summaryrefslogtreecommitdiffstats
path: root/sound
diff options
context:
space:
mode:
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/omap/mcbsp.h33
-rw-r--r--sound/soc/omap/omap-mcbsp.c53
2 files changed, 38 insertions, 48 deletions
diff --git a/sound/soc/omap/mcbsp.h b/sound/soc/omap/mcbsp.h
index ac90c1a4a48..d250bcc952d 100644
--- a/sound/soc/omap/mcbsp.h
+++ b/sound/soc/omap/mcbsp.h
@@ -269,27 +269,20 @@ struct omap_mcbsp_st_data {
s16 ch1gain;
};
-struct omap_mcbsp_data {
- struct omap_mcbsp_reg_cfg regs;
- struct omap_pcm_dma_data dma_data[2];
- unsigned int fmt;
- /*
- * Flags indicating is the bus already activated and configured by
- * another substream
- */
- int active;
- int configured;
- unsigned int in_freq;
- int clk_div;
- int wlen;
-};
-
struct omap_mcbsp {
struct device *dev;
+ struct clk *fclk;
+ spinlock_t lock;
unsigned long phys_base;
unsigned long phys_dma_base;
void __iomem *io_base;
u8 id;
+ /*
+ * Flags indicating is the bus already activated and configured by
+ * another substream
+ */
+ int active;
+ int configured;
u8 free;
int rx_irq;
@@ -300,16 +293,20 @@ struct omap_mcbsp {
u8 dma_tx_sync;
/* Protect the field .free, while checking if the mcbsp is in use */
- spinlock_t lock;
struct omap_mcbsp_platform_data *pdata;
- struct clk *fclk;
struct omap_mcbsp_st_data *st_data;
- struct omap_mcbsp_data mcbsp_data;
+ struct omap_mcbsp_reg_cfg cfg_regs;
+ struct omap_pcm_dma_data dma_data[2];
int dma_op_mode;
u16 max_tx_thres;
u16 max_rx_thres;
void *reg_cache;
int reg_cache_size;
+
+ unsigned int fmt;
+ unsigned int in_freq;
+ int clk_div;
+ int wlen;
};
void omap_mcbsp_config(struct omap_mcbsp *mcbsp,
diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c
index 69a44aa4eea..4cd7af883de 100644
--- a/sound/soc/omap/omap-mcbsp.c
+++ b/sound/soc/omap/omap-mcbsp.c
@@ -66,7 +66,6 @@ static void omap_mcbsp_set_threshold(struct snd_pcm_substream *substream)
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
struct omap_mcbsp *mcbsp = snd_soc_dai_get_drvdata(cpu_dai);
- struct omap_mcbsp_data *mcbsp_data = &mcbsp->mcbsp_data;
struct omap_pcm_dma_data *dma_data;
int words;
@@ -83,7 +82,7 @@ static void omap_mcbsp_set_threshold(struct snd_pcm_substream *substream)
words = dma_data->packet_size;
else
words = snd_pcm_lib_period_bytes(substream) /
- (mcbsp_data->wlen / 8);
+ (mcbsp->wlen / 8);
else
words = 1;
@@ -160,11 +159,10 @@ static void omap_mcbsp_dai_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *cpu_dai)
{
struct omap_mcbsp *mcbsp = snd_soc_dai_get_drvdata(cpu_dai);
- struct omap_mcbsp_data *mcbsp_data = &mcbsp->mcbsp_data;
if (!cpu_dai->active) {
omap_mcbsp_free(mcbsp);
- mcbsp_data->configured = 0;
+ mcbsp->configured = 0;
}
}
@@ -172,14 +170,13 @@ static int omap_mcbsp_dai_trigger(struct snd_pcm_substream *substream, int cmd,
struct snd_soc_dai *cpu_dai)
{
struct omap_mcbsp *mcbsp = snd_soc_dai_get_drvdata(cpu_dai);
- struct omap_mcbsp_data *mcbsp_data = &mcbsp->mcbsp_data;
int err = 0, play = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK);
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
- mcbsp_data->active++;
+ mcbsp->active++;
omap_mcbsp_start(mcbsp, play, !play);
break;
@@ -187,7 +184,7 @@ static int omap_mcbsp_dai_trigger(struct snd_pcm_substream *substream, int cmd,
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
omap_mcbsp_stop(mcbsp, play, !play);
- mcbsp_data->active--;
+ mcbsp->active--;
break;
default:
err = -EINVAL;
@@ -226,8 +223,7 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream,
struct snd_soc_dai *cpu_dai)
{
struct omap_mcbsp *mcbsp = snd_soc_dai_get_drvdata(cpu_dai);
- struct omap_mcbsp_data *mcbsp_data = &mcbsp->mcbsp_data;
- struct omap_mcbsp_reg_cfg *regs = &mcbsp_data->regs;
+ struct omap_mcbsp_reg_cfg *regs = &mcbsp->cfg_regs;
struct omap_pcm_dma_data *dma_data;
int dma;
int wlen, channels, wpf, sync_mode = OMAP_DMA_SYNC_ELEMENT;
@@ -235,7 +231,7 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream,
unsigned long port;
unsigned int format, div, framesize, master;
- dma_data = &mcbsp_data->dma_data[substream->stream];
+ dma_data = &mcbsp->dma_data[substream->stream];
dma = omap_mcbsp_dma_ch_params(mcbsp, substream->stream);
port = omap_mcbsp_dma_reg_params(mcbsp, substream->stream);
@@ -303,7 +299,7 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream,
snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data);
- if (mcbsp_data->configured) {
+ if (mcbsp->configured) {
/* McBSP already configured by another stream */
return 0;
}
@@ -312,7 +308,7 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream,
regs->xcr2 &= ~(RPHASE | XFRLEN2(0x7f) | XWDLEN2(7));
regs->rcr1 &= ~(RFRLEN1(0x7f) | RWDLEN1(7));
regs->xcr1 &= ~(XFRLEN1(0x7f) | XWDLEN1(7));
- format = mcbsp_data->fmt & SND_SOC_DAIFMT_FORMAT_MASK;
+ format = mcbsp->fmt & SND_SOC_DAIFMT_FORMAT_MASK;
wpf = channels = params_channels(params);
if (channels == 2 && (format == SND_SOC_DAIFMT_I2S ||
format == SND_SOC_DAIFMT_LEFT_J)) {
@@ -350,10 +346,10 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream,
/* In McBSP master modes, FRAME (i.e. sample rate) is generated
* by _counting_ BCLKs. Calculate frame size in BCLKs */
- master = mcbsp_data->fmt & SND_SOC_DAIFMT_MASTER_MASK;
+ master = mcbsp->fmt & SND_SOC_DAIFMT_MASTER_MASK;
if (master == SND_SOC_DAIFMT_CBS_CFS) {
- div = mcbsp_data->clk_div ? mcbsp_data->clk_div : 1;
- framesize = (mcbsp_data->in_freq / div) / params_rate(params);
+ div = mcbsp->clk_div ? mcbsp->clk_div : 1;
+ framesize = (mcbsp->in_freq / div) / params_rate(params);
if (framesize < wlen * channels) {
printk(KERN_ERR "%s: not enough bandwidth for desired rate and "
@@ -379,9 +375,9 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream,
break;
}
- omap_mcbsp_config(mcbsp, &mcbsp_data->regs);
- mcbsp_data->wlen = wlen;
- mcbsp_data->configured = 1;
+ omap_mcbsp_config(mcbsp, &mcbsp->cfg_regs);
+ mcbsp->wlen = wlen;
+ mcbsp->configured = 1;
return 0;
}
@@ -394,14 +390,13 @@ static int omap_mcbsp_dai_set_dai_fmt(struct snd_soc_dai *cpu_dai,
unsigned int fmt)
{
struct omap_mcbsp *mcbsp = snd_soc_dai_get_drvdata(cpu_dai);
- struct omap_mcbsp_data *mcbsp_data = &mcbsp->mcbsp_data;
- struct omap_mcbsp_reg_cfg *regs = &mcbsp_data->regs;
+ struct omap_mcbsp_reg_cfg *regs = &mcbsp->cfg_regs;
bool inv_fs = false;
- if (mcbsp_data->configured)
+ if (mcbsp->configured)
return 0;
- mcbsp_data->fmt = fmt;
+ mcbsp->fmt = fmt;
memset(regs, 0, sizeof(*regs));
/* Generic McBSP register settings */
regs->spcr2 |= XINTM(3) | FREE;
@@ -497,13 +492,12 @@ static int omap_mcbsp_dai_set_clkdiv(struct snd_soc_dai *cpu_dai,
int div_id, int div)
{
struct omap_mcbsp *mcbsp = snd_soc_dai_get_drvdata(cpu_dai);
- struct omap_mcbsp_data *mcbsp_data = &mcbsp->mcbsp_data;
- struct omap_mcbsp_reg_cfg *regs = &mcbsp_data->regs;
+ struct omap_mcbsp_reg_cfg *regs = &mcbsp->cfg_regs;
if (div_id != OMAP_MCBSP_CLKGDV)
return -ENODEV;
- mcbsp_data->clk_div = div;
+ mcbsp->clk_div = div;
regs->srgr1 &= ~CLKGDV(0xff);
regs->srgr1 |= CLKGDV(div - 1);
@@ -515,12 +509,11 @@ static int omap_mcbsp_dai_set_dai_sysclk(struct snd_soc_dai *cpu_dai,
int dir)
{
struct omap_mcbsp *mcbsp = snd_soc_dai_get_drvdata(cpu_dai);
- struct omap_mcbsp_data *mcbsp_data = &mcbsp->mcbsp_data;
- struct omap_mcbsp_reg_cfg *regs = &mcbsp_data->regs;
+ struct omap_mcbsp_reg_cfg *regs = &mcbsp->cfg_regs;
int err = 0;
- if (mcbsp_data->active) {
- if (freq == mcbsp_data->in_freq)
+ if (mcbsp->active) {
+ if (freq == mcbsp->in_freq)
return 0;
else
return -EBUSY;
@@ -534,7 +527,7 @@ static int omap_mcbsp_dai_set_dai_sysclk(struct snd_soc_dai *cpu_dai,
if (cpu_class_is_omap1() || cpu_dai->id != 1)
return -EINVAL;
- mcbsp_data->in_freq = freq;
+ mcbsp->in_freq = freq;
regs->srgr2 &= ~CLKSM;
regs->pcr0 &= ~SCLKME;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-23 00:22:29 +0000