1 /*
2 * Copyright 2019-2021 NXP
3 * All rights reserved.
4 *
5 * SPDX-License-Identifier: BSD-3-Clause
6 */
7
8 #ifndef _FSL_ASRC_H_
9 #define _FSL_ASRC_H_
10
11 #include "fsl_common.h"
12
13 /*!
14 * @addtogroup asrc_driver
15 * @{
16 */
17
18 /*******************************************************************************
19 * Definitions
20 ******************************************************************************/
21
22 /*! @name Driver version */
23 /*@{*/
24 #define FSL_ASRC_DRIVER_VERSION (MAKE_VERSION(2, 1, 2)) /*!< Version 2.1.2 */
25 /*@}*/
26
27 #ifndef ASRC_XFER_QUEUE_SIZE
28 /*!@brief ASRC transfer queue size, user can refine it according to use case. */
29 #define ASRC_XFER_QUEUE_SIZE (4U)
30 #endif
31 /*!@brief ASRC channel pair count */
32 #define FSL_ASRC_CHANNEL_PAIR_COUNT (4U)
33 /*! @brief ASRC FIFO depth */
34 #define FSL_ASRC_CHANNEL_PAIR_FIFO_DEPTH (64U)
35
36 /*! @brief ASRC register access macro */
37 #define ASRC_ASRCTR_AT_MASK(index) ((uint32_t)1U << (ASRC_ASRCTR_ATSA_SHIFT + (uint32_t)(index)))
38 #define ASRC_ASRCTR_RATIO_MASK(index) ((uint32_t)3U << (ASRC_ASRCTR_IDRA_SHIFT + (uint32_t)(index)*2U))
39 #define ASRC_ASRCTR_RATIO(ratio, index) \
40 (((uint32_t)((uint32_t)(ratio) << (ASRC_ASRCTR_IDRA_SHIFT + (uint32_t)(index)*2U))) & ASRC_ASRCTR_RATIO_MASK(index))
41 #define ASRC_ASRIER_INPUT_INTERRUPT_MASK(index) ((uint32_t)1U << (ASRC_ASRIER_ADIEA_SHIFT + (uint32_t)(index)))
42 #define ASRC_ASRIER_OUTPUTPUT_INTERRUPT_MASK(index) ((uint32_t)1U << (ASRC_ASRIER_ADOEA_SHIFT + (uint32_t)(index)))
43 #define ASRC_ASRCNCR_CHANNEL_COUNTER_MASK(index) ((uint32_t)0xFU << (ASRC_ASRCNCR_ANCA_SHIFT + (uint32_t)(index)*4U))
44 #define ASRC_ASRCNCR_CHANNEL_COUNTER(counter, index) \
45 ((uint32_t)((uint32_t)(counter) << (ASRC_ASRCNCR_ANCA_SHIFT + (uint32_t)(index)*4U)) & \
46 ASRC_ASRCNCR_CHANNEL_COUNTER_MASK(index))
47 #define ASRC_ASRCFG_PRE_MODE_MASK(index) ((uint32_t)3U << (ASRC_ASRCFG_PREMODA_SHIFT + (uint32_t)(index)*4U))
48 #define ASRC_ASRCFG_PRE_MODE(mode, index) \
49 ((uint32_t)((uint32_t)(mode) << (ASRC_ASRCFG_PREMODA_SHIFT + (uint32_t)(index)*4U)) & \
50 ASRC_ASRCFG_PRE_MODE_MASK(index))
51 #define ASRC_ASRCFG_POST_MODE_MASK(index) ((uint32_t)3U << (ASRC_ASRCFG_POSTMODA_SHIFT + (uint32_t)(index)*4U))
52 #define ASRC_ASRCFG_POST_MODE(mode, index) \
53 ((uint32_t)((uint32_t)(mode) << (ASRC_ASRCFG_POSTMODA_SHIFT + (uint32_t)(index)*4U)) & \
54 ASRC_ASRCFG_POST_MODE_MASK(index))
55 #define ASRC_ASRCFG_INIT_DONE_MASK(index) ((uint32_t)1U << (ASRC_ASRCFG_INIRQA_SHIFT + (uint32_t)(index)))
56 #define ASRC_ASRCSR_INPUT_CLOCK_SOURCE_MASK(index) ((uint32_t)0xFU << (ASRC_ASRCSR_AICSA_SHIFT + (uint32_t)(index)*4U))
57 #define ASRC_ASRCSR_INPUT_CLOCK_SOURCE(source, index) \
58 ((uint32_t)((uint32_t)(source) << (ASRC_ASRCSR_AICSA_SHIFT + (uint32_t)(index)*4U)) & \
59 ASRC_ASRCSR_INPUT_CLOCK_SOURCE_MASK(index))
60 #define ASRC_ASRCSR_OUTPUT_CLOCK_SOURCE_MASK(index) ((uint32_t)0xFU << (ASRC_ASRCSR_AOCSA_SHIFT + (uint32_t)(index)*4U))
61 #define ASRC_ASRCSR_OUTPUT_CLOCK_SOURCE(source, index) \
62 ((uint32_t)((uint32_t)(source) << (ASRC_ASRCSR_AOCSA_SHIFT + (uint32_t)(index)*4U)) & \
63 ASRC_ASRCSR_OUTPUT_CLOCK_SOURCE_MASK(index))
64
65 #define ASRC_ASRCDR_INPUT_PRESCALER_MASK(index) \
66 ((uint32_t)(index) < 2U ? ((uint32_t)7U << (ASRC_ASRCDR1_AICPA_SHIFT + (uint32_t)(index)*6U)) : 7U)
67 #define ASRC_ASRCDR_INPUT_PRESCALER(prescaler, index) \
68 (((index) < 2U ? ((uint32_t)(prescaler) << (ASRC_ASRCDR1_AICPA_SHIFT + (uint32_t)(index)*6U)) : (prescaler)) & \
69 ASRC_ASRCDR1_INPUT_PRESCALER_MASK(index))
70 #define ASRC_ASRCDR_INPUT_DIVIDER_MASK(index) \
71 ((uint32_t)(index) < 2U ? ((uint32_t)7U << (ASRC_ASRCDR1_AICDA_SHIFT + (uint32_t)(index)*6U)) : \
72 (7U << ASRC_ASRCDR1_AICDA_SHIFT))
73 #define ASRC_ASRCDR_INPUT_DIVIDER(divider, index) \
74 (((uint32_t)(index) < 2U ? ((uint32_t)(divider) << (ASRC_ASRCDR1_AICDA_SHIFT + (uint32_t)(index)*6U)) : \
75 ((uint32_t)(divider) << ASRC_ASRCDR1_AICDA_SHIFT)) & \
76 ASRC_ASRCDR_INPUT_DIVIDER_MASK(index))
77 #define ASRC_ASRCDR_OUTPUT_PRESCALER_MASK(index) \
78 ((uint32_t)(index) < 2U ? ((uint32_t)7U << (ASRC_ASRCDR1_AOCPA_SHIFT + (uint32_t)(index)*6U)) : (7U << 6U))
79 #define ASRC_ASRCDR_OUTPUT_PRESCALER(prescaler, index) \
80 (((uint32_t)(index) < 2U ? ((uint32_t)(prescaler) << (ASRC_ASRCDR1_AOCPA_SHIFT + (uint32_t)(index)*6U)) : \
81 ((uint32_t)(prescaler) << 6U)) & \
82 ASRC_ASRCDR_OUTPUT_PRESCALER_MASK(index))
83 #define ASRC_ASRCDR_OUTPUT_DIVIDER_MASK(index) \
84 ((uint32_t)(index) < 2U ? ((uint32_t)7U << (ASRC_ASRCDR1_AOCDA_SHIFT + (uint32_t)(index)*6U)) : (7UL << 9U))
85 #define ASRC_ASRCDR_OUTPUT_DIVIDER(divider, index) \
86 (((uint32_t)(index) < 2U ? ((uint32_t)(divider) << (ASRC_ASRCDR1_AOCDA_SHIFT + (uint32_t)(index)*6U)) : \
87 ((uint32_t)(divider) << 9U)) & \
88 ASRC_ASRCDR_OUTPUT_DIVIDER_MASK(index))
89
90 #define ASCR_ASRCDR_OUTPUT_CLOCK_DIVIDER_PRESCALER(value, index) \
91 (((uint32_t)(index) < 2U ? ((uint32_t)(value) << (ASRC_ASRCDR1_AOCPA_SHIFT + (uint32_t)(index)*6U)) : \
92 ((uint32_t)(value) << 6U)))
93 #define ASCR_ASRCDR_INPUT_CLOCK_DIVIDER_PRESCALER(value, index) \
94 (((uint32_t)(index) < 2U ? ((uint32_t)(value) << ((uint32_t)(index)*6U)) : ((uint32_t)(value))))
95
96 #define ASRC_IDEAL_RATIO_HIGH(base, index) *(volatile uint32_t *)((uint32_t)(&(base)->ASRIDRHA) + (uint32_t)(index)*8U)
97 #define ASRC_IDEAL_RATIO_LOW(base, index) *(volatile uint32_t *)((uint32_t)(&(base)->ASRIDRLA) + (uint32_t)(index)*8U)
98 #define ASRC_ASRMCR(base, index) *(volatile uint32_t *)((uint32_t)(&(base)->ASRMCRA) + (uint32_t)(index)*8U)
99 #define ASRC_ASRMCR1(base, index) *(volatile uint32_t *)((uint32_t)(&((base)->ASRMCR1[(index)])))
100 #define ASRC_ASRDI(base, index) *(volatile uint32_t *)((uint32_t)(&(base)->ASRDIA) + (uint32_t)(index)*8U)
101 #define ASRC_ASRDO(base, index) *(volatile uint32_t *)((uint32_t)(&(base)->ASRDOA) + (uint32_t)(index)*8U)
102 #define ASRC_ASRDI_ADDR(base, index) (volatile uint32_t *)((uint32_t)(&(base)->ASRDIA) + (uint32_t)(index)*8U)
103 #define ASRC_ASRDO_ADDR(base, index) (volatile uint32_t *)((uint32_t)(&(base)->ASRDOA) + (uint32_t)(index)*8U)
104 #define ASRC_ASRFST_ADDR(base, index) (*(volatile uint32_t *)((uint32_t)(&(base)->ASRFSTA) + (uint32_t)(index)*8U))
105 #define ASRC_GET_CHANNEL_COUNTER(base, index) (((base)->ASRCNCR >> ((uint32_t)(index)*4U)) & 0xFU)
106
107 /*! @brief ASRC return status
108 * @anchor _asrc_status_t
109 */
110 enum
111 {
112 kStatus_ASRCIdle = MAKE_STATUS(kStatusGroup_ASRC, 0), /*!< ASRC is idle. */
113 kStatus_ASRCInIdle = MAKE_STATUS(kStatusGroup_ASRC, 1), /*!< ASRC in is idle. */
114 kStatus_ASRCOutIdle = MAKE_STATUS(kStatusGroup_ASRC, 2), /*!< ASRC out is idle. */
115 kStatus_ASRCBusy = MAKE_STATUS(kStatusGroup_ASRC, 3), /*!< ASRC is busy. */
116 kStatus_ASRCInvalidArgument = MAKE_STATUS(kStatusGroup_ASRC, 4), /*!< ASRC invalid argument. */
117 kStatus_ASRCClockConfigureFailed = MAKE_STATUS(kStatusGroup_ASRC, 5), /*!< ASRC clock configure failed */
118 kStatus_ASRCChannelPairConfigureFailed = MAKE_STATUS(kStatusGroup_ASRC, 6), /*!< ASRC clock configure failed */
119 kStatus_ASRCConvertError = MAKE_STATUS(kStatusGroup_ASRC, 7), /*!< ASRC clock configure failed */
120 kStatus_ASRCNotSupport = MAKE_STATUS(kStatusGroup_ASRC, 8), /*!< ASRC not support */
121 kStatus_ASRCQueueFull = MAKE_STATUS(kStatusGroup_ASRC, 9), /*!< ASRC queue is full */
122 kStatus_ASRCOutQueueIdle = MAKE_STATUS(kStatusGroup_ASRC, 10), /*!< ASRC out queue is idle */
123 kStatus_ASRCInQueueIdle = MAKE_STATUS(kStatusGroup_ASRC, 11), /*!< ASRC in queue is idle */
124 };
125
126 /*! @brief ASRC channel pair mask */
127 typedef enum _asrc_channel_pair
128 {
129 kASRC_ChannelPairA = 0, /*!< channel pair A value */
130 kASRC_ChannelPairB = 1, /*!< channel pair B value */
131 kASRC_ChannelPairC = 2, /*!< channel pair C value */
132 } asrc_channel_pair_t;
133
134 /*! @brief ASRC support sample rate
135 * @anchor _asrc_sample_rate
136 */
137 enum
138 {
139 kASRC_SampleRate_8000HZ = 8000U, /*!< asrc sample rate 8KHZ */
140 kASRC_SampleRate_11025HZ = 11025U, /*!< asrc sample rate 11.025KHZ */
141 kASRC_SampleRate_12000HZ = 12000U, /*!< asrc sample rate 12KHZ */
142 kASRC_SampleRate_16000HZ = 16000U, /*!< asrc sample rate 16KHZ */
143 kASRC_SampleRate_22050HZ = 22050U, /*!< asrc sample rate 22.05KHZ */
144 kASRC_SampleRate_24000HZ = 24000U, /*!< asrc sample rate 24KHZ */
145 kASRC_SampleRate_30000HZ = 30000U, /*!< asrc sample rate 30KHZ */
146 kASRC_SampleRate_32000HZ = 32000U, /*!< asrc sample rate 32KHZ */
147 kASRC_SampleRate_44100HZ = 44100U, /*!< asrc sample rate 44.1KHZ */
148 kASRC_SampleRate_48000HZ = 48000U, /*!< asrc sample rate 48KHZ */
149 kASRC_SampleRate_64000HZ = 64000U, /*!< asrc sample rate 64KHZ */
150 kASRC_SampleRate_88200HZ = 88200U, /*!< asrc sample rate 88.2KHZ */
151 kASRC_SampleRate_96000HZ = 96000U, /*!< asrc sample rate 96KHZ */
152 kASRC_SampleRate_128000HZ = 128000U, /*!< asrc sample rate 128KHZ */
153 kASRC_SampleRate_176400HZ = 176400U, /*!< asrc sample rate 176.4KHZ */
154 kASRC_SampleRate_192000HZ = 192000U, /*!< asrc sample rate 192KHZ */
155 };
156
157 /*! @brief The ASRC interrupt enable flag
158 * @anchor _asrc_interrupt_mask
159 */
160 enum
161 {
162 kASRC_FPInWaitStateInterruptEnable = ASRC_ASRIER_AFPWE_MASK, /*!< FP in wait state mask */
163 kASRC_OverLoadInterruptMask = ASRC_ASRIER_AOLIE_MASK, /*!< overload interrupt mask */
164 kASRC_DataOutputCInterruptMask = ASRC_ASRIER_ADOEC_MASK, /*!< data output c interrupt mask */
165 kASRC_DataOutputBInterruptMask = ASRC_ASRIER_ADOEB_MASK, /*!< data output b interrupt mask */
166 kASRC_DataOutputAInterruptMask = ASRC_ASRIER_ADOEA_MASK, /*!< data output a interrupt mask */
167 kASRC_DataInputCInterruptMask = ASRC_ASRIER_ADIEC_MASK, /*!< data input c interrupt mask */
168 kASRC_DataInputBInterruptMask = ASRC_ASRIER_ADIEB_MASK, /*!< data input b interrupt mask */
169 kASRC_DataInputAInterruptMask = ASRC_ASRIER_ADIEA_MASK, /*!< data input a interrupt mask */
170 };
171
172 /*! @brief The ASRC interrupt status
173 * @anchor _asrc_interrupt_status
174 */
175 enum
176 {
177 kASRC_StatusDSLCounterReady = ASRC_ASRSTR_DSLCNT_MASK, /*!< DSL counter */
178 kASRC_StatusTaskQueueOverLoad = ASRC_ASRSTR_ATQOL_MASK, /*!< task queue overload */
179 kASRC_StatusPairCOutputOverLoad = ASRC_ASRSTR_AOOLC_MASK, /*!< pair c output overload */
180 kASRC_StatusPairBOutputOverLoad = ASRC_ASRSTR_AOOLB_MASK, /*!< pair b output overload */
181 kASRC_StatusPairAOutputOverLoad = ASRC_ASRSTR_AOOLA_MASK, /*!< pair a output overload */
182 kASRC_StatusPairCInputOverLoad = ASRC_ASRSTR_AIOLC_MASK, /*!< pair c input overload */
183 kASRC_StatusPairBInputOverLoad = ASRC_ASRSTR_AIOLB_MASK, /*!<pair b input overload */
184 kASRC_StatusPairAInputOverLoad = ASRC_ASRSTR_AIOLA_MASK, /*!< pair a input overload */
185 kASRC_StatusPairCOutputOverflow = ASRC_ASRSTR_AODOC_MASK, /*!< pair c output overflow */
186 kASRC_StatusPairBOutputOverflow = ASRC_ASRSTR_AODOB_MASK, /*!< pair b output overflow */
187 kASRC_StatusPairAOutputOverflow = ASRC_ASRSTR_AODOA_MASK, /*!< pair a output overflow */
188 kASRC_StatusPairCInputUnderflow = ASRC_ASRSTR_AIDUC_MASK, /*!< pair c input underflow*/
189 kASRC_StatusPairBInputUnderflow = ASRC_ASRSTR_AIDUB_MASK, /*!< pair b input under flow */
190 kASRC_StatusPairAInputUnderflow = ASRC_ASRSTR_AIDUA_MASK, /*!< pair a input underflow*/
191 kASRC_StatusFPInWaitState = ASRC_ASRSTR_FPWT_MASK, /*!< FP in wait state */
192 kASRC_StatusOverloadError = ASRC_ASRSTR_AOLE_MASK, /*!< overload error */
193
194 kASRC_StatusInputError = kASRC_StatusPairCInputOverLoad | kASRC_StatusPairBInputOverLoad |
195 kASRC_StatusPairAInputOverLoad | kASRC_StatusPairCInputUnderflow |
196 kASRC_StatusPairBInputUnderflow |
197 kASRC_StatusPairAInputUnderflow, /*!< input error status */
198
199 kASRC_StatusOutputError = kASRC_StatusPairCOutputOverLoad | kASRC_StatusPairBOutputOverLoad |
200 kASRC_StatusPairAOutputOverLoad | kASRC_StatusPairCOutputOverflow |
201 kASRC_StatusPairBOutputOverflow |
202 kASRC_StatusPairAOutputOverflow, /*!< output error status */
203
204 kASRC_StatusPairCOutputReady = ASRC_ASRSTR_AODFC_MASK, /*!< pair c output ready */
205 kASRC_StatusPairBOutputReady = ASRC_ASRSTR_AODFB_MASK, /*!< pair b output ready */
206 kASRC_StatusPairAOutputReady = ASRC_ASRSTR_AODFA_MASK, /*!< pair a output ready */
207 kASRC_StatusPairCInputReady = ASRC_ASRSTR_AIDEC_MASK, /*!< pair c input ready */
208 kASRC_StatusPairBInputReady = ASRC_ASRSTR_AIDEB_MASK, /*!< pair b input ready */
209 kASRC_StatusPairAInputReady = ASRC_ASRSTR_AIDEA_MASK, /*!< pair a input ready */
210 kASRC_StatusPairAInterrupt = kASRC_StatusPairAInputReady | kASRC_StatusPairAOutputReady, /*!< pair A interrupt */
211 kASRC_StatusPairBInterrupt = kASRC_StatusPairBInputReady | kASRC_StatusPairBOutputReady, /*!< pair B interrupt */
212 kASRC_StatusPairCInterrupt = kASRC_StatusPairCInputReady | kASRC_StatusPairCOutputReady, /*!< pair C interrupt */
213
214 };
215
216 /*! @brief ASRC channel pair status
217 * @anchor _asrc_channel_pair_status
218 */
219 enum
220 {
221 kASRC_OutputFifoNearFull = ASRC_ASRFSTA_OAFA_MASK, /*!< channel pair output fifo near full */
222 kASRC_InputFifoNearEmpty = ASRC_ASRFSTA_IAEA_MASK, /*!< channel pair input fifo near empty */
223 };
224
225 /*! @brief ASRC ideal ratio */
226 typedef enum _asrc_ratio
227 {
228 kASRC_RatioNotUsed = 0U, /*!< ideal ratio not used */
229 kASRC_RatioUseInternalMeasured =
230 2U, /*!< ideal ratio use internal measure ratio, can be used for real time streaming audio */
231 kASRC_RatioUseIdealRatio =
232 3U, /*!< ideal ratio use manual configure ratio, can be used for the non-real time streaming audio */
233 } asrc_ratio_t;
234
235 /*! @brief Number of channels in audio data */
236 typedef enum _asrc_audio_channel
237 {
238 kASRC_ChannelsNumber1 = 1U, /*!< channel number is 1 */
239 kASRC_ChannelsNumber2 = 2U, /*!< channel number is 2 */
240 kASRC_ChannelsNumber3 = 3U, /*!< channel number is 3 */
241 kASRC_ChannelsNumber4 = 4U, /*!< channel number is 4 */
242 kASRC_ChannelsNumber5 = 5U, /*!< channel number is 5 */
243 kASRC_ChannelsNumber6 = 6U, /*!< channel number is 6 */
244 kASRC_ChannelsNumber7 = 7U, /*!< channel number is 7 */
245 kASRC_ChannelsNumber8 = 8U, /*!< channel number is 8 */
246 kASRC_ChannelsNumber9 = 9U, /*!< channel number is 9 */
247 kASRC_ChannelsNumber10 = 10U, /*!< channel number is 10 */
248 } asrc_audio_channel_t;
249
250 /*! @brief data width */
251 typedef enum _asrc_data_width
252 {
253 kASRC_DataWidth24Bit = 0U, /*!< data width 24bit */
254 kASRC_DataWidth16Bit = 1U, /*!< data width 16bit */
255 kASRC_DataWidth8Bit = 2U, /*!< data width 8bit */
256 } asrc_data_width_t;
257
258 /*! @brief data alignment */
259 typedef enum _asrc_data_align
260 {
261 kASRC_DataAlignMSB = 1U, /*!< data alignment MSB */
262 kASRC_DataAlignLSB = 0U, /*!< data alignment LSB */
263 } asrc_data_align_t;
264
265 /*! @brief sign extension */
266 typedef enum _asrc_sign_extension
267 {
268 kASRC_NoSignExtension = 0U, /*!< no sign extension */
269 kASRC_SignExtension = 1U, /*!< sign extension */
270 } asrc_sign_extension_t;
271
272 /*! @brief asrc channel pair configuation */
273 typedef struct _asrc_channel_pair_config
274 {
275 asrc_audio_channel_t audioDataChannels; /*!< audio data channel numbers */
276 asrc_clock_source_t
277 inClockSource; /*!< input clock source, reference the clock source definition in SOC header file */
278 uint32_t inSourceClock_Hz; /*!< input source clock frequency */
279
280 asrc_clock_source_t
281 outClockSource; /*!< output clock source, reference the clock source definition in SOC header file */
282 uint32_t outSourceClock_Hz; /*!< output source clock frequency */
283
284 asrc_ratio_t sampleRateRatio; /*!< sample rate ratio type */
285
286 asrc_data_width_t inDataWidth; /*!< input data width */
287 asrc_data_align_t inDataAlign; /*!< input data alignment */
288
289 asrc_data_width_t outDataWidth; /*!< output data width */
290 asrc_data_align_t outDataAlign; /*!< output data alignment */
291 asrc_sign_extension_t outSignExtension; /*!< output extension */
292
293 uint8_t outFifoThreshold; /*!< output fifo threshold */
294 uint8_t inFifoThreshold; /*!< input fifo threshold */
295
296 bool bufStallWhenFifoEmptyFull; /*!< stall Pair A conversion in case of Buffer near empty full condition */
297
298 } asrc_channel_pair_config_t;
299
300 /*! @brief SAI transfer structure */
301 typedef struct _asrc_transfer
302 {
303 void *inData; /*!< Data address to convert.*/
304 size_t inDataSize; /*!< input data size. */
305 void *outData; /*!< Data address to store converted data */
306 size_t outDataSize; /*!< output data size. */
307 } asrc_transfer_t;
308
309 /*! @brief asrc handler */
310 typedef struct _asrc_handle asrc_handle_t;
311
312 /*! @brief ASRC transfer callback prototype */
313 typedef void (*asrc_transfer_callback_t)(ASRC_Type *base, asrc_handle_t *handle, status_t status, void *userData);
314
315 /*! @brief asrc in handler */
316 typedef struct _asrc_in_handle
317 {
318 asrc_transfer_callback_t callback; /*!< Callback function called at convert complete */
319 uint32_t sampleWidth; /*!< data width */
320 uint32_t sampleMask; /*!< data mask */
321 uint32_t fifoThreshold; /*!< fifo threshold */
322 uint8_t *asrcQueue[ASRC_XFER_QUEUE_SIZE]; /*!< Transfer queue storing queued transfer */
323 size_t transferSamples[ASRC_XFER_QUEUE_SIZE]; /*!< Data bytes need to convert */
324 volatile uint8_t queueUser; /*!< Index for user to queue transfer */
325 volatile uint8_t queueDriver; /*!< Index for driver to get the transfer data and size */
326 } asrc_in_handle_t;
327
328 /*! @brief output handler */
329 typedef struct _asrc_out_handle
330 {
331 asrc_transfer_callback_t callback; /*!< Callback function called at convert complete */
332 uint32_t sampleWidth; /*!< data width */
333 uint32_t fifoThreshold; /*!< fifo threshold */
334 uint8_t *asrcQueue[ASRC_XFER_QUEUE_SIZE]; /*!< Transfer queue storing queued transfer */
335 size_t transferSamples[ASRC_XFER_QUEUE_SIZE]; /*!< Data bytes need to convert */
336 volatile uint8_t queueUser; /*!< Index for user to queue transfer */
337 volatile uint8_t queueDriver; /*!< Index for driver to get the transfer data and size */
338 } asrc_out_handle_t;
339
340 /*! @brief ASRC handle structure */
341 struct _asrc_handle
342 {
343 ASRC_Type *base; /*!< base address */
344
345 uint32_t state; /*!< Transfer status */
346 void *userData; /*!< Callback parameter passed to callback function*/
347
348 asrc_audio_channel_t audioDataChannels; /*!< audio channel number */
349 asrc_channel_pair_t channelPair; /*!< channel pair mask */
350
351 asrc_in_handle_t in; /*!< asrc input handler */
352 asrc_out_handle_t out; /*!< asrc output handler */
353 };
354 /*******************************************************************************
355 * API
356 ******************************************************************************/
357
358 #if defined(__cplusplus)
359 extern "C" {
360 #endif /*_cplusplus*/
361
362 /*!
363 * @name Initialization and deinitialization
364 * @{
365 */
366
367 /*!
368 * @brief Get instance number of the ASRC peripheral.
369 *
370 * @param base ASRC base pointer.
371 */
372 uint32_t ASRC_GetInstance(ASRC_Type *base);
373
374 /*!
375 * brief Initializes the asrc peripheral.
376 *
377 * This API gates the asrc clock. The asrc module can't operate unless ASRC_Init is called to enable the clock.
378 *
379 * param base asrc base pointer.
380 * param asrcPeripheralClock_Hz peripheral clock of ASRC.
381 */
382 void ASRC_Init(ASRC_Type *base, uint32_t asrcPeripheralClock_Hz);
383
384 /*!
385 * @brief De-initializes the ASRC peripheral.
386 *
387 * This API gates the ASRC clock and disable ASRC module. The ASRC module can't operate unless ASRC_Init
388 *
389 * @param base ASRC base pointer.
390 */
391 void ASRC_Deinit(ASRC_Type *base);
392
393 /*!
394 * @brief Do software reset .
395 *
396 * This software reset bit is self-clear bit, it will generate a software reset signal inside ASRC.
397 * After 9 cycles of the ASRC processing clock, this reset process will stop and this bit will cleared
398 * automatically.
399 *
400 * @param base ASRC base pointer
401 */
402 void ASRC_SoftwareReset(ASRC_Type *base);
403
404 /*!
405 * @brief ASRC configure channel pair.
406 *
407 * @param base ASRC base pointer.
408 * @param channelPair index of channel pair, reference _asrc_channel_pair.
409 * @param config ASRC channel pair configuration pointer.
410 * @param inputSampleRate input audio data sample rate.
411 * @param outputSampleRate output audio data sample rate.
412 */
413 status_t ASRC_SetChannelPairConfig(ASRC_Type *base,
414 asrc_channel_pair_t channelPair,
415 asrc_channel_pair_config_t *config,
416 uint32_t inputSampleRate,
417 uint32_t outputSampleRate);
418
419 /*!
420 * @brief Get output sample buffer size.
421 *
422 * @note This API is depends on the ASRC output configuration, should be called after the ASRC_SetChannelPairConfig.
423 *
424 * @param base asrc base pointer.
425 * @param channelPair ASRC channel pair number.
426 * @param inSampleRate input sample rate.
427 * @param outSampleRate output sample rate.
428 * @param inSamplesize input sampleS size.
429 * @retval output buffer size in byte.
430 */
431 uint32_t ASRC_GetOutSamplesSize(ASRC_Type *base,
432 asrc_channel_pair_t channelPair,
433 uint32_t inSampleRate,
434 uint32_t outSampleRate,
435 uint32_t inSamplesize);
436
437 /*!
438 * @brief Map register sample width to real sample width.
439 *
440 * @note This API is depends on the ASRC configuration, should be called after the ASRC_SetChannelPairConfig.
441 * @param base asrc base pointer.
442 * @param channelPair asrc channel pair index.
443 * @param inWidth ASRC channel pair number.
444 * @param outWidth input sample rate.
445 * @retval input sample mask value.
446 */
447 uint32_t ASRC_MapSamplesWidth(ASRC_Type *base, asrc_channel_pair_t channelPair, uint32_t *inWidth, uint32_t *outWidth);
448
449 /*!
450 * @brief Get left samples in fifo.
451 *
452 * @param base asrc base pointer.
453 * @param channelPair ASRC channel pair number.
454 * @param buffer input sample numbers.
455 * @param outSampleWidth output sample width.
456 * @param remainSamples output sample rate.
457 * @retval remain samples number.
458 */
459 uint32_t ASRC_GetRemainFifoSamples(ASRC_Type *base,
460 asrc_channel_pair_t channelPair,
461 uint32_t *buffer,
462 uint32_t outSampleWidth,
463 uint32_t remainSamples);
464
465 /*!
466 * @brief ASRC module enable.
467 *
468 * @param base ASRC base pointer.
469 * @param enable true is enable, false is disable
470 */
ASRC_ModuleEnable(ASRC_Type * base,bool enable)471 static inline void ASRC_ModuleEnable(ASRC_Type *base, bool enable)
472 {
473 if (enable)
474 {
475 base->ASRCTR |= ASRC_ASRCTR_ASRCEN_MASK;
476 }
477 else
478 {
479 base->ASRCTR &= ~ASRC_ASRCTR_ASRCEN_MASK;
480 }
481 }
482
483 /*!
484 * @brief ASRC enable channel pair.
485 *
486 * @param base ASRC base pointer.
487 * @param channelPair channel pair mask value, reference _asrc_channel_pair_mask.
488 * @param enable true is enable, false is disable.
489 */
ASRC_ChannelPairEnable(ASRC_Type * base,asrc_channel_pair_t channelPair,bool enable)490 static inline void ASRC_ChannelPairEnable(ASRC_Type *base, asrc_channel_pair_t channelPair, bool enable)
491 {
492 if (enable)
493 {
494 base->ASRCTR |= 1UL << ((uint32_t)channelPair + 1U);
495 }
496 else
497 {
498 base->ASRCTR &= ~(1UL << ((uint32_t)channelPair + 1U));
499 }
500 }
501 /*! @} */
502
503 /*!
504 * @name Interrupts
505 * @{
506 */
507
508 /*!
509 * @brief ASRC interrupt enable
510 * This function enable the ASRC interrupt with the provided mask.
511 *
512 * @param base ASRC peripheral base address.
513 * @param mask The interrupts to enable. Logical OR of @ref _asrc_interrupt_mask.
514 */
ASRC_EnableInterrupt(ASRC_Type * base,uint32_t mask)515 static inline void ASRC_EnableInterrupt(ASRC_Type *base, uint32_t mask)
516 {
517 base->ASRIER |= mask;
518 }
519
520 /*!
521 * @brief ASRC interrupt disable
522 * This function disable the ASRC interrupt with the provided mask.
523 *
524 * @param base ASRC peripheral base address.
525 * @param mask The interrupts to disable. Logical OR of @ref _asrc_interrupt_mask.
526 */
ASRC_DisableInterrupt(ASRC_Type * base,uint32_t mask)527 static inline void ASRC_DisableInterrupt(ASRC_Type *base, uint32_t mask)
528 {
529 base->ASRIER &= ~mask;
530 }
531
532 /*! @} */
533
534 /*!
535 * @name Status
536 * @{
537 */
538
539 /*!
540 * @brief Gets the ASRC status flag state.
541 *
542 * @param base ASRC base pointer
543 * @return ASRC Tx status flag value. Use the Status Mask to get the status value needed.
544 */
ASRC_GetStatus(ASRC_Type * base)545 static inline uint32_t ASRC_GetStatus(ASRC_Type *base)
546 {
547 return base->ASRSTR;
548 }
549
550 /*!
551 * @brief Gets the ASRC channel pair initialization state.
552 *
553 * @param base ASRC base pointer
554 * @param channel ASRC channel pair.
555 * @return ASRC Tx status flag value. Use the Status Mask to get the status value needed.
556 */
ASRC_GetChannelPairInitialStatus(ASRC_Type * base,asrc_channel_pair_t channel)557 static inline bool ASRC_GetChannelPairInitialStatus(ASRC_Type *base, asrc_channel_pair_t channel)
558 {
559 return ((base->ASRCFG >> ASRC_ASRCFG_INIRQA_SHIFT) & (1U << (uint32_t)channel)) == 0U ? false : true;
560 }
561
562 /*!
563 * @brief Gets the ASRC channel A fifo a status flag state.
564 *
565 * @param base ASRC base pointer
566 * @param channelPair ASRC channel pair.
567 * @return ASRC channel pair a fifo status flag value. Use the Status Mask to get the status value needed.
568 */
ASRC_GetChannelPairFifoStatus(ASRC_Type * base,asrc_channel_pair_t channelPair)569 static inline uint32_t ASRC_GetChannelPairFifoStatus(ASRC_Type *base, asrc_channel_pair_t channelPair)
570 {
571 return ASRC_ASRMCR(base, channelPair) & ((uint32_t)kASRC_OutputFifoNearFull | (uint32_t)kASRC_InputFifoNearEmpty);
572 }
573
574 /*! @} */
575
576 /*!
577 * @name Bus Operations
578 * @{
579 */
580
581 /*!
582 * @brief Writes data into ASRC channel pair FIFO.
583 * Note: ASRC fifo width is 24bit.
584 * @param base ASRC base pointer.
585 * @param channelPair ASRC channel pair.
586 * @param data Data needs to be written.
587 */
ASRC_ChannelPairWriteData(ASRC_Type * base,asrc_channel_pair_t channelPair,uint32_t data)588 static inline void ASRC_ChannelPairWriteData(ASRC_Type *base, asrc_channel_pair_t channelPair, uint32_t data)
589 {
590 ASRC_ASRDI(base, channelPair) = data;
591 }
592
593 /*!
594 * @brief Read data from ASRC channel pair FIFO.
595 * Note: ASRC fifo width is 24bit.
596 *
597 * @param base ASRC base pointer.
598 * @param channelPair ASRC channel pair.
599 * @retval value read from fifo.
600 */
ASRC_ChannelPairReadData(ASRC_Type * base,asrc_channel_pair_t channelPair)601 static inline uint32_t ASRC_ChannelPairReadData(ASRC_Type *base, asrc_channel_pair_t channelPair)
602 {
603 return ASRC_ASRDO(base, channelPair);
604 }
605
606 /*!
607 * @brief Get input data fifo address.
608 * Note: ASRC fifo width is 24bit.
609 *
610 * @param base ASRC base pointer.
611 * @param channelPair ASRC channel pair.
612 */
ASRC_GetInputDataRegisterAddress(ASRC_Type * base,asrc_channel_pair_t channelPair)613 static inline uint32_t ASRC_GetInputDataRegisterAddress(ASRC_Type *base, asrc_channel_pair_t channelPair)
614 {
615 return (uint32_t)ASRC_ASRDI_ADDR(base, channelPair);
616 }
617
618 /*!
619 * @brief Get output data fifo address.
620 * Note: ASRC fifo width is 24bit.
621 *
622 * @param base ASRC base pointer.
623 * @param channelPair ASRC channel pair.
624 */
ASRC_GetOutputDataRegisterAddress(ASRC_Type * base,asrc_channel_pair_t channelPair)625 static inline uint32_t ASRC_GetOutputDataRegisterAddress(ASRC_Type *base, asrc_channel_pair_t channelPair)
626 {
627 return (uint32_t)ASRC_ASRDO_ADDR(base, channelPair);
628 }
629
630 /*!
631 * @brief ASRC configure ideal ratio.
632 * The ideal ratio should be used when input clock source is not avalible.
633 *
634 * @param base ASRC base pointer.
635 * @param channelPair ASRC channel pair.
636 * @param inputSampleRate input audio data sample rate.
637 * @param outputSampleRate output audio data sample rate.
638 */
639 status_t ASRC_SetIdealRatioConfig(ASRC_Type *base,
640 asrc_channel_pair_t channelPair,
641 uint32_t inputSampleRate,
642 uint32_t outputSampleRate);
643
644 /*! @} */
645
646 /*!
647 * @name Transactional
648 * @{
649 */
650
651 /*!
652 * @brief ASRC configure channel pair.
653 *
654 * @param base ASRC base pointer.
655 * @param handle ASRC transactional handle pointer.
656 * @param config ASRC channel pair configuration pointer.
657 * @param inputSampleRate input audio data sample rate.
658 * @param outputSampleRate output audio data sample rate.
659 */
660 status_t ASRC_TransferSetChannelPairConfig(ASRC_Type *base,
661 asrc_handle_t *handle,
662 asrc_channel_pair_config_t *config,
663 uint32_t inputSampleRate,
664 uint32_t outputSampleRate);
665
666 /*!
667 * @brief Initializes the ASRC handle.
668 *
669 * This function initializes the handle for the ASRC transactional APIs. Call
670 * this function once to get the handle initialized.
671 *
672 * @param base ASRC base pointer
673 * @param handle ASRC handle pointer.
674 * @param channelPair ASRC channel pair.
675 * @param inCallback Pointer to the user callback function.
676 * @param outCallback Pointer to the user callback function.
677 * @param userData User parameter passed to the callback function
678 */
679 void ASRC_TransferCreateHandle(ASRC_Type *base,
680 asrc_handle_t *handle,
681 asrc_channel_pair_t channelPair,
682 asrc_transfer_callback_t inCallback,
683 asrc_transfer_callback_t outCallback,
684 void *userData);
685
686 /*!
687 * @brief Performs an interrupt non-blocking convert on asrc.
688 *
689 * @note This API returns immediately after the transfer initiates, application should check the wait and check the
690 * callback status.
691 *
692 * @param base asrc base pointer.
693 * @param handle Pointer to the asrc_handle_t structure which stores the transfer state.
694 * @param xfer Pointer to the ASRC_transfer_t structure.
695 * @retval kStatus_Success Successfully started the data receive.
696 * @retval kStatus_ASRCBusy Previous receive still not finished.
697 */
698 status_t ASRC_TransferNonBlocking(ASRC_Type *base, asrc_handle_t *handle, asrc_transfer_t *xfer);
699
700 /*!
701 * @brief Performs an blocking convert on asrc.
702 *
703 * @note This API returns immediately after the convert finished.
704 *
705 * @param base asrc base pointer.
706 * @param channelPair channel pair index.
707 * @param xfer Pointer to the ASRC_transfer_t structure.
708 * @retval kStatus_Success Successfully started the data receive.
709 */
710 status_t ASRC_TransferBlocking(ASRC_Type *base, asrc_channel_pair_t channelPair, asrc_transfer_t *xfer);
711
712 /*!
713 * @brief Get converted byte count.
714 *
715 * @param base ASRC base pointer.
716 * @param handle Pointer to the asrc_handle_t structure which stores the transfer state.
717 * @param count Bytes count sent.
718 * @retval kStatus_Success Succeed get the transfer count.
719 * @retval kStatus_ASRCIdle There is not a non-blocking transaction currently in progress.
720 */
721 status_t ASRC_TransferGetConvertedCount(ASRC_Type *base, asrc_handle_t *handle, size_t *count);
722
723 /*!
724 * @brief Aborts the current convert.
725 *
726 * @note This API can be called any time when an interrupt non-blocking transfer initiates
727 * to abort the transfer early.
728 *
729 * @param base ASRC base pointer.
730 * @param handle Pointer to the asrc_handle_t structure which stores the transfer state.
731 */
732 void ASRC_TransferAbortConvert(ASRC_Type *base, asrc_handle_t *handle);
733
734 /*!
735 * @brief Terminate all ASRC convert.
736 *
737 * This function will clear all transfer slots buffered in the asrc queue. If users only want to abort the
738 * current transfer slot, please call ASRC_TransferAbortConvert.
739 *
740 * @param base ASRC base pointer.
741 * @param handle ASRC eDMA handle pointer.
742 */
743 void ASRC_TransferTerminateConvert(ASRC_Type *base, asrc_handle_t *handle);
744
745 /*!
746 * @brief ASRC convert interrupt handler.
747 *
748 * @param base ASRC base pointer.
749 * @param handle Pointer to the asrc_handle_t structure.
750 */
751 void ASRC_TransferHandleIRQ(ASRC_Type *base, asrc_handle_t *handle);
752
753 /*! @} */
754
755 #if defined(__cplusplus)
756 }
757 #endif /*_cplusplus*/
758
759 /*! @} */
760
761 #endif /* _FSL_ASRC_H_ */
762
