diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/soc/codecs/wmt_vt1602.c')
| -rwxr-xr-x | ANDROID_3.4.5/sound/soc/codecs/wmt_vt1602.c | 981 |
1 files changed, 0 insertions, 981 deletions
diff --git a/ANDROID_3.4.5/sound/soc/codecs/wmt_vt1602.c b/ANDROID_3.4.5/sound/soc/codecs/wmt_vt1602.c deleted file mode 100755 index fd625c95..00000000 --- a/ANDROID_3.4.5/sound/soc/codecs/wmt_vt1602.c +++ /dev/null @@ -1,981 +0,0 @@ -/*++ - * linux/sound/soc/codecs/wmt_vt1602.c - * WonderMedia I2S audio driver for ALSA - * - * Copyright c 2010 WonderMedia Technologies, Inc. - * - * 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. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - * - * WonderMedia Technologies, Inc. - * 4F, 533, Chung-Cheng Road, Hsin-Tien, Taipei 231, R.O.C ---*/ - - -#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 <linux/slab.h> -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/soc.h> -#include <sound/soc-dapm.h> -#include <sound/initval.h> -#include <sound/tlv.h> - -#include "wmt_vt1602.h" - -#define VT1602_VERSION "0.20" -#define I2C_DRIVERID_VT1602 90 - -/* - * Debug - */ -#define AUDIO_NAME "VT1602" -//#define WMT_VT1602_DEBUG 1 -//#define WMT_VT1602_DEBUG_DETAIL 1 - -#ifdef WMT_VT1602_DEBUG -#define DPRINTK(format, arg...) \ - printk(KERN_INFO AUDIO_NAME ": " format "\n" , ## arg) -#else -#define DPRINTK(format, arg...) do {} while (0) -#endif - -#ifdef WMT_VT1602_DEBUG_DETAIL -#define DBG_DETAIL(format, arg...) \ - printk(KERN_INFO AUDIO_NAME ": [%s]" format "\n" , __FUNCTION__, ## arg) -#else -#define DBG_DETAIL(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 vt1602_priv { - unsigned int sysclk; - enum snd_soc_control_type control_type; - struct snd_pcm_substream *master_substream; - struct snd_pcm_substream *slave_substream; -}; - -/* - * vt1602 register cache - * We can't read the VT1602 register space when we - * are using 2 wire for device control, so we cache them instead. - */ -static const u16 vt1602_reg[] = { - 0x0050, 0x0050, 0x007f, 0x007f, /* 0 */ - 0x0000, 0x0008, 0x0000, 0x000a, /* 4 */ - 0x0000, 0x0000, 0x00fc, 0x00fc, /* 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, 0x0100, 0x0000, /* 32 */ - 0x0000, 0x0100, 0x0050, 0x0050, /* 36 */ - 0x0079, 0x0079, 0x0079, /* 40 */ -}; - -extern int wmt_getsyspara(char *varname, unsigned char *varval, int *varlen); - -#define vt1602_reset(c) snd_soc_write(c, VT1602_RESET, 0) - -/* - * VT1602 Controls - */ -static const char *vt1602_bass[] = {"Linear Control", "Adaptive Boost"}; -static const char *vt1602_bass_filter[] = { "130Hz @ 48kHz", "200Hz @ 48kHz" }; -static const char *vt1602_treble[] = {"8kHz", "4kHz"}; -static const char *vt1602_3d_lc[] = {"200Hz", "500Hz"}; -static const char *vt1602_3d_uc[] = {"2.2kHz", "1.5kHz"}; -static const char *vt1602_3d_func[] = {"Capture", "Playback"}; -static const char *vt1602_alc_func[] = {"Off", "Right", "Left", "Stereo"}; -static const char *vt1602_ng_type[] = {"Constant PGA Gain", - "Mute ADC Output"}; -static const char *vt1602_line_mux[] = {"Line 1", "Line 2", "Line 3", "PGA", - "Differential"}; -static const char *vt1602_pga_sel[] = {"Line 1", "Line 2", "Line 3", - "Differential"}; -static const char *vt1602_out3[] = {"VREF", "ROUT1 + Vol", "MonoOut", - "ROUT1"}; -static const char *vt1602_diff_sel[] = {"Line 1", "Line 2"}; -static const char *vt1602_adcpol[] = {"Normal", "L Invert", "R Invert", - "L + R Invert"}; -static const char *vt1602_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"}; -static const char *vt1602_mono_mux[] = {"Stereo", "Mono (Left)", - "Mono (Right)", "Digital Mono"}; - -static const struct soc_enum vt1602_enum[] = { -SOC_ENUM_SINGLE(VT1602_BASS, 7, 2, vt1602_bass), -SOC_ENUM_SINGLE(VT1602_BASS, 6, 2, vt1602_bass_filter), -SOC_ENUM_SINGLE(VT1602_TREBLE, 6, 2, vt1602_treble), -SOC_ENUM_SINGLE(VT1602_3D, 5, 2, vt1602_3d_lc), -SOC_ENUM_SINGLE(VT1602_3D, 6, 2, vt1602_3d_uc), -SOC_ENUM_SINGLE(VT1602_3D, 7, 2, vt1602_3d_func), -SOC_ENUM_SINGLE(VT1602_ALC1, 7, 4, vt1602_alc_func), -SOC_ENUM_SINGLE(VT1602_NGATE, 1, 2, vt1602_ng_type), -SOC_ENUM_SINGLE(VT1602_LOUTM1, 0, 5, vt1602_line_mux), -SOC_ENUM_SINGLE(VT1602_ROUTM1, 0, 5, vt1602_line_mux), -SOC_ENUM_SINGLE(VT1602_LADCIN, 6, 4, vt1602_pga_sel), /* 10 */ -SOC_ENUM_SINGLE(VT1602_RADCIN, 6, 4, vt1602_pga_sel), -SOC_ENUM_SINGLE(VT1602_ADCTL2, 7, 4, vt1602_out3), -SOC_ENUM_SINGLE(VT1602_ADCIN, 8, 2, vt1602_diff_sel), -SOC_ENUM_SINGLE(VT1602_ADCDAC, 5, 4, vt1602_adcpol), -SOC_ENUM_SINGLE(VT1602_ADCDAC, 1, 4, vt1602_deemph), -SOC_ENUM_SINGLE(VT1602_ADCIN, 6, 4, vt1602_mono_mux), /* 16 */ - -}; - -static const struct snd_kcontrol_new vt1602_snd_controls[] = { - -SOC_DOUBLE_R("Capture Volume", VT1602_LINVOL, VT1602_RINVOL, 0, 63, 0), -SOC_DOUBLE_R("Capture ZC Switch", VT1602_LINVOL, VT1602_RINVOL, 6, 1, 0), -SOC_DOUBLE_R("Capture Switch", VT1602_LINVOL, VT1602_RINVOL, 7, 1, 1), - -SOC_DOUBLE_R("Headphone Playback ZC Switch", VT1602_LOUT1V, - VT1602_ROUT1V, 7, 1, 0), -SOC_DOUBLE_R("Speaker Playback ZC Switch", VT1602_LOUT2V, - VT1602_ROUT2V, 7, 1, 0), - -SOC_ENUM("Playback De-emphasis", vt1602_enum[15]), - -SOC_ENUM("Capture Polarity", vt1602_enum[14]), -SOC_SINGLE("Playback 6dB Attenuate", VT1602_ADCDAC, 7, 1, 0), -SOC_SINGLE("Capture 6dB Attenuate", VT1602_ADCDAC, 8, 1, 0), - -SOC_DOUBLE_R("Master Volume", VT1602_LOUT1V, VT1602_ROUT1V, 0, 127, 0), -//SOC_DOUBLE_R("PCM Volume", VT1602_LOUT1V, VT1602_ROUT1V, 0, 127, 0), - -/* -SOC_ENUM("Bass Boost", vt1602_enum[0]), -SOC_ENUM("Bass Filter", vt1602_enum[1]), -SOC_SINGLE("Bass Volume", VT1602_BASS, 0, 15, 1), - -SOC_SINGLE("Treble Volume", VT1602_TREBLE, 0, 15, 0), -SOC_ENUM("Treble Cut-off", vt1602_enum[2]), - -SOC_SINGLE("3D Switch", VT1602_3D, 0, 1, 0), -SOC_SINGLE("3D Volume", VT1602_3D, 1, 15, 0), -SOC_ENUM("3D Lower Cut-off", vt1602_enum[3]), -SOC_ENUM("3D Upper Cut-off", vt1602_enum[4]), -SOC_ENUM("3D Mode", vt1602_enum[5]), - -SOC_SINGLE("ALC Capture Target Volume", VT1602_ALC1, 0, 7, 0), -SOC_SINGLE("ALC Capture Max Volume", VT1602_ALC1, 4, 7, 0), -SOC_ENUM("ALC Capture Function", vt1602_enum[6]), -SOC_SINGLE("ALC Capture ZC Switch", VT1602_ALC2, 7, 1, 0), -SOC_SINGLE("ALC Capture Hold Time", VT1602_ALC2, 0, 15, 0), -SOC_SINGLE("ALC Capture Decay Time", VT1602_ALC3, 4, 15, 0), -SOC_SINGLE("ALC Capture Attack Time", VT1602_ALC3, 0, 15, 0), -SOC_SINGLE("ALC Capture NG Threshold", VT1602_NGATE, 3, 31, 0), -SOC_ENUM("ALC Capture NG Type", vt1602_enum[4]), -SOC_SINGLE("ALC Capture NG Switch", VT1602_NGATE, 0, 1, 0), -*/ - -SOC_SINGLE("Left ADC Capture Volume", VT1602_LADC, 0, 255, 0), -SOC_SINGLE("Right ADC Capture Volume", VT1602_RADC, 0, 255, 0), - -SOC_SINGLE("ZC Timeout Switch", VT1602_ADCTL1, 0, 1, 0), -SOC_SINGLE("Playback Invert Switch", VT1602_ADCTL1, 1, 1, 0), - -SOC_SINGLE("Right Speaker Playback Invert Switch", VT1602_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", VT1602_LADCIN, VT1602_RADCIN, 4, 3, 0), - -SOC_DOUBLE_R("Bypass Left Playback Volume", VT1602_LOUTM1, - VT1602_LOUTM2, 4, 7, 1), -SOC_DOUBLE_R("Bypass Right Playback Volume", VT1602_ROUTM1, - VT1602_ROUTM2, 4, 7, 1), -SOC_DOUBLE_R("Bypass Mono Playback Volume", VT1602_MOUTM1, - VT1602_MOUTM2, 4, 7, 1), - -SOC_SINGLE("Mono Playback ZC Switch", VT1602_MOUTV, 7, 1, 0), - -SOC_DOUBLE_R("Headphone Playback Volume", VT1602_LOUT1V, VT1602_ROUT1V, - 0, 127, 0), -SOC_DOUBLE_R("Speaker Playback Volume", VT1602_LOUT2V, VT1602_ROUT2V, - 0, 127, 0), - -SOC_SINGLE("Mono Playback Volume", VT1602_MOUTV, 0, 127, 0), - -}; - -/* - * DAPM Controls - */ - -/* Left Mixer */ -static const struct snd_kcontrol_new vt1602_left_mixer_controls[] = { -SOC_DAPM_SINGLE("Playback Switch", VT1602_LOUTM1, 8, 1, 0), -SOC_DAPM_SINGLE("Left Bypass Switch", VT1602_LOUTM1, 7, 1, 0), -SOC_DAPM_SINGLE("Right Playback Switch", VT1602_LOUTM2, 8, 1, 0), -SOC_DAPM_SINGLE("Right Bypass Switch", VT1602_LOUTM2, 7, 1, 0), -}; - -/* Right Mixer */ -static const struct snd_kcontrol_new vt1602_right_mixer_controls[] = { -SOC_DAPM_SINGLE("Left Playback Switch", VT1602_ROUTM1, 8, 1, 0), -SOC_DAPM_SINGLE("Left Bypass Switch", VT1602_ROUTM1, 7, 1, 0), -SOC_DAPM_SINGLE("Playback Switch", VT1602_ROUTM2, 8, 1, 0), -SOC_DAPM_SINGLE("Right Bypass Switch", VT1602_ROUTM2, 7, 1, 0), -}; - -/* Mono Mixer */ -static const struct snd_kcontrol_new vt1602_mono_mixer_controls[] = { -SOC_DAPM_SINGLE("Left Playback Switch", VT1602_MOUTM1, 8, 1, 0), -SOC_DAPM_SINGLE("Left Bypass Switch", VT1602_MOUTM1, 7, 1, 0), -SOC_DAPM_SINGLE("Right Playback Switch", VT1602_MOUTM2, 8, 1, 0), -SOC_DAPM_SINGLE("Right Bypass Switch", VT1602_MOUTM2, 7, 1, 0), -}; - -/* Left Line Mux */ -static const struct snd_kcontrol_new vt1602_left_line_controls = -SOC_DAPM_ENUM("Route", vt1602_enum[8]); - -/* Right Line Mux */ -static const struct snd_kcontrol_new vt1602_right_line_controls = -SOC_DAPM_ENUM("Route", vt1602_enum[9]); - -/* Left PGA Mux */ -static const struct snd_kcontrol_new vt1602_left_pga_controls = -SOC_DAPM_ENUM("Route", vt1602_enum[10]); - -/* Right PGA Mux */ -static const struct snd_kcontrol_new vt1602_right_pga_controls = -SOC_DAPM_ENUM("Route", vt1602_enum[11]); - -/* Out 3 Mux */ -static const struct snd_kcontrol_new vt1602_out3_controls = -SOC_DAPM_ENUM("Route", vt1602_enum[12]); - -/* Differential Mux */ -static const struct snd_kcontrol_new vt1602_diffmux_controls = -SOC_DAPM_ENUM("Route", vt1602_enum[13]); - -/* Mono ADC Mux */ -static const struct snd_kcontrol_new vt1602_monomux_controls = -SOC_DAPM_ENUM("Route", vt1602_enum[16]); - -static const struct snd_soc_dapm_widget vt1602_dapm_widgets[] = { - SND_SOC_DAPM_MIXER("Left Mixer", SND_SOC_NOPM, 0, 0, - &vt1602_left_mixer_controls[0], - ARRAY_SIZE(vt1602_left_mixer_controls)), - SND_SOC_DAPM_MIXER("Right Mixer", SND_SOC_NOPM, 0, 0, - &vt1602_right_mixer_controls[0], - ARRAY_SIZE(vt1602_right_mixer_controls)), - /* - SND_SOC_DAPM_MIXER("Mono Mixer", VT1602_PWR2, 2, 0, - &vt1602_mono_mixer_controls[0], - ARRAY_SIZE(vt1602_mono_mixer_controls)), - - SND_SOC_DAPM_PGA("Right Out 2", VT1602_PWR2, 3, 0, NULL, 0), - SND_SOC_DAPM_PGA("Left Out 2", VT1602_PWR2, 4, 0, NULL, 0), - SND_SOC_DAPM_PGA("Right Out 1", VT1602_PWR2, 5, 0, NULL, 0), - SND_SOC_DAPM_PGA("Left Out 1", VT1602_PWR2, 6, 0, NULL, 0), - SND_SOC_DAPM_DAC("Right DAC", "Right Playback", VT1602_PWR2, 7, 0), - SND_SOC_DAPM_DAC("Left DAC", "Left Playback", VT1602_PWR2, 8, 0), - */ - /* - SND_SOC_DAPM_MICBIAS("Mic Bias", VT1602_PWR1, 1, 0), - SND_SOC_DAPM_ADC("Right ADC", "Right Capture", VT1602_PWR1, 2, 0), - SND_SOC_DAPM_ADC("Left ADC", "Left Capture", VT1602_PWR1, 3, 0), - - SND_SOC_DAPM_MUX("Left PGA Mux", VT1602_PWR1, 5, 0, - &vt1602_left_pga_controls), - SND_SOC_DAPM_MUX("Right PGA Mux", VT1602_PWR1, 4, 0, - &vt1602_right_pga_controls), - */ - SND_SOC_DAPM_MUX("Left Line Mux", SND_SOC_NOPM, 0, 0, - &vt1602_left_line_controls), - SND_SOC_DAPM_MUX("Right Line Mux", SND_SOC_NOPM, 0, 0, - &vt1602_right_line_controls), - - SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0, &vt1602_out3_controls), - /* - SND_SOC_DAPM_PGA("Out 3", VT1602_PWR2, 1, 0, NULL, 0), - SND_SOC_DAPM_PGA("Mono Out 1", VT1602_PWR2, 2, 0, NULL, 0), - */ - - SND_SOC_DAPM_MUX("Differential Mux", SND_SOC_NOPM, 0, 0, - &vt1602_diffmux_controls), - SND_SOC_DAPM_MUX("Left ADC Mux", SND_SOC_NOPM, 0, 0, - &vt1602_monomux_controls), - SND_SOC_DAPM_MUX("Right ADC Mux", SND_SOC_NOPM, 0, 0, - &vt1602_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("MONO1"), - SND_SOC_DAPM_OUTPUT("OUT3"), - SND_SOC_DAPM_OUTPUT("VREF"), - - 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 struct snd_soc_dapm_route audio_map[] = { - /* 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"}, -}; - -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}, - - /* 11.025k */ - {11289600, 11025, 1024, 0x18, 0x0}, - - /* 16k */ - {12288000, 16000, 768, 0xa, 0x0}, - - /* 22.05k */ - {11289600, 22050, 512, 0x1a, 0x0}, - - /* 32k */ - {12288000, 32000, 384, 0xc, 0x0}, - - /* 44.1k */ - {11289600, 44100, 256, 0x10, 0x0}, - - /* 48k */ - {12288000, 48000, 256, 0x0, 0x0}, - - /* 88.2k */ - {11289600, 88200, 128, 0x1e, 0x0}, - - /* 96k */ - {12288000, 96000, 128, 0xe, 0x0}, -}; - -static inline int get_coeff(int mclk, int rate) -{ - int i; - - DBG_DETAIL("mclk=%d, rate=%d", mclk, rate); - - 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 "vt1602: could not get coeff for mclk %d @ rate %d\n", - mclk, rate); - return -EINVAL; -} - -static int vt1602_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 iface = snd_soc_read(codec, VT1602_IFACE) & 0x1f3; - //int coeff = get_coeff(vt1602->sysclk, params_rate(params)); - - DBG_DETAIL(); - - /* 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 */ - snd_soc_write(codec, VT1602_IFACE, iface); - - return 0; -} - -static int vt1602_mute(struct snd_soc_dai *dai, int mute) -{ - struct snd_soc_codec *codec = dai->codec; - u16 mute_reg = snd_soc_read(codec, VT1602_ADCDAC) & 0xfff7; - - DBG_DETAIL(); - - if (mute) - snd_soc_write(codec, VT1602_ADCDAC, mute_reg | 0x8); - else - snd_soc_write(codec, VT1602_ADCDAC, mute_reg); - return 0; -} - -static int vt1602_set_dai_sysclk(struct snd_soc_dai *codec_dai, - int clk_id, unsigned int freq, int dir) -{ - struct snd_soc_codec *codec = codec_dai->codec; - struct vt1602_priv *vt1602 = snd_soc_codec_get_drvdata(codec); - - DBG_DETAIL(); - - switch (freq) { - case 11289600: - case 12000000: - case 12288000: - case 16934400: - case 18432000: - vt1602->sysclk = freq; - return 0; - } - return -EINVAL; -} - -static int vt1602_set_dai_fmt(struct snd_soc_dai *codec_dai, - unsigned int fmt) -{ - struct snd_soc_codec *codec = codec_dai->codec; - u16 iface = 0; - - DBG_DETAIL(); - - /* 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; - } - - snd_soc_write(codec, VT1602_IFACE, iface); - return 0; -} - -static int vt1602_set_bias_level(struct snd_soc_codec *codec, enum snd_soc_bias_level level ) -{ - DBG_DETAIL(); - - switch (level) { - case SND_SOC_BIAS_ON: - /* set vmid to 50k and unmute dac */ - break; - case SND_SOC_BIAS_PREPARE: - /* set vmid to 5k for quick power up */ - break; - case SND_SOC_BIAS_STANDBY: - /* mute dac and set vmid to 500k, enable VREF */ - break; - case SND_SOC_BIAS_OFF: - break; - } - codec->dapm.bias_level = level; - return 0; -} - -static void vt1602_work(struct work_struct *work) -{ - struct snd_soc_codec *codec = - container_of(work, struct snd_soc_codec, dapm.delayed_work.work); - - DBG_DETAIL(); - - vt1602_set_bias_level(codec, codec->dapm.bias_level); -} - -#define VT1602_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 VT1602_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ - SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_FLOAT) - -static const struct snd_soc_dai_ops vt1602_dai_ops = { - .hw_params = vt1602_pcm_hw_params, - .digital_mute = vt1602_mute, - .set_sysclk = vt1602_set_dai_sysclk, - .set_fmt = vt1602_set_dai_fmt, -}; - -struct snd_soc_dai_driver vt1602_dai = { - .name = "VT1602", - .playback = { - .stream_name = "Playback", - .channels_min = 1, - .channels_max = 2, - .rates = VT1602_RATES, - .formats = VT1602_FORMATS,}, - .capture = { - .stream_name = "Capture", - .channels_min = 1, - .channels_max = 2, - .rates = VT1602_RATES, - .formats = VT1602_FORMATS,}, - .ops = &vt1602_dai_ops, -}; - -static int vt1602_suspend(struct snd_soc_codec *codec) -{ - DBG_DETAIL(); - - vt1602_set_bias_level(codec, SND_SOC_BIAS_OFF); - return 0; -} - -static int vt1602_resume(struct snd_soc_codec *codec) -{ - DBG_DETAIL(); - - snd_soc_cache_sync(codec); - vt1602_set_bias_level(codec, SND_SOC_BIAS_STANDBY); - - /* charge vt1602 caps */ - if (codec->dapm.suspend_bias_level == SND_SOC_BIAS_ON) { - vt1602_set_bias_level(codec, SND_SOC_BIAS_PREPARE); - codec->dapm.bias_level = SND_SOC_BIAS_ON; - schedule_delayed_work(&codec->dapm.delayed_work, - msecs_to_jiffies(1000)); - } - - return 0; -} - -static int wmt_vt1602_init(struct snd_soc_codec *codec) -{ - struct snd_soc_dapm_context *dapm = &codec->dapm; - int ret, reg; - - DBG_DETAIL(); - - /* charge output caps */ - vt1602_set_bias_level(codec, SND_SOC_BIAS_PREPARE); - codec->dapm.bias_level = SND_SOC_BIAS_STANDBY; - schedule_delayed_work(&codec->dapm.delayed_work, msecs_to_jiffies(1000)); - - /* set the update bits */ - reg = snd_soc_read(codec, VT1602_LDAC); - snd_soc_write(codec, VT1602_LDAC, reg | 0x0100); - reg = snd_soc_read(codec, VT1602_RDAC); - snd_soc_write(codec, VT1602_RDAC, reg | 0x0100); - reg = snd_soc_read(codec, VT1602_LOUT1V); - snd_soc_write(codec, VT1602_LOUT1V, reg | 0x0100); - reg = snd_soc_read(codec, VT1602_ROUT1V); - snd_soc_write(codec, VT1602_ROUT1V, reg | 0x0100); - reg = snd_soc_read(codec, VT1602_LOUT2V); - snd_soc_write(codec, VT1602_LOUT2V, reg | 0x0100); - reg = snd_soc_read(codec, VT1602_ROUT2V); - snd_soc_write(codec, VT1602_ROUT2V, reg | 0x0100); - reg = snd_soc_read(codec, VT1602_LINVOL); - snd_soc_write(codec, VT1602_LINVOL, reg | 0x0100); - reg = snd_soc_read(codec, VT1602_RINVOL); - snd_soc_write(codec, VT1602_RINVOL, reg | 0x0100); - reg = snd_soc_read(codec, VT1602_LOUTM1); - snd_soc_write(codec, VT1602_LOUTM1, reg); - reg = snd_soc_read(codec, VT1602_LOUTM2); - snd_soc_write(codec, VT1602_LOUTM2, reg); - reg = snd_soc_read(codec, VT1602_ROUTM1); - snd_soc_write(codec, VT1602_ROUTM1, reg); - reg = snd_soc_read(codec, VT1602_ROUTM2); - snd_soc_write(codec, VT1602_ROUTM2, reg); - snd_soc_write(codec, VT1602_PWR1, 0x1FE); - snd_soc_write(codec, VT1602_PWR2, 0x1E0); - snd_soc_write(codec, VT1602_LADCIN, 0x020); - snd_soc_write(codec, VT1602_RADCIN, 0x020); - snd_soc_write(codec, VT1602_ADCTL3, 0x040); - - ret = snd_soc_add_codec_controls(codec, vt1602_snd_controls, - ARRAY_SIZE(vt1602_snd_controls)); - if (ret) { - info("snd_soc_add_codec_controls fail"); - return ret; - } - - ret = snd_soc_dapm_new_controls(dapm, vt1602_dapm_widgets, - ARRAY_SIZE(vt1602_dapm_widgets)); - if (ret) { - info("snd_soc_dapm_new_controls fail"); - return ret; - } - - ret = snd_soc_dapm_add_routes(dapm, audio_map, - ARRAY_SIZE(audio_map)); - if (ret) { - info("snd_soc_dapm_add_routes fail"); - return 0; - } - - return ret; -} - -static int vt1602_probe(struct snd_soc_codec *codec) -{ - struct vt1602_priv *vt1602 = snd_soc_codec_get_drvdata(codec); - int ret; - - pr_info("VT1602 Audio Codec %s\n", VT1602_VERSION); - - ret = snd_soc_codec_set_cache_io(codec, 7, 9, vt1602->control_type); - if (ret < 0) { - dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); - return ret; - } - - ret = vt1602_reset(codec); - if (ret < 0) { - dev_err(codec->dev, "Failed to issue reset: %d\n", ret); - return ret; - } - - INIT_DELAYED_WORK(&codec->dapm.delayed_work, vt1602_work); - - ret = wmt_vt1602_init(codec); - if (ret) - info("vt1602_probe fail"); - return ret; -} - -/* - * This function forces any delayed work to be queued and run. - */ -static int run_delayed_work(struct delayed_work *dwork) -{ - int ret; - - DBG_DETAIL(); - - /* 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; -} - -/* remove everything here */ -static int vt1602_remove(struct snd_soc_codec *codec) -{ - DBG_DETAIL(); - - vt1602_set_bias_level(codec, SND_SOC_BIAS_OFF); - run_delayed_work(&codec->dapm.delayed_work); - - return 0; -} - -static struct snd_soc_codec_driver soc_codec_dev_vt1602 = { - .probe = vt1602_probe, - .remove = vt1602_remove, - .suspend = vt1602_suspend, - .resume = vt1602_resume, - .set_bias_level = vt1602_set_bias_level, - .reg_cache_size = ARRAY_SIZE(vt1602_reg), - .reg_word_size = sizeof(u16), - .reg_cache_default = vt1602_reg, - - /*.controls = vt1602_snd_controls, - .num_controls = ARRAY_SIZE(vt1602_snd_controls), - .dapm_widgets = vt1602_dapm_widgets, - .num_dapm_widgets = ARRAY_SIZE(vt1602_dapm_widgets), - .dapm_routes = audio_map, - .num_dapm_routes = ARRAY_SIZE(audio_map),*/ -}; - -#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE) -static int __devinit vt1602_i2c_probe(struct i2c_client *i2c, - const struct i2c_device_id *id) -{ - struct vt1602_priv *vt1602; - int ret; - - DBG_DETAIL(); - - vt1602 = devm_kzalloc(&i2c->dev, sizeof(struct vt1602_priv), GFP_KERNEL); - if (vt1602 == NULL) { - info("vt1602_i2c_probe kzalloc fail"); - return -ENOMEM; - } - - i2c_set_clientdata(i2c, vt1602); - vt1602->control_type = SND_SOC_I2C; - - ret = snd_soc_register_codec(&i2c->dev, - &soc_codec_dev_vt1602, &vt1602_dai, 1); - - return ret; -} - -static int __devexit vt1602_i2c_remove(struct i2c_client *client) -{ - DBG_DETAIL(); - - snd_soc_unregister_codec(&client->dev); - - return 0; -} - -static const struct i2c_device_id vt1602_i2c_id[] = { - { "vt1602", 1}, - { } -}; -MODULE_DEVICE_TABLE(i2c, vt1602_i2c_id); - -/* corgi i2c codec control layer */ -static struct i2c_driver vt1602_i2c_driver = { - .driver = { - .name = "vt1602", - .owner = THIS_MODULE, - }, - .probe = vt1602_i2c_probe, - .remove = __devexit_p(vt1602_i2c_remove), - .id_table = vt1602_i2c_id, -}; -#endif - -static struct i2c_board_info __initdata wmt_vt1602_board_info[] = { - { - I2C_BOARD_INFO("vt1602", 0x1a), - }, -}; - -static int __init vt1602_modinit(void) -{ - char buf[80]; - int varlen = 80; - int ret = 0; - char codec_name[6]; - struct i2c_adapter *adapter = NULL; - - DBG_DETAIL(); - - ret = wmt_getsyspara("wmt.audio.i2s", buf, &varlen); - - if (ret == 0) { - sscanf(buf, "%6s", codec_name); - - if (strcmp(codec_name, "vt1602")) { - info("vt1602 string not found"); - return -EINVAL; - } - } - -#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) - /*i2c_register_board_info(1, wmt_vt1602_board_info, - ARRAY_SIZE(wmt_vt1602_board_info));*/ - - adapter = i2c_get_adapter(1); - if (adapter == NULL) { - err("can not get i2c adapter, client address error"); - return -ENODEV; - } - - if (i2c_new_device(adapter, wmt_vt1602_board_info) == NULL) { - err("allocate i2c client failed"); - return -ENOMEM; - } - - i2c_put_adapter(adapter); - - ret = i2c_add_driver(&vt1602_i2c_driver); - if (ret) { - info("i2c_add_driver fail"); - } -#endif - - return ret; -} -module_init(vt1602_modinit); - -static void __exit vt1602_exit(void) -{ - DBG_DETAIL(); - -#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) - i2c_del_driver(&vt1602_i2c_driver); -#endif -} -module_exit(vt1602_exit); - -MODULE_DESCRIPTION("WMT [ALSA SoC] driver"); -MODULE_AUTHOR("WonderMedia Technologies, Inc."); -MODULE_LICENSE("GPL"); |