diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dmub/inc/dmub_srv.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/inc/dmub_srv.h | 51 |
1 files changed, 50 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_srv.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_srv.h index f8917594036a..c2671f2616c8 100644 --- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_srv.h +++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_srv.h @@ -66,6 +66,7 @@ #include "dmub_types.h" #include "dmub_cmd.h" +#include "dmub_gpint_cmd.h" #include "dmub_rb.h" #if defined(__cplusplus) @@ -103,7 +104,7 @@ enum dmub_window_id { DMUB_WINDOW_4_MAILBOX, DMUB_WINDOW_5_TRACEBUFF, DMUB_WINDOW_6_FW_STATE, - DMUB_WINDOW_7_RESERVED, + DMUB_WINDOW_7_SCRATCH_MEM, DMUB_WINDOW_TOTAL, }; @@ -262,6 +263,14 @@ struct dmub_srv_hw_funcs { bool (*is_phy_init)(struct dmub_srv *dmub); bool (*is_auto_load_done)(struct dmub_srv *dmub); + + void (*set_gpint)(struct dmub_srv *dmub, + union dmub_gpint_data_register reg); + + bool (*is_gpint_acked)(struct dmub_srv *dmub, + union dmub_gpint_data_register reg); + + uint32_t (*get_gpint_response)(struct dmub_srv *dmub); }; /** @@ -307,6 +316,7 @@ struct dmub_srv { enum dmub_asic asic; void *user_ctx; bool is_virtual; + struct dmub_fb scratch_mem_fb; volatile const struct dmub_fw_state *fw_state; /* private: internal use only */ @@ -516,6 +526,45 @@ enum dmub_status dmub_srv_wait_for_phy_init(struct dmub_srv *dmub, enum dmub_status dmub_srv_wait_for_idle(struct dmub_srv *dmub, uint32_t timeout_us); +/** + * dmub_srv_send_gpint_command() - Sends a GPINT based command. + * @dmub: the dmub service + * @command_code: the command code to send + * @param: the command parameter to send + * @timeout_us: the maximum number of microseconds to wait + * + * Sends a command via the general purpose interrupt (GPINT). + * Waits for the number of microseconds specified by timeout_us + * for the command ACK before returning. + * + * Can be called after software initialization. + * + * Return: + * DMUB_STATUS_OK - success + * DMUB_STATUS_TIMEOUT - wait for ACK timed out + * DMUB_STATUS_INVALID - unspecified error + */ +enum dmub_status +dmub_srv_send_gpint_command(struct dmub_srv *dmub, + enum dmub_gpint_command command_code, + uint16_t param, uint32_t timeout_us); + +/** + * dmub_srv_get_gpint_response() - Queries the GPINT response. + * @dmub: the dmub service + * @response: the response for the last GPINT + * + * Returns the response code for the last GPINT interrupt. + * + * Can be called after software initialization. + * + * Return: + * DMUB_STATUS_OK - success + * DMUB_STATUS_INVALID - unspecified error + */ +enum dmub_status dmub_srv_get_gpint_response(struct dmub_srv *dmub, + uint32_t *response); + #if defined(__cplusplus) } #endif |