[PATCH v1 00/19] Add DRM for stih4xx platforms
Benjamin Gaignard
benjamin.gaignard at linaro.org
Tue Apr 8 07:14:56 PDT 2014
You can found the patches here:
git://git.linaro.org/people/benjamin.gaignard/kernel.git
on branch: drm_kms_for_next
Regards,
Benjamin
2014-04-08 14:27 GMT+02:00 Rob Clark <robdclark at gmail.com>:
> On Tue, Apr 8, 2014 at 8:19 AM, Benjamin Gaignard
> <benjamin.gaignard at linaro.org> wrote:
>> This series of patches add the support of DRM/KMS drivers for STMicroelectronics
>> chipsets stih416 and stih407.
>
> *finally* \o/
>
> one small request.. got a git branch somewhere? This patchset is big
> enough that it would be convenient for reviewing to be able to
> git-fetch..
>
> BR,
> -R
>
>> Hardware is split in two main blocks: Compositor and TVout. Each of them
>> includes specific hardware IPs and the display timing are controlled by a specific
>> Video Timing Generator hardware IP (VTG).
>>
>> Compositor is made of the follow hardware IPs:
>> - GDP (Generic Display Pipeline) which is an entry point for graphic (RGB)
>> buffers
>> - VDP (Video Diplay Pipeline) which is an entry point for video (YUV) buffers
>> - HQVDP (High Quality Video Display Processor) that supports scaling,
>> deinterlacing and some miscellaneous image quality improvements.
>> It fetches the Video decoded buffers from memory, processes them and pushes
>> them to the Compositor through a HW dedicated bus.
>> - Mixer is responsible of mixing all the entries depending of their
>> respective z-order and layout
>>
>> TVout is divided in 3 parts:
>> - HDMI to generate HDMI signals, depending of chipset version HDMI phy can
>> change.
>> - HDA to generate signals for HD analog TV
>> - VIP to control/switch data path coming from Compositor
>>
>> On stih416 compositor and Tvout are on different dies so a Video Trafic Advance
>> inter-die Communication mechanism (VTAC) is needed.
>>
>> +---------------------------------------------+ +----------------------------------------+
>> | +-------------------------------+ +----+ | | +----+ +--------------------------+ |
>> | | | | | | | | | | +---------+ +----+ | |
>> | | +----+ +------+ | | | | | | | | | VIP |---->|HDMI| | |
>> | | |GPD +------------->| | | | | | | | | | | | +----+ | |
>> | | +----+ |Mixer |--|-->| | | | | |---|->| switcher| | |
>> | | | | | | | | | | | | | | +----+ | |
>> | | | | | | | | | | | | | |---->|HDA | | |
>> | | +------+ | |VTAC|========>|VTAC| | +---------+ +----+ | |
>> | | | | | | | | | | | |
>> | | Compositor | | | | | | | | TVout | |
>> | +-------------------------------+ | | | | | | +--------------------------+ |
>> | ^ | | | | | | ^ |
>> | | | | | | | | | |
>> | +--------------+ | | | | | | +-------------+ |
>> | | VTG (master) |----->| | | | | |----->| VTG (slave) | |
>> | +--------------+ +----+ | | +----+ +-------------+ |
>> |Digital die | | Analog Die|
>> +---------------------------------------------+ +----------------------------------------+
>>
>> On stih407 Compositor and Tvout are on the same die
>>
>> +-----------------------------------------------------------------+
>> | +-------------------------------+ +--------------------------+ |
>> | | | | +---------+ +----+ | |
>> | | +----+ +------+ | | | VIP |---->|HDMI| | |
>> | | |GPD +------------->| | | | | | +----+ | |
>> | | +----+ |Mixer |--|--|->| switcher| | |
>> | | +----+ +-----+ | | | | | | +----+ | |
>> | | |VDP +-->+HQVDP+--->| | | | | |---->|HDA | | |
>> | | +----+ +-----+ +------+ | | +---------+ +----+ | |
>> | | | | | |
>> | | Compositor | | TVout | |
>> | +-------------------------------+ +--------------------------+ |
>> | ^ ^ |
>> | | | |
>> | +--------------+ |
>> | | VTG | |
>> | +--------------+ |
>> |Digital die |
>> +-----------------------------------------------------------------+
>>
>> In addition of the drivers for the IPs listed before a thin I2C driver (hdmiddc) is used
>> by HDMI driver to retrieve EDID for monitor.
>>
>> To unify interfaces of GDP and VDP we create a "layer" interface called by
>> compositor to control both GPD and VDP.
>>
>> Hardware have memory contraints (alignment, contiguous) so we use CMA drm helpers functions
>> to allocate frame buffer.
>>
>> File naming convention is:
>> - sti_* for IPs drivers
>> - sti_drm_* for drm functions implementation.
>>
>> Benjamin Gaignard (18):
>> drm: sti: add bindings for DRM driver
>> drm: sti: add VTG driver
>> drm: sti: add VTAC drivers
>> drm: sti: add HDMI driver
>> drm: sti: add I2C client driver for HDMI
>> drm: sti: add HDA driver
>> drm: sti: add TVOut driver
>> drm: sti: add sti layer interface definition
>> drm: sti: add GDP layer
>> drm: sti: add VID layer
>> drm: sti: add Mixer
>> drm: sti: add Compositor
>> drm: sti: add debug to GDP
>> drm: sti: add debug to VID
>> drm: sti: add debug to TVout
>> drm: sti: add debug to mixer
>> drm: sti: Add DRM driver itself
>> drm: sti: add HQVDP driver
>>
>> Vincent Abriou (1):
>> drm: sti: rename mixer registers to be main/aux independent
>>
>> .../devicetree/bindings/gpu/st,stih4xx.txt | 177 ++++
>> drivers/gpu/drm/Kconfig | 2 +
>> drivers/gpu/drm/Makefile | 1 +
>> drivers/gpu/drm/sti/Kconfig | 26 +
>> drivers/gpu/drm/sti/Makefile | 23 +
>> drivers/gpu/drm/sti/sti_compositor.c | 189 ++++
>> drivers/gpu/drm/sti/sti_compositor.h | 84 ++
>> drivers/gpu/drm/sti/sti_ddc.c | 56 +
>> drivers/gpu/drm/sti/sti_drm_connector.c | 195 ++++
>> drivers/gpu/drm/sti/sti_drm_connector.h | 16 +
>> drivers/gpu/drm/sti/sti_drm_crtc.c | 440 ++++++++
>> drivers/gpu/drm/sti/sti_drm_crtc.h | 21 +
>> drivers/gpu/drm/sti/sti_drm_drv.c | 484 +++++++++
>> drivers/gpu/drm/sti/sti_drm_drv.h | 48 +
>> drivers/gpu/drm/sti/sti_drm_encoder.c | 201 ++++
>> drivers/gpu/drm/sti/sti_drm_encoder.h | 16 +
>> drivers/gpu/drm/sti/sti_drm_plane.c | 195 ++++
>> drivers/gpu/drm/sti/sti_drm_plane.h | 16 +
>> drivers/gpu/drm/sti/sti_gdp.c | 726 +++++++++++++
>> drivers/gpu/drm/sti/sti_gdp.h | 75 ++
>> drivers/gpu/drm/sti/sti_hda.c | 826 +++++++++++++++
>> drivers/gpu/drm/sti/sti_hda.h | 14 +
>> drivers/gpu/drm/sti/sti_hdmi.c | 1045 +++++++++++++++++++
>> drivers/gpu/drm/sti/sti_hdmi.h | 198 ++++
>> drivers/gpu/drm/sti/sti_hdmi_tx3g0c55phy.c | 398 +++++++
>> drivers/gpu/drm/sti/sti_hdmi_tx3g4c28phy.c | 224 ++++
>> drivers/gpu/drm/sti/sti_hqvdp.c | 1089 ++++++++++++++++++++
>> drivers/gpu/drm/sti/sti_hqvdp.h | 55 +
>> drivers/gpu/drm/sti/sti_hqvdp_lut.h | 373 +++++++
>> drivers/gpu/drm/sti/sti_layer.c | 324 ++++++
>> drivers/gpu/drm/sti/sti_layer.h | 116 +++
>> drivers/gpu/drm/sti/sti_mixer.c | 405 ++++++++
>> drivers/gpu/drm/sti/sti_mixer.h | 54 +
>> drivers/gpu/drm/sti/sti_tvout.c | 863 ++++++++++++++++
>> drivers/gpu/drm/sti/sti_tvout.h | 105 ++
>> drivers/gpu/drm/sti/sti_vid.c | 259 +++++
>> drivers/gpu/drm/sti/sti_vid.h | 34 +
>> drivers/gpu/drm/sti/sti_vtac_rx.c | 140 +++
>> drivers/gpu/drm/sti/sti_vtac_tx.c | 152 +++
>> drivers/gpu/drm/sti/sti_vtac_utils.h | 52 +
>> drivers/gpu/drm/sti/sti_vtg.c | 438 ++++++++
>> drivers/gpu/drm/sti/sti_vtg.h | 20 +
>> drivers/gpu/drm/sti/sti_vtg_utils.c | 99 ++
>> drivers/gpu/drm/sti/sti_vtg_utils.h | 29 +
>> 44 files changed, 10303 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/gpu/st,stih4xx.txt
>> create mode 100644 drivers/gpu/drm/sti/Kconfig
>> create mode 100644 drivers/gpu/drm/sti/Makefile
>> create mode 100644 drivers/gpu/drm/sti/sti_compositor.c
>> create mode 100644 drivers/gpu/drm/sti/sti_compositor.h
>> create mode 100644 drivers/gpu/drm/sti/sti_ddc.c
>> create mode 100644 drivers/gpu/drm/sti/sti_drm_connector.c
>> create mode 100644 drivers/gpu/drm/sti/sti_drm_connector.h
>> create mode 100644 drivers/gpu/drm/sti/sti_drm_crtc.c
>> create mode 100644 drivers/gpu/drm/sti/sti_drm_crtc.h
>> create mode 100644 drivers/gpu/drm/sti/sti_drm_drv.c
>> create mode 100644 drivers/gpu/drm/sti/sti_drm_drv.h
>> create mode 100644 drivers/gpu/drm/sti/sti_drm_encoder.c
>> create mode 100644 drivers/gpu/drm/sti/sti_drm_encoder.h
>> create mode 100644 drivers/gpu/drm/sti/sti_drm_plane.c
>> create mode 100644 drivers/gpu/drm/sti/sti_drm_plane.h
>> create mode 100644 drivers/gpu/drm/sti/sti_gdp.c
>> create mode 100644 drivers/gpu/drm/sti/sti_gdp.h
>> create mode 100644 drivers/gpu/drm/sti/sti_hda.c
>> create mode 100644 drivers/gpu/drm/sti/sti_hda.h
>> create mode 100644 drivers/gpu/drm/sti/sti_hdmi.c
>> create mode 100644 drivers/gpu/drm/sti/sti_hdmi.h
>> create mode 100644 drivers/gpu/drm/sti/sti_hdmi_tx3g0c55phy.c
>> create mode 100644 drivers/gpu/drm/sti/sti_hdmi_tx3g4c28phy.c
>> create mode 100644 drivers/gpu/drm/sti/sti_hqvdp.c
>> create mode 100644 drivers/gpu/drm/sti/sti_hqvdp.h
>> create mode 100644 drivers/gpu/drm/sti/sti_hqvdp_lut.h
>> create mode 100644 drivers/gpu/drm/sti/sti_layer.c
>> create mode 100644 drivers/gpu/drm/sti/sti_layer.h
>> create mode 100644 drivers/gpu/drm/sti/sti_mixer.c
>> create mode 100644 drivers/gpu/drm/sti/sti_mixer.h
>> create mode 100644 drivers/gpu/drm/sti/sti_tvout.c
>> create mode 100644 drivers/gpu/drm/sti/sti_tvout.h
>> create mode 100644 drivers/gpu/drm/sti/sti_vid.c
>> create mode 100644 drivers/gpu/drm/sti/sti_vid.h
>> create mode 100644 drivers/gpu/drm/sti/sti_vtac_rx.c
>> create mode 100644 drivers/gpu/drm/sti/sti_vtac_tx.c
>> create mode 100644 drivers/gpu/drm/sti/sti_vtac_utils.h
>> create mode 100644 drivers/gpu/drm/sti/sti_vtg.c
>> create mode 100644 drivers/gpu/drm/sti/sti_vtg.h
>> create mode 100644 drivers/gpu/drm/sti/sti_vtg_utils.c
>> create mode 100644 drivers/gpu/drm/sti/sti_vtg_utils.h
>>
>> --
>> 1.9.0
>>
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>> http://lists.freedesktop.org/mailman/listinfo/dri-devel
--
Benjamin Gaignard
Graphic Working Group
Linaro.org │ Open source software for ARM SoCs
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