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| author | Nico Huber <nico.h@gmx.de> | 2019-02-18 01:25:58 +0100 |
|---|---|---|
| committer | Nico Huber <nico.h@gmx.de> | 2019-08-05 16:12:53 +0000 |
| commit | b92c4e36837635252c0d2eddf381dc87edfb06c0 (patch) | |
| tree | 083f8dd8220376ea20bb23535eae10adabf477b8 /src | |
| parent | 3071c8114a8ea29b66916b9207d8ac07aad3b676 (diff) | |
| download | coreboot-b92c4e36837635252c0d2eddf381dc87edfb06c0.tar.xz | |
drivers/intel/gma: Export Read_EDID() to C
Change-Id: Icf802904c569e621ca3b3105b6107936776c5cee
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/31458
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/drivers/intel/gma/Kconfig | 5 | ||||
| -rw-r--r-- | src/drivers/intel/gma/Makefile.inc | 2 | ||||
| -rw-r--r-- | src/drivers/intel/gma/gma.adb | 37 | ||||
| -rw-r--r-- | src/drivers/intel/gma/gma.ads | 12 | ||||
| -rw-r--r-- | src/drivers/intel/gma/libgfxinit.h | 13 |
5 files changed, 67 insertions, 2 deletions
diff --git a/src/drivers/intel/gma/Kconfig b/src/drivers/intel/gma/Kconfig index 56c5d43c75..75d268723b 100644 --- a/src/drivers/intel/gma/Kconfig +++ b/src/drivers/intel/gma/Kconfig @@ -54,6 +54,9 @@ config INTEL_GMA_SWSMISCI Select this option for Atom-based platforms which use the SWSMISCI register (0xe0) rather than the SWSCI register (0xe8). +config INTEL_GMA_LIBGFXINIT_EDID + bool + config GFX_GMA_ANALOG_I2C_HDMI_B bool @@ -71,7 +74,7 @@ config GFX_GMA || SOC_INTEL_BROADWELL || SOC_INTEL_SKYLAKE || SOC_INTEL_APOLLOLAKE \ || SOC_INTEL_KABYLAKE || SOC_INTEL_COFFEELAKE \ || SOC_INTEL_WHISKEYLAKE - depends on MAINBOARD_USE_LIBGFXINIT + depends on MAINBOARD_USE_LIBGFXINIT || INTEL_GMA_LIBGFXINIT_EDID select RAMSTAGE_LIBHWBASE config GFX_GMA_INTERNAL_IS_EDP diff --git a/src/drivers/intel/gma/Makefile.inc b/src/drivers/intel/gma/Makefile.inc index e128ad6474..cea319e976 100644 --- a/src/drivers/intel/gma/Makefile.inc +++ b/src/drivers/intel/gma/Makefile.inc @@ -50,7 +50,7 @@ CONFIG_GFX_GMA_DEFAULT_MMIO := 0 # dummy, will be overwritten at runtime subdirs-y += ../../../../3rdparty/libgfxinit -ramstage-y += gma.ads +ramstage-y += gma.ads gma.adb ramstage-$(CONFIG_MAINBOARD_USE_LIBGFXINIT) += gma-gfx_init.ads ifeq ($(CONFIG_LINEAR_FRAMEBUFFER),y) diff --git a/src/drivers/intel/gma/gma.adb b/src/drivers/intel/gma/gma.adb new file mode 100644 index 0000000000..10885e6e09 --- /dev/null +++ b/src/drivers/intel/gma/gma.adb @@ -0,0 +1,37 @@ +with HW.GFX.GMA; +with HW.GFX.GMA.Display_Probing; + +use HW.GFX.GMA; + +package body GMA is + + function read_edid + (raw_edid : out HW.GFX.EDID.Raw_EDID_Data; + port : in Interfaces.C.int) + return Interfaces.C.int + is + use type Interfaces.C.int; + success : Boolean := true; + begin + if port not in Active_Port_Type'Pos (Active_Port_Type'First) + .. Active_Port_Type'Pos (Active_Port_Type'Last) + then + raw_edid := (others => 0); + return -2; + else + if not HW.GFX.GMA.Is_Initialized then + HW.GFX.GMA.Initialize (Success => success); + end if; + if success then + HW.GFX.GMA.Display_Probing.Read_EDID + (raw_edid, Active_Port_Type'Val (port), success); + end if; + if success then + return 0; + else + return -1; + end if; + end if; + end read_edid; + +end GMA; diff --git a/src/drivers/intel/gma/gma.ads b/src/drivers/intel/gma/gma.ads index a6ce3a4f77..0b4b66bde7 100644 --- a/src/drivers/intel/gma/gma.ads +++ b/src/drivers/intel/gma/gma.ads @@ -1,2 +1,14 @@ +with Interfaces.C; + +with HW.GFX.EDID; + package GMA is + + function read_edid + (raw_edid : out HW.GFX.EDID.Raw_EDID_Data; + Port : in Interfaces.C.int) + return Interfaces.C.int + with + Export, Convention => C, External_Name => "gma_read_edid"; + end GMA; diff --git a/src/drivers/intel/gma/libgfxinit.h b/src/drivers/intel/gma/libgfxinit.h index c67870e4e0..c4a8a5b4d2 100644 --- a/src/drivers/intel/gma/libgfxinit.h +++ b/src/drivers/intel/gma/libgfxinit.h @@ -14,6 +14,19 @@ #ifndef DRIVERS_INTEL_GMA_LIBGFXINIT_H #define DRIVERS_INTEL_GMA_LIBGFXINIT_H +enum { + GMA_PORT_DISABLED, + GMA_PORT_INTERNAL, + GMA_PORT_DP1, + GMA_PORT_DP2, + GMA_PORT_DP3, + GMA_PORT_HDMI1, /* or DVI */ + GMA_PORT_HDMI2, /* or DVI */ + GMA_PORT_HDMI3, /* or DVI */ + GMA_PORT_ANALOG, +}; + void gma_gfxinit(int *lightup_ok); +int gma_read_edid(unsigned char edid[], int port); #endif |