diff options
Diffstat (limited to 'include/linux/mhi.h')
| -rw-r--r-- | include/linux/mhi.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/mhi.h b/include/linux/mhi.h index cde01e133a1b..b573f15762f8 100644 --- 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_ */ |