linux-kernel - [PATCH AUTOSEL 6.4 15/58] ASoC: SOF: amd: Add pci revision id check

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Message-Id: <20230724011338.2298062-15-sashal@kernel.org>
Date:   Sun, 23 Jul 2023 21:12:43 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Venkata Prasad Potturu <venkataprasad.potturu@....com>,
        Mark Brown <broonie@...nel.org>,
        Sasha Levin <sashal@...nel.org>,
        pierre-louis.bossart@...ux.intel.com, lgirdwood@...il.com,
        peter.ujfalusi@...ux.intel.com, yung-chuan.liao@...ux.intel.com,
        ranjani.sridharan@...ux.intel.com, daniel.baluta@....com,
        perex@...ex.cz, tiwai@...e.com, Vsujithkumar.Reddy@....com,
        Vijendar.Mukunda@....com, AjitKumar.Pandey@....com,
        sound-open-firmware@...a-project.org, alsa-devel@...a-project.org
Subject: [PATCH AUTOSEL 6.4 15/58] ASoC: SOF: amd: Add pci revision id check

From: Venkata Prasad Potturu <venkataprasad.potturu@....com>

[ Upstream commit 1d4a84632b90d88316986b05bcdfe715399a33db ]

Add pci revision id check for renoir and rembrandt platforms.

Signed-off-by: Venkata Prasad Potturu <venkataprasad.potturu@....com>
Link: https://lore.kernel.org/r/20230523072009.2379198-1-venkataprasad.potturu@amd.com
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 sound/soc/sof/amd/acp.h     | 3 +++
 sound/soc/sof/amd/pci-rmb.c | 3 +++
 sound/soc/sof/amd/pci-rn.c  | 3 +++
 3 files changed, 9 insertions(+)

diff --git a/sound/soc/sof/amd/acp.h b/sound/soc/sof/amd/acp.h
index 1c535cc6c3a95..dc624f727aa37 100644
--- a/sound/soc/sof/amd/acp.h
+++ b/sound/soc/sof/amd/acp.h
@@ -55,6 +55,9 @@
 
 #define ACP_DSP_TO_HOST_IRQ			0x04
 
+#define ACP_RN_PCI_ID				0x01
+#define ACP_RMB_PCI_ID				0x6F
+
 #define HOST_BRIDGE_CZN				0x1630
 #define HOST_BRIDGE_RMB				0x14B5
 #define ACP_SHA_STAT				0x8000
diff --git a/sound/soc/sof/amd/pci-rmb.c b/sound/soc/sof/amd/pci-rmb.c
index eaf70ea6e556e..58b3092425f1a 100644
--- a/sound/soc/sof/amd/pci-rmb.c
+++ b/sound/soc/sof/amd/pci-rmb.c
@@ -65,6 +65,9 @@ static int acp_pci_rmb_probe(struct pci_dev *pci, const struct pci_device_id *pc
 {
 	unsigned int flag;
 
+	if (pci->revision != ACP_RMB_PCI_ID)
+		return -ENODEV;
+
 	flag = snd_amd_acp_find_config(pci);
 	if (flag != FLAG_AMD_SOF && flag != FLAG_AMD_SOF_ONLY_DMIC)
 		return -ENODEV;
diff --git a/sound/soc/sof/amd/pci-rn.c b/sound/soc/sof/amd/pci-rn.c
index 4809cb644152b..7409e21ce5aa7 100644
--- a/sound/soc/sof/amd/pci-rn.c
+++ b/sound/soc/sof/amd/pci-rn.c
@@ -65,6 +65,9 @@ static int acp_pci_rn_probe(struct pci_dev *pci, const struct pci_device_id *pci
 {
 	unsigned int flag;
 
+	if (pci->revision != ACP_RN_PCI_ID)
+		return -ENODEV;
+
 	flag = snd_amd_acp_find_config(pci);
 	if (flag != FLAG_AMD_SOF && flag != FLAG_AMD_SOF_ONLY_DMIC)
 		return -ENODEV;
-- 
2.39.2