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Thu, 21 Jul 2022 01:12:21 -0500 From: syed sabakareem To: , Subject: [PATCH 3/5] ASoC: amd: add RPL Platform init/de-init functions Date: Thu, 21 Jul 2022 11:40:00 +0530 Message-ID: <20220721061035.91139-3-Syed.SabaKareem@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220721061035.91139-1-Syed.SabaKareem@amd.com> References: <20220721061035.91139-1-Syed.SabaKareem@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 3bb87649-a779-4949-2528-08da6ae004fc X-MS-TrafficTypeDiagnostic: BN6PR12MB1538:EE_ X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17; CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:SATLEXMB04.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230016)(4636009)(396003)(136003)(39860400002)(376002)(346002)(40470700004)(46966006)(36840700001)(41300700001)(6666004)(5660300002)(7696005)(26005)(8936002)(81166007)(356005)(82740400003)(47076005)(426003)(186003)(336012)(478600001)(70586007)(8676002)(4326008)(1076003)(316002)(70206006)(36860700001)(110136005)(54906003)(40460700003)(2906002)(86362001)(2616005)(36756003)(40480700001)(82310400005)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Jul 2022 06:12:41.4573 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 3bb87649-a779-4949-2528-08da6ae004fc X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT023.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR12MB1538 X-Mailman-Approved-At: Thu, 21 Jul 2022 17:58:02 +0200 Cc: Sunil-kumar.Dommati@amd.com, open list , Basavaraj.Hiregoudar@amd.com, Takashi Iwai , Liam Girdwood , Syed Saba Kareem , Vijendar Mukunda , Alexander.Deucher@amd.com X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 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" From: Syed Saba Kareem Add RPL Platform ACP init/de-init functions. Signed-off-by: Syed Saba Kareem Reviewed-by: Vijendar Mukunda --- sound/soc/amd/rpl/rpl-pci-acp6x.c | 92 +++++++++++++++++++++++++++++++ 1 file changed, 92 insertions(+) diff --git a/sound/soc/amd/rpl/rpl-pci-acp6x.c b/sound/soc/amd/rpl/rpl-pci-acp6x.c index 7a82a978cf24..71ae90a00f36 100644 --- a/sound/soc/amd/rpl/rpl-pci-acp6x.c +++ b/sound/soc/amd/rpl/rpl-pci-acp6x.c @@ -17,6 +17,88 @@ struct rpl_dev_data { void __iomem *acp6x_base; }; +static int rpl_power_on(void __iomem *acp_base) +{ + u32 val; + int timeout; + + val = rpl_acp_readl(acp_base + ACP_PGFSM_STATUS); + + if (!val) + return val; + + if ((val & ACP_PGFSM_STATUS_MASK) != ACP_POWER_ON_IN_PROGRESS) + rpl_acp_writel(ACP_PGFSM_CNTL_POWER_ON_MASK, acp_base + ACP_PGFSM_CONTROL); + timeout = 0; + while (++timeout < 500) { + val = rpl_acp_readl(acp_base + ACP_PGFSM_STATUS); + if (!val) + return 0; + udelay(1); + } + return -ETIMEDOUT; +} + +static int rpl_reset(void __iomem *acp_base) +{ + u32 val; + int timeout; + + rpl_acp_writel(1, acp_base + ACP_SOFT_RESET); + timeout = 0; + while (++timeout < 500) { + val = rpl_acp_readl(acp_base + ACP_SOFT_RESET); + if (val & ACP_SOFT_RESET_SOFTRESET_AUDDONE_MASK) + break; + cpu_relax(); + } + rpl_acp_writel(0, acp_base + ACP_SOFT_RESET); + timeout = 0; + while (++timeout < 500) { + val = rpl_acp_readl(acp_base + ACP_SOFT_RESET); + if (!val) + return 0; + cpu_relax(); + } + return -ETIMEDOUT; +} + +static int rpl_init(void __iomem *acp_base) +{ + int ret; + + /* power on */ + ret = rpl_power_on(acp_base); + if (ret) { + pr_err("ACP power on failed\n"); + return ret; + } + rpl_acp_writel(0x01, acp_base + ACP_CONTROL); + /* Reset */ + ret = rpl_reset(acp_base); + if (ret) { + pr_err("ACP reset failed\n"); + return ret; + } + rpl_acp_writel(0x03, acp_base + ACP_CLKMUX_SEL); + return 0; +} + +static int rpl_deinit(void __iomem *acp_base) +{ + int ret; + + /* Reset */ + ret = rpl_reset(acp_base); + if (ret) { + pr_err("ACP reset failed\n"); + return ret; + } + rpl_acp_writel(0x00, acp_base + ACP_CLKMUX_SEL); + rpl_acp_writel(0x00, acp_base + ACP_CONTROL); + return 0; +} + static int snd_rpl_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) { @@ -59,6 +141,9 @@ static int snd_rpl_probe(struct pci_dev *pci, } pci_set_master(pci); pci_set_drvdata(pci, adata); + ret = rpl_init(adata->acp6x_base); + if (ret) + goto release_regions; return 0; release_regions: pci_release_regions(pci); @@ -70,6 +155,13 @@ static int snd_rpl_probe(struct pci_dev *pci, static void snd_rpl_remove(struct pci_dev *pci) { + struct rpl_dev_data *adata; + int ret; + + adata = pci_get_drvdata(pci); + ret = rpl_deinit(adata->acp6x_base); + if (ret) + dev_err(&pci->dev, "ACP de-init failed\n"); pci_release_regions(pci); pci_disable_device(pci); }