| /linux/Documentation/devicetree/bindings/serial/ |
| H A D | nxp,sc16is7xx.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: NXP SC16IS7xx Advanced Universal Asynchronous Receiver-Transmitter (UART)
10 - Hugo Villeneuve <hvilleneuve@dimonoff.com>
15 - nxp,sc16is740
16 - nxp,sc16is741
17 - nxp,sc16is750
18 - nxp,sc16is752
19 - nxp,sc16is760
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| /linux/Documentation/driver-api/tty/ |
| H A D | n_gsm.rst | 7 This line discipline implements the GSM 07.10 multiplexing protocol
10 https://www.3gpp.org/ftp/Specs/archive/07_series/07.10/0710-720.zip
19 ----------------
21 #. Initialize the modem in 0710 mux mode (usually ``AT+CMUX=`` command) through
22 its serial port. Depending on the modem used, you can pass more or less
25 #. Switch the serial line to using the n_gsm line discipline by using
32 #. Configure DLCs using ``GSMIOC_GETCONF_DLCI``/``GSMIOC_SETCONF_DLCI`` ioctl for non-defaults.
37 (a good starting point is util-linux-ng/sys-utils/ldattach.c)::
54 /* open the serial port connected to the modem */
57 /* configure the serial port : speed, flow control ... */
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| /linux/drivers/usb/serial/ |
| H A D | mct_u232.h | 1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Definitions for MCT (Magic Control Technology) USB-RS232 Converter Driver
7 * This driver is for the device MCT USB-RS232 Converter (25 pin, Model No.
8 * U232-P25) from Magic Control Technology Corp. (there is also a 9 pin
9 * Model No. U232-P9). See http://www.mct.com.tw/products/product_us232.html
11 * of this file. This device was used in the Dlink DSB-S25.
24 /* U232-P25, Sitecom */
27 /* DU-H3SP USB BAY hub */
28 #define MCT_U232_DU_H3SP_PID 0x0200 /* D-Link DU-H3SP USB BAY */
30 /* Belkin badge the MCT U232-P9 as the F5U109 */
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| H A D | mxuport.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * mxuport.c - MOXA UPort series driver
9 * 2 ports : UPort 1250, UPort 1250I
10 * 4 ports : UPort 1410, UPort 1450, UPort 1450I
11 * 8 ports : UPort 1610-8, UPort 1650-8
12 * 16 ports : UPort 1610-16, UPort 1650-16
55 #define RQ_VENDOR_SET_LINE 0x02 /* Set line status */
72 #define RQ_VENDOR_SET_HIGH_PERFOR 0x11 /* Set hi-performance */
95 #define RQ_VENDOR_GET_MSR 0x86 /* Get modem status register */
101 #define UPORT_EVENT_MSR 3 /* Modem status */
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| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
11 ports, or acts like a serial device, and you want to connect it to
14 Please read <file:Documentation/usb/usb-serial.rst> for more
35 you can alter that using a kernel command line option such as
50 read <file:Documentation/usb/usb-serial.rst> for more information on
61 - Suunto ANT+ USB device.
62 - Medtronic CareLink USB device
63 - Fundamental Software dongle.
64 - Google USB serial devices
65 - HP4x calculators
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| /linux/drivers/tty/serial/ |
| H A D | mux.c | 1 // SPDX-License-Identifier: GPL-2.0+
4 ** serial driver for the Mux console found in some PA-RISC servers.
7 ** (c) Copyright 2002 Hewlett-Packard Company
26 #include <asm/parisc-device.h>
63 #define UART_PUT_CHAR(p, c) __raw_writel((c), (p)->membase + IO_DATA_REG_OFFSET)
64 #define UART_GET_FIFO_CNT(p) __raw_readl((p)->membase + IO_DCOUNT_REG_OFFSET)
67 * get_mux_port_count - Get the number of available ports on the Mux.
70 * This function is used to determine the number of ports the Mux
71 * supports. The IODC data reports the number of ports the Mux
72 * can support, but there are cases where not all the Mux ports
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| H A D | sc16is7xx.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * SC16IS7xx tty serial driver - common code
44 #define SC16IS7XX_FCR_REG (0x02) /* FIFO control */
45 #define SC16IS7XX_LCR_REG (0x03) /* Line Control */
46 #define SC16IS7XX_MCR_REG (0x04) /* Modem Control */
47 #define SC16IS7XX_LSR_REG (0x05) /* Line Status */
48 #define SC16IS7XX_MSR_REG (0x06) /* Modem Status */
53 * - only on 75x/76x
56 * - only on 75x/76x
59 * - only on 75x/76x
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| H A D | pmac_zilog.c | 1 // SPDX-License-Identifier: GPL-2.0+
17 * 2004-08-06 Harald Welte <laforge@gnumonks.org>
18 * - Enable BREAK interrupt
19 * - Add support for sysreq
21 * TODO: - Add DMA support
22 * - Defer port shutdown to a few seconds after close
23 * - maybe put something right into uap->clk_divisor
67 MODULE_DESCRIPTION("Driver for the Mac and PowerMac serial ports.");
80 #define pmz_debug(fmt, arg...) pr_debug("ttyPZ%d: " fmt, uap->port.line, ## arg)
81 #define pmz_error(fmt, arg...) pr_err("ttyPZ%d: " fmt, uap->port.line, ## arg)
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| H A D | ma35d1_serial.c | 1 // SPDX-License-Identifier: GPL-2.0+
36 /* MA35_IER_REG - Interrupt Enable Register */
39 #define MA35_IER_RLS_IEN BIT(2) /* RX Line Status Interrupt Enable */
40 #define MA35_IER_RTO_IEN BIT(4) /* RX Time-out Interrupt Enable */
42 #define MA35_IER_TIME_OUT_EN BIT(11) /* RX Buffer Time-out Counter Enable */
43 #define MA35_IER_AUTO_RTS BIT(12) /* nRTS Auto-flow Control Enable */
44 #define MA35_IER_AUTO_CTS BIT(13) /* nCTS Auto-flow Control Enable */
46 /* MA35_FCR_REG - FIFO Control Register */
62 /* MA35_LCR_REG - Line Control Register */
67 #define MA35_LCR_BREAK BIT(6) /* Break Control */
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| H A D | serial_txx9.c | 1 // SPDX-License-Identifier: GPL-2.0
10 * Copyright (C) 2000-2002 Toshiba Corporation
54 * Number of serial ports
71 /* SILCR : Line Control */
86 /* SIDICR : DMA/Int. Control */
122 /* SIFCR : FIFO Control */
141 /* SIFLCR : Flow Control */
151 /* SIBGR : Baudrate Control */
161 switch (up->iotype) { in sio_in()
163 return __raw_readl(up->membase + offset); in sio_in()
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| H A D | serial_core.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * Driver core for serial ports
8 * Copyright (C) 2000-2001 Deep Blue Solutions Ltd.
38 * This is used to lock changes in serial line configuration.
43 * lockdep: port->lock is initialized in two places, but we
44 * want only one lock-class:
48 #define HIGH_BITS_OFFSET ((sizeof(long)-sizeof(int))*8)
62 return !!(uport->status & UPSTAT_DCD_ENABLE); in uart_dcd_enabled()
67 if (atomic_add_unless(&state->refcount, 1, 0)) in uart_port_ref()
68 return state->uart_port; in uart_port_ref()
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| /linux/Documentation/sound/cards/ |
| H A D | cmipci.rst | 2 Brief Notes on C-Media 8338/8738/8768/8770 Driver
8 Front/Rear Multi-channel Playback
9 ---------------------------------
13 DACs, both streams are handled independently unlike the 4/6ch multi-
22 - The first DAC supports U8 and S16LE formats, while the second DAC
24 - The second DAC supports only two channel stereo.
51 control switch in the driver "Line-In As Rear", which you can change
52 via alsamixer or somewhat else. When this switch is on, line-in jack
60 4/6 Multi-Channel Playback
61 --------------------------
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| /linux/drivers/tty/serial/jsm/ |
| H A D | jsm.h | 1 /* SPDX-License-Identifier: GPL-2.0+ */
49 dev_dbg(pdev->dev, fmt, ##__VA_ARGS__); \
94 #define JSM_VERSION "jsm: 1.2-1-INKERNEL"
95 #define JSM_PARTNUM "40002438_A-INKERNEL"
122 * Per-board information
126 int boardnum; /* Board number: 0-32 */
130 u32 maxports; /* MAX ports this board can handle */
136 u32 nasync; /* Number of ports on card */
178 #define RQUEUEMASK 0x1FFF /* 8 K - 1 */
179 #define EQUEUEMASK 0x1FFF /* 8 K - 1 */
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| /linux/Documentation/driver-api/serial/ |
| H A D | driver.rst | 10 The reference implementation is contained within amba-pl011.c.
15 --------------------------------
18 information (defined by uart_port) and a set of control methods (defined
25 ---------------
28 the correct port structure (via uart_get_console()) and decoding command line
38 -------
41 necessary locking using port->lock. There are some exceptions (which
44 There are two locks. A per-port spinlock, and an overall semaphore.
46 From the core driver perspective, the port->lock locks the following
49 port->mctrl
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| /linux/drivers/tty/serial/8250/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
14 serial ports. The standard answer is Y. People who might say N
23 non-standard serial ports, since the configuration information will
30 BTW2: If you intend to use a software modem (also called Winmodem)
35 modems and similar devices connecting to the standard serial ports.
51 If you did not notice yet and/or you have userspace from pre-3.7, it
101 you can alter that using a kernel command line option such as
107 kernel will automatically use the first serial line, /dev/ttyS0, as
110 You can set that using a kernel command line option such as
146 Note that serial ports on NetMos 9835 Multi-I/O cards are handled
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| /linux/drivers/net/slip/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
7 tristate "SLIP (serial line) support"
13 Slip/CSlip server for other people to dial in. SLIP (Serial Line
15 serial connections such as telephone lines or null modem cables;
25 NET-3-HOWTO, available from
31 <http://www.bart.nl/~patrickr/term-howto/Term-HOWTO.html>). SLIP
40 This option enables Van Jacobsen serial line header compression
57 definitely want to say Y here. The NET-3-HOWTO, available from
66 RELCOM line fill and keepalive monitoring. Ideal on poor quality
74 networks that don't pass all control characters or are only seven
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| /linux/Documentation/arch/arm/sa1100/ |
| H A D | assabet.rst | 2 The Intel Assabet (SA-1110 evaluation) board
13 -------------------
25 -----------------------
39 John Dorsey has produced add-on patches to add support for Assabet and
55 - ftp://ftp.netwinder.org/users/n/nico/
56 - ftp://ftp.arm.linux.org.uk/pub/linux/arm/people/nico/
57 - ftp://ftp.handhelds.org/pub/linux/arm/sa-1100-patches/
59 Look for redboot-assabet*.tgz. Some installation infos are provided in
60 redboot-assabet*.txt.
64 -----------------------------
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| /linux/arch/mips/pci/ |
| H A D | fixup-fuloong2e.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
23 switch (PCI_FUNC(dev->devfn)) { in pcibios_map_irq()
55 /* System clock is 48-MHz Oscillator. */ in loongson2e_nec_fixup()
63 sb_slot = PCI_SLOT(pdev->devfn); in loongson2e_686b_func0_fixup()
73 /* disable ISA line buffer */ in loongson2e_686b_func0_fixup()
76 /* Gate INTR, and flush line buffer */ in loongson2e_686b_func0_fixup()
79 /* Disable PCI Delay Transaction, Enable EISA ports 4D0/4D1. */ in loongson2e_686b_func0_fixup()
83 * enable PCI Delay Transaction, Enable EISA ports 4D0/4D1. in loongson2e_686b_func0_fixup()
84 * enable time-out timer in loongson2e_686b_func0_fixup()
114 /* IRQ Routing for serial ports (take IRQ 3 and 4) */ in loongson2e_686b_func0_fixup()
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| /linux/Documentation/usb/ |
| H A D | usb-serial.rst | 45 --------------------------------------
58 -----------------------------------------------
72 This goes against the current documentation for pilot-xfer and other
77 (this is usually /dev/ttyUSB1 if you do not have any other usb-serial
99 Kroah-Hartman at greg@kroah.com
103 -------------------
115 significant advantage of using USB is speed - I can get 73 to 113
120 contains the necessary packages and a simple step-by-step howto.
129 iPAQ - disable autosync by going to the Start/Settings/Connections menu
138 You can also try soft-resetting your PDA before attempting a connection.
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| H A D | gadget_serial.rst | 7 (updated 8-May-2008 for v2.3)
11 ----------------------
25 MA 02111-1307 USA.
35 -------------
55 --------
65 --------------------------------------
66 | Host-Side CDC ACM USB Host |
68 | System | Generic USB | Driver |--------
71 -------------------------------------- |
76 -------------------------------------- |
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| /linux/arch/x86/kernel/ |
| H A D | early_printk.c | 1 // SPDX-License-Identifier: GPL-2.0
16 #include <xen/hvc-console.h>
17 #include <asm/pci-direct.h>
20 #include <linux/usb/xhci-dbgp.h>
34 while ((c = *str++) != '\0' && n-- > 0) { in early_vga_write()
36 /* scroll 1 line up */ in early_vga_write()
45 current_ypos = max_ypos-1; in early_vga_write()
50 current_xpos--; in early_vga_write()
74 .index = -1,
89 #define FCR 2 /* FIFO control */
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| /linux/sound/drivers/ |
| H A D | serial-u16550.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
12 * Added support for the Midiator MS-124T and for the MS-124W in
17 * More documentation can be found in serial-u16550.txt.
39 #define SNDRV_SERIAL_MS124T 1 /* Midiator MS-124T */
40 #define SNDRV_SERIAL_MS124W_SA 2 /* Midiator MS-124W in S/A mode */
41 #define SNDRV_SERIAL_MS124W_MB 3 /* Midiator MS-124W in M/B mode */
46 "MS-124T",
47 "MS-124W S/A",
48 "MS-124W M/B",
53 #define SNDRV_SERIAL_DROPBUFF 1 /* Non-blocking discard operation */
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| /linux/drivers/net/wan/ |
| H A D | n2.c | 1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 1998-2003 Krzysztof Halasa <khc@pm.waw.pl>
55 static char *hw; /* pointer to hw=xxx command line string */
59 /* PC Control Register */
62 #define PCR_VPM 2 /* Enable VPM - needed if using RAM above 1 MB */
64 #define PCR_BUS16 8 /* 16-bit bus */
78 /* Modem Control Reg */
102 u8 phy_node; /* physical port # - 0 or 1 */
114 u8 irq; /* IRQ (3-15) */
116 port_t ports[2]; member
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| /linux/include/linux/ |
| H A D | serial_core.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
25 ((port)->cons && (port)->cons->index == (port)->line)
37 * struct uart_ops -- interface between serial_core and the driver
55 * This function sets the modem control lines for @port to the state
58 * - %TIOCM_RTS RTS signal.
59 * - %TIOCM_DTR DTR signal.
60 * - %TIOCM_OUT1 OUT1 signal.
61 * - %TIOCM_OUT2 OUT2 signal.
62 * - %TIOCM_LOOP Set the port into loopback mode.
68 * Locking: @port->lock taken.
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| H A D | tty_driver.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
20 * struct tty_operations -- interface between driver and tty
29 * Optional method. Default behaviour is to use the @self->ttys array.
36 * Optional method. Default behaviour is to use the @self->ttys array.
43 * Optional method. Default behaviour is to use the @self->ttys array.
111 * control is acted.
113 * The ldisc is responsible for being intelligent about multi-threadin
453 struct tty_port **ports; global() member
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