/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2019 MediaTek Inc. */ #ifndef __MTK_UART_INTF_H__ #define __MTK_UART_INTF_H__ #include "platform_uart.h" #include /*---------------------------------------------------------------------------*/ /* fiq debugger */ /*---------------------------------------------------------------------------*/ int fiq_uart_getc(struct platform_device *pdev); void fiq_uart_putc(struct platform_device *pdev, unsigned int c); void fiq_uart_fixup(int uart_port); irqreturn_t mt_debug_signal_irq(int irq, void *dev_id); int mt_fiq_init(void *arg); /*---------------------------------------------------------------------------*/ struct mtk_uart_setting *get_uart_default_settings(int idx); void *get_apdma_uart0_base(void); unsigned int get_uart_vfifo_irq_id(int idx); void set_uart_default_settings(int idx); unsigned long get_uart_evt_mask(int idx); void mtk_uart_switch_tx_to_gpio(struct mtk_uart *uart); void mtk_uart_switch_to_tx(struct mtk_uart *uart); void mtk_uart_switch_rx_to_gpio(struct mtk_uart *uart); void mtk_uart_switch_to_rx(struct mtk_uart *uart); void set_uart_evt_mask(int idx, int value); unsigned long get_uart_lsr_status(int idx); void set_uart_lsr_status(int idx, int value); unsigned char get_modem_status(int idx); void dump_uart_reg(void); void mtk_uart_console_setting_switch(struct mtk_uart *uart); int mtk_uart_vfifo_is_empty(struct mtk_uart_vfifo *vfifo); void mtk_uart_tx_vfifo_flush(struct mtk_uart *uart, int timeout); int mtk_uart_vfifo_get_counts(struct mtk_uart_vfifo *vfifo); void mtk_uart_dma_vfifo_tx_tasklet(unsigned long arg); void mtk_uart_dma_vfifo_rx_tasklet(unsigned long arg); int mtk_uart_vfifo_enable(struct mtk_uart *uart, struct mtk_uart_vfifo *vfifo); int mtk_uart_vfifo_disable(struct mtk_uart *uart, struct mtk_uart_vfifo *vfifo); void mtk_uart_vfifo_enable_tx_intr(struct mtk_uart *uart); void mtk_uart_vfifo_disable_tx_intr(struct mtk_uart *uart); void mtk_uart_vfifo_enable_rx_intr(struct mtk_uart *uart); void mtk_uart_vfifo_disable_rx_intr(struct mtk_uart *uart); unsigned int mtk_uart_write_allow(struct mtk_uart *uart); void mtk_uart_enable_intrs(struct mtk_uart *uart, long mask); void mtk_uart_disable_intrs(struct mtk_uart *uart, long mask); int mtk_uart_vfifo_is_full(struct mtk_uart_vfifo *vfifo); void mtk_uart_stop_dma(struct mtk_uart_dma *dma); void mtk_uart_reset_dma(struct mtk_uart_dma *dma); void mtk_uart_set_mode(struct mtk_uart *uart, int mode); void mtk_uart_set_auto_baud(struct mtk_uart *uart); void mtk_uart_baud_setting(struct mtk_uart *uart, int baudrate); void mtk_uart_dma_setup(struct mtk_uart *uart, struct mtk_uart_dma *dma); int mtk_uart_dma_start(struct mtk_uart *uart, struct mtk_uart_dma *dma); void mtk_uart_vfifo_write_byte(struct mtk_uart *uart, unsigned int byte); unsigned int mtk_uart_vfifo_read_byte(struct mtk_uart *uart); unsigned int mtk_uart_read_status(struct mtk_uart *uart); unsigned int mtk_uart_read_allow(struct mtk_uart *uart); unsigned int mtk_uart_read_byte(struct mtk_uart *uart); void mtk_uart_write_byte(struct mtk_uart *uart, unsigned int byte); unsigned int mtk_uart_filter_line_status(struct mtk_uart *uart); void mtk_uart_fifo_set_trig(struct mtk_uart *uart, int tx_level, int rx_level); void mtk_uart_enable_sleep(struct mtk_uart *uart); void mtk_uart_fifo_init(struct mtk_uart *uart); void mtk_uart_fifo_flush(struct mtk_uart *uart); int mtk_uart_data_ready(struct mtk_uart *uart); void mtk_uart_config(struct mtk_uart *uart, int datalen, int stop, int parity); void mtk_uart_set_flow_ctrl(struct mtk_uart *uart, int mode); void mtk_uart_power_up(struct mtk_uart *uart); void mtk_uart_power_down(struct mtk_uart *uart); void mtk_uart_get_modem_status(struct mtk_uart *uart); void mtk_uart_rx_pre_handler(struct mtk_uart *uart, int intrs); int mtk_uart_get_interrupt(struct mtk_uart *uart); void mtk_uart_intr_last_check(struct mtk_uart *uart, int intrs); void mtk_uart_set_mctrl(struct uart_port *port, unsigned int mctrl); unsigned int mtk_uart_get_mctrl(struct uart_port *port); void mtk_uart_stop_rx(struct uart_port *port); void mtk_uart_break_ctl(struct uart_port *port, int break_state); void mtk_uart_save(struct mtk_uart *uart); void mtk_uart_restore(void); void mtk_uart_vfifo_clear_tx_intr(struct mtk_uart_vfifo *vfifo); void mtk_uart_vfifo_clear_rx_intr(struct mtk_uart_vfifo *vfifo); void mtk_uart_init_debug_spinlock(void); void reset_tx_raw_data(struct mtk_uart *uart); void mtk_uart_enable_dpidle(struct mtk_uart *uart); void mtk_uart_disable_dpidle(struct mtk_uart *uart); int mtk_uart_plat_info_query(const char str[]); #if !defined(CONFIG_MTK_LEGACY) void set_uart_dma_clk(int port_id, struct clk *dma_clk); void set_uart_pinctrl(int idx, struct pinctrl *ppinctrl); #endif /* !defined(CONFIG_MTK_LEGACY) */ #endif /* MTK_UART_INTF_H */