diff options
Diffstat (limited to 'sound/ppc/awacs.c')
| -rw-r--r-- | sound/ppc/awacs.c | 903 |
1 files changed, 903 insertions, 0 deletions
diff --git a/sound/ppc/awacs.c b/sound/ppc/awacs.c new file mode 100644 index 0000000..e052bd0 --- /dev/null +++ b/sound/ppc/awacs.c @@ -0,0 +1,903 @@ +/* + * PMac AWACS lowlevel functions + * + * Copyright (c) by Takashi Iwai <tiwai@suse.de> + * code based on dmasound.c. + * + * 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 <asm/io.h> +#include <asm/nvram.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/slab.h> +#include <sound/core.h> +#include "pmac.h" + + +#ifdef CONFIG_ADB_CUDA +#define PMAC_AMP_AVAIL +#endif + +#ifdef PMAC_AMP_AVAIL +typedef struct awacs_amp { + unsigned char amp_master; + unsigned char amp_vol[2][2]; + unsigned char amp_tone[2]; +} awacs_amp_t; + +#define CHECK_CUDA_AMP() (sys_ctrler == SYS_CTRLER_CUDA) + +#endif /* PMAC_AMP_AVAIL */ + + +static void snd_pmac_screamer_wait(pmac_t *chip) +{ + long timeout = 2000; + while (!(in_le32(&chip->awacs->codec_stat) & MASK_VALID)) { + mdelay(1); + if (! --timeout) { + snd_printd("snd_pmac_screamer_wait timeout\n"); + break; + } + } +} + +/* + * write AWACS register + */ +static void +snd_pmac_awacs_write(pmac_t *chip, int val) +{ + long timeout = 5000000; + + if (chip->model == PMAC_SCREAMER) + snd_pmac_screamer_wait(chip); + out_le32(&chip->awacs->codec_ctrl, val | (chip->subframe << 22)); + while (in_le32(&chip->awacs->codec_ctrl) & MASK_NEWECMD) { + if (! --timeout) { + snd_printd("snd_pmac_awacs_write timeout\n"); + break; + } + } +} + +static void +snd_pmac_awacs_write_reg(pmac_t *chip, int reg, int val) +{ + snd_pmac_awacs_write(chip, val | (reg << 12)); + chip->awacs_reg[reg] = val; +} + +static void +snd_pmac_awacs_write_noreg(pmac_t *chip, int reg, int val) +{ + snd_pmac_awacs_write(chip, val | (reg << 12)); +} + +#ifdef CONFIG_PMAC_PBOOK +/* Recalibrate chip */ +static void screamer_recalibrate(pmac_t *chip) +{ + if (chip->model != PMAC_SCREAMER) + return; + + /* Sorry for the horrible delays... I hope to get that improved + * by making the whole PM process asynchronous in a future version + */ + snd_pmac_awacs_write_noreg(chip, 1, chip->awacs_reg[1]); + if (chip->manufacturer == 0x1) + /* delay for broken crystal part */ + big_mdelay(750); + snd_pmac_awacs_write_noreg(chip, 1, + chip->awacs_reg[1] | MASK_RECALIBRATE | MASK_CMUTE | MASK_AMUTE); + snd_pmac_awacs_write_noreg(chip, 1, chip->awacs_reg[1]); + snd_pmac_awacs_write_noreg(chip, 6, chip->awacs_reg[6]); +} + +#else +#define screamer_recalibrate(chip) /* NOP */ +#endif + + +/* + * additional callback to set the pcm format + */ +static void snd_pmac_awacs_set_format(pmac_t *chip) +{ + chip->awacs_reg[1] &= ~MASK_SAMPLERATE; + chip->awacs_reg[1] |= chip->rate_index << 3; + snd_pmac_awacs_write_reg(chip, 1, chip->awacs_reg[1]); +} + + +/* + * AWACS volume callbacks + */ +/* + * volumes: 0-15 stereo + */ +static int snd_pmac_awacs_info_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 2; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = 15; + return 0; +} + +static int snd_pmac_awacs_get_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) +{ + pmac_t *chip = snd_kcontrol_chip(kcontrol); + int reg = kcontrol->private_value & 0xff; + int lshift = (kcontrol->private_value >> 8) & 0xff; + int inverted = (kcontrol->private_value >> 16) & 1; + unsigned long flags; + int vol[2]; + + spin_lock_irqsave(&chip->reg_lock, flags); + vol[0] = (chip->awacs_reg[reg] >> lshift) & 0xf; + vol[1] = chip->awacs_reg[reg] & 0xf; + spin_unlock_irqrestore(&chip->reg_lock, flags); + if (inverted) { + vol[0] = 0x0f - vol[0]; + vol[1] = 0x0f - vol[1]; + } + ucontrol->value.integer.value[0] = vol[0]; + ucontrol->value.integer.value[1] = vol[1]; + return 0; +} + +static int snd_pmac_awacs_put_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) +{ + pmac_t *chip = snd_kcontrol_chip(kcontrol); + int reg = kcontrol->private_value & 0xff; + int lshift = (kcontrol->private_value >> 8) & 0xff; + int inverted = (kcontrol->private_value >> 16) & 1; + int val, oldval; + unsigned long flags; + int vol[2]; + + vol[0] = ucontrol->value.integer.value[0]; + vol[1] = ucontrol->value.integer.value[1]; + if (inverted) { + vol[0] = 0x0f - vol[0]; + vol[1] = 0x0f - vol[1]; + } + vol[0] &= 0x0f; + vol[1] &= 0x0f; + spin_lock_irqsave(&chip->reg_lock, flags); + oldval = chip->awacs_reg[reg]; + val = oldval & ~(0xf | (0xf << lshift)); + val |= vol[0] << lshift; + val |= vol[1]; + if (oldval != val) + snd_pmac_awacs_write_reg(chip, reg, val); + spin_unlock_irqrestore(&chip->reg_lock, flags); + return oldval != reg; +} + + +#define AWACS_VOLUME(xname, xreg, xshift, xinverted) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0, \ + .info = snd_pmac_awacs_info_volume, \ + .get = snd_pmac_awacs_get_volume, \ + .put = snd_pmac_awacs_put_volume, \ + .private_value = (xreg) | ((xshift) << 8) | ((xinverted) << 16) } + +/* + * mute master/ogain for AWACS: mono + */ +static int snd_pmac_awacs_get_switch(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) +{ + pmac_t *chip = snd_kcontrol_chip(kcontrol); + int reg = kcontrol->private_value & 0xff; + int shift = (kcontrol->private_value >> 8) & 0xff; + int invert = (kcontrol->private_value >> 16) & 1; + int val; + unsigned long flags; + + spin_lock_irqsave(&chip->reg_lock, flags); + val = (chip->awacs_reg[reg] >> shift) & 1; + spin_unlock_irqrestore(&chip->reg_lock, flags); + if (invert) + val = 1 - val; + ucontrol->value.integer.value[0] = val; + return 0; +} + +static int snd_pmac_awacs_put_switch(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) +{ + pmac_t *chip = snd_kcontrol_chip(kcontrol); + int reg = kcontrol->private_value & 0xff; + int shift = (kcontrol->private_value >> 8) & 0xff; + int invert = (kcontrol->private_value >> 16) & 1; + int mask = 1 << shift; + int val, changed; + unsigned long flags; + + spin_lock_irqsave(&chip->reg_lock, flags); + val = chip->awacs_reg[reg] & ~mask; + if (ucontrol->value.integer.value[0] != invert) + val |= mask; + changed = chip->awacs_reg[reg] != val; + if (changed) + snd_pmac_awacs_write_reg(chip, reg, val); + spin_unlock_irqrestore(&chip->reg_lock, flags); + return changed; +} + +#define AWACS_SWITCH(xname, xreg, xshift, xinvert) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0, \ + .info = snd_pmac_boolean_mono_info, \ + .get = snd_pmac_awacs_get_switch, \ + .put = snd_pmac_awacs_put_switch, \ + .private_value = (xreg) | ((xshift) << 8) | ((xinvert) << 16) } + + +#ifdef PMAC_AMP_AVAIL +/* + * controls for perch/whisper extension cards, e.g. G3 desktop + * + * TDA7433 connected via i2c address 0x45 (= 0x8a), + * accessed through cuda + */ +static void awacs_set_cuda(int reg, int val) +{ + struct adb_request req; + cuda_request(&req, NULL, 5, CUDA_PACKET, CUDA_GET_SET_IIC, 0x8a, reg, val); + while (! req.complete) + cuda_poll(); +} + +/* + * level = 0 - 14, 7 = 0 dB + */ +static void awacs_amp_set_tone(awacs_amp_t *amp, int bass, int treble) +{ + amp->amp_tone[0] = bass; + amp->amp_tone[1] = treble; + if (bass > 7) + bass = (14 - bass) + 8; + if (treble > 7) + treble = (14 - treble) + 8; + awacs_set_cuda(2, (bass << 4) | treble); +} + +/* + * vol = 0 - 31 (attenuation), 32 = mute bit, stereo + */ +static int awacs_amp_set_vol(awacs_amp_t *amp, int index, int lvol, int rvol, int do_check) +{ + if (do_check && amp->amp_vol[index][0] == lvol && + amp->amp_vol[index][1] == rvol) + return 0; + awacs_set_cuda(3 + index, lvol); + awacs_set_cuda(5 + index, rvol); + amp->amp_vol[index][0] = lvol; + amp->amp_vol[index][1] = rvol; + return 1; +} + +/* + * 0 = -79 dB, 79 = 0 dB, 99 = +20 dB + */ +static void awacs_amp_set_master(awacs_amp_t *amp, int vol) +{ + amp->amp_master = vol; + if (vol <= 79) + vol = 32 + (79 - vol); + else + vol = 32 - (vol - 79); + awacs_set_cuda(1, vol); +} + +static void awacs_amp_free(pmac_t *chip) +{ + awacs_amp_t *amp = chip->mixer_data; + snd_assert(amp, return); + kfree(amp); + chip->mixer_data = NULL; + chip->mixer_free = NULL; +} + + +/* + * mixer controls + */ +static int snd_pmac_awacs_info_volume_amp(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 2; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = 31; + return 0; +} + +static int snd_pmac_awacs_get_volume_amp(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) +{ + pmac_t *chip = snd_kcontrol_chip(kcontrol); + int index = kcontrol->private_value; + awacs_amp_t *amp = chip->mixer_data; + snd_assert(amp, return -EINVAL); + snd_assert(index >= 0 && index <= 1, return -EINVAL); + ucontrol->value.integer.value[0] = 31 - (amp->amp_vol[index][0] & 31); + ucontrol->value.integer.value[1] = 31 - (amp->amp_vol[index][1] & 31); + return 0; +} + +static int snd_pmac_awacs_put_volume_amp(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) +{ + pmac_t *chip = snd_kcontrol_chip(kcontrol); + int index = kcontrol->private_value; + int vol[2]; + awacs_amp_t *amp = chip->mixer_data; + snd_assert(amp, return -EINVAL); + snd_assert(index >= 0 && index <= 1, return -EINVAL); + + vol[0] = (31 - (ucontrol->value.integer.value[0] & 31)) | (amp->amp_vol[index][0] & 32); + vol[1] = (31 - (ucontrol->value.integer.value[1] & 31)) | (amp->amp_vol[index][1] & 32); + return awacs_amp_set_vol(amp, index, vol[0], vol[1], 1); +} + +static int snd_pmac_awacs_get_switch_amp(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) +{ + pmac_t *chip = snd_kcontrol_chip(kcontrol); + int index = kcontrol->private_value; + awacs_amp_t *amp = chip->mixer_data; + snd_assert(amp, return -EINVAL); + snd_assert(index >= 0 && index <= 1, return -EINVAL); + ucontrol->value.integer.value[0] = (amp->amp_vol[index][0] & 32) ? 0 : 1; + ucontrol->value.integer.value[1] = (amp->amp_vol[index][1] & 32) ? 0 : 1; + return 0; +} + +static int snd_pmac_awacs_put_switch_amp(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) +{ + pmac_t *chip = snd_kcontrol_chip(kcontrol); + int index = kcontrol->private_value; + int vol[2]; + awacs_amp_t *amp = chip->mixer_data; + snd_assert(amp, return -EINVAL); + snd_assert(index >= 0 && index <= 1, return -EINVAL); + + vol[0] = (ucontrol->value.integer.value[0] ? 0 : 32) | (amp->amp_vol[index][0] & 31); + vol[1] = (ucontrol->value.integer.value[1] ? 0 : 32) | (amp->amp_vol[index][1] & 31); + return awacs_amp_set_vol(amp, index, vol[0], vol[1], 1); +} + +static int snd_pmac_awacs_info_tone_amp(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 1; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = 14; + return 0; +} + +static int snd_pmac_awacs_get_tone_amp(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) +{ + pmac_t *chip = snd_kcontrol_chip(kcontrol); + int index = kcontrol->private_value; + awacs_amp_t *amp = chip->mixer_data; + snd_assert(amp, return -EINVAL); + snd_assert(index >= 0 && index <= 1, return -EINVAL); + ucontrol->value.integer.value[0] = amp->amp_tone[index]; + return 0; +} + +static int snd_pmac_awacs_put_tone_amp(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) +{ + pmac_t *chip = snd_kcontrol_chip(kcontrol); + int index = kcontrol->private_value; + awacs_amp_t *amp = chip->mixer_data; + snd_assert(amp, return -EINVAL); + snd_assert(index >= 0 && index <= 1, return -EINVAL); + if (ucontrol->value.integer.value[0] != amp->amp_tone[index]) { + amp->amp_tone[index] = ucontrol->value.integer.value[0]; + awacs_amp_set_tone(amp, amp->amp_tone[0], amp->amp_tone[1]); + return 1; + } + return 0; +} + +static int snd_pmac_awacs_info_master_amp(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 1; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = 99; + return 0; +} + +static int snd_pmac_awacs_get_master_amp(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) +{ + pmac_t *chip = snd_kcontrol_chip(kcontrol); + awacs_amp_t *amp = chip->mixer_data; + snd_assert(amp, return -EINVAL); + ucontrol->value.integer.value[0] = amp->amp_master; + return 0; +} + +static int snd_pmac_awacs_put_master_amp(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) +{ + pmac_t *chip = snd_kcontrol_chip(kcontrol); + awacs_amp_t *amp = chip->mixer_data; + snd_assert(amp, return -EINVAL); + if (ucontrol->value.integer.value[0] != amp->amp_master) { + amp->amp_master = ucontrol->value.integer.value[0]; + awacs_amp_set_master(amp, amp->amp_master); + return 1; + } + return 0; +} + +#define AMP_CH_SPK 0 +#define AMP_CH_HD 1 + +static snd_kcontrol_new_t snd_pmac_awacs_amp_vol[] __initdata = { + { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "PC Speaker Playback Volume", + .info = snd_pmac_awacs_info_volume_amp, + .get = snd_pmac_awacs_get_volume_amp, + .put = snd_pmac_awacs_put_volume_amp, + .private_value = AMP_CH_SPK, + }, + { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Headphone Playback Volume", + .info = snd_pmac_awacs_info_volume_amp, + .get = snd_pmac_awacs_get_volume_amp, + .put = snd_pmac_awacs_put_volume_amp, + .private_value = AMP_CH_HD, + }, + { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Tone Control - Bass", + .info = snd_pmac_awacs_info_tone_amp, + .get = snd_pmac_awacs_get_tone_amp, + .put = snd_pmac_awacs_put_tone_amp, + .private_value = 0, + }, + { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Tone Control - Treble", + .info = snd_pmac_awacs_info_tone_amp, + .get = snd_pmac_awacs_get_tone_amp, + .put = snd_pmac_awacs_put_tone_amp, + .private_value = 1, + }, + { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Amp Master Playback Volume", + .info = snd_pmac_awacs_info_master_amp, + .get = snd_pmac_awacs_get_master_amp, + .put = snd_pmac_awacs_put_master_amp, + }, +}; + +static snd_kcontrol_new_t snd_pmac_awacs_amp_hp_sw __initdata = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Headphone Playback Switch", + .info = snd_pmac_boolean_stereo_info, + .get = snd_pmac_awacs_get_switch_amp, + .put = snd_pmac_awacs_put_switch_amp, + .private_value = AMP_CH_HD, +}; + +static snd_kcontrol_new_t snd_pmac_awacs_amp_spk_sw __initdata = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "PC Speaker Playback Switch", + .info = snd_pmac_boolean_stereo_info, + .get = snd_pmac_awacs_get_switch_amp, + .put = snd_pmac_awacs_put_switch_amp, + .private_value = AMP_CH_SPK, +}; + +#endif /* PMAC_AMP_AVAIL */ + + +/* + * mic boost for screamer + */ +static int snd_pmac_screamer_mic_boost_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 1; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = 2; + return 0; +} + +static int snd_pmac_screamer_mic_boost_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) +{ + pmac_t *chip = snd_kcontrol_chip(kcontrol); + int val; + unsigned long flags; + + spin_lock_irqsave(&chip->reg_lock, flags); + if (chip->awacs_reg[6] & MASK_MIC_BOOST) + val = 2; + else if (chip->awacs_reg[0] & MASK_GAINLINE) + val = 1; + else + val = 0; + spin_unlock_irqrestore(&chip->reg_lock, flags); + ucontrol->value.integer.value[0] = val; + return 0; +} + +static int snd_pmac_screamer_mic_boost_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) +{ + pmac_t *chip = snd_kcontrol_chip(kcontrol); + int changed = 0; + int val0, val6; + unsigned long flags; + + spin_lock_irqsave(&chip->reg_lock, flags); + val0 = chip->awacs_reg[0] & ~MASK_GAINLINE; + val6 = chip->awacs_reg[6] & ~MASK_MIC_BOOST; + if (ucontrol->value.integer.value[0] > 0) { + val0 |= MASK_GAINLINE; + if (ucontrol->value.integer.value[0] > 1) + val6 |= MASK_MIC_BOOST; + } + if (val0 != chip->awacs_reg[0]) { + snd_pmac_awacs_write_reg(chip, 0, val0); + changed = 1; + } + if (val6 != chip->awacs_reg[6]) { + snd_pmac_awacs_write_reg(chip, 6, val6); + changed = 1; + } + spin_unlock_irqrestore(&chip->reg_lock, flags); + return changed; +} + +/* + * lists of mixer elements + */ +static snd_kcontrol_new_t snd_pmac_awacs_mixers[] __initdata = { + AWACS_VOLUME("Master Playback Volume", 2, 6, 1), + AWACS_SWITCH("Master Capture Switch", 1, SHIFT_LOOPTHRU, 0), + AWACS_VOLUME("Capture Volume", 0, 4, 0), + AWACS_SWITCH("CD Capture Switch", 0, SHIFT_MUX_CD, 0), +}; + +/* FIXME: is this correct order? + * screamer (powerbook G3 pismo) seems to have different bits... + */ +static snd_kcontrol_new_t snd_pmac_awacs_mixers2[] __initdata = { + AWACS_SWITCH("Line Capture Switch", 0, SHIFT_MUX_LINE, 0), + AWACS_SWITCH("Mic Capture Switch", 0, SHIFT_MUX_MIC, 0), +}; + +static snd_kcontrol_new_t snd_pmac_screamer_mixers2[] __initdata = { + AWACS_SWITCH("Line Capture Switch", 0, SHIFT_MUX_MIC, 0), + AWACS_SWITCH("Mic Capture Switch", 0, SHIFT_MUX_LINE, 0), +}; + +static snd_kcontrol_new_t snd_pmac_awacs_master_sw __initdata = +AWACS_SWITCH("Master Playback Switch", 1, SHIFT_HDMUTE, 1); + +static snd_kcontrol_new_t snd_pmac_awacs_mic_boost[] __initdata = { + AWACS_SWITCH("Mic Boost", 0, SHIFT_GAINLINE, 0), +}; + +static snd_kcontrol_new_t snd_pmac_screamer_mic_boost[] __initdata = { + { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Mic Boost", + .info = snd_pmac_screamer_mic_boost_info, + .get = snd_pmac_screamer_mic_boost_get, + .put = snd_pmac_screamer_mic_boost_put, + }, +}; + +static snd_kcontrol_new_t snd_pmac_awacs_speaker_vol[] __initdata = { + AWACS_VOLUME("PC Speaker Playback Volume", 4, 6, 1), +}; +static snd_kcontrol_new_t snd_pmac_awacs_speaker_sw __initdata = +AWACS_SWITCH("PC Speaker Playback Switch", 1, SHIFT_SPKMUTE, 1); + + +/* + * add new mixer elements to the card + */ +static int build_mixers(pmac_t *chip, int nums, snd_kcontrol_new_t *mixers) +{ + int i, err; + + for (i = 0; i < nums; i++) { + if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&mixers[i], chip))) < 0) + return err; + } + return 0; +} + + +/* + * restore all registers + */ +static void awacs_restore_all_regs(pmac_t *chip) +{ + snd_pmac_awacs_write_noreg(chip, 0, chip->awacs_reg[0]); + snd_pmac_awacs_write_noreg(chip, 1, chip->awacs_reg[1]); + snd_pmac_awacs_write_noreg(chip, 2, chip->awacs_reg[2]); + snd_pmac_awacs_write_noreg(chip, 4, chip->awacs_reg[4]); + if (chip->model == PMAC_SCREAMER) { + snd_pmac_awacs_write_noreg(chip, 5, chip->awacs_reg[5]); + snd_pmac_awacs_write_noreg(chip, 6, chip->awacs_reg[6]); + snd_pmac_awacs_write_noreg(chip, 7, chip->awacs_reg[7]); + } +} + +#ifdef CONFIG_PMAC_PBOOK +static void snd_pmac_awacs_suspend(pmac_t *chip) +{ + snd_pmac_awacs_write_noreg(chip, 1, (chip->awacs_reg[1] + | MASK_AMUTE | MASK_CMUTE)); +} + +static void snd_pmac_awacs_resume(pmac_t *chip) +{ + if (machine_is_compatible("PowerBook3,1") + || machine_is_compatible("PowerBook3,2")) { + big_mdelay(100); + snd_pmac_awacs_write_reg(chip, 1, + chip->awacs_reg[1] & ~MASK_PAROUT); + big_mdelay(300); + } + + awacs_restore_all_regs(chip); + if (chip->model == PMAC_SCREAMER) { + /* reset power bits in reg 6 */ + mdelay(5); + snd_pmac_awacs_write_noreg(chip, 6, chip->awacs_reg[6]); + } + screamer_recalibrate(chip); +#ifdef PMAC_AMP_AVAIL + if (chip->mixer_data) { + awacs_amp_t *amp = chip->mixer_data; + awacs_amp_set_vol(amp, 0, amp->amp_vol[0][0], amp->amp_vol[0][1], 0); + awacs_amp_set_vol(amp, 1, amp->amp_vol[1][0], amp->amp_vol[1][1], 0); + awacs_amp_set_tone(amp, amp->amp_tone[0], amp->amp_tone[1]); + awacs_amp_set_master(amp, amp->amp_master); + } +#endif +} +#endif /* CONFIG_PMAC_PBOOK */ + +#ifdef PMAC_SUPPORT_AUTOMUTE +/* + * auto-mute stuffs + */ +static int snd_pmac_awacs_detect_headphone(pmac_t *chip) +{ + return (in_le32(&chip->awacs->codec_stat) & chip->hp_stat_mask) ? 1 : 0; +} + +#ifdef PMAC_AMP_AVAIL +static int toggle_amp_mute(awacs_amp_t *amp, int index, int mute) +{ + int vol[2]; + vol[0] = amp->amp_vol[index][0] & 31; + vol[1] = amp->amp_vol[index][1] & 31; + if (mute) { + vol[0] |= 32; + vol[1] |= 32; + } + return awacs_amp_set_vol(amp, index, vol[0], vol[1], 1); +} +#endif + +static void snd_pmac_awacs_update_automute(pmac_t *chip, int do_notify) +{ + if (chip->auto_mute) { +#ifdef PMAC_AMP_AVAIL + if (chip->mixer_data) { + awacs_amp_t *amp = chip->mixer_data; + int changed; + if (snd_pmac_awacs_detect_headphone(chip)) { + changed = toggle_amp_mute(amp, AMP_CH_HD, 0); + changed |= toggle_amp_mute(amp, AMP_CH_SPK, 1); + } else { + changed = toggle_amp_mute(amp, AMP_CH_HD, 1); + changed |= toggle_amp_mute(amp, AMP_CH_SPK, 0); + } + if (do_notify && ! changed) + return; + } else +#endif + { + int reg = chip->awacs_reg[1] | (MASK_HDMUTE|MASK_SPKMUTE); + if (snd_pmac_awacs_detect_headphone(chip)) + reg &= ~MASK_HDMUTE; + else + reg &= ~MASK_SPKMUTE; + if (do_notify && reg == chip->awacs_reg[1]) + return; + snd_pmac_awacs_write_reg(chip, 1, reg); + } + if (do_notify) { + snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, + &chip->master_sw_ctl->id); + snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, + &chip->speaker_sw_ctl->id); + snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, + &chip->hp_detect_ctl->id); + } + } +} +#endif /* PMAC_SUPPORT_AUTOMUTE */ + + +/* + * initialize chip + */ +int __init +snd_pmac_awacs_init(pmac_t *chip) +{ + int err, vol; + + /* looks like MASK_GAINLINE triggers something, so we set here + * as start-up + */ + chip->awacs_reg[0] = MASK_MUX_CD | 0xff | MASK_GAINLINE; + chip->awacs_reg[1] = MASK_CMUTE | MASK_AMUTE; + /* FIXME: Only machines with external SRS module need MASK_PAROUT */ + if (chip->has_iic || chip->device_id == 0x5 || + /*chip->_device_id == 0x8 || */ + chip->device_id == 0xb) + chip->awacs_reg[1] |= MASK_PAROUT; + /* get default volume from nvram */ + // vol = (~nvram_read_byte(0x1308) & 7) << 1; + // vol = ((pmac_xpram_read( 8 ) & 7 ) << 1 ); + vol = 0x0f; /* no, on alsa, muted as default */ + vol = vol + (vol << 6); + chip->awacs_reg[2] = vol; + chip->awacs_reg[4] = vol; + if (chip->model == PMAC_SCREAMER) { + chip->awacs_reg[5] = vol; /* FIXME: screamer has loopthru vol control */ + chip->awacs_reg[6] = MASK_MIC_BOOST; /* FIXME: maybe should be vol << 3 for PCMCIA speaker */ + chip->awacs_reg[7] = 0; + } + + awacs_restore_all_regs(chip); + chip->manufacturer = (in_le32(&chip->awacs->codec_stat) >> 8) & 0xf; + screamer_recalibrate(chip); + + chip->revision = (in_le32(&chip->awacs->codec_stat) >> 12) & 0xf; +#ifdef PMAC_AMP_AVAIL + if (chip->revision == 3 && chip->has_iic && CHECK_CUDA_AMP()) { + awacs_amp_t *amp = kmalloc(sizeof(*amp), GFP_KERNEL); + if (! amp) + return -ENOMEM; + chip->mixer_data = amp; + memset(amp, 0, sizeof(*amp)); + chip->mixer_free = awacs_amp_free; + awacs_amp_set_vol(amp, 0, 63, 63, 0); /* mute and zero vol */ + awacs_amp_set_vol(amp, 1, 63, 63, 0); + awacs_amp_set_tone(amp, 7, 7); /* 0 dB */ + awacs_amp_set_master(amp, 79); /* 0 dB */ + } +#endif /* PMAC_AMP_AVAIL */ + + if (chip->hp_stat_mask == 0) { + /* set headphone-jack detection bit */ + switch (chip->model) { + case PMAC_AWACS: + chip->hp_stat_mask = 0x04; + break; + case PMAC_SCREAMER: + switch (chip->device_id) { + case 0x08: + /* 1 = side jack, 2 = front jack */ + chip->hp_stat_mask = 0x03; + break; + case 0x00: + case 0x05: + chip->hp_stat_mask = 0x04; + break; + default: + chip->hp_stat_mask = 0x08; + break; + } + break; + default: + snd_BUG(); + break; + } + } + + /* + * build mixers + */ + strcpy(chip->card->mixername, "PowerMac AWACS"); + + if ((err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_mixers), + snd_pmac_awacs_mixers)) < 0) + return err; + if (chip->model == PMAC_SCREAMER) + err = build_mixers(chip, ARRAY_SIZE(snd_pmac_screamer_mixers2), + snd_pmac_screamer_mixers2); + else + err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_mixers2), + snd_pmac_awacs_mixers2); + if (err < 0) + return err; + chip->master_sw_ctl = snd_ctl_new1(&snd_pmac_awacs_master_sw, chip); + if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0) + return err; +#ifdef PMAC_AMP_AVAIL + if (chip->mixer_data) { + /* use amplifier. the signal is connected from route A + * to the amp. the amp has its headphone and speaker + * volumes and mute switches, so we use them instead of + * screamer registers. + * in this case, it seems the route C is not used. + */ + if ((err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_amp_vol), + snd_pmac_awacs_amp_vol)) < 0) + return err; + /* overwrite */ + chip->master_sw_ctl = snd_ctl_new1(&snd_pmac_awacs_amp_hp_sw, chip); + if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0) + return err; + chip->speaker_sw_ctl = snd_ctl_new1(&snd_pmac_awacs_amp_spk_sw, chip); + if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0) + return err; + } else +#endif /* PMAC_AMP_AVAIL */ + { + /* route A = headphone, route C = speaker */ + if ((err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_speaker_vol), + snd_pmac_awacs_speaker_vol)) < 0) + return err; + chip->speaker_sw_ctl = snd_ctl_new1(&snd_pmac_awacs_speaker_sw, chip); + if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0) + return err; + } + + if (chip->model == PMAC_SCREAMER) { + if ((err = build_mixers(chip, ARRAY_SIZE(snd_pmac_screamer_mic_boost), + snd_pmac_screamer_mic_boost)) < 0) + return err; + } else { + if ((err = build_mixers(chip, ARRAY_SIZE(snd_pmac_awacs_mic_boost), + snd_pmac_awacs_mic_boost)) < 0) + return err; + } + + /* + * set lowlevel callbacks + */ + chip->set_format = snd_pmac_awacs_set_format; +#ifdef CONFIG_PMAC_PBOOK + chip->suspend = snd_pmac_awacs_suspend; + chip->resume = snd_pmac_awacs_resume; +#endif +#ifdef PMAC_SUPPORT_AUTOMUTE + if ((err = snd_pmac_add_automute(chip)) < 0) + return err; + chip->detect_headphone = snd_pmac_awacs_detect_headphone; + chip->update_automute = snd_pmac_awacs_update_automute; + snd_pmac_awacs_update_automute(chip, 0); /* update the status only */ +#endif + if (chip->model == PMAC_SCREAMER) { + snd_pmac_awacs_write_noreg(chip, 6, chip->awacs_reg[6]); + snd_pmac_awacs_write_noreg(chip, 0, chip->awacs_reg[0]); + } + + return 0; +} |
