diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/soc/codecs/ad1980.c')
-rw-r--r-- | ANDROID_3.4.5/sound/soc/codecs/ad1980.c | 284 |
1 files changed, 0 insertions, 284 deletions
diff --git a/ANDROID_3.4.5/sound/soc/codecs/ad1980.c b/ANDROID_3.4.5/sound/soc/codecs/ad1980.c deleted file mode 100644 index 8c39dddd..00000000 --- a/ANDROID_3.4.5/sound/soc/codecs/ad1980.c +++ /dev/null @@ -1,284 +0,0 @@ -/* - * ad1980.c -- ALSA Soc AD1980 codec support - * - * Copyright: Analog Device Inc. - * Author: Roy Huang <roy.huang@analog.com> - * Cliff Cai <cliff.cai@analog.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ - -/* - * WARNING: - * - * Because Analog Devices Inc. discontinued the ad1980 sound chip since - * Sep. 2009, this ad1980 driver is not maintained, tested and supported - * by ADI now. - */ - -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/device.h> -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/ac97_codec.h> -#include <sound/initval.h> -#include <sound/soc.h> - -#include "ad1980.h" - -/* - * AD1980 register cache - */ -static const u16 ad1980_reg[] = { - 0x0090, 0x8000, 0x8000, 0x8000, /* 0 - 6 */ - 0x0000, 0x0000, 0x8008, 0x8008, /* 8 - e */ - 0x8808, 0x8808, 0x0000, 0x8808, /* 10 - 16 */ - 0x8808, 0x0000, 0x8000, 0x0000, /* 18 - 1e */ - 0x0000, 0x0000, 0x0000, 0x0000, /* 20 - 26 */ - 0x03c7, 0x0000, 0xbb80, 0xbb80, /* 28 - 2e */ - 0xbb80, 0xbb80, 0x0000, 0x8080, /* 30 - 36 */ - 0x8080, 0x2000, 0x0000, 0x0000, /* 38 - 3e */ - 0x0000, 0x0000, 0x0000, 0x0000, /* reserved */ - 0x0000, 0x0000, 0x0000, 0x0000, /* reserved */ - 0x0000, 0x0000, 0x0000, 0x0000, /* reserved */ - 0x0000, 0x0000, 0x0000, 0x0000, /* reserved */ - 0x8080, 0x0000, 0x0000, 0x0000, /* 60 - 66 */ - 0x0000, 0x0000, 0x0000, 0x0000, /* reserved */ - 0x0000, 0x0000, 0x1001, 0x0000, /* 70 - 76 */ - 0x0000, 0x0000, 0x4144, 0x5370 /* 78 - 7e */ -}; - -static const char *ad1980_rec_sel[] = {"Mic", "CD", "NC", "AUX", "Line", - "Stereo Mix", "Mono Mix", "Phone"}; - -static const struct soc_enum ad1980_cap_src = - SOC_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 7, ad1980_rec_sel); - -static const struct snd_kcontrol_new ad1980_snd_ac97_controls[] = { -SOC_DOUBLE("Master Playback Volume", AC97_MASTER, 8, 0, 31, 1), -SOC_SINGLE("Master Playback Switch", AC97_MASTER, 15, 1, 1), - -SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1), -SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1), - -SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1), -SOC_SINGLE("PCM Playback Switch", AC97_PCM, 15, 1, 1), - -SOC_DOUBLE("PCM Capture Volume", AC97_REC_GAIN, 8, 0, 31, 0), -SOC_SINGLE("PCM Capture Switch", AC97_REC_GAIN, 15, 1, 1), - -SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1), -SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), - -SOC_SINGLE("Phone Capture Volume", AC97_PHONE, 0, 31, 1), -SOC_SINGLE("Phone Capture Switch", AC97_PHONE, 15, 1, 1), - -SOC_SINGLE("Mic Volume", AC97_MIC, 0, 31, 1), -SOC_SINGLE("Mic Switch", AC97_MIC, 15, 1, 1), - -SOC_SINGLE("Stereo Mic Switch", AC97_AD_MISC, 6, 1, 0), -SOC_DOUBLE("Line HP Swap Switch", AC97_AD_MISC, 10, 5, 1, 0), - -SOC_DOUBLE("Surround Playback Volume", AC97_SURROUND_MASTER, 8, 0, 31, 1), -SOC_DOUBLE("Surround Playback Switch", AC97_SURROUND_MASTER, 15, 7, 1, 1), - -SOC_DOUBLE("Center/LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 0, 31, 1), -SOC_DOUBLE("Center/LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 7, 1, 1), - -SOC_ENUM("Capture Source", ad1980_cap_src), - -SOC_SINGLE("Mic Boost Switch", AC97_MIC, 6, 1, 0), -}; - -static unsigned int ac97_read(struct snd_soc_codec *codec, - unsigned int reg) -{ - u16 *cache = codec->reg_cache; - - switch (reg) { - case AC97_RESET: - case AC97_INT_PAGING: - case AC97_POWERDOWN: - case AC97_EXTENDED_STATUS: - case AC97_VENDOR_ID1: - case AC97_VENDOR_ID2: - return soc_ac97_ops.read(codec->ac97, reg); - default: - reg = reg >> 1; - - if (reg >= ARRAY_SIZE(ad1980_reg)) - return -EINVAL; - - return cache[reg]; - } -} - -static int ac97_write(struct snd_soc_codec *codec, unsigned int reg, - unsigned int val) -{ - u16 *cache = codec->reg_cache; - - soc_ac97_ops.write(codec->ac97, reg, val); - reg = reg >> 1; - if (reg < ARRAY_SIZE(ad1980_reg)) - cache[reg] = val; - - return 0; -} - -static struct snd_soc_dai_driver ad1980_dai = { - .name = "ad1980-hifi", - .ac97_control = 1, - .playback = { - .stream_name = "Playback", - .channels_min = 2, - .channels_max = 6, - .rates = SNDRV_PCM_RATE_48000, - .formats = SND_SOC_STD_AC97_FMTS, }, - .capture = { - .stream_name = "Capture", - .channels_min = 2, - .channels_max = 2, - .rates = SNDRV_PCM_RATE_48000, - .formats = SND_SOC_STD_AC97_FMTS, }, -}; - -static int ad1980_reset(struct snd_soc_codec *codec, int try_warm) -{ - u16 retry_cnt = 0; - -retry: - if (try_warm && soc_ac97_ops.warm_reset) { - soc_ac97_ops.warm_reset(codec->ac97); - if (ac97_read(codec, AC97_RESET) == 0x0090) - return 1; - } - - soc_ac97_ops.reset(codec->ac97); - /* Set bit 16slot in register 74h, then every slot will has only 16 - * bits. This command is sent out in 20bit mode, in which case the - * first nibble of data is eaten by the addr. (Tag is always 16 bit)*/ - ac97_write(codec, AC97_AD_SERIAL_CFG, 0x9900); - - if (ac97_read(codec, AC97_RESET) != 0x0090) - goto err; - return 0; - -err: - while (retry_cnt++ < 10) - goto retry; - - printk(KERN_ERR "AD1980 AC97 reset failed\n"); - return -EIO; -} - -static int ad1980_soc_probe(struct snd_soc_codec *codec) -{ - int ret; - u16 vendor_id2; - u16 ext_status; - - printk(KERN_INFO "AD1980 SoC Audio Codec\n"); - - ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0); - if (ret < 0) { - printk(KERN_ERR "ad1980: failed to register AC97 codec\n"); - return ret; - } - - ret = ad1980_reset(codec, 0); - if (ret < 0) { - printk(KERN_ERR "Failed to reset AD1980: AC97 link error\n"); - goto reset_err; - } - - /* Read out vendor ID to make sure it is ad1980 */ - if (ac97_read(codec, AC97_VENDOR_ID1) != 0x4144) { - ret = -ENODEV; - goto reset_err; - } - - vendor_id2 = ac97_read(codec, AC97_VENDOR_ID2); - - if (vendor_id2 != 0x5370) { - if (vendor_id2 != 0x5374) { - ret = -ENODEV; - goto reset_err; - } else { - printk(KERN_WARNING "ad1980: " - "Found AD1981 - only 2/2 IN/OUT Channels " - "supported\n"); - } - } - - /* unmute captures and playbacks volume */ - ac97_write(codec, AC97_MASTER, 0x0000); - ac97_write(codec, AC97_PCM, 0x0000); - ac97_write(codec, AC97_REC_GAIN, 0x0000); - ac97_write(codec, AC97_CENTER_LFE_MASTER, 0x0000); - ac97_write(codec, AC97_SURROUND_MASTER, 0x0000); - - /*power on LFE/CENTER/Surround DACs*/ - ext_status = ac97_read(codec, AC97_EXTENDED_STATUS); - ac97_write(codec, AC97_EXTENDED_STATUS, ext_status&~0x3800); - - snd_soc_add_codec_controls(codec, ad1980_snd_ac97_controls, - ARRAY_SIZE(ad1980_snd_ac97_controls)); - - return 0; - -reset_err: - snd_soc_free_ac97_codec(codec); - return ret; -} - -static int ad1980_soc_remove(struct snd_soc_codec *codec) -{ - snd_soc_free_ac97_codec(codec); - return 0; -} - -static struct snd_soc_codec_driver soc_codec_dev_ad1980 = { - .probe = ad1980_soc_probe, - .remove = ad1980_soc_remove, - .reg_cache_size = ARRAY_SIZE(ad1980_reg), - .reg_word_size = sizeof(u16), - .reg_cache_default = ad1980_reg, - .reg_cache_step = 2, - .write = ac97_write, - .read = ac97_read, -}; - -static __devinit int ad1980_probe(struct platform_device *pdev) -{ - return snd_soc_register_codec(&pdev->dev, - &soc_codec_dev_ad1980, &ad1980_dai, 1); -} - -static int __devexit ad1980_remove(struct platform_device *pdev) -{ - snd_soc_unregister_codec(&pdev->dev); - return 0; -} - -static struct platform_driver ad1980_codec_driver = { - .driver = { - .name = "ad1980", - .owner = THIS_MODULE, - }, - - .probe = ad1980_probe, - .remove = __devexit_p(ad1980_remove), -}; - -module_platform_driver(ad1980_codec_driver); - -MODULE_DESCRIPTION("ASoC ad1980 driver (Obsolete)"); -MODULE_AUTHOR("Roy Huang, Cliff Cai"); -MODULE_LICENSE("GPL"); |