| /* |
| * Copyright (c) by Jaroslav Kysela <perex@suse.cz> |
| * Universal routines for AK4531 codec |
| * |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| */ |
| |
| #include <sound/driver.h> |
| #include <linux/delay.h> |
| #include <linux/init.h> |
| #include <linux/slab.h> |
| #include <sound/core.h> |
| #include <sound/ak4531_codec.h> |
| |
| MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>"); |
| MODULE_DESCRIPTION("Universal routines for AK4531 codec"); |
| MODULE_LICENSE("GPL"); |
| |
| static void snd_ak4531_proc_init(struct snd_card *card, struct snd_ak4531 *ak4531); |
| |
| /* |
| * |
| */ |
| |
| #if 0 |
| |
| static void snd_ak4531_dump(struct snd_ak4531 *ak4531) |
| { |
| int idx; |
| |
| for (idx = 0; idx < 0x19; idx++) |
| printk("ak4531 0x%x: 0x%x\n", idx, ak4531->regs[idx]); |
| } |
| |
| #endif |
| |
| /* |
| * |
| */ |
| |
| #define AK4531_SINGLE(xname, xindex, reg, shift, mask, invert) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ |
| .info = snd_ak4531_info_single, \ |
| .get = snd_ak4531_get_single, .put = snd_ak4531_put_single, \ |
| .private_value = reg | (shift << 16) | (mask << 24) | (invert << 22) } |
| |
| static int snd_ak4531_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
| { |
| int mask = (kcontrol->private_value >> 24) & 0xff; |
| |
| uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; |
| uinfo->count = 1; |
| uinfo->value.integer.min = 0; |
| uinfo->value.integer.max = mask; |
| return 0; |
| } |
| |
| static int snd_ak4531_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol); |
| int reg = kcontrol->private_value & 0xff; |
| int shift = (kcontrol->private_value >> 16) & 0x07; |
| int mask = (kcontrol->private_value >> 24) & 0xff; |
| int invert = (kcontrol->private_value >> 22) & 1; |
| int val; |
| |
| down(&ak4531->reg_mutex); |
| val = (ak4531->regs[reg] >> shift) & mask; |
| up(&ak4531->reg_mutex); |
| if (invert) { |
| val = mask - val; |
| } |
| ucontrol->value.integer.value[0] = val; |
| return 0; |
| } |
| |
| static int snd_ak4531_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol); |
| int reg = kcontrol->private_value & 0xff; |
| int shift = (kcontrol->private_value >> 16) & 0x07; |
| int mask = (kcontrol->private_value >> 24) & 0xff; |
| int invert = (kcontrol->private_value >> 22) & 1; |
| int change; |
| int val; |
| |
| val = ucontrol->value.integer.value[0] & mask; |
| if (invert) { |
| val = mask - val; |
| } |
| val <<= shift; |
| down(&ak4531->reg_mutex); |
| val = (ak4531->regs[reg] & ~(mask << shift)) | val; |
| change = val != ak4531->regs[reg]; |
| ak4531->write(ak4531, reg, ak4531->regs[reg] = val); |
| up(&ak4531->reg_mutex); |
| return change; |
| } |
| |
| #define AK4531_DOUBLE(xname, xindex, left_reg, right_reg, left_shift, right_shift, mask, invert) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ |
| .info = snd_ak4531_info_double, \ |
| .get = snd_ak4531_get_double, .put = snd_ak4531_put_double, \ |
| .private_value = left_reg | (right_reg << 8) | (left_shift << 16) | (right_shift << 19) | (mask << 24) | (invert << 22) } |
| |
| static int snd_ak4531_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
| { |
| int mask = (kcontrol->private_value >> 24) & 0xff; |
| |
| uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; |
| uinfo->count = 2; |
| uinfo->value.integer.min = 0; |
| uinfo->value.integer.max = mask; |
| return 0; |
| } |
| |
| static int snd_ak4531_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol); |
| int left_reg = kcontrol->private_value & 0xff; |
| int right_reg = (kcontrol->private_value >> 8) & 0xff; |
| int left_shift = (kcontrol->private_value >> 16) & 0x07; |
| int right_shift = (kcontrol->private_value >> 19) & 0x07; |
| int mask = (kcontrol->private_value >> 24) & 0xff; |
| int invert = (kcontrol->private_value >> 22) & 1; |
| int left, right; |
| |
| down(&ak4531->reg_mutex); |
| left = (ak4531->regs[left_reg] >> left_shift) & mask; |
| right = (ak4531->regs[right_reg] >> right_shift) & mask; |
| up(&ak4531->reg_mutex); |
| if (invert) { |
| left = mask - left; |
| right = mask - right; |
| } |
| ucontrol->value.integer.value[0] = left; |
| ucontrol->value.integer.value[1] = right; |
| return 0; |
| } |
| |
| static int snd_ak4531_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol); |
| int left_reg = kcontrol->private_value & 0xff; |
| int right_reg = (kcontrol->private_value >> 8) & 0xff; |
| int left_shift = (kcontrol->private_value >> 16) & 0x07; |
| int right_shift = (kcontrol->private_value >> 19) & 0x07; |
| int mask = (kcontrol->private_value >> 24) & 0xff; |
| int invert = (kcontrol->private_value >> 22) & 1; |
| int change; |
| int left, right; |
| |
| left = ucontrol->value.integer.value[0] & mask; |
| right = ucontrol->value.integer.value[1] & mask; |
| if (invert) { |
| left = mask - left; |
| right = mask - right; |
| } |
| left <<= left_shift; |
| right <<= right_shift; |
| down(&ak4531->reg_mutex); |
| if (left_reg == right_reg) { |
| left = (ak4531->regs[left_reg] & ~((mask << left_shift) | (mask << right_shift))) | left | right; |
| change = left != ak4531->regs[left_reg]; |
| ak4531->write(ak4531, left_reg, ak4531->regs[left_reg] = left); |
| } else { |
| left = (ak4531->regs[left_reg] & ~(mask << left_shift)) | left; |
| right = (ak4531->regs[right_reg] & ~(mask << right_shift)) | right; |
| change = left != ak4531->regs[left_reg] || right != ak4531->regs[right_reg]; |
| ak4531->write(ak4531, left_reg, ak4531->regs[left_reg] = left); |
| ak4531->write(ak4531, right_reg, ak4531->regs[right_reg] = right); |
| } |
| up(&ak4531->reg_mutex); |
| return change; |
| } |
| |
| #define AK4531_INPUT_SW(xname, xindex, reg1, reg2, left_shift, right_shift) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ |
| .info = snd_ak4531_info_input_sw, \ |
| .get = snd_ak4531_get_input_sw, .put = snd_ak4531_put_input_sw, \ |
| .private_value = reg1 | (reg2 << 8) | (left_shift << 16) | (right_shift << 24) } |
| |
| static int snd_ak4531_info_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
| { |
| uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
| uinfo->count = 4; |
| uinfo->value.integer.min = 0; |
| uinfo->value.integer.max = 1; |
| return 0; |
| } |
| |
| static int snd_ak4531_get_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol); |
| int reg1 = kcontrol->private_value & 0xff; |
| int reg2 = (kcontrol->private_value >> 8) & 0xff; |
| int left_shift = (kcontrol->private_value >> 16) & 0x0f; |
| int right_shift = (kcontrol->private_value >> 24) & 0x0f; |
| |
| down(&ak4531->reg_mutex); |
| ucontrol->value.integer.value[0] = (ak4531->regs[reg1] >> left_shift) & 1; |
| ucontrol->value.integer.value[1] = (ak4531->regs[reg2] >> left_shift) & 1; |
| ucontrol->value.integer.value[2] = (ak4531->regs[reg1] >> right_shift) & 1; |
| ucontrol->value.integer.value[3] = (ak4531->regs[reg2] >> right_shift) & 1; |
| up(&ak4531->reg_mutex); |
| return 0; |
| } |
| |
| static int snd_ak4531_put_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_ak4531 *ak4531 = snd_kcontrol_chip(kcontrol); |
| int reg1 = kcontrol->private_value & 0xff; |
| int reg2 = (kcontrol->private_value >> 8) & 0xff; |
| int left_shift = (kcontrol->private_value >> 16) & 0x0f; |
| int right_shift = (kcontrol->private_value >> 24) & 0x0f; |
| int change; |
| int val1, val2; |
| |
| down(&ak4531->reg_mutex); |
| val1 = ak4531->regs[reg1] & ~((1 << left_shift) | (1 << right_shift)); |
| val2 = ak4531->regs[reg2] & ~((1 << left_shift) | (1 << right_shift)); |
| val1 |= (ucontrol->value.integer.value[0] & 1) << left_shift; |
| val2 |= (ucontrol->value.integer.value[1] & 1) << left_shift; |
| val1 |= (ucontrol->value.integer.value[2] & 1) << right_shift; |
| val2 |= (ucontrol->value.integer.value[3] & 1) << right_shift; |
| change = val1 != ak4531->regs[reg1] || val2 != ak4531->regs[reg2]; |
| ak4531->write(ak4531, reg1, ak4531->regs[reg1] = val1); |
| ak4531->write(ak4531, reg2, ak4531->regs[reg2] = val2); |
| up(&ak4531->reg_mutex); |
| return change; |
| } |
| |
| static struct snd_kcontrol_new snd_ak4531_controls[] = { |
| |
| AK4531_DOUBLE("Master Playback Switch", 0, AK4531_LMASTER, AK4531_RMASTER, 7, 7, 1, 1), |
| AK4531_DOUBLE("Master Playback Volume", 0, AK4531_LMASTER, AK4531_RMASTER, 0, 0, 0x1f, 1), |
| |
| AK4531_SINGLE("Master Mono Playback Switch", 0, AK4531_MONO_OUT, 7, 1, 1), |
| AK4531_SINGLE("Master Mono Playback Volume", 0, AK4531_MONO_OUT, 0, 0x07, 1), |
| |
| AK4531_DOUBLE("PCM Switch", 0, AK4531_LVOICE, AK4531_RVOICE, 7, 7, 1, 1), |
| AK4531_DOUBLE("PCM Volume", 0, AK4531_LVOICE, AK4531_RVOICE, 0, 0, 0x1f, 1), |
| AK4531_DOUBLE("PCM Playback Switch", 0, AK4531_OUT_SW2, AK4531_OUT_SW2, 3, 2, 1, 0), |
| AK4531_DOUBLE("PCM Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 2, 2, 1, 0), |
| |
| AK4531_DOUBLE("PCM Switch", 1, AK4531_LFM, AK4531_RFM, 7, 7, 1, 1), |
| AK4531_DOUBLE("PCM Volume", 1, AK4531_LFM, AK4531_RFM, 0, 0, 0x1f, 1), |
| AK4531_DOUBLE("PCM Playback Switch", 1, AK4531_OUT_SW1, AK4531_OUT_SW1, 6, 5, 1, 0), |
| AK4531_INPUT_SW("PCM Capture Route", 1, AK4531_LIN_SW1, AK4531_RIN_SW1, 6, 5), |
| |
| AK4531_DOUBLE("CD Switch", 0, AK4531_LCD, AK4531_RCD, 7, 7, 1, 1), |
| AK4531_DOUBLE("CD Volume", 0, AK4531_LCD, AK4531_RCD, 0, 0, 0x1f, 1), |
| AK4531_DOUBLE("CD Playback Switch", 0, AK4531_OUT_SW1, AK4531_OUT_SW1, 2, 1, 1, 0), |
| AK4531_INPUT_SW("CD Capture Route", 0, AK4531_LIN_SW1, AK4531_RIN_SW1, 2, 1), |
| |
| AK4531_DOUBLE("Line Switch", 0, AK4531_LLINE, AK4531_RLINE, 7, 7, 1, 1), |
| AK4531_DOUBLE("Line Volume", 0, AK4531_LLINE, AK4531_RLINE, 0, 0, 0x1f, 1), |
| AK4531_DOUBLE("Line Playback Switch", 0, AK4531_OUT_SW1, AK4531_OUT_SW1, 4, 3, 1, 0), |
| AK4531_INPUT_SW("Line Capture Route", 0, AK4531_LIN_SW1, AK4531_RIN_SW1, 4, 3), |
| |
| AK4531_DOUBLE("Aux Switch", 0, AK4531_LAUXA, AK4531_RAUXA, 7, 7, 1, 1), |
| AK4531_DOUBLE("Aux Volume", 0, AK4531_LAUXA, AK4531_RAUXA, 0, 0, 0x1f, 1), |
| AK4531_DOUBLE("Aux Playback Switch", 0, AK4531_OUT_SW2, AK4531_OUT_SW2, 5, 4, 1, 0), |
| AK4531_INPUT_SW("Aux Capture Route", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 4, 3), |
| |
| AK4531_SINGLE("Mono Switch", 0, AK4531_MONO1, 7, 1, 1), |
| AK4531_SINGLE("Mono Volume", 0, AK4531_MONO1, 0, 0x1f, 1), |
| AK4531_SINGLE("Mono Playback Switch", 0, AK4531_OUT_SW2, 0, 1, 0), |
| AK4531_DOUBLE("Mono Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 0, 0, 1, 0), |
| |
| AK4531_SINGLE("Mono Switch", 1, AK4531_MONO2, 7, 1, 1), |
| AK4531_SINGLE("Mono Volume", 1, AK4531_MONO2, 0, 0x1f, 1), |
| AK4531_SINGLE("Mono Playback Switch", 1, AK4531_OUT_SW2, 1, 1, 0), |
| AK4531_DOUBLE("Mono Capture Switch", 1, AK4531_LIN_SW2, AK4531_RIN_SW2, 1, 1, 1, 0), |
| |
| AK4531_SINGLE("Mic Volume", 0, AK4531_MIC, 0, 0x1f, 1), |
| AK4531_SINGLE("Mic Switch", 0, AK4531_MIC, 7, 1, 1), |
| AK4531_SINGLE("Mic Playback Switch", 0, AK4531_OUT_SW1, 0, 1, 0), |
| AK4531_DOUBLE("Mic Capture Switch", 0, AK4531_LIN_SW1, AK4531_RIN_SW1, 0, 0, 1, 0), |
| |
| AK4531_DOUBLE("Mic Bypass Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 7, 7, 1, 0), |
| AK4531_DOUBLE("Mono1 Bypass Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 6, 6, 1, 0), |
| AK4531_DOUBLE("Mono2 Bypass Capture Switch", 0, AK4531_LIN_SW2, AK4531_RIN_SW2, 5, 5, 1, 0), |
| |
| AK4531_SINGLE("AD Input Select", 0, AK4531_AD_IN, 0, 1, 0), |
| AK4531_SINGLE("Mic Boost (+30dB)", 0, AK4531_MIC_GAIN, 0, 1, 0) |
| }; |
| |
| static int snd_ak4531_free(struct snd_ak4531 *ak4531) |
| { |
| if (ak4531) { |
| if (ak4531->private_free) |
| ak4531->private_free(ak4531); |
| kfree(ak4531); |
| } |
| return 0; |
| } |
| |
| static int snd_ak4531_dev_free(struct snd_device *device) |
| { |
| struct snd_ak4531 *ak4531 = device->device_data; |
| return snd_ak4531_free(ak4531); |
| } |
| |
| static u8 snd_ak4531_initial_map[0x19 + 1] = { |
| 0x9f, /* 00: Master Volume Lch */ |
| 0x9f, /* 01: Master Volume Rch */ |
| 0x9f, /* 02: Voice Volume Lch */ |
| 0x9f, /* 03: Voice Volume Rch */ |
| 0x9f, /* 04: FM Volume Lch */ |
| 0x9f, /* 05: FM Volume Rch */ |
| 0x9f, /* 06: CD Audio Volume Lch */ |
| 0x9f, /* 07: CD Audio Volume Rch */ |
| 0x9f, /* 08: Line Volume Lch */ |
| 0x9f, /* 09: Line Volume Rch */ |
| 0x9f, /* 0a: Aux Volume Lch */ |
| 0x9f, /* 0b: Aux Volume Rch */ |
| 0x9f, /* 0c: Mono1 Volume */ |
| 0x9f, /* 0d: Mono2 Volume */ |
| 0x9f, /* 0e: Mic Volume */ |
| 0x87, /* 0f: Mono-out Volume */ |
| 0x00, /* 10: Output Mixer SW1 */ |
| 0x00, /* 11: Output Mixer SW2 */ |
| 0x00, /* 12: Lch Input Mixer SW1 */ |
| 0x00, /* 13: Rch Input Mixer SW1 */ |
| 0x00, /* 14: Lch Input Mixer SW2 */ |
| 0x00, /* 15: Rch Input Mixer SW2 */ |
| 0x00, /* 16: Reset & Power Down */ |
| 0x00, /* 17: Clock Select */ |
| 0x00, /* 18: AD Input Select */ |
| 0x01 /* 19: Mic Amp Setup */ |
| }; |
| |
| int snd_ak4531_mixer(struct snd_card *card, struct snd_ak4531 *_ak4531, |
| struct snd_ak4531 **rak4531) |
| { |
| unsigned int idx; |
| int err; |
| struct snd_ak4531 *ak4531; |
| static struct snd_device_ops ops = { |
| .dev_free = snd_ak4531_dev_free, |
| }; |
| |
| snd_assert(rak4531 != NULL, return -EINVAL); |
| *rak4531 = NULL; |
| snd_assert(card != NULL && _ak4531 != NULL, return -EINVAL); |
| ak4531 = kzalloc(sizeof(*ak4531), GFP_KERNEL); |
| if (ak4531 == NULL) |
| return -ENOMEM; |
| *ak4531 = *_ak4531; |
| init_MUTEX(&ak4531->reg_mutex); |
| if ((err = snd_component_add(card, "AK4531")) < 0) { |
| snd_ak4531_free(ak4531); |
| return err; |
| } |
| strcpy(card->mixername, "Asahi Kasei AK4531"); |
| ak4531->write(ak4531, AK4531_RESET, 0x03); /* no RST, PD */ |
| udelay(100); |
| ak4531->write(ak4531, AK4531_CLOCK, 0x00); /* CODEC ADC and CODEC DAC use {LR,B}CLK2 and run off LRCLK2 PLL */ |
| for (idx = 0; idx < 0x19; idx++) { |
| if (idx == AK4531_RESET || idx == AK4531_CLOCK) |
| continue; |
| ak4531->write(ak4531, idx, ak4531->regs[idx] = snd_ak4531_initial_map[idx]); /* recording source is mixer */ |
| } |
| for (idx = 0; idx < ARRAY_SIZE(snd_ak4531_controls); idx++) { |
| if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ak4531_controls[idx], ak4531))) < 0) { |
| snd_ak4531_free(ak4531); |
| return err; |
| } |
| } |
| snd_ak4531_proc_init(card, ak4531); |
| if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ak4531, &ops)) < 0) { |
| snd_ak4531_free(ak4531); |
| return err; |
| } |
| |
| #if 0 |
| snd_ak4531_dump(ak4531); |
| #endif |
| *rak4531 = ak4531; |
| return 0; |
| } |
| |
| /* |
| |
| */ |
| |
| static void snd_ak4531_proc_read(struct snd_info_entry *entry, |
| struct snd_info_buffer *buffer) |
| { |
| struct snd_ak4531 *ak4531 = entry->private_data; |
| |
| snd_iprintf(buffer, "Asahi Kasei AK4531\n\n"); |
| snd_iprintf(buffer, "Recording source : %s\n" |
| "MIC gain : %s\n", |
| ak4531->regs[AK4531_AD_IN] & 1 ? "external" : "mixer", |
| ak4531->regs[AK4531_MIC_GAIN] & 1 ? "+30dB" : "+0dB"); |
| } |
| |
| static void snd_ak4531_proc_init(struct snd_card *card, struct snd_ak4531 *ak4531) |
| { |
| struct snd_info_entry *entry; |
| |
| if (! snd_card_proc_new(card, "ak4531", &entry)) |
| snd_info_set_text_ops(entry, ak4531, 1024, snd_ak4531_proc_read); |
| } |
| |
| EXPORT_SYMBOL(snd_ak4531_mixer); |
| |
| /* |
| * INIT part |
| */ |
| |
| static int __init alsa_ak4531_init(void) |
| { |
| return 0; |
| } |
| |
| static void __exit alsa_ak4531_exit(void) |
| { |
| } |
| |
| module_init(alsa_ak4531_init) |
| module_exit(alsa_ak4531_exit) |