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/linux-6.12.1/Documentation/devicetree/bindings/iio/adc/
Datmel,sama5d2-adc.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/adc/atmel,sama5d2-adc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Eugen Hristev <eugen.hristev@microchip.com>
15 - atmel,sama5d2-adc
16 - microchip,sam9x60-adc
17 - microchip,sama7g5-adc
28 clock-names:
31 vref-supply: true
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Dst,stm32-adc.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iio/adc/st,stm32-adc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 STM32 ADC is a successive approximation analog-to-digital converter.
13 stored in a left-aligned or right-aligned 32-bit data register.
17 voltage goes beyond the user-defined, higher or lower thresholds.
22 - Fabrice Gasnier <fabrice.gasnier@foss.st.com>
27 - st,stm32f4-adc-core
28 - st,stm32h7-adc-core
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/linux-6.12.1/include/sound/sof/
Ddai-intel.h1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
61 /* SSP Configuration Request - SOF_IPC_DAI_SSP_CONFIG */
67 uint32_t mclk_rate; /* mclk frequency in Hz */
68 uint32_t fsync_rate; /* fsync frequency in Hz */
69 uint32_t bclk_rate; /* bclk frequency in Hz */
93 /* HDA Configuration Request - SOF_IPC_DAI_HDA_CONFIG */
97 uint32_t rate; member
101 /* ALH Configuration Request - SOF_IPC_DAI_ALH_CONFIG */
105 uint32_t rate; member
112 /* DMIC Configuration Request - SOF_IPC_DAI_DMIC_CONFIG */
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/linux-6.12.1/net/ipv4/
Dtcp_nv.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * TCP-NV is a successor of TCP-Vegas that has been developed to
7 * Like TCP-Vegas, TCP-NV supports true congestion avoidance,
9 * When congestion (queue buildup) starts to occur, TCP-NV
22 * seen issues with rx-frames values greater than 8.
46 * slow-start due to congestion
47 * nv_stop_rtt_cnt Only grow cwnd for this many RTTs after non-congestion
51 * How quickly to double growth rate (not rate) of cwnd when not
53 * rate < 1 pkt/RTT (after losses). The other (nv_cwnd_growth_rate_pos)
102 u32 nv_min_rtt; /* active min rtt. Used to determine slope */
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Dtcp_westwood.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * TCP Westwood+: end-to-end bandwidth estimation for TCP
10 * - Mascolo S, Casetti, M. Gerla et al.
13 * - A. Grieco, s. Mascolo
17 * - A. Dell'Aera, L. Grieco, S. Mascolo.
18 * "Linux 2.4 Implementation of Westwood+ TCP with Rate-Halving :
21 * Westwood+ employs end-to-end bandwidth measurement to set cwnd and
43 u8 reset_rtt_min; /* Reset RTT min to next RTT sample*/
47 #define TCP_WESTWOOD_RTT_MIN (HZ/20) /* 50ms */
48 #define TCP_WESTWOOD_INIT_RTT (20*HZ) /* maybe too conservative?! */
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Dtcp_cubic.c1 // SPDX-License-Identifier: GPL-2.0-only
8 * "CUBIC: A New TCP-Friendly High-Speed TCP Variant"
37 #define BICTCP_HZ 10 /* BIC HZ 2^10 = 1024 */
64 /* Note parameters that are used for precomputing scale factors are read-only */
79 " 1: packet-train 2: delay 3: both packet-train and delay");
94 u32 delay_min; /* min delay (usec) */
110 ca->found = 0; in bictcp_reset()
115 return tcp_sk(sk)->tcp_mstamp; in bictcp_clock_us()
123 ca->round_start = ca->last_ack = bictcp_clock_us(sk); in bictcp_hystart_reset()
124 ca->end_seq = tp->snd_nxt; in bictcp_hystart_reset()
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Dtcp_bbr.c3 * BBR congestion control computes the sending rate based on the delivery
4 * rate (throughput) estimated from ACKs. In a nutshell:
14 * observed, or adjust the sending rate if it estimates there is a
15 * traffic policer, in order to keep the drop rate reasonable.
21 * +---> STARTUP ----+
24 * | DRAIN ----+
27 * +---> PROBE_BW ----+
30 * | +----+ |
32 * +---- PROBE_RTT <--+
34 * A BBR flow starts in STARTUP, and ramps up its sending rate quickly.
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/linux-6.12.1/tools/testing/selftests/bpf/progs/
Dbpf_cubic.c1 // SPDX-License-Identifier: GPL-2.0-only
13 * "while (ca->ack_cnt > delta)" loop is changed to the equivalent
14 * "ca->ack_cnt / delta" operation.
22 #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
23 #define min(a, b) ((a) < (b) ? (a) : (b)) macro
27 return (__s32)(seq1-seq2) < 0; in before()
37 #define BICTCP_HZ 10 /* BIC HZ 2^10 = 1024 */
62 / (BICTCP_BETA_SCALE - beta);
63 /* calculate the "K" for (wmax-cwnd) = c/rtt * K^3
64 * so K = cubic_root( (wmax-cwnd)*rtt/c )
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/linux-6.12.1/include/sound/
Dpcm.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
8 * Abramo Bagnara <abramo@alsa-project.org>
21 #define snd_pcm_substream_chip(substream) ((substream)->private_data)
22 #define snd_pcm_chip(pcm) ((pcm)->private_data)
37 unsigned int rate_min; /* min rate */
38 unsigned int rate_max; /* max rate */
39 unsigned int channels_min; /* min channels */
42 size_t period_bytes_min; /* min period size */
44 unsigned int periods_min; /* min # of periods */
86 #define SNDRV_PCM_DEVICES (SNDRV_OS_MINORS-2)
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Demu10k1.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
16 #include <sound/pcm-indirect.h>
25 /* ------------------- DEFINES -------------------- */
33 /* FIXME? - according to the OSS driver the EMU10K1 needs a 29 bit DMA mask */
41 // This is used to define hardware bit-fields (sub-registers) by combining
44 // The non-concatenating (_NC) variant should be used directly only for
45 // sub-registers that do not follow the <register>_<field> naming pattern.
55 // Macros for manipulating values of bit-fields declared using the above macros.
59 // single sub-register at a time.
62 #define REG_MASK0(r) ((1U << REG_SIZE(r)) - 1U)
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/linux-6.12.1/arch/s390/kernel/
Dperf_cpum_sf.c1 // SPDX-License-Identifier: GPL-2.0
3 * Performance event support for the System z CPU-measurement Sampling Facility
29 #define PERF_EVENT_CPUM_SF 0xB0000UL /* Event: Basic-sampling */
30 #define PERF_EVENT_CPUM_SF_DIAG 0xBD000UL /* Event: Combined-sampling */
31 #define PERF_CPUM_SF_BASIC_MODE 0x0001 /* Basic-sampling flag */
32 #define PERF_CPUM_SF_DIAG_MODE 0x0002 /* Diagnostic-sampling flag */
35 #define OVERFLOW_REG(hwc) ((hwc)->extra_reg.config)
36 #define SFB_ALLOC_REG(hwc) ((hwc)->extra_reg.alloc)
37 #define TEAR_REG(hwc) ((hwc)->last_tag)
38 #define SAMPL_RATE(hwc) ((hwc)->event_base)
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/linux-6.12.1/include/linux/soundwire/
Dsdw.h1 /* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
2 /* Copyright(c) 2015-17 Intel Corporation. */
70 /* sample packaging for block. It can be per port or per channel */
75 * enum sdw_slave_status - Slave status
93 * @SDW_CLK_PRE_DEPREPARE: pre clock stop de-prepare
94 * @SDW_CLK_POST_DEPREPARE: post clock stop de-prepare
104 * enum sdw_command_response - Command response as defined by SDW spec
190 * enum sdw_p15_behave - Slave Port 15 behaviour when the Master attempts a
201 * enum sdw_dpn_type - Data port types
216 * enum sdw_clk_stop_mode - Clock Stop modes
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/linux-6.12.1/sound/hda/
Dhdac_device.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * HD-audio codec core device
28 * snd_hdac_device_init - initialize the HD-audio codec base device
48 dev = &codec->dev; in snd_hdac_device_init()
50 dev->parent = bus->dev; in snd_hdac_device_init()
51 dev->bus = &snd_hda_bus_type; in snd_hdac_device_init()
52 dev->release = default_release; in snd_hdac_device_init()
53 dev->groups = hdac_dev_attr_groups; in snd_hdac_device_init()
57 codec->bus = bus; in snd_hdac_device_init()
58 codec->addr = addr; in snd_hdac_device_init()
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/linux-6.12.1/net/dccp/ccids/
Dccid3.c1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * Copyright (c) 2005-7 The University of Waikato, Hamilton, New Zealand.
5 * Copyright (c) 2005-7 Ian McDonald <ian.mcdonald@jandi.co.nz>
14 * Copyright (c) 2003 Nils-Erik Mattsson, Joacim Haggmark, Magnus Erixzon
35 * Transmitter Half-Connection Routines
54 enum ccid3_hc_tx_states oldstate = hc->tx_state; in ccid3_hc_tx_set_state()
56 ccid3_pr_debug("%s(%p) %-8.8s -> %s\n", in ccid3_hc_tx_set_state()
60 hc->tx_state = state; in ccid3_hc_tx_set_state()
64 * Compute the initial sending rate X_init in the manner of RFC 3390:
66 * X_init = min(4 * s, max(2 * s, 4380 bytes)) / RTT
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/linux-6.12.1/sound/core/
Dpcm_lib.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Abramo Bagnara <abramo@alsa-project.org>
43 delta = new_ptr - ptr; in update_silence_vars()
47 delta += runtime->boundary; in update_silence_vars()
48 if ((snd_pcm_uframes_t)delta < runtime->silence_filled) in update_silence_vars()
49 runtime->silence_filled -= delta; in update_silence_vars()
51 runtime->silence_filled = 0; in update_silence_vars()
52 runtime->silence_start = new_ptr; in update_silence_vars()
57 * runtime->silence_start: starting pointer to silence area
58 * runtime->silence_filled: size filled with silence
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/linux-6.12.1/sound/soc/sh/rcar/
Dadg.c1 // SPDX-License-Identifier: GPL-2.0
3 // Helper routines for R-Car sound ADG.
6 #include <linux/clk-provider.h>
50 (i < adg->clkin_size) && \
51 ((pos) = adg->clkin[i]); \
55 (i < adg->clkout_size) && \
56 ((pos) = adg->clkout[i]); \
58 #define rsnd_priv_to_adg(priv) ((struct rsnd_adg *)(priv)->adg)
85 for (i = 3; i >= 0; i--) { in rsnd_adg_calculate_brgx()
88 return (u32)((i << 8) | ((div / ratio) - 1)); in rsnd_adg_calculate_brgx()
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/linux-6.12.1/net/mac80211/
Drc80211_minstrel_ht.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2010-2013 Felix Fietkau <nbd@openwrt.org>
4 * Copyright (C) 2019-2022 Intel Corporation
15 #include "rate.h"
44 * Define group sort order: HT40 -> SGI -> #streams
50 _streams - 1
55 _MAX(0, 16 - __builtin_clz(duration))
57 /* MCS rate information for an MCS group */
90 (_streams) - 1)
203 * To enable sufficiently targeted rate sampling, MCS rates are divided into
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/linux-6.12.1/net/dccp/
Dinput.c1 // SPDX-License-Identifier: GPL-2.0-or-later
19 /* rate-limit for syncs in reply to sequence-invalid packets; RFC 4340, 7.5.4 */
20 int sysctl_dccp_sync_ratelimit __read_mostly = HZ / 8;
24 __skb_pull(skb, dccp_hdr(skb)->dccph_doff * 4); in dccp_enqueue_skb()
25 __skb_queue_tail(&sk->sk_receive_queue, skb); in dccp_enqueue_skb()
27 sk->sk_data_ready(sk); in dccp_enqueue_skb()
38 sk->sk_shutdown = SHUTDOWN_MASK; in dccp_fin()
47 switch (sk->sk_state) { in dccp_rcv_close()
50 * - CLOSED (may be a late or duplicate packet) in dccp_rcv_close()
51 * - PASSIVE_CLOSEREQ (the peer has sent a CloseReq earlier) in dccp_rcv_close()
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/linux-6.12.1/sound/ppc/
Dbeep.c1 // SPDX-License-Identifier: GPL-2.0-or-later
14 #include <linux/dma-mapping.h>
21 int volume; /* mixer volume: 0-100 */
23 int hz; member
35 struct pmac_beep *beep = chip->beep; in snd_pmac_beep_stop()
36 if (beep && beep->running) { in snd_pmac_beep_stop()
37 beep->running = 0; in snd_pmac_beep_stop()
43 * Stuff for outputting a beep. The values range from -327 to +327
61 58, 45, 32, 18, 3, -11, -26, -41,
62 -55, -68, -79, -88, -95, -100, -102, -102,
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/linux-6.12.1/drivers/hid/
Dhid-nintendo.c1 // SPDX-License-Identifier: GPL-2.0+
3 * HID driver for Nintendo Switch Joy-Cons and Pro Controllers
5 * Copyright (c) 2019-2021 Daniel J. Ogorchock <djogorchock@gmail.com>
12 * https://gitlab.com/pjranki/joycon-linux-kernel (Peter Rankin)
16 * hid-wiimote kernel hid driver
17 * hid-logitech-hidpp driver
18 * hid-sony driver
20 * This driver supports the Nintendo Switch Joy-Cons and Pro Controllers. The
31 #include "hid-ids.h"
120 (JC_CAL_USR_LEFT_DATA_END - JC_CAL_USR_LEFT_DATA_ADDR + 1)
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/linux-6.12.1/block/
Dblk-wbt.c1 // SPDX-License-Identifier: GPL-2.0
6 * - Monitor latencies in a defined window of time.
7 * - If the minimum latency in the above window exceeds some target, increment
10 * - For any window where we don't have solid data on what the latencies
12 * - If latencies look good, decrement scaling step.
13 * - If we're only doing writes, allow the scaling step to go negative. This
25 #include <linux/backing-dev.h>
28 #include "blk-stat.h"
29 #include "blk-wbt.h"
30 #include "blk-rq-qos.h"
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/linux-6.12.1/sound/pci/rme9652/
Dhdspm.c1 // SPDX-License-Identifier: GPL-2.0-or-later
9 * Modified 2006-06-01 for AES32 support by Remy Bruno
12 * Modified 2009-04-13 for proper metering by Florian Faber
15 * Modified 2009-04-14 for native float support by Florian Faber
18 * Modified 2009-04-26 fixed bug in rms metering by Florian Faber
21 * Modified 2009-04-30 added hw serial number support by Florian Faber
23 * Modified 2011-01-14 added S/PDIF input on RayDATs by Adrian Knoth
25 * Modified 2011-01-25 variable period sizes on RayDAT/AIO by Adrian Knoth
27 * Modified 2019-05-23 fix AIO single speed ADAT capture and playback
35 * --------- HDSPM_controlRegister ---------
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/linux-6.12.1/sound/pci/ac97/
Dac97_pcm.c1 // SPDX-License-Identifier: GPL-2.0-or-later
151 if (pcm->spdif) in get_slot_reg()
153 if (pcm->stream == SNDRV_PCM_STREAM_PLAYBACK) in get_slot_reg()
154 return rate_reg_tables[dbl][pcm->r[dbl].rate_table[cidx]][slot - 3]; in get_slot_reg()
156 return rate_cregs[slot - 3]; in get_slot_reg()
159 static int set_spdif_rate(struct snd_ac97 *ac97, unsigned short rate) in set_spdif_rate() argument
164 if (! (ac97->ext_id & AC97_EI_SPDIF)) in set_spdif_rate()
165 return -ENODEV; in set_spdif_rate()
167 /* TODO: double rate support */ in set_spdif_rate()
168 if (ac97->flags & AC97_CS_SPDIF) { in set_spdif_rate()
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/linux-6.12.1/sound/soc/codecs/
Dda9055.c1 // SPDX-License-Identifier: GPL-2.0-or-later
58 /* Input - Gain, Select and Filter Registers */
71 /* Output - Gain, Select and Filter Registers */
288 0x0, 0x10, TLV_DB_SCALE_ITEM(-5400, 0, 0),
289 /* -54dB to 15dB */
290 0x11, 0x3f, TLV_DB_SCALE_ITEM(-5400, 150, 0)
295 /* -78dB to 12dB */
296 0x08, 0x7f, TLV_DB_SCALE_ITEM(-7800, 75, 0)
305 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, -600, 600, 0);
306 static const DECLARE_TLV_DB_SCALE(mixin_gain_tlv, -450, 150, 0);
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/linux-6.12.1/drivers/iio/adc/
Dat91-sama5d2_adc.c1 // SPDX-License-Identifier: GPL-2.0-only
14 #include <linux/dma-mapping.h>
31 #include <linux/nvmem-consumer.h>
36 #include <dt-bindings/iio/adc/at91-sama5d2_adc.h>
74 /* Prescaler Rate Selection */
110 /* Interrupt Enable Register - TS X measurement ready */
112 /* Interrupt Enable Register - TS Y measurement ready */
114 /* Interrupt Enable Register - TS pressure measurement ready */
116 /* Interrupt Enable Register - Data ready */
118 /* Interrupt Enable Register - general overrun error */
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