[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH V5 0/8] Xilinx DisplayPort.
From: |
Frederic Konrad |
Subject: |
Re: [Qemu-devel] [PATCH V5 0/8] Xilinx DisplayPort. |
Date: |
Mon, 19 Oct 2015 09:43:11 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 |
On 16/10/2015 23:57, Alistair Francis wrote:
> On Fri, Oct 16, 2015 at 6:41 AM, <address@hidden> wrote:
>> From: KONRAD Frederic <address@hidden>
>>
>> This is the fifth version of this patch-set of the implementation of the
>> Xilinx
>> DisplayPort and DPDMA.
>>
>> This fifth version moves some headers files to the right directory.
>>
>> Second patch introduces an AUX bus needed by the DP to read the DPCD.
>> It's also possible to connect an I2C device on it to to I2C through AUX
>> commands. The drivers requires I2C broadcast write to be modeled as well
>> which
>> seems to be missing currently upstream.
>>
>> The tree can be cloned at:
>> address@hidden:fkonrad/xilinx_dp.git branch xilinx_dp_v5_release
> I can't seem to access this, is it public?
>
> Thanks,
>
> Alistair
oops, sorry for that.
Should be ok now.
Thanks,
Fred
>> Details of the DPDMA part:
>> * DPDMA is implemented as a QEMU SYSBUS device.
>> * Interrupts are implemented except the axi error and fifo.
>>
>> Details of the XILINX-DP:
>> * DP is also implemented as a QEMU SYSBUS. Multiple memory regions are used
>> to
>> avoid having a single big region as there are holes in the DP memory map.
>> * An aux-bus has been implemented, it creates a memory map for aux slaves
>> and
>> has an i2c bus (which is already implemented in QEMU).
>> * The normal programmable i2c clock and controller implementation is missing
>> from the QEMU tree so the easiest way for us was to implement a dummy-clk
>> driver in the kernel. It's a clock which does nothing but fakes a clock
>> such
>> that the DPDMA driver works. The patch will be send separately.
>> * The graphic plane works on channel 3, video on channel 0 and audios on
>> channel 4 and 5.
>>
>> Thanks,
>> Fred
>>
>> V4 -> V5 changes:
>> * aux:
>> * Move the header include/hw => include/hw/misc
>> * dpcd:
>> * Move the header hw/display => include/hw/display
>> * i2c-ddc:
>> * Move the header hw/i2c => include/hw/i2c
>> * xlnx_dpdma:
>> * Move the header hw/dma => include/hw/dma
>> * Fix some styles issues.
>> * xlnx_dp:
>> * Move the header hw/display => include/hw/display
>> * globally:
>> * Rebased on current master (c49d3411faae8ffaab8f7e5db47405a008411c10).
>>
>> V3 -> V4 changes:
>> * xlnx_dpdma:
>> * Initialize operation_finished during reset.
>> * Add a function to trigger a VSYNC interrupt from the xlnx_dp.
>> * xlnx_dp:
>> * Fix the default pixman format for video buffer.
>> * Remove unused buffer.
>> * dpcd:
>> * Add the missing DPCD_LANE_X_STATUS.
>> * Set status field for all ports to avoid driver error.
>> * Use 4 lines by default.
>> * Use guest error in case of an outbound access.
>> * i2c broadcast:
>> * Use a list of device instead of relying on broadcast field to remove
>> duped
>> code.
>> * other:
>> * rebased on current master (774ee4772b6838b78741ea52d4bf26b8922244c5)
>>
>> V2 -> V3 changes:
>> * dpcd:
>> * Add a CONFIG_DPCD.
>> * i2c-ddc:
>> * Fill in VMSD.
>> * aux:
>> * Remove address field.
>> * Add a CONFIG_AUX.
>> * dpdma:
>> * Fill in VMSD.
>> * Some coding style changes.
>> * dp:
>> * Fill in VMSD.
>> * Coding style changes.
>>
>> V1 -> V2 changes:
>> * xlnx-zynqmp:
>> * Remove the dummy object_property_add_child(..).
>> * dpcd:
>> * Compile only when the ZYNQMP platform is compiled.
>> * Use qemu_log instead of printf.
>> * Compile test debug traces.
>> * Remove the unused current_reg.
>> * Remove the blank realize.
>> * Use dpcd_ prefixes instead of aux_ prefixes.
>> * Add a reset callback.
>> * Add the VMSD.
>> * Add size constraint in the MemoryRegionOps structure instead of
>> asserting.
>> * Style fixes.
>> * aux:
>> * Compile only when the ZYNQMP platform is compiled.
>> * Remove the class init and the class for aux-slave.
>> * dpdma:
>> * Compile only when the ZYNQMP platform is compiled.
>> * Unify per channel macro in one, simplify the switch case.
>> * Use extractXX.
>> * Make DPDMA_GBL an or'ed register.
>> * dp:
>> * Compile only when the ZYNQMP platform is compiled.
>> * Don't look at the audio channel count.
>> * Use a third pixman plane when we do blending.
>> * other:
>> * Drop the useless "console: add qemu_alloc_display_format." patch as
>> suggested by Gerd.
>> * Rebase on current master (f3e3b083d4c266ea864ae3c83da49d4086857679).
>>
>> KONRAD Frederic (7):
>> i2cbus: remove unused dev field
>> introduce aux-bus
>> i2c: implement broadcast write
>> introduce dpcd module
>> introduce xlnx-dpdma
>> introduce xlnx-dp
>> arm: xlnx-zynqmp: Add xlnx-dp and xlnx-dpdma
>>
>> Peter Maydell (1):
>> hw/i2c-ddc.c: Implement DDC I2C slave
>>
>> default-configs/aarch64-softmmu.mak | 3 +
>> hw/arm/xlnx-zynqmp.c | 20 +
>> hw/display/Makefile.objs | 2 +
>> hw/display/dpcd.c | 171 +++++
>> hw/display/xlnx_dp.c | 1370
>> +++++++++++++++++++++++++++++++++++
>> hw/dma/Makefile.objs | 1 +
>> hw/dma/xlnx_dpdma.c | 788 ++++++++++++++++++++
>> hw/i2c/Makefile.objs | 1 +
>> hw/i2c/core.c | 131 ++--
>> hw/i2c/i2c-ddc.c | 302 ++++++++
>> hw/misc/Makefile.objs | 1 +
>> hw/misc/aux.c | 374 ++++++++++
>> include/hw/arm/xlnx-zynqmp.h | 5 +
>> include/hw/display/dpcd.h | 105 +++
>> include/hw/display/xlnx_dp.h | 110 +++
>> include/hw/dma/xlnx_dpdma.h | 85 +++
>> include/hw/i2c/i2c-ddc.h | 36 +
>> include/hw/misc/aux.h | 125 ++++
>> 18 files changed, 3575 insertions(+), 55 deletions(-)
>> create mode 100644 hw/display/dpcd.c
>> create mode 100644 hw/display/xlnx_dp.c
>> create mode 100644 hw/dma/xlnx_dpdma.c
>> create mode 100644 hw/i2c/i2c-ddc.c
>> create mode 100644 hw/misc/aux.c
>> create mode 100644 include/hw/display/dpcd.h
>> create mode 100644 include/hw/display/xlnx_dp.h
>> create mode 100644 include/hw/dma/xlnx_dpdma.h
>> create mode 100644 include/hw/i2c/i2c-ddc.h
>> create mode 100644 include/hw/misc/aux.h
>>
>> --
>> 1.9.0
>>
>>
- Re: [Qemu-devel] [PATCH V5 3/8] i2c: implement broadcast write, (continued)
- [Qemu-devel] [PATCH V5 4/8] introduce dpcd module, fred . konrad, 2015/10/16
- [Qemu-devel] [PATCH V5 2/8] introduce aux-bus, fred . konrad, 2015/10/16
- [Qemu-devel] [PATCH V5 5/8] hw/i2c-ddc.c: Implement DDC I2C slave, fred . konrad, 2015/10/16
- [Qemu-devel] [PATCH V5 8/8] arm: xlnx-zynqmp: Add xlnx-dp and xlnx-dpdma, fred . konrad, 2015/10/16
- [Qemu-devel] [PATCH V5 7/8] introduce xlnx-dp, fred . konrad, 2015/10/16
- [Qemu-devel] [PATCH V5 6/8] introduce xlnx-dpdma, fred . konrad, 2015/10/16
- Re: [Qemu-devel] [PATCH V5 0/8] Xilinx DisplayPort., Alistair Francis, 2015/10/16
- Re: [Qemu-devel] [PATCH V5 0/8] Xilinx DisplayPort.,
Frederic Konrad <=