whiterose

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Kconfig (3448B)


      1 # SPDX-License-Identifier: GPL-2.0
      2 config FB_OMAP2_DSS_INIT
      3 	bool
      4 
      5 config FB_OMAP2_DSS
      6         tristate
      7 	select VIDEOMODE_HELPERS
      8 	select FB_OMAP2_DSS_INIT
      9 	select HDMI
     10 
     11 config FB_OMAP2_DSS_DEBUG
     12 	bool "Debug support"
     13 	help
     14 	  This enables printing of debug messages. Alternatively, debug messages
     15 	  can also be enabled by setting CONFIG_DYNAMIC_DEBUG and then setting
     16 	  appropriate flags in <debugfs>/dynamic_debug/control.
     17 
     18 config FB_OMAP2_DSS_DEBUGFS
     19 	bool "Debugfs filesystem support"
     20 	depends on DEBUG_FS
     21 	help
     22 	  This enables debugfs for OMAPDSS at <debugfs>/omapdss. This enables
     23 	  querying about clock configuration and register configuration of dss,
     24 	  dispc, dsi, hdmi and rfbi.
     25 
     26 config FB_OMAP2_DSS_COLLECT_IRQ_STATS
     27 	bool "Collect DSS IRQ statistics"
     28 	depends on FB_OMAP2_DSS_DEBUGFS
     29 	help
     30 	  Collect DSS IRQ statistics, printable via debugfs.
     31 
     32 	  The statistics can be found from
     33 	  <debugfs>/omapdss/dispc_irq for DISPC interrupts, and
     34 	  <debugfs>/omapdss/dsi_irq for DSI interrupts.
     35 
     36 config FB_OMAP2_DSS_DPI
     37 	bool "DPI support"
     38 	default y
     39 	help
     40 	  DPI Interface. This is the Parallel Display Interface.
     41 
     42 config FB_OMAP2_DSS_RFBI
     43 	bool "RFBI support"
     44 	depends on BROKEN
     45 	help
     46 	  MIPI DBI support (RFBI, Remote Framebuffer Interface, in Texas
     47 	  Instrument's terminology).
     48 
     49 	  DBI is a bus between the host processor and a peripheral,
     50 	  such as a display or a framebuffer chip.
     51 
     52 	  See http://www.mipi.org/ for DBI specifications.
     53 
     54 config FB_OMAP2_DSS_VENC
     55 	bool "VENC support"
     56         default y
     57 	help
     58 	  OMAP Video Encoder support for S-Video and composite TV-out.
     59 
     60 config FB_OMAP2_DSS_HDMI_COMMON
     61 	bool
     62 
     63 config FB_OMAP4_DSS_HDMI
     64 	bool "HDMI support for OMAP4"
     65         default y
     66 	select FB_OMAP2_DSS_HDMI_COMMON
     67 	help
     68 	  HDMI support for OMAP4 based SoCs.
     69 
     70 config FB_OMAP5_DSS_HDMI
     71 	bool "HDMI support for OMAP5"
     72 	select FB_OMAP2_DSS_HDMI_COMMON
     73 	help
     74 	  HDMI Interface for OMAP5 and similar cores. This adds the High
     75 	  Definition Multimedia Interface. See http://www.hdmi.org/ for HDMI
     76 	  specification.
     77 
     78 config FB_OMAP2_DSS_SDI
     79 	bool "SDI support"
     80 	help
     81 	  SDI (Serial Display Interface) support.
     82 
     83 	  SDI is a high speed one-way display serial bus between the host
     84 	  processor and a display.
     85 
     86 config FB_OMAP2_DSS_DSI
     87 	bool "DSI support"
     88 	help
     89 	  MIPI DSI (Display Serial Interface) support.
     90 
     91 	  DSI is a high speed half-duplex serial interface between the host
     92 	  processor and a peripheral, such as a display or a framebuffer chip.
     93 
     94 	  See http://www.mipi.org/ for DSI specifications.
     95 
     96 config FB_OMAP2_DSS_MIN_FCK_PER_PCK
     97 	int "Minimum FCK/PCK ratio (for scaling)"
     98 	range 0 32
     99 	default 0
    100 	help
    101 	  This can be used to adjust the minimum FCK/PCK ratio.
    102 
    103 	  With this you can make sure that DISPC FCK is at least
    104 	  n x PCK. Video plane scaling requires higher FCK than
    105 	  normally.
    106 
    107 	  If this is set to 0, there's no extra constraint on the
    108 	  DISPC FCK. However, the FCK will at minimum be
    109 	  2xPCK (if active matrix) or 3xPCK (if passive matrix).
    110 
    111 	  Max FCK is 173MHz, so this doesn't work if your PCK
    112 	  is very high.
    113 
    114 config FB_OMAP2_DSS_SLEEP_AFTER_VENC_RESET
    115 	bool "Sleep 20ms after VENC reset"
    116 	default y
    117 	help
    118 	  There is a 20ms sleep after VENC reset which seemed to fix the
    119 	  reset. The reason for the bug is unclear, and it's also unclear
    120 	  on what platforms this happens.
    121 
    122 	  This option enables the sleep, and is enabled by default. You can
    123 	  disable the sleep if it doesn't cause problems on your platform.