audio-lnx: Initial change for techpack of audio drivers.
Add snapshot for audio drivers for SDM targets. The code is
migrated from msm-4.9 kernel at the below cutoff -
(74ff856e8d6: "net: ipc_router: Add dynamic enable/disable
wakeup source feature")
This changes are done for new techpack addition
for audio kernel. Migrate all audio kernel drivers
to this techpack.
Change-Id: I33d580af3ba86a5cb777583efc5d4cdaf2882d93
Signed-off-by: Asish Bhattacharya <asishb@codeaurora.org>
diff --git a/drivers/soc/qcom/qdsp6v2/apr_v2.c b/drivers/soc/qcom/qdsp6v2/apr_v2.c
new file mode 100644
index 0000000..4ddf39b
--- /dev/null
+++ b/drivers/soc/qcom/qdsp6v2/apr_v2.c
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2012-2017 The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only 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.
+ */
+
+#include <linux/types.h>
+#include <linux/uaccess.h>
+#include <linux/spinlock.h>
+#include <linux/kernel.h>
+#include <linux/qdsp6v2/apr.h>
+#include <linux/qdsp6v2/apr_tal.h>
+#include <linux/qdsp6v2/dsp_debug.h>
+#include <linux/qdsp6v2/audio_notifier.h>
+
+enum apr_subsys_state apr_get_subsys_state(void)
+{
+ return apr_get_q6_state();
+}
+
+void apr_set_subsys_state(void)
+{
+ apr_set_q6_state(APR_SUBSYS_DOWN);
+ apr_set_modem_state(APR_SUBSYS_UP);
+}
+
+uint16_t apr_get_data_src(struct apr_hdr *hdr)
+{
+ if (hdr->src_domain == APR_DOMAIN_MODEM)
+ return APR_DEST_MODEM;
+ else if (hdr->src_domain == APR_DOMAIN_ADSP)
+ return APR_DEST_QDSP6;
+
+ pr_err("APR: Pkt from wrong source: %d\n", hdr->src_domain);
+ return APR_DEST_MAX; /*RETURN INVALID VALUE*/
+}
+
+int apr_get_dest_id(char *dest)
+{
+ if (!strcmp(dest, "ADSP"))
+ return APR_DEST_QDSP6;
+ else
+ return APR_DEST_MODEM;
+}
+
+void subsys_notif_register(char *client_name, int domain,
+ struct notifier_block *nb)
+{
+ int ret;
+
+ ret = audio_notifier_register(client_name, domain, nb);
+ if (ret < 0)
+ pr_err("%s: Audio notifier register failed for domain %d ret = %d\n",
+ __func__, domain, ret);
+}
+
+uint16_t apr_get_reset_domain(uint16_t proc)
+{
+ return proc;
+}