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