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systimer: strip hal driver

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morris
2021-04-02 12:41:21 +08:00
parent 7c1e1c9e2d
commit ec898b771e
12 changed files with 541 additions and 672 deletions
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138
components/hal/esp32s2/include/hal/systimer_ll.h
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@@ -1,4 +1,4 @@
// Copyright 2020 Espressif Systems (Shanghai) PTE LTD
// Copyright 2020-2021 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
@@ -13,124 +13,156 @@
// limitations under the License.
#pragma once
#include <stdint.h>
#include <stdbool.h>
#include <assert.h>
#include "soc/systimer_struct.h"
#define SYSTIMER_LL_COUNTER_CLOCK (0) // Counter used for "wallclock" time
#define SYSTIMER_LL_ALARM_CLOCK (2) // Alarm used for "wallclock" time
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#include <stdbool.h>
#include "soc/soc.h"
#include "soc/systimer_reg.h"
// All these functions get invoked either from ISR or HAL that linked to IRAM.
// Always inline these functions even no gcc optimization is applied.
/*******************counter*************************/
/******************* Clock *************************/
__attribute__((always_inline)) static inline void systimer_ll_enable_clock(void)
__attribute__((always_inline)) static inline void systimer_ll_enable_clock(systimer_dev_t *dev, bool en)
{
REG_SET_BIT(SYSTIMER_CONF_REG, SYSTIMER_CLK_EN);
dev->conf.clk_en = en;
}
__attribute__((always_inline)) static inline void systimer_ll_apply_counter_value(void)
/******************* Counter *************************/
__attribute__((always_inline)) static inline void systimer_ll_enable_counter(systimer_dev_t *dev, uint32_t counter_id, bool en)
{
REG_SET_BIT(SYSTIMER_LOAD_REG, SYSTIMER_TIMER_LOAD);
// ESP32-S2 only has one counter in systimer group
(void)dev;
(void)counter_id;
}
__attribute__((always_inline)) static inline void systimer_ll_load_counter_value(uint64_t value)
__attribute__((always_inline)) static inline void systimer_ll_counter_can_stall_by_cpu(systimer_dev_t *dev, uint32_t counter_id, uint32_t cpu_id, bool can)
{
REG_WRITE(SYSTIMER_LOAD_LO_REG, value & 0xFFFFFFFF);
REG_WRITE(SYSTIMER_LOAD_HI_REG, (value & 0xFFFFFFFF00000000) >> 32);
(void)dev;
(void)counter_id;
(void)cpu_id;
(void)can;
}
__attribute__((always_inline)) static inline void systimer_ll_set_step_for_pll(uint32_t step)
__attribute__((always_inline)) static inline void systimer_ll_counter_snapshot(systimer_dev_t *dev, uint32_t counter_id)
{
REG_SET_FIELD(SYSTIMER_STEP_REG, SYSTIMER_TIMER_PLL_STEP, step);
(void)counter_id;
dev->update.timer_update = 1;
}
__attribute__((always_inline)) static inline void systimer_ll_set_step_for_xtal(uint32_t step)
__attribute__((always_inline)) static inline bool systimer_ll_is_counter_value_valid(systimer_dev_t *dev, uint32_t counter_id)
{
REG_SET_FIELD(SYSTIMER_STEP_REG, SYSTIMER_TIMER_XTAL_STEP, step);
(void)counter_id;
return dev->update.timer_value_valid;
}
__attribute__((always_inline)) static inline void systimer_ll_counter_snapshot(void)
__attribute__((always_inline)) static inline void systimer_ll_set_counter_value(systimer_dev_t *dev, uint32_t counter_id, uint64_t value)
{
REG_WRITE(SYSTIMER_UPDATE_REG, SYSTIMER_TIMER_UPDATE);
(void)counter_id;
dev->load_hi.timer_load_hi = value >> 32;
dev->load_lo.timer_load_lo = value;
}
__attribute__((always_inline)) static inline bool systimer_ll_is_counter_value_valid(void)
__attribute__((always_inline)) static inline uint32_t systimer_ll_get_counter_value_low(systimer_dev_t *dev, uint32_t counter_id)
{
return REG_GET_BIT(SYSTIMER_UPDATE_REG, SYSTIMER_TIMER_VALUE_VALID);
return dev->value_lo.timer_value_lo;
}
__attribute__((always_inline)) static inline uint32_t systimer_ll_get_counter_value_low(void)
__attribute__((always_inline)) static inline uint32_t systimer_ll_get_counter_value_high(systimer_dev_t *dev, uint32_t counter_id)
{
return REG_READ(SYSTIMER_VALUE_LO_REG);
return dev->value_hi.timer_value_hi;
}
__attribute__((always_inline)) static inline uint32_t systimer_ll_get_counter_value_high(void)
__attribute__((always_inline)) static inline void systimer_ll_apply_counter_value(systimer_dev_t *dev, uint32_t counter_id)
{
return REG_READ(SYSTIMER_VALUE_HI_REG);
dev->load.timer_load = 1;
}
/*******************alarm*************************/
__attribute__((always_inline)) static inline void systimer_ll_set_alarm_value(uint32_t alarm_id, uint64_t value)
__attribute__((always_inline)) static inline void systimer_ll_set_step_for_pll(systimer_dev_t *dev, uint32_t step)
{
REG_WRITE(SYSTIMER_TARGET0_LO_REG + alarm_id * 8, value & 0xFFFFFFFF);
REG_WRITE(SYSTIMER_TARGET0_HI_REG + alarm_id * 8, (value & 0xFFFFFFFF00000000) >> 32);
dev->step.timer_pll_step = step;
}
__attribute__((always_inline)) static inline uint64_t systimer_ll_get_alarm_value(uint32_t alarm_id)
__attribute__((always_inline)) static inline void systimer_ll_set_step_for_xtal(systimer_dev_t *dev, uint32_t step)
{
return (uint64_t)REG_READ(SYSTIMER_TARGET0_HI_REG + alarm_id * 8) << 32 | REG_READ(SYSTIMER_TARGET0_LO_REG + alarm_id * 8);
dev->step.timer_xtal_step = step;
}
__attribute__((always_inline)) static inline void systimer_ll_enable_alarm(uint32_t alarm_id)
/******************* Alarm *************************/
__attribute__((always_inline)) static inline void systimer_ll_set_alarm_target(systimer_dev_t *dev, uint32_t alarm_id, uint64_t value)
{
REG_SET_BIT(SYSTIMER_TARGET0_CONF_REG + alarm_id * 4, BIT(31));
dev->target_val[alarm_id].hi.timer_target_hi = value >> 32;
dev->target_val[alarm_id].lo.timer_target_lo = value;
}
__attribute__((always_inline)) static inline void systimer_ll_disable_alarm(uint32_t alarm_id)
__attribute__((always_inline)) static inline uint64_t systimer_ll_get_alarm_target(systimer_dev_t *dev, uint32_t alarm_id)
{
REG_CLR_BIT(SYSTIMER_TARGET0_CONF_REG + alarm_id * 4, BIT(31));
return ((uint64_t)(dev->target_val[alarm_id].hi.timer_target_hi) << 32) | dev->target_val[alarm_id].lo.timer_target_lo;
}
__attribute__((always_inline)) static inline void systimer_ll_enable_alarm_oneshot(uint32_t alarm_id)
__attribute__((always_inline)) static inline void systimer_ll_connect_alarm_counter(systimer_dev_t *dev, uint32_t alarm_id, uint32_t counter_id)
{
REG_CLR_BIT(SYSTIMER_TARGET0_CONF_REG + alarm_id * 4, BIT(30));
// On esp32-s2, counter int the systimer is fixed connectred to other three alarm comparators
(void)dev;
(void)alarm_id;
(void)counter_id;
}
__attribute__((always_inline)) static inline void systimer_ll_enable_alarm_period(uint32_t alarm_id)
__attribute__((always_inline)) static inline void systimer_ll_enable_alarm_oneshot(systimer_dev_t *dev, uint32_t alarm_id)
{
REG_SET_BIT(SYSTIMER_TARGET0_CONF_REG + alarm_id * 4, BIT(30));
dev->target_conf[alarm_id].target_period_mode = 0;
}
__attribute__((always_inline)) static inline void systimer_ll_set_alarm_period(uint32_t alarm_id, uint32_t period)
__attribute__((always_inline)) static inline void systimer_ll_enable_alarm_period(systimer_dev_t *dev, uint32_t alarm_id)
{
REG_SET_FIELD(SYSTIMER_TARGET0_CONF_REG + alarm_id * 4, SYSTIMER_TARGET0_PERIOD, period);
dev->target_conf[alarm_id].target_period_mode = 1;
}
/*******************interrupt*************************/
__attribute__((always_inline)) static inline void systimer_ll_enable_alarm_int(uint32_t alarm_id)
__attribute__((always_inline)) static inline void systimer_ll_set_alarm_period(systimer_dev_t *dev, uint32_t alarm_id, uint32_t period)
{
REG_SET_BIT(SYSTIMER_INT_ENA_REG, 1 << alarm_id);
assert(period < (1 << 30));
dev->target_conf[alarm_id].target_period = period;
}
__attribute__((always_inline)) static inline void systimer_ll_disable_alarm_int(uint32_t alarm_id)
__attribute__((always_inline)) static inline void systimer_ll_apply_alarm_value(systimer_dev_t *dev, uint32_t alarm_id)
{
REG_CLR_BIT(SYSTIMER_INT_ENA_REG, 1 << alarm_id);
(void)dev;
(void)alarm_id;
}
__attribute__((always_inline)) static inline bool systimer_ll_is_alarm_int_fired(uint32_t alarm_id)
__attribute__((always_inline)) static inline void systimer_ll_enable_alarm(systimer_dev_t *dev, uint32_t alarm_id, bool en)
{
return REG_GET_BIT(SYSTIMER_INT_RAW_REG, 1 << alarm_id);
dev->target_conf[alarm_id].target_work_en = en;
}
__attribute__((always_inline)) static inline void systimer_ll_clear_alarm_int(uint32_t alarm_id)
/******************* Interrupt *************************/
__attribute__((always_inline)) static inline void systimer_ll_enable_alarm_int(systimer_dev_t *dev, uint32_t alarm_id, bool en)
{
REG_SET_BIT(SYSTIMER_INT_CLR_REG, 1 << alarm_id);
if (en) {
dev->int_ena.val |= 1 << alarm_id;
} else {
dev->int_ena.val &= ~(1 << alarm_id);
}
}
__attribute__((always_inline)) static inline bool systimer_ll_is_alarm_int_fired(systimer_dev_t *dev, uint32_t alarm_id)
{
return dev->int_raw.val & (1 << alarm_id);
}
__attribute__((always_inline)) static inline void systimer_ll_clear_alarm_int(systimer_dev_t *dev, uint32_t alarm_id)
{
dev->int_clr.val |= 1 << alarm_id;
}
#ifdef __cplusplus