Initial file dump from open source releaseHEADmaster

1 files changed, 167 insertions, 0 deletions

diff --git a/sound/soc/sprd/sprd-asoc-common.c b/sound/soc/sprd/sprd-asoc-common.c
new file mode 100755
index 00000000..c6c0af1f
--- /dev/null
+++ b/sound/soc/sprd/sprd-asoc-common.c
@@ -0,0 +1,167 @@
+/*
+ * sound/soc/sprd/sprd-asoc-common.c
+ *
+ * SPRD ASoC Common implement -- SpreadTrum ASOC Common.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ */
+#include "sprd-asoc-debug.h"
+#define pr_fmt(fmt) pr_sprd_fmt(" COM ") fmt
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/string.h>
+#include <linux/sysfs.h>
+#include <linux/stat.h>
+#include <linux/atomic.h>
+#include <linux/interrupt.h>
+#include <linux/spinlock.h>
+#include <linux/io.h>
+
+#include <sound/soc.h>
+#include <sound/info.h>
+#include <sound/sprd-audio-hook.h>
+
+#include "sprd-asoc-common.h"
+
+static struct sprd_audio_ext_hook *sprd_audio_hook = 0;
+
+int sprd_ext_hook_register(struct sprd_audio_ext_hook *hook)
+{
+	if (sprd_audio_hook) {
+		pr_err("ERR:Already Registed Hook\n");
+		return -1;
+	}
+	sprd_audio_hook = hook;
+	return 0;
+}
+
+EXPORT_SYMBOL(sprd_ext_hook_register);
+
+int sprd_ext_hook_unregister(struct sprd_audio_ext_hook *hook)
+{
+	if (sprd_audio_hook != hook) {
+		pr_err("ERR:Maybe Unregister other's Hook?\n");
+		return -1;
+	}
+	sprd_audio_hook = 0;
+	return 0;
+}
+
+EXPORT_SYMBOL(sprd_ext_hook_unregister);
+
+#define SAFE_CALL(func) do { \
+	if (func) { \
+		ret = func(id, on); \
+	} \
+} while(0)
+
+int sprd_ext_speaker_ctrl(int id, int on)
+{
+	int ret = NO_HOOK;
+	sp_asoc_pr_dbg("external Speaker(%d) Hook; on=%d\n", id, on);
+	if (sprd_audio_hook)
+		SAFE_CALL(sprd_audio_hook->ext_speaker_ctrl);
+	return ret;
+}
+
+EXPORT_SYMBOL(sprd_ext_speaker_ctrl);
+
+int sprd_ext_headphone_ctrl(int id, int on)
+{
+	int ret = NO_HOOK;
+	sp_asoc_pr_dbg("external Headphone(%d) Hook; on=%d\n", id, on);
+	if (sprd_audio_hook)
+		SAFE_CALL(sprd_audio_hook->ext_headphone_ctrl);
+	return ret;
+}
+
+EXPORT_SYMBOL(sprd_ext_headphone_ctrl);
+
+int sprd_ext_earpiece_ctrl(int id, int on)
+{
+	int ret = NO_HOOK;
+	sp_asoc_pr_dbg("external Earpiece(%d) Hook; on=%d\n", id, on);
+	if (sprd_audio_hook)
+		SAFE_CALL(sprd_audio_hook->ext_earpiece_ctrl);
+	return ret;
+}
+
+EXPORT_SYMBOL(sprd_ext_earpiece_ctrl);
+
+int sprd_ext_mic_ctrl(int id, int on)
+{
+	int ret = NO_HOOK;
+	sp_asoc_pr_dbg("external MIC(%d) Hook; on=%d\n", id, on);
+	if (sprd_audio_hook)
+		SAFE_CALL(sprd_audio_hook->ext_mic_ctrl);
+	return ret;
+}
+
+EXPORT_SYMBOL(sprd_ext_mic_ctrl);
+
+int sprd_ext_fm_ctrl(int id, int on)
+{
+	int ret = NO_HOOK;
+	sp_asoc_pr_dbg("external FM(%d) Hook; on=%d\n", id, on);
+	if (sprd_audio_hook)
+		SAFE_CALL(sprd_audio_hook->ext_fm_ctrl);
+	return ret;
+}
+
+EXPORT_SYMBOL(sprd_ext_fm_ctrl);
+
+/* spreadtrum audio debug */
+
+static int sp_audio_debug_flag = SP_AUDIO_DEBUG_DEFAULT;
+
+inline int get_sp_audio_debug_flag(void)
+{
+	return sp_audio_debug_flag;
+}
+
+EXPORT_SYMBOL(get_sp_audio_debug_flag);
+
+static void snd_pcm_sprd_debug_read(struct snd_info_entry *entry,
+				    struct snd_info_buffer *buffer)
+{
+	int *p_sp_audio_debug_flag = entry->private_data;
+	snd_iprintf(buffer, "0x%08x\n", *p_sp_audio_debug_flag);
+}
+
+static void snd_pcm_sprd_debug_write(struct snd_info_entry *entry,
+				     struct snd_info_buffer *buffer)
+{
+	int *p_sp_audio_debug_flag = entry->private_data;
+	char line[64];
+	if (!snd_info_get_line(buffer, line, sizeof(line)))
+		*p_sp_audio_debug_flag = simple_strtoul(line, NULL, 16);
+}
+
+int sprd_audio_debug_init(struct snd_card *card)
+{
+	struct snd_info_entry *entry;
+	if ((entry = snd_info_create_card_entry(card, "asoc-sprd-debug",
+						card->proc_root)) != NULL) {
+		entry->c.text.read = snd_pcm_sprd_debug_read;
+		entry->c.text.write = snd_pcm_sprd_debug_write;
+		entry->mode |= S_IWUSR;
+		entry->private_data = &sp_audio_debug_flag;
+		if (snd_info_register(entry) < 0) {
+			snd_info_free_entry(entry);
+			entry = NULL;
+		}
+	}
+	return 0;
+}
+
+EXPORT_SYMBOL(sprd_audio_debug_init);