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 #include <stddef.h>
22 #include <stdint.h>
23 #include "mxc_errors.h"
24 #include "mxc_assert.h"
25 #include "mxc_lock.h"
26 #include "mxc_sys.h"
27 #include "mxc_pins.h"
28 #include "gpio.h"
29 #include "dma.h"
30 #include "i2s.h"
31 #include "i2s_reva.h"
32
33 int dma_channel = -1;
34 mxc_i2s_direction_t dir;
35
36 /* ************************************************************************* */
MXC_I2S_Init(const mxc_i2s_config_t * cfg,void (* dma_ctz_cb)(int,int))37 int MXC_I2S_Init(const mxc_i2s_config_t *cfg, void (*dma_ctz_cb)(int, int))
38 {
39 #ifndef MSDK_NO_GPIO_CLK_INIT
40 MXC_SYS_ClockEnable(MXC_SYS_PERIPH_CLOCK_I2S);
41 MXC_GPIO_Config(&gpio_cfg_i2s);
42 #endif
43
44 return MXC_I2S_RevA_Init((mxc_spimss_reva_regs_t *)MXC_SPIMSS, cfg, dma_ctz_cb);
45 }
46
47 /* ************************************************************************* */
MXC_I2S_Shutdown(void)48 int MXC_I2S_Shutdown(void)
49 {
50 MXC_SYS_ClockDisable(MXC_SYS_PERIPH_CLOCK_I2S);
51 return MXC_I2S_RevA_Shutdown((mxc_spimss_reva_regs_t *)MXC_SPIMSS);
52 }
53
54 /* ************************************************************************* */
MXC_I2S_Mute(void)55 int MXC_I2S_Mute(void)
56 {
57 return MXC_I2S_RevA_Mute((mxc_spimss_reva_regs_t *)MXC_SPIMSS);
58 }
59
60 /* ************************************************************************* */
MXC_I2S_Unmute(void)61 int MXC_I2S_Unmute(void)
62 {
63 return MXC_I2S_RevA_Unmute((mxc_spimss_reva_regs_t *)MXC_SPIMSS);
64 }
65
66 /* ************************************************************************* */
MXC_I2S_Pause(void)67 int MXC_I2S_Pause(void)
68 {
69 return MXC_I2S_RevA_Pause((mxc_spimss_reva_regs_t *)MXC_SPIMSS);
70 }
71
72 /* ************************************************************************* */
MXC_I2S_Unpause(void)73 int MXC_I2S_Unpause(void)
74 {
75 return MXC_I2S_RevA_Unpause((mxc_spimss_reva_regs_t *)MXC_SPIMSS);
76 }
77
78 /* ************************************************************************* */
MXC_I2S_Stop(void)79 int MXC_I2S_Stop(void)
80 {
81 return MXC_I2S_RevA_Stop((mxc_spimss_reva_regs_t *)MXC_SPIMSS);
82 }
83
84 /* ************************************************************************* */
MXC_I2S_Start(void)85 int MXC_I2S_Start(void)
86 {
87 return MXC_I2S_RevA_Start((mxc_spimss_reva_regs_t *)MXC_SPIMSS);
88 }
89
90 /* ************************************************************************* */
MXC_I2S_DMA_ClearFlags(void)91 int MXC_I2S_DMA_ClearFlags(void)
92 {
93 return MXC_I2S_RevA_DMA_ClearFlags();
94 }
95
96 /* ************************************************************************* */
MXC_I2S_DMA_SetAddrCnt(void * src_addr,void * dst_addr,unsigned int count)97 int MXC_I2S_DMA_SetAddrCnt(void *src_addr, void *dst_addr, unsigned int count)
98 {
99 return MXC_I2S_RevA_DMA_SetAddrCnt(src_addr, dst_addr, count);
100 }
101
102 /* ************************************************************************* */
MXC_I2S_DMA_SetReload(void * src_addr,void * dst_addr,unsigned int count)103 int MXC_I2S_DMA_SetReload(void *src_addr, void *dst_addr, unsigned int count)
104 {
105 return MXC_I2S_RevA_DMA_SetReload(src_addr, dst_addr, count);
106 }
107
