1 /* SPDX-License-Identifier: MIT */ 2 /* 3 * Copyright © 2022 Intel Corporation 4 */ 5 6 #ifndef _XE_GT_MCR_H_ 7 #define _XE_GT_MCR_H_ 8 9 #include "regs/xe_reg_defs.h" 10 #include "xe_gt_topology.h" 11 12 struct drm_printer; 13 struct xe_gt; 14 15 void xe_gt_mcr_init(struct xe_gt *gt); 16 17 void xe_gt_mcr_set_implicit_defaults(struct xe_gt *gt); 18 19 u32 xe_gt_mcr_unicast_read(struct xe_gt *gt, struct xe_reg_mcr mcr_reg, 20 int group, int instance); 21 u32 xe_gt_mcr_unicast_read_any(struct xe_gt *gt, struct xe_reg_mcr mcr_reg); 22 23 void xe_gt_mcr_unicast_write(struct xe_gt *gt, struct xe_reg_mcr mcr_reg, 24 u32 value, int group, int instance); 25 void xe_gt_mcr_multicast_write(struct xe_gt *gt, struct xe_reg_mcr mcr_reg, 26 u32 value); 27 28 void xe_gt_mcr_steering_dump(struct xe_gt *gt, struct drm_printer *p); 29 void xe_gt_mcr_get_dss_steering(struct xe_gt *gt, unsigned int dss, u16 *group, u16 *instance); 30 31 /* 32 * Loop over each DSS and determine the group and instance IDs that 33 * should be used to steer MCR accesses toward this DSS. 34 * @dss: DSS ID to obtain steering for 35 * @gt: GT structure 36 * @group: steering group ID, data type: u16 37 * @instance: steering instance ID, data type: u16 38 */ 39 #define for_each_dss_steering(dss, gt, group, instance) \ 40 for_each_dss((dss), (gt)) \ 41 for_each_if((xe_gt_mcr_get_dss_steering((gt), (dss), &(group), &(instance)), true)) 42 43 #endif /* _XE_GT_MCR_H_ */ 44