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4793f2ebff
Now that the SPDX tag is in all tty files, that identifies the license in a specific and legally-defined manner. So the extra GPL text wording can be removed as it is no longer needed at all. This is done on a quest to remove the 700+ different ways that files in the kernel describe the GPL license text. And there's unneeded stuff like the address (sometimes incorrect) for the FSF which is never needed. No copyright headers or other non-license-description text was removed. Cc: Jiri Slaby <jslaby@suse.com> Cc: Eric Anholt <eric@anholt.net> Cc: Stefan Wahren <stefan.wahren@i2se.com> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Ray Jui <rjui@broadcom.com> Cc: Scott Branden <sbranden@broadcom.com> Cc: bcm-kernel-feedback-list@broadcom.com Cc: "James E.J. Bottomley" <jejb@parisc-linux.org> Cc: Helge Deller <deller@gmx.de> Cc: Joachim Eastwood <manabian@gmail.com> Cc: Matthias Brugger <matthias.bgg@gmail.com> Cc: Masahiro Yamada <yamada.masahiro@socionext.com> Cc: Tobias Klauser <tklauser@distanz.ch> Cc: Russell King <linux@armlinux.org.uk> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Richard Genoud <richard.genoud@gmail.com> Cc: Alexander Shiyan <shc_work@mail.ru> Cc: Baruch Siach <baruch@tkos.co.il> Cc: Pat Gefre <pfg@sgi.com> Cc: "Guilherme G. Piccoli" <gpiccoli@linux.vnet.ibm.com> Cc: Jason Wessel <jason.wessel@windriver.com> Cc: Vladimir Zapolskiy <vz@mleia.com> Cc: Sylvain Lemieux <slemieux.tyco@gmail.com> Cc: Carlo Caione <carlo@caione.org> Cc: Kevin Hilman <khilman@baylibre.com> Cc: Liviu Dudau <liviu.dudau@arm.com> Cc: Sudeep Holla <sudeep.holla@arm.com> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Cc: Andy Gross <andy.gross@linaro.org> Cc: David Brown <david.brown@linaro.org> Cc: "Andreas Färber" <afaerber@suse.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Kevin Cernekee <cernekee@gmail.com> Cc: Laxman Dewangan <ldewangan@nvidia.com> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Jonathan Hunter <jonathanh@nvidia.com> Cc: Barry Song <baohua@kernel.org> Cc: Patrice Chotard <patrice.chotard@st.com> Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> Cc: Alexandre Torgue <alexandre.torgue@st.com> Cc: Chris Metcalf <cmetcalf@mellanox.com> Cc: Peter Korsgaard <jacmet@sunsite.dk> Cc: Timur Tabi <timur@tabi.org> Cc: Tony Prisk <linux@prisktech.co.nz> Cc: Michal Simek <michal.simek@xilinx.com> Cc: "Sören Brinkmann" <soren.brinkmann@xilinx.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
166 lines
7.6 KiB
C
166 lines
7.6 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* include/linux/atmel_serial.h
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*
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* Copyright (C) 2005 Ivan Kokshaysky
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* Copyright (C) SAN People
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*
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* USART registers.
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* Based on AT91RM9200 datasheet revision E.
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*/
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#ifndef ATMEL_SERIAL_H
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#define ATMEL_SERIAL_H
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#define ATMEL_US_CR 0x00 /* Control Register */
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#define ATMEL_US_RSTRX BIT(2) /* Reset Receiver */
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#define ATMEL_US_RSTTX BIT(3) /* Reset Transmitter */
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#define ATMEL_US_RXEN BIT(4) /* Receiver Enable */
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#define ATMEL_US_RXDIS BIT(5) /* Receiver Disable */
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#define ATMEL_US_TXEN BIT(6) /* Transmitter Enable */
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#define ATMEL_US_TXDIS BIT(7) /* Transmitter Disable */
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#define ATMEL_US_RSTSTA BIT(8) /* Reset Status Bits */
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#define ATMEL_US_STTBRK BIT(9) /* Start Break */
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#define ATMEL_US_STPBRK BIT(10) /* Stop Break */
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#define ATMEL_US_STTTO BIT(11) /* Start Time-out */
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#define ATMEL_US_SENDA BIT(12) /* Send Address */
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#define ATMEL_US_RSTIT BIT(13) /* Reset Iterations */
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#define ATMEL_US_RSTNACK BIT(14) /* Reset Non Acknowledge */
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#define ATMEL_US_RETTO BIT(15) /* Rearm Time-out */
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#define ATMEL_US_DTREN BIT(16) /* Data Terminal Ready Enable */
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#define ATMEL_US_DTRDIS BIT(17) /* Data Terminal Ready Disable */
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#define ATMEL_US_RTSEN BIT(18) /* Request To Send Enable */
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#define ATMEL_US_RTSDIS BIT(19) /* Request To Send Disable */
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#define ATMEL_US_TXFCLR BIT(24) /* Transmit FIFO Clear */
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#define ATMEL_US_RXFCLR BIT(25) /* Receive FIFO Clear */
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#define ATMEL_US_TXFLCLR BIT(26) /* Transmit FIFO Lock Clear */
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#define ATMEL_US_FIFOEN BIT(30) /* FIFO enable */
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#define ATMEL_US_FIFODIS BIT(31) /* FIFO disable */
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#define ATMEL_US_MR 0x04 /* Mode Register */
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#define ATMEL_US_USMODE GENMASK(3, 0) /* Mode of the USART */
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#define ATMEL_US_USMODE_NORMAL 0
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#define ATMEL_US_USMODE_RS485 1
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#define ATMEL_US_USMODE_HWHS 2
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#define ATMEL_US_USMODE_MODEM 3
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#define ATMEL_US_USMODE_ISO7816_T0 4
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#define ATMEL_US_USMODE_ISO7816_T1 6
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#define ATMEL_US_USMODE_IRDA 8
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#define ATMEL_US_USCLKS GENMASK(5, 4) /* Clock Selection */
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#define ATMEL_US_USCLKS_MCK (0 << 4)
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#define ATMEL_US_USCLKS_MCK_DIV8 (1 << 4)
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#define ATMEL_US_USCLKS_SCK (3 << 4)
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#define ATMEL_US_CHRL GENMASK(7, 6) /* Character Length */
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#define ATMEL_US_CHRL_5 (0 << 6)
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#define ATMEL_US_CHRL_6 (1 << 6)
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#define ATMEL_US_CHRL_7 (2 << 6)
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#define ATMEL_US_CHRL_8 (3 << 6)
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#define ATMEL_US_SYNC BIT(8) /* Synchronous Mode Select */
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#define ATMEL_US_PAR GENMASK(11, 9) /* Parity Type */
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#define ATMEL_US_PAR_EVEN (0 << 9)
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#define ATMEL_US_PAR_ODD (1 << 9)
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#define ATMEL_US_PAR_SPACE (2 << 9)
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#define ATMEL_US_PAR_MARK (3 << 9)
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#define ATMEL_US_PAR_NONE (4 << 9)
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#define ATMEL_US_PAR_MULTI_DROP (6 << 9)
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#define ATMEL_US_NBSTOP GENMASK(13, 12) /* Number of Stop Bits */
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#define ATMEL_US_NBSTOP_1 (0 << 12)
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#define ATMEL_US_NBSTOP_1_5 (1 << 12)
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#define ATMEL_US_NBSTOP_2 (2 << 12)
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#define ATMEL_US_CHMODE GENMASK(15, 14) /* Channel Mode */
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#define ATMEL_US_CHMODE_NORMAL (0 << 14)
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#define ATMEL_US_CHMODE_ECHO (1 << 14)
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#define ATMEL_US_CHMODE_LOC_LOOP (2 << 14)
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#define ATMEL_US_CHMODE_REM_LOOP (3 << 14)
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#define ATMEL_US_MSBF BIT(16) /* Bit Order */
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#define ATMEL_US_MODE9 BIT(17) /* 9-bit Character Length */
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#define ATMEL_US_CLKO BIT(18) /* Clock Output Select */
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#define ATMEL_US_OVER BIT(19) /* Oversampling Mode */
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#define ATMEL_US_INACK BIT(20) /* Inhibit Non Acknowledge */
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#define ATMEL_US_DSNACK BIT(21) /* Disable Successive NACK */
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#define ATMEL_US_MAX_ITER GENMASK(26, 24) /* Max Iterations */
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#define ATMEL_US_FILTER BIT(28) /* Infrared Receive Line Filter */
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#define ATMEL_US_IER 0x08 /* Interrupt Enable Register */
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#define ATMEL_US_RXRDY BIT(0) /* Receiver Ready */
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#define ATMEL_US_TXRDY BIT(1) /* Transmitter Ready */
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#define ATMEL_US_RXBRK BIT(2) /* Break Received / End of Break */
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#define ATMEL_US_ENDRX BIT(3) /* End of Receiver Transfer */
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#define ATMEL_US_ENDTX BIT(4) /* End of Transmitter Transfer */
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#define ATMEL_US_OVRE BIT(5) /* Overrun Error */
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#define ATMEL_US_FRAME BIT(6) /* Framing Error */
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#define ATMEL_US_PARE BIT(7) /* Parity Error */
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#define ATMEL_US_TIMEOUT BIT(8) /* Receiver Time-out */
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#define ATMEL_US_TXEMPTY BIT(9) /* Transmitter Empty */
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#define ATMEL_US_ITERATION BIT(10) /* Max number of Repetitions Reached */
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#define ATMEL_US_TXBUFE BIT(11) /* Transmission Buffer Empty */
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#define ATMEL_US_RXBUFF BIT(12) /* Reception Buffer Full */
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#define ATMEL_US_NACK BIT(13) /* Non Acknowledge */
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#define ATMEL_US_RIIC BIT(16) /* Ring Indicator Input Change */
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#define ATMEL_US_DSRIC BIT(17) /* Data Set Ready Input Change */
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#define ATMEL_US_DCDIC BIT(18) /* Data Carrier Detect Input Change */
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#define ATMEL_US_CTSIC BIT(19) /* Clear to Send Input Change */
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#define ATMEL_US_RI BIT(20) /* RI */
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#define ATMEL_US_DSR BIT(21) /* DSR */
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#define ATMEL_US_DCD BIT(22) /* DCD */
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#define ATMEL_US_CTS BIT(23) /* CTS */
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#define ATMEL_US_IDR 0x0c /* Interrupt Disable Register */
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#define ATMEL_US_IMR 0x10 /* Interrupt Mask Register */
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#define ATMEL_US_CSR 0x14 /* Channel Status Register */
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#define ATMEL_US_RHR 0x18 /* Receiver Holding Register */
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#define ATMEL_US_THR 0x1c /* Transmitter Holding Register */
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#define ATMEL_US_SYNH BIT(15) /* Transmit/Receive Sync */
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#define ATMEL_US_BRGR 0x20 /* Baud Rate Generator Register */
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#define ATMEL_US_CD GENMASK(15, 0) /* Clock Divider */
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#define ATMEL_US_FP_OFFSET 16 /* Fractional Part */
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#define ATMEL_US_FP_MASK 0x7
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#define ATMEL_US_RTOR 0x24 /* Receiver Time-out Register for USART */
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#define ATMEL_UA_RTOR 0x28 /* Receiver Time-out Register for UART */
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#define ATMEL_US_TO GENMASK(15, 0) /* Time-out Value */
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#define ATMEL_US_TTGR 0x28 /* Transmitter Timeguard Register */
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#define ATMEL_US_TG GENMASK(7, 0) /* Timeguard Value */
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#define ATMEL_US_FIDI 0x40 /* FI DI Ratio Register */
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#define ATMEL_US_NER 0x44 /* Number of Errors Register */
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#define ATMEL_US_IF 0x4c /* IrDA Filter Register */
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#define ATMEL_US_CMPR 0x90 /* Comparaison Register */
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#define ATMEL_US_FMR 0xa0 /* FIFO Mode Register */
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#define ATMEL_US_TXRDYM(data) (((data) & 0x3) << 0) /* TX Ready Mode */
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#define ATMEL_US_RXRDYM(data) (((data) & 0x3) << 4) /* RX Ready Mode */
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#define ATMEL_US_ONE_DATA 0x0
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#define ATMEL_US_TWO_DATA 0x1
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#define ATMEL_US_FOUR_DATA 0x2
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#define ATMEL_US_FRTSC BIT(7) /* FIFO RTS pin Control */
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#define ATMEL_US_TXFTHRES(thr) (((thr) & 0x3f) << 8) /* TX FIFO Threshold */
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#define ATMEL_US_RXFTHRES(thr) (((thr) & 0x3f) << 16) /* RX FIFO Threshold */
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#define ATMEL_US_RXFTHRES2(thr) (((thr) & 0x3f) << 24) /* RX FIFO Threshold2 */
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#define ATMEL_US_FLR 0xa4 /* FIFO Level Register */
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#define ATMEL_US_TXFL(reg) (((reg) >> 0) & 0x3f) /* TX FIFO Level */
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#define ATMEL_US_RXFL(reg) (((reg) >> 16) & 0x3f) /* RX FIFO Level */
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#define ATMEL_US_FIER 0xa8 /* FIFO Interrupt Enable Register */
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#define ATMEL_US_FIDR 0xac /* FIFO Interrupt Disable Register */
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#define ATMEL_US_FIMR 0xb0 /* FIFO Interrupt Mask Register */
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#define ATMEL_US_FESR 0xb4 /* FIFO Event Status Register */
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#define ATMEL_US_TXFEF BIT(0) /* Transmit FIFO Empty Flag */
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#define ATMEL_US_TXFFF BIT(1) /* Transmit FIFO Full Flag */
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#define ATMEL_US_TXFTHF BIT(2) /* Transmit FIFO Threshold Flag */
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#define ATMEL_US_RXFEF BIT(3) /* Receive FIFO Empty Flag */
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#define ATMEL_US_RXFFF BIT(4) /* Receive FIFO Full Flag */
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#define ATMEL_US_RXFTHF BIT(5) /* Receive FIFO Threshold Flag */
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#define ATMEL_US_TXFPTEF BIT(6) /* Transmit FIFO Pointer Error Flag */
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#define ATMEL_US_RXFPTEF BIT(7) /* Receive FIFO Pointer Error Flag */
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#define ATMEL_US_TXFLOCK BIT(8) /* Transmit FIFO Lock (FESR only) */
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#define ATMEL_US_RXFTHF2 BIT(9) /* Receive FIFO Threshold Flag 2 */
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#define ATMEL_US_NAME 0xf0 /* Ip Name */
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#define ATMEL_US_VERSION 0xfc /* Ip Version */
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#endif
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