3 files changed, 356 insertions, 0 deletions

diff --git a/sound/soc/samsung/Kconfig b/sound/soc/samsung/Kconfig
index fe3995ce9b38..fb5600083612 100644
--- a/sound/soc/samsung/Kconfig
+++ b/sound/soc/samsung/Kconfig
@@ -199,6 +199,14 @@ config SND_SOC_TOBERMORY
         select SND_SAMSUNG_I2S
         select SND_SOC_WM8962
 
+config SND_SOC_BELLS
+        tristate "Audio support for Wolfson Bells"
+        depends on SND_SOC_SAMSUNG && MACH_WLF_CRAGG_6410
+        select SND_SAMSUNG_I2S
+        select SND_SOC_WM5102
+        select SND_SOC_WM5110
+        select SND_SOC_WM9081
+
 config SND_SOC_LOWLAND
         tristate "Audio support for Wolfson Lowland"
         depends on SND_SOC_SAMSUNG && MACH_WLF_CRAGG_6410
diff --git a/sound/soc/samsung/Makefile b/sound/soc/samsung/Makefile
index 9d03beb40c86..709f6059ad67 100644
--- a/sound/soc/samsung/Makefile
+++ b/sound/soc/samsung/Makefile
@@ -42,6 +42,7 @@ snd-soc-speyside-objs := speyside.o
 snd-soc-tobermory-objs := tobermory.o
 snd-soc-lowland-objs := lowland.o
 snd-soc-littlemill-objs := littlemill.o
+snd-soc-bells-objs := bells.o
 
 obj-$(CONFIG_SND_SOC_SAMSUNG_JIVE_WM8750) += snd-soc-jive-wm8750.o
 obj-$(CONFIG_SND_SOC_SAMSUNG_NEO1973_WM8753) += snd-soc-neo1973-wm8753.o
@@ -65,3 +66,4 @@ obj-$(CONFIG_SND_SOC_SPEYSIDE) += snd-soc-speyside.o
 obj-$(CONFIG_SND_SOC_TOBERMORY) += snd-soc-tobermory.o
 obj-$(CONFIG_SND_SOC_LOWLAND) += snd-soc-lowland.o
 obj-$(CONFIG_SND_SOC_LITTLEMILL) += snd-soc-littlemill.o
+obj-$(CONFIG_SND_SOC_BELLS) += snd-soc-bells.o
diff --git a/sound/soc/samsung/bells.c b/sound/soc/samsung/bells.c
new file mode 100644
index 000000000000..5dc10dfc0d42
--- /dev/null
+++ b/sound/soc/samsung/bells.c
@@ -0,0 +1,346 @@
+/*
+ * Bells audio support
+ *
+ * Copyright 2012 Wolfson Microelectronics
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/jack.h>
+#include <linux/gpio.h>
+#include <linux/module.h>
+
+#include "../codecs/wm5102.h"
+#include "../codecs/wm9081.h"
+
+/*
+ * 44.1kHz based clocks for the SYSCLK domain, use a very high clock
+ * to allow all the DSP functionality to be enabled if desired.
+ */
+#define SYSCLK_RATE (44100 * 1024)
+
+/* 48kHz based clocks for the ASYNC domain */
+#define ASYNCCLK_RATE (48000 * 512)
+
+/* BCLK2 is fixed at this currently */
+#define BCLK2_RATE (64 * 8000)
+
+/*
+ * Expect a 24.576MHz crystal if one is fitted (the driver will function
+ * if this is not fitted).
+ */
+#define MCLK_RATE 24576000
+
+#define WM9081_AUDIO_RATE 44100
+#define WM9081_MCLK_RATE  (WM9081_AUDIO_RATE * 256)
+
+static int bells_set_bias_level(struct snd_soc_card *card,
+                                struct snd_soc_dapm_context *dapm,
+                                enum snd_soc_bias_level level)
+{
+        struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
+        struct snd_soc_codec *codec = codec_dai->codec;
+        int ret;
+
+        if (dapm->dev != codec_dai->dev)
+                return 0;
+
+        switch (level) {
+        case SND_SOC_BIAS_PREPARE:
+                if (dapm->bias_level == SND_SOC_BIAS_STANDBY) {
+                        ret = snd_soc_codec_set_pll(codec, WM5102_FLL1,
+                                                    ARIZONA_FLL_SRC_MCLK1,
+                                                    MCLK_RATE,
+                                                    SYSCLK_RATE);
+                        if (ret < 0)
+                                pr_err("Failed to start FLL: %d\n", ret);
+
+                        ret = snd_soc_codec_set_pll(codec, WM5102_FLL2,
+                                                    ARIZONA_FLL_SRC_AIF2BCLK,
+                                                    BCLK2_RATE,
+                                                    ASYNCCLK_RATE);
+                        if (ret < 0)
+                                pr_err("Failed to start FLL: %d\n", ret);
+                }
+                break;
+
+        default:
+                break;
+        }
+
+        return 0;
+}
+
+static int bells_set_bias_level_post(struct snd_soc_card *card,
+                                     struct snd_soc_dapm_context *dapm,
+                                     enum snd_soc_bias_level level)
+{
+        struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
+        struct snd_soc_codec *codec = codec_dai->codec;
+        int ret;
+
+        if (dapm->dev != codec_dai->dev)
+                return 0;
+
+        switch (level) {
+        case SND_SOC_BIAS_STANDBY:
+                ret = snd_soc_codec_set_pll(codec, WM5102_FLL1, 0, 0, 0);
+                if (ret < 0) {
+                        pr_err("Failed to stop FLL: %d\n", ret);
+                        return ret;
+                }
+
+                ret = snd_soc_codec_set_pll(codec, WM5102_FLL2, 0, 0, 0);
+                if (ret < 0) {
+                        pr_err("Failed to stop FLL: %d\n", ret);
+                        return ret;
+                }
+                break;
+
+        default:
+                break;
+        }
+
+        dapm->bias_level = level;
+
+        return 0;
+}
+
+static int bells_late_probe(struct snd_soc_card *card)
+{
+        struct snd_soc_codec *codec = card->rtd[0].codec;
+        struct snd_soc_dai *aif1_dai = card->rtd[0].codec_dai;
+        struct snd_soc_dai *aif2_dai = card->rtd[1].cpu_dai;
+        struct snd_soc_dai *aif3_dai = card->rtd[2].cpu_dai;
+        struct snd_soc_dai *wm9081_dai = card->rtd[2].codec_dai;
+        int ret;
+
+        ret = snd_soc_dai_set_sysclk(aif1_dai, ARIZONA_CLK_SYSCLK, 0, 0);
+        if (ret != 0) {
+                dev_err(aif1_dai->dev, "Failed to set AIF1 clock: %d\n", ret);
+                return ret;
+        }
+
+        ret = snd_soc_dai_set_sysclk(aif2_dai, ARIZONA_CLK_ASYNCCLK, 0, 0);
+        if (ret != 0) {
+                dev_err(aif2_dai->dev, "Failed to set AIF2 clock: %d\n", ret);
+                return ret;
+        }
+
+        ret = snd_soc_dai_set_sysclk(aif3_dai, ARIZONA_CLK_SYSCLK, 0, 0);
+        if (ret != 0) {
+                dev_err(aif1_dai->dev, "Failed to set AIF1 clock: %d\n", ret);
+                return ret;
+        }
+
+        ret = snd_soc_codec_set_sysclk(codec, ARIZONA_CLK_SYSCLK,
+                                       ARIZONA_CLK_SRC_FLL1, SYSCLK_RATE,
+                                       SND_SOC_CLOCK_IN);
+        if (ret != 0) {
+                dev_err(codec->dev, "Failed to set SYSCLK: %d\n", ret);
+                return ret;
+        }
+
+        ret = snd_soc_codec_set_sysclk(codec, ARIZONA_CLK_OPCLK, 0,
+                                       WM9081_MCLK_RATE, SND_SOC_CLOCK_OUT);
+        if (ret != 0) {
+                dev_err(codec->dev, "Failed to set OPCLK: %d\n", ret);
+                return ret;
+        }
+
+        ret = snd_soc_codec_set_sysclk(codec, ARIZONA_CLK_ASYNCCLK,
+                                       ARIZONA_CLK_SRC_FLL2, ASYNCCLK_RATE,
+                                       SND_SOC_CLOCK_IN);
+        if (ret != 0) {
+                dev_err(codec->dev, "Failed to set SYSCLK: %d\n", ret);
+                return ret;
+        }
+
+        ret = snd_soc_codec_set_sysclk(wm9081_dai->codec, WM9081_SYSCLK_MCLK,
+                                       0, WM9081_MCLK_RATE, 0);
+        if (ret != 0) {
+                dev_err(wm9081_dai->dev, "Failed to set MCLK: %d\n", ret);
+                return ret;
+        }
+
+        return 0;
+}
+
+static const struct snd_soc_pcm_stream baseband_params = {
+        .formats = SNDRV_PCM_FMTBIT_S32_LE,
+        .rate_min = 8000,
+        .rate_max = 8000,
+        .channels_min = 2,
+        .channels_max = 2,
+};
+
+static const struct snd_soc_pcm_stream sub_params = {
+        .formats = SNDRV_PCM_FMTBIT_S32_LE,
+        .rate_min = WM9081_AUDIO_RATE,
+        .rate_max = WM9081_AUDIO_RATE,
+        .channels_min = 2,
+        .channels_max = 2,
+};
+
+static struct snd_soc_dai_link bells_dai_wm5102[] = {
+        {
+                .name = "CPU",
+                .stream_name = "CPU",
+                .cpu_dai_name = "samsung-i2s.0",
+                .codec_dai_name = "wm5102-aif1",
+                .platform_name = "samsung-audio",
+                .codec_name = "wm5102-codec",
+                .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
+                                | SND_SOC_DAIFMT_CBM_CFM,
+        },
+        {
+                .name = "Baseband",
+                .stream_name = "Baseband",
+                .cpu_dai_name = "wm5102-aif2",
+                .codec_dai_name = "wm1250-ev1",
+                .codec_name = "wm1250-ev1.1-0027",
+                .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
+                                | SND_SOC_DAIFMT_CBM_CFM,
+                .ignore_suspend = 1,
+                .params = &baseband_params,
+        },
+        {
+                .name = "Sub",
+                .stream_name = "Sub",
+                .cpu_dai_name = "wm5102-aif3",
+                .codec_dai_name = "wm9081-hifi",
+                .codec_name = "wm9081.1-006c",
+                .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
+                                | SND_SOC_DAIFMT_CBS_CFS,
+                .ignore_suspend = 1,
+                .params = &sub_params,
+        },
+};
+
+static struct snd_soc_dai_link bells_dai_wm5110[] = {
+        {
+                .name = "CPU",
+                .stream_name = "CPU",
+                .cpu_dai_name = "samsung-i2s.0",
+                .codec_dai_name = "wm5110-aif1",
+                .platform_name = "samsung-audio",
+                .codec_name = "wm5110-codec",
+                .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
+                                | SND_SOC_DAIFMT_CBM_CFM,
+        },
+        {
+                .name = "Baseband",
+                .stream_name = "Baseband",
+                .cpu_dai_name = "wm5110-aif2",
+                .codec_dai_name = "wm1250-ev1",
+                .codec_name = "wm1250-ev1.1-0027",
+                .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
+                                | SND_SOC_DAIFMT_CBM_CFM,
+                .ignore_suspend = 1,
+                .params = &baseband_params,
+        },
+        {
+                .name = "Sub",
+                .stream_name = "Sub",
+                .cpu_dai_name = "wm5102-aif3",
+                .codec_dai_name = "wm9081-hifi",
+                .codec_name = "wm9081.1-006c",
+                .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
+                                | SND_SOC_DAIFMT_CBS_CFS,
+                .ignore_suspend = 1,
+                .params = &sub_params,
+        },
+};
+
+static struct snd_soc_codec_conf bells_codec_conf[] = {
+        {
+                .dev_name = "wm9081.1-006c",
+                .name_prefix = "Sub",
+        },
+};
+
+static struct snd_soc_dapm_route bells_routes[] = {
+        { "Sub CLK_SYS", NULL, "OPCLK" },
+};
+
+static struct snd_soc_card bells_cards[] = {
+        {
+                .name = "Bells WM5102",
+                .owner = THIS_MODULE,
+                .dai_link = bells_dai_wm5102,
+                .num_links = ARRAY_SIZE(bells_dai_wm5102),
+                .codec_conf = bells_codec_conf,
+                .num_configs = ARRAY_SIZE(bells_codec_conf),
+
+                .late_probe = bells_late_probe,
+
+                .dapm_routes = bells_routes,
+                .num_dapm_routes = ARRAY_SIZE(bells_routes),
+
+                .set_bias_level = bells_set_bias_level,
+                .set_bias_level_post = bells_set_bias_level_post,
+        },
+        {
+                .name = "Bells WM5110",
+                .owner = THIS_MODULE,
+                .dai_link = bells_dai_wm5110,
+                .num_links = ARRAY_SIZE(bells_dai_wm5110),
+                .codec_conf = bells_codec_conf,
+                .num_configs = ARRAY_SIZE(bells_codec_conf),
+
+                .late_probe = bells_late_probe,
+
+                .dapm_routes = bells_routes,
+                .num_dapm_routes = ARRAY_SIZE(bells_routes),
+
+                .set_bias_level = bells_set_bias_level,
+                .set_bias_level_post = bells_set_bias_level_post,
+        },
+};
+
+
+static __devinit int bells_probe(struct platform_device *pdev)
+{
+        int ret;
+
+        bells_cards[pdev->id].dev = &pdev->dev;
+
+        ret = snd_soc_register_card(&bells_cards[pdev->id]);
+        if (ret) {
+                dev_err(&pdev->dev,
+                        "snd_soc_register_card(%s) failed: %d\n",
+                        bells_cards[pdev->id].name, ret);
+                return ret;
+        }
+
+        return 0;
+}
+
+static int __devexit bells_remove(struct platform_device *pdev)
+{
+        snd_soc_unregister_card(&bells_cards[pdev->id]);
+
+        return 0;
+}
+
+static struct platform_driver bells_driver = {
+        .driver = {
+                .name = "bells",
+                .owner = THIS_MODULE,
+                .pm = &snd_soc_pm_ops,
+        },
+        .probe = bells_probe,
+        .remove = __devexit_p(bells_remove),
+};
+
+module_platform_driver(bells_driver);
+
+MODULE_DESCRIPTION("Bells audio support");
+MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:bells");