Merge tag 'char-misc-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregk...

[linux-block.git] / include / linux / mhi.h

diff --git a/include/linux/mhi.h b/include/linux/mhi.h
index cde01e133a1b163e71a7622f84170d1af02fa57b..b573f15762f85a643d06a49de762e0b463699696 100644 (file)
--- a/include/linux/mhi.h
+++ b/include/linux/mhi.h
@@ -353,6 +353,7 @@ struct mhi_controller_config {
  * @read_reg: Read a MHI register via the physical link (required)
  * @write_reg: Write a MHI register via the physical link (required)
  * @reset: Controller specific reset function (optional)
+ * @edl_trigger: CB function to trigger EDL mode (optional)
  * @buffer_len: Bounce buffer length
  * @index: Index of the MHI controller instance
  * @bounce_buf: Use of bounce buffer
@@ -435,6 +436,7 @@ struct mhi_controller {
        void (*write_reg)(struct mhi_controller *mhi_cntrl, void __iomem *addr,
                          u32 val);
        void (*reset)(struct mhi_controller *mhi_cntrl);
+       int (*edl_trigger)(struct mhi_controller *mhi_cntrl);
 
        size_t buffer_len;
        int index;
@@ -814,4 +816,13 @@ int mhi_queue_skb(struct mhi_device *mhi_dev, enum dma_data_direction dir,
  */
 bool mhi_queue_is_full(struct mhi_device *mhi_dev, enum dma_data_direction dir);
 
+/**
+ * mhi_get_channel_doorbell_offset - Get the channel doorbell offset
+ * @mhi_cntrl: MHI controller
+ * @chdb_offset: Read channel doorbell offset
+ *
+ * Return: 0 if the read succeeds, a negative error code otherwise
+ */
+int mhi_get_channel_doorbell_offset(struct mhi_controller *mhi_cntrl, u32 *chdb_offset);
+
 #endif /* _MHI_H_ */