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

/linux/Documentation/networking/device_drivers/hamradio/
H A Dbaycom.rst80 about DCD, i.e. it starts to send even if there's someone else on the channel.
114 to use the software DCD algorithm (see below)::
121 hardware DCD, par96 implies software DCD).
127 Hardware DCD versus Software DCD
131 busy. This is the task of the DCD circuitry/software. The driver may either
132 utilise a software DCD algorithm (options=1) or use a DCD signal from
136 ser12 if software DCD i
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/linux/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/Documentation/driver-api/cxl/devices/
H A Ddevice-types.rst150 As of v6.14, Linux does not provide a formalized interface to manage non-DCD
153 Dynamic Capacity Device (DCD)
157 of memory capacity. The basic premise of a DCD to provide an allocator-like
161 A DCD manages "Memory Extents", which may be volatile or persistent. Extents
164 As of v6.14, Linux does not provide a formalized interface to manage DCD
/linux/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-ir5221.dts43 AM33XX_PADCONF(AM335X_PIN_LCD_PCLK, PIN_INPUT_PULLDOWN, MUX_MODE7) /* lcd_pclk.gpio2[24] DCD */
56 AM33XX_PADCONF(AM335X_PIN_GPMC_AD14, PIN_INPUT_PULLDOWN, MUX_MODE7) /* gpmc_ad14.gpio1[14] DCD */
/linux/Documentation/devicetree/bindings/soc/fsl/cpm_qe/
H A Dserial.txt14 CTS, RTS, DCD, DSR, DTR, and RI.
/linux/drivers/net/hamradio/
H A Dz8530.h165 #define DCDIE 8 /* DCD IE */
176 #define DCD 0x8 /* DCD */ macro
H A Dscc.c366 /* DCD/CTS and Rx/Tx errors */
443 /* ABORT: generated whenever DCD drops while receiving */ in scc_exint()
448 /* HUNT: software DCD; on = waiting for SYNC, off = receiving frame */ in scc_exint()
465 /* DCD: on = start to receive packet, off = ABORT condition */ in scc_exint()
468 if((changes & DCD) && !scc->kiss.softdcd) /* DCD input changed state */ in scc_exint()
470 if(status & DCD) /* DCD is now ON */ in scc_exint()
474 } else { /* DCD is now OFF */ in scc_exint()
866 if(scc->kiss.softdcd || (InReg(scc->ctrl,R0) & DCD)) in init_channel()
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/linux/drivers/tty/serial/
H A Dzs.h221 #define DCDIE 8 /* DCD IE */
232 #define DCD 0x8 /* DCD */ macro
H A Dsunzilog.h205 #define DCDIE 8 /* DCD IE */
216 #define DCD 0x8 /* DCD */ macro
H A Dip22zilog.h201 #define DCDIE 8 /* DCD IE */
212 #define DCD 0x8 /* DCD */ macro
H A Dpmac_zilog.h286 #define DCDIE 8 /* DCD IE */
297 #define DCD 0x8 /* DCD */ macro
H A Dsunzilog.c436 /* The Zilog just gives us an interrupt when DCD/CTS/etc. change. in sunzilog_status_handle()
440 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()
H A Dzs.c31 * 8 CD -> ~B.DCD
36 * 22 RI -> ~A.DCD
328 ((status_b & DCD) ? TIOCM_CAR : 0) | in zs_raw_get_ab_mctrl()
329 ((status_a & DCD) ? TIOCM_RNG : 0) | in zs_raw_get_ab_mctrl()
463 /* A-side DCD tracks RI and SYNC tracks DSR. */ in zs_stop_rx()
471 /* This-side DCD tracks DCD and CTS tracks CTS. */ in zs_stop_rx()
475 /* DCD tracks RI and SYNC tracks DSR for the B side. */ in zs_stop_rx()
500 /* A-side DCD tracks RI and SYNC tracks DSR. */ in zs_enable_ms()
504 /* This-side DCD track in zs_enable_ms()
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/linux/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 */
H A Dimx7-colibri.dtsi953 MX7D_PAD_SD2_DATA1__GPIO5_IO15 0x14 /* SODIMM 31 / DCD */
H A Dimx6qdl-apalis.dtsi1258 /* Additional DTR, DSR, DCD */
H A Dimx6qdl-colibri.dtsi1057 /* Additional DTR, DSR, DCD */
/linux/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/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()
936 DBG1("port: %d DCD(%d), CTS(%d), RI(%d), DSR(%d)", in receive_flow_control()
1646 | (ctrl_dl->DCD ? TIOCM_CAR : 0) in ntty_tiocmget()
/linux/Documentation/driver-api/cxl/
H A Dmaturity-map.rst151 * [0] Dynamic Capacity Device (DCD) Support
/linux/arch/arm/boot/dts/gemini/
H A Dgemini-dlink-dir-685.dts35 /* Collides with LPC_LAD[0], UART DCD, SSP 97RST */
/linux/arch/arm64/boot/dts/freescale/
H A Dimx8mm-venice-gw7902.dts994 MX8MM_IOMUXC_SAI1_RXD4_GPIO4_IO6 0x140 /* DCD */
/linux/arch/arm/boot/dts/nvidia/
H A Dtegra124-apalis-v1.2.dtsi587 pb1 { /* DCD GPIO */