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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /sound/soc/kirkwood
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'sound/soc/kirkwood')
-rw-r--r--sound/soc/kirkwood/Kconfig30
-rw-r--r--sound/soc/kirkwood/Makefile11
-rw-r--r--sound/soc/kirkwood/kirkwood-dma.c398
-rw-r--r--sound/soc/kirkwood/kirkwood-i2s.c491
-rw-r--r--sound/soc/kirkwood/kirkwood-openrd.c111
-rw-r--r--sound/soc/kirkwood/kirkwood-t5325.c131
-rw-r--r--sound/soc/kirkwood/kirkwood.h128
7 files changed, 1300 insertions, 0 deletions
diff --git a/sound/soc/kirkwood/Kconfig b/sound/soc/kirkwood/Kconfig
new file mode 100644
index 00000000..c62d7152
--- /dev/null
+++ b/sound/soc/kirkwood/Kconfig
@@ -0,0 +1,30 @@
+config SND_KIRKWOOD_SOC
+ tristate "SoC Audio for the Marvell Kirkwood chip"
+ depends on ARCH_KIRKWOOD
+ help
+ Say Y or M if you want to add support for codecs attached to
+ the Kirkwood I2S interface. You will also need to select the
+ audio interfaces to support below.
+
+config SND_KIRKWOOD_SOC_I2S
+ tristate
+
+config SND_KIRKWOOD_SOC_OPENRD
+ tristate "SoC Audio support for Kirkwood Openrd Client"
+ depends on SND_KIRKWOOD_SOC && (MACH_OPENRD_CLIENT || MACH_OPENRD_ULTIMATE)
+ depends on I2C
+ select SND_KIRKWOOD_SOC_I2S
+ select SND_SOC_CS42L51
+ help
+ Say Y if you want to add support for SoC audio on
+ Openrd Client.
+
+config SND_KIRKWOOD_SOC_T5325
+ tristate "SoC Audio support for HP t5325"
+ depends on SND_KIRKWOOD_SOC && MACH_T5325 && I2C
+ select SND_KIRKWOOD_SOC_I2S
+ select SND_SOC_ALC5623
+ help
+ Say Y if you want to add support for SoC audio on
+ the HP t5325 thin client.
+
diff --git a/sound/soc/kirkwood/Makefile b/sound/soc/kirkwood/Makefile
new file mode 100644
index 00000000..3e62ae9e
--- /dev/null
+++ b/sound/soc/kirkwood/Makefile
@@ -0,0 +1,11 @@
+snd-soc-kirkwood-objs := kirkwood-dma.o
+snd-soc-kirkwood-i2s-objs := kirkwood-i2s.o
+
+obj-$(CONFIG_SND_KIRKWOOD_SOC) += snd-soc-kirkwood.o
+obj-$(CONFIG_SND_KIRKWOOD_SOC_I2S) += snd-soc-kirkwood-i2s.o
+
+snd-soc-openrd-objs := kirkwood-openrd.o
+snd-soc-t5325-objs := kirkwood-t5325.o
+
+obj-$(CONFIG_SND_KIRKWOOD_SOC_OPENRD) += snd-soc-openrd.o
+obj-$(CONFIG_SND_KIRKWOOD_SOC_T5325) += snd-soc-t5325.o
diff --git a/sound/soc/kirkwood/kirkwood-dma.c b/sound/soc/kirkwood/kirkwood-dma.c
new file mode 100644
index 00000000..b9f16598
--- /dev/null
+++ b/sound/soc/kirkwood/kirkwood-dma.c
@@ -0,0 +1,398 @@
+/*
+ * kirkwood-dma.c
+ *
+ * (c) 2010 Arnaud Patard <apatard@mandriva.com>
+ * (c) 2010 Arnaud Patard <arnaud.patard@rtp-net.org>
+ *
+ * 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 <linux/init.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/io.h>
+#include <linux/slab.h>
+#include <linux/interrupt.h>
+#include <linux/dma-mapping.h>
+#include <linux/mbus.h>
+#include <sound/soc.h>
+#include "kirkwood.h"
+
+#define KIRKWOOD_RATES \
+ (SNDRV_PCM_RATE_44100 | \
+ SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000)
+#define KIRKWOOD_FORMATS \
+ (SNDRV_PCM_FMTBIT_S16_LE | \
+ SNDRV_PCM_FMTBIT_S24_LE | \
+ SNDRV_PCM_FMTBIT_S32_LE)
+
+struct kirkwood_dma_priv {
+ struct snd_pcm_substream *play_stream;
+ struct snd_pcm_substream *rec_stream;
+ struct kirkwood_dma_data *data;
+};
+
+static struct snd_pcm_hardware kirkwood_dma_snd_hw = {
+ .info = (SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_BLOCK_TRANSFER |
+ SNDRV_PCM_INFO_PAUSE),
+ .formats = KIRKWOOD_FORMATS,
+ .rates = KIRKWOOD_RATES,
+ .rate_min = 44100,
+ .rate_max = 96000,
+ .channels_min = 1,
+ .channels_max = 2,
+ .buffer_bytes_max = KIRKWOOD_SND_MAX_PERIOD_BYTES * KIRKWOOD_SND_MAX_PERIODS,
+ .period_bytes_min = KIRKWOOD_SND_MIN_PERIOD_BYTES,
+ .period_bytes_max = KIRKWOOD_SND_MAX_PERIOD_BYTES,
+ .periods_min = KIRKWOOD_SND_MIN_PERIODS,
+ .periods_max = KIRKWOOD_SND_MAX_PERIODS,
+ .fifo_size = 0,
+};
+
+static u64 kirkwood_dma_dmamask = DMA_BIT_MASK(32);
+
+static irqreturn_t kirkwood_dma_irq(int irq, void *dev_id)
+{
+ struct kirkwood_dma_priv *prdata = dev_id;
+ struct kirkwood_dma_data *priv = prdata->data;
+ unsigned long mask, status, cause;
+
+ mask = readl(priv->io + KIRKWOOD_INT_MASK);
+ status = readl(priv->io + KIRKWOOD_INT_CAUSE) & mask;
+
+ cause = readl(priv->io + KIRKWOOD_ERR_CAUSE);
+ if (unlikely(cause)) {
+ printk(KERN_WARNING "%s: got err interrupt 0x%lx\n",
+ __func__, cause);
+ writel(cause, priv->io + KIRKWOOD_ERR_CAUSE);
+ return IRQ_HANDLED;
+ }
+
+ /* we've enabled only bytes interrupts ... */
+ if (status & ~(KIRKWOOD_INT_CAUSE_PLAY_BYTES | \
+ KIRKWOOD_INT_CAUSE_REC_BYTES)) {
+ printk(KERN_WARNING "%s: unexpected interrupt %lx\n",
+ __func__, status);
+ return IRQ_NONE;
+ }
+
+ /* ack int */
+ writel(status, priv->io + KIRKWOOD_INT_CAUSE);
+
+ if (status & KIRKWOOD_INT_CAUSE_PLAY_BYTES)
+ snd_pcm_period_elapsed(prdata->play_stream);
+
+ if (status & KIRKWOOD_INT_CAUSE_REC_BYTES)
+ snd_pcm_period_elapsed(prdata->rec_stream);
+
+ return IRQ_HANDLED;
+}
+
+static void
+kirkwood_dma_conf_mbus_windows(void __iomem *base, int win,
+ unsigned long dma,
+ const struct mbus_dram_target_info *dram)
+{
+ int i;
+
+ /* First disable and clear windows */
+ writel(0, base + KIRKWOOD_AUDIO_WIN_CTRL_REG(win));
+ writel(0, base + KIRKWOOD_AUDIO_WIN_BASE_REG(win));
+
+ /* try to find matching cs for current dma address */
+ for (i = 0; i < dram->num_cs; i++) {
+ const struct mbus_dram_window *cs = dram->cs + i;
+ if ((cs->base & 0xffff0000) < (dma & 0xffff0000)) {
+ writel(cs->base & 0xffff0000,
+ base + KIRKWOOD_AUDIO_WIN_BASE_REG(win));
+ writel(((cs->size - 1) & 0xffff0000) |
+ (cs->mbus_attr << 8) |
+ (dram->mbus_dram_target_id << 4) | 1,
+ base + KIRKWOOD_AUDIO_WIN_CTRL_REG(win));
+ }
+ }
+}
+
+static int kirkwood_dma_open(struct snd_pcm_substream *substream)
+{
+ int err;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
+ struct snd_soc_platform *platform = soc_runtime->platform;
+ struct snd_soc_dai *cpu_dai = soc_runtime->cpu_dai;
+ struct kirkwood_dma_data *priv;
+ struct kirkwood_dma_priv *prdata = snd_soc_platform_get_drvdata(platform);
+ const struct mbus_dram_target_info *dram;
+ unsigned long addr;
+
+ priv = snd_soc_dai_get_dma_data(cpu_dai, substream);
+ snd_soc_set_runtime_hwparams(substream, &kirkwood_dma_snd_hw);
+
+ /* Ensure that all constraints linked to dma burst are fulfilled */
+ err = snd_pcm_hw_constraint_minmax(runtime,
+ SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
+ priv->burst * 2,
+ KIRKWOOD_AUDIO_BUF_MAX-1);
+ if (err < 0)
+ return err;
+
+ err = snd_pcm_hw_constraint_step(runtime, 0,
+ SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
+ priv->burst);
+ if (err < 0)
+ return err;
+
+ err = snd_pcm_hw_constraint_step(substream->runtime, 0,
+ SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
+ priv->burst);
+ if (err < 0)
+ return err;
+
+ if (prdata == NULL) {
+ prdata = kzalloc(sizeof(struct kirkwood_dma_priv), GFP_KERNEL);
+ if (prdata == NULL)
+ return -ENOMEM;
+
+ prdata->data = priv;
+
+ err = request_irq(priv->irq, kirkwood_dma_irq, IRQF_SHARED,
+ "kirkwood-i2s", prdata);
+ if (err) {
+ kfree(prdata);
+ return -EBUSY;
+ }
+
+ snd_soc_platform_set_drvdata(platform, prdata);
+
+ /*
+ * Enable Error interrupts. We're only ack'ing them but
+ * it's useful for diagnostics
+ */
+ writel((unsigned long)-1, priv->io + KIRKWOOD_ERR_MASK);
+ }
+
+ dram = mv_mbus_dram_info();
+ addr = virt_to_phys(substream->dma_buffer.area);
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ prdata->play_stream = substream;
+ kirkwood_dma_conf_mbus_windows(priv->io,
+ KIRKWOOD_PLAYBACK_WIN, addr, dram);
+ } else {
+ prdata->rec_stream = substream;
+ kirkwood_dma_conf_mbus_windows(priv->io,
+ KIRKWOOD_RECORD_WIN, addr, dram);
+ }
+
+ return 0;
+}
+
+static int kirkwood_dma_close(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
+ struct snd_soc_dai *cpu_dai = soc_runtime->cpu_dai;
+ struct snd_soc_platform *platform = soc_runtime->platform;
+ struct kirkwood_dma_priv *prdata = snd_soc_platform_get_drvdata(platform);
+ struct kirkwood_dma_data *priv;
+
+ priv = snd_soc_dai_get_dma_data(cpu_dai, substream);
+
+ if (!prdata || !priv)
+ return 0;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ prdata->play_stream = NULL;
+ else
+ prdata->rec_stream = NULL;
+
+ if (!prdata->play_stream && !prdata->rec_stream) {
+ writel(0, priv->io + KIRKWOOD_ERR_MASK);
+ free_irq(priv->irq, prdata);
+ kfree(prdata);
+ snd_soc_platform_set_drvdata(platform, NULL);
+ }
+
+ return 0;
+}
+
+static int kirkwood_dma_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
+ runtime->dma_bytes = params_buffer_bytes(params);
+
+ return 0;
+}
+
+static int kirkwood_dma_hw_free(struct snd_pcm_substream *substream)
+{
+ snd_pcm_set_runtime_buffer(substream, NULL);
+ return 0;
+}
+
+static int kirkwood_dma_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
+ struct snd_soc_dai *cpu_dai = soc_runtime->cpu_dai;
+ struct kirkwood_dma_data *priv;
+ unsigned long size, count;
+
+ priv = snd_soc_dai_get_dma_data(cpu_dai, substream);
+
+ /* compute buffer size in term of "words" as requested in specs */
+ size = frames_to_bytes(runtime, runtime->buffer_size);
+ size = (size>>2)-1;
+ count = snd_pcm_lib_period_bytes(substream);
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ writel(count, priv->io + KIRKWOOD_PLAY_BYTE_INT_COUNT);
+ writel(runtime->dma_addr, priv->io + KIRKWOOD_PLAY_BUF_ADDR);
+ writel(size, priv->io + KIRKWOOD_PLAY_BUF_SIZE);
+ } else {
+ writel(count, priv->io + KIRKWOOD_REC_BYTE_INT_COUNT);
+ writel(runtime->dma_addr, priv->io + KIRKWOOD_REC_BUF_ADDR);
+ writel(size, priv->io + KIRKWOOD_REC_BUF_SIZE);
+ }
+
+
+ return 0;
+}
+
+static snd_pcm_uframes_t kirkwood_dma_pointer(struct snd_pcm_substream
+ *substream)
+{
+ struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
+ struct snd_soc_dai *cpu_dai = soc_runtime->cpu_dai;
+ struct kirkwood_dma_data *priv;
+ snd_pcm_uframes_t count;
+
+ priv = snd_soc_dai_get_dma_data(cpu_dai, substream);
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ count = bytes_to_frames(substream->runtime,
+ readl(priv->io + KIRKWOOD_PLAY_BYTE_COUNT));
+ else
+ count = bytes_to_frames(substream->runtime,
+ readl(priv->io + KIRKWOOD_REC_BYTE_COUNT));
+
+ return count;
+}
+
+struct snd_pcm_ops kirkwood_dma_ops = {
+ .open = kirkwood_dma_open,
+ .close = kirkwood_dma_close,
+ .ioctl = snd_pcm_lib_ioctl,
+ .hw_params = kirkwood_dma_hw_params,
+ .hw_free = kirkwood_dma_hw_free,
+ .prepare = kirkwood_dma_prepare,
+ .pointer = kirkwood_dma_pointer,
+};
+
+static int kirkwood_dma_preallocate_dma_buffer(struct snd_pcm *pcm,
+ int stream)
+{
+ struct snd_pcm_substream *substream = pcm->streams[stream].substream;
+ struct snd_dma_buffer *buf = &substream->dma_buffer;
+ size_t size = kirkwood_dma_snd_hw.buffer_bytes_max;
+
+ buf->dev.type = SNDRV_DMA_TYPE_DEV;
+ buf->dev.dev = pcm->card->dev;
+ buf->area = dma_alloc_coherent(pcm->card->dev, size,
+ &buf->addr, GFP_KERNEL);
+ if (!buf->area)
+ return -ENOMEM;
+ buf->bytes = size;
+ buf->private_data = NULL;
+
+ return 0;
+}
+
+static int kirkwood_dma_new(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_card *card = rtd->card->snd_card;
+ struct snd_pcm *pcm = rtd->pcm;
+ int ret;
+
+ if (!card->dev->dma_mask)
+ card->dev->dma_mask = &kirkwood_dma_dmamask;
+ if (!card->dev->coherent_dma_mask)
+ card->dev->coherent_dma_mask = DMA_BIT_MASK(32);
+
+ if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) {
+ ret = kirkwood_dma_preallocate_dma_buffer(pcm,
+ SNDRV_PCM_STREAM_PLAYBACK);
+ if (ret)
+ return ret;
+ }
+
+ if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) {
+ ret = kirkwood_dma_preallocate_dma_buffer(pcm,
+ SNDRV_PCM_STREAM_CAPTURE);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static void kirkwood_dma_free_dma_buffers(struct snd_pcm *pcm)
+{
+ struct snd_pcm_substream *substream;
+ struct snd_dma_buffer *buf;
+ int stream;
+
+ for (stream = 0; stream < 2; stream++) {
+ substream = pcm->streams[stream].substream;
+ if (!substream)
+ continue;
+ buf = &substream->dma_buffer;
+ if (!buf->area)
+ continue;
+
+ dma_free_coherent(pcm->card->dev, buf->bytes,
+ buf->area, buf->addr);
+ buf->area = NULL;
+ }
+}
+
+static struct snd_soc_platform_driver kirkwood_soc_platform = {
+ .ops = &kirkwood_dma_ops,
+ .pcm_new = kirkwood_dma_new,
+ .pcm_free = kirkwood_dma_free_dma_buffers,
+};
+
+static int __devinit kirkwood_soc_platform_probe(struct platform_device *pdev)
+{
+ return snd_soc_register_platform(&pdev->dev, &kirkwood_soc_platform);
+}
+
+static int __devexit kirkwood_soc_platform_remove(struct platform_device *pdev)
+{
+ snd_soc_unregister_platform(&pdev->dev);
+ return 0;
+}
+
+static struct platform_driver kirkwood_pcm_driver = {
+ .driver = {
+ .name = "kirkwood-pcm-audio",
+ .owner = THIS_MODULE,
+ },
+
+ .probe = kirkwood_soc_platform_probe,
+ .remove = __devexit_p(kirkwood_soc_platform_remove),
+};
+
+module_platform_driver(kirkwood_pcm_driver);
+
+MODULE_AUTHOR("Arnaud Patard <arnaud.patard@rtp-net.org>");
+MODULE_DESCRIPTION("Marvell Kirkwood Audio DMA module");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:kirkwood-pcm-audio");
diff --git a/sound/soc/kirkwood/kirkwood-i2s.c b/sound/soc/kirkwood/kirkwood-i2s.c
new file mode 100644
index 00000000..3cb9aa42
--- /dev/null
+++ b/sound/soc/kirkwood/kirkwood-i2s.c
@@ -0,0 +1,491 @@
+/*
+ * kirkwood-i2s.c
+ *
+ * (c) 2010 Arnaud Patard <apatard@mandriva.com>
+ * (c) 2010 Arnaud Patard <arnaud.patard@rtp-net.org>
+ *
+ * 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 <linux/init.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <linux/slab.h>
+#include <linux/mbus.h>
+#include <linux/delay.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <plat/audio.h>
+#include "kirkwood.h"
+
+#define DRV_NAME "kirkwood-i2s"
+
+#define KIRKWOOD_I2S_RATES \
+ (SNDRV_PCM_RATE_44100 | \
+ SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000)
+#define KIRKWOOD_I2S_FORMATS \
+ (SNDRV_PCM_FMTBIT_S16_LE | \
+ SNDRV_PCM_FMTBIT_S24_LE | \
+ SNDRV_PCM_FMTBIT_S32_LE)
+
+static int kirkwood_i2s_set_fmt(struct snd_soc_dai *cpu_dai,
+ unsigned int fmt)
+{
+ struct kirkwood_dma_data *priv = snd_soc_dai_get_drvdata(cpu_dai);
+ unsigned long mask;
+ unsigned long value;
+
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_RIGHT_J:
+ mask = KIRKWOOD_I2S_CTL_RJ;
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ mask = KIRKWOOD_I2S_CTL_LJ;
+ break;
+ case SND_SOC_DAIFMT_I2S:
+ mask = KIRKWOOD_I2S_CTL_I2S;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /*
+ * Set same format for playback and record
+ * This avoids some troubles.
+ */
+ value = readl(priv->io+KIRKWOOD_I2S_PLAYCTL);
+ value &= ~KIRKWOOD_I2S_CTL_JUST_MASK;
+ value |= mask;
+ writel(value, priv->io+KIRKWOOD_I2S_PLAYCTL);
+
+ value = readl(priv->io+KIRKWOOD_I2S_RECCTL);
+ value &= ~KIRKWOOD_I2S_CTL_JUST_MASK;
+ value |= mask;
+ writel(value, priv->io+KIRKWOOD_I2S_RECCTL);
+
+ return 0;
+}
+
+static inline void kirkwood_set_dco(void __iomem *io, unsigned long rate)
+{
+ unsigned long value;
+
+ value = KIRKWOOD_DCO_CTL_OFFSET_0;
+ switch (rate) {
+ default:
+ case 44100:
+ value |= KIRKWOOD_DCO_CTL_FREQ_11;
+ break;
+ case 48000:
+ value |= KIRKWOOD_DCO_CTL_FREQ_12;
+ break;
+ case 96000:
+ value |= KIRKWOOD_DCO_CTL_FREQ_24;
+ break;
+ }
+ writel(value, io + KIRKWOOD_DCO_CTL);
+
+ /* wait for dco locked */
+ do {
+ cpu_relax();
+ value = readl(io + KIRKWOOD_DCO_SPCR_STATUS);
+ value &= KIRKWOOD_DCO_SPCR_STATUS;
+ } while (value == 0);
+}
+
+static int kirkwood_i2s_startup(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct kirkwood_dma_data *priv = snd_soc_dai_get_drvdata(dai);
+
+ snd_soc_dai_set_dma_data(dai, substream, priv);
+ return 0;
+}
+
+static int kirkwood_i2s_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct kirkwood_dma_data *priv = snd_soc_dai_get_drvdata(dai);
+ unsigned int i2s_reg, reg;
+ unsigned long i2s_value, value;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ i2s_reg = KIRKWOOD_I2S_PLAYCTL;
+ reg = KIRKWOOD_PLAYCTL;
+ } else {
+ i2s_reg = KIRKWOOD_I2S_RECCTL;
+ reg = KIRKWOOD_RECCTL;
+ }
+
+ /* set dco conf */
+ kirkwood_set_dco(priv->io, params_rate(params));
+
+ i2s_value = readl(priv->io+i2s_reg);
+ i2s_value &= ~KIRKWOOD_I2S_CTL_SIZE_MASK;
+
+ value = readl(priv->io+reg);
+ value &= ~KIRKWOOD_PLAYCTL_SIZE_MASK;
+
+ /*
+ * Size settings in play/rec i2s control regs and play/rec control
+ * regs must be the same.
+ */
+ switch (params_format(params)) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ i2s_value |= KIRKWOOD_I2S_CTL_SIZE_16;
+ value |= KIRKWOOD_PLAYCTL_SIZE_16_C;
+ break;
+ /*
+ * doesn't work... S20_3LE != kirkwood 20bit format ?
+ *
+ case SNDRV_PCM_FORMAT_S20_3LE:
+ i2s_value |= KIRKWOOD_I2S_CTL_SIZE_20;
+ value |= KIRKWOOD_PLAYCTL_SIZE_20;
+ break;
+ */
+ case SNDRV_PCM_FORMAT_S24_LE:
+ i2s_value |= KIRKWOOD_I2S_CTL_SIZE_24;
+ value |= KIRKWOOD_PLAYCTL_SIZE_24;
+ break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ i2s_value |= KIRKWOOD_I2S_CTL_SIZE_32;
+ value |= KIRKWOOD_PLAYCTL_SIZE_32;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ value &= ~KIRKWOOD_PLAYCTL_MONO_MASK;
+ if (params_channels(params) == 1)
+ value |= KIRKWOOD_PLAYCTL_MONO_BOTH;
+ else
+ value |= KIRKWOOD_PLAYCTL_MONO_OFF;
+ }
+
+ writel(i2s_value, priv->io+i2s_reg);
+ writel(value, priv->io+reg);
+
+ return 0;
+}
+
+static int kirkwood_i2s_play_trigger(struct snd_pcm_substream *substream,
+ int cmd, struct snd_soc_dai *dai)
+{
+ struct kirkwood_dma_data *priv = snd_soc_dai_get_drvdata(dai);
+ unsigned long value;
+
+ /*
+ * specs says KIRKWOOD_PLAYCTL must be read 2 times before
+ * changing it. So read 1 time here and 1 later.
+ */
+ value = readl(priv->io + KIRKWOOD_PLAYCTL);
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ /* stop audio, enable interrupts */
+ value = readl(priv->io + KIRKWOOD_PLAYCTL);
+ value |= KIRKWOOD_PLAYCTL_PAUSE;
+ writel(value, priv->io + KIRKWOOD_PLAYCTL);
+
+ value = readl(priv->io + KIRKWOOD_INT_MASK);
+ value |= KIRKWOOD_INT_CAUSE_PLAY_BYTES;
+ writel(value, priv->io + KIRKWOOD_INT_MASK);
+
+ /* configure audio & enable i2s playback */
+ value = readl(priv->io + KIRKWOOD_PLAYCTL);
+ value &= ~KIRKWOOD_PLAYCTL_BURST_MASK;
+ value &= ~(KIRKWOOD_PLAYCTL_PAUSE | KIRKWOOD_PLAYCTL_I2S_MUTE
+ | KIRKWOOD_PLAYCTL_SPDIF_EN);
+
+ if (priv->burst == 32)
+ value |= KIRKWOOD_PLAYCTL_BURST_32;
+ else
+ value |= KIRKWOOD_PLAYCTL_BURST_128;
+ value |= KIRKWOOD_PLAYCTL_I2S_EN;
+ writel(value, priv->io + KIRKWOOD_PLAYCTL);
+ break;
+
+ case SNDRV_PCM_TRIGGER_STOP:
+ /* stop audio, disable interrupts */
+ value = readl(priv->io + KIRKWOOD_PLAYCTL);
+ value |= KIRKWOOD_PLAYCTL_PAUSE | KIRKWOOD_PLAYCTL_I2S_MUTE;
+ writel(value, priv->io + KIRKWOOD_PLAYCTL);
+
+ value = readl(priv->io + KIRKWOOD_INT_MASK);
+ value &= ~KIRKWOOD_INT_CAUSE_PLAY_BYTES;
+ writel(value, priv->io + KIRKWOOD_INT_MASK);
+
+ /* disable all playbacks */
+ value = readl(priv->io + KIRKWOOD_PLAYCTL);
+ value &= ~(KIRKWOOD_PLAYCTL_I2S_EN | KIRKWOOD_PLAYCTL_SPDIF_EN);
+ writel(value, priv->io + KIRKWOOD_PLAYCTL);
+ break;
+
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ value = readl(priv->io + KIRKWOOD_PLAYCTL);
+ value |= KIRKWOOD_PLAYCTL_PAUSE | KIRKWOOD_PLAYCTL_I2S_MUTE;
+ writel(value, priv->io + KIRKWOOD_PLAYCTL);
+ break;
+
+ case SNDRV_PCM_TRIGGER_RESUME:
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ value = readl(priv->io + KIRKWOOD_PLAYCTL);
+ value &= ~(KIRKWOOD_PLAYCTL_PAUSE | KIRKWOOD_PLAYCTL_I2S_MUTE);
+ writel(value, priv->io + KIRKWOOD_PLAYCTL);
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int kirkwood_i2s_rec_trigger(struct snd_pcm_substream *substream,
+ int cmd, struct snd_soc_dai *dai)
+{
+ struct kirkwood_dma_data *priv = snd_soc_dai_get_drvdata(dai);
+ unsigned long value;
+
+ value = readl(priv->io + KIRKWOOD_RECCTL);
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ /* stop audio, enable interrupts */
+ value = readl(priv->io + KIRKWOOD_RECCTL);
+ value |= KIRKWOOD_RECCTL_PAUSE;
+ writel(value, priv->io + KIRKWOOD_RECCTL);
+
+ value = readl(priv->io + KIRKWOOD_INT_MASK);
+ value |= KIRKWOOD_INT_CAUSE_REC_BYTES;
+ writel(value, priv->io + KIRKWOOD_INT_MASK);
+
+ /* configure audio & enable i2s record */
+ value = readl(priv->io + KIRKWOOD_RECCTL);
+ value &= ~KIRKWOOD_RECCTL_BURST_MASK;
+ value &= ~KIRKWOOD_RECCTL_MONO;
+ value &= ~(KIRKWOOD_RECCTL_PAUSE | KIRKWOOD_RECCTL_MUTE
+ | KIRKWOOD_RECCTL_SPDIF_EN);
+
+ if (priv->burst == 32)
+ value |= KIRKWOOD_RECCTL_BURST_32;
+ else
+ value |= KIRKWOOD_RECCTL_BURST_128;
+ value |= KIRKWOOD_RECCTL_I2S_EN;
+
+ writel(value, priv->io + KIRKWOOD_RECCTL);
+ break;
+
+ case SNDRV_PCM_TRIGGER_STOP:
+ /* stop audio, disable interrupts */
+ value = readl(priv->io + KIRKWOOD_RECCTL);
+ value |= KIRKWOOD_RECCTL_PAUSE | KIRKWOOD_RECCTL_MUTE;
+ writel(value, priv->io + KIRKWOOD_RECCTL);
+
+ value = readl(priv->io + KIRKWOOD_INT_MASK);
+ value &= ~KIRKWOOD_INT_CAUSE_REC_BYTES;
+ writel(value, priv->io + KIRKWOOD_INT_MASK);
+
+ /* disable all records */
+ value = readl(priv->io + KIRKWOOD_RECCTL);
+ value &= ~(KIRKWOOD_RECCTL_I2S_EN | KIRKWOOD_RECCTL_SPDIF_EN);
+ writel(value, priv->io + KIRKWOOD_RECCTL);
+ break;
+
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ value = readl(priv->io + KIRKWOOD_RECCTL);
+ value |= KIRKWOOD_RECCTL_PAUSE | KIRKWOOD_RECCTL_MUTE;
+ writel(value, priv->io + KIRKWOOD_RECCTL);
+ break;
+
+ case SNDRV_PCM_TRIGGER_RESUME:
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ value = readl(priv->io + KIRKWOOD_RECCTL);
+ value &= ~(KIRKWOOD_RECCTL_PAUSE | KIRKWOOD_RECCTL_MUTE);
+ writel(value, priv->io + KIRKWOOD_RECCTL);
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int kirkwood_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
+ struct snd_soc_dai *dai)
+{
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ return kirkwood_i2s_play_trigger(substream, cmd, dai);
+ else
+ return kirkwood_i2s_rec_trigger(substream, cmd, dai);
+
+ return 0;
+}
+
+static int kirkwood_i2s_probe(struct snd_soc_dai *dai)
+{
+ struct kirkwood_dma_data *priv = snd_soc_dai_get_drvdata(dai);
+ unsigned long value;
+ unsigned int reg_data;
+
+ /* put system in a "safe" state : */
+ /* disable audio interrupts */
+ writel(0xffffffff, priv->io + KIRKWOOD_INT_CAUSE);
+ writel(0, priv->io + KIRKWOOD_INT_MASK);
+
+ reg_data = readl(priv->io + 0x1200);
+ reg_data &= (~(0x333FF8));
+ reg_data |= 0x111D18;
+ writel(reg_data, priv->io + 0x1200);
+
+ msleep(500);
+
+ reg_data = readl(priv->io + 0x1200);
+ reg_data &= (~(0x333FF8));
+ reg_data |= 0x111D18;
+ writel(reg_data, priv->io + 0x1200);
+
+ /* disable playback/record */
+ value = readl(priv->io + KIRKWOOD_PLAYCTL);
+ value &= ~(KIRKWOOD_PLAYCTL_I2S_EN|KIRKWOOD_PLAYCTL_SPDIF_EN);
+ writel(value, priv->io + KIRKWOOD_PLAYCTL);
+
+ value = readl(priv->io + KIRKWOOD_RECCTL);
+ value &= ~(KIRKWOOD_RECCTL_I2S_EN | KIRKWOOD_RECCTL_SPDIF_EN);
+ writel(value, priv->io + KIRKWOOD_RECCTL);
+
+ return 0;
+
+}
+
+static int kirkwood_i2s_remove(struct snd_soc_dai *dai)
+{
+ return 0;
+}
+
+static const struct snd_soc_dai_ops kirkwood_i2s_dai_ops = {
+ .startup = kirkwood_i2s_startup,
+ .trigger = kirkwood_i2s_trigger,
+ .hw_params = kirkwood_i2s_hw_params,
+ .set_fmt = kirkwood_i2s_set_fmt,
+};
+
+
+static struct snd_soc_dai_driver kirkwood_i2s_dai = {
+ .probe = kirkwood_i2s_probe,
+ .remove = kirkwood_i2s_remove,
+ .playback = {
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = KIRKWOOD_I2S_RATES,
+ .formats = KIRKWOOD_I2S_FORMATS,},
+ .capture = {
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = KIRKWOOD_I2S_RATES,
+ .formats = KIRKWOOD_I2S_FORMATS,},
+ .ops = &kirkwood_i2s_dai_ops,
+};
+
+static __devinit int kirkwood_i2s_dev_probe(struct platform_device *pdev)
+{
+ struct resource *mem;
+ struct kirkwood_asoc_platform_data *data =
+ pdev->dev.platform_data;
+ struct kirkwood_dma_data *priv;
+ int err;
+
+ priv = kzalloc(sizeof(struct kirkwood_dma_data), GFP_KERNEL);
+ if (!priv) {
+ dev_err(&pdev->dev, "allocation failed\n");
+ err = -ENOMEM;
+ goto error;
+ }
+ dev_set_drvdata(&pdev->dev, priv);
+
+ mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!mem) {
+ dev_err(&pdev->dev, "platform_get_resource failed\n");
+ err = -ENXIO;
+ goto err_alloc;
+ }
+
+ priv->mem = request_mem_region(mem->start, SZ_16K, DRV_NAME);
+ if (!priv->mem) {
+ dev_err(&pdev->dev, "request_mem_region failed\n");
+ err = -EBUSY;
+ goto err_alloc;
+ }
+
+ priv->io = ioremap(priv->mem->start, SZ_16K);
+ if (!priv->io) {
+ dev_err(&pdev->dev, "ioremap failed\n");
+ err = -ENOMEM;
+ goto err_iomem;
+ }
+
+ priv->irq = platform_get_irq(pdev, 0);
+ if (priv->irq <= 0) {
+ dev_err(&pdev->dev, "platform_get_irq failed\n");
+ err = -ENXIO;
+ goto err_ioremap;
+ }
+
+ if (!data) {
+ dev_err(&pdev->dev, "no platform data ?!\n");
+ err = -EINVAL;
+ goto err_ioremap;
+ }
+
+ priv->burst = data->burst;
+
+ return snd_soc_register_dai(&pdev->dev, &kirkwood_i2s_dai);
+
+err_ioremap:
+ iounmap(priv->io);
+err_iomem:
+ release_mem_region(priv->mem->start, SZ_16K);
+err_alloc:
+ kfree(priv);
+error:
+ return err;
+}
+
+static __devexit int kirkwood_i2s_dev_remove(struct platform_device *pdev)
+{
+ struct kirkwood_dma_data *priv = dev_get_drvdata(&pdev->dev);
+
+ snd_soc_unregister_dai(&pdev->dev);
+ iounmap(priv->io);
+ release_mem_region(priv->mem->start, SZ_16K);
+ kfree(priv);
+
+ return 0;
+}
+
+static struct platform_driver kirkwood_i2s_driver = {
+ .probe = kirkwood_i2s_dev_probe,
+ .remove = __devexit_p(kirkwood_i2s_dev_remove),
+ .driver = {
+ .name = DRV_NAME,
+ .owner = THIS_MODULE,
+ },
+};
+
+module_platform_driver(kirkwood_i2s_driver);
+
+/* Module information */
+MODULE_AUTHOR("Arnaud Patard, <arnaud.patard@rtp-net.org>");
+MODULE_DESCRIPTION("Kirkwood I2S SoC Interface");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:kirkwood-i2s");
diff --git a/sound/soc/kirkwood/kirkwood-openrd.c b/sound/soc/kirkwood/kirkwood-openrd.c
new file mode 100644
index 00000000..80bd59c3
--- /dev/null
+++ b/sound/soc/kirkwood/kirkwood-openrd.c
@@ -0,0 +1,111 @@
+/*
+ * kirkwood-openrd.c
+ *
+ * (c) 2010 Arnaud Patard <apatard@mandriva.com>
+ * (c) 2010 Arnaud Patard <arnaud.patard@rtp-net.org>
+ *
+ * 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 <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <sound/soc.h>
+#include <mach/kirkwood.h>
+#include <plat/audio.h>
+#include <asm/mach-types.h>
+#include "../codecs/cs42l51.h"
+
+static int openrd_client_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;
+ unsigned int freq;
+
+ switch (params_rate(params)) {
+ default:
+ case 44100:
+ freq = 11289600;
+ break;
+ case 48000:
+ freq = 12288000;
+ break;
+ case 96000:
+ freq = 24576000;
+ break;
+ }
+
+ return snd_soc_dai_set_sysclk(codec_dai, 0, freq, SND_SOC_CLOCK_IN);
+
+}
+
+static struct snd_soc_ops openrd_client_ops = {
+ .hw_params = openrd_client_hw_params,
+};
+
+
+static struct snd_soc_dai_link openrd_client_dai[] = {
+{
+ .name = "CS42L51",
+ .stream_name = "CS42L51 HiFi",
+ .cpu_dai_name = "kirkwood-i2s",
+ .platform_name = "kirkwood-pcm-audio",
+ .codec_dai_name = "cs42l51-hifi",
+ .codec_name = "cs42l51-codec.0-004a",
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS,
+ .ops = &openrd_client_ops,
+},
+};
+
+
+static struct snd_soc_card openrd_client = {
+ .name = "OpenRD Client",
+ .owner = THIS_MODULE,
+ .dai_link = openrd_client_dai,
+ .num_links = ARRAY_SIZE(openrd_client_dai),
+};
+
+static int __devinit openrd_probe(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = &openrd_client;
+ int ret;
+
+ card->dev = &pdev->dev;
+
+ ret = snd_soc_register_card(card);
+ if (ret)
+ dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
+ ret);
+ return ret;
+}
+
+static int __devexit openrd_remove(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = platform_get_drvdata(pdev);
+
+ snd_soc_unregister_card(card);
+ return 0;
+}
+
+static struct platform_driver openrd_driver = {
+ .driver = {
+ .name = "openrd-client-audio",
+ .owner = THIS_MODULE,
+ },
+ .probe = openrd_probe,
+ .remove = __devexit_p(openrd_remove),
+};
+
+module_platform_driver(openrd_driver);
+
+/* Module information */
+MODULE_AUTHOR("Arnaud Patard <arnaud.patard@rtp-net.org>");
+MODULE_DESCRIPTION("ALSA SoC OpenRD Client");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:openrd-client-audio");
diff --git a/sound/soc/kirkwood/kirkwood-t5325.c b/sound/soc/kirkwood/kirkwood-t5325.c
new file mode 100644
index 00000000..f8983635
--- /dev/null
+++ b/sound/soc/kirkwood/kirkwood-t5325.c
@@ -0,0 +1,131 @@
+/*
+ * kirkwood-t5325.c
+ *
+ * (c) 2010 Arnaud Patard <arnaud.patard@rtp-net.org>
+ *
+ * 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 <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <sound/soc.h>
+#include <mach/kirkwood.h>
+#include <plat/audio.h>
+#include <asm/mach-types.h>
+#include "../codecs/alc5623.h"
+
+static int t5325_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;
+ unsigned int freq;
+
+ freq = params_rate(params) * 256;
+
+ return snd_soc_dai_set_sysclk(codec_dai, 0, freq, SND_SOC_CLOCK_IN);
+
+}
+
+static struct snd_soc_ops t5325_ops = {
+ .hw_params = t5325_hw_params,
+};
+
+static const struct snd_soc_dapm_widget t5325_dapm_widgets[] = {
+ SND_SOC_DAPM_HP("Headphone Jack", NULL),
+ SND_SOC_DAPM_SPK("Speaker", NULL),
+ SND_SOC_DAPM_MIC("Mic Jack", NULL),
+};
+
+static const struct snd_soc_dapm_route t5325_route[] = {
+ { "Headphone Jack", NULL, "HPL" },
+ { "Headphone Jack", NULL, "HPR" },
+
+ {"Speaker", NULL, "SPKOUT"},
+ {"Speaker", NULL, "SPKOUTN"},
+
+ { "MIC1", NULL, "Mic Jack" },
+ { "MIC2", NULL, "Mic Jack" },
+};
+
+static int t5325_dai_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_dapm_context *dapm = &codec->dapm;
+
+ snd_soc_dapm_enable_pin(dapm, "Mic Jack");
+ snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
+ snd_soc_dapm_enable_pin(dapm, "Speaker");
+
+ return 0;
+}
+
+static struct snd_soc_dai_link t5325_dai[] = {
+{
+ .name = "ALC5621",
+ .stream_name = "ALC5621 HiFi",
+ .cpu_dai_name = "kirkwood-i2s",
+ .platform_name = "kirkwood-pcm-audio",
+ .codec_dai_name = "alc5621-hifi",
+ .codec_name = "alc562x-codec.0-001a",
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS,
+ .ops = &t5325_ops,
+ .init = t5325_dai_init,
+},
+};
+
+static struct snd_soc_card t5325 = {
+ .name = "t5325",
+ .owner = THIS_MODULE,
+ .dai_link = t5325_dai,
+ .num_links = ARRAY_SIZE(t5325_dai),
+
+ .dapm_widgets = t5325_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(t5325_dapm_widgets),
+ .dapm_routes = t5325_route,
+ .num_dapm_routes = ARRAY_SIZE(t5325_route),
+};
+
+static int __devinit t5325_probe(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = &t5325;
+ int ret;
+
+ card->dev = &pdev->dev;
+
+ ret = snd_soc_register_card(card);
+ if (ret)
+ dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
+ ret);
+ return ret;
+}
+
+static int __devexit t5325_remove(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = platform_get_drvdata(pdev);
+
+ snd_soc_unregister_card(card);
+ return 0;
+}
+
+static struct platform_driver t5325_driver = {
+ .driver = {
+ .name = "t5325-audio",
+ .owner = THIS_MODULE,
+ },
+ .probe = t5325_probe,
+ .remove = __devexit_p(t5325_remove),
+};
+
+module_platform_driver(t5325_driver);
+
+MODULE_AUTHOR("Arnaud Patard <arnaud.patard@rtp-net.org>");
+MODULE_DESCRIPTION("ALSA SoC t5325 audio client");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:t5325-audio");
diff --git a/sound/soc/kirkwood/kirkwood.h b/sound/soc/kirkwood/kirkwood.h
new file mode 100644
index 00000000..9047436b
--- /dev/null
+++ b/sound/soc/kirkwood/kirkwood.h
@@ -0,0 +1,128 @@
+/*
+ * kirkwood.h
+ *
+ * (c) 2010 Arnaud Patard <apatard@mandriva.com>
+ *
+ * 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.
+ */
+
+#ifndef _KIRKWOOD_AUDIO_H
+#define _KIRKWOOD_AUDIO_H
+
+#define KIRKWOOD_RECORD_WIN 0
+#define KIRKWOOD_PLAYBACK_WIN 1
+#define KIRKWOOD_MAX_AUDIO_WIN 2
+
+#define KIRKWOOD_AUDIO_WIN_BASE_REG(win) (0xA00 + ((win)<<3))
+#define KIRKWOOD_AUDIO_WIN_CTRL_REG(win) (0xA04 + ((win)<<3))
+
+
+#define KIRKWOOD_RECCTL 0x1000
+#define KIRKWOOD_RECCTL_SPDIF_EN (1<<11)
+#define KIRKWOOD_RECCTL_I2S_EN (1<<10)
+#define KIRKWOOD_RECCTL_PAUSE (1<<9)
+#define KIRKWOOD_RECCTL_MUTE (1<<8)
+#define KIRKWOOD_RECCTL_BURST_MASK (3<<5)
+#define KIRKWOOD_RECCTL_BURST_128 (2<<5)
+#define KIRKWOOD_RECCTL_BURST_32 (1<<5)
+#define KIRKWOOD_RECCTL_MONO (1<<4)
+#define KIRKWOOD_RECCTL_MONO_CHAN_RIGHT (1<<3)
+#define KIRKWOOD_RECCTL_MONO_CHAN_LEFT (0<<3)
+#define KIRKWOOD_RECCTL_SIZE_MASK (7<<0)
+#define KIRKWOOD_RECCTL_SIZE_16 (7<<0)
+#define KIRKWOOD_RECCTL_SIZE_16_C (3<<0)
+#define KIRKWOOD_RECCTL_SIZE_20 (2<<0)
+#define KIRKWOOD_RECCTL_SIZE_24 (1<<0)
+#define KIRKWOOD_RECCTL_SIZE_32 (0<<0)
+
+#define KIRKWOOD_REC_BUF_ADDR 0x1004
+#define KIRKWOOD_REC_BUF_SIZE 0x1008
+#define KIRKWOOD_REC_BYTE_COUNT 0x100C
+
+#define KIRKWOOD_PLAYCTL 0x1100
+#define KIRKWOOD_PLAYCTL_PLAY_BUSY (1<<16)
+#define KIRKWOOD_PLAYCTL_BURST_MASK (3<<11)
+#define KIRKWOOD_PLAYCTL_BURST_128 (2<<11)
+#define KIRKWOOD_PLAYCTL_BURST_32 (1<<11)
+#define KIRKWOOD_PLAYCTL_PAUSE (1<<9)
+#define KIRKWOOD_PLAYCTL_SPDIF_MUTE (1<<8)
+#define KIRKWOOD_PLAYCTL_MONO_MASK (3<<5)
+#define KIRKWOOD_PLAYCTL_MONO_BOTH (3<<5)
+#define KIRKWOOD_PLAYCTL_MONO_OFF (0<<5)
+#define KIRKWOOD_PLAYCTL_I2S_MUTE (1<<7)
+#define KIRKWOOD_PLAYCTL_SPDIF_EN (1<<4)
+#define KIRKWOOD_PLAYCTL_I2S_EN (1<<3)
+#define KIRKWOOD_PLAYCTL_SIZE_MASK (7<<0)
+#define KIRKWOOD_PLAYCTL_SIZE_16 (7<<0)
+#define KIRKWOOD_PLAYCTL_SIZE_16_C (3<<0)
+#define KIRKWOOD_PLAYCTL_SIZE_20 (2<<0)
+#define KIRKWOOD_PLAYCTL_SIZE_24 (1<<0)
+#define KIRKWOOD_PLAYCTL_SIZE_32 (0<<0)
+
+#define KIRKWOOD_PLAY_BUF_ADDR 0x1104
+#define KIRKWOOD_PLAY_BUF_SIZE 0x1108
+#define KIRKWOOD_PLAY_BYTE_COUNT 0x110C
+
+#define KIRKWOOD_DCO_CTL 0x1204
+#define KIRKWOOD_DCO_CTL_OFFSET_MASK (0xFFF<<2)
+#define KIRKWOOD_DCO_CTL_OFFSET_0 (0x800<<2)
+#define KIRKWOOD_DCO_CTL_FREQ_MASK (3<<0)
+#define KIRKWOOD_DCO_CTL_FREQ_11 (0<<0)
+#define KIRKWOOD_DCO_CTL_FREQ_12 (1<<0)
+#define KIRKWOOD_DCO_CTL_FREQ_24 (2<<0)
+
+#define KIRKWOOD_DCO_SPCR_STATUS 0x120c
+#define KIRKWOOD_DCO_SPCR_STATUS_DCO_LOCK (1<<16)
+
+#define KIRKWOOD_ERR_CAUSE 0x1300
+#define KIRKWOOD_ERR_MASK 0x1304
+
+#define KIRKWOOD_INT_CAUSE 0x1308
+#define KIRKWOOD_INT_MASK 0x130C
+#define KIRKWOOD_INT_CAUSE_PLAY_BYTES (1<<14)
+#define KIRKWOOD_INT_CAUSE_REC_BYTES (1<<13)
+#define KIRKWOOD_INT_CAUSE_DMA_PLAY_END (1<<7)
+#define KIRKWOOD_INT_CAUSE_DMA_PLAY_3Q (1<<6)
+#define KIRKWOOD_INT_CAUSE_DMA_PLAY_HALF (1<<5)
+#define KIRKWOOD_INT_CAUSE_DMA_PLAY_1Q (1<<4)
+#define KIRKWOOD_INT_CAUSE_DMA_REC_END (1<<3)
+#define KIRKWOOD_INT_CAUSE_DMA_REC_3Q (1<<2)
+#define KIRKWOOD_INT_CAUSE_DMA_REC_HALF (1<<1)
+#define KIRKWOOD_INT_CAUSE_DMA_REC_1Q (1<<0)
+
+#define KIRKWOOD_REC_BYTE_INT_COUNT 0x1310
+#define KIRKWOOD_PLAY_BYTE_INT_COUNT 0x1314
+#define KIRKWOOD_BYTE_INT_COUNT_MASK 0xffffff
+
+#define KIRKWOOD_I2S_PLAYCTL 0x2508
+#define KIRKWOOD_I2S_RECCTL 0x2408
+#define KIRKWOOD_I2S_CTL_JUST_MASK (0xf<<26)
+#define KIRKWOOD_I2S_CTL_LJ (0<<26)
+#define KIRKWOOD_I2S_CTL_I2S (5<<26)
+#define KIRKWOOD_I2S_CTL_RJ (8<<26)
+#define KIRKWOOD_I2S_CTL_SIZE_MASK (3<<30)
+#define KIRKWOOD_I2S_CTL_SIZE_16 (3<<30)
+#define KIRKWOOD_I2S_CTL_SIZE_20 (2<<30)
+#define KIRKWOOD_I2S_CTL_SIZE_24 (1<<30)
+#define KIRKWOOD_I2S_CTL_SIZE_32 (0<<30)
+
+#define KIRKWOOD_AUDIO_BUF_MAX (16*1024*1024)
+
+/* Theses values come from the marvell alsa driver */
+/* need to find where they come from */
+#define KIRKWOOD_SND_MIN_PERIODS 8
+#define KIRKWOOD_SND_MAX_PERIODS 16
+#define KIRKWOOD_SND_MIN_PERIOD_BYTES 0x4000
+#define KIRKWOOD_SND_MAX_PERIOD_BYTES 0x4000
+
+struct kirkwood_dma_data {
+ struct resource *mem;
+ void __iomem *io;
+ int irq;
+ int burst;
+};
+
+#endif