| /* SPDX-License-Identifier: MIT */ |
| /* |
| * Copyright © 2019 Intel Corporation |
| */ |
| |
| #ifndef __INTEL_DMC_H__ |
| #define __INTEL_DMC_H__ |
| |
| #include "i915_reg.h" |
| #include "intel_wakeref.h" |
| #include <linux/workqueue.h> |
| |
| struct drm_i915_private; |
| |
| #define DMC_VERSION(major, minor) ((major) << 16 | (minor)) |
| #define DMC_VERSION_MAJOR(version) ((version) >> 16) |
| #define DMC_VERSION_MINOR(version) ((version) & 0xffff) |
| |
| struct intel_dmc { |
| struct work_struct work; |
| const char *fw_path; |
| u32 required_version; |
| u32 max_fw_size; /* bytes */ |
| u32 *dmc_payload; |
| u32 dmc_fw_size; /* dwords */ |
| u32 version; |
| u32 mmio_count; |
| i915_reg_t mmioaddr[20]; |
| u32 mmiodata[20]; |
| u32 dc_state; |
| u32 target_dc_state; |
| u32 allowed_dc_mask; |
| intel_wakeref_t wakeref; |
| }; |
| |
| void intel_dmc_ucode_init(struct drm_i915_private *i915); |
| void intel_dmc_load_program(struct drm_i915_private *i915); |
| void intel_dmc_ucode_fini(struct drm_i915_private *i915); |
| void intel_dmc_ucode_suspend(struct drm_i915_private *i915); |
| void intel_dmc_ucode_resume(struct drm_i915_private *i915); |
| bool intel_dmc_has_payload(struct drm_i915_private *i915); |
| |
| #endif /* __INTEL_DMC_H__ */ |