3 files changed, 81 insertions, 0 deletions
diff --git a/drivers/gpu/drm/arm/display/include/malidp_io.h b/drivers/gpu/drm/arm/display/include/malidp_io.h
new file mode 100644
index 000000000000..4fb3caf864ce
--- /dev/null
+++ b/drivers/gpu/drm/arm/display/include/malidp_io.h
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * (C) COPYRIGHT 2018 ARM Limited. All rights reserved.
+ * Author: James.Qian.Wang <james.qian.wang@arm.com>
+ *
+ */
+#ifndef _MALIDP_IO_H_
+#define _MALIDP_IO_H_
+
+#include <linux/io.h>
+
+static inline u32
+malidp_read32(u32 __iomem *base, u32 offset)
+{
+	return readl((base + (offset >> 2)));
+}
+
+static inline void
+malidp_write32(u32 __iomem *base, u32 offset, u32 v)
+{
+	writel(v, (base + (offset >> 2)));
+}
+
+static inline void
+malidp_write32_mask(u32 __iomem *base, u32 offset, u32 m, u32 v)
+{
+	u32 tmp = malidp_read32(base, offset);
+
+	tmp &= (~m);
+	malidp_write32(base, offset, v | tmp);
+}
+
+static inline void
+malidp_write_group(u32 __iomem *base, u32 offset, int num, const u32 *values)
+{
+	int i;
+
+	for (i = 0; i < num; i++)
+		malidp_write32(base, offset + i * 4, values[i]);
+}
+
+#endif /*_MALIDP_IO_H_*/
diff --git a/drivers/gpu/drm/arm/display/include/malidp_product.h b/drivers/gpu/drm/arm/display/include/malidp_product.h
new file mode 100644
index 000000000000..b35fc5db866b
--- /dev/null
+++ b/drivers/gpu/drm/arm/display/include/malidp_product.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * (C) COPYRIGHT 2018 ARM Limited. All rights reserved.
+ * Author: James.Qian.Wang <james.qian.wang@arm.com>
+ *
+ */
+#ifndef _MALIDP_PRODUCT_H_
+#define _MALIDP_PRODUCT_H_
+
+/* Product identification */
+#define MALIDP_CORE_ID(__product, __major, __minor, __status) \
+	((((__product) & 0xFFFF) << 16) | (((__major) & 0xF) << 12) | \
+	(((__minor) & 0xF) << 8) | ((__status) & 0xFF))
+
+#define MALIDP_CORE_ID_PRODUCT_ID(__core_id) ((__u32)(__core_id) >> 16)
+#define MALIDP_CORE_ID_MAJOR(__core_id)      (((__u32)(__core_id) >> 12) & 0xF)
+#define MALIDP_CORE_ID_MINOR(__core_id)      (((__u32)(__core_id) >> 8) & 0xF)
+#define MALIDP_CORE_ID_STATUS(__core_id)     (((__u32)(__core_id)) & 0xFF)
+
+/* Mali-display product IDs */
+#define MALIDP_D71_PRODUCT_ID   0x0071
+
+#endif /* _MALIDP_PRODUCT_H_ */
diff --git a/drivers/gpu/drm/arm/display/include/malidp_utils.h b/drivers/gpu/drm/arm/display/include/malidp_utils.h
new file mode 100644
index 000000000000..63cc47cefcf8
--- /dev/null
+++ b/drivers/gpu/drm/arm/display/include/malidp_utils.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * (C) COPYRIGHT 2018 ARM Limited. All rights reserved.
+ * Author: James.Qian.Wang <james.qian.wang@arm.com>
+ *
+ */
+#ifndef _MALIDP_UTILS_
+#define _MALIDP_UTILS_
+
+#define has_bit(nr, mask)	(BIT(nr) & (mask))
+#define has_bits(bits, mask)	(((bits) & (mask)) == (bits))
+
+#define dp_for_each_set_bit(bit, mask) \
+	for_each_set_bit((bit), ((unsigned long *)&(mask)), sizeof(mask) * 8)
+
+#endif /* _MALIDP_UTILS_ */