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ALSA: oxygen: simplify model-specific MCLK handling 

Replace the get_i2s_mclk callback with tables of MCLK values.  This
simplifies the MCLK-handling code in both the framework and the model-
specific drivers.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Clemens Ladisch 2011-01-10 16:14:52 +01:00 committed by Takashi Iwai
parent bc29e262c3
commit 5b8bf2a54f
8 changed files with 89 additions and 95 deletions
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3
sound/pci/oxygen/oxygen.c
View File

@ -568,7 +568,6 @@ static const struct oxygen_model model_generic = {
.mixer_init = generic_wm8785_mixer_init,
.cleanup = generic_cleanup,
.resume = generic_resume,
.get_i2s_mclk = oxygen_default_i2s_mclk,
.set_dac_params = set_ak4396_params,
.set_adc_params = set_wm8785_params,
.update_dac_volume = update_ak4396_volume,
@ -589,6 +588,8 @@ static const struct oxygen_model model_generic = {
.dac_volume_max = 255,
.function_flags = OXYGEN_FUNCTION_SPI |
OXYGEN_FUNCTION_ENABLE_SPI_4_5,
.dac_mclks = OXYGEN_MCLKS(256, 256, 128),
.adc_mclks = OXYGEN_MCLKS(256, 256, 128),
.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
};

10
sound/pci/oxygen/oxygen.h
View File

@ -16,6 +16,10 @@
#define PCM_AC97 5
#define PCM_COUNT 6
#define OXYGEN_MCLKS(f_single, f_double, f_quad) ((MCLK_##f_single << 0) | \
(MCLK_##f_double << 2) | \
(MCLK_##f_quad << 4))
#define OXYGEN_IO_SIZE 0x100
#define OXYGEN_EEPROM_ID 0x434d /* "CM" */
@ -81,8 +85,6 @@ struct oxygen_model {
void (*resume)(struct oxygen *chip);
void (*pcm_hardware_filter)(unsigned int channel,
struct snd_pcm_hardware *hardware);
unsigned int (*get_i2s_mclk)(struct oxygen *chip, unsigned int channel,
struct snd_pcm_hw_params *hw_params);
void (*set_dac_params)(struct oxygen *chip,
struct snd_pcm_hw_params *params);
void (*set_adc_params)(struct oxygen *chip,
@ -105,6 +107,8 @@ struct oxygen_model {
u8 dac_volume_max;
u8 misc_flags;
u8 function_flags;
u8 dac_mclks;
u8 adc_mclks;
u16 dac_i2s_format;
u16 adc_i2s_format;
};
@ -171,8 +175,6 @@ void oxygen_update_spdif_source(struct oxygen *chip);
/* oxygen_pcm.c */
int oxygen_pcm_init(struct oxygen *chip);
unsigned int oxygen_default_i2s_mclk(struct oxygen *chip, unsigned int channel,
struct snd_pcm_hw_params *hw_params);
/* oxygen_io.c */

36
sound/pci/oxygen/oxygen_lib.c
View File

@ -414,28 +414,40 @@ static void oxygen_init(struct oxygen *chip)
(OXYGEN_FORMAT_16 << OXYGEN_MULTICH_FORMAT_SHIFT));
oxygen_write8(chip, OXYGEN_REC_CHANNELS, OXYGEN_REC_CHANNELS_2_2_2);
oxygen_write16(chip, OXYGEN_I2S_MULTICH_FORMAT,
OXYGEN_RATE_48000 | chip->model.dac_i2s_format |
OXYGEN_I2S_MCLK_256 | OXYGEN_I2S_BITS_16 |
OXYGEN_I2S_MASTER | OXYGEN_I2S_BCLK_64);
OXYGEN_RATE_48000 |
chip->model.dac_i2s_format |
OXYGEN_I2S_MCLK(chip->model.dac_mclks) |
OXYGEN_I2S_BITS_16 |
OXYGEN_I2S_MASTER |
OXYGEN_I2S_BCLK_64);
if (chip->model.device_config & CAPTURE_0_FROM_I2S_1)
oxygen_write16(chip, OXYGEN_I2S_A_FORMAT,
OXYGEN_RATE_48000 | chip->model.adc_i2s_format |
OXYGEN_I2S_MCLK_256 | OXYGEN_I2S_BITS_16 |
OXYGEN_I2S_MASTER | OXYGEN_I2S_BCLK_64);
OXYGEN_RATE_48000 |
chip->model.adc_i2s_format |
OXYGEN_I2S_MCLK(chip->model.adc_mclks) |
OXYGEN_I2S_BITS_16 |
OXYGEN_I2S_MASTER |
OXYGEN_I2S_BCLK_64);
else
oxygen_write16(chip, OXYGEN_I2S_A_FORMAT,
OXYGEN_I2S_MASTER | OXYGEN_I2S_MUTE_MCLK);
OXYGEN_I2S_MASTER |
OXYGEN_I2S_MUTE_MCLK);
if (chip->model.device_config & (CAPTURE_0_FROM_I2S_2 |
CAPTURE_2_FROM_I2S_2))
oxygen_write16(chip, OXYGEN_I2S_B_FORMAT,
OXYGEN_RATE_48000 | chip->model.adc_i2s_format |
OXYGEN_I2S_MCLK_256 | OXYGEN_I2S_BITS_16 |
OXYGEN_I2S_MASTER | OXYGEN_I2S_BCLK_64);
OXYGEN_RATE_48000 |
chip->model.adc_i2s_format |
OXYGEN_I2S_MCLK(chip->model.adc_mclks) |
OXYGEN_I2S_BITS_16 |
OXYGEN_I2S_MASTER |
OXYGEN_I2S_BCLK_64);
else
oxygen_write16(chip, OXYGEN_I2S_B_FORMAT,
OXYGEN_I2S_MASTER | OXYGEN_I2S_MUTE_MCLK);
OXYGEN_I2S_MASTER |
OXYGEN_I2S_MUTE_MCLK);
oxygen_write16(chip, OXYGEN_I2S_C_FORMAT,
OXYGEN_I2S_MASTER | OXYGEN_I2S_MUTE_MCLK);
OXYGEN_I2S_MASTER |
OXYGEN_I2S_MUTE_MCLK);
oxygen_clear_bits32(chip, OXYGEN_SPDIF_CONTROL,
OXYGEN_SPDIF_OUT_ENABLE |
OXYGEN_SPDIF_LOOPBACK);

39
sound/pci/oxygen/oxygen_pcm.c
View File

@ -274,17 +274,6 @@ static unsigned int oxygen_rate(struct snd_pcm_hw_params *hw_params)
}
}
unsigned int oxygen_default_i2s_mclk(struct oxygen *chip,
unsigned int channel,
struct snd_pcm_hw_params *hw_params)
{
if (params_rate(hw_params) <= 96000)
return OXYGEN_I2S_MCLK_256;
else
return OXYGEN_I2S_MCLK_128;
}
EXPORT_SYMBOL(oxygen_default_i2s_mclk);
static unsigned int oxygen_i2s_bits(struct snd_pcm_hw_params *hw_params)
{
if (params_format(hw_params) == SNDRV_PCM_FORMAT_S32_LE)
@ -344,6 +333,26 @@ static int oxygen_hw_params(struct snd_pcm_substream *substream,
return 0;
}
static u16 get_mclk(struct oxygen *chip, unsigned int channel,
struct snd_pcm_hw_params *params)
{
unsigned int mclks, shift;
if (channel == PCM_MULTICH)
mclks = chip->model.dac_mclks;
else
mclks = chip->model.adc_mclks;
if (params_rate(params) <= 48000)
shift = 0;
else if (params_rate(params) <= 96000)
shift = 2;
else
shift = 4;
return OXYGEN_I2S_MCLK(mclks >> shift);
}
static int oxygen_rec_a_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params)
{
@ -360,8 +369,8 @@ static int oxygen_rec_a_hw_params(struct snd_pcm_substream *substream,
OXYGEN_REC_FORMAT_A_MASK);
oxygen_write16_masked(chip, OXYGEN_I2S_A_FORMAT,
oxygen_rate(hw_params) |
chip->model.get_i2s_mclk(chip, PCM_A, hw_params) |
chip->model.adc_i2s_format |
get_mclk(chip, PCM_A, hw_params) |
oxygen_i2s_bits(hw_params),
OXYGEN_I2S_RATE_MASK |
OXYGEN_I2S_FORMAT_MASK |
@ -396,9 +405,8 @@ static int oxygen_rec_b_hw_params(struct snd_pcm_substream *substream,
if (!is_ac97)
oxygen_write16_masked(chip, OXYGEN_I2S_B_FORMAT,
oxygen_rate(hw_params) |
chip->model.get_i2s_mclk(chip, PCM_B,
hw_params) |
chip->model.adc_i2s_format |
get_mclk(chip, PCM_B, hw_params) |
oxygen_i2s_bits(hw_params),
OXYGEN_I2S_RATE_MASK |
OXYGEN_I2S_FORMAT_MASK |
@ -479,8 +487,7 @@ static int oxygen_multich_hw_params(struct snd_pcm_substream *substream,
oxygen_write16_masked(chip, OXYGEN_I2S_MULTICH_FORMAT,
oxygen_rate(hw_params) |
chip->model.dac_i2s_format |
chip->model.get_i2s_mclk(chip, PCM_MULTICH,
hw_params) |
get_mclk(chip, PCM_MULTICH, hw_params) |
oxygen_i2s_bits(hw_params),
OXYGEN_I2S_RATE_MASK |
OXYGEN_I2S_FORMAT_MASK |

8
sound/pci/oxygen/oxygen_regs.h
View File

@ -139,9 +139,11 @@
#define OXYGEN_I2S_FORMAT_I2S 0x0000
#define OXYGEN_I2S_FORMAT_LJUST 0x0008
#define OXYGEN_I2S_MCLK_MASK 0x0030 /* MCLK/LRCK */
#define OXYGEN_I2S_MCLK_128 0x0000
#define OXYGEN_I2S_MCLK_256 0x0010
#define OXYGEN_I2S_MCLK_512 0x0020
#define OXYGEN_I2S_MCLK_SHIFT 4
#define MCLK_128 0
#define MCLK_256 1
#define MCLK_512 2
#define OXYGEN_I2S_MCLK(f) (((f) & 3) << OXYGEN_I2S_MCLK_SHIFT)
#define OXYGEN_I2S_BITS_MASK 0x00c0
#define OXYGEN_I2S_BITS_16 0x0000
#define OXYGEN_I2S_BITS_20 0x0040

3
sound/pci/oxygen/xonar_cs43xx.c
View File

@ -412,7 +412,6 @@ static const struct oxygen_model model_xonar_d1 = {
.cleanup = xonar_d1_cleanup,
.suspend = xonar_d1_suspend,
.resume = xonar_d1_resume,
.get_i2s_mclk = oxygen_default_i2s_mclk,
.set_dac_params = set_cs43xx_params,
.set_adc_params = xonar_set_cs53x1_params,
.update_dac_volume = update_cs43xx_volume,
@ -431,6 +430,8 @@ static const struct oxygen_model model_xonar_d1 = {
.dac_volume_min = 127 - 60,
.dac_volume_max = 127,
.function_flags = OXYGEN_FUNCTION_2WIRE,
.dac_mclks = OXYGEN_MCLKS(256, 256, 128),
.adc_mclks = OXYGEN_MCLKS(256, 256, 128),
.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
};

82
sound/pci/oxygen/xonar_pcm179x.c
View File

@ -335,10 +335,6 @@ static void pcm1796_init(struct oxygen *chip)
data->h6 ? PCM1796_OS_64 : PCM1796_OS_128;
pcm1796_registers_init(chip);
data->current_rate = 48000;
if (!data->h6)
oxygen_write16_masked(chip, OXYGEN_I2S_MULTICH_FORMAT,
OXYGEN_I2S_MCLK_512,
OXYGEN_I2S_MCLK_MASK);
}
static void xonar_d2_init(struct oxygen *chip)
@ -476,7 +472,7 @@ static void xonar_st_init(struct oxygen *chip)
oxygen_write16(chip, OXYGEN_I2S_A_FORMAT,
OXYGEN_RATE_48000 |
OXYGEN_I2S_FORMAT_I2S |
(data->h6 ? OXYGEN_I2S_MCLK_256 : OXYGEN_I2S_MCLK_512) |
OXYGEN_I2S_MCLK(data->h6 ? MCLK_256 : MCLK_512) |
OXYGEN_I2S_BITS_16 |
OXYGEN_I2S_MASTER |
OXYGEN_I2S_BCLK_64);
@ -560,26 +556,6 @@ static void xonar_st_resume(struct oxygen *chip)
xonar_stx_resume(chip);
}
static unsigned int mclk_from_rate(struct oxygen *chip, unsigned int rate)
{
struct xonar_pcm179x *data = chip->model_data;
if (rate <= 48000)
return data->h6 ? OXYGEN_I2S_MCLK_256 : OXYGEN_I2S_MCLK_512;
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;
@ -640,45 +616,32 @@ static void update_cs2000_rate(struct oxygen *chip, unsigned int rate)
switch (rate) {
case 32000:
if (data->h6)
rate_mclk = OXYGEN_RATE_32000 | OXYGEN_I2S_MCLK_256;
else
rate_mclk = OXYGEN_RATE_32000 | OXYGEN_I2S_MCLK_512;
case 64000:
rate_mclk = OXYGEN_RATE_32000;
break;
case 44100:
if (data->h6)
rate_mclk = OXYGEN_RATE_44100 | OXYGEN_I2S_MCLK_256;
else
rate_mclk = OXYGEN_RATE_44100 | OXYGEN_I2S_MCLK_512;
break;
default: /* 48000 */
if (data->h6)
rate_mclk = OXYGEN_RATE_48000 | OXYGEN_I2S_MCLK_256;
else
rate_mclk = OXYGEN_RATE_48000 | OXYGEN_I2S_MCLK_512;
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_512;
rate_mclk = OXYGEN_RATE_44100;
break;
default:
case 48000:
case 96000:
case 192000:
rate_mclk = OXYGEN_RATE_48000 | OXYGEN_I2S_MCLK_512;
rate_mclk = OXYGEN_RATE_48000;
break;
}
if (rate <= 96000 && (rate > 48000 || data->h6)) {
rate_mclk |= OXYGEN_I2S_MCLK(MCLK_256);
reg = CS2000_REF_CLK_DIV_1;
} else {
rate_mclk |= OXYGEN_I2S_MCLK(MCLK_512);
reg = CS2000_REF_CLK_DIV_2;
}
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_256)
reg = CS2000_REF_CLK_DIV_1;
else
reg = CS2000_REF_CLK_DIV_2;
cs2000_write_cached(chip, CS2000_FUN_CFG_1, reg);
msleep(3); /* PLL lock delay */
}
@ -1047,7 +1010,6 @@ static const struct oxygen_model model_xonar_d2 = {
.cleanup = xonar_d2_cleanup,
.suspend = xonar_d2_suspend,
.resume = xonar_d2_resume,
.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,
@ -1069,6 +1031,8 @@ static const struct oxygen_model model_xonar_d2 = {
.misc_flags = OXYGEN_MISC_MIDI,
.function_flags = OXYGEN_FUNCTION_SPI |
OXYGEN_FUNCTION_ENABLE_SPI_4_5,
.dac_mclks = OXYGEN_MCLKS(512, 128, 128),
.adc_mclks = OXYGEN_MCLKS(256, 256, 128),
.dac_i2s_format = OXYGEN_I2S_FORMAT_I2S,
.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
};
@ -1082,7 +1046,6 @@ static const struct oxygen_model model_xonar_hdav = {
.suspend = xonar_hdav_suspend,
.resume = xonar_hdav_resume,
.pcm_hardware_filter = xonar_hdmi_pcm_hardware_filter,
.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,
@ -1102,6 +1065,8 @@ static const struct oxygen_model model_xonar_hdav = {
.dac_volume_max = 255,
.misc_flags = OXYGEN_MISC_MIDI,
.function_flags = OXYGEN_FUNCTION_2WIRE,
.dac_mclks = OXYGEN_MCLKS(512, 128, 128),
.adc_mclks = OXYGEN_MCLKS(256, 256, 128),
.dac_i2s_format = OXYGEN_I2S_FORMAT_I2S,
.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
};
@ -1114,7 +1079,6 @@ static const struct oxygen_model model_xonar_st = {
.cleanup = xonar_st_cleanup,
.suspend = xonar_st_suspend,
.resume = xonar_st_resume,
.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,
@ -1132,6 +1096,8 @@ static const struct oxygen_model model_xonar_st = {
.dac_volume_min = 255 - 2*60,
.dac_volume_max = 255,
.function_flags = OXYGEN_FUNCTION_2WIRE,
.dac_mclks = OXYGEN_MCLKS(512, 128, 128),
.adc_mclks = OXYGEN_MCLKS(256, 256, 128),
.dac_i2s_format = OXYGEN_I2S_FORMAT_I2S,
.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
};
@ -1159,6 +1125,7 @@ int __devinit get_xonar_pcm179x_model(struct oxygen *chip,
case GPIO_DB_H6:
chip->model.shortname = "Xonar HDAV1.3+H6";
chip->model.dac_channels_mixer = 8;
chip->model.dac_mclks = OXYGEN_MCLKS(256, 128, 128);
break;
}
break;
@ -1174,6 +1141,7 @@ int __devinit get_xonar_pcm179x_model(struct oxygen *chip,
chip->model.control_filter = xonar_st_h6_control_filter;
chip->model.dac_channels_pcm = 8;
chip->model.dac_channels_mixer = 8;
chip->model.dac_mclks = OXYGEN_MCLKS(256, 128, 128);
break;
}
break;

3
sound/pci/oxygen/xonar_wm87x6.c
View File

@ -1122,7 +1122,6 @@ static const struct oxygen_model model_xonar_ds = {
.suspend = xonar_ds_suspend,
.resume = xonar_ds_resume,
.pcm_hardware_filter = wm8776_adc_hardware_filter,
.get_i2s_mclk = oxygen_default_i2s_mclk,
.set_dac_params = set_wm87x6_dac_params,
.set_adc_params = set_wm8776_adc_params,
.update_dac_volume = update_wm87x6_volume,
@ -1140,6 +1139,8 @@ static const struct oxygen_model model_xonar_ds = {
.dac_volume_min = 255 - 2*60,
.dac_volume_max = 255,
.function_flags = OXYGEN_FUNCTION_SPI,
.dac_mclks = OXYGEN_MCLKS(256, 256, 128),
.adc_mclks = OXYGEN_MCLKS(256, 256, 128),
.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
};