From 5d63776a24cb3de9f5ddbfbfb13ce03e50264c03 Mon Sep 17 00:00:00 2001
From: Michael Sevakis <jethead71@rockbox.org>
Date: Sun, 11 Mar 2007 05:04:48 +0000
Subject: Reenable aynchronous audio init stage. Really just single stage with
 aynchronous enabling of outputs. Keeps audio_init last so prior init steps
 can use the audiobuffer in any desired way. Audio will be fully initialized
 by the time the UI is entered. Playback of voice or audio will be delayed
 properly until audio hardware is ready.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12714 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/drivers/tlv320.c                          | 10 ++++++++++
 firmware/drivers/uda1380.c                         | 13 +++++++++++++
 firmware/export/sound.h                            |  2 ++
 .../target/arm/gigabeat/meg-fx/wmcodec-meg-fx.c    |  4 ++++
 firmware/target/arm/wmcodec-pp.c                   |  4 ++++
 firmware/target/coldfire/pcm-coldfire.c            | 22 ++++------------------
 6 files changed, 37 insertions(+), 18 deletions(-)

(limited to 'firmware')

diff --git a/firmware/drivers/tlv320.c b/firmware/drivers/tlv320.c
index a88eae5f26..c0f28d31d9 100644
--- a/firmware/drivers/tlv320.c
+++ b/firmware/drivers/tlv320.c
@@ -99,8 +99,18 @@ void audiohw_init(void)
     tlv320_write_reg(REG_DAIF, DAIF_IWL_16 | DAIF_FOR_I2S);
     tlv320_write_reg(REG_DIA, DIA_ACT);
     audiohw_set_frequency(-1); /* default */
+}
+
+/**
+ * Switch outputs ON
+ */
+void audiohw_postinit(void)
+{
     /* All ON except ADC, MIC and LINE */
+    sleep(HZ);
     tlv320_write_reg(REG_PC, PC_ADC | PC_MIC | PC_LINE);
+    sleep(HZ/4);
+    audiohw_mute(false);
 }
 
 /**
diff --git a/firmware/drivers/uda1380.c b/firmware/drivers/uda1380.c
index 00019148c1..6984427fc9 100644
--- a/firmware/drivers/uda1380.c
+++ b/firmware/drivers/uda1380.c
@@ -270,6 +270,19 @@ int audiohw_init(void)
     return 0;
 }
 
+void audiohw_postinit(void)
+{
+    /* Sleep a while so the power can stabilize (especially a long
+       delay is needed for the line out connector). */
+    sleep(HZ);
+    /* Power on FSDAC and HP amp. */
+    audiohw_enable_output(true);
+
+    /* UDA1380: Unmute the master channel
+       (DAC should be at zero point now). */
+    audiohw_mute(false);
+}
+
 /* Nice shutdown of UDA1380 codec */
 void audiohw_close(void)
 {
diff --git a/firmware/export/sound.h b/firmware/export/sound.h
index 192384031d..99741c24c1 100644
--- a/firmware/export/sound.h
+++ b/firmware/export/sound.h
@@ -32,6 +32,8 @@
 #include "tlv320.h"
 #endif
 
+extern void audiohw_postinit(void);
+
 enum {
     SOUND_VOLUME = 0,
     SOUND_BASS,
diff --git a/firmware/target/arm/gigabeat/meg-fx/wmcodec-meg-fx.c b/firmware/target/arm/gigabeat/meg-fx/wmcodec-meg-fx.c
index fd023e1be0..fe42b7527a 100644
--- a/firmware/target/arm/gigabeat/meg-fx/wmcodec-meg-fx.c
+++ b/firmware/target/arm/gigabeat/meg-fx/wmcodec-meg-fx.c
@@ -61,6 +61,10 @@ int audiohw_init(void) {
     return 0;
 }
 
+void audiohw_postinit(void)
+{
+}
+
 void wmcodec_write(int reg, int data)
 {
     i2c_send(0x34, (reg<<1) | ((data&0x100)>>8), data&0xff);
diff --git a/firmware/target/arm/wmcodec-pp.c b/firmware/target/arm/wmcodec-pp.c
index e252cf0ac1..505a31deb4 100644
--- a/firmware/target/arm/wmcodec-pp.c
+++ b/firmware/target/arm/wmcodec-pp.c
@@ -92,6 +92,10 @@ int audiohw_init(void) {
     return 0;
 }
 
+void audiohw_postinit(void)
+{
+}
+
 void wmcodec_write(int reg, int data)
 {
     pp_i2c_send(I2C_AUDIO_ADDRESS, (reg<<1) | ((data&0x100)>>8),data&0xff);
diff --git a/firmware/target/coldfire/pcm-coldfire.c b/firmware/target/coldfire/pcm-coldfire.c
index ef847004ce..720c77e434 100644
--- a/firmware/target/coldfire/pcm-coldfire.c
+++ b/firmware/target/coldfire/pcm-coldfire.c
@@ -255,6 +255,10 @@ void pcm_init(void)
     pcm_play_dma_stop();
     /* Call pcm_close_recording to put in closed state */
     pcm_close_recording();
+
+    /* Initialize default register values. */
+    audiohw_init();
+
     audio_set_output_source(AUDIO_SRC_PLAYBACK);
     audio_set_source(AUDIO_SRC_PLAYBACK, SRCF_PLAYBACK);
     pcm_set_frequency(HW_FREQ_DEFAULT);
@@ -264,24 +268,6 @@ void pcm_init(void)
 #if defined(HAVE_SPDIF_IN) || defined(HAVE_SPDIF_OUT)
     spdif_init();
 #endif
-
-    /* Initialize default register values. */
-    audiohw_init();
-
-#if defined(HAVE_UDA1380)
-    /* Sleep a while so the power can stabilize (especially a long
-       delay is needed for the line out connector). */
-    sleep(HZ);
-    /* Power on FSDAC and HP amp. */
-    audiohw_enable_output(true);
-#elif defined(HAVE_TLV320)
-    sleep(HZ/4);
-#endif
-
-    /* UDA1380: Unmute the master channel
-       (DAC should be at zero point now). */
-    audiohw_mute(false);
-
     /* Enable interrupt at level 6, priority 0 */
     ICR6 = (6 << 2);
     and_l(~(1 << 14), &IMR); /* bit 14 is DMA0 */
-- 
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