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 struct xe_pcode_version { 16 u16 minor; 17 u16 major; 18 u32 engg; 19 }; 20 21 #define PCODE_DEFAULT_TIMEOUT_MS 10 22 23 int xe_pcode_init_early(struct xe_tile *tile); 24 int xe_pcode_probe_early(struct xe_device *xe); 25 int xe_pcode_ready(struct xe_device *xe, bool locked); 26 int xe_pcode_init_min_freq_table(struct xe_tile *tile, u32 min_gt_freq, 27 u32 max_gt_freq); 28 int xe_pcode_read(struct xe_tile *tile, u32 mbox, u32 *val0, u32 *val1); 29 int xe_pcode_write_timeout(struct xe_tile *tile, u32 mbox, u32 val, 30 int timeout_ms); 31 int xe_pcode_write64_timeout(struct xe_tile *tile, u32 mbox, u32 data0, 32 u32 data1, int timeout); 33 int xe_get_pcode_version(struct xe_device *xe, struct xe_pcode_version *version); 34 35 #define xe_pcode_write(tile, mbox, val) \ 36 xe_pcode_write_timeout(tile, mbox, val, PCODE_DEFAULT_TIMEOUT_MS) 37 38 int xe_pcode_request(struct xe_tile *tile, u32 mbox, u32 request, 39 u32 reply_mask, u32 reply, int timeout_ms); 40 41 #define PCODE_MBOX(mbcmd, param1, param2)\ 42 (FIELD_PREP(PCODE_MB_COMMAND, mbcmd)\ 43 | FIELD_PREP(PCODE_MB_PARAM1, param1)\ 44 | FIELD_PREP(PCODE_MB_PARAM2, param2)) 45 46 #endif 47