1 /* SPDX-License-Identifier: MIT */ 2 /* 3 * Copyright © 2022 Intel Corporation 4 */ 5 6 #ifndef _XE_PCODE_H_ 7 #define _XE_PCODE_H_ 8 9 #include <linux/types.h> 10 11 struct drm_device; 12 struct xe_device; 13 struct xe_tile; 14 15 void xe_pcode_init(struct xe_tile *tile); 16 int xe_pcode_probe_early(struct xe_device *xe); 17 int xe_pcode_ready(struct xe_device *xe, bool locked); 18 int xe_pcode_init_min_freq_table(struct xe_tile *tile, u32 min_gt_freq, 19 u32 max_gt_freq); 20 int xe_pcode_read(struct xe_tile *tile, u32 mbox, u32 *val, u32 *val1); 21 int xe_pcode_write_timeout(struct xe_tile *tile, u32 mbox, u32 val, 22 int timeout_ms); 23 int xe_pcode_write64_timeout(struct xe_tile *tile, u32 mbox, u32 data0, 24 u32 data1, int timeout); 25 26 #define xe_pcode_write(tile, mbox, val) \ 27 xe_pcode_write_timeout(tile, mbox, val, 1) 28 29 int xe_pcode_request(struct xe_tile *tile, u32 mbox, u32 request, 30 u32 reply_mask, u32 reply, int timeout_ms); 31 32 #define PCODE_MBOX(mbcmd, param1, param2)\ 33 (FIELD_PREP(PCODE_MB_COMMAND, mbcmd)\ 34 | FIELD_PREP(PCODE_MB_PARAM1, param1)\ 35 | FIELD_PREP(PCODE_MB_PARAM2, param2)) 36 37 #endif 38