diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dmub/dmub_srv.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/dmub_srv.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dmub/dmub_srv.h b/drivers/gpu/drm/amd/display/dmub/dmub_srv.h index 863cd9cc93ff..6e4f558fe97e 100644 --- a/drivers/gpu/drm/amd/display/dmub/dmub_srv.h +++ b/drivers/gpu/drm/amd/display/dmub/dmub_srv.h @@ -107,6 +107,15 @@ enum dmub_window_id { DMUB_WINDOW_TOTAL, }; +/* enum dmub_notification_type - dmub outbox notification identifier */ +enum dmub_notification_type { + DMUB_NOTIFICATION_NO_DATA = 0, + DMUB_NOTIFICATION_AUX_REPLY, + DMUB_NOTIFICATION_HPD, + DMUB_NOTIFICATION_HPD_IRQ, + DMUB_NOTIFICATION_MAX +}; + /** * struct dmub_region - dmub hw memory region * @base: base address for region, must be 256 byte aligned @@ -256,6 +265,13 @@ struct dmub_srv_hw_funcs { void (*set_inbox1_wptr)(struct dmub_srv *dmub, uint32_t wptr_offset); + void (*setup_out_mailbox)(struct dmub_srv *dmub, + const struct dmub_region *outbox1); + + uint32_t (*get_outbox1_wptr)(struct dmub_srv *dmub); + + void (*set_outbox1_rptr)(struct dmub_srv *dmub, uint32_t rptr_offset); + uint32_t (*emul_get_inbox1_rptr)(struct dmub_srv *dmub); void (*emul_set_inbox1_wptr)(struct dmub_srv *dmub, uint32_t wptr_offset); @@ -338,6 +354,11 @@ struct dmub_srv { struct dmub_srv_base_funcs funcs; struct dmub_srv_hw_funcs hw_funcs; struct dmub_rb inbox1_rb; + /** + * outbox1_rb is accessed without locks (dal & dc) + * and to be used only in dmub_srv_stat_get_notification() + */ + struct dmub_rb outbox1_rb; bool sw_init; bool hw_init; @@ -351,6 +372,26 @@ struct dmub_srv { }; /** + * struct dmub_notification - dmub notification data + * @type: dmub notification type + * @link_index: link index to identify aux connection + * @result: USB4 status returned from dmub + * @pending_notification: Indicates there are other pending notifications + * @aux_reply: aux reply + * @hpd_status: hpd status + */ +struct dmub_notification { + enum dmub_notification_type type; + uint8_t link_index; + uint8_t result; + bool pending_notification; + union { + struct aux_reply_data aux_reply; + enum dp_hpd_status hpd_status; + }; +}; + +/** * DMUB firmware version helper macro - useful for checking if the version * of a firmware to know if feature or functionality is supported or present. */ |