pcm: Remove unused function pcm_play_dma_get_peak_buffer()

Change-Id: Ifd20fb14a22489cdb99154c01f69809a1e70d0c5

firmware/export/pcm-internal.h

@@ -121,7 +121,6 @@ pcm_play_dma_status_callback(enum pcm_dma_status status)
 void pcm_play_dma_start_int(const void *addr, size_t size);
 void pcm_play_dma_stop_int(void);
 void pcm_play_stop_int(void);
-const void *pcm_play_dma_get_peak_buffer_int(int *count);
 #endif /* HAVE_SW_VOLUME_CONTROL && !PCM_SW_VOLUME_UNBUFFERED */
 
 /* Called by the bottom layer ISR when more data is needed. Returns true
@@ -145,7 +144,6 @@ void pcm_play_dma_init(void) INIT_ATTR;
 void pcm_play_dma_postinit(void);
 void pcm_play_dma_start(const void *addr, size_t size);
 void pcm_play_dma_stop(void);
-const void * pcm_play_dma_get_peak_buffer(int *count);
 
 void pcm_dma_apply_settings(void);
 

firmware/pcm_sw_volume.c

@@ -285,23 +285,6 @@ void pcm_play_dma_stop_int(void)
     src_buf_rem = 0;
 }
 
-/* Return playing buffer from the source buffer */
-const void * pcm_play_dma_get_peak_buffer_int(int *count)
-{
-    const void *addr = src_buf_addr;
-    size_t size = src_buf_rem;
-    const void *addr2 = src_buf_addr;
-
-    if (addr == addr2 && size)
-    {
-        *count = size / PCM_SAMPLE_SIZE;
-        return addr;
-    }
-
-    *count = 0;
-    return NULL;
-}
-
 #endif /* PCM_SW_VOLUME_UNBUFFERED */
 
 

firmware/target/arm/as3525/pcm-as3525.c

@@ -200,18 +200,6 @@ void pcm_dma_apply_settings(void)
              0x01ffffff);
 }
 
-const void * pcm_play_dma_get_peak_buffer(int *count)
-{
-    int oldstatus = disable_irq_save();
-    size_t addr = DMAC_CH_SRC_ADDR(0);
-    size_t start_addr = (size_t)dma_start_addr;
-    size_t start_size = dma_start_size;
-    restore_interrupt(oldstatus);
-
-    *count = (start_size - addr + start_addr) >> 2;
-    return (void*)AS3525_UNCACHED_ADDR(addr);
-}
-
 #ifdef HAVE_PCM_DMA_ADDRESS
 void * pcm_dma_addr(void *addr)
 {

firmware/target/arm/imx233/pcm-imx233.c

@@ -175,17 +175,6 @@ void pcm_dma_apply_settings(void)
     pcm_play_unlock();
 }
 
-const void *pcm_play_dma_get_peak_buffer(int *count)
-{
-    if(!dac_freezed)
-        imx233_dma_freeze_channel(APB_AUDIO_DAC, true);
-    struct imx233_dma_info_t info = imx233_dma_get_info(APB_AUDIO_DAC, DMA_INFO_AHB_BYTES | DMA_INFO_BAR);
-    if(!dac_freezed)
-        imx233_dma_freeze_channel(APB_AUDIO_DAC, false);
-    *count = info.ahb_bytes;
-    return (void *)info.bar;
-}
-
 /*
  * Recording
  */

firmware/target/arm/imx31/gigabeat-s/pcm-gigabeat-s.c

@@ -224,34 +224,6 @@ void pcm_play_dma_stop(void)
     play_stop_pcm();
 }
 
-/* Return a pointer to the samples and the number of them in *count */
-const void * pcm_play_dma_get_peak_buffer(int *count)
-{
-    static unsigned long dsa NOCACHEBSS_ATTR;
-    unsigned long addr;
-    long offs, size;
-    int oldstatus;
-
-    /* read burst dma source address register in channel context */
-    sdma_read_words(&dsa, CHANNEL_CONTEXT_ADDR(DMA_PLAY_CH_NUM)+0x0b, 1);
-
-    oldstatus = disable_irq_save();
-    addr = dsa;
-    offs = addr - (unsigned long)dma_play_bd.buf_addr;
-    size = dma_play_bd.mode.count;
-    restore_irq(oldstatus);
-
-    /* Be addresses are coherent (no buffer change during read) */
-    if (offs >= 0 && offs < size)
-    {
-        *count = (size - offs) >> 2;
-        return (void *)((addr + 2) & ~3);
-    }
-
-    *count = 0;
-    return NULL;
-}
-
 void * pcm_dma_addr(void *addr)
 {
     return (void *)addr_virt_to_phys((unsigned long)addr);

firmware/target/arm/pcm-telechips.c

@@ -62,14 +62,6 @@ struct dma_data dma_play_data SHAREDBSS_ATTR =
     .state = 0
 };
 
-const void * pcm_play_dma_get_peak_buffer(int *count)
-{
-    unsigned long addr = (unsigned long)dma_play_data.p;
-    size_t cnt = dma_play_data.size;
-    *count = cnt >> 2;
-    return (void *)((addr + 2) & ~3);
-}
-
 void pcm_play_dma_init(void)
 {
     DAVC = 0x0;         /* Digital Volume = max */

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

@@ -512,19 +512,6 @@ void pcm_play_dma_postinit(void)
     audiohw_postinit();
 }
 
-const void * pcm_play_dma_get_peak_buffer(int *count)
-{
-    unsigned long addr, size;
-
-    int status = disable_fiq_save();
-    addr = dma_play_data.addr;
-    size = dma_play_data.size;
-    restore_fiq(status);
-
-    *count = size >> 2;
-    return (void *)((addr + 2) & ~3);
-}
-
 /****************************************************************************
  ** Recording DMA transfer
  **/

firmware/target/arm/rk27xx/pcm-rk27xx.c

@@ -263,18 +263,6 @@ void INT_HDMA(void)
     }
 }
 
-const void * pcm_play_dma_get_peak_buffer(int *count)
-{
-    uint32_t addr;
-    
-    int old = disable_irq_save();
-    addr = HDMA_CSRC0;
-    *count = ((HDMA_CCNT0 & 0xffff)<<2);
-    restore_interrupt(old);
-
-    return (void*)addr;
-}
-
 /****************************************************************************
  ** Recording DMA transfer
  **/

firmware/target/arm/s3c2440/gigabeat-fx/pcm-meg-fx.c

@@ -219,11 +219,3 @@ void fiq_handler(void)
 
     pcm_play_dma_status_callback(PCM_DMAST_STARTED);
 }
-
-const void * pcm_play_dma_get_peak_buffer(int *count)
-{
-    unsigned long addr = DCSRC2;
-    int cnt = DSTAT2;
-    *count = (cnt & 0xFFFFF) >> 1;
-    return (void *)((addr + 2) & ~3);
-}

firmware/target/arm/s3c2440/mini2440/pcm-mini2440.c

@@ -259,11 +259,3 @@ void fiq_handler(void)
 
     pcm_play_dma_status_callback(PCM_DMAST_STARTED);
 }
-
-const void * pcm_play_dma_get_peak_buffer(int *count)
-{
-    unsigned long addr = DCSRC2;
-    int cnt = DSTAT2;
-    *count = (cnt & 0xFFFFF) >> 1;
-    return (void *)((addr + 2) & ~3);
-}

firmware/target/arm/s5l8700/pcm-s5l8700.c

@@ -262,12 +262,6 @@ void pcm_dma_apply_settings(void)
     pcm_dma_set_freq(pcm_fsel);
 }
 
-const void * pcm_play_dma_get_peak_buffer(int *count)
-{
-    *count = DMACTCNT0 >> 1;
-    return (void *)(((DMACADDR0 + 2) & ~3) | 0x40000000);
-}
-
 #ifdef HAVE_PCM_DMA_ADDRESS
 void * pcm_dma_addr(void *addr)
 {

firmware/target/arm/s5l8702/pcm-s5l8702.c

@@ -216,13 +216,6 @@ void pcm_play_dma_postinit(void)
     audiohw_postinit();
 }
 
-const void* pcm_play_dma_get_peak_buffer(int *count)
-{
-    void *addr = dmac_ch_get_info(&dma_play_ch, count, NULL);
-    *count >>= 2; /* bytes to samples */
-    return addr; /* aligned to dest burst */
-}
-
 #ifdef HAVE_PCM_DMA_ADDRESS
 void * pcm_dma_addr(void *addr)
 {

firmware/target/arm/tms320dm320/creative-zvm/pcm-creativezvm.c

@@ -52,12 +52,6 @@ void pcm_play_dma_postinit(void)
 //    dsp_wake();
 }
 
-const void * pcm_play_dma_get_peak_buffer(int *count)
-{
-    (void) count;
-    return 0;
-}
-
 void pcm_dma_apply_settings(void)
 {
     audiohw_set_frequency(pcm_fsel);

firmware/target/arm/tms320dm320/mrobe-500/pcm-mr500.c

@@ -46,22 +46,6 @@ void pcm_play_dma_postinit(void)
     audiohw_postinit();
 }
 
-/* Return the current location in the SDRAM to SARAM transfer along with the
- *  number of bytes read in the current buffer (count).  There is latency with
- *  this method equivalent to ~ the size of the SARAM buffer since there is
- *  another buffer between your ears and this calculation, but this works for
- *  key clicks and an approximate peak meter.
- */
-const void * pcm_play_dma_get_peak_buffer(int *count)
-{
-    int cnt = DSP_(_sdem_level);
-
-    unsigned long addr = (unsigned long) start + cnt;
-    
-    *count = (cnt & 0xFFFFF) >> 1;
-    return (void *)((addr + 2) & ~3);
-}
-
 void pcm_play_dma_init(void)
 {
     IO_INTC_IRQ0 = INTR_IRQ0_IMGBUF;

firmware/target/arm/tms320dm320/sansa-connect/pcm-sansaconnect.c

@@ -42,22 +42,6 @@ void pcm_play_dma_postinit(void)
     audiohw_postinit();
 }
 
-/* Return the current location in the SDRAM to SARAM transfer along with the
- *  number of bytes read in the current buffer (count).  There is latency with
- *  this method equivalent to ~ the size of the SARAM buffer since there is
- *  another buffer between your ears and this calculation, but this works for
- *  key clicks and an approximate peak meter.
- */
-const void * pcm_play_dma_get_peak_buffer(int *count)
-{
-    int cnt = DSP_(_sdem_level);
-
-    unsigned long addr = (unsigned long) start + cnt;
-    
-    *count = (cnt & 0xFFFFF) >> 1;
-    return (void *)((addr + 2) & ~3);
-}
-
 void pcm_play_dma_init(void)
 {
     /* GIO16 is DSP/AIC3X CLK */

firmware/target/coldfire/pcm-coldfire.c

@@ -301,21 +301,6 @@ void DMA0(void)
     /* else inished playing */
 } /* DMA0 */
 
-const void * pcm_play_dma_get_peak_buffer(int *count)
-{
-    unsigned long addr, cnt;
-
-    /* Make sure interrupt doesn't change the second value after we read the
-     * first value. */
-    int level = set_irq_level(DMA_IRQ_LEVEL);
-    addr = SAR0;
-    cnt = BCR0;
-    restore_irq(level);
-
-    *count = (cnt & 0xffffff) >> 2;
-    return (void *)((addr + 2) & ~3);
-} /* pcm_play_dma_get_peak_buffer */
-
 #ifdef HAVE_RECORDING
 /****************************************************************************
  ** Recording DMA transfer

firmware/target/hosted/android/pcm-android.c

@@ -171,13 +171,6 @@ void pcm_play_dma_stop(void)
                            stop_method);
 }
 
-const void * pcm_play_dma_get_peak_buffer(int *count)
-{
-    uintptr_t addr = (uintptr_t)pcm_data_start;
-    *count = pcm_data_size / 4;
-    return (void *)((addr + 3) & ~3);
-}
-
 void pcm_play_dma_init(void)
 {
     /* in order to have background music playing after leaving the activity,

firmware/target/hosted/ibasso/pcm-ibasso.c

@@ -439,17 +439,6 @@ void pcm_dma_apply_settings(void)
     }
 }
 
-/* TODO: WTF */
-const void* pcm_play_dma_get_peak_buffer(int* count)
-{
-    TRACE;
-
-    uintptr_t addr = (uintptr_t) _pcm_buffer;
-    *count = _pcm_buffer_size / 4;
-    return (void*) ((addr + 3) & ~3);
-}
-
-
 void pcm_close_device(void)
 {
     TRACE;

firmware/target/hosted/maemo/pcm-gstreamer.c

@@ -191,14 +191,6 @@ static void feed_data(GstElement * appsrc, guint size_hint, void *unused)
     unlock_audio();
 }
 
-const void * pcm_play_dma_get_peak_buffer(int *count)
-{
-    uintptr_t addr = (uintptr_t)pcm_data;
-    *count = pcm_data_size / 4;
-    return (void *)((addr + 2) & ~3);
-}
-
-
 static gboolean
 gst_bus_message (GstBus * bus, GstMessage * message, void *unused)
 {

firmware/target/hosted/pcm-alsa.c

@@ -775,13 +775,6 @@ void pcm_play_dma_start(const void *addr, size_t size)
     }
 }
 
-const void * pcm_play_dma_get_peak_buffer(int *count)
-{
-    uintptr_t addr = (uintptr_t)pcm_data;
-    *count = pcm_size / 4;
-    return (void *)((addr + 3) & ~3);
-}
-
 void pcm_play_dma_postinit(void)
 {
     audiohw_postinit();

firmware/target/hosted/sdl/pcm-sdl.c

@@ -276,13 +276,6 @@ static void sdl_audio_callback(struct pcm_udata *udata, Uint8 *stream, int len)
     SDL_UnlockMutex(audio_lock);
 }
 
-const void * pcm_play_dma_get_peak_buffer(int *count)
-{
-    uintptr_t addr = (uintptr_t)pcm_data;
-    *count = pcm_data_size / 4;
-    return (void *)((addr + 2) & ~3);
-}
-
 #ifdef HAVE_RECORDING
 void pcm_rec_lock(void)
 {

firmware/target/mips/ingenic_jz47xx/pcm-jz4740.c

@@ -203,28 +203,6 @@ static int get_dma_count(void)
     return count;
 }
 
-const void * pcm_play_dma_get_peak_buffer(int *count)
-{
-    int flags = disable_irq_save();
-
-    const void* addr;
-    if(REG_DMAC_DCCSR(DMA_AIC_TX_CHANNEL) & DMAC_DCCSR_EN)
-    {
-        int bytes = get_dma_count();
-        *count = bytes >> 2;
-        addr = (const void*)((int)(playback_address + bytes + 2) & ~3);
-    }
-    else
-    {
-        *count = 0;
-        addr = NULL;
-    }
-
-    restore_irq(flags);
-
-    return addr;
-}
-
 void audiohw_close(void)
 {
     /* TODO: prevent pop */

firmware/target/mips/ingenic_jz47xx/pcm-jz4760.c

@@ -191,25 +191,3 @@ static int get_dma_count(void)
 
     return count;
 }
-
-const void * pcm_play_dma_get_peak_buffer(int *count)
-{
-    int flags = disable_irq_save();
-
-    const void* addr;
-    if(REG_DMAC_DCCSR(DMA_AIC_TX_CHANNEL) & DMAC_DCCSR_EN)
-    {
-        int bytes = get_dma_count();
-        *count = bytes >> 2;
-        addr = (const void*)((int)(playback_address + bytes + 2) & ~3);
-    }
-    else
-    {
-        *count = 0;
-        addr = NULL;
-    }
-
-    restore_irq(flags);
-
-    return addr;
-}