From b0dbdaea55d55c05be972cd2a040acfa073b0509 Mon Sep 17 00:00:00 2001 From: James Courtier-Dutton Date: Tue, 10 Oct 2006 18:08:45 +0100 Subject: [ALSA] snd-emu10k1: Add emu1010 internal clock rate control for 44100 or 48000. Signed-off-by: James Courtier-Dutton Signed-off-by: Jaroslav Kysela --- sound/pci/emu10k1/emumixer.c | 92 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 92 insertions(+) (limited to 'sound/pci/emu10k1/emumixer.c') diff --git a/sound/pci/emu10k1/emumixer.c b/sound/pci/emu10k1/emumixer.c index 2edf92a4f065..a118fee11cdd 100644 --- a/sound/pci/emu10k1/emumixer.c +++ b/sound/pci/emu10k1/emumixer.c @@ -35,6 +35,7 @@ #include #include #include +#include #define AC97_ID_STAC9758 0x83847658 @@ -490,6 +491,94 @@ static struct snd_kcontrol_new snd_emu1010_dac_pads[] __devinitdata = { EMU1010_DAC_PADS("DAC1 0202 14dB PAD Playback Switch", EMU_HANA_0202_DAC_PAD1), }; + +static int snd_emu1010_internal_clock_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + static char *texts[2] = { + "44100", "48000" + }; + + uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; + uinfo->count = 1; + uinfo->value.enumerated.items = 2; + if (uinfo->value.enumerated.item > 1) + uinfo->value.enumerated.item = 1; + strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); + return 0; +} + +static int snd_emu1010_internal_clock_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); + + ucontrol->value.enumerated.item[0] = emu->emu1010.internal_clock; + return 0; +} + +static int snd_emu1010_internal_clock_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); + unsigned int val; + int change = 0; + + val = ucontrol->value.enumerated.item[0] ; + change = (emu->emu1010.internal_clock != val); + if (change) { + emu->emu1010.internal_clock = val; + switch (val) { + case 0: + /* 44100 */ + /* Mute all */ + snd_emu1010_fpga_write(emu, EMU_HANA_UNMUTE, EMU_MUTE ); + /* Default fallback clock 48kHz */ + snd_emu1010_fpga_write(emu, EMU_HANA_DEFCLOCK, EMU_HANA_DEFCLOCK_44_1K ); + /* Word Clock source, Internal 44.1kHz x1 */ + snd_emu1010_fpga_write(emu, EMU_HANA_WCLOCK, + EMU_HANA_WCLOCK_INT_44_1K | EMU_HANA_WCLOCK_1X ); + /* Set LEDs on Audio Dock */ + snd_emu1010_fpga_write(emu, EMU_HANA_DOCK_LEDS_2, + EMU_HANA_DOCK_LEDS_2_44K | EMU_HANA_DOCK_LEDS_2_LOCK ); + /* Allow DLL to settle */ + udelay(10000); + /* Unmute all */ + snd_emu1010_fpga_write(emu, EMU_HANA_UNMUTE, EMU_UNMUTE ); + break; + case 1: + /* 48000 */ + /* Mute all */ + snd_emu1010_fpga_write(emu, EMU_HANA_UNMUTE, EMU_MUTE ); + /* Default fallback clock 48kHz */ + snd_emu1010_fpga_write(emu, EMU_HANA_DEFCLOCK, EMU_HANA_DEFCLOCK_48K ); + /* Word Clock source, Internal 48kHz x1 */ + snd_emu1010_fpga_write(emu, EMU_HANA_WCLOCK, + EMU_HANA_WCLOCK_INT_48K | EMU_HANA_WCLOCK_1X ); + /* Set LEDs on Audio Dock */ + snd_emu1010_fpga_write(emu, EMU_HANA_DOCK_LEDS_2, + EMU_HANA_DOCK_LEDS_2_48K | EMU_HANA_DOCK_LEDS_2_LOCK ); + /* Allow DLL to settle */ + udelay(10000); + /* Unmute all */ + snd_emu1010_fpga_write(emu, EMU_HANA_UNMUTE, EMU_UNMUTE ); + break; + } + } + return change; +} + +static struct snd_kcontrol_new snd_emu1010_internal_clock = +{ + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Clock Internal Rate", + .count = 1, + .info = snd_emu1010_internal_clock_info, + .get = snd_emu1010_internal_clock_get, + .put = snd_emu1010_internal_clock_put +}; + #if 0 static int snd_audigy_spdif_output_rate_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { @@ -1491,6 +1580,9 @@ int __devinit snd_emu10k1_mixer(struct snd_emu10k1 *emu, if (err < 0) return err; } + err = snd_ctl_add(card, snd_ctl_new1(&snd_emu1010_internal_clock, emu)); + if (err < 0) + return err; } return 0; -- cgit v1.2.3