8250.h (9c5895057bfe5d033c65e15d13c7eee4a78cc837) 8250.h (33d9b8b23a73d5d8609a740d0adeea8235c2ae52)
1/*
2 * Driver for 8250/16550-type serial ports
3 *
4 * Based on drivers/char/serial.c, by Linus Torvalds, Theodore Ts'o.
5 *
6 * Copyright (C) 2001 Russell King.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 */
13
14#include <linux/serial_8250.h>
15#include <linux/serial_reg.h>
16#include <linux/dmaengine.h>
17
18struct uart_8250_dma {
19 int (*tx_dma)(struct uart_8250_port *p);
1/*
2 * Driver for 8250/16550-type serial ports
3 *
4 * Based on drivers/char/serial.c, by Linus Torvalds, Theodore Ts'o.
5 *
6 * Copyright (C) 2001 Russell King.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 */
13
14#include <linux/serial_8250.h>
15#include <linux/serial_reg.h>
16#include <linux/dmaengine.h>
17
18struct uart_8250_dma {
19 int (*tx_dma)(struct uart_8250_port *p);
20 int (*rx_dma)(struct uart_8250_port *p, unsigned int iir);
20 int (*rx_dma)(struct uart_8250_port *p);
21
22 /* Filter function */
23 dma_filter_fn fn;
24 /* Parameter to the filter function */
25 void *rx_param;
26 void *tx_param;
27
28 struct dma_slave_config rxconf;

--- 155 unchanged lines hidden (view full) ---

184static inline int is_omap1510_8250(struct uart_8250_port *pt)
185{
186 return 0;
187}
188#endif
189
190#ifdef CONFIG_SERIAL_8250_DMA
191extern int serial8250_tx_dma(struct uart_8250_port *);
21
22 /* Filter function */
23 dma_filter_fn fn;
24 /* Parameter to the filter function */
25 void *rx_param;
26 void *tx_param;
27
28 struct dma_slave_config rxconf;

--- 155 unchanged lines hidden (view full) ---

184static inline int is_omap1510_8250(struct uart_8250_port *pt)
185{
186 return 0;
187}
188#endif
189
190#ifdef CONFIG_SERIAL_8250_DMA
191extern int serial8250_tx_dma(struct uart_8250_port *);
192extern int serial8250_rx_dma(struct uart_8250_port *, unsigned int iir);
192extern int serial8250_rx_dma(struct uart_8250_port *);
193extern void serial8250_rx_dma_flush(struct uart_8250_port *);
193extern int serial8250_request_dma(struct uart_8250_port *);
194extern void serial8250_release_dma(struct uart_8250_port *);
195#else
196static inline int serial8250_tx_dma(struct uart_8250_port *p)
197{
198 return -1;
199}
194extern int serial8250_request_dma(struct uart_8250_port *);
195extern void serial8250_release_dma(struct uart_8250_port *);
196#else
197static inline int serial8250_tx_dma(struct uart_8250_port *p)
198{
199 return -1;
200}
200static inline int serial8250_rx_dma(struct uart_8250_port *p, unsigned int iir)
201static inline int serial8250_rx_dma(struct uart_8250_port *p)
201{
202 return -1;
203}
202{
203 return -1;
204}
205static inline void serial8250_rx_dma_flush(struct uart_8250_port *p) { }
204static inline int serial8250_request_dma(struct uart_8250_port *p)
205{
206 return -1;
207}
208static inline void serial8250_release_dma(struct uart_8250_port *p) { }
209#endif
210
211static inline int ns16550a_goto_highspeed(struct uart_8250_port *up)

--- 26 unchanged lines hidden --- 		206static inline int serial8250_request_dma(struct uart_8250_port *p)
207{
208 return -1;
209}
210static inline void serial8250_release_dma(struct uart_8250_port *p) { }
211#endif
212
213static inline int ns16550a_goto_highspeed(struct uart_8250_port *up)

--- 26 unchanged lines hidden ---