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authorMaxime Ripard <maxime@cerno.tech>2021-05-11 13:35:52 +0200
committerMaxime Ripard <maxime@cerno.tech>2021-05-11 13:35:52 +0200
commitc55b44c9386f3ee1b08752638559f19deaf6040d (patch)
treec843a21f45180387fcd9eb2625cc9d1f166a3156 /drivers/gpu/drm/amd/display/dmub/dmub_srv.h
parentMAINTAINERS: Update my e-mail (diff)
parentLinux 5.13-rc1 (diff)
downloadlinux-c55b44c9386f3ee1b08752638559f19deaf6040d.tar.xz
linux-c55b44c9386f3ee1b08752638559f19deaf6040d.zip
Merge drm/drm-fixes into drm-misc-fixes
Start this new release drm-misc-fixes branch Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dmub/dmub_srv.h')
-rw-r--r--drivers/gpu/drm/amd/display/dmub/dmub_srv.h55
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