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burgundy.c
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burgundy.c
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/*
* PMac Burgundy 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 <asm/io.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <sound/core.h>
#include "pmac.h"
#include "burgundy.h"
/* Waits for busy flag to clear */
static inline void
snd_pmac_burgundy_busy_wait(struct snd_pmac *chip)
{
int timeout = 50;
while ((in_le32(&chip->awacs->codec_ctrl) & MASK_NEWECMD) && timeout--)
udelay(1);
if (! timeout)
printk(KERN_DEBUG "burgundy_busy_wait: timeout\n");
}
static inline void
snd_pmac_burgundy_extend_wait(struct snd_pmac *chip)
{
int timeout;
timeout = 50;
while (!(in_le32(&chip->awacs->codec_stat) & MASK_EXTEND) && timeout--)
udelay(1);
if (! timeout)
printk(KERN_DEBUG "burgundy_extend_wait: timeout #1\n");
timeout = 50;
while ((in_le32(&chip->awacs->codec_stat) & MASK_EXTEND) && timeout--)
udelay(1);
if (! timeout)
printk(KERN_DEBUG "burgundy_extend_wait: timeout #2\n");
}
static void
snd_pmac_burgundy_wcw(struct snd_pmac *chip, unsigned addr, unsigned val)
{
out_le32(&chip->awacs->codec_ctrl, addr + 0x200c00 + (val & 0xff));
snd_pmac_burgundy_busy_wait(chip);
out_le32(&chip->awacs->codec_ctrl, addr + 0x200d00 +((val>>8) & 0xff));
snd_pmac_burgundy_busy_wait(chip);
out_le32(&chip->awacs->codec_ctrl, addr + 0x200e00 +((val>>16) & 0xff));
snd_pmac_burgundy_busy_wait(chip);
out_le32(&chip->awacs->codec_ctrl, addr + 0x200f00 +((val>>24) & 0xff));
snd_pmac_burgundy_busy_wait(chip);
}
static unsigned
snd_pmac_burgundy_rcw(struct snd_pmac *chip, unsigned addr)
{
unsigned val = 0;
unsigned long flags;
spin_lock_irqsave(&chip->reg_lock, flags);
out_le32(&chip->awacs->codec_ctrl, addr + 0x100000);
snd_pmac_burgundy_busy_wait(chip);
snd_pmac_burgundy_extend_wait(chip);
val += (in_le32(&chip->awacs->codec_stat) >> 4) & 0xff;
out_le32(&chip->awacs->codec_ctrl, addr + 0x100100);
snd_pmac_burgundy_busy_wait(chip);
snd_pmac_burgundy_extend_wait(chip);
val += ((in_le32(&chip->awacs->codec_stat)>>4) & 0xff) <<8;
out_le32(&chip->awacs->codec_ctrl, addr + 0x100200);
snd_pmac_burgundy_busy_wait(chip);
snd_pmac_burgundy_extend_wait(chip);
val += ((in_le32(&chip->awacs->codec_stat)>>4) & 0xff) <<16;
out_le32(&chip->awacs->codec_ctrl, addr + 0x100300);
snd_pmac_burgundy_busy_wait(chip);
snd_pmac_burgundy_extend_wait(chip);
val += ((in_le32(&chip->awacs->codec_stat)>>4) & 0xff) <<24;
spin_unlock_irqrestore(&chip->reg_lock, flags);
return val;
}
static void
snd_pmac_burgundy_wcb(struct snd_pmac *chip, unsigned int addr, unsigned int val)
{
out_le32(&chip->awacs->codec_ctrl, addr + 0x300000 + (val & 0xff));
snd_pmac_burgundy_busy_wait(chip);
}
static unsigned
snd_pmac_burgundy_rcb(struct snd_pmac *chip, unsigned int addr)
{
unsigned val = 0;
unsigned long flags;
spin_lock_irqsave(&chip->reg_lock, flags);
out_le32(&chip->awacs->codec_ctrl, addr + 0x100000);
snd_pmac_burgundy_busy_wait(chip);
snd_pmac_burgundy_extend_wait(chip);
val += (in_le32(&chip->awacs->codec_stat) >> 4) & 0xff;
spin_unlock_irqrestore(&chip->reg_lock, flags);
return val;
}
/*
* Burgundy volume: 0 - 100, stereo
*/
static void
snd_pmac_burgundy_write_volume(struct snd_pmac *chip, unsigned int address,
long *volume, int shift)
{
int hardvolume, lvolume, rvolume;
if (volume[0] < 0 || volume[0] > 100 ||
volume[1] < 0 || volume[1] > 100)
return; /* -EINVAL */
lvolume = volume[0] ? volume[0] + BURGUNDY_VOLUME_OFFSET : 0;
rvolume = volume[1] ? volume[1] + BURGUNDY_VOLUME_OFFSET : 0;
hardvolume = lvolume + (rvolume << shift);
if (shift == 8)
hardvolume |= hardvolume << 16;
snd_pmac_burgundy_wcw(chip, address, hardvolume);
}
static void
snd_pmac_burgundy_read_volume(struct snd_pmac *chip, unsigned int address,
long *volume, int shift)
{
int wvolume;
wvolume = snd_pmac_burgundy_rcw(chip, address);
volume[0] = wvolume & 0xff;
if (volume[0] >= BURGUNDY_VOLUME_OFFSET)
volume[0] -= BURGUNDY_VOLUME_OFFSET;
else
volume[0] = 0;
volume[1] = (wvolume >> shift) & 0xff;
if (volume[1] >= BURGUNDY_VOLUME_OFFSET)
volume[1] -= BURGUNDY_VOLUME_OFFSET;
else
volume[1] = 0;
}
/*
*/
#define BASE2ADDR(base) ((base) << 12)
#define ADDR2BASE(addr) ((addr) >> 12)
static int snd_pmac_burgundy_info_volume(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 2;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = 100;
return 0;
}
static int snd_pmac_burgundy_get_volume(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
int shift = (kcontrol->private_value >> 8) & 0xff;
snd_pmac_burgundy_read_volume(chip, addr, ucontrol->value.integer.value,
shift);
return 0;
}
static int snd_pmac_burgundy_put_volume(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
int shift = (kcontrol->private_value >> 8) & 0xff;
long nvoices[2];
snd_pmac_burgundy_write_volume(chip, addr, ucontrol->value.integer.value,
shift);
snd_pmac_burgundy_read_volume(chip, addr, nvoices, shift);
return (nvoices[0] != ucontrol->value.integer.value[0] ||
nvoices[1] != ucontrol->value.integer.value[1]);
}
#define BURGUNDY_VOLUME(xname, xindex, addr, shift) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
.info = snd_pmac_burgundy_info_volume,\
.get = snd_pmac_burgundy_get_volume,\
.put = snd_pmac_burgundy_put_volume,\
.private_value = ((ADDR2BASE(addr) & 0xff) | ((shift) << 8)) }
/* lineout/speaker */
static int snd_pmac_burgundy_info_switch_out(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
int stereo = (kcontrol->private_value >> 24) & 1;
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
uinfo->count = stereo + 1;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = 1;
return 0;
}
static int snd_pmac_burgundy_get_switch_out(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
int lmask = kcontrol->private_value & 0xff;
int rmask = (kcontrol->private_value >> 8) & 0xff;
int stereo = (kcontrol->private_value >> 24) & 1;
int val = snd_pmac_burgundy_rcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES);
ucontrol->value.integer.value[0] = (val & lmask) ? 1 : 0;
if (stereo)
ucontrol->value.integer.value[1] = (val & rmask) ? 1 : 0;
return 0;
}
static int snd_pmac_burgundy_put_switch_out(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
int lmask = kcontrol->private_value & 0xff;
int rmask = (kcontrol->private_value >> 8) & 0xff;
int stereo = (kcontrol->private_value >> 24) & 1;
int val, oval;
oval = snd_pmac_burgundy_rcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES);
val = oval & ~(lmask | rmask);
if (ucontrol->value.integer.value[0])
val |= lmask;
if (stereo && ucontrol->value.integer.value[1])
val |= rmask;
snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES, val);
return val != oval;
}
#define BURGUNDY_OUTPUT_SWITCH(xname, xindex, lmask, rmask, stereo) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
.info = snd_pmac_burgundy_info_switch_out,\
.get = snd_pmac_burgundy_get_switch_out,\
.put = snd_pmac_burgundy_put_switch_out,\
.private_value = ((lmask) | ((rmask) << 8) | ((stereo) << 24)) }
/* line/speaker output volume */
static int snd_pmac_burgundy_info_volume_out(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
int stereo = (kcontrol->private_value >> 24) & 1;
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = stereo + 1;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = 15;
return 0;
}
static int snd_pmac_burgundy_get_volume_out(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
int stereo = (kcontrol->private_value >> 24) & 1;
int oval;
oval = ~snd_pmac_burgundy_rcb(chip, addr) & 0xff;
ucontrol->value.integer.value[0] = oval & 0xf;
if (stereo)
ucontrol->value.integer.value[1] = (oval >> 4) & 0xf;
return 0;
}
static int snd_pmac_burgundy_put_volume_out(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
int stereo = (kcontrol->private_value >> 24) & 1;
unsigned int oval, val;
oval = ~snd_pmac_burgundy_rcb(chip, addr) & 0xff;
val = ucontrol->value.integer.value[0] & 15;
if (stereo)
val |= (ucontrol->value.integer.value[1] & 15) << 4;
else
val |= val << 4;
val = ~val & 0xff;
snd_pmac_burgundy_wcb(chip, addr, val);
return val != oval;
}
#define BURGUNDY_OUTPUT_VOLUME(xname, xindex, addr, stereo) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
.info = snd_pmac_burgundy_info_volume_out,\
.get = snd_pmac_burgundy_get_volume_out,\
.put = snd_pmac_burgundy_put_volume_out,\
.private_value = (ADDR2BASE(addr) | ((stereo) << 24)) }
static struct snd_kcontrol_new snd_pmac_burgundy_mixers[] __initdata = {
BURGUNDY_VOLUME("Master Playback Volume", 0, MASK_ADDR_BURGUNDY_MASTER_VOLUME, 8),
BURGUNDY_VOLUME("Line Playback Volume", 0, MASK_ADDR_BURGUNDY_VOLLINE, 16),
BURGUNDY_VOLUME("CD Playback Volume", 0, MASK_ADDR_BURGUNDY_VOLCD, 16),
BURGUNDY_VOLUME("Mic Playback Volume", 0, MASK_ADDR_BURGUNDY_VOLMIC, 16),
BURGUNDY_OUTPUT_VOLUME("PC Speaker Playback Volume", 0, MASK_ADDR_BURGUNDY_ATTENHP, 0),
/*BURGUNDY_OUTPUT_VOLUME("PCM Playback Volume", 0, MASK_ADDR_BURGUNDY_ATTENLINEOUT, 1),*/
BURGUNDY_OUTPUT_VOLUME("Headphone Playback Volume", 0, MASK_ADDR_BURGUNDY_ATTENSPEAKER, 1),
};
static struct snd_kcontrol_new snd_pmac_burgundy_master_sw __initdata =
BURGUNDY_OUTPUT_SWITCH("Headphone Playback Switch", 0, BURGUNDY_OUTPUT_LEFT, BURGUNDY_OUTPUT_RIGHT, 1);
static struct snd_kcontrol_new snd_pmac_burgundy_speaker_sw __initdata =
BURGUNDY_OUTPUT_SWITCH("PC Speaker Playback Switch", 0, BURGUNDY_OUTPUT_INTERN, 0, 0);
#ifdef PMAC_SUPPORT_AUTOMUTE
/*
* auto-mute stuffs
*/
static int snd_pmac_burgundy_detect_headphone(struct snd_pmac *chip)
{
return (in_le32(&chip->awacs->codec_stat) & chip->hp_stat_mask) ? 1 : 0;
}
static void snd_pmac_burgundy_update_automute(struct snd_pmac *chip, int do_notify)
{
if (chip->auto_mute) {
int reg, oreg;
reg = oreg = snd_pmac_burgundy_rcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES);
reg &= ~(BURGUNDY_OUTPUT_LEFT | BURGUNDY_OUTPUT_RIGHT | BURGUNDY_OUTPUT_INTERN);
if (snd_pmac_burgundy_detect_headphone(chip))
reg |= BURGUNDY_OUTPUT_LEFT | BURGUNDY_OUTPUT_RIGHT;
else
reg |= BURGUNDY_OUTPUT_INTERN;
if (do_notify && reg == oreg)
return;
snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES, 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 burgundy
*/
int __init snd_pmac_burgundy_init(struct snd_pmac *chip)
{
int i, err;
/* Checks to see the chip is alive and kicking */
if ((in_le32(&chip->awacs->codec_ctrl) & MASK_ERRCODE) == 0xf0000) {
printk(KERN_WARNING "pmac burgundy: disabled by MacOS :-(\n");
return 1;
}
snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_OUTPUTENABLES,
DEF_BURGUNDY_OUTPUTENABLES);
snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES,
DEF_BURGUNDY_MORE_OUTPUTENABLES);
snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_OUTPUTSELECTS,
DEF_BURGUNDY_OUTPUTSELECTS);
snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_INPSEL21,
DEF_BURGUNDY_INPSEL21);
snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_INPSEL3,
DEF_BURGUNDY_INPSEL3);
snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINCD,
DEF_BURGUNDY_GAINCD);
snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINLINE,
DEF_BURGUNDY_GAINLINE);
snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINMIC,
DEF_BURGUNDY_GAINMIC);
snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINMODEM,
DEF_BURGUNDY_GAINMODEM);
snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_ATTENSPEAKER,
DEF_BURGUNDY_ATTENSPEAKER);
snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_ATTENLINEOUT,
DEF_BURGUNDY_ATTENLINEOUT);
snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_ATTENHP,
DEF_BURGUNDY_ATTENHP);
snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_MASTER_VOLUME,
DEF_BURGUNDY_MASTER_VOLUME);
snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_VOLCD,
DEF_BURGUNDY_VOLCD);
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;
}