13d5fa527SPeter Rosin // SPDX-License-Identifier: GPL-2.0+
23d5fa527SPeter Rosin //
33d5fa527SPeter Rosin // tfa9879.c -- driver for NXP Semiconductors TFA9879
43d5fa527SPeter Rosin //
53d5fa527SPeter Rosin // Copyright (C) 2014 Axentia Technologies AB
63d5fa527SPeter Rosin // Author: Peter Rosin <peda@axentia.se>
7fbace43eSPeter Rosin
8fbace43eSPeter Rosin #include <linux/module.h>
9fbace43eSPeter Rosin #include <linux/init.h>
10fbace43eSPeter Rosin #include <linux/i2c.h>
11fbace43eSPeter Rosin #include <linux/regmap.h>
12fbace43eSPeter Rosin #include <sound/soc.h>
13fbace43eSPeter Rosin #include <sound/tlv.h>
14fbace43eSPeter Rosin #include <sound/pcm_params.h>
15fbace43eSPeter Rosin
16fbace43eSPeter Rosin #include "tfa9879.h"
17fbace43eSPeter Rosin
18fbace43eSPeter Rosin struct tfa9879_priv {
19fbace43eSPeter Rosin struct regmap *regmap;
20fbace43eSPeter Rosin int lsb_justified;
21fbace43eSPeter Rosin };
22fbace43eSPeter Rosin
tfa9879_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)23fbace43eSPeter Rosin static int tfa9879_hw_params(struct snd_pcm_substream *substream,
24fbace43eSPeter Rosin struct snd_pcm_hw_params *params,
25fbace43eSPeter Rosin struct snd_soc_dai *dai)
26fbace43eSPeter Rosin {
27064f6682SKuninori Morimoto struct snd_soc_component *component = dai->component;
28064f6682SKuninori Morimoto struct tfa9879_priv *tfa9879 = snd_soc_component_get_drvdata(component);
29fbace43eSPeter Rosin int fs;
30fbace43eSPeter Rosin int i2s_set = 0;
31fbace43eSPeter Rosin
32fbace43eSPeter Rosin switch (params_rate(params)) {
33fbace43eSPeter Rosin case 8000:
34fbace43eSPeter Rosin fs = TFA9879_I2S_FS_8000;
35fbace43eSPeter Rosin break;
36fbace43eSPeter Rosin case 11025:
37fbace43eSPeter Rosin fs = TFA9879_I2S_FS_11025;
38fbace43eSPeter Rosin break;
39fbace43eSPeter Rosin case 12000:
40fbace43eSPeter Rosin fs = TFA9879_I2S_FS_12000;
41fbace43eSPeter Rosin break;
42fbace43eSPeter Rosin case 16000:
43fbace43eSPeter Rosin fs = TFA9879_I2S_FS_16000;
44fbace43eSPeter Rosin break;
45fbace43eSPeter Rosin case 22050:
46fbace43eSPeter Rosin fs = TFA9879_I2S_FS_22050;
47fbace43eSPeter Rosin break;
48fbace43eSPeter Rosin case 24000:
49fbace43eSPeter Rosin fs = TFA9879_I2S_FS_24000;
50fbace43eSPeter Rosin break;
51fbace43eSPeter Rosin case 32000:
52fbace43eSPeter Rosin fs = TFA9879_I2S_FS_32000;
53fbace43eSPeter Rosin break;
54fbace43eSPeter Rosin case 44100:
55fbace43eSPeter Rosin fs = TFA9879_I2S_FS_44100;
56fbace43eSPeter Rosin break;
57fbace43eSPeter Rosin case 48000:
58fbace43eSPeter Rosin fs = TFA9879_I2S_FS_48000;
59fbace43eSPeter Rosin break;
60fbace43eSPeter Rosin case 64000:
61fbace43eSPeter Rosin fs = TFA9879_I2S_FS_64000;
62fbace43eSPeter Rosin break;
63fbace43eSPeter Rosin case 88200:
64fbace43eSPeter Rosin fs = TFA9879_I2S_FS_88200;
65fbace43eSPeter Rosin break;
66fbace43eSPeter Rosin case 96000:
67fbace43eSPeter Rosin fs = TFA9879_I2S_FS_96000;
68fbace43eSPeter Rosin break;
69fbace43eSPeter Rosin default:
70fbace43eSPeter Rosin return -EINVAL;
71fbace43eSPeter Rosin }
72fbace43eSPeter Rosin
73fbace43eSPeter Rosin switch (params_width(params)) {
74fbace43eSPeter Rosin case 16:
75fbace43eSPeter Rosin i2s_set = TFA9879_I2S_SET_LSB_J_16;
76fbace43eSPeter Rosin break;
77fbace43eSPeter Rosin case 24:
78fbace43eSPeter Rosin i2s_set = TFA9879_I2S_SET_LSB_J_24;
79fbace43eSPeter Rosin break;
80fbace43eSPeter Rosin default:
81fbace43eSPeter Rosin return -EINVAL;
82fbace43eSPeter Rosin }
83fbace43eSPeter Rosin
84fbace43eSPeter Rosin if (tfa9879->lsb_justified)
8542a2b674SPeter Rosin snd_soc_component_update_bits(component,
8642a2b674SPeter Rosin TFA9879_SERIAL_INTERFACE_1,
87fbace43eSPeter Rosin TFA9879_I2S_SET_MASK,
88fbace43eSPeter Rosin i2s_set << TFA9879_I2S_SET_SHIFT);
89fbace43eSPeter Rosin
90064f6682SKuninori Morimoto snd_soc_component_update_bits(component, TFA9879_SERIAL_INTERFACE_1,
91fbace43eSPeter Rosin TFA9879_I2S_FS_MASK,
92fbace43eSPeter Rosin fs << TFA9879_I2S_FS_SHIFT);
93fbace43eSPeter Rosin return 0;
94fbace43eSPeter Rosin }
95fbace43eSPeter Rosin
tfa9879_mute_stream(struct snd_soc_dai * dai,int mute,int direction)9654b59270SKuninori Morimoto static int tfa9879_mute_stream(struct snd_soc_dai *dai, int mute, int direction)
97fbace43eSPeter Rosin {
98064f6682SKuninori Morimoto struct snd_soc_component *component = dai->component;
99fbace43eSPeter Rosin
100064f6682SKuninori Morimoto snd_soc_component_update_bits(component, TFA9879_MISC_CONTROL,
101fbace43eSPeter Rosin TFA9879_S_MUTE_MASK,
102fbace43eSPeter Rosin !!mute << TFA9879_S_MUTE_SHIFT);
103fbace43eSPeter Rosin
104fbace43eSPeter Rosin return 0;
105fbace43eSPeter Rosin }
106fbace43eSPeter Rosin
tfa9879_set_fmt(struct snd_soc_dai * dai,unsigned int fmt)107fbace43eSPeter Rosin static int tfa9879_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
108fbace43eSPeter Rosin {
109064f6682SKuninori Morimoto struct snd_soc_component *component = dai->component;
110064f6682SKuninori Morimoto struct tfa9879_priv *tfa9879 = snd_soc_component_get_drvdata(component);
111fbace43eSPeter Rosin int i2s_set;
112fbace43eSPeter Rosin int sck_pol;
113fbace43eSPeter Rosin
1144f8ed195SMark Brown switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
1154f8ed195SMark Brown case SND_SOC_DAIFMT_CBC_CFC:
116fbace43eSPeter Rosin break;
117fbace43eSPeter Rosin default:
118fbace43eSPeter Rosin return -EINVAL;
119fbace43eSPeter Rosin }
120fbace43eSPeter Rosin
121fbace43eSPeter Rosin switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
122fbace43eSPeter Rosin case SND_SOC_DAIFMT_NB_NF:
123fbace43eSPeter Rosin sck_pol = TFA9879_SCK_POL_NORMAL;
124fbace43eSPeter Rosin break;
125fbace43eSPeter Rosin case SND_SOC_DAIFMT_IB_NF:
126fbace43eSPeter Rosin sck_pol = TFA9879_SCK_POL_INVERSE;
127fbace43eSPeter Rosin break;
128fbace43eSPeter Rosin default:
129fbace43eSPeter Rosin return -EINVAL;
130fbace43eSPeter Rosin }
131fbace43eSPeter Rosin
132fbace43eSPeter Rosin switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
133fbace43eSPeter Rosin case SND_SOC_DAIFMT_I2S:
134fbace43eSPeter Rosin tfa9879->lsb_justified = 0;
135fbace43eSPeter Rosin i2s_set = TFA9879_I2S_SET_I2S_24;
136fbace43eSPeter Rosin break;
137fbace43eSPeter Rosin case SND_SOC_DAIFMT_LEFT_J:
138fbace43eSPeter Rosin tfa9879->lsb_justified = 0;
139fbace43eSPeter Rosin i2s_set = TFA9879_I2S_SET_MSB_J_24;
140fbace43eSPeter Rosin break;
141fbace43eSPeter Rosin case SND_SOC_DAIFMT_RIGHT_J:
142fbace43eSPeter Rosin tfa9879->lsb_justified = 1;
143fbace43eSPeter Rosin i2s_set = TFA9879_I2S_SET_LSB_J_24;
144fbace43eSPeter Rosin break;
145fbace43eSPeter Rosin default:
146fbace43eSPeter Rosin return -EINVAL;
147fbace43eSPeter Rosin }
148fbace43eSPeter Rosin
149064f6682SKuninori Morimoto snd_soc_component_update_bits(component, TFA9879_SERIAL_INTERFACE_1,
150fbace43eSPeter Rosin TFA9879_SCK_POL_MASK,
151fbace43eSPeter Rosin sck_pol << TFA9879_SCK_POL_SHIFT);
152064f6682SKuninori Morimoto snd_soc_component_update_bits(component, TFA9879_SERIAL_INTERFACE_1,
153fbace43eSPeter Rosin TFA9879_I2S_SET_MASK,
154fbace43eSPeter Rosin i2s_set << TFA9879_I2S_SET_SHIFT);
155fbace43eSPeter Rosin return 0;
156fbace43eSPeter Rosin }
157fbace43eSPeter Rosin
158c418a84aSAxel Lin static const struct reg_default tfa9879_regs[] = {
159fbace43eSPeter Rosin { TFA9879_DEVICE_CONTROL, 0x0000 }, /* 0x00 */
160fbace43eSPeter Rosin { TFA9879_SERIAL_INTERFACE_1, 0x0a18 }, /* 0x01 */
161fbace43eSPeter Rosin { TFA9879_PCM_IOM2_FORMAT_1, 0x0007 }, /* 0x02 */
162fbace43eSPeter Rosin { TFA9879_SERIAL_INTERFACE_2, 0x0a18 }, /* 0x03 */
163fbace43eSPeter Rosin { TFA9879_PCM_IOM2_FORMAT_2, 0x0007 }, /* 0x04 */
164fbace43eSPeter Rosin { TFA9879_EQUALIZER_A1, 0x59dd }, /* 0x05 */
165fbace43eSPeter Rosin { TFA9879_EQUALIZER_A2, 0xc63e }, /* 0x06 */
166fbace43eSPeter Rosin { TFA9879_EQUALIZER_B1, 0x651a }, /* 0x07 */
167fbace43eSPeter Rosin { TFA9879_EQUALIZER_B2, 0xe53e }, /* 0x08 */
168fbace43eSPeter Rosin { TFA9879_EQUALIZER_C1, 0x4616 }, /* 0x09 */
169fbace43eSPeter Rosin { TFA9879_EQUALIZER_C2, 0xd33e }, /* 0x0a */
170fbace43eSPeter Rosin { TFA9879_EQUALIZER_D1, 0x4df3 }, /* 0x0b */
171fbace43eSPeter Rosin { TFA9879_EQUALIZER_D2, 0xea3e }, /* 0x0c */
172fbace43eSPeter Rosin { TFA9879_EQUALIZER_E1, 0x5ee0 }, /* 0x0d */
173fbace43eSPeter Rosin { TFA9879_EQUALIZER_E2, 0xf93e }, /* 0x0e */
174fbace43eSPeter Rosin { TFA9879_BYPASS_CONTROL, 0x0093 }, /* 0x0f */
175fbace43eSPeter Rosin { TFA9879_DYNAMIC_RANGE_COMPR, 0x92ba }, /* 0x10 */
176fbace43eSPeter Rosin { TFA9879_BASS_TREBLE, 0x12a5 }, /* 0x11 */
177fbace43eSPeter Rosin { TFA9879_HIGH_PASS_FILTER, 0x0004 }, /* 0x12 */
178fbace43eSPeter Rosin { TFA9879_VOLUME_CONTROL, 0x10bd }, /* 0x13 */
179fbace43eSPeter Rosin { TFA9879_MISC_CONTROL, 0x0000 }, /* 0x14 */
180fbace43eSPeter Rosin };
181fbace43eSPeter Rosin
tfa9879_volatile_reg(struct device * dev,unsigned int reg)182fbace43eSPeter Rosin static bool tfa9879_volatile_reg(struct device *dev, unsigned int reg)
183fbace43eSPeter Rosin {
184fbace43eSPeter Rosin return reg == TFA9879_MISC_STATUS;
185fbace43eSPeter Rosin }
186fbace43eSPeter Rosin
187fbace43eSPeter Rosin static const DECLARE_TLV_DB_SCALE(volume_tlv, -7050, 50, 1);
188fbace43eSPeter Rosin static const DECLARE_TLV_DB_SCALE(tb_gain_tlv, -1800, 200, 0);
189fbace43eSPeter Rosin static const char * const tb_freq_text[] = {
190fbace43eSPeter Rosin "Low", "Mid", "High"
191fbace43eSPeter Rosin };
192fbace43eSPeter Rosin static const struct soc_enum treble_freq_enum =
193fbace43eSPeter Rosin SOC_ENUM_SINGLE(TFA9879_BASS_TREBLE, TFA9879_F_TRBLE_SHIFT,
194fbace43eSPeter Rosin ARRAY_SIZE(tb_freq_text), tb_freq_text);
195fbace43eSPeter Rosin static const struct soc_enum bass_freq_enum =
196fbace43eSPeter Rosin SOC_ENUM_SINGLE(TFA9879_BASS_TREBLE, TFA9879_F_BASS_SHIFT,
197fbace43eSPeter Rosin ARRAY_SIZE(tb_freq_text), tb_freq_text);
198fbace43eSPeter Rosin
199fbace43eSPeter Rosin static const struct snd_kcontrol_new tfa9879_controls[] = {
200fbace43eSPeter Rosin SOC_SINGLE_TLV("PCM Playback Volume", TFA9879_VOLUME_CONTROL,
201fbace43eSPeter Rosin TFA9879_VOL_SHIFT, 0xbd, 1, volume_tlv),
202fbace43eSPeter Rosin SOC_SINGLE_TLV("Treble Volume", TFA9879_BASS_TREBLE,
203fbace43eSPeter Rosin TFA9879_G_TRBLE_SHIFT, 18, 0, tb_gain_tlv),
204fbace43eSPeter Rosin SOC_SINGLE_TLV("Bass Volume", TFA9879_BASS_TREBLE,
205fbace43eSPeter Rosin TFA9879_G_BASS_SHIFT, 18, 0, tb_gain_tlv),
206fbace43eSPeter Rosin SOC_ENUM("Treble Corner Freq", treble_freq_enum),
207fbace43eSPeter Rosin SOC_ENUM("Bass Corner Freq", bass_freq_enum),
208fbace43eSPeter Rosin };
209fbace43eSPeter Rosin
210fbace43eSPeter Rosin static const struct snd_soc_dapm_widget tfa9879_dapm_widgets[] = {
211fbace43eSPeter Rosin SND_SOC_DAPM_AIF_IN("AIFINL", "Playback", 0, SND_SOC_NOPM, 0, 0),
212fbace43eSPeter Rosin SND_SOC_DAPM_AIF_IN("AIFINR", "Playback", 1, SND_SOC_NOPM, 0, 0),
213fbace43eSPeter Rosin SND_SOC_DAPM_DAC("DAC", NULL, TFA9879_DEVICE_CONTROL, TFA9879_OPMODE_SHIFT, 0),
214fbace43eSPeter Rosin SND_SOC_DAPM_OUTPUT("LINEOUT"),
215fbace43eSPeter Rosin SND_SOC_DAPM_SUPPLY("POWER", TFA9879_DEVICE_CONTROL, TFA9879_POWERUP_SHIFT, 0,
216fbace43eSPeter Rosin NULL, 0),
217fbace43eSPeter Rosin };
218fbace43eSPeter Rosin
219fbace43eSPeter Rosin static const struct snd_soc_dapm_route tfa9879_dapm_routes[] = {
220fbace43eSPeter Rosin { "DAC", NULL, "AIFINL" },
221fbace43eSPeter Rosin { "DAC", NULL, "AIFINR" },
222fbace43eSPeter Rosin
223fbace43eSPeter Rosin { "LINEOUT", NULL, "DAC" },
224fbace43eSPeter Rosin
225fbace43eSPeter Rosin { "DAC", NULL, "POWER" },
226fbace43eSPeter Rosin };
227fbace43eSPeter Rosin
228064f6682SKuninori Morimoto static const struct snd_soc_component_driver tfa9879_component = {
229fbace43eSPeter Rosin .controls = tfa9879_controls,
230fbace43eSPeter Rosin .num_controls = ARRAY_SIZE(tfa9879_controls),
231fbace43eSPeter Rosin .dapm_widgets = tfa9879_dapm_widgets,
232fbace43eSPeter Rosin .num_dapm_widgets = ARRAY_SIZE(tfa9879_dapm_widgets),
233fbace43eSPeter Rosin .dapm_routes = tfa9879_dapm_routes,
234fbace43eSPeter Rosin .num_dapm_routes = ARRAY_SIZE(tfa9879_dapm_routes),
235064f6682SKuninori Morimoto .idle_bias_on = 1,
236064f6682SKuninori Morimoto .use_pmdown_time = 1,
237064f6682SKuninori Morimoto .endianness = 1,
238fbace43eSPeter Rosin };
239fbace43eSPeter Rosin
240fbace43eSPeter Rosin static const struct regmap_config tfa9879_regmap = {
241fbace43eSPeter Rosin .reg_bits = 8,
242fbace43eSPeter Rosin .val_bits = 16,
243fbace43eSPeter Rosin
244fbace43eSPeter Rosin .volatile_reg = tfa9879_volatile_reg,
245fbace43eSPeter Rosin .max_register = TFA9879_MISC_STATUS,
246fbace43eSPeter Rosin .reg_defaults = tfa9879_regs,
247fbace43eSPeter Rosin .num_reg_defaults = ARRAY_SIZE(tfa9879_regs),
248fbace43eSPeter Rosin .cache_type = REGCACHE_RBTREE,
249fbace43eSPeter Rosin };
250fbace43eSPeter Rosin
251fbace43eSPeter Rosin static const struct snd_soc_dai_ops tfa9879_dai_ops = {
252fbace43eSPeter Rosin .hw_params = tfa9879_hw_params,
25354b59270SKuninori Morimoto .mute_stream = tfa9879_mute_stream,
254fbace43eSPeter Rosin .set_fmt = tfa9879_set_fmt,
25554b59270SKuninori Morimoto .no_capture_mute = 1,
256fbace43eSPeter Rosin };
257fbace43eSPeter Rosin
258fbace43eSPeter Rosin #define TFA9879_RATES SNDRV_PCM_RATE_8000_96000
259fbace43eSPeter Rosin
260fbace43eSPeter Rosin #define TFA9879_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \
261fbace43eSPeter Rosin SNDRV_PCM_FMTBIT_S24_LE)
262fbace43eSPeter Rosin
263fbace43eSPeter Rosin static struct snd_soc_dai_driver tfa9879_dai = {
264fbace43eSPeter Rosin .name = "tfa9879-hifi",
265fbace43eSPeter Rosin .playback = {
266fbace43eSPeter Rosin .stream_name = "Playback",
267fbace43eSPeter Rosin .channels_min = 2,
268fbace43eSPeter Rosin .channels_max = 2,
269fbace43eSPeter Rosin .rates = TFA9879_RATES,
270fbace43eSPeter Rosin .formats = TFA9879_FORMATS, },
271fbace43eSPeter Rosin .ops = &tfa9879_dai_ops,
272fbace43eSPeter Rosin };
273fbace43eSPeter Rosin
tfa9879_i2c_probe(struct i2c_client * i2c)274e3225939SPeter Rosin static int tfa9879_i2c_probe(struct i2c_client *i2c)
275fbace43eSPeter Rosin {
276fbace43eSPeter Rosin struct tfa9879_priv *tfa9879;
277fbace43eSPeter Rosin int i;
278fbace43eSPeter Rosin
279fbace43eSPeter Rosin tfa9879 = devm_kzalloc(&i2c->dev, sizeof(*tfa9879), GFP_KERNEL);
280427ced4bSWei Yongjun if (!tfa9879)
281427ced4bSWei Yongjun return -ENOMEM;
282fbace43eSPeter Rosin
283fbace43eSPeter Rosin i2c_set_clientdata(i2c, tfa9879);
284fbace43eSPeter Rosin
285fbace43eSPeter Rosin tfa9879->regmap = devm_regmap_init_i2c(i2c, &tfa9879_regmap);
286fbace43eSPeter Rosin if (IS_ERR(tfa9879->regmap))
287fbace43eSPeter Rosin return PTR_ERR(tfa9879->regmap);
288fbace43eSPeter Rosin
289fbace43eSPeter Rosin /* Ensure the device is in reset state */
290fbace43eSPeter Rosin for (i = 0; i < ARRAY_SIZE(tfa9879_regs); i++)
291fbace43eSPeter Rosin regmap_write(tfa9879->regmap,
292fbace43eSPeter Rosin tfa9879_regs[i].reg, tfa9879_regs[i].def);
293fbace43eSPeter Rosin
294064f6682SKuninori Morimoto return devm_snd_soc_register_component(&i2c->dev, &tfa9879_component,
295fbace43eSPeter Rosin &tfa9879_dai, 1);
296fbace43eSPeter Rosin }
297fbace43eSPeter Rosin
298fbace43eSPeter Rosin static const struct i2c_device_id tfa9879_i2c_id[] = {
299fbace43eSPeter Rosin { "tfa9879", 0 },
300fbace43eSPeter Rosin { }
301fbace43eSPeter Rosin };
302fbace43eSPeter Rosin MODULE_DEVICE_TABLE(i2c, tfa9879_i2c_id);
303fbace43eSPeter Rosin
3043d345b5fSFabio Estevam static const struct of_device_id tfa9879_of_match[] = {
3053d345b5fSFabio Estevam { .compatible = "nxp,tfa9879", },
3063d345b5fSFabio Estevam { }
3073d345b5fSFabio Estevam };
30856ae83f1SJavier Martinez Canillas MODULE_DEVICE_TABLE(of, tfa9879_of_match);
3093d345b5fSFabio Estevam
310fbace43eSPeter Rosin static struct i2c_driver tfa9879_i2c_driver = {
311fbace43eSPeter Rosin .driver = {
312fbace43eSPeter Rosin .name = "tfa9879",
3133d345b5fSFabio Estevam .of_match_table = tfa9879_of_match,
314fbace43eSPeter Rosin },
315*9abcd240SUwe Kleine-König .probe = tfa9879_i2c_probe,
316fbace43eSPeter Rosin .id_table = tfa9879_i2c_id,
317fbace43eSPeter Rosin };
318fbace43eSPeter Rosin
319fbace43eSPeter Rosin module_i2c_driver(tfa9879_i2c_driver);
320fbace43eSPeter Rosin
321fbace43eSPeter Rosin MODULE_DESCRIPTION("ASoC NXP Semiconductors TFA9879 driver");
322fbace43eSPeter Rosin MODULE_AUTHOR("Peter Rosin <peda@axentia.se>");
323fbace43eSPeter Rosin MODULE_LICENSE("GPL");
324