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f516e368 RY |
1 | /* |
2 | * SiRF audio codec driver | |
3 | * | |
4 | * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company. | |
5 | * | |
6 | * Licensed under GPLv2 or later. | |
7 | */ | |
8 | ||
9 | #include <linux/module.h> | |
10 | #include <linux/platform_device.h> | |
11 | #include <linux/pm_runtime.h> | |
12 | #include <linux/of.h> | |
13 | #include <linux/of_device.h> | |
14 | #include <linux/clk.h> | |
15 | #include <linux/delay.h> | |
16 | #include <linux/io.h> | |
17 | #include <linux/regmap.h> | |
18 | #include <sound/core.h> | |
19 | #include <sound/pcm.h> | |
20 | #include <sound/pcm_params.h> | |
21 | #include <sound/initval.h> | |
22 | #include <sound/tlv.h> | |
23 | #include <sound/soc.h> | |
24 | #include <sound/dmaengine_pcm.h> | |
25 | ||
26 | #include "sirf-audio-codec.h" | |
27 | ||
28 | struct sirf_audio_codec { | |
29 | struct clk *clk; | |
30 | struct regmap *regmap; | |
31 | u32 reg_ctrl0, reg_ctrl1; | |
32 | }; | |
33 | ||
34 | static const char * const input_mode_mux[] = {"Single-ended", | |
35 | "Differential"}; | |
36 | ||
37 | static const struct soc_enum input_mode_mux_enum = | |
38 | SOC_ENUM_SINGLE(AUDIO_IC_CODEC_CTRL1, 4, 2, input_mode_mux); | |
39 | ||
40 | static const struct snd_kcontrol_new sirf_audio_codec_input_mode_control = | |
41 | SOC_DAPM_ENUM("Route", input_mode_mux_enum); | |
42 | ||
43 | static const DECLARE_TLV_DB_SCALE(playback_vol_tlv, -12400, 100, 0); | |
44 | static const DECLARE_TLV_DB_SCALE(capture_vol_tlv_prima2, 500, 100, 0); | |
45 | static const DECLARE_TLV_DB_RANGE(capture_vol_tlv_atlas6, | |
46 | 0, 7, TLV_DB_SCALE_ITEM(-100, 100, 0), | |
47 | 0x22, 0x3F, TLV_DB_SCALE_ITEM(700, 100, 0), | |
48 | ); | |
49 | ||
50 | static struct snd_kcontrol_new volume_controls_atlas6[] = { | |
51 | SOC_DOUBLE_TLV("Playback Volume", AUDIO_IC_CODEC_CTRL0, 21, 14, | |
52 | 0x7F, 0, playback_vol_tlv), | |
53 | SOC_DOUBLE_TLV("Capture Volume", AUDIO_IC_CODEC_CTRL1, 16, 10, | |
54 | 0x3F, 0, capture_vol_tlv_atlas6), | |
55 | }; | |
56 | ||
57 | static struct snd_kcontrol_new volume_controls_prima2[] = { | |
58 | SOC_DOUBLE_TLV("Speaker Volume", AUDIO_IC_CODEC_CTRL0, 21, 14, | |
59 | 0x7F, 0, playback_vol_tlv), | |
60 | SOC_DOUBLE_TLV("Capture Volume", AUDIO_IC_CODEC_CTRL1, 15, 10, | |
61 | 0x1F, 0, capture_vol_tlv_prima2), | |
62 | }; | |
63 | ||
64 | static struct snd_kcontrol_new left_input_path_controls[] = { | |
65 | SOC_DAPM_SINGLE("Line Left Switch", AUDIO_IC_CODEC_CTRL1, 6, 1, 0), | |
66 | SOC_DAPM_SINGLE("Mic Left Switch", AUDIO_IC_CODEC_CTRL1, 3, 1, 0), | |
67 | }; | |
68 | ||
69 | static struct snd_kcontrol_new right_input_path_controls[] = { | |
70 | SOC_DAPM_SINGLE("Line Right Switch", AUDIO_IC_CODEC_CTRL1, 5, 1, 0), | |
71 | SOC_DAPM_SINGLE("Mic Right Switch", AUDIO_IC_CODEC_CTRL1, 2, 1, 0), | |
72 | }; | |
73 | ||
74 | static struct snd_kcontrol_new left_dac_to_hp_left_amp_switch_control = | |
75 | SOC_DAPM_SINGLE("Switch", AUDIO_IC_CODEC_CTRL0, 9, 1, 0); | |
76 | ||
77 | static struct snd_kcontrol_new left_dac_to_hp_right_amp_switch_control = | |
78 | SOC_DAPM_SINGLE("Switch", AUDIO_IC_CODEC_CTRL0, 8, 1, 0); | |
79 | ||
80 | static struct snd_kcontrol_new right_dac_to_hp_left_amp_switch_control = | |
81 | SOC_DAPM_SINGLE("Switch", AUDIO_IC_CODEC_CTRL0, 7, 1, 0); | |
82 | ||
83 | static struct snd_kcontrol_new right_dac_to_hp_right_amp_switch_control = | |
84 | SOC_DAPM_SINGLE("Switch", AUDIO_IC_CODEC_CTRL0, 6, 1, 0); | |
85 | ||
86 | static struct snd_kcontrol_new left_dac_to_speaker_lineout_switch_control = | |
87 | SOC_DAPM_SINGLE("Switch", AUDIO_IC_CODEC_CTRL0, 11, 1, 0); | |
88 | ||
89 | static struct snd_kcontrol_new right_dac_to_speaker_lineout_switch_control = | |
90 | SOC_DAPM_SINGLE("Switch", AUDIO_IC_CODEC_CTRL0, 10, 1, 0); | |
91 | ||
92 | /* After enable adc, Delay 200ms to avoid pop noise */ | |
93 | static int adc_enable_delay_event(struct snd_soc_dapm_widget *w, | |
94 | struct snd_kcontrol *kcontrol, int event) | |
95 | { | |
96 | switch (event) { | |
97 | case SND_SOC_DAPM_POST_PMU: | |
98 | msleep(200); | |
99 | break; | |
100 | default: | |
101 | break; | |
102 | } | |
103 | ||
104 | return 0; | |
105 | } | |
106 | ||
107 | static void enable_and_reset_codec(struct regmap *regmap, | |
108 | u32 codec_enable_bits, u32 codec_reset_bits) | |
109 | { | |
110 | regmap_update_bits(regmap, AUDIO_IC_CODEC_CTRL1, | |
111 | codec_enable_bits | codec_reset_bits, | |
772bc594 | 112 | codec_enable_bits); |
f516e368 RY |
113 | msleep(20); |
114 | regmap_update_bits(regmap, AUDIO_IC_CODEC_CTRL1, | |
115 | codec_reset_bits, codec_reset_bits); | |
116 | } | |
117 | ||
118 | static int atlas6_codec_enable_and_reset_event(struct snd_soc_dapm_widget *w, | |
119 | struct snd_kcontrol *kcontrol, int event) | |
120 | { | |
121 | #define ATLAS6_CODEC_ENABLE_BITS (1 << 29) | |
122 | #define ATLAS6_CODEC_RESET_BITS (1 << 28) | |
123 | struct sirf_audio_codec *sirf_audio_codec = dev_get_drvdata(w->codec->dev); | |
124 | switch (event) { | |
125 | case SND_SOC_DAPM_PRE_PMU: | |
126 | enable_and_reset_codec(sirf_audio_codec->regmap, | |
127 | ATLAS6_CODEC_ENABLE_BITS, ATLAS6_CODEC_RESET_BITS); | |
128 | break; | |
129 | case SND_SOC_DAPM_POST_PMD: | |
130 | regmap_update_bits(sirf_audio_codec->regmap, | |
772bc594 | 131 | AUDIO_IC_CODEC_CTRL1, ATLAS6_CODEC_ENABLE_BITS, 0); |
f516e368 RY |
132 | break; |
133 | default: | |
134 | break; | |
135 | } | |
136 | ||
137 | return 0; | |
138 | } | |
139 | ||
140 | static int prima2_codec_enable_and_reset_event(struct snd_soc_dapm_widget *w, | |
141 | struct snd_kcontrol *kcontrol, int event) | |
142 | { | |
143 | #define PRIMA2_CODEC_ENABLE_BITS (1 << 27) | |
144 | #define PRIMA2_CODEC_RESET_BITS (1 << 26) | |
145 | struct sirf_audio_codec *sirf_audio_codec = dev_get_drvdata(w->codec->dev); | |
146 | switch (event) { | |
147 | case SND_SOC_DAPM_POST_PMU: | |
148 | enable_and_reset_codec(sirf_audio_codec->regmap, | |
149 | PRIMA2_CODEC_ENABLE_BITS, PRIMA2_CODEC_RESET_BITS); | |
150 | break; | |
151 | case SND_SOC_DAPM_POST_PMD: | |
152 | regmap_update_bits(sirf_audio_codec->regmap, | |
772bc594 | 153 | AUDIO_IC_CODEC_CTRL1, PRIMA2_CODEC_ENABLE_BITS, 0); |
f516e368 RY |
154 | break; |
155 | default: | |
156 | break; | |
157 | } | |
158 | ||
159 | return 0; | |
160 | } | |
161 | ||
162 | static const struct snd_soc_dapm_widget atlas6_output_driver_dapm_widgets[] = { | |
163 | SND_SOC_DAPM_OUT_DRV("HP Left Driver", AUDIO_IC_CODEC_CTRL1, | |
164 | 25, 0, NULL, 0), | |
165 | SND_SOC_DAPM_OUT_DRV("HP Right Driver", AUDIO_IC_CODEC_CTRL1, | |
166 | 26, 0, NULL, 0), | |
167 | SND_SOC_DAPM_OUT_DRV("Speaker Driver", AUDIO_IC_CODEC_CTRL1, | |
168 | 27, 0, NULL, 0), | |
169 | }; | |
170 | ||
171 | static const struct snd_soc_dapm_widget prima2_output_driver_dapm_widgets[] = { | |
172 | SND_SOC_DAPM_OUT_DRV("HP Left Driver", AUDIO_IC_CODEC_CTRL1, | |
173 | 23, 0, NULL, 0), | |
174 | SND_SOC_DAPM_OUT_DRV("HP Right Driver", AUDIO_IC_CODEC_CTRL1, | |
175 | 24, 0, NULL, 0), | |
176 | SND_SOC_DAPM_OUT_DRV("Speaker Driver", AUDIO_IC_CODEC_CTRL1, | |
177 | 25, 0, NULL, 0), | |
178 | }; | |
179 | ||
180 | static const struct snd_soc_dapm_widget atlas6_codec_clock_dapm_widget = | |
181 | SND_SOC_DAPM_SUPPLY("codecclk", SND_SOC_NOPM, 0, 0, | |
182 | atlas6_codec_enable_and_reset_event, | |
183 | SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD); | |
184 | ||
185 | static const struct snd_soc_dapm_widget prima2_codec_clock_dapm_widget = | |
186 | SND_SOC_DAPM_SUPPLY("codecclk", SND_SOC_NOPM, 0, 0, | |
187 | prima2_codec_enable_and_reset_event, | |
188 | SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD); | |
189 | ||
190 | static const struct snd_soc_dapm_widget sirf_audio_codec_dapm_widgets[] = { | |
191 | SND_SOC_DAPM_DAC("DAC left", NULL, AUDIO_IC_CODEC_CTRL0, 1, 0), | |
192 | SND_SOC_DAPM_DAC("DAC right", NULL, AUDIO_IC_CODEC_CTRL0, 0, 0), | |
193 | SND_SOC_DAPM_SWITCH("Left dac to hp left amp", SND_SOC_NOPM, 0, 0, | |
194 | &left_dac_to_hp_left_amp_switch_control), | |
195 | SND_SOC_DAPM_SWITCH("Left dac to hp right amp", SND_SOC_NOPM, 0, 0, | |
196 | &left_dac_to_hp_right_amp_switch_control), | |
197 | SND_SOC_DAPM_SWITCH("Right dac to hp left amp", SND_SOC_NOPM, 0, 0, | |
198 | &right_dac_to_hp_left_amp_switch_control), | |
199 | SND_SOC_DAPM_SWITCH("Right dac to hp right amp", SND_SOC_NOPM, 0, 0, | |
200 | &right_dac_to_hp_right_amp_switch_control), | |
201 | SND_SOC_DAPM_OUT_DRV("HP amp left driver", AUDIO_IC_CODEC_CTRL0, 3, 0, | |
202 | NULL, 0), | |
203 | SND_SOC_DAPM_OUT_DRV("HP amp right driver", AUDIO_IC_CODEC_CTRL0, 3, 0, | |
204 | NULL, 0), | |
205 | ||
206 | SND_SOC_DAPM_SWITCH("Left dac to speaker lineout", SND_SOC_NOPM, 0, 0, | |
207 | &left_dac_to_speaker_lineout_switch_control), | |
208 | SND_SOC_DAPM_SWITCH("Right dac to speaker lineout", SND_SOC_NOPM, 0, 0, | |
209 | &right_dac_to_speaker_lineout_switch_control), | |
210 | SND_SOC_DAPM_OUT_DRV("Speaker amp driver", AUDIO_IC_CODEC_CTRL0, 4, 0, | |
211 | NULL, 0), | |
212 | ||
213 | SND_SOC_DAPM_OUTPUT("HPOUTL"), | |
214 | SND_SOC_DAPM_OUTPUT("HPOUTR"), | |
215 | SND_SOC_DAPM_OUTPUT("SPKOUT"), | |
216 | ||
217 | SND_SOC_DAPM_ADC_E("ADC left", NULL, AUDIO_IC_CODEC_CTRL1, 8, 0, | |
218 | adc_enable_delay_event, SND_SOC_DAPM_POST_PMU), | |
219 | SND_SOC_DAPM_ADC_E("ADC right", NULL, AUDIO_IC_CODEC_CTRL1, 7, 0, | |
220 | adc_enable_delay_event, SND_SOC_DAPM_POST_PMU), | |
221 | SND_SOC_DAPM_MIXER("Left PGA mixer", AUDIO_IC_CODEC_CTRL1, 1, 0, | |
222 | &left_input_path_controls[0], | |
223 | ARRAY_SIZE(left_input_path_controls)), | |
224 | SND_SOC_DAPM_MIXER("Right PGA mixer", AUDIO_IC_CODEC_CTRL1, 0, 0, | |
225 | &right_input_path_controls[0], | |
226 | ARRAY_SIZE(right_input_path_controls)), | |
227 | ||
228 | SND_SOC_DAPM_MUX("Mic input mode mux", SND_SOC_NOPM, 0, 0, | |
229 | &sirf_audio_codec_input_mode_control), | |
230 | SND_SOC_DAPM_MICBIAS("Mic Bias", AUDIO_IC_CODEC_PWR, 3, 0), | |
231 | SND_SOC_DAPM_INPUT("MICIN1"), | |
232 | SND_SOC_DAPM_INPUT("MICIN2"), | |
233 | SND_SOC_DAPM_INPUT("LINEIN1"), | |
234 | SND_SOC_DAPM_INPUT("LINEIN2"), | |
235 | ||
236 | SND_SOC_DAPM_SUPPLY("HSL Phase Opposite", AUDIO_IC_CODEC_CTRL0, | |
237 | 30, 0, NULL, 0), | |
238 | }; | |
239 | ||
240 | static const struct snd_soc_dapm_route sirf_audio_codec_map[] = { | |
241 | {"SPKOUT", NULL, "Speaker Driver"}, | |
242 | {"Speaker Driver", NULL, "Speaker amp driver"}, | |
243 | {"Speaker amp driver", NULL, "Left dac to speaker lineout"}, | |
244 | {"Speaker amp driver", NULL, "Right dac to speaker lineout"}, | |
245 | {"Left dac to speaker lineout", "Switch", "DAC left"}, | |
246 | {"Right dac to speaker lineout", "Switch", "DAC right"}, | |
247 | {"HPOUTL", NULL, "HP Left Driver"}, | |
248 | {"HPOUTR", NULL, "HP Right Driver"}, | |
249 | {"HP Left Driver", NULL, "HP amp left driver"}, | |
250 | {"HP Right Driver", NULL, "HP amp right driver"}, | |
251 | {"HP amp left driver", NULL, "Right dac to hp left amp"}, | |
252 | {"HP amp right driver", NULL , "Right dac to hp right amp"}, | |
253 | {"HP amp left driver", NULL, "Left dac to hp left amp"}, | |
254 | {"HP amp right driver", NULL , "Right dac to hp right amp"}, | |
255 | {"Right dac to hp left amp", "Switch", "DAC left"}, | |
256 | {"Right dac to hp right amp", "Switch", "DAC right"}, | |
257 | {"Left dac to hp left amp", "Switch", "DAC left"}, | |
258 | {"Left dac to hp right amp", "Switch", "DAC right"}, | |
259 | {"DAC left", NULL, "codecclk"}, | |
260 | {"DAC right", NULL, "codecclk"}, | |
261 | {"DAC left", NULL, "Playback"}, | |
262 | {"DAC right", NULL, "Playback"}, | |
263 | {"DAC left", NULL, "HSL Phase Opposite"}, | |
264 | {"DAC right", NULL, "HSL Phase Opposite"}, | |
265 | ||
266 | {"Capture", NULL, "ADC left"}, | |
267 | {"Capture", NULL, "ADC right"}, | |
268 | {"ADC left", NULL, "codecclk"}, | |
269 | {"ADC right", NULL, "codecclk"}, | |
270 | {"ADC left", NULL, "Left PGA mixer"}, | |
271 | {"ADC right", NULL, "Right PGA mixer"}, | |
272 | {"Left PGA mixer", "Line Left Switch", "LINEIN2"}, | |
273 | {"Right PGA mixer", "Line Right Switch", "LINEIN1"}, | |
274 | {"Left PGA mixer", "Mic Left Switch", "MICIN2"}, | |
275 | {"Right PGA mixer", "Mic Right Switch", "Mic input mode mux"}, | |
276 | {"Mic input mode mux", "Single-ended", "MICIN1"}, | |
277 | {"Mic input mode mux", "Differential", "MICIN1"}, | |
278 | }; | |
279 | ||
b87704ce RY |
280 | static void sirf_audio_codec_tx_enable(struct sirf_audio_codec *sirf_audio_codec) |
281 | { | |
282 | regmap_update_bits(sirf_audio_codec->regmap, AUDIO_PORT_IC_TXFIFO_OP, | |
283 | AUDIO_FIFO_RESET, AUDIO_FIFO_RESET); | |
284 | regmap_update_bits(sirf_audio_codec->regmap, AUDIO_PORT_IC_TXFIFO_OP, | |
285 | AUDIO_FIFO_RESET, ~AUDIO_FIFO_RESET); | |
286 | regmap_write(sirf_audio_codec->regmap, AUDIO_PORT_IC_TXFIFO_INT_MSK, 0); | |
287 | regmap_write(sirf_audio_codec->regmap, AUDIO_PORT_IC_TXFIFO_OP, 0); | |
288 | regmap_update_bits(sirf_audio_codec->regmap, AUDIO_PORT_IC_TXFIFO_OP, | |
289 | AUDIO_FIFO_START, AUDIO_FIFO_START); | |
290 | regmap_update_bits(sirf_audio_codec->regmap, | |
291 | AUDIO_PORT_IC_CODEC_TX_CTRL, IC_TX_ENABLE, IC_TX_ENABLE); | |
292 | } | |
293 | ||
294 | static void sirf_audio_codec_tx_disable(struct sirf_audio_codec *sirf_audio_codec) | |
295 | { | |
296 | regmap_write(sirf_audio_codec->regmap, AUDIO_PORT_IC_TXFIFO_OP, 0); | |
297 | regmap_update_bits(sirf_audio_codec->regmap, | |
298 | AUDIO_PORT_IC_CODEC_TX_CTRL, IC_TX_ENABLE, ~IC_TX_ENABLE); | |
299 | } | |
300 | ||
301 | static void sirf_audio_codec_rx_enable(struct sirf_audio_codec *sirf_audio_codec, | |
302 | int channels) | |
303 | { | |
304 | regmap_update_bits(sirf_audio_codec->regmap, AUDIO_PORT_IC_RXFIFO_OP, | |
305 | AUDIO_FIFO_RESET, AUDIO_FIFO_RESET); | |
306 | regmap_update_bits(sirf_audio_codec->regmap, AUDIO_PORT_IC_RXFIFO_OP, | |
307 | AUDIO_FIFO_RESET, ~AUDIO_FIFO_RESET); | |
308 | regmap_write(sirf_audio_codec->regmap, | |
309 | AUDIO_PORT_IC_RXFIFO_INT_MSK, 0); | |
310 | regmap_write(sirf_audio_codec->regmap, AUDIO_PORT_IC_RXFIFO_OP, 0); | |
311 | regmap_update_bits(sirf_audio_codec->regmap, AUDIO_PORT_IC_RXFIFO_OP, | |
312 | AUDIO_FIFO_START, AUDIO_FIFO_START); | |
313 | if (channels == 1) | |
314 | regmap_update_bits(sirf_audio_codec->regmap, | |
315 | AUDIO_PORT_IC_CODEC_RX_CTRL, | |
316 | IC_RX_ENABLE_MONO, IC_RX_ENABLE_MONO); | |
317 | else | |
318 | regmap_update_bits(sirf_audio_codec->regmap, | |
319 | AUDIO_PORT_IC_CODEC_RX_CTRL, | |
320 | IC_RX_ENABLE_STEREO, IC_RX_ENABLE_STEREO); | |
321 | } | |
322 | ||
323 | static void sirf_audio_codec_rx_disable(struct sirf_audio_codec *sirf_audio_codec) | |
324 | { | |
325 | regmap_update_bits(sirf_audio_codec->regmap, | |
326 | AUDIO_PORT_IC_CODEC_RX_CTRL, | |
327 | IC_RX_ENABLE_STEREO, ~IC_RX_ENABLE_STEREO); | |
328 | } | |
329 | ||
f516e368 RY |
330 | static int sirf_audio_codec_trigger(struct snd_pcm_substream *substream, |
331 | int cmd, | |
332 | struct snd_soc_dai *dai) | |
333 | { | |
f516e368 | 334 | struct snd_soc_codec *codec = dai->codec; |
b87704ce RY |
335 | struct sirf_audio_codec *sirf_audio_codec = snd_soc_codec_get_drvdata(codec); |
336 | int playback = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; | |
f516e368 RY |
337 | |
338 | /* | |
339 | * This is a workaround, When stop playback, | |
340 | * need disable HP amp, avoid the current noise. | |
341 | */ | |
342 | switch (cmd) { | |
343 | case SNDRV_PCM_TRIGGER_STOP: | |
344 | case SNDRV_PCM_TRIGGER_SUSPEND: | |
345 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: | |
b87704ce RY |
346 | if (playback) { |
347 | snd_soc_update_bits(codec, AUDIO_IC_CODEC_CTRL0, | |
348 | IC_HSLEN | IC_HSREN, 0); | |
349 | sirf_audio_codec_tx_disable(sirf_audio_codec); | |
350 | } else | |
351 | sirf_audio_codec_rx_disable(sirf_audio_codec); | |
f516e368 RY |
352 | break; |
353 | case SNDRV_PCM_TRIGGER_START: | |
354 | case SNDRV_PCM_TRIGGER_RESUME: | |
355 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: | |
b87704ce RY |
356 | if (playback) { |
357 | sirf_audio_codec_tx_enable(sirf_audio_codec); | |
358 | snd_soc_update_bits(codec, AUDIO_IC_CODEC_CTRL0, | |
359 | IC_HSLEN | IC_HSREN, IC_HSLEN | IC_HSREN); | |
360 | } else | |
361 | sirf_audio_codec_rx_enable(sirf_audio_codec, | |
362 | substream->runtime->channels); | |
f516e368 RY |
363 | break; |
364 | default: | |
365 | return -EINVAL; | |
366 | } | |
367 | ||
f516e368 RY |
368 | return 0; |
369 | } | |
370 | ||
371 | struct snd_soc_dai_ops sirf_audio_codec_dai_ops = { | |
372 | .trigger = sirf_audio_codec_trigger, | |
373 | }; | |
374 | ||
375 | struct snd_soc_dai_driver sirf_audio_codec_dai = { | |
376 | .name = "sirf-audio-codec", | |
377 | .playback = { | |
378 | .stream_name = "Playback", | |
379 | .channels_min = 2, | |
380 | .channels_max = 2, | |
381 | .rates = SNDRV_PCM_RATE_48000, | |
382 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
383 | }, | |
384 | .capture = { | |
385 | .stream_name = "Capture", | |
386 | .channels_min = 1, | |
387 | .channels_max = 2, | |
388 | .rates = SNDRV_PCM_RATE_48000, | |
389 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
390 | }, | |
391 | .ops = &sirf_audio_codec_dai_ops, | |
392 | }; | |
393 | ||
394 | static int sirf_audio_codec_probe(struct snd_soc_codec *codec) | |
395 | { | |
f516e368 | 396 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
f516e368 RY |
397 | |
398 | pm_runtime_enable(codec->dev); | |
f516e368 RY |
399 | |
400 | if (of_device_is_compatible(codec->dev->of_node, "sirf,prima2-audio-codec")) { | |
401 | snd_soc_dapm_new_controls(dapm, | |
402 | prima2_output_driver_dapm_widgets, | |
403 | ARRAY_SIZE(prima2_output_driver_dapm_widgets)); | |
404 | snd_soc_dapm_new_controls(dapm, | |
405 | &prima2_codec_clock_dapm_widget, 1); | |
406 | return snd_soc_add_codec_controls(codec, | |
407 | volume_controls_prima2, | |
408 | ARRAY_SIZE(volume_controls_prima2)); | |
409 | } | |
410 | if (of_device_is_compatible(codec->dev->of_node, "sirf,atlas6-audio-codec")) { | |
411 | snd_soc_dapm_new_controls(dapm, | |
412 | atlas6_output_driver_dapm_widgets, | |
413 | ARRAY_SIZE(atlas6_output_driver_dapm_widgets)); | |
414 | snd_soc_dapm_new_controls(dapm, | |
415 | &atlas6_codec_clock_dapm_widget, 1); | |
416 | return snd_soc_add_codec_controls(codec, | |
417 | volume_controls_atlas6, | |
418 | ARRAY_SIZE(volume_controls_atlas6)); | |
419 | } | |
420 | ||
421 | return -EINVAL; | |
422 | } | |
423 | ||
424 | static int sirf_audio_codec_remove(struct snd_soc_codec *codec) | |
425 | { | |
426 | pm_runtime_disable(codec->dev); | |
427 | return 0; | |
428 | } | |
429 | ||
430 | static struct snd_soc_codec_driver soc_codec_device_sirf_audio_codec = { | |
431 | .probe = sirf_audio_codec_probe, | |
432 | .remove = sirf_audio_codec_remove, | |
433 | .dapm_widgets = sirf_audio_codec_dapm_widgets, | |
434 | .num_dapm_widgets = ARRAY_SIZE(sirf_audio_codec_dapm_widgets), | |
435 | .dapm_routes = sirf_audio_codec_map, | |
436 | .num_dapm_routes = ARRAY_SIZE(sirf_audio_codec_map), | |
437 | .idle_bias_off = true, | |
438 | }; | |
439 | ||
440 | static const struct of_device_id sirf_audio_codec_of_match[] = { | |
441 | { .compatible = "sirf,prima2-audio-codec" }, | |
442 | { .compatible = "sirf,atlas6-audio-codec" }, | |
443 | {} | |
444 | }; | |
445 | MODULE_DEVICE_TABLE(of, sirf_audio_codec_of_match); | |
446 | ||
447 | static const struct regmap_config sirf_audio_codec_regmap_config = { | |
448 | .reg_bits = 32, | |
449 | .reg_stride = 4, | |
450 | .val_bits = 32, | |
b87704ce | 451 | .max_register = AUDIO_PORT_IC_RXFIFO_INT_MSK, |
f516e368 RY |
452 | .cache_type = REGCACHE_NONE, |
453 | }; | |
454 | ||
455 | static int sirf_audio_codec_driver_probe(struct platform_device *pdev) | |
456 | { | |
457 | int ret; | |
458 | struct sirf_audio_codec *sirf_audio_codec; | |
459 | void __iomem *base; | |
460 | struct resource *mem_res; | |
461 | const struct of_device_id *match; | |
462 | ||
463 | match = of_match_node(sirf_audio_codec_of_match, pdev->dev.of_node); | |
464 | ||
465 | sirf_audio_codec = devm_kzalloc(&pdev->dev, | |
466 | sizeof(struct sirf_audio_codec), GFP_KERNEL); | |
467 | if (!sirf_audio_codec) | |
468 | return -ENOMEM; | |
469 | ||
470 | platform_set_drvdata(pdev, sirf_audio_codec); | |
471 | ||
472 | mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); | |
473 | base = devm_ioremap_resource(&pdev->dev, mem_res); | |
474 | if (base == NULL) | |
475 | return -ENOMEM; | |
476 | ||
477 | sirf_audio_codec->regmap = devm_regmap_init_mmio(&pdev->dev, base, | |
478 | &sirf_audio_codec_regmap_config); | |
479 | if (IS_ERR(sirf_audio_codec->regmap)) | |
480 | return PTR_ERR(sirf_audio_codec->regmap); | |
481 | ||
482 | sirf_audio_codec->clk = devm_clk_get(&pdev->dev, NULL); | |
483 | if (IS_ERR(sirf_audio_codec->clk)) { | |
484 | dev_err(&pdev->dev, "Get clock failed.\n"); | |
485 | return PTR_ERR(sirf_audio_codec->clk); | |
486 | } | |
487 | ||
488 | ret = clk_prepare_enable(sirf_audio_codec->clk); | |
489 | if (ret) { | |
490 | dev_err(&pdev->dev, "Enable clock failed.\n"); | |
491 | return ret; | |
492 | } | |
493 | ||
494 | ret = snd_soc_register_codec(&(pdev->dev), | |
495 | &soc_codec_device_sirf_audio_codec, | |
496 | &sirf_audio_codec_dai, 1); | |
497 | if (ret) { | |
498 | dev_err(&pdev->dev, "Register Audio Codec dai failed.\n"); | |
499 | goto err_clk_put; | |
500 | } | |
501 | ||
502 | /* | |
503 | * Always open charge pump, if not, when the charge pump closed the | |
504 | * adc will not stable | |
505 | */ | |
506 | regmap_update_bits(sirf_audio_codec->regmap, AUDIO_IC_CODEC_CTRL0, | |
507 | IC_CPFREQ, IC_CPFREQ); | |
508 | ||
509 | if (of_device_is_compatible(pdev->dev.of_node, "sirf,atlas6-audio-codec")) | |
510 | regmap_update_bits(sirf_audio_codec->regmap, | |
511 | AUDIO_IC_CODEC_CTRL0, IC_CPEN, IC_CPEN); | |
512 | return 0; | |
513 | ||
514 | err_clk_put: | |
515 | clk_disable_unprepare(sirf_audio_codec->clk); | |
516 | return ret; | |
517 | } | |
518 | ||
519 | static int sirf_audio_codec_driver_remove(struct platform_device *pdev) | |
520 | { | |
521 | struct sirf_audio_codec *sirf_audio_codec = platform_get_drvdata(pdev); | |
522 | ||
523 | clk_disable_unprepare(sirf_audio_codec->clk); | |
524 | snd_soc_unregister_codec(&(pdev->dev)); | |
525 | ||
526 | return 0; | |
527 | } | |
528 | ||
529 | #ifdef CONFIG_PM_SLEEP | |
530 | static int sirf_audio_codec_suspend(struct device *dev) | |
531 | { | |
532 | struct sirf_audio_codec *sirf_audio_codec = dev_get_drvdata(dev); | |
533 | ||
534 | regmap_read(sirf_audio_codec->regmap, AUDIO_IC_CODEC_CTRL0, | |
535 | &sirf_audio_codec->reg_ctrl0); | |
536 | regmap_read(sirf_audio_codec->regmap, AUDIO_IC_CODEC_CTRL1, | |
537 | &sirf_audio_codec->reg_ctrl1); | |
538 | clk_disable_unprepare(sirf_audio_codec->clk); | |
539 | ||
540 | return 0; | |
541 | } | |
542 | ||
543 | static int sirf_audio_codec_resume(struct device *dev) | |
544 | { | |
545 | struct sirf_audio_codec *sirf_audio_codec = dev_get_drvdata(dev); | |
546 | int ret; | |
547 | ||
548 | ret = clk_prepare_enable(sirf_audio_codec->clk); | |
549 | if (ret) | |
550 | return ret; | |
551 | ||
552 | regmap_write(sirf_audio_codec->regmap, AUDIO_IC_CODEC_CTRL0, | |
553 | sirf_audio_codec->reg_ctrl0); | |
554 | regmap_write(sirf_audio_codec->regmap, AUDIO_IC_CODEC_CTRL1, | |
555 | sirf_audio_codec->reg_ctrl1); | |
556 | ||
557 | return 0; | |
558 | } | |
559 | #endif | |
560 | ||
561 | static const struct dev_pm_ops sirf_audio_codec_pm_ops = { | |
562 | SET_SYSTEM_SLEEP_PM_OPS(sirf_audio_codec_suspend, sirf_audio_codec_resume) | |
563 | }; | |
564 | ||
565 | static struct platform_driver sirf_audio_codec_driver = { | |
566 | .driver = { | |
567 | .name = "sirf-audio-codec", | |
568 | .owner = THIS_MODULE, | |
569 | .of_match_table = sirf_audio_codec_of_match, | |
570 | .pm = &sirf_audio_codec_pm_ops, | |
571 | }, | |
572 | .probe = sirf_audio_codec_driver_probe, | |
573 | .remove = sirf_audio_codec_driver_remove, | |
574 | }; | |
575 | ||
576 | module_platform_driver(sirf_audio_codec_driver); | |
577 | ||
578 | MODULE_DESCRIPTION("SiRF audio codec driver"); | |
579 | MODULE_AUTHOR("RongJun Ying <Rongjun.Ying@csr.com>"); | |
580 | MODULE_LICENSE("GPL v2"); |