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Diffstat (limited to 'sound/soc/fsl/fsl_ssi.c')
-rw-r--r--sound/soc/fsl/fsl_ssi.c227
1 files changed, 136 insertions, 91 deletions
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index bad89b0d129e..320108bebf30 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 \
@@ -203,12 +204,10 @@ struct fsl_ssi_soc_data {
};
/**
- * fsl_ssi: per-SSI private data
- *
+ * struct fsl_ssi - per-SSI private data
* @regs: Pointer to the regmap registers
* @irq: IRQ of this SSI
* @cpu_dai_drv: CPU DAI driver for this device
- *
* @dai_fmt: DAI configuration this device is currently used with
* @streams: Mask of current active streams: BIT(TX) and BIT(RX)
* @i2s_net: I2S and Network mode configurations of SCR register
@@ -216,44 +215,37 @@ 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
* @slots: Number of slots
* @regvals: Specific RX/TX register settings
- *
* @clk: Clock source to access register
* @baudclk: Clock source to generate bit and frame-sync clocks
* @baudclk_streams: Active streams that are using baudclk
- *
* @regcache_sfcsr: Cache sfcsr register value during suspend and resume
* @regcache_sacnt: Cache sacnt register value during suspend and resume
- *
* @dma_params_tx: DMA transmit parameters
* @dma_params_rx: DMA receive parameters
* @ssi_phys: physical address of the SSI registers
- *
* @fiq_params: FIQ stream filtering parameters
- *
* @card_pdev: Platform_device pointer to register a sound card for PowerPC or
* to register a CODEC platform device for AC97
* @card_name: Platform_device name to register a sound card for PowerPC or
* to register a CODEC platform device for AC97
* @card_idx: The index of SSI to register a sound card for PowerPC or
* to register a CODEC platform device for AC97
- *
* @dbg_stats: Debugging statistics
- *
* @soc: SoC specific data
* @dev: Pointer to &pdev->dev
- *
* @fifo_watermark: The FIFO watermark setting. Notifies DMA when there are
* @fifo_watermark or fewer words in TX fifo or
* @fifo_watermark or more empty words in RX fifo.
* @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;
@@ -266,6 +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;
@@ -298,6 +291,7 @@ struct fsl_ssi {
u32 dma_maxburst;
struct mutex ac97_reg_lock;
+ struct sdma_peripheral_config audio_config[2];
};
/*
@@ -361,20 +355,22 @@ static bool fsl_ssi_is_ac97(struct fsl_ssi *ssi)
SND_SOC_DAIFMT_AC97;
}
-static bool fsl_ssi_is_i2s_master(struct fsl_ssi *ssi)
+static bool fsl_ssi_is_i2s_clock_provider(struct fsl_ssi *ssi)
{
- return (ssi->dai_fmt & SND_SOC_DAIFMT_MASTER_MASK) ==
- SND_SOC_DAIFMT_CBS_CFS;
+ return (ssi->dai_fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) ==
+ SND_SOC_DAIFMT_BP_FP;
}
-static bool fsl_ssi_is_i2s_cbm_cfs(struct fsl_ssi *ssi)
+static bool fsl_ssi_is_i2s_bc_fp(struct fsl_ssi *ssi)
{
- return (ssi->dai_fmt & SND_SOC_DAIFMT_MASTER_MASK) ==
- SND_SOC_DAIFMT_CBM_CFS;
+ return (ssi->dai_fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) ==
+ SND_SOC_DAIFMT_BC_FP;
}
/**
- * Interrupt handler to gather states
+ * fsl_ssi_isr - Interrupt handler to gather states
+ * @irq: irq number
+ * @dev_id: context
*/
static irqreturn_t fsl_ssi_isr(int irq, void *dev_id)
{
@@ -395,7 +391,10 @@ static irqreturn_t fsl_ssi_isr(int irq, void *dev_id)
}
/**
- * Set SCR, SIER, STCR and SRCR registers with cached values in regvals
+ * fsl_ssi_config_enable - Set SCR, SIER, STCR and SRCR registers with
+ * cached values in regvals
+ * @ssi: SSI context
+ * @tx: direction
*
* Notes:
* 1) For offline_config SoCs, enable all necessary bits of both streams
@@ -474,7 +473,7 @@ enable_scr:
ssi->streams |= BIT(dir);
}
-/**
+/*
* Exclude bits that are used by the opposite stream
*
* When both streams are active, disabling some bits for the current stream
@@ -495,7 +494,10 @@ enable_scr:
((vals) & _ssi_xor_shared_bits(vals, avals, aactive))
/**
- * Unset SCR, SIER, STCR and SRCR registers with cached values in regvals
+ * fsl_ssi_config_disable - Unset SCR, SIER, STCR and SRCR registers
+ * with cached values in regvals
+ * @ssi: SSI context
+ * @tx: direction
*
* Notes:
* 1) For offline_config SoCs, to avoid online reconfigurations, disable all
@@ -577,7 +579,9 @@ static void fsl_ssi_tx_ac97_saccst_setup(struct fsl_ssi *ssi)
}
/**
- * Cache critical bits of SIER, SRCR, STCR and SCR to later set them safely
+ * fsl_ssi_setup_regvals - Cache critical bits of SIER, SRCR, STCR and
+ * SCR to later set them safely
+ * @ssi: SSI context
*/
static void fsl_ssi_setup_regvals(struct fsl_ssi *ssi)
{
@@ -630,8 +634,8 @@ static void fsl_ssi_setup_ac97(struct fsl_ssi *ssi)
static int fsl_ssi_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct fsl_ssi *ssi = snd_soc_dai_get_drvdata(asoc_rtd_to_cpu(rtd, 0));
+ struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
+ struct fsl_ssi *ssi = snd_soc_dai_get_drvdata(snd_soc_rtd_to_cpu(rtd, 0));
int ret;
ret = clk_prepare_enable(ssi->clk);
@@ -644,7 +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);
@@ -654,16 +658,19 @@ static int fsl_ssi_startup(struct snd_pcm_substream *substream,
static void fsl_ssi_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct fsl_ssi *ssi = snd_soc_dai_get_drvdata(asoc_rtd_to_cpu(rtd, 0));
+ struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
+ struct fsl_ssi *ssi = snd_soc_dai_get_drvdata(snd_soc_rtd_to_cpu(rtd, 0));
clk_disable_unprepare(ssi->clk);
}
/**
- * Configure Digital Audio Interface bit clock
+ * fsl_ssi_set_bclk - Configure Digital Audio Interface bit clock
+ * @substream: ASoC substream
+ * @dai: pointer to DAI
+ * @hw_params: pointers to hw_params
*
- * Note: This function can be only called when using SSI as DAI master
+ * Notes: This function can be only called when using SSI as DAI master
*
* Quick instruction for parameters:
* freq: Output BCLK frequency = samplerate * slots * slot_width
@@ -678,8 +685,9 @@ static int fsl_ssi_set_bclk(struct snd_pcm_substream *substream,
struct regmap *regs = ssi->regs;
u32 pm = 999, div2, psr, stccr, mask, afreq, factor, i;
unsigned long clkrate, baudrate, tmprate;
- unsigned int slots = params_channels(hw_params);
- unsigned int slot_width = 32;
+ unsigned int channels = params_channels(hw_params);
+ unsigned int slot_width = params_width(hw_params);
+ unsigned int slots = 2;
u64 sub, savesub = 100000;
unsigned int freq;
bool baudclk_is_used;
@@ -688,10 +696,14 @@ static int fsl_ssi_set_bclk(struct snd_pcm_substream *substream,
/* Override slots and slot_width if being specifically set... */
if (ssi->slots)
slots = ssi->slots;
- /* ...but keep 32 bits if slots is 2 -- I2S Master mode */
- if (ssi->slot_width && slots != 2)
+ if (ssi->slot_width)
slot_width = ssi->slot_width;
+ /* ...but force 32 bits for stereo audio using I2S Master Mode */
+ if (channels == 2 &&
+ (ssi->i2s_net & SSI_SCR_I2S_MODE_MASK) == SSI_SCR_I2S_MODE_MASTER)
+ slot_width = 32;
+
/* Generate bit clock based on the slot number and slot width */
freq = slots * slot_width * params_rate(hw_params);
@@ -740,7 +752,7 @@ static int fsl_ssi_set_bclk(struct snd_pcm_substream *substream,
sub *= 100000;
do_div(sub, freq);
- if (sub < savesub && !(i == 0 && psr == 0 && div2 == 0)) {
+ if (sub < savesub && !(i == 0)) {
baudrate = tmprate;
savesub = sub;
pm = i;
@@ -757,8 +769,7 @@ static int fsl_ssi_set_bclk(struct snd_pcm_substream *substream,
return -EINVAL;
}
- stccr = SSI_SxCCR_PM(pm + 1) | (div2 ? SSI_SxCCR_DIV2 : 0) |
- (psr ? SSI_SxCCR_PSR : 0);
+ stccr = SSI_SxCCR_PM(pm + 1);
mask = SSI_SxCCR_PM_MASK | SSI_SxCCR_DIV2 | SSI_SxCCR_PSR;
/* STCCR is used for RX in synchronous mode */
@@ -777,7 +788,10 @@ static int fsl_ssi_set_bclk(struct snd_pcm_substream *substream,
}
/**
- * Configure SSI based on PCM hardware parameters
+ * fsl_ssi_hw_params - Configure SSI based on PCM hardware parameters
+ * @substream: ASoC substream
+ * @hw_params: pointers to hw_params
+ * @dai: pointer to DAI
*
* Notes:
* 1) SxCCR.WL bits are critical bits that require SSI to be temporarily
@@ -793,13 +807,14 @@ 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);
u32 wl = SSI_SxCCR_WL(sample_size);
int ret;
- if (fsl_ssi_is_i2s_master(ssi)) {
+ if (fsl_ssi_is_i2s_clock_provider(ssi)) {
ret = fsl_ssi_set_bclk(substream, dai, hw_params);
if (ret)
return ret;
@@ -832,7 +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_cbm_cfs(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 */
@@ -847,16 +862,38 @@ 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;
}
static int fsl_ssi_hw_free(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct fsl_ssi *ssi = snd_soc_dai_get_drvdata(asoc_rtd_to_cpu(rtd, 0));
+ struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
+ struct fsl_ssi *ssi = snd_soc_dai_get_drvdata(snd_soc_rtd_to_cpu(rtd, 0));
- if (fsl_ssi_is_i2s_master(ssi) &&
+ if (fsl_ssi_is_i2s_clock_provider(ssi) &&
ssi->baudclk_streams & BIT(substream->stream)) {
clk_disable_unprepare(ssi->baudclk);
ssi->baudclk_streams &= ~BIT(substream->stream);
@@ -868,6 +905,7 @@ static int fsl_ssi_hw_free(struct snd_pcm_substream *substream,
static int _fsl_ssi_set_dai_fmt(struct fsl_ssi *ssi, unsigned int fmt)
{
u32 strcr = 0, scr = 0, stcr, srcr, mask;
+ unsigned int slots;
ssi->dai_fmt = fmt;
@@ -881,28 +919,29 @@ static int _fsl_ssi_set_dai_fmt(struct fsl_ssi *ssi, unsigned int fmt)
ssi->i2s_net = SSI_SCR_NET;
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
- switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
- case SND_SOC_DAIFMT_CBS_CFS:
+ switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
+ case SND_SOC_DAIFMT_BP_FP:
if (IS_ERR(ssi->baudclk)) {
dev_err(ssi->dev,
"missing baudclk for master mode\n");
return -EINVAL;
}
- /* fall through */
- case SND_SOC_DAIFMT_CBM_CFS:
+ fallthrough;
+ case SND_SOC_DAIFMT_BC_FP:
ssi->i2s_net |= SSI_SCR_I2S_MODE_MASTER;
break;
- case SND_SOC_DAIFMT_CBM_CFM:
+ case SND_SOC_DAIFMT_BC_FC:
ssi->i2s_net |= SSI_SCR_I2S_MODE_SLAVE;
break;
default:
return -EINVAL;
}
+ slots = ssi->slots ? : 2;
regmap_update_bits(ssi->regs, REG_SSI_STCCR,
- SSI_SxCCR_DC_MASK, SSI_SxCCR_DC(2));
+ SSI_SxCCR_DC_MASK, SSI_SxCCR_DC(slots));
regmap_update_bits(ssi->regs, REG_SSI_SRCCR,
- SSI_SxCCR_DC_MASK, SSI_SxCCR_DC(2));
+ SSI_SxCCR_DC_MASK, SSI_SxCCR_DC(slots));
/* Data on rising edge of bclk, frame low, 1clk before data */
strcr |= SSI_STCR_TFSI | SSI_STCR_TSCKP | SSI_STCR_TEFS;
@@ -951,17 +990,17 @@ static int _fsl_ssi_set_dai_fmt(struct fsl_ssi *ssi, unsigned int fmt)
return -EINVAL;
}
- /* DAI clock master masks */
- switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
- case SND_SOC_DAIFMT_CBS_CFS:
+ /* DAI clock provider masks */
+ switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
+ 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_CBM_CFM:
+ case SND_SOC_DAIFMT_BC_FC:
/* Input bit or frame sync clocks */
break;
- case SND_SOC_DAIFMT_CBM_CFS:
+ case SND_SOC_DAIFMT_BC_FP:
/* Input bit clock but output frame sync clock */
strcr |= SSI_STCR_TFDIR;
break;
@@ -992,7 +1031,9 @@ static int _fsl_ssi_set_dai_fmt(struct fsl_ssi *ssi, unsigned int fmt)
}
/**
- * Configure Digital Audio Interface (DAI) Format
+ * fsl_ssi_set_dai_fmt - Configure Digital Audio Interface (DAI) Format
+ * @dai: pointer to DAI
+ * @fmt: format mask
*/
static int fsl_ssi_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
{
@@ -1006,7 +1047,12 @@ static int fsl_ssi_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
}
/**
- * Set TDM slot number and slot width
+ * fsl_ssi_set_dai_tdm_slot - Set TDM slot number and slot width
+ * @dai: pointer to DAI
+ * @tx_mask: mask for TX
+ * @rx_mask: mask for RX
+ * @slots: number of slots
+ * @slot_width: number of bits per slot
*/
static int fsl_ssi_set_dai_tdm_slot(struct snd_soc_dai *dai, u32 tx_mask,
u32 rx_mask, int slots, int slot_width)
@@ -1050,7 +1096,10 @@ static int fsl_ssi_set_dai_tdm_slot(struct snd_soc_dai *dai, u32 tx_mask,
}
/**
- * Start or stop SSI and corresponding DMA transaction.
+ * fsl_ssi_trigger - Start or stop SSI and corresponding DMA transaction.
+ * @substream: ASoC substream
+ * @cmd: trigger command
+ * @dai: pointer to DAI
*
* The DMA channel is in external master start and pause mode, which
* means the SSI completely controls the flow of data.
@@ -1058,8 +1107,8 @@ static int fsl_ssi_set_dai_tdm_slot(struct snd_soc_dai *dai, u32 tx_mask,
static int fsl_ssi_trigger(struct snd_pcm_substream *substream, int cmd,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct fsl_ssi *ssi = snd_soc_dai_get_drvdata(asoc_rtd_to_cpu(rtd, 0));
+ struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
+ struct fsl_ssi *ssi = snd_soc_dai_get_drvdata(snd_soc_rtd_to_cpu(rtd, 0));
bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
switch (cmd) {
@@ -1103,6 +1152,7 @@ static int fsl_ssi_dai_probe(struct snd_soc_dai *dai)
}
static const struct snd_soc_dai_ops fsl_ssi_dai_ops = {
+ .probe = fsl_ssi_dai_probe,
.startup = fsl_ssi_startup,
.shutdown = fsl_ssi_shutdown,
.hw_params = fsl_ssi_hw_params,
@@ -1113,7 +1163,6 @@ static const struct snd_soc_dai_ops fsl_ssi_dai_ops = {
};
static struct snd_soc_dai_driver fsl_ssi_dai_template = {
- .probe = fsl_ssi_dai_probe,
.playback = {
.stream_name = "CPU-Playback",
.channels_min = 1,
@@ -1133,20 +1182,20 @@ 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 = {
.symmetric_channels = 1,
- .probe = fsl_ssi_dai_probe,
.playback = {
- .stream_name = "AC97 Playback",
+ .stream_name = "CPU AC97 Playback",
.channels_min = 2,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_48000,
.formats = SNDRV_PCM_FMTBIT_S16 | SNDRV_PCM_FMTBIT_S20,
},
.capture = {
- .stream_name = "AC97 Capture",
+ .stream_name = "CPU AC97 Capture",
.channels_min = 2,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_48000,
@@ -1234,7 +1283,8 @@ static struct snd_ac97_bus_ops fsl_ssi_ac97_ops = {
};
/**
- * Initialize SSI registers
+ * fsl_ssi_hw_init - Initialize SSI registers
+ * @ssi: SSI context
*/
static int fsl_ssi_hw_init(struct fsl_ssi *ssi)
{
@@ -1263,7 +1313,8 @@ static int fsl_ssi_hw_init(struct fsl_ssi *ssi)
}
/**
- * Clear SSI registers
+ * fsl_ssi_hw_clean - Clear SSI registers
+ * @ssi: SSI context
*/
static void fsl_ssi_hw_clean(struct fsl_ssi *ssi)
{
@@ -1280,7 +1331,8 @@ static void fsl_ssi_hw_clean(struct fsl_ssi *ssi)
regmap_update_bits(ssi->regs, REG_SSI_SCR, SSI_SCR_SSIEN, 0);
}
}
-/**
+
+/*
* Make every character in a string lower-case
*/
static void make_lowercase(char *s)
@@ -1317,7 +1369,7 @@ static int fsl_ssi_imx_probe(struct platform_device *pdev,
}
}
- /* Do not error out for slave cases that live without a baud clock */
+ /* Do not error out for consumer cases that live without a baud clock */
ssi->baudclk = devm_clk_get(dev, "baud");
if (IS_ERR(ssi->baudclk))
dev_dbg(dev, "failed to get baud clock: %ld\n",
@@ -1329,7 +1381,7 @@ 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;
}
@@ -1348,9 +1400,11 @@ 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);
- if (ret)
+ ret = imx_pcm_dma_init(pdev);
+ if (ret) {
+ dev_err_probe(dev, ret, "Failed to init PCM DMA\n");
goto error_pcm;
+ }
}
return 0;
@@ -1374,18 +1428,11 @@ static int fsl_ssi_probe_from_dt(struct fsl_ssi *ssi)
{
struct device *dev = ssi->dev;
struct device_node *np = dev->of_node;
- const struct of_device_id *of_id;
const char *p, *sprop;
const __be32 *iprop;
u32 dmas[4];
int ret;
- of_id = of_match_device(fsl_ssi_ids, dev);
- if (!of_id || !of_id->data)
- return -EINVAL;
-
- ssi->soc = of_id->data;
-
ret = of_property_match_string(np, "clock-names", "ipg");
/* Get error code if not found */
ssi->has_ipg_clk_name = ret >= 0;
@@ -1401,7 +1448,7 @@ static int fsl_ssi_probe_from_dt(struct fsl_ssi *ssi)
return -EINVAL;
}
strcpy(ssi->card_name, "ac97-codec");
- } else if (!of_find_property(np, "fsl,ssi-asynchronous", NULL)) {
+ } else if (!of_property_read_bool(np, "fsl,ssi-asynchronous")) {
/*
* In synchronous mode, STCK and STFS ports are used by RX
* as well. So the software should limit the sample rates,
@@ -1429,6 +1476,8 @@ 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
@@ -1469,6 +1518,7 @@ static int fsl_ssi_probe(struct platform_device *pdev)
return -ENOMEM;
ssi->dev = dev;
+ ssi->soc = of_device_get_match_data(&pdev->dev);
/* Probe from DT */
ret = fsl_ssi_probe_from_dt(ssi);
@@ -1485,8 +1535,7 @@ static int fsl_ssi_probe(struct platform_device *pdev)
}
ssi->cpu_dai_drv.name = dev_name(dev);
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- iomem = devm_ioremap_resource(dev, res);
+ iomem = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
if (IS_ERR(iomem))
return PTR_ERR(iomem);
ssi->ssi_phys = res->start;
@@ -1514,9 +1563,9 @@ static int fsl_ssi_probe(struct platform_device *pdev)
/* Set software limitations for synchronous mode except AC97 */
if (ssi->synchronous && !fsl_ssi_is_ac97(ssi)) {
- ssi->cpu_dai_drv.symmetric_rates = 1;
+ ssi->cpu_dai_drv.symmetric_rate = 1;
ssi->cpu_dai_drv.symmetric_channels = 1;
- ssi->cpu_dai_drv.symmetric_samplebits = 1;
+ ssi->cpu_dai_drv.symmetric_sample_bits = 1;
}
/*
@@ -1623,7 +1672,7 @@ error_ac97_ops:
return ret;
}
-static int fsl_ssi_remove(struct platform_device *pdev)
+static void fsl_ssi_remove(struct platform_device *pdev)
{
struct fsl_ssi *ssi = dev_get_drvdata(&pdev->dev);
@@ -1642,11 +1691,8 @@ static int fsl_ssi_remove(struct platform_device *pdev)
snd_soc_set_ac97_ops(NULL);
mutex_destroy(&ssi->ac97_reg_lock);
}
-
- return 0;
}
-#ifdef CONFIG_PM_SLEEP
static int fsl_ssi_suspend(struct device *dev)
{
struct fsl_ssi *ssi = dev_get_drvdata(dev);
@@ -1676,17 +1722,16 @@ static int fsl_ssi_resume(struct device *dev)
return regcache_sync(regs);
}
-#endif /* CONFIG_PM_SLEEP */
static const struct dev_pm_ops fsl_ssi_pm = {
- SET_SYSTEM_SLEEP_PM_OPS(fsl_ssi_suspend, fsl_ssi_resume)
+ SYSTEM_SLEEP_PM_OPS(fsl_ssi_suspend, fsl_ssi_resume)
};
static struct platform_driver fsl_ssi_driver = {
.driver = {
.name = "fsl-ssi-dai",
.of_match_table = fsl_ssi_ids,
- .pm = &fsl_ssi_pm,
+ .pm = pm_sleep_ptr(&fsl_ssi_pm),
},
.probe = fsl_ssi_probe,
.remove = fsl_ssi_remove,
generated by cgit (git 2.34.1) at 2025-12-28 06:26:46 +0000