1// SPDX-License-Identifier: GPL-2.0-only
  2/*
  3 * Intel Haswell Lynxpoint SST Audio
  4 *
  5 * Copyright (C) 2013, Intel Corporation. All rights reserved.
  6 */
  7
  8#include <linux/module.h>
  9#include <linux/platform_device.h>
 10#include <sound/core.h>
 11#include <sound/pcm.h>
 12#include <sound/soc.h>
 13#include <sound/soc-acpi.h>
 14#include <sound/pcm_params.h>
 15
 16#include "../common/sst-dsp.h"
 17#include "../haswell/sst-haswell-ipc.h"
 18
 19#include "../../codecs/rt5640.h"
 20
 21/* Haswell ULT platforms have a Headphone and Mic jack */
 22static const struct snd_soc_dapm_widget haswell_widgets[] = {
 23	SND_SOC_DAPM_HP("Headphones", NULL),
 24	SND_SOC_DAPM_MIC("Mic", NULL),
 25};
 26
 27static const struct snd_soc_dapm_route haswell_rt5640_map[] = {
 28
 29	{"Headphones", NULL, "HPOR"},
 30	{"Headphones", NULL, "HPOL"},
 31	{"IN2P", NULL, "Mic"},
 32
 33	/* CODEC BE connections */
 34	{"SSP0 CODEC IN", NULL, "AIF1 Capture"},
 35	{"AIF1 Playback", NULL, "SSP0 CODEC OUT"},
 36};
 37
 38static int haswell_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
 39			struct snd_pcm_hw_params *params)
 40{
 41	struct snd_interval *rate = hw_param_interval(params,
 42			SNDRV_PCM_HW_PARAM_RATE);
 43	struct snd_interval *channels = hw_param_interval(params,
 44						SNDRV_PCM_HW_PARAM_CHANNELS);
 45
 46	/* The ADSP will covert the FE rate to 48k, stereo */
 47	rate->min = rate->max = 48000;
 48	channels->min = channels->max = 2;
 49
 50	/* set SSP0 to 16 bit */
 51	params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
 52	return 0;
 53}
 54
 55static int haswell_rt5640_hw_params(struct snd_pcm_substream *substream,
 56	struct snd_pcm_hw_params *params)
 57{
 58	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 59	struct snd_soc_dai *codec_dai = rtd->codec_dai;
 60	int ret;
 61
 62	ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_MCLK, 12288000,
 63		SND_SOC_CLOCK_IN);
 64
 65	if (ret < 0) {
 66		dev_err(rtd->dev, "can't set codec sysclk configuration\n");
 67		return ret;
 68	}
 69
 70	/* set correct codec filter for DAI format and clock config */
 71	snd_soc_component_update_bits(codec_dai->component, 0x83, 0xffff, 0x8000);
 72
 73	return ret;
 74}
 75
 76static const struct snd_soc_ops haswell_rt5640_ops = {
 77	.hw_params = haswell_rt5640_hw_params,
 78};
 79
 80static int haswell_rtd_init(struct snd_soc_pcm_runtime *rtd)
 81{
 82	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
 83	struct sst_pdata *pdata = dev_get_platdata(component->dev);
 84	struct sst_hsw *haswell = pdata->dsp;
 85	int ret;
 86
 87	/* Set ADSP SSP port settings */
 88	ret = sst_hsw_device_set_config(haswell, SST_HSW_DEVICE_SSP_0,
 89		SST_HSW_DEVICE_MCLK_FREQ_24_MHZ,
 90		SST_HSW_DEVICE_CLOCK_MASTER, 9);
 91	if (ret < 0) {
 92		dev_err(rtd->dev, "failed to set device config\n");
 93		return ret;
 94	}
 95
 96	return 0;
 97}
 98
 99SND_SOC_DAILINK_DEF(dummy,
100	DAILINK_COMP_ARRAY(COMP_DUMMY()));
101
102SND_SOC_DAILINK_DEF(system,
103	DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
104
105SND_SOC_DAILINK_DEF(offload0,
106	DAILINK_COMP_ARRAY(COMP_CPU("Offload0 Pin")));
107
108SND_SOC_DAILINK_DEF(offload1,
109	DAILINK_COMP_ARRAY(COMP_CPU("Offload1 Pin")));
110
111SND_SOC_DAILINK_DEF(loopback,
112	DAILINK_COMP_ARRAY(COMP_CPU("Loopback Pin")));
113
114SND_SOC_DAILINK_DEF(codec,
115	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-INT33CA:00", "rt5640-aif1")));
116
117SND_SOC_DAILINK_DEF(platform,
118	DAILINK_COMP_ARRAY(COMP_PLATFORM("haswell-pcm-audio")));
119
120static struct snd_soc_dai_link haswell_rt5640_dais[] = {
121	/* Front End DAI links */
122	{
123		.name = "System",
124		.stream_name = "System Playback/Capture",
125		.dynamic = 1,
126		.init = haswell_rtd_init,
127		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
128		.dpcm_playback = 1,
129		.dpcm_capture = 1,
130		SND_SOC_DAILINK_REG(system, dummy, platform),
131	},
132	{
133		.name = "Offload0",
134		.stream_name = "Offload0 Playback",
135		.dynamic = 1,
136		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
137		.dpcm_playback = 1,
138		SND_SOC_DAILINK_REG(offload0, dummy, platform),
139	},
140	{
141		.name = "Offload1",
142		.stream_name = "Offload1 Playback",
143		.dynamic = 1,
144		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
145		.dpcm_playback = 1,
146		SND_SOC_DAILINK_REG(offload1, dummy, platform),
147	},
148	{
149		.name = "Loopback",
150		.stream_name = "Loopback",
151		.dynamic = 1,
152		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
153		.dpcm_capture = 1,
154		SND_SOC_DAILINK_REG(loopback, dummy, platform),
155	},
156
157	/* Back End DAI links */
158	{
159		/* SSP0 - Codec */
160		.name = "Codec",
161		.id = 0,
162		.no_pcm = 1,
163		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
164			SND_SOC_DAIFMT_CBS_CFS,
165		.ignore_suspend = 1,
166		.ignore_pmdown_time = 1,
167		.be_hw_params_fixup = haswell_ssp0_fixup,
168		.ops = &haswell_rt5640_ops,
169		.dpcm_playback = 1,
170		.dpcm_capture = 1,
171		SND_SOC_DAILINK_REG(dummy, codec, dummy),
172	},
173};
174
175/* audio machine driver for Haswell Lynxpoint DSP + RT5640 */
176static struct snd_soc_card haswell_rt5640 = {
177	.name = "haswell-rt5640",
178	.owner = THIS_MODULE,
179	.dai_link = haswell_rt5640_dais,
180	.num_links = ARRAY_SIZE(haswell_rt5640_dais),
181	.dapm_widgets = haswell_widgets,
182	.num_dapm_widgets = ARRAY_SIZE(haswell_widgets),
183	.dapm_routes = haswell_rt5640_map,
184	.num_dapm_routes = ARRAY_SIZE(haswell_rt5640_map),
185	.fully_routed = true,
186};
187
188static int haswell_audio_probe(struct platform_device *pdev)
189{
190	struct snd_soc_acpi_mach *mach;
191	int ret;
192
193	haswell_rt5640.dev = &pdev->dev;
194
195	/* override plaform name, if required */
196	mach = (&pdev->dev)->platform_data;
197	ret = snd_soc_fixup_dai_links_platform_name(&haswell_rt5640,
198						    mach->mach_params.platform);
199	if (ret)
200		return ret;
201
202	return devm_snd_soc_register_card(&pdev->dev, &haswell_rt5640);
203}
204
205static struct platform_driver haswell_audio = {
206	.probe = haswell_audio_probe,
207	.driver = {
208		.name = "haswell-audio",
209	},
210};
211
212module_platform_driver(haswell_audio)
213
214/* Module information */
215MODULE_AUTHOR("Liam Girdwood, Xingchao Wang");
216MODULE_DESCRIPTION("Intel SST Audio for Haswell Lynxpoint");
217MODULE_LICENSE("GPL v2");
218MODULE_ALIAS("platform:haswell-audio");