From 7042c96b4a695690a491a6494ec67bf77783a7f3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C3=ABl=20Carr=C3=A9?= <rafael.carre@gmail.com>
Date: Sat, 20 Mar 2010 17:09:44 +0000
Subject: [PATCH] Clip+: enable sound on "as3514" (as3543 in fact)

as3525 comes with a as3517, as3525v2 with a as3543, rename specific
registers accordingly

Existing problems: FM (line out) doesn't work, volume can't go below a
certain point

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25260 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/drivers/audio/as3514.c             | 24 ++++++++++++++++++++-
 firmware/export/as3514.h                    |  3 ++-
 firmware/target/arm/as3525/usb-drv-as3525.c |  6 +++---
 3 files changed, 28 insertions(+), 5 deletions(-)

diff --git a/firmware/drivers/audio/as3514.c b/firmware/drivers/audio/as3514.c
index b7c99f433b..b8ef2bf120 100644
--- a/firmware/drivers/audio/as3514.c
+++ b/firmware/drivers/audio/as3514.c
@@ -7,7 +7,7 @@
  *                     \/            \/     \/    \/            \/
  * $Id$
  *
- * Driver for AS3514 audio codec
+ * Driver for AS3514 and compatible audio codec
  *
  * Copyright (c) 2007 Daniel Ankers
  * Copyright (c) 2007 Christian Gmeiner
@@ -31,6 +31,13 @@
 #include "i2s.h"
 #include "ascodec.h"
 
+/*
+ * This drivers supports:
+ * as3514 , as used in the PP targets
+ * as3517 , as used in the as3525 targets
+ * as3543 , as used in the as3525v2 targets
+ */
+
 /* AMS Sansas based on the AS3525 use the LINE2 input for the analog radio
    signal instead of LINE1 */
 #if CONFIG_CPU == AS3525
@@ -170,9 +177,13 @@ void audiohw_preinit(void)
     as3514_write(AS3514_AUDIOSET3, AUDIOSET3_HPCM_off);
 #endif
 
+#if CONFIG_CPU != AS3525v2
     /* Mute and disable speaker */
     as3514_write(AS3514_LSP_OUT_R, LSP_OUT_R_SP_OVC_TO_256MS | 0x00);
     as3514_write(AS3514_LSP_OUT_L, LSP_OUT_L_SP_MUTE | 0x00);
+#else
+    as3514_clear(AS3543_DAC_IF, 0x80);
+#endif
 
     /* Set headphone over-current to 0, Min volume */
     as3514_write(AS3514_HPH_OUT_R,
@@ -262,8 +273,15 @@ void audiohw_mute(bool mute)
 {
     if (mute) {
         as3514_set(AS3514_HPH_OUT_L, HPH_OUT_L_HP_MUTE);
+#if CONFIG_CPU == AS3525v2
+        as3514_set(AS3543_DAC_IF, 0x80);
+#endif
+
     } else {
         as3514_clear(AS3514_HPH_OUT_L, HPH_OUT_L_HP_MUTE);
+#if CONFIG_CPU == AS3525v2
+        as3514_clear(AS3543_DAC_IF, 0x80);
+#endif
     }
 }
 
@@ -284,6 +302,10 @@ void audiohw_close(void)
     as3514_clear(AS3514_HPH_OUT_L, HPH_OUT_L_HP_ON);
     as3514_write(AS3514_AUDIOSET1, 0x0);
 
+#if CONFIG_CPU == AS3525v2
+    as3514_set(AS3543_DAC_IF, 0x80);
+#endif
+
     /* Allow caps to discharge */
     sleep(HZ/4);
 }
diff --git a/firmware/export/as3514.h b/firmware/export/as3514.h
index 53851335c8..a9b12de36e 100644
--- a/firmware/export/as3514.h
+++ b/firmware/export/as3514.h
@@ -46,10 +46,11 @@ extern void audiohw_set_lineout_vol(int vol_l, int vol_r);
 #define AS3514_DAC_L      0x0f
 #define AS3514_ADC_R      0x10
 #define AS3514_ADC_L      0x11
+#define AS3543_DAC_IF     0x12  /* only in as3543 */
 #define AS3514_AUDIOSET1  0x14
 #define AS3514_AUDIOSET2  0x15
 #define AS3514_AUDIOSET3  0x16
-#define AS3514_USB_UTIL   0x17  /* Only in AS3525 ? */
+#define AS3517_USB_UTIL   0x17  /* only in as3517+ */
 #define AS3514_PLLMODE    0x1d
 
 #define AS3514_SYSTEM     0x20
diff --git a/firmware/target/arm/as3525/usb-drv-as3525.c b/firmware/target/arm/as3525/usb-drv-as3525.c
index 5582eebade..496d434c6e 100644
--- a/firmware/target/arm/as3525/usb-drv-as3525.c
+++ b/firmware/target/arm/as3525/usb-drv-as3525.c
@@ -122,7 +122,7 @@ void usb_drv_init(void)
         endpoints[i].busy = false;
 
     ascodec_write(AS3514_CVDD_DCDC3, ascodec_read(AS3514_CVDD_DCDC3) | 1<<2);
-    ascodec_write(AS3514_USB_UTIL, ascodec_read(AS3514_USB_UTIL) & ~(1<<4));
+    ascodec_write(AS3517_USB_UTIL, ascodec_read(AS3517_USB_UTIL) & ~(1<<4));
 
     /* PHY part */
     CGU_USB = 1<<5 /* enable */
@@ -137,7 +137,7 @@ void usb_drv_init(void)
     USB_DEV_CTRL |= 0x400; /* soft disconnect */
 
     /* UVDD */
-    ascodec_write(AS3514_USB_UTIL, ascodec_read(AS3514_USB_UTIL) | (1<<4));
+    ascodec_write(AS3517_USB_UTIL, ascodec_read(AS3517_USB_UTIL) | (1<<4));
     sleep(10); //msleep(100)
 
     USB_GPIO_CSR = 0x6180000;
@@ -199,7 +199,7 @@ void usb_drv_exit(void)
     VIC_INT_EN_CLEAR = INTERRUPT_USB;
     CGU_USB &= ~(1<<5);
     CGU_PERI &= ~CGU_USB_CLOCK_ENABLE;
-    ascodec_write(AS3514_USB_UTIL, ascodec_read(AS3514_USB_UTIL) & ~(1<<4));
+    ascodec_write(AS3517_USB_UTIL, ascodec_read(AS3517_USB_UTIL) & ~(1<<4));
 }
 
 int usb_drv_port_speed(void)