/linux/drivers/gpu/drm/amd/display/dc/basics/ |
H A D | custom_float.c | 32 uint32_t *mantissa, in build_custom_float() argument 45 *mantissa = 0; in build_custom_float() 68 *mantissa = 0; in build_custom_float() 95 *mantissa = dc_fixpt_floor(mantiss); in build_custom_float() 102 uint32_t mantissa, in setup_custom_float() argument 120 if (mantissa & ~mantissa_mask) { in setup_custom_float() 122 mantissa = mantissa_mask; in setup_custom_float() 135 if (mantissa & mask) in setup_custom_float() 162 uint32_t mantissa; in convert_to_custom_float_format() local 166 return build_custom_float(value, format, &negative, &mantissa, &exponenta) && in convert_to_custom_float_format() [all …]
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/linux/drivers/iio/light/ |
H A D | max44009.c | 174 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() [all …]
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H A D | opt3001.c | 171 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()
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H A D | opt4001.c | 148 static u8 opt4001_calculate_crc(u8 exp, u32 mantissa, u8 count) in opt4001_calculate_crc() argument 152 crc = (hweight32(mantissa) + hweight32(exp) + hweight32(count)) % 2; in opt4001_calculate_crc() 153 crc |= ((hweight32(mantissa & 0xAAAAA) + hweight32(exp & 0xA) in opt4001_calculate_crc() 155 crc |= ((hweight32(mantissa & 0x88888) + hweight32(exp & 0x8) in opt4001_calculate_crc() 157 crc |= (hweight32(mantissa & 0x80808) % 2) << 3; in opt4001_calculate_crc()
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/linux/drivers/hwmon/pmbus/ |
H A D | mp2993.c | 39 s16 exponent, mantissa, target_exponent; in mp2993_linear11_exponent_transfer() local 42 mantissa = ((s16)((word & 0x7ff) << 5)) >> 5; in mp2993_linear11_exponent_transfer() 46 mantissa = mantissa << (exponent - target_exponent); in mp2993_linear11_exponent_transfer() 48 mantissa = mantissa >> (target_exponent - exponent); in mp2993_linear11_exponent_transfer() 50 return (mantissa & 0x7ff) | ((expect_exponent << 11) & 0xf800); in mp2993_linear11_exponent_transfer()
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H A D | bpa-rs600.c | 49 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()
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H A D | mp5990.c | 59 s32 mantissa; in mp5990_read_word_data() local 72 mantissa = ((s16)((ret & 0x7ff) << 5)) >> 5; in mp5990_read_word_data() 73 ret = mantissa; in mp5990_read_word_data()
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H A D | xdpe12284.c | 29 s32 mantissa; in xdpe122_read_word_data() local 41 mantissa = ((s16)((ret & GENMASK(10, 0)) << 5)) >> 5; in xdpe122_read_word_data() 42 val = mantissa * 1000L; in xdpe122_read_word_data()
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H A D | mp2856.c | 78 s16 exponent = 0, mantissa; in val2linear11() local 101 mantissa = clamp_val(DIV_ROUND_CLOSEST_ULL(val, 1000), 0, 0x3ff); in val2linear11() 105 mantissa = -mantissa; in val2linear11() 108 return (mantissa & 0x7ff) | ((exponent << 11) & 0xf800); in val2linear11()
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/linux/arch/m68k/fpsp040/ |
H A D | sgetem.S | 10 | 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
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H A D | fpsp.h | 132 .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 [all …]
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H A D | round.S | 154 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 [all …]
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H A D | x_store.S | 140 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
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H A D | decbin.S | 26 | 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
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H A D | bindec.S | 68 | 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
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/linux/drivers/usb/serial/ |
H A D | pl2303.c | 612 unsigned int baseline, mantissa, exponent; in pl2303_encode_baud_rate_divisor() local 622 mantissa = baseline / baud; in pl2303_encode_baud_rate_divisor() 623 if (mantissa == 0) in pl2303_encode_baud_rate_divisor() 624 mantissa = 1; /* Avoid dividing by zero if baud > 32*12M. */ in pl2303_encode_baud_rate_divisor() 626 while (mantissa >= 512) { in pl2303_encode_baud_rate_divisor() 628 mantissa >>= 2; /* divide by 4 */ in pl2303_encode_baud_rate_divisor() 632 mantissa = 511; in pl2303_encode_baud_rate_divisor() 639 buf[1] = exponent << 1 | mantissa >> 8; in pl2303_encode_baud_rate_divisor() 640 buf[0] = mantissa & 0xff; in pl2303_encode_baud_rate_divisor() 643 baud = (baseline / mantissa) >> (exponent << 1); in pl2303_encode_baud_rate_divisor() [all …]
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/linux/drivers/hid/amd-sfh-hid/sfh1_1/ |
H A D | amd_sfh_desc.c | 137 int fraction, shift, mantissa, sign, exp, zeropre; in amd_sfh_float_to_int() local 139 mantissa = flt32_val & GENMASK(22, 0); in amd_sfh_float_to_int() 143 if (!exp && !mantissa) in amd_sfh_float_to_int() 155 zeropre = (((BIT(23) + mantissa) * 100) >> 23) >> exp; in amd_sfh_float_to_int() 165 flt32_val = BIT(exp) + (mantissa << shift); in amd_sfh_float_to_int() 168 flt32_val = BIT(exp) + (mantissa >> shift); in amd_sfh_float_to_int() 171 fraction = (shift == 0) ? 0 : mantissa & GENMASK(shift - 1, 0); in amd_sfh_float_to_int()
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/linux/drivers/iio/chemical/ |
H A D | sps30.c | 42 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()
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H A D | scd30_core.c | 92 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()
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/linux/sound/isa/gus/ |
H A D | gus_volume.c | 152 unsigned int mantissa, f1, f2; 166 mantissa = sensitivity % 8192; 173 bend = (int) ((((f2 - f1) * mantissa) >> 13) + f1);
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/linux/drivers/net/wireless/mediatek/mt76/mt76x0/ |
H A D | phy.c | 669 u32 mantissa = val << 4; in mt76x0_phy_lin2db() local 673 while (mantissa < BIT(15)) { in mt76x0_phy_lin2db() 674 mantissa <<= 1; in mt76x0_phy_lin2db() 678 while (mantissa > 0xffff) { in mt76x0_phy_lin2db() 679 mantissa >>= 1; in mt76x0_phy_lin2db() 685 if (mantissa <= 47104) in mt76x0_phy_lin2db() 686 data = mantissa + (mantissa >> 3) + (mantissa >> 4) - 38400; in mt76x0_phy_lin2db() 688 data = mantissa - (mantissa >> 3) - (mantissa >> 6) - 23040; in mt76x0_phy_lin2db()
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/linux/drivers/clk/ti/ |
H A D | dpll3xxx.c | 305 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()
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/linux/arch/m68k/math-emu/ |
H A D | fp_util.S | 108 move.l %d0,(%a0)+ | set mantissa 131 lsl.l #8,%d0 | shift mantissa 168 lsl.l #8,%d0 | shift high mantissa
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/linux/drivers/isdn/mISDN/ |
H A D | dsp_audio.c | 124 int sign, exponent, mantissa; in linear2ulaw() local 135 mantissa = (sample >> (exponent + 3)) & 0x0F; in linear2ulaw() 136 ulawbyte = ~(sign | (exponent << 4) | mantissa); in linear2ulaw()
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/linux/drivers/md/bcache/ |
H A D | util.h | 487 unsigned int mantissa = 1 << fract_bits; /* Implicit bit */ in fract_exp_two() local 489 mantissa += x & (mantissa - 1); in fract_exp_two() 492 return mantissa << x >> fract_bits; in fract_exp_two()
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