2 * byt_cr_dpcm_rt5640.c - ASoc Machine driver for Intel Byt CR platform
4 * Copyright (C) 2014 Intel Corp
5 * Author: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
6 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; version 2 of the License.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
17 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
20 #include <linux/init.h>
21 #include <linux/module.h>
22 #include <linux/platform_device.h>
23 #include <linux/acpi.h>
24 #include <linux/device.h>
25 #include <linux/dmi.h>
26 #include <linux/slab.h>
27 #include <sound/pcm.h>
28 #include <sound/pcm_params.h>
29 #include <sound/soc.h>
30 #include <sound/jack.h>
31 #include "../../codecs/rt5640.h"
32 #include "../atom/sst-atom-controls.h"
33 #include "../common/sst-acpi.h"
41 #define BYT_RT5640_MAP(quirk) ((quirk) & 0xff)
42 #define BYT_RT5640_DMIC_EN BIT(16)
44 static unsigned long byt_rt5640_quirk = BYT_RT5640_DMIC1_MAP |
47 static const struct snd_soc_dapm_widget byt_rt5640_widgets[] = {
48 SND_SOC_DAPM_HP("Headphone", NULL),
49 SND_SOC_DAPM_MIC("Headset Mic", NULL),
50 SND_SOC_DAPM_MIC("Internal Mic", NULL),
51 SND_SOC_DAPM_SPK("Speaker", NULL),
54 static const struct snd_soc_dapm_route byt_rt5640_audio_map[] = {
55 {"AIF1 Playback", NULL, "ssp2 Tx"},
56 {"ssp2 Tx", NULL, "codec_out0"},
57 {"ssp2 Tx", NULL, "codec_out1"},
58 {"codec_in0", NULL, "ssp2 Rx"},
59 {"codec_in1", NULL, "ssp2 Rx"},
60 {"ssp2 Rx", NULL, "AIF1 Capture"},
62 {"Headset Mic", NULL, "MICBIAS1"},
63 {"IN2P", NULL, "Headset Mic"},
64 {"Headphone", NULL, "HPOL"},
65 {"Headphone", NULL, "HPOR"},
66 {"Speaker", NULL, "SPOLP"},
67 {"Speaker", NULL, "SPOLN"},
68 {"Speaker", NULL, "SPORP"},
69 {"Speaker", NULL, "SPORN"},
72 static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic1_map[] = {
73 {"DMIC1", NULL, "Internal Mic"},
76 static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic2_map[] = {
77 {"DMIC2", NULL, "Internal Mic"},
80 static const struct snd_soc_dapm_route byt_rt5640_intmic_in1_map[] = {
81 {"Internal Mic", NULL, "MICBIAS1"},
82 {"IN1P", NULL, "Internal Mic"},
85 static const struct snd_kcontrol_new byt_rt5640_controls[] = {
86 SOC_DAPM_PIN_SWITCH("Headphone"),
87 SOC_DAPM_PIN_SWITCH("Headset Mic"),
88 SOC_DAPM_PIN_SWITCH("Internal Mic"),
89 SOC_DAPM_PIN_SWITCH("Speaker"),
92 static int byt_rt5640_aif1_hw_params(struct snd_pcm_substream *substream,
93 struct snd_pcm_hw_params *params)
95 struct snd_soc_pcm_runtime *rtd = substream->private_data;
96 struct snd_soc_dai *codec_dai = rtd->codec_dai;
99 snd_soc_dai_set_bclk_ratio(codec_dai, 50);
101 ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_PLL1,
102 params_rate(params) * 512,
105 dev_err(rtd->dev, "can't set codec clock %d\n", ret);
109 ret = snd_soc_dai_set_pll(codec_dai, 0, RT5640_PLL1_S_BCLK1,
110 params_rate(params) * 50,
111 params_rate(params) * 512);
113 dev_err(rtd->dev, "can't set codec pll: %d\n", ret);
120 static int byt_rt5640_quirk_cb(const struct dmi_system_id *id)
122 byt_rt5640_quirk = (unsigned long)id->driver_data;
126 static const struct dmi_system_id byt_rt5640_quirk_table[] = {
128 .callback = byt_rt5640_quirk_cb,
130 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
131 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TA"),
133 .driver_data = (unsigned long *)BYT_RT5640_IN1_MAP,
136 .callback = byt_rt5640_quirk_cb,
138 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
139 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TAF"),
141 .driver_data = (unsigned long *)BYT_RT5640_IN1_MAP,
144 .callback = byt_rt5640_quirk_cb,
146 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "DellInc."),
147 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Venue 8 Pro 5830"),
149 .driver_data = (unsigned long *)(BYT_RT5640_DMIC2_MAP |
153 .callback = byt_rt5640_quirk_cb,
155 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
156 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "HP ElitePad 1000 G2"),
158 .driver_data = (unsigned long *)BYT_RT5640_IN1_MAP,
163 static int byt_rt5640_init(struct snd_soc_pcm_runtime *runtime)
166 struct snd_soc_codec *codec = runtime->codec;
167 struct snd_soc_card *card = runtime->card;
168 const struct snd_soc_dapm_route *custom_map;
171 card->dapm.idle_bias_off = true;
173 rt5640_sel_asrc_clk_src(codec,
174 RT5640_DA_STEREO_FILTER |
175 RT5640_AD_STEREO_FILTER,
176 RT5640_CLK_SEL_ASRC);
178 ret = snd_soc_add_card_controls(card, byt_rt5640_controls,
179 ARRAY_SIZE(byt_rt5640_controls));
181 dev_err(card->dev, "unable to add card controls\n");
185 switch (BYT_RT5640_MAP(byt_rt5640_quirk)) {
186 case BYT_RT5640_IN1_MAP:
187 custom_map = byt_rt5640_intmic_in1_map;
188 num_routes = ARRAY_SIZE(byt_rt5640_intmic_in1_map);
190 case BYT_RT5640_DMIC2_MAP:
191 custom_map = byt_rt5640_intmic_dmic2_map;
192 num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic2_map);
195 custom_map = byt_rt5640_intmic_dmic1_map;
196 num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic1_map);
199 ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);
203 if (byt_rt5640_quirk & BYT_RT5640_DMIC_EN) {
204 ret = rt5640_dmic_enable(codec, 0, 0);
209 snd_soc_dapm_ignore_suspend(&card->dapm, "Headphone");
210 snd_soc_dapm_ignore_suspend(&card->dapm, "Speaker");
215 static const struct snd_soc_pcm_stream byt_rt5640_dai_params = {
216 .formats = SNDRV_PCM_FMTBIT_S24_LE,
223 static int byt_rt5640_codec_fixup(struct snd_soc_pcm_runtime *rtd,
224 struct snd_pcm_hw_params *params)
226 struct snd_interval *rate = hw_param_interval(params,
227 SNDRV_PCM_HW_PARAM_RATE);
228 struct snd_interval *channels = hw_param_interval(params,
229 SNDRV_PCM_HW_PARAM_CHANNELS);
232 /* The DSP will covert the FE rate to 48k, stereo, 24bits */
233 rate->min = rate->max = 48000;
234 channels->min = channels->max = 2;
236 /* set SSP2 to 24-bit */
237 params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
240 * Default mode for SSP configuration is TDM 4 slot, override config
241 * with explicit setting to I2S 2ch 24-bit. The word length is set with
242 * dai_set_tdm_slot() since there is no other API exposed
244 ret = snd_soc_dai_set_fmt(rtd->cpu_dai,
246 SND_SOC_DAIFMT_NB_IF |
247 SND_SOC_DAIFMT_CBS_CFS
250 dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
254 ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 24);
256 dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
263 static int byt_rt5640_aif1_startup(struct snd_pcm_substream *substream)
265 return snd_pcm_hw_constraint_single(substream->runtime,
266 SNDRV_PCM_HW_PARAM_RATE, 48000);
269 static struct snd_soc_ops byt_rt5640_aif1_ops = {
270 .startup = byt_rt5640_aif1_startup,
273 static struct snd_soc_ops byt_rt5640_be_ssp2_ops = {
274 .hw_params = byt_rt5640_aif1_hw_params,
277 static struct snd_soc_dai_link byt_rt5640_dais[] = {
278 [MERR_DPCM_AUDIO] = {
279 .name = "Baytrail Audio Port",
280 .stream_name = "Baytrail Audio",
281 .cpu_dai_name = "media-cpu-dai",
282 .codec_dai_name = "snd-soc-dummy-dai",
283 .codec_name = "snd-soc-dummy",
284 .platform_name = "sst-mfld-platform",
289 .ops = &byt_rt5640_aif1_ops,
291 [MERR_DPCM_DEEP_BUFFER] = {
292 .name = "Deep-Buffer Audio Port",
293 .stream_name = "Deep-Buffer Audio",
294 .cpu_dai_name = "deepbuffer-cpu-dai",
295 .codec_dai_name = "snd-soc-dummy-dai",
296 .codec_name = "snd-soc-dummy",
297 .platform_name = "sst-mfld-platform",
302 .ops = &byt_rt5640_aif1_ops,
304 [MERR_DPCM_COMPR] = {
305 .name = "Baytrail Compressed Port",
306 .stream_name = "Baytrail Compress",
307 .cpu_dai_name = "compress-cpu-dai",
308 .codec_dai_name = "snd-soc-dummy-dai",
309 .codec_name = "snd-soc-dummy",
310 .platform_name = "sst-mfld-platform",
314 .name = "SSP2-Codec",
316 .cpu_dai_name = "ssp2-port",
317 .platform_name = "sst-mfld-platform",
319 .codec_dai_name = "rt5640-aif1",
320 .codec_name = "i2c-10EC5640:00", /* overwritten with HID */
321 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
322 | SND_SOC_DAIFMT_CBS_CFS,
323 .be_hw_params_fixup = byt_rt5640_codec_fixup,
327 .init = byt_rt5640_init,
328 .ops = &byt_rt5640_be_ssp2_ops,
333 static struct snd_soc_card byt_rt5640_card = {
334 .name = "bytcr-rt5640",
335 .owner = THIS_MODULE,
336 .dai_link = byt_rt5640_dais,
337 .num_links = ARRAY_SIZE(byt_rt5640_dais),
338 .dapm_widgets = byt_rt5640_widgets,
339 .num_dapm_widgets = ARRAY_SIZE(byt_rt5640_widgets),
340 .dapm_routes = byt_rt5640_audio_map,
341 .num_dapm_routes = ARRAY_SIZE(byt_rt5640_audio_map),
342 .fully_routed = true,
345 static char byt_rt5640_codec_name[16]; /* i2c-<HID>:00 with HID being 8 chars */
347 static int snd_byt_rt5640_mc_probe(struct platform_device *pdev)
350 struct sst_acpi_mach *mach;
351 const char *i2c_name = NULL;
355 /* register the soc card */
356 byt_rt5640_card.dev = &pdev->dev;
357 mach = byt_rt5640_card.dev->platform_data;
359 /* fix index of codec dai */
360 dai_index = MERR_DPCM_COMPR + 1;
361 for (i = 0; i < ARRAY_SIZE(byt_rt5640_dais); i++) {
362 if (!strcmp(byt_rt5640_dais[i].codec_name, "i2c-10EC5640:00")) {
368 /* fixup codec name based on HID */
369 i2c_name = sst_acpi_find_name_from_hid(mach->id);
370 if (i2c_name != NULL) {
371 snprintf(byt_rt5640_codec_name, sizeof(byt_rt5640_codec_name),
372 "%s%s", "i2c-", i2c_name);
374 byt_rt5640_dais[dai_index].codec_name = byt_rt5640_codec_name;
377 /* check quirks before creating card */
378 dmi_check_system(byt_rt5640_quirk_table);
380 ret_val = devm_snd_soc_register_card(&pdev->dev, &byt_rt5640_card);
383 dev_err(&pdev->dev, "devm_snd_soc_register_card failed %d\n",
387 platform_set_drvdata(pdev, &byt_rt5640_card);
391 static struct platform_driver snd_byt_rt5640_mc_driver = {
393 .name = "bytcr_rt5640",
394 .pm = &snd_soc_pm_ops,
396 .probe = snd_byt_rt5640_mc_probe,
399 module_platform_driver(snd_byt_rt5640_mc_driver);
401 MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver");
402 MODULE_AUTHOR("Subhransu S. Prusty <subhransu.s.prusty@intel.com>");
403 MODULE_LICENSE("GPL v2");
404 MODULE_ALIAS("platform:bytcr_rt5640");