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Diffstat (limited to 'sound/soc/fsl/fsl_ssi.c')
-rw-r--r--sound/soc/fsl/fsl_ssi.c59
1 files changed, 45 insertions, 14 deletions
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index 1169d1104b9e..c9e0e31d5b34 100644
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -40,6 +40,7 @@
#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
+#include <linux/dma/imx-dma.h>
#include <sound/core.h>
#include <sound/pcm.h>
@@ -92,7 +93,7 @@
*/
#define FSLSSI_AC97_DAIFMT \
(SND_SOC_DAIFMT_AC97 | \
- SND_SOC_DAIFMT_CBM_CFS | \
+ SND_SOC_DAIFMT_BC_FP | \
SND_SOC_DAIFMT_NB_NF)
#define FSLSSI_SIER_DBG_RX_FLAGS \
@@ -214,6 +215,7 @@ struct fsl_ssi_soc_data {
* @synchronous: Use synchronous mode - both of TX and RX use STCK and SFCK
* @use_dma: DMA is used or FIQ with stream filter
* @use_dual_fifo: DMA with support for dual FIFO mode
+ * @use_dyna_fifo: DMA with support for multi FIFO script
* @has_ipg_clk_name: If "ipg" is in the clock name list of device tree
* @fifo_depth: Depth of the SSI FIFOs
* @slot_width: Width of each DAI slot
@@ -243,6 +245,7 @@ struct fsl_ssi_soc_data {
* @dma_maxburst: Max number of words to transfer in one go. So far,
* this is always the same as fifo_watermark.
* @ac97_reg_lock: Mutex lock to serialize AC97 register access operations
+ * @audio_config: configure for dma multi fifo script
*/
struct fsl_ssi {
struct regmap *regs;
@@ -255,6 +258,7 @@ struct fsl_ssi {
bool synchronous;
bool use_dma;
bool use_dual_fifo;
+ bool use_dyna_fifo;
bool has_ipg_clk_name;
unsigned int fifo_depth;
unsigned int slot_width;
@@ -287,6 +291,7 @@ struct fsl_ssi {
u32 dma_maxburst;
struct mutex ac97_reg_lock;
+ struct sdma_peripheral_config audio_config[2];
};
/*
@@ -353,13 +358,13 @@ static bool fsl_ssi_is_ac97(struct fsl_ssi *ssi)
static bool fsl_ssi_is_i2s_clock_provider(struct fsl_ssi *ssi)
{
return (ssi->dai_fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) ==
- SND_SOC_DAIFMT_CBC_CFC;
+ SND_SOC_DAIFMT_BP_FP;
}
-static bool fsl_ssi_is_i2s_cbp_cfc(struct fsl_ssi *ssi)
+static bool fsl_ssi_is_i2s_bc_fp(struct fsl_ssi *ssi)
{
return (ssi->dai_fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) ==
- SND_SOC_DAIFMT_CBP_CFC;
+ SND_SOC_DAIFMT_BC_FP;
}
/**
@@ -643,7 +648,7 @@ static int fsl_ssi_startup(struct snd_pcm_substream *substream,
* task from fifo0, fifo1 would be neglected at the end of each
* period. But SSI would still access fifo1 with an invalid data.
*/
- if (ssi->use_dual_fifo)
+ if (ssi->use_dual_fifo || ssi->use_dyna_fifo)
snd_pcm_hw_constraint_step(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 2);
@@ -802,6 +807,7 @@ static int fsl_ssi_hw_params(struct snd_pcm_substream *substream,
{
bool tx2, tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
struct fsl_ssi *ssi = snd_soc_dai_get_drvdata(dai);
+ struct fsl_ssi_regvals *vals = ssi->regvals;
struct regmap *regs = ssi->regs;
unsigned int channels = params_channels(hw_params);
unsigned int sample_size = params_width(hw_params);
@@ -841,7 +847,7 @@ static int fsl_ssi_hw_params(struct snd_pcm_substream *substream,
u8 i2s_net = ssi->i2s_net;
/* Normal + Network mode to send 16-bit data in 32-bit frames */
- if (fsl_ssi_is_i2s_cbp_cfc(ssi) && sample_size == 16)
+ if (fsl_ssi_is_i2s_bc_fp(ssi) && sample_size == 16)
i2s_net = SSI_SCR_I2S_MODE_NORMAL | SSI_SCR_NET;
/* Use Normal mode to send mono data at 1st slot of 2 slots */
@@ -856,6 +862,28 @@ static int fsl_ssi_hw_params(struct snd_pcm_substream *substream,
tx2 = tx || ssi->synchronous;
regmap_update_bits(regs, REG_SSI_SxCCR(tx2), SSI_SxCCR_WL_MASK, wl);
+ if (ssi->use_dyna_fifo) {
+ if (channels == 1) {
+ ssi->audio_config[0].n_fifos_dst = 1;
+ ssi->audio_config[1].n_fifos_src = 1;
+ vals[RX].srcr &= ~SSI_SRCR_RFEN1;
+ vals[TX].stcr &= ~SSI_STCR_TFEN1;
+ vals[RX].scr &= ~SSI_SCR_TCH_EN;
+ vals[TX].scr &= ~SSI_SCR_TCH_EN;
+ } else {
+ ssi->audio_config[0].n_fifos_dst = 2;
+ ssi->audio_config[1].n_fifos_src = 2;
+ vals[RX].srcr |= SSI_SRCR_RFEN1;
+ vals[TX].stcr |= SSI_STCR_TFEN1;
+ vals[RX].scr |= SSI_SCR_TCH_EN;
+ vals[TX].scr |= SSI_SCR_TCH_EN;
+ }
+ ssi->dma_params_tx.peripheral_config = &ssi->audio_config[0];
+ ssi->dma_params_tx.peripheral_size = sizeof(ssi->audio_config[0]);
+ ssi->dma_params_rx.peripheral_config = &ssi->audio_config[1];
+ ssi->dma_params_rx.peripheral_size = sizeof(ssi->audio_config[1]);
+ }
+
return 0;
}
@@ -892,17 +920,17 @@ static int _fsl_ssi_set_dai_fmt(struct fsl_ssi *ssi, unsigned int fmt)
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
- case SND_SOC_DAIFMT_CBC_CFC:
+ case SND_SOC_DAIFMT_BP_FP:
if (IS_ERR(ssi->baudclk)) {
dev_err(ssi->dev,
"missing baudclk for master mode\n");
return -EINVAL;
}
fallthrough;
- case SND_SOC_DAIFMT_CBP_CFC:
+ case SND_SOC_DAIFMT_BC_FP:
ssi->i2s_net |= SSI_SCR_I2S_MODE_MASTER;
break;
- case SND_SOC_DAIFMT_CBP_CFP:
+ case SND_SOC_DAIFMT_BC_FC:
ssi->i2s_net |= SSI_SCR_I2S_MODE_SLAVE;
break;
default:
@@ -964,15 +992,15 @@ static int _fsl_ssi_set_dai_fmt(struct fsl_ssi *ssi, unsigned int fmt)
/* DAI clock provider masks */
switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
- case SND_SOC_DAIFMT_CBC_CFC:
+ case SND_SOC_DAIFMT_BP_FP:
/* Output bit and frame sync clocks */
strcr |= SSI_STCR_TFDIR | SSI_STCR_TXDIR;
scr |= SSI_SCR_SYS_CLK_EN;
break;
- case SND_SOC_DAIFMT_CBP_CFP:
+ case SND_SOC_DAIFMT_BC_FC:
/* Input bit or frame sync clocks */
break;
- case SND_SOC_DAIFMT_CBP_CFC:
+ case SND_SOC_DAIFMT_BC_FP:
/* Input bit clock but output frame sync clock */
strcr |= SSI_STCR_TFDIR;
break;
@@ -1154,6 +1182,7 @@ static struct snd_soc_dai_driver fsl_ssi_dai_template = {
static const struct snd_soc_component_driver fsl_ssi_component = {
.name = "fsl-ssi",
+ .legacy_dai_naming = 1,
};
static struct snd_soc_dai_driver fsl_ssi_ac97_dai = {
@@ -1353,7 +1382,7 @@ static int fsl_ssi_imx_probe(struct platform_device *pdev,
ssi->dma_params_rx.addr = ssi->ssi_phys + REG_SSI_SRX0;
/* Use even numbers to avoid channel swap due to SDMA script design */
- if (ssi->use_dual_fifo) {
+ if (ssi->use_dual_fifo || ssi->use_dyna_fifo) {
ssi->dma_params_tx.maxburst &= ~0x1;
ssi->dma_params_rx.maxburst &= ~0x1;
}
@@ -1372,7 +1401,7 @@ static int fsl_ssi_imx_probe(struct platform_device *pdev,
if (ret)
goto error_pcm;
} else {
- ret = imx_pcm_dma_init(pdev, IMX_SSI_DMABUF_SIZE);
+ ret = imx_pcm_dma_init(pdev);
if (ret)
goto error_pcm;
}
@@ -1446,6 +1475,8 @@ static int fsl_ssi_probe_from_dt(struct fsl_ssi *ssi)
if (ssi->use_dma && !ret && dmas[2] == IMX_DMATYPE_SSI_DUAL)
ssi->use_dual_fifo = true;
+ if (ssi->use_dma && !ret && dmas[2] == IMX_DMATYPE_MULTI_SAI)
+ ssi->use_dyna_fifo = true;
/*
* Backward compatible for older bindings by manually triggering the
* machine driver's probe(). Use /compatible property, including the
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.