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Wed, 25 Dec 2024 01:24:16 -0600 From: Vijendar Mukunda To: CC: , , , , , , , , , , "Vijendar Mukunda" Subject: [PATCH 1/5] soundwire: amd: change the soundwire wake enable/disable sequence Date: Wed, 25 Dec 2024 12:53:56 +0530 Message-ID: <20241225072400.912445-2-Vijendar.Mukunda@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241225072400.912445-1-Vijendar.Mukunda@amd.com> References: <20241225072400.912445-1-Vijendar.Mukunda@amd.com> MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MWH0EPF000A6733:EE_|IA1PR12MB6236:EE_ X-MS-Office365-Filtering-Correlation-Id: 4106f380-dd2c-4a1e-ae22-08dd24b5260d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|376014|1800799024|36860700013|82310400026; X-Microsoft-Antispam-Message-Info: l+khqjruzU965Ev66kkuGdo0iCwtdEGxCf+MNjRP8ZLujXNv0Yw3gaTmZif0K+HK4DUv1eQw1SaRmawAdAFqHqLzKyWGgzC+z0vsit+039dzy7B19dV1vZ/UjdtZXZ6n2Yhrco2rNgIPXQpGZOUu63cGbVDjGubPPgREWkq4G4XLrx0zqame8hXJIoozup87dAi8Vf0PN0hsaQ+fgBr5aaU/jGMKeFazdixw1jkmon8A1UW9wyQwT6cKLm5kQbackQcFO7MDevuVxF8QUP69NwYN8snHXKizFhmVri8tARaDTGf5wXsDADEaDZl/+JmtXhTNvPpu4sxCL/TDsluWaH7gpE/36/lWXD7FfZUB0evkLbtllz1e4SdaMr7rS3qVFkQx8DMBFZ5da/jbgHKwkYet7DWObbE/KEhwYNTkwjYk8yGjjbhBz/rW7N1T9SoqvhBnaOIsDLr6TSSg61fgUTwSFwsucGmXgoIs01BcOir1hPHKzV9Risw7h1yGaXsaFKyxvpzn22TQXUYD0vXhOzJa5RTxteM1iZzMN+wHA2586YE/FDLr+uq3P9j4Lxrq06rgC4Lua61XfnThLaxjAi2axryEx0DFaSb2mpPWn/ti+kodTTaC701WXoWFTvmsyVWH4rBylWDMYr5d1M38zBDRQTrT67UtxZwTOGcgsdDrLeU6MCYCUik4Cz/bNS+SzZhVMAz0JWOQzrwP3BDRoyVMmCFVozHNTi6fNBY/JpnMPzfVQm7Cnn8CesvA1RM8x9J+NLopUOoqDcF7zJL7zvq07UIQmcDujuM2hK/OimBc1/HgvcU22ptjjhChQtmYyKzv9Uw+pp46n6lrTsyLCTXZv64JZYlWCM/JejRNaWRiq8W0/2Prec52xSHHQkjAlOoqs++keQQXIU+4s16ZErB+CZoxgH4Vw6hZnxCB7bGl9pE+OKbVkgrcDhLh4HdaHvcvLhM2s/zUa3bzUHwGRZmJre3fPOA68KT9X+Uij6tEpLQglmlwmw0OuwGZaBHJ0Z1t+W0sdGAyt/xmtOaKLpRJZlB2q4U3L/VTNp3vS9icPPM9KB/jZnHFOnvOaVFaK/wfCz6rk1JCaqvwy4hQPahscDsvp/4ux54kmQ3aaHKcGrjHJuhJFuvzEfU8bjAJ+dY1+KB9n+2nr9M3BBsF4V2YVW9sSnR9Zz0tD/FyAU3wq3C3Sr4GMumgJPdk5VBgc6ZQxs0uBGZhnNAWgtaLB+Ci7DjqOt+DfQEx4In8MvjccC03b0Re30ZpIHnADsOwTv3lHv1B5BipZ52icf1/cTug1tkD7CiN3tSeozR2WIKF+RMRm5A1Sm6x8iE4SVzE1LgkKGCIZ+4YEDjwcWd8tCZHa6HFSOIakQGqymgBQgkRM+zbhCnsl1Ub984HKglFHlDp0JfOZNRqvfuDDfKQAWQXWYLTtK3XOCQ8q3ycCojMCg8/g0X1OiXi/spLsa4aF1CErAH4KlhMSgqeX4WNwioQqxpJYrSL49ChqAu++qo= X-Forefront-Antispam-Report: CIP:165.204.84.17; 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no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.9 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: During runtime suspend scenario, SoundWire wake should be enabled and during system level suspend scenario SoundWire wake should be disabled. Implement the SoundWire wake enable/disable sequence as per design flow for SoundWire poweroff mode. Signed-off-by: Vijendar Mukunda --- drivers/soundwire/amd_manager.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/soundwire/amd_manager.c b/drivers/soundwire/amd_manager.c index 71b3cf2df89d..187006e68ad6 100644 --- a/drivers/soundwire/amd_manager.c +++ b/drivers/soundwire/amd_manager.c @@ -1139,6 +1139,7 @@ static int __maybe_unused amd_suspend(struct device *dev) amd_sdw_wake_enable(amd_manager, false); return amd_sdw_clock_stop(amd_manager); } else if (amd_manager->power_mode_mask & AMD_SDW_POWER_OFF_MODE) { + amd_sdw_wake_enable(amd_manager, false); /* * As per hardware programming sequence on AMD platforms, * clock stop should be invoked first before powering-off @@ -1166,6 +1167,7 @@ static int __maybe_unused amd_suspend_runtime(struct device *dev) amd_sdw_wake_enable(amd_manager, true); return amd_sdw_clock_stop(amd_manager); } else if (amd_manager->power_mode_mask & AMD_SDW_POWER_OFF_MODE) { + amd_sdw_wake_enable(amd_manager, true); ret = amd_sdw_clock_stop(amd_manager); 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no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.9 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: Add debug log in amd_sdw_process_wake_event() function. Signed-off-by: Vijendar Mukunda --- drivers/soundwire/amd_manager.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/soundwire/amd_manager.c b/drivers/soundwire/amd_manager.c index 187006e68ad6..60be5805715e 100644 --- a/drivers/soundwire/amd_manager.c +++ b/drivers/soundwire/amd_manager.c @@ -849,6 +849,7 @@ static void amd_sdw_update_slave_status(u32 status_change_0to7, u32 status_chang static void amd_sdw_process_wake_event(struct amd_sdw_manager *amd_manager) { + dev_dbg(amd_manager->dev, "SoundWire Wake event reported\n"); pm_request_resume(amd_manager->dev); writel(0x00, amd_manager->acp_mmio + ACP_SW_WAKE_EN(amd_manager->instance)); writel(0x00, amd_manager->mmio + ACP_SW_STATE_CHANGE_STATUS_8TO11); From patchwork Wed Dec 25 07:23:58 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vijendar Mukunda X-Patchwork-Id: 853477 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 48F8DE7718B for ; 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no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.9 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: Add SoundWire support for ACP7.0 and ACP7.1 platforms. Signed-off-by: Vijendar Mukunda --- drivers/soundwire/amd_manager.c | 23 +++++++++++++++++++++++ drivers/soundwire/amd_manager.h | 18 ++++++++++++++++++ include/linux/soundwire/sdw_amd.h | 2 ++ 3 files changed, 43 insertions(+) diff --git a/drivers/soundwire/amd_manager.c b/drivers/soundwire/amd_manager.c index 60be5805715e..9eb8d345b527 100644 --- a/drivers/soundwire/amd_manager.c +++ b/drivers/soundwire/amd_manager.c @@ -446,6 +446,10 @@ static int amd_sdw_port_params(struct sdw_bus *bus, struct sdw_port_params *p_pa return -EINVAL; } break; + case ACP70_PCI_REV_ID: + case ACP71_PCI_REV_ID: + frame_fmt_reg = acp70_sdw_dp_reg[p_params->num].frame_fmt_reg; + break; default: return -EINVAL; } @@ -494,6 +498,14 @@ static int amd_sdw_transport_params(struct sdw_bus *bus, return -EINVAL; } break; + case ACP70_PCI_REV_ID: + case ACP71_PCI_REV_ID: + frame_fmt_reg = acp70_sdw_dp_reg[params->port_num].frame_fmt_reg; + sample_int_reg = acp70_sdw_dp_reg[params->port_num].sample_int_reg; + hctrl_dp0_reg = acp70_sdw_dp_reg[params->port_num].hctrl_dp0_reg; + offset_reg = acp70_sdw_dp_reg[params->port_num].offset_reg; + lane_ctrl_ch_en_reg = acp70_sdw_dp_reg[params->port_num].lane_ctrl_ch_en_reg; + break; default: return -EINVAL; } @@ -549,6 +561,10 @@ static int amd_sdw_port_enable(struct sdw_bus *bus, return -EINVAL; } break; + case ACP70_PCI_REV_ID: + case ACP71_PCI_REV_ID: + lane_ctrl_ch_en_reg = acp70_sdw_dp_reg[enable_ch->port_num].lane_ctrl_ch_en_reg; + break; default: return -EINVAL; } @@ -895,6 +911,7 @@ int amd_sdw_manager_start(struct amd_sdw_manager *amd_manager) ret = amd_enable_sdw_manager(amd_manager); if (ret) return ret; + amd_sdw_set_frameshape(amd_manager); } /* Enable runtime PM */ @@ -966,6 +983,11 @@ static int amd_sdw_manager_probe(struct platform_device *pdev) return -EINVAL; } break; + case ACP70_PCI_REV_ID: + case ACP71_PCI_REV_ID: + amd_manager->num_dout_ports = AMD_ACP70_SDW_MAX_TX_PORTS; + amd_manager->num_din_ports = AMD_ACP70_SDW_MAX_RX_PORTS; + break; default: return -EINVAL; } @@ -1172,6 +1194,7 @@ static int __maybe_unused amd_suspend_runtime(struct device *dev) ret = amd_sdw_clock_stop(amd_manager); if (ret) return ret; + return amd_deinit_sdw_manager(amd_manager); } return 0; diff --git a/drivers/soundwire/amd_manager.h b/drivers/soundwire/amd_manager.h index cc2170e4521e..30244a31c21c 100644 --- a/drivers/soundwire/amd_manager.h +++ b/drivers/soundwire/amd_manager.h @@ -159,8 +159,11 @@ #define AMD_ACP63_SDW0_MAX_RX_PORTS 3 #define AMD_ACP63_SDW1_MAX_TX_PORTS 1 #define AMD_ACP63_SDW1_MAX_RX_PORTS 1 +#define AMD_ACP70_SDW_MAX_TX_PORTS 3 +#define AMD_ACP70_SDW_MAX_RX_PORTS 3 #define AMD_ACP63_SDW0_MAX_DAI 6 #define AMD_ACP63_SDW1_MAX_DAI 2 +#define AMD_ACP70_SDW_MAX_DAI 6 #define AMD_SDW_SLAVE_0_ATTACHED 5 #define AMD_SDW_SSP_COUNTER_VAL 3 @@ -244,6 +247,21 @@ static struct sdw_manager_dp_reg acp63_sdw1_dp_reg[AMD_ACP63_SDW1_MAX_DAI] = { ACP_SW_AUDIO1_RX_OFFSET, ACP_SW_AUDIO1_RX_CHANNEL_ENABLE_DP0} }; +static struct sdw_manager_dp_reg acp70_sdw_dp_reg[AMD_ACP70_SDW_MAX_DAI] = { + {ACP_SW_AUDIO0_TX_FRAME_FORMAT, ACP_SW_AUDIO0_TX_SAMPLEINTERVAL, ACP_SW_AUDIO0_TX_HCTRL_DP0, + ACP_SW_AUDIO0_TX_OFFSET_DP0, ACP_SW_AUDIO0_TX_CHANNEL_ENABLE_DP0}, + {ACP_SW_AUDIO1_TX_FRAME_FORMAT, ACP_SW_AUDIO1_TX_SAMPLEINTERVAL, ACP_SW_AUDIO1_TX_HCTRL, + ACP_SW_AUDIO1_TX_OFFSET, ACP_SW_AUDIO1_TX_CHANNEL_ENABLE_DP0}, + {ACP_SW_AUDIO2_TX_FRAME_FORMAT, ACP_SW_AUDIO2_TX_SAMPLEINTERVAL, ACP_SW_AUDIO2_TX_HCTRL, + ACP_SW_AUDIO2_TX_OFFSET, ACP_SW_AUDIO2_TX_CHANNEL_ENABLE_DP0}, + {ACP_SW_AUDIO0_RX_FRAME_FORMAT, ACP_SW_AUDIO0_RX_SAMPLEINTERVAL, ACP_SW_AUDIO0_RX_HCTRL_DP0, + ACP_SW_AUDIO0_RX_OFFSET_DP0, ACP_SW_AUDIO0_RX_CHANNEL_ENABLE_DP0}, + {ACP_SW_AUDIO1_RX_FRAME_FORMAT, ACP_SW_AUDIO1_RX_SAMPLEINTERVAL, ACP_SW_AUDIO1_RX_HCTRL, + ACP_SW_AUDIO1_RX_OFFSET, ACP_SW_AUDIO1_RX_CHANNEL_ENABLE_DP0}, + {ACP_SW_AUDIO2_RX_FRAME_FORMAT, ACP_SW_AUDIO2_RX_SAMPLEINTERVAL, ACP_SW_AUDIO2_RX_HCTRL, + ACP_SW_AUDIO2_RX_OFFSET, ACP_SW_AUDIO2_RX_CHANNEL_ENABLE_DP0}, +}; + static u32 sdw_manager_reg_mask_array[AMD_SDW_MAX_MANAGER_COUNT] = { AMD_SDW0_EXT_INTR_MASK, AMD_SDW1_EXT_INTR_MASK diff --git a/include/linux/soundwire/sdw_amd.h b/include/linux/soundwire/sdw_amd.h index 799f8578137b..6b839987f14c 100644 --- a/include/linux/soundwire/sdw_amd.h +++ b/include/linux/soundwire/sdw_amd.h @@ -28,6 +28,8 @@ #define ACP_SDW1 1 #define AMD_SDW_MAX_MANAGER_COUNT 2 #define ACP63_PCI_REV_ID 0x63 +#define ACP70_PCI_REV_ID 0x70 +#define ACP71_PCI_REV_ID 0x71 struct acp_sdw_pdata { u16 instance; From patchwork Wed Dec 25 07:23:59 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vijendar Mukunda X-Patchwork-Id: 853704 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8FF31E7718B for ; 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no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.9 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: SoundWire host wake interrupt will be asserted based on below pre-conditions for ACP7.0 & ACP7.1 platforms for SoundWire poweroff mode. - ACP device should be in D0 state. - SoundWire manager instance should be in D3 state. - SoundWire manager device state should be set to D3. Implement code changes to enable/disable SoundWire host wake mask and SoundWire device state for ACP7.0 & ACP7.1 platforms for SoundWire poweroff mode as mentioned below. - Enable SoundWire host wake mask during runtime suspend sequence. - Disable SoundWire host wake mask during resume sequence. - Set the SoundWire device state to D3 during runtime suspend sequence and set the device state to D0 state during resume sequence by programming 'AMD_SDW_DEVICE_STATE' register. Signed-off-by: Vijendar Mukunda --- drivers/soundwire/amd_manager.c | 45 +++++++++++++++++++++++++++++++++ drivers/soundwire/amd_manager.h | 7 +++++ 2 files changed, 52 insertions(+) diff --git a/drivers/soundwire/amd_manager.c b/drivers/soundwire/amd_manager.c index 9eb8d345b527..6f9d9f765a20 100644 --- a/drivers/soundwire/amd_manager.c +++ b/drivers/soundwire/amd_manager.c @@ -143,6 +143,47 @@ static void amd_sdw_wake_enable(struct amd_sdw_manager *amd_manager, bool enable writel(wake_ctrl, amd_manager->mmio + ACP_SW_STATE_CHANGE_STATUS_MASK_8TO11); } +static int amd_sdw_host_wake_enable(struct amd_sdw_manager *amd_manager, bool enable) +{ + u32 intr_cntl1; + u32 sdw_host_wake_irq_mask; + u32 sdw_dev_state_mask; + u32 target_dev_state; + u32 sdw_dev_state; + + if (!amd_manager->wake_en_mask) + return 0; + + switch (amd_manager->instance) { + case ACP_SDW0: + sdw_host_wake_irq_mask = AMD_SDW0_HOST_WAKE_INTR_MASK; + sdw_dev_state_mask = AMD_SDW0_DEVICE_STATE_MASK; + break; + case ACP_SDW1: + sdw_host_wake_irq_mask = AMD_SDW1_HOST_WAKE_INTR_MASK; + sdw_dev_state_mask = AMD_SDW1_DEVICE_STATE_MASK; + break; + default: + return -EINVAL; + } + + intr_cntl1 = readl(amd_manager->acp_mmio + ACP_EXTERNAL_INTR_CNTL(ACP_SDW1)); + if (enable) { + intr_cntl1 |= sdw_host_wake_irq_mask; + target_dev_state = AMD_SDW_DEVICE_STATE_D3; + } else { + intr_cntl1 &= ~sdw_host_wake_irq_mask; + target_dev_state = AMD_SDW_DEVICE_STATE_D0; + } + writel(intr_cntl1, amd_manager->acp_mmio + ACP_EXTERNAL_INTR_CNTL(ACP_SDW1)); + sdw_dev_state = readl(amd_manager->acp_mmio + AMD_SDW_DEVICE_STATE); + amd_updatel(amd_manager->acp_mmio, AMD_SDW_DEVICE_STATE, sdw_dev_state_mask, + target_dev_state); + sdw_dev_state = readl(amd_manager->acp_mmio + AMD_SDW_DEVICE_STATE); + dev_dbg(amd_manager->dev, "AMD_SDW_DEVICE_STATE:0x%x\n", sdw_dev_state); + return 0; +} + static void amd_sdw_ctl_word_prep(u32 *lower_word, u32 *upper_word, struct sdw_msg *msg, int cmd_offset) { @@ -1191,6 +1232,8 @@ static int __maybe_unused amd_suspend_runtime(struct device *dev) return amd_sdw_clock_stop(amd_manager); } else if (amd_manager->power_mode_mask & AMD_SDW_POWER_OFF_MODE) { amd_sdw_wake_enable(amd_manager, true); + if (amd_manager->acp_rev >= ACP70_PCI_REV_ID) + amd_sdw_host_wake_enable(amd_manager, true); ret = amd_sdw_clock_stop(amd_manager); if (ret) return ret; @@ -1217,6 +1260,8 @@ static int __maybe_unused amd_resume_runtime(struct device *dev) return amd_sdw_clock_stop_exit(amd_manager); } else if (amd_manager->power_mode_mask & AMD_SDW_POWER_OFF_MODE) { writel(0x00, amd_manager->acp_mmio + ACP_SW_WAKE_EN(amd_manager->instance)); + if (amd_manager->acp_rev >= ACP70_PCI_REV_ID) + amd_sdw_host_wake_enable(amd_manager, false); val = readl(amd_manager->mmio + ACP_SW_CLK_RESUME_CTRL); if (val) { val |= AMD_SDW_CLK_RESUME_REQ; diff --git a/drivers/soundwire/amd_manager.h b/drivers/soundwire/amd_manager.h index 30244a31c21c..18faef593865 100644 --- a/drivers/soundwire/amd_manager.h +++ b/drivers/soundwire/amd_manager.h @@ -194,6 +194,13 @@ #define AMD_SDW_CLK_RESUME_DONE 3 #define AMD_SDW_WAKE_STAT_MASK BIT(16) #define AMD_SDW_WAKE_INTR_MASK BIT(16) +#define AMD_SDW0_HOST_WAKE_INTR_MASK BIT(22) +#define AMD_SDW1_HOST_WAKE_INTR_MASK BIT(23) +#define AMD_SDW_DEVICE_STATE 0x1430 +#define AMD_SDW0_DEVICE_STATE_MASK 3 +#define AMD_SDW1_DEVICE_STATE_MASK 0xc +#define AMD_SDW_DEVICE_STATE_D0 0 +#define AMD_SDW_DEVICE_STATE_D3 3 static u32 amd_sdw_freq_tbl[AMD_SDW_MAX_FREQ_NUM] = { AMD_SDW_DEFAULT_CLK_FREQ, From patchwork Wed Dec 25 07:24:00 2024 Content-Type: text/plain; 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Wed, 25 Dec 2024 01:24:29 -0600 From: Vijendar Mukunda To: CC: , , , , , , , , , , "Vijendar Mukunda" Subject: [PATCH 5/5] soundwire: amd: clear soundwire pme wake status Date: Wed, 25 Dec 2024 12:54:00 +0530 Message-ID: <20241225072400.912445-6-Vijendar.Mukunda@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241225072400.912445-1-Vijendar.Mukunda@amd.com> References: <20241225072400.912445-1-Vijendar.Mukunda@amd.com> MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MWH0EPF000A672F:EE_|SJ1PR12MB6268:EE_ X-MS-Office365-Filtering-Correlation-Id: 908fcd25-cfed-4025-4c23-08dd24b52e3a X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|376014|1800799024|36860700013|82310400026; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17; 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no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.9 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: Clear the SoundWire PME wake status during resume sequence for ACP7.0 & ACP7.1 platforms. Signed-off-by: Vijendar Mukunda --- drivers/soundwire/amd_manager.c | 33 ++++++++++++++++++++++++++++++++- drivers/soundwire/amd_manager.h | 2 ++ 2 files changed, 34 insertions(+), 1 deletion(-) diff --git a/drivers/soundwire/amd_manager.c b/drivers/soundwire/amd_manager.c index 6f9d9f765a20..8b1cb07e8aac 100644 --- a/drivers/soundwire/amd_manager.c +++ b/drivers/soundwire/amd_manager.c @@ -1132,6 +1132,28 @@ static int amd_sdw_clock_stop_exit(struct amd_sdw_manager *amd_manager) return 0; } +static int amd_sdw_clear_pme_wake_status(struct amd_sdw_manager *amd_manager) +{ + u32 pme_stat, val; + + switch (amd_manager->instance) { + case ACP_SDW0: + pme_stat = AMD_SDW0_PME_STAT; + break; + case ACP_SDW1: + pme_stat = AMD_SDW1_PME_STAT; + break; + default: + return -EINVAL; + } + val = readl(amd_manager->acp_mmio + ACP_EXTERNAL_INTR_STAT(ACP_SDW1)); + if (val & pme_stat) + writel(pme_stat, amd_manager->acp_mmio + ACP_EXTERNAL_INTR_STAT(ACP_SDW1)); + val = readl(amd_manager->acp_mmio + ACP_EXTERNAL_INTR_STAT(ACP_SDW1)); + dev_dbg(amd_manager->dev, "ACP_EXTERNAL_INTR_STAT1 : 0x%x\n", val); + return 0; +} + static int amd_resume_child_device(struct device *dev, void *data) { struct sdw_slave *slave = dev_to_sdw_dev(dev); @@ -1257,11 +1279,20 @@ static int __maybe_unused amd_resume_runtime(struct device *dev) } if (amd_manager->power_mode_mask & AMD_SDW_CLK_STOP_MODE) { + if (amd_manager->acp_rev >= ACP70_PCI_REV_ID) { + ret = amd_sdw_clear_pme_wake_status(amd_manager); + if (ret) + return ret; + } return amd_sdw_clock_stop_exit(amd_manager); } else if (amd_manager->power_mode_mask & AMD_SDW_POWER_OFF_MODE) { writel(0x00, amd_manager->acp_mmio + ACP_SW_WAKE_EN(amd_manager->instance)); - if (amd_manager->acp_rev >= ACP70_PCI_REV_ID) + if (amd_manager->acp_rev >= ACP70_PCI_REV_ID) { amd_sdw_host_wake_enable(amd_manager, false); + ret = amd_sdw_clear_pme_wake_status(amd_manager); + if (ret) + return ret; + } val = readl(amd_manager->mmio + ACP_SW_CLK_RESUME_CTRL); if (val) { val |= AMD_SDW_CLK_RESUME_REQ; diff --git a/drivers/soundwire/amd_manager.h b/drivers/soundwire/amd_manager.h index 18faef593865..4f7e236b2e34 100644 --- a/drivers/soundwire/amd_manager.h +++ b/drivers/soundwire/amd_manager.h @@ -201,6 +201,8 @@ #define AMD_SDW1_DEVICE_STATE_MASK 0xc #define AMD_SDW_DEVICE_STATE_D0 0 #define AMD_SDW_DEVICE_STATE_D3 3 +#define AMD_SDW0_PME_STAT BIT(26) +#define AMD_SDW1_PME_STAT BIT(27) static u32 amd_sdw_freq_tbl[AMD_SDW_MAX_FREQ_NUM] = { AMD_SDW_DEFAULT_CLK_FREQ,