commit 1608104d51ec434eceb4fb26f834862be9c439af
author Haynes Mathew George <hgeorge@codeaurora.org> Wed May 31 17:16:49 2017 -0700
committer Garmond Leung <garmondl@codeaurora.org> Tue Aug 29 16:26:23 2017 -0700
tree 8ce2397a88c317b78832272acda6fb5b627ee6ff
parent c66eb7e3c089a4f3226bbc9f1431f7c71dd8e2a2

audio HAL: add support for MMAP IRQ mode streams.

Introduce MMAP NOIRQ in shared mode.

CRs-Fixed: 2071843
Change-Id: I79ee079475d23f01aaf730a488b79831fd070df1

hal/msm8916/platform.c

diff --git a/hal/msm8916/platform.c b/hal/msm8916/platform.c
index cfb5486..2bdcf62 100644
--- a/hal/msm8916/platform.c
+++ b/hal/msm8916/platform.c
@@ -336,6 +336,10 @@
     [USECASE_AUDIO_HFP_SCO_WB] = {HFP_PCM_RX, HFP_SCO_RX},
     [USECASE_VOICE_CALL] = {VOICE_CALL_PCM_DEVICE, VOICE_CALL_PCM_DEVICE},
     [USECASE_VOICE2_CALL] = {VOICE2_CALL_PCM_DEVICE, VOICE2_CALL_PCM_DEVICE},
+    [USECASE_AUDIO_PLAYBACK_MMAP] = {MMAP_PLAYBACK_PCM_DEVICE,
+                                     MMAP_PLAYBACK_PCM_DEVICE},
+    [USECASE_AUDIO_RECORD_MMAP] = {MMAP_RECORD_PCM_DEVICE,
+                                   MMAP_RECORD_PCM_DEVICE},
     [USECASE_VOLTE_CALL] = {VOLTE_CALL_PCM_DEVICE, VOLTE_CALL_PCM_DEVICE},
     [USECASE_QCHAT_CALL] = {QCHAT_CALL_PCM_DEVICE, QCHAT_CALL_PCM_DEVICE},
     [USECASE_VOWLAN_CALL] = {VOWLAN_CALL_PCM_DEVICE, VOWLAN_CALL_PCM_DEVICE},
@@ -812,6 +816,7 @@
     {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_OFFLOAD7)},
     {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_OFFLOAD8)},
     {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_OFFLOAD9)},
+    {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_MMAP)},
     {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_ULL)},
     {TO_NAME_INDEX(USECASE_AUDIO_RECORD)},
     {TO_NAME_INDEX(USECASE_AUDIO_RECORD_COMPRESS)},
@@ -819,6 +824,7 @@
     {TO_NAME_INDEX(USECASE_AUDIO_RECORD_COMPRESS3)},
     {TO_NAME_INDEX(USECASE_AUDIO_RECORD_COMPRESS4)},
     {TO_NAME_INDEX(USECASE_AUDIO_RECORD_LOW_LATENCY)},
+    {TO_NAME_INDEX(USECASE_AUDIO_RECORD_MMAP)},
     {TO_NAME_INDEX(USECASE_VOICE_CALL)},
     {TO_NAME_INDEX(USECASE_VOICE2_CALL)},
     {TO_NAME_INDEX(USECASE_VOLTE_CALL)},
@@ -902,6 +908,7 @@
 #define PCM_OFFLOAD_PLATFORM_DELAY (30*1000LL)
 #define LOW_LATENCY_PLATFORM_DELAY (13*1000LL)
 #define ULL_PLATFORM_DELAY (6*1000LL)
+#define MMAP_PLATFORM_DELAY (3*1000LL)
 
 static void update_interface(const char *snd_card_name) {
      if (!strncmp(snd_card_name, "apq8009-tashalite-snd-card",
@@ -5024,6 +5031,8 @@
             return PCM_OFFLOAD_PLATFORM_DELAY;
         case USECASE_AUDIO_PLAYBACK_ULL:
             return ULL_PLATFORM_DELAY;
+        case USECASE_AUDIO_PLAYBACK_MMAP:
+            return MMAP_PLATFORM_DELAY;
         default:
             return 0;
     }

hal/msm8916/platform.h

diff --git a/hal/msm8916/platform.h b/hal/msm8916/platform.h
index 6aa4dc1..7a950a8 100644
--- a/hal/msm8916/platform.h
+++ b/hal/msm8916/platform.h
@@ -350,6 +350,8 @@
 #define VOLTE_CALL_PCM_DEVICE 15
 #define QCHAT_CALL_PCM_DEVICE 37
 #define VOWLAN_CALL_PCM_DEVICE 16
+#define MMAP_PLAYBACK_PCM_DEVICE 2 // XXX: This must be overwritten
+#define MMAP_RECORD_PCM_DEVICE 2 // XXX: This must be overwritten
 
 #define AFE_PROXY_PLAYBACK_PCM_DEVICE 7
 #define AFE_PROXY_RECORD_PCM_DEVICE 8