path: root/drivers
AgeCommit message (Collapse)Author
2014-07-21mmc: card: retry if transfer aborted due to out of rangeStefan Agner
This works around a issue we see when using eMMC 4.5 on tegra SDHCI host controller.
2014-07-21mmc: tegra: use 1.8V quirk only on affected instancesStefan Agner
The 1.8V quirk also affected the internal eMMC which disabled newer modes such as SDR50, SDR104 and DDR50. This in turn lead to an out of spec usage since the clock was still 50MHz. By creating a no_1v8 field in the platform data we can now enable this work around on a per-instance basis. Hence we enable the quirk only on the controllers which are connected to the external SD-slots.
2014-07-14fbcon: workaround full screen boot-logo issueRaul Munoz
Force round down in division calculating required logo height as preceding code did round up as follows: logo_lines = DIV_ROUND_UP(logo_height, vc->vc_font.height); Which resulted in no boot-logo shown at all due to not enough lines being available.
2014-07-08media: vi driver on Colibri T20 is working againWojciech Bieganski
This commit resolves an issue of non-working vi camera driver on Colibri T20 occured after a l4t-r16-r4 merge.
2014-07-08media: AS0260 camera driver improvementsWojciech Bieganski
2014-05-08media: enabled CSI mode in AS0260 camera driverWojciech Bieganski
2014-04-29arm: tegra: dc: disable dc when framebuffer off detectedStefan Agner
Don't initialize the whole display controller (dc) when framebuffer mode is set to off. This avoids creation of the /dev/tegra_dc_x device. The tegra X driver requires for each tegra_dc_x device an framebuffer device with the same id. This patch avoids creation of both, which makes the tegra X driver load correctly. Note: Turning off tegrafb0 still leads to kernel crash due to hard coded device enumeration.
2014-04-22can: mcp251x: fix locking in BERR counter functionalityMarcel Ziswiler
Symptoms: The interface stops receiving CAN frames when reception of CAN frame and call to the introduced get_berr_counter function coincide. Reproduction: Ip requests, among others, the berr field for the can interfaces. NOTE that it does so even if called as 'ip link show lo', as interface-based filtering is only done after the system calls to receive interface information. Run candump on a MCP-based can interface that has a lot of traffic (via 'cangen -g1' on another can node). On the system with the MCP chip, run while /bin/true; do ip link > /dev/null ; done; Reception of CAN-frames (as shown by candump) will cease within seconds. This issue got introduced by commit 1b59090a47101b4bf379d2c35986ad3f0bcb2aa1 as access to the SPI registers of the MCP251x were not locked. Issue report and patch courtesy David R. Piegdon of Indurad GmbH.
2014-04-22media: added improved Aptina AS0260 driverWojciech Bieganski
Driver features: 1. Supported formats: - Full HD, 1920x1080, 8.5 FPS, YUYV - VGA, 640x480, 30 FPS, YUYV 2. Available controls with enabled AE (auto exposure): - brightness [0...255], - contrast [16...64], - saturation [0...256], - hue [-2200...2200], - gamma [100...280]. 3. Works only in parallell interface mode (CSI in progress). 4. No external tools needed (for i2c).
2014-04-22media: image from analog cameras is back to full speedWojciech Bieganski
This commit restores the full framerate (25 FPS), after a drop to 16 FPS caused by a l4t-r16-r4 merge.
2014-04-22media: added camera settings per decoderWojciech Bieganski
This commit adds settings such as: - values of horizontal/vertical active start, - enabling/disabling internal sync, to the private data of decoders: MAX9526, ADV7180, TVP5150, OV7670 and AS0260. The feature is available through *_tegra_camera_platform_data struct initialised in board-*.c files.
2014-04-04media: a quick fix to make tegra_v4l2_camera module reloadableWojciech Bieganski
2014-04-04media: tegra_v4l2: add CSI pad calibrationBryan Wu
Bug 1369083 Change-Id: I1a81bcb62e8f6bb654ffbebba09661187ab4b512 Signed-off-by: Bryan Wu <> Reviewed-on: http://git-master/r/309536 Tested-by: Vikram Fugro <> Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Kaustubh Purandare <> Reviewed-by: Winnie Hsu <> Reviewed-by: Matthew Pedro <>
2014-04-04media: tegra_v4l2: add dual camera supportBryan Wu
Add support for dual cameras from both CSI-A and CSI-B: - move all the CSI settings into video buffer struct - queue the video buffer struct to a dedicated queue - process one video buffer struct from the queue at one time Bug 1369083 Change-Id: Ie64d69282ab991b66e97327e288a2bacde088bd6 Signed-off-by: Bryan Wu <> Reviewed-on: http://git-master/r/246269 (cherry picked from commit 228b0c2d9ae3fa1121f88836626d654ae0fc4ff0) Reviewed-on: http://git-master/r/279987 Reviewed-by: Matthew Pedro <> Tested-by: Matthew Pedro <> Conflicts: drivers/media/video/tegra_v4l2_camera.c
2014-04-04media: tegra_v4l2: pass platform_data via soc_camera_linkBryan Wu
soc_camera_link supports passing power on/off control callback to soc_camera stack. So the power control can be handled by soc_camera stack instead of our Tegra V4L2 host driver. Also pass other platform_data fields via soc_camera_link instead of a hacking nvhost_device_data struct. Bug 1240806 Bug 1369083 Change-Id: I443a7d28196cc8292805da70d2d5ff1c3cd50a5d Signed-off-by: Bryan Wu <> Reviewed-on: http://git-master/r/246267 (cherry picked from commit 9083d270bf93b583cd5bf5151a52ea250f8541a3) Reviewed-on: http://git-master/r/279986 Reviewed-by: Matthew Pedro <> Tested-by: Matthew Pedro <> Conflicts: drivers/media/video/tegra_v4l2_camera.c
2014-04-04media: tegra: add supporting for RAW8/RAW10 input and outputBryan Wu
CSI host controller of Tegra can support Bayer Raw8 and Raw 10 data input, it also output data as extended 16-bit data format in memory directly. Raw data output should be handled by the second output channel. This patch add supporting for Raw data input/output and the second output channel. All were tested on Cardhu board. Change-Id: Ifd1d8c94671a1d4571dcf176774e2d3cffafc399 Signed-off-by: Bryan Wu <> Reviewed-on: http://git-master/r/200225 Reviewed-by: Automatic_Commit_Validation_User GVS: Gerrit_Virtual_Submit Reviewed-by: Matthew Pedro <> Conflicts: drivers/media/video/tegra_v4l2_camera.c
2014-03-31apalis_t30: ieee 1588 ptp supportMarcel Ziswiler
Enable IEEE 1588 precision time protocol (PTP) support.
2014-03-31apalis_t30: igb: no nvm and Ethernet MAC address handlingMarcel Ziswiler
Springville/i211 with a blank Flash/iNVM use different PCI IDs. Extend the driver to load despite i210/i211 data sheets claiming tools only, not for driver. Only warn rather than fail on NVM validation failures on Apalis T30. Revise Ethernet MAC address assignment: should now handle up to two instances of custom user MACs (2nd one with a 0x100000 offset). This way customer does not have to worry about NVM on a secondary Ethernet on the carrier board and still gets a valid official MAC address from us (e.g. analogous to how we did it on our Protea carrier board). Use the Toradex OUI as default MAC address if no valid one is encountered. Tested on samples of Apalis T30 2GB V1.0B, V1.0C and Apalis T30 1GB V1.0A both with blank NVMs as well as iNVMs programmed with Intel's defaults.
2014-03-31igb: integrate tools only device supportMarcel Ziswiler
Springville/i211 with a blank Flash/iNVM use a different PCI ID (tools only, not for driver) than properly programmed ones.
2014-03-31igb: integrate igb driver 5.1.2Marcel Ziswiler
Integrate latest igb driver version 5.1.2 (igb-5.1.2.tar.gz from
2014-03-31ptp: Add a method for obtaining the device index.Richard Cochran
This commit adds a method that MAC drivers may call in order to find out the device number of their associated PTP Hardware Clock. Signed-off-by: Richard Cochran <> Signed-off-by: David S. Miller <>
2014-03-31ethtool: Centralise validation of ETHTOOL_{G, S}RXFHINDIR parametersBen Hutchings
Add a new ethtool operation (get_rxfh_indir_size) to get the indirectional table size. Use this to validate the user buffer size before calling get_rxfh_indir or set_rxfh_indir. Use get_rxnfc to get the number of RX rings, and validate the contents of the new indirection table before calling set_rxfh_indir. Remove this validation from drivers. Signed-off-by: Ben Hutchings <> Acked-by: Dimitris Michailidis <> Signed-off-by: David S. Miller <>
2014-03-13solved low framerate issue with analog camerasColibri_T30_LinuxImageV2.1Beta3_20140318Colibri_T20_LinuxImageV2.1Beta3_20140318Apalis_T30_LinuxImageV2.1Beta3_20140318Wojciech Bieganski
2014-03-13added Aptina AS0260SOC driverWojciech Bieganski
2014-03-13OV7670 and TVP5150 drivers added, updated configsWojciech Bieganski
2014-03-12Merge branch 'l4t/l4t-r16-r2' into colibriMarcel Ziswiler
Conflicts: drivers/media/video/tegra_v4l2_camera.c reverted to current driver supporting ACM rather than CSI2 drivers/media/video/videobuf2-dma-nvmap.c drivers/video/tegra/host/Makefile
2014-03-10tty: serial: tegra: initialize with lower baudrateStefan Agner
While setup, there is a time the serial port is running on a predefined speed (115200). When data arrived during this phase at a lower baudrate (e.g. 9600), a lot of overrun and break error messages were shown. Due to those messages, the terminal setup never finished, and thus never reached the selected baudrate (e.g. 9600). By choosing a lower baudrate at the startup (9600), a lot less (if any at all) messages are shown and those initialization always succeeds. Another solution would be to disable those messages completely. However, while normal mode its good to have those UART error messages.
2014-02-10video: tegra: fb: colibri_t20: hack avoid 24 Hz modeMarcel Ziswiler
Hack to avoid 24 Hz mode in X resulting in no display at all. This has been encountered using e.g. a Samsung SyncMaster F2380 if connected by HDMI. root@colibri-t20:~# xrandr Screen 0: minimum 256 x 128, current 1920 x 1080, maximum 2048 x 2048 LVDS-1 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 0mm x 0mm 1920x1080 60.0*+ HDMI-1 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 160mm x 90mm 1920x1080 60.0 + 24.0* 1680x1050 59.9 1280x1024 75.0 60.0 1440x900 75.0 59.9 1280x960 60.0 1280x800 59.9 1152x864 75.0 1280x720 60.0 50.0 1024x768 75.0 70.1 60.0 832x624 74.6 800x600 72.2 75.0 60.3 56.2 720x576 50.0 720x480 59.9 640x480 75.0 72.8 66.7 59.9 720x400 70.1 This is really just enabling the same hack from Apalis/Colibri T30 which is now relevant on the Colibri T20 as well due to the modedb changes: 3a6fc5303b9e798295caa01d2cfe75b05fdccf55
2014-02-06video: tegra: check if framebuffer is registredColibri_T30_LinuxImageV2.1Beta2_20140206Colibri_T20_LinuxImageV2.1Beta2_20140207Apalis_T30_LinuxImageV2.1Beta2_20140206Stefan Agner
Before updating modes on HDMI hotplug, check if framebuffer is registered at all. This allows to disable framebuffers completely.
2014-02-04input: touchscreen: fusion: platform independent GPIO descriptionStefan Agner
Use platform independent description for requested GPIOs.
2014-01-29input: touchscreen: fusion: fix error handlingStefan Agner
Fix chip reset by sleeping long enought after reset. Do proper error handling (free GPIO on failure). Use dev_* for message logging to get similar messages for all fusion driver related errors and warnings.
2014-01-29input: touchscreen: fusion: use new I2C PM functionsStefan Agner
To avoid warnings use the new I2C power management function for suspend and resume.
2014-01-29input: touchscreen: added platform data for Fusion touchscreenStefan Agner
Added platform data struct to define interrupt and reset GPIO. This allows to initialize the touchscreen controller inside the driver rather then in each platform and use the driver as a module.
2014-01-29input: touchscreen: fix race condition in Fusion driverStefan Agner
When the next interrupt request apeares between the confirmation of the previous (a write via I2C, fusion_F0710A_write_complete) and the reenable of the GPIO interrupt, the driver hangs and no more touch inputs are reported. This patch moves the confirmation after the reenabling of the GPIO interrupt.
2014-01-29input: touchscreen: add ABS_X/ABS_Y axis for Fusion touchscreenStefan Agner
Recent evdev X-Server input driver implementation complain when only multitouch axes have been reported ("found only multitouch-axes. That shouldn't happen."). Therefor also report the primary touch detection with default axis.
2014-01-29video: tegra: kernel parameters to change RGB clock polarityStefan Agner
Allow to change clock polarity for RGB display output using the keywords outputen/pixclockpol/vsync and hsync. Add them right after the driver specification, use 0/1 to specifiy high/low polarity, e.g. video=tegrafb0:pixclockpol:1,800x480
2014-01-29video: tegra: remove special clocks for Tegra 2Stefan Agner
Remove special clocks for Tegra 2, but use backup clock source instead. This allows to run all common used resolution within the drivers -1/+9% allowed band for pixelclock exactness.
2014-01-24video: tegra: add more modes and tweaked pixelclocks for Tegra 2Stefan Agner
Add some more modes e.g. for full HD panel. Also add tweaked pixel clock for Tegra 2 because the clock is always a child of the peripherial clock and only some divisors are available.
2014-01-24video: tegra: fb: apalis/colibri_t30: hack avoid 24 Hz modeMarcel Ziswiler
Hack to avoid 24 Hz mode in X resulting in no display at all. This has been encountered using e.g. a Samsung SyncMaster F2380 if connected by HDMI. root@apalis-t30:~# xrandr Screen 0: minimum 256 x 128, current 1920 x 1080, maximum 2048 x 2048 LVDS-1 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 0mm x 0mm 1920x1080 58.6*+ HDMI-1 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 160mm x 90mm 1920x1080 60.0*+ 1680x1050 59.9 1280x1024 75.0 60.0 1440x900 75.0 59.9 1280x960 60.0 1280x800 59.9 1152x864 75.0 1280x720 60.0 50.0 1024x768 75.0 70.1 60.0 832x624 74.6 800x600 72.2 75.0 60.3 56.2 720x576 50.0 720x480 59.9 640x480 75.0 72.8 66.7 59.9 720x400 70.1 This is basically a revamp of the following commit which got scrapped by the modedb changes: 8174d21e5fe0d086cb5824161c58eb065f412281
2014-01-22Check null pointers for sysfs callsStefan Agner
When grepping through sysfs, grep tries to read all sysfs files which are available. Some of them lead to error due to null pointers. Therefor check for null pointers before using them.
2014-01-22video: tegra: updated comments, move front_porch work aroundStefan Agner
Updated several comments to make code easier to read and understand. Also use the front_porch workaround in any case, for HDMI output too.
2014-01-09tegra: video: parse multiple modedbsStefan Agner
In order to find a viable resolution we not only parse VESA mode, we also parse CEA (multimedia) modes and our own small modedb (for specific touch screens).
2014-01-09tegra: video: remove unreferenced resolution from tegra_fb_infoStefan Agner
2014-01-09tegra: video: use correct return value for callbackStefan Agner
2014-01-09tegra: video: use new modedb based settingsStefan Agner
Use new modedb based framebuffer settings by defining default_mode in the display controllers platform data. Also impelmented the fallback logic to this default_mode in case no kernel cmd line parameter was set.
2014-01-07tegra: video: use modedb to specify framebuffer resolutionStefan Agner
Allow to specify framebufffer videomode using kernel command line parameters. NVIDIAs binary X driver later on picks up those settings and start X with current mode settings, if no EDID data are available.
2013-12-09iio: adc: add STMPE ADC driver using IIO frameworkStefan Agner
This adds an ADC driver for the STMPE device using the industrial input/output interface. The driver supports raw reading of values. The driver depends on the MFD stmpe driver. If the touchscreen block is enabled too, only for of the 8 ADC channels are available.
2013-12-09mfd: stmpe: add ADC block resourcesStefan Agner
In order to use the auxiliar ADC inputs of STMPE811 devices we need to add resources for the ADC block. Also move the ADC macros from the touchscreen driver to the general header file. We will need them for the ADC driver in future.
2013-12-02regulator: tps6586x: fixed voltage table for TPS658643Stefan Agner
The voltage table for the SM2 regulator on TPS658643 was wrong. However, since the requested voltage of 1.8V was at the right place, the system worked fine nonetheless.
2013-12-02colibri_t20/colibri_t30: don't register KEY_BACK for wakeupStefan Agner
The port used for KEY_BACK does not support wakeup (no wake PIN). Remove the wake flag, this prevents unbalanced irq warning messages.