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d2912cb1 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
6b3860b0 DP |
2 | /* |
3 | * wm8983.c -- WM8983 ALSA SoC Audio driver | |
4 | * | |
5 | * Copyright 2011 Wolfson Microelectronics plc | |
6 | * | |
7 | * Author: Dimitris Papastamos <dp@opensource.wolfsonmicro.com> | |
6b3860b0 DP |
8 | */ |
9 | ||
10 | #include <linux/module.h> | |
11 | #include <linux/moduleparam.h> | |
12 | #include <linux/init.h> | |
13 | #include <linux/delay.h> | |
14 | #include <linux/pm.h> | |
15 | #include <linux/i2c.h> | |
2ee01ac6 | 16 | #include <linux/regmap.h> |
6b3860b0 DP |
17 | #include <linux/spi/spi.h> |
18 | #include <linux/slab.h> | |
19 | #include <sound/core.h> | |
20 | #include <sound/pcm.h> | |
21 | #include <sound/pcm_params.h> | |
22 | #include <sound/soc.h> | |
23 | #include <sound/initval.h> | |
24 | #include <sound/tlv.h> | |
25 | ||
26 | #include "wm8983.h" | |
27 | ||
2ee01ac6 MB |
28 | static const struct reg_default wm8983_defaults[] = { |
29 | { 0x01, 0x0000 }, /* R1 - Power management 1 */ | |
30 | { 0x02, 0x0000 }, /* R2 - Power management 2 */ | |
31 | { 0x03, 0x0000 }, /* R3 - Power management 3 */ | |
32 | { 0x04, 0x0050 }, /* R4 - Audio Interface */ | |
33 | { 0x05, 0x0000 }, /* R5 - Companding control */ | |
34 | { 0x06, 0x0140 }, /* R6 - Clock Gen control */ | |
35 | { 0x07, 0x0000 }, /* R7 - Additional control */ | |
36 | { 0x08, 0x0000 }, /* R8 - GPIO Control */ | |
37 | { 0x09, 0x0000 }, /* R9 - Jack Detect Control 1 */ | |
38 | { 0x0A, 0x0000 }, /* R10 - DAC Control */ | |
39 | { 0x0B, 0x00FF }, /* R11 - Left DAC digital Vol */ | |
40 | { 0x0C, 0x00FF }, /* R12 - Right DAC digital vol */ | |
41 | { 0x0D, 0x0000 }, /* R13 - Jack Detect Control 2 */ | |
42 | { 0x0E, 0x0100 }, /* R14 - ADC Control */ | |
43 | { 0x0F, 0x00FF }, /* R15 - Left ADC Digital Vol */ | |
44 | { 0x10, 0x00FF }, /* R16 - Right ADC Digital Vol */ | |
45 | { 0x12, 0x012C }, /* R18 - EQ1 - low shelf */ | |
46 | { 0x13, 0x002C }, /* R19 - EQ2 - peak 1 */ | |
47 | { 0x14, 0x002C }, /* R20 - EQ3 - peak 2 */ | |
48 | { 0x15, 0x002C }, /* R21 - EQ4 - peak 3 */ | |
49 | { 0x16, 0x002C }, /* R22 - EQ5 - high shelf */ | |
50 | { 0x18, 0x0032 }, /* R24 - DAC Limiter 1 */ | |
51 | { 0x19, 0x0000 }, /* R25 - DAC Limiter 2 */ | |
52 | { 0x1B, 0x0000 }, /* R27 - Notch Filter 1 */ | |
53 | { 0x1C, 0x0000 }, /* R28 - Notch Filter 2 */ | |
54 | { 0x1D, 0x0000 }, /* R29 - Notch Filter 3 */ | |
55 | { 0x1E, 0x0000 }, /* R30 - Notch Filter 4 */ | |
56 | { 0x20, 0x0038 }, /* R32 - ALC control 1 */ | |
57 | { 0x21, 0x000B }, /* R33 - ALC control 2 */ | |
58 | { 0x22, 0x0032 }, /* R34 - ALC control 3 */ | |
59 | { 0x23, 0x0000 }, /* R35 - Noise Gate */ | |
60 | { 0x24, 0x0008 }, /* R36 - PLL N */ | |
61 | { 0x25, 0x000C }, /* R37 - PLL K 1 */ | |
62 | { 0x26, 0x0093 }, /* R38 - PLL K 2 */ | |
63 | { 0x27, 0x00E9 }, /* R39 - PLL K 3 */ | |
64 | { 0x29, 0x0000 }, /* R41 - 3D control */ | |
65 | { 0x2A, 0x0000 }, /* R42 - OUT4 to ADC */ | |
66 | { 0x2B, 0x0000 }, /* R43 - Beep control */ | |
67 | { 0x2C, 0x0033 }, /* R44 - Input ctrl */ | |
68 | { 0x2D, 0x0010 }, /* R45 - Left INP PGA gain ctrl */ | |
69 | { 0x2E, 0x0010 }, /* R46 - Right INP PGA gain ctrl */ | |
70 | { 0x2F, 0x0100 }, /* R47 - Left ADC BOOST ctrl */ | |
71 | { 0x30, 0x0100 }, /* R48 - Right ADC BOOST ctrl */ | |
72 | { 0x31, 0x0002 }, /* R49 - Output ctrl */ | |
73 | { 0x32, 0x0001 }, /* R50 - Left mixer ctrl */ | |
74 | { 0x33, 0x0001 }, /* R51 - Right mixer ctrl */ | |
75 | { 0x34, 0x0039 }, /* R52 - LOUT1 (HP) volume ctrl */ | |
76 | { 0x35, 0x0039 }, /* R53 - ROUT1 (HP) volume ctrl */ | |
77 | { 0x36, 0x0039 }, /* R54 - LOUT2 (SPK) volume ctrl */ | |
78 | { 0x37, 0x0039 }, /* R55 - ROUT2 (SPK) volume ctrl */ | |
79 | { 0x38, 0x0001 }, /* R56 - OUT3 mixer ctrl */ | |
80 | { 0x39, 0x0001 }, /* R57 - OUT4 (MONO) mix ctrl */ | |
81 | { 0x3D, 0x0000 }, /* R61 - BIAS CTRL */ | |
6b3860b0 DP |
82 | }; |
83 | ||
6b3860b0 DP |
84 | /* vol/gain update regs */ |
85 | static const int vol_update_regs[] = { | |
86 | WM8983_LEFT_DAC_DIGITAL_VOL, | |
87 | WM8983_RIGHT_DAC_DIGITAL_VOL, | |
88 | WM8983_LEFT_ADC_DIGITAL_VOL, | |
89 | WM8983_RIGHT_ADC_DIGITAL_VOL, | |
90 | WM8983_LOUT1_HP_VOLUME_CTRL, | |
91 | WM8983_ROUT1_HP_VOLUME_CTRL, | |
92 | WM8983_LOUT2_SPK_VOLUME_CTRL, | |
93 | WM8983_ROUT2_SPK_VOLUME_CTRL, | |
94 | WM8983_LEFT_INP_PGA_GAIN_CTRL, | |
95 | WM8983_RIGHT_INP_PGA_GAIN_CTRL | |
96 | }; | |
97 | ||
98 | struct wm8983_priv { | |
2ee01ac6 | 99 | struct regmap *regmap; |
6b3860b0 DP |
100 | u32 sysclk; |
101 | u32 bclk; | |
102 | }; | |
103 | ||
104 | static const struct { | |
105 | int div; | |
106 | int ratio; | |
107 | } fs_ratios[] = { | |
108 | { 10, 128 }, | |
109 | { 15, 192 }, | |
110 | { 20, 256 }, | |
111 | { 30, 384 }, | |
112 | { 40, 512 }, | |
113 | { 60, 768 }, | |
114 | { 80, 1024 }, | |
115 | { 120, 1536 } | |
116 | }; | |
117 | ||
118 | static const int srates[] = { 48000, 32000, 24000, 16000, 12000, 8000 }; | |
119 | ||
120 | static const int bclk_divs[] = { | |
121 | 1, 2, 4, 8, 16, 32 | |
122 | }; | |
123 | ||
124 | static int eqmode_get(struct snd_kcontrol *kcontrol, | |
125 | struct snd_ctl_elem_value *ucontrol); | |
126 | static int eqmode_put(struct snd_kcontrol *kcontrol, | |
127 | struct snd_ctl_elem_value *ucontrol); | |
128 | ||
129 | static const DECLARE_TLV_DB_SCALE(dac_tlv, -12700, 50, 1); | |
130 | static const DECLARE_TLV_DB_SCALE(adc_tlv, -12700, 50, 1); | |
131 | static const DECLARE_TLV_DB_SCALE(out_tlv, -5700, 100, 0); | |
132 | static const DECLARE_TLV_DB_SCALE(lim_thresh_tlv, -600, 100, 0); | |
133 | static const DECLARE_TLV_DB_SCALE(lim_boost_tlv, 0, 100, 0); | |
134 | static const DECLARE_TLV_DB_SCALE(alc_min_tlv, -1200, 600, 0); | |
135 | static const DECLARE_TLV_DB_SCALE(alc_max_tlv, -675, 600, 0); | |
136 | static const DECLARE_TLV_DB_SCALE(alc_tar_tlv, -2250, 150, 0); | |
137 | static const DECLARE_TLV_DB_SCALE(pga_vol_tlv, -1200, 75, 0); | |
138 | static const DECLARE_TLV_DB_SCALE(boost_tlv, -1200, 300, 1); | |
139 | static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0); | |
140 | static const DECLARE_TLV_DB_SCALE(aux_tlv, -1500, 300, 0); | |
141 | static const DECLARE_TLV_DB_SCALE(bypass_tlv, -1500, 300, 0); | |
142 | static const DECLARE_TLV_DB_SCALE(pga_boost_tlv, 0, 2000, 0); | |
143 | ||
144 | static const char *alc_sel_text[] = { "Off", "Right", "Left", "Stereo" }; | |
ae170688 | 145 | static SOC_ENUM_SINGLE_DECL(alc_sel, WM8983_ALC_CONTROL_1, 7, alc_sel_text); |
6b3860b0 DP |
146 | |
147 | static const char *alc_mode_text[] = { "ALC", "Limiter" }; | |
ae170688 | 148 | static SOC_ENUM_SINGLE_DECL(alc_mode, WM8983_ALC_CONTROL_3, 8, alc_mode_text); |
6b3860b0 DP |
149 | |
150 | static const char *filter_mode_text[] = { "Audio", "Application" }; | |
ae170688 TI |
151 | static SOC_ENUM_SINGLE_DECL(filter_mode, WM8983_ADC_CONTROL, 7, |
152 | filter_mode_text); | |
6b3860b0 DP |
153 | |
154 | static const char *eq_bw_text[] = { "Narrow", "Wide" }; | |
155 | static const char *eqmode_text[] = { "Capture", "Playback" }; | |
ae170688 | 156 | static SOC_ENUM_SINGLE_EXT_DECL(eqmode, eqmode_text); |
6b3860b0 DP |
157 | |
158 | static const char *eq1_cutoff_text[] = { | |
159 | "80Hz", "105Hz", "135Hz", "175Hz" | |
160 | }; | |
ae170688 TI |
161 | static SOC_ENUM_SINGLE_DECL(eq1_cutoff, WM8983_EQ1_LOW_SHELF, 5, |
162 | eq1_cutoff_text); | |
6b3860b0 DP |
163 | static const char *eq2_cutoff_text[] = { |
164 | "230Hz", "300Hz", "385Hz", "500Hz" | |
165 | }; | |
ae170688 TI |
166 | static SOC_ENUM_SINGLE_DECL(eq2_bw, WM8983_EQ2_PEAK_1, 8, eq_bw_text); |
167 | static SOC_ENUM_SINGLE_DECL(eq2_cutoff, WM8983_EQ2_PEAK_1, 5, eq2_cutoff_text); | |
6b3860b0 DP |
168 | static const char *eq3_cutoff_text[] = { |
169 | "650Hz", "850Hz", "1.1kHz", "1.4kHz" | |
170 | }; | |
ae170688 TI |
171 | static SOC_ENUM_SINGLE_DECL(eq3_bw, WM8983_EQ3_PEAK_2, 8, eq_bw_text); |
172 | static SOC_ENUM_SINGLE_DECL(eq3_cutoff, WM8983_EQ3_PEAK_2, 5, eq3_cutoff_text); | |
6b3860b0 DP |
173 | static const char *eq4_cutoff_text[] = { |
174 | "1.8kHz", "2.4kHz", "3.2kHz", "4.1kHz" | |
175 | }; | |
ae170688 TI |
176 | static SOC_ENUM_SINGLE_DECL(eq4_bw, WM8983_EQ4_PEAK_3, 8, eq_bw_text); |
177 | static SOC_ENUM_SINGLE_DECL(eq4_cutoff, WM8983_EQ4_PEAK_3, 5, eq4_cutoff_text); | |
6b3860b0 DP |
178 | static const char *eq5_cutoff_text[] = { |
179 | "5.3kHz", "6.9kHz", "9kHz", "11.7kHz" | |
180 | }; | |
ae170688 TI |
181 | static SOC_ENUM_SINGLE_DECL(eq5_cutoff, WM8983_EQ5_HIGH_SHELF, 5, |
182 | eq5_cutoff_text); | |
6b3860b0 | 183 | |
6b3860b0 DP |
184 | static const char *depth_3d_text[] = { |
185 | "Off", | |
186 | "6.67%", | |
187 | "13.3%", | |
188 | "20%", | |
189 | "26.7%", | |
190 | "33.3%", | |
191 | "40%", | |
192 | "46.6%", | |
193 | "53.3%", | |
194 | "60%", | |
195 | "66.7%", | |
196 | "73.3%", | |
197 | "80%", | |
198 | "86.7%", | |
199 | "93.3%", | |
200 | "100%" | |
201 | }; | |
ae170688 TI |
202 | static SOC_ENUM_SINGLE_DECL(depth_3d, WM8983_3D_CONTROL, 0, |
203 | depth_3d_text); | |
6b3860b0 DP |
204 | |
205 | static const struct snd_kcontrol_new wm8983_snd_controls[] = { | |
206 | SOC_SINGLE("Digital Loopback Switch", WM8983_COMPANDING_CONTROL, | |
207 | 0, 1, 0), | |
208 | ||
209 | SOC_ENUM("ALC Capture Function", alc_sel), | |
210 | SOC_SINGLE_TLV("ALC Capture Max Volume", WM8983_ALC_CONTROL_1, | |
211 | 3, 7, 0, alc_max_tlv), | |
212 | SOC_SINGLE_TLV("ALC Capture Min Volume", WM8983_ALC_CONTROL_1, | |
213 | 0, 7, 0, alc_min_tlv), | |
214 | SOC_SINGLE_TLV("ALC Capture Target Volume", WM8983_ALC_CONTROL_2, | |
215 | 0, 15, 0, alc_tar_tlv), | |
216 | SOC_SINGLE("ALC Capture Attack", WM8983_ALC_CONTROL_3, 0, 10, 0), | |
217 | SOC_SINGLE("ALC Capture Hold", WM8983_ALC_CONTROL_2, 4, 10, 0), | |
218 | SOC_SINGLE("ALC Capture Decay", WM8983_ALC_CONTROL_3, 4, 10, 0), | |
219 | SOC_ENUM("ALC Mode", alc_mode), | |
220 | SOC_SINGLE("ALC Capture NG Switch", WM8983_NOISE_GATE, | |
221 | 3, 1, 0), | |
222 | SOC_SINGLE("ALC Capture NG Threshold", WM8983_NOISE_GATE, | |
223 | 0, 7, 1), | |
224 | ||
225 | SOC_DOUBLE_R_TLV("Capture Volume", WM8983_LEFT_ADC_DIGITAL_VOL, | |
226 | WM8983_RIGHT_ADC_DIGITAL_VOL, 0, 255, 0, adc_tlv), | |
227 | SOC_DOUBLE_R("Capture PGA ZC Switch", WM8983_LEFT_INP_PGA_GAIN_CTRL, | |
228 | WM8983_RIGHT_INP_PGA_GAIN_CTRL, 7, 1, 0), | |
229 | SOC_DOUBLE_R_TLV("Capture PGA Volume", WM8983_LEFT_INP_PGA_GAIN_CTRL, | |
230 | WM8983_RIGHT_INP_PGA_GAIN_CTRL, 0, 63, 0, pga_vol_tlv), | |
231 | ||
232 | SOC_DOUBLE_R_TLV("Capture PGA Boost Volume", | |
233 | WM8983_LEFT_ADC_BOOST_CTRL, WM8983_RIGHT_ADC_BOOST_CTRL, | |
234 | 8, 1, 0, pga_boost_tlv), | |
235 | ||
236 | SOC_DOUBLE("ADC Inversion Switch", WM8983_ADC_CONTROL, 0, 1, 1, 0), | |
237 | SOC_SINGLE("ADC 128x Oversampling Switch", WM8983_ADC_CONTROL, 8, 1, 0), | |
238 | ||
239 | SOC_DOUBLE_R_TLV("Playback Volume", WM8983_LEFT_DAC_DIGITAL_VOL, | |
240 | WM8983_RIGHT_DAC_DIGITAL_VOL, 0, 255, 0, dac_tlv), | |
241 | ||
242 | SOC_SINGLE("DAC Playback Limiter Switch", WM8983_DAC_LIMITER_1, 8, 1, 0), | |
243 | SOC_SINGLE("DAC Playback Limiter Decay", WM8983_DAC_LIMITER_1, 4, 10, 0), | |
244 | SOC_SINGLE("DAC Playback Limiter Attack", WM8983_DAC_LIMITER_1, 0, 11, 0), | |
245 | SOC_SINGLE_TLV("DAC Playback Limiter Threshold", WM8983_DAC_LIMITER_2, | |
246 | 4, 7, 1, lim_thresh_tlv), | |
247 | SOC_SINGLE_TLV("DAC Playback Limiter Boost Volume", WM8983_DAC_LIMITER_2, | |
248 | 0, 12, 0, lim_boost_tlv), | |
249 | SOC_DOUBLE("DAC Inversion Switch", WM8983_DAC_CONTROL, 0, 1, 1, 0), | |
250 | SOC_SINGLE("DAC Auto Mute Switch", WM8983_DAC_CONTROL, 2, 1, 0), | |
251 | SOC_SINGLE("DAC 128x Oversampling Switch", WM8983_DAC_CONTROL, 3, 1, 0), | |
252 | ||
253 | SOC_DOUBLE_R_TLV("Headphone Playback Volume", WM8983_LOUT1_HP_VOLUME_CTRL, | |
254 | WM8983_ROUT1_HP_VOLUME_CTRL, 0, 63, 0, out_tlv), | |
255 | SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8983_LOUT1_HP_VOLUME_CTRL, | |
256 | WM8983_ROUT1_HP_VOLUME_CTRL, 7, 1, 0), | |
257 | SOC_DOUBLE_R("Headphone Switch", WM8983_LOUT1_HP_VOLUME_CTRL, | |
258 | WM8983_ROUT1_HP_VOLUME_CTRL, 6, 1, 1), | |
259 | ||
260 | SOC_DOUBLE_R_TLV("Speaker Playback Volume", WM8983_LOUT2_SPK_VOLUME_CTRL, | |
261 | WM8983_ROUT2_SPK_VOLUME_CTRL, 0, 63, 0, out_tlv), | |
262 | SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8983_LOUT2_SPK_VOLUME_CTRL, | |
263 | WM8983_ROUT2_SPK_VOLUME_CTRL, 7, 1, 0), | |
264 | SOC_DOUBLE_R("Speaker Switch", WM8983_LOUT2_SPK_VOLUME_CTRL, | |
265 | WM8983_ROUT2_SPK_VOLUME_CTRL, 6, 1, 1), | |
266 | ||
267 | SOC_SINGLE("OUT3 Switch", WM8983_OUT3_MIXER_CTRL, | |
268 | 6, 1, 1), | |
269 | ||
270 | SOC_SINGLE("OUT4 Switch", WM8983_OUT4_MONO_MIX_CTRL, | |
271 | 6, 1, 1), | |
272 | ||
273 | SOC_SINGLE("High Pass Filter Switch", WM8983_ADC_CONTROL, 8, 1, 0), | |
274 | SOC_ENUM("High Pass Filter Mode", filter_mode), | |
275 | SOC_SINGLE("High Pass Filter Cutoff", WM8983_ADC_CONTROL, 4, 7, 0), | |
276 | ||
277 | SOC_DOUBLE_R_TLV("Aux Bypass Volume", | |
278 | WM8983_LEFT_MIXER_CTRL, WM8983_RIGHT_MIXER_CTRL, 6, 7, 0, | |
279 | aux_tlv), | |
280 | ||
281 | SOC_DOUBLE_R_TLV("Input PGA Bypass Volume", | |
282 | WM8983_LEFT_MIXER_CTRL, WM8983_RIGHT_MIXER_CTRL, 2, 7, 0, | |
283 | bypass_tlv), | |
284 | ||
285 | SOC_ENUM_EXT("Equalizer Function", eqmode, eqmode_get, eqmode_put), | |
286 | SOC_ENUM("EQ1 Cutoff", eq1_cutoff), | |
287 | SOC_SINGLE_TLV("EQ1 Volume", WM8983_EQ1_LOW_SHELF, 0, 24, 1, eq_tlv), | |
c46d5c04 | 288 | SOC_ENUM("EQ2 Bandwidth", eq2_bw), |
6b3860b0 DP |
289 | SOC_ENUM("EQ2 Cutoff", eq2_cutoff), |
290 | SOC_SINGLE_TLV("EQ2 Volume", WM8983_EQ2_PEAK_1, 0, 24, 1, eq_tlv), | |
c46d5c04 | 291 | SOC_ENUM("EQ3 Bandwidth", eq3_bw), |
6b3860b0 DP |
292 | SOC_ENUM("EQ3 Cutoff", eq3_cutoff), |
293 | SOC_SINGLE_TLV("EQ3 Volume", WM8983_EQ3_PEAK_2, 0, 24, 1, eq_tlv), | |
c46d5c04 | 294 | SOC_ENUM("EQ4 Bandwidth", eq4_bw), |
6b3860b0 DP |
295 | SOC_ENUM("EQ4 Cutoff", eq4_cutoff), |
296 | SOC_SINGLE_TLV("EQ4 Volume", WM8983_EQ4_PEAK_3, 0, 24, 1, eq_tlv), | |
297 | SOC_ENUM("EQ5 Cutoff", eq5_cutoff), | |
298 | SOC_SINGLE_TLV("EQ5 Volume", WM8983_EQ5_HIGH_SHELF, 0, 24, 1, eq_tlv), | |
299 | ||
300 | SOC_ENUM("3D Depth", depth_3d), | |
6b3860b0 DP |
301 | }; |
302 | ||
303 | static const struct snd_kcontrol_new left_out_mixer[] = { | |
304 | SOC_DAPM_SINGLE("Line Switch", WM8983_LEFT_MIXER_CTRL, 1, 1, 0), | |
305 | SOC_DAPM_SINGLE("Aux Switch", WM8983_LEFT_MIXER_CTRL, 5, 1, 0), | |
306 | SOC_DAPM_SINGLE("PCM Switch", WM8983_LEFT_MIXER_CTRL, 0, 1, 0), | |
307 | }; | |
308 | ||
309 | static const struct snd_kcontrol_new right_out_mixer[] = { | |
310 | SOC_DAPM_SINGLE("Line Switch", WM8983_RIGHT_MIXER_CTRL, 1, 1, 0), | |
311 | SOC_DAPM_SINGLE("Aux Switch", WM8983_RIGHT_MIXER_CTRL, 5, 1, 0), | |
312 | SOC_DAPM_SINGLE("PCM Switch", WM8983_RIGHT_MIXER_CTRL, 0, 1, 0), | |
313 | }; | |
314 | ||
315 | static const struct snd_kcontrol_new left_input_mixer[] = { | |
316 | SOC_DAPM_SINGLE("L2 Switch", WM8983_INPUT_CTRL, 2, 1, 0), | |
317 | SOC_DAPM_SINGLE("MicN Switch", WM8983_INPUT_CTRL, 1, 1, 0), | |
318 | SOC_DAPM_SINGLE("MicP Switch", WM8983_INPUT_CTRL, 0, 1, 0), | |
319 | }; | |
320 | ||
321 | static const struct snd_kcontrol_new right_input_mixer[] = { | |
322 | SOC_DAPM_SINGLE("R2 Switch", WM8983_INPUT_CTRL, 6, 1, 0), | |
323 | SOC_DAPM_SINGLE("MicN Switch", WM8983_INPUT_CTRL, 5, 1, 0), | |
324 | SOC_DAPM_SINGLE("MicP Switch", WM8983_INPUT_CTRL, 4, 1, 0), | |
325 | }; | |
326 | ||
327 | static const struct snd_kcontrol_new left_boost_mixer[] = { | |
328 | SOC_DAPM_SINGLE_TLV("L2 Volume", WM8983_LEFT_ADC_BOOST_CTRL, | |
329 | 4, 7, 0, boost_tlv), | |
330 | SOC_DAPM_SINGLE_TLV("AUXL Volume", WM8983_LEFT_ADC_BOOST_CTRL, | |
331 | 0, 7, 0, boost_tlv) | |
332 | }; | |
333 | ||
334 | static const struct snd_kcontrol_new out3_mixer[] = { | |
335 | SOC_DAPM_SINGLE("LMIX2OUT3 Switch", WM8983_OUT3_MIXER_CTRL, | |
336 | 1, 1, 0), | |
337 | SOC_DAPM_SINGLE("LDAC2OUT3 Switch", WM8983_OUT3_MIXER_CTRL, | |
338 | 0, 1, 0), | |
339 | }; | |
340 | ||
341 | static const struct snd_kcontrol_new out4_mixer[] = { | |
342 | SOC_DAPM_SINGLE("LMIX2OUT4 Switch", WM8983_OUT4_MONO_MIX_CTRL, | |
343 | 4, 1, 0), | |
344 | SOC_DAPM_SINGLE("RMIX2OUT4 Switch", WM8983_OUT4_MONO_MIX_CTRL, | |
345 | 1, 1, 0), | |
346 | SOC_DAPM_SINGLE("LDAC2OUT4 Switch", WM8983_OUT4_MONO_MIX_CTRL, | |
347 | 3, 1, 0), | |
348 | SOC_DAPM_SINGLE("RDAC2OUT4 Switch", WM8983_OUT4_MONO_MIX_CTRL, | |
349 | 0, 1, 0), | |
350 | }; | |
351 | ||
352 | static const struct snd_kcontrol_new right_boost_mixer[] = { | |
353 | SOC_DAPM_SINGLE_TLV("R2 Volume", WM8983_RIGHT_ADC_BOOST_CTRL, | |
354 | 4, 7, 0, boost_tlv), | |
355 | SOC_DAPM_SINGLE_TLV("AUXR Volume", WM8983_RIGHT_ADC_BOOST_CTRL, | |
356 | 0, 7, 0, boost_tlv) | |
357 | }; | |
358 | ||
359 | static const struct snd_soc_dapm_widget wm8983_dapm_widgets[] = { | |
360 | SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8983_POWER_MANAGEMENT_3, | |
361 | 0, 0), | |
362 | SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8983_POWER_MANAGEMENT_3, | |
363 | 1, 0), | |
364 | SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8983_POWER_MANAGEMENT_2, | |
365 | 0, 0), | |
366 | SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8983_POWER_MANAGEMENT_2, | |
367 | 1, 0), | |
368 | ||
369 | SND_SOC_DAPM_MIXER("Left Output Mixer", WM8983_POWER_MANAGEMENT_3, | |
370 | 2, 0, left_out_mixer, ARRAY_SIZE(left_out_mixer)), | |
371 | SND_SOC_DAPM_MIXER("Right Output Mixer", WM8983_POWER_MANAGEMENT_3, | |
372 | 3, 0, right_out_mixer, ARRAY_SIZE(right_out_mixer)), | |
373 | ||
374 | SND_SOC_DAPM_MIXER("Left Input Mixer", WM8983_POWER_MANAGEMENT_2, | |
375 | 2, 0, left_input_mixer, ARRAY_SIZE(left_input_mixer)), | |
376 | SND_SOC_DAPM_MIXER("Right Input Mixer", WM8983_POWER_MANAGEMENT_2, | |
377 | 3, 0, right_input_mixer, ARRAY_SIZE(right_input_mixer)), | |
378 | ||
379 | SND_SOC_DAPM_MIXER("Left Boost Mixer", WM8983_POWER_MANAGEMENT_2, | |
380 | 4, 0, left_boost_mixer, ARRAY_SIZE(left_boost_mixer)), | |
381 | SND_SOC_DAPM_MIXER("Right Boost Mixer", WM8983_POWER_MANAGEMENT_2, | |
382 | 5, 0, right_boost_mixer, ARRAY_SIZE(right_boost_mixer)), | |
383 | ||
384 | SND_SOC_DAPM_MIXER("OUT3 Mixer", WM8983_POWER_MANAGEMENT_1, | |
385 | 6, 0, out3_mixer, ARRAY_SIZE(out3_mixer)), | |
386 | ||
387 | SND_SOC_DAPM_MIXER("OUT4 Mixer", WM8983_POWER_MANAGEMENT_1, | |
388 | 7, 0, out4_mixer, ARRAY_SIZE(out4_mixer)), | |
389 | ||
390 | SND_SOC_DAPM_PGA("Left Capture PGA", WM8983_LEFT_INP_PGA_GAIN_CTRL, | |
391 | 6, 1, NULL, 0), | |
392 | SND_SOC_DAPM_PGA("Right Capture PGA", WM8983_RIGHT_INP_PGA_GAIN_CTRL, | |
393 | 6, 1, NULL, 0), | |
394 | ||
395 | SND_SOC_DAPM_PGA("Left Headphone Out", WM8983_POWER_MANAGEMENT_2, | |
396 | 7, 0, NULL, 0), | |
397 | SND_SOC_DAPM_PGA("Right Headphone Out", WM8983_POWER_MANAGEMENT_2, | |
398 | 8, 0, NULL, 0), | |
399 | ||
400 | SND_SOC_DAPM_PGA("Left Speaker Out", WM8983_POWER_MANAGEMENT_3, | |
401 | 5, 0, NULL, 0), | |
402 | SND_SOC_DAPM_PGA("Right Speaker Out", WM8983_POWER_MANAGEMENT_3, | |
403 | 6, 0, NULL, 0), | |
404 | ||
405 | SND_SOC_DAPM_PGA("OUT3 Out", WM8983_POWER_MANAGEMENT_3, | |
406 | 7, 0, NULL, 0), | |
407 | ||
408 | SND_SOC_DAPM_PGA("OUT4 Out", WM8983_POWER_MANAGEMENT_3, | |
409 | 8, 0, NULL, 0), | |
410 | ||
605b151a MB |
411 | SND_SOC_DAPM_SUPPLY("Mic Bias", WM8983_POWER_MANAGEMENT_1, 4, 0, |
412 | NULL, 0), | |
6b3860b0 DP |
413 | |
414 | SND_SOC_DAPM_INPUT("LIN"), | |
415 | SND_SOC_DAPM_INPUT("LIP"), | |
416 | SND_SOC_DAPM_INPUT("RIN"), | |
417 | SND_SOC_DAPM_INPUT("RIP"), | |
418 | SND_SOC_DAPM_INPUT("AUXL"), | |
419 | SND_SOC_DAPM_INPUT("AUXR"), | |
420 | SND_SOC_DAPM_INPUT("L2"), | |
421 | SND_SOC_DAPM_INPUT("R2"), | |
422 | SND_SOC_DAPM_OUTPUT("HPL"), | |
423 | SND_SOC_DAPM_OUTPUT("HPR"), | |
424 | SND_SOC_DAPM_OUTPUT("SPKL"), | |
425 | SND_SOC_DAPM_OUTPUT("SPKR"), | |
426 | SND_SOC_DAPM_OUTPUT("OUT3"), | |
427 | SND_SOC_DAPM_OUTPUT("OUT4") | |
428 | }; | |
429 | ||
430 | static const struct snd_soc_dapm_route wm8983_audio_map[] = { | |
431 | { "OUT3 Mixer", "LMIX2OUT3 Switch", "Left Output Mixer" }, | |
432 | { "OUT3 Mixer", "LDAC2OUT3 Switch", "Left DAC" }, | |
433 | ||
434 | { "OUT3 Out", NULL, "OUT3 Mixer" }, | |
435 | { "OUT3", NULL, "OUT3 Out" }, | |
436 | ||
437 | { "OUT4 Mixer", "LMIX2OUT4 Switch", "Left Output Mixer" }, | |
438 | { "OUT4 Mixer", "RMIX2OUT4 Switch", "Right Output Mixer" }, | |
439 | { "OUT4 Mixer", "LDAC2OUT4 Switch", "Left DAC" }, | |
440 | { "OUT4 Mixer", "RDAC2OUT4 Switch", "Right DAC" }, | |
441 | ||
442 | { "OUT4 Out", NULL, "OUT4 Mixer" }, | |
443 | { "OUT4", NULL, "OUT4 Out" }, | |
444 | ||
445 | { "Right Output Mixer", "PCM Switch", "Right DAC" }, | |
446 | { "Right Output Mixer", "Aux Switch", "AUXR" }, | |
447 | { "Right Output Mixer", "Line Switch", "Right Boost Mixer" }, | |
448 | ||
449 | { "Left Output Mixer", "PCM Switch", "Left DAC" }, | |
450 | { "Left Output Mixer", "Aux Switch", "AUXL" }, | |
451 | { "Left Output Mixer", "Line Switch", "Left Boost Mixer" }, | |
452 | ||
453 | { "Right Headphone Out", NULL, "Right Output Mixer" }, | |
454 | { "HPR", NULL, "Right Headphone Out" }, | |
455 | ||
456 | { "Left Headphone Out", NULL, "Left Output Mixer" }, | |
457 | { "HPL", NULL, "Left Headphone Out" }, | |
458 | ||
459 | { "Right Speaker Out", NULL, "Right Output Mixer" }, | |
460 | { "SPKR", NULL, "Right Speaker Out" }, | |
461 | ||
462 | { "Left Speaker Out", NULL, "Left Output Mixer" }, | |
463 | { "SPKL", NULL, "Left Speaker Out" }, | |
464 | ||
465 | { "Right ADC", NULL, "Right Boost Mixer" }, | |
466 | ||
467 | { "Right Boost Mixer", "AUXR Volume", "AUXR" }, | |
468 | { "Right Boost Mixer", NULL, "Right Capture PGA" }, | |
469 | { "Right Boost Mixer", "R2 Volume", "R2" }, | |
470 | ||
471 | { "Left ADC", NULL, "Left Boost Mixer" }, | |
472 | ||
473 | { "Left Boost Mixer", "AUXL Volume", "AUXL" }, | |
474 | { "Left Boost Mixer", NULL, "Left Capture PGA" }, | |
475 | { "Left Boost Mixer", "L2 Volume", "L2" }, | |
476 | ||
477 | { "Right Capture PGA", NULL, "Right Input Mixer" }, | |
478 | { "Left Capture PGA", NULL, "Left Input Mixer" }, | |
479 | ||
480 | { "Right Input Mixer", "R2 Switch", "R2" }, | |
481 | { "Right Input Mixer", "MicN Switch", "RIN" }, | |
482 | { "Right Input Mixer", "MicP Switch", "RIP" }, | |
483 | ||
484 | { "Left Input Mixer", "L2 Switch", "L2" }, | |
485 | { "Left Input Mixer", "MicN Switch", "LIN" }, | |
486 | { "Left Input Mixer", "MicP Switch", "LIP" }, | |
487 | }; | |
488 | ||
489 | static int eqmode_get(struct snd_kcontrol *kcontrol, | |
490 | struct snd_ctl_elem_value *ucontrol) | |
491 | { | |
e3a68fd8 | 492 | struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); |
6b3860b0 DP |
493 | unsigned int reg; |
494 | ||
e3a68fd8 | 495 | reg = snd_soc_component_read32(component, WM8983_EQ1_LOW_SHELF); |
6b3860b0 | 496 | if (reg & WM8983_EQ3DMODE) |
b5ab2659 | 497 | ucontrol->value.enumerated.item[0] = 1; |
6b3860b0 | 498 | else |
b5ab2659 | 499 | ucontrol->value.enumerated.item[0] = 0; |
6b3860b0 DP |
500 | |
501 | return 0; | |
502 | } | |
503 | ||
504 | static int eqmode_put(struct snd_kcontrol *kcontrol, | |
505 | struct snd_ctl_elem_value *ucontrol) | |
506 | { | |
e3a68fd8 | 507 | struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); |
6b3860b0 DP |
508 | unsigned int regpwr2, regpwr3; |
509 | unsigned int reg_eq; | |
510 | ||
b5ab2659 TI |
511 | if (ucontrol->value.enumerated.item[0] != 0 |
512 | && ucontrol->value.enumerated.item[0] != 1) | |
6b3860b0 DP |
513 | return -EINVAL; |
514 | ||
e3a68fd8 | 515 | reg_eq = snd_soc_component_read32(component, WM8983_EQ1_LOW_SHELF); |
6b3860b0 DP |
516 | switch ((reg_eq & WM8983_EQ3DMODE) >> WM8983_EQ3DMODE_SHIFT) { |
517 | case 0: | |
b5ab2659 | 518 | if (!ucontrol->value.enumerated.item[0]) |
6b3860b0 DP |
519 | return 0; |
520 | break; | |
521 | case 1: | |
b5ab2659 | 522 | if (ucontrol->value.enumerated.item[0]) |
6b3860b0 DP |
523 | return 0; |
524 | break; | |
525 | } | |
526 | ||
e3a68fd8 KM |
527 | regpwr2 = snd_soc_component_read32(component, WM8983_POWER_MANAGEMENT_2); |
528 | regpwr3 = snd_soc_component_read32(component, WM8983_POWER_MANAGEMENT_3); | |
6b3860b0 | 529 | /* disable the DACs and ADCs */ |
e3a68fd8 | 530 | snd_soc_component_update_bits(component, WM8983_POWER_MANAGEMENT_2, |
6b3860b0 | 531 | WM8983_ADCENR_MASK | WM8983_ADCENL_MASK, 0); |
e3a68fd8 | 532 | snd_soc_component_update_bits(component, WM8983_POWER_MANAGEMENT_3, |
6b3860b0 DP |
533 | WM8983_DACENR_MASK | WM8983_DACENL_MASK, 0); |
534 | /* set the desired eqmode */ | |
e3a68fd8 | 535 | snd_soc_component_update_bits(component, WM8983_EQ1_LOW_SHELF, |
6b3860b0 | 536 | WM8983_EQ3DMODE_MASK, |
b5ab2659 | 537 | ucontrol->value.enumerated.item[0] |
6b3860b0 DP |
538 | << WM8983_EQ3DMODE_SHIFT); |
539 | /* restore DAC/ADC configuration */ | |
e3a68fd8 KM |
540 | snd_soc_component_write(component, WM8983_POWER_MANAGEMENT_2, regpwr2); |
541 | snd_soc_component_write(component, WM8983_POWER_MANAGEMENT_3, regpwr3); | |
6b3860b0 DP |
542 | return 0; |
543 | } | |
544 | ||
85e71184 | 545 | static bool wm8983_writeable(struct device *dev, unsigned int reg) |
6b3860b0 | 546 | { |
85e71184 AL |
547 | switch (reg) { |
548 | case WM8983_SOFTWARE_RESET ... WM8983_RIGHT_ADC_DIGITAL_VOL: | |
549 | case WM8983_EQ1_LOW_SHELF ... WM8983_DAC_LIMITER_2: | |
550 | case WM8983_NOTCH_FILTER_1 ... WM8983_NOTCH_FILTER_4: | |
551 | case WM8983_ALC_CONTROL_1 ... WM8983_PLL_K_3: | |
552 | case WM8983_3D_CONTROL ... WM8983_OUT4_MONO_MIX_CTRL: | |
553 | case WM8983_BIAS_CTRL: | |
554 | return true; | |
555 | default: | |
556 | return false; | |
557 | } | |
6b3860b0 DP |
558 | } |
559 | ||
560 | static int wm8983_dac_mute(struct snd_soc_dai *dai, int mute) | |
561 | { | |
e3a68fd8 | 562 | struct snd_soc_component *component = dai->component; |
6b3860b0 | 563 | |
e3a68fd8 | 564 | return snd_soc_component_update_bits(component, WM8983_DAC_CONTROL, |
6b3860b0 DP |
565 | WM8983_SOFTMUTE_MASK, |
566 | !!mute << WM8983_SOFTMUTE_SHIFT); | |
567 | } | |
568 | ||
569 | static int wm8983_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | |
570 | { | |
e3a68fd8 | 571 | struct snd_soc_component *component = dai->component; |
6b3860b0 DP |
572 | u16 format, master, bcp, lrp; |
573 | ||
574 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
575 | case SND_SOC_DAIFMT_I2S: | |
576 | format = 0x2; | |
577 | break; | |
578 | case SND_SOC_DAIFMT_RIGHT_J: | |
579 | format = 0x0; | |
580 | break; | |
581 | case SND_SOC_DAIFMT_LEFT_J: | |
582 | format = 0x1; | |
583 | break; | |
584 | case SND_SOC_DAIFMT_DSP_A: | |
585 | case SND_SOC_DAIFMT_DSP_B: | |
586 | format = 0x3; | |
587 | break; | |
588 | default: | |
589 | dev_err(dai->dev, "Unknown dai format\n"); | |
590 | return -EINVAL; | |
591 | } | |
592 | ||
e3a68fd8 | 593 | snd_soc_component_update_bits(component, WM8983_AUDIO_INTERFACE, |
6b3860b0 DP |
594 | WM8983_FMT_MASK, format << WM8983_FMT_SHIFT); |
595 | ||
596 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
597 | case SND_SOC_DAIFMT_CBM_CFM: | |
598 | master = 1; | |
599 | break; | |
600 | case SND_SOC_DAIFMT_CBS_CFS: | |
601 | master = 0; | |
602 | break; | |
603 | default: | |
604 | dev_err(dai->dev, "Unknown master/slave configuration\n"); | |
605 | return -EINVAL; | |
606 | } | |
607 | ||
e3a68fd8 | 608 | snd_soc_component_update_bits(component, WM8983_CLOCK_GEN_CONTROL, |
6b3860b0 DP |
609 | WM8983_MS_MASK, master << WM8983_MS_SHIFT); |
610 | ||
611 | /* FIXME: We don't currently support DSP A/B modes */ | |
612 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
613 | case SND_SOC_DAIFMT_DSP_A: | |
614 | case SND_SOC_DAIFMT_DSP_B: | |
615 | dev_err(dai->dev, "DSP A/B modes are not supported\n"); | |
616 | return -EINVAL; | |
617 | default: | |
618 | break; | |
619 | } | |
620 | ||
621 | bcp = lrp = 0; | |
622 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
623 | case SND_SOC_DAIFMT_NB_NF: | |
624 | break; | |
625 | case SND_SOC_DAIFMT_IB_IF: | |
626 | bcp = lrp = 1; | |
627 | break; | |
628 | case SND_SOC_DAIFMT_IB_NF: | |
629 | bcp = 1; | |
630 | break; | |
631 | case SND_SOC_DAIFMT_NB_IF: | |
632 | lrp = 1; | |
633 | break; | |
634 | default: | |
635 | dev_err(dai->dev, "Unknown polarity configuration\n"); | |
636 | return -EINVAL; | |
637 | } | |
638 | ||
e3a68fd8 | 639 | snd_soc_component_update_bits(component, WM8983_AUDIO_INTERFACE, |
6b3860b0 | 640 | WM8983_LRCP_MASK, lrp << WM8983_LRCP_SHIFT); |
e3a68fd8 | 641 | snd_soc_component_update_bits(component, WM8983_AUDIO_INTERFACE, |
6b3860b0 DP |
642 | WM8983_BCP_MASK, bcp << WM8983_BCP_SHIFT); |
643 | return 0; | |
644 | } | |
645 | ||
646 | static int wm8983_hw_params(struct snd_pcm_substream *substream, | |
647 | struct snd_pcm_hw_params *params, | |
648 | struct snd_soc_dai *dai) | |
649 | { | |
650 | int i; | |
e3a68fd8 KM |
651 | struct snd_soc_component *component = dai->component; |
652 | struct wm8983_priv *wm8983 = snd_soc_component_get_drvdata(component); | |
6b3860b0 DP |
653 | u16 blen, srate_idx; |
654 | u32 tmp; | |
655 | int srate_best; | |
656 | int ret; | |
657 | ||
658 | ret = snd_soc_params_to_bclk(params); | |
659 | if (ret < 0) { | |
e3a68fd8 | 660 | dev_err(component->dev, "Failed to convert params to bclk: %d\n", ret); |
6b3860b0 DP |
661 | return ret; |
662 | } | |
663 | ||
664 | wm8983->bclk = ret; | |
665 | ||
af8ff146 MB |
666 | switch (params_width(params)) { |
667 | case 16: | |
6b3860b0 DP |
668 | blen = 0x0; |
669 | break; | |
af8ff146 | 670 | case 20: |
6b3860b0 DP |
671 | blen = 0x1; |
672 | break; | |
af8ff146 | 673 | case 24: |
6b3860b0 DP |
674 | blen = 0x2; |
675 | break; | |
af8ff146 | 676 | case 32: |
6b3860b0 DP |
677 | blen = 0x3; |
678 | break; | |
679 | default: | |
680 | dev_err(dai->dev, "Unsupported word length %u\n", | |
af8ff146 | 681 | params_width(params)); |
6b3860b0 DP |
682 | return -EINVAL; |
683 | } | |
684 | ||
e3a68fd8 | 685 | snd_soc_component_update_bits(component, WM8983_AUDIO_INTERFACE, |
6b3860b0 DP |
686 | WM8983_WL_MASK, blen << WM8983_WL_SHIFT); |
687 | ||
688 | /* | |
689 | * match to the nearest possible sample rate and rely | |
690 | * on the array index to configure the SR register | |
691 | */ | |
692 | srate_idx = 0; | |
693 | srate_best = abs(srates[0] - params_rate(params)); | |
694 | for (i = 1; i < ARRAY_SIZE(srates); ++i) { | |
695 | if (abs(srates[i] - params_rate(params)) >= srate_best) | |
696 | continue; | |
697 | srate_idx = i; | |
698 | srate_best = abs(srates[i] - params_rate(params)); | |
699 | } | |
700 | ||
701 | dev_dbg(dai->dev, "Selected SRATE = %d\n", srates[srate_idx]); | |
e3a68fd8 | 702 | snd_soc_component_update_bits(component, WM8983_ADDITIONAL_CONTROL, |
6b3860b0 DP |
703 | WM8983_SR_MASK, srate_idx << WM8983_SR_SHIFT); |
704 | ||
705 | dev_dbg(dai->dev, "Target BCLK = %uHz\n", wm8983->bclk); | |
706 | dev_dbg(dai->dev, "SYSCLK = %uHz\n", wm8983->sysclk); | |
707 | ||
708 | for (i = 0; i < ARRAY_SIZE(fs_ratios); ++i) { | |
709 | if (wm8983->sysclk / params_rate(params) | |
710 | == fs_ratios[i].ratio) | |
711 | break; | |
712 | } | |
713 | ||
714 | if (i == ARRAY_SIZE(fs_ratios)) { | |
715 | dev_err(dai->dev, "Unable to configure MCLK ratio %u/%u\n", | |
716 | wm8983->sysclk, params_rate(params)); | |
717 | return -EINVAL; | |
718 | } | |
719 | ||
720 | dev_dbg(dai->dev, "MCLK ratio = %dfs\n", fs_ratios[i].ratio); | |
e3a68fd8 | 721 | snd_soc_component_update_bits(component, WM8983_CLOCK_GEN_CONTROL, |
6b3860b0 DP |
722 | WM8983_MCLKDIV_MASK, i << WM8983_MCLKDIV_SHIFT); |
723 | ||
724 | /* select the appropriate bclk divider */ | |
725 | tmp = (wm8983->sysclk / fs_ratios[i].div) * 10; | |
726 | for (i = 0; i < ARRAY_SIZE(bclk_divs); ++i) { | |
727 | if (wm8983->bclk == tmp / bclk_divs[i]) | |
728 | break; | |
729 | } | |
730 | ||
731 | if (i == ARRAY_SIZE(bclk_divs)) { | |
732 | dev_err(dai->dev, "No matching BCLK divider found\n"); | |
733 | return -EINVAL; | |
734 | } | |
735 | ||
736 | dev_dbg(dai->dev, "BCLK div = %d\n", i); | |
e3a68fd8 | 737 | snd_soc_component_update_bits(component, WM8983_CLOCK_GEN_CONTROL, |
6b3860b0 DP |
738 | WM8983_BCLKDIV_MASK, i << WM8983_BCLKDIV_SHIFT); |
739 | ||
740 | return 0; | |
741 | } | |
742 | ||
743 | struct pll_div { | |
744 | u32 div2:1; | |
745 | u32 n:4; | |
746 | u32 k:24; | |
747 | }; | |
748 | ||
749 | #define FIXED_PLL_SIZE ((1ULL << 24) * 10) | |
750 | static int pll_factors(struct pll_div *pll_div, unsigned int target, | |
751 | unsigned int source) | |
752 | { | |
753 | u64 Kpart; | |
754 | unsigned long int K, Ndiv, Nmod; | |
755 | ||
756 | pll_div->div2 = 0; | |
757 | Ndiv = target / source; | |
758 | if (Ndiv < 6) { | |
759 | source >>= 1; | |
760 | pll_div->div2 = 1; | |
761 | Ndiv = target / source; | |
762 | } | |
763 | ||
764 | if (Ndiv < 6 || Ndiv > 12) { | |
765 | printk(KERN_ERR "%s: WM8983 N value is not within" | |
766 | " the recommended range: %lu\n", __func__, Ndiv); | |
767 | return -EINVAL; | |
768 | } | |
769 | pll_div->n = Ndiv; | |
770 | ||
771 | Nmod = target % source; | |
772 | Kpart = FIXED_PLL_SIZE * (u64)Nmod; | |
773 | ||
774 | do_div(Kpart, source); | |
775 | ||
776 | K = Kpart & 0xffffffff; | |
777 | if ((K % 10) >= 5) | |
778 | K += 5; | |
779 | K /= 10; | |
780 | pll_div->k = K; | |
781 | return 0; | |
782 | } | |
783 | ||
784 | static int wm8983_set_pll(struct snd_soc_dai *dai, int pll_id, | |
785 | int source, unsigned int freq_in, | |
786 | unsigned int freq_out) | |
787 | { | |
788 | int ret; | |
e3a68fd8 | 789 | struct snd_soc_component *component; |
6b3860b0 DP |
790 | struct pll_div pll_div; |
791 | ||
e3a68fd8 | 792 | component = dai->component; |
6757d8cc FE |
793 | if (!freq_in || !freq_out) { |
794 | /* disable the PLL */ | |
e3a68fd8 | 795 | snd_soc_component_update_bits(component, WM8983_POWER_MANAGEMENT_1, |
6757d8cc FE |
796 | WM8983_PLLEN_MASK, 0); |
797 | return 0; | |
798 | } else { | |
6b3860b0 DP |
799 | ret = pll_factors(&pll_div, freq_out * 4 * 2, freq_in); |
800 | if (ret) | |
801 | return ret; | |
6b3860b0 | 802 | |
6757d8cc | 803 | /* disable the PLL before re-programming it */ |
e3a68fd8 | 804 | snd_soc_component_update_bits(component, WM8983_POWER_MANAGEMENT_1, |
6757d8cc FE |
805 | WM8983_PLLEN_MASK, 0); |
806 | ||
807 | /* set PLLN and PRESCALE */ | |
e3a68fd8 | 808 | snd_soc_component_write(component, WM8983_PLL_N, |
6757d8cc FE |
809 | (pll_div.div2 << WM8983_PLL_PRESCALE_SHIFT) |
810 | | pll_div.n); | |
811 | /* set PLLK */ | |
e3a68fd8 KM |
812 | snd_soc_component_write(component, WM8983_PLL_K_3, pll_div.k & 0x1ff); |
813 | snd_soc_component_write(component, WM8983_PLL_K_2, (pll_div.k >> 9) & 0x1ff); | |
814 | snd_soc_component_write(component, WM8983_PLL_K_1, (pll_div.k >> 18)); | |
6757d8cc | 815 | /* enable the PLL */ |
e3a68fd8 | 816 | snd_soc_component_update_bits(component, WM8983_POWER_MANAGEMENT_1, |
6757d8cc FE |
817 | WM8983_PLLEN_MASK, WM8983_PLLEN); |
818 | } | |
6b3860b0 | 819 | |
6b3860b0 DP |
820 | return 0; |
821 | } | |
822 | ||
823 | static int wm8983_set_sysclk(struct snd_soc_dai *dai, | |
824 | int clk_id, unsigned int freq, int dir) | |
825 | { | |
e3a68fd8 KM |
826 | struct snd_soc_component *component = dai->component; |
827 | struct wm8983_priv *wm8983 = snd_soc_component_get_drvdata(component); | |
6b3860b0 DP |
828 | |
829 | switch (clk_id) { | |
830 | case WM8983_CLKSRC_MCLK: | |
e3a68fd8 | 831 | snd_soc_component_update_bits(component, WM8983_CLOCK_GEN_CONTROL, |
6b3860b0 DP |
832 | WM8983_CLKSEL_MASK, 0); |
833 | break; | |
834 | case WM8983_CLKSRC_PLL: | |
e3a68fd8 | 835 | snd_soc_component_update_bits(component, WM8983_CLOCK_GEN_CONTROL, |
6b3860b0 DP |
836 | WM8983_CLKSEL_MASK, WM8983_CLKSEL); |
837 | break; | |
838 | default: | |
839 | dev_err(dai->dev, "Unknown clock source: %d\n", clk_id); | |
840 | return -EINVAL; | |
841 | } | |
842 | ||
843 | wm8983->sysclk = freq; | |
844 | return 0; | |
845 | } | |
846 | ||
e3a68fd8 | 847 | static int wm8983_set_bias_level(struct snd_soc_component *component, |
6b3860b0 DP |
848 | enum snd_soc_bias_level level) |
849 | { | |
e3a68fd8 | 850 | struct wm8983_priv *wm8983 = snd_soc_component_get_drvdata(component); |
6b3860b0 DP |
851 | int ret; |
852 | ||
853 | switch (level) { | |
854 | case SND_SOC_BIAS_ON: | |
855 | case SND_SOC_BIAS_PREPARE: | |
856 | /* VMID at 100k */ | |
e3a68fd8 | 857 | snd_soc_component_update_bits(component, WM8983_POWER_MANAGEMENT_1, |
6b3860b0 DP |
858 | WM8983_VMIDSEL_MASK, |
859 | 1 << WM8983_VMIDSEL_SHIFT); | |
860 | break; | |
861 | case SND_SOC_BIAS_STANDBY: | |
e3a68fd8 | 862 | if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) { |
2ee01ac6 | 863 | ret = regcache_sync(wm8983->regmap); |
6b3860b0 | 864 | if (ret < 0) { |
e3a68fd8 | 865 | dev_err(component->dev, "Failed to sync cache: %d\n", ret); |
6b3860b0 DP |
866 | return ret; |
867 | } | |
868 | /* enable anti-pop features */ | |
e3a68fd8 | 869 | snd_soc_component_update_bits(component, WM8983_OUT4_TO_ADC, |
6b3860b0 DP |
870 | WM8983_POBCTRL_MASK | WM8983_DELEN_MASK, |
871 | WM8983_POBCTRL | WM8983_DELEN); | |
872 | /* enable thermal shutdown */ | |
e3a68fd8 | 873 | snd_soc_component_update_bits(component, WM8983_OUTPUT_CTRL, |
6b3860b0 DP |
874 | WM8983_TSDEN_MASK, WM8983_TSDEN); |
875 | /* enable BIASEN */ | |
e3a68fd8 | 876 | snd_soc_component_update_bits(component, WM8983_POWER_MANAGEMENT_1, |
6b3860b0 DP |
877 | WM8983_BIASEN_MASK, WM8983_BIASEN); |
878 | /* VMID at 100k */ | |
e3a68fd8 | 879 | snd_soc_component_update_bits(component, WM8983_POWER_MANAGEMENT_1, |
6b3860b0 DP |
880 | WM8983_VMIDSEL_MASK, |
881 | 1 << WM8983_VMIDSEL_SHIFT); | |
882 | msleep(250); | |
883 | /* disable anti-pop features */ | |
e3a68fd8 | 884 | snd_soc_component_update_bits(component, WM8983_OUT4_TO_ADC, |
6b3860b0 DP |
885 | WM8983_POBCTRL_MASK | |
886 | WM8983_DELEN_MASK, 0); | |
887 | } | |
888 | ||
889 | /* VMID at 500k */ | |
e3a68fd8 | 890 | snd_soc_component_update_bits(component, WM8983_POWER_MANAGEMENT_1, |
6b3860b0 DP |
891 | WM8983_VMIDSEL_MASK, |
892 | 2 << WM8983_VMIDSEL_SHIFT); | |
893 | break; | |
894 | case SND_SOC_BIAS_OFF: | |
895 | /* disable thermal shutdown */ | |
e3a68fd8 | 896 | snd_soc_component_update_bits(component, WM8983_OUTPUT_CTRL, |
6b3860b0 DP |
897 | WM8983_TSDEN_MASK, 0); |
898 | /* disable VMIDSEL and BIASEN */ | |
e3a68fd8 | 899 | snd_soc_component_update_bits(component, WM8983_POWER_MANAGEMENT_1, |
6b3860b0 DP |
900 | WM8983_VMIDSEL_MASK | WM8983_BIASEN_MASK, |
901 | 0); | |
902 | /* wait for VMID to discharge */ | |
903 | msleep(100); | |
e3a68fd8 KM |
904 | snd_soc_component_write(component, WM8983_POWER_MANAGEMENT_1, 0); |
905 | snd_soc_component_write(component, WM8983_POWER_MANAGEMENT_2, 0); | |
906 | snd_soc_component_write(component, WM8983_POWER_MANAGEMENT_3, 0); | |
6b3860b0 DP |
907 | break; |
908 | } | |
909 | ||
6b3860b0 DP |
910 | return 0; |
911 | } | |
912 | ||
e3a68fd8 | 913 | static int wm8983_probe(struct snd_soc_component *component) |
6b3860b0 DP |
914 | { |
915 | int ret; | |
6b3860b0 DP |
916 | int i; |
917 | ||
e3a68fd8 | 918 | ret = snd_soc_component_write(component, WM8983_SOFTWARE_RESET, 0); |
6b3860b0 | 919 | if (ret < 0) { |
e3a68fd8 | 920 | dev_err(component->dev, "Failed to issue reset: %d\n", ret); |
6b3860b0 DP |
921 | return ret; |
922 | } | |
923 | ||
924 | /* set the vol/gain update bits */ | |
925 | for (i = 0; i < ARRAY_SIZE(vol_update_regs); ++i) | |
e3a68fd8 | 926 | snd_soc_component_update_bits(component, vol_update_regs[i], |
6b3860b0 DP |
927 | 0x100, 0x100); |
928 | ||
929 | /* mute all outputs and set PGAs to minimum gain */ | |
930 | for (i = WM8983_LOUT1_HP_VOLUME_CTRL; | |
931 | i <= WM8983_OUT4_MONO_MIX_CTRL; ++i) | |
e3a68fd8 | 932 | snd_soc_component_update_bits(component, i, 0x40, 0x40); |
6b3860b0 DP |
933 | |
934 | /* enable soft mute */ | |
e3a68fd8 | 935 | snd_soc_component_update_bits(component, WM8983_DAC_CONTROL, |
6b3860b0 DP |
936 | WM8983_SOFTMUTE_MASK, |
937 | WM8983_SOFTMUTE); | |
938 | ||
939 | /* enable BIASCUT */ | |
e3a68fd8 | 940 | snd_soc_component_update_bits(component, WM8983_BIAS_CTRL, |
6b3860b0 DP |
941 | WM8983_BIASCUT, WM8983_BIASCUT); |
942 | return 0; | |
943 | } | |
944 | ||
85e7652d | 945 | static const struct snd_soc_dai_ops wm8983_dai_ops = { |
6b3860b0 DP |
946 | .digital_mute = wm8983_dac_mute, |
947 | .hw_params = wm8983_hw_params, | |
948 | .set_fmt = wm8983_set_fmt, | |
949 | .set_sysclk = wm8983_set_sysclk, | |
950 | .set_pll = wm8983_set_pll | |
951 | }; | |
952 | ||
953 | #define WM8983_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ | |
954 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) | |
955 | ||
956 | static struct snd_soc_dai_driver wm8983_dai = { | |
957 | .name = "wm8983-hifi", | |
958 | .playback = { | |
959 | .stream_name = "Playback", | |
960 | .channels_min = 2, | |
961 | .channels_max = 2, | |
962 | .rates = SNDRV_PCM_RATE_8000_48000, | |
963 | .formats = WM8983_FORMATS, | |
964 | }, | |
965 | .capture = { | |
966 | .stream_name = "Capture", | |
967 | .channels_min = 2, | |
968 | .channels_max = 2, | |
969 | .rates = SNDRV_PCM_RATE_8000_48000, | |
970 | .formats = WM8983_FORMATS, | |
971 | }, | |
972 | .ops = &wm8983_dai_ops, | |
973 | .symmetric_rates = 1 | |
974 | }; | |
975 | ||
e3a68fd8 KM |
976 | static const struct snd_soc_component_driver soc_component_dev_wm8983 = { |
977 | .probe = wm8983_probe, | |
978 | .set_bias_level = wm8983_set_bias_level, | |
979 | .controls = wm8983_snd_controls, | |
980 | .num_controls = ARRAY_SIZE(wm8983_snd_controls), | |
981 | .dapm_widgets = wm8983_dapm_widgets, | |
982 | .num_dapm_widgets = ARRAY_SIZE(wm8983_dapm_widgets), | |
983 | .dapm_routes = wm8983_audio_map, | |
984 | .num_dapm_routes = ARRAY_SIZE(wm8983_audio_map), | |
985 | .suspend_bias_off = 1, | |
986 | .idle_bias_on = 1, | |
987 | .use_pmdown_time = 1, | |
988 | .endianness = 1, | |
989 | .non_legacy_dai_naming = 1, | |
2ee01ac6 MB |
990 | }; |
991 | ||
992 | static const struct regmap_config wm8983_regmap = { | |
993 | .reg_bits = 7, | |
994 | .val_bits = 9, | |
995 | ||
996 | .reg_defaults = wm8983_defaults, | |
997 | .num_reg_defaults = ARRAY_SIZE(wm8983_defaults), | |
998 | .cache_type = REGCACHE_RBTREE, | |
85e71184 | 999 | .max_register = WM8983_MAX_REGISTER, |
2ee01ac6 | 1000 | |
85e71184 | 1001 | .writeable_reg = wm8983_writeable, |
6b3860b0 DP |
1002 | }; |
1003 | ||
1004 | #if defined(CONFIG_SPI_MASTER) | |
7a79e94e | 1005 | static int wm8983_spi_probe(struct spi_device *spi) |
6b3860b0 DP |
1006 | { |
1007 | struct wm8983_priv *wm8983; | |
1008 | int ret; | |
1009 | ||
d6e2dc15 | 1010 | wm8983 = devm_kzalloc(&spi->dev, sizeof *wm8983, GFP_KERNEL); |
6b3860b0 DP |
1011 | if (!wm8983) |
1012 | return -ENOMEM; | |
1013 | ||
2ee01ac6 MB |
1014 | wm8983->regmap = devm_regmap_init_spi(spi, &wm8983_regmap); |
1015 | if (IS_ERR(wm8983->regmap)) { | |
1016 | ret = PTR_ERR(wm8983->regmap); | |
1017 | dev_err(&spi->dev, "Failed to init regmap: %d\n", ret); | |
1018 | return ret; | |
1019 | } | |
1020 | ||
6b3860b0 DP |
1021 | spi_set_drvdata(spi, wm8983); |
1022 | ||
e3a68fd8 KM |
1023 | ret = devm_snd_soc_register_component(&spi->dev, |
1024 | &soc_component_dev_wm8983, &wm8983_dai, 1); | |
6b3860b0 DP |
1025 | return ret; |
1026 | } | |
1027 | ||
6b3860b0 DP |
1028 | static struct spi_driver wm8983_spi_driver = { |
1029 | .driver = { | |
1030 | .name = "wm8983", | |
6b3860b0 DP |
1031 | }, |
1032 | .probe = wm8983_spi_probe, | |
6b3860b0 DP |
1033 | }; |
1034 | #endif | |
1035 | ||
060ec80a | 1036 | #if IS_ENABLED(CONFIG_I2C) |
7a79e94e BP |
1037 | static int wm8983_i2c_probe(struct i2c_client *i2c, |
1038 | const struct i2c_device_id *id) | |
6b3860b0 DP |
1039 | { |
1040 | struct wm8983_priv *wm8983; | |
1041 | int ret; | |
1042 | ||
d6e2dc15 | 1043 | wm8983 = devm_kzalloc(&i2c->dev, sizeof *wm8983, GFP_KERNEL); |
6b3860b0 DP |
1044 | if (!wm8983) |
1045 | return -ENOMEM; | |
1046 | ||
2ee01ac6 MB |
1047 | wm8983->regmap = devm_regmap_init_i2c(i2c, &wm8983_regmap); |
1048 | if (IS_ERR(wm8983->regmap)) { | |
1049 | ret = PTR_ERR(wm8983->regmap); | |
1050 | dev_err(&i2c->dev, "Failed to init regmap: %d\n", ret); | |
1051 | return ret; | |
1052 | } | |
1053 | ||
6b3860b0 DP |
1054 | i2c_set_clientdata(i2c, wm8983); |
1055 | ||
e3a68fd8 KM |
1056 | ret = devm_snd_soc_register_component(&i2c->dev, |
1057 | &soc_component_dev_wm8983, &wm8983_dai, 1); | |
d6e2dc15 | 1058 | |
6b3860b0 DP |
1059 | return ret; |
1060 | } | |
1061 | ||
6b3860b0 DP |
1062 | static const struct i2c_device_id wm8983_i2c_id[] = { |
1063 | { "wm8983", 0 }, | |
1064 | { } | |
1065 | }; | |
1066 | MODULE_DEVICE_TABLE(i2c, wm8983_i2c_id); | |
1067 | ||
1068 | static struct i2c_driver wm8983_i2c_driver = { | |
1069 | .driver = { | |
1070 | .name = "wm8983", | |
6b3860b0 DP |
1071 | }, |
1072 | .probe = wm8983_i2c_probe, | |
6b3860b0 DP |
1073 | .id_table = wm8983_i2c_id |
1074 | }; | |
1075 | #endif | |
1076 | ||
1077 | static int __init wm8983_modinit(void) | |
1078 | { | |
1079 | int ret = 0; | |
1080 | ||
060ec80a | 1081 | #if IS_ENABLED(CONFIG_I2C) |
6b3860b0 DP |
1082 | ret = i2c_add_driver(&wm8983_i2c_driver); |
1083 | if (ret) { | |
1084 | printk(KERN_ERR "Failed to register wm8983 I2C driver: %d\n", | |
1085 | ret); | |
1086 | } | |
1087 | #endif | |
1088 | #if defined(CONFIG_SPI_MASTER) | |
1089 | ret = spi_register_driver(&wm8983_spi_driver); | |
1090 | if (ret != 0) { | |
1091 | printk(KERN_ERR "Failed to register wm8983 SPI driver: %d\n", | |
1092 | ret); | |
1093 | } | |
1094 | #endif | |
1095 | return ret; | |
1096 | } | |
1097 | module_init(wm8983_modinit); | |
1098 | ||
1099 | static void __exit wm8983_exit(void) | |
1100 | { | |
060ec80a | 1101 | #if IS_ENABLED(CONFIG_I2C) |
6b3860b0 DP |
1102 | i2c_del_driver(&wm8983_i2c_driver); |
1103 | #endif | |
1104 | #if defined(CONFIG_SPI_MASTER) | |
1105 | spi_unregister_driver(&wm8983_spi_driver); | |
1106 | #endif | |
1107 | } | |
1108 | module_exit(wm8983_exit); | |
1109 | ||
1110 | MODULE_DESCRIPTION("ASoC WM8983 driver"); | |
1111 | MODULE_AUTHOR("Dimitris Papastamos <dp@opensource.wolfsonmicro.com>"); | |
1112 | MODULE_LICENSE("GPL"); |