/* * Shared helper functions for devices from the ADAU family * * Copyright 2011-2016 Analog Devices Inc. * Author: Lars-Peter Clausen * * Licensed under the GPL-2 or later. */ #include #include #include #include "adau-utils.h" int adau_calc_pll_cfg(unsigned int freq_in, unsigned int freq_out, uint8_t regs[5]) { unsigned int r, n, m, i, j; unsigned int div; if (!freq_out) { r = 0; n = 0; m = 0; div = 0; } else { if (freq_out % freq_in != 0) { div = DIV_ROUND_UP(freq_in, 13500000); freq_in /= div; r = freq_out / freq_in; i = freq_out % freq_in; j = gcd(i, freq_in); n = i / j; m = freq_in / j; div--; } else { r = freq_out / freq_in; n = 0; m = 0; div = 0; } if (n > 0xffff || m > 0xffff || div > 3 || r > 8 || r < 2) return -EINVAL; } regs[0] = m >> 8; regs[1] = m & 0xff; regs[2] = n >> 8; regs[3] = n & 0xff; regs[4] = (r << 3) | (div << 1); if (m != 0) regs[4] |= 1; /* Fractional mode */ return 0; } EXPORT_SYMBOL_GPL(adau_calc_pll_cfg); MODULE_DESCRIPTION("ASoC ADAU audio CODECs shared helper functions"); MODULE_AUTHOR("Lars-Peter Clausen "); MODULE_LICENSE("GPL v2"); cket-loop-back net-next plumbingsTobias Klauser

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path: root/sound/pci/emu10k1

Mode	Name	Size
-rw-r--r--	Makefile	553	log plain
-rw-r--r--	emu10k1.c	8791	log plain
-rw-r--r--	emu10k1_callback.c	14646	log plain
-rw-r--r--	emu10k1_main.c	69872	log plain
-rw-r--r--	emu10k1_patch.c	6273	log plain
-rw-r--r--	emu10k1_synth.c	3161	log plain
-rw-r--r--	emu10k1_synth_local.h	1535	log plain
-rw-r--r--	emu10k1x.c	48876	log plain
-rw-r--r--	emufx.c	101572	log plain
-rw-r--r--	emumixer.c	68824	log plain
-rw-r--r--	emumpu401.c	11428	log plain
-rw-r--r--	emupcm.c	58692	log plain
-rw-r--r--	emuproc.c	21057	log plain
-rw-r--r--	io.c	16190	log plain
-rw-r--r--	irq.c	6754	log plain
-rw-r--r--	memory.c	16163	log plain
-rw-r--r--	p16v.c	29109	log plain
-rw-r--r--	p16v.h	14922	log plain