ASoC: Intel: avs: PCI driver implementation

HD-Audio bus is a PCI device. Add all functions necessary to probe such
device along with its removal sequence. Behaviour implemented for all
standard operations is similar to existing solutions: sound/pci/hda and
sound/soc/intel/skylake.

Signed-off-by: Amadeusz Sławiński <[email protected]>
Signed-off-by: Cezary Rojewski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>

Author: crojewsk-intel

include/sound/intel-dsp-config.h

@@ -15,7 +15,8 @@ enum {
 	SND_INTEL_DSP_DRIVER_LEGACY,
 	SND_INTEL_DSP_DRIVER_SST,
 	SND_INTEL_DSP_DRIVER_SOF,
-	SND_INTEL_DSP_DRIVER_LAST = SND_INTEL_DSP_DRIVER_SOF
+	SND_INTEL_DSP_DRIVER_AVS,
+	SND_INTEL_DSP_DRIVER_LAST = SND_INTEL_DSP_DRIVER_AVS
 };
 
 #if IS_ENABLED(CONFIG_SND_INTEL_DSP_CONFIG)

sound/soc/intel/Kconfig

@@ -216,6 +216,7 @@ config SND_SOC_INTEL_AVS
 	depends on COMMON_CLK
 	select SND_SOC_ACPI if ACPI
 	select SND_SOC_TOPOLOGY
+	select SND_HDA
 	select SND_HDA_EXT_CORE
 	select SND_HDA_DSP_LOADER
 	select SND_INTEL_DSP_CONFIG

sound/soc/intel/avs/avs.h

@@ -126,6 +126,7 @@ struct avs_dev {
 	char **lib_names;
 
 	struct completion fw_ready;
+	struct work_struct probe_work;
 
 	struct nhlt_acpi_table *nhlt;
 	struct list_head comp_list;