From patchwork Fri May 23 19:16:54 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Handrigan X-Patchwork-Id: 4235451 Return-Path: X-Original-To: patchwork-alsa-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 188D8BF90B for ; Fri, 23 May 2014 19:22:45 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 5FEAA203C4 for ; Fri, 23 May 2014 19:22:43 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id 0D788203B7 for ; Fri, 23 May 2014 19:22:41 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id CFCF8265289; Fri, 23 May 2014 21:22:39 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from alsa0.perex.cz (localhost [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id 850602652E3; Fri, 23 May 2014 21:21:27 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id BD5E12652E3; Fri, 23 May 2014 21:21:26 +0200 (CEST) Received: from na01-by2-obe.outbound.protection.outlook.com (mail-by2lp0239.outbound.protection.outlook.com [207.46.163.239]) by alsa0.perex.cz (Postfix) with ESMTP id 1E0822657C3 for ; Fri, 23 May 2014 21:17:17 +0200 (CEST) Received: from BN1AFFO11FD012.protection.gbl (10.58.52.32) by BN1AFFO11HUB023.protection.gbl (10.58.52.133) with Microsoft SMTP Server (TLS) id 15.0.949.9; Fri, 23 May 2014 19:17:14 +0000 Received: from mail1.cirrus.com (141.131.3.20) by BN1AFFO11FD012.mail.protection.outlook.com (10.58.52.72) with Microsoft SMTP Server (TLS) id 15.0.949.9 via Frontend Transport; Fri, 23 May 2014 19:17:14 +0000 Received: from ex3.ad.cirrus.com ([141.131.36.34]) by mail1.cirrus.com (8.13.8/8.12.11) with ESMTP id s4NJHCYG019784; Fri, 23 May 2014 14:17:12 -0500 Received: from localhost (141.131.108.102) by EX3.ad.cirrus.com (141.131.36.39) with Microsoft SMTP Server id 14.3.174.1; Fri, 23 May 2014 14:17:12 -0500 From: Paul Handrigan To: , Date: Fri, 23 May 2014 14:16:54 -0500 Message-ID: <1400872614-21666-2-git-send-email-Paul.Handrigan@cirrus.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1400872614-21666-1-git-send-email-Paul.Handrigan@cirrus.com> References: <1400872614-21666-1-git-send-email-Paul.Handrigan@cirrus.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-Forefront-Antispam-Report: CIP:141.131.3.20; CTRY:US; IPV:NLI; IPV:NLI; EFV:NLI; SFV:NSPM; SFS:(6009001)(189002)(199002)(6806004)(19580395003)(81542001)(44976005)(50226001)(21056001)(62966002)(80022001)(48376002)(83322001)(50466002)(19580405001)(74662001)(46102001)(81342001)(4396001)(31966008)(74502001)(88136002)(99396002)(87936001)(102836001)(57986005)(76176999)(77982001)(92566001)(50986999)(20776003)(89996001)(575784001)(36756003)(85852003)(76506004)(79102001)(92726001)(87286001)(86362001)(77156001)(76482001)(93916002)(47776003)(64706001)(83072002)(2004002); DIR:OUT; SFP:; SCL:1; SRVR:BN1AFFO11HUB023; H:mail1.cirrus.com; FPR:; MLV:sfv; PTR:mail1.cirrus.com; MX:1; A:1; LANG:en; X-OriginatorOrg: cirrus4.onmicrosoft.com X-Forefront-PRVS: 0220D4B98D Received-SPF: SoftFail (: domain of transitioning cirrus.com discourages use of 141.131.3.20 as permitted sender) Authentication-Results: spf=softfail (sender IP is 141.131.3.20) smtp.mailfrom=Paul.Handrigan@cirrus.com; Cc: mark.rutland@arm.com, brian.austin@cirrus.com, pawel.moll@arm.com, ijc+devicetree@hellion.org.uk, lgirdwood@gmail.com, robh+dt@kernel.org, broonie@kernel.org, Paul Handrigan , galak@codeaurora.org Subject: [alsa-devel] [PATCH 2/2] ASoC: Add support for CS4265 CODEC X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds support for the Cirrus Logic Stereo I2C CODEC Signed-off-by: Paul Handrigan --- include/sound/cs4265.h | 18 ++ sound/soc/codecs/Kconfig | 5 + sound/soc/codecs/Makefile | 2 + sound/soc/codecs/cs4265.c | 716 ++++++++++++++++++++++++++++++++++++++++++++++ sound/soc/codecs/cs4265.h | 64 +++++ 5 files changed, 805 insertions(+) create mode 100644 include/sound/cs4265.h create mode 100644 sound/soc/codecs/cs4265.c create mode 100644 sound/soc/codecs/cs4265.h diff --git a/include/sound/cs4265.h b/include/sound/cs4265.h new file mode 100644 index 0000000..90e7e77 --- /dev/null +++ b/include/sound/cs4265.h @@ -0,0 +1,18 @@ +/* + * linux/sound/cs4265.h -- Platform data for CS4265 + * + * Copyright (c) 2014 Cirrus Logic Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __CS4265_H +#define __CS4265_H + +struct cs4265_platform_data { + unsigned int reset_gpio; +}; + +#endif /* __CS4265_H */ diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index c59943a..1af2a2f 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -43,6 +43,7 @@ config SND_SOC_ALL_CODECS select SND_SOC_CS42L52 if I2C && INPUT select SND_SOC_CS42L56 if I2C && INPUT select SND_SOC_CS42L73 if I2C + select SND_SOC_CS4265 if I2C select SND_SOC_CS4270 if I2C select SND_SOC_CS4271 if SND_SOC_I2C_AND_SPI select SND_SOC_CS42XX8_I2C if I2C @@ -300,6 +301,10 @@ config SND_SOC_CS42L73 tristate "Cirrus Logic CS42L73 CODEC" depends on I2C +config SND_SOC_CS4265 + tristate "Cirrus Logic CS4265 CODEC" + depends on I2C + # Cirrus Logic CS4270 Codec config SND_SOC_CS4270 tristate "Cirrus Logic CS4270 CODEC" diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index 1ccdaf0..b3c6b5f 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -30,6 +30,7 @@ snd-soc-cs42l51-i2c-objs := cs42l51-i2c.o snd-soc-cs42l52-objs := cs42l52.o snd-soc-cs42l56-objs := cs42l56.o snd-soc-cs42l73-objs := cs42l73.o +snd-soc-cs4265-objs := cs4265.o snd-soc-cs4270-objs := cs4270.o snd-soc-cs4271-objs := cs4271.o snd-soc-cs42xx8-objs := cs42xx8.o @@ -186,6 +187,7 @@ obj-$(CONFIG_SND_SOC_CS42L51_I2C) += snd-soc-cs42l51-i2c.o obj-$(CONFIG_SND_SOC_CS42L52) += snd-soc-cs42l52.o obj-$(CONFIG_SND_SOC_CS42L56) += snd-soc-cs42l56.o obj-$(CONFIG_SND_SOC_CS42L73) += snd-soc-cs42l73.o +obj-$(CONFIG_SND_SOC_CS4265) += snd-soc-cs4265.o obj-$(CONFIG_SND_SOC_CS4270) += snd-soc-cs4270.o obj-$(CONFIG_SND_SOC_CS4271) += snd-soc-cs4271.o obj-$(CONFIG_SND_SOC_CS42XX8) += snd-soc-cs42xx8.o diff --git a/sound/soc/codecs/cs4265.c b/sound/soc/codecs/cs4265.c new file mode 100644 index 0000000..f7a6be9 --- /dev/null +++ b/sound/soc/codecs/cs4265.c @@ -0,0 +1,716 @@ +/* + * cs4265.c -- CS4265 ALSA SoC audio driver + * + * Copyright 2014 Cirrus Logic, Inc. + * + * Author: Paul Handrigan + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "cs4265.h" + +struct cs4265_private { + struct cs4265_platform_data pdata; + struct regmap *regmap; + struct snd_soc_codec *codec; + struct device *dev; + u8 format; + u32 sysclk; +}; + +static const struct reg_default cs4265_reg_defaults[] = { + { CS4265_PWRCTL, 0x0F }, + { CS4265_DAC_CTL, 0x08 }, + { CS4265_ADC_CTL, 0x00 }, + { CS4265_MCLK_FREQ, 0x00 }, + { CS4265_SIG_SEL, 0x40 }, + { CS4265_CHB_PGA_CTL, 0x00 }, + { CS4265_CHA_PGA_CTL, 0x00 }, + { CS4265_ADC_CTL2, 0x19 }, + { CS4265_DAC_CHA_VOL, 0x00 }, + { CS4265_DAC_CHB_VOL, 0x00 }, + { CS4265_DAC_CTL2, 0xC0 }, + { CS4265_SPDIF_CTL1, 0x00 }, + { CS4265_SPDIF_CTL2, 0x00 }, + { CS4265_INT_MASK, 0x00 }, + { CS4265_STATUS_MODE_MSB, 0x00 }, + { CS4265_STATUS_MODE_LSB, 0x00 }, +}; + +static bool cs4265_readable_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case CS4265_PWRCTL: + case CS4265_DAC_CTL: + case CS4265_ADC_CTL: + case CS4265_MCLK_FREQ: + case CS4265_SIG_SEL: + case CS4265_CHB_PGA_CTL: + case CS4265_CHA_PGA_CTL: + case CS4265_ADC_CTL2: + case CS4265_DAC_CHA_VOL: + case CS4265_DAC_CHB_VOL: + case CS4265_DAC_CTL2: + case CS4265_SPDIF_CTL1: + case CS4265_SPDIF_CTL2: + case CS4265_INT_MASK: + case CS4265_STATUS_MODE_MSB: + case CS4265_STATUS_MODE_LSB: + return true; + default: + return false; + } +} + +static bool cs4265_volatile_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case CS4265_INT_STATUS: + return 1; + default: + return 0; + } +} + +static DECLARE_TLV_DB_SCALE(pga_tlv, -1200, 50, 0); + +static DECLARE_TLV_DB_SCALE(dac_tlv, -12750, 50, 0); + +static const char * const digital_input_mux_text[] = { + "SDIN1", "SDIN2" +}; + +static const struct soc_enum digital_input_mux_enum = + SOC_ENUM_SINGLE(CS4265_SIG_SEL, 7, + ARRAY_SIZE(digital_input_mux_text), + digital_input_mux_text); + +static const struct snd_kcontrol_new digital_input_mux = + SOC_DAPM_ENUM("Digital Input Mux", digital_input_mux_enum); + +static const char * const mic_linein_text[] = { + "MIC", "LINEIN" +}; + +static const struct soc_enum mic_linein_enum = + SOC_ENUM_SINGLE(CS4265_ADC_CTL2, 0, + ARRAY_SIZE(mic_linein_text), mic_linein_text); + +static const char * const cam_mode_text[] = { + "One Byte", "Two Byte" +}; + +static const struct soc_enum cam_mode_enum = + SOC_ENUM_SINGLE(CS4265_SPDIF_CTL1, 5, + ARRAY_SIZE(cam_mode_text), cam_mode_text); + +static const char * const cam_mono_stereo_text[] = { + "Stereo", "Mono" +}; + +static const struct soc_enum spdif_mono_stereo_enum = + SOC_ENUM_SINGLE(CS4265_SPDIF_CTL2, 2, + ARRAY_SIZE(cam_mono_stereo_text), cam_mono_stereo_text); + +static const char * const mono_select_text[] = { + "Channel A", "Channel B" +}; + +static const struct soc_enum spdif_mono_select_enum = + SOC_ENUM_SINGLE(CS4265_SPDIF_CTL2, 0, + ARRAY_SIZE(mono_select_text), mono_select_text); + +static const struct snd_kcontrol_new mic_linein_mux = + SOC_DAPM_ENUM("ADC Input Capture Mux", mic_linein_enum); + +static const struct snd_kcontrol_new loopback_ctl = + SOC_DAPM_SINGLE("Switch", CS4265_SIG_SEL, 1, 1, 0); + +static const struct snd_kcontrol_new cs4265_snd_controls[] = { + + SOC_DOUBLE_R_SX_TLV("PGA Volume", CS4265_CHA_PGA_CTL, + CS4265_CHB_PGA_CTL, 0, 0x28, 0x30, pga_tlv), + SOC_DOUBLE_R_TLV("DAC Volume", CS4265_DAC_CHA_VOL, + CS4265_DAC_CHB_VOL, 0, 0xFF, 1, dac_tlv), + SOC_SINGLE("De-emp 44.1kHz", CS4265_DAC_CTL, 1, + 1, 0), + SOC_SINGLE("DAC INV", CS4265_DAC_CTL2, 5, + 1, 0), + SOC_SINGLE("DAC Zero Cross", CS4265_DAC_CTL2, 6, + 1, 0), + SOC_SINGLE("DAC Soft Ramp", CS4265_DAC_CTL2, 7, + 1, 0), + SOC_SINGLE("ADC HPF Disable", CS4265_ADC_CTL, 1, + 1, 0), + SOC_SINGLE("ADC Zero Cross", CS4265_ADC_CTL2, 3, + 1, 0), + SOC_SINGLE("ADC Soft Ramp", CS4265_ADC_CTL2, 7, + 1, 0), + SOC_SINGLE("E to F Buffer Disable", CS4265_SPDIF_CTL1, + 6, 1, 0), + SOC_ENUM("C Data Access", cam_mode_enum), + SOC_SINGLE("Validity Bit Control", CS4265_SPDIF_CTL2, + 3, 1, 0), + SOC_ENUM("SPDIF Mono/Stereo", spdif_mono_stereo_enum), + SOC_SINGLE("MMTLR Data", 0, + 1, 1, 0), + SOC_ENUM("Mono Channel Select", spdif_mono_select_enum), + SND_SOC_BYTES("C Data Buffer", CS4265_C_DATA_BUFF, 24), +}; + +static const struct snd_soc_dapm_widget cs4265_dapm_widgets[] = { + + SND_SOC_DAPM_INPUT("LINEINL"), + SND_SOC_DAPM_INPUT("LINEINR"), + SND_SOC_DAPM_INPUT("MICL"), + SND_SOC_DAPM_INPUT("MICR"), + + SND_SOC_DAPM_AIF_OUT("DOUT", NULL, 0, + SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_OUT("TXOUT", NULL, 0, + SND_SOC_NOPM, 0, 0), + + SND_SOC_DAPM_MUX("ADC Mux", SND_SOC_NOPM, 0, 0, &mic_linein_mux), + + SND_SOC_DAPM_ADC("ADC", NULL, CS4265_PWRCTL, 2, 1), + SND_SOC_DAPM_DAC("DAC", NULL, CS4265_PWRCTL, 1, 1), + SND_SOC_DAPM_PGA("Pre-amp MIC", CS4265_PWRCTL, 3, + 1, NULL, 0), + + SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, + 0, 0, &digital_input_mux), + + SND_SOC_DAPM_MIXER("SDIN1 Input Mixer", SND_SOC_NOPM, 0, 0, NULL, 0), + SND_SOC_DAPM_MIXER("SDIN2 Input Mixer", SND_SOC_NOPM, 0, 0, NULL, 0), + SND_SOC_DAPM_MIXER("SPDIF Transmitter", SND_SOC_NOPM, 0, 0, NULL, 0), + + SND_SOC_DAPM_SWITCH("Loopback", SND_SOC_NOPM, 0, 0, + &loopback_ctl), + + SND_SOC_DAPM_AIF_IN("DIN1", NULL, 0, + SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_IN("DIN2", NULL, 0, + SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_IN("TXIN", NULL, 0, + CS4265_SPDIF_CTL2, 5, 1), + + SND_SOC_DAPM_OUTPUT("LINEOUTL"), + SND_SOC_DAPM_OUTPUT("LINEOUTR"), + +}; + +static const struct snd_soc_dapm_route cs4265_audio_map[] = { + + {"DIN1", NULL, "DAI1 Playback"}, + {"DIN2", NULL, "DAI2 Playback"}, + {"SDIN1 Input Mixer", NULL, "DIN1"}, + {"SDIN2 Input Mixer", NULL, "DIN2"}, + {"Input Mux", "SDIN1", "SDIN1 Input Mixer"}, + {"Input Mux", "SDIN2", "SDIN2 Input Mixer"}, + {"DAC", NULL, "Input Mux"}, + {"LINEOUTL", NULL, "DAC"}, + {"LINEOUTR", NULL, "DAC"}, + + {"ADC Mux", "LINEIN", "LINEINL"}, + {"ADC Mux", "LINEIN", "LINEINR"}, + {"ADC Mux", "MIC", "MICL"}, + {"ADC Mux", "MIC", "MICR"}, + {"ADC", NULL, "ADC Mux"}, + {"DOUT", NULL, "ADC"}, + {"DAI1 Capture", NULL, "DOUT"}, + {"DAI2 Capture", NULL, "DOUT"}, + + /* Loopback */ + {"Loopback", "Switch", "ADC"}, + {"DAC", NULL, "Loopback"}, + + {"TXIN", NULL, "SPDIF Playback"}, + {"SPDIF Transmitter", NULL, "TXIN"}, + {"TXOUT", NULL, "SPDIF Transmitter"}, + +}; + +struct cs4265_clk_para { + u32 mclk; + u32 rate; + u8 fm_mode; /* values 1, 2, or 4 */ + u8 mclkdiv; +}; + +static const struct cs4265_clk_para clk_map_table[] = { + /*32k*/ + {8192000, 32000, 0, 0}, + {12288000, 32000, 0, 1}, + {16384000, 32000, 0, 2}, + {24576000, 32000, 0, 3}, + {32768000, 32000, 0, 4}, + + /*44.1k*/ + {11289600, 44100, 0, 0}, + {16934400, 44100, 0, 1}, + {22579200, 44100, 0, 2}, + {33868000, 44100, 0, 3}, + {45158400, 44100, 0, 4}, + + /*48k*/ + {12288000, 48000, 0, 0}, + {18432000, 48000, 0, 1}, + {24576000, 48000, 0, 2}, + {36864000, 48000, 0, 3}, + {49152000, 48000, 0, 4}, + + /*64k*/ + {8192000, 64000, 1, 0}, + {1228800, 64000, 1, 1}, + {1693440, 64000, 1, 2}, + {2457600, 64000, 1, 3}, + {3276800, 64000, 1, 4}, + + /* 88.2k */ + {11289600, 88200, 1, 0}, + {16934400, 88200, 1, 1}, + {22579200, 88200, 1, 2}, + {33868000, 88200, 1, 3}, + {45158400, 88200, 1, 4}, + + /* 96k */ + {12288000, 96000, 1, 0}, + {18432000, 96000, 1, 1}, + {24576000, 96000, 1, 2}, + {36864000, 96000, 1, 3}, + {49152000, 96000, 1, 4}, + + /* 128k */ + {8192000, 128000, 2, 0}, + {12288000, 128000, 2, 1}, + {16934400, 128000, 2, 2}, + {24576000, 128000, 2, 3}, + {32768000, 128000, 2, 4}, + + /* 176.4k */ + {11289600, 176400, 2, 0}, + {16934400, 176400, 2, 1}, + {22579200, 176400, 2, 2}, + {33868000, 176400, 2, 3}, + {49152000, 176400, 2, 4}, + + /* 192k */ + {12288000, 192000, 2, 0}, + {18432000, 192000, 2, 1}, + {24576000, 192000, 2, 2}, + {36864000, 192000, 2, 3}, + {49152000, 192000, 2, 4}, +}; + +static int cs4265_get_clk_index(int mclk, int rate) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(clk_map_table); i++) { + if (clk_map_table[i].rate == rate && + clk_map_table[i].mclk == mclk) + return i; + } + return -EINVAL; +} + +static int cs4265_set_sysclk(struct snd_soc_dai *codec_dai, int clk_id, + unsigned int freq, int dir) +{ + struct snd_soc_codec *codec = codec_dai->codec; + struct cs4265_private *cs4265 = snd_soc_codec_get_drvdata(codec); + int i; + + for (i = 0; i < ARRAY_SIZE(clk_map_table); i++) { + if (clk_map_table[i].mclk == freq) { + cs4265->sysclk = freq; + return 0; + } + } + cs4265->sysclk = 0; + dev_err(codec->dev, "Invalid freq parameter %d\n", freq); + return -EINVAL; +} + +static int cs4265_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) +{ + struct snd_soc_codec *codec = codec_dai->codec; + struct cs4265_private *cs4265 = snd_soc_codec_get_drvdata(codec); + u8 iface = 0; + + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBM_CFM: + snd_soc_update_bits(codec, CS4265_ADC_CTL, + CS4265_ADC_MASTER, + CS4265_ADC_MASTER); + break; + case SND_SOC_DAIFMT_CBS_CFS: + snd_soc_update_bits(codec, CS4265_ADC_CTL, + CS4265_ADC_MASTER, + 0); + break; + default: + return -EINVAL; + } + + /* interface format */ + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + iface |= SND_SOC_DAIFMT_I2S; + break; + case SND_SOC_DAIFMT_RIGHT_J: + iface |= SND_SOC_DAIFMT_RIGHT_J; + break; + case SND_SOC_DAIFMT_LEFT_J: + iface |= SND_SOC_DAIFMT_LEFT_J; + break; + default: + return -EINVAL; + } + + cs4265->format = iface; + return 0; +} + +static int cs4265_digital_mute(struct snd_soc_dai *dai, int mute) +{ + struct snd_soc_codec *codec = dai->codec; + + if (mute) { + snd_soc_update_bits(codec, CS4265_DAC_CTL, + CS4265_DAC_CTL_MUTE, + CS4265_DAC_CTL_MUTE); + snd_soc_update_bits(codec, CS4265_SPDIF_CTL2, + CS4265_SPDIF_CTL2_MUTE, + CS4265_SPDIF_CTL2_MUTE); + } else { + snd_soc_update_bits(codec, CS4265_DAC_CTL, + CS4265_DAC_CTL_MUTE, + 0); + snd_soc_update_bits(codec, CS4265_SPDIF_CTL2, + CS4265_SPDIF_CTL2_MUTE, + 0); + } + return 0; +} + +static int cs4265_pcm_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 cs4265_private *cs4265 = snd_soc_codec_get_drvdata(codec); + int index; + + if (substream->stream == SNDRV_PCM_STREAM_CAPTURE && + ((cs4265->format & SND_SOC_DAIFMT_FORMAT_MASK) + == SND_SOC_DAIFMT_RIGHT_J)) + return -EINVAL; + + index = cs4265_get_clk_index(cs4265->sysclk, params_rate(params)); + if (index >= 0) { + snd_soc_update_bits(codec, CS4265_ADC_CTL, + CS4265_ADC_FM, clk_map_table[index].fm_mode); + snd_soc_update_bits(codec, CS4265_MCLK_FREQ, + CS4265_MCLK_FREQ_MASK, + clk_map_table[index].mclkdiv); + + } else { + dev_err(codec->dev, "can't get correct mclk\n"); + return -EINVAL; + } + + switch (cs4265->format & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + snd_soc_update_bits(codec, CS4265_DAC_CTL, + CS4265_DAC_CTL_DIF, (1 << 4)); + snd_soc_update_bits(codec, CS4265_ADC_CTL, + CS4265_ADC_DIF, (1 << 4)); + snd_soc_update_bits(codec, CS4265_SPDIF_CTL2, + CS4265_SPDIF_CTL2_DIF, (1 << 6)); + break; + case SND_SOC_DAIFMT_RIGHT_J: + if (params_format(params) & SNDRV_PCM_FORMAT_S16_LE) { + snd_soc_update_bits(codec, CS4265_DAC_CTL, + CS4265_DAC_CTL_DIF, (1 << 5)); + snd_soc_update_bits(codec, CS4265_ADC_CTL, + CS4265_SPDIF_CTL2_DIF, (1 << 7)); + } else { + snd_soc_update_bits(codec, CS4265_DAC_CTL, + CS4265_DAC_CTL_DIF, (3 << 5)); + snd_soc_update_bits(codec, CS4265_ADC_CTL, + CS4265_SPDIF_CTL2_DIF, (1 << 7)); + } + break; + case SND_SOC_DAIFMT_LEFT_J: + snd_soc_update_bits(codec, CS4265_DAC_CTL, + CS4265_DAC_CTL_DIF, 0); + snd_soc_update_bits(codec, CS4265_ADC_CTL, + CS4265_ADC_DIF, 0); + snd_soc_update_bits(codec, CS4265_ADC_CTL, + CS4265_SPDIF_CTL2_DIF, (1 << 6)); + + break; + default: + return -EINVAL; + } + return 0; +} + +static int cs4265_set_bias_level(struct snd_soc_codec *codec, + enum snd_soc_bias_level level) +{ + switch (level) { + case SND_SOC_BIAS_ON: + break; + case SND_SOC_BIAS_PREPARE: + snd_soc_update_bits(codec, CS4265_PWRCTL, + CS4265_PWRCTL_PDN, 0); + break; + case SND_SOC_BIAS_STANDBY: + snd_soc_update_bits(codec, CS4265_PWRCTL, + CS4265_PWRCTL_PDN, + CS4265_PWRCTL_PDN); + break; + case SND_SOC_BIAS_OFF: + snd_soc_update_bits(codec, CS4265_PWRCTL, + CS4265_PWRCTL_PDN, + CS4265_PWRCTL_PDN); + break; + } + codec->dapm.bias_level = level; + return 0; +} + +#define CS4265_RATES (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \ + SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_64000 | \ + SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | \ + SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000) + +#define CS4265_SPDIF_RATES (SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_192000) + +#define CS4265_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U16_LE | \ + SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_U24_LE) + +static struct snd_soc_dai_ops cs4265_ops = { + .hw_params = cs4265_pcm_hw_params, + .digital_mute = cs4265_digital_mute, + .set_fmt = cs4265_set_fmt, + .set_sysclk = cs4265_set_sysclk, +}; + +static struct snd_soc_dai_driver cs4265_dai[] = { + { + .name = "cs4265-dai1", + .playback = { + .stream_name = "DAI1 Playback", + .channels_min = 1, + .channels_max = 2, + .rates = CS4265_RATES, + .formats = CS4265_FORMATS, + }, + .capture = { + .stream_name = "DAI1 Capture", + .channels_min = 1, + .channels_max = 2, + .rates = CS4265_RATES, + .formats = CS4265_FORMATS, + }, + .ops = &cs4265_ops, + }, + { + .name = "cs4265-dai2", + .playback = { + .stream_name = "DAI2 Playback", + .channels_min = 1, + .channels_max = 2, + .rates = CS4265_RATES, + .formats = CS4265_FORMATS, + }, + .capture = { + .stream_name = "DAI2 Capture", + .channels_min = 1, + .channels_max = 2, + .rates = CS4265_RATES, + .formats = CS4265_FORMATS, + }, + .ops = &cs4265_ops, + }, + { + .name = "cs4265-spdif", + .playback = { + .stream_name = "SPDIF Playback", + .channels_min = 1, + .channels_max = 2, + .rates = CS4265_SPDIF_RATES, + .formats = CS4265_FORMATS, + }, + .ops = &cs4265_ops, + }, +}; + +static int cs4265_probe(struct snd_soc_codec *codec) +{ + return 0; +} + +static int cs4265_remove(struct snd_soc_codec *codec) +{ + return 0; +} + +static struct snd_soc_codec_driver soc_codec_dev_cs4265 = { + .probe = cs4265_probe, + .remove = cs4265_remove, + .set_bias_level = cs4265_set_bias_level, + + .dapm_widgets = cs4265_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(cs4265_dapm_widgets), + .dapm_routes = cs4265_audio_map, + .num_dapm_routes = ARRAY_SIZE(cs4265_audio_map), + + .controls = cs4265_snd_controls, + .num_controls = ARRAY_SIZE(cs4265_snd_controls), +}; + +static struct regmap_config cs4265_regmap = { + .reg_bits = 8, + .val_bits = 8, + + .max_register = CS4265_MAX_REGISTER, + .reg_defaults = cs4265_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(cs4265_reg_defaults), + .readable_reg = cs4265_readable_register, + .volatile_reg = cs4265_volatile_register, + .cache_type = REGCACHE_RBTREE, +}; + +static int cs4265_i2c_probe(struct i2c_client *i2c_client, + const struct i2c_device_id *id) +{ + struct cs4265_private *cs4265; + struct cs4265_platform_data *pdata = dev_get_platdata(&i2c_client->dev); + int ret = 0; + unsigned int devid = 0; + unsigned int reg; + + cs4265 = devm_kzalloc(&i2c_client->dev, sizeof(struct cs4265_private), + GFP_KERNEL); + if (cs4265 == NULL) + return -ENOMEM; + cs4265->dev = &i2c_client->dev; + + cs4265->regmap = devm_regmap_init_i2c(i2c_client, &cs4265_regmap); + if (IS_ERR(cs4265->regmap)) { + ret = PTR_ERR(cs4265->regmap); + dev_err(&i2c_client->dev, "regmap_init() failed: %d\n", ret); + return ret; + } + + if (pdata) { + cs4265->pdata = *pdata; + } else { + pdata = devm_kzalloc(&i2c_client->dev, + sizeof(struct cs4265_platform_data), + GFP_KERNEL); + if (!pdata) { + dev_err(&i2c_client->dev, "could not allocate pdata\n"); + return -ENOMEM; + } + pdata->reset_gpio = of_get_named_gpio(i2c_client->dev.of_node, + "reset-gpio", 0); + cs4265->pdata = *pdata; + } + + i2c_set_clientdata(i2c_client, cs4265); + + if (gpio_is_valid(cs4265->pdata.reset_gpio)) { + ret = devm_gpio_request_one(&i2c_client->dev, + cs4265->pdata.reset_gpio, + GPIOF_OUT_INIT_HIGH, "CS4265 /RST"); + if (ret < 0) { + dev_err(&i2c_client->dev, "Failed to request /RST %d: %d\n", + cs4265->pdata.reset_gpio, ret); + return ret; + } + gpio_set_value_cansleep(cs4265->pdata.reset_gpio, 0); + gpio_set_value_cansleep(cs4265->pdata.reset_gpio, 1); + } + + ret = regmap_read(cs4265->regmap, CS4265_CHIP_ID, ®); + devid = reg & CS4265_CHIP_ID_MASK; + if (devid != CS4265_CHIP_ID_VAL) { + ret = -ENODEV; + dev_err(&i2c_client->dev, + "CS4265 Device ID (%X). Expected %X\n", + devid, CS4265_CHIP_ID); + return ret; + } + dev_info(&i2c_client->dev, + "CS4265 Version %x\n", + reg & CS4265_REV_ID_MASK); + + regmap_write(cs4265->regmap, CS4265_PWRCTL, 0x0F); + + ret = snd_soc_register_codec(&i2c_client->dev, + &soc_codec_dev_cs4265, cs4265_dai, + ARRAY_SIZE(cs4265_dai)); + return ret; +} + +static int cs4265_i2c_remove(struct i2c_client *client) +{ + snd_soc_unregister_codec(&client->dev); + return 0; +} + +static const struct of_device_id cs4265_of_match[] = { + { .compatible = "cirrus,cs4265", }, + { } +}; +MODULE_DEVICE_TABLE(of, cs4265_of_match); + +static const struct i2c_device_id cs4265_id[] = { + { "cs4265", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, cs4265_id); + +static struct i2c_driver cs4265_i2c_driver = { + .driver = { + .name = "cs4265", + .owner = THIS_MODULE, + .of_match_table = cs4265_of_match, + }, + .id_table = cs4265_id, + .probe = cs4265_i2c_probe, + .remove = cs4265_i2c_remove, +}; + +module_i2c_driver(cs4265_i2c_driver); + +MODULE_DESCRIPTION("ASoC CS4265 driver"); +MODULE_AUTHOR("Paul Handrigan, Cirrus Logic Inc, "); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/codecs/cs4265.h b/sound/soc/codecs/cs4265.h new file mode 100644 index 0000000..0a80a8d --- /dev/null +++ b/sound/soc/codecs/cs4265.h @@ -0,0 +1,64 @@ +/* + * cs4265.h -- CS4265 ALSA SoC audio driver + * + * Copyright 2014 Cirrus Logic, Inc. + * + * Author: Paul Handrigan + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#ifndef __CS4265_H__ +#define __CS4265_H__ + +#define CS4265_CHIP_ID 0x1 +#define CS4265_CHIP_ID_VAL 0xD0 +#define CS4265_CHIP_ID_MASK 0xF0 +#define CS4265_REV_ID_MASK 0x0F + +#define CS4265_PWRCTL 0x02 +#define CS4265_PWRCTL_PDN 1 + +#define CS4265_DAC_CTL 0x3 +#define CS4265_DAC_CTL_MUTE (1 << 2) +#define CS4265_DAC_CTL_DIF (3 << 4) + +#define CS4265_ADC_CTL 0x4 +#define CS4265_ADC_MASTER 1 +#define CS4265_ADC_DIF (1 << 4) +#define CS4265_ADC_FM (3 << 6) + +#define CS4265_MCLK_FREQ 0x5 +#define CS4265_MCLK_FREQ_MASK (7 << 4) + +#define CS4265_SIG_SEL 0x6 +#define CS4265_SIG_SEL_LOOP (1 << 1) + +#define CS4265_CHB_PGA_CTL 0x7 +#define CS4265_CHA_PGA_CTL 0x8 + +#define CS4265_ADC_CTL2 0x9 + +#define CS4265_DAC_CHA_VOL 0xA +#define CS4265_DAC_CHB_VOL 0xB + +#define CS4265_DAC_CTL2 0xC + +#define CS4265_INT_STATUS 0xD +#define CS4265_INT_MASK 0xE +#define CS4265_STATUS_MODE_MSB 0xF +#define CS4265_STATUS_MODE_LSB 0x10 + +#define CS4265_SPDIF_CTL1 0x11 + +#define CS4265_SPDIF_CTL2 0x12 +#define CS4265_SPDIF_CTL2_MUTE (1 << 4) +#define CS4265_SPDIF_CTL2_DIF (3 << 6) + +#define CS4265_C_DATA_BUFF 0x13 +#define CS4265_MAX_REGISTER 0x2A + +#endif