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/Linux-v5.10/drivers/gpu/drm/i915/gt/
Dintel_gt_clock_utils.c10 #define MHZ_12 12000000 /* 12MHz (24MHz/2), 83.333ns */
11 #define MHZ_12_5 12500000 /* 12.5MHz (25MHz/2), 80ns */
12 #define MHZ_19_2 19200000 /* 19.2MHz, 52.083ns */
49 gt->clock_frequency / 1000); in intel_gt_init_clock_frequency()
71 return div_u64_roundup(mul_u32_u32(count, 1000 * 1000 * 1000), in intel_gt_clock_interval_to_ns()
80 u32 intel_gt_ns_to_clock_interval(const struct intel_gt *gt, u32 ns) in intel_gt_ns_to_clock_interval() argument
82 return div_u64_roundup(mul_u32_u32(gt->clock_frequency, ns), in intel_gt_ns_to_clock_interval()
83 1000 * 1000 * 1000); in intel_gt_ns_to_clock_interval()
86 u32 intel_gt_ns_to_pm_interval(const struct intel_gt *gt, u32 ns) in intel_gt_ns_to_pm_interval() argument
97 val = DIV_ROUND_UP(intel_gt_ns_to_clock_interval(gt, ns), 16); in intel_gt_ns_to_pm_interval()
/Linux-v5.10/arch/arm/boot/dts/
Dtegra20-cpu-opp.dtsi9 clock-latency-ns = <400000>;
15 clock-latency-ns = <400000>;
21 clock-latency-ns = <400000>;
27 clock-latency-ns = <400000>;
33 clock-latency-ns = <400000>;
39 clock-latency-ns = <400000>;
46 clock-latency-ns = <400000>;
52 clock-latency-ns = <400000>;
58 clock-latency-ns = <400000>;
64 clock-latency-ns = <400000>;
[all …]
Dtegra30-cpu-opp.dtsi9 clock-latency-ns = <100000>;
15 clock-latency-ns = <100000>;
21 clock-latency-ns = <100000>;
27 clock-latency-ns = <100000>;
33 clock-latency-ns = <100000>;
39 clock-latency-ns = <100000>;
45 clock-latency-ns = <100000>;
51 clock-latency-ns = <100000>;
57 clock-latency-ns = <100000>;
63 clock-latency-ns = <100000>;
[all …]
/Linux-v5.10/drivers/memory/
Domap-gpmc.c284 rate /= 1000; in gpmc_get_fclk_period()
328 return (time_ns * 1000 + tick_ps - 1) / tick_ps; in gpmc_ns_to_clk_ticks()
349 return ticks * gpmc_get_clk_period(cs, cd) / 1000; in gpmc_clk_ticks_to_ns()
416 * tick format: gpmc,name = <value> /&zwj;* x ns -- y ns; x ticks *&zwj;/
417 * Where x ns -- y ns result in the same tick value.
449 /* DTS tick format for timings in ns */ in get_gpmc_timing_reg()
456 pr_info("gpmc,%s = <%u>; /* %u ns - %u ns; %i ticks%s*/\n", in get_gpmc_timing_reg()
533 GPMC_GET_TICKS(GPMC_CS_CONFIG2, 0, 3, "cs-on-ns"); in gpmc_cs_show_timings()
534 GPMC_GET_TICKS(GPMC_CS_CONFIG2, 8, 12, "cs-rd-off-ns"); in gpmc_cs_show_timings()
535 GPMC_GET_TICKS(GPMC_CS_CONFIG2, 16, 20, "cs-wr-off-ns"); in gpmc_cs_show_timings()
[all …]
/Linux-v5.10/drivers/video/fbdev/omap/
Dhwa742.c207 if ((width * hwa742.pix_tx_time / 1000) * height < in enable_tearsync()
208 (y + height) * (hwa742.line_upd_time / 1000)) { in enable_tearsync()
627 /* CSOnTime 0, WEOnTime 2 ns, REOnTime 2 ns, in calc_reg_timing()
628 * AccessTime 2 ns + 12.2 ns (regs), in calc_reg_timing()
629 * WEOffTime = WEOnTime + 1 ns, in calc_reg_timing()
630 * REOffTime = REOnTime + 16 ns (regs), in calc_reg_timing()
631 * CSOffTime = REOffTime + 1 ns in calc_reg_timing()
632 * ReadCycle = 2ns + 2*SYSCLK (regs), in calc_reg_timing()
633 * WriteCycle = 2*SYSCLK + 2 ns, in calc_reg_timing()
634 * CSPulseWidth = 10 ns */ in calc_reg_timing()
[all …]
/Linux-v5.10/drivers/media/i2c/cx25840/
Dcx25840-ir.c125 * (0xffff + 1) * 1000 / 108/2 MHz = 1,213,629.629... ns
139 static inline u16 ns_to_clock_divider(unsigned int ns) in ns_to_clock_divider() argument
142 DIV_ROUND_CLOSEST(CX25840_IR_REFCLK_FREQ / 1000000 * ns, 1000)); in ns_to_clock_divider()
147 /* Period of the Rx or Tx clock in ns */ in clock_divider_to_ns()
148 return DIV_ROUND_CLOSEST((divider + 1) * 1000, in clock_divider_to_ns()
181 * 0xffff * 1000 / 108/2 MHz = 1,213,611.11... ns
193 static inline u16 ns_to_lpf_count(unsigned int ns) in ns_to_lpf_count() argument
196 DIV_ROUND_CLOSEST(CX25840_IR_REFCLK_FREQ / 1000000 * ns, 1000)); in ns_to_lpf_count()
201 /* Duration of the Low Pass Filter rejection window in ns */ in lpf_count_to_ns()
202 return DIV_ROUND_CLOSEST(count * 1000, in lpf_count_to_ns()
[all …]
/Linux-v5.10/Documentation/m68k/
Dbuddha-driver.rst23 Rom-vector: $1000
97 $1000-$ffff Buddha-Rom with offset $1000 in the rom
124 A6=1 (for example $840 for port 0, register set 0), a 780ns
142 about 30ns to the clocks on the Zorro bus, that's why the
143 values are no multiple of 71. One clock-cycle is 71ns long
147 497ns Select (7 clock cycles) , IOR/IOW after 172ns (2 clock cycles)
152 639ns Select (9 clock cycles), IOR/IOW after 243ns (3 clock cycles)
155 781ns Select (11 clock cycles), IOR/IOW after 314ns (4 clock cycles)
158 355ns Select (5 clock cycles), IOR/IOW after 101ns (1 clock cycle)
161 355ns Select (5 clock cycles), IOR/IOW after 172ns (2 clock cycles)
[all …]
/Linux-v5.10/arch/mips/include/asm/
Ddelay.h17 extern void __ndelay(unsigned long ns);
20 #define ndelay(ns) __ndelay(ns) argument
24 #if HZ >= 1000
29 #define MAX_UDELAY_MS (1000 / HZ)
/Linux-v5.10/Documentation/devicetree/bindings/i2c/
Di2c-rk3x.yaml78 i2c-scl-rising-time-ns:
79 default: 1000
83 the maximum the specification allows(1000 ns for Standard-mode,
84 300 ns for Fast-mode) which might cause slightly slower communication.
86 i2c-scl-falling-time-ns:
91 be the maximum the specification allows (300 ns) which might cause
94 i2c-sda-falling-time-ns:
134 i2c-scl-falling-time-ns = <100>;
135 i2c-scl-rising-time-ns = <800>;
/Linux-v5.10/tools/testing/selftests/timers/
Draw_skew.c51 struct timespec nsec_to_ts(long long ns) in nsec_to_ts() argument
55 ts.tv_sec = ns/NSEC_PER_SEC; in nsec_to_ts()
56 ts.tv_nsec = ns%NSEC_PER_SEC; in nsec_to_ts()
129 printf("%lld.%i(est)", eppm/1000, abs((int)(eppm%1000))); in main()
132 ppm = (tx1.freq + tx2.freq) * 1000 / 2; in main()
133 ppm = (long long)tx1.freq * 1000; in main()
135 printf(" %lld.%i(act)", ppm/1000, abs((int)(ppm%1000))); in main()
137 if (llabs(eppm - ppm) > 1000) { in main()
/Linux-v5.10/drivers/nvme/target/
Dadmin-cmd.c77 struct nvmet_ns *ns; in nvmet_get_smart_log_nsid() local
80 ns = nvmet_find_namespace(req->sq->ctrl, req->cmd->get_log_page.nsid); in nvmet_get_smart_log_nsid()
81 if (!ns) { in nvmet_get_smart_log_nsid()
88 /* we don't have the right data for file backed ns */ in nvmet_get_smart_log_nsid()
89 if (!ns->bdev) in nvmet_get_smart_log_nsid()
92 host_reads = part_stat_read(ns->bdev->bd_part, ios[READ]); in nvmet_get_smart_log_nsid()
93 data_units_read = DIV_ROUND_UP(part_stat_read(ns->bdev->bd_part, in nvmet_get_smart_log_nsid()
94 sectors[READ]), 1000); in nvmet_get_smart_log_nsid()
95 host_writes = part_stat_read(ns->bdev->bd_part, ios[WRITE]); in nvmet_get_smart_log_nsid()
96 data_units_written = DIV_ROUND_UP(part_stat_read(ns->bdev->bd_part, in nvmet_get_smart_log_nsid()
[all …]
/Linux-v5.10/tools/testing/selftests/net/
Dpmtu.sh229 NS_A="ns-A"
230 NS_B="ns-B"
231 NS_C="ns-C"
232 NS_R1="ns-R1"
233 NS_R2="ns-R2"
252 # ns peer segment
262 # ns destination gateway
274 # ns family nh id destination gateway
286 # ns family prefix nh id
313 dummy6_0_prefix="fc00:1000::"
[all …]
Dudpgro.sh6 readonly PEER_NS="ns-peer-$(mktemp -u XXXXXX)"
10 local -r ns="$(ip netns list|grep $PEER_NS)"
13 [ -n "$ns" ] && ip netns del $ns 2>/dev/null
40 ip netns exec "${PEER_NS}" ./udpgso_bench_rx -C 1000 -R 10 ${rx_args} && \
84 ip netns exec "${PEER_NS}" ./udpgso_bench_rx -C 1000 -R 10 ${family} -b ${addr2%/*} ${rx_args} && \
102 ip netns exec "${PEER_NS}" ./udpgso_bench_rx -C 1000 -R 10 ${rx_args} -p 12345 &
Dvrf-xfrm-tests.sh20 XFRM1_6=fc00:1000::1
21 XFRM2_6=fc00:1000::2
88 local ns=$1
92 if [ -n "${ns}" ]; then
93 ns="-netns ${ns}"
96 ip ${ns} link add ${vrf} type vrf table ${table}
97 ip ${ns} link set ${vrf} up
98 ip ${ns} route add vrf ${vrf} unreachable default metric 8192
99 ip ${ns} -6 route add vrf ${vrf} unreachable default metric 8192
101 ip ${ns} addr add 127.0.0.1/8 dev ${vrf}
[all …]
/Linux-v5.10/drivers/ssb/
Ddriver_extif.c86 void ssb_extif_timing_init(struct ssb_extif *extif, unsigned long ns) in ssb_extif_timing_init() argument
94 tmp = DIV_ROUND_UP(10, ns) << SSB_PROG_WCNT_3_SHIFT; in ssb_extif_timing_init()
95 tmp |= DIV_ROUND_UP(40, ns) << SSB_PROG_WCNT_1_SHIFT; in ssb_extif_timing_init()
96 tmp |= DIV_ROUND_UP(120, ns); in ssb_extif_timing_init()
100 tmp = DIV_ROUND_UP(10, ns) << SSB_PROG_WCNT_3_SHIFT; in ssb_extif_timing_init()
101 tmp |= DIV_ROUND_UP(20, ns) << SSB_PROG_WCNT_2_SHIFT; in ssb_extif_timing_init()
102 tmp |= DIV_ROUND_UP(100, ns) << SSB_PROG_WCNT_1_SHIFT; in ssb_extif_timing_init()
103 tmp |= DIV_ROUND_UP(120, ns); in ssb_extif_timing_init()
125 u32 ticks = (SSB_EXTIF_WATCHDOG_CLK / 1000) * ms; in ssb_extif_watchdog_timer_set_ms()
129 return (ticks * 1000) / SSB_EXTIF_WATCHDOG_CLK; in ssb_extif_watchdog_timer_set_ms()
/Linux-v5.10/drivers/video/fbdev/riva/
Driva_hw.c253 long ns; in nv3_iterate() local
273 ns = 1000000 * ainfo->vburst_size/(state->memory_width/8)/state->mclk_khz; in nv3_iterate()
274 vfsize = ns * ainfo->vdrain_rate / 1000000; in nv3_iterate()
285 ns = 1000000 * (ainfo->gburst_size/(state->memory_width/8))/state->mclk_khz; in nv3_iterate()
286 gfsize = (ns * (long) ainfo->gdrain_rate)/1000000; in nv3_iterate()
340 … ns = 1000000 * (vmisses*state->mem_page_miss + state->mem_latency)/state->mclk_khz; in nv3_iterate()
341 vlwm = ns * ainfo->vdrain_rate/ 1000000; in nv3_iterate()
344 …ns = 1000000*(misses*state->mem_page_miss + ainfo->vburst_size)/(state->memory_width/8)/state->mcl… in nv3_iterate()
345 ainfo->vocc = ainfo->vocc + ainfo->vburst_size - ns*ainfo->vdrain_rate/1000000; in nv3_iterate()
346 ainfo->gocc = ainfo->gocc - ns*ainfo->gdrain_rate/1000000; in nv3_iterate()
[all …]
/Linux-v5.10/drivers/media/pci/cx23885/
Dcx23888-ir.c164 * (0xffff + 1) * 1000 / 108/2 MHz = 1,213,629.629... ns
200 * 0xffff * 1000 / 108/2 MHz = 1,213,611.11... ns
212 static inline u16 ns_to_lpf_count(unsigned int ns) in ns_to_lpf_count() argument
215 DIV_ROUND_CLOSEST(CX23888_IR_REFCLK_FREQ / 1000000 * ns, 1000)); in ns_to_lpf_count()
220 /* Duration of the Low Pass Filter rejection window in ns */ in lpf_count_to_ns()
221 return DIV_ROUND_CLOSEST(count * 1000, in lpf_count_to_ns()
239 * not readable, hence the << 2. This function returns ns. in clock_divider_to_resolution()
241 return DIV_ROUND_CLOSEST((1 << 2) * ((u32) divider + 1) * 1000, in clock_divider_to_resolution()
254 n = (((u64) count << 2) | 0x3) * (divider + 1) * 1000; /* millicycles */ in pulse_width_count_to_ns()
255 rem = do_div(n, CX23888_IR_REFCLK_FREQ / 1000000); /* / MHz => ns */ in pulse_width_count_to_ns()
[all …]
/Linux-v5.10/arch/sparc/vdso/
Dvclock_gettime.c150 u64 ns; in do_realtime() local
155 ns = vvar->wall_time_snsec; in do_realtime()
156 ns += vgetsns(vvar); in do_realtime()
157 ns >>= vvar->clock.shift; in do_realtime()
160 ts->tv_sec += __iter_div_u64_rem(ns, NSEC_PER_SEC, &ns); in do_realtime()
161 ts->tv_nsec = ns; in do_realtime()
170 u64 ns; in do_realtime_stick() local
175 ns = vvar->wall_time_snsec; in do_realtime_stick()
176 ns += vgetsns_stick(vvar); in do_realtime_stick()
177 ns >>= vvar->clock.shift; in do_realtime_stick()
[all …]
/Linux-v5.10/drivers/net/ethernet/mscc/
Docelot_ptp.c17 s64 ns; in ocelot_ptp_gettime64() local
29 ns = ocelot_read_rix(ocelot, PTP_PIN_TOD_NSEC, TOD_ACC_PIN); in ocelot_ptp_gettime64()
34 if (ns >= 0x3ffffff0 && ns <= 0x3fffffff) { in ocelot_ptp_gettime64()
36 ns &= 0xf; in ocelot_ptp_gettime64()
37 ns += 999999984; in ocelot_ptp_gettime64()
40 set_normalized_timespec64(ts, s, ns); in ocelot_ptp_gettime64()
141 do_div(adj, 1000); in ocelot_ptp_adjfine()
143 /* If the adjustment value is too large, use ns instead */ in ocelot_ptp_adjfine()
146 do_div(adj, 1000); in ocelot_ptp_adjfine()
257 wf_high = 1000; in ocelot_ptp_enable()
/Linux-v5.10/drivers/i2c/busses/
Di2c-mxs.c306 unsigned long timeout = jiffies + msecs_to_jiffies(1000); in mxs_i2c_pio_wait_xfer_end()
597 msecs_to_jiffies(1000)); in mxs_i2c_xfer_msg()
710 speed / 1000, speed % 1000, in mxs_i2c_derive_timing()
711 clk / divider / 1000, clk / divider % 1000); in mxs_i2c_derive_timing()
720 speed / 1000, speed % 1000, in mxs_i2c_derive_timing()
721 clk / divider / 1000, clk / divider % 1000); in mxs_i2c_derive_timing()
727 * tLOW (SCL LOW period) 4700 ns 1300 ns in mxs_i2c_derive_timing()
728 * tHIGH (SCL HIGH period) 4000 ns 600 ns in mxs_i2c_derive_timing()
729 * tSU;DAT (data setup time) 250 ns 100 ns in mxs_i2c_derive_timing()
730 * tHD;STA (START hold time) 4000 ns 600 ns in mxs_i2c_derive_timing()
[all …]
Di2c-jz4780.c249 int dev_clk_khz = clk_get_rate(i2c->clk) / 1000; in jz4780_i2c_set_speed()
263 * standard mode, min LOW and HIGH period are 4700 ns and 4000 ns in jz4780_i2c_set_speed()
264 * fast mode, min LOW and HIGH period are 1300 ns and 600 ns in jz4780_i2c_set_speed()
303 * a i2c device must internally provide a hold time at least 300ns in jz4780_i2c_set_speed()
305 * Standard Mode: min=300ns, max=3450ns in jz4780_i2c_set_speed()
306 * Fast Mode: min=0ns, max=900ns in jz4780_i2c_set_speed()
308 * Standard Mode: min=250ns, max=infinite in jz4780_i2c_set_speed()
309 * Fast Mode: min=100(250ns is recommended), max=infinite in jz4780_i2c_set_speed()
312 * on FPGA, dev_clk_khz = 12000, so 1i2c_clk = 1000/12 = 83ns in jz4780_i2c_set_speed()
313 * on Pisces(1008M), dev_clk_khz=126000, so 1i2c_clk = 1000 / 126 = 8ns in jz4780_i2c_set_speed()
[all …]
/Linux-v5.10/drivers/net/ethernet/mellanox/mlx4/
Den_clock.c172 * Read the timecounter and return the correct value in ns after converting
181 u64 ns; in mlx4_en_phc_gettime() local
184 ns = timecounter_read(&mdev->clock); in mlx4_en_phc_gettime()
187 *ts = ns_to_timespec64(ns); in mlx4_en_phc_gettime()
205 u64 ns = timespec64_to_ns(ts); in mlx4_en_phc_settime() local
210 timecounter_init(&mdev->clock, &mdev->cycles, ns); in mlx4_en_phc_settime()
253 u32 freq_khz = freq * 1000; in freq_to_shift()
254 u64 max_val_cycles = freq_khz * 1000 * MLX4_EN_WRAP_AROUND_SEC; in freq_to_shift()
282 clocksource_khz2mult(1000 * dev->caps.hca_core_clock, mdev->cycles.shift); in mlx4_en_init_timestamp()
/Linux-v5.10/kernel/time/
Dsched_clock.c4 * counters to full 64-bit ns values.
130 u64 ns; in update_sched_clock() local
136 ns = rd.epoch_ns + cyc_to_ns((cyc - rd.epoch_cyc) & rd.sched_clock_mask, rd.mult, rd.shift); in update_sched_clock()
138 rd.epoch_ns = ns; in update_sched_clock()
155 u64 res, wrap, new_mask, new_epoch, cyc, ns; in sched_clock_register() local
167 /* Calculate the mult/shift to convert counter ticks to ns. */ in sched_clock_register()
182 ns = rd.epoch_ns + cyc_to_ns((cyc - rd.epoch_cyc) & rd.sched_clock_mask, rd.mult, rd.shift); in sched_clock_register()
190 rd.epoch_ns = ns; in sched_clock_register()
205 if (r >= 1000) { in sched_clock_register()
206 r /= 1000; in sched_clock_register()
[all …]
/Linux-v5.10/arch/powerpc/kernel/
Dsysfs.c237 static unsigned int get_idle_ticks_bit(u64 ns) in get_idle_ticks_bit() argument
241 if (ns >= 10000) in get_idle_ticks_bit()
242 cycle = div_u64(ns + 500, 1000) * tb_ticks_per_usec; in get_idle_ticks_bit()
244 cycle = div_u64(ns * tb_ticks_per_usec, 1000); in get_idle_ticks_bit()
320 /* convert ms to ns */ in show_pw20_wait_time()
321 if (tb_ticks_per_usec > 1000) { in show_pw20_wait_time()
322 time = div_u64(tb_cycle, tb_ticks_per_usec / 1000); in show_pw20_wait_time()
328 time = time * 1000 + rem_us * 1000 / tb_ticks_per_usec; in show_pw20_wait_time()
442 /* convert ms to ns */ in show_altivec_idle_wait_time()
443 if (tb_ticks_per_usec > 1000) { in show_altivec_idle_wait_time()
[all …]
/Linux-v5.10/arch/nds32/kernel/vdso/
Dgettimeofday.c85 u64 ns; in do_monotonic_coarse() local
91 ns = vdata->xtime_coarse_nsec + vdata->wtm_clock_nsec; in do_monotonic_coarse()
95 ts->tv_sec += __iter_div_u64_rem(ns, NSEC_PER_SEC, &ns); in do_monotonic_coarse()
96 ts->tv_nsec = ns; in do_monotonic_coarse()
119 u64 ns; in do_realtime() local
123 ns = vdata->xtime_clock_nsec; in do_realtime()
124 ns += vgetsns(vdata); in do_realtime()
125 ns >>= vdata->cs_shift; in do_realtime()
128 ts->tv_sec += __iter_div_u64_rem(ns, NSEC_PER_SEC, &ns); in do_realtime()
129 ts->tv_nsec = ns; in do_realtime()
[all …]

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