diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/soundwire/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/soundwire/amd_init.c | 12 | ||||
| -rw-r--r-- | drivers/soundwire/intel_ace2x.c | 7 | ||||
| -rw-r--r-- | drivers/soundwire/intel_init.c | 13 | ||||
| -rw-r--r-- | drivers/soundwire/slave.c | 14 |
5 files changed, 34 insertions, 13 deletions
diff --git a/drivers/soundwire/Kconfig b/drivers/soundwire/Kconfig index 4d8f3b7024ae..f66f869dff2e 100644 --- a/drivers/soundwire/Kconfig +++ b/drivers/soundwire/Kconfig @@ -6,6 +6,7 @@ menuconfig SOUNDWIRE tristate "SoundWire support" depends on ACPI || OF + depends on SND_SOC_SDCA_OPTIONAL help SoundWire is a 2-Pin interface with data and clock line ratified by the MIPI Alliance. SoundWire is used for transporting data diff --git a/drivers/soundwire/amd_init.c b/drivers/soundwire/amd_init.c index db040f435059..53d1d707ca1a 100644 --- a/drivers/soundwire/amd_init.c +++ b/drivers/soundwire/amd_init.c @@ -177,7 +177,7 @@ EXPORT_SYMBOL_NS(sdw_amd_probe, SOUNDWIRE_AMD_INIT); void sdw_amd_exit(struct sdw_amd_ctx *ctx) { sdw_amd_cleanup(ctx); - kfree(ctx->ids); + kfree(ctx->peripherals); kfree(ctx); } EXPORT_SYMBOL_NS(sdw_amd_exit, SOUNDWIRE_AMD_INIT); @@ -204,10 +204,11 @@ int sdw_amd_get_slave_info(struct sdw_amd_ctx *ctx) num_slaves++; } - ctx->ids = kcalloc(num_slaves, sizeof(*ctx->ids), GFP_KERNEL); - if (!ctx->ids) + ctx->peripherals = kmalloc(struct_size(ctx->peripherals, array, num_slaves), + GFP_KERNEL); + if (!ctx->peripherals) return -ENOMEM; - ctx->num_slaves = num_slaves; + ctx->peripherals->num_peripherals = num_slaves; for (index = 0; index < ctx->count; index++) { if (!(ctx->link_mask & BIT(index))) continue; @@ -215,8 +216,7 @@ int sdw_amd_get_slave_info(struct sdw_amd_ctx *ctx) if (amd_manager) { bus = &amd_manager->bus; list_for_each_entry(slave, &bus->slaves, node) { - ctx->ids[i].id = slave->id; - ctx->ids[i].link_id = bus->link_id; + ctx->peripherals->array[i] = slave; i++; } } diff --git a/drivers/soundwire/intel_ace2x.c b/drivers/soundwire/intel_ace2x.c index 4f3dd70d6a1a..a005b63582e9 100644 --- a/drivers/soundwire/intel_ace2x.c +++ b/drivers/soundwire/intel_ace2x.c @@ -175,6 +175,9 @@ static int intel_link_power_up(struct sdw_intel *sdw) __func__, ret); goto out; } + + hdac_bus_eml_enable_interrupt_unlocked(sdw->link_res->hbus, true, + AZX_REG_ML_LEPTR_ID_SDW, true); } *shim_mask |= BIT(link_id); @@ -201,6 +204,10 @@ static int intel_link_power_down(struct sdw_intel *sdw) *shim_mask &= ~BIT(link_id); + if (!*shim_mask) + hdac_bus_eml_enable_interrupt_unlocked(sdw->link_res->hbus, true, + AZX_REG_ML_LEPTR_ID_SDW, false); + ret = hdac_bus_eml_sdw_power_down_unlocked(sdw->link_res->hbus, link_id); if (ret < 0) { dev_err(sdw->cdns.dev, "%s: hdac_bus_eml_sdw_power_down failed: %d\n", diff --git a/drivers/soundwire/intel_init.c b/drivers/soundwire/intel_init.c index a09134b97cd6..12e7a98f319f 100644 --- a/drivers/soundwire/intel_init.c +++ b/drivers/soundwire/intel_init.c @@ -252,17 +252,16 @@ static struct sdw_intel_ctx num_slaves++; } - ctx->ids = kcalloc(num_slaves, sizeof(*ctx->ids), GFP_KERNEL); - if (!ctx->ids) + ctx->peripherals = kmalloc(struct_size(ctx->peripherals, array, num_slaves), + GFP_KERNEL); + if (!ctx->peripherals) goto err; - - ctx->num_slaves = num_slaves; + ctx->peripherals->num_peripherals = num_slaves; i = 0; list_for_each_entry(link, &ctx->link_list, list) { bus = &link->cdns->bus; list_for_each_entry(slave, &bus->slaves, node) { - ctx->ids[i].id = slave->id; - ctx->ids[i].link_id = bus->link_id; + ctx->peripherals->array[i] = slave; i++; } } @@ -371,7 +370,7 @@ void sdw_intel_exit(struct sdw_intel_ctx *ctx) } sdw_intel_cleanup(ctx); - kfree(ctx->ids); + kfree(ctx->peripherals); kfree(ctx->ldev); kfree(ctx); } diff --git a/drivers/soundwire/slave.c b/drivers/soundwire/slave.c index f1a4df6cfebd..97cf8bcca047 100644 --- a/drivers/soundwire/slave.c +++ b/drivers/soundwire/slave.c @@ -5,6 +5,7 @@ #include <linux/of.h> #include <linux/soundwire/sdw.h> #include <linux/soundwire/sdw_type.h> +#include <sound/sdca.h> #include "bus.h" #include "sysfs_local.h" @@ -70,6 +71,17 @@ int sdw_slave_add(struct sdw_bus *bus, list_add_tail(&slave->node, &bus->slaves); mutex_unlock(&bus->bus_lock); + /* + * The Soundwire driver probe may optionally register SDCA + * sub-devices, one per Function. This means the information + * on the SDCA revision and the number/type of Functions need + * to be extracted from platform firmware before the SoundWire + * driver probe, and as a consequence before the SoundWire + * device_register() below. + */ + sdca_lookup_interface_revision(slave); + sdca_lookup_functions(slave); + ret = device_register(&slave->dev); if (ret) { dev_err(bus->dev, "Failed to add slave: ret %d\n", ret); @@ -259,3 +271,5 @@ int sdw_of_find_slaves(struct sdw_bus *bus) return 0; } + +MODULE_IMPORT_NS(SND_SOC_SDCA); |