diff options
Diffstat (limited to 'sound')
97 files changed, 5112 insertions, 1774 deletions
diff --git a/sound/aoa/codecs/Kconfig b/sound/aoa/codecs/Kconfig index 90cf58f6863..d5fbd6016e9 100644 --- a/sound/aoa/codecs/Kconfig +++ b/sound/aoa/codecs/Kconfig @@ -1,6 +1,8 @@ config SND_AOA_ONYX tristate "support Onyx chip" depends on SND_AOA + select I2C + select I2C_POWERMAC ---help--- This option enables support for the Onyx (pcm3052) codec chip found in the latest Apple machines @@ -18,6 +20,8 @@ config SND_AOA_ONYX config SND_AOA_TAS tristate "support TAS chips" depends on SND_AOA + select I2C + select I2C_POWERMAC ---help--- This option enables support for the tas chips found in a lot of Apple Machines, especially diff --git a/sound/aoa/codecs/snd-aoa-codec-tas.c b/sound/aoa/codecs/snd-aoa-codec-tas.c index 16c0b6b0a80..2ef55a17917 100644 --- a/sound/aoa/codecs/snd-aoa-codec-tas.c +++ b/sound/aoa/codecs/snd-aoa-codec-tas.c @@ -66,6 +66,8 @@ #include <asm/prom.h> #include <linux/delay.h> #include <linux/module.h> +#include <linux/mutex.h> + MODULE_AUTHOR("Johannes Berg <johannes@sipsolutions.net>"); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("tas codec driver for snd-aoa"); @@ -91,6 +93,10 @@ struct tas { u8 bass, treble; u8 acr; int drc_range; + /* protects hardware access against concurrency from + * userspace when hitting controls and during + * codec init/suspend/resume */ + struct mutex mtx; }; static int tas_reset_init(struct tas *tas); @@ -231,8 +237,10 @@ static int tas_snd_vol_get(struct snd_kcontrol *kcontrol, { struct tas *tas = snd_kcontrol_chip(kcontrol); + mutex_lock(&tas->mtx); ucontrol->value.integer.value[0] = tas->cached_volume_l; ucontrol->value.integer.value[1] = tas->cached_volume_r; + mutex_unlock(&tas->mtx); return 0; } @@ -241,14 +249,18 @@ static int tas_snd_vol_put(struct snd_kcontrol *kcontrol, { struct tas *tas = snd_kcontrol_chip(kcontrol); + mutex_lock(&tas->mtx); if (tas->cached_volume_l == ucontrol->value.integer.value[0] - && tas->cached_volume_r == ucontrol->value.integer.value[1]) + && tas->cached_volume_r == ucontrol->value.integer.value[1]) { + mutex_unlock(&tas->mtx); return 0; + } tas->cached_volume_l = ucontrol->value.integer.value[0]; tas->cached_volume_r = ucontrol->value.integer.value[1]; if (tas->hw_enabled) tas_set_volume(tas); + mutex_unlock(&tas->mtx); return 1; } @@ -276,8 +288,10 @@ static int tas_snd_mute_get(struct snd_kcontrol *kcontrol, { struct tas *tas = snd_kcontrol_chip(kcontrol); + mutex_lock(&tas->mtx); ucontrol->value.integer.value[0] = !tas->mute_l; ucontrol->value.integer.value[1] = !tas->mute_r; + mutex_unlock(&tas->mtx); return 0; } @@ -286,14 +300,18 @@ static int tas_snd_mute_put(struct snd_kcontrol *kcontrol, { struct tas *tas = snd_kcontrol_chip(kcontrol); + mutex_lock(&tas->mtx); if (tas->mute_l == !ucontrol->value.integer.value[0] - && tas->mute_r == !ucontrol->value.integer.value[1]) + && tas->mute_r == !ucontrol->value.integer.value[1]) { + mutex_unlock(&tas->mtx); return 0; + } tas->mute_l = !ucontrol->value.integer.value[0]; tas->mute_r = !ucontrol->value.integer.value[1]; if (tas->hw_enabled) tas_set_volume(tas); + mutex_unlock(&tas->mtx); return 1; } @@ -322,8 +340,10 @@ static int tas_snd_mixer_get(struct snd_kcontrol *kcontrol, struct tas *tas = snd_kcontrol_chip(kcontrol); int idx = kcontrol->private_value; + mutex_lock(&tas->mtx); ucontrol->value.integer.value[0] = tas->mixer_l[idx]; ucontrol->value.integer.value[1] = tas->mixer_r[idx]; + mutex_unlock(&tas->mtx); return 0; } @@ -334,15 +354,19 @@ static int tas_snd_mixer_put(struct snd_kcontrol *kcontrol, struct tas *tas = snd_kcontrol_chip(kcontrol); int idx = kcontrol->private_value; + mutex_lock(&tas->mtx); if (tas->mixer_l[idx] == ucontrol->value.integer.value[0] - && tas->mixer_r[idx] == ucontrol->value.integer.value[1]) + && tas->mixer_r[idx] == ucontrol->value.integer.value[1]) { + mutex_unlock(&tas->mtx); return 0; + } tas->mixer_l[idx] = ucontrol->value.integer.value[0]; tas->mixer_r[idx] = ucontrol->value.integer.value[1]; if (tas->hw_enabled) tas_set_mixer(tas); + mutex_unlock(&tas->mtx); return 1; } @@ -375,7 +399,9 @@ static int tas_snd_drc_range_get(struct snd_kcontrol *kcontrol, { struct tas *tas = snd_kcontrol_chip(kcontrol); + mutex_lock(&tas->mtx); ucontrol->value.integer.value[0] = tas->drc_range; + mutex_unlock(&tas->mtx); return 0; } @@ -384,12 +410,16 @@ static int tas_snd_drc_range_put(struct snd_kcontrol *kcontrol, { struct tas *tas = snd_kcontrol_chip(kcontrol); - if (tas->drc_range == ucontrol->value.integer.value[0]) + mutex_lock(&tas->mtx); + if (tas->drc_range == ucontrol->value.integer.value[0]) { + mutex_unlock(&tas->mtx); return 0; + } tas->drc_range = ucontrol->value.integer.value[0]; if (tas->hw_enabled) tas3004_set_drc(tas); + mutex_unlock(&tas->mtx); return 1; } @@ -417,7 +447,9 @@ static int tas_snd_drc_switch_get(struct snd_kcontrol *kcontrol, { struct tas *tas = snd_kcontrol_chip(kcontrol); + mutex_lock(&tas->mtx); ucontrol->value.integer.value[0] = tas->drc_enabled; + mutex_unlock(&tas->mtx); return 0; } @@ -426,12 +458,16 @@ static int tas_snd_drc_switch_put(struct snd_kcontrol *kcontrol, { struct tas *tas = snd_kcontrol_chip(kcontrol); - if (tas->drc_enabled == ucontrol->value.integer.value[0]) + mutex_lock(&tas->mtx); + if (tas->drc_enabled == ucontrol->value.integer.value[0]) { + mutex_unlock(&tas->mtx); return 0; + } tas->drc_enabled = ucontrol->value.integer.value[0]; if (tas->hw_enabled) tas3004_set_drc(tas); + mutex_unlock(&tas->mtx); return 1; } @@ -463,7 +499,9 @@ static int tas_snd_capture_source_get(struct snd_kcontrol *kcontrol, { struct tas *tas = snd_kcontrol_chip(kcontrol); + mutex_lock(&tas->mtx); ucontrol->value.enumerated.item[0] = !!(tas->acr & TAS_ACR_INPUT_B); + mutex_unlock(&tas->mtx); return 0; } @@ -471,15 +509,21 @@ static int tas_snd_capture_source_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct tas *tas = snd_kcontrol_chip(kcontrol); - int oldacr = tas->acr; + int oldacr; + + mutex_lock(&tas->mtx); + oldacr = tas->acr; tas->acr &= ~TAS_ACR_INPUT_B; if (ucontrol->value.enumerated.item[0]) tas->acr |= TAS_ACR_INPUT_B; - if (oldacr == tas->acr) + if (oldacr == tas->acr) { + mutex_unlock(&tas->mtx); return 0; + } if (tas->hw_enabled) tas_write_reg(tas, TAS_REG_ACR, 1, &tas->acr); + mutex_unlock(&tas->mtx); return 1; } @@ -518,7 +562,9 @@ static int tas_snd_treble_get(struct snd_kcontrol *kcontrol, { struct tas *tas = snd_kcontrol_chip(kcontrol); + mutex_lock(&tas->mtx); ucontrol->value.integer.value[0] = tas->treble; + mutex_unlock(&tas->mtx); return 0; } @@ -527,12 +573,16 @@ static int tas_snd_treble_put(struct snd_kcontrol *kcontrol, { struct tas *tas = snd_kcontrol_chip(kcontrol); - if (tas->treble == ucontrol->value.integer.value[0]) + mutex_lock(&tas->mtx); + if (tas->treble == ucontrol->value.integer.value[0]) { + mutex_unlock(&tas->mtx); return 0; + } tas->treble = ucontrol->value.integer.value[0]; if (tas->hw_enabled) tas_set_treble(tas); + mutex_unlock(&tas->mtx); return 1; } @@ -560,7 +610,9 @@ static int tas_snd_bass_get(struct snd_kcontrol *kcontrol, { struct tas *tas = snd_kcontrol_chip(kcontrol); + mutex_lock(&tas->mtx); ucontrol->value.integer.value[0] = tas->bass; + mutex_unlock(&tas->mtx); return 0; } @@ -569,12 +621,16 @@ static int tas_snd_bass_put(struct snd_kcontrol *kcontrol, { struct tas *tas = snd_kcontrol_chip(kcontrol); - if (tas->bass == ucontrol->value.integer.value[0]) + mutex_lock(&tas->mtx); + if (tas->bass == ucontrol->value.integer.value[0]) { + mutex_unlock(&tas->mtx); return 0; + } tas->bass = ucontrol->value.integer.value[0]; if (tas->hw_enabled) tas_set_bass(tas); + mutex_unlock(&tas->mtx); return 1; } @@ -628,16 +684,16 @@ static int tas_reset_init(struct tas *tas) tmp = TAS_MCS_SCLK64 | TAS_MCS_SPORT_MODE_I2S | TAS_MCS_SPORT_WL_24BIT; if (tas_write_reg(tas, TAS_REG_MCS, 1, &tmp)) - return -ENODEV; + goto outerr; tas->acr |= TAS_ACR_ANALOG_PDOWN | TAS_ACR_B_MONAUREAL | TAS_ACR_B_MON_SEL_RIGHT; if (tas_write_reg(tas, TAS_REG_ACR, 1, &tas->acr)) - return -ENODEV; + goto outerr; tmp = 0; if (tas_write_reg(tas, TAS_REG_MCS2, 1, &tmp)) - return -ENODEV; + goto outerr; tas3004_set_drc(tas); @@ -649,9 +705,11 @@ static int tas_reset_init(struct tas *tas) tas->acr &= ~TAS_ACR_ANALOG_PDOWN; if (tas_write_reg(tas, TAS_REG_ACR, 1, &tas->acr)) - return -ENODEV; + goto outerr; return 0; + outerr: + return -ENODEV; } static int tas_switch_clock(struct codec_info_item *cii, enum clock_switch clock) @@ -666,11 +724,13 @@ static int tas_switch_clock(struct codec_info_item *cii, enum clock_switch clock break; case CLOCK_SWITCH_SLAVE: /* Clocks are back, re-init the codec */ + mutex_lock(&tas->mtx); tas_reset_init(tas); tas_set_volume(tas); tas_set_mixer(tas); tas->hw_enabled = 1; tas->codec.gpio->methods->all_amps_restore(tas->codec.gpio); + mutex_unlock(&tas->mtx); break; default: /* doesn't happen as of now */ @@ -684,19 +744,23 @@ static int tas_switch_clock(struct codec_info_item *cii, enum clock_switch clock * our i2c device is suspended, and then take note of that! */ static int tas_suspend(struct tas *tas) { + mutex_lock(&tas->mtx); tas->hw_enabled = 0; tas->acr |= TAS_ACR_ANALOG_PDOWN; tas_write_reg(tas, TAS_REG_ACR, 1, &tas->acr); + mutex_unlock(&tas->mtx); return 0; } static int tas_resume(struct tas *tas) { /* reset codec */ + mutex_lock(&tas->mtx); tas_reset_init(tas); tas_set_volume(tas); tas_set_mixer(tas); tas->hw_enabled = 1; + mutex_unlock(&tas->mtx); return 0; } @@ -739,11 +803,14 @@ static int tas_init_codec(struct aoa_codec *codec) return -EINVAL; } + mutex_lock(&tas->mtx); if (tas_reset_init(tas)) { printk(KERN_ERR PFX "tas failed to initialise\n"); + mutex_unlock(&tas->mtx); return -ENXIO; } tas->hw_enabled = 1; + mutex_unlock(&tas->mtx); if (tas->codec.soundbus_dev->attach_codec(tas->codec.soundbus_dev, aoa_get_card(), @@ -822,6 +889,7 @@ static int tas_create(struct i2c_adapter *adapter, if (!tas) return -ENOMEM; + mutex_init(&tas->mtx); tas->i2c.driver = &tas_driver; tas->i2c.adapter = adapter; tas->i2c.addr = addr; @@ -850,6 +918,7 @@ static int tas_create(struct i2c_adapter *adapter, detach: i2c_detach_clien |