1 /******************************************************************************
2 *
3 * Copyright (C) 2022-2023 Maxim Integrated Products, Inc. (now owned by
4 * Analog Devices, Inc.),
5 * Copyright (C) 2023-2024 Analog Devices, Inc.
6 *
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 *
19 ******************************************************************************/
20
21 /* **** Includes **** */
22 #include <stddef.h>
23 #include "mxc_device.h"
24 #include "mxc_assert.h"
25 #include "gpio.h"
26 #include "gpio_reva.h"
27 #include "gpio_common.h"
28 #include "mxc_sys.h"
29 #include "mxc_errors.h"
30
31 /* **** Functions **** */
32
MXC_GPIO_Init(uint32_t portmask)33 int MXC_GPIO_Init(uint32_t portmask)
34 {
35 if (portmask & MXC_GPIO_PORT_0) {
36 MXC_SYS_ClockEnable(MXC_SYS_PERIPH_CLOCK_GPIO0);
37 }
38
39 if (portmask & MXC_GPIO_PORT_1) {
40 MXC_SYS_ClockEnable(MXC_SYS_PERIPH_CLOCK_GPIO1);
41 }
42
43 return MXC_GPIO_Common_Init(portmask);
44 }
45
MXC_GPIO_Shutdown(uint32_t portmask)46 int MXC_GPIO_Shutdown(uint32_t portmask)
47 {
48 if (portmask & MXC_GPIO_PORT_0) {
49 MXC_SYS_ClockDisable(MXC_SYS_PERIPH_CLOCK_GPIO0);
50 }
51
52 if (portmask & MXC_GPIO_PORT_1) {
53 MXC_SYS_ClockDisable(MXC_SYS_PERIPH_CLOCK_GPIO1);
54 }
55
56 return E_NO_ERROR;
57 }
58
MXC_GPIO_Reset(uint32_t portmask)59 int MXC_GPIO_Reset(uint32_t portmask)
60 {
61 if (portmask & MXC_GPIO_PORT_0) {
62 MXC_SYS_Reset_Periph(MXC_SYS_RESET_GPIO0);
63 }
64
65 if (portmask & MXC_GPIO_PORT_1) {
66 MXC_SYS_Reset_Periph(MXC_SYS_RESET_GPIO1);
67 }
68
69 return E_NO_ERROR;
70 }
71
MXC_GPIO_Config(const mxc_gpio_cfg_t * cfg)72 int MXC_GPIO_Config(const mxc_gpio_cfg_t *cfg)
73 {
74 int error;
75 mxc_gpio_regs_t *gpio = cfg->port;
76
77 // Configure the vssel
78 error = MXC_GPIO_SetVSSEL(gpio, cfg->vssel, cfg->mask);
79 if (error != E_NO_ERROR) {
80 return error;
81 }
82
83 // Configure alternate function
84 error = MXC_GPIO_RevA_SetAF((mxc_gpio_reva_regs_t *)gpio, cfg->func, cfg->mask);
85
86 if (error != E_NO_ERROR) {
87 return error;
88 }
89
90 // Configure the pad
91 switch (cfg->pad) {
92 case MXC_GPIO_PAD_NONE:
93 gpio->pdpu_sel0 &= ~cfg->mask;
94 gpio->pdpu_sel1 &= ~cfg->mask;
95 break;
96
97 case MXC_GPIO_PAD_WEAK_PULL_UP:
98 gpio->pdpu_sel0 |= cfg->mask;
99 gpio->pdpu_sel1 &= ~cfg->mask;
100 gpio->pssel &= ~cfg->mask;
101 break;
102
103 case MXC_GPIO_PAD_PULL_UP:
104 gpio->pdpu_sel0 |= cfg->mask;
105 gpio->pdpu_sel1 &= ~cfg->mask;
106 gpio->pssel |= cfg->mask;
107 break;
108
109 case MXC_GPIO_PAD_WEAK_PULL_DOWN:
110 gpio->pdpu_sel0 &= ~cfg->mask;
111 gpio->pdpu_sel1 |= cfg->mask;
112 gpio->pssel &= ~cfg->mask;
113 break;
114
115 case MXC_GPIO_PAD_PULL_DOWN:
116 gpio->pdpu_sel0 &= ~cfg->mask;
117 gpio->pdpu_sel1 |= cfg->mask;
118 gpio->pssel |= cfg->mask;
119 break;
120
121 default:
122 return E_BAD_PARAM;
123 }
124
125 // Configure the drive strength
126 if (cfg->func == MXC_GPIO_FUNC_IN) {
127 return E_NO_ERROR;
128 } else {
129 return MXC_GPIO_SetDriveStrength(gpio, cfg->drvstr, cfg->mask);
130 }
131 }
132
MXC_GPIO_InGet(mxc_gpio_regs_t * port,uint32_t mask)133 uint32_t MXC_GPIO_InGet(mxc_gpio_regs_t *port, uint32_t mask)
134 {
135 return MXC_GPIO_RevA_InGet((mxc_gpio_reva_regs_t *)port, mask);
136 }
137
MXC_GPIO_OutSet(mxc_gpio_regs_t * port,uint32_t mask)138 void MXC_GPIO_OutSet(mxc_gpio_regs_t *port, uint32_t mask)
139 {
140 MXC_GPIO_RevA_OutSet((mxc_gpio_reva_regs_t *)port, mask);
141 }
142
MXC_GPIO_OutClr(mxc_gpio_regs_t * port,uint32_t mask)143 void MXC_GPIO_OutClr(mxc_gpio_regs_t *port, uint32_t mask)
144 {
145 MXC_GPIO_RevA_OutClr((mxc_gpio_reva_regs_t *)port, mask);
146 }
147
MXC_GPIO_OutGet(mxc_gpio_regs_t * port,uint32_t mask)148 uint32_t MXC_GPIO_OutGet(mxc_gpio_regs_t *port, uint32_t mask)
149 {
150 return MXC_GPIO_RevA_OutGet((mxc_gpio_reva_regs_t *)port, mask);
151 }
152
MXC_GPIO_OutPut(mxc_gpio_regs_t * port,uint32_t mask,uint32_t val)153 void MXC_GPIO_OutPut(mxc_gpio_regs_t *port, uint32_t mask, uint32_t val)
154 {
155 MXC_GPIO_RevA_OutPut((mxc_gpio_reva_regs_t *)port, mask, val);
156 }
157
MXC_GPIO_OutToggle(mxc_gpio_regs_t * port,uint32_t mask)158 void MXC_GPIO_OutToggle(mxc_gpio_regs_t *port, uint32_t mask)
159 {
160 MXC_GPIO_RevA_OutToggle((mxc_gpio_reva_regs_t *)port, mask);
161 }
162
MXC_GPIO_IntConfig(const mxc_gpio_cfg_t * cfg,mxc_gpio_int_pol_t pol)163 int MXC_GPIO_IntConfig(const mxc_gpio_cfg_t *cfg, mxc_gpio_int_pol_t pol)
164 {
165 return MXC_GPIO_RevA_IntConfig(cfg, pol);
166 }
167
MXC_GPIO_EnableInt(mxc_gpio_regs_t * port,uint32_t mask)168 void MXC_GPIO_EnableInt(mxc_gpio_regs_t *port, uint32_t mask)
169 {
170 MXC_GPIO_RevA_EnableInt((mxc_gpio_reva_regs_t *)port, mask);
171 }
172
MXC_GPIO_DisableInt(mxc_gpio_regs_t * port,uint32_t mask)173 void MXC_GPIO_DisableInt(mxc_gpio_regs_t *port, uint32_t mask)
174 {
175 MXC_GPIO_RevA_DisableInt((mxc_gpio_reva_regs_t *)port, mask);
176 }
177
MXC_GPIO_RegisterCallback(const mxc_gpio_cfg_t * cfg,mxc_gpio_callback_fn func,void * cbdata)178 void MXC_GPIO_RegisterCallback(const mxc_gpio_cfg_t *cfg, mxc_gpio_callback_fn func, void *cbdata)
179 {
180 MXC_GPIO_Common_RegisterCallback(cfg, func, cbdata);
181 }
182
MXC_GPIO_Handler(unsigned int port)183 void MXC_GPIO_Handler(unsigned int port)
184 {
185 MXC_GPIO_Common_Handler(port);
186 }
187
MXC_GPIO_ClearFlags(mxc_gpio_regs_t * port,uint32_t flags)188 void MXC_GPIO_ClearFlags(mxc_gpio_regs_t *port, uint32_t flags)
189 {
190 MXC_GPIO_RevA_ClearFlags((mxc_gpio_reva_regs_t *)port, flags);
191 }
192
MXC_GPIO_GetFlags(mxc_gpio_regs_t * port)193 uint32_t MXC_GPIO_GetFlags(mxc_gpio_regs_t *port)
194 {
195 return MXC_GPIO_RevA_GetFlags((mxc_gpio_reva_regs_t *)port);
196 }
197
MXC_GPIO_SetVSSEL(mxc_gpio_regs_t * port,mxc_gpio_vssel_t vssel,uint32_t mask)198 int MXC_GPIO_SetVSSEL(mxc_gpio_regs_t *port, mxc_gpio_vssel_t vssel, uint32_t mask)
199 {
200 return MXC_GPIO_RevA_SetVSSEL((mxc_gpio_reva_regs_t *)port, vssel, mask);
201 }
202
MXC_GPIO_SetWakeEn(mxc_gpio_regs_t * port,uint32_t mask)203 void MXC_GPIO_SetWakeEn(mxc_gpio_regs_t *port, uint32_t mask)
204 {
205 MXC_GPIO_RevA_SetWakeEn((mxc_gpio_reva_regs_t *)port, mask);
206 }
207
MXC_GPIO_ClearWakeEn(mxc_gpio_regs_t * port,uint32_t mask)208 void MXC_GPIO_ClearWakeEn(mxc_gpio_regs_t *port, uint32_t mask)
209 {
210 MXC_GPIO_RevA_ClearWakeEn((mxc_gpio_reva_regs_t *)port, mask);
211 }
212
MXC_GPIO_GetWakeEn(mxc_gpio_regs_t * port)213 uint32_t MXC_GPIO_GetWakeEn(mxc_gpio_regs_t *port)
214 {
215 return MXC_GPIO_RevA_GetWakeEn((mxc_gpio_reva_regs_t *)port);
216 }
217
MXC_GPIO_SetDriveStrength(mxc_gpio_regs_t * port,mxc_gpio_drvstr_t drvstr,uint32_t mask)218 int MXC_GPIO_SetDriveStrength(mxc_gpio_regs_t *port, mxc_gpio_drvstr_t drvstr, uint32_t mask)
219 {
220 return MXC_GPIO_RevA_SetDriveStrength((mxc_gpio_reva_regs_t *)port, drvstr, mask);
221 }
222