1# SPDX-License-Identifier: GPL-2.0-only 2config DRM_OMAP 3 tristate "OMAP DRM" 4 depends on DRM && OF 5 depends on ARCH_OMAP2PLUS 6 select DRM_KMS_HELPER 7 select FB_DMAMEM_HELPERS if DRM_FBDEV_EMULATION 8 select VIDEOMODE_HELPERS 9 select HDMI 10 default n 11 help 12 DRM display driver for OMAP2/3/4 based boards. 13 14if DRM_OMAP 15 16config OMAP2_DSS_DEBUG 17 bool "Debug support" 18 default n 19 help 20 This enables printing of debug messages. Alternatively, debug messages 21 can also be enabled by setting CONFIG_DYNAMIC_DEBUG and then setting 22 appropriate flags in <debugfs>/dynamic_debug/control. 23 24config OMAP2_DSS_DEBUGFS 25 bool "Debugfs filesystem support" 26 depends on DEBUG_FS 27 default n 28 help 29 This enables debugfs for OMAPDSS at <debugfs>/omapdss. This enables 30 querying about clock configuration and register configuration of dss, 31 dispc, dsi, hdmi and rfbi. 32 33config OMAP2_DSS_COLLECT_IRQ_STATS 34 bool "Collect DSS IRQ statistics" 35 depends on OMAP2_DSS_DEBUGFS 36 default n 37 help 38 Collect DSS IRQ statistics, printable via debugfs. 39 40 The statistics can be found from 41 <debugfs>/omapdss/dispc_irq for DISPC interrupts, and 42 <debugfs>/omapdss/dsi_irq for DSI interrupts. 43 44config OMAP2_DSS_DPI 45 bool "DPI support" 46 default y 47 help 48 DPI Interface. This is the Parallel Display Interface. 49 50config OMAP2_DSS_VENC 51 bool "VENC support" 52 default y 53 help 54 OMAP Video Encoder support for S-Video and composite TV-out. 55 56config OMAP2_DSS_HDMI_COMMON 57 bool 58 59config OMAP4_DSS_HDMI 60 bool "HDMI support for OMAP4" 61 default y 62 select OMAP2_DSS_HDMI_COMMON 63 help 64 HDMI support for OMAP4 based SoCs. 65 66config OMAP4_DSS_HDMI_CEC 67 bool "Enable HDMI CEC support for OMAP4" 68 depends on OMAP4_DSS_HDMI 69 select CEC_CORE 70 default y 71 help 72 When selected the HDMI transmitter will support the CEC feature. 73 74config OMAP5_DSS_HDMI 75 bool "HDMI support for OMAP5" 76 default n 77 select 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 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 OMAP2_DSS_DSI 93 bool "DSI support" 94 default n 95 select DRM_MIPI_DSI 96 help 97 MIPI DSI (Display Serial Interface) support. 98 99 DSI is a high speed half-duplex serial interface between the host 100 processor and a peripheral, such as a display or a framebuffer chip. 101 102 See http://www.mipi.org/ for DSI specifications. 103 104config OMAP2_DSS_MIN_FCK_PER_PCK 105 int "Minimum FCK/PCK ratio (for scaling)" 106 range 0 32 107 default 0 108 help 109 This can be used to adjust the minimum FCK/PCK ratio. 110 111 With this you can make sure that DISPC FCK is at least 112 n x PCK. Video plane scaling requires higher FCK than 113 normally. 114 115 If this is set to 0, there's no extra constraint on the 116 DISPC FCK. However, the FCK will at minimum be 117 2xPCK (if active matrix) or 3xPCK (if passive matrix). 118 119 Max FCK is 173MHz, so this doesn't work if your PCK 120 is very high. 121 122config OMAP2_DSS_SLEEP_AFTER_VENC_RESET 123 bool "Sleep 20ms after VENC reset" 124 default y 125 help 126 There is a 20ms sleep after VENC reset which seemed to fix the 127 reset. The reason for the bug is unclear, and it's also unclear 128 on what platforms this happens. 129 130 This option enables the sleep, and is enabled by default. You can 131 disable the sleep if it doesn't cause problems on your platform. 132 133endif 134