summaryrefslogtreecommitdiff
path: root/ANDROID_3.4.5/sound/soc/codecs/sta32x.c
diff options
context:
space:
mode:
Diffstat (limited to 'ANDROID_3.4.5/sound/soc/codecs/sta32x.c')
-rw-r--r--ANDROID_3.4.5/sound/soc/codecs/sta32x.c1024
1 files changed, 0 insertions, 1024 deletions
diff --git a/ANDROID_3.4.5/sound/soc/codecs/sta32x.c b/ANDROID_3.4.5/sound/soc/codecs/sta32x.c
deleted file mode 100644
index 7db6fa51..00000000
--- a/ANDROID_3.4.5/sound/soc/codecs/sta32x.c
+++ /dev/null
@@ -1,1024 +0,0 @@
-/*
- * Codec driver for ST STA32x 2.1-channel high-efficiency digital audio system
- *
- * Copyright: 2011 Raumfeld GmbH
- * Author: Johannes Stezenbach <js@sig21.net>
- *
- * based on code from:
- * Wolfson Microelectronics PLC.
- * Mark Brown <broonie@opensource.wolfsonmicro.com>
- * Freescale Semiconductor, Inc.
- * Timur Tabi <timur@freescale.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.
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ":%s:%d: " fmt, __func__, __LINE__
-
-#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/regulator/consumer.h>
-#include <linux/slab.h>
-#include <linux/workqueue.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 <sound/sta32x.h>
-#include "sta32x.h"
-
-#define STA32X_RATES (SNDRV_PCM_RATE_32000 | \
- SNDRV_PCM_RATE_44100 | \
- SNDRV_PCM_RATE_48000 | \
- SNDRV_PCM_RATE_88200 | \
- SNDRV_PCM_RATE_96000 | \
- SNDRV_PCM_RATE_176400 | \
- SNDRV_PCM_RATE_192000)
-
-#define STA32X_FORMATS \
- (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE | \
- SNDRV_PCM_FMTBIT_S18_3LE | SNDRV_PCM_FMTBIT_S18_3BE | \
- SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S20_3BE | \
- SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE | \
- SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE | \
- SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE)
-
-/* Power-up register defaults */
-static const u8 sta32x_regs[STA32X_REGISTER_COUNT] = {
- 0x63, 0x80, 0xc2, 0x40, 0xc2, 0x5c, 0x10, 0xff, 0x60, 0x60,
- 0x60, 0x80, 0x00, 0x00, 0x00, 0x40, 0x80, 0x77, 0x6a, 0x69,
- 0x6a, 0x69, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2d,
- 0xc0, 0xf3, 0x33, 0x00, 0x0c,
-};
-
-/* regulator power supply names */
-static const char *sta32x_supply_names[] = {
- "Vdda", /* analog supply, 3.3VV */
- "Vdd3", /* digital supply, 3.3V */
- "Vcc" /* power amp spply, 10V - 36V */
-};
-
-/* codec private data */
-struct sta32x_priv {
- struct regulator_bulk_data supplies[ARRAY_SIZE(sta32x_supply_names)];
- struct snd_soc_codec *codec;
- struct sta32x_platform_data *pdata;
-
- unsigned int mclk;
- unsigned int format;
-
- u32 coef_shadow[STA32X_COEF_COUNT];
- struct delayed_work watchdog_work;
- int shutdown;
-};
-
-static const DECLARE_TLV_DB_SCALE(mvol_tlv, -12700, 50, 1);
-static const DECLARE_TLV_DB_SCALE(chvol_tlv, -7950, 50, 1);
-static const DECLARE_TLV_DB_SCALE(tone_tlv, -120, 200, 0);
-
-static const char *sta32x_drc_ac[] = {
- "Anti-Clipping", "Dynamic Range Compression" };
-static const char *sta32x_auto_eq_mode[] = {
- "User", "Preset", "Loudness" };
-static const char *sta32x_auto_gc_mode[] = {
- "User", "AC no clipping", "AC limited clipping (10%)",
- "DRC nighttime listening mode" };
-static const char *sta32x_auto_xo_mode[] = {
- "User", "80Hz", "100Hz", "120Hz", "140Hz", "160Hz", "180Hz", "200Hz",
- "220Hz", "240Hz", "260Hz", "280Hz", "300Hz", "320Hz", "340Hz", "360Hz" };
-static const char *sta32x_preset_eq_mode[] = {
- "Flat", "Rock", "Soft Rock", "Jazz", "Classical", "Dance", "Pop", "Soft",
- "Hard", "Party", "Vocal", "Hip-Hop", "Dialog", "Bass-boost #1",
- "Bass-boost #2", "Bass-boost #3", "Loudness 1", "Loudness 2",
- "Loudness 3", "Loudness 4", "Loudness 5", "Loudness 6", "Loudness 7",
- "Loudness 8", "Loudness 9", "Loudness 10", "Loudness 11", "Loudness 12",
- "Loudness 13", "Loudness 14", "Loudness 15", "Loudness 16" };
-static const char *sta32x_limiter_select[] = {
- "Limiter Disabled", "Limiter #1", "Limiter #2" };
-static const char *sta32x_limiter_attack_rate[] = {
- "3.1584", "2.7072", "2.2560", "1.8048", "1.3536", "0.9024",
- "0.4512", "0.2256", "0.1504", "0.1123", "0.0902", "0.0752",
- "0.0645", "0.0564", "0.0501", "0.0451" };
-static const char *sta32x_limiter_release_rate[] = {
- "0.5116", "0.1370", "0.0744", "0.0499", "0.0360", "0.0299",
- "0.0264", "0.0208", "0.0198", "0.0172", "0.0147", "0.0137",
- "0.0134", "0.0117", "0.0110", "0.0104" };
-
-static const unsigned int sta32x_limiter_ac_attack_tlv[] = {
- TLV_DB_RANGE_HEAD(2),
- 0, 7, TLV_DB_SCALE_ITEM(-1200, 200, 0),
- 8, 16, TLV_DB_SCALE_ITEM(300, 100, 0),
-};
-
-static const unsigned int sta32x_limiter_ac_release_tlv[] = {
- TLV_DB_RANGE_HEAD(5),
- 0, 0, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 0),
- 1, 1, TLV_DB_SCALE_ITEM(-2900, 0, 0),
- 2, 2, TLV_DB_SCALE_ITEM(-2000, 0, 0),
- 3, 8, TLV_DB_SCALE_ITEM(-1400, 200, 0),
- 8, 16, TLV_DB_SCALE_ITEM(-700, 100, 0),
-};
-
-static const unsigned int sta32x_limiter_drc_attack_tlv[] = {
- TLV_DB_RANGE_HEAD(3),
- 0, 7, TLV_DB_SCALE_ITEM(-3100, 200, 0),
- 8, 13, TLV_DB_SCALE_ITEM(-1600, 100, 0),
- 14, 16, TLV_DB_SCALE_ITEM(-1000, 300, 0),
-};
-
-static const unsigned int sta32x_limiter_drc_release_tlv[] = {
- TLV_DB_RANGE_HEAD(5),
- 0, 0, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 0),
- 1, 2, TLV_DB_SCALE_ITEM(-3800, 200, 0),
- 3, 4, TLV_DB_SCALE_ITEM(-3300, 200, 0),
- 5, 12, TLV_DB_SCALE_ITEM(-3000, 200, 0),
- 13, 16, TLV_DB_SCALE_ITEM(-1500, 300, 0),
-};
-
-static const struct soc_enum sta32x_drc_ac_enum =
- SOC_ENUM_SINGLE(STA32X_CONFD, STA32X_CONFD_DRC_SHIFT,
- 2, sta32x_drc_ac);
-static const struct soc_enum sta32x_auto_eq_enum =
- SOC_ENUM_SINGLE(STA32X_AUTO1, STA32X_AUTO1_AMEQ_SHIFT,
- 3, sta32x_auto_eq_mode);
-static const struct soc_enum sta32x_auto_gc_enum =
- SOC_ENUM_SINGLE(STA32X_AUTO1, STA32X_AUTO1_AMGC_SHIFT,
- 4, sta32x_auto_gc_mode);
-static const struct soc_enum sta32x_auto_xo_enum =
- SOC_ENUM_SINGLE(STA32X_AUTO2, STA32X_AUTO2_XO_SHIFT,
- 16, sta32x_auto_xo_mode);
-static const struct soc_enum sta32x_preset_eq_enum =
- SOC_ENUM_SINGLE(STA32X_AUTO3, STA32X_AUTO3_PEQ_SHIFT,
- 32, sta32x_preset_eq_mode);
-static const struct soc_enum sta32x_limiter_ch1_enum =
- SOC_ENUM_SINGLE(STA32X_C1CFG, STA32X_CxCFG_LS_SHIFT,
- 3, sta32x_limiter_select);
-static const struct soc_enum sta32x_limiter_ch2_enum =
- SOC_ENUM_SINGLE(STA32X_C2CFG, STA32X_CxCFG_LS_SHIFT,
- 3, sta32x_limiter_select);
-static const struct soc_enum sta32x_limiter_ch3_enum =
- SOC_ENUM_SINGLE(STA32X_C3CFG, STA32X_CxCFG_LS_SHIFT,
- 3, sta32x_limiter_select);
-static const struct soc_enum sta32x_limiter1_attack_rate_enum =
- SOC_ENUM_SINGLE(STA32X_L1AR, STA32X_LxA_SHIFT,
- 16, sta32x_limiter_attack_rate);
-static const struct soc_enum sta32x_limiter2_attack_rate_enum =
- SOC_ENUM_SINGLE(STA32X_L2AR, STA32X_LxA_SHIFT,
- 16, sta32x_limiter_attack_rate);
-static const struct soc_enum sta32x_limiter1_release_rate_enum =
- SOC_ENUM_SINGLE(STA32X_L1AR, STA32X_LxR_SHIFT,
- 16, sta32x_limiter_release_rate);
-static const struct soc_enum sta32x_limiter2_release_rate_enum =
- SOC_ENUM_SINGLE(STA32X_L2AR, STA32X_LxR_SHIFT,
- 16, sta32x_limiter_release_rate);
-
-/* byte array controls for setting biquad, mixer, scaling coefficients;
- * for biquads all five coefficients need to be set in one go,
- * mixer and pre/postscale coefs can be set individually;
- * each coef is 24bit, the bytes are ordered in the same way
- * as given in the STA32x data sheet (big endian; b1, b2, a1, a2, b0)
- */
-
-static int sta32x_coefficient_info(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_info *uinfo)
-{
- int numcoef = kcontrol->private_value >> 16;
- uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
- uinfo->count = 3 * numcoef;
- return 0;
-}
-
-static int sta32x_coefficient_get(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
- int numcoef = kcontrol->private_value >> 16;
- int index = kcontrol->private_value & 0xffff;
- unsigned int cfud;
- int i;
-
- /* preserve reserved bits in STA32X_CFUD */
- cfud = snd_soc_read(codec, STA32X_CFUD) & 0xf0;
- /* chip documentation does not say if the bits are self clearing,
- * so do it explicitly */
- snd_soc_write(codec, STA32X_CFUD, cfud);
-
- snd_soc_write(codec, STA32X_CFADDR2, index);
- if (numcoef == 1)
- snd_soc_write(codec, STA32X_CFUD, cfud | 0x04);
- else if (numcoef == 5)
- snd_soc_write(codec, STA32X_CFUD, cfud | 0x08);
- else
- return -EINVAL;
- for (i = 0; i < 3 * numcoef; i++)
- ucontrol->value.bytes.data[i] =
- snd_soc_read(codec, STA32X_B1CF1 + i);
-
- return 0;
-}
-
-static int sta32x_coefficient_put(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
- struct sta32x_priv *sta32x = snd_soc_codec_get_drvdata(codec);
- int numcoef = kcontrol->private_value >> 16;
- int index = kcontrol->private_value & 0xffff;
- unsigned int cfud;
- int i;
-
- /* preserve reserved bits in STA32X_CFUD */
- cfud = snd_soc_read(codec, STA32X_CFUD) & 0xf0;
- /* chip documentation does not say if the bits are self clearing,
- * so do it explicitly */
- snd_soc_write(codec, STA32X_CFUD, cfud);
-
- snd_soc_write(codec, STA32X_CFADDR2, index);
- for (i = 0; i < numcoef && (index + i < STA32X_COEF_COUNT); i++)
- sta32x->coef_shadow[index + i] =
- (ucontrol->value.bytes.data[3 * i] << 16)
- | (ucontrol->value.bytes.data[3 * i + 1] << 8)
- | (ucontrol->value.bytes.data[3 * i + 2]);
- for (i = 0; i < 3 * numcoef; i++)
- snd_soc_write(codec, STA32X_B1CF1 + i,
- ucontrol->value.bytes.data[i]);
- if (numcoef == 1)
- snd_soc_write(codec, STA32X_CFUD, cfud | 0x01);
- else if (numcoef == 5)
- snd_soc_write(codec, STA32X_CFUD, cfud | 0x02);
- else
- return -EINVAL;
-
- return 0;
-}
-
-static int sta32x_sync_coef_shadow(struct snd_soc_codec *codec)
-{
- struct sta32x_priv *sta32x = snd_soc_codec_get_drvdata(codec);
- unsigned int cfud;
- int i;
-
- /* preserve reserved bits in STA32X_CFUD */
- cfud = snd_soc_read(codec, STA32X_CFUD) & 0xf0;
-
- for (i = 0; i < STA32X_COEF_COUNT; i++) {
- snd_soc_write(codec, STA32X_CFADDR2, i);
- snd_soc_write(codec, STA32X_B1CF1,
- (sta32x->coef_shadow[i] >> 16) & 0xff);
- snd_soc_write(codec, STA32X_B1CF2,
- (sta32x->coef_shadow[i] >> 8) & 0xff);
- snd_soc_write(codec, STA32X_B1CF3,
- (sta32x->coef_shadow[i]) & 0xff);
- /* chip documentation does not say if the bits are
- * self-clearing, so do it explicitly */
- snd_soc_write(codec, STA32X_CFUD, cfud);
- snd_soc_write(codec, STA32X_CFUD, cfud | 0x01);
- }
- return 0;
-}
-
-static int sta32x_cache_sync(struct snd_soc_codec *codec)
-{
- unsigned int mute;
- int rc;
-
- if (!codec->cache_sync)
- return 0;
-
- /* mute during register sync */
- mute = snd_soc_read(codec, STA32X_MMUTE);
- snd_soc_write(codec, STA32X_MMUTE, mute | STA32X_MMUTE_MMUTE);
- sta32x_sync_coef_shadow(codec);
- rc = snd_soc_cache_sync(codec);
- snd_soc_write(codec, STA32X_MMUTE, mute);
- return rc;
-}
-
-/* work around ESD issue where sta32x resets and loses all configuration */
-static void sta32x_watchdog(struct work_struct *work)
-{
- struct sta32x_priv *sta32x = container_of(work, struct sta32x_priv,
- watchdog_work.work);
- struct snd_soc_codec *codec = sta32x->codec;
- unsigned int confa, confa_cached;
-
- /* check if sta32x has reset itself */
- confa_cached = snd_soc_read(codec, STA32X_CONFA);
- codec->cache_bypass = 1;
- confa = snd_soc_read(codec, STA32X_CONFA);
- codec->cache_bypass = 0;
- if (confa != confa_cached) {
- codec->cache_sync = 1;
- sta32x_cache_sync(codec);
- }
-
- if (!sta32x->shutdown)
- schedule_delayed_work(&sta32x->watchdog_work,
- round_jiffies_relative(HZ));
-}
-
-static void sta32x_watchdog_start(struct sta32x_priv *sta32x)
-{
- if (sta32x->pdata->needs_esd_watchdog) {
- sta32x->shutdown = 0;
- schedule_delayed_work(&sta32x->watchdog_work,
- round_jiffies_relative(HZ));
- }
-}
-
-static void sta32x_watchdog_stop(struct sta32x_priv *sta32x)
-{
- if (sta32x->pdata->needs_esd_watchdog) {
- sta32x->shutdown = 1;
- cancel_delayed_work_sync(&sta32x->watchdog_work);
- }
-}
-
-#define SINGLE_COEF(xname, index) \
-{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
- .info = sta32x_coefficient_info, \
- .get = sta32x_coefficient_get,\
- .put = sta32x_coefficient_put, \
- .private_value = index | (1 << 16) }
-
-#define BIQUAD_COEFS(xname, index) \
-{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
- .info = sta32x_coefficient_info, \
- .get = sta32x_coefficient_get,\
- .put = sta32x_coefficient_put, \
- .private_value = index | (5 << 16) }
-
-static const struct snd_kcontrol_new sta32x_snd_controls[] = {
-SOC_SINGLE_TLV("Master Volume", STA32X_MVOL, 0, 0xff, 1, mvol_tlv),
-SOC_SINGLE("Master Switch", STA32X_MMUTE, 0, 1, 1),
-SOC_SINGLE("Ch1 Switch", STA32X_MMUTE, 1, 1, 1),
-SOC_SINGLE("Ch2 Switch", STA32X_MMUTE, 2, 1, 1),
-SOC_SINGLE("Ch3 Switch", STA32X_MMUTE, 3, 1, 1),
-SOC_SINGLE_TLV("Ch1 Volume", STA32X_C1VOL, 0, 0xff, 1, chvol_tlv),
-SOC_SINGLE_TLV("Ch2 Volume", STA32X_C2VOL, 0, 0xff, 1, chvol_tlv),
-SOC_SINGLE_TLV("Ch3 Volume", STA32X_C3VOL, 0, 0xff, 1, chvol_tlv),
-SOC_SINGLE("De-emphasis Filter Switch", STA32X_CONFD, STA32X_CONFD_DEMP_SHIFT, 1, 0),
-SOC_ENUM("Compressor/Limiter Switch", sta32x_drc_ac_enum),
-SOC_SINGLE("Miami Mode Switch", STA32X_CONFD, STA32X_CONFD_MME_SHIFT, 1, 0),
-SOC_SINGLE("Zero Cross Switch", STA32X_CONFE, STA32X_CONFE_ZCE_SHIFT, 1, 0),
-SOC_SINGLE("Soft Ramp Switch", STA32X_CONFE, STA32X_CONFE_SVE_SHIFT, 1, 0),
-SOC_SINGLE("Auto-Mute Switch", STA32X_CONFF, STA32X_CONFF_IDE_SHIFT, 1, 0),
-SOC_ENUM("Automode EQ", sta32x_auto_eq_enum),
-SOC_ENUM("Automode GC", sta32x_auto_gc_enum),
-SOC_ENUM("Automode XO", sta32x_auto_xo_enum),
-SOC_ENUM("Preset EQ", sta32x_preset_eq_enum),
-SOC_SINGLE("Ch1 Tone Control Bypass Switch", STA32X_C1CFG, STA32X_CxCFG_TCB_SHIFT, 1, 0),
-SOC_SINGLE("Ch2 Tone Control Bypass Switch", STA32X_C2CFG, STA32X_CxCFG_TCB_SHIFT, 1, 0),
-SOC_SINGLE("Ch1 EQ Bypass Switch", STA32X_C1CFG, STA32X_CxCFG_EQBP_SHIFT, 1, 0),
-SOC_SINGLE("Ch2 EQ Bypass Switch", STA32X_C2CFG, STA32X_CxCFG_EQBP_SHIFT, 1, 0),
-SOC_SINGLE("Ch1 Master Volume Bypass Switch", STA32X_C1CFG, STA32X_CxCFG_VBP_SHIFT, 1, 0),
-SOC_SINGLE("Ch2 Master Volume Bypass Switch", STA32X_C1CFG, STA32X_CxCFG_VBP_SHIFT, 1, 0),
-SOC_SINGLE("Ch3 Master Volume Bypass Switch", STA32X_C1CFG, STA32X_CxCFG_VBP_SHIFT, 1, 0),
-SOC_ENUM("Ch1 Limiter Select", sta32x_limiter_ch1_enum),
-SOC_ENUM("Ch2 Limiter Select", sta32x_limiter_ch2_enum),
-SOC_ENUM("Ch3 Limiter Select", sta32x_limiter_ch3_enum),
-SOC_SINGLE_TLV("Bass Tone Control", STA32X_TONE, STA32X_TONE_BTC_SHIFT, 15, 0, tone_tlv),
-SOC_SINGLE_TLV("Treble Tone Control", STA32X_TONE, STA32X_TONE_TTC_SHIFT, 15, 0, tone_tlv),
-SOC_ENUM("Limiter1 Attack Rate (dB/ms)", sta32x_limiter1_attack_rate_enum),
-SOC_ENUM("Limiter2 Attack Rate (dB/ms)", sta32x_limiter2_attack_rate_enum),
-SOC_ENUM("Limiter1 Release Rate (dB/ms)", sta32x_limiter1_release_rate_enum),
-SOC_ENUM("Limiter2 Release Rate (dB/ms)", sta32x_limiter1_release_rate_enum),
-
-/* depending on mode, the attack/release thresholds have
- * two different enum definitions; provide both
- */
-SOC_SINGLE_TLV("Limiter1 Attack Threshold (AC Mode)", STA32X_L1ATRT, STA32X_LxA_SHIFT,
- 16, 0, sta32x_limiter_ac_attack_tlv),
-SOC_SINGLE_TLV("Limiter2 Attack Threshold (AC Mode)", STA32X_L2ATRT, STA32X_LxA_SHIFT,
- 16, 0, sta32x_limiter_ac_attack_tlv),
-SOC_SINGLE_TLV("Limiter1 Release Threshold (AC Mode)", STA32X_L1ATRT, STA32X_LxR_SHIFT,
- 16, 0, sta32x_limiter_ac_release_tlv),
-SOC_SINGLE_TLV("Limiter2 Release Threshold (AC Mode)", STA32X_L2ATRT, STA32X_LxR_SHIFT,
- 16, 0, sta32x_limiter_ac_release_tlv),
-SOC_SINGLE_TLV("Limiter1 Attack Threshold (DRC Mode)", STA32X_L1ATRT, STA32X_LxA_SHIFT,
- 16, 0, sta32x_limiter_drc_attack_tlv),
-SOC_SINGLE_TLV("Limiter2 Attack Threshold (DRC Mode)", STA32X_L2ATRT, STA32X_LxA_SHIFT,
- 16, 0, sta32x_limiter_drc_attack_tlv),
-SOC_SINGLE_TLV("Limiter1 Release Threshold (DRC Mode)", STA32X_L1ATRT, STA32X_LxR_SHIFT,
- 16, 0, sta32x_limiter_drc_release_tlv),
-SOC_SINGLE_TLV("Limiter2 Release Threshold (DRC Mode)", STA32X_L2ATRT, STA32X_LxR_SHIFT,
- 16, 0, sta32x_limiter_drc_release_tlv),
-
-BIQUAD_COEFS("Ch1 - Biquad 1", 0),
-BIQUAD_COEFS("Ch1 - Biquad 2", 5),
-BIQUAD_COEFS("Ch1 - Biquad 3", 10),
-BIQUAD_COEFS("Ch1 - Biquad 4", 15),
-BIQUAD_COEFS("Ch2 - Biquad 1", 20),
-BIQUAD_COEFS("Ch2 - Biquad 2", 25),
-BIQUAD_COEFS("Ch2 - Biquad 3", 30),
-BIQUAD_COEFS("Ch2 - Biquad 4", 35),
-BIQUAD_COEFS("High-pass", 40),
-BIQUAD_COEFS("Low-pass", 45),
-SINGLE_COEF("Ch1 - Prescale", 50),
-SINGLE_COEF("Ch2 - Prescale", 51),
-SINGLE_COEF("Ch1 - Postscale", 52),
-SINGLE_COEF("Ch2 - Postscale", 53),
-SINGLE_COEF("Ch3 - Postscale", 54),
-SINGLE_COEF("Thermal warning - Postscale", 55),
-SINGLE_COEF("Ch1 - Mix 1", 56),
-SINGLE_COEF("Ch1 - Mix 2", 57),
-SINGLE_COEF("Ch2 - Mix 1", 58),
-SINGLE_COEF("Ch2 - Mix 2", 59),
-SINGLE_COEF("Ch3 - Mix 1", 60),
-SINGLE_COEF("Ch3 - Mix 2", 61),
-};
-
-static const struct snd_soc_dapm_widget sta32x_dapm_widgets[] = {
-SND_SOC_DAPM_DAC("DAC", "Playback", SND_SOC_NOPM, 0, 0),
-SND_SOC_DAPM_OUTPUT("LEFT"),
-SND_SOC_DAPM_OUTPUT("RIGHT"),
-SND_SOC_DAPM_OUTPUT("SUB"),
-};
-
-static const struct snd_soc_dapm_route sta32x_dapm_routes[] = {
- { "LEFT", NULL, "DAC" },
- { "RIGHT", NULL, "DAC" },
- { "SUB", NULL, "DAC" },
-};
-
-/* MCLK interpolation ratio per fs */
-static struct {
- int fs;
- int ir;
-} interpolation_ratios[] = {
- { 32000, 0 },
- { 44100, 0 },
- { 48000, 0 },
- { 88200, 1 },
- { 96000, 1 },
- { 176400, 2 },
- { 192000, 2 },
-};
-
-/* MCLK to fs clock ratios */
-static struct {
- int ratio;
- int mcs;
-} mclk_ratios[3][7] = {
- { { 768, 0 }, { 512, 1 }, { 384, 2 }, { 256, 3 },
- { 128, 4 }, { 576, 5 }, { 0, 0 } },
- { { 384, 2 }, { 256, 3 }, { 192, 4 }, { 128, 5 }, {64, 0 }, { 0, 0 } },
- { { 384, 2 }, { 256, 3 }, { 192, 4 }, { 128, 5 }, {64, 0 }, { 0, 0 } },
-};
-
-
-/**
- * sta32x_set_dai_sysclk - configure MCLK
- * @codec_dai: the codec DAI
- * @clk_id: the clock ID (ignored)
- * @freq: the MCLK input frequency
- * @dir: the clock direction (ignored)
- *
- * The value of MCLK is used to determine which sample rates are supported
- * by the STA32X, based on the mclk_ratios table.
- *
- * This function must be called by the machine driver's 'startup' function,
- * otherwise the list of supported sample rates will not be available in
- * time for ALSA.
- *
- * For setups with variable MCLKs, pass 0 as 'freq' argument. This will cause
- * theoretically possible sample rates to be enabled. Call it again with a
- * proper value set one the external clock is set (most probably you would do
- * that from a machine's driver 'hw_param' hook.
- */
-static int sta32x_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 sta32x_priv *sta32x = snd_soc_codec_get_drvdata(codec);
- int i, j, ir, fs;
- unsigned int rates = 0;
- unsigned int rate_min = -1;
- unsigned int rate_max = 0;
-
- pr_debug("mclk=%u\n", freq);
- sta32x->mclk = freq;
-
- if (sta32x->mclk) {
- for (i = 0; i < ARRAY_SIZE(interpolation_ratios); i++) {
- ir = interpolation_ratios[i].ir;
- fs = interpolation_ratios[i].fs;
- for (j = 0; mclk_ratios[ir][j].ratio; j++) {
- if (mclk_ratios[ir][j].ratio * fs == freq) {
- rates |= snd_pcm_rate_to_rate_bit(fs);
- if (fs < rate_min)
- rate_min = fs;
- if (fs > rate_max)
- rate_max = fs;
- break;
- }
- }
- }
- /* FIXME: soc should support a rate list */
- rates &= ~SNDRV_PCM_RATE_KNOT;
-
- if (!rates) {
- dev_err(codec->dev, "could not find a valid sample rate\n");
- return -EINVAL;
- }
- } else {
- /* enable all possible rates */
- rates = STA32X_RATES;
- rate_min = 32000;
- rate_max = 192000;
- }
-
- codec_dai->driver->playback.rates = rates;
- codec_dai->driver->playback.rate_min = rate_min;
- codec_dai->driver->playback.rate_max = rate_max;
- return 0;
-}
-
-/**
- * sta32x_set_dai_fmt - configure the codec for the selected audio format
- * @codec_dai: the codec DAI
- * @fmt: a SND_SOC_DAIFMT_x value indicating the data format
- *
- * This function takes a bitmask of SND_SOC_DAIFMT_x bits and programs the
- * codec accordingly.
- */
-static int sta32x_set_dai_fmt(struct snd_soc_dai *codec_dai,
- unsigned int fmt)
-{
- struct snd_soc_codec *codec = codec_dai->codec;
- struct sta32x_priv *sta32x = snd_soc_codec_get_drvdata(codec);
- u8 confb = snd_soc_read(codec, STA32X_CONFB);
-
- pr_debug("\n");
- confb &= ~(STA32X_CONFB_C1IM | STA32X_CONFB_C2IM);
-
- switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
- case SND_SOC_DAIFMT_CBS_CFS:
- break;
- default:
- return -EINVAL;
- }
-
- switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
- case SND_SOC_DAIFMT_I2S:
- case SND_SOC_DAIFMT_RIGHT_J:
- case SND_SOC_DAIFMT_LEFT_J:
- sta32x->format = fmt & SND_SOC_DAIFMT_FORMAT_MASK;
- break;
- default:
- return -EINVAL;
- }
-
- switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
- case SND_SOC_DAIFMT_NB_NF:
- confb |= STA32X_CONFB_C2IM;
- break;
- case SND_SOC_DAIFMT_NB_IF:
- confb |= STA32X_CONFB_C1IM;
- break;
- default:
- return -EINVAL;
- }
-
- snd_soc_write(codec, STA32X_CONFB, confb);
- return 0;
-}
-
-/**
- * sta32x_hw_params - program the STA32X with the given hardware parameters.
- * @substream: the audio stream
- * @params: the hardware parameters to set
- * @dai: the SOC DAI (ignored)
- *
- * This function programs the hardware with the values provided.
- * Specifically, the sample rate and the data format.
- */
-static int sta32x_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;
- struct sta32x_priv *sta32x = snd_soc_codec_get_drvdata(codec);
- unsigned int rate;
- int i, mcs = -1, ir = -1;
- u8 confa, confb;
-
- rate = params_rate(params);
- pr_debug("rate: %u\n", rate);
- for (i = 0; i < ARRAY_SIZE(interpolation_ratios); i++)
- if (interpolation_ratios[i].fs == rate) {
- ir = interpolation_ratios[i].ir;
- break;
- }
- if (ir < 0)
- return -EINVAL;
- for (i = 0; mclk_ratios[ir][i].ratio; i++)
- if (mclk_ratios[ir][i].ratio * rate == sta32x->mclk) {
- mcs = mclk_ratios[ir][i].mcs;
- break;
- }
- if (mcs < 0)
- return -EINVAL;
-
- confa = snd_soc_read(codec, STA32X_CONFA);
- confa &= ~(STA32X_CONFA_MCS_MASK | STA32X_CONFA_IR_MASK);
- confa |= (ir << STA32X_CONFA_IR_SHIFT) | (mcs << STA32X_CONFA_MCS_SHIFT);
-
- confb = snd_soc_read(codec, STA32X_CONFB);
- confb &= ~(STA32X_CONFB_SAI_MASK | STA32X_CONFB_SAIFB);
- switch (params_format(params)) {
- case SNDRV_PCM_FORMAT_S24_LE:
- case SNDRV_PCM_FORMAT_S24_BE:
- case SNDRV_PCM_FORMAT_S24_3LE:
- case SNDRV_PCM_FORMAT_S24_3BE:
- pr_debug("24bit\n");
- /* fall through */
- case SNDRV_PCM_FORMAT_S32_LE:
- case SNDRV_PCM_FORMAT_S32_BE:
- pr_debug("24bit or 32bit\n");
- switch (sta32x->format) {
- case SND_SOC_DAIFMT_I2S:
- confb |= 0x0;
- break;
- case SND_SOC_DAIFMT_LEFT_J:
- confb |= 0x1;
- break;
- case SND_SOC_DAIFMT_RIGHT_J:
- confb |= 0x2;
- break;
- }
-
- break;
- case SNDRV_PCM_FORMAT_S20_3LE:
- case SNDRV_PCM_FORMAT_S20_3BE:
- pr_debug("20bit\n");
- switch (sta32x->format) {
- case SND_SOC_DAIFMT_I2S:
- confb |= 0x4;
- break;
- case SND_SOC_DAIFMT_LEFT_J:
- confb |= 0x5;
- break;
- case SND_SOC_DAIFMT_RIGHT_J:
- confb |= 0x6;
- break;
- }
-
- break;
- case SNDRV_PCM_FORMAT_S18_3LE:
- case SNDRV_PCM_FORMAT_S18_3BE:
- pr_debug("18bit\n");
- switch (sta32x->format) {
- case SND_SOC_DAIFMT_I2S:
- confb |= 0x8;
- break;
- case SND_SOC_DAIFMT_LEFT_J:
- confb |= 0x9;
- break;
- case SND_SOC_DAIFMT_RIGHT_J:
- confb |= 0xa;
- break;
- }
-
- break;
- case SNDRV_PCM_FORMAT_S16_LE:
- case SNDRV_PCM_FORMAT_S16_BE:
- pr_debug("16bit\n");
- switch (sta32x->format) {
- case SND_SOC_DAIFMT_I2S:
- confb |= 0x0;
- break;
- case SND_SOC_DAIFMT_LEFT_J:
- confb |= 0xd;
- break;
- case SND_SOC_DAIFMT_RIGHT_J:
- confb |= 0xe;
- break;
- }
-
- break;
- default:
- return -EINVAL;
- }
-
- snd_soc_write(codec, STA32X_CONFA, confa);
- snd_soc_write(codec, STA32X_CONFB, confb);
- return 0;
-}
-
-/**
- * sta32x_set_bias_level - DAPM callback
- * @codec: the codec device
- * @level: DAPM power level
- *
- * This is called by ALSA to put the codec into low power mode
- * or to wake it up. If the codec is powered off completely
- * all registers must be restored after power on.
- */
-static int sta32x_set_bias_level(struct snd_soc_codec *codec,
- enum snd_soc_bias_level level)
-{
- int ret;
- struct sta32x_priv *sta32x = snd_soc_codec_get_drvdata(codec);
-
- pr_debug("level = %d\n", level);
- switch (level) {
- case SND_SOC_BIAS_ON:
- break;
-
- case SND_SOC_BIAS_PREPARE:
- /* Full power on */
- snd_soc_update_bits(codec, STA32X_CONFF,
- STA32X_CONFF_PWDN | STA32X_CONFF_EAPD,
- STA32X_CONFF_PWDN | STA32X_CONFF_EAPD);
- break;
-
- case SND_SOC_BIAS_STANDBY:
- if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
- ret = regulator_bulk_enable(ARRAY_SIZE(sta32x->supplies),
- sta32x->supplies);
- if (ret != 0) {
- dev_err(codec->dev,
- "Failed to enable supplies: %d\n", ret);
- return ret;
- }
-
- sta32x_cache_sync(codec);
- sta32x_watchdog_start(sta32x);
- }
-
- /* Power up to mute */
- /* FIXME */
- snd_soc_update_bits(codec, STA32X_CONFF,
- STA32X_CONFF_PWDN | STA32X_CONFF_EAPD,
- STA32X_CONFF_PWDN | STA32X_CONFF_EAPD);
-
- break;
-
- case SND_SOC_BIAS_OFF:
- /* The chip runs through the power down sequence for us. */
- snd_soc_update_bits(codec, STA32X_CONFF,
- STA32X_CONFF_PWDN | STA32X_CONFF_EAPD,
- STA32X_CONFF_PWDN);
- msleep(300);
- sta32x_watchdog_stop(sta32x);
- regulator_bulk_disable(ARRAY_SIZE(sta32x->supplies),
- sta32x->supplies);
- break;
- }
- codec->dapm.bias_level = level;
- return 0;
-}
-
-static const struct snd_soc_dai_ops sta32x_dai_ops = {
- .hw_params = sta32x_hw_params,
- .set_sysclk = sta32x_set_dai_sysclk,
- .set_fmt = sta32x_set_dai_fmt,
-};
-
-static struct snd_soc_dai_driver sta32x_dai = {
- .name = "STA32X",
- .playback = {
- .stream_name = "Playback",
- .channels_min = 2,
- .channels_max = 2,
- .rates = STA32X_RATES,
- .formats = STA32X_FORMATS,
- },
- .ops = &sta32x_dai_ops,
-};
-
-#ifdef CONFIG_PM
-static int sta32x_suspend(struct snd_soc_codec *codec)
-{
- sta32x_set_bias_level(codec, SND_SOC_BIAS_OFF);
- return 0;
-}
-
-static int sta32x_resume(struct snd_soc_codec *codec)
-{
- sta32x_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
- return 0;
-}
-#else
-#define sta32x_suspend NULL
-#define sta32x_resume NULL
-#endif
-
-static int sta32x_probe(struct snd_soc_codec *codec)
-{
- struct sta32x_priv *sta32x = snd_soc_codec_get_drvdata(codec);
- int i, ret = 0, thermal = 0;
-
- sta32x->codec = codec;
- sta32x->pdata = dev_get_platdata(codec->dev);
-
- /* regulators */
- for (i = 0; i < ARRAY_SIZE(sta32x->supplies); i++)
- sta32x->supplies[i].supply = sta32x_supply_names[i];
-
- ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(sta32x->supplies),
- sta32x->supplies);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
- goto err;
- }
-
- ret = regulator_bulk_enable(ARRAY_SIZE(sta32x->supplies),
- sta32x->supplies);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
- goto err_get;
- }
-
- /* Tell ASoC what kind of I/O to use to read the registers. ASoC will
- * then do the I2C transactions itself.
- */
- ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_I2C);
- if (ret < 0) {
- dev_err(codec->dev, "failed to set cache I/O (ret=%i)\n", ret);
- return ret;
- }
-
- /* Chip documentation explicitly requires that the reset values
- * of reserved register bits are left untouched.
- * Write the register default value to cache for reserved registers,
- * so the write to the these registers are suppressed by the cache
- * restore code when it skips writes of default registers.
- */
- snd_soc_cache_write(codec, STA32X_CONFC, 0xc2);
- snd_soc_cache_write(codec, STA32X_CONFE, 0xc2);
- snd_soc_cache_write(codec, STA32X_CONFF, 0x5c);
- snd_soc_cache_write(codec, STA32X_MMUTE, 0x10);
- snd_soc_cache_write(codec, STA32X_AUTO1, 0x60);
- snd_soc_cache_write(codec, STA32X_AUTO3, 0x00);
- snd_soc_cache_write(codec, STA32X_C3CFG, 0x40);
-
- /* set thermal warning adjustment and recovery */
- if (!(sta32x->pdata->thermal_conf & STA32X_THERMAL_ADJUSTMENT_ENABLE))
- thermal |= STA32X_CONFA_TWAB;
- if (!(sta32x->pdata->thermal_conf & STA32X_THERMAL_RECOVERY_ENABLE))
- thermal |= STA32X_CONFA_TWRB;
- snd_soc_update_bits(codec, STA32X_CONFA,
- STA32X_CONFA_TWAB | STA32X_CONFA_TWRB,
- thermal);
-
- /* select output configuration */
- snd_soc_update_bits(codec, STA32X_CONFF,
- STA32X_CONFF_OCFG_MASK,
- sta32x->pdata->output_conf
- << STA32X_CONFF_OCFG_SHIFT);
-
- /* channel to output mapping */
- snd_soc_update_bits(codec, STA32X_C1CFG,
- STA32X_CxCFG_OM_MASK,
- sta32x->pdata->ch1_output_mapping
- << STA32X_CxCFG_OM_SHIFT);
- snd_soc_update_bits(codec, STA32X_C2CFG,
- STA32X_CxCFG_OM_MASK,
- sta32x->pdata->ch2_output_mapping
- << STA32X_CxCFG_OM_SHIFT);
- snd_soc_update_bits(codec, STA32X_C3CFG,
- STA32X_CxCFG_OM_MASK,
- sta32x->pdata->ch3_output_mapping
- << STA32X_CxCFG_OM_SHIFT);
-
- /* initialize coefficient shadow RAM with reset values */
- for (i = 4; i <= 49; i += 5)
- sta32x->coef_shadow[i] = 0x400000;
- for (i = 50; i <= 54; i++)
- sta32x->coef_shadow[i] = 0x7fffff;
- sta32x->coef_shadow[55] = 0x5a9df7;
- sta32x->coef_shadow[56] = 0x7fffff;
- sta32x->coef_shadow[59] = 0x7fffff;
- sta32x->coef_shadow[60] = 0x400000;
- sta32x->coef_shadow[61] = 0x400000;
-
- if (sta32x->pdata->needs_esd_watchdog)
- INIT_DELAYED_WORK(&sta32x->watchdog_work, sta32x_watchdog);
-
- sta32x_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
- /* Bias level configuration will have done an extra enable */
- regulator_bulk_disable(ARRAY_SIZE(sta32x->supplies), sta32x->supplies);
-
- return 0;
-
-err_get:
- regulator_bulk_free(ARRAY_SIZE(sta32x->supplies), sta32x->supplies);
-err:
- return ret;
-}
-
-static int sta32x_remove(struct snd_soc_codec *codec)
-{
- struct sta32x_priv *sta32x = snd_soc_codec_get_drvdata(codec);
-
- sta32x_watchdog_stop(sta32x);
- sta32x_set_bias_level(codec, SND_SOC_BIAS_OFF);
- regulator_bulk_disable(ARRAY_SIZE(sta32x->supplies), sta32x->supplies);
- regulator_bulk_free(ARRAY_SIZE(sta32x->supplies), sta32x->supplies);
-
- return 0;
-}
-
-static int sta32x_reg_is_volatile(struct snd_soc_codec *codec,
- unsigned int reg)
-{
- switch (reg) {
- case STA32X_CONFA ... STA32X_L2ATRT:
- case STA32X_MPCC1 ... STA32X_FDRC2:
- return 0;
- }
- return 1;
-}
-
-static const struct snd_soc_codec_driver sta32x_codec = {
- .probe = sta32x_probe,
- .remove = sta32x_remove,
- .suspend = sta32x_suspend,
- .resume = sta32x_resume,
- .reg_cache_size = STA32X_REGISTER_COUNT,
- .reg_word_size = sizeof(u8),
- .reg_cache_default = sta32x_regs,
- .volatile_register = sta32x_reg_is_volatile,
- .set_bias_level = sta32x_set_bias_level,
- .controls = sta32x_snd_controls,
- .num_controls = ARRAY_SIZE(sta32x_snd_controls),
- .dapm_widgets = sta32x_dapm_widgets,
- .num_dapm_widgets = ARRAY_SIZE(sta32x_dapm_widgets),
- .dapm_routes = sta32x_dapm_routes,
- .num_dapm_routes = ARRAY_SIZE(sta32x_dapm_routes),
-};
-
-static __devinit int sta32x_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
-{
- struct sta32x_priv *sta32x;
- int ret;
-
- sta32x = devm_kzalloc(&i2c->dev, sizeof(struct sta32x_priv),
- GFP_KERNEL);
- if (!sta32x)
- return -ENOMEM;
-
- i2c_set_clientdata(i2c, sta32x);
-
- ret = snd_soc_register_codec(&i2c->dev, &sta32x_codec, &sta32x_dai, 1);
- if (ret != 0)
- dev_err(&i2c->dev, "Failed to register codec (%d)\n", ret);
-
- return ret;
-}
-
-static __devexit int sta32x_i2c_remove(struct i2c_client *client)
-{
- snd_soc_unregister_codec(&client->dev);
- return 0;
-}
-
-static const struct i2c_device_id sta32x_i2c_id[] = {
- { "sta326", 0 },
- { "sta328", 0 },
- { "sta329", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, sta32x_i2c_id);
-
-static struct i2c_driver sta32x_i2c_driver = {
- .driver = {
- .name = "sta32x",
- .owner = THIS_MODULE,
- },
- .probe = sta32x_i2c_probe,
- .remove = __devexit_p(sta32x_i2c_remove),
- .id_table = sta32x_i2c_id,
-};
-
-static int __init sta32x_init(void)
-{
- return i2c_add_driver(&sta32x_i2c_driver);
-}
-module_init(sta32x_init);
-
-static void __exit sta32x_exit(void)
-{
- i2c_del_driver(&sta32x_i2c_driver);
-}
-module_exit(sta32x_exit);
-
-MODULE_DESCRIPTION("ASoC STA32X driver");
-MODULE_AUTHOR("Johannes Stezenbach <js@sig21.net>");
-MODULE_LICENSE("GPL");
generated by cgit (git 2.34.1) at 2024-12-22 01:12:51 +0000