Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 290 insertions, 0 deletions

diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h
new file mode 100644
index 00000000..c429f248
--- /dev/null
+++ b/include/sound/soc-dai.h
@@ -0,0 +1,290 @@
+/*
+ * linux/sound/soc-dai.h -- ALSA SoC Layer
+ *
+ * Copyright:	2005-2008 Wolfson Microelectronics. PLC.
+ *
+ * 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.
+ *
+ * Digital Audio Interface (DAI) API.
+ */
+
+#ifndef __LINUX_SND_SOC_DAI_H
+#define __LINUX_SND_SOC_DAI_H
+
+
+#include <linux/list.h>
+
+struct snd_pcm_substream;
+struct snd_soc_dapm_widget;
+
+/*
+ * DAI hardware audio formats.
+ *
+ * Describes the physical PCM data formating and clocking. Add new formats
+ * to the end.
+ */
+#define SND_SOC_DAIFMT_I2S		1 /* I2S mode */
+#define SND_SOC_DAIFMT_RIGHT_J		2 /* Right Justified mode */
+#define SND_SOC_DAIFMT_LEFT_J		3 /* Left Justified mode */
+#define SND_SOC_DAIFMT_DSP_A		4 /* L data MSB after FRM LRC */
+#define SND_SOC_DAIFMT_DSP_B		5 /* L data MSB during FRM LRC */
+#define SND_SOC_DAIFMT_AC97		6 /* AC97 */
+#define SND_SOC_DAIFMT_PDM		7 /* Pulse density modulation */
+
+/* left and right justified also known as MSB and LSB respectively */
+#define SND_SOC_DAIFMT_MSB		SND_SOC_DAIFMT_LEFT_J
+#define SND_SOC_DAIFMT_LSB		SND_SOC_DAIFMT_RIGHT_J
+
+/*
+ * DAI Clock gating.
+ *
+ * DAI bit clocks can be be gated (disabled) when the DAI is not
+ * sending or receiving PCM data in a frame. This can be used to save power.
+ */
+#define SND_SOC_DAIFMT_CONT		(1 << 4) /* continuous clock */
+#define SND_SOC_DAIFMT_GATED		(2 << 4) /* clock is gated */
+
+/*
+ * DAI hardware signal inversions.
+ *
+ * Specifies whether the DAI can also support inverted clocks for the specified
+ * format.
+ */
+#define SND_SOC_DAIFMT_NB_NF		(1 << 8) /* normal bit clock + frame */
+#define SND_SOC_DAIFMT_NB_IF		(2 << 8) /* normal BCLK + inv FRM */
+#define SND_SOC_DAIFMT_IB_NF		(3 << 8) /* invert BCLK + nor FRM */
+#define SND_SOC_DAIFMT_IB_IF		(4 << 8) /* invert BCLK + FRM */
+
+/*
+ * DAI hardware clock masters.
+ *
+ * This is wrt the codec, the inverse is true for the interface
+ * i.e. if the codec is clk and FRM master then the interface is
+ * clk and frame slave.
+ */
+#define SND_SOC_DAIFMT_CBM_CFM		(1 << 12) /* codec clk & FRM master */
+#define SND_SOC_DAIFMT_CBS_CFM		(2 << 12) /* codec clk slave & FRM master */
+#define SND_SOC_DAIFMT_CBM_CFS		(3 << 12) /* codec clk master & frame slave */
+#define SND_SOC_DAIFMT_CBS_CFS		(4 << 12) /* codec clk & FRM slave */
+
+#define SND_SOC_DAIFMT_FORMAT_MASK	0x000f
+#define SND_SOC_DAIFMT_CLOCK_MASK	0x00f0
+#define SND_SOC_DAIFMT_INV_MASK		0x0f00
+#define SND_SOC_DAIFMT_MASTER_MASK	0xf000
+
+/*
+ * Master Clock Directions
+ */
+#define SND_SOC_CLOCK_IN		0
+#define SND_SOC_CLOCK_OUT		1
+
+#define SND_SOC_STD_AC97_FMTS (SNDRV_PCM_FMTBIT_S8 |\
+			       SNDRV_PCM_FMTBIT_S16_LE |\
+			       SNDRV_PCM_FMTBIT_S16_BE |\
+			       SNDRV_PCM_FMTBIT_S20_3LE |\
+			       SNDRV_PCM_FMTBIT_S20_3BE |\
+			       SNDRV_PCM_FMTBIT_S24_3LE |\
+			       SNDRV_PCM_FMTBIT_S24_3BE |\
+                               SNDRV_PCM_FMTBIT_S32_LE |\
+                               SNDRV_PCM_FMTBIT_S32_BE)
+
+struct snd_soc_dai_driver;
+struct snd_soc_dai;
+struct snd_ac97_bus_ops;
+
+/* Digital Audio Interface registration */
+int snd_soc_register_dai(struct device *dev,
+		struct snd_soc_dai_driver *dai_drv);
+void snd_soc_unregister_dai(struct device *dev);
+int snd_soc_register_dais(struct device *dev,
+		struct snd_soc_dai_driver *dai_drv, size_t count);
+void snd_soc_unregister_dais(struct device *dev, size_t count);
+
+/* Digital Audio Interface clocking API.*/
+int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id,
+	unsigned int freq, int dir);
+
+int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai,
+	int div_id, int div);
+
+int snd_soc_dai_set_pll(struct snd_soc_dai *dai,
+	int pll_id, int source, unsigned int freq_in, unsigned int freq_out);
+
+/* Digital Audio interface formatting */
+int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt);
+
+int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai,
+	unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width);
+
+int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai,
+	unsigned int tx_num, unsigned int *tx_slot,
+	unsigned int rx_num, unsigned int *rx_slot);
+
+int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate);
+
+/* Digital Audio Interface mute */
+int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute);
+
+struct snd_soc_dai_ops {
+	/*
+	 * DAI clocking configuration, all optional.
+	 * Called by soc_card drivers, normally in their hw_params.
+	 */
+	int (*set_sysclk)(struct snd_soc_dai *dai,
+		int clk_id, unsigned int freq, int dir);
+	int (*set_pll)(struct snd_soc_dai *dai, int pll_id, int source,
+		unsigned int freq_in, unsigned int freq_out);
+	int (*set_clkdiv)(struct snd_soc_dai *dai, int div_id, int div);
+
+	/*
+	 * DAI format configuration
+	 * Called by soc_card drivers, normally in their hw_params.
+	 */
+	int (*set_fmt)(struct snd_soc_dai *dai, unsigned int fmt);
+	int (*set_tdm_slot)(struct snd_soc_dai *dai,
+		unsigned int tx_mask, unsigned int rx_mask,
+		int slots, int slot_width);
+	int (*set_channel_map)(struct snd_soc_dai *dai,
+		unsigned int tx_num, unsigned int *tx_slot,
+		unsigned int rx_num, unsigned int *rx_slot);
+	int (*set_tristate)(struct snd_soc_dai *dai, int tristate);
+
+	/*
+	 * DAI digital mute - optional.
+	 * Called by soc-core to minimise any pops.
+	 */
+	int (*digital_mute)(struct snd_soc_dai *dai, int mute);
+
+	/*
+	 * ALSA PCM audio operations - all optional.
+	 * Called by soc-core during audio PCM operations.
+	 */
+	int (*startup)(struct snd_pcm_substream *,
+		struct snd_soc_dai *);
+	void (*shutdown)(struct snd_pcm_substream *,
+		struct snd_soc_dai *);
+	int (*hw_params)(struct snd_pcm_substream *,
+		struct snd_pcm_hw_params *, struct snd_soc_dai *);
+	int (*hw_free)(struct snd_pcm_substream *,
+		struct snd_soc_dai *);
+	int (*prepare)(struct snd_pcm_substream *,
+		struct snd_soc_dai *);
+	int (*trigger)(struct snd_pcm_substream *, int,
+		struct snd_soc_dai *);
+	/*
+	 * For hardware based FIFO caused delay reporting.
+	 * Optional.
+	 */
+	snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *,
+		struct snd_soc_dai *);
+};
+
+/*
+ * Digital Audio Interface Driver.
+ *
+ * Describes the Digital Audio Interface in terms of its ALSA, DAI and AC97
+ * operations and capabilities. Codec and platform drivers will register this
+ * structure for every DAI they have.
+ *
+ * This structure covers the clocking, formating and ALSA operations for each
+ * interface.
+ */
+struct snd_soc_dai_driver {
+	/* DAI description */
+	const char *name;
+	unsigned int id;
+	int ac97_control;
+
+	/* DAI driver callbacks */
+	int (*probe)(struct snd_soc_dai *dai);
+	int (*remove)(struct snd_soc_dai *dai);
+	int (*suspend)(struct snd_soc_dai *dai);
+	int (*resume)(struct snd_soc_dai *dai);
+
+	/* ops */
+	const struct snd_soc_dai_ops *ops;
+
+	/* DAI capabilities */
+	struct snd_soc_pcm_stream capture;
+	struct snd_soc_pcm_stream playback;
+	unsigned int symmetric_rates:1;
+
+	/* probe ordering - for components with runtime dependencies */
+	int probe_order;
+	int remove_order;
+};
+
+/*
+ * Digital Audio Interface runtime data.
+ *
+ * Holds runtime data for a DAI.
+ */
+struct snd_soc_dai {
+	const char *name;
+	int id;
+	struct device *dev;
+	void *ac97_pdata;	/* platform_data for the ac97 codec */
+
+	/* driver ops */
+	struct snd_soc_dai_driver *driver;
+
+	/* DAI runtime info */
+	unsigned int capture_active:1;		/* stream is in use */
+	unsigned int playback_active:1;		/* stream is in use */
+	unsigned int symmetric_rates:1;
+	struct snd_pcm_runtime *runtime;
+	unsigned int active;
+	unsigned char pop_wait:1;
+	unsigned char probed:1;
+
+	struct snd_soc_dapm_widget *playback_widget;
+	struct snd_soc_dapm_widget *capture_widget;
+
+	/* DAI DMA data */
+	void *playback_dma_data;
+	void *capture_dma_data;
+
+	/* Symmetry data - only valid if symmetry is being enforced */
+	unsigned int rate;
+
+	/* parent platform/codec */
+	struct snd_soc_platform *platform;
+	struct snd_soc_codec *codec;
+
+	struct snd_soc_card *card;
+
+	struct list_head list;
+	struct list_head card_list;
+};
+
+static inline void *snd_soc_dai_get_dma_data(const struct snd_soc_dai *dai,
+					     const struct snd_pcm_substream *ss)
+{
+	return (ss->stream == SNDRV_PCM_STREAM_PLAYBACK) ?
+		dai->playback_dma_data : dai->capture_dma_data;
+}
+
+static inline void snd_soc_dai_set_dma_data(struct snd_soc_dai *dai,
+					    const struct snd_pcm_substream *ss,
+					    void *data)
+{
+	if (ss->stream == SNDRV_PCM_STREAM_PLAYBACK)
+		dai->playback_dma_data = data;
+	else
+		dai->capture_dma_data = data;
+}
+
+static inline void snd_soc_dai_set_drvdata(struct snd_soc_dai *dai,
+		void *data)
+{
+	dev_set_drvdata(dai->dev, data);
+}
+
+static inline void *snd_soc_dai_get_drvdata(struct snd_soc_dai *dai)
+{
+	return dev_get_drvdata(dai->dev);
+}
+
+#endif