diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_pcode.h')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_pcode.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_pcode.h b/drivers/gpu/drm/xe/xe_pcode.h new file mode 100644 index 000000000000..a5584c1c75f9 --- /dev/null +++ b/drivers/gpu/drm/xe/xe_pcode.h @@ -0,0 +1,45 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2022 Intel Corporation + */ + +#ifndef _XE_PCODE_H_ +#define _XE_PCODE_H_ + +#include <linux/types.h> + +struct drm_device; +struct xe_device; +struct xe_tile; + +void xe_pcode_init(struct xe_tile *tile); +int xe_pcode_probe_early(struct xe_device *xe); +int xe_pcode_ready(struct xe_device *xe, bool locked); +int xe_pcode_init_min_freq_table(struct xe_tile *tile, u32 min_gt_freq, + u32 max_gt_freq); +int xe_pcode_read(struct xe_tile *tile, u32 mbox, u32 *val, u32 *val1); +int xe_pcode_write_timeout(struct xe_tile *tile, u32 mbox, u32 val, + int timeout_ms); +int xe_pcode_write64_timeout(struct xe_tile *tile, u32 mbox, u32 data0, + u32 data1, int timeout); + +#define xe_pcode_write(tile, mbox, val) \ + xe_pcode_write_timeout(tile, mbox, val, 1) + +int xe_pcode_request(struct xe_tile *tile, u32 mbox, u32 request, + u32 reply_mask, u32 reply, int timeout_ms); + +#define PCODE_MBOX(mbcmd, param1, param2)\ + (FIELD_PREP(PCODE_MB_COMMAND, mbcmd)\ + | FIELD_PREP(PCODE_MB_PARAM1, param1)\ + | FIELD_PREP(PCODE_MB_PARAM2, param2)) + +/* Helpers with drm device */ +int intel_pcode_read(struct drm_device *drm, u32 mbox, u32 *val, u32 *val1); +int intel_pcode_write_timeout(struct drm_device *drm, u32 mbox, u32 val, int timeout_ms); +#define intel_pcode_write(drm, mbox, val) \ + intel_pcode_write_timeout((drm), (mbox), (val), 1) +int intel_pcode_request(struct drm_device *drm, u32 mbox, u32 request, + u32 reply_mask, u32 reply, int timeout_base_ms); + +#endif |