1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/gpu/drm/ast/ast_post.h b/drivers/gpu/drm/ast/ast_post.h
new file mode 100644
index 000000000000..aa5d247bebe8
--- /dev/null
+++ b/drivers/gpu/drm/ast/ast_post.h
@@ -0,0 +1,50 @@
+/* SPDX-License-Identifier: MIT */
+
+#ifndef AST_POST_H
+#define AST_POST_H
+
+#include <linux/limits.h>
+#include <linux/types.h>
+
+struct ast_device;
+
+/* DRAM timing tables */
+struct ast_dramstruct {
+	u16 index;
+	u32 data;
+};
+
+/* hardware fields */
+#define __AST_DRAMSTRUCT_DRAM_TYPE      0x0004
+
+/* control commands */
+#define __AST_DRAMSTRUCT_UDELAY         0xff00
+#define __AST_DRAMSTRUCT_INVALID        0xffff
+
+#define __AST_DRAMSTRUCT_INDEX(_name) \
+	(__AST_DRAMSTRUCT_ ## _name)
+
+#define AST_DRAMSTRUCT_INIT(_name, _value) \
+	{ __AST_DRAMSTRUCT_INDEX(_name), (_value) }
+
+#define AST_DRAMSTRUCT_UDELAY(_usecs) \
+	AST_DRAMSTRUCT_INIT(UDELAY, _usecs)
+#define AST_DRAMSTRUCT_INVALID \
+	AST_DRAMSTRUCT_INIT(INVALID, U32_MAX)
+
+#define AST_DRAMSTRUCT_IS(_entry, _name) \
+	((_entry)->index == __AST_DRAMSTRUCT_INDEX(_name))
+
+u32 __ast_mindwm(void __iomem *regs, u32 r);
+void __ast_moutdwm(void __iomem *regs, u32 r, u32 v);
+
+bool mmc_test(struct ast_device *ast, u32 datagen, u8 test_ctl);
+bool mmc_test_burst(struct ast_device *ast, u32 datagen);
+
+/* ast_2000.c */
+void ast_2000_set_def_ext_reg(struct ast_device *ast);
+
+/* ast_2300.c */
+void ast_2300_set_def_ext_reg(struct ast_device *ast);
+
+#endif