diff options
author | Takashi Iwai <tiwai@suse.de> | 2010-05-20 12:00:43 +0200 |
---|---|---|
committer | Takashi Iwai <tiwai@suse.de> | 2010-05-20 12:00:43 +0200 |
commit | d71f4cece4bd97d05592836202fc04ff2e7817e3 (patch) | |
tree | 6c877c7a938758b1323d9c97d46b9c536e618c69 /sound/soc/codecs/tlv320aic3x.c | |
parent | 19008bdacb9f7841166ebafe0aef361ee582ffbf (diff) | |
parent | ad8332c1302bcb4f80d593fd3eb477be9d7f5604 (diff) |
Merge branch 'topic/asoc' into for-linus
Conflicts:
sound/soc/codecs/ad1938.c
Diffstat (limited to 'sound/soc/codecs/tlv320aic3x.c')
-rw-r--r-- | sound/soc/codecs/tlv320aic3x.c | 118 |
1 files changed, 70 insertions, 48 deletions
diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c index 4a6d56c3fed9..71a69908ccf6 100644 --- a/sound/soc/codecs/tlv320aic3x.c +++ b/sound/soc/codecs/tlv320aic3x.c @@ -38,6 +38,8 @@ #include <linux/delay.h> #include <linux/pm.h> #include <linux/i2c.h> +#include <linux/gpio.h> +#include <linux/regulator/consumer.h> #include <linux/platform_device.h> #include <linux/slab.h> #include <sound/core.h> @@ -47,16 +49,25 @@ #include <sound/soc-dapm.h> #include <sound/initval.h> #include <sound/tlv.h> +#include <sound/tlv320aic3x.h> #include "tlv320aic3x.h" -#define AIC3X_VERSION "0.2" +#define AIC3X_NUM_SUPPLIES 4 +static const char *aic3x_supply_names[AIC3X_NUM_SUPPLIES] = { + "IOVDD", /* I/O Voltage */ + "DVDD", /* Digital Core Voltage */ + "AVDD", /* Analog DAC Voltage */ + "DRVDD", /* ADC Analog and Output Driver Voltage */ +}; /* codec private data */ struct aic3x_priv { struct snd_soc_codec codec; + struct regulator_bulk_data supplies[AIC3X_NUM_SUPPLIES]; unsigned int sysclk; int master; + int gpio_reset; }; /* @@ -764,7 +775,7 @@ static int aic3x_hw_params(struct snd_pcm_substream *substream, 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 aic3x_priv *aic3x = codec->private_data; + struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec); int codec_clk = 0, bypass_pll = 0, fsref, last_clk = 0; u8 data, j, r, p, pll_q, pll_p = 1, pll_r = 1, pll_j = 1; u16 d, pll_d = 1; @@ -931,7 +942,7 @@ static int aic3x_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 aic3x_priv *aic3x = codec->private_data; + struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec); aic3x->sysclk = freq; return 0; @@ -941,7 +952,7 @@ static int aic3x_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) { struct snd_soc_codec *codec = codec_dai->codec; - struct aic3x_priv *aic3x = codec->private_data; + struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec); u8 iface_areg, iface_breg; int delay = 0; @@ -995,12 +1006,13 @@ static int aic3x_set_dai_fmt(struct snd_soc_dai *codec_dai, static int aic3x_set_bias_level(struct snd_soc_codec *codec, enum snd_soc_bias_level level) { - struct aic3x_priv *aic3x = codec->private_data; + struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec); u8 reg; switch (level) { case SND_SOC_BIAS_ON: - /* all power is driven by DAPM system */ + break; + case SND_SOC_BIAS_PREPARE: if (aic3x->master) { /* enable pll */ reg = aic3x_read_reg_cache(codec, AIC3X_PLL_PROGA_REG); @@ -1008,48 +1020,9 @@ static int aic3x_set_bias_level(struct snd_soc_codec *codec, reg | PLL_ENABLE); } break; - case SND_SOC_BIAS_PREPARE: - break; case SND_SOC_BIAS_STANDBY: - /* - * all power is driven by DAPM system, - * so output power is safe if bypass was set - */ - if (aic3x->master) { - /* disable pll */ - reg = aic3x_read_reg_cache(codec, AIC3X_PLL_PROGA_REG); - aic3x_write(codec, AIC3X_PLL_PROGA_REG, - reg & ~PLL_ENABLE); - } - break; + /* fall through and disable pll */ case SND_SOC_BIAS_OFF: - /* force all power off */ - reg = aic3x_read_reg_cache(codec, LINE1L_2_LADC_CTRL); - aic3x_write(codec, LINE1L_2_LADC_CTRL, reg & ~LADC_PWR_ON); - reg = aic3x_read_reg_cache(codec, LINE1R_2_RADC_CTRL); - aic3x_write(codec, LINE1R_2_RADC_CTRL, reg & ~RADC_PWR_ON); - - reg = aic3x_read_reg_cache(codec, DAC_PWR); - aic3x_write(codec, DAC_PWR, reg & ~(LDAC_PWR_ON | RDAC_PWR_ON)); - - reg = aic3x_read_reg_cache(codec, HPLOUT_CTRL); - aic3x_write(codec, HPLOUT_CTRL, reg & ~HPLOUT_PWR_ON); - reg = aic3x_read_reg_cache(codec, HPROUT_CTRL); - aic3x_write(codec, HPROUT_CTRL, reg & ~HPROUT_PWR_ON); - - reg = aic3x_read_reg_cache(codec, HPLCOM_CTRL); - aic3x_write(codec, HPLCOM_CTRL, reg & ~HPLCOM_PWR_ON); - reg = aic3x_read_reg_cache(codec, HPRCOM_CTRL); - aic3x_write(codec, HPRCOM_CTRL, reg & ~HPRCOM_PWR_ON); - - reg = aic3x_read_reg_cache(codec, MONOLOPM_CTRL); - aic3x_write(codec, MONOLOPM_CTRL, reg & ~MONOLOPM_PWR_ON); - - reg = aic3x_read_reg_cache(codec, LLOPM_CTRL); - aic3x_write(codec, LLOPM_CTRL, reg & ~LLOPM_PWR_ON); - reg = aic3x_read_reg_cache(codec, RLOPM_CTRL); - aic3x_write(codec, RLOPM_CTRL, reg & ~RLOPM_PWR_ON); - if (aic3x->master) { /* disable pll */ reg = aic3x_read_reg_cache(codec, AIC3X_PLL_PROGA_REG); @@ -1171,7 +1144,7 @@ static int aic3x_resume(struct platform_device *pdev) codec->hw_write(codec->control_data, data, 2); } - aic3x_set_bias_level(codec, codec->suspend_bias_level); + aic3x_set_bias_level(codec, SND_SOC_BIAS_STANDBY); return 0; } @@ -1309,6 +1282,13 @@ static int aic3x_unregister(struct aic3x_priv *aic3x) snd_soc_unregister_dai(&aic3x_dai); snd_soc_unregister_codec(&aic3x->codec); + if (aic3x->gpio_reset >= 0) { + gpio_set_value(aic3x->gpio_reset, 0); + gpio_free(aic3x->gpio_reset); + } + regulator_bulk_disable(ARRAY_SIZE(aic3x->supplies), aic3x->supplies); + regulator_bulk_free(ARRAY_SIZE(aic3x->supplies), aic3x->supplies); + kfree(aic3x); aic3x_codec = NULL; @@ -1330,6 +1310,8 @@ static int aic3x_i2c_probe(struct i2c_client *i2c, { struct snd_soc_codec *codec; struct aic3x_priv *aic3x; + struct aic3x_pdata *pdata = i2c->dev.platform_data; + int ret, i; aic3x = kzalloc(sizeof(struct aic3x_priv), GFP_KERNEL); if (aic3x == NULL) { @@ -1339,13 +1321,53 @@ static int aic3x_i2c_probe(struct i2c_client *i2c, codec = &aic3x->codec; codec->dev = &i2c->dev; - codec->private_data = aic3x; + snd_soc_codec_set_drvdata(codec, aic3x); codec->control_data = i2c; codec->hw_write = (hw_write_t) i2c_master_send; i2c_set_clientdata(i2c, aic3x); + aic3x->gpio_reset = -1; + if (pdata && pdata->gpio_reset >= 0) { + ret = gpio_request(pdata->gpio_reset, "tlv320aic3x reset"); + if (ret != 0) + goto err_gpio; + aic3x->gpio_reset = pdata->gpio_reset; + gpio_direction_output(aic3x->gpio_reset, 0); + } + + for (i = 0; i < ARRAY_SIZE(aic3x->supplies); i++) + aic3x->supplies[i].supply = aic3x_supply_names[i]; + + ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(aic3x->supplies), + aic3x->supplies); + if (ret != 0) { + dev_err(codec->dev, "Failed to request supplies: %d\n", ret); + goto err_get; + } + + ret = regulator_bulk_enable(ARRAY_SIZE(aic3x->supplies), + aic3x->supplies); + if (ret != 0) { + dev_err(codec->dev, "Failed to enable supplies: %d\n", ret); + goto err_enable; + } + + if (aic3x->gpio_reset >= 0) { + udelay(1); + gpio_set_value(aic3x->gpio_reset, 1); + } + return aic3x_register(codec); + +err_enable: + regulator_bulk_free(ARRAY_SIZE(aic3x->supplies), aic3x->supplies); +err_get: + if (aic3x->gpio_reset >= 0) + gpio_free(aic3x->gpio_reset); +err_gpio: + kfree(aic3x); + return ret; } static int aic3x_i2c_remove(struct i2c_client *client) |