| /* |
| * ALSA SoC TWL6040 codec driver |
| * |
| * Author: Misael Lopez Cruz <x0052729@ti.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/platform_device.h> |
| #include <linux/slab.h> |
| #include <linux/mfd/twl6040.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 "twl6040.h" |
| |
| #define TWL6040_RATES SNDRV_PCM_RATE_8000_96000 |
| #define TWL6040_FORMATS (SNDRV_PCM_FMTBIT_S32_LE) |
| |
| #define TWL6040_OUTHS_0dB 0x00 |
| #define TWL6040_OUTHS_M30dB 0x0F |
| #define TWL6040_OUTHF_0dB 0x03 |
| #define TWL6040_OUTHF_M52dB 0x1D |
| |
| /* Shadow register used by the driver */ |
| #define TWL6040_REG_SW_SHADOW 0x2F |
| #define TWL6040_CACHEREGNUM (TWL6040_REG_SW_SHADOW + 1) |
| |
| /* TWL6040_REG_SW_SHADOW (0x2F) fields */ |
| #define TWL6040_EAR_PATH_ENABLE 0x01 |
| |
| struct twl6040_jack_data { |
| struct snd_soc_jack *jack; |
| struct delayed_work work; |
| int report; |
| }; |
| |
| /* codec private data */ |
| struct twl6040_data { |
| int plug_irq; |
| int codec_powered; |
| int pll; |
| int pll_power_mode; |
| int hs_power_mode; |
| int hs_power_mode_locked; |
| unsigned int clk_in; |
| unsigned int sysclk; |
| u16 hs_left_step; |
| u16 hs_right_step; |
| u16 hf_left_step; |
| u16 hf_right_step; |
| struct twl6040_jack_data hs_jack; |
| struct snd_soc_codec *codec; |
| struct workqueue_struct *workqueue; |
| struct mutex mutex; |
| }; |
| |
| /* |
| * twl6040 register cache & default register settings |
| */ |
| static const u8 twl6040_reg[TWL6040_CACHEREGNUM] = { |
| 0x00, /* not used 0x00 */ |
| 0x4B, /* REG_ASICID 0x01 (ro) */ |
| 0x00, /* REG_ASICREV 0x02 (ro) */ |
| 0x00, /* REG_INTID 0x03 */ |
| 0x00, /* REG_INTMR 0x04 */ |
| 0x00, /* REG_NCPCTRL 0x05 */ |
| 0x00, /* REG_LDOCTL 0x06 */ |
| 0x60, /* REG_HPPLLCTL 0x07 */ |
| 0x00, /* REG_LPPLLCTL 0x08 */ |
| 0x4A, /* REG_LPPLLDIV 0x09 */ |
| 0x00, /* REG_AMICBCTL 0x0A */ |
| 0x00, /* REG_DMICBCTL 0x0B */ |
| 0x00, /* REG_MICLCTL 0x0C */ |
| 0x00, /* REG_MICRCTL 0x0D */ |
| 0x00, /* REG_MICGAIN 0x0E */ |
| 0x1B, /* REG_LINEGAIN 0x0F */ |
| 0x00, /* REG_HSLCTL 0x10 */ |
| 0x00, /* REG_HSRCTL 0x11 */ |
| 0x00, /* REG_HSGAIN 0x12 */ |
| 0x00, /* REG_EARCTL 0x13 */ |
| 0x00, /* REG_HFLCTL 0x14 */ |
| 0x00, /* REG_HFLGAIN 0x15 */ |
| 0x00, /* REG_HFRCTL 0x16 */ |
| 0x00, /* REG_HFRGAIN 0x17 */ |
| 0x00, /* REG_VIBCTLL 0x18 */ |
| 0x00, /* REG_VIBDATL 0x19 */ |
| 0x00, /* REG_VIBCTLR 0x1A */ |
| 0x00, /* REG_VIBDATR 0x1B */ |
| 0x00, /* REG_HKCTL1 0x1C */ |
| 0x00, /* REG_HKCTL2 0x1D */ |
| 0x00, /* REG_GPOCTL 0x1E */ |
| 0x00, /* REG_ALB 0x1F */ |
| 0x00, /* REG_DLB 0x20 */ |
| 0x00, /* not used 0x21 */ |
| 0x00, /* not used 0x22 */ |
| 0x00, /* not used 0x23 */ |
| 0x00, /* not used 0x24 */ |
| 0x00, /* not used 0x25 */ |
| 0x00, /* not used 0x26 */ |
| 0x00, /* not used 0x27 */ |
| 0x00, /* REG_TRIM1 0x28 */ |
| 0x00, /* REG_TRIM2 0x29 */ |
| 0x00, /* REG_TRIM3 0x2A */ |
| 0x00, /* REG_HSOTRIM 0x2B */ |
| 0x00, /* REG_HFOTRIM 0x2C */ |
| 0x09, /* REG_ACCCTL 0x2D */ |
| 0x00, /* REG_STATUS 0x2E (ro) */ |
| |
| 0x00, /* REG_SW_SHADOW 0x2F - Shadow, non HW register */ |
| }; |
| |
| /* List of registers to be restored after power up */ |
| static const int twl6040_restore_list[] = { |
| TWL6040_REG_MICLCTL, |
| TWL6040_REG_MICRCTL, |
| TWL6040_REG_MICGAIN, |
| TWL6040_REG_LINEGAIN, |
| TWL6040_REG_HSLCTL, |
| TWL6040_REG_HSRCTL, |
| TWL6040_REG_HSGAIN, |
| TWL6040_REG_EARCTL, |
| TWL6040_REG_HFLCTL, |
| TWL6040_REG_HFLGAIN, |
| TWL6040_REG_HFRCTL, |
| TWL6040_REG_HFRGAIN, |
| }; |
| |
| /* set of rates for each pll: low-power and high-performance */ |
| static unsigned int lp_rates[] = { |
| 8000, |
| 11250, |
| 16000, |
| 22500, |
| 32000, |
| 44100, |
| 48000, |
| 88200, |
| 96000, |
| }; |
| |
| static unsigned int hp_rates[] = { |
| 8000, |
| 16000, |
| 32000, |
| 48000, |
| 96000, |
| }; |
| |
| static struct snd_pcm_hw_constraint_list sysclk_constraints[] = { |
| { .count = ARRAY_SIZE(lp_rates), .list = lp_rates, }, |
| { .count = ARRAY_SIZE(hp_rates), .list = hp_rates, }, |
| }; |
| |
| /* |
| * read twl6040 register cache |
| */ |
| static inline unsigned int twl6040_read_reg_cache(struct snd_soc_codec *codec, |
| unsigned int reg) |
| { |
| u8 *cache = codec->reg_cache; |
| |
| if (reg >= TWL6040_CACHEREGNUM) |
| return -EIO; |
| |
| return cache[reg]; |
| } |
| |
| /* |
| * write twl6040 register cache |
| */ |
| static inline void twl6040_write_reg_cache(struct snd_soc_codec *codec, |
| u8 reg, u8 value) |
| { |
| u8 *cache = codec->reg_cache; |
| |
| if (reg >= TWL6040_CACHEREGNUM) |
| return; |
| cache[reg] = value; |
| } |
| |
| /* |
| * read from twl6040 hardware register |
| */ |
| static int twl6040_read_reg_volatile(struct snd_soc_codec *codec, |
| unsigned int reg) |
| { |
| struct twl6040 *twl6040 = codec->control_data; |
| u8 value; |
| |
| if (reg >= TWL6040_CACHEREGNUM) |
| return -EIO; |
| |
| if (likely(reg < TWL6040_REG_SW_SHADOW)) { |
| value = twl6040_reg_read(twl6040, reg); |
| twl6040_write_reg_cache(codec, reg, value); |
| } else { |
| value = twl6040_read_reg_cache(codec, reg); |
| } |
| |
| return value; |
| } |
| |
| /* |
| * write to the twl6040 register space |
| */ |
| static int twl6040_write(struct snd_soc_codec *codec, |
| unsigned int reg, unsigned int value) |
| { |
| struct twl6040 *twl6040 = codec->control_data; |
| |
| if (reg >= TWL6040_CACHEREGNUM) |
| return -EIO; |
| |
| twl6040_write_reg_cache(codec, reg, value); |
| if (likely(reg < TWL6040_REG_SW_SHADOW)) |
| return twl6040_reg_write(twl6040, reg, value); |
| else |
| return 0; |
| } |
| |
| static void twl6040_init_chip(struct snd_soc_codec *codec) |
| { |
| struct twl6040 *twl6040 = codec->control_data; |
| u8 val; |
| |
| /* Update reg_cache: ASICREV, and TRIM values */ |
| val = twl6040_get_revid(twl6040); |
| twl6040_write_reg_cache(codec, TWL6040_REG_ASICREV, val); |
| |
| twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM1); |
| twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM2); |
| twl6040_read_reg_volatile(codec, TWL6040_REG_TRIM3); |
| twl6040_read_reg_volatile(codec, TWL6040_REG_HSOTRIM); |
| twl6040_read_reg_volatile(codec, TWL6040_REG_HFOTRIM); |
| |
| /* Change chip defaults */ |
| /* No imput selected for microphone amplifiers */ |
| twl6040_write_reg_cache(codec, TWL6040_REG_MICLCTL, 0x18); |
| twl6040_write_reg_cache(codec, TWL6040_REG_MICRCTL, 0x18); |
| |
| /* |
| * We need to lower the default gain values, so the ramp code |
| * can work correctly for the first playback. |
| * This reduces the pop noise heard at the first playback. |
| */ |
| twl6040_write_reg_cache(codec, TWL6040_REG_HSGAIN, 0xff); |
| twl6040_write_reg_cache(codec, TWL6040_REG_EARCTL, 0x1e); |
| twl6040_write_reg_cache(codec, TWL6040_REG_HFLGAIN, 0x1d); |
| twl6040_write_reg_cache(codec, TWL6040_REG_HFRGAIN, 0x1d); |
| twl6040_write_reg_cache(codec, TWL6040_REG_LINEGAIN, 0); |
| } |
| |
| static void twl6040_restore_regs(struct snd_soc_codec *codec) |
| { |
| u8 *cache = codec->reg_cache; |
| int reg, i; |
| |
| for (i = 0; i < ARRAY_SIZE(twl6040_restore_list); i++) { |
| reg = twl6040_restore_list[i]; |
| twl6040_write(codec, reg, cache[reg]); |
| } |
| } |
| |
| /* set headset dac and driver power mode */ |
| static int headset_power_mode(struct snd_soc_codec *codec, int high_perf) |
| { |
| int hslctl, hsrctl; |
| int mask = TWL6040_HSDRVMODE | TWL6040_HSDACMODE; |
| |
| hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL); |
| hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL); |
| |
| if (high_perf) { |
| hslctl &= ~mask; |
| hsrctl &= ~mask; |
| } else { |
| hslctl |= mask; |
| hsrctl |= mask; |
| } |
| |
| twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl); |
| twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl); |
| |
| return 0; |
| } |
| |
| static int twl6040_hs_dac_event(struct snd_soc_dapm_widget *w, |
| struct snd_kcontrol *kcontrol, int event) |
| { |
| struct snd_soc_codec *codec = w->codec; |
| u8 hslctl, hsrctl; |
| |
| /* |
| * Workaround for Headset DC offset caused pop noise: |
| * Both HS DAC need to be turned on (before the HS driver) and off at |
| * the same time. |
| */ |
| hslctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSLCTL); |
| hsrctl = twl6040_read_reg_cache(codec, TWL6040_REG_HSRCTL); |
| if (SND_SOC_DAPM_EVENT_ON(event)) { |
| hslctl |= TWL6040_HSDACENA; |
| hsrctl |= TWL6040_HSDACENA; |
| } else { |
| hslctl &= ~TWL6040_HSDACENA; |
| hsrctl &= ~TWL6040_HSDACENA; |
| } |
| twl6040_write(codec, TWL6040_REG_HSLCTL, hslctl); |
| twl6040_write(codec, TWL6040_REG_HSRCTL, hsrctl); |
| |
| msleep(1); |
| return 0; |
| } |
| |
| static int twl6040_ep_drv_event(struct snd_soc_dapm_widget *w, |
| struct snd_kcontrol *kcontrol, int event) |
| { |
| struct snd_soc_codec *codec = w->codec; |
| struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
| int ret = 0; |
| |
| if (SND_SOC_DAPM_EVENT_ON(event)) { |
| /* Earphone doesn't support low power mode */ |
| priv->hs_power_mode_locked = 1; |
| ret = headset_power_mode(codec, 1); |
| } else { |
| priv->hs_power_mode_locked = 0; |
| ret = headset_power_mode(codec, priv->hs_power_mode); |
| } |
| |
| msleep(1); |
| |
| return ret; |
| } |
| |
| static void twl6040_hs_jack_report(struct snd_soc_codec *codec, |
| struct snd_soc_jack *jack, int report) |
| { |
| struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
| int status; |
| |
| mutex_lock(&priv->mutex); |
| |
| /* Sync status */ |
| status = twl6040_read_reg_volatile(codec, TWL6040_REG_STATUS); |
| if (status & TWL6040_PLUGCOMP) |
| snd_soc_jack_report(jack, report, report); |
| else |
| snd_soc_jack_report(jack, 0, report); |
| |
| mutex_unlock(&priv->mutex); |
| } |
| |
| void twl6040_hs_jack_detect(struct snd_soc_codec *codec, |
| struct snd_soc_jack *jack, int report) |
| { |
| struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
| struct twl6040_jack_data *hs_jack = &priv->hs_jack; |
| |
| hs_jack->jack = jack; |
| hs_jack->report = report; |
| |
| twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report); |
| } |
| EXPORT_SYMBOL_GPL(twl6040_hs_jack_detect); |
| |
| static void twl6040_accessory_work(struct work_struct *work) |
| { |
| struct twl6040_data *priv = container_of(work, |
| struct twl6040_data, hs_jack.work.work); |
| struct snd_soc_codec *codec = priv->codec; |
| struct twl6040_jack_data *hs_jack = &priv->hs_jack; |
| |
| twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report); |
| } |
| |
| /* audio interrupt handler */ |
| static irqreturn_t twl6040_audio_handler(int irq, void *data) |
| { |
| struct snd_soc_codec *codec = data; |
| struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
| |
| queue_delayed_work(priv->workqueue, &priv->hs_jack.work, |
| msecs_to_jiffies(200)); |
| |
| return IRQ_HANDLED; |
| } |
| |
| static int twl6040_soc_dapm_put_vibra_enum(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol); |
| struct snd_soc_dapm_widget *widget = wlist->widgets[0]; |
| struct snd_soc_codec *codec = widget->codec; |
| struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
| unsigned int val; |
| |
| /* Do not allow changes while Input/FF efect is running */ |
| val = twl6040_read_reg_volatile(codec, e->reg); |
| if (val & TWL6040_VIBENA && !(val & TWL6040_VIBSEL)) |
| return -EBUSY; |
| |
| return snd_soc_dapm_put_enum_double(kcontrol, ucontrol); |
| } |
| |
| /* |
| * MICATT volume control: |
| * from -6 to 0 dB in 6 dB steps |
| */ |
| static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0); |
| |
| /* |
| * MICGAIN volume control: |
| * from 6 to 30 dB in 6 dB steps |
| */ |
| static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0); |
| |
| /* |
| * AFMGAIN volume control: |
| * from -18 to 24 dB in 6 dB steps |
| */ |
| static DECLARE_TLV_DB_SCALE(afm_amp_tlv, -1800, 600, 0); |
| |
| /* |
| * HSGAIN volume control: |
| * from -30 to 0 dB in 2 dB steps |
| */ |
| static DECLARE_TLV_DB_SCALE(hs_tlv, -3000, 200, 0); |
| |
| /* |
| * HFGAIN volume control: |
| * from -52 to 6 dB in 2 dB steps |
| */ |
| static DECLARE_TLV_DB_SCALE(hf_tlv, -5200, 200, 0); |
| |
| /* |
| * EPGAIN volume control: |
| * from -24 to 6 dB in 2 dB steps |
| */ |
| static DECLARE_TLV_DB_SCALE(ep_tlv, -2400, 200, 0); |
| |
| /* Left analog microphone selection */ |
| static const char *twl6040_amicl_texts[] = |
| {"Headset Mic", "Main Mic", "Aux/FM Left", "Off"}; |
| |
| /* Right analog microphone selection */ |
| static const char *twl6040_amicr_texts[] = |
| {"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"}; |
| |
| static const struct soc_enum twl6040_enum[] = { |
| SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3, 4, twl6040_amicl_texts), |
| SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3, 4, twl6040_amicr_texts), |
| }; |
| |
| static const char *twl6040_hs_texts[] = { |
| "Off", "HS DAC", "Line-In amp" |
| }; |
| |
| static const struct soc_enum twl6040_hs_enum[] = { |
| SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts), |
| twl6040_hs_texts), |
| SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts), |
| twl6040_hs_texts), |
| }; |
| |
| static const char *twl6040_hf_texts[] = { |
| "Off", "HF DAC", "Line-In amp" |
| }; |
| |
| static const struct soc_enum twl6040_hf_enum[] = { |
| SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts), |
| twl6040_hf_texts), |
| SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts), |
| twl6040_hf_texts), |
| }; |
| |
| static const char *twl6040_vibrapath_texts[] = { |
| "Input FF", "Audio PDM" |
| }; |
| |
| static const struct soc_enum twl6040_vibra_enum[] = { |
| SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLL, 1, |
| ARRAY_SIZE(twl6040_vibrapath_texts), |
| twl6040_vibrapath_texts), |
| SOC_ENUM_SINGLE(TWL6040_REG_VIBCTLR, 1, |
| ARRAY_SIZE(twl6040_vibrapath_texts), |
| twl6040_vibrapath_texts), |
| }; |
| |
| static const struct snd_kcontrol_new amicl_control = |
| SOC_DAPM_ENUM("Route", twl6040_enum[0]); |
| |
| static const struct snd_kcontrol_new amicr_control = |
| SOC_DAPM_ENUM("Route", twl6040_enum[1]); |
| |
| /* Headset DAC playback switches */ |
| static const struct snd_kcontrol_new hsl_mux_controls = |
| SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]); |
| |
| static const struct snd_kcontrol_new hsr_mux_controls = |
| SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]); |
| |
| /* Handsfree DAC playback switches */ |
| static const struct snd_kcontrol_new hfl_mux_controls = |
| SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]); |
| |
| static const struct snd_kcontrol_new hfr_mux_controls = |
| SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]); |
| |
| static const struct snd_kcontrol_new ep_path_enable_control = |
| SOC_DAPM_SINGLE("Switch", TWL6040_REG_SW_SHADOW, 0, 1, 0); |
| |
| static const struct snd_kcontrol_new auxl_switch_control = |
| SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 6, 1, 0); |
| |
| static const struct snd_kcontrol_new auxr_switch_control = |
| SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 6, 1, 0); |
| |
| /* Vibra playback switches */ |
| static const struct snd_kcontrol_new vibral_mux_controls = |
| SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[0], |
| snd_soc_dapm_get_enum_double, |
| twl6040_soc_dapm_put_vibra_enum); |
| |
| static const struct snd_kcontrol_new vibrar_mux_controls = |
| SOC_DAPM_ENUM_EXT("Route", twl6040_vibra_enum[1], |
| snd_soc_dapm_get_enum_double, |
| twl6040_soc_dapm_put_vibra_enum); |
| |
| /* Headset power mode */ |
| static const char *twl6040_power_mode_texts[] = { |
| "Low-Power", "High-Performance", |
| }; |
| |
| static const struct soc_enum twl6040_power_mode_enum = |
| SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl6040_power_mode_texts), |
| twl6040_power_mode_texts); |
| |
| static int twl6040_headset_power_get_enum(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
| struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
| |
| ucontrol->value.enumerated.item[0] = priv->hs_power_mode; |
| |
| return 0; |
| } |
| |
| static int twl6040_headset_power_put_enum(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
| struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
| int high_perf = ucontrol->value.enumerated.item[0]; |
| int ret = 0; |
| |
| if (!priv->hs_power_mode_locked) |
| ret = headset_power_mode(codec, high_perf); |
| |
| if (!ret) |
| priv->hs_power_mode = high_perf; |
| |
| return ret; |
| } |
| |
| static int twl6040_pll_get_enum(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
| struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
| |
| ucontrol->value.enumerated.item[0] = priv->pll_power_mode; |
| |
| return 0; |
| } |
| |
| static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
| struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
| |
| priv->pll_power_mode = ucontrol->value.enumerated.item[0]; |
| |
| return 0; |
| } |
| |
| int twl6040_get_dl1_gain(struct snd_soc_codec *codec) |
| { |
| struct snd_soc_dapm_context *dapm = &codec->dapm; |
| |
| if (snd_soc_dapm_get_pin_status(dapm, "EP")) |
| return -1; /* -1dB */ |
| |
| if (snd_soc_dapm_get_pin_status(dapm, "HSOR") || |
| snd_soc_dapm_get_pin_status(dapm, "HSOL")) { |
| |
| u8 val = snd_soc_read(codec, TWL6040_REG_HSLCTL); |
| if (val & TWL6040_HSDACMODE) |
| /* HSDACL in LP mode */ |
| return -8; /* -8dB */ |
| else |
| /* HSDACL in HP mode */ |
| return -1; /* -1dB */ |
| } |
| return 0; /* 0dB */ |
| } |
| EXPORT_SYMBOL_GPL(twl6040_get_dl1_gain); |
| |
| int twl6040_get_clk_id(struct snd_soc_codec *codec) |
| { |
| struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
| |
| return priv->pll_power_mode; |
| } |
| EXPORT_SYMBOL_GPL(twl6040_get_clk_id); |
| |
| int twl6040_get_trim_value(struct snd_soc_codec *codec, enum twl6040_trim trim) |
| { |
| if (unlikely(trim >= TWL6040_TRIM_INVAL)) |
| return -EINVAL; |
| |
| return twl6040_read_reg_cache(codec, TWL6040_REG_TRIM1 + trim); |
| } |
| EXPORT_SYMBOL_GPL(twl6040_get_trim_value); |
| |
| int twl6040_get_hs_step_size(struct snd_soc_codec *codec) |
| { |
| struct twl6040 *twl6040 = codec->control_data; |
| |
| if (twl6040_get_revid(twl6040) < TWL6040_REV_ES1_3) |
| /* For ES under ES_1.3 HS step is 2 mV */ |
| return 2; |
| else |
| /* For ES_1.3 HS step is 1 mV */ |
| return 1; |
| } |
| EXPORT_SYMBOL_GPL(twl6040_get_hs_step_size); |
| |
| static const struct snd_kcontrol_new twl6040_snd_controls[] = { |
| /* Capture gains */ |
| SOC_DOUBLE_TLV("Capture Preamplifier Volume", |
| TWL6040_REG_MICGAIN, 6, 7, 1, 1, mic_preamp_tlv), |
| SOC_DOUBLE_TLV("Capture Volume", |
| TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv), |
| |
| /* AFM gains */ |
| SOC_DOUBLE_TLV("Aux FM Volume", |
| TWL6040_REG_LINEGAIN, 0, 3, 7, 0, afm_amp_tlv), |
| |
| /* Playback gains */ |
| SOC_DOUBLE_TLV("Headset Playback Volume", |
| TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv), |
| SOC_DOUBLE_R_TLV("Handsfree Playback Volume", |
| TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv), |
| SOC_SINGLE_TLV("Earphone Playback Volume", |
| TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv), |
| |
| SOC_ENUM_EXT("Headset Power Mode", twl6040_power_mode_enum, |
| twl6040_headset_power_get_enum, |
| twl6040_headset_power_put_enum), |
| |
| SOC_ENUM_EXT("PLL Selection", twl6040_power_mode_enum, |
| twl6040_pll_get_enum, twl6040_pll_put_enum), |
| }; |
| |
| static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = { |
| /* Inputs */ |
| SND_SOC_DAPM_INPUT("MAINMIC"), |
| SND_SOC_DAPM_INPUT("HSMIC"), |
| SND_SOC_DAPM_INPUT("SUBMIC"), |
| SND_SOC_DAPM_INPUT("AFML"), |
| SND_SOC_DAPM_INPUT("AFMR"), |
| |
| /* Outputs */ |
| SND_SOC_DAPM_OUTPUT("HSOL"), |
| SND_SOC_DAPM_OUTPUT("HSOR"), |
| SND_SOC_DAPM_OUTPUT("HFL"), |
| SND_SOC_DAPM_OUTPUT("HFR"), |
| SND_SOC_DAPM_OUTPUT("EP"), |
| SND_SOC_DAPM_OUTPUT("AUXL"), |
| SND_SOC_DAPM_OUTPUT("AUXR"), |
| SND_SOC_DAPM_OUTPUT("VIBRAL"), |
| SND_SOC_DAPM_OUTPUT("VIBRAR"), |
| |
| /* Analog input muxes for the capture amplifiers */ |
| SND_SOC_DAPM_MUX("Analog Left Capture Route", |
| SND_SOC_NOPM, 0, 0, &amicl_control), |
| SND_SOC_DAPM_MUX("Analog Right Capture Route", |
| SND_SOC_NOPM, 0, 0, &amicr_control), |
| |
| /* Analog capture PGAs */ |
| SND_SOC_DAPM_PGA("MicAmpL", |
| TWL6040_REG_MICLCTL, 0, 0, NULL, 0), |
| SND_SOC_DAPM_PGA("MicAmpR", |
| TWL6040_REG_MICRCTL, 0, 0, NULL, 0), |
| |
| /* Auxiliary FM PGAs */ |
| SND_SOC_DAPM_PGA("AFMAmpL", |
| TWL6040_REG_MICLCTL, 1, 0, NULL, 0), |
| SND_SOC_DAPM_PGA("AFMAmpR", |
| TWL6040_REG_MICRCTL, 1, 0, NULL, 0), |
| |
| /* ADCs */ |
| SND_SOC_DAPM_ADC("ADC Left", NULL, TWL6040_REG_MICLCTL, 2, 0), |
| SND_SOC_DAPM_ADC("ADC Right", NULL, TWL6040_REG_MICRCTL, 2, 0), |
| |
| /* Microphone bias */ |
| SND_SOC_DAPM_SUPPLY("Headset Mic Bias", |
| TWL6040_REG_AMICBCTL, 0, 0, NULL, 0), |
| SND_SOC_DAPM_SUPPLY("Main Mic Bias", |
| TWL6040_REG_AMICBCTL, 4, 0, NULL, 0), |
| SND_SOC_DAPM_SUPPLY("Digital Mic1 Bias", |
| TWL6040_REG_DMICBCTL, 0, 0, NULL, 0), |
| SND_SOC_DAPM_SUPPLY("Digital Mic2 Bias", |
| TWL6040_REG_DMICBCTL, 4, 0, NULL, 0), |
| |
| /* DACs */ |
| SND_SOC_DAPM_DAC("HSDAC Left", NULL, SND_SOC_NOPM, 0, 0), |
| SND_SOC_DAPM_DAC("HSDAC Right", NULL, SND_SOC_NOPM, 0, 0), |
| SND_SOC_DAPM_DAC("HFDAC Left", NULL, TWL6040_REG_HFLCTL, 0, 0), |
| SND_SOC_DAPM_DAC("HFDAC Right", NULL, TWL6040_REG_HFRCTL, 0, 0), |
| /* Virtual DAC for vibra path (DL4 channel) */ |
| SND_SOC_DAPM_DAC("VIBRA DAC", NULL, SND_SOC_NOPM, 0, 0), |
| |
| SND_SOC_DAPM_MUX("Handsfree Left Playback", |
| SND_SOC_NOPM, 0, 0, &hfl_mux_controls), |
| SND_SOC_DAPM_MUX("Handsfree Right Playback", |
| SND_SOC_NOPM, 0, 0, &hfr_mux_controls), |
| /* Analog playback Muxes */ |
| SND_SOC_DAPM_MUX("Headset Left Playback", |
| SND_SOC_NOPM, 0, 0, &hsl_mux_controls), |
| SND_SOC_DAPM_MUX("Headset Right Playback", |
| SND_SOC_NOPM, 0, 0, &hsr_mux_controls), |
| |
| SND_SOC_DAPM_MUX("Vibra Left Playback", SND_SOC_NOPM, 0, 0, |
| &vibral_mux_controls), |
| SND_SOC_DAPM_MUX("Vibra Right Playback", SND_SOC_NOPM, 0, 0, |
| &vibrar_mux_controls), |
| |
| SND_SOC_DAPM_SWITCH("Earphone Playback", SND_SOC_NOPM, 0, 0, |
| &ep_path_enable_control), |
| SND_SOC_DAPM_SWITCH("AUXL Playback", SND_SOC_NOPM, 0, 0, |
| &auxl_switch_control), |
| SND_SOC_DAPM_SWITCH("AUXR Playback", SND_SOC_NOPM, 0, 0, |
| &auxr_switch_control), |
| |
| /* Analog playback drivers */ |
| SND_SOC_DAPM_OUT_DRV("HF Left Driver", |
| TWL6040_REG_HFLCTL, 4, 0, NULL, 0), |
| SND_SOC_DAPM_OUT_DRV("HF Right Driver", |
| TWL6040_REG_HFRCTL, 4, 0, NULL, 0), |
| SND_SOC_DAPM_OUT_DRV("HS Left Driver", |
| TWL6040_REG_HSLCTL, 2, 0, NULL, 0), |
| SND_SOC_DAPM_OUT_DRV("HS Right Driver", |
| TWL6040_REG_HSRCTL, 2, 0, NULL, 0), |
| SND_SOC_DAPM_OUT_DRV_E("Earphone Driver", |
| TWL6040_REG_EARCTL, 0, 0, NULL, 0, |
| twl6040_ep_drv_event, |
| SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), |
| SND_SOC_DAPM_OUT_DRV("Vibra Left Driver", |
| TWL6040_REG_VIBCTLL, 0, 0, NULL, 0), |
| SND_SOC_DAPM_OUT_DRV("Vibra Right Driver", |
| TWL6040_REG_VIBCTLR, 0, 0, NULL, 0), |
| |
| SND_SOC_DAPM_SUPPLY("Vibra Left Control", TWL6040_REG_VIBCTLL, 2, 0, |
| NULL, 0), |
| SND_SOC_DAPM_SUPPLY("Vibra Right Control", TWL6040_REG_VIBCTLR, 2, 0, |
| NULL, 0), |
| SND_SOC_DAPM_SUPPLY_S("HSDAC Power", 1, SND_SOC_NOPM, 0, 0, |
| twl6040_hs_dac_event, |
| SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), |
| |
| /* Analog playback PGAs */ |
| SND_SOC_DAPM_PGA("HF Left PGA", |
| TWL6040_REG_HFLCTL, 1, 0, NULL, 0), |
| SND_SOC_DAPM_PGA("HF Right PGA", |
| TWL6040_REG_HFRCTL, 1, 0, NULL, 0), |
| |
| }; |
| |
| static const struct snd_soc_dapm_route intercon[] = { |
| /* Stream -> DAC mapping */ |
| {"HSDAC Left", NULL, "Legacy Playback"}, |
| {"HSDAC Left", NULL, "Headset Playback"}, |
| {"HSDAC Right", NULL, "Legacy Playback"}, |
| {"HSDAC Right", NULL, "Headset Playback"}, |
| |
| {"HFDAC Left", NULL, "Legacy Playback"}, |
| {"HFDAC Left", NULL, "Handsfree Playback"}, |
| {"HFDAC Right", NULL, "Legacy Playback"}, |
| {"HFDAC Right", NULL, "Handsfree Playback"}, |
| |
| {"VIBRA DAC", NULL, "Legacy Playback"}, |
| {"VIBRA DAC", NULL, "Vibra Playback"}, |
| |
| /* ADC -> Stream mapping */ |
| {"Legacy Capture" , NULL, "ADC Left"}, |
| {"Capture", NULL, "ADC Left"}, |
| {"Legacy Capture", NULL, "ADC Right"}, |
| {"Capture" , NULL, "ADC Right"}, |
| |
| /* Capture path */ |
| {"Analog Left Capture Route", "Headset Mic", "HSMIC"}, |
| {"Analog Left Capture Route", "Main Mic", "MAINMIC"}, |
| {"Analog Left Capture Route", "Aux/FM Left", "AFML"}, |
| |
| {"Analog Right Capture Route", "Headset Mic", "HSMIC"}, |
| {"Analog Right Capture Route", "Sub Mic", "SUBMIC"}, |
| {"Analog Right Capture Route", "Aux/FM Right", "AFMR"}, |
| |
| {"MicAmpL", NULL, "Analog Left Capture Route"}, |
| {"MicAmpR", NULL, "Analog Right Capture Route"}, |
| |
| {"ADC Left", NULL, "MicAmpL"}, |
| {"ADC Right", NULL, "MicAmpR"}, |
| |
| /* AFM path */ |
| {"AFMAmpL", NULL, "AFML"}, |
| {"AFMAmpR", NULL, "AFMR"}, |
| |
| {"HSDAC Left", NULL, "HSDAC Power"}, |
| {"HSDAC Right", NULL, "HSDAC Power"}, |
| |
| {"Headset Left Playback", "HS DAC", "HSDAC Left"}, |
| {"Headset Left Playback", "Line-In amp", "AFMAmpL"}, |
| |
| {"Headset Right Playback", "HS DAC", "HSDAC Right"}, |
| {"Headset Right Playback", "Line-In amp", "AFMAmpR"}, |
| |
| {"HS Left Driver", NULL, "Headset Left Playback"}, |
| {"HS Right Driver", NULL, "Headset Right Playback"}, |
| |
| {"HSOL", NULL, "HS Left Driver"}, |
| {"HSOR", NULL, "HS Right Driver"}, |
| |
| /* Earphone playback path */ |
| {"Earphone Playback", "Switch", "HSDAC Left"}, |
| {"Earphone Driver", NULL, "Earphone Playback"}, |
| {"EP", NULL, "Earphone Driver"}, |
| |
| {"Handsfree Left Playback", "HF DAC", "HFDAC Left"}, |
| {"Handsfree Left Playback", "Line-In amp", "AFMAmpL"}, |
| |
| {"Handsfree Right Playback", "HF DAC", "HFDAC Right"}, |
| {"Handsfree Right Playback", "Line-In amp", "AFMAmpR"}, |
| |
| {"HF Left PGA", NULL, "Handsfree Left Playback"}, |
| {"HF Right PGA", NULL, "Handsfree Right Playback"}, |
| |
| {"HF Left Driver", NULL, "HF Left PGA"}, |
| {"HF Right Driver", NULL, "HF Right PGA"}, |
| |
| {"HFL", NULL, "HF Left Driver"}, |
| {"HFR", NULL, "HF Right Driver"}, |
| |
| {"AUXL Playback", "Switch", "HF Left PGA"}, |
| {"AUXR Playback", "Switch", "HF Right PGA"}, |
| |
| {"AUXL", NULL, "AUXL Playback"}, |
| {"AUXR", NULL, "AUXR Playback"}, |
| |
| /* Vibrator paths */ |
| {"Vibra Left Playback", "Audio PDM", "VIBRA DAC"}, |
| {"Vibra Right Playback", "Audio PDM", "VIBRA DAC"}, |
| |
| {"Vibra Left Driver", NULL, "Vibra Left Playback"}, |
| {"Vibra Right Driver", NULL, "Vibra Right Playback"}, |
| {"Vibra Left Driver", NULL, "Vibra Left Control"}, |
| {"Vibra Right Driver", NULL, "Vibra Right Control"}, |
| |
| {"VIBRAL", NULL, "Vibra Left Driver"}, |
| {"VIBRAR", NULL, "Vibra Right Driver"}, |
| }; |
| |
| static int twl6040_set_bias_level(struct snd_soc_codec *codec, |
| enum snd_soc_bias_level level) |
| { |
| struct twl6040 *twl6040 = codec->control_data; |
| struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
| int ret; |
| |
| switch (level) { |
| case SND_SOC_BIAS_ON: |
| break; |
| case SND_SOC_BIAS_PREPARE: |
| break; |
| case SND_SOC_BIAS_STANDBY: |
| if (priv->codec_powered) |
| break; |
| |
| ret = twl6040_power(twl6040, 1); |
| if (ret) |
| return ret; |
| |
| priv->codec_powered = 1; |
| |
| twl6040_restore_regs(codec); |
| |
| /* Set external boost GPO */ |
| twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02); |
| break; |
| case SND_SOC_BIAS_OFF: |
| if (!priv->codec_powered) |
| break; |
| |
| twl6040_power(twl6040, 0); |
| priv->codec_powered = 0; |
| break; |
| } |
| |
| codec->dapm.bias_level = level; |
| |
| return 0; |
| } |
| |
| static int twl6040_startup(struct snd_pcm_substream *substream, |
| struct snd_soc_dai *dai) |
| { |
| struct snd_soc_codec *codec = dai->codec; |
| struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
| |
| snd_pcm_hw_constraint_list(substream->runtime, 0, |
| SNDRV_PCM_HW_PARAM_RATE, |
| &sysclk_constraints[priv->pll_power_mode]); |
| |
| return 0; |
| } |
| |
| static int twl6040_hw_params(struct snd_pcm_substream *substream, |
| struct snd_pcm_hw_params *params, |
| struct snd_soc_dai *dai) |
| { |
| struct snd_soc_codec *codec = dai->codec; |
| struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
| int rate; |
| |
| rate = params_rate(params); |
| switch (rate) { |
| case 11250: |
| case 22500: |
| case 44100: |
| case 88200: |
| /* These rates are not supported when HPPLL is in use */ |
| if (unlikely(priv->pll == TWL6040_SYSCLK_SEL_HPPLL)) { |
| dev_err(codec->dev, "HPPLL does not support rate %d\n", |
| rate); |
| return -EINVAL; |
| } |
| priv->sysclk = 17640000; |
| break; |
| case 8000: |
| case 16000: |
| case 32000: |
| case 48000: |
| case 96000: |
| priv->sysclk = 19200000; |
| break; |
| default: |
| dev_err(codec->dev, "unsupported rate %d\n", rate); |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static int twl6040_prepare(struct snd_pcm_substream *substream, |
| struct snd_soc_dai *dai) |
| { |
| struct snd_soc_codec *codec = dai->codec; |
| struct twl6040 *twl6040 = codec->control_data; |
| struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
| int ret; |
| |
| if (!priv->sysclk) { |
| dev_err(codec->dev, |
| "no mclk configured, call set_sysclk() on init\n"); |
| return -EINVAL; |
| } |
| |
| ret = twl6040_set_pll(twl6040, priv->pll, priv->clk_in, priv->sysclk); |
| if (ret) { |
| dev_err(codec->dev, "Can not set PLL (%d)\n", ret); |
| return -EPERM; |
| } |
| |
| return 0; |
| } |
| |
| static int twl6040_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; |
| struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
| |
| switch (clk_id) { |
| case TWL6040_SYSCLK_SEL_LPPLL: |
| case TWL6040_SYSCLK_SEL_HPPLL: |
| priv->pll = clk_id; |
| priv->clk_in = freq; |
| break; |
| default: |
| dev_err(codec->dev, "unknown clk_id %d\n", clk_id); |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static const struct snd_soc_dai_ops twl6040_dai_ops = { |
| .startup = twl6040_startup, |
| .hw_params = twl6040_hw_params, |
| .prepare = twl6040_prepare, |
| .set_sysclk = twl6040_set_dai_sysclk, |
| }; |
| |
| static struct snd_soc_dai_driver twl6040_dai[] = { |
| { |
| .name = "twl6040-legacy", |
| .playback = { |
| .stream_name = "Legacy Playback", |
| .channels_min = 1, |
| .channels_max = 5, |
| .rates = TWL6040_RATES, |
| .formats = TWL6040_FORMATS, |
| }, |
| .capture = { |
| .stream_name = "Legacy Capture", |
| .channels_min = 1, |
| .channels_max = 2, |
| .rates = TWL6040_RATES, |
| .formats = TWL6040_FORMATS, |
| }, |
| .ops = &twl6040_dai_ops, |
| }, |
| { |
| .name = "twl6040-ul", |
| .capture = { |
| .stream_name = "Capture", |
| .channels_min = 1, |
| .channels_max = 2, |
| .rates = TWL6040_RATES, |
| .formats = TWL6040_FORMATS, |
| }, |
| .ops = &twl6040_dai_ops, |
| }, |
| { |
| .name = "twl6040-dl1", |
| .playback = { |
| .stream_name = "Headset Playback", |
| .channels_min = 1, |
| .channels_max = 2, |
| .rates = TWL6040_RATES, |
| .formats = TWL6040_FORMATS, |
| }, |
| .ops = &twl6040_dai_ops, |
| }, |
| { |
| .name = "twl6040-dl2", |
| .playback = { |
| .stream_name = "Handsfree Playback", |
| .channels_min = 1, |
| .channels_max = 2, |
| .rates = TWL6040_RATES, |
| .formats = TWL6040_FORMATS, |
| }, |
| .ops = &twl6040_dai_ops, |
| }, |
| { |
| .name = "twl6040-vib", |
| .playback = { |
| .stream_name = "Vibra Playback", |
| .channels_min = 1, |
| .channels_max = 1, |
| .rates = SNDRV_PCM_RATE_CONTINUOUS, |
| .formats = TWL6040_FORMATS, |
| }, |
| .ops = &twl6040_dai_ops, |
| }, |
| }; |
| |
| #ifdef CONFIG_PM |
| static int twl6040_suspend(struct snd_soc_codec *codec) |
| { |
| twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF); |
| |
| return 0; |
| } |
| |
| static int twl6040_resume(struct snd_soc_codec *codec) |
| { |
| twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
| |
| return 0; |
| } |
| #else |
| #define twl6040_suspend NULL |
| #define twl6040_resume NULL |
| #endif |
| |
| static int twl6040_probe(struct snd_soc_codec *codec) |
| { |
| struct twl6040_data *priv; |
| struct twl6040_codec_data *pdata = dev_get_platdata(codec->dev); |
| struct platform_device *pdev = container_of(codec->dev, |
| struct platform_device, dev); |
| int ret = 0; |
| |
| priv = kzalloc(sizeof(struct twl6040_data), GFP_KERNEL); |
| if (priv == NULL) |
| return -ENOMEM; |
| snd_soc_codec_set_drvdata(codec, priv); |
| |
| priv->codec = codec; |
| codec->control_data = dev_get_drvdata(codec->dev->parent); |
| |
| if (pdata && pdata->hs_left_step && pdata->hs_right_step) { |
| priv->hs_left_step = pdata->hs_left_step; |
| priv->hs_right_step = pdata->hs_right_step; |
| } else { |
| priv->hs_left_step = 1; |
| priv->hs_right_step = 1; |
| } |
| |
| if (pdata && pdata->hf_left_step && pdata->hf_right_step) { |
| priv->hf_left_step = pdata->hf_left_step; |
| priv->hf_right_step = pdata->hf_right_step; |
| } else { |
| priv->hf_left_step = 1; |
| priv->hf_right_step = 1; |
| } |
| |
| priv->plug_irq = platform_get_irq(pdev, 0); |
| if (priv->plug_irq < 0) { |
| dev_err(codec->dev, "invalid irq\n"); |
| ret = -EINVAL; |
| goto work_err; |
| } |
| |
| priv->workqueue = alloc_workqueue("twl6040-codec", 0, 0); |
| if (!priv->workqueue) { |
| ret = -ENOMEM; |
| goto work_err; |
| } |
| |
| INIT_DELAYED_WORK(&priv->hs_jack.work, twl6040_accessory_work); |
| |
| mutex_init(&priv->mutex); |
| |
| ret = request_threaded_irq(priv->plug_irq, NULL, twl6040_audio_handler, |
| IRQF_NO_SUSPEND, "twl6040_irq_plug", codec); |
| if (ret) { |
| dev_err(codec->dev, "PLUG IRQ request failed: %d\n", ret); |
| goto plugirq_err; |
| } |
| |
| twl6040_init_chip(codec); |
| |
| /* power on device */ |
| ret = twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
| if (!ret) |
| return 0; |
| |
| /* Error path */ |
| free_irq(priv->plug_irq, codec); |
| plugirq_err: |
| destroy_workqueue(priv->workqueue); |
| work_err: |
| kfree(priv); |
| return ret; |
| } |
| |
| static int twl6040_remove(struct snd_soc_codec *codec) |
| { |
| struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
| |
| twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF); |
| free_irq(priv->plug_irq, codec); |
| destroy_workqueue(priv->workqueue); |
| kfree(priv); |
| |
| return 0; |
| } |
| |
| static struct snd_soc_codec_driver soc_codec_dev_twl6040 = { |
| .probe = twl6040_probe, |
| .remove = twl6040_remove, |
| .suspend = twl6040_suspend, |
| .resume = twl6040_resume, |
| .read = twl6040_read_reg_cache, |
| .write = twl6040_write, |
| .set_bias_level = twl6040_set_bias_level, |
| .reg_cache_size = ARRAY_SIZE(twl6040_reg), |
| .reg_word_size = sizeof(u8), |
| .reg_cache_default = twl6040_reg, |
| .ignore_pmdown_time = true, |
| |
| .controls = twl6040_snd_controls, |
| .num_controls = ARRAY_SIZE(twl6040_snd_controls), |
| .dapm_widgets = twl6040_dapm_widgets, |
| .num_dapm_widgets = ARRAY_SIZE(twl6040_dapm_widgets), |
| .dapm_routes = intercon, |
| .num_dapm_routes = ARRAY_SIZE(intercon), |
| }; |
| |
| static int twl6040_codec_probe(struct platform_device *pdev) |
| { |
| return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl6040, |
| twl6040_dai, ARRAY_SIZE(twl6040_dai)); |
| } |
| |
| static int twl6040_codec_remove(struct platform_device *pdev) |
| { |
| snd_soc_unregister_codec(&pdev->dev); |
| return 0; |
| } |
| |
| static struct platform_driver twl6040_codec_driver = { |
| .driver = { |
| .name = "twl6040-codec", |
| .owner = THIS_MODULE, |
| }, |
| .probe = twl6040_codec_probe, |
| .remove = twl6040_codec_remove, |
| }; |
| |
| module_platform_driver(twl6040_codec_driver); |
| |
| MODULE_DESCRIPTION("ASoC TWL6040 codec driver"); |
| MODULE_AUTHOR("Misael Lopez Cruz"); |
| MODULE_LICENSE("GPL"); |