Merge branch 'vendor/BINUTILS225'
[dragonfly.git] / sys / dev / drm / i915 / intel_guc.h
1 /*
2  * Copyright © 2014 Intel Corporation
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21  * IN THE SOFTWARE.
22  *
23  */
24 #ifndef _INTEL_GUC_H_
25 #define _INTEL_GUC_H_
26
27 #include "intel_guc_fwif.h"
28 #include "i915_guc_reg.h"
29
30 struct i915_guc_client {
31         struct drm_i915_gem_object *client_obj;
32         struct intel_context *owner;
33         struct intel_guc *guc;
34         uint32_t priority;
35         uint32_t ctx_index;
36
37         uint32_t proc_desc_offset;
38         uint32_t doorbell_offset;
39         uint32_t cookie;
40         uint16_t doorbell_id;
41         uint16_t padding;               /* Maintain alignment           */
42
43         uint32_t wq_offset;
44         uint32_t wq_size;
45
46         struct lock wq_lock;            /* Protects all data below      */
47         uint32_t wq_tail;
48
49         /* GuC submission statistics & status */
50         uint64_t submissions[I915_NUM_RINGS];
51         uint32_t q_fail;
52         uint32_t b_fail;
53         int retcode;
54 };
55
56 enum intel_guc_fw_status {
57         GUC_FIRMWARE_FAIL = -1,
58         GUC_FIRMWARE_NONE = 0,
59         GUC_FIRMWARE_PENDING,
60         GUC_FIRMWARE_SUCCESS
61 };
62
63 /*
64  * This structure encapsulates all the data needed during the process
65  * of fetching, caching, and loading the firmware image into the GuC.
66  */
67 struct intel_guc_fw {
68         struct drm_device *             guc_dev;
69         const char *                    guc_fw_path;
70         size_t                          guc_fw_size;
71         struct drm_i915_gem_object *    guc_fw_obj;
72         enum intel_guc_fw_status        guc_fw_fetch_status;
73         enum intel_guc_fw_status        guc_fw_load_status;
74
75         uint16_t                        guc_fw_major_wanted;
76         uint16_t                        guc_fw_minor_wanted;
77         uint16_t                        guc_fw_major_found;
78         uint16_t                        guc_fw_minor_found;
79 };
80
81 struct intel_guc {
82         struct intel_guc_fw guc_fw;
83
84         uint32_t log_flags;
85         struct drm_i915_gem_object *log_obj;
86
87         struct drm_i915_gem_object *ctx_pool_obj;
88         struct ida ctx_ids;
89
90         struct i915_guc_client *execbuf_client;
91
92         struct spinlock host2guc_lock;  /* Protects all data below      */
93
94         DECLARE_BITMAP(doorbell_bitmap, GUC_MAX_DOORBELLS);
95         uint32_t db_cacheline;          /* Cyclic counter mod pagesize  */
96
97         /* Action status & statistics */
98         uint64_t action_count;          /* Total commands issued        */
99         uint32_t action_cmd;            /* Last command word            */
100         uint32_t action_status;         /* Last return status           */
101         uint32_t action_fail;           /* Total number of failures     */
102         int32_t action_err;             /* Last error code              */
103
104         uint64_t submissions[I915_NUM_RINGS];
105         uint32_t last_seqno[I915_NUM_RINGS];
106 };
107
108 /* intel_guc_loader.c */
109 extern void intel_guc_ucode_init(struct drm_device *dev);
110 extern int intel_guc_ucode_load(struct drm_device *dev);
111 extern void intel_guc_ucode_fini(struct drm_device *dev);
112 extern const char *intel_guc_fw_status_repr(enum intel_guc_fw_status status);
113 extern int intel_guc_suspend(struct drm_device *dev);
114 extern int intel_guc_resume(struct drm_device *dev);
115
116 /* i915_guc_submission.c */
117 int i915_guc_submission_init(struct drm_device *dev);
118 int i915_guc_submission_enable(struct drm_device *dev);
119 int i915_guc_submit(struct i915_guc_client *client,
120                     struct drm_i915_gem_request *rq);
121 void i915_guc_submission_disable(struct drm_device *dev);
122 void i915_guc_submission_fini(struct drm_device *dev);
123
124 #endif