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accel/qaic: Add AIC200 support
[drm/drm-misc.git] / sound / soc / tegra / tegra210_mixer.c
blob410259d98dfb30875af899ed8735080e71fba888
1 // SPDX-License-Identifier: GPL-2.0-only
2 // SPDX-FileCopyrightText: Copyright (c) 2021-2024 NVIDIA CORPORATION & AFFILIATES.
3 // All rights reserved.
4 //
5 // tegra210_mixer.c - Tegra210 MIXER driver
6
7 #include <linux/clk.h>
8 #include <linux/device.h>
9 #include <linux/io.h>
10 #include <linux/mod_devicetable.h>
11 #include <linux/module.h>
12 #include <linux/platform_device.h>
13 #include <linux/pm_runtime.h>
14 #include <linux/regmap.h>
15 #include <sound/core.h>
16 #include <sound/pcm.h>
17 #include <sound/pcm_params.h>
18 #include <sound/soc.h>
19
20 #include "tegra210_mixer.h"
21 #include "tegra_cif.h"
22
23 #define MIXER_REG(reg, id) ((reg) + ((id) * TEGRA210_MIXER_REG_STRIDE))
24 #define MIXER_REG_BASE(reg) ((reg) % TEGRA210_MIXER_REG_STRIDE)
25
26 #define MIXER_GAIN_CFG_RAM_ADDR(id) \
27 (TEGRA210_MIXER_GAIN_CFG_RAM_ADDR_0 + \
28 ((id) * TEGRA210_MIXER_GAIN_CFG_RAM_ADDR_STRIDE))
29
30 #define MIXER_RX_REG_DEFAULTS(id) \
31 { MIXER_REG(TEGRA210_MIXER_RX1_CIF_CTRL, id), 0x00007700}, \
32 { MIXER_REG(TEGRA210_MIXER_RX1_CTRL, id), 0x00010823}, \
33 { MIXER_REG(TEGRA210_MIXER_RX1_PEAK_CTRL, id), 0x000012c0}
34
35 #define MIXER_TX_REG_DEFAULTS(id) \
36 { MIXER_REG(TEGRA210_MIXER_TX1_INT_MASK, (id)), 0x00000001}, \
37 { MIXER_REG(TEGRA210_MIXER_TX1_CIF_CTRL, (id)), 0x00007700}
38
39 #define REG_DURATION_PARAM(reg, i) ((reg) + NUM_GAIN_POLY_COEFFS + 1 + (i))
40
41 static const struct reg_default tegra210_mixer_reg_defaults[] = {
42 /* Inputs */
43 MIXER_RX_REG_DEFAULTS(0),
44 MIXER_RX_REG_DEFAULTS(1),
45 MIXER_RX_REG_DEFAULTS(2),
46 MIXER_RX_REG_DEFAULTS(3),
47 MIXER_RX_REG_DEFAULTS(4),
48 MIXER_RX_REG_DEFAULTS(5),
49 MIXER_RX_REG_DEFAULTS(6),
50 MIXER_RX_REG_DEFAULTS(7),
51 MIXER_RX_REG_DEFAULTS(8),
52 MIXER_RX_REG_DEFAULTS(9),
53 /* Outputs */
54 MIXER_TX_REG_DEFAULTS(0),
55 MIXER_TX_REG_DEFAULTS(1),
56 MIXER_TX_REG_DEFAULTS(2),
57 MIXER_TX_REG_DEFAULTS(3),
58 MIXER_TX_REG_DEFAULTS(4),
59
60 { TEGRA210_MIXER_CG, 0x00000001},
61 { TEGRA210_MIXER_GAIN_CFG_RAM_CTRL, 0x00004000},
62 { TEGRA210_MIXER_PEAKM_RAM_CTRL, 0x00004000},
63 { TEGRA210_MIXER_ENABLE, 0x1 },
64 };
65
66 /* Default gain parameters */
67 static const struct tegra210_mixer_gain_params gain_params = {
68 /* Polynomial coefficients */
69 { 0, 0, 0, 0, 0, 0, 0, 0x1000000, 0 },
70 /* Gain value */
71 0x10000,
72 /* Duration Parameters */
73 { 0, 0, 0x400, 0x8000000 },
74 };
75
76 static int __maybe_unused tegra210_mixer_runtime_suspend(struct device *dev)
77 {
78 struct tegra210_mixer *mixer = dev_get_drvdata(dev);
79
80 regcache_cache_only(mixer->regmap, true);
81 regcache_mark_dirty(mixer->regmap);
82
83 return 0;
84 }
85
86 static int __maybe_unused tegra210_mixer_runtime_resume(struct device *dev)
87 {
88 struct tegra210_mixer *mixer = dev_get_drvdata(dev);
89
90 regcache_cache_only(mixer->regmap, false);
91 regcache_sync(mixer->regmap);
92
93 return 0;
94 }
95
96 static int tegra210_mixer_write_ram(struct tegra210_mixer *mixer,
97 unsigned int addr,
98 unsigned int coef)
99 {
100 unsigned int reg, val;
101 int err;
102
103 /* Check if busy */
104 err = regmap_read_poll_timeout(mixer->regmap,
105 TEGRA210_MIXER_GAIN_CFG_RAM_CTRL,
106 val, !(val & 0x80000000), 10, 10000);
107 if (err < 0)
108 return err;
109
110 reg = (addr << TEGRA210_MIXER_GAIN_CFG_RAM_ADDR_SHIFT) &
111 TEGRA210_MIXER_GAIN_CFG_RAM_ADDR_MASK;
112 reg |= TEGRA210_MIXER_GAIN_CFG_RAM_ADDR_INIT_EN;
113 reg |= TEGRA210_MIXER_GAIN_CFG_RAM_RW_WRITE;
114 reg |= TEGRA210_MIXER_GAIN_CFG_RAM_SEQ_ACCESS_EN;
115
116 regmap_write(mixer->regmap,
117 TEGRA210_MIXER_GAIN_CFG_RAM_CTRL,
118 reg);
119 regmap_write(mixer->regmap,
120 TEGRA210_MIXER_GAIN_CFG_RAM_DATA,
121 coef);
122
123 return 0;
124 }
125
126 static int tegra210_mixer_configure_gain(struct snd_soc_component *cmpnt,
127 unsigned int id, bool instant_gain)
128 {
129 struct tegra210_mixer *mixer = snd_soc_component_get_drvdata(cmpnt);
130 unsigned int reg = MIXER_GAIN_CFG_RAM_ADDR(id);
131 int err, i;
132
133 pm_runtime_get_sync(cmpnt->dev);
134
135 /* Write default gain poly coefficients */
136 for (i = 0; i < NUM_GAIN_POLY_COEFFS; i++) {
137 err = tegra210_mixer_write_ram(mixer, reg + i,
138 gain_params.poly_coeff[i]);
139
140 if (err < 0)
141 goto rpm_put;
142 }
143
144 /* Write stored gain value */
145 err = tegra210_mixer_write_ram(mixer, reg + NUM_GAIN_POLY_COEFFS,
146 mixer->gain_value[id]);
147 if (err < 0)
148 goto rpm_put;
149
150 /* Write duration parameters */
151 for (i = 0; i < NUM_DURATION_PARMS; i++) {
152 int val;
153
154 if (instant_gain)
155 val = 1;
156 else
157 val = gain_params.duration[i];
158
159 err = tegra210_mixer_write_ram(mixer,
160 REG_DURATION_PARAM(reg, i),
161 val);
162 if (err < 0)
163 goto rpm_put;
164 }
165
166 /* Trigger to apply gain configurations */
167 err = tegra210_mixer_write_ram(mixer, reg + REG_CFG_DONE_TRIGGER,
168 VAL_CFG_DONE_TRIGGER);
169
170 rpm_put:
171 pm_runtime_put(cmpnt->dev);
172
173 return err;
174 }
175
176 static int tegra210_mixer_get_gain(struct snd_kcontrol *kcontrol,
177 struct snd_ctl_elem_value *ucontrol)
178 {
179 struct soc_mixer_control *mc =
180 (struct soc_mixer_control *)kcontrol->private_value;
181 struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
182 struct tegra210_mixer *mixer = snd_soc_component_get_drvdata(cmpnt);
183 unsigned int reg = mc->reg;
184 unsigned int i;
185
186 i = (reg - TEGRA210_MIXER_GAIN_CFG_RAM_ADDR_0) /
187 TEGRA210_MIXER_GAIN_CFG_RAM_ADDR_STRIDE;
188
189 ucontrol->value.integer.value[0] = mixer->gain_value[i];
190
191 return 0;
192 }
193
194 static int tegra210_mixer_apply_gain(struct snd_kcontrol *kcontrol,
195 struct snd_ctl_elem_value *ucontrol,
196 bool instant_gain)
197 {
198 struct soc_mixer_control *mc =
199 (struct soc_mixer_control *)kcontrol->private_value;
200 struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
201 struct tegra210_mixer *mixer = snd_soc_component_get_drvdata(cmpnt);
202 unsigned int reg = mc->reg, id;
203 int err;
204
205 /* Save gain value for specific MIXER input */
206 id = (reg - TEGRA210_MIXER_GAIN_CFG_RAM_ADDR_0) /
207 TEGRA210_MIXER_GAIN_CFG_RAM_ADDR_STRIDE;
208
209 if (mixer->gain_value[id] == ucontrol->value.integer.value[0])
210 return 0;
211
212 mixer->gain_value[id] = ucontrol->value.integer.value[0];
213
214 err = tegra210_mixer_configure_gain(cmpnt, id, instant_gain);
215 if (err) {
216 dev_err(cmpnt->dev, "Failed to apply gain\n");
217 return err;
218 }
219
220 return 1;
221 }
222
223 static int tegra210_mixer_put_gain(struct snd_kcontrol *kcontrol,
224 struct snd_ctl_elem_value *ucontrol)
225 {
226 return tegra210_mixer_apply_gain(kcontrol, ucontrol, false);
227 }
228
229 static int tegra210_mixer_put_instant_gain(struct snd_kcontrol *kcontrol,
230 struct snd_ctl_elem_value *ucontrol)
231 {
232 return tegra210_mixer_apply_gain(kcontrol, ucontrol, true);
233 }
234
235 static int tegra210_mixer_set_audio_cif(struct tegra210_mixer *mixer,
236 struct snd_pcm_hw_params *params,
237 unsigned int reg,
238 unsigned int id)
239 {
240 unsigned int channels, audio_bits;
241 struct tegra_cif_conf cif_conf;
242
243 memset(&cif_conf, 0, sizeof(struct tegra_cif_conf));
244
245 channels = params_channels(params);
246
247 switch (params_format(params)) {
248 case SNDRV_PCM_FORMAT_S16_LE:
249 audio_bits = TEGRA_ACIF_BITS_16;
250 break;
251 case SNDRV_PCM_FORMAT_S24_LE:
252 case SNDRV_PCM_FORMAT_S32_LE:
253 audio_bits = TEGRA_ACIF_BITS_32;
254 break;
255 default:
256 return -EINVAL;
257 }
258
259 cif_conf.audio_ch = channels;
260 cif_conf.client_ch = channels;
261 cif_conf.audio_bits = audio_bits;
262 cif_conf.client_bits = audio_bits;
263
264 tegra_set_cif(mixer->regmap,
265 reg + (id * TEGRA210_MIXER_REG_STRIDE),
266 &cif_conf);
267
268 return 0;
269 }
270
271 static int tegra210_mixer_in_hw_params(struct snd_pcm_substream *substream,
272 struct snd_pcm_hw_params *params,
273 struct snd_soc_dai *dai)
274 {
275 struct tegra210_mixer *mixer = snd_soc_dai_get_drvdata(dai);
276 int err;
277
278 err = tegra210_mixer_set_audio_cif(mixer, params,
279 TEGRA210_MIXER_RX1_CIF_CTRL,
280 dai->id);
281 if (err < 0)
282 return err;
283
284 return tegra210_mixer_configure_gain(dai->component, dai->id, false);
285 }
286
287 static int tegra210_mixer_out_hw_params(struct snd_pcm_substream *substream,
288 struct snd_pcm_hw_params *params,
289 struct snd_soc_dai *dai)
290 {
291 struct tegra210_mixer *mixer = snd_soc_dai_get_drvdata(dai);
292
293 return tegra210_mixer_set_audio_cif(mixer, params,
294 TEGRA210_MIXER_TX1_CIF_CTRL,
295 dai->id - TEGRA210_MIXER_RX_MAX);
296 }
297
298 static const struct snd_soc_dai_ops tegra210_mixer_out_dai_ops = {
299 .hw_params = tegra210_mixer_out_hw_params,
300 };
301
302 static const struct snd_soc_dai_ops tegra210_mixer_in_dai_ops = {
303 .hw_params = tegra210_mixer_in_hw_params,
304 };
305
306 #define IN_DAI(id) \
307 { \
308 .name = "MIXER-RX-CIF"#id, \
309 .playback = { \
310 .stream_name = "RX" #id "-CIF-Playback",\
311 .channels_min = 1, \
312 .channels_max = 8, \
313 .rates = SNDRV_PCM_RATE_8000_192000, \
314 .formats = SNDRV_PCM_FMTBIT_S8 | \
315 SNDRV_PCM_FMTBIT_S16_LE | \
316 SNDRV_PCM_FMTBIT_S24_LE | \
317 SNDRV_PCM_FMTBIT_S32_LE, \
318 }, \
319 .capture = { \
320 .stream_name = "RX" #id "-CIF-Capture", \
321 .channels_min = 1, \
322 .channels_max = 8, \
323 .rates = SNDRV_PCM_RATE_8000_192000, \
324 .formats = SNDRV_PCM_FMTBIT_S8 | \
325 SNDRV_PCM_FMTBIT_S16_LE | \
326 SNDRV_PCM_FMTBIT_S24_LE | \
327 SNDRV_PCM_FMTBIT_S32_LE, \
328 }, \
329 .ops = &tegra210_mixer_in_dai_ops, \
330 }
331
332 #define OUT_DAI(id) \
333 { \
334 .name = "MIXER-TX-CIF" #id, \
335 .playback = { \
336 .stream_name = "TX" #id "-CIF-Playback",\
337 .channels_min = 1, \
338 .channels_max = 8, \
339 .rates = SNDRV_PCM_RATE_8000_192000, \
340 .formats = SNDRV_PCM_FMTBIT_S8 | \
341 SNDRV_PCM_FMTBIT_S16_LE | \
342 SNDRV_PCM_FMTBIT_S24_LE | \
343 SNDRV_PCM_FMTBIT_S32_LE, \
344 }, \
345 .capture = { \
346 .stream_name = "TX" #id "-CIF-Capture", \
347 .channels_min = 1, \
348 .channels_max = 8, \
349 .rates = SNDRV_PCM_RATE_8000_192000, \
350 .formats = SNDRV_PCM_FMTBIT_S8 | \
351 SNDRV_PCM_FMTBIT_S16_LE | \
352 SNDRV_PCM_FMTBIT_S24_LE | \
353 SNDRV_PCM_FMTBIT_S32_LE, \
354 }, \
355 .ops = &tegra210_mixer_out_dai_ops, \
356 }
357
358 static struct snd_soc_dai_driver tegra210_mixer_dais[] = {
359 /* Mixer Input */
360 IN_DAI(1),
361 IN_DAI(2),
362 IN_DAI(3),
363 IN_DAI(4),
364 IN_DAI(5),
365 IN_DAI(6),
366 IN_DAI(7),
367 IN_DAI(8),
368 IN_DAI(9),
369 IN_DAI(10),
370
371 /* Mixer Output */
372 OUT_DAI(1),
373 OUT_DAI(2),
374 OUT_DAI(3),
375 OUT_DAI(4),
376 OUT_DAI(5),
377 };
378
379 #define ADDER_CTRL_DECL(name, reg) \
380 static const struct snd_kcontrol_new name[] = { \
381 SOC_DAPM_SINGLE("RX1", reg, 0, 1, 0), \
382 SOC_DAPM_SINGLE("RX2", reg, 1, 1, 0), \
383 SOC_DAPM_SINGLE("RX3", reg, 2, 1, 0), \
384 SOC_DAPM_SINGLE("RX4", reg, 3, 1, 0), \
385 SOC_DAPM_SINGLE("RX5", reg, 4, 1, 0), \
386 SOC_DAPM_SINGLE("RX6", reg, 5, 1, 0), \
387 SOC_DAPM_SINGLE("RX7", reg, 6, 1, 0), \
388 SOC_DAPM_SINGLE("RX8", reg, 7, 1, 0), \
389 SOC_DAPM_SINGLE("RX9", reg, 8, 1, 0), \
390 SOC_DAPM_SINGLE("RX10", reg, 9, 1, 0), \
391 }
392
393 ADDER_CTRL_DECL(adder1, TEGRA210_MIXER_TX1_ADDER_CONFIG);
394 ADDER_CTRL_DECL(adder2, TEGRA210_MIXER_TX2_ADDER_CONFIG);
395 ADDER_CTRL_DECL(adder3, TEGRA210_MIXER_TX3_ADDER_CONFIG);
396 ADDER_CTRL_DECL(adder4, TEGRA210_MIXER_TX4_ADDER_CONFIG);
397 ADDER_CTRL_DECL(adder5, TEGRA210_MIXER_TX5_ADDER_CONFIG);
398
399 #define GAIN_CTRL(id) \
400 SOC_SINGLE_EXT("RX" #id " Gain Volume", \
401 MIXER_GAIN_CFG_RAM_ADDR((id) - 1), 0, \
402 0x20000, 0, tegra210_mixer_get_gain, \
403 tegra210_mixer_put_gain), \
404 SOC_SINGLE_EXT("RX" #id " Instant Gain Volume", \
405 MIXER_GAIN_CFG_RAM_ADDR((id) - 1), 0, \
406 0x20000, 0, tegra210_mixer_get_gain, \
407 tegra210_mixer_put_instant_gain),
408
409 /* Volume controls for all MIXER inputs */
410 static const struct snd_kcontrol_new tegra210_mixer_gain_ctls[] = {
411 GAIN_CTRL(1)
412 GAIN_CTRL(2)
413 GAIN_CTRL(3)
414 GAIN_CTRL(4)
415 GAIN_CTRL(5)
416 GAIN_CTRL(6)
417 GAIN_CTRL(7)
418 GAIN_CTRL(8)
419 GAIN_CTRL(9)
420 GAIN_CTRL(10)
421 };
422
423 static const struct snd_soc_dapm_widget tegra210_mixer_widgets[] = {
424 SND_SOC_DAPM_AIF_IN("RX1", NULL, 0, SND_SOC_NOPM, 0, 0),
425 SND_SOC_DAPM_AIF_IN("RX2", NULL, 0, SND_SOC_NOPM, 0, 0),
426 SND_SOC_DAPM_AIF_IN("RX3", NULL, 0, SND_SOC_NOPM, 0, 0),
427 SND_SOC_DAPM_AIF_IN("RX4", NULL, 0, SND_SOC_NOPM, 0, 0),
428 SND_SOC_DAPM_AIF_IN("RX5", NULL, 0, SND_SOC_NOPM, 0, 0),
429 SND_SOC_DAPM_AIF_IN("RX6", NULL, 0, SND_SOC_NOPM, 0, 0),
430 SND_SOC_DAPM_AIF_IN("RX7", NULL, 0, SND_SOC_NOPM, 0, 0),
431 SND_SOC_DAPM_AIF_IN("RX8", NULL, 0, SND_SOC_NOPM, 0, 0),
432 SND_SOC_DAPM_AIF_IN("RX9", NULL, 0, SND_SOC_NOPM, 0, 0),
433 SND_SOC_DAPM_AIF_IN("RX10", NULL, 0, SND_SOC_NOPM, 0, 0),
434 SND_SOC_DAPM_AIF_OUT("TX1", NULL, 0, TEGRA210_MIXER_TX1_ENABLE, 0, 0),
435 SND_SOC_DAPM_AIF_OUT("TX2", NULL, 0, TEGRA210_MIXER_TX2_ENABLE, 0, 0),
436 SND_SOC_DAPM_AIF_OUT("TX3", NULL, 0, TEGRA210_MIXER_TX3_ENABLE, 0, 0),
437 SND_SOC_DAPM_AIF_OUT("TX4", NULL, 0, TEGRA210_MIXER_TX4_ENABLE, 0, 0),
438 SND_SOC_DAPM_AIF_OUT("TX5", NULL, 0, TEGRA210_MIXER_TX5_ENABLE, 0, 0),
439 SND_SOC_DAPM_MIXER("Adder1", SND_SOC_NOPM, 1, 0, adder1,
440 ARRAY_SIZE(adder1)),
441 SND_SOC_DAPM_MIXER("Adder2", SND_SOC_NOPM, 1, 0, adder2,
442 ARRAY_SIZE(adder2)),
443 SND_SOC_DAPM_MIXER("Adder3", SND_SOC_NOPM, 1, 0, adder3,
444 ARRAY_SIZE(adder3)),
445 SND_SOC_DAPM_MIXER("Adder4", SND_SOC_NOPM, 1, 0, adder4,
446 ARRAY_SIZE(adder4)),
447 SND_SOC_DAPM_MIXER("Adder5", SND_SOC_NOPM, 1, 0, adder5,
448 ARRAY_SIZE(adder5)),
449 };
450
451 #define RX_ROUTES(id, sname) \
452 { "RX" #id " XBAR-" sname, NULL, "RX" #id " XBAR-TX" }, \
453 { "RX" #id "-CIF-" sname, NULL, "RX" #id " XBAR-" sname }, \
454 { "RX" #id, NULL, "RX" #id "-CIF-" sname }
455
456 #define MIXER_RX_ROUTES(id) \
457 RX_ROUTES(id, "Playback"), \
458 RX_ROUTES(id, "Capture")
459
460 #define ADDER_ROUTES(id, sname) \
461 { "Adder" #id, "RX1", "RX1" }, \
462 { "Adder" #id, "RX2", "RX2" }, \
463 { "Adder" #id, "RX3", "RX3" }, \
464 { "Adder" #id, "RX4", "RX4" }, \
465 { "Adder" #id, "RX5", "RX5" }, \
466 { "Adder" #id, "RX6", "RX6" }, \
467 { "Adder" #id, "RX7", "RX7" }, \
468 { "Adder" #id, "RX8", "RX8" }, \
469 { "Adder" #id, "RX9", "RX9" }, \
470 { "Adder" #id, "RX10", "RX10" }, \
471 { "TX" #id, NULL, "Adder" #id }, \
472 { "TX" #id "-CIF-" sname, NULL, "TX" #id }, \
473 { "TX" #id " XBAR-" sname, NULL, "TX" #id "-CIF-" sname }, \
474 { "TX" #id " XBAR-RX", NULL, "TX" #id " XBAR-" sname } \
475
476 #define TX_ROUTES(id, sname) \
477 ADDER_ROUTES(1, sname), \
478 ADDER_ROUTES(2, sname), \
479 ADDER_ROUTES(3, sname), \
480 ADDER_ROUTES(4, sname), \
481 ADDER_ROUTES(5, sname)
482
483 #define MIXER_TX_ROUTES(id) \
484 TX_ROUTES(id, "Playback"), \
485 TX_ROUTES(id, "Capture")
486
487 static const struct snd_soc_dapm_route tegra210_mixer_routes[] = {
488 /* Input */
489 MIXER_RX_ROUTES(1),
490 MIXER_RX_ROUTES(2),
491 MIXER_RX_ROUTES(3),
492 MIXER_RX_ROUTES(4),
493 MIXER_RX_ROUTES(5),
494 MIXER_RX_ROUTES(6),
495 MIXER_RX_ROUTES(7),
496 MIXER_RX_ROUTES(8),
497 MIXER_RX_ROUTES(9),
498 MIXER_RX_ROUTES(10),
499 /* Output */
500 MIXER_TX_ROUTES(1),
501 MIXER_TX_ROUTES(2),
502 MIXER_TX_ROUTES(3),
503 MIXER_TX_ROUTES(4),
504 MIXER_TX_ROUTES(5),
505 };
506
507 static const struct snd_soc_component_driver tegra210_mixer_cmpnt = {
508 .dapm_widgets = tegra210_mixer_widgets,
509 .num_dapm_widgets = ARRAY_SIZE(tegra210_mixer_widgets),
510 .dapm_routes = tegra210_mixer_routes,
511 .num_dapm_routes = ARRAY_SIZE(tegra210_mixer_routes),
512 .controls = tegra210_mixer_gain_ctls,
513 .num_controls = ARRAY_SIZE(tegra210_mixer_gain_ctls),
514 };
515
516 static bool tegra210_mixer_wr_reg(struct device *dev,
517 unsigned int reg)
518 {
519 if (reg < TEGRA210_MIXER_RX_LIMIT)
520 reg = MIXER_REG_BASE(reg);
521 else if (reg < TEGRA210_MIXER_TX_LIMIT)
522 reg = MIXER_REG_BASE(reg) + TEGRA210_MIXER_TX1_ENABLE;
523
524 switch (reg) {
525 case TEGRA210_MIXER_RX1_SOFT_RESET:
526 case TEGRA210_MIXER_RX1_CIF_CTRL ... TEGRA210_MIXER_RX1_PEAK_CTRL:
527
528 case TEGRA210_MIXER_TX1_ENABLE:
529 case TEGRA210_MIXER_TX1_SOFT_RESET:
530 case TEGRA210_MIXER_TX1_INT_MASK ... TEGRA210_MIXER_TX1_ADDER_CONFIG:
531
532 case TEGRA210_MIXER_ENABLE ... TEGRA210_MIXER_CG:
533 case TEGRA210_MIXER_GAIN_CFG_RAM_CTRL ... TEGRA210_MIXER_CTRL:
534 return true;
535 default:
536 return false;
537 }
538 }
539
540 static bool tegra210_mixer_rd_reg(struct device *dev,
541 unsigned int reg)
542 {
543 if (reg < TEGRA210_MIXER_RX_LIMIT)
544 reg = MIXER_REG_BASE(reg);
545 else if (reg < TEGRA210_MIXER_TX_LIMIT)
546 reg = MIXER_REG_BASE(reg) + TEGRA210_MIXER_TX1_ENABLE;
547
548 switch (reg) {
549 case TEGRA210_MIXER_RX1_SOFT_RESET ... TEGRA210_MIXER_RX1_SAMPLE_COUNT:
550 case TEGRA210_MIXER_TX1_ENABLE ... TEGRA210_MIXER_TX1_ADDER_CONFIG:
551 case TEGRA210_MIXER_ENABLE ... TEGRA210_MIXER_CTRL:
552 return true;
553 default:
554 return false;
555 }
556 }
557
558 static bool tegra210_mixer_volatile_reg(struct device *dev,
559 unsigned int reg)
560 {
561 if (reg < TEGRA210_MIXER_RX_LIMIT)
562 reg = MIXER_REG_BASE(reg);
563 else if (reg < TEGRA210_MIXER_TX_LIMIT)
564 reg = MIXER_REG_BASE(reg) + TEGRA210_MIXER_TX1_ENABLE;
565
566 switch (reg) {
567 case TEGRA210_MIXER_RX1_SOFT_RESET:
568 case TEGRA210_MIXER_RX1_STATUS:
569
570 case TEGRA210_MIXER_TX1_SOFT_RESET:
571 case TEGRA210_MIXER_TX1_STATUS:
572 case TEGRA210_MIXER_TX1_INT_STATUS:
573 case TEGRA210_MIXER_TX1_INT_SET:
574
575 case TEGRA210_MIXER_SOFT_RESET:
576 case TEGRA210_MIXER_STATUS:
577 case TEGRA210_MIXER_INT_STATUS:
578 case TEGRA210_MIXER_GAIN_CFG_RAM_CTRL:
579 case TEGRA210_MIXER_GAIN_CFG_RAM_DATA:
580 case TEGRA210_MIXER_PEAKM_RAM_CTRL:
581 case TEGRA210_MIXER_PEAKM_RAM_DATA:
582 return true;
583 default:
584 return false;
585 }
586 }
587
588 static bool tegra210_mixer_precious_reg(struct device *dev,
589 unsigned int reg)
590 {
591 switch (reg) {
592 case TEGRA210_MIXER_GAIN_CFG_RAM_DATA:
593 case TEGRA210_MIXER_PEAKM_RAM_DATA:
594 return true;
595 default:
596 return false;
597 }
598 }
599
600 static const struct regmap_config tegra210_mixer_regmap_config = {
601 .reg_bits = 32,
602 .reg_stride = 4,
603 .val_bits = 32,
604 .max_register = TEGRA210_MIXER_CTRL,
605 .writeable_reg = tegra210_mixer_wr_reg,
606 .readable_reg = tegra210_mixer_rd_reg,
607 .volatile_reg = tegra210_mixer_volatile_reg,
608 .precious_reg = tegra210_mixer_precious_reg,
609 .reg_defaults = tegra210_mixer_reg_defaults,
610 .num_reg_defaults = ARRAY_SIZE(tegra210_mixer_reg_defaults),
611 .cache_type = REGCACHE_FLAT,
612 };
613
614 static const struct of_device_id tegra210_mixer_of_match[] = {
615 { .compatible = "nvidia,tegra210-amixer" },
616 {},
617 };
618 MODULE_DEVICE_TABLE(of, tegra210_mixer_of_match);
619
620 static int tegra210_mixer_platform_probe(struct platform_device *pdev)
621 {
622 struct device *dev = &pdev->dev;
623 struct tegra210_mixer *mixer;
624 void __iomem *regs;
625 int err, i;
626
627 mixer = devm_kzalloc(dev, sizeof(*mixer), GFP_KERNEL);
628 if (!mixer)
629 return -ENOMEM;
630
631 dev_set_drvdata(dev, mixer);
632
633 /* Use default gain value for all MIXER inputs */
634 for (i = 0; i < TEGRA210_MIXER_RX_MAX; i++)
635 mixer->gain_value[i] = gain_params.gain_value;
636
637 regs = devm_platform_ioremap_resource(pdev, 0);
638 if (IS_ERR(regs))
639 return PTR_ERR(regs);
640
641 mixer->regmap = devm_regmap_init_mmio(dev, regs,
642 &tegra210_mixer_regmap_config);
643 if (IS_ERR(mixer->regmap)) {
644 dev_err(dev, "regmap init failed\n");
645 return PTR_ERR(mixer->regmap);
646 }
647
648 regcache_cache_only(mixer->regmap, true);
649
650 err = devm_snd_soc_register_component(dev, &tegra210_mixer_cmpnt,
651 tegra210_mixer_dais,
652 ARRAY_SIZE(tegra210_mixer_dais));
653 if (err) {
654 dev_err(dev, "can't register MIXER component, err: %d\n", err);
655 return err;
656 }
657
658 pm_runtime_enable(dev);
659
660 return 0;
661 }
662
663 static void tegra210_mixer_platform_remove(struct platform_device *pdev)
664 {
665 pm_runtime_disable(&pdev->dev);
666 }
667
668 static const struct dev_pm_ops tegra210_mixer_pm_ops = {
669 SET_RUNTIME_PM_OPS(tegra210_mixer_runtime_suspend,
670 tegra210_mixer_runtime_resume, NULL)
671 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
672 pm_runtime_force_resume)
673 };
674
675 static struct platform_driver tegra210_mixer_driver = {
676 .driver = {
677 .name = "tegra210_mixer",
678 .of_match_table = tegra210_mixer_of_match,
679 .pm = &tegra210_mixer_pm_ops,
680 },
681 .probe = tegra210_mixer_platform_probe,
682 .remove = tegra210_mixer_platform_remove,
683 };
684 module_platform_driver(tegra210_mixer_driver);
685
686 MODULE_AUTHOR("Arun Shamanna Lakshmi <aruns@nvidia.com>");
687 MODULE_DESCRIPTION("Tegra210 MIXER ASoC driver");
688 MODULE_LICENSE("GPL v2");
Kernel DRM miscellaneous fixes and cross-tree changes