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 | 55 |
1 files changed, 55 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..b4e14960b164 100644 --- a/drivers/gpu/drm/amd/display/dmub/dmub_srv.h +++ b/drivers/gpu/drm/amd/display/dmub/dmub_srv.h @@ -74,6 +74,8 @@ extern "C" { struct dmub_srv; struct dmub_srv_common_regs; +struct dmcub_trace_buf_entry; + /* enum dmub_status - return code for dmcub functions */ enum dmub_status { DMUB_STATUS_OK = 0, @@ -107,6 +109,15 @@ 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 +267,20 @@ 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); + + void (*setup_outbox0)(struct dmub_srv *dmub, + const struct dmub_region *outbox0); + + uint32_t (*get_outbox0_wptr)(struct dmub_srv *dmub); + + void (*set_outbox0_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); @@ -279,6 +304,7 @@ struct dmub_srv_hw_funcs { union dmub_gpint_data_register reg); uint32_t (*get_gpint_response)(struct dmub_srv *dmub); + }; /** @@ -338,6 +364,13 @@ 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; + + struct dmub_rb outbox0_rb; bool sw_init; bool hw_init; @@ -351,6 +384,26 @@ 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. */ @@ -614,6 +667,8 @@ enum dmub_status dmub_srv_get_fw_boot_status(struct dmub_srv *dmub, enum dmub_status dmub_srv_cmd_with_reply_data(struct dmub_srv *dmub, union dmub_rb_cmd *cmd); +bool dmub_srv_get_outbox0_msg(struct dmub_srv *dmub, struct dmcub_trace_buf_entry *entry); + #if defined(__cplusplus) } #endif |