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/OK3568_Linux_fs/kernel/drivers/gpu/drm/i915/gt/
H A 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()
/OK3568_Linux_fs/kernel/drivers/memory/
H A 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 …]
/OK3568_Linux_fs/kernel/arch/arm/boot/dts/
H A 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 …]
H A 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 …]
/OK3568_Linux_fs/kernel/drivers/video/fbdev/omap/
H A 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 …]
/OK3568_Linux_fs/kernel/arch/arm64/boot/dts/rockchip/
H A Drk3399-opp.dtsi38 rockchip,pvtm-sample-time = <1000>;
40 rockchip,pvtm-error = <1000>;
52 clock-latency-ns = <40000>;
61 clock-latency-ns = <40000>;
70 clock-latency-ns = <40000>;
80 clock-latency-ns = <40000>;
89 clock-latency-ns = <40000>;
98 clock-latency-ns = <40000>;
132 rockchip,pvtm-sample-time = <1000>;
134 rockchip,pvtm-error = <1000>;
[all …]
/OK3568_Linux_fs/kernel/drivers/media/i2c/cx25840/
H A 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 …]
/OK3568_Linux_fs/kernel/drivers/video/fbdev/riva/
H A 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 …]
/OK3568_Linux_fs/kernel/tools/testing/selftests/timers/
H A 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()
/OK3568_Linux_fs/kernel/Documentation/m68k/
H A 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 …]
/OK3568_Linux_fs/kernel/tools/testing/selftests/net/
H A Dpmtu.sh239 NS_A="ns-A"
240 NS_B="ns-B"
241 NS_C="ns-C"
242 NS_R1="ns-R1"
243 NS_R2="ns-R2"
262 # ns peer segment
272 # ns destination gateway
284 # ns family nh id destination gateway
296 # ns family prefix nh id
323 dummy6_0_prefix="fc00:1000::"
[all …]
/OK3568_Linux_fs/u-boot/drivers/ddr/fsl/
H A Dddr1_dimm_params.c54 * (That is, cycle times of .25, .33, .66 and .75 ns are
82 unsigned int ps = whole_ns * 1000 + tenths_ps[tenth_ns]; in convert_bcd_tenths_to_cycle_time_ps()
111 return ((trctrfc_ext & 0x1) * 256 + trfc) * 1000 in compute_trfc_ps_from_spd()
118 return trc * 1000 + byte40_table_ps[(trctrfc_ext >> 4) & 0x7]; in compute_trc_ps_from_spd()
124 * Bits 7:2 == whole ns
125 * Bits 1:0 == quarter ns
126 * 00 == 0.00 ns
127 * 01 == 0.25 ns
128 * 10 == 0.50 ns
129 * 11 == 0.75 ns
[all …]
/OK3568_Linux_fs/kernel/drivers/media/pci/cx23885/
H A 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 …]
/OK3568_Linux_fs/kernel/drivers/nvme/target/
H A 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 …]
/OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/i2c/
H A 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>;
/OK3568_Linux_fs/kernel/arch/mips/include/asm/
H A 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)
/OK3568_Linux_fs/kernel/drivers/i2c/busses/
H A 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 …]
/OK3568_Linux_fs/u-boot/board/xes/xpedite537x/
H A Dddr.c47 * Minimum chip delay (Ch 0): 1.372ns
48 * Maximum chip delay (Ch 0): 2.914ns
49 * Minimum chip delay (Ch 1): 1.220ns
50 * Maximum chip delay (Ch 1): 2.595ns
52 * CLK adjust = 5 (from simulations) = 5/8* 3.33ns = 2080ps
58 * = 3.808ns
64 * = 6.240ns
70 * = 3.288ns
76 * = 5.536ns
78 * Ch.0: 3.808ns to 6.240ns additional delay needed (pick 5ns as target)
[all …]
/OK3568_Linux_fs/kernel/drivers/ssb/
H A 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()
/OK3568_Linux_fs/u-boot/arch/arm/mach-socfpga/
H A Dfreeze_controller.c54 * Note: Delay for 20ns at min in sys_mgr_frzctrl_freeze_req()
135 * Note: Delay for 20ns at min in sys_mgr_frzctrl_thaw_req()
144 * Note: Delay for 20ns at min in sys_mgr_frzctrl_thaw_req()
160 * Note: Delay for 40ns at min in sys_mgr_frzctrl_thaw_req()
166 /* Delay 1000 intosc cycles. The intosc is based on eosc1. */ in sys_mgr_frzctrl_thaw_req()
167 eosc1_freq = cm_get_osc_clk_hz(1) / 1000; /* kHz */ in sys_mgr_frzctrl_thaw_req()
184 * is 1/50MHz * 33 = 660ns ~= 1us in sys_mgr_frzctrl_thaw_req()
196 * Note: Delay for 40ns at min in sys_mgr_frzctrl_thaw_req()
203 * Note: Delay for 40ns at min in sys_mgr_frzctrl_thaw_req()
/OK3568_Linux_fs/external/security/rk_tee_user/v2/host/xtest/
H A Dsha_perf.c204 uint64_t ns = 0; in timespec_diff_ns() local
207 ns += 1000000000 * (end->tv_sec - start->tv_sec - 1); in timespec_diff_ns()
208 ns += 1000000000 - start->tv_nsec + end->tv_nsec; in timespec_diff_ns()
210 ns += 1000000000 * (end->tv_sec - start->tv_sec); in timespec_diff_ns()
211 ns += end->tv_nsec - start->tv_nsec; in timespec_diff_ns()
213 return ns; in timespec_diff_ns()
302 vverbose("Clock resolution is %jd ns\n", in sha_perf_run_test()
344 stats.min / 1000, stats.max / 1000, stats.m / 1000, in sha_perf_run_test()
345 sd / 1000, 100 * sd / stats.m, mb_per_sec(size, stats.m)); in sha_perf_run_test()
347 (stats.m - 2 * sd) / 1000, (stats.m + 2 * sd) / 1000, in sha_perf_run_test()
/OK3568_Linux_fs/kernel/arch/powerpc/kernel/
H A 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 …]
/OK3568_Linux_fs/kernel/drivers/net/ethernet/mscc/
H A 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()
/OK3568_Linux_fs/kernel/arch/sparc/vdso/
H A 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 …]
/OK3568_Linux_fs/kernel/drivers/net/ethernet/mellanox/mlx4/
H A 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()

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