diff options
Diffstat (limited to 'sound/soc/codecs')
| -rw-r--r-- | sound/soc/codecs/Kconfig | 15 | ||||
| -rw-r--r-- | sound/soc/codecs/Makefile | 9 | ||||
| -rw-r--r-- | sound/soc/codecs/ac97.c | 156 | ||||
| -rw-r--r-- | sound/soc/codecs/ac97.h | 18 | ||||
| -rw-r--r-- | sound/soc/codecs/wm8731.c | 758 | ||||
| -rw-r--r-- | sound/soc/codecs/wm8731.h | 44 | ||||
| -rw-r--r-- | sound/soc/codecs/wm8750.c | 1049 | ||||
| -rw-r--r-- | sound/soc/codecs/wm8750.h | 67 | ||||
| -rw-r--r-- | sound/soc/codecs/wm9712.c | 771 | ||||
| -rw-r--r-- | sound/soc/codecs/wm9712.h | 14 |
10 files changed, 2901 insertions, 0 deletions
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig new file mode 100644 index 00000000000..78ac2688e12 --- /dev/null +++ b/sound/soc/codecs/Kconfig @@ -0,0 +1,15 @@ +config SND_SOC_AC97_CODEC + tristate + depends SND_SOC + +config SND_SOC_WM8731 + tristate + depends SND_SOC + +config SND_SOC_WM8750 + tristate + depends SND_SOC + +config SND_SOC_WM9712 + tristate + depends SND_SOC diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile new file mode 100644 index 00000000000..3249a6e4f1d --- /dev/null +++ b/sound/soc/codecs/Makefile @@ -0,0 +1,9 @@ +snd-soc-ac97-objs := ac97.o +snd-soc-wm8731-objs := wm8731.o +snd-soc-wm8750-objs := wm8750.o +snd-soc-wm9712-objs := wm9712.o + +obj-$(CONFIG_SND_SOC_AC97_CODEC) += snd-soc-ac97.o +obj-$(CONFIG_SND_SOC_WM8731) += snd-soc-wm8731.o +obj-$(CONFIG_SND_SOC_WM8750) += snd-soc-wm8750.o +obj-$(CONFIG_SND_SOC_WM9712) += snd-soc-wm9712.o diff --git a/sound/soc/codecs/ac97.c b/sound/soc/codecs/ac97.c new file mode 100644 index 00000000000..55bc55eb6e2 --- /dev/null +++ b/sound/soc/codecs/ac97.c @@ -0,0 +1,156 @@ +/* + * ac97.c -- ALSA Soc AC97 codec support + * + * Copyright 2005 Wolfson Microelectronics PLC. + * Author: Liam Girdwood + * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.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. + * + * Revision history + * 17th Oct 2005 Initial version. + * + * Generic AC97 support. + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/device.h> +#include <sound/driver.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/ac97_codec.h> +#include <sound/initval.h> +#include <sound/soc.h> + +#define AC97_VERSION "0.6" + +static int ac97_prepare(struct snd_pcm_substream *substream) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_device *socdev = rtd->socdev; + struct snd_soc_codec *codec = socdev->codec; + + int reg = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ? + AC97_PCM_FRONT_DAC_RATE : AC97_PCM_LR_ADC_RATE; + return snd_ac97_set_rate(codec->ac97, reg, runtime->rate); +} + +#define STD_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ + SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000) + +static struct snd_soc_codec_dai ac97_dai = { + .name = "AC97 HiFi", + .playback = { + .stream_name = "AC97 Playback", + .channels_min = 1, + .channels_max = 2, + .rates = STD_AC97_RATES, + .formats = SNDRV_PCM_FMTBIT_S16_LE,}, + .capture = { + .stream_name = "AC97 Capture", + .channels_min = 1, + .channels_max = 2, + .rates = STD_AC97_RATES, + .formats = SNDRV_PCM_FMTBIT_S16_LE,}, + .ops = { + .prepare = ac97_prepare,}, +}; + +static unsigned int ac97_read(struct snd_soc_codec *codec, + unsigned int reg) +{ + return soc_ac97_ops.read(codec->ac97, reg); +} + +static int ac97_write(struct snd_soc_codec *codec, unsigned int reg, + unsigned int val) +{ + soc_ac97_ops.write(codec->ac97, reg, val); + return 0; +} + +static int ac97_soc_probe(struct platform_device *pdev) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct snd_soc_codec *codec; + struct snd_ac97_bus *ac97_bus; + struct snd_ac97_template ac97_template; + int ret = 0; + + printk(KERN_INFO "AC97 SoC Audio Codec %s\n", AC97_VERSION); + + socdev->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); + if (socdev->codec == NULL) + return -ENOMEM; + codec = socdev->codec; + mutex_init(&codec->mutex); + + codec->name = "AC97"; + codec->owner = THIS_MODULE; + codec->dai = &ac97_dai; + codec->num_dai = 1; + codec->write = ac97_write; + codec->read = ac97_read; + INIT_LIST_HEAD(&codec->dapm_widgets); + INIT_LIST_HEAD(&codec->dapm_paths); + + /* register pcms */ + ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); + if(ret < 0) + goto err; + + /* add codec as bus device for standard ac97 */ + ret = snd_ac97_bus(codec->card, 0, &soc_ac97_ops, NULL, &ac97_bus); + if(ret < 0) + goto bus_err; + + memset(&ac97_template, 0, sizeof(struct snd_ac97_template)); + ret = snd_ac97_mixer(ac97_bus, &ac97_template, &codec->ac97); + if(ret < 0) + goto bus_err; + + ret = snd_soc_register_card(socdev); + if (ret < 0) + goto bus_err; + return 0; + +bus_err: + snd_soc_free_pcms(socdev); + +err: + kfree(socdev->codec->reg_cache); + kfree(socdev->codec); + socdev->codec = NULL; + return ret; +} + +static int ac97_soc_remove(struct platform_device *pdev) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct snd_soc_codec *codec = socdev->codec; + + if(codec == NULL) + return 0; + + snd_soc_free_pcms(socdev); + kfree(socdev->codec->reg_cache); + kfree(socdev->codec); + + return 0; +} + +struct snd_soc_codec_device soc_codec_dev_ac97= { + .probe = ac97_soc_probe, + .remove = ac97_soc_remove, +}; + +EXPORT_SYMBOL_GPL(soc_codec_dev_ac97); + +MODULE_DESCRIPTION("Soc Generic AC97 driver"); +MODULE_AUTHOR("Liam Girdwood"); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/codecs/ac97.h b/sound/soc/codecs/ac97.h new file mode 100644 index 00000000000..930ddfc2321 --- /dev/null +++ b/sound/soc/codecs/ac97.h @@ -0,0 +1,18 @@ +/* + * linux/sound/codecs/ac97.h -- ALSA SoC Layer + * + * Author: Liam Girdwood + * Created: Dec 1st 2005 + * Copyright: Wolfson Microelectronics. PLC. + * + * 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. + */ + +#ifndef __LINUX_SND_SOC_AC97_H +#define __LINUX_SND_SOC_AC97_H + +extern struct snd_soc_codec_device soc_codec_dev_ac97; + +#endif diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c new file mode 100644 index 00000000000..7ca0b526828 --- /dev/null +++ b/sound/soc/codecs/wm8731.c @@ -0,0 +1,758 @@ +/* + * wm8731.c -- WM8731 ALSA SoC Audio driver + * + * Copyright 2005 Openedhand Ltd. + * + * Author: Richard Purdie <richard@openedhand.com> + * + * Based on wm8753.c by Liam Girdwood + * + * 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. + */ + +#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/platform_device.h> +#include <sound/driver.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/initval.h> + +#include "wm8731.h" + +#define AUDIO_NAME "wm8731" +#define WM8731_VERSION "0.13" + +/* + * Debug + */ + +#define WM8731_DEBUG 0 + +#ifdef WM8731_DEBUG +#define dbg(format, arg...) \ + printk(KERN_DEBUG AUDIO_NAME ": " format "\n" , ## arg) +#else +#define dbg(format, arg...) do {} while (0) +#endif +#define err(format, arg...) \ + printk(KERN_ERR AUDIO_NAME ": " format "\n" , ## arg) +#define info(format, arg...) \ + printk(KERN_INFO AUDIO_NAME ": " format "\n" , ## arg) +#define warn(format, arg...) \ + printk(KERN_WARNING AUDIO_NAME ": " format "\n" , ## arg) + +struct snd_soc_codec_device soc_codec_dev_wm8731; + +/* codec private data */ +struct wm8731_priv { + unsigned int sysclk; +}; + +/* + * wm8731 register cache + * We can't read the WM8731 register space when we are + * using 2 wire for device control, so we cache them instead. + * There is no point in caching the reset register + */ +static const u16 wm8731_reg[WM8731_CACHEREGNUM] = { + 0x0097, 0x0097, 0x0079, 0x0079, + 0x000a, 0x0008, 0x009f, 0x000a, + 0x0000, 0x0000 +}; + +/* + * read wm8731 register cache + */ +static inline unsigned int wm8731_read_reg_cache(struct snd_soc_codec *codec, + unsigned int reg) +{ + u16 *cache = codec->reg_cache; + if (reg == WM8731_RESET) + return 0; + if (reg >= WM8731_CACHEREGNUM) + return -1; + return cache[reg]; +} + +/* + * write wm8731 register cache + */ +static inline void wm8731_write_reg_cache(struct snd_soc_codec *codec, + u16 reg, unsigned int value) +{ + u16 *cache = codec->reg_cache; + if (reg >= WM8731_CACHEREGNUM) + return; + cache[reg] = value; +} + +/* + * write to the WM8731 register space + */ +static int wm8731_write(struct snd_soc_codec *codec, unsigned int reg, + unsigned int value) +{ + u8 data[2]; + + /* data is + * D15..D9 WM8731 register offset + * D8...D0 register data + */ + data[0] = (reg << 1) | ((value >> 8) & 0x0001); + data[1] = value & 0x00ff; + + wm8731_write_reg_cache (codec, reg, value); + if (codec->hw_write(codec->control_data, data, 2) == 2) + return 0; + else + return -EIO; +} + +#define wm8731_reset(c) wm8731_write(c, WM8731_RESET, 0) + +static const char *wm8731_input_select[] = {"Line In", "Mic"}; +static const char *wm8731_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"}; + +static const struct soc_enum wm8731_enum[] = { + SOC_ENUM_SINGLE(WM8731_APANA, 2, 2, wm8731_input_select), + SOC_ENUM_SINGLE(WM8731_APDIGI, 1, 4, wm8731_deemph), +}; + +static const struct snd_kcontrol_new wm8731_snd_controls[] = { + +SOC_DOUBLE_R("Master Playback Volume", WM8731_LOUT1V, WM8731_ROUT1V, + 0, 127, 0), +SOC_DOUBLE_R("Master Playback ZC Switch", WM8731_LOUT1V, WM8731_ROUT1V, + 7, 1, 0), + +SOC_DOUBLE_R("Capture Volume", WM8731_LINVOL, WM8731_RINVOL, 0, 31, 0), +SOC_DOUBLE_R("Line Capture Switch", WM8731_LINVOL, WM8731_RINVOL, 7, 1, 1), + +SOC_SINGLE("Mic Boost (+20dB)", WM8731_APANA, 0, 1, 0), +SOC_SINGLE("Capture Mic Switch", WM8731_APANA, 1, 1, 1), + +SOC_SINGLE("Sidetone Playback Volume", WM8731_APANA, 6, 3, 1), + +SOC_SINGLE("ADC High Pass Filter Switch", WM8731_APDIGI, 0, 1, 1), +SOC_SINGLE("Store DC Offset Switch", WM8731_APDIGI, 4, 1, 0), + +SOC_ENUM("Playback De-emphasis", wm8731_enum[1]), +}; + +/* add non dapm controls */ +static int wm8731_add_controls(struct snd_soc_codec *codec) +{ + int err, i; + + for (i = 0; i < ARRAY_SIZE(wm8731_snd_controls); i++) { + if ((err = snd_ctl_add(codec->card, + snd_soc_cnew(&wm8731_snd_controls[i],codec, NULL))) < 0) + return err; + } + + return 0; +} + +/* Output Mixer */ +static const struct snd_kcontrol_new wm8731_output_mixer_controls[] = { +SOC_DAPM_SINGLE("Line Bypass Switch", WM8731_APANA, 3, 1, 0), +SOC_DAPM_SINGLE("Mic Sidetone Switch", WM8731_APANA, 5, 1, 0), +SOC_DAPM_SINGLE("HiFi Playback Switch", WM8731_APANA, 4, 1, 0), +}; + +/* Input mux */ +static const struct snd_kcontrol_new wm8731_input_mux_controls = +SOC_DAPM_ENUM("Input Select", wm8731_enum[0]); + +static const struct snd_soc_dapm_widget wm8731_dapm_widgets[] = { +SND_SOC_DAPM_MIXER("Output Mixer", WM8731_PWR, 4, 1, + &wm8731_output_mixer_controls[0], + ARRAY_SIZE(wm8731_output_mixer_controls)), +SND_SOC_DAPM_DAC("DAC", "HiFi Playback", WM8731_PWR, 3, 1), +SND_SOC_DAPM_OUTPUT("LOUT"), +SND_SOC_DAPM_OUTPUT("LHPOUT"), +SND_SOC_DAPM_OUTPUT("ROUT"), +SND_SOC_DAPM_OUTPUT("RHPOUT"), +SND_SOC_DAPM_ADC("ADC", "HiFi Capture", WM8731_PWR, 2, 1), +SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0, &wm8731_input_mux_controls), +SND_SOC_DAPM_PGA("Line Input", WM8731_PWR, 0, 1, NULL, 0), +SND_SOC_DAPM_MICBIAS("Mic Bias", WM8731_PWR, 1, 1), +SND_SOC_DAPM_INPUT("MICIN"), +SND_SOC_DAPM_INPUT("RLINEIN"), +SND_SOC_DAPM_INPUT("LLINEIN"), +}; + +static const char *intercon[][3] = { + /* output mixer */ + {"Output Mixer", "Line Bypass Switch", "Line Input"}, + {"Output Mixer", "HiFi Playback Switch", "DAC"}, + {"Output Mixer", "Mic Sidetone Switch", "Mic Bias"}, + + /* outputs */ + {"RHPOUT", NULL, "Output Mixer"}, + {"ROUT", NULL, "Output Mixer"}, + {"LHPOUT", NULL, "Output Mixer"}, + {"LOUT", NULL, "Output Mixer"}, + + /* input mux */ + {"Input Mux", "Line In", "Line Input"}, + {"Input Mux", "Mic", "Mic Bias"}, + {"ADC", NULL, "Input Mux"}, + + /* inputs */ + {"Line Input", NULL, "LLINEIN"}, + {"Line Input", NULL, "RLINEIN"}, + {"Mic Bias", NULL, "MICIN"}, + + /* terminator */ + {NULL, NULL, NULL}, +}; + +static int wm8731_add_widgets(struct snd_soc_codec *codec) +{ + int i; + + for(i = 0; i < ARRAY_SIZE(wm8731_dapm_widgets); i++) { + snd_soc_dapm_new_control(codec, &wm8731_dapm_widgets[i]); + } + + /* set up audio path interconnects */ + for(i = 0; intercon[i][0] != NULL; i++) { + snd_soc_dapm_connect_input(codec, intercon[i][0], + intercon[i][1], intercon[i][2]); + } + + snd_soc_dapm_new_widgets(codec); + return 0; +} + +struct _coeff_div { + u32 mclk; + u32 rate; + u16 fs; + u8 sr:4; + u8 bosr:1; + u8 usb:1; +}; + +/* codec mclk clock divider coefficients */ +static const struct _coeff_div coeff_div[] = { + /* 48k */ + {12288000, 48000, 256, 0x0, 0x0, 0x0}, + {18432000, 48000, 384, 0x0, 0x1, 0x0}, + {12000000, 48000, 250, 0x0, 0x0, 0x1}, + + /* 32k */ + {12288000, 32000, 384, 0x6, 0x0, 0x0}, + {18432000, 32000, 576, 0x6, 0x1, 0x0}, + {12000000, 32000, 375, 0x6, 0x0, 0x1}, + + /* 8k */ + {12288000, 8000, 1536, 0x3, 0x0, 0x0}, + {18432000, 8000, 2304, 0x3, 0x1, 0x0}, + {11289600, 8000, 1408, 0xb, 0x0, 0x0}, + {16934400, 8000, 2112, 0xb, 0x1, 0x0}, + {12000000, 8000, 1500, 0x3, 0x0, 0x1}, + + /* 96k */ + {12288000, 96000, 128, 0x7, 0x0, 0x0}, + {18432000, 96000, 192, 0x7, 0x1, 0x0}, + {12000000, 96000, 125, 0x7, 0x0, 0x1}, + + /* 44.1k */ + {11289600, 44100, 256, 0x8, 0x0, 0x0}, + {16934400, 44100, 384, 0x8, 0x1, 0x0}, + {12000000, 44100, 272, 0x8, 0x1, 0x1}, + + /* 88.2k */ + {11289600, 88200, 128, 0xf, 0x0, 0x0}, + {16934400, 88200, 192, 0xf, 0x1, 0x0}, + {12000000, 88200, 136, 0xf, 0x1, 0x1}, +}; + +static inline int get_coeff(int mclk, int rate) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(coeff_div); i++) { + if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk) + return i; + } + return 0; +} + +static int wm8731_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_device *socdev = rtd->socdev; + struct snd_soc_codec *codec = socdev->codec; + struct wm8731_priv *wm8731 = codec->private_data; + u16 iface = wm8731_read_reg_cache(codec, WM8731_IFACE) & 0xfff3; + int i = get_coeff(wm8731->sysclk, params_rate(params)); + u16 srate = (coeff_div[i].sr << 2) | + (coeff_div[i].bosr << 1) | coeff_div[i].usb; + + wm8731_write(codec, WM8731_SRATE, srate); + + /* bit size */ + switch (params_format(params)) { + case SNDRV_PCM_FORMAT_S16_LE: + break; + case SNDRV_PCM_FORMAT_S20_3LE: + iface |= 0x0004; + break; + case SNDRV_PCM_FORMAT_S24_LE: + iface |= 0x0008; + break; + } + + wm8731_write(codec, WM8731_IFACE, iface); + return 0; +} + +static int wm8731_pcm_prepare(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->codec; + + /* set active */ + wm8731_write(codec, WM8731_ACTIVE, 0x0001); + + return 0; +} + +static void wm8731_shutdown(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->codec; + + /* deactivate */ + if (!codec->active) { + udelay(50); + wm8731_write(codec, WM8731_ACTIVE, 0x0); + } +} + +static int wm8731_mute(struct snd_soc_codec_dai *dai, int mute) +{ + struct snd_soc_codec *codec = dai->codec; + u16 mute_reg = wm8731_read_reg_cache(codec, WM8731_APDIGI) & 0xfff7; + + if (mute) + wm8731_write(codec, WM8731_APDIGI, mute_reg | 0x8); + else + wm8731_write(codec, WM8731_APDIGI, mute_reg); + return 0; +} + +static int wm8731_set_dai_sysclk(struct snd_soc_codec_dai *codec_dai, + int clk_id, unsigned int freq, int dir) +{ + struct snd_soc_codec *codec = codec_dai->codec; + struct wm8731_priv *wm8731 = codec->private_data; + + switch (freq) { + case 11289600: + case 12000000: + case 12288000: + case 16934400: + case 18432000: + wm8731->sysclk = freq; + return 0; + } + return -EINVAL; +} + + +static int wm8731_set_dai_fmt(struct snd_soc_codec_dai *codec_dai, + unsigned int fmt) +{ + struct snd_soc_codec *codec = codec_dai->codec; + u16 iface = 0; + + /* set master/slave audio interface */ + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBM_CFM: + iface |= 0x0040; + break; + case SND_SOC_DAIFMT_CBS_CFS: + break; + default: + return -EINVAL; + } + + /* interface format */ + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + iface |= 0x0002; + break; + case SND_SOC_DAIFMT_RIGHT_J: + break; + case SND_SOC_DAIFMT_LEFT_J: + iface |= 0x0001; + break; + case SND_SOC_DAIFMT_DSP_A: + iface |= 0x0003; + break; + case SND_SOC_DAIFMT_DSP_B: + iface |= 0x0013; + break; + default: + return -EINVAL; + } + + /* clock inversion */ + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + break; + case SND_SOC_DAIFMT_IB_IF: + iface |= 0x0090; + break; + case SND_SOC_DAIFMT_IB_NF: + iface |= 0x0080; + break; + case SND_SOC_DAIFMT_NB_IF: + iface |= 0x0010; + break; + default: + return -EINVAL; + } + + /* set iface */ + wm8731_write(codec, WM8731_IFACE, iface); + return 0; +} + +static int wm8731_dapm_event(struct snd_soc_codec *codec, int event) +{ + u16 reg = wm8731_read_reg_cache(codec, WM8731_PWR) & 0xff7f; + + switch (event) { + case SNDRV_CTL_POWER_D0: /* full On */ + /* vref/mid, osc on, dac unmute */ + wm8731_write(codec, WM8731_PWR, reg); + break; + case SNDRV_CTL_POWER_D1: /* partial On */ + case SNDRV_CTL_POWER_D2: /* partial On */ + break; + case SNDRV_CTL_POWER_D3hot: /* Off, with power */ + /* everything off except vref/vmid, */ + wm8731_write(codec, WM8731_PWR, reg | 0x0040); + break; + case SNDRV_CTL_POWER_D3cold: /* Off, without power */ + /* everything off, dac mute, inactive */ + wm8731_write(codec, WM8731_ACTIVE, 0x0); + wm8731_write(codec, WM8731_PWR, 0xffff); + break; + } + codec->dapm_state = event; + return 0; +} + +#define WM8731_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ + SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\ + SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\ + SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |\ + SNDRV_PCM_RATE_96000) + +#define WM8731_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ + SNDRV_PCM_FMTBIT_S24_LE) + +struct snd_soc_codec_dai wm8731_dai = { + .name = "WM8731", + .playback = { + .stream_name = "Playback", + .channels_min = 1, + .channels_max = 2, + .rates = WM8731_RATES, + .formats = WM8731_FORMATS,}, + .capture = { + .stream_name = "Capture", + .channels_min = 1, + .channels_max = 2, + .rates = WM8731_RATES, + .formats = WM8731_FORMATS,}, + .ops = { + .prepare = wm8731_pcm_prepare, + .hw_params = wm8731_hw_params, + .shutdown = wm8731_shutdown, + }, + .dai_ops = { + .digital_mute = wm8731_mute, + .set_sysclk = wm8731_set_dai_sysclk, + .set_fmt = wm8731_set_dai_fmt, + } +}; +EXPORT_SYMBOL_GPL(wm8731_dai); + +static int wm8731_suspend(struct platform_device *pdev, pm_message_t state) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct snd_soc_codec *codec = socdev->codec; + + wm8731_write(codec, WM8731_ACTIVE, 0x0); + wm8731_dapm_event(codec, SNDRV_CTL_POWER_D3cold); + return 0; +} + +static int wm8731_resume(struct platform_device *pdev) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct snd_soc_codec *codec = socdev->codec; + int i; + u8 data[2]; + u16 *cache = codec->reg_cache; + + /* Sync reg_cache with the hardware */ + for (i = 0; i < ARRAY_SIZE(wm8731_reg); i++) { + data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001); + data[1] = cache[i] & 0x00ff; + codec->hw_write(codec->control_data, data, 2); + } + wm8731_dapm_event(codec, SNDRV_CTL_POWER_D3hot); + wm8731_dapm_event(codec, codec->suspend_dapm_state); + return 0; +} + +/* + * initialise the WM8731 driver + * register the mixer and dsp interfaces with the kernel + */ +static int wm8731_init(struct snd_soc_device *socdev) +{ + struct snd_soc_codec *codec = socdev->codec; + int reg, ret = 0; + + codec->name = "WM8731"; + codec->owner = THIS_MODULE; + codec->read = wm8731_read_reg_cache; + codec->write = wm8731_write; + codec->dapm_event = wm8731_dapm_event; + codec->dai = &wm8731_dai; + codec->num_dai = 1; + codec->reg_cache_size = sizeof(wm8731_reg); + codec->reg_cache = kmemdup(wm8731_reg, sizeof(wm8731_reg), GFP_KERNEL); + if (codec->reg_cache == NULL) + return -ENOMEM; + + wm8731_reset(codec); + + /* register pcms */ + ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); + if (ret < 0) { + printk(KERN_ERR "wm8731: failed to create pcms\n"); + goto pcm_err; + } + + /* power on device */ + wm8731_dapm_event(codec, SNDRV_CTL_POWER_D3hot); + + /* set the update bits */ + reg = wm8731_read_reg_cache(codec, WM8731_LOUT1V); + wm8731_write(codec, WM8731_LOUT1V, reg | 0x0100); + reg = wm8731_read_reg_cache(codec, WM8731_ROUT1V); + wm8731_write(codec, WM8731_ROUT1V, reg | 0x0100); + reg = wm8731_read_reg_cache(codec, WM8731_LINVOL); + wm8731_write(codec, WM8731_LINVOL, reg | 0x0100); + reg = wm8731_read_reg_cache(codec, WM8731_RINVOL); + wm8731_write(codec, WM8731_RINVOL, reg | 0x0100); + + wm8731_add_controls(codec); + wm8731_add_widgets(codec); + ret = snd_soc_register_card(socdev); + if (ret < 0) { + printk(KERN_ERR "wm8731: failed to register card\n"); + goto card_err; + } + + return ret; + +card_err: + snd_soc_free_pcms(socdev); + snd_soc_dapm_free(socdev); +pcm_err: + kfree(codec->reg_cache); + return ret; +} + +static struct snd_soc_device *wm8731_socdev; + +#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE) + +/* + * WM8731 2 wire address is determined by GPIO5 + * state during powerup. + * low = 0x1a + * high = 0x1b + */ +static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END }; + +/* Magic definition of all other variables and things */ +I2C_CLIENT_INSMOD; + +static struct i2c_driver wm8731_i2c_driver; +static struct i2c_client client_template; + +/* If the i2c layer weren't so broken, we could pass this kind of data + around */ + +static int wm8731_codec_probe(struct i2c_adapter *adap, int addr, int kind) +{ + struct snd_soc_device *socdev = wm8731_socdev; + struct wm8731_setup_data *setup = socdev->codec_data; + struct snd_soc_codec *codec = socdev->codec; + struct i2c_client *i2c; + int ret; + + if (addr != setup->i2c_address) + return -ENODEV; + + client_template.adapter = adap; + client_template.addr = addr; + + i2c = kmemdup(&client_template, sizeof(client_template), GFP_KERNEL); + if (i2c == NULL) { + kfree(codec); + return -ENOMEM; + } + i2c_set_clientdata(i2c, codec); + codec->control_data = i2c; + + ret = i2c_attach_client(i2c); + if (ret < 0) { + err("failed to attach codec at addr %x\n", addr); + goto err; + } + + ret = wm8731_init(socdev); + if (ret < 0) { + err("failed to initialise WM8731\n"); + goto err; + } + return ret; + +err: + kfree(codec); + kfree(i2c); + return ret; +} + +static int wm8731_i2c_detach(struct i2c_client *client) +{ + struct snd_soc_codec* codec = i2c_get_clientdata(client); + i2c_detach_client(client); + kfree(codec->reg_cache); + kfree(client); + return 0; +} + +static int wm8731_i2c_attach(struct i2c_adapter *adap) +{ + return i2c_probe(adap, &addr_data, wm8731_codec_probe); +} + +/* corgi i2c codec control layer */ +static struct i2c_driver wm8731_i2c_driver = { + .driver = { + .name = "WM8731 I2C Codec", + .owner = THIS_MODULE, + }, + .id = I2C_DRIVERID_WM8731, + .attach_adapter = wm8731_i2c_attach, + .detach_client = wm8731_i2c_detach, + .command = NULL, +}; + +static struct i2c_client client_template = { + .name = "WM8731", + .driver = &wm8731_i2c_driver, +}; +#endif + +static int wm8731_probe(struct platform_device *pdev) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct wm8731_setup_data *setup; + struct snd_soc_codec *codec; + struct wm8731_priv *wm8731; + int ret = 0; + + info("WM8731 Audio Codec %s", WM8731_VERSION); + + setup = socdev->codec_data; + codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); + if (codec == NULL) + return -ENOMEM; + + wm8731 = kzalloc(sizeof(struct wm8731_priv), GFP_KERNEL); + if (wm8731 == NULL) { + kfree(codec); + return -ENOMEM; + } + + codec->private_data = wm8731; + socdev->codec = codec; + mutex_init(&codec->mutex); + INIT_LIST_HEAD(&codec->dapm_widgets); + INIT_LIST_HEAD(&codec->dapm_paths); + + wm8731_socdev = socdev; +#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE) + if (setup->i2c_address) { + normal_i2c[0] = setup->i2c_address; + codec->hw_write = (hw_write_t)i2c_master_send; + ret = i2c_add_driver(&wm8731_i2c_driver); + if (ret != 0) + printk(KERN_ERR "can't add i2c driver"); + } +#else + /* Add other interfaces here */ +#endif + return ret; +} + +/* power down chip */ +static int wm8731_remove(struct platform_device *pdev) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct snd_soc_codec *codec = socdev->codec; + + if (codec->control_data) + wm8731_dapm_event(codec, SNDRV_CTL_POWER_D3cold); + + snd_soc_free_pcms(socdev); + snd_soc_dapm_free(socdev); +#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE) + i2c_del_driver(&wm8731_i2c_driver); +#endif + kfree(codec->private_data); + kfree(codec); + + return 0; +} + +struct snd_soc_codec_device soc_codec_dev_wm8731 = { + .probe = wm8731_probe, + .remove = wm8731_remove, + .suspend = wm8731_suspend, + .resume = wm8731_resume, +}; + +EXPORT_SYMBOL_GPL(soc_codec_dev_wm8731); + +MODULE_DESCRIPTION("ASoC WM8731 driver"); +MODULE_AUTHOR("Richard Purdie"); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/codecs/wm8731.h b/sound/soc/codecs/wm8731.h new file mode 100644 index 00000000000..5bcab6a7afb --- /dev/null +++ b/sound/soc/codecs/wm8731.h @@ -0,0 +1,44 @@ +/* + * wm8731.h -- WM8731 Soc Audio driver + * + * Copyright 2005 Openedhand Ltd. + * + * Author: Richard Purdie <richard@openedhand.com> + * + * Based on wm8753.h + * + * 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. + */ + +#ifndef _WM8731_H +#define _WM8731_H + +/* WM8731 register space */ + +#define WM8731_LINVOL 0x00 +#define WM8731_RINVOL 0x01 +#define WM8731_LOUT1V 0x02 +#define WM8731_ROUT1V 0x03 +#define WM8731_APANA 0x04 +#define WM8731_APDIGI 0x05 +#define WM8731_PWR 0x06 +#define WM8731_IFACE 0x07 +#define WM8731_SRATE 0x08 +#define WM8731_ACTIVE 0x09 +#define WM8731_RESET 0x0f + +#define WM8731_CACHEREGNUM 10 + +#define WM8731_SYSCLK 0 +#define WM8731_DAI 0 + +struct wm8731_setup_data { + unsigned short i2c_address; +}; + +extern struct snd_soc_codec_dai wm8731_dai; +extern struct snd_soc_codec_device soc_codec_dev_wm8731; + +#endif diff --git a/sound/soc/codecs/wm8750.c b/sound/soc/codecs/wm8750.c new file mode 100644 index 00000000000..7073e8e294f --- /dev/null +++ b/sound/soc/codecs/wm8750.c @@ -0,0 +1,1049 @@ +/* + * wm8750.c -- WM8750 ALSA SoC audio driver + * + * Copyright 2005 Openedhand Ltd. + * + * Author: Richard Purdie <richard@openedhand.com> + * + * Based on WM8753.c + * + * 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. + */ + +#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/platform_device.h> +#include <sound/driver.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/initval.h> + +#include "wm8750.h" + +#define AUDIO_NAME "WM8750" +#define WM8750_VERSION "0.12" + +/* + * Debug + */ + +#define WM8750_DEBUG 0 + +#ifdef WM8750_DEBUG +#define dbg(format, arg...) \ + printk(KERN_DEBUG AUDIO_NAME ": " format "\n" , ## arg) +#else +#define dbg(format, arg...) do {} while (0) +#endif +#define err(format, arg...) \ + printk(KERN_ERR AUDIO_NAME ": " format "\n" , ## arg) +#define info(format, arg...) \ + printk(KERN_INFO AUDIO_NAME ": " format "\n" , ## arg) +#define warn(format, arg...) \ + printk(KERN_WARNING AUDIO_NAME ": " format "\n" , ## arg) + +/* codec private data */ +struct wm8750_priv { + unsigned int sysclk; +}; + +/* + * wm8750 register cache + * We can't read the WM8750 register space when we + * are using 2 wire for device control, so we cache them instead. + */ +static const u16 wm8750_reg[] = { + 0x0097, 0x0097, 0x0079, 0x0079, /* 0 */ + 0x0000, 0x0008, 0x0000, 0x000a, /* 4 */ + 0x0000, 0x0000, 0x00ff, 0x00ff, /* 8 */ + 0x000f, 0x000f, 0x0000, 0x0000, /* 12 */ + 0x0000, 0x007b, 0x0000, 0x0032, /* 16 */ + 0x0000, 0x00c3, 0x00c3, 0x00c0, /* 20 */ + 0x0000, 0x0000, 0x0000, 0x0000, /* 24 */ + 0x0000, 0x0000, 0x0000, 0x0000, /* 28 */ + 0x0000, 0x0000, 0x0050, 0x0050, /* 32 */ + 0x0050, 0x0050, 0x0050, 0x0050, /* 36 */ + 0x0079, 0x0079, 0x0079, /* 40 */ +}; + +/* + * read wm8750 register cache + */ +static inline unsigned int wm8750_read_reg_cache(struct snd_soc_codec *codec, + unsigned int reg) +{ + u16 *cache = codec->reg_cache; + if (reg > WM8750_CACHE_REGNUM) + return -1; + return cache[reg]; +} + +/* + * write wm8750 register cache + */ +static inline void wm8750_write_reg_cache(struct snd_soc_codec *codec, + unsigned int reg, unsigned int value) +{ + u16 *cache = codec->reg_cache; + if (reg > WM8750_CACHE_REGNUM) + return; + cache[reg] = value; +} + +static int wm8750_write(struct snd_soc_codec *codec, unsigned int reg, + unsigned int value) +{ + u8 data[2]; + + /* data is + * D15..D9 WM8753 register offset + * D8...D0 register data + */ + data[0] = (reg << 1) | ((value >> 8) & 0x0001); + data[1] = value & 0x00ff; + + wm8750_write_reg_cache (codec, reg, value); + if (codec->hw_write(codec->control_data, data, 2) == 2) + return 0; + else + return -EIO; +} + +#define wm8750_reset(c) wm8750_write(c, WM8750_RESET, 0) + +/* + * WM8750 Controls + */ +static const char *wm8750_bass[] = {"Linear Control", "Adaptive Boost"}; +static const char *wm8750_bass_filter[] = { "130Hz @ 48kHz", "200Hz @ 48kHz" }; +static const char *wm8750_treble[] = {"8kHz", "4kHz"}; +static const char *wm8750_3d_lc[] = {"200Hz", "500Hz"}; +static const char *wm8750_3d_uc[] = {"2.2kHz", "1.5kHz"}; +static const char *wm8750_3d_func[] = {"Capture", "Playback"}; +static const char *wm8750_alc_func[] = {"Off", "Right", "Left", "Stereo"}; +static const char *wm8750_ng_type[] = {"Constant PGA Gain", + "Mute ADC Output"}; +static const char *wm8750_line_mux[] = {"Line 1", "Line 2", "Line 3", "PGA", + "Differential"}; +static const char *wm8750_pga_sel[] = {"Line 1", "Line 2", "Line 3", + "Differential"}; +static const char *wm8750_out3[] = {"VREF", "ROUT1 + Vol", "MonoOut", + "ROUT1"}; +static const char *wm8750_diff_sel[] = {"Line 1", "Line 2"}; +static const char *wm8750_adcpol[] = {"Normal", "L Invert", "R Invert", + "L + R Invert"}; +static const char *wm8750_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"}; +static const char *wm8750_mono_mux[] = {"Stereo", "Mono (Left)", + "Mono (Right)", "Digital Mono"}; + +static const struct soc_enum wm8750_enum[] = { +SOC_ENUM_SINGLE(WM8750_BASS, 7, 2, wm8750_bass), +SOC_ENUM_SINGLE(WM8750_BASS, 6, 2, wm8750_bass_filter), +SOC_ENUM_SINGLE(WM8750_TREBLE, 6, 2, wm8750_treble), +SOC_ENUM_SINGLE(WM8750_3D, 5, 2, wm8750_3d_lc), +SOC_ENUM_SINGLE(WM8750_3D, 6, 2, wm8750_3d_uc), +SOC_ENUM_SINGLE(WM8750_3D, 7, 2, wm8750_3d_func), +SOC_ENUM_SINGLE(WM8750_ALC1, 7, 4, wm8750_alc_func), +SOC_ENUM_SINGLE(WM8750_NGATE, 1, 2, wm8750_ng_type), +SOC_ENUM_SINGLE(WM8750_LOUTM1, 0, 5, wm8750_line_mux), +SOC_ENUM_SINGLE(WM8750_ROUTM1, 0, 5, wm8750_line_mux), +SOC_ENUM_SINGLE(WM8750_LADCIN, 6, 4, wm8750_pga_sel), /* 10 */ +SOC_ENUM_SINGLE(WM8750_RADCIN, 6, 4, wm8750_pga_sel), +SOC_ENUM_SINGLE(WM8750_ADCTL2, 7, 4, wm8750_out3), +SOC_ENUM_SINGLE(WM8750_ADCIN, 8, 2, wm8750_diff_sel), +SOC_ENUM_SINGLE(WM8750_ADCDAC, 5, 4, wm8750_adcpol), +SOC_ENUM_SINGLE(WM8750_ADCDAC, 1, 4, wm8750_deemph), +SOC_ENUM_SINGLE(WM8750_ADCIN, 6, 4, wm8750_mono_mux), /* 16 */ + +}; + +static const struct snd_kcontrol_new wm8750_snd_controls[] = { + +SOC_DOUBLE_R("Capture Volume", WM8750_LINVOL, WM8750_RINVOL, 0, 63, 0), +SOC_DOUBLE_R("Capture ZC Switch", WM8750_LINVOL, WM8750_RINVOL, 6, 1, 0), +SOC_DOUBLE_R("Capture Switch", WM8750_LINVOL, WM8750_RINVOL, 7, 1, 1), + +SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8750_LOUT1V, + WM8750_ROUT1V, 7, 1, 0), +SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8750_LOUT2V, + WM8750_ROUT2V, 7, 1, 0), + +SOC_ENUM("Playback De-emphasis", wm8750_enum[15]), + +SOC_ENUM("Capture Polarity", wm8750_enum[14]), +SOC_SINGLE("Playback 6dB Attenuate", WM8750_ADCDAC, 7, 1, 0), +SOC_SINGLE("Capture 6dB Attenuate", WM8750_ADCDAC, 8, 1, 0), + +SOC_DOUBLE_R("PCM Volume", WM8750_LDAC, WM8750_RDAC, 0, 255, 0), + +SOC_ENUM("Bass Boost", wm8750_enum[0]), +SOC_ENUM("Bass Filter", wm8750_enum[1]), +SOC_SINGLE("Bass Volume", WM8750_BASS, 0, 15, 1), + +SOC_SINGLE("Treble Volume", WM8750_TREBLE, 0, 15, 0), +SOC_ENUM("Treble Cut-off", wm8750_enum[2]), + +SOC_SINGLE("3D Switch", WM8750_3D, 0, 1, 0), +SOC_SINGLE("3D Volume", WM8750_3D, 1, 15, 0), +SOC_ENUM("3D Lower Cut-off", wm8750_enum[3]), +SOC_ENUM("3D Upper Cut-off", wm8750_enum[4]), +SOC_ENUM("3D Mode", wm8750_enum[5]), + +SOC_SINGLE("ALC Capture Target Volume", WM8750_ALC1, 0, 7, 0), +SOC_SINGLE("ALC Capture Max Volume", WM8750_ALC1, 4, 7, 0), +SOC_ENUM("ALC Capture Function", wm8750_enum[6]), +SOC_SINGLE("ALC Capture ZC Switch", WM8750_ALC2, 7, 1, 0), +SOC_SINGLE("ALC Capture Hold Time", WM8750_ALC2, 0, 15, 0), +SOC_SINGLE("ALC Capture Decay Time", WM8750_ALC3, 4, 15, 0), +SOC_SINGLE("ALC Capture Attack Time", WM8750_ALC3, 0, 15, 0), +SOC_SINGLE("ALC Capture NG Threshold", WM8750_NGATE, 3, 31, 0), +SOC_ENUM("ALC Capture NG Type", wm8750_enum[4]), +SOC_SINGLE("ALC Capture NG Switch", WM8750_NGATE, 0, 1, 0), + +SOC_SINGLE("Left ADC Capture Volume", WM8750_LADC, 0, 255, 0), +SOC_SINGLE("Right ADC Capture Volume", WM8750_RADC, 0, 255, 0), + +SOC_SINGLE("ZC Timeout Switch", WM8750_ADCTL1, 0, 1, 0), +SOC_SINGLE("Playback Invert Switch", WM8750_ADCTL1, 1, 1, 0), + +SOC_SINGLE("Right Speaker Playback Invert Switch", WM8750_ADCTL2, 4, 1, 0), + +/* Unimplemented */ +/* ADCDAC Bit 0 - ADCHPD */ +/* ADCDAC Bit 4 - HPOR */ +/* ADCTL1 Bit 2,3 - DATSEL */ +/* ADCTL1 Bit 4,5 - DMONOMIX */ +/* ADCTL1 Bit 6,7 - VSEL */ +/* ADCTL2 Bit 2 - LRCM */ +/* ADCTL2 Bit 3 - TRI */ +/* ADCTL3 Bit 5 - HPFLREN */ +/* ADCTL3 Bit 6 - VROI */ +/* ADCTL3 Bit 7,8 - ADCLRM */ +/* ADCIN Bit 4 - LDCM */ +/* ADCIN Bit 5 - RDCM */ + +SOC_DOUBLE_R("Mic Boost", WM8750_LADCIN, WM8750_RADCIN, 4, 3, 0), + +SOC_DOUBLE_R("Bypass Left Playback Volume", WM8750_LOUTM1, + WM8750_LOUTM2, 4, 7, 1), +SOC_DOUBLE_R("Bypass Right Playback Volume", WM8750_ROUTM1, + WM8750_ROUTM2, 4, 7, 1), +SOC_DOUBLE_R("Bypass Mono Playback Volume", WM8750_MOUTM1, + WM8750_MOUTM2, 4, 7, 1), + +SOC_SINGLE("Mono Playback ZC Switch", WM8750_MOUTV, 7, 1, 0), + +SOC_DOUBLE_R("Headphone Playback Volume", WM8750_LOUT1V, WM8750_ROUT1V, + 0, 127, 0), +SOC_DOUBLE_R("Speaker Playback Volume", WM8750_LOUT2V, WM8750_ROUT2V, + 0, 127, 0), + +SOC_SINGLE("Mono Playback Volume", WM8750_MOUTV, 0, 127, 0), + +}; + +/* add non dapm controls */ +static int wm8750_add_controls(struct snd_soc_codec *codec) +{ + int err, i; + + for (i = 0; i < ARRAY_SIZE(wm8750_snd_controls); i++) { + err = snd_ctl_add(codec->card, + snd_soc_cnew(&wm8750_snd_controls[i],codec, NULL)); + if (err < 0) + return err; + } + return 0; +} + +/* + * DAPM Controls + */ + +/* Left Mixer */ +static const struct snd_kcontrol_new wm8750_left_mixer_controls[] = { +SOC_DAPM_SINGLE("Playback Switch", WM8750_LOUTM1, 8, 1, 0), +SOC_DAPM_SINGLE("Left Bypass Switch", WM8750_LOUTM1, 7, 1, 0), +SOC_DAPM_SINGLE("Right Playback Switch", WM8750_LOUTM2, 8, 1, 0), +SOC_DAPM_SINGLE("Right Bypass Switch", WM8750_LOUTM2, 7, 1, 0), +}; + +/* Right Mixer */ +static const struct snd_kcontrol_new wm8750_right_mixer_controls[] = { +SOC_DAPM_SINGLE("Left Playback Switch", WM8750_ROUTM1, 8, 1, 0), +SOC_DAPM_SINGLE("Left Bypass Switch", WM8750_ROUTM1, 7, 1, 0), +SOC_DAPM_SINGLE("Playback Switch", WM8750_ROUTM2, 8, 1, 0), +SOC_DAPM_SINGLE("Right Bypass Switch", WM8750_ROUTM2, 7, 1, 0), +}; + +/* Mono Mixer */ +static const struct snd_kcontrol_new wm8750_mono_mixer_controls[] = { +SOC_DAPM_SINGLE("Left Playback Switch", WM8750_MOUTM1, 8, 1, 0), +SOC_DAPM_SINGLE("Left Bypass Switch", WM8750_MOUTM1, 7, 1, 0), +SOC_DAPM_SINGLE("Right Playback Switch", WM8750_MOUTM2, 8, 1, 0), +SOC_DAPM_SINGLE("Right Bypass Switch", WM8750_MOUTM2, 7, 1, 0), +}; + +/* Left Line Mux */ +static const struct snd_kcontrol_new wm8750_left_line_controls = +SOC_DAPM_ENUM("Route", wm8750_enum[8]); + +/* Right Line Mux */ +static const struct snd_kcontrol_new wm8750_right_line_controls = +SOC_DAPM_ENUM("Route", wm8750_enum[9]); + +/* Left PGA Mux */ +static const struct snd_kcontrol_new wm8750_left_pga_controls = +SOC_DAPM_ENUM("Route", wm8750_enum[10]); + +/* Right PGA Mux */ +static const struct snd_kcontrol_new wm8750_right_pga_controls = +SOC_DAPM_ENUM("Route", wm8750_enum[11]); + +/* Out 3 Mux */ +static const struct snd_kcontrol_new wm8750_out3_controls = +SOC_DAPM_ENUM("Route", wm8750_enum[12]); + +/* Differential Mux */ +static const struct snd_kcontrol_new wm8750_diffmux_controls = +SOC_DAPM_ENUM("Route", wm8750_enum[13]); + +/* Mono ADC Mux */ +static const struct snd_kcontrol_new wm8750_monomux_controls = +SOC_DAPM_ENUM("Route", wm8750_enum[16]); + +static const struct snd_soc_dapm_widget wm8750_dapm_widgets[] = { + SND_SOC_DAPM_MIXER("Left Mixer", SND_SOC_NOPM, 0, 0, + &wm8750_left_mixer_controls[0], + ARRAY_SIZE(wm8750_left_mixer_controls)), + SND_SOC_DAPM_MIXER("Right Mixer", SND_SOC_NOPM, 0, 0, + &wm8750_right_mixer_controls[0], + ARRAY_SIZE(wm8750_right_mixer_controls)), + SND_SOC_DAPM_MIXER("Mono Mixer", WM8750_PWR2, 2, 0, + &wm8750_mono_mixer_controls[0], + ARRAY_SIZE(wm8750_mono_mixer_controls)), + + SND_SOC_DAPM_PGA("Right Out 2", WM8750_PWR2, 3, 0, NULL, 0), + SND_SOC_DAPM_PGA("Left Out 2", WM8750_PWR2, 4, 0, NULL, 0), + SND_SOC_DAPM_PGA("Right Out 1", WM8750_PWR2, 5, 0, NULL, 0), + SND_SOC_DAPM_PGA("Left Out 1", WM8750_PWR2, 6, 0, NULL, 0), + SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8750_PWR2, 7, 0), + SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8750_PWR2, 8, 0), + + SND_SOC_DAPM_MICBIAS("Mic Bias", WM8750_PWR1, 1, 0), + SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8750_PWR1, 2, 0), + SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8750_PWR1, 3, 0), + + SND_SOC_DAPM_MUX("Left PGA Mux", WM8750_PWR1, 5, 0, + &wm8750_left_pga_controls), + SND_SOC_DAPM_MUX("Right PGA Mux", WM8750_PWR1, 4, 0, + &wm8750_right_pga_controls), + SND_SOC_DAPM_MUX("Left Line Mux", SND_SOC_NOPM, 0, 0, + &wm8750_left_line_controls), + SND_SOC_DAPM_MUX("Right Line Mux", SND_SOC_NOPM, 0, 0, + &wm8750_right_line_controls), + + SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0, &wm8750_out3_controls), + SND_SOC_DAPM_PGA("Out 3", WM8750_PWR2, 1, 0, NULL, 0), + SND_SOC_DAPM_PGA("Mono Out 1", WM8750_PWR2, 2, 0, NULL, 0), + + SND_SOC_DAPM_MUX("Differential Mux", SND_SOC_NOPM, 0, 0, + &wm8750_diffmux_controls), + SND_SOC_DAPM_MUX("Left ADC Mux", SND_SOC_NOPM, 0, 0, + &wm8750_monomux_controls), + SND_SOC_DAPM_MUX("Right ADC Mux", SND_SOC_NOPM, 0, 0, + &wm8750_monomux_controls), + + SND_SOC_DAPM_OUTPUT("LOUT1"), + SND_SOC_DAPM_OUTPUT("ROUT1"), + SND_SOC_DAPM_OUTPUT("LOUT2"), + SND_SOC_DAPM_OUTPUT("ROUT2"), + SND_SOC_DAPM_OUTPUT("MONO"), + SND_SOC_DAPM_OUTPUT("OUT3"), + + SND_SOC_DAPM_INPUT("LINPUT1"), + SND_SOC_DAPM_INPUT("LINPUT2"), + SND_SOC_DAPM_INPUT("LINPUT3"), + SND_SOC_DAPM_INPUT("RINPUT1"), + SND_SOC_DAPM_INPUT("RINPUT2"), + SND_SOC_DAPM_INPUT("RINPUT3"), +}; + +static const char *audio_map[][3] = { + /* left mixer */ + {"Left Mixer", "Playback Switch", "Left DAC"}, + {"Left Mixer", "Left Bypass Switch", "Left Line Mux"}, + {"Left Mixer", "Right Playback Switch", "Right DAC"}, + {"Left Mixer", "Right Bypass Switch", "Right Line Mux"}, + + /* right mixer */ + {"Right Mixer", "Left Playback Switch", "Left DAC"}, + {"Right Mixer", "Left Bypass Switch", "Left Line Mux"}, + {"Right Mixer", "Playback Switch", "Right DAC"}, + {"Right Mixer", "Right Bypass Switch", "Right Line Mux"}, + + /* left out 1 */ + {"Left Out 1", NULL, "Left Mixer"}, + {"LOUT1", NULL, "Left Out 1"}, + + /* left out 2 */ + {"Left Out 2", NULL, "Left Mixer"}, + {"LOUT2", NULL, "Left Out 2"}, + + /* right out 1 */ + {"Right Out 1", NULL, "Right Mixer"}, + {"ROUT1", NULL, "Right Out 1"}, + + /* right out 2 */ + {"Right Out 2", NULL, "Right Mixer"}, + {"ROUT2", NULL, "Right Out 2"}, + + /* mono mixer */ + {"Mono Mixer", "Left Playback Switch", "Left DAC"}, + {"Mono Mixer", "Left Bypass Switch", "Left Line Mux"}, + {"Mono Mixer", "Right Playback Switch", "Right DAC"}, + {"Mono Mixer", "Right Bypass Switch", "Right Line Mux"}, + + /* mono out */ + {"Mono Out 1", NULL, "Mono Mixer"}, + {"MONO1", NULL, "Mono Out 1"}, + + /* out 3 */ + {"Out3 Mux", "VREF", "VREF"}, + {"Out3 Mux", "ROUT1 + Vol", "ROUT1"}, + {"Out3 Mux", "ROUT1", "Right Mixer"}, + {"Out3 Mux", "MonoOut", "MONO1"}, + {"Out 3", NULL, "Out3 Mux"}, + {"OUT3", NULL, "Out 3"}, + + /* Left Line Mux */ + {"Left Line Mux", "Line 1", "LINPUT1"}, + {"Left Line Mux", "Line 2", "LINPUT2"}, + {"Left Line Mux", "Line 3", "LINPUT3"}, + {"Left Line Mux", "PGA", "Left PGA Mux"}, + {"Left Line Mux", "Differential", "Differential Mux"}, + + /* Right Line Mux */ + {"Right Line Mux", "Line 1", "RINPUT1"}, + {"Right Line Mux", "Line 2", "RINPUT2"}, + {"Right Line Mux", "Line 3", "RINPUT3"}, + {"Right Line Mux", "PGA", "Right PGA Mux"}, + {"Right Line Mux", "Differential", "Differential Mux"}, + + /* Left PGA Mux */ + {"Left PGA Mux", "Line 1", "LINPUT1"}, + {"Left PGA Mux", "Line 2", "LINPUT2"}, + {"Left PGA Mux", "Line 3", "LINPUT3"}, + {"Left PGA Mux", "Differential", "Differential Mux"}, + + /* Right PGA Mux */ + {"Right PGA Mux", "Line 1", "RINPUT1"}, + {"Right PGA Mux", "Line 2", "RINPUT2"}, + {"Right PGA Mux", "Line 3", "RINPUT3"}, + {"Right PGA Mux", "Differential", "Differential Mux"}, + + /* Differential Mux */ + {"Differential Mux", "Line 1", "LINPUT1"}, + {"Differential Mux", "Line 1", "RINPUT1"}, + {"Differential Mux", "Line 2", "LINPUT2"}, + {"Differential Mux", "Line 2", "RINPUT2"}, + + /* Left ADC Mux */ + {"Left ADC Mux", "Stereo", "Left PGA Mux"}, + {"Left ADC Mux", "Mono (Left)", "Left PGA Mux"}, + {"Left ADC Mux", "Digital Mono", "Left PGA Mux"}, + + /* Right ADC Mux */ + {"Right ADC Mux", "Stereo", "Right PGA Mux"}, + {"Right ADC Mux", "Mono (Right)", "Right PGA Mux"}, + {"Right ADC Mux", "Digital Mono", "Right PGA Mux"}, + + /* ADC */ + {"Left ADC", NULL, "Left ADC Mux"}, + {"Right ADC", NULL, "Right ADC Mux"}, + + /* terminator */ + {NULL, NULL, NULL}, +}; + +static int wm8750_add_widgets(struct snd_soc_codec *codec) +{ + int i; + + for(i = 0; i < ARRAY_SIZE(wm8750_dapm_widgets); i++) { + snd_soc_dapm_new_control(codec, &wm8750_dapm_widgets[i]); + } + + /* set up audio path audio_mapnects */ + for(i = 0; audio_map[i][0] != NULL; i++) { + snd_soc_dapm_connect_input(codec, audio_map[i][0], + audio_map[i][1], audio_map[i][2]); + } + + snd_soc_dapm_new_widgets(codec); + return 0; +} + +struct _coeff_div { + u32 mclk; + u32 rate; + u16 fs; + u8 sr:5; + u8 usb:1; +}; + +/* codec hifi mclk clock divider coefficients */ +static const struct _coeff_div coeff_div[] = { + /* 8k */ + {12288000, 8000, 1536, 0x6, 0x0}, + {11289600, 8000, 1408, 0x16, 0x0}, + {18432000, 8000, 2304, 0x7, 0x0}, + {16934400, 8000, 2112, 0x17, 0x0}, + {12000000, 8000, 1500, 0x6, 0x1}, + + /* 11.025k */ + {11289600, 11025, 1024, 0x18, 0x0}, + {16934400, 11025, 1536, 0x19, 0x0}, + {12000000, 11025, 1088, 0x19, 0x1}, + + /* 16k */ + {12288000, 16000, 768, 0xa, 0x0}, + {18432000, 16000, 1152, 0xb, 0x0}, + {12000000, 16000, 750, 0xa, 0x1}, + + /* 22.05k */ + {11289600, 22050, 512, 0x1a, 0x0}, + {16934400, 22050, 768, 0x1b, 0x0}, + {12000000, 22050, 544, 0x1b, 0x1}, + + /* 32k */ + {12288000, 32000, 384, 0xc, 0x0}, + {18432000, 32000, 576, 0xd, 0x0}, + {12000000, 32000, 375, 0xa, 0x1}, + + /* 44.1k */ + {11289600, 44100, 256, 0x10, 0x0}, + {16934400, 44100, 384, 0x11, 0x0}, + {12000000, 44100, 272, 0x11, 0x1}, + + /* 48k */ + {12288000, 48000, 256, 0x0, 0x0}, + {18432000, 48000, 384, 0x1, 0x0}, + {12000000, 48000, 250, 0x0, 0x1}, + + /* 88.2k */ + {11289600, 88200, 128, 0x1e, 0x0}, + {16934400, 88200, 192, 0x1f, 0x0}, + {12000000, 88200, 136, 0x1f, 0x1}, + + /* 96k */ + {12288000, 96000, 128, 0xe, 0x0}, + {18432000, 96000, 192, 0xf, 0x0}, + {12000000, 96000, 125, 0xe, 0x1}, +}; + +static inline int get_coeff(int mclk, int rate) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(coeff_div); i++) { + if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk) + return i; + } + + printk(KERN_ERR "wm8750: could not get coeff for mclk %d @ rate %d\n", + mclk, rate); + return -EINVAL; +} + +static int wm8750_set_dai_sysclk(struct snd_soc_codec_dai *codec_dai, + int clk_id, unsigned int freq, int dir) +{ + struct snd_soc_codec *codec = codec_dai->codec; + struct wm8750_priv *wm8750 = codec->private_data; + + switch (freq) { + case 11289600: + case 12000000: + case 12288000: + case 16934400: + case 18432000: + wm8750->sysclk = freq; + return 0; + } + return -EINVAL; +} + +static int wm8750_set_dai_fmt(struct snd_soc_codec_dai *codec_dai, + unsigned int fmt) +{ + struct snd_soc_codec *codec = codec_dai->codec; + u16 iface = 0; + + /* set master/slave audio interface */ + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBM_CFM: + iface = 0x0040; + break; + case SND_SOC_DAIFMT_CBS_CFS: + break; + default: + return -EINVAL; + } + + /* interface format */ + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + iface |= 0x0002; + break; + case SND_SOC_DAIFMT_RIGHT_J: + break; + case SND_SOC_DAIFMT_LEFT_J: + iface |= 0x0001; + break; + case SND_SOC_DAIFMT_DSP_A: + iface |= 0x0003; + break; + case SND_SOC_DAIFMT_DSP_B: + iface |= 0x0013; + break; + default: + return -EINVAL; + } + + /* clock inversion */ + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + break; + case SND_SOC_DAIFMT_IB_IF: + iface |= 0x0090; + break; + case SND_SOC_DAIFMT_IB_NF: + iface |= 0x0080; + break; + case SND_SOC_DAIFMT_NB_IF: + iface |= 0x0010; + break; + default: + return -EINVAL; + } + + wm8750_write(codec, WM8750_IFACE, iface); + return 0; +} + +static int wm8750_pcm_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_device *socdev = rtd->socdev; + struct snd_soc_codec *codec = socdev->codec; + struct wm8750_priv *wm8750 = codec->private_data; + u16 iface = wm8750_read_reg_cache(codec, WM8750_IFACE) & 0x1f3; + u16 srate = wm8750_read_reg_cache(codec, WM8750_SRATE) & 0x1c0; + int coeff = get_coeff(wm8750->sysclk, params_rate(params)); + + /* bit size */ + switch (params_format(params)) { + case SNDRV_PCM_FORMAT_S16_LE: + break; + case SNDRV_PCM_FORMAT_S20_3LE: + iface |= 0x0004; + break; + case SNDRV_PCM_FORMAT_S24_LE: + iface |= 0x0008; + break; + case SNDRV_PCM_FORMAT_S32_LE: + iface |= 0x000c; + break; + } + + /* set iface & srate */ + wm8750_write(codec, WM8750_IFACE, iface); + if (coeff >= 0) + wm8750_write(codec, WM8750_SRATE, srate | + (coeff_div[coeff].sr << 1) | coeff_div[coeff].usb); + + return 0; +} + +static int wm8750_mute(struct snd_soc_codec_dai *dai, int mute) +{ + struct snd_soc_codec *codec = dai->codec; + u16 mute_reg = wm8750_read_reg_cache(codec, WM8750_ADCDAC) & 0xfff7; + + if (mute) + wm8750_write(codec, WM8750_ADCDAC, mute_reg | 0x8); + else + wm8750_write(codec, WM8750_ADCDAC, mute_reg); + return 0; +} + +static int wm8750_dapm_event(struct snd_soc_codec *codec, int event) +{ + u16 pwr_reg = wm8750_read_reg_cache(codec, WM8750_PWR1) & 0xfe3e; + + switch (event) { + case SNDRV_CTL_POWER_D0: /* full On */ + /* set vmid to 50k and unmute dac */ + wm8750_write(codec, WM8750_PWR1, pwr_reg | 0x00c0); + break; + case SNDRV_CTL_POWER_D1: /* partial On */ + case SNDRV_CTL_POWER_D2: /* partial On */ + /* set vmid to 5k for quick power up */ + wm8750_write(codec, WM8750_PWR1, pwr_reg | 0x01c1); + break; + case SNDRV_CTL_POWER_D3hot: /* Off, with power */ + /* mute dac and set vmid to 500k, enable VREF */ + wm8750_write(codec, WM8750_PWR1, pwr_reg | 0x0141); + break; + case SNDRV_CTL_POWER_D3cold: /* Off, without power */ + wm8750_write(codec, WM8750_PWR1, 0x0001); + break; + } + codec->dapm_state = event; + return 0; +} + +#define WM8750_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ + SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \ + SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000) + +#define WM8750_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ + SNDRV_PCM_FMTBIT_S24_LE) + +struct snd_soc_codec_dai wm8750_dai = { + .name = "WM8750", + .playback = { + .stream_name = "Playback", + .channels_min = 1, + .channels_max = 2, + .rates = WM8750_RATES, + .formats = WM8750_FORMATS,}, + .capture = { + .stream_name = "Capture", + .channels_min = 1, + .channels_max = 2, + .rates = WM8750_RATES, + .formats = WM8750_FORMATS,}, + .ops = { + .hw_params = wm8750_pcm_hw_params, + }, + .dai_ops = { + .digital_mute = wm8750_mute, + .set_fmt = wm8750_set_dai_fmt, + .set_sysclk = wm8750_set_dai_sysclk, + }, +}; +EXPORT_SYMBOL_GPL(wm8750_dai); + +static void wm8750_work(struct work_struct *work) +{ + struct snd_soc_codec *codec = + container_of(work, struct snd_soc_codec, delayed_work.work); + wm8750_dapm_event(codec, codec->dapm_state); +} + +static int wm8750_suspend(struct platform_device *pdev, pm_message_t state) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct snd_soc_codec *codec = socdev->codec; + + wm8750_dapm_event(codec, SNDRV_CTL_POWER_D3cold); + return 0; +} + +static int wm8750_resume(struct platform_device *pdev) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct snd_soc_codec *codec = socdev->codec; + int i; + u8 data[2]; + u16 *cache = codec->reg_cache; + + /* Sync reg_cache with the hardware */ + for (i = 0; i < ARRAY_SIZE(wm8750_reg); i++) { + if (i == WM8750_RESET) + continue; + data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001); + data[1] = cache[i] & 0x00ff; + codec->hw_write(codec->control_data, data, 2); + } + + wm8750_dapm_event(codec, SNDRV_CTL_POWER_D3hot); + + /* charge wm8750 caps */ + if (codec->suspend_dapm_state == SNDRV_CTL_POWER_D0) { + wm8750_dapm_event(codec, SNDRV_CTL_POWER_D2); + codec->dapm_state = SNDRV_CTL_POWER_D0; + schedule_delayed_work(&codec->delayed_work, msecs_to_jiffies(1000)); + } + + return 0; +} + +/* + * initialise the WM8750 driver + * register the mixer and dsp interfaces with the kernel + */ +static int wm8750_init(struct snd_soc_device *socdev) +{ + struct snd_soc_codec *codec = socdev->codec; + int reg, ret = 0; + + codec->name = "WM8750"; + codec->owner = THIS_MODULE; + codec->read = wm8750_read_reg_cache; + codec->write = wm8750_write; + codec->dapm_event = wm8750_dapm_event; + codec->dai = &wm8750_dai; + codec->num_dai = 1; + codec->reg_cache_size = sizeof(wm8750_reg); + codec->reg_cache = kmemdup(wm8750_reg, sizeof(wm8750_reg), GFP_KRENEL); + if (codec->reg_cache == NULL) + return -ENOMEM; + + wm8750_reset(codec); + + /* register pcms */ + ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); + if (ret < 0) { + printk(KERN_ERR "wm8750: failed to create pcms\n"); + goto pcm_err; + } + + /* charge output caps */ + wm8750_dapm_event(codec, SNDRV_CTL_POWER_D2); + codec->dapm_state = SNDRV_CTL_POWER_D3hot; + schedule_delayed_work(&codec->delayed_work, msecs_to_jiffies(1000)); + + /* set the update bits */ + reg = wm8750_read_reg_cache(codec, WM8750_LDAC); + wm8750_write(codec, WM8750_LDAC, reg | 0x0100); + reg = wm8750_read_reg_cache(codec, WM8750_RDAC); + wm8750_write(codec, WM8750_RDAC, reg | 0x0100); + reg = wm8750_read_reg_cache(codec, WM8750_LOUT1V); + wm8750_write(codec, WM8750_LOUT1V, reg | 0x0100); + reg = wm8750_read_reg_cache(codec, WM8750_ROUT1V); + wm8750_write(codec, WM8750_ROUT1V, reg | 0x0100); + reg = wm8750_read_reg_cache(codec, WM8750_LOUT2V); + wm8750_write(codec, WM8750_LOUT2V, reg | 0x0100); + reg = wm8750_read_reg_cache(codec, WM8750_ROUT2V); + wm8750_write(codec, WM8750_ROUT2V, reg | 0x0100); + reg = wm8750_read_reg_cache(codec, WM8750_LINVOL); + wm8750_write(codec, WM8750_LINVOL, reg | 0x0100); + reg = wm8750_read_reg_cache(codec, WM8750_RINVOL); + wm8750_write(codec, WM8750_RINVOL, reg | 0x0100); + + wm8750_add_controls(codec); + wm8750_add_widgets(codec); + ret = snd_soc_register_card(socdev); + if (ret < 0) { + printk(KERN_ERR "wm8750: failed to register card\n"); + goto card_err; + } + return ret; + +card_err: + snd_soc_free_pcms(socdev); + snd_soc_dapm_free(socdev); +pcm_err: + kfree(codec->reg_cache); + return ret; +} + +/* If the i2c layer weren't so broken, we could pass this kind of data + around */ +static struct snd_soc_device *wm8750_socdev; + +#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE) + +/* + * WM8731 2 wire address is determined by GPIO5 + * state during powerup. + * low = 0x1a + * high = 0x1b + */ +static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END }; + +/* Magic definition of all other variables and things */ +I2C_CLIENT_INSMOD; + +static struct i2c_driver wm8750_i2c_driver; +static struct i2c_client client_template; + +static int wm8750_codec_probe(struct i2c_adapter *adap, int addr, int kind) +{ + struct snd_soc_device *socdev = wm8750_socdev; + struct wm8750_setup_data *setup = socdev->codec_data; + struct snd_soc_codec *codec = socdev->codec; + struct i2c_client *i2c; + int ret; + + if (addr != setup->i2c_address) + return -ENODEV; + + client_template.adapter = adap; + client_template.addr = addr; + + i2c = kmemdup(&client_template, sizeof(client_template), GFP_KERNEL); + if (i2c == NULL) { + kfree(codec); + return -ENOMEM; + } + i2c_set_clientdata(i2c, codec); + codec->control_data = i2c; + + ret = i2c_attach_client(i2c); + if (ret < 0) { + err("failed to attach codec at addr %x\n", addr); + goto err; + } + + ret = wm8750_init(socdev); + if (ret < 0) { + err("failed to initialise WM8750\n"); + goto err; + } + return ret; + +err: + kfree(codec); + kfree(i2c); + return ret; +} + +static int wm8750_i2c_detach(struct i2c_client *client) +{ + struct snd_soc_codec *codec = i2c_get_clientdata(client); + i2c_detach_client(client); + kfree(codec->reg_cache); + kfree(client); + return 0; +} + +static int wm8750_i2c_attach(struct i2c_adapter *adap) +{ + return i2c_probe(adap, &addr_data, wm8750_codec_probe); +} + +/* corgi i2c codec control layer */ +static struct i2c_driver wm8750_i2c_driver = { + .driver = { + .name = "WM8750 I2C Codec", + .owner = THIS_MODULE, + }, + .id = I2C_DRIVERID_WM8750, + .attach_adapter = wm8750_i2c_attach, + .detach_client = wm8750_i2c_detach, + .command = NULL, +}; + +static struct i2c_client client_template = { + .name = "WM8750", + .driver = &wm8750_i2c_driver, +}; +#endif + +static int wm8750_probe(struct platform_device *pdev) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct wm8750_setup_data *setup = socdev->codec_data; + struct snd_soc_codec *codec; + struct wm8750_priv *wm8750; + int ret = 0; + + info("WM8750 Audio Codec %s", WM8750_VERSION); + codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); + if (codec == NULL) + return -ENOMEM; + + wm8750 = kzalloc(sizeof(struct wm8750_priv), GFP_KERNEL); + if (wm8750 == NULL) { + kfree(codec); + return -ENOMEM; + } + + codec->private_data = wm8750; + socdev->codec = codec; + mutex_init(&codec->mutex); + INIT_LIST_HEAD(&codec->dapm_widgets); + INIT_LIST_HEAD(&codec->dapm_paths); + wm8750_socdev = socdev; + INIT_DELAYED_WORK(&codec->delayed_work, wm8750_work); + +#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE) + if (setup->i2c_address) { + normal_i2c[0] = setup->i2c_address; + codec->hw_write = (hw_write_t)i2c_master_send; + ret = i2c_add_driver(&wm8750_i2c_driver); + if (ret != 0) + printk(KERN_ERR "can't add i2c driver"); + } +#else + /* Add other interfaces here */ +#endif + + return ret; +} + +/* + * This function forces any delayed work to be queued and run. + */ +static int run_delayed_work(struct delayed_work *dwork) +{ + int ret; + + /* cancel any work waiting to be queued. */ + ret = cancel_delayed_work(dwork); + + /* if there was any work waiting then we run it now and + * wait for it's completion */ + if (ret) { + schedule_delayed_work(dwork, 0); + flush_scheduled_work(); + } + return ret; +} + +/* power down chip */ +static int wm8750_remove(struct platform_device *pdev) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct snd_soc_codec *codec = socdev->codec; + + if (codec->control_data) + wm8750_dapm_event(codec, SNDRV_CTL_POWER_D3cold); + run_delayed_work(&codec->delayed_work); + snd_soc_free_pcms(socdev); + snd_soc_dapm_free(socdev); +#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE) + i2c_del_driver(&wm8750_i2c_driver); +#endif + kfree(codec->private_data); + kfree(codec); + + return 0; +} + +struct snd_soc_codec_device soc_codec_dev_wm8750 = { + .probe = wm8750_probe, + .remove = wm8750_remove, + .suspend = wm8750_suspend, + .resume = wm8750_resume, +}; + +EXPORT_SYMBOL_GPL(soc_codec_dev_wm8750); + +MODULE_DESCRIPTION("ASoC WM8750 driver"); +MODULE_AUTHOR("Liam Girdwood"); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/codecs/wm8750.h b/sound/soc/codecs/wm8750.h new file mode 100644 index 00000000000..a97a54a6348 --- /dev/null +++ b/sound/soc/codecs/wm8750.h @@ -0,0 +1,67 @@ +/* + * Copyright 2005 Openedhand Ltd. + * + * Author: Richard Purdie <richard@openedhand.com> + * + * Based on WM8753.h + * + * 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. + * + */ + +#ifndef _WM8750_H +#define _WM8750_H + +/* WM8750 register space */ + +#define WM8750_LINVOL 0x00 +#define WM8750_RINVOL 0x01 +#define WM8750_LOUT1V 0x02 +#define WM8750_ROUT1V 0x03 +#define WM8750_ADCDAC 0x05 +#define WM8750_IFACE 0x07 +#define WM8750_SRATE 0x08 +#define WM8750_LDAC 0x0a +#define WM8750_RDAC 0x0b +#define WM8750_BASS 0x0c +#define WM8750_TREBLE 0x0d +#define WM8750_RESET 0x0f +#define WM8750_3D 0x10 +#define WM8750_ALC1 0x11 +#define WM8750_ALC2 0x12 +#define WM8750_ALC3 0x13 +#define WM8750_NGATE 0x14 +#define WM8750_LADC 0x15 +#define WM8750_RADC 0x16 +#define WM8750_ADCTL1 0x17 +#define WM8750_ADCTL2 0x18 +#define WM8750_PWR1 0x19 +#define WM8750_PWR2 0x1a +#define WM8750_ADCTL3 0x1b +#define WM8750_ADCIN 0x1f +#define WM8750_LADCIN 0x20 +#define WM8750_RADCIN 0x21 +#define WM8750_LOUTM1 0x22 +#define WM8750_LOUTM2 0x23 +#define WM8750_ROUTM1 0x24 +#define WM8750_ROUTM2 0x25 +#define WM8750_MOUTM1 0x26 +#define WM8750_MOUTM2 0x27 +#define WM8750_LOUT2V 0x28 +#define WM8750_ROUT2V 0x29 +#define WM8750_MOUTV 0x2a + +#define WM8750_CACHE_REGNUM 0x2a + +#define WM8750_SYSCLK 0 + +struct wm8750_setup_data { + unsigned short i2c_address; +}; + +extern struct snd_soc_codec_dai wm8750_dai; +extern struct snd_soc_codec_device soc_codec_dev_wm8750; + +#endif diff --git a/sound/soc/codecs/wm9712.c b/sound/soc/codecs/wm9712.c new file mode 100644 index 00000000000..92a64871bcd --- /dev/null +++ b/sound/soc/codecs/wm9712.c @@ -0,0 +1,771 @@ +/* + * wm9712.c -- ALSA Soc WM9712 codec support + * + * Copyright 2006 Wolfson Microelectronics PLC. + * Author: Liam Girdwood + * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.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. + * + * Revision history + * 4th Feb 2006 Initial version. + */ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/version.h> +#include <linux/kernel.h> +#include <linux/device.h> +#include <sound/driver.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/ac97_codec.h> +#include <sound/initval.h> +#include <sound/soc.h> +#include <sound/soc-dapm.h> + +#define WM9712_VERSION "0.4" + +static unsigned int ac97_read(struct snd_soc_codec *codec, + unsigned int reg); +static int ac97_write(struct snd_soc_codec *codec, + unsigned int reg, unsigned int val); + +/* + * WM9712 register cache + */ +static const u16 wm9712_reg[] = { + 0x6174, 0x8000, 0x8000, 0x8000, // 6 + 0xf0f0, 0xaaa0, 0xc008, 0x6808, // e + 0xe808, 0xaaa0, 0xad00, 0x8000, // 16 + 0xe808, 0x3000, 0x8000, 0x0000, // 1e + 0x0000, 0x0000, 0x0000, 0x000f, // 26 + 0x0405, 0x0410, 0xbb80, 0xbb80, // 2e + 0x0000, 0xbb80, 0x0000, 0x0000, // 36 + 0x0000, 0x2000, 0x0000, 0x0000, // 3e + 0x0000, 0x0000, 0x0000, 0x0000, // 46 + 0x0000, 0x0000, 0xf83e, 0xffff, // 4e + 0x0000, 0x0000, 0x0000, 0xf83e, // 56 + 0x0008, 0x0000, 0x0000, 0x0000, // 5e + 0xb032, 0x3e00, 0x0000, 0x0000, // 66 + 0x0000, 0x0000, 0x0000, 0x0000, // 6e + 0x0000, 0x0000, 0x0000, 0x0006, // 76 + 0x0001, 0x0000, 0x574d, 0x4c12, // 7e + 0x0000, 0x0000 // virtual hp mixers +}; + +/* virtual HP mixers regs */ +#define HPL_MIXER 0x80 +#define HPR_MIXER 0x82 + +static const char *wm9712_alc_select[] = {"None", "Left", "Right", "Stereo"}; +static const char *wm9712_alc_mux[] = {"Stereo", "Left", "Right", "None"}; +static const char *wm9712_out3_src[] = {"Left", "VREF", "Left + Right", + "Mono"}; +static const char *wm9712_spk_src[] = {"Speaker Mix", "Headphone Mix"}; +static const char *wm9712_rec_adc[] = {"Stereo", "Left", "Right", "Mute"}; +static const char *wm9712_base[] = {"Linear Control", "Adaptive Boost"}; +static const char *wm9712_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"}; +static const char *wm9712_mic[] = {"Mic 1", "Differential", "Mic 2", + "Stereo"}; +static const char *wm9712_rec_sel[] = {"Mic", "NC", "NC", "Speaker Mixer", + "Line", "Headphone Mixer", "Phone Mixer", "Phone"}; +static const char *wm9712_ng_type[] = {"Constant Gain", "Mute"}; +static const char *wm9712_diff_sel[] = {"Mic", "Line"}; + +static const struct soc_enum wm9712_enum[] = { +SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9712_alc_select), +SOC_ENUM_SINGLE(AC97_VIDEO, 12, 4, wm9712_alc_mux), +SOC_ENUM_SINGLE(AC97_AUX, 9, 4, wm9712_out3_src), +SOC_ENUM_SINGLE(AC97_AUX, 8, 2, wm9712_spk_src), +SOC_ENUM_SINGLE(AC97_REC_SEL, 12, 4, wm9712_rec_adc), +SOC_ENUM_SINGLE(AC97_MASTER_TONE, 15, 2, wm9712_base), +SOC_ENUM_DOUBLE(AC97_REC_GAIN, 14, 6, 2, wm9712_rec_gain), +SOC_ENUM_SINGLE(AC97_MIC, 5, 4, wm9712_mic), +SOC_ENUM_SINGLE(AC97_REC_SEL, 8, 8, wm9712_rec_sel), +SOC_ENUM_SINGLE(AC97_REC_SEL, 0, 8, wm9712_rec_sel), +SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9712_ng_type), +SOC_ENUM_SINGLE(0x5c, 8, 2, wm9712_diff_sel), +}; + +static const struct snd_kcontrol_new wm9712_snd_ac97_controls[] = { +SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1), +SOC_SINGLE("Speaker 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_SINGLE("Speaker Playback ZC Switch", AC97_MASTER, 7, 1, 0), +SOC_SINGLE("Speaker Playback Invert Switch", AC97_MASTER, 6, 1, 0), +SOC_SINGLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 7, 1, 0), +SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_MONO, 7, 1, 0), +SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 0), + +SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0), +SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0), +SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0), +SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0), +SOC_ENUM("ALC Function", wm9712_enum[0]), +SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0), +SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 1), +SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0), +SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0), +SOC_ENUM("ALC NG Type", wm9712_enum[10]), +SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 1), + +SOC_SINGLE("Mic Headphone Volume", AC97_VIDEO, 12, 7, 1), +SOC_SINGLE("ALC Headphone Volume", AC97_VIDEO, 7, 7, 1), + +SOC_SINGLE("Out3 Switch", AC97_AUX, 15, 1, 1), +SOC_SINGLE("Out3 ZC Switch", AC97_AUX, 7, 1, 1), +SOC_SINGLE("Out3 Volume", AC97_AUX, 0, 31, 1), + +SOC_SINGLE("PCBeep Bypass Headphone Volume", AC97_PC_BEEP, 12, 7, 1), +SOC_SINGLE("PCBeep Bypass Speaker Volume", AC97_PC_BEEP, 8, 7, 1), +SOC_SINGLE("PCBeep Bypass Phone Volume", AC97_PC_BEEP, 4, 7, 1), + +SOC_SINGLE("Aux Playback Headphone Volume", AC97_CD, 12, 7, 1), +SOC_SINGLE("Aux Playback Speaker Volume", AC97_CD, 8, 7, 1), +SOC_SINGLE("Aux Playback Phone Volume", AC97_CD, 4, 7, 1), + +SOC_SINGLE("Phone Volume", AC97_PHONE, 0, 15, 0), +SOC_DOUBLE("Line Capture Volume", AC97_LINE, 8, 0, 31, 1), + +SOC_SINGLE("Capture 20dB Boost Switch", AC97_REC_SEL, 14, 1, 0), +SOC_SINGLE("Capture to Phone 20dB Boost Switch", AC97_REC_SEL, 11, 1, 1), + +SOC_SINGLE("3D Upper Cut-off Switch", AC97_3D_CONTROL, 5, 1, 1), +SOC_SINGLE("3D Lower Cut-off Switch", AC97_3D_CONTROL, 4, 1, 1), +SOC_SINGLE("3D Playback Volume", AC97_3D_CONTROL, 0, 15, 0), + +SOC_ENUM("Bass Control", wm9712_enum[5]), +SOC_SINGLE("Bass Cut-off Switch", AC97_MASTER_TONE, 12, 1, 1), +SOC_SINGLE("Tone Cut-off Switch", AC97_MASTER_TONE, 4, 1, 1), +SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_MASTER_TONE, 6, 1, 0), +SOC_SINGLE("Bass Volume", AC97_MASTER_TONE, 8, 15, 0), +SOC_SINGLE("Treble Volume", AC97_MASTER_TONE, 0, 15, 0), + +SOC_SINGLE("Capture ADC Switch", AC97_REC_GAIN, 15, 1, 1), +SOC_ENUM("Capture Volume Steps", wm9712_enum[6]), +SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 63, 1), +SOC_SINGLE("Capture ZC Switch", AC97_REC_GAIN, 7, 1, 0), + +SOC_SINGLE("Mic 1 Volume", AC97_MIC, 8, 31, 1), +SOC_SINGLE("Mic 2 Volume", AC97_MIC, 0, 31, 1), +SOC_SINGLE("Mic 20dB Boost Switch", AC97_MIC, 7, 1, 0), +}; + +/* add non dapm controls */ +static int wm9712_add_controls(struct snd_soc_codec *codec) +{ + int err, i; + + for (i = 0; i < ARRAY_SIZE(wm9712_snd_ac97_controls); i++) { + err = snd_ctl_add(codec->card, + snd_soc_cnew(&wm9712_snd_ac97_controls[i],codec, NULL)); + if (err < 0) + return err; + } + return 0; +} + +/* We have to create a fake left and right HP mixers because + * the codec only has a single control that is shared by both channels. + * This makes it impossible to determine the audio path. + */ +static int mixer_event (struct snd_soc_dapm_widget *w, int event) +{ + u16 l, r, beep, line, phone, mic, pcm, aux; + + l = ac97_read(w->codec, HPL_MIXER); + r = ac97_read(w->codec, HPR_MIXER); + beep = ac97_read(w->codec, AC97_PC_BEEP); + mic = ac97_read(w->codec, AC97_VIDEO); + phone = ac97_read(w->codec, AC97_PHONE); + line = ac97_read(w->codec, AC97_LINE); + pcm = ac97_read(w->codec, AC97_PCM); + aux = ac97_read(w->codec, AC97_CD); + + if (l & 0x1 || r & 0x1) + ac97_write(w->codec, AC97_VIDEO, mic & 0x7fff); + else + ac97_write(w->codec, AC97_VIDEO, mic | 0x8000); + + if (l & 0x2 || r & 0x2) + ac97_write(w->codec, AC97_PCM, pcm & 0x7fff); + else + ac97_write(w->codec, AC97_PCM, pcm | 0x8000); + + if (l & 0x4 || r & 0x4) + ac97_write(w->codec, AC97_LINE, line & 0x7fff); + else + ac97_write(w->codec, AC97_LINE, line | 0x8000); + + if (l & 0x8 || r & 0x8) + ac97_write(w->codec, AC97_PHONE, phone & 0x7fff); + else + ac97_write(w->codec, AC97_PHONE, phone | 0x8000); + + if (l & 0x10 || r & 0x10) + ac97_write(w->codec, AC97_CD, aux & 0x7fff); + else + ac97_write(w->codec, AC97_CD, aux | 0x8000); + + if (l & 0x20 || r & 0x20) + ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff); + else + ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000); + + return 0; +} + +/* Left Headphone Mixers */ +static const struct snd_kcontrol_new wm9712_hpl_mixer_controls[] = { + SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPL_MIXER, 5, 1, 0), + SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 4, 1, 0), + SOC_DAPM_SINGLE("Phone Bypass Switch", HPL_MIXER, 3, 1, 0), + SOC_DAPM_SINGLE("Line Bypass Switch", HPL_MIXER, 2, 1, 0), + SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 1, 1, 0), + SOC_DAPM_SINGLE("Mic Sidetone Switch", HPL_MIXER, 0, 1, 0), +}; + +/* Right Headphone Mixers */ +static const struct snd_kcontrol_new wm9712_hpr_mixer_controls[] = { + SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPR_MIXER, 5, 1, 0), + SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 4, 1, 0), + SOC_DAPM_SINGLE("Phone Bypass Switch", HPR_MIXER, 3, 1, 0), + SOC_DAPM_SINGLE("Line Bypass Switch", HPR_MIXER, 2, 1, 0), + SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 1, 1, 0), + SOC_DAPM_SINGLE("Mic Sidetone Switch", HPR_MIXER, 0, 1, 0), +}; + +/* Speaker Mixer */ +static const struct snd_kcontrol_new wm9712_speaker_mixer_controls[] = { + SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 11, 1, 1), + SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 11, 1, 1), + SOC_DAPM_SINGLE("Phone Bypass Switch", AC97_PHONE, 14, 1, 1), + SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 14, 1, 1), + SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 14, 1, 1), +}; + +/* Phone Mixer */ +static const struct snd_kcontrol_new wm9712_phone_mixer_controls[] = { + SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 7, 1, 1), + SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 7, 1, 1), + SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 13, 1, 1), + SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 13, 1, 1), + SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_MIC, 14, 1, 1), + SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_MIC, 13, 1, 1), +}; + +/* ALC headphone mux */ +static const struct snd_kcontrol_new wm9712_alc_mux_controls = +SOC_DAPM_ENUM("Route", wm9712_enum[1]); + +/* out 3 mux */ +static const struct snd_kcontrol_new wm9712_out3_mux_controls = +SOC_DAPM_ENUM("Route", wm9712_enum[2]); + +/* spk mux */ +static const struct snd_kcontrol_new wm9712_spk_mux_controls = +SOC_DAPM_ENUM("Route", wm9712_enum[3]); + +/* Capture to Phone mux */ +static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls = +SOC_DAPM_ENUM("Route", wm9712_enum[4]); + +/* Capture left select */ +static const struct snd_kcontrol_new wm9712_capture_selectl_controls = +SOC_DAPM_ENUM("Route", wm9712_enum[8]); + +/* Capture right select */ +static const struct snd_kcontrol_new wm9712_capture_selectr_controls = +SOC_DAPM_ENUM("Route", wm9712_enum[9]); + +/* Mic select */ +static const struct snd_kcontrol_new wm9712_mic_src_controls = +SOC_DAPM_ENUM("Route", wm9712_enum[7]); + +/* diff select */ +static const struct snd_kcontrol_new wm9712_diff_sel_controls = +SOC_DAPM_ENUM("Route", wm9712_enum[11]); + +static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = { +SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0, + &wm9712_alc_mux_controls), +SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0, + &wm9712_out3_mux_controls), +SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0, + &wm9712_spk_mux_controls), +SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0, + &wm9712_capture_phone_mux_controls), +SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0, + &wm9712_capture_selectl_controls), +SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0, + &wm9712_capture_selectr_controls), +SND_SOC_DAPM_MUX("Mic Select Source", SND_SOC_NOPM, 0, 0, + &wm9712_mic_src_controls), +SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0, + &wm9712_diff_sel_controls), +SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0), +SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_INT_PAGING, 9, 1, + &wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls), + mixer_event, SND_SOC_DAPM_POST_REG), +SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_INT_PAGING, 8, 1, + &wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls), + mixer_event, SND_SOC_DAPM_POST_REG), +SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1, + &wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)), +SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1, + &wm9712_speaker_mixer_controls[0], + ARRAY_SIZE(wm9712_speaker_mixer_controls)), +SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0), +SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1), +SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1), +SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0), +SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1), +SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1), +SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0), +SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0), +SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0), +SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0), +SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0), +SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0), +SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1), +SND_SOC_DAPM_OUTPUT("MONOOUT"), +SND_SOC_DAPM_OUTPUT("HPOUTL"), +SND_SOC_DAPM_OUTPUT("HPOUTR"), +SND_SOC_DAPM_OUTPUT("LOUT2"), +SND_SOC_DAPM_OUTPUT("ROUT2"), +SND_SOC_DAPM_OUTPUT("OUT3"), +SND_SOC_DAPM_INPUT("LINEINL"), +SND_SOC_DAPM_INPUT("LINEINR"), +SND_SOC_DAPM_INPUT("PHONE"), +SND_SOC_DAPM_INPUT("PCBEEP"), +SND_SOC_DAPM_INPUT("MIC1"), +SND_SOC_DAPM_INPUT("MIC2"), +}; + +static const char *audio_map[][3] = { + /* virtual mixer - mixes left & right channels for spk and mono */ + {"AC97 Mixer", NULL, "Left DAC"}, + {"AC97 Mixer", NULL, "Right DAC"}, + + /* Left HP mixer */ + {"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"}, + {"Left HP Mixer", "Aux Playback Switch", "Aux DAC"}, + {"Left HP Mixer", "Phone Bypass Switch", "Phone PGA"}, + {"Left HP Mixer", "Line Bypass Switch", "Line PGA"}, + {"Left HP Mixer", "PCM Playback Switch", "Left DAC"}, + {"Left HP Mixer", "Mic Sidetone Switch", "Mic PGA"}, + {"Left HP Mixer", NULL, "ALC Sidetone Mux"}, + //{"Right HP Mixer", NULL, "HP Mixer"}, + + /* Right HP mixer */ + {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"}, + {"Right HP Mixer", "Aux Playback Switch", "Aux DAC"}, + {"Right HP Mixer", "Phone Bypass Switch", "Phone PGA"}, + {"Right HP Mixer", "Line Bypass Switch", "Line PGA"}, + {"Right HP Mixer", "PCM Playback Switch", "Right DAC"}, + {"Right HP Mixer", "Mic Sidetone Switch", "Mic PGA"}, + {"Right HP Mixer", NULL, "ALC Sidetone Mux"}, + + /* speaker mixer */ + {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"}, + {"Speaker Mixer", "Line Bypass Switch", "Line PGA"}, + {"Speaker Mixer", "PCM Playback Switch", "AC97 Mixer"}, + {"Speaker Mixer", "Phone Bypass Switch", "Phone PGA"}, + {"Speaker Mixer", "Aux Playback Switch", "Aux DAC"}, + + /* Phone mixer */ + {"Phone Mixer", "PCBeep Bypass Switch", "PCBEEP"}, + {"Phone Mixer", "Line Bypass Switch", "Line PGA"}, + {"Phone Mixer", "Aux Playback Switch", "Aux DAC"}, + {"Phone Mixer", "PCM Playback Switch", "AC97 Mixer"}, + {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"}, + {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"}, + + /* inputs */ + {"Line PGA", NULL, "LINEINL"}, + {"Line PGA", NULL, "LINEINR"}, + {"Phone PGA", NULL, "PHONE"}, + {"Mic PGA", NULL, "MIC1"}, + {"Mic PGA", NULL, "MIC2"}, + + /* left capture selector */ + {"Left Capture Select", "Mic", "MIC1"}, + {"Left Capture Select", "Speaker Mixer", "Speaker Mixer"}, + {"Left Capture Select", "Line", "LINEINL"}, + {"Left Capture Select", "Headphone Mixer", "Left HP Mixer"}, + {"Left Capture Select", "Phone Mixer", "Phone Mixer"}, + {"Left Capture Select", "Phone", "PHONE"}, + + /* right capture selector */ + {"Right Capture Select", "Mic", "MIC2"}, + {"Right Capture Select", "Speaker Mixer", "Speaker Mixer"}, + {"Right Capture Select", "Line", "LINEINR"}, + {"Right Capture Select", "Headphone Mixer", "Right HP Mixer"}, + {"Right Capture Select", "Phone Mixer", "Phone Mixer"}, + {"Right Capture Select", "Phone", "PHONE"}, + + /* ALC Sidetone */ + {"ALC Sidetone Mux", "Stereo", "Left Capture Select"}, + {"ALC Sidetone Mux", "Stereo", "Right Capture Select"}, + {"ALC Sidetone Mux", "Left", "Left Capture Select"}, + {"ALC Sidetone Mux", "Right", "Right Capture Select"}, + + /* ADC's */ + {"Left ADC", NULL, "Left Capture Select"}, + {"Right ADC", NULL, "Right Capture Select"}, + + /* outputs */ + {"MONOOUT", NULL, "Phone Mixer"}, + {"HPOUTL", NULL, "Headphone PGA"}, + {"Headphone PGA", NULL, "Left HP Mixer"}, + {"HPOUTR", NULL, "Headphone PGA"}, + {"Headphone PGA", NULL, "Right HP Mixer"}, + + /* mono hp mixer */ + {"Mono HP Mixer", NULL, "Left HP Mixer"}, + {"Mono HP Mixer", NULL, "Right HP Mixer"}, + + /* Out3 Mux */ + {"Out3 Mux", "Left", "Left HP Mixer"}, + {"Out3 Mux", "Mono", "Phone Mixer"}, + {"Out3 Mux", "Left + Right", "Mono HP Mixer"}, + {"Out 3 PGA", NULL, "Out3 Mux"}, + {"OUT3", NULL, "Out 3 PGA"}, + + /* speaker Mux */ + {"Speaker Mux", "Speaker Mix", "Speaker Mixer"}, + {"Speaker Mux", "Headphone Mix", "Mono HP Mixer"}, + {"Speaker PGA", NULL, "Speaker Mux"}, + {"LOUT2", NULL, "Speaker PGA"}, + {"ROUT2", NULL, "Speaker PGA"}, + + {NULL, NULL, NULL}, +}; + +static int wm9712_add_widgets(struct snd_soc_codec *codec) +{ + int i; + + for(i = 0; i < ARRAY_SIZE(wm9712_dapm_widgets); i++) { + snd_soc_dapm_new_control(codec, &wm9712_dapm_widgets[i]); + } + + /* set up audio path audio_mapnects */ + for(i = 0; audio_map[i][0] != NULL; i++) { + snd_soc_dapm_connect_input(codec, audio_map[i][0], + audio_map[i][1], audio_map[i][2]); + } + + snd_soc_dapm_new_widgets(codec); + return 0; +} + +static unsigned int ac97_read(struct snd_soc_codec *codec, + unsigned int reg) +{ + u16 *cache = codec->reg_cache; + + if (reg == AC97_RESET || reg == AC97_GPIO_STATUS || + reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 || + reg == AC97_REC_GAIN) + return soc_ac97_ops.read(codec->ac97, reg); + else { + reg = reg >> 1; + + if (reg > (ARRAY_SIZE(wm9712_reg))) + return -EIO; + + 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(wm9712_reg))) + cache[reg] = val; + + return 0; +} + +static int ac97_prepare(struct snd_pcm_substream *substream) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_device *socdev = rtd->socdev; + struct snd_soc_codec *codec = socdev->codec; + int reg; + u16 vra; + + vra = ac97_read(codec, AC97_EXTENDED_STATUS); + ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1); + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + reg = AC97_PCM_FRONT_DAC_RATE; + else + reg = AC97_PCM_LR_ADC_RATE; + + return ac97_write(codec, reg, runtime->rate); +} + +static int ac97_aux_prepare(struct snd_pcm_substream *substream) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_device *socdev = rtd->socdev; + struct snd_soc_codec *codec = socdev->codec; + u16 vra, xsle; + + vra = ac97_read(codec, AC97_EXTENDED_STATUS); + ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1); + xsle = ac97_read(codec, AC97_PCI_SID); + ac97_write(codec, AC97_PCI_SID, xsle | 0x8000); + + if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK) + return -ENODEV; + + return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate); +} + +#define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ + SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000) + +struct snd_soc_codec_dai wm9712_dai[] = { +{ + .name = "AC97 HiFi", + .playback = { + .stream_name = "HiFi Playback", + .channels_min = 1, + .channels_max = 2, + .rates = WM9712_AC97_RATES, + .formats = SNDRV_PCM_FMTBIT_S16_LE,}, + .capture = { + .stream_name = "HiFi Capture", + .channels_min = 1, + .channels_max = 2, + .rates = WM9712_AC97_RATES, + .formats = SNDRV_PCM_FMTBIT_S16_LE,}, + .ops = { + .prepare = ac97_prepare,}, +}, +{ + .name = "AC97 Aux", + .playback = { + .stream_name = "Aux Playback", + .channels_min = 1, + .channels_max = 1, + .rates = WM9712_AC97_RATES, + .formats = SNDRV_PCM_FMTBIT_S16_LE,}, + .ops = { + .prepare = ac97_aux_prepare,}, +} +}; +EXPORT_SYMBOL_GPL(wm9712_dai); + +static int wm9712_dapm_event(struct snd_soc_codec *codec, int event) +{ + u16 reg; + + switch (event) { + case SNDRV_CTL_POWER_D0: /* full On */ + /* liam - maybe enable thermal shutdown */ + reg = ac97_read(codec, AC97_EXTENDED_MID) & 0xdfff; + ac97_write(codec, AC97_EXTENDED_MID, reg); + break; + case SNDRV_CTL_POWER_D1: /* partial On */ + case SNDRV_CTL_POWER_D2: /* partial On */ + break; + case SNDRV_CTL_POWER_D3hot: /* Off, with power */ + /* enable master bias and vmid */ + reg = ac97_read(codec, AC97_EXTENDED_MID) & 0xbbff; + ac97_write(codec, AC97_EXTENDED_MID, reg); + ac97_write(codec, AC97_POWERDOWN, 0x0000); + break; + case SNDRV_CTL_POWER_D3cold: /* Off, without power */ + /* disable everything including AC link */ + ac97_write(codec, AC97_EXTENDED_MID, 0xffff); + ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff); + ac97_write(codec, AC97_POWERDOWN, 0xffff); + break; + } + codec->dapm_state = event; + return 0; +} + +static int wm9712_reset(struct snd_soc_codec *codec, int try_warm) +{ + if (try_warm && soc_ac97_ops.warm_reset) { + soc_ac97_ops.warm_reset(codec->ac97); + if (!(ac97_read(codec, 0) & 0x8000)) + return 1; + } + + soc_ac97_ops.reset(codec->ac97); + if (ac97_read(codec, 0) & 0x8000) + goto err; + return 0; + +err: + printk(KERN_ERR "WM9712 AC97 reset failed\n"); + return -EIO; +} + +static int wm9712_soc_suspend(struct platform_device *pdev, + pm_message_t state) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct snd_soc_codec *codec = socdev->codec; + + wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3cold); + return 0; +} + +static int wm9712_soc_resume(struct platform_device *pdev) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct snd_soc_codec *codec = socdev->codec; + int i, ret; + u16 *cache = codec->reg_cache; + + ret = wm9712_reset(codec, 1); + if (ret < 0){ + printk(KERN_ERR "could not reset AC97 codec\n"); + return ret; + } + + wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3hot); + + if (ret == 0) { + /* Sync reg_cache with the hardware after cold reset */ + for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i+=2) { + if (i == AC97_INT_PAGING || i == AC97_POWERDOWN || + (i > 0x58 && i != 0x5c)) + continue; + soc_ac97_ops.write(codec->ac97, i, cache[i>>1]); + } + } + + if (codec->suspend_dapm_state == SNDRV_CTL_POWER_D0) + wm9712_dapm_event(codec, SNDRV_CTL_POWER_D0); + + return ret; +} + +static int wm9712_soc_probe(struct platform_device *pdev) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct snd_soc_codec *codec; + int ret = 0; + + printk(KERN_INFO "WM9711/WM9712 SoC Audio Codec %s\n", WM9712_VERSION); + + socdev->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); + if (socdev->codec == NULL) + return -ENOMEM; + codec = socdev->codec; + mutex_init(&codec->mutex); + + codec->reg_cache = + kzalloc(sizeof(u16) * ARRAY_SIZE(wm9712_reg), GFP_KERNEL); + if (codec->reg_cache == NULL) { + ret = -ENOMEM; + goto cache_err; + } + memcpy(codec->reg_cache, wm9712_reg, sizeof(u16) * ARRAY_SIZE(wm9712_reg)); + codec->reg_cache_size = sizeof(u16) * ARRAY_SIZE(wm9712_reg); + codec->reg_cache_step = 2; + + codec->name = "WM9712"; + codec->owner = THIS_MODULE; + codec->dai = wm9712_dai; + codec->num_dai = ARRAY_SIZE(wm9712_dai); + codec->write = ac97_write; + codec->read = ac97_read; + codec->dapm_event = wm9712_dapm_event; + INIT_LIST_HEAD(&codec->dapm_widgets); + INIT_LIST_HEAD(&codec->dapm_paths); + + ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0); + if (ret < 0) { + printk(KERN_ERR "wm9712: failed to register AC97 codec\n"); + goto codec_err; + } + + /* register pcms */ + ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); + if (ret < 0) + goto pcm_err; + + ret = wm9712_reset(codec, 0); + if (ret < 0) { + printk(KERN_ERR "AC97 link error\n"); + goto reset_err; + } + + /* set alc mux to none */ + ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000); + + wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3hot); + wm9712_add_controls(codec); + wm9712_add_widgets(codec); + ret = snd_soc_register_card(socdev); + if (ret < 0) { + printk(KERN_ERR "wm9712: failed to register card\n"); + goto reset_err; + } + + return 0; + +reset_err: + snd_soc_free_pcms(socdev); + +pcm_err: + snd_soc_free_ac97_codec(codec); + +codec_err: + kfree(codec->reg_cache); + +cache_err: + kfree(socdev->codec); + socdev->codec = NULL; + return ret; +} + +static int wm9712_soc_remove(struct platform_device *pdev) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct snd_soc_codec *codec = socdev->codec; + + if (codec == NULL) + return 0; + + snd_soc_dapm_free(socdev); + snd_soc_free_pcms(socdev); + snd_soc_free_ac97_codec(codec); + kfree(codec->reg_cache); + kfree(codec); + return 0; +} + +struct snd_soc_codec_device soc_codec_dev_wm9712 = { + .probe = wm9712_soc_probe, + .remove = wm9712_soc_remove, + .suspend = wm9712_soc_suspend, + .resume = wm9712_soc_resume, +}; + +EXPORT_SYMBOL_GPL(soc_codec_dev_wm9712); + +MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver"); +MODULE_AUTHOR("Liam Girdwood"); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/codecs/wm9712.h b/sound/soc/codecs/wm9712.h new file mode 100644 index 00000000000..719105d61e6 --- /dev/null +++ b/sound/soc/codecs/wm9712.h @@ -0,0 +1,14 @@ +/* + * wm9712.h -- WM9712 Soc Audio driver + */ + +#ifndef _WM9712_H +#define _WM9712_H + +#define WM9712_DAI_AC97_HIFI 0 +#define WM9712_DAI_AC97_AUX 1 + +extern struct snd_soc_codec_dai wm9712_dai[2]; +extern struct snd_soc_codec_device soc_codec_dev_wm9712; + +#endif |