1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * fsl_asrc.h - Freescale ASRC ALSA SoC header file
4 *
5 * Copyright (C) 2014 Freescale Semiconductor, Inc.
6 *
7 * Author: Nicolin Chen <nicoleotsuka@gmail.com>
8 */
9
10#ifndef _FSL_ASRC_H
11#define _FSL_ASRC_H
12
13#include "fsl_asrc_common.h"
14
15#define ASRC_DMA_BUFFER_NUM 2
16#define ASRC_INPUTFIFO_THRESHOLD 32
17#define ASRC_OUTPUTFIFO_THRESHOLD 32
18#define ASRC_FIFO_THRESHOLD_MIN 0
19#define ASRC_FIFO_THRESHOLD_MAX 63
20#define ASRC_DMA_BUFFER_SIZE (1024 * 48 * 4)
21#define ASRC_MAX_BUFFER_SIZE (1024 * 48)
22#define ASRC_OUTPUT_LAST_SAMPLE 8
23
24#define IDEAL_RATIO_RATE 1000000
25
26#define REG_ASRCTR 0x00
27#define REG_ASRIER 0x04
28#define REG_ASRCNCR 0x0C
29#define REG_ASRCFG 0x10
30#define REG_ASRCSR 0x14
31
32#define REG_ASRCDR1 0x18
33#define REG_ASRCDR2 0x1C
34#define REG_ASRCDR(i) ((i < 2) ? REG_ASRCDR1 : REG_ASRCDR2)
35
36#define REG_ASRSTR 0x20
37#define REG_ASRRA 0x24
38#define REG_ASRRB 0x28
39#define REG_ASRRC 0x2C
40#define REG_ASRPM1 0x40
41#define REG_ASRPM2 0x44
42#define REG_ASRPM3 0x48
43#define REG_ASRPM4 0x4C
44#define REG_ASRPM5 0x50
45#define REG_ASRTFR1 0x54
46#define REG_ASRCCR 0x5C
47
48#define REG_ASRDIA 0x60
49#define REG_ASRDOA 0x64
50#define REG_ASRDIB 0x68
51#define REG_ASRDOB 0x6C
52#define REG_ASRDIC 0x70
53#define REG_ASRDOC 0x74
54#define REG_ASRDI(i) (REG_ASRDIA + (i << 3))
55#define REG_ASRDO(i) (REG_ASRDOA + (i << 3))
56#define REG_ASRDx(x, i) ((x) == IN ? REG_ASRDI(i) : REG_ASRDO(i))
57
58#define REG_ASRIDRHA 0x80
59#define REG_ASRIDRLA 0x84
60#define REG_ASRIDRHB 0x88
61#define REG_ASRIDRLB 0x8C
62#define REG_ASRIDRHC 0x90
63#define REG_ASRIDRLC 0x94
64#define REG_ASRIDRH(i) (REG_ASRIDRHA + (i << 3))
65#define REG_ASRIDRL(i) (REG_ASRIDRLA + (i << 3))
66
67#define REG_ASR76K 0x98
68#define REG_ASR56K 0x9C
69
70#define REG_ASRMCRA 0xA0
71#define REG_ASRFSTA 0xA4
72#define REG_ASRMCRB 0xA8
73#define REG_ASRFSTB 0xAC
74#define REG_ASRMCRC 0xB0
75#define REG_ASRFSTC 0xB4
76#define REG_ASRMCR(i) (REG_ASRMCRA + (i << 3))
77#define REG_ASRFST(i) (REG_ASRFSTA + (i << 3))
78
79#define REG_ASRMCR1A 0xC0
80#define REG_ASRMCR1B 0xC4
81#define REG_ASRMCR1C 0xC8
82#define REG_ASRMCR1(i) (REG_ASRMCR1A + (i << 2))
83
84
85/* REG0 0x00 REG_ASRCTR */
86#define ASRCTR_ATSi_SHIFT(i) (20 + i)
87#define ASRCTR_ATSi_MASK(i) (1 << ASRCTR_ATSi_SHIFT(i))
88#define ASRCTR_ATS(i) (1 << ASRCTR_ATSi_SHIFT(i))
89#define ASRCTR_USRi_SHIFT(i) (14 + (i << 1))
90#define ASRCTR_USRi_MASK(i) (1 << ASRCTR_USRi_SHIFT(i))
91#define ASRCTR_USR(i) (1 << ASRCTR_USRi_SHIFT(i))
92#define ASRCTR_IDRi_SHIFT(i) (13 + (i << 1))
93#define ASRCTR_IDRi_MASK(i) (1 << ASRCTR_IDRi_SHIFT(i))
94#define ASRCTR_IDR(i) (1 << ASRCTR_IDRi_SHIFT(i))
95#define ASRCTR_SRST_SHIFT 4
96#define ASRCTR_SRST_MASK (1 << ASRCTR_SRST_SHIFT)
97#define ASRCTR_SRST (1 << ASRCTR_SRST_SHIFT)
98#define ASRCTR_ASRCEi_SHIFT(i) (1 + i)
99#define ASRCTR_ASRCEi_MASK(i) (1 << ASRCTR_ASRCEi_SHIFT(i))
100#define ASRCTR_ASRCE(i) (1 << ASRCTR_ASRCEi_SHIFT(i))
101#define ASRCTR_ASRCEi_ALL_MASK (0x7 << ASRCTR_ASRCEi_SHIFT(0))
102#define ASRCTR_ASRCEN_SHIFT 0
103#define ASRCTR_ASRCEN_MASK (1 << ASRCTR_ASRCEN_SHIFT)
104#define ASRCTR_ASRCEN (1 << ASRCTR_ASRCEN_SHIFT)
105
106/* REG1 0x04 REG_ASRIER */
107#define ASRIER_AFPWE_SHIFT 7
108#define ASRIER_AFPWE_MASK (1 << ASRIER_AFPWE_SHIFT)
109#define ASRIER_AFPWE (1 << ASRIER_AFPWE_SHIFT)
110#define ASRIER_AOLIE_SHIFT 6
111#define ASRIER_AOLIE_MASK (1 << ASRIER_AOLIE_SHIFT)
112#define ASRIER_AOLIE (1 << ASRIER_AOLIE_SHIFT)
113#define ASRIER_ADOEi_SHIFT(i) (3 + i)
114#define ASRIER_ADOEi_MASK(i) (1 << ASRIER_ADOEi_SHIFT(i))
115#define ASRIER_ADOE(i) (1 << ASRIER_ADOEi_SHIFT(i))
116#define ASRIER_ADIEi_SHIFT(i) (0 + i)
117#define ASRIER_ADIEi_MASK(i) (1 << ASRIER_ADIEi_SHIFT(i))
118#define ASRIER_ADIE(i) (1 << ASRIER_ADIEi_SHIFT(i))
119
120/* REG2 0x0C REG_ASRCNCR */
121#define ASRCNCR_ANCi_SHIFT(i, b) (b * i)
122#define ASRCNCR_ANCi_MASK(i, b) (((1 << b) - 1) << ASRCNCR_ANCi_SHIFT(i, b))
123#define ASRCNCR_ANCi(i, v, b) ((v << ASRCNCR_ANCi_SHIFT(i, b)) & ASRCNCR_ANCi_MASK(i, b))
124
125/* REG3 0x10 REG_ASRCFG */
126#define ASRCFG_INIRQi_SHIFT(i) (21 + i)
127#define ASRCFG_INIRQi_MASK(i) (1 << ASRCFG_INIRQi_SHIFT(i))
128#define ASRCFG_INIRQi (1 << ASRCFG_INIRQi_SHIFT(i))
129#define ASRCFG_NDPRi_SHIFT(i) (18 + i)
130#define ASRCFG_NDPRi_MASK(i) (1 << ASRCFG_NDPRi_SHIFT(i))
131#define ASRCFG_NDPRi_ALL_SHIFT 18
132#define ASRCFG_NDPRi_ALL_MASK (7 << ASRCFG_NDPRi_ALL_SHIFT)
133#define ASRCFG_NDPRi (1 << ASRCFG_NDPRi_SHIFT(i))
134#define ASRCFG_POSTMODi_SHIFT(i) (8 + (i << 2))
135#define ASRCFG_POSTMODi_WIDTH 2
136#define ASRCFG_POSTMODi_MASK(i) (((1 << ASRCFG_POSTMODi_WIDTH) - 1) << ASRCFG_POSTMODi_SHIFT(i))
137#define ASRCFG_POSTMODi_ALL_MASK (ASRCFG_POSTMODi_MASK(0) | ASRCFG_POSTMODi_MASK(1) | ASRCFG_POSTMODi_MASK(2))
138#define ASRCFG_POSTMOD(i, v) ((v) << ASRCFG_POSTMODi_SHIFT(i))
139#define ASRCFG_POSTMODi_UP(i) (0 << ASRCFG_POSTMODi_SHIFT(i))
140#define ASRCFG_POSTMODi_DCON(i) (1 << ASRCFG_POSTMODi_SHIFT(i))
141#define ASRCFG_POSTMODi_DOWN(i) (2 << ASRCFG_POSTMODi_SHIFT(i))
142#define ASRCFG_PREMODi_SHIFT(i) (6 + (i << 2))
143#define ASRCFG_PREMODi_WIDTH 2
144#define ASRCFG_PREMODi_MASK(i) (((1 << ASRCFG_PREMODi_WIDTH) - 1) << ASRCFG_PREMODi_SHIFT(i))
145#define ASRCFG_PREMODi_ALL_MASK (ASRCFG_PREMODi_MASK(0) | ASRCFG_PREMODi_MASK(1) | ASRCFG_PREMODi_MASK(2))
146#define ASRCFG_PREMOD(i, v) ((v) << ASRCFG_PREMODi_SHIFT(i))
147#define ASRCFG_PREMODi_UP(i) (0 << ASRCFG_PREMODi_SHIFT(i))
148#define ASRCFG_PREMODi_DCON(i) (1 << ASRCFG_PREMODi_SHIFT(i))
149#define ASRCFG_PREMODi_DOWN(i) (2 << ASRCFG_PREMODi_SHIFT(i))
150#define ASRCFG_PREMODi_BYPASS(i) (3 << ASRCFG_PREMODi_SHIFT(i))
151
152/* REG4 0x14 REG_ASRCSR */
153#define ASRCSR_AxCSi_WIDTH 4
154#define ASRCSR_AxCSi_MASK ((1 << ASRCSR_AxCSi_WIDTH) - 1)
155#define ASRCSR_AOCSi_SHIFT(i) (12 + (i << 2))
156#define ASRCSR_AOCSi_MASK(i) (((1 << ASRCSR_AxCSi_WIDTH) - 1) << ASRCSR_AOCSi_SHIFT(i))
157#define ASRCSR_AOCS(i, v) ((v) << ASRCSR_AOCSi_SHIFT(i))
158#define ASRCSR_AICSi_SHIFT(i) (i << 2)
159#define ASRCSR_AICSi_MASK(i) (((1 << ASRCSR_AxCSi_WIDTH) - 1) << ASRCSR_AICSi_SHIFT(i))
160#define ASRCSR_AICS(i, v) ((v) << ASRCSR_AICSi_SHIFT(i))
161
162/* REG5&6 0x18 & 0x1C REG_ASRCDR1 & ASRCDR2 */
163#define ASRCDRi_AxCPi_WIDTH 3
164#define ASRCDRi_AICPi_SHIFT(i) (0 + (i % 2) * 6)
165#define ASRCDRi_AICPi_MASK(i) (((1 << ASRCDRi_AxCPi_WIDTH) - 1) << ASRCDRi_AICPi_SHIFT(i))
166#define ASRCDRi_AICP(i, v) ((v) << ASRCDRi_AICPi_SHIFT(i))
167#define ASRCDRi_AICDi_SHIFT(i) (3 + (i % 2) * 6)
168#define ASRCDRi_AICDi_MASK(i) (((1 << ASRCDRi_AxCPi_WIDTH) - 1) << ASRCDRi_AICDi_SHIFT(i))
169#define ASRCDRi_AICD(i, v) ((v) << ASRCDRi_AICDi_SHIFT(i))
170#define ASRCDRi_AOCPi_SHIFT(i) ((i < 2) ? 12 + i * 6 : 6)
171#define ASRCDRi_AOCPi_MASK(i) (((1 << ASRCDRi_AxCPi_WIDTH) - 1) << ASRCDRi_AOCPi_SHIFT(i))
172#define ASRCDRi_AOCP(i, v) ((v) << ASRCDRi_AOCPi_SHIFT(i))
173#define ASRCDRi_AOCDi_SHIFT(i) ((i < 2) ? 15 + i * 6 : 9)
174#define ASRCDRi_AOCDi_MASK(i) (((1 << ASRCDRi_AxCPi_WIDTH) - 1) << ASRCDRi_AOCDi_SHIFT(i))
175#define ASRCDRi_AOCD(i, v) ((v) << ASRCDRi_AOCDi_SHIFT(i))
176
177/* REG7 0x20 REG_ASRSTR */
178#define ASRSTR_DSLCNT_SHIFT 21
179#define ASRSTR_DSLCNT_MASK (1 << ASRSTR_DSLCNT_SHIFT)
180#define ASRSTR_DSLCNT (1 << ASRSTR_DSLCNT_SHIFT)
181#define ASRSTR_ATQOL_SHIFT 20
182#define ASRSTR_ATQOL_MASK (1 << ASRSTR_ATQOL_SHIFT)
183#define ASRSTR_ATQOL (1 << ASRSTR_ATQOL_SHIFT)
184#define ASRSTR_AOOLi_SHIFT(i) (17 + i)
185#define ASRSTR_AOOLi_MASK(i) (1 << ASRSTR_AOOLi_SHIFT(i))
186#define ASRSTR_AOOL(i) (1 << ASRSTR_AOOLi_SHIFT(i))
187#define ASRSTR_AIOLi_SHIFT(i) (14 + i)
188#define ASRSTR_AIOLi_MASK(i) (1 << ASRSTR_AIOLi_SHIFT(i))
189#define ASRSTR_AIOL(i) (1 << ASRSTR_AIOLi_SHIFT(i))
190#define ASRSTR_AODOi_SHIFT(i) (11 + i)
191#define ASRSTR_AODOi_MASK(i) (1 << ASRSTR_AODOi_SHIFT(i))
192#define ASRSTR_AODO(i) (1 << ASRSTR_AODOi_SHIFT(i))
193#define ASRSTR_AIDUi_SHIFT(i) (8 + i)
194#define ASRSTR_AIDUi_MASK(i) (1 << ASRSTR_AIDUi_SHIFT(i))
195#define ASRSTR_AIDU(i) (1 << ASRSTR_AIDUi_SHIFT(i))
196#define ASRSTR_FPWT_SHIFT 7
197#define ASRSTR_FPWT_MASK (1 << ASRSTR_FPWT_SHIFT)
198#define ASRSTR_FPWT (1 << ASRSTR_FPWT_SHIFT)
199#define ASRSTR_AOLE_SHIFT 6
200#define ASRSTR_AOLE_MASK (1 << ASRSTR_AOLE_SHIFT)
201#define ASRSTR_AOLE (1 << ASRSTR_AOLE_SHIFT)
202#define ASRSTR_AODEi_SHIFT(i) (3 + i)
203#define ASRSTR_AODFi_MASK(i) (1 << ASRSTR_AODEi_SHIFT(i))
204#define ASRSTR_AODF(i) (1 << ASRSTR_AODEi_SHIFT(i))
205#define ASRSTR_AIDEi_SHIFT(i) (0 + i)
206#define ASRSTR_AIDEi_MASK(i) (1 << ASRSTR_AIDEi_SHIFT(i))
207#define ASRSTR_AIDE(i) (1 << ASRSTR_AIDEi_SHIFT(i))
208
209/* REG10 0x54 REG_ASRTFR1 */
210#define ASRTFR1_TF_BASE_WIDTH 7
211#define ASRTFR1_TF_BASE_SHIFT 6
212#define ASRTFR1_TF_BASE_MASK (((1 << ASRTFR1_TF_BASE_WIDTH) - 1) << ASRTFR1_TF_BASE_SHIFT)
213#define ASRTFR1_TF_BASE(i) ((i) << ASRTFR1_TF_BASE_SHIFT)
214
215/*
216 * REG22 0xA0 REG_ASRMCRA
217 * REG24 0xA8 REG_ASRMCRB
218 * REG26 0xB0 REG_ASRMCRC
219 */
220#define ASRMCRi_ZEROBUFi_SHIFT 23
221#define ASRMCRi_ZEROBUFi_MASK (1 << ASRMCRi_ZEROBUFi_SHIFT)
222#define ASRMCRi_ZEROBUFi (1 << ASRMCRi_ZEROBUFi_SHIFT)
223#define ASRMCRi_EXTTHRSHi_SHIFT 22
224#define ASRMCRi_EXTTHRSHi_MASK (1 << ASRMCRi_EXTTHRSHi_SHIFT)
225#define ASRMCRi_EXTTHRSHi (1 << ASRMCRi_EXTTHRSHi_SHIFT)
226#define ASRMCRi_BUFSTALLi_SHIFT 21
227#define ASRMCRi_BUFSTALLi_MASK (1 << ASRMCRi_BUFSTALLi_SHIFT)
228#define ASRMCRi_BUFSTALLi (1 << ASRMCRi_BUFSTALLi_SHIFT)
229#define ASRMCRi_BYPASSPOLYi_SHIFT 20
230#define ASRMCRi_BYPASSPOLYi_MASK (1 << ASRMCRi_BYPASSPOLYi_SHIFT)
231#define ASRMCRi_BYPASSPOLYi (1 << ASRMCRi_BYPASSPOLYi_SHIFT)
232#define ASRMCRi_OUTFIFO_THRESHOLD_WIDTH 6
233#define ASRMCRi_OUTFIFO_THRESHOLD_SHIFT 12
234#define ASRMCRi_OUTFIFO_THRESHOLD_MASK (((1 << ASRMCRi_OUTFIFO_THRESHOLD_WIDTH) - 1) << ASRMCRi_OUTFIFO_THRESHOLD_SHIFT)
235#define ASRMCRi_OUTFIFO_THRESHOLD(v) (((v) << ASRMCRi_OUTFIFO_THRESHOLD_SHIFT) & ASRMCRi_OUTFIFO_THRESHOLD_MASK)
236#define ASRMCRi_RSYNIFi_SHIFT 11
237#define ASRMCRi_RSYNIFi_MASK (1 << ASRMCRi_RSYNIFi_SHIFT)
238#define ASRMCRi_RSYNIFi (1 << ASRMCRi_RSYNIFi_SHIFT)
239#define ASRMCRi_RSYNOFi_SHIFT 10
240#define ASRMCRi_RSYNOFi_MASK (1 << ASRMCRi_RSYNOFi_SHIFT)
241#define ASRMCRi_RSYNOFi (1 << ASRMCRi_RSYNOFi_SHIFT)
242#define ASRMCRi_INFIFO_THRESHOLD_WIDTH 6
243#define ASRMCRi_INFIFO_THRESHOLD_SHIFT 0
244#define ASRMCRi_INFIFO_THRESHOLD_MASK (((1 << ASRMCRi_INFIFO_THRESHOLD_WIDTH) - 1) << ASRMCRi_INFIFO_THRESHOLD_SHIFT)
245#define ASRMCRi_INFIFO_THRESHOLD(v) (((v) << ASRMCRi_INFIFO_THRESHOLD_SHIFT) & ASRMCRi_INFIFO_THRESHOLD_MASK)
246
247/*
248 * REG23 0xA4 REG_ASRFSTA
249 * REG25 0xAC REG_ASRFSTB
250 * REG27 0xB4 REG_ASRFSTC
251 */
252#define ASRFSTi_OAFi_SHIFT 23
253#define ASRFSTi_OAFi_MASK (1 << ASRFSTi_OAFi_SHIFT)
254#define ASRFSTi_OAFi (1 << ASRFSTi_OAFi_SHIFT)
255#define ASRFSTi_OUTPUT_FIFO_WIDTH 7
256#define ASRFSTi_OUTPUT_FIFO_SHIFT 12
257#define ASRFSTi_OUTPUT_FIFO_MASK (((1 << ASRFSTi_OUTPUT_FIFO_WIDTH) - 1) << ASRFSTi_OUTPUT_FIFO_SHIFT)
258#define ASRFSTi_IAEi_SHIFT 11
259#define ASRFSTi_IAEi_MASK (1 << ASRFSTi_IAEi_SHIFT)
260#define ASRFSTi_IAEi (1 << ASRFSTi_IAEi_SHIFT)
261#define ASRFSTi_INPUT_FIFO_WIDTH 7
262#define ASRFSTi_INPUT_FIFO_SHIFT 0
263#define ASRFSTi_INPUT_FIFO_MASK ((1 << ASRFSTi_INPUT_FIFO_WIDTH) - 1)
264
265/* REG28 0xC0 & 0xC4 & 0xC8 REG_ASRMCR1i */
266#define ASRMCR1i_IWD_WIDTH 3
267#define ASRMCR1i_IWD_SHIFT 9
268#define ASRMCR1i_IWD_MASK (((1 << ASRMCR1i_IWD_WIDTH) - 1) << ASRMCR1i_IWD_SHIFT)
269#define ASRMCR1i_IWD(v) ((v) << ASRMCR1i_IWD_SHIFT)
270#define ASRMCR1i_IMSB_SHIFT 8
271#define ASRMCR1i_IMSB_MASK (1 << ASRMCR1i_IMSB_SHIFT)
272#define ASRMCR1i_IMSB_MSB (1 << ASRMCR1i_IMSB_SHIFT)
273#define ASRMCR1i_IMSB_LSB (0 << ASRMCR1i_IMSB_SHIFT)
274#define ASRMCR1i_OMSB_SHIFT 2
275#define ASRMCR1i_OMSB_MASK (1 << ASRMCR1i_OMSB_SHIFT)
276#define ASRMCR1i_OMSB_MSB (1 << ASRMCR1i_OMSB_SHIFT)
277#define ASRMCR1i_OMSB_LSB (0 << ASRMCR1i_OMSB_SHIFT)
278#define ASRMCR1i_OSGN_SHIFT 1
279#define ASRMCR1i_OSGN_MASK (1 << ASRMCR1i_OSGN_SHIFT)
280#define ASRMCR1i_OSGN (1 << ASRMCR1i_OSGN_SHIFT)
281#define ASRMCR1i_OW16_SHIFT 0
282#define ASRMCR1i_OW16_MASK (1 << ASRMCR1i_OW16_SHIFT)
283#define ASRMCR1i_OW16(v) ((v) << ASRMCR1i_OW16_SHIFT)
284
285#define ASRC_PAIR_MAX_NUM (ASRC_PAIR_C + 1)
286
287enum asrc_inclk {
288 INCLK_NONE = 0x03,
289 INCLK_ESAI_RX = 0x00,
290 INCLK_SSI1_RX = 0x01,
291 INCLK_SSI2_RX = 0x02,
292 INCLK_SSI3_RX = 0x07,
293 INCLK_SPDIF_RX = 0x04,
294 INCLK_MLB_CLK = 0x05,
295 INCLK_PAD = 0x06,
296 INCLK_ESAI_TX = 0x08,
297 INCLK_SSI1_TX = 0x09,
298 INCLK_SSI2_TX = 0x0a,
299 INCLK_SSI3_TX = 0x0b,
300 INCLK_SPDIF_TX = 0x0c,
301 INCLK_ASRCK1_CLK = 0x0f,
302
303 /* clocks for imx8 */
304 INCLK_AUD_PLL_DIV_CLK0 = 0x10,
305 INCLK_AUD_PLL_DIV_CLK1 = 0x11,
306 INCLK_AUD_CLK0 = 0x12,
307 INCLK_AUD_CLK1 = 0x13,
308 INCLK_ESAI0_RX_CLK = 0x14,
309 INCLK_ESAI0_TX_CLK = 0x15,
310 INCLK_SPDIF0_RX = 0x16,
311 INCLK_SPDIF1_RX = 0x17,
312 INCLK_SAI0_RX_BCLK = 0x18,
313 INCLK_SAI0_TX_BCLK = 0x19,
314 INCLK_SAI1_RX_BCLK = 0x1a,
315 INCLK_SAI1_TX_BCLK = 0x1b,
316 INCLK_SAI2_RX_BCLK = 0x1c,
317 INCLK_SAI3_RX_BCLK = 0x1d,
318 INCLK_ASRC0_MUX_CLK = 0x1e,
319
320 INCLK_ESAI1_RX_CLK = 0x20,
321 INCLK_ESAI1_TX_CLK = 0x21,
322 INCLK_SAI6_TX_BCLK = 0x22,
323 INCLK_HDMI_RX_SAI0_RX_BCLK = 0x24,
324 INCLK_HDMI_TX_SAI0_TX_BCLK = 0x25,
325};
326
327enum asrc_outclk {
328 OUTCLK_NONE = 0x03,
329 OUTCLK_ESAI_TX = 0x00,
330 OUTCLK_SSI1_TX = 0x01,
331 OUTCLK_SSI2_TX = 0x02,
332 OUTCLK_SSI3_TX = 0x07,
333 OUTCLK_SPDIF_TX = 0x04,
334 OUTCLK_MLB_CLK = 0x05,
335 OUTCLK_PAD = 0x06,
336 OUTCLK_ESAI_RX = 0x08,
337 OUTCLK_SSI1_RX = 0x09,
338 OUTCLK_SSI2_RX = 0x0a,
339 OUTCLK_SSI3_RX = 0x0b,
340 OUTCLK_SPDIF_RX = 0x0c,
341 OUTCLK_ASRCK1_CLK = 0x0f,
342
343 /* clocks for imx8 */
344 OUTCLK_AUD_PLL_DIV_CLK0 = 0x10,
345 OUTCLK_AUD_PLL_DIV_CLK1 = 0x11,
346 OUTCLK_AUD_CLK0 = 0x12,
347 OUTCLK_AUD_CLK1 = 0x13,
348 OUTCLK_ESAI0_RX_CLK = 0x14,
349 OUTCLK_ESAI0_TX_CLK = 0x15,
350 OUTCLK_SPDIF0_RX = 0x16,
351 OUTCLK_SPDIF1_RX = 0x17,
352 OUTCLK_SAI0_RX_BCLK = 0x18,
353 OUTCLK_SAI0_TX_BCLK = 0x19,
354 OUTCLK_SAI1_RX_BCLK = 0x1a,
355 OUTCLK_SAI1_TX_BCLK = 0x1b,
356 OUTCLK_SAI2_RX_BCLK = 0x1c,
357 OUTCLK_SAI3_RX_BCLK = 0x1d,
358 OUTCLK_ASRCO_MUX_CLK = 0x1e,
359
360 OUTCLK_ESAI1_RX_CLK = 0x20,
361 OUTCLK_ESAI1_TX_CLK = 0x21,
362 OUTCLK_SAI6_TX_BCLK = 0x22,
363 OUTCLK_HDMI_RX_SAI0_RX_BCLK = 0x24,
364 OUTCLK_HDMI_TX_SAI0_TX_BCLK = 0x25,
365};
366
367#define ASRC_CLK_MAX_NUM 16
368#define ASRC_CLK_MAP_LEN 0x30
369
370enum asrc_word_width {
371 ASRC_WIDTH_24_BIT = 0,
372 ASRC_WIDTH_16_BIT = 1,
373 ASRC_WIDTH_8_BIT = 2,
374};
375
376struct asrc_config {
377 enum asrc_pair_index pair;
378 unsigned int channel_num;
379 unsigned int buffer_num;
380 unsigned int dma_buffer_size;
381 unsigned int input_sample_rate;
382 unsigned int output_sample_rate;
383 snd_pcm_format_t input_format;
384 snd_pcm_format_t output_format;
385 enum asrc_inclk inclk;
386 enum asrc_outclk outclk;
387};
388
389struct asrc_req {
390 unsigned int chn_num;
391 enum asrc_pair_index index;
392};
393
394struct asrc_querybuf {
395 unsigned int buffer_index;
396 unsigned int input_length;
397 unsigned int output_length;
398 unsigned long input_offset;
399 unsigned long output_offset;
400};
401
402struct asrc_convert_buffer {
403 void *input_buffer_vaddr;
404 void *output_buffer_vaddr;
405 unsigned int input_buffer_length;
406 unsigned int output_buffer_length;
407};
408
409struct asrc_status_flags {
410 enum asrc_pair_index index;
411 unsigned int overload_error;
412};
413
414enum asrc_error_status {
415 ASRC_TASK_Q_OVERLOAD = 0x01,
416 ASRC_OUTPUT_TASK_OVERLOAD = 0x02,
417 ASRC_INPUT_TASK_OVERLOAD = 0x04,
418 ASRC_OUTPUT_BUFFER_OVERFLOW = 0x08,
419 ASRC_INPUT_BUFFER_UNDERRUN = 0x10,
420};
421
422struct dma_block {
423 dma_addr_t dma_paddr;
424 void *dma_vaddr;
425 unsigned int length;
426};
427
428/**
429 * fsl_asrc_soc_data: soc specific data
430 *
431 * @use_edma: using edma as dma device or not
432 * @channel_bits: width of ASRCNCR register for each pair
433 */
434struct fsl_asrc_soc_data {
435 bool use_edma;
436 unsigned int channel_bits;
437};
438
439/**
440 * fsl_asrc_pair_priv: ASRC Pair private data
441 *
442 * @config: configuration profile
443 */
444struct fsl_asrc_pair_priv {
445 struct asrc_config *config;
446};
447
448/**
449 * fsl_asrc_priv: ASRC private data
450 *
451 * @asrck_clk: clock sources to driver ASRC internal logic
452 * @soc: soc specific data
453 * @clk_map: clock map for input/output clock
454 * @regcache_cfg: store register value of REG_ASRCFG
455 */
456struct fsl_asrc_priv {
457 struct clk *asrck_clk[ASRC_CLK_MAX_NUM];
458 const struct fsl_asrc_soc_data *soc;
459 unsigned char *clk_map[2];
460
461 u32 regcache_cfg;
462};
463
464#endif /* _FSL_ASRC_H */
465

source code of linux/sound/soc/fsl/fsl_asrc.h