1 // SPDX-License-Identifier: GPL-2.0-only
2 //
3 // rt1320-sdw.c -- rt1320 SDCA ALSA SoC amplifier audio driver
4 //
5 // Copyright(c) 2024 Realtek Semiconductor Corp.
6 //
7 //
8 #include <linux/delay.h>
9 #include <linux/device.h>
10 #include <linux/pm_runtime.h>
11 #include <linux/mod_devicetable.h>
12 #include <linux/module.h>
13 #include <linux/regmap.h>
14 #include <linux/dmi.h>
15 #include <linux/firmware.h>
16 #include <sound/core.h>
17 #include <sound/pcm.h>
18 #include <sound/pcm_params.h>
19 #include <sound/soc-dapm.h>
20 #include <sound/initval.h>
21 #include <sound/tlv.h>
22 #include <sound/sdw.h>
23 #include "rt1320-sdw.h"
24 #include "rt-sdw-common.h"
25
26 /*
27 * The 'blind writes' is an SDCA term to deal with platform-specific initialization.
28 * It might include vendor-specific or SDCA control registers.
29 */
30 static const struct reg_sequence rt1320_blind_write[] = {
31 { 0xc003, 0xe0 },
32 { 0xc01b, 0xfc },
33 { 0xc5c3, 0xf2 },
34 { 0xc5c2, 0x00 },
35 { 0xc5c6, 0x10 },
36 { 0xc5c4, 0x12 },
37 { 0xc5c8, 0x03 },
38 { 0xc5d8, 0x0a },
39 { 0xc5f7, 0x22 },
40 { 0xc5f6, 0x22 },
41 { 0xc5d0, 0x0f },
42 { 0xc5d1, 0x89 },
43 { 0xc057, 0x51 },
44 { 0xc054, 0x35 },
45 { 0xc053, 0x55 },
46 { 0xc052, 0x55 },
47 { 0xc051, 0x13 },
48 { 0xc050, 0x15 },
49 { 0xc060, 0x77 },
50 { 0xc061, 0x55 },
51 { 0xc063, 0x55 },
52 { 0xc065, 0xa5 },
53 { 0xc06b, 0x0a },
54 { 0xca05, 0xd6 },
55 { 0xca25, 0xd6 },
56 { 0xcd00, 0x05 },
57 { 0xc604, 0x40 },
58 { 0xc609, 0x40 },
59 { 0xc046, 0xff },
60 { 0xc045, 0xff },
61 { 0xc044, 0xff },
62 { 0xc043, 0xff },
63 { 0xc042, 0xff },
64 { 0xc041, 0xff },
65 { 0xc040, 0xff },
66 { 0xcc10, 0x01 },
67 { 0xc700, 0xf0 },
68 { 0xc701, 0x13 },
69 { 0xc901, 0x04 },
70 { 0xc900, 0x73 },
71 { 0xde03, 0x05 },
72 { 0xdd0b, 0x0d },
73 { 0xdd0a, 0xff },
74 { 0xdd09, 0x0d },
75 { 0xdd08, 0xff },
76 { 0xc570, 0x08 },
77 { 0xe803, 0xbe },
78 { 0xc003, 0xc0 },
79 { 0xc081, 0xfe },
80 { 0xce31, 0x0d },
81 { 0xce30, 0xae },
82 { 0xce37, 0x0b },
83 { 0xce36, 0xd2 },
84 { 0xce39, 0x04 },
85 { 0xce38, 0x80 },
86 { 0xce3f, 0x00 },
87 { 0xce3e, 0x00 },
88 { 0xd470, 0x8b },
89 { 0xd471, 0x18 },
90 { 0xc019, 0x10 },
91 { 0xd487, 0x3f },
92 { 0xd486, 0xc3 },
93 { 0x3fc2bfc7, 0x00 },
94 { 0x3fc2bfc6, 0x00 },
95 { 0x3fc2bfc5, 0x00 },
96 { 0x3fc2bfc4, 0x01 },
97 { 0x0000d486, 0x43 },
98 { 0x1000db00, 0x02 },
99 { 0x1000db01, 0x00 },
100 { 0x1000db02, 0x11 },
101 { 0x1000db03, 0x00 },
102 { 0x1000db04, 0x00 },
103 { 0x1000db05, 0x82 },
104 { 0x1000db06, 0x04 },
105 { 0x1000db07, 0xf1 },
106 { 0x1000db08, 0x00 },
107 { 0x1000db09, 0x00 },
108 { 0x1000db0a, 0x40 },
109 { 0x0000d540, 0x01 },
110 { 0xd172, 0x2a },
111 { 0xc5d6, 0x01 },
112 };
113
114 static const struct reg_sequence rt1320_vc_blind_write[] = {
115 { 0xc003, 0xe0 },
116 { 0xe80a, 0x01 },
117 { 0xc5c3, 0xf3 },
118 { 0xc057, 0x51 },
119 { 0xc054, 0x35 },
120 { 0xca05, 0xd6 },
121 { 0xca07, 0x07 },
122 { 0xca25, 0xd6 },
123 { 0xca27, 0x07 },
124 { 0xc604, 0x40 },
125 { 0xc609, 0x40 },
126 { 0xc046, 0xff },
127 { 0xc045, 0xff },
128 { 0xda81, 0x14 },
129 { 0xda8d, 0x14 },
130 { 0xc044, 0xff },
131 { 0xc043, 0xff },
132 { 0xc042, 0xff },
133 { 0xc041, 0x7f },
134 { 0xc040, 0xff },
135 { 0xcc10, 0x01 },
136 { 0xc700, 0xf0 },
137 { 0xc701, 0x13 },
138 { 0xc901, 0x09 },
139 { 0xc900, 0xd0 },
140 { 0xde03, 0x05 },
141 { 0xdd0b, 0x0d },
142 { 0xdd0a, 0xff },
143 { 0xdd09, 0x0d },
144 { 0xdd08, 0xff },
145 { 0xc570, 0x08 },
146 { 0xc086, 0x02 },
147 { 0xc085, 0x7f },
148 { 0xc084, 0x00 },
149 { 0xc081, 0xfe },
150 { 0xf084, 0x0f },
151 { 0xf083, 0xff },
152 { 0xf082, 0xff },
153 { 0xf081, 0xff },
154 { 0xf080, 0xff },
155 { 0xe802, 0xf8 },
156 { 0xe803, 0xbe },
157 { 0xc003, 0xc0 },
158 { 0xd470, 0xec },
159 { 0xd471, 0x3a },
160 { 0xd474, 0x11 },
161 { 0xd475, 0x32 },
162 { 0xd478, 0x64 },
163 { 0xd479, 0x20 },
164 { 0xd47a, 0x10 },
165 { 0xd47c, 0xff },
166 { 0xc019, 0x10 },
167 { 0xd487, 0x0b },
168 { 0xd487, 0x3b },
169 { 0xd486, 0xc3 },
170 { 0xc598, 0x04 },
171 { 0xdb03, 0xf0 },
172 { 0xdb09, 0x00 },
173 { 0xdb08, 0x7a },
174 { 0xdb19, 0x02 },
175 { 0xdb07, 0x5a },
176 { 0xdb05, 0x45 },
177 { 0xd500, 0x00 },
178 { 0xd500, 0x17 },
179 { 0xd600, 0x01 },
180 { 0xd601, 0x02 },
181 { 0xd602, 0x03 },
182 { 0xd603, 0x04 },
183 { 0xd64c, 0x03 },
184 { 0xd64d, 0x03 },
185 { 0xd64e, 0x03 },
186 { 0xd64f, 0x03 },
187 { 0xd650, 0x03 },
188 { 0xd651, 0x03 },
189 { 0xd652, 0x03 },
190 { 0xd610, 0x01 },
191 { 0xd608, 0x03 },
192 { 0xd609, 0x00 },
193 { 0x3fc2bf83, 0x00 },
194 { 0x3fc2bf82, 0x00 },
195 { 0x3fc2bf81, 0x00 },
196 { 0x3fc2bf80, 0x00 },
197 { 0x3fc2bfc7, 0x00 },
198 { 0x3fc2bfc6, 0x00 },
199 { 0x3fc2bfc5, 0x00 },
200 { 0x3fc2bfc4, 0x00 },
201 { 0x3fc2bfc3, 0x00 },
202 { 0x3fc2bfc2, 0x00 },
203 { 0x3fc2bfc1, 0x00 },
204 { 0x3fc2bfc0, 0x03 },
205 { 0x0000d486, 0x43 },
206 { SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_PDE23, RT1320_SDCA_CTL_REQ_POWER_STATE, 0), 0x00 },
207 { 0x1000db00, 0x04 },
208 { 0x1000db01, 0x00 },
209 { 0x1000db02, 0x11 },
210 { 0x1000db03, 0x00 },
211 { 0x1000db04, 0x00 },
212 { 0x1000db05, 0x82 },
213 { 0x1000db06, 0x04 },
214 { 0x1000db07, 0xf1 },
215 { 0x1000db08, 0x00 },
216 { 0x1000db09, 0x00 },
217 { 0x1000db0a, 0x40 },
218 { 0x1000db0b, 0x02 },
219 { 0x1000db0c, 0xf2 },
220 { 0x1000db0d, 0x00 },
221 { 0x1000db0e, 0x00 },
222 { 0x1000db0f, 0xe0 },
223 { 0x1000db10, 0x00 },
224 { 0x1000db11, 0x10 },
225 { 0x1000db12, 0x00 },
226 { 0x1000db13, 0x00 },
227 { 0x1000db14, 0x45 },
228 { 0x0000d540, 0x01 },
229 { 0x0000c081, 0xfc },
230 { 0x0000f01e, 0x80 },
231 { 0xc01b, 0xfc },
232 { 0xc5d1, 0x89 },
233 { 0xc5d8, 0x0a },
234 { 0xc5f7, 0x22 },
235 { 0xc5f6, 0x22 },
236 { 0xc065, 0xa5 },
237 { 0xc06b, 0x0a },
238 { 0xd172, 0x2a },
239 { 0xc5d6, 0x01 },
240 { SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_PDE23, RT1320_SDCA_CTL_REQ_POWER_STATE, 0), 0x03 },
241 };
242
243 static const struct reg_default rt1320_reg_defaults[] = {
244 { SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_PDE11, RT1320_SDCA_CTL_REQ_POWER_STATE, 0), 0x03 },
245 { SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_FU113, RT1320_SDCA_CTL_FU_MUTE, CH_01), 0x01 },
246 { SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_FU113, RT1320_SDCA_CTL_FU_MUTE, CH_02), 0x01 },
247 { SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_FU14, RT1320_SDCA_CTL_FU_MUTE, CH_01), 0x01 },
248 { SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_FU14, RT1320_SDCA_CTL_FU_MUTE, CH_02), 0x01 },
249 { SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_CS113, RT1320_SDCA_CTL_SAMPLE_FREQ_INDEX, 0), 0x09 },
250 { SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_CS14, RT1320_SDCA_CTL_SAMPLE_FREQ_INDEX, 0), 0x0b },
251 { SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_PDE11, RT1320_SDCA_CTL_ACTUAL_POWER_STATE, 0), 0x03 },
252 { SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_FU21, RT1320_SDCA_CTL_FU_MUTE, CH_01), 0x01 },
253 { SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_FU21, RT1320_SDCA_CTL_FU_MUTE, CH_02), 0x01 },
254 { SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_PDE27, RT1320_SDCA_CTL_REQ_POWER_STATE, 0), 0x03 },
255 { SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_PDE23, RT1320_SDCA_CTL_REQ_POWER_STATE, 0), 0x03 },
256 { SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_PPU21, RT1320_SDCA_CTL_POSTURE_NUMBER, 0), 0x00 },
257 { SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_CS21, RT1320_SDCA_CTL_SAMPLE_FREQ_INDEX, 0), 0x09 },
258 { SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_PDE23, RT1320_SDCA_CTL_ACTUAL_POWER_STATE, 0), 0x03 },
259 };
260
261 static const struct reg_default rt1320_mbq_defaults[] = {
262 { SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_FU113, RT1320_SDCA_CTL_FU_VOLUME, CH_01), 0x0000 },
263 { SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_FU113, RT1320_SDCA_CTL_FU_VOLUME, CH_02), 0x0000 },
264 { SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_FU14, RT1320_SDCA_CTL_FU_VOLUME, CH_01), 0x0000 },
265 { SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_FU14, RT1320_SDCA_CTL_FU_VOLUME, CH_02), 0x0000 },
266 { SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_FU21, RT1320_SDCA_CTL_FU_VOLUME, CH_01), 0x0000 },
267 { SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_FU21, RT1320_SDCA_CTL_FU_VOLUME, CH_02), 0x0000 },
268 };
269
rt1320_readable_register(struct device * dev,unsigned int reg)270 static bool rt1320_readable_register(struct device *dev, unsigned int reg)
271 {
272 switch (reg) {
273 case 0xc000 ... 0xc086:
274 case 0xc400 ... 0xc409:
275 case 0xc480 ... 0xc48f:
276 case 0xc4c0 ... 0xc4c4:
277 case 0xc4e0 ... 0xc4e7:
278 case 0xc500:
279 case 0xc560 ... 0xc56b:
280 case 0xc570:
281 case 0xc580 ... 0xc59a:
282 case 0xc5b0 ... 0xc60f:
283 case 0xc640 ... 0xc64f:
284 case 0xc670:
285 case 0xc680 ... 0xc683:
286 case 0xc700 ... 0xc76f:
287 case 0xc800 ... 0xc801:
288 case 0xc820:
289 case 0xc900 ... 0xc901:
290 case 0xc920 ... 0xc921:
291 case 0xca00 ... 0xca07:
292 case 0xca20 ... 0xca27:
293 case 0xca40 ... 0xca4b:
294 case 0xca60 ... 0xca68:
295 case 0xca80 ... 0xca88:
296 case 0xcb00 ... 0xcb0c:
297 case 0xcc00 ... 0xcc12:
298 case 0xcc80 ... 0xcc81:
299 case 0xcd00:
300 case 0xcd80 ... 0xcd82:
301 case 0xce00 ... 0xce4d:
302 case 0xcf00 ... 0xcf25:
303 case 0xd000 ... 0xd0ff:
304 case 0xd100 ... 0xd1ff:
305 case 0xd200 ... 0xd2ff:
306 case 0xd300 ... 0xd3ff:
307 case 0xd400 ... 0xd403:
308 case 0xd410 ... 0xd417:
309 case 0xd470 ... 0xd497:
310 case 0xd4dc ... 0xd50f:
311 case 0xd520 ... 0xd543:
312 case 0xd560 ... 0xd5ef:
313 case 0xd600 ... 0xd663:
314 case 0xda00 ... 0xda6e:
315 case 0xda80 ... 0xda9e:
316 case 0xdb00 ... 0xdb7f:
317 case 0xdc00:
318 case 0xdc20 ... 0xdc21:
319 case 0xdd00 ... 0xdd17:
320 case 0xde00 ... 0xde09:
321 case 0xdf00 ... 0xdf1b:
322 case 0xe000 ... 0xe847:
323 case 0xf01e:
324 case 0xf717 ... 0xf719:
325 case 0xf720 ... 0xf723:
326 case 0x1000cd91 ... 0x1000cd96:
327 case 0x1000f008:
328 case 0x1000f021:
329 case 0x3fe2e000 ... 0x3fe2e003:
330 case 0x3fc2ab80 ... 0x3fc2abd4:
331 /* 0x40801508/0x40801809/0x4080180a/0x40801909/0x4080190a */
332 case SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_PDE11, RT1320_SDCA_CTL_REQ_POWER_STATE, 0):
333 case SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_FU113, RT1320_SDCA_CTL_FU_MUTE, CH_01):
334 case SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_FU113, RT1320_SDCA_CTL_FU_MUTE, CH_02):
335 case SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_FU14, RT1320_SDCA_CTL_FU_MUTE, CH_01):
336 case SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_FU14, RT1320_SDCA_CTL_FU_MUTE, CH_02):
337 /* 0x40880900/0x40880980 */
338 case SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_CS113, RT1320_SDCA_CTL_SAMPLE_FREQ_INDEX, 0):
339 case SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_CS14, RT1320_SDCA_CTL_SAMPLE_FREQ_INDEX, 0):
340 /* 0x40881500 */
341 case SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_PDE11, RT1320_SDCA_CTL_ACTUAL_POWER_STATE, 0):
342 /* 0x41000189/0x4100018a */
343 case SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_FU21, RT1320_SDCA_CTL_FU_MUTE, CH_01):
344 case SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_FU21, RT1320_SDCA_CTL_FU_MUTE, CH_02):
345 /* 0x41001388 */
346 case SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_PDE27, RT1320_SDCA_CTL_REQ_POWER_STATE, 0):
347 /* 0x41001988 */
348 case SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_PDE23, RT1320_SDCA_CTL_REQ_POWER_STATE, 0):
349 /* 0x41080000 */
350 case SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT0, RT1320_SDCA_CTL_FUNC_STATUS, 0):
351 /* 0x41080200 */
352 case SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_PPU21, RT1320_SDCA_CTL_POSTURE_NUMBER, 0):
353 /* 0x41080900 */
354 case SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_CS113, RT1320_SDCA_CTL_SAMPLE_FREQ_INDEX, 0):
355 /* 0x41080980 */
356 case SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_CS14, RT1320_SDCA_CTL_SAMPLE_FREQ_INDEX, 0):
357 /* 0x41081080 */
358 case SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_CS21, RT1320_SDCA_CTL_SAMPLE_FREQ_INDEX, 0):
359 /* 0x41081480/0x41081488 */
360 case SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_SAPU, RT1320_SDCA_CTL_SAPU_PROTECTION_MODE, 0):
361 case SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_SAPU, RT1320_SDCA_CTL_SAPU_PROTECTION_STATUS, 0):
362 /* 0x41081980 */
363 case SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_PDE23, RT1320_SDCA_CTL_ACTUAL_POWER_STATE, 0):
364 return true;
365 default:
366 return false;
367 }
368 }
369
rt1320_volatile_register(struct device * dev,unsigned int reg)370 static bool rt1320_volatile_register(struct device *dev, unsigned int reg)
371 {
372 switch (reg) {
373 case 0xc000:
374 case 0xc003:
375 case 0xc081:
376 case 0xc402 ... 0xc406:
377 case 0xc48c ... 0xc48f:
378 case 0xc560:
379 case 0xc5b5 ... 0xc5b7:
380 case 0xc5fc ... 0xc5ff:
381 case 0xc820:
382 case 0xc900:
383 case 0xc920:
384 case 0xca42:
385 case 0xca62:
386 case 0xca82:
387 case 0xcd00:
388 case 0xce03:
389 case 0xce10:
390 case 0xce14 ... 0xce17:
391 case 0xce44 ... 0xce49:
392 case 0xce4c ... 0xce4d:
393 case 0xcf0c:
394 case 0xcf10 ... 0xcf25:
395 case 0xd486 ... 0xd487:
396 case 0xd4e5 ... 0xd4e6:
397 case 0xd4e8 ... 0xd4ff:
398 case 0xd530:
399 case 0xd540:
400 case 0xd543:
401 case 0xdb58 ... 0xdb5f:
402 case 0xdb60 ... 0xdb63:
403 case 0xdb68 ... 0xdb69:
404 case 0xdb6d:
405 case 0xdb70 ... 0xdb71:
406 case 0xdb76:
407 case 0xdb7a:
408 case 0xdb7c ... 0xdb7f:
409 case 0xdd0c ... 0xdd13:
410 case 0xde02:
411 case 0xdf14 ... 0xdf1b:
412 case 0xe83c ... 0xe847:
413 case 0xf01e:
414 case 0xf717 ... 0xf719:
415 case 0xf720 ... 0xf723:
416 case 0x10000000 ... 0x10007fff:
417 case 0x1000c000 ... 0x1000dfff:
418 case 0x1000f008:
419 case 0x1000f021:
420 case 0x3fc2ab80 ... 0x3fc2abd4:
421 case 0x3fc2bf80 ... 0x3fc2bf83:
422 case 0x3fc2bfc0 ... 0x3fc2bfc7:
423 case 0x3fe2e000 ... 0x3fe2e003:
424 case SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_PDE11, RT1320_SDCA_CTL_ACTUAL_POWER_STATE, 0):
425 case SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT0, RT1320_SDCA_CTL_FUNC_STATUS, 0):
426 case SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_SAPU, RT1320_SDCA_CTL_SAPU_PROTECTION_MODE, 0):
427 case SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_SAPU, RT1320_SDCA_CTL_SAPU_PROTECTION_STATUS, 0):
428 case SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_PDE23, RT1320_SDCA_CTL_ACTUAL_POWER_STATE, 0):
429 return true;
430 default:
431 return false;
432 }
433 }
434
rt1320_mbq_readable_register(struct device * dev,unsigned int reg)435 static bool rt1320_mbq_readable_register(struct device *dev, unsigned int reg)
436 {
437 switch (reg) {
438 case SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_FU113, RT1320_SDCA_CTL_FU_VOLUME, CH_01):
439 case SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_FU113, RT1320_SDCA_CTL_FU_VOLUME, CH_02):
440 case SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_FU14, RT1320_SDCA_CTL_FU_VOLUME, CH_01):
441 case SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_FU14, RT1320_SDCA_CTL_FU_VOLUME, CH_02):
442 case SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_FU21, RT1320_SDCA_CTL_FU_VOLUME, CH_01):
443 case SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_FU21, RT1320_SDCA_CTL_FU_VOLUME, CH_02):
444 return true;
445 default:
446 return false;
447 }
448 }
449
450 static const struct regmap_config rt1320_sdw_regmap = {
451 .reg_bits = 32,
452 .val_bits = 8,
453 .readable_reg = rt1320_readable_register,
454 .volatile_reg = rt1320_volatile_register,
455 .max_register = 0x41081980,
456 .reg_defaults = rt1320_reg_defaults,
457 .num_reg_defaults = ARRAY_SIZE(rt1320_reg_defaults),
458 .cache_type = REGCACHE_MAPLE,
459 .use_single_read = true,
460 .use_single_write = true,
461 };
462
463 static const struct regmap_config rt1320_mbq_regmap = {
464 .name = "sdw-mbq",
465 .reg_bits = 32,
466 .val_bits = 16,
467 .readable_reg = rt1320_mbq_readable_register,
468 .max_register = 0x41000192,
469 .reg_defaults = rt1320_mbq_defaults,
470 .num_reg_defaults = ARRAY_SIZE(rt1320_mbq_defaults),
471 .cache_type = REGCACHE_MAPLE,
472 .use_single_read = true,
473 .use_single_write = true,
474 };
475
rt1320_read_prop(struct sdw_slave * slave)476 static int rt1320_read_prop(struct sdw_slave *slave)
477 {
478 struct sdw_slave_prop *prop = &slave->prop;
479 int nval;
480 int i, j;
481 u32 bit;
482 unsigned long addr;
483 struct sdw_dpn_prop *dpn;
484
485 /*
486 * Due to support the multi-lane, we call 'sdw_slave_read_prop' to get the lane mapping
487 */
488 sdw_slave_read_prop(slave);
489
490 prop->scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY;
491 prop->quirks = SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY;
492
493 prop->paging_support = true;
494 prop->lane_control_support = true;
495
496 /* first we need to allocate memory for set bits in port lists */
497 prop->source_ports = BIT(4) | BIT(8) | BIT(10);
498 prop->sink_ports = BIT(1);
499
500 nval = hweight32(prop->source_ports);
501 prop->src_dpn_prop = devm_kcalloc(&slave->dev, nval,
502 sizeof(*prop->src_dpn_prop), GFP_KERNEL);
503 if (!prop->src_dpn_prop)
504 return -ENOMEM;
505
506 i = 0;
507 dpn = prop->src_dpn_prop;
508 addr = prop->source_ports;
509 for_each_set_bit(bit, &addr, 32) {
510 dpn[i].num = bit;
511 dpn[i].type = SDW_DPN_FULL;
512 dpn[i].simple_ch_prep_sm = true;
513 dpn[i].ch_prep_timeout = 10;
514 i++;
515 }
516
517 /* do this again for sink now */
518 nval = hweight32(prop->sink_ports);
519 prop->sink_dpn_prop = devm_kcalloc(&slave->dev, nval,
520 sizeof(*prop->sink_dpn_prop), GFP_KERNEL);
521 if (!prop->sink_dpn_prop)
522 return -ENOMEM;
523
524 j = 0;
525 dpn = prop->sink_dpn_prop;
526 addr = prop->sink_ports;
527 for_each_set_bit(bit, &addr, 32) {
528 dpn[j].num = bit;
529 dpn[j].type = SDW_DPN_FULL;
530 dpn[j].simple_ch_prep_sm = true;
531 dpn[j].ch_prep_timeout = 10;
532 j++;
533 }
534
535 /* set the timeout values */
536 prop->clk_stop_timeout = 64;
537
538 return 0;
539 }
540
rt1320_pde_transition_delay(struct rt1320_sdw_priv * rt1320,unsigned char func,unsigned char entity,unsigned char ps)541 static int rt1320_pde_transition_delay(struct rt1320_sdw_priv *rt1320, unsigned char func,
542 unsigned char entity, unsigned char ps)
543 {
544 unsigned int delay = 1000, val;
545
546 pm_runtime_mark_last_busy(&rt1320->sdw_slave->dev);
547
548 /* waiting for Actual PDE becomes to PS0/PS3 */
549 while (delay) {
550 regmap_read(rt1320->regmap,
551 SDW_SDCA_CTL(func, entity, RT1320_SDCA_CTL_ACTUAL_POWER_STATE, 0), &val);
552 if (val == ps)
553 break;
554
555 usleep_range(1000, 1500);
556 delay--;
557 }
558 if (!delay) {
559 dev_warn(&rt1320->sdw_slave->dev, "%s PDE to %s is NOT ready", __func__, ps?"PS3":"PS0");
560 return -ETIMEDOUT;
561 }
562
563 return 0;
564 }
565
566 /*
567 * The 'patch code' is written to the patch code area.
568 * The patch code area is used for SDCA register expansion flexibility.
569 */
rt1320_load_mcu_patch(struct rt1320_sdw_priv * rt1320)570 static void rt1320_load_mcu_patch(struct rt1320_sdw_priv *rt1320)
571 {
572 struct sdw_slave *slave = rt1320->sdw_slave;
573 const struct firmware *patch;
574 const char *filename;
575 unsigned int addr, val;
576 const unsigned char *ptr;
577 int ret, i;
578
579 if (rt1320->version_id <= RT1320_VB)
580 filename = RT1320_VAB_MCU_PATCH;
581 else
582 filename = RT1320_VC_MCU_PATCH;
583
584 /* load the patch code here */
585 ret = request_firmware(&patch, filename, &slave->dev);
586 if (ret) {
587 dev_err(&slave->dev, "%s: Failed to load %s firmware", __func__, filename);
588 regmap_write(rt1320->regmap, 0xc598, 0x00);
589 regmap_write(rt1320->regmap, 0x10007000, 0x67);
590 regmap_write(rt1320->regmap, 0x10007001, 0x80);
591 regmap_write(rt1320->regmap, 0x10007002, 0x00);
592 regmap_write(rt1320->regmap, 0x10007003, 0x00);
593 } else {
594 ptr = (const unsigned char *)patch->data;
595 if ((patch->size % 8) == 0) {
596 for (i = 0; i < patch->size; i += 8) {
597 addr = (ptr[i] & 0xff) | (ptr[i + 1] & 0xff) << 8 |
598 (ptr[i + 2] & 0xff) << 16 | (ptr[i + 3] & 0xff) << 24;
599 val = (ptr[i + 4] & 0xff) | (ptr[i + 5] & 0xff) << 8 |
600 (ptr[i + 6] & 0xff) << 16 | (ptr[i + 7] & 0xff) << 24;
601
602 if (addr > 0x10007fff || addr < 0x10007000) {
603 dev_err(&slave->dev, "%s: the address 0x%x is wrong", __func__, addr);
604 goto _exit_;
605 }
606 if (val > 0xff) {
607 dev_err(&slave->dev, "%s: the value 0x%x is wrong", __func__, val);
608 goto _exit_;
609 }
610 regmap_write(rt1320->regmap, addr, val);
611 }
612 }
613 _exit_:
614 release_firmware(patch);
615 }
616 }
617
rt1320_vab_preset(struct rt1320_sdw_priv * rt1320)618 static void rt1320_vab_preset(struct rt1320_sdw_priv *rt1320)
619 {
620 unsigned int i, reg, val, delay;
621
622 for (i = 0; i < ARRAY_SIZE(rt1320_blind_write); i++) {
623 reg = rt1320_blind_write[i].reg;
624 val = rt1320_blind_write[i].def;
625 delay = rt1320_blind_write[i].delay_us;
626
627 if (reg == 0x3fc2bfc7)
628 rt1320_load_mcu_patch(rt1320);
629
630 regmap_write(rt1320->regmap, reg, val);
631 if (delay)
632 usleep_range(delay, delay + 1000);
633 }
634 }
635
rt1320_vc_preset(struct rt1320_sdw_priv * rt1320)636 static void rt1320_vc_preset(struct rt1320_sdw_priv *rt1320)
637 {
638 struct sdw_slave *slave = rt1320->sdw_slave;
639 unsigned int i, reg, val, delay, retry, tmp;
640
641 for (i = 0; i < ARRAY_SIZE(rt1320_vc_blind_write); i++) {
642 reg = rt1320_vc_blind_write[i].reg;
643 val = rt1320_vc_blind_write[i].def;
644 delay = rt1320_vc_blind_write[i].delay_us;
645
646 if (reg == 0x3fc2bf83)
647 rt1320_load_mcu_patch(rt1320);
648
649 if ((reg == SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_PDE23, RT1320_SDCA_CTL_REQ_POWER_STATE, 0)) &&
650 (val == 0x00)) {
651 retry = 200;
652 while (retry) {
653 regmap_read(rt1320->regmap, RT1320_KR0_INT_READY, &tmp);
654 dev_dbg(&slave->dev, "%s, RT1320_KR0_INT_READY=0x%x\n", __func__, tmp);
655 if (tmp == 0x1f)
656 break;
657 usleep_range(1000, 1500);
658 retry--;
659 }
660 if (!retry)
661 dev_warn(&slave->dev, "%s MCU is NOT ready!", __func__);
662 }
663 regmap_write(rt1320->regmap, reg, val);
664 if (delay)
665 usleep_range(delay, delay + 1000);
666
667 if (reg == SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_PDE23, RT1320_SDCA_CTL_REQ_POWER_STATE, 0))
668 rt1320_pde_transition_delay(rt1320, FUNC_NUM_AMP, RT1320_SDCA_ENT_PDE23, val);
669 }
670 }
671
rt1320_io_init(struct device * dev,struct sdw_slave * slave)672 static int rt1320_io_init(struct device *dev, struct sdw_slave *slave)
673 {
674 struct rt1320_sdw_priv *rt1320 = dev_get_drvdata(dev);
675 unsigned int amp_func_status, val, tmp;
676
677 if (rt1320->hw_init)
678 return 0;
679
680 regcache_cache_only(rt1320->regmap, false);
681 regcache_cache_only(rt1320->mbq_regmap, false);
682 if (rt1320->first_hw_init) {
683 regcache_cache_bypass(rt1320->regmap, true);
684 regcache_cache_bypass(rt1320->mbq_regmap, true);
685 } else {
686 /*
687 * PM runtime status is marked as 'active' only when a Slave reports as Attached
688 */
689 /* update count of parent 'active' children */
690 pm_runtime_set_active(&slave->dev);
691 }
692
693 pm_runtime_get_noresume(&slave->dev);
694
695 if (rt1320->version_id < 0) {
696 regmap_read(rt1320->regmap, RT1320_DEV_VERSION_ID_1, &val);
697 rt1320->version_id = val;
698 }
699
700 regmap_read(rt1320->regmap,
701 SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT0, RT1320_SDCA_CTL_FUNC_STATUS, 0), &_func_status);
702 dev_dbg(dev, "%s amp func_status=0x%x\n", __func__, amp_func_status);
703
704 /* initialization write */
705 if ((amp_func_status & FUNCTION_NEEDS_INITIALIZATION)) {
706 if (rt1320->version_id < RT1320_VC)
707 rt1320_vab_preset(rt1320);
708 else
709 rt1320_vc_preset(rt1320);
710
711 regmap_write(rt1320->regmap,
712 SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT0, RT1320_SDCA_CTL_FUNC_STATUS, 0),
713 FUNCTION_NEEDS_INITIALIZATION);
714 }
715 if (!rt1320->first_hw_init && rt1320->version_id == RT1320_VA) {
716 regmap_write(rt1320->regmap, SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_PDE23,
717 RT1320_SDCA_CTL_REQ_POWER_STATE, 0), 0);
718 regmap_read(rt1320->regmap, RT1320_HIFI_VER_0, &val);
719 regmap_read(rt1320->regmap, RT1320_HIFI_VER_1, &tmp);
720 val = (tmp << 8) | val;
721 regmap_read(rt1320->regmap, RT1320_HIFI_VER_2, &tmp);
722 val = (tmp << 16) | val;
723 regmap_read(rt1320->regmap, RT1320_HIFI_VER_3, &tmp);
724 val = (tmp << 24) | val;
725 dev_dbg(dev, "%s ROM version=0x%x\n", __func__, val);
726 /*
727 * We call the version b which has the new DSP ROM code against version a.
728 * Therefore, we read the DSP address to check the ID.
729 */
730 if (val == RT1320_VER_B_ID)
731 rt1320->version_id = RT1320_VB;
732 regmap_write(rt1320->regmap, SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_PDE23,
733 RT1320_SDCA_CTL_REQ_POWER_STATE, 0), 3);
734 }
735 dev_dbg(dev, "%s version_id=%d\n", __func__, rt1320->version_id);
736
737 if (rt1320->first_hw_init) {
738 regcache_cache_bypass(rt1320->regmap, false);
739 regcache_cache_bypass(rt1320->mbq_regmap, false);
740 regcache_mark_dirty(rt1320->regmap);
741 regcache_mark_dirty(rt1320->mbq_regmap);
742 }
743
744 /* Mark Slave initialization complete */
745 rt1320->first_hw_init = true;
746 rt1320->hw_init = true;
747
748 pm_runtime_mark_last_busy(&slave->dev);
749 pm_runtime_put_autosuspend(&slave->dev);
750
751 dev_dbg(&slave->dev, "%s hw_init complete\n", __func__);
752 return 0;
753 }
754
rt1320_update_status(struct sdw_slave * slave,enum sdw_slave_status status)755 static int rt1320_update_status(struct sdw_slave *slave,
756 enum sdw_slave_status status)
757 {
758 struct rt1320_sdw_priv *rt1320 = dev_get_drvdata(&slave->dev);
759
760 if (status == SDW_SLAVE_UNATTACHED)
761 rt1320->hw_init = false;
762
763 /*
764 * Perform initialization only if slave status is present and
765 * hw_init flag is false
766 */
767 if (rt1320->hw_init || status != SDW_SLAVE_ATTACHED)
768 return 0;
769
770 /* perform I/O transfers required for Slave initialization */
771 return rt1320_io_init(&slave->dev, slave);
772 }
773
rt1320_pde11_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)774 static int rt1320_pde11_event(struct snd_soc_dapm_widget *w,
775 struct snd_kcontrol *kcontrol, int event)
776 {
777 struct snd_soc_component *component =
778 snd_soc_dapm_to_component(w->dapm);
779 struct rt1320_sdw_priv *rt1320 = snd_soc_component_get_drvdata(component);
780 unsigned char ps0 = 0x0, ps3 = 0x3;
781
782 switch (event) {
783 case SND_SOC_DAPM_POST_PMU:
784 regmap_write(rt1320->regmap,
785 SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_PDE11,
786 RT1320_SDCA_CTL_REQ_POWER_STATE, 0), ps0);
787 rt1320_pde_transition_delay(rt1320, FUNC_NUM_MIC, RT1320_SDCA_ENT_PDE11, ps0);
788 break;
789 case SND_SOC_DAPM_PRE_PMD:
790 regmap_write(rt1320->regmap,
791 SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_PDE11,
792 RT1320_SDCA_CTL_REQ_POWER_STATE, 0), ps3);
793 rt1320_pde_transition_delay(rt1320, FUNC_NUM_MIC, RT1320_SDCA_ENT_PDE11, ps3);
794 break;
795 default:
796 break;
797 }
798
799 return 0;
800 }
801
rt1320_pde23_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)802 static int rt1320_pde23_event(struct snd_soc_dapm_widget *w,
803 struct snd_kcontrol *kcontrol, int event)
804 {
805 struct snd_soc_component *component =
806 snd_soc_dapm_to_component(w->dapm);
807 struct rt1320_sdw_priv *rt1320 = snd_soc_component_get_drvdata(component);
808 unsigned char ps0 = 0x0, ps3 = 0x3;
809
810 switch (event) {
811 case SND_SOC_DAPM_POST_PMU:
812 regmap_write(rt1320->regmap,
813 SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_PDE23,
814 RT1320_SDCA_CTL_REQ_POWER_STATE, 0), ps0);
815 rt1320_pde_transition_delay(rt1320, FUNC_NUM_AMP, RT1320_SDCA_ENT_PDE23, ps0);
816 break;
817 case SND_SOC_DAPM_PRE_PMD:
818 regmap_write(rt1320->regmap,
819 SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_PDE23,
820 RT1320_SDCA_CTL_REQ_POWER_STATE, 0), ps3);
821 rt1320_pde_transition_delay(rt1320, FUNC_NUM_AMP, RT1320_SDCA_ENT_PDE23, ps3);
822 break;
823 default:
824 break;
825 }
826
827 return 0;
828 }
829
rt1320_set_gain_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)830 static int rt1320_set_gain_put(struct snd_kcontrol *kcontrol,
831 struct snd_ctl_elem_value *ucontrol)
832 {
833 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
834 struct soc_mixer_control *mc =
835 (struct soc_mixer_control *)kcontrol->private_value;
836 struct rt1320_sdw_priv *rt1320 = snd_soc_component_get_drvdata(component);
837 unsigned int gain_l_val, gain_r_val;
838 unsigned int lvalue, rvalue;
839 const unsigned int interval_offset = 0xc0;
840 unsigned int changed = 0, reg_base;
841 struct rt_sdca_dmic_kctrl_priv *p;
842 unsigned int regvalue[4], gain_val[4], i;
843 int err;
844
845 if (strstr(ucontrol->id.name, "FU Capture Volume"))
846 goto _dmic_vol_;
847
848 regmap_read(rt1320->mbq_regmap, mc->reg, &lvalue);
849 regmap_read(rt1320->mbq_regmap, mc->rreg, &rvalue);
850
851 /* L Channel */
852 gain_l_val = ucontrol->value.integer.value[0];
853 if (gain_l_val > mc->max)
854 gain_l_val = mc->max;
855 gain_l_val = 0 - ((mc->max - gain_l_val) * interval_offset);
856 gain_l_val &= 0xffff;
857
858 /* R Channel */
859 gain_r_val = ucontrol->value.integer.value[1];
860 if (gain_r_val > mc->max)
861 gain_r_val = mc->max;
862 gain_r_val = 0 - ((mc->max - gain_r_val) * interval_offset);
863 gain_r_val &= 0xffff;
864
865 if (lvalue == gain_l_val && rvalue == gain_r_val)
866 return 0;
867
868 /* Lch*/
869 regmap_write(rt1320->mbq_regmap, mc->reg, gain_l_val);
870 /* Rch */
871 regmap_write(rt1320->mbq_regmap, mc->rreg, gain_r_val);
872 goto _done_;
873
874 _dmic_vol_:
875 p = (struct rt_sdca_dmic_kctrl_priv *)kcontrol->private_value;
876
877 /* check all channels */
878 for (i = 0; i < p->count; i++) {
879 if (i < 2) {
880 reg_base = SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_FU113, RT1320_SDCA_CTL_FU_VOLUME, CH_01);
881 regmap_read(rt1320->mbq_regmap, reg_base + i, ®value[i]);
882 } else {
883 reg_base = SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_FU14, RT1320_SDCA_CTL_FU_VOLUME, CH_01);
884 regmap_read(rt1320->mbq_regmap, reg_base + i - 2, ®value[i]);
885 }
886
887 gain_val[i] = ucontrol->value.integer.value[i];
888 if (gain_val[i] > p->max)
889 gain_val[i] = p->max;
890
891 gain_val[i] = 0x1e00 - ((p->max - gain_val[i]) * interval_offset);
892 gain_val[i] &= 0xffff;
893 if (regvalue[i] != gain_val[i])
894 changed = 1;
895 }
896
897 if (!changed)
898 return 0;
899
900 for (i = 0; i < p->count; i++) {
901 if (i < 2) {
902 reg_base = SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_FU113, RT1320_SDCA_CTL_FU_VOLUME, CH_01);
903 err = regmap_write(rt1320->mbq_regmap, reg_base + i, gain_val[i]);
904 } else {
905 reg_base = SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_FU14, RT1320_SDCA_CTL_FU_VOLUME, CH_01);
906 err = regmap_write(rt1320->mbq_regmap, reg_base + i - 2, gain_val[i]);
907 }
908
909 if (err < 0)
910 dev_err(&rt1320->sdw_slave->dev, "0x%08x can't be set\n", reg_base + i);
911 }
912
913 _done_:
914 return 1;
915 }
916
rt1320_set_gain_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)917 static int rt1320_set_gain_get(struct snd_kcontrol *kcontrol,
918 struct snd_ctl_elem_value *ucontrol)
919 {
920 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
921 struct rt1320_sdw_priv *rt1320 = snd_soc_component_get_drvdata(component);
922 struct soc_mixer_control *mc =
923 (struct soc_mixer_control *)kcontrol->private_value;
924 unsigned int read_l, read_r, ctl_l = 0, ctl_r = 0;
925 const unsigned int interval_offset = 0xc0;
926 unsigned int reg_base, regvalue, ctl, i;
927 struct rt_sdca_dmic_kctrl_priv *p;
928
929 if (strstr(ucontrol->id.name, "FU Capture Volume"))
930 goto _dmic_vol_;
931
932 regmap_read(rt1320->mbq_regmap, mc->reg, &read_l);
933 regmap_read(rt1320->mbq_regmap, mc->rreg, &read_r);
934
935 ctl_l = mc->max - (((0 - read_l) & 0xffff) / interval_offset);
936
937 if (read_l != read_r)
938 ctl_r = mc->max - (((0 - read_r) & 0xffff) / interval_offset);
939 else
940 ctl_r = ctl_l;
941
942 ucontrol->value.integer.value[0] = ctl_l;
943 ucontrol->value.integer.value[1] = ctl_r;
944 goto _done_;
945
946 _dmic_vol_:
947 p = (struct rt_sdca_dmic_kctrl_priv *)kcontrol->private_value;
948
949 /* check all channels */
950 for (i = 0; i < p->count; i++) {
951 if (i < 2) {
952 reg_base = SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_FU113, RT1320_SDCA_CTL_FU_VOLUME, CH_01);
953 regmap_read(rt1320->mbq_regmap, reg_base + i, ®value);
954 } else {
955 reg_base = SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_FU14, RT1320_SDCA_CTL_FU_VOLUME, CH_01);
956 regmap_read(rt1320->mbq_regmap, reg_base + i - 2, ®value);
957 }
958
959 ctl = p->max - (((0x1e00 - regvalue) & 0xffff) / interval_offset);
960 ucontrol->value.integer.value[i] = ctl;
961 }
962 _done_:
963 return 0;
964 }
965
rt1320_set_fu_capture_ctl(struct rt1320_sdw_priv * rt1320)966 static int rt1320_set_fu_capture_ctl(struct rt1320_sdw_priv *rt1320)
967 {
968 int err, i;
969 unsigned int ch_mute;
970
971 for (i = 0; i < ARRAY_SIZE(rt1320->fu_mixer_mute); i++) {
972 ch_mute = (rt1320->fu_dapm_mute || rt1320->fu_mixer_mute[i]) ? 0x01 : 0x00;
973
974 if (i < 2)
975 err = regmap_write(rt1320->regmap,
976 SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_FU113,
977 RT1320_SDCA_CTL_FU_MUTE, CH_01) + i, ch_mute);
978 else
979 err = regmap_write(rt1320->regmap,
980 SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_FU14,
981 RT1320_SDCA_CTL_FU_MUTE, CH_01) + i - 2, ch_mute);
982 if (err < 0)
983 return err;
984 }
985
986 return 0;
987 }
988
rt1320_dmic_fu_capture_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)989 static int rt1320_dmic_fu_capture_get(struct snd_kcontrol *kcontrol,
990 struct snd_ctl_elem_value *ucontrol)
991 {
992 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
993 struct rt1320_sdw_priv *rt1320 = snd_soc_component_get_drvdata(component);
994 struct rt_sdca_dmic_kctrl_priv *p =
995 (struct rt_sdca_dmic_kctrl_priv *)kcontrol->private_value;
996 unsigned int i;
997
998 for (i = 0; i < p->count; i++)
999 ucontrol->value.integer.value[i] = !rt1320->fu_mixer_mute[i];
1000
1001 return 0;
1002 }
1003
rt1320_dmic_fu_capture_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1004 static int rt1320_dmic_fu_capture_put(struct snd_kcontrol *kcontrol,
1005 struct snd_ctl_elem_value *ucontrol)
1006 {
1007 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
1008 struct rt1320_sdw_priv *rt1320 = snd_soc_component_get_drvdata(component);
1009 struct rt_sdca_dmic_kctrl_priv *p =
1010 (struct rt_sdca_dmic_kctrl_priv *)kcontrol->private_value;
1011 int err, changed = 0, i;
1012
1013 for (i = 0; i < p->count; i++) {
1014 if (rt1320->fu_mixer_mute[i] != !ucontrol->value.integer.value[i])
1015 changed = 1;
1016 rt1320->fu_mixer_mute[i] = !ucontrol->value.integer.value[i];
1017 }
1018
1019 err = rt1320_set_fu_capture_ctl(rt1320);
1020 if (err < 0)
1021 return err;
1022
1023 return changed;
1024 }
1025
rt1320_dmic_fu_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)1026 static int rt1320_dmic_fu_info(struct snd_kcontrol *kcontrol,
1027 struct snd_ctl_elem_info *uinfo)
1028 {
1029 struct rt_sdca_dmic_kctrl_priv *p =
1030 (struct rt_sdca_dmic_kctrl_priv *)kcontrol->private_value;
1031
1032 if (p->max == 1)
1033 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1034 else
1035 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1036 uinfo->count = p->count;
1037 uinfo->value.integer.min = 0;
1038 uinfo->value.integer.max = p->max;
1039 return 0;
1040 }
1041
rt1320_dmic_fu_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)1042 static int rt1320_dmic_fu_event(struct snd_soc_dapm_widget *w,
1043 struct snd_kcontrol *kcontrol, int event)
1044 {
1045 struct snd_soc_component *component =
1046 snd_soc_dapm_to_component(w->dapm);
1047 struct rt1320_sdw_priv *rt1320 = snd_soc_component_get_drvdata(component);
1048
1049 switch (event) {
1050 case SND_SOC_DAPM_POST_PMU:
1051 rt1320->fu_dapm_mute = false;
1052 rt1320_set_fu_capture_ctl(rt1320);
1053 break;
1054 case SND_SOC_DAPM_PRE_PMD:
1055 rt1320->fu_dapm_mute = true;
1056 rt1320_set_fu_capture_ctl(rt1320);
1057 break;
1058 }
1059 return 0;
1060 }
1061
1062 static const char * const rt1320_rx_data_ch_select[] = {
1063 "L,R",
1064 "R,L",
1065 "L,L",
1066 "R,R",
1067 "L,L+R",
1068 "R,L+R",
1069 "L+R,L",
1070 "L+R,R",
1071 "L+R,L+R",
1072 };
1073
1074 static SOC_ENUM_SINGLE_DECL(rt1320_rx_data_ch_enum,
1075 SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_PPU21, RT1320_SDCA_CTL_POSTURE_NUMBER, 0), 0,
1076 rt1320_rx_data_ch_select);
1077
1078 static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6525, 75, 0);
1079 static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -1725, 75, 0);
1080
1081 static const struct snd_kcontrol_new rt1320_snd_controls[] = {
1082 SOC_DOUBLE_R_EXT_TLV("FU21 Playback Volume",
1083 SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_FU21, RT1320_SDCA_CTL_FU_VOLUME, CH_01),
1084 SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_FU21, RT1320_SDCA_CTL_FU_VOLUME, CH_02),
1085 0, 0x57, 0, rt1320_set_gain_get, rt1320_set_gain_put, out_vol_tlv),
1086 SOC_ENUM("RX Channel Select", rt1320_rx_data_ch_enum),
1087
1088 RT_SDCA_FU_CTRL("FU Capture Switch",
1089 SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_FU113, RT1320_SDCA_CTL_FU_MUTE, CH_01),
1090 1, 1, 4, rt1320_dmic_fu_info, rt1320_dmic_fu_capture_get, rt1320_dmic_fu_capture_put),
1091 RT_SDCA_EXT_TLV("FU Capture Volume",
1092 SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_FU113, RT1320_SDCA_CTL_FU_VOLUME, CH_01),
1093 rt1320_set_gain_get, rt1320_set_gain_put, 4, 0x3f, in_vol_tlv, rt1320_dmic_fu_info),
1094 };
1095
1096 static const struct snd_kcontrol_new rt1320_spk_l_dac =
1097 SOC_DAPM_SINGLE_AUTODISABLE("Switch",
1098 SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_FU21, RT1320_SDCA_CTL_FU_MUTE, CH_01),
1099 0, 1, 1);
1100 static const struct snd_kcontrol_new rt1320_spk_r_dac =
1101 SOC_DAPM_SINGLE_AUTODISABLE("Switch",
1102 SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_FU21, RT1320_SDCA_CTL_FU_MUTE, CH_02),
1103 0, 1, 1);
1104
1105 static const struct snd_soc_dapm_widget rt1320_dapm_widgets[] = {
1106 /* Audio Interface */
1107 SND_SOC_DAPM_AIF_IN("DP1RX", "DP1 Playback", 0, SND_SOC_NOPM, 0, 0),
1108 SND_SOC_DAPM_AIF_OUT("DP4TX", "DP4 Capture", 0, SND_SOC_NOPM, 0, 0),
1109 SND_SOC_DAPM_AIF_OUT("DP8-10TX", "DP8-10 Capture", 0, SND_SOC_NOPM, 0, 0),
1110
1111 /* Digital Interface */
1112 SND_SOC_DAPM_PGA("FU21", SND_SOC_NOPM, 0, 0, NULL, 0),
1113 SND_SOC_DAPM_SUPPLY("PDE 23", SND_SOC_NOPM, 0, 0,
1114 rt1320_pde23_event,
1115 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1116 SND_SOC_DAPM_SUPPLY("PDE 11", SND_SOC_NOPM, 0, 0,
1117 rt1320_pde11_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1118 SND_SOC_DAPM_ADC("FU 113", NULL, SND_SOC_NOPM, 0, 0),
1119 SND_SOC_DAPM_ADC("FU 14", NULL, SND_SOC_NOPM, 0, 0),
1120 SND_SOC_DAPM_PGA_E("FU", SND_SOC_NOPM, 0, 0, NULL, 0,
1121 rt1320_dmic_fu_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1122
1123 /* Output */
1124 SND_SOC_DAPM_SWITCH("OT23 L", SND_SOC_NOPM, 0, 0, &rt1320_spk_l_dac),
1125 SND_SOC_DAPM_SWITCH("OT23 R", SND_SOC_NOPM, 0, 0, &rt1320_spk_r_dac),
1126 SND_SOC_DAPM_OUTPUT("SPOL"),
1127 SND_SOC_DAPM_OUTPUT("SPOR"),
1128
1129 /* Input */
1130 SND_SOC_DAPM_PGA("AEC Data", SND_SOC_NOPM, 0, 0, NULL, 0),
1131 SND_SOC_DAPM_SIGGEN("AEC Gen"),
1132 SND_SOC_DAPM_INPUT("DMIC1"),
1133 SND_SOC_DAPM_INPUT("DMIC2"),
1134 };
1135
1136 static const struct snd_soc_dapm_route rt1320_dapm_routes[] = {
1137 { "FU21", NULL, "DP1RX" },
1138 { "FU21", NULL, "PDE 23" },
1139 { "OT23 L", "Switch", "FU21" },
1140 { "OT23 R", "Switch", "FU21" },
1141 { "SPOL", NULL, "OT23 L" },
1142 { "SPOR", NULL, "OT23 R" },
1143
1144 { "AEC Data", NULL, "AEC Gen" },
1145 { "DP4TX", NULL, "AEC Data" },
1146
1147 {"DP8-10TX", NULL, "FU"},
1148 {"FU", NULL, "PDE 11"},
1149 {"FU", NULL, "FU 113"},
1150 {"FU", NULL, "FU 14"},
1151 {"FU 113", NULL, "DMIC1"},
1152 {"FU 14", NULL, "DMIC2"},
1153 };
1154
rt1320_set_sdw_stream(struct snd_soc_dai * dai,void * sdw_stream,int direction)1155 static int rt1320_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream,
1156 int direction)
1157 {
1158 snd_soc_dai_dma_data_set(dai, direction, sdw_stream);
1159 return 0;
1160 }
1161
rt1320_sdw_shutdown(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)1162 static void rt1320_sdw_shutdown(struct snd_pcm_substream *substream,
1163 struct snd_soc_dai *dai)
1164 {
1165 snd_soc_dai_set_dma_data(dai, substream, NULL);
1166 }
1167
rt1320_sdw_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)1168 static int rt1320_sdw_hw_params(struct snd_pcm_substream *substream,
1169 struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
1170 {
1171 struct snd_soc_component *component = dai->component;
1172 struct rt1320_sdw_priv *rt1320 =
1173 snd_soc_component_get_drvdata(component);
1174 struct sdw_stream_config stream_config;
1175 struct sdw_port_config port_config;
1176 struct sdw_port_config dmic_port_config[2];
1177 struct sdw_stream_runtime *sdw_stream;
1178 int retval;
1179 unsigned int sampling_rate;
1180
1181 dev_dbg(dai->dev, "%s %s", __func__, dai->name);
1182 sdw_stream = snd_soc_dai_get_dma_data(dai, substream);
1183
1184 if (!sdw_stream)
1185 return -EINVAL;
1186
1187 if (!rt1320->sdw_slave)
1188 return -EINVAL;
1189
1190 /* SoundWire specific configuration */
1191 snd_sdw_params_to_config(substream, params, &stream_config, &port_config);
1192
1193 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1194 if (dai->id == RT1320_AIF1)
1195 port_config.num = 1;
1196 else
1197 return -EINVAL;
1198 } else {
1199 if (dai->id == RT1320_AIF1)
1200 port_config.num = 4;
1201 else if (dai->id == RT1320_AIF2) {
1202 dmic_port_config[0].ch_mask = BIT(0) | BIT(1);
1203 dmic_port_config[0].num = 8;
1204 dmic_port_config[1].ch_mask = BIT(0) | BIT(1);
1205 dmic_port_config[1].num = 10;
1206 } else
1207 return -EINVAL;
1208 }
1209
1210 if (dai->id == RT1320_AIF1)
1211 retval = sdw_stream_add_slave(rt1320->sdw_slave, &stream_config,
1212 &port_config, 1, sdw_stream);
1213 else if (dai->id == RT1320_AIF2)
1214 retval = sdw_stream_add_slave(rt1320->sdw_slave, &stream_config,
1215 dmic_port_config, 2, sdw_stream);
1216 else
1217 return -EINVAL;
1218 if (retval) {
1219 dev_err(dai->dev, "%s: Unable to configure port\n", __func__);
1220 return retval;
1221 }
1222
1223 /* sampling rate configuration */
1224 switch (params_rate(params)) {
1225 case 16000:
1226 sampling_rate = RT1320_SDCA_RATE_16000HZ;
1227 break;
1228 case 32000:
1229 sampling_rate = RT1320_SDCA_RATE_32000HZ;
1230 break;
1231 case 44100:
1232 sampling_rate = RT1320_SDCA_RATE_44100HZ;
1233 break;
1234 case 48000:
1235 sampling_rate = RT1320_SDCA_RATE_48000HZ;
1236 break;
1237 case 96000:
1238 sampling_rate = RT1320_SDCA_RATE_96000HZ;
1239 break;
1240 case 192000:
1241 sampling_rate = RT1320_SDCA_RATE_192000HZ;
1242 break;
1243 default:
1244 dev_err(component->dev, "%s: Rate %d is not supported\n",
1245 __func__, params_rate(params));
1246 return -EINVAL;
1247 }
1248
1249 /* set sampling frequency */
1250 if (dai->id == RT1320_AIF1)
1251 regmap_write(rt1320->regmap,
1252 SDW_SDCA_CTL(FUNC_NUM_AMP, RT1320_SDCA_ENT_CS21, RT1320_SDCA_CTL_SAMPLE_FREQ_INDEX, 0),
1253 sampling_rate);
1254 else {
1255 regmap_write(rt1320->regmap,
1256 SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_CS113, RT1320_SDCA_CTL_SAMPLE_FREQ_INDEX, 0),
1257 sampling_rate);
1258 regmap_write(rt1320->regmap,
1259 SDW_SDCA_CTL(FUNC_NUM_MIC, RT1320_SDCA_ENT_CS14, RT1320_SDCA_CTL_SAMPLE_FREQ_INDEX, 0),
1260 sampling_rate);
1261 }
1262
1263 return 0;
1264 }
1265
rt1320_sdw_pcm_hw_free(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)1266 static int rt1320_sdw_pcm_hw_free(struct snd_pcm_substream *substream,
1267 struct snd_soc_dai *dai)
1268 {
1269 struct snd_soc_component *component = dai->component;
1270 struct rt1320_sdw_priv *rt1320 =
1271 snd_soc_component_get_drvdata(component);
1272 struct sdw_stream_runtime *sdw_stream =
1273 snd_soc_dai_get_dma_data(dai, substream);
1274
1275 if (!rt1320->sdw_slave)
1276 return -EINVAL;
1277
1278 sdw_stream_remove_slave(rt1320->sdw_slave, sdw_stream);
1279 return 0;
1280 }
1281
1282 /*
1283 * slave_ops: callbacks for get_clock_stop_mode, clock_stop and
1284 * port_prep are not defined for now
1285 */
1286 static const struct sdw_slave_ops rt1320_slave_ops = {
1287 .read_prop = rt1320_read_prop,
1288 .update_status = rt1320_update_status,
1289 };
1290
rt1320_sdw_component_probe(struct snd_soc_component * component)1291 static int rt1320_sdw_component_probe(struct snd_soc_component *component)
1292 {
1293 int ret;
1294 struct rt1320_sdw_priv *rt1320 = snd_soc_component_get_drvdata(component);
1295
1296 rt1320->component = component;
1297
1298 if (!rt1320->first_hw_init)
1299 return 0;
1300
1301 ret = pm_runtime_resume(component->dev);
1302 dev_dbg(&rt1320->sdw_slave->dev, "%s pm_runtime_resume, ret=%d", __func__, ret);
1303 if (ret < 0 && ret != -EACCES)
1304 return ret;
1305
1306 return 0;
1307 }
1308
1309 static const struct snd_soc_component_driver soc_component_sdw_rt1320 = {
1310 .probe = rt1320_sdw_component_probe,
1311 .controls = rt1320_snd_controls,
1312 .num_controls = ARRAY_SIZE(rt1320_snd_controls),
1313 .dapm_widgets = rt1320_dapm_widgets,
1314 .num_dapm_widgets = ARRAY_SIZE(rt1320_dapm_widgets),
1315 .dapm_routes = rt1320_dapm_routes,
1316 .num_dapm_routes = ARRAY_SIZE(rt1320_dapm_routes),
1317 .endianness = 1,
1318 };
1319
1320 static const struct snd_soc_dai_ops rt1320_aif_dai_ops = {
1321 .hw_params = rt1320_sdw_hw_params,
1322 .hw_free = rt1320_sdw_pcm_hw_free,
1323 .set_stream = rt1320_set_sdw_stream,
1324 .shutdown = rt1320_sdw_shutdown,
1325 };
1326
1327 #define RT1320_STEREO_RATES (SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
1328 SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_192000)
1329 #define RT1320_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | \
1330 SNDRV_PCM_FMTBIT_S32_LE)
1331
1332 static struct snd_soc_dai_driver rt1320_sdw_dai[] = {
1333 {
1334 .name = "rt1320-aif1",
1335 .id = RT1320_AIF1,
1336 .playback = {
1337 .stream_name = "DP1 Playback",
1338 .channels_min = 1,
1339 .channels_max = 2,
1340 .rates = RT1320_STEREO_RATES,
1341 .formats = RT1320_FORMATS,
1342 },
1343 .capture = {
1344 .stream_name = "DP4 Capture",
1345 .channels_min = 1,
1346 .channels_max = 2,
1347 .rates = RT1320_STEREO_RATES,
1348 .formats = RT1320_FORMATS,
1349 },
1350 .ops = &rt1320_aif_dai_ops,
1351 },
1352 /* DMIC: DP8 2ch + DP10 2ch */
1353 {
1354 .name = "rt1320-aif2",
1355 .id = RT1320_AIF2,
1356 .capture = {
1357 .stream_name = "DP8-10 Capture",
1358 .channels_min = 1,
1359 .channels_max = 4,
1360 .rates = RT1320_STEREO_RATES,
1361 .formats = RT1320_FORMATS,
1362 },
1363 .ops = &rt1320_aif_dai_ops,
1364 },
1365 };
1366
rt1320_sdw_init(struct device * dev,struct regmap * regmap,struct regmap * mbq_regmap,struct sdw_slave * slave)1367 static int rt1320_sdw_init(struct device *dev, struct regmap *regmap,
1368 struct regmap *mbq_regmap, struct sdw_slave *slave)
1369 {
1370 struct rt1320_sdw_priv *rt1320;
1371 int ret;
1372
1373 rt1320 = devm_kzalloc(dev, sizeof(*rt1320), GFP_KERNEL);
1374 if (!rt1320)
1375 return -ENOMEM;
1376
1377 dev_set_drvdata(dev, rt1320);
1378 rt1320->sdw_slave = slave;
1379 rt1320->mbq_regmap = mbq_regmap;
1380 rt1320->regmap = regmap;
1381
1382 regcache_cache_only(rt1320->regmap, true);
1383 regcache_cache_only(rt1320->mbq_regmap, true);
1384
1385 /*
1386 * Mark hw_init to false
1387 * HW init will be performed when device reports present
1388 */
1389 rt1320->hw_init = false;
1390 rt1320->first_hw_init = false;
1391 rt1320->version_id = -1;
1392 rt1320->fu_dapm_mute = true;
1393 rt1320->fu_mixer_mute[0] = rt1320->fu_mixer_mute[1] =
1394 rt1320->fu_mixer_mute[2] = rt1320->fu_mixer_mute[3] = true;
1395
1396 ret = devm_snd_soc_register_component(dev,
1397 &soc_component_sdw_rt1320,
1398 rt1320_sdw_dai,
1399 ARRAY_SIZE(rt1320_sdw_dai));
1400 if (ret < 0)
1401 return ret;
1402
1403 /* set autosuspend parameters */
1404 pm_runtime_set_autosuspend_delay(dev, 3000);
1405 pm_runtime_use_autosuspend(dev);
1406
1407 /* make sure the device does not suspend immediately */
1408 pm_runtime_mark_last_busy(dev);
1409
1410 pm_runtime_enable(dev);
1411
1412 /* important note: the device is NOT tagged as 'active' and will remain
1413 * 'suspended' until the hardware is enumerated/initialized. This is required
1414 * to make sure the ASoC framework use of pm_runtime_get_sync() does not silently
1415 * fail with -EACCESS because of race conditions between card creation and enumeration
1416 */
1417
1418 dev_dbg(dev, "%s\n", __func__);
1419
1420 return ret;
1421 }
1422
rt1320_sdw_probe(struct sdw_slave * slave,const struct sdw_device_id * id)1423 static int rt1320_sdw_probe(struct sdw_slave *slave,
1424 const struct sdw_device_id *id)
1425 {
1426 struct regmap *regmap, *mbq_regmap;
1427
1428 /* Regmap Initialization */
1429 mbq_regmap = devm_regmap_init_sdw_mbq(slave, &rt1320_mbq_regmap);
1430 if (IS_ERR(mbq_regmap))
1431 return PTR_ERR(mbq_regmap);
1432
1433 regmap = devm_regmap_init_sdw(slave, &rt1320_sdw_regmap);
1434 if (IS_ERR(regmap))
1435 return PTR_ERR(regmap);
1436
1437 return rt1320_sdw_init(&slave->dev, regmap, mbq_regmap, slave);
1438 }
1439
rt1320_sdw_remove(struct sdw_slave * slave)1440 static int rt1320_sdw_remove(struct sdw_slave *slave)
1441 {
1442 pm_runtime_disable(&slave->dev);
1443
1444 return 0;
1445 }
1446
1447 /*
1448 * Version A/B will use the class id 0
1449 * The newer version than A/B will use the class id 1, so add it in advance
1450 */
1451 static const struct sdw_device_id rt1320_id[] = {
1452 SDW_SLAVE_ENTRY_EXT(0x025d, 0x1320, 0x3, 0x0, 0),
1453 SDW_SLAVE_ENTRY_EXT(0x025d, 0x1320, 0x3, 0x1, 0),
1454 {},
1455 };
1456 MODULE_DEVICE_TABLE(sdw, rt1320_id);
1457
rt1320_dev_suspend(struct device * dev)1458 static int __maybe_unused rt1320_dev_suspend(struct device *dev)
1459 {
1460 struct rt1320_sdw_priv *rt1320 = dev_get_drvdata(dev);
1461
1462 if (!rt1320->hw_init)
1463 return 0;
1464
1465 regcache_cache_only(rt1320->regmap, true);
1466 regcache_cache_only(rt1320->mbq_regmap, true);
1467 return 0;
1468 }
1469
1470 #define RT1320_PROBE_TIMEOUT 5000
1471
rt1320_dev_resume(struct device * dev)1472 static int __maybe_unused rt1320_dev_resume(struct device *dev)
1473 {
1474 struct sdw_slave *slave = dev_to_sdw_dev(dev);
1475 struct rt1320_sdw_priv *rt1320 = dev_get_drvdata(dev);
1476 unsigned long time;
1477
1478 if (!rt1320->first_hw_init)
1479 return 0;
1480
1481 if (!slave->unattach_request)
1482 goto regmap_sync;
1483
1484 time = wait_for_completion_timeout(&slave->initialization_complete,
1485 msecs_to_jiffies(RT1320_PROBE_TIMEOUT));
1486 if (!time) {
1487 dev_err(&slave->dev, "%s: Initialization not complete, timed out\n", __func__);
1488 return -ETIMEDOUT;
1489 }
1490
1491 regmap_sync:
1492 slave->unattach_request = 0;
1493 regcache_cache_only(rt1320->regmap, false);
1494 regcache_sync(rt1320->regmap);
1495 regcache_cache_only(rt1320->mbq_regmap, false);
1496 regcache_sync(rt1320->mbq_regmap);
1497 return 0;
1498 }
1499
1500 static const struct dev_pm_ops rt1320_pm = {
1501 SET_SYSTEM_SLEEP_PM_OPS(rt1320_dev_suspend, rt1320_dev_resume)
1502 SET_RUNTIME_PM_OPS(rt1320_dev_suspend, rt1320_dev_resume, NULL)
1503 };
1504
1505 static struct sdw_driver rt1320_sdw_driver = {
1506 .driver = {
1507 .name = "rt1320-sdca",
1508 .pm = &rt1320_pm,
1509 },
1510 .probe = rt1320_sdw_probe,
1511 .remove = rt1320_sdw_remove,
1512 .ops = &rt1320_slave_ops,
1513 .id_table = rt1320_id,
1514 };
1515 module_sdw_driver(rt1320_sdw_driver);
1516
1517 MODULE_DESCRIPTION("ASoC RT1320 driver SDCA SDW");
1518 MODULE_AUTHOR("Shuming Fan <shumingf@realtek.com>");
1519 MODULE_LICENSE("GPL");
1520