summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/nvgpu/gk20a/pmu_gk20a.h
blob: a53329b4b6c0d28ecc5f456400be3ca4d780bc5e (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
/*
 * drivers/video/tegra/host/gk20a/pmu_gk20a.h
 *
 * GK20A PMU (aka. gPMU outside gk20a context)
 *
 * Copyright (c) 2011-2017, NVIDIA CORPORATION.  All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
 */
#ifndef __PMU_GK20A_H__
#define __PMU_GK20A_H__

#include <linux/version.h>
#include <nvgpu/flcnif_cmn.h>
#include <nvgpu/pmuif/nvgpu_gpmu_cmdif.h>
#include <nvgpu/pmu.h>

struct nvgpu_firmware;

#define ZBC_MASK(i)			(~(~(0) << ((i)+1)) & 0xfffe)

#define APP_VERSION_NC_3	22204331
#define APP_VERSION_NC_2	20429989
#define APP_VERSION_NC_1	20313802
#define APP_VERSION_NC_0	20360931
#define APP_VERSION_GM206	20652057
#define APP_VERSION_NV_GPU	21307569
#define APP_VERSION_NV_GPU_1	21308030
#define APP_VERSION_GM20B_5 20490253
#define APP_VERSION_GM20B_4 19008461
#define APP_VERSION_GM20B_3 18935575
#define APP_VERSION_GM20B_2 18694072
#define APP_VERSION_GM20B_1 18547257
#define APP_VERSION_GM20B 17615280
#define APP_VERSION_3 18357968
#define APP_VERSION_2 18542378
#define APP_VERSION_1 17997577 /*Obsolete this once 18357968 gets in*/
#define APP_VERSION_0 16856675

/*Fuse defines*/
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 4, 0)
#define FUSE_GCPLEX_CONFIG_FUSE_0           0x2C8
#endif

#define PMU_PGENG_GR_BUFFER_IDX_INIT	(0)
#define PMU_PGENG_GR_BUFFER_IDX_ZBC	(1)
#define PMU_PGENG_GR_BUFFER_IDX_FECS	(2)

struct pmu_surface {
	struct nvgpu_mem vidmem_desc;
	struct nvgpu_mem sysmem_desc;
	struct flcn_mem_desc_v0 params;
};

/*PG defines used by nvpgu-pmu*/
struct pmu_pg_stats_data {
	u32 gating_cnt;
	u32 ingating_time;
	u32 ungating_time;
	u32 avg_entry_latency_us;
	u32 avg_exit_latency_us;
};

#define PMU_PG_IDLE_THRESHOLD_SIM		1000
#define PMU_PG_POST_POWERUP_IDLE_THRESHOLD_SIM	4000000
/* TBD: QT or else ? */
#define PMU_PG_IDLE_THRESHOLD			15000
#define PMU_PG_POST_POWERUP_IDLE_THRESHOLD	1000000

#define PMU_PG_LPWR_FEATURE_RPPG 0x0
#define PMU_PG_LPWR_FEATURE_MSCG 0x1

/* state transition :
    OFF => [OFF_ON_PENDING optional] => ON_PENDING => ON => OFF
    ON => OFF is always synchronized */
#define PMU_ELPG_STAT_OFF		0   /* elpg is off */
#define PMU_ELPG_STAT_ON		1   /* elpg is on */
#define PMU_ELPG_STAT_ON_PENDING	2   /* elpg is off, ALLOW cmd has been sent, wait for ack */
#define PMU_ELPG_STAT_OFF_PENDING	3   /* elpg is on, DISALLOW cmd has been sent, wait for ack */
#define PMU_ELPG_STAT_OFF_ON_PENDING	4   /* elpg is off, caller has requested on, but ALLOW
					       cmd hasn't been sent due to ENABLE_ALLOW delay */

#define PG_REQUEST_TYPE_GLOBAL 0x0
#define PG_REQUEST_TYPE_PSTATE 0x1

#define PMU_MSCG_DISABLED 0
#define PMU_MSCG_ENABLED 1

/* Default Sampling Period of AELPG */
#define APCTRL_SAMPLING_PERIOD_PG_DEFAULT_US                    (1000000)

/* Default values of APCTRL parameters */
#define APCTRL_MINIMUM_IDLE_FILTER_DEFAULT_US                   (100)
#define APCTRL_MINIMUM_TARGET_SAVING_DEFAULT_US                 (10000)
#define APCTRL_POWER_BREAKEVEN_DEFAULT_US                       (2000)
#define APCTRL_CYCLES_PER_SAMPLE_MAX_DEFAULT                    (200)
/*PG defines used by nvpgu-pmu*/

int gk20a_init_pmu_support(struct gk20a *g);
int gk20a_init_pmu_bind_fecs(struct gk20a *g);

bool gk20a_pmu_is_interrupted(struct nvgpu_pmu *pmu);
void gk20a_pmu_isr(struct gk20a *g);

int gk20a_pmu_enable_elpg(struct gk20a *g);
int gk20a_pmu_disable_elpg(struct gk20a *g);
int gk20a_pmu_pg_global_enable(struct gk20a *g, u32 enable_pg);

u32 gk20a_pmu_pg_engines_list(struct gk20a *g);
u32 gk20a_pmu_pg_feature_list(struct gk20a *g, u32 pg_engine_id);

void gk20a_pmu_save_zbc(struct gk20a *g, u32 entries);

int gk20a_pmu_perfmon_enable(struct gk20a *g, bool enable);

int gk20a_pmu_mutex_acquire(struct nvgpu_pmu *pmu, u32 id, u32 *token);
int gk20a_pmu_mutex_release(struct nvgpu_pmu *pmu, u32 id, u32 *token);

int gk20a_pmu_queue_head(struct nvgpu_pmu *pmu, struct pmu_queue *queue,
			u32 *head, bool set);
int gk20a_pmu_queue_tail(struct nvgpu_pmu *pmu, struct pmu_queue *queue,
			u32 *tail, bool set);

int gk20a_pmu_destroy(struct gk20a *g);
int gk20a_pmu_load_norm(struct gk20a *g, u32 *load);
int gk20a_pmu_load_update(struct gk20a *g);
void gk20a_pmu_reset_load_counters(struct gk20a *g);
void gk20a_pmu_get_load_counters(struct gk20a *g, u32 *busy_cycles,
		u32 *total_cycles);
void gk20a_init_pmu_ops(struct gpu_ops *gops);

void pmu_copy_to_dmem(struct nvgpu_pmu *pmu,
		u32 dst, u8 *src, u32 size, u8 port);
void pmu_copy_from_dmem(struct nvgpu_pmu *pmu,
		u32 src, u8 *dst, u32 size, u8 port);
int pmu_reset(struct nvgpu_pmu *pmu);
int pmu_bootstrap(struct nvgpu_pmu *pmu);
int gk20a_init_pmu(struct nvgpu_pmu *pmu);
void pmu_dump_falcon_stats(struct nvgpu_pmu *pmu);
void gk20a_remove_pmu_support(struct nvgpu_pmu *pmu);

int gk20a_init_pmu(struct nvgpu_pmu *pmu);

int gk20a_pmu_ap_send_command(struct gk20a *g,
		union pmu_ap_cmd *p_ap_cmd, bool b_block);
int gk20a_aelpg_init(struct gk20a *g);
int gk20a_aelpg_init_and_enable(struct gk20a *g, u8 ctrl_id);
void pmu_enable_irq(struct nvgpu_pmu *pmu, bool enable);
int pmu_wait_message_cond(struct nvgpu_pmu *pmu, u32 timeout_ms,
				 u32 *var, u32 val);
void pmu_handle_fecs_boot_acr_msg(struct gk20a *g, struct pmu_msg *msg,
				void *param, u32 handle, u32 status);
void gk20a_pmu_elpg_statistics(struct gk20a *g, u32 pg_engine_id,
		struct pmu_pg_stats_data *pg_stat_data);
int gk20a_pmu_reset(struct gk20a *g);
int pmu_idle(struct nvgpu_pmu *pmu);
int pmu_enable_hw(struct nvgpu_pmu *pmu, bool enable);

void gk20a_pmu_surface_free(struct gk20a *g, struct nvgpu_mem *mem);
void gk20a_pmu_surface_describe(struct gk20a *g, struct nvgpu_mem *mem,
		struct flcn_mem_desc_v0 *fb);
int gk20a_pmu_vidmem_surface_alloc(struct gk20a *g, struct nvgpu_mem *mem,
		u32 size);
int gk20a_pmu_sysmem_surface_alloc(struct gk20a *g, struct nvgpu_mem *mem,
		u32 size);
int gk20a_pmu_get_pg_stats(struct gk20a *g,
		u32 pg_engine_id, struct pmu_pg_stats_data *pg_stat_data);
bool nvgpu_find_hex_in_string(char *strings, struct gk20a *g, u32 *hex_pos);

int nvgpu_pmu_perfmon_start_sampling(struct nvgpu_pmu *pmu);
int nvgpu_pmu_perfmon_stop_sampling(struct nvgpu_pmu *pmu);

#endif /*__PMU_GK20A_H__*/