1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright © 2008-2017 Intel Corporation
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * Permission is hereby granted, free of charge, to any person obtaining a
5*4882a593Smuzhiyun * copy of this software and associated documentation files (the "Software"),
6*4882a593Smuzhiyun * to deal in the Software without restriction, including without limitation
7*4882a593Smuzhiyun * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8*4882a593Smuzhiyun * and/or sell copies of the Software, and to permit persons to whom the
9*4882a593Smuzhiyun * Software is furnished to do so, subject to the following conditions:
10*4882a593Smuzhiyun *
11*4882a593Smuzhiyun * The above copyright notice and this permission notice (including the next
12*4882a593Smuzhiyun * paragraph) shall be included in all copies or substantial portions of the
13*4882a593Smuzhiyun * Software.
14*4882a593Smuzhiyun *
15*4882a593Smuzhiyun * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16*4882a593Smuzhiyun * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17*4882a593Smuzhiyun * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18*4882a593Smuzhiyun * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19*4882a593Smuzhiyun * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20*4882a593Smuzhiyun * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21*4882a593Smuzhiyun * IN THE SOFTWARE.
22*4882a593Smuzhiyun *
23*4882a593Smuzhiyun */
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun #ifndef _INTEL_OPREGION_H_
26*4882a593Smuzhiyun #define _INTEL_OPREGION_H_
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun #include <linux/workqueue.h>
29*4882a593Smuzhiyun #include <linux/pci.h>
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun struct drm_i915_private;
32*4882a593Smuzhiyun struct intel_encoder;
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun struct opregion_header;
35*4882a593Smuzhiyun struct opregion_acpi;
36*4882a593Smuzhiyun struct opregion_swsci;
37*4882a593Smuzhiyun struct opregion_asle;
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun struct intel_opregion {
40*4882a593Smuzhiyun struct opregion_header *header;
41*4882a593Smuzhiyun struct opregion_acpi *acpi;
42*4882a593Smuzhiyun struct opregion_swsci *swsci;
43*4882a593Smuzhiyun u32 swsci_gbda_sub_functions;
44*4882a593Smuzhiyun u32 swsci_sbcb_sub_functions;
45*4882a593Smuzhiyun struct opregion_asle *asle;
46*4882a593Smuzhiyun void *rvda;
47*4882a593Smuzhiyun void *vbt_firmware;
48*4882a593Smuzhiyun const void *vbt;
49*4882a593Smuzhiyun u32 vbt_size;
50*4882a593Smuzhiyun u32 *lid_state;
51*4882a593Smuzhiyun struct work_struct asle_work;
52*4882a593Smuzhiyun struct notifier_block acpi_notifier;
53*4882a593Smuzhiyun };
54*4882a593Smuzhiyun
55*4882a593Smuzhiyun #define OPREGION_SIZE (8 * 1024)
56*4882a593Smuzhiyun
57*4882a593Smuzhiyun #ifdef CONFIG_ACPI
58*4882a593Smuzhiyun
59*4882a593Smuzhiyun int intel_opregion_setup(struct drm_i915_private *dev_priv);
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun void intel_opregion_register(struct drm_i915_private *dev_priv);
62*4882a593Smuzhiyun void intel_opregion_unregister(struct drm_i915_private *dev_priv);
63*4882a593Smuzhiyun
64*4882a593Smuzhiyun void intel_opregion_resume(struct drm_i915_private *dev_priv);
65*4882a593Smuzhiyun void intel_opregion_suspend(struct drm_i915_private *dev_priv,
66*4882a593Smuzhiyun pci_power_t state);
67*4882a593Smuzhiyun
68*4882a593Smuzhiyun void intel_opregion_asle_intr(struct drm_i915_private *dev_priv);
69*4882a593Smuzhiyun int intel_opregion_notify_encoder(struct intel_encoder *intel_encoder,
70*4882a593Smuzhiyun bool enable);
71*4882a593Smuzhiyun int intel_opregion_notify_adapter(struct drm_i915_private *dev_priv,
72*4882a593Smuzhiyun pci_power_t state);
73*4882a593Smuzhiyun int intel_opregion_get_panel_type(struct drm_i915_private *dev_priv);
74*4882a593Smuzhiyun
75*4882a593Smuzhiyun #else /* CONFIG_ACPI*/
76*4882a593Smuzhiyun
intel_opregion_setup(struct drm_i915_private * dev_priv)77*4882a593Smuzhiyun static inline int intel_opregion_setup(struct drm_i915_private *dev_priv)
78*4882a593Smuzhiyun {
79*4882a593Smuzhiyun return 0;
80*4882a593Smuzhiyun }
81*4882a593Smuzhiyun
intel_opregion_register(struct drm_i915_private * dev_priv)82*4882a593Smuzhiyun static inline void intel_opregion_register(struct drm_i915_private *dev_priv)
83*4882a593Smuzhiyun {
84*4882a593Smuzhiyun }
85*4882a593Smuzhiyun
intel_opregion_unregister(struct drm_i915_private * dev_priv)86*4882a593Smuzhiyun static inline void intel_opregion_unregister(struct drm_i915_private *dev_priv)
87*4882a593Smuzhiyun {
88*4882a593Smuzhiyun }
89*4882a593Smuzhiyun
intel_opregion_resume(struct drm_i915_private * dev_priv)90*4882a593Smuzhiyun static inline void intel_opregion_resume(struct drm_i915_private *dev_priv)
91*4882a593Smuzhiyun {
92*4882a593Smuzhiyun }
93*4882a593Smuzhiyun
intel_opregion_suspend(struct drm_i915_private * dev_priv,pci_power_t state)94*4882a593Smuzhiyun static inline void intel_opregion_suspend(struct drm_i915_private *dev_priv,
95*4882a593Smuzhiyun pci_power_t state)
96*4882a593Smuzhiyun {
97*4882a593Smuzhiyun }
98*4882a593Smuzhiyun
intel_opregion_asle_intr(struct drm_i915_private * dev_priv)99*4882a593Smuzhiyun static inline void intel_opregion_asle_intr(struct drm_i915_private *dev_priv)
100*4882a593Smuzhiyun {
101*4882a593Smuzhiyun }
102*4882a593Smuzhiyun
103*4882a593Smuzhiyun static inline int
intel_opregion_notify_encoder(struct intel_encoder * intel_encoder,bool enable)104*4882a593Smuzhiyun intel_opregion_notify_encoder(struct intel_encoder *intel_encoder, bool enable)
105*4882a593Smuzhiyun {
106*4882a593Smuzhiyun return 0;
107*4882a593Smuzhiyun }
108*4882a593Smuzhiyun
109*4882a593Smuzhiyun static inline int
intel_opregion_notify_adapter(struct drm_i915_private * dev,pci_power_t state)110*4882a593Smuzhiyun intel_opregion_notify_adapter(struct drm_i915_private *dev, pci_power_t state)
111*4882a593Smuzhiyun {
112*4882a593Smuzhiyun return 0;
113*4882a593Smuzhiyun }
114*4882a593Smuzhiyun
intel_opregion_get_panel_type(struct drm_i915_private * dev)115*4882a593Smuzhiyun static inline int intel_opregion_get_panel_type(struct drm_i915_private *dev)
116*4882a593Smuzhiyun {
117*4882a593Smuzhiyun return -ENODEV;
118*4882a593Smuzhiyun }
119*4882a593Smuzhiyun
120*4882a593Smuzhiyun #endif /* CONFIG_ACPI */
121*4882a593Smuzhiyun
122*4882a593Smuzhiyun #endif
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