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/* SPDX-License-Identifier: GPL-2.0+ */
/* Synopsys DesignWare 8250 library header file. */
#include <linux/io.h>
#include <linux/notifier.h>
#include <linux/types.h>
#include <linux/workqueue.h>
#include "8250.h"
struct clk;
struct reset_control;
struct dw8250_port_data {
/* Port properties */
int line;
/* DMA operations */
struct uart_8250_dma dma;
/* Hardware configuration */
u8 dlf_size;
/* RS485 variables */
bool hw_rs485_support;
};
struct dw8250_platform_data {
u8 usr_reg;
u32 cpr_val;
unsigned int quirks;
};
struct dw8250_data {
struct dw8250_port_data data;
const struct dw8250_platform_data *pdata;
int msr_mask_on;
int msr_mask_off;
struct clk *clk;
struct clk *pclk;
struct notifier_block clk_notifier;
struct work_struct clk_work;
struct reset_control *rst;
unsigned int skip_autocfg:1;
unsigned int uart_16550_compatible:1;
};
void dw8250_do_set_termios(struct uart_port *p, struct ktermios *termios, const struct ktermios *old);
void dw8250_setup_port(struct uart_port *p);
static inline struct dw8250_data *to_dw8250_data(struct dw8250_port_data *data)
{
return container_of(data, struct dw8250_data, data);
}
static inline u32 dw8250_readl_ext(struct uart_port *p, int offset)
{
if (p->iotype == UPIO_MEM32BE)
return ioread32be(p->membase + offset);
return readl(p->membase + offset);
}
static inline void dw8250_writel_ext(struct uart_port *p, int offset, u32 reg)
{
if (p->iotype == UPIO_MEM32BE)
iowrite32be(reg, p->membase + offset);
else
writel(reg, p->membase + offset);
}
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