1/* SPDX-License-Identifier: MIT */
 2/*
 3 * Copyright © 2023 Intel Corporation
 4 */
 5
 6#ifndef __INTEL_PMDEMAND_H__
 7#define __INTEL_PMDEMAND_H__
 8
 9#include "intel_display_limits.h"
10#include "intel_global_state.h"
11
12struct drm_i915_private;
13struct intel_atomic_state;
14struct intel_crtc_state;
15struct intel_encoder;
16struct intel_plane_state;
17
18struct pmdemand_params {
19	u16 qclk_gv_bw;
20	u8 voltage_index;
21	u8 qclk_gv_index;
22	u8 active_pipes;
23	u8 active_dbufs;	/* pre-Xe3 only */
24	/* Total number of non type C active phys from active_phys_mask */
25	u8 active_phys;
26	u8 plls;
27	u16 cdclk_freq_mhz;
28	/* max from ddi_clocks[] */
29	u16 ddiclk_max;
30	u8 scalers;		/* pre-Xe3 only */
31};
32
33struct intel_pmdemand_state {
34	struct intel_global_state base;
35
36	/* Maintain a persistent list of port clocks across all crtcs */
37	int ddi_clocks[I915_MAX_PIPES];
38
39	/* Maintain a persistent list of non type C phys mask */
40	u16 active_combo_phys_mask;
41
42	/* Parameters to be configured in the pmdemand registers */
43	struct pmdemand_params params;
44};
45
46#define to_intel_pmdemand_state(global_state) \
47	container_of_const((global_state), struct intel_pmdemand_state, base)
48
49void intel_pmdemand_init_early(struct drm_i915_private *i915);
50int intel_pmdemand_init(struct drm_i915_private *i915);
51void intel_pmdemand_init_pmdemand_params(struct drm_i915_private *i915,
52					 struct intel_pmdemand_state *pmdemand_state);
53void intel_pmdemand_update_port_clock(struct drm_i915_private *i915,
54				      struct intel_pmdemand_state *pmdemand_state,
55				      enum pipe pipe, int port_clock);
56void intel_pmdemand_update_phys_mask(struct drm_i915_private *i915,
57				     struct intel_encoder *encoder,
58				     struct intel_pmdemand_state *pmdemand_state,
59				     bool clear_bit);
60void intel_pmdemand_program_dbuf(struct drm_i915_private *i915,
61				 u8 dbuf_slices);
62void intel_pmdemand_pre_plane_update(struct intel_atomic_state *state);
63void intel_pmdemand_post_plane_update(struct intel_atomic_state *state);
64int intel_pmdemand_atomic_check(struct intel_atomic_state *state);
65
66#endif /* __INTEL_PMDEMAND_H__ */