diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pcode.h')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pcode.h | 26 |
1 files changed, 26 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 000000000000..50806649d4b6 --- /dev/null +++ b/drivers/gpu/drm/i915/intel_pcode.h @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2013-2021 Intel Corporation + */ + +#ifndef _INTEL_PCODE_H_ +#define _INTEL_PCODE_H_ + +#include <linux/types.h> + +struct drm_i915_private; + +int sandybridge_pcode_read(struct drm_i915_private *i915, u32 mbox, + u32 *val, u32 *val1); +int sandybridge_pcode_write_timeout(struct drm_i915_private *i915, u32 mbox, + u32 val, int fast_timeout_us, + int slow_timeout_ms); +#define sandybridge_pcode_write(i915, mbox, val) \ + sandybridge_pcode_write_timeout(i915, mbox, val, 500, 0) + +int skl_pcode_request(struct drm_i915_private *i915, u32 mbox, u32 request, + u32 reply_mask, u32 reply, int timeout_base_ms); + +int intel_pcode_init(struct drm_i915_private *i915); + +#endif /* _INTEL_PCODE_H */ |