projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| c6e3fd22 WH |
2 | #ifndef _SPEAKUP_SERIAL_H |
| 3 | #define _SPEAKUP_SERIAL_H | |
| 4 | ||
| 4b71598b | 5 | #include <linux/serial.h> /* for rs_table, serial constants */ |
| c6e3fd22 | 6 | #include <linux/serial_reg.h> /* for more serial constants */ |
| c6e3fd22 | 7 | #ifndef __sparc__ |
| f79b0d9c | 8 | #include <linux/serial.h> |
| c6e3fd22 | 9 | #endif |
| ff59f2a6 | 10 | #include <linux/serial_core.h> |
| c6e3fd22 | 11 | |
| 6b9ad1c7 OK |
12 | #include "spk_priv.h" |
| 13 | ||
| 3ee0017e JS |
14 | /* |
| 15 | * this is cut&paste from 8250.h. Get rid of the structure, the definitions | |
| 16 | * and this whole broken driver. | |
| 17 | */ | |
| 18 | struct old_serial_port { | |
| 19 | unsigned int uart; /* unused */ | |
| 20 | unsigned int baud_base; | |
| 21 | unsigned int port; | |
| 22 | unsigned int irq; | |
| ff59f2a6 | 23 | upf_t flags; /* unused */ |
| 3ee0017e JS |
24 | }; |
| 25 | ||
| c6e3fd22 | 26 | /* countdown values for serial timeouts in us */ |
| 6b9ad1c7 | 27 | #define SPK_SERIAL_TIMEOUT SPK_SYNTH_TIMEOUT |
| c6e3fd22 WH |
28 | /* countdown values transmitter/dsr timeouts in us */ |
| 29 | #define SPK_XMITR_TIMEOUT 100000 | |
| 30 | /* countdown values cts timeouts in us */ | |
| 31 | #define SPK_CTS_TIMEOUT 100000 | |
| 32 | /* check ttyS0 ... ttyS3 */ | |
| 33 | #define SPK_LO_TTY 0 | |
| 34 | #define SPK_HI_TTY 3 | |
| 35 | /* # of timeouts permitted before disable */ | |
| 36 | #define NUM_DISABLE_TIMEOUTS 3 | |
| 37 | /* buffer timeout in ms */ | |
| 38 | #define SPK_TIMEOUT 100 | |
| 39 | #define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE) | |
| 40 | ||
| 63b8ebe4 SG |
41 | #define spk_serial_tx_busy() \ |
| 42 | ((inb(speakup_info.port_tts + UART_LSR) & BOTH_EMPTY) != BOTH_EMPTY) | |
| c6e3fd22 | 43 | |
| c6e3fd22 | 44 | #endif |