1// SPDX-License-Identifier: GPL-2.0+
2//
3// imx-mc13783.c  --  SoC audio for imx based boards with mc13783 codec
4//
5// Copyright 2012 Philippe Retornaz, <philippe.retornaz@epfl.ch>
6//
7// Heavly based on phycore-mc13783:
8// Copyright 2009 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>
9
10#include <linux/module.h>
11#include <linux/moduleparam.h>
12#include <linux/device.h>
13#include <sound/core.h>
14#include <sound/pcm.h>
15#include <sound/soc.h>
16#include <sound/soc-dapm.h>
17#include <asm/mach-types.h>
18
19#include "../codecs/mc13783.h"
20#include "imx-ssi.h"
21#include "imx-audmux.h"
22
23#define FMT_SSI (SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF | \
24		SND_SOC_DAIFMT_CBM_CFM)
25
26static int imx_mc13783_hifi_hw_params(struct snd_pcm_substream *substream,
27	struct snd_pcm_hw_params *params)
28{
29	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
30	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
31	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
32	int ret;
33
34	ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x3, 0x3, 4, 16);
35	if (ret)
36		return ret;
37
38	ret = snd_soc_dai_set_sysclk(codec_dai, MC13783_CLK_CLIA, 26000000, 0);
39	if (ret)
40		return ret;
41
42	return snd_soc_dai_set_tdm_slot(cpu_dai, 0x3, 0x3, 2, 16);
43}
44
45static const struct snd_soc_ops imx_mc13783_hifi_ops = {
46	.hw_params = imx_mc13783_hifi_hw_params,
47};
48
49SND_SOC_DAILINK_DEFS(hifi,
50	DAILINK_COMP_ARRAY(COMP_CPU("imx-ssi.0")),
51	DAILINK_COMP_ARRAY(COMP_CODEC("mc13783-codec", "mc13783-hifi")),
52	DAILINK_COMP_ARRAY(COMP_PLATFORM("imx-ssi.0")));
53
54static struct snd_soc_dai_link imx_mc13783_dai_mc13783[] = {
55	{
56		.name = "MC13783",
57		.stream_name	 = "Sound",
58		.ops		 = &imx_mc13783_hifi_ops,
59		.symmetric_rates = 1,
60		.dai_fmt 	 = FMT_SSI,
61		SND_SOC_DAILINK_REG(hifi),
62	},
63};
64
65static const struct snd_soc_dapm_widget imx_mc13783_widget[] = {
66	SND_SOC_DAPM_MIC("Mic", NULL),
67	SND_SOC_DAPM_HP("Headphone", NULL),
68	SND_SOC_DAPM_SPK("Speaker", NULL),
69};
70
71static const struct snd_soc_dapm_route imx_mc13783_routes[] = {
72	{"Speaker", NULL, "LSP"},
73	{"Headphone", NULL, "HSL"},
74	{"Headphone", NULL, "HSR"},
75
76	{"MC1LIN", NULL, "MC1 Bias"},
77	{"MC2IN", NULL, "MC2 Bias"},
78	{"MC1 Bias", NULL, "Mic"},
79	{"MC2 Bias", NULL, "Mic"},
80};
81
82static struct snd_soc_card imx_mc13783 = {
83	.name		= "imx_mc13783",
84	.owner		= THIS_MODULE,
85	.dai_link	= imx_mc13783_dai_mc13783,
86	.num_links	= ARRAY_SIZE(imx_mc13783_dai_mc13783),
87	.dapm_widgets	= imx_mc13783_widget,
88	.num_dapm_widgets = ARRAY_SIZE(imx_mc13783_widget),
89	.dapm_routes	= imx_mc13783_routes,
90	.num_dapm_routes = ARRAY_SIZE(imx_mc13783_routes),
91};
92
93static int imx_mc13783_probe(struct platform_device *pdev)
94{
95	int ret;
96
97	imx_mc13783.dev = &pdev->dev;
98
99	ret = devm_snd_soc_register_card(&pdev->dev, &imx_mc13783);
100	if (ret) {
101		dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
102			ret);
103		return ret;
104	}
105
106	if (machine_is_mx31_3ds() || machine_is_mx31moboard()) {
107		imx_audmux_v2_configure_port(MX31_AUDMUX_PORT4_SSI_PINS_4,
108			IMX_AUDMUX_V2_PTCR_SYN,
109			IMX_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT1_SSI0) |
110			IMX_AUDMUX_V2_PDCR_MODE(1) |
111			IMX_AUDMUX_V2_PDCR_INMMASK(0xfc));
112		imx_audmux_v2_configure_port(MX31_AUDMUX_PORT1_SSI0,
113			IMX_AUDMUX_V2_PTCR_SYN |
114			IMX_AUDMUX_V2_PTCR_TFSDIR |
115			IMX_AUDMUX_V2_PTCR_TFSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
116			IMX_AUDMUX_V2_PTCR_TCLKDIR |
117			IMX_AUDMUX_V2_PTCR_TCSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
118			IMX_AUDMUX_V2_PTCR_RFSDIR |
119			IMX_AUDMUX_V2_PTCR_RFSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
120			IMX_AUDMUX_V2_PTCR_RCLKDIR |
121			IMX_AUDMUX_V2_PTCR_RCSEL(MX31_AUDMUX_PORT4_SSI_PINS_4),
122			IMX_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT4_SSI_PINS_4));
123	} else if (machine_is_mx27_3ds()) {
124		imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0,
125			IMX_AUDMUX_V1_PCR_SYN |
126			IMX_AUDMUX_V1_PCR_TFSDIR |
127			IMX_AUDMUX_V1_PCR_TCLKDIR |
128			IMX_AUDMUX_V1_PCR_RFSDIR |
129			IMX_AUDMUX_V1_PCR_RCLKDIR |
130			IMX_AUDMUX_V1_PCR_TFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) |
131			IMX_AUDMUX_V1_PCR_RFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) |
132			IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4)
133		);
134		imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR3_SSI_PINS_4,
135			IMX_AUDMUX_V1_PCR_SYN |
136			IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR1_SSI0)
137		);
138	}
139
140	return ret;
141}
142
143static struct platform_driver imx_mc13783_audio_driver = {
144	.driver = {
145		.name = "imx_mc13783",
146	},
147	.probe = imx_mc13783_probe,
148};
149
150module_platform_driver(imx_mc13783_audio_driver);
151
152MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");
153MODULE_AUTHOR("Philippe Retornaz <philippe.retornaz@epfl.ch");
154MODULE_DESCRIPTION("imx with mc13783 codec ALSA SoC driver");
155MODULE_LICENSE("GPL");
156MODULE_ALIAS("platform:imx_mc13783");
157