| /* |
| * 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/i2c.h> |
| #include <linux/gpio.h> |
| #include <linux/platform_device.h> |
| #include <linux/slab.h> |
| #include <linux/i2c/twl.h> |
| |
| #include <sound/core.h> |
| #include <sound/pcm.h> |
| #include <sound/pcm_params.h> |
| #include <sound/soc.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 |
| |
| struct twl6040_output { |
| u16 active; |
| u16 left_vol; |
| u16 right_vol; |
| u16 left_step; |
| u16 right_step; |
| unsigned int step_delay; |
| u16 ramp; |
| u16 mute; |
| struct completion ramp_done; |
| }; |
| |
| struct twl6040_jack_data { |
| struct snd_soc_jack *jack; |
| int report; |
| }; |
| |
| /* codec private data */ |
| struct twl6040_data { |
| int audpwron; |
| int naudint; |
| int codec_powered; |
| int pll; |
| int non_lp; |
| unsigned int sysclk; |
| struct snd_pcm_hw_constraint_list *sysclk_constraints; |
| struct completion ready; |
| struct twl6040_jack_data hs_jack; |
| struct snd_soc_codec *codec; |
| struct workqueue_struct *workqueue; |
| struct delayed_work delayed_work; |
| struct mutex mutex; |
| struct twl6040_output headset; |
| struct twl6040_output handsfree; |
| struct workqueue_struct *hf_workqueue; |
| struct workqueue_struct *hs_workqueue; |
| struct delayed_work hs_delayed_work; |
| struct delayed_work hf_delayed_work; |
| }; |
| |
| /* |
| * twl6040 register cache & default register settings |
| */ |
| static const u8 twl6040_reg[TWL6040_CACHEREGNUM] = { |
| 0x00, /* not used 0x00 */ |
| 0x4B, /* TWL6040_ASICID (ro) 0x01 */ |
| 0x00, /* TWL6040_ASICREV (ro) 0x02 */ |
| 0x00, /* TWL6040_INTID 0x03 */ |
| 0x00, /* TWL6040_INTMR 0x04 */ |
| 0x00, /* TWL6040_NCPCTRL 0x05 */ |
| 0x00, /* TWL6040_LDOCTL 0x06 */ |
| 0x60, /* TWL6040_HPPLLCTL 0x07 */ |
| 0x00, /* TWL6040_LPPLLCTL 0x08 */ |
| 0x4A, /* TWL6040_LPPLLDIV 0x09 */ |
| 0x00, /* TWL6040_AMICBCTL 0x0A */ |
| 0x00, /* TWL6040_DMICBCTL 0x0B */ |
| 0x18, /* TWL6040_MICLCTL 0x0C - No input selected on Left Mic */ |
| 0x18, /* TWL6040_MICRCTL 0x0D - No input selected on Right Mic */ |
| 0x00, /* TWL6040_MICGAIN 0x0E */ |
| 0x1B, /* TWL6040_LINEGAIN 0x0F */ |
| 0x00, /* TWL6040_HSLCTL 0x10 */ |
| 0x00, /* TWL6040_HSRCTL 0x11 */ |
| 0x00, /* TWL6040_HSGAIN 0x12 */ |
| 0x00, /* TWL6040_EARCTL 0x13 */ |
| 0x00, /* TWL6040_HFLCTL 0x14 */ |
| 0x00, /* TWL6040_HFLGAIN 0x15 */ |
| 0x00, /* TWL6040_HFRCTL 0x16 */ |
| 0x00, /* TWL6040_HFRGAIN 0x17 */ |
| 0x00, /* TWL6040_VIBCTLL 0x18 */ |
| 0x00, /* TWL6040_VIBDATL 0x19 */ |
| 0x00, /* TWL6040_VIBCTLR 0x1A */ |
| 0x00, /* TWL6040_VIBDATR 0x1B */ |
| 0x00, /* TWL6040_HKCTL1 0x1C */ |
| 0x00, /* TWL6040_HKCTL2 0x1D */ |
| 0x00, /* TWL6040_GPOCTL 0x1E */ |
| 0x00, /* TWL6040_ALB 0x1F */ |
| 0x00, /* TWL6040_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, /* TWL6040_TRIM1 0x28 */ |
| 0x00, /* TWL6040_TRIM2 0x29 */ |
| 0x00, /* TWL6040_TRIM3 0x2A */ |
| 0x00, /* TWL6040_HSOTRIM 0x2B */ |
| 0x00, /* TWL6040_HFOTRIM 0x2C */ |
| 0x09, /* TWL6040_ACCCTL 0x2D */ |
| 0x00, /* TWL6040_STATUS (ro) 0x2E */ |
| }; |
| |
| /* |
| * twl6040 vio/gnd registers: |
| * registers under vio/gnd supply can be accessed |
| * before the power-up sequence, after NRESPWRON goes high |
| */ |
| static const int twl6040_vio_reg[TWL6040_VIOREGNUM] = { |
| TWL6040_REG_ASICID, |
| TWL6040_REG_ASICREV, |
| TWL6040_REG_INTID, |
| TWL6040_REG_INTMR, |
| TWL6040_REG_NCPCTL, |
| TWL6040_REG_LDOCTL, |
| TWL6040_REG_AMICBCTL, |
| TWL6040_REG_DMICBCTL, |
| TWL6040_REG_HKCTL1, |
| TWL6040_REG_HKCTL2, |
| TWL6040_REG_GPOCTL, |
| TWL6040_REG_TRIM1, |
| TWL6040_REG_TRIM2, |
| TWL6040_REG_TRIM3, |
| TWL6040_REG_HSOTRIM, |
| TWL6040_REG_HFOTRIM, |
| TWL6040_REG_ACCCTL, |
| TWL6040_REG_STATUS, |
| }; |
| |
| /* |
| * twl6040 vdd/vss registers: |
| * registers under vdd/vss supplies can only be accessed |
| * after the power-up sequence |
| */ |
| static const int twl6040_vdd_reg[TWL6040_VDDREGNUM] = { |
| TWL6040_REG_HPPLLCTL, |
| TWL6040_REG_LPPLLCTL, |
| TWL6040_REG_LPPLLDIV, |
| 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, |
| TWL6040_REG_VIBCTLL, |
| TWL6040_REG_VIBDATL, |
| TWL6040_REG_VIBCTLR, |
| TWL6040_REG_VIBDATR, |
| TWL6040_REG_ALB, |
| TWL6040_REG_DLB, |
| }; |
| |
| /* |
| * 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) |
| { |
| u8 value; |
| |
| if (reg >= TWL6040_CACHEREGNUM) |
| return -EIO; |
| |
| twl_i2c_read_u8(TWL_MODULE_AUDIO_VOICE, &value, reg); |
| twl6040_write_reg_cache(codec, reg, value); |
| |
| return value; |
| } |
| |
| /* |
| * write to the twl6040 register space |
| */ |
| static int twl6040_write(struct snd_soc_codec *codec, |
| unsigned int reg, unsigned int value) |
| { |
| if (reg >= TWL6040_CACHEREGNUM) |
| return -EIO; |
| |
| twl6040_write_reg_cache(codec, reg, value); |
| return twl_i2c_write_u8(TWL_MODULE_AUDIO_VOICE, value, reg); |
| } |
| |
| static void twl6040_init_vio_regs(struct snd_soc_codec *codec) |
| { |
| u8 *cache = codec->reg_cache; |
| int reg, i; |
| |
| /* allow registers to be accessed by i2c */ |
| twl6040_write(codec, TWL6040_REG_ACCCTL, cache[TWL6040_REG_ACCCTL]); |
| |
| for (i = 0; i < TWL6040_VIOREGNUM; i++) { |
| reg = twl6040_vio_reg[i]; |
| /* skip read-only registers (ASICID, ASICREV, STATUS) */ |
| switch (reg) { |
| case TWL6040_REG_ASICID: |
| case TWL6040_REG_ASICREV: |
| case TWL6040_REG_STATUS: |
| continue; |
| default: |
| break; |
| } |
| twl6040_write(codec, reg, cache[reg]); |
| } |
| } |
| |
| static void twl6040_init_vdd_regs(struct snd_soc_codec *codec) |
| { |
| u8 *cache = codec->reg_cache; |
| int reg, i; |
| |
| for (i = 0; i < TWL6040_VDDREGNUM; i++) { |
| reg = twl6040_vdd_reg[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) { |
| 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) { |
| 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) { |
| 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) { |
| 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) { |
| 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) { |
| 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) { |
| 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) { |
| 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, hs_delayed_work.work); |
| struct snd_soc_codec *codec = priv->codec; |
| struct twl6040_output *headset = &priv->headset; |
| unsigned int delay = headset->step_delay; |
| int i, headset_complete; |
| |
| /* do we need to ramp at all ? */ |
| if (headset->ramp == TWL6040_RAMP_NONE) |
| return; |
| |
| /* HS PGA volumes have 4 bits of resolution to ramp */ |
| for (i = 0; i <= 16; i++) { |
| headset_complete = 1; |
| if (headset->ramp != TWL6040_RAMP_NONE) |
| headset_complete = twl6040_hs_ramp_step(codec, |
| headset->left_step, |
| headset->right_step); |
| |
| /* ramp finished ? */ |
| if (headset_complete) |
| break; |
| |
| /* |
| * TODO: tune: delay is longer over 0dB |
| * as increases are larger. |
| */ |
| if (i >= 8) |
| schedule_timeout_interruptible(msecs_to_jiffies(delay + |
| (delay >> 1))); |
| else |
| schedule_timeout_interruptible(msecs_to_jiffies(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, hf_delayed_work.work); |
| struct snd_soc_codec *codec = priv->codec; |
| struct twl6040_output *handsfree = &priv->handsfree; |
| unsigned int delay = handsfree->step_delay; |
| int i, handsfree_complete; |
| |
| /* do we need to ramp at all ? */ |
| if (handsfree->ramp == TWL6040_RAMP_NONE) |
| return; |
| |
| /* HF PGA volumes have 5 bits of resolution to ramp */ |
| for (i = 0; i <= 32; i++) { |
| handsfree_complete = 1; |
| if (handsfree->ramp != TWL6040_RAMP_NONE) |
| handsfree_complete = twl6040_hf_ramp_step(codec, |
| handsfree->left_step, |
| handsfree->right_step); |
| |
| /* ramp finished ? */ |
| if (handsfree_complete) |
| break; |
| |
| /* |
| * TODO: tune: delay is longer over 0dB |
| * as increases are larger. |
| */ |
| if (i >= 16) |
| schedule_timeout_interruptible(msecs_to_jiffies(delay + |
| (delay >> 1))); |
| else |
| schedule_timeout_interruptible(msecs_to_jiffies(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 pga_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; |
| struct workqueue_struct *queue; |
| |
| switch (w->shift) { |
| case 2: |
| case 3: |
| out = &priv->headset; |
| work = &priv->hs_delayed_work; |
| queue = priv->hs_workqueue; |
| out->step_delay = 5; /* 5 ms between volume ramp steps */ |
| break; |
| case 4: |
| out = &priv->handsfree; |
| work = &priv->hf_delayed_work; |
| queue = priv->hf_workqueue; |
| out->step_delay = 5; /* 5 ms between volume ramp steps */ |
| if (SND_SOC_DAPM_EVENT_ON(event)) |
| priv->non_lp++; |
| else |
| priv->non_lp--; |
| 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->left_step = out->left_vol; |
| out->right_step = out->right_vol; |
| |
| if (!delayed_work_pending(work)) { |
| out->ramp = TWL6040_RAMP_UP; |
| queue_delayed_work(queue, work, |
| msecs_to_jiffies(1)); |
| } |
| break; |
| |
| case SND_SOC_DAPM_PRE_PMD: |
| if (!out->active) |
| break; |
| |
| if (!delayed_work_pending(work)) { |
| /* use volume ramp for power-down */ |
| out->left_step = 1; |
| out->right_step = 1; |
| out->ramp = TWL6040_RAMP_DOWN; |
| INIT_COMPLETION(out->ramp_done); |
| |
| queue_delayed_work(queue, work, |
| msecs_to_jiffies(1)); |
| |
| wait_for_completion_timeout(&out->ramp_done, |
| msecs_to_jiffies(2000)); |
| } |
| break; |
| } |
| |
| return 0; |
| } |
| |
| /* twl6040 codec manual power-up sequence */ |
| static void twl6040_power_up(struct snd_soc_codec *codec) |
| { |
| u8 ncpctl, ldoctl, lppllctl, accctl; |
| |
| ncpctl = twl6040_read_reg_cache(codec, TWL6040_REG_NCPCTL); |
| ldoctl = twl6040_read_reg_cache(codec, TWL6040_REG_LDOCTL); |
| lppllctl = twl6040_read_reg_cache(codec, TWL6040_REG_LPPLLCTL); |
| accctl = twl6040_read_reg_cache(codec, TWL6040_REG_ACCCTL); |
| |
| /* enable reference system */ |
| ldoctl |= TWL6040_REFENA; |
| twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl); |
| msleep(10); |
| /* enable internal oscillator */ |
| ldoctl |= TWL6040_OSCENA; |
| twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl); |
| udelay(10); |
| /* enable high-side ldo */ |
| ldoctl |= TWL6040_HSLDOENA; |
| twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl); |
| udelay(244); |
| /* enable negative charge pump */ |
| ncpctl |= TWL6040_NCPENA | TWL6040_NCPOPEN; |
| twl6040_write(codec, TWL6040_REG_NCPCTL, ncpctl); |
| udelay(488); |
| /* enable low-side ldo */ |
| ldoctl |= TWL6040_LSLDOENA; |
| twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl); |
| udelay(244); |
| /* enable low-power pll */ |
| lppllctl |= TWL6040_LPLLENA; |
| twl6040_write(codec, TWL6040_REG_LPPLLCTL, lppllctl); |
| /* reset state machine */ |
| accctl |= TWL6040_RESETSPLIT; |
| twl6040_write(codec, TWL6040_REG_ACCCTL, accctl); |
| mdelay(5); |
| accctl &= ~TWL6040_RESETSPLIT; |
| twl6040_write(codec, TWL6040_REG_ACCCTL, accctl); |
| /* disable internal oscillator */ |
| ldoctl &= ~TWL6040_OSCENA; |
| twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl); |
| } |
| |
| /* twl6040 codec manual power-down sequence */ |
| static void twl6040_power_down(struct snd_soc_codec *codec) |
| { |
| u8 ncpctl, ldoctl, lppllctl, accctl; |
| |
| ncpctl = twl6040_read_reg_cache(codec, TWL6040_REG_NCPCTL); |
| ldoctl = twl6040_read_reg_cache(codec, TWL6040_REG_LDOCTL); |
| lppllctl = twl6040_read_reg_cache(codec, TWL6040_REG_LPPLLCTL); |
| accctl = twl6040_read_reg_cache(codec, TWL6040_REG_ACCCTL); |
| |
| /* enable internal oscillator */ |
| ldoctl |= TWL6040_OSCENA; |
| twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl); |
| udelay(10); |
| /* disable low-power pll */ |
| lppllctl &= ~TWL6040_LPLLENA; |
| twl6040_write(codec, TWL6040_REG_LPPLLCTL, lppllctl); |
| /* disable low-side ldo */ |
| ldoctl &= ~TWL6040_LSLDOENA; |
| twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl); |
| udelay(244); |
| /* disable negative charge pump */ |
| ncpctl &= ~(TWL6040_NCPENA | TWL6040_NCPOPEN); |
| twl6040_write(codec, TWL6040_REG_NCPCTL, ncpctl); |
| udelay(488); |
| /* disable high-side ldo */ |
| ldoctl &= ~TWL6040_HSLDOENA; |
| twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl); |
| udelay(244); |
| /* disable internal oscillator */ |
| ldoctl &= ~TWL6040_OSCENA; |
| twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl); |
| /* disable reference system */ |
| ldoctl &= ~TWL6040_REFENA; |
| twl6040_write(codec, TWL6040_REG_LDOCTL, ldoctl); |
| msleep(10); |
| } |
| |
| /* 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_HSDRVMODEL | TWL6040_HSDACMODEL; |
| |
| 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) |
| { |
| msleep(1); |
| return 0; |
| } |
| |
| static int twl6040_power_mode_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); |
| |
| if (SND_SOC_DAPM_EVENT_ON(event)) |
| priv->non_lp++; |
| else |
| priv->non_lp--; |
| |
| msleep(1); |
| |
| return 0; |
| } |
| |
| 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, delayed_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_naudint_handler(int irq, void *data) |
| { |
| struct snd_soc_codec *codec = data; |
| struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
| u8 intid; |
| |
| twl_i2c_read_u8(TWL_MODULE_AUDIO_VOICE, &intid, TWL6040_REG_INTID); |
| |
| if (intid & TWL6040_THINT) |
| dev_alert(codec->dev, "die temp over-limit detection\n"); |
| |
| if ((intid & TWL6040_PLUGINT) || (intid & TWL6040_UNPLUGINT)) |
| queue_delayed_work(priv->workqueue, &priv->delayed_work, |
| msecs_to_jiffies(200)); |
| |
| if (intid & TWL6040_HOOKINT) |
| dev_info(codec->dev, "hook detection\n"); |
| |
| if (intid & TWL6040_HFINT) |
| dev_alert(codec->dev, "hf drivers over current detection\n"); |
| |
| if (intid & TWL6040_VIBINT) |
| dev_alert(codec->dev, "vib drivers over current detection\n"); |
| |
| if (intid & TWL6040_READYINT) |
| complete(&priv->ready); |
| |
| 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; |
| unsigned int reg = mc->reg; |
| |
| /* 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 (reg) { |
| case TWL6040_REG_HSGAIN: |
| out = &twl6040_priv->headset; |
| break; |
| default: |
| break; |
| } |
| |
| if (out) { |
| 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; |
| unsigned int reg = mc->reg; |
| |
| switch (reg) { |
| case TWL6040_REG_HSGAIN: |
| out = &twl6040_priv->headset; |
| ucontrol->value.integer.value[0] = out->left_vol; |
| ucontrol->value.integer.value[1] = out->right_vol; |
| return 0; |
| |
| default: |
| break; |
| } |
| |
| return snd_soc_get_volsw(kcontrol, ucontrol); |
| } |
| |
| static int twl6040_put_volsw_2r_vu(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; |
| unsigned int reg = mc->reg; |
| |
| /* 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 (reg) { |
| case TWL6040_REG_HFLGAIN: |
| case TWL6040_REG_HFRGAIN: |
| out = &twl6040_priv->handsfree; |
| break; |
| default: |
| break; |
| } |
| |
| if (out) { |
| 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_2r(kcontrol, ucontrol); |
| if (ret < 0) |
| return ret; |
| |
| return 1; |
| } |
| |
| static int twl6040_get_volsw_2r(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->handsfree; |
| struct soc_mixer_control *mc = |
| (struct soc_mixer_control *)kcontrol->private_value; |
| unsigned int reg = mc->reg; |
| |
| /* If these are cached registers use the cache */ |
| switch (reg) { |
| case TWL6040_REG_HFLGAIN: |
| case TWL6040_REG_HFRGAIN: |
| out = &twl6040_priv->handsfree; |
| ucontrol->value.integer.value[0] = out->left_vol; |
| ucontrol->value.integer.value[1] = out->right_vol; |
| return 0; |
| |
| default: |
| break; |
| } |
| |
| return snd_soc_get_volsw_2r(kcontrol, ucontrol); |
| } |
| |
| /* double control with volume update */ |
| #define SOC_TWL6040_DOUBLE_TLV(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 = twl6040_get_volsw, \ |
| .put = twl6040_put_volsw, \ |
| .private_value = (unsigned long)&(struct soc_mixer_control) \ |
| {.reg = xreg, .shift = shift_left, .rshift = shift_right,\ |
| .max = xmax, .platform_max = xmax, .invert = xinvert} } |
| |
| /* double control with volume update */ |
| #define SOC_TWL6040_DOUBLE_R_TLV(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 | \ |
| SNDRV_CTL_ELEM_ACCESS_VOLATILE, \ |
| .tlv.p = (tlv_array), \ |
| .info = snd_soc_info_volsw_2r, \ |
| .get = twl6040_get_volsw_2r, .put = twl6040_put_volsw_2r_vu, \ |
| .private_value = (unsigned long)&(struct soc_mixer_control) \ |
| {.reg = reg_left, .rreg = reg_right, .shift = xshift, \ |
| .rshift = xshift, .max = xmax, .invert = xinvert}, } |
| |
| /* |
| * 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 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_driver_switch_controls = |
| SOC_DAPM_SINGLE("Switch", TWL6040_REG_EARCTL, 0, 1, 0); |
| |
| 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_TWL6040_DOUBLE_TLV("Headset Playback Volume", |
| TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv), |
| SOC_TWL6040_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), |
| }; |
| |
| 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"), |
| |
| /* 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_MICBIAS("Headset Mic Bias", |
| TWL6040_REG_AMICBCTL, 0, 0), |
| SND_SOC_DAPM_MICBIAS("Main Mic Bias", |
| TWL6040_REG_AMICBCTL, 4, 0), |
| SND_SOC_DAPM_MICBIAS("Digital Mic1 Bias", |
| TWL6040_REG_DMICBCTL, 0, 0), |
| SND_SOC_DAPM_MICBIAS("Digital Mic2 Bias", |
| TWL6040_REG_DMICBCTL, 4, 0), |
| |
| /* DACs */ |
| SND_SOC_DAPM_DAC_E("HSDAC Left", "Headset Playback", |
| TWL6040_REG_HSLCTL, 0, 0, |
| twl6040_hs_dac_event, |
| SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), |
| SND_SOC_DAPM_DAC_E("HSDAC Right", "Headset Playback", |
| TWL6040_REG_HSRCTL, 0, 0, |
| twl6040_hs_dac_event, |
| SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), |
| SND_SOC_DAPM_DAC_E("HFDAC Left", "Handsfree Playback", |
| TWL6040_REG_HFLCTL, 0, 0, |
| twl6040_power_mode_event, |
| SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), |
| SND_SOC_DAPM_DAC_E("HFDAC Right", "Handsfree Playback", |
| TWL6040_REG_HFRCTL, 0, 0, |
| twl6040_power_mode_event, |
| SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), |
| |
| SND_SOC_DAPM_MUX("HF Left Playback", |
| SND_SOC_NOPM, 0, 0, &hfl_mux_controls), |
| SND_SOC_DAPM_MUX("HF Right Playback", |
| SND_SOC_NOPM, 0, 0, &hfr_mux_controls), |
| /* Analog playback Muxes */ |
| SND_SOC_DAPM_MUX("HS Left Playback", |
| SND_SOC_NOPM, 0, 0, &hsl_mux_controls), |
| SND_SOC_DAPM_MUX("HS Right Playback", |
| SND_SOC_NOPM, 0, 0, &hsr_mux_controls), |
| |
| /* Analog playback drivers */ |
| SND_SOC_DAPM_OUT_DRV_E("Handsfree Left Driver", |
| TWL6040_REG_HFLCTL, 4, 0, NULL, 0, |
| pga_event, |
| SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), |
| SND_SOC_DAPM_OUT_DRV_E("Handsfree Right Driver", |
| TWL6040_REG_HFRCTL, 4, 0, NULL, 0, |
| pga_event, |
| SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), |
| SND_SOC_DAPM_OUT_DRV_E("Headset Left Driver", |
| TWL6040_REG_HSLCTL, 2, 0, NULL, 0, |
| pga_event, |
| SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), |
| SND_SOC_DAPM_OUT_DRV_E("Headset Right Driver", |
| TWL6040_REG_HSRCTL, 2, 0, NULL, 0, |
| pga_event, |
| SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), |
| SND_SOC_DAPM_SWITCH_E("Earphone Driver", |
| SND_SOC_NOPM, 0, 0, &ep_driver_switch_controls, |
| twl6040_power_mode_event, |
| SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), |
| |
| /* Analog playback PGAs */ |
| SND_SOC_DAPM_PGA("HFDAC Left PGA", |
| TWL6040_REG_HFLCTL, 1, 0, NULL, 0), |
| SND_SOC_DAPM_PGA("HFDAC 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"}, |
| |
| {"HS Left Playback", "HS DAC", "HSDAC Left"}, |
| {"HS Left Playback", "Line-In amp", "AFMAmpL"}, |
| |
| {"HS Right Playback", "HS DAC", "HSDAC Right"}, |
| {"HS Right Playback", "Line-In amp", "AFMAmpR"}, |
| |
| {"Headset Left Driver", "NULL", "HS Left Playback"}, |
| {"Headset Right Driver", "NULL", "HS Right Playback"}, |
| |
| {"HSOL", NULL, "Headset Left Driver"}, |
| {"HSOR", NULL, "Headset Right Driver"}, |
| |
| /* Earphone playback path */ |
| {"Earphone Driver", "Switch", "HSDAC Left"}, |
| {"EP", NULL, "Earphone Driver"}, |
| |
| {"HF Left Playback", "HF DAC", "HFDAC Left"}, |
| {"HF Left Playback", "Line-In amp", "AFMAmpL"}, |
| |
| {"HF Right Playback", "HF DAC", "HFDAC Right"}, |
| {"HF Right Playback", "Line-In amp", "AFMAmpR"}, |
| |
| {"HFDAC Left PGA", NULL, "HF Left Playback"}, |
| {"HFDAC Right PGA", NULL, "HF Right Playback"}, |
| |
| {"Handsfree Left Driver", "Switch", "HFDAC Left PGA"}, |
| {"Handsfree Right Driver", "Switch", "HFDAC Right PGA"}, |
| |
| {"HFL", NULL, "Handsfree Left Driver"}, |
| {"HFR", NULL, "Handsfree Right Driver"}, |
| }; |
| |
| static int twl6040_add_widgets(struct snd_soc_codec *codec) |
| { |
| struct snd_soc_dapm_context *dapm = &codec->dapm; |
| |
| snd_soc_dapm_new_controls(dapm, twl6040_dapm_widgets, |
| ARRAY_SIZE(twl6040_dapm_widgets)); |
| snd_soc_dapm_add_routes(dapm, intercon, ARRAY_SIZE(intercon)); |
| snd_soc_dapm_new_widgets(dapm); |
| |
| return 0; |
| } |
| |
| static int twl6040_power_up_completion(struct snd_soc_codec *codec, |
| int naudint) |
| { |
| struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
| int time_left; |
| u8 intid; |
| |
| time_left = wait_for_completion_timeout(&priv->ready, |
| msecs_to_jiffies(144)); |
| |
| if (!time_left) { |
| twl_i2c_read_u8(TWL_MODULE_AUDIO_VOICE, &intid, |
| TWL6040_REG_INTID); |
| if (!(intid & TWL6040_READYINT)) { |
| dev_err(codec->dev, "timeout waiting for READYINT\n"); |
| return -ETIMEDOUT; |
| } |
| } |
| |
| priv->codec_powered = 1; |
| |
| return 0; |
| } |
| |
| static int twl6040_set_bias_level(struct snd_soc_codec *codec, |
| enum snd_soc_bias_level level) |
| { |
| struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); |
| int audpwron = priv->audpwron; |
| int naudint = priv->naudint; |
| 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; |
| |
| if (gpio_is_valid(audpwron)) { |
| /* use AUDPWRON line */ |
| gpio_set_value(audpwron, 1); |
| |
| /* wait for power-up completion */ |
| ret = twl6040_power_up_completion(codec, naudint); |
| if (ret) |
| return ret; |
| |
| /* sync registers updated during power-up sequence */ |
| twl6040_read_reg_volatile(codec, TWL6040_REG_NCPCTL); |
| twl6040_read_reg_volatile(codec, TWL6040_REG_LDOCTL); |
| twl6040_read_reg_volatile(codec, TWL6040_REG_LPPLLCTL); |
| } else { |
| /* use manual power-up sequence */ |
| twl6040_power_up(codec); |
| priv->codec_powered = 1; |
| } |
| |
| /* initialize vdd/vss registers with reg_cache */ |
| twl6040_init_vdd_regs(codec); |
| |
| /* Set external boost GPO */ |
| twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02); |
| |
| /* Set initial minimal gain values */ |
| twl6040_write(codec, TWL6040_REG_HSGAIN, 0xFF); |
| twl6040_write(codec, TWL6040_REG_EARCTL, 0x1E); |
| twl6040_write(codec, TWL6040_REG_HFLGAIN, 0x1D); |
| twl6040_write(codec, TWL6040_REG_HFRGAIN, 0x1D); |
| break; |
| case SND_SOC_BIAS_OFF: |
| if (!priv->codec_powered) |
| break; |
| |
| if (gpio_is_valid(audpwron)) { |
| /* use AUDPWRON line */ |
| gpio_set_value(audpwron, 0); |
| |
| /* power-down sequence latency */ |
| udelay(500); |
| |
| /* sync registers updated during power-down sequence */ |
| twl6040_read_reg_volatile(codec, TWL6040_REG_NCPCTL); |
| twl6040_read_reg_volatile(codec, TWL6040_REG_LDOCTL); |
| twl6040_write_reg_cache(codec, TWL6040_REG_LPPLLCTL, |
| 0x00); |
| } else { |
| /* use manual power-down sequence */ |
| twl6040_power_down(codec); |
| } |
| |
| priv->codec_powered = 0; |
| break; |
| } |
| |
| codec->dapm.bias_level = level; |
| |
| return 0; |
| } |
| |
| /* set of rates for each pll: low-power and high-performance */ |
| |
| static unsigned int lp_rates[] = { |
| 88200, |
| 96000, |
| }; |
| |
| static struct snd_pcm_hw_constraint_list lp_constraints = { |
| .count = ARRAY_SIZE(lp_rates), |
| .list = lp_rates, |
| }; |
| |
| static unsigned int hp_rates[] = { |
| 96000, |
| }; |
| |
| static struct snd_pcm_hw_constraint_list hp_constraints = { |
| .count = ARRAY_SIZE(hp_rates), |
| .list = hp_rates, |
| }; |
| |
| 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, |
| priv->sysclk_constraints); |
| |
| 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); |
| u8 lppllctl; |
| int rate; |
| |
| /* nothing to do for high-perf pll, it supports only 48 kHz */ |
| if (priv->pll == TWL6040_HPPLL_ID) |
| return 0; |
| |
| lppllctl = twl6040_read_reg_cache(codec, TWL6040_REG_LPPLLCTL); |
| |
| rate = params_rate(params); |
| switch (rate) { |
| case 11250: |
| case 22500: |
| case 44100: |
| case 88200: |
| lppllctl |= TWL6040_LPLLFIN; |
| priv->sysclk = 17640000; |
| break; |
| case 8000: |
| case 16000: |
| case 32000: |
| case 48000: |
| case 96000: |
| lppllctl &= ~TWL6040_LPLLFIN; |
| priv->sysclk = 19200000; |
| break; |
| default: |
| dev_err(codec->dev, "unsupported rate %d\n", rate); |
| return -EINVAL; |
| } |
| |
| twl6040_write(codec, TWL6040_REG_LPPLLCTL, lppllctl); |
| |
| 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_data *priv = snd_soc_codec_get_drvdata(codec); |
| |
| if (!priv->sysclk) { |
| dev_err(codec->dev, |
| "no mclk configured, call set_sysclk() on init\n"); |
| return -EINVAL; |
| } |
| |
| /* |
| * capture is not supported at 17.64 MHz, |
| * it's reserved for headset low-power playback scenario |
| */ |
| if ((priv->sysclk == 17640000) && |
| substream->stream == SNDRV_PCM_STREAM_CAPTURE) { |
| dev_err(codec->dev, |
| "capture mode is not supported at %dHz\n", |
| priv->sysclk); |
| return -EINVAL; |
| } |
| |
| if ((priv->sysclk == 17640000) && priv->non_lp) { |
| dev_err(codec->dev, |
| "some enabled paths aren't supported at %dHz\n", |
| priv->sysclk); |
| 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); |
| u8 hppllctl, lppllctl; |
| |
| hppllctl = twl6040_read_reg_cache(codec, TWL6040_REG_HPPLLCTL); |
| lppllctl = twl6040_read_reg_cache(codec, TWL6040_REG_LPPLLCTL); |
| |
| switch (clk_id) { |
| case TWL6040_SYSCLK_SEL_LPPLL: |
| switch (freq) { |
| case 32768: |
| /* headset dac and driver must be in low-power mode */ |
| headset_power_mode(codec, 0); |
| |
| /* clk32k input requires low-power pll */ |
| lppllctl |= TWL6040_LPLLENA; |
| twl6040_write(codec, TWL6040_REG_LPPLLCTL, lppllctl); |
| mdelay(5); |
| lppllctl &= ~TWL6040_HPLLSEL; |
| twl6040_write(codec, TWL6040_REG_LPPLLCTL, lppllctl); |
| hppllctl &= ~TWL6040_HPLLENA; |
| twl6040_write(codec, TWL6040_REG_HPPLLCTL, hppllctl); |
| break; |
| default: |
| dev_err(codec->dev, "unknown mclk freq %d\n", freq); |
| return -EINVAL; |
| } |
| |
| /* lppll divider */ |
| switch (priv->sysclk) { |
| case 17640000: |
| lppllctl |= TWL6040_LPLLFIN; |
| break; |
| case 19200000: |
| lppllctl &= ~TWL6040_LPLLFIN; |
| break; |
| default: |
| /* sysclk not yet configured */ |
| lppllctl &= ~TWL6040_LPLLFIN; |
| priv->sysclk = 19200000; |
| break; |
| } |
| |
| twl6040_write(codec, TWL6040_REG_LPPLLCTL, lppllctl); |
| |
| priv->pll = TWL6040_LPPLL_ID; |
| priv->sysclk_constraints = &lp_constraints; |
| break; |
| case TWL6040_SYSCLK_SEL_HPPLL: |
| hppllctl &= ~TWL6040_MCLK_MSK; |
| |
| switch (freq) { |
| case 12000000: |
| /* mclk input, pll enabled */ |
| hppllctl |= TWL6040_MCLK_12000KHZ | |
| TWL6040_HPLLSQRBP | |
| TWL6040_HPLLENA; |
| break; |
| case 19200000: |
| /* mclk input, pll disabled */ |
| hppllctl |= TWL6040_MCLK_19200KHZ | |
| TWL6040_HPLLSQRENA | |
| TWL6040_HPLLBP; |
| break; |
| case 26000000: |
| /* mclk input, pll enabled */ |
| hppllctl |= TWL6040_MCLK_26000KHZ | |
| TWL6040_HPLLSQRBP | |
| TWL6040_HPLLENA; |
| break; |
| case 38400000: |
| /* clk slicer, pll disabled */ |
| hppllctl |= TWL6040_MCLK_38400KHZ | |
| TWL6040_HPLLSQRENA | |
| TWL6040_HPLLBP; |
| break; |
| default: |
| dev_err(codec->dev, "unknown mclk freq %d\n", freq); |
| return -EINVAL; |
| } |
| |
| /* headset dac and driver must be in high-performance mode */ |
| headset_power_mode(codec, 1); |
| |
| twl6040_write(codec, TWL6040_REG_HPPLLCTL, hppllctl); |
| udelay(500); |
| lppllctl |= TWL6040_HPLLSEL; |
| twl6040_write(codec, TWL6040_REG_LPPLLCTL, lppllctl); |
| lppllctl &= ~TWL6040_LPLLENA; |
| twl6040_write(codec, TWL6040_REG_LPPLLCTL, lppllctl); |
| |
| /* high-performance pll can provide only 19.2 MHz */ |
| priv->pll = TWL6040_HPPLL_ID; |
| priv->sysclk = 19200000; |
| priv->sysclk_constraints = &hp_constraints; |
| break; |
| default: |
| dev_err(codec->dev, "unknown clk_id %d\n", clk_id); |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static 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-hifi", |
| .playback = { |
| .stream_name = "Playback", |
| .channels_min = 1, |
| .channels_max = 4, |
| .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, |
| }; |
| |
| #ifdef CONFIG_PM |
| static int twl6040_suspend(struct snd_soc_codec *codec, pm_message_t state) |
| { |
| 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 twl4030_codec_data *twl_codec = codec->dev->platform_data; |
| struct twl6040_data *priv; |
| int audpwron, naudint; |
| int ret = 0; |
| u8 icrev, intmr = TWL6040_ALLINT_MSK; |
| |
| priv = kzalloc(sizeof(struct twl6040_data), GFP_KERNEL); |
| if (priv == NULL) |
| return -ENOMEM; |
| snd_soc_codec_set_drvdata(codec, priv); |
| |
| priv->codec = codec; |
| |
| twl_i2c_read_u8(TWL_MODULE_AUDIO_VOICE, &icrev, TWL6040_REG_ASICREV); |
| |
| if (twl_codec && (icrev > 0)) |
| audpwron = twl_codec->audpwron_gpio; |
| else |
| audpwron = -EINVAL; |
| |
| if (twl_codec) |
| naudint = twl_codec->naudint_irq; |
| else |
| naudint = 0; |
| |
| priv->audpwron = audpwron; |
| priv->naudint = naudint; |
| priv->workqueue = create_singlethread_workqueue("twl6040-codec"); |
| |
| if (!priv->workqueue) { |
| ret = -ENOMEM; |
| goto work_err; |
| } |
| |
| INIT_DELAYED_WORK(&priv->delayed_work, twl6040_accessory_work); |
| |
| mutex_init(&priv->mutex); |
| |
| init_completion(&priv->ready); |
| init_completion(&priv->headset.ramp_done); |
| init_completion(&priv->handsfree.ramp_done); |
| |
| if (gpio_is_valid(audpwron)) { |
| ret = gpio_request(audpwron, "audpwron"); |
| if (ret) |
| goto gpio1_err; |
| |
| ret = gpio_direction_output(audpwron, 0); |
| if (ret) |
| goto gpio2_err; |
| |
| priv->codec_powered = 0; |
| |
| /* enable only codec ready interrupt */ |
| intmr &= ~(TWL6040_READYMSK | TWL6040_PLUGMSK); |
| |
| /* reset interrupt status to allow correct power up sequence */ |
| twl6040_read_reg_volatile(codec, TWL6040_REG_INTID); |
| } |
| twl6040_write(codec, TWL6040_REG_INTMR, intmr); |
| |
| if (naudint) { |
| /* audio interrupt */ |
| ret = request_threaded_irq(naudint, NULL, |
| twl6040_naudint_handler, |
| IRQF_TRIGGER_LOW | IRQF_ONESHOT, |
| "twl6040_codec", codec); |
| if (ret) |
| goto gpio2_err; |
| } |
| |
| /* init vio registers */ |
| twl6040_init_vio_regs(codec); |
| |
| priv->hf_workqueue = create_singlethread_workqueue("twl6040-hf"); |
| if (priv->hf_workqueue == NULL) { |
| ret = -ENOMEM; |
| goto irq_err; |
| } |
| priv->hs_workqueue = create_singlethread_workqueue("twl6040-hs"); |
| if (priv->hs_workqueue == NULL) { |
| ret = -ENOMEM; |
| goto wq_err; |
| } |
| |
| INIT_DELAYED_WORK(&priv->hs_delayed_work, twl6040_pga_hs_work); |
| INIT_DELAYED_WORK(&priv->hf_delayed_work, twl6040_pga_hf_work); |
| |
| /* power on device */ |
| ret = twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
| if (ret) |
| goto bias_err; |
| |
| snd_soc_add_controls(codec, twl6040_snd_controls, |
| ARRAY_SIZE(twl6040_snd_controls)); |
| twl6040_add_widgets(codec); |
| |
| return 0; |
| |
| bias_err: |
| destroy_workqueue(priv->hs_workqueue); |
| wq_err: |
| destroy_workqueue(priv->hf_workqueue); |
| irq_err: |
| if (naudint) |
| free_irq(naudint, codec); |
| gpio2_err: |
| if (gpio_is_valid(audpwron)) |
| gpio_free(audpwron); |
| gpio1_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); |
| int audpwron = priv->audpwron; |
| int naudint = priv->naudint; |
| |
| twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF); |
| |
| if (gpio_is_valid(audpwron)) |
| gpio_free(audpwron); |
| |
| if (naudint) |
| free_irq(naudint, codec); |
| |
| destroy_workqueue(priv->workqueue); |
| destroy_workqueue(priv->hf_workqueue); |
| destroy_workqueue(priv->hs_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, |
| }; |
| |
| static int __devinit twl6040_codec_probe(struct platform_device *pdev) |
| { |
| return snd_soc_register_codec(&pdev->dev, |
| &soc_codec_dev_twl6040, &twl6040_dai, 1); |
| } |
| |
| 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), |
| }; |
| |
| static int __init twl6040_codec_init(void) |
| { |
| return platform_driver_register(&twl6040_codec_driver); |
| } |
| module_init(twl6040_codec_init); |
| |
| static void __exit twl6040_codec_exit(void) |
| { |
| platform_driver_unregister(&twl6040_codec_driver); |
| } |
| module_exit(twl6040_codec_exit); |
| |
| MODULE_DESCRIPTION("ASoC TWL6040 codec driver"); |
| MODULE_AUTHOR("Misael Lopez Cruz"); |
| MODULE_LICENSE("GPL"); |