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-rw-r--r--sound/soc/intel/common/soc-acpi-intel-cml-match.c87
-rw-r--r--sound/soc/intel/common/soc-acpi-intel-icl-match.c97
-rw-r--r--sound/soc/intel/common/soc-acpi-intel-tgl-match.c49
-rw-r--r--sound/soc/sof/intel/hda-ctrl.c25
-rw-r--r--sound/soc/sof/intel/hda-dsp.c2
-rw-r--r--sound/soc/sof/intel/hda-loader.c31
-rw-r--r--sound/soc/sof/intel/hda.c400
-rw-r--r--sound/soc/sof/intel/hda.h66
8 files changed, 708 insertions, 49 deletions
diff --git a/sound/soc/intel/common/soc-acpi-intel-cml-match.c b/sound/soc/intel/common/soc-acpi-intel-cml-match.c
index f55634c4c2e8..3525da79c68a 100644
--- a/sound/soc/intel/common/soc-acpi-intel-cml-match.c
+++ b/sound/soc/intel/common/soc-acpi-intel-cml-match.c
@@ -59,42 +59,95 @@ struct snd_soc_acpi_mach snd_soc_acpi_intel_cml_machines[] = {
};
EXPORT_SYMBOL_GPL(snd_soc_acpi_intel_cml_machines);
-static const u64 rt711_0_adr[] = {
- 0x000010025D071100
+static const struct snd_soc_acpi_endpoint single_endpoint = {
+ .num = 0,
+ .aggregated = 0,
+ .group_position = 0,
+ .group_id = 0,
};
-static const u64 rt1308_1_adr[] = {
- 0x000110025D130800
+static const struct snd_soc_acpi_endpoint spk_l_endpoint = {
+ .num = 0,
+ .aggregated = 1,
+ .group_position = 0,
+ .group_id = 1,
};
-static const u64 rt1308_2_adr[] = {
- 0x000210025D130800
+static const struct snd_soc_acpi_endpoint spk_r_endpoint = {
+ .num = 0,
+ .aggregated = 1,
+ .group_position = 1,
+ .group_id = 1,
};
-static const u64 rt715_3_adr[] = {
- 0x000310025D071500
+static const struct snd_soc_acpi_adr_device rt711_0_adr[] = {
+ {
+ .adr = 0x000010025D071100,
+ .num_endpoints = 1,
+ .endpoints = &single_endpoint,
+ }
+};
+
+static const struct snd_soc_acpi_adr_device rt1308_1_adr[] = {
+ {
+ .adr = 0x000110025D130800,
+ .num_endpoints = 1,
+ .endpoints = &single_endpoint,
+ }
+};
+
+static const struct snd_soc_acpi_adr_device rt1308_2_adr[] = {
+ {
+ .adr = 0x000210025D130800,
+ .num_endpoints = 1,
+ .endpoints = &single_endpoint,
+ }
+};
+
+static const struct snd_soc_acpi_adr_device rt1308_1_group1_adr[] = {
+ {
+ .adr = 0x000110025D130800,
+ .num_endpoints = 1,
+ .endpoints = &spk_l_endpoint,
+ }
+};
+
+static const struct snd_soc_acpi_adr_device rt1308_2_group1_adr[] = {
+ {
+ .adr = 0x000210025D130800,
+ .num_endpoints = 1,
+ .endpoints = &spk_r_endpoint,
+ }
+};
+
+static const struct snd_soc_acpi_adr_device rt715_3_adr[] = {
+ {
+ .adr = 0x000310025D071500,
+ .num_endpoints = 1,
+ .endpoints = &single_endpoint,
+ }
};
static const struct snd_soc_acpi_link_adr cml_3_in_1_default[] = {
{
.mask = BIT(0),
.num_adr = ARRAY_SIZE(rt711_0_adr),
- .adr = rt711_0_adr,
+ .adr_d = rt711_0_adr,
},
{
.mask = BIT(1),
- .num_adr = ARRAY_SIZE(rt1308_1_adr),
- .adr = rt1308_1_adr,
+ .num_adr = ARRAY_SIZE(rt1308_1_group1_adr),
+ .adr_d = rt1308_1_group1_adr,
},
{
.mask = BIT(2),
- .num_adr = ARRAY_SIZE(rt1308_2_adr),
- .adr = rt1308_2_adr,
+ .num_adr = ARRAY_SIZE(rt1308_2_group1_adr),
+ .adr_d = rt1308_2_group1_adr,
},
{
.mask = BIT(3),
.num_adr = ARRAY_SIZE(rt715_3_adr),
- .adr = rt715_3_adr,
+ .adr_d = rt715_3_adr,
},
{}
};
@@ -103,17 +156,17 @@ static const struct snd_soc_acpi_link_adr cml_3_in_1_mono_amp[] = {
{
.mask = BIT(0),
.num_adr = ARRAY_SIZE(rt711_0_adr),
- .adr = rt711_0_adr,
+ .adr_d = rt711_0_adr,
},
{
.mask = BIT(1),
.num_adr = ARRAY_SIZE(rt1308_1_adr),
- .adr = rt1308_1_adr,
+ .adr_d = rt1308_1_adr,
},
{
.mask = BIT(3),
.num_adr = ARRAY_SIZE(rt715_3_adr),
- .adr = rt715_3_adr,
+ .adr_d = rt715_3_adr,
},
{}
};
diff --git a/sound/soc/intel/common/soc-acpi-intel-icl-match.c b/sound/soc/intel/common/soc-acpi-intel-icl-match.c
index 752733013d54..a05fc083829e 100644
--- a/sound/soc/intel/common/soc-acpi-intel-icl-match.c
+++ b/sound/soc/intel/common/soc-acpi-intel-icl-match.c
@@ -33,55 +33,112 @@ struct snd_soc_acpi_mach snd_soc_acpi_intel_icl_machines[] = {
};
EXPORT_SYMBOL_GPL(snd_soc_acpi_intel_icl_machines);
-static const u64 rt700_0_adr[] = {
- 0x000010025D070000
+static const struct snd_soc_acpi_endpoint single_endpoint = {
+ .num = 0,
+ .aggregated = 0,
+ .group_position = 0,
+ .group_id = 0,
+};
+
+static const struct snd_soc_acpi_endpoint spk_l_endpoint = {
+ .num = 0,
+ .aggregated = 1,
+ .group_position = 0,
+ .group_id = 1,
+};
+
+static const struct snd_soc_acpi_endpoint spk_r_endpoint = {
+ .num = 0,
+ .aggregated = 1,
+ .group_position = 1,
+ .group_id = 1,
+};
+
+static const struct snd_soc_acpi_adr_device rt700_0_adr[] = {
+ {
+ .adr = 0x000010025D070000,
+ .num_endpoints = 1,
+ .endpoints = &single_endpoint,
+ }
};
static const struct snd_soc_acpi_link_adr icl_rvp[] = {
{
.mask = BIT(0),
.num_adr = ARRAY_SIZE(rt700_0_adr),
- .adr = rt700_0_adr,
+ .adr_d = rt700_0_adr,
},
{}
};
-static const u64 rt711_0_adr[] = {
- 0x000010025D071100
+static const struct snd_soc_acpi_adr_device rt711_0_adr[] = {
+ {
+ .adr = 0x000010025D071100,
+ .num_endpoints = 1,
+ .endpoints = &single_endpoint,
+ }
+};
+
+static const struct snd_soc_acpi_adr_device rt1308_1_adr[] = {
+ {
+ .adr = 0x000110025D130800,
+ .num_endpoints = 1,
+ .endpoints = &single_endpoint,
+ }
};
-static const u64 rt1308_1_adr[] = {
- 0x000110025D130800
+static const struct snd_soc_acpi_adr_device rt1308_2_adr[] = {
+ {
+ .adr = 0x000210025D130800,
+ .num_endpoints = 1,
+ .endpoints = &single_endpoint,
+ }
};
-static const u64 rt1308_2_adr[] = {
- 0x000210025D130800
+static const struct snd_soc_acpi_adr_device rt1308_1_group1_adr[] = {
+ {
+ .adr = 0x000110025D130800,
+ .num_endpoints = 1,
+ .endpoints = &spk_l_endpoint,
+ }
};
-static const u64 rt715_3_adr[] = {
- 0x000310025D071500
+static const struct snd_soc_acpi_adr_device rt1308_2_group1_adr[] = {
+ {
+ .adr = 0x000210025D130800,
+ .num_endpoints = 1,
+ .endpoints = &spk_r_endpoint,
+ }
+};
+
+static const struct snd_soc_acpi_adr_device rt715_3_adr[] = {
+ {
+ .adr = 0x000310025D071500,
+ .num_endpoints = 1,
+ .endpoints = &single_endpoint,
+ }
};
static const struct snd_soc_acpi_link_adr icl_3_in_1_default[] = {
{
.mask = BIT(0),
.num_adr = ARRAY_SIZE(rt711_0_adr),
- .adr = rt711_0_adr,
+ .adr_d = rt711_0_adr,
},
{
.mask = BIT(1),
- .num_adr = ARRAY_SIZE(rt1308_1_adr),
- .adr = rt1308_1_adr,
+ .num_adr = ARRAY_SIZE(rt1308_1_group1_adr),
+ .adr_d = rt1308_1_group1_adr,
},
{
.mask = BIT(2),
- .num_adr = ARRAY_SIZE(rt1308_2_adr),
- .adr = rt1308_2_adr,
+ .num_adr = ARRAY_SIZE(rt1308_2_group1_adr),
+ .adr_d = rt1308_2_group1_adr,
},
{
.mask = BIT(3),
.num_adr = ARRAY_SIZE(rt715_3_adr),
- .adr = rt715_3_adr,
+ .adr_d = rt715_3_adr,
},
{}
};
@@ -90,17 +147,17 @@ static const struct snd_soc_acpi_link_adr icl_3_in_1_mono_amp[] = {
{
.mask = BIT(0),
.num_adr = ARRAY_SIZE(rt711_0_adr),
- .adr = rt711_0_adr,
+ .adr_d = rt711_0_adr,
},
{
.mask = BIT(1),
.num_adr = ARRAY_SIZE(rt1308_1_adr),
- .adr = rt1308_1_adr,
+ .adr_d = rt1308_1_adr,
},
{
.mask = BIT(3),
.num_adr = ARRAY_SIZE(rt715_3_adr),
- .adr = rt715_3_adr,
+ .adr_d = rt715_3_adr,
},
{}
};
diff --git a/sound/soc/intel/common/soc-acpi-intel-tgl-match.c b/sound/soc/intel/common/soc-acpi-intel-tgl-match.c
index c15eae402b18..3153b44f9053 100644
--- a/sound/soc/intel/common/soc-acpi-intel-tgl-match.c
+++ b/sound/soc/intel/common/soc-acpi-intel-tgl-match.c
@@ -14,20 +14,53 @@ static struct snd_soc_acpi_codecs tgl_codecs = {
.codecs = {"MX98357A"}
};
-static const u64 rt711_0_adr[] = {
- 0x000010025D071100
+static const struct snd_soc_acpi_endpoint single_endpoint = {
+ .num = 0,
+ .aggregated = 0,
+ .group_position = 0,
+ .group_id = 0,
};
-static const u64 rt1308_1_adr[] = {
- 0x000120025D130800,
- 0x000122025D130800
+static const struct snd_soc_acpi_endpoint spk_l_endpoint = {
+ .num = 0,
+ .aggregated = 1,
+ .group_position = 0,
+ .group_id = 1,
+};
+
+static const struct snd_soc_acpi_endpoint spk_r_endpoint = {
+ .num = 0,
+ .aggregated = 1,
+ .group_position = 1,
+ .group_id = 1,
+};
+
+static const struct snd_soc_acpi_adr_device rt711_0_adr[] = {
+ {
+ .adr = 0x000010025D071100,
+ .num_endpoints = 1,
+ .endpoints = &single_endpoint,
+ }
+};
+
+static const struct snd_soc_acpi_adr_device rt1308_1_adr[] = {
+ {
+ .adr = 0x000120025D130800,
+ .num_endpoints = 1,
+ .endpoints = &spk_l_endpoint,
+ },
+ {
+ .adr = 0x000122025D130800,
+ .num_endpoints = 1,
+ .endpoints = &spk_r_endpoint,
+ }
};
static const struct snd_soc_acpi_link_adr tgl_i2s_rt1308[] = {
{
.mask = BIT(0),
.num_adr = ARRAY_SIZE(rt711_0_adr),
- .adr = rt711_0_adr,
+ .adr_d = rt711_0_adr,
},
{}
};
@@ -36,12 +69,12 @@ static const struct snd_soc_acpi_link_adr tgl_rvp[] = {
{
.mask = BIT(0),
.num_adr = ARRAY_SIZE(rt711_0_adr),
- .adr = rt711_0_adr,
+ .adr_d = rt711_0_adr,
},
{
.mask = BIT(1),
.num_adr = ARRAY_SIZE(rt1308_1_adr),
- .adr = rt1308_1_adr,
+ .adr_d = rt1308_1_adr,
},
{}
};
diff --git a/sound/soc/sof/intel/hda-ctrl.c b/sound/soc/sof/intel/hda-ctrl.c
index f88dbcc4ba66..6288b2f99540 100644
--- a/sound/soc/sof/intel/hda-ctrl.c
+++ b/sound/soc/sof/intel/hda-ctrl.c
@@ -65,15 +65,32 @@ int hda_dsp_ctrl_get_caps(struct snd_sof_dev *sdev)
struct hdac_bus *bus = sof_to_bus(sdev);
u32 cap, offset, feature;
int count = 0;
+ int ret;
+
+ /*
+ * On some devices, one reset cycle is necessary before reading
+ * capabilities
+ */
+ ret = hda_dsp_ctrl_link_reset(sdev, true);
+ if (ret < 0)
+ return ret;
+ ret = hda_dsp_ctrl_link_reset(sdev, false);
+ if (ret < 0)
+ return ret;
offset = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_LLCH);
do {
- cap = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, offset);
-
dev_dbg(sdev->dev, "checking for capabilities at offset 0x%x\n",
offset & SOF_HDA_CAP_NEXT_MASK);
+ cap = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, offset);
+
+ if (cap == -1) {
+ dev_dbg(bus->dev, "Invalid capability reg read\n");
+ break;
+ }
+
feature = (cap & SOF_HDA_CAP_ID_MASK) >> SOF_HDA_CAP_ID_OFF;
switch (feature) {
@@ -106,8 +123,8 @@ int hda_dsp_ctrl_get_caps(struct snd_sof_dev *sdev)
bus->mlcap = bus->remap_addr + offset;
break;
default:
- dev_vdbg(sdev->dev, "found capability %d at 0x%x\n",
- feature, offset);
+ dev_dbg(sdev->dev, "found capability %d at 0x%x\n",
+ feature, offset);
break;
}
diff --git a/sound/soc/sof/intel/hda-dsp.c b/sound/soc/sof/intel/hda-dsp.c
index c396b7ef0328..1aff90042694 100644
--- a/sound/soc/sof/intel/hda-dsp.c
+++ b/sound/soc/sof/intel/hda-dsp.c
@@ -594,6 +594,8 @@ static int hda_suspend(struct snd_sof_dev *sdev, bool runtime_suspend)
#endif
int ret;
+ hda_sdw_int_enable(sdev, false);
+
/* disable IPC interrupts */
hda_dsp_ipc_int_disable(sdev);
diff --git a/sound/soc/sof/intel/hda-loader.c b/sound/soc/sof/intel/hda-loader.c
index 0633b76dab49..e1550ccd0a49 100644
--- a/sound/soc/sof/intel/hda-loader.c
+++ b/sound/soc/sof/intel/hda-loader.c
@@ -347,6 +347,24 @@ int hda_dsp_cl_boot_firmware(struct snd_sof_dev *sdev)
}
/*
+ * When a SoundWire link is in clock stop state, a Slave
+ * device may trigger in-band wakes for events such as jack
+ * insertion or acoustic event detection. This event will lead
+ * to a WAKEEN interrupt, handled by the PCI device and routed
+ * to PME if the PCI device is in D3. The resume function in
+ * audio PCI driver will be invoked by ACPI for PME event and
+ * initialize the device and process WAKEEN interrupt.
+ *
+ * The WAKEEN interrupt should be processed ASAP to prevent an
+ * interrupt flood, otherwise other interrupts, such IPC,
+ * cannot work normally. The WAKEEN is handled after the ROM
+ * is initialized successfully, which ensures power rails are
+ * enabled before accessing the SoundWire SHIM registers
+ */
+ if (!sdev->first_boot)
+ hda_sdw_process_wakeen(sdev);
+
+ /*
* at this point DSP ROM has been initialized and
* should be ready for code loading and firmware boot
*/
@@ -399,6 +417,19 @@ int hda_dsp_pre_fw_run(struct snd_sof_dev *sdev)
/* post fw run operations */
int hda_dsp_post_fw_run(struct snd_sof_dev *sdev)
{
+ int ret;
+
+ if (sdev->first_boot) {
+ ret = hda_sdw_startup(sdev);
+ if (ret < 0) {
+ dev_err(sdev->dev,
+ "error: could not startup SoundWire links\n");
+ return ret;
+ }
+ }
+
+ hda_sdw_int_enable(sdev, true);
+
/* re-enable clock gating and power gating */
return hda_dsp_ctrl_clock_power_gating(sdev, true);
}
diff --git a/sound/soc/sof/intel/hda.c b/sound/soc/sof/intel/hda.c
index ee1edb53840c..211e91e79eae 100644
--- a/sound/soc/sof/intel/hda.c
+++ b/sound/soc/sof/intel/hda.c
@@ -18,10 +18,14 @@
#include <sound/hdaudio_ext.h>
#include <sound/hda_register.h>
+#include <linux/acpi.h>
#include <linux/module.h>
+#include <linux/soundwire/sdw.h>
+#include <linux/soundwire/sdw_intel.h>
#include <sound/intel-nhlt.h>
#include <sound/sof.h>
#include <sound/sof/xtensa.h>
+#include "../sof-audio.h"
#include "../ops.h"
#include "hda.h"
@@ -34,6 +38,235 @@
#define EXCEPT_MAX_HDR_SIZE 0x400
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
+
+/*
+ * The default for SoundWire clock stop quirks is to power gate the IP
+ * and do a Bus Reset, this will need to be modified when the DSP
+ * needs to remain in D0i3 so that the Master does not lose context
+ * and enumeration is not required on clock restart
+ */
+static int sdw_clock_stop_quirks = SDW_INTEL_CLK_STOP_BUS_RESET;
+module_param(sdw_clock_stop_quirks, int, 0444);
+MODULE_PARM_DESC(sdw_clock_stop_quirks, "SOF SoundWire clock stop quirks");
+
+static int sdw_params_stream(struct device *dev,
+ struct sdw_intel_stream_params_data *params_data)
+{
+ struct snd_sof_dev *sdev = dev_get_drvdata(dev);
+ struct snd_soc_dai *d = params_data->dai;
+ struct sof_ipc_dai_config config;
+ struct sof_ipc_reply reply;
+ int link_id = params_data->link_id;
+ int alh_stream_id = params_data->alh_stream_id;
+ int ret;
+ u32 size = sizeof(config);
+
+ memset(&config, 0, size);
+ config.hdr.size = size;
+ config.hdr.cmd = SOF_IPC_GLB_DAI_MSG | SOF_IPC_DAI_CONFIG;
+ config.type = SOF_DAI_INTEL_ALH;
+ config.dai_index = (link_id << 8) | (d->id);
+ config.alh.stream_id = alh_stream_id;
+
+ /* send message to DSP */
+ ret = sof_ipc_tx_message(sdev->ipc,
+ config.hdr.cmd, &config, size, &reply,
+ sizeof(reply));
+ if (ret < 0) {
+ dev_err(sdev->dev,
+ "error: failed to set DAI hw_params for link %d dai->id %d ALH %d\n",
+ link_id, d->id, alh_stream_id);
+ }
+
+ return ret;
+}
+
+static int sdw_free_stream(struct device *dev,
+ struct sdw_intel_stream_free_data *free_data)
+{
+ struct snd_sof_dev *sdev = dev_get_drvdata(dev);
+ struct snd_soc_dai *d = free_data->dai;
+ struct sof_ipc_dai_config config;
+ struct sof_ipc_reply reply;
+ int link_id = free_data->link_id;
+ int ret;
+ u32 size = sizeof(config);
+
+ memset(&config, 0, size);
+ config.hdr.size = size;
+ config.hdr.cmd = SOF_IPC_GLB_DAI_MSG | SOF_IPC_DAI_CONFIG;
+ config.type = SOF_DAI_INTEL_ALH;
+ config.dai_index = (link_id << 8) | d->id;
+ config.alh.stream_id = 0xFFFF; /* invalid value on purpose */
+
+ /* send message to DSP */
+ ret = sof_ipc_tx_message(sdev->ipc,
+ config.hdr.cmd, &config, size, &reply,
+ sizeof(reply));
+ if (ret < 0) {
+ dev_err(sdev->dev,
+ "error: failed to free stream for link %d dai->id %d\n",
+ link_id, d->id);
+ }
+
+ return ret;
+}
+
+static const struct sdw_intel_ops sdw_callback = {
+ .params_stream = sdw_params_stream,
+ .free_stream = sdw_free_stream,
+};
+
+void hda_sdw_int_enable(struct snd_sof_dev *sdev, bool enable)
+{
+ sdw_intel_enable_irq(sdev->bar[HDA_DSP_BAR], enable);
+}
+
+static int hda_sdw_acpi_scan(struct snd_sof_dev *sdev)
+{
+ struct sof_intel_hda_dev *hdev;
+ acpi_handle handle;
+ int ret;
+
+ handle = ACPI_HANDLE(sdev->dev);
+
+ /* save ACPI info for the probe step */
+ hdev = sdev->pdata->hw_pdata;
+
+ ret = sdw_intel_acpi_scan(handle, &hdev->info);
+ if (ret < 0) {
+ dev_err(sdev->dev, "%s failed\n", __func__);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int hda_sdw_probe(struct snd_sof_dev *sdev)
+{
+ struct sof_intel_hda_dev *hdev;
+ struct sdw_intel_res res;
+ void *sdw;
+
+ hdev = sdev->pdata->hw_pdata;
+
+ memset(&res, 0, sizeof(res));
+
+ res.mmio_base = sdev->bar[HDA_DSP_BAR];
+ res.irq = sdev->ipc_irq;
+ res.handle = hdev->info.handle;
+ res.parent = sdev->dev;
+ res.ops = &sdw_callback;
+ res.dev = sdev->dev;
+ res.clock_stop_quirks = sdw_clock_stop_quirks;
+
+ /*
+ * ops and arg fields are not populated for now,
+ * they will be needed when the DAI callbacks are
+ * provided
+ */
+
+ /* we could filter links here if needed, e.g for quirks */
+ res.count = hdev->info.count;
+ res.link_mask = hdev->info.link_mask;
+
+ sdw = sdw_intel_probe(&res);
+ if (!sdw) {
+ dev_err(sdev->dev, "error: SoundWire probe failed\n");
+ return -EINVAL;
+ }
+
+ /* save context */
+ hdev->sdw = sdw;
+
+ return 0;
+}
+
+int hda_sdw_startup(struct snd_sof_dev *sdev)
+{
+ struct sof_intel_hda_dev *hdev;
+
+ hdev = sdev->pdata->hw_pdata;
+
+ if (!hdev->sdw)
+ return 0;
+
+ return sdw_intel_startup(hdev->sdw);
+}
+
+static int hda_sdw_exit(struct snd_sof_dev *sdev)
+{
+ struct sof_intel_hda_dev *hdev;
+
+ hdev = sdev->pdata->hw_pdata;
+
+ hda_sdw_int_enable(sdev, false);
+
+ if (hdev->sdw)
+ sdw_intel_exit(hdev->sdw);
+ hdev->sdw = NULL;
+
+ return 0;
+}
+
+static bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev)
+{
+ struct sof_intel_hda_dev *hdev;
+ bool ret = false;
+ u32 irq_status;
+
+ hdev = sdev->pdata->hw_pdata;
+
+ if (!hdev->sdw)
+ return ret;
+
+ /* store status */
+ irq_status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS2);
+
+ /* invalid message ? */
+ if (irq_status == 0xffffffff)
+ goto out;
+
+ /* SDW message ? */
+ if (irq_status & HDA_DSP_REG_ADSPIS2_SNDW)
+ ret = true;
+
+out:
+ return ret;
+}
+
+static irqreturn_t hda_dsp_sdw_thread(int irq, void *context)
+{
+ return sdw_intel_thread(irq, context);
+}
+
+static bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev)
+{
+ struct sof_intel_hda_dev *hdev;
+
+ hdev = sdev->pdata->hw_pdata;
+ if (hdev->sdw &&
+ snd_sof_dsp_read(sdev, HDA_DSP_BAR,
+ HDA_DSP_REG_SNDW_WAKE_STS))
+ return true;
+
+ return false;
+}
+
+void hda_sdw_process_wakeen(struct snd_sof_dev *sdev)
+{
+ struct sof_intel_hda_dev *hdev;
+
+ hdev = sdev->pdata->hw_pdata;
+ if (!hdev->sdw)
+ return;
+
+ sdw_intel_process_wakeen_event(hdev->sdw);
+}
+
+#endif
+
/*
* Debug
*/
@@ -346,9 +579,12 @@ static const char *fixup_tplg_name(struct snd_sof_dev *sdev,
static int hda_init_caps(struct snd_sof_dev *sdev)
{
struct hdac_bus *bus = sof_to_bus(sdev);
+ struct snd_sof_pdata *pdata = sdev->pdata;
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
struct hdac_ext_link *hlink;
#endif
+ struct sof_intel_hda_dev *hdev = pdata->hw_pdata;
+ u32 link_mask;
int ret = 0;
device_disable_async_suspend(bus->dev);
@@ -365,6 +601,34 @@ static int hda_init_caps(struct snd_sof_dev *sdev)
return ret;
}
+ /* scan SoundWire capabilities exposed by DSDT */
+ ret = hda_sdw_acpi_scan(sdev);
+ if (ret < 0) {
+ dev_dbg(sdev->dev, "skipping SoundWire, ACPI scan error\n");
+ goto skip_soundwire;
+ }
+
+ link_mask = hdev->info.link_mask;
+ if (!link_mask) {
+ dev_dbg(sdev->dev, "skipping SoundWire, no links enabled\n");
+ goto skip_soundwire;
+ }
+
+ /*
+ * probe/allocate SoundWire resources.
+ * The hardware configuration takes place in hda_sdw_startup
+ * after power rails are enabled.
+ * It's entirely possible to have a mix of I2S/DMIC/SoundWire
+ * devices, so we allocate the resources in all cases.
+ */
+ ret = hda_sdw_probe(sdev);
+ if (ret < 0) {
+ dev_err(sdev->dev, "error: SoundWire probe error\n");
+ return ret;
+ }
+
+skip_soundwire:
+
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
if (bus->mlcap)
snd_hdac_ext_bus_get_ml_capabilities(bus);
@@ -421,6 +685,7 @@ static irqreturn_t hda_dsp_interrupt_handler(int irq, void *context)
static irqreturn_t hda_dsp_interrupt_thread(int irq, void *context)
{
struct snd_sof_dev *sdev = context;
+ struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
/* deal with streams and controller first */
if (hda_dsp_check_stream_irq(sdev))
@@ -429,6 +694,12 @@ static irqreturn_t hda_dsp_interrupt_thread(int irq, void *context)
if (hda_dsp_check_ipc_irq(sdev))
sof_ops(sdev)->irq_thread(irq, sdev);
+ if (hda_dsp_check_sdw_irq(sdev))
+ hda_dsp_sdw_thread(irq, hdev->sdw);
+
+ if (hda_sdw_check_wakeen_irq(sdev))
+ hda_sdw_process_wakeen(sdev);
+
/* enable GIE interrupt */
snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
SOF_HDA_INTCTL,
@@ -622,6 +893,8 @@ int hda_dsp_remove(struct snd_sof_dev *sdev)
snd_hdac_ext_bus_device_remove(bus);
#endif
+ hda_sdw_exit(sdev);
+
if (!IS_ERR_OR_NULL(hda->dmic_dev))
platform_device_unregister(hda->dmic_dev);
@@ -758,6 +1031,123 @@ static int hda_generic_machine_select(struct snd_sof_dev *sdev)
}
#endif
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
+/* Check if all Slaves defined on the link can be found */
+static bool link_slaves_found(struct snd_sof_dev *sdev,
+ const struct snd_soc_acpi_link_adr *link,
+ struct sdw_intel_ctx *sdw)
+{
+ struct hdac_bus *bus = sof_to_bus(sdev);
+ struct sdw_intel_slave_id *ids = sdw->ids;
+ int num_slaves = sdw->num_slaves;
+ unsigned int part_id, link_id, unique_id, mfg_id;
+ int i, j;
+
+ for (i = 0; i < link->num_adr; i++) {
+ u64 adr = link->adr_d[i].adr;
+
+ mfg_id = SDW_MFG_ID(adr);
+ part_id = SDW_PART_ID(adr);
+ link_id = SDW_DISCO_LINK_ID(adr);
+ for (j = 0; j < num_slaves; j++) {
+ if (ids[j].link_id != link_id ||
+ ids[j].id.part_id != part_id ||
+ ids[j].id.mfg_id != mfg_id)
+ continue;
+ /*
+ * we have to check unique id
+ * if there is more than one
+ * Slave on the link
+ */
+ unique_id = SDW_UNIQUE_ID(adr);
+ if (link->num_adr == 1 ||
+ ids[j].id.unique_id == SDW_IGNORED_UNIQUE_ID ||
+ ids[j].id.unique_id == unique_id) {
+ dev_dbg(bus->dev,
+ "found %x at link %d\n",
+ part_id, link_id);
+ break;
+ }
+ }
+ if (j == num_slaves) {
+ dev_dbg(bus->dev,
+ "Slave %x not found\n",
+ part_id);
+ return false;
+ }
+ }
+ return true;
+}
+
+static int hda_sdw_machine_select(struct snd_sof_dev *sdev)
+{
+ struct snd_sof_pdata *pdata = sdev->pdata;
+ const struct snd_soc_acpi_link_adr *link;
+ struct hdac_bus *bus = sof_to_bus(sdev);
+ struct snd_soc_acpi_mach *mach;
+ struct sof_intel_hda_dev *hdev;
+ u32 link_mask;
+ int i;
+
+ hdev = pdata->hw_pdata;
+ link_mask = hdev->info.link_mask;
+
+ /*
+ * Select SoundWire machine driver if needed using the
+ * alternate tables. This case deals with SoundWire-only
+ * machines, for mixed cases with I2C/I2S the detection relies
+ * on the HID list.
+ */
+ if (link_mask && !pdata->machine) {
+ for (mach = pdata->desc->alt_machines;
+ mach && mach->link_mask; mach++) {
+ if (mach->link_mask != link_mask)
+ continue;
+
+ /* No need to match adr if there is no links defined */
+ if (!mach->links)
+ break;
+
+ link = mach->links;
+ for (i = 0; i < hdev->info.count && link->num_adr;
+ i++, link++) {
+ /*
+ * Try next machine if any expected Slaves
+ * are not found on this link.
+ */
+ if (!link_slaves_found(sdev, link, hdev->sdw))
+ break;
+ }
+ /* Found if all Slaves are checked */
+ if (i == hdev->info.count || !link->num_adr)
+ break;
+ }
+ if (mach && mach->link_mask) {
+ dev_dbg(bus->dev,
+ "SoundWire machine driver %s topology %s\n",
+ mach->drv_name,
+ mach->sof_tplg_filename);
+ pdata->machine = mach;
+ mach->mach_params.links = mach->links;
+ mach->mach_params.link_mask = mach->link_mask;
+ mach->mach_params.platform = dev_name(sdev->dev);
+ pdata->fw_filename = mach->sof_fw_filename;
+ pdata->tplg_filename = mach->sof_tplg_filename;
+ } else {
+ dev_info(sdev->dev,
+ "No SoundWire machine driver found\n");
+ }
+ }
+
+ return 0;
+}
+#else
+static int hda_sdw_machine_select(struct snd_sof_dev *sdev)
+{
+ return 0;
+}
+#endif
+
void hda_set_mach_params(const struct snd_soc_acpi_mach *mach,
struct device *dev)
{
@@ -777,9 +1167,19 @@ void hda_machine_select(struct snd_sof_dev *sdev)
if (mach) {
sof_pdata->tplg_filename = mach->sof_tplg_filename;
sof_pdata->machine = mach;
+
+ if (mach->link_mask) {
+ mach->mach_params.links = mach->links;
+ mach->mach_params.link_mask = mach->link_mask;
+ }
}
/*
+ * If I2S fails, try SoundWire
+ */
+ hda_sdw_machine_select(sdev);
+
+ /*
* Choose HDA generic machine driver if mach is NULL.
* Otherwise, set certain mach params.
*/
diff --git a/sound/soc/sof/intel/hda.h b/sound/soc/sof/intel/hda.h
index 2a57fc9f3e58..e9825798de77 100644
--- a/sound/soc/sof/intel/hda.h
+++ b/sound/soc/sof/intel/hda.h
@@ -11,6 +11,8 @@
#ifndef __SOF_INTEL_HDA_H
#define __SOF_INTEL_HDA_H
+#include <linux/soundwire/sdw.h>
+#include <linux/soundwire/sdw_intel.h>
#include <sound/compress_driver.h>
#include <sound/hda_codec.h>
#include <sound/hdaudio_ext.h>
@@ -230,6 +232,9 @@
#define HDA_DSP_REG_ADSPIC2 (HDA_DSP_GEN_BASE + 0x10)
#define HDA_DSP_REG_ADSPIS2 (HDA_DSP_GEN_BASE + 0x14)
+#define HDA_DSP_REG_ADSPIS2_SNDW BIT(5)
+#define HDA_DSP_REG_SNDW_WAKE_STS 0x2C192
+
/* Intel HD Audio Inter-Processor Communication Registers */
#define HDA_DSP_IPC_BASE 0x40
#define HDA_DSP_REG_HIPCT (HDA_DSP_IPC_BASE + 0x00)
@@ -436,6 +441,12 @@ struct sof_intel_hda_dev {
/* delayed work to enter D0I3 opportunistically */
struct delayed_work d0i3_work;
+
+ /* ACPI information stored between scan and probe steps */
+ struct sdw_intel_acpi_info info;
+
+ /* sdw context allocated by SoundWire driver */
+ struct sdw_intel_ctx *sdw;
};
static inline struct hdac_bus *sof_to_bus(struct snd_sof_dev *s)
@@ -654,6 +665,61 @@ int hda_dsp_trace_init(struct snd_sof_dev *sdev, u32 *stream_tag);
int hda_dsp_trace_release(struct snd_sof_dev *sdev);
int hda_dsp_trace_trigger(struct snd_sof_dev *sdev, int cmd);
+/*
+ * SoundWire support
+ */
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
+
+int hda_sdw_startup(struct snd_sof_dev *sdev);
+void hda_sdw_int_enable(struct snd_sof_dev *sdev, bool enable);
+void hda_sdw_process_wakeen(struct snd_sof_dev *sdev);
+
+#else
+
+static inline int hda_sdw_acpi_scan(struct snd_sof_dev *sdev)
+{
+ return 0;
+}
+
+static inline int hda_sdw_probe(struct snd_sof_dev *sdev)
+{
+ return 0;
+}
+
+static inline int hda_sdw_startup(struct snd_sof_dev *sdev)
+{
+ return 0;
+}
+
+static inline int hda_sdw_exit(struct snd_sof_dev *sdev)
+{
+ return 0;
+}
+
+static inline void hda_sdw_int_enable(struct snd_sof_dev *sdev, bool enable)
+{
+}
+
+static inline bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev)
+{
+ return false;
+}
+
+static inline irqreturn_t hda_dsp_sdw_thread(int irq, void *context)
+{
+ return IRQ_HANDLED;
+}
+
+static inline bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev)
+{
+ return false;
+}
+
+static inline void hda_sdw_process_wakeen(struct snd_sof_dev *sdev)
+{
+}
+#endif
+
/* common dai driver */
extern struct snd_soc_dai_driver skl_dai[];
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 18:31:21 +0000