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/linux/Documentation/userspace-api/media/
H A Dglossary.rst17 A :term:`Device Driver` that implements the main logic to talk with
46 An API designed to control a subset of the :term:`Media Hardware`
54 A specialized :term:`Microprocessor`, with its architecture
60 An :term:`IC` circuit designed to be configured by a customer or
66 A subset of the :term:`Media Hardware`. For example an :term:`I²C` or
67 :term:`SPI` device, or an :term:`IP Block` inside an
68 :term:`SoC` or :term:`FPGA`.
71 A group of :term:`hardware components <Hardware Component>` that
73 instance, the :term:`SoC` :term:`ISP` :term:`IP Block`
77 Also known as :term:`Peripheral`.
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/linux/tools/perf/util/
H A Dparse-events.c11 #include "term.h"
65 struct parse_events_term *term; in get_config_str() local
70 list_for_each_entry(term, &head_terms->terms, list) in get_config_str()
71 if (term->type_term == type_term) in get_config_str()
72 return term->val.str; in get_config_str()
90 struct parse_events_term *term; in get_config_cpu() local
96 list_for_each_entry(term, &head_terms->terms, list) { in get_config_cpu()
99 if (term->type_term != PARSE_EVENTS__TERM_TYPE_CPU) in get_config_cpu()
102 if (term->type_val == PARSE_EVENTS__TERM_TYPE_NUM) { in get_config_cpu()
103 term_cpus = perf_cpu_map__new_int(term->val.num); in get_config_cpu()
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H A Dparse-events.y75 %type <term> event_term
76 %destructor { parse_events_term__delete ($$); } <term>
106 struct parse_events_term *term; member
238 * no name was on an event via a term, set the name to the entire text
489 struct parse_events_term *term = $3; variable
492 parse_events_term__delete(term);
495 list_add_tail(&term->list, &head->terms);
502 struct parse_events_term *term = $1; variable
507 list_add_tail(&term->list, &head->terms);
516 struct parse_events_term *term; variable
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H A Dparse-events.l113 static int term(yyscan_t scanner, enum parse_events__term_type type) in term() function
217 /* PE_NAME token when inside a config term list, allows ':'. */
284 * Please update config_term_names when new static term is added.
286 config { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG); }
287 config1 { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG1); }
288 config2 { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG2); }
289 config3 { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG3); }
290 config4 { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG4); }
291 name { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_NAME); }
292 period { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD); }
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H A Dparse-events.h91 /** @list: The term list the term is a part of. */
94 * @config: The left-hand side of a term assignment, so the term
99 * @val: The right-hand side of a term assignment that can either be a
106 /** @type_val: The union variable in val to be used for the term. */
109 * @type_term: A predefined term type or PARSE_EVENTS__TERM_TYPE_USER
114 * @err_term: The column index of the term from parsing, used during
123 /** @used: Was the term used during parameterized-eval. */
126 * @weak: A term from the sysfs or json encoding of an event that
131 * @no_value: Is there no value. If a numeric term has no value then the
154 /* Holds returned terms for term parsing. */
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H A Dpmu.c782 struct parse_events_term *term; in pmu_alias_terms() local
793 list_for_each_entry(term, &alias_terms.terms, list) { in pmu_alias_terms()
798 term->weak = true; in pmu_alias_terms()
1434 * Term is a string term, and might be a param-term. Try to look up it's value
1436 * - We have a term like "base-or-format-term=param-term",
1437 * - We need to find the value supplied for "param-term" (with param-term named
1438 * in a config string) later on in the term list.
1440 static int pmu_resolve_param_term(struct parse_events_term *term, in pmu_resolve_param_term() argument
1448 t->config && !strcmp(t->config, term->config)) { in pmu_resolve_param_term()
1456 printf("Required parameter '%s' not specified\n", term->config); in pmu_resolve_param_term()
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H A Dbpf-filter.l14 static int sample(enum perf_bpf_filter_term term) in sample() argument
17 perf_bpf_filter_lval.sample.term = term; in sample()
22 static int sample_part(enum perf_bpf_filter_term term, int part) in sample_part() argument
25 perf_bpf_filter_lval.sample.term = term; in sample_part()
30 static int sample_path(enum perf_bpf_filter_term term) in sample_path() argument
33 perf_bpf_filter_lval.sample.term = term; in sample_path()
H A Ddrm_pmu.c317 struct parse_events_term *term, in drm_pmu__index_for_event()
320 if (term->type_term == PARSE_EVENTS__TERM_TYPE_USER) { in drm_pmu__config_term()
321 int i = drm_pmu__index_for_event(drm, term->config); in drm_pmu__config_term() argument
331 parse_events_error__handle(err, term->err_val, in drm_pmu__config_term()
333 "unexpected drm event term (%s) %s", in drm_pmu__config_term()
334 parse_events__term_type_str(term->type_term), in drm_pmu__config_term()
335 term->config) < 0 in drm_pmu__config_term()
336 ? strdup("unexpected drm event term") in drm_pmu__config_term()
349 struct parse_events_term *term; in drm_pmu__config_terms()
351 list_for_each_entry(term, in drm_pmu__config_terms()
353 struct parse_events_term *term; drm_pmu__config_terms() local
367 struct parse_events_term *term = drm_pmu__check_alias() local
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H A Dhwmon_pmu.c587 struct parse_events_term *term, in hwmon_pmu__config_term() argument
590 if (term->type_term == PARSE_EVENTS__TERM_TYPE_USER) { in hwmon_pmu__config_term()
594 if (parse_hwmon_filename(term->config, &type, &number, in hwmon_pmu__config_term()
612 !strcasecmp(term->config, value->name)) { in hwmon_pmu__config_term()
634 parse_events_error__handle(err, term->err_val, in hwmon_pmu__config_term()
636 "unexpected hwmon event term (%s) %s", in hwmon_pmu__config_term()
637 parse_events__term_type_str(term->type_term), in hwmon_pmu__config_term()
638 term->config) < 0 in hwmon_pmu__config_term()
639 ? strdup("unexpected hwmon event term") in hwmon_pmu__config_term()
652 struct parse_events_term *term; in hwmon_pmu__config_terms() local
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H A Dcolor_config.c32 char *term = getenv("TERM"); in perf_config_colorbool() local
33 if (term && strcmp(term, "dumb")) in perf_config_colorbool()
H A Dbpf-filter.c7 * Each filter expression contains a sample flag (term) to compare, an operation
28 * task id (tgid) --------------+ | .... | | | ... | .term (+ part)
125 if (expr->term >= PBF_TERM_SAMPLE_START && expr->term <= PBF_TERM_SAMPLE_END && in check_sample_flags()
126 (evsel->core.attr.sample_type & (1 << (expr->term - PBF_TERM_SAMPLE_START)))) in check_sample_flags()
129 if (expr->term == PBF_TERM_UID || expr->term == PBF_TERM_GID) { in check_sample_flags()
144 info = get_sample_info(expr->term); in check_sample_flags()
147 evsel__name(evsel), expr->term); in check_sample_flags()
171 entry[i].term = expr->term; in get_filter_entries()
184 entry[i].term = group->term; in get_filter_entries()
612 struct perf_bpf_filter_expr *perf_bpf_filter_expr__new(enum perf_bpf_filter_term term, in perf_bpf_filter_expr__new() argument
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H A Dbpf-filter.y19 /* To indicate if the current term needs a pathname or not */
35 enum perf_bpf_filter_term term;
88 $$ = perf_bpf_filter_expr__new($1.term, $1.part, $2, $3);
105 $$ = perf_bpf_filter_expr__new($1.term, $1.part, $2, cgroup_id);
/linux/net/netfilter/
H A Dxt_repldata.h5 * 'entries' and 'term' are never anywhere referenced by word in code. In fact,
13 * struct type##_error term;
25 struct type##_error *term; \
27 __alignof__(*term) - 1) & ~(__alignof__(*term) - 1); \
28 tbl = kzalloc(term_offset + sizeof(*term), GFP_KERNEL); \
31 term = (struct type##_error *)&(((char *)tbl)[term_offset]); \
33 *term = (struct type##_error)typ2##_ERROR_INIT; \
/linux/drivers/infiniband/sw/siw/
H A Diwarp.h216 static inline u8 __rdmap_term_layer(struct iwarp_terminate *term) in __rdmap_term_layer() argument
218 return term->layer; in __rdmap_term_layer()
221 static inline void __rdmap_term_set_layer(struct iwarp_terminate *term, in __rdmap_term_set_layer() argument
224 term->layer = layer & 0xf; in __rdmap_term_set_layer()
227 static inline u8 __rdmap_term_etype(struct iwarp_terminate *term) in __rdmap_term_etype() argument
229 return term->etype; in __rdmap_term_etype()
232 static inline void __rdmap_term_set_etype(struct iwarp_terminate *term, in __rdmap_term_set_etype() argument
235 term->etype = etype & 0xf; in __rdmap_term_set_etype()
238 static inline u8 __rdmap_term_ecode(struct iwarp_terminate *term) in __rdmap_term_ecode() argument
240 return term->ecode; in __rdmap_term_ecode()
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H A Dsiw_qp.c351 siw_dbg_qp(qp, "init TERM: layer %d, type %d, code %d, in tx %s\n", in siw_init_terminate()
367 struct iwarp_terminate *term = NULL; in siw_send_terminate() local
394 term = kzalloc_obj(*term); in siw_send_terminate()
395 if (!term) in siw_send_terminate()
398 term->ddp_qn = cpu_to_be32(RDMAP_UNTAGGED_QN_TERMINATE); in siw_send_terminate()
399 term->ddp_mo = 0; in siw_send_terminate()
400 term->ddp_msn = cpu_to_be32(1); in siw_send_terminate()
402 iov[0].iov_base = term; in siw_send_terminate()
403 iov[0].iov_len = sizeof(*term); in siw_send_terminate()
410 kfree(term); in siw_send_terminate()
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/linux/Documentation/driver-api/thermal/
H A Dpower_allocator.rst104 thermal governor allows the configuration of two proportional term
105 constants: `k_po` and `k_pu`. `k_po` is the proportional term
108 proportional term constant during temperature undershoot periods
123 proportional term will be 2 * `sustainable_power`. The default value
133 The proportional term is proportional to the difference between the
158 Therefore, the proportional term alone linearly decreases power from
165 `k_i` configures the PID loop's integral term constant. This term
166 allows the PID controller to compensate for long term drift and for
170 integral term. This term is then multiplied by `k_i` and the result
177 `k_d` configures the PID loop's derivative term constant. It's
/linux/tools/perf/Documentation/
H A Dintel-acr.txt11 term and a bitmask ("acr_mask") for each relevant event specifying the
26 The acr_mask term is a hexadecimal value representing a bitmask of the
34 ratio-to-prev Event Term
36 To simplify this, an event term "ratio-to-prev" is provided which is used
37 alongside the sample period term n or the -c/--count option. This would
46 ratio-to-prev is the ratio of the event using the term relative
/linux/drivers/media/v4l2-core/
H A Dv4l2-h264.c65 * For long term references, frame_num is set to in v4l2_h264_init_reflist_builder()
139 /* Short term pics first. */ in v4l2_h264_p_ref_list_cmp()
147 * For frames, short term pics are in descending pic num order and long in v4l2_h264_p_ref_list_cmp()
148 * term ones in ascending order. For fields, the same direction is used in v4l2_h264_p_ref_list_cmp()
178 /* Short term pics first. */ in v4l2_h264_b0_ref_list_cmp()
185 /* Long term pics in ascending frame num order. */ in v4l2_h264_b0_ref_list_cmp()
195 * Short term pics with POC < cur POC first in POC descending order in v4l2_h264_b0_ref_list_cmp()
196 * followed by short term pics with POC > cur POC in POC ascending in v4l2_h264_b0_ref_list_cmp()
223 /* Short term pics first. */ in v4l2_h264_b1_ref_list_cmp()
230 /* Long term pics in ascending frame num order. */ in v4l2_h264_b1_ref_list_cmp()
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/linux/include/linux/
H A Dpolynomial.h10 * struct polynomial_term - one term descriptor of a polynomial
11 * @deg: degree of the term.
12 * @coef: multiplication factor of the term.
26 * @terms: polynomial terms, last term must have degree of 0
/linux/Documentation/ABI/testing/
H A Dsysfs-class-thermal122 The derivative term of the power allocator governor's PID
130 The integral term of the power allocator governor's PID
131 controller. This term allows the PID controller to compensate
132 for long term drift. For more information see
139 The proportional term of the power allocator governor's PID
149 The proportional term of the power allocator governor's PID
160 above which the integral term of the power allocator
162 example, if integral_cutoff is 0, then the integral term only
/linux/drivers/macintosh/
H A Dwindfarm_pid.c39 /* Calculate error term */ in wf_pid_run()
56 /* Calculate integral term */ in wf_pid_run()
61 /* Calculate derivative term */ in wf_pid_run()
94 /* Calculate error term */ in wf_cpu_pid_run()
114 /* Calculate integral term */ in wf_cpu_pid_run()
124 /* Calculate derivative term */ in wf_cpu_pid_run()
130 /* Calculate proportional term */ in wf_cpu_pid_run()
/linux/sound/usb/
H A Dmixer.c761 struct usb_audio_term *term); in uac_mixer_unit_get_channels()
764 struct usb_audio_term *term,
769 term->type = le16_to_cpu(d->wTerminalType); in parse_term_uac1_iterm_unit()
770 term->channels = d->bNrChannels; in parse_term_uac1_iterm_unit() argument
771 term->chconfig = le16_to_cpu(d->wChannelConfig); in parse_term_uac1_iterm_unit()
772 term->name = d->iTerminal; in parse_term_uac1_iterm_unit()
777 struct usb_audio_term *term, in parse_term_uac1_iterm_unit()
784 err = __check_input_term(state, d->bCSourceID, term); in parse_term_uac2_iterm_unit()
788 /* save input term properties after recursion, in parse_term_uac2_iterm_unit()
791 term in parse_term_uac2_iterm_unit()
783 parse_term_uac2_iterm_unit(struct mixer_build * state,struct usb_audio_term * term,void * p1,int id) parse_term_uac2_iterm_unit() argument
806 parse_term_uac3_iterm_unit(struct mixer_build * state,struct usb_audio_term * term,void * p1,int id) parse_term_uac3_iterm_unit() argument
836 parse_term_mixer_unit(struct mixer_build * state,struct usb_audio_term * term,void * p1,int id) parse_term_mixer_unit() argument
857 parse_term_selector_unit(struct mixer_build * state,struct usb_audio_term * term,void * p1,int id) parse_term_selector_unit() argument
875 parse_term_proc_unit(struct mixer_build * state,struct usb_audio_term * term,void * p1,int id,int vtype) parse_term_proc_unit() argument
904 parse_term_effect_unit(struct mixer_build * state,struct usb_audio_term * term,void * p1,int id) parse_term_effect_unit() argument
919 parse_term_uac2_clock_source(struct mixer_build * state,struct usb_audio_term * term,void * p1,int id) parse_term_uac2_clock_source() argument
931 parse_term_uac3_clock_source(struct mixer_build * state,struct usb_audio_term * term,void * p1,int id) parse_term_uac3_clock_source() argument
949 __check_input_term(struct mixer_build * state,int id,struct usb_audio_term * term) __check_input_term() argument
1021 check_input_term(struct mixer_build * state,int id,struct usb_audio_term * term) check_input_term() argument
2010 get_connector_control_name(struct usb_mixer_interface * mixer,struct usb_audio_term * term,bool is_input,char * name,int name_size) get_connector_control_name() argument
2041 build_connector_control(struct usb_mixer_interface * mixer,const struct usbmix_name_map * imap,struct usb_audio_term * term,bool is_input) build_connector_control() argument
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/linux/tools/perf/tests/
H A Dparse-events.c816 struct parse_events_term *term; in test__checkterms_simple() local
819 term = list_entry(terms->terms.next, struct parse_events_term, list); in test__checkterms_simple()
820 TEST_ASSERT_VAL("wrong type term", in test__checkterms_simple()
821 term->type_term == PARSE_EVENTS__TERM_TYPE_CONFIG); in test__checkterms_simple()
823 term->type_val == PARSE_EVENTS__TERM_TYPE_NUM); in test__checkterms_simple()
824 TEST_ASSERT_VAL("wrong val", term->val.num == 10); in test__checkterms_simple()
825 TEST_ASSERT_VAL("wrong config", !strcmp(term->config, "config")); in test__checkterms_simple()
828 term = list_entry(term->list.next, struct parse_events_term, list); in test__checkterms_simple()
829 TEST_ASSERT_VAL("wrong type term", in test__checkterms_simple()
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/linux/drivers/tty/hvc/
H A Dhvc_rtas.c72 rtascons_put_char_token = rtas_token("put-term-char"); in hvc_rtas_init()
77 rtascons_get_char_token = rtas_token("get-term-char"); in hvc_rtas_init()
98 rtascons_put_char_token = rtas_token("put-term-char"); in hvc_rtas_console_init()
102 rtascons_get_char_token = rtas_token("get-term-char"); in hvc_rtas_console_init()
/linux/include/drm/
H A Ddrm_fixed.h215 s64 sum = DRM_FIXED_ONE, term, y = x; in drm_fixp_exp() local
221 term = y; in drm_fixp_exp()
223 while (term >= tolerance) { in drm_fixp_exp()
224 sum = sum + term; in drm_fixp_exp()
226 term = drm_fixp_mul(term, div64_s64(y, count)); in drm_fixp_exp()

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