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 struct xe_tile; 11 struct xe_device; 12 13 void xe_pcode_init(struct xe_tile *tile); 14 int xe_pcode_probe_early(struct xe_device *xe); 15 int xe_pcode_ready(struct xe_device *xe, bool locked); 16 int xe_pcode_init_min_freq_table(struct xe_tile *tile, u32 min_gt_freq, 17 u32 max_gt_freq); 18 int xe_pcode_read(struct xe_tile *tile, u32 mbox, u32 *val, u32 *val1); 19 int xe_pcode_write_timeout(struct xe_tile *tile, u32 mbox, u32 val, 20 int timeout_ms); 21 #define xe_pcode_write(tile, mbox, val) \ 22 xe_pcode_write_timeout(tile, mbox, val, 1) 23 24 int xe_pcode_request(struct xe_tile *tile, u32 mbox, u32 request, 25 u32 reply_mask, u32 reply, int timeout_ms); 26 27 #define PCODE_MBOX(mbcmd, param1, param2)\ 28 (FIELD_PREP(PCODE_MB_COMMAND, mbcmd)\ 29 | FIELD_PREP(PCODE_MB_PARAM1, param1)\ 30 | FIELD_PREP(PCODE_MB_PARAM2, param2)) 31 32 #endif 33