summaryrefslogtreecommitdiffstats
path: root/power-8998.c
blob: 0fd6aae69a89cbdcdde517a3f02760fe76d3f8c1 (plain)
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
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
/*
 * Copyright (c) 2016-2017, The Linux Foundation. All rights reserved.
 * Copyright (C) 2018-2019 The LineageOS Project
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 * *    * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 *       copyright notice, this list of conditions and the following
 *       disclaimer in the documentation and/or other materials provided
 *       with the distribution.
 *     * Neither the name of The Linux Foundation nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#define LOG_NIDEBUG 0

#include <dlfcn.h>
#include <errno.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <time.h>
#include <unistd.h>

#define LOG_TAG "QTI PowerHAL"
#include <hardware/hardware.h>
#include <hardware/power.h>
#include <log/log.h>

#include "hint-data.h"
#include "metadata-defs.h"
#include "performance.h"
#include "power-common.h"
#include "utils.h"

#define NUM_PERF_MODES 3

const int kMaxLaunchDuration = 5000;      /* ms */
const int kMaxInteractiveDuration = 5000; /* ms */
const int kMinInteractiveDuration = 400;  /* ms */

static int current_power_profile = PROFILE_BALANCED;

#ifdef INTERACTION_BOOST
int get_number_of_profiles() {
    return 5;
}
#endif

// clang-format off
static int profile_high_performance[] = {
    SCHED_BOOST_ON_V3, 0x1,
    MIN_FREQ_BIG_CORE_0, 0xFFF,
    MIN_FREQ_LITTLE_CORE_0, 0xFFF,
    ALL_CPUS_PWR_CLPS_DIS_V3, 0x1,
};

static int profile_power_save[] = {
    MAX_FREQ_BIG_CORE_0, 0x3E8,
    MAX_FREQ_LITTLE_CORE_0, 0x3E8,
};

static int profile_bias_power[] = {
    MAX_FREQ_BIG_CORE_0, 0x514,
    MAX_FREQ_LITTLE_CORE_0, 0x3E8,
};

static int profile_bias_performance[] = {
    MIN_FREQ_BIG_CORE_0, 0x578,
};
// clang-format on

static int set_power_profile(void* data) {
    int profile = data ? *((int*)data) : 0;
    int ret = -EINVAL;
    const char* profile_name = NULL;

    if (profile == current_power_profile) return 0;

    ALOGV("%s: Profile=%d", __func__, profile);

    if (current_power_profile != PROFILE_BALANCED) {
        undo_hint_action(DEFAULT_PROFILE_HINT_ID);
        ALOGV("%s: Hint undone", __func__);
        current_power_profile = PROFILE_BALANCED;
    }

    if (profile == PROFILE_POWER_SAVE) {
        ret = perform_hint_action(DEFAULT_PROFILE_HINT_ID, profile_power_save,
                                  ARRAY_SIZE(profile_power_save));
        profile_name = "powersave";

    } else if (profile == PROFILE_HIGH_PERFORMANCE) {
        ret = perform_hint_action(DEFAULT_PROFILE_HINT_ID, profile_high_performance,
                                  ARRAY_SIZE(profile_high_performance));
        profile_name = "performance";

    } else if (profile == PROFILE_BIAS_POWER) {
        ret = perform_hint_action(DEFAULT_PROFILE_HINT_ID, profile_bias_power,
                                  ARRAY_SIZE(profile_bias_power));
        profile_name = "bias power";

    } else if (profile == PROFILE_BIAS_PERFORMANCE) {
        ret = perform_hint_action(DEFAULT_PROFILE_HINT_ID, profile_bias_performance,
                                  ARRAY_SIZE(profile_bias_performance));
        profile_name = "bias perf";
    } else if (profile == PROFILE_BALANCED) {
        ret = 0;
        profile_name = "balanced";
    }

    if (ret == 0) {
        current_power_profile = profile;
        ALOGD("%s: Set %s mode", __func__, profile_name);
    }
    return ret;
}

typedef enum {
    NORMAL_MODE = 0,
    SUSTAINED_MODE = 1,
    VR_MODE = 2,
    VR_SUSTAINED_MODE = (SUSTAINED_MODE | VR_MODE),
    INVALID_MODE = 0xFF
} perf_mode_type_t;

typedef struct perf_mode {
    perf_mode_type_t type;
    int perf_hint_id;
} perf_mode_t;

perf_mode_t perf_modes[NUM_PERF_MODES] = {{SUSTAINED_MODE, SUSTAINED_PERF_HINT},
                                          {VR_MODE, VR_MODE_HINT},
                                          {VR_SUSTAINED_MODE, VR_MODE_SUSTAINED_PERF_HINT}};

static int current_mode = NORMAL_MODE;

static inline int get_perfd_hint_id(perf_mode_type_t type) {
    int i;
    for (i = 0; i < NUM_PERF_MODES; i++) {
        if (perf_modes[i].type == type) {
            ALOGD("Hint id is 0x%x for mode 0x%x", perf_modes[i].perf_hint_id, type);
            return perf_modes[i].perf_hint_id;
        }
    }
    ALOGD("Couldn't find the hint for mode 0x%x", type);
    return 0;
}

static int switch_mode(perf_mode_type_t mode) {
    int hint_id = 0;
    static int perfd_mode_handle = -1;

    // release existing mode if any
    if (CHECK_HANDLE(perfd_mode_handle)) {
        ALOGD("Releasing handle 0x%x", perfd_mode_handle);
        release_request(perfd_mode_handle);
        perfd_mode_handle = -1;
    }
    // switch to a perf mode
    hint_id = get_perfd_hint_id(mode);
    if (hint_id != 0) {
        perfd_mode_handle = perf_hint_enable(hint_id, 0);
        if (!CHECK_HANDLE(perfd_mode_handle)) {
            ALOGE("Failed perf_hint_interaction for mode: 0x%x", mode);
            return -1;
        }
        ALOGD("Acquired handle 0x%x", perfd_mode_handle);
    }
    return 0;
}

static int process_perf_hint(void* data, perf_mode_type_t mode) {
    // enable
    if (data) {
        ALOGI("Enable request for mode: 0x%x", mode);
        // check if mode is current mode
        if (current_mode & mode) {
            ALOGD("Mode 0x%x already enabled", mode);
            return HINT_HANDLED;
        }
        // enable requested mode
        if (0 != switch_mode(current_mode | mode)) {
            ALOGE("Couldn't enable mode 0x%x", mode);
            return HINT_NONE;
        }
        current_mode |= mode;
        ALOGI("Current mode is 0x%x", current_mode);
        // disable
    } else {
        ALOGI("Disable request for mode: 0x%x", mode);
        // check if mode is enabled
        if (!(current_mode & mode)) {
            ALOGD("Mode 0x%x already disabled", mode);
            return HINT_HANDLED;
        }
        // disable requested mode
        if (0 != switch_mode(current_mode & ~mode)) {
            ALOGE("Couldn't disable mode 0x%x", mode);
            return HINT_NONE;
        }
        current_mode &= ~mode;
        ALOGI("Current mode is 0x%x", current_mode);
    }

    return HINT_HANDLED;
}

static int process_video_encode_hint(void* metadata) {
    char governor[80];
    struct video_encode_metadata_t video_encode_metadata;
    static int video_encode_handle = 0;

    if (!metadata) return HINT_NONE;

    if (get_scaling_governor(governor, sizeof(governor)) == -1) {
        ALOGE("Can't obtain scaling governor.");
        return HINT_NONE;
    }

    /* Initialize encode metadata struct fields */
    memset(&video_encode_metadata, 0, sizeof(struct video_encode_metadata_t));
    video_encode_metadata.state = -1;

    if (parse_video_encode_metadata((char*)metadata, &video_encode_metadata) == -1) {
        ALOGE("Error occurred while parsing metadata.");
        return HINT_NONE;
    }

    if (video_encode_metadata.state == 1) {
        if (is_interactive_governor(governor)) {
            video_encode_handle = perf_hint_enable(VIDEO_ENCODE_HINT, 0);
            return HINT_HANDLED;
        }
    } else if (video_encode_metadata.state == 0) {
        if (is_interactive_governor(governor)) {
            release_request(video_encode_handle);
            return HINT_HANDLED;
        }
    }
    return HINT_NONE;
}

static void process_interaction_hint(void* data) {
    static struct timespec s_previous_boost_timespec;
    static int s_previous_duration = 0;

    struct timespec cur_boost_timespec;
    long long elapsed_time;
    int duration = kMinInteractiveDuration;

    if (current_mode != NORMAL_MODE) {
        ALOGV("%s: ignoring due to other active perf hints", __func__);
        return;
    }

    if (data) {
        int input_duration = *((int*)data);
        if (input_duration > duration) {
            duration = (input_duration > kMaxInteractiveDuration) ? kMaxInteractiveDuration
                                                                  : input_duration;
        }
    }

    clock_gettime(CLOCK_MONOTONIC, &cur_boost_timespec);

    elapsed_time = calc_timespan_us(s_previous_boost_timespec, cur_boost_timespec);
    // don't hint if previous hint's duration covers this hint's duration
    if ((s_previous_duration * 1000) > (elapsed_time + duration * 1000)) {
        return;
    }
    s_previous_boost_timespec = cur_boost_timespec;
    s_previous_duration = duration;

    perf_hint_enable_with_type(VENDOR_HINT_SCROLL_BOOST, duration, SCROLL_VERTICAL);
}

static int process_activity_launch_hint(void* data) {
    static int launch_handle = -1;
    static int launch_mode = 0;

    // release lock early if launch has finished
    if (!data) {
        if (CHECK_HANDLE(launch_handle)) {
            release_request(launch_handle);
            launch_handle = -1;
        }
        launch_mode = 0;
        return HINT_HANDLED;
    }

    if (current_mode != NORMAL_MODE) {
        ALOGV("%s: ignoring due to other active perf hints", __func__);
    } else if (!launch_mode) {
        launch_handle = perf_hint_enable_with_type(VENDOR_HINT_FIRST_LAUNCH_BOOST,
                                                   kMaxLaunchDuration, LAUNCH_BOOST_V1);
        if (!CHECK_HANDLE(launch_handle)) {
            ALOGE("Failed to perform launch boost");
            return HINT_NONE;
        }
        launch_mode = 1;
    }
    return HINT_HANDLED;
}

int power_hint_override(power_hint_t hint, void* data) {
    int ret_val = HINT_NONE;

    if (hint == POWER_HINT_SET_PROFILE) {
        if (set_power_profile(data) < 0)
            ALOGE("Setting power profile failed. perf HAL not started?");
        return HINT_HANDLED;
    }

    // Skip other hints in high/low power modes
    if (current_power_profile == PROFILE_POWER_SAVE ||
        current_power_profile == PROFILE_HIGH_PERFORMANCE) {
        return HINT_HANDLED;
    }

    switch (hint) {
        case POWER_HINT_VIDEO_ENCODE:
            ret_val = process_video_encode_hint(data);
            break;
        case POWER_HINT_SUSTAINED_PERFORMANCE:
            ret_val = process_perf_hint(data, SUSTAINED_MODE);
            break;
        case POWER_HINT_VR_MODE:
            ret_val = process_perf_hint(data, VR_MODE);
            break;
        case POWER_HINT_INTERACTION:
            process_interaction_hint(data);
            ret_val = HINT_HANDLED;
            break;
        case POWER_HINT_LAUNCH:
            ret_val = process_activity_launch_hint(data);
            break;
        default:
            break;
    }
    return ret_val;
}

int set_interactive_override(int UNUSED(on)) {
    return HINT_HANDLED; /* Don't excecute this code path, not in use */
}