diff options
Diffstat (limited to 'sound/ppc/burgundy.c')
| -rw-r--r-- | sound/ppc/burgundy.c | 439 |
1 files changed, 439 insertions, 0 deletions
diff --git a/sound/ppc/burgundy.c b/sound/ppc/burgundy.c new file mode 100644 index 0000000..3f837d9f --- /dev/null +++ b/sound/ppc/burgundy.c @@ -0,0 +1,439 @@ +/* + * 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 <sound/driver.h> +#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 */ +inline static void +snd_pmac_burgundy_busy_wait(pmac_t *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"); +} + +inline static void +snd_pmac_burgundy_extend_wait(pmac_t *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(pmac_t *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(pmac_t *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(pmac_t *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(pmac_t *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(pmac_t *chip, unsigned int address, long *volume, int shift) +{ + int hardvolume, lvolume, rvolume; + + 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(pmac_t *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(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 = 100; + return 0; +} + +static int snd_pmac_burgundy_get_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) +{ + pmac_t *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(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) +{ + pmac_t *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(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *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(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) +{ + pmac_t *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(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) +{ + pmac_t *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(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *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(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) +{ + pmac_t *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(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) +{ + pmac_t *chip = snd_kcontrol_chip(kcontrol); + unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff); + int stereo = (kcontrol->private_value >> 24) & 1; + int oval, val; + + oval = ~snd_pmac_burgundy_rcb(chip, addr) & 0xff; + val = ucontrol->value.integer.value[0]; + if (stereo) + val |= ucontrol->value.integer.value[1] << 4; + else + val |= ucontrol->value.integer.value[0] << 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 snd_kcontrol_new_t 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 snd_kcontrol_new_t snd_pmac_burgundy_master_sw __initdata = +BURGUNDY_OUTPUT_SWITCH("Headphone Playback Switch", 0, BURGUNDY_OUTPUT_LEFT, BURGUNDY_OUTPUT_RIGHT, 1); +static snd_kcontrol_new_t 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(pmac_t *chip) +{ + return (in_le32(&chip->awacs->codec_stat) & chip->hp_stat_mask) ? 1 : 0; +} + +static void snd_pmac_burgundy_update_automute(pmac_t *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(pmac_t *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; +} |
