xref: /OK3568_Linux_fs/u-boot/arch/arm/mach-mvebu/serdes/a38x/seq_exec.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (C) Marvell International Ltd. and its affiliates
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #ifndef _SEQ_EXEC_H
8*4882a593Smuzhiyun #define _SEQ_EXEC_H
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun #define NA			0xff
11*4882a593Smuzhiyun #define DEFAULT_PARAM		0
12*4882a593Smuzhiyun #define MV_BOARD_TCLK_ERROR	0xffffffff
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun #define NO_DATA			0xffffffff
15*4882a593Smuzhiyun #define MAX_DATA_ARRAY		5
16*4882a593Smuzhiyun #define FIRST_CELL		0
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun /* Operation types */
19*4882a593Smuzhiyun enum mv_op {
20*4882a593Smuzhiyun 	WRITE_OP,
21*4882a593Smuzhiyun 	DELAY_OP,
22*4882a593Smuzhiyun 	POLL_OP,
23*4882a593Smuzhiyun };
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun /* Operation parameters */
26*4882a593Smuzhiyun struct op_params {
27*4882a593Smuzhiyun 	u32 unit_base_reg;
28*4882a593Smuzhiyun 	u32 unit_offset;
29*4882a593Smuzhiyun 	u32 mask;
30*4882a593Smuzhiyun 	u32 data[MAX_DATA_ARRAY];	/* data array */
31*4882a593Smuzhiyun 	u8 wait_time;			/* msec */
32*4882a593Smuzhiyun 	u16 num_of_loops;		/* for polling only */
33*4882a593Smuzhiyun };
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun /*
36*4882a593Smuzhiyun  * Sequence parameters. Each sequence contains:
37*4882a593Smuzhiyun  * 1. Sequence id.
38*4882a593Smuzhiyun  * 2. Sequence size (total amount of operations during the sequence)
39*4882a593Smuzhiyun  * 3. a series of operations. operations can be write, poll or delay
40*4882a593Smuzhiyun  * 4. index in the data array (the entry where the relevant data sits)
41*4882a593Smuzhiyun  */
42*4882a593Smuzhiyun struct cfg_seq {
43*4882a593Smuzhiyun 	struct op_params *op_params_ptr;
44*4882a593Smuzhiyun 	u8 cfg_seq_size;
45*4882a593Smuzhiyun 	u8 data_arr_idx;
46*4882a593Smuzhiyun };
47*4882a593Smuzhiyun 
48*4882a593Smuzhiyun extern struct cfg_seq serdes_seq_db[];
49*4882a593Smuzhiyun 
50*4882a593Smuzhiyun /*
51*4882a593Smuzhiyun  * A generic function type for executing an operation (write, poll or delay)
52*4882a593Smuzhiyun  */
53*4882a593Smuzhiyun typedef int (*op_execute_func_ptr)(u32 serdes_num, struct op_params *params,
54*4882a593Smuzhiyun 				   u32 data_arr_idx);
55*4882a593Smuzhiyun 
56*4882a593Smuzhiyun /* Specific functions for executing each operation */
57*4882a593Smuzhiyun int write_op_execute(u32 serdes_num, struct op_params *params,
58*4882a593Smuzhiyun 		     u32 data_arr_idx);
59*4882a593Smuzhiyun int delay_op_execute(u32 serdes_num, struct op_params *params,
60*4882a593Smuzhiyun 		     u32 data_arr_idx);
61*4882a593Smuzhiyun int poll_op_execute(u32 serdes_num, struct op_params *params, u32 data_arr_idx);
62*4882a593Smuzhiyun enum mv_op get_cfg_seq_op(struct op_params *params);
63*4882a593Smuzhiyun int mv_seq_exec(u32 serdes_num, u32 seq_id);
64*4882a593Smuzhiyun 
65*4882a593Smuzhiyun #endif /*_SEQ_EXEC_H*/
66