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path: root/include/linux/mailbox/mtk-cmdq-mailbox.h
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2020-09-25soc: mediatek: cmdq: add clear option in cmdq_pkt_wfe apiDennis YC Hsieh1-2/+1
Add clear parameter to let client decide if event should be clear to 0 after GCE receive it. Signed-off-by: Dennis YC Hsieh <[email protected]> Acked-by: Chun-Kuang Hu <[email protected]> Link: https://lore.kernel.org/r/[email protected] [mb: fix commit message] Signed-off-by: Matthias Brugger <[email protected]>
2020-09-25soc: mediatek: cmdq: add read_s functionDennis YC Hsieh1-0/+1
Add read_s function in cmdq helper functions which support read value from register or dma physical address into gce internal register. Signed-off-by: Dennis YC Hsieh <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Matthias Brugger <[email protected]>
2020-09-25soc: mediatek: cmdq: add write_s_mask functionDennis YC Hsieh1-0/+1
add write_s_mask function in cmdq helper functions which writes value contains in internal register to address with mask and large dma access support. Signed-off-by: Dennis YC Hsieh <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Matthias Brugger <[email protected]>
2020-09-25soc: mediatek: cmdq: add write_s functionDennis YC Hsieh1-0/+1
add write_s function in cmdq helper functions which writes value contains in internal register to address with large dma access support. Signed-off-by: Dennis YC Hsieh <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Matthias Brugger <[email protected]>
2020-08-07Merge tag 'mailbox-v5.9' of ↵Linus Torvalds1-0/+2
git://git.linaro.org/landing-teams/working/fujitsu/integration Pull mailbox updates from Jassi Brar: "mediatek: - add support for mt6779 gce - shutdown cleanup and address shift support qcom: - add msm8994 apcs and sdm660 hmss compatibility imx: - mark PM funcs __maybe pcc: - put acpi table before bailout misc: - replace http with https links" * tag 'mailbox-v5.9' of git://git.linaro.org/landing-teams/working/fujitsu/integration: mailbox: mediatek: cmdq: clear task in channel before shutdown mailbox: cmdq: support mt6779 gce platform definition mailbox: cmdq: variablize address shift in platform dt-binding: gce: add gce header file for mt6779 mailbox: qcom: Add msm8994 apcs compatible mailbox: qcom: Add sdm660 hmss compatible mailbox: imx: Mark PM functions as __maybe_unused mailbox: pcc: Put the PCCT table for error path mailbox: Replace HTTP links with HTTPS ones
2020-08-03mailbox: cmdq: variablize address shift in platformDennis YC Hsieh1-0/+2
Some gce hardware shift pc and end address in register to support large dram addressing. Implement gce address shift when write or read pc and end register. And add shift bit in platform definition. Signed-off-by: Dennis YC Hsieh <[email protected]> Signed-off-by: Jassi Brar <[email protected]>
2020-06-22soc: mediatek: cmdq: add set event functionDennis YC Hsieh1-0/+1
Add set event function in cmdq helper functions to set specific event. Signed-off-by: Dennis YC Hsieh <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Matthias Brugger <[email protected]>
2020-06-22soc: mediatek: cmdq: add assign functionDennis YC Hsieh1-0/+1
Add assign function in cmdq helper which assign constant value into internal register by index. Signed-off-by: Dennis YC Hsieh <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Matthias Brugger <[email protected]>
2020-01-08soc: mediatek: cmdq: add polling functionBibby Hsieh1-0/+1
add polling function in cmdq helper functions Signed-off-by: Bibby Hsieh <[email protected]> Reviewed-by: CK Hu <[email protected]> Signed-off-by: Matthias Brugger <[email protected]>
2020-01-08soc: mediatek: cmdq: define the instruction structBibby Hsieh1-0/+10
Define an instruction structure for gce driver to append command. This structure can make the client's code more readability. Signed-off-by: Bibby Hsieh <[email protected]> Reviewed-by: CK Hu <[email protected]> Signed-off-by: Matthias Brugger <[email protected]>
2019-09-17mailbox: mediatek: cmdq: clear the event in cmdq initial flowBibby Hsieh1-0/+3
GCE hardware stored event information in own internal sysram, if the initial value in those sysram is not zero value it will cause a situation that gce can wait the event immediately after client ask gce to wait event but not really trigger the corresponding hardware. In order to make sure that the wait event function is exactly correct, we need to clear the sysram value in cmdq initial flow. Fixes: 623a6143a845 ("mailbox: mediatek: Add Mediatek CMDQ driver") Signed-off-by: Bibby Hsieh <[email protected]> Reviewed-by: CK Hu <[email protected]> Reviewed-by: Matthias Brugger <[email protected]> Signed-off-by: Jassi Brar <[email protected]>
2018-08-03mailbox: mediatek: Add Mediatek CMDQ driverHoulong Wei1-0/+77
This patch is first version of Mediatek Command Queue(CMDQ) driver. The CMDQ is used to help write registers with critical time limitation, such as updating display configuration during the vblank. It controls Global Command Engine (GCE) hardware to achieve this requirement. Currently, CMDQ only supports display related hardwares, but we expect it can be extended to other hardwares for future requirements. Signed-off-by: Houlong Wei <[email protected]> Signed-off-by: HS Liao <[email protected]> Signed-off-by: CK Hu <[email protected]> Signed-off-by: Jassi Brar <[email protected]>
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