Add register bit defines for as3514 and clean stuff up. Reduce poppiness at startup and shutdown (and even powerup for e200). Really, I can't honestly say it will help anything but an e200v1 but I'm sick of the noises. ;)

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19214 a1c6a512-1295-4272-9138-f99709370657

firmware/target/arm/ascodec-pp.c

@@ -39,10 +39,6 @@ void audiohw_init(void)
     DEV_INIT1 &=~0x3000000;
     /*mini2?*/
 
-    /* device reset */
-    DEV_RS |= DEV_I2S;
-    DEV_RS &=~DEV_I2S;
-
     /* I2S device reset */
     DEV_RS |= DEV_I2S;
     DEV_RS &=~DEV_I2S;
@@ -56,11 +52,27 @@ void audiohw_init(void)
     /* external dev clock to 24MHz */
     outl(inl(0x70000018) & ~0xc, 0x70000018);
 
+#ifdef SANSA_E200
+    /* Prevent pops on startup */
+    GPIOG_ENABLE |= 0x08;
+    GPIO_SET_BITWISE(GPIOG_OUTPUT_VAL, 0x08);
+    GPIOG_OUTPUT_EN |= 0x08;
+#endif
+
     i2s_reset();
 
     audiohw_preinit();
 }
 
-void audiohw_postinit(void)
+void ascodec_supressor_on(bool on)
 {
-}
+#ifdef SANSA_E200
+    if (on) {
+        /* Set pop prevention */
+        GPIO_SET_BITWISE(GPIOG_OUTPUT_VAL, 0x08);
+    } else {
+        /* Release pop prevention */
+        GPIO_CLEAR_BITWISE(GPIOG_OUTPUT_VAL, 0x08);
+    }
+#endif
+} 

firmware/target/arm/ascodec-target.h

@@ -59,6 +59,8 @@ static inline void ascodec_unlock(void)
     i2c_unlock();
 }
 
+extern void ascodec_supressor_on(bool on);
+
 #endif /* CPU_PP */
 
 #endif /* !_ASCODEC_TARGET_H */

firmware/target/arm/pcm-pp.c

@@ -374,7 +374,7 @@ void pcm_play_dma_init(void)
     audiohw_init();
 
 #if !defined(HAVE_WM8731) && !defined(HAVE_WM8751) && !defined(HAVE_WM8975) \
- && !defined(HAVE_WM8758)
+ && !defined(HAVE_WM8758) && !defined(HAVE_AS3514)
     /* Power on */
     audiohw_enable_output(true);
     /* Unmute the master channel (DAC should be at zero point now). */