cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

rockchip_rt5645.c (5972B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2/*
      3 * Rockchip machine ASoC driver for boards using a RT5645/RT5650 CODEC.
      4 *
      5 * Copyright (c) 2015, ROCKCHIP CORPORATION.  All rights reserved.
      6 */
      7
      8#include <linux/module.h>
      9#include <linux/platform_device.h>
     10#include <linux/slab.h>
     11#include <linux/gpio.h>
     12#include <linux/of_gpio.h>
     13#include <linux/delay.h>
     14#include <sound/core.h>
     15#include <sound/jack.h>
     16#include <sound/pcm.h>
     17#include <sound/pcm_params.h>
     18#include <sound/soc.h>
     19#include "rockchip_i2s.h"
     20#include "../codecs/rt5645.h"
     21
     22#define DRV_NAME "rockchip-snd-rt5645"
     23
     24static struct snd_soc_jack headset_jack;
     25
     26static const struct snd_soc_dapm_widget rk_dapm_widgets[] = {
     27	SND_SOC_DAPM_HP("Headphones", NULL),
     28	SND_SOC_DAPM_SPK("Speakers", NULL),
     29	SND_SOC_DAPM_MIC("Headset Mic", NULL),
     30	SND_SOC_DAPM_MIC("Int Mic", NULL),
     31};
     32
     33static const struct snd_soc_dapm_route rk_audio_map[] = {
     34	/* Input Lines */
     35	{"DMIC L2", NULL, "Int Mic"},
     36	{"DMIC R2", NULL, "Int Mic"},
     37	{"RECMIXL", NULL, "Headset Mic"},
     38	{"RECMIXR", NULL, "Headset Mic"},
     39
     40	/* Output Lines */
     41	{"Headphones", NULL, "HPOR"},
     42	{"Headphones", NULL, "HPOL"},
     43	{"Speakers", NULL, "SPOL"},
     44	{"Speakers", NULL, "SPOR"},
     45};
     46
     47static const struct snd_kcontrol_new rk_mc_controls[] = {
     48	SOC_DAPM_PIN_SWITCH("Headphones"),
     49	SOC_DAPM_PIN_SWITCH("Speakers"),
     50	SOC_DAPM_PIN_SWITCH("Headset Mic"),
     51	SOC_DAPM_PIN_SWITCH("Int Mic"),
     52};
     53
     54static int rk_aif1_hw_params(struct snd_pcm_substream *substream,
     55			     struct snd_pcm_hw_params *params)
     56{
     57	int ret = 0;
     58	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
     59	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
     60	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
     61	int mclk;
     62
     63	switch (params_rate(params)) {
     64	case 8000:
     65	case 16000:
     66	case 24000:
     67	case 32000:
     68	case 48000:
     69	case 64000:
     70	case 96000:
     71		mclk = 12288000;
     72		break;
     73	case 11025:
     74	case 22050:
     75	case 44100:
     76	case 88200:
     77		mclk = 11289600;
     78		break;
     79	default:
     80		return -EINVAL;
     81	}
     82
     83	ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
     84				     SND_SOC_CLOCK_OUT);
     85	if (ret < 0) {
     86		dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
     87		return ret;
     88	}
     89
     90	ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
     91				     SND_SOC_CLOCK_IN);
     92	if (ret < 0) {
     93		dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
     94		return ret;
     95	}
     96
     97	return ret;
     98}
     99
    100static int rk_init(struct snd_soc_pcm_runtime *runtime)
    101{
    102	struct snd_soc_card *card = runtime->card;
    103	int ret;
    104
    105	/* Enable Headset and 4 Buttons Jack detection */
    106	ret = snd_soc_card_jack_new(card, "Headset Jack",
    107				    SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
    108				    SND_JACK_BTN_0 | SND_JACK_BTN_1 |
    109				    SND_JACK_BTN_2 | SND_JACK_BTN_3,
    110				    &headset_jack);
    111	if (ret) {
    112		dev_err(card->dev, "New Headset Jack failed! (%d)\n", ret);
    113		return ret;
    114	}
    115
    116	return rt5645_set_jack_detect(asoc_rtd_to_codec(runtime, 0)->component,
    117				     &headset_jack,
    118				     &headset_jack,
    119				     &headset_jack);
    120}
    121
    122static const struct snd_soc_ops rk_aif1_ops = {
    123	.hw_params = rk_aif1_hw_params,
    124};
    125
    126SND_SOC_DAILINK_DEFS(pcm,
    127	DAILINK_COMP_ARRAY(COMP_EMPTY()),
    128	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5645-aif1")),
    129	DAILINK_COMP_ARRAY(COMP_EMPTY()));
    130
    131static struct snd_soc_dai_link rk_dailink = {
    132	.name = "rt5645",
    133	.stream_name = "rt5645 PCM",
    134	.init = rk_init,
    135	.ops = &rk_aif1_ops,
    136	/* set rt5645 as slave */
    137	.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
    138		SND_SOC_DAIFMT_CBS_CFS,
    139	SND_SOC_DAILINK_REG(pcm),
    140};
    141
    142static struct snd_soc_card snd_soc_card_rk = {
    143	.name = "I2S-RT5650",
    144	.owner = THIS_MODULE,
    145	.dai_link = &rk_dailink,
    146	.num_links = 1,
    147	.dapm_widgets = rk_dapm_widgets,
    148	.num_dapm_widgets = ARRAY_SIZE(rk_dapm_widgets),
    149	.dapm_routes = rk_audio_map,
    150	.num_dapm_routes = ARRAY_SIZE(rk_audio_map),
    151	.controls = rk_mc_controls,
    152	.num_controls = ARRAY_SIZE(rk_mc_controls),
    153};
    154
    155static int snd_rk_mc_probe(struct platform_device *pdev)
    156{
    157	int ret = 0;
    158	struct snd_soc_card *card = &snd_soc_card_rk;
    159	struct device_node *np = pdev->dev.of_node;
    160
    161	/* register the soc card */
    162	card->dev = &pdev->dev;
    163
    164	rk_dailink.codecs->of_node = of_parse_phandle(np,
    165			"rockchip,audio-codec", 0);
    166	if (!rk_dailink.codecs->of_node) {
    167		dev_err(&pdev->dev,
    168			"Property 'rockchip,audio-codec' missing or invalid\n");
    169		return -EINVAL;
    170	}
    171
    172	rk_dailink.cpus->of_node = of_parse_phandle(np,
    173			"rockchip,i2s-controller", 0);
    174	if (!rk_dailink.cpus->of_node) {
    175		dev_err(&pdev->dev,
    176			"Property 'rockchip,i2s-controller' missing or invalid\n");
    177		ret = -EINVAL;
    178		goto put_codec_of_node;
    179	}
    180
    181	rk_dailink.platforms->of_node = rk_dailink.cpus->of_node;
    182
    183	ret = snd_soc_of_parse_card_name(card, "rockchip,model");
    184	if (ret) {
    185		dev_err(&pdev->dev,
    186			"Soc parse card name failed %d\n", ret);
    187		goto put_cpu_of_node;
    188	}
    189
    190	ret = devm_snd_soc_register_card(&pdev->dev, card);
    191	if (ret) {
    192		dev_err(&pdev->dev,
    193			"Soc register card failed %d\n", ret);
    194		goto put_cpu_of_node;
    195	}
    196
    197	return ret;
    198
    199put_cpu_of_node:
    200	of_node_put(rk_dailink.cpus->of_node);
    201	rk_dailink.cpus->of_node = NULL;
    202put_codec_of_node:
    203	of_node_put(rk_dailink.codecs->of_node);
    204	rk_dailink.codecs->of_node = NULL;
    205
    206	return ret;
    207}
    208
    209static int snd_rk_mc_remove(struct platform_device *pdev)
    210{
    211	of_node_put(rk_dailink.cpus->of_node);
    212	rk_dailink.cpus->of_node = NULL;
    213	of_node_put(rk_dailink.codecs->of_node);
    214	rk_dailink.codecs->of_node = NULL;
    215
    216	return 0;
    217}
    218
    219static const struct of_device_id rockchip_rt5645_of_match[] = {
    220	{ .compatible = "rockchip,rockchip-audio-rt5645", },
    221	{},
    222};
    223
    224MODULE_DEVICE_TABLE(of, rockchip_rt5645_of_match);
    225
    226static struct platform_driver snd_rk_mc_driver = {
    227	.probe = snd_rk_mc_probe,
    228	.remove = snd_rk_mc_remove,
    229	.driver = {
    230		.name = DRV_NAME,
    231		.pm = &snd_soc_pm_ops,
    232		.of_match_table = rockchip_rt5645_of_match,
    233	},
    234};
    235
    236module_platform_driver(snd_rk_mc_driver);
    237
    238MODULE_AUTHOR("Xing Zheng <zhengxing@rock-chips.com>");
    239MODULE_DESCRIPTION("Rockchip rt5645 machine ASoC driver");
    240MODULE_LICENSE("GPL v2");
    241MODULE_ALIAS("platform:" DRV_NAME);