diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/soc/codecs/twl6040.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/soc/codecs/twl6040.c | 1662 |
1 files changed, 1662 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/sound/soc/codecs/twl6040.c b/ANDROID_3.4.5/sound/soc/codecs/twl6040.c new file mode 100644 index 00000000..dc7509b9 --- /dev/null +++ b/ANDROID_3.4.5/sound/soc/codecs/twl6040.c @@ -0,0 +1,1662 @@ +/* + * 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 + +#define TWL6040_RAMP_NONE 0 +#define TWL6040_RAMP_UP 1 +#define TWL6040_RAMP_DOWN 2 + +#define TWL6040_HSL_VOL_MASK 0x0F +#define TWL6040_HSL_VOL_SHIFT 0 +#define TWL6040_HSR_VOL_MASK 0xF0 +#define TWL6040_HSR_VOL_SHIFT 4 +#define TWL6040_HF_VOL_MASK 0x1F +#define TWL6040_HF_VOL_SHIFT 0 + +/* 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_output { + u16 active; + u16 left_vol; + u16 right_vol; + u16 left_step; + u16 right_step; + unsigned int step_delay; + u16 ramp; + struct delayed_work work; + struct completion ramp_done; +}; + +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; + struct twl6040_output headset; + struct twl6040_output handsfree; +}; + +/* + * 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]); + } +} + +/* + * Ramp HS PGA volume to minimise pops at stream startup and shutdown. + */ +static inline int twl6040_hs_ramp_step(struct snd_soc_codec *codec, + unsigned int left_step, unsigned int right_step) +{ + + struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); + struct twl6040_output *headset = &priv->headset; + int left_complete = 0, right_complete = 0; + u8 reg, val; + + /* left channel */ + left_step = (left_step > 0xF) ? 0xF : left_step; + reg = twl6040_read_reg_cache(codec, TWL6040_REG_HSGAIN); + val = (~reg & TWL6040_HSL_VOL_MASK); + + if (headset->ramp == TWL6040_RAMP_UP) { + /* ramp step up */ + if (val < headset->left_vol) { + if (val + left_step > headset->left_vol) + val = headset->left_vol; + else + val += left_step; + + reg &= ~TWL6040_HSL_VOL_MASK; + twl6040_write(codec, TWL6040_REG_HSGAIN, + (reg | (~val & TWL6040_HSL_VOL_MASK))); + } else { + left_complete = 1; + } + } else if (headset->ramp == TWL6040_RAMP_DOWN) { + /* ramp step down */ + if (val > 0x0) { + if ((int)val - (int)left_step < 0) + val = 0; + else + val -= left_step; + + reg &= ~TWL6040_HSL_VOL_MASK; + twl6040_write(codec, TWL6040_REG_HSGAIN, reg | + (~val & TWL6040_HSL_VOL_MASK)); + } else { + left_complete = 1; + } + } + + /* right channel */ + right_step = (right_step > 0xF) ? 0xF : right_step; + reg = twl6040_read_reg_cache(codec, TWL6040_REG_HSGAIN); + val = (~reg & TWL6040_HSR_VOL_MASK) >> TWL6040_HSR_VOL_SHIFT; + + if (headset->ramp == TWL6040_RAMP_UP) { + /* ramp step up */ + if (val < headset->right_vol) { + if (val + right_step > headset->right_vol) + val = headset->right_vol; + else + val += right_step; + + reg &= ~TWL6040_HSR_VOL_MASK; + twl6040_write(codec, TWL6040_REG_HSGAIN, + (reg | (~val << TWL6040_HSR_VOL_SHIFT))); + } else { + right_complete = 1; + } + } else if (headset->ramp == TWL6040_RAMP_DOWN) { + /* ramp step down */ + if (val > 0x0) { + if ((int)val - (int)right_step < 0) + val = 0; + else + val -= right_step; + + reg &= ~TWL6040_HSR_VOL_MASK; + twl6040_write(codec, TWL6040_REG_HSGAIN, + reg | (~val << TWL6040_HSR_VOL_SHIFT)); + } else { + right_complete = 1; + } + } + + return left_complete & right_complete; +} + +/* + * Ramp HF PGA volume to minimise pops at stream startup and shutdown. + */ +static inline int twl6040_hf_ramp_step(struct snd_soc_codec *codec, + unsigned int left_step, unsigned int right_step) +{ + struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); + struct twl6040_output *handsfree = &priv->handsfree; + int left_complete = 0, right_complete = 0; + u16 reg, val; + + /* left channel */ + left_step = (left_step > 0x1D) ? 0x1D : left_step; + reg = twl6040_read_reg_cache(codec, TWL6040_REG_HFLGAIN); + reg = 0x1D - reg; + val = (reg & TWL6040_HF_VOL_MASK); + if (handsfree->ramp == TWL6040_RAMP_UP) { + /* ramp step up */ + if (val < handsfree->left_vol) { + if (val + left_step > handsfree->left_vol) + val = handsfree->left_vol; + else + val += left_step; + + reg &= ~TWL6040_HF_VOL_MASK; + twl6040_write(codec, TWL6040_REG_HFLGAIN, + reg | (0x1D - val)); + } else { + left_complete = 1; + } + } else if (handsfree->ramp == TWL6040_RAMP_DOWN) { + /* ramp step down */ + if (val > 0) { + if ((int)val - (int)left_step < 0) + val = 0; + else + val -= left_step; + + reg &= ~TWL6040_HF_VOL_MASK; + twl6040_write(codec, TWL6040_REG_HFLGAIN, + reg | (0x1D - val)); + } else { + left_complete = 1; + } + } + + /* right channel */ + right_step = (right_step > 0x1D) ? 0x1D : right_step; + reg = twl6040_read_reg_cache(codec, TWL6040_REG_HFRGAIN); + reg = 0x1D - reg; + val = (reg & TWL6040_HF_VOL_MASK); + if (handsfree->ramp == TWL6040_RAMP_UP) { + /* ramp step up */ + if (val < handsfree->right_vol) { + if (val + right_step > handsfree->right_vol) + val = handsfree->right_vol; + else + val += right_step; + + reg &= ~TWL6040_HF_VOL_MASK; + twl6040_write(codec, TWL6040_REG_HFRGAIN, + reg | (0x1D - val)); + } else { + right_complete = 1; + } + } else if (handsfree->ramp == TWL6040_RAMP_DOWN) { + /* ramp step down */ + if (val > 0) { + if ((int)val - (int)right_step < 0) + val = 0; + else + val -= right_step; + + reg &= ~TWL6040_HF_VOL_MASK; + twl6040_write(codec, TWL6040_REG_HFRGAIN, + reg | (0x1D - val)); + } + } + + return left_complete & right_complete; +} + +/* + * This work ramps both output PGAs at stream start/stop time to + * minimise pop associated with DAPM power switching. + */ +static void twl6040_pga_hs_work(struct work_struct *work) +{ + struct twl6040_data *priv = + container_of(work, struct twl6040_data, headset.work.work); + struct snd_soc_codec *codec = priv->codec; + struct twl6040_output *headset = &priv->headset; + int i, headset_complete; + + /* do we need to ramp at all ? */ + if (headset->ramp == TWL6040_RAMP_NONE) + return; + + /* HS PGA gain range: 0x0 - 0xf (0 - 15) */ + for (i = 0; i < 16; i++) { + headset_complete = twl6040_hs_ramp_step(codec, + headset->left_step, + headset->right_step); + + /* ramp finished ? */ + if (headset_complete) + break; + + schedule_timeout_interruptible( + msecs_to_jiffies(headset->step_delay)); + } + + if (headset->ramp == TWL6040_RAMP_DOWN) { + headset->active = 0; + complete(&headset->ramp_done); + } else { + headset->active = 1; + } + headset->ramp = TWL6040_RAMP_NONE; +} + +static void twl6040_pga_hf_work(struct work_struct *work) +{ + struct twl6040_data *priv = + container_of(work, struct twl6040_data, handsfree.work.work); + struct snd_soc_codec *codec = priv->codec; + struct twl6040_output *handsfree = &priv->handsfree; + int i, handsfree_complete; + + /* do we need to ramp at all ? */ + if (handsfree->ramp == TWL6040_RAMP_NONE) + return; + + /* + * HF PGA gain range: 0x00 - 0x1d (0 - 29) */ + for (i = 0; i < 30; i++) { + handsfree_complete = twl6040_hf_ramp_step(codec, + handsfree->left_step, + handsfree->right_step); + + /* ramp finished ? */ + if (handsfree_complete) + break; + + schedule_timeout_interruptible( + msecs_to_jiffies(handsfree->step_delay)); + } + + + if (handsfree->ramp == TWL6040_RAMP_DOWN) { + handsfree->active = 0; + complete(&handsfree->ramp_done); + } else + handsfree->active = 1; + handsfree->ramp = TWL6040_RAMP_NONE; +} + +static int out_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); + struct twl6040_output *out; + struct delayed_work *work; + + switch (w->shift) { + case 2: /* Headset output driver */ + out = &priv->headset; + work = &out->work; + /* + * Make sure, that we do not mess up variables for already + * executing work. + */ + cancel_delayed_work_sync(work); + + out->left_step = priv->hs_left_step; + out->right_step = priv->hs_right_step; + out->step_delay = 5; /* 5 ms between volume ramp steps */ + break; + case 4: /* Handsfree output driver */ + out = &priv->handsfree; + work = &out->work; + /* + * Make sure, that we do not mess up variables for already + * executing work. + */ + cancel_delayed_work_sync(work); + + out->left_step = priv->hf_left_step; + out->right_step = priv->hf_right_step; + out->step_delay = 5; /* 5 ms between volume ramp steps */ + break; + default: + return -1; + } + + switch (event) { + case SND_SOC_DAPM_POST_PMU: + if (out->active) + break; + + /* don't use volume ramp for power-up */ + out->ramp = TWL6040_RAMP_UP; + out->left_step = out->left_vol; + out->right_step = out->right_vol; + + queue_delayed_work(priv->workqueue, work, msecs_to_jiffies(1)); + break; + + case SND_SOC_DAPM_PRE_PMD: + if (!out->active) + break; + + /* use volume ramp for power-down */ + out->ramp = TWL6040_RAMP_DOWN; + INIT_COMPLETION(out->ramp_done); + + queue_delayed_work(priv->workqueue, work, msecs_to_jiffies(1)); + + wait_for_completion_timeout(&out->ramp_done, + msecs_to_jiffies(2000)); + break; + } + + return 0; +} + +/* 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_put_volsw(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec); + struct twl6040_output *out = NULL; + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + int ret; + + /* For HS and HF we shadow the values and only actually write + * them out when active in order to ensure the amplifier comes on + * as quietly as possible. */ + switch (mc->reg) { + case TWL6040_REG_HSGAIN: + out = &twl6040_priv->headset; + break; + case TWL6040_REG_HFLGAIN: + out = &twl6040_priv->handsfree; + break; + default: + dev_warn(codec->dev, "%s: Unexpected register: 0x%02x\n", + __func__, mc->reg); + return -EINVAL; + } + + out->left_vol = ucontrol->value.integer.value[0]; + out->right_vol = ucontrol->value.integer.value[1]; + if (!out->active) + return 1; + + ret = snd_soc_put_volsw(kcontrol, ucontrol); + if (ret < 0) + return ret; + + return 1; +} + +static int twl6040_get_volsw(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec); + struct twl6040_output *out = &twl6040_priv->headset; + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + + switch (mc->reg) { + case TWL6040_REG_HSGAIN: + out = &twl6040_priv->headset; + break; + case TWL6040_REG_HFLGAIN: + out = &twl6040_priv->handsfree; + break; + default: + dev_warn(codec->dev, "%s: Unexpected register: 0x%02x\n", + __func__, mc->reg); + return -EINVAL; + } + + ucontrol->value.integer.value[0] = out->left_vol; + ucontrol->value.integer.value[1] = out->right_vol; + return 0; +} + +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-Perfomance", +}; + +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_2) + /* 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_EXT_TLV("Headset Playback Volume", + TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, twl6040_get_volsw, + twl6040_put_volsw, hs_tlv), + SOC_DOUBLE_R_EXT_TLV("Handsfree Playback Volume", + TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, + twl6040_get_volsw, twl6040_put_volsw, 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", "Left Front Capture", + TWL6040_REG_MICLCTL, 2, 0), + SND_SOC_DAPM_ADC("ADC Right", "Right Front Capture", + 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", "Headset Playback", SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_DAC("HSDAC Right", "Headset Playback", SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_DAC("HFDAC Left", "Handsfree Playback", + TWL6040_REG_HFLCTL, 0, 0), + SND_SOC_DAPM_DAC("HFDAC Right", "Handsfree Playback", + TWL6040_REG_HFRCTL, 0, 0), + /* Virtual DAC for vibra path (DL4 channel) */ + SND_SOC_DAPM_DAC("VIBRA DAC", "Vibra Playback", + 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_E("HF Left Driver", + TWL6040_REG_HFLCTL, 4, 0, NULL, 0, + out_drv_event, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), + SND_SOC_DAPM_OUT_DRV_E("HF Right Driver", + TWL6040_REG_HFRCTL, 4, 0, NULL, 0, + out_drv_event, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), + SND_SOC_DAPM_OUT_DRV_E("HS Left Driver", + TWL6040_REG_HSLCTL, 2, 0, NULL, 0, + out_drv_event, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), + SND_SOC_DAPM_OUT_DRV_E("HS Right Driver", + TWL6040_REG_HSRCTL, 2, 0, NULL, 0, + out_drv_event, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), + 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[] = { + /* 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_pcm_runtime *rtd = substream->private_data; + struct snd_soc_codec *codec = rtd->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_pcm_runtime *rtd = substream->private_data; + struct snd_soc_codec *codec = rtd->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_pcm_runtime *rtd = substream->private_data; + struct snd_soc_codec *codec = rtd->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 = "Playback", + .channels_min = 1, + .channels_max = 5, + .rates = TWL6040_RATES, + .formats = TWL6040_FORMATS, + }, + .capture = { + .stream_name = "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); + twl6040_set_bias_level(codec, codec->dapm.suspend_bias_level); + + 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); + INIT_DELAYED_WORK(&priv->headset.work, twl6040_pga_hs_work); + INIT_DELAYED_WORK(&priv->handsfree.work, twl6040_pga_hf_work); + + mutex_init(&priv->mutex); + + init_completion(&priv->headset.ramp_done); + init_completion(&priv->handsfree.ramp_done); + + ret = request_threaded_irq(priv->plug_irq, NULL, twl6040_audio_handler, + 0, "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 __devinit 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 __devexit 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 = __devexit_p(twl6040_codec_remove), +}; + +module_platform_driver(twl6040_codec_driver); + +MODULE_DESCRIPTION("ASoC TWL6040 codec driver"); +MODULE_AUTHOR("Misael Lopez Cruz"); +MODULE_LICENSE("GPL"); |