summaryrefslogtreecommitdiffstats
path: root/sound
diff options
context:
space:
mode:
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/ab8500-codec.c79
-rw-r--r--sound/soc/codecs/ab8500-codec.h42
-rw-r--r--sound/soc/ux500/mop500_ab8500.c36
-rw-r--r--sound/soc/ux500/ux500_msp_dai.c11
-rw-r--r--sound/soc/ux500/ux500_msp_dai.h4
-rw-r--r--sound/soc/ux500/ux500_msp_i2s.c88
-rw-r--r--sound/soc/ux500/ux500_msp_i2s.h74
-rw-r--r--sound/soc/ux500/ux500_pcm.c30
8 files changed, 159 insertions, 205 deletions
diff --git a/sound/soc/codecs/ab8500-codec.c b/sound/soc/codecs/ab8500-codec.c
index 3126cac7b7c..b8ba0adacfc 100644
--- a/sound/soc/codecs/ab8500-codec.c
+++ b/sound/soc/codecs/ab8500-codec.c
@@ -2236,7 +2236,7 @@ static int ab8500_codec_set_dai_tdm_slot(struct snd_soc_dai *dai,
int slots, int slot_width)
{
struct snd_soc_codec *codec = dai->codec;
- unsigned int val, mask, slots_active;
+ unsigned int val, mask, slot, slots_active;
mask = BIT(AB8500_DIGIFCONF2_IF0WL0) |
BIT(AB8500_DIGIFCONF2_IF0WL1);
@@ -2292,27 +2292,34 @@ static int ab8500_codec_set_dai_tdm_slot(struct snd_soc_dai *dai,
snd_soc_update_bits(codec, AB8500_DIGIFCONF1, mask, val);
/* Setup TDM DA according to active tx slots */
+
+ if (tx_mask & ~0xff)
+ return -EINVAL;
+
mask = AB8500_DASLOTCONFX_SLTODAX_MASK;
+ tx_mask = tx_mask << AB8500_DA_DATA0_OFFSET;
slots_active = hweight32(tx_mask);
+
dev_dbg(dai->codec->dev, "%s: Slots, active, TX: %d\n", __func__,
slots_active);
+
switch (slots_active) {
case 0:
break;
case 1:
- /* Slot 9 -> DA_IN1 & DA_IN3 */
- snd_soc_update_bits(codec, AB8500_DASLOTCONF1, mask, 11);
- snd_soc_update_bits(codec, AB8500_DASLOTCONF3, mask, 11);
- snd_soc_update_bits(codec, AB8500_DASLOTCONF2, mask, 11);
- snd_soc_update_bits(codec, AB8500_DASLOTCONF4, mask, 11);
+ slot = find_first_bit((unsigned long *)&tx_mask, 32);
+ snd_soc_update_bits(codec, AB8500_DASLOTCONF1, mask, slot);
+ snd_soc_update_bits(codec, AB8500_DASLOTCONF3, mask, slot);
+ snd_soc_update_bits(codec, AB8500_DASLOTCONF2, mask, slot);
+ snd_soc_update_bits(codec, AB8500_DASLOTCONF4, mask, slot);
break;
case 2:
- /* Slot 9 -> DA_IN1 & DA_IN3, Slot 11 -> DA_IN2 & DA_IN4 */
- snd_soc_update_bits(codec, AB8500_DASLOTCONF1, mask, 9);
- snd_soc_update_bits(codec, AB8500_DASLOTCONF3, mask, 9);
- snd_soc_update_bits(codec, AB8500_DASLOTCONF2, mask, 11);
- snd_soc_update_bits(codec, AB8500_DASLOTCONF4, mask, 11);
-
+ slot = find_first_bit((unsigned long *)&tx_mask, 32);
+ snd_soc_update_bits(codec, AB8500_DASLOTCONF1, mask, slot);
+ snd_soc_update_bits(codec, AB8500_DASLOTCONF3, mask, slot);
+ slot = find_next_bit((unsigned long *)&tx_mask, 32, slot + 1);
+ snd_soc_update_bits(codec, AB8500_DASLOTCONF2, mask, slot);
+ snd_soc_update_bits(codec, AB8500_DASLOTCONF4, mask, slot);
break;
case 8:
dev_dbg(dai->codec->dev,
@@ -2327,25 +2334,36 @@ static int ab8500_codec_set_dai_tdm_slot(struct snd_soc_dai *dai,
}
/* Setup TDM AD according to active RX-slots */
+
+ if (rx_mask & ~0xff)
+ return -EINVAL;
+
+ rx_mask = rx_mask << AB8500_AD_DATA0_OFFSET;
slots_active = hweight32(rx_mask);
+
dev_dbg(dai->codec->dev, "%s: Slots, active, RX: %d\n", __func__,
slots_active);
+
switch (slots_active) {
case 0:
break;
case 1:
- /* AD_OUT3 -> slot 0 & 1 */
- snd_soc_update_bits(codec, AB8500_ADSLOTSEL1, AB8500_MASK_ALL,
- AB8500_ADSLOTSELX_AD_OUT3_TO_SLOT_EVEN |
- AB8500_ADSLOTSELX_AD_OUT3_TO_SLOT_ODD);
+ slot = find_first_bit((unsigned long *)&rx_mask, 32);
+ snd_soc_update_bits(codec, AB8500_ADSLOTSEL(slot),
+ AB8500_MASK_SLOT(slot),
+ AB8500_ADSLOTSELX_AD_OUT_TO_SLOT(AB8500_AD_OUT3, slot));
break;
case 2:
- /* AD_OUT3 -> slot 0, AD_OUT2 -> slot 1 */
+ slot = find_first_bit((unsigned long *)&rx_mask, 32);
+ snd_soc_update_bits(codec,
+ AB8500_ADSLOTSEL(slot),
+ AB8500_MASK_SLOT(slot),
+ AB8500_ADSLOTSELX_AD_OUT_TO_SLOT(AB8500_AD_OUT3, slot));
+ slot = find_next_bit((unsigned long *)&rx_mask, 32, slot + 1);
snd_soc_update_bits(codec,
- AB8500_ADSLOTSEL1,
- AB8500_MASK_ALL,
- AB8500_ADSLOTSELX_AD_OUT3_TO_SLOT_EVEN |
- AB8500_ADSLOTSELX_AD_OUT2_TO_SLOT_ODD);
+ AB8500_ADSLOTSEL(slot),
+ AB8500_MASK_SLOT(slot),
+ AB8500_ADSLOTSELX_AD_OUT_TO_SLOT(AB8500_AD_OUT2, slot));
break;
case 8:
dev_dbg(dai->codec->dev,
@@ -2362,6 +2380,11 @@ static int ab8500_codec_set_dai_tdm_slot(struct snd_soc_dai *dai,
return 0;
}
+static const struct snd_soc_dai_ops ab8500_codec_ops = {
+ .set_fmt = ab8500_codec_set_dai_fmt,
+ .set_tdm_slot = ab8500_codec_set_dai_tdm_slot,
+};
+
static struct snd_soc_dai_driver ab8500_codec_dai[] = {
{
.name = "ab8500-codec-dai.0",
@@ -2373,12 +2396,7 @@ static struct snd_soc_dai_driver ab8500_codec_dai[] = {
.rates = AB8500_SUPPORTED_RATE,
.formats = AB8500_SUPPORTED_FMT,
},
- .ops = (struct snd_soc_dai_ops[]) {
- {
- .set_tdm_slot = ab8500_codec_set_dai_tdm_slot,
- .set_fmt = ab8500_codec_set_dai_fmt,
- }
- },
+ .ops = &ab8500_codec_ops,
.symmetric_rates = 1
},
{
@@ -2391,12 +2409,7 @@ static struct snd_soc_dai_driver ab8500_codec_dai[] = {
.rates = AB8500_SUPPORTED_RATE,
.formats = AB8500_SUPPORTED_FMT,
},
- .ops = (struct snd_soc_dai_ops[]) {
- {
- .set_tdm_slot = ab8500_codec_set_dai_tdm_slot,
- .set_fmt = ab8500_codec_set_dai_fmt,
- }
- },
+ .ops = &ab8500_codec_ops,
.symmetric_rates = 1
}
};
diff --git a/sound/soc/codecs/ab8500-codec.h b/sound/soc/codecs/ab8500-codec.h
index 306d0bc8455..e2e54425d25 100644
--- a/sound/soc/codecs/ab8500-codec.h
+++ b/sound/soc/codecs/ab8500-codec.h
@@ -24,6 +24,13 @@
#define AB8500_SUPPORTED_RATE (SNDRV_PCM_RATE_48000)
#define AB8500_SUPPORTED_FMT (SNDRV_PCM_FMTBIT_S16_LE)
+/* AB8500 interface slot offset definitions */
+
+#define AB8500_AD_DATA0_OFFSET 0
+#define AB8500_DA_DATA0_OFFSET 8
+#define AB8500_AD_DATA1_OFFSET 16
+#define AB8500_DA_DATA1_OFFSET 24
+
/* AB8500 audio bank (0x0d) register definitions */
#define AB8500_POWERUP 0x00
@@ -73,6 +80,7 @@
#define AB8500_ADSLOTSEL14 0x2C
#define AB8500_ADSLOTSEL15 0x2D
#define AB8500_ADSLOTSEL16 0x2E
+#define AB8500_ADSLOTSEL(slot) (AB8500_ADSLOTSEL1 + (slot >> 1))
#define AB8500_ADSLOTHIZCTRL1 0x2F
#define AB8500_ADSLOTHIZCTRL2 0x30
#define AB8500_ADSLOTHIZCTRL3 0x31
@@ -144,6 +152,7 @@
#define AB8500_CACHEREGNUM (AB8500_LAST_REG + 1)
#define AB8500_MASK_ALL 0xFF
+#define AB8500_MASK_SLOT(slot) ((slot & 1) ? 0xF0 : 0x0F)
#define AB8500_MASK_NONE 0x00
/* AB8500_POWERUP */
@@ -347,28 +356,21 @@
#define AB8500_DIGIFCONF4_IF1WL0 0
/* AB8500_ADSLOTSELX */
-#define AB8500_ADSLOTSELX_AD_OUT1_TO_SLOT_ODD 0x00
-#define AB8500_ADSLOTSELX_AD_OUT2_TO_SLOT_ODD 0x10
-#define AB8500_ADSLOTSELX_AD_OUT3_TO_SLOT_ODD 0x20
-#define AB8500_ADSLOTSELX_AD_OUT4_TO_SLOT_ODD 0x30
-#define AB8500_ADSLOTSELX_AD_OUT5_TO_SLOT_ODD 0x40
-#define AB8500_ADSLOTSELX_AD_OUT6_TO_SLOT_ODD 0x50
-#define AB8500_ADSLOTSELX_AD_OUT7_TO_SLOT_ODD 0x60
-#define AB8500_ADSLOTSELX_AD_OUT8_TO_SLOT_ODD 0x70
-#define AB8500_ADSLOTSELX_ZEROES_TO_SLOT_ODD 0x80
-#define AB8500_ADSLOTSELX_TRISTATE_TO_SLOT_ODD 0xF0
-#define AB8500_ADSLOTSELX_AD_OUT1_TO_SLOT_EVEN 0x00
-#define AB8500_ADSLOTSELX_AD_OUT2_TO_SLOT_EVEN 0x01
-#define AB8500_ADSLOTSELX_AD_OUT3_TO_SLOT_EVEN 0x02
-#define AB8500_ADSLOTSELX_AD_OUT4_TO_SLOT_EVEN 0x03
-#define AB8500_ADSLOTSELX_AD_OUT5_TO_SLOT_EVEN 0x04
-#define AB8500_ADSLOTSELX_AD_OUT6_TO_SLOT_EVEN 0x05
-#define AB8500_ADSLOTSELX_AD_OUT7_TO_SLOT_EVEN 0x06
-#define AB8500_ADSLOTSELX_AD_OUT8_TO_SLOT_EVEN 0x07
-#define AB8500_ADSLOTSELX_ZEROES_TO_SLOT_EVEN 0x08
-#define AB8500_ADSLOTSELX_TRISTATE_TO_SLOT_EVEN 0x0F
+#define AB8500_AD_OUT1 0x0
+#define AB8500_AD_OUT2 0x1
+#define AB8500_AD_OUT3 0x2
+#define AB8500_AD_OUT4 0x3
+#define AB8500_AD_OUT5 0x4
+#define AB8500_AD_OUT6 0x5
+#define AB8500_AD_OUT7 0x6
+#define AB8500_AD_OUT8 0x7
+#define AB8500_ZEROES 0x8
+#define AB8500_TRISTATE 0xF
#define AB8500_ADSLOTSELX_EVEN_SHIFT 0
#define AB8500_ADSLOTSELX_ODD_SHIFT 4
+#define AB8500_ADSLOTSELX_AD_OUT_TO_SLOT(out, slot) \
+ ((out) << (((slot) & 1) ? \
+ AB8500_ADSLOTSELX_ODD_SHIFT : AB8500_ADSLOTSELX_EVEN_SHIFT))
/* AB8500_ADSLOTHIZCTRL1 */
/* AB8500_ADSLOTHIZCTRL2 */
diff --git a/sound/soc/ux500/mop500_ab8500.c b/sound/soc/ux500/mop500_ab8500.c
index 884a36224fb..7e923ecf890 100644
--- a/sound/soc/ux500/mop500_ab8500.c
+++ b/sound/soc/ux500/mop500_ab8500.c
@@ -16,6 +16,7 @@
#include <linux/device.h>
#include <linux/io.h>
#include <linux/clk.h>
+#include <linux/mutex.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
@@ -24,6 +25,7 @@
#include "ux500_pcm.h"
#include "ux500_msp_dai.h"
+#include "mop500_ab8500.h"
#include "../codecs/ab8500-codec.h"
#define TX_SLOT_MONO 0x0008
@@ -43,6 +45,12 @@
static unsigned int tx_slots = DEF_TX_SLOTS;
static unsigned int rx_slots = DEF_RX_SLOTS;
+/* Configuration consistency parameters */
+static DEFINE_MUTEX(mop500_ab8500_params_lock);
+static unsigned long mop500_ab8500_usage;
+static int mop500_ab8500_rate;
+static int mop500_ab8500_channels;
+
/* Clocks */
static const char * const enum_mclk[] = {
"SYSCLK",
@@ -230,6 +238,21 @@ static int mop500_ab8500_hw_params(struct snd_pcm_substream *substream,
substream->name,
substream->number);
+ /* Ensure configuration consistency between DAIs */
+ mutex_lock(&mop500_ab8500_params_lock);
+ if (mop500_ab8500_usage) {
+ if (mop500_ab8500_rate != params_rate(params) ||
+ mop500_ab8500_channels != params_channels(params)) {
+ mutex_unlock(&mop500_ab8500_params_lock);
+ return -EBUSY;
+ }
+ } else {
+ mop500_ab8500_rate = params_rate(params);
+ mop500_ab8500_channels = params_channels(params);
+ }
+ __set_bit(cpu_dai->id, &mop500_ab8500_usage);
+ mutex_unlock(&mop500_ab8500_params_lock);
+
channels = params_channels(params);
switch (params_format(params)) {
@@ -328,9 +351,22 @@ static int mop500_ab8500_hw_params(struct snd_pcm_substream *substream,
return 0;
}
+static int mop500_ab8500_hw_free(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+
+ mutex_lock(&mop500_ab8500_params_lock);
+ __clear_bit(cpu_dai->id, &mop500_ab8500_usage);
+ mutex_unlock(&mop500_ab8500_params_lock);
+
+ return 0;
+}
+
struct snd_soc_ops mop500_ab8500_ops[] = {
{
.hw_params = mop500_ab8500_hw_params,
+ .hw_free = mop500_ab8500_hw_free,
.startup = mop500_ab8500_startup,
.shutdown = mop500_ab8500_shutdown,
}
diff --git a/sound/soc/ux500/ux500_msp_dai.c b/sound/soc/ux500/ux500_msp_dai.c
index 7d5fc132852..c6fb5cce980 100644
--- a/sound/soc/ux500/ux500_msp_dai.c
+++ b/sound/soc/ux500/ux500_msp_dai.c
@@ -658,14 +658,11 @@ static int ux500_msp_dai_probe(struct snd_soc_dai *dai)
{
struct ux500_msp_i2s_drvdata *drvdata = dev_get_drvdata(dai->dev);
- drvdata->playback_dma_data.dma_cfg = drvdata->msp->dma_cfg_tx;
- drvdata->capture_dma_data.dma_cfg = drvdata->msp->dma_cfg_rx;
+ dai->playback_dma_data = &drvdata->msp->playback_dma_data;
+ dai->capture_dma_data = &drvdata->msp->capture_dma_data;
- dai->playback_dma_data = &drvdata->playback_dma_data;
- dai->capture_dma_data = &drvdata->capture_dma_data;
-
- drvdata->playback_dma_data.data_size = drvdata->slot_width;
- drvdata->capture_dma_data.data_size = drvdata->slot_width;
+ drvdata->msp->playback_dma_data.data_size = drvdata->slot_width;
+ drvdata->msp->capture_dma_data.data_size = drvdata->slot_width;
return 0;
}
diff --git a/sound/soc/ux500/ux500_msp_dai.h b/sound/soc/ux500/ux500_msp_dai.h
index f53104359f1..312ae535e35 100644
--- a/sound/soc/ux500/ux500_msp_dai.h
+++ b/sound/soc/ux500/ux500_msp_dai.h
@@ -51,15 +51,11 @@ enum ux500_msp_clock_id {
struct ux500_msp_i2s_drvdata {
struct ux500_msp *msp;
struct regulator *reg_vape;
- struct ux500_msp_dma_params playback_dma_data;
- struct ux500_msp_dma_params capture_dma_data;
unsigned int fmt;
unsigned int tx_mask;
unsigned int rx_mask;
int slots;
int slot_width;
- u8 configured;
- int data_delay;
/* Clocks */
unsigned int master_clk;
diff --git a/sound/soc/ux500/ux500_msp_i2s.c b/sound/soc/ux500/ux500_msp_i2s.c
index f2db6c90a9e..1ca8b08ae99 100644
--- a/sound/soc/ux500/ux500_msp_i2s.c
+++ b/sound/soc/ux500/ux500_msp_i2s.c
@@ -15,7 +15,6 @@
#include <linux/module.h>
#include <linux/platform_device.h>
-#include <linux/pinctrl/consumer.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/io.h>
@@ -26,9 +25,6 @@
#include "ux500_msp_i2s.h"
-/* MSP1/3 Tx/Rx usage protection */
-static DEFINE_SPINLOCK(msp_rxtx_lock);
-
/* Protocol desciptors */
static const struct msp_protdesc prot_descs[] = {
{ /* I2S */
@@ -356,24 +352,8 @@ static int configure_multichannel(struct ux500_msp *msp,
static int enable_msp(struct ux500_msp *msp, struct ux500_msp_config *config)
{
- int status = 0, retval = 0;
+ int status = 0;
u32 reg_val_DMACR, reg_val_GCR;
- unsigned long flags;
-
- /* Check msp state whether in RUN or CONFIGURED Mode */
- if (msp->msp_state == MSP_STATE_IDLE) {
- spin_lock_irqsave(&msp_rxtx_lock, flags);
- if (msp->pinctrl_rxtx_ref == 0 &&
- !(IS_ERR(msp->pinctrl_p) || IS_ERR(msp->pinctrl_def))) {
- retval = pinctrl_select_state(msp->pinctrl_p,
- msp->pinctrl_def);
- if (retval)
- pr_err("could not set MSP defstate\n");
- }
- if (!retval)
- msp->pinctrl_rxtx_ref++;
- spin_unlock_irqrestore(&msp_rxtx_lock, flags);
- }
/* Configure msp with protocol dependent settings */
configure_protocol(msp, config);
@@ -387,12 +367,14 @@ static int enable_msp(struct ux500_msp *msp, struct ux500_msp_config *config)
}
/* Make sure the correct DMA-directions are configured */
- if ((config->direction & MSP_DIR_RX) && (!msp->dma_cfg_rx)) {
+ if ((config->direction & MSP_DIR_RX) &&
+ !msp->capture_dma_data.dma_cfg) {
dev_err(msp->dev, "%s: ERROR: MSP RX-mode is not configured!",
__func__);
return -EINVAL;
}
- if ((config->direction == MSP_DIR_TX) && (!msp->dma_cfg_tx)) {
+ if ((config->direction == MSP_DIR_TX) &&
+ !msp->playback_dma_data.dma_cfg) {
dev_err(msp->dev, "%s: ERROR: MSP TX-mode is not configured!",
__func__);
return -EINVAL;
@@ -630,8 +612,7 @@ int ux500_msp_i2s_trigger(struct ux500_msp *msp, int cmd, int direction)
int ux500_msp_i2s_close(struct ux500_msp *msp, unsigned int dir)
{
- int status = 0, retval = 0;
- unsigned long flags;
+ int status = 0;
dev_dbg(msp->dev, "%s: Enter (dir = 0x%01x).\n", __func__, dir);
@@ -643,18 +624,6 @@ int ux500_msp_i2s_close(struct ux500_msp *msp, unsigned int dir)
(~(FRAME_GEN_ENABLE | SRG_ENABLE))),
msp->registers + MSP_GCR);
- spin_lock_irqsave(&msp_rxtx_lock, flags);
- WARN_ON(!msp->pinctrl_rxtx_ref);
- msp->pinctrl_rxtx_ref--;
- if (msp->pinctrl_rxtx_ref == 0 &&
- !(IS_ERR(msp->pinctrl_p) || IS_ERR(msp->pinctrl_sleep))) {
- retval = pinctrl_select_state(msp->pinctrl_p,
- msp->pinctrl_sleep);
- if (retval)
- pr_err("could not set MSP sleepstate\n");
- }
- spin_unlock_irqrestore(&msp_rxtx_lock, flags);
-
writel(0, msp->registers + MSP_GCR);
writel(0, msp->registers + MSP_TCF);
writel(0, msp->registers + MSP_RCF);
@@ -682,7 +651,6 @@ int ux500_msp_i2s_init_msp(struct platform_device *pdev,
struct msp_i2s_platform_data *platform_data)
{
struct resource *res = NULL;
- struct i2s_controller *i2s_cont;
struct device_node *np = pdev->dev.of_node;
struct ux500_msp *msp;
@@ -707,8 +675,8 @@ int ux500_msp_i2s_init_msp(struct platform_device *pdev,
msp->id = platform_data->id;
msp->dev = &pdev->dev;
- msp->dma_cfg_rx = platform_data->msp_i2s_dma_rx;
- msp->dma_cfg_tx = platform_data->msp_i2s_dma_tx;
+ msp->playback_dma_data.dma_cfg = platform_data->msp_i2s_dma_tx;
+ msp->capture_dma_data.dma_cfg = platform_data->msp_i2s_dma_rx;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (res == NULL) {
@@ -717,6 +685,9 @@ int ux500_msp_i2s_init_msp(struct platform_device *pdev,
return -ENOMEM;
}
+ msp->playback_dma_data.tx_rx_addr = res->start + MSP_DR;
+ msp->capture_dma_data.tx_rx_addr = res->start + MSP_DR;
+
msp->registers = devm_ioremap(&pdev->dev, res->start,
resource_size(res));
if (msp->registers == NULL) {
@@ -727,41 +698,6 @@ int ux500_msp_i2s_init_msp(struct platform_device *pdev,
msp->msp_state = MSP_STATE_IDLE;
msp->loopback_enable = 0;
- /* I2S-controller is allocated and added in I2S controller class. */
- i2s_cont = devm_kzalloc(&pdev->dev, sizeof(*i2s_cont), GFP_KERNEL);
- if (!i2s_cont) {
- dev_err(&pdev->dev,
- "%s: ERROR: Failed to allocate I2S-controller!\n",
- __func__);
- return -ENOMEM;
- }
- i2s_cont->dev.parent = &pdev->dev;
- i2s_cont->data = (void *)msp;
- i2s_cont->id = (s16)msp->id;
- snprintf(i2s_cont->name, sizeof(i2s_cont->name), "ux500-msp-i2s.%04x",
- msp->id);
- dev_dbg(&pdev->dev, "I2S device-name: '%s'\n", i2s_cont->name);
- msp->i2s_cont = i2s_cont;
-
- msp->pinctrl_p = pinctrl_get(msp->dev);
- if (IS_ERR(msp->pinctrl_p))
- dev_err(&pdev->dev, "could not get MSP pinctrl\n");
- else {
- msp->pinctrl_def = pinctrl_lookup_state(msp->pinctrl_p,
- PINCTRL_STATE_DEFAULT);
- if (IS_ERR(msp->pinctrl_def)) {
- dev_err(&pdev->dev,
- "could not get MSP defstate (%li)\n",
- PTR_ERR(msp->pinctrl_def));
- }
- msp->pinctrl_sleep = pinctrl_lookup_state(msp->pinctrl_p,
- PINCTRL_STATE_SLEEP);
- if (IS_ERR(msp->pinctrl_sleep))
- dev_err(&pdev->dev,
- "could not get MSP idlestate (%li)\n",
- PTR_ERR(msp->pinctrl_def));
- }
-
return 0;
}
@@ -769,8 +705,6 @@ void ux500_msp_i2s_cleanup_msp(struct platform_device *pdev,
struct ux500_msp *msp)
{
dev_dbg(msp->dev, "%s: Enter (id = %d).\n", __func__, msp->id);
-
- device_unregister(&msp->i2s_cont->dev);
}
MODULE_LICENSE("GPL v2");
diff --git a/sound/soc/ux500/ux500_msp_i2s.h b/sound/soc/ux500/ux500_msp_i2s.h
index e5cd105c90f..258d0bcee0b 100644
--- a/sound/soc/ux500/ux500_msp_i2s.h
+++ b/sound/soc/ux500/ux500_msp_i2s.h
@@ -16,6 +16,7 @@
#define UX500_MSP_I2S_H
#include <linux/platform_device.h>
+#include <linux/platform_data/asoc-ux500-msp.h>
#define MSP_INPUT_FREQ_APB 48000000
@@ -341,11 +342,6 @@ enum msp_compress_mode {
MSP_COMPRESS_MODE_A_LAW = 3
};
-enum msp_spi_burst_mode {
- MSP_SPI_BURST_MODE_DISABLE = 0,
- MSP_SPI_BURST_MODE_ENABLE = 1
-};
-
enum msp_expand_mode {
MSP_EXPAND_MODE_LINEAR = 0,
MSP_EXPAND_MODE_LINEAR_SIGNED = 1,
@@ -370,13 +366,6 @@ enum msp_protocol {
*/
#define MAX_MSP_BACKUP_REGS 36
-enum enum_i2s_controller {
- MSP_0_I2S_CONTROLLER = 0,
- MSP_1_I2S_CONTROLLER,
- MSP_2_I2S_CONTROLLER,
- MSP_3_I2S_CONTROLLER,
-};
-
enum i2s_direction_t {
MSP_DIR_TX = 0x01,
MSP_DIR_RX = 0x02,
@@ -454,32 +443,6 @@ struct msp_protdesc {
u32 clocks_per_frame;
};
-struct i2s_message {
- enum i2s_direction_t i2s_direction;
- void *txdata;
- void *rxdata;
- size_t txbytes;
- size_t rxbytes;
- int dma_flag;
- int tx_offset;
- int rx_offset;
- bool cyclic_dma;
- dma_addr_t buf_addr;
- size_t buf_len;
- size_t period_len;
-};
-
-struct i2s_controller {
- struct module *owner;
- unsigned int id;
- unsigned int class;
- const struct i2s_algorithm *algo; /* the algorithm to access the bus */
- void *data;
- struct mutex bus_lock;
- struct device dev; /* the controller device */
- char name[48];
-};
-
struct ux500_msp_config {
unsigned int f_inputclk;
unsigned int rx_clk_sel;
@@ -491,8 +454,6 @@ struct ux500_msp_config {
unsigned int tx_fsync_sel;
unsigned int rx_fifo_config;
unsigned int tx_fifo_config;
- unsigned int spi_clk_mode;
- unsigned int spi_burst_mode;
unsigned int loopback_enable;
unsigned int tx_data_enable;
unsigned int default_protdesc;
@@ -502,43 +463,28 @@ struct ux500_msp_config {
unsigned int direction;
unsigned int protocol;
unsigned int frame_freq;
- unsigned int frame_size;
enum msp_data_size data_size;
unsigned int def_elem_len;
unsigned int iodelay;
- void (*handler) (void *data);
- void *tx_callback_data;
- void *rx_callback_data;
+};
+
+struct ux500_msp_dma_params {
+ unsigned int data_size;
+ dma_addr_t tx_rx_addr;
+ struct stedma40_chan_cfg *dma_cfg;
};
struct ux500_msp {
- enum enum_i2s_controller id;
+ enum msp_i2s_id id;
void __iomem *registers;
struct device *dev;
- struct i2s_controller *i2s_cont;
- struct stedma40_chan_cfg *dma_cfg_rx;
- struct stedma40_chan_cfg *dma_cfg_tx;
- struct dma_chan *tx_pipeid;
- struct dma_chan *rx_pipeid;
+ struct ux500_msp_dma_params playback_dma_data;
+ struct ux500_msp_dma_params capture_dma_data;
enum msp_state msp_state;
- int (*transfer) (struct ux500_msp *msp, struct i2s_message *message);
- struct timer_list notify_timer;
int def_elem_len;
unsigned int dir_busy;
int loopback_enable;
- u32 backup_regs[MAX_MSP_BACKUP_REGS];
unsigned int f_bitclk;
- /* Pin modes */
- struct pinctrl *pinctrl_p;
- struct pinctrl_state *pinctrl_def;
- struct pinctrl_state *pinctrl_sleep;
- /* Reference Count */
- int pinctrl_rxtx_ref;
-};
-
-struct ux500_msp_dma_params {
- unsigned int data_size;
- struct stedma40_chan_cfg *dma_cfg;
};
struct msp_i2s_platform_data;
diff --git a/sound/soc/ux500/ux500_pcm.c b/sound/soc/ux500/ux500_pcm.c
index b6e5ae27729..5f01c19776b 100644
--- a/sound/soc/ux500/ux500_pcm.c
+++ b/sound/soc/ux500/ux500_pcm.c
@@ -103,10 +103,40 @@ static struct dma_chan *ux500_pcm_request_chan(struct snd_soc_pcm_runtime *rtd,
return snd_dmaengine_pcm_request_channel(stedma40_filter, dma_cfg);
}
+static int ux500_pcm_prepare_slave_config(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct dma_slave_config *slave_config)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct ux500_msp_dma_params *dma_params;
+ struct stedma40_chan_cfg *dma_cfg;
+ int ret;
+
+ dma_params = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
+ dma_cfg = dma_params->dma_cfg;
+
+ ret = snd_hwparams_to_dma_slave_config(substream, params, slave_config);
+ if (ret)
+ return ret;
+
+ slave_config->dst_maxburst = 4;
+ slave_config->dst_addr_width = dma_cfg->dst_info.data_width;
+ slave_config->src_maxburst = 4;
+ slave_config->src_addr_width = dma_cfg->src_info.data_width;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ slave_config->dst_addr = dma_params->tx_rx_addr;
+ else
+ slave_config->src_addr = dma_params->tx_rx_addr;
+
+ return 0;
+}
+
static const struct snd_dmaengine_pcm_config ux500_dmaengine_pcm_config = {
.pcm_hardware = &ux500_pcm_hw,
.compat_request_channel = ux500_pcm_request_chan,
.prealloc_buffer_size = 128 * 1024,
+ .prepare_slave_config = ux500_pcm_prepare_slave_config,
};
int ux500_pcm_register_platform(struct platform_device *pdev)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-02 08:19:52 +0000