1/* SPDX-License-Identifier: MIT */
2
3#ifndef AST_POST_H
4#define AST_POST_H
5
6#include <linux/limits.h>
7#include <linux/types.h>
8
9struct ast_device;
10
11/* DRAM timing tables */
12struct ast_dramstruct {
13 u16 index;
14 u32 data;
15};
16
17/* hardware fields */
18#define __AST_DRAMSTRUCT_DRAM_TYPE 0x0004
19
20/* control commands */
21#define __AST_DRAMSTRUCT_UDELAY 0xff00
22#define __AST_DRAMSTRUCT_INVALID 0xffff
23
24#define __AST_DRAMSTRUCT_INDEX(_name) \
25 (__AST_DRAMSTRUCT_ ## _name)
26
27#define AST_DRAMSTRUCT_INIT(_name, _value) \
28 { __AST_DRAMSTRUCT_INDEX(_name), (_value) }
29
30#define AST_DRAMSTRUCT_UDELAY(_usecs) \
31 AST_DRAMSTRUCT_INIT(UDELAY, _usecs)
32#define AST_DRAMSTRUCT_INVALID \
33 AST_DRAMSTRUCT_INIT(INVALID, U32_MAX)
34
35#define AST_DRAMSTRUCT_IS(_entry, _name) \
36 ((_entry)->index == __AST_DRAMSTRUCT_INDEX(_name))
37
38u32 __ast_mindwm(void __iomem *regs, u32 r);
39void __ast_moutdwm(void __iomem *regs, u32 r, u32 v);
40
41bool mmc_test(struct ast_device *ast, u32 datagen, u8 test_ctl);
42bool mmc_test_burst(struct ast_device *ast, u32 datagen);
43
44/* ast_2000.c */
45void ast_2000_set_def_ext_reg(struct ast_device *ast);
46
47/* ast_2300.c */
48void ast_2300_set_def_ext_reg(struct ast_device *ast);
49
50#endif
51

source code of linux/drivers/gpu/drm/ast/ast_post.h