static int snd_akm4xxx_stereo_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol); int chip = AK_GET_CHIP(kcontrol->private_value); int addr = AK_GET_ADDR(kcontrol->private_value); int invert = AK_GET_INVERT(kcontrol->private_value); unsigned int mask = AK_GET_MASK(kcontrol->private_value); unsigned char nval = ucontrol->value.integer.value[0] % (mask+1); int change0, change1; if (invert) nval = mask - nval; change0 = snd_akm4xxx_get(ak, chip, addr) != nval; if (change0) snd_akm4xxx_write(ak, chip, addr, nval); nval = ucontrol->value.integer.value[1] % (mask+1); if (invert) nval = mask - nval; change1 = snd_akm4xxx_get(ak, chip, addr+1) != nval; if (change1) snd_akm4xxx_write(ak, chip, addr+1, nval); return change0 || change1; }
/* * change the rate of AK4524 on VX442 */ static void vx442_ak4524_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate) { unsigned char val; val = (rate > 48000) ? 0x65 : 0x60; if (snd_akm4xxx_get(ak, 0, 0x02) != val || snd_akm4xxx_get(ak, 1, 0x02) != val) { snd_akm4xxx_reset(ak, 1); snd_akm4xxx_write(ak, 0, 0x02, val); snd_akm4xxx_write(ak, 1, 0x02, val); snd_akm4xxx_reset(ak, 0); } }
static int snd_akm4xxx_deemphasis_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol); int chip = AK_GET_CHIP(kcontrol->private_value); int addr = AK_GET_ADDR(kcontrol->private_value); int shift = AK_GET_SHIFT(kcontrol->private_value); unsigned char nval = ucontrol->value.enumerated.item[0] & 3; int change; nval = (nval << shift) | (snd_akm4xxx_get(ak, chip, addr) & ~(3 << shift)); change = snd_akm4xxx_get(ak, chip, addr) != nval; if (change) snd_akm4xxx_write(ak, chip, addr, nval); return change; }
/* reset procedure for AK4524 and AK4528 */ static void ak4524_reset(struct snd_akm4xxx *ak, int state) { unsigned int chip; unsigned char reg, maxreg; if (ak->type == SND_AK4528) maxreg = 0x06; else maxreg = 0x08; for (chip = 0; chip < ak->num_dacs/2; chip++) { snd_akm4xxx_write(ak, chip, 0x01, state ? 0x00 : 0x03); if (state) continue; /* DAC volumes */ for (reg = 0x04; reg < maxreg; reg++) snd_akm4xxx_write(ak, chip, reg, snd_akm4xxx_get(ak, chip, reg)); if (ak->type == SND_AK4528) continue; /* IPGA */ for (reg = 0x04; reg < 0x06; reg++) snd_akm4xxx_write(ak, chip, reg, snd_akm4xxx_get_ipga(ak, chip, reg)); } }
/* * reset the AKM codecs * @state: 1 = reset codec, 0 = restore the registers * * assert the reset operation and restores the register values to the chips. */ void snd_akm4xxx_reset(struct snd_akm4xxx *ak, int state) { unsigned int chip; unsigned char reg; switch (ak->type) { case SND_AK4524: case SND_AK4528: for (chip = 0; chip < ak->num_dacs/2; chip++) { snd_akm4xxx_write(ak, chip, 0x01, state ? 0x00 : 0x03); if (state) continue; /* DAC volumes */ for (reg = 0x04; reg < (ak->type == SND_AK4528 ? 0x06 : 0x08); reg++) snd_akm4xxx_write(ak, chip, reg, snd_akm4xxx_get(ak, chip, reg)); if (ak->type == SND_AK4528) continue; /* IPGA */ for (reg = 0x04; reg < 0x06; reg++) snd_akm4xxx_write(ak, chip, reg, snd_akm4xxx_get_ipga(ak, chip, reg)); } break; case SND_AK4529: /* FIXME: needed for ak4529? */ break; case SND_AK4355: case SND_AK4358: if (state) { snd_akm4xxx_write(ak, 0, 0x01, 0x02); /* reset and soft-mute */ return; } for (reg = 0x00; reg < 0x0b; reg++) if (reg != 0x01) snd_akm4xxx_write(ak, 0, reg, snd_akm4xxx_get(ak, 0, reg)); snd_akm4xxx_write(ak, 0, 0x01, 0x01); /* un-reset, unmute */ break; case SND_AK4381: for (chip = 0; chip < ak->num_dacs/2; chip++) { snd_akm4xxx_write(ak, chip, 0x00, state ? 0x0c : 0x0f); if (state) continue; for (reg = 0x01; reg < 0x05; reg++) snd_akm4xxx_write(ak, chip, reg, snd_akm4xxx_get(ak, chip, reg)); } break; } }
static int snd_akm4xxx_stereo_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol); int chip = AK_GET_CHIP(kcontrol->private_value); int addr = AK_GET_ADDR(kcontrol->private_value); int invert = AK_GET_INVERT(kcontrol->private_value); unsigned int mask = AK_GET_MASK(kcontrol->private_value); unsigned char val = snd_akm4xxx_get(ak, chip, addr); ucontrol->value.integer.value[0] = invert ? mask - val : val; val = snd_akm4xxx_get(ak, chip, addr+1); ucontrol->value.integer.value[1] = invert ? mask - val : val; return 0; }
static void proc_regs_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer) { struct snd_akm4xxx *ak = entry->private_data; int reg, val, chip; for (chip = 0; chip < ak->num_chips; chip++) { for (reg = 0; reg < ak->total_regs; reg++) { val = snd_akm4xxx_get(ak, chip, reg); snd_iprintf(buffer, "chip %d: 0x%02x = 0x%02x\n", chip, reg, val); } } }
/* reset procedure for AK4381 */ static void ak4381_reset(struct snd_akm4xxx *ak, int state) { unsigned int chip; unsigned char reg; for (chip = 0; chip < ak->num_dacs/2; chip++) { snd_akm4xxx_write(ak, chip, 0x00, state ? 0x0c : 0x0f); if (state) continue; for (reg = 0x01; reg < ak->total_regs; reg++) snd_akm4xxx_write(ak, chip, reg, snd_akm4xxx_get(ak, chip, reg)); } }
static int ak4xxx_capture_source_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol); int chip = AK_GET_CHIP(kcontrol->private_value); int addr = AK_GET_ADDR(kcontrol->private_value); int mask = AK_GET_MASK(kcontrol->private_value); unsigned char val; val = snd_akm4xxx_get(ak, chip, addr) & mask; ucontrol->value.enumerated.item[0] = val; return 0; }
/* reset procedure for AK4355 and AK4358 */ static void ak435X_reset(struct snd_akm4xxx *ak, int state) { unsigned char reg; if (state) { snd_akm4xxx_write(ak, 0, 0x01, 0x02); /* reset and soft-mute */ return; } for (reg = 0x00; reg < ak->total_regs; reg++) if (reg != 0x01) snd_akm4xxx_write(ak, 0, reg, snd_akm4xxx_get(ak, 0, reg)); snd_akm4xxx_write(ak, 0, 0x01, 0x01); /* un-reset, unmute */ }
/* reset procedure for AK4524 and AK4528 */ static void ak4524_reset(struct snd_akm4xxx *ak, int state) { unsigned int chip; unsigned char reg; for (chip = 0; chip < ak->num_dacs/2; chip++) { snd_akm4xxx_write(ak, chip, 0x01, state ? 0x00 : 0x03); if (state) continue; /* DAC volumes */ for (reg = 0x04; reg < ak->total_regs; reg++) snd_akm4xxx_write(ak, chip, reg, snd_akm4xxx_get(ak, chip, reg)); } }
static int ak4xxx_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol); int chip = AK_GET_CHIP(kcontrol->private_value); int addr = AK_GET_ADDR(kcontrol->private_value); int shift = AK_GET_SHIFT(kcontrol->private_value); int invert = AK_GET_INVERT(kcontrol->private_value); /* we observe the (1<<shift) bit only */ unsigned char val = snd_akm4xxx_get(ak, chip, addr) & (1<<shift); if (invert) val = ! val; ucontrol->value.integer.value[0] = (val & (1<<shift)) != 0; return 0; }
static int ak4xxx_capture_source_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol); int mixer_ch = AK_GET_SHIFT(kcontrol->private_value); int chip = AK_GET_CHIP(kcontrol->private_value); int addr = AK_GET_ADDR(kcontrol->private_value); int mask = AK_GET_MASK(kcontrol->private_value); unsigned char oval, val; int num_names = ak4xxx_capture_num_inputs(ak, mixer_ch); if (ucontrol->value.enumerated.item[0] >= num_names) return -EINVAL; oval = snd_akm4xxx_get(ak, chip, addr); val = oval & ~mask; val |= ucontrol->value.enumerated.item[0] & mask; if (val != oval) { snd_akm4xxx_write(ak, chip, addr, val); return 1; } return 0; }
static int ak4xxx_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol); int chip = AK_GET_CHIP(kcontrol->private_value); int addr = AK_GET_ADDR(kcontrol->private_value); int shift = AK_GET_SHIFT(kcontrol->private_value); int invert = AK_GET_INVERT(kcontrol->private_value); long flag = ucontrol->value.integer.value[0]; unsigned char val, oval; int change; if (invert) flag = ! flag; oval = snd_akm4xxx_get(ak, chip, addr); if (flag) val = oval | (1<<shift); else val = oval & ~(1<<shift); change = (oval != val); if (change) snd_akm4xxx_write(ak, chip, addr, val); return change; }
static int put_ak_reg(struct snd_kcontrol *kcontrol, int addr, unsigned char nval) { struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol); unsigned int mask = AK_GET_MASK(kcontrol->private_value); int chip = AK_GET_CHIP(kcontrol->private_value); if (snd_akm4xxx_get_vol(ak, chip, addr) == nval) return 0; snd_akm4xxx_set_vol(ak, chip, addr, nval); if (AK_GET_VOL_CVT(kcontrol->private_value) && nval < 128) nval = vol_cvt_datt[nval]; if (AK_GET_IPGA(kcontrol->private_value) && nval >= 128) nval++; /* need to correct + 1 since both 127 and 128 are 0dB */ if (AK_GET_INVERT(kcontrol->private_value)) nval = mask - nval; if (AK_GET_NEEDSMSB(kcontrol->private_value)) nval |= 0x80; #ifdef CONFIG_DEBUG_PRINTK /* printk(KERN_DEBUG "DEBUG - AK writing reg: chip %x addr %x, nval %x\n", chip, addr, nval); */ #else /* ; #endif snd_akm4xxx_write(ak, chip, addr, nval); return 1; } static int snd_akm4xxx_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { unsigned int mask = AK_GET_MASK(kcontrol->private_value); unsigned int val = ucontrol->value.integer.value[0]; if (val > mask) return -EINVAL; return put_ak_reg(kcontrol, AK_GET_ADDR(kcontrol->private_value), val); } static int snd_akm4xxx_stereo_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { unsigned int mask = AK_GET_MASK(kcontrol->private_value); uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->count = 2; uinfo->value.integer.min = 0; uinfo->value.integer.max = mask; return 0; } static int snd_akm4xxx_stereo_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol); int chip = AK_GET_CHIP(kcontrol->private_value); int addr = AK_GET_ADDR(kcontrol->private_value); ucontrol->value.integer.value[0] = snd_akm4xxx_get_vol(ak, chip, addr); ucontrol->value.integer.value[1] = snd_akm4xxx_get_vol(ak, chip, addr+1); return 0; } static int snd_akm4xxx_stereo_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { int addr = AK_GET_ADDR(kcontrol->private_value); unsigned int mask = AK_GET_MASK(kcontrol->private_value); unsigned int val[2]; int change; val[0] = ucontrol->value.integer.value[0]; val[1] = ucontrol->value.integer.value[1]; if (val[0] > mask || val[1] > mask) return -EINVAL; change = put_ak_reg(kcontrol, addr, val[0]); change |= put_ak_reg(kcontrol, addr + 1, val[1]); return change; } static int snd_akm4xxx_deemphasis_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { static char *texts[4] = { "44.1kHz", "Off", "48kHz", "32kHz", }; uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; uinfo->count = 1; uinfo->value.enumerated.items = 4; if (uinfo->value.enumerated.item >= 4) uinfo->value.enumerated.item = 3; strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); return 0; } static int snd_akm4xxx_deemphasis_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol); int chip = AK_GET_CHIP(kcontrol->private_value); int addr = AK_GET_ADDR(kcontrol->private_value); int shift = AK_GET_SHIFT(kcontrol->private_value); ucontrol->value.enumerated.item[0] = (snd_akm4xxx_get(ak, chip, addr) >> shift) & 3; return 0; } static int snd_akm4xxx_deemphasis_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol); int chip = AK_GET_CHIP(kcontrol->private_value); int addr = AK_GET_ADDR(kcontrol->private_value); int shift = AK_GET_SHIFT(kcontrol->private_value); unsigned char nval = ucontrol->value.enumerated.item[0] & 3; int change; nval = (nval << shift) | (snd_akm4xxx_get(ak, chip, addr) & ~(3 << shift)); change = snd_akm4xxx_get(ak, chip, addr) != nval; if (change) snd_akm4xxx_write(ak, chip, addr, nval); return change; } #define ak4xxx_switch_info snd_ctl_boolean_mono_info static int ak4xxx_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol); int chip = AK_GET_CHIP(kcontrol->private_value); int addr = AK_GET_ADDR(kcontrol->private_value); int shift = AK_GET_SHIFT(kcontrol->private_value); int invert = AK_GET_INVERT(kcontrol->private_value); /* we observe the (1<<shift) bit only */ unsigned char val = snd_akm4xxx_get(ak, chip, addr) & (1<<shift); if (invert) val = ! val; ucontrol->value.integer.value[0] = (val & (1<<shift)) != 0; return 0; }