pcm: Remove unused function pcm_play_dma_get_peak_buffer()

Change-Id: Ifd20fb14a22489cdb99154c01f69809a1e70d0c5

13 files changed, 0 insertions, 151 deletions

diff --git a/firmware/target/arm/as3525/pcm-as3525.c b/firmware/target/arm/as3525/pcm-as3525.c
index dfbda388be..e480140497 100644
--- a/firmware/target/arm/as3525/pcm-as3525.c
+++ b/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)
 {
diff --git a/firmware/target/arm/imx233/pcm-imx233.c b/firmware/target/arm/imx233/pcm-imx233.c
index c06120e4aa..4738485b3d 100644
--- a/firmware/target/arm/imx233/pcm-imx233.c
+++ b/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
  */
diff --git a/firmware/target/arm/imx31/gigabeat-s/pcm-gigabeat-s.c b/firmware/target/arm/imx31/gigabeat-s/pcm-gigabeat-s.c
index 13dff6ecb5..955301b4da 100644
--- a/firmware/target/arm/imx31/gigabeat-s/pcm-gigabeat-s.c
+++ b/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);
diff --git a/firmware/target/arm/pcm-telechips.c b/firmware/target/arm/pcm-telechips.c
index ff550b14d6..336b5626ca 100644
--- a/firmware/target/arm/pcm-telechips.c
+++ b/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 */
diff --git a/firmware/target/arm/pp/pcm-pp.c b/firmware/target/arm/pp/pcm-pp.c
index 8434123a92..0d61eb44ff 100644
--- a/firmware/target/arm/pp/pcm-pp.c
+++ b/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
  **/
diff --git a/firmware/target/arm/rk27xx/pcm-rk27xx.c b/firmware/target/arm/rk27xx/pcm-rk27xx.c
index c0b4c45805..26e3ad87ba 100644
--- a/firmware/target/arm/rk27xx/pcm-rk27xx.c
+++ b/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
  **/
diff --git a/firmware/target/arm/s3c2440/gigabeat-fx/pcm-meg-fx.c b/firmware/target/arm/s3c2440/gigabeat-fx/pcm-meg-fx.c
index d784180e77..e75c3fe7c6 100644
--- a/firmware/target/arm/s3c2440/gigabeat-fx/pcm-meg-fx.c
+++ b/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);
-}
diff --git a/firmware/target/arm/s3c2440/mini2440/pcm-mini2440.c b/firmware/target/arm/s3c2440/mini2440/pcm-mini2440.c
index 9574522586..999a53e3f9 100644
--- a/firmware/target/arm/s3c2440/mini2440/pcm-mini2440.c
+++ b/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);
-}
diff --git a/firmware/target/arm/s5l8700/pcm-s5l8700.c b/firmware/target/arm/s5l8700/pcm-s5l8700.c
index 050e14451d..c7b6ed9a03 100644
--- a/firmware/target/arm/s5l8700/pcm-s5l8700.c
+++ b/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)
 {
diff --git a/firmware/target/arm/s5l8702/pcm-s5l8702.c b/firmware/target/arm/s5l8702/pcm-s5l8702.c
index 33fe637770..d4570f3a7f 100644
--- a/firmware/target/arm/s5l8702/pcm-s5l8702.c
+++ b/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)
 {
diff --git a/firmware/target/arm/tms320dm320/creative-zvm/pcm-creativezvm.c b/firmware/target/arm/tms320dm320/creative-zvm/pcm-creativezvm.c
index d5e30ad73b..fa1eb2481f 100644
--- a/firmware/target/arm/tms320dm320/creative-zvm/pcm-creativezvm.c
+++ b/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);
diff --git a/firmware/target/arm/tms320dm320/mrobe-500/pcm-mr500.c b/firmware/target/arm/tms320dm320/mrobe-500/pcm-mr500.c
index 5ce5a8f399..fda8615e5a 100644
--- a/firmware/target/arm/tms320dm320/mrobe-500/pcm-mr500.c
+++ b/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;
diff --git a/firmware/target/arm/tms320dm320/sansa-connect/pcm-sansaconnect.c b/firmware/target/arm/tms320dm320/sansa-connect/pcm-sansaconnect.c
index f9f19a8045..bda000e68f 100644
--- a/firmware/target/arm/tms320dm320/sansa-connect/pcm-sansaconnect.c
+++ b/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 */