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feat(uhci): Add uhci (uart-dma) support on esp32c3, esp32c6, esp32s3, esp32p4

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C.S.M
2025-04-24 14:08:57 +08:00
parent 182b33efb2
commit 1a3db8e025
30 changed files with 1353 additions and 126 deletions
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67
components/hal/esp32c6/include/hal/uhci_ll.h
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@@ -1,13 +1,18 @@
/*
* SPDX-FileCopyrightText: 2020-2024 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2020-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
// The LL layer for UHCI register operations.
// Note that most of the register operations in this layer are non-atomic operations.
#pragma once
#include <stdio.h>
#include "hal/uhci_types.h"
#include "soc/uhci_struct.h"
#include "soc/pcr_struct.h"
#include "hal/misc.h"
#ifdef __cplusplus
extern "C" {
@@ -22,6 +27,30 @@ typedef enum {
UHCI_RX_EOF_MAX = 0x7,
} uhci_rxeof_cfg_t;
/**
* @brief Enable the bus clock for UHCI module
*
* @param group_id Group ID
* @param enable true to enable, false to disable
*/
static inline void uhci_ll_enable_bus_clock(int group_id, bool enable)
{
(void)group_id;
PCR.uhci_conf.uhci_clk_en = enable;
}
/**
* @brief Reset the UHCI module
*
* @param group_id Group ID
*/
static inline void uhci_ll_reset_register(int group_id)
{
(void)group_id;
PCR.uhci_conf.uhci_rst_en = 1;
PCR.uhci_conf.uhci_rst_en = 0;
}
static inline void uhci_ll_init(uhci_dev_t *hw)
{
typeof(hw->conf0) conf0_reg;
@@ -34,34 +63,29 @@ static inline void uhci_ll_init(uhci_dev_t *hw)
static inline void uhci_ll_attach_uart_port(uhci_dev_t *hw, int uart_num)
{
hw->conf0.uart0_ce = (uart_num == 0)? 1: 0;
hw->conf0.uart1_ce = (uart_num == 1)? 1: 0;
hw->conf0.uart0_ce = (uart_num == 0) ? 1 : 0;
hw->conf0.uart1_ce = (uart_num == 1) ? 1 : 0;
}
static inline void uhci_ll_set_seper_chr(uhci_dev_t *hw, uhci_seper_chr_t *seper_char)
{
if (seper_char->sub_chr_en) {
hw->conf0.seper_en = 1;
typeof(hw->esc_conf0) esc_conf0_reg;
esc_conf0_reg.val = hw->esc_conf0.val;
esc_conf0_reg.seper_char = seper_char->seper_chr;
esc_conf0_reg.seper_esc_char0 = seper_char->sub_chr1;
esc_conf0_reg.seper_esc_char1 = seper_char->sub_chr2;
HAL_FORCE_MODIFY_U32_REG_FIELD(esc_conf0_reg, seper_char, seper_char->seper_chr);
HAL_FORCE_MODIFY_U32_REG_FIELD(esc_conf0_reg, seper_esc_char0, seper_char->sub_chr1);
HAL_FORCE_MODIFY_U32_REG_FIELD(esc_conf0_reg, seper_esc_char1, seper_char->sub_chr2);
hw->esc_conf0.val = esc_conf0_reg.val;
hw->escape_conf.tx_c0_esc_en = 1;
hw->escape_conf.rx_c0_esc_en = 1;
} else {
hw->escape_conf.tx_c0_esc_en = 0;
hw->escape_conf.rx_c0_esc_en = 0;
hw->conf0.seper_en = 0;
hw->escape_conf.val = 0;
}
}
static inline void uhci_ll_get_seper_chr(uhci_dev_t *hw, uhci_seper_chr_t *seper_chr)
{
(void)hw;
(void)seper_chr;
}
static inline void uhci_ll_set_swflow_ctrl_sub_chr(uhci_dev_t *hw, uhci_swflow_ctrl_sub_chr_t *sub_ctr)
{
typeof(hw->escape_conf) escape_conf_reg;
@@ -73,12 +97,12 @@ static inline void uhci_ll_set_swflow_ctrl_sub_chr(uhci_dev_t *hw, uhci_swflow_c
typeof(hw->esc_conf3) esc_conf3_reg;
esc_conf3_reg.val = hw->esc_conf3.val;
esc_conf2_reg.esc_seq1 = sub_ctr->xon_chr;
esc_conf2_reg.esc_seq1_char0 = sub_ctr->xon_sub1;
esc_conf2_reg.esc_seq1_char1 = sub_ctr->xon_sub2;
esc_conf3_reg.esc_seq2 = sub_ctr->xoff_chr;
esc_conf3_reg.esc_seq2_char0 = sub_ctr->xoff_sub1;
esc_conf3_reg.esc_seq2_char1 = sub_ctr->xoff_sub2;
HAL_FORCE_MODIFY_U32_REG_FIELD(esc_conf2_reg, esc_seq1, sub_ctr->xon_chr);
HAL_FORCE_MODIFY_U32_REG_FIELD(esc_conf2_reg, esc_seq1_char0, sub_ctr->xon_sub1);
HAL_FORCE_MODIFY_U32_REG_FIELD(esc_conf2_reg, esc_seq1_char1, sub_ctr->xon_sub2);
HAL_FORCE_MODIFY_U32_REG_FIELD(esc_conf3_reg, esc_seq2, sub_ctr->xoff_chr);
HAL_FORCE_MODIFY_U32_REG_FIELD(esc_conf3_reg, esc_seq2_char0, sub_ctr->xoff_sub1);
HAL_FORCE_MODIFY_U32_REG_FIELD(esc_conf3_reg, esc_seq2_char1, sub_ctr->xoff_sub2);
escape_conf_reg.tx_11_esc_en = 1;
escape_conf_reg.tx_13_esc_en = 1;
escape_conf_reg.rx_11_esc_en = 1;
@@ -114,8 +138,7 @@ static inline uint32_t uhci_ll_get_intr(uhci_dev_t *hw)
return hw->int_st.val;
}
static inline void uhci_ll_set_eof_mode(uhci_dev_t *hw, uint32_t eof_mode)
static inline void uhci_ll_rx_set_eof_mode(uhci_dev_t *hw, uint32_t eof_mode)
{
if (eof_mode & UHCI_RX_BREAK_CHR_EOF) {
hw->conf0.uart_rx_brk_eof_en = 1;