1 files changed, 292 insertions, 0 deletions

diff --git a/sound/soc/intel/boards/broadwell.c b/sound/soc/intel/boards/broadwell.c
new file mode 100644
index 000000000000..8bafaf6ceab1
--- /dev/null
+++ b/sound/soc/intel/boards/broadwell.c
@@ -0,0 +1,292 @@
+/*
+ * Intel Broadwell Wildcatpoint SST Audio
+ *
+ * Copyright (C) 2013, Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/jack.h>
+#include <sound/pcm_params.h>
+
+#include "../common/sst-dsp.h"
+#include "../haswell/sst-haswell-ipc.h"
+
+#include "../../codecs/rt286.h"
+
+static struct snd_soc_jack broadwell_headset;
+/* Headset jack detection DAPM pins */
+static struct snd_soc_jack_pin broadwell_headset_pins[] = {
+        {
+                .pin = "Mic Jack",
+                .mask = SND_JACK_MICROPHONE,
+        },
+        {
+                .pin = "Headphone Jack",
+                .mask = SND_JACK_HEADPHONE,
+        },
+};
+
+static const struct snd_kcontrol_new broadwell_controls[] = {
+        SOC_DAPM_PIN_SWITCH("Speaker"),
+        SOC_DAPM_PIN_SWITCH("Headphone Jack"),
+};
+
+static const struct snd_soc_dapm_widget broadwell_widgets[] = {
+        SND_SOC_DAPM_HP("Headphone Jack", NULL),
+        SND_SOC_DAPM_SPK("Speaker", NULL),
+        SND_SOC_DAPM_MIC("Mic Jack", NULL),
+        SND_SOC_DAPM_MIC("DMIC1", NULL),
+        SND_SOC_DAPM_MIC("DMIC2", NULL),
+        SND_SOC_DAPM_LINE("Line Jack", NULL),
+};
+
+static const struct snd_soc_dapm_route broadwell_rt286_map[] = {
+
+        /* speaker */
+        {"Speaker", NULL, "SPOR"},
+        {"Speaker", NULL, "SPOL"},
+
+        /* HP jack connectors - unknown if we have jack deteck */
+        {"Headphone Jack", NULL, "HPO Pin"},
+
+        /* other jacks */
+        {"MIC1", NULL, "Mic Jack"},
+        {"LINE1", NULL, "Line Jack"},
+
+        /* digital mics */
+        {"DMIC1 Pin", NULL, "DMIC1"},
+        {"DMIC2 Pin", NULL, "DMIC2"},
+
+        /* CODEC BE connections */
+        {"SSP0 CODEC IN", NULL, "AIF1 Capture"},
+        {"AIF1 Playback", NULL, "SSP0 CODEC OUT"},
+};
+
+static int broadwell_rt286_codec_init(struct snd_soc_pcm_runtime *rtd)
+{
+        struct snd_soc_codec *codec = rtd->codec;
+        int ret = 0;
+        ret = snd_soc_card_jack_new(rtd->card, "Headset",
+                SND_JACK_HEADSET | SND_JACK_BTN_0, &broadwell_headset,
+                broadwell_headset_pins, ARRAY_SIZE(broadwell_headset_pins));
+        if (ret)
+                return ret;
+
+        rt286_mic_detect(codec, &broadwell_headset);
+        return 0;
+}
+
+
+static int broadwell_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
+                        struct snd_pcm_hw_params *params)
+{
+        struct snd_interval *rate = hw_param_interval(params,
+                        SNDRV_PCM_HW_PARAM_RATE);
+        struct snd_interval *channels = hw_param_interval(params,
+                                                SNDRV_PCM_HW_PARAM_CHANNELS);
+
+        /* The ADSP will covert the FE rate to 48k, stereo */
+        rate->min = rate->max = 48000;
+        channels->min = channels->max = 2;
+
+        /* set SSP0 to 16 bit */
+        params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
+        return 0;
+}
+
+static int broadwell_rt286_hw_params(struct snd_pcm_substream *substream,
+        struct snd_pcm_hw_params *params)
+{
+        struct snd_soc_pcm_runtime *rtd = substream->private_data;
+        struct snd_soc_dai *codec_dai = rtd->codec_dai;
+        int ret;
+
+        ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000,
+                SND_SOC_CLOCK_IN);
+
+        if (ret < 0) {
+                dev_err(rtd->dev, "can't set codec sysclk configuration\n");
+                return ret;
+        }
+
+        return ret;
+}
+
+static struct snd_soc_ops broadwell_rt286_ops = {
+        .hw_params = broadwell_rt286_hw_params,
+};
+
+static int broadwell_rtd_init(struct snd_soc_pcm_runtime *rtd)
+{
+        struct sst_pdata *pdata = dev_get_platdata(rtd->platform->dev);
+        struct sst_hsw *broadwell = pdata->dsp;
+        int ret;
+
+        /* Set ADSP SSP port settings */
+        ret = sst_hsw_device_set_config(broadwell, SST_HSW_DEVICE_SSP_0,
+                SST_HSW_DEVICE_MCLK_FREQ_24_MHZ,
+                SST_HSW_DEVICE_CLOCK_MASTER, 9);
+        if (ret < 0) {
+                dev_err(rtd->dev, "error: failed to set device config\n");
+                return ret;
+        }
+
+        return 0;
+}
+
+/* broadwell digital audio interface glue - connects codec <--> CPU */
+static struct snd_soc_dai_link broadwell_rt286_dais[] = {
+        /* Front End DAI links */
+        {
+                .name = "System PCM",
+                .stream_name = "System Playback/Capture",
+                .cpu_dai_name = "System Pin",
+                .platform_name = "haswell-pcm-audio",
+                .dynamic = 1,
+                .codec_name = "snd-soc-dummy",
+                .codec_dai_name = "snd-soc-dummy-dai",
+                .init = broadwell_rtd_init,
+                .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
+                .dpcm_playback = 1,
+                .dpcm_capture = 1,
+        },
+        {
+                .name = "Offload0",
+                .stream_name = "Offload0 Playback",
+                .cpu_dai_name = "Offload0 Pin",
+                .platform_name = "haswell-pcm-audio",
+                .dynamic = 1,
+                .codec_name = "snd-soc-dummy",
+                .codec_dai_name = "snd-soc-dummy-dai",
+                .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
+                .dpcm_playback = 1,
+        },
+        {
+                .name = "Offload1",
+                .stream_name = "Offload1 Playback",
+                .cpu_dai_name = "Offload1 Pin",
+                .platform_name = "haswell-pcm-audio",
+                .dynamic = 1,
+                .codec_name = "snd-soc-dummy",
+                .codec_dai_name = "snd-soc-dummy-dai",
+                .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
+                .dpcm_playback = 1,
+        },
+        {
+                .name = "Loopback PCM",
+                .stream_name = "Loopback",
+                .cpu_dai_name = "Loopback Pin",
+                .platform_name = "haswell-pcm-audio",
+                .dynamic = 0,
+                .codec_name = "snd-soc-dummy",
+                .codec_dai_name = "snd-soc-dummy-dai",
+                .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
+                .dpcm_capture = 1,
+        },
+        /* Back End DAI links */
+        {
+                /* SSP0 - Codec */
+                .name = "Codec",
+                .be_id = 0,
+                .cpu_dai_name = "snd-soc-dummy-dai",
+                .platform_name = "snd-soc-dummy",
+                .no_pcm = 1,
+                .codec_name = "i2c-INT343A:00",
+                .codec_dai_name = "rt286-aif1",
+                .init = broadwell_rt286_codec_init,
+                .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+                        SND_SOC_DAIFMT_CBS_CFS,
+                .ignore_suspend = 1,
+                .ignore_pmdown_time = 1,
+                .be_hw_params_fixup = broadwell_ssp0_fixup,
+                .ops = &broadwell_rt286_ops,
+                .dpcm_playback = 1,
+                .dpcm_capture = 1,
+        },
+};
+
+static int broadwell_suspend(struct snd_soc_card *card){
+        struct snd_soc_codec *codec;
+
+        list_for_each_entry(codec, &card->codec_dev_list, card_list) {
+                if (!strcmp(codec->component.name, "i2c-INT343A:00")) {
+                        dev_dbg(codec->dev, "disabling jack detect before going to suspend.\n");
+                        rt286_mic_detect(codec, NULL);
+                        break;
+                }
+        }
+        return 0;
+}
+
+static int broadwell_resume(struct snd_soc_card *card){
+        struct snd_soc_codec *codec;
+
+        list_for_each_entry(codec, &card->codec_dev_list, card_list) {
+                if (!strcmp(codec->component.name, "i2c-INT343A:00")) {
+                        dev_dbg(codec->dev, "enabling jack detect for resume.\n");
+                        rt286_mic_detect(codec, &broadwell_headset);
+                        break;
+                }
+        }
+        return 0;
+}
+
+/* broadwell audio machine driver for WPT + RT286S */
+static struct snd_soc_card broadwell_rt286 = {
+        .name = "broadwell-rt286",
+        .owner = THIS_MODULE,
+        .dai_link = broadwell_rt286_dais,
+        .num_links = ARRAY_SIZE(broadwell_rt286_dais),
+        .controls = broadwell_controls,
+        .num_controls = ARRAY_SIZE(broadwell_controls),
+        .dapm_widgets = broadwell_widgets,
+        .num_dapm_widgets = ARRAY_SIZE(broadwell_widgets),
+        .dapm_routes = broadwell_rt286_map,
+        .num_dapm_routes = ARRAY_SIZE(broadwell_rt286_map),
+        .fully_routed = true,
+        .suspend_pre = broadwell_suspend,
+        .resume_post = broadwell_resume,
+};
+
+static int broadwell_audio_probe(struct platform_device *pdev)
+{
+        broadwell_rt286.dev = &pdev->dev;
+
+        return snd_soc_register_card(&broadwell_rt286);
+}
+
+static int broadwell_audio_remove(struct platform_device *pdev)
+{
+        snd_soc_unregister_card(&broadwell_rt286);
+        return 0;
+}
+
+static struct platform_driver broadwell_audio = {
+        .probe = broadwell_audio_probe,
+        .remove = broadwell_audio_remove,
+        .driver = {
+                .name = "broadwell-audio",
+        },
+};
+
+module_platform_driver(broadwell_audio)
+
+/* Module information */
+MODULE_AUTHOR("Liam Girdwood, Xingchao Wang");
+MODULE_DESCRIPTION("Intel SST Audio for WPT/Broadwell");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:broadwell-audio");