1abda5dfdSMark Brown /* 2abda5dfdSMark Brown * Lowland audio support 3abda5dfdSMark Brown * 4abda5dfdSMark Brown * Copyright 2011 Wolfson Microelectronics 5abda5dfdSMark Brown * 6abda5dfdSMark Brown * This program is free software; you can redistribute it and/or modify it 7abda5dfdSMark Brown * under the terms of the GNU General Public License as published by the 8abda5dfdSMark Brown * Free Software Foundation; either version 2 of the License, or (at your 9abda5dfdSMark Brown * option) any later version. 10abda5dfdSMark Brown */ 11abda5dfdSMark Brown 12abda5dfdSMark Brown #include <sound/soc.h> 13abda5dfdSMark Brown #include <sound/soc-dapm.h> 14abda5dfdSMark Brown #include <sound/jack.h> 15abda5dfdSMark Brown #include <linux/gpio.h> 16abda5dfdSMark Brown #include <linux/module.h> 17abda5dfdSMark Brown 18abda5dfdSMark Brown #include "../codecs/wm5100.h" 19abda5dfdSMark Brown #include "../codecs/wm9081.h" 20abda5dfdSMark Brown 21abda5dfdSMark Brown #define MCLK1_RATE (44100 * 512) 22abda5dfdSMark Brown #define CLKOUT_RATE (44100 * 256) 23abda5dfdSMark Brown 24abda5dfdSMark Brown static struct snd_soc_jack lowland_headset; 25abda5dfdSMark Brown 26abda5dfdSMark Brown /* Headset jack detection DAPM pins */ 27abda5dfdSMark Brown static struct snd_soc_jack_pin lowland_headset_pins[] = { 28abda5dfdSMark Brown { 29abda5dfdSMark Brown .pin = "Headphone", 30abda5dfdSMark Brown .mask = SND_JACK_HEADPHONE | SND_JACK_LINEOUT, 31abda5dfdSMark Brown }, 32abda5dfdSMark Brown { 33abda5dfdSMark Brown .pin = "Headset Mic", 34abda5dfdSMark Brown .mask = SND_JACK_MICROPHONE, 35abda5dfdSMark Brown }, 36abda5dfdSMark Brown }; 37abda5dfdSMark Brown 38abda5dfdSMark Brown static int lowland_wm5100_init(struct snd_soc_pcm_runtime *rtd) 39abda5dfdSMark Brown { 40abda5dfdSMark Brown struct snd_soc_codec *codec = rtd->codec; 41abda5dfdSMark Brown int ret; 42abda5dfdSMark Brown 43abda5dfdSMark Brown ret = snd_soc_codec_set_sysclk(codec, WM5100_CLK_SYSCLK, 44abda5dfdSMark Brown WM5100_CLKSRC_MCLK1, MCLK1_RATE, 45abda5dfdSMark Brown SND_SOC_CLOCK_IN); 46abda5dfdSMark Brown if (ret < 0) { 47abda5dfdSMark Brown pr_err("Failed to set SYSCLK clock source: %d\n", ret); 48abda5dfdSMark Brown return ret; 49abda5dfdSMark Brown } 50abda5dfdSMark Brown 51abda5dfdSMark Brown /* Clock OPCLK, used by the other audio components. */ 52abda5dfdSMark Brown ret = snd_soc_codec_set_sysclk(codec, WM5100_CLK_OPCLK, 0, 53abda5dfdSMark Brown CLKOUT_RATE, 0); 54abda5dfdSMark Brown if (ret < 0) { 55abda5dfdSMark Brown pr_err("Failed to set OPCLK rate: %d\n", ret); 56abda5dfdSMark Brown return ret; 57abda5dfdSMark Brown } 58abda5dfdSMark Brown 59abda5dfdSMark Brown ret = snd_soc_jack_new(codec, "Headset", 60abda5dfdSMark Brown SND_JACK_LINEOUT | SND_JACK_HEADSET | 61abda5dfdSMark Brown SND_JACK_BTN_0, 62abda5dfdSMark Brown &lowland_headset); 63abda5dfdSMark Brown if (ret) 64abda5dfdSMark Brown return ret; 65abda5dfdSMark Brown 66abda5dfdSMark Brown ret = snd_soc_jack_add_pins(&lowland_headset, 67abda5dfdSMark Brown ARRAY_SIZE(lowland_headset_pins), 68abda5dfdSMark Brown lowland_headset_pins); 69abda5dfdSMark Brown if (ret) 70abda5dfdSMark Brown return ret; 71abda5dfdSMark Brown 72abda5dfdSMark Brown wm5100_detect(codec, &lowland_headset); 73abda5dfdSMark Brown 74abda5dfdSMark Brown return 0; 75abda5dfdSMark Brown } 76abda5dfdSMark Brown 77abda5dfdSMark Brown static struct snd_soc_dai_link lowland_dai[] = { 78abda5dfdSMark Brown { 79abda5dfdSMark Brown .name = "CPU", 80abda5dfdSMark Brown .stream_name = "CPU", 81abda5dfdSMark Brown .cpu_dai_name = "samsung-i2s.0", 82abda5dfdSMark Brown .codec_dai_name = "wm5100-aif1", 83abda5dfdSMark Brown .platform_name = "samsung-audio", 84abda5dfdSMark Brown .codec_name = "wm5100.1-001a", 85*277b6fdaSMark Brown .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 86*277b6fdaSMark Brown SND_SOC_DAIFMT_CBM_CFM, 87abda5dfdSMark Brown .init = lowland_wm5100_init, 88abda5dfdSMark Brown }, 89abda5dfdSMark Brown { 90abda5dfdSMark Brown .name = "Baseband", 91abda5dfdSMark Brown .stream_name = "Baseband", 92abda5dfdSMark Brown .cpu_dai_name = "wm5100-aif2", 93abda5dfdSMark Brown .codec_dai_name = "wm1250-ev1", 94abda5dfdSMark Brown .codec_name = "wm1250-ev1.1-0027", 95*277b6fdaSMark Brown .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 96*277b6fdaSMark Brown SND_SOC_DAIFMT_CBM_CFM, 97abda5dfdSMark Brown .ignore_suspend = 1, 98abda5dfdSMark Brown }, 99abda5dfdSMark Brown }; 100abda5dfdSMark Brown 101abda5dfdSMark Brown static int lowland_wm9081_init(struct snd_soc_dapm_context *dapm) 102abda5dfdSMark Brown { 103abda5dfdSMark Brown snd_soc_dapm_nc_pin(dapm, "LINEOUT"); 104abda5dfdSMark Brown 105abda5dfdSMark Brown /* At any time the WM9081 is active it will have this clock */ 106abda5dfdSMark Brown return snd_soc_codec_set_sysclk(dapm->codec, WM9081_SYSCLK_MCLK, 0, 107abda5dfdSMark Brown CLKOUT_RATE, 0); 108abda5dfdSMark Brown } 109abda5dfdSMark Brown 110abda5dfdSMark Brown static struct snd_soc_aux_dev lowland_aux_dev[] = { 111abda5dfdSMark Brown { 112abda5dfdSMark Brown .name = "wm9081", 113abda5dfdSMark Brown .codec_name = "wm9081.1-006c", 114abda5dfdSMark Brown .init = lowland_wm9081_init, 115abda5dfdSMark Brown }, 116abda5dfdSMark Brown }; 117abda5dfdSMark Brown 118abda5dfdSMark Brown static struct snd_soc_codec_conf lowland_codec_conf[] = { 119abda5dfdSMark Brown { 120abda5dfdSMark Brown .dev_name = "wm9081.1-006c", 121abda5dfdSMark Brown .name_prefix = "Sub", 122abda5dfdSMark Brown }, 123abda5dfdSMark Brown }; 124abda5dfdSMark Brown 125abda5dfdSMark Brown static const struct snd_kcontrol_new controls[] = { 126abda5dfdSMark Brown SOC_DAPM_PIN_SWITCH("Main Speaker"), 127abda5dfdSMark Brown SOC_DAPM_PIN_SWITCH("Main DMIC"), 128abda5dfdSMark Brown SOC_DAPM_PIN_SWITCH("Main AMIC"), 129abda5dfdSMark Brown SOC_DAPM_PIN_SWITCH("WM1250 Input"), 130abda5dfdSMark Brown SOC_DAPM_PIN_SWITCH("WM1250 Output"), 131abda5dfdSMark Brown SOC_DAPM_PIN_SWITCH("Headphone"), 132abda5dfdSMark Brown }; 133abda5dfdSMark Brown 134abda5dfdSMark Brown static struct snd_soc_dapm_widget widgets[] = { 135abda5dfdSMark Brown SND_SOC_DAPM_HP("Headphone", NULL), 136abda5dfdSMark Brown SND_SOC_DAPM_MIC("Headset Mic", NULL), 137abda5dfdSMark Brown 138abda5dfdSMark Brown SND_SOC_DAPM_SPK("Main Speaker", NULL), 139abda5dfdSMark Brown 140abda5dfdSMark Brown SND_SOC_DAPM_MIC("Main AMIC", NULL), 141abda5dfdSMark Brown SND_SOC_DAPM_MIC("Main DMIC", NULL), 142abda5dfdSMark Brown }; 143abda5dfdSMark Brown 144abda5dfdSMark Brown static struct snd_soc_dapm_route audio_paths[] = { 145abda5dfdSMark Brown { "Sub IN1", NULL, "HPOUT2L" }, 146abda5dfdSMark Brown { "Sub IN2", NULL, "HPOUT2R" }, 147abda5dfdSMark Brown 148abda5dfdSMark Brown { "Main Speaker", NULL, "Sub SPKN" }, 149abda5dfdSMark Brown { "Main Speaker", NULL, "Sub SPKP" }, 150abda5dfdSMark Brown { "Main Speaker", NULL, "SPKDAT1" }, 151abda5dfdSMark Brown }; 152abda5dfdSMark Brown 153abda5dfdSMark Brown static struct snd_soc_card lowland = { 154abda5dfdSMark Brown .name = "Lowland", 155095d79dcSAxel Lin .owner = THIS_MODULE, 156abda5dfdSMark Brown .dai_link = lowland_dai, 157abda5dfdSMark Brown .num_links = ARRAY_SIZE(lowland_dai), 158abda5dfdSMark Brown .aux_dev = lowland_aux_dev, 159abda5dfdSMark Brown .num_aux_devs = ARRAY_SIZE(lowland_aux_dev), 160abda5dfdSMark Brown .codec_conf = lowland_codec_conf, 161abda5dfdSMark Brown .num_configs = ARRAY_SIZE(lowland_codec_conf), 162abda5dfdSMark Brown 163abda5dfdSMark Brown .controls = controls, 164abda5dfdSMark Brown .num_controls = ARRAY_SIZE(controls), 165abda5dfdSMark Brown .dapm_widgets = widgets, 166abda5dfdSMark Brown .num_dapm_widgets = ARRAY_SIZE(widgets), 167abda5dfdSMark Brown .dapm_routes = audio_paths, 168abda5dfdSMark Brown .num_dapm_routes = ARRAY_SIZE(audio_paths), 169abda5dfdSMark Brown }; 170abda5dfdSMark Brown 171abda5dfdSMark Brown static __devinit int lowland_probe(struct platform_device *pdev) 172abda5dfdSMark Brown { 173abda5dfdSMark Brown struct snd_soc_card *card = &lowland; 174abda5dfdSMark Brown int ret; 175abda5dfdSMark Brown 176abda5dfdSMark Brown card->dev = &pdev->dev; 177abda5dfdSMark Brown 178abda5dfdSMark Brown ret = snd_soc_register_card(card); 179abda5dfdSMark Brown if (ret) { 180abda5dfdSMark Brown dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", 181abda5dfdSMark Brown ret); 182abda5dfdSMark Brown return ret; 183abda5dfdSMark Brown } 184abda5dfdSMark Brown 185abda5dfdSMark Brown return 0; 186abda5dfdSMark Brown } 187abda5dfdSMark Brown 188abda5dfdSMark Brown static int __devexit lowland_remove(struct platform_device *pdev) 189abda5dfdSMark Brown { 190abda5dfdSMark Brown struct snd_soc_card *card = platform_get_drvdata(pdev); 191abda5dfdSMark Brown 192abda5dfdSMark Brown snd_soc_unregister_card(card); 193abda5dfdSMark Brown 194abda5dfdSMark Brown return 0; 195abda5dfdSMark Brown } 196abda5dfdSMark Brown 197abda5dfdSMark Brown static struct platform_driver lowland_driver = { 198abda5dfdSMark Brown .driver = { 199abda5dfdSMark Brown .name = "lowland", 200abda5dfdSMark Brown .owner = THIS_MODULE, 201abda5dfdSMark Brown .pm = &snd_soc_pm_ops, 202abda5dfdSMark Brown }, 203abda5dfdSMark Brown .probe = lowland_probe, 204abda5dfdSMark Brown .remove = __devexit_p(lowland_remove), 205abda5dfdSMark Brown }; 206abda5dfdSMark Brown 207e00c3f55SMark Brown module_platform_driver(lowland_driver); 208abda5dfdSMark Brown 209abda5dfdSMark Brown MODULE_DESCRIPTION("Lowland audio support"); 210abda5dfdSMark Brown MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); 211abda5dfdSMark Brown MODULE_LICENSE("GPL"); 212abda5dfdSMark Brown MODULE_ALIAS("platform:lowland"); 213