diff options
Diffstat (limited to 'drivers/gpu/nvgpu/common/linux/clk_arb_linux.h')
-rw-r--r-- | drivers/gpu/nvgpu/common/linux/clk_arb_linux.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/drivers/gpu/nvgpu/common/linux/clk_arb_linux.h b/drivers/gpu/nvgpu/common/linux/clk_arb_linux.h new file mode 100644 index 00000000..b66876da --- /dev/null +++ b/drivers/gpu/nvgpu/common/linux/clk_arb_linux.h | |||
@@ -0,0 +1,120 @@ | |||
1 | /* | ||
2 | * Copyright (c) 2016-2018, NVIDIA CORPORATION. All rights reserved. | ||
3 | * | ||
4 | * This software is licensed under the terms of the GNU General Public | ||
5 | * License version 2, as published by the Free Software Foundation, and | ||
6 | * may be copied, distributed, and modified under those terms. | ||
7 | * | ||
8 | * This program is distributed in the hope that it will be useful, | ||
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
11 | * GNU General Public License for more details. | ||
12 | * | ||
13 | * You should have received a copy of the GNU General Public License | ||
14 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
15 | */ | ||
16 | |||
17 | #ifndef __NVGPU_CLK_ARB_LINUX_H__ | ||
18 | #define __NVGPU_CLK_ARB_LINUX_H__ | ||
19 | |||
20 | #include <nvgpu/types.h> | ||
21 | #include <nvgpu/bitops.h> | ||
22 | #include <nvgpu/lock.h> | ||
23 | #include <nvgpu/kmem.h> | ||
24 | #include <nvgpu/atomic.h> | ||
25 | #include <nvgpu/bug.h> | ||
26 | #include <nvgpu/kref.h> | ||
27 | #include <nvgpu/log.h> | ||
28 | #include <nvgpu/barrier.h> | ||
29 | #include <nvgpu/cond.h> | ||
30 | |||
31 | #include "gk20a/gk20a.h" | ||
32 | #include "clk/clk.h" | ||
33 | #include "pstate/pstate.h" | ||
34 | #include "lpwr/lpwr.h" | ||
35 | #include "volt/volt.h" | ||
36 | |||
37 | /* | ||
38 | * The defines here should finally move to clk_arb.h, once these are | ||
39 | * refactored to be free of Linux fields. | ||
40 | */ | ||
41 | struct nvgpu_clk_arb { | ||
42 | struct nvgpu_spinlock sessions_lock; | ||
43 | struct nvgpu_spinlock users_lock; | ||
44 | |||
45 | struct nvgpu_mutex pstate_lock; | ||
46 | struct list_head users; | ||
47 | struct list_head sessions; | ||
48 | struct llist_head requests; | ||
49 | |||
50 | struct gk20a *g; | ||
51 | int status; | ||
52 | |||
53 | struct nvgpu_clk_arb_target actual_pool[2]; | ||
54 | struct nvgpu_clk_arb_target *actual; | ||
55 | |||
56 | u16 gpc2clk_default_mhz; | ||
57 | u16 mclk_default_mhz; | ||
58 | u32 voltuv_actual; | ||
59 | |||
60 | u16 gpc2clk_min, gpc2clk_max; | ||
61 | u16 mclk_min, mclk_max; | ||
62 | |||
63 | struct work_struct update_fn_work; | ||
64 | struct workqueue_struct *update_work_queue; | ||
65 | struct work_struct vf_table_fn_work; | ||
66 | struct workqueue_struct *vf_table_work_queue; | ||
67 | |||
68 | struct nvgpu_cond request_wq; | ||
69 | |||
70 | struct nvgpu_clk_vf_table *current_vf_table; | ||
71 | struct nvgpu_clk_vf_table vf_table_pool[2]; | ||
72 | u32 vf_table_index; | ||
73 | |||
74 | u16 *mclk_f_points; | ||
75 | nvgpu_atomic_t req_nr; | ||
76 | |||
77 | u32 mclk_f_numpoints; | ||
78 | u16 *gpc2clk_f_points; | ||
79 | u32 gpc2clk_f_numpoints; | ||
80 | |||
81 | nvgpu_atomic64_t alarm_mask; | ||
82 | struct nvgpu_clk_notification_queue notification_queue; | ||
83 | |||
84 | #ifdef CONFIG_DEBUG_FS | ||
85 | struct nvgpu_clk_arb_debug debug_pool[2]; | ||
86 | struct nvgpu_clk_arb_debug *debug; | ||
87 | bool debugfs_set; | ||
88 | #endif | ||
89 | }; | ||
90 | |||
91 | struct nvgpu_clk_dev { | ||
92 | struct nvgpu_clk_session *session; | ||
93 | union { | ||
94 | struct list_head link; | ||
95 | struct llist_node node; | ||
96 | }; | ||
97 | struct nvgpu_cond readout_wq; | ||
98 | nvgpu_atomic_t poll_mask; | ||
99 | u16 gpc2clk_target_mhz; | ||
100 | u16 mclk_target_mhz; | ||
101 | u32 alarms_reported; | ||
102 | nvgpu_atomic_t enabled_mask; | ||
103 | struct nvgpu_clk_notification_queue queue; | ||
104 | u32 arb_queue_head; | ||
105 | struct nvgpu_ref refcount; | ||
106 | }; | ||
107 | |||
108 | struct nvgpu_clk_session { | ||
109 | bool zombie; | ||
110 | struct gk20a *g; | ||
111 | struct nvgpu_ref refcount; | ||
112 | struct list_head link; | ||
113 | struct llist_head targets; | ||
114 | |||
115 | struct nvgpu_clk_arb_target target_pool[2]; | ||
116 | struct nvgpu_clk_arb_target *target; | ||
117 | }; | ||
118 | |||
119 | #endif /* __NVGPU_CLK_ARB_LINUX_H__ */ | ||
120 | |||