From b0dbdaea55d55c05be972cd2a040acfa073b0509 Mon Sep 17 00:00:00 2001 From: James Courtier-Dutton Date: Tue, 10 Oct 2006 18:08:45 +0100 Subject: [PATCH] [ALSA] snd-emu10k1: Add emu1010 internal clock rate control for 44100 or 48000. Signed-off-by: James Courtier-Dutton Signed-off-by: Jaroslav Kysela --- include/sound/emu10k1.h | 1 + sound/pci/emu10k1/emu10k1_main.c | 1 + sound/pci/emu10k1/emumixer.c | 92 ++++++++++++++++++++++++++++++++ sound/pci/emu10k1/emupcm.c | 28 +++++++--- 4 files changed, 116 insertions(+), 6 deletions(-) diff --git a/include/sound/emu10k1.h b/include/sound/emu10k1.h index 7cfa91e7bde8..8b28304f2c42 100644 --- a/include/sound/emu10k1.h +++ b/include/sound/emu10k1.h @@ -1392,6 +1392,7 @@ struct snd_emu1010 { unsigned int input_source[64]; unsigned int adc_pads; /* bit mask */ unsigned int dac_pads; /* bit mask */ + unsigned int internal_clock; /* 44100 or 48000 */ }; struct snd_emu10k1 { diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c index 341a2775d286..711e819e4a0b 100644 --- a/sound/pci/emu10k1/emu10k1_main.c +++ b/sound/pci/emu10k1/emu10k1_main.c @@ -1014,6 +1014,7 @@ static int snd_emu10k1_emu1010_init(struct snd_emu10k1 * emu) /* Word Clock source, Internal 48kHz x1 */ snd_emu1010_fpga_write(emu, EMU_HANA_WCLOCK, EMU_HANA_WCLOCK_INT_48K ); //snd_emu1010_fpga_write(emu, EMU_HANA_WCLOCK, EMU_HANA_WCLOCK_INT_48K | EMU_HANA_WCLOCK_4X ); + emu->emu1010.internal_clock = 1; /* 48000 */ snd_emu1010_fpga_write(emu, EMU_HANA_DOCK_LEDS_2, 0x12);/* Set LEDs on Audio Dock */ snd_emu1010_fpga_write(emu, EMU_HANA_UNMUTE, 0x1); /* Unmute all */ //snd_emu1010_fpga_write(emu, 0x7, 0x0); /* Mute all */ 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; diff --git a/sound/pci/emu10k1/emupcm.c b/sound/pci/emu10k1/emupcm.c index 44d098ac86d5..ab4f5df5241b 100644 --- a/sound/pci/emu10k1/emupcm.c +++ b/sound/pci/emu10k1/emupcm.c @@ -358,7 +358,10 @@ static void snd_emu10k1_pcm_init_voice(struct snd_emu10k1 *emu, snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]); snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24)); snd_emu10k1_ptr_write(emu, PSST, voice, start_addr | (send_amount[2] << 24)); - pitch_target = emu10k1_calc_pitch_target(runtime->rate); + if (emu->card_capabilities->emu1010) + pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */ + else + pitch_target = emu10k1_calc_pitch_target(runtime->rate); if (extra) snd_emu10k1_ptr_write(emu, CCCA, voice, start_addr | emu10k1_select_interprom(pitch_target) | @@ -698,7 +701,10 @@ static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct s voice = evoice->number; pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8; - pitch_target = emu10k1_calc_pitch_target(runtime->rate); + if (emu->card_capabilities->emu1010) + pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */ + else + pitch_target = emu10k1_calc_pitch_target(runtime->rate); snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target); if (master || evoice->epcm->type == PLAYBACK_EFX) snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target); @@ -1247,10 +1253,20 @@ static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream) * for 192kHz 24bit, one has 2 channels */ #if 1 - /* For 48kHz */ - runtime->hw.rates = SNDRV_PCM_RATE_48000; - runtime->hw.rate_min = runtime->hw.rate_max = 48000; - runtime->hw.channels_min = runtime->hw.channels_max = 8; + switch (emu->emu1010.internal_clock) { + case 0: + /* For 44.1kHz */ + runtime->hw.rates = SNDRV_PCM_RATE_44100; + runtime->hw.rate_min = runtime->hw.rate_max = 44100; + runtime->hw.channels_min = runtime->hw.channels_max = 8; + break; + case 1: + /* For 48kHz */ + runtime->hw.rates = SNDRV_PCM_RATE_48000; + runtime->hw.rate_min = runtime->hw.rate_max = 48000; + runtime->hw.channels_min = runtime->hw.channels_max = 8; + break; + }; #endif #if 0 /* For 96kHz */ -- 2.30.2