1# SPDX-License-Identifier: GPL-2.0-only
  2config OMAP2_DSS_INIT
  3	bool
  4
  5config OMAP_DSS_BASE
  6	tristate
  7
  8menuconfig OMAP2_DSS
  9	tristate "OMAP2+ Display Subsystem support"
 10	select OMAP_DSS_BASE
 11	select VIDEOMODE_HELPERS
 12	select OMAP2_DSS_INIT
 13	select HDMI
 14	help
 15	  OMAP2+ Display Subsystem support.
 16
 17if OMAP2_DSS
 18
 19config OMAP2_DSS_DEBUG
 20	bool "Debug support"
 21	default n
 22	help
 23	  This enables printing of debug messages. Alternatively, debug messages
 24	  can also be enabled by setting CONFIG_DYNAMIC_DEBUG and then setting
 25	  appropriate flags in <debugfs>/dynamic_debug/control.
 26
 27config OMAP2_DSS_DEBUGFS
 28	bool "Debugfs filesystem support"
 29	depends on DEBUG_FS
 30	default n
 31	help
 32	  This enables debugfs for OMAPDSS at <debugfs>/omapdss. This enables
 33	  querying about clock configuration and register configuration of dss,
 34	  dispc, dsi, hdmi and rfbi.
 35
 36config OMAP2_DSS_COLLECT_IRQ_STATS
 37	bool "Collect DSS IRQ statistics"
 38	depends on OMAP2_DSS_DEBUGFS
 39	default n
 40	help
 41	  Collect DSS IRQ statistics, printable via debugfs.
 42
 43	  The statistics can be found from
 44	  <debugfs>/omapdss/dispc_irq for DISPC interrupts, and
 45	  <debugfs>/omapdss/dsi_irq for DSI interrupts.
 46
 47config OMAP2_DSS_DPI
 48	bool "DPI support"
 49	default y
 50	help
 51	  DPI Interface. This is the Parallel Display Interface.
 52
 53config OMAP2_DSS_VENC
 54	bool "VENC support"
 55	default y
 56	help
 57	  OMAP Video Encoder support for S-Video and composite TV-out.
 58
 59config OMAP2_DSS_HDMI_COMMON
 60	bool
 61
 62config OMAP4_DSS_HDMI
 63	bool "HDMI support for OMAP4"
 64	default y
 65	select OMAP2_DSS_HDMI_COMMON
 66	help
 67	  HDMI support for OMAP4 based SoCs.
 68
 69config OMAP4_DSS_HDMI_CEC
 70	bool "Enable HDMI CEC support for OMAP4"
 71	depends on OMAP4_DSS_HDMI
 72	select CEC_CORE
 73	default y
 74	help
 75	  When selected the HDMI transmitter will support the CEC feature.
 76
 77config OMAP5_DSS_HDMI
 78	bool "HDMI support for OMAP5"
 79	default n
 80	select OMAP2_DSS_HDMI_COMMON
 81	help
 82	  HDMI Interface for OMAP5 and similar cores. This adds the High
 83	  Definition Multimedia Interface. See http://www.hdmi.org/ for HDMI
 84	  specification.
 85
 86config OMAP2_DSS_SDI
 87	bool "SDI support"
 88	default n
 89	help
 90	  SDI (Serial Display Interface) support.
 91
 92	  SDI is a high speed one-way display serial bus between the host
 93	  processor and a display.
 94
 95config OMAP2_DSS_DSI
 96	bool "DSI support"
 97	default n
 98	help
 99	  MIPI DSI (Display Serial Interface) support.
100
101	  DSI is a high speed half-duplex serial interface between the host
102	  processor and a peripheral, such as a display or a framebuffer chip.
103
104	  See http://www.mipi.org/ for DSI specifications.
105
106config OMAP2_DSS_MIN_FCK_PER_PCK
107	int "Minimum FCK/PCK ratio (for scaling)"
108	range 0 32
109	default 0
110	help
111	  This can be used to adjust the minimum FCK/PCK ratio.
112
113	  With this you can make sure that DISPC FCK is at least
114	  n x PCK. Video plane scaling requires higher FCK than
115	  normally.
116
117	  If this is set to 0, there's no extra constraint on the
118	  DISPC FCK. However, the FCK will at minimum be
119	  2xPCK (if active matrix) or 3xPCK (if passive matrix).
120
121	  Max FCK is 173MHz, so this doesn't work if your PCK
122	  is very high.
123
124config OMAP2_DSS_SLEEP_AFTER_VENC_RESET
125	bool "Sleep 20ms after VENC reset"
126	default y
127	help
128	  There is a 20ms sleep after VENC reset which seemed to fix the
129	  reset. The reason for the bug is unclear, and it's also unclear
130	  on what platforms this happens.
131
132	  This option enables the sleep, and is enabled by default. You can
133	  disable the sleep if it doesn't cause problems on your platform.
134
135endif