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 7755b27847SMark Brown static int lowland_wm9081_init(struct snd_soc_pcm_runtime *rtd) 7855b27847SMark Brown { 7955b27847SMark Brown struct snd_soc_codec *codec = rtd->codec; 8055b27847SMark Brown 8155b27847SMark Brown snd_soc_dapm_nc_pin(&codec->dapm, "LINEOUT"); 8255b27847SMark Brown 8355b27847SMark Brown /* At any time the WM9081 is active it will have this clock */ 8455b27847SMark Brown return snd_soc_codec_set_sysclk(codec, WM9081_SYSCLK_MCLK, 0, 8555b27847SMark Brown CLKOUT_RATE, 0); 8655b27847SMark Brown } 8755b27847SMark Brown 8855b27847SMark Brown static const struct snd_soc_pcm_stream sub_params = { 8955b27847SMark Brown .formats = SNDRV_PCM_FMTBIT_S32_LE, 9055b27847SMark Brown .rate_min = 44100, 9155b27847SMark Brown .rate_max = 44100, 9255b27847SMark Brown .channels_min = 2, 9355b27847SMark Brown .channels_max = 2, 9455b27847SMark Brown }; 9555b27847SMark Brown 96abda5dfdSMark Brown static struct snd_soc_dai_link lowland_dai[] = { 97abda5dfdSMark Brown { 98abda5dfdSMark Brown .name = "CPU", 99abda5dfdSMark Brown .stream_name = "CPU", 100abda5dfdSMark Brown .cpu_dai_name = "samsung-i2s.0", 101abda5dfdSMark Brown .codec_dai_name = "wm5100-aif1", 102a08485d8SPadmavathi Venna .platform_name = "samsung-i2s.0", 103abda5dfdSMark Brown .codec_name = "wm5100.1-001a", 104277b6fdaSMark Brown .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 105277b6fdaSMark Brown SND_SOC_DAIFMT_CBM_CFM, 106abda5dfdSMark Brown .init = lowland_wm5100_init, 107abda5dfdSMark Brown }, 108abda5dfdSMark Brown { 109abda5dfdSMark Brown .name = "Baseband", 110abda5dfdSMark Brown .stream_name = "Baseband", 111abda5dfdSMark Brown .cpu_dai_name = "wm5100-aif2", 112abda5dfdSMark Brown .codec_dai_name = "wm1250-ev1", 113abda5dfdSMark Brown .codec_name = "wm1250-ev1.1-0027", 114277b6fdaSMark Brown .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 115277b6fdaSMark Brown SND_SOC_DAIFMT_CBM_CFM, 116abda5dfdSMark Brown .ignore_suspend = 1, 117abda5dfdSMark Brown }, 118abda5dfdSMark Brown { 11955b27847SMark Brown .name = "Sub Speaker", 12055b27847SMark Brown .stream_name = "Sub Speaker", 12155b27847SMark Brown .cpu_dai_name = "wm5100-aif3", 12255b27847SMark Brown .codec_dai_name = "wm9081-hifi", 123abda5dfdSMark Brown .codec_name = "wm9081.1-006c", 12455b27847SMark Brown .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 12555b27847SMark Brown SND_SOC_DAIFMT_CBM_CFM, 12655b27847SMark Brown .ignore_suspend = 1, 12755b27847SMark Brown .params = &sub_params, 128abda5dfdSMark Brown .init = lowland_wm9081_init, 129abda5dfdSMark Brown }, 130abda5dfdSMark Brown }; 131abda5dfdSMark Brown 132abda5dfdSMark Brown static struct snd_soc_codec_conf lowland_codec_conf[] = { 133abda5dfdSMark Brown { 134abda5dfdSMark Brown .dev_name = "wm9081.1-006c", 135abda5dfdSMark Brown .name_prefix = "Sub", 136abda5dfdSMark Brown }, 137abda5dfdSMark Brown }; 138abda5dfdSMark Brown 139abda5dfdSMark Brown static const struct snd_kcontrol_new controls[] = { 140abda5dfdSMark Brown SOC_DAPM_PIN_SWITCH("Main Speaker"), 141abda5dfdSMark Brown SOC_DAPM_PIN_SWITCH("Main DMIC"), 142abda5dfdSMark Brown SOC_DAPM_PIN_SWITCH("Main AMIC"), 143abda5dfdSMark Brown SOC_DAPM_PIN_SWITCH("WM1250 Input"), 144abda5dfdSMark Brown SOC_DAPM_PIN_SWITCH("WM1250 Output"), 145abda5dfdSMark Brown SOC_DAPM_PIN_SWITCH("Headphone"), 146abda5dfdSMark Brown }; 147abda5dfdSMark Brown 148abda5dfdSMark Brown static struct snd_soc_dapm_widget widgets[] = { 149abda5dfdSMark Brown SND_SOC_DAPM_HP("Headphone", NULL), 150abda5dfdSMark Brown SND_SOC_DAPM_MIC("Headset Mic", NULL), 151abda5dfdSMark Brown 152abda5dfdSMark Brown SND_SOC_DAPM_SPK("Main Speaker", NULL), 153abda5dfdSMark Brown 154abda5dfdSMark Brown SND_SOC_DAPM_MIC("Main AMIC", NULL), 155abda5dfdSMark Brown SND_SOC_DAPM_MIC("Main DMIC", NULL), 156abda5dfdSMark Brown }; 157abda5dfdSMark Brown 158abda5dfdSMark Brown static struct snd_soc_dapm_route audio_paths[] = { 159abda5dfdSMark Brown { "Sub IN1", NULL, "HPOUT2L" }, 160abda5dfdSMark Brown { "Sub IN2", NULL, "HPOUT2R" }, 161abda5dfdSMark Brown 162abda5dfdSMark Brown { "Main Speaker", NULL, "Sub SPKN" }, 163abda5dfdSMark Brown { "Main Speaker", NULL, "Sub SPKP" }, 164abda5dfdSMark Brown { "Main Speaker", NULL, "SPKDAT1" }, 165abda5dfdSMark Brown }; 166abda5dfdSMark Brown 167abda5dfdSMark Brown static struct snd_soc_card lowland = { 168abda5dfdSMark Brown .name = "Lowland", 169095d79dcSAxel Lin .owner = THIS_MODULE, 170abda5dfdSMark Brown .dai_link = lowland_dai, 171abda5dfdSMark Brown .num_links = ARRAY_SIZE(lowland_dai), 172abda5dfdSMark Brown .codec_conf = lowland_codec_conf, 173abda5dfdSMark Brown .num_configs = ARRAY_SIZE(lowland_codec_conf), 174abda5dfdSMark Brown 175abda5dfdSMark Brown .controls = controls, 176abda5dfdSMark Brown .num_controls = ARRAY_SIZE(controls), 177abda5dfdSMark Brown .dapm_widgets = widgets, 178abda5dfdSMark Brown .num_dapm_widgets = ARRAY_SIZE(widgets), 179abda5dfdSMark Brown .dapm_routes = audio_paths, 180abda5dfdSMark Brown .num_dapm_routes = ARRAY_SIZE(audio_paths), 181abda5dfdSMark Brown }; 182abda5dfdSMark Brown 183*fdca21adSBill Pemberton static int lowland_probe(struct platform_device *pdev) 184abda5dfdSMark Brown { 185abda5dfdSMark Brown struct snd_soc_card *card = &lowland; 186abda5dfdSMark Brown int ret; 187abda5dfdSMark Brown 188abda5dfdSMark Brown card->dev = &pdev->dev; 189abda5dfdSMark Brown 190abda5dfdSMark Brown ret = snd_soc_register_card(card); 191abda5dfdSMark Brown if (ret) { 192abda5dfdSMark Brown dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", 193abda5dfdSMark Brown ret); 194abda5dfdSMark Brown return ret; 195abda5dfdSMark Brown } 196abda5dfdSMark Brown 197abda5dfdSMark Brown return 0; 198abda5dfdSMark Brown } 199abda5dfdSMark Brown 200*fdca21adSBill Pemberton static int lowland_remove(struct platform_device *pdev) 201abda5dfdSMark Brown { 202abda5dfdSMark Brown struct snd_soc_card *card = platform_get_drvdata(pdev); 203abda5dfdSMark Brown 204abda5dfdSMark Brown snd_soc_unregister_card(card); 205abda5dfdSMark Brown 206abda5dfdSMark Brown return 0; 207abda5dfdSMark Brown } 208abda5dfdSMark Brown 209abda5dfdSMark Brown static struct platform_driver lowland_driver = { 210abda5dfdSMark Brown .driver = { 211abda5dfdSMark Brown .name = "lowland", 212abda5dfdSMark Brown .owner = THIS_MODULE, 213abda5dfdSMark Brown .pm = &snd_soc_pm_ops, 214abda5dfdSMark Brown }, 215abda5dfdSMark Brown .probe = lowland_probe, 216*fdca21adSBill Pemberton .remove = lowland_remove, 217abda5dfdSMark Brown }; 218abda5dfdSMark Brown 219e00c3f55SMark Brown module_platform_driver(lowland_driver); 220abda5dfdSMark Brown 221abda5dfdSMark Brown MODULE_DESCRIPTION("Lowland audio support"); 222abda5dfdSMark Brown MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); 223abda5dfdSMark Brown MODULE_LICENSE("GPL"); 224abda5dfdSMark Brown MODULE_ALIAS("platform:lowland"); 225