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 /* **** Definitions **** */
32
33 /* **** Globals **** */
34
35 /* **** Functions **** */
36
MXC_GPIO_Init(uint32_t portmask)37 int MXC_GPIO_Init(uint32_t portmask)
38 {
39 if (portmask & 0x1) {
40 MXC_SYS_ClockEnable(MXC_SYS_PERIPH_CLOCK_GPIO0);
41 }
42
43 if (portmask & 0x2) {
44 MXC_SYS_ClockEnable(MXC_SYS_PERIPH_CLOCK_GPIO1);
45 }
46
47 return MXC_GPIO_Common_Init(portmask);
48 }
49
MXC_GPIO_Shutdown(uint32_t portmask)50 int MXC_GPIO_Shutdown(uint32_t portmask)
51 {
52 if (portmask & 0x1) {
53 MXC_SYS_ClockDisable(MXC_SYS_PERIPH_CLOCK_GPIO0);
54 }
55
56 if (portmask & 0x2) {
57 MXC_SYS_ClockDisable(MXC_SYS_PERIPH_CLOCK_GPIO1);
58 }
59
60 return E_NO_ERROR;
61 }
62
MXC_GPIO_Reset(uint32_t portmask)63 int MXC_GPIO_Reset(uint32_t portmask)
64 {
65 if (portmask & 0x1) {
66 MXC_SYS_Reset_Periph(MXC_SYS_RESET_GPIO0);
67 }
68
69 if (portmask & 0x2) {
70 MXC_SYS_Reset_Periph(MXC_SYS_RESET_GPIO1);
71 }
72
73 return E_NO_ERROR;
74 }
75
MXC_GPIO_Config(const mxc_gpio_cfg_t * cfg)76 int MXC_GPIO_Config(const mxc_gpio_cfg_t *cfg)
77 {
78 int error;
79 mxc_gpio_regs_t *gpio = cfg->port;
80
81 // Configure the vssel
82 error = MXC_GPIO_SetVSSEL(gpio, cfg->vssel, cfg->mask);
83 if (error != E_NO_ERROR) {
84 return error;
85 }
86
87 // Configure alternate function
88 error = MXC_GPIO_RevA_SetAF((mxc_gpio_reva_regs_t *)gpio, cfg->func, cfg->mask);
89
90 if (error != E_NO_ERROR) {
91 return error;
92 }
93
94 // Configure the pad
95 switch (cfg->pad) {
96 case MXC_GPIO_PAD_NONE:
97 gpio->pad_cfg1 &= ~cfg->mask;
98 gpio->pad_cfg2 &= ~cfg->mask;
99 break;
100
101 case MXC_GPIO_PAD_WEAK_PULL_UP:
102 gpio->pad_cfg1 |= cfg->mask;
103 gpio->pad_cfg2 &= ~cfg->mask;
104 gpio->ps &= ~cfg->mask;
105 break;
106
107 case MXC_GPIO_PAD_PULL_UP:
108 gpio->pad_cfg1 |= cfg->mask;
109 gpio->pad_cfg2 &= ~cfg->mask;
110 gpio->ps |= cfg->mask;
111 break;
112
113 case MXC_GPIO_PAD_WEAK_PULL_DOWN:
114 gpio->pad_cfg1 &= ~cfg->mask;
115 gpio->pad_cfg2 |= cfg->mask;
116 gpio->ps &= ~cfg->mask;
117 break;
118
119 case MXC_GPIO_PAD_PULL_DOWN:
120 gpio->pad_cfg1 &= ~cfg->mask;
121 gpio->pad_cfg2 |= cfg->mask;
122 gpio->ps |= cfg->mask;
123 break;
124
125 default:
126 return E_BAD_PARAM;
127 }
128
129 return E_NO_ERROR;
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
138 /* ************************************************************************** */
MXC_GPIO_OutSet(mxc_gpio_regs_t * port,uint32_t mask)139 void MXC_GPIO_OutSet(mxc_gpio_regs_t *port, uint32_t mask)
140 {
141 MXC_GPIO_RevA_OutSet((mxc_gpio_reva_regs_t *)port, mask);
142 }
143
144 /* ************************************************************************** */
MXC_GPIO_OutClr(mxc_gpio_regs_t * port,uint32_t mask)145 void MXC_GPIO_OutClr(mxc_gpio_regs_t *port, uint32_t mask)
146 {
147 MXC_GPIO_RevA_OutClr((mxc_gpio_reva_regs_t *)port, mask);
148 }
149
150 /* ************************************************************************** */
MXC_GPIO_OutGet(mxc_gpio_regs_t * port,uint32_t mask)151 uint32_t MXC_GPIO_OutGet(mxc_gpio_regs_t *port, uint32_t mask)
152 {
153 return MXC_GPIO_RevA_OutGet((mxc_gpio_reva_regs_t *)port, mask);
154 }
155
156 /* ************************************************************************** */
MXC_GPIO_OutPut(mxc_gpio_regs_t * port,uint32_t mask,uint32_t val)157 void MXC_GPIO_OutPut(mxc_gpio_regs_t *port, uint32_t mask, uint32_t val)
158 {
159 MXC_GPIO_RevA_OutPut((mxc_gpio_reva_regs_t *)port, mask, val);
160 }
161
162 /* ************************************************************************** */
MXC_GPIO_OutToggle(mxc_gpio_regs_t * port,uint32_t mask)163 void MXC_GPIO_OutToggle(mxc_gpio_regs_t *port, uint32_t mask)
164 {
165 MXC_GPIO_RevA_OutToggle((mxc_gpio_reva_regs_t *)port, mask);
166 }
167
168 /* ************************************************************************** */
MXC_GPIO_IntConfig(const mxc_gpio_cfg_t * cfg,mxc_gpio_int_pol_t pol)169 int MXC_GPIO_IntConfig(const mxc_gpio_cfg_t *cfg, mxc_gpio_int_pol_t pol)
170 {
171 return MXC_GPIO_RevA_IntConfig(cfg, pol);
172 }
173
174 /* ************************************************************************** */
MXC_GPIO_EnableInt(mxc_gpio_regs_t * port,uint32_t mask)175 void MXC_GPIO_EnableInt(mxc_gpio_regs_t *port, uint32_t mask)
176 {
177 MXC_GPIO_RevA_EnableInt((mxc_gpio_reva_regs_t *)port, mask);
178 }
179
180 /* ************************************************************************** */
MXC_GPIO_DisableInt(mxc_gpio_regs_t * port,uint32_t mask)181 void MXC_GPIO_DisableInt(mxc_gpio_regs_t *port, uint32_t mask)
182 {
183 MXC_GPIO_RevA_DisableInt((mxc_gpio_reva_regs_t *)port, mask);
184 }
185
186 /* ************************************************************************** */
MXC_GPIO_RegisterCallback(const mxc_gpio_cfg_t * cfg,mxc_gpio_callback_fn func,void * cbdata)187 void MXC_GPIO_RegisterCallback(const mxc_gpio_cfg_t *cfg, mxc_gpio_callback_fn func, void *cbdata)
188 {
189 MXC_GPIO_Common_RegisterCallback(cfg, func, cbdata);
190 }
191
192 /* ************************************************************************** */
MXC_GPIO_Handler(unsigned int port)193 void MXC_GPIO_Handler(unsigned int port)
194 {
195 MXC_GPIO_Common_Handler(port);
196 }
197
198 /* ************************************************************************** */
MXC_GPIO_ClearFlags(mxc_gpio_regs_t * port,uint32_t flags)199 void MXC_GPIO_ClearFlags(mxc_gpio_regs_t *port, uint32_t flags)
200 {
201 MXC_GPIO_RevA_ClearFlags((mxc_gpio_reva_regs_t *)port, flags);
202 }
203
204 /* ************************************************************************** */
MXC_GPIO_GetFlags(mxc_gpio_regs_t * port)205 uint32_t MXC_GPIO_GetFlags(mxc_gpio_regs_t *port)
206 {
207 return MXC_GPIO_RevA_GetFlags((mxc_gpio_reva_regs_t *)port);
208 }
209
210 /* ************************************************************************** */
MXC_GPIO_SetVSSEL(mxc_gpio_regs_t * port,mxc_gpio_vssel_t vssel,uint32_t mask)211 int MXC_GPIO_SetVSSEL(mxc_gpio_regs_t *port, mxc_gpio_vssel_t vssel, uint32_t mask)
212 {
213 return MXC_GPIO_RevA_SetVSSEL((mxc_gpio_reva_regs_t *)port, vssel, mask);
214 }
215
216 /* ************************************************************************** */
MXC_GPIO_SetWakeEn(mxc_gpio_regs_t * port,uint32_t mask)217 void MXC_GPIO_SetWakeEn(mxc_gpio_regs_t *port, uint32_t mask)
218 {
219 MXC_GPIO_RevA_SetWakeEn((mxc_gpio_reva_regs_t *)port, mask);
220 }
221
222 /* ************************************************************************** */
MXC_GPIO_ClearWakeEn(mxc_gpio_regs_t * port,uint32_t mask)223 void MXC_GPIO_ClearWakeEn(mxc_gpio_regs_t *port, uint32_t mask)
224 {
225 MXC_GPIO_RevA_ClearWakeEn((mxc_gpio_reva_regs_t *)port, mask);
226 }
227
228 /* ************************************************************************** */
MXC_GPIO_GetWakeEn(mxc_gpio_regs_t * port)229 uint32_t MXC_GPIO_GetWakeEn(mxc_gpio_regs_t *port)
230 {
231 return MXC_GPIO_RevA_GetWakeEn((mxc_gpio_reva_regs_t *)port);
232 }
233
234 /* ************************************************************************** */
MXC_GPIO_SetDriveStrength(mxc_gpio_regs_t * port,mxc_gpio_drvstr_t drvstr,uint32_t mask)235 int MXC_GPIO_SetDriveStrength(mxc_gpio_regs_t *port, mxc_gpio_drvstr_t drvstr, uint32_t mask)
236 {
237 return MXC_GPIO_RevA_SetDriveStrength((mxc_gpio_reva_regs_t *)port, drvstr, mask);
238 }
239