diff options
author | Clemens Ladisch <clemens@ladisch.de> | 2009-09-28 09:20:47 (GMT) |
---|---|---|
committer | Takashi Iwai <tiwai@suse.de> | 2009-09-28 09:54:52 (GMT) |
commit | 973dca93a3d46cca7e4743300f8a510b779906af (patch) | |
tree | 35ecad5f3d2f5453aff442471d5b1b88e1b0aa98 /sound/pci/oxygen/xonar_pcm179x.c | |
parent | 76ffe1e3fb2f65e98d7ed001c5a2b6f334655364 (diff) | |
download | linux-973dca93a3d46cca7e4743300f8a510b779906af.tar.xz |
sound: virtuoso: add PCM1796 oversampling control
Add a control to increase the oversampling factor to 128x on cards with
PCM1796 or PCM1792A DACs.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/oxygen/xonar_pcm179x.c')
-rw-r--r-- | sound/pci/oxygen/xonar_pcm179x.c | 182 |
1 files changed, 157 insertions, 25 deletions
diff --git a/sound/pci/oxygen/xonar_pcm179x.c b/sound/pci/oxygen/xonar_pcm179x.c index 35b3fb4..7f153fb 100644 --- a/sound/pci/oxygen/xonar_pcm179x.c +++ b/sound/pci/oxygen/xonar_pcm179x.c @@ -173,8 +173,11 @@ struct xonar_pcm179x { struct xonar_generic generic; unsigned int dacs; u8 pcm1796_regs[4][5]; + unsigned int current_rate; + bool os_128; bool hp_active; s8 hp_gain_offset; + bool has_cs2000; u8 cs2000_fun_cfg_1; }; @@ -277,6 +280,7 @@ static void pcm1796_init(struct oxygen *chip) PCM1796_DMF_DISABLED | PCM1796_FMT_24_LJUST | PCM1796_ATLD; data->pcm1796_regs[0][20 - PCM1796_REG_BASE] = PCM1796_OS_64; pcm1796_registers_init(chip); + data->current_rate = 48000; } static void xonar_d2_init(struct oxygen *chip) @@ -401,6 +405,7 @@ static void xonar_st_init(struct oxygen *chip) { struct xonar_pcm179x *data = chip->model_data; + data->has_cs2000 = 1; data->cs2000_fun_cfg_1 = CS2000_REF_CLK_DIV_1; oxygen_write16(chip, OXYGEN_I2S_A_FORMAT, @@ -486,18 +491,57 @@ static void xonar_st_resume(struct oxygen *chip) xonar_stx_resume(chip); } -static void set_pcm1796_params(struct oxygen *chip, - struct snd_pcm_hw_params *params) +static unsigned int mclk_from_rate(struct oxygen *chip, unsigned int rate) +{ + struct xonar_pcm179x *data = chip->model_data; + + if (rate <= 32000) + return OXYGEN_I2S_MCLK_512; + else if (rate <= 48000 && data->os_128) + return OXYGEN_I2S_MCLK_512; + else if (rate <= 96000) + return OXYGEN_I2S_MCLK_256; + else + return OXYGEN_I2S_MCLK_128; +} + +static unsigned int get_pcm1796_i2s_mclk(struct oxygen *chip, + unsigned int channel, + struct snd_pcm_hw_params *params) +{ + if (channel == PCM_MULTICH) + return mclk_from_rate(chip, params_rate(params)); + else + return oxygen_default_i2s_mclk(chip, channel, params); +} + +static void update_pcm1796_oversampling(struct oxygen *chip) { struct xonar_pcm179x *data = chip->model_data; unsigned int i; u8 reg; - reg = params_rate(params) >= 96000 ? PCM1796_OS_32 : PCM1796_OS_64; + if (data->current_rate <= 32000) + reg = PCM1796_OS_128; + else if (data->current_rate <= 48000 && data->os_128) + reg = PCM1796_OS_128; + else if (data->current_rate <= 96000 || data->os_128) + reg = PCM1796_OS_64; + else + reg = PCM1796_OS_32; for (i = 0; i < data->dacs; ++i) pcm1796_write_cached(chip, i, 20, reg); } +static void set_pcm1796_params(struct oxygen *chip, + struct snd_pcm_hw_params *params) +{ + struct xonar_pcm179x *data = chip->model_data; + + data->current_rate = params_rate(params); + update_pcm1796_oversampling(chip); +} + static void update_pcm1796_volume(struct oxygen *chip) { struct xonar_pcm179x *data = chip->model_data; @@ -526,26 +570,44 @@ static void update_pcm1796_mute(struct oxygen *chip) pcm1796_write_cached(chip, i, 18, value); } -static void set_cs2000_params(struct oxygen *chip, - struct snd_pcm_hw_params *params) +static void update_cs2000_rate(struct oxygen *chip, unsigned int rate) { - /* XXX Why is the I2S A MCLK half the actual I2S multich MCLK? */ - static const u8 rate_mclks[] = { - [OXYGEN_RATE_32000] = OXYGEN_RATE_32000 | OXYGEN_I2S_MCLK_128, - [OXYGEN_RATE_44100] = OXYGEN_RATE_44100 | OXYGEN_I2S_MCLK_128, - [OXYGEN_RATE_48000] = OXYGEN_RATE_48000 | OXYGEN_I2S_MCLK_128, - [OXYGEN_RATE_64000] = OXYGEN_RATE_32000 | OXYGEN_I2S_MCLK_256, - [OXYGEN_RATE_88200] = OXYGEN_RATE_44100 | OXYGEN_I2S_MCLK_256, - [OXYGEN_RATE_96000] = OXYGEN_RATE_48000 | OXYGEN_I2S_MCLK_256, - [OXYGEN_RATE_176400] = OXYGEN_RATE_44100 | OXYGEN_I2S_MCLK_256, - [OXYGEN_RATE_192000] = OXYGEN_RATE_48000 | OXYGEN_I2S_MCLK_256, - }; - unsigned int rate_index; + struct xonar_pcm179x *data = chip->model_data; u8 rate_mclk, reg; - rate_index = oxygen_read16(chip, OXYGEN_I2S_MULTICH_FORMAT) - & OXYGEN_I2S_RATE_MASK; - rate_mclk = rate_mclks[rate_index]; + switch (rate) { + /* XXX Why is the I2S A MCLK half the actual I2S MCLK? */ + case 32000: + rate_mclk = OXYGEN_RATE_32000 | OXYGEN_I2S_MCLK_256; + break; + case 44100: + if (data->os_128) + rate_mclk = OXYGEN_RATE_44100 | OXYGEN_I2S_MCLK_256; + else + rate_mclk = OXYGEN_RATE_44100 | OXYGEN_I2S_MCLK_128; + break; + default: /* 48000 */ + if (data->os_128) + rate_mclk = OXYGEN_RATE_48000 | OXYGEN_I2S_MCLK_256; + else + rate_mclk = OXYGEN_RATE_48000 | OXYGEN_I2S_MCLK_128; + break; + case 64000: + rate_mclk = OXYGEN_RATE_32000 | OXYGEN_I2S_MCLK_256; + break; + case 88200: + rate_mclk = OXYGEN_RATE_44100 | OXYGEN_I2S_MCLK_256; + break; + case 96000: + rate_mclk = OXYGEN_RATE_48000 | OXYGEN_I2S_MCLK_256; + break; + case 176400: + rate_mclk = OXYGEN_RATE_44100 | OXYGEN_I2S_MCLK_256; + break; + case 192000: + rate_mclk = OXYGEN_RATE_48000 | OXYGEN_I2S_MCLK_256; + break; + } oxygen_write16_masked(chip, OXYGEN_I2S_A_FORMAT, rate_mclk, OXYGEN_I2S_RATE_MASK | OXYGEN_I2S_MCLK_MASK); if ((rate_mclk & OXYGEN_I2S_MCLK_MASK) <= OXYGEN_I2S_MCLK_128) @@ -558,7 +620,7 @@ static void set_cs2000_params(struct oxygen *chip, static void set_st_params(struct oxygen *chip, struct snd_pcm_hw_params *params) { - set_cs2000_params(chip, params); + update_cs2000_rate(chip, params_rate(params)); set_pcm1796_params(chip, params); } @@ -580,6 +642,59 @@ static const struct snd_kcontrol_new alt_switch = { .private_value = GPIO_D2_ALT, }; +static int os_128_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info) +{ + static const char *const names[2] = { "64x", "128x" }; + + info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; + info->count = 1; + info->value.enumerated.items = 2; + if (info->value.enumerated.item >= 2) + info->value.enumerated.item = 1; + strcpy(info->value.enumerated.name, names[info->value.enumerated.item]); + return 0; +} + +static int os_128_get(struct snd_kcontrol *ctl, + struct snd_ctl_elem_value *value) +{ + struct oxygen *chip = ctl->private_data; + struct xonar_pcm179x *data = chip->model_data; + + value->value.enumerated.item[0] = data->os_128; + return 0; +} + +static int os_128_put(struct snd_kcontrol *ctl, + struct snd_ctl_elem_value *value) +{ + struct oxygen *chip = ctl->private_data; + struct xonar_pcm179x *data = chip->model_data; + int changed; + + mutex_lock(&chip->mutex); + changed = value->value.enumerated.item[0] != data->os_128; + if (changed) { + data->os_128 = value->value.enumerated.item[0]; + if (data->has_cs2000) + update_cs2000_rate(chip, data->current_rate); + oxygen_write16_masked(chip, OXYGEN_I2S_MULTICH_FORMAT, + mclk_from_rate(chip, data->current_rate), + OXYGEN_I2S_MCLK_MASK); + update_pcm1796_oversampling(chip); + } + mutex_unlock(&chip->mutex); + return changed; +} + +static const struct snd_kcontrol_new os_128_control = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "DAC Oversampling Playback Enum", + .info = os_128_info, + .get = os_128_get, + .put = os_128_put, +}; + static int st_output_switch_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info) { @@ -745,7 +860,20 @@ static int xonar_st_control_filter(struct snd_kcontrol_new *template) static int xonar_d2_mixer_init(struct oxygen *chip) { - return snd_ctl_add(chip->card, snd_ctl_new1(&alt_switch, chip)); + int err; + + err = snd_ctl_add(chip->card, snd_ctl_new1(&alt_switch, chip)); + if (err < 0) + return err; + err = snd_ctl_add(chip->card, snd_ctl_new1(&os_128_control, chip)); + if (err < 0) + return err; + return 0; +} + +static int xonar_hdav_mixer_init(struct oxygen *chip) +{ + return snd_ctl_add(chip->card, snd_ctl_new1(&os_128_control, chip)); } static int xonar_st_mixer_init(struct oxygen *chip) @@ -759,6 +887,9 @@ static int xonar_st_mixer_init(struct oxygen *chip) if (err < 0) return err; } + err = snd_ctl_add(chip->card, snd_ctl_new1(&os_128_control, chip)); + if (err < 0) + return err; return 0; } @@ -771,7 +902,7 @@ static const struct oxygen_model model_xonar_d2 = { .cleanup = xonar_d2_cleanup, .suspend = xonar_d2_suspend, .resume = xonar_d2_resume, - .get_i2s_mclk = oxygen_default_i2s_mclk, + .get_i2s_mclk = get_pcm1796_i2s_mclk, .set_dac_params = set_pcm1796_params, .set_adc_params = xonar_set_cs53x1_params, .update_dac_volume = update_pcm1796_volume, @@ -798,11 +929,12 @@ static const struct oxygen_model model_xonar_hdav = { .longname = "Asus Virtuoso 200", .chip = "AV200", .init = xonar_hdav_init, + .mixer_init = xonar_hdav_mixer_init, .cleanup = xonar_hdav_cleanup, .suspend = xonar_hdav_suspend, .resume = xonar_hdav_resume, .pcm_hardware_filter = xonar_hdmi_pcm_hardware_filter, - .get_i2s_mclk = oxygen_default_i2s_mclk, + .get_i2s_mclk = get_pcm1796_i2s_mclk, .set_dac_params = set_hdav_params, .set_adc_params = xonar_set_cs53x1_params, .update_dac_volume = update_pcm1796_volume, @@ -833,7 +965,7 @@ static const struct oxygen_model model_xonar_st = { .cleanup = xonar_st_cleanup, .suspend = xonar_st_suspend, .resume = xonar_st_resume, - .get_i2s_mclk = oxygen_default_i2s_mclk, + .get_i2s_mclk = get_pcm1796_i2s_mclk, .set_dac_params = set_st_params, .set_adc_params = xonar_set_cs53x1_params, .update_dac_volume = update_pcm1796_volume, |