1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * TDA7419 audio processor driver
4 *
5 * Copyright 2018 Konsulko Group
6 *
7 * Author: Matt Porter <mporter@konsulko.com>
8 */
9
10 #include <linux/i2c.h>
11 #include <linux/init.h>
12 #include <linux/module.h>
13 #include <linux/regmap.h>
14 #include <sound/core.h>
15 #include <sound/control.h>
16 #include <sound/soc.h>
17 #include <sound/tlv.h>
18
19 #define TDA7419_MAIN_SRC_REG 0x00
20 #define TDA7419_LOUDNESS_REG 0x01
21 #define TDA7419_MUTE_CLK_REG 0x02
22 #define TDA7419_VOLUME_REG 0x03
23 #define TDA7419_TREBLE_REG 0x04
24 #define TDA7419_MIDDLE_REG 0x05
25 #define TDA7419_BASS_REG 0x06
26 #define TDA7419_SECOND_SRC_REG 0x07
27 #define TDA7419_SUB_MID_BASS_REG 0x08
28 #define TDA7419_MIXING_GAIN_REG 0x09
29 #define TDA7419_ATTENUATOR_LF_REG 0x0a
30 #define TDA7419_ATTENUATOR_RF_REG 0x0b
31 #define TDA7419_ATTENUATOR_LR_REG 0x0c
32 #define TDA7419_ATTENUATOR_RR_REG 0x0d
33 #define TDA7419_MIXING_LEVEL_REG 0x0e
34 #define TDA7419_ATTENUATOR_SUB_REG 0x0f
35 #define TDA7419_SA_CLK_AC_REG 0x10
36 #define TDA7419_TESTING_REG 0x11
37
38 #define TDA7419_MAIN_SRC_SEL 0
39 #define TDA7419_MAIN_SRC_GAIN 3
40 #define TDA7419_MAIN_SRC_AUTOZERO 7
41
42 #define TDA7419_LOUDNESS_ATTEN 0
43 #define TDA7419_LOUDNESS_CENTER_FREQ 4
44 #define TDA7419_LOUDNESS_BOOST 6
45 #define TDA7419_LOUDNESS_SOFT_STEP 7
46
47 #define TDA7419_VOLUME_SOFT_STEP 7
48
49 #define TDA7419_SOFT_MUTE 0
50 #define TDA7419_MUTE_INFLUENCE 1
51 #define TDA7419_SOFT_MUTE_TIME 2
52 #define TDA7419_SOFT_STEP_TIME 4
53 #define TDA7419_CLK_FAST_MODE 7
54
55 #define TDA7419_TREBLE_CENTER_FREQ 5
56 #define TDA7419_REF_OUT_SELECT 7
57
58 #define TDA7419_MIDDLE_Q_FACTOR 5
59 #define TDA7419_MIDDLE_SOFT_STEP 7
60
61 #define TDA7419_BASS_Q_FACTOR 5
62 #define TDA7419_BASS_SOFT_STEP 7
63
64 #define TDA7419_SECOND_SRC_SEL 0
65 #define TDA7419_SECOND_SRC_GAIN 3
66 #define TDA7419_REAR_SPKR_SRC 7
67
68 #define TDA7419_SUB_CUT_OFF_FREQ 0
69 #define TDA7419_MIDDLE_CENTER_FREQ 2
70 #define TDA7419_BASS_CENTER_FREQ 4
71 #define TDA7419_BASS_DC_MODE 6
72 #define TDA7419_SMOOTHING_FILTER 7
73
74 #define TDA7419_MIX_LF 0
75 #define TDA7419_MIX_RF 1
76 #define TDA7419_MIX_ENABLE 2
77 #define TDA7419_SUB_ENABLE 3
78 #define TDA7419_HPF_GAIN 4
79
80 #define TDA7419_SA_Q_FACTOR 0
81 #define TDA7419_RESET_MODE 1
82 #define TDA7419_SA_SOURCE 2
83 #define TDA7419_SA_RUN 3
84 #define TDA7419_RESET 4
85 #define TDA7419_CLK_SOURCE 5
86 #define TDA7419_COUPLING_MODE 6
87
88 struct tda7419_data {
89 struct regmap *regmap;
90 };
91
tda7419_readable_reg(struct device * dev,unsigned int reg)92 static bool tda7419_readable_reg(struct device *dev, unsigned int reg)
93 {
94 return false;
95 }
96
97 static const struct reg_default tda7419_regmap_defaults[] = {
98 { TDA7419_MAIN_SRC_REG, 0xfe },
99 { TDA7419_LOUDNESS_REG, 0xfe },
100 { TDA7419_MUTE_CLK_REG, 0xfe },
101 { TDA7419_VOLUME_REG, 0xfe },
102 { TDA7419_TREBLE_REG, 0xfe },
103 { TDA7419_MIDDLE_REG, 0xfe },
104 { TDA7419_BASS_REG, 0xfe },
105 { TDA7419_SECOND_SRC_REG, 0xfe },
106 { TDA7419_SUB_MID_BASS_REG, 0xfe },
107 { TDA7419_MIXING_GAIN_REG, 0xfe },
108 { TDA7419_ATTENUATOR_LF_REG, 0xfe },
109 { TDA7419_ATTENUATOR_RF_REG, 0xfe },
110 { TDA7419_ATTENUATOR_LR_REG, 0xfe },
111 { TDA7419_ATTENUATOR_RR_REG, 0xfe },
112 { TDA7419_MIXING_LEVEL_REG, 0xfe },
113 { TDA7419_ATTENUATOR_SUB_REG, 0xfe },
114 { TDA7419_SA_CLK_AC_REG, 0xfe },
115 { TDA7419_TESTING_REG, 0xfe },
116 };
117
118 static const struct regmap_config tda7419_regmap_config = {
119 .reg_bits = 8,
120 .val_bits = 8,
121 .max_register = TDA7419_TESTING_REG,
122 .cache_type = REGCACHE_RBTREE,
123 .readable_reg = tda7419_readable_reg,
124 .reg_defaults = tda7419_regmap_defaults,
125 .num_reg_defaults = ARRAY_SIZE(tda7419_regmap_defaults),
126 };
127
128 struct tda7419_vol_control {
129 int min, max;
130 unsigned int reg, rreg, mask, thresh;
131 unsigned int invert:1;
132 };
133
tda7419_vol_is_stereo(struct tda7419_vol_control * tvc)134 static inline bool tda7419_vol_is_stereo(struct tda7419_vol_control *tvc)
135 {
136 if (tvc->reg == tvc->rreg)
137 return false;
138
139 return true;
140 }
141
tda7419_vol_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)142 static int tda7419_vol_info(struct snd_kcontrol *kcontrol,
143 struct snd_ctl_elem_info *uinfo)
144 {
145 struct tda7419_vol_control *tvc =
146 (struct tda7419_vol_control *)kcontrol->private_value;
147
148 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
149 uinfo->count = tda7419_vol_is_stereo(tvc) ? 2 : 1;
150 uinfo->value.integer.min = tvc->min;
151 uinfo->value.integer.max = tvc->max;
152
153 return 0;
154 }
155
tda7419_vol_get_value(int val,unsigned int mask,int min,int thresh,unsigned int invert)156 static inline int tda7419_vol_get_value(int val, unsigned int mask,
157 int min, int thresh,
158 unsigned int invert)
159 {
160 val &= mask;
161 if (val < thresh) {
162 if (invert)
163 val = 0 - val;
164 } else if (val > thresh) {
165 if (invert)
166 val = val - thresh;
167 else
168 val = thresh - val;
169 }
170
171 if (val < min)
172 val = min;
173
174 return val;
175 }
176
tda7419_vol_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)177 static int tda7419_vol_get(struct snd_kcontrol *kcontrol,
178 struct snd_ctl_elem_value *ucontrol)
179 {
180 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
181 struct tda7419_vol_control *tvc =
182 (struct tda7419_vol_control *)kcontrol->private_value;
183 unsigned int reg = tvc->reg;
184 unsigned int rreg = tvc->rreg;
185 unsigned int mask = tvc->mask;
186 int min = tvc->min;
187 int thresh = tvc->thresh;
188 unsigned int invert = tvc->invert;
189 int val;
190
191 val = snd_soc_component_read(component, reg);
192 ucontrol->value.integer.value[0] =
193 tda7419_vol_get_value(val, mask, min, thresh, invert);
194
195 if (tda7419_vol_is_stereo(tvc)) {
196 val = snd_soc_component_read(component, rreg);
197 ucontrol->value.integer.value[1] =
198 tda7419_vol_get_value(val, mask, min, thresh, invert);
199 }
200
201 return 0;
202 }
203
tda7419_vol_put_value(int val,int thresh,unsigned int invert)204 static inline int tda7419_vol_put_value(int val, int thresh,
205 unsigned int invert)
206 {
207 if (val < 0) {
208 if (invert)
209 val = abs(val);
210 else
211 val = thresh - val;
212 } else if ((val > 0) && invert) {
213 val += thresh;
214 }
215
216 return val;
217 }
218
tda7419_vol_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)219 static int tda7419_vol_put(struct snd_kcontrol *kcontrol,
220 struct snd_ctl_elem_value *ucontrol)
221 {
222 struct snd_soc_component *component =
223 snd_kcontrol_chip(kcontrol);
224 struct tda7419_vol_control *tvc =
225 (struct tda7419_vol_control *)kcontrol->private_value;
226 unsigned int reg = tvc->reg;
227 unsigned int rreg = tvc->rreg;
228 unsigned int mask = tvc->mask;
229 int thresh = tvc->thresh;
230 unsigned int invert = tvc->invert;
231 int val;
232 int ret;
233
234 val = tda7419_vol_put_value(ucontrol->value.integer.value[0],
235 thresh, invert);
236 ret = snd_soc_component_update_bits(component, reg,
237 mask, val);
238 if (ret < 0)
239 return ret;
240
241 if (tda7419_vol_is_stereo(tvc)) {
242 val = tda7419_vol_put_value(ucontrol->value.integer.value[1],
243 thresh, invert);
244 ret = snd_soc_component_update_bits(component, rreg,
245 mask, val);
246 }
247
248 return ret;
249 }
250
251 #define TDA7419_SINGLE_VALUE(xreg, xmask, xmin, xmax, xthresh, xinvert) \
252 ((unsigned long)&(struct tda7419_vol_control) \
253 {.reg = xreg, .rreg = xreg, .mask = xmask, .min = xmin, \
254 .max = xmax, .thresh = xthresh, .invert = xinvert})
255
256 #define TDA7419_DOUBLE_R_VALUE(xregl, xregr, xmask, xmin, xmax, xthresh, \
257 xinvert) \
258 ((unsigned long)&(struct tda7419_vol_control) \
259 {.reg = xregl, .rreg = xregr, .mask = xmask, .min = xmin, \
260 .max = xmax, .thresh = xthresh, .invert = xinvert})
261
262 #define TDA7419_SINGLE_TLV(xname, xreg, xmask, xmin, xmax, xthresh, \
263 xinvert, xtlv_array) \
264 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
265 .name = xname, \
266 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
267 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
268 .tlv.p = (xtlv_array), \
269 .info = tda7419_vol_info, \
270 .get = tda7419_vol_get, \
271 .put = tda7419_vol_put, \
272 .private_value = TDA7419_SINGLE_VALUE(xreg, xmask, xmin, \
273 xmax, xthresh, xinvert), \
274 }
275
276 #define TDA7419_DOUBLE_R_TLV(xname, xregl, xregr, xmask, xmin, xmax, \
277 xthresh, xinvert, xtlv_array) \
278 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
279 .name = xname, \
280 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
281 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
282 .tlv.p = (xtlv_array), \
283 .info = tda7419_vol_info, \
284 .get = tda7419_vol_get, \
285 .put = tda7419_vol_put, \
286 .private_value = TDA7419_DOUBLE_R_VALUE(xregl, xregr, xmask, \
287 xmin, xmax, xthresh, \
288 xinvert), \
289 }
290
291 static const char * const enum_src_sel[] = {
292 "QD", "SE1", "SE2", "SE3", "SE", "Mute", "Mute", "Mute"};
293 static SOC_ENUM_SINGLE_DECL(soc_enum_main_src_sel,
294 TDA7419_MAIN_SRC_REG, TDA7419_MAIN_SRC_SEL, enum_src_sel);
295 static const struct snd_kcontrol_new soc_mux_main_src_sel =
296 SOC_DAPM_ENUM("Main Source Select", soc_enum_main_src_sel);
297 static DECLARE_TLV_DB_SCALE(tlv_src_gain, 0, 100, 0);
298 static DECLARE_TLV_DB_SCALE(tlv_loudness_atten, -1500, 100, 0);
299 static const char * const enum_loudness_center_freq[] = {
300 "Flat", "400 Hz", "800 Hz", "2400 Hz"};
301 static SOC_ENUM_SINGLE_DECL(soc_enum_loudness_center_freq,
302 TDA7419_LOUDNESS_REG, TDA7419_LOUDNESS_CENTER_FREQ,
303 enum_loudness_center_freq);
304 static const char * const enum_mute_influence[] = {
305 "Pin and IIC", "IIC"};
306 static SOC_ENUM_SINGLE_DECL(soc_enum_mute_influence,
307 TDA7419_MUTE_CLK_REG, TDA7419_MUTE_INFLUENCE, enum_mute_influence);
308 static const char * const enum_soft_mute_time[] = {
309 "0.48 ms", "0.96 ms", "123 ms", "123 ms"};
310 static SOC_ENUM_SINGLE_DECL(soc_enum_soft_mute_time,
311 TDA7419_MUTE_CLK_REG, TDA7419_SOFT_MUTE_TIME, enum_soft_mute_time);
312 static const char * const enum_soft_step_time[] = {
313 "0.160 ms", "0.321 ms", "0.642 ms", "1.28 ms",
314 "2.56 ms", "5.12 ms", "10.24 ms", "20.48 ms"};
315 static SOC_ENUM_SINGLE_DECL(soc_enum_soft_step_time,
316 TDA7419_MUTE_CLK_REG, TDA7419_SOFT_STEP_TIME, enum_soft_step_time);
317 static DECLARE_TLV_DB_SCALE(tlv_volume, -8000, 100, 1);
318 static const char * const enum_treble_center_freq[] = {
319 "10.0 kHz", "12.5 kHz", "15.0 kHz", "17.5 kHz"};
320 static DECLARE_TLV_DB_SCALE(tlv_filter, -1500, 100, 0);
321 static SOC_ENUM_SINGLE_DECL(soc_enum_treble_center_freq,
322 TDA7419_TREBLE_REG, TDA7419_TREBLE_CENTER_FREQ,
323 enum_treble_center_freq);
324 static const char * const enum_ref_out_select[] = {
325 "External Vref (4 V)", "Internal Vref (3.3 V)"};
326 static SOC_ENUM_SINGLE_DECL(soc_enum_ref_out_select,
327 TDA7419_TREBLE_REG, TDA7419_REF_OUT_SELECT, enum_ref_out_select);
328 static const char * const enum_middle_q_factor[] = {
329 "0.5", "0.75", "1.0", "1.25"};
330 static SOC_ENUM_SINGLE_DECL(soc_enum_middle_q_factor,
331 TDA7419_MIDDLE_REG, TDA7419_MIDDLE_Q_FACTOR, enum_middle_q_factor);
332 static const char * const enum_bass_q_factor[] = {
333 "1.0", "1.25", "1.5", "2.0"};
334 static SOC_ENUM_SINGLE_DECL(soc_enum_bass_q_factor,
335 TDA7419_BASS_REG, TDA7419_BASS_Q_FACTOR, enum_bass_q_factor);
336 static SOC_ENUM_SINGLE_DECL(soc_enum_second_src_sel,
337 TDA7419_SECOND_SRC_REG, TDA7419_SECOND_SRC_SEL, enum_src_sel);
338 static const struct snd_kcontrol_new soc_mux_second_src_sel =
339 SOC_DAPM_ENUM("Second Source Select", soc_enum_second_src_sel);
340 static const char * const enum_rear_spkr_src[] = {
341 "Main", "Second"};
342 static SOC_ENUM_SINGLE_DECL(soc_enum_rear_spkr_src,
343 TDA7419_SECOND_SRC_REG, TDA7419_REAR_SPKR_SRC, enum_rear_spkr_src);
344 static const struct snd_kcontrol_new soc_mux_rear_spkr_src =
345 SOC_DAPM_ENUM("Rear Speaker Source", soc_enum_rear_spkr_src);
346 static const char * const enum_sub_cut_off_freq[] = {
347 "Flat", "80 Hz", "120 Hz", "160 Hz"};
348 static SOC_ENUM_SINGLE_DECL(soc_enum_sub_cut_off_freq,
349 TDA7419_SUB_MID_BASS_REG, TDA7419_SUB_CUT_OFF_FREQ,
350 enum_sub_cut_off_freq);
351 static const char * const enum_middle_center_freq[] = {
352 "500 Hz", "1000 Hz", "1500 Hz", "2500 Hz"};
353 static SOC_ENUM_SINGLE_DECL(soc_enum_middle_center_freq,
354 TDA7419_SUB_MID_BASS_REG, TDA7419_MIDDLE_CENTER_FREQ,
355 enum_middle_center_freq);
356 static const char * const enum_bass_center_freq[] = {
357 "60 Hz", "80 Hz", "100 Hz", "200 Hz"};
358 static SOC_ENUM_SINGLE_DECL(soc_enum_bass_center_freq,
359 TDA7419_SUB_MID_BASS_REG, TDA7419_BASS_CENTER_FREQ,
360 enum_bass_center_freq);
361 static const char * const enum_sa_q_factor[] = {
362 "3.5", "1.75" };
363 static SOC_ENUM_SINGLE_DECL(soc_enum_sa_q_factor,
364 TDA7419_SA_CLK_AC_REG, TDA7419_SA_Q_FACTOR, enum_sa_q_factor);
365 static const char * const enum_reset_mode[] = {
366 "IIC", "Auto" };
367 static SOC_ENUM_SINGLE_DECL(soc_enum_reset_mode,
368 TDA7419_SA_CLK_AC_REG, TDA7419_RESET_MODE, enum_reset_mode);
369 static const char * const enum_sa_src[] = {
370 "Bass", "In Gain" };
371 static SOC_ENUM_SINGLE_DECL(soc_enum_sa_src,
372 TDA7419_SA_CLK_AC_REG, TDA7419_SA_SOURCE, enum_sa_src);
373 static const char * const enum_clk_src[] = {
374 "Internal", "External" };
375 static SOC_ENUM_SINGLE_DECL(soc_enum_clk_src,
376 TDA7419_SA_CLK_AC_REG, TDA7419_CLK_SOURCE, enum_clk_src);
377 static const char * const enum_coupling_mode[] = {
378 "DC Coupling (without HPF)", "AC Coupling after In Gain",
379 "DC Coupling (with HPF)", "AC Coupling after Bass" };
380 static SOC_ENUM_SINGLE_DECL(soc_enum_coupling_mode,
381 TDA7419_SA_CLK_AC_REG, TDA7419_COUPLING_MODE, enum_coupling_mode);
382
383 /* ASoC Controls */
384 static struct snd_kcontrol_new tda7419_controls[] = {
385 SOC_SINGLE_TLV("Main Source Capture Volume", TDA7419_MAIN_SRC_REG,
386 TDA7419_MAIN_SRC_GAIN, 15, 0, tlv_src_gain),
387 SOC_SINGLE("Main Source AutoZero Switch", TDA7419_MAIN_SRC_REG,
388 TDA7419_MAIN_SRC_AUTOZERO, 1, 1),
389 SOC_SINGLE_TLV("Loudness Playback Volume", TDA7419_LOUDNESS_REG,
390 TDA7419_LOUDNESS_ATTEN, 15, 1, tlv_loudness_atten),
391 SOC_ENUM("Loudness Center Frequency", soc_enum_loudness_center_freq),
392 SOC_SINGLE("Loudness High Boost Switch", TDA7419_LOUDNESS_REG,
393 TDA7419_LOUDNESS_BOOST, 1, 1),
394 SOC_SINGLE("Loudness Soft Step Switch", TDA7419_LOUDNESS_REG,
395 TDA7419_LOUDNESS_SOFT_STEP, 1, 1),
396 SOC_SINGLE("Soft Mute Switch", TDA7419_MUTE_CLK_REG, TDA7419_SOFT_MUTE, 1, 1),
397 SOC_ENUM("Mute Influence", soc_enum_mute_influence),
398 SOC_ENUM("Soft Mute Time", soc_enum_soft_mute_time),
399 SOC_ENUM("Soft Step Time", soc_enum_soft_step_time),
400 SOC_SINGLE("Clock Fast Mode Switch", TDA7419_MUTE_CLK_REG,
401 TDA7419_CLK_FAST_MODE, 1, 1),
402 TDA7419_SINGLE_TLV("Master Playback Volume", TDA7419_VOLUME_REG,
403 0x7f, -80, 15, 0x10, 0, tlv_volume),
404 SOC_SINGLE("Volume Soft Step Switch", TDA7419_VOLUME_REG,
405 TDA7419_VOLUME_SOFT_STEP, 1, 1),
406 TDA7419_SINGLE_TLV("Treble Playback Volume", TDA7419_TREBLE_REG,
407 0x1f, -15, 15, 0x10, 1, tlv_filter),
408 SOC_ENUM("Treble Center Frequency", soc_enum_treble_center_freq),
409 SOC_ENUM("Reference Output Select", soc_enum_ref_out_select),
410 TDA7419_SINGLE_TLV("Middle Playback Volume", TDA7419_MIDDLE_REG,
411 0x1f, -15, 15, 0x10, 1, tlv_filter),
412 SOC_ENUM("Middle Q Factor", soc_enum_middle_q_factor),
413 SOC_SINGLE("Middle Soft Step Switch", TDA7419_MIDDLE_REG,
414 TDA7419_MIDDLE_SOFT_STEP, 1, 1),
415 TDA7419_SINGLE_TLV("Bass Playback Volume", TDA7419_BASS_REG,
416 0x1f, -15, 15, 0x10, 1, tlv_filter),
417 SOC_ENUM("Bass Q Factor", soc_enum_bass_q_factor),
418 SOC_SINGLE("Bass Soft Step Switch", TDA7419_BASS_REG,
419 TDA7419_BASS_SOFT_STEP, 1, 1),
420 SOC_SINGLE_TLV("Second Source Capture Volume", TDA7419_SECOND_SRC_REG,
421 TDA7419_SECOND_SRC_GAIN, 15, 0, tlv_src_gain),
422 SOC_ENUM("Subwoofer Cut-off Frequency", soc_enum_sub_cut_off_freq),
423 SOC_ENUM("Middle Center Frequency", soc_enum_middle_center_freq),
424 SOC_ENUM("Bass Center Frequency", soc_enum_bass_center_freq),
425 SOC_SINGLE("Bass DC Mode Switch", TDA7419_SUB_MID_BASS_REG,
426 TDA7419_BASS_DC_MODE, 1, 1),
427 SOC_SINGLE("Smoothing Filter Switch", TDA7419_SUB_MID_BASS_REG,
428 TDA7419_SMOOTHING_FILTER, 1, 1),
429 TDA7419_DOUBLE_R_TLV("Front Speaker Playback Volume", TDA7419_ATTENUATOR_LF_REG,
430 TDA7419_ATTENUATOR_RF_REG, 0x7f, -80, 15, 0x10, 0,
431 tlv_volume),
432 SOC_SINGLE("Left Front Soft Step Switch", TDA7419_ATTENUATOR_LF_REG,
433 TDA7419_VOLUME_SOFT_STEP, 1, 1),
434 SOC_SINGLE("Right Front Soft Step Switch", TDA7419_ATTENUATOR_RF_REG,
435 TDA7419_VOLUME_SOFT_STEP, 1, 1),
436 TDA7419_DOUBLE_R_TLV("Rear Speaker Playback Volume", TDA7419_ATTENUATOR_LR_REG,
437 TDA7419_ATTENUATOR_RR_REG, 0x7f, -80, 15, 0x10, 0,
438 tlv_volume),
439 SOC_SINGLE("Left Rear Soft Step Switch", TDA7419_ATTENUATOR_LR_REG,
440 TDA7419_VOLUME_SOFT_STEP, 1, 1),
441 SOC_SINGLE("Right Rear Soft Step Switch", TDA7419_ATTENUATOR_RR_REG,
442 TDA7419_VOLUME_SOFT_STEP, 1, 1),
443 TDA7419_SINGLE_TLV("Mixing Capture Volume", TDA7419_MIXING_LEVEL_REG,
444 0x7f, -80, 15, 0x10, 0, tlv_volume),
445 SOC_SINGLE("Mixing Level Soft Step Switch", TDA7419_MIXING_LEVEL_REG,
446 TDA7419_VOLUME_SOFT_STEP, 1, 1),
447 TDA7419_SINGLE_TLV("Subwoofer Playback Volume", TDA7419_ATTENUATOR_SUB_REG,
448 0x7f, -80, 15, 0x10, 0, tlv_volume),
449 SOC_SINGLE("Subwoofer Soft Step Switch", TDA7419_ATTENUATOR_SUB_REG,
450 TDA7419_VOLUME_SOFT_STEP, 1, 1),
451 SOC_ENUM("Spectrum Analyzer Q Factor", soc_enum_sa_q_factor),
452 SOC_ENUM("Spectrum Analyzer Reset Mode", soc_enum_reset_mode),
453 SOC_ENUM("Spectrum Analyzer Source", soc_enum_sa_src),
454 SOC_SINGLE("Spectrum Analyzer Run Switch", TDA7419_SA_CLK_AC_REG,
455 TDA7419_SA_RUN, 1, 1),
456 SOC_SINGLE("Spectrum Analyzer Reset Switch", TDA7419_SA_CLK_AC_REG,
457 TDA7419_RESET, 1, 1),
458 SOC_ENUM("Clock Source", soc_enum_clk_src),
459 SOC_ENUM("Coupling Mode", soc_enum_coupling_mode),
460 };
461
462 static const struct snd_kcontrol_new soc_mixer_lf_output_controls[] = {
463 SOC_DAPM_SINGLE("Mix to LF Speaker Switch",
464 TDA7419_MIXING_GAIN_REG,
465 TDA7419_MIX_LF, 1, 1),
466 };
467
468 static const struct snd_kcontrol_new soc_mixer_rf_output_controls[] = {
469 SOC_DAPM_SINGLE("Mix to RF Speaker Switch",
470 TDA7419_MIXING_GAIN_REG,
471 TDA7419_MIX_RF, 1, 1),
472 };
473
474 static const struct snd_kcontrol_new soc_mix_enable_switch_controls[] = {
475 SOC_DAPM_SINGLE("Switch", TDA7419_MIXING_GAIN_REG,
476 TDA7419_MIX_ENABLE, 1, 1),
477 };
478
479 static const struct snd_kcontrol_new soc_sub_enable_switch_controls[] = {
480 SOC_DAPM_SINGLE("Switch", TDA7419_MIXING_GAIN_REG,
481 TDA7419_MIX_ENABLE, 1, 1),
482 };
483
484 static const struct snd_soc_dapm_widget tda7419_dapm_widgets[] = {
485 SND_SOC_DAPM_INPUT("SE3L"),
486 SND_SOC_DAPM_INPUT("SE3R"),
487 SND_SOC_DAPM_INPUT("SE2L"),
488 SND_SOC_DAPM_INPUT("SE2R"),
489 SND_SOC_DAPM_INPUT("SE1L"),
490 SND_SOC_DAPM_INPUT("SE1R"),
491 SND_SOC_DAPM_INPUT("DIFFL"),
492 SND_SOC_DAPM_INPUT("DIFFR"),
493 SND_SOC_DAPM_INPUT("MIX"),
494
495 SND_SOC_DAPM_MUX("Main Source Select", SND_SOC_NOPM,
496 0, 0, &soc_mux_main_src_sel),
497 SND_SOC_DAPM_MUX("Second Source Select", SND_SOC_NOPM,
498 0, 0, &soc_mux_second_src_sel),
499 SND_SOC_DAPM_MUX("Rear Speaker Source", SND_SOC_NOPM,
500 0, 0, &soc_mux_rear_spkr_src),
501
502 SND_SOC_DAPM_SWITCH("Mix Enable", SND_SOC_NOPM,
503 0, 0, &soc_mix_enable_switch_controls[0]),
504 SND_SOC_DAPM_MIXER_NAMED_CTL("LF Output Mixer", SND_SOC_NOPM,
505 0, 0, &soc_mixer_lf_output_controls[0],
506 ARRAY_SIZE(soc_mixer_lf_output_controls)),
507 SND_SOC_DAPM_MIXER_NAMED_CTL("RF Output Mixer", SND_SOC_NOPM,
508 0, 0, &soc_mixer_rf_output_controls[0],
509 ARRAY_SIZE(soc_mixer_rf_output_controls)),
510
511 SND_SOC_DAPM_SWITCH("Subwoofer Enable",
512 SND_SOC_NOPM, 0, 0,
513 &soc_sub_enable_switch_controls[0]),
514
515 SND_SOC_DAPM_OUTPUT("OUTLF"),
516 SND_SOC_DAPM_OUTPUT("OUTRF"),
517 SND_SOC_DAPM_OUTPUT("OUTLR"),
518 SND_SOC_DAPM_OUTPUT("OUTRR"),
519 SND_SOC_DAPM_OUTPUT("OUTSW"),
520 };
521
522 static const struct snd_soc_dapm_route tda7419_dapm_routes[] = {
523 {"Main Source Select", "SE3", "SE3L"},
524 {"Main Source Select", "SE3", "SE3R"},
525 {"Main Source Select", "SE2", "SE2L"},
526 {"Main Source Select", "SE2", "SE2R"},
527 {"Main Source Select", "SE1", "SE1L"},
528 {"Main Source Select", "SE1", "SE1R"},
529 {"Main Source Select", "SE", "DIFFL"},
530 {"Main Source Select", "SE", "DIFFR"},
531 {"Main Source Select", "QD", "DIFFL"},
532 {"Main Source Select", "QD", "DIFFR"},
533
534 {"Second Source Select", "SE3", "SE3L"},
535 {"Second Source Select", "SE3", "SE3R"},
536 {"Second Source Select", "SE2", "SE2L"},
537 {"Second Source Select", "SE2", "SE2R"},
538 {"Second Source Select", "SE1", "SE1L"},
539 {"Second Source Select", "SE1", "SE1R"},
540 {"Second Source Select", "SE", "DIFFL"},
541 {"Second Source Select", "SE", "DIFFR"},
542 {"Second Source Select", "QD", "DIFFL"},
543 {"Second Source Select", "QD", "DIFFR"},
544
545 {"Rear Speaker Source", "Main", "Main Source Select"},
546 {"Rear Speaker Source", "Second", "Second Source Select"},
547
548 {"Subwoofer Enable", "Switch", "Main Source Select"},
549
550 {"Mix Enable", "Switch", "MIX"},
551
552 {"LF Output Mixer", NULL, "Main Source Select"},
553 {"LF Output Mixer", "Mix to LF Speaker Switch", "Mix Enable"},
554 {"RF Output Mixer", NULL, "Main Source Select"},
555 {"RF Output Mixer", "Mix to RF Speaker Switch", "Mix Enable"},
556
557 {"OUTLF", NULL, "LF Output Mixer"},
558 {"OUTRF", NULL, "RF Output Mixer"},
559 {"OUTLR", NULL, "Rear Speaker Source"},
560 {"OUTRR", NULL, "Rear Speaker Source"},
561 {"OUTSW", NULL, "Subwoofer Enable"},
562 };
563
564 static const struct snd_soc_component_driver tda7419_component_driver = {
565 .name = "tda7419",
566 .controls = tda7419_controls,
567 .num_controls = ARRAY_SIZE(tda7419_controls),
568 .dapm_widgets = tda7419_dapm_widgets,
569 .num_dapm_widgets = ARRAY_SIZE(tda7419_dapm_widgets),
570 .dapm_routes = tda7419_dapm_routes,
571 .num_dapm_routes = ARRAY_SIZE(tda7419_dapm_routes),
572 };
573
tda7419_probe(struct i2c_client * i2c)574 static int tda7419_probe(struct i2c_client *i2c)
575 {
576 struct tda7419_data *tda7419;
577 int i, ret;
578
579 tda7419 = devm_kzalloc(&i2c->dev,
580 sizeof(struct tda7419_data),
581 GFP_KERNEL);
582 if (tda7419 == NULL)
583 return -ENOMEM;
584
585 i2c_set_clientdata(i2c, tda7419);
586
587 tda7419->regmap = devm_regmap_init_i2c(i2c, &tda7419_regmap_config);
588 if (IS_ERR(tda7419->regmap)) {
589 ret = PTR_ERR(tda7419->regmap);
590 dev_err(&i2c->dev, "error initializing regmap: %d\n",
591 ret);
592 return ret;
593 }
594
595 /*
596 * Reset registers to power-on defaults. The part does not provide a
597 * soft-reset function and the registers are not readable. This ensures
598 * that the cache matches register contents even if the registers have
599 * been previously initialized and not power cycled before probe.
600 */
601 for (i = 0; i < ARRAY_SIZE(tda7419_regmap_defaults); i++)
602 regmap_write(tda7419->regmap,
603 tda7419_regmap_defaults[i].reg,
604 tda7419_regmap_defaults[i].def);
605
606 ret = devm_snd_soc_register_component(&i2c->dev,
607 &tda7419_component_driver, NULL, 0);
608 if (ret < 0) {
609 dev_err(&i2c->dev, "error registering component: %d\n",
610 ret);
611 }
612
613 return ret;
614 }
615
616 static const struct i2c_device_id tda7419_i2c_id[] = {
617 { "tda7419", 0 },
618 { }
619 };
620 MODULE_DEVICE_TABLE(i2c, tda7419_i2c_id);
621
622 static const struct of_device_id tda7419_of_match[] = {
623 { .compatible = "st,tda7419" },
624 { },
625 };
626
627 static struct i2c_driver tda7419_driver = {
628 .driver = {
629 .name = "tda7419",
630 .of_match_table = tda7419_of_match,
631 },
632 .probe = tda7419_probe,
633 .id_table = tda7419_i2c_id,
634 };
635
636 module_i2c_driver(tda7419_driver);
637
638 MODULE_AUTHOR("Matt Porter <mporter@konsulko.com>");
639 MODULE_DESCRIPTION("TDA7419 audio processor driver");
640 MODULE_LICENSE("GPL");
641