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path: root/drivers/video/tc358767.c
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* i2c: introduce device_i2c_driver() macroMarco Felsch2018-10-191-7/+1
| | | | | | | | | Add macro and dependency to avoid boilerplate code. Since now simple i2c drivers only have to include the i2c.h header and call the device_i2c_driver() macro to register a i2c device driver. Signed-off-by: Marco Felsch <m.felsch@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* video: tc358767: don't link AUX i2c adapter to parent OF nodeLucas Stach2018-04-251-1/+0
| | | | | | | | Otherwise the i2c core will try to populate the TC358767 child nodes as i2c devices, which is wrong. Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Merge branch 'for-next/misc'Sascha Hauer2018-04-061-4/+4
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| * video: tc358767: register aux i2c bus after validating linkAndrey Gusakov2018-03-121-4/+4
| | | | | | | | | | | | | | | | | | Register AUX i2c adapter only if AUX link is functional. This should avoid possible hung during tc358767 probe when no display connected. Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | video: tc358767: set num_modes=0 if no valid mode foundAndrey Gusakov2018-03-261-0/+1
|/ | | | | | | | | | Since commit f986661 "video: ipu: register framebuffer, even when no modes are found" value returned from VPL_GET_VIDEOMODES ioctl is ignored. So set valid num_modes in error case to avoid crash in register_framebuffer. Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* remove checks for xzalloc() returning NULLUwe Kleine-König2017-09-261-2/+0
| | | | | | | xzalloc() either returns memory or panics, so checking for NULL is useless. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Merge branch 'for-next/tc358767'Lucas Stach2017-07-311-50/+179
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| * video: tc358767: accept any hsync and vsync polatiryAndrey Gusakov2017-07-061-6/+7
| | | | | | | | | | | | | | | | Do not fix modes. Instead set any sync polarity passed through VPL_PREPARE and fb_videomode. Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
| * video: tc358767: filter out modes with too high pixelclockAndrey Gusakov2017-07-061-0/+83
| | | | | | | | | | | | | | | | | | Minimum pixel clock period is 6.5 nS for DPI. Remove modes with lower pixel clock period. Also sort modes in decreasing order because currently first resolution in list is picked. Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
| * video: tc358767: optimize DPCD register writeAndrey Gusakov2017-07-061-11/+13
| | | | | | | | | | Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
| * video: tc358767: optimize aux i2c bus checksAndrey Gusakov2017-07-061-11/+2
| | | | | | | | | | | | | | | | Move common check to tc_aux_i2c_xfer Remove duplicated check from tc_aux_i2c_write Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
| * video: tc358767: support newer DPCD revisions and higher data ratesAndrey Gusakov2017-07-061-4/+16
| | | | | | | | | | | | | | | | | | Do not fail on newer DPCD revision. Assume it backwards compatible. Try to fall back to supported data rate in case display reports too high data rate. Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
| * video: tc358767: do not fail if sink supports more than 2 lanesAndrey Gusakov2017-07-061-5/+31
| | | | | | | | | | | | | | Display should support lower lane count for backward compatibility Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
| * video: tc358767: fix AUXDATAn registers access during writeAndrey Gusakov2017-07-061-2/+2
| | | | | | | | | | | | | | | | | | First four bytes should go to DP0_AUXWDATA0. Due to bug if len > 4 first four bytes was writen to DP0_AUXWDATA1 and all data get shifted by 4 bytes. Fix it. Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
| * video: tc358767: fix timing calculationAndrey Gusakov2017-07-061-10/+13
| | | | | | | | | | | | | | | | Fields in HTIM01 and HTIM02 regs should be even. Recomended thresh_dly value is max_tu_symbol. Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
| * video: tc358767: fix DP0_MISC register setAndrey Gusakov2017-07-061-2/+2
| | | | | | | | | | | | | | | | Remove shift from TU_SIZE_RECOMMENDED define as it used to calculate max_tu_symbols. Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
| * video: tc358767: fix EDID read for DP displaysAndrey Gusakov2017-07-061-5/+16
| | | | | | | | | | | | | | | | Desktop displays do not always support E-DDC. So do not fall on EDID segment index write operation. Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
* | video: tc358767: demote ASSR enable failure to debug levelLucas Stach2017-07-201-1/+1
|/ | | | | | | Same as in the Linux kernel. Failure to enable ASSR isn't a critical failure and can happen in normal use. Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
* video: tc358767: add copyright linesAndrey Gusakov2017-01-201-0/+2
| | | | | | | Add copyright lines for Zodiac who paid for driver development. Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* video: tc358767: add eDP video encoder driverAndrey Gusakov2016-08-251-0/+1313
This patch adds support for the Toshiba TC358767 eDP bridge, connected via DPI. Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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