1/* SPDX-License-Identifier: GPL-2.0
2 *
3 * MediaTek 8365 audio driver common definitions
4 *
5 * Copyright (c) 2024 MediaTek Inc.
6 * Authors: Jia Zeng <jia.zeng@mediatek.com>
7 * Alexandre Mergnat <amergnat@baylibre.com>
8 */
9
10#ifndef _MT8365_AFE_COMMON_H_
11#define _MT8365_AFE_COMMON_H_
12
13#include <linux/clk.h>
14#include <linux/list.h>
15#include <linux/regmap.h>
16#include <sound/soc.h>
17#include <sound/asound.h>
18#include "../common/mtk-base-afe.h"
19#include "mt8365-reg.h"
20
21enum {
22 MT8365_AFE_MEMIF_DL1,
23 MT8365_AFE_MEMIF_DL2,
24 MT8365_AFE_MEMIF_TDM_OUT,
25 /*
26 * MT8365_AFE_MEMIF_SPDIF_OUT,
27 */
28 MT8365_AFE_MEMIF_AWB,
29 MT8365_AFE_MEMIF_VUL,
30 MT8365_AFE_MEMIF_VUL2,
31 MT8365_AFE_MEMIF_VUL3,
32 MT8365_AFE_MEMIF_TDM_IN,
33 /*
34 * MT8365_AFE_MEMIF_SPDIF_IN,
35 */
36 MT8365_AFE_MEMIF_NUM,
37 MT8365_AFE_BACKEND_BASE = MT8365_AFE_MEMIF_NUM,
38 MT8365_AFE_IO_TDM_OUT = MT8365_AFE_BACKEND_BASE,
39 MT8365_AFE_IO_TDM_IN,
40 MT8365_AFE_IO_I2S,
41 MT8365_AFE_IO_2ND_I2S,
42 MT8365_AFE_IO_PCM1,
43 MT8365_AFE_IO_VIRTUAL_DL_SRC,
44 MT8365_AFE_IO_VIRTUAL_TDM_OUT_SRC,
45 MT8365_AFE_IO_VIRTUAL_FM,
46 MT8365_AFE_IO_DMIC,
47 MT8365_AFE_IO_INT_ADDA,
48 MT8365_AFE_IO_GASRC1,
49 MT8365_AFE_IO_GASRC2,
50 MT8365_AFE_IO_TDM_ASRC,
51 MT8365_AFE_IO_HW_GAIN1,
52 MT8365_AFE_IO_HW_GAIN2,
53 MT8365_AFE_BACKEND_END,
54 MT8365_AFE_BACKEND_NUM = (MT8365_AFE_BACKEND_END -
55 MT8365_AFE_BACKEND_BASE),
56};
57
58enum {
59 MT8365_AFE_IRQ1,
60 MT8365_AFE_IRQ2,
61 MT8365_AFE_IRQ3,
62 MT8365_AFE_IRQ4,
63 MT8365_AFE_IRQ5,
64 MT8365_AFE_IRQ6,
65 MT8365_AFE_IRQ7,
66 MT8365_AFE_IRQ8,
67 MT8365_AFE_IRQ9,
68 MT8365_AFE_IRQ10,
69 MT8365_AFE_IRQ_NUM,
70};
71
72enum {
73 MT8365_TOP_CG_AFE,
74 MT8365_TOP_CG_I2S_IN,
75 MT8365_TOP_CG_22M,
76 MT8365_TOP_CG_24M,
77 MT8365_TOP_CG_INTDIR_CK,
78 MT8365_TOP_CG_APLL2_TUNER,
79 MT8365_TOP_CG_APLL_TUNER,
80 MT8365_TOP_CG_SPDIF,
81 MT8365_TOP_CG_TDM_OUT,
82 MT8365_TOP_CG_TDM_IN,
83 MT8365_TOP_CG_ADC,
84 MT8365_TOP_CG_DAC,
85 MT8365_TOP_CG_DAC_PREDIS,
86 MT8365_TOP_CG_TML,
87 MT8365_TOP_CG_I2S1_BCLK,
88 MT8365_TOP_CG_I2S2_BCLK,
89 MT8365_TOP_CG_I2S3_BCLK,
90 MT8365_TOP_CG_I2S4_BCLK,
91 MT8365_TOP_CG_DMIC0_ADC,
92 MT8365_TOP_CG_DMIC1_ADC,
93 MT8365_TOP_CG_DMIC2_ADC,
94 MT8365_TOP_CG_DMIC3_ADC,
95 MT8365_TOP_CG_CONNSYS_I2S_ASRC,
96 MT8365_TOP_CG_GENERAL1_ASRC,
97 MT8365_TOP_CG_GENERAL2_ASRC,
98 MT8365_TOP_CG_TDM_ASRC,
99 MT8365_TOP_CG_NUM
100};
101
102enum {
103 MT8365_CLK_TOP_AUD_SEL,
104 MT8365_CLK_AUD_I2S0_M,
105 MT8365_CLK_AUD_I2S1_M,
106 MT8365_CLK_AUD_I2S2_M,
107 MT8365_CLK_AUD_I2S3_M,
108 MT8365_CLK_ENGEN1,
109 MT8365_CLK_ENGEN2,
110 MT8365_CLK_AUD1,
111 MT8365_CLK_AUD2,
112 MT8365_CLK_I2S0_M_SEL,
113 MT8365_CLK_I2S1_M_SEL,
114 MT8365_CLK_I2S2_M_SEL,
115 MT8365_CLK_I2S3_M_SEL,
116 MT8365_CLK_CLK26M,
117 MT8365_CLK_NUM
118};
119
120enum {
121 MT8365_AFE_APLL1 = 0,
122 MT8365_AFE_APLL2,
123 MT8365_AFE_APLL_NUM,
124};
125
126enum {
127 MT8365_AFE_1ST_I2S = 0,
128 MT8365_AFE_2ND_I2S,
129 MT8365_AFE_I2S_SETS,
130};
131
132enum {
133 MT8365_AFE_I2S_SEPARATE_CLOCK = 0,
134 MT8365_AFE_I2S_SHARED_CLOCK,
135};
136
137enum {
138 MT8365_AFE_TDM_OUT_I2S = 0,
139 MT8365_AFE_TDM_OUT_TDM,
140 MT8365_AFE_TDM_OUT_I2S_32BITS,
141};
142
143enum mt8365_afe_tdm_ch_start {
144 AFE_TDM_CH_START_O28_O29 = 0,
145 AFE_TDM_CH_START_O30_O31,
146 AFE_TDM_CH_START_O32_O33,
147 AFE_TDM_CH_START_O34_O35,
148 AFE_TDM_CH_ZERO,
149};
150
151enum {
152 MT8365_PCM_FORMAT_I2S = 0,
153 MT8365_PCM_FORMAT_EIAJ,
154 MT8365_PCM_FORMAT_PCMA,
155 MT8365_PCM_FORMAT_PCMB,
156};
157
158enum {
159 MT8365_FS_8K = 0,
160 MT8365_FS_11D025K,
161 MT8365_FS_12K,
162 MT8365_FS_384K,
163 MT8365_FS_16K,
164 MT8365_FS_22D05K,
165 MT8365_FS_24K,
166 MT8365_FS_130K,
167 MT8365_FS_32K,
168 MT8365_FS_44D1K,
169 MT8365_FS_48K,
170 MT8365_FS_88D2K,
171 MT8365_FS_96K,
172 MT8365_FS_176D4K,
173 MT8365_FS_192K,
174};
175
176enum {
177 FS_8000HZ = 0, /* 0000b */
178 FS_11025HZ = 1, /* 0001b */
179 FS_12000HZ = 2, /* 0010b */
180 FS_384000HZ = 3, /* 0011b */
181 FS_16000HZ = 4, /* 0100b */
182 FS_22050HZ = 5, /* 0101b */
183 FS_24000HZ = 6, /* 0110b */
184 FS_130000HZ = 7, /* 0111b */
185 FS_32000HZ = 8, /* 1000b */
186 FS_44100HZ = 9, /* 1001b */
187 FS_48000HZ = 10, /* 1010b */
188 FS_88200HZ = 11, /* 1011b */
189 FS_96000HZ = 12, /* 1100b */
190 FS_176400HZ = 13, /* 1101b */
191 FS_192000HZ = 14, /* 1110b */
192 FS_260000HZ = 15, /* 1111b */
193};
194
195enum {
196 MT8365_AFE_DEBUGFS_AFE,
197 MT8365_AFE_DEBUGFS_MEMIF,
198 MT8365_AFE_DEBUGFS_IRQ,
199 MT8365_AFE_DEBUGFS_CONN,
200 MT8365_AFE_DEBUGFS_DBG,
201 MT8365_AFE_DEBUGFS_NUM,
202};
203
204enum {
205 MT8365_AFE_IRQ_DIR_MCU = 0,
206 MT8365_AFE_IRQ_DIR_DSP,
207 MT8365_AFE_IRQ_DIR_BOTH,
208};
209
210/* MCLK */
211enum {
212 MT8365_I2S0_MCK = 0,
213 MT8365_I2S3_MCK,
214 MT8365_MCK_NUM,
215};
216
217struct mt8365_fe_dai_data {
218 bool use_sram;
219 unsigned int sram_phy_addr;
220 void __iomem *sram_vir_addr;
221 unsigned int sram_size;
222};
223
224struct mt8365_be_dai_data {
225 bool prepared[SNDRV_PCM_STREAM_LAST + 1];
226 unsigned int fmt_mode;
227};
228
229#define MT8365_CLK_26M 26000000
230#define MT8365_CLK_24M 24000000
231#define MT8365_CLK_22M 22000000
232#define MT8365_CM_UPDATA_CNT_SET 8
233
234enum mt8365_cm_num {
235 MT8365_CM1 = 0,
236 MT8365_CM2,
237 MT8365_CM_NUM,
238};
239
240enum mt8365_cm2_mux_in {
241 MT8365_FROM_GASRC1 = 1,
242 MT8365_FROM_GASRC2,
243 MT8365_FROM_TDM_ASRC,
244 MT8365_CM_MUX_NUM,
245};
246
247enum cm2_mux_conn_in {
248 GENERAL2_ASRC_OUT_LCH = 0,
249 GENERAL2_ASRC_OUT_RCH = 1,
250 TDM_IN_CH0 = 2,
251 TDM_IN_CH1 = 3,
252 TDM_IN_CH2 = 4,
253 TDM_IN_CH3 = 5,
254 TDM_IN_CH4 = 6,
255 TDM_IN_CH5 = 7,
256 TDM_IN_CH6 = 8,
257 TDM_IN_CH7 = 9,
258 GENERAL1_ASRC_OUT_LCH = 10,
259 GENERAL1_ASRC_OUT_RCH = 11,
260 TDM_OUT_ASRC_CH0 = 12,
261 TDM_OUT_ASRC_CH1 = 13,
262 TDM_OUT_ASRC_CH2 = 14,
263 TDM_OUT_ASRC_CH3 = 15,
264 TDM_OUT_ASRC_CH4 = 16,
265 TDM_OUT_ASRC_CH5 = 17,
266 TDM_OUT_ASRC_CH6 = 18,
267 TDM_OUT_ASRC_CH7 = 19
268};
269
270struct mt8365_cm_ctrl_reg {
271 unsigned int con0;
272 unsigned int con1;
273 unsigned int con2;
274 unsigned int con3;
275 unsigned int con4;
276};
277
278struct mt8365_control_data {
279 bool bypass_cm1;
280 bool bypass_cm2;
281 unsigned int loopback_type;
282};
283
284enum dmic_input_mode {
285 DMIC_MODE_3P25M = 0,
286 DMIC_MODE_1P625M,
287 DMIC_MODE_812P5K,
288 DMIC_MODE_406P25K,
289};
290
291enum iir_mode {
292 IIR_MODE0 = 0,
293 IIR_MODE1,
294 IIR_MODE2,
295 IIR_MODE3,
296 IIR_MODE4,
297 IIR_MODE5,
298};
299
300enum {
301 MT8365_GASRC1 = 0,
302 MT8365_GASRC2,
303 MT8365_GASRC_NUM,
304 MT8365_TDM_ASRC1 = MT8365_GASRC_NUM,
305 MT8365_TDM_ASRC2,
306 MT8365_TDM_ASRC3,
307 MT8365_TDM_ASRC4,
308 MT8365_TDM_ASRC_NUM,
309};
310
311struct mt8365_gasrc_ctrl_reg {
312 unsigned int con0;
313 unsigned int con2;
314 unsigned int con3;
315 unsigned int con4;
316 unsigned int con5;
317 unsigned int con6;
318 unsigned int con9;
319 unsigned int con10;
320 unsigned int con12;
321 unsigned int con13;
322};
323
324struct mt8365_gasrc_data {
325 bool duplex;
326 bool tx_mode;
327 bool cali_on;
328 bool tdm_asrc_out_cm2;
329 bool iir_on;
330};
331
332struct mt8365_afe_private {
333 struct clk *clocks[MT8365_CLK_NUM];
334 struct regmap *topckgen;
335 struct mt8365_fe_dai_data fe_data[MT8365_AFE_MEMIF_NUM];
336 struct mt8365_be_dai_data be_data[MT8365_AFE_BACKEND_NUM];
337 struct mt8365_control_data ctrl_data;
338 struct mt8365_gasrc_data gasrc_data[MT8365_TDM_ASRC_NUM];
339 int afe_on_ref_cnt;
340 int top_cg_ref_cnt[MT8365_TOP_CG_NUM];
341 void __iomem *afe_sram_vir_addr;
342 unsigned int afe_sram_phy_addr;
343 unsigned int afe_sram_size;
344 /* locks */
345 spinlock_t afe_ctrl_lock;
346 struct mutex afe_clk_mutex; /* Protect & sync APLL TUNER registers access*/
347#ifdef CONFIG_DEBUG_FS
348 struct dentry *debugfs_dentry[MT8365_AFE_DEBUGFS_NUM];
349#endif
350 int apll_tuner_ref_cnt[MT8365_AFE_APLL_NUM];
351 unsigned int tdm_out_mode;
352 unsigned int cm2_mux_input;
353
354 /* dai */
355 bool dai_on[MT8365_AFE_BACKEND_END];
356 void *dai_priv[MT8365_AFE_BACKEND_END];
357};
358
359static inline u32 rx_frequency_palette(unsigned int fs)
360{
361 /* *
362 * A = (26M / fs) * 64
363 * B = 8125 / A
364 * return = DEC2HEX(B * 2^23)
365 */
366 switch (fs) {
367 case FS_8000HZ: return 0x050000;
368 case FS_11025HZ: return 0x06E400;
369 case FS_12000HZ: return 0x078000;
370 case FS_16000HZ: return 0x0A0000;
371 case FS_22050HZ: return 0x0DC800;
372 case FS_24000HZ: return 0x0F0000;
373 case FS_32000HZ: return 0x140000;
374 case FS_44100HZ: return 0x1B9000;
375 case FS_48000HZ: return 0x1E0000;
376 case FS_88200HZ: return 0x372000;
377 case FS_96000HZ: return 0x3C0000;
378 case FS_176400HZ: return 0x6E4000;
379 case FS_192000HZ: return 0x780000;
380 default: return 0x0;
381 }
382}
383
384static inline u32 AutoRstThHi(unsigned int fs)
385{
386 switch (fs) {
387 case FS_8000HZ: return 0x36000;
388 case FS_11025HZ: return 0x27000;
389 case FS_12000HZ: return 0x24000;
390 case FS_16000HZ: return 0x1B000;
391 case FS_22050HZ: return 0x14000;
392 case FS_24000HZ: return 0x12000;
393 case FS_32000HZ: return 0x0D800;
394 case FS_44100HZ: return 0x09D00;
395 case FS_48000HZ: return 0x08E00;
396 case FS_88200HZ: return 0x04E00;
397 case FS_96000HZ: return 0x04800;
398 case FS_176400HZ: return 0x02700;
399 case FS_192000HZ: return 0x02400;
400 default: return 0x0;
401 }
402}
403
404static inline u32 AutoRstThLo(unsigned int fs)
405{
406 switch (fs) {
407 case FS_8000HZ: return 0x30000;
408 case FS_11025HZ: return 0x23000;
409 case FS_12000HZ: return 0x20000;
410 case FS_16000HZ: return 0x18000;
411 case FS_22050HZ: return 0x11000;
412 case FS_24000HZ: return 0x0FE00;
413 case FS_32000HZ: return 0x0BE00;
414 case FS_44100HZ: return 0x08A00;
415 case FS_48000HZ: return 0x07F00;
416 case FS_88200HZ: return 0x04500;
417 case FS_96000HZ: return 0x04000;
418 case FS_176400HZ: return 0x02300;
419 case FS_192000HZ: return 0x02000;
420 default: return 0x0;
421 }
422}
423
424bool mt8365_afe_rate_supported(unsigned int rate, unsigned int id);
425bool mt8365_afe_channel_supported(unsigned int channel, unsigned int id);
426
427int mt8365_dai_i2s_register(struct mtk_base_afe *afe);
428int mt8365_dai_set_priv(struct mtk_base_afe *afe,
429 int id,
430 int priv_size,
431 const void *priv_data);
432
433int mt8365_afe_fs_timing(unsigned int rate);
434
435void mt8365_afe_set_i2s_out_enable(struct mtk_base_afe *afe, bool enable);
436int mt8365_afe_set_i2s_out(struct mtk_base_afe *afe, unsigned int rate, int bit_width);
437
438int mt8365_dai_adda_register(struct mtk_base_afe *afe);
439int mt8365_dai_enable_adda_on(struct mtk_base_afe *afe);
440int mt8365_dai_disable_adda_on(struct mtk_base_afe *afe);
441
442int mt8365_dai_dmic_register(struct mtk_base_afe *afe);
443
444int mt8365_dai_pcm_register(struct mtk_base_afe *afe);
445
446int mt8365_dai_tdm_register(struct mtk_base_afe *afe);
447
448#endif
449

source code of linux/sound/soc/mediatek/mt8365/mt8365-afe-common.h