tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * TDA7419 audio processor driver
3 *
4 * Copyright 2018 Konsulko Group
5 *
6 * Author: Matt Porter <mporter@konsulko.com>
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * version 2 as published by the Free Software Foundation.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
16 */
17
18#include <linux/i2c.h>
19#include <linux/init.h>
20#include <linux/module.h>
21#include <linux/regmap.h>
22#include <sound/core.h>
23#include <sound/control.h>
24#include <sound/soc.h>
25#include <sound/tlv.h>
26
27#define TDA7419_MAIN_SRC_REG 0x00
28#define TDA7419_LOUDNESS_REG 0x01
29#define TDA7419_MUTE_CLK_REG 0x02
30#define TDA7419_VOLUME_REG 0x03
31#define TDA7419_TREBLE_REG 0x04
32#define TDA7419_MIDDLE_REG 0x05
33#define TDA7419_BASS_REG 0x06
34#define TDA7419_SECOND_SRC_REG 0x07
35#define TDA7419_SUB_MID_BASS_REG 0x08
36#define TDA7419_MIXING_GAIN_REG 0x09
37#define TDA7419_ATTENUATOR_LF_REG 0x0a
38#define TDA7419_ATTENUATOR_RF_REG 0x0b
39#define TDA7419_ATTENUATOR_LR_REG 0x0c
40#define TDA7419_ATTENUATOR_RR_REG 0x0d
41#define TDA7419_MIXING_LEVEL_REG 0x0e
42#define TDA7419_ATTENUATOR_SUB_REG 0x0f
43#define TDA7419_SA_CLK_AC_REG 0x10
44#define TDA7419_TESTING_REG 0x11
45
46#define TDA7419_MAIN_SRC_SEL 0
47#define TDA7419_MAIN_SRC_GAIN 3
48#define TDA7419_MAIN_SRC_AUTOZERO 7
49
50#define TDA7419_LOUDNESS_ATTEN 0
51#define TDA7419_LOUDNESS_CENTER_FREQ 4
52#define TDA7419_LOUDNESS_BOOST 6
53#define TDA7419_LOUDNESS_SOFT_STEP 7
54
55#define TDA7419_VOLUME_SOFT_STEP 7
56
57#define TDA7419_SOFT_MUTE 0
58#define TDA7419_MUTE_INFLUENCE 1
59#define TDA7419_SOFT_MUTE_TIME 2
60#define TDA7419_SOFT_STEP_TIME 4
61#define TDA7419_CLK_FAST_MODE 7
62
63#define TDA7419_TREBLE_CENTER_FREQ 5
64#define TDA7419_REF_OUT_SELECT 7
65
66#define TDA7419_MIDDLE_Q_FACTOR 5
67#define TDA7419_MIDDLE_SOFT_STEP 7
68
69#define TDA7419_BASS_Q_FACTOR 5
70#define TDA7419_BASS_SOFT_STEP 7
71
72#define TDA7419_SECOND_SRC_SEL 0
73#define TDA7419_SECOND_SRC_GAIN 3
74#define TDA7419_REAR_SPKR_SRC 7
75
76#define TDA7419_SUB_CUT_OFF_FREQ 0
77#define TDA7419_MIDDLE_CENTER_FREQ 2
78#define TDA7419_BASS_CENTER_FREQ 4
79#define TDA7419_BASS_DC_MODE 6
80#define TDA7419_SMOOTHING_FILTER 7
81
82#define TDA7419_MIX_LF 0
83#define TDA7419_MIX_RF 1
84#define TDA7419_MIX_ENABLE 2
85#define TDA7419_SUB_ENABLE 3
86#define TDA7419_HPF_GAIN 4
87
88#define TDA7419_SA_Q_FACTOR 0
89#define TDA7419_RESET_MODE 1
90#define TDA7419_SA_SOURCE 2
91#define TDA7419_SA_RUN 3
92#define TDA7419_RESET 4
93#define TDA7419_CLK_SOURCE 5
94#define TDA7419_COUPLING_MODE 6
95
96struct tda7419_data {
97 struct regmap *regmap;
98};
99
100static bool tda7419_readable_reg(struct device *dev, unsigned int reg)
101{
102 return false;
103}
104
105static const struct reg_default tda7419_regmap_defaults[] = {
106 { TDA7419_MAIN_SRC_REG, 0xfe },
107 { TDA7419_LOUDNESS_REG, 0xfe },
108 { TDA7419_MUTE_CLK_REG, 0xfe },
109 { TDA7419_VOLUME_REG, 0xfe },
110 { TDA7419_TREBLE_REG, 0xfe },
111 { TDA7419_MIDDLE_REG, 0xfe },
112 { TDA7419_BASS_REG, 0xfe },
113 { TDA7419_SECOND_SRC_REG, 0xfe },
114 { TDA7419_SUB_MID_BASS_REG, 0xfe },
115 { TDA7419_MIXING_GAIN_REG, 0xfe },
116 { TDA7419_ATTENUATOR_LF_REG, 0xfe },
117 { TDA7419_ATTENUATOR_RF_REG, 0xfe },
118 { TDA7419_ATTENUATOR_LR_REG, 0xfe },
119 { TDA7419_ATTENUATOR_RR_REG, 0xfe },
120 { TDA7419_MIXING_LEVEL_REG, 0xfe },
121 { TDA7419_ATTENUATOR_SUB_REG, 0xfe },
122 { TDA7419_SA_CLK_AC_REG, 0xfe },
123 { TDA7419_TESTING_REG, 0xfe },
124};
125
126static const struct regmap_config tda7419_regmap_config = {
127 .reg_bits = 8,
128 .val_bits = 8,
129 .max_register = TDA7419_TESTING_REG,
130 .cache_type = REGCACHE_RBTREE,
131 .readable_reg = tda7419_readable_reg,
132 .reg_defaults = tda7419_regmap_defaults,
133 .num_reg_defaults = ARRAY_SIZE(tda7419_regmap_defaults),
134};
135
136struct tda7419_vol_control {
137 int min, max;
138 unsigned int reg, rreg, mask, thresh;
139 unsigned int invert:1;
140};
141
142static inline bool tda7419_vol_is_stereo(struct tda7419_vol_control *tvc)
143{
144 if (tvc->reg == tvc->rreg)
145 return false;
146
147 return true;
148}
149
150static int tda7419_vol_info(struct snd_kcontrol *kcontrol,
151 struct snd_ctl_elem_info *uinfo)
152{
153 struct tda7419_vol_control *tvc =
154 (struct tda7419_vol_control *)kcontrol->private_value;
155
156 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
157 uinfo->count = tda7419_vol_is_stereo(tvc) ? 2 : 1;
158 uinfo->value.integer.min = tvc->min;
159 uinfo->value.integer.max = tvc->max;
160
161 return 0;
162}
163
164static inline int tda7419_vol_get_value(int val, unsigned int mask,
165 int min, int thresh,
166 unsigned int invert)
167{
168 val &= mask;
169 if (val < thresh) {
170 if (invert)
171 val = 0 - val;
172 } else if (val > thresh) {
173 if (invert)
174 val = val - thresh;
175 else
176 val = thresh - val;
177 }
178
179 if (val < min)
180 val = min;
181
182 return val;
183}
184
185static int tda7419_vol_get(struct snd_kcontrol *kcontrol,
186 struct snd_ctl_elem_value *ucontrol)
187{
188 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
189 struct tda7419_vol_control *tvc =
190 (struct tda7419_vol_control *)kcontrol->private_value;
191 unsigned int reg = tvc->reg;
192 unsigned int rreg = tvc->rreg;
193 unsigned int mask = tvc->mask;
194 int min = tvc->min;
195 int thresh = tvc->thresh;
196 unsigned int invert = tvc->invert;
197 int val;
198 int ret;
199
200 ret = snd_soc_component_read(component, reg, &val);
201 if (ret < 0)
202 return ret;
203 ucontrol->value.integer.value[0] =
204 tda7419_vol_get_value(val, mask, min, thresh, invert);
205
206 if (tda7419_vol_is_stereo(tvc)) {
207 ret = snd_soc_component_read(component, rreg, &val);
208 if (ret < 0)
209 return ret;
210 ucontrol->value.integer.value[1] =
211 tda7419_vol_get_value(val, mask, min, thresh, invert);
212 }
213
214 return 0;
215}
216
217static inline int tda7419_vol_put_value(int val, int thresh,
218 unsigned int invert)
219{
220 if (val < 0) {
221 if (invert)
222 val = abs(val);
223 else
224 val = thresh - val;
225 } else if ((val > 0) && invert) {
226 val += thresh;
227 }
228
229 return val;
230}
231
232static int tda7419_vol_put(struct snd_kcontrol *kcontrol,
233 struct snd_ctl_elem_value *ucontrol)
234{
235 struct snd_soc_component *component =
236 snd_kcontrol_chip(kcontrol);
237 struct tda7419_vol_control *tvc =
238 (struct tda7419_vol_control *)kcontrol->private_value;
239 unsigned int reg = tvc->reg;
240 unsigned int rreg = tvc->rreg;
241 unsigned int mask = tvc->mask;
242 int thresh = tvc->thresh;
243 unsigned int invert = tvc->invert;
244 int val;
245 int ret;
246
247 val = tda7419_vol_put_value(ucontrol->value.integer.value[0],
248 thresh, invert);
249 ret = snd_soc_component_update_bits(component, reg,
250 mask, val);
251 if (ret < 0)
252 return ret;
253
254 if (tda7419_vol_is_stereo(tvc)) {
255 val = tda7419_vol_put_value(ucontrol->value.integer.value[1],
256 thresh, invert);
257 ret = snd_soc_component_update_bits(component, rreg,
258 mask, val);
259 }
260
261 return ret;
262}
263
264#define TDA7419_SINGLE_VALUE(xreg, xmask, xmin, xmax, xthresh, xinvert) \
265 ((unsigned long)&(struct tda7419_vol_control) \
266 {.reg = xreg, .rreg = xreg, .mask = xmask, .min = xmin, \
267 .max = xmax, .thresh = xthresh, .invert = xinvert})
268
269#define TDA7419_DOUBLE_R_VALUE(xregl, xregr, xmask, xmin, xmax, xthresh, \
270 xinvert) \
271 ((unsigned long)&(struct tda7419_vol_control) \
272 {.reg = xregl, .rreg = xregr, .mask = xmask, .min = xmin, \
273 .max = xmax, .thresh = xthresh, .invert = xinvert})
274
275#define TDA7419_SINGLE_TLV(xname, xreg, xmask, xmin, xmax, xthresh, \
276 xinvert, xtlv_array) \
277{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
278 .name = xname, \
279 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
280 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
281 .tlv.p = (xtlv_array), \
282 .info = tda7419_vol_info, \
283 .get = tda7419_vol_get, \
284 .put = tda7419_vol_put, \
285 .private_value = TDA7419_SINGLE_VALUE(xreg, xmask, xmin, \
286 xmax, xthresh, xinvert), \
287}
288
289#define TDA7419_DOUBLE_R_TLV(xname, xregl, xregr, xmask, xmin, xmax, \
290 xthresh, xinvert, xtlv_array) \
291{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
292 .name = xname, \
293 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
294 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
295 .tlv.p = (xtlv_array), \
296 .info = tda7419_vol_info, \
297 .get = tda7419_vol_get, \
298 .put = tda7419_vol_put, \
299 .private_value = TDA7419_DOUBLE_R_VALUE(xregl, xregr, xmask, \
300 xmin, xmax, xthresh, \
301 xinvert), \
302}
303
304static const char * const enum_src_sel[] = {
305 "QD", "SE1", "SE2", "SE3", "SE", "Mute", "Mute", "Mute"};
306static SOC_ENUM_SINGLE_DECL(soc_enum_main_src_sel,
307 TDA7419_MAIN_SRC_REG, TDA7419_MAIN_SRC_SEL, enum_src_sel);
308static const struct snd_kcontrol_new soc_mux_main_src_sel =
309 SOC_DAPM_ENUM("Main Source Select", soc_enum_main_src_sel);
310static DECLARE_TLV_DB_SCALE(tlv_src_gain, 0, 100, 0);
311static DECLARE_TLV_DB_SCALE(tlv_loudness_atten, -1500, 100, 0);
312static const char * const enum_loudness_center_freq[] = {
313 "Flat", "400 Hz", "800 Hz", "2400 Hz"};
314static SOC_ENUM_SINGLE_DECL(soc_enum_loudness_center_freq,
315 TDA7419_LOUDNESS_REG, TDA7419_LOUDNESS_CENTER_FREQ,
316 enum_loudness_center_freq);
317static const char * const enum_mute_influence[] = {
318 "Pin and IIC", "IIC"};
319static SOC_ENUM_SINGLE_DECL(soc_enum_mute_influence,
320 TDA7419_MUTE_CLK_REG, TDA7419_MUTE_INFLUENCE, enum_mute_influence);
321static const char * const enum_soft_mute_time[] = {
322 "0.48 ms", "0.96 ms", "123 ms", "123 ms"};
323static SOC_ENUM_SINGLE_DECL(soc_enum_soft_mute_time,
324 TDA7419_MUTE_CLK_REG, TDA7419_SOFT_MUTE_TIME, enum_soft_mute_time);
325static const char * const enum_soft_step_time[] = {
326 "0.160 ms", "0.321 ms", "0.642 ms", "1.28 ms",
327 "2.56 ms", "5.12 ms", "10.24 ms", "20.48 ms"};
328static SOC_ENUM_SINGLE_DECL(soc_enum_soft_step_time,
329 TDA7419_MUTE_CLK_REG, TDA7419_SOFT_STEP_TIME, enum_soft_step_time);
330static DECLARE_TLV_DB_SCALE(tlv_volume, -8000, 100, 1);
331static const char * const enum_treble_center_freq[] = {
332 "10.0 kHz", "12.5 kHz", "15.0 kHz", "17.5 kHz"};
333static DECLARE_TLV_DB_SCALE(tlv_filter, -1500, 100, 0);
334static SOC_ENUM_SINGLE_DECL(soc_enum_treble_center_freq,
335 TDA7419_TREBLE_REG, TDA7419_TREBLE_CENTER_FREQ,
336 enum_treble_center_freq);
337static const char * const enum_ref_out_select[] = {
338 "External Vref (4 V)", "Internal Vref (3.3 V)"};
339static SOC_ENUM_SINGLE_DECL(soc_enum_ref_out_select,
340 TDA7419_TREBLE_REG, TDA7419_REF_OUT_SELECT, enum_ref_out_select);
341static const char * const enum_middle_q_factor[] = {
342 "0.5", "0.75", "1.0", "1.25"};
343static SOC_ENUM_SINGLE_DECL(soc_enum_middle_q_factor,
344 TDA7419_MIDDLE_REG, TDA7419_MIDDLE_Q_FACTOR, enum_middle_q_factor);
345static const char * const enum_bass_q_factor[] = {
346 "1.0", "1.25", "1.5", "2.0"};
347static SOC_ENUM_SINGLE_DECL(soc_enum_bass_q_factor,
348 TDA7419_BASS_REG, TDA7419_BASS_Q_FACTOR, enum_bass_q_factor);
349static SOC_ENUM_SINGLE_DECL(soc_enum_second_src_sel,
350 TDA7419_SECOND_SRC_REG, TDA7419_SECOND_SRC_SEL, enum_src_sel);
351static const struct snd_kcontrol_new soc_mux_second_src_sel =
352 SOC_DAPM_ENUM("Second Source Select", soc_enum_second_src_sel);
353static const char * const enum_rear_spkr_src[] = {
354 "Main", "Second"};
355static SOC_ENUM_SINGLE_DECL(soc_enum_rear_spkr_src,
356 TDA7419_SECOND_SRC_REG, TDA7419_REAR_SPKR_SRC, enum_rear_spkr_src);
357static const struct snd_kcontrol_new soc_mux_rear_spkr_src =
358 SOC_DAPM_ENUM("Rear Speaker Source", soc_enum_rear_spkr_src);
359static const char * const enum_sub_cut_off_freq[] = {
360 "Flat", "80 Hz", "120 Hz", "160 Hz"};
361static SOC_ENUM_SINGLE_DECL(soc_enum_sub_cut_off_freq,
362 TDA7419_SUB_MID_BASS_REG, TDA7419_SUB_CUT_OFF_FREQ,
363 enum_sub_cut_off_freq);
364static const char * const enum_middle_center_freq[] = {
365 "500 Hz", "1000 Hz", "1500 Hz", "2500 Hz"};
366static SOC_ENUM_SINGLE_DECL(soc_enum_middle_center_freq,
367 TDA7419_SUB_MID_BASS_REG, TDA7419_MIDDLE_CENTER_FREQ,
368 enum_middle_center_freq);
369static const char * const enum_bass_center_freq[] = {
370 "60 Hz", "80 Hz", "100 Hz", "200 Hz"};
371static SOC_ENUM_SINGLE_DECL(soc_enum_bass_center_freq,
372 TDA7419_SUB_MID_BASS_REG, TDA7419_BASS_CENTER_FREQ,
373 enum_bass_center_freq);
374static const char * const enum_sa_q_factor[] = {
375 "3.5", "1.75" };
376static SOC_ENUM_SINGLE_DECL(soc_enum_sa_q_factor,
377 TDA7419_SA_CLK_AC_REG, TDA7419_SA_Q_FACTOR, enum_sa_q_factor);
378static const char * const enum_reset_mode[] = {
379 "IIC", "Auto" };
380static SOC_ENUM_SINGLE_DECL(soc_enum_reset_mode,
381 TDA7419_SA_CLK_AC_REG, TDA7419_RESET_MODE, enum_reset_mode);
382static const char * const enum_sa_src[] = {
383 "Bass", "In Gain" };
384static SOC_ENUM_SINGLE_DECL(soc_enum_sa_src,
385 TDA7419_SA_CLK_AC_REG, TDA7419_SA_SOURCE, enum_sa_src);
386static const char * const enum_clk_src[] = {
387 "Internal", "External" };
388static SOC_ENUM_SINGLE_DECL(soc_enum_clk_src,
389 TDA7419_SA_CLK_AC_REG, TDA7419_CLK_SOURCE, enum_clk_src);
390static const char * const enum_coupling_mode[] = {
391 "DC Coupling (without HPF)", "AC Coupling after In Gain",
392 "DC Coupling (with HPF)", "AC Coupling after Bass" };
393static SOC_ENUM_SINGLE_DECL(soc_enum_coupling_mode,
394 TDA7419_SA_CLK_AC_REG, TDA7419_COUPLING_MODE, enum_coupling_mode);
395
396/* ASoC Controls */
397static struct snd_kcontrol_new tda7419_controls[] = {
398SOC_SINGLE_TLV("Main Source Capture Volume", TDA7419_MAIN_SRC_REG,
399 TDA7419_MAIN_SRC_GAIN, 15, 0, tlv_src_gain),
400SOC_SINGLE("Main Source AutoZero Switch", TDA7419_MAIN_SRC_REG,
401 TDA7419_MAIN_SRC_AUTOZERO, 1, 1),
402SOC_SINGLE_TLV("Loudness Playback Volume", TDA7419_LOUDNESS_REG,
403 TDA7419_LOUDNESS_ATTEN, 15, 1, tlv_loudness_atten),
404SOC_ENUM("Loudness Center Frequency", soc_enum_loudness_center_freq),
405SOC_SINGLE("Loudness High Boost Switch", TDA7419_LOUDNESS_REG,
406 TDA7419_LOUDNESS_BOOST, 1, 1),
407SOC_SINGLE("Loudness Soft Step Switch", TDA7419_LOUDNESS_REG,
408 TDA7419_LOUDNESS_SOFT_STEP, 1, 1),
409SOC_SINGLE("Soft Mute Switch", TDA7419_MUTE_CLK_REG, TDA7419_SOFT_MUTE, 1, 1),
410SOC_ENUM("Mute Influence", soc_enum_mute_influence),
411SOC_ENUM("Soft Mute Time", soc_enum_soft_mute_time),
412SOC_ENUM("Soft Step Time", soc_enum_soft_step_time),
413SOC_SINGLE("Clock Fast Mode Switch", TDA7419_MUTE_CLK_REG,
414 TDA7419_CLK_FAST_MODE, 1, 1),
415TDA7419_SINGLE_TLV("Master Playback Volume", TDA7419_VOLUME_REG,
416 0x7f, -80, 15, 0x10, 0, tlv_volume),
417SOC_SINGLE("Volume Soft Step Switch", TDA7419_VOLUME_REG,
418 TDA7419_VOLUME_SOFT_STEP, 1, 1),
419TDA7419_SINGLE_TLV("Treble Playback Volume", TDA7419_TREBLE_REG,
420 0x1f, -15, 15, 0x10, 1, tlv_filter),
421SOC_ENUM("Treble Center Frequency", soc_enum_treble_center_freq),
422SOC_ENUM("Reference Output Select", soc_enum_ref_out_select),
423TDA7419_SINGLE_TLV("Middle Playback Volume", TDA7419_MIDDLE_REG,
424 0x1f, -15, 15, 0x10, 1, tlv_filter),
425SOC_ENUM("Middle Q Factor", soc_enum_middle_q_factor),
426SOC_SINGLE("Middle Soft Step Switch", TDA7419_MIDDLE_REG,
427 TDA7419_MIDDLE_SOFT_STEP, 1, 1),
428TDA7419_SINGLE_TLV("Bass Playback Volume", TDA7419_BASS_REG,
429 0x1f, -15, 15, 0x10, 1, tlv_filter),
430SOC_ENUM("Bass Q Factor", soc_enum_bass_q_factor),
431SOC_SINGLE("Bass Soft Step Switch", TDA7419_BASS_REG,
432 TDA7419_BASS_SOFT_STEP, 1, 1),
433SOC_SINGLE_TLV("Second Source Capture Volume", TDA7419_SECOND_SRC_REG,
434 TDA7419_SECOND_SRC_GAIN, 15, 0, tlv_src_gain),
435SOC_ENUM("Subwoofer Cut-off Frequency", soc_enum_sub_cut_off_freq),
436SOC_ENUM("Middle Center Frequency", soc_enum_middle_center_freq),
437SOC_ENUM("Bass Center Frequency", soc_enum_bass_center_freq),
438SOC_SINGLE("Bass DC Mode Switch", TDA7419_SUB_MID_BASS_REG,
439 TDA7419_BASS_DC_MODE, 1, 1),
440SOC_SINGLE("Smoothing Filter Switch", TDA7419_SUB_MID_BASS_REG,
441 TDA7419_SMOOTHING_FILTER, 1, 1),
442TDA7419_DOUBLE_R_TLV("Front Speaker Playback Volume", TDA7419_ATTENUATOR_LF_REG,
443 TDA7419_ATTENUATOR_RF_REG, 0x7f, -80, 15, 0x10, 0,
444 tlv_volume),
445SOC_SINGLE("Left Front Soft Step Switch", TDA7419_ATTENUATOR_LF_REG,
446 TDA7419_VOLUME_SOFT_STEP, 1, 1),
447SOC_SINGLE("Right Front Soft Step Switch", TDA7419_ATTENUATOR_RF_REG,
448 TDA7419_VOLUME_SOFT_STEP, 1, 1),
449TDA7419_DOUBLE_R_TLV("Rear Speaker Playback Volume", TDA7419_ATTENUATOR_LR_REG,
450 TDA7419_ATTENUATOR_RR_REG, 0x7f, -80, 15, 0x10, 0,
451 tlv_volume),
452SOC_SINGLE("Left Rear Soft Step Switch", TDA7419_ATTENUATOR_LR_REG,
453 TDA7419_VOLUME_SOFT_STEP, 1, 1),
454SOC_SINGLE("Right Rear Soft Step Switch", TDA7419_ATTENUATOR_RR_REG,
455 TDA7419_VOLUME_SOFT_STEP, 1, 1),
456TDA7419_SINGLE_TLV("Mixing Capture Volume", TDA7419_MIXING_LEVEL_REG,
457 0x7f, -80, 15, 0x10, 0, tlv_volume),
458SOC_SINGLE("Mixing Level Soft Step Switch", TDA7419_MIXING_LEVEL_REG,
459 TDA7419_VOLUME_SOFT_STEP, 1, 1),
460TDA7419_SINGLE_TLV("Subwoofer Playback Volume", TDA7419_ATTENUATOR_SUB_REG,
461 0x7f, -80, 15, 0x10, 0, tlv_volume),
462SOC_SINGLE("Subwoofer Soft Step Switch", TDA7419_ATTENUATOR_SUB_REG,
463 TDA7419_VOLUME_SOFT_STEP, 1, 1),
464SOC_ENUM("Spectrum Analyzer Q Factor", soc_enum_sa_q_factor),
465SOC_ENUM("Spectrum Analyzer Reset Mode", soc_enum_reset_mode),
466SOC_ENUM("Spectrum Analyzer Source", soc_enum_sa_src),
467SOC_SINGLE("Spectrum Analyzer Run Switch", TDA7419_SA_CLK_AC_REG,
468 TDA7419_SA_RUN, 1, 1),
469SOC_SINGLE("Spectrum Analyzer Reset Switch", TDA7419_SA_CLK_AC_REG,
470 TDA7419_RESET, 1, 1),
471SOC_ENUM("Clock Source", soc_enum_clk_src),
472SOC_ENUM("Coupling Mode", soc_enum_coupling_mode),
473};
474
475static const struct snd_kcontrol_new soc_mixer_lf_output_controls[] = {
476 SOC_DAPM_SINGLE("Mix to LF Speaker Switch",
477 TDA7419_MIXING_GAIN_REG,
478 TDA7419_MIX_LF, 1, 1),
479};
480
481static const struct snd_kcontrol_new soc_mixer_rf_output_controls[] = {
482 SOC_DAPM_SINGLE("Mix to RF Speaker Switch",
483 TDA7419_MIXING_GAIN_REG,
484 TDA7419_MIX_RF, 1, 1),
485};
486
487static const struct snd_kcontrol_new soc_mix_enable_switch_controls[] = {
488 SOC_DAPM_SINGLE("Switch", TDA7419_MIXING_GAIN_REG,
489 TDA7419_MIX_ENABLE, 1, 1),
490};
491
492static const struct snd_kcontrol_new soc_sub_enable_switch_controls[] = {
493 SOC_DAPM_SINGLE("Switch", TDA7419_MIXING_GAIN_REG,
494 TDA7419_MIX_ENABLE, 1, 1),
495};
496
497static const struct snd_soc_dapm_widget tda7419_dapm_widgets[] = {
498 SND_SOC_DAPM_INPUT("SE3L"),
499 SND_SOC_DAPM_INPUT("SE3R"),
500 SND_SOC_DAPM_INPUT("SE2L"),
501 SND_SOC_DAPM_INPUT("SE2R"),
502 SND_SOC_DAPM_INPUT("SE1L"),
503 SND_SOC_DAPM_INPUT("SE1R"),
504 SND_SOC_DAPM_INPUT("DIFFL"),
505 SND_SOC_DAPM_INPUT("DIFFR"),
506 SND_SOC_DAPM_INPUT("MIX"),
507
508 SND_SOC_DAPM_MUX("Main Source Select", SND_SOC_NOPM,
509 0, 0, &soc_mux_main_src_sel),
510 SND_SOC_DAPM_MUX("Second Source Select", SND_SOC_NOPM,
511 0, 0, &soc_mux_second_src_sel),
512 SND_SOC_DAPM_MUX("Rear Speaker Source", SND_SOC_NOPM,
513 0, 0, &soc_mux_rear_spkr_src),
514
515 SND_SOC_DAPM_SWITCH("Mix Enable", SND_SOC_NOPM,
516 0, 0, &soc_mix_enable_switch_controls[0]),
517 SND_SOC_DAPM_MIXER_NAMED_CTL("LF Output Mixer", SND_SOC_NOPM,
518 0, 0, &soc_mixer_lf_output_controls[0],
519 ARRAY_SIZE(soc_mixer_lf_output_controls)),
520 SND_SOC_DAPM_MIXER_NAMED_CTL("RF Output Mixer", SND_SOC_NOPM,
521 0, 0, &soc_mixer_rf_output_controls[0],
522 ARRAY_SIZE(soc_mixer_rf_output_controls)),
523
524 SND_SOC_DAPM_SWITCH("Subwoofer Enable",
525 SND_SOC_NOPM, 0, 0,
526 &soc_sub_enable_switch_controls[0]),
527
528 SND_SOC_DAPM_OUTPUT("OUTLF"),
529 SND_SOC_DAPM_OUTPUT("OUTRF"),
530 SND_SOC_DAPM_OUTPUT("OUTLR"),
531 SND_SOC_DAPM_OUTPUT("OUTRR"),
532 SND_SOC_DAPM_OUTPUT("OUTSW"),
533};
534
535static const struct snd_soc_dapm_route tda7419_dapm_routes[] = {
536 {"Main Source Select", "SE3", "SE3L"},
537 {"Main Source Select", "SE3", "SE3R"},
538 {"Main Source Select", "SE2", "SE2L"},
539 {"Main Source Select", "SE2", "SE2R"},
540 {"Main Source Select", "SE1", "SE1L"},
541 {"Main Source Select", "SE1", "SE1R"},
542 {"Main Source Select", "SE", "DIFFL"},
543 {"Main Source Select", "SE", "DIFFR"},
544 {"Main Source Select", "QD", "DIFFL"},
545 {"Main Source Select", "QD", "DIFFR"},
546
547 {"Second Source Select", "SE3", "SE3L"},
548 {"Second Source Select", "SE3", "SE3R"},
549 {"Second Source Select", "SE2", "SE2L"},
550 {"Second Source Select", "SE2", "SE2R"},
551 {"Second Source Select", "SE1", "SE1L"},
552 {"Second Source Select", "SE1", "SE1R"},
553 {"Second Source Select", "SE", "DIFFL"},
554 {"Second Source Select", "SE", "DIFFR"},
555 {"Second Source Select", "QD", "DIFFL"},
556 {"Second Source Select", "QD", "DIFFR"},
557
558 {"Rear Speaker Source", "Main", "Main Source Select"},
559 {"Rear Speaker Source", "Second", "Second Source Select"},
560
561 {"Subwoofer Enable", "Switch", "Main Source Select"},
562
563 {"Mix Enable", "Switch", "MIX"},
564
565 {"LF Output Mixer", NULL, "Main Source Select"},
566 {"LF Output Mixer", "Mix to LF Speaker Switch", "Mix Enable"},
567 {"RF Output Mixer", NULL, "Main Source Select"},
568 {"RF Output Mixer", "Mix to RF Speaker Switch", "Mix Enable"},
569
570 {"OUTLF", NULL, "LF Output Mixer"},
571 {"OUTRF", NULL, "RF Output Mixer"},
572 {"OUTLR", NULL, "Rear Speaker Source"},
573 {"OUTRR", NULL, "Rear Speaker Source"},
574 {"OUTSW", NULL, "Subwoofer Enable"},
575};
576
577static const struct snd_soc_component_driver tda7419_component_driver = {
578 .name = "tda7419",
579 .controls = tda7419_controls,
580 .num_controls = ARRAY_SIZE(tda7419_controls),
581 .dapm_widgets = tda7419_dapm_widgets,
582 .num_dapm_widgets = ARRAY_SIZE(tda7419_dapm_widgets),
583 .dapm_routes = tda7419_dapm_routes,
584 .num_dapm_routes = ARRAY_SIZE(tda7419_dapm_routes),
585};
586
587static int tda7419_probe(struct i2c_client *i2c,
588 const struct i2c_device_id *id)
589{
590 struct tda7419_data *tda7419;
591 int i, ret;
592
593 tda7419 = devm_kzalloc(&i2c->dev,
594 sizeof(struct tda7419_data),
595 GFP_KERNEL);
596 if (tda7419 == NULL)
597 return -ENOMEM;
598
599 i2c_set_clientdata(i2c, tda7419);
600
601 tda7419->regmap = devm_regmap_init_i2c(i2c, &tda7419_regmap_config);
602 if (IS_ERR(tda7419->regmap)) {
603 ret = PTR_ERR(tda7419->regmap);
604 dev_err(&i2c->dev, "error initializing regmap: %d\n",
605 ret);
606 return ret;
607 }
608
609 /*
610 * Reset registers to power-on defaults. The part does not provide a
611 * soft-reset function and the registers are not readable. This ensures
612 * that the cache matches register contents even if the registers have
613 * been previously initialized and not power cycled before probe.
614 */
615 for (i = 0; i < ARRAY_SIZE(tda7419_regmap_defaults); i++)
616 regmap_write(tda7419->regmap,
617 tda7419_regmap_defaults[i].reg,
618 tda7419_regmap_defaults[i].def);
619
620 ret = devm_snd_soc_register_component(&i2c->dev,
621 &tda7419_component_driver, NULL, 0);
622 if (ret < 0) {
623 dev_err(&i2c->dev, "error registering component: %d\n",
624 ret);
625 }
626
627 return ret;
628}
629
630static const struct i2c_device_id tda7419_i2c_id[] = {
631 { "tda7419", 0 },
632 { }
633};
634MODULE_DEVICE_TABLE(i2c, tda7419_i2c_id);
635
636static const struct of_device_id tda7419_of_match[] = {
637 { .compatible = "st,tda7419" },
638 { },
639};
640
641static struct i2c_driver tda7419_driver = {
642 .driver = {
643 .name = "tda7419",
644 .of_match_table = tda7419_of_match,
645 },
646 .probe = tda7419_probe,
647 .id_table = tda7419_i2c_id,
648};
649
650module_i2c_driver(tda7419_driver);
651
652MODULE_AUTHOR("Matt Porter <mporter@konsulko.com>");
653MODULE_DESCRIPTION("TDA7419 audio processor driver");
654MODULE_LICENSE("GPL");