diff options
author | Michal Marek <mmarek@suse.cz> | 2010-12-14 22:01:55 +0100 |
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committer | Michal Marek <mmarek@suse.cz> | 2010-12-14 22:01:55 +0100 |
commit | 8990c1bc4be46473ad19bf2fa612ca57286f3df4 (patch) | |
tree | 3cea60576903a1d26c67e6ec62891b524d390e95 /sound/soc/codecs/da7210.c | |
parent | 2979076fbf17a0947d6eba367b0cac19c907c160 (diff) | |
parent | c8ddb2713c624f432fa5fe3c7ecffcdda46ea0d4 (diff) |
Merge commit 'v2.6.37-rc1' into kbuild/kbuild
Diffstat (limited to 'sound/soc/codecs/da7210.c')
-rw-r--r-- | sound/soc/codecs/da7210.c | 193 |
1 files changed, 59 insertions, 134 deletions
diff --git a/sound/soc/codecs/da7210.c b/sound/soc/codecs/da7210.c index 75af2d6e0e78..58bb9b994811 100644 --- a/sound/soc/codecs/da7210.c +++ b/sound/soc/codecs/da7210.c @@ -15,25 +15,15 @@ * option) any later version. */ -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/kernel.h> -#include <linux/init.h> #include <linux/delay.h> -#include <linux/pm.h> #include <linux/i2c.h> #include <linux/platform_device.h> #include <linux/slab.h> -#include <sound/core.h> #include <sound/pcm.h> #include <sound/pcm_params.h> -#include <sound/soc.h> #include <sound/soc-dapm.h> -#include <sound/tlv.h> #include <sound/initval.h> -#include <asm/div64.h> - -#include "da7210.h" +#include <sound/tlv.h> /* DA7210 register space */ #define DA7210_STATUS 0x02 @@ -145,13 +135,35 @@ #define DA7210_VERSION "0.0.1" +/* + * Playback Volume + * + * max : 0x3F (+15.0 dB) + * (1.5 dB step) + * min : 0x11 (-54.0 dB) + * mute : 0x10 + * reserved : 0x00 - 0x0F + * + * ** FIXME ** + * + * Reserved area are considered as "mute". + * -> min = -79.5 dB + */ +static const DECLARE_TLV_DB_SCALE(hp_out_tlv, -7950, 150, 1); + +static const struct snd_kcontrol_new da7210_snd_controls[] = { + + SOC_DOUBLE_R_TLV("HeadPhone Playback Volume", + DA7210_HP_L_VOL, DA7210_HP_R_VOL, + 0, 0x3F, 0, hp_out_tlv), +}; + /* Codec private data */ struct da7210_priv { - struct snd_soc_codec codec; + enum snd_soc_control_type control_type; + void *control_data; }; -static struct snd_soc_codec *da7210_codec; - /* * Register cache */ @@ -194,12 +206,12 @@ static int da7210_write(struct snd_soc_codec *codec, u32 reg, u32 value) u8 *cache = codec->reg_cache; u8 data[2]; - BUG_ON(codec->volatile_register); + BUG_ON(codec->driver->volatile_register); data[0] = reg & 0xff; data[1] = value & 0xff; - if (reg >= codec->reg_cache_size) + if (reg >= codec->driver->reg_cache_size) return -EIO; if (2 != codec->hw_write(codec->control_data, data, 2)) @@ -227,10 +239,6 @@ static int da7210_startup(struct snd_pcm_substream *substream, struct snd_soc_codec *codec = dai->codec; if (is_play) { - /* PlayBack Volume 40 */ - snd_soc_update_bits(codec, DA7210_HP_L_VOL, 0x3F, 40); - snd_soc_update_bits(codec, DA7210_HP_R_VOL, 0x3F, 40); - /* Enable Out */ snd_soc_update_bits(codec, DA7210_OUTMIX_L, 0x1F, 0x10); snd_soc_update_bits(codec, DA7210_OUTMIX_R, 0x1F, 0x10); @@ -256,8 +264,7 @@ static int da7210_hw_params(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 = rtd->codec; u32 dai_cfg1; u32 hpf_reg, hpf_mask, hpf_value; u32 fs, bypass; @@ -419,9 +426,8 @@ static struct snd_soc_dai_ops da7210_dai_ops = { .set_fmt = da7210_set_dai_fmt, }; -struct snd_soc_dai da7210_dai = { - .name = "DA7210 IIS", - .id = 0, +static struct snd_soc_dai_driver da7210_dai = { + .name = "da7210-hifi", /* playback capabilities */ .playback = { .stream_name = "Playback", @@ -441,55 +447,15 @@ struct snd_soc_dai da7210_dai = { .ops = &da7210_dai_ops, .symmetric_rates = 1, }; -EXPORT_SYMBOL_GPL(da7210_dai); -/* - * Initialize the DA7210 driver - * register the mixer and dsp interfaces with the kernel - */ -static int da7210_init(struct da7210_priv *da7210) +static int da7210_probe(struct snd_soc_codec *codec) { - struct snd_soc_codec *codec = &da7210->codec; - int ret = 0; + struct da7210_priv *da7210 = snd_soc_codec_get_drvdata(codec); - if (da7210_codec) { - dev_err(codec->dev, "Another da7210 is registered\n"); - return -EINVAL; - } + dev_info(codec->dev, "DA7210 Audio Codec %s\n", DA7210_VERSION); - mutex_init(&codec->mutex); - INIT_LIST_HEAD(&codec->dapm_widgets); - INIT_LIST_HEAD(&codec->dapm_paths); - - snd_soc_codec_set_drvdata(codec, da7210); - codec->name = "DA7210"; - codec->owner = THIS_MODULE; - codec->read = da7210_read; - codec->write = da7210_write; - codec->dai = &da7210_dai; - codec->num_dai = 1; + codec->control_data = da7210->control_data; codec->hw_write = (hw_write_t)i2c_master_send; - codec->reg_cache_size = ARRAY_SIZE(da7210_reg); - codec->reg_cache = kmemdup(da7210_reg, - sizeof(da7210_reg), GFP_KERNEL); - - if (!codec->reg_cache) - return -ENOMEM; - - da7210_dai.dev = codec->dev; - da7210_codec = codec; - - ret = snd_soc_register_codec(codec); - if (ret) { - dev_err(codec->dev, "Failed to register CODEC: %d\n", ret); - goto init_err; - } - - ret = snd_soc_register_dai(&da7210_dai); - if (ret) { - dev_err(codec->dev, "Failed to register DAI: %d\n", ret); - goto init_err; - } /* FIXME * @@ -572,50 +538,50 @@ static int da7210_init(struct da7210_priv *da7210) /* Activate all enabled subsystem */ da7210_write(codec, DA7210_STARTUP1, DA7210_SC_MST_EN); - return ret; + snd_soc_add_controls(codec, da7210_snd_controls, + ARRAY_SIZE(da7210_snd_controls)); -init_err: - kfree(codec->reg_cache); - codec->reg_cache = NULL; - - return ret; + dev_info(codec->dev, "DA7210 Audio Codec %s\n", DA7210_VERSION); + return 0; } +static struct snd_soc_codec_driver soc_codec_dev_da7210 = { + .probe = da7210_probe, + .read = da7210_read, + .write = da7210_write, + .reg_cache_size = ARRAY_SIZE(da7210_reg), + .reg_word_size = sizeof(u8), + .reg_cache_default = da7210_reg, +}; + #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) static int __devinit da7210_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { struct da7210_priv *da7210; - struct snd_soc_codec *codec; int ret; da7210 = kzalloc(sizeof(struct da7210_priv), GFP_KERNEL); if (!da7210) return -ENOMEM; - codec = &da7210->codec; - codec->dev = &i2c->dev; - i2c_set_clientdata(i2c, da7210); - codec->control_data = i2c; + da7210->control_data = i2c; + da7210->control_type = SND_SOC_I2C; - ret = da7210_init(da7210); + ret = snd_soc_register_codec(&i2c->dev, + &soc_codec_dev_da7210, &da7210_dai, 1); if (ret < 0) - pr_err("Failed to initialise da7210 audio codec\n"); + kfree(da7210); return ret; } static int __devexit da7210_i2c_remove(struct i2c_client *client) { - struct da7210_priv *da7210 = i2c_get_clientdata(client); - - snd_soc_unregister_dai(&da7210_dai); - kfree(da7210->codec.reg_cache); - kfree(da7210); - da7210_codec = NULL; - + snd_soc_unregister_codec(&client->dev); + kfree(i2c_get_clientdata(client)); return 0; } @@ -628,56 +594,15 @@ MODULE_DEVICE_TABLE(i2c, da7210_i2c_id); /* I2C codec control layer */ static struct i2c_driver da7210_i2c_driver = { .driver = { - .name = "DA7210 I2C Codec", + .name = "da7210-codec", .owner = THIS_MODULE, }, - .probe = da7210_i2c_probe, - .remove = __devexit_p(da7210_i2c_remove), - .id_table = da7210_i2c_id, + .probe = da7210_i2c_probe, + .remove = __devexit_p(da7210_i2c_remove), + .id_table = da7210_i2c_id, }; #endif -static int da7210_probe(struct platform_device *pdev) -{ - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec; - int ret; - - if (!da7210_codec) { - dev_err(&pdev->dev, "Codec device not registered\n"); - return -ENODEV; - } - - socdev->card->codec = da7210_codec; - codec = da7210_codec; - - /* Register pcms */ - ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); - if (ret < 0) - goto pcm_err; - - dev_info(&pdev->dev, "DA7210 Audio Codec %s\n", DA7210_VERSION); - -pcm_err: - return ret; -} - -static int da7210_remove(struct platform_device *pdev) -{ - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - - snd_soc_free_pcms(socdev); - snd_soc_dapm_free(socdev); - - return 0; -} - -struct snd_soc_codec_device soc_codec_dev_da7210 = { - .probe = da7210_probe, - .remove = da7210_remove, -}; -EXPORT_SYMBOL_GPL(soc_codec_dev_da7210); - static int __init da7210_modinit(void) { int ret = 0; |