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Merge branch 'topic/cs5535audio' into to-push

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This commit is contained in:
Takashi Iwai 2008-12-25 11:40:28 +01:00
commit 313769d9ed
7 changed files with 252 additions and 3 deletions
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2
include/sound/ac97_codec.h
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@ -281,10 +281,12 @@
/* specific - Analog Devices */
#define AC97_AD_TEST 0x5a /* test register */
#define AC97_AD_TEST2 0x5c /* undocumented test register 2 */
#define AC97_AD_HPFD_SHIFT 12 /* High Pass Filter Disable */
#define AC97_AD_CODEC_CFG 0x70 /* codec configuration */
#define AC97_AD_JACK_SPDIF 0x72 /* Jack Sense & S/PDIF */
#define AC97_AD_SERIAL_CFG 0x74 /* Serial Configuration */
#define AC97_AD_MISC 0x76 /* Misc Control Bits */
#define AC97_AD_VREFD_SHIFT 2 /* V_REFOUT Disable (AD1888) */
/* specific - Cirrus Logic */
#define AC97_CSR_ACMODE 0x5e /* AC Mode Register */

5
sound/pci/ac97/ac97_patch.c
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@ -2054,8 +2054,9 @@ static const struct snd_kcontrol_new snd_ac97_ad1888_controls[] = {
.get = snd_ac97_ad1888_lohpsel_get,
.put = snd_ac97_ad1888_lohpsel_put
},
AC97_SINGLE("V_REFOUT Enable", AC97_AD_MISC, 2, 1, 1),
AC97_SINGLE("High Pass Filter Enable", AC97_AD_TEST2, 12, 1, 1),
AC97_SINGLE("V_REFOUT Enable", AC97_AD_MISC, AC97_AD_VREFD_SHIFT, 1, 1),
AC97_SINGLE("High Pass Filter Enable", AC97_AD_TEST2,
AC97_AD_HPFD_SHIFT, 1, 1),
AC97_SINGLE("Spread Front to Surround and Center/LFE", AC97_AD_MISC, 7, 1, 0),
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,

3
sound/pci/cs5535audio/Makefile
View File

@ -4,6 +4,9 @@
snd-cs5535audio-y := cs5535audio.o cs5535audio_pcm.o
snd-cs5535audio-$(CONFIG_PM) += cs5535audio_pm.o
ifdef CONFIG_MGEODE_LX
snd-cs5535audio-$(CONFIG_OLPC) += cs5535audio_olpc.o
endif
# Toplevel Module Dependency
obj-$(CONFIG_SND_CS5535AUDIO) += snd-cs5535audio.o

12
sound/pci/cs5535audio/cs5535audio.c
View File

@ -159,10 +159,14 @@ static int __devinit snd_cs5535audio_mixer(struct cs5535audio *cs5535au)
return err;
memset(&ac97, 0, sizeof(ac97));
ac97.scaps = AC97_SCAP_AUDIO|AC97_SCAP_SKIP_MODEM;
ac97.scaps = AC97_SCAP_AUDIO | AC97_SCAP_SKIP_MODEM
| AC97_SCAP_POWER_SAVE;
ac97.private_data = cs5535au;
ac97.pci = cs5535au->pci;
/* set any OLPC-specific scaps */
olpc_prequirks(card, &ac97);
if ((err = snd_ac97_mixer(pbus, &ac97, &cs5535au->ac97)) < 0) {
snd_printk(KERN_ERR "mixer failed\n");
return err;
@ -170,6 +174,12 @@ static int __devinit snd_cs5535audio_mixer(struct cs5535audio *cs5535au)
snd_ac97_tune_hardware(cs5535au->ac97, ac97_quirks, ac97_quirk);
err = olpc_quirks(card, cs5535au->ac97);
if (err < 0) {
snd_printk(KERN_ERR "olpc quirks failed\n");
return err;
}
return 0;
}

39
sound/pci/cs5535audio/cs5535audio.h
View File

@ -78,6 +78,7 @@ struct cs5535audio_dma {
unsigned int buf_addr, buf_bytes;
unsigned int period_bytes, periods;
u32 saved_prd;
int pcm_open_flag;
};
struct cs5535audio {
@ -93,8 +94,46 @@ struct cs5535audio {
struct cs5535audio_dma dmas[NUM_CS5535AUDIO_DMAS];
};
#ifdef CONFIG_PM
int snd_cs5535audio_suspend(struct pci_dev *pci, pm_message_t state);
int snd_cs5535audio_resume(struct pci_dev *pci);
#endif
#if defined(CONFIG_OLPC) && defined(CONFIG_MGEODE_LX)
void __devinit olpc_prequirks(struct snd_card *card,
struct snd_ac97_template *ac97);
int __devinit olpc_quirks(struct snd_card *card, struct snd_ac97 *ac97);
void olpc_analog_input(struct snd_ac97 *ac97, int on);
void olpc_mic_bias(struct snd_ac97 *ac97, int on);
static inline void olpc_capture_open(struct snd_ac97 *ac97)
{
/* default to Analog Input off */
olpc_analog_input(ac97, 0);
/* enable MIC Bias for recording */
olpc_mic_bias(ac97, 1);
}
static inline void olpc_capture_close(struct snd_ac97 *ac97)
{
/* disable Analog Input */
olpc_analog_input(ac97, 0);
/* disable the MIC Bias (so the recording LED turns off) */
olpc_mic_bias(ac97, 0);
}
#else
static inline void olpc_prequirks(struct snd_card *card,
struct snd_ac97_template *ac97) { }
static inline int olpc_quirks(struct snd_card *card, struct snd_ac97 *ac97)
{
return 0;
}
static inline void olpc_analog_input(struct snd_ac97 *ac97, int on) { }
static inline void olpc_mic_bias(struct snd_ac97 *ac97, int on) { }
static inline void olpc_capture_open(struct snd_ac97 *ac97) { }
static inline void olpc_capture_close(struct snd_ac97 *ac97) { }
#endif
int __devinit snd_cs5535audio_pcm(struct cs5535audio *cs5535audio);
#endif /* __SOUND_CS5535AUDIO_H */

179
sound/pci/cs5535audio/cs5535audio_olpc.c Normal file
View File

@ -0,0 +1,179 @@
/*
* OLPC XO-1 additional sound features
*
* Copyright © 2006 Jaya Kumar <jayakumar.lkml@gmail.com>
* Copyright © 2007-2008 Andres Salomon <dilinger@debian.org>
*
* 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.
*/
#include <sound/core.h>
#include <sound/info.h>
#include <sound/control.h>
#include <sound/ac97_codec.h>
#include <asm/olpc.h>
#include "cs5535audio.h"
/*
* OLPC has an additional feature on top of the regular AD1888 codec features.
* It has an Analog Input mode that is switched into (after disabling the
* High Pass Filter) via GPIO. It is supported on B2 and later models.
*/
void olpc_analog_input(struct snd_ac97 *ac97, int on)
{
int err;
if (!machine_is_olpc())
return;
/* update the High Pass Filter (via AC97_AD_TEST2) */
err = snd_ac97_update_bits(ac97, AC97_AD_TEST2,
1 << AC97_AD_HPFD_SHIFT, on << AC97_AD_HPFD_SHIFT);
if (err < 0) {
snd_printk(KERN_ERR "setting High Pass Filter - %d\n", err);
return;
}
/* set Analog Input through GPIO */
if (on)
geode_gpio_set(OLPC_GPIO_MIC_AC, GPIO_OUTPUT_VAL);
else
geode_gpio_clear(OLPC_GPIO_MIC_AC, GPIO_OUTPUT_VAL);
}
/*
* OLPC XO-1's V_REFOUT is a mic bias enable.
*/
void olpc_mic_bias(struct snd_ac97 *ac97, int on)
{
int err;
if (!machine_is_olpc())
return;
on = on ? 0 : 1;
err = snd_ac97_update_bits(ac97, AC97_AD_MISC,
1 << AC97_AD_VREFD_SHIFT, on << AC97_AD_VREFD_SHIFT);
if (err < 0)
snd_printk(KERN_ERR "setting MIC Bias - %d\n", err);
}
static int olpc_dc_info(struct snd_kcontrol *kctl,
struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
uinfo->count = 1;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = 1;
return 0;
}
static int olpc_dc_get(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *v)
{
v->value.integer.value[0] = geode_gpio_isset(OLPC_GPIO_MIC_AC,
GPIO_OUTPUT_VAL);
return 0;
}
static int olpc_dc_put(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *v)
{
struct cs5535audio *cs5535au = snd_kcontrol_chip(kctl);
olpc_analog_input(cs5535au->ac97, v->value.integer.value[0]);
return 1;
}
static int olpc_mic_info(struct snd_kcontrol *kctl,
struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
uinfo->count = 1;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = 1;
return 0;
}
static int olpc_mic_get(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *v)
{
struct cs5535audio *cs5535au = snd_kcontrol_chip(kctl);
struct snd_ac97 *ac97 = cs5535au->ac97;
int i;
i = (snd_ac97_read(ac97, AC97_AD_MISC) >> AC97_AD_VREFD_SHIFT) & 0x1;
v->value.integer.value[0] = i ? 0 : 1;
return 0;
}
static int olpc_mic_put(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *v)
{
struct cs5535audio *cs5535au = snd_kcontrol_chip(kctl);
olpc_mic_bias(cs5535au->ac97, v->value.integer.value[0]);
return 1;
}
static struct snd_kcontrol_new olpc_cs5535audio_ctls[] __devinitdata = {
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "DC Mode Enable",
.info = olpc_dc_info,
.get = olpc_dc_get,
.put = olpc_dc_put,
.private_value = 0,
},
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "MIC Bias Enable",
.info = olpc_mic_info,
.get = olpc_mic_get,
.put = olpc_mic_put,
.private_value = 0,
},
};
void __devinit olpc_prequirks(struct snd_card *card,
struct snd_ac97_template *ac97)
{
if (!machine_is_olpc())
return;
/* invert EAPD if on an OLPC B3 or higher */
if (olpc_board_at_least(olpc_board_pre(0xb3)))
ac97->scaps |= AC97_SCAP_INV_EAPD;
}
int __devinit olpc_quirks(struct snd_card *card, struct snd_ac97 *ac97)
{
struct snd_ctl_elem_id elem;
int i, err;
if (!machine_is_olpc())
return 0;
/* drop the original AD1888 HPF control */
memset(&elem, 0, sizeof(elem));
elem.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
strncpy(elem.name, "High Pass Filter Enable", sizeof(elem.name));
snd_ctl_remove_id(card, &elem);
/* drop the original V_REFOUT control */
memset(&elem, 0, sizeof(elem));
elem.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
strncpy(elem.name, "V_REFOUT Enable", sizeof(elem.name));
snd_ctl_remove_id(card, &elem);
/* add the OLPC-specific controls */
for (i = 0; i < ARRAY_SIZE(olpc_cs5535audio_ctls); i++) {
err = snd_ctl_add(card, snd_ctl_new1(&olpc_cs5535audio_ctls[i],
ac97->private_data));
if (err < 0)
return err;
}
/* turn off the mic by default */
olpc_mic_bias(ac97, 0);
return 0;
}

15
sound/pci/cs5535audio/cs5535audio_pcm.c
View File

@ -260,6 +260,9 @@ static int snd_cs5535audio_hw_params(struct snd_pcm_substream *substream,
err = cs5535audio_build_dma_packets(cs5535au, dma, substream,
params_periods(hw_params),
params_period_bytes(hw_params));
if (!err)
dma->pcm_open_flag = 1;
return err;
}
@ -268,6 +271,15 @@ static int snd_cs5535audio_hw_free(struct snd_pcm_substream *substream)
struct cs5535audio *cs5535au = snd_pcm_substream_chip(substream);
struct cs5535audio_dma *dma = substream->runtime->private_data;
if (dma->pcm_open_flag) {
if (substream == cs5535au->playback_substream)
snd_ac97_update_power(cs5535au->ac97,
AC97_PCM_FRONT_DAC_RATE, 0);
else
snd_ac97_update_power(cs5535au->ac97,
AC97_PCM_LR_ADC_RATE, 0);
dma->pcm_open_flag = 0;
}
cs5535audio_clear_dma_packets(cs5535au, dma, substream);
return snd_pcm_lib_free_pages(substream);
}
@ -351,11 +363,14 @@ static int snd_cs5535audio_capture_open(struct snd_pcm_substream *substream)
if ((err = snd_pcm_hw_constraint_integer(runtime,
SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
return err;
olpc_capture_open(cs5535au->ac97);
return 0;
}
static int snd_cs5535audio_capture_close(struct snd_pcm_substream *substream)
{
struct cs5535audio *cs5535au = snd_pcm_substream_chip(substream);
olpc_capture_close(cs5535au->ac97);
return 0;
}