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-rw-r--r--sound/soc/davinci/Kconfig3
-rw-r--r--sound/soc/davinci/davinci-mcasp.c104
-rw-r--r--sound/soc/davinci/edma-pcm.c2
3 files changed, 83 insertions, 26 deletions
diff --git a/sound/soc/davinci/Kconfig b/sound/soc/davinci/Kconfig
index d69510c53239..8e948c63f3d9 100644
--- a/sound/soc/davinci/Kconfig
+++ b/sound/soc/davinci/Kconfig
@@ -63,7 +63,8 @@ config SND_DM365_AIC3X_CODEC
Say Y if you want to add support for AIC3101 audio codec
config SND_DM365_VOICE_CODEC
- bool "Voice Codec - CQ93VC"
+ tristate "Voice Codec - CQ93VC"
+ depends on SND_DAVINCI_SOC
select MFD_DAVINCI_VOICECODEC
select SND_DAVINCI_SOC_VCIF
select SND_SOC_CQ0093VC
diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c
index c28508da34cf..0eed9b1b24e1 100644
--- a/sound/soc/davinci/davinci-mcasp.c
+++ b/sound/soc/davinci/davinci-mcasp.c
@@ -42,14 +42,26 @@
#define MCASP_MAX_AFIFO_DEPTH 64
+static u32 context_regs[] = {
+ DAVINCI_MCASP_TXFMCTL_REG,
+ DAVINCI_MCASP_RXFMCTL_REG,
+ DAVINCI_MCASP_TXFMT_REG,
+ DAVINCI_MCASP_RXFMT_REG,
+ DAVINCI_MCASP_ACLKXCTL_REG,
+ DAVINCI_MCASP_ACLKRCTL_REG,
+ DAVINCI_MCASP_AHCLKXCTL_REG,
+ DAVINCI_MCASP_AHCLKRCTL_REG,
+ DAVINCI_MCASP_PDIR_REG,
+ DAVINCI_MCASP_RXMASK_REG,
+ DAVINCI_MCASP_TXMASK_REG,
+ DAVINCI_MCASP_RXTDM_REG,
+ DAVINCI_MCASP_TXTDM_REG,
+};
+
struct davinci_mcasp_context {
- u32 txfmtctl;
- u32 rxfmtctl;
- u32 txfmt;
- u32 rxfmt;
- u32 aclkxctl;
- u32 aclkrctl;
- u32 pdir;
+ u32 config_regs[ARRAY_SIZE(context_regs)];
+ u32 afifo_regs[2]; /* for read/write fifo control registers */
+ u32 *xrsr_regs; /* for serializer configuration */
};
struct davinci_mcasp {
@@ -403,7 +415,8 @@ out:
return ret;
}
-static int davinci_mcasp_set_clkdiv(struct snd_soc_dai *dai, int div_id, int div)
+static int __davinci_mcasp_set_clkdiv(struct snd_soc_dai *dai, int div_id,
+ int div, bool explicit)
{
struct davinci_mcasp *mcasp = snd_soc_dai_get_drvdata(dai);
@@ -420,7 +433,8 @@ static int davinci_mcasp_set_clkdiv(struct snd_soc_dai *dai, int div_id, int div
ACLKXDIV(div - 1), ACLKXDIV_MASK);
mcasp_mod_bits(mcasp, DAVINCI_MCASP_ACLKRCTL_REG,
ACLKRDIV(div - 1), ACLKRDIV_MASK);
- mcasp->bclk_div = div;
+ if (explicit)
+ mcasp->bclk_div = div;
break;
case 2: /* BCLK/LRCLK ratio */
@@ -434,6 +448,12 @@ static int davinci_mcasp_set_clkdiv(struct snd_soc_dai *dai, int div_id, int div
return 0;
}
+static int davinci_mcasp_set_clkdiv(struct snd_soc_dai *dai, int div_id,
+ int div)
+{
+ return __davinci_mcasp_set_clkdiv(dai, div_id, div, 1);
+}
+
static int davinci_mcasp_set_sysclk(struct snd_soc_dai *dai, int clk_id,
unsigned int freq, int dir)
{
@@ -459,8 +479,17 @@ static int davinci_config_channel_size(struct davinci_mcasp *mcasp,
{
u32 fmt;
u32 tx_rotate = (word_length / 4) & 0x7;
- u32 rx_rotate = (32 - word_length) / 4;
u32 mask = (1ULL << word_length) - 1;
+ /*
+ * For captured data we should not rotate, inversion and masking is
+ * enoguh to get the data to the right position:
+ * Format data from bus after reverse (XRBUF)
+ * S16_LE: |LSB|MSB|xxx|xxx| |xxx|xxx|MSB|LSB|
+ * S24_3LE: |LSB|DAT|MSB|xxx| |xxx|MSB|DAT|LSB|
+ * S24_LE: |LSB|DAT|MSB|xxx| |xxx|MSB|DAT|LSB|
+ * S32_LE: |LSB|DAT|DAT|MSB| |MSB|DAT|DAT|LSB|
+ */
+ u32 rx_rotate = 0;
/*
* if s BCLK-to-LRCLK ratio has been configured via the set_clkdiv()
@@ -738,7 +767,7 @@ static int davinci_mcasp_hw_params(struct snd_pcm_substream *substream,
"Inaccurate BCLK: %u Hz / %u != %u Hz\n",
mcasp->sysclk_freq, div, bclk_freq);
}
- davinci_mcasp_set_clkdiv(cpu_dai, 1, div);
+ __davinci_mcasp_set_clkdiv(cpu_dai, 1, div, 0);
}
ret = mcasp_common_hw_param(mcasp, substream->stream,
@@ -857,14 +886,24 @@ static int davinci_mcasp_suspend(struct snd_soc_dai *dai)
{
struct davinci_mcasp *mcasp = snd_soc_dai_get_drvdata(dai);
struct davinci_mcasp_context *context = &mcasp->context;
+ u32 reg;
+ int i;
- context->txfmtctl = mcasp_get_reg(mcasp, DAVINCI_MCASP_TXFMCTL_REG);
- context->rxfmtctl = mcasp_get_reg(mcasp, DAVINCI_MCASP_RXFMCTL_REG);
- context->txfmt = mcasp_get_reg(mcasp, DAVINCI_MCASP_TXFMT_REG);
- context->rxfmt = mcasp_get_reg(mcasp, DAVINCI_MCASP_RXFMT_REG);
- context->aclkxctl = mcasp_get_reg(mcasp, DAVINCI_MCASP_ACLKXCTL_REG);
- context->aclkrctl = mcasp_get_reg(mcasp, DAVINCI_MCASP_ACLKRCTL_REG);
- context->pdir = mcasp_get_reg(mcasp, DAVINCI_MCASP_PDIR_REG);
+ for (i = 0; i < ARRAY_SIZE(context_regs); i++)
+ context->config_regs[i] = mcasp_get_reg(mcasp, context_regs[i]);
+
+ if (mcasp->txnumevt) {
+ reg = mcasp->fifo_base + MCASP_WFIFOCTL_OFFSET;
+ context->afifo_regs[0] = mcasp_get_reg(mcasp, reg);
+ }
+ if (mcasp->rxnumevt) {
+ reg = mcasp->fifo_base + MCASP_RFIFOCTL_OFFSET;
+ context->afifo_regs[1] = mcasp_get_reg(mcasp, reg);
+ }
+
+ for (i = 0; i < mcasp->num_serializer; i++)
+ context->xrsr_regs[i] = mcasp_get_reg(mcasp,
+ DAVINCI_MCASP_XRSRCTL_REG(i));
return 0;
}
@@ -873,14 +912,24 @@ static int davinci_mcasp_resume(struct snd_soc_dai *dai)
{
struct davinci_mcasp *mcasp = snd_soc_dai_get_drvdata(dai);
struct davinci_mcasp_context *context = &mcasp->context;
+ u32 reg;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(context_regs); i++)
+ mcasp_set_reg(mcasp, context_regs[i], context->config_regs[i]);
+
+ if (mcasp->txnumevt) {
+ reg = mcasp->fifo_base + MCASP_WFIFOCTL_OFFSET;
+ mcasp_set_reg(mcasp, reg, context->afifo_regs[0]);
+ }
+ if (mcasp->rxnumevt) {
+ reg = mcasp->fifo_base + MCASP_RFIFOCTL_OFFSET;
+ mcasp_set_reg(mcasp, reg, context->afifo_regs[1]);
+ }
- mcasp_set_reg(mcasp, DAVINCI_MCASP_TXFMCTL_REG, context->txfmtctl);
- mcasp_set_reg(mcasp, DAVINCI_MCASP_RXFMCTL_REG, context->rxfmtctl);
- mcasp_set_reg(mcasp, DAVINCI_MCASP_TXFMT_REG, context->txfmt);
- mcasp_set_reg(mcasp, DAVINCI_MCASP_RXFMT_REG, context->rxfmt);
- mcasp_set_reg(mcasp, DAVINCI_MCASP_ACLKXCTL_REG, context->aclkxctl);
- mcasp_set_reg(mcasp, DAVINCI_MCASP_ACLKRCTL_REG, context->aclkrctl);
- mcasp_set_reg(mcasp, DAVINCI_MCASP_PDIR_REG, context->pdir);
+ for (i = 0; i < mcasp->num_serializer; i++)
+ mcasp_set_reg(mcasp, DAVINCI_MCASP_XRSRCTL_REG(i),
+ context->xrsr_regs[i]);
return 0;
}
@@ -1199,6 +1248,11 @@ static int davinci_mcasp_probe(struct platform_device *pdev)
mcasp->op_mode = pdata->op_mode;
mcasp->tdm_slots = pdata->tdm_slots;
mcasp->num_serializer = pdata->num_serializer;
+#ifdef CONFIG_PM_SLEEP
+ mcasp->context.xrsr_regs = devm_kzalloc(&pdev->dev,
+ sizeof(u32) * mcasp->num_serializer,
+ GFP_KERNEL);
+#endif
mcasp->serial_dir = pdata->serial_dir;
mcasp->version = pdata->version;
mcasp->txnumevt = pdata->txnumevt;
diff --git a/sound/soc/davinci/edma-pcm.c b/sound/soc/davinci/edma-pcm.c
index 605e643133db..59e588abe54b 100644
--- a/sound/soc/davinci/edma-pcm.c
+++ b/sound/soc/davinci/edma-pcm.c
@@ -25,6 +25,8 @@
#include <sound/dmaengine_pcm.h>
#include <linux/edma.h>
+#include "edma-pcm.h"
+
static const struct snd_pcm_hardware edma_pcm_hardware = {
.info = SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_MMAP_VALID |