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Searched refs:DCD (Results 1 – 25 of 35) sorted by relevance

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/linux-6.15/Documentation/networking/device_drivers/hamradio/
H A Dbaycom.rst114 to use the software DCD algorithm (see below)::
121 hardware DCD, par96 implies software DCD).
127 Hardware DCD versus Software DCD
132 utilise a software DCD algorithm (options=1) or use a DCD signal from
136 ser12 if software DCD is utilised, the radio's squelch should always be
137 open. It is highly recommended to use the software DCD algorithm,
141 par96 the software DCD algorithm for this type of modem is rather poor.
143 a reasonable DCD algorithm in software. Therefore, if your radio
144 feeds the DCD input of the PAR96 modem, the use of the hardware
145 DCD circuitry is recommended.
[all …]
/linux-6.15/Documentation/ABI/testing/
H A Dsysfs-class-led-trigger-tty48 DCD = Data Carrier Detect
51 If set to 0 (default), the LED will not evaluate CAR (DCD).
52 If set to 1, the LED will evaluate CAR (DCD).
/linux-6.15/arch/arm/boot/dts/ti/omap/
H A Dam335x-netcom-plus-2xx.dts29 AM33XX_PADCONF(AM335X_PIN_LCD_PCLK, PIN_INPUT_PULLDOWN, MUX_MODE7) /* DCD */
42 AM33XX_PADCONF(AM335X_PIN_GPMC_AD14, PIN_INPUT_PULLDOWN, MUX_MODE7) /* DCD */
H A Dam335x-baltos-ir3220.dts35 …M33XX_PADCONF(AM335X_PIN_LCD_PCLK, PIN_INPUT_PULLDOWN, MUX_MODE7) /* lcd_pclk.gpio2[24] DCD */
48 …3XX_PADCONF(AM335X_PIN_GPMC_AD14, PIN_INPUT_PULLDOWN, MUX_MODE7) /* gpmc_ad14.gpio1[14] DCD */
H A Dam335x-baltos-ir5221.dts43 …M33XX_PADCONF(AM335X_PIN_LCD_PCLK, PIN_INPUT_PULLDOWN, MUX_MODE7) /* lcd_pclk.gpio2[24] DCD */
56 …3XX_PADCONF(AM335X_PIN_GPMC_AD14, PIN_INPUT_PULLDOWN, MUX_MODE7) /* gpmc_ad14.gpio1[14] DCD */
H A Dam335x-baltos-ir2110.dts29 …M33XX_PADCONF(AM335X_PIN_LCD_PCLK, PIN_INPUT_PULLDOWN, MUX_MODE7) /* lcd_pclk.gpio2[24] DCD */
/linux-6.15/Documentation/devicetree/bindings/soc/fsl/cpm_qe/
H A Dserial.txt14 CTS, RTS, DCD, DSR, DTR, and RI.
/linux-6.15/Documentation/devicetree/bindings/serial/
H A Dcirrus,clps711x-uart.txt11 - {rts,cts,dtr,dsr,rng,dcd}-gpios: specify a GPIO for RTS/CTS/DTR/DSR/RI/DCD
H A Dserial.yaml38 the UART's DCD line.
H A Dsnps-dw-apb-uart.yaml126 description: Override the DCD modem status signal. This signal will
/linux-6.15/drivers/net/hamradio/
H A Dz8530.h176 #define DCD 0x8 /* DCD */ macro
H A Dscc.c468 if((changes & DCD) && !scc->kiss.softdcd) /* DCD input changed state */ in scc_exint()
470 if(status & DCD) /* DCD is now ON */ in scc_exint()
866 if(scc->kiss.softdcd || (InReg(scc->ctrl,R0) & DCD)) in init_channel()
/linux-6.15/drivers/tty/serial/
H A Dzs.h232 #define DCD 0x8 /* DCD */ macro
H A Dip22zilog.h212 #define DCD 0x8 /* DCD */ macro
H A Dsunzilog.h216 #define DCD 0x8 /* DCD */ macro
H A Dpmac_zilog.h297 #define DCD 0x8 /* DCD */ macro
H A Dip22zilog.c342 if ((status ^ up->prev_status) ^ DCD) in ip22zilog_status_handle()
344 (status & DCD)); in ip22zilog_status_handle()
529 if (status & DCD) in ip22zilog_get_mctrl()
H A Dpmac_zilog.c318 if ((status ^ uap->prev_status) & DCD) in pmz_status_handle()
320 (status & DCD)); in pmz_status_handle()
562 if (status & DCD) in pmz_get_mctrl()
H A Dsunzilog.c440 if ((status ^ up->prev_status) ^ DCD) in sunzilog_status_handle()
442 (status & DCD)); in sunzilog_status_handle()
630 if (status & DCD) in sunzilog_get_mctrl()
/linux-6.15/arch/arm/boot/dts/nxp/imx/
H A Dimx6dl-eckelmann-ci4x10.dts239 MX6QDL_PAD_EIM_D23__GPIO3_IO23 0x0001b010 /* DCD */
251 MX6QDL_PAD_NANDF_D1__GPIO2_IO01 0x0001b010 /* DCD */
H A Dimx6ull-colibri.dtsi610 pinctrl_uart1_ctrl1: uart1ctrl1grp { /* Additional DTR, DCD */
612 MX6UL_PAD_JTAG_TDI__GPIO1_IO13 0x70a0 /* SODIMM 31 / DCD */
/linux-6.15/Documentation/arch/arm/sa1100/
H A Dassabet.rst253 Radio: TX, RX, CTS, DSR, DCD, RI
255 - COM: TX, RX, CTS, DSR, DCD, RTS, DTR, PM
294 - COM1,2: TX, RX, CTS, DSR, DCD, RTS, DTR
/linux-6.15/drivers/tty/
H A Dnozomi.c224 unsigned int DCD:1; member
281 unsigned int DCD:1; member
931 if (old_ctrl.DCD != ctrl_dl.DCD) in receive_flow_control()
1646 | (ctrl_dl->DCD ? TIOCM_CAR : 0) in ntty_tiocmget()
/linux-6.15/Documentation/devicetree/bindings/net/
H A Dintel,ixp4xx-hss.yaml96 description: Data Carrier Detect (DCD) GPIO line
/linux-6.15/Documentation/driver-api/cxl/
H A Dmaturity-map.rst151 * [0] Dynamic Capacity Device (DCD) Support

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