diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/soc/codecs/uda1380.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/soc/codecs/uda1380.c | 864 |
1 files changed, 0 insertions, 864 deletions
diff --git a/ANDROID_3.4.5/sound/soc/codecs/uda1380.c b/ANDROID_3.4.5/sound/soc/codecs/uda1380.c deleted file mode 100644 index 4f1b23d7..00000000 --- a/ANDROID_3.4.5/sound/soc/codecs/uda1380.c +++ /dev/null @@ -1,864 +0,0 @@ -/* - * uda1380.c - Philips UDA1380 ALSA SoC audio driver - * - * 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. - * - * Copyright (c) 2007-2009 Philipp Zabel <philipp.zabel@gmail.com> - * - * Modified by Richard Purdie <richard@openedhand.com> to fit into SoC - * codec model. - * - * Copyright (c) 2005 Giorgio Padrin <giorgio@mandarinlogiq.org> - * Copyright 2005 Openedhand Ltd. - */ - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/slab.h> -#include <linux/errno.h> -#include <linux/gpio.h> -#include <linux/delay.h> -#include <linux/i2c.h> -#include <linux/workqueue.h> -#include <sound/core.h> -#include <sound/control.h> -#include <sound/initval.h> -#include <sound/soc.h> -#include <sound/tlv.h> -#include <sound/uda1380.h> - -#include "uda1380.h" - -/* codec private data */ -struct uda1380_priv { - struct snd_soc_codec *codec; - unsigned int dac_clk; - struct work_struct work; - void *control_data; -}; - -/* - * uda1380 register cache - */ -static const u16 uda1380_reg[UDA1380_CACHEREGNUM] = { - 0x0502, 0x0000, 0x0000, 0x3f3f, - 0x0202, 0x0000, 0x0000, 0x0000, - 0x0000, 0x0000, 0x0000, 0x0000, - 0x0000, 0x0000, 0x0000, 0x0000, - 0x0000, 0xff00, 0x0000, 0x4800, - 0x0000, 0x0000, 0x0000, 0x0000, - 0x0000, 0x0000, 0x0000, 0x0000, - 0x0000, 0x0000, 0x0000, 0x0000, - 0x0000, 0x8000, 0x0002, 0x0000, -}; - -static unsigned long uda1380_cache_dirty; - -/* - * read uda1380 register cache - */ -static inline unsigned int uda1380_read_reg_cache(struct snd_soc_codec *codec, - unsigned int reg) -{ - u16 *cache = codec->reg_cache; - if (reg == UDA1380_RESET) - return 0; - if (reg >= UDA1380_CACHEREGNUM) - return -1; - return cache[reg]; -} - -/* - * write uda1380 register cache - */ -static inline void uda1380_write_reg_cache(struct snd_soc_codec *codec, - u16 reg, unsigned int value) -{ - u16 *cache = codec->reg_cache; - - if (reg >= UDA1380_CACHEREGNUM) - return; - if ((reg >= 0x10) && (cache[reg] != value)) - set_bit(reg - 0x10, &uda1380_cache_dirty); - cache[reg] = value; -} - -/* - * write to the UDA1380 register space - */ -static int uda1380_write(struct snd_soc_codec *codec, unsigned int reg, - unsigned int value) -{ - u8 data[3]; - - /* data is - * data[0] is register offset - * data[1] is MS byte - * data[2] is LS byte - */ - data[0] = reg; - data[1] = (value & 0xff00) >> 8; - data[2] = value & 0x00ff; - - uda1380_write_reg_cache(codec, reg, value); - - /* the interpolator & decimator regs must only be written when the - * codec DAI is active. - */ - if (!codec->active && (reg >= UDA1380_MVOL)) - return 0; - pr_debug("uda1380: hw write %x val %x\n", reg, value); - if (codec->hw_write(codec->control_data, data, 3) == 3) { - unsigned int val; - i2c_master_send(codec->control_data, data, 1); - i2c_master_recv(codec->control_data, data, 2); - val = (data[0]<<8) | data[1]; - if (val != value) { - pr_debug("uda1380: READ BACK VAL %x\n", - (data[0]<<8) | data[1]); - return -EIO; - } - if (reg >= 0x10) - clear_bit(reg - 0x10, &uda1380_cache_dirty); - return 0; - } else - return -EIO; -} - -static void uda1380_sync_cache(struct snd_soc_codec *codec) -{ - int reg; - u8 data[3]; - u16 *cache = codec->reg_cache; - - /* Sync reg_cache with the hardware */ - for (reg = 0; reg < UDA1380_MVOL; reg++) { - data[0] = reg; - data[1] = (cache[reg] & 0xff00) >> 8; - data[2] = cache[reg] & 0x00ff; - if (codec->hw_write(codec->control_data, data, 3) != 3) - dev_err(codec->dev, "%s: write to reg 0x%x failed\n", - __func__, reg); - } -} - -static int uda1380_reset(struct snd_soc_codec *codec) -{ - struct uda1380_platform_data *pdata = codec->dev->platform_data; - - if (gpio_is_valid(pdata->gpio_reset)) { - gpio_set_value(pdata->gpio_reset, 1); - mdelay(1); - gpio_set_value(pdata->gpio_reset, 0); - } else { - u8 data[3]; - - data[0] = UDA1380_RESET; - data[1] = 0; - data[2] = 0; - - if (codec->hw_write(codec->control_data, data, 3) != 3) { - dev_err(codec->dev, "%s: failed\n", __func__); - return -EIO; - } - } - - return 0; -} - -static void uda1380_flush_work(struct work_struct *work) -{ - struct uda1380_priv *uda1380 = container_of(work, struct uda1380_priv, work); - struct snd_soc_codec *uda1380_codec = uda1380->codec; - int bit, reg; - - for_each_set_bit(bit, &uda1380_cache_dirty, UDA1380_CACHEREGNUM - 0x10) { - reg = 0x10 + bit; - pr_debug("uda1380: flush reg %x val %x:\n", reg, - uda1380_read_reg_cache(uda1380_codec, reg)); - uda1380_write(uda1380_codec, reg, - uda1380_read_reg_cache(uda1380_codec, reg)); - clear_bit(bit, &uda1380_cache_dirty); - } - -} - -/* declarations of ALSA reg_elem_REAL controls */ -static const char *uda1380_deemp[] = { - "None", - "32kHz", - "44.1kHz", - "48kHz", - "96kHz", -}; -static const char *uda1380_input_sel[] = { - "Line", - "Mic + Line R", - "Line L", - "Mic", -}; -static const char *uda1380_output_sel[] = { - "DAC", - "Analog Mixer", -}; -static const char *uda1380_spf_mode[] = { - "Flat", - "Minimum1", - "Minimum2", - "Maximum" -}; -static const char *uda1380_capture_sel[] = { - "ADC", - "Digital Mixer" -}; -static const char *uda1380_sel_ns[] = { - "3rd-order", - "5th-order" -}; -static const char *uda1380_mix_control[] = { - "off", - "PCM only", - "before sound processing", - "after sound processing" -}; -static const char *uda1380_sdet_setting[] = { - "3200", - "4800", - "9600", - "19200" -}; -static const char *uda1380_os_setting[] = { - "single-speed", - "double-speed (no mixing)", - "quad-speed (no mixing)" -}; - -static const struct soc_enum uda1380_deemp_enum[] = { - SOC_ENUM_SINGLE(UDA1380_DEEMP, 8, 5, uda1380_deemp), - SOC_ENUM_SINGLE(UDA1380_DEEMP, 0, 5, uda1380_deemp), -}; -static const struct soc_enum uda1380_input_sel_enum = - SOC_ENUM_SINGLE(UDA1380_ADC, 2, 4, uda1380_input_sel); /* SEL_MIC, SEL_LNA */ -static const struct soc_enum uda1380_output_sel_enum = - SOC_ENUM_SINGLE(UDA1380_PM, 7, 2, uda1380_output_sel); /* R02_EN_AVC */ -static const struct soc_enum uda1380_spf_enum = - SOC_ENUM_SINGLE(UDA1380_MODE, 14, 4, uda1380_spf_mode); /* M */ -static const struct soc_enum uda1380_capture_sel_enum = - SOC_ENUM_SINGLE(UDA1380_IFACE, 6, 2, uda1380_capture_sel); /* SEL_SOURCE */ -static const struct soc_enum uda1380_sel_ns_enum = - SOC_ENUM_SINGLE(UDA1380_MIXER, 14, 2, uda1380_sel_ns); /* SEL_NS */ -static const struct soc_enum uda1380_mix_enum = - SOC_ENUM_SINGLE(UDA1380_MIXER, 12, 4, uda1380_mix_control); /* MIX, MIX_POS */ -static const struct soc_enum uda1380_sdet_enum = - SOC_ENUM_SINGLE(UDA1380_MIXER, 4, 4, uda1380_sdet_setting); /* SD_VALUE */ -static const struct soc_enum uda1380_os_enum = - SOC_ENUM_SINGLE(UDA1380_MIXER, 0, 3, uda1380_os_setting); /* OS */ - -/* - * from -48 dB in 1.5 dB steps (mute instead of -49.5 dB) - */ -static DECLARE_TLV_DB_SCALE(amix_tlv, -4950, 150, 1); - -/* - * from -78 dB in 1 dB steps (3 dB steps, really. LSB are ignored), - * from -66 dB in 0.5 dB steps (2 dB steps, really) and - * from -52 dB in 0.25 dB steps - */ -static const unsigned int mvol_tlv[] = { - TLV_DB_RANGE_HEAD(3), - 0, 15, TLV_DB_SCALE_ITEM(-8200, 100, 1), - 16, 43, TLV_DB_SCALE_ITEM(-6600, 50, 0), - 44, 252, TLV_DB_SCALE_ITEM(-5200, 25, 0), -}; - -/* - * from -72 dB in 1.5 dB steps (6 dB steps really), - * from -66 dB in 0.75 dB steps (3 dB steps really), - * from -60 dB in 0.5 dB steps (2 dB steps really) and - * from -46 dB in 0.25 dB steps - */ -static const unsigned int vc_tlv[] = { - TLV_DB_RANGE_HEAD(4), - 0, 7, TLV_DB_SCALE_ITEM(-7800, 150, 1), - 8, 15, TLV_DB_SCALE_ITEM(-6600, 75, 0), - 16, 43, TLV_DB_SCALE_ITEM(-6000, 50, 0), - 44, 228, TLV_DB_SCALE_ITEM(-4600, 25, 0), -}; - -/* from 0 to 6 dB in 2 dB steps if SPF mode != flat */ -static DECLARE_TLV_DB_SCALE(tr_tlv, 0, 200, 0); - -/* from 0 to 24 dB in 2 dB steps, if SPF mode == maximum, otherwise cuts - * off at 18 dB max) */ -static DECLARE_TLV_DB_SCALE(bb_tlv, 0, 200, 0); - -/* from -63 to 24 dB in 0.5 dB steps (-128...48) */ -static DECLARE_TLV_DB_SCALE(dec_tlv, -6400, 50, 1); - -/* from 0 to 24 dB in 3 dB steps */ -static DECLARE_TLV_DB_SCALE(pga_tlv, 0, 300, 0); - -/* from 0 to 30 dB in 2 dB steps */ -static DECLARE_TLV_DB_SCALE(vga_tlv, 0, 200, 0); - -static const struct snd_kcontrol_new uda1380_snd_controls[] = { - SOC_DOUBLE_TLV("Analog Mixer Volume", UDA1380_AMIX, 0, 8, 44, 1, amix_tlv), /* AVCR, AVCL */ - SOC_DOUBLE_TLV("Master Playback Volume", UDA1380_MVOL, 0, 8, 252, 1, mvol_tlv), /* MVCL, MVCR */ - SOC_SINGLE_TLV("ADC Playback Volume", UDA1380_MIXVOL, 8, 228, 1, vc_tlv), /* VC2 */ - SOC_SINGLE_TLV("PCM Playback Volume", UDA1380_MIXVOL, 0, 228, 1, vc_tlv), /* VC1 */ - SOC_ENUM("Sound Processing Filter", uda1380_spf_enum), /* M */ - SOC_DOUBLE_TLV("Tone Control - Treble", UDA1380_MODE, 4, 12, 3, 0, tr_tlv), /* TRL, TRR */ - SOC_DOUBLE_TLV("Tone Control - Bass", UDA1380_MODE, 0, 8, 15, 0, bb_tlv), /* BBL, BBR */ -/**/ SOC_SINGLE("Master Playback Switch", UDA1380_DEEMP, 14, 1, 1), /* MTM */ - SOC_SINGLE("ADC Playback Switch", UDA1380_DEEMP, 11, 1, 1), /* MT2 from decimation filter */ - SOC_ENUM("ADC Playback De-emphasis", uda1380_deemp_enum[0]), /* DE2 */ - SOC_SINGLE("PCM Playback Switch", UDA1380_DEEMP, 3, 1, 1), /* MT1, from digital data input */ - SOC_ENUM("PCM Playback De-emphasis", uda1380_deemp_enum[1]), /* DE1 */ - SOC_SINGLE("DAC Polarity inverting Switch", UDA1380_MIXER, 15, 1, 0), /* DA_POL_INV */ - SOC_ENUM("Noise Shaper", uda1380_sel_ns_enum), /* SEL_NS */ - SOC_ENUM("Digital Mixer Signal Control", uda1380_mix_enum), /* MIX_POS, MIX */ - SOC_SINGLE("Silence Detector Switch", UDA1380_MIXER, 6, 1, 0), /* SDET_ON */ - SOC_ENUM("Silence Detector Setting", uda1380_sdet_enum), /* SD_VALUE */ - SOC_ENUM("Oversampling Input", uda1380_os_enum), /* OS */ - SOC_DOUBLE_S8_TLV("ADC Capture Volume", UDA1380_DEC, -128, 48, dec_tlv), /* ML_DEC, MR_DEC */ -/**/ SOC_SINGLE("ADC Capture Switch", UDA1380_PGA, 15, 1, 1), /* MT_ADC */ - SOC_DOUBLE_TLV("Line Capture Volume", UDA1380_PGA, 0, 8, 8, 0, pga_tlv), /* PGA_GAINCTRLL, PGA_GAINCTRLR */ - SOC_SINGLE("ADC Polarity inverting Switch", UDA1380_ADC, 12, 1, 0), /* ADCPOL_INV */ - SOC_SINGLE_TLV("Mic Capture Volume", UDA1380_ADC, 8, 15, 0, vga_tlv), /* VGA_CTRL */ - SOC_SINGLE("DC Filter Bypass Switch", UDA1380_ADC, 1, 1, 0), /* SKIP_DCFIL (before decimator) */ - SOC_SINGLE("DC Filter Enable Switch", UDA1380_ADC, 0, 1, 0), /* EN_DCFIL (at output of decimator) */ - SOC_SINGLE("AGC Timing", UDA1380_AGC, 8, 7, 0), /* TODO: enum, see table 62 */ - SOC_SINGLE("AGC Target level", UDA1380_AGC, 2, 3, 1), /* AGC_LEVEL */ - /* -5.5, -8, -11.5, -14 dBFS */ - SOC_SINGLE("AGC Switch", UDA1380_AGC, 0, 1, 0), -}; - -/* Input mux */ -static const struct snd_kcontrol_new uda1380_input_mux_control = - SOC_DAPM_ENUM("Route", uda1380_input_sel_enum); - -/* Output mux */ -static const struct snd_kcontrol_new uda1380_output_mux_control = - SOC_DAPM_ENUM("Route", uda1380_output_sel_enum); - -/* Capture mux */ -static const struct snd_kcontrol_new uda1380_capture_mux_control = - SOC_DAPM_ENUM("Route", uda1380_capture_sel_enum); - - -static const struct snd_soc_dapm_widget uda1380_dapm_widgets[] = { - SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0, - &uda1380_input_mux_control), - SND_SOC_DAPM_MUX("Output Mux", SND_SOC_NOPM, 0, 0, - &uda1380_output_mux_control), - SND_SOC_DAPM_MUX("Capture Mux", SND_SOC_NOPM, 0, 0, - &uda1380_capture_mux_control), - SND_SOC_DAPM_PGA("Left PGA", UDA1380_PM, 3, 0, NULL, 0), - SND_SOC_DAPM_PGA("Right PGA", UDA1380_PM, 1, 0, NULL, 0), - SND_SOC_DAPM_PGA("Mic LNA", UDA1380_PM, 4, 0, NULL, 0), - SND_SOC_DAPM_ADC("Left ADC", "Left Capture", UDA1380_PM, 2, 0), - SND_SOC_DAPM_ADC("Right ADC", "Right Capture", UDA1380_PM, 0, 0), - SND_SOC_DAPM_INPUT("VINM"), - SND_SOC_DAPM_INPUT("VINL"), - SND_SOC_DAPM_INPUT("VINR"), - SND_SOC_DAPM_MIXER("Analog Mixer", UDA1380_PM, 6, 0, NULL, 0), - SND_SOC_DAPM_OUTPUT("VOUTLHP"), - SND_SOC_DAPM_OUTPUT("VOUTRHP"), - SND_SOC_DAPM_OUTPUT("VOUTL"), - SND_SOC_DAPM_OUTPUT("VOUTR"), - SND_SOC_DAPM_DAC("DAC", "Playback", UDA1380_PM, 10, 0), - SND_SOC_DAPM_PGA("HeadPhone Driver", UDA1380_PM, 13, 0, NULL, 0), -}; - -static const struct snd_soc_dapm_route uda1380_dapm_routes[] = { - - /* output mux */ - {"HeadPhone Driver", NULL, "Output Mux"}, - {"VOUTR", NULL, "Output Mux"}, - {"VOUTL", NULL, "Output Mux"}, - - {"Analog Mixer", NULL, "VINR"}, - {"Analog Mixer", NULL, "VINL"}, - {"Analog Mixer", NULL, "DAC"}, - - {"Output Mux", "DAC", "DAC"}, - {"Output Mux", "Analog Mixer", "Analog Mixer"}, - - /* {"DAC", "Digital Mixer", "I2S" } */ - - /* headphone driver */ - {"VOUTLHP", NULL, "HeadPhone Driver"}, - {"VOUTRHP", NULL, "HeadPhone Driver"}, - - /* input mux */ - {"Left ADC", NULL, "Input Mux"}, - {"Input Mux", "Mic", "Mic LNA"}, - {"Input Mux", "Mic + Line R", "Mic LNA"}, - {"Input Mux", "Line L", "Left PGA"}, - {"Input Mux", "Line", "Left PGA"}, - - /* right input */ - {"Right ADC", "Mic + Line R", "Right PGA"}, - {"Right ADC", "Line", "Right PGA"}, - - /* inputs */ - {"Mic LNA", NULL, "VINM"}, - {"Left PGA", NULL, "VINL"}, - {"Right PGA", NULL, "VINR"}, -}; - -static int uda1380_set_dai_fmt_both(struct snd_soc_dai *codec_dai, - unsigned int fmt) -{ - struct snd_soc_codec *codec = codec_dai->codec; - int iface; - - /* set up DAI based upon fmt */ - iface = uda1380_read_reg_cache(codec, UDA1380_IFACE); - iface &= ~(R01_SFORI_MASK | R01_SIM | R01_SFORO_MASK); - - switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { - case SND_SOC_DAIFMT_I2S: - iface |= R01_SFORI_I2S | R01_SFORO_I2S; - break; - case SND_SOC_DAIFMT_LSB: - iface |= R01_SFORI_LSB16 | R01_SFORO_LSB16; - break; - case SND_SOC_DAIFMT_MSB: - iface |= R01_SFORI_MSB | R01_SFORO_MSB; - } - - /* DATAI is slave only, so in single-link mode, this has to be slave */ - if ((fmt & SND_SOC_DAIFMT_MASTER_MASK) != SND_SOC_DAIFMT_CBS_CFS) - return -EINVAL; - - uda1380_write(codec, UDA1380_IFACE, iface); - - return 0; -} - -static int uda1380_set_dai_fmt_playback(struct snd_soc_dai *codec_dai, - unsigned int fmt) -{ - struct snd_soc_codec *codec = codec_dai->codec; - int iface; - - /* set up DAI based upon fmt */ - iface = uda1380_read_reg_cache(codec, UDA1380_IFACE); - iface &= ~R01_SFORI_MASK; - - switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { - case SND_SOC_DAIFMT_I2S: - iface |= R01_SFORI_I2S; - break; - case SND_SOC_DAIFMT_LSB: - iface |= R01_SFORI_LSB16; - break; - case SND_SOC_DAIFMT_MSB: - iface |= R01_SFORI_MSB; - } - - /* DATAI is slave only, so this has to be slave */ - if ((fmt & SND_SOC_DAIFMT_MASTER_MASK) != SND_SOC_DAIFMT_CBS_CFS) - return -EINVAL; - - uda1380_write(codec, UDA1380_IFACE, iface); - - return 0; -} - -static int uda1380_set_dai_fmt_capture(struct snd_soc_dai *codec_dai, - unsigned int fmt) -{ - struct snd_soc_codec *codec = codec_dai->codec; - int iface; - - /* set up DAI based upon fmt */ - iface = uda1380_read_reg_cache(codec, UDA1380_IFACE); - iface &= ~(R01_SIM | R01_SFORO_MASK); - - switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { - case SND_SOC_DAIFMT_I2S: - iface |= R01_SFORO_I2S; - break; - case SND_SOC_DAIFMT_LSB: - iface |= R01_SFORO_LSB16; - break; - case SND_SOC_DAIFMT_MSB: - iface |= R01_SFORO_MSB; - } - - if ((fmt & SND_SOC_DAIFMT_MASTER_MASK) == SND_SOC_DAIFMT_CBM_CFM) - iface |= R01_SIM; - - uda1380_write(codec, UDA1380_IFACE, iface); - - return 0; -} - -static int uda1380_trigger(struct snd_pcm_substream *substream, int cmd, - struct snd_soc_dai *dai) -{ - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_codec *codec = rtd->codec; - struct uda1380_priv *uda1380 = snd_soc_codec_get_drvdata(codec); - int mixer = uda1380_read_reg_cache(codec, UDA1380_MIXER); - - switch (cmd) { - case SNDRV_PCM_TRIGGER_START: - case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - uda1380_write_reg_cache(codec, UDA1380_MIXER, - mixer & ~R14_SILENCE); - schedule_work(&uda1380->work); - break; - case SNDRV_PCM_TRIGGER_STOP: - case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - uda1380_write_reg_cache(codec, UDA1380_MIXER, - mixer | R14_SILENCE); - schedule_work(&uda1380->work); - break; - } - return 0; -} - -static int uda1380_pcm_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params, - struct snd_soc_dai *dai) -{ - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_codec *codec = rtd->codec; - u16 clk = uda1380_read_reg_cache(codec, UDA1380_CLK); - - /* set WSPLL power and divider if running from this clock */ - if (clk & R00_DAC_CLK) { - int rate = params_rate(params); - u16 pm = uda1380_read_reg_cache(codec, UDA1380_PM); - clk &= ~0x3; /* clear SEL_LOOP_DIV */ - switch (rate) { - case 6250 ... 12500: - clk |= 0x0; - break; - case 12501 ... 25000: - clk |= 0x1; - break; - case 25001 ... 50000: - clk |= 0x2; - break; - case 50001 ... 100000: - clk |= 0x3; - break; - } - uda1380_write(codec, UDA1380_PM, R02_PON_PLL | pm); - } - - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - clk |= R00_EN_DAC | R00_EN_INT; - else - clk |= R00_EN_ADC | R00_EN_DEC; - - uda1380_write(codec, UDA1380_CLK, clk); - return 0; -} - -static void uda1380_pcm_shutdown(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) -{ - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_codec *codec = rtd->codec; - u16 clk = uda1380_read_reg_cache(codec, UDA1380_CLK); - - /* shut down WSPLL power if running from this clock */ - if (clk & R00_DAC_CLK) { - u16 pm = uda1380_read_reg_cache(codec, UDA1380_PM); - uda1380_write(codec, UDA1380_PM, ~R02_PON_PLL & pm); - } - - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - clk &= ~(R00_EN_DAC | R00_EN_INT); - else - clk &= ~(R00_EN_ADC | R00_EN_DEC); - - uda1380_write(codec, UDA1380_CLK, clk); -} - -static int uda1380_set_bias_level(struct snd_soc_codec *codec, - enum snd_soc_bias_level level) -{ - int pm = uda1380_read_reg_cache(codec, UDA1380_PM); - int reg; - struct uda1380_platform_data *pdata = codec->dev->platform_data; - - if (codec->dapm.bias_level == level) - return 0; - - switch (level) { - case SND_SOC_BIAS_ON: - case SND_SOC_BIAS_PREPARE: - /* ADC, DAC on */ - uda1380_write(codec, UDA1380_PM, R02_PON_BIAS | pm); - break; - case SND_SOC_BIAS_STANDBY: - if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { - if (gpio_is_valid(pdata->gpio_power)) { - gpio_set_value(pdata->gpio_power, 1); - mdelay(1); - uda1380_reset(codec); - } - - uda1380_sync_cache(codec); - } - uda1380_write(codec, UDA1380_PM, 0x0); - break; - case SND_SOC_BIAS_OFF: - if (!gpio_is_valid(pdata->gpio_power)) - break; - - gpio_set_value(pdata->gpio_power, 0); - - /* Mark mixer regs cache dirty to sync them with - * codec regs on power on. - */ - for (reg = UDA1380_MVOL; reg < UDA1380_CACHEREGNUM; reg++) - set_bit(reg - 0x10, &uda1380_cache_dirty); - } - codec->dapm.bias_level = level; - return 0; -} - -#define UDA1380_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) - -static const struct snd_soc_dai_ops uda1380_dai_ops = { - .hw_params = uda1380_pcm_hw_params, - .shutdown = uda1380_pcm_shutdown, - .trigger = uda1380_trigger, - .set_fmt = uda1380_set_dai_fmt_both, -}; - -static const struct snd_soc_dai_ops uda1380_dai_ops_playback = { - .hw_params = uda1380_pcm_hw_params, - .shutdown = uda1380_pcm_shutdown, - .trigger = uda1380_trigger, - .set_fmt = uda1380_set_dai_fmt_playback, -}; - -static const struct snd_soc_dai_ops uda1380_dai_ops_capture = { - .hw_params = uda1380_pcm_hw_params, - .shutdown = uda1380_pcm_shutdown, - .trigger = uda1380_trigger, - .set_fmt = uda1380_set_dai_fmt_capture, -}; - -static struct snd_soc_dai_driver uda1380_dai[] = { -{ - .name = "uda1380-hifi", - .playback = { - .stream_name = "Playback", - .channels_min = 1, - .channels_max = 2, - .rates = UDA1380_RATES, - .formats = SNDRV_PCM_FMTBIT_S16_LE,}, - .capture = { - .stream_name = "Capture", - .channels_min = 1, - .channels_max = 2, - .rates = UDA1380_RATES, - .formats = SNDRV_PCM_FMTBIT_S16_LE,}, - .ops = &uda1380_dai_ops, -}, -{ /* playback only - dual interface */ - .name = "uda1380-hifi-playback", - .playback = { - .stream_name = "Playback", - .channels_min = 1, - .channels_max = 2, - .rates = UDA1380_RATES, - .formats = SNDRV_PCM_FMTBIT_S16_LE, - }, - .ops = &uda1380_dai_ops_playback, -}, -{ /* capture only - dual interface*/ - .name = "uda1380-hifi-capture", - .capture = { - .stream_name = "Capture", - .channels_min = 1, - .channels_max = 2, - .rates = UDA1380_RATES, - .formats = SNDRV_PCM_FMTBIT_S16_LE, - }, - .ops = &uda1380_dai_ops_capture, -}, -}; - -static int uda1380_suspend(struct snd_soc_codec *codec) -{ - uda1380_set_bias_level(codec, SND_SOC_BIAS_OFF); - return 0; -} - -static int uda1380_resume(struct snd_soc_codec *codec) -{ - uda1380_set_bias_level(codec, SND_SOC_BIAS_STANDBY); - return 0; -} - -static int uda1380_probe(struct snd_soc_codec *codec) -{ - struct uda1380_platform_data *pdata =codec->dev->platform_data; - struct uda1380_priv *uda1380 = snd_soc_codec_get_drvdata(codec); - int ret; - - uda1380->codec = codec; - - codec->hw_write = (hw_write_t)i2c_master_send; - codec->control_data = uda1380->control_data; - - if (!pdata) - return -EINVAL; - - if (gpio_is_valid(pdata->gpio_reset)) { - ret = gpio_request_one(pdata->gpio_reset, GPIOF_OUT_INIT_LOW, - "uda1380 reset"); - if (ret) - goto err_out; - } - - if (gpio_is_valid(pdata->gpio_power)) { - ret = gpio_request_one(pdata->gpio_power, GPIOF_OUT_INIT_LOW, - "uda1380 power"); - if (ret) - goto err_free_gpio; - } else { - ret = uda1380_reset(codec); - if (ret) - goto err_free_gpio; - } - - INIT_WORK(&uda1380->work, uda1380_flush_work); - - /* power on device */ - uda1380_set_bias_level(codec, SND_SOC_BIAS_STANDBY); - /* set clock input */ - switch (pdata->dac_clk) { - case UDA1380_DAC_CLK_SYSCLK: - uda1380_write_reg_cache(codec, UDA1380_CLK, 0); - break; - case UDA1380_DAC_CLK_WSPLL: - uda1380_write_reg_cache(codec, UDA1380_CLK, - R00_DAC_CLK); - break; - } - - return 0; - -err_free_gpio: - if (gpio_is_valid(pdata->gpio_reset)) - gpio_free(pdata->gpio_reset); -err_out: - return ret; -} - -/* power down chip */ -static int uda1380_remove(struct snd_soc_codec *codec) -{ - struct uda1380_platform_data *pdata =codec->dev->platform_data; - - uda1380_set_bias_level(codec, SND_SOC_BIAS_OFF); - - gpio_free(pdata->gpio_reset); - gpio_free(pdata->gpio_power); - - return 0; -} - -static struct snd_soc_codec_driver soc_codec_dev_uda1380 = { - .probe = uda1380_probe, - .remove = uda1380_remove, - .suspend = uda1380_suspend, - .resume = uda1380_resume, - .read = uda1380_read_reg_cache, - .write = uda1380_write, - .set_bias_level = uda1380_set_bias_level, - .reg_cache_size = ARRAY_SIZE(uda1380_reg), - .reg_word_size = sizeof(u16), - .reg_cache_default = uda1380_reg, - .reg_cache_step = 1, - - .controls = uda1380_snd_controls, - .num_controls = ARRAY_SIZE(uda1380_snd_controls), - .dapm_widgets = uda1380_dapm_widgets, - .num_dapm_widgets = ARRAY_SIZE(uda1380_dapm_widgets), - .dapm_routes = uda1380_dapm_routes, - .num_dapm_routes = ARRAY_SIZE(uda1380_dapm_routes), -}; - -#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) -static __devinit int uda1380_i2c_probe(struct i2c_client *i2c, - const struct i2c_device_id *id) -{ - struct uda1380_priv *uda1380; - int ret; - - uda1380 = devm_kzalloc(&i2c->dev, sizeof(struct uda1380_priv), - GFP_KERNEL); - if (uda1380 == NULL) - return -ENOMEM; - - i2c_set_clientdata(i2c, uda1380); - uda1380->control_data = i2c; - - ret = snd_soc_register_codec(&i2c->dev, - &soc_codec_dev_uda1380, uda1380_dai, ARRAY_SIZE(uda1380_dai)); - return ret; -} - -static int __devexit uda1380_i2c_remove(struct i2c_client *i2c) -{ - snd_soc_unregister_codec(&i2c->dev); - return 0; -} - -static const struct i2c_device_id uda1380_i2c_id[] = { - { "uda1380", 0 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, uda1380_i2c_id); - -static struct i2c_driver uda1380_i2c_driver = { - .driver = { - .name = "uda1380-codec", - .owner = THIS_MODULE, - }, - .probe = uda1380_i2c_probe, - .remove = __devexit_p(uda1380_i2c_remove), - .id_table = uda1380_i2c_id, -}; -#endif - -static int __init uda1380_modinit(void) -{ - int ret = 0; -#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) - ret = i2c_add_driver(&uda1380_i2c_driver); - if (ret != 0) - pr_err("Failed to register UDA1380 I2C driver: %d\n", ret); -#endif - return ret; -} -module_init(uda1380_modinit); - -static void __exit uda1380_exit(void) -{ -#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) - i2c_del_driver(&uda1380_i2c_driver); -#endif -} -module_exit(uda1380_exit); - -MODULE_AUTHOR("Giorgio Padrin"); -MODULE_DESCRIPTION("Audio support for codec Philips UDA1380"); -MODULE_LICENSE("GPL"); |