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authorVinod Koul <vkoul@kernel.org>2018-04-26 18:39:05 +0530
committerVinod Koul <vkoul@kernel.org>2018-05-11 21:48:07 +0530
commitc46302ec554c575e79d791c7c84fd4c795e97680 (patch)
tree18e024099493344313b67af1f52b7bba82956376 /include/linux/soundwire
parentsoundwire: intel: Add stream initialization (diff)
downloadwireguard-linux-c46302ec554c575e79d791c7c84fd4c795e97680.tar.xz
wireguard-linux-c46302ec554c575e79d791c7c84fd4c795e97680.zip
soundwire: intel: Add audio DAI ops
Add DAI registration and DAI ops for the Intel driver along with callback for topology configuration. Signed-off-by: Sanyog Kale <sanyog.r.kale@intel.com> Signed-off-by: Shreyas NC <shreyas.nc@intel.com> Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'include/linux/soundwire')
-rw-r--r--include/linux/soundwire/sdw.h3
-rw-r--r--include/linux/soundwire/sdw_intel.h14
2 files changed, 17 insertions, 0 deletions
diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h
index 399cfb295593..962971e6a9c7 100644
--- a/include/linux/soundwire/sdw.h
+++ b/include/linux/soundwire/sdw.h
@@ -38,6 +38,9 @@ struct sdw_slave;
#define SDW_VALID_PORT_RANGE(n) (n <= 14 && n >= 1)
+#define SDW_DAI_ID_RANGE_START 100
+#define SDW_DAI_ID_RANGE_END 200
+
/**
* enum sdw_slave_status - Slave status
* @SDW_SLAVE_UNATTACHED: Slave is not attached with the bus.
diff --git a/include/linux/soundwire/sdw_intel.h b/include/linux/soundwire/sdw_intel.h
index 4b37528f592d..2b9573b8aedd 100644
--- a/include/linux/soundwire/sdw_intel.h
+++ b/include/linux/soundwire/sdw_intel.h
@@ -5,17 +5,31 @@
#define __SDW_INTEL_H
/**
+ * struct sdw_intel_ops: Intel audio driver callback ops
+ *
+ * @config_stream: configure the stream with the hw_params
+ */
+struct sdw_intel_ops {
+ int (*config_stream)(void *arg, void *substream,
+ void *dai, void *hw_params, int stream_num);
+};
+
+/**
* struct sdw_intel_res - Soundwire Intel resource structure
* @mmio_base: mmio base of SoundWire registers
* @irq: interrupt number
* @handle: ACPI parent handle
* @parent: parent device
+ * @ops: callback ops
+ * @arg: callback arg
*/
struct sdw_intel_res {
void __iomem *mmio_base;
int irq;
acpi_handle handle;
struct device *parent;
+ const struct sdw_intel_ops *ops;
+ void *arg;
};
void *sdw_intel_init(acpi_handle *parent_handle, struct sdw_intel_res *res);