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-rw-r--r--src/soc/intel/tigerlake/Kconfig12
-rw-r--r--src/soc/intel/tigerlake/Makefile.inc1
-rw-r--r--src/soc/intel/tigerlake/chip.h4
-rw-r--r--src/soc/intel/tigerlake/graphics.c11
4 files changed, 28 insertions, 0 deletions
diff --git a/src/soc/intel/tigerlake/Kconfig b/src/soc/intel/tigerlake/Kconfig
index 83d2e9f64e..37391782d2 100644
--- a/src/soc/intel/tigerlake/Kconfig
+++ b/src/soc/intel/tigerlake/Kconfig
@@ -305,4 +305,16 @@ config PCIEXP_HOTPLUG_PREFETCH_MEM
endif # SOC_INTEL_ENABLE_USB4_PCIE_RESOURCES
+config INTEL_GMA_BCLV_OFFSET
+ default 0xc8258
+
+config INTEL_GMA_BCLV_WIDTH
+ default 32
+
+config INTEL_GMA_BCLM_OFFSET
+ default 0xc8254
+
+config INTEL_GMA_BCLM_WIDTH
+ default 32
+
endif
diff --git a/src/soc/intel/tigerlake/Makefile.inc b/src/soc/intel/tigerlake/Makefile.inc
index 91464b3f50..bce36538ee 100644
--- a/src/soc/intel/tigerlake/Makefile.inc
+++ b/src/soc/intel/tigerlake/Makefile.inc
@@ -31,6 +31,7 @@ ramstage-y += elog.c
ramstage-y += espi.c
ramstage-y += finalize.c
ramstage-y += fsp_params.c
+ramstage-y += graphics.c
ramstage-y += lockdown.c
ramstage-y += lpm.c
ramstage-y += me.c
diff --git a/src/soc/intel/tigerlake/chip.h b/src/soc/intel/tigerlake/chip.h
index b63ff01fda..465dea279a 100644
--- a/src/soc/intel/tigerlake/chip.h
+++ b/src/soc/intel/tigerlake/chip.h
@@ -4,6 +4,7 @@
#define _SOC_CHIP_H_
#include <drivers/i2c/designware/dw_i2c.h>
+#include <drivers/intel/gma/gma.h>
#include <intelblocks/cfg.h>
#include <intelblocks/gpio.h>
#include <intelblocks/gspi.h>
@@ -532,6 +533,9 @@ struct soc_intel_tigerlake_config {
*
*/
bool external_bypass;
+
+ /* i915 struct for GMA backlight control */
+ struct i915_gpu_controller_info gfx;
};
typedef struct soc_intel_tigerlake_config config_t;
diff --git a/src/soc/intel/tigerlake/graphics.c b/src/soc/intel/tigerlake/graphics.c
new file mode 100644
index 0000000000..1696d52053
--- /dev/null
+++ b/src/soc/intel/tigerlake/graphics.c
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <intelblocks/graphics.h>
+#include <soc/ramstage.h>
+
+const struct i915_gpu_controller_info *
+intel_igd_get_controller_info(const struct device *const dev)
+{
+ const struct soc_intel_tigerlake_config *const chip = dev->chip_info;
+ return &chip->gfx;
+}