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feat(power): Initial deep sleep work.

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* New ZMK_SLEEP Kconfig symbol to enable the functionality.
* Switch to PORT events that allows wake from deep sleep.
* Initial basic power management policy, with idle ms,
  and ignoring deep sleep if we detect a USB connection.
This commit is contained in:
Pete Johanson
2020-10-02 02:09:38 -04:00
parent 9be566603e
commit a7496ab064
5 changed files with 121 additions and 29 deletions
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58
app/drivers/zephyr/kscan_gpio_matrix.c
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@@ -73,7 +73,7 @@ static int kscan_gpio_config_interrupts(struct device **devices,
}; \
struct kscan_gpio_data_##n { \
kscan_callback_t callback; \
COND_CODE_0(CONFIG_ZMK_KSCAN_MATRIX_POLLING, (), (struct k_timer poll_timer;)) \
COND_CODE_1(CONFIG_ZMK_KSCAN_MATRIX_POLLING, (struct k_timer poll_timer;), ()) \
struct COND_CODE_0(DT_INST_PROP(n, debounce_period), (k_work), (k_delayed_work)) work; \
bool matrix_state[INST_MATRIX_ROWS(n)][INST_MATRIX_COLS(n)]; \
struct device *rows[INST_MATRIX_ROWS(n)]; \
@@ -101,7 +101,7 @@ static int kscan_gpio_config_interrupts(struct device **devices,
return ( \
COND_CODE_0(DT_ENUM_IDX(DT_DRV_INST(n), diode_direction), (cfg->rows), (cfg->cols))); \
} \
COND_CODE_0(CONFIG_ZMK_KSCAN_MATRIX_POLLING, \
COND_CODE_1(CONFIG_ZMK_KSCAN_MATRIX_POLLING, (), \
( \
static int kscan_gpio_enable_interrupts_##n(struct device *dev) { \
return kscan_gpio_config_interrupts( \
@@ -111,8 +111,7 @@ static int kscan_gpio_config_interrupts(struct device **devices,
return kscan_gpio_config_interrupts(kscan_gpio_input_devices_##n(dev), \
kscan_gpio_input_configs_##n(dev), \
INST_INPUT_LEN(n), GPIO_INT_DISABLE); \
}), \
()) \
})) \
static void kscan_gpio_set_output_state_##n(struct device *dev, int value) { \
int err; \
for (int i = 0; i < INST_OUTPUT_LEN(n); i++) { \
@@ -173,7 +172,8 @@ static int kscan_gpio_config_interrupts(struct device **devices,
k_delayed_work_submit(&data->work, K_MSEC(5)); \
})) \
} else { \
kscan_gpio_enable_interrupts_##n(dev); \
COND_CODE_1(CONFIG_ZMK_KSCAN_MATRIX_POLLING, (), \
(kscan_gpio_enable_interrupts_##n(dev);)) \
} \
return 0; \
} \
@@ -181,17 +181,20 @@ static int kscan_gpio_config_interrupts(struct device **devices,
struct kscan_gpio_data_##n *data = CONTAINER_OF(work, struct kscan_gpio_data_##n, work); \
kscan_gpio_read_##n(data->dev); \
} \
static void kscan_gpio_irq_callback_handler_##n(struct device *dev, struct gpio_callback *cb, \
gpio_port_pins_t pin) { \
struct kscan_gpio_irq_callback_##n *data = \
CONTAINER_OF(cb, struct kscan_gpio_irq_callback_##n, callback); \
kscan_gpio_disable_interrupts_##n(data->dev); \
COND_CODE_0(DT_INST_PROP(n, debounce_period), ({ k_work_submit(data->work); }), ({ \
k_delayed_work_cancel(data->work); \
k_delayed_work_submit(data->work, \
K_MSEC(DT_INST_PROP(n, debounce_period))); \
})) \
} \
COND_CODE_1(CONFIG_ZMK_KSCAN_MATRIX_POLLING, (), \
(static void kscan_gpio_irq_callback_handler_##n( \
struct device *dev, struct gpio_callback *cb, gpio_port_pins_t pin) { \
struct kscan_gpio_irq_callback_##n *data = \
CONTAINER_OF(cb, struct kscan_gpio_irq_callback_##n, callback); \
kscan_gpio_disable_interrupts_##n(data->dev); \
COND_CODE_0(DT_INST_PROP(n, debounce_period), \
({ k_work_submit(data->work); }), ({ \
k_delayed_work_cancel(data->work); \
k_delayed_work_submit( \
data->work, K_MSEC(DT_INST_PROP(n, debounce_period))); \
})) \
})) \
\
static struct kscan_gpio_data_##n kscan_gpio_data_##n = { \
.rows = {[INST_MATRIX_ROWS(n) - 1] = NULL}, .cols = {[INST_MATRIX_COLS(n) - 1] = NULL}}; \
static int kscan_gpio_configure_##n(struct device *dev, kscan_callback_t callback) { \
@@ -204,24 +207,25 @@ static int kscan_gpio_config_interrupts(struct device **devices,
return 0; \
}; \
static int kscan_gpio_enable_##n(struct device *dev) { \
COND_CODE_0(CONFIG_ZMK_KSCAN_MATRIX_POLLING, \
(int err = kscan_gpio_enable_interrupts_##n(dev); \
if (err) { return err; } return kscan_gpio_read_##n(dev);), \
COND_CODE_1(CONFIG_ZMK_KSCAN_MATRIX_POLLING, \
(struct kscan_gpio_data_##n *data = dev->driver_data; \
k_timer_start(&data->poll_timer, K_MSEC(10), K_MSEC(10)); return 0;)) \
k_timer_start(&data->poll_timer, K_MSEC(10), K_MSEC(10)); return 0;), \
(int err = kscan_gpio_enable_interrupts_##n(dev); \
if (err) { return err; } return kscan_gpio_read_##n(dev);)) \
}; \
static int kscan_gpio_disable_##n(struct device *dev) { \
COND_CODE_0(CONFIG_ZMK_KSCAN_MATRIX_POLLING, \
(return kscan_gpio_disable_interrupts_##n(dev);), \
COND_CODE_1(CONFIG_ZMK_KSCAN_MATRIX_POLLING, \
(struct kscan_gpio_data_##n *data = dev->driver_data; \
k_timer_stop(&data->poll_timer); return 0;)) \
k_timer_stop(&data->poll_timer); return 0;), \
(return kscan_gpio_disable_interrupts_##n(dev);)) \
}; \
COND_CODE_0(CONFIG_ZMK_KSCAN_MATRIX_POLLING, (), \
COND_CODE_1(CONFIG_ZMK_KSCAN_MATRIX_POLLING, \
(static void kscan_gpio_timer_handler(struct k_timer *timer) { \
struct kscan_gpio_data_##n *data = \
CONTAINER_OF(timer, struct kscan_gpio_data_##n, poll_timer); \
k_work_submit(&data->work.work); \
})) \
}), \
()) \
static int kscan_gpio_init_##n(struct device *dev) { \
struct kscan_gpio_data_##n *data = dev->driver_data; \
int err; \
@@ -267,8 +271,8 @@ static int kscan_gpio_config_interrupts(struct device **devices,
} \
} \
data->dev = dev; \
COND_CODE_0(CONFIG_ZMK_KSCAN_MATRIX_POLLING, (), \
(k_timer_init(&data->poll_timer, kscan_gpio_timer_handler, NULL);)) \
COND_CODE_1(CONFIG_ZMK_KSCAN_MATRIX_POLLING, \
(k_timer_init(&data->poll_timer, kscan_gpio_timer_handler, NULL);), ()) \
(COND_CODE_0(DT_INST_PROP(n, debounce_period), (k_work_init), (k_delayed_work_init)))( \
&data->work, kscan_gpio_work_handler_##n); \
return 0; \