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Searched refs:mantissa (Results 1 – 25 of 52) sorted by relevance

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/linux/drivers/gpu/drm/amd/display/dc/calcs/
A 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/drivers/iio/light/
A Dmax44009.c174 int mantissa; in max44009_lux_raw() local
191 return exponent * mantissa; in max44009_lux_raw()
301 int mantissa, exp; in max44009_threshold_byte_from_fraction() local
310 mantissa /= MAX44009_SCALE_NUMERATOR; 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()
320 mantissa &= 0xf; in max44009_threshold_byte_from_fraction()
323 return exp | mantissa; in max44009_threshold_byte_from_fraction()
367 int mantissa, exponent; in max44009_read_threshold() local
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A Dopt3001.c171 u16 mantissa, int *val, int *val2) in opt3001_to_iio_ret() argument
175 lux = 10 * (mantissa << exponent); in opt3001_to_iio_ret()
227 u16 mantissa; in opt3001_get_lux() local
340 mantissa = OPT3001_REG_MANTISSA(opt->result); in opt3001_get_lux()
342 opt3001_to_iio_ret(opt, exponent, mantissa, val, val2); in opt3001_get_lux()
479 u16 mantissa; in opt3001_write_event_value() local
496 mantissa = (((val * 1000) + (val2 / 1000)) / 10) >> exponent; in opt3001_write_event_value()
497 value = (exponent << 12) | mantissa; in opt3001_write_event_value()
502 opt->high_thresh_mantissa = mantissa; in opt3001_write_event_value()
507 opt->low_thresh_mantissa = mantissa; in opt3001_write_event_value()
/linux/drivers/hwmon/pmbus/
A Dzl6100.c63 s32 mantissa; in zl6100_l2d() local
67 mantissa = ((s16)((l & 0x7ff) << 5)) >> 5; in zl6100_l2d()
69 val = mantissa; in zl6100_l2d()
87 s16 exponent = 0, mantissa; in zl6100_d2l() local
111 mantissa = DIV_ROUND_CLOSEST(val, 1000); in zl6100_d2l()
114 if (mantissa > 0x3ff) in zl6100_d2l()
115 mantissa = 0x3ff; in zl6100_d2l()
119 mantissa = -mantissa; in zl6100_d2l()
122 return (mantissa & 0x7ff) | ((exponent << 11) & 0xf800); in zl6100_d2l()
A Dbpa-rs600.c49 int ret, exponent, mantissa; in bpa_rs600_read_vin() local
57 mantissa = ret & 0x7ff; in bpa_rs600_read_vin()
60 mantissa >>= 1; in bpa_rs600_read_vin()
62 ret = (exponent << 11) | mantissa; in bpa_rs600_read_vin()
A Dxdpe12284.c27 s32 mantissa; in xdpe122_read_word_data() local
39 mantissa = ((s16)((ret & GENMASK(10, 0)) << 5)) >> 5; in xdpe122_read_word_data()
40 val = mantissa * 1000L; in xdpe122_read_word_data()
/linux/arch/m68k/fpsp040/
A 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
A 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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A 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).
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
476 movel #0,LOCAL_HI(%a0) |set d1 = 0 (ms mantissa)
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A 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
A 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
A 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
A 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
A 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
A 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/drivers/usb/serial/
A Dpl2303.c611 mantissa = baseline / baud; in pl2303_encode_baud_rate_divisor()
612 if (mantissa == 0) in pl2303_encode_baud_rate_divisor()
615 while (mantissa >= 512) { in pl2303_encode_baud_rate_divisor()
617 mantissa >>= 2; /* divide by 4 */ in pl2303_encode_baud_rate_divisor()
621 mantissa = 511; in pl2303_encode_baud_rate_divisor()
629 buf[0] = mantissa & 0xff; in pl2303_encode_baud_rate_divisor()
650 mantissa = baseline / baud; in pl2303_encode_baud_rate_divisor_alt()
651 if (mantissa == 0) in pl2303_encode_baud_rate_divisor_alt()
654 while (mantissa >= 2048) { in pl2303_encode_baud_rate_divisor_alt()
660 mantissa = 2047; in pl2303_encode_baud_rate_divisor_alt()
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/linux/drivers/iio/chemical/
A Dsps30.c42 int mantissa = val & GENMASK(22, 0); in sps30_float_to_int_clamped() local
48 if (!exp && !mantissa) in sps30_float_to_int_clamped()
54 return ((((1 << 23) + mantissa) * 100) >> 23) >> (-exp); in sps30_float_to_int_clamped()
59 val = (1 << exp) + (mantissa >> shift); in sps30_float_to_int_clamped()
63 fraction = mantissa & GENMASK(shift - 1, 0); in sps30_float_to_int_clamped()
A Dscd30_core.c92 mantissa = float32 & GENMASK(22, 0), in scd30_float_to_fp() local
97 if (!exp && !mantissa) in scd30_float_to_fp()
104 return sign * ((((BIT(23) + mantissa) * 100) >> 23) >> exp); in scd30_float_to_fp()
109 float32 = BIT(exp) + (mantissa >> shift); in scd30_float_to_fp()
110 fraction = mantissa & GENMASK(shift - 1, 0); in scd30_float_to_fp()
/linux/sound/isa/gus/
A Dgus_volume.c151 unsigned int mantissa, f1, f2;
165 mantissa = sensitivity % 8192;
172 bend = (int) ((((f2 - f1) * mantissa) >> 13) + f1);
/linux/drivers/net/wireless/mediatek/mt76/mt76x0/
A 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/drivers/clk/ti/
A Ddpll3xxx.c305 u32 v, ctrl, mod_freq_divider, exponent, mantissa; in omap3_noncore_dpll_ssc_program() local
326 mantissa = mod_freq_divider; in omap3_noncore_dpll_ssc_program()
327 while ((mantissa > 127) && (exponent < 7)) { in omap3_noncore_dpll_ssc_program()
329 mantissa /= 2; in omap3_noncore_dpll_ssc_program()
331 if (mantissa > 127) in omap3_noncore_dpll_ssc_program()
332 mantissa = 127; in omap3_noncore_dpll_ssc_program()
336 v |= mantissa << __ffs(dd->ssc_modfreq_mant_mask); in omap3_noncore_dpll_ssc_program()
/linux/arch/m68k/math-emu/
A 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/drivers/isdn/mISDN/
A 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/drivers/net/ethernet/marvell/octeontx2/nic/
A Dotx2_tc.c104 u32 *mantissa, u32 *div_exp) in otx2_get_egress_rate_cfg() argument
125 *mantissa = tmp * 2; in otx2_get_egress_rate_cfg()
127 *mantissa = tmp / (1ULL << (*exp - 7)); in otx2_get_egress_rate_cfg()
131 *mantissa = MAX_RATE_MANTISSA; in otx2_get_egress_rate_cfg()
140 u32 exp, mantissa, div_exp; in otx2_set_matchall_egress_rate() local
148 otx2_get_egress_rate_cfg(maxrate, &exp, &mantissa, &div_exp); in otx2_set_matchall_egress_rate()
164 FIELD_PREP(TLX_RATE_MANTISSA, mantissa) | BIT_ULL(0); in otx2_set_matchall_egress_rate()
/linux/drivers/md/bcache/
A Dutil.h551 unsigned int mantissa = 1 << fract_bits; /* Implicit bit */ in fract_exp_two() local
553 mantissa += x & (mantissa - 1); in fract_exp_two()
556 return mantissa << x >> fract_bits; in fract_exp_two()

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