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1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2013-2016 Freescale Semiconductor, Inc.
4  * Copyright 2017 NXP
5  */
6 
7 #include <fsl-mc/fsl_mc_sys.h>
8 #include <fsl-mc/fsl_mc_cmd.h>
9 #include <fsl-mc/fsl_dpio.h>
10 
dpio_open(struct fsl_mc_io * mc_io,uint32_t cmd_flags,uint32_t dpio_id,uint16_t * token)11 int dpio_open(struct fsl_mc_io *mc_io,
12 	      uint32_t cmd_flags,
13 	      uint32_t dpio_id,
14 	      uint16_t *token)
15 {
16 	struct mc_command cmd = { 0 };
17 	int err;
18 
19 	/* prepare command */
20 	cmd.header = mc_encode_cmd_header(DPIO_CMDID_OPEN,
21 					  cmd_flags,
22 					  0);
23 	DPIO_CMD_OPEN(cmd, dpio_id);
24 
25 	/* send command to mc*/
26 	err = mc_send_command(mc_io, &cmd);
27 	if (err)
28 		return err;
29 
30 	/* retrieve response parameters */
31 	*token = MC_CMD_HDR_READ_TOKEN(cmd.header);
32 
33 	return 0;
34 }
35 
dpio_close(struct fsl_mc_io * mc_io,uint32_t cmd_flags,uint16_t token)36 int dpio_close(struct fsl_mc_io *mc_io,
37 	       uint32_t cmd_flags,
38 	       uint16_t token)
39 {
40 	struct mc_command cmd = { 0 };
41 
42 	/* prepare command */
43 	cmd.header = mc_encode_cmd_header(DPIO_CMDID_CLOSE,
44 					  cmd_flags,
45 					  token);
46 
47 	/* send command to mc*/
48 	return mc_send_command(mc_io, &cmd);
49 }
50 
dpio_create(struct fsl_mc_io * mc_io,uint16_t dprc_token,uint32_t cmd_flags,const struct dpio_cfg * cfg,uint32_t * obj_id)51 int dpio_create(struct fsl_mc_io *mc_io,
52 		uint16_t dprc_token,
53 		uint32_t cmd_flags,
54 		const struct dpio_cfg *cfg,
55 		uint32_t *obj_id)
56 {
57 	struct mc_command cmd = { 0 };
58 	int err;
59 
60 	/* prepare command */
61 	cmd.header = mc_encode_cmd_header(DPIO_CMDID_CREATE,
62 					  cmd_flags,
63 					  dprc_token);
64 	DPIO_CMD_CREATE(cmd, cfg);
65 
66 	/* send command to mc*/
67 	err = mc_send_command(mc_io, &cmd);
68 	if (err)
69 		return err;
70 
71 	/* retrieve response parameters */
72 	MC_CMD_READ_OBJ_ID(cmd, *obj_id);
73 
74 	return 0;
75 }
76 
dpio_destroy(struct fsl_mc_io * mc_io,uint16_t dprc_token,uint32_t cmd_flags,uint32_t obj_id)77 int dpio_destroy(struct fsl_mc_io *mc_io,
78 		 uint16_t dprc_token,
79 		 uint32_t cmd_flags,
80 		 uint32_t obj_id)
81 {
82 	struct mc_command cmd = { 0 };
83 
84 	/* prepare command */
85 	cmd.header = mc_encode_cmd_header(DPIO_CMDID_DESTROY,
86 					  cmd_flags,
87 					  dprc_token);
88 
89 	/* set object id to destroy */
90 	CMD_DESTROY_SET_OBJ_ID_PARAM0(cmd, obj_id);
91 
92 	/* send command to mc*/
93 	return mc_send_command(mc_io, &cmd);
94 }
95 
dpio_enable(struct fsl_mc_io * mc_io,uint32_t cmd_flags,uint16_t token)96 int dpio_enable(struct fsl_mc_io *mc_io,
97 		uint32_t cmd_flags,
98 		uint16_t token)
99 {
100 	struct mc_command cmd = { 0 };
101 
102 	/* prepare command */
103 	cmd.header = mc_encode_cmd_header(DPIO_CMDID_ENABLE,
104 					  cmd_flags,
105 					  token);
106 
107 	/* send command to mc*/
108 	return mc_send_command(mc_io, &cmd);
109 }
110 
dpio_disable(struct fsl_mc_io * mc_io,uint32_t cmd_flags,uint16_t token)111 int dpio_disable(struct fsl_mc_io *mc_io,
112 		 uint32_t cmd_flags,
113 		 uint16_t token)
114 {
115 	struct mc_command cmd = { 0 };
116 
117 	/* prepare command */
118 	cmd.header = mc_encode_cmd_header(DPIO_CMDID_DISABLE,
119 					  cmd_flags,
120 					  token);
121 
122 	/* send command to mc*/
123 	return mc_send_command(mc_io, &cmd);
124 }
125 
dpio_reset(struct fsl_mc_io * mc_io,uint32_t cmd_flags,uint16_t token)126 int dpio_reset(struct fsl_mc_io *mc_io,
127 	       uint32_t cmd_flags,
128 	       uint16_t token)
129 {
130 	struct mc_command cmd = { 0 };
131 
132 	/* prepare command */
133 	cmd.header = mc_encode_cmd_header(DPIO_CMDID_RESET,
134 					  cmd_flags,
135 					  token);
136 
137 	/* send command to mc*/
138 	return mc_send_command(mc_io, &cmd);
139 }
140 
dpio_get_attributes(struct fsl_mc_io * mc_io,uint32_t cmd_flags,uint16_t token,struct dpio_attr * attr)141 int dpio_get_attributes(struct fsl_mc_io *mc_io,
142 			uint32_t cmd_flags,
143 			uint16_t token,
144 			struct dpio_attr *attr)
145 {
146 	struct mc_command cmd = { 0 };
147 	int err;
148 
149 	/* prepare command */
150 	cmd.header = mc_encode_cmd_header(DPIO_CMDID_GET_ATTR,
151 					  cmd_flags,
152 					  token);
153 
154 	/* send command to mc*/
155 	err = mc_send_command(mc_io, &cmd);
156 	if (err)
157 		return err;
158 
159 	/* retrieve response parameters */
160 	DPIO_RSP_GET_ATTR(cmd, attr);
161 
162 	return 0;
163 }
164 
dpio_get_api_version(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 * major_ver,u16 * minor_ver)165 int dpio_get_api_version(struct fsl_mc_io *mc_io,
166 			 u32 cmd_flags,
167 			 u16 *major_ver,
168 			 u16 *minor_ver)
169 {
170 	struct mc_command cmd = { 0 };
171 	int err;
172 
173 	/* prepare command */
174 	cmd.header = mc_encode_cmd_header(DPIO_CMDID_GET_API_VERSION,
175 					  cmd_flags, 0);
176 
177 	/* send command to mc */
178 	err = mc_send_command(mc_io, &cmd);
179 	if (err)
180 		return err;
181 
182 	/* retrieve response parameters */
183 	mc_cmd_read_api_version(&cmd, major_ver, minor_ver);
184 
185 	return 0;
186 }
187