1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * snappercl15.c -- SoC audio for Bluewater Systems Snapper CL15 module
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (C) 2008 Bluewater Systems Ltd
6*4882a593Smuzhiyun * Author: Ryan Mallon
7*4882a593Smuzhiyun */
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun #include <linux/platform_device.h>
10*4882a593Smuzhiyun #include <linux/module.h>
11*4882a593Smuzhiyun #include <linux/soc/cirrus/ep93xx.h>
12*4882a593Smuzhiyun #include <sound/core.h>
13*4882a593Smuzhiyun #include <sound/pcm.h>
14*4882a593Smuzhiyun #include <sound/soc.h>
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun #include <asm/mach-types.h>
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun #include "../codecs/tlv320aic23.h"
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun #define CODEC_CLOCK 5644800
21*4882a593Smuzhiyun
snappercl15_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)22*4882a593Smuzhiyun static int snappercl15_hw_params(struct snd_pcm_substream *substream,
23*4882a593Smuzhiyun struct snd_pcm_hw_params *params)
24*4882a593Smuzhiyun {
25*4882a593Smuzhiyun struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
26*4882a593Smuzhiyun struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
27*4882a593Smuzhiyun struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
28*4882a593Smuzhiyun int err;
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun err = snd_soc_dai_set_sysclk(codec_dai, 0, CODEC_CLOCK,
31*4882a593Smuzhiyun SND_SOC_CLOCK_IN);
32*4882a593Smuzhiyun if (err)
33*4882a593Smuzhiyun return err;
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun err = snd_soc_dai_set_sysclk(cpu_dai, 0, CODEC_CLOCK,
36*4882a593Smuzhiyun SND_SOC_CLOCK_OUT);
37*4882a593Smuzhiyun if (err)
38*4882a593Smuzhiyun return err;
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun return 0;
41*4882a593Smuzhiyun }
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun static const struct snd_soc_ops snappercl15_ops = {
44*4882a593Smuzhiyun .hw_params = snappercl15_hw_params,
45*4882a593Smuzhiyun };
46*4882a593Smuzhiyun
47*4882a593Smuzhiyun static const struct snd_soc_dapm_widget tlv320aic23_dapm_widgets[] = {
48*4882a593Smuzhiyun SND_SOC_DAPM_HP("Headphone Jack", NULL),
49*4882a593Smuzhiyun SND_SOC_DAPM_LINE("Line In", NULL),
50*4882a593Smuzhiyun SND_SOC_DAPM_MIC("Mic Jack", NULL),
51*4882a593Smuzhiyun };
52*4882a593Smuzhiyun
53*4882a593Smuzhiyun static const struct snd_soc_dapm_route audio_map[] = {
54*4882a593Smuzhiyun {"Headphone Jack", NULL, "LHPOUT"},
55*4882a593Smuzhiyun {"Headphone Jack", NULL, "RHPOUT"},
56*4882a593Smuzhiyun
57*4882a593Smuzhiyun {"LLINEIN", NULL, "Line In"},
58*4882a593Smuzhiyun {"RLINEIN", NULL, "Line In"},
59*4882a593Smuzhiyun
60*4882a593Smuzhiyun {"MICIN", NULL, "Mic Jack"},
61*4882a593Smuzhiyun };
62*4882a593Smuzhiyun
63*4882a593Smuzhiyun SND_SOC_DAILINK_DEFS(aic23,
64*4882a593Smuzhiyun DAILINK_COMP_ARRAY(COMP_CPU("ep93xx-i2s")),
65*4882a593Smuzhiyun DAILINK_COMP_ARRAY(COMP_CODEC("tlv320aic23-codec.0-001a",
66*4882a593Smuzhiyun "tlv320aic23-hifi")),
67*4882a593Smuzhiyun DAILINK_COMP_ARRAY(COMP_PLATFORM("ep93xx-i2s")));
68*4882a593Smuzhiyun
69*4882a593Smuzhiyun static struct snd_soc_dai_link snappercl15_dai = {
70*4882a593Smuzhiyun .name = "tlv320aic23",
71*4882a593Smuzhiyun .stream_name = "AIC23",
72*4882a593Smuzhiyun .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
73*4882a593Smuzhiyun SND_SOC_DAIFMT_CBS_CFS,
74*4882a593Smuzhiyun .ops = &snappercl15_ops,
75*4882a593Smuzhiyun SND_SOC_DAILINK_REG(aic23),
76*4882a593Smuzhiyun };
77*4882a593Smuzhiyun
78*4882a593Smuzhiyun static struct snd_soc_card snd_soc_snappercl15 = {
79*4882a593Smuzhiyun .name = "Snapper CL15",
80*4882a593Smuzhiyun .owner = THIS_MODULE,
81*4882a593Smuzhiyun .dai_link = &snappercl15_dai,
82*4882a593Smuzhiyun .num_links = 1,
83*4882a593Smuzhiyun
84*4882a593Smuzhiyun .dapm_widgets = tlv320aic23_dapm_widgets,
85*4882a593Smuzhiyun .num_dapm_widgets = ARRAY_SIZE(tlv320aic23_dapm_widgets),
86*4882a593Smuzhiyun .dapm_routes = audio_map,
87*4882a593Smuzhiyun .num_dapm_routes = ARRAY_SIZE(audio_map),
88*4882a593Smuzhiyun };
89*4882a593Smuzhiyun
snappercl15_probe(struct platform_device * pdev)90*4882a593Smuzhiyun static int snappercl15_probe(struct platform_device *pdev)
91*4882a593Smuzhiyun {
92*4882a593Smuzhiyun struct snd_soc_card *card = &snd_soc_snappercl15;
93*4882a593Smuzhiyun int ret;
94*4882a593Smuzhiyun
95*4882a593Smuzhiyun ret = ep93xx_i2s_acquire();
96*4882a593Smuzhiyun if (ret)
97*4882a593Smuzhiyun return ret;
98*4882a593Smuzhiyun
99*4882a593Smuzhiyun card->dev = &pdev->dev;
100*4882a593Smuzhiyun
101*4882a593Smuzhiyun ret = snd_soc_register_card(card);
102*4882a593Smuzhiyun if (ret) {
103*4882a593Smuzhiyun dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
104*4882a593Smuzhiyun ret);
105*4882a593Smuzhiyun ep93xx_i2s_release();
106*4882a593Smuzhiyun }
107*4882a593Smuzhiyun
108*4882a593Smuzhiyun return ret;
109*4882a593Smuzhiyun }
110*4882a593Smuzhiyun
snappercl15_remove(struct platform_device * pdev)111*4882a593Smuzhiyun static int snappercl15_remove(struct platform_device *pdev)
112*4882a593Smuzhiyun {
113*4882a593Smuzhiyun struct snd_soc_card *card = platform_get_drvdata(pdev);
114*4882a593Smuzhiyun
115*4882a593Smuzhiyun snd_soc_unregister_card(card);
116*4882a593Smuzhiyun ep93xx_i2s_release();
117*4882a593Smuzhiyun
118*4882a593Smuzhiyun return 0;
119*4882a593Smuzhiyun }
120*4882a593Smuzhiyun
121*4882a593Smuzhiyun static struct platform_driver snappercl15_driver = {
122*4882a593Smuzhiyun .driver = {
123*4882a593Smuzhiyun .name = "snappercl15-audio",
124*4882a593Smuzhiyun },
125*4882a593Smuzhiyun .probe = snappercl15_probe,
126*4882a593Smuzhiyun .remove = snappercl15_remove,
127*4882a593Smuzhiyun };
128*4882a593Smuzhiyun
129*4882a593Smuzhiyun module_platform_driver(snappercl15_driver);
130*4882a593Smuzhiyun
131*4882a593Smuzhiyun MODULE_AUTHOR("Ryan Mallon");
132*4882a593Smuzhiyun MODULE_DESCRIPTION("ALSA SoC Snapper CL15");
133*4882a593Smuzhiyun MODULE_LICENSE("GPL");
134*4882a593Smuzhiyun MODULE_ALIAS("platform:snappercl15-audio");
135