| /* Copyright (c) 2014 The Chromium OS Authors. All rights reserved. |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| /* Motion sense module to read from various motion sensors. */ |
| |
| #include "accelgyro.h" |
| #include "atomic.h" |
| #include "chipset.h" |
| #include "common.h" |
| #include "console.h" |
| #include "gesture.h" |
| #include "hooks.h" |
| #include "host_command.h" |
| #include "hwtimer.h" |
| #include "lid_angle.h" |
| #include "lightbar.h" |
| #include "math_util.h" |
| #include "mkbp_event.h" |
| #include "motion_sense.h" |
| #include "motion_lid.h" |
| #include "power.h" |
| #include "queue.h" |
| #include "tablet_mode.h" |
| #include "timer.h" |
| #include "task.h" |
| #include "util.h" |
| |
| /* Console output macros */ |
| #define CPUTS(outstr) cputs(CC_MOTION_SENSE, outstr) |
| #define CPRINTS(format, args...) cprints(CC_MOTION_SENSE, format, ## args) |
| #define CPRINTF(format, args...) cprintf(CC_MOTION_SENSE, format, ## args) |
| |
| /* |
| * Sampling interval for measuring acceleration and calculating lid angle. |
| */ |
| test_export_static unsigned int motion_interval; |
| |
| /* Delay between FIFO interruption. */ |
| static unsigned int motion_int_interval; |
| |
| /* Minimum time in between running motion sense task loop. */ |
| unsigned int motion_min_interval = CONFIG_MOTION_MIN_SENSE_WAIT_TIME * MSEC; |
| #ifdef CONFIG_CMD_ACCEL_INFO |
| static int accel_disp; |
| #endif |
| |
| #define SENSOR_ACTIVE(_sensor) (sensor_active & (_sensor)->active_mask) |
| |
| #if defined(CONFIG_LPC) || defined(TEST_MOTION_LID) |
| #define UPDATE_HOST_MEM_MAP |
| #endif |
| |
| /* |
| * Adjustment in us to ec rate when calculating interrupt interval: |
| * To be sure the EC will send an interrupt even if it finishes processing |
| * events slightly earlier than the previous period. |
| */ |
| #define MOTION_SENSOR_INT_ADJUSTMENT_US 10 |
| |
| /* |
| * Mutex to protect sensor values between host command task and |
| * motion sense task: |
| * When we process CMD_DUMP, we want to be sure the motion sense |
| * task is not updating the sensor values at the same time. |
| */ |
| static struct mutex g_sensor_mutex; |
| |
| /* |
| * Current power level (S0, S3, S5, ...) |
| */ |
| test_export_static enum chipset_state_mask sensor_active; |
| |
| #ifdef CONFIG_ACCEL_SPOOF_MODE |
| static void print_spoof_mode_status(int id); |
| #endif /* defined(CONFIG_ACCEL_SPOOF_MODE) */ |
| |
| #ifdef CONFIG_ACCEL_FIFO |
| /* Need to wake up the AP */ |
| static int wake_up_needed; |
| |
| /* Need to send flush events */ |
| static int fifo_flush_needed; |
| /* Number of element the AP should collect */ |
| static int fifo_queue_count; |
| static int fifo_int_enabled; |
| |
| struct queue motion_sense_fifo = QUEUE_NULL(CONFIG_ACCEL_FIFO, |
| struct ec_response_motion_sensor_data); |
| static int motion_sense_fifo_lost; |
| |
| static void motion_sense_insert_timestamp(void); |
| |
| void motion_sense_fifo_add_unit(struct ec_response_motion_sensor_data *data, |
| struct motion_sensor_t *sensor, |
| int valid_data) |
| { |
| struct ec_response_motion_sensor_data vector; |
| int i; |
| |
| mutex_lock(&g_sensor_mutex); |
| if (queue_space(&motion_sense_fifo) == 0) { |
| queue_remove_unit(&motion_sense_fifo, &vector); |
| motion_sense_fifo_lost++; |
| motion_sensors[vector.sensor_num].lost++; |
| } |
| for (i = 0; i < valid_data; i++) |
| sensor->xyz[i] = data->data[i]; |
| |
| /* For valid sensors, check if AP really needs this data */ |
| if (valid_data) { |
| int removed; |
| |
| if (sensor->oversampling_ratio == 0) { |
| mutex_unlock(&g_sensor_mutex); |
| return; |
| } |
| removed = sensor->oversampling++; |
| sensor->oversampling %= sensor->oversampling_ratio; |
| if (removed != 0) { |
| mutex_unlock(&g_sensor_mutex); |
| return; |
| } |
| } |
| mutex_unlock(&g_sensor_mutex); |
| if (data->flags & MOTIONSENSE_SENSOR_FLAG_WAKEUP) { |
| /* |
| * Fist, send a timestamp to be sure the event will not |
| * be tied to an old one. |
| */ |
| motion_sense_insert_timestamp(); |
| wake_up_needed = 1; |
| } |
| #ifdef CONFIG_TABLET_MODE |
| data->flags |= (tablet_get_mode() ? |
| MOTIONSENSE_SENSOR_FLAG_TABLET_MODE : 0); |
| #endif |
| mutex_lock(&g_sensor_mutex); |
| queue_add_unit(&motion_sense_fifo, data); |
| mutex_unlock(&g_sensor_mutex); |
| } |
| |
| static void motion_sense_insert_flush(struct motion_sensor_t *sensor) |
| { |
| struct ec_response_motion_sensor_data vector; |
| vector.flags = MOTIONSENSE_SENSOR_FLAG_FLUSH | |
| MOTIONSENSE_SENSOR_FLAG_TIMESTAMP; |
| vector.timestamp = __hw_clock_source_read(); |
| vector.sensor_num = sensor - motion_sensors; |
| |
| motion_sense_fifo_add_unit(&vector, sensor, 0); |
| } |
| |
| static void motion_sense_insert_timestamp(void) |
| { |
| struct ec_response_motion_sensor_data vector; |
| vector.flags = MOTIONSENSE_SENSOR_FLAG_TIMESTAMP; |
| vector.timestamp = __hw_clock_source_read(); |
| vector.sensor_num = 0; |
| motion_sense_fifo_add_unit(&vector, NULL, 0); |
| } |
| |
| static void motion_sense_get_fifo_info( |
| struct ec_response_motion_sense_fifo_info *fifo_info) |
| { |
| fifo_info->size = motion_sense_fifo.buffer_units; |
| mutex_lock(&g_sensor_mutex); |
| fifo_info->count = fifo_queue_count; |
| fifo_info->total_lost = motion_sense_fifo_lost; |
| mutex_unlock(&g_sensor_mutex); |
| fifo_info->timestamp = __hw_clock_source_read(); |
| } |
| #endif |
| |
| /* Minimal amount of time since last collection before triggering a new one */ |
| static inline int motion_sensor_time_to_read(const timestamp_t *ts, |
| const struct motion_sensor_t *sensor) |
| { |
| int rate_mhz = sensor->drv->get_data_rate(sensor); |
| |
| if (rate_mhz == 0) |
| return 0; |
| /* |
| * converting from mHz to us. |
| * If within 95% of the time, check sensor. |
| */ |
| return time_after(ts->le.lo, |
| sensor->last_collection + SECOND * 950 / rate_mhz); |
| } |
| |
| static enum sensor_config motion_sense_get_ec_config(void) |
| { |
| switch (sensor_active) { |
| case SENSOR_ACTIVE_S0: |
| return SENSOR_CONFIG_EC_S0; |
| case SENSOR_ACTIVE_S3: |
| return SENSOR_CONFIG_EC_S3; |
| case SENSOR_ACTIVE_S5: |
| return SENSOR_CONFIG_EC_S5; |
| default: |
| CPRINTS("get_ec_config: Invalid active state: %x", |
| sensor_active); |
| return SENSOR_CONFIG_MAX; |
| } |
| } |
| /* motion_sense_set_data_rate |
| * |
| * Set the sensor data rate. It is altered when the AP change the data |
| * rate or when the power state changes. |
| */ |
| int motion_sense_set_data_rate(struct motion_sensor_t *sensor) |
| { |
| int roundup, ap_odr_mhz = 0, ec_odr_mhz, odr, ret; |
| enum sensor_config config_id; |
| timestamp_t ts = get_time(); |
| |
| /* We assume the sensor is initialized */ |
| |
| /* Check the AP setting first. */ |
| if (sensor_active != SENSOR_ACTIVE_S5) |
| ap_odr_mhz = BASE_ODR(sensor->config[SENSOR_CONFIG_AP].odr); |
| |
| /* check if the EC set the sensor ODR at a higher frequency */ |
| config_id = motion_sense_get_ec_config(); |
| ec_odr_mhz = BASE_ODR(sensor->config[config_id].odr); |
| if (ec_odr_mhz > ap_odr_mhz) { |
| odr = ec_odr_mhz; |
| } else { |
| odr = ap_odr_mhz; |
| config_id = SENSOR_CONFIG_AP; |
| } |
| roundup = !!(sensor->config[config_id].odr & ROUND_UP_FLAG); |
| ret = sensor->drv->set_data_rate(sensor, odr, roundup); |
| if (ret) |
| return ret; |
| |
| #ifdef CONFIG_CONSOLE_VERBOSE |
| CPRINTS("%s ODR: %d - roundup %d from config %d [AP %d]", |
| sensor->name, odr, roundup, config_id, |
| BASE_ODR(sensor->config[SENSOR_CONFIG_AP].odr)); |
| #else |
| CPRINTS("%c%d ODR %d rup %d cfg %d AP %d", |
| sensor->name[0], sensor->type, odr, roundup, config_id, |
| BASE_ODR(sensor->config[SENSOR_CONFIG_AP].odr)); |
| #endif |
| mutex_lock(&g_sensor_mutex); |
| if (ap_odr_mhz) |
| /* |
| * In case the AP want to run the sensors faster than it can, |
| * be sure we don't see the ratio to 0. |
| */ |
| sensor->oversampling_ratio = MAX(1, |
| sensor->drv->get_data_rate(sensor) / ap_odr_mhz); |
| else |
| sensor->oversampling_ratio = 0; |
| |
| /* |
| * Reset last collection: the last collection may be so much in the past |
| * it may appear to be in the future. |
| */ |
| sensor->last_collection = ts.le.lo; |
| sensor->oversampling = 0; |
| mutex_unlock(&g_sensor_mutex); |
| return 0; |
| } |
| |
| static int motion_sense_set_ec_rate_from_ap( |
| const struct motion_sensor_t *sensor, |
| unsigned int new_rate_us) |
| { |
| int odr_mhz = sensor->drv->get_data_rate(sensor); |
| |
| if (new_rate_us == 0) |
| return 0; |
| #ifdef CONFIG_ACCEL_FORCE_MODE_MASK |
| if (CONFIG_ACCEL_FORCE_MODE_MASK & (1 << (sensor - motion_sensors))) |
| /* |
| * AP EC sampling rate does not matter: we will collect at the |
| * requested sensor frequency. |
| */ |
| goto end_set_ec_rate_from_ap; |
| #endif |
| if (odr_mhz == 0) |
| goto end_set_ec_rate_from_ap; |
| |
| /* |
| * If the EC collection rate is close to the sensor data rate, |
| * given variation from the EC scheduler, it is possible that a sensor |
| * will not present any measurement for a given time slice, and then 2 |
| * measurement for the next. That will create a large interval between |
| * 2 measurements. |
| * To prevent that, increase the EC period by 5% to be sure to get at |
| * least one measurement at every collection time. |
| * We will apply that correction only if the ec rate is within 10% of |
| * the data rate. |
| */ |
| if (SECOND * 1100 / odr_mhz > new_rate_us) |
| new_rate_us = new_rate_us / 100 * 105; |
| |
| end_set_ec_rate_from_ap: |
| return MAX(new_rate_us, motion_min_interval); |
| } |
| |
| |
| /* |
| * motion_sense_select_ec_rate |
| * |
| * Calculate the ec_rate for a given sensor. |
| * - sensor: sensor to use |
| * - config_id: determine the requester (AP or EC). |
| * - interrupt: |
| * If interrupt is set: return the sampling rate requested by AP or EC. |
| * If interrupt is not set and the sensor is in forced mode, |
| * we return the rate needed to probe the sensor at the right ODR. |
| * otherwise return the sampling rate requested by AP or EC. |
| * |
| * return rate in us. |
| */ |
| static int motion_sense_select_ec_rate( |
| const struct motion_sensor_t *sensor, |
| enum sensor_config config_id, |
| int interrupt) |
| { |
| #ifdef CONFIG_ACCEL_FORCE_MODE_MASK |
| if (interrupt == 0 && |
| (CONFIG_ACCEL_FORCE_MODE_MASK & (1 << (sensor - motion_sensors)))) { |
| int rate_mhz = BASE_ODR(sensor->config[config_id].odr); |
| /* we have to run ec at the sensor frequency rate.*/ |
| if (rate_mhz > 0) |
| return SECOND * 1000 / rate_mhz; |
| else |
| return 0; |
| } else |
| #endif |
| return sensor->config[config_id].ec_rate; |
| } |
| |
| /* motion_sense_ec_rate |
| * |
| * Calculate the sensor ec rate. It will be use to set the motion task polling |
| * rate. |
| * |
| * Return the EC rate, in us. |
| */ |
| static int motion_sense_ec_rate(struct motion_sensor_t *sensor) |
| { |
| int ec_rate = 0, ec_rate_from_cfg; |
| |
| /* Check the AP setting first. */ |
| if (sensor_active != SENSOR_ACTIVE_S5) |
| ec_rate = motion_sense_select_ec_rate( |
| sensor, SENSOR_CONFIG_AP, 0); |
| |
| ec_rate_from_cfg = motion_sense_select_ec_rate( |
| sensor, motion_sense_get_ec_config(), 0); |
| |
| if (ec_rate_from_cfg != 0) |
| if (ec_rate == 0 || ec_rate_from_cfg < ec_rate) |
| ec_rate = ec_rate_from_cfg; |
| return ec_rate; |
| } |
| |
| /* |
| * motion_sense_set_motion_intervals |
| * |
| * Set the wake up interval for the motion sense thread. |
| * It is set to the highest frequency one of the sensors need to be polled at. |
| * |
| * Note: Not static to be tested. |
| */ |
| static int motion_sense_set_motion_intervals(void) |
| { |
| int i, sensor_ec_rate, ec_rate = 0, ec_int_rate = 0; |
| struct motion_sensor_t *sensor; |
| for (i = 0; i < motion_sensor_count; ++i) { |
| sensor = &motion_sensors[i]; |
| /* |
| * If the sensor is sleeping, no need to check it periodically. |
| */ |
| if ((sensor->state != SENSOR_INITIALIZED) || |
| (sensor->drv->get_data_rate(sensor) == 0)) |
| continue; |
| |
| sensor_ec_rate = motion_sense_ec_rate(sensor); |
| if (sensor_ec_rate == 0) |
| continue; |
| if (ec_rate == 0 || sensor_ec_rate < ec_rate) |
| ec_rate = sensor_ec_rate; |
| |
| sensor_ec_rate = motion_sense_select_ec_rate( |
| sensor, SENSOR_CONFIG_AP, 1); |
| if (ec_int_rate == 0 || |
| (sensor_ec_rate && sensor_ec_rate < ec_int_rate)) |
| ec_int_rate = sensor_ec_rate; |
| } |
| motion_interval = ec_rate; |
| |
| motion_int_interval = |
| MAX(0, ec_int_rate - MOTION_SENSOR_INT_ADJUSTMENT_US); |
| /* |
| * Wake up the motion sense task: we want to sensor task to take |
| * in account the new period right away. |
| */ |
| task_wake(TASK_ID_MOTIONSENSE); |
| return motion_interval; |
| } |
| |
| static inline int motion_sense_init(struct motion_sensor_t *sensor) |
| { |
| int ret, cnt = 3; |
| |
| /* By default, report the actual sensor values. */ |
| sensor->in_spoof_mode = 0; |
| |
| /* Initialize accelerometers. */ |
| do { |
| ret = sensor->drv->init(sensor); |
| } while ((ret != EC_SUCCESS) && (--cnt > 0)); |
| |
| if (ret != EC_SUCCESS) { |
| sensor->state = SENSOR_INIT_ERROR; |
| } else { |
| sensor->state = SENSOR_INITIALIZED; |
| motion_sense_set_data_rate(sensor); |
| } |
| return ret; |
| } |
| |
| /* |
| * motion_sense_switch_sensor_rate |
| * |
| * Suspend all sensors that are not needed. |
| * Mark them as uninitialized, they will lose power and |
| * need to be initialized again. |
| */ |
| static void motion_sense_switch_sensor_rate(void) |
| { |
| int i, ret; |
| struct motion_sensor_t *sensor; |
| for (i = 0; i < motion_sensor_count; ++i) { |
| sensor = &motion_sensors[i]; |
| if (SENSOR_ACTIVE(sensor)) { |
| /* Initialize or just back the odr previously set. */ |
| if (sensor->state == SENSOR_INITIALIZED) { |
| motion_sense_set_data_rate(sensor); |
| } else { |
| ret = motion_sense_init(sensor); |
| if (ret != EC_SUCCESS) { |
| CPRINTS("%s: %d: init failed: %d", |
| sensor->name, i, ret); |
| #ifdef CONFIG_LID_ANGLE_TABLET_MODE |
| /* |
| * No tablet mode allowed if an accel |
| * is not working. |
| */ |
| if (i == CONFIG_LID_ANGLE_SENSOR_BASE || |
| i == CONFIG_LID_ANGLE_SENSOR_LID) { |
| tablet_set_mode(0); |
| } |
| #endif |
| } |
| } |
| } else { |
| /* The sensors are being powered off */ |
| if (sensor->state == SENSOR_INITIALIZED) |
| sensor->state = SENSOR_NOT_INITIALIZED; |
| } |
| } |
| motion_sense_set_motion_intervals(); |
| } |
| DECLARE_DEFERRED(motion_sense_switch_sensor_rate); |
| |
| static void motion_sense_shutdown(void) |
| { |
| int i; |
| struct motion_sensor_t *sensor; |
| #ifdef CONFIG_GESTURE_DETECTION_MASK |
| uint32_t enabled = 0, disabled, mask; |
| #endif |
| |
| sensor_active = SENSOR_ACTIVE_S5; |
| for (i = 0; i < motion_sensor_count; i++) { |
| sensor = &motion_sensors[i]; |
| /* Forget about changes made by the AP */ |
| sensor->config[SENSOR_CONFIG_AP].odr = 0; |
| sensor->config[SENSOR_CONFIG_AP].ec_rate = 0; |
| } |
| motion_sense_switch_sensor_rate(); |
| |
| /* Forget activities set by the AP */ |
| #ifdef CONFIG_GESTURE_DETECTION_MASK |
| mask = CONFIG_GESTURE_DETECTION_MASK; |
| while (mask) { |
| i = get_next_bit(&mask); |
| sensor = &motion_sensors[i]; |
| if (sensor->state != SENSOR_INITIALIZED) |
| continue; |
| sensor->drv->list_activities(sensor, |
| &enabled, &disabled); |
| /* exclude double tap, it is used internally. */ |
| enabled &= ~(1 << MOTIONSENSE_ACTIVITY_DOUBLE_TAP); |
| while (enabled) { |
| int activity = get_next_bit(&enabled); |
| sensor->drv->manage_activity(sensor, activity, 0, NULL); |
| } |
| /* Re-enable double tap in case AP disabled it */ |
| sensor->drv->manage_activity(sensor, |
| MOTIONSENSE_ACTIVITY_DOUBLE_TAP, 1, NULL); |
| } |
| #endif |
| } |
| DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, motion_sense_shutdown, |
| MOTION_SENSE_HOOK_PRIO); |
| |
| static void motion_sense_suspend(void) |
| { |
| /* |
| * If we are coming from S5, don't enter suspend: |
| * We will go in SO almost immediately. |
| */ |
| if (sensor_active == SENSOR_ACTIVE_S5) |
| return; |
| |
| sensor_active = SENSOR_ACTIVE_S3; |
| |
| /* |
| * During shutdown sequence sensor rails can be powered down |
| * asynchronously to the EC hence EC cannot interlock the sensor |
| * states with the power down states. To avoid this issue, defer |
| * switching the sensors rate with a configurable delay if in S3. |
| * By the time deferred function is serviced, if the chipset is |
| * in S5 we can back out from switching the sensor rate. |
| * |
| * TODO: This does not fix the issue completely. It is mitigating |
| * some of the accesses when we're going from S0->S5 with a very |
| * brief stop in S3. |
| */ |
| hook_call_deferred(&motion_sense_switch_sensor_rate_data, |
| CONFIG_MOTION_SENSE_SUSPEND_DELAY_US); |
| } |
| DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, motion_sense_suspend, |
| MOTION_SENSE_HOOK_PRIO); |
| |
| static void motion_sense_resume(void) |
| { |
| sensor_active = SENSOR_ACTIVE_S0; |
| motion_sense_switch_sensor_rate(); |
| } |
| DECLARE_HOOK(HOOK_CHIPSET_RESUME, motion_sense_resume, |
| MOTION_SENSE_HOOK_PRIO); |
| |
| static void motion_sense_startup(void) |
| { |
| /* |
| * If the AP is already in S0, call the resume hook now. |
| * We may initialize the sensor 2 times (once in RO, another time in |
| * RW), but it may be necessary if the init sequence has changed. |
| */ |
| if (chipset_in_state(SENSOR_ACTIVE_S0_S3_S5)) |
| motion_sense_shutdown(); |
| if (chipset_in_state(SENSOR_ACTIVE_S0_S3)) |
| motion_sense_suspend(); |
| if (chipset_in_state(SENSOR_ACTIVE_S0)) |
| motion_sense_resume(); |
| } |
| DECLARE_HOOK(HOOK_INIT, motion_sense_startup, |
| MOTION_SENSE_HOOK_PRIO); |
| |
| /* Write to LPC status byte to represent that accelerometers are present. */ |
| static inline void set_present(uint8_t *lpc_status) |
| { |
| *lpc_status |= EC_MEMMAP_ACC_STATUS_PRESENCE_BIT; |
| } |
| |
| #ifdef UPDATE_HOST_MEM_MAP |
| /* Update/Write LPC data */ |
| static inline void update_sense_data(uint8_t *lpc_status, int *psample_id) |
| { |
| int i; |
| uint16_t *lpc_data = (uint16_t *)host_get_memmap(EC_MEMMAP_ACC_DATA); |
| #if (!defined HAS_TASK_ALS) && (defined CONFIG_ALS) |
| uint16_t *lpc_als = (uint16_t *)host_get_memmap(EC_MEMMAP_ALS); |
| #endif |
| struct motion_sensor_t *sensor; |
| /* |
| * Set the busy bit before writing the sensor data. Increment |
| * the counter and clear the busy bit after writing the sensor |
| * data. On the host side, the host needs to make sure the busy |
| * bit is not set and that the counter remains the same before |
| * and after reading the data. |
| */ |
| *lpc_status |= EC_MEMMAP_ACC_STATUS_BUSY_BIT; |
| |
| /* |
| * Copy sensor data to shared memory. Note that this code |
| * assumes little endian, which is what the host expects. Also, |
| * note that we share the lid angle calculation with host only |
| * for debugging purposes. The EC lid angle is an approximation |
| * with uncalibrated accelerometers. The AP calculates a separate, |
| * more accurate lid angle. |
| */ |
| #ifdef CONFIG_LID_ANGLE |
| lpc_data[0] = motion_lid_get_angle(); |
| #else |
| lpc_data[0] = LID_ANGLE_UNRELIABLE; |
| #endif |
| /* Assumptions on the list of sensors */ |
| for (i = 0; i < MIN(motion_sensor_count, 3); i++) { |
| sensor = &motion_sensors[i]; |
| lpc_data[1+3*i] = sensor->xyz[X]; |
| lpc_data[2+3*i] = sensor->xyz[Y]; |
| lpc_data[3+3*i] = sensor->xyz[Z]; |
| } |
| |
| #if (!defined HAS_TASK_ALS) && (defined CONFIG_ALS) |
| for (i = 0; i < EC_ALS_ENTRIES && i < ALS_COUNT; i++) |
| lpc_als[i] = motion_als_sensors[i]->xyz[X]; |
| #endif |
| |
| /* |
| * Increment sample id and clear busy bit to signal we finished |
| * updating data. |
| */ |
| *psample_id = (*psample_id + 1) & |
| EC_MEMMAP_ACC_STATUS_SAMPLE_ID_MASK; |
| *lpc_status = EC_MEMMAP_ACC_STATUS_PRESENCE_BIT | *psample_id; |
| } |
| #endif |
| |
| static int motion_sense_read(struct motion_sensor_t *sensor) |
| { |
| if (sensor->state != SENSOR_INITIALIZED) |
| return EC_ERROR_UNKNOWN; |
| |
| if (sensor->drv->get_data_rate(sensor) == 0) |
| return EC_ERROR_NOT_POWERED; |
| |
| #ifdef CONFIG_ACCEL_SPOOF_MODE |
| /* |
| * If the sensor is in spoof mode, the readings are already present in |
| * spoof_xyz. |
| */ |
| if (sensor->in_spoof_mode) |
| return EC_SUCCESS; |
| #endif /* defined(CONFIG_ACCEL_SPOOF_MODE) */ |
| |
| /* Otherwise, read all raw X,Y,Z accelerations. */ |
| return sensor->drv->read(sensor, sensor->raw_xyz); |
| } |
| |
| static int motion_sense_process(struct motion_sensor_t *sensor, |
| uint32_t *event, |
| const timestamp_t *ts) |
| { |
| int ret = EC_SUCCESS; |
| |
| #ifdef CONFIG_ACCEL_INTERRUPTS |
| if ((*event & TASK_EVENT_MOTION_INTERRUPT_MASK) && |
| (sensor->drv->irq_handler != NULL)) { |
| ret = sensor->drv->irq_handler(sensor, event); |
| } |
| #endif |
| #ifdef CONFIG_ACCEL_FIFO |
| if (sensor->drv->load_fifo != NULL) { |
| /* Load fifo is filling raw_xyz sensor vector */ |
| sensor->drv->load_fifo(sensor); |
| } else if (motion_sensor_time_to_read(ts, sensor)) { |
| struct ec_response_motion_sensor_data vector; |
| int *v = sensor->raw_xyz; |
| ret = motion_sense_read(sensor); |
| if (ret == EC_SUCCESS) { |
| vector.flags = 0; |
| vector.sensor_num = sensor - motion_sensors; |
| #ifdef CONFIG_ACCEL_SPOOF_MODE |
| if (sensor->in_spoof_mode) |
| v = sensor->spoof_xyz; |
| #endif /* defined(CONFIG_ACCEL_SPOOF_MODE) */ |
| vector.data[X] = v[X]; |
| vector.data[Y] = v[Y]; |
| vector.data[Z] = v[Z]; |
| motion_sense_fifo_add_unit(&vector, sensor, 3); |
| } |
| sensor->last_collection = ts->le.lo; |
| } else { |
| ret = EC_ERROR_BUSY; |
| } |
| if (*event & TASK_EVENT_MOTION_FLUSH_PENDING) { |
| int flush_pending; |
| flush_pending = atomic_read_clear(&sensor->flush_pending); |
| for (; flush_pending > 0; flush_pending--) { |
| fifo_flush_needed = 1; |
| motion_sense_insert_flush(sensor); |
| } |
| } |
| #else |
| if (motion_sensor_time_to_read(ts, sensor)) { |
| /* Get latest data for local calculation */ |
| ret = motion_sense_read(sensor); |
| sensor->last_collection = ts->le.lo; |
| } else { |
| ret = EC_ERROR_BUSY; |
| } |
| if (ret == EC_SUCCESS) { |
| mutex_lock(&g_sensor_mutex); |
| memcpy(sensor->xyz, sensor->raw_xyz, sizeof(sensor->xyz)); |
| mutex_unlock(&g_sensor_mutex); |
| } |
| |
| #endif |
| return ret; |
| } |
| |
| /* |
| * Motion Sense Task |
| * Requirement: motion_sensors[] are defined in board.c file. |
| * Two (minimum) Accelerometers: |
| * 1 in the A/B(lid, display) and 1 in the C/D(base, keyboard) |
| * Gyro Sensor (optional) |
| */ |
| void motion_sense_task(void) |
| { |
| int i, ret, wait_us; |
| timestamp_t ts_begin_task, ts_end_task; |
| uint32_t event = 0; |
| uint16_t ready_status; |
| struct motion_sensor_t *sensor; |
| #ifdef CONFIG_LID_ANGLE |
| const uint16_t lid_angle_sensors = ((1 << CONFIG_LID_ANGLE_SENSOR_BASE)| |
| (1 << CONFIG_LID_ANGLE_SENSOR_LID)); |
| #endif |
| #ifdef CONFIG_ACCEL_FIFO |
| timestamp_t ts_last_int; |
| #endif |
| #ifdef UPDATE_HOST_MEM_MAP |
| int sample_id = 0; |
| uint8_t *lpc_status; |
| |
| lpc_status = host_get_memmap(EC_MEMMAP_ACC_STATUS); |
| set_present(lpc_status); |
| #endif |
| |
| #ifdef CONFIG_ACCEL_FIFO |
| ts_last_int = get_time(); |
| #endif |
| while (1) { |
| ts_begin_task = get_time(); |
| ready_status = 0; |
| for (i = 0; i < motion_sensor_count; ++i) { |
| |
| sensor = &motion_sensors[i]; |
| |
| /* if the sensor is active in the current power state */ |
| if (SENSOR_ACTIVE(sensor)) { |
| if (sensor->state != SENSOR_INITIALIZED) { |
| continue; |
| } |
| |
| ret = motion_sense_process(sensor, &event, |
| &ts_begin_task); |
| if (ret != EC_SUCCESS) |
| continue; |
| ready_status |= (1 << i); |
| } |
| } |
| |
| #ifdef CONFIG_GESTURE_DETECTION |
| #ifdef CONFIG_GESTURE_SW_DETECTION |
| /* Run gesture recognition engine */ |
| gesture_calc(&event); |
| #endif |
| #ifdef CONFIG_GESTURE_SENSOR_BATTERY_TAP |
| if (event & CONFIG_GESTURE_TAP_EVENT) { |
| #ifdef CONFIG_GESTURE_HOST_DETECTION |
| struct ec_response_motion_sensor_data vector; |
| |
| /* |
| * Send events to the FIFO |
| * AP is ignoring double tap event, do no wake up and no |
| * automatic disable. |
| */ |
| vector.flags = 0; |
| vector.activity = MOTIONSENSE_ACTIVITY_DOUBLE_TAP; |
| vector.state = 1; /* triggered */ |
| vector.sensor_num = MOTION_SENSE_ACTIVITY_SENSOR_ID; |
| motion_sense_fifo_add_unit(&vector, NULL, 0); |
| #endif |
| CPRINTS("double tap!"); |
| lightbar_sequence(LIGHTBAR_TAP); |
| } |
| #endif |
| #ifdef CONFIG_GESTURE_SIGMO |
| if (event & CONFIG_GESTURE_SIGMO_EVENT) { |
| struct motion_sensor_t *activity_sensor; |
| #ifdef CONFIG_GESTURE_HOST_DETECTION |
| struct ec_response_motion_sensor_data vector; |
| |
| /* Send events to the FIFO */ |
| vector.flags = MOTIONSENSE_SENSOR_FLAG_WAKEUP; |
| vector.activity = MOTIONSENSE_ACTIVITY_SIG_MOTION; |
| vector.state = 1; /* triggered */ |
| vector.sensor_num = MOTION_SENSE_ACTIVITY_SENSOR_ID; |
| motion_sense_fifo_add_unit(&vector, NULL, 0); |
| #endif |
| CPRINTS("significant motion"); |
| /* Disable further detection */ |
| activity_sensor = &motion_sensors[CONFIG_GESTURE_SIGMO]; |
| activity_sensor->drv->manage_activity( |
| activity_sensor, |
| MOTIONSENSE_ACTIVITY_SIG_MOTION, |
| 0, NULL); |
| } |
| #endif |
| #endif |
| #ifdef CONFIG_LID_ANGLE |
| /* |
| * Check to see that the sensors required for lid angle |
| * calculation are ready. |
| */ |
| ready_status &= lid_angle_sensors; |
| if (ready_status == lid_angle_sensors) |
| motion_lid_calc(); |
| #endif |
| #ifdef CONFIG_CMD_ACCEL_INFO |
| if (accel_disp) { |
| CPRINTF("[%T event 0x%08x ", event); |
| for (i = 0; i < motion_sensor_count; ++i) { |
| sensor = &motion_sensors[i]; |
| CPRINTF("%s=%-5d, %-5d, %-5d ", sensor->name, |
| sensor->xyz[X], |
| sensor->xyz[Y], |
| sensor->xyz[Z]); |
| } |
| #ifdef CONFIG_LID_ANGLE |
| CPRINTF("a=%-4d", motion_lid_get_angle()); |
| #endif |
| CPRINTF("]\n"); |
| } |
| #endif |
| #ifdef UPDATE_HOST_MEM_MAP |
| update_sense_data(lpc_status, &sample_id); |
| #endif |
| |
| ts_end_task = get_time(); |
| #ifdef CONFIG_ACCEL_FIFO |
| /* |
| * Ask the host to flush the queue if |
| * - a flush event has been queued. |
| * - the queue is almost full, |
| * - we haven't done it for a while. |
| */ |
| if (fifo_flush_needed || wake_up_needed || |
| event & TASK_EVENT_MOTION_ODR_CHANGE || |
| queue_space(&motion_sense_fifo) < CONFIG_ACCEL_FIFO_THRES || |
| (motion_int_interval > 0 && |
| time_after(ts_end_task.le.lo, |
| ts_last_int.le.lo + motion_int_interval))) { |
| if (!fifo_flush_needed) |
| motion_sense_insert_timestamp(); |
| fifo_flush_needed = 0; |
| ts_last_int = ts_end_task; |
| /* |
| * Count the number of event the AP is allowed to |
| * collect. |
| */ |
| mutex_lock(&g_sensor_mutex); |
| fifo_queue_count = queue_count(&motion_sense_fifo); |
| mutex_unlock(&g_sensor_mutex); |
| #ifdef CONFIG_MKBP_EVENT |
| /* |
| * Send an event if we know we are in S0 and the kernel |
| * driver is listening, or the AP needs to be waken up. |
| * In the latter case, the driver pulls the event and |
| * will resume listening until it is suspended again. |
| */ |
| if ((fifo_int_enabled && |
| sensor_active == SENSOR_ACTIVE_S0) || |
| wake_up_needed) { |
| mkbp_send_event(EC_MKBP_EVENT_SENSOR_FIFO); |
| wake_up_needed = 0; |
| } |
| #endif |
| } |
| #endif |
| if (motion_interval > 0) { |
| /* |
| * Delay appropriately to keep sampling time |
| * consistent. |
| */ |
| wait_us = motion_interval - |
| (ts_end_task.val - ts_begin_task.val); |
| |
| /* and it cannnot be negative */ |
| wait_us = MAX(wait_us, 0); |
| |
| /* |
| * Guarantee some minimum delay to allow other lower |
| * priority tasks to run. |
| */ |
| if (wait_us < motion_min_interval) |
| wait_us = motion_min_interval; |
| } else { |
| wait_us = -1; |
| } |
| |
| event = task_wait_event(wait_us); |
| } |
| } |
| |
| #ifdef CONFIG_ACCEL_FIFO |
| static int motion_sense_get_next_event(uint8_t *out) |
| { |
| union ec_response_get_next_data *data = |
| (union ec_response_get_next_data *)out; |
| /* out is not padded. It has one byte for the event type */ |
| motion_sense_get_fifo_info(&data->sensor_fifo.info); |
| return sizeof(data->sensor_fifo); |
| } |
| |
| DECLARE_EVENT_SOURCE(EC_MKBP_EVENT_SENSOR_FIFO, motion_sense_get_next_event); |
| #endif |
| /*****************************************************************************/ |
| /* Host commands */ |
| |
| /* Function to map host sensor IDs to motion sensor. */ |
| static struct motion_sensor_t |
| *host_sensor_id_to_real_sensor(int host_id) |
| { |
| struct motion_sensor_t *sensor; |
| |
| if (host_id >= motion_sensor_count) |
| return NULL; |
| sensor = &motion_sensors[host_id]; |
| |
| /* if sensor is powered and initialized, return match */ |
| if (SENSOR_ACTIVE(sensor) && (sensor->state == SENSOR_INITIALIZED)) |
| return sensor; |
| |
| /* If no match then the EC currently doesn't support ID received. */ |
| return NULL; |
| } |
| |
| static struct motion_sensor_t |
| *host_sensor_id_to_motion_sensor(int host_id) |
| { |
| #ifdef CONFIG_GESTURE_HOST_DETECTION |
| if (host_id == MOTION_SENSE_ACTIVITY_SENSOR_ID) |
| /* |
| * Return the info for the first sensor that |
| * support some gestures. |
| */ |
| return host_sensor_id_to_real_sensor( |
| __builtin_ctz(CONFIG_GESTURE_DETECTION_MASK)); |
| #endif |
| return host_sensor_id_to_real_sensor(host_id); |
| } |
| |
| static int host_cmd_motion_sense(struct host_cmd_handler_args *args) |
| { |
| const struct ec_params_motion_sense *in = args->params; |
| struct ec_response_motion_sense *out = args->response; |
| struct motion_sensor_t *sensor; |
| int i, ret = EC_RES_INVALID_PARAM, reported; |
| |
| switch (in->cmd) { |
| case MOTIONSENSE_CMD_DUMP: |
| out->dump.module_flags = |
| (*(host_get_memmap(EC_MEMMAP_ACC_STATUS)) & |
| EC_MEMMAP_ACC_STATUS_PRESENCE_BIT) ? |
| MOTIONSENSE_MODULE_FLAG_ACTIVE : 0; |
| out->dump.sensor_count = ALL_MOTION_SENSORS; |
| args->response_size = sizeof(out->dump); |
| reported = MIN(ALL_MOTION_SENSORS, in->dump.max_sensor_count); |
| mutex_lock(&g_sensor_mutex); |
| for (i = 0; i < reported; i++) { |
| out->dump.sensor[i].flags = |
| MOTIONSENSE_SENSOR_FLAG_PRESENT; |
| if (i < motion_sensor_count) { |
| sensor = &motion_sensors[i]; |
| /* casting from int to s16 */ |
| out->dump.sensor[i].data[X] = sensor->xyz[X]; |
| out->dump.sensor[i].data[Y] = sensor->xyz[Y]; |
| out->dump.sensor[i].data[Z] = sensor->xyz[Z]; |
| } else { |
| memset(out->dump.sensor[i].data, 0, |
| 3 * sizeof(int16_t)); |
| } |
| } |
| mutex_unlock(&g_sensor_mutex); |
| args->response_size += reported * |
| sizeof(struct ec_response_motion_sensor_data); |
| break; |
| |
| case MOTIONSENSE_CMD_DATA: |
| sensor = host_sensor_id_to_real_sensor( |
| in->sensor_odr.sensor_num); |
| if (sensor == NULL) |
| return EC_RES_INVALID_PARAM; |
| |
| out->data.flags = 0; |
| |
| mutex_lock(&g_sensor_mutex); |
| out->data.data[X] = sensor->xyz[X]; |
| out->data.data[Y] = sensor->xyz[Y]; |
| out->data.data[Z] = sensor->xyz[Z]; |
| mutex_unlock(&g_sensor_mutex); |
| args->response_size = sizeof(out->data); |
| break; |
| |
| case MOTIONSENSE_CMD_INFO: |
| sensor = host_sensor_id_to_motion_sensor( |
| in->sensor_odr.sensor_num); |
| if (sensor == NULL) |
| return EC_RES_INVALID_PARAM; |
| |
| #ifdef CONFIG_GESTURE_HOST_DETECTION |
| if (in->sensor_odr.sensor_num == |
| MOTION_SENSE_ACTIVITY_SENSOR_ID) |
| out->info.type = MOTIONSENSE_TYPE_ACTIVITY; |
| else |
| #endif |
| out->info.type = sensor->type; |
| out->info.location = sensor->location; |
| out->info.chip = sensor->chip; |
| |
| args->response_size = sizeof(out->info); |
| break; |
| |
| case MOTIONSENSE_CMD_EC_RATE: |
| sensor = host_sensor_id_to_real_sensor( |
| in->sensor_odr.sensor_num); |
| if (sensor == NULL) |
| return EC_RES_INVALID_PARAM; |
| |
| /* |
| * Set new sensor sampling rate when AP is on, if the data arg |
| * has a value. |
| */ |
| if (in->ec_rate.data != EC_MOTION_SENSE_NO_VALUE) { |
| sensor->config[SENSOR_CONFIG_AP].ec_rate = |
| motion_sense_set_ec_rate_from_ap( |
| sensor, in->ec_rate.data * MSEC); |
| /* Bound the new sampling rate. */ |
| motion_sense_set_motion_intervals(); |
| } |
| |
| out->ec_rate.ret = motion_sense_ec_rate(sensor) / MSEC; |
| |
| args->response_size = sizeof(out->ec_rate); |
| break; |
| |
| case MOTIONSENSE_CMD_SENSOR_ODR: |
| /* Verify sensor number is valid. */ |
| sensor = host_sensor_id_to_real_sensor( |
| in->sensor_odr.sensor_num); |
| if (sensor == NULL) |
| return EC_RES_INVALID_PARAM; |
| |
| /* Set new data rate if the data arg has a value. */ |
| if (in->sensor_odr.data != EC_MOTION_SENSE_NO_VALUE) { |
| #ifdef CONFIG_ACCEL_FIFO |
| /* |
| * To be sure timestamps are calculated properly, |
| * Send an event to have a timestamp inserted in the |
| * FIFO. |
| */ |
| motion_sense_insert_timestamp(); |
| #endif |
| sensor->config[SENSOR_CONFIG_AP].odr = |
| in->sensor_odr.data | |
| (in->sensor_odr.roundup ? ROUND_UP_FLAG : 0); |
| |
| ret = motion_sense_set_data_rate(sensor); |
| if (ret != EC_SUCCESS) |
| return EC_RES_INVALID_PARAM; |
| |
| #ifdef CONFIG_ACCEL_FIFO |
| /* |
| * The new ODR may suspend sensor, leaving samples |
| * in the FIFO. Flush it explicitly. |
| */ |
| task_set_event(TASK_ID_MOTIONSENSE, |
| TASK_EVENT_MOTION_ODR_CHANGE, 0); |
| #endif |
| /* |
| * If the sensor was suspended before, or now |
| * suspended, we have to recalculate the EC sampling |
| * rate |
| */ |
| motion_sense_set_motion_intervals(); |
| } |
| |
| out->sensor_odr.ret = sensor->drv->get_data_rate(sensor); |
| |
| args->response_size = sizeof(out->sensor_odr); |
| |
| break; |
| |
| case MOTIONSENSE_CMD_SENSOR_RANGE: |
| /* Verify sensor number is valid. */ |
| sensor = host_sensor_id_to_real_sensor( |
| in->sensor_range.sensor_num); |
| if (sensor == NULL) |
| return EC_RES_INVALID_PARAM; |
| |
| /* Set new range if the data arg has a value. */ |
| if (in->sensor_range.data != EC_MOTION_SENSE_NO_VALUE) { |
| if (sensor->drv->set_range(sensor, |
| in->sensor_range.data, |
| in->sensor_range.roundup) |
| != EC_SUCCESS) { |
| return EC_RES_INVALID_PARAM; |
| } |
| } |
| |
| out->sensor_range.ret = sensor->drv->get_range(sensor); |
| args->response_size = sizeof(out->sensor_range); |
| break; |
| |
| case MOTIONSENSE_CMD_SENSOR_OFFSET: |
| /* Verify sensor number is valid. */ |
| sensor = host_sensor_id_to_real_sensor( |
| in->sensor_offset.sensor_num); |
| if (sensor == NULL) |
| return EC_RES_INVALID_PARAM; |
| |
| /* Set new range if the data arg has a value. */ |
| if (in->sensor_offset.flags & MOTION_SENSE_SET_OFFSET) { |
| ret = sensor->drv->set_offset(sensor, |
| in->sensor_offset.offset, |
| in->sensor_offset.temp); |
| if (ret != EC_SUCCESS) |
| return ret; |
| } |
| |
| ret = sensor->drv->get_offset(sensor, out->sensor_offset.offset, |
| &out->sensor_offset.temp); |
| if (ret != EC_SUCCESS) |
| return ret; |
| args->response_size = sizeof(out->sensor_offset); |
| break; |
| |
| case MOTIONSENSE_CMD_PERFORM_CALIB: |
| /* Verify sensor number is valid. */ |
| sensor = host_sensor_id_to_real_sensor( |
| in->sensor_offset.sensor_num); |
| if (sensor == NULL) |
| return EC_RES_INVALID_PARAM; |
| if (!sensor->drv->perform_calib) |
| return EC_RES_INVALID_COMMAND; |
| |
| ret = sensor->drv->perform_calib(sensor); |
| if (ret != EC_SUCCESS) |
| return ret; |
| ret = sensor->drv->get_offset(sensor, out->sensor_offset.offset, |
| &out->sensor_offset.temp); |
| if (ret != EC_SUCCESS) |
| return ret; |
| args->response_size = sizeof(out->sensor_offset); |
| break; |
| |
| #ifdef CONFIG_ACCEL_FIFO |
| case MOTIONSENSE_CMD_FIFO_FLUSH: |
| sensor = host_sensor_id_to_real_sensor( |
| in->sensor_odr.sensor_num); |
| if (sensor == NULL) |
| return EC_RES_INVALID_PARAM; |
| |
| atomic_add(&sensor->flush_pending, 1); |
| |
| task_set_event(TASK_ID_MOTIONSENSE, |
| TASK_EVENT_MOTION_FLUSH_PENDING, 0); |
| /* pass-through */ |
| case MOTIONSENSE_CMD_FIFO_INFO: |
| motion_sense_get_fifo_info(&out->fifo_info); |
| for (i = 0; i < motion_sensor_count; i++) { |
| out->fifo_info.lost[i] = motion_sensors[i].lost; |
| motion_sensors[i].lost = 0; |
| } |
| motion_sense_fifo_lost = 0; |
| args->response_size = sizeof(out->fifo_info) + |
| sizeof(uint16_t) * motion_sensor_count; |
| break; |
| |
| case MOTIONSENSE_CMD_FIFO_READ: |
| mutex_lock(&g_sensor_mutex); |
| reported = MIN((args->response_max - sizeof(out->fifo_read)) / |
| motion_sense_fifo.unit_bytes, |
| MIN(queue_count(&motion_sense_fifo), |
| in->fifo_read.max_data_vector)); |
| reported = queue_remove_units(&motion_sense_fifo, |
| out->fifo_read.data, reported); |
| mutex_unlock(&g_sensor_mutex); |
| out->fifo_read.number_data = reported; |
| args->response_size = sizeof(out->fifo_read) + reported * |
| motion_sense_fifo.unit_bytes; |
| break; |
| case MOTIONSENSE_CMD_FIFO_INT_ENABLE: |
| switch (in->fifo_int_enable.enable) { |
| case 0: |
| case 1: |
| fifo_int_enabled = in->fifo_int_enable.enable; |
| case EC_MOTION_SENSE_NO_VALUE: |
| out->fifo_int_enable.ret = fifo_int_enabled; |
| args->response_size = sizeof(out->fifo_int_enable); |
| break; |
| default: |
| return EC_RES_INVALID_PARAM; |
| } |
| break; |
| #else |
| case MOTIONSENSE_CMD_FIFO_INFO: |
| /* Only support the INFO command, to tell there is no FIFO. */ |
| memset(&out->fifo_info, 0, sizeof(out->fifo_info)); |
| args->response_size = sizeof(out->fifo_info); |
| break; |
| #endif |
| #ifdef CONFIG_GESTURE_HOST_DETECTION |
| case MOTIONSENSE_CMD_LIST_ACTIVITIES: { |
| uint32_t enabled, disabled, mask, i; |
| |
| out->list_activities.enabled = 0; |
| out->list_activities.disabled = 0; |
| ret = EC_RES_SUCCESS; |
| mask = CONFIG_GESTURE_DETECTION_MASK; |
| while (mask && ret == EC_RES_SUCCESS) { |
| i = get_next_bit(&mask); |
| sensor = &motion_sensors[i]; |
| ret = sensor->drv->list_activities(sensor, |
| &enabled, &disabled); |
| if (ret == EC_RES_SUCCESS) { |
| out->list_activities.enabled |= enabled; |
| out->list_activities.disabled |= disabled; |
| } |
| } |
| if (ret != EC_RES_SUCCESS) |
| return ret; |
| args->response_size = sizeof(out->list_activities); |
| break; |
| } |
| case MOTIONSENSE_CMD_SET_ACTIVITY: { |
| uint32_t enabled, disabled, mask, i; |
| |
| mask = CONFIG_GESTURE_DETECTION_MASK; |
| ret = EC_RES_SUCCESS; |
| while (mask && ret == EC_RES_SUCCESS) { |
| i = get_next_bit(&mask); |
| sensor = &motion_sensors[i]; |
| sensor->drv->list_activities(sensor, |
| &enabled, &disabled); |
| if ((1 << in->set_activity.activity) & |
| (enabled | disabled)) |
| ret = sensor->drv->manage_activity(sensor, |
| in->set_activity.activity, |
| in->set_activity.enable, |
| &in->set_activity); |
| } |
| if (ret != EC_RES_SUCCESS) |
| return ret; |
| args->response_size = sizeof(out->set_activity); |
| break; |
| } |
| #endif /* defined(CONFIG_GESTURE_HOST_DETECTION) */ |
| |
| #ifdef CONFIG_ACCEL_SPOOF_MODE |
| case MOTIONSENSE_CMD_SPOOF: { |
| sensor = host_sensor_id_to_real_sensor(in->spoof.sensor_id); |
| if (sensor == NULL) |
| return EC_RES_INVALID_PARAM; |
| |
| switch (in->spoof.spoof_enable) { |
| case MOTIONSENSE_SPOOF_MODE_DISABLE: |
| /* Disable spoof mode. */ |
| sensor->in_spoof_mode = 0; |
| break; |
| |
| case MOTIONSENSE_SPOOF_MODE_CUSTOM: |
| /* |
| * Enable spoofing, but use provided component values. |
| */ |
| sensor->spoof_xyz[X] = (int)in->spoof.components[X]; |
| sensor->spoof_xyz[Y] = (int)in->spoof.components[Y]; |
| sensor->spoof_xyz[Z] = (int)in->spoof.components[Z]; |
| sensor->in_spoof_mode = 1; |
| break; |
| |
| case MOTIONSENSE_SPOOF_MODE_LOCK_CURRENT: |
| /* |
| * Enable spoofing, but lock to current sensor |
| * values. raw_xyz already has the values we want. |
| */ |
| sensor->spoof_xyz[X] = sensor->raw_xyz[X]; |
| sensor->spoof_xyz[Y] = sensor->raw_xyz[Y]; |
| sensor->spoof_xyz[Z] = sensor->raw_xyz[Z]; |
| sensor->in_spoof_mode = 1; |
| break; |
| |
| case MOTIONSENSE_SPOOF_MODE_QUERY: |
| /* Querying the spoof status of the sensor. */ |
| out->spoof.ret = sensor->in_spoof_mode; |
| args->response_size = sizeof(out->spoof); |
| break; |
| |
| default: |
| return EC_RES_INVALID_PARAM; |
| } |
| |
| /* |
| * Only print the status when spoofing is enabled or disabled. |
| */ |
| if (in->spoof.spoof_enable != MOTIONSENSE_SPOOF_MODE_QUERY) |
| print_spoof_mode_status((int)(sensor - motion_sensors)); |
| |
| break; |
| } |
| #endif /* defined(CONFIG_ACCEL_SPOOF_MODE) */ |
| |
| default: |
| /* Call other users of the motion task */ |
| #ifdef CONFIG_LID_ANGLE |
| if (ret == EC_RES_INVALID_PARAM) |
| ret = host_cmd_motion_lid(args); |
| #endif |
| return ret; |
| } |
| |
| return EC_RES_SUCCESS; |
| } |
| |
| DECLARE_HOST_COMMAND(EC_CMD_MOTION_SENSE_CMD, |
| host_cmd_motion_sense, |
| EC_VER_MASK(1) | EC_VER_MASK(2)); |
| |
| /*****************************************************************************/ |
| /* Console commands */ |
| #ifdef CONFIG_CMD_ACCELS |
| static int command_accelrange(int argc, char **argv) |
| { |
| char *e; |
| int id, data, round = 1; |
| struct motion_sensor_t *sensor; |
| |
| if (argc < 2 || argc > 4) |
| return EC_ERROR_PARAM_COUNT; |
| |
| /* First argument is sensor id. */ |
| id = strtoi(argv[1], &e, 0); |
| if (*e || id < 0 || id >= motion_sensor_count) |
| return EC_ERROR_PARAM1; |
| |
| sensor = &motion_sensors[id]; |
| |
| if (argc >= 3) { |
| /* Second argument is data to write. */ |
| data = strtoi(argv[2], &e, 0); |
| if (*e) |
| return EC_ERROR_PARAM2; |
| |
| if (argc == 4) { |
| /* Third argument is rounding flag. */ |
| round = strtoi(argv[3], &e, 0); |
| if (*e) |
| return EC_ERROR_PARAM3; |
| } |
| |
| /* |
| * Write new range, if it returns invalid arg, then return |
| * a parameter error. |
| */ |
| if (sensor->drv->set_range(sensor, |
| data, |
| round) == EC_ERROR_INVAL) |
| return EC_ERROR_PARAM2; |
| } else { |
| ccprintf("Range for sensor %d: %d\n", id, |
| sensor->drv->get_range(sensor)); |
| } |
| |
| return EC_SUCCESS; |
| } |
| DECLARE_CONSOLE_COMMAND(accelrange, command_accelrange, |
| "id [data [roundup]]", |
| "Read or write accelerometer range"); |
| |
| static int command_accelresolution(int argc, char **argv) |
| { |
| char *e; |
| int id, data, round = 1; |
| struct motion_sensor_t *sensor; |
| |
| if (argc < 2 || argc > 4) |
| return EC_ERROR_PARAM_COUNT; |
| |
| /* First argument is sensor id. */ |
| id = strtoi(argv[1], &e, 0); |
| if (*e || id < 0 || id >= motion_sensor_count) |
| return EC_ERROR_PARAM1; |
| |
| sensor = &motion_sensors[id]; |
| |
| if (argc >= 3) { |
| /* Second argument is data to write. */ |
| data = strtoi(argv[2], &e, 0); |
| if (*e) |
| return EC_ERROR_PARAM2; |
| |
| if (argc == 4) { |
| /* Third argument is rounding flag. */ |
| round = strtoi(argv[3], &e, 0); |
| if (*e) |
| return EC_ERROR_PARAM3; |
| } |
| |
| /* |
| * Write new resolution, if it returns invalid arg, then |
| * return a parameter error. |
| */ |
| if (sensor->drv->set_resolution(sensor, data, round) |
| == EC_ERROR_INVAL) |
| return EC_ERROR_PARAM2; |
| } else { |
| ccprintf("Resolution for sensor %d: %d\n", id, |
| sensor->drv->get_resolution(sensor)); |
| } |
| |
| return EC_SUCCESS; |
| } |
| DECLARE_CONSOLE_COMMAND(accelres, command_accelresolution, |
| "id [data [roundup]]", |
| "Read or write accelerometer resolution"); |
| |
| static int command_accel_data_rate(int argc, char **argv) |
| { |
| char *e; |
| int id, data, round = 1, ret; |
| struct motion_sensor_t *sensor; |
| enum sensor_config config_id; |
| |
| if (argc < 2 || argc > 4) |
| return EC_ERROR_PARAM_COUNT; |
| |
| /* First argument is sensor id. */ |
| id = strtoi(argv[1], &e, 0); |
| if (*e || id < 0 || id >= motion_sensor_count) |
| return EC_ERROR_PARAM1; |
| |
| sensor = &motion_sensors[id]; |
| |
| if (argc >= 3) { |
| /* Second argument is data to write. */ |
| data = strtoi(argv[2], &e, 0); |
| if (*e) |
| return EC_ERROR_PARAM2; |
| |
| if (argc == 4) { |
| /* Third argument is rounding flag. */ |
| round = strtoi(argv[3], &e, 0); |
| if (*e) |
| return EC_ERROR_PARAM3; |
| } |
| |
| /* |
| * Take ownership of the sensor and |
| * Write new data rate, if it returns invalid arg, then |
| * return a parameter error. |
| */ |
| config_id = motion_sense_get_ec_config(); |
| sensor->config[SENSOR_CONFIG_AP].odr = 0; |
| sensor->config[config_id].odr = |
| data | (round ? ROUND_UP_FLAG : 0); |
| ret = motion_sense_set_data_rate(sensor); |
| if (ret) |
| return EC_ERROR_PARAM2; |
| /* Sensor might be out of suspend, check the ec_rate */ |
| motion_sense_set_motion_intervals(); |
| } else { |
| ccprintf("Data rate for sensor %d: %d\n", id, |
| sensor->drv->get_data_rate(sensor)); |
| ccprintf("EC rate for sensor %d: %d\n", id, |
| motion_sense_ec_rate(sensor)); |
| ccprintf("Current EC rate: %d\n", motion_interval); |
| ccprintf("Current Interrupt rate: %d\n", motion_int_interval); |
| } |
| |
| return EC_SUCCESS; |
| } |
| DECLARE_CONSOLE_COMMAND(accelrate, command_accel_data_rate, |
| "id [data [roundup]]", |
| "Read or write accelerometer ODR"); |
| |
| static int command_accel_read_xyz(int argc, char **argv) |
| { |
| char *e; |
| int id, n = 1, ret; |
| struct motion_sensor_t *sensor; |
| vector_3_t v; |
| |
| if (argc < 2) |
| return EC_ERROR_PARAM_COUNT; |
| |
| /* First argument is sensor id. */ |
| id = strtoi(argv[1], &e, 0); |
| |
| if (*e || id < 0 || id >= motion_sensor_count) |
| return EC_ERROR_PARAM1; |
| |
| if (argc >= 3) |
| n = strtoi(argv[2], &e, 0); |
| |
| sensor = &motion_sensors[id]; |
| |
| while ((n == -1) || (n-- > 0)) { |
| ret = sensor->drv->read(sensor, v); |
| if (ret == 0) |
| ccprintf("Current data %d: %-5d %-5d %-5d\n", |
| id, v[X], v[Y], v[Z]); |
| else |
| ccprintf("vector not ready\n"); |
| ccprintf("Last calib. data %d: %-5d %-5d %-5d\n", |
| id, sensor->xyz[X], sensor->xyz[Y], sensor->xyz[Z]); |
| task_wait_event(motion_min_interval); |
| } |
| return EC_SUCCESS; |
| } |
| |
| DECLARE_CONSOLE_COMMAND(accelread, command_accel_read_xyz, |
| "id [n]", |
| "Read sensor x/y/z"); |
| |
| static int command_accel_init(int argc, char **argv) |
| { |
| char *e; |
| int id, ret; |
| struct motion_sensor_t *sensor; |
| |
| if (argc < 2) |
| return EC_ERROR_PARAM_COUNT; |
| |
| /* First argument is sensor id. */ |
| id = strtoi(argv[1], &e, 0); |
| |
| if (*e || id < 0 || id >= motion_sensor_count) |
| return EC_ERROR_PARAM1; |
| |
| sensor = &motion_sensors[id]; |
| ret = motion_sense_init(sensor); |
| |
| ccprintf("%s: state %d - %d\n", sensor->name, sensor->state, ret); |
| return EC_SUCCESS; |
| } |
| DECLARE_CONSOLE_COMMAND(accelinit, command_accel_init, |
| "id", |
| "Init sensor"); |
| |
| #ifdef CONFIG_CMD_ACCEL_INFO |
| static int command_display_accel_info(int argc, char **argv) |
| { |
| char *e; |
| int val; |
| |
| if (argc > 3) |
| return EC_ERROR_PARAM_COUNT; |
| |
| /* First argument is on/off whether to display accel data. */ |
| if (argc > 1) { |
| if (!parse_bool(argv[1], &val)) |
| return EC_ERROR_PARAM1; |
| |
| accel_disp = val; |
| } |
| |
| /* |
| * Second arg changes the accel task time interval. Note accel |
| * sampling interval will be clobbered when chipset suspends or |
| * resumes. |
| */ |
| if (argc > 2) { |
| val = strtoi(argv[2], &e, 0); |
| if (*e) |
| return EC_ERROR_PARAM2; |
| |
| motion_interval = val * MSEC; |
| task_wake(TASK_ID_MOTIONSENSE); |
| |
| } |
| |
| return EC_SUCCESS; |
| } |
| DECLARE_CONSOLE_COMMAND(accelinfo, command_display_accel_info, |
| "on/off [interval]", |
| "Print motion sensor info, lid angle calculations" |
| " and set calculation frequency."); |
| #endif /* CONFIG_CMD_ACCEL_INFO */ |
| |
| #ifdef CONFIG_CMD_ACCEL_FIFO |
| static int motion_sense_read_fifo(int argc, char **argv) |
| { |
| int count, i; |
| struct ec_response_motion_sensor_data v; |
| |
| if (argc < 1) |
| return EC_ERROR_PARAM_COUNT; |
| |
| /* Limit the amount of data to avoid saturating the UART buffer */ |
| count = MIN(queue_count(&motion_sense_fifo), 16); |
| for (i = 0; i < count; i++) { |
| queue_peek_units(&motion_sense_fifo, &v, i, 1); |
| if (v.flags & (MOTIONSENSE_SENSOR_FLAG_TIMESTAMP | |
| MOTIONSENSE_SENSOR_FLAG_FLUSH)) { |
| uint64_t timestamp; |
| memcpy(×tamp, v.data, sizeof(v.data)); |
| ccprintf("Timestamp: 0x%016lx%s\n", timestamp, |
| (v.flags & MOTIONSENSE_SENSOR_FLAG_FLUSH ? |
| " - Flush" : "")); |
| } else { |
| ccprintf("%d %d: %-5d %-5d %-5d\n", i, v.sensor_num, |
| v.data[X], v.data[Y], v.data[Z]); |
| } |
| } |
| return EC_SUCCESS; |
| } |
| |
| DECLARE_CONSOLE_COMMAND(fiforead, motion_sense_read_fifo, |
| "id", |
| "Read Fifo sensor"); |
| #endif /* defined(CONFIG_CMD_ACCEL_FIFO) */ |
| #endif /* CONFIG_CMD_ACCELS */ |
| |
| #ifdef CONFIG_ACCEL_SPOOF_MODE |
| static void print_spoof_mode_status(int id) |
| { |
| CPRINTS("Sensor %d spoof mode is %s. <%d, %d, %d>", id, |
| motion_sensors[id].in_spoof_mode ? "enabled" : "disabled", |
| motion_sensors[id].spoof_xyz[X], |
| motion_sensors[id].spoof_xyz[Y], |
| motion_sensors[id].spoof_xyz[Z]); |
| } |
| |
| #ifdef CONFIG_CMD_ACCELSPOOF |
| static int command_accelspoof(int argc, char **argv) |
| { |
| char *e; |
| int id, enable, i; |
| struct motion_sensor_t *s; |
| |
| /* There must be at least 1 parameter, the sensor id. */ |
| if (argc < 2) |
| return EC_ERROR_PARAM_COUNT; |
| |
| /* First argument is sensor id. */ |
| id = strtoi(argv[1], &e, 0); |
| if (id >= motion_sensor_count || id < 0) |
| return EC_ERROR_PARAM1; |
| |
| s = &motion_sensors[id]; |
| |
| /* Print the sensor's current spoof status. */ |
| if (argc == 2) |
| print_spoof_mode_status(id); |
| |
| /* Enable/Disable spoof mode. */ |
| if (argc >= 3) { |
| if (!parse_bool(argv[2], &enable)) |
| return EC_ERROR_PARAM2; |
| |
| if (enable) { |
| /* |
| * If no components are provided, we'll just use the |
| * current values as the spoofed values. But if the |
| * components are provided, use the provided ones as the |
| * spoofed ones. |
| */ |
| if (argc == 6) { |
| for (i = 0; i < 3; i++) |
| s->spoof_xyz[i] = strtoi(argv[3 + i], |
| &e, 0); |
| } else if (argc == 3) { |
| for (i = X; i <= Z; i++) |
| s->spoof_xyz[i] = s->raw_xyz[i]; |
| } else { |
| /* It's either all or nothing. */ |
| return EC_ERROR_PARAM_COUNT; |
| } |
| } |
| s->in_spoof_mode = enable; |
| print_spoof_mode_status(id); |
| } |
| |
| return EC_SUCCESS; |
| } |
| DECLARE_CONSOLE_COMMAND(accelspoof, command_accelspoof, |
| "id [on/off] [X] [Y] [Z]", |
| "Enable/Disable spoofing of sensor readings."); |
| #endif /* defined(CONIFG_CMD_ACCELSPOOF) */ |
| #endif /* defined(CONFIG_ACCEL_SPOOF_MODE) */ |