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author | Pavel Hofman <pavel.hofman@ivitera.com> | 2009-09-16 22:25:40 +0200 |
---|---|---|
committer | Takashi Iwai <tiwai@suse.de> | 2009-09-21 15:48:00 +0200 |
commit | 1ff97cb9dd9f53b33ce6710a4f861f43e70e8ca4 (patch) | |
tree | b368fa7a43d062940e5fb29c31b609b16bc7bd9d /sound/pci | |
parent | 6796d5a05f4d3caad17d2586b3e5776fda50ef82 (diff) | |
download | kernel_samsung_smdk4412-1ff97cb9dd9f53b33ce6710a4f861f43e70e8ca4.zip kernel_samsung_smdk4412-1ff97cb9dd9f53b33ce6710a4f861f43e70e8ca4.tar.gz kernel_samsung_smdk4412-1ff97cb9dd9f53b33ce6710a4f861f43e70e8ca4.tar.bz2 |
ALSA: ice1724 - Support for multiple external clock types
* Support for customization of the external clock names
* Adding hooks to playback_pro_open and capture_pro_open, allowing e.g.
limiting available stream rates to a single value when the external
clock rate is detected
Signed-off-by: Pavel Hofman <pavel.hofman@ivitera.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci')
-rw-r--r-- | sound/pci/ice1712/ice1712.h | 7 | ||||
-rw-r--r-- | sound/pci/ice1712/ice1724.c | 58 | ||||
-rw-r--r-- | sound/pci/ice1712/juli.c | 3 |
3 files changed, 52 insertions, 16 deletions
diff --git a/sound/pci/ice1712/ice1712.h b/sound/pci/ice1712/ice1712.h index b31a59d..4615bca 100644 --- a/sound/pci/ice1712/ice1712.h +++ b/sound/pci/ice1712/ice1712.h @@ -379,8 +379,11 @@ struct snd_ice1712 { unsigned int (*get_rate)(struct snd_ice1712 *ice); void (*set_rate)(struct snd_ice1712 *ice, unsigned int rate); unsigned char (*set_mclk)(struct snd_ice1712 *ice, unsigned int rate); - void (*set_spdif_clock)(struct snd_ice1712 *ice); - + int (*set_spdif_clock)(struct snd_ice1712 *ice, int type); + int (*get_spdif_master_type)(struct snd_ice1712 *ice); + char **ext_clock_names; + int ext_clock_count; + void (*pro_open)(struct snd_ice1712 *, struct snd_pcm_substream *); #ifdef CONFIG_PM int (*pm_suspend)(struct snd_ice1712 *); int (*pm_resume)(struct snd_ice1712 *); diff --git a/sound/pci/ice1712/ice1724.c b/sound/pci/ice1712/ice1724.c index 514e153..3f11195 100644 --- a/sound/pci/ice1712/ice1724.c +++ b/sound/pci/ice1712/ice1724.c @@ -104,6 +104,8 @@ static int PRO_RATE_LOCKED; static int PRO_RATE_RESET = 1; static unsigned int PRO_RATE_DEFAULT = 44100; +static char *ext_clock_names[1] = { "IEC958 In" }; + /* * Basic I/O */ @@ -1042,6 +1044,8 @@ static int snd_vt1724_playback_pro_open(struct snd_pcm_substream *substream) VT1724_BUFFER_ALIGN); snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, VT1724_BUFFER_ALIGN); + if (ice->pro_open) + ice->pro_open(ice, substream); return 0; } @@ -1060,6 +1064,8 @@ static int snd_vt1724_capture_pro_open(struct snd_pcm_substream *substream) VT1724_BUFFER_ALIGN); snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, VT1724_BUFFER_ALIGN); + if (ice->pro_open) + ice->pro_open(ice, substream); return 0; } @@ -1813,15 +1819,21 @@ static int snd_vt1724_pro_internal_clock_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); - + int hw_rates_count = ice->hw_rates->count; uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; uinfo->count = 1; - uinfo->value.enumerated.items = ice->hw_rates->count + 1; + + uinfo->value.enumerated.items = hw_rates_count + ice->ext_clock_count; + /* upper limit - keep at top */ if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items) uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1; - if (uinfo->value.enumerated.item == uinfo->value.enumerated.items - 1) - strcpy(uinfo->value.enumerated.name, "IEC958 Input"); + if (uinfo->value.enumerated.item >= hw_rates_count) + /* ext_clock items */ + strcpy(uinfo->value.enumerated.name, + ice->ext_clock_names[ + uinfo->value.enumerated.item - hw_rates_count]); else + /* int clock items */ sprintf(uinfo->value.enumerated.name, "%d", ice->hw_rates->list[uinfo->value.enumerated.item]); return 0; @@ -1835,7 +1847,8 @@ static int snd_vt1724_pro_internal_clock_get(struct snd_kcontrol *kcontrol, spin_lock_irq(&ice->reg_lock); if (ice->is_spdif_master(ice)) { - ucontrol->value.enumerated.item[0] = ice->hw_rates->count; + ucontrol->value.enumerated.item[0] = ice->hw_rates->count + + ice->get_spdif_master_type(ice); } else { rate = ice->get_rate(ice); ucontrol->value.enumerated.item[0] = 0; @@ -1850,8 +1863,14 @@ static int snd_vt1724_pro_internal_clock_get(struct snd_kcontrol *kcontrol, return 0; } +static int stdclock_get_spdif_master_type(struct snd_ice1712 *ice) +{ + /* standard external clock - only single type - SPDIF IN */ + return 0; +} + /* setting clock to external - SPDIF */ -static void stdclock_set_spdif_clock(struct snd_ice1712 *ice) +static int stdclock_set_spdif_clock(struct snd_ice1712 *ice, int type) { unsigned char oval; unsigned char i2s_oval; @@ -1860,27 +1879,30 @@ static void stdclock_set_spdif_clock(struct snd_ice1712 *ice) /* setting 256fs */ i2s_oval = inb(ICEMT1724(ice, I2S_FORMAT)); outb(i2s_oval & ~VT1724_MT_I2S_MCLK_128X, ICEMT1724(ice, I2S_FORMAT)); + return 0; } + static int snd_vt1724_pro_internal_clock_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); unsigned int old_rate, new_rate; unsigned int item = ucontrol->value.enumerated.item[0]; - unsigned int spdif = ice->hw_rates->count; + unsigned int first_ext_clock = ice->hw_rates->count; - if (item > spdif) + if (item > first_ext_clock + ice->ext_clock_count - 1) return -EINVAL; + /* if rate = 0 => external clock */ spin_lock_irq(&ice->reg_lock); if (ice->is_spdif_master(ice)) old_rate = 0; else old_rate = ice->get_rate(ice); - if (item == spdif) { - /* switching to external clock via SPDIF */ - ice->set_spdif_clock(ice); + if (item >= first_ext_clock) { + /* switching to external clock */ + ice->set_spdif_clock(ice, item - first_ext_clock); new_rate = 0; } else { /* internal on-card clock */ @@ -1892,7 +1914,7 @@ static int snd_vt1724_pro_internal_clock_put(struct snd_kcontrol *kcontrol, } spin_unlock_irq(&ice->reg_lock); - /* the first reset to the SPDIF master mode? */ + /* the first switch to the ext. clock mode? */ if (old_rate != new_rate && !new_rate) { /* notify akm chips as well */ unsigned int i; @@ -2550,6 +2572,9 @@ static int __devinit snd_vt1724_probe(struct pci_dev *pci, return err; } + /* field init before calling chip_init */ + ice->ext_clock_count = 0; + for (tbl = card_tables; *tbl; tbl++) { for (c = *tbl; c->subvendor; c++) { if (c->subvendor == ice->eeprom.subvendor) { @@ -2588,6 +2613,13 @@ __found: ice->set_mclk = stdclock_set_mclk; if (!ice->set_spdif_clock) ice->set_spdif_clock = stdclock_set_spdif_clock; + if (!ice->get_spdif_master_type) + ice->get_spdif_master_type = stdclock_get_spdif_master_type; + if (!ice->ext_clock_names) + ice->ext_clock_names = ext_clock_names; + if (!ice->ext_clock_count) + ice->ext_clock_count = ARRAY_SIZE(ext_clock_names); + if (!ice->hw_rates) set_std_hw_rates(ice); @@ -2747,7 +2779,7 @@ static int snd_vt1724_resume(struct pci_dev *pci) if (ice->pm_saved_is_spdif_master) { /* switching to external clock via SPDIF */ - ice->set_spdif_clock(ice); + ice->set_spdif_clock(ice, 0); } else { /* internal on-card clock */ snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 1); diff --git a/sound/pci/ice1712/juli.c b/sound/pci/ice1712/juli.c index 4789e8b..4bed963 100644 --- a/sound/pci/ice1712/juli.c +++ b/sound/pci/ice1712/juli.c @@ -529,13 +529,14 @@ static inline unsigned char juli_set_mclk(struct snd_ice1712 *ice, } /* setting clock to external - SPDIF */ -static void juli_set_spdif_clock(struct snd_ice1712 *ice) +static int juli_set_spdif_clock(struct snd_ice1712 *ice, int type) { unsigned int old; old = ice->gpio.get_data(ice); /* external clock (= 0), multiply 1x, 48kHz */ ice->gpio.set_data(ice, (old & ~GPIO_RATE_MASK) | GPIO_MULTI_1X | GPIO_FREQ_48KHZ); + return 0; } /* Called when ak4114 detects change in the input SPDIF stream */ |