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ASoC: pxa-ssp: Don't use SSCR0_SerClkDiv and SSCR0_SCR

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Those macros are just screwed as soon as CONFIG_PXA25x is enabled.

This patch
- changes ssp_set_scr to take an ssp_dev pointer instead of ssp_device
- adds a corresponding ssp_get_scr function.

Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Philipp Zabel 2009-04-17 11:39:38 +02:00 committed by Mark Brown
parent 002fbad829
commit 1a29728686
1 changed files with 28 additions and 8 deletions
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36
sound/soc/pxa/pxa-ssp.c
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@ -280,12 +280,33 @@ static int pxa_ssp_resume(struct snd_soc_dai *cpu_dai)
* ssp_set_clkdiv - set SSP clock divider
* @div: serial clock rate divider
*/
static void ssp_set_scr(struct ssp_dev *dev, u32 div)
static void ssp_set_scr(struct ssp_device *ssp, u32 div)
{
struct ssp_device *ssp = dev->ssp;
u32 sscr0 = ssp_read_reg(dev->ssp, SSCR0) & ~SSCR0_SCR;
u32 sscr0 = ssp_read_reg(ssp, SSCR0);
ssp_write_reg(ssp, SSCR0, (sscr0 | SSCR0_SerClkDiv(div)));
if (cpu_is_pxa25x() && ssp->type == PXA25x_SSP) {
sscr0 &= ~0x0000ff00;
sscr0 |= ((div - 2)/2) << 8; /* 2..512 */
} else {
sscr0 &= ~0x000fff00;
sscr0 |= (div - 1) << 8; /* 1..4096 */
}
ssp_write_reg(ssp, SSCR0, sscr0);
}
/**
* ssp_get_clkdiv - get SSP clock divider
*/
static u32 ssp_get_scr(struct ssp_device *ssp)
{
u32 sscr0 = ssp_read_reg(ssp, SSCR0);
u32 div;
if (cpu_is_pxa25x() && ssp->type == PXA25x_SSP)
div = ((sscr0 >> 8) & 0xff) * 2 + 2;
else
div = ((sscr0 >> 8) & 0xfff) + 1;
return div;
}
/*
@ -326,7 +347,7 @@ static int pxa_ssp_set_dai_sysclk(struct snd_soc_dai *cpu_dai,
break;
case PXA_SSP_CLK_AUDIO:
priv->sysclk = 0;
ssp_set_scr(&priv->dev, 1);
ssp_set_scr(ssp, 1);
sscr0 |= SSCR0_ACS;
break;
default:
@ -387,7 +408,7 @@ static int pxa_ssp_set_dai_clkdiv(struct snd_soc_dai *cpu_dai,
ssp_write_reg(ssp, SSACD, val);
break;
case PXA_SSP_DIV_SCR:
ssp_set_scr(&priv->dev, div);
ssp_set_scr(ssp, div);
break;
default:
return -ENODEV;
@ -674,8 +695,7 @@ static int pxa_ssp_hw_params(struct snd_pcm_substream *substream,
case SND_SOC_DAIFMT_I2S:
sspsp = ssp_read_reg(ssp, SSPSP);
if (((sscr0 & SSCR0_SCR) == SSCR0_SerClkDiv(4)) &&
(width == 16)) {
if ((ssp_get_scr(ssp) == 4) && (width == 16)) {
/* This is a special case where the bitclk is 64fs
* and we're not dealing with 2*32 bits of audio
* samples.