iAudio: First unfinished attempt for tlv320 driver and rockbox integration

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7286 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 101 insertions, 93 deletions

diff --git a/firmware/pcm_record.c b/firmware/pcm_record.c
index 7ecd1d1bbb..3101a16e02 100644
--- a/firmware/pcm_record.c
+++ b/firmware/pcm_record.c
@@ -30,7 +30,11 @@
 
 #include "cpu.h"
 #include "i2c.h"
+#if defined(HAVE_UDA1380)
 #include "uda1380.h"
+#elif defined(HAVE_TLV320)
+#include "tlv320.h"
+#endif
 #include "system.h"
 #include "usb.h"
 
@@ -61,7 +65,7 @@ static unsigned long record_start_time;         /* Value of current_tick when re
 static unsigned long pause_start_time;          /* Value of current_tick when pause was started */
 
 static int rec_gain, rec_volume;
-static bool show_waveform;                      
+static bool show_waveform;
 static int init_done = 0;
 static int wav_file;
 static char recording_filename[MAX_PATH];
@@ -72,12 +76,12 @@ static char recording_filename[MAX_PATH];
    Some estimates:
     44100 HZ * 4 = 176400 bytes/s
     Refresh LCD 10 HZ = 176400 / 10 = 17640 bytes ~=~ 1024*16 bytes
-    
+
     If NUM_BUFFERS is 80 we can hold ~8 sec of data in memory
     ALL_BUFFER_SIZE will be 1024*16 * 80 = 1310720 bytes
 */
 
-#define NUM_BUFFERS       80        
+#define NUM_BUFFERS       80
 #define EACH_BUFFER_SIZE  (1024*16)     /* Multiple of 4. Use small value to get responsive waveform */
 #define ALL_BUFFERS_SIZE  (NUM_BUFFERS * EACH_BUFFER_SIZE)
 
@@ -130,7 +134,7 @@ void pcm_init_recording(void)
     wav_file = -1;  
     read_index = 0;
     write_index = 0;
-    
+
     queue_init(&pcmrec_queue);
     create_thread(pcmrec_thread, pcmrec_stack, sizeof(pcmrec_stack), pcmrec_thread_name);
 }
@@ -138,16 +142,16 @@ void pcm_init_recording(void)
 void pcm_open_recording(void)
 {
     init_done = 0;
-    
+
     logf("pcm_open_rec");
-    
+
     queue_post(&pcmrec_queue, PCMREC_OPEN, 0);
-    
+
     while (init_done)
     {
         sleep(HZ >> 8);
     }
-        
+
     logf("pcm_open_rec done");
 }
 
@@ -162,10 +166,10 @@ void pcm_close_recording(void)
 unsigned long pcm_status(void)
 {
     unsigned long ret = 0;
-    
+
     if (is_recording)
         ret |= AUDIO_STATUS_RECORD;
-        
+
     return ret;
 }
 
@@ -193,7 +197,7 @@ unsigned long pcm_recorded_time(void)
 
 unsigned long pcm_num_recorded_bytes(void)
 {
-   
+
     if (is_recording)
     {
         return num_rec_bytes;
@@ -222,10 +226,12 @@ void pcm_resume_recording(void)
  */
 void pcm_set_recording_options(int source, bool enable_waveform)
 {
+#if defined(HAVE_UDA1380)
     uda1380_enable_recording(source);
-    
+#elif defined(HAVE_TLV320)
+    tlv320_enable_recording(source);
+#endif
     show_waveform = enable_waveform;
-    
 }
 
 
@@ -238,21 +244,20 @@ void pcm_set_recording_gain(int gain, int volume)
 {
     rec_gain = gain;
     rec_volume = volume;
-    
+
     queue_post(&pcmrec_queue, PCMREC_SET_GAIN, 0);
-    
 }
-         
+
 /**
  * Start recording
  * 
  * Use pcm_set_recording_options before calling record
- */                               
+ */
 void pcm_record(const char *filename)
 {
     strncpy(recording_filename, filename, MAX_PATH - 1);
     recording_filename[MAX_PATH - 1] = 0;
-    
+
     queue_post(&pcmrec_queue, PCMREC_START, 0);
 }
 
@@ -263,19 +268,17 @@ void pcm_stop_recording(void)
 {
     if (is_recording)
     is_stopping = 1;
-    
+
     queue_post(&pcmrec_queue, PCMREC_STOP, 0);
 
     logf("pcm_stop_recording");
-    
+
     while (is_stopping)
     {
         sleep(HZ >> 4);
     }
-    
+
     logf("pcm_stop_recording done");
-    
-    
 }
 
 
@@ -303,40 +306,40 @@ void pcmrec_callback(bool flush)
         num_ready += NUM_BUFFERS;
 
     /* we can consume up to num_ready buffers */
-        
-#ifdef HAVE_REMOTE_LCD    
+
+#ifdef HAVE_REMOTE_LCD
     /* Draw waveform on remote LCD */
-    if (show_waveform && num_ready>0)          
+    if (show_waveform && num_ready>0)
     {
         short *buf; 
         long x,y,offset;
         int show_index;
 
         /* Just display the last buffer (most recent one) */  
-        show_index = read_index + num_ready - 1;          
+        show_index = read_index + num_ready - 1;
         buf = (short*)rec_buffers[show_index]; 
-    
+
         lcd_remote_clear_display();    
-        
+
         offset = 0;
         for (x=0; x<LCD_REMOTE_WIDTH-1; x++)
         {
             y = buf[offset] * (LCD_REMOTE_HEIGHT / 2)  *5;       /* The 5 is just 'zooming' */
             y = y >> 15;                /* Divide with SHRT_MAX */
             y += LCD_REMOTE_HEIGHT/2;
-            
+
             if (y < 2) y=2;
             if (y >= LCD_REMOTE_HEIGHT-2) y = LCD_REMOTE_HEIGHT-2;
-    
+
             lcd_remote_drawpixel(x,y);
-            
+
             offset += (EACH_BUFFER_SIZE/2) / LCD_REMOTE_WIDTH;  
         }
-      
-        lcd_remote_update();   
+
+        lcd_remote_update();
     }
-       
-#endif      
+
+#endif
 
     /* Note: This might be a good place to call the 'codec' later */
 
@@ -348,43 +351,41 @@ void pcmrec_callback(bool flush)
         {
             unsigned long *ptr = (unsigned long*)rec_buffers[read_index];
             int i;
-            
+
             for (i=0; i<EACH_BUFFER_SIZE * num_ready / 4; i++)
             {
                 *ptr = SWAB32(*ptr);
                 ptr++;
             }
-            
+
             write(wav_file, rec_buffers[read_index], EACH_BUFFER_SIZE * num_ready);
-        
+
             read_index+=num_ready;
             if (read_index >= NUM_BUFFERS)
                 read_index -= NUM_BUFFERS;    
         }
-        
+
     } else
     {
         /* In this case we must consume the buffers otherwise we will */
         /* get 'dma1 overrun' pretty fast */
-        
+
         read_index+=num_ready;
         if (read_index >= NUM_BUFFERS)
             read_index -= NUM_BUFFERS;
     }
 }
 
-    
-
 
 void pcmrec_dma_start(void)
 {
     DAR1 = (unsigned long)rec_buffers[write_index++];  /* Destination address */
     SAR1 = (unsigned long)&PDIR2;                      /* Source address */
     BCR1 = EACH_BUFFER_SIZE;                           /* Bytes to transfer */
-                        
+
     /* Start the DMA transfer.. */
-    DCR1 = DMA_INT | DMA_EEXT | DMA_CS | DMA_DINC | DMA_START;        
-    
+    DCR1 = DMA_INT | DMA_EEXT | DMA_CS | DMA_DINC | DMA_START;
+
     logf("dma1 started");
 }
 
@@ -396,7 +397,7 @@ void DMA1(void)
     int res = DSR1;
 
     DSR1 = 1;    /* Clear interrupt */
-    
+
     int_count++;
 
     if (res & 0x70)
@@ -404,41 +405,41 @@ void DMA1(void)
         DCR1 = 0;   /* Stop DMA transfer */
         error_count++;
         is_recording = 0;
-        
+
         logf("dma1 err 0x%x", res);
-        
+
     } else 
     {
         num_rec_bytes += EACH_BUFFER_SIZE;
-        
+
         write_index++;
         if (write_index >= NUM_BUFFERS)
             write_index = 0;
-        
+
         if (is_stopping || !is_recording)
         {
             DCR1 = 0;   /* Stop DMA transfer */
             is_recording = 0;
-            
+
             logf("dma1 stopping");
-            
+
         } else if (write_index == read_index)
         {
             DCR1 = 0;   /* Stop DMA transfer */
             is_recording = 0;
-            
+
             logf("dma1 overrun");
-            
+
         } else
         {
             DAR1 = (unsigned long)rec_buffers[write_index];  /* Destination address */
             BCR1 = EACH_BUFFER_SIZE;
 
             queue_post(&pcmrec_queue, PCMREC_GOT_DATA, NULL);
-            
+
         }
     }
-    
+
     IPR |= (1<<15); /* Clear pending interrupt request */
 }
 
@@ -450,7 +451,7 @@ static int start_wave(void)
         0x10,0,0,0,1,0,2,0,0x44,0xac,0,0,0x10,0xb1,2,0,
         4,0,0x10,0,'d','a','t','a',0,0,0,0
     };
-    
+
     wav_file = open(recording_filename, O_RDWR|O_CREAT|O_TRUNC);
     if (wav_file < 0)
     {
@@ -458,7 +459,7 @@ static int start_wave(void)
         logf("create failed: %d", wav_file);
         return -1;
     }
-    
+
     if (sizeof(header) != write(wav_file, header, sizeof(header)))
     {
         close(wav_file);
@@ -466,7 +467,7 @@ static int start_wave(void)
         logf("write failed");
         return -2;
     }
-    
+
     return 0;
 }
 
@@ -474,15 +475,15 @@ static int start_wave(void)
 static void close_wave(void)
 {
     long l;
-    
+
     l = SWAB32(num_rec_bytes + 36);
     lseek(wav_file, 4, SEEK_SET);
     write(wav_file, &l, 4);
-        
+
     l = SWAB32(num_rec_bytes);
     lseek(wav_file, 40, SEEK_SET);
     write(wav_file, &l, 4);
-    
+
     close(wav_file);
     wav_file = -1;
 }
@@ -490,19 +491,19 @@ static void close_wave(void)
 static void pcmrec_start(void)
 {
     logf("pcmrec_start");
-    
+
     if (is_recording) 
         return; 
-        
+
     if (wav_file != -1)
         close(wav_file);
-        
+
     logf("rec: %s", recording_filename);
-    
+
     start_wave(); /* todo: send signal to pcm_record if we have failed */
 
     num_rec_bytes = 0;
-    
+
     /* Store the current time */
     record_start_time = current_tick;
 
@@ -514,29 +515,29 @@ static void pcmrec_start(void)
     is_recording = 1;
 
     pcmrec_dma_start();
-    
+
 }
 
 static void pcmrec_stop(void)
 {
     /* wait for recording to finish */
-    
+
     /* todo: Abort current DMA transfer using DCR1.. */
-    
+
     logf("pcmrec_stop");
-    
+
     while (is_recording)
     {
         sleep(HZ >> 4);
     }
-    
+
     logf("pcmrec_stop done");
 
     /* Write unfinished buffers to file */
-    pcmrec_callback(true);        
+    pcmrec_callback(true);
 
     close_wave();
-    
+
     is_stopping = 0;   
 }
 
@@ -544,7 +545,7 @@ static void pcmrec_open(void)
 {
     unsigned long buffer_start;
     int i;
-    
+
     show_waveform = 0;
     is_recording = 0;
     is_stopping = 0;
@@ -555,7 +556,7 @@ static void pcmrec_open(void)
 
     buffer_start = (unsigned long)(&audiobuf[(audiobufend - audiobuf) - (ALL_BUFFERS_SIZE + 16)]);
     buffer_start &= ~3;
-    
+
     for (i=0; i<NUM_BUFFERS; i++)
     {
         rec_buffers[i] = (unsigned char*)(buffer_start + EACH_BUFFER_SIZE * i);
@@ -572,61 +573,69 @@ static void pcmrec_open(void)
     ICR4 = (ICR4 & 0xffffff00) | 0x0000001c;  /* Enable interrupt at level 7, priority 0 */
     IMR &= ~(1<<15);                /* bit 15 is DMA1 */
 
-    init_done = 1;    
+    init_done = 1;
 }
 
 static void pcmrec_close(void)
 {
+#if defined(HAVE_UDA1380)
     uda1380_disable_recording();
+#elif defined(HAVE_TLV320)
+    tlv320_disable_recording();
+#endif
 
     DMAROUTE = (DMAROUTE & 0xffff00ff);
     ICR4 = (ICR4 & 0xffffff00);     /* Disable interrupt */
-    IMR |= (1<<15);                 /* bit 15 is DMA1 */        
+    IMR |= (1<<15);                 /* bit 15 is DMA1 */
 
 }
 
 static void pcmrec_thread(void)
 {
     struct event ev;
-    
+
     logf("thread pcmrec start");
-    
+
     while (1)
     {
         queue_wait(&pcmrec_queue, &ev);
-        
+
         switch (ev.id)
         {
             case PCMREC_OPEN:
                 pcmrec_open();
                 break;
-                
+
             case PCMREC_CLOSE:
                 pcmrec_close();
-                break;    
-            
+                break;
+
             case PCMREC_START:
                 pcmrec_start();
                 break;
-            
+
             case PCMREC_STOP:
                 pcmrec_stop();
                 break;
-            
+
             case PCMREC_PAUSE:
                 /* todo */
                 break;
-            
+
             case PCMREC_RESUME:
                 /* todo */
                 break;
-            
+
             case PCMREC_NEW_FILE:
                 /* todo */
                 break;
-            
+
             case PCMREC_SET_GAIN:
+#if defined(HAVE_UDA1380)
                 uda1380_set_recvol(rec_gain, rec_gain, rec_volume);
+#elif defined(HAVE_TLV320)
+                /* ToDo */
+#endif
                 break;
 
             case PCMREC_GOT_DATA:
@@ -637,13 +646,12 @@ static void pcmrec_thread(void)
                 if (!is_recording && !is_stopping)
                 {
                     usb_acknowledge(SYS_USB_CONNECTED_ACK);
-                    usb_wait_for_disconnect(&pcmrec_queue);                    
+                    usb_wait_for_disconnect(&pcmrec_queue);
                 }
-                
                 break;
         }
     }
-    
+
     logf("thread pcmrec done");
 }