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Searched refs:fref (Results 1 – 25 of 36) sorted by relevance

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/linux/drivers/media/tuners/
H A Dmt20xx.c108 unsigned int fref,lo1,lo1n,lo1a,s,sel,lo1freq, desired_lo1, in mt2032_compute_freq() local
111 fref= 5250 *1000; //5.25MHz in mt2032_compute_freq()
114 lo1=(2*(desired_lo1/1000)+(fref/1000)) / (2*fref/1000); in mt2032_compute_freq()
136 lo1freq=(lo1a+8*lo1n)*fref; in mt2032_compute_freq()
142 lo2=(desired_lo2)/fref; in mt2032_compute_freq()
145 lo2num=((desired_lo2/1000)%(fref/1000))* 3780/(fref/1000); //scale to fit in 32bit arith in mt2032_compute_freq()
146 lo2freq=(lo2a+8*lo2n)*fref + lo2num*(fref/1000)/3780*1000; in mt2032_compute_freq()
/linux/sound/soc/codecs/
H A Dmadera.c3430 static int madera_find_sync_fratio(unsigned int fref, int *fratio) in madera_find_sync_fratio() argument
3435 if (fll_sync_fratios[i].min <= fref && in madera_find_sync_fratio()
3436 fref <= fll_sync_fratios[i].max) { in madera_find_sync_fratio()
3447 static int madera_find_main_fratio(unsigned int fref, unsigned int fout, in madera_find_main_fratio() argument
3452 while ((fout / (ratio * fref)) > MADERA_FLL_MAX_N) in madera_find_main_fratio()
3461 static int madera_find_fratio(struct madera_fll *fll, unsigned int fref, in madera_find_fratio() argument
3469 return madera_find_sync_fratio(fref, fratio); in madera_find_fratio()
3472 return madera_find_sync_fratio(fref, fratio); in madera_find_fratio()
3474 return madera_find_main_fratio(fref, in madera_find_fratio()
3482 return madera_find_sync_fratio(fref, fratio); in madera_find_fratio()
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H A Dnau8540.c664 unsigned int fref, i, fvco_sel; in nau8540_calc_fll_param() local
671 fref = fll_in / fll_pre_scalar[i].param; in nau8540_calc_fll_param()
672 if (fref <= NAU_FREF_MAX) in nau8540_calc_fll_param()
681 if (fref >= fll_ratio[i].param) in nau8540_calc_fll_param()
710 fvco = div_u64(fvco_max << 16, fref * fll_param->ratio); in nau8540_calc_fll_param()
H A Dda7210.c212 int fref; member
986 int source, unsigned int fref, unsigned int fout) in da7210_set_dai_pll() argument
1000 if ((fref == da7210_pll_div[cnt].fref) && in da7210_set_dai_pll()
1029 dev_err(codec_dai->dev, "Unsupported PLL input frequency %d\n", fref); in da7210_set_dai_pll()
H A Dda9055.c239 int fref; member
1279 int source, unsigned int fref, unsigned int fout) in da9055_set_dai_pll() argument
1296 if ((fref == da9055_pll_div[cnt].fref) && in da9055_set_dai_pll()
H A Dda732x.c1118 int fref, indiv; in da732x_set_dai_pll() local
1156 fref = da732x->sysclk / BIT(indiv); in da732x_set_dai_pll()
1157 div_hi = freq_out / fref; in da732x_set_dai_pll()
1158 frac_div = (u64)(freq_out % fref) * 8192ULL; in da732x_set_dai_pll()
1159 do_div(frac_div, fref); in da732x_set_dai_pll()
H A Dcs48l32.c1602 int refdiv, fref, fout, lockdet_thr, fbdiv, fllgcd; in cs48l32_fllhj_apply() local
1614 fref = fin / (1 << refdiv); in cs48l32_fllhj_apply()
1616 frac = fout % fref; in cs48l32_fllhj_apply()
1622 if (fref < CS48L32_FLLHJ_LOW_THRESH) { in cs48l32_fllhj_apply()
1630 } else if (fref < CS48L32_FLLHJ_MID_THRESH) { in cs48l32_fllhj_apply()
1645 if (fref < CS48L32_FLLHJ_LP_INT_MODE_THRESH) in cs48l32_fllhj_apply()
1654 ratio = fout / fref; in cs48l32_fllhj_apply()
1656 cs48l32_fll_dbg(fll, "refdiv=%d, fref=%d, frac:%d\n", refdiv, fref, frac); in cs48l32_fllhj_apply()
1676 fllgcd = gcd(fout, fbdiv * fref); in cs48l32_fllhj_apply()
1678 lambda = (fref * fbdiv) / fllgcd; in cs48l32_fllhj_apply()
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H A Dmadera.h413 unsigned int fref, unsigned int fout);
415 unsigned int fref, unsigned int fout);
H A Dnau8821.c1295 unsigned int fref, i, fvco_sel; in nau8821_calc_fll_param()
1302 fref = fll_in >> fll_pre_scalar[i].param; in nau8821_calc_fll_param()
1303 if (fref <= NAU_FREF_MAX) in nau8821_calc_fll_param()
1312 if (fref >= fll_ratio[i].param) in nau8821_calc_fll_param()
1341 fvco = div_u64(fvco_max << 24, fref * fll_param->ratio); in nau8821_fll_apply()
1281 unsigned int fref, i, fvco_sel; nau8821_calc_fll_param() local
H A Dnau8824.c1280 unsigned int fref, i, fvco_sel; in nau8824_calc_fll_param() local
1287 fref = fll_in / fll_pre_scalar[i].param; in nau8824_calc_fll_param()
1288 if (fref <= NAU_FREF_MAX) in nau8824_calc_fll_param()
1297 if (fref >= fll_ratio[i].param) in nau8824_calc_fll_param()
1326 fvco = div_u64(fvco_max << 16, fref * fll_param->ratio); in nau8824_calc_fll_param()
H A Dcs47l15.c1125 int source, unsigned int fref, unsigned int fout) in cs47l15_set_fll() argument
1131 return madera_set_fll_refclk(&cs47l15->fll[0], source, fref, in cs47l15_set_fll()
1134 return madera_set_fll_ao_refclk(&cs47l15->fll[1], source, fref, in cs47l15_set_fll()
1137 return madera_set_fll_syncclk(&cs47l15->fll[0], source, fref, in cs47l15_set_fll()
H A Dcs47l85.c2224 int source, unsigned int fref, unsigned int fout) in cs47l85_set_fll() argument
2230 return madera_set_fll_refclk(&cs47l85->fll[0], source, fref, in cs47l85_set_fll()
2233 return madera_set_fll_refclk(&cs47l85->fll[1], source, fref, in cs47l85_set_fll()
2236 return madera_set_fll_refclk(&cs47l85->fll[2], source, fref, in cs47l85_set_fll()
2239 return madera_set_fll_syncclk(&cs47l85->fll[0], source, fref, in cs47l85_set_fll()
2242 return madera_set_fll_syncclk(&cs47l85->fll[1], source, fref, in cs47l85_set_fll()
2245 return madera_set_fll_syncclk(&cs47l85->fll[2], source, fref, in cs47l85_set_fll()
H A Dcs47l90.c2146 int source, unsigned int fref, unsigned int fout) in cs47l90_set_fll() argument
2152 return madera_set_fll_refclk(&cs47l90->fll[0], source, fref, in cs47l90_set_fll()
2155 return madera_set_fll_refclk(&cs47l90->fll[1], source, fref, in cs47l90_set_fll()
2158 return madera_set_fll_ao_refclk(&cs47l90->fll[2], source, fref, in cs47l90_set_fll()
2161 return madera_set_fll_syncclk(&cs47l90->fll[0], source, fref, in cs47l90_set_fll()
2164 return madera_set_fll_syncclk(&cs47l90->fll[1], source, fref, in cs47l90_set_fll()
/linux/drivers/clk/
H A Dclk-clps711x.c47 u32 tmp, f_cpu, f_pll, f_bus, f_tim, f_pwm, f_spi, fref = 0; in clps711x_clk_init_dt() local
51 WARN_ON(of_property_read_u32(np, "startup-frequency", &fref)); in clps711x_clk_init_dt()
64 if (((tmp >= 10) && (tmp <= 50)) || !fref) in clps711x_clk_init_dt()
67 f_pll = fref; in clps711x_clk_init_dt()
H A Dclk-xgene.c75 unsigned long fref; in xgene_clk_pll_recalc_rate() local
101 fref = parent_rate / nref; in xgene_clk_pll_recalc_rate()
102 fvco = fref * nfb; in xgene_clk_pll_recalc_rate()
/linux/drivers/clk/pistachio/
H A Dclk-pll.c129 pll_get_params(struct pistachio_clk_pll *pll, unsigned long fref, in pll_get_params() argument
135 if (pll->rates[i].fref == fref && pll->rates[i].fout == fout) in pll_get_params()
148 if (i > 0 && pll->rates[i].fref == req->best_parent_rate && in pll_determine_rate()
214 vco = params->fref; in pll_gf40lp_frac_set_rate()
222 val = div64_u64(params->fref, params->refdiv); in pll_gf40lp_frac_set_rate()
370 vco = div_u64(params->fref * params->fbdiv, params->refdiv); in pll_gf40lp_laint_set_rate()
375 val = div_u64(params->fref, params->refdiv); in pll_gf40lp_laint_set_rate()
H A Dclk.h95 unsigned long long fref; member
/linux/drivers/clk/imx/
H A Dclk-imx31.c53 static void __init _mx31_clocks_init(void __iomem *base, unsigned long fref) in _mx31_clocks_init() argument
56 clk[ckih] = imx_clk_fixed("ckih", fref); in _mx31_clocks_init()
126 u32 fref = 26000000; /* default */ in mx31_clocks_init_dt() local
133 if (!of_property_read_u32(osc_np, "clock-frequency", &fref)) in mx31_clocks_init_dt()
141 _mx31_clocks_init(ccm, fref); in mx31_clocks_init_dt()
H A Dclk-imx27.c51 static void __init _mx27_clocks_init(unsigned long fref) in _mx27_clocks_init() argument
56 clk[IMX27_CLK_CKIH] = imx_clk_fixed("ckih", fref); in _mx27_clocks_init()
174 u32 fref = 26000000; /* default */ in mx27_clocks_init_dt() local
180 if (!of_property_read_u32(refnp, "clock-frequency", &fref)) in mx27_clocks_init_dt()
186 _mx27_clocks_init(fref); in mx27_clocks_init_dt()
/linux/arch/m68k/coldfire/
H A Dm53xx.c472 int fref, temp, fout, mfd; in clock_pll() local
475 fref = FREF; in clock_pll()
481 return (fref * mfd / (BUSDIV * 4)); in clock_pll()
494 temp = 100 * fsys / fref; in clock_pll()
498 fout = (fref * mfd / (BUSDIV * 4)); in clock_pll()
/linux/drivers/phy/rockchip/
H A Dphy-rockchip-inno-dsidphy.c341 unsigned long fref, fout; in inno_dsidphy_pll_calc_rate() local
352 fref = prate / 2; in inno_dsidphy_pll_calc_rate()
359 min_prediv = DIV_ROUND_UP(fref, 40000000); in inno_dsidphy_pll_calc_rate()
360 max_prediv = fref / 5000000; in inno_dsidphy_pll_calc_rate()
367 do_div(tmp, fref); in inno_dsidphy_pll_calc_rate()
380 tmp = (u64)_fbdiv * fref; in inno_dsidphy_pll_calc_rate()
H A Dphy-rockchip-samsung-hdptx.c1047 const unsigned int fout = div_u64(rate, 200), fref = 24000; in rk_hdptx_phy_clk_pll_calc() local
1064 mdiv = DIV_ROUND_UP(fvco, fref); in rk_hdptx_phy_clk_pll_calc()
1068 if (fref * mdiv - fvco) { in rk_hdptx_phy_clk_pll_calc()
1069 for (sdc = 264000; sdc <= 750000; sdc += fref) in rk_hdptx_phy_clk_pll_calc()
1070 if (sdc * n > fref * mdiv) in rk_hdptx_phy_clk_pll_calc()
1076 rational_best_approximation(fref * mdiv - fvco, in rk_hdptx_phy_clk_pll_calc()
1082 rational_best_approximation(sdc * n - fref * mdiv, in rk_hdptx_phy_clk_pll_calc()
/linux/drivers/tty/serial/8250/
H A D8250_lpss.c77 unsigned long fref = lpss->board->freq, fuart = baud * 16; in byt_set_termios() local
86 fuart *= rounddown_pow_of_two(fref / fuart); in byt_set_termios()
94 rational_best_approximation(fuart, fref, w, w, &m, &n); in byt_set_termios()
/linux/drivers/spi/
H A Dspi-pxa2xx.c802 unsigned long fref = xtal / 2; /* mandatory division by 2, in quark_x1000_get_clk_div() local
805 unsigned long fref1 = fref / 2; /* case 1 */ in quark_x1000_get_clk_div()
806 unsigned long fref2 = fref * 2 / 5; /* case 2 */ in quark_x1000_get_clk_div()
863 if (fref / rate >= 80) { in quark_x1000_get_clk_div()
868 q1 = DIV_ROUND_UP(fref, rate); in quark_x1000_get_clk_div()
872 fssp = (u64)fref * m; in quark_x1000_get_clk_div()
/linux/drivers/video/fbdev/
H A Dtdfxfb.c291 int fref = 14318; in do_calc_pll() local
302 int n_estimated = ((freq * (m + 2) << k) / fref) - 2; in do_calc_pll()
312 int f = (fref * (n + 2) / (m + 2)) >> k; in do_calc_pll()
332 *freq_out = (fref * (n + 2) / (m + 2)) >> k; in do_calc_pll()

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