[PATCH 09/13] DMA:remove unnecessary dma configurations

From: zhaoy
Date: Tue Feb 28 2012 - 02:30:13 EST


1.remove old unnecessary dma configurations

Change-Id: I3741d39ba643d7a6b95341e0ba695a689d18e147
Signed-off-by: zhaoy <zhaoy@xxxxxxxxxxx>
---
sound/soc/pxa/mmp2-sspa.c | 28 ++++++++++++++--------------
1 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/sound/soc/pxa/mmp2-sspa.c b/sound/soc/pxa/mmp2-sspa.c
index de3a45f..76e57c7 100644
--- a/sound/soc/pxa/mmp2-sspa.c
+++ b/sound/soc/pxa/mmp2-sspa.c
@@ -259,9 +259,6 @@ mmp2_sspa_get_dma_params(int id, struct ssp_device *sspa, int width, int out)
return NULL;

dma = &mmp2_pcm_adma_params[index];
- dma->dcmd = (out ? (TDCR_DSTDIR_ADDR_HOLD | TDCR_SRCDIR_ADDR_INC) :
- (TDCR_SRCDIR_ADDR_HOLD | TDCR_DSTDIR_ADDR_INC)) |
- TDCR_PACKMOD | TDCR_BURSTSZ_4B | TDCR_FETCHND | width;
dma->dma_ch = out ? sspa->drcmr_tx : sspa->drcmr_rx;
dma->dev_addr = out ? (sspa->phys_base + SSPA_TXD) :
(sspa->phys_base + SSPA_RXD);
@@ -629,20 +626,24 @@ static int mmp3_sspa_hw_params(struct snd_pcm_substream *substream,

switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S8:
- word_size = SSPA_CTL_8_BITS;
+ sspa_ctrl |= SSPA_CTL_XSSZ1(SSPA_CTL_8_BITS);
+ word_size = SSPA_CTL_16_BITS;
bits_per_frame = 16;
as_width = TDCR_SSZ_8_BITS;
case SNDRV_PCM_FORMAT_S16_LE:
+ sspa_ctrl |= SSPA_CTL_XSSZ1(SSPA_CTL_16_BITS);
word_size = SSPA_CTL_32_BITS;
bits_per_frame = 32;
as_width = TDCR_SSZ_16_BITS;
break;
case SNDRV_PCM_FORMAT_S24_LE:
+ sspa_ctrl |= SSPA_CTL_XSSZ1(SSPA_CTL_24_BITS);
word_size = SSPA_CTL_24_BITS;
bits_per_frame = 48;
as_width = TDCR_SSZ_24_BITS;
break;
case SNDRV_PCM_FORMAT_S32_LE:
+ sspa_ctrl |= SSPA_CTL_XSSZ1(SSPA_CTL_32_BITS);
word_size = SSPA_CTL_32_BITS;
bits_per_frame = 64;
as_width = TDCR_SSZ_32_BITS;
@@ -655,8 +656,7 @@ static int mmp3_sspa_hw_params(struct snd_pcm_substream *substream,
* that word_size bit can be sent out. the word_size - 1 length of
* 0 would be ignored in codec. it should be also appiled to other
* formats besides S16_LE */
- sspa_ctrl |= SSPA_CTL_XSSZ1(word_size) |
- SSPA_CTL_XWDLEN1(word_size);
+ sspa_ctrl |= SSPA_CTL_XWDLEN1(word_size);
sspa_sp |= SSPA_SP_FPER((bits_per_frame << 1) - 1) |
SSPA_SP_FWID(bits_per_frame - 1);

@@ -670,16 +670,16 @@ static int mmp3_sspa_hw_params(struct snd_pcm_substream *substream,
mmp2_sspa_write_reg(sspa, SSPA_RXCTL, sspa_ctrl);
mmp2_sspa_write_reg(sspa, SSPA_RXFIFO_UL, 0x0);
mmp2_sspa_write_reg(sspa, SSPA_RXSP, sspa_sp);
-#ifdef CONFIG_CPU_MMP3
+
if (sspa_sp & SSPA_SP_MSL) {
- /* FIXME: hw issue, for the rx port, can not config the
- * master mode in TXSP register. and must clear this bit
- * in TXSP register */
- sspa_sp = mmp2_sspa_read_reg(sspa, SSPA_TXSP);
- sspa_sp |= SSPA_SP_WEN;
- mmp2_sspa_write_reg(sspa, SSPA_TXSP, sspa_sp & ~SSPA_SP_MSL);
+ /* FIXME: hw issue, for the rx port, can not config the
+ * master mode in TXSP register. and must clear this bit
+ * in TXSP register */
+ sspa_sp = mmp2_sspa_read_reg(sspa, SSPA_TXSP);
+ sspa_sp |= SSPA_SP_WEN;
+ mmp2_sspa_write_reg(sspa, SSPA_TXSP,
+ sspa_sp & ~SSPA_SP_MSL);
}
-#endif
}

mmp2_sspa_dump_reg(sspa);
--
1.7.0.4

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