diff options
Diffstat (limited to 'sound/soc/codecs/tlv320dac33.c')
| -rw-r--r-- | sound/soc/codecs/tlv320dac33.c | 749 |
1 files changed, 349 insertions, 400 deletions
diff --git a/sound/soc/codecs/tlv320dac33.c b/sound/soc/codecs/tlv320dac33.c index 65adc77eada..df3a7506c02 100644 --- a/sound/soc/codecs/tlv320dac33.c +++ b/sound/soc/codecs/tlv320dac33.c @@ -1,7 +1,7 @@ /* * ALSA SoC Texas Instruments TLV320DAC33 codec driver * - * Author: Peter Ujfalusi <peter.ujfalusi@nokia.com> + * Author: Peter Ujfalusi <peter.ujfalusi@ti.com> * * Copyright: (C) 2009 Nokia Corporation * @@ -27,7 +27,6 @@ #include <linux/delay.h> #include <linux/pm.h> #include <linux/i2c.h> -#include <linux/platform_device.h> #include <linux/interrupt.h> #include <linux/gpio.h> #include <linux/regulator/consumer.h> @@ -36,36 +35,37 @@ #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 <sound/tlv320dac33-plat.h> #include "tlv320dac33.h" -#define DAC33_BUFFER_SIZE_BYTES 24576 /* bytes, 12288 16 bit words, - * 6144 stereo */ -#define DAC33_BUFFER_SIZE_SAMPLES 6144 - -#define NSAMPLE_MAX 5700 - -#define LATENCY_TIME_MS 20 - -#define MODE7_LTHR 10 -#define MODE7_UTHR (DAC33_BUFFER_SIZE_SAMPLES - 10) +/* + * The internal FIFO is 24576 bytes long + * It can be configured to hold 16bit or 24bit samples + * In 16bit configuration the FIFO can hold 6144 stereo samples + * In 24bit configuration the FIFO can hold 4096 stereo samples + */ +#define DAC33_FIFO_SIZE_16BIT 6144 +#define DAC33_FIFO_SIZE_24BIT 4096 +#define DAC33_MODE7_MARGIN 10 /* Safety margin for FIFO in Mode7 */ #define BURST_BASEFREQ_HZ 49152000 #define SAMPLES_TO_US(rate, samples) \ - (1000000000 / ((rate * 1000) / samples)) + (1000000000 / (((rate) * 1000) / (samples))) #define US_TO_SAMPLES(rate, us) \ - (rate / (1000000 / us)) + ((rate) / (1000000 / ((us) < 1000000 ? (us) : 1000000))) -static void dac33_calculate_times(struct snd_pcm_substream *substream); -static int dac33_prepare_chip(struct snd_pcm_substream *substream); +#define UTHR_FROM_PERIOD_SIZE(samples, playrate, burstrate) \ + (((samples)*5000) / (((burstrate)*5000) / ((burstrate) - (playrate)))) -static struct snd_soc_codec *tlv320dac33_codec; +static void dac33_calculate_times(struct snd_pcm_substream *substream, + struct snd_soc_codec *codec); +static int dac33_prepare_chip(struct snd_pcm_substream *substream, + struct snd_soc_codec *codec); enum dac33_state { DAC33_IDLE = 0, @@ -92,7 +92,7 @@ struct tlv320dac33_priv { struct mutex mutex; struct workqueue_struct *dac33_wq; struct work_struct work; - struct snd_soc_codec codec; + struct snd_soc_codec *codec; struct regulator_bulk_data supplies[DAC33_NUM_SUPPLIES]; struct snd_pcm_substream *substream; int power_gpio; @@ -101,12 +101,11 @@ struct tlv320dac33_priv { unsigned int refclk; unsigned int alarm_threshold; /* set to be half of LATENCY_TIME_MS */ - unsigned int nsample_min; /* nsample should not be lower than - * this */ - unsigned int nsample_max; /* nsample should not be higher than - * this */ enum dac33_fifo_modes fifo_mode;/* FIFO mode selection */ + unsigned int fifo_size; /* Size of the FIFO in samples */ unsigned int nsample; /* burst read amount from host */ + int mode1_latency; /* latency caused by the i2c writes in + * us */ u8 burst_bclkdiv; /* BCLK divider value in burst mode */ unsigned int burst_rate; /* Interface speed in Burst modes */ @@ -120,7 +119,10 @@ struct tlv320dac33_priv { * samples */ unsigned int mode7_us_to_lthr; /* Time to reach lthr from uthr */ + unsigned int uthr; + enum dac33_state state; + void *control_data; }; static const u8 dac33_reg[DAC33_CACHEREGNUM] = { @@ -193,7 +195,7 @@ static int dac33_read(struct snd_soc_codec *codec, unsigned int reg, u8 *value) { struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec); - int val; + int val, ret = 0; *value = reg & 0xff; @@ -203,6 +205,7 @@ static int dac33_read(struct snd_soc_codec *codec, unsigned int reg, if (val < 0) { dev_err(codec->dev, "Read failed (%d)\n", val); value[0] = dac33_read_reg_cache(codec, reg); + ret = val; } else { value[0] = val; dac33_write_reg_cache(codec, reg, val); @@ -211,7 +214,7 @@ static int dac33_read(struct snd_soc_codec *codec, unsigned int reg, value[0] = dac33_read_reg_cache(codec, reg); } - return 0; + return ret; } static int dac33_write(struct snd_soc_codec *codec, unsigned int reg, @@ -295,7 +298,6 @@ static void dac33_init_chip(struct snd_soc_codec *codec) if (unlikely(!dac33->chip_power)) return; - /* 44-46: DAC Control Registers */ /* A : DAC sample rate Fsref/1.5 */ dac33_write(codec, DAC33_DAC_CTRL_A, DAC33_DACRATE(0)); /* B : DAC src=normal, not muted */ @@ -308,8 +310,6 @@ static void dac33_init_chip(struct snd_soc_codec *codec) clock source = internal osc (?) */ dac33_write(codec, DAC33_ANA_VOL_SOFT_STEP_CTRL, DAC33_VOLCLKEN); - dac33_write(codec, DAC33_PWR_CTRL, DAC33_PDNALLB); - /* Restore only selected registers (gains mostly) */ dac33_write(codec, DAC33_LDAC_DIG_VOL_CTRL, dac33_read_reg_cache(codec, DAC33_LDAC_DIG_VOL_CTRL)); @@ -320,15 +320,28 @@ static void dac33_init_chip(struct snd_soc_codec *codec) dac33_read_reg_cache(codec, DAC33_LINEL_TO_LLO_VOL)); dac33_write(codec, DAC33_LINER_TO_RLO_VOL, dac33_read_reg_cache(codec, DAC33_LINER_TO_RLO_VOL)); + + dac33_write(codec, DAC33_OUT_AMP_CTRL, + dac33_read_reg_cache(codec, DAC33_OUT_AMP_CTRL)); + + dac33_write(codec, DAC33_LDAC_PWR_CTRL, + dac33_read_reg_cache(codec, DAC33_LDAC_PWR_CTRL)); + dac33_write(codec, DAC33_RDAC_PWR_CTRL, + dac33_read_reg_cache(codec, DAC33_RDAC_PWR_CTRL)); } -static inline void dac33_read_id(struct snd_soc_codec *codec) +static inline int dac33_read_id(struct snd_soc_codec *codec) { + int i, ret = 0; u8 reg; - dac33_read(codec, DAC33_DEVICE_ID_MSB, ®); - dac33_read(codec, DAC33_DEVICE_ID_LSB, ®); - dac33_read(codec, DAC33_DEVICE_REV_ID, ®); + for (i = 0; i < 3; i++) { + ret = dac33_read(codec, DAC33_DEVICE_ID_MSB + i, ®); + if (ret < 0) + break; + } + + return ret; } static inline void dac33_soft_power(struct snd_soc_codec *codec, int power) @@ -344,6 +357,21 @@ static inline void dac33_soft_power(struct snd_soc_codec *codec, int power) dac33_write(codec, DAC33_PWR_CTRL, reg); } +static inline void dac33_disable_digital(struct snd_soc_codec *codec) +{ + u8 reg; + + /* Stop the DAI clock */ + reg = dac33_read_reg_cache(codec, DAC33_SER_AUDIOIF_CTRL_B); + reg &= ~DAC33_BCLKON; + dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_B, reg); + + /* Power down the Oscillator, and DACs */ + reg = dac33_read_reg_cache(codec, DAC33_PWR_CTRL); + reg &= ~(DAC33_OSCPDNB | DAC33_DACRPDNB | DAC33_DACLPDNB); + dac33_write(codec, DAC33_PWR_CTRL, reg); +} + static int dac33_hard_power(struct snd_soc_codec *codec, int power) { struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec); @@ -392,7 +420,7 @@ exit: return ret; } -static int playback_event(struct snd_soc_dapm_widget *w, +static int dac33_playback_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(w->codec); @@ -400,52 +428,21 @@ static int playback_event(struct snd_soc_dapm_widget *w, switch (event) { case SND_SOC_DAPM_PRE_PMU: if (likely(dac33->substream)) { - dac33_calculate_times(dac33->substream); - dac33_prepare_chip(dac33->substream); + dac33_calculate_times(dac33->substream, w->codec); + dac33_prepare_chip(dac33->substream, w->codec); } break; + case SND_SOC_DAPM_POST_PMD: + dac33_disable_digital(w->codec); + break; } return 0; } -static int dac33_get_nsample(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec); - - ucontrol->value.integer.value[0] = dac33->nsample; - - return 0; -} - -static int dac33_set_nsample(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec); - int ret = 0; - - if (dac33->nsample == ucontrol->value.integer.value[0]) - return 0; - - if (ucontrol->value.integer.value[0] < dac33->nsample_min || - ucontrol->value.integer.value[0] > dac33->nsample_max) { - ret = -EINVAL; - } else { - dac33->nsample = ucontrol->value.integer.value[0]; - /* Re calculate the burst time */ - dac33->mode1_us_burst = SAMPLES_TO_US(dac33->burst_rate, - dac33->nsample); - } - - return ret; -} - static int dac33_get_fifo_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec); ucontrol->value.integer.value[0] = dac33->fifo_mode; @@ -456,14 +453,14 @@ static int dac33_get_fifo_mode(struct snd_kcontrol *kcontrol, static int dac33_set_fifo_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec); int ret = 0; if (dac33->fifo_mode == ucontrol->value.integer.value[0]) return 0; /* Do not allow changes while stream is running*/ - if (codec->active) + if (snd_soc_codec_is_active(codec)) return -EPERM; if (ucontrol->value.integer.value[0] < 0 || @@ -480,9 +477,21 @@ static const char *dac33_fifo_mode_texts[] = { "Bypass", "Mode 1", "Mode 7" }; -static const struct soc_enum dac33_fifo_mode_enum = - SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(dac33_fifo_mode_texts), - dac33_fifo_mode_texts); +static SOC_ENUM_SINGLE_EXT_DECL(dac33_fifo_mode_enum, dac33_fifo_mode_texts); + +/* L/R Line Output Gain */ +static const char *lr_lineout_gain_texts[] = { + "Line -12dB DAC 0dB", "Line -6dB DAC 6dB", + "Line 0dB DAC 12dB", "Line 6dB DAC 18dB", +}; + +static SOC_ENUM_SINGLE_DECL(l_lineout_gain_enum, + DAC33_LDAC_PWR_CTRL, 0, + lr_lineout_gain_texts); + +static SOC_ENUM_SINGLE_DECL(r_lineout_gain_enum, + DAC33_RDAC_PWR_CTRL, 0, + lr_lineout_gain_texts); /* * DACL/R digital volume control: @@ -501,11 +510,11 @@ static const struct snd_kcontrol_new dac33_snd_controls[] = { DAC33_LDAC_DIG_VOL_CTRL, DAC33_RDAC_DIG_VOL_CTRL, 7, 1, 1), SOC_DOUBLE_R("Line to Line Out Volume", DAC33_LINEL_TO_LLO_VOL, DAC33_LINER_TO_RLO_VOL, 0, 127, 1), + SOC_ENUM("Left Line Output Gain", l_lineout_gain_enum), + SOC_ENUM("Right Line Output Gain", r_lineout_gain_enum), }; -static const struct snd_kcontrol_new dac33_nsample_snd_controls[] = { - SOC_SINGLE_EXT("nSample", 0, 0, 5900, 0, - dac33_get_nsample, dac33_set_nsample), +static const struct snd_kcontrol_new dac33_mode_snd_controls[] = { SOC_ENUM_EXT("FIFO Mode", dac33_fifo_mode_enum, dac33_get_fifo_mode, dac33_set_fifo_mode), }; @@ -517,6 +526,23 @@ static const struct snd_kcontrol_new dac33_dapm_abypassl_control = static const struct snd_kcontrol_new dac33_dapm_abypassr_control = SOC_DAPM_SINGLE("Switch", DAC33_LINER_TO_RLO_VOL, 7, 1, 1); +/* LOP L/R invert selection */ +static const char *dac33_lr_lom_texts[] = {"DAC", "LOP"}; + +static SOC_ENUM_SINGLE_DECL(dac33_left_lom_enum, + DAC33_OUT_AMP_CTRL, 3, + dac33_lr_lom_texts); + +static const struct snd_kcontrol_new dac33_dapm_left_lom_control = +SOC_DAPM_ENUM("Route", dac33_left_lom_enum); + +static SOC_ENUM_SINGLE_DECL(dac33_right_lom_enum, + DAC33_OUT_AMP_CTRL, 2, + dac33_lr_lom_texts); + +static const struct snd_kcontrol_new dac33_dapm_right_lom_control = +SOC_DAPM_ENUM("Route", dac33_right_lom_enum); + static const struct snd_soc_dapm_widget dac33_dapm_widgets[] = { SND_SOC_DAPM_OUTPUT("LEFT_LO"), SND_SOC_DAPM_OUTPUT("RIGHT_LO"), @@ -524,8 +550,8 @@ static const struct snd_soc_dapm_widget dac33_dapm_widgets[] = { SND_SOC_DAPM_INPUT("LINEL"), SND_SOC_DAPM_INPUT("LINER"), - SND_SOC_DAPM_DAC("DACL", "Left Playback", DAC33_LDAC_PWR_CTRL, 2, 0), - SND_SOC_DAPM_DAC("DACR", "Right Playback", DAC33_RDAC_PWR_CTRL, 2, 0), + SND_SOC_DAPM_DAC("DACL", "Left Playback", SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_DAC("DACR", "Right Playback", SND_SOC_NOPM, 0, 0), /* Analog bypass */ SND_SOC_DAPM_SWITCH("Analog Left Bypass", SND_SOC_NOPM, 0, 0, @@ -533,12 +559,33 @@ static const struct snd_soc_dapm_widget dac33_dapm_widgets[] = { SND_SOC_DAPM_SWITCH("Analog Right Bypass", SND_SOC_NOPM, 0, 0, &dac33_dapm_abypassr_control), - SND_SOC_DAPM_REG(snd_soc_dapm_mixer, "Output Left Amp Power", + SND_SOC_DAPM_MUX("Left LOM Inverted From", SND_SOC_NOPM, 0, 0, + &dac33_dapm_left_lom_control), + SND_SOC_DAPM_MUX("Right LOM Inverted From", SND_SOC_NOPM, 0, 0, + &dac33_dapm_right_lom_control), + /* + * For DAPM path, when only the anlog bypass path is enabled, and the + * LOP inverted from the corresponding DAC side. + * This is needed, so we can attach the DAC power supply in this case. + */ + SND_SOC_DAPM_PGA("Left Bypass PGA", SND_SOC_NOPM, 0, 0, NULL, 0), + SND_SOC_DAPM_PGA("Right Bypass PGA", SND_SOC_NOPM, 0, 0, NULL, 0), + + SND_SOC_DAPM_REG(snd_soc_dapm_mixer, "Output Left Amplifier", DAC33_OUT_AMP_PWR_CTRL, 6, 3, 3, 0), - SND_SOC_DAPM_REG(snd_soc_dapm_mixer, "Output Right Amp Power", + SND_SOC_DAPM_REG(snd_soc_dapm_mixer, "Output Right Amplifier", DAC33_OUT_AMP_PWR_CTRL, 4, 3, 3, 0), - SND_SOC_DAPM_PRE("Prepare Playback", playback_event), + SND_SOC_DAPM_SUPPLY("Left DAC Power", + DAC33_LDAC_PWR_CTRL, 2, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("Right DAC Power", + DAC33_RDAC_PWR_CTRL, 2, 0, NULL, 0), + + SND_SOC_DAPM_SUPPLY("Codec Power", + DAC33_PWR_CTRL, 4, 0, NULL, 0), + + SND_SOC_DAPM_PRE("Pre Playback", dac33_playback_event), + SND_SOC_DAPM_POST("Post Playback", dac33_playback_event), }; static const struct snd_soc_dapm_route audio_map[] = { @@ -546,27 +593,33 @@ static const struct snd_soc_dapm_route audio_map[] = { {"Analog Left Bypass", "Switch", "LINEL"}, {"Analog Right Bypass", "Switch", "LINER"}, - {"Output Left Amp Power", NULL, "DACL"}, - {"Output Right Amp Power", NULL, "DACR"}, + {"Output Left Amplifier", NULL, "DACL"}, + {"Output Right Amplifier", NULL, "DACR"}, - {"Output Left Amp Power", NULL, "Analog Left Bypass"}, - {"Output Right Amp Power", NULL, "Analog Right Bypass"}, + {"Left Bypass PGA", NULL, "Analog Left Bypass"}, + {"Right Bypass PGA", NULL, "Analog Right Bypass"}, - /* output */ - {"LEFT_LO", NULL, "Output Left Amp Power"}, - {"RIGHT_LO", NULL, "Output Right Amp Power"}, -}; + {"Left LOM Inverted From", "DAC", "Left Bypass PGA"}, + {"Right LOM Inverted From", "DAC", "Right Bypass PGA"}, + {"Left LOM Inverted From", "LOP", "Analog Left Bypass"}, + {"Right LOM Inverted From", "LOP", "Analog Right Bypass"}, -static int dac33_add_widgets(struct snd_soc_codec *codec) -{ - snd_soc_dapm_new_controls(codec, dac33_dapm_widgets, - ARRAY_SIZE(dac33_dapm_widgets)); + {"Output Left Amplifier", NULL, "Left LOM Inverted From"}, + {"Output Right Amplifier", NULL, "Right LOM Inverted From"}, - /* set up audio path interconnects */ - snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); + {"DACL", NULL, "Left DAC Power"}, + {"DACR", NULL, "Right DAC Power"}, - return 0; -} + {"Left Bypass PGA", NULL, "Left DAC Power"}, + {"Right Bypass PGA", NULL, "Right DAC Power"}, + + /* output */ + {"LEFT_LO", NULL, "Output Left Amplifier"}, + {"RIGHT_LO", NULL, "Output Right Amplifier"}, + + {"LEFT_LO", NULL, "Codec Power"}, + {"RIGHT_LO", NULL, "Codec Power"}, +}; static int dac33_set_bias_level(struct snd_soc_codec *codec, enum snd_soc_bias_level level) @@ -575,12 +628,11 @@ static int dac33_set_bias_level(struct snd_soc_codec *codec, switch (level) { case SND_SOC_BIAS_ON: - dac33_soft_power(codec, 1); break; case SND_SOC_BIAS_PREPARE: break; case SND_SOC_BIAS_STANDBY: - if (codec->bias_level == SND_SOC_BIAS_OFF) { + if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { /* Coming from OFF, switch on the codec */ ret = dac33_hard_power(codec, 1); if (ret != 0) @@ -591,52 +643,53 @@ static int dac33_set_bias_level(struct snd_soc_codec *codec, break; case SND_SOC_BIAS_OFF: /* Do not power off, when the codec is already off */ - if (codec->bias_level == SND_SOC_BIAS_OFF) + if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) return 0; ret = dac33_hard_power(codec, 0); if (ret != 0) return ret; break; } - codec->bias_level = level; + codec->dapm.bias_level = level; return 0; } static inline void dac33_prefill_handler(struct tlv320dac33_priv *dac33) { - struct snd_soc_codec *codec; - - codec = &dac33->codec; + struct snd_soc_codec *codec = dac33->codec; + unsigned int delay; + unsigned long flags; switch (dac33->fifo_mode) { case DAC33_FIFO_MODE1: dac33_write16(codec, DAC33_NSAMPLE_MSB, - DAC33_THRREG(dac33->nsample + dac33->alarm_threshold)); + DAC33_THRREG(dac33->nsample)); /* Take the timestamps */ - spin_lock_irq(&dac33->lock); + spin_lock_irqsave(&dac33->lock, flags); dac33->t_stamp2 = ktime_to_us(ktime_get()); dac33->t_stamp1 = dac33->t_stamp2; - spin_unlock_irq(&dac33->lock); + spin_unlock_irqrestore(&dac33->lock, flags); dac33_write16(codec, DAC33_PREFILL_MSB, DAC33_THRREG(dac33->alarm_threshold)); /* Enable Alarm Threshold IRQ with a delay */ - udelay(SAMPLES_TO_US(dac33->burst_rate, - dac33->alarm_threshold)); + delay = SAMPLES_TO_US(dac33->burst_rate, + dac33->alarm_threshold) + 1000; + usleep_range(delay, delay + 500); dac33_write(codec, DAC33_FIFO_IRQ_MASK, DAC33_MAT); break; case DAC33_FIFO_MODE7: /* Take the timestamp */ - spin_lock_irq(&dac33->lock); + spin_lock_irqsave(&dac33->lock, flags); dac33->t_stamp1 = ktime_to_us(ktime_get()); /* Move back the timestamp with drain time */ dac33->t_stamp1 -= dac33->mode7_us_to_lthr; - spin_unlock_irq(&dac33->lock); + spin_unlock_irqrestore(&dac33->lock, flags); dac33_write16(codec, DAC33_PREFILL_MSB, - DAC33_THRREG(MODE7_LTHR)); + DAC33_THRREG(DAC33_MODE7_MARGIN)); /* Enable Upper Threshold IRQ */ dac33_write(codec, DAC33_FIFO_IRQ_MASK, DAC33_MUT); @@ -650,16 +703,15 @@ static inline void dac33_prefill_handler(struct tlv320dac33_priv *dac33) static inline void dac33_playback_handler(struct tlv320dac33_priv *dac33) { - struct snd_soc_codec *codec; - - codec = &dac33->codec; + struct snd_soc_codec *codec = dac33->codec; + unsigned long flags; switch (dac33->fifo_mode) { case DAC33_FIFO_MODE1: /* Take the timestamp */ - spin_lock_irq(&dac33->lock); + spin_lock_irqsave(&dac33->lock, flags); dac33->t_stamp2 = ktime_to_us(ktime_get()); - spin_unlock_irq(&dac33->lock); + spin_unlock_irqrestore(&dac33->lock, flags); dac33_write16(codec, DAC33_NSAMPLE_MSB, DAC33_THRREG(dac33->nsample)); @@ -681,7 +733,7 @@ static void dac33_work(struct work_struct *work) u8 reg; dac33 = container_of(work, struct tlv320dac33_priv, work); - codec = &dac33->codec; + codec = dac33->codec; mutex_lock(&dac33->mutex); switch (dac33->state) { @@ -712,10 +764,11 @@ static irqreturn_t dac33_interrupt_handler(int irq, void *dev) { struct snd_soc_codec *codec = dev; struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec); + unsigned long flags; - spin_lock(&dac33->lock); + spin_lock_irqsave(&dac33->lock, flags); dac33->t_stamp1 = ktime_to_us(ktime_get()); - spin_unlock(&dac33->lock); + spin_unlock_irqrestore(&dac33->lock, flags); /* Do not schedule the workqueue in Mode7 */ if (dac33->fifo_mode != DAC33_FIFO_MODE7) @@ -726,11 +779,11 @@ static irqreturn_t dac33_interrupt_handler(int irq, void *dev) static void dac33_oscwait(struct snd_soc_codec *codec) { - int timeout = 20; + int timeout = 60; u8 reg; do { - msleep(1); + usleep_range(1000, 2000); dac33_read(codec, DAC33_INT_OSC_STATUS, ®); } while (((reg & 0x03) != DAC33_OSCSTATUS_NORMAL) && timeout--); if ((reg & 0x03) != DAC33_OSCSTATUS_NORMAL) @@ -741,9 +794,7 @@ static void dac33_oscwait(struct snd_soc_codec *codec) static int dac33_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_device *socdev = rtd->socdev; - struct snd_soc_codec *codec = socdev->card->codec; + struct snd_soc_codec *codec = dai->codec; struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec); /* Stream started, save the substream pointer */ @@ -755,21 +806,20 @@ static int dac33_startup(struct snd_pcm_substream *substream, static void dac33_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_device *socdev = rtd->socdev; - struct snd_soc_codec *codec = socdev->card->codec; + struct snd_soc_codec *codec = dai->codec; struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec); dac33->substream = NULL; } +#define CALC_BURST_RATE(bclkdiv, bclk_per_sample) \ + (BURST_BASEFREQ_HZ / bclkdiv / bclk_per_sample) static int dac33_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_device *socdev = rtd->socdev; - struct snd_soc_codec *codec = socdev->card->codec; + struct snd_soc_codec *codec = dai->codec; + struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec); /* Check parameters for validity */ switch (params_rate(params)) { @@ -784,6 +834,12 @@ static int dac33_hw_params(struct snd_pcm_substream *substream, switch (params_format(params)) { case SNDRV_PCM_FORMAT_S16_LE: + dac33->fifo_size = DAC33_FIFO_SIZE_16BIT; + dac33->burst_rate = CALC_BURST_RATE(dac33->burst_bclkdiv, 32); + break; + case SNDRV_PCM_FORMAT_S32_LE: + dac33->fifo_size = DAC33_FIFO_SIZE_24BIT; + dac33->burst_rate = CALC_BURST_RATE(dac33->burst_bclkdiv, 64); break; default: dev_err(codec->dev, "unsupported format %d\n", @@ -804,11 +860,9 @@ static int dac33_hw_params(struct snd_pcm_substream *substream, * writes happens in different order, than dac33 might end up in unknown state. * Use the known, working sequence of register writes to initialize the dac33. */ -static int dac33_prepare_chip(struct snd_pcm_substream *substream) +static int dac33_prepare_chip(struct snd_pcm_substream *substream, + struct snd_soc_codec *codec) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_device *socdev = rtd->socdev; - struct snd_soc_codec *codec = socdev->card->codec; struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec); unsigned int oscset, ratioset, pwr_ctrl, reg_tmp; u8 aictrl_a, aictrl_b, fifoctrl_a; @@ -839,6 +893,9 @@ static int dac33_prepare_chip(struct snd_pcm_substream *substream) aictrl_a |= (DAC33_NCYCL_16 | DAC33_WLEN_16); fifoctrl_a |= DAC33_WIDTH; break; + case SNDRV_PCM_FORMAT_S32_LE: + aictrl_a |= (DAC33_NCYCL_32 | DAC33_WLEN_24); + break; default: dev_err(codec->dev, "unsupported format %d\n", substream->runtime->format); @@ -865,8 +922,8 @@ static int dac33_prepare_chip(struct snd_pcm_substream *substream) /* Write registers 0x08 and 0x09 (MSB, LSB) */ dac33_write16(codec, DAC33_INT_OSC_FREQ_RAT_A, oscset); - /* calib time: 128 is a nice number ;) */ - dac33_write(codec, DAC33_CALIB_TIME, 128); + /* OSC calibration time */ + dac33_write(codec, DAC33_CALIB_TIME, 96); /* adjustment treshold & step */ dac33_write(codec, DAC33_INT_OSC_CTRL_B, DAC33_ADJTHRSHLD(2) | @@ -949,7 +1006,7 @@ static int dac33_prepare_chip(struct snd_pcm_substream *substream) /* * For FIFO bypass mode: * Enable the FIFO bypass (Disable the FIFO use) - * Set the BCLK as continous + * Set the BCLK as continuous */ fifoctrl_a |= DAC33_FBYPAS; aictrl_b |= DAC33_BCLKON; @@ -973,7 +1030,10 @@ static int dac33_prepare_chip(struct snd_pcm_substream *substream) dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_C, dac33->burst_bclkdiv); else - dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_C, 32); + if (substream->runtime->format == SNDRV_PCM_FORMAT_S16_LE) + dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_C, 32); + else + dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_C, 16); switch (dac33->fifo_mode) { case DAC33_FIFO_MODE1: @@ -985,8 +1045,9 @@ static int dac33_prepare_chip(struct snd_pcm_substream *substream) * Configure the threshold levels, and leave 10 sample space * at the bottom, and also at the top of the FIFO */ - dac33_write16(codec, DAC33_UTHR_MSB, DAC33_THRREG(MODE7_UTHR)); - dac33_write16(codec, DAC33_LTHR_MSB, DAC33_THRREG(MODE7_LTHR)); + dac33_write16(codec, DAC33_UTHR_MSB, DAC33_THRREG(dac33->uthr)); + dac33_write16(codec, DAC33_LTHR_MSB, + DAC33_THRREG(DAC33_MODE7_MARGIN)); break; default: break; @@ -997,63 +1058,55 @@ static int dac33_prepare_chip(struct snd_pcm_substream *substream) return 0; } -static void dac33_calculate_times(struct snd_pcm_substream *substream) +static void dac33_calculate_times(struct snd_pcm_substream *substream, + struct snd_soc_codec *codec) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_device *socdev = rtd->socdev; - struct snd_soc_codec *codec = socdev->card->codec; struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec); + unsigned int period_size = substream->runtime->period_size; + unsigned int rate = substream->runtime->rate; unsigned int nsample_limit; /* In bypass mode we don't need to calculate */ if (!dac33->fifo_mode) return; - /* Number of samples (16bit, stereo) in one period */ - dac33->nsample_min = snd_pcm_lib_period_bytes(substream) / 4; - - /* Number of samples (16bit, stereo) in ALSA buffer */ - dac33->nsample_max = snd_pcm_lib_buffer_bytes(substream) / 4; - /* Subtract one period from the total */ - dac33->nsample_max -= dac33->nsample_min; - - /* Number of samples for LATENCY_TIME_MS / 2 */ - dac33->alarm_threshold = substream->runtime->rate / - (1000 / (LATENCY_TIME_MS / 2)); - - /* Find and fix up the lowest nsmaple limit */ - nsample_limit = substream->runtime->rate / (1000 / LATENCY_TIME_MS); - - if (dac33->nsample_min < nsample_limit) - dac33->nsample_min = nsample_limit; - - if (dac33->nsample < dac33->nsample_min) - dac33->nsample = dac33->nsample_min; - - /* - * Find and fix up the highest nsmaple limit - * In order to not overflow the DAC33 buffer substract the - * alarm_threshold value from the size of the DAC33 buffer - */ - nsample_limit = DAC33_BUFFER_SIZE_SAMPLES - dac33->alarm_threshold; - - if (dac33->nsample_max > nsample_limit) - dac33->nsample_max = nsample_limit; - - if (dac33->nsample > dac33->nsample_max) - dac33->nsample = dac33->nsample_max; - switch (dac33->fifo_mode) { case DAC33_FIFO_MODE1: + /* Number of samples under i2c latency */ + dac33->alarm_threshold = US_TO_SAMPLES(rate, + dac33->mode1_latency); + nsample_limit = dac33->fifo_size - dac33->alarm_threshold; + + if (period_size <= dac33->alarm_threshold) + /* + * Configure nSamaple to number of periods, + * which covers the latency requironment. + */ + dac33->nsample = period_size * + ((dac33->alarm_threshold / period_size) + + (dac33->alarm_threshold % period_size ? + 1 : 0)); + else if (period_size > nsample_limit) + dac33->nsample = nsample_limit; + else + dac33->nsample = period_size; + dac33->mode1_us_burst = SAMPLES_TO_US(dac33->burst_rate, dac33->nsample); dac33->t_stamp1 = 0; dac33->t_stamp2 = 0; break; case DAC33_FIFO_MODE7: + dac33->uthr = UTHR_FROM_PERIOD_SIZE(period_size, rate, + dac33->burst_rate) + 9; + if (dac33->uthr > (dac33->fifo_size - DAC33_MODE7_MARGIN)) + dac33->uthr = dac33->fifo_size - DAC33_MODE7_MARGIN; + if (dac33->uthr < (DAC33_MODE7_MARGIN + 10)) + dac33->uthr = (DAC33_MODE7_MARGIN + 10); + dac33->mode7_us_to_lthr = - SAMPLES_TO_US(substream->runtime->rate, - MODE7_UTHR - MODE7_LTHR + 1); + SAMPLES_TO_US(substream->runtime->rate, + dac33->uthr - DAC33_MODE7_MARGIN + 1); dac33->t_stamp1 = 0; break; default: @@ -1065,9 +1118,7 @@ static void dac33_calculate_times(struct snd_pcm_substream *substream) static int dac33_pcm_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_device *socdev = rtd->socdev; - struct snd_soc_codec *codec = socdev->card->codec; + struct snd_soc_codec *codec = dai->codec; struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec); int ret = 0; @@ -1099,23 +1150,22 @@ static snd_pcm_sframes_t dac33_dai_delay( struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_device *socdev = rtd->socdev; - struct snd_soc_codec *codec = socdev->card->codec; + struct snd_soc_codec *codec = dai->codec; struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec); unsigned long long t0, t1, t_now; - unsigned int time_delta; + unsigned int time_delta, uthr; int samples_out, samples_in, samples; snd_pcm_sframes_t delay = 0; + unsigned long flags; switch (dac33->fifo_mode) { case DAC33_FIFO_BYPASS: break; case DAC33_FIFO_MODE1: - spin_lock(&dac33->lock); + spin_lock_irqsave(&dac33->lock, flags); t0 = dac33->t_stamp1; t1 = dac33->t_stamp2; - spin_unlock(&dac33->lock); + spin_unlock_irqrestore(&dac33->lock, flags); t_now = ktime_to_us(ktime_get()); /* We have not started to fill the FIFO yet, delay is 0 */ @@ -1173,16 +1223,17 @@ static snd_pcm_sframes_t dac33_dai_delay( samples += (samples_in - samples_out); if (likely(samples > 0)) - delay = samples > DAC33_BUFFER_SIZE_SAMPLES ? - DAC33_BUFFER_SIZE_SAMPLES : samples; + delay = samples > dac33->fifo_size ? + dac33->fifo_size : samples; else delay = 0; } break; case DAC33_FIFO_MODE7: - spin_lock(&dac33->lock); + spin_lock_irqsave(&dac33->lock, flags); t0 = dac33->t_stamp1; - spin_unlock(&dac33->lock); + uthr = dac33->uthr; + spin_unlock_irqrestore(&dac33->lock, flags); t_now = ktime_to_us(ktime_get()); /* We have not started to fill the FIFO yet, delay is 0 */ @@ -1194,7 +1245,7 @@ static snd_pcm_sframes_t dac33_dai_delay( * Either the timestamps are messed or equal. Report * maximum delay */ - delay = MODE7_UTHR; + delay = uthr; goto out; } @@ -1208,8 +1259,8 @@ static snd_pcm_sframes_t dac33_dai_delay( substream->runtime->rate, time_delta); - if (likely(MODE7_UTHR > samples_out)) - delay = MODE7_UTHR - samples_out; + if (likely(uthr > samples_out)) + delay = uthr - samples_out; else delay = 0; } else { @@ -1225,10 +1276,10 @@ static snd_pcm_sframes_t dac33_dai_delay( samples_in = US_TO_SAMPLES( dac33->burst_rate, time_delta); - delay = MODE7_LTHR + samples_in - samples_out; + delay = DAC33_MODE7_MARGIN + samples_in - samples_out; - if (unlikely(delay > MODE7_UTHR)) - delay = MODE7_UTHR; + if (unlikely(delay > uthr)) + delay = uthr; } break; default: @@ -1325,88 +1376,99 @@ static int dac33_set_dai_fmt(struct snd_soc_dai *codec_dai, return 0; } -static int dac33_soc_probe(struct platform_device *pdev) +static int dac33_soc_probe(struct snd_soc_codec *codec) { - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec; - struct tlv320dac33_priv *dac33; + struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec); int ret = 0; - BUG_ON(!tlv320dac33_codec); + codec->control_data = dac33->control_data; + codec->hw_write = (hw_write_t) i2c_master_send; + dac33->codec = codec; - codec = tlv320dac33_codec; - socdev->card->codec = codec; - dac33 = snd_soc_codec_get_drvdata(codec); + /* Read the tlv320dac33 ID registers */ + ret = dac33_hard_power(codec, 1); + if (ret != 0) { + dev_err(codec->dev, "Failed to power up codec: %d\n", ret); + goto err_power; + } + ret = dac33_read_id(codec); + dac33_hard_power(codec, 0); - /* register pcms */ - ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); if (ret < 0) { - dev_err(codec->dev, "failed to create pcms\n"); - goto pcm_err; + dev_err(codec->dev, "Failed to read chip ID: %d\n", ret); + ret = -ENODEV; + goto err_power; } - snd_soc_add_controls(codec, dac33_snd_controls, - ARRAY_SIZE(dac33_snd_controls)); - /* Only add the nSample controls, if we have valid IRQ number */ - if (dac33->irq >= 0) - snd_soc_add_controls(codec, dac33_nsample_snd_controls, - ARRAY_SIZE(dac33_nsample_snd_controls)); + /* Check if the IRQ number is valid and request it */ + if (dac33->irq >= 0) { + ret = request_irq(dac33->irq, dac33_interrupt_handler, + IRQF_TRIGGER_RISING, + codec->name, codec); + if (ret < 0) { + dev_err(codec->dev, "Could not request IRQ%d (%d)\n", + dac33->irq, ret); + dac33->irq = -1; + } + if (dac33->irq != -1) { + /* Setup work queue */ + dac33->dac33_wq = + create_singlethread_workqueue("tlv320dac33"); + if (dac33->dac33_wq == NULL) { + free_irq(dac33->irq, codec); + return -ENOMEM; + } - dac33_add_widgets(codec); + INIT_WORK(&dac33->work, dac33_work); + } + } - return 0; + /* Only add the FIFO controls, if we have valid IRQ number */ + if (dac33->irq >= 0) + snd_soc_add_codec_controls(codec, dac33_mode_snd_controls, + ARRAY_SIZE(dac33_mode_snd_controls)); -pcm_err: - dac33_hard_power(codec, 0); +err_power: return ret; } -static int dac33_soc_remove(struct platform_device *pdev) -{ - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec = socdev->card->codec; - - dac33_set_bias_level(codec, SND_SOC_BIAS_OFF); - - snd_soc_free_pcms(socdev); - snd_soc_dapm_free(socdev); - - return 0; -} - -static int dac33_soc_suspend(struct platform_device *pdev, pm_message_t state) +static int dac33_soc_remove(struct snd_soc_codec *codec) { - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec = socdev->card->codec; + struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec); dac33_set_bias_level(codec, SND_SOC_BIAS_OFF); + if (dac33->irq >= 0) { + free_irq(dac33->irq, dac33->codec); + destroy_workqueue(dac33->dac33_wq); + } return 0; } -static int dac33_soc_resume(struct platform_device *pdev) -{ - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec = socdev->card->codec; - - dac33_set_bias_level(codec, SND_SOC_BIAS_STANDBY); - - return 0; -} - -struct snd_soc_codec_device soc_codec_dev_tlv320dac33 = { +static struct snd_soc_codec_driver soc_codec_dev_tlv320dac33 = { + .read = dac33_read_reg_cache, + .write = dac33_write_locked, + .set_bias_level = dac33_set_bias_level, + .idle_bias_off = true, + .reg_cache_size = ARRAY_SIZE(dac33_reg), + .reg_word_size = sizeof(u8), + .reg_cache_default = dac33_reg, .probe = dac33_soc_probe, .remove = dac33_soc_remove, - .suspend = dac33_soc_suspend, - .resume = dac33_soc_resume, + + .controls = dac33_snd_controls, + .num_controls = ARRAY_SIZE(dac33_snd_controls), + .dapm_widgets = dac33_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(dac33_dapm_widgets), + .dapm_routes = audio_map, + .num_dapm_routes = ARRAY_SIZE(audio_map), }; -EXPORT_SYMBOL_GPL(soc_codec_dev_tlv320dac33); #define DAC33_RATES (SNDRV_PCM_RATE_44100 | \ SNDRV_PCM_RATE_48000) -#define DAC33_FORMATS SNDRV_PCM_FMTBIT_S16_LE +#define DAC33_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE) -static struct snd_soc_dai_ops dac33_dai_ops = { +static const struct snd_soc_dai_ops dac33_dai_ops = { .startup = dac33_startup, .shutdown = dac33_shutdown, .hw_params = dac33_hw_params, @@ -1416,24 +1478,24 @@ static struct snd_soc_dai_ops dac33_dai_ops = { .set_fmt = dac33_set_dai_fmt, }; -struct snd_soc_dai dac33_dai = { - .name = "tlv320dac33", +static struct snd_soc_dai_driver dac33_dai = { + .name = "tlv320dac33-hifi", .playback = { .stream_name = "Playback", .channels_min = 2, .channels_max = 2, .rates = DAC33_RATES, - .formats = DAC33_FORMATS,}, + .formats = DAC33_FORMATS, + .sig_bits = 24, + }, .ops = &dac33_dai_ops, }; -EXPORT_SYMBOL_GPL(dac33_dai); -static int __devinit dac33_i2c_probe(struct i2c_client *client, - const struct i2c_device_id *id) +static int dac33_i2c_probe(struct i2c_client *client, + const struct i2c_device_id *id) { struct tlv320dac33_platform_data *pdata; struct tlv320dac33_priv *dac33; - struct snd_soc_codec *codec; int ret, i; if (client->dev.platform_data == NULL) { @@ -1442,171 +1504,74 @@ static int __devinit dac33_i2c_probe(struct i2c_client *client, } pdata = client->dev.platform_data; - dac33 = kzalloc(sizeof(struct tlv320dac33_priv), GFP_KERNEL); + dac33 = devm_kzalloc(&client->dev, sizeof(struct tlv320dac33_priv), + GFP_KERNEL); if (dac33 == NULL) return -ENOMEM; - codec = &dac33->codec; - snd_soc_codec_set_drvdata(codec, dac33); - codec->control_data = client; - - mutex_init(&codec->mutex); + dac33->control_data = client; mutex_init(&dac33->mutex); spin_lock_init(&dac33->lock); - INIT_LIST_HEAD(&codec->dapm_widgets); - INIT_LIST_HEAD(&codec->dapm_paths); - - codec->name = "tlv320dac33"; - codec->owner = THIS_MODULE; - codec->read = dac33_read_reg_cache; - codec->write = dac33_write_locked; - codec->hw_write = (hw_write_t) i2c_master_send; - codec->bias_level = SND_SOC_BIAS_OFF; - codec->set_bias_level = dac33_set_bias_level; - codec->idle_bias_off = 1; - codec->dai = &dac33_dai; - codec->num_dai = 1; - codec->reg_cache_size = ARRAY_SIZE(dac33_reg); - codec->reg_cache = kmemdup(dac33_reg, ARRAY_SIZE(dac33_reg), - GFP_KERNEL); - if (codec->reg_cache == NULL) { - ret = -ENOMEM; - goto error_reg; - } i2c_set_clientdata(client, dac33); dac33->power_gpio = pdata->power_gpio; dac33->burst_bclkdiv = pdata->burst_bclkdiv; - /* Pre calculate the burst rate */ - dac33->burst_rate = BURST_BASEFREQ_HZ / dac33->burst_bclkdiv / 32; dac33->keep_bclk = pdata->keep_bclk; + dac33->mode1_latency = pdata->mode1_latency; + if (!dac33->mode1_latency) + dac33->mode1_latency = 10000; /* 10ms */ dac33->irq = client->irq; - dac33->nsample = NSAMPLE_MAX; - dac33->nsample_max = NSAMPLE_MAX; /* Disable FIFO use by default */ dac33->fifo_mode = DAC33_FIFO_BYPASS; - tlv320dac33_codec = codec; - - codec->dev = &client->dev; - dac33_dai.dev = codec->dev; - /* Check if the reset GPIO number is valid and request it */ if (dac33->power_gpio >= 0) { ret = gpio_request(dac33->power_gpio, "tlv320dac33 reset"); if (ret < 0) { - dev_err(codec->dev, + dev_err(&client->dev, "Failed to request reset GPIO (%d)\n", dac33->power_gpio); - snd_soc_unregister_dai(&dac33_dai); - snd_soc_unregister_codec(codec); - goto error_gpio; + goto err_gpio; } gpio_direction_output(dac33->power_gpio, 0); } - /* Check if the IRQ number is valid and request it */ - if (dac33->irq >= 0) { - ret = request_irq(dac33->irq, dac33_interrupt_handler, - IRQF_TRIGGER_RISING | IRQF_DISABLED, - codec->name, codec); - if (ret < 0) { - dev_err(codec->dev, "Could not request IRQ%d (%d)\n", - dac33->irq, ret); - dac33->irq = -1; - } - if (dac33->irq != -1) { - /* Setup work queue */ - dac33->dac33_wq = - create_singlethread_workqueue("tlv320dac33"); - if (dac33->dac33_wq == NULL) { - free_irq(dac33->irq, &dac33->codec); - ret = -ENOMEM; - goto error_wq; - } - - INIT_WORK(&dac33->work, dac33_work); - } - } - for (i = 0; i < ARRAY_SIZE(dac33->supplies); i++) dac33->supplies[i].supply = dac33_supply_names[i]; - ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(dac33->supplies), + ret = devm_regulator_bulk_get(&client->dev, ARRAY_SIZE(dac33->supplies), dac33->supplies); if (ret != 0) { - dev_err(codec->dev, "Failed to request supplies: %d\n", ret); + dev_err(&client->dev, "Failed to request supplies: %d\n", ret); goto err_get; } - /* Read the tlv320dac33 ID registers */ - ret = dac33_hard_power(codec, 1); - if (ret != 0) { - dev_err(codec->dev, "Failed to power up codec: %d\n", ret); - goto error_codec; - } - dac33_read_id(codec); - dac33_hard_power(codec, 0); - - ret = snd_soc_register_codec(codec); - if (ret != 0) { - dev_err(codec->dev, "Failed to register codec: %d\n", ret); - goto error_codec; - } - - ret = snd_soc_register_dai(&dac33_dai); - if (ret != 0) { - dev_err(codec->dev, "Failed to register DAI: %d\n", ret); - snd_soc_unregister_codec(codec); - goto error_codec; - } + ret = snd_soc_register_codec(&client->dev, + &soc_codec_dev_tlv320dac33, &dac33_dai, 1); + if (ret < 0) + goto err_get; return ret; - -error_codec: - regulator_bulk_free(ARRAY_SIZE(dac33->supplies), dac33->supplies); err_get: - if (dac33->irq >= 0) { - free_irq(dac33->irq, &dac33->codec); - destroy_workqueue(dac33->dac33_wq); - } -error_wq: if (dac33->power_gpio >= 0) gpio_free(dac33->power_gpio); -error_gpio: - kfree(codec->reg_cache); -error_reg: - tlv320dac33_codec = NULL; - kfree(dac33); - +err_gpio: return ret; } -static int __devexit dac33_i2c_remove(struct i2c_client *client) +static int dac33_i2c_remove(struct i2c_client *client) { - struct tlv320dac33_priv *dac33; - - dac33 = i2c_get_clientdata(client); + struct tlv320dac33_priv *dac33 = i2c_get_clientdata(client); if (unlikely(dac33->chip_power)) - dac33_hard_power(&dac33->codec, 0); + dac33_hard_power(dac33->codec, 0); if (dac33->power_gpio >= 0) gpio_free(dac33->power_gpio); - if (dac33->irq >= 0) - free_irq(dac33->irq, &dac33->codec); - - regulator_bulk_free(ARRAY_SIZE(dac33->supplies), dac33->supplies); - - destroy_workqueue(dac33->dac33_wq); - snd_soc_unregister_dai(&dac33_dai); - snd_soc_unregister_codec(&dac33->codec); - kfree(dac33->codec.reg_cache); - kfree(dac33); - tlv320dac33_codec = NULL; + snd_soc_unregister_codec(&client->dev); return 0; } @@ -1617,36 +1582,20 @@ static const struct i2c_device_id tlv320dac33_i2c_id[] = { }, { }, }; +MODULE_DEVICE_TABLE(i2c, tlv320dac33_i2c_id); static struct i2c_driver tlv320dac33_i2c_driver = { .driver = { - .name = "tlv320dac33", + .name = "tlv320dac33-codec", .owner = THIS_MODULE, }, .probe = dac33_i2c_probe, - .remove = __devexit_p(dac33_i2c_remove), + .remove = dac33_i2c_remove, .id_table = tlv320dac33_i2c_id, }; -static int __init dac33_module_init(void) -{ - int r; - r = i2c_add_driver(&tlv320dac33_i2c_driver); - if (r < 0) { - printk(KERN_ERR "DAC33: driver registration failed\n"); - return r; - } - return 0; -} -module_init(dac33_module_init); - -static void __exit dac33_module_exit(void) -{ - i2c_del_driver(&tlv320dac33_i2c_driver); -} -module_exit(dac33_module_exit); - +module_i2c_driver(tlv320dac33_i2c_driver); MODULE_DESCRIPTION("ASoC TLV320DAC33 codec driver"); -MODULE_AUTHOR("Peter Ujfalusi <peter.ujfalusi@nokia.com>"); +MODULE_AUTHOR("Peter Ujfalusi <peter.ujfalusi@ti.com>"); MODULE_LICENSE("GPL"); |
