/* * Copyright (c) 2001 Katsurajima Naoto * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHERIN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THEPOSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD: head/sys/dev/sound/pci/spicds.c 159689 2006-06-17 15:11:36Z netchild $ */ #include #include MALLOC_DEFINE(M_AK452X, "ak452x", "ak452x codec"); #define AK452X_NAMELEN 16 struct ak452x_info { device_t dev; ak452x_ctrl ctrl; void *devinfo; int num; /* number of this device */ unsigned int type; /* codec type */ unsigned int cif; /* Controll data Interface Format (0/1) */ unsigned int format; /* data format and master clock frequency */ unsigned int dvc; /* De-emphasis and Volume Control */ unsigned int left, right; char name[AK452X_NAMELEN]; void *lock; }; static void ak452x_wrbit(struct ak452x_info *codec, int bit) { unsigned int cs, cdti; if (codec->cif) cs = 1; else cs = 0; if (bit) cdti = 1; else cdti = 0; codec->ctrl(codec->devinfo, cs, 0, cdti); DELAY(1); codec->ctrl(codec->devinfo, cs, 1, cdti); DELAY(1); return; } static void ak452x_wrcd(struct ak452x_info *codec, int reg, u_int8_t val) { int mask; #if(0) device_printf(codec->dev, "ak452x_wrcd(codec, 0x%02x, 0x%02x)\n", reg, val); #endif /* start */ if (codec->cif) codec->ctrl(codec->devinfo, 1, 1, 0); else codec->ctrl(codec->devinfo, 0, 1, 0); DELAY(1); /* chip address */ ak452x_wrbit(codec, 1); ak452x_wrbit(codec, 0); /* write */ ak452x_wrbit(codec, 1); /* register address */ for (mask = 0x10; mask != 0; mask >>= 1) ak452x_wrbit(codec, reg & mask); /* data */ for (mask = 0x80; mask != 0; mask >>= 1) ak452x_wrbit(codec, val & mask); /* stop */ DELAY(1); if (codec->cif) { codec->ctrl(codec->devinfo, 0, 1, 0); DELAY(1); codec->ctrl(codec->devinfo, 1, 1, 0); } else { codec->ctrl(codec->devinfo, 1, 1, 0); } return; } struct ak452x_info * ak452x_create(device_t dev, void *devinfo, int num, ak452x_ctrl ctrl) { struct ak452x_info *codec; #if(0) device_printf(dev, "ak452x_create(dev, devinfo, %d, ctrl)\n", num); #endif codec = (struct ak452x_info *)malloc(sizeof *codec, M_AK452X, M_NOWAIT); if (codec == NULL) return NULL; snprintf(codec->name, AK452X_NAMELEN, "%s:ak452x%d", device_get_nameunit(dev), num); codec->lock = snd_mtxcreate(codec->name, codec->name); codec->dev = dev; codec->ctrl = ctrl; codec->devinfo = devinfo; codec->num = num; codec->type = AK452X_TYPE_4524; codec->cif = 0; codec->format = AK452X_FORMAT_I2S | AK452X_FORMAT_256FSN | AK452X_FORMAT_1X; codec->dvc = AK452X_DVC_DEMOFF | AK452X_DVC_ZTM1024 | AK452X_DVC_ZCE; return codec; } void ak452x_destroy(struct ak452x_info *codec) { snd_mtxfree(codec->lock); free(codec, M_AK452X); } void ak452x_settype(struct ak452x_info *codec, unsigned int type) { snd_mtxlock(codec->lock); codec->type = type; snd_mtxunlock(codec->lock); } void ak452x_setcif(struct ak452x_info *codec, unsigned int cif) { snd_mtxlock(codec->lock); codec->cif = cif; snd_mtxunlock(codec->lock); } void ak452x_setformat(struct ak452x_info *codec, unsigned int format) { snd_mtxlock(codec->lock); codec->format = format; snd_mtxunlock(codec->lock); } void ak452x_setdvc(struct ak452x_info *codec, unsigned int dvc) { snd_mtxlock(codec->lock); codec->dvc = dvc; snd_mtxunlock(codec->lock); } void ak452x_init(struct ak452x_info *codec) { #if(0) device_printf(codec->dev, "ak452x_init(codec)\n"); #endif snd_mtxlock(codec->lock); /* power off */ ak452x_wrcd(codec, AK4524_POWER, 0); /* set parameter */ ak452x_wrcd(codec, AK4524_FORMAT, codec->format); ak452x_wrcd(codec, AK4524_DVC, codec->dvc); /* power on */ ak452x_wrcd(codec, AK4524_POWER, AK452X_POWER_PWDA | AK452X_POWER_PWAD | AK452X_POWER_PWVR); /* free reset register */ ak452x_wrcd(codec, AK4524_RESET, AK452X_RESET_RSDA | AK452X_RESET_RSAD); snd_mtxunlock(codec->lock); } void ak452x_reinit(struct ak452x_info *codec) { snd_mtxlock(codec->lock); /* reset */ ak452x_wrcd(codec, AK4524_RESET, 0); /* set parameter */ ak452x_wrcd(codec, AK4524_FORMAT, codec->format); ak452x_wrcd(codec, AK4524_DVC, codec->dvc); /* free reset register */ ak452x_wrcd(codec, AK4524_RESET, AK452X_RESET_RSDA | AK452X_RESET_RSAD); snd_mtxunlock(codec->lock); } void ak452x_set(struct ak452x_info *codec, int dir, unsigned int left, unsigned int right) { #if(0) device_printf(codec->dev, "ak452x_set(codec, %d, %d, %d)\n", dir, left, right); #endif snd_mtxlock(codec->lock); if (left >= 100) left = 127; else left = left * 127 / 100; if (right >= 100) right = 127; else right = right * 127 / 100; if (dir == PCMDIR_REC && codec->type == AK452X_TYPE_4524) { #if(0) device_printf(codec->dev, "ak452x_set(): AK4524(REC) %d/%d\n", left, right); #endif ak452x_wrcd(codec, AK4524_LIPGA, left); ak452x_wrcd(codec, AK4524_RIPGA, right); } if (dir == PCMDIR_PLAY && codec->type == AK452X_TYPE_4524) { #if(0) device_printf(codec->dev, "ak452x_set(): AK4524(PLAY) %d/%d\n", left, right); #endif ak452x_wrcd(codec, AK4524_LOATT, left); ak452x_wrcd(codec, AK4524_ROATT, right); } if (dir == PCMDIR_PLAY && codec->type == AK452X_TYPE_4528) { #if(0) device_printf(codec->dev, "ak452x_set(): AK4528(PLAY) %d/%d\n", left, right); #endif ak452x_wrcd(codec, AK4528_LOATT, left); ak452x_wrcd(codec, AK4528_ROATT, right); } snd_mtxunlock(codec->lock); } MODULE_DEPEND(snd_ak452x, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER); MODULE_VERSION(snd_ak452x, 1);