455 lines
15 KiB
C
455 lines
15 KiB
C
/*
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* PMac Burgundy lowlevel functions
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*
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* Copyright (c) by Takashi Iwai <tiwai@suse.de>
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* code based on dmasound.c.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <asm/io.h>
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#include <linux/init.h>
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#include <linux/slab.h>
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#include <linux/delay.h>
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#include <sound/core.h>
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#include "pmac.h"
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#include "burgundy.h"
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/* Waits for busy flag to clear */
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static inline void
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snd_pmac_burgundy_busy_wait(struct snd_pmac *chip)
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{
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int timeout = 50;
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while ((in_le32(&chip->awacs->codec_ctrl) & MASK_NEWECMD) && timeout--)
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udelay(1);
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if (! timeout)
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printk(KERN_DEBUG "burgundy_busy_wait: timeout\n");
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}
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static inline void
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snd_pmac_burgundy_extend_wait(struct snd_pmac *chip)
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{
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int timeout;
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timeout = 50;
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while (!(in_le32(&chip->awacs->codec_stat) & MASK_EXTEND) && timeout--)
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udelay(1);
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if (! timeout)
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printk(KERN_DEBUG "burgundy_extend_wait: timeout #1\n");
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timeout = 50;
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while ((in_le32(&chip->awacs->codec_stat) & MASK_EXTEND) && timeout--)
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udelay(1);
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if (! timeout)
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printk(KERN_DEBUG "burgundy_extend_wait: timeout #2\n");
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}
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static void
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snd_pmac_burgundy_wcw(struct snd_pmac *chip, unsigned addr, unsigned val)
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{
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out_le32(&chip->awacs->codec_ctrl, addr + 0x200c00 + (val & 0xff));
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snd_pmac_burgundy_busy_wait(chip);
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out_le32(&chip->awacs->codec_ctrl, addr + 0x200d00 +((val>>8) & 0xff));
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snd_pmac_burgundy_busy_wait(chip);
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out_le32(&chip->awacs->codec_ctrl, addr + 0x200e00 +((val>>16) & 0xff));
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snd_pmac_burgundy_busy_wait(chip);
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out_le32(&chip->awacs->codec_ctrl, addr + 0x200f00 +((val>>24) & 0xff));
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snd_pmac_burgundy_busy_wait(chip);
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}
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static unsigned
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snd_pmac_burgundy_rcw(struct snd_pmac *chip, unsigned addr)
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{
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unsigned val = 0;
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unsigned long flags;
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spin_lock_irqsave(&chip->reg_lock, flags);
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out_le32(&chip->awacs->codec_ctrl, addr + 0x100000);
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snd_pmac_burgundy_busy_wait(chip);
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snd_pmac_burgundy_extend_wait(chip);
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val += (in_le32(&chip->awacs->codec_stat) >> 4) & 0xff;
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out_le32(&chip->awacs->codec_ctrl, addr + 0x100100);
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snd_pmac_burgundy_busy_wait(chip);
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snd_pmac_burgundy_extend_wait(chip);
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val += ((in_le32(&chip->awacs->codec_stat)>>4) & 0xff) <<8;
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out_le32(&chip->awacs->codec_ctrl, addr + 0x100200);
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snd_pmac_burgundy_busy_wait(chip);
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snd_pmac_burgundy_extend_wait(chip);
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val += ((in_le32(&chip->awacs->codec_stat)>>4) & 0xff) <<16;
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out_le32(&chip->awacs->codec_ctrl, addr + 0x100300);
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snd_pmac_burgundy_busy_wait(chip);
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snd_pmac_burgundy_extend_wait(chip);
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val += ((in_le32(&chip->awacs->codec_stat)>>4) & 0xff) <<24;
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spin_unlock_irqrestore(&chip->reg_lock, flags);
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return val;
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}
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static void
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snd_pmac_burgundy_wcb(struct snd_pmac *chip, unsigned int addr, unsigned int val)
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{
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out_le32(&chip->awacs->codec_ctrl, addr + 0x300000 + (val & 0xff));
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snd_pmac_burgundy_busy_wait(chip);
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}
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static unsigned
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snd_pmac_burgundy_rcb(struct snd_pmac *chip, unsigned int addr)
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{
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unsigned val = 0;
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unsigned long flags;
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spin_lock_irqsave(&chip->reg_lock, flags);
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out_le32(&chip->awacs->codec_ctrl, addr + 0x100000);
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snd_pmac_burgundy_busy_wait(chip);
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snd_pmac_burgundy_extend_wait(chip);
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val += (in_le32(&chip->awacs->codec_stat) >> 4) & 0xff;
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spin_unlock_irqrestore(&chip->reg_lock, flags);
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return val;
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}
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/*
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* Burgundy volume: 0 - 100, stereo
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*/
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static void
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snd_pmac_burgundy_write_volume(struct snd_pmac *chip, unsigned int address,
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long *volume, int shift)
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{
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int hardvolume, lvolume, rvolume;
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if (volume[0] < 0 || volume[0] > 100 ||
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volume[1] < 0 || volume[1] > 100)
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return; /* -EINVAL */
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lvolume = volume[0] ? volume[0] + BURGUNDY_VOLUME_OFFSET : 0;
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rvolume = volume[1] ? volume[1] + BURGUNDY_VOLUME_OFFSET : 0;
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hardvolume = lvolume + (rvolume << shift);
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if (shift == 8)
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hardvolume |= hardvolume << 16;
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snd_pmac_burgundy_wcw(chip, address, hardvolume);
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}
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static void
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snd_pmac_burgundy_read_volume(struct snd_pmac *chip, unsigned int address,
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long *volume, int shift)
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{
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int wvolume;
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wvolume = snd_pmac_burgundy_rcw(chip, address);
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volume[0] = wvolume & 0xff;
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if (volume[0] >= BURGUNDY_VOLUME_OFFSET)
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volume[0] -= BURGUNDY_VOLUME_OFFSET;
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else
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volume[0] = 0;
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volume[1] = (wvolume >> shift) & 0xff;
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if (volume[1] >= BURGUNDY_VOLUME_OFFSET)
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volume[1] -= BURGUNDY_VOLUME_OFFSET;
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else
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volume[1] = 0;
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}
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/*
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*/
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#define BASE2ADDR(base) ((base) << 12)
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#define ADDR2BASE(addr) ((addr) >> 12)
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static int snd_pmac_burgundy_info_volume(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo)
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{
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uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
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uinfo->count = 2;
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uinfo->value.integer.min = 0;
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uinfo->value.integer.max = 100;
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return 0;
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}
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static int snd_pmac_burgundy_get_volume(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
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unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
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int shift = (kcontrol->private_value >> 8) & 0xff;
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snd_pmac_burgundy_read_volume(chip, addr, ucontrol->value.integer.value,
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shift);
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return 0;
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}
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static int snd_pmac_burgundy_put_volume(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
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unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
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int shift = (kcontrol->private_value >> 8) & 0xff;
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long nvoices[2];
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snd_pmac_burgundy_write_volume(chip, addr, ucontrol->value.integer.value,
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shift);
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snd_pmac_burgundy_read_volume(chip, addr, nvoices, shift);
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return (nvoices[0] != ucontrol->value.integer.value[0] ||
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nvoices[1] != ucontrol->value.integer.value[1]);
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}
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#define BURGUNDY_VOLUME(xname, xindex, addr, shift) \
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{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
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.info = snd_pmac_burgundy_info_volume,\
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.get = snd_pmac_burgundy_get_volume,\
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.put = snd_pmac_burgundy_put_volume,\
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.private_value = ((ADDR2BASE(addr) & 0xff) | ((shift) << 8)) }
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/* lineout/speaker */
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static int snd_pmac_burgundy_info_switch_out(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo)
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{
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int stereo = (kcontrol->private_value >> 24) & 1;
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uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
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uinfo->count = stereo + 1;
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uinfo->value.integer.min = 0;
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uinfo->value.integer.max = 1;
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return 0;
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}
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static int snd_pmac_burgundy_get_switch_out(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
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int lmask = kcontrol->private_value & 0xff;
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int rmask = (kcontrol->private_value >> 8) & 0xff;
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int stereo = (kcontrol->private_value >> 24) & 1;
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int val = snd_pmac_burgundy_rcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES);
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ucontrol->value.integer.value[0] = (val & lmask) ? 1 : 0;
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if (stereo)
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ucontrol->value.integer.value[1] = (val & rmask) ? 1 : 0;
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return 0;
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}
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static int snd_pmac_burgundy_put_switch_out(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
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int lmask = kcontrol->private_value & 0xff;
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int rmask = (kcontrol->private_value >> 8) & 0xff;
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int stereo = (kcontrol->private_value >> 24) & 1;
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int val, oval;
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oval = snd_pmac_burgundy_rcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES);
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val = oval & ~(lmask | rmask);
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if (ucontrol->value.integer.value[0])
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val |= lmask;
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if (stereo && ucontrol->value.integer.value[1])
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val |= rmask;
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snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES, val);
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return val != oval;
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}
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#define BURGUNDY_OUTPUT_SWITCH(xname, xindex, lmask, rmask, stereo) \
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{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
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.info = snd_pmac_burgundy_info_switch_out,\
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.get = snd_pmac_burgundy_get_switch_out,\
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.put = snd_pmac_burgundy_put_switch_out,\
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.private_value = ((lmask) | ((rmask) << 8) | ((stereo) << 24)) }
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/* line/speaker output volume */
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static int snd_pmac_burgundy_info_volume_out(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo)
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{
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int stereo = (kcontrol->private_value >> 24) & 1;
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uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
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uinfo->count = stereo + 1;
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uinfo->value.integer.min = 0;
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uinfo->value.integer.max = 15;
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return 0;
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}
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static int snd_pmac_burgundy_get_volume_out(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
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unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
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int stereo = (kcontrol->private_value >> 24) & 1;
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int oval;
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oval = ~snd_pmac_burgundy_rcb(chip, addr) & 0xff;
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ucontrol->value.integer.value[0] = oval & 0xf;
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if (stereo)
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ucontrol->value.integer.value[1] = (oval >> 4) & 0xf;
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return 0;
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}
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static int snd_pmac_burgundy_put_volume_out(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
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unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
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int stereo = (kcontrol->private_value >> 24) & 1;
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unsigned int oval, val;
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oval = ~snd_pmac_burgundy_rcb(chip, addr) & 0xff;
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val = ucontrol->value.integer.value[0] & 15;
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if (stereo)
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val |= (ucontrol->value.integer.value[1] & 15) << 4;
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else
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val |= val << 4;
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val = ~val & 0xff;
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snd_pmac_burgundy_wcb(chip, addr, val);
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return val != oval;
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}
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#define BURGUNDY_OUTPUT_VOLUME(xname, xindex, addr, stereo) \
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{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
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.info = snd_pmac_burgundy_info_volume_out,\
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.get = snd_pmac_burgundy_get_volume_out,\
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.put = snd_pmac_burgundy_put_volume_out,\
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.private_value = (ADDR2BASE(addr) | ((stereo) << 24)) }
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static struct snd_kcontrol_new snd_pmac_burgundy_mixers[] __initdata = {
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BURGUNDY_VOLUME("Master Playback Volume", 0, MASK_ADDR_BURGUNDY_MASTER_VOLUME, 8),
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BURGUNDY_VOLUME("Line Playback Volume", 0, MASK_ADDR_BURGUNDY_VOLLINE, 16),
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BURGUNDY_VOLUME("CD Playback Volume", 0, MASK_ADDR_BURGUNDY_VOLCD, 16),
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BURGUNDY_VOLUME("Mic Playback Volume", 0, MASK_ADDR_BURGUNDY_VOLMIC, 16),
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BURGUNDY_OUTPUT_VOLUME("PC Speaker Playback Volume", 0, MASK_ADDR_BURGUNDY_ATTENHP, 0),
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/*BURGUNDY_OUTPUT_VOLUME("PCM Playback Volume", 0, MASK_ADDR_BURGUNDY_ATTENLINEOUT, 1),*/
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BURGUNDY_OUTPUT_VOLUME("Headphone Playback Volume", 0, MASK_ADDR_BURGUNDY_ATTENSPEAKER, 1),
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};
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static struct snd_kcontrol_new snd_pmac_burgundy_master_sw __initdata =
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BURGUNDY_OUTPUT_SWITCH("Headphone Playback Switch", 0, BURGUNDY_OUTPUT_LEFT, BURGUNDY_OUTPUT_RIGHT, 1);
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static struct snd_kcontrol_new snd_pmac_burgundy_speaker_sw __initdata =
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BURGUNDY_OUTPUT_SWITCH("PC Speaker Playback Switch", 0, BURGUNDY_OUTPUT_INTERN, 0, 0);
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#ifdef PMAC_SUPPORT_AUTOMUTE
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/*
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* auto-mute stuffs
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*/
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static int snd_pmac_burgundy_detect_headphone(struct snd_pmac *chip)
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{
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return (in_le32(&chip->awacs->codec_stat) & chip->hp_stat_mask) ? 1 : 0;
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}
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static void snd_pmac_burgundy_update_automute(struct snd_pmac *chip, int do_notify)
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{
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if (chip->auto_mute) {
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int reg, oreg;
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reg = oreg = snd_pmac_burgundy_rcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES);
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reg &= ~(BURGUNDY_OUTPUT_LEFT | BURGUNDY_OUTPUT_RIGHT | BURGUNDY_OUTPUT_INTERN);
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if (snd_pmac_burgundy_detect_headphone(chip))
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reg |= BURGUNDY_OUTPUT_LEFT | BURGUNDY_OUTPUT_RIGHT;
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else
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reg |= BURGUNDY_OUTPUT_INTERN;
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if (do_notify && reg == oreg)
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return;
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snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES, reg);
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if (do_notify) {
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snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
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&chip->master_sw_ctl->id);
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snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
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&chip->speaker_sw_ctl->id);
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snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
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&chip->hp_detect_ctl->id);
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}
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}
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}
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#endif /* PMAC_SUPPORT_AUTOMUTE */
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/*
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* initialize burgundy
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*/
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int __init snd_pmac_burgundy_init(struct snd_pmac *chip)
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{
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int i, err;
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/* Checks to see the chip is alive and kicking */
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if ((in_le32(&chip->awacs->codec_ctrl) & MASK_ERRCODE) == 0xf0000) {
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printk(KERN_WARNING "pmac burgundy: disabled by MacOS :-(\n");
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return 1;
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}
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snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_OUTPUTENABLES,
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DEF_BURGUNDY_OUTPUTENABLES);
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snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES,
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DEF_BURGUNDY_MORE_OUTPUTENABLES);
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snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_OUTPUTSELECTS,
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DEF_BURGUNDY_OUTPUTSELECTS);
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snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_INPSEL21,
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DEF_BURGUNDY_INPSEL21);
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snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_INPSEL3,
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DEF_BURGUNDY_INPSEL3);
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snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINCD,
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DEF_BURGUNDY_GAINCD);
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snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINLINE,
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DEF_BURGUNDY_GAINLINE);
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snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINMIC,
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DEF_BURGUNDY_GAINMIC);
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snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINMODEM,
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DEF_BURGUNDY_GAINMODEM);
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snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_ATTENSPEAKER,
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DEF_BURGUNDY_ATTENSPEAKER);
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snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_ATTENLINEOUT,
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DEF_BURGUNDY_ATTENLINEOUT);
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snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_ATTENHP,
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DEF_BURGUNDY_ATTENHP);
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snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_MASTER_VOLUME,
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DEF_BURGUNDY_MASTER_VOLUME);
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snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_VOLCD,
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DEF_BURGUNDY_VOLCD);
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snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_VOLLINE,
|
|
DEF_BURGUNDY_VOLLINE);
|
|
snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_VOLMIC,
|
|
DEF_BURGUNDY_VOLMIC);
|
|
|
|
if (chip->hp_stat_mask == 0)
|
|
/* set headphone-jack detection bit */
|
|
chip->hp_stat_mask = 0x04;
|
|
|
|
/*
|
|
* build burgundy mixers
|
|
*/
|
|
strcpy(chip->card->mixername, "PowerMac Burgundy");
|
|
|
|
for (i = 0; i < ARRAY_SIZE(snd_pmac_burgundy_mixers); i++) {
|
|
if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_pmac_burgundy_mixers[i], chip))) < 0)
|
|
return err;
|
|
}
|
|
chip->master_sw_ctl = snd_ctl_new1(&snd_pmac_burgundy_master_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_burgundy_speaker_sw, chip);
|
|
if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0)
|
|
return err;
|
|
#ifdef PMAC_SUPPORT_AUTOMUTE
|
|
if ((err = snd_pmac_add_automute(chip)) < 0)
|
|
return err;
|
|
|
|
chip->detect_headphone = snd_pmac_burgundy_detect_headphone;
|
|
chip->update_automute = snd_pmac_burgundy_update_automute;
|
|
snd_pmac_burgundy_update_automute(chip, 0); /* update the status only */
|
|
#endif
|
|
|
|
return 0;
|
|
}
|