1 files changed, 0 insertions, 364 deletions
diff --git a/sound/soc/omap/omap-hdmi.c b/sound/soc/omap/omap-hdmi.c
deleted file mode 100644
index eb9c39299f81..000000000000
--- a/sound/soc/omap/omap-hdmi.c
+++ /dev/null
@@ -1,364 +0,0 @@
-/*
- * omap-hdmi.c
- *
- * OMAP ALSA SoC DAI driver for HDMI audio on OMAP4 processors.
- * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com/
- * Authors: Jorge Candelaria <jorge.candelaria@ti.com>
- *          Ricardo Neri <ricardo.neri@ti.com>
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA
- *
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/device.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
-#include <sound/initval.h>
-#include <sound/soc.h>
-#include <sound/asound.h>
-#include <sound/asoundef.h>
-#include <sound/dmaengine_pcm.h>
-#include <video/omapdss.h>
-#include <sound/omap-pcm.h>
-
-#include "omap-hdmi.h"
-
-#define DRV_NAME "omap-hdmi-audio-dai"
-
-struct hdmi_priv {
-	struct snd_dmaengine_dai_dma_data dma_data;
-	unsigned int dma_req;
-	struct omap_dss_audio dss_audio;
-	struct snd_aes_iec958 iec;
-	struct snd_cea_861_aud_if cea;
-	struct omap_dss_device *dssdev;
-};
-
-static int omap_hdmi_dai_startup(struct snd_pcm_substream *substream,
-				  struct snd_soc_dai *dai)
-{
-	struct hdmi_priv *priv = snd_soc_dai_get_drvdata(dai);
-	int err;
-	/*
-	 * Make sure that the period bytes are multiple of the DMA packet size.
-	 * Largest packet size we use is 32 32-bit words = 128 bytes
-	 */
-	err = snd_pcm_hw_constraint_step(substream->runtime, 0,
-				 SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 128);
-	if (err < 0) {
-		dev_err(dai->dev, "could not apply constraint\n");
-		return err;
-	}
-
-	if (!priv->dssdev->driver->audio_supported(priv->dssdev)) {
-		dev_err(dai->dev, "audio not supported\n");
-		return -ENODEV;
-	}
-
-	snd_soc_dai_set_dma_data(dai, substream, &priv->dma_data);
-
-	return 0;
-}
-
-static int omap_hdmi_dai_prepare(struct snd_pcm_substream *substream,
-				struct snd_soc_dai *dai)
-{
-	struct hdmi_priv *priv = snd_soc_dai_get_drvdata(dai);
-
-	return priv->dssdev->driver->audio_enable(priv->dssdev);
-}
-
-static int omap_hdmi_dai_hw_params(struct snd_pcm_substream *substream,
-				    struct snd_pcm_hw_params *params,
-				    struct snd_soc_dai *dai)
-{
-	struct hdmi_priv *priv = snd_soc_dai_get_drvdata(dai);
-	struct snd_aes_iec958 *iec = &priv->iec;
-	struct snd_cea_861_aud_if *cea = &priv->cea;
-	int err = 0;
-
-	switch (params_format(params)) {
-	case SNDRV_PCM_FORMAT_S16_LE:
-		priv->dma_data.maxburst = 16;
-		break;
-	case SNDRV_PCM_FORMAT_S24_LE:
-		priv->dma_data.maxburst = 32;
-		break;
-	default:
-		dev_err(dai->dev, "format not supported!\n");
-		return -EINVAL;
-	}
-
-	/*
-	 * fill the IEC-60958 channel status word
-	 */
-	/* initialize the word bytes */
-	memset(iec->status, 0, sizeof(iec->status));
-
-	/* specify IEC-60958-3 (commercial use) */
-	iec->status[0] &= ~IEC958_AES0_PROFESSIONAL;
-
-	/* specify that the audio is LPCM*/
-	iec->status[0] &= ~IEC958_AES0_NONAUDIO;
-
-	iec->status[0] |= IEC958_AES0_CON_NOT_COPYRIGHT;
-
-	iec->status[0] |= IEC958_AES0_CON_EMPHASIS_NONE;
-
-	iec->status[0] |= IEC958_AES1_PRO_MODE_NOTID;
-
-	iec->status[1] = IEC958_AES1_CON_GENERAL;
-
-	iec->status[2] |= IEC958_AES2_CON_SOURCE_UNSPEC;
-
-	iec->status[2] |= IEC958_AES2_CON_CHANNEL_UNSPEC;
-
-	switch (params_rate(params)) {
-	case 32000:
-		iec->status[3] |= IEC958_AES3_CON_FS_32000;
-		break;
-	case 44100:
-		iec->status[3] |= IEC958_AES3_CON_FS_44100;
-		break;
-	case 48000:
-		iec->status[3] |= IEC958_AES3_CON_FS_48000;
-		break;
-	case 88200:
-		iec->status[3] |= IEC958_AES3_CON_FS_88200;
-		break;
-	case 96000:
-		iec->status[3] |= IEC958_AES3_CON_FS_96000;
-		break;
-	case 176400:
-		iec->status[3] |= IEC958_AES3_CON_FS_176400;
-		break;
-	case 192000:
-		iec->status[3] |= IEC958_AES3_CON_FS_192000;
-		break;
-	default:
-		dev_err(dai->dev, "rate not supported!\n");
-		return -EINVAL;
-	}
-
-	/* specify the clock accuracy */
-	iec->status[3] |= IEC958_AES3_CON_CLOCK_1000PPM;
-
-	/*
-	 * specify the word length. The same word length value can mean
-	 * two different lengths. Hence, we need to specify the maximum
-	 * word length as well.
-	 */
-	switch (params_format(params)) {
-	case SNDRV_PCM_FORMAT_S16_LE:
-		iec->status[4] |= IEC958_AES4_CON_WORDLEN_20_16;
-		iec->status[4] &= ~IEC958_AES4_CON_MAX_WORDLEN_24;
-		break;
-	case SNDRV_PCM_FORMAT_S24_LE:
-		iec->status[4] |= IEC958_AES4_CON_WORDLEN_24_20;
-		iec->status[4] |= IEC958_AES4_CON_MAX_WORDLEN_24;
-		break;
-	default:
-		dev_err(dai->dev, "format not supported!\n");
-		return -EINVAL;
-	}
-
-	/*
-	 * Fill the CEA-861 audio infoframe (see spec for details)
-	 */
-
-	cea->db1_ct_cc = (params_channels(params) - 1)
-		& CEA861_AUDIO_INFOFRAME_DB1CC;
-	cea->db1_ct_cc |= CEA861_AUDIO_INFOFRAME_DB1CT_FROM_STREAM;
-
-	cea->db2_sf_ss = CEA861_AUDIO_INFOFRAME_DB2SF_FROM_STREAM;
-	cea->db2_sf_ss |= CEA861_AUDIO_INFOFRAME_DB2SS_FROM_STREAM;
-
-	cea->db3 = 0; /* not used, all zeros */
-
-	/*
-	 * The OMAP HDMI IP requires to use the 8-channel channel code when
-	 * transmitting more than two channels.
-	 */
-	if (params_channels(params) == 2)
-		cea->db4_ca = 0x0;
-	else
-		cea->db4_ca = 0x13;
-
-	cea->db5_dminh_lsv = CEA861_AUDIO_INFOFRAME_DB5_DM_INH_PROHIBITED;
-	/* the expression is trivial but makes clear what we are doing */
-	cea->db5_dminh_lsv |= (0 & CEA861_AUDIO_INFOFRAME_DB5_LSV);
-
-	priv->dss_audio.iec = iec;
-	priv->dss_audio.cea = cea;
-
-	err = priv->dssdev->driver->audio_config(priv->dssdev,
-						 &priv->dss_audio);
-
-	return err;
-}
-
-static int omap_hdmi_dai_trigger(struct snd_pcm_substream *substream, int cmd,
-				struct snd_soc_dai *dai)
-{
-	struct hdmi_priv *priv = snd_soc_dai_get_drvdata(dai);
-	int err = 0;
-
-	switch (cmd) {
-	case SNDRV_PCM_TRIGGER_START:
-	case SNDRV_PCM_TRIGGER_RESUME:
-	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
-		err = priv->dssdev->driver->audio_start(priv->dssdev);
-		break;
-	case SNDRV_PCM_TRIGGER_STOP:
-	case SNDRV_PCM_TRIGGER_SUSPEND:
-	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
-		priv->dssdev->driver->audio_stop(priv->dssdev);
-		break;
-	default:
-		err = -EINVAL;
-	}
-	return err;
-}
-
-static void omap_hdmi_dai_shutdown(struct snd_pcm_substream *substream,
-				struct snd_soc_dai *dai)
-{
-	struct hdmi_priv *priv = snd_soc_dai_get_drvdata(dai);
-
-	priv->dssdev->driver->audio_disable(priv->dssdev);
-}
-
-static const struct snd_soc_dai_ops omap_hdmi_dai_ops = {
-	.startup	= omap_hdmi_dai_startup,
-	.hw_params	= omap_hdmi_dai_hw_params,
-	.prepare	= omap_hdmi_dai_prepare,
-	.trigger	= omap_hdmi_dai_trigger,
-	.shutdown	= omap_hdmi_dai_shutdown,
-};
-
-static struct snd_soc_dai_driver omap_hdmi_dai = {
-	.playback = {
-		.channels_min = 2,
-		.channels_max = 8,
-		.rates = OMAP_HDMI_RATES,
-		.formats = OMAP_HDMI_FORMATS,
-	},
-	.ops = &omap_hdmi_dai_ops,
-};
-
-static const struct snd_soc_component_driver omap_hdmi_component = {
-	.name		= DRV_NAME,
-};
-
-static int omap_hdmi_probe(struct platform_device *pdev)
-{
-	int ret;
-	struct resource *hdmi_rsrc;
-	struct hdmi_priv *hdmi_data;
-	bool hdmi_dev_found = false;
-
-	hdmi_data = devm_kzalloc(&pdev->dev, sizeof(*hdmi_data), GFP_KERNEL);
-	if (hdmi_data == NULL) {
-		dev_err(&pdev->dev, "Cannot allocate memory for HDMI data\n");
-		return -ENOMEM;
-	}
-
-	hdmi_rsrc = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!hdmi_rsrc) {
-		dev_err(&pdev->dev, "Cannot obtain IORESOURCE_MEM HDMI\n");
-		return -ENODEV;
-	}
-
-	hdmi_data->dma_data.addr = hdmi_rsrc->start + OMAP_HDMI_AUDIO_DMA_PORT;
-
-	hdmi_rsrc = platform_get_resource(pdev, IORESOURCE_DMA, 0);
-	if (!hdmi_rsrc) {
-		dev_err(&pdev->dev, "Cannot obtain IORESOURCE_DMA HDMI\n");
-		return -ENODEV;
-	}
-
-	hdmi_data->dma_req = hdmi_rsrc->start;
-	hdmi_data->dma_data.filter_data = &hdmi_data->dma_req;
-	hdmi_data->dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
-
-	/*
-	 * TODO: We assume that there is only one DSS HDMI device. Future
-	 * OMAP implementations may support more than one HDMI devices and
-	 * we should provided separate audio support for all of them.
-	 */
-	/* Find an HDMI device. */
-	for_each_dss_dev(hdmi_data->dssdev) {
-		omap_dss_get_device(hdmi_data->dssdev);
-
-		if (!hdmi_data->dssdev->driver) {
-			omap_dss_put_device(hdmi_data->dssdev);
-			continue;
-		}
-
-		if (hdmi_data->dssdev->type == OMAP_DISPLAY_TYPE_HDMI) {
-			hdmi_dev_found = true;
-			break;
-		}
-	}
-
-	if (!hdmi_dev_found) {
-		dev_err(&pdev->dev, "no driver for HDMI display found\n");
-		return -ENODEV;
-	}
-
-	dev_set_drvdata(&pdev->dev, hdmi_data);
-	ret = snd_soc_register_component(&pdev->dev, &omap_hdmi_component,
-					 &omap_hdmi_dai, 1);
-
-	if (ret)
-		return ret;
-
-	return omap_pcm_platform_register(&pdev->dev);
-}
-
-static int omap_hdmi_remove(struct platform_device *pdev)
-{
-	struct hdmi_priv *hdmi_data = dev_get_drvdata(&pdev->dev);
-
-	snd_soc_unregister_component(&pdev->dev);
-
-	if (hdmi_data == NULL) {
-		dev_err(&pdev->dev, "cannot obtain HDMi data\n");
-		return -ENODEV;
-	}
-
-	omap_dss_put_device(hdmi_data->dssdev);
-	return 0;
-}
-
-static struct platform_driver hdmi_dai_driver = {
-	.driver = {
-		.name = DRV_NAME,
-		.owner = THIS_MODULE,
-	},
-	.probe = omap_hdmi_probe,
-	.remove = omap_hdmi_remove,
-};
-
-module_platform_driver(hdmi_dai_driver);
-
-MODULE_AUTHOR("Jorge Candelaria <jorge.candelaria@ti.com>");
-MODULE_AUTHOR("Ricardo Neri <ricardo.neri@ti.com>");
-MODULE_DESCRIPTION("OMAP HDMI SoC Interface");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:" DRV_NAME);