msm: audio: qdsp6v2: Add RTAC voice lookup by CVP or CVS handle

Add functionality to look up RTAC voice structures by CVP
handle or CVS handle. The CVP ioctls now expect the CVP
handle to be sent instead of the CVS handle.

Change-Id: I2464e940a92b56632af45bc5649e323bed6113be
CRs-fixed: 397348
Signed-off-by: Ben Romberger <bromberg@codeaurora.org>
(cherry picked from commit cb32361aca99ffe1b3df2182fe4e5f8e857c05f1)
diff --git a/arch/arm/mach-msm/qdsp6v2/rtac.c b/arch/arm/mach-msm/qdsp6v2/rtac.c
index 8808375..11d86bc 100644
--- a/arch/arm/mach-msm/qdsp6v2/rtac.c
+++ b/arch/arm/mach-msm/qdsp6v2/rtac.c
@@ -353,7 +353,7 @@
 	return;
 }
 
-static int get_voice_index(u32 cvs_handle)
+static int get_voice_index_cvs(u32 cvs_handle)
 {
 	u32 i;
 
@@ -367,6 +367,32 @@
 	return 0;
 }
 
+static int get_voice_index_cvp(u32 cvp_handle)
+{
+	u32 i;
+
+	for (i = 0; i < rtac_voice_data.num_of_voice_combos; i++) {
+		if (rtac_voice_data.voice[i].cvp_handle == cvp_handle)
+			return i;
+	}
+
+	pr_err("%s: No voice index for CVP handle %d found returning 0\n",
+	       __func__, cvp_handle);
+	return 0;
+}
+
+static int get_voice_index(u32 mode, u32 handle)
+{
+	if (mode == RTAC_CVP)
+		return get_voice_index_cvp(handle);
+	if (mode == RTAC_CVS)
+		return get_voice_index_cvs(handle);
+
+	pr_err("%s: Invalid mode %d, returning 0\n",
+	       __func__, mode);
+	return 0;
+}
+
 
 /* ADM APR */
 void rtac_set_adm_handle(void *handle)
@@ -752,7 +778,7 @@
 	u32	count = 0;
 	u32	bytes_returned = 0;
 	u32	payload_size;
-	u16	dest_port;
+	u32	dest_port;
 	struct	apr_hdr	voice_params;
 	pr_debug("%s\n", __func__);
 
@@ -817,10 +843,10 @@
 	voice_params.src_svc = 0;
 	voice_params.src_domain = APR_DOMAIN_APPS;
 	voice_params.src_port = voice_session_id[
-					get_voice_index(dest_port)];
+					get_voice_index(mode, dest_port)];
 	voice_params.dest_svc = 0;
 	voice_params.dest_domain = APR_DOMAIN_MODEM;
-	voice_params.dest_port = dest_port;
+	voice_params.dest_port = (u16)dest_port;
 	voice_params.token = 0;
 	voice_params.opcode = opcode;