From 871480933a1c28f8a9fed4c4d34d06c439a7a422 Mon Sep 17 00:00:00 2001
From: Srikant Patnaik
Date: Sun, 11 Jan 2015 12:28:04 +0530
Subject: Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
---
sound/soc/codecs/wmt_hwdac.c | 195 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 195 insertions(+)
create mode 100755 sound/soc/codecs/wmt_hwdac.c
(limited to 'sound/soc/codecs/wmt_hwdac.c')
diff --git a/sound/soc/codecs/wmt_hwdac.c b/sound/soc/codecs/wmt_hwdac.c
new file mode 100755
index 00000000..ae31bb5e
--- /dev/null
+++ b/sound/soc/codecs/wmt_hwdac.c
@@ -0,0 +1,195 @@
+/*++
+ * linux/sound/soc/codecs/wmt_hwdac.c
+ * WonderMedia I2S audio driver for ALSA
+ *
+ * Copyright c 2010 WonderMedia Technologies, Inc.
+ *
+ * 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.
+ *
+ * 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, see .
+ *
+ * WonderMedia Technologies, Inc.
+ * 4F, 533, Chung-Cheng Road, Hsin-Tien, Taipei 231, R.O.C
+--*/
+
+
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+
+
+/*
+ * Debug
+ */
+#define AUDIO_NAME "HW_DAC"
+//#define WMT_HWDAC_DEBUG 1
+//#define WMT_HWDAC_DEBUG_DETAIL 1
+
+#ifdef WMT_HWDAC_DEBUG
+#define DPRINTK(format, arg...) \
+ printk(KERN_INFO AUDIO_NAME ": " format "\n" , ## arg)
+#else
+#define DPRINTK(format, arg...) do {} while (0)
+#endif
+
+#ifdef WMT_HWDAC_DEBUG_DETAIL
+#define DBG_DETAIL(format, arg...) \
+ printk(KERN_INFO AUDIO_NAME ": [%s]" format "\n" , __FUNCTION__, ## arg)
+#else
+#define DBG_DETAIL(format, arg...) do {} while (0)
+#endif
+
+#define err(format, arg...) \
+ printk(KERN_ERR AUDIO_NAME ": " format "\n" , ## arg)
+#define info(format, arg...) \
+ printk(KERN_INFO AUDIO_NAME ": " format "\n" , ## arg)
+#define warn(format, arg...) \
+ printk(KERN_WARNING AUDIO_NAME ": " format "\n" , ## arg)
+
+extern int wmt_getsyspara(char *varname, unsigned char *varval, int *varlen);
+
+
+static int hwdac_pcm_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
+{
+ DBG_DETAIL();
+
+ return 0;
+}
+
+
+#define HWDAC_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
+ SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | \
+ SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | \
+ SNDRV_PCM_RATE_96000)
+
+#define HWDAC_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
+ SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_FLOAT)
+
+static struct snd_soc_dai_ops hwdac_dai_ops = {
+ .hw_params = hwdac_pcm_hw_params,
+};
+
+struct snd_soc_dai_driver hwdac_dai = {
+ .name = "HWDAC",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = HWDAC_RATES,
+ .formats = HWDAC_FORMATS,
+ },
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = HWDAC_RATES,
+ .formats = HWDAC_FORMATS,
+ },
+ .ops = &hwdac_dai_ops,
+};
+
+static int hwdac_probe(struct snd_soc_codec *codec)
+{
+ DBG_DETAIL();
+
+ return 0;
+}
+
+/* remove everything here */
+static int hwdac_remove(struct snd_soc_codec *codec)
+{
+ DBG_DETAIL();
+
+ return 0;
+}
+
+struct snd_soc_codec_driver soc_codec_dev_hwdac = {
+ .probe = hwdac_probe,
+ .remove = hwdac_remove,
+};
+
+static int __devinit hwdac_platform_probe(struct platform_device *pdev)
+{
+ int ret = 0;
+
+ DBG_DETAIL();
+
+ ret = snd_soc_register_codec(&pdev->dev,
+ &soc_codec_dev_hwdac, &hwdac_dai, 1);
+
+ if (ret)
+ info("snd_soc_register_codec fail");
+
+ return ret;
+}
+
+static int __devexit hwdac_platform_remove(struct platform_device *pdev)
+{
+ DBG_DETAIL();
+
+ snd_soc_unregister_codec(&pdev->dev);
+
+ return 0;
+}
+
+static struct platform_driver wmt_hwdac_driver = {
+ .driver = {
+ .name = "wmt-i2s-hwdac",
+ .owner = THIS_MODULE,
+ },
+
+ .probe = hwdac_platform_probe,
+ .remove = __devexit_p(hwdac_platform_remove),
+};
+
+static int __init wmt_hwdac_platform_init(void)
+{
+ char buf[80];
+ int varlen = 80;
+ char codec_name[5];
+ int ret = 0;
+
+ DBG_DETAIL();
+
+ /*ret = wmt_getsyspara("wmt.audio.i2s", buf, &varlen);
+
+ if (ret == 0) {
+ sscanf(buf, "%5s", codec_name);
+
+ if (strcmp(codec_name, "hwdac")) {
+ info("hwdac string not found");
+ return -EINVAL;
+ }
+ }*/
+
+ return platform_driver_register(&wmt_hwdac_driver);
+}
+module_init(wmt_hwdac_platform_init);
+
+static void __exit wmt_hwdac_platform_exit(void)
+{
+ DBG_DETAIL();
+
+ platform_driver_unregister(&wmt_hwdac_driver);
+}
+module_exit(wmt_hwdac_platform_exit);
+
+MODULE_DESCRIPTION("WMT [ALSA SoC] driver");
+MODULE_AUTHOR("WonderMedia Technologies, Inc.");
+MODULE_LICENSE("GPL");
--
cgit