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Searched refs:mantissa (Results 1 – 25 of 39) sorted by relevance

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/Linux-v5.4/drivers/gpu/drm/amd/display/dc/calcs/
Dcustom_float.c33 uint32_t *mantissa, in build_custom_float() argument
49 *mantissa = 0; in build_custom_float()
78 *mantissa = 0; in build_custom_float()
117 *mantissa = dc_fixpt_floor(mantiss); in build_custom_float()
125 uint32_t mantissa, in setup_custom_float() argument
144 if (mantissa & ~mantissa_mask) { in setup_custom_float()
146 mantissa = mantissa_mask; in setup_custom_float()
159 if (mantissa & mask) in setup_custom_float()
187 uint32_t mantissa; in convert_to_custom_float_format() local
192 value, format, &negative, &mantissa, &exponenta) && in convert_to_custom_float_format()
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/Linux-v5.4/drivers/iio/light/
Dmax44009.c174 int mantissa; in max44009_lux_raw() local
181 mantissa = ((hi & 0xf) << 4) | (lo & 0xf); in max44009_lux_raw()
191 return exponent * mantissa; in max44009_lux_raw()
301 int mantissa, exp; in max44009_threshold_byte_from_fraction() local
309 mantissa = integral * MAX44009_SCALE_DENOMINATOR; in max44009_threshold_byte_from_fraction()
310 mantissa /= MAX44009_SCALE_NUMERATOR; in max44009_threshold_byte_from_fraction()
313 mantissa += fractional / MAX44009_FRACT_MULT * in max44009_threshold_byte_from_fraction()
316 for (exp = 0; mantissa > 0xff; exp++) in max44009_threshold_byte_from_fraction()
317 mantissa >>= 1; in max44009_threshold_byte_from_fraction()
319 mantissa >>= 4; in max44009_threshold_byte_from_fraction()
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Dopt3001.c170 u16 mantissa, int *val, int *val2) in opt3001_to_iio_ret() argument
174 lux = 10 * (mantissa << exponent); in opt3001_to_iio_ret()
226 u16 mantissa; in opt3001_get_lux() local
339 mantissa = OPT3001_REG_MANTISSA(opt->result); in opt3001_get_lux()
341 opt3001_to_iio_ret(opt, exponent, mantissa, val, val2); in opt3001_get_lux()
478 u16 mantissa; in opt3001_write_event_value() local
495 mantissa = (((val * 1000) + (val2 / 1000)) / 10) >> exponent; in opt3001_write_event_value()
496 value = (exponent << 12) | mantissa; in opt3001_write_event_value()
501 opt->high_thresh_mantissa = mantissa; in opt3001_write_event_value()
506 opt->low_thresh_mantissa = mantissa; in opt3001_write_event_value()
/Linux-v5.4/drivers/hwmon/pmbus/
Dzl6100.c56 s32 mantissa; in zl6100_l2d() local
60 mantissa = ((s16)((l & 0x7ff) << 5)) >> 5; in zl6100_l2d()
62 val = mantissa; in zl6100_l2d()
80 s16 exponent = 0, mantissa; in zl6100_d2l() local
104 mantissa = DIV_ROUND_CLOSEST(val, 1000); in zl6100_d2l()
107 if (mantissa > 0x3ff) in zl6100_d2l()
108 mantissa = 0x3ff; in zl6100_d2l()
112 mantissa = -mantissa; in zl6100_d2l()
115 return (mantissa & 0x7ff) | ((exponent << 11) & 0xf800); in zl6100_d2l()
Dpmbus_core.c616 s32 mantissa; in pmbus_reg2data_linear() local
621 mantissa = (u16) sensor->data; in pmbus_reg2data_linear()
624 mantissa = ((s16)((sensor->data & 0x7ff) << 5)) >> 5; in pmbus_reg2data_linear()
627 val = mantissa; in pmbus_reg2data_linear()
744 s16 exponent = 0, mantissa; in pmbus_data2reg_linear() local
796 mantissa = DIV_ROUND_CLOSEST(val, 1000); in pmbus_data2reg_linear()
799 if (mantissa > 0x3ff) in pmbus_data2reg_linear()
800 mantissa = 0x3ff; in pmbus_data2reg_linear()
804 mantissa = -mantissa; in pmbus_data2reg_linear()
807 return (mantissa & 0x7ff) | ((exponent << 11) & 0xf800); in pmbus_data2reg_linear()
/Linux-v5.4/arch/m68k/fpsp040/
Dsgetem.S10 | The entry point sGETMAN extracts the mantissa of the
11 | input argument. The mantissa is converted to an
73 | For normalized numbers, leave the mantissa alone, simply load
89 | For denormalized numbers, shift the mantissa until the j-bit = 1,
96 bsr shft |shift mantissa bits till msbit is set
104 | Shifts the mantissa bits until msbit is set.
106 | ms mantissa part in d0
107 | ls mantissa part in d1
Dfpsp.h132 .set WBTEMP_HI,WBTEMP+4 | wbtemp mantissa [63:32] (4 bytes)
133 .set WBTEMP_LO,WBTEMP+8 | wbtemp mantissa [31:00] (4 bytes)
165 .set wbtemp66_bit,2 | wbtemp mantissa bit #66
166 .set wbtemp1_bit,1 | wbtemp mantissa bit #1
167 .set wbtemp0_bit,0 | wbtemp mantissa bit #0
201 .set FPTEMP_HI,FPTEMP+4 | fptemp mantissa [63:32] (4 bytes)
202 .set FPTEMP_LO,FPTEMP+8 | fptemp mantissa [31:00] (4 bytes)
208 .set ETEMP_HI,ETEMP+4 | etemp mantissa [63:32] (4 bytes)
209 .set ETEMP_LO,ETEMP+8 | etemp mantissa [31:00] (4 bytes)
302 .set signan_bit,6 | signalling nan bit in mantissa
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Dx_store.S140 beqs get_mant |if positive, go process mantissa
143 bras get_mant |go process mantissa
154 movel LOCAL_HI(%a1),%d1 |get ms mantissa
158 movel LOCAL_HI(%a1),%d1 |get ms mantissa
162 movel LOCAL_LO(%a1),%d1 |get ls mantissa
Dround.S154 tstl LOCAL_LO(%a0) |test lower mantissa
163 movel LOCAL_LO(%a0),%d2 |get lower mantissa for s-bit test
195 bccs scc_clr |no mantissa overflow
272 | is done by shifting the mantissa left while decrementing the
276 | bit of the mantissa (msb in d1).
279 | bit of the mantissa (msb in d1) unless this would mean the exponent
281 | exponent (d0) is set to 0 and the mantissa (d1 & d2) is not
289 | Distance to first 1 bit in mantissa = X
295 | shift mantissa by Y
299 | FP_SCR1 = exponent, ms mantissa part, ls mantissa part
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Ddecbin.S26 | for the mantissa which is to be interpreted as 17 integer
30 | A2. Convert the bcd mantissa to binary by successive
32 | The mantissa digits will be converted with the decimal point
41 | mantissa the equivalent of forcing in the bcd value:
56 | A5. Form the final binary number by scaling the mantissa by
58 | mantissa in FP0 by the factor in FP1 if the adjusted
478 | (*) fp0: mantissa accumulator
Dx_snan.S14 | of the mantissa are sent to the integer unit).
161 | Get the 32 most significant bits of etemp mantissa
183 | Get the 16 most significant bits of etemp mantissa
205 | Get the 8 most significant bits of etemp mantissa
Dget_op.S503 tstl ETEMP_HI(%a6) |check ms mantissa
505 tstl ETEMP_LO(%a6) |check ls mantissa
555 tstl ETEMP_HI(%a6) |check ms mantissa
557 tstl ETEMP_LO(%a6) |check ls mantissa
Dbindec.S68 | The mantissa is scaled to the desired number of
90 | the mantissa by 10.
92 | A14. Convert the mantissa to bcd.
94 | mantissa to bcd in memory. The input to binstr is
95 | to be a fraction; i.e. (mantissa)/10^LEN and adjusted
114 | d2: upper 32-bits of mantissa for binstr
115 | d3: scratch;lower 32-bits of mantissa for binstr
611 | the mantissa by 10. The calculation of 10^LEN cannot
Dscale.S164 | mantissa right until a zero exponent exists.
177 roxrl #1,%d2 |mantissa to the right
182 blts fix_loop |d0 is zero or the mantissa
/Linux-v5.4/sound/isa/gus/
Dgus_volume.c150 unsigned int mantissa, f1, f2;
164 mantissa = sensitivity % 8192;
171 bend = (int) ((((f2 - f1) * mantissa) >> 13) + f1);
/Linux-v5.4/drivers/usb/serial/
Dpl2303.c463 unsigned int baseline, mantissa, exponent; in pl2303_encode_baud_rate_divisor() local
473 mantissa = baseline / baud; in pl2303_encode_baud_rate_divisor()
474 if (mantissa == 0) in pl2303_encode_baud_rate_divisor()
475 mantissa = 1; /* Avoid dividing by zero if baud > 32*12M. */ in pl2303_encode_baud_rate_divisor()
477 while (mantissa >= 512) { in pl2303_encode_baud_rate_divisor()
479 mantissa >>= 2; /* divide by 4 */ in pl2303_encode_baud_rate_divisor()
483 mantissa = 511; in pl2303_encode_baud_rate_divisor()
490 buf[1] = exponent << 1 | mantissa >> 8; in pl2303_encode_baud_rate_divisor()
491 buf[0] = mantissa & 0xff; in pl2303_encode_baud_rate_divisor()
494 baud = (baseline / mantissa) >> (exponent << 1); in pl2303_encode_baud_rate_divisor()
/Linux-v5.4/drivers/net/wireless/mediatek/mt76/mt76x0/
Dphy.c667 u32 mantissa = val << 4; in mt76x0_phy_lin2db() local
671 while (mantissa < BIT(15)) { in mt76x0_phy_lin2db()
672 mantissa <<= 1; in mt76x0_phy_lin2db()
676 while (mantissa > 0xffff) { in mt76x0_phy_lin2db()
677 mantissa >>= 1; in mt76x0_phy_lin2db()
683 if (mantissa <= 47104) in mt76x0_phy_lin2db()
684 data = mantissa + (mantissa >> 3) + (mantissa >> 4) - 38400; in mt76x0_phy_lin2db()
686 data = mantissa - (mantissa >> 3) - (mantissa >> 6) - 23040; in mt76x0_phy_lin2db()
/Linux-v5.4/drivers/iio/chemical/
Dsps30.c163 int mantissa = val & GENMASK(22, 0); in sps30_float_to_int_clamped() local
169 if (!exp && !mantissa) in sps30_float_to_int_clamped()
175 return ((((1 << 23) + mantissa) * 100) >> 23) >> (-exp); in sps30_float_to_int_clamped()
180 val = (1 << exp) + (mantissa >> shift); in sps30_float_to_int_clamped()
184 fraction = mantissa & GENMASK(shift - 1, 0); in sps30_float_to_int_clamped()
/Linux-v5.4/arch/m68k/math-emu/
Dfp_util.S108 move.l %d0,(%a0)+ | set mantissa
131 lsl.l #8,%d0 | shift mantissa
168 lsl.l #8,%d0 | shift high mantissa
/Linux-v5.4/drivers/isdn/mISDN/
Ddsp_audio.c124 int sign, exponent, mantissa; in linear2ulaw() local
135 mantissa = (sample >> (exponent + 3)) & 0x0F; in linear2ulaw()
136 ulawbyte = ~(sign | (exponent << 4) | mantissa); in linear2ulaw()
/Linux-v5.4/drivers/md/bcache/
Dutil.h578 unsigned int mantissa = 1 << fract_bits; /* Implicit bit */ in fract_exp_two() local
580 mantissa += x & (mantissa - 1); in fract_exp_two()
583 return mantissa << x >> fract_bits; in fract_exp_two()
Dbset.c245 unsigned int mantissa:BKEY_MANTISSA_BITS; member
633 f->mantissa = bfloat_mantissa(m, f) - 1; in make_bfloat()
979 if (f->mantissa >= bfloat_mantissa(search, f)) in bset_search_tree()
/Linux-v5.4/drivers/iio/proximity/
Disl29501.c444 int mantissa; in isl29501_write_ext() local
450 mantissa = corr >> max_exp; in isl29501_write_ext()
452 ret = isl29501_write_coeff(isl29501, i, mantissa); in isl29501_write_ext()
/Linux-v5.4/arch/powerpc/perf/
Disa207-common.c232 u64 mantissa = MMCRA_THR_CTR_MANT(mmcra); in isa207_get_mem_weight() local
239 *weight = mantissa << (2 * exp); in isa207_get_mem_weight()
/Linux-v5.4/drivers/gpu/drm/amd/display/dc/inc/hw/
Dopp.h136 uint32_t mantissa; member

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