18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-or-later */ 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci Mantis PCI bridge driver 48c2ecf20Sopenharmony_ci 58c2ecf20Sopenharmony_ci Copyright (C) Manu Abraham (abraham.manu@gmail.com) 68c2ecf20Sopenharmony_ci 78c2ecf20Sopenharmony_ci*/ 88c2ecf20Sopenharmony_ci 98c2ecf20Sopenharmony_ci#ifndef __MANTIS_UART_H 108c2ecf20Sopenharmony_ci#define __MANTIS_UART_H 118c2ecf20Sopenharmony_ci 128c2ecf20Sopenharmony_ci#define MANTIS_UART_CTL 0xe0 138c2ecf20Sopenharmony_ci#define MANTIS_UART_RXINT (1 << 4) 148c2ecf20Sopenharmony_ci#define MANTIS_UART_RXFLUSH (1 << 2) 158c2ecf20Sopenharmony_ci 168c2ecf20Sopenharmony_ci#define MANTIS_UART_RXD 0xe8 178c2ecf20Sopenharmony_ci#define MANTIS_UART_BAUD 0xec 188c2ecf20Sopenharmony_ci 198c2ecf20Sopenharmony_ci#define MANTIS_UART_STAT 0xf0 208c2ecf20Sopenharmony_ci#define MANTIS_UART_RXFIFO_DATA (1 << 7) 218c2ecf20Sopenharmony_ci#define MANTIS_UART_RXFIFO_EMPTY (1 << 6) 228c2ecf20Sopenharmony_ci#define MANTIS_UART_RXFIFO_FULL (1 << 3) 238c2ecf20Sopenharmony_ci#define MANTIS_UART_FRAME_ERR (1 << 2) 248c2ecf20Sopenharmony_ci#define MANTIS_UART_PARITY_ERR (1 << 1) 258c2ecf20Sopenharmony_ci#define MANTIS_UART_RXTHRESH_INT (1 << 0) 268c2ecf20Sopenharmony_ci 278c2ecf20Sopenharmony_cienum mantis_baud { 288c2ecf20Sopenharmony_ci MANTIS_BAUD_9600 = 0, 298c2ecf20Sopenharmony_ci MANTIS_BAUD_19200, 308c2ecf20Sopenharmony_ci MANTIS_BAUD_38400, 318c2ecf20Sopenharmony_ci MANTIS_BAUD_57600, 328c2ecf20Sopenharmony_ci MANTIS_BAUD_115200 338c2ecf20Sopenharmony_ci}; 348c2ecf20Sopenharmony_ci 358c2ecf20Sopenharmony_cienum mantis_parity { 368c2ecf20Sopenharmony_ci MANTIS_PARITY_NONE = 0, 378c2ecf20Sopenharmony_ci MANTIS_PARITY_EVEN, 388c2ecf20Sopenharmony_ci MANTIS_PARITY_ODD, 398c2ecf20Sopenharmony_ci}; 408c2ecf20Sopenharmony_ci 418c2ecf20Sopenharmony_cistruct mantis_pci; 428c2ecf20Sopenharmony_ci 438c2ecf20Sopenharmony_ciextern int mantis_uart_init(struct mantis_pci *mantis); 448c2ecf20Sopenharmony_ciextern void mantis_uart_exit(struct mantis_pci *mantis); 458c2ecf20Sopenharmony_ci 468c2ecf20Sopenharmony_ci#endif /* __MANTIS_UART_H */ 47