M: Richard Genoud <richard.genoud@gmail.com>
S: Maintained
F: drivers/tty/serial/atmel_serial.c
-F: include/linux/atmel_serial.h
+F: drivers/tty/serial/atmel_serial.h
MICROCHIP / ATMEL DMA DRIVER
M: Ludovic Desroches <ludovic.desroches@microchip.com>
#include <linux/dma-mapping.h>
#include <linux/dmaengine.h>
#include <linux/atmel_pdc.h>
-#include <linux/atmel_serial.h>
#include <linux/uaccess.h>
#include <linux/platform_data/atmel.h>
#include <linux/timer.h>
#include <linux/serial_core.h>
#include "serial_mctrl_gpio.h"
+#include "atmel_serial.h"
static void atmel_start_rx(struct uart_port *port);
static void atmel_stop_rx(struct uart_port *port);
--- /dev/null
+/*
+ * include/linux/atmel_serial.h
+ *
+ * Copyright (C) 2005 Ivan Kokshaysky
+ * Copyright (C) SAN People
+ *
+ * USART registers.
+ * Based on AT91RM9200 datasheet revision E.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef ATMEL_SERIAL_H
+#define ATMEL_SERIAL_H
+
+#define ATMEL_US_CR 0x00 /* Control Register */
+#define ATMEL_US_RSTRX BIT(2) /* Reset Receiver */
+#define ATMEL_US_RSTTX BIT(3) /* Reset Transmitter */
+#define ATMEL_US_RXEN BIT(4) /* Receiver Enable */
+#define ATMEL_US_RXDIS BIT(5) /* Receiver Disable */
+#define ATMEL_US_TXEN BIT(6) /* Transmitter Enable */
+#define ATMEL_US_TXDIS BIT(7) /* Transmitter Disable */
+#define ATMEL_US_RSTSTA BIT(8) /* Reset Status Bits */
+#define ATMEL_US_STTBRK BIT(9) /* Start Break */
+#define ATMEL_US_STPBRK BIT(10) /* Stop Break */
+#define ATMEL_US_STTTO BIT(11) /* Start Time-out */
+#define ATMEL_US_SENDA BIT(12) /* Send Address */
+#define ATMEL_US_RSTIT BIT(13) /* Reset Iterations */
+#define ATMEL_US_RSTNACK BIT(14) /* Reset Non Acknowledge */
+#define ATMEL_US_RETTO BIT(15) /* Rearm Time-out */
+#define ATMEL_US_DTREN BIT(16) /* Data Terminal Ready Enable */
+#define ATMEL_US_DTRDIS BIT(17) /* Data Terminal Ready Disable */
+#define ATMEL_US_RTSEN BIT(18) /* Request To Send Enable */
+#define ATMEL_US_RTSDIS BIT(19) /* Request To Send Disable */
+#define ATMEL_US_TXFCLR BIT(24) /* Transmit FIFO Clear */
+#define ATMEL_US_RXFCLR BIT(25) /* Receive FIFO Clear */
+#define ATMEL_US_TXFLCLR BIT(26) /* Transmit FIFO Lock Clear */
+#define ATMEL_US_FIFOEN BIT(30) /* FIFO enable */
+#define ATMEL_US_FIFODIS BIT(31) /* FIFO disable */
+
+#define ATMEL_US_MR 0x04 /* Mode Register */
+#define ATMEL_US_USMODE GENMASK(3, 0) /* Mode of the USART */
+#define ATMEL_US_USMODE_NORMAL 0
+#define ATMEL_US_USMODE_RS485 1
+#define ATMEL_US_USMODE_HWHS 2
+#define ATMEL_US_USMODE_MODEM 3
+#define ATMEL_US_USMODE_ISO7816_T0 4
+#define ATMEL_US_USMODE_ISO7816_T1 6
+#define ATMEL_US_USMODE_IRDA 8
+#define ATMEL_US_USCLKS GENMASK(5, 4) /* Clock Selection */
+#define ATMEL_US_USCLKS_MCK (0 << 4)
+#define ATMEL_US_USCLKS_MCK_DIV8 (1 << 4)
+#define ATMEL_US_USCLKS_SCK (3 << 4)
+#define ATMEL_US_CHRL GENMASK(7, 6) /* Character Length */
+#define ATMEL_US_CHRL_5 (0 << 6)
+#define ATMEL_US_CHRL_6 (1 << 6)
+#define ATMEL_US_CHRL_7 (2 << 6)
+#define ATMEL_US_CHRL_8 (3 << 6)
+#define ATMEL_US_SYNC BIT(8) /* Synchronous Mode Select */
+#define ATMEL_US_PAR GENMASK(11, 9) /* Parity Type */
+#define ATMEL_US_PAR_EVEN (0 << 9)
+#define ATMEL_US_PAR_ODD (1 << 9)
+#define ATMEL_US_PAR_SPACE (2 << 9)
+#define ATMEL_US_PAR_MARK (3 << 9)
+#define ATMEL_US_PAR_NONE (4 << 9)
+#define ATMEL_US_PAR_MULTI_DROP (6 << 9)
+#define ATMEL_US_NBSTOP GENMASK(13, 12) /* Number of Stop Bits */
+#define ATMEL_US_NBSTOP_1 (0 << 12)
+#define ATMEL_US_NBSTOP_1_5 (1 << 12)
+#define ATMEL_US_NBSTOP_2 (2 << 12)
+#define ATMEL_US_CHMODE GENMASK(15, 14) /* Channel Mode */
+#define ATMEL_US_CHMODE_NORMAL (0 << 14)
+#define ATMEL_US_CHMODE_ECHO (1 << 14)
+#define ATMEL_US_CHMODE_LOC_LOOP (2 << 14)
+#define ATMEL_US_CHMODE_REM_LOOP (3 << 14)
+#define ATMEL_US_MSBF BIT(16) /* Bit Order */
+#define ATMEL_US_MODE9 BIT(17) /* 9-bit Character Length */
+#define ATMEL_US_CLKO BIT(18) /* Clock Output Select */
+#define ATMEL_US_OVER BIT(19) /* Oversampling Mode */
+#define ATMEL_US_INACK BIT(20) /* Inhibit Non Acknowledge */
+#define ATMEL_US_DSNACK BIT(21) /* Disable Successive NACK */
+#define ATMEL_US_MAX_ITER GENMASK(26, 24) /* Max Iterations */
+#define ATMEL_US_FILTER BIT(28) /* Infrared Receive Line Filter */
+
+#define ATMEL_US_IER 0x08 /* Interrupt Enable Register */
+#define ATMEL_US_RXRDY BIT(0) /* Receiver Ready */
+#define ATMEL_US_TXRDY BIT(1) /* Transmitter Ready */
+#define ATMEL_US_RXBRK BIT(2) /* Break Received / End of Break */
+#define ATMEL_US_ENDRX BIT(3) /* End of Receiver Transfer */
+#define ATMEL_US_ENDTX BIT(4) /* End of Transmitter Transfer */
+#define ATMEL_US_OVRE BIT(5) /* Overrun Error */
+#define ATMEL_US_FRAME BIT(6) /* Framing Error */
+#define ATMEL_US_PARE BIT(7) /* Parity Error */
+#define ATMEL_US_TIMEOUT BIT(8) /* Receiver Time-out */
+#define ATMEL_US_TXEMPTY BIT(9) /* Transmitter Empty */
+#define ATMEL_US_ITERATION BIT(10) /* Max number of Repetitions Reached */
+#define ATMEL_US_TXBUFE BIT(11) /* Transmission Buffer Empty */
+#define ATMEL_US_RXBUFF BIT(12) /* Reception Buffer Full */
+#define ATMEL_US_NACK BIT(13) /* Non Acknowledge */
+#define ATMEL_US_RIIC BIT(16) /* Ring Indicator Input Change */
+#define ATMEL_US_DSRIC BIT(17) /* Data Set Ready Input Change */
+#define ATMEL_US_DCDIC BIT(18) /* Data Carrier Detect Input Change */
+#define ATMEL_US_CTSIC BIT(19) /* Clear to Send Input Change */
+#define ATMEL_US_RI BIT(20) /* RI */
+#define ATMEL_US_DSR BIT(21) /* DSR */
+#define ATMEL_US_DCD BIT(22) /* DCD */
+#define ATMEL_US_CTS BIT(23) /* CTS */
+
+#define ATMEL_US_IDR 0x0c /* Interrupt Disable Register */
+#define ATMEL_US_IMR 0x10 /* Interrupt Mask Register */
+#define ATMEL_US_CSR 0x14 /* Channel Status Register */
+#define ATMEL_US_RHR 0x18 /* Receiver Holding Register */
+#define ATMEL_US_THR 0x1c /* Transmitter Holding Register */
+#define ATMEL_US_SYNH BIT(15) /* Transmit/Receive Sync */
+
+#define ATMEL_US_BRGR 0x20 /* Baud Rate Generator Register */
+#define ATMEL_US_CD GENMASK(15, 0) /* Clock Divider */
+#define ATMEL_US_FP_OFFSET 16 /* Fractional Part */
+#define ATMEL_US_FP_MASK 0x7
+
+#define ATMEL_US_RTOR 0x24 /* Receiver Time-out Register for USART */
+#define ATMEL_UA_RTOR 0x28 /* Receiver Time-out Register for UART */
+#define ATMEL_US_TO GENMASK(15, 0) /* Time-out Value */
+
+#define ATMEL_US_TTGR 0x28 /* Transmitter Timeguard Register */
+#define ATMEL_US_TG GENMASK(7, 0) /* Timeguard Value */
+
+#define ATMEL_US_FIDI 0x40 /* FI DI Ratio Register */
+#define ATMEL_US_NER 0x44 /* Number of Errors Register */
+#define ATMEL_US_IF 0x4c /* IrDA Filter Register */
+
+#define ATMEL_US_CMPR 0x90 /* Comparaison Register */
+#define ATMEL_US_FMR 0xa0 /* FIFO Mode Register */
+#define ATMEL_US_TXRDYM(data) (((data) & 0x3) << 0) /* TX Ready Mode */
+#define ATMEL_US_RXRDYM(data) (((data) & 0x3) << 4) /* RX Ready Mode */
+#define ATMEL_US_ONE_DATA 0x0
+#define ATMEL_US_TWO_DATA 0x1
+#define ATMEL_US_FOUR_DATA 0x2
+#define ATMEL_US_FRTSC BIT(7) /* FIFO RTS pin Control */
+#define ATMEL_US_TXFTHRES(thr) (((thr) & 0x3f) << 8) /* TX FIFO Threshold */
+#define ATMEL_US_RXFTHRES(thr) (((thr) & 0x3f) << 16) /* RX FIFO Threshold */
+#define ATMEL_US_RXFTHRES2(thr) (((thr) & 0x3f) << 24) /* RX FIFO Threshold2 */
+
+#define ATMEL_US_FLR 0xa4 /* FIFO Level Register */
+#define ATMEL_US_TXFL(reg) (((reg) >> 0) & 0x3f) /* TX FIFO Level */
+#define ATMEL_US_RXFL(reg) (((reg) >> 16) & 0x3f) /* RX FIFO Level */
+
+#define ATMEL_US_FIER 0xa8 /* FIFO Interrupt Enable Register */
+#define ATMEL_US_FIDR 0xac /* FIFO Interrupt Disable Register */
+#define ATMEL_US_FIMR 0xb0 /* FIFO Interrupt Mask Register */
+#define ATMEL_US_FESR 0xb4 /* FIFO Event Status Register */
+#define ATMEL_US_TXFEF BIT(0) /* Transmit FIFO Empty Flag */
+#define ATMEL_US_TXFFF BIT(1) /* Transmit FIFO Full Flag */
+#define ATMEL_US_TXFTHF BIT(2) /* Transmit FIFO Threshold Flag */
+#define ATMEL_US_RXFEF BIT(3) /* Receive FIFO Empty Flag */
+#define ATMEL_US_RXFFF BIT(4) /* Receive FIFO Full Flag */
+#define ATMEL_US_RXFTHF BIT(5) /* Receive FIFO Threshold Flag */
+#define ATMEL_US_TXFPTEF BIT(6) /* Transmit FIFO Pointer Error Flag */
+#define ATMEL_US_RXFPTEF BIT(7) /* Receive FIFO Pointer Error Flag */
+#define ATMEL_US_TXFLOCK BIT(8) /* Transmit FIFO Lock (FESR only) */
+#define ATMEL_US_RXFTHF2 BIT(9) /* Receive FIFO Threshold Flag 2 */
+
+#define ATMEL_US_NAME 0xf0 /* Ip Name */
+#define ATMEL_US_VERSION 0xfc /* Ip Version */
+
+#endif
+++ /dev/null
-/*
- * include/linux/atmel_serial.h
- *
- * Copyright (C) 2005 Ivan Kokshaysky
- * Copyright (C) SAN People
- *
- * USART registers.
- * Based on AT91RM9200 datasheet revision E.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#ifndef ATMEL_SERIAL_H
-#define ATMEL_SERIAL_H
-
-#define ATMEL_US_CR 0x00 /* Control Register */
-#define ATMEL_US_RSTRX BIT(2) /* Reset Receiver */
-#define ATMEL_US_RSTTX BIT(3) /* Reset Transmitter */
-#define ATMEL_US_RXEN BIT(4) /* Receiver Enable */
-#define ATMEL_US_RXDIS BIT(5) /* Receiver Disable */
-#define ATMEL_US_TXEN BIT(6) /* Transmitter Enable */
-#define ATMEL_US_TXDIS BIT(7) /* Transmitter Disable */
-#define ATMEL_US_RSTSTA BIT(8) /* Reset Status Bits */
-#define ATMEL_US_STTBRK BIT(9) /* Start Break */
-#define ATMEL_US_STPBRK BIT(10) /* Stop Break */
-#define ATMEL_US_STTTO BIT(11) /* Start Time-out */
-#define ATMEL_US_SENDA BIT(12) /* Send Address */
-#define ATMEL_US_RSTIT BIT(13) /* Reset Iterations */
-#define ATMEL_US_RSTNACK BIT(14) /* Reset Non Acknowledge */
-#define ATMEL_US_RETTO BIT(15) /* Rearm Time-out */
-#define ATMEL_US_DTREN BIT(16) /* Data Terminal Ready Enable */
-#define ATMEL_US_DTRDIS BIT(17) /* Data Terminal Ready Disable */
-#define ATMEL_US_RTSEN BIT(18) /* Request To Send Enable */
-#define ATMEL_US_RTSDIS BIT(19) /* Request To Send Disable */
-#define ATMEL_US_TXFCLR BIT(24) /* Transmit FIFO Clear */
-#define ATMEL_US_RXFCLR BIT(25) /* Receive FIFO Clear */
-#define ATMEL_US_TXFLCLR BIT(26) /* Transmit FIFO Lock Clear */
-#define ATMEL_US_FIFOEN BIT(30) /* FIFO enable */
-#define ATMEL_US_FIFODIS BIT(31) /* FIFO disable */
-
-#define ATMEL_US_MR 0x04 /* Mode Register */
-#define ATMEL_US_USMODE GENMASK(3, 0) /* Mode of the USART */
-#define ATMEL_US_USMODE_NORMAL 0
-#define ATMEL_US_USMODE_RS485 1
-#define ATMEL_US_USMODE_HWHS 2
-#define ATMEL_US_USMODE_MODEM 3
-#define ATMEL_US_USMODE_ISO7816_T0 4
-#define ATMEL_US_USMODE_ISO7816_T1 6
-#define ATMEL_US_USMODE_IRDA 8
-#define ATMEL_US_USCLKS GENMASK(5, 4) /* Clock Selection */
-#define ATMEL_US_USCLKS_MCK (0 << 4)
-#define ATMEL_US_USCLKS_MCK_DIV8 (1 << 4)
-#define ATMEL_US_USCLKS_SCK (3 << 4)
-#define ATMEL_US_CHRL GENMASK(7, 6) /* Character Length */
-#define ATMEL_US_CHRL_5 (0 << 6)
-#define ATMEL_US_CHRL_6 (1 << 6)
-#define ATMEL_US_CHRL_7 (2 << 6)
-#define ATMEL_US_CHRL_8 (3 << 6)
-#define ATMEL_US_SYNC BIT(8) /* Synchronous Mode Select */
-#define ATMEL_US_PAR GENMASK(11, 9) /* Parity Type */
-#define ATMEL_US_PAR_EVEN (0 << 9)
-#define ATMEL_US_PAR_ODD (1 << 9)
-#define ATMEL_US_PAR_SPACE (2 << 9)
-#define ATMEL_US_PAR_MARK (3 << 9)
-#define ATMEL_US_PAR_NONE (4 << 9)
-#define ATMEL_US_PAR_MULTI_DROP (6 << 9)
-#define ATMEL_US_NBSTOP GENMASK(13, 12) /* Number of Stop Bits */
-#define ATMEL_US_NBSTOP_1 (0 << 12)
-#define ATMEL_US_NBSTOP_1_5 (1 << 12)
-#define ATMEL_US_NBSTOP_2 (2 << 12)
-#define ATMEL_US_CHMODE GENMASK(15, 14) /* Channel Mode */
-#define ATMEL_US_CHMODE_NORMAL (0 << 14)
-#define ATMEL_US_CHMODE_ECHO (1 << 14)
-#define ATMEL_US_CHMODE_LOC_LOOP (2 << 14)
-#define ATMEL_US_CHMODE_REM_LOOP (3 << 14)
-#define ATMEL_US_MSBF BIT(16) /* Bit Order */
-#define ATMEL_US_MODE9 BIT(17) /* 9-bit Character Length */
-#define ATMEL_US_CLKO BIT(18) /* Clock Output Select */
-#define ATMEL_US_OVER BIT(19) /* Oversampling Mode */
-#define ATMEL_US_INACK BIT(20) /* Inhibit Non Acknowledge */
-#define ATMEL_US_DSNACK BIT(21) /* Disable Successive NACK */
-#define ATMEL_US_MAX_ITER GENMASK(26, 24) /* Max Iterations */
-#define ATMEL_US_FILTER BIT(28) /* Infrared Receive Line Filter */
-
-#define ATMEL_US_IER 0x08 /* Interrupt Enable Register */
-#define ATMEL_US_RXRDY BIT(0) /* Receiver Ready */
-#define ATMEL_US_TXRDY BIT(1) /* Transmitter Ready */
-#define ATMEL_US_RXBRK BIT(2) /* Break Received / End of Break */
-#define ATMEL_US_ENDRX BIT(3) /* End of Receiver Transfer */
-#define ATMEL_US_ENDTX BIT(4) /* End of Transmitter Transfer */
-#define ATMEL_US_OVRE BIT(5) /* Overrun Error */
-#define ATMEL_US_FRAME BIT(6) /* Framing Error */
-#define ATMEL_US_PARE BIT(7) /* Parity Error */
-#define ATMEL_US_TIMEOUT BIT(8) /* Receiver Time-out */
-#define ATMEL_US_TXEMPTY BIT(9) /* Transmitter Empty */
-#define ATMEL_US_ITERATION BIT(10) /* Max number of Repetitions Reached */
-#define ATMEL_US_TXBUFE BIT(11) /* Transmission Buffer Empty */
-#define ATMEL_US_RXBUFF BIT(12) /* Reception Buffer Full */
-#define ATMEL_US_NACK BIT(13) /* Non Acknowledge */
-#define ATMEL_US_RIIC BIT(16) /* Ring Indicator Input Change */
-#define ATMEL_US_DSRIC BIT(17) /* Data Set Ready Input Change */
-#define ATMEL_US_DCDIC BIT(18) /* Data Carrier Detect Input Change */
-#define ATMEL_US_CTSIC BIT(19) /* Clear to Send Input Change */
-#define ATMEL_US_RI BIT(20) /* RI */
-#define ATMEL_US_DSR BIT(21) /* DSR */
-#define ATMEL_US_DCD BIT(22) /* DCD */
-#define ATMEL_US_CTS BIT(23) /* CTS */
-
-#define ATMEL_US_IDR 0x0c /* Interrupt Disable Register */
-#define ATMEL_US_IMR 0x10 /* Interrupt Mask Register */
-#define ATMEL_US_CSR 0x14 /* Channel Status Register */
-#define ATMEL_US_RHR 0x18 /* Receiver Holding Register */
-#define ATMEL_US_THR 0x1c /* Transmitter Holding Register */
-#define ATMEL_US_SYNH BIT(15) /* Transmit/Receive Sync */
-
-#define ATMEL_US_BRGR 0x20 /* Baud Rate Generator Register */
-#define ATMEL_US_CD GENMASK(15, 0) /* Clock Divider */
-#define ATMEL_US_FP_OFFSET 16 /* Fractional Part */
-#define ATMEL_US_FP_MASK 0x7
-
-#define ATMEL_US_RTOR 0x24 /* Receiver Time-out Register for USART */
-#define ATMEL_UA_RTOR 0x28 /* Receiver Time-out Register for UART */
-#define ATMEL_US_TO GENMASK(15, 0) /* Time-out Value */
-
-#define ATMEL_US_TTGR 0x28 /* Transmitter Timeguard Register */
-#define ATMEL_US_TG GENMASK(7, 0) /* Timeguard Value */
-
-#define ATMEL_US_FIDI 0x40 /* FI DI Ratio Register */
-#define ATMEL_US_NER 0x44 /* Number of Errors Register */
-#define ATMEL_US_IF 0x4c /* IrDA Filter Register */
-
-#define ATMEL_US_CMPR 0x90 /* Comparaison Register */
-#define ATMEL_US_FMR 0xa0 /* FIFO Mode Register */
-#define ATMEL_US_TXRDYM(data) (((data) & 0x3) << 0) /* TX Ready Mode */
-#define ATMEL_US_RXRDYM(data) (((data) & 0x3) << 4) /* RX Ready Mode */
-#define ATMEL_US_ONE_DATA 0x0
-#define ATMEL_US_TWO_DATA 0x1
-#define ATMEL_US_FOUR_DATA 0x2
-#define ATMEL_US_FRTSC BIT(7) /* FIFO RTS pin Control */
-#define ATMEL_US_TXFTHRES(thr) (((thr) & 0x3f) << 8) /* TX FIFO Threshold */
-#define ATMEL_US_RXFTHRES(thr) (((thr) & 0x3f) << 16) /* RX FIFO Threshold */
-#define ATMEL_US_RXFTHRES2(thr) (((thr) & 0x3f) << 24) /* RX FIFO Threshold2 */
-
-#define ATMEL_US_FLR 0xa4 /* FIFO Level Register */
-#define ATMEL_US_TXFL(reg) (((reg) >> 0) & 0x3f) /* TX FIFO Level */
-#define ATMEL_US_RXFL(reg) (((reg) >> 16) & 0x3f) /* RX FIFO Level */
-
-#define ATMEL_US_FIER 0xa8 /* FIFO Interrupt Enable Register */
-#define ATMEL_US_FIDR 0xac /* FIFO Interrupt Disable Register */
-#define ATMEL_US_FIMR 0xb0 /* FIFO Interrupt Mask Register */
-#define ATMEL_US_FESR 0xb4 /* FIFO Event Status Register */
-#define ATMEL_US_TXFEF BIT(0) /* Transmit FIFO Empty Flag */
-#define ATMEL_US_TXFFF BIT(1) /* Transmit FIFO Full Flag */
-#define ATMEL_US_TXFTHF BIT(2) /* Transmit FIFO Threshold Flag */
-#define ATMEL_US_RXFEF BIT(3) /* Receive FIFO Empty Flag */
-#define ATMEL_US_RXFFF BIT(4) /* Receive FIFO Full Flag */
-#define ATMEL_US_RXFTHF BIT(5) /* Receive FIFO Threshold Flag */
-#define ATMEL_US_TXFPTEF BIT(6) /* Transmit FIFO Pointer Error Flag */
-#define ATMEL_US_RXFPTEF BIT(7) /* Receive FIFO Pointer Error Flag */
-#define ATMEL_US_TXFLOCK BIT(8) /* Transmit FIFO Lock (FESR only) */
-#define ATMEL_US_RXFTHF2 BIT(9) /* Receive FIFO Threshold Flag 2 */
-
-#define ATMEL_US_NAME 0xf0 /* Ip Name */
-#define ATMEL_US_VERSION 0xfc /* Ip Version */
-
-#endif
projects / mirror_ubuntu-focal-kernel.git / commitdiff