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/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2019 Intel Corporation
*/
#ifndef __INTEL_DMC_H__
#define __INTEL_DMC_H__
#include "i915_reg_defs.h"
#include "intel_wakeref.h"
#include <linux/workqueue.h>
struct drm_i915_error_state_buf;
struct drm_i915_private;
enum pipe;
enum {
DMC_FW_MAIN = 0,
DMC_FW_PIPEA,
DMC_FW_PIPEB,
DMC_FW_PIPEC,
DMC_FW_PIPED,
DMC_FW_MAX
};
struct intel_dmc {
struct work_struct work;
const char *fw_path;
u32 max_fw_size; /* bytes */
u32 version;
struct dmc_fw_info {
u32 mmio_count;
i915_reg_t mmioaddr[20];
u32 mmiodata[20];
u32 dmc_offset;
u32 start_mmioaddr;
u32 dmc_fw_size; /*dwords */
u32 *payload;
bool present;
} dmc_info[DMC_FW_MAX];
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_disable_program(struct drm_i915_private *i915);
void intel_dmc_enable_pipe(struct drm_i915_private *i915, enum pipe pipe);
void intel_dmc_disable_pipe(struct drm_i915_private *i915, enum pipe pipe);
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);
void intel_dmc_debugfs_register(struct drm_i915_private *i915);
void intel_dmc_print_error_state(struct drm_i915_error_state_buf *m,
struct drm_i915_private *i915);
void assert_dmc_loaded(struct drm_i915_private *i915);
#endif /* __INTEL_DMC_H__ */
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