[ARM] pxa: add namespace on ssp
In order to prevent code ambiguous, add namespace on functions in ssp driver.
Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
diff --git a/arch/arm/plat-pxa/include/plat/ssp.h b/arch/arm/plat-pxa/include/plat/ssp.h
index d16d79a..fe43150 100644
--- a/arch/arm/plat-pxa/include/plat/ssp.h
+++ b/arch/arm/plat-pxa/include/plat/ssp.h
@@ -159,28 +159,28 @@
};
/**
- * ssp_write_reg - Write to a SSP register
+ * pxa_ssp_write_reg - Write to a SSP register
*
* @dev: SSP device to access
* @reg: Register to write to
* @val: Value to be written.
*/
-static inline void ssp_write_reg(struct ssp_device *dev, u32 reg, u32 val)
+static inline void pxa_ssp_write_reg(struct ssp_device *dev, u32 reg, u32 val)
{
__raw_writel(val, dev->mmio_base + reg);
}
/**
- * ssp_read_reg - Read from a SSP register
+ * pxa_ssp_read_reg - Read from a SSP register
*
* @dev: SSP device to access
* @reg: Register to read from
*/
-static inline u32 ssp_read_reg(struct ssp_device *dev, u32 reg)
+static inline u32 pxa_ssp_read_reg(struct ssp_device *dev, u32 reg)
{
return __raw_readl(dev->mmio_base + reg);
}
-struct ssp_device *ssp_request(int port, const char *label);
-void ssp_free(struct ssp_device *);
+struct ssp_device *pxa_ssp_request(int port, const char *label);
+void pxa_ssp_free(struct ssp_device *);
#endif /* __ASM_ARCH_SSP_H */
diff --git a/arch/arm/plat-pxa/ssp.c b/arch/arm/plat-pxa/ssp.c
index 52c07cc..c6357e5 100644
--- a/arch/arm/plat-pxa/ssp.c
+++ b/arch/arm/plat-pxa/ssp.c
@@ -37,7 +37,7 @@
static DEFINE_MUTEX(ssp_lock);
static LIST_HEAD(ssp_list);
-struct ssp_device *ssp_request(int port, const char *label)
+struct ssp_device *pxa_ssp_request(int port, const char *label)
{
struct ssp_device *ssp = NULL;
@@ -58,9 +58,9 @@
return ssp;
}
-EXPORT_SYMBOL(ssp_request);
+EXPORT_SYMBOL(pxa_ssp_request);
-void ssp_free(struct ssp_device *ssp)
+void pxa_ssp_free(struct ssp_device *ssp)
{
mutex_lock(&ssp_lock);
if (ssp->use_count) {
@@ -70,9 +70,9 @@
dev_err(&ssp->pdev->dev, "device already free\n");
mutex_unlock(&ssp_lock);
}
-EXPORT_SYMBOL(ssp_free);
+EXPORT_SYMBOL(pxa_ssp_free);
-static int __devinit ssp_probe(struct platform_device *pdev)
+static int __devinit pxa_ssp_probe(struct platform_device *pdev)
{
const struct platform_device_id *id = platform_get_device_id(pdev);
struct resource *res;
@@ -164,7 +164,7 @@
return ret;
}
-static int __devexit ssp_remove(struct platform_device *pdev)
+static int __devexit pxa_ssp_remove(struct platform_device *pdev)
{
struct resource *res;
struct ssp_device *ssp;
@@ -196,9 +196,9 @@
{ },
};
-static struct platform_driver ssp_driver = {
- .probe = ssp_probe,
- .remove = __devexit_p(ssp_remove),
+static struct platform_driver pxa_ssp_driver = {
+ .probe = pxa_ssp_probe,
+ .remove = __devexit_p(pxa_ssp_remove),
.driver = {
.owner = THIS_MODULE,
.name = "pxa2xx-ssp",
@@ -208,12 +208,12 @@
static int __init pxa_ssp_init(void)
{
- return platform_driver_register(&ssp_driver);
+ return platform_driver_register(&pxa_ssp_driver);
}
static void __exit pxa_ssp_exit(void)
{
- platform_driver_unregister(&ssp_driver);
+ platform_driver_unregister(&pxa_ssp_driver);
}
arch_initcall(pxa_ssp_init);
diff --git a/drivers/spi/pxa2xx_spi.c b/drivers/spi/pxa2xx_spi.c
index 50d6b78..e76b1af 100644
--- a/drivers/spi/pxa2xx_spi.c
+++ b/drivers/spi/pxa2xx_spi.c
@@ -1465,7 +1465,7 @@
platform_info = dev->platform_data;
- ssp = ssp_request(pdev->id, pdev->name);
+ ssp = pxa_ssp_request(pdev->id, pdev->name);
if (ssp == NULL) {
dev_err(&pdev->dev, "failed to request SSP%d\n", pdev->id);
return -ENODEV;
@@ -1475,7 +1475,7 @@
master = spi_alloc_master(dev, sizeof(struct driver_data) + 16);
if (!master) {
dev_err(&pdev->dev, "cannot alloc spi_master\n");
- ssp_free(ssp);
+ pxa_ssp_free(ssp);
return -ENOMEM;
}
drv_data = spi_master_get_devdata(master);
@@ -1604,7 +1604,7 @@
out_error_master_alloc:
spi_master_put(master);
- ssp_free(ssp);
+ pxa_ssp_free(ssp);
return status;
}
@@ -1648,7 +1648,7 @@
free_irq(ssp->irq, drv_data);
/* Release SSP */
- ssp_free(ssp);
+ pxa_ssp_free(ssp);
/* Disconnect from the SPI framework */
spi_unregister_master(drv_data->master);
diff --git a/sound/soc/pxa/pxa-ssp.c b/sound/soc/pxa/pxa-ssp.c
index 6271a10..a1fd23e 100644
--- a/sound/soc/pxa/pxa-ssp.c
+++ b/sound/soc/pxa/pxa-ssp.c
@@ -56,15 +56,15 @@
static void dump_registers(struct ssp_device *ssp)
{
dev_dbg(&ssp->pdev->dev, "SSCR0 0x%08x SSCR1 0x%08x SSTO 0x%08x\n",
- ssp_read_reg(ssp, SSCR0), ssp_read_reg(ssp, SSCR1),
- ssp_read_reg(ssp, SSTO));
+ pxa_ssp_read_reg(ssp, SSCR0), pxa_ssp_read_reg(ssp, SSCR1),
+ pxa_ssp_read_reg(ssp, SSTO));
dev_dbg(&ssp->pdev->dev, "SSPSP 0x%08x SSSR 0x%08x SSACD 0x%08x\n",
- ssp_read_reg(ssp, SSPSP), ssp_read_reg(ssp, SSSR),
- ssp_read_reg(ssp, SSACD));
+ pxa_ssp_read_reg(ssp, SSPSP), pxa_ssp_read_reg(ssp, SSSR),
+ pxa_ssp_read_reg(ssp, SSACD));
}
-static void ssp_enable(struct ssp_device *ssp)
+static void pxa_ssp_enable(struct ssp_device *ssp)
{
uint32_t sscr0;
@@ -72,7 +72,7 @@
__raw_writel(sscr0, ssp->mmio_base + SSCR0);
}
-static void ssp_disable(struct ssp_device *ssp)
+static void pxa_ssp_disable(struct ssp_device *ssp)
{
uint32_t sscr0;
@@ -86,7 +86,7 @@
};
static struct pxa2xx_pcm_dma_params *
-ssp_get_dma_params(struct ssp_device *ssp, int width4, int out)
+pxa_ssp_get_dma_params(struct ssp_device *ssp, int width4, int out)
{
struct pxa2xx_pcm_dma_data *dma;
@@ -118,7 +118,7 @@
if (!cpu_dai->active) {
clk_enable(ssp->clk);
- ssp_disable(ssp);
+ pxa_ssp_disable(ssp);
}
kfree(snd_soc_dai_get_dma_data(cpu_dai, substream));
@@ -136,7 +136,7 @@
struct ssp_device *ssp = priv->ssp;
if (!cpu_dai->active) {
- ssp_disable(ssp);
+ pxa_ssp_disable(ssp);
clk_disable(ssp->clk);
}
@@ -159,7 +159,7 @@
priv->to = __raw_readl(ssp->mmio_base + SSTO);
priv->psp = __raw_readl(ssp->mmio_base + SSPSP);
- ssp_disable(ssp);
+ pxa_ssp_disable(ssp);
clk_disable(ssp->clk);
return 0;
}
@@ -179,7 +179,7 @@
__raw_writel(priv->psp, ssp->mmio_base + SSPSP);
if (cpu_dai->active)
- ssp_enable(ssp);
+ pxa_ssp_enable(ssp);
else
clk_disable(ssp->clk);
@@ -195,9 +195,9 @@
* ssp_set_clkdiv - set SSP clock divider
* @div: serial clock rate divider
*/
-static void ssp_set_scr(struct ssp_device *ssp, u32 div)
+static void pxa_ssp_set_scr(struct ssp_device *ssp, u32 div)
{
- u32 sscr0 = ssp_read_reg(ssp, SSCR0);
+ u32 sscr0 = pxa_ssp_read_reg(ssp, SSCR0);
if (cpu_is_pxa25x() && ssp->type == PXA25x_SSP) {
sscr0 &= ~0x0000ff00;
@@ -206,15 +206,15 @@
sscr0 &= ~0x000fff00;
sscr0 |= (div - 1) << 8; /* 1..4096 */
}
- ssp_write_reg(ssp, SSCR0, sscr0);
+ pxa_ssp_write_reg(ssp, SSCR0, sscr0);
}
/**
- * ssp_get_clkdiv - get SSP clock divider
+ * pxa_ssp_get_clkdiv - get SSP clock divider
*/
-static u32 ssp_get_scr(struct ssp_device *ssp)
+static u32 pxa_ssp_get_scr(struct ssp_device *ssp)
{
- u32 sscr0 = ssp_read_reg(ssp, SSCR0);
+ u32 sscr0 = pxa_ssp_read_reg(ssp, SSCR0);
u32 div;
if (cpu_is_pxa25x() && ssp->type == PXA25x_SSP)
@@ -234,7 +234,7 @@
struct ssp_device *ssp = priv->ssp;
int val;
- u32 sscr0 = ssp_read_reg(ssp, SSCR0) &
+ u32 sscr0 = pxa_ssp_read_reg(ssp, SSCR0) &
~(SSCR0_ECS | SSCR0_NCS | SSCR0_MOD | SSCR0_ACS);
dev_dbg(&ssp->pdev->dev,
@@ -262,7 +262,7 @@
break;
case PXA_SSP_CLK_AUDIO:
priv->sysclk = 0;
- ssp_set_scr(ssp, 1);
+ pxa_ssp_set_scr(ssp, 1);
sscr0 |= SSCR0_ACS;
break;
default:
@@ -273,8 +273,8 @@
* on PXA2xx. On PXA3xx it must be enabled when doing so. */
if (!cpu_is_pxa3xx())
clk_disable(ssp->clk);
- val = ssp_read_reg(ssp, SSCR0) | sscr0;
- ssp_write_reg(ssp, SSCR0, val);
+ val = pxa_ssp_read_reg(ssp, SSCR0) | sscr0;
+ pxa_ssp_write_reg(ssp, SSCR0, val);
if (!cpu_is_pxa3xx())
clk_enable(ssp->clk);
@@ -293,11 +293,11 @@
switch (div_id) {
case PXA_SSP_AUDIO_DIV_ACDS:
- val = (ssp_read_reg(ssp, SSACD) & ~0x7) | SSACD_ACDS(div);
- ssp_write_reg(ssp, SSACD, val);
+ val = (pxa_ssp_read_reg(ssp, SSACD) & ~0x7) | SSACD_ACDS(div);
+ pxa_ssp_write_reg(ssp, SSACD, val);
break;
case PXA_SSP_AUDIO_DIV_SCDB:
- val = ssp_read_reg(ssp, SSACD);
+ val = pxa_ssp_read_reg(ssp, SSACD);
val &= ~SSACD_SCDB;
#if defined(CONFIG_PXA3xx)
if (cpu_is_pxa3xx())
@@ -320,10 +320,10 @@
default:
return -EINVAL;
}
- ssp_write_reg(ssp, SSACD, val);
+ pxa_ssp_write_reg(ssp, SSACD, val);
break;
case PXA_SSP_DIV_SCR:
- ssp_set_scr(ssp, div);
+ pxa_ssp_set_scr(ssp, div);
break;
default:
return -ENODEV;
@@ -340,11 +340,11 @@
{
struct ssp_priv *priv = cpu_dai->private_data;
struct ssp_device *ssp = priv->ssp;
- u32 ssacd = ssp_read_reg(ssp, SSACD) & ~0x70;
+ u32 ssacd = pxa_ssp_read_reg(ssp, SSACD) & ~0x70;
#if defined(CONFIG_PXA3xx)
if (cpu_is_pxa3xx())
- ssp_write_reg(ssp, SSACDD, 0);
+ pxa_ssp_write_reg(ssp, SSACDD, 0);
#endif
switch (freq_out) {
@@ -382,7 +382,7 @@
val = tmp;
val = (val << 16) | 64;
- ssp_write_reg(ssp, SSACDD, val);
+ pxa_ssp_write_reg(ssp, SSACDD, val);
ssacd |= (0x6 << 4);
@@ -396,7 +396,7 @@
return -EINVAL;
}
- ssp_write_reg(ssp, SSACD, ssacd);
+ pxa_ssp_write_reg(ssp, SSACD, ssacd);
return 0;
}
@@ -411,7 +411,7 @@
struct ssp_device *ssp = priv->ssp;
u32 sscr0;
- sscr0 = ssp_read_reg(ssp, SSCR0);
+ sscr0 = pxa_ssp_read_reg(ssp, SSCR0);
sscr0 &= ~(SSCR0_MOD | SSCR0_SlotsPerFrm(8) | SSCR0_EDSS | SSCR0_DSS);
/* set slot width */
@@ -428,10 +428,10 @@
sscr0 |= SSCR0_SlotsPerFrm(slots);
/* set active slot mask */
- ssp_write_reg(ssp, SSTSA, tx_mask);
- ssp_write_reg(ssp, SSRSA, rx_mask);
+ pxa_ssp_write_reg(ssp, SSTSA, tx_mask);
+ pxa_ssp_write_reg(ssp, SSRSA, rx_mask);
}
- ssp_write_reg(ssp, SSCR0, sscr0);
+ pxa_ssp_write_reg(ssp, SSCR0, sscr0);
return 0;
}
@@ -446,12 +446,12 @@
struct ssp_device *ssp = priv->ssp;
u32 sscr1;
- sscr1 = ssp_read_reg(ssp, SSCR1);
+ sscr1 = pxa_ssp_read_reg(ssp, SSCR1);
if (tristate)
sscr1 &= ~SSCR1_TTE;
else
sscr1 |= SSCR1_TTE;
- ssp_write_reg(ssp, SSCR1, sscr1);
+ pxa_ssp_write_reg(ssp, SSCR1, sscr1);
return 0;
}
@@ -475,14 +475,14 @@
return 0;
/* we can only change the settings if the port is not in use */
- if (ssp_read_reg(ssp, SSCR0) & SSCR0_SSE) {
+ if (pxa_ssp_read_reg(ssp, SSCR0) & SSCR0_SSE) {
dev_err(&ssp->pdev->dev,
"can't change hardware dai format: stream is in use");
return -EINVAL;
}
/* reset port settings */
- sscr0 = ssp_read_reg(ssp, SSCR0) &
+ sscr0 = pxa_ssp_read_reg(ssp, SSCR0) &
(SSCR0_ECS | SSCR0_NCS | SSCR0_MOD | SSCR0_ACS);
sscr1 = SSCR1_RxTresh(8) | SSCR1_TxTresh(7);
sspsp = 0;
@@ -534,9 +534,9 @@
return -EINVAL;
}
- ssp_write_reg(ssp, SSCR0, sscr0);
- ssp_write_reg(ssp, SSCR1, sscr1);
- ssp_write_reg(ssp, SSPSP, sspsp);
+ pxa_ssp_write_reg(ssp, SSCR0, sscr0);
+ pxa_ssp_write_reg(ssp, SSCR1, sscr1);
+ pxa_ssp_write_reg(ssp, SSPSP, sspsp);
dump_registers(ssp);
@@ -565,7 +565,7 @@
u32 sscr0;
u32 sspsp;
int width = snd_pcm_format_physical_width(params_format(params));
- int ttsa = ssp_read_reg(ssp, SSTSA) & 0xf;
+ int ttsa = pxa_ssp_read_reg(ssp, SSTSA) & 0xf;
struct pxa2xx_pcm_dma_params *dma_data;
dma_data = snd_soc_dai_get_dma_data(dai, substream);
@@ -577,22 +577,22 @@
* to force 16-bit frame width on the wire (for S16_LE), even
* with two channels. Use 16-bit DMA transfers for this case.
*/
- dma_data = ssp_get_dma_params(ssp,
+ dma_data = pxa_ssp_get_dma_params(ssp,
((chn == 2) && (ttsa != 1)) || (width == 32),
substream->stream == SNDRV_PCM_STREAM_PLAYBACK);
snd_soc_dai_set_dma_data(dai, substream, dma_data);
/* we can only change the settings if the port is not in use */
- if (ssp_read_reg(ssp, SSCR0) & SSCR0_SSE)
+ if (pxa_ssp_read_reg(ssp, SSCR0) & SSCR0_SSE)
return 0;
/* clear selected SSP bits */
- sscr0 = ssp_read_reg(ssp, SSCR0) & ~(SSCR0_DSS | SSCR0_EDSS);
- ssp_write_reg(ssp, SSCR0, sscr0);
+ sscr0 = pxa_ssp_read_reg(ssp, SSCR0) & ~(SSCR0_DSS | SSCR0_EDSS);
+ pxa_ssp_write_reg(ssp, SSCR0, sscr0);
/* bit size */
- sscr0 = ssp_read_reg(ssp, SSCR0);
+ sscr0 = pxa_ssp_read_reg(ssp, SSCR0);
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
#ifdef CONFIG_PXA3xx
@@ -608,13 +608,13 @@
sscr0 |= (SSCR0_EDSS | SSCR0_DataSize(16));
break;
}
- ssp_write_reg(ssp, SSCR0, sscr0);
+ pxa_ssp_write_reg(ssp, SSCR0, sscr0);
switch (priv->dai_fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
- sspsp = ssp_read_reg(ssp, SSPSP);
+ sspsp = pxa_ssp_read_reg(ssp, SSPSP);
- if ((ssp_get_scr(ssp) == 4) && (width == 16)) {
+ if ((pxa_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.
@@ -648,7 +648,7 @@
sspsp |= SSPSP_DMYSTRT(1);
}
- ssp_write_reg(ssp, SSPSP, sspsp);
+ pxa_ssp_write_reg(ssp, SSPSP, sspsp);
break;
default:
break;
@@ -679,45 +679,45 @@
switch (cmd) {
case SNDRV_PCM_TRIGGER_RESUME:
- ssp_enable(ssp);
+ pxa_ssp_enable(ssp);
break;
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
- val = ssp_read_reg(ssp, SSCR1);
+ val = pxa_ssp_read_reg(ssp, SSCR1);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
val |= SSCR1_TSRE;
else
val |= SSCR1_RSRE;
- ssp_write_reg(ssp, SSCR1, val);
- val = ssp_read_reg(ssp, SSSR);
- ssp_write_reg(ssp, SSSR, val);
+ pxa_ssp_write_reg(ssp, SSCR1, val);
+ val = pxa_ssp_read_reg(ssp, SSSR);
+ pxa_ssp_write_reg(ssp, SSSR, val);
break;
case SNDRV_PCM_TRIGGER_START:
- val = ssp_read_reg(ssp, SSCR1);
+ val = pxa_ssp_read_reg(ssp, SSCR1);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
val |= SSCR1_TSRE;
else
val |= SSCR1_RSRE;
- ssp_write_reg(ssp, SSCR1, val);
- ssp_enable(ssp);
+ pxa_ssp_write_reg(ssp, SSCR1, val);
+ pxa_ssp_enable(ssp);
break;
case SNDRV_PCM_TRIGGER_STOP:
- val = ssp_read_reg(ssp, SSCR1);
+ val = pxa_ssp_read_reg(ssp, SSCR1);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
val &= ~SSCR1_TSRE;
else
val &= ~SSCR1_RSRE;
- ssp_write_reg(ssp, SSCR1, val);
+ pxa_ssp_write_reg(ssp, SSCR1, val);
break;
case SNDRV_PCM_TRIGGER_SUSPEND:
- ssp_disable(ssp);
+ pxa_ssp_disable(ssp);
break;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
- val = ssp_read_reg(ssp, SSCR1);
+ val = pxa_ssp_read_reg(ssp, SSCR1);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
val &= ~SSCR1_TSRE;
else
val &= ~SSCR1_RSRE;
- ssp_write_reg(ssp, SSCR1, val);
+ pxa_ssp_write_reg(ssp, SSCR1, val);
break;
default:
@@ -739,7 +739,7 @@
if (!priv)
return -ENOMEM;
- priv->ssp = ssp_request(dai->id + 1, "SoC audio");
+ priv->ssp = pxa_ssp_request(dai->id + 1, "SoC audio");
if (priv->ssp == NULL) {
ret = -ENODEV;
goto err_priv;
@@ -759,7 +759,7 @@
struct snd_soc_dai *dai)
{
struct ssp_priv *priv = dai->private_data;
- ssp_free(priv->ssp);
+ pxa_ssp_free(priv->ssp);
}
#define PXA_SSP_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\