ddb_info for the new MCI-based MaxSX8 cards. Also add needed defines so the cards can be hooked up into ddbridge's probe and attach handling. Picked up from the upstream dddvb-0.9.33 release. Signed-off-by: Daniel Scheller <d.scheller@gmx.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-05-04media: ddbridge: set devid entry for link 0Daniel Scheller
Currently, /sys/class/ddbridgeX/devid always reports 0 due to devid not being set at all. Set the devid field alongside while storing all other hardware ID data. Picked up from the upstream dddvb-0.9.33 release. Signed-off-by: Daniel Scheller <d.scheller@gmx.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-05-04media: ddbridge: request/free_irq using pci_irq_vector, enable MSI-XDaniel Scheller
Instead of trying to manage IRQ numbers on itself, utilise the pci_irq_vector() function to do this, which will take care of correct IRQ numbering for MSI and non-MSI IRQs. While at it, request and enable MSI-X interrupts for hardware (boards and cards) that support this. Picked up from the upstream dddvb-0.9.33 release. Signed-off-by: Daniel Scheller <d.scheller@gmx.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-05-04media: ddbridge: move MSI IRQ cleanup to a helper functionDaniel Scheller
Introduce the ddb_msi_exit() helper to be used for cleaning up previously allocated MSI IRQ vectors. Deduplicates code and makes things look cleaner as for all cleanup work the CONFIG_PCI_MSI ifdeffery is only needed in the helper now. Also, replace the call to the deprecated pci_disable_msi() function with pci_free_irq_vectors(). Picked up from the upstream dddvb-0.9.33 release. Signed-off-by: Daniel Scheller <d.scheller@gmx.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-05-04media: ddbridge: move ddb_wq and the wq+class initialisation to -coreDaniel Scheller
Move the ddbridge module initialisation and cleanup code to ddbridge-core and set up the ddb_wq workqueue there, and create and destroy the ddb device class there aswell. Due to this, the prototypes for ddb_wq, ddb_class_create() and ddb_class_destroy() aren't required in ddbridge.h anymore, so remove them. Also, declare ddb_wq and the ddb_class_*() functions static. Picked up from the upstream dddvb-0.9.33 release. Signed-off-by: Daniel Scheller <d.scheller@gmx.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-05-04media: ddbridge: move modparams to ddbridge-core.cDaniel Scheller
Besides the 'msi' module option, all options are used from within ddbridge-core only, so move them over from ddbridge-main, and declare the associated variables static. Since the prototypes in ddbridge.h aren't necessary anymore now, remove them. As a side effect, this has the benefit of aligning things more with the dddvb upstream. Signed-off-by: Daniel Scheller <d.scheller@gmx.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2017-12-11media: ddbridge: fixup checkpatch-strict issuesDaniel Scheller
Fixes several alignment, braces, space-before-cast, camelcase et al issues reported by checkpatch --strict, plus a few more checkpatch didn't report. Three checks are left after this though: - one CamelCase in ddbridge-core, related to defines/vars/enums referenced from the stv090x demod driver - one macro argument reuse in ddbridge-core aswell - one unbalanced braces around else in ddbridge-main, which is due to #ifdefs related to CONFIG_PCI_MSI, which preferrably should be kept as-is for readability. Signed-off-by: Daniel Scheller <d.scheller@gmx.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-08-20media: ddbridge: move ddb_unmap(), cleanup modparamsDaniel Scheller
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>
2017-08-20media: ddbridge: move device ID table to ddbridge-hwDaniel Scheller
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>
2017-08-20media: ddbridge: support MaxLinear MXL5xx based cards (MaxS4/8)Daniel Scheller
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>
2017-08-20media: ddbridge: Kconfig option to control the MSI modparam defaultDaniel Scheller
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>
2017-08-20media: ddbridge: split off hardware definitions and mappingsDaniel Scheller
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>
2017-08-20media: ddbridge: split I/O related functions off from ddbridge.hDaniel Scheller
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>
2017-08-20media: ddbridge: bump ddbridge code to version 0.9.29Daniel Scheller
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>
2017-08-09media: ddbridge: split code into multiple filesDaniel Scheller
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>