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Diffstat (limited to 'sound/soc/intel/skylake/skl.c')
-rw-r--r--sound/soc/intel/skylake/skl.c155
1 files changed, 150 insertions, 5 deletions
diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c
index c38bf99ced10..ab5e25aaeee3 100644
--- a/sound/soc/intel/skylake/skl.c
+++ b/sound/soc/intel/skylake/skl.c
@@ -25,9 +25,15 @@
#include <linux/pci.h>
#include <linux/pm_runtime.h>
#include <linux/platform_device.h>
+#include <linux/firmware.h>
#include <sound/pcm.h>
#include "../common/sst-acpi.h"
+#include <sound/hda_register.h>
+#include <sound/hdaudio.h>
+#include <sound/hda_i915.h>
#include "skl.h"
+#include "skl-sst-dsp.h"
+#include "skl-sst-ipc.h"
/*
* initialize the PCI registers
@@ -58,6 +64,49 @@ static void skl_init_pci(struct skl *skl)
skl_update_pci_byte(skl->pci, AZX_PCIREG_TCSEL, 0x07, 0);
}
+static void update_pci_dword(struct pci_dev *pci,
+ unsigned int reg, u32 mask, u32 val)
+{
+ u32 data = 0;
+
+ pci_read_config_dword(pci, reg, &data);
+ data &= ~mask;
+ data |= (val & mask);
+ pci_write_config_dword(pci, reg, data);
+}
+
+/*
+ * skl_enable_miscbdcge - enable/dsiable CGCTL.MISCBDCGE bits
+ *
+ * @dev: device pointer
+ * @enable: enable/disable flag
+ */
+static void skl_enable_miscbdcge(struct device *dev, bool enable)
+{
+ struct pci_dev *pci = to_pci_dev(dev);
+ u32 val;
+
+ val = enable ? AZX_CGCTL_MISCBDCGE_MASK : 0;
+
+ update_pci_dword(pci, AZX_PCIREG_CGCTL, AZX_CGCTL_MISCBDCGE_MASK, val);
+}
+
+/*
+ * While performing reset, controller may not come back properly causing
+ * issues, so recommendation is to set CGCTL.MISCBDCGE to 0 then do reset
+ * (init chip) and then again set CGCTL.MISCBDCGE to 1
+ */
+static int skl_init_chip(struct hdac_bus *bus, bool full_reset)
+{
+ int ret;
+
+ skl_enable_miscbdcge(bus->dev, false);
+ ret = snd_hdac_bus_init_chip(bus, full_reset);
+ skl_enable_miscbdcge(bus->dev, true);
+
+ return ret;
+}
+
/* called from IRQ */
static void skl_stream_update(struct hdac_bus *bus, struct hdac_stream *hstr)
{
@@ -144,7 +193,9 @@ static int _skl_suspend(struct hdac_ext_bus *ebus)
return ret;
snd_hdac_bus_stop_chip(bus);
+ skl_enable_miscbdcge(bus->dev, false);
snd_hdac_bus_enter_link_reset(bus);
+ skl_enable_miscbdcge(bus->dev, true);
return 0;
}
@@ -155,7 +206,7 @@ static int _skl_resume(struct hdac_ext_bus *ebus)
struct hdac_bus *bus = ebus_to_hbus(ebus);
skl_init_pci(skl);
- snd_hdac_bus_init_chip(bus, true);
+ skl_init_chip(bus, true);
return skl_resume_dsp(skl);
}
@@ -170,12 +221,15 @@ static int skl_suspend(struct device *dev)
struct pci_dev *pci = to_pci_dev(dev);
struct hdac_ext_bus *ebus = pci_get_drvdata(pci);
struct skl *skl = ebus_to_skl(ebus);
+ struct hdac_bus *bus = ebus_to_hbus(ebus);
/*
* Do not suspend if streams which are marked ignore suspend are
* running, we need to save the state for these and continue
*/
if (skl->supend_active) {
+ snd_hdac_ext_bus_link_power_down_all(ebus);
+ enable_irq_wake(bus->irq);
pci_save_state(pci);
pci_disable_device(pci);
return 0;
@@ -189,8 +243,19 @@ static int skl_resume(struct device *dev)
struct pci_dev *pci = to_pci_dev(dev);
struct hdac_ext_bus *ebus = pci_get_drvdata(pci);
struct skl *skl = ebus_to_skl(ebus);
+ struct hdac_bus *bus = ebus_to_hbus(ebus);
int ret;
+ /* Turned OFF in HDMI codec driver after codec reconfiguration */
+ if (IS_ENABLED(CONFIG_SND_SOC_HDAC_HDMI)) {
+ ret = snd_hdac_display_power(bus, true);
+ if (ret < 0) {
+ dev_err(bus->dev,
+ "Cannot turn on display power on i915\n");
+ return ret;
+ }
+ }
+
/*
* resume only when we are not in suspend active, otherwise need to
* restore the device
@@ -198,6 +263,8 @@ static int skl_resume(struct device *dev)
if (skl->supend_active) {
pci_restore_state(pci);
ret = pci_enable_device(pci);
+ snd_hdac_ext_bus_link_power_up_all(ebus);
+ disable_irq_wake(bus->irq);
} else {
ret = _skl_resume(ebus);
}
@@ -379,7 +446,7 @@ static int skl_codec_create(struct hdac_ext_bus *ebus)
* back to the sanity state.
*/
snd_hdac_bus_stop_chip(bus);
- snd_hdac_bus_init_chip(bus, true);
+ skl_init_chip(bus, true);
}
}
}
@@ -427,6 +494,27 @@ static int skl_create(struct pci_dev *pci,
return 0;
}
+static int skl_i915_init(struct hdac_bus *bus)
+{
+ int err;
+
+ /*
+ * The HDMI codec is in GPU so we need to ensure that it is powered
+ * up and ready for probe
+ */
+ err = snd_hdac_i915_init(bus);
+ if (err < 0)
+ return err;
+
+ err = snd_hdac_display_power(bus, true);
+ if (err < 0) {
+ dev_err(bus->dev, "Cannot turn on display power on i915\n");
+ return err;
+ }
+
+ return err;
+}
+
static int skl_first_init(struct hdac_ext_bus *ebus)
{
struct skl *skl = ebus_to_skl(ebus);
@@ -489,7 +577,13 @@ static int skl_first_init(struct hdac_ext_bus *ebus)
/* initialize chip */
skl_init_pci(skl);
- snd_hdac_bus_init_chip(bus, true);
+ if (IS_ENABLED(CONFIG_SND_SOC_HDAC_HDMI)) {
+ err = skl_i915_init(bus);
+ if (err < 0)
+ return err;
+ }
+
+ skl_init_chip(bus, true);
/* codec detection */
if (!bus->codec_mask) {
@@ -519,11 +613,15 @@ static int skl_probe(struct pci_dev *pci,
if (err < 0)
goto out_free;
+ skl->pci_id = pci->device;
+
skl->nhlt = skl_nhlt_init(bus->dev);
if (skl->nhlt == NULL)
goto out_free;
+ skl_nhlt_update_topology_bin(skl);
+
pci_set_drvdata(skl->pci, ebus);
/* check if dsp is there */
@@ -538,6 +636,8 @@ static int skl_probe(struct pci_dev *pci,
dev_dbg(bus->dev, "error failed to register dsp\n");
goto out_mach_free;
}
+ skl->skl_sst->enable_miscbdcge = skl_enable_miscbdcge;
+
}
if (ebus->mlcap)
snd_hdac_ext_bus_get_ml_capabilities(ebus);
@@ -557,9 +657,15 @@ static int skl_probe(struct pci_dev *pci,
if (err < 0)
goto out_unregister;
+ if (IS_ENABLED(CONFIG_SND_SOC_HDAC_HDMI)) {
+ err = snd_hdac_display_power(bus, false);
+ if (err < 0) {
+ dev_err(bus->dev, "Cannot turn off display power on i915\n");
+ return err;
+ }
+ }
+
/*configure PM */
- pm_runtime_set_autosuspend_delay(bus->dev, SKL_SUSPEND_DELAY);
- pm_runtime_use_autosuspend(bus->dev);
pm_runtime_put_noidle(bus->dev);
pm_runtime_allow(bus->dev);
@@ -580,11 +686,42 @@ out_free:
return err;
}
+static void skl_shutdown(struct pci_dev *pci)
+{
+ struct hdac_ext_bus *ebus = pci_get_drvdata(pci);
+ struct hdac_bus *bus = ebus_to_hbus(ebus);
+ struct hdac_stream *s;
+ struct hdac_ext_stream *stream;
+ struct skl *skl;
+
+ if (ebus == NULL)
+ return;
+
+ skl = ebus_to_skl(ebus);
+
+ if (skl->init_failed)
+ return;
+
+ snd_hdac_ext_stop_streams(ebus);
+ list_for_each_entry(s, &bus->stream_list, list) {
+ stream = stream_to_hdac_ext_stream(s);
+ snd_hdac_ext_stream_decouple(ebus, stream, false);
+ }
+
+ snd_hdac_bus_stop_chip(bus);
+}
+
static void skl_remove(struct pci_dev *pci)
{
struct hdac_ext_bus *ebus = pci_get_drvdata(pci);
struct skl *skl = ebus_to_skl(ebus);
+ if (skl->tplg)
+ release_firmware(skl->tplg);
+
+ if (IS_ENABLED(CONFIG_SND_SOC_HDAC_HDMI))
+ snd_hdac_i915_exit(&ebus->bus);
+
if (pci_dev_run_wake(pci))
pm_runtime_get_noresume(&pci->dev);
pci_dev_put(pci);
@@ -605,11 +742,18 @@ static struct sst_acpi_mach sst_skl_devdata[] = {
{}
};
+static struct sst_acpi_mach sst_bxtp_devdata[] = {
+ { "INT343A", "bxt_alc298s_i2s", "intel/dsp_fw_bxtn.bin", NULL, NULL, NULL },
+};
+
/* PCI IDs */
static const struct pci_device_id skl_ids[] = {
/* Sunrise Point-LP */
{ PCI_DEVICE(0x8086, 0x9d70),
.driver_data = (unsigned long)&sst_skl_devdata},
+ /* BXT-P */
+ { PCI_DEVICE(0x8086, 0x5a98),
+ .driver_data = (unsigned long)&sst_bxtp_devdata},
{ 0, }
};
MODULE_DEVICE_TABLE(pci, skl_ids);
@@ -620,6 +764,7 @@ static struct pci_driver skl_driver = {
.id_table = skl_ids,
.probe = skl_probe,
.remove = skl_remove,
+ .shutdown = skl_shutdown,
.driver = {
.pm = &skl_pm,
},
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