| /Linux-v6.1/drivers/gpu/drm/amd/display/include/ |
| D | signal_types.h | 29 /* Minimum pixel clock, in KHz. For TMDS signal is 25.00 MHz */
31 /* Maximum pixel clock, in KHz. For TMDS signal is 165.00 MHz */
35 SIGNAL_TYPE_NONE = 0L, /* no signal */
47 /* help functions for signal types manipulation */
48 static inline bool dc_is_hdmi_tmds_signal(enum signal_type signal) in dc_is_hdmi_tmds_signal() argument
50 return (signal == SIGNAL_TYPE_HDMI_TYPE_A); in dc_is_hdmi_tmds_signal()
53 static inline bool dc_is_hdmi_signal(enum signal_type signal) in dc_is_hdmi_signal() argument
55 return (signal == SIGNAL_TYPE_HDMI_TYPE_A); in dc_is_hdmi_signal()
58 static inline bool dc_is_dp_sst_signal(enum signal_type signal) in dc_is_dp_sst_signal() argument
60 return (signal == SIGNAL_TYPE_DISPLAY_PORT || in dc_is_dp_sst_signal()
[all …]
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| /Linux-v6.1/drivers/misc/echo/ |
| D | echo.h | 31 adequately cover the duration of that impulse response. The signal transmitted
33 properly adapted, the resulting output is an estimate of the echo signal
34 received from the line. This is subtracted from the received signal. The result
35 is an estimate of the signal which originated at the far end of the line, free
36 from echos of our own transmitted signal.
42 very poorly for things like speech echo cancellation, where the signal level
43 varies widely. This is quite easy to fix. If the signal level is normalised -
44 similar to applying AGC - LMS can work as well for a signal of varying
45 amplitude as it does for a modem signal. This normalised least mean squares
52 to adapt best to the strongest parts of a signal. If the signal is white noise,
[all …]
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| /Linux-v6.1/Documentation/ABI/testing/ |
| D | sysfs-timecard | 24 IRIG adjustments from external IRIG-B signal
25 DCF adjustments from external DCF signal
32 input signal.
35 10Mhz signal is used as the 10Mhz reference clock
36 PPS1 signal is sent to the PPS1 selector
37 PPS2 signal is sent to the PPS2 selector
38 TS1 signal is sent to timestamper 1
39 TS2 signal is sent to timestamper 2
40 TS3 signal is sent to timestamper 3
41 TS4 signal is sent to timestamper 4
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| D | sysfs-bus-counter | 124 Rising edges on signal A updates the respective count.
125 The input level of signal B determines direction.
129 signal A updates the respective count; if the direction
130 is backward, falling edges on quadrature pair signal A
136 signal B updates the respective count; if the direction
137 is backward, falling edges on quadrature pair signal B
142 Any state transition on quadrature pair signal A updates
147 Any state transition on quadrature pair signal B updates
193 Action mode of Count Y for Signal Z. This attribute indicates
194 the condition of Signal Z that triggers the count function
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| /Linux-v6.1/drivers/gpu/drm/etnaviv/ |
| D | etnaviv_perfmon.c | 20 const struct etnaviv_pm_signal *signal);
31 const struct etnaviv_pm_signal *signal; member
42 const struct etnaviv_pm_signal *signal) in perf_reg_read() argument
44 gpu_write(gpu, domain->profile_config, signal->data); in perf_reg_read()
59 const struct etnaviv_pm_signal *signal) in pipe_perf_reg_read() argument
67 value += perf_reg_read(gpu, domain, signal); in pipe_perf_reg_read()
78 const struct etnaviv_pm_signal *signal) in pipe_reg_read() argument
86 value += gpu_read(gpu, signal->data); in pipe_reg_read()
97 const struct etnaviv_pm_signal *signal) in hi_total_cycle_read() argument
111 const struct etnaviv_pm_signal *signal) in hi_total_idle_cycle_read() argument
[all …]
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| /Linux-v6.1/drivers/pinctrl/aspeed/ |
| D | pinmux-aspeed.h | 12 * basis where a given pin can provide a number of different signal types.
14 * The signal active on a pin is described by both a priority level and
18 * change from a high to low priority signal), or even in the same register.
28 * corner. The signal priorities are in decending order from P0 (highest).
30 * D6 is a pin with a single function (beside GPIO); a high priority signal
33 * Ball | Default | P0 Signal | P0 Expression | P1 Signal | P1 Expression | Other
38 * C5 is a multi-signal pin (high and low priority signals). Here we touch
39 * different registers for the different functions that enable each signal:
45 * E19 is a single-signal pin with two functions that influence the active
46 * signal. In this case both bits have the same meaning - enable a dedicated
[all …]
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| D | pinctrl-aspeed.c | 79 pr_debug("Enabling signal %s for %s\n", expr->signal, in aspeed_sig_expr_enable()
95 pr_debug("Disabling signal %s for %s\n", expr->signal, in aspeed_sig_expr_disable()
102 * aspeed_disable_sig() - Disable a signal on a pin by disabling all provided
103 * signal expressions.
106 * @exprs: The list of signal expressions (from a priority level on a pin)
127 * aspeed_find_expr_by_name - Search for the signal expression needed to
128 * enable the pin's signal for the requested function.
130 * @exprs: List of signal expressions (haystack)
133 * Return: A pointer to the signal expression whose function tag matches the
205 return expr->signal; in aspeed_sig_expr_signal()
[all …]
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| /Linux-v6.1/arch/arm/mach-spear/ |
| D | pl080.c | 29 unsigned int signal = cd->min_signal, val; in pl080_get_signal() local
34 /* Return if signal is already acquired by somebody else */ in pl080_get_signal()
35 if (signals[signal].busy && in pl080_get_signal()
36 (signals[signal].val != cd->muxval)) { in pl080_get_signal()
42 if (!signals[signal].busy) { in pl080_get_signal()
48 * value by 2 * signal number. in pl080_get_signal()
50 val &= ~(0x3 << (signal * 2)); in pl080_get_signal()
51 val |= cd->muxval << (signal * 2); in pl080_get_signal()
55 signals[signal].busy++; in pl080_get_signal()
56 signals[signal].val = cd->muxval; in pl080_get_signal()
[all …]
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| /Linux-v6.1/drivers/gpio/ |
| D | gpio-i8255.c | 76 * i8255_direction_input - configure signal offset as input
79 * @offset: signal offset to configure as input
81 * Configures a signal @offset as input for the respective Intel 8255
105 * i8255_direction_output - configure signal offset as output
108 * @offset: signal offset to configure as output
109 * @value: signal value to output
111 * Configures a signal @offset as output for the respective Intel 8255
112 * Programmable Peripheral Interface (@ppi) banks and sets the respective signal
139 * i8255_get - get signal value at signal offset
141 * @offset: offset of signal to get
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| /Linux-v6.1/Documentation/devicetree/bindings/leds/ |
| D | leds-bcm6328.yaml | 25 should be controlled by a hardware signal instead of the MODE register value,
29 explained later in brcm,link-signal-sources). Even if a LED is hardware
53 description: Makes clock signal active low.
57 description: Makes data signal active low.
89 brcm,link-signal-sources:
94 An array of hardware link signal sources. Up to four link hardware
97 7 may be muxed to LEDs 4 to 7. A signal can be muxed to more than one
98 LED, and one LED can have more than one source signal.
100 brcm,activity-signal-sources:
105 An array of hardware activity signal sources. Up to four activity
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| /Linux-v6.1/Documentation/devicetree/bindings/reset/ |
| D | reset.txt | 1 = Reset Signal Device Tree Bindings =
8 Hardware blocks typically receive a reset signal. This signal is generated by
14 A reset signal is represented by the phandle of the provider, plus a reset
15 specifier - a list of DT cells that represents the reset signal within the
20 A word on where to place reset signal consumers in device tree: It is possible
21 in hardware for a reset signal to affect multiple logically separate HW blocks
22 at once. In this case, it would be unwise to represent this reset signal in
26 children of the bus are affected by the reset signal, or an individual HW
29 rather than to slavishly enumerate the reset signal that affects each HW
49 for each reset signal that affects the device, or that the
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| /Linux-v6.1/drivers/tty/ |
| D | tty_jobctrl.c | 8 #include <linux/signal.h>
9 #include <linux/sched/signal.h>
25 * @sig: signal to send
28 * not in the foreground, send a SIGTTOU. If the signal is blocked or
39 if (current->signal->tty != tty) in __tty_check_change()
81 tty = p->signal->tty; in proc_clear_tty()
82 p->signal->tty = NULL; in proc_clear_tty()
112 if (current->signal->tty) { in __proc_set_tty()
114 current->signal->tty->name); in __proc_set_tty()
115 tty_kref_put(current->signal->tty); in __proc_set_tty()
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| /Linux-v6.1/tools/testing/selftests/powerpc/tm/ |
| D | Makefile | 2 SIGNAL_CONTEXT_CHK_TESTS := tm-signal-context-chk-gpr tm-signal-context-chk-fpu \
3 tm-signal-context-chk-vmx tm-signal-context-chk-vsx
5 TEST_GEN_PROGS := tm-resched-dscr tm-syscall tm-signal-msr-resv tm-signal-stack \
7 $(SIGNAL_CONTEXT_CHK_TESTS) tm-sigreturn tm-signal-sigreturn-nt \
8 tm-signal-context-force-tm tm-poison tm-signal-pagefault
26 $(OUTPUT)/tm-signal-context-force-tm: CFLAGS += -pthread -m64
27 $(OUTPUT)/tm-signal-pagefault: CFLAGS += -pthread -m64
31 $(SIGNAL_CONTEXT_CHK_TESTS): tm-signal.S
|
| D | .gitignore | 4 tm-signal-msr-resv
5 tm-signal-stack
11 tm-signal-context-chk-fpu
12 tm-signal-context-chk-gpr
13 tm-signal-context-chk-vmx
14 tm-signal-context-chk-vsx
15 tm-signal-context-force-tm
16 tm-signal-sigreturn-nt
17 tm-signal-pagefault
|
| /Linux-v6.1/Documentation/driver-api/ |
| D | generic-counter.rst | 29 * Signal:
33 Association of a Signal, and evaluation trigger, with a Count.
38 SIGNAL section in Theory
40 A Signal represents a stream of data. This is the input data that is
42 signal output line of a rotary encoder. Not all counter devices provide
43 user access to the Signal data, so exposure is optional for drivers.
45 When the Signal data is available for user access, the Generic Counter
46 interface provides the following available signal values:
49 Signal line is in a low state.
52 Signal line is in a high state.
[all …]
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| /Linux-v6.1/include/linux/ |
| D | counter.h | 52 * @signal_u8_read: Signal u8 component read callback. The read value of the
53 * respective Signal u8 component should be passed back via
61 * @signal_u32_read: Signal u32 component read callback. The read value of
62 * the respective Signal u32 component should be passed
70 * @signal_u64_read: Signal u64 component read callback. The read value of
71 * the respective Signal u64 component should be passed
73 * @signal_array_u32_read: Signal u32 array component read callback. The
91 * @signal_array_u64_read: Signal u64 array component read callback. The
106 * @signal_u8_write: Signal u8 component write callback. The write value of
107 * the respective Signal u8 component is passed via the val
[all …]
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| /Linux-v6.1/kernel/ |
| D | signal.c | 3 * linux/kernel/signal.c
32 #include <linux/signal.h>
50 #include <trace/events/signal.h>
60 * SLAB caches for signal bits.
89 if (unlikely(t->signal->flags & SIGNAL_UNKILLABLE) && in sig_task_ignored()
105 * signal handler may change by the time it is in sig_ignored()
112 * Tracers may want to know about even ignored signal unless it in sig_ignored()
126 static inline bool has_pending_signals(sigset_t *signal, sigset_t *blocked) in has_pending_signals() argument
134 ready |= signal->sig[i] &~ blocked->sig[i]; in has_pending_signals()
137 case 4: ready = signal->sig[3] &~ blocked->sig[3]; in has_pending_signals()
[all …]
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| /Linux-v6.1/tools/testing/selftests/net/mptcp/ |
| D | mptcp_join.sh | 830 pm_nl_add_endpoint $ns1 $addr flags signal
1881 if reset "unused signal address"; then
1882 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
1889 if reset "signal address"; then
1892 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
1899 # note: signal address in server ns and local addresses in client ns must
1902 if reset "subflow and signal"; then
1903 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
1913 if reset "multiple subflows and signal"; then
1915 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
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| D | pm_netlink.sh | 77 ip netns exec $ns1 ./pm_nl_ctl add 10.0.1.3 flags signal,backup
83 id 3 flags signal,backup 10.0.1.3" "dump addrs"
89 id 3 flags signal,backup 10.0.1.3" "dump addrs after del"
94 ip netns exec $ns1 ./pm_nl_ctl add 10.0.1.4 flags signal
95 check "ip netns exec $ns1 ./pm_nl_ctl get 4" "id 4 flags signal 10.0.1.4" "id addr increment"
98 ip netns exec $ns1 ./pm_nl_ctl add 10.0.1.$i flags signal >/dev/null 2>&1
100 check "ip netns exec $ns1 ./pm_nl_ctl get 9" "id 9 flags signal 10.0.1.9" "hard addr limit"
109 id 3 flags signal,backup 10.0.1.3
110 id 4 flags signal 10.0.1.4
111 id 5 flags signal 10.0.1.5
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| /Linux-v6.1/tools/testing/selftests/arm64/signal/ |
| D | README | 1 KSelfTest arm64/signal/
9 signal-test (setup/trigger/run/result/cleanup)
14 - Each signal testcase is compiled into its own executable: a separate
16 by receiving some kind of fatal signal from the Kernel, so it's safer
27 - 'mangle_' tests: a real signal (SIGUSR1) is raised and used as a trigger
28 and then the test case code modifies the signal frame from inside the
29 signal handler itself.
33 real signal return. This kind of tests does not use a trigger usually and
37 some fatal signal: usually SIGSEGV or SIGBUS. Since while writing this
57 - some fatal signal sent by the Kernel to the test process
|
| /Linux-v6.1/drivers/gpu/drm/amd/display/dc/link/ |
| D | link_hwss_dio.c | 47 if (dc_is_dp_signal(pipe_ctx->stream->signal)) in setup_dio_stream_encoder()
66 if (dc_is_dp_signal(pipe_ctx->stream->signal)) in reset_dio_stream_encoder()
78 if (!dc_is_virtual_signal(stream->signal)) in setup_dio_stream_attribute()
84 if (dc_is_dp_signal(stream->signal)) in setup_dio_stream_attribute()
91 else if (dc_is_hdmi_tmds_signal(stream->signal)) in setup_dio_stream_attribute()
97 else if (dc_is_dvi_signal(stream->signal)) in setup_dio_stream_attribute()
101 (stream->signal == SIGNAL_TYPE_DVI_DUAL_LINK) ? in setup_dio_stream_attribute()
103 else if (dc_is_lvds_signal(stream->signal)) in setup_dio_stream_attribute()
108 if (dc_is_dp_signal(stream->signal)) in setup_dio_stream_attribute()
114 enum signal_type signal, in enable_dio_dp_link_output() argument
[all …]
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| /Linux-v6.1/security/apparmor/ |
| D | ipc.c | 48 * audit_cb - call back for signal specific audit fields
64 if (aad(sa)->signal == SIGUNKNOWN) in audit_signal_cb()
65 audit_log_format(ab, "signal=unknown(%d)", in audit_signal_cb()
67 else if (aad(sa)->signal < MAXMAPPED_SIGNAME) in audit_signal_cb()
68 audit_log_format(ab, " signal=%s", sig_names[aad(sa)->signal]); in audit_signal_cb()
70 audit_log_format(ab, " signal=rtmin+%d", in audit_signal_cb()
71 aad(sa)->signal - SIGRT_BASE); in audit_signal_cb()
92 aad(sa)->signal); in profile_signal_perm()
103 aad(&sa)->signal = map_signal_num(sig); in aa_may_signal()
|
| /Linux-v6.1/Documentation/driver-api/gpio/ |
| D | intro.rst | 30 digital signal. They are provided from many kinds of chips, and are familiar
83 It is natural to assume that a GPIO is "active" when its output signal is 1
84 ("high"), and inactive when it is 0 ("low"). However in practice the signal of a
89 means "active") so that drivers only need to worry about the logical signal and
94 Sometimes shared signals need to use "open drain" (where only the low signal
95 level is actually driven), or "open source" (where only the high signal level is
97 used for TTL. A pullup or pulldown resistor causes the high or low signal level.
101 One common example of an open drain signal is a shared active-low IRQ line.
109 **LOW**: ``gpiod_direction_output(gpio, 0)`` ... this drives the signal and
113 the pullup (or some other device) controls the signal.
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| /Linux-v6.1/Documentation/devicetree/bindings/display/panel/ |
| D | panel-common.yaml | 84 (hot plug detect) signal, but the signal isn't hooked up so we should
103 Specifier for a GPIO connected to the panel enable control signal. The
104 enable signal is active high and enables operation of the panel. This
106 signal, which is a negated version of the enable signal. Active low enable
110 Note that the enable signal control panel operation only and must not be
111 confused with a backlight enable signal.
116 Specifier for a GPIO connected to the panel reset control signal.
117 The reset signal is active low and resets the panel internal logic
124 GPIO spec for the tearing effect synchronization signal.
125 The tearing effect signal is active high. Active low signals can be
|
| /Linux-v6.1/Documentation/devicetree/bindings/sound/ |
| D | cs35l35.txt | 26 - cirrus,audio-channel : Set Location of Audio Signal on Serial Port
30 - cirrus,advisory-channel : Set Location of Advisory Signal on Serial Port
34 - cirrus,shared-boost : Boolean to enable ClassH tracking of Advisory Signal
105 Optional Monitor Signal Format sub-node:
107 The cs35l35 node can have a single "cirrus,monitor-signal-format" sub-node
113 -cirrus,monitor-signal-format : Sub-node for the Monitor Signaling Formating
120 for each monitoring signal.
123 scale of the IMON monitor signal.
126 of the VMON monitor signal.
129 of the VPMON monitor signal.
[all …]
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