2020-07-31 06:26:07 -04:00
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// Copyright 2015-2020 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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#include <stdbool.h>
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#include "soc/periph_defs.h"
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#include "soc/system_reg.h"
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#include "soc/syscon_reg.h"
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#include "soc/dport_access.h"
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static inline uint32_t periph_ll_get_clk_en_mask(periph_module_t periph)
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{
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switch (periph) {
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case PERIPH_RMT_MODULE:
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return SYSTEM_RMT_CLK_EN;
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case PERIPH_LEDC_MODULE:
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return SYSTEM_LEDC_CLK_EN;
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case PERIPH_UART0_MODULE:
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return SYSTEM_UART_CLK_EN;
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case PERIPH_UART1_MODULE:
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return SYSTEM_UART1_CLK_EN;
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case PERIPH_UART2_MODULE:
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return SYSTEM_UART2_CLK_EN;
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case PERIPH_USB_MODULE:
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return SYSTEM_USB_CLK_EN;
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case PERIPH_I2C0_MODULE:
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return SYSTEM_I2C_EXT0_CLK_EN;
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case PERIPH_I2C1_MODULE:
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return SYSTEM_I2C_EXT1_CLK_EN;
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case PERIPH_I2S0_MODULE:
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return SYSTEM_I2S0_CLK_EN;
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case PERIPH_I2S1_MODULE:
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return SYSTEM_I2S1_CLK_EN;
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case PERIPH_TIMG0_MODULE:
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return SYSTEM_TIMERGROUP_CLK_EN;
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case PERIPH_TIMG1_MODULE:
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return SYSTEM_TIMERGROUP1_CLK_EN;
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case PERIPH_PWM0_MODULE:
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return SYSTEM_PWM0_CLK_EN;
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case PERIPH_PWM1_MODULE:
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return SYSTEM_PWM1_CLK_EN;
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case PERIPH_PWM2_MODULE:
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return SYSTEM_PWM2_CLK_EN;
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case PERIPH_PWM3_MODULE:
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return SYSTEM_PWM3_CLK_EN;
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case PERIPH_UHCI0_MODULE:
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return SYSTEM_UHCI0_CLK_EN;
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case PERIPH_UHCI1_MODULE:
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return SYSTEM_UHCI1_CLK_EN;
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case PERIPH_PCNT_MODULE:
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return SYSTEM_PCNT_CLK_EN;
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case PERIPH_SPI_MODULE:
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return SYSTEM_SPI01_CLK_EN;
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case PERIPH_FSPI_MODULE:
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return SYSTEM_SPI2_CLK_EN;
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case PERIPH_HSPI_MODULE:
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return SYSTEM_SPI3_CLK_EN;
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case PERIPH_VSPI_MODULE:
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return SYSTEM_SPI4_CLK_EN;
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case PERIPH_SDMMC_MODULE:
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return SYSTEM_SDIO_HOST_CLK_EN;
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case PERIPH_TWAI_MODULE:
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return SYSTEM_TWAI_CLK_EN;
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case PERIPH_RNG_MODULE:
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return SYSTEM_WIFI_CLK_RNG_EN;
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case PERIPH_WIFI_MODULE:
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return SYSTEM_WIFI_CLK_WIFI_EN_M;
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case PERIPH_BT_MODULE:
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return SYSTEM_WIFI_CLK_BT_EN_M;
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case PERIPH_WIFI_BT_COMMON_MODULE:
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return SYSTEM_WIFI_CLK_WIFI_BT_COMMON_M;
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case PERIPH_BT_BASEBAND_MODULE:
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return SYSTEM_BT_BASEBAND_EN;
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case PERIPH_BT_LC_MODULE:
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return SYSTEM_BT_LC_EN;
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2020-09-08 08:17:18 -04:00
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case PERIPH_SYSTIMER_MODULE:
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return SYSTEM_SYSTIMER_CLK_EN;
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case PERIPH_GDMA_MODULE:
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return SYSTEM_DMA_CLK_EN;
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2020-07-31 06:26:07 -04:00
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default:
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return 0;
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}
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}
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static inline uint32_t periph_ll_get_rst_en_mask(periph_module_t periph, bool enable)
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{
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(void)enable; // unused
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switch (periph) {
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case PERIPH_RMT_MODULE:
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return SYSTEM_RMT_RST;
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case PERIPH_LEDC_MODULE:
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return SYSTEM_LEDC_RST;
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case PERIPH_UART0_MODULE:
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return SYSTEM_UART_RST;
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case PERIPH_UART1_MODULE:
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return SYSTEM_UART1_RST;
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case PERIPH_UART2_MODULE:
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return SYSTEM_UART2_RST;
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case PERIPH_USB_MODULE:
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return SYSTEM_USB_RST;
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case PERIPH_I2C0_MODULE:
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return SYSTEM_I2C_EXT0_RST;
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case PERIPH_I2C1_MODULE:
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return SYSTEM_I2C_EXT1_RST;
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case PERIPH_I2S0_MODULE:
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return SYSTEM_I2S0_RST;
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case PERIPH_I2S1_MODULE:
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return SYSTEM_I2S1_RST;
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case PERIPH_TIMG0_MODULE:
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return SYSTEM_TIMERGROUP_RST;
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case PERIPH_TIMG1_MODULE:
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return SYSTEM_TIMERGROUP1_RST;
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case PERIPH_PWM0_MODULE:
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return SYSTEM_PWM0_RST;
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case PERIPH_PWM1_MODULE:
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return SYSTEM_PWM1_RST;
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case PERIPH_PWM2_MODULE:
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return SYSTEM_PWM2_RST;
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case PERIPH_PWM3_MODULE:
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return SYSTEM_PWM3_RST;
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case PERIPH_UHCI0_MODULE:
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return SYSTEM_UHCI0_RST;
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case PERIPH_UHCI1_MODULE:
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return SYSTEM_UHCI1_RST;
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case PERIPH_PCNT_MODULE:
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return SYSTEM_PCNT_RST;
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case PERIPH_SPI_MODULE:
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return SYSTEM_SPI01_RST;
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case PERIPH_FSPI_MODULE:
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return SYSTEM_SPI2_RST;
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case PERIPH_HSPI_MODULE:
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return SYSTEM_SPI3_RST;
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case PERIPH_VSPI_MODULE:
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return SYSTEM_SPI4_RST;
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case PERIPH_SDMMC_MODULE:
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return SYSTEM_SDIO_HOST_RST;
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case PERIPH_TWAI_MODULE:
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return SYSTEM_TWAI_RST;
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2020-09-08 08:17:18 -04:00
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case PERIPH_SYSTIMER_MODULE:
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return SYSTEM_SYSTIMER_RST;
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case PERIPH_GDMA_MODULE:
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return SYSTEM_DMA_RST;
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2020-07-31 06:26:07 -04:00
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default:
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return 0;
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}
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}
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static uint32_t periph_ll_get_clk_en_reg(periph_module_t periph)
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{
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switch (periph) {
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case PERIPH_RNG_MODULE:
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case PERIPH_WIFI_MODULE:
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case PERIPH_BT_MODULE:
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case PERIPH_WIFI_BT_COMMON_MODULE:
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case PERIPH_BT_BASEBAND_MODULE:
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case PERIPH_BT_LC_MODULE:
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return SYSTEM_WIFI_CLK_EN_REG ;
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case PERIPH_UART2_MODULE:
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case PERIPH_SDMMC_MODULE:
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2020-09-08 08:17:18 -04:00
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case PERIPH_GDMA_MODULE:
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2020-07-31 06:26:07 -04:00
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return SYSTEM_PERIP_CLK_EN1_REG;
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default:
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return SYSTEM_PERIP_CLK_EN0_REG;
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}
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}
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static uint32_t periph_ll_get_rst_en_reg(periph_module_t periph)
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{
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switch (periph) {
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case PERIPH_RNG_MODULE:
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case PERIPH_WIFI_MODULE:
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case PERIPH_BT_MODULE:
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case PERIPH_WIFI_BT_COMMON_MODULE:
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case PERIPH_BT_BASEBAND_MODULE:
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case PERIPH_BT_LC_MODULE:
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return SYSTEM_CORE_RST_EN_REG;
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case PERIPH_UART2_MODULE:
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case PERIPH_SDMMC_MODULE:
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2020-09-08 08:17:18 -04:00
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case PERIPH_GDMA_MODULE:
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2020-07-31 06:26:07 -04:00
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return SYSTEM_PERIP_RST_EN1_REG;
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default:
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return SYSTEM_PERIP_RST_EN0_REG;
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}
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}
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static inline void periph_ll_enable_clk_clear_rst(periph_module_t periph)
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{
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DPORT_SET_PERI_REG_MASK(periph_ll_get_clk_en_reg(periph), periph_ll_get_clk_en_mask(periph));
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DPORT_CLEAR_PERI_REG_MASK(periph_ll_get_rst_en_reg(periph), periph_ll_get_rst_en_mask(periph, true));
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}
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static inline void periph_ll_disable_clk_set_rst(periph_module_t periph)
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{
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DPORT_CLEAR_PERI_REG_MASK(periph_ll_get_clk_en_reg(periph), periph_ll_get_clk_en_mask(periph));
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DPORT_SET_PERI_REG_MASK(periph_ll_get_rst_en_reg(periph), periph_ll_get_rst_en_mask(periph, false));
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}
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2020-07-29 01:13:51 -04:00
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static inline void IRAM_ATTR periph_ll_wifi_bt_module_enable_clk_clear_rst(void)
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{
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DPORT_SET_PERI_REG_MASK(SYSTEM_WIFI_CLK_EN_REG, SYSTEM_WIFI_CLK_WIFI_BT_COMMON_M);
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DPORT_CLEAR_PERI_REG_MASK(SYSTEM_CORE_RST_EN_REG, 0);
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}
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static inline void IRAM_ATTR periph_ll_wifi_bt_module_disable_clk_set_rst(void)
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{
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DPORT_CLEAR_PERI_REG_MASK(SYSTEM_WIFI_CLK_EN_REG, SYSTEM_WIFI_CLK_WIFI_BT_COMMON_M);
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DPORT_SET_PERI_REG_MASK(SYSTEM_CORE_RST_EN_REG, 0);
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}
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2020-07-31 06:26:07 -04:00
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static inline void periph_ll_reset(periph_module_t periph)
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{
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DPORT_SET_PERI_REG_MASK(periph_ll_get_rst_en_reg(periph), periph_ll_get_rst_en_mask(periph, false));
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DPORT_CLEAR_PERI_REG_MASK(periph_ll_get_rst_en_reg(periph), periph_ll_get_rst_en_mask(periph, false));
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}
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static inline bool IRAM_ATTR periph_ll_periph_enabled(periph_module_t periph)
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{
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return DPORT_REG_GET_BIT(periph_ll_get_rst_en_reg(periph), periph_ll_get_rst_en_mask(periph, false)) == 0 &&
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DPORT_REG_GET_BIT(periph_ll_get_clk_en_reg(periph), periph_ll_get_clk_en_mask(periph)) != 0;
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}
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#ifdef __cplusplus
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}
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2020-07-29 01:13:51 -04:00
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#endif
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