| /drivers/gpu/drm/amd/amdgpu/ |
| D | amdgpu_pll.c | 44 static void amdgpu_pll_reduce_ratio(unsigned *nom, unsigned *den, in amdgpu_pll_reduce_ratio() argument
50 tmp = gcd(*nom, *den); in amdgpu_pll_reduce_ratio()
52 *den /= tmp; in amdgpu_pll_reduce_ratio()
58 *den *= tmp; in amdgpu_pll_reduce_ratio()
62 if (*den < den_min) { in amdgpu_pll_reduce_ratio()
63 tmp = DIV_ROUND_UP(den_min, *den); in amdgpu_pll_reduce_ratio()
65 *den *= tmp; in amdgpu_pll_reduce_ratio()
83 static void amdgpu_pll_get_fb_ref_div(unsigned nom, unsigned den, unsigned post_div, in amdgpu_pll_get_fb_ref_div() argument
91 *ref_div = min(max(DIV_ROUND_CLOSEST(den, post_div), 1u), ref_div_max); in amdgpu_pll_get_fb_ref_div()
92 *fb_div = DIV_ROUND_CLOSEST(nom * *ref_div * post_div, den); in amdgpu_pll_get_fb_ref_div()
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| /drivers/clk/mmp/ |
| D | clk-frac.c | 36 rate = (((*prate / 10000) * factor->ftbl[i].den) / in clk_factor_round_rate()
56 unsigned int val, num, den; in clk_factor_recalc_rate() local
64 den = (val >> masks->den_shift) & masks->den_mask; in clk_factor_recalc_rate()
66 if (!den) in clk_factor_recalc_rate()
69 return (((parent_rate / 10000) * den) / in clk_factor_recalc_rate()
85 rate = (((prate / 10000) * factor->ftbl[i].den) / in clk_factor_set_rate()
102 val |= (factor->ftbl[i].den & masks->den_mask) << masks->den_shift; in clk_factor_set_rate()
116 u32 val, num, den; in clk_factor_init() local
129 den = (val >> masks->den_shift) & masks->den_mask; in clk_factor_init()
132 if (den == factor->ftbl[i].den && num == factor->ftbl[i].num) in clk_factor_init()
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| D | clk-of-pxa1928.c | 65 {.num = 832, .den = 234}, /*58.5MHZ */
66 {.num = 1, .den = 1}, /*26MHZ */
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| /drivers/thermal/qcom/ |
| D | tsens-common.c | 41 int num, den; in compute_intercept_slope() local
56 den = CAL_DEGC_PT2 - CAL_DEGC_PT1; in compute_intercept_slope()
57 priv->sensor[i].slope = num / den; in compute_intercept_slope()
69 int degc, num, den; in code_to_degc() local
72 den = s->slope; in code_to_degc()
75 degc = num + (den / 2); in code_to_degc()
77 degc = num - (den / 2); in code_to_degc()
81 degc /= den; in code_to_degc()
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| /drivers/media/dvb-frontends/cxd2880/ |
| D | cxd2880_tnrdmd_dvbt_mon.c | 550 int den; in cxd2880_tnrdmd_dvbt_mon_sampling_offset() local
639 den = (nominal_rate_reg[0] & 0x7f) << 24; in cxd2880_tnrdmd_dvbt_mon_sampling_offset()
640 den |= nominal_rate_reg[1] << 16; in cxd2880_tnrdmd_dvbt_mon_sampling_offset()
641 den |= nominal_rate_reg[2] << 8; in cxd2880_tnrdmd_dvbt_mon_sampling_offset()
642 den |= nominal_rate_reg[3]; in cxd2880_tnrdmd_dvbt_mon_sampling_offset()
643 den = (den + (390625 / 2)) / 390625; in cxd2880_tnrdmd_dvbt_mon_sampling_offset()
645 den >>= 1; in cxd2880_tnrdmd_dvbt_mon_sampling_offset()
648 *ppm = (num + (den / 2)) / den; in cxd2880_tnrdmd_dvbt_mon_sampling_offset()
650 *ppm = (num - (den / 2)) / den; in cxd2880_tnrdmd_dvbt_mon_sampling_offset()
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| D | cxd2880_tnrdmd_dvbt2_mon.c | 1437 int den; in cxd2880_tnrdmd_dvbt2_mon_sampling_offset() local
1537 den = (nominal_rate_reg[0] & 0x7f) << 24; in cxd2880_tnrdmd_dvbt2_mon_sampling_offset()
1538 den |= nominal_rate_reg[1] << 16; in cxd2880_tnrdmd_dvbt2_mon_sampling_offset()
1539 den |= nominal_rate_reg[2] << 8; in cxd2880_tnrdmd_dvbt2_mon_sampling_offset()
1540 den |= nominal_rate_reg[3]; in cxd2880_tnrdmd_dvbt2_mon_sampling_offset()
1541 den = (den + (390625 / 2)) / 390625; in cxd2880_tnrdmd_dvbt2_mon_sampling_offset()
1543 den >>= 1; in cxd2880_tnrdmd_dvbt2_mon_sampling_offset()
1546 *ppm = (num + (den / 2)) / den; in cxd2880_tnrdmd_dvbt2_mon_sampling_offset()
1548 *ppm = (num - (den / 2)) / den; in cxd2880_tnrdmd_dvbt2_mon_sampling_offset()
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| /drivers/iio/adc/ |
| D | qcom-spmi-adc5.c | 147 {.num = 1, .den = 1},
148 {.num = 1, .den = 3},
149 {.num = 1, .den = 4},
150 {.num = 1, .den = 6},
151 {.num = 1, .den = 20},
152 {.num = 1, .den = 8},
153 {.num = 10, .den = 81},
154 {.num = 1, .den = 10},
155 {.num = 1, .den = 16}
168 static int adc5_prescaling_from_dt(u32 num, u32 den) in adc5_prescaling_from_dt() argument
[all …]
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| D | qcom-spmi-vadc.c | 127 {.num = 1, .den = 1},
128 {.num = 1, .den = 3},
129 {.num = 1, .den = 4},
130 {.num = 1, .den = 6},
131 {.num = 1, .den = 20},
132 {.num = 1, .den = 8},
133 {.num = 10, .den = 81},
134 {.num = 1, .den = 10}
408 static int vadc_prescaling_from_dt(u32 num, u32 den) in vadc_prescaling_from_dt() argument
414 vadc_prescale_ratios[pre].den == den) in vadc_prescaling_from_dt()
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| D | qcom-vadc-common.c | 190 voltage = voltage * prescale->den; in qcom_vadc_scale_volt()
232 temp = voltage * prescale->den; in qcom_vadc_scale_die_temp()
254 voltage = voltage * prescale->den; in qcom_vadc_scale_chg_temp()
284 voltage *= prescale->den; in qcom_vadc_scale_code_voltage_factor()
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| D | qcom-vadc-common.h | 96 u32 den; member
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| /drivers/clk/spear/ |
| D | clk-aux-synth.c | 69 unsigned int num = 1, den = 1, val, eqn; in clk_aux_recalc_rate() local
82 den = 2; in clk_aux_recalc_rate()
89 den *= (val >> aux->masks->yscale_sel_shift) & in clk_aux_recalc_rate()
92 if (!den) in clk_aux_recalc_rate()
95 return (((parent_rate / 10000) * num) / den) * 10000; in clk_aux_recalc_rate()
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| D | clk-vco-pll.c | 197 unsigned int num = 2, den = 0, val, mode = 0; in clk_vco_recalc_rate() local
209 den = (val >> PLL_DIV_N_SHIFT) & PLL_DIV_N_MASK; in clk_vco_recalc_rate()
218 den *= 256; in clk_vco_recalc_rate()
221 if (!den) { in clk_vco_recalc_rate()
226 return (((parent_rate / 10000) * num) / den) * 10000; in clk_vco_recalc_rate()
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| /drivers/media/i2c/m5mols/ |
| D | m5mols_capture.c | 43 u32 num, den; in m5mols_read_rational() local
47 ret = m5mols_read_u32(sd, addr_den, &den); in m5mols_read_rational()
50 *val = den == 0 ? 0 : num / den; in m5mols_read_rational()
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| /drivers/clk/meson/ |
| D | sclk-div.c | 116 sclk->cached_duty.den); in sclk_apply_ratio()
147 duty->den = 2; in sclk_div_get_duty_cycle()
153 duty->den = sclk->cached_div; in sclk_div_get_duty_cycle()
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| /drivers/staging/vc04_services/bcm2835-camera/ |
| D | controls.c | 170 rational_value.den = 100; in ctrl_set_rational()
503 gains.r_gain.den = gains.b_gain.den = 1000; in ctrl_set_awb_gains()
1193 fps_range.fps_low.den = 1; in set_framerate_params()
1195 fps_range.fps_high.den = dev->capture.timeperframe.numerator; in set_framerate_params()
1200 fps_range.fps_low.den = fps_range.fps_high.den = in set_framerate_params()
1207 fps_range.fps_low.den, in set_framerate_params()
1209 fps_range.fps_high.den); in set_framerate_params()
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| D | mmal-msg-common.h | 45 s32 den; /**< Denominator */ member
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| /drivers/video/fbdev/core/ |
| D | fbcvt.c | 76 u32 den; in fb_cvt_hperiod() local
80 den = 2 * (cvt->yres/cvt->interlace + 2 * cvt->v_margin); in fb_cvt_hperiod()
83 den = 2 * (cvt->yres/cvt->interlace + cvt->v_margin * 2 in fb_cvt_hperiod()
87 return 2 * (num/den); in fb_cvt_hperiod()
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| /drivers/clk/qcom/ |
| D | clk-rcg2.c | 380 int den; member
424 request *= frac->den; in clk_edp_pixel_set_rate()
436 f.n = frac->den; in clk_edp_pixel_set_rate()
474 request *= frac->den; in clk_edp_pixel_determine_rate()
486 frac->num, frac->den, in clk_edp_pixel_determine_rate()
487 !!frac->den, hid_div); in clk_edp_pixel_determine_rate()
649 request = (req->rate * frac->den) / frac->num; in clk_pixel_determine_rate()
657 req->rate = (src_rate * frac->num) / frac->den; in clk_pixel_determine_rate()
687 request = (rate * frac->den) / frac->num; in clk_pixel_set_rate()
699 f.n = frac->den; in clk_pixel_set_rate()
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| D | clk-rcg.c | 583 int den; member
601 request = (req->rate * frac->den) / frac->num; in clk_rcg_pixel_determine_rate()
610 req->rate = (src_rate * frac->num) / frac->den; in clk_rcg_pixel_determine_rate()
646 request = (rate * frac->den) / frac->num; in clk_rcg_pixel_set_rate()
653 f.n = frac->den; in clk_rcg_pixel_set_rate()
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| /drivers/gpu/drm/radeon/ |
| D | radeon_display.c | 883 static void avivo_reduce_ratio(unsigned *nom, unsigned *den, in avivo_reduce_ratio() argument
889 tmp = gcd(*nom, *den); in avivo_reduce_ratio()
891 *den /= tmp; in avivo_reduce_ratio()
897 *den *= tmp; in avivo_reduce_ratio()
901 if (*den < den_min) { in avivo_reduce_ratio()
902 tmp = DIV_ROUND_UP(den_min, *den); in avivo_reduce_ratio()
904 *den *= tmp; in avivo_reduce_ratio()
922 static void avivo_get_fb_ref_div(unsigned nom, unsigned den, unsigned post_div, in avivo_get_fb_ref_div() argument
930 *ref_div = min(max(den/post_div, 1u), ref_div_max); in avivo_get_fb_ref_div()
931 *fb_div = DIV_ROUND_CLOSEST(nom * *ref_div * post_div, den); in avivo_get_fb_ref_div()
[all …]
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| /drivers/media/v4l2-core/ |
| D | v4l2-dv-timings.c | 734 u32 den; in v4l2_detect_gtf() local
738 den = (hfreq * (100 - GTF_D_C_PRIME) + GTF_D_M_PRIME * 1000) * in v4l2_detect_gtf()
740 h_blank = div_u64((num + (den >> 1)), den); in v4l2_detect_gtf()
744 u32 den; in v4l2_detect_gtf() local
748 den = (hfreq * (100 - GTF_S_C_PRIME) + GTF_S_M_PRIME * 1000) * in v4l2_detect_gtf()
750 h_blank = div_u64((num + (den >> 1)), den); in v4l2_detect_gtf()
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| /drivers/video/fbdev/riva/ |
| D | fbdev.c | 866 int nom, int den) in rivafb_do_maximize() argument
886 if (modes[i].xres * nom / den * modes[i].yres < in rivafb_do_maximize()
903 var->xres_virtual = (info->fix.smem_len * den / in rivafb_do_maximize()
909 var->yres_virtual = info->fix.smem_len * den / in rivafb_do_maximize()
915 if (var->xres_virtual * nom / den * var->yres_virtual > info->fix.smem_len) { in rivafb_do_maximize()
924 if (var->xres_virtual * nom / den >= 8192) { in rivafb_do_maximize()
927 var->xres_virtual, 8192 * den / nom - 16); in rivafb_do_maximize()
928 var->xres_virtual = 8192 * den / nom - 16; in rivafb_do_maximize()
1087 int nom, den; /* translating from pixels->bytes */ in rivafb_check_var() local
1096 nom = den = 1; in rivafb_check_var()
[all …]
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| /drivers/video/fbdev/aty/ |
| D | radeonfb.h | 439 static inline int round_div(int num, int den) in round_div() argument
441 return (num + (den / 2)) / den; in round_div()
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| /drivers/video/fbdev/matrox/ |
| D | matroxfb_maven.c | 201 unsigned int den; member
216 .den = 50
221 .den = 60
231 unsigned int fmin = pll->vco_freq_min / ctl->den; in matroxfb_PLL_mavenclock()
241 fmax = pll->vco_freq_max / ctl->den; in matroxfb_PLL_mavenclock()
295 return fxtal * (*feed) / (*in) * ctl->den; in matroxfb_PLL_mavenclock()
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| /drivers/video/fbdev/ |
| D | cirrusfb.c | 408 static void bestclock(long freq, int *nom, int *den, int *div);
669 int nom, den, div; in cirrusfb_set_par_foo() local
845 bestclock(freq, &nom, &den, &div); in cirrusfb_set_par_foo()
848 freq, nom, den, div); in cirrusfb_set_par_foo()
885 tmp = den << 1; in cirrusfb_set_par_foo()
2738 static void bestclock(long freq, int *nom, int *den, int *div) in bestclock() argument
2744 assert(den != NULL); in bestclock()
2748 *den = 0; in bestclock()
2772 *den = temp; in bestclock()
2787 *den = d; in bestclock()
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