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[openwrt/openwrt.git] / target / linux / brcm2708 / patches-3.14 / 0049-Add-IQaudIO-Sound-Card-support-for-Raspberry-Pi.patch
1 From deaa651db204a6add9cb0189350922625fd1a311 Mon Sep 17 00:00:00 2001
2 From: Gordon Garrity <gordon@iqaudio.com>
3 Date: Sat, 8 Mar 2014 16:56:57 +0000
4 Subject: [PATCH 49/54] Add IQaudIO Sound Card support for Raspberry Pi
5
6 ---
7 arch/arm/configs/bcmrpi_defconfig | 1 +
8 arch/arm/mach-bcm2708/bcm2708.c | 22 ++
9 sound/soc/bcm/Kconfig | 7 +
10 sound/soc/bcm/Makefile | 2 +
11 sound/soc/bcm/iqaudio-dac.c | 111 +++++++
12 sound/soc/codecs/Kconfig | 4 +
13 sound/soc/codecs/Makefile | 2 +
14 sound/soc/codecs/pcm512x.c | 677 ++++++++++++++++++++++++++++++++++++++
15 sound/soc/codecs/pcm512x.h | 142 ++++++++
16 9 files changed, 968 insertions(+)
17 create mode 100644 sound/soc/bcm/iqaudio-dac.c
18 create mode 100644 sound/soc/codecs/pcm512x.c
19 create mode 100644 sound/soc/codecs/pcm512x.h
20
21 diff --git a/arch/arm/configs/bcmrpi_defconfig b/arch/arm/configs/bcmrpi_defconfig
22 index 3d3c8ab..a024670 100644
23 --- a/arch/arm/configs/bcmrpi_defconfig
24 +++ b/arch/arm/configs/bcmrpi_defconfig
25 @@ -750,6 +750,7 @@ CONFIG_SND_BCM2708_SOC_RPI_DAC=m
26 CONFIG_SND_SOC_I2C_AND_SPI=m
27 CONFIG_SND_SOC_PCM5102A=m
28 CONFIG_SND_SOC_PCM1794A=m
29 +CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC=m
30 CONFIG_SOUND_PRIME=m
31 CONFIG_HIDRAW=y
32 CONFIG_HID_A4TECH=m
33 diff --git a/arch/arm/mach-bcm2708/bcm2708.c b/arch/arm/mach-bcm2708/bcm2708.c
34 index beb2eca..95a47fa 100644
35 --- a/arch/arm/mach-bcm2708/bcm2708.c
36 +++ b/arch/arm/mach-bcm2708/bcm2708.c
37 @@ -680,6 +680,22 @@ static struct platform_device snd_pcm1794a_codec_device = {
38 };
39 #endif
40
41 +
42 +#if defined(CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC) || defined(CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC_MODULE)
43 +static struct platform_device snd_rpi_iqaudio_dac_device = {
44 + .name = "snd-rpi-iqaudio-dac",
45 + .id = 0,
46 + .num_resources = 0,
47 +};
48 +
49 +// Use the actual device name rather than generic driver name
50 +static struct i2c_board_info __initdata snd_pcm512x_i2c_devices[] = {
51 + {
52 + I2C_BOARD_INFO("pcm5122", 0x4c)
53 + },
54 +};
55 +#endif
56 +
57 int __init bcm_register_device(struct platform_device *pdev)
58 {
59 int ret;
60 @@ -822,6 +838,12 @@ void __init bcm2708_init(void)
61 bcm_register_device(&snd_pcm1794a_codec_device);
62 #endif
63
64 +#if defined(CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC) || defined(CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC_MODULE)
65 + bcm_register_device(&snd_rpi_iqaudio_dac_device);
66 + i2c_register_board_info(1, snd_pcm512x_i2c_devices, ARRAY_SIZE(snd_pcm512x_i2c_devices));
67 +#endif
68 +
69 +
70 for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
71 struct amba_device *d = amba_devs[i];
72 amba_device_register(d, &iomem_resource);
73 diff --git a/sound/soc/bcm/Kconfig b/sound/soc/bcm/Kconfig
74 index e563dbc..84e4f27 100644
75 --- a/sound/soc/bcm/Kconfig
76 +++ b/sound/soc/bcm/Kconfig
77 @@ -39,3 +39,10 @@ config SND_BCM2708_SOC_RPI_DAC
78 select SND_SOC_PCM1794A
79 help
80 Say Y or M if you want to add support for RPi-DAC.
81 +
82 +config SND_BCM2708_SOC_IQAUDIO_DAC
83 + tristate "Support for IQaudIO-DAC"
84 + depends on SND_BCM2708_SOC_I2S
85 + select SND_SOC_PCM512x
86 + help
87 + Say Y or M if you want to add support for IQaudIO-DAC.
88 diff --git a/sound/soc/bcm/Makefile b/sound/soc/bcm/Makefile
89 index 826df7d..d597fb0 100644
90 --- a/sound/soc/bcm/Makefile
91 +++ b/sound/soc/bcm/Makefile
92 @@ -12,7 +12,9 @@ obj-$(CONFIG_SND_BCM2708_SOC_I2S) += snd-soc-bcm2708-i2s.o
93 snd-soc-hifiberry-dac-objs := hifiberry_dac.o
94 snd-soc-hifiberry-digi-objs := hifiberry_digi.o
95 snd-soc-rpi-dac-objs := rpi-dac.o
96 +snd-soc-iqaudio-dac-objs := iqaudio-dac.o
97
98 obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DAC) += snd-soc-hifiberry-dac.o
99 obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DIGI) += snd-soc-hifiberry-digi.o
100 obj-$(CONFIG_SND_BCM2708_SOC_RPI_DAC) += snd-soc-rpi-dac.o
101 +obj-$(CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC) += snd-soc-iqaudio-dac.o
102 diff --git a/sound/soc/bcm/iqaudio-dac.c b/sound/soc/bcm/iqaudio-dac.c
103 new file mode 100644
104 index 0000000..515f044
105 --- /dev/null
106 +++ b/sound/soc/bcm/iqaudio-dac.c
107 @@ -0,0 +1,111 @@
108 +/*
109 + * ASoC Driver for IQaudIO DAC
110 + *
111 + * Author: Florian Meier <florian.meier@koalo.de>
112 + * Copyright 2013
113 + *
114 + * This program is free software; you can redistribute it and/or
115 + * modify it under the terms of the GNU General Public License
116 + * version 2 as published by the Free Software Foundation.
117 + *
118 + * This program is distributed in the hope that it will be useful, but
119 + * WITHOUT ANY WARRANTY; without even the implied warranty of
120 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
121 + * General Public License for more details.
122 + */
123 +
124 +#include <linux/module.h>
125 +#include <linux/platform_device.h>
126 +
127 +#include <sound/core.h>
128 +#include <sound/pcm.h>
129 +#include <sound/pcm_params.h>
130 +#include <sound/soc.h>
131 +#include <sound/jack.h>
132 +
133 +static int snd_rpi_iqaudio_dac_init(struct snd_soc_pcm_runtime *rtd)
134 +{
135 +// NOT USED struct snd_soc_codec *codec = rtd->codec;
136 +
137 + return 0;
138 +}
139 +
140 +static int snd_rpi_iqaudio_dac_hw_params(struct snd_pcm_substream *substream,
141 + struct snd_pcm_hw_params *params)
142 +{
143 + struct snd_soc_pcm_runtime *rtd = substream->private_data;
144 +// NOT USED struct snd_soc_dai *codec_dai = rtd->codec_dai;
145 +// NOT USED struct snd_soc_codec *codec = rtd->codec;
146 + struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
147 +
148 + unsigned int sample_bits =
149 + snd_pcm_format_physical_width(params_format(params));
150 +
151 + return snd_soc_dai_set_bclk_ratio(cpu_dai, sample_bits * 2);
152 +}
153 +
154 +/* machine stream operations */
155 +static struct snd_soc_ops snd_rpi_iqaudio_dac_ops = {
156 + .hw_params = snd_rpi_iqaudio_dac_hw_params,
157 +};
158 +
159 +static struct snd_soc_dai_link snd_rpi_iqaudio_dac_dai[] = {
160 +{
161 + .name = "IQaudIO DAC",
162 + .stream_name = "IQaudIO DAC HiFi",
163 + .cpu_dai_name = "bcm2708-i2s.0",
164 + .codec_dai_name = "pcm512x-hifi",
165 + .platform_name = "bcm2708-i2s.0",
166 + .codec_name = "pcm512x.1-004c",
167 + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
168 + SND_SOC_DAIFMT_CBS_CFS,
169 + .ops = &snd_rpi_iqaudio_dac_ops,
170 + .init = snd_rpi_iqaudio_dac_init,
171 +},
172 +};
173 +
174 +/* audio machine driver */
175 +static struct snd_soc_card snd_rpi_iqaudio_dac = {
176 + .name = "snd_rpi_iqaudio_dac",
177 + .dai_link = snd_rpi_iqaudio_dac_dai,
178 + .num_links = ARRAY_SIZE(snd_rpi_iqaudio_dac_dai),
179 +};
180 +
181 +static int snd_rpi_iqaudio_dac_probe(struct platform_device *pdev)
182 +{
183 + int ret = 0;
184 +
185 + snd_rpi_iqaudio_dac.dev = &pdev->dev;
186 + ret = snd_soc_register_card(&snd_rpi_iqaudio_dac);
187 + if (ret)
188 + dev_err(&pdev->dev,
189 + "snd_soc_register_card() failed: %d\n", ret);
190 +
191 + return ret;
192 +}
193 +
194 +static int snd_rpi_iqaudio_dac_remove(struct platform_device *pdev)
195 +{
196 + return snd_soc_unregister_card(&snd_rpi_iqaudio_dac);
197 +}
198 +
199 +static const struct of_device_id iqaudio_of_match[] = {
200 + { .compatible = "iqaudio,iqaudio-dac", },
201 + {},
202 +};
203 +
204 +static struct platform_driver snd_rpi_iqaudio_dac_driver = {
205 + .driver = {
206 + .name = "snd-rpi-iqaudio-dac",
207 + .owner = THIS_MODULE,
208 + .of_match_table = iqaudio_of_match,
209 + },
210 + .probe = snd_rpi_iqaudio_dac_probe,
211 + .remove = snd_rpi_iqaudio_dac_remove,
212 +};
213 +
214 +module_platform_driver(snd_rpi_iqaudio_dac_driver);
215 +
216 +MODULE_AUTHOR("Florian Meier <florian.meier@koalo.de>");
217 +MODULE_DESCRIPTION("ASoC Driver for IQAudio DAC");
218 +MODULE_LICENSE("GPL v2");
219 diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
220 index 4d2569e..ac28805 100644
221 --- a/sound/soc/codecs/Kconfig
222 +++ b/sound/soc/codecs/Kconfig
223 @@ -61,6 +61,7 @@ config SND_SOC_ALL_CODECS
224 select SND_SOC_PCM3008
225 select SND_SOC_PCM1794A
226 select SND_SOC_PCM5102A
227 + select SND_SOC_PCM512x if SND_SOC_I2C_AND_SPI
228 select SND_SOC_RT5631 if I2C
229 select SND_SOC_RT5640 if I2C
230 select SND_SOC_SGTL5000 if I2C
231 @@ -321,6 +322,9 @@ config SND_SOC_PCM1794A
232 config SND_SOC_PCM5102A
233 tristate
234
235 +config SND_SOC_PCM512x
236 + tristate
237 +
238 config SND_SOC_RT5631
239 tristate
240
241 diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
242 index 9b806a2..61461c1 100644
243 --- a/sound/soc/codecs/Makefile
244 +++ b/sound/soc/codecs/Makefile
245 @@ -48,6 +48,7 @@ snd-soc-pcm1792a-codec-objs := pcm1792a.o
246 snd-soc-pcm3008-objs := pcm3008.o
247 snd-soc-pcm1794a-objs := pcm1794a.o
248 snd-soc-pcm5102a-objs := pcm5102a.o
249 +snd-soc-pcm512x-objs := pcm512x.o
250 snd-soc-rt5631-objs := rt5631.o
251 snd-soc-rt5640-objs := rt5640.o
252 snd-soc-sgtl5000-objs := sgtl5000.o
253 @@ -183,6 +184,7 @@ obj-$(CONFIG_SND_SOC_PCM1792A) += snd-soc-pcm1792a-codec.o
254 obj-$(CONFIG_SND_SOC_PCM3008) += snd-soc-pcm3008.o
255 obj-$(CONFIG_SND_SOC_PCM1794A) += snd-soc-pcm1794a.o
256 obj-$(CONFIG_SND_SOC_PCM5102A) += snd-soc-pcm5102a.o
257 +obj-$(CONFIG_SND_SOC_PCM512x) += snd-soc-pcm512x.o
258 obj-$(CONFIG_SND_SOC_RT5631) += snd-soc-rt5631.o
259 obj-$(CONFIG_SND_SOC_RT5640) += snd-soc-rt5640.o
260 obj-$(CONFIG_SND_SOC_SGTL5000) += snd-soc-sgtl5000.o
261 diff --git a/sound/soc/codecs/pcm512x.c b/sound/soc/codecs/pcm512x.c
262 new file mode 100644
263 index 0000000..55b6200
264 --- /dev/null
265 +++ b/sound/soc/codecs/pcm512x.c
266 @@ -0,0 +1,677 @@
267 +/*
268 + * Driver for the PCM512x CODECs
269 + *
270 + * Author: Mark Brown <broonie@linaro.org>
271 + * Copyright 2014 Linaro Ltd
272 + *
273 + * This program is free software; you can redistribute it and/or
274 + * modify it under the terms of the GNU General Public License
275 + * version 2 as published by the Free Software Foundation.
276 + *
277 + * This program is distributed in the hope that it will be useful, but
278 + * WITHOUT ANY WARRANTY; without even the implied warranty of
279 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
280 + * General Public License for more details.
281 + */
282 +
283 +
284 +#include <linux/init.h>
285 +#include <linux/module.h>
286 +#include <linux/clk.h>
287 +#include <linux/i2c.h>
288 +#include <linux/pm_runtime.h>
289 +#include <linux/regmap.h>
290 +#include <linux/regulator/consumer.h>
291 +#include <linux/spi/spi.h>
292 +#include <sound/soc.h>
293 +#include <sound/soc-dapm.h>
294 +#include <sound/tlv.h>
295 +
296 +#include "pcm512x.h"
297 +
298 +#define PCM512x_NUM_SUPPLIES 3
299 +static const char *pcm512x_supply_names[PCM512x_NUM_SUPPLIES] = {
300 + "AVDD",
301 + "DVDD",
302 + "CPVDD",
303 +};
304 +
305 +struct pcm512x_priv {
306 + struct regmap *regmap;
307 + struct clk *sclk;
308 + struct regulator_bulk_data supplies[PCM512x_NUM_SUPPLIES];
309 + struct notifier_block supply_nb[PCM512x_NUM_SUPPLIES];
310 +};
311 +
312 +/*
313 + * We can't use the same notifier block for more than one supply and
314 + * there's no way I can see to get from a callback to the caller
315 + * except container_of().
316 + */
317 +#define PCM512x_REGULATOR_EVENT(n) \
318 +static int pcm512x_regulator_event_##n(struct notifier_block *nb, \
319 + unsigned long event, void *data) \
320 +{ \
321 + struct pcm512x_priv *pcm512x = container_of(nb, struct pcm512x_priv, \
322 + supply_nb[n]); \
323 + if (event & REGULATOR_EVENT_DISABLE) { \
324 + regcache_mark_dirty(pcm512x->regmap); \
325 + regcache_cache_only(pcm512x->regmap, true); \
326 + } \
327 + return 0; \
328 +}
329 +
330 +PCM512x_REGULATOR_EVENT(0)
331 +PCM512x_REGULATOR_EVENT(1)
332 +PCM512x_REGULATOR_EVENT(2)
333 +
334 +static const struct reg_default pcm512x_reg_defaults[] = {
335 + { PCM512x_RESET, 0x00 },
336 + { PCM512x_POWER, 0x00 },
337 + { PCM512x_MUTE, 0x00 },
338 + { PCM512x_DSP, 0x00 },
339 + { PCM512x_PLL_REF, 0x00 },
340 + { PCM512x_DAC_ROUTING, 0x11 },
341 + { PCM512x_DSP_PROGRAM, 0x01 },
342 + { PCM512x_CLKDET, 0x00 },
343 + { PCM512x_AUTO_MUTE, 0x00 },
344 + { PCM512x_ERROR_DETECT, 0x00 },
345 + { PCM512x_DIGITAL_VOLUME_1, 0x00 },
346 + { PCM512x_DIGITAL_VOLUME_2, 0x30 },
347 + { PCM512x_DIGITAL_VOLUME_3, 0x30 },
348 + { PCM512x_DIGITAL_MUTE_1, 0x22 },
349 + { PCM512x_DIGITAL_MUTE_2, 0x00 },
350 + { PCM512x_DIGITAL_MUTE_3, 0x07 },
351 +};
352 +
353 +static bool pcm512x_readable(struct device *dev, unsigned int reg)
354 +{
355 + switch (reg) {
356 + case PCM512x_RESET:
357 + case PCM512x_POWER:
358 + case PCM512x_MUTE:
359 + case PCM512x_PLL_EN:
360 + case PCM512x_SPI_MISO_FUNCTION:
361 + case PCM512x_DSP:
362 + case PCM512x_GPIO_EN:
363 + case PCM512x_BCLK_LRCLK_CFG:
364 + case PCM512x_DSP_GPIO_INPUT:
365 + case PCM512x_MASTER_MODE:
366 + case PCM512x_PLL_REF:
367 + case PCM512x_PLL_COEFF_0:
368 + case PCM512x_PLL_COEFF_1:
369 + case PCM512x_PLL_COEFF_2:
370 + case PCM512x_PLL_COEFF_3:
371 + case PCM512x_PLL_COEFF_4:
372 + case PCM512x_DSP_CLKDIV:
373 + case PCM512x_DAC_CLKDIV:
374 + case PCM512x_NCP_CLKDIV:
375 + case PCM512x_OSR_CLKDIV:
376 + case PCM512x_MASTER_CLKDIV_1:
377 + case PCM512x_MASTER_CLKDIV_2:
378 + case PCM512x_FS_SPEED_MODE:
379 + case PCM512x_IDAC_1:
380 + case PCM512x_IDAC_2:
381 + case PCM512x_ERROR_DETECT:
382 + case PCM512x_I2S_1:
383 + case PCM512x_I2S_2:
384 + case PCM512x_DAC_ROUTING:
385 + case PCM512x_DSP_PROGRAM:
386 + case PCM512x_CLKDET:
387 + case PCM512x_AUTO_MUTE:
388 + case PCM512x_DIGITAL_VOLUME_1:
389 + case PCM512x_DIGITAL_VOLUME_2:
390 + case PCM512x_DIGITAL_VOLUME_3:
391 + case PCM512x_DIGITAL_MUTE_1:
392 + case PCM512x_DIGITAL_MUTE_2:
393 + case PCM512x_DIGITAL_MUTE_3:
394 + case PCM512x_GPIO_OUTPUT_1:
395 + case PCM512x_GPIO_OUTPUT_2:
396 + case PCM512x_GPIO_OUTPUT_3:
397 + case PCM512x_GPIO_OUTPUT_4:
398 + case PCM512x_GPIO_OUTPUT_5:
399 + case PCM512x_GPIO_OUTPUT_6:
400 + case PCM512x_GPIO_CONTROL_1:
401 + case PCM512x_GPIO_CONTROL_2:
402 + case PCM512x_OVERFLOW:
403 + case PCM512x_RATE_DET_1:
404 + case PCM512x_RATE_DET_2:
405 + case PCM512x_RATE_DET_3:
406 + case PCM512x_RATE_DET_4:
407 + case PCM512x_ANALOG_MUTE_DET:
408 + case PCM512x_GPIN:
409 + case PCM512x_DIGITAL_MUTE_DET:
410 + return true;
411 + default:
412 + return false;
413 + }
414 +}
415 +
416 +static bool pcm512x_volatile(struct device *dev, unsigned int reg)
417 +{
418 + switch (reg) {
419 + case PCM512x_PLL_EN:
420 + case PCM512x_OVERFLOW:
421 + case PCM512x_RATE_DET_1:
422 + case PCM512x_RATE_DET_2:
423 + case PCM512x_RATE_DET_3:
424 + case PCM512x_RATE_DET_4:
425 + case PCM512x_ANALOG_MUTE_DET:
426 + case PCM512x_GPIN:
427 + case PCM512x_DIGITAL_MUTE_DET:
428 + return true;
429 + default:
430 + return false;
431 + }
432 +}
433 +
434 +static const DECLARE_TLV_DB_SCALE(digital_tlv, -10350, 50, 1);
435 +
436 +static const char *pcm512x_dsp_program_texts[] = {
437 + "FIR interpolation with de-emphasis",
438 + "Low latency IIR with de-emphasis",
439 + "High attenuation with de-emphasis",
440 + "Ringing-less low latency FIR",
441 +};
442 +
443 +static const unsigned int pcm512x_dsp_program_values[] = {
444 + 1,
445 + 2,
446 + 3,
447 + 5,
448 + 7,
449 +};
450 +
451 +static const SOC_VALUE_ENUM_SINGLE_DECL(pcm512x_dsp_program,
452 + PCM512x_DSP_PROGRAM, 0, 0x1f,
453 + pcm512x_dsp_program_texts,
454 + pcm512x_dsp_program_values);
455 +
456 +static const char *pcm512x_clk_missing_text[] = {
457 + "1s", "2s", "3s", "4s", "5s", "6s", "7s", "8s"
458 +};
459 +
460 +static const struct soc_enum pcm512x_clk_missing =
461 + SOC_ENUM_SINGLE(PCM512x_CLKDET, 0, 7, pcm512x_clk_missing_text);
462 +
463 +static const char *pcm512x_autom_text[] = {
464 + "21ms", "106ms", "213ms", "533ms", "1.07s", "2.13s", "5.33s", "10.66s"
465 +};
466 +
467 +static const struct soc_enum pcm512x_autom_l =
468 + SOC_ENUM_SINGLE(PCM512x_AUTO_MUTE, PCM512x_ATML_SHIFT, 7,
469 + pcm512x_autom_text);
470 +
471 +static const struct soc_enum pcm512x_autom_r =
472 + SOC_ENUM_SINGLE(PCM512x_AUTO_MUTE, PCM512x_ATMR_SHIFT, 7,
473 + pcm512x_autom_text);
474 +
475 +static const char *pcm512x_ramp_rate_text[] = {
476 + "1 sample/update", "2 samples/update", "4 samples/update",
477 + "Immediate"
478 +};
479 +
480 +static const struct soc_enum pcm512x_vndf =
481 + SOC_ENUM_SINGLE(PCM512x_DIGITAL_MUTE_1, PCM512x_VNDF_SHIFT, 4,
482 + pcm512x_ramp_rate_text);
483 +
484 +static const struct soc_enum pcm512x_vnuf =
485 + SOC_ENUM_SINGLE(PCM512x_DIGITAL_MUTE_1, PCM512x_VNUF_SHIFT, 4,
486 + pcm512x_ramp_rate_text);
487 +
488 +static const struct soc_enum pcm512x_vedf =
489 + SOC_ENUM_SINGLE(PCM512x_DIGITAL_MUTE_2, PCM512x_VEDF_SHIFT, 4,
490 + pcm512x_ramp_rate_text);
491 +
492 +static const char *pcm512x_ramp_step_text[] = {
493 + "4dB/step", "2dB/step", "1dB/step", "0.5dB/step"
494 +};
495 +
496 +static const struct soc_enum pcm512x_vnds =
497 + SOC_ENUM_SINGLE(PCM512x_DIGITAL_MUTE_1, PCM512x_VNDS_SHIFT, 4,
498 + pcm512x_ramp_step_text);
499 +
500 +static const struct soc_enum pcm512x_vnus =
501 + SOC_ENUM_SINGLE(PCM512x_DIGITAL_MUTE_1, PCM512x_VNUS_SHIFT, 4,
502 + pcm512x_ramp_step_text);
503 +
504 +static const struct soc_enum pcm512x_veds =
505 + SOC_ENUM_SINGLE(PCM512x_DIGITAL_MUTE_2, PCM512x_VEDS_SHIFT, 4,
506 + pcm512x_ramp_step_text);
507 +
508 +static const struct snd_kcontrol_new pcm512x_controls[] = {
509 +SOC_DOUBLE_R_TLV("Playback Digital Volume", PCM512x_DIGITAL_VOLUME_2,
510 + PCM512x_DIGITAL_VOLUME_3, 0, 255, 1, digital_tlv),
511 +SOC_DOUBLE("Playback Digital Switch", PCM512x_MUTE, PCM512x_RQML_SHIFT,
512 + PCM512x_RQMR_SHIFT, 1, 1),
513 +
514 +SOC_SINGLE("Deemphasis Switch", PCM512x_DSP, PCM512x_DEMP_SHIFT, 1, 1),
515 +SOC_VALUE_ENUM("DSP Program", pcm512x_dsp_program),
516 +
517 +SOC_ENUM("Clock Missing Period", pcm512x_clk_missing),
518 +SOC_ENUM("Auto Mute Time Left", pcm512x_autom_l),
519 +SOC_ENUM("Auto Mute Time Right", pcm512x_autom_r),
520 +SOC_SINGLE("Auto Mute Mono Switch", PCM512x_DIGITAL_MUTE_3,
521 + PCM512x_ACTL_SHIFT, 1, 0),
522 +SOC_DOUBLE("Auto Mute Switch", PCM512x_DIGITAL_MUTE_3, PCM512x_AMLE_SHIFT,
523 + PCM512x_AMLR_SHIFT, 1, 0),
524 +
525 +SOC_ENUM("Volume Ramp Down Rate", pcm512x_vndf),
526 +SOC_ENUM("Volume Ramp Down Step", pcm512x_vnds),
527 +SOC_ENUM("Volume Ramp Up Rate", pcm512x_vnuf),
528 +SOC_ENUM("Volume Ramp Up Step", pcm512x_vnus),
529 +SOC_ENUM("Volume Ramp Down Emergency Rate", pcm512x_vedf),
530 +SOC_ENUM("Volume Ramp Down Emergency Step", pcm512x_veds),
531 +};
532 +
533 +static const struct snd_soc_dapm_widget pcm512x_dapm_widgets[] = {
534 +SND_SOC_DAPM_DAC("DACL", NULL, SND_SOC_NOPM, 0, 0),
535 +SND_SOC_DAPM_DAC("DACR", NULL, SND_SOC_NOPM, 0, 0),
536 +
537 +SND_SOC_DAPM_OUTPUT("OUTL"),
538 +SND_SOC_DAPM_OUTPUT("OUTR"),
539 +};
540 +
541 +static const struct snd_soc_dapm_route pcm512x_dapm_routes[] = {
542 + { "DACL", NULL, "Playback" },
543 + { "DACR", NULL, "Playback" },
544 +
545 + { "OUTL", NULL, "DACL" },
546 + { "OUTR", NULL, "DACR" },
547 +};
548 +
549 +static int pcm512x_set_bias_level(struct snd_soc_codec *codec,
550 + enum snd_soc_bias_level level)
551 +{
552 + struct pcm512x_priv *pcm512x = dev_get_drvdata(codec->dev);
553 + int ret;
554 +
555 + switch (level) {
556 + case SND_SOC_BIAS_ON:
557 + case SND_SOC_BIAS_PREPARE:
558 + break;
559 +
560 + case SND_SOC_BIAS_STANDBY:
561 + ret = regmap_update_bits(pcm512x->regmap, PCM512x_POWER,
562 + PCM512x_RQST, 0);
563 + if (ret != 0) {
564 + dev_err(codec->dev, "Failed to remove standby: %d\n",
565 + ret);
566 + return ret;
567 + }
568 + break;
569 +
570 + case SND_SOC_BIAS_OFF:
571 + ret = regmap_update_bits(pcm512x->regmap, PCM512x_POWER,
572 + PCM512x_RQST, PCM512x_RQST);
573 + if (ret != 0) {
574 + dev_err(codec->dev, "Failed to request standby: %d\n",
575 + ret);
576 + return ret;
577 + }
578 + break;
579 + }
580 +
581 + codec->dapm.bias_level = level;
582 +
583 + return 0;
584 +}
585 +
586 +static struct snd_soc_dai_driver pcm512x_dai = {
587 + .name = "pcm512x-hifi",
588 + .playback = {
589 + .stream_name = "Playback",
590 + .channels_min = 2,
591 + .channels_max = 2,
592 + .rates = SNDRV_PCM_RATE_8000_192000,
593 + .formats = SNDRV_PCM_FMTBIT_S16_LE |
594 + SNDRV_PCM_FMTBIT_S24_LE |
595 + SNDRV_PCM_FMTBIT_S32_LE
596 + },
597 +};
598 +
599 +static struct snd_soc_codec_driver pcm512x_codec_driver = {
600 + .set_bias_level = pcm512x_set_bias_level,
601 + .idle_bias_off = true,
602 +
603 + .controls = pcm512x_controls,
604 + .num_controls = ARRAY_SIZE(pcm512x_controls),
605 + .dapm_widgets = pcm512x_dapm_widgets,
606 + .num_dapm_widgets = ARRAY_SIZE(pcm512x_dapm_widgets),
607 + .dapm_routes = pcm512x_dapm_routes,
608 + .num_dapm_routes = ARRAY_SIZE(pcm512x_dapm_routes),
609 +};
610 +
611 +static const struct regmap_config pcm512x_regmap = {
612 + .reg_bits = 8,
613 + .val_bits = 8,
614 +
615 + .readable_reg = pcm512x_readable,
616 + .volatile_reg = pcm512x_volatile,
617 +
618 + .max_register = PCM512x_MAX_REGISTER,
619 + .reg_defaults = pcm512x_reg_defaults,
620 + .num_reg_defaults = ARRAY_SIZE(pcm512x_reg_defaults),
621 + .cache_type = REGCACHE_RBTREE,
622 +};
623 +
624 +static const struct of_device_id pcm512x_of_match[] = {
625 + { .compatible = "ti,pcm5121", },
626 + { .compatible = "ti,pcm5122", },
627 + { }
628 +};
629 +MODULE_DEVICE_TABLE(of, pcm512x_of_match);
630 +
631 +static int pcm512x_probe(struct device *dev, struct regmap *regmap)
632 +{
633 + struct pcm512x_priv *pcm512x;
634 + int i, ret;
635 +
636 + pcm512x = devm_kzalloc(dev, sizeof(struct pcm512x_priv), GFP_KERNEL);
637 + if (!pcm512x)
638 + return -ENOMEM;
639 +
640 + dev_set_drvdata(dev, pcm512x);
641 + pcm512x->regmap = regmap;
642 +
643 + for (i = 0; i < ARRAY_SIZE(pcm512x->supplies); i++)
644 + pcm512x->supplies[i].supply = pcm512x_supply_names[i];
645 +
646 + ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(pcm512x->supplies),
647 + pcm512x->supplies);
648 + if (ret != 0) {
649 + dev_err(dev, "Failed to get supplies: %d\n", ret);
650 + return ret;
651 + }
652 +
653 + pcm512x->supply_nb[0].notifier_call = pcm512x_regulator_event_0;
654 + pcm512x->supply_nb[1].notifier_call = pcm512x_regulator_event_1;
655 + pcm512x->supply_nb[2].notifier_call = pcm512x_regulator_event_2;
656 +
657 + for (i = 0; i < ARRAY_SIZE(pcm512x->supplies); i++) {
658 + ret = regulator_register_notifier(pcm512x->supplies[i].consumer,
659 + &pcm512x->supply_nb[i]);
660 + if (ret != 0) {
661 + dev_err(dev,
662 + "Failed to register regulator notifier: %d\n",
663 + ret);
664 + }
665 + }
666 +
667 + ret = regulator_bulk_enable(ARRAY_SIZE(pcm512x->supplies),
668 + pcm512x->supplies);
669 + if (ret != 0) {
670 + dev_err(dev, "Failed to enable supplies: %d\n", ret);
671 + return ret;
672 + }
673 +
674 + /* Reset the device, verifying I/O in the process for I2C */
675 + ret = regmap_write(regmap, PCM512x_RESET,
676 + PCM512x_RSTM | PCM512x_RSTR);
677 + if (ret != 0) {
678 + dev_err(dev, "Failed to reset device: %d\n", ret);
679 + goto err;
680 + }
681 +
682 + ret = regmap_write(regmap, PCM512x_RESET, 0);
683 + if (ret != 0) {
684 + dev_err(dev, "Failed to reset device: %d\n", ret);
685 + goto err;
686 + }
687 +
688 + pcm512x->sclk = devm_clk_get(dev, NULL);
689 + if (IS_ERR(pcm512x->sclk)) {
690 + if (PTR_ERR(pcm512x->sclk) == -EPROBE_DEFER)
691 + return -EPROBE_DEFER;
692 +
693 + dev_info(dev, "No SCLK, using BCLK: %ld\n",
694 + PTR_ERR(pcm512x->sclk));
695 +
696 + /* Disable reporting of missing SCLK as an error */
697 + regmap_update_bits(regmap, PCM512x_ERROR_DETECT,
698 + PCM512x_IDCH, PCM512x_IDCH);
699 +
700 + /* Switch PLL input to BCLK */
701 + regmap_update_bits(regmap, PCM512x_PLL_REF,
702 + PCM512x_SREF, PCM512x_SREF);
703 + } else {
704 + ret = clk_prepare_enable(pcm512x->sclk);
705 + if (ret != 0) {
706 + dev_err(dev, "Failed to enable SCLK: %d\n", ret);
707 + return ret;
708 + }
709 + }
710 +
711 + /* Default to standby mode */
712 + ret = regmap_update_bits(pcm512x->regmap, PCM512x_POWER,
713 + PCM512x_RQST, PCM512x_RQST);
714 + if (ret != 0) {
715 + dev_err(dev, "Failed to request standby: %d\n",
716 + ret);
717 + goto err_clk;
718 + }
719 +
720 + pm_runtime_set_active(dev);
721 + pm_runtime_enable(dev);
722 + pm_runtime_idle(dev);
723 +
724 + ret = snd_soc_register_codec(dev, &pcm512x_codec_driver,
725 + &pcm512x_dai, 1);
726 + if (ret != 0) {
727 + dev_err(dev, "Failed to register CODEC: %d\n", ret);
728 + goto err_pm;
729 + }
730 +
731 + dev_info(dev, "Completed initialisation - pcm512x_probe");
732 +
733 + return 0;
734 +
735 +err_pm:
736 + pm_runtime_disable(dev);
737 +err_clk:
738 + if (!IS_ERR(pcm512x->sclk))
739 + clk_disable_unprepare(pcm512x->sclk);
740 +err:
741 + regulator_bulk_disable(ARRAY_SIZE(pcm512x->supplies),
742 + pcm512x->supplies);
743 + return ret;
744 +}
745 +
746 +static void pcm512x_remove(struct device *dev)
747 +{
748 + struct pcm512x_priv *pcm512x = dev_get_drvdata(dev);
749 +
750 + snd_soc_unregister_codec(dev);
751 + pm_runtime_disable(dev);
752 + if (!IS_ERR(pcm512x->sclk))
753 + clk_disable_unprepare(pcm512x->sclk);
754 + regulator_bulk_disable(ARRAY_SIZE(pcm512x->supplies),
755 + pcm512x->supplies);
756 +}
757 +
758 +/* TODO
759 +static int pcm512x_suspend(struct device *dev)
760 +{
761 + struct pcm512x_priv *pcm512x = dev_get_drvdata(dev);
762 + int ret;
763 +
764 + ret = regmap_update_bits(pcm512x->regmap, PCM512x_POWER,
765 + PCM512x_RQPD, PCM512x_RQPD);
766 + if (ret != 0) {
767 + dev_err(dev, "Failed to request power down: %d\n", ret);
768 + return ret;
769 + }
770 +
771 + ret = regulator_bulk_disable(ARRAY_SIZE(pcm512x->supplies),
772 + pcm512x->supplies);
773 + if (ret != 0) {
774 + dev_err(dev, "Failed to disable supplies: %d\n", ret);
775 + return ret;
776 + }
777 +
778 + if (!IS_ERR(pcm512x->sclk))
779 + clk_disable_unprepare(pcm512x->sclk);
780 +
781 + return 0;
782 +}
783 +
784 +static int pcm512x_resume(struct device *dev)
785 +{
786 + struct pcm512x_priv *pcm512x = dev_get_drvdata(dev);
787 + int ret;
788 +
789 + if (!IS_ERR(pcm512x->sclk)) {
790 + ret = clk_prepare_enable(pcm512x->sclk);
791 + if (ret != 0) {
792 + dev_err(dev, "Failed to enable SCLK: %d\n", ret);
793 + return ret;
794 + }
795 + }
796 +
797 + ret = regulator_bulk_enable(ARRAY_SIZE(pcm512x->supplies),
798 + pcm512x->supplies);
799 + if (ret != 0) {
800 + dev_err(dev, "Failed to enable supplies: %d\n", ret);
801 + return ret;
802 + }
803 +
804 + regcache_cache_only(pcm512x->regmap, false);
805 + ret = regcache_sync(pcm512x->regmap);
806 + if (ret != 0) {
807 + dev_err(dev, "Failed to sync cache: %d\n", ret);
808 + return ret;
809 + }
810 +
811 + ret = regmap_update_bits(pcm512x->regmap, PCM512x_POWER,
812 + PCM512x_RQPD, 0);
813 + if (ret != 0) {
814 + dev_err(dev, "Failed to remove power down: %d\n", ret);
815 + return ret;
816 + }
817 +
818 + return 0;
819 +}
820 +
821 +// END OF PCM512x_suspend and resume calls TODO
822 +*/
823 +
824 +static const struct dev_pm_ops pcm512x_pm_ops = {
825 + SET_RUNTIME_PM_OPS(pcm512x_suspend, pcm512x_resume, NULL)
826 +};
827 +
828 +#if IS_ENABLED(CONFIG_I2C)
829 +static int pcm512x_i2c_probe(struct i2c_client *i2c,
830 + const struct i2c_device_id *id)
831 +{
832 + struct regmap *regmap;
833 +
834 + regmap = devm_regmap_init_i2c(i2c, &pcm512x_regmap);
835 + if (IS_ERR(regmap))
836 + return PTR_ERR(regmap);
837 +
838 + return pcm512x_probe(&i2c->dev, regmap);
839 +}
840 +
841 +static int pcm512x_i2c_remove(struct i2c_client *i2c)
842 +{
843 + pcm512x_remove(&i2c->dev);
844 + return 0;
845 +}
846 +
847 +static const struct i2c_device_id pcm512x_i2c_id[] = {
848 + { "pcm5121", },
849 + { "pcm5122", },
850 + { }
851 +};
852 +MODULE_DEVICE_TABLE(i2c, pcm512x_i2c_id);
853 +
854 +static struct i2c_driver pcm512x_i2c_driver = {
855 + .probe = pcm512x_i2c_probe,
856 + .remove = pcm512x_i2c_remove,
857 + .id_table = pcm512x_i2c_id,
858 + .driver = {
859 + .name = "pcm512x",
860 + .owner = THIS_MODULE,
861 + .of_match_table = pcm512x_of_match,
862 + .pm = &pcm512x_pm_ops,
863 + },
864 +};
865 +#endif
866 +
867 +#if defined(CONFIG_SPI_MASTER)
868 +static int pcm512x_spi_probe(struct spi_device *spi)
869 +{
870 + struct regmap *regmap;
871 + int ret;
872 +
873 + regmap = devm_regmap_init_spi(spi, &pcm512x_regmap);
874 + if (IS_ERR(regmap)) {
875 + ret = PTR_ERR(regmap);
876 + return ret;
877 + }
878 +
879 + return pcm512x_probe(&spi->dev, regmap);
880 +}
881 +
882 +static int pcm512x_spi_remove(struct spi_device *spi)
883 +{
884 + pcm512x_remove(&spi->dev);
885 + return 0;
886 +}
887 +
888 +static const struct spi_device_id pcm512x_spi_id[] = {
889 + { "pcm5121", },
890 + { "pcm5122", },
891 + { },
892 +};
893 +MODULE_DEVICE_TABLE(spi, pcm512x_spi_id);
894 +
895 +static struct spi_driver pcm512x_spi_driver = {
896 + .probe = pcm512x_spi_probe,
897 + .remove = pcm512x_spi_remove,
898 + .id_table = pcm512x_spi_id,
899 + .driver = {
900 + .name = "pcm512x",
901 + .owner = THIS_MODULE,
902 + .of_match_table = pcm512x_of_match,
903 + .pm = &pcm512x_pm_ops,
904 + },
905 +};
906 +#endif
907 +
908 +static int __init pcm512x_modinit(void)
909 +{
910 + int ret = 0;
911 +
912 +#if IS_ENABLED(CONFIG_I2C)
913 + ret = i2c_add_driver(&pcm512x_i2c_driver);
914 + if (ret) {
915 + printk(KERN_ERR "Failed to register pcm512x I2C driver: %d\n",
916 + ret);
917 + }
918 +#endif
919 +#if defined(CONFIG_SPI_MASTER)
920 + ret = spi_register_driver(&pcm512x_spi_driver);
921 + if (ret != 0) {
922 + printk(KERN_ERR "Failed to register pcm512x SPI driver: %d\n",
923 + ret);
924 + }
925 +#endif
926 + return ret;
927 +}
928 +module_init(pcm512x_modinit);
929 +
930 +static void __exit pcm512x_exit(void)
931 +{
932 +#if IS_ENABLED(CONFIG_I2C)
933 + i2c_del_driver(&pcm512x_i2c_driver);
934 +#endif
935 +#if defined(CONFIG_SPI_MASTER)
936 + spi_unregister_driver(&pcm512x_spi_driver);
937 +#endif
938 +}
939 +module_exit(pcm512x_exit);
940 +
941 +MODULE_DESCRIPTION("ASoC PCM512x codec driver");
942 +MODULE_AUTHOR("Mark Brown <broonie@linaro.org>");
943 +MODULE_LICENSE("GPL v2");
944 diff --git a/sound/soc/codecs/pcm512x.h b/sound/soc/codecs/pcm512x.h
945 new file mode 100644
946 index 0000000..b2f518e
947 --- /dev/null
948 +++ b/sound/soc/codecs/pcm512x.h
949 @@ -0,0 +1,142 @@
950 +/*
951 + * Driver for the PCM512x CODECs
952 + *
953 + * Author: Mark Brown <broonie@linaro.org>
954 + * Copyright 2014 Linaro Ltd
955 + *
956 + * This program is free software; you can redistribute it and/or
957 + * modify it under the terms of the GNU General Public License
958 + * version 2 as published by the Free Software Foundation.
959 + *
960 + * This program is distributed in the hope that it will be useful, but
961 + * WITHOUT ANY WARRANTY; without even the implied warranty of
962 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
963 + * General Public License for more details.
964 + */
965 +
966 +#ifndef _SND_SOC_PCM512X
967 +#define _SND_SOC_PCM512X
968 +
969 +#define PCM512x_PAGE_0_BASE 0
970 +
971 +#define PCM512x_PAGE 0
972 +
973 +#define PCM512x_RESET (PCM512x_PAGE_0_BASE + 1)
974 +#define PCM512x_POWER (PCM512x_PAGE_0_BASE + 2)
975 +#define PCM512x_MUTE (PCM512x_PAGE_0_BASE + 3)
976 +#define PCM512x_PLL_EN (PCM512x_PAGE_0_BASE + 4)
977 +#define PCM512x_SPI_MISO_FUNCTION (PCM512x_PAGE_0_BASE + 6)
978 +#define PCM512x_DSP (PCM512x_PAGE_0_BASE + 7)
979 +#define PCM512x_GPIO_EN (PCM512x_PAGE_0_BASE + 8)
980 +#define PCM512x_BCLK_LRCLK_CFG (PCM512x_PAGE_0_BASE + 9)
981 +#define PCM512x_DSP_GPIO_INPUT (PCM512x_PAGE_0_BASE + 10)
982 +#define PCM512x_MASTER_MODE (PCM512x_PAGE_0_BASE + 12)
983 +#define PCM512x_PLL_REF (PCM512x_PAGE_0_BASE + 13)
984 +#define PCM512x_PLL_COEFF_0 (PCM512x_PAGE_0_BASE + 20)
985 +#define PCM512x_PLL_COEFF_1 (PCM512x_PAGE_0_BASE + 21)
986 +#define PCM512x_PLL_COEFF_2 (PCM512x_PAGE_0_BASE + 22)
987 +#define PCM512x_PLL_COEFF_3 (PCM512x_PAGE_0_BASE + 23)
988 +#define PCM512x_PLL_COEFF_4 (PCM512x_PAGE_0_BASE + 24)
989 +#define PCM512x_DSP_CLKDIV (PCM512x_PAGE_0_BASE + 27)
990 +#define PCM512x_DAC_CLKDIV (PCM512x_PAGE_0_BASE + 28)
991 +#define PCM512x_NCP_CLKDIV (PCM512x_PAGE_0_BASE + 29)
992 +#define PCM512x_OSR_CLKDIV (PCM512x_PAGE_0_BASE + 30)
993 +#define PCM512x_MASTER_CLKDIV_1 (PCM512x_PAGE_0_BASE + 32)
994 +#define PCM512x_MASTER_CLKDIV_2 (PCM512x_PAGE_0_BASE + 33)
995 +#define PCM512x_FS_SPEED_MODE (PCM512x_PAGE_0_BASE + 34)
996 +#define PCM512x_IDAC_1 (PCM512x_PAGE_0_BASE + 35)
997 +#define PCM512x_IDAC_2 (PCM512x_PAGE_0_BASE + 36)
998 +#define PCM512x_ERROR_DETECT (PCM512x_PAGE_0_BASE + 37)
999 +#define PCM512x_I2S_1 (PCM512x_PAGE_0_BASE + 40)
1000 +#define PCM512x_I2S_2 (PCM512x_PAGE_0_BASE + 41)
1001 +#define PCM512x_DAC_ROUTING (PCM512x_PAGE_0_BASE + 42)
1002 +#define PCM512x_DSP_PROGRAM (PCM512x_PAGE_0_BASE + 43)
1003 +#define PCM512x_CLKDET (PCM512x_PAGE_0_BASE + 44)
1004 +#define PCM512x_AUTO_MUTE (PCM512x_PAGE_0_BASE + 59)
1005 +#define PCM512x_DIGITAL_VOLUME_1 (PCM512x_PAGE_0_BASE + 60)
1006 +#define PCM512x_DIGITAL_VOLUME_2 (PCM512x_PAGE_0_BASE + 61)
1007 +#define PCM512x_DIGITAL_VOLUME_3 (PCM512x_PAGE_0_BASE + 62)
1008 +#define PCM512x_DIGITAL_MUTE_1 (PCM512x_PAGE_0_BASE + 63)
1009 +#define PCM512x_DIGITAL_MUTE_2 (PCM512x_PAGE_0_BASE + 64)
1010 +#define PCM512x_DIGITAL_MUTE_3 (PCM512x_PAGE_0_BASE + 65)
1011 +#define PCM512x_GPIO_OUTPUT_1 (PCM512x_PAGE_0_BASE + 80)
1012 +#define PCM512x_GPIO_OUTPUT_2 (PCM512x_PAGE_0_BASE + 81)
1013 +#define PCM512x_GPIO_OUTPUT_3 (PCM512x_PAGE_0_BASE + 82)
1014 +#define PCM512x_GPIO_OUTPUT_4 (PCM512x_PAGE_0_BASE + 83)
1015 +#define PCM512x_GPIO_OUTPUT_5 (PCM512x_PAGE_0_BASE + 84)
1016 +#define PCM512x_GPIO_OUTPUT_6 (PCM512x_PAGE_0_BASE + 85)
1017 +#define PCM512x_GPIO_CONTROL_1 (PCM512x_PAGE_0_BASE + 86)
1018 +#define PCM512x_GPIO_CONTROL_2 (PCM512x_PAGE_0_BASE + 87)
1019 +#define PCM512x_OVERFLOW (PCM512x_PAGE_0_BASE + 90)
1020 +#define PCM512x_RATE_DET_1 (PCM512x_PAGE_0_BASE + 91)
1021 +#define PCM512x_RATE_DET_2 (PCM512x_PAGE_0_BASE + 92)
1022 +#define PCM512x_RATE_DET_3 (PCM512x_PAGE_0_BASE + 93)
1023 +#define PCM512x_RATE_DET_4 (PCM512x_PAGE_0_BASE + 94)
1024 +#define PCM512x_ANALOG_MUTE_DET (PCM512x_PAGE_0_BASE + 108)
1025 +#define PCM512x_GPIN (PCM512x_PAGE_0_BASE + 119)
1026 +#define PCM512x_DIGITAL_MUTE_DET (PCM512x_PAGE_0_BASE + 120)
1027 +
1028 +#define PCM512x_MAX_REGISTER (PCM512x_PAGE_0_BASE + 120)
1029 +
1030 +/* Page 0, Register 1 - reset */
1031 +#define PCM512x_RSTR (1 << 0)
1032 +#define PCM512x_RSTM (1 << 4)
1033 +
1034 +/* Page 0, Register 2 - power */
1035 +#define PCM512x_RQPD (1 << 0)
1036 +#define PCM512x_RQPD_SHIFT 0
1037 +#define PCM512x_RQST (1 << 4)
1038 +#define PCM512x_RQST_SHIFT 4
1039 +
1040 +/* Page 0, Register 3 - mute */
1041 +#define PCM512x_RQMR_SHIFT 0
1042 +#define PCM512x_RQML_SHIFT 4
1043 +
1044 +/* Page 0, Register 4 - PLL */
1045 +#define PCM512x_PLCE (1 << 0)
1046 +#define PCM512x_RLCE_SHIFT 0
1047 +#define PCM512x_PLCK (1 << 4)
1048 +#define PCM512x_PLCK_SHIFT 4
1049 +
1050 +/* Page 0, Register 7 - DSP */
1051 +#define PCM512x_SDSL (1 << 0)
1052 +#define PCM512x_SDSL_SHIFT 0
1053 +#define PCM512x_DEMP (1 << 4)
1054 +#define PCM512x_DEMP_SHIFT 4
1055 +
1056 +/* Page 0, Register 13 - PLL reference */
1057 +#define PCM512x_SREF (1 << 4)
1058 +
1059 +/* Page 0, Register 37 - Error detection */
1060 +#define PCM512x_IPLK (1 << 0)
1061 +#define PCM512x_DCAS (1 << 1)
1062 +#define PCM512x_IDCM (1 << 2)
1063 +#define PCM512x_IDCH (1 << 3)
1064 +#define PCM512x_IDSK (1 << 4)
1065 +#define PCM512x_IDBK (1 << 5)
1066 +#define PCM512x_IDFS (1 << 6)
1067 +
1068 +/* Page 0, Register 42 - DAC routing */
1069 +#define PCM512x_AUPR_SHIFT 0
1070 +#define PCM512x_AUPL_SHIFT 4
1071 +
1072 +/* Page 0, Register 59 - auto mute */
1073 +#define PCM512x_ATMR_SHIFT 0
1074 +#define PCM512x_ATML_SHIFT 4
1075 +
1076 +/* Page 0, Register 63 - ramp rates */
1077 +#define PCM512x_VNDF_SHIFT 6
1078 +#define PCM512x_VNDS_SHIFT 4
1079 +#define PCM512x_VNUF_SHIFT 2
1080 +#define PCM512x_VNUS_SHIFT 0
1081 +
1082 +/* Page 0, Register 64 - emergency ramp rates */
1083 +#define PCM512x_VEDF_SHIFT 6
1084 +#define PCM512x_VEDS_SHIFT 4
1085 +
1086 +/* Page 0, Register 65 - Digital mute enables */
1087 +#define PCM512x_ACTL_SHIFT 2
1088 +#define PCM512x_AMLE_SHIFT 1
1089 +#define PCM512x_AMLR_SHIFT 0
1090 +
1091 +#endif
1092 --
1093 1.9.1
1094
OpenWrt Source Repository