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authorCharles Keepax <ckeepax@opensource.cirrus.com>2025-10-20 18:55:10 +0300
committerMark Brown <broonie@kernel.org>2025-10-27 18:31:27 +0300
commite92e25f777483b7cc3e170214cc84337d7a415cf (patch)
treeb02f821f36bd0b4692477b793c3595a9f5c7b4d1 /include
parent0723affa1bee50c3bd7ca00e00dee07fcef224b8 (diff)
downloadlinux-e92e25f777483b7cc3e170214cc84337d7a415cf.tar.xz
ASoC: SDCA: Add UMP timeout handling for FDL
Several of the UMP transactions in the FDL process should timeout if the device does not respond within a certain time, add handling into the UMP helpers and the FDL code to handle this. Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com> Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.dev> Link: https://patch.msgid.link/20251020155512.353774-18-ckeepax@opensource.cirrus.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'include')
-rw-r--r--include/sound/sdca_fdl.h7
-rw-r--r--include/sound/sdca_ump.h5
2 files changed, 12 insertions, 0 deletions
diff --git a/include/sound/sdca_fdl.h b/include/sound/sdca_fdl.h
index 4ea000d6acef..f4ba809cb203 100644
--- a/include/sound/sdca_fdl.h
+++ b/include/sound/sdca_fdl.h
@@ -11,6 +11,7 @@
#define __SDCA_FDL_H__
#include <linux/completion.h>
+#include <linux/workqueue.h>
struct device;
struct regmap;
@@ -23,13 +24,19 @@ struct sdca_interrupt_info;
* struct fdl_state - FDL state structure to keep data between interrupts
* @begin: Completion indicating the start of an FDL download cycle.
* @done: Completion indicating the end of an FDL download cycle.
+ * @timeout: Delayed work used for timing out UMP transactions.
+ * @lock: Mutex to protect between the timeout work and IRQ handlers.
+ * @interrupt: Pointer to the interrupt struct to which this FDL is attached.
* @set: Pointer to the FDL set currently being downloaded.
* @file_index: Index of the current file being processed.
*/
struct fdl_state {
struct completion begin;
struct completion done;
+ struct delayed_work timeout;
+ struct mutex lock;
+ struct sdca_interrupt *interrupt;
struct sdca_fdl_set *set;
int file_index;
};
diff --git a/include/sound/sdca_ump.h b/include/sound/sdca_ump.h
index b2363199d19a..f54f9d48c64c 100644
--- a/include/sound/sdca_ump.h
+++ b/include/sound/sdca_ump.h
@@ -15,6 +15,7 @@ struct sdca_control;
struct sdca_entity;
struct sdca_function_data;
struct snd_soc_component;
+struct delayed_work;
int sdca_ump_get_owner_host(struct device *dev,
struct regmap *function_regmap,
@@ -42,4 +43,8 @@ int sdca_ump_write_message(struct device *dev,
unsigned int length_sel,
void *msg, int msg_len);
+void sdca_ump_cancel_timeout(struct delayed_work *work);
+void sdca_ump_schedule_timeout(struct delayed_work *work,
+ unsigned int timeout_us);
+
#endif // __SDCA_UMP_H__