Merge remote-tracking branch 'asoc/topic/max9877' into asoc-next
This commit is contained in:
Mark Brown
Коммит
6037fcad8e
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@ -14,170 +14,21 @@
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/i2c.h>
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#include <linux/regmap.h>
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#include <sound/soc.h>
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#include <sound/tlv.h>
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#include "max9877.h"
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static struct i2c_client *i2c;
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static struct regmap *regmap;
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static u8 max9877_regs[5] = { 0x40, 0x00, 0x00, 0x00, 0x49 };
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static void max9877_write_regs(void)
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{
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unsigned int i;
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u8 data[6];
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data[0] = MAX9877_INPUT_MODE;
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for (i = 0; i < ARRAY_SIZE(max9877_regs); i++)
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data[i + 1] = max9877_regs[i];
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if (i2c_master_send(i2c, data, 6) != 6)
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dev_err(&i2c->dev, "i2c write failed\n");
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}
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static int max9877_get_reg(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct soc_mixer_control *mc =
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(struct soc_mixer_control *)kcontrol->private_value;
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unsigned int reg = mc->reg;
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unsigned int shift = mc->shift;
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unsigned int mask = mc->max;
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unsigned int invert = mc->invert;
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ucontrol->value.integer.value[0] = (max9877_regs[reg] >> shift) & mask;
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if (invert)
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ucontrol->value.integer.value[0] =
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mask - ucontrol->value.integer.value[0];
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return 0;
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}
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static int max9877_set_reg(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct soc_mixer_control *mc =
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(struct soc_mixer_control *)kcontrol->private_value;
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unsigned int reg = mc->reg;
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unsigned int shift = mc->shift;
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unsigned int mask = mc->max;
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unsigned int invert = mc->invert;
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unsigned int val = (ucontrol->value.integer.value[0] & mask);
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if (invert)
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val = mask - val;
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if (((max9877_regs[reg] >> shift) & mask) == val)
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return 0;
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max9877_regs[reg] &= ~(mask << shift);
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max9877_regs[reg] |= val << shift;
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max9877_write_regs();
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return 1;
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}
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static int max9877_get_2reg(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct soc_mixer_control *mc =
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(struct soc_mixer_control *)kcontrol->private_value;
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unsigned int reg = mc->reg;
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unsigned int reg2 = mc->rreg;
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unsigned int shift = mc->shift;
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unsigned int mask = mc->max;
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ucontrol->value.integer.value[0] = (max9877_regs[reg] >> shift) & mask;
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ucontrol->value.integer.value[1] = (max9877_regs[reg2] >> shift) & mask;
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return 0;
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}
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static int max9877_set_2reg(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct soc_mixer_control *mc =
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(struct soc_mixer_control *)kcontrol->private_value;
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unsigned int reg = mc->reg;
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unsigned int reg2 = mc->rreg;
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unsigned int shift = mc->shift;
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unsigned int mask = mc->max;
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unsigned int val = (ucontrol->value.integer.value[0] & mask);
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unsigned int val2 = (ucontrol->value.integer.value[1] & mask);
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unsigned int change = 0;
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if (((max9877_regs[reg] >> shift) & mask) != val)
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change = 1;
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if (((max9877_regs[reg2] >> shift) & mask) != val2)
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change = 1;
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if (change) {
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max9877_regs[reg] &= ~(mask << shift);
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max9877_regs[reg] |= val << shift;
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max9877_regs[reg2] &= ~(mask << shift);
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max9877_regs[reg2] |= val2 << shift;
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max9877_write_regs();
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}
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return change;
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}
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static int max9877_get_out_mode(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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u8 value = max9877_regs[MAX9877_OUTPUT_MODE] & MAX9877_OUTMODE_MASK;
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if (value)
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value -= 1;
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ucontrol->value.integer.value[0] = value;
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return 0;
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}
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static int max9877_set_out_mode(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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u8 value = ucontrol->value.integer.value[0];
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value += 1;
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if ((max9877_regs[MAX9877_OUTPUT_MODE] & MAX9877_OUTMODE_MASK) == value)
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return 0;
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max9877_regs[MAX9877_OUTPUT_MODE] &= ~MAX9877_OUTMODE_MASK;
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max9877_regs[MAX9877_OUTPUT_MODE] |= value;
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max9877_write_regs();
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return 1;
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}
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static int max9877_get_osc_mode(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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u8 value = (max9877_regs[MAX9877_OUTPUT_MODE] & MAX9877_OSC_MASK);
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value = value >> MAX9877_OSC_OFFSET;
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ucontrol->value.integer.value[0] = value;
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return 0;
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}
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static int max9877_set_osc_mode(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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u8 value = ucontrol->value.integer.value[0];
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value = value << MAX9877_OSC_OFFSET;
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if ((max9877_regs[MAX9877_OUTPUT_MODE] & MAX9877_OSC_MASK) == value)
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return 0;
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max9877_regs[MAX9877_OUTPUT_MODE] &= ~MAX9877_OSC_MASK;
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max9877_regs[MAX9877_OUTPUT_MODE] |= value;
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max9877_write_regs();
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return 1;
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}
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static struct reg_default max9877_regs[] = {
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{ 0, 0x40 },
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{ 1, 0x00 },
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{ 2, 0x00 },
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{ 3, 0x00 },
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{ 4, 0x49 },
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};
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static const unsigned int max9877_pgain_tlv[] = {
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TLV_DB_RANGE_HEAD(2),
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@ -212,65 +63,104 @@ static const char *max9877_osc_mode[] = {
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};
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static const struct soc_enum max9877_enum[] = {
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SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(max9877_out_mode), max9877_out_mode),
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SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(max9877_osc_mode), max9877_osc_mode),
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SOC_ENUM_SINGLE(MAX9877_OUTPUT_MODE, 0, ARRAY_SIZE(max9877_out_mode),
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max9877_out_mode),
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SOC_ENUM_SINGLE(MAX9877_OUTPUT_MODE, MAX9877_OSC_OFFSET,
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ARRAY_SIZE(max9877_osc_mode), max9877_osc_mode),
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};
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static const struct snd_kcontrol_new max9877_controls[] = {
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SOC_SINGLE_EXT_TLV("MAX9877 PGAINA Playback Volume",
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MAX9877_INPUT_MODE, 0, 2, 0,
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max9877_get_reg, max9877_set_reg, max9877_pgain_tlv),
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SOC_SINGLE_EXT_TLV("MAX9877 PGAINB Playback Volume",
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MAX9877_INPUT_MODE, 2, 2, 0,
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max9877_get_reg, max9877_set_reg, max9877_pgain_tlv),
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SOC_SINGLE_EXT_TLV("MAX9877 Amp Speaker Playback Volume",
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MAX9877_SPK_VOLUME, 0, 31, 0,
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max9877_get_reg, max9877_set_reg, max9877_output_tlv),
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SOC_DOUBLE_R_EXT_TLV("MAX9877 Amp HP Playback Volume",
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MAX9877_HPL_VOLUME, MAX9877_HPR_VOLUME, 0, 31, 0,
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max9877_get_2reg, max9877_set_2reg, max9877_output_tlv),
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SOC_SINGLE_EXT("MAX9877 INB Stereo Switch",
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MAX9877_INPUT_MODE, 4, 1, 1,
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max9877_get_reg, max9877_set_reg),
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SOC_SINGLE_EXT("MAX9877 INA Stereo Switch",
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MAX9877_INPUT_MODE, 5, 1, 1,
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max9877_get_reg, max9877_set_reg),
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SOC_SINGLE_EXT("MAX9877 Zero-crossing detection Switch",
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MAX9877_INPUT_MODE, 6, 1, 0,
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max9877_get_reg, max9877_set_reg),
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SOC_SINGLE_EXT("MAX9877 Bypass Mode Switch",
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MAX9877_OUTPUT_MODE, 6, 1, 0,
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max9877_get_reg, max9877_set_reg),
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SOC_SINGLE_EXT("MAX9877 Shutdown Mode Switch",
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MAX9877_OUTPUT_MODE, 7, 1, 1,
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max9877_get_reg, max9877_set_reg),
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SOC_ENUM_EXT("MAX9877 Output Mode", max9877_enum[0],
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max9877_get_out_mode, max9877_set_out_mode),
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SOC_ENUM_EXT("MAX9877 Oscillator Mode", max9877_enum[1],
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max9877_get_osc_mode, max9877_set_osc_mode),
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SOC_SINGLE_TLV("MAX9877 PGAINA Playback Volume",
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MAX9877_INPUT_MODE, 0, 2, 0, max9877_pgain_tlv),
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SOC_SINGLE_TLV("MAX9877 PGAINB Playback Volume",
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MAX9877_INPUT_MODE, 2, 2, 0, max9877_pgain_tlv),
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SOC_SINGLE_TLV("MAX9877 Amp Speaker Playback Volume",
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MAX9877_SPK_VOLUME, 0, 31, 0, max9877_output_tlv),
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SOC_DOUBLE_R_TLV("MAX9877 Amp HP Playback Volume",
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MAX9877_HPL_VOLUME, MAX9877_HPR_VOLUME, 0, 31, 0,
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max9877_output_tlv),
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SOC_SINGLE("MAX9877 INB Stereo Switch",
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MAX9877_INPUT_MODE, 4, 1, 1),
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SOC_SINGLE("MAX9877 INA Stereo Switch",
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MAX9877_INPUT_MODE, 5, 1, 1),
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SOC_SINGLE("MAX9877 Zero-crossing detection Switch",
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MAX9877_INPUT_MODE, 6, 1, 0),
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SOC_SINGLE("MAX9877 Bypass Mode Switch",
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MAX9877_OUTPUT_MODE, 6, 1, 0),
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SOC_ENUM("MAX9877 Output Mode", max9877_enum[0]),
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SOC_ENUM("MAX9877 Oscillator Mode", max9877_enum[1]),
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};
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/* This function is called from ASoC machine driver */
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int max9877_add_controls(struct snd_soc_codec *codec)
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{
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return snd_soc_add_codec_controls(codec, max9877_controls,
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ARRAY_SIZE(max9877_controls));
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}
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EXPORT_SYMBOL_GPL(max9877_add_controls);
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static const struct snd_soc_dapm_widget max9877_dapm_widgets[] = {
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SND_SOC_DAPM_INPUT("INA1"),
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SND_SOC_DAPM_INPUT("INA2"),
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SND_SOC_DAPM_INPUT("INB1"),
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SND_SOC_DAPM_INPUT("INB2"),
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SND_SOC_DAPM_INPUT("RXIN+"),
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SND_SOC_DAPM_INPUT("RXIN-"),
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SND_SOC_DAPM_PGA("SHDN", MAX9877_OUTPUT_MODE, 7, 1, NULL, 0),
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SND_SOC_DAPM_OUTPUT("OUT+"),
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SND_SOC_DAPM_OUTPUT("OUT-"),
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SND_SOC_DAPM_OUTPUT("HPL"),
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SND_SOC_DAPM_OUTPUT("HPR"),
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};
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static const struct snd_soc_dapm_route max9877_dapm_routes[] = {
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{ "SHDN", NULL, "INA1" },
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{ "SHDN", NULL, "INA2" },
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{ "SHDN", NULL, "INB1" },
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{ "SHDN", NULL, "INB2" },
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{ "OUT+", NULL, "RXIN+" },
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{ "OUT+", NULL, "SHDN" },
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{ "OUT-", NULL, "SHDN" },
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{ "OUT-", NULL, "RXIN-" },
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{ "HPL", NULL, "SHDN" },
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{ "HPR", NULL, "SHDN" },
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};
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static const struct snd_soc_codec_driver max9877_codec = {
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.controls = max9877_controls,
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.num_controls = ARRAY_SIZE(max9877_controls),
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.dapm_widgets = max9877_dapm_widgets,
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.num_dapm_widgets = ARRAY_SIZE(max9877_dapm_widgets),
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.dapm_routes = max9877_dapm_routes,
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.num_dapm_routes = ARRAY_SIZE(max9877_dapm_routes),
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};
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static const struct regmap_config max9877_regmap = {
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.reg_bits = 8,
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.val_bits = 8,
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.reg_defaults = max9877_regs,
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.num_reg_defaults = ARRAY_SIZE(max9877_regs),
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.cache_type = REGCACHE_RBTREE,
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};
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static int max9877_i2c_probe(struct i2c_client *client,
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const struct i2c_device_id *id)
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{
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i2c = client;
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int i;
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max9877_write_regs();
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regmap = devm_regmap_init_i2c(client, &max9877_regmap);
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if (IS_ERR(regmap))
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return PTR_ERR(regmap);
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return 0;
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/* Ensure the device is in reset state */
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for (i = 0; i < ARRAY_SIZE(max9877_regs); i++)
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regmap_write(regmap, max9877_regs[i].reg, max9877_regs[i].def);
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return snd_soc_register_codec(&client->dev, &max9877_codec, NULL, 0);
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}
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static int max9877_i2c_remove(struct i2c_client *client)
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{
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i2c = NULL;
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snd_soc_unregister_codec(&client->dev);
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return 0;
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}
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