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-rw-r--r--sound/soc/qcom/Kconfig25
-rw-r--r--sound/soc/qcom/Makefile4
-rw-r--r--sound/soc/qcom/apq8016_sbc.c2
-rw-r--r--sound/soc/qcom/common.c13
-rw-r--r--sound/soc/qcom/lpass-apq8016.c2
-rw-r--r--sound/soc/qcom/lpass-cpu.c74
-rw-r--r--sound/soc/qcom/lpass-hdmi.c2
-rw-r--r--sound/soc/qcom/lpass-ipq806x.c2
-rw-r--r--sound/soc/qcom/lpass-lpaif-reg.h7
-rw-r--r--sound/soc/qcom/lpass-platform.c20
-rw-r--r--sound/soc/qcom/lpass-sc7180.c10
-rw-r--r--sound/soc/qcom/lpass.h2
-rw-r--r--sound/soc/qcom/qdsp6/q6adm.c10
-rw-r--r--sound/soc/qcom/qdsp6/q6afe-clocks.c3
-rw-r--r--sound/soc/qcom/qdsp6/q6afe.c10
-rw-r--r--sound/soc/qcom/qdsp6/q6asm.c10
-rw-r--r--sound/soc/qcom/sc7180.c391
-rw-r--r--sound/soc/qcom/sm8250.c229
18 files changed, 741 insertions, 75 deletions
diff --git a/sound/soc/qcom/Kconfig b/sound/soc/qcom/Kconfig
index 2696ffcba880..cc7c1de2f1d9 100644
--- a/sound/soc/qcom/Kconfig
+++ b/sound/soc/qcom/Kconfig
@@ -106,6 +106,7 @@ config SND_SOC_QDSP6
config SND_SOC_MSM8996
tristate "SoC Machine driver for MSM8996 and APQ8096 boards"
depends on QCOM_APR
+ depends on COMMON_CLK
select SND_SOC_QDSP6
select SND_SOC_QCOM_COMMON
help
@@ -127,4 +128,28 @@ config SND_SOC_SDM845
SDM845 SoC-based systems.
Say Y if you want to use audio device on this SoCs.
+config SND_SOC_SM8250
+ tristate "SoC Machine driver for SM8250 boards"
+ depends on QCOM_APR && SOUNDWIRE
+ depends on COMMON_CLK
+ select SND_SOC_QDSP6
+ select SND_SOC_QCOM_COMMON
+ help
+ To add support for audio on Qualcomm Technologies Inc.
+ SM8250 SoC-based systems.
+ Say Y if you want to use audio device on this SoCs.
+
+config SND_SOC_SC7180
+ tristate "SoC Machine driver for SC7180 boards"
+ depends on I2C
+ select SND_SOC_QCOM_COMMON
+ select SND_SOC_LPASS_SC7180
+ select SND_SOC_MAX98357A
+ select SND_SOC_RT5682_I2C
+ select SND_SOC_ADAU7002
+ help
+ To add support for audio on Qualcomm Technologies Inc.
+ SC7180 SoC-based systems.
+ Say Y if you want to use audio device on this SoCs.
+
endif #SND_SOC_QCOM
diff --git a/sound/soc/qcom/Makefile b/sound/soc/qcom/Makefile
index 0bd90d74e3db..1600ae55bd34 100644
--- a/sound/soc/qcom/Makefile
+++ b/sound/soc/qcom/Makefile
@@ -18,13 +18,17 @@ obj-$(CONFIG_SND_SOC_LPASS_SC7180) += snd-soc-lpass-sc7180.o
snd-soc-storm-objs := storm.o
snd-soc-apq8016-sbc-objs := apq8016_sbc.o
snd-soc-apq8096-objs := apq8096.o
+snd-soc-sc7180-objs := sc7180.o
snd-soc-sdm845-objs := sdm845.o
+snd-soc-sm8250-objs := sm8250.o
snd-soc-qcom-common-objs := common.o
obj-$(CONFIG_SND_SOC_STORM) += snd-soc-storm.o
obj-$(CONFIG_SND_SOC_APQ8016_SBC) += snd-soc-apq8016-sbc.o
obj-$(CONFIG_SND_SOC_MSM8996) += snd-soc-apq8096.o
+obj-$(CONFIG_SND_SOC_SC7180) += snd-soc-sc7180.o
obj-$(CONFIG_SND_SOC_SDM845) += snd-soc-sdm845.o
+obj-$(CONFIG_SND_SOC_SM8250) += snd-soc-sm8250.o
obj-$(CONFIG_SND_SOC_QCOM_COMMON) += snd-soc-qcom-common.o
#DSP lib
diff --git a/sound/soc/qcom/apq8016_sbc.c b/sound/soc/qcom/apq8016_sbc.c
index 575e2aefefe3..270986b2f102 100644
--- a/sound/soc/qcom/apq8016_sbc.c
+++ b/sound/soc/qcom/apq8016_sbc.c
@@ -167,7 +167,7 @@ static int apq8016_sbc_platform_probe(struct platform_device *pdev)
return devm_snd_soc_register_card(&pdev->dev, card);
}
-static const struct of_device_id apq8016_sbc_device_id[] = {
+static const struct of_device_id apq8016_sbc_device_id[] __maybe_unused = {
{ .compatible = "qcom,apq8016-sbc-sndcard" },
{},
};
diff --git a/sound/soc/qcom/common.c b/sound/soc/qcom/common.c
index 54660f126d09..09af00700700 100644
--- a/sound/soc/qcom/common.c
+++ b/sound/soc/qcom/common.c
@@ -58,7 +58,7 @@ int qcom_snd_parse_of(struct snd_soc_card *card)
dlc = devm_kzalloc(dev, 2 * sizeof(*dlc), GFP_KERNEL);
if (!dlc) {
ret = -ENOMEM;
- goto err;
+ goto err_put_np;
}
link->cpus = &dlc[0];
@@ -70,7 +70,7 @@ int qcom_snd_parse_of(struct snd_soc_card *card)
ret = of_property_read_string(np, "link-name", &link->name);
if (ret) {
dev_err(card->dev, "error getting codec dai_link name\n");
- goto err;
+ goto err_put_np;
}
cpu = of_get_child_by_name(np, "cpu");
@@ -130,8 +130,10 @@ int qcom_snd_parse_of(struct snd_soc_card *card)
} else {
/* DPCM frontend */
dlc = devm_kzalloc(dev, sizeof(*dlc), GFP_KERNEL);
- if (!dlc)
- return -ENOMEM;
+ if (!dlc) {
+ ret = -ENOMEM;
+ goto err;
+ }
link->codecs = dlc;
link->num_codecs = 1;
@@ -158,10 +160,11 @@ int qcom_snd_parse_of(struct snd_soc_card *card)
return 0;
err:
- of_node_put(np);
of_node_put(cpu);
of_node_put(codec);
of_node_put(platform);
+err_put_np:
+ of_node_put(np);
return ret;
}
EXPORT_SYMBOL(qcom_snd_parse_of);
diff --git a/sound/soc/qcom/lpass-apq8016.c b/sound/soc/qcom/lpass-apq8016.c
index 0aedb3a0a798..8507ef8f6679 100644
--- a/sound/soc/qcom/lpass-apq8016.c
+++ b/sound/soc/qcom/lpass-apq8016.c
@@ -291,7 +291,7 @@ static struct lpass_variant apq8016_data = {
.free_dma_channel = apq8016_lpass_free_dma_channel,
};
-static const struct of_device_id apq8016_lpass_cpu_device_id[] = {
+static const struct of_device_id apq8016_lpass_cpu_device_id[] __maybe_unused = {
{ .compatible = "qcom,lpass-cpu-apq8016", .data = &apq8016_data },
{}
};
diff --git a/sound/soc/qcom/lpass-cpu.c b/sound/soc/qcom/lpass-cpu.c
index 9d17c87445a9..af684fd19ab9 100644
--- a/sound/soc/qcom/lpass-cpu.c
+++ b/sound/soc/qcom/lpass-cpu.c
@@ -263,28 +263,6 @@ static int lpass_cpu_daiops_hw_params(struct snd_pcm_substream *substream,
return 0;
}
-static int lpass_cpu_daiops_prepare(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
-{
- struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai);
- struct lpaif_i2sctl *i2sctl = drvdata->i2sctl;
- unsigned int id = dai->driver->id;
- int ret;
-
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- ret = regmap_fields_write(i2sctl->spken, id,
- LPAIF_I2SCTL_SPKEN_ENABLE);
- } else {
- ret = regmap_fields_write(i2sctl->micen, id,
- LPAIF_I2SCTL_MICEN_ENABLE);
- }
-
- if (ret)
- dev_err(dai->dev, "error writing to i2sctl enable: %d\n", ret);
-
- return ret;
-}
-
static int lpass_cpu_daiops_trigger(struct snd_pcm_substream *substream,
int cmd, struct snd_soc_dai *dai)
{
@@ -292,6 +270,18 @@ static int lpass_cpu_daiops_trigger(struct snd_pcm_substream *substream,
struct lpaif_i2sctl *i2sctl = drvdata->i2sctl;
unsigned int id = dai->driver->id;
int ret = -EINVAL;
+ unsigned int val = 0;
+
+ ret = regmap_read(drvdata->lpaif_map,
+ LPAIF_I2SCTL_REG(drvdata->variant, dai->driver->id), &val);
+ if (ret) {
+ dev_err(dai->dev, "error reading from i2sctl reg: %d\n", ret);
+ return ret;
+ }
+ if (val == LPAIF_I2SCTL_RESET_STATE) {
+ dev_err(dai->dev, "error in i2sctl register state\n");
+ return -ENOTRECOVERABLE;
+ }
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
@@ -308,11 +298,14 @@ static int lpass_cpu_daiops_trigger(struct snd_pcm_substream *substream,
dev_err(dai->dev, "error writing to i2sctl reg: %d\n",
ret);
- ret = clk_enable(drvdata->mi2s_bit_clk[id]);
- if (ret) {
- dev_err(dai->dev, "error in enabling mi2s bit clk: %d\n", ret);
- clk_disable(drvdata->mi2s_osr_clk[id]);
- return ret;
+ if (drvdata->bit_clk_state[id] == LPAIF_BIT_CLK_DISABLE) {
+ ret = clk_enable(drvdata->mi2s_bit_clk[id]);
+ if (ret) {
+ dev_err(dai->dev, "error in enabling mi2s bit clk: %d\n", ret);
+ clk_disable(drvdata->mi2s_osr_clk[id]);
+ return ret;
+ }
+ drvdata->bit_clk_state[id] = LPAIF_BIT_CLK_ENABLE;
}
break;
@@ -329,7 +322,10 @@ static int lpass_cpu_daiops_trigger(struct snd_pcm_substream *substream,
if (ret)
dev_err(dai->dev, "error writing to i2sctl reg: %d\n",
ret);
- clk_disable(drvdata->mi2s_bit_clk[dai->driver->id]);
+ if (drvdata->bit_clk_state[id] == LPAIF_BIT_CLK_ENABLE) {
+ clk_disable(drvdata->mi2s_bit_clk[dai->driver->id]);
+ drvdata->bit_clk_state[id] = LPAIF_BIT_CLK_DISABLE;
+ }
break;
}
@@ -341,7 +337,6 @@ const struct snd_soc_dai_ops asoc_qcom_lpass_cpu_dai_ops = {
.startup = lpass_cpu_daiops_startup,
.shutdown = lpass_cpu_daiops_shutdown,
.hw_params = lpass_cpu_daiops_hw_params,
- .prepare = lpass_cpu_daiops_prepare,
.trigger = lpass_cpu_daiops_trigger,
};
EXPORT_SYMBOL_GPL(asoc_qcom_lpass_cpu_dai_ops);
@@ -459,16 +454,20 @@ static bool lpass_cpu_regmap_volatile(struct device *dev, unsigned int reg)
struct lpass_variant *v = drvdata->variant;
int i;
+ for (i = 0; i < v->i2s_ports; ++i)
+ if (reg == LPAIF_I2SCTL_REG(v, i))
+ return true;
for (i = 0; i < v->irq_ports; ++i)
if (reg == LPAIF_IRQSTAT_REG(v, i))
return true;
for (i = 0; i < v->rdma_channels; ++i)
- if (reg == LPAIF_RDMACURR_REG(v, i))
+ if (reg == LPAIF_RDMACURR_REG(v, i) || reg == LPAIF_RDMACTL_REG(v, i))
return true;
for (i = 0; i < v->wrdma_channels; ++i)
- if (reg == LPAIF_WRDMACURR_REG(v, i + v->wrdma_channel_start))
+ if (reg == LPAIF_WRDMACURR_REG(v, i + v->wrdma_channel_start) ||
+ reg == LPAIF_WRDMACTL_REG(v, i + v->wrdma_channel_start))
return true;
return false;
@@ -674,7 +673,7 @@ static bool lpass_hdmi_regmap_volatile(struct device *dev, unsigned int reg)
return false;
}
-struct regmap_config lpass_hdmi_regmap_config = {
+static struct regmap_config lpass_hdmi_regmap_config = {
.reg_bits = 32,
.reg_stride = 4,
.val_bits = 32,
@@ -861,6 +860,7 @@ int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev)
PTR_ERR(drvdata->mi2s_bit_clk[dai_id]));
return PTR_ERR(drvdata->mi2s_bit_clk[dai_id]);
}
+ drvdata->bit_clk_state[dai_id] = LPAIF_BIT_CLK_DISABLE;
}
/* Allocation for i2sctl regmap fields */
@@ -914,5 +914,15 @@ int asoc_qcom_lpass_cpu_platform_remove(struct platform_device *pdev)
}
EXPORT_SYMBOL_GPL(asoc_qcom_lpass_cpu_platform_remove);
+void asoc_qcom_lpass_cpu_platform_shutdown(struct platform_device *pdev)
+{
+ struct lpass_data *drvdata = platform_get_drvdata(pdev);
+
+ if (drvdata->variant->exit)
+ drvdata->variant->exit(pdev);
+
+}
+EXPORT_SYMBOL_GPL(asoc_qcom_lpass_cpu_platform_shutdown);
+
MODULE_DESCRIPTION("QTi LPASS CPU Driver");
MODULE_LICENSE("GPL v2");
diff --git a/sound/soc/qcom/lpass-hdmi.c b/sound/soc/qcom/lpass-hdmi.c
index 172952d3a5d6..abfb8737a89f 100644
--- a/sound/soc/qcom/lpass-hdmi.c
+++ b/sound/soc/qcom/lpass-hdmi.c
@@ -24,7 +24,7 @@ static int lpass_hdmi_daiops_hw_params(struct snd_pcm_substream *substream,
unsigned int rate = params_rate(params);
unsigned int channels = params_channels(params);
unsigned int ret;
- unsigned int bitwidth;
+ int bitwidth;
unsigned int word_length;
unsigned int ch_sts_buf0;
unsigned int ch_sts_buf1;
diff --git a/sound/soc/qcom/lpass-ipq806x.c b/sound/soc/qcom/lpass-ipq806x.c
index 832a9161484e..92f98b4df47f 100644
--- a/sound/soc/qcom/lpass-ipq806x.c
+++ b/sound/soc/qcom/lpass-ipq806x.c
@@ -161,7 +161,7 @@ static struct lpass_variant ipq806x_data = {
.free_dma_channel = ipq806x_lpass_free_dma_channel,
};
-static const struct of_device_id ipq806x_lpass_cpu_device_id[] = {
+static const struct of_device_id ipq806x_lpass_cpu_device_id[] __maybe_unused = {
{ .compatible = "qcom,lpass-cpu", .data = &ipq806x_data },
{}
};
diff --git a/sound/soc/qcom/lpass-lpaif-reg.h b/sound/soc/qcom/lpass-lpaif-reg.h
index 08f3fe508b85..405542832e99 100644
--- a/sound/soc/qcom/lpass-lpaif-reg.h
+++ b/sound/soc/qcom/lpass-lpaif-reg.h
@@ -60,6 +60,13 @@
#define LPAIF_I2SCTL_BITWIDTH_24 1
#define LPAIF_I2SCTL_BITWIDTH_32 2
+#define LPAIF_BIT_CLK_DISABLE 0
+#define LPAIF_BIT_CLK_ENABLE 1
+
+#define LPAIF_I2SCTL_RESET_STATE 0x003C0004
+#define LPAIF_DMACTL_RESET_STATE 0x00200000
+
+
/* LPAIF IRQ */
#define LPAIF_IRQ_REG_ADDR(v, addr, port) \
(v->irq_reg_base + (addr) + v->irq_reg_stride * (port))
diff --git a/sound/soc/qcom/lpass-platform.c b/sound/soc/qcom/lpass-platform.c
index 7a3fdf89968a..80b09dede5f9 100644
--- a/sound/soc/qcom/lpass-platform.c
+++ b/sound/soc/qcom/lpass-platform.c
@@ -110,6 +110,7 @@ static int lpass_platform_pcmops_open(struct snd_soc_component *component,
struct regmap *map;
unsigned int dai_id = cpu_dai->driver->id;
+ component->id = dai_id;
data = kzalloc(sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;
@@ -451,19 +452,34 @@ static int lpass_platform_pcmops_trigger(struct snd_soc_component *component,
unsigned int reg_irqclr = 0, val_irqclr = 0;
unsigned int reg_irqen = 0, val_irqen = 0, val_mask = 0;
unsigned int dai_id = cpu_dai->driver->id;
+ unsigned int dma_ctrl_reg = 0;
ch = pcm_data->dma_ch;
if (dir == SNDRV_PCM_STREAM_PLAYBACK) {
id = pcm_data->dma_ch;
- if (dai_id == LPASS_DP_RX)
+ if (dai_id == LPASS_DP_RX) {
dmactl = drvdata->hdmi_rd_dmactl;
- else
+ map = drvdata->hdmiif_map;
+ } else {
dmactl = drvdata->rd_dmactl;
+ map = drvdata->lpaif_map;
+ }
} else {
dmactl = drvdata->wr_dmactl;
id = pcm_data->dma_ch - v->wrdma_channel_start;
+ map = drvdata->lpaif_map;
+ }
+ ret = regmap_read(map, LPAIF_DMACTL_REG(v, ch, dir, dai_id), &dma_ctrl_reg);
+ if (ret) {
+ dev_err(soc_runtime->dev, "error reading from rdmactl reg: %d\n", ret);
+ return ret;
}
+ if (dma_ctrl_reg == LPAIF_DMACTL_RESET_STATE ||
+ dma_ctrl_reg == LPAIF_DMACTL_RESET_STATE + 1) {
+ dev_err(soc_runtime->dev, "error in rdmactl register state\n");
+ return -ENOTRECOVERABLE;
+ }
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
diff --git a/sound/soc/qcom/lpass-sc7180.c b/sound/soc/qcom/lpass-sc7180.c
index bc998d501600..85db650c2169 100644
--- a/sound/soc/qcom/lpass-sc7180.c
+++ b/sound/soc/qcom/lpass-sc7180.c
@@ -34,7 +34,8 @@ static struct snd_soc_dai_driver sc7180_lpass_cpu_dai_driver[] = {
},
.capture = {
.stream_name = "Primary Capture",
- .formats = SNDRV_PCM_FMTBIT_S16,
+ .formats = SNDRV_PCM_FMTBIT_S16 |
+ SNDRV_PCM_FMTBIT_S32,
.rates = SNDRV_PCM_RATE_48000,
.rate_min = 48000,
.rate_max = 48000,
@@ -96,8 +97,8 @@ static int sc7180_lpass_alloc_dma_channel(struct lpass_data *drvdata,
chan = find_first_zero_bit(&drvdata->dma_ch_bit_map,
v->rdma_channels);
- if (chan >= v->rdma_channels)
- return -EBUSY;
+ if (chan >= v->rdma_channels)
+ return -EBUSY;
} else {
chan = find_next_zero_bit(&drvdata->dma_ch_bit_map,
v->wrdma_channel_start +
@@ -284,7 +285,7 @@ static struct lpass_variant sc7180_data = {
.free_dma_channel = sc7180_lpass_free_dma_channel,
};
-static const struct of_device_id sc7180_lpass_cpu_device_id[] = {
+static const struct of_device_id sc7180_lpass_cpu_device_id[] __maybe_unused = {
{.compatible = "qcom,sc7180-lpass-cpu", .data = &sc7180_data},
{}
};
@@ -297,6 +298,7 @@ static struct platform_driver sc7180_lpass_cpu_platform_driver = {
},
.probe = asoc_qcom_lpass_cpu_platform_probe,
.remove = asoc_qcom_lpass_cpu_platform_remove,
+ .shutdown = asoc_qcom_lpass_cpu_platform_shutdown,
};
module_platform_driver(sc7180_lpass_cpu_platform_driver);
diff --git a/sound/soc/qcom/lpass.h b/sound/soc/qcom/lpass.h
index b4830f353796..0195372905ed 100644
--- a/sound/soc/qcom/lpass.h
+++ b/sound/soc/qcom/lpass.h
@@ -68,6 +68,7 @@ struct lpass_data {
unsigned int mi2s_playback_sd_mode[LPASS_MAX_MI2S_PORTS];
unsigned int mi2s_capture_sd_mode[LPASS_MAX_MI2S_PORTS];
int hdmi_port_enable;
+ int bit_clk_state[LPASS_MAX_MI2S_PORTS];
/* low-power audio interface (LPAIF) registers */
void __iomem *lpaif;
@@ -255,6 +256,7 @@ struct lpass_variant {
/* register the platform driver from the CPU DAI driver */
int asoc_qcom_lpass_platform_register(struct platform_device *);
int asoc_qcom_lpass_cpu_platform_remove(struct platform_device *pdev);
+void asoc_qcom_lpass_cpu_platform_shutdown(struct platform_device *pdev);
int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev);
int asoc_qcom_lpass_cpu_dai_probe(struct snd_soc_dai *dai);
extern const struct snd_soc_dai_ops asoc_qcom_lpass_cpu_dai_ops;
diff --git a/sound/soc/qcom/qdsp6/q6adm.c b/sound/soc/qcom/qdsp6/q6adm.c
index 72f29720398c..1855b805eba2 100644
--- a/sound/soc/qcom/qdsp6/q6adm.c
+++ b/sound/soc/qcom/qdsp6/q6adm.c
@@ -601,14 +601,7 @@ static int q6adm_probe(struct apr_device *adev)
INIT_LIST_HEAD(&adm->copps_list);
spin_lock_init(&adm->copps_list_lock);
- return of_platform_populate(dev->of_node, NULL, NULL, dev);
-}
-
-static int q6adm_remove(struct apr_device *adev)
-{
- of_platform_depopulate(&adev->dev);
-
- return 0;
+ return devm_of_platform_populate(dev);
}
#ifdef CONFIG_OF
@@ -621,7 +614,6 @@ MODULE_DEVICE_TABLE(of, q6adm_device_id);
static struct apr_driver qcom_q6adm_driver = {
.probe = q6adm_probe,
- .remove = q6adm_remove,
.callback = q6adm_callback,
.driver = {
.name = "qcom-q6adm",
diff --git a/sound/soc/qcom/qdsp6/q6afe-clocks.c b/sound/soc/qcom/qdsp6/q6afe-clocks.c
index 2efc2eaa0424..f0362f061652 100644
--- a/sound/soc/qcom/qdsp6/q6afe-clocks.c
+++ b/sound/soc/qcom/qdsp6/q6afe-clocks.c
@@ -16,6 +16,7 @@
.afe_clk_id = Q6AFE_##id, \
.name = #id, \
.attributes = LPASS_CLK_ATTRIBUTE_COUPLE_NO, \
+ .rate = 19200000, \
.hw.init = &(struct clk_init_data) { \
.ops = &clk_q6afe_ops, \
.name = #id, \
@@ -119,7 +120,7 @@ static const struct clk_ops clk_vote_q6afe_ops = {
.unprepare = clk_unvote_q6afe_block,
};
-struct q6afe_clk *q6afe_clks[Q6AFE_MAX_CLK_ID] = {
+static struct q6afe_clk *q6afe_clks[Q6AFE_MAX_CLK_ID] = {
[LPASS_CLK_ID_PRI_MI2S_IBIT] = Q6AFE_CLK(LPASS_CLK_ID_PRI_MI2S_IBIT),
[LPASS_CLK_ID_PRI_MI2S_EBIT] = Q6AFE_CLK(LPASS_CLK_ID_PRI_MI2S_EBIT),
[LPASS_CLK_ID_SEC_MI2S_IBIT] = Q6AFE_CLK(LPASS_CLK_ID_SEC_MI2S_IBIT),
diff --git a/sound/soc/qcom/qdsp6/q6afe.c b/sound/soc/qcom/qdsp6/q6afe.c
index 0ca1e4aae518..daa58b5f941e 100644
--- a/sound/soc/qcom/qdsp6/q6afe.c
+++ b/sound/soc/qcom/qdsp6/q6afe.c
@@ -1740,14 +1740,7 @@ static int q6afe_probe(struct apr_device *adev)
dev_set_drvdata(dev, afe);
- return of_platform_populate(dev->of_node, NULL, NULL, dev);
-}
-
-static int q6afe_remove(struct apr_device *adev)
-{
- of_platform_depopulate(&adev->dev);
-
- return 0;
+ return devm_of_platform_populate(dev);
}
#ifdef CONFIG_OF
@@ -1760,7 +1753,6 @@ MODULE_DEVICE_TABLE(of, q6afe_device_id);
static struct apr_driver qcom_q6afe_driver = {
.probe = q6afe_probe,
- .remove = q6afe_remove,
.callback = q6afe_callback,
.driver = {
.name = "qcom-q6afe",
diff --git a/sound/soc/qcom/qdsp6/q6asm.c b/sound/soc/qcom/qdsp6/q6asm.c
index c547c560cb24..a6618efe22f2 100644
--- a/sound/soc/qcom/qdsp6/q6asm.c
+++ b/sound/soc/qcom/qdsp6/q6asm.c
@@ -1727,14 +1727,7 @@ static int q6asm_probe(struct apr_device *adev)
spin_lock_init(&q6asm->slock);
dev_set_drvdata(dev, q6asm);
- return of_platform_populate(dev->of_node, NULL, NULL, dev);
-}
-
-static int q6asm_remove(struct apr_device *adev)
-{
- of_platform_depopulate(&adev->dev);
-
- return 0;
+ return devm_of_platform_populate(dev);
}
#ifdef CONFIG_OF
@@ -1747,7 +1740,6 @@ MODULE_DEVICE_TABLE(of, q6asm_device_id);
static struct apr_driver qcom_q6asm_driver = {
.probe = q6asm_probe,
- .remove = q6asm_remove,
.callback = q6asm_srvc_callback,
.driver = {
.name = "qcom-q6asm",
diff --git a/sound/soc/qcom/sc7180.c b/sound/soc/qcom/sc7180.c
new file mode 100644
index 000000000000..768566bb57a5
--- /dev/null
+++ b/sound/soc/qcom/sc7180.c
@@ -0,0 +1,391 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// Copyright (c) 2020, The Linux Foundation. All rights reserved.
+//
+// sc7180.c -- ALSA SoC Machine driver for SC7180
+
+#include <dt-bindings/sound/sc7180-lpass.h>
+#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <sound/core.h>
+#include <sound/jack.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <uapi/linux/input-event-codes.h>
+
+#include "../codecs/rt5682.h"
+#include "common.h"
+#include "lpass.h"
+
+#define DEFAULT_MCLK_RATE 19200000
+#define RT5682_PLL1_FREQ (48000 * 512)
+
+#define DRIVER_NAME "SC7180"
+
+struct sc7180_snd_data {
+ struct snd_soc_card card;
+ u32 pri_mi2s_clk_count;
+ struct snd_soc_jack hs_jack;
+ struct snd_soc_jack hdmi_jack;
+ struct gpio_desc *dmic_sel;
+ int dmic_switch;
+};
+
+static void sc7180_jack_free(struct snd_jack *jack)
+{
+ struct snd_soc_component *component = jack->private_data;
+
+ snd_soc_component_set_jack(component, NULL, NULL);
+}
+
+static int sc7180_headset_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_card *card = rtd->card;
+ struct sc7180_snd_data *pdata = snd_soc_card_get_drvdata(card);
+ struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
+ struct snd_soc_component *component = codec_dai->component;
+ struct snd_jack *jack;
+ int rval;
+
+ rval = snd_soc_card_jack_new(
+ card, "Headset Jack",
+ SND_JACK_HEADSET |
+ SND_JACK_HEADPHONE |
+ SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+ SND_JACK_BTN_2 | SND_JACK_BTN_3,
+ &pdata->hs_jack, NULL, 0);
+
+ if (rval < 0) {
+ dev_err(card->dev, "Unable to add Headset Jack\n");
+ return rval;
+ }
+
+ jack = pdata->hs_jack.jack;
+
+ snd_jack_set_key(jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
+ snd_jack_set_key(jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
+ snd_jack_set_key(jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
+ snd_jack_set_key(jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
+
+ jack->private_data = component;
+ jack->private_free = sc7180_jack_free;
+
+ return snd_soc_component_set_jack(component, &pdata->hs_jack, NULL);
+}
+
+static int sc7180_hdmi_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_card *card = rtd->card;
+ struct sc7180_snd_data *pdata = snd_soc_card_get_drvdata(card);
+ struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
+ struct snd_soc_component *component = codec_dai->component;
+ struct snd_jack *jack;
+ int rval;
+
+ rval = snd_soc_card_jack_new(
+ card, "HDMI Jack",
+ SND_JACK_LINEOUT,
+ &pdata->hdmi_jack, NULL, 0);
+
+ if (rval < 0) {
+ dev_err(card->dev, "Unable to add HDMI Jack\n");
+ return rval;
+ }
+
+ jack = pdata->hdmi_jack.jack;
+ jack->private_data = component;
+ jack->private_free = sc7180_jack_free;
+
+ return snd_soc_component_set_jack(component, &pdata->hdmi_jack, NULL);
+}
+
+static int sc7180_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+
+ switch (cpu_dai->id) {
+ case MI2S_PRIMARY:
+ return sc7180_headset_init(rtd);
+ case MI2S_SECONDARY:
+ return 0;
+ case LPASS_DP_RX:
+ return sc7180_hdmi_init(rtd);
+ default:
+ dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
+ cpu_dai->id);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int sc7180_snd_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_card *card = rtd->card;
+ struct sc7180_snd_data *data = snd_soc_card_get_drvdata(card);
+ struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+ struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
+ int ret;
+
+ switch (cpu_dai->id) {
+ case MI2S_PRIMARY:
+ if (++data->pri_mi2s_clk_count == 1) {
+ snd_soc_dai_set_sysclk(cpu_dai,
+ LPASS_MCLK0,
+ DEFAULT_MCLK_RATE,
+ SNDRV_PCM_STREAM_PLAYBACK);
+ }
+
+ snd_soc_dai_set_fmt(codec_dai,
+ SND_SOC_DAIFMT_CBS_CFS |
+ SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_I2S);
+
+ /* Configure PLL1 for codec */
+ ret = snd_soc_dai_set_pll(codec_dai, 0, RT5682_PLL1_S_MCLK,
+ DEFAULT_MCLK_RATE, RT5682_PLL1_FREQ);
+ if (ret) {
+ dev_err(rtd->dev, "can't set codec pll: %d\n", ret);
+ return ret;
+ }
+
+ /* Configure sysclk for codec */
+ ret = snd_soc_dai_set_sysclk(codec_dai, RT5682_SCLK_S_PLL1,
+ RT5682_PLL1_FREQ,
+ SND_SOC_CLOCK_IN);
+ if (ret)
+ dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n",
+ ret);
+
+ break;
+ case MI2S_SECONDARY:
+ break;
+ case LPASS_DP_RX:
+ break;
+ default:
+ dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
+ cpu_dai->id);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int dmic_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
+ struct sc7180_snd_data *data = snd_soc_card_get_drvdata(dapm->card);
+
+ ucontrol->value.integer.value[0] = data->dmic_switch;
+ return 0;
+}
+
+static int dmic_set(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
+ struct sc7180_snd_data *data = snd_soc_card_get_drvdata(dapm->card);
+
+ data->dmic_switch = ucontrol->value.integer.value[0];
+ gpiod_set_value(data->dmic_sel, data->dmic_switch);
+ return 0;
+}
+
+static void sc7180_snd_shutdown(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_card *card = rtd->card;
+ struct sc7180_snd_data *data = snd_soc_card_get_drvdata(card);
+ struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+
+ switch (cpu_dai->id) {
+ case MI2S_PRIMARY:
+ if (--data->pri_mi2s_clk_count == 0) {
+ snd_soc_dai_set_sysclk(cpu_dai,
+ LPASS_MCLK0,
+ 0,
+ SNDRV_PCM_STREAM_PLAYBACK);
+ }
+ break;
+ case MI2S_SECONDARY:
+ break;
+ case LPASS_DP_RX:
+ break;
+ default:
+ dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
+ cpu_dai->id);
+ break;
+ }
+}
+
+static int sc7180_adau7002_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+
+ switch (cpu_dai->id) {
+ case MI2S_PRIMARY:
+ return 0;
+ case MI2S_SECONDARY:
+ return 0;
+ case LPASS_DP_RX:
+ return sc7180_hdmi_init(rtd);
+ default:
+ dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
+ cpu_dai->id);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int sc7180_adau7002_snd_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+ struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ switch (cpu_dai->id) {
+ case MI2S_PRIMARY:
+ snd_soc_dai_set_fmt(codec_dai,
+ SND_SOC_DAIFMT_CBS_CFS |
+ SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_I2S);
+ runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE;
+ snd_pcm_hw_constraint_msbits(runtime, 0, 32, 32);
+
+ break;
+ case MI2S_SECONDARY:
+ break;
+ case LPASS_DP_RX:
+ break;
+ default:
+ dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
+ cpu_dai->id);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static const struct snd_soc_ops sc7180_ops = {
+ .startup = sc7180_snd_startup,
+ .shutdown = sc7180_snd_shutdown,
+};
+
+static const struct snd_soc_ops sc7180_adau7002_ops = {
+ .startup = sc7180_adau7002_snd_startup,
+};
+
+static const struct snd_soc_dapm_widget sc7180_snd_widgets[] = {
+ SND_SOC_DAPM_HP("Headphone Jack", NULL),
+ SND_SOC_DAPM_MIC("Headset Mic", NULL),
+};
+
+static const struct snd_soc_dapm_widget sc7180_adau7002_snd_widgets[] = {
+ SND_SOC_DAPM_MIC("DMIC", NULL),
+};
+
+static const char * const dmic_mux_text[] = {
+ "Front Mic",
+ "Rear Mic",
+};
+
+static SOC_ENUM_SINGLE_DECL(sc7180_dmic_enum,
+ SND_SOC_NOPM, 0, dmic_mux_text);
+
+static const struct snd_kcontrol_new sc7180_dmic_mux_control =
+ SOC_DAPM_ENUM_EXT("DMIC Select Mux", sc7180_dmic_enum,
+ dmic_get, dmic_set);
+
+static const struct snd_soc_dapm_widget sc7180_snd_dual_mic_widgets[] = {
+ SND_SOC_DAPM_HP("Headphone Jack", NULL),
+ SND_SOC_DAPM_MIC("Headset Mic", NULL),
+ SND_SOC_DAPM_MIC("DMIC", NULL),
+ SND_SOC_DAPM_MUX("Dmic Mux", SND_SOC_NOPM, 0, 0, &sc7180_dmic_mux_control),
+};
+
+static const struct snd_soc_dapm_route sc7180_snd_dual_mic_audio_route[] = {
+ {"Dmic Mux", "Front Mic", "DMIC"},
+ {"Dmic Mux", "Rear Mic", "DMIC"},
+};
+
+static int sc7180_snd_platform_probe(struct platform_device *pdev)
+{
+ struct snd_soc_card *card;
+ struct sc7180_snd_data *data;
+ struct device *dev = &pdev->dev;
+ struct snd_soc_dai_link *link;
+ int ret;
+ int i;
+ bool no_headphone = false;
+
+ /* Allocate the private data */
+ data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ card = &data->card;
+ snd_soc_card_set_drvdata(card, data);
+
+ card->owner = THIS_MODULE;
+ card->driver_name = DRIVER_NAME;
+ card->dev = dev;
+ card->dapm_widgets = sc7180_snd_widgets;
+ card->num_dapm_widgets = ARRAY_SIZE(sc7180_snd_widgets);
+
+ if (of_property_read_bool(dev->of_node, "dmic-gpios")) {
+ card->dapm_widgets = sc7180_snd_dual_mic_widgets,
+ card->num_dapm_widgets = ARRAY_SIZE(sc7180_snd_dual_mic_widgets),
+ card->dapm_routes = sc7180_snd_dual_mic_audio_route,
+ card->num_dapm_routes = ARRAY_SIZE(sc7180_snd_dual_mic_audio_route),
+ data->dmic_sel = devm_gpiod_get(&pdev->dev, "dmic", GPIOD_OUT_LOW);
+ if (IS_ERR(data->dmic_sel)) {
+ dev_err(&pdev->dev, "DMIC gpio failed err=%ld\n", PTR_ERR(data->dmic_sel));
+ return PTR_ERR(data->dmic_sel);
+ }
+ }
+
+ if (of_device_is_compatible(dev->of_node, "google,sc7180-coachz")) {
+ no_headphone = true;
+ card->dapm_widgets = sc7180_adau7002_snd_widgets;
+ card->num_dapm_widgets = ARRAY_SIZE(sc7180_adau7002_snd_widgets);
+ }
+
+ ret = qcom_snd_parse_of(card);
+ if (ret)
+ return ret;
+
+ for_each_card_prelinks(card, i, link) {
+ if (no_headphone) {
+ link->ops = &sc7180_adau7002_ops;
+ link->init = sc7180_adau7002_init;
+ } else {
+ link->ops = &sc7180_ops;
+ link->init = sc7180_init;
+ }
+ }
+
+ return devm_snd_soc_register_card(dev, card);
+}
+
+static const struct of_device_id sc7180_snd_device_id[] = {
+ {.compatible = "google,sc7180-trogdor"},
+ {.compatible = "google,sc7180-coachz"},
+ {},
+};
+MODULE_DEVICE_TABLE(of, sc7180_snd_device_id);
+
+static struct platform_driver sc7180_snd_driver = {
+ .probe = sc7180_snd_platform_probe,
+ .driver = {
+ .name = "msm-snd-sc7180",
+ .of_match_table = sc7180_snd_device_id,
+ .pm = &snd_soc_pm_ops,
+ },
+};
+module_platform_driver(sc7180_snd_driver);
+
+MODULE_DESCRIPTION("sc7180 ASoC Machine Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/sound/soc/qcom/sm8250.c b/sound/soc/qcom/sm8250.c
new file mode 100644
index 000000000000..fe8fd7367e21
--- /dev/null
+++ b/sound/soc/qcom/sm8250.c
@@ -0,0 +1,229 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020, Linaro Limited
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/of_device.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/pcm.h>
+#include <linux/soundwire/sdw.h>
+#include "qdsp6/q6afe.h"
+#include "common.h"
+
+#define DRIVER_NAME "sm8250"
+#define MI2S_BCLK_RATE 1536000
+
+struct sm8250_snd_data {
+ bool stream_prepared[AFE_PORT_MAX];
+ struct snd_soc_card *card;
+ struct sdw_stream_runtime *sruntime[AFE_PORT_MAX];
+};
+
+static int sm8250_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_interval *rate = hw_param_interval(params,
+ SNDRV_PCM_HW_PARAM_RATE);
+ struct snd_interval *channels = hw_param_interval(params,
+ SNDRV_PCM_HW_PARAM_CHANNELS);
+
+ rate->min = rate->max = 48000;
+ channels->min = channels->max = 2;
+
+ return 0;
+}
+
+static int sm8250_snd_startup(struct snd_pcm_substream *substream)
+{
+ unsigned int fmt = SND_SOC_DAIFMT_CBS_CFS;
+ unsigned int codec_dai_fmt = SND_SOC_DAIFMT_CBS_CFS;
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+ struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
+
+ switch (cpu_dai->id) {
+ case TERTIARY_MI2S_RX:
+ codec_dai_fmt |= SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_I2S;
+ snd_soc_dai_set_sysclk(cpu_dai,
+ Q6AFE_LPASS_CLK_ID_TER_MI2S_IBIT,
+ MI2S_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
+ snd_soc_dai_set_fmt(cpu_dai, fmt);
+ snd_soc_dai_set_fmt(codec_dai, codec_dai_fmt);
+ break;
+ default:
+ break;
+ }
+ return 0;
+}
+
+static int sm8250_snd_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *codec_dai;
+ struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+ struct sm8250_snd_data *pdata = snd_soc_card_get_drvdata(rtd->card);
+ struct sdw_stream_runtime *sruntime;
+ int i;
+
+ switch (cpu_dai->id) {
+ case WSA_CODEC_DMA_RX_0:
+ for_each_rtd_codec_dais(rtd, i, codec_dai) {
+ sruntime = snd_soc_dai_get_sdw_stream(codec_dai,
+ substream->stream);
+ if (sruntime != ERR_PTR(-ENOTSUPP))
+ pdata->sruntime[cpu_dai->id] = sruntime;
+ }
+ break;
+ }
+
+ return 0;
+
+}
+
+static int sm8250_snd_wsa_dma_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+ struct sm8250_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
+ struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id];
+ int ret;
+
+ if (!sruntime)
+ return 0;
+
+ if (data->stream_prepared[cpu_dai->id]) {
+ sdw_disable_stream(sruntime);
+ sdw_deprepare_stream(sruntime);
+ data->stream_prepared[cpu_dai->id] = false;
+ }
+
+ ret = sdw_prepare_stream(sruntime);
+ if (ret)
+ return ret;
+
+ /**
+ * NOTE: there is a strict hw requirement about the ordering of port
+ * enables and actual WSA881x PA enable. PA enable should only happen
+ * after soundwire ports are enabled if not DC on the line is
+ * accumulated resulting in Click/Pop Noise
+ * PA enable/mute are handled as part of codec DAPM and digital mute.
+ */
+
+ ret = sdw_enable_stream(sruntime);
+ if (ret) {
+ sdw_deprepare_stream(sruntime);
+ return ret;
+ }
+ data->stream_prepared[cpu_dai->id] = true;
+
+ return ret;
+}
+
+static int sm8250_snd_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+
+ switch (cpu_dai->id) {
+ case WSA_CODEC_DMA_RX_0:
+ case WSA_CODEC_DMA_RX_1:
+ return sm8250_snd_wsa_dma_prepare(substream);
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static int sm8250_snd_hw_free(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct sm8250_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
+ struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+ struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id];
+
+ switch (cpu_dai->id) {
+ case WSA_CODEC_DMA_RX_0:
+ case WSA_CODEC_DMA_RX_1:
+ if (sruntime && data->stream_prepared[cpu_dai->id]) {
+ sdw_disable_stream(sruntime);
+ sdw_deprepare_stream(sruntime);
+ data->stream_prepared[cpu_dai->id] = false;
+ }
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static const struct snd_soc_ops sm8250_be_ops = {
+ .startup = sm8250_snd_startup,
+ .hw_params = sm8250_snd_hw_params,
+ .hw_free = sm8250_snd_hw_free,
+ .prepare = sm8250_snd_prepare,
+};
+
+static void sm8250_add_be_ops(struct snd_soc_card *card)
+{
+ struct snd_soc_dai_link *link;
+ int i;
+
+ for_each_card_prelinks(card, i, link) {
+ if (link->no_pcm == 1) {
+ link->be_hw_params_fixup = sm8250_be_hw_params_fixup;
+ link->ops = &sm8250_be_ops;
+ }
+ }
+}
+
+static int sm8250_platform_probe(struct platform_device *pdev)
+{
+ struct snd_soc_card *card;
+ struct sm8250_snd_data *data;
+ struct device *dev = &pdev->dev;
+ int ret;
+
+ card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
+ if (!card)
+ return -ENOMEM;
+
+ /* Allocate the private data */
+ data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ card->dev = dev;
+ dev_set_drvdata(dev, card);
+ snd_soc_card_set_drvdata(card, data);
+ ret = qcom_snd_parse_of(card);
+ if (ret)
+ return ret;
+
+ card->driver_name = DRIVER_NAME;
+ sm8250_add_be_ops(card);
+ return devm_snd_soc_register_card(dev, card);
+}
+
+static const struct of_device_id snd_sm8250_dt_match[] = {
+ {.compatible = "qcom,sm8250-sndcard"},
+ {.compatible = "qcom,qrb5165-rb5-sndcard"},
+ {}
+};
+
+MODULE_DEVICE_TABLE(of, snd_sm8250_dt_match);
+
+static struct platform_driver snd_sm8250_driver = {
+ .probe = sm8250_platform_probe,
+ .driver = {
+ .name = "snd-sm8250",
+ .of_match_table = snd_sm8250_dt_match,
+ },
+};
+module_platform_driver(snd_sm8250_driver);
+MODULE_AUTHOR("Srinivas Kandagatla <srinivas.kandagatla@linaro.org");
+MODULE_DESCRIPTION("SM8250 ASoC Machine Driver");
+MODULE_LICENSE("GPL v2");