A few preparations for the D2 PCM driver: move driver up to TCC780x level, move FIQ handler into PCM driver, add some new register defines, and remove those goddamn warnings.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17209 a1c6a512-1295-4272-9138-f99709370657

firmware/SOURCES

@@ -925,7 +925,7 @@ target/arm/tcc780x/kernel-tcc780x.c
 target/arm/tcc780x/timer-tcc780x.c
 target/arm/wmcodec-telechips.c
 target/arm/tcc780x/debug-tcc780x.c
-target/arm/tcc780x/cowond2/pcm-cowond2.c
+target/arm/tcc780x/pcm-tcc780x.c
 #endif /* BOOTLOADER */
 #endif /* SIMULATOR */
 #endif /* COWON_D2 */

firmware/export/tcc780x.h

@@ -73,7 +73,7 @@
 #define PCLKCFG10  (*(volatile unsigned long *)0xF3000048)
 #define PCLKCFG11  (*(volatile unsigned long *)0xF300004C)
 #define PCLK_ADC   (*(volatile unsigned long *)0xF3000050)
-#define PCLKCFG13  (*(volatile unsigned long *)0xF3000054)
+#define PCLK_DAI   (*(volatile unsigned long *)0xF3000054)
 #define PCLKCFG14  (*(volatile unsigned long *)0xF3000058)
 #define PCLK_RFREQ (*(volatile unsigned long *)0xF300005C)
 #define PCLKCFG16  (*(volatile unsigned long *)0xF3000060)
@@ -171,6 +171,21 @@
 #define SDCFG1     (*(volatile unsigned long *)0xF1001000)
 #define MCFG1      (*(volatile unsigned long *)0xF1001008)
 
+/* DAI */
+
+#define DADO_L0     (*(volatile unsigned long *)0xF0059020)
+#define DADO_R0     (*(volatile unsigned long *)0xF0059024)
+#define DADO_L1     (*(volatile unsigned long *)0xF0059028)
+#define DADO_R1     (*(volatile unsigned long *)0xF005902c)
+#define DADO_L2     (*(volatile unsigned long *)0xF0059030)
+#define DADO_R2     (*(volatile unsigned long *)0xF0059034)
+#define DADO_L3     (*(volatile unsigned long *)0xF0059038)
+#define DADO_R3     (*(volatile unsigned long *)0xF005903c)
+#define DADO_L(_x_) (*(volatile unsigned int *)(0xF0059020+8*(_x_)))
+#define DADO_R(_x_) (*(volatile unsigned int *)(0xF0059024+8*(_x_)))
+#define DAMR        (*(volatile unsigned long *)0xF0059040)
+#define DAVC        (*(volatile unsigned long *)0xF0059044)
+
 /* Misc */
 
 #define ECFG0      (*(volatile unsigned long *)0xF300500C)

firmware/target/arm/tcc780x/pcm-tcc780x.c

@@ -25,62 +25,62 @@
 
 void pcm_postinit(void)
 {
-    #warning function not implemented
 }
 
 const void * pcm_play_dma_get_peak_buffer(int *count)
 {
-    #warning function not implemented
     (void) count;
     return 0;
 }
 
 void pcm_play_dma_init(void)
 {
-    #warning function not implemented
 }
 
 void pcm_apply_settings(void)
 {
-    #warning function not implemented
 }
 
 void pcm_set_frequency(unsigned int frequency)
 {
-    #warning function not implemented
     (void) frequency;
 }
 
 void pcm_play_dma_start(const void *addr, size_t size)
 {
-    #warning function not implemented
     (void) addr;
     (void) size;
 }
 
 void pcm_play_dma_stop(void)
 {
-    #warning function not implemented
 }
 
 void pcm_play_lock(void)
 {
-    #warning function not implemented
 }
 
 void pcm_play_unlock(void)
 {
-    #warning function not implemented
 }
 
 void pcm_play_dma_pause(bool pause)
 {
-    #warning function not implemented
     (void) pause;
 }
 
 size_t pcm_get_bytes_waiting(void)
 {
-    #warning function not implemented
     return 0;
 }
+
+void fiq_handler(void)
+{
+    /* Clear FIQ status */
+    CREQ = DAI_TX_IRQ_MASK | DAI_RX_IRQ_MASK;
+
+    /* Return from FIQ */
+    asm volatile (
+        "subs   pc, lr, #4   \r\n"
+    );
+}

firmware/target/arm/tcc780x/system-tcc780x.c

@@ -142,12 +142,6 @@ void irq_handler(void)
                     "subs  pc, lr, #4           \n"); /* Return from IRQ */
 }
 
-void fiq_handler(void)
-{
-    asm volatile (
-        "subs   pc, lr, #4   \r\n"
-    );
-}
 #endif /* !defined(BOOTLOADER) */
 
 
@@ -254,7 +248,8 @@ void system_init(void)
 
 #if !defined(BOOTLOADER)
 
-    IRQSEL = -1;        /* set all interrupts to be IRQs not FIQs */
+    /* Set DAI interrupts as FIQ, all others are IRQ. */
+    IRQSEL = ~(DAI_RX_IRQ_MASK | DAI_TX_IRQ_MASK);
 
     POL = 0x200108;     /* IRQs 3,8,21 active low (as OF) */
     MODE = 0x20ce07c0;  /* IRQs 6-10,17-19,22-23,29 level-triggered (as OF) */

firmware/target/arm/wmcodec-telechips.c

@@ -38,7 +38,6 @@
 
 void audiohw_init(void)
 {
-    #warning function not implemented
 }
 
 void wmcodec_write(int reg, int data)