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Commit | Line | Data |
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9b34e6cc ZZ |
1 | /* |
2 | * sgtl5000.c -- SGTL5000 ALSA SoC Audio driver | |
3 | * | |
4 | * Copyright 2010-2011 Freescale Semiconductor, Inc. All Rights Reserved. | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 as | |
8 | * published by the Free Software Foundation. | |
9 | */ | |
10 | ||
11 | #include <linux/module.h> | |
12 | #include <linux/moduleparam.h> | |
13 | #include <linux/init.h> | |
14 | #include <linux/delay.h> | |
15 | #include <linux/slab.h> | |
16 | #include <linux/pm.h> | |
17 | #include <linux/i2c.h> | |
18 | #include <linux/clk.h> | |
bd0593f5 | 19 | #include <linux/log2.h> |
e5d80e82 | 20 | #include <linux/regmap.h> |
9b34e6cc ZZ |
21 | #include <linux/regulator/driver.h> |
22 | #include <linux/regulator/machine.h> | |
23 | #include <linux/regulator/consumer.h> | |
58e49424 | 24 | #include <linux/of_device.h> |
9b34e6cc ZZ |
25 | #include <sound/core.h> |
26 | #include <sound/tlv.h> | |
27 | #include <sound/pcm.h> | |
28 | #include <sound/pcm_params.h> | |
29 | #include <sound/soc.h> | |
30 | #include <sound/soc-dapm.h> | |
31 | #include <sound/initval.h> | |
9b34e6cc ZZ |
32 | |
33 | #include "sgtl5000.h" | |
34 | ||
35 | #define SGTL5000_DAP_REG_OFFSET 0x0100 | |
36 | #define SGTL5000_MAX_REG_OFFSET 0x013A | |
37 | ||
3a478877 OS |
38 | /* Delay for the VAG ramp up */ |
39 | #define SGTL5000_VAG_POWERUP_DELAY 500 /* ms */ | |
40 | /* Delay for the VAG ramp down */ | |
41 | #define SGTL5000_VAG_POWERDOWN_DELAY 500 /* ms */ | |
42 | ||
43 | #define SGTL5000_OUTPUTS_MUTE (SGTL5000_HP_MUTE | SGTL5000_LINE_OUT_MUTE) | |
44 | ||
151798f8 | 45 | /* default value of sgtl5000 registers */ |
e5d80e82 | 46 | static const struct reg_default sgtl5000_reg_defaults[] = { |
29aa37cd | 47 | { SGTL5000_CHIP_DIG_POWER, 0x0000 }, |
e5d80e82 | 48 | { SGTL5000_CHIP_I2S_CTRL, 0x0010 }, |
016fcab8 | 49 | { SGTL5000_CHIP_SSS_CTRL, 0x0010 }, |
29aa37cd | 50 | { SGTL5000_CHIP_ADCDAC_CTRL, 0x020c }, |
e5d80e82 FE |
51 | { SGTL5000_CHIP_DAC_VOL, 0x3c3c }, |
52 | { SGTL5000_CHIP_PAD_STRENGTH, 0x015f }, | |
29aa37cd | 53 | { SGTL5000_CHIP_ANA_ADC_CTRL, 0x0000 }, |
e5d80e82 FE |
54 | { SGTL5000_CHIP_ANA_HP_CTRL, 0x1818 }, |
55 | { SGTL5000_CHIP_ANA_CTRL, 0x0111 }, | |
29aa37cd FE |
56 | { SGTL5000_CHIP_REF_CTRL, 0x0000 }, |
57 | { SGTL5000_CHIP_MIC_CTRL, 0x0000 }, | |
58 | { SGTL5000_CHIP_LINE_OUT_CTRL, 0x0000 }, | |
e5d80e82 | 59 | { SGTL5000_CHIP_LINE_OUT_VOL, 0x0404 }, |
e5d80e82 | 60 | { SGTL5000_CHIP_PLL_CTRL, 0x5000 }, |
29aa37cd FE |
61 | { SGTL5000_CHIP_CLK_TOP_CTRL, 0x0000 }, |
62 | { SGTL5000_CHIP_ANA_STATUS, 0x0000 }, | |
63 | { SGTL5000_CHIP_SHORT_CTRL, 0x0000 }, | |
64 | { SGTL5000_CHIP_ANA_TEST2, 0x0000 }, | |
65 | { SGTL5000_DAP_CTRL, 0x0000 }, | |
66 | { SGTL5000_DAP_PEQ, 0x0000 }, | |
e5d80e82 FE |
67 | { SGTL5000_DAP_BASS_ENHANCE, 0x0040 }, |
68 | { SGTL5000_DAP_BASS_ENHANCE_CTRL, 0x051f }, | |
29aa37cd | 69 | { SGTL5000_DAP_AUDIO_EQ, 0x0000 }, |
e5d80e82 FE |
70 | { SGTL5000_DAP_SURROUND, 0x0040 }, |
71 | { SGTL5000_DAP_EQ_BASS_BAND0, 0x002f }, | |
72 | { SGTL5000_DAP_EQ_BASS_BAND1, 0x002f }, | |
73 | { SGTL5000_DAP_EQ_BASS_BAND2, 0x002f }, | |
74 | { SGTL5000_DAP_EQ_BASS_BAND3, 0x002f }, | |
75 | { SGTL5000_DAP_EQ_BASS_BAND4, 0x002f }, | |
76 | { SGTL5000_DAP_MAIN_CHAN, 0x8000 }, | |
29aa37cd | 77 | { SGTL5000_DAP_MIX_CHAN, 0x0000 }, |
e5d80e82 FE |
78 | { SGTL5000_DAP_AVC_CTRL, 0x0510 }, |
79 | { SGTL5000_DAP_AVC_THRESHOLD, 0x1473 }, | |
80 | { SGTL5000_DAP_AVC_ATTACK, 0x0028 }, | |
81 | { SGTL5000_DAP_AVC_DECAY, 0x0050 }, | |
9b34e6cc ZZ |
82 | }; |
83 | ||
a7295267 RL |
84 | /* AVC: Threshold dB -> register: pre-calculated values */ |
85 | static const u16 avc_thr_db2reg[97] = { | |
86 | 0x5168, 0x488E, 0x40AA, 0x39A1, 0x335D, 0x2DC7, 0x28CC, 0x245D, 0x2068, | |
87 | 0x1CE2, 0x19BE, 0x16F1, 0x1472, 0x1239, 0x103E, 0x0E7A, 0x0CE6, 0x0B7F, | |
88 | 0x0A3F, 0x0922, 0x0824, 0x0741, 0x0677, 0x05C3, 0x0522, 0x0493, 0x0414, | |
89 | 0x03A2, 0x033D, 0x02E3, 0x0293, 0x024B, 0x020B, 0x01D2, 0x019F, 0x0172, | |
90 | 0x014A, 0x0126, 0x0106, 0x00E9, 0x00D0, 0x00B9, 0x00A5, 0x0093, 0x0083, | |
91 | 0x0075, 0x0068, 0x005D, 0x0052, 0x0049, 0x0041, 0x003A, 0x0034, 0x002E, | |
92 | 0x0029, 0x0025, 0x0021, 0x001D, 0x001A, 0x0017, 0x0014, 0x0012, 0x0010, | |
93 | 0x000E, 0x000D, 0x000B, 0x000A, 0x0009, 0x0008, 0x0007, 0x0006, 0x0005, | |
94 | 0x0005, 0x0004, 0x0004, 0x0003, 0x0003, 0x0002, 0x0002, 0x0002, 0x0002, | |
95 | 0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0000, 0x0000, 0x0000, | |
96 | 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000}; | |
97 | ||
9b34e6cc ZZ |
98 | /* regulator supplies for sgtl5000, VDDD is an optional external supply */ |
99 | enum sgtl5000_regulator_supplies { | |
100 | VDDA, | |
101 | VDDIO, | |
102 | VDDD, | |
103 | SGTL5000_SUPPLY_NUM | |
104 | }; | |
105 | ||
106 | /* vddd is optional supply */ | |
107 | static const char *supply_names[SGTL5000_SUPPLY_NUM] = { | |
108 | "VDDA", | |
109 | "VDDIO", | |
110 | "VDDD" | |
111 | }; | |
112 | ||
9b34e6cc | 113 | #define LDO_VOLTAGE 1200000 |
3d632cc8 | 114 | #define LINREG_VDDD ((1600 - LDO_VOLTAGE / 1000) / 50) |
9b34e6cc | 115 | |
bd0593f5 JMH |
116 | enum sgtl5000_micbias_resistor { |
117 | SGTL5000_MICBIAS_OFF = 0, | |
118 | SGTL5000_MICBIAS_2K = 2, | |
119 | SGTL5000_MICBIAS_4K = 4, | |
120 | SGTL5000_MICBIAS_8K = 8, | |
121 | }; | |
122 | ||
570c70a6 FE |
123 | enum { |
124 | I2S_LRCLK_STRENGTH_DISABLE, | |
125 | I2S_LRCLK_STRENGTH_LOW, | |
126 | I2S_LRCLK_STRENGTH_MEDIUM, | |
127 | I2S_LRCLK_STRENGTH_HIGH, | |
128 | }; | |
129 | ||
3a478877 OS |
130 | enum { |
131 | HP_POWER_EVENT, | |
132 | DAC_POWER_EVENT, | |
133 | ADC_POWER_EVENT, | |
134 | LAST_POWER_EVENT = ADC_POWER_EVENT | |
135 | }; | |
136 | ||
9b34e6cc ZZ |
137 | /* sgtl5000 private structure in codec */ |
138 | struct sgtl5000_priv { | |
139 | int sysclk; /* sysclk rate */ | |
140 | int master; /* i2s master or not */ | |
141 | int fmt; /* i2s data format */ | |
142 | struct regulator_bulk_data supplies[SGTL5000_SUPPLY_NUM]; | |
940adb28 | 143 | int num_supplies; |
e5d80e82 | 144 | struct regmap *regmap; |
9e13f345 | 145 | struct clk *mclk; |
252e91ff | 146 | int revision; |
bd0593f5 | 147 | u8 micbias_resistor; |
87357797 | 148 | u8 micbias_voltage; |
570c70a6 | 149 | u8 lrclk_strength; |
3a478877 | 150 | u16 mute_state[LAST_POWER_EVENT + 1]; |
9b34e6cc ZZ |
151 | }; |
152 | ||
3a478877 OS |
153 | static inline int hp_sel_input(struct snd_soc_component *component) |
154 | { | |
155 | unsigned int ana_reg = 0; | |
156 | ||
157 | snd_soc_component_read(component, SGTL5000_CHIP_ANA_CTRL, &ana_reg); | |
158 | ||
159 | return (ana_reg & SGTL5000_HP_SEL_MASK) >> SGTL5000_HP_SEL_SHIFT; | |
160 | } | |
161 | ||
162 | static inline u16 mute_output(struct snd_soc_component *component, | |
163 | u16 mute_mask) | |
164 | { | |
165 | unsigned int mute_reg = 0; | |
166 | ||
167 | snd_soc_component_read(component, SGTL5000_CHIP_ANA_CTRL, &mute_reg); | |
168 | ||
169 | snd_soc_component_update_bits(component, SGTL5000_CHIP_ANA_CTRL, | |
170 | mute_mask, mute_mask); | |
171 | return mute_reg; | |
172 | } | |
173 | ||
174 | static inline void restore_output(struct snd_soc_component *component, | |
175 | u16 mute_mask, u16 mute_reg) | |
176 | { | |
177 | snd_soc_component_update_bits(component, SGTL5000_CHIP_ANA_CTRL, | |
178 | mute_mask, mute_reg); | |
179 | } | |
180 | ||
181 | static void vag_power_on(struct snd_soc_component *component, u32 source) | |
182 | { | |
183 | unsigned int ana_reg = 0; | |
184 | ||
185 | snd_soc_component_read(component, SGTL5000_CHIP_ANA_POWER, &ana_reg); | |
186 | ||
187 | if (ana_reg & SGTL5000_VAG_POWERUP) | |
188 | return; | |
189 | ||
190 | snd_soc_component_update_bits(component, SGTL5000_CHIP_ANA_POWER, | |
191 | SGTL5000_VAG_POWERUP, SGTL5000_VAG_POWERUP); | |
192 | ||
193 | /* When VAG powering on to get local loop from Line-In, the sleep | |
194 | * is required to avoid loud pop. | |
195 | */ | |
196 | if (hp_sel_input(component) == SGTL5000_HP_SEL_LINE_IN && | |
197 | source == HP_POWER_EVENT) | |
198 | msleep(SGTL5000_VAG_POWERUP_DELAY); | |
199 | } | |
200 | ||
201 | static int vag_power_consumers(struct snd_soc_component *component, | |
202 | u16 ana_pwr_reg, u32 source) | |
203 | { | |
204 | int consumers = 0; | |
205 | ||
206 | /* count dac/adc consumers unconditional */ | |
207 | if (ana_pwr_reg & SGTL5000_DAC_POWERUP) | |
208 | consumers++; | |
209 | if (ana_pwr_reg & SGTL5000_ADC_POWERUP) | |
210 | consumers++; | |
211 | ||
212 | /* | |
213 | * If the event comes from HP and Line-In is selected, | |
214 | * current action is 'DAC to be powered down'. | |
215 | * As HP_POWERUP is not set when HP muxed to line-in, | |
216 | * we need to keep VAG power ON. | |
217 | */ | |
218 | if (source == HP_POWER_EVENT) { | |
219 | if (hp_sel_input(component) == SGTL5000_HP_SEL_LINE_IN) | |
220 | consumers++; | |
221 | } else { | |
222 | if (ana_pwr_reg & SGTL5000_HP_POWERUP) | |
223 | consumers++; | |
224 | } | |
225 | ||
226 | return consumers; | |
227 | } | |
228 | ||
229 | static void vag_power_off(struct snd_soc_component *component, u32 source) | |
230 | { | |
231 | unsigned int ana_pwr = SGTL5000_VAG_POWERUP; | |
232 | ||
233 | snd_soc_component_read(component, SGTL5000_CHIP_ANA_POWER, &ana_pwr); | |
234 | ||
235 | if (!(ana_pwr & SGTL5000_VAG_POWERUP)) | |
236 | return; | |
237 | ||
238 | /* | |
239 | * This function calls when any of VAG power consumers is disappearing. | |
240 | * Thus, if there is more than one consumer at the moment, as minimum | |
241 | * one consumer will definitely stay after the end of the current | |
242 | * event. | |
243 | * Don't clear VAG_POWERUP if 2 or more consumers of VAG present: | |
244 | * - LINE_IN (for HP events) / HP (for DAC/ADC events) | |
245 | * - DAC | |
246 | * - ADC | |
247 | * (the current consumer is disappearing right now) | |
248 | */ | |
249 | if (vag_power_consumers(component, ana_pwr, source) >= 2) | |
250 | return; | |
251 | ||
252 | snd_soc_component_update_bits(component, SGTL5000_CHIP_ANA_POWER, | |
253 | SGTL5000_VAG_POWERUP, 0); | |
254 | /* In power down case, we need wait 400-1000 ms | |
255 | * when VAG fully ramped down. | |
256 | * As longer we wait, as smaller pop we've got. | |
257 | */ | |
258 | msleep(SGTL5000_VAG_POWERDOWN_DELAY); | |
259 | } | |
260 | ||
9b34e6cc ZZ |
261 | /* |
262 | * mic_bias power on/off share the same register bits with | |
263 | * output impedance of mic bias, when power on mic bias, we | |
264 | * need reclaim it to impedance value. | |
265 | * 0x0 = Powered off | |
266 | * 0x1 = 2Kohm | |
267 | * 0x2 = 4Kohm | |
268 | * 0x3 = 8Kohm | |
269 | */ | |
270 | static int mic_bias_event(struct snd_soc_dapm_widget *w, | |
271 | struct snd_kcontrol *kcontrol, int event) | |
272 | { | |
73bffd17 LPC |
273 | struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); |
274 | struct sgtl5000_priv *sgtl5000 = snd_soc_codec_get_drvdata(codec); | |
bd0593f5 | 275 | |
9b34e6cc ZZ |
276 | switch (event) { |
277 | case SND_SOC_DAPM_POST_PMU: | |
bd0593f5 | 278 | /* change mic bias resistor */ |
73bffd17 | 279 | snd_soc_update_bits(codec, SGTL5000_CHIP_MIC_CTRL, |
bd0593f5 JMH |
280 | SGTL5000_BIAS_R_MASK, |
281 | sgtl5000->micbias_resistor << SGTL5000_BIAS_R_SHIFT); | |
9b34e6cc ZZ |
282 | break; |
283 | ||
284 | case SND_SOC_DAPM_PRE_PMD: | |
73bffd17 | 285 | snd_soc_update_bits(codec, SGTL5000_CHIP_MIC_CTRL, |
dc56c5a8 | 286 | SGTL5000_BIAS_R_MASK, 0); |
9b34e6cc ZZ |
287 | break; |
288 | } | |
289 | return 0; | |
290 | } | |
291 | ||
3a478877 OS |
292 | static int vag_and_mute_control(struct snd_soc_component *component, |
293 | int event, int event_source) | |
9b34e6cc | 294 | { |
3a478877 OS |
295 | static const u16 mute_mask[] = { |
296 | /* | |
297 | * Mask for HP_POWER_EVENT. | |
298 | * Muxing Headphones have to be wrapped with mute/unmute | |
299 | * headphones only. | |
300 | */ | |
301 | SGTL5000_HP_MUTE, | |
302 | /* | |
303 | * Masks for DAC_POWER_EVENT/ADC_POWER_EVENT. | |
304 | * Muxing DAC or ADC block have to be wrapped with mute/unmute | |
305 | * both headphones and line-out. | |
306 | */ | |
307 | SGTL5000_OUTPUTS_MUTE, | |
308 | SGTL5000_OUTPUTS_MUTE | |
309 | }; | |
310 | ||
311 | struct sgtl5000_priv *sgtl5000 = | |
312 | snd_soc_component_get_drvdata(component); | |
f091f3f0 | 313 | |
9b34e6cc | 314 | switch (event) { |
3a478877 OS |
315 | case SND_SOC_DAPM_PRE_PMU: |
316 | sgtl5000->mute_state[event_source] = | |
317 | mute_output(component, mute_mask[event_source]); | |
318 | break; | |
dd4d2d6d | 319 | case SND_SOC_DAPM_POST_PMU: |
3a478877 OS |
320 | vag_power_on(component, event_source); |
321 | restore_output(component, mute_mask[event_source], | |
322 | sgtl5000->mute_state[event_source]); | |
9b34e6cc | 323 | break; |
dd4d2d6d | 324 | case SND_SOC_DAPM_PRE_PMD: |
3a478877 OS |
325 | sgtl5000->mute_state[event_source] = |
326 | mute_output(component, mute_mask[event_source]); | |
327 | vag_power_off(component, event_source); | |
328 | break; | |
329 | case SND_SOC_DAPM_POST_PMD: | |
330 | restore_output(component, mute_mask[event_source], | |
331 | sgtl5000->mute_state[event_source]); | |
9b34e6cc ZZ |
332 | break; |
333 | default: | |
334 | break; | |
335 | } | |
336 | ||
337 | return 0; | |
338 | } | |
339 | ||
3a478877 OS |
340 | /* |
341 | * Mute Headphone when power it up/down. | |
342 | * Control VAG power on HP power path. | |
343 | */ | |
344 | static int headphone_pga_event(struct snd_soc_dapm_widget *w, | |
345 | struct snd_kcontrol *kcontrol, int event) | |
346 | { | |
347 | struct snd_soc_component *component = | |
348 | snd_soc_dapm_to_component(w->dapm); | |
349 | ||
350 | return vag_and_mute_control(component, event, HP_POWER_EVENT); | |
351 | } | |
352 | ||
353 | /* As manual describes, ADC/DAC powering up/down requires | |
354 | * to mute outputs to avoid pops. | |
355 | * Control VAG power on ADC/DAC power path. | |
356 | */ | |
357 | static int adc_updown_depop(struct snd_soc_dapm_widget *w, | |
358 | struct snd_kcontrol *kcontrol, int event) | |
359 | { | |
360 | struct snd_soc_component *component = | |
361 | snd_soc_dapm_to_component(w->dapm); | |
362 | ||
363 | return vag_and_mute_control(component, event, ADC_POWER_EVENT); | |
364 | } | |
365 | ||
366 | static int dac_updown_depop(struct snd_soc_dapm_widget *w, | |
367 | struct snd_kcontrol *kcontrol, int event) | |
368 | { | |
369 | struct snd_soc_component *component = | |
370 | snd_soc_dapm_to_component(w->dapm); | |
371 | ||
372 | return vag_and_mute_control(component, event, DAC_POWER_EVENT); | |
373 | } | |
374 | ||
9b34e6cc ZZ |
375 | /* input sources for ADC */ |
376 | static const char *adc_mux_text[] = { | |
377 | "MIC_IN", "LINE_IN" | |
378 | }; | |
379 | ||
c8ed6504 TI |
380 | static SOC_ENUM_SINGLE_DECL(adc_enum, |
381 | SGTL5000_CHIP_ANA_CTRL, 2, | |
382 | adc_mux_text); | |
9b34e6cc ZZ |
383 | |
384 | static const struct snd_kcontrol_new adc_mux = | |
385 | SOC_DAPM_ENUM("Capture Mux", adc_enum); | |
386 | ||
387 | /* input sources for DAC */ | |
388 | static const char *dac_mux_text[] = { | |
389 | "DAC", "LINE_IN" | |
390 | }; | |
391 | ||
c8ed6504 TI |
392 | static SOC_ENUM_SINGLE_DECL(dac_enum, |
393 | SGTL5000_CHIP_ANA_CTRL, 6, | |
394 | dac_mux_text); | |
9b34e6cc ZZ |
395 | |
396 | static const struct snd_kcontrol_new dac_mux = | |
397 | SOC_DAPM_ENUM("Headphone Mux", dac_enum); | |
398 | ||
399 | static const struct snd_soc_dapm_widget sgtl5000_dapm_widgets[] = { | |
400 | SND_SOC_DAPM_INPUT("LINE_IN"), | |
401 | SND_SOC_DAPM_INPUT("MIC_IN"), | |
402 | ||
403 | SND_SOC_DAPM_OUTPUT("HP_OUT"), | |
404 | SND_SOC_DAPM_OUTPUT("LINE_OUT"), | |
405 | ||
8fc8ec92 MB |
406 | SND_SOC_DAPM_SUPPLY("Mic Bias", SGTL5000_CHIP_MIC_CTRL, 8, 0, |
407 | mic_bias_event, | |
408 | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), | |
9b34e6cc | 409 | |
3a478877 OS |
410 | SND_SOC_DAPM_PGA_E("HP", SGTL5000_CHIP_ANA_POWER, 4, 0, NULL, 0, |
411 | headphone_pga_event, | |
412 | SND_SOC_DAPM_PRE_POST_PMU | | |
413 | SND_SOC_DAPM_PRE_POST_PMD), | |
f0cdcf3a | 414 | SND_SOC_DAPM_PGA("LO", SGTL5000_CHIP_ANA_POWER, 0, 0, NULL, 0), |
9b34e6cc ZZ |
415 | |
416 | SND_SOC_DAPM_MUX("Capture Mux", SND_SOC_NOPM, 0, 0, &adc_mux), | |
417 | SND_SOC_DAPM_MUX("Headphone Mux", SND_SOC_NOPM, 0, 0, &dac_mux), | |
418 | ||
419 | /* aif for i2s input */ | |
420 | SND_SOC_DAPM_AIF_IN("AIFIN", "Playback", | |
421 | 0, SGTL5000_CHIP_DIG_POWER, | |
422 | 0, 0), | |
423 | ||
424 | /* aif for i2s output */ | |
425 | SND_SOC_DAPM_AIF_OUT("AIFOUT", "Capture", | |
426 | 0, SGTL5000_CHIP_DIG_POWER, | |
427 | 1, 0), | |
428 | ||
3a478877 OS |
429 | SND_SOC_DAPM_ADC_E("ADC", "Capture", SGTL5000_CHIP_ANA_POWER, 1, 0, |
430 | adc_updown_depop, SND_SOC_DAPM_PRE_POST_PMU | | |
431 | SND_SOC_DAPM_PRE_POST_PMD), | |
432 | SND_SOC_DAPM_DAC_E("DAC", "Playback", SGTL5000_CHIP_ANA_POWER, 3, 0, | |
433 | dac_updown_depop, SND_SOC_DAPM_PRE_POST_PMU | | |
434 | SND_SOC_DAPM_PRE_POST_PMD), | |
9b34e6cc ZZ |
435 | }; |
436 | ||
437 | /* routes for sgtl5000 */ | |
89989637 | 438 | static const struct snd_soc_dapm_route sgtl5000_dapm_routes[] = { |
9b34e6cc ZZ |
439 | {"Capture Mux", "LINE_IN", "LINE_IN"}, /* line_in --> adc_mux */ |
440 | {"Capture Mux", "MIC_IN", "MIC_IN"}, /* mic_in --> adc_mux */ | |
441 | ||
442 | {"ADC", NULL, "Capture Mux"}, /* adc_mux --> adc */ | |
443 | {"AIFOUT", NULL, "ADC"}, /* adc --> i2s_out */ | |
444 | ||
445 | {"DAC", NULL, "AIFIN"}, /* i2s-->dac,skip audio mux */ | |
446 | {"Headphone Mux", "DAC", "DAC"}, /* dac --> hp_mux */ | |
447 | {"LO", NULL, "DAC"}, /* dac --> line_out */ | |
448 | ||
449 | {"Headphone Mux", "LINE_IN", "LINE_IN"},/* line_in --> hp_mux */ | |
450 | {"HP", NULL, "Headphone Mux"}, /* hp_mux --> hp */ | |
451 | ||
452 | {"LINE_OUT", NULL, "LO"}, | |
453 | {"HP_OUT", NULL, "HP"}, | |
454 | }; | |
455 | ||
456 | /* custom function to fetch info of PCM playback volume */ | |
457 | static int dac_info_volsw(struct snd_kcontrol *kcontrol, | |
458 | struct snd_ctl_elem_info *uinfo) | |
459 | { | |
460 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
461 | uinfo->count = 2; | |
462 | uinfo->value.integer.min = 0; | |
463 | uinfo->value.integer.max = 0xfc - 0x3c; | |
464 | return 0; | |
465 | } | |
466 | ||
467 | /* | |
468 | * custom function to get of PCM playback volume | |
469 | * | |
470 | * dac volume register | |
471 | * 15-------------8-7--------------0 | |
472 | * | R channel vol | L channel vol | | |
473 | * ------------------------------- | |
474 | * | |
475 | * PCM volume with 0.5017 dB steps from 0 to -90 dB | |
476 | * | |
477 | * register values map to dB | |
478 | * 0x3B and less = Reserved | |
479 | * 0x3C = 0 dB | |
480 | * 0x3D = -0.5 dB | |
481 | * 0xF0 = -90 dB | |
482 | * 0xFC and greater = Muted | |
483 | * | |
484 | * register value map to userspace value | |
485 | * | |
486 | * register value 0x3c(0dB) 0xf0(-90dB)0xfc | |
487 | * ------------------------------ | |
488 | * userspace value 0xc0 0 | |
489 | */ | |
490 | static int dac_get_volsw(struct snd_kcontrol *kcontrol, | |
491 | struct snd_ctl_elem_value *ucontrol) | |
492 | { | |
ea53bf77 | 493 | struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); |
9b34e6cc ZZ |
494 | int reg; |
495 | int l; | |
496 | int r; | |
497 | ||
498 | reg = snd_soc_read(codec, SGTL5000_CHIP_DAC_VOL); | |
499 | ||
500 | /* get left channel volume */ | |
501 | l = (reg & SGTL5000_DAC_VOL_LEFT_MASK) >> SGTL5000_DAC_VOL_LEFT_SHIFT; | |
502 | ||
503 | /* get right channel volume */ | |
504 | r = (reg & SGTL5000_DAC_VOL_RIGHT_MASK) >> SGTL5000_DAC_VOL_RIGHT_SHIFT; | |
505 | ||
506 | /* make sure value fall in (0x3c,0xfc) */ | |
507 | l = clamp(l, 0x3c, 0xfc); | |
508 | r = clamp(r, 0x3c, 0xfc); | |
509 | ||
510 | /* invert it and map to userspace value */ | |
511 | l = 0xfc - l; | |
512 | r = 0xfc - r; | |
513 | ||
514 | ucontrol->value.integer.value[0] = l; | |
515 | ucontrol->value.integer.value[1] = r; | |
516 | ||
517 | return 0; | |
518 | } | |
519 | ||
520 | /* | |
521 | * custom function to put of PCM playback volume | |
522 | * | |
523 | * dac volume register | |
524 | * 15-------------8-7--------------0 | |
525 | * | R channel vol | L channel vol | | |
526 | * ------------------------------- | |
527 | * | |
528 | * PCM volume with 0.5017 dB steps from 0 to -90 dB | |
529 | * | |
530 | * register values map to dB | |
531 | * 0x3B and less = Reserved | |
532 | * 0x3C = 0 dB | |
533 | * 0x3D = -0.5 dB | |
534 | * 0xF0 = -90 dB | |
535 | * 0xFC and greater = Muted | |
536 | * | |
537 | * userspace value map to register value | |
538 | * | |
539 | * userspace value 0xc0 0 | |
540 | * ------------------------------ | |
541 | * register value 0x3c(0dB) 0xf0(-90dB)0xfc | |
542 | */ | |
543 | static int dac_put_volsw(struct snd_kcontrol *kcontrol, | |
544 | struct snd_ctl_elem_value *ucontrol) | |
545 | { | |
ea53bf77 | 546 | struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); |
9b34e6cc ZZ |
547 | int reg; |
548 | int l; | |
549 | int r; | |
550 | ||
551 | l = ucontrol->value.integer.value[0]; | |
552 | r = ucontrol->value.integer.value[1]; | |
553 | ||
554 | /* make sure userspace volume fall in (0, 0xfc-0x3c) */ | |
555 | l = clamp(l, 0, 0xfc - 0x3c); | |
556 | r = clamp(r, 0, 0xfc - 0x3c); | |
557 | ||
558 | /* invert it, get the value can be set to register */ | |
559 | l = 0xfc - l; | |
560 | r = 0xfc - r; | |
561 | ||
562 | /* shift to get the register value */ | |
563 | reg = l << SGTL5000_DAC_VOL_LEFT_SHIFT | | |
564 | r << SGTL5000_DAC_VOL_RIGHT_SHIFT; | |
565 | ||
566 | snd_soc_write(codec, SGTL5000_CHIP_DAC_VOL, reg); | |
567 | ||
568 | return 0; | |
569 | } | |
570 | ||
a7295267 RL |
571 | /* |
572 | * custom function to get AVC threshold | |
573 | * | |
574 | * The threshold dB is calculated by rearranging the calculation from the | |
575 | * avc_put_threshold function: register_value = 10^(dB/20) * 0.636 * 2^15 ==> | |
576 | * dB = ( fls(register_value) - 14.347 ) * 6.02 | |
577 | * | |
578 | * As this calculation is expensive and the threshold dB values may not exeed | |
579 | * 0 to 96 we use pre-calculated values. | |
580 | */ | |
581 | static int avc_get_threshold(struct snd_kcontrol *kcontrol, | |
582 | struct snd_ctl_elem_value *ucontrol) | |
583 | { | |
364e93ca | 584 | struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); |
a7295267 RL |
585 | int db, i; |
586 | u16 reg = snd_soc_read(codec, SGTL5000_DAP_AVC_THRESHOLD); | |
587 | ||
588 | /* register value 0 => -96dB */ | |
589 | if (!reg) { | |
590 | ucontrol->value.integer.value[0] = 96; | |
591 | ucontrol->value.integer.value[1] = 96; | |
592 | return 0; | |
593 | } | |
594 | ||
595 | /* get dB from register value (rounded down) */ | |
596 | for (i = 0; avc_thr_db2reg[i] > reg; i++) | |
597 | ; | |
598 | db = i; | |
599 | ||
600 | ucontrol->value.integer.value[0] = db; | |
601 | ucontrol->value.integer.value[1] = db; | |
602 | ||
603 | return 0; | |
604 | } | |
605 | ||
606 | /* | |
607 | * custom function to put AVC threshold | |
608 | * | |
609 | * The register value is calculated by following formula: | |
610 | * register_value = 10^(dB/20) * 0.636 * 2^15 | |
611 | * As this calculation is expensive and the threshold dB values may not exeed | |
612 | * 0 to 96 we use pre-calculated values. | |
613 | */ | |
614 | static int avc_put_threshold(struct snd_kcontrol *kcontrol, | |
615 | struct snd_ctl_elem_value *ucontrol) | |
616 | { | |
364e93ca | 617 | struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); |
a7295267 RL |
618 | int db; |
619 | u16 reg; | |
620 | ||
621 | db = (int)ucontrol->value.integer.value[0]; | |
622 | if (db < 0 || db > 96) | |
623 | return -EINVAL; | |
624 | reg = avc_thr_db2reg[db]; | |
625 | snd_soc_write(codec, SGTL5000_DAP_AVC_THRESHOLD, reg); | |
626 | ||
627 | return 0; | |
628 | } | |
629 | ||
9b34e6cc ZZ |
630 | static const DECLARE_TLV_DB_SCALE(capture_6db_attenuate, -600, 600, 0); |
631 | ||
632 | /* tlv for mic gain, 0db 20db 30db 40db */ | |
53eb1ca3 | 633 | static const DECLARE_TLV_DB_RANGE(mic_gain_tlv, |
9b34e6cc | 634 | 0, 0, TLV_DB_SCALE_ITEM(0, 0, 0), |
53eb1ca3 LPC |
635 | 1, 3, TLV_DB_SCALE_ITEM(2000, 1000, 0) |
636 | ); | |
9b34e6cc ZZ |
637 | |
638 | /* tlv for hp volume, -51.5db to 12.0db, step .5db */ | |
639 | static const DECLARE_TLV_DB_SCALE(headphone_volume, -5150, 50, 0); | |
640 | ||
0593d461 KK |
641 | /* tlv for lineout volume, 31 steps of .5db each */ |
642 | static const DECLARE_TLV_DB_SCALE(lineout_volume, -1550, 50, 0); | |
643 | ||
a7295267 RL |
644 | /* tlv for dap avc max gain, 0db, 6db, 12db */ |
645 | static const DECLARE_TLV_DB_SCALE(avc_max_gain, 0, 600, 0); | |
646 | ||
647 | /* tlv for dap avc threshold, */ | |
648 | static const DECLARE_TLV_DB_MINMAX(avc_threshold, 0, 9600); | |
649 | ||
9b34e6cc ZZ |
650 | static const struct snd_kcontrol_new sgtl5000_snd_controls[] = { |
651 | /* SOC_DOUBLE_S8_TLV with invert */ | |
652 | { | |
653 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
654 | .name = "PCM Playback Volume", | |
655 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | | |
656 | SNDRV_CTL_ELEM_ACCESS_READWRITE, | |
657 | .info = dac_info_volsw, | |
658 | .get = dac_get_volsw, | |
659 | .put = dac_put_volsw, | |
660 | }, | |
661 | ||
662 | SOC_DOUBLE("Capture Volume", SGTL5000_CHIP_ANA_ADC_CTRL, 0, 4, 0xf, 0), | |
663 | SOC_SINGLE_TLV("Capture Attenuate Switch (-6dB)", | |
664 | SGTL5000_CHIP_ANA_ADC_CTRL, | |
65f2b226 | 665 | 8, 1, 0, capture_6db_attenuate), |
9b34e6cc ZZ |
666 | SOC_SINGLE("Capture ZC Switch", SGTL5000_CHIP_ANA_CTRL, 1, 1, 0), |
667 | ||
668 | SOC_DOUBLE_TLV("Headphone Playback Volume", | |
669 | SGTL5000_CHIP_ANA_HP_CTRL, | |
670 | 0, 8, | |
671 | 0x7f, 1, | |
672 | headphone_volume), | |
904a9873 RL |
673 | SOC_SINGLE("Headphone Playback Switch", SGTL5000_CHIP_ANA_CTRL, |
674 | 4, 1, 1), | |
9b34e6cc ZZ |
675 | SOC_SINGLE("Headphone Playback ZC Switch", SGTL5000_CHIP_ANA_CTRL, |
676 | 5, 1, 0), | |
677 | ||
678 | SOC_SINGLE_TLV("Mic Volume", SGTL5000_CHIP_MIC_CTRL, | |
b50684da | 679 | 0, 3, 0, mic_gain_tlv), |
0593d461 KK |
680 | |
681 | SOC_DOUBLE_TLV("Lineout Playback Volume", | |
682 | SGTL5000_CHIP_LINE_OUT_VOL, | |
683 | SGTL5000_LINE_OUT_VOL_LEFT_SHIFT, | |
684 | SGTL5000_LINE_OUT_VOL_RIGHT_SHIFT, | |
685 | 0x1f, 1, | |
686 | lineout_volume), | |
904a9873 | 687 | SOC_SINGLE("Lineout Playback Switch", SGTL5000_CHIP_ANA_CTRL, 8, 1, 1), |
a7295267 RL |
688 | |
689 | /* Automatic Volume Control (DAP AVC) */ | |
690 | SOC_SINGLE("AVC Switch", SGTL5000_DAP_AVC_CTRL, 0, 1, 0), | |
691 | SOC_SINGLE("AVC Hard Limiter Switch", SGTL5000_DAP_AVC_CTRL, 5, 1, 0), | |
692 | SOC_SINGLE_TLV("AVC Max Gain Volume", SGTL5000_DAP_AVC_CTRL, 12, 2, 0, | |
693 | avc_max_gain), | |
694 | SOC_SINGLE("AVC Integrator Response", SGTL5000_DAP_AVC_CTRL, 8, 3, 0), | |
695 | SOC_SINGLE_EXT_TLV("AVC Threshold Volume", SGTL5000_DAP_AVC_THRESHOLD, | |
696 | 0, 96, 0, avc_get_threshold, avc_put_threshold, | |
697 | avc_threshold), | |
9b34e6cc ZZ |
698 | }; |
699 | ||
700 | /* mute the codec used by alsa core */ | |
701 | static int sgtl5000_digital_mute(struct snd_soc_dai *codec_dai, int mute) | |
702 | { | |
703 | struct snd_soc_codec *codec = codec_dai->codec; | |
704 | u16 adcdac_ctrl = SGTL5000_DAC_MUTE_LEFT | SGTL5000_DAC_MUTE_RIGHT; | |
705 | ||
706 | snd_soc_update_bits(codec, SGTL5000_CHIP_ADCDAC_CTRL, | |
707 | adcdac_ctrl, mute ? adcdac_ctrl : 0); | |
708 | ||
709 | return 0; | |
710 | } | |
711 | ||
712 | /* set codec format */ | |
713 | static int sgtl5000_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) | |
714 | { | |
715 | struct snd_soc_codec *codec = codec_dai->codec; | |
716 | struct sgtl5000_priv *sgtl5000 = snd_soc_codec_get_drvdata(codec); | |
717 | u16 i2sctl = 0; | |
718 | ||
719 | sgtl5000->master = 0; | |
720 | /* | |
721 | * i2s clock and frame master setting. | |
722 | * ONLY support: | |
723 | * - clock and frame slave, | |
724 | * - clock and frame master | |
725 | */ | |
726 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
727 | case SND_SOC_DAIFMT_CBS_CFS: | |
728 | break; | |
729 | case SND_SOC_DAIFMT_CBM_CFM: | |
730 | i2sctl |= SGTL5000_I2S_MASTER; | |
731 | sgtl5000->master = 1; | |
732 | break; | |
733 | default: | |
734 | return -EINVAL; | |
735 | } | |
736 | ||
737 | /* setting i2s data format */ | |
738 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
739 | case SND_SOC_DAIFMT_DSP_A: | |
9ee802ec | 740 | i2sctl |= SGTL5000_I2S_MODE_PCM << SGTL5000_I2S_MODE_SHIFT; |
9b34e6cc ZZ |
741 | break; |
742 | case SND_SOC_DAIFMT_DSP_B: | |
9ee802ec | 743 | i2sctl |= SGTL5000_I2S_MODE_PCM << SGTL5000_I2S_MODE_SHIFT; |
9b34e6cc ZZ |
744 | i2sctl |= SGTL5000_I2S_LRALIGN; |
745 | break; | |
746 | case SND_SOC_DAIFMT_I2S: | |
9ee802ec | 747 | i2sctl |= SGTL5000_I2S_MODE_I2S_LJ << SGTL5000_I2S_MODE_SHIFT; |
9b34e6cc ZZ |
748 | break; |
749 | case SND_SOC_DAIFMT_RIGHT_J: | |
9ee802ec | 750 | i2sctl |= SGTL5000_I2S_MODE_RJ << SGTL5000_I2S_MODE_SHIFT; |
9b34e6cc ZZ |
751 | i2sctl |= SGTL5000_I2S_LRPOL; |
752 | break; | |
753 | case SND_SOC_DAIFMT_LEFT_J: | |
9ee802ec | 754 | i2sctl |= SGTL5000_I2S_MODE_I2S_LJ << SGTL5000_I2S_MODE_SHIFT; |
9b34e6cc ZZ |
755 | i2sctl |= SGTL5000_I2S_LRALIGN; |
756 | break; | |
757 | default: | |
758 | return -EINVAL; | |
759 | } | |
760 | ||
761 | sgtl5000->fmt = fmt & SND_SOC_DAIFMT_FORMAT_MASK; | |
762 | ||
763 | /* Clock inversion */ | |
764 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
765 | case SND_SOC_DAIFMT_NB_NF: | |
766 | break; | |
767 | case SND_SOC_DAIFMT_IB_NF: | |
768 | i2sctl |= SGTL5000_I2S_SCLK_INV; | |
769 | break; | |
770 | default: | |
771 | return -EINVAL; | |
772 | } | |
773 | ||
774 | snd_soc_write(codec, SGTL5000_CHIP_I2S_CTRL, i2sctl); | |
775 | ||
776 | return 0; | |
777 | } | |
778 | ||
779 | /* set codec sysclk */ | |
780 | static int sgtl5000_set_dai_sysclk(struct snd_soc_dai *codec_dai, | |
781 | int clk_id, unsigned int freq, int dir) | |
782 | { | |
783 | struct snd_soc_codec *codec = codec_dai->codec; | |
784 | struct sgtl5000_priv *sgtl5000 = snd_soc_codec_get_drvdata(codec); | |
785 | ||
786 | switch (clk_id) { | |
787 | case SGTL5000_SYSCLK: | |
788 | sgtl5000->sysclk = freq; | |
789 | break; | |
790 | default: | |
791 | return -EINVAL; | |
792 | } | |
793 | ||
794 | return 0; | |
795 | } | |
796 | ||
797 | /* | |
798 | * set clock according to i2s frame clock, | |
7f6d75d7 FE |
799 | * sgtl5000 provides 2 clock sources: |
800 | * 1. sys_mclk: sample freq can only be configured to | |
9b34e6cc | 801 | * 1/256, 1/384, 1/512 of sys_mclk. |
7f6d75d7 | 802 | * 2. pll: can derive any audio clocks. |
9b34e6cc ZZ |
803 | * |
804 | * clock setting rules: | |
7f6d75d7 FE |
805 | * 1. in slave mode, only sys_mclk can be used |
806 | * 2. as constraint by sys_mclk, sample freq should be set to 32 kHz, 44.1 kHz | |
807 | * and above. | |
808 | * 3. usage of sys_mclk is preferred over pll to save power. | |
9b34e6cc ZZ |
809 | */ |
810 | static int sgtl5000_set_clock(struct snd_soc_codec *codec, int frame_rate) | |
811 | { | |
812 | struct sgtl5000_priv *sgtl5000 = snd_soc_codec_get_drvdata(codec); | |
813 | int clk_ctl = 0; | |
814 | int sys_fs; /* sample freq */ | |
815 | ||
816 | /* | |
817 | * sample freq should be divided by frame clock, | |
7f6d75d7 FE |
818 | * if frame clock is lower than 44.1 kHz, sample freq should be set to |
819 | * 32 kHz or 44.1 kHz. | |
9b34e6cc ZZ |
820 | */ |
821 | switch (frame_rate) { | |
822 | case 8000: | |
823 | case 16000: | |
824 | sys_fs = 32000; | |
825 | break; | |
826 | case 11025: | |
827 | case 22050: | |
828 | sys_fs = 44100; | |
829 | break; | |
830 | default: | |
831 | sys_fs = frame_rate; | |
832 | break; | |
833 | } | |
834 | ||
835 | /* set divided factor of frame clock */ | |
836 | switch (sys_fs / frame_rate) { | |
837 | case 4: | |
838 | clk_ctl |= SGTL5000_RATE_MODE_DIV_4 << SGTL5000_RATE_MODE_SHIFT; | |
839 | break; | |
840 | case 2: | |
841 | clk_ctl |= SGTL5000_RATE_MODE_DIV_2 << SGTL5000_RATE_MODE_SHIFT; | |
842 | break; | |
843 | case 1: | |
844 | clk_ctl |= SGTL5000_RATE_MODE_DIV_1 << SGTL5000_RATE_MODE_SHIFT; | |
845 | break; | |
846 | default: | |
847 | return -EINVAL; | |
848 | } | |
849 | ||
850 | /* set the sys_fs according to frame rate */ | |
851 | switch (sys_fs) { | |
852 | case 32000: | |
853 | clk_ctl |= SGTL5000_SYS_FS_32k << SGTL5000_SYS_FS_SHIFT; | |
854 | break; | |
855 | case 44100: | |
856 | clk_ctl |= SGTL5000_SYS_FS_44_1k << SGTL5000_SYS_FS_SHIFT; | |
857 | break; | |
858 | case 48000: | |
859 | clk_ctl |= SGTL5000_SYS_FS_48k << SGTL5000_SYS_FS_SHIFT; | |
860 | break; | |
861 | case 96000: | |
862 | clk_ctl |= SGTL5000_SYS_FS_96k << SGTL5000_SYS_FS_SHIFT; | |
863 | break; | |
864 | default: | |
865 | dev_err(codec->dev, "frame rate %d not supported\n", | |
866 | frame_rate); | |
867 | return -EINVAL; | |
868 | } | |
869 | ||
870 | /* | |
871 | * calculate the divider of mclk/sample_freq, | |
7f6d75d7 FE |
872 | * factor of freq = 96 kHz can only be 256, since mclk is in the range |
873 | * of 8 MHz - 27 MHz | |
9b34e6cc | 874 | */ |
2a4cfd10 | 875 | switch (sgtl5000->sysclk / frame_rate) { |
9b34e6cc ZZ |
876 | case 256: |
877 | clk_ctl |= SGTL5000_MCLK_FREQ_256FS << | |
878 | SGTL5000_MCLK_FREQ_SHIFT; | |
879 | break; | |
880 | case 384: | |
881 | clk_ctl |= SGTL5000_MCLK_FREQ_384FS << | |
882 | SGTL5000_MCLK_FREQ_SHIFT; | |
883 | break; | |
884 | case 512: | |
885 | clk_ctl |= SGTL5000_MCLK_FREQ_512FS << | |
886 | SGTL5000_MCLK_FREQ_SHIFT; | |
887 | break; | |
888 | default: | |
7f6d75d7 | 889 | /* if mclk does not satisfy the divider, use pll */ |
9b34e6cc ZZ |
890 | if (sgtl5000->master) { |
891 | clk_ctl |= SGTL5000_MCLK_FREQ_PLL << | |
892 | SGTL5000_MCLK_FREQ_SHIFT; | |
893 | } else { | |
894 | dev_err(codec->dev, | |
895 | "PLL not supported in slave mode\n"); | |
fa558d01 FE |
896 | dev_err(codec->dev, "%d ratio is not supported. " |
897 | "SYS_MCLK needs to be 256, 384 or 512 * fs\n", | |
2a4cfd10 | 898 | sgtl5000->sysclk / frame_rate); |
9b34e6cc ZZ |
899 | return -EINVAL; |
900 | } | |
901 | } | |
902 | ||
903 | /* if using pll, please check manual 6.4.2 for detail */ | |
904 | if ((clk_ctl & SGTL5000_MCLK_FREQ_MASK) == SGTL5000_MCLK_FREQ_PLL) { | |
905 | u64 out, t; | |
906 | int div2; | |
907 | int pll_ctl; | |
908 | unsigned int in, int_div, frac_div; | |
909 | ||
910 | if (sgtl5000->sysclk > 17000000) { | |
911 | div2 = 1; | |
912 | in = sgtl5000->sysclk / 2; | |
913 | } else { | |
914 | div2 = 0; | |
915 | in = sgtl5000->sysclk; | |
916 | } | |
917 | if (sys_fs == 44100) | |
918 | out = 180633600; | |
919 | else | |
920 | out = 196608000; | |
921 | t = do_div(out, in); | |
922 | int_div = out; | |
923 | t *= 2048; | |
924 | do_div(t, in); | |
925 | frac_div = t; | |
926 | pll_ctl = int_div << SGTL5000_PLL_INT_DIV_SHIFT | | |
927 | frac_div << SGTL5000_PLL_FRAC_DIV_SHIFT; | |
928 | ||
929 | snd_soc_write(codec, SGTL5000_CHIP_PLL_CTRL, pll_ctl); | |
930 | if (div2) | |
931 | snd_soc_update_bits(codec, | |
932 | SGTL5000_CHIP_CLK_TOP_CTRL, | |
933 | SGTL5000_INPUT_FREQ_DIV2, | |
934 | SGTL5000_INPUT_FREQ_DIV2); | |
935 | else | |
936 | snd_soc_update_bits(codec, | |
937 | SGTL5000_CHIP_CLK_TOP_CTRL, | |
938 | SGTL5000_INPUT_FREQ_DIV2, | |
939 | 0); | |
940 | ||
941 | /* power up pll */ | |
942 | snd_soc_update_bits(codec, SGTL5000_CHIP_ANA_POWER, | |
943 | SGTL5000_PLL_POWERUP | SGTL5000_VCOAMP_POWERUP, | |
944 | SGTL5000_PLL_POWERUP | SGTL5000_VCOAMP_POWERUP); | |
e06e4c2d OS |
945 | |
946 | /* if using pll, clk_ctrl must be set after pll power up */ | |
947 | snd_soc_write(codec, SGTL5000_CHIP_CLK_CTRL, clk_ctl); | |
9b34e6cc | 948 | } else { |
e06e4c2d OS |
949 | /* otherwise, clk_ctrl must be set before pll power down */ |
950 | snd_soc_write(codec, SGTL5000_CHIP_CLK_CTRL, clk_ctl); | |
951 | ||
9b34e6cc ZZ |
952 | /* power down pll */ |
953 | snd_soc_update_bits(codec, SGTL5000_CHIP_ANA_POWER, | |
954 | SGTL5000_PLL_POWERUP | SGTL5000_VCOAMP_POWERUP, | |
955 | 0); | |
956 | } | |
957 | ||
9b34e6cc ZZ |
958 | return 0; |
959 | } | |
960 | ||
961 | /* | |
962 | * Set PCM DAI bit size and sample rate. | |
963 | * input: params_rate, params_fmt | |
964 | */ | |
965 | static int sgtl5000_pcm_hw_params(struct snd_pcm_substream *substream, | |
966 | struct snd_pcm_hw_params *params, | |
967 | struct snd_soc_dai *dai) | |
968 | { | |
e6968a17 | 969 | struct snd_soc_codec *codec = dai->codec; |
9b34e6cc ZZ |
970 | struct sgtl5000_priv *sgtl5000 = snd_soc_codec_get_drvdata(codec); |
971 | int channels = params_channels(params); | |
972 | int i2s_ctl = 0; | |
973 | int stereo; | |
974 | int ret; | |
975 | ||
976 | /* sysclk should already set */ | |
977 | if (!sgtl5000->sysclk) { | |
978 | dev_err(codec->dev, "%s: set sysclk first!\n", __func__); | |
979 | return -EFAULT; | |
980 | } | |
981 | ||
982 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
983 | stereo = SGTL5000_DAC_STEREO; | |
984 | else | |
985 | stereo = SGTL5000_ADC_STEREO; | |
986 | ||
987 | /* set mono to save power */ | |
988 | snd_soc_update_bits(codec, SGTL5000_CHIP_ANA_POWER, stereo, | |
989 | channels == 1 ? 0 : stereo); | |
990 | ||
991 | /* set codec clock base on lrclk */ | |
992 | ret = sgtl5000_set_clock(codec, params_rate(params)); | |
993 | if (ret) | |
994 | return ret; | |
995 | ||
996 | /* set i2s data format */ | |
dacc2aef MB |
997 | switch (params_width(params)) { |
998 | case 16: | |
9b34e6cc ZZ |
999 | if (sgtl5000->fmt == SND_SOC_DAIFMT_RIGHT_J) |
1000 | return -EINVAL; | |
1001 | i2s_ctl |= SGTL5000_I2S_DLEN_16 << SGTL5000_I2S_DLEN_SHIFT; | |
1002 | i2s_ctl |= SGTL5000_I2S_SCLKFREQ_32FS << | |
1003 | SGTL5000_I2S_SCLKFREQ_SHIFT; | |
1004 | break; | |
dacc2aef | 1005 | case 20: |
9b34e6cc ZZ |
1006 | i2s_ctl |= SGTL5000_I2S_DLEN_20 << SGTL5000_I2S_DLEN_SHIFT; |
1007 | i2s_ctl |= SGTL5000_I2S_SCLKFREQ_64FS << | |
1008 | SGTL5000_I2S_SCLKFREQ_SHIFT; | |
1009 | break; | |
dacc2aef | 1010 | case 24: |
9b34e6cc ZZ |
1011 | i2s_ctl |= SGTL5000_I2S_DLEN_24 << SGTL5000_I2S_DLEN_SHIFT; |
1012 | i2s_ctl |= SGTL5000_I2S_SCLKFREQ_64FS << | |
1013 | SGTL5000_I2S_SCLKFREQ_SHIFT; | |
1014 | break; | |
dacc2aef | 1015 | case 32: |
9b34e6cc ZZ |
1016 | if (sgtl5000->fmt == SND_SOC_DAIFMT_RIGHT_J) |
1017 | return -EINVAL; | |
1018 | i2s_ctl |= SGTL5000_I2S_DLEN_32 << SGTL5000_I2S_DLEN_SHIFT; | |
1019 | i2s_ctl |= SGTL5000_I2S_SCLKFREQ_64FS << | |
1020 | SGTL5000_I2S_SCLKFREQ_SHIFT; | |
1021 | break; | |
1022 | default: | |
1023 | return -EINVAL; | |
1024 | } | |
1025 | ||
33cb92cf AL |
1026 | snd_soc_update_bits(codec, SGTL5000_CHIP_I2S_CTRL, |
1027 | SGTL5000_I2S_DLEN_MASK | SGTL5000_I2S_SCLKFREQ_MASK, | |
1028 | i2s_ctl); | |
9b34e6cc ZZ |
1029 | |
1030 | return 0; | |
1031 | } | |
1032 | ||
9b34e6cc ZZ |
1033 | /* |
1034 | * set dac bias | |
1035 | * common state changes: | |
1036 | * startup: | |
1037 | * off --> standby --> prepare --> on | |
1038 | * standby --> prepare --> on | |
1039 | * | |
1040 | * stop: | |
1041 | * on --> prepare --> standby | |
1042 | */ | |
1043 | static int sgtl5000_set_bias_level(struct snd_soc_codec *codec, | |
1044 | enum snd_soc_bias_level level) | |
1045 | { | |
7c248448 FE |
1046 | struct sgtl5000_priv *sgtl = snd_soc_codec_get_drvdata(codec); |
1047 | int ret; | |
1048 | ||
9b34e6cc ZZ |
1049 | switch (level) { |
1050 | case SND_SOC_BIAS_ON: | |
1051 | case SND_SOC_BIAS_PREPARE: | |
9b34e6cc | 1052 | case SND_SOC_BIAS_STANDBY: |
7c248448 FE |
1053 | regcache_cache_only(sgtl->regmap, false); |
1054 | ret = regcache_sync(sgtl->regmap); | |
1055 | if (ret) { | |
1056 | regcache_cache_only(sgtl->regmap, true); | |
1057 | return ret; | |
1058 | } | |
1059 | ||
8419caa7 EN |
1060 | snd_soc_update_bits(codec, SGTL5000_CHIP_ANA_POWER, |
1061 | SGTL5000_REFTOP_POWERUP, | |
1062 | SGTL5000_REFTOP_POWERUP); | |
9b34e6cc ZZ |
1063 | break; |
1064 | case SND_SOC_BIAS_OFF: | |
7c248448 | 1065 | regcache_cache_only(sgtl->regmap, true); |
8419caa7 EN |
1066 | snd_soc_update_bits(codec, SGTL5000_CHIP_ANA_POWER, |
1067 | SGTL5000_REFTOP_POWERUP, 0); | |
9b34e6cc ZZ |
1068 | break; |
1069 | } | |
1070 | ||
9b34e6cc ZZ |
1071 | return 0; |
1072 | } | |
1073 | ||
1074 | #define SGTL5000_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\ | |
1075 | SNDRV_PCM_FMTBIT_S20_3LE |\ | |
1076 | SNDRV_PCM_FMTBIT_S24_LE |\ | |
1077 | SNDRV_PCM_FMTBIT_S32_LE) | |
1078 | ||
85e7652d | 1079 | static const struct snd_soc_dai_ops sgtl5000_ops = { |
9b34e6cc ZZ |
1080 | .hw_params = sgtl5000_pcm_hw_params, |
1081 | .digital_mute = sgtl5000_digital_mute, | |
1082 | .set_fmt = sgtl5000_set_dai_fmt, | |
1083 | .set_sysclk = sgtl5000_set_dai_sysclk, | |
1084 | }; | |
1085 | ||
1086 | static struct snd_soc_dai_driver sgtl5000_dai = { | |
1087 | .name = "sgtl5000", | |
1088 | .playback = { | |
1089 | .stream_name = "Playback", | |
1090 | .channels_min = 1, | |
1091 | .channels_max = 2, | |
1092 | /* | |
1093 | * only support 8~48K + 96K, | |
1094 | * TODO modify hw_param to support more | |
1095 | */ | |
1096 | .rates = SNDRV_PCM_RATE_8000_48000 | SNDRV_PCM_RATE_96000, | |
1097 | .formats = SGTL5000_FORMATS, | |
1098 | }, | |
1099 | .capture = { | |
1100 | .stream_name = "Capture", | |
1101 | .channels_min = 1, | |
1102 | .channels_max = 2, | |
1103 | .rates = SNDRV_PCM_RATE_8000_48000 | SNDRV_PCM_RATE_96000, | |
1104 | .formats = SGTL5000_FORMATS, | |
1105 | }, | |
1106 | .ops = &sgtl5000_ops, | |
1107 | .symmetric_rates = 1, | |
1108 | }; | |
1109 | ||
e5d80e82 | 1110 | static bool sgtl5000_volatile(struct device *dev, unsigned int reg) |
9b34e6cc ZZ |
1111 | { |
1112 | switch (reg) { | |
1113 | case SGTL5000_CHIP_ID: | |
1114 | case SGTL5000_CHIP_ADCDAC_CTRL: | |
1115 | case SGTL5000_CHIP_ANA_STATUS: | |
e5d80e82 | 1116 | return true; |
9b34e6cc ZZ |
1117 | } |
1118 | ||
e5d80e82 FE |
1119 | return false; |
1120 | } | |
1121 | ||
1122 | static bool sgtl5000_readable(struct device *dev, unsigned int reg) | |
1123 | { | |
1124 | switch (reg) { | |
1125 | case SGTL5000_CHIP_ID: | |
1126 | case SGTL5000_CHIP_DIG_POWER: | |
1127 | case SGTL5000_CHIP_CLK_CTRL: | |
1128 | case SGTL5000_CHIP_I2S_CTRL: | |
1129 | case SGTL5000_CHIP_SSS_CTRL: | |
1130 | case SGTL5000_CHIP_ADCDAC_CTRL: | |
1131 | case SGTL5000_CHIP_DAC_VOL: | |
1132 | case SGTL5000_CHIP_PAD_STRENGTH: | |
1133 | case SGTL5000_CHIP_ANA_ADC_CTRL: | |
1134 | case SGTL5000_CHIP_ANA_HP_CTRL: | |
1135 | case SGTL5000_CHIP_ANA_CTRL: | |
1136 | case SGTL5000_CHIP_LINREG_CTRL: | |
1137 | case SGTL5000_CHIP_REF_CTRL: | |
1138 | case SGTL5000_CHIP_MIC_CTRL: | |
1139 | case SGTL5000_CHIP_LINE_OUT_CTRL: | |
1140 | case SGTL5000_CHIP_LINE_OUT_VOL: | |
1141 | case SGTL5000_CHIP_ANA_POWER: | |
1142 | case SGTL5000_CHIP_PLL_CTRL: | |
1143 | case SGTL5000_CHIP_CLK_TOP_CTRL: | |
1144 | case SGTL5000_CHIP_ANA_STATUS: | |
1145 | case SGTL5000_CHIP_SHORT_CTRL: | |
1146 | case SGTL5000_CHIP_ANA_TEST2: | |
1147 | case SGTL5000_DAP_CTRL: | |
1148 | case SGTL5000_DAP_PEQ: | |
1149 | case SGTL5000_DAP_BASS_ENHANCE: | |
1150 | case SGTL5000_DAP_BASS_ENHANCE_CTRL: | |
1151 | case SGTL5000_DAP_AUDIO_EQ: | |
1152 | case SGTL5000_DAP_SURROUND: | |
1153 | case SGTL5000_DAP_FLT_COEF_ACCESS: | |
1154 | case SGTL5000_DAP_COEF_WR_B0_MSB: | |
1155 | case SGTL5000_DAP_COEF_WR_B0_LSB: | |
1156 | case SGTL5000_DAP_EQ_BASS_BAND0: | |
1157 | case SGTL5000_DAP_EQ_BASS_BAND1: | |
1158 | case SGTL5000_DAP_EQ_BASS_BAND2: | |
1159 | case SGTL5000_DAP_EQ_BASS_BAND3: | |
1160 | case SGTL5000_DAP_EQ_BASS_BAND4: | |
1161 | case SGTL5000_DAP_MAIN_CHAN: | |
1162 | case SGTL5000_DAP_MIX_CHAN: | |
1163 | case SGTL5000_DAP_AVC_CTRL: | |
1164 | case SGTL5000_DAP_AVC_THRESHOLD: | |
1165 | case SGTL5000_DAP_AVC_ATTACK: | |
1166 | case SGTL5000_DAP_AVC_DECAY: | |
1167 | case SGTL5000_DAP_COEF_WR_B1_MSB: | |
1168 | case SGTL5000_DAP_COEF_WR_B1_LSB: | |
1169 | case SGTL5000_DAP_COEF_WR_B2_MSB: | |
1170 | case SGTL5000_DAP_COEF_WR_B2_LSB: | |
1171 | case SGTL5000_DAP_COEF_WR_A1_MSB: | |
1172 | case SGTL5000_DAP_COEF_WR_A1_LSB: | |
1173 | case SGTL5000_DAP_COEF_WR_A2_MSB: | |
1174 | case SGTL5000_DAP_COEF_WR_A2_LSB: | |
1175 | return true; | |
1176 | ||
1177 | default: | |
1178 | return false; | |
1179 | } | |
9b34e6cc ZZ |
1180 | } |
1181 | ||
1f39d939 AS |
1182 | /* |
1183 | * This precalculated table contains all (vag_val * 100 / lo_calcntrl) results | |
1184 | * to select an appropriate lo_vol_* in SGTL5000_CHIP_LINE_OUT_VOL | |
1185 | * The calculatation was done for all possible register values which | |
1186 | * is the array index and the following formula: 10^((idx−15)/40) * 100 | |
1187 | */ | |
1188 | static const u8 vol_quot_table[] = { | |
1189 | 42, 45, 47, 50, 53, 56, 60, 63, | |
1190 | 67, 71, 75, 79, 84, 89, 94, 100, | |
1191 | 106, 112, 119, 126, 133, 141, 150, 158, | |
1192 | 168, 178, 188, 200, 211, 224, 237, 251 | |
1193 | }; | |
1194 | ||
9b34e6cc ZZ |
1195 | /* |
1196 | * sgtl5000 has 3 internal power supplies: | |
1197 | * 1. VAG, normally set to vdda/2 | |
7f6d75d7 | 1198 | * 2. charge pump, set to different value |
9b34e6cc ZZ |
1199 | * according to voltage of vdda and vddio |
1200 | * 3. line out VAG, normally set to vddio/2 | |
1201 | * | |
1202 | * and should be set according to: | |
1203 | * 1. vddd provided by external or not | |
1204 | * 2. vdda and vddio voltage value. > 3.1v or not | |
9b34e6cc ZZ |
1205 | */ |
1206 | static int sgtl5000_set_power_regs(struct snd_soc_codec *codec) | |
1207 | { | |
1208 | int vddd; | |
1209 | int vdda; | |
1210 | int vddio; | |
1211 | u16 ana_pwr; | |
1212 | u16 lreg_ctrl; | |
1213 | int vag; | |
d2b7c2aa | 1214 | int lo_vag; |
1f39d939 AS |
1215 | int vol_quot; |
1216 | int lo_vol; | |
1217 | size_t i; | |
9b34e6cc ZZ |
1218 | struct sgtl5000_priv *sgtl5000 = snd_soc_codec_get_drvdata(codec); |
1219 | ||
1220 | vdda = regulator_get_voltage(sgtl5000->supplies[VDDA].consumer); | |
1221 | vddio = regulator_get_voltage(sgtl5000->supplies[VDDIO].consumer); | |
940adb28 EN |
1222 | vddd = (sgtl5000->num_supplies > VDDD) |
1223 | ? regulator_get_voltage(sgtl5000->supplies[VDDD].consumer) | |
1224 | : LDO_VOLTAGE; | |
9b34e6cc ZZ |
1225 | |
1226 | vdda = vdda / 1000; | |
1227 | vddio = vddio / 1000; | |
1228 | vddd = vddd / 1000; | |
1229 | ||
1230 | if (vdda <= 0 || vddio <= 0 || vddd < 0) { | |
1231 | dev_err(codec->dev, "regulator voltage not set correctly\n"); | |
1232 | ||
1233 | return -EINVAL; | |
1234 | } | |
1235 | ||
1236 | /* according to datasheet, maximum voltage of supplies */ | |
1237 | if (vdda > 3600 || vddio > 3600 || vddd > 1980) { | |
1238 | dev_err(codec->dev, | |
cf1ee98d | 1239 | "exceed max voltage vdda %dmV vddio %dmV vddd %dmV\n", |
9b34e6cc ZZ |
1240 | vdda, vddio, vddd); |
1241 | ||
1242 | return -EINVAL; | |
1243 | } | |
1244 | ||
1245 | /* reset value */ | |
1246 | ana_pwr = snd_soc_read(codec, SGTL5000_CHIP_ANA_POWER); | |
1247 | ana_pwr |= SGTL5000_DAC_STEREO | | |
1248 | SGTL5000_ADC_STEREO | | |
1249 | SGTL5000_REFTOP_POWERUP; | |
1250 | lreg_ctrl = snd_soc_read(codec, SGTL5000_CHIP_LINREG_CTRL); | |
1251 | ||
1252 | if (vddio < 3100 && vdda < 3100) { | |
1253 | /* enable internal oscillator used for charge pump */ | |
1254 | snd_soc_update_bits(codec, SGTL5000_CHIP_CLK_TOP_CTRL, | |
1255 | SGTL5000_INT_OSC_EN, | |
1256 | SGTL5000_INT_OSC_EN); | |
1257 | /* Enable VDDC charge pump */ | |
1258 | ana_pwr |= SGTL5000_VDDC_CHRGPMP_POWERUP; | |
75fad334 | 1259 | } else { |
c7d910b8 | 1260 | ana_pwr &= ~SGTL5000_VDDC_CHRGPMP_POWERUP; |
75fad334 OS |
1261 | /* |
1262 | * if vddio == vdda the source of charge pump should be | |
1263 | * assigned manually to VDDIO | |
1264 | */ | |
1265 | if (vddio == vdda) { | |
1266 | lreg_ctrl |= SGTL5000_VDDC_ASSN_OVRD; | |
1267 | lreg_ctrl |= SGTL5000_VDDC_MAN_ASSN_VDDIO << | |
1268 | SGTL5000_VDDC_MAN_ASSN_SHIFT; | |
1269 | } | |
9b34e6cc ZZ |
1270 | } |
1271 | ||
1272 | snd_soc_write(codec, SGTL5000_CHIP_LINREG_CTRL, lreg_ctrl); | |
1273 | ||
1274 | snd_soc_write(codec, SGTL5000_CHIP_ANA_POWER, ana_pwr); | |
1275 | ||
9b34e6cc ZZ |
1276 | /* |
1277 | * set ADC/DAC VAG to vdda / 2, | |
1278 | * should stay in range (0.8v, 1.575v) | |
1279 | */ | |
1280 | vag = vdda / 2; | |
1281 | if (vag <= SGTL5000_ANA_GND_BASE) | |
1282 | vag = 0; | |
1283 | else if (vag >= SGTL5000_ANA_GND_BASE + SGTL5000_ANA_GND_STP * | |
1284 | (SGTL5000_ANA_GND_MASK >> SGTL5000_ANA_GND_SHIFT)) | |
1285 | vag = SGTL5000_ANA_GND_MASK >> SGTL5000_ANA_GND_SHIFT; | |
1286 | else | |
1287 | vag = (vag - SGTL5000_ANA_GND_BASE) / SGTL5000_ANA_GND_STP; | |
1288 | ||
1289 | snd_soc_update_bits(codec, SGTL5000_CHIP_REF_CTRL, | |
33cb92cf | 1290 | SGTL5000_ANA_GND_MASK, vag << SGTL5000_ANA_GND_SHIFT); |
9b34e6cc ZZ |
1291 | |
1292 | /* set line out VAG to vddio / 2, in range (0.8v, 1.675v) */ | |
d2b7c2aa AS |
1293 | lo_vag = vddio / 2; |
1294 | if (lo_vag <= SGTL5000_LINE_OUT_GND_BASE) | |
1295 | lo_vag = 0; | |
1296 | else if (lo_vag >= SGTL5000_LINE_OUT_GND_BASE + | |
9b34e6cc | 1297 | SGTL5000_LINE_OUT_GND_STP * SGTL5000_LINE_OUT_GND_MAX) |
d2b7c2aa | 1298 | lo_vag = SGTL5000_LINE_OUT_GND_MAX; |
9b34e6cc | 1299 | else |
d2b7c2aa | 1300 | lo_vag = (lo_vag - SGTL5000_LINE_OUT_GND_BASE) / |
9b34e6cc ZZ |
1301 | SGTL5000_LINE_OUT_GND_STP; |
1302 | ||
1303 | snd_soc_update_bits(codec, SGTL5000_CHIP_LINE_OUT_CTRL, | |
33cb92cf AL |
1304 | SGTL5000_LINE_OUT_CURRENT_MASK | |
1305 | SGTL5000_LINE_OUT_GND_MASK, | |
d2b7c2aa | 1306 | lo_vag << SGTL5000_LINE_OUT_GND_SHIFT | |
9b34e6cc ZZ |
1307 | SGTL5000_LINE_OUT_CURRENT_360u << |
1308 | SGTL5000_LINE_OUT_CURRENT_SHIFT); | |
1309 | ||
1f39d939 AS |
1310 | /* |
1311 | * Set lineout output level in range (0..31) | |
1312 | * the same value is used for right and left channel | |
1313 | * | |
1314 | * Searching for a suitable index solving this formula: | |
1315 | * idx = 40 * log10(vag_val / lo_cagcntrl) + 15 | |
1316 | */ | |
deb8e453 | 1317 | vol_quot = lo_vag ? (vag * 100) / lo_vag : 0; |
1f39d939 AS |
1318 | lo_vol = 0; |
1319 | for (i = 0; i < ARRAY_SIZE(vol_quot_table); i++) { | |
1320 | if (vol_quot >= vol_quot_table[i]) | |
1321 | lo_vol = i; | |
1322 | else | |
1323 | break; | |
1324 | } | |
1325 | ||
1326 | snd_soc_update_bits(codec, SGTL5000_CHIP_LINE_OUT_VOL, | |
1327 | SGTL5000_LINE_OUT_VOL_RIGHT_MASK | | |
1328 | SGTL5000_LINE_OUT_VOL_LEFT_MASK, | |
1329 | lo_vol << SGTL5000_LINE_OUT_VOL_RIGHT_SHIFT | | |
1330 | lo_vol << SGTL5000_LINE_OUT_VOL_LEFT_SHIFT); | |
1331 | ||
9b34e6cc ZZ |
1332 | return 0; |
1333 | } | |
1334 | ||
940adb28 | 1335 | static int sgtl5000_enable_regulators(struct i2c_client *client) |
9b34e6cc | 1336 | { |
9b34e6cc | 1337 | int ret; |
9b34e6cc ZZ |
1338 | int i; |
1339 | int external_vddd = 0; | |
11db0da8 | 1340 | struct regulator *vddd; |
940adb28 | 1341 | struct sgtl5000_priv *sgtl5000 = i2c_get_clientdata(client); |
9b34e6cc ZZ |
1342 | |
1343 | for (i = 0; i < ARRAY_SIZE(sgtl5000->supplies); i++) | |
1344 | sgtl5000->supplies[i].supply = supply_names[i]; | |
1345 | ||
940adb28 EN |
1346 | vddd = regulator_get_optional(&client->dev, "VDDD"); |
1347 | if (IS_ERR(vddd)) { | |
1348 | /* See if it's just not registered yet */ | |
1349 | if (PTR_ERR(vddd) == -EPROBE_DEFER) | |
1350 | return -EPROBE_DEFER; | |
1351 | } else { | |
1352 | external_vddd = 1; | |
1353 | regulator_put(vddd); | |
9b34e6cc ZZ |
1354 | } |
1355 | ||
940adb28 EN |
1356 | sgtl5000->num_supplies = ARRAY_SIZE(sgtl5000->supplies) |
1357 | - 1 + external_vddd; | |
1358 | ret = regulator_bulk_get(&client->dev, sgtl5000->num_supplies, | |
11db0da8 SG |
1359 | sgtl5000->supplies); |
1360 | if (ret) | |
940adb28 | 1361 | return ret; |
9b34e6cc | 1362 | |
940adb28 EN |
1363 | ret = regulator_bulk_enable(sgtl5000->num_supplies, |
1364 | sgtl5000->supplies); | |
1365 | if (!ret) | |
1366 | usleep_range(10, 20); | |
1367 | else | |
1368 | regulator_bulk_free(sgtl5000->num_supplies, | |
1369 | sgtl5000->supplies); | |
9b34e6cc | 1370 | |
9b34e6cc | 1371 | return ret; |
9b34e6cc ZZ |
1372 | } |
1373 | ||
1374 | static int sgtl5000_probe(struct snd_soc_codec *codec) | |
1375 | { | |
1376 | int ret; | |
570c70a6 | 1377 | u16 reg; |
9b34e6cc ZZ |
1378 | struct sgtl5000_priv *sgtl5000 = snd_soc_codec_get_drvdata(codec); |
1379 | ||
9b34e6cc ZZ |
1380 | /* power up sgtl5000 */ |
1381 | ret = sgtl5000_set_power_regs(codec); | |
1382 | if (ret) | |
1383 | goto err; | |
1384 | ||
1385 | /* enable small pop, introduce 400ms delay in turning off */ | |
1386 | snd_soc_update_bits(codec, SGTL5000_CHIP_REF_CTRL, | |
c251ea7b | 1387 | SGTL5000_SMALL_POP, 1); |
9b34e6cc ZZ |
1388 | |
1389 | /* disable short cut detector */ | |
1390 | snd_soc_write(codec, SGTL5000_CHIP_SHORT_CTRL, 0); | |
1391 | ||
1392 | /* | |
1393 | * set i2s as default input of sound switch | |
1394 | * TODO: add sound switch to control and dapm widge. | |
1395 | */ | |
1396 | snd_soc_write(codec, SGTL5000_CHIP_SSS_CTRL, | |
1397 | SGTL5000_DAC_SEL_I2S_IN << SGTL5000_DAC_SEL_SHIFT); | |
1398 | snd_soc_write(codec, SGTL5000_CHIP_DIG_POWER, | |
1399 | SGTL5000_ADC_EN | SGTL5000_DAC_EN); | |
1400 | ||
1401 | /* enable dac volume ramp by default */ | |
1402 | snd_soc_write(codec, SGTL5000_CHIP_ADCDAC_CTRL, | |
1403 | SGTL5000_DAC_VOL_RAMP_EN | | |
1404 | SGTL5000_DAC_MUTE_RIGHT | | |
1405 | SGTL5000_DAC_MUTE_LEFT); | |
1406 | ||
570c70a6 FE |
1407 | reg = ((sgtl5000->lrclk_strength) << SGTL5000_PAD_I2S_LRCLK_SHIFT | 0x5f); |
1408 | snd_soc_write(codec, SGTL5000_CHIP_PAD_STRENGTH, reg); | |
9b34e6cc ZZ |
1409 | |
1410 | snd_soc_write(codec, SGTL5000_CHIP_ANA_CTRL, | |
1411 | SGTL5000_HP_ZCD_EN | | |
1412 | SGTL5000_ADC_ZCD_EN); | |
1413 | ||
bd0593f5 JMH |
1414 | snd_soc_update_bits(codec, SGTL5000_CHIP_MIC_CTRL, |
1415 | SGTL5000_BIAS_R_MASK, | |
1416 | sgtl5000->micbias_resistor << SGTL5000_BIAS_R_SHIFT); | |
9b34e6cc | 1417 | |
87357797 | 1418 | snd_soc_update_bits(codec, SGTL5000_CHIP_MIC_CTRL, |
e256da84 GR |
1419 | SGTL5000_BIAS_VOLT_MASK, |
1420 | sgtl5000->micbias_voltage << SGTL5000_BIAS_VOLT_SHIFT); | |
9b34e6cc ZZ |
1421 | /* |
1422 | * disable DAP | |
1423 | * TODO: | |
1424 | * Enable DAP in kcontrol and dapm. | |
1425 | */ | |
1426 | snd_soc_write(codec, SGTL5000_DAP_CTRL, 0); | |
1427 | ||
9b34e6cc ZZ |
1428 | return 0; |
1429 | ||
1430 | err: | |
9b34e6cc ZZ |
1431 | return ret; |
1432 | } | |
1433 | ||
1434 | static int sgtl5000_remove(struct snd_soc_codec *codec) | |
1435 | { | |
9b34e6cc ZZ |
1436 | return 0; |
1437 | } | |
1438 | ||
a180ba45 | 1439 | static const struct snd_soc_codec_driver sgtl5000_driver = { |
9b34e6cc ZZ |
1440 | .probe = sgtl5000_probe, |
1441 | .remove = sgtl5000_remove, | |
9b34e6cc | 1442 | .set_bias_level = sgtl5000_set_bias_level, |
e649057a | 1443 | .suspend_bias_off = true, |
a324dbe5 KM |
1444 | .component_driver = { |
1445 | .controls = sgtl5000_snd_controls, | |
1446 | .num_controls = ARRAY_SIZE(sgtl5000_snd_controls), | |
1447 | .dapm_widgets = sgtl5000_dapm_widgets, | |
1448 | .num_dapm_widgets = ARRAY_SIZE(sgtl5000_dapm_widgets), | |
1449 | .dapm_routes = sgtl5000_dapm_routes, | |
1450 | .num_dapm_routes = ARRAY_SIZE(sgtl5000_dapm_routes), | |
1451 | }, | |
9b34e6cc ZZ |
1452 | }; |
1453 | ||
e5d80e82 FE |
1454 | static const struct regmap_config sgtl5000_regmap = { |
1455 | .reg_bits = 16, | |
1456 | .val_bits = 16, | |
cb23e852 | 1457 | .reg_stride = 2, |
e5d80e82 FE |
1458 | |
1459 | .max_register = SGTL5000_MAX_REG_OFFSET, | |
1460 | .volatile_reg = sgtl5000_volatile, | |
1461 | .readable_reg = sgtl5000_readable, | |
1462 | ||
1463 | .cache_type = REGCACHE_RBTREE, | |
1464 | .reg_defaults = sgtl5000_reg_defaults, | |
1465 | .num_reg_defaults = ARRAY_SIZE(sgtl5000_reg_defaults), | |
1466 | }; | |
1467 | ||
af8ee112 FE |
1468 | /* |
1469 | * Write all the default values from sgtl5000_reg_defaults[] array into the | |
1470 | * sgtl5000 registers, to make sure we always start with the sane registers | |
1471 | * values as stated in the datasheet. | |
1472 | * | |
1473 | * Since sgtl5000 does not have a reset line, nor a reset command in software, | |
1474 | * we follow this approach to guarantee we always start from the default values | |
1475 | * and avoid problems like, not being able to probe after an audio playback | |
1476 | * followed by a system reset or a 'reboot' command in Linux | |
1477 | */ | |
f219b169 | 1478 | static void sgtl5000_fill_defaults(struct i2c_client *client) |
af8ee112 | 1479 | { |
f219b169 | 1480 | struct sgtl5000_priv *sgtl5000 = i2c_get_clientdata(client); |
af8ee112 FE |
1481 | int i, ret, val, index; |
1482 | ||
1483 | for (i = 0; i < ARRAY_SIZE(sgtl5000_reg_defaults); i++) { | |
1484 | val = sgtl5000_reg_defaults[i].def; | |
1485 | index = sgtl5000_reg_defaults[i].reg; | |
1486 | ret = regmap_write(sgtl5000->regmap, index, val); | |
1487 | if (ret) | |
f219b169 EN |
1488 | dev_err(&client->dev, |
1489 | "%s: error %d setting reg 0x%02x to 0x%04x\n", | |
1490 | __func__, ret, index, val); | |
af8ee112 | 1491 | } |
af8ee112 FE |
1492 | } |
1493 | ||
7a79e94e BP |
1494 | static int sgtl5000_i2c_probe(struct i2c_client *client, |
1495 | const struct i2c_device_id *id) | |
9b34e6cc ZZ |
1496 | { |
1497 | struct sgtl5000_priv *sgtl5000; | |
b871f1ad | 1498 | int ret, reg, rev; |
bd0593f5 JMH |
1499 | struct device_node *np = client->dev.of_node; |
1500 | u32 value; | |
3d632cc8 | 1501 | u16 ana_pwr; |
9b34e6cc | 1502 | |
3f7256fe | 1503 | sgtl5000 = devm_kzalloc(&client->dev, sizeof(*sgtl5000), GFP_KERNEL); |
9b34e6cc ZZ |
1504 | if (!sgtl5000) |
1505 | return -ENOMEM; | |
1506 | ||
940adb28 EN |
1507 | i2c_set_clientdata(client, sgtl5000); |
1508 | ||
1509 | ret = sgtl5000_enable_regulators(client); | |
1510 | if (ret) | |
1511 | return ret; | |
1512 | ||
e5d80e82 FE |
1513 | sgtl5000->regmap = devm_regmap_init_i2c(client, &sgtl5000_regmap); |
1514 | if (IS_ERR(sgtl5000->regmap)) { | |
1515 | ret = PTR_ERR(sgtl5000->regmap); | |
1516 | dev_err(&client->dev, "Failed to allocate regmap: %d\n", ret); | |
940adb28 | 1517 | goto disable_regs; |
e5d80e82 FE |
1518 | } |
1519 | ||
9e13f345 FE |
1520 | sgtl5000->mclk = devm_clk_get(&client->dev, NULL); |
1521 | if (IS_ERR(sgtl5000->mclk)) { | |
1522 | ret = PTR_ERR(sgtl5000->mclk); | |
1523 | dev_err(&client->dev, "Failed to get mclock: %d\n", ret); | |
46a5905e SG |
1524 | /* Defer the probe to see if the clk will be provided later */ |
1525 | if (ret == -ENOENT) | |
940adb28 EN |
1526 | ret = -EPROBE_DEFER; |
1527 | goto disable_regs; | |
9e13f345 FE |
1528 | } |
1529 | ||
1530 | ret = clk_prepare_enable(sgtl5000->mclk); | |
940adb28 EN |
1531 | if (ret) { |
1532 | dev_err(&client->dev, "Error enabling clock %d\n", ret); | |
1533 | goto disable_regs; | |
1534 | } | |
9e13f345 | 1535 | |
58cc9c9a EN |
1536 | /* Need 8 clocks before I2C accesses */ |
1537 | udelay(1); | |
1538 | ||
b871f1ad FE |
1539 | /* read chip information */ |
1540 | ret = regmap_read(sgtl5000->regmap, SGTL5000_CHIP_ID, ®); | |
940adb28 EN |
1541 | if (ret) { |
1542 | dev_err(&client->dev, "Error reading chip id %d\n", ret); | |
9e13f345 | 1543 | goto disable_clk; |
940adb28 | 1544 | } |
b871f1ad FE |
1545 | |
1546 | if (((reg & SGTL5000_PARTID_MASK) >> SGTL5000_PARTID_SHIFT) != | |
1547 | SGTL5000_PARTID_PART_ID) { | |
1548 | dev_err(&client->dev, | |
1549 | "Device with ID register %x is not a sgtl5000\n", reg); | |
9e13f345 FE |
1550 | ret = -ENODEV; |
1551 | goto disable_clk; | |
b871f1ad FE |
1552 | } |
1553 | ||
1554 | rev = (reg & SGTL5000_REVID_MASK) >> SGTL5000_REVID_SHIFT; | |
1555 | dev_info(&client->dev, "sgtl5000 revision 0x%x\n", rev); | |
252e91ff | 1556 | sgtl5000->revision = rev; |
b871f1ad | 1557 | |
08dea16e EN |
1558 | /* reconfigure the clocks in case we're using the PLL */ |
1559 | ret = regmap_write(sgtl5000->regmap, | |
1560 | SGTL5000_CHIP_CLK_CTRL, | |
1561 | SGTL5000_CHIP_CLK_CTRL_DEFAULT); | |
1562 | if (ret) | |
1563 | dev_err(&client->dev, | |
1564 | "Error %d initializing CHIP_CLK_CTRL\n", ret); | |
1565 | ||
940adb28 | 1566 | /* Follow section 2.2.1.1 of AN3663 */ |
3d632cc8 | 1567 | ana_pwr = SGTL5000_ANA_POWER_DEFAULT; |
940adb28 EN |
1568 | if (sgtl5000->num_supplies <= VDDD) { |
1569 | /* internal VDDD at 1.2V */ | |
3d632cc8 EN |
1570 | ret = regmap_update_bits(sgtl5000->regmap, |
1571 | SGTL5000_CHIP_LINREG_CTRL, | |
1572 | SGTL5000_LINREG_VDDD_MASK, | |
1573 | LINREG_VDDD); | |
1574 | if (ret) | |
1575 | dev_err(&client->dev, | |
1576 | "Error %d setting LINREG_VDDD\n", ret); | |
1577 | ||
1578 | ana_pwr |= SGTL5000_LINEREG_D_POWERUP; | |
1579 | dev_info(&client->dev, | |
1580 | "Using internal LDO instead of VDDD: check ER1\n"); | |
940adb28 EN |
1581 | } else { |
1582 | /* using external LDO for VDDD | |
1583 | * Clear startup powerup and simple powerup | |
1584 | * bits to save power | |
1585 | */ | |
3d632cc8 EN |
1586 | ana_pwr &= ~(SGTL5000_STARTUP_POWERUP |
1587 | | SGTL5000_LINREG_SIMPLE_POWERUP); | |
940adb28 EN |
1588 | dev_dbg(&client->dev, "Using external VDDD\n"); |
1589 | } | |
3d632cc8 EN |
1590 | ret = regmap_write(sgtl5000->regmap, SGTL5000_CHIP_ANA_POWER, ana_pwr); |
1591 | if (ret) | |
1592 | dev_err(&client->dev, | |
1593 | "Error %d setting CHIP_ANA_POWER to %04x\n", | |
1594 | ret, ana_pwr); | |
940adb28 | 1595 | |
bd0593f5 JMH |
1596 | if (np) { |
1597 | if (!of_property_read_u32(np, | |
1598 | "micbias-resistor-k-ohms", &value)) { | |
1599 | switch (value) { | |
1600 | case SGTL5000_MICBIAS_OFF: | |
1601 | sgtl5000->micbias_resistor = 0; | |
1602 | break; | |
1603 | case SGTL5000_MICBIAS_2K: | |
1604 | sgtl5000->micbias_resistor = 1; | |
1605 | break; | |
1606 | case SGTL5000_MICBIAS_4K: | |
1607 | sgtl5000->micbias_resistor = 2; | |
1608 | break; | |
1609 | case SGTL5000_MICBIAS_8K: | |
1610 | sgtl5000->micbias_resistor = 3; | |
1611 | break; | |
1612 | default: | |
1613 | sgtl5000->micbias_resistor = 2; | |
1614 | dev_err(&client->dev, | |
1615 | "Unsuitable MicBias resistor\n"); | |
1616 | } | |
1617 | } else { | |
1618 | /* default is 4Kohms */ | |
1619 | sgtl5000->micbias_resistor = 2; | |
1620 | } | |
87357797 JMH |
1621 | if (!of_property_read_u32(np, |
1622 | "micbias-voltage-m-volts", &value)) { | |
1623 | /* 1250mV => 0 */ | |
1624 | /* steps of 250mV */ | |
1625 | if ((value >= 1250) && (value <= 3000)) | |
1626 | sgtl5000->micbias_voltage = (value / 250) - 5; | |
1627 | else { | |
1628 | sgtl5000->micbias_voltage = 0; | |
bd0593f5 | 1629 | dev_err(&client->dev, |
fb97d75b | 1630 | "Unsuitable MicBias voltage\n"); |
bd0593f5 JMH |
1631 | } |
1632 | } else { | |
87357797 | 1633 | sgtl5000->micbias_voltage = 0; |
bd0593f5 JMH |
1634 | } |
1635 | } | |
1636 | ||
570c70a6 FE |
1637 | sgtl5000->lrclk_strength = I2S_LRCLK_STRENGTH_LOW; |
1638 | if (!of_property_read_u32(np, "lrclk-strength", &value)) { | |
1639 | if (value > I2S_LRCLK_STRENGTH_HIGH) | |
1640 | value = I2S_LRCLK_STRENGTH_LOW; | |
1641 | sgtl5000->lrclk_strength = value; | |
1642 | } | |
1643 | ||
af8ee112 | 1644 | /* Ensure sgtl5000 will start with sane register values */ |
f219b169 | 1645 | sgtl5000_fill_defaults(client); |
af8ee112 | 1646 | |
9b34e6cc ZZ |
1647 | ret = snd_soc_register_codec(&client->dev, |
1648 | &sgtl5000_driver, &sgtl5000_dai, 1); | |
9e13f345 FE |
1649 | if (ret) |
1650 | goto disable_clk; | |
1651 | ||
1652 | return 0; | |
1653 | ||
1654 | disable_clk: | |
1655 | clk_disable_unprepare(sgtl5000->mclk); | |
940adb28 EN |
1656 | |
1657 | disable_regs: | |
1658 | regulator_bulk_disable(sgtl5000->num_supplies, sgtl5000->supplies); | |
1659 | regulator_bulk_free(sgtl5000->num_supplies, sgtl5000->supplies); | |
1660 | ||
512fa7c4 | 1661 | return ret; |
9b34e6cc ZZ |
1662 | } |
1663 | ||
7a79e94e | 1664 | static int sgtl5000_i2c_remove(struct i2c_client *client) |
9b34e6cc | 1665 | { |
7c647af4 | 1666 | struct sgtl5000_priv *sgtl5000 = i2c_get_clientdata(client); |
9b34e6cc | 1667 | |
9e13f345 FE |
1668 | snd_soc_unregister_codec(&client->dev); |
1669 | clk_disable_unprepare(sgtl5000->mclk); | |
940adb28 EN |
1670 | regulator_bulk_disable(sgtl5000->num_supplies, sgtl5000->supplies); |
1671 | regulator_bulk_free(sgtl5000->num_supplies, sgtl5000->supplies); | |
1672 | ||
9b34e6cc ZZ |
1673 | return 0; |
1674 | } | |
1675 | ||
1676 | static const struct i2c_device_id sgtl5000_id[] = { | |
1677 | {"sgtl5000", 0}, | |
1678 | {}, | |
1679 | }; | |
1680 | ||
1681 | MODULE_DEVICE_TABLE(i2c, sgtl5000_id); | |
1682 | ||
58e49424 SG |
1683 | static const struct of_device_id sgtl5000_dt_ids[] = { |
1684 | { .compatible = "fsl,sgtl5000", }, | |
1685 | { /* sentinel */ } | |
1686 | }; | |
4c54c6de | 1687 | MODULE_DEVICE_TABLE(of, sgtl5000_dt_ids); |
58e49424 | 1688 | |
9b34e6cc ZZ |
1689 | static struct i2c_driver sgtl5000_i2c_driver = { |
1690 | .driver = { | |
1691 | .name = "sgtl5000", | |
58e49424 | 1692 | .of_match_table = sgtl5000_dt_ids, |
9b34e6cc ZZ |
1693 | }, |
1694 | .probe = sgtl5000_i2c_probe, | |
7a79e94e | 1695 | .remove = sgtl5000_i2c_remove, |
9b34e6cc ZZ |
1696 | .id_table = sgtl5000_id, |
1697 | }; | |
1698 | ||
67d45090 | 1699 | module_i2c_driver(sgtl5000_i2c_driver); |
9b34e6cc ZZ |
1700 | |
1701 | MODULE_DESCRIPTION("Freescale SGTL5000 ALSA SoC Codec Driver"); | |
f7cb8a4b | 1702 | MODULE_AUTHOR("Zeng Zhaoming <zengzm.kernel@gmail.com>"); |
9b34e6cc | 1703 | MODULE_LICENSE("GPL"); |