Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1432217AbdDYQvh (ORCPT ); Tue, 25 Apr 2017 12:51:37 -0400 Received: from mail-bl2nam02on0119.outbound.protection.outlook.com ([104.47.38.119]:60000 "EHLO NAM02-BL2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1432186AbdDYQvT (ORCPT ); Tue, 25 Apr 2017 12:51:19 -0400 Authentication-Results: vger.kernel.org; dkim=none (message not signed) header.d=none;vger.kernel.org; dmarc=none action=none header.from=maximintegrated.com; MIME-Version: 1.0 In-Reply-To: References: <1490922994-19294-1-git-send-email-ryans.lee@maximintegrated.com> From: Ryan Lee Date: Tue, 25 Apr 2017 09:51:11 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: Applied "ASoC: Add support for Maxim Integrated MAX98927 Amplifier" to the asoc tree To: Mark Brown CC: Liam Girdwood , , , , , Kuninori Morimoto , Arnd Bergmann , , , , , , Axel Lin , , Srinivas Kandagatla , , , , , 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1;BLUPR11MB0834;7:N3nI0uhScXcG968lclJgenDFjzWkMy8ehFJx+P1Opl3S5RyoL9ecjEBGmm7zsdGWgEAFkL+7zzP6+gLKNbH9WCb5DXgTg5guX1EYAnkkY13JDoiAmKZg6+BBvUU0EuCLMPSQ/pMvoffJ+hy7ZTCpMXa1bDDhV4eHOxg36Af9LiWezFs2Sqp7E/KI7/hMwdAqmtCgmnUjADFqSUDSXvrdJ0VO7Ecn75tJp4RkXTPRpf4dvI+ULJaiGv/V/20imYfE53FACH1bYNQvYLr/LqtEZSIyTDJWY4qxKdAJAKCd3KBq176zT+Niovhs+vb4Iuoa2Hgl8YwqA65PYcSedKBJbw== X-OriginatorOrg: maximintegrated.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Apr 2017 16:51:16.1643 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-Transport-CrossTenantHeadersStamped: BLUPR11MB0834 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 53782 Lines: 1343 ' On Thu, Apr 6, 2017 at 11:55 AM, Mark Brown wrote: > The patch > > ASoC: Add support for Maxim Integrated MAX98927 Amplifier > > has been applied to the asoc tree at > > git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git > > All being well this means that it will be integrated into the linux-next > tree (usually sometime in the next 24 hours) and sent to Linus during > the next merge window (or sooner if it is a bug fix), however if > problems are discovered then the patch may be dropped or reverted. > > You may get further e-mails resulting from automated or manual testing > and review of the tree, please engage with people reporting problems and > send followup patches addressing any issues that are reported if needed. > > If any updates are required or you are submitting further changes they > should be sent as incremental updates against current git, existing > patches will not be replaced. > > Please add any relevant lists and maintainers to the CCs when replying > to this mail. > > Thanks, > Mark I have tried to check MAX98927 driver on linux-next tree and 'git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git' but have failed. So I wanted to check the current status of MAX98927 driver. I'm sorry for top-posting. > > From 7c0c2000716e64151b3c0c62026c18f31537ebe9 Mon Sep 17 00:00:00 2001 > From: Ryan Lee > Date: Tue, 4 Apr 2017 02:23:08 +0900 > Subject: [PATCH] ASoC: Add support for Maxim Integrated MAX98927 Amplifier > > Signed-off-by: Ryan Lee > Signed-off-by: Mark Brown > --- > .../devicetree/bindings/sound/max98925.txt | 22 - > .../devicetree/bindings/sound/max98926.txt | 32 - > .../devicetree/bindings/sound/max9892x.txt | 41 + > sound/soc/codecs/Kconfig | 5 + > sound/soc/codecs/Makefile | 2 + > sound/soc/codecs/max98927.c | 841 +++++++++++++++++++++ > sound/soc/codecs/max98927.h | 272 +++++++ > 7 files changed, 1161 insertions(+), 54 deletions(-) > delete mode 100644 Documentation/devicetree/bindings/sound/max98925.txt > delete mode 100644 Documentation/devicetree/bindings/sound/max98926.txt > create mode 100644 Documentation/devicetree/bindings/sound/max9892x.txt > create mode 100644 sound/soc/codecs/max98927.c > create mode 100644 sound/soc/codecs/max98927.h > > diff --git a/Documentation/devicetree/bindings/sound/max98925.txt b/Documentation/devicetree/bindings/sound/max98925.txt > deleted file mode 100644 > index 27be63e2aa0d..000000000000 > --- a/Documentation/devicetree/bindings/sound/max98925.txt > +++ /dev/null > @@ -1,22 +0,0 @@ > -max98925 audio CODEC > - > -This device supports I2C. > - > -Required properties: > - > - - compatible : "maxim,max98925" > - > - - vmon-slot-no : slot number used to send voltage information > - > - - imon-slot-no : slot number used to send current information > - > - - reg : the I2C address of the device for I2C > - > -Example: > - > -codec: max98925@1a { > - compatible = "maxim,max98925"; > - vmon-slot-no = <0>; > - imon-slot-no = <2>; > - reg = <0x1a>; > -}; > diff --git a/Documentation/devicetree/bindings/sound/max98926.txt b/Documentation/devicetree/bindings/sound/max98926.txt > deleted file mode 100644 > index 0b7f4e4d5f9a..000000000000 > --- a/Documentation/devicetree/bindings/sound/max98926.txt > +++ /dev/null > @@ -1,32 +0,0 @@ > -max98926 audio CODEC > - > -This device supports I2C. > - > -Required properties: > - > - - compatible : "maxim,max98926" > - > - - vmon-slot-no : slot number used to send voltage information > - or in inteleave mode this will be used as > - interleave slot. > - > - - imon-slot-no : slot number used to send current information > - > - - interleave-mode : When using two MAX98926 in a system it is > - possible to create ADC data that that will > - overflow the frame size. Digital Audio Interleave > - mode provides a means to output VMON and IMON data > - from two devices on a single DOUT line when running > - smaller frames sizes such as 32 BCLKS per LRCLK or > - 48 BCLKS per LRCLK. > - > - - reg : the I2C address of the device for I2C > - > -Example: > - > -codec: max98926@1a { > - compatible = "maxim,max98926"; > - vmon-slot-no = <0>; > - imon-slot-no = <2>; > - reg = <0x1a>; > -}; > diff --git a/Documentation/devicetree/bindings/sound/max9892x.txt b/Documentation/devicetree/bindings/sound/max9892x.txt > new file mode 100644 > index 000000000000..f6171591ddc6 > --- /dev/null > +++ b/Documentation/devicetree/bindings/sound/max9892x.txt > @@ -0,0 +1,41 @@ > +Maxim Integrated MAX98925/MAX98926/MAX98927 Speaker Amplifier > + > +This device supports I2C. > + > +Required properties: > + > + - compatible : should be one of the following > + - "maxim,max98925" > + - "maxim,max98926" > + - "maxim,max98927" > + > + - vmon-slot-no : slot number used to send voltage information > + or in inteleave mode this will be used as > + interleave slot. > + MAX98925/MAX98926 slot range : 0 ~ 30, Default : 0 > + MAX98927 slot range : 0 ~ 15, Default : 0 > + > + - imon-slot-no : slot number used to send current information > + MAX98925/MAX98926 slot range : 0 ~ 30, Default : 0 > + MAX98927 slot range : 0 ~ 15, Default : 0 > + > + - interleave-mode : When using two MAX9892X in a system it is > + possible to create ADC data that that will > + overflow the frame size. Digital Audio Interleave > + mode provides a means to output VMON and IMON data > + from two devices on a single DOUT line when running > + smaller frames sizes such as 32 BCLKS per LRCLK or > + 48 BCLKS per LRCLK. > + Range : 0 (off), 1 (on), Default : 0 > + > + - reg : the I2C address of the device for I2C > + > +Example: > + > +codec: max98927@3a { > + compatible = "maxim,max98927"; > + vmon-slot-no = <0>; > + imon-slot-no = <1>; > + interleave-mode = <0>; > + reg = <0x3a>; > +}; > diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig > index 9e1718a8cb1c..65e31ab88280 100644 > --- a/sound/soc/codecs/Kconfig > +++ b/sound/soc/codecs/Kconfig > @@ -89,6 +89,7 @@ config SND_SOC_ALL_CODECS > select SND_SOC_MAX9867 if I2C > select SND_SOC_MAX98925 if I2C > select SND_SOC_MAX98926 if I2C > + select SND_SOC_MAX98927 if I2C > select SND_SOC_MAX9850 if I2C > select SND_SOC_MAX9860 if I2C > select SND_SOC_MAX9768 if I2C > @@ -585,6 +586,10 @@ config SND_SOC_MAX98925 > config SND_SOC_MAX98926 > tristate > > +config SND_SOC_MAX98927 > + tristate "Maxim Integrated MAX98927 Speaker Amplifier" > + depends on I2C > + > config SND_SOC_MAX9850 > tristate > > diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile > index 7e1dad79610b..64656c43200c 100644 > --- a/sound/soc/codecs/Makefile > +++ b/sound/soc/codecs/Makefile > @@ -84,6 +84,7 @@ snd-soc-max98371-objs := max98371.o > snd-soc-max9867-objs := max9867.o > snd-soc-max98925-objs := max98925.o > snd-soc-max98926-objs := max98926.o > +snd-soc-max98927-objs := max98927.o > snd-soc-max9850-objs := max9850.o > snd-soc-max9860-objs := max9860.o > snd-soc-mc13783-objs := mc13783.o > @@ -312,6 +313,7 @@ obj-$(CONFIG_SND_SOC_MAX98357A) += snd-soc-max98357a.o > obj-$(CONFIG_SND_SOC_MAX9867) += snd-soc-max9867.o > obj-$(CONFIG_SND_SOC_MAX98925) += snd-soc-max98925.o > obj-$(CONFIG_SND_SOC_MAX98926) += snd-soc-max98926.o > +obj-$(CONFIG_SND_SOC_MAX98927) += snd-soc-max98927.o > obj-$(CONFIG_SND_SOC_MAX9850) += snd-soc-max9850.o > obj-$(CONFIG_SND_SOC_MAX9860) += snd-soc-max9860.o > obj-$(CONFIG_SND_SOC_MC13783) += snd-soc-mc13783.o > diff --git a/sound/soc/codecs/max98927.c b/sound/soc/codecs/max98927.c > new file mode 100644 > index 000000000000..b5ee29499e16 > --- /dev/null > +++ b/sound/soc/codecs/max98927.c > @@ -0,0 +1,841 @@ > +/* > + * max98927.c -- MAX98927 ALSA Soc Audio driver > + * > + * Copyright (C) 2016 Maxim Integrated Products > + * Author: Ryan Lee > + * > + * 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. > + */ > + > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include "max98927.h" > + > +static struct reg_default max98927_reg[] = { > + {MAX98927_R0001_INT_RAW1, 0x00}, > + {MAX98927_R0002_INT_RAW2, 0x00}, > + {MAX98927_R0003_INT_RAW3, 0x00}, > + {MAX98927_R0004_INT_STATE1, 0x00}, > + {MAX98927_R0005_INT_STATE2, 0x00}, > + {MAX98927_R0006_INT_STATE3, 0x00}, > + {MAX98927_R0007_INT_FLAG1, 0x00}, > + {MAX98927_R0008_INT_FLAG2, 0x00}, > + {MAX98927_R0009_INT_FLAG3, 0x00}, > + {MAX98927_R000A_INT_EN1, 0x00}, > + {MAX98927_R000B_INT_EN2, 0x00}, > + {MAX98927_R000C_INT_EN3, 0x00}, > + {MAX98927_R000D_INT_FLAG_CLR1, 0x00}, > + {MAX98927_R000E_INT_FLAG_CLR2, 0x00}, > + {MAX98927_R000F_INT_FLAG_CLR3, 0x00}, > + {MAX98927_R0010_IRQ_CTRL, 0x00}, > + {MAX98927_R0011_CLK_MON, 0x00}, > + {MAX98927_R0012_WDOG_CTRL, 0x00}, > + {MAX98927_R0013_WDOG_RST, 0x00}, > + {MAX98927_R0014_MEAS_ADC_THERM_WARN_THRESH, 0x00}, > + {MAX98927_R0015_MEAS_ADC_THERM_SHDN_THRESH, 0x00}, > + {MAX98927_R0016_MEAS_ADC_THERM_HYSTERESIS, 0x00}, > + {MAX98927_R0017_PIN_CFG, 0x55}, > + {MAX98927_R0018_PCM_RX_EN_A, 0x00}, > + {MAX98927_R0019_PCM_RX_EN_B, 0x00}, > + {MAX98927_R001A_PCM_TX_EN_A, 0x00}, > + {MAX98927_R001B_PCM_TX_EN_B, 0x00}, > + {MAX98927_R001C_PCM_TX_HIZ_CTRL_A, 0x00}, > + {MAX98927_R001D_PCM_TX_HIZ_CTRL_B, 0x00}, > + {MAX98927_R001E_PCM_TX_CH_SRC_A, 0x00}, > + {MAX98927_R001F_PCM_TX_CH_SRC_B, 0x00}, > + {MAX98927_R0020_PCM_MODE_CFG, 0x40}, > + {MAX98927_R0021_PCM_MASTER_MODE, 0x00}, > + {MAX98927_R0022_PCM_CLK_SETUP, 0x22}, > + {MAX98927_R0023_PCM_SR_SETUP1, 0x00}, > + {MAX98927_R0024_PCM_SR_SETUP2, 0x00}, > + {MAX98927_R0025_PCM_TO_SPK_MONOMIX_A, 0x00}, > + {MAX98927_R0026_PCM_TO_SPK_MONOMIX_B, 0x00}, > + {MAX98927_R0027_ICC_RX_EN_A, 0x00}, > + {MAX98927_R0028_ICC_RX_EN_B, 0x00}, > + {MAX98927_R002B_ICC_TX_EN_A, 0x00}, > + {MAX98927_R002C_ICC_TX_EN_B, 0x00}, > + {MAX98927_R002E_ICC_HIZ_MANUAL_MODE, 0x00}, > + {MAX98927_R002F_ICC_TX_HIZ_EN_A, 0x00}, > + {MAX98927_R0030_ICC_TX_HIZ_EN_B, 0x00}, > + {MAX98927_R0031_ICC_LNK_EN, 0x00}, > + {MAX98927_R0032_PDM_TX_EN, 0x00}, > + {MAX98927_R0033_PDM_TX_HIZ_CTRL, 0x00}, > + {MAX98927_R0034_PDM_TX_CTRL, 0x00}, > + {MAX98927_R0035_PDM_RX_CTRL, 0x00}, > + {MAX98927_R0036_AMP_VOL_CTRL, 0x00}, > + {MAX98927_R0037_AMP_DSP_CFG, 0x02}, > + {MAX98927_R0038_TONE_GEN_DC_CFG, 0x00}, > + {MAX98927_R0039_DRE_CTRL, 0x01}, > + {MAX98927_R003A_AMP_EN, 0x00}, > + {MAX98927_R003B_SPK_SRC_SEL, 0x00}, > + {MAX98927_R003C_SPK_GAIN, 0x00}, > + {MAX98927_R003D_SSM_CFG, 0x01}, > + {MAX98927_R003E_MEAS_EN, 0x00}, > + {MAX98927_R003F_MEAS_DSP_CFG, 0x04}, > + {MAX98927_R0040_BOOST_CTRL0, 0x00}, > + {MAX98927_R0041_BOOST_CTRL3, 0x00}, > + {MAX98927_R0042_BOOST_CTRL1, 0x00}, > + {MAX98927_R0043_MEAS_ADC_CFG, 0x00}, > + {MAX98927_R0044_MEAS_ADC_BASE_MSB, 0x00}, > + {MAX98927_R0045_MEAS_ADC_BASE_LSB, 0x00}, > + {MAX98927_R0046_ADC_CH0_DIVIDE, 0x00}, > + {MAX98927_R0047_ADC_CH1_DIVIDE, 0x00}, > + {MAX98927_R0048_ADC_CH2_DIVIDE, 0x00}, > + {MAX98927_R0049_ADC_CH0_FILT_CFG, 0x00}, > + {MAX98927_R004A_ADC_CH1_FILT_CFG, 0x00}, > + {MAX98927_R004B_ADC_CH2_FILT_CFG, 0x00}, > + {MAX98927_R004C_MEAS_ADC_CH0_READ, 0x00}, > + {MAX98927_R004D_MEAS_ADC_CH1_READ, 0x00}, > + {MAX98927_R004E_MEAS_ADC_CH2_READ, 0x00}, > + {MAX98927_R0051_BROWNOUT_STATUS, 0x00}, > + {MAX98927_R0052_BROWNOUT_EN, 0x00}, > + {MAX98927_R0053_BROWNOUT_INFINITE_HOLD, 0x00}, > + {MAX98927_R0054_BROWNOUT_INFINITE_HOLD_CLR, 0x00}, > + {MAX98927_R0055_BROWNOUT_LVL_HOLD, 0x00}, > + {MAX98927_R005A_BROWNOUT_LVL1_THRESH, 0x00}, > + {MAX98927_R005B_BROWNOUT_LVL2_THRESH, 0x00}, > + {MAX98927_R005C_BROWNOUT_LVL3_THRESH, 0x00}, > + {MAX98927_R005D_BROWNOUT_LVL4_THRESH, 0x00}, > + {MAX98927_R005E_BROWNOUT_THRESH_HYSTERYSIS, 0x00}, > + {MAX98927_R005F_BROWNOUT_AMP_LIMITER_ATK_REL, 0x00}, > + {MAX98927_R0060_BROWNOUT_AMP_GAIN_ATK_REL, 0x00}, > + {MAX98927_R0061_BROWNOUT_AMP1_CLIP_MODE, 0x00}, > + {MAX98927_R0072_BROWNOUT_LVL1_CUR_LIMIT, 0x00}, > + {MAX98927_R0073_BROWNOUT_LVL1_AMP1_CTRL1, 0x00}, > + {MAX98927_R0074_BROWNOUT_LVL1_AMP1_CTRL2, 0x00}, > + {MAX98927_R0075_BROWNOUT_LVL1_AMP1_CTRL3, 0x00}, > + {MAX98927_R0076_BROWNOUT_LVL2_CUR_LIMIT, 0x00}, > + {MAX98927_R0077_BROWNOUT_LVL2_AMP1_CTRL1, 0x00}, > + {MAX98927_R0078_BROWNOUT_LVL2_AMP1_CTRL2, 0x00}, > + {MAX98927_R0079_BROWNOUT_LVL2_AMP1_CTRL3, 0x00}, > + {MAX98927_R007A_BROWNOUT_LVL3_CUR_LIMIT, 0x00}, > + {MAX98927_R007B_BROWNOUT_LVL3_AMP1_CTRL1, 0x00}, > + {MAX98927_R007C_BROWNOUT_LVL3_AMP1_CTRL2, 0x00}, > + {MAX98927_R007D_BROWNOUT_LVL3_AMP1_CTRL3, 0x00}, > + {MAX98927_R007E_BROWNOUT_LVL4_CUR_LIMIT, 0x00}, > + {MAX98927_R007F_BROWNOUT_LVL4_AMP1_CTRL1, 0x00}, > + {MAX98927_R0080_BROWNOUT_LVL4_AMP1_CTRL2, 0x00}, > + {MAX98927_R0081_BROWNOUT_LVL4_AMP1_CTRL3, 0x00}, > + {MAX98927_R0082_ENV_TRACK_VOUT_HEADROOM, 0x00}, > + {MAX98927_R0083_ENV_TRACK_BOOST_VOUT_DELAY, 0x00}, > + {MAX98927_R0084_ENV_TRACK_REL_RATE, 0x00}, > + {MAX98927_R0085_ENV_TRACK_HOLD_RATE, 0x00}, > + {MAX98927_R0086_ENV_TRACK_CTRL, 0x00}, > + {MAX98927_R0087_ENV_TRACK_BOOST_VOUT_READ, 0x00}, > + {MAX98927_R00FF_GLOBAL_SHDN, 0x00}, > + {MAX98927_R0100_SOFT_RESET, 0x00}, > + {MAX98927_R01FF_REV_ID, 0x40}, > +}; > + > +static int max98927_dai_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) > +{ > + struct snd_soc_codec *codec = codec_dai->codec; > + struct max98927_priv *max98927 = snd_soc_codec_get_drvdata(codec); > + unsigned int mode = 0; > + unsigned int format = 0; > + unsigned int invert = 0; > + > + dev_dbg(codec->dev, "%s: fmt 0x%08X\n", __func__, fmt); > + > + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { > + case SND_SOC_DAIFMT_CBS_CFS: > + mode = MAX98927_PCM_MASTER_MODE_SLAVE; > + break; > + case SND_SOC_DAIFMT_CBM_CFM: > + max98927->master = true; > + mode = MAX98927_PCM_MASTER_MODE_MASTER; > + break; > + default: > + dev_err(codec->dev, "DAI clock mode unsupported"); > + return -EINVAL; > + } > + > + regmap_update_bits(max98927->regmap, > + MAX98927_R0021_PCM_MASTER_MODE, > + MAX98927_PCM_MASTER_MODE_MASK, > + mode); > + > + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { > + case SND_SOC_DAIFMT_NB_NF: > + break; > + case SND_SOC_DAIFMT_IB_NF: > + invert = MAX98927_PCM_MODE_CFG_PCM_BCLKEDGE; > + break; > + default: > + dev_err(codec->dev, "DAI invert mode unsupported"); > + return -EINVAL; > + } > + > + regmap_update_bits(max98927->regmap, > + MAX98927_R0020_PCM_MODE_CFG, > + MAX98927_PCM_MODE_CFG_PCM_BCLKEDGE, > + invert); > + > + /* interface format */ > + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { > + case SND_SOC_DAIFMT_I2S: > + max98927->iface |= SND_SOC_DAIFMT_I2S; > + format = MAX98927_PCM_FORMAT_I2S; > + break; > + case SND_SOC_DAIFMT_LEFT_J: > + max98927->iface |= SND_SOC_DAIFMT_LEFT_J; > + format = MAX98927_PCM_FORMAT_LJ; > + break; > + case SND_SOC_DAIFMT_PDM: > + max98927->iface |= SND_SOC_DAIFMT_PDM; > + break; > + default: > + return -EINVAL; > + } > + > + /* pcm channel configuration */ > + if (max98927->iface & (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_LEFT_J)) { > + regmap_update_bits(max98927->regmap, > + MAX98927_R0018_PCM_RX_EN_A, > + MAX98927_PCM_RX_CH0_EN | MAX98927_PCM_RX_CH1_EN, > + MAX98927_PCM_RX_CH0_EN | MAX98927_PCM_RX_CH1_EN); > + > + regmap_update_bits(max98927->regmap, > + MAX98927_R0020_PCM_MODE_CFG, > + MAX98927_PCM_MODE_CFG_FORMAT_MASK, > + format << MAX98927_PCM_MODE_CFG_FORMAT_SHIFT); > + > + regmap_update_bits(max98927->regmap, > + MAX98927_R003B_SPK_SRC_SEL, > + MAX98927_SPK_SRC_MASK, 0); > + > + } else > + regmap_update_bits(max98927->regmap, > + MAX98927_R0018_PCM_RX_EN_A, > + MAX98927_PCM_RX_CH0_EN | MAX98927_PCM_RX_CH1_EN, 0); > + > + /* pdm channel configuration */ > + if (max98927->iface & SND_SOC_DAIFMT_PDM) { > + regmap_update_bits(max98927->regmap, > + MAX98927_R0035_PDM_RX_CTRL, > + MAX98927_PDM_RX_EN_MASK, 1); > + > + regmap_update_bits(max98927->regmap, > + MAX98927_R003B_SPK_SRC_SEL, > + MAX98927_SPK_SRC_MASK, 3); > + } else > + regmap_update_bits(max98927->regmap, > + MAX98927_R0035_PDM_RX_CTRL, > + MAX98927_PDM_RX_EN_MASK, 0); > + return 0; > +} > + > +/* codec MCLK rate in master mode */ > +static const int rate_table[] = { > + 5644800, 6000000, 6144000, 6500000, > + 9600000, 11289600, 12000000, 12288000, > + 13000000, 19200000, > +}; > + > +static int max98927_set_clock(struct max98927_priv *max98927, > + struct snd_pcm_hw_params *params) > +{ > + struct snd_soc_codec *codec = max98927->codec; > + /* BCLK/LRCLK ratio calculation */ > + int blr_clk_ratio = params_channels(params) * max98927->ch_size; > + int value; > + > + if (max98927->master) { > + int i; > + /* match rate to closest value */ > + for (i = 0; i < ARRAY_SIZE(rate_table); i++) { > + if (rate_table[i] >= max98927->sysclk) > + break; > + } > + if (i == ARRAY_SIZE(rate_table)) { > + dev_err(codec->dev, "failed to find proper clock rate.\n"); > + return -EINVAL; > + } > + regmap_update_bits(max98927->regmap, > + MAX98927_R0021_PCM_MASTER_MODE, > + MAX98927_PCM_MASTER_MODE_MCLK_MASK, > + i << MAX98927_PCM_MASTER_MODE_MCLK_RATE_SHIFT); > + } > + > + switch (blr_clk_ratio) { > + case 32: > + value = 2; > + break; > + case 48: > + value = 3; > + break; > + case 64: > + value = 4; > + break; > + default: > + return -EINVAL; > + } > + regmap_update_bits(max98927->regmap, > + MAX98927_R0022_PCM_CLK_SETUP, > + MAX98927_PCM_CLK_SETUP_BSEL_MASK, > + value); > + return 0; > +} > + > +static int max98927_dai_hw_params(struct snd_pcm_substream *substream, > + struct snd_pcm_hw_params *params, > + struct snd_soc_dai *dai) > +{ > + struct snd_soc_codec *codec = dai->codec; > + struct max98927_priv *max98927 = snd_soc_codec_get_drvdata(codec); > + unsigned int sampling_rate = 0; > + unsigned int chan_sz = 0; > + > + /* pcm mode configuration */ > + switch (snd_pcm_format_width(params_format(params))) { > + case 16: > + chan_sz = MAX98927_PCM_MODE_CFG_CHANSZ_16; > + break; > + case 24: > + chan_sz = MAX98927_PCM_MODE_CFG_CHANSZ_24; > + break; > + case 32: > + chan_sz = MAX98927_PCM_MODE_CFG_CHANSZ_32; > + break; > + default: > + dev_err(codec->dev, "format unsupported %d", > + params_format(params)); > + goto err; > + } > + > + max98927->ch_size = snd_pcm_format_width(params_format(params)); > + > + regmap_update_bits(max98927->regmap, > + MAX98927_R0020_PCM_MODE_CFG, > + MAX98927_PCM_MODE_CFG_CHANSZ_MASK, chan_sz); > + > + dev_dbg(codec->dev, "format supported %d", > + params_format(params)); > + > + /* sampling rate configuration */ > + switch (params_rate(params)) { > + case 8000: > + sampling_rate = MAX98927_PCM_SR_SET1_SR_8000; > + break; > + case 11025: > + sampling_rate = MAX98927_PCM_SR_SET1_SR_11025; > + break; > + case 12000: > + sampling_rate = MAX98927_PCM_SR_SET1_SR_12000; > + break; > + case 16000: > + sampling_rate = MAX98927_PCM_SR_SET1_SR_16000; > + break; > + case 22050: > + sampling_rate = MAX98927_PCM_SR_SET1_SR_22050; > + break; > + case 24000: > + sampling_rate = MAX98927_PCM_SR_SET1_SR_24000; > + break; > + case 32000: > + sampling_rate = MAX98927_PCM_SR_SET1_SR_32000; > + break; > + case 44100: > + sampling_rate = MAX98927_PCM_SR_SET1_SR_44100; > + break; > + case 48000: > + sampling_rate = MAX98927_PCM_SR_SET1_SR_48000; > + break; > + default: > + dev_err(codec->dev, "rate %d not supported\n", > + params_rate(params)); > + goto err; > + } > + /* set DAI_SR to correct LRCLK frequency */ > + regmap_update_bits(max98927->regmap, > + MAX98927_R0023_PCM_SR_SETUP1, > + MAX98927_PCM_SR_SET1_SR_MASK, > + sampling_rate); > + regmap_update_bits(max98927->regmap, > + MAX98927_R0024_PCM_SR_SETUP2, > + MAX98927_PCM_SR_SET2_SR_MASK, > + sampling_rate << MAX98927_PCM_SR_SET2_SR_SHIFT); > + > + /* set sampling rate of IV */ > + if (max98927->interleave_mode && > + sampling_rate > MAX98927_PCM_SR_SET1_SR_16000) > + regmap_update_bits(max98927->regmap, > + MAX98927_R0024_PCM_SR_SETUP2, > + MAX98927_PCM_SR_SET2_IVADC_SR_MASK, > + sampling_rate - 3); > + else > + regmap_update_bits(max98927->regmap, > + MAX98927_R0024_PCM_SR_SETUP2, > + MAX98927_PCM_SR_SET2_IVADC_SR_MASK, > + sampling_rate); > + return max98927_set_clock(max98927, params); > +err: > + return -EINVAL; > +} > + > +#define MAX98927_RATES SNDRV_PCM_RATE_8000_48000 > + > +#define MAX98927_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \ > + SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) > + > +static int max98927_dai_set_sysclk(struct snd_soc_dai *dai, > + int clk_id, unsigned int freq, int dir) > +{ > + struct snd_soc_codec *codec = dai->codec; > + struct max98927_priv *max98927 = snd_soc_codec_get_drvdata(codec); > + > + max98927->sysclk = freq; > + return 0; > +} > + > +static const struct snd_soc_dai_ops max98927_dai_ops = { > + .set_sysclk = max98927_dai_set_sysclk, > + .set_fmt = max98927_dai_set_fmt, > + .hw_params = max98927_dai_hw_params, > +}; > + > +static int max98927_dac_event(struct snd_soc_dapm_widget *w, > + struct snd_kcontrol *kcontrol, int event) > +{ > + struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); > + struct max98927_priv *max98927 = snd_soc_codec_get_drvdata(codec); > + > + switch (event) { > + case SND_SOC_DAPM_POST_PMU: > + regmap_update_bits(max98927->regmap, > + MAX98927_R003A_AMP_EN, > + MAX98927_AMP_EN_MASK, 1); > + /* enable VMON and IMON */ > + regmap_update_bits(max98927->regmap, > + MAX98927_R003E_MEAS_EN, > + MAX98927_MEAS_V_EN | MAX98927_MEAS_I_EN, > + MAX98927_MEAS_V_EN | MAX98927_MEAS_I_EN); > + regmap_update_bits(max98927->regmap, > + MAX98927_R00FF_GLOBAL_SHDN, > + MAX98927_GLOBAL_EN_MASK, 1); > + break; > + case SND_SOC_DAPM_POST_PMD: > + regmap_update_bits(max98927->regmap, > + MAX98927_R00FF_GLOBAL_SHDN, > + MAX98927_GLOBAL_EN_MASK, 0); > + regmap_update_bits(max98927->regmap, > + MAX98927_R003A_AMP_EN, > + MAX98927_AMP_EN_MASK, 0); > + /* disable VMON and IMON */ > + regmap_update_bits(max98927->regmap, > + MAX98927_R003E_MEAS_EN, > + MAX98927_MEAS_V_EN | MAX98927_MEAS_I_EN, 0); > + break; > + default: > + return 0; > + } > + return 0; > +} > + > +static const char * const max98927_switch_text[] = { > + "Left", "Right", "LeftRight"}; > + > +static const struct soc_enum dai_sel_enum = > + SOC_ENUM_SINGLE(MAX98927_R0025_PCM_TO_SPK_MONOMIX_A, > + MAX98927_PCM_TO_SPK_MONOMIX_CFG_SHIFT, > + 3, max98927_switch_text); > + > +static const struct snd_kcontrol_new max98927_dai_controls = > + SOC_DAPM_ENUM("DAI Sel", dai_sel_enum); > + > +static const struct snd_soc_dapm_widget max98927_dapm_widgets[] = { > + SND_SOC_DAPM_AIF_IN("DAI_OUT", "HiFi Playback", 0, SND_SOC_NOPM, 0, 0), > + SND_SOC_DAPM_DAC_E("Amp Enable", "HiFi Playback", MAX98927_R003A_AMP_EN, > + 0, 0, max98927_dac_event, > + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), > + SND_SOC_DAPM_MUX("DAI Sel Mux", SND_SOC_NOPM, 0, 0, > + &max98927_dai_controls), > + SND_SOC_DAPM_OUTPUT("BE_OUT"), > +}; > + > +static DECLARE_TLV_DB_SCALE(max98927_spk_tlv, 300, 300, 0); > +static DECLARE_TLV_DB_SCALE(max98927_digital_tlv, -1600, 25, 0); > + > +static bool max98927_readable_register(struct device *dev, unsigned int reg) > +{ > + switch (reg) { > + case MAX98927_R0001_INT_RAW1 ... MAX98927_R0028_ICC_RX_EN_B: > + case MAX98927_R002B_ICC_TX_EN_A ... MAX98927_R002C_ICC_TX_EN_B: > + case MAX98927_R002E_ICC_HIZ_MANUAL_MODE > + ... MAX98927_R004E_MEAS_ADC_CH2_READ: > + case MAX98927_R0051_BROWNOUT_STATUS > + ... MAX98927_R0055_BROWNOUT_LVL_HOLD: > + case MAX98927_R005A_BROWNOUT_LVL1_THRESH > + ... MAX98927_R0061_BROWNOUT_AMP1_CLIP_MODE: > + case MAX98927_R0072_BROWNOUT_LVL1_CUR_LIMIT > + ... MAX98927_R0087_ENV_TRACK_BOOST_VOUT_READ: > + case MAX98927_R00FF_GLOBAL_SHDN: > + case MAX98927_R0100_SOFT_RESET: > + case MAX98927_R01FF_REV_ID: > + return true; > + default: > + return false; > + } > +}; > + > +static bool max98927_volatile_reg(struct device *dev, unsigned int reg) > +{ > + switch (reg) { > + case MAX98927_R0001_INT_RAW1 ... MAX98927_R0009_INT_FLAG3: > + return true; > + default: > + return false; > + } > +} > + > +static const char * const max98927_boost_voltage_text[] = { > + "6.5V", "6.625V", "6.75V", "6.875V", "7V", "7.125V", "7.25V", "7.375V", > + "7.5V", "7.625V", "7.75V", "7.875V", "8V", "8.125V", "8.25V", "8.375V", > + "8.5V", "8.625V", "8.75V", "8.875V", "9V", "9.125V", "9.25V", "9.375V", > + "9.5V", "9.625V", "9.75V", "9.875V", "10V" > +}; > + > +static SOC_ENUM_SINGLE_DECL(max98927_boost_voltage, > + MAX98927_R0040_BOOST_CTRL0, 0, > + max98927_boost_voltage_text); > + > +static const char * const max98927_current_limit_text[] = { > + "1.00A", "1.10A", "1.20A", "1.30A", "1.40A", "1.50A", "1.60A", "1.70A", > + "1.80A", "1.90A", "2.00A", "2.10A", "2.20A", "2.30A", "2.40A", "2.50A", > + "2.60A", "2.70A", "2.80A", "2.90A", "3.00A", "3.10A", "3.20A", "3.30A", > + "3.40A", "3.50A", "3.60A", "3.70A", "3.80A", "3.90A", "4.00A", "4.10A" > +}; > + > +static SOC_ENUM_SINGLE_DECL(max98927_current_limit, > + MAX98927_R0042_BOOST_CTRL1, 1, > + max98927_current_limit_text); > + > +static const struct snd_kcontrol_new max98927_snd_controls[] = { > + SOC_SINGLE_TLV("Speaker Volume", MAX98927_R003C_SPK_GAIN, > + 0, 6, 0, > + max98927_spk_tlv), > + SOC_SINGLE_TLV("Digital Volume", MAX98927_R0036_AMP_VOL_CTRL, > + 0, (1< + max98927_digital_tlv), > + SOC_SINGLE("Amp DSP Switch", MAX98927_R0052_BROWNOUT_EN, > + MAX98927_BROWNOUT_DSP_SHIFT, 1, 0), > + SOC_SINGLE("Ramp Switch", MAX98927_R0037_AMP_DSP_CFG, > + MAX98927_AMP_DSP_CFG_RMP_SHIFT, 1, 0), > + SOC_SINGLE("DRE Switch", MAX98927_R0039_DRE_CTRL, > + MAX98927_DRE_EN_SHIFT, 1, 0), > + SOC_SINGLE("Volume Location Switch", MAX98927_R0036_AMP_VOL_CTRL, > + MAX98927_AMP_VOL_SEL_SHIFT, 1, 0), > + SOC_ENUM("Boost Output Voltage", max98927_boost_voltage), > + SOC_ENUM("Current Limit", max98927_current_limit), > +}; > + > +static const struct snd_soc_dapm_route max98927_audio_map[] = { > + {"Amp Enable", NULL, "DAI_OUT"}, > + {"DAI Sel Mux", "Left", "Amp Enable"}, > + {"DAI Sel Mux", "Right", "Amp Enable"}, > + {"DAI Sel Mux", "LeftRight", "Amp Enable"}, > + {"BE_OUT", NULL, "DAI Sel Mux"}, > +}; > + > +static struct snd_soc_dai_driver max98927_dai[] = { > + { > + .name = "max98927-aif1", > + .playback = { > + .stream_name = "HiFi Playback", > + .channels_min = 1, > + .channels_max = 2, > + .rates = MAX98927_RATES, > + .formats = MAX98927_FORMATS, > + }, > + .capture = { > + .stream_name = "HiFi Capture", > + .channels_min = 1, > + .channels_max = 2, > + .rates = MAX98927_RATES, > + .formats = MAX98927_FORMATS, > + }, > + .ops = &max98927_dai_ops, > + } > +}; > + > +static int max98927_probe(struct snd_soc_codec *codec) > +{ > + struct max98927_priv *max98927 = snd_soc_codec_get_drvdata(codec); > + > + max98927->codec = codec; > + codec->control_data = max98927->regmap; > + codec->cache_bypass = 1; > + > + /* Software Reset */ > + regmap_write(max98927->regmap, > + MAX98927_R0100_SOFT_RESET, MAX98927_SOFT_RESET); > + > + /* IV default slot configuration */ > + regmap_write(max98927->regmap, > + MAX98927_R001C_PCM_TX_HIZ_CTRL_A, > + 0xFF); > + regmap_write(max98927->regmap, > + MAX98927_R001D_PCM_TX_HIZ_CTRL_B, > + 0xFF); > + regmap_write(max98927->regmap, > + MAX98927_R0025_PCM_TO_SPK_MONOMIX_A, > + 0x80); > + regmap_write(max98927->regmap, > + MAX98927_R0026_PCM_TO_SPK_MONOMIX_B, > + 0x1); > + /* Set inital volume (+13dB) */ > + regmap_write(max98927->regmap, > + MAX98927_R0036_AMP_VOL_CTRL, > + 0x38); > + regmap_write(max98927->regmap, > + MAX98927_R003C_SPK_GAIN, > + 0x05); > + /* Enable DC blocker */ > + regmap_write(max98927->regmap, > + MAX98927_R0037_AMP_DSP_CFG, > + 0x03); > + /* Enable IMON VMON DC blocker */ > + regmap_write(max98927->regmap, > + MAX98927_R003F_MEAS_DSP_CFG, > + 0xF7); > + /* Boost Output Voltage & Current limit */ > + regmap_write(max98927->regmap, > + MAX98927_R0040_BOOST_CTRL0, > + 0x1C); > + regmap_write(max98927->regmap, > + MAX98927_R0042_BOOST_CTRL1, > + 0x3E); > + /* Measurement ADC config */ > + regmap_write(max98927->regmap, > + MAX98927_R0043_MEAS_ADC_CFG, > + 0x04); > + regmap_write(max98927->regmap, > + MAX98927_R0044_MEAS_ADC_BASE_MSB, > + 0x00); > + regmap_write(max98927->regmap, > + MAX98927_R0045_MEAS_ADC_BASE_LSB, > + 0x24); > + /* Brownout Level */ > + regmap_write(max98927->regmap, > + MAX98927_R007F_BROWNOUT_LVL4_AMP1_CTRL1, > + 0x06); > + /* Envelope Tracking configuration */ > + regmap_write(max98927->regmap, > + MAX98927_R0082_ENV_TRACK_VOUT_HEADROOM, > + 0x08); > + regmap_write(max98927->regmap, > + MAX98927_R0086_ENV_TRACK_CTRL, > + 0x01); > + regmap_write(max98927->regmap, > + MAX98927_R0087_ENV_TRACK_BOOST_VOUT_READ, > + 0x10); > + > + /* voltage, current slot configuration */ > + regmap_write(max98927->regmap, > + MAX98927_R001E_PCM_TX_CH_SRC_A, > + (max98927->i_l_slot< + max98927->v_l_slot)&0xFF); > + > + if (max98927->v_l_slot < 8) { > + regmap_update_bits(max98927->regmap, > + MAX98927_R001C_PCM_TX_HIZ_CTRL_A, > + 1 << max98927->v_l_slot, 0); > + regmap_update_bits(max98927->regmap, > + MAX98927_R001A_PCM_TX_EN_A, > + 1 << max98927->v_l_slot, > + 1 << max98927->v_l_slot); > + } else { > + regmap_update_bits(max98927->regmap, > + MAX98927_R001D_PCM_TX_HIZ_CTRL_B, > + 1 << (max98927->v_l_slot - 8), 0); > + regmap_update_bits(max98927->regmap, > + MAX98927_R001B_PCM_TX_EN_B, > + 1 << (max98927->v_l_slot - 8), > + 1 << (max98927->v_l_slot - 8)); > + } > + > + if (max98927->i_l_slot < 8) { > + regmap_update_bits(max98927->regmap, > + MAX98927_R001C_PCM_TX_HIZ_CTRL_A, > + 1 << max98927->i_l_slot, 0); > + regmap_update_bits(max98927->regmap, > + MAX98927_R001A_PCM_TX_EN_A, > + 1 << max98927->i_l_slot, > + 1 << max98927->i_l_slot); > + } else { > + regmap_update_bits(max98927->regmap, > + MAX98927_R001D_PCM_TX_HIZ_CTRL_B, > + 1 << (max98927->i_l_slot - 8), 0); > + regmap_update_bits(max98927->regmap, > + MAX98927_R001B_PCM_TX_EN_B, > + 1 << (max98927->i_l_slot - 8), > + 1 << (max98927->i_l_slot - 8)); > + } > + > + /* Set interleave mode */ > + if (max98927->interleave_mode) > + regmap_update_bits(max98927->regmap, > + MAX98927_R001F_PCM_TX_CH_SRC_B, > + MAX98927_PCM_TX_CH_INTERLEAVE_MASK, > + MAX98927_PCM_TX_CH_INTERLEAVE_MASK); > + return 0; > +} > + > +static const struct snd_soc_codec_driver soc_codec_dev_max98927 = { > + .probe = max98927_probe, > + .component_driver = { > + .controls = max98927_snd_controls, > + .num_controls = ARRAY_SIZE(max98927_snd_controls), > + .dapm_widgets = max98927_dapm_widgets, > + .num_dapm_widgets = ARRAY_SIZE(max98927_dapm_widgets), > + .dapm_routes = max98927_audio_map, > + .num_dapm_routes = ARRAY_SIZE(max98927_audio_map), > + }, > +}; > + > +static const struct regmap_config max98927_regmap = { > + .reg_bits = 16, > + .val_bits = 8, > + .max_register = MAX98927_R01FF_REV_ID, > + .reg_defaults = max98927_reg, > + .num_reg_defaults = ARRAY_SIZE(max98927_reg), > + .readable_reg = max98927_readable_register, > + .volatile_reg = max98927_volatile_reg, > + .cache_type = REGCACHE_RBTREE, > +}; > + > +static void max98927_slot_config(struct i2c_client *i2c, > + struct max98927_priv *max98927) > +{ > + int value; > + > + if (!of_property_read_u32(i2c->dev.of_node, > + "vmon-slot-no", &value)) > + max98927->v_l_slot = value & 0xF; > + else > + max98927->v_l_slot = 0; > + if (!of_property_read_u32(i2c->dev.of_node, > + "imon-slot-no", &value)) > + max98927->i_l_slot = value & 0xF; > + else > + max98927->i_l_slot = 1; > +} > + > +static int max98927_i2c_probe(struct i2c_client *i2c, > + const struct i2c_device_id *id) > +{ > + > + int ret = 0, value; > + int reg = 0; > + struct max98927_priv *max98927 = NULL; > + > + max98927 = devm_kzalloc(&i2c->dev, > + sizeof(*max98927), GFP_KERNEL); > + > + if (!max98927) { > + ret = -ENOMEM; > + return ret; > + } > + i2c_set_clientdata(i2c, max98927); > + > + /* update interleave mode info */ > + if (!of_property_read_u32(i2c->dev.of_node, > + "interleave_mode", &value)) { > + if (value > 0) > + max98927->interleave_mode = 1; > + else > + max98927->interleave_mode = 0; > + } else > + max98927->interleave_mode = 0; > + > + /* regmap initialization */ > + max98927->regmap > + = devm_regmap_init_i2c(i2c, &max98927_regmap); > + if (IS_ERR(max98927->regmap)) { > + ret = PTR_ERR(max98927->regmap); > + dev_err(&i2c->dev, > + "Failed to allocate regmap: %d\n", ret); > + return ret; > + } > + > + /* Check Revision ID */ > + ret = regmap_read(max98927->regmap, > + MAX98927_R01FF_REV_ID, ®); > + if (ret < 0) { > + dev_err(&i2c->dev, > + "Failed to read: 0x%02X\n", MAX98927_R01FF_REV_ID); > + return ret; > + } > + dev_info(&i2c->dev, "MAX98927 revisionID: 0x%02X\n", reg); > + > + /* voltage/current slot configuration */ > + max98927_slot_config(i2c, max98927); > + > + /* codec registeration */ > + ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_max98927, > + max98927_dai, ARRAY_SIZE(max98927_dai)); > + if (ret < 0) > + dev_err(&i2c->dev, "Failed to register codec: %d\n", ret); > + > + return ret; > +} > + > +static int max98927_i2c_remove(struct i2c_client *client) > +{ > + snd_soc_unregister_codec(&client->dev); > + return 0; > +} > + > +static const struct i2c_device_id max98927_i2c_id[] = { > + { "max98927", 0}, > + { }, > +}; > + > +MODULE_DEVICE_TABLE(i2c, max98927_i2c_id); > + > +#if defined(CONFIG_OF) > +static const struct of_device_id max98927_of_match[] = { > + { .compatible = "maxim,max98927", }, > + { } > +}; > +MODULE_DEVICE_TABLE(of, max98927_of_match); > +#endif > + > +#ifdef CONFIG_ACPI > +static const struct acpi_device_id max98927_acpi_match[] = { > + { "MX98927", 0 }, > + {}, > +}; > +MODULE_DEVICE_TABLE(acpi, max98927_acpi_match); > +#endif > + > +static struct i2c_driver max98927_i2c_driver = { > + .driver = { > + .name = "max98927", > + .of_match_table = of_match_ptr(max98927_of_match), > + .acpi_match_table = ACPI_PTR(max98927_acpi_match), > + .pm = NULL, > + }, > + .probe = max98927_i2c_probe, > + .remove = max98927_i2c_remove, > + .id_table = max98927_i2c_id, > +}; > + > +module_i2c_driver(max98927_i2c_driver) > + > +MODULE_DESCRIPTION("ALSA SoC MAX98927 driver"); > +MODULE_AUTHOR("Ryan Lee "); > +MODULE_LICENSE("GPL"); > diff --git a/sound/soc/codecs/max98927.h b/sound/soc/codecs/max98927.h > new file mode 100644 > index 000000000000..ece6a608cbe1 > --- /dev/null > +++ b/sound/soc/codecs/max98927.h > @@ -0,0 +1,272 @@ > +/* > + * max98927.h -- MAX98927 ALSA Soc Audio driver > + * > + * Copyright 2013-15 Maxim Integrated Products > + * Author: Ryan Lee > + * > + * 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. > + * > + */ > +#ifndef _MAX98927_H > +#define _MAX98927_H > + > +/* Register Values */ > +#define MAX98927_R0001_INT_RAW1 0x0001 > +#define MAX98927_R0002_INT_RAW2 0x0002 > +#define MAX98927_R0003_INT_RAW3 0x0003 > +#define MAX98927_R0004_INT_STATE1 0x0004 > +#define MAX98927_R0005_INT_STATE2 0x0005 > +#define MAX98927_R0006_INT_STATE3 0x0006 > +#define MAX98927_R0007_INT_FLAG1 0x0007 > +#define MAX98927_R0008_INT_FLAG2 0x0008 > +#define MAX98927_R0009_INT_FLAG3 0x0009 > +#define MAX98927_R000A_INT_EN1 0x000A > +#define MAX98927_R000B_INT_EN2 0x000B > +#define MAX98927_R000C_INT_EN3 0x000C > +#define MAX98927_R000D_INT_FLAG_CLR1 0x000D > +#define MAX98927_R000E_INT_FLAG_CLR2 0x000E > +#define MAX98927_R000F_INT_FLAG_CLR3 0x000F > +#define MAX98927_R0010_IRQ_CTRL 0x0010 > +#define MAX98927_R0011_CLK_MON 0x0011 > +#define MAX98927_R0012_WDOG_CTRL 0x0012 > +#define MAX98927_R0013_WDOG_RST 0x0013 > +#define MAX98927_R0014_MEAS_ADC_THERM_WARN_THRESH 0x0014 > +#define MAX98927_R0015_MEAS_ADC_THERM_SHDN_THRESH 0x0015 > +#define MAX98927_R0016_MEAS_ADC_THERM_HYSTERESIS 0x0016 > +#define MAX98927_R0017_PIN_CFG 0x0017 > +#define MAX98927_R0018_PCM_RX_EN_A 0x0018 > +#define MAX98927_R0019_PCM_RX_EN_B 0x0019 > +#define MAX98927_R001A_PCM_TX_EN_A 0x001A > +#define MAX98927_R001B_PCM_TX_EN_B 0x001B > +#define MAX98927_R001C_PCM_TX_HIZ_CTRL_A 0x001C > +#define MAX98927_R001D_PCM_TX_HIZ_CTRL_B 0x001D > +#define MAX98927_R001E_PCM_TX_CH_SRC_A 0x001E > +#define MAX98927_R001F_PCM_TX_CH_SRC_B 0x001F > +#define MAX98927_R0020_PCM_MODE_CFG 0x0020 > +#define MAX98927_R0021_PCM_MASTER_MODE 0x0021 > +#define MAX98927_R0022_PCM_CLK_SETUP 0x0022 > +#define MAX98927_R0023_PCM_SR_SETUP1 0x0023 > +#define MAX98927_R0024_PCM_SR_SETUP2 0x0024 > +#define MAX98927_R0025_PCM_TO_SPK_MONOMIX_A 0x0025 > +#define MAX98927_R0026_PCM_TO_SPK_MONOMIX_B 0x0026 > +#define MAX98927_R0027_ICC_RX_EN_A 0x0027 > +#define MAX98927_R0028_ICC_RX_EN_B 0x0028 > +#define MAX98927_R002B_ICC_TX_EN_A 0x002B > +#define MAX98927_R002C_ICC_TX_EN_B 0x002C > +#define MAX98927_R002E_ICC_HIZ_MANUAL_MODE 0x002E > +#define MAX98927_R002F_ICC_TX_HIZ_EN_A 0x002F > +#define MAX98927_R0030_ICC_TX_HIZ_EN_B 0x0030 > +#define MAX98927_R0031_ICC_LNK_EN 0x0031 > +#define MAX98927_R0032_PDM_TX_EN 0x0032 > +#define MAX98927_R0033_PDM_TX_HIZ_CTRL 0x0033 > +#define MAX98927_R0034_PDM_TX_CTRL 0x0034 > +#define MAX98927_R0035_PDM_RX_CTRL 0x0035 > +#define MAX98927_R0036_AMP_VOL_CTRL 0x0036 > +#define MAX98927_R0037_AMP_DSP_CFG 0x0037 > +#define MAX98927_R0038_TONE_GEN_DC_CFG 0x0038 > +#define MAX98927_R0039_DRE_CTRL 0x0039 > +#define MAX98927_R003A_AMP_EN 0x003A > +#define MAX98927_R003B_SPK_SRC_SEL 0x003B > +#define MAX98927_R003C_SPK_GAIN 0x003C > +#define MAX98927_R003D_SSM_CFG 0x003D > +#define MAX98927_R003E_MEAS_EN 0x003E > +#define MAX98927_R003F_MEAS_DSP_CFG 0x003F > +#define MAX98927_R0040_BOOST_CTRL0 0x0040 > +#define MAX98927_R0041_BOOST_CTRL3 0x0041 > +#define MAX98927_R0042_BOOST_CTRL1 0x0042 > +#define MAX98927_R0043_MEAS_ADC_CFG 0x0043 > +#define MAX98927_R0044_MEAS_ADC_BASE_MSB 0x0044 > +#define MAX98927_R0045_MEAS_ADC_BASE_LSB 0x0045 > +#define MAX98927_R0046_ADC_CH0_DIVIDE 0x0046 > +#define MAX98927_R0047_ADC_CH1_DIVIDE 0x0047 > +#define MAX98927_R0048_ADC_CH2_DIVIDE 0x0048 > +#define MAX98927_R0049_ADC_CH0_FILT_CFG 0x0049 > +#define MAX98927_R004A_ADC_CH1_FILT_CFG 0x004A > +#define MAX98927_R004B_ADC_CH2_FILT_CFG 0x004B > +#define MAX98927_R004C_MEAS_ADC_CH0_READ 0x004C > +#define MAX98927_R004D_MEAS_ADC_CH1_READ 0x004D > +#define MAX98927_R004E_MEAS_ADC_CH2_READ 0x004E > +#define MAX98927_R0051_BROWNOUT_STATUS 0x0051 > +#define MAX98927_R0052_BROWNOUT_EN 0x0052 > +#define MAX98927_R0053_BROWNOUT_INFINITE_HOLD 0x0053 > +#define MAX98927_R0054_BROWNOUT_INFINITE_HOLD_CLR 0x0054 > +#define MAX98927_R0055_BROWNOUT_LVL_HOLD 0x0055 > +#define MAX98927_R005A_BROWNOUT_LVL1_THRESH 0x005A > +#define MAX98927_R005B_BROWNOUT_LVL2_THRESH 0x005B > +#define MAX98927_R005C_BROWNOUT_LVL3_THRESH 0x005C > +#define MAX98927_R005D_BROWNOUT_LVL4_THRESH 0x005D > +#define MAX98927_R005E_BROWNOUT_THRESH_HYSTERYSIS 0x005E > +#define MAX98927_R005F_BROWNOUT_AMP_LIMITER_ATK_REL 0x005F > +#define MAX98927_R0060_BROWNOUT_AMP_GAIN_ATK_REL 0x0060 > +#define MAX98927_R0061_BROWNOUT_AMP1_CLIP_MODE 0x0061 > +#define MAX98927_R0072_BROWNOUT_LVL1_CUR_LIMIT 0x0072 > +#define MAX98927_R0073_BROWNOUT_LVL1_AMP1_CTRL1 0x0073 > +#define MAX98927_R0074_BROWNOUT_LVL1_AMP1_CTRL2 0x0074 > +#define MAX98927_R0075_BROWNOUT_LVL1_AMP1_CTRL3 0x0075 > +#define MAX98927_R0076_BROWNOUT_LVL2_CUR_LIMIT 0x0076 > +#define MAX98927_R0077_BROWNOUT_LVL2_AMP1_CTRL1 0x0077 > +#define MAX98927_R0078_BROWNOUT_LVL2_AMP1_CTRL2 0x0078 > +#define MAX98927_R0079_BROWNOUT_LVL2_AMP1_CTRL3 0x0079 > +#define MAX98927_R007A_BROWNOUT_LVL3_CUR_LIMIT 0x007A > +#define MAX98927_R007B_BROWNOUT_LVL3_AMP1_CTRL1 0x007B > +#define MAX98927_R007C_BROWNOUT_LVL3_AMP1_CTRL2 0x007C > +#define MAX98927_R007D_BROWNOUT_LVL3_AMP1_CTRL3 0x007D > +#define MAX98927_R007E_BROWNOUT_LVL4_CUR_LIMIT 0x007E > +#define MAX98927_R007F_BROWNOUT_LVL4_AMP1_CTRL1 0x007F > +#define MAX98927_R0080_BROWNOUT_LVL4_AMP1_CTRL2 0x0080 > +#define MAX98927_R0081_BROWNOUT_LVL4_AMP1_CTRL3 0x0081 > +#define MAX98927_R0082_ENV_TRACK_VOUT_HEADROOM 0x0082 > +#define MAX98927_R0083_ENV_TRACK_BOOST_VOUT_DELAY 0x0083 > +#define MAX98927_R0084_ENV_TRACK_REL_RATE 0x0084 > +#define MAX98927_R0085_ENV_TRACK_HOLD_RATE 0x0085 > +#define MAX98927_R0086_ENV_TRACK_CTRL 0x0086 > +#define MAX98927_R0087_ENV_TRACK_BOOST_VOUT_READ 0x0087 > +#define MAX98927_R00FF_GLOBAL_SHDN 0x00FF > +#define MAX98927_R0100_SOFT_RESET 0x0100 > +#define MAX98927_R01FF_REV_ID 0x01FF > + > +/* MAX98927_R0018_PCM_RX_EN_A */ > +#define MAX98927_PCM_RX_CH0_EN (0x1 << 0) > +#define MAX98927_PCM_RX_CH1_EN (0x1 << 1) > +#define MAX98927_PCM_RX_CH2_EN (0x1 << 2) > +#define MAX98927_PCM_RX_CH3_EN (0x1 << 3) > +#define MAX98927_PCM_RX_CH4_EN (0x1 << 4) > +#define MAX98927_PCM_RX_CH5_EN (0x1 << 5) > +#define MAX98927_PCM_RX_CH6_EN (0x1 << 6) > +#define MAX98927_PCM_RX_CH7_EN (0x1 << 7) > + > +/* MAX98927_R001A_PCM_TX_EN_A */ > +#define MAX98927_PCM_TX_CH0_EN (0x1 << 0) > +#define MAX98927_PCM_TX_CH1_EN (0x1 << 1) > +#define MAX98927_PCM_TX_CH2_EN (0x1 << 2) > +#define MAX98927_PCM_TX_CH3_EN (0x1 << 3) > +#define MAX98927_PCM_TX_CH4_EN (0x1 << 4) > +#define MAX98927_PCM_TX_CH5_EN (0x1 << 5) > +#define MAX98927_PCM_TX_CH6_EN (0x1 << 6) > +#define MAX98927_PCM_TX_CH7_EN (0x1 << 7) > + > +/* MAX98927_R001E_PCM_TX_CH_SRC_A */ > +#define MAX98927_PCM_TX_CH_SRC_A_V_SHIFT (0) > +#define MAX98927_PCM_TX_CH_SRC_A_I_SHIFT (4) > + > +/* MAX98927_R001F_PCM_TX_CH_SRC_B */ > +#define MAX98927_PCM_TX_CH_INTERLEAVE_MASK (0x1 << 5) > + > +/* MAX98927_R0020_PCM_MODE_CFG */ > +#define MAX98927_PCM_MODE_CFG_PCM_BCLKEDGE (0x1 << 2) > +#define MAX98927_PCM_MODE_CFG_FORMAT_MASK (0x7 << 3) > +#define MAX98927_PCM_MODE_CFG_FORMAT_SHIFT (3) > +#define MAX98927_PCM_FORMAT_I2S (0x0 << 0) > +#define MAX98927_PCM_FORMAT_LJ (0x1 << 0) > + > +#define MAX98927_PCM_MODE_CFG_CHANSZ_MASK (0x3 << 6) > +#define MAX98927_PCM_MODE_CFG_CHANSZ_16 (0x1 << 6) > +#define MAX98927_PCM_MODE_CFG_CHANSZ_24 (0x2 << 6) > +#define MAX98927_PCM_MODE_CFG_CHANSZ_32 (0x3 << 6) > + > +/* MAX98927_R0021_PCM_MASTER_MODE */ > +#define MAX98927_PCM_MASTER_MODE_MASK (0x3 << 0) > +#define MAX98927_PCM_MASTER_MODE_SLAVE (0x0 << 0) > +#define MAX98927_PCM_MASTER_MODE_MASTER (0x3 << 0) > + > +#define MAX98927_PCM_MASTER_MODE_MCLK_MASK (0xF << 2) > +#define MAX98927_PCM_MASTER_MODE_MCLK_RATE_SHIFT (2) > + > +/* MAX98927_R0022_PCM_CLK_SETUP */ > +#define MAX98927_PCM_CLK_SETUP_BSEL_MASK (0xF << 0) > + > +/* MAX98927_R0023_PCM_SR_SETUP1 */ > +#define MAX98927_PCM_SR_SET1_SR_MASK (0xF << 0) > + > +#define MAX98927_PCM_SR_SET1_SR_8000 (0x0 << 0) > +#define MAX98927_PCM_SR_SET1_SR_11025 (0x1 << 0) > +#define MAX98927_PCM_SR_SET1_SR_12000 (0x2 << 0) > +#define MAX98927_PCM_SR_SET1_SR_16000 (0x3 << 0) > +#define MAX98927_PCM_SR_SET1_SR_22050 (0x4 << 0) > +#define MAX98927_PCM_SR_SET1_SR_24000 (0x5 << 0) > +#define MAX98927_PCM_SR_SET1_SR_32000 (0x6 << 0) > +#define MAX98927_PCM_SR_SET1_SR_44100 (0x7 << 0) > +#define MAX98927_PCM_SR_SET1_SR_48000 (0x8 << 0) > + > +/* MAX98927_R0024_PCM_SR_SETUP2 */ > +#define MAX98927_PCM_SR_SET2_SR_MASK (0xF << 4) > +#define MAX98927_PCM_SR_SET2_SR_SHIFT (4) > +#define MAX98927_PCM_SR_SET2_IVADC_SR_MASK (0xf << 0) > + > +/* MAX98927_R0025_PCM_TO_SPK_MONOMIX_A */ > +#define MAX98927_PCM_TO_SPK_MONOMIX_CFG_MASK (0x3 << 6) > +#define MAX98927_PCM_TO_SPK_MONOMIX_CFG_SHIFT (6) > + > +/* MAX98927_R0035_PDM_RX_CTRL */ > +#define MAX98927_PDM_RX_EN_MASK (0x1 << 0) > + > +/* MAX98927_R0036_AMP_VOL_CTRL */ > +#define MAX98927_AMP_VOL_SEL (0x1 << 7) > +#define MAX98927_AMP_VOL_SEL_WIDTH (1) > +#define MAX98927_AMP_VOL_SEL_SHIFT (7) > +#define MAX98927_AMP_VOL_MASK (0x7f << 0) > +#define MAX98927_AMP_VOL_WIDTH (7) > +#define MAX98927_AMP_VOL_SHIFT (0) > + > +/* MAX98927_R0037_AMP_DSP_CFG */ > +#define MAX98927_AMP_DSP_CFG_DCBLK_EN (0x1 << 0) > +#define MAX98927_AMP_DSP_CFG_DITH_EN (0x1 << 1) > +#define MAX98927_AMP_DSP_CFG_RMP_BYPASS (0x1 << 4) > +#define MAX98927_AMP_DSP_CFG_DAC_INV (0x1 << 5) > +#define MAX98927_AMP_DSP_CFG_RMP_SHIFT (4) > + > +/* MAX98927_R0039_DRE_CTRL */ > +#define MAX98927_DRE_CTRL_DRE_EN (0x1 << 0) > +#define MAX98927_DRE_EN_SHIFT 0x1 > + > +/* MAX98927_R003A_AMP_EN */ > +#define MAX98927_AMP_EN_MASK (0x1 << 0) > + > +/* MAX98927_R003B_SPK_SRC_SEL */ > +#define MAX98927_SPK_SRC_MASK (0x3 << 0) > + > +/* MAX98927_R003C_SPK_GAIN */ > +#define MAX98927_SPK_PCM_GAIN_MASK (0x7 << 0) > +#define MAX98927_SPK_PDM_GAIN_MASK (0x7 << 4) > +#define MAX98927_SPK_GAIN_WIDTH (3) > + > +/* MAX98927_R003E_MEAS_EN */ > +#define MAX98927_MEAS_V_EN (0x1 << 0) > +#define MAX98927_MEAS_I_EN (0x1 << 1) > + > +/* MAX98927_R0040_BOOST_CTRL0 */ > +#define MAX98927_BOOST_CTRL0_VOUT_MASK (0x1f << 0) > +#define MAX98927_BOOST_CTRL0_PVDD_MASK (0x1 << 7) > +#define MAX98927_BOOST_CTRL0_PVDD_EN_SHIFT (7) > + > +/* MAX98927_R0052_BROWNOUT_EN */ > +#define MAX98927_BROWNOUT_BDE_EN (0x1 << 0) > +#define MAX98927_BROWNOUT_AMP_EN (0x1 << 1) > +#define MAX98927_BROWNOUT_DSP_EN (0x1 << 2) > +#define MAX98927_BROWNOUT_DSP_SHIFT (2) > + > +/* MAX98927_R0100_SOFT_RESET */ > +#define MAX98927_SOFT_RESET (0x1 << 0) > + > +/* MAX98927_R00FF_GLOBAL_SHDN */ > +#define MAX98927_GLOBAL_EN_MASK (0x1 << 0) > + > +struct max98927_priv { > + struct regmap *regmap; > + struct snd_soc_codec *codec; > + struct max98927_pdata *pdata; > + unsigned int spk_gain; > + unsigned int sysclk; > + unsigned int v_l_slot; > + unsigned int i_l_slot; > + bool interleave_mode; > + unsigned int ch_size; > + unsigned int rate; > + unsigned int iface; > + unsigned int master; > + unsigned int digital_gain; > +}; > +#endif > -- > 2.11.0 >