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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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[ALSA] Remove ppc/toonie.c
Remove obsoleted ppc/toonie.c. The function is replaced with new snd-aoa driver. Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai
Jaroslav Kysela
parent
55c385ad5e
commit
555fdc2e9f
@ -1,378 +0,0 @@
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/*
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* Mac Mini "toonie" mixer control
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*
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* Copyright (c) 2005 by Benjamin Herrenschmidt <benh@kernel.crashing.org>
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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 <sound/driver.h>
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#include <linux/init.h>
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#include <linux/delay.h>
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#include <linux/i2c.h>
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#include <linux/kmod.h>
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#include <linux/slab.h>
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#include <linux/interrupt.h>
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#include <sound/core.h>
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#include <asm/io.h>
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#include <asm/irq.h>
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#include <asm/machdep.h>
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#include <asm/pmac_feature.h>
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#include "pmac.h"
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#undef DEBUG
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#ifdef DEBUG
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#define DBG(fmt...) printk(fmt)
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#else
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#define DBG(fmt...)
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#endif
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struct pmac_gpio {
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unsigned int addr;
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u8 active_val;
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u8 inactive_val;
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u8 active_state;
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};
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struct pmac_toonie
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{
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struct pmac_gpio hp_detect_gpio;
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struct pmac_gpio hp_mute_gpio;
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struct pmac_gpio amp_mute_gpio;
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int hp_detect_irq;
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int auto_mute_notify;
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struct work_struct detect_work;
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};
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/*
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* gpio access
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*/
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#define do_gpio_write(gp, val) \
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pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, (gp)->addr, val)
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#define do_gpio_read(gp) \
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pmac_call_feature(PMAC_FTR_READ_GPIO, NULL, (gp)->addr, 0)
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#define tumbler_gpio_free(gp) /* NOP */
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static void write_audio_gpio(struct pmac_gpio *gp, int active)
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{
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if (! gp->addr)
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return;
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active = active ? gp->active_val : gp->inactive_val;
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do_gpio_write(gp, active);
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DBG("(I) gpio %x write %d\n", gp->addr, active);
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}
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static int check_audio_gpio(struct pmac_gpio *gp)
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{
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int ret;
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if (! gp->addr)
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return 0;
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ret = do_gpio_read(gp);
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return (ret & 0xd) == (gp->active_val & 0xd);
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}
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static int read_audio_gpio(struct pmac_gpio *gp)
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{
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int ret;
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if (! gp->addr)
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return 0;
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ret = ((do_gpio_read(gp) & 0x02) !=0);
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return ret == gp->active_state;
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}
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enum { TOONIE_MUTE_HP, TOONIE_MUTE_AMP };
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static int toonie_get_mute_switch(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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struct pmac_toonie *mix = chip->mixer_data;
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struct pmac_gpio *gp;
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if (mix == NULL)
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return -ENODEV;
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switch(kcontrol->private_value) {
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case TOONIE_MUTE_HP:
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gp = &mix->hp_mute_gpio;
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break;
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case TOONIE_MUTE_AMP:
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gp = &mix->amp_mute_gpio;
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break;
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default:
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return -EINVAL;
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}
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ucontrol->value.integer.value[0] = !check_audio_gpio(gp);
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return 0;
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}
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static int toonie_put_mute_switch(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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struct pmac_toonie *mix = chip->mixer_data;
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struct pmac_gpio *gp;
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int val;
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if (chip->update_automute && chip->auto_mute)
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return 0; /* don't touch in the auto-mute mode */
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if (mix == NULL)
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return -ENODEV;
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switch(kcontrol->private_value) {
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case TOONIE_MUTE_HP:
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gp = &mix->hp_mute_gpio;
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break;
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case TOONIE_MUTE_AMP:
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gp = &mix->amp_mute_gpio;
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break;
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default:
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return -EINVAL;
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}
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val = ! check_audio_gpio(gp);
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if (val != ucontrol->value.integer.value[0]) {
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write_audio_gpio(gp, ! ucontrol->value.integer.value[0]);
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return 1;
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}
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return 0;
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}
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static struct snd_kcontrol_new toonie_hp_sw __initdata = {
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "Headphone Playback Switch",
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.info = snd_pmac_boolean_mono_info,
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.get = toonie_get_mute_switch,
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.put = toonie_put_mute_switch,
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.private_value = TOONIE_MUTE_HP,
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};
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static struct snd_kcontrol_new toonie_speaker_sw __initdata = {
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "PC Speaker Playback Switch",
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.info = snd_pmac_boolean_mono_info,
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.get = toonie_get_mute_switch,
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.put = toonie_put_mute_switch,
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.private_value = TOONIE_MUTE_AMP,
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};
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/*
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* auto-mute stuffs
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*/
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static int toonie_detect_headphone(struct snd_pmac *chip)
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{
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struct pmac_toonie *mix = chip->mixer_data;
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int detect = 0;
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if (mix->hp_detect_gpio.addr)
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detect |= read_audio_gpio(&mix->hp_detect_gpio);
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return detect;
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}
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static void toonie_check_mute(struct snd_pmac *chip, struct pmac_gpio *gp, int val,
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int do_notify, struct snd_kcontrol *sw)
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{
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if (check_audio_gpio(gp) != val) {
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write_audio_gpio(gp, val);
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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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&sw->id);
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}
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}
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static void toonie_detect_handler(void *self)
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{
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struct snd_pmac *chip = (struct snd_pmac *) self;
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struct pmac_toonie *mix;
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int headphone;
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if (!chip)
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return;
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mix = chip->mixer_data;
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snd_assert(mix, return);
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headphone = toonie_detect_headphone(chip);
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DBG("headphone: %d, lineout: %d\n", headphone, lineout);
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if (headphone) {
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/* unmute headphone/lineout & mute speaker */
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toonie_check_mute(chip, &mix->hp_mute_gpio, 0,
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mix->auto_mute_notify, chip->master_sw_ctl);
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toonie_check_mute(chip, &mix->amp_mute_gpio, 1,
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mix->auto_mute_notify, chip->speaker_sw_ctl);
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} else {
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/* unmute speaker, mute others */
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toonie_check_mute(chip, &mix->amp_mute_gpio, 0,
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mix->auto_mute_notify, chip->speaker_sw_ctl);
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toonie_check_mute(chip, &mix->hp_mute_gpio, 1,
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mix->auto_mute_notify, chip->master_sw_ctl);
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}
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if (mix->auto_mute_notify) {
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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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static void toonie_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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struct pmac_toonie *mix;
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mix = chip->mixer_data;
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snd_assert(mix, return);
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mix->auto_mute_notify = do_notify;
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schedule_work(&mix->detect_work);
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}
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}
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/* interrupt - headphone plug changed */
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static irqreturn_t toonie_hp_intr(int irq, void *devid, struct pt_regs *regs)
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{
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struct snd_pmac *chip = devid;
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if (chip->update_automute && chip->initialized) {
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chip->update_automute(chip, 1);
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return IRQ_HANDLED;
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}
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return IRQ_NONE;
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}
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/* look for audio gpio device */
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static int find_audio_gpio(const char *name, const char *platform,
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struct pmac_gpio *gp)
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{
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struct device_node *np;
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u32 *base, addr;
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if (! (np = find_devices("gpio")))
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return -ENODEV;
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for (np = np->child; np; np = np->sibling) {
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char *property = get_property(np, "audio-gpio", NULL);
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if (property && strcmp(property, name) == 0)
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break;
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if (device_is_compatible(np, name))
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break;
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}
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if (np == NULL)
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return -ENODEV;
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base = (u32 *)get_property(np, "AAPL,address", NULL);
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if (! base) {
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base = (u32 *)get_property(np, "reg", NULL);
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if (!base) {
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DBG("(E) cannot find address for device %s !\n", name);
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return -ENODEV;
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}
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addr = *base;
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if (addr < 0x50)
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addr += 0x50;
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} else
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addr = *base;
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gp->addr = addr & 0x0000ffff;
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/* Try to find the active state, default to 0 ! */
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base = (u32 *)get_property(np, "audio-gpio-active-state", NULL);
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if (base) {
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gp->active_state = *base;
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gp->active_val = (*base) ? 0x5 : 0x4;
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gp->inactive_val = (*base) ? 0x4 : 0x5;
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} else {
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u32 *prop = NULL;
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gp->active_state = 0;
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gp->active_val = 0x4;
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gp->inactive_val = 0x5;
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/* Here are some crude hacks to extract the GPIO polarity and
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* open collector informations out of the do-platform script
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* as we don't yet have an interpreter for these things
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*/
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if (platform)
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prop = (u32 *)get_property(np, platform, NULL);
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if (prop) {
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if (prop[3] == 0x9 && prop[4] == 0x9) {
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gp->active_val = 0xd;
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gp->inactive_val = 0xc;
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}
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if (prop[3] == 0x1 && prop[4] == 0x1) {
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gp->active_val = 0x5;
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gp->inactive_val = 0x4;
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}
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}
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}
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DBG("(I) GPIO device %s found, offset: %x, active state: %d !\n",
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name, gp->addr, gp->active_state);
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return (np->n_intrs > 0) ? np->intrs[0].line : 0;
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}
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static void toonie_cleanup(struct snd_pmac *chip)
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{
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struct pmac_toonie *mix = chip->mixer_data;
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if (! mix)
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return;
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if (mix->hp_detect_irq >= 0)
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free_irq(mix->hp_detect_irq, chip);
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kfree(mix);
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chip->mixer_data = NULL;
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}
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int __init snd_pmac_toonie_init(struct snd_pmac *chip)
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{
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struct pmac_toonie *mix;
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mix = kmalloc(sizeof(*mix), GFP_KERNEL);
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if (! mix)
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return -ENOMEM;
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chip->mixer_data = mix;
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chip->mixer_free = toonie_cleanup;
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find_audio_gpio("headphone-mute", NULL, &mix->hp_mute_gpio);
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find_audio_gpio("amp-mute", NULL, &mix->amp_mute_gpio);
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mix->hp_detect_irq = find_audio_gpio("headphone-detect",
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NULL, &mix->hp_detect_gpio);
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strcpy(chip->card->mixername, "PowerMac Toonie");
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chip->master_sw_ctl = snd_ctl_new1(&toonie_hp_sw, chip);
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snd_ctl_add(chip->card, chip->master_sw_ctl);
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chip->speaker_sw_ctl = snd_ctl_new1(&toonie_speaker_sw, chip);
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snd_ctl_add(chip->card, chip->speaker_sw_ctl);
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INIT_WORK(&mix->detect_work, toonie_detect_handler, (void *)chip);
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if (mix->hp_detect_irq >= 0) {
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snd_pmac_add_automute(chip);
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chip->detect_headphone = toonie_detect_headphone;
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chip->update_automute = toonie_update_automute;
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toonie_update_automute(chip, 0);
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if (request_irq(mix->hp_detect_irq, toonie_hp_intr, 0,
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"Sound Headphone Detection", chip) < 0)
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mix->hp_detect_irq = -1;
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}
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return 0;
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}
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