162306a36Sopenharmony_ci# SPDX-License-Identifier: GPL-2.0 262306a36Sopenharmony_ciconfig FB_OMAP2_DSS_INIT 362306a36Sopenharmony_ci bool 462306a36Sopenharmony_ci 562306a36Sopenharmony_ciconfig FB_OMAP2_DSS 662306a36Sopenharmony_ci tristate 762306a36Sopenharmony_ci select VIDEOMODE_HELPERS 862306a36Sopenharmony_ci select FB_OMAP2_DSS_INIT 962306a36Sopenharmony_ci select HDMI 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ciconfig FB_OMAP2_DSS_DEBUG 1262306a36Sopenharmony_ci bool "Debug support" 1362306a36Sopenharmony_ci help 1462306a36Sopenharmony_ci This enables printing of debug messages. Alternatively, debug messages 1562306a36Sopenharmony_ci can also be enabled by setting CONFIG_DYNAMIC_DEBUG and then setting 1662306a36Sopenharmony_ci appropriate flags in <debugfs>/dynamic_debug/control. 1762306a36Sopenharmony_ci 1862306a36Sopenharmony_ciconfig FB_OMAP2_DSS_DEBUGFS 1962306a36Sopenharmony_ci bool "Debugfs filesystem support" 2062306a36Sopenharmony_ci depends on DEBUG_FS 2162306a36Sopenharmony_ci help 2262306a36Sopenharmony_ci This enables debugfs for OMAPDSS at <debugfs>/omapdss. This enables 2362306a36Sopenharmony_ci querying about clock configuration and register configuration of dss, 2462306a36Sopenharmony_ci dispc, dsi, hdmi and rfbi. 2562306a36Sopenharmony_ci 2662306a36Sopenharmony_ciconfig FB_OMAP2_DSS_COLLECT_IRQ_STATS 2762306a36Sopenharmony_ci bool "Collect DSS IRQ statistics" 2862306a36Sopenharmony_ci depends on FB_OMAP2_DSS_DEBUGFS 2962306a36Sopenharmony_ci help 3062306a36Sopenharmony_ci Collect DSS IRQ statistics, printable via debugfs. 3162306a36Sopenharmony_ci 3262306a36Sopenharmony_ci The statistics can be found from 3362306a36Sopenharmony_ci <debugfs>/omapdss/dispc_irq for DISPC interrupts, and 3462306a36Sopenharmony_ci <debugfs>/omapdss/dsi_irq for DSI interrupts. 3562306a36Sopenharmony_ci 3662306a36Sopenharmony_ciconfig FB_OMAP2_DSS_DPI 3762306a36Sopenharmony_ci bool "DPI support" 3862306a36Sopenharmony_ci default y 3962306a36Sopenharmony_ci help 4062306a36Sopenharmony_ci DPI Interface. This is the Parallel Display Interface. 4162306a36Sopenharmony_ci 4262306a36Sopenharmony_ciconfig FB_OMAP2_DSS_VENC 4362306a36Sopenharmony_ci bool "VENC support" 4462306a36Sopenharmony_ci default y 4562306a36Sopenharmony_ci help 4662306a36Sopenharmony_ci OMAP Video Encoder support for S-Video and composite TV-out. 4762306a36Sopenharmony_ci 4862306a36Sopenharmony_ciconfig FB_OMAP2_DSS_HDMI_COMMON 4962306a36Sopenharmony_ci bool 5062306a36Sopenharmony_ci 5162306a36Sopenharmony_ciconfig FB_OMAP4_DSS_HDMI 5262306a36Sopenharmony_ci bool "HDMI support for OMAP4" 5362306a36Sopenharmony_ci default y 5462306a36Sopenharmony_ci select FB_OMAP2_DSS_HDMI_COMMON 5562306a36Sopenharmony_ci help 5662306a36Sopenharmony_ci HDMI support for OMAP4 based SoCs. 5762306a36Sopenharmony_ci 5862306a36Sopenharmony_ciconfig FB_OMAP5_DSS_HDMI 5962306a36Sopenharmony_ci bool "HDMI support for OMAP5" 6062306a36Sopenharmony_ci select FB_OMAP2_DSS_HDMI_COMMON 6162306a36Sopenharmony_ci help 6262306a36Sopenharmony_ci HDMI Interface for OMAP5 and similar cores. This adds the High 6362306a36Sopenharmony_ci Definition Multimedia Interface. See https://www.hdmi.org/ for HDMI 6462306a36Sopenharmony_ci specification. 6562306a36Sopenharmony_ci 6662306a36Sopenharmony_ciconfig FB_OMAP2_DSS_SDI 6762306a36Sopenharmony_ci bool "SDI support" 6862306a36Sopenharmony_ci help 6962306a36Sopenharmony_ci SDI (Serial Display Interface) support. 7062306a36Sopenharmony_ci 7162306a36Sopenharmony_ci SDI is a high speed one-way display serial bus between the host 7262306a36Sopenharmony_ci processor and a display. 7362306a36Sopenharmony_ci 7462306a36Sopenharmony_ciconfig FB_OMAP2_DSS_DSI 7562306a36Sopenharmony_ci bool "DSI support" 7662306a36Sopenharmony_ci help 7762306a36Sopenharmony_ci MIPI DSI (Display Serial Interface) support. 7862306a36Sopenharmony_ci 7962306a36Sopenharmony_ci DSI is a high speed half-duplex serial interface between the host 8062306a36Sopenharmony_ci processor and a peripheral, such as a display or a framebuffer chip. 8162306a36Sopenharmony_ci 8262306a36Sopenharmony_ci See https://www.mipi.org/ for DSI specifications. 8362306a36Sopenharmony_ci 8462306a36Sopenharmony_ciconfig FB_OMAP2_DSS_MIN_FCK_PER_PCK 8562306a36Sopenharmony_ci int "Minimum FCK/PCK ratio (for scaling)" 8662306a36Sopenharmony_ci range 0 32 8762306a36Sopenharmony_ci default 0 8862306a36Sopenharmony_ci help 8962306a36Sopenharmony_ci This can be used to adjust the minimum FCK/PCK ratio. 9062306a36Sopenharmony_ci 9162306a36Sopenharmony_ci With this you can make sure that DISPC FCK is at least 9262306a36Sopenharmony_ci n x PCK. Video plane scaling requires higher FCK than 9362306a36Sopenharmony_ci normally. 9462306a36Sopenharmony_ci 9562306a36Sopenharmony_ci If this is set to 0, there's no extra constraint on the 9662306a36Sopenharmony_ci DISPC FCK. However, the FCK will at minimum be 9762306a36Sopenharmony_ci 2xPCK (if active matrix) or 3xPCK (if passive matrix). 9862306a36Sopenharmony_ci 9962306a36Sopenharmony_ci Max FCK is 173MHz, so this doesn't work if your PCK 10062306a36Sopenharmony_ci is very high. 10162306a36Sopenharmony_ci 10262306a36Sopenharmony_ciconfig FB_OMAP2_DSS_SLEEP_AFTER_VENC_RESET 10362306a36Sopenharmony_ci bool "Sleep 20ms after VENC reset" 10462306a36Sopenharmony_ci default y 10562306a36Sopenharmony_ci help 10662306a36Sopenharmony_ci There is a 20ms sleep after VENC reset which seemed to fix the 10762306a36Sopenharmony_ci reset. The reason for the bug is unclear, and it's also unclear 10862306a36Sopenharmony_ci on what platforms this happens. 10962306a36Sopenharmony_ci 11062306a36Sopenharmony_ci This option enables the sleep, and is enabled by default. You can 11162306a36Sopenharmony_ci disable the sleep if it doesn't cause problems on your platform. 112