1 files changed, 146 insertions, 0 deletions
diff --git a/sound/soc/samsung/jive_wm8750.c b/sound/soc/samsung/jive_wm8750.c
new file mode 100644
index 000000000..529b10dc5
--- /dev/null
+++ b/sound/soc/samsung/jive_wm8750.c
@@ -0,0 +1,146 @@
+/* sound/soc/samsung/jive_wm8750.c
+ *
+ * Copyright 2007,2008 Simtec Electronics
+ *
+ * Based on sound/soc/pxa/spitz.c
+ *	Copyright 2005 Wolfson Microelectronics PLC.
+ *	Copyright 2005 Openedhand Ltd.
+ *
+ * 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.
+*/
+
+#include <linux/module.h>
+#include <sound/soc.h>
+
+#include <asm/mach-types.h>
+
+#include "s3c2412-i2s.h"
+#include "../codecs/wm8750.h"
+
+static const struct snd_soc_dapm_route audio_map[] = {
+	{ "Headphone Jack", NULL, "LOUT1" },
+	{ "Headphone Jack", NULL, "ROUT1" },
+	{ "Internal Speaker", NULL, "LOUT2" },
+	{ "Internal Speaker", NULL, "ROUT2" },
+	{ "LINPUT1", NULL, "Line Input" },
+	{ "RINPUT1", NULL, "Line Input" },
+};
+
+static const struct snd_soc_dapm_widget wm8750_dapm_widgets[] = {
+	SND_SOC_DAPM_HP("Headphone Jack", NULL),
+	SND_SOC_DAPM_SPK("Internal Speaker", NULL),
+	SND_SOC_DAPM_LINE("Line In", NULL),
+};
+
+static int jive_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;
+	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+	struct s3c_i2sv2_rate_calc div;
+	unsigned int clk = 0;
+	int ret = 0;
+
+	switch (params_rate(params)) {
+	case 8000:
+	case 16000:
+	case 48000:
+	case 96000:
+		clk = 12288000;
+		break;
+	case 11025:
+	case 22050:
+	case 44100:
+		clk = 11289600;
+		break;
+	}
+
+	s3c_i2sv2_iis_calc_rate(&div, NULL, params_rate(params),
+				s3c_i2sv2_get_clock(cpu_dai));
+
+	/* set the codec system clock for DAC and ADC */
+	ret = snd_soc_dai_set_sysclk(codec_dai, WM8750_SYSCLK, clk,
+				     SND_SOC_CLOCK_IN);
+	if (ret < 0)
+		return ret;
+
+	ret = snd_soc_dai_set_clkdiv(cpu_dai, S3C2412_DIV_RCLK, div.fs_div);
+	if (ret < 0)
+		return ret;
+
+	ret = snd_soc_dai_set_clkdiv(cpu_dai, S3C2412_DIV_PRESCALER,
+				     div.clk_div - 1);
+	if (ret < 0)
+		return ret;
+
+	return 0;
+}
+
+static const struct snd_soc_ops jive_ops = {
+	.hw_params	= jive_hw_params,
+};
+
+static struct snd_soc_dai_link jive_dai = {
+	.name		= "wm8750",
+	.stream_name	= "WM8750",
+	.cpu_dai_name	= "s3c2412-i2s",
+	.codec_dai_name = "wm8750-hifi",
+	.platform_name	= "s3c2412-i2s",
+	.codec_name	= "wm8750.0-001a",
+	.dai_fmt	= SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+			  SND_SOC_DAIFMT_CBS_CFS,
+	.ops		= &jive_ops,
+};
+
+/* jive audio machine driver */
+static struct snd_soc_card snd_soc_machine_jive = {
+	.name		= "Jive",
+	.owner		= THIS_MODULE,
+	.dai_link	= &jive_dai,
+	.num_links	= 1,
+
+	.dapm_widgets	= wm8750_dapm_widgets,
+	.num_dapm_widgets = ARRAY_SIZE(wm8750_dapm_widgets),
+	.dapm_routes	= audio_map,
+	.num_dapm_routes = ARRAY_SIZE(audio_map),
+	.fully_routed	= true,
+};
+
+static struct platform_device *jive_snd_device;
+
+static int __init jive_init(void)
+{
+	int ret;
+
+	if (!machine_is_jive())
+		return 0;
+
+	printk("JIVE WM8750 Audio support\n");
+
+	jive_snd_device = platform_device_alloc("soc-audio", -1);
+	if (!jive_snd_device)
+		return -ENOMEM;
+
+	platform_set_drvdata(jive_snd_device, &snd_soc_machine_jive);
+	ret = platform_device_add(jive_snd_device);
+
+	if (ret)
+		platform_device_put(jive_snd_device);
+
+	return ret;
+}
+
+static void __exit jive_exit(void)
+{
+	platform_device_unregister(jive_snd_device);
+}
+
+module_init(jive_init);
+module_exit(jive_exit);
+
+MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
+MODULE_DESCRIPTION("ALSA SoC Jive Audio support");
+MODULE_LICENSE("GPL");