1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * Driver for OMAP-UART controller.
4 * Based on drivers/serial/8250.c
5 *
6 * Copyright (C) 2010 Texas Instruments.
7 *
8 * Authors:
9 * Govindraj R <govindraj.raja@ti.com>
10 * Thara Gopinath <thara@ti.com>
11 */
12
13 #ifndef __OMAP_SERIAL_H__
14 #define __OMAP_SERIAL_H__
15
16 #include <linux/serial_core.h>
17 #include <linux/device.h>
18 #include <linux/pm_qos.h>
19
20 #define OMAP_SERIAL_DRIVER_NAME "omap_uart"
21
22 /*
23 * Use tty device name as ttyO, [O -> OMAP]
24 * in bootargs we specify as console=ttyO0 if uart1
25 * is used as console uart.
26 */
27 #define OMAP_SERIAL_NAME "ttyO"
28
29 struct omap_uart_port_info {
30 bool dma_enabled; /* To specify DMA Mode */
31 unsigned int uartclk; /* UART clock rate */
32 upf_t flags; /* UPF_* flags */
33 unsigned int dma_rx_buf_size;
34 unsigned int dma_rx_timeout;
35 unsigned int autosuspend_timeout;
36 unsigned int dma_rx_poll_rate;
37
38 int (*get_context_loss_count)(struct device *);
39 void (*enable_wakeup)(struct device *, bool);
40 };
41
42 #endif /* __OMAP_SERIAL_H__ */