diff options
Diffstat (limited to 'sound/soc/codecs/twl4030.c')
| -rw-r--r-- | sound/soc/codecs/twl4030.c | 1292 |
1 files changed, 0 insertions, 1292 deletions
diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.c deleted file mode 100644 index 373daa486cea..000000000000 --- a/sound/soc/codecs/twl4030.c +++ /dev/null @@ -1,1292 +0,0 @@ -/* - * ALSA SoC TWL4030 codec driver - * - * Author: Steve Sakoman, <steve@sakoman.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - */ - -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/pm.h> -#include <linux/i2c.h> -#include <linux/platform_device.h> -#include <linux/i2c/twl4030.h> -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/soc.h> -#include <sound/soc-dapm.h> -#include <sound/initval.h> -#include <sound/tlv.h> - -#include "twl4030.h" - -/* - * twl4030 register cache & default register settings - */ -static const u8 twl4030_reg[TWL4030_CACHEREGNUM] = { - 0x00, /* this register not used */ - 0x93, /* REG_CODEC_MODE (0x1) */ - 0xc3, /* REG_OPTION (0x2) */ - 0x00, /* REG_UNKNOWN (0x3) */ - 0x00, /* REG_MICBIAS_CTL (0x4) */ - 0x20, /* REG_ANAMICL (0x5) */ - 0x00, /* REG_ANAMICR (0x6) */ - 0x00, /* REG_AVADC_CTL (0x7) */ - 0x00, /* REG_ADCMICSEL (0x8) */ - 0x00, /* REG_DIGMIXING (0x9) */ - 0x0c, /* REG_ATXL1PGA (0xA) */ - 0x0c, /* REG_ATXR1PGA (0xB) */ - 0x00, /* REG_AVTXL2PGA (0xC) */ - 0x00, /* REG_AVTXR2PGA (0xD) */ - 0x01, /* REG_AUDIO_IF (0xE) */ - 0x00, /* REG_VOICE_IF (0xF) */ - 0x00, /* REG_ARXR1PGA (0x10) */ - 0x00, /* REG_ARXL1PGA (0x11) */ - 0x6c, /* REG_ARXR2PGA (0x12) */ - 0x6c, /* REG_ARXL2PGA (0x13) */ - 0x00, /* REG_VRXPGA (0x14) */ - 0x00, /* REG_VSTPGA (0x15) */ - 0x00, /* REG_VRX2ARXPGA (0x16) */ - 0x0c, /* REG_AVDAC_CTL (0x17) */ - 0x00, /* REG_ARX2VTXPGA (0x18) */ - 0x00, /* REG_ARXL1_APGA_CTL (0x19) */ - 0x00, /* REG_ARXR1_APGA_CTL (0x1A) */ - 0x4b, /* REG_ARXL2_APGA_CTL (0x1B) */ - 0x4b, /* REG_ARXR2_APGA_CTL (0x1C) */ - 0x00, /* REG_ATX2ARXPGA (0x1D) */ - 0x00, /* REG_BT_IF (0x1E) */ - 0x00, /* REG_BTPGA (0x1F) */ - 0x00, /* REG_BTSTPGA (0x20) */ - 0x00, /* REG_EAR_CTL (0x21) */ - 0x24, /* REG_HS_SEL (0x22) */ - 0x0a, /* REG_HS_GAIN_SET (0x23) */ - 0x00, /* REG_HS_POPN_SET (0x24) */ - 0x00, /* REG_PREDL_CTL (0x25) */ - 0x00, /* REG_PREDR_CTL (0x26) */ - 0x00, /* REG_PRECKL_CTL (0x27) */ - 0x00, /* REG_PRECKR_CTL (0x28) */ - 0x00, /* REG_HFL_CTL (0x29) */ - 0x00, /* REG_HFR_CTL (0x2A) */ - 0x00, /* REG_ALC_CTL (0x2B) */ - 0x00, /* REG_ALC_SET1 (0x2C) */ - 0x00, /* REG_ALC_SET2 (0x2D) */ - 0x00, /* REG_BOOST_CTL (0x2E) */ - 0x00, /* REG_SOFTVOL_CTL (0x2F) */ - 0x00, /* REG_DTMF_FREQSEL (0x30) */ - 0x00, /* REG_DTMF_TONEXT1H (0x31) */ - 0x00, /* REG_DTMF_TONEXT1L (0x32) */ - 0x00, /* REG_DTMF_TONEXT2H (0x33) */ - 0x00, /* REG_DTMF_TONEXT2L (0x34) */ - 0x00, /* REG_DTMF_TONOFF (0x35) */ - 0x00, /* REG_DTMF_WANONOFF (0x36) */ - 0x00, /* REG_I2S_RX_SCRAMBLE_H (0x37) */ - 0x00, /* REG_I2S_RX_SCRAMBLE_M (0x38) */ - 0x00, /* REG_I2S_RX_SCRAMBLE_L (0x39) */ - 0x16, /* REG_APLL_CTL (0x3A) */ - 0x00, /* REG_DTMF_CTL (0x3B) */ - 0x00, /* REG_DTMF_PGA_CTL2 (0x3C) */ - 0x00, /* REG_DTMF_PGA_CTL1 (0x3D) */ - 0x00, /* REG_MISC_SET_1 (0x3E) */ - 0x00, /* REG_PCMBTMUX (0x3F) */ - 0x00, /* not used (0x40) */ - 0x00, /* not used (0x41) */ - 0x00, /* not used (0x42) */ - 0x00, /* REG_RX_PATH_SEL (0x43) */ - 0x00, /* REG_VDL_APGA_CTL (0x44) */ - 0x00, /* REG_VIBRA_CTL (0x45) */ - 0x00, /* REG_VIBRA_SET (0x46) */ - 0x00, /* REG_VIBRA_PWM_SET (0x47) */ - 0x00, /* REG_ANAMIC_GAIN (0x48) */ - 0x00, /* REG_MISC_SET_2 (0x49) */ -}; - -/* - * read twl4030 register cache - */ -static inline unsigned int twl4030_read_reg_cache(struct snd_soc_codec *codec, - unsigned int reg) -{ - u8 *cache = codec->reg_cache; - - return cache[reg]; -} - -/* - * write twl4030 register cache - */ -static inline void twl4030_write_reg_cache(struct snd_soc_codec *codec, - u8 reg, u8 value) -{ - u8 *cache = codec->reg_cache; - - if (reg >= TWL4030_CACHEREGNUM) - return; - cache[reg] = value; -} - -/* - * write to the twl4030 register space - */ -static int twl4030_write(struct snd_soc_codec *codec, - unsigned int reg, unsigned int value) -{ - twl4030_write_reg_cache(codec, reg, value); - return twl4030_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, value, reg); -} - -static void twl4030_clear_codecpdz(struct snd_soc_codec *codec) -{ - u8 mode; - - mode = twl4030_read_reg_cache(codec, TWL4030_REG_CODEC_MODE); - twl4030_write(codec, TWL4030_REG_CODEC_MODE, - mode & ~TWL4030_CODECPDZ); - - /* REVISIT: this delay is present in TI sample drivers */ - /* but there seems to be no TRM requirement for it */ - udelay(10); -} - -static void twl4030_set_codecpdz(struct snd_soc_codec *codec) -{ - u8 mode; - - mode = twl4030_read_reg_cache(codec, TWL4030_REG_CODEC_MODE); - twl4030_write(codec, TWL4030_REG_CODEC_MODE, - mode | TWL4030_CODECPDZ); - - /* REVISIT: this delay is present in TI sample drivers */ - /* but there seems to be no TRM requirement for it */ - udelay(10); -} - -static void twl4030_init_chip(struct snd_soc_codec *codec) -{ - int i; - - /* clear CODECPDZ prior to setting register defaults */ - twl4030_clear_codecpdz(codec); - - /* set all audio section registers to reasonable defaults */ - for (i = TWL4030_REG_OPTION; i <= TWL4030_REG_MISC_SET_2; i++) - twl4030_write(codec, i, twl4030_reg[i]); - -} - -/* Earpiece */ -static const char *twl4030_earpiece_texts[] = - {"Off", "DACL1", "DACL2", "Invalid", - "DACR1"}; - -static const struct soc_enum twl4030_earpiece_enum = - SOC_ENUM_SINGLE(TWL4030_REG_EAR_CTL, 1, - ARRAY_SIZE(twl4030_earpiece_texts), - twl4030_earpiece_texts); - -static const struct snd_kcontrol_new twl4030_dapm_earpiece_control = -SOC_DAPM_ENUM("Route", twl4030_earpiece_enum); - -/* PreDrive Left */ -static const char *twl4030_predrivel_texts[] = - {"Off", "DACL1", "DACL2", "Invalid", - "DACR2"}; - -static const struct soc_enum twl4030_predrivel_enum = - SOC_ENUM_SINGLE(TWL4030_REG_PREDL_CTL, 1, - ARRAY_SIZE(twl4030_predrivel_texts), - twl4030_predrivel_texts); - -static const struct snd_kcontrol_new twl4030_dapm_predrivel_control = -SOC_DAPM_ENUM("Route", twl4030_predrivel_enum); - -/* PreDrive Right */ -static const char *twl4030_predriver_texts[] = - {"Off", "DACR1", "DACR2", "Invalid", - "DACL2"}; - -static const struct soc_enum twl4030_predriver_enum = - SOC_ENUM_SINGLE(TWL4030_REG_PREDR_CTL, 1, - ARRAY_SIZE(twl4030_predriver_texts), - twl4030_predriver_texts); - -static const struct snd_kcontrol_new twl4030_dapm_predriver_control = -SOC_DAPM_ENUM("Route", twl4030_predriver_enum); - -/* Headset Left */ -static const char *twl4030_hsol_texts[] = - {"Off", "DACL1", "DACL2"}; - -static const struct soc_enum twl4030_hsol_enum = - SOC_ENUM_SINGLE(TWL4030_REG_HS_SEL, 1, - ARRAY_SIZE(twl4030_hsol_texts), - twl4030_hsol_texts); - -static const struct snd_kcontrol_new twl4030_dapm_hsol_control = -SOC_DAPM_ENUM("Route", twl4030_hsol_enum); - -/* Headset Right */ -static const char *twl4030_hsor_texts[] = - {"Off", "DACR1", "DACR2"}; - -static const struct soc_enum twl4030_hsor_enum = - SOC_ENUM_SINGLE(TWL4030_REG_HS_SEL, 4, - ARRAY_SIZE(twl4030_hsor_texts), - twl4030_hsor_texts); - -static const struct snd_kcontrol_new twl4030_dapm_hsor_control = -SOC_DAPM_ENUM("Route", twl4030_hsor_enum); - -/* Carkit Left */ -static const char *twl4030_carkitl_texts[] = - {"Off", "DACL1", "DACL2"}; - -static const struct soc_enum twl4030_carkitl_enum = - SOC_ENUM_SINGLE(TWL4030_REG_PRECKL_CTL, 1, - ARRAY_SIZE(twl4030_carkitl_texts), - twl4030_carkitl_texts); - -static const struct snd_kcontrol_new twl4030_dapm_carkitl_control = -SOC_DAPM_ENUM("Route", twl4030_carkitl_enum); - -/* Carkit Right */ -static const char *twl4030_carkitr_texts[] = - {"Off", "DACR1", "DACR2"}; - -static const struct soc_enum twl4030_carkitr_enum = - SOC_ENUM_SINGLE(TWL4030_REG_PRECKR_CTL, 1, - ARRAY_SIZE(twl4030_carkitr_texts), - twl4030_carkitr_texts); - -static const struct snd_kcontrol_new twl4030_dapm_carkitr_control = -SOC_DAPM_ENUM("Route", twl4030_carkitr_enum); - -/* Handsfree Left */ -static const char *twl4030_handsfreel_texts[] = - {"Voice", "DACL1", "DACL2", "DACR2"}; - -static const struct soc_enum twl4030_handsfreel_enum = - SOC_ENUM_SINGLE(TWL4030_REG_HFL_CTL, 0, - ARRAY_SIZE(twl4030_handsfreel_texts), - twl4030_handsfreel_texts); - -static const struct snd_kcontrol_new twl4030_dapm_handsfreel_control = -SOC_DAPM_ENUM("Route", twl4030_handsfreel_enum); - -/* Handsfree Right */ -static const char *twl4030_handsfreer_texts[] = - {"Voice", "DACR1", "DACR2", "DACL2"}; - -static const struct soc_enum twl4030_handsfreer_enum = - SOC_ENUM_SINGLE(TWL4030_REG_HFR_CTL, 0, - ARRAY_SIZE(twl4030_handsfreer_texts), - twl4030_handsfreer_texts); - -static const struct snd_kcontrol_new twl4030_dapm_handsfreer_control = -SOC_DAPM_ENUM("Route", twl4030_handsfreer_enum); - -static int outmixer_event(struct snd_soc_dapm_widget *w, - struct snd_kcontrol *kcontrol, int event) -{ - struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; - int ret = 0; - int val; - - switch (e->reg) { - case TWL4030_REG_PREDL_CTL: - case TWL4030_REG_PREDR_CTL: - case TWL4030_REG_EAR_CTL: - val = w->value >> e->shift_l; - if (val == 3) { - printk(KERN_WARNING - "Invalid MUX setting for register 0x%02x (%d)\n", - e->reg, val); - ret = -1; - } - break; - } - - return ret; -} - -/* - * Some of the gain controls in TWL (mostly those which are associated with - * the outputs) are implemented in an interesting way: - * 0x0 : Power down (mute) - * 0x1 : 6dB - * 0x2 : 0 dB - * 0x3 : -6 dB - * Inverting not going to help with these. - * Custom volsw and volsw_2r get/put functions to handle these gain bits. - */ -#define SOC_DOUBLE_TLV_TWL4030(xname, xreg, shift_left, shift_right, xmax,\ - xinvert, tlv_array) \ -{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ - .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ - SNDRV_CTL_ELEM_ACCESS_READWRITE,\ - .tlv.p = (tlv_array), \ - .info = snd_soc_info_volsw, \ - .get = snd_soc_get_volsw_twl4030, \ - .put = snd_soc_put_volsw_twl4030, \ - .private_value = (unsigned long)&(struct soc_mixer_control) \ - {.reg = xreg, .shift = shift_left, .rshift = shift_right,\ - .max = xmax, .invert = xinvert} } -#define SOC_DOUBLE_R_TLV_TWL4030(xname, reg_left, reg_right, xshift, xmax,\ - xinvert, tlv_array) \ -{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ - .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ - SNDRV_CTL_ELEM_ACCESS_READWRITE,\ - .tlv.p = (tlv_array), \ - .info = snd_soc_info_volsw_2r, \ - .get = snd_soc_get_volsw_r2_twl4030,\ - .put = snd_soc_put_volsw_r2_twl4030, \ - .private_value = (unsigned long)&(struct soc_mixer_control) \ - {.reg = reg_left, .rreg = reg_right, .shift = xshift, \ - .rshift = xshift, .max = xmax, .invert = xinvert} } -#define SOC_SINGLE_TLV_TWL4030(xname, xreg, xshift, xmax, xinvert, tlv_array) \ - SOC_DOUBLE_TLV_TWL4030(xname, xreg, xshift, xshift, xmax, \ - xinvert, tlv_array) - -static int snd_soc_get_volsw_twl4030(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct soc_mixer_control *mc = - (struct soc_mixer_control *)kcontrol->private_value; - struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - unsigned int reg = mc->reg; - unsigned int shift = mc->shift; - unsigned int rshift = mc->rshift; - int max = mc->max; - int mask = (1 << fls(max)) - 1; - - ucontrol->value.integer.value[0] = - (snd_soc_read(codec, reg) >> shift) & mask; - if (ucontrol->value.integer.value[0]) - ucontrol->value.integer.value[0] = - max + 1 - ucontrol->value.integer.value[0]; - - if (shift != rshift) { - ucontrol->value.integer.value[1] = - (snd_soc_read(codec, reg) >> rshift) & mask; - if (ucontrol->value.integer.value[1]) - ucontrol->value.integer.value[1] = - max + 1 - ucontrol->value.integer.value[1]; - } - - return 0; -} - -static int snd_soc_put_volsw_twl4030(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct soc_mixer_control *mc = - (struct soc_mixer_control *)kcontrol->private_value; - struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - unsigned int reg = mc->reg; - unsigned int shift = mc->shift; - unsigned int rshift = mc->rshift; - int max = mc->max; - int mask = (1 << fls(max)) - 1; - unsigned short val, val2, val_mask; - - val = (ucontrol->value.integer.value[0] & mask); - - val_mask = mask << shift; - if (val) - val = max + 1 - val; - val = val << shift; - if (shift != rshift) { - val2 = (ucontrol->value.integer.value[1] & mask); - val_mask |= mask << rshift; - if (val2) - val2 = max + 1 - val2; - val |= val2 << rshift; - } - return snd_soc_update_bits(codec, reg, val_mask, val); -} - -static int snd_soc_get_volsw_r2_twl4030(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct soc_mixer_control *mc = - (struct soc_mixer_control *)kcontrol->private_value; - struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - unsigned int reg = mc->reg; - unsigned int reg2 = mc->rreg; - unsigned int shift = mc->shift; - int max = mc->max; - int mask = (1<<fls(max))-1; - - ucontrol->value.integer.value[0] = - (snd_soc_read(codec, reg) >> shift) & mask; - ucontrol->value.integer.value[1] = - (snd_soc_read(codec, reg2) >> shift) & mask; - - if (ucontrol->value.integer.value[0]) - ucontrol->value.integer.value[0] = - max + 1 - ucontrol->value.integer.value[0]; - if (ucontrol->value.integer.value[1]) - ucontrol->value.integer.value[1] = - max + 1 - ucontrol->value.integer.value[1]; - - return 0; -} - -static int snd_soc_put_volsw_r2_twl4030(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct soc_mixer_control *mc = - (struct soc_mixer_control *)kcontrol->private_value; - struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - unsigned int reg = mc->reg; - unsigned int reg2 = mc->rreg; - unsigned int shift = mc->shift; - int max = mc->max; - int mask = (1 << fls(max)) - 1; - int err; - unsigned short val, val2, val_mask; - - val_mask = mask << shift; - val = (ucontrol->value.integer.value[0] & mask); - val2 = (ucontrol->value.integer.value[1] & mask); - - if (val) - val = max + 1 - val; - if (val2) - val2 = max + 1 - val2; - - val = val << shift; - val2 = val2 << shift; - - err = snd_soc_update_bits(codec, reg, val_mask, val); - if (err < 0) - return err; - - err = snd_soc_update_bits(codec, reg2, val_mask, val2); - return err; -} - -static int twl4030_get_left_input(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_soc_codec *codec = kcontrol->private_data; - u8 reg = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICL); - int result = 0; - - /* one bit must be set a time */ - reg &= TWL4030_CKMIC_EN | TWL4030_AUXL_EN | TWL4030_HSMIC_EN - | TWL4030_MAINMIC_EN; - if (reg != 0) { - result++; - while ((reg & 1) == 0) { - result++; - reg >>= 1; - } - } - - ucontrol->value.integer.value[0] = result; - return 0; -} - -static int twl4030_put_left_input(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_soc_codec *codec = kcontrol->private_data; - int value = ucontrol->value.integer.value[0]; - u8 anamicl, micbias, avadc_ctl; - - anamicl = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICL); - anamicl &= ~(TWL4030_CKMIC_EN | TWL4030_AUXL_EN | TWL4030_HSMIC_EN - | TWL4030_MAINMIC_EN); - micbias = twl4030_read_reg_cache(codec, TWL4030_REG_MICBIAS_CTL); - micbias &= ~(TWL4030_HSMICBIAS_EN | TWL4030_MICBIAS1_EN); - avadc_ctl = twl4030_read_reg_cache(codec, TWL4030_REG_AVADC_CTL); - - switch (value) { - case 1: - anamicl |= TWL4030_MAINMIC_EN; - micbias |= TWL4030_MICBIAS1_EN; - break; - case 2: - anamicl |= TWL4030_HSMIC_EN; - micbias |= TWL4030_HSMICBIAS_EN; - break; - case 3: - anamicl |= TWL4030_AUXL_EN; - break; - case 4: - anamicl |= TWL4030_CKMIC_EN; - break; - default: - break; - } - - /* If some input is selected, enable amp and ADC */ - if (value != 0) { - anamicl |= TWL4030_MICAMPL_EN; - avadc_ctl |= TWL4030_ADCL_EN; - } else { - anamicl &= ~TWL4030_MICAMPL_EN; - avadc_ctl &= ~TWL4030_ADCL_EN; - } - - twl4030_write(codec, TWL4030_REG_ANAMICL, anamicl); - twl4030_write(codec, TWL4030_REG_MICBIAS_CTL, micbias); - twl4030_write(codec, TWL4030_REG_AVADC_CTL, avadc_ctl); - - return 1; -} - -static int twl4030_get_right_input(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_soc_codec *codec = kcontrol->private_data; - u8 reg = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICR); - int value = 0; - - reg &= TWL4030_SUBMIC_EN|TWL4030_AUXR_EN; - switch (reg) { - case TWL4030_SUBMIC_EN: - value = 1; - break; - case TWL4030_AUXR_EN: - value = 2; - break; - default: - break; - } - - ucontrol->value.integer.value[0] = value; - return 0; -} - -static int twl4030_put_right_input(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_soc_codec *codec = kcontrol->private_data; - int value = ucontrol->value.integer.value[0]; - u8 anamicr, micbias, avadc_ctl; - - anamicr = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICR); - anamicr &= ~(TWL4030_SUBMIC_EN|TWL4030_AUXR_EN); - micbias = twl4030_read_reg_cache(codec, TWL4030_REG_MICBIAS_CTL); - micbias &= ~TWL4030_MICBIAS2_EN; - avadc_ctl = twl4030_read_reg_cache(codec, TWL4030_REG_AVADC_CTL); - - switch (value) { - case 1: - anamicr |= TWL4030_SUBMIC_EN; - micbias |= TWL4030_MICBIAS2_EN; - break; - case 2: - anamicr |= TWL4030_AUXR_EN; - break; - default: - break; - } - - if (value != 0) { - anamicr |= TWL4030_MICAMPR_EN; - avadc_ctl |= TWL4030_ADCR_EN; - } else { - anamicr &= ~TWL4030_MICAMPR_EN; - avadc_ctl &= ~TWL4030_ADCR_EN; - } - - twl4030_write(codec, TWL4030_REG_ANAMICR, anamicr); - twl4030_write(codec, TWL4030_REG_MICBIAS_CTL, micbias); - twl4030_write(codec, TWL4030_REG_AVADC_CTL, avadc_ctl); - - return 1; -} - -static const char *twl4030_left_in_sel[] = { - "None", - "Main Mic", - "Headset Mic", - "Line In", - "Carkit Mic", -}; - -static const char *twl4030_right_in_sel[] = { - "None", - "Sub Mic", - "Line In", -}; - -static const struct soc_enum twl4030_left_input_mux = - SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl4030_left_in_sel), - twl4030_left_in_sel); - -static const struct soc_enum twl4030_right_input_mux = - SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl4030_right_in_sel), - twl4030_right_in_sel); - -/* - * FGAIN volume control: - * from -62 to 0 dB in 1 dB steps (mute instead of -63 dB) - */ -static DECLARE_TLV_DB_SCALE(digital_fine_tlv, -6300, 100, 1); - -/* - * CGAIN volume control: - * 0 dB to 12 dB in 6 dB steps - * value 2 and 3 means 12 dB - */ -static DECLARE_TLV_DB_SCALE(digital_coarse_tlv, 0, 600, 0); - -/* - * Analog playback gain - * -24 dB to 12 dB in 2 dB steps - */ -static DECLARE_TLV_DB_SCALE(analog_tlv, -2400, 200, 0); - -/* - * Gain controls tied to outputs - * -6 dB to 6 dB in 6 dB steps (mute instead of -12) - */ -static DECLARE_TLV_DB_SCALE(output_tvl, -1200, 600, 1); - -/* - * Capture gain after the ADCs - * from 0 dB to 31 dB in 1 dB steps - */ -static DECLARE_TLV_DB_SCALE(digital_capture_tlv, 0, 100, 0); - -/* - * Gain control for input amplifiers - * 0 dB to 30 dB in 6 dB steps - */ -static DECLARE_TLV_DB_SCALE(input_gain_tlv, 0, 600, 0); - -static const struct snd_kcontrol_new twl4030_snd_controls[] = { - /* Common playback gain controls */ - SOC_DOUBLE_R_TLV("DAC1 Digital Fine Playback Volume", - TWL4030_REG_ARXL1PGA, TWL4030_REG_ARXR1PGA, - 0, 0x3f, 0, digital_fine_tlv), - SOC_DOUBLE_R_TLV("DAC2 Digital Fine Playback Volume", - TWL4030_REG_ARXL2PGA, TWL4030_REG_ARXR2PGA, - 0, 0x3f, 0, digital_fine_tlv), - - SOC_DOUBLE_R_TLV("DAC1 Digital Coarse Playback Volume", - TWL4030_REG_ARXL1PGA, TWL4030_REG_ARXR1PGA, - 6, 0x2, 0, digital_coarse_tlv), - SOC_DOUBLE_R_TLV("DAC2 Digital Coarse Playback Volume", - TWL4030_REG_ARXL2PGA, TWL4030_REG_ARXR2PGA, - 6, 0x2, 0, digital_coarse_tlv), - - SOC_DOUBLE_R_TLV("DAC1 Analog Playback Volume", - TWL4030_REG_ARXL1_APGA_CTL, TWL4030_REG_ARXR1_APGA_CTL, - 3, 0x12, 1, analog_tlv), - SOC_DOUBLE_R_TLV("DAC2 Analog Playback Volume", - TWL4030_REG_ARXL2_APGA_CTL, TWL4030_REG_ARXR2_APGA_CTL, - 3, 0x12, 1, analog_tlv), - SOC_DOUBLE_R("DAC1 Analog Playback Switch", - TWL4030_REG_ARXL1_APGA_CTL, TWL4030_REG_ARXR1_APGA_CTL, - 1, 1, 0), - SOC_DOUBLE_R("DAC2 Analog Playback Switch", - TWL4030_REG_ARXL2_APGA_CTL, TWL4030_REG_ARXR2_APGA_CTL, - 1, 1, 0), - - /* Separate output gain controls */ - SOC_DOUBLE_R_TLV_TWL4030("PreDriv Playback Volume", - TWL4030_REG_PREDL_CTL, TWL4030_REG_PREDR_CTL, - 4, 3, 0, output_tvl), - - SOC_DOUBLE_TLV_TWL4030("Headset Playback Volume", - TWL4030_REG_HS_GAIN_SET, 0, 2, 3, 0, output_tvl), - - SOC_DOUBLE_R_TLV_TWL4030("Carkit Playback Volume", - TWL4030_REG_PRECKL_CTL, TWL4030_REG_PRECKR_CTL, - 4, 3, 0, output_tvl), - - SOC_SINGLE_TLV_TWL4030("Earpiece Playback Volume", - TWL4030_REG_EAR_CTL, 4, 3, 0, output_tvl), - - /* Common capture gain controls */ - SOC_DOUBLE_R_TLV("Capture Volume", - TWL4030_REG_ATXL1PGA, TWL4030_REG_ATXR1PGA, - 0, 0x1f, 0, digital_capture_tlv), - - SOC_DOUBLE_TLV("Input Boost Volume", TWL4030_REG_ANAMIC_GAIN, - 0, 3, 5, 0, input_gain_tlv), - - /* Input source controls */ - SOC_ENUM_EXT("Left Input Source", twl4030_left_input_mux, - twl4030_get_left_input, twl4030_put_left_input), - SOC_ENUM_EXT("Right Input Source", twl4030_right_input_mux, - twl4030_get_right_input, twl4030_put_right_input), -}; - -/* add non dapm controls */ -static int twl4030_add_controls(struct snd_soc_codec *codec) -{ - int err, i; - - for (i = 0; i < ARRAY_SIZE(twl4030_snd_controls); i++) { - err = snd_ctl_add(codec->card, - snd_soc_cnew(&twl4030_snd_controls[i], - codec, NULL)); - if (err < 0) - return err; - } - - return 0; -} - -static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = { - SND_SOC_DAPM_INPUT("INL"), - SND_SOC_DAPM_INPUT("INR"), - - SND_SOC_DAPM_OUTPUT("OUTL"), - SND_SOC_DAPM_OUTPUT("OUTR"), - SND_SOC_DAPM_OUTPUT("EARPIECE"), - SND_SOC_DAPM_OUTPUT("PREDRIVEL"), - SND_SOC_DAPM_OUTPUT("PREDRIVER"), - SND_SOC_DAPM_OUTPUT("HSOL"), - SND_SOC_DAPM_OUTPUT("HSOR"), - SND_SOC_DAPM_OUTPUT("HFL"), - SND_SOC_DAPM_OUTPUT("HFR"), - - /* DACs */ - SND_SOC_DAPM_DAC("DACR1", "Right Front Playback", - TWL4030_REG_AVDAC_CTL, 0, 0), - SND_SOC_DAPM_DAC("DACL1", "Left Front Playback", - TWL4030_REG_AVDAC_CTL, 1, 0), - SND_SOC_DAPM_DAC("DACR2", "Right Rear Playback", - TWL4030_REG_AVDAC_CTL, 2, 0), - SND_SOC_DAPM_DAC("DACL2", "Left Rear Playback", - TWL4030_REG_AVDAC_CTL, 3, 0), - - /* Analog PGAs */ - SND_SOC_DAPM_PGA("ARXR1_APGA", TWL4030_REG_ARXR1_APGA_CTL, - 0, 0, NULL, 0), - SND_SOC_DAPM_PGA("ARXL1_APGA", TWL4030_REG_ARXL1_APGA_CTL, - 0, 0, NULL, 0), - SND_SOC_DAPM_PGA("ARXR2_APGA", TWL4030_REG_ARXR2_APGA_CTL, - 0, 0, NULL, 0), - SND_SOC_DAPM_PGA("ARXL2_APGA", TWL4030_REG_ARXL2_APGA_CTL, - 0, 0, NULL, 0), - - /* Output MUX controls */ - /* Earpiece */ - SND_SOC_DAPM_MUX_E("Earpiece Mux", SND_SOC_NOPM, 0, 0, - &twl4030_dapm_earpiece_control, outmixer_event, - SND_SOC_DAPM_PRE_REG), - /* PreDrivL/R */ - SND_SOC_DAPM_MUX_E("PredriveL Mux", SND_SOC_NOPM, 0, 0, - &twl4030_dapm_predrivel_control, outmixer_event, - SND_SOC_DAPM_PRE_REG), - SND_SOC_DAPM_MUX_E("PredriveR Mux", SND_SOC_NOPM, 0, 0, - &twl4030_dapm_predriver_control, outmixer_event, - SND_SOC_DAPM_PRE_REG), - /* HeadsetL/R */ - SND_SOC_DAPM_MUX("HeadsetL Mux", SND_SOC_NOPM, 0, 0, - &twl4030_dapm_hsol_control), - SND_SOC_DAPM_MUX("HeadsetR Mux", SND_SOC_NOPM, 0, 0, - &twl4030_dapm_hsor_control), - /* CarkitL/R */ - SND_SOC_DAPM_MUX("CarkitL Mux", SND_SOC_NOPM, 0, 0, - &twl4030_dapm_carkitl_control), - SND_SOC_DAPM_MUX("CarkitR Mux", SND_SOC_NOPM, 0, 0, - &twl4030_dapm_carkitr_control), - /* HandsfreeL/R */ - SND_SOC_DAPM_MUX("HandsfreeL Mux", TWL4030_REG_HFL_CTL, 5, 0, - &twl4030_dapm_handsfreel_control), - SND_SOC_DAPM_MUX("HandsfreeR Mux", TWL4030_REG_HFR_CTL, 5, 0, - &twl4030_dapm_handsfreer_control), - - SND_SOC_DAPM_ADC("ADCL", "Left Capture", SND_SOC_NOPM, 0, 0), - SND_SOC_DAPM_ADC("ADCR", "Right Capture", SND_SOC_NOPM, 0, 0), -}; - -static const struct snd_soc_dapm_route intercon[] = { - {"ARXL1_APGA", NULL, "DACL1"}, - {"ARXR1_APGA", NULL, "DACR1"}, - {"ARXL2_APGA", NULL, "DACL2"}, - {"ARXR2_APGA", NULL, "DACR2"}, - - /* Internal playback routings */ - /* Earpiece */ - {"Earpiece Mux", "DACL1", "ARXL1_APGA"}, - {"Earpiece Mux", "DACL2", "ARXL2_APGA"}, - {"Earpiece Mux", "DACR1", "ARXR1_APGA"}, - /* PreDrivL */ - {"PredriveL Mux", "DACL1", "ARXL1_APGA"}, - {"PredriveL Mux", "DACL2", "ARXL2_APGA"}, - {"PredriveL Mux", "DACR2", "ARXR2_APGA"}, - /* PreDrivR */ - {"PredriveR Mux", "DACR1", "ARXR1_APGA"}, - {"PredriveR Mux", "DACR2", "ARXR2_APGA"}, - {"PredriveR Mux", "DACL2", "ARXL2_APGA"}, - /* HeadsetL */ - {"HeadsetL Mux", "DACL1", "ARXL1_APGA"}, - {"HeadsetL Mux", "DACL2", "ARXL2_APGA"}, - /* HeadsetR */ - {"HeadsetR Mux", "DACR1", "ARXR1_APGA"}, - {"HeadsetR Mux", "DACR2", "ARXR2_APGA"}, - /* CarkitL */ - {"CarkitL Mux", "DACL1", "ARXL1_APGA"}, - {"CarkitL Mux", "DACL2", "ARXL2_APGA"}, - /* CarkitR */ - {"CarkitR Mux", "DACR1", "ARXR1_APGA"}, - {"CarkitR Mux", "DACR2", "ARXR2_APGA"}, - /* HandsfreeL */ - {"HandsfreeL Mux", "DACL1", "ARXL1_APGA"}, - {"HandsfreeL Mux", "DACL2", "ARXL2_APGA"}, - {"HandsfreeL Mux", "DACR2", "ARXR2_APGA"}, - /* HandsfreeR */ - {"HandsfreeR Mux", "DACR1", "ARXR1_APGA"}, - {"HandsfreeR Mux", "DACR2", "ARXR2_APGA"}, - {"HandsfreeR Mux", "DACL2", "ARXL2_APGA"}, - - /* outputs */ - {"OUTL", NULL, "ARXL2_APGA"}, - {"OUTR", NULL, "ARXR2_APGA"}, - {"EARPIECE", NULL, "Earpiece Mux"}, - {"PREDRIVEL", NULL, "PredriveL Mux"}, - {"PREDRIVER", NULL, "PredriveR Mux"}, - {"HSOL", NULL, "HeadsetL Mux"}, - {"HSOR", NULL, "HeadsetR Mux"}, - {"CARKITL", NULL, "CarkitL Mux"}, - {"CARKITR", NULL, "CarkitR Mux"}, - {"HFL", NULL, "HandsfreeL Mux"}, - {"HFR", NULL, "HandsfreeR Mux"}, - - /* inputs */ - {"ADCL", NULL, "INL"}, - {"ADCR", NULL, "INR"}, -}; - -static int twl4030_add_widgets(struct snd_soc_codec *codec) -{ - snd_soc_dapm_new_controls(codec, twl4030_dapm_widgets, - ARRAY_SIZE(twl4030_dapm_widgets)); - - snd_soc_dapm_add_routes(codec, intercon, ARRAY_SIZE(intercon)); - - snd_soc_dapm_new_widgets(codec); - return 0; -} - -static void twl4030_power_up(struct snd_soc_codec *codec) -{ - u8 anamicl, regmisc1, byte, popn; - int i = 0; - - /* set CODECPDZ to turn on codec */ - twl4030_set_codecpdz(codec); - - /* initiate offset cancellation */ - anamicl = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICL); - twl4030_write(codec, TWL4030_REG_ANAMICL, - anamicl | TWL4030_CNCL_OFFSET_START); - - /* wait for offset cancellation to complete */ - do { - /* this takes a little while, so don't slam i2c */ - udelay(2000); - twl4030_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &byte, - TWL4030_REG_ANAMICL); - } while ((i++ < 100) && - ((byte & TWL4030_CNCL_OFFSET_START) == - TWL4030_CNCL_OFFSET_START)); - - /* anti-pop when changing analog gain */ - regmisc1 = twl4030_read_reg_cache(codec, TWL4030_REG_MISC_SET_1); - twl4030_write(codec, TWL4030_REG_MISC_SET_1, - regmisc1 | TWL4030_SMOOTH_ANAVOL_EN); - - /* toggle CODECPDZ as per TRM */ - twl4030_clear_codecpdz(codec); - twl4030_set_codecpdz(codec); - - /* program anti-pop with bias ramp delay */ - popn = twl4030_read_reg_cache(codec, TWL4030_REG_HS_POPN_SET); - popn &= TWL4030_RAMP_DELAY; - popn |= TWL4030_RAMP_DELAY_645MS; - twl4030_write(codec, TWL4030_REG_HS_POPN_SET, popn); - popn |= TWL4030_VMID_EN; - twl4030_write(codec, TWL4030_REG_HS_POPN_SET, popn); - - /* enable anti-pop ramp */ - popn |= TWL4030_RAMP_EN; - twl4030_write(codec, TWL4030_REG_HS_POPN_SET, popn); -} - -static void twl4030_power_down(struct snd_soc_codec *codec) -{ - u8 popn; - - /* disable anti-pop ramp */ - popn = twl4030_read_reg_cache(codec, TWL4030_REG_HS_POPN_SET); - popn &= ~TWL4030_RAMP_EN; - twl4030_write(codec, TWL4030_REG_HS_POPN_SET, popn); - - /* disable bias out */ - popn &= ~TWL4030_VMID_EN; - twl4030_write(codec, TWL4030_REG_HS_POPN_SET, popn); - - /* power down */ - twl4030_clear_codecpdz(codec); -} - -static int twl4030_set_bias_level(struct snd_soc_codec *codec, - enum snd_soc_bias_level level) -{ - switch (level) { - case SND_SOC_BIAS_ON: - twl4030_power_up(codec); - break; - case SND_SOC_BIAS_PREPARE: - /* TODO: develop a twl4030_prepare function */ - break; - case SND_SOC_BIAS_STANDBY: - /* TODO: develop a twl4030_standby function */ - twl4030_power_down(codec); - break; - case SND_SOC_BIAS_OFF: - twl4030_power_down(codec); - break; - } - codec->bias_level = level; - - return 0; -} - -static int twl4030_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params, - struct snd_soc_dai *dai) -{ - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_device *socdev = rtd->socdev; - struct snd_soc_codec *codec = socdev->codec; - u8 mode, old_mode, format, old_format; - - - /* bit rate */ - old_mode = twl4030_read_reg_cache(codec, - TWL4030_REG_CODEC_MODE) & ~TWL4030_CODECPDZ; - mode = old_mode & ~TWL4030_APLL_RATE; - - switch (params_rate(params)) { - case 8000: - mode |= TWL4030_APLL_RATE_8000; - break; - case 11025: - mode |= TWL4030_APLL_RATE_11025; - break; - case 12000: - mode |= TWL4030_APLL_RATE_12000; - break; - case 16000: - mode |= TWL4030_APLL_RATE_16000; - break; - case 22050: - mode |= TWL4030_APLL_RATE_22050; - break; - case 24000: - mode |= TWL4030_APLL_RATE_24000; - break; - case 32000: - mode |= TWL4030_APLL_RATE_32000; - break; - case 44100: - mode |= TWL4030_APLL_RATE_44100; - break; - case 48000: - mode |= TWL4030_APLL_RATE_48000; - break; - default: - printk(KERN_ERR "TWL4030 hw params: unknown rate %d\n", - params_rate(params)); - return -EINVAL; - } - - if (mode != old_mode) { - /* change rate and set CODECPDZ */ - twl4030_write(codec, TWL4030_REG_CODEC_MODE, mode); - twl4030_set_codecpdz(codec); - } - - /* sample size */ - old_format = twl4030_read_reg_cache(codec, TWL4030_REG_AUDIO_IF); - format = old_format; - format &= ~TWL4030_DATA_WIDTH; - switch (params_format(params)) { - case SNDRV_PCM_FORMAT_S16_LE: - format |= TWL4030_DATA_WIDTH_16S_16W; - break; - case SNDRV_PCM_FORMAT_S24_LE: - format |= TWL4030_DATA_WIDTH_32S_24W; - break; - default: - printk(KERN_ERR "TWL4030 hw params: unknown format %d\n", - params_format(params)); - return -EINVAL; - } - - if (format != old_format) { - - /* clear CODECPDZ before changing format (codec requirement) */ - twl4030_clear_codecpdz(codec); - - /* change format */ - twl4030_write(codec, TWL4030_REG_AUDIO_IF, format); - - /* set CODECPDZ afterwards */ - twl4030_set_codecpdz(codec); - } - return 0; -} - -static int twl4030_set_dai_sysclk(struct snd_soc_dai *codec_dai, - int clk_id, unsigned int freq, int dir) -{ - struct snd_soc_codec *codec = codec_dai->codec; - u8 infreq; - - switch (freq) { - case 19200000: - infreq = TWL4030_APLL_INFREQ_19200KHZ; - break; - case 26000000: - infreq = TWL4030_APLL_INFREQ_26000KHZ; - break; - case 38400000: - infreq = TWL4030_APLL_INFREQ_38400KHZ; - break; - default: - printk(KERN_ERR "TWL4030 set sysclk: unknown rate %d\n", - freq); - return -EINVAL; - } - - infreq |= TWL4030_APLL_EN; - twl4030_write(codec, TWL4030_REG_APLL_CTL, infreq); - - return 0; -} - -static int twl4030_set_dai_fmt(struct snd_soc_dai *codec_dai, - unsigned int fmt) -{ - struct snd_soc_codec *codec = codec_dai->codec; - u8 old_format, format; - - /* get format */ - old_format = twl4030_read_reg_cache(codec, TWL4030_REG_AUDIO_IF); - format = old_format; - - /* set master/slave audio interface */ - switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { - case SND_SOC_DAIFMT_CBM_CFM: - format &= ~(TWL4030_AIF_SLAVE_EN); - format &= ~(TWL4030_CLK256FS_EN); - break; - case SND_SOC_DAIFMT_CBS_CFS: - format |= TWL4030_AIF_SLAVE_EN; - format |= TWL4030_CLK256FS_EN; - break; - default: - return -EINVAL; - } - - /* interface format */ - format &= ~TWL4030_AIF_FORMAT; - switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { - case SND_SOC_DAIFMT_I2S: - format |= TWL4030_AIF_FORMAT_CODEC; - break; - default: - return -EINVAL; - } - - if (format != old_format) { - - /* clear CODECPDZ before changing format (codec requirement) */ - twl4030_clear_codecpdz(codec); - - /* change format */ - twl4030_write(codec, TWL4030_REG_AUDIO_IF, format); - - /* set CODECPDZ afterwards */ - twl4030_set_codecpdz(codec); - } - - return 0; -} - -#define TWL4030_RATES (SNDRV_PCM_RATE_8000_48000) -#define TWL4030_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FORMAT_S24_LE) - -struct snd_soc_dai twl4030_dai = { - .name = "twl4030", - .playback = { - .stream_name = "Playback", - .channels_min = 2, - .channels_max = 2, - .rates = TWL4030_RATES, - .formats = TWL4030_FORMATS,}, - .capture = { - .stream_name = "Capture", - .channels_min = 2, - .channels_max = 2, - .rates = TWL4030_RATES, - .formats = TWL4030_FORMATS,}, - .ops = { - .hw_params = twl4030_hw_params, - .set_sysclk = twl4030_set_dai_sysclk, - .set_fmt = twl4030_set_dai_fmt, - } -}; -EXPORT_SYMBOL_GPL(twl4030_dai); - -static int twl4030_suspend(struct platform_device *pdev, pm_message_t state) -{ - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec = socdev->codec; - - twl4030_set_bias_level(codec, SND_SOC_BIAS_OFF); - - return 0; -} - -static int twl4030_resume(struct platform_device *pdev) -{ - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec = socdev->codec; - - twl4030_set_bias_level(codec, SND_SOC_BIAS_STANDBY); - twl4030_set_bias_level(codec, codec->suspend_bias_level); - return 0; -} - -/* - * initialize the driver - * register the mixer and dsp interfaces with the kernel - */ - -static int twl4030_init(struct snd_soc_device *socdev) -{ - struct snd_soc_codec *codec = socdev->codec; - int ret = 0; - - printk(KERN_INFO "TWL4030 Audio Codec init \n"); - - codec->name = "twl4030"; - codec->owner = THIS_MODULE; - codec->read = twl4030_read_reg_cache; - codec->write = twl4030_write; - codec->set_bias_level = twl4030_set_bias_level; - codec->dai = &twl4030_dai; - codec->num_dai = 1; - codec->reg_cache_size = sizeof(twl4030_reg); - codec->reg_cache = kmemdup(twl4030_reg, sizeof(twl4030_reg), - GFP_KERNEL); - if (codec->reg_cache == NULL) - return -ENOMEM; - - /* register pcms */ - ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); - if (ret < 0) { - printk(KERN_ERR "twl4030: failed to create pcms\n"); - goto pcm_err; - } - - twl4030_init_chip(codec); - - /* power on device */ - twl4030_set_bias_level(codec, SND_SOC_BIAS_STANDBY); - - twl4030_add_controls(codec); - twl4030_add_widgets(codec); - - ret = snd_soc_init_card(socdev); - if (ret < 0) { - printk(KERN_ERR "twl4030: failed to register card\n"); - goto card_err; - } - - return ret; - -card_err: - snd_soc_free_pcms(socdev); - snd_soc_dapm_free(socdev); -pcm_err: - kfree(codec->reg_cache); - return ret; -} - -static struct snd_soc_device *twl4030_socdev; - -static int twl4030_probe(struct platform_device *pdev) -{ - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec; - - codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); - if (codec == NULL) - return -ENOMEM; - - socdev->codec = codec; - mutex_init(&codec->mutex); - INIT_LIST_HEAD(&codec->dapm_widgets); - INIT_LIST_HEAD(&codec->dapm_paths); - - twl4030_socdev = socdev; - twl4030_init(socdev); - - return 0; -} - -static int twl4030_remove(struct platform_device *pdev) -{ - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec = socdev->codec; - - printk(KERN_INFO "TWL4030 Audio Codec remove\n"); - kfree(codec); - - return 0; -} - -struct snd_soc_codec_device soc_codec_dev_twl4030 = { - .probe = twl4030_probe, - .remove = twl4030_remove, - .suspend = twl4030_suspend, - .resume = twl4030_resume, -}; -EXPORT_SYMBOL_GPL(soc_codec_dev_twl4030); - -static int __devinit twl4030_init(void) -{ - return snd_soc_register_dai(&twl4030_dai); -} -module_init(twl4030_init); - -static void __exit twl4030_exit(void) -{ - snd_soc_unregister_dai(&twl4030_dai); -} -module_exit(twl4030_exit); - -MODULE_DESCRIPTION("ASoC TWL4030 codec driver"); -MODULE_AUTHOR("Steve Sakoman"); -MODULE_LICENSE("GPL"); |