xref: /linux/sound/soc/codecs/rt1320-sdw.c (revision 3fd6c59042dbba50391e30862beac979491145fe)
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), &amp_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, &regvalue[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, &regvalue[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, &regvalue);
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, &regvalue);
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