From patchwork Fri Sep 18 03:09:13 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zidan Wang X-Patchwork-Id: 7212721 Return-Path: X-Original-To: patchwork-alsa-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 361CE9F380 for ; Fri, 18 Sep 2015 03:09:57 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 50FBC207D1 for ; Fri, 18 Sep 2015 03:09:56 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id 0539F207CE for ; Fri, 18 Sep 2015 03:09:55 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 184B126599F; Fri, 18 Sep 2015 05:09:54 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Status: No, score=-2.6 required=5.0 tests=BAD_ENC_HEADER,BAYES_00, RCVD_IN_DNSWL_LOW, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from alsa0.perex.cz (localhost [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id 9CAC1265AB2; Fri, 18 Sep 2015 05:08:26 +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 3B1A7265AB9; Fri, 18 Sep 2015 05:08:26 +0200 (CEST) Received: from na01-bl2-obe.outbound.protection.outlook.com (mail-bl2on0133.outbound.protection.outlook.com [65.55.169.133]) by alsa0.perex.cz (Postfix) with ESMTP id 2CAB526596E for ; Fri, 18 Sep 2015 05:07:53 +0200 (CEST) Received: from CY1PR0301MB1257.namprd03.prod.outlook.com (10.161.212.155) by CY1PR0301MB0649.namprd03.prod.outlook.com (10.160.158.143) with Microsoft SMTP Server (TLS) id 15.1.268.17; Fri, 18 Sep 2015 03:07:51 +0000 Received: from CH1PR03CA009.namprd03.prod.outlook.com (10.255.156.154) by CY1PR0301MB1257.namprd03.prod.outlook.com (10.161.212.155) with Microsoft SMTP Server (TLS) id 15.1.274.16; Fri, 18 Sep 2015 03:07:50 +0000 Received: from BY2FFO11FD028.protection.gbl (10.255.156.132) by CH1PR03CA009.outlook.office365.com (10.255.156.154) with Microsoft SMTP Server (TLS) id 15.1.274.16 via Frontend Transport; Fri, 18 Sep 2015 03:07:50 +0000 Authentication-Results: spf=fail (sender IP is 192.88.168.50) smtp.mailfrom=freescale.com; freescale.mail.onmicrosoft.com; dkim=none (message not signed) header.d=none; freescale.mail.onmicrosoft.com; dmarc=none action=none header.from=freescale.com; Received-SPF: Fail (protection.outlook.com: domain of freescale.com does not designate 192.88.168.50 as permitted sender) receiver=protection.outlook.com; client-ip=192.88.168.50; helo=tx30smr01.am.freescale.net; Received: from tx30smr01.am.freescale.net (192.88.168.50) by BY2FFO11FD028.mail.protection.outlook.com (10.1.15.217) with Microsoft SMTP Server (TLS) id 15.1.274.4 via Frontend Transport; Fri, 18 Sep 2015 03:07:49 +0000 Received: from b50113.ap.freescale.net (b50113.ap.freescale.net [10.192.241.89]) by tx30smr01.am.freescale.net (8.14.3/8.14.0) with ESMTP id t8I37aex018409; Thu, 17 Sep 2015 20:07:47 -0700 From: Zidan Wang To: Date: Fri, 18 Sep 2015 11:09:13 +0800 Message-ID: X-Mailer: git-send-email 1.9.1 In-Reply-To: <612136e8272099d9bb5058f0293bb14d1c86e53e.1442543331.git.zidan.wang@freescale.com> References: <612136e8272099d9bb5058f0293bb14d1c86e53e.1442543331.git.zidan.wang@freescale.com> X-EOPAttributedMessage: 0 X-Microsoft-Exchange-Diagnostics: 1; BY2FFO11FD028; 1:o5ZamcaWmsgAzWK7jDjVwI6QR7UF9TvbdpNPqPrvPTlPfvow9OYFsIXlK5+HpugEb6Liztf75xSCZrmWLSLBhZuITeOqsmhRdcd+WwN48654DHxp17FxIdldFhS3xS3Ic3jVDTgHYjPyzPKMYTOFaVLH1amYGppgadYc3N5BKELtn40cKnljL2c71WUGnjNDBWYYweDD5zrDNO85ziBYiZtj/3O4nm36q86dvpgvspWsuNtC+DoSutCueW9IlMWSGIuqYJXrR4NVFcP+zOtjnxqBgUhowhQZgjNVg8+7SfnWED3LFgf4CkYJ69kwgTlH2Su9beEcaFlr1YE+UldIvdJySwWmkOuynz22kYfwwNNAoCeRWpyHO4NQ5TrxoE2Wz1pVI1o3xomopFGJls9AQg== X-Forefront-Antispam-Report: CIP:192.88.168.50; CTRY:US; IPV:NLI; EFV:NLI; SFV:NSPM; SFS:(10019020)(6009001)(2980300002)(1110001)(1109001)(339900001)(199003)(189002)(5001860100001)(11100500001)(2351001)(36756003)(87936001)(97736004)(104016003)(106466001)(64706001)(105606002)(5003940100001)(81156007)(189998001)(48376002)(47776003)(5001830100001)(50986999)(85426001)(76176999)(4001540100001)(229853001)(86362001)(68736005)(19580405001)(5007970100001)(77156002)(77096005)(118296001)(19580395003)(6806004)(62966003)(33646002)(92566002)(46102003)(5001960100002)(2950100001)(110136002)(107886002)(50466002)(50226001)(4001430100001); DIR:OUT; SFP:1102; SCL:1; SRVR:CY1PR0301MB1257; H:tx30smr01.am.freescale.net; FPR:; SPF:Fail; PTR:InfoDomainNonexistent; A:1; MX:1; LANG:en; MIME-Version: 1.0 X-Microsoft-Exchange-Diagnostics: 1; CY1PR0301MB1257; 2:qcRYEPclVveRDZN7ce6EUivJuwESdwtaFqW7E0uUK1rCudC6Gmzf2jlD79RfujkXq2l10/IRn0cdJEcxJo2OtwKA4yfnA0dVfts29MBBsAff/knr0Hf67IqjUMnmy87xtSWsILavbK5EAQ4BLM2jqfkHF+nJzzys21l/C92tRxY=; 3:4VjHKzedMTjE6OEIUd2WEvYZisuIxFdtENsTOk+LwAbB8v8WmJjprAv0+TTtPFgl4t+TmMdghmkqjlqTLhcx+i+4RKgFG83+KtRgyS8MaCutf6KtvYJu+Mor3LoDVVpuroX++Wcq6MmCM/RwT1AwnlPTETUEvVaNYKbdrqo8wOnY+phALFI4FtaHujMPBUE5V/mq7xvxdN1t8//gZtUsrc0BjIrpR7VirkTF3d/8HgU=; 25:Jmtww/A0W3VcO89pXN35kfE2xM/H/5bdiWpfD9dEWkOxzGA5djV4Q8nKSeKxuIQhjAQTlcjY5UhCu29nT2XM3TKLQzQUSLkS4WGgLbP9GhyHFATw05KUCSriNUct205zAxJlBgEHcDRL8CGB7jvHGXVFh3fseyVAb6aH92A3/MJ2xnoPGW+aNLlXQdUQ7N+vQYePIdaCBZ3le57HQPnXL6rZHDC2Nx4VDyC3dY3DaapwxlWwqAe8bpX3omaNZ6LL X-Microsoft-Antispam: UriScan:;BCL:0;PCL:0;RULEID:;SRVR:CY1PR0301MB1257; X-Microsoft-Exchange-Diagnostics: 1; CY1PR0301MB1257; 20:+ZvWXVGXrX5Po9XjHlbKwETUvFjU2UcSsPwwZDJqsLFietAAHpqkoWw3QPSaCUL34KSrcgeYo/i1kJODIt0aO13mGeKQzVm9Qpe9jhBVv4z/VDbzesdFNFGAFhsPRzWxdnieYXjFKfb8wBNYpWXDwmX0WNauUIfDEtwobEln+DGYdeJY48VZD6q0o+J5Ao1Xk1ypFf0jlhpIrG6lZ+WUNpHh8n53kEtwy4G/zT2N3gLrKV8oYhgyco8aJL66fyDlZaIGzyl0CDbLwTrlb74mV4Bc2OLpOfFGYEKmQOnPDVUQXEPQWNEQSh2MoJYBdB5WLv6HbcvmC5UOBcmJlz/WtOwFKzJt50+n+POAGbWb0nc=; 4:WQ/lNoVyAQerDTtjkjKTgJc4exCphlW5Rjq9MrVItcnfkBj3HhUhIYn2q1XGYibGL3ivQMULli/CjhzrODBhsONc4OkqsvZ1YEddEBjrEvvcm10HflCtWV9QYKYuyViUzcS8iNsqCOaKAmwKlbbL3EOlcliq5vNVgjmmqTDzvP+tc6Xw+xc+EDHbKjhtUcEEyiCVe17JgYfux6Ky6na0AnYydfh3zYuhjeI0quXwDNFHnVZK2Pkzu/GUcvUlBSgTOTiULw9ZAhX4RjplamKUCMs5RaqBnD4ddyUUWEVWlgeJgRswOU/7+S4Hk80WGiyzSyZz5jVHhL0vrMhuF9X8CQ== X-Microsoft-Antispam-PRVS: X-Exchange-Antispam-Report-Test: UriScan:; X-Exchange-Antispam-Report-CFA-Test: BCL:0; PCL:0; RULEID:(601004)(8121501046)(5005006)(520078)(3002001); SRVR:CY1PR0301MB1257; BCL:0; PCL:0; RULEID:; SRVR:CY1PR0301MB1257; X-Forefront-PRVS: 0703B549E4 X-Microsoft-Exchange-Diagnostics: =?us-ascii?Q?1; CY1PR0301MB1257; 23:dg5XGIY3BrcIbZNRjBGXGIVUIf7ojs0+aCmO/7R?= =?us-ascii?Q?TyFAHPXZsdZ7Y3QYvUeP1fyrcyQmZtCVkOynrdy+MSlnzG/B1LAJFabDt+El?= =?us-ascii?Q?SWPc8aM5/y12Zp7va4PHKEpHv5eC2lUwR0bSbE9OuTT4OdgubDMxfosH0UZq?= =?us-ascii?Q?J8P82pNIgTB05n0L8aB0HcgJccaapujpLka2HkF7e8gVrQtWdMN9SCkLQ7wE?= =?us-ascii?Q?WZpI79ixoxyiWN4vWM7PaF2I0J2xQfdXm07P1UHAiavdCHS6vQwtwlmW8H2f?= =?us-ascii?Q?gziS11s+rbUyjP0Apu1wNufhKT5+ZJslP23lL5HUN5EFqSM/nkgq+HSxOEUe?= =?us-ascii?Q?EvYR7pYPxZyR72F7WNZ/5GTEC7wdbHuVTcb1MmUqWN2fJ72K8TT1+52OQ8tF?= =?us-ascii?Q?fvc0Pq612P/CROOBEaIx3hD4TmDG0qO1LIZsdATuOEK2DySiK+U0LJiYSccC?= =?us-ascii?Q?y1qpKuaeAWGSAqkg2oqSvVvdVmUCk1kpvgnvHD8YV3jk1G4hzNZmiNDVTMCN?= =?us-ascii?Q?DX5d+wPYMINNGE6Ql9PJzb7a/mE7t0eWtv2s2LonvzUz05WN0g2byXS1xjho?= =?us-ascii?Q?ZBf3AYIFWtkYt6hPpl3BazgU4UhYzIcIt5loBJIs7NmyLZfB9G8L3NULUpKq?= =?us-ascii?Q?9aFEGtbEVio6VosVZSiNErp75LTqF0Wo2ZFV52SD6dmpaS0NQXGsnL1RMvWn?= =?us-ascii?Q?zMXL4ZmZTlPeH1XSYVACIOIKwtzy9JGFAsAr4wn44aINJHytbi4vbhbvSTv2?= =?us-ascii?Q?S1FcAlbsfCh9J492IX1HSZIZv2ZzBXCU22jeDFikA6gsqD8OfhmXNpKFrcgl?= =?us-ascii?Q?xF/ixZvFta/ptD+Mw/UA3mHKn4p+JnSefGLJhuvYUS+hXP+8CyIbxrr3ZApk?= =?us-ascii?Q?/IESuXUtyHAGM6dBGcZ0n2eCxM3xmfgWWh2Z0UZB9jorLecGmTWbKtgW6Muh?= =?us-ascii?Q?lsQfZhRWbEilaCWSy647YdvLqh9m9dcJESIdpdu3+QOl60DmoktjWErVTSaN?= =?us-ascii?Q?UEhIo5KMYrj1+3wko/V/MUOonUY4xSnAPhgqaghbnJoFktL/Z2cioSXNEBHe?= =?us-ascii?Q?wfV6j2ZlxVvIgTN1PKDt/rGZn7b3Bw8bQ5lx+6Rs5DKWVmfcOPZWhcChLzNs?= =?us-ascii?Q?YXnony5qdHbEMBq69RZvXChRRNtkgpPyN2DM+1Ued1TvNujLaGWvKyljtCC+?= =?us-ascii?Q?LySkA0IaMHOdXrXK+RONTNR9RNjmGx3Rg9XQ6s4fmZU1TG2Fcg3WaTDUC2Yy?= =?us-ascii?Q?DD53TInT0DL1CliPO6iaIf2W/I8ETCEnl1JS+4pdYqqcIe4cOh1z2U79oKSz?= =?us-ascii?Q?mAA=3D=3D?= X-Microsoft-Exchange-Diagnostics: 1; CY1PR0301MB1257; 5:hv6plRY52GB2+1MziKMa/f5IpUyLtbxPfRK0hIpgJ9pJ1eSj4Xz+3+bMMwwsaahaYaPoKZQO69Ycz1bLzdJ+hIGdMfTM1n0Lu5Vl3Uos0cZsR+NnXFhWPIgQVywzV6gW7iz2xbl6ItIun9cRNKzj9g==; 24:LrsFBZyCARiEuRXRYO+olDE7Cfz9SEX1WCxSdzU+E2ootXjHQETgpzcJ5Y+57MBVpmUFe1AEEPZ+B9ywPYsG7SbD3Zxsa7O7CtRYgUssOR0=; 20:8XHTBXns5D/eUAbAf7IRZmoB1rOIq41hyqjBC8pJDxdFYCs53SH4pddMEzj/3spk/pgnlfrQKA+4/YGhhpEtOw== X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Sep 2015 03:07:49.8268 (UTC) X-MS-Exchange-CrossTenant-Id: 710a03f5-10f6-4d38-9ff4-a80b81da590d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=710a03f5-10f6-4d38-9ff4-a80b81da590d; Ip=[192.88.168.50]; Helo=[tx30smr01.am.freescale.net] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY1PR0301MB1257 X-Microsoft-Exchange-Diagnostics: 1; CY1PR0301MB0649; 2:XSmg1LvOIR+4RGZxcv85e2x8UKUiGH/TnOSKzz7cCtwH7o8JiDY4tn3digHPLNEZ0JQa58mf3ROUc9L5naOx/QlDkUMrcbbI/TkRxwrIzPk5QScBR64TDz1BAbDaA29sEGN41Ilb5hbur6tBgZ2xpst3LXPOSIby4dRWDfM7RZw=; 23:2zwfN0Nc9nuD+9+i7dkkBmm8JjFKdcuSzujgJKsa0i53zRIbJsUO0VrbOLcbLjlm5fF9vYVCojPH6ar57pueKGcpcZQ531ypwHm9pHX7I6Ndl6ZC2diwMwIyltt75ZDOnMBfsXjdAfaMcewQ5dGezSDCHjO/WwrFqEqUnUs6lqfUKtoiUABZYjpFL0ag84lE X-OriginatorOrg: freescale.com Cc: alsa-devel@alsa-project.org, broonie@kernel.org, timur@tabi.org, Zidan Wang Subject: [alsa-devel] [PATCH 4/4] ASoC: fsl_esai: Add driver suspend and resume to support MEGA Fast 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 For i.MX6 SoloX, there is a mode of the SoC to shutdown all power source of modules during system suspend and resume procedure. Thus, ESAI needs to save all the values of registers before the system suspend and restore them after the system resume. Signed-off-by: Zidan Wang Acked-by: Nicolin Chen --- sound/soc/fsl/fsl_esai.c | 88 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 88 insertions(+) diff --git a/sound/soc/fsl/fsl_esai.c b/sound/soc/fsl/fsl_esai.c index 837979e..aab675a 100644 --- a/sound/soc/fsl/fsl_esai.c +++ b/sound/soc/fsl/fsl_esai.c @@ -652,6 +652,24 @@ static const struct snd_soc_component_driver fsl_esai_component = { .name = "fsl-esai", }; +static const struct reg_default fsl_esai_reg_defaults[] = { + {0x8, 0x00000000}, + {0x10, 0x00000000}, + {0x18, 0x00000000}, + {0x98, 0x00000000}, + {0xd0, 0x00000000}, + {0xd4, 0x00000000}, + {0xd8, 0x00000000}, + {0xdc, 0x00000000}, + {0xe0, 0x00000000}, + {0xe4, 0x0000ffff}, + {0xe8, 0x0000ffff}, + {0xec, 0x0000ffff}, + {0xf0, 0x0000ffff}, + {0xf8, 0x00000000}, + {0xfc, 0x00000000}, +}; + static bool fsl_esai_readable_reg(struct device *dev, unsigned int reg) { switch (reg) { @@ -684,6 +702,31 @@ static bool fsl_esai_readable_reg(struct device *dev, unsigned int reg) } } +static bool fsl_esai_volatile_reg(struct device *dev, unsigned int reg) +{ + switch (reg) { + case REG_ESAI_ETDR: + case REG_ESAI_ERDR: + case REG_ESAI_ESR: + case REG_ESAI_TFSR: + case REG_ESAI_RFSR: + case REG_ESAI_TX0: + case REG_ESAI_TX1: + case REG_ESAI_TX2: + case REG_ESAI_TX3: + case REG_ESAI_TX4: + case REG_ESAI_TX5: + case REG_ESAI_RX0: + case REG_ESAI_RX1: + case REG_ESAI_RX2: + case REG_ESAI_RX3: + case REG_ESAI_SAISR: + return true; + default: + return false; + } +} + static bool fsl_esai_writeable_reg(struct device *dev, unsigned int reg) { switch (reg) { @@ -721,8 +764,12 @@ static const struct regmap_config fsl_esai_regmap_config = { .val_bits = 32, .max_register = REG_ESAI_PCRC, + .reg_defaults = fsl_esai_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(fsl_esai_reg_defaults), .readable_reg = fsl_esai_readable_reg, + .volatile_reg = fsl_esai_volatile_reg, .writeable_reg = fsl_esai_writeable_reg, + .cache_type = REGCACHE_RBTREE, }; static int fsl_esai_probe(struct platform_device *pdev) @@ -853,10 +900,51 @@ static const struct of_device_id fsl_esai_dt_ids[] = { }; MODULE_DEVICE_TABLE(of, fsl_esai_dt_ids); +#if CONFIG_PM_SLEEP +static int fsl_esai_suspend(struct device *dev) +{ + struct fsl_esai *esai = dev_get_drvdata(dev); + + regcache_cache_only(esai->regmap, true); + regcache_mark_dirty(esai->regmap); + + return 0; +} + +static int fsl_esai_resume(struct device *dev) +{ + struct fsl_esai *esai = dev_get_drvdata(dev); + int ret; + + regcache_cache_only(esai->regmap, false); + + /* FIFO reset for safety */ + regmap_update_bits(esai->regmap, REG_ESAI_TFCR, + ESAI_xFCR_xFR, ESAI_xFCR_xFR); + regmap_update_bits(esai->regmap, REG_ESAI_RFCR, + ESAI_xFCR_xFR, ESAI_xFCR_xFR); + + ret = regcache_sync(esai->regmap); + if (ret) + return ret; + + /* FIFO reset done */ + regmap_update_bits(esai->regmap, REG_ESAI_TFCR, ESAI_xFCR_xFR, 0); + regmap_update_bits(esai->regmap, REG_ESAI_RFCR, ESAI_xFCR_xFR, 0); + + return 0; +} +#endif /* CONFIG_PM_SLEEP */ + +static const struct dev_pm_ops fsl_esai_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(fsl_esai_suspend, fsl_esai_resume) +}; + static struct platform_driver fsl_esai_driver = { .probe = fsl_esai_probe, .driver = { .name = "fsl-esai-dai", + .pm = &fsl_esai_pm_ops, .of_match_table = fsl_esai_dt_ids, }, };