xref: /OK3568_Linux_fs/u-boot/drivers/net/fsl-mc/dpio/dpio.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (C) 2013-2015 Freescale Semiconductor
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #include <fsl-mc/fsl_mc_sys.h>
8*4882a593Smuzhiyun #include <fsl-mc/fsl_mc_cmd.h>
9*4882a593Smuzhiyun #include <fsl-mc/fsl_dpio.h>
10*4882a593Smuzhiyun 
dpio_open(struct fsl_mc_io * mc_io,uint32_t cmd_flags,int dpio_id,uint16_t * token)11*4882a593Smuzhiyun int dpio_open(struct fsl_mc_io *mc_io,
12*4882a593Smuzhiyun 	      uint32_t cmd_flags,
13*4882a593Smuzhiyun 	      int dpio_id,
14*4882a593Smuzhiyun 	      uint16_t *token)
15*4882a593Smuzhiyun {
16*4882a593Smuzhiyun 	struct mc_command cmd = { 0 };
17*4882a593Smuzhiyun 	int err;
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun 	/* prepare command */
20*4882a593Smuzhiyun 	cmd.header = mc_encode_cmd_header(DPIO_CMDID_OPEN,
21*4882a593Smuzhiyun 					  cmd_flags,
22*4882a593Smuzhiyun 					  0);
23*4882a593Smuzhiyun 	DPIO_CMD_OPEN(cmd, dpio_id);
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun 	/* send command to mc*/
26*4882a593Smuzhiyun 	err = mc_send_command(mc_io, &cmd);
27*4882a593Smuzhiyun 	if (err)
28*4882a593Smuzhiyun 		return err;
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun 	/* retrieve response parameters */
31*4882a593Smuzhiyun 	*token = MC_CMD_HDR_READ_TOKEN(cmd.header);
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun 	return 0;
34*4882a593Smuzhiyun }
35*4882a593Smuzhiyun 
dpio_close(struct fsl_mc_io * mc_io,uint32_t cmd_flags,uint16_t token)36*4882a593Smuzhiyun int dpio_close(struct fsl_mc_io *mc_io,
37*4882a593Smuzhiyun 	       uint32_t cmd_flags,
38*4882a593Smuzhiyun 	       uint16_t token)
39*4882a593Smuzhiyun {
40*4882a593Smuzhiyun 	struct mc_command cmd = { 0 };
41*4882a593Smuzhiyun 
42*4882a593Smuzhiyun 	/* prepare command */
43*4882a593Smuzhiyun 	cmd.header = mc_encode_cmd_header(DPIO_CMDID_CLOSE,
44*4882a593Smuzhiyun 					  cmd_flags,
45*4882a593Smuzhiyun 					  token);
46*4882a593Smuzhiyun 
47*4882a593Smuzhiyun 	/* send command to mc*/
48*4882a593Smuzhiyun 	return mc_send_command(mc_io, &cmd);
49*4882a593Smuzhiyun }
50*4882a593Smuzhiyun 
dpio_create(struct fsl_mc_io * mc_io,uint32_t cmd_flags,const struct dpio_cfg * cfg,uint16_t * token)51*4882a593Smuzhiyun int dpio_create(struct fsl_mc_io *mc_io,
52*4882a593Smuzhiyun 		uint32_t cmd_flags,
53*4882a593Smuzhiyun 		const struct dpio_cfg *cfg,
54*4882a593Smuzhiyun 		uint16_t *token)
55*4882a593Smuzhiyun {
56*4882a593Smuzhiyun 	struct mc_command cmd = { 0 };
57*4882a593Smuzhiyun 	int err;
58*4882a593Smuzhiyun 
59*4882a593Smuzhiyun 	/* prepare command */
60*4882a593Smuzhiyun 	cmd.header = mc_encode_cmd_header(DPIO_CMDID_CREATE,
61*4882a593Smuzhiyun 					  cmd_flags,
62*4882a593Smuzhiyun 					  0);
63*4882a593Smuzhiyun 	DPIO_CMD_CREATE(cmd, cfg);
64*4882a593Smuzhiyun 
65*4882a593Smuzhiyun 	/* send command to mc*/
66*4882a593Smuzhiyun 	err = mc_send_command(mc_io, &cmd);
67*4882a593Smuzhiyun 	if (err)
68*4882a593Smuzhiyun 		return err;
69*4882a593Smuzhiyun 
70*4882a593Smuzhiyun 	/* retrieve response parameters */
71*4882a593Smuzhiyun 	*token = MC_CMD_HDR_READ_TOKEN(cmd.header);
72*4882a593Smuzhiyun 
73*4882a593Smuzhiyun 	return 0;
74*4882a593Smuzhiyun }
75*4882a593Smuzhiyun 
dpio_destroy(struct fsl_mc_io * mc_io,uint32_t cmd_flags,uint16_t token)76*4882a593Smuzhiyun int dpio_destroy(struct fsl_mc_io *mc_io,
77*4882a593Smuzhiyun 		 uint32_t cmd_flags,
78*4882a593Smuzhiyun 		 uint16_t token)
79*4882a593Smuzhiyun {
80*4882a593Smuzhiyun 	struct mc_command cmd = { 0 };
81*4882a593Smuzhiyun 
82*4882a593Smuzhiyun 	/* prepare command */
83*4882a593Smuzhiyun 	cmd.header = mc_encode_cmd_header(DPIO_CMDID_DESTROY,
84*4882a593Smuzhiyun 					  cmd_flags,
85*4882a593Smuzhiyun 					  token);
86*4882a593Smuzhiyun 
87*4882a593Smuzhiyun 	/* send command to mc*/
88*4882a593Smuzhiyun 	return mc_send_command(mc_io, &cmd);
89*4882a593Smuzhiyun }
90*4882a593Smuzhiyun 
dpio_enable(struct fsl_mc_io * mc_io,uint32_t cmd_flags,uint16_t token)91*4882a593Smuzhiyun int dpio_enable(struct fsl_mc_io *mc_io,
92*4882a593Smuzhiyun 		uint32_t cmd_flags,
93*4882a593Smuzhiyun 		uint16_t token)
94*4882a593Smuzhiyun {
95*4882a593Smuzhiyun 	struct mc_command cmd = { 0 };
96*4882a593Smuzhiyun 
97*4882a593Smuzhiyun 	/* prepare command */
98*4882a593Smuzhiyun 	cmd.header = mc_encode_cmd_header(DPIO_CMDID_ENABLE,
99*4882a593Smuzhiyun 					  cmd_flags,
100*4882a593Smuzhiyun 					  token);
101*4882a593Smuzhiyun 
102*4882a593Smuzhiyun 	/* send command to mc*/
103*4882a593Smuzhiyun 	return mc_send_command(mc_io, &cmd);
104*4882a593Smuzhiyun }
105*4882a593Smuzhiyun 
dpio_disable(struct fsl_mc_io * mc_io,uint32_t cmd_flags,uint16_t token)106*4882a593Smuzhiyun int dpio_disable(struct fsl_mc_io *mc_io,
107*4882a593Smuzhiyun 		 uint32_t cmd_flags,
108*4882a593Smuzhiyun 		 uint16_t token)
109*4882a593Smuzhiyun {
110*4882a593Smuzhiyun 	struct mc_command cmd = { 0 };
111*4882a593Smuzhiyun 
112*4882a593Smuzhiyun 	/* prepare command */
113*4882a593Smuzhiyun 	cmd.header = mc_encode_cmd_header(DPIO_CMDID_DISABLE,
114*4882a593Smuzhiyun 					  cmd_flags,
115*4882a593Smuzhiyun 					  token);
116*4882a593Smuzhiyun 
117*4882a593Smuzhiyun 	/* send command to mc*/
118*4882a593Smuzhiyun 	return mc_send_command(mc_io, &cmd);
119*4882a593Smuzhiyun }
120*4882a593Smuzhiyun 
dpio_reset(struct fsl_mc_io * mc_io,uint32_t cmd_flags,uint16_t token)121*4882a593Smuzhiyun int dpio_reset(struct fsl_mc_io *mc_io,
122*4882a593Smuzhiyun 	       uint32_t cmd_flags,
123*4882a593Smuzhiyun 	       uint16_t token)
124*4882a593Smuzhiyun {
125*4882a593Smuzhiyun 	struct mc_command cmd = { 0 };
126*4882a593Smuzhiyun 
127*4882a593Smuzhiyun 	/* prepare command */
128*4882a593Smuzhiyun 	cmd.header = mc_encode_cmd_header(DPIO_CMDID_RESET,
129*4882a593Smuzhiyun 					  cmd_flags,
130*4882a593Smuzhiyun 					  token);
131*4882a593Smuzhiyun 
132*4882a593Smuzhiyun 	/* send command to mc*/
133*4882a593Smuzhiyun 	return mc_send_command(mc_io, &cmd);
134*4882a593Smuzhiyun }
135*4882a593Smuzhiyun 
dpio_get_attributes(struct fsl_mc_io * mc_io,uint32_t cmd_flags,uint16_t token,struct dpio_attr * attr)136*4882a593Smuzhiyun int dpio_get_attributes(struct fsl_mc_io *mc_io,
137*4882a593Smuzhiyun 			uint32_t cmd_flags,
138*4882a593Smuzhiyun 			uint16_t token,
139*4882a593Smuzhiyun 			struct dpio_attr *attr)
140*4882a593Smuzhiyun {
141*4882a593Smuzhiyun 	struct mc_command cmd = { 0 };
142*4882a593Smuzhiyun 	int err;
143*4882a593Smuzhiyun 
144*4882a593Smuzhiyun 	/* prepare command */
145*4882a593Smuzhiyun 	cmd.header = mc_encode_cmd_header(DPIO_CMDID_GET_ATTR,
146*4882a593Smuzhiyun 					  cmd_flags,
147*4882a593Smuzhiyun 					  token);
148*4882a593Smuzhiyun 
149*4882a593Smuzhiyun 	/* send command to mc*/
150*4882a593Smuzhiyun 	err = mc_send_command(mc_io, &cmd);
151*4882a593Smuzhiyun 	if (err)
152*4882a593Smuzhiyun 		return err;
153*4882a593Smuzhiyun 
154*4882a593Smuzhiyun 	/* retrieve response parameters */
155*4882a593Smuzhiyun 	DPIO_RSP_GET_ATTR(cmd, attr);
156*4882a593Smuzhiyun 
157*4882a593Smuzhiyun 	return 0;
158*4882a593Smuzhiyun }
159