1# SPDX-License-Identifier: GPL-2.0
2config FB_OMAP2_DSS_INIT
3	bool
4
5config FB_OMAP2_DSS
6        tristate
7	select VIDEOMODE_HELPERS
8	select FB_OMAP2_DSS_INIT
9	select HDMI
10
11config FB_OMAP2_DSS_DEBUG
12	bool "Debug support"
13	default n
14	help
15	  This enables printing of debug messages. Alternatively, debug messages
16	  can also be enabled by setting CONFIG_DYNAMIC_DEBUG and then setting
17	  appropriate flags in <debugfs>/dynamic_debug/control.
18
19config FB_OMAP2_DSS_DEBUGFS
20	bool "Debugfs filesystem support"
21	depends on DEBUG_FS
22	default n
23	help
24	  This enables debugfs for OMAPDSS at <debugfs>/omapdss. This enables
25	  querying about clock configuration and register configuration of dss,
26	  dispc, dsi, hdmi and rfbi.
27
28config FB_OMAP2_DSS_COLLECT_IRQ_STATS
29	bool "Collect DSS IRQ statistics"
30	depends on FB_OMAP2_DSS_DEBUGFS
31	default n
32	help
33	  Collect DSS IRQ statistics, printable via debugfs.
34
35	  The statistics can be found from
36	  <debugfs>/omapdss/dispc_irq for DISPC interrupts, and
37	  <debugfs>/omapdss/dsi_irq for DSI interrupts.
38
39config FB_OMAP2_DSS_DPI
40	bool "DPI support"
41	default y
42	help
43	  DPI Interface. This is the Parallel Display Interface.
44
45config FB_OMAP2_DSS_RFBI
46	bool "RFBI support"
47	depends on BROKEN
48        default n
49	help
50	  MIPI DBI support (RFBI, Remote Framebuffer Interface, in Texas
51	  Instrument's terminology).
52
53	  DBI is a bus between the host processor and a peripheral,
54	  such as a display or a framebuffer chip.
55
56	  See http://www.mipi.org/ for DBI specifications.
57
58config FB_OMAP2_DSS_VENC
59	bool "VENC support"
60        default y
61	help
62	  OMAP Video Encoder support for S-Video and composite TV-out.
63
64config FB_OMAP2_DSS_HDMI_COMMON
65	bool
66
67config FB_OMAP4_DSS_HDMI
68	bool "HDMI support for OMAP4"
69        default y
70	select FB_OMAP2_DSS_HDMI_COMMON
71	help
72	  HDMI support for OMAP4 based SoCs.
73
74config FB_OMAP5_DSS_HDMI
75	bool "HDMI support for OMAP5"
76	default n
77	select FB_OMAP2_DSS_HDMI_COMMON
78	help
79	  HDMI Interface for OMAP5 and similar cores. This adds the High
80	  Definition Multimedia Interface. See http://www.hdmi.org/ for HDMI
81	  specification.
82
83config FB_OMAP2_DSS_SDI
84	bool "SDI support"
85        default n
86	help
87	  SDI (Serial Display Interface) support.
88
89	  SDI is a high speed one-way display serial bus between the host
90	  processor and a display.
91
92config FB_OMAP2_DSS_DSI
93	bool "DSI support"
94        default n
95	help
96	  MIPI DSI (Display Serial Interface) support.
97
98	  DSI is a high speed half-duplex serial interface between the host
99	  processor and a peripheral, such as a display or a framebuffer chip.
100
101	  See http://www.mipi.org/ for DSI specifications.
102
103config FB_OMAP2_DSS_MIN_FCK_PER_PCK
104	int "Minimum FCK/PCK ratio (for scaling)"
105	range 0 32
106	default 0
107	help
108	  This can be used to adjust the minimum FCK/PCK ratio.
109
110	  With this you can make sure that DISPC FCK is at least
111	  n x PCK. Video plane scaling requires higher FCK than
112	  normally.
113
114	  If this is set to 0, there's no extra constraint on the
115	  DISPC FCK. However, the FCK will at minimum be
116	  2xPCK (if active matrix) or 3xPCK (if passive matrix).
117
118	  Max FCK is 173MHz, so this doesn't work if your PCK
119	  is very high.
120
121config FB_OMAP2_DSS_SLEEP_AFTER_VENC_RESET
122	bool "Sleep 20ms after VENC reset"
123	default y
124	help
125	  There is a 20ms sleep after VENC reset which seemed to fix the
126	  reset. The reason for the bug is unclear, and it's also unclear
127	  on what platforms this happens.
128
129	  This option enables the sleep, and is enabled by default. You can
130	  disable the sleep if it doesn't cause problems on your platform.
131