summaryrefslogtreecommitdiff
path: root/include/linux/soundwire
diff options
context:
space:
mode:
authorVinod Koul <vkoul@kernel.org>2020-01-16 17:32:43 +0530
committerVinod Koul <vkoul@kernel.org>2020-01-16 17:32:43 +0530
commit451ed9682babad0592c882ca303a4634cc1bb045 (patch)
tree09252edf8be10774c202abcc6981152c1c676e72 /include/linux/soundwire
parenta19efb5265c3043f5598192a3493bc3c47a393c6 (diff)
parent92f622bc276a0b9281df3d145ebaffb904f0d290 (diff)
Merge branch 'topic/sdw_intel' into next
Diffstat (limited to 'include/linux/soundwire')
-rw-r--r--include/linux/soundwire/sdw_intel.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/soundwire/sdw_intel.h b/include/linux/soundwire/sdw_intel.h
index 93b83bdf8035..979b41b5dcb4 100644
--- a/include/linux/soundwire/sdw_intel.h
+++ b/include/linux/soundwire/sdw_intel.h
@@ -5,6 +5,7 @@
#define __SDW_INTEL_H
#include <linux/irqreturn.h>
+#include <linux/soundwire/sdw.h>
/**
* struct sdw_intel_stream_params_data: configuration passed during
@@ -93,6 +94,11 @@ struct sdw_intel_link_res;
*/
#define SDW_INTEL_CLK_STOP_BUS_RESET BIT(3)
+struct sdw_intel_slave_id {
+ int link_id;
+ struct sdw_slave_id id;
+};
+
/**
* struct sdw_intel_ctx - context allocated by the controller
* driver probe
@@ -101,9 +107,12 @@ struct sdw_intel_link_res;
* hardware capabilities after all power dependencies are settled.
* @link_mask: bit-wise mask listing SoundWire links reported by the
* Controller
+ * @num_slaves: total number of devices exposed across all enabled links
* @handle: ACPI parent handle
* @links: information for each link (controller-specific and kept
* opaque here)
+ * @ids: array of slave_id, representing Slaves exposed across all enabled
+ * links
* @link_list: list to handle interrupts across all links
* @shim_lock: mutex to handle concurrent rmw access to shared SHIM registers.
*/
@@ -111,8 +120,10 @@ struct sdw_intel_ctx {
int count;
void __iomem *mmio_base;
u32 link_mask;
+ int num_slaves;
acpi_handle handle;
struct sdw_intel_link_res *links;
+ struct sdw_intel_slave_id *ids;
struct list_head link_list;
struct mutex shim_lock; /* lock for access to shared SHIM registers */
};