diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pcode.h')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pcode.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pcode.h b/drivers/gpu/drm/i915/intel_pcode.h new file mode 100644 index 000000000..8d2198e29 --- /dev/null +++ b/drivers/gpu/drm/i915/intel_pcode.h @@ -0,0 +1,30 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2013-2021 Intel Corporation + */ + +#ifndef _INTEL_PCODE_H_ +#define _INTEL_PCODE_H_ + +#include <linux/types.h> + +struct intel_uncore; + +int snb_pcode_read(struct intel_uncore *uncore, u32 mbox, u32 *val, u32 *val1); +int snb_pcode_write_timeout(struct intel_uncore *uncore, u32 mbox, u32 val, + int fast_timeout_us, int slow_timeout_ms); +#define snb_pcode_write(uncore, mbox, val) \ + snb_pcode_write_timeout(uncore, mbox, val, 500, 0) + +int skl_pcode_request(struct intel_uncore *uncore, u32 mbox, u32 request, + u32 reply_mask, u32 reply, int timeout_base_ms); + +int intel_pcode_init(struct intel_uncore *uncore); + +/* + * Helpers for dGfx PCODE mailbox command formatting + */ +int snb_pcode_read_p(struct intel_uncore *uncore, u32 mbcmd, u32 p1, u32 p2, u32 *val); +int snb_pcode_write_p(struct intel_uncore *uncore, u32 mbcmd, u32 p1, u32 p2, u32 val); + +#endif /* _INTEL_PCODE_H */ |